+++ /dev/null
-/* gamma_dma.c -- DMA support for GMX 2000 -*- linux-c -*-
- * Created: Fri Mar 19 14:30:16 1999 by faith@precisioninsight.com
- *
- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Rickard E. (Rik) Faith <faith@valinux.com>
- *
- */
-
-
-
-#include "gamma.h"
-#include "drmP.h"
-#include "drm.h"
-#include "gamma_drm.h"
-#include "gamma_drv.h"
-
-
-static __inline__ void gamma_dma_dispatch(drm_device_t *dev, unsigned long address,
- unsigned long length)
-{
- drm_gamma_private_t *dev_priv =
- (drm_gamma_private_t *)dev->dev_private;
-
- GAMMA_WRITE(GAMMA_DMAADDRESS, DRM_OS_VTOPHYS((void *)address));
- while (GAMMA_READ(GAMMA_GCOMMANDSTATUS) != 4)
- ;
- GAMMA_WRITE(GAMMA_DMACOUNT, length / 4);
-}
-
-void gamma_dma_quiescent_single(drm_device_t *dev)
-{
- drm_gamma_private_t *dev_priv =
- (drm_gamma_private_t *)dev->dev_private;
-
- while (GAMMA_READ(GAMMA_DMACOUNT))
- ;
- while (GAMMA_READ(GAMMA_INFIFOSPACE) < 3)
- ;
-
- GAMMA_WRITE(GAMMA_FILTERMODE, 1 << 10);
- GAMMA_WRITE(GAMMA_SYNC, 0);
-
- do {
- while (!GAMMA_READ(GAMMA_OUTFIFOWORDS))
- ;
- } while (GAMMA_READ(GAMMA_OUTPUTFIFO) != GAMMA_SYNC_TAG);
-}
-
-void gamma_dma_quiescent_dual(drm_device_t *dev)
-{
- drm_gamma_private_t *dev_priv =
- (drm_gamma_private_t *)dev->dev_private;
-
- while (GAMMA_READ(GAMMA_DMACOUNT))
- ;
- while (GAMMA_READ(GAMMA_INFIFOSPACE) < 3)
- ;
-
- GAMMA_WRITE(GAMMA_BROADCASTMASK, 3);
-
- GAMMA_WRITE(GAMMA_FILTERMODE, 1 << 10);
- GAMMA_WRITE(GAMMA_SYNC, 0);
-
- /* Read from first MX */
- do {
- while (!GAMMA_READ(GAMMA_OUTFIFOWORDS))
- ;
- } while (GAMMA_READ(GAMMA_OUTPUTFIFO) != GAMMA_SYNC_TAG);
-
- /* Read from second MX */
- do {
- while (!GAMMA_READ(GAMMA_OUTFIFOWORDS + 0x10000))
- ;
- } while (GAMMA_READ(GAMMA_OUTPUTFIFO + 0x10000) != GAMMA_SYNC_TAG);
-}
-
-void gamma_dma_ready(drm_device_t *dev)
-{
- drm_gamma_private_t *dev_priv =
- (drm_gamma_private_t *)dev->dev_private;
-
- while (GAMMA_READ(GAMMA_DMACOUNT))
- ;
-}
-
-static __inline__ int gamma_dma_is_ready(drm_device_t *dev)
-{
- drm_gamma_private_t *dev_priv =
- (drm_gamma_private_t *)dev->dev_private;
-
- return !GAMMA_READ(GAMMA_DMACOUNT);
-}
-
-void gamma_dma_service( DRM_OS_IRQ_ARGS)
-{
- drm_device_t *dev = (drm_device_t *)device;
- drm_device_dma_t *dma = dev->dma;
- drm_gamma_private_t *dev_priv =
- (drm_gamma_private_t *)dev->dev_private;
-
- atomic_inc(&dev->counts[6]); /* _DRM_STAT_IRQ */
- GAMMA_WRITE(GAMMA_GDELAYTIMER, 0xc350/2); /* 0x05S */
- GAMMA_WRITE(GAMMA_GCOMMANDINTFLAGS, 8);
- GAMMA_WRITE(GAMMA_GINTFLAGS, 0x2001);
- if (gamma_dma_is_ready(dev)) {
- /* Free previous buffer */
- if (test_and_set_bit(0, &dev->dma_flag)) return;
- if (dma->this_buffer) {
- gamma_free_buffer(dev, dma->this_buffer);
- dma->this_buffer = NULL;
- }
- clear_bit(0, &dev->dma_flag);
-
- }
-}
-
-/* Only called by gamma_dma_schedule. */
-static int gamma_do_dma(drm_device_t *dev, int locked)
-{
- unsigned long address;
- unsigned long length;
- drm_buf_t *buf;
- int retcode = 0;
- drm_device_dma_t *dma = dev->dma;
-#if DRM_DMA_HISTOGRAM
- cycles_t dma_start, dma_stop;
-#endif
-
- if (test_and_set_bit(0, &dev->dma_flag)) DRM_OS_RETURN( EBUSY );
-
-#if DRM_DMA_HISTOGRAM
- dma_start = get_cycles();
-#endif
-
- if (!dma->next_buffer) {
- DRM_ERROR("No next_buffer\n");
- clear_bit(0, &dev->dma_flag);
- DRM_OS_RETURN( EINVAL );
- }
-
- buf = dma->next_buffer;
- address = (unsigned long)buf->address;
- length = buf->used;
-
- DRM_DEBUG("context %d, buffer %d (%ld bytes)\n",
- buf->context, buf->idx, length);
-
- if (buf->list == DRM_LIST_RECLAIM) {
- gamma_clear_next_buffer(dev);
- gamma_free_buffer(dev, buf);
- clear_bit(0, &dev->dma_flag);
- DRM_OS_RETURN( EINVAL );
- }
-
- if (!length) {
- DRM_ERROR("0 length buffer\n");
- gamma_clear_next_buffer(dev);
- gamma_free_buffer(dev, buf);
- clear_bit(0, &dev->dma_flag);
- return 0;
- }
-
- if (!gamma_dma_is_ready(dev)) {
- clear_bit(0, &dev->dma_flag);
- DRM_OS_RETURN( EBUSY );
- }
-
- if (buf->while_locked) {
- if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
- DRM_ERROR("Dispatching buffer %d from pid %d"
- " \"while locked\", but no lock held\n",
- buf->idx, buf->pid);
- }
- } else {
- if (!locked && !gamma_lock_take(&dev->lock.hw_lock->lock,
- DRM_KERNEL_CONTEXT)) {
- clear_bit(0, &dev->dma_flag);
- DRM_OS_RETURN( EBUSY );
- }
- }
-
- if (dev->last_context != buf->context
- && !(dev->queuelist[buf->context]->flags
- & _DRM_CONTEXT_PRESERVED)) {
- /* PRE: dev->last_context != buf->context */
- if (DRM(context_switch)(dev, dev->last_context,
- buf->context)) {
- DRM(clear_next_buffer)(dev);
- DRM(free_buffer)(dev, buf);
- }
- retcode = EBUSY;
- goto cleanup;
-
- /* POST: we will wait for the context
- switch and will dispatch on a later call
- when dev->last_context == buf->context.
- NOTE WE HOLD THE LOCK THROUGHOUT THIS
- TIME! */
- }
-
- gamma_clear_next_buffer(dev);
- buf->pending = 1;
- buf->waiting = 0;
- buf->list = DRM_LIST_PEND;
-#if DRM_DMA_HISTOGRAM
- buf->time_dispatched = get_cycles();
-#endif
-
- gamma_dma_dispatch(dev, address, length);
- gamma_free_buffer(dev, dma->this_buffer);
- dma->this_buffer = buf;
-
- atomic_inc(&dev->counts[7]); /* _DRM_STAT_DMA */
- atomic_add(length, &dev->counts[8]); /* _DRM_STAT_PRIMARY */
-
- if (!buf->while_locked && !dev->context_flag && !locked) {
- if (gamma_lock_free(dev, &dev->lock.hw_lock->lock,
- DRM_KERNEL_CONTEXT)) {
- DRM_ERROR("\n");
- }
- }
-cleanup:
-
- clear_bit(0, &dev->dma_flag);
-
-#if DRM_DMA_HISTOGRAM
- dma_stop = get_cycles();
- atomic_inc(&dev->histo.dma[gamma_histogram_slot(dma_stop - dma_start)]);
-#endif
-
- DRM_OS_RETURN( retcode );
-}
-
-static void gamma_dma_timer_bh(unsigned long dev)
-{
- gamma_dma_schedule((drm_device_t *)dev, 0);
-}
-
-void gamma_dma_immediate_bh(DRM_OS_TASKQUEUE_ARGS)
-{
- gamma_dma_schedule(dev, 0);
-}
-
-int gamma_dma_schedule(drm_device_t *dev, int locked)
-{
- int next;
- drm_queue_t *q;
- drm_buf_t *buf;
- int retcode = 0;
- int processed = 0;
- int missed;
- int expire = 20;
- drm_device_dma_t *dma = dev->dma;
-#if DRM_DMA_HISTOGRAM
- cycles_t schedule_start;
-#endif
-
- if (test_and_set_bit(0, &dev->interrupt_flag)) {
- /* Not reentrant */
- atomic_inc(&dev->counts[10]); /* _DRM_STAT_MISSED */
- DRM_OS_RETURN( EBUSY );
- }
- missed = atomic_read(&dev->counts[10]);
-
-#if DRM_DMA_HISTOGRAM
- schedule_start = get_cycles();
-#endif
-
-again:
- if (dev->context_flag) {
- clear_bit(0, &dev->interrupt_flag);
- DRM_OS_RETURN( EBUSY );
- }
- if (dma->next_buffer) {
- /* Unsent buffer that was previously
- selected, but that couldn't be sent
- because the lock could not be obtained
- or the DMA engine wasn't ready. Try
- again. */
- if (!(retcode = gamma_do_dma(dev, locked))) ++processed;
- } else {
- do {
- next = gamma_select_queue(dev, gamma_dma_timer_bh);
- if (next >= 0) {
- q = dev->queuelist[next];
- buf = gamma_waitlist_get(&q->waitlist);
- dma->next_buffer = buf;
- dma->next_queue = q;
- if (buf && buf->list == DRM_LIST_RECLAIM) {
- gamma_clear_next_buffer(dev);
- gamma_free_buffer(dev, buf);
- }
- }
- } while (next >= 0 && !dma->next_buffer);
- if (dma->next_buffer) {
- if (!(retcode = gamma_do_dma(dev, locked))) {
- ++processed;
- }
- }
- }
-
- if (--expire) {
- if (missed != atomic_read(&dev->counts[10])) {
- if (gamma_dma_is_ready(dev)) goto again;
- }
- if (processed && gamma_dma_is_ready(dev)) {
- processed = 0;
- goto again;
- }
- }
-
- clear_bit(0, &dev->interrupt_flag);
-
-#if DRM_DMA_HISTOGRAM
- atomic_inc(&dev->histo.schedule[gamma_histogram_slot(get_cycles()
- - schedule_start)]);
-#endif
- return retcode;
-}
-
-static int gamma_dma_priority(drm_device_t *dev, drm_dma_t *d)
-{
- unsigned long address;
- unsigned long length;
- int must_free = 0;
- int retcode = 0;
- int i;
- int idx;
- drm_buf_t *buf;
- drm_buf_t *last_buf = NULL;
- drm_device_dma_t *dma = dev->dma;
- static int never;
-
- /* Turn off interrupt handling */
- while (test_and_set_bit(0, &dev->interrupt_flag)) {
- retcode = tsleep(&never, PZERO|PCATCH, "gamp1", 1);
- if (retcode)
- return retcode;
- }
- if (!(d->flags & _DRM_DMA_WHILE_LOCKED)) {
- while (!gamma_lock_take(&dev->lock.hw_lock->lock,
- DRM_KERNEL_CONTEXT)) {
- retcode = tsleep(&never, PZERO|PCATCH, "gamp2", 1);
- if (retcode)
- return retcode;
- }
- ++must_free;
- }
-
- for (i = 0; i < d->send_count; i++) {
- idx = d->send_indices[i];
- if (idx < 0 || idx >= dma->buf_count) {
- DRM_ERROR("Index %d (of %d max)\n",
- d->send_indices[i], dma->buf_count - 1);
- continue;
- }
- buf = dma->buflist[ idx ];
- if (buf->pid != DRM_OS_CURRENTPID) {
- DRM_ERROR("Process %d using buffer owned by %d\n",
- DRM_OS_CURRENTPID, buf->pid);
- retcode = EINVAL;
- goto cleanup;
- }
- if (buf->list != DRM_LIST_NONE) {
- DRM_ERROR("Process %d using %d's buffer on list %d\n",
- DRM_OS_CURRENTPID, buf->pid, buf->list);
- retcode = EINVAL;
- goto cleanup;
- }
- /* This isn't a race condition on
- buf->list, since our concern is the
- buffer reclaim during the time the
- process closes the /dev/drm? handle, so
- it can't also be doing DMA. */
- buf->list = DRM_LIST_PRIO;
- buf->used = d->send_sizes[i];
- buf->context = d->context;
- buf->while_locked = d->flags & _DRM_DMA_WHILE_LOCKED;
- address = (unsigned long)buf->address;
- length = buf->used;
- if (!length) {
- DRM_ERROR("0 length buffer\n");
- }
- if (buf->pending) {
- DRM_ERROR("Sending pending buffer:"
- " buffer %d, offset %d\n",
- d->send_indices[i], i);
- retcode = EINVAL;
- goto cleanup;
- }
- if (buf->waiting) {
- DRM_ERROR("Sending waiting buffer:"
- " buffer %d, offset %d\n",
- d->send_indices[i], i);
- retcode = EINVAL;
- goto cleanup;
- }
- buf->pending = 1;
-
- if (dev->last_context != buf->context
- && !(dev->queuelist[buf->context]->flags
- & _DRM_CONTEXT_PRESERVED)) {
- /* PRE: dev->last_context != buf->context */
- DRM(context_switch)(dev, dev->last_context,
- buf->context);
- /* POST: we will wait for the context
- switch and will dispatch on a later call
- when dev->last_context == buf->context.
- NOTE WE HOLD THE LOCK THROUGHOUT THIS
- TIME! */
- retcode = tsleep(&dev->context_wait, PZERO|PCATCH,
- "gamctx", 0);
- if (retcode)
- goto cleanup;
- if (dev->last_context != buf->context) {
- DRM_ERROR("Context mismatch: %d %d\n",
- dev->last_context,
- buf->context);
- }
- }
-
-#if DRM_DMA_HISTOGRAM
- buf->time_queued = get_cycles();
- buf->time_dispatched = buf->time_queued;
-#endif
- gamma_dma_dispatch(dev, address, length);
- atomic_inc(&dev->counts[9]); /* _DRM_STAT_SPECIAL */
- atomic_add(length, &dev->counts[8]); /* _DRM_STAT_PRIMARY */
-
- if (last_buf) {
- gamma_free_buffer(dev, last_buf);
- }
- last_buf = buf;
- }
-
-
-cleanup:
- if (last_buf) {
- gamma_dma_ready(dev);
- gamma_free_buffer(dev, last_buf);
- }
-
- if (must_free && !dev->context_flag) {
- if (gamma_lock_free(dev, &dev->lock.hw_lock->lock,
- DRM_KERNEL_CONTEXT)) {
- DRM_ERROR("\n");
- }
- }
- clear_bit(0, &dev->interrupt_flag);
- DRM_OS_RETURN( retcode );
-}
-
-static int gamma_dma_send_buffers(drm_device_t *dev, drm_dma_t *d)
-{
- drm_buf_t *last_buf = NULL;
- int retcode = 0;
- drm_device_dma_t *dma = dev->dma;
-
- if (d->flags & _DRM_DMA_BLOCK) {
- last_buf = dma->buflist[d->send_indices[d->send_count-1]];
- atomic_inc(&last_buf->dma_wait);
- }
-
- if ((retcode = gamma_dma_enqueue(dev, d))) {
- if (d->flags & _DRM_DMA_BLOCK)
- atomic_dec(&last_buf->dma_wait);
- return retcode;
- }
-
- gamma_dma_schedule(dev, 0);
-
- if (d->flags & _DRM_DMA_BLOCK) {
- DRM_DEBUG("%d waiting\n", DRM_OS_CURRENTPID);
- for (;;) {
- retcode = tsleep(&last_buf->dma_wait, PZERO|PCATCH,
- "gamdw", 0);
- if (!last_buf->waiting
- && !last_buf->pending)
- break; /* finished */
- if (retcode)
- break;
- }
- atomic_dec(&last_buf->dma_wait);
- DRM_DEBUG("%d running\n", DRM_OS_CURRENTPID);
- if (!retcode
- || (last_buf->list==DRM_LIST_PEND && !last_buf->pending)) {
- if (!last_buf->dma_wait) {
- gamma_free_buffer(dev, last_buf);
- }
- }
- if (retcode) {
- DRM_ERROR("ctx%d w%d p%d c%d i%d l%d %d/%d\n",
- d->context,
- last_buf->waiting,
- last_buf->pending,
- DRM_WAITCOUNT(dev, d->context),
- last_buf->idx,
- last_buf->list,
- last_buf->pid,
- DRM_OS_CURRENTPID);
- }
- }
- DRM_OS_RETURN( retcode );
-}
-
-int gamma_dma( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_device_dma_t *dma = dev->dma;
- int retcode = 0;
- drm_dma_t d;
-
- DRM_OS_KRNFROMUSR(d, (drm_dma_t *) data, sizeof(d));
-
- if (d.send_count < 0 || d.send_count > dma->buf_count) {
- DRM_ERROR("Process %d trying to send %d buffers (of %d max)\n",
- DRM_OS_CURRENTPID, d.send_count, dma->buf_count);
- DRM_OS_RETURN( EINVAL );
- }
-
- if (d.request_count < 0 || d.request_count > dma->buf_count) {
- DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n",
- DRM_OS_CURRENTPID, d.request_count, dma->buf_count);
- DRM_OS_RETURN( EINVAL );
- }
-
- if (d.send_count) {
- if (d.flags & _DRM_DMA_PRIORITY)
- retcode = gamma_dma_priority(dev, &d);
- else
- retcode = gamma_dma_send_buffers(dev, &d);
- }
-
- d.granted_count = 0;
-
- if (!retcode && d.request_count) {
- retcode = gamma_dma_get_buffers(dev, &d);
- }
-
- DRM_DEBUG("%d returning, granted = %d\n",
- DRM_OS_CURRENTPID, d.granted_count);
- DRM_OS_KRNTOUSR((drm_dma_t *) data, d, sizeof(d));
-
- return retcode;
-}
+++ /dev/null
-/* gamma.c -- 3dlabs GMX 2000 driver -*- linux-c -*-
- * Created: Mon Jan 4 08:58:31 1999 by faith@precisioninsight.com
- *
- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Rickard E. (Rik) Faith <faith@valinux.com>
- * Gareth Hughes <gareth@valinux.com>
- */
-
-#include <sys/types.h>
-#include <sys/bus.h>
-#include <pci/pcivar.h>
-#include <opt_drm_linux.h>
-#include "gamma.h"
-#include "drmP.h"
-#include "drm.h"
-#include "gamma_drm.h"
-#include "gamma_drv.h"
-
-#define DRIVER_AUTHOR "VA Linux Systems Inc."
-
-#define DRIVER_NAME "gamma"
-#define DRIVER_DESC "3DLabs gamma"
-#define DRIVER_DATE "20010216"
-
-#define DRIVER_MAJOR 1
-#define DRIVER_MINOR 0
-#define DRIVER_PATCHLEVEL 0
-
-#define DRIVER_IOCTLS \
- [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { gamma_dma, 1, 0 }
-
-/* List acquired from http://www.yourvote.com/pci/pcihdr.h and xc/xc/programs/Xserver/hw/xfree86/common/xf86PciInfo.h
- * Please report to anholt@teleport.com inaccuracies or if a chip you have works that is marked unsupported here.
- */
-drm_chipinfo_t DRM(devicelist)[] = {
- {0x3d3d, 0x0008, 1, "3DLabs Gamma"},
- {0, 0, 0, NULL}
-};
-
-
-#define __HAVE_COUNTERS 5
-#define __HAVE_COUNTER6 _DRM_STAT_IRQ
-#define __HAVE_COUNTER7 _DRM_STAT_DMA
-#define __HAVE_COUNTER8 _DRM_STAT_PRIMARY
-#define __HAVE_COUNTER9 _DRM_STAT_SPECIAL
-#define __HAVE_COUNTER10 _DRM_STAT_MISSED
-
-
-#include "drm_auth.h"
-#include "drm_bufs.h"
-#include "drm_context.h"
-#include "drm_dma.h"
-#include "drm_drawable.h"
-#include "drm_drv.h"
-
-
-#include "drm_fops.h"
-#include "drm_init.h"
-#include "drm_ioctl.h"
-#include "drm_lists.h"
-#include "drm_lock.h"
-#include "drm_memory.h"
-#include "drm_vm.h"
-#include "drm_sysctl.h"
-
-DRIVER_MODULE(gamma, pci, gamma_driver, gamma_devclass, 0, 0);
+++ /dev/null
-/* i810_dma.c -- DMA support for the i810 -*- linux-c -*-
- * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com
- *
- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors: Rickard E. (Rik) Faith <faith@valinux.com>
- * Jeff Hartmann <jhartmann@valinux.com>
- * Keith Whitwell <keithw@valinux.com>
- *
- */
-
-
-#include "i810.h"
-#include "drmP.h"
-#include "drm.h"
-#include "i810_drm.h"
-#include "i810_drv.h"
-
-#define I810_BUF_FREE 2
-#define I810_BUF_CLIENT 1
-#define I810_BUF_HARDWARE 0
-
-#define I810_BUF_UNMAPPED 0
-#define I810_BUF_MAPPED 1
-
-#define RING_LOCALS unsigned int outring, ringmask; volatile char *virt;
-
-#define BEGIN_LP_RING(n) do { \
- if (I810_VERBOSE) \
- DRM_DEBUG("BEGIN_LP_RING(%d) in %s\n", \
- n, __FUNCTION__); \
- if (dev_priv->ring.space < n*4) \
- i810_wait_ring(dev, n*4); \
- dev_priv->ring.space -= n*4; \
- outring = dev_priv->ring.tail; \
- ringmask = dev_priv->ring.tail_mask; \
- virt = dev_priv->ring.virtual_start; \
-} while (0)
-
-#define ADVANCE_LP_RING() do { \
- if (I810_VERBOSE) DRM_DEBUG("ADVANCE_LP_RING\n"); \
- dev_priv->ring.tail = outring; \
- I810_WRITE(LP_RING + RING_TAIL, outring); \
-} while(0)
-
-#define OUT_RING(n) do { \
- if (I810_VERBOSE) DRM_DEBUG(" OUT_RING %x\n", (int)(n)); \
- *(volatile unsigned int *)(virt + outring) = n; \
- outring += 4; \
- outring &= ringmask; \
-} while (0);
-
-static __inline__ void i810_print_status_page(drm_device_t *dev)
-{
- drm_device_dma_t *dma = dev->dma;
- drm_i810_private_t *dev_priv = dev->dev_private;
- u32 *temp = (u32 *)dev_priv->hw_status_page;
- int i;
-
- DRM_DEBUG( "hw_status: Interrupt Status : %x\n", temp[0]);
- DRM_DEBUG( "hw_status: LpRing Head ptr : %x\n", temp[1]);
- DRM_DEBUG( "hw_status: IRing Head ptr : %x\n", temp[2]);
- DRM_DEBUG( "hw_status: Reserved : %x\n", temp[3]);
- DRM_DEBUG( "hw_status: Driver Counter : %d\n", temp[5]);
- for(i = 6; i < dma->buf_count + 6; i++) {
- DRM_DEBUG( "buffer status idx : %d used: %d\n", i - 6, temp[i]);
- }
-}
-
-static drm_buf_t *i810_freelist_get(drm_device_t *dev)
-{
- drm_device_dma_t *dma = dev->dma;
- int i;
- char failed;
-
- /* Linear search might not be the best solution */
-
- for (i = 0; i < dma->buf_count; i++) {
- drm_buf_t *buf = dma->buflist[ i ];
- drm_i810_buf_priv_t *buf_priv = buf->dev_private;
- /* In use is already a pointer */
- _DRM_CAS(buf_priv->in_use, I810_BUF_FREE, I810_BUF_CLIENT,
- failed);
- if (!failed)
- return buf;
- }
- return NULL;
-}
-
-/* This should only be called if the buffer is not sent to the hardware
- * yet, the hardware updates in use for us once its on the ring buffer.
- */
-
-static int i810_freelist_put(drm_device_t *dev, drm_buf_t *buf)
-{
- drm_i810_buf_priv_t *buf_priv = buf->dev_private;
- char failed;
-
- /* In use is already a pointer */
- _DRM_CAS(buf_priv->in_use, I810_BUF_CLIENT, I810_BUF_FREE, failed);
- if(failed) {
- DRM_ERROR("Freeing buffer thats not in use : %d\n", buf->idx);
- DRM_OS_RETURN( EINVAL );
- }
-
- return 0;
-}
-
-#if 0
-int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma)
-{
- DRM_OS_DEVICE;
- drm_i810_private_t *dev_priv;
- drm_buf_t *buf;
- drm_i810_buf_priv_t *buf_priv;
-
- lock_kernel();
- dev_priv = dev->dev_private;
- buf = dev_priv->mmap_buffer;
- buf_priv = buf->dev_private;
-
- vma->vm_flags |= (VM_IO | VM_DONTCOPY);
- vma->vm_file = filp;
-
- buf_priv->currently_mapped = I810_BUF_MAPPED;
- unlock_kernel();
-
- if (remap_page_range(vma->vm_start,
- VM_OFFSET(vma),
- vma->vm_end - vma->vm_start,
- vma->vm_page_prot)) DRM_OS_RETURN(EAGAIN);
- return 0;
-}
-#endif
-
-static int i810_map_buffer(drm_buf_t *buf, struct file *filp)
-{
- DRM_OS_DEVICE;
- drm_i810_buf_priv_t *buf_priv = buf->dev_private;
- drm_i810_private_t *dev_priv = dev->dev_private;
- struct file_operations *old_fops;
- int retcode = 0;
-
- if(buf_priv->currently_mapped == I810_BUF_MAPPED) DRM_OS_RETURN(EINVAL);
-
- if(VM_DONTCOPY != 0) {
-#if LINUX_VERSION_CODE <= 0x020402
- down( ¤t->mm->mmap_sem );
-#else
- down_write( ¤t->mm->mmap_sem );
-#endif
- old_fops = filp->f_op;
- filp->f_op = &i810_buffer_fops;
- dev_priv->mmap_buffer = buf;
- buf_priv->virtual = (void *)do_mmap(filp, 0, buf->total,
- PROT_READ|PROT_WRITE,
- MAP_SHARED,
- buf->bus_address);
- dev_priv->mmap_buffer = NULL;
- filp->f_op = old_fops;
- if ((unsigned long)buf_priv->virtual > -1024UL) {
- /* Real error */
- DRM_DEBUG("mmap error\n");
- retcode = (signed int)buf_priv->virtual;
- buf_priv->virtual = 0;
- }
-#if LINUX_VERSION_CODE <= 0x020402
- up( ¤t->mm->mmap_sem );
-#else
- up_write( ¤t->mm->mmap_sem );
-#endif
- } else {
- buf_priv->virtual = buf_priv->kernel_virtual;
- buf_priv->currently_mapped = I810_BUF_MAPPED;
- }
- return retcode;
-}
-
-static int i810_unmap_buffer(drm_buf_t *buf)
-{
- drm_i810_buf_priv_t *buf_priv = buf->dev_private;
- int retcode = 0;
-
- if(VM_DONTCOPY != 0) {
- if(buf_priv->currently_mapped != I810_BUF_MAPPED)
- DRM_OS_RETURN(EINVAL);
-#if LINUX_VERSION_CODE <= 0x020402
- down( ¤t->mm->mmap_sem );
-#else
- down_write( ¤t->mm->mmap_sem );
-#endif
- retcode = do_munmap(current->mm,
- (unsigned long)buf_priv->virtual,
- (size_t) buf->total);
-#if LINUX_VERSION_CODE <= 0x020402
- up( ¤t->mm->mmap_sem );
-#else
- up_write( ¤t->mm->mmap_sem );
-#endif
- }
- buf_priv->currently_mapped = I810_BUF_UNMAPPED;
- buf_priv->virtual = 0;
-
- return retcode;
-}
-
-static int i810_dma_get_buffer(drm_device_t *dev, drm_i810_dma_t *d,
- struct file *filp)
-{
- drm_file_t *priv = filp->private_data;
- drm_buf_t *buf;
- drm_i810_buf_priv_t *buf_priv;
- int retcode = 0;
-
- buf = i810_freelist_get(dev);
- if (!buf) {
- retcode = -ENOMEM;
- DRM_DEBUG("retcode=%d\n", retcode);
- DRM_OS_RETURN(retcode);
- }
-
- retcode = i810_map_buffer(buf, filp);
- if(retcode) {
- i810_freelist_put(dev, buf);
- DRM_DEBUG("mapbuf failed, retcode %d\n", retcode);
- return retcode;
- }
- buf->pid = priv->pid;
- buf_priv = buf->dev_private;
- d->granted = 1;
- d->request_idx = buf->idx;
- d->request_size = buf->total;
- d->virtual = buf_priv->virtual;
-
- return retcode;
-}
-
-static unsigned long i810_alloc_page(drm_device_t *dev)
-{
- unsigned long address;
-
- address = __get_free_page(GFP_KERNEL);
- if(address == 0UL)
- return 0;
-
- atomic_inc(&virt_to_page(address)->count);
- set_bit(PG_locked, &virt_to_page(address)->flags);
-
- return address;
-}
-
-static void i810_free_page(drm_device_t *dev, unsigned long page)
-{
- if(page == 0UL)
- return;
-
- atomic_dec(&virt_to_page(page)->count);
- clear_bit(PG_locked, &virt_to_page(page)->flags);
- DRM_OS_WAKEUP(&virt_to_page(page)->wait);
- free_page(page);
- return;
-}
-
-static int i810_dma_cleanup(drm_device_t *dev)
-{
- drm_device_dma_t *dma = dev->dma;
-
- if(dev->dev_private) {
- int i;
- drm_i810_private_t *dev_priv =
- (drm_i810_private_t *) dev->dev_private;
-
- if(dev_priv->ring.virtual_start) {
- DRM(ioremapfree)((void *) dev_priv->ring.virtual_start,
- dev_priv->ring.Size);
- }
- if(dev_priv->hw_status_page != 0UL) {
- i810_free_page(dev, dev_priv->hw_status_page);
- /* Need to rewrite hardware status page */
- I810_WRITE(0x02080, 0x1ffff000);
- }
- DRM(free)(dev->dev_private, sizeof(drm_i810_private_t),
- DRM_MEM_DRIVER);
- dev->dev_private = NULL;
-
- for (i = 0; i < dma->buf_count; i++) {
- drm_buf_t *buf = dma->buflist[ i ];
- drm_i810_buf_priv_t *buf_priv = buf->dev_private;
- DRM(ioremapfree)(buf_priv->kernel_virtual, buf->total);
- }
- }
- return 0;
-}
-
-static int i810_wait_ring(drm_device_t *dev, int n)
-{
- drm_i810_private_t *dev_priv = dev->dev_private;
- drm_i810_ring_buffer_t *ring = &(dev_priv->ring);
- int iters = 0;
- unsigned long end;
- unsigned int last_head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR;
-
- end = jiffies + (HZ*3);
- while (ring->space < n) {
- int i;
-
- ring->head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR;
- ring->space = ring->head - (ring->tail+8);
- if (ring->space < 0) ring->space += ring->Size;
-
- if (ring->head != last_head)
- end = jiffies + (HZ*3);
-
- iters++;
- if((signed)(end - jiffies) <= 0) {
- DRM_ERROR("space: %d wanted %d\n", ring->space, n);
- DRM_ERROR("lockup\n");
- goto out_wait_ring;
- }
-
- for (i = 0 ; i < 2000 ; i++) ;
- }
-
-out_wait_ring:
- return iters;
-}
-
-static void i810_kernel_lost_context(drm_device_t *dev)
-{
- drm_i810_private_t *dev_priv = dev->dev_private;
- drm_i810_ring_buffer_t *ring = &(dev_priv->ring);
-
- ring->head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR;
- ring->tail = I810_READ(LP_RING + RING_TAIL);
- ring->space = ring->head - (ring->tail+8);
- if (ring->space < 0) ring->space += ring->Size;
-}
-
-static int i810_freelist_init(drm_device_t *dev, drm_i810_private_t *dev_priv)
-{
- drm_device_dma_t *dma = dev->dma;
- int my_idx = 24;
- u32 *hw_status = (u32 *)(dev_priv->hw_status_page + my_idx);
- int i;
-
- if(dma->buf_count > 1019) {
- /* Not enough space in the status page for the freelist */
- DRM_OS_RETURN(EINVAL);
- }
-
- for (i = 0; i < dma->buf_count; i++) {
- drm_buf_t *buf = dma->buflist[ i ];
- drm_i810_buf_priv_t *buf_priv = buf->dev_private;
-
- buf_priv->in_use = hw_status++;
- buf_priv->my_use_idx = my_idx;
- my_idx += 4;
-
- *buf_priv->in_use = I810_BUF_FREE;
-
- buf_priv->kernel_virtual = DRM(ioremap)(buf->bus_address,
- buf->total);
- }
- return 0;
-}
-
-static int i810_dma_initialize(drm_device_t *dev,
- drm_i810_private_t *dev_priv,
- drm_i810_init_t *init)
-{
- drm_map_list_entry_t *listentry;
-
- memset(dev_priv, 0, sizeof(drm_i810_private_t));
-
- TAILQ_FOREACH(listentry, dev->maplist, link) {
- drm_map_t *map = listentry->map;
- if (map->type == _DRM_SHM &&
- map->flags & _DRM_CONTAINS_LOCK) {
- dev_priv->sarea = map;
- break;
- }
- }
-
- if(!dev_priv->sarea_map) {
- dev->dev_private = (void *)dev_priv;
- i810_dma_cleanup(dev);
- DRM_ERROR("can not find sarea!\n");
- DRM_OS_RETURN(EINVAL);
- }
- DRM_FIND_MAP( dev_priv->mmio_map, init->mmio_offset );
- if(!dev_priv->mmio_map) {
- dev->dev_private = (void *)dev_priv;
- i810_dma_cleanup(dev);
- DRM_ERROR("can not find mmio map!\n");
- DRM_OS_RETURN(EINVAL);
- }
- DRM_FIND_MAP( dev_priv->buffer_map, init->buffers_offset );
- if(!dev_priv->buffer_map) {
- dev->dev_private = (void *)dev_priv;
- i810_dma_cleanup(dev);
- DRM_ERROR("can not find dma buffer map!\n");
- DRM_OS_RETURN(EINVAL);
- }
-
- dev_priv->sarea_priv = (drm_i810_sarea_t *)
- ((u8 *)dev_priv->sarea_map->handle +
- init->sarea_priv_offset);
-
- atomic_set(&dev_priv->flush_done, 0);
- init_waitqueue_head(&dev_priv->flush_queue);
-
- dev_priv->ring.Start = init->ring_start;
- dev_priv->ring.End = init->ring_end;
- dev_priv->ring.Size = init->ring_size;
-
- dev_priv->ring.virtual_start = DRM(ioremap)(dev->agp->base +
- init->ring_start,
- init->ring_size);
-
- if (dev_priv->ring.virtual_start == NULL) {
- dev->dev_private = (void *) dev_priv;
- i810_dma_cleanup(dev);
- DRM_ERROR("can not ioremap virtual address for"
- " ring buffer\n");
- DRM_OS_RETURN(ENOMEM);
- }
-
- dev_priv->ring.tail_mask = dev_priv->ring.Size - 1;
-
- dev_priv->w = init->w;
- dev_priv->h = init->h;
- dev_priv->pitch = init->pitch;
- dev_priv->back_offset = init->back_offset;
- dev_priv->depth_offset = init->depth_offset;
-
- dev_priv->front_di1 = init->front_offset | init->pitch_bits;
- dev_priv->back_di1 = init->back_offset | init->pitch_bits;
- dev_priv->zi1 = init->depth_offset | init->pitch_bits;
-
- /* Program Hardware Status Page */
- dev_priv->hw_status_page = i810_alloc_page(dev);
- if(dev_priv->hw_status_page == 0UL) {
- dev->dev_private = (void *)dev_priv;
- i810_dma_cleanup(dev);
- DRM_ERROR("Can not allocate hardware status page\n");
- DRM_OS_RETURN(ENOMEM);
- }
- memset((void *) dev_priv->hw_status_page, 0, PAGE_SIZE);
- DRM_DEBUG("hw status page @ %lx\n", dev_priv->hw_status_page);
-
- I810_WRITE(0x02080, virt_to_bus((void *)dev_priv->hw_status_page));
- DRM_DEBUG("Enabled hardware status page\n");
-
- /* Now we need to init our freelist */
- if(i810_freelist_init(dev, dev_priv) != 0) {
- dev->dev_private = (void *)dev_priv;
- i810_dma_cleanup(dev);
- DRM_ERROR("Not enough space in the status page for"
- " the freelist\n");
- DRM_OS_RETURN(ENOMEM);
- }
- dev->dev_private = (void *)dev_priv;
-
- return 0;
-}
-
-int i810_dma_init( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_i810_private_t *dev_priv;
- drm_i810_init_t init;
- int retcode = 0;
-
- DRM_OS_KRNFROMUSR( init, (drm_i810_init_t *) data, sizeof(init) );
-
- switch(init.func) {
- case I810_INIT_DMA:
- dev_priv = DRM(alloc)(sizeof(drm_i810_private_t),
- DRM_MEM_DRIVER);
- if(dev_priv == NULL) DRM_OS_RETURN(ENOMEM);
- retcode = i810_dma_initialize(dev, dev_priv, &init);
- break;
- case I810_CLEANUP_DMA:
- retcode = i810_dma_cleanup(dev);
- break;
- default:
- retcode = -EINVAL;
- break;
- }
-
- DRM_OS_RETURN(retcode);
-}
-
-
-
-/* Most efficient way to verify state for the i810 is as it is
- * emitted. Non-conformant state is silently dropped.
- *
- * Use 'volatile' & local var tmp to force the emitted values to be
- * identical to the verified ones.
- */
-static void i810EmitContextVerified( drm_device_t *dev,
- volatile unsigned int *code )
-{
- drm_i810_private_t *dev_priv = dev->dev_private;
- int i, j = 0;
- unsigned int tmp;
- RING_LOCALS;
-
- BEGIN_LP_RING( I810_CTX_SETUP_SIZE );
-
- OUT_RING( GFX_OP_COLOR_FACTOR );
- OUT_RING( code[I810_CTXREG_CF1] );
-
- OUT_RING( GFX_OP_STIPPLE );
- OUT_RING( code[I810_CTXREG_ST1] );
-
- for ( i = 4 ; i < I810_CTX_SETUP_SIZE ; i++ ) {
- tmp = code[i];
-
- if ((tmp & (7<<29)) == (3<<29) &&
- (tmp & (0x1f<<24)) < (0x1d<<24))
- {
- OUT_RING( tmp );
- j++;
- }
- }
-
- if (j & 1)
- OUT_RING( 0 );
-
- ADVANCE_LP_RING();
-}
-
-static void i810EmitTexVerified( drm_device_t *dev,
- volatile unsigned int *code )
-{
- drm_i810_private_t *dev_priv = dev->dev_private;
- int i, j = 0;
- unsigned int tmp;
- RING_LOCALS;
-
- BEGIN_LP_RING( I810_TEX_SETUP_SIZE );
-
- OUT_RING( GFX_OP_MAP_INFO );
- OUT_RING( code[I810_TEXREG_MI1] );
- OUT_RING( code[I810_TEXREG_MI2] );
- OUT_RING( code[I810_TEXREG_MI3] );
-
- for ( i = 4 ; i < I810_TEX_SETUP_SIZE ; i++ ) {
- tmp = code[i];
-
- if ((tmp & (7<<29)) == (3<<29) &&
- (tmp & (0x1f<<24)) < (0x1d<<24))
- {
- OUT_RING( tmp );
- j++;
- }
- }
-
- if (j & 1)
- OUT_RING( 0 );
-
- ADVANCE_LP_RING();
-}
-
-
-/* Need to do some additional checking when setting the dest buffer.
- */
-static void i810EmitDestVerified( drm_device_t *dev,
- volatile unsigned int *code )
-{
- drm_i810_private_t *dev_priv = dev->dev_private;
- unsigned int tmp;
- RING_LOCALS;
-
- BEGIN_LP_RING( I810_DEST_SETUP_SIZE + 2 );
-
- tmp = code[I810_DESTREG_DI1];
- if (tmp == dev_priv->front_di1 || tmp == dev_priv->back_di1) {
- OUT_RING( CMD_OP_DESTBUFFER_INFO );
- OUT_RING( tmp );
- } else
- DRM_DEBUG("bad di1 %x (allow %x or %x)\n",
- tmp, dev_priv->front_di1, dev_priv->back_di1);
-
- /* invarient:
- */
- OUT_RING( CMD_OP_Z_BUFFER_INFO );
- OUT_RING( dev_priv->zi1 );
-
- OUT_RING( GFX_OP_DESTBUFFER_VARS );
- OUT_RING( code[I810_DESTREG_DV1] );
-
- OUT_RING( GFX_OP_DRAWRECT_INFO );
- OUT_RING( code[I810_DESTREG_DR1] );
- OUT_RING( code[I810_DESTREG_DR2] );
- OUT_RING( code[I810_DESTREG_DR3] );
- OUT_RING( code[I810_DESTREG_DR4] );
- OUT_RING( 0 );
-
- ADVANCE_LP_RING();
-}
-
-
-
-static void i810EmitState( drm_device_t *dev )
-{
- drm_i810_private_t *dev_priv = dev->dev_private;
- drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv;
- unsigned int dirty = sarea_priv->dirty;
-
- if (dirty & I810_UPLOAD_BUFFERS) {
- i810EmitDestVerified( dev, sarea_priv->BufferState );
- sarea_priv->dirty &= ~I810_UPLOAD_BUFFERS;
- }
-
- if (dirty & I810_UPLOAD_CTX) {
- i810EmitContextVerified( dev, sarea_priv->ContextState );
- sarea_priv->dirty &= ~I810_UPLOAD_CTX;
- }
-
- if (dirty & I810_UPLOAD_TEX0) {
- i810EmitTexVerified( dev, sarea_priv->TexState[0] );
- sarea_priv->dirty &= ~I810_UPLOAD_TEX0;
- }
-
- if (dirty & I810_UPLOAD_TEX1) {
- i810EmitTexVerified( dev, sarea_priv->TexState[1] );
- sarea_priv->dirty &= ~I810_UPLOAD_TEX1;
- }
-}
-
-
-
-/* need to verify
- */
-static void i810_dma_dispatch_clear( drm_device_t *dev, int flags,
- unsigned int clear_color,
- unsigned int clear_zval )
-{
- drm_i810_private_t *dev_priv = dev->dev_private;
- drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv;
- int nbox = sarea_priv->nbox;
- drm_clip_rect_t *pbox = sarea_priv->boxes;
- int pitch = dev_priv->pitch;
- int cpp = 2;
- int i;
- RING_LOCALS;
-
- i810_kernel_lost_context(dev);
-
- if (nbox > I810_NR_SAREA_CLIPRECTS)
- nbox = I810_NR_SAREA_CLIPRECTS;
-
- for (i = 0 ; i < nbox ; i++, pbox++) {
- unsigned int x = pbox->x1;
- unsigned int y = pbox->y1;
- unsigned int width = (pbox->x2 - x) * cpp;
- unsigned int height = pbox->y2 - y;
- unsigned int start = y * pitch + x * cpp;
-
- if (pbox->x1 > pbox->x2 ||
- pbox->y1 > pbox->y2 ||
- pbox->x2 > dev_priv->w ||
- pbox->y2 > dev_priv->h)
- continue;
-
- if ( flags & I810_FRONT ) {
- DRM_DEBUG("clear front\n");
- BEGIN_LP_RING( 6 );
- OUT_RING( BR00_BITBLT_CLIENT |
- BR00_OP_COLOR_BLT | 0x3 );
- OUT_RING( BR13_SOLID_PATTERN | (0xF0 << 16) | pitch );
- OUT_RING( (height << 16) | width );
- OUT_RING( start );
- OUT_RING( clear_color );
- OUT_RING( 0 );
- ADVANCE_LP_RING();
- }
-
- if ( flags & I810_BACK ) {
- DRM_DEBUG("clear back\n");
- BEGIN_LP_RING( 6 );
- OUT_RING( BR00_BITBLT_CLIENT |
- BR00_OP_COLOR_BLT | 0x3 );
- OUT_RING( BR13_SOLID_PATTERN | (0xF0 << 16) | pitch );
- OUT_RING( (height << 16) | width );
- OUT_RING( dev_priv->back_offset + start );
- OUT_RING( clear_color );
- OUT_RING( 0 );
- ADVANCE_LP_RING();
- }
-
- if ( flags & I810_DEPTH ) {
- DRM_DEBUG("clear depth\n");
- BEGIN_LP_RING( 6 );
- OUT_RING( BR00_BITBLT_CLIENT |
- BR00_OP_COLOR_BLT | 0x3 );
- OUT_RING( BR13_SOLID_PATTERN | (0xF0 << 16) | pitch );
- OUT_RING( (height << 16) | width );
- OUT_RING( dev_priv->depth_offset + start );
- OUT_RING( clear_zval );
- OUT_RING( 0 );
- ADVANCE_LP_RING();
- }
- }
-}
-
-static void i810_dma_dispatch_swap( drm_device_t *dev )
-{
- drm_i810_private_t *dev_priv = dev->dev_private;
- drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv;
- int nbox = sarea_priv->nbox;
- drm_clip_rect_t *pbox = sarea_priv->boxes;
- int pitch = dev_priv->pitch;
- int cpp = 2;
- int ofs = dev_priv->back_offset;
- int i;
- RING_LOCALS;
-
- DRM_DEBUG("swapbuffers\n");
-
- i810_kernel_lost_context(dev);
-
- if (nbox > I810_NR_SAREA_CLIPRECTS)
- nbox = I810_NR_SAREA_CLIPRECTS;
-
- for (i = 0 ; i < nbox; i++, pbox++)
- {
- unsigned int w = pbox->x2 - pbox->x1;
- unsigned int h = pbox->y2 - pbox->y1;
- unsigned int dst = pbox->x1*cpp + pbox->y1*pitch;
- unsigned int start = ofs + dst;
-
- if (pbox->x1 > pbox->x2 ||
- pbox->y1 > pbox->y2 ||
- pbox->x2 > dev_priv->w ||
- pbox->y2 > dev_priv->h)
- continue;
-
- DRM_DEBUG("dispatch swap %d,%d-%d,%d!\n",
- pbox[i].x1, pbox[i].y1,
- pbox[i].x2, pbox[i].y2);
-
- BEGIN_LP_RING( 6 );
- OUT_RING( BR00_BITBLT_CLIENT | BR00_OP_SRC_COPY_BLT | 0x4 );
- OUT_RING( pitch | (0xCC << 16));
- OUT_RING( (h << 16) | (w * cpp));
- OUT_RING( dst );
- OUT_RING( pitch );
- OUT_RING( start );
- ADVANCE_LP_RING();
- }
-}
-
-
-static void i810_dma_dispatch_vertex(drm_device_t *dev,
- drm_buf_t *buf,
- int discard,
- int used)
-{
- drm_i810_private_t *dev_priv = dev->dev_private;
- drm_i810_buf_priv_t *buf_priv = buf->dev_private;
- drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_clip_rect_t *box = sarea_priv->boxes;
- int nbox = sarea_priv->nbox;
- unsigned long address = (unsigned long)buf->bus_address;
- unsigned long start = address - dev->agp->base;
- int i = 0;
- char failed;
- RING_LOCALS;
-
- i810_kernel_lost_context(dev);
-
- if (nbox > I810_NR_SAREA_CLIPRECTS)
- nbox = I810_NR_SAREA_CLIPRECTS;
-
- if (discard) {
- _DRM_CAS(buf_priv->in_use, I810_BUF_CLIENT,
- I810_BUF_HARDWARE, failed);
- if (failed)
- DRM_DEBUG("xxxx 2\n");
- }
-
- if (used > 4*1024)
- used = 0;
-
- if (sarea_priv->dirty)
- i810EmitState( dev );
-
- DRM_DEBUG("dispatch vertex addr 0x%lx, used 0x%x nbox %d\n",
- address, used, nbox);
-
- dev_priv->counter++;
- DRM_DEBUG( "dispatch counter : %ld\n", dev_priv->counter);
- DRM_DEBUG( "i810_dma_dispatch\n");
- DRM_DEBUG( "start : %lx\n", start);
- DRM_DEBUG( "used : %d\n", used);
- DRM_DEBUG( "start + used - 4 : %ld\n", start + used - 4);
-
- if (buf_priv->currently_mapped == I810_BUF_MAPPED) {
- *(u32 *)buf_priv->virtual = (GFX_OP_PRIMITIVE |
- sarea_priv->vertex_prim |
- ((used/4)-2));
-
- if (used & 4) {
- *(u32 *)((u32)buf_priv->virtual + used) = 0;
- used += 4;
- }
-
- i810_unmap_buffer(buf);
- }
-
- if (used) {
- do {
- if (i < nbox) {
- BEGIN_LP_RING(4);
- OUT_RING( GFX_OP_SCISSOR | SC_UPDATE_SCISSOR |
- SC_ENABLE );
- OUT_RING( GFX_OP_SCISSOR_INFO );
- OUT_RING( box[i].x1 | (box[i].y1<<16) );
- OUT_RING( (box[i].x2-1) | ((box[i].y2-1)<<16) );
- ADVANCE_LP_RING();
- }
-
- BEGIN_LP_RING(4);
- OUT_RING( CMD_OP_BATCH_BUFFER );
- OUT_RING( start | BB1_PROTECTED );
- OUT_RING( start + used - 4 );
- OUT_RING( 0 );
- ADVANCE_LP_RING();
-
- } while (++i < nbox);
- }
-
- BEGIN_LP_RING(10);
- OUT_RING( CMD_STORE_DWORD_IDX );
- OUT_RING( 20 );
- OUT_RING( dev_priv->counter );
- OUT_RING( 0 );
-
- if (discard) {
- OUT_RING( CMD_STORE_DWORD_IDX );
- OUT_RING( buf_priv->my_use_idx );
- OUT_RING( I810_BUF_FREE );
- OUT_RING( 0 );
- }
-
- OUT_RING( CMD_REPORT_HEAD );
- OUT_RING( 0 );
- ADVANCE_LP_RING();
-}
-
-
-/* Interrupts are only for flushing */
-void i810_dma_service(int irq, void *device, struct pt_regs *regs)
-{
- drm_device_t *dev = (drm_device_t *)device;
- drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
- u16 temp;
-
- atomic_inc(&dev->counts[_DRM_STAT_IRQ]);
- temp = I810_READ16(I810REG_INT_IDENTITY_R);
- temp = temp & ~(0x6000);
- if(temp != 0) I810_WRITE16(I810REG_INT_IDENTITY_R,
- temp); /* Clear all interrupts */
- else
- return;
-
- queue_task(&dev->tq, &tq_immediate);
- mark_bh(IMMEDIATE_BH);
-}
-
-void i810_dma_immediate_bh(void *device)
-{
- drm_device_t *dev = (drm_device_t *) device;
- drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
-
- atomic_set(&dev_priv->flush_done, 1);
- DRM_OS_WAKEUP_INT(&dev_priv->flush_queue);
-}
-
-static inline void i810_dma_emit_flush(drm_device_t *dev)
-{
- drm_i810_private_t *dev_priv = dev->dev_private;
- RING_LOCALS;
-
- i810_kernel_lost_context(dev);
-
- BEGIN_LP_RING(2);
- OUT_RING( CMD_REPORT_HEAD );
- OUT_RING( GFX_OP_USER_INTERRUPT );
- ADVANCE_LP_RING();
-
-/* i810_wait_ring( dev, dev_priv->ring.Size - 8 ); */
-/* atomic_set(&dev_priv->flush_done, 1); */
-/* DRM_OS_WAKEUP_INT(&dev_priv->flush_queue); */
-}
-
-static inline void i810_dma_quiescent_emit(drm_device_t *dev)
-{
- drm_i810_private_t *dev_priv = dev->dev_private;
- RING_LOCALS;
-
- i810_kernel_lost_context(dev);
-
- BEGIN_LP_RING(4);
- OUT_RING( INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE );
- OUT_RING( CMD_REPORT_HEAD );
- OUT_RING( 0 );
- OUT_RING( GFX_OP_USER_INTERRUPT );
- ADVANCE_LP_RING();
-
-/* i810_wait_ring( dev, dev_priv->ring.Size - 8 ); */
-/* atomic_set(&dev_priv->flush_done, 1); */
-/* DRM_OS_WAKEUP_INT(&dev_priv->flush_queue); */
-}
-
-void i810_dma_quiescent(drm_device_t *dev)
-{
- DECLARE_WAITQUEUE(entry, current);
- drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
- unsigned long end;
-
- if(dev_priv == NULL) {
- return;
- }
- atomic_set(&dev_priv->flush_done, 0);
- add_wait_queue(&dev_priv->flush_queue, &entry);
- end = jiffies + (HZ*3);
-
- for (;;) {
- current->state = TASK_INTERRUPTIBLE;
- i810_dma_quiescent_emit(dev);
- if (atomic_read(&dev_priv->flush_done) == 1) break;
- if((signed)(end - jiffies) <= 0) {
- DRM_ERROR("lockup\n");
- break;
- }
- schedule_timeout(HZ*3);
- if (signal_pending(current)) {
- break;
- }
- }
-
- current->state = TASK_RUNNING;
- remove_wait_queue(&dev_priv->flush_queue, &entry);
-
- return;
-}
-
-static int i810_flush_queue(drm_device_t *dev)
-{
- DECLARE_WAITQUEUE(entry, current);
- drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
- drm_device_dma_t *dma = dev->dma;
- unsigned long end;
- int i, ret = 0;
-
- if(dev_priv == NULL) {
- return 0;
- }
- atomic_set(&dev_priv->flush_done, 0);
- add_wait_queue(&dev_priv->flush_queue, &entry);
- end = jiffies + (HZ*3);
- for (;;) {
- current->state = TASK_INTERRUPTIBLE;
- i810_dma_emit_flush(dev);
- if (atomic_read(&dev_priv->flush_done) == 1) break;
- if((signed)(end - jiffies) <= 0) {
- DRM_ERROR("lockup\n");
- break;
- }
- schedule_timeout(HZ*3);
- if (signal_pending(current)) {
- ret = -EINTR; /* Can't restart */
- break;
- }
- }
-
- current->state = TASK_RUNNING;
- remove_wait_queue(&dev_priv->flush_queue, &entry);
-
-
- for (i = 0; i < dma->buf_count; i++) {
- drm_buf_t *buf = dma->buflist[ i ];
- drm_i810_buf_priv_t *buf_priv = buf->dev_private;
-
- char failed;
- _DRM_CAS(buf_priv->in_use, I810_BUF_HARDWARE,
- I810_BUF_FREE, failed);
-
- if (!failed)
- DRM_DEBUG("reclaimed from HARDWARE\n");
- if (used == I810_BUF_CLIENT)
- DRM_DEBUG("still on client HARDWARE\n");
- }
-
- return ret;
-}
-
-/* Must be called with the lock held */
-void i810_reclaim_buffers(drm_device_t *dev, pid_t pid)
-{
- drm_device_dma_t *dma = dev->dma;
- int i;
-
- if (!dma) return;
- if (!dev->dev_private) return;
- if (!dma->buflist) return;
-
- i810_flush_queue(dev);
-
- for (i = 0; i < dma->buf_count; i++) {
- drm_buf_t *buf = dma->buflist[ i ];
- drm_i810_buf_priv_t *buf_priv = buf->dev_private;
-
- if (buf->pid == pid && buf_priv) {
- char failed;
- _DRM_CAS(buf_priv->in_use, I810_BUF_CLIENT,
- I810_BUF_FREE, failed);
-
- if (!failed)
-
- DRM_DEBUG("reclaimed from client\n");
- if(buf_priv->currently_mapped == I810_BUF_MAPPED)
- buf_priv->currently_mapped = I810_BUF_UNMAPPED;
- }
- }
-}
-
-int i810_flush_ioctl( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
-
- DRM_DEBUG("i810_flush_ioctl\n");
- if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
- DRM_ERROR("i810_flush_ioctl called without lock held\n");
- DRM_OS_RETURN( EINVAL );
- }
-
- i810_flush_queue(dev);
- return 0;
-}
-
-
-int i810_dma_vertex( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_device_dma_t *dma = dev->dma;
- drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
- u32 *hw_status = (u32 *)dev_priv->hw_status_page;
- drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *)
- dev_priv->sarea_priv;
- drm_i810_vertex_t vertex;
-
- DRM_OS_KRNFROMUSR( vertex, (drm_i810_vertex_t *) data, sizeof(vertex) );
-
- if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
- DRM_ERROR("i810_dma_vertex called without lock held\n");
- DRM_OS_RETURN( EINVAL );
- }
-
- DRM_DEBUG("i810 dma vertex, idx %d used %d discard %d\n",
- vertex.idx, vertex.used, vertex.discard);
-
- if(vertex.idx < 0 || vertex.idx > dma->buf_count) DRM_OS_RETURN(EINVAL);
-
- i810_dma_dispatch_vertex( dev,
- dma->buflist[ vertex.idx ],
- vertex.discard, vertex.used );
-
- atomic_add(vertex.used, &dev->counts[_DRM_STAT_SECONDARY]);
- atomic_inc(&dev->counts[_DRM_STAT_DMA]);
- sarea_priv->last_enqueue = dev_priv->counter-1;
- sarea_priv->last_dispatch = (int) hw_status[5];
-
- return 0;
-}
-
-
-
-int i810_clear_bufs( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_i810_clear_t clear;
-
- DRM_OS_KRNFROMUSR( clear, (drm_i810_clear_t *) data, sizeof(clear) );
-
- if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
- DRM_ERROR("i810_clear_bufs called without lock held\n");
- DRM_OS_RETURN( EINVAL );
- }
-
- /* GH: Someone's doing nasty things... */
- if (!dev->dev_private) {
- DRM_OS_RETURN(EINVAL);
- }
-
- i810_dma_dispatch_clear( dev, clear.flags,
- clear.clear_color,
- clear.clear_depth );
- return 0;
-}
-
-int i810_swap_bufs( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
-
- DRM_DEBUG("i810_swap_bufs\n");
-
- if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
- DRM_ERROR("i810_swap_buf called without lock held\n");
- DRM_OS_RETURN( EINVAL );
- }
-
- i810_dma_dispatch_swap( dev );
- return 0;
-}
-
-int i810_getage( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
- u32 *hw_status = (u32 *)dev_priv->hw_status_page;
- drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *)
- dev_priv->sarea_priv;
-
- sarea_priv->last_dispatch = (int) hw_status[5];
- return 0;
-}
-
-int i810_getbuf( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- int retcode = 0;
- drm_i810_dma_t d;
- drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
- u32 *hw_status = (u32 *)dev_priv->hw_status_page;
- drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *)
- dev_priv->sarea_priv;
-
- DRM_DEBUG("getbuf\n");
- DRM_OS_KRNFROMUSR( d, (drm_i810_dma_t *) data, sizeof(d) );
-
- if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
- DRM_ERROR("i810_dma called without lock held\n");
- DRM_OS_RETURN( EINVAL );
- }
-
- d.granted = 0;
-
- retcode = i810_dma_get_buffer(dev, &d, filp);
-
- DRM_DEBUG("i810_dma: %d returning %d, granted = %d\n",
- DRM_OS_CURRENTPID, retcode, d.granted);
-
- DRM_OS_KRNTOUSR( (drm_dma_t *) data, d, sizeof(d) );
- sarea_priv->last_dispatch = (int) hw_status[5];
-
- DRM_OS_RETURN(retcode);
-}
-
-int i810_copybuf( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_i810_copy_t d;
- drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
- u32 *hw_status = (u32 *)dev_priv->hw_status_page;
- drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *)
- dev_priv->sarea_priv;
- drm_buf_t *buf;
- drm_i810_buf_priv_t *buf_priv;
- drm_device_dma_t *dma = dev->dma;
-
- if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
- DRM_ERROR("i810_dma called without lock held\n");
- DRM_OS_RETURN( EINVAL );
- }
-
- DRM_OS_KRNFROMUSR( d, (drm_i810_copy_t *) data, sizeof(d) );
-
- if(d.idx < 0 || d.idx > dma->buf_count) DRM_OS_RETURN(EINVAL);
- buf = dma->buflist[ d.idx ];
- buf_priv = buf->dev_private;
- if (buf_priv->currently_mapped != I810_BUF_MAPPED) DRM_OS_RETURN(EPERM);
- if(d.used < 0 || d.used > buf->total) DRM_OS_RETURN(EINVAL);
-
- if (DRM_OS_COPYFROMUSR(buf_priv->virtual, d.address, d.used))
- DRM_OS_RETURN( EFAULT );
-
- sarea_priv->last_dispatch = (int) hw_status[5];
-
- return 0;
-}
-
-int i810_docopy( DRM_OS_IOCTL )
-{
- if(VM_DONTCOPY == 0) return 1;
- return 0;
-}
+++ /dev/null
-/* i810_drv.c -- I810 driver -*- linux-c -*-
- * Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com
- *
- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Rickard E. (Rik) Faith <faith@valinux.com>
- * Jeff Hartmann <jhartmann@valinux.com>
- * Gareth Hughes <gareth@valinux.com>
- */
-
-
-#include <sys/types.h>
-#include <sys/bus.h>
-#include <pci/pcivar.h>
-#include <opt_drm_linux.h>
-
-#include "i810.h"
-#include "drmP.h"
-#include "drm.h"
-#include "i810_drm.h"
-#include "i810_drv.h"
-
-#define DRIVER_AUTHOR "VA Linux Systems Inc."
-
-#define DRIVER_NAME "i810"
-#define DRIVER_DESC "Intel i810"
-#define DRIVER_DATE "20010616"
-
-#define DRIVER_MAJOR 1
-#define DRIVER_MINOR 2
-#define DRIVER_PATCHLEVEL 0
-
-/* Device IDs unknown. Can someone help? anholt@teleport.com */
-drm_chipinfo_t DRM(devicelist)[] = {
- {0, 0, 0, NULL}
-};
-
-#define DRIVER_IOCTLS \
- [DRM_IOCTL_NR(DRM_IOCTL_I810_INIT)] = { i810_dma_init, 1, 1 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_I810_VERTEX)] = { i810_dma_vertex, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_I810_CLEAR)] = { i810_clear_bufs, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_I810_FLUSH)] = { i810_flush_ioctl, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_I810_GETAGE)] = { i810_getage, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_I810_GETBUF)] = { i810_getbuf, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_I810_SWAP)] = { i810_swap_bufs, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_I810_COPY)] = { i810_copybuf, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_I810_DOCOPY)] = { i810_docopy, 1, 0 },
-
-
-#define __HAVE_COUNTERS 4
-#define __HAVE_COUNTER6 _DRM_STAT_IRQ
-#define __HAVE_COUNTER7 _DRM_STAT_PRIMARY
-#define __HAVE_COUNTER8 _DRM_STAT_SECONDARY
-#define __HAVE_COUNTER9 _DRM_STAT_DMA
-
-
-#include "drm_agpsupport.h"
-#include "drm_auth.h"
-#include "drm_bufs.h"
-#include "drm_context.h"
-#include "drm_dma.h"
-#include "drm_drawable.h"
-#include "drm_drv.h"
-
-
-#include "drm_fops.h"
-#include "drm_init.h"
-#include "drm_ioctl.h"
-#include "drm_lock.h"
-#include "drm_lists.h"
-#include "drm_memory.h"
-#include "drm_vm.h"
-#include "drm_sysctl.h"
-
-DRIVER_MODULE(i810, pci, i810_driver, i810_devclass, 0, 0);
+++ /dev/null
-/* i830_dma.c -- DMA support for the I830 -*- linux-c -*-
- * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com
- *
- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors: Rickard E. (Rik) Faith <faith@valinux.com>
- * Jeff Hartmann <jhartmann@valinux.com>
- * Keith Whitwell <keithw@valinux.com>
- * Abraham vd Merwe <abraham@2d3d.co.za>
- *
- */
-
-#define __NO_VERSION__
-#include "i830.h"
-#include "drmP.h"
-#include "drm.h"
-#include "i830_drm.h"
-#include "i830_drv.h"
-#include <linux/interrupt.h> /* For task queue support */
-
-/* in case we don't have a 2.3.99-pre6 kernel or later: */
-#ifndef VM_DONTCOPY
-#define VM_DONTCOPY 0
-#endif
-
-#define I830_BUF_FREE 2
-#define I830_BUF_CLIENT 1
-#define I830_BUF_HARDWARE 0
-
-#define I830_BUF_UNMAPPED 0
-#define I830_BUF_MAPPED 1
-
-#define RING_LOCALS unsigned int outring, ringmask; volatile char *virt;
-
-
-#define DO_IDLE_WORKAROUND() \
-do { \
- int _head; \
- int _tail; \
- int _i; \
- do { \
- _head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR; \
- _tail = I830_READ(LP_RING + RING_TAIL) & TAIL_ADDR; \
- for(_i = 0; _i < 65535; _i++); \
- } while(_head != _tail); \
-} while(0)
-
-#define I830_SYNC_WORKAROUND 0
-
-#define BEGIN_LP_RING(n) do { \
- if (I830_VERBOSE) \
- DRM_DEBUG("BEGIN_LP_RING(%d) in %s\n", \
- n, __FUNCTION__); \
- if (I830_SYNC_WORKAROUND) \
- DO_IDLE_WORKAROUND(); \
- if (dev_priv->ring.space < n*4) \
- i830_wait_ring(dev, n*4); \
- dev_priv->ring.space -= n*4; \
- outring = dev_priv->ring.tail; \
- ringmask = dev_priv->ring.tail_mask; \
- virt = dev_priv->ring.virtual_start; \
-} while (0)
-
-#define ADVANCE_LP_RING() do { \
- if (I830_VERBOSE) DRM_DEBUG("ADVANCE_LP_RING\n"); \
- dev_priv->ring.tail = outring; \
- I830_WRITE(LP_RING + RING_TAIL, outring); \
-} while(0)
-
-#define OUT_RING(n) do { \
- if (I830_VERBOSE) DRM_DEBUG(" OUT_RING %x\n", (int)(n)); \
- *(volatile unsigned int *)(virt + outring) = n; \
- outring += 4; \
- outring &= ringmask; \
-} while (0)
-
-static inline void i830_print_status_page(drm_device_t *dev)
-{
- drm_device_dma_t *dma = dev->dma;
- drm_i830_private_t *dev_priv = dev->dev_private;
- u32 *temp = (u32 *)dev_priv->hw_status_page;
- int i;
-
- DRM_DEBUG( "hw_status: Interrupt Status : %x\n", temp[0]);
- DRM_DEBUG( "hw_status: LpRing Head ptr : %x\n", temp[1]);
- DRM_DEBUG( "hw_status: IRing Head ptr : %x\n", temp[2]);
- DRM_DEBUG( "hw_status: Reserved : %x\n", temp[3]);
- DRM_DEBUG( "hw_status: Driver Counter : %d\n", temp[5]);
- for(i = 9; i < dma->buf_count + 9; i++) {
- DRM_DEBUG( "buffer status idx : %d used: %d\n", i - 9, temp[i]);
- }
-}
-
-static drm_buf_t *i830_freelist_get(drm_device_t *dev)
-{
- drm_device_dma_t *dma = dev->dma;
- int i;
- int used;
-
- /* Linear search might not be the best solution */
-
- for (i = 0; i < dma->buf_count; i++) {
- drm_buf_t *buf = dma->buflist[ i ];
- drm_i830_buf_priv_t *buf_priv = buf->dev_private;
- /* In use is already a pointer */
- used = cmpxchg(buf_priv->in_use, I830_BUF_FREE,
- I830_BUF_CLIENT);
- if(used == I830_BUF_FREE) {
- return buf;
- }
- }
- return NULL;
-}
-
-/* This should only be called if the buffer is not sent to the hardware
- * yet, the hardware updates in use for us once its on the ring buffer.
- */
-
-static int i830_freelist_put(drm_device_t *dev, drm_buf_t *buf)
-{
- drm_i830_buf_priv_t *buf_priv = buf->dev_private;
- int used;
-
- /* In use is already a pointer */
- used = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, I830_BUF_FREE);
- if(used != I830_BUF_CLIENT) {
- DRM_ERROR("Freeing buffer thats not in use : %d\n", buf->idx);
- return -EINVAL;
- }
-
- return 0;
-}
-
-static struct file_operations i830_buffer_fops = {
- open: DRM(open),
- flush: DRM(flush),
- release: DRM(release),
- ioctl: DRM(ioctl),
- mmap: i830_mmap_buffers,
- read: DRM(read),
- fasync: DRM(fasync),
- poll: DRM(poll),
-};
-
-int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev;
- drm_i830_private_t *dev_priv;
- drm_buf_t *buf;
- drm_i830_buf_priv_t *buf_priv;
-
- lock_kernel();
- dev = priv->dev;
- dev_priv = dev->dev_private;
- buf = dev_priv->mmap_buffer;
- buf_priv = buf->dev_private;
-
- vma->vm_flags |= (VM_IO | VM_DONTCOPY);
- vma->vm_file = filp;
-
- buf_priv->currently_mapped = I830_BUF_MAPPED;
- unlock_kernel();
-
- if (remap_page_range(vma->vm_start,
- VM_OFFSET(vma),
- vma->vm_end - vma->vm_start,
- vma->vm_page_prot)) return -EAGAIN;
- return 0;
-}
-
-static int i830_map_buffer(drm_buf_t *buf, struct file *filp)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
- drm_i830_buf_priv_t *buf_priv = buf->dev_private;
- drm_i830_private_t *dev_priv = dev->dev_private;
- struct file_operations *old_fops;
- int retcode = 0;
-
- if(buf_priv->currently_mapped == I830_BUF_MAPPED) return -EINVAL;
-
- if(VM_DONTCOPY != 0) {
-#if LINUX_VERSION_CODE <= 0x020402
- down( ¤t->mm->mmap_sem );
-#else
- down_write( ¤t->mm->mmap_sem );
-#endif
- old_fops = filp->f_op;
- filp->f_op = &i830_buffer_fops;
- dev_priv->mmap_buffer = buf;
- buf_priv->virtual = (void *)do_mmap(filp, 0, buf->total,
- PROT_READ|PROT_WRITE,
- MAP_SHARED,
- buf->bus_address);
- dev_priv->mmap_buffer = NULL;
- filp->f_op = old_fops;
- if ((unsigned long)buf_priv->virtual > -1024UL) {
- /* Real error */
- DRM_DEBUG("mmap error\n");
- retcode = (signed int)buf_priv->virtual;
- buf_priv->virtual = 0;
- }
-#if LINUX_VERSION_CODE <= 0x020402
- up( ¤t->mm->mmap_sem );
-#else
- up_write( ¤t->mm->mmap_sem );
-#endif
- } else {
- buf_priv->virtual = buf_priv->kernel_virtual;
- buf_priv->currently_mapped = I830_BUF_MAPPED;
- }
- return retcode;
-}
-
-static int i830_unmap_buffer(drm_buf_t *buf)
-{
- drm_i830_buf_priv_t *buf_priv = buf->dev_private;
- int retcode = 0;
-
- if(VM_DONTCOPY != 0) {
- if(buf_priv->currently_mapped != I830_BUF_MAPPED)
- return -EINVAL;
-#if LINUX_VERSION_CODE <= 0x020402
- down( ¤t->mm->mmap_sem );
-#else
- down_write( ¤t->mm->mmap_sem );
-#endif
-#if LINUX_VERSION_CODE < 0x020399
- retcode = do_munmap((unsigned long)buf_priv->virtual,
- (size_t) buf->total);
-#else
- retcode = do_munmap(current->mm,
- (unsigned long)buf_priv->virtual,
- (size_t) buf->total);
-#endif
-#if LINUX_VERSION_CODE <= 0x020402
- up( ¤t->mm->mmap_sem );
-#else
- up_write( ¤t->mm->mmap_sem );
-#endif
- }
- buf_priv->currently_mapped = I830_BUF_UNMAPPED;
- buf_priv->virtual = 0;
-
- return retcode;
-}
-
-static int i830_dma_get_buffer(drm_device_t *dev, drm_i830_dma_t *d,
- struct file *filp)
-{
- drm_file_t *priv = filp->private_data;
- drm_buf_t *buf;
- drm_i830_buf_priv_t *buf_priv;
- int retcode = 0;
-
- buf = i830_freelist_get(dev);
- if (!buf) {
- retcode = -ENOMEM;
- DRM_DEBUG("retcode=%d\n", retcode);
- return retcode;
- }
-
- retcode = i830_map_buffer(buf, filp);
- if(retcode) {
- i830_freelist_put(dev, buf);
- DRM_DEBUG("mapbuf failed, retcode %d\n", retcode);
- return retcode;
- }
- buf->pid = priv->pid;
- buf_priv = buf->dev_private;
- d->granted = 1;
- d->request_idx = buf->idx;
- d->request_size = buf->total;
- d->virtual = buf_priv->virtual;
-
- return retcode;
-}
-
-static unsigned long i830_alloc_page(drm_device_t *dev)
-{
- unsigned long address;
-
- address = __get_free_page(GFP_KERNEL);
- if(address == 0UL)
- return 0;
-
- atomic_inc(&virt_to_page(address)->count);
- set_bit(PG_locked, &virt_to_page(address)->flags);
-
- return address;
-}
-
-static void i830_free_page(drm_device_t *dev, unsigned long page)
-{
- if(page == 0UL)
- return;
-
- atomic_dec(&virt_to_page(page)->count);
- clear_bit(PG_locked, &virt_to_page(page)->flags);
- wake_up(&virt_to_page(page)->wait);
- free_page(page);
- return;
-}
-
-static int i830_dma_cleanup(drm_device_t *dev)
-{
- drm_device_dma_t *dma = dev->dma;
-
- if(dev->dev_private) {
- int i;
- drm_i830_private_t *dev_priv =
- (drm_i830_private_t *) dev->dev_private;
-
- if(dev_priv->ring.virtual_start) {
- DRM(ioremapfree)((void *) dev_priv->ring.virtual_start,
- dev_priv->ring.Size);
- }
- if(dev_priv->hw_status_page != 0UL) {
- i830_free_page(dev, dev_priv->hw_status_page);
- /* Need to rewrite hardware status page */
- I830_WRITE(0x02080, 0x1ffff000);
- }
- DRM(free)(dev->dev_private, sizeof(drm_i830_private_t),
- DRM_MEM_DRIVER);
- dev->dev_private = NULL;
-
- for (i = 0; i < dma->buf_count; i++) {
- drm_buf_t *buf = dma->buflist[ i ];
- drm_i830_buf_priv_t *buf_priv = buf->dev_private;
- DRM(ioremapfree)(buf_priv->kernel_virtual, buf->total);
- }
- }
- return 0;
-}
-
-static int i830_wait_ring(drm_device_t *dev, int n)
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- drm_i830_ring_buffer_t *ring = &(dev_priv->ring);
- int iters = 0;
- unsigned long end;
- unsigned int last_head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR;
-
- end = jiffies + (HZ*3);
- while (ring->space < n) {
- int i;
-
- ring->head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR;
- ring->space = ring->head - (ring->tail+8);
- if (ring->space < 0) ring->space += ring->Size;
-
- if (ring->head != last_head) {
- end = jiffies + (HZ*3);
- last_head = ring->head;
- }
-
- iters++;
- if((signed)(end - jiffies) <= 0) {
- DRM_ERROR("space: %d wanted %d\n", ring->space, n);
- DRM_ERROR("lockup\n");
- goto out_wait_ring;
- }
-
- for (i = 0 ; i < 2000 ; i++) ;
- }
-
-out_wait_ring:
- return iters;
-}
-
-static void i830_kernel_lost_context(drm_device_t *dev)
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- drm_i830_ring_buffer_t *ring = &(dev_priv->ring);
-
- ring->head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR;
- ring->tail = I830_READ(LP_RING + RING_TAIL);
- ring->space = ring->head - (ring->tail+8);
- if (ring->space < 0) ring->space += ring->Size;
-}
-
-static int i830_freelist_init(drm_device_t *dev, drm_i830_private_t *dev_priv)
-{
- drm_device_dma_t *dma = dev->dma;
- int my_idx = 36;
- u32 *hw_status = (u32 *)(dev_priv->hw_status_page + my_idx);
- int i;
-
- if(dma->buf_count > 1019) {
- /* Not enough space in the status page for the freelist */
- return -EINVAL;
- }
-
- for (i = 0; i < dma->buf_count; i++) {
- drm_buf_t *buf = dma->buflist[ i ];
- drm_i830_buf_priv_t *buf_priv = buf->dev_private;
-
- buf_priv->in_use = hw_status++;
- buf_priv->my_use_idx = my_idx;
- my_idx += 4;
-
- *buf_priv->in_use = I830_BUF_FREE;
-
- buf_priv->kernel_virtual = DRM(ioremap)(buf->bus_address,
- buf->total);
- }
- return 0;
-}
-
-static int i830_dma_initialize(drm_device_t *dev,
- drm_i830_private_t *dev_priv,
- drm_i830_init_t *init)
-{
- struct list_head *list;
-
- memset(dev_priv, 0, sizeof(drm_i830_private_t));
-
- list_for_each(list, &dev->maplist->head) {
- drm_map_list_t *r_list = (drm_map_list_t *)list;
- if( r_list->map &&
- r_list->map->type == _DRM_SHM &&
- r_list->map->flags & _DRM_CONTAINS_LOCK ) {
- dev_priv->sarea_map = r_list->map;
- break;
- }
- }
-
- if(!dev_priv->sarea_map) {
- dev->dev_private = (void *)dev_priv;
- i830_dma_cleanup(dev);
- DRM_ERROR("can not find sarea!\n");
- return -EINVAL;
- }
- DRM_FIND_MAP( dev_priv->mmio_map, init->mmio_offset );
- if(!dev_priv->mmio_map) {
- dev->dev_private = (void *)dev_priv;
- i830_dma_cleanup(dev);
- DRM_ERROR("can not find mmio map!\n");
- return -EINVAL;
- }
- DRM_FIND_MAP( dev_priv->buffer_map, init->buffers_offset );
- if(!dev_priv->buffer_map) {
- dev->dev_private = (void *)dev_priv;
- i830_dma_cleanup(dev);
- DRM_ERROR("can not find dma buffer map!\n");
- return -EINVAL;
- }
-
- dev_priv->sarea_priv = (drm_i830_sarea_t *)
- ((u8 *)dev_priv->sarea_map->handle +
- init->sarea_priv_offset);
-
- atomic_set(&dev_priv->flush_done, 0);
- init_waitqueue_head(&dev_priv->flush_queue);
-
- dev_priv->ring.Start = init->ring_start;
- dev_priv->ring.End = init->ring_end;
- dev_priv->ring.Size = init->ring_size;
-
- dev_priv->ring.virtual_start = DRM(ioremap)(dev->agp->base +
- init->ring_start,
- init->ring_size);
-
- if (dev_priv->ring.virtual_start == NULL) {
- dev->dev_private = (void *) dev_priv;
- i830_dma_cleanup(dev);
- DRM_ERROR("can not ioremap virtual address for"
- " ring buffer\n");
- return -ENOMEM;
- }
-
- dev_priv->ring.tail_mask = dev_priv->ring.Size - 1;
-
- dev_priv->w = init->w;
- dev_priv->h = init->h;
- dev_priv->pitch = init->pitch;
- dev_priv->back_offset = init->back_offset;
- dev_priv->depth_offset = init->depth_offset;
-
- dev_priv->front_di1 = init->front_offset | init->pitch_bits;
- dev_priv->back_di1 = init->back_offset | init->pitch_bits;
- dev_priv->zi1 = init->depth_offset | init->pitch_bits;
-
- dev_priv->cpp = init->cpp;
- /* We are using seperate values as placeholders for mechanisms for
- * private backbuffer/depthbuffer usage.
- */
-
- dev_priv->back_pitch = init->back_pitch;
- dev_priv->depth_pitch = init->depth_pitch;
-
- /* Program Hardware Status Page */
- dev_priv->hw_status_page = i830_alloc_page(dev);
- if(dev_priv->hw_status_page == 0UL) {
- dev->dev_private = (void *)dev_priv;
- i830_dma_cleanup(dev);
- DRM_ERROR("Can not allocate hardware status page\n");
- return -ENOMEM;
- }
- memset((void *) dev_priv->hw_status_page, 0, PAGE_SIZE);
- DRM_DEBUG("hw status page @ %lx\n", dev_priv->hw_status_page);
-
- I830_WRITE(0x02080, virt_to_bus((void *)dev_priv->hw_status_page));
- DRM_DEBUG("Enabled hardware status page\n");
-
- /* Now we need to init our freelist */
- if(i830_freelist_init(dev, dev_priv) != 0) {
- dev->dev_private = (void *)dev_priv;
- i830_dma_cleanup(dev);
- DRM_ERROR("Not enough space in the status page for"
- " the freelist\n");
- return -ENOMEM;
- }
- dev->dev_private = (void *)dev_priv;
-
- return 0;
-}
-
-int i830_dma_init(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
- drm_i830_private_t *dev_priv;
- drm_i830_init_t init;
- int retcode = 0;
-
- if (copy_from_user(&init, (drm_i830_init_t *)arg, sizeof(init)))
- return -EFAULT;
-
- switch(init.func) {
- case I830_INIT_DMA:
- dev_priv = DRM(alloc)(sizeof(drm_i830_private_t),
- DRM_MEM_DRIVER);
- if(dev_priv == NULL) return -ENOMEM;
- retcode = i830_dma_initialize(dev, dev_priv, &init);
- break;
- case I830_CLEANUP_DMA:
- retcode = i830_dma_cleanup(dev);
- break;
- default:
- retcode = -EINVAL;
- break;
- }
-
- return retcode;
-}
-
-/* Most efficient way to verify state for the i830 is as it is
- * emitted. Non-conformant state is silently dropped.
- *
- * Use 'volatile' & local var tmp to force the emitted values to be
- * identical to the verified ones.
- */
-static void i830EmitContextVerified( drm_device_t *dev,
- volatile unsigned int *code )
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- int i, j = 0;
- unsigned int tmp;
- RING_LOCALS;
-
- BEGIN_LP_RING( I830_CTX_SETUP_SIZE );
- for ( i = 0 ; i < I830_CTX_SETUP_SIZE ; i++ ) {
- tmp = code[i];
-
-#if 0
- if ((tmp & (7<<29)) == (3<<29) &&
- (tmp & (0x1f<<24)) < (0x1d<<24)) {
- OUT_RING( tmp );
- j++;
- } else {
- printk("Skipping %d\n", i);
- }
-#else
- OUT_RING( tmp );
- j++;
-#endif
- }
-
- if (j & 1)
- OUT_RING( 0 );
-
- ADVANCE_LP_RING();
-}
-
-static void i830EmitTexVerified( drm_device_t *dev,
- volatile unsigned int *code )
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- int i, j = 0;
- unsigned int tmp;
- RING_LOCALS;
-
- BEGIN_LP_RING( I830_TEX_SETUP_SIZE );
-
- OUT_RING( GFX_OP_MAP_INFO );
- OUT_RING( code[I830_TEXREG_MI1] );
- OUT_RING( code[I830_TEXREG_MI2] );
- OUT_RING( code[I830_TEXREG_MI3] );
- OUT_RING( code[I830_TEXREG_MI4] );
- OUT_RING( code[I830_TEXREG_MI5] );
-
- for ( i = 6 ; i < I830_TEX_SETUP_SIZE ; i++ ) {
- tmp = code[i];
- OUT_RING( tmp );
- j++;
- }
-
- if (j & 1)
- OUT_RING( 0 );
-
- ADVANCE_LP_RING();
-}
-
-static void i830EmitTexBlendVerified( drm_device_t *dev,
- volatile unsigned int *code,
- volatile unsigned int num)
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- int i, j = 0;
- unsigned int tmp;
- RING_LOCALS;
-
- BEGIN_LP_RING( num );
-
- for ( i = 0 ; i < num ; i++ ) {
- tmp = code[i];
- OUT_RING( tmp );
- j++;
- }
-
- if (j & 1)
- OUT_RING( 0 );
-
- ADVANCE_LP_RING();
-}
-
-static void i830EmitTexPalette( drm_device_t *dev,
- unsigned int *palette,
- int number,
- int is_shared )
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- int i;
- RING_LOCALS;
-
- BEGIN_LP_RING( 258 );
-
- if(is_shared == 1) {
- OUT_RING(CMD_OP_MAP_PALETTE_LOAD |
- MAP_PALETTE_NUM(0) |
- MAP_PALETTE_BOTH);
- } else {
- OUT_RING(CMD_OP_MAP_PALETTE_LOAD | MAP_PALETTE_NUM(number));
- }
- for(i = 0; i < 256; i++) {
- OUT_RING(palette[i]);
- }
- OUT_RING(0);
-}
-
-/* Need to do some additional checking when setting the dest buffer.
- */
-static void i830EmitDestVerified( drm_device_t *dev,
- volatile unsigned int *code )
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- unsigned int tmp;
- RING_LOCALS;
-
- BEGIN_LP_RING( I830_DEST_SETUP_SIZE + 6 );
-
- tmp = code[I830_DESTREG_CBUFADDR];
- if (tmp == dev_priv->front_di1) {
- /* Don't use fence when front buffer rendering */
- OUT_RING( CMD_OP_DESTBUFFER_INFO );
- OUT_RING( BUF_3D_ID_COLOR_BACK |
- BUF_3D_PITCH(dev_priv->back_pitch * dev_priv->cpp) );
- OUT_RING( tmp );
-
- OUT_RING( CMD_OP_DESTBUFFER_INFO );
- OUT_RING( BUF_3D_ID_DEPTH |
- BUF_3D_PITCH(dev_priv->depth_pitch * dev_priv->cpp));
- OUT_RING( dev_priv->zi1 );
- } else if(tmp == dev_priv->back_di1) {
- OUT_RING( CMD_OP_DESTBUFFER_INFO );
- OUT_RING( BUF_3D_ID_COLOR_BACK |
- BUF_3D_PITCH(dev_priv->back_pitch * dev_priv->cpp) |
- BUF_3D_USE_FENCE);
- OUT_RING( tmp );
-
- OUT_RING( CMD_OP_DESTBUFFER_INFO );
- OUT_RING( BUF_3D_ID_DEPTH | BUF_3D_USE_FENCE |
- BUF_3D_PITCH(dev_priv->depth_pitch * dev_priv->cpp));
- OUT_RING( dev_priv->zi1 );
- } else {
- DRM_DEBUG("bad di1 %x (allow %x or %x)\n",
- tmp, dev_priv->front_di1, dev_priv->back_di1);
- }
-
- /* invarient:
- */
-
-
- OUT_RING( GFX_OP_DESTBUFFER_VARS );
- OUT_RING( code[I830_DESTREG_DV1] );
-
- OUT_RING( GFX_OP_DRAWRECT_INFO );
- OUT_RING( code[I830_DESTREG_DR1] );
- OUT_RING( code[I830_DESTREG_DR2] );
- OUT_RING( code[I830_DESTREG_DR3] );
- OUT_RING( code[I830_DESTREG_DR4] );
-
- /* Need to verify this */
- tmp = code[I830_DESTREG_SENABLE];
- if((tmp & ~0x3) == GFX_OP_SCISSOR_ENABLE) {
- OUT_RING( tmp );
- } else {
- DRM_DEBUG("bad scissor enable\n");
- OUT_RING( 0 );
- }
-
- OUT_RING( code[I830_DESTREG_SENABLE] );
-
- OUT_RING( GFX_OP_SCISSOR_RECT );
- OUT_RING( code[I830_DESTREG_SR1] );
- OUT_RING( code[I830_DESTREG_SR2] );
-
- ADVANCE_LP_RING();
-}
-
-static void i830EmitState( drm_device_t *dev )
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv;
- unsigned int dirty = sarea_priv->dirty;
-
- if (dirty & I830_UPLOAD_BUFFERS) {
- i830EmitDestVerified( dev, sarea_priv->BufferState );
- sarea_priv->dirty &= ~I830_UPLOAD_BUFFERS;
- }
-
- if (dirty & I830_UPLOAD_CTX) {
- i830EmitContextVerified( dev, sarea_priv->ContextState );
- sarea_priv->dirty &= ~I830_UPLOAD_CTX;
- }
-
- if (dirty & I830_UPLOAD_TEX0) {
- i830EmitTexVerified( dev, sarea_priv->TexState[0] );
- sarea_priv->dirty &= ~I830_UPLOAD_TEX0;
- }
-
- if (dirty & I830_UPLOAD_TEX1) {
- i830EmitTexVerified( dev, sarea_priv->TexState[1] );
- sarea_priv->dirty &= ~I830_UPLOAD_TEX1;
- }
-
- if (dirty & I830_UPLOAD_TEXBLEND0) {
- i830EmitTexBlendVerified( dev, sarea_priv->TexBlendState[0],
- sarea_priv->TexBlendStateWordsUsed[0]);
- sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND0;
- }
-
- if (dirty & I830_UPLOAD_TEXBLEND1) {
- i830EmitTexBlendVerified( dev, sarea_priv->TexBlendState[1],
- sarea_priv->TexBlendStateWordsUsed[1]);
- sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND1;
- }
-
- if (dirty & I830_UPLOAD_TEX_PALETTE_SHARED) {
- i830EmitTexPalette(dev, sarea_priv->Palette[0], 0, 1);
- } else {
- if (dirty & I830_UPLOAD_TEX_PALETTE_N(0)) {
- i830EmitTexPalette(dev, sarea_priv->Palette[0], 0, 0);
- sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(0);
- }
- if (dirty & I830_UPLOAD_TEX_PALETTE_N(1)) {
- i830EmitTexPalette(dev, sarea_priv->Palette[1], 1, 0);
- sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(1);
- }
- }
-}
-
-static void i830_dma_dispatch_clear( drm_device_t *dev, int flags,
- unsigned int clear_color,
- unsigned int clear_zval,
- unsigned int clear_depthmask)
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv;
- int nbox = sarea_priv->nbox;
- drm_clip_rect_t *pbox = sarea_priv->boxes;
- int pitch = dev_priv->pitch;
- int cpp = dev_priv->cpp;
- int i;
- unsigned int BR13, CMD, D_CMD;
- RING_LOCALS;
-
- i830_kernel_lost_context(dev);
-
- switch(cpp) {
- case 2:
- BR13 = (0xF0 << 16) | (pitch * cpp) | (1<<24);
- D_CMD = CMD = XY_COLOR_BLT_CMD;
- break;
- case 4:
- BR13 = (0xF0 << 16) | (pitch * cpp) | (1<<24) | (1<<25);
- CMD = (XY_COLOR_BLT_CMD | XY_COLOR_BLT_WRITE_ALPHA |
- XY_COLOR_BLT_WRITE_RGB);
- D_CMD = XY_COLOR_BLT_CMD;
- if(clear_depthmask & 0x00ffffff)
- D_CMD |= XY_COLOR_BLT_WRITE_RGB;
- if(clear_depthmask & 0xff000000)
- D_CMD |= XY_COLOR_BLT_WRITE_ALPHA;
- break;
- default:
- BR13 = (0xF0 << 16) | (pitch * cpp) | (1<<24);
- D_CMD = CMD = XY_COLOR_BLT_CMD;
- break;
- }
-
- if (nbox > I830_NR_SAREA_CLIPRECTS)
- nbox = I830_NR_SAREA_CLIPRECTS;
-
- for (i = 0 ; i < nbox ; i++, pbox++) {
- if (pbox->x1 > pbox->x2 ||
- pbox->y1 > pbox->y2 ||
- pbox->x2 > dev_priv->w ||
- pbox->y2 > dev_priv->h)
- continue;
-
- if ( flags & I830_FRONT ) {
- DRM_DEBUG("clear front\n");
- BEGIN_LP_RING( 6 );
- OUT_RING( CMD );
- OUT_RING( BR13 );
- OUT_RING( (pbox->y1 << 16) | pbox->x1 );
- OUT_RING( (pbox->y2 << 16) | pbox->x2 );
- OUT_RING( 0 );
- OUT_RING( clear_color );
- ADVANCE_LP_RING();
- }
-
- if ( flags & I830_BACK ) {
- DRM_DEBUG("clear back\n");
- BEGIN_LP_RING( 6 );
- OUT_RING( CMD );
- OUT_RING( BR13 );
- OUT_RING( (pbox->y1 << 16) | pbox->x1 );
- OUT_RING( (pbox->y2 << 16) | pbox->x2 );
- OUT_RING( dev_priv->back_offset );
- OUT_RING( clear_color );
- ADVANCE_LP_RING();
- }
-
- if ( flags & I830_DEPTH ) {
- DRM_DEBUG("clear depth\n");
- BEGIN_LP_RING( 6 );
- OUT_RING( D_CMD );
- OUT_RING( BR13 );
- OUT_RING( (pbox->y1 << 16) | pbox->x1 );
- OUT_RING( (pbox->y2 << 16) | pbox->x2 );
- OUT_RING( dev_priv->depth_offset );
- OUT_RING( clear_zval );
- ADVANCE_LP_RING();
- }
- }
-}
-
-static void i830_dma_dispatch_swap( drm_device_t *dev )
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv;
- int nbox = sarea_priv->nbox;
- drm_clip_rect_t *pbox = sarea_priv->boxes;
- int pitch = dev_priv->pitch;
- int cpp = dev_priv->cpp;
- int ofs = dev_priv->back_offset;
- int i;
- unsigned int CMD, BR13;
- RING_LOCALS;
-
- DRM_DEBUG("swapbuffers\n");
-
- switch(cpp) {
- case 2:
- BR13 = (pitch * cpp) | (0xCC << 16) | (1<<24);
- CMD = XY_SRC_COPY_BLT_CMD;
- break;
- case 4:
- BR13 = (pitch * cpp) | (0xCC << 16) | (1<<24) | (1<<25);
- CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA |
- XY_SRC_COPY_BLT_WRITE_RGB);
- break;
- default:
- BR13 = (pitch * cpp) | (0xCC << 16) | (1<<24);
- CMD = XY_SRC_COPY_BLT_CMD;
- break;
- }
-
- i830_kernel_lost_context(dev);
-
- if (nbox > I830_NR_SAREA_CLIPRECTS)
- nbox = I830_NR_SAREA_CLIPRECTS;
-
- for (i = 0 ; i < nbox; i++, pbox++)
- {
- if (pbox->x1 > pbox->x2 ||
- pbox->y1 > pbox->y2 ||
- pbox->x2 > dev_priv->w ||
- pbox->y2 > dev_priv->h)
- continue;
-
- DRM_DEBUG("dispatch swap %d,%d-%d,%d!\n",
- pbox->x1, pbox->y1,
- pbox->x2, pbox->y2);
-
- BEGIN_LP_RING( 8 );
- OUT_RING( CMD );
- OUT_RING( BR13 );
-
- OUT_RING( (pbox->y1 << 16) |
- pbox->x1 );
- OUT_RING( (pbox->y2 << 16) |
- pbox->x2 );
-
- OUT_RING( 0 /* front ofs always zero */ );
- OUT_RING( (pbox->y1 << 16) |
- pbox->x1 );
-
- OUT_RING( BR13 & 0xffff );
- OUT_RING( ofs );
-
- ADVANCE_LP_RING();
- }
-}
-
-
-static void i830_dma_dispatch_vertex(drm_device_t *dev,
- drm_buf_t *buf,
- int discard,
- int used)
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- drm_i830_buf_priv_t *buf_priv = buf->dev_private;
- drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_clip_rect_t *box = sarea_priv->boxes;
- int nbox = sarea_priv->nbox;
- unsigned long address = (unsigned long)buf->bus_address;
- unsigned long start = address - dev->agp->base;
- int i = 0, u;
- RING_LOCALS;
-
- i830_kernel_lost_context(dev);
-
- if (nbox > I830_NR_SAREA_CLIPRECTS)
- nbox = I830_NR_SAREA_CLIPRECTS;
-
- if (discard) {
- u = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT,
- I830_BUF_HARDWARE);
- if(u != I830_BUF_CLIENT) {
- DRM_DEBUG("xxxx 2\n");
- }
- }
-
- if (used > 4*1024)
- used = 0;
-
- if (sarea_priv->dirty)
- i830EmitState( dev );
-
- DRM_DEBUG("dispatch vertex addr 0x%lx, used 0x%x nbox %d\n",
- address, used, nbox);
-
- dev_priv->counter++;
- DRM_DEBUG( "dispatch counter : %ld\n", dev_priv->counter);
- DRM_DEBUG( "i830_dma_dispatch\n");
- DRM_DEBUG( "start : %lx\n", start);
- DRM_DEBUG( "used : %d\n", used);
- DRM_DEBUG( "start + used - 4 : %ld\n", start + used - 4);
-
- if (buf_priv->currently_mapped == I830_BUF_MAPPED) {
- *(u32 *)buf_priv->virtual = (GFX_OP_PRIMITIVE |
- sarea_priv->vertex_prim |
- ((used/4)-2));
-
- if (used & 4) {
- *(u32 *)((u32)buf_priv->virtual + used) = 0;
- used += 4;
- }
-
- i830_unmap_buffer(buf);
- }
-
- if (used) {
- do {
- if (i < nbox) {
- BEGIN_LP_RING(6);
- OUT_RING( GFX_OP_DRAWRECT_INFO );
- OUT_RING( sarea_priv->BufferState[I830_DESTREG_DR1] );
- OUT_RING( box[i].x1 | (box[i].y1<<16) );
- OUT_RING( box[i].x2 | (box[i].y2<<16) );
- OUT_RING( sarea_priv->BufferState[I830_DESTREG_DR4] );
- OUT_RING( 0 );
- ADVANCE_LP_RING();
- }
-
- BEGIN_LP_RING(4);
-
- OUT_RING( MI_BATCH_BUFFER );
- OUT_RING( start | MI_BATCH_NON_SECURE );
- OUT_RING( start + used - 4 );
- OUT_RING( 0 );
- ADVANCE_LP_RING();
-
- } while (++i < nbox);
- }
-
- BEGIN_LP_RING(10);
- OUT_RING( CMD_STORE_DWORD_IDX );
- OUT_RING( 20 );
- OUT_RING( dev_priv->counter );
- OUT_RING( 0 );
-
- if (discard) {
- OUT_RING( CMD_STORE_DWORD_IDX );
- OUT_RING( buf_priv->my_use_idx );
- OUT_RING( I830_BUF_FREE );
- OUT_RING( 0 );
- }
-
- OUT_RING( CMD_REPORT_HEAD );
- OUT_RING( 0 );
- ADVANCE_LP_RING();
-}
-
-/* Interrupts are only for flushing */
-void i830_dma_service(int irq, void *device, struct pt_regs *regs)
-{
- drm_device_t *dev = (drm_device_t *)device;
- drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
- u16 temp;
-
- temp = I830_READ16(I830REG_INT_IDENTITY_R);
- temp = temp & ~(0x6000);
- if(temp != 0) I830_WRITE16(I830REG_INT_IDENTITY_R,
- temp); /* Clear all interrupts */
- else
- return;
-
- queue_task(&dev->tq, &tq_immediate);
- mark_bh(IMMEDIATE_BH);
-}
-
-void DRM(dma_immediate_bh)(void *device)
-{
- drm_device_t *dev = (drm_device_t *) device;
- drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
-
- atomic_set(&dev_priv->flush_done, 1);
- wake_up_interruptible(&dev_priv->flush_queue);
-}
-
-static inline void i830_dma_emit_flush(drm_device_t *dev)
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- RING_LOCALS;
-
- i830_kernel_lost_context(dev);
-
- BEGIN_LP_RING(2);
- OUT_RING( CMD_REPORT_HEAD );
- OUT_RING( GFX_OP_USER_INTERRUPT );
- ADVANCE_LP_RING();
-
- i830_wait_ring( dev, dev_priv->ring.Size - 8 );
- atomic_set(&dev_priv->flush_done, 1);
- wake_up_interruptible(&dev_priv->flush_queue);
-}
-
-static inline void i830_dma_quiescent_emit(drm_device_t *dev)
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- RING_LOCALS;
-
- i830_kernel_lost_context(dev);
-
- BEGIN_LP_RING(4);
- OUT_RING( INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE );
- OUT_RING( CMD_REPORT_HEAD );
- OUT_RING( 0 );
- OUT_RING( GFX_OP_USER_INTERRUPT );
- ADVANCE_LP_RING();
-
- i830_wait_ring( dev, dev_priv->ring.Size - 8 );
- atomic_set(&dev_priv->flush_done, 1);
- wake_up_interruptible(&dev_priv->flush_queue);
-}
-
-void i830_dma_quiescent(drm_device_t *dev)
-{
- DECLARE_WAITQUEUE(entry, current);
- drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
- unsigned long end;
-
- if(dev_priv == NULL) {
- return;
- }
- atomic_set(&dev_priv->flush_done, 0);
- add_wait_queue(&dev_priv->flush_queue, &entry);
- end = jiffies + (HZ*3);
-
- for (;;) {
- current->state = TASK_INTERRUPTIBLE;
- i830_dma_quiescent_emit(dev);
- if (atomic_read(&dev_priv->flush_done) == 1) break;
- if((signed)(end - jiffies) <= 0) {
- DRM_ERROR("lockup\n");
- break;
- }
- schedule_timeout(HZ*3);
- if (signal_pending(current)) {
- break;
- }
- }
-
- current->state = TASK_RUNNING;
- remove_wait_queue(&dev_priv->flush_queue, &entry);
-
- return;
-}
-
-static int i830_flush_queue(drm_device_t *dev)
-{
- DECLARE_WAITQUEUE(entry, current);
- drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
- drm_device_dma_t *dma = dev->dma;
- unsigned long end;
- int i, ret = 0;
-
- if(dev_priv == NULL) {
- return 0;
- }
- atomic_set(&dev_priv->flush_done, 0);
- add_wait_queue(&dev_priv->flush_queue, &entry);
- end = jiffies + (HZ*3);
- for (;;) {
- current->state = TASK_INTERRUPTIBLE;
- i830_dma_emit_flush(dev);
- if (atomic_read(&dev_priv->flush_done) == 1) break;
- if((signed)(end - jiffies) <= 0) {
- DRM_ERROR("lockup\n");
- break;
- }
- schedule_timeout(HZ*3);
- if (signal_pending(current)) {
- ret = -EINTR; /* Can't restart */
- break;
- }
- }
-
- current->state = TASK_RUNNING;
- remove_wait_queue(&dev_priv->flush_queue, &entry);
-
-
- for (i = 0; i < dma->buf_count; i++) {
- drm_buf_t *buf = dma->buflist[ i ];
- drm_i830_buf_priv_t *buf_priv = buf->dev_private;
-
- int used = cmpxchg(buf_priv->in_use, I830_BUF_HARDWARE,
- I830_BUF_FREE);
-
- if (used == I830_BUF_HARDWARE)
- DRM_DEBUG("reclaimed from HARDWARE\n");
- if (used == I830_BUF_CLIENT)
- DRM_DEBUG("still on client HARDWARE\n");
- }
-
- return ret;
-}
-
-/* Must be called with the lock held */
-void i830_reclaim_buffers(drm_device_t *dev, pid_t pid)
-{
- drm_device_dma_t *dma = dev->dma;
- int i;
-
- if (!dma) return;
- if (!dev->dev_private) return;
- if (!dma->buflist) return;
-
- i830_flush_queue(dev);
-
- for (i = 0; i < dma->buf_count; i++) {
- drm_buf_t *buf = dma->buflist[ i ];
- drm_i830_buf_priv_t *buf_priv = buf->dev_private;
-
- if (buf->pid == pid && buf_priv) {
- int used = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT,
- I830_BUF_FREE);
-
- if (used == I830_BUF_CLIENT)
- DRM_DEBUG("reclaimed from client\n");
- if(buf_priv->currently_mapped == I830_BUF_MAPPED)
- buf_priv->currently_mapped = I830_BUF_UNMAPPED;
- }
- }
-}
-
-int i830_flush_ioctl(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
-
- DRM_DEBUG("i830_flush_ioctl\n");
- if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
- DRM_ERROR("i830_flush_ioctl called without lock held\n");
- return -EINVAL;
- }
-
- i830_flush_queue(dev);
- return 0;
-}
-
-int i830_dma_vertex(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
- drm_device_dma_t *dma = dev->dma;
- drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
- u32 *hw_status = (u32 *)dev_priv->hw_status_page;
- drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *)
- dev_priv->sarea_priv;
- drm_i830_vertex_t vertex;
-
- if (copy_from_user(&vertex, (drm_i830_vertex_t *)arg, sizeof(vertex)))
- return -EFAULT;
-
- if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
- DRM_ERROR("i830_dma_vertex called without lock held\n");
- return -EINVAL;
- }
-
- DRM_DEBUG("i830 dma vertex, idx %d used %d discard %d\n",
- vertex.idx, vertex.used, vertex.discard);
-
- if(vertex.idx < 0 || vertex.idx > dma->buf_count) return -EINVAL;
-
- i830_dma_dispatch_vertex( dev,
- dma->buflist[ vertex.idx ],
- vertex.discard, vertex.used );
-
- sarea_priv->last_enqueue = dev_priv->counter-1;
- sarea_priv->last_dispatch = (int) hw_status[5];
-
- return 0;
-}
-
-int i830_clear_bufs(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
- drm_i830_clear_t clear;
-
- if (copy_from_user(&clear, (drm_i830_clear_t *)arg, sizeof(clear)))
- return -EFAULT;
-
- if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
- DRM_ERROR("i830_clear_bufs called without lock held\n");
- return -EINVAL;
- }
-
- /* GH: Someone's doing nasty things... */
- if (!dev->dev_private) {
- return -EINVAL;
- }
-
- i830_dma_dispatch_clear( dev, clear.flags,
- clear.clear_color,
- clear.clear_depth,
- clear.clear_depthmask);
- return 0;
-}
-
-int i830_swap_bufs(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
-
- DRM_DEBUG("i830_swap_bufs\n");
-
- if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
- DRM_ERROR("i830_swap_buf called without lock held\n");
- return -EINVAL;
- }
-
- i830_dma_dispatch_swap( dev );
- return 0;
-}
-
-int i830_getage(struct inode *inode, struct file *filp, unsigned int cmd,
- unsigned long arg)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
- drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
- u32 *hw_status = (u32 *)dev_priv->hw_status_page;
- drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *)
- dev_priv->sarea_priv;
-
- sarea_priv->last_dispatch = (int) hw_status[5];
- return 0;
-}
-
-int i830_getbuf(struct inode *inode, struct file *filp, unsigned int cmd,
- unsigned long arg)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
- int retcode = 0;
- drm_i830_dma_t d;
- drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
- u32 *hw_status = (u32 *)dev_priv->hw_status_page;
- drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *)
- dev_priv->sarea_priv;
-
- DRM_DEBUG("getbuf\n");
- if (copy_from_user(&d, (drm_i830_dma_t *)arg, sizeof(d)))
- return -EFAULT;
-
- if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
- DRM_ERROR("i830_dma called without lock held\n");
- return -EINVAL;
- }
-
- d.granted = 0;
-
- retcode = i830_dma_get_buffer(dev, &d, filp);
-
- DRM_DEBUG("i830_dma: %d returning %d, granted = %d\n",
- current->pid, retcode, d.granted);
-
- if (copy_to_user((drm_dma_t *)arg, &d, sizeof(d)))
- return -EFAULT;
- sarea_priv->last_dispatch = (int) hw_status[5];
-
- return retcode;
-}
-
-int i830_copybuf(struct inode *inode, struct file *filp, unsigned int cmd,
- unsigned long arg)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
- drm_i830_copy_t d;
- drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
- u32 *hw_status = (u32 *)dev_priv->hw_status_page;
- drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *)
- dev_priv->sarea_priv;
- drm_buf_t *buf;
- drm_i830_buf_priv_t *buf_priv;
- drm_device_dma_t *dma = dev->dma;
-
- if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
- DRM_ERROR("i830_dma called without lock held\n");
- return -EINVAL;
- }
-
- if (copy_from_user(&d, (drm_i830_copy_t *)arg, sizeof(d)))
- return -EFAULT;
-
- if(d.idx < 0 || d.idx > dma->buf_count) return -EINVAL;
- buf = dma->buflist[ d.idx ];
- buf_priv = buf->dev_private;
- if (buf_priv->currently_mapped != I830_BUF_MAPPED) return -EPERM;
-
- if(d.used < 0 || d.used > buf->total) return -EINVAL;
-
- if (copy_from_user(buf_priv->virtual, d.address, d.used))
- return -EFAULT;
-
- sarea_priv->last_dispatch = (int) hw_status[5];
-
- return 0;
-}
-
-int i830_docopy(struct inode *inode, struct file *filp, unsigned int cmd,
- unsigned long arg)
-{
- if(VM_DONTCOPY == 0) return 1;
- return 0;
-}
+++ /dev/null
-/* i830_drv.c -- I810 driver -*- linux-c -*-
- * Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com
- *
- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Rickard E. (Rik) Faith <faith@valinux.com>
- * Jeff Hartmann <jhartmann@valinux.com>
- * Gareth Hughes <gareth@valinux.com>
- * Abraham vd Merwe <abraham@2d3d.co.za>
- */
-
-#include <linux/config.h>
-#include "i830.h"
-#include "drmP.h"
-#include "drm.h"
-#include "i830_drm.h"
-#include "i830_drv.h"
-
-#define DRIVER_AUTHOR "VA Linux Systems Inc."
-
-#define DRIVER_NAME "i830"
-#define DRIVER_DESC "Intel 830M"
-#define DRIVER_DATE "20011004"
-
-#define DRIVER_MAJOR 1
-#define DRIVER_MINOR 2
-#define DRIVER_PATCHLEVEL 0
-
-#define DRIVER_IOCTLS \
- [DRM_IOCTL_NR(DRM_IOCTL_I830_INIT)] = { i830_dma_init, 1, 1 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_I830_VERTEX)] = { i830_dma_vertex, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_I830_CLEAR)] = { i830_clear_bufs, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_I830_FLUSH)] = { i830_flush_ioctl, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_I830_GETAGE)] = { i830_getage, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_I830_GETBUF)] = { i830_getbuf, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_I830_SWAP)] = { i830_swap_bufs, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_I830_COPY)] = { i830_copybuf, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_I830_DOCOPY)] = { i830_docopy, 1, 0 },
-
-#define __HAVE_COUNTERS 4
-#define __HAVE_COUNTER6 _DRM_STAT_IRQ
-#define __HAVE_COUNTER7 _DRM_STAT_PRIMARY
-#define __HAVE_COUNTER8 _DRM_STAT_SECONDARY
-#define __HAVE_COUNTER9 _DRM_STAT_DMA
-
-
-#include "drm_agpsupport.h"
-#include "drm_auth.h"
-#include "drm_bufs.h"
-#include "drm_context.h"
-#include "drm_dma.h"
-#include "drm_drawable.h"
-#include "drm_drv.h"
-
-#ifndef MODULE
-/* DRM(options) is called by the kernel to parse command-line options
- * passed via the boot-loader (e.g., LILO). It calls the insmod option
- * routine, drm_parse_drm.
- */
-
-/* JH- We have to hand expand the string ourselves because of the cpp. If
- * anyone can think of a way that we can fit into the __setup macro without
- * changing it, then please send the solution my way.
- */
-static int __init i830_options( char *str )
-{
- DRM(parse_options)( str );
- return 1;
-}
-
-__setup( DRIVER_NAME "=", i830_options );
-#endif
-
-#include "drm_fops.h"
-#include "drm_init.h"
-#include "drm_ioctl.h"
-#include "drm_lock.h"
-#include "drm_lists.h"
-#include "drm_memory.h"
-#include "drm_proc.h"
-#include "drm_vm.h"
-#include "drm_stub.h"
+++ /dev/null
-/* mga_dma.c -- DMA support for mga g200/g400 -*- linux-c -*-
- * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com
- *
- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Rickard E. (Rik) Faith <faith@valinux.com>
- * Jeff Hartmann <jhartmann@valinux.com>
- * Keith Whitwell <keithw@valinux.com>
- *
- * Rewritten by:
- * Gareth Hughes <gareth@valinux.com>
- */
-
-#define __NO_VERSION__
-#include "mga.h"
-#include "drmP.h"
-#include "drm.h"
-#include "mga_drm.h"
-#include "mga_drv.h"
-
-
-#define MGA_DEFAULT_USEC_TIMEOUT 10000
-#define MGA_FREELIST_DEBUG 0
-
-
-/* ================================================================
- * Engine control
- */
-
-int mga_do_wait_for_idle( drm_mga_private_t *dev_priv )
-{
- u32 status = 0;
- int i;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) {
- status = MGA_READ( MGA_STATUS ) & MGA_ENGINE_IDLE_MASK;
- if ( status == MGA_ENDPRDMASTS ) {
- MGA_WRITE8( MGA_CRTC_INDEX, 0 );
- return 0;
- }
- DRM_OS_DELAY( 1 );
- }
-
-#if MGA_DMA_DEBUG
- DRM_ERROR( "failed!\n" );
- DRM_INFO( " status=0x%08x\n", status );
-#endif
- DRM_OS_RETURN(EBUSY);
-}
-
-int mga_do_dma_idle( drm_mga_private_t *dev_priv )
-{
- u32 status = 0;
- int i;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) {
- status = MGA_READ( MGA_STATUS ) & MGA_DMA_IDLE_MASK;
- if ( status == MGA_ENDPRDMASTS ) return 0;
- DRM_OS_DELAY( 1 );
- }
-
-#if MGA_DMA_DEBUG
- DRM_ERROR( "failed! status=0x%08x\n", status );
-#endif
- DRM_OS_RETURN(EBUSY);
-}
-
-int mga_do_dma_reset( drm_mga_private_t *dev_priv )
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_primary_buffer_t *primary = &dev_priv->prim;
-
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- /* The primary DMA stream should look like new right about now.
- */
- primary->tail = 0;
- primary->space = primary->size;
- primary->last_flush = 0;
-
- sarea_priv->last_wrap = 0;
-
- /* FIXME: Reset counters, buffer ages etc...
- */
-
- /* FIXME: What else do we need to reinitialize? WARP stuff?
- */
-
- return 0;
-}
-
-int mga_do_engine_reset( drm_mga_private_t *dev_priv )
-{
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- /* Okay, so we've completely screwed up and locked the engine.
- * How about we clean up after ourselves?
- */
- MGA_WRITE( MGA_RST, MGA_SOFTRESET );
- DRM_OS_DELAY( 15 ); /* Wait at least 10 usecs */
- MGA_WRITE( MGA_RST, 0 );
-
- /* Initialize the registers that get clobbered by the soft
- * reset. Many of the core register values survive a reset,
- * but the drawing registers are basically all gone.
- *
- * 3D clients should probably die after calling this. The X
- * server should reset the engine state to known values.
- */
-#if 0
- MGA_WRITE( MGA_PRIMPTR,
- virt_to_bus((void *)dev_priv->prim.status_page) |
- MGA_PRIMPTREN0 |
- MGA_PRIMPTREN1 );
-#endif
-
- MGA_WRITE( MGA_ICLEAR, MGA_SOFTRAPICLR );
- MGA_WRITE( MGA_IEN, MGA_SOFTRAPIEN );
-
- /* The primary DMA stream should look like new right about now.
- */
- mga_do_dma_reset( dev_priv );
-
- /* This bad boy will never fail.
- */
- return 0;
-}
-
-
-/* ================================================================
- * Primary DMA stream
- */
-
-void mga_do_dma_flush( drm_mga_private_t *dev_priv )
-{
- drm_mga_primary_buffer_t *primary = &dev_priv->prim;
- u32 head, tail;
- DMA_LOCALS;
- DRM_DEBUG( "%s:\n", __FUNCTION__ );
-
- if ( primary->tail == primary->last_flush ) {
- DRM_DEBUG( " bailing out...\n" );
- return;
- }
-
- tail = primary->tail + dev_priv->primary->offset;
-
- /* We need to pad the stream between flushes, as the card
- * actually (partially?) reads the first of these commands.
- * See page 4-16 in the G400 manual, middle of the page or so.
- */
- BEGIN_DMA( 1 );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000 );
-
- ADVANCE_DMA();
-
- primary->last_flush = primary->tail;
-
- head = MGA_READ( MGA_PRIMADDRESS );
-
- if ( head <= tail ) {
- primary->space = primary->size - primary->tail;
- } else {
- primary->space = head - tail;
- }
-
- DRM_DEBUG( " head = 0x%06lx\n", head - dev_priv->primary->offset );
- DRM_DEBUG( " tail = 0x%06lx\n", tail - dev_priv->primary->offset );
- DRM_DEBUG( " space = 0x%06x\n", primary->space );
-
- mga_flush_write_combine();
- MGA_WRITE( MGA_PRIMEND, tail | MGA_PAGPXFER );
-
- DRM_DEBUG( "%s: done.\n", __FUNCTION__ );
-}
-
-void mga_do_dma_wrap_start( drm_mga_private_t *dev_priv )
-{
- drm_mga_primary_buffer_t *primary = &dev_priv->prim;
- u32 head, tail;
- DMA_LOCALS;
- DRM_DEBUG( "%s:\n", __FUNCTION__ );
-
- BEGIN_DMA_WRAP();
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000 );
-
- ADVANCE_DMA();
-
- tail = primary->tail + dev_priv->primary->offset;
-
- primary->tail = 0;
- primary->last_flush = 0;
- primary->last_wrap++;
-
- head = MGA_READ( MGA_PRIMADDRESS );
-
- if ( head == dev_priv->primary->offset ) {
- primary->space = primary->size;
- } else {
- primary->space = head - dev_priv->primary->offset;
- }
-
- DRM_DEBUG( " head = 0x%06lx\n",
- head - dev_priv->primary->offset );
- DRM_DEBUG( " tail = 0x%06x\n", primary->tail );
- DRM_DEBUG( " wrap = %d\n", primary->last_wrap );
- DRM_DEBUG( " space = 0x%06x\n", primary->space );
-
- mga_flush_write_combine();
- MGA_WRITE( MGA_PRIMEND, tail | MGA_PAGPXFER );
-
- set_bit( 0, &primary->wrapped );
- DRM_DEBUG( "%s: done.\n", __FUNCTION__ );
-}
-
-void mga_do_dma_wrap_end( drm_mga_private_t *dev_priv )
-{
- drm_mga_primary_buffer_t *primary = &dev_priv->prim;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- u32 head = dev_priv->primary->offset;
- DRM_DEBUG( "%s:\n", __FUNCTION__ );
-
- sarea_priv->last_wrap++;
- DRM_DEBUG( " wrap = %d\n", sarea_priv->last_wrap );
-
- mga_flush_write_combine();
- MGA_WRITE( MGA_PRIMADDRESS, head | MGA_DMA_GENERAL );
-
- clear_bit( 0, &primary->wrapped );
- DRM_DEBUG( "%s: done.\n", __FUNCTION__ );
-}
-
-
-/* ================================================================
- * Freelist management
- */
-
-#define MGA_BUFFER_USED ~0
-#define MGA_BUFFER_FREE 0
-
-#if MGA_FREELIST_DEBUG
-static void mga_freelist_print( drm_device_t *dev )
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_freelist_t *entry;
-
- DRM_INFO( "\n" );
- DRM_INFO( "current dispatch: last=0x%x done=0x%x\n",
- dev_priv->sarea_priv->last_dispatch,
- (unsigned int)(MGA_READ( MGA_PRIMADDRESS ) -
- dev_priv->primary->offset) );
- DRM_INFO( "current freelist:\n" );
-
- for ( entry = dev_priv->head->next ; entry ; entry = entry->next ) {
- DRM_INFO( " %p idx=%2d age=0x%x 0x%06lx\n",
- entry, entry->buf->idx, entry->age.head,
- entry->age.head - dev_priv->primary->offset );
- }
- DRM_INFO( "\n" );
-}
-#endif
-
-static int mga_freelist_init( drm_device_t *dev, drm_mga_private_t *dev_priv )
-{
- drm_device_dma_t *dma = dev->dma;
- drm_buf_t *buf;
- drm_mga_buf_priv_t *buf_priv;
- drm_mga_freelist_t *entry;
- int i;
- DRM_DEBUG( "%s: count=%d\n",
- __FUNCTION__, dma->buf_count );
-
- dev_priv->head = DRM(alloc)( sizeof(drm_mga_freelist_t),
- DRM_MEM_DRIVER );
- if ( dev_priv->head == NULL )
- DRM_OS_RETURN(ENOMEM);
-
- memset( dev_priv->head, 0, sizeof(drm_mga_freelist_t) );
- SET_AGE( &dev_priv->head->age, MGA_BUFFER_USED, 0 );
-
- for ( i = 0 ; i < dma->buf_count ; i++ ) {
- buf = dma->buflist[i];
- buf_priv = buf->dev_private;
-
- entry = DRM(alloc)( sizeof(drm_mga_freelist_t),
- DRM_MEM_DRIVER );
- if ( entry == NULL )
- DRM_OS_RETURN(ENOMEM);
-
- memset( entry, 0, sizeof(drm_mga_freelist_t) );
-
- entry->next = dev_priv->head->next;
- entry->prev = dev_priv->head;
- SET_AGE( &entry->age, MGA_BUFFER_FREE, 0 );
- entry->buf = buf;
-
- if ( dev_priv->head->next != NULL )
- dev_priv->head->next->prev = entry;
- if ( entry->next == NULL )
- dev_priv->tail = entry;
-
- buf_priv->list_entry = entry;
- buf_priv->discard = 0;
- buf_priv->dispatched = 0;
-
- dev_priv->head->next = entry;
- }
-
- return 0;
-}
-
-static void mga_freelist_cleanup( drm_device_t *dev )
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_freelist_t *entry;
- drm_mga_freelist_t *next;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- entry = dev_priv->head;
- while ( entry ) {
- next = entry->next;
- DRM(free)( entry, sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER );
- entry = next;
- }
-
- dev_priv->head = dev_priv->tail = NULL;
-}
-
-#if 0
-/* FIXME: Still needed?
- */
-static void mga_freelist_reset( drm_device_t *dev )
-{
- drm_device_dma_t *dma = dev->dma;
- drm_buf_t *buf;
- drm_mga_buf_priv_t *buf_priv;
- int i;
-
- for ( i = 0 ; i < dma->buf_count ; i++ ) {
- buf = dma->buflist[i];
- buf_priv = buf->dev_private;
- SET_AGE( &buf_priv->list_entry->age,
- MGA_BUFFER_FREE, 0 );
- }
-}
-#endif
-
-static drm_buf_t *mga_freelist_get( drm_device_t *dev )
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_freelist_t *next;
- drm_mga_freelist_t *prev;
- drm_mga_freelist_t *tail = dev_priv->tail;
- u32 head, wrap;
- DRM_DEBUG( "%s:\n", __FUNCTION__ );
-
- head = MGA_READ( MGA_PRIMADDRESS );
- wrap = dev_priv->sarea_priv->last_wrap;
-
- DRM_DEBUG( " tail=0x%06lx %d\n",
- tail->age.head ?
- tail->age.head - dev_priv->primary->offset : 0,
- tail->age.wrap );
- DRM_DEBUG( " head=0x%06lx %d\n",
- head - dev_priv->primary->offset, wrap );
-
- if ( TEST_AGE( &tail->age, head, wrap ) ) {
- prev = dev_priv->tail->prev;
- next = dev_priv->tail;
- prev->next = NULL;
- next->prev = next->next = NULL;
- dev_priv->tail = prev;
- SET_AGE( &next->age, MGA_BUFFER_USED, 0 );
- return next->buf;
- }
-
- DRM_DEBUG( "returning NULL!\n" );
- return NULL;
-}
-
-int mga_freelist_put( drm_device_t *dev, drm_buf_t *buf )
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_buf_priv_t *buf_priv = buf->dev_private;
- drm_mga_freelist_t *head, *entry, *prev;
-
- DRM_DEBUG( "%s: age=0x%06lx wrap=%d\n",
- __FUNCTION__,
- buf_priv->list_entry->age.head -
- dev_priv->primary->offset,
- buf_priv->list_entry->age.wrap );
-
- entry = buf_priv->list_entry;
- head = dev_priv->head;
-
- if ( buf_priv->list_entry->age.head == MGA_BUFFER_USED ) {
- SET_AGE( &entry->age, MGA_BUFFER_FREE, 0 );
- prev = dev_priv->tail;
- prev->next = entry;
- entry->prev = prev;
- entry->next = NULL;
- } else {
- prev = head->next;
- head->next = entry;
- prev->prev = entry;
- entry->prev = head;
- entry->next = prev;
- }
-
- return 0;
-}
-
-
-/* ================================================================
- * DMA initialization, cleanup
- */
-
-static int mga_do_init_dma( drm_device_t *dev, drm_mga_init_t *init )
-{
- drm_mga_private_t *dev_priv;
- drm_map_list_entry_t *listentry;
- int ret;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- dev_priv = DRM(alloc)( sizeof(drm_mga_private_t), DRM_MEM_DRIVER );
- if ( !dev_priv )
- DRM_OS_RETURN(ENOMEM);
-
- memset( dev_priv, 0, sizeof(drm_mga_private_t) );
-
- dev_priv->chipset = init->chipset;
-
- dev_priv->usec_timeout = MGA_DEFAULT_USEC_TIMEOUT;
-
- if ( init->sgram ) {
- dev_priv->clear_cmd = MGA_DWGCTL_CLEAR | MGA_ATYPE_BLK;
- } else {
- dev_priv->clear_cmd = MGA_DWGCTL_CLEAR | MGA_ATYPE_RSTR;
- }
- dev_priv->maccess = init->maccess;
-
- dev_priv->fb_cpp = init->fb_cpp;
- dev_priv->front_offset = init->front_offset;
- dev_priv->front_pitch = init->front_pitch;
- dev_priv->back_offset = init->back_offset;
- dev_priv->back_pitch = init->back_pitch;
-
- dev_priv->depth_cpp = init->depth_cpp;
- dev_priv->depth_offset = init->depth_offset;
- dev_priv->depth_pitch = init->depth_pitch;
-
- /* FIXME: Need to support AGP textures...
- */
- dev_priv->texture_offset = init->texture_offset[0];
- dev_priv->texture_size = init->texture_size[0];
-
- TAILQ_FOREACH(listentry, dev->maplist, link) {
- drm_map_t *map = listentry->map;
- if (map->type == _DRM_SHM &&
- map->flags & _DRM_CONTAINS_LOCK) {
- dev_priv->sarea = map;
- break;
- }
- }
-
- if(!dev_priv->sarea) {
- DRM_ERROR( "failed to find sarea!\n" );
- /* Assign dev_private so we can do cleanup. */
- dev->dev_private = (void *)dev_priv;
- mga_do_cleanup_dma( dev );
- DRM_OS_RETURN(EINVAL);
- }
-
-
- DRM_FIND_MAP( dev_priv->fb, init->fb_offset );
- if(!dev_priv->fb) {
- DRM_ERROR( "failed to find framebuffer!\n" );
- /* Assign dev_private so we can do cleanup. */
- dev->dev_private = (void *)dev_priv;
- mga_do_cleanup_dma( dev );
- DRM_OS_RETURN(EINVAL);
- }
- DRM_FIND_MAP( dev_priv->mmio, init->mmio_offset );
- if(!dev_priv->mmio) {
- DRM_ERROR( "failed to find mmio region!\n" );
- /* Assign dev_private so we can do cleanup. */
- dev->dev_private = (void *)dev_priv;
- mga_do_cleanup_dma( dev );
- DRM_OS_RETURN(EINVAL);
- }
- DRM_FIND_MAP( dev_priv->status, init->status_offset );
- if(!dev_priv->status) {
- DRM_ERROR( "failed to find status page!\n" );
- /* Assign dev_private so we can do cleanup. */
- dev->dev_private = (void *)dev_priv;
- mga_do_cleanup_dma( dev );
- DRM_OS_RETURN(EINVAL);
- }
- DRM_FIND_MAP( dev_priv->warp, init->warp_offset );
- if(!dev_priv->warp) {
- DRM_ERROR( "failed to find warp microcode region!\n" );
- /* Assign dev_private so we can do cleanup. */
- dev->dev_private = (void *)dev_priv;
- mga_do_cleanup_dma( dev );
- DRM_OS_RETURN(EINVAL);
- }
- DRM_FIND_MAP( dev_priv->primary, init->primary_offset );
- if(!dev_priv->primary) {
- DRM_ERROR( "failed to find primary dma region!\n" );
- /* Assign dev_private so we can do cleanup. */
- dev->dev_private = (void *)dev_priv;
- mga_do_cleanup_dma( dev );
- DRM_OS_RETURN(EINVAL);
- }
- DRM_FIND_MAP( dev_priv->buffers, init->buffers_offset );
- if(!dev_priv->buffers) {
- DRM_ERROR( "failed to find dma buffer region!\n" );
- /* Assign dev_private so we can do cleanup. */
- dev->dev_private = (void *)dev_priv;
- mga_do_cleanup_dma( dev );
- DRM_OS_RETURN(EINVAL);
- }
-
- dev_priv->sarea_priv =
- (drm_mga_sarea_t *)((u8 *)dev_priv->sarea->handle +
- init->sarea_priv_offset);
-
- DRM_IOREMAP( dev_priv->warp );
- DRM_IOREMAP( dev_priv->primary );
- DRM_IOREMAP( dev_priv->buffers );
-
- if(!dev_priv->warp->handle ||
- !dev_priv->primary->handle ||
- !dev_priv->buffers->handle ) {
- DRM_ERROR( "failed to ioremap agp regions!\n" );
- /* Assign dev_private so we can do cleanup. */
- dev->dev_private = (void *)dev_priv;
- mga_do_cleanup_dma( dev );
- DRM_OS_RETURN(ENOMEM);
- }
-
- ret = mga_warp_install_microcode( dev_priv );
- if ( ret < 0 ) {
- DRM_ERROR( "failed to install WARP ucode!\n" );
- /* Assign dev_private so we can do cleanup. */
- dev->dev_private = (void *)dev_priv;
- mga_do_cleanup_dma( dev );
- DRM_OS_RETURN(ret);
- }
-
- ret = mga_warp_init( dev_priv );
- if ( ret < 0 ) {
- DRM_ERROR( "failed to init WARP engine!\n" );
- /* Assign dev_private so we can do cleanup. */
- dev->dev_private = (void *)dev_priv;
- mga_do_cleanup_dma( dev );
- DRM_OS_RETURN(ret);
- }
-
- dev_priv->prim.status = (u32 *)dev_priv->status->handle;
-
- mga_do_wait_for_idle( dev_priv );
-
- /* Init the primary DMA registers.
- */
- MGA_WRITE( MGA_PRIMADDRESS,
- dev_priv->primary->offset | MGA_DMA_GENERAL );
-#if 0
- MGA_WRITE( MGA_PRIMPTR,
- virt_to_bus((void *)dev_priv->prim.status) |
- MGA_PRIMPTREN0 | /* Soft trap, SECEND, SETUPEND */
- MGA_PRIMPTREN1 ); /* DWGSYNC */
-#endif
-
- dev_priv->prim.start = (u8 *)dev_priv->primary->handle;
- dev_priv->prim.end = ((u8 *)dev_priv->primary->handle
- + dev_priv->primary->size);
- dev_priv->prim.size = dev_priv->primary->size;
-
- dev_priv->prim.tail = 0;
- dev_priv->prim.space = dev_priv->prim.size;
- dev_priv->prim.wrapped = 0;
-
- dev_priv->prim.last_flush = 0;
- dev_priv->prim.last_wrap = 0;
-
- dev_priv->prim.high_mark = 256 * DMA_BLOCK_SIZE;
-
-
- dev_priv->prim.status[0] = dev_priv->primary->offset;
- dev_priv->prim.status[1] = 0;
-
- dev_priv->sarea_priv->last_wrap = 0;
- dev_priv->sarea_priv->last_frame.head = 0;
- dev_priv->sarea_priv->last_frame.wrap = 0;
-
- if ( mga_freelist_init( dev, dev_priv ) < 0 ) {
- DRM_ERROR( "could not initialize freelist\n" );
- /* Assign dev_private so we can do cleanup. */
- dev->dev_private = (void *)dev_priv;
- mga_do_cleanup_dma( dev );
- DRM_OS_RETURN(ENOMEM);
- }
-
- /* Make dev_private visable to others. */
- dev->dev_private = (void *)dev_priv;
- return 0;
-}
-
-int mga_do_cleanup_dma( drm_device_t *dev )
-{
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- if ( dev->dev_private ) {
- drm_mga_private_t *dev_priv = dev->dev_private;
-
- DRM_IOREMAPFREE( dev_priv->warp );
- DRM_IOREMAPFREE( dev_priv->primary );
- DRM_IOREMAPFREE( dev_priv->buffers );
-
- if ( dev_priv->head != NULL ) {
- mga_freelist_cleanup( dev );
- }
-
- DRM(free)( dev->dev_private, sizeof(drm_mga_private_t),
- DRM_MEM_DRIVER );
- dev->dev_private = NULL;
- }
-
- return 0;
-}
-
-int mga_dma_init( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_mga_init_t init;
-
- DRM_OS_KRNFROMUSR( init, (drm_mga_init_t *) data, sizeof(init) );
-
- switch ( init.func ) {
- case MGA_INIT_DMA:
- return mga_do_init_dma( dev, &init );
- case MGA_CLEANUP_DMA:
- return mga_do_cleanup_dma( dev );
- }
-
- DRM_OS_RETURN( EINVAL );
-}
-
-
-/* ================================================================
- * Primary DMA stream management
- */
-
-int mga_dma_flush( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
- drm_lock_t lock;
-
- LOCK_TEST_WITH_RETURN( dev );
-
- DRM_OS_KRNFROMUSR( lock, (drm_lock_t *) data, sizeof(lock) );
-
- DRM_DEBUG( "%s: %s%s%s\n",
- __FUNCTION__,
- (lock.flags & _DRM_LOCK_FLUSH) ? "flush, " : "",
- (lock.flags & _DRM_LOCK_FLUSH_ALL) ? "flush all, " : "",
- (lock.flags & _DRM_LOCK_QUIESCENT) ? "idle, " : "" );
-
- WRAP_WAIT_WITH_RETURN( dev_priv );
-
- if ( lock.flags & (_DRM_LOCK_FLUSH | _DRM_LOCK_FLUSH_ALL) ) {
- mga_do_dma_flush( dev_priv );
- }
-
- if ( lock.flags & _DRM_LOCK_QUIESCENT ) {
-#if MGA_DMA_DEBUG
- int ret = mga_do_wait_for_idle( dev_priv );
- if ( ret )
- DRM_INFO( __FUNCTION__": -EBUSY\n" );
- return ret;
-#else
- return mga_do_wait_for_idle( dev_priv );
-#endif
- } else {
- return 0;
- }
-}
-
-int mga_dma_reset( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
-
- LOCK_TEST_WITH_RETURN( dev );
-
- return mga_do_dma_reset( dev_priv );
-}
-
-
-/* ================================================================
- * DMA buffer management
- */
-
-#if 0
-static int mga_dma_get_buffers( drm_device_t *dev, drm_dma_t *d )
-{
- drm_buf_t *buf;
- int i;
-
- for ( i = d->granted_count ; i < d->request_count ; i++ ) {
- buf = mga_freelist_get( dev );
- if ( !buf )
- DRM_OS_RETURN( EAGAIN );
-
- buf->pid = current->pid;
-
- if ( DRM_OS_COPYTOUSR( &d->request_indices[i],
- &buf->idx, sizeof(buf->idx) ) )
- DRM_OS_RETURN( EFAULT );
- if ( DRM_OS_COPYTOUSR( &d->request_sizes[i],
- &buf->total, sizeof(buf->total) ) )
- DRM_OS_RETURN( EFAULT );
-
- d->granted_count++;
- }
- return 0;
-}
-#endif /* 0 */
-
-int mga_dma_buffers( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_device_dma_t *dma = dev->dma;
- drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
- drm_dma_t d;
- drm_buf_t *buf;
- int i;
- int ret = 0;
-
- LOCK_TEST_WITH_RETURN( dev );
-
- DRM_OS_KRNFROMUSR( d, (drm_dma_t *) data, sizeof(d) );
-
- /* Please don't send us buffers.
- */
- if ( d.send_count != 0 ) {
- DRM_ERROR( "Process %d trying to send %d buffers via drmDMA\n",
- DRM_OS_CURRENTPID, d.send_count );
- DRM_OS_RETURN( EINVAL );
- }
-
- /* We'll send you buffers.
- */
- if ( d.request_count < 0 || d.request_count > dma->buf_count ) {
- DRM_ERROR( "Process %d trying to get %d buffers (of %d max)\n",
- DRM_OS_CURRENTPID, d.request_count, dma->buf_count );
- DRM_OS_RETURN( EINVAL );
- }
-
- WRAP_TEST_WITH_RETURN( dev_priv );
-
- d.granted_count = 0;
-
- if ( d.request_count ) {
- for ( i = d.granted_count ; i < d.request_count ; i++ ) {
- buf = mga_freelist_get( dev );
- if ( !buf )
- DRM_OS_RETURN( EAGAIN );
-
- buf->pid = DRM_OS_CURRENTPID;
-
- if ( DRM_OS_COPYTOUSR( &d.request_indices[i],
- &buf->idx, sizeof(buf->idx) ) )
- DRM_OS_RETURN( EFAULT );
- if ( DRM_OS_COPYTOUSR( &d.request_sizes[i],
- &buf->total, sizeof(buf->total) ) )
- DRM_OS_RETURN( EFAULT );
-
- d.granted_count++;
- }
- ret = 0;
- }
-
- DRM_OS_KRNTOUSR( (drm_dma_t *) data, d, sizeof(d) );
-
- return ret;
-}
+++ /dev/null
-/* mga_drv.c -- Matrox G200/G400 driver -*- linux-c -*-
- * Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com
- *
- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Rickard E. (Rik) Faith <faith@valinux.com>
- * Gareth Hughes <gareth@valinux.com>
- */
-
-
-#include <sys/types.h>
-#include <sys/bus.h>
-#include <pci/pcivar.h>
-#include <opt_drm_linux.h>
-
-#include "mga.h"
-#include "drmP.h"
-#include "drm.h"
-#include "mga_drm.h"
-#include "mga_drv.h"
-
-#define DRIVER_AUTHOR "Gareth Hughes, VA Linux Systems Inc."
-
-#define DRIVER_NAME "mga"
-#define DRIVER_DESC "Matrox G200/G400"
-#define DRIVER_DATE "20010321"
-
-#define DRIVER_MAJOR 3
-#define DRIVER_MINOR 0
-#define DRIVER_PATCHLEVEL 2
-
-/* List acquired from http://www.yourvote.com/pci/pcihdr.h and xc/xc/programs/Xserver/hw/xfree86/common/xf86PciInfo.h
- * Please report to anholt@teleport.com inaccuracies or if a chip you have works that is marked unsupported here.
- */
-drm_chipinfo_t DRM(devicelist)[] = {
- {0x102b, 0x0520, 0, "Matrox G200 (PCI)"},
- {0x102b, 0x0521, 1, "Matrox G200 (AGP)"},
- {0x102b, 0x0525, 1, "Matrox G400 (AGP)"},
- {0, 0, 0, NULL}
-};
-
-#define DRIVER_IOCTLS \
- [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { mga_dma_buffers, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_MGA_INIT)] = { mga_dma_init, 1, 1 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_MGA_FLUSH)] = { mga_dma_flush, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_MGA_RESET)] = { mga_dma_reset, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_MGA_SWAP)] = { mga_dma_swap, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_MGA_CLEAR)] = { mga_dma_clear, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_MGA_VERTEX)] = { mga_dma_vertex, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_MGA_INDICES)] = { mga_dma_indices, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_MGA_ILOAD)] = { mga_dma_iload, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_MGA_BLIT)] = { mga_dma_blit, 1, 0 },
-
-
-#define __HAVE_COUNTERS 3
-#define __HAVE_COUNTER6 _DRM_STAT_IRQ
-#define __HAVE_COUNTER7 _DRM_STAT_PRIMARY
-#define __HAVE_COUNTER8 _DRM_STAT_SECONDARY
-
-
-#include "drm_agpsupport.h"
-#include "drm_auth.h"
-#include "drm_bufs.h"
-#include "drm_context.h"
-#include "drm_dma.h"
-#include "drm_drawable.h"
-#include "drm_drv.h"
-
-
-#include "drm_fops.h"
-#include "drm_init.h"
-#include "drm_ioctl.h"
-#include "drm_lock.h"
-#include "drm_memory.h"
-#include "drm_vm.h"
-#include "drm_sysctl.h"
-
-DRIVER_MODULE(mga, pci, mga_driver, mga_devclass, 0, 0);
+++ /dev/null
-/* mga_state.c -- State support for MGA G200/G400 -*- linux-c -*-
- * Created: Thu Jan 27 02:53:43 2000 by jhartmann@precisioninsight.com
- *
- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Jeff Hartmann <jhartmann@valinux.com>
- * Keith Whitwell <keithw@valinux.com>
- *
- * Rewritten by:
- * Gareth Hughes <gareth@valinux.com>
- */
-
-#define __NO_VERSION__
-#include "mga.h"
-#include "drmP.h"
-#include "drm.h"
-#include "mga_drm.h"
-#include "mga_drv.h"
-#include "drm.h"
-
-
-/* ================================================================
- * DMA hardware state programming functions
- */
-
-static void mga_emit_clip_rect( drm_mga_private_t *dev_priv,
- drm_clip_rect_t *box )
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
- unsigned int pitch = dev_priv->front_pitch;
- DMA_LOCALS;
-
- BEGIN_DMA( 2 );
-
- /* Force reset of DWGCTL on G400 (eliminates clip disable bit).
- */
- if ( dev_priv->chipset == MGA_CARD_TYPE_G400 ) {
- DMA_BLOCK( MGA_DWGCTL, ctx->dwgctl,
- MGA_LEN + MGA_EXEC, 0x80000000,
- MGA_DWGCTL, ctx->dwgctl,
- MGA_LEN + MGA_EXEC, 0x80000000 );
- }
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_CXBNDRY, (box->x2 << 16) | box->x1,
- MGA_YTOP, box->y1 * pitch,
- MGA_YBOT, box->y2 * pitch );
-
- ADVANCE_DMA();
-}
-
-static __inline__ void mga_g200_emit_context( drm_mga_private_t *dev_priv )
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
- DMA_LOCALS;
-
- BEGIN_DMA( 3 );
-
- DMA_BLOCK( MGA_DSTORG, ctx->dstorg,
- MGA_MACCESS, ctx->maccess,
- MGA_PLNWT, ctx->plnwt,
- MGA_DWGCTL, ctx->dwgctl );
-
- DMA_BLOCK( MGA_ALPHACTRL, ctx->alphactrl,
- MGA_FOGCOL, ctx->fogcolor,
- MGA_WFLAG, ctx->wflag,
- MGA_ZORG, dev_priv->depth_offset );
-
- DMA_BLOCK( MGA_FCOL, ctx->fcol,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000 );
-
- ADVANCE_DMA();
-}
-
-static __inline__ void mga_g400_emit_context( drm_mga_private_t *dev_priv )
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
- DMA_LOCALS;
-
- BEGIN_DMA( 4 );
-
- DMA_BLOCK( MGA_DSTORG, ctx->dstorg,
- MGA_MACCESS, ctx->maccess,
- MGA_PLNWT, ctx->plnwt,
- MGA_DWGCTL, ctx->dwgctl );
-
- DMA_BLOCK( MGA_ALPHACTRL, ctx->alphactrl,
- MGA_FOGCOL, ctx->fogcolor,
- MGA_WFLAG, ctx->wflag,
- MGA_ZORG, dev_priv->depth_offset );
-
- DMA_BLOCK( MGA_WFLAG1, ctx->wflag,
- MGA_TDUALSTAGE0, ctx->tdualstage0,
- MGA_TDUALSTAGE1, ctx->tdualstage1,
- MGA_FCOL, ctx->fcol );
-
- DMA_BLOCK( MGA_STENCIL, ctx->stencil,
- MGA_STENCILCTL, ctx->stencilctl,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000 );
-
- ADVANCE_DMA();
-}
-
-static __inline__ void mga_g200_emit_tex0( drm_mga_private_t *dev_priv )
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[0];
- DMA_LOCALS;
-
- BEGIN_DMA( 4 );
-
- DMA_BLOCK( MGA_TEXCTL2, tex->texctl2,
- MGA_TEXCTL, tex->texctl,
- MGA_TEXFILTER, tex->texfilter,
- MGA_TEXBORDERCOL, tex->texbordercol );
-
- DMA_BLOCK( MGA_TEXORG, tex->texorg,
- MGA_TEXORG1, tex->texorg1,
- MGA_TEXORG2, tex->texorg2,
- MGA_TEXORG3, tex->texorg3 );
-
- DMA_BLOCK( MGA_TEXORG4, tex->texorg4,
- MGA_TEXWIDTH, tex->texwidth,
- MGA_TEXHEIGHT, tex->texheight,
- MGA_WR24, tex->texwidth );
-
- DMA_BLOCK( MGA_WR34, tex->texheight,
- MGA_TEXTRANS, 0x0000ffff,
- MGA_TEXTRANSHIGH, 0x0000ffff,
- MGA_DMAPAD, 0x00000000 );
-
- ADVANCE_DMA();
-}
-
-static __inline__ void mga_g400_emit_tex0( drm_mga_private_t *dev_priv )
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[0];
- DMA_LOCALS;
-
-/* printk("mga_g400_emit_tex0 %x %x %x\n", tex->texorg, */
-/* tex->texctl, tex->texctl2); */
-
- BEGIN_DMA( 6 );
-
- DMA_BLOCK( MGA_TEXCTL2, tex->texctl2 | MGA_G400_TC2_MAGIC,
- MGA_TEXCTL, tex->texctl,
- MGA_TEXFILTER, tex->texfilter,
- MGA_TEXBORDERCOL, tex->texbordercol );
-
- DMA_BLOCK( MGA_TEXORG, tex->texorg,
- MGA_TEXORG1, tex->texorg1,
- MGA_TEXORG2, tex->texorg2,
- MGA_TEXORG3, tex->texorg3 );
-
- DMA_BLOCK( MGA_TEXORG4, tex->texorg4,
- MGA_TEXWIDTH, tex->texwidth,
- MGA_TEXHEIGHT, tex->texheight,
- MGA_WR49, 0x00000000 );
-
- DMA_BLOCK( MGA_WR57, 0x00000000,
- MGA_WR53, 0x00000000,
- MGA_WR61, 0x00000000,
- MGA_WR52, MGA_G400_WR_MAGIC );
-
- DMA_BLOCK( MGA_WR60, MGA_G400_WR_MAGIC,
- MGA_WR54, tex->texwidth | MGA_G400_WR_MAGIC,
- MGA_WR62, tex->texheight | MGA_G400_WR_MAGIC,
- MGA_DMAPAD, 0x00000000 );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_TEXTRANS, 0x0000ffff,
- MGA_TEXTRANSHIGH, 0x0000ffff );
-
- ADVANCE_DMA();
-}
-
-static __inline__ void mga_g400_emit_tex1( drm_mga_private_t *dev_priv )
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[1];
- DMA_LOCALS;
-
-/* printk("mga_g400_emit_tex1 %x %x %x\n", tex->texorg, */
-/* tex->texctl, tex->texctl2); */
-
- BEGIN_DMA( 5 );
-
- DMA_BLOCK( MGA_TEXCTL2, (tex->texctl2 |
- MGA_MAP1_ENABLE |
- MGA_G400_TC2_MAGIC),
- MGA_TEXCTL, tex->texctl,
- MGA_TEXFILTER, tex->texfilter,
- MGA_TEXBORDERCOL, tex->texbordercol );
-
- DMA_BLOCK( MGA_TEXORG, tex->texorg,
- MGA_TEXORG1, tex->texorg1,
- MGA_TEXORG2, tex->texorg2,
- MGA_TEXORG3, tex->texorg3 );
-
- DMA_BLOCK( MGA_TEXORG4, tex->texorg4,
- MGA_TEXWIDTH, tex->texwidth,
- MGA_TEXHEIGHT, tex->texheight,
- MGA_WR49, 0x00000000 );
-
- DMA_BLOCK( MGA_WR57, 0x00000000,
- MGA_WR53, 0x00000000,
- MGA_WR61, 0x00000000,
- MGA_WR52, tex->texwidth | MGA_G400_WR_MAGIC );
-
- DMA_BLOCK( MGA_WR60, tex->texheight | MGA_G400_WR_MAGIC,
- MGA_TEXTRANS, 0x0000ffff,
- MGA_TEXTRANSHIGH, 0x0000ffff,
- MGA_TEXCTL2, tex->texctl2 | MGA_G400_TC2_MAGIC );
-
- ADVANCE_DMA();
-}
-
-static __inline__ void mga_g200_emit_pipe( drm_mga_private_t *dev_priv )
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- unsigned int pipe = sarea_priv->warp_pipe;
- DMA_LOCALS;
-
- BEGIN_DMA( 3 );
-
- DMA_BLOCK( MGA_WIADDR, MGA_WMODE_SUSPEND,
- MGA_WVRTXSZ, 0x00000007,
- MGA_WFLAG, 0x00000000,
- MGA_WR24, 0x00000000 );
-
- DMA_BLOCK( MGA_WR25, 0x00000100,
- MGA_WR34, 0x00000000,
- MGA_WR42, 0x0000ffff,
- MGA_WR60, 0x0000ffff );
-
- /* Padding required to to hardware bug.
- */
- DMA_BLOCK( MGA_DMAPAD, 0xffffffff,
- MGA_DMAPAD, 0xffffffff,
- MGA_DMAPAD, 0xffffffff,
- MGA_WIADDR, (dev_priv->warp_pipe_phys[pipe] |
- MGA_WMODE_START |
- MGA_WAGP_ENABLE) );
-
- ADVANCE_DMA();
-}
-
-static __inline__ void mga_g400_emit_pipe( drm_mga_private_t *dev_priv )
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- unsigned int pipe = sarea_priv->warp_pipe;
- DMA_LOCALS;
-
-/* printk("mga_g400_emit_pipe %x\n", pipe); */
-
- BEGIN_DMA( 10 );
-
- DMA_BLOCK( MGA_WIADDR2, MGA_WMODE_SUSPEND,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000 );
-
- if ( pipe & MGA_T2 ) {
- DMA_BLOCK( MGA_WVRTXSZ, 0x00001e09,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000 );
-
- DMA_BLOCK( MGA_WACCEPTSEQ, 0x00000000,
- MGA_WACCEPTSEQ, 0x00000000,
- MGA_WACCEPTSEQ, 0x00000000,
- MGA_WACCEPTSEQ, 0x1e000000 );
- } else {
- if ( dev_priv->warp_pipe & MGA_T2 ) {
- /* Flush the WARP pipe */
- DMA_BLOCK( MGA_YDST, 0x00000000,
- MGA_FXLEFT, 0x00000000,
- MGA_FXRIGHT, 0x00000001,
- MGA_DWGCTL, MGA_DWGCTL_FLUSH );
-
- DMA_BLOCK( MGA_LEN + MGA_EXEC, 0x00000001,
- MGA_DWGSYNC, 0x00007000,
- MGA_TEXCTL2, MGA_G400_TC2_MAGIC,
- MGA_LEN + MGA_EXEC, 0x00000000 );
-
- DMA_BLOCK( MGA_TEXCTL2, (MGA_DUALTEX |
- MGA_G400_TC2_MAGIC),
- MGA_LEN + MGA_EXEC, 0x00000000,
- MGA_TEXCTL2, MGA_G400_TC2_MAGIC,
- MGA_DMAPAD, 0x00000000 );
- }
-
- DMA_BLOCK( MGA_WVRTXSZ, 0x00001807,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000 );
-
- DMA_BLOCK( MGA_WACCEPTSEQ, 0x00000000,
- MGA_WACCEPTSEQ, 0x00000000,
- MGA_WACCEPTSEQ, 0x00000000,
- MGA_WACCEPTSEQ, 0x18000000 );
- }
-
- DMA_BLOCK( MGA_WFLAG, 0x00000000,
- MGA_WFLAG1, 0x00000000,
- MGA_WR56, MGA_G400_WR56_MAGIC,
- MGA_DMAPAD, 0x00000000 );
-
- DMA_BLOCK( MGA_WR49, 0x00000000, /* tex0 */
- MGA_WR57, 0x00000000, /* tex0 */
- MGA_WR53, 0x00000000, /* tex1 */
- MGA_WR61, 0x00000000 ); /* tex1 */
-
- DMA_BLOCK( MGA_WR54, MGA_G400_WR_MAGIC, /* tex0 width */
- MGA_WR62, MGA_G400_WR_MAGIC, /* tex0 height */
- MGA_WR52, MGA_G400_WR_MAGIC, /* tex1 width */
- MGA_WR60, MGA_G400_WR_MAGIC ); /* tex1 height */
-
- /* Padding required to to hardware bug */
- DMA_BLOCK( MGA_DMAPAD, 0xffffffff,
- MGA_DMAPAD, 0xffffffff,
- MGA_DMAPAD, 0xffffffff,
- MGA_WIADDR2, (dev_priv->warp_pipe_phys[pipe] |
- MGA_WMODE_START |
- MGA_WAGP_ENABLE) );
-
- ADVANCE_DMA();
-}
-
-static void mga_g200_emit_state( drm_mga_private_t *dev_priv )
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- unsigned int dirty = sarea_priv->dirty;
-
- if ( sarea_priv->warp_pipe != dev_priv->warp_pipe ) {
- mga_g200_emit_pipe( dev_priv );
- dev_priv->warp_pipe = sarea_priv->warp_pipe;
- }
-
- if ( dirty & MGA_UPLOAD_CONTEXT ) {
- mga_g200_emit_context( dev_priv );
- sarea_priv->dirty &= ~MGA_UPLOAD_CONTEXT;
- }
-
- if ( dirty & MGA_UPLOAD_TEX0 ) {
- mga_g200_emit_tex0( dev_priv );
- sarea_priv->dirty &= ~MGA_UPLOAD_TEX0;
- }
-}
-
-static void mga_g400_emit_state( drm_mga_private_t *dev_priv )
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- unsigned int dirty = sarea_priv->dirty;
- int multitex = sarea_priv->warp_pipe & MGA_T2;
-
- if ( sarea_priv->warp_pipe != dev_priv->warp_pipe ) {
- mga_g400_emit_pipe( dev_priv );
- dev_priv->warp_pipe = sarea_priv->warp_pipe;
- }
-
- if ( dirty & MGA_UPLOAD_CONTEXT ) {
- mga_g400_emit_context( dev_priv );
- sarea_priv->dirty &= ~MGA_UPLOAD_CONTEXT;
- }
-
- if ( dirty & MGA_UPLOAD_TEX0 ) {
- mga_g400_emit_tex0( dev_priv );
- sarea_priv->dirty &= ~MGA_UPLOAD_TEX0;
- }
-
- if ( (dirty & MGA_UPLOAD_TEX1) && multitex ) {
- mga_g400_emit_tex1( dev_priv );
- sarea_priv->dirty &= ~MGA_UPLOAD_TEX1;
- }
-}
-
-
-/* ================================================================
- * SAREA state verification
- */
-
-/* Disallow all write destinations except the front and backbuffer.
- */
-static int mga_verify_context( drm_mga_private_t *dev_priv )
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
-
- if ( ctx->dstorg != dev_priv->front_offset &&
- ctx->dstorg != dev_priv->back_offset ) {
- DRM_ERROR( "*** bad DSTORG: %x (front %x, back %x)\n\n",
- ctx->dstorg, dev_priv->front_offset,
- dev_priv->back_offset );
- ctx->dstorg = 0;
- DRM_OS_RETURN( EINVAL );
- }
-
- return 0;
-}
-
-/* Disallow texture reads from PCI space.
- */
-static int mga_verify_tex( drm_mga_private_t *dev_priv, int unit )
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[unit];
- unsigned int org;
-
- org = tex->texorg & (MGA_TEXORGMAP_MASK | MGA_TEXORGACC_MASK);
-
- if ( org == (MGA_TEXORGMAP_SYSMEM | MGA_TEXORGACC_PCI) ) {
- DRM_ERROR( "*** bad TEXORG: 0x%x, unit %d\n",
- tex->texorg, unit );
- tex->texorg = 0;
- DRM_OS_RETURN( EINVAL );
- }
-
- return 0;
-}
-
-static int mga_verify_state( drm_mga_private_t *dev_priv )
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- unsigned int dirty = sarea_priv->dirty;
- int ret = 0;
-
- if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS )
- sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
-
- if ( dirty & MGA_UPLOAD_CONTEXT )
- ret |= mga_verify_context( dev_priv );
-
- if ( dirty & MGA_UPLOAD_TEX0 )
- ret |= mga_verify_tex( dev_priv, 0 );
-
- if ( dev_priv->chipset == MGA_CARD_TYPE_G400 ) {
- if ( dirty & MGA_UPLOAD_TEX1 )
- ret |= mga_verify_tex( dev_priv, 1 );
-
- if ( dirty & MGA_UPLOAD_PIPE )
- ret |= ( sarea_priv->warp_pipe > MGA_MAX_G400_PIPES );
- } else {
- if ( dirty & MGA_UPLOAD_PIPE )
- ret |= ( sarea_priv->warp_pipe > MGA_MAX_G200_PIPES );
- }
-
- return ( ret == 0 );
-}
-
-static int mga_verify_iload( drm_mga_private_t *dev_priv,
- unsigned int dstorg, unsigned int length )
-{
- if ( dstorg < dev_priv->texture_offset ||
- dstorg + length > (dev_priv->texture_offset +
- dev_priv->texture_size) ) {
- DRM_ERROR( "*** bad iload DSTORG: 0x%x\n", dstorg );
- DRM_OS_RETURN( EINVAL );
- }
-
- if ( length & MGA_ILOAD_MASK ) {
- DRM_ERROR( "*** bad iload length: 0x%x\n",
- length & MGA_ILOAD_MASK );
- DRM_OS_RETURN( EINVAL );
- }
-
- return 0;
-}
-
-static int mga_verify_blit( drm_mga_private_t *dev_priv,
- unsigned int srcorg, unsigned int dstorg )
-{
- if ( (srcorg & 0x3) == (MGA_SRCACC_PCI | MGA_SRCMAP_SYSMEM) ||
- (dstorg & 0x3) == (MGA_SRCACC_PCI | MGA_SRCMAP_SYSMEM) ) {
- DRM_ERROR( "*** bad blit: src=0x%x dst=0x%x\n",
- srcorg, dstorg );
- DRM_OS_RETURN( EINVAL );
- }
- return 0;
-}
-
-
-/* ================================================================
- *
- */
-
-static void mga_dma_dispatch_clear( drm_device_t *dev,
- drm_mga_clear_t *clear )
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
- drm_clip_rect_t *pbox = sarea_priv->boxes;
- int nbox = sarea_priv->nbox;
- int i;
- DMA_LOCALS;
- DRM_DEBUG( __FUNCTION__ ":\n" );
-
- BEGIN_DMA( 1 );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DWGSYNC, 0x00007100,
- MGA_DWGSYNC, 0x00007000 );
-
- ADVANCE_DMA();
-
- for ( i = 0 ; i < nbox ; i++ ) {
- drm_clip_rect_t *box = &pbox[i];
- u32 height = box->y2 - box->y1;
-
- DRM_DEBUG( " from=%d,%d to=%d,%d\n",
- box->x1, box->y1, box->x2, box->y2 );
-
- if ( clear->flags & MGA_FRONT ) {
- BEGIN_DMA( 2 );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_PLNWT, clear->color_mask,
- MGA_YDSTLEN, (box->y1 << 16) | height,
- MGA_FXBNDRY, (box->x2 << 16) | box->x1 );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_FCOL, clear->clear_color,
- MGA_DSTORG, dev_priv->front_offset,
- MGA_DWGCTL + MGA_EXEC,
- dev_priv->clear_cmd );
-
- ADVANCE_DMA();
- }
-
-
- if ( clear->flags & MGA_BACK ) {
- BEGIN_DMA( 2 );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_PLNWT, clear->color_mask,
- MGA_YDSTLEN, (box->y1 << 16) | height,
- MGA_FXBNDRY, (box->x2 << 16) | box->x1 );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_FCOL, clear->clear_color,
- MGA_DSTORG, dev_priv->back_offset,
- MGA_DWGCTL + MGA_EXEC,
- dev_priv->clear_cmd );
-
- ADVANCE_DMA();
- }
-
- if ( clear->flags & MGA_DEPTH ) {
- BEGIN_DMA( 2 );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_PLNWT, clear->depth_mask,
- MGA_YDSTLEN, (box->y1 << 16) | height,
- MGA_FXBNDRY, (box->x2 << 16) | box->x1 );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_FCOL, clear->clear_depth,
- MGA_DSTORG, dev_priv->depth_offset,
- MGA_DWGCTL + MGA_EXEC,
- dev_priv->clear_cmd );
-
- ADVANCE_DMA();
- }
-
- }
-
- BEGIN_DMA( 1 );
-
- /* Force reset of DWGCTL */
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_PLNWT, ctx->plnwt,
- MGA_DWGCTL, ctx->dwgctl );
-
- ADVANCE_DMA();
-
- FLUSH_DMA();
-}
-
-static void mga_dma_dispatch_swap( drm_device_t *dev )
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
- drm_clip_rect_t *pbox = sarea_priv->boxes;
- int nbox = sarea_priv->nbox;
- int i;
- DMA_LOCALS;
- DRM_DEBUG( __FUNCTION__ ":\n" );
-
- sarea_priv->last_frame.head = dev_priv->prim.tail;
- sarea_priv->last_frame.wrap = dev_priv->prim.last_wrap;
-
- BEGIN_DMA( 4 + nbox );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DWGSYNC, 0x00007100,
- MGA_DWGSYNC, 0x00007000 );
-
- DMA_BLOCK( MGA_DSTORG, dev_priv->front_offset,
- MGA_MACCESS, dev_priv->maccess,
- MGA_SRCORG, dev_priv->back_offset,
- MGA_AR5, dev_priv->front_pitch );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_PLNWT, 0xffffffff,
- MGA_DWGCTL, MGA_DWGCTL_COPY );
-
- for ( i = 0 ; i < nbox ; i++ ) {
- drm_clip_rect_t *box = &pbox[i];
- u32 height = box->y2 - box->y1;
- u32 start = box->y1 * dev_priv->front_pitch;
-
- DRM_DEBUG( " from=%d,%d to=%d,%d\n",
- box->x1, box->y1, box->x2, box->y2 );
-
- DMA_BLOCK( MGA_AR0, start + box->x2 - 1,
- MGA_AR3, start + box->x1,
- MGA_FXBNDRY, ((box->x2 - 1) << 16) | box->x1,
- MGA_YDSTLEN + MGA_EXEC,
- (box->y1 << 16) | height );
- }
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_PLNWT, ctx->plnwt,
- MGA_SRCORG, dev_priv->front_offset,
- MGA_DWGCTL, ctx->dwgctl );
-
- ADVANCE_DMA();
-
- FLUSH_DMA();
-
- DRM_DEBUG( "%s... done.\n", __FUNCTION__ );
-}
-
-static void mga_dma_dispatch_vertex( drm_device_t *dev, drm_buf_t *buf )
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_buf_priv_t *buf_priv = buf->dev_private;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- u32 address = (u32) buf->bus_address;
- u32 length = (u32) buf->used;
- int i = 0;
- DMA_LOCALS;
- DRM_DEBUG( "vertex: buf=%d used=%d\n", buf->idx, buf->used );
-
- if ( buf->used ) {
- buf_priv->dispatched = 1;
-
- MGA_EMIT_STATE( dev_priv, sarea_priv->dirty );
-
- do {
- if ( i < sarea_priv->nbox ) {
- mga_emit_clip_rect( dev_priv,
- &sarea_priv->boxes[i] );
- }
-
- BEGIN_DMA( 1 );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_SECADDRESS, (address |
- MGA_DMA_VERTEX),
- MGA_SECEND, ((address + length) |
- MGA_PAGPXFER) );
-
- ADVANCE_DMA();
- } while ( ++i < sarea_priv->nbox );
- }
-
- if ( buf_priv->discard ) {
- AGE_BUFFER( buf_priv );
- buf->pending = 0;
- buf->used = 0;
- buf_priv->dispatched = 0;
-
- mga_freelist_put( dev, buf );
- }
-
- FLUSH_DMA();
-}
-
-static void mga_dma_dispatch_indices( drm_device_t *dev, drm_buf_t *buf,
- unsigned int start, unsigned int end )
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_buf_priv_t *buf_priv = buf->dev_private;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- u32 address = (u32) buf->bus_address;
- int i = 0;
- DMA_LOCALS;
- DRM_DEBUG( "indices: buf=%d start=%d end=%d\n", buf->idx, start, end );
-
- if ( start != end ) {
- buf_priv->dispatched = 1;
-
- MGA_EMIT_STATE( dev_priv, sarea_priv->dirty );
-
- do {
- if ( i < sarea_priv->nbox ) {
- mga_emit_clip_rect( dev_priv,
- &sarea_priv->boxes[i] );
- }
-
- BEGIN_DMA( 1 );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_SETUPADDRESS, address + start,
- MGA_SETUPEND, ((address + end) |
- MGA_PAGPXFER) );
-
- ADVANCE_DMA();
- } while ( ++i < sarea_priv->nbox );
- }
-
- if ( buf_priv->discard ) {
- AGE_BUFFER( buf_priv );
- buf->pending = 0;
- buf->used = 0;
- buf_priv->dispatched = 0;
-
- mga_freelist_put( dev, buf );
- }
-
- FLUSH_DMA();
-}
-
-/* This copies a 64 byte aligned agp region to the frambuffer with a
- * standard blit, the ioctl needs to do checking.
- */
-static void mga_dma_dispatch_iload( drm_device_t *dev, drm_buf_t *buf,
- unsigned int dstorg, unsigned int length )
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_buf_priv_t *buf_priv = buf->dev_private;
- drm_mga_context_regs_t *ctx = &dev_priv->sarea_priv->context_state;
- u32 srcorg = buf->bus_address | MGA_SRCACC_AGP | MGA_SRCMAP_SYSMEM;
- u32 y2;
- DMA_LOCALS;
- DRM_DEBUG( "%s: buf=%d used=%d\n",
- __FUNCTION__, buf->idx, buf->used );
-
- y2 = length / 64;
-
- BEGIN_DMA( 5 );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DWGSYNC, 0x00007100,
- MGA_DWGSYNC, 0x00007000 );
-
- DMA_BLOCK( MGA_DSTORG, dstorg,
- MGA_MACCESS, 0x00000000,
- MGA_SRCORG, srcorg,
- MGA_AR5, 64 );
-
- DMA_BLOCK( MGA_PITCH, 64,
- MGA_PLNWT, 0xffffffff,
- MGA_DMAPAD, 0x00000000,
- MGA_DWGCTL, MGA_DWGCTL_COPY );
-
- DMA_BLOCK( MGA_AR0, 63,
- MGA_AR3, 0,
- MGA_FXBNDRY, (63 << 16) | 0,
- MGA_YDSTLEN + MGA_EXEC, y2 );
-
- DMA_BLOCK( MGA_PLNWT, ctx->plnwt,
- MGA_SRCORG, dev_priv->front_offset,
- MGA_PITCH, dev_priv->front_pitch,
- MGA_DWGSYNC, 0x00007000 );
-
- ADVANCE_DMA();
-
- AGE_BUFFER( buf_priv );
-
- buf->pending = 0;
- buf->used = 0;
- buf_priv->dispatched = 0;
-
- mga_freelist_put( dev, buf );
-
- FLUSH_DMA();
-}
-
-static void mga_dma_dispatch_blit( drm_device_t *dev,
- drm_mga_blit_t *blit )
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
- drm_clip_rect_t *pbox = sarea_priv->boxes;
- int nbox = sarea_priv->nbox;
- u32 scandir = 0, i;
- DMA_LOCALS;
- DRM_DEBUG( __FUNCTION__ ":\n" );
-
- BEGIN_DMA( 4 + nbox );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DWGSYNC, 0x00007100,
- MGA_DWGSYNC, 0x00007000 );
-
- DMA_BLOCK( MGA_DWGCTL, MGA_DWGCTL_COPY,
- MGA_PLNWT, blit->planemask,
- MGA_SRCORG, blit->srcorg,
- MGA_DSTORG, blit->dstorg );
-
- DMA_BLOCK( MGA_SGN, scandir,
- MGA_MACCESS, dev_priv->maccess,
- MGA_AR5, blit->ydir * blit->src_pitch,
- MGA_PITCH, blit->dst_pitch );
-
- for ( i = 0 ; i < nbox ; i++ ) {
- int srcx = pbox[i].x1 + blit->delta_sx;
- int srcy = pbox[i].y1 + blit->delta_sy;
- int dstx = pbox[i].x1 + blit->delta_dx;
- int dsty = pbox[i].y1 + blit->delta_dy;
- int h = pbox[i].y2 - pbox[i].y1;
- int w = pbox[i].x2 - pbox[i].x1 - 1;
- int start;
-
- if ( blit->ydir == -1 ) {
- srcy = blit->height - srcy - 1;
- }
-
- start = srcy * blit->src_pitch + srcx;
-
- DMA_BLOCK( MGA_AR0, start + w,
- MGA_AR3, start,
- MGA_FXBNDRY, ((dstx + w) << 16) | (dstx & 0xffff),
- MGA_YDSTLEN + MGA_EXEC, (dsty << 16) | h );
- }
-
- /* Do something to flush AGP?
- */
-
- /* Force reset of DWGCTL */
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_PLNWT, ctx->plnwt,
- MGA_PITCH, dev_priv->front_pitch,
- MGA_DWGCTL, ctx->dwgctl );
-
- ADVANCE_DMA();
-}
-
-
-/* ================================================================
- *
- */
-
-int mga_dma_clear( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_clear_t clear;
-
- LOCK_TEST_WITH_RETURN( dev );
-
- DRM_OS_KRNFROMUSR( clear, (drm_mga_clear_t *) data, sizeof(clear) );
-
- if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS )
- sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
-
- WRAP_TEST_WITH_RETURN( dev_priv );
-
- mga_dma_dispatch_clear( dev, &clear );
-
- /* Make sure we restore the 3D state next time.
- */
- dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
-
- return 0;
-}
-
-int mga_dma_swap( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
-
- LOCK_TEST_WITH_RETURN( dev );
-
- if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS )
- sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
-
- WRAP_TEST_WITH_RETURN( dev_priv );
-
- mga_dma_dispatch_swap( dev );
-
- /* Make sure we restore the 3D state next time.
- */
- dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
-
- return 0;
-}
-
-int mga_dma_vertex( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_device_dma_t *dma = dev->dma;
- drm_buf_t *buf;
- drm_mga_buf_priv_t *buf_priv;
- drm_mga_vertex_t vertex;
-
- LOCK_TEST_WITH_RETURN( dev );
-
- DRM_OS_KRNFROMUSR( vertex, (drm_mga_vertex_t *) data, sizeof(vertex) );
-
- if(vertex.idx < 0 || vertex.idx > dma->buf_count) DRM_OS_RETURN( EINVAL );
- buf = dma->buflist[vertex.idx];
- buf_priv = buf->dev_private;
-
- buf->used = vertex.used;
- buf_priv->discard = vertex.discard;
-
- if ( !mga_verify_state( dev_priv ) ) {
- if ( vertex.discard ) {
- if ( buf_priv->dispatched == 1 )
- AGE_BUFFER( buf_priv );
- buf_priv->dispatched = 0;
- mga_freelist_put( dev, buf );
- }
- DRM_OS_RETURN( EINVAL );
- }
-
- WRAP_TEST_WITH_RETURN( dev_priv );
-
- mga_dma_dispatch_vertex( dev, buf );
-
- return 0;
-}
-
-int mga_dma_indices( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_device_dma_t *dma = dev->dma;
- drm_buf_t *buf;
- drm_mga_buf_priv_t *buf_priv;
- drm_mga_indices_t indices;
-
- LOCK_TEST_WITH_RETURN( dev );
-
- DRM_OS_KRNFROMUSR( indices, (drm_mga_indices_t *) data, sizeof(indices) );
-
- if(indices.idx < 0 || indices.idx > dma->buf_count) DRM_OS_RETURN( EINVAL );
-
- buf = dma->buflist[indices.idx];
- buf_priv = buf->dev_private;
-
- buf_priv->discard = indices.discard;
-
- if ( !mga_verify_state( dev_priv ) ) {
- if ( indices.discard ) {
- if ( buf_priv->dispatched == 1 )
- AGE_BUFFER( buf_priv );
- buf_priv->dispatched = 0;
- mga_freelist_put( dev, buf );
- }
- DRM_OS_RETURN( EINVAL );
- }
-
- WRAP_TEST_WITH_RETURN( dev_priv );
-
- mga_dma_dispatch_indices( dev, buf, indices.start, indices.end );
-
- return 0;
-}
-
-int mga_dma_iload( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_device_dma_t *dma = dev->dma;
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_buf_t *buf;
- drm_mga_buf_priv_t *buf_priv;
- drm_mga_iload_t iload;
- DRM_DEBUG( __FUNCTION__ ":\n" );
-
- LOCK_TEST_WITH_RETURN( dev );
-
- DRM_OS_KRNFROMUSR( iload, (drm_mga_iload_t *) data, sizeof(iload) );
-
-#if 0
- if ( mga_do_wait_for_idle( dev_priv ) ) {
- if ( MGA_DMA_DEBUG )
- DRM_INFO( __FUNCTION__": -EBUSY\n" );
- DRM_OS_RETURN( EBUSY );
- }
-#endif
- if(iload.idx < 0 || iload.idx > dma->buf_count) DRM_OS_RETURN( EINVAL );
-
- buf = dma->buflist[iload.idx];
- buf_priv = buf->dev_private;
-
- if ( mga_verify_iload( dev_priv, iload.dstorg, iload.length ) ) {
- mga_freelist_put( dev, buf );
- DRM_OS_RETURN( EINVAL );
- }
-
- WRAP_TEST_WITH_RETURN( dev_priv );
-
- mga_dma_dispatch_iload( dev, buf, iload.dstorg, iload.length );
-
- /* Make sure we restore the 3D state next time.
- */
- dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
-
- return 0;
-}
-
-int mga_dma_blit( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_blit_t blit;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- LOCK_TEST_WITH_RETURN( dev );
-
- DRM_OS_KRNFROMUSR( blit, (drm_mga_blit_t *) data, sizeof(blit) );
-
- if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS )
- sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
-
- if ( mga_verify_blit( dev_priv, blit.srcorg, blit.dstorg ) )
- DRM_OS_RETURN( EINVAL );
-
- WRAP_TEST_WITH_RETURN( dev_priv );
-
- mga_dma_dispatch_blit( dev, &blit );
-
- /* Make sure we restore the 3D state next time.
- */
- dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
-
- return 0;
-}
+++ /dev/null
-/* mga_warp.c -- Matrox G200/G400 WARP engine management -*- linux-c -*-
- * Created: Thu Jan 11 21:29:32 2001 by gareth@valinux.com
- *
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Gareth Hughes <gareth@valinux.com>
- */
-
-#define __NO_VERSION__
-#include "mga.h"
-#include "drmP.h"
-#include "drm.h"
-#include "mga_drm.h"
-#include "mga_drv.h"
-#include "mga_ucode.h"
-
-
-#define MGA_WARP_CODE_ALIGN 256 /* in bytes */
-
-#define WARP_UCODE_SIZE( which ) \
- ((sizeof(which) / MGA_WARP_CODE_ALIGN + 1) * MGA_WARP_CODE_ALIGN)
-
-#define WARP_UCODE_INSTALL( which, where ) \
-do { \
- DRM_DEBUG( " pcbase = 0x%08lx vcbase = %p\n", pcbase, vcbase );\
- dev_priv->warp_pipe_phys[where] = pcbase; \
- memcpy( vcbase, which, sizeof(which) ); \
- pcbase += WARP_UCODE_SIZE( which ); \
- vcbase += WARP_UCODE_SIZE( which ); \
-} while (0)
-
-
-static unsigned int mga_warp_g400_microcode_size( drm_mga_private_t *dev_priv )
-{
- unsigned int size;
-
- size = ( WARP_UCODE_SIZE( warp_g400_tgz ) +
- WARP_UCODE_SIZE( warp_g400_tgza ) +
- WARP_UCODE_SIZE( warp_g400_tgzaf ) +
- WARP_UCODE_SIZE( warp_g400_tgzf ) +
- WARP_UCODE_SIZE( warp_g400_tgzs ) +
- WARP_UCODE_SIZE( warp_g400_tgzsa ) +
- WARP_UCODE_SIZE( warp_g400_tgzsaf ) +
- WARP_UCODE_SIZE( warp_g400_tgzsf ) +
- WARP_UCODE_SIZE( warp_g400_t2gz ) +
- WARP_UCODE_SIZE( warp_g400_t2gza ) +
- WARP_UCODE_SIZE( warp_g400_t2gzaf ) +
- WARP_UCODE_SIZE( warp_g400_t2gzf ) +
- WARP_UCODE_SIZE( warp_g400_t2gzs ) +
- WARP_UCODE_SIZE( warp_g400_t2gzsa ) +
- WARP_UCODE_SIZE( warp_g400_t2gzsaf ) +
- WARP_UCODE_SIZE( warp_g400_t2gzsf ) );
-
- size = PAGE_ALIGN( size );
-
- DRM_DEBUG( "G400 ucode size = %d bytes\n", size );
- return size;
-}
-
-static unsigned int mga_warp_g200_microcode_size( drm_mga_private_t *dev_priv )
-{
- unsigned int size;
-
- size = ( WARP_UCODE_SIZE( warp_g200_tgz ) +
- WARP_UCODE_SIZE( warp_g200_tgza ) +
- WARP_UCODE_SIZE( warp_g200_tgzaf ) +
- WARP_UCODE_SIZE( warp_g200_tgzf ) +
- WARP_UCODE_SIZE( warp_g200_tgzs ) +
- WARP_UCODE_SIZE( warp_g200_tgzsa ) +
- WARP_UCODE_SIZE( warp_g200_tgzsaf ) +
- WARP_UCODE_SIZE( warp_g200_tgzsf ) );
-
- size = PAGE_ALIGN( size );
-
- DRM_DEBUG( "G200 ucode size = %d bytes\n", size );
- return size;
-}
-
-static int mga_warp_install_g400_microcode( drm_mga_private_t *dev_priv )
-{
- unsigned char *vcbase = dev_priv->warp->handle;
- unsigned long pcbase = dev_priv->warp->offset;
- unsigned int size;
-
- size = mga_warp_g400_microcode_size( dev_priv );
- if ( size > dev_priv->warp->size ) {
- DRM_ERROR( "microcode too large! (%u > %lu)\n",
- size, dev_priv->warp->size );
- DRM_OS_RETURN(ENOMEM);
- }
-
- memset( dev_priv->warp_pipe_phys, 0,
- sizeof(dev_priv->warp_pipe_phys) );
-
- WARP_UCODE_INSTALL( warp_g400_tgz, MGA_WARP_TGZ );
- WARP_UCODE_INSTALL( warp_g400_tgzf, MGA_WARP_TGZF );
- WARP_UCODE_INSTALL( warp_g400_tgza, MGA_WARP_TGZA );
- WARP_UCODE_INSTALL( warp_g400_tgzaf, MGA_WARP_TGZAF );
- WARP_UCODE_INSTALL( warp_g400_tgzs, MGA_WARP_TGZS );
- WARP_UCODE_INSTALL( warp_g400_tgzsf, MGA_WARP_TGZSF );
- WARP_UCODE_INSTALL( warp_g400_tgzsa, MGA_WARP_TGZSA );
- WARP_UCODE_INSTALL( warp_g400_tgzsaf, MGA_WARP_TGZSAF );
-
- WARP_UCODE_INSTALL( warp_g400_t2gz, MGA_WARP_T2GZ );
- WARP_UCODE_INSTALL( warp_g400_t2gzf, MGA_WARP_T2GZF );
- WARP_UCODE_INSTALL( warp_g400_t2gza, MGA_WARP_T2GZA );
- WARP_UCODE_INSTALL( warp_g400_t2gzaf, MGA_WARP_T2GZAF );
- WARP_UCODE_INSTALL( warp_g400_t2gzs, MGA_WARP_T2GZS );
- WARP_UCODE_INSTALL( warp_g400_t2gzsf, MGA_WARP_T2GZSF );
- WARP_UCODE_INSTALL( warp_g400_t2gzsa, MGA_WARP_T2GZSA );
- WARP_UCODE_INSTALL( warp_g400_t2gzsaf, MGA_WARP_T2GZSAF );
-
- return 0;
-}
-
-static int mga_warp_install_g200_microcode( drm_mga_private_t *dev_priv )
-{
- unsigned char *vcbase = dev_priv->warp->handle;
- unsigned long pcbase = dev_priv->warp->offset;
- unsigned int size;
-
- size = mga_warp_g200_microcode_size( dev_priv );
- if ( size > dev_priv->warp->size ) {
- DRM_ERROR( "microcode too large! (%u > %lu)\n",
- size, dev_priv->warp->size );
- DRM_OS_RETURN(ENOMEM);
- }
-
- memset( dev_priv->warp_pipe_phys, 0,
- sizeof(dev_priv->warp_pipe_phys) );
-
- WARP_UCODE_INSTALL( warp_g200_tgz, MGA_WARP_TGZ );
- WARP_UCODE_INSTALL( warp_g200_tgzf, MGA_WARP_TGZF );
- WARP_UCODE_INSTALL( warp_g200_tgza, MGA_WARP_TGZA );
- WARP_UCODE_INSTALL( warp_g200_tgzaf, MGA_WARP_TGZAF );
- WARP_UCODE_INSTALL( warp_g200_tgzs, MGA_WARP_TGZS );
- WARP_UCODE_INSTALL( warp_g200_tgzsf, MGA_WARP_TGZSF );
- WARP_UCODE_INSTALL( warp_g200_tgzsa, MGA_WARP_TGZSA );
- WARP_UCODE_INSTALL( warp_g200_tgzsaf, MGA_WARP_TGZSAF );
-
- return 0;
-}
-
-int mga_warp_install_microcode( drm_mga_private_t *dev_priv )
-{
- switch ( dev_priv->chipset ) {
- case MGA_CARD_TYPE_G400:
- return mga_warp_install_g400_microcode( dev_priv );
- case MGA_CARD_TYPE_G200:
- return mga_warp_install_g200_microcode( dev_priv );
- default:
- DRM_OS_RETURN(EINVAL);
- }
-}
-
-#define WMISC_EXPECTED (MGA_WUCODECACHE_ENABLE | MGA_WMASTER_ENABLE)
-
-int mga_warp_init( drm_mga_private_t *dev_priv )
-{
- u32 wmisc;
-
- /* FIXME: Get rid of these damned magic numbers...
- */
- switch ( dev_priv->chipset ) {
- case MGA_CARD_TYPE_G400:
- MGA_WRITE( MGA_WIADDR2, MGA_WMODE_SUSPEND );
- MGA_WRITE( MGA_WGETMSB, 0x00000E00 );
- MGA_WRITE( MGA_WVRTXSZ, 0x00001807 );
- MGA_WRITE( MGA_WACCEPTSEQ, 0x18000000 );
- break;
- case MGA_CARD_TYPE_G200:
- MGA_WRITE( MGA_WIADDR, MGA_WMODE_SUSPEND );
- MGA_WRITE( MGA_WGETMSB, 0x1606 );
- MGA_WRITE( MGA_WVRTXSZ, 7 );
- break;
- default:
- DRM_OS_RETURN(EINVAL);
- }
-
- MGA_WRITE( MGA_WMISC, (MGA_WUCODECACHE_ENABLE |
- MGA_WMASTER_ENABLE |
- MGA_WCACHEFLUSH_ENABLE) );
- wmisc = MGA_READ( MGA_WMISC );
- if ( wmisc != WMISC_EXPECTED ) {
- DRM_ERROR( "WARP engine config failed! 0x%x != 0x%x\n",
- wmisc, WMISC_EXPECTED );
- DRM_OS_RETURN(EINVAL);
- }
-
- return 0;
-}
+++ /dev/null
-/* r128_cce.c -- ATI Rage 128 driver -*- linux-c -*-
- * Created: Wed Apr 5 19:24:19 2000 by kevin@precisioninsight.com
- *
- * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Gareth Hughes <gareth@valinux.com>
- */
-
-#define __NO_VERSION__
-#include "r128.h"
-#include "drmP.h"
-#include "drm.h"
-#include "r128_drm.h"
-#include "r128_drv.h"
-
-
-#define R128_FIFO_DEBUG 0
-
-int r128_do_wait_for_idle( drm_r128_private_t *dev_priv );
-
-/* CCE microcode (from ATI) */
-static u32 r128_cce_microcode[] = {
- 0, 276838400, 0, 268449792, 2, 142, 2, 145, 0, 1076765731, 0,
- 1617039951, 0, 774592877, 0, 1987540286, 0, 2307490946U, 0,
- 599558925, 0, 589505315, 0, 596487092, 0, 589505315, 1,
- 11544576, 1, 206848, 1, 311296, 1, 198656, 2, 912273422, 11,
- 262144, 0, 0, 1, 33559837, 1, 7438, 1, 14809, 1, 6615, 12, 28,
- 1, 6614, 12, 28, 2, 23, 11, 18874368, 0, 16790922, 1, 409600, 9,
- 30, 1, 147854772, 16, 420483072, 3, 8192, 0, 10240, 1, 198656,
- 1, 15630, 1, 51200, 10, 34858, 9, 42, 1, 33559823, 2, 10276, 1,
- 15717, 1, 15718, 2, 43, 1, 15936948, 1, 570480831, 1, 14715071,
- 12, 322123831, 1, 33953125, 12, 55, 1, 33559908, 1, 15718, 2,
- 46, 4, 2099258, 1, 526336, 1, 442623, 4, 4194365, 1, 509952, 1,
- 459007, 3, 0, 12, 92, 2, 46, 12, 176, 1, 15734, 1, 206848, 1,
- 18432, 1, 133120, 1, 100670734, 1, 149504, 1, 165888, 1,
- 15975928, 1, 1048576, 6, 3145806, 1, 15715, 16, 2150645232U, 2,
- 268449859, 2, 10307, 12, 176, 1, 15734, 1, 15735, 1, 15630, 1,
- 15631, 1, 5253120, 6, 3145810, 16, 2150645232U, 1, 15864, 2, 82,
- 1, 343310, 1, 1064207, 2, 3145813, 1, 15728, 1, 7817, 1, 15729,
- 3, 15730, 12, 92, 2, 98, 1, 16168, 1, 16167, 1, 16002, 1, 16008,
- 1, 15974, 1, 15975, 1, 15990, 1, 15976, 1, 15977, 1, 15980, 0,
- 15981, 1, 10240, 1, 5253120, 1, 15720, 1, 198656, 6, 110, 1,
- 180224, 1, 103824738, 2, 112, 2, 3145839, 0, 536885440, 1,
- 114880, 14, 125, 12, 206975, 1, 33559995, 12, 198784, 0,
- 33570236, 1, 15803, 0, 15804, 3, 294912, 1, 294912, 3, 442370,
- 1, 11544576, 0, 811612160, 1, 12593152, 1, 11536384, 1,
- 14024704, 7, 310382726, 0, 10240, 1, 14796, 1, 14797, 1, 14793,
- 1, 14794, 0, 14795, 1, 268679168, 1, 9437184, 1, 268449792, 1,
- 198656, 1, 9452827, 1, 1075854602, 1, 1075854603, 1, 557056, 1,
- 114880, 14, 159, 12, 198784, 1, 1109409213, 12, 198783, 1,
- 1107312059, 12, 198784, 1, 1109409212, 2, 162, 1, 1075854781, 1,
- 1073757627, 1, 1075854780, 1, 540672, 1, 10485760, 6, 3145894,
- 16, 274741248, 9, 168, 3, 4194304, 3, 4209949, 0, 0, 0, 256, 14,
- 174, 1, 114857, 1, 33560007, 12, 176, 0, 10240, 1, 114858, 1,
- 33560018, 1, 114857, 3, 33560007, 1, 16008, 1, 114874, 1,
- 33560360, 1, 114875, 1, 33560154, 0, 15963, 0, 256, 0, 4096, 1,
- 409611, 9, 188, 0, 10240, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
-};
-
-
-int R128_READ_PLL(drm_device_t *dev, int addr)
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
-
- R128_WRITE8(R128_CLOCK_CNTL_INDEX, addr & 0x1f);
- return R128_READ(R128_CLOCK_CNTL_DATA);
-}
-
-#if R128_FIFO_DEBUG
-static void r128_status( drm_r128_private_t *dev_priv )
-{
- printk( "GUI_STAT = 0x%08x\n",
- (unsigned int)R128_READ( R128_GUI_STAT ) );
- printk( "PM4_STAT = 0x%08x\n",
- (unsigned int)R128_READ( R128_PM4_STAT ) );
- printk( "PM4_BUFFER_DL_WPTR = 0x%08x\n",
- (unsigned int)R128_READ( R128_PM4_BUFFER_DL_WPTR ) );
- printk( "PM4_BUFFER_DL_RPTR = 0x%08x\n",
- (unsigned int)R128_READ( R128_PM4_BUFFER_DL_RPTR ) );
- printk( "PM4_MICRO_CNTL = 0x%08x\n",
- (unsigned int)R128_READ( R128_PM4_MICRO_CNTL ) );
- printk( "PM4_BUFFER_CNTL = 0x%08x\n",
- (unsigned int)R128_READ( R128_PM4_BUFFER_CNTL ) );
-}
-#endif
-
-
-/* ================================================================
- * Engine, FIFO control
- */
-
-static int r128_do_pixcache_flush( drm_r128_private_t *dev_priv )
-{
- u32 tmp;
- int i;
-
- tmp = R128_READ( R128_PC_NGUI_CTLSTAT ) | R128_PC_FLUSH_ALL;
- R128_WRITE( R128_PC_NGUI_CTLSTAT, tmp );
-
- for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) {
- if ( !(R128_READ( R128_PC_NGUI_CTLSTAT ) & R128_PC_BUSY) ) {
- return 0;
- }
- DRM_OS_DELAY( 1 );
- }
-
-#if R128_FIFO_DEBUG
- DRM_ERROR( "%s failed!\n", __FUNCTION__ );
-#endif
- DRM_OS_RETURN( EBUSY );
-}
-
-static int r128_do_wait_for_fifo( drm_r128_private_t *dev_priv, int entries )
-{
- int i;
-
- for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) {
- int slots = R128_READ( R128_GUI_STAT ) & R128_GUI_FIFOCNT_MASK;
- if ( slots >= entries ) return 0;
- DRM_OS_DELAY( 1 );
- }
-
-#if R128_FIFO_DEBUG
- DRM_ERROR( "%s failed!\n", __FUNCTION__ );
-#endif
- DRM_OS_RETURN( EBUSY );
-}
-
-int r128_do_wait_for_idle( drm_r128_private_t *dev_priv )
-{
- int i, ret;
-
- ret = r128_do_wait_for_fifo( dev_priv, 64 );
- if ( ret ) return ret;
-
- for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) {
- if ( !(R128_READ( R128_GUI_STAT ) & R128_GUI_ACTIVE) ) {
- r128_do_pixcache_flush( dev_priv );
- return 0;
- }
- DRM_OS_DELAY( 1 );
- }
-
-#if R128_FIFO_DEBUG
- DRM_ERROR( "%s failed!\n", __FUNCTION__ );
-#endif
- DRM_OS_RETURN( EBUSY );
-}
-
-
-/* ================================================================
- * CCE control, initialization
- */
-
-/* Load the microcode for the CCE */
-static void r128_cce_load_microcode( drm_r128_private_t *dev_priv )
-{
- int i;
-
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- r128_do_wait_for_idle( dev_priv );
-
- R128_WRITE( R128_PM4_MICROCODE_ADDR, 0 );
- for ( i = 0 ; i < 256 ; i++ ) {
- R128_WRITE( R128_PM4_MICROCODE_DATAH,
- r128_cce_microcode[i * 2] );
- R128_WRITE( R128_PM4_MICROCODE_DATAL,
- r128_cce_microcode[i * 2 + 1] );
- }
-}
-
-/* Flush any pending commands to the CCE. This should only be used just
- * prior to a wait for idle, as it informs the engine that the command
- * stream is ending.
- */
-static void r128_do_cce_flush( drm_r128_private_t *dev_priv )
-{
- u32 tmp;
-
- tmp = R128_READ( R128_PM4_BUFFER_DL_WPTR ) | R128_PM4_BUFFER_DL_DONE;
- R128_WRITE( R128_PM4_BUFFER_DL_WPTR, tmp );
-}
-
-/* Wait for the CCE to go idle.
- */
-int r128_do_cce_idle( drm_r128_private_t *dev_priv )
-{
- int i;
-
- for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) {
- if ( GET_RING_HEAD( &dev_priv->ring ) == dev_priv->ring.tail ) {
- int pm4stat = R128_READ( R128_PM4_STAT );
- if ( ( (pm4stat & R128_PM4_FIFOCNT_MASK) >=
- dev_priv->cce_fifo_size ) &&
- !(pm4stat & (R128_PM4_BUSY |
- R128_PM4_GUI_ACTIVE)) ) {
- return r128_do_pixcache_flush( dev_priv );
- }
- }
- DRM_OS_DELAY( 1 );
- }
-
-#if R128_FIFO_DEBUG
- DRM_ERROR( "failed!\n" );
- r128_status( dev_priv );
-#endif
- DRM_OS_RETURN( EBUSY );
-}
-
-/* Start the Concurrent Command Engine.
- */
-static void r128_do_cce_start( drm_r128_private_t *dev_priv )
-{
- r128_do_wait_for_idle( dev_priv );
-
- R128_WRITE( R128_PM4_BUFFER_CNTL,
- dev_priv->cce_mode | dev_priv->ring.size_l2qw );
- R128_READ( R128_PM4_BUFFER_ADDR ); /* as per the sample code */
- R128_WRITE( R128_PM4_MICRO_CNTL, R128_PM4_MICRO_FREERUN );
-
- dev_priv->cce_running = 1;
-}
-
-/* Reset the Concurrent Command Engine. This will not flush any pending
- * commands, so you must wait for the CCE command stream to complete
- * before calling this routine.
- */
-static void r128_do_cce_reset( drm_r128_private_t *dev_priv )
-{
- R128_WRITE( R128_PM4_BUFFER_DL_WPTR, 0 );
- R128_WRITE( R128_PM4_BUFFER_DL_RPTR, 0 );
- SET_RING_HEAD( &dev_priv->ring, 0 );
- dev_priv->ring.tail = 0;
-}
-
-/* Stop the Concurrent Command Engine. This will not flush any pending
- * commands, so you must flush the command stream and wait for the CCE
- * to go idle before calling this routine.
- */
-static void r128_do_cce_stop( drm_r128_private_t *dev_priv )
-{
- R128_WRITE( R128_PM4_MICRO_CNTL, 0 );
- R128_WRITE( R128_PM4_BUFFER_CNTL, R128_PM4_NONPM4 );
-
- dev_priv->cce_running = 0;
-}
-
-/* Reset the engine. This will stop the CCE if it is running.
- */
-static int r128_do_engine_reset( drm_device_t *dev )
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
- u32 clock_cntl_index, mclk_cntl, gen_reset_cntl;
-
- r128_do_pixcache_flush( dev_priv );
-
- clock_cntl_index = R128_READ( R128_CLOCK_CNTL_INDEX );
- mclk_cntl = R128_READ_PLL( dev, R128_MCLK_CNTL );
-
- R128_WRITE_PLL( R128_MCLK_CNTL,
- mclk_cntl | R128_FORCE_GCP | R128_FORCE_PIPE3D_CP );
-
- gen_reset_cntl = R128_READ( R128_GEN_RESET_CNTL );
-
- /* Taken from the sample code - do not change */
- R128_WRITE( R128_GEN_RESET_CNTL,
- gen_reset_cntl | R128_SOFT_RESET_GUI );
- R128_READ( R128_GEN_RESET_CNTL );
- R128_WRITE( R128_GEN_RESET_CNTL,
- gen_reset_cntl & ~R128_SOFT_RESET_GUI );
- R128_READ( R128_GEN_RESET_CNTL );
-
- R128_WRITE_PLL( R128_MCLK_CNTL, mclk_cntl );
- R128_WRITE( R128_CLOCK_CNTL_INDEX, clock_cntl_index );
- R128_WRITE( R128_GEN_RESET_CNTL, gen_reset_cntl );
-
- /* Reset the CCE ring */
- r128_do_cce_reset( dev_priv );
-
- /* The CCE is no longer running after an engine reset */
- dev_priv->cce_running = 0;
-
- /* Reset any pending vertex, indirect buffers */
- r128_freelist_reset( dev );
-
- return 0;
-}
-
-static void r128_cce_init_ring_buffer( drm_device_t *dev,
- drm_r128_private_t *dev_priv )
-{
- u32 ring_start;
- u32 tmp;
-
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- /* The manual (p. 2) says this address is in "VM space". This
- * means it's an offset from the start of AGP space.
- */
-#if __REALLY_HAVE_AGP
- if ( !dev_priv->is_pci )
- ring_start = dev_priv->cce_ring->offset - dev->agp->base;
- else
-#endif
- ring_start = dev_priv->cce_ring->offset - dev->sg->handle;
-
- R128_WRITE( R128_PM4_BUFFER_OFFSET, ring_start | R128_AGP_OFFSET );
-
- R128_WRITE( R128_PM4_BUFFER_DL_WPTR, 0 );
- R128_WRITE( R128_PM4_BUFFER_DL_RPTR, 0 );
-
- /* DL_RPTR_ADDR is a physical address in AGP space. */
- SET_RING_HEAD( &dev_priv->ring, 0 );
-
-#if __REALLY_HAVE_SG
- if ( !dev_priv->is_pci ) {
-#endif
- R128_WRITE( R128_PM4_BUFFER_DL_RPTR_ADDR,
- dev_priv->ring_rptr->offset );
-#if __REALLY_HAVE_SG
- } else {
- drm_sg_mem_t *entry = dev->sg;
- unsigned long tmp_ofs, page_ofs;
-
- tmp_ofs = dev_priv->ring_rptr->offset - dev->sg->handle;
- page_ofs = tmp_ofs >> PAGE_SHIFT;
-
- R128_WRITE( R128_PM4_BUFFER_DL_RPTR_ADDR,
- entry->busaddr[page_ofs]);
- DRM_DEBUG( "ring rptr: offset=0x%08x handle=0x%08lx\n",
- entry->busaddr[page_ofs],
- entry->handle + tmp_ofs );
- }
-#endif
-
- /* Set watermark control */
- R128_WRITE( R128_PM4_BUFFER_WM_CNTL,
- ((R128_WATERMARK_L/4) << R128_WMA_SHIFT)
- | ((R128_WATERMARK_M/4) << R128_WMB_SHIFT)
- | ((R128_WATERMARK_N/4) << R128_WMC_SHIFT)
- | ((R128_WATERMARK_K/64) << R128_WB_WM_SHIFT) );
-
- /* Force read. Why? Because it's in the examples... */
- R128_READ( R128_PM4_BUFFER_ADDR );
-
- /* Turn on bus mastering */
- tmp = R128_READ( R128_BUS_CNTL ) & ~R128_BUS_MASTER_DIS;
- R128_WRITE( R128_BUS_CNTL, tmp );
-}
-
-static int r128_do_init_cce( drm_device_t *dev, drm_r128_init_t *init )
-{
- drm_r128_private_t *dev_priv;
- drm_map_list_entry_t *listentry;
-
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- dev_priv = DRM(alloc)( sizeof(drm_r128_private_t), DRM_MEM_DRIVER );
- if ( dev_priv == NULL )
- DRM_OS_RETURN( ENOMEM );
-
- memset( dev_priv, 0, sizeof(drm_r128_private_t) );
-
- dev_priv->is_pci = init->is_pci;
-
- if ( dev_priv->is_pci && !dev->sg ) {
- DRM_ERROR( "PCI GART memory not allocated!\n" );
- dev->dev_private = (void *)dev_priv;
- r128_do_cleanup_cce( dev );
- DRM_OS_RETURN( EINVAL );
- }
-
- dev_priv->usec_timeout = init->usec_timeout;
- if ( dev_priv->usec_timeout < 1 ||
- dev_priv->usec_timeout > R128_MAX_USEC_TIMEOUT ) {
- DRM_DEBUG( "TIMEOUT problem!\n" );
- dev->dev_private = (void *)dev_priv;
- r128_do_cleanup_cce( dev );
- DRM_OS_RETURN( EINVAL );
- }
-
- dev_priv->cce_mode = init->cce_mode;
-
- /* GH: Simple idle check.
- */
- atomic_set( &dev_priv->idle_count, 0 );
-
- /* We don't support anything other than bus-mastering ring mode,
- * but the ring can be in either AGP or PCI space for the ring
- * read pointer.
- */
- if ( ( init->cce_mode != R128_PM4_192BM ) &&
- ( init->cce_mode != R128_PM4_128BM_64INDBM ) &&
- ( init->cce_mode != R128_PM4_64BM_128INDBM ) &&
- ( init->cce_mode != R128_PM4_64BM_64VCBM_64INDBM ) ) {
- DRM_DEBUG( "Bad cce_mode!\n" );
- dev->dev_private = (void *)dev_priv;
- r128_do_cleanup_cce( dev );
- DRM_OS_RETURN( EINVAL );
- }
-
- switch ( init->cce_mode ) {
- case R128_PM4_NONPM4:
- dev_priv->cce_fifo_size = 0;
- break;
- case R128_PM4_192PIO:
- case R128_PM4_192BM:
- dev_priv->cce_fifo_size = 192;
- break;
- case R128_PM4_128PIO_64INDBM:
- case R128_PM4_128BM_64INDBM:
- dev_priv->cce_fifo_size = 128;
- break;
- case R128_PM4_64PIO_128INDBM:
- case R128_PM4_64BM_128INDBM:
- case R128_PM4_64PIO_64VCBM_64INDBM:
- case R128_PM4_64BM_64VCBM_64INDBM:
- case R128_PM4_64PIO_64VCPIO_64INDPIO:
- dev_priv->cce_fifo_size = 64;
- break;
- }
-
- switch ( init->fb_bpp ) {
- case 16:
- dev_priv->color_fmt = R128_DATATYPE_RGB565;
- break;
- case 32:
- default:
- dev_priv->color_fmt = R128_DATATYPE_ARGB8888;
- break;
- }
- dev_priv->front_offset = init->front_offset;
- dev_priv->front_pitch = init->front_pitch;
- dev_priv->back_offset = init->back_offset;
- dev_priv->back_pitch = init->back_pitch;
-
- switch ( init->depth_bpp ) {
- case 16:
- dev_priv->depth_fmt = R128_DATATYPE_RGB565;
- break;
- case 24:
- case 32:
- default:
- dev_priv->depth_fmt = R128_DATATYPE_ARGB8888;
- break;
- }
- dev_priv->depth_offset = init->depth_offset;
- dev_priv->depth_pitch = init->depth_pitch;
- dev_priv->span_offset = init->span_offset;
-
- dev_priv->front_pitch_offset_c = (((dev_priv->front_pitch/8) << 21) |
- (dev_priv->front_offset >> 5));
- dev_priv->back_pitch_offset_c = (((dev_priv->back_pitch/8) << 21) |
- (dev_priv->back_offset >> 5));
- dev_priv->depth_pitch_offset_c = (((dev_priv->depth_pitch/8) << 21) |
- (dev_priv->depth_offset >> 5) |
- R128_DST_TILE);
- dev_priv->span_pitch_offset_c = (((dev_priv->depth_pitch/8) << 21) |
- (dev_priv->span_offset >> 5));
-
- TAILQ_FOREACH(listentry, dev->maplist, link) {
- drm_map_t *map = listentry->map;
- if (map->type == _DRM_SHM &&
- map->flags & _DRM_CONTAINS_LOCK) {
- dev_priv->sarea = map;
- break;
- }
- }
-
- if(!dev_priv->sarea) {
- DRM_ERROR("could not find sarea!\n");
- dev->dev_private = (void *)dev_priv;
- r128_do_cleanup_cce( dev );
- DRM_OS_RETURN(EINVAL);
- }
-
- DRM_FIND_MAP( dev_priv->fb, init->fb_offset );
- if(!dev_priv->fb) {
- DRM_ERROR("could not find framebuffer!\n");
- dev->dev_private = (void *)dev_priv;
- r128_do_cleanup_cce( dev );
- DRM_OS_RETURN(EINVAL);
- }
- DRM_FIND_MAP( dev_priv->mmio, init->mmio_offset );
- if(!dev_priv->mmio) {
- DRM_ERROR("could not find mmio region!\n");
- dev->dev_private = (void *)dev_priv;
- r128_do_cleanup_cce( dev );
- DRM_OS_RETURN(EINVAL);
- }
- DRM_FIND_MAP( dev_priv->cce_ring, init->ring_offset );
- if(!dev_priv->cce_ring) {
- DRM_ERROR("could not find cce ring region!\n");
- dev->dev_private = (void *)dev_priv;
- r128_do_cleanup_cce( dev );
- DRM_OS_RETURN(EINVAL);
- }
- DRM_FIND_MAP( dev_priv->ring_rptr, init->ring_rptr_offset );
- if(!dev_priv->ring_rptr) {
- DRM_ERROR("could not find ring read pointer!\n");
- dev->dev_private = (void *)dev_priv;
- r128_do_cleanup_cce( dev );
- DRM_OS_RETURN(EINVAL);
- }
- DRM_FIND_MAP( dev_priv->buffers, init->buffers_offset );
- if(!dev_priv->buffers) {
- DRM_ERROR("could not find dma buffer region!\n");
- dev->dev_private = (void *)dev_priv;
- r128_do_cleanup_cce( dev );
- DRM_OS_RETURN(EINVAL);
- }
-
- if ( !dev_priv->is_pci ) {
- DRM_FIND_MAP( dev_priv->agp_textures,
- init->agp_textures_offset );
- if(!dev_priv->agp_textures) {
- DRM_ERROR("could not find agp texture region!\n");
- dev->dev_private = (void *)dev_priv;
- r128_do_cleanup_cce( dev );
- DRM_OS_RETURN(EINVAL);
- }
- }
-
- dev_priv->sarea_priv =
- (drm_r128_sarea_t *)((u8 *)dev_priv->sarea->handle +
- init->sarea_priv_offset);
-
- if ( !dev_priv->is_pci ) {
- DRM_IOREMAP( dev_priv->cce_ring );
- DRM_IOREMAP( dev_priv->ring_rptr );
- DRM_IOREMAP( dev_priv->buffers );
- if(!dev_priv->cce_ring->handle ||
- !dev_priv->ring_rptr->handle ||
- !dev_priv->buffers->handle) {
- DRM_ERROR("Could not ioremap agp regions!\n");
- dev->dev_private = (void *)dev_priv;
- r128_do_cleanup_cce( dev );
- DRM_OS_RETURN(ENOMEM);
- }
- } else {
- dev_priv->cce_ring->handle =
- (void *)dev_priv->cce_ring->offset;
- dev_priv->ring_rptr->handle =
- (void *)dev_priv->ring_rptr->offset;
- dev_priv->buffers->handle = (void *)dev_priv->buffers->offset;
- }
-
-#if __REALLY_HAVE_AGP
- if ( !dev_priv->is_pci )
- dev_priv->cce_buffers_offset = dev->agp->base;
- else
-#endif
- dev_priv->cce_buffers_offset = dev->sg->handle;
-
- dev_priv->ring.head = ((__volatile__ u32 *)
- dev_priv->ring_rptr->handle);
-
- dev_priv->ring.start = (u32 *)dev_priv->cce_ring->handle;
- dev_priv->ring.end = ((u32 *)dev_priv->cce_ring->handle
- + init->ring_size / sizeof(u32));
- dev_priv->ring.size = init->ring_size;
- dev_priv->ring.size_l2qw = DRM(order)( init->ring_size / 8 );
-
- dev_priv->ring.tail_mask =
- (dev_priv->ring.size / sizeof(u32)) - 1;
-
- dev_priv->ring.high_mark = 128;
-
- dev_priv->sarea_priv->last_frame = 0;
- R128_WRITE( R128_LAST_FRAME_REG, dev_priv->sarea_priv->last_frame );
-
- dev_priv->sarea_priv->last_dispatch = 0;
- R128_WRITE( R128_LAST_DISPATCH_REG,
- dev_priv->sarea_priv->last_dispatch );
-
-#if __REALLY_HAVE_SG
- if ( dev_priv->is_pci ) {
- if (!DRM(ati_pcigart_init)( dev, &dev_priv->phys_pci_gart,
- &dev_priv->bus_pci_gart) ) {
- DRM_ERROR( "failed to init PCI GART!\n" );
- dev->dev_private = (void *)dev_priv;
- r128_do_cleanup_cce( dev );
- DRM_OS_RETURN(ENOMEM);
- }
- R128_WRITE( R128_PCI_GART_PAGE, dev_priv->bus_pci_gart );
- }
-#endif
-
- r128_cce_init_ring_buffer( dev, dev_priv );
- r128_cce_load_microcode( dev_priv );
-
- dev->dev_private = (void *)dev_priv;
-
- r128_do_engine_reset( dev );
-
- return 0;
-}
-
-int r128_do_cleanup_cce( drm_device_t *dev )
-{
- if ( dev->dev_private ) {
- drm_r128_private_t *dev_priv = dev->dev_private;
-
-#if __REALLY_HAVE_SG
- if ( !dev_priv->is_pci ) {
-#endif
- DRM_IOREMAPFREE( dev_priv->cce_ring );
- DRM_IOREMAPFREE( dev_priv->ring_rptr );
- DRM_IOREMAPFREE( dev_priv->buffers );
-#if __REALLY_HAVE_SG
- } else {
- if (!DRM(ati_pcigart_cleanup)( dev,
- dev_priv->phys_pci_gart,
- dev_priv->bus_pci_gart ))
- DRM_ERROR( "failed to cleanup PCI GART!\n" );
- }
-#endif
-
- DRM(free)( dev->dev_private, sizeof(drm_r128_private_t),
- DRM_MEM_DRIVER );
- dev->dev_private = NULL;
- }
-
- return 0;
-}
-
-int r128_cce_init( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_r128_init_t init;
-
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- DRM_OS_KRNFROMUSR( init, (drm_r128_init_t *)data, sizeof(init) );
-
- switch ( init.func ) {
- case R128_INIT_CCE:
- return r128_do_init_cce( dev, &init );
- case R128_CLEANUP_CCE:
- return r128_do_cleanup_cce( dev );
- }
-
- DRM_OS_RETURN( EINVAL );
-}
-
-int r128_cce_start( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_r128_private_t *dev_priv = dev->dev_private;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- LOCK_TEST_WITH_RETURN( dev );
-
- if ( dev_priv->cce_running || dev_priv->cce_mode == R128_PM4_NONPM4 ) {
- DRM_DEBUG( "%s while CCE running\n", __FUNCTION__ );
- return 0;
- }
-
- r128_do_cce_start( dev_priv );
-
- return 0;
-}
-
-/* Stop the CCE. The engine must have been idled before calling this
- * routine.
- */
-int r128_cce_stop( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_r128_private_t *dev_priv = dev->dev_private;
- drm_r128_cce_stop_t stop;
- int ret;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- LOCK_TEST_WITH_RETURN( dev );
-
- DRM_OS_KRNFROMUSR(stop, (drm_r128_cce_stop_t *)data, sizeof(stop) );
-
- /* Flush any pending CCE commands. This ensures any outstanding
- * commands are exectuted by the engine before we turn it off.
- */
- if ( stop.flush ) {
- r128_do_cce_flush( dev_priv );
- }
-
- /* If we fail to make the engine go idle, we return an error
- * code so that the DRM ioctl wrapper can try again.
- */
- if ( stop.idle ) {
- ret = r128_do_cce_idle( dev_priv );
- if ( ret ) return ret;
- }
-
- /* Finally, we can turn off the CCE. If the engine isn't idle,
- * we will get some dropped triangles as they won't be fully
- * rendered before the CCE is shut down.
- */
- r128_do_cce_stop( dev_priv );
-
- /* Reset the engine */
- r128_do_engine_reset( dev );
-
- return 0;
-}
-
-/* Just reset the CCE ring. Called as part of an X Server engine reset.
- */
-int r128_cce_reset( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_r128_private_t *dev_priv = dev->dev_private;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- LOCK_TEST_WITH_RETURN( dev );
-
- if ( !dev_priv ) {
- DRM_DEBUG( "%s called before init done\n", __FUNCTION__ );
- DRM_OS_RETURN( EINVAL );
- }
-
- r128_do_cce_reset( dev_priv );
-
- /* The CCE is no longer running after an engine reset */
- dev_priv->cce_running = 0;
-
- return 0;
-}
-
-int r128_cce_idle( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_r128_private_t *dev_priv = dev->dev_private;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- LOCK_TEST_WITH_RETURN( dev );
-
- if ( dev_priv->cce_running ) {
- r128_do_cce_flush( dev_priv );
- }
-
- return r128_do_cce_idle( dev_priv );
-}
-
-int r128_engine_reset( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- LOCK_TEST_WITH_RETURN( dev );
-
- return r128_do_engine_reset( dev );
-}
-
-
-/* ================================================================
- * Fullscreen mode
- */
-
-static int r128_do_init_pageflip( drm_device_t *dev )
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- dev_priv->crtc_offset = R128_READ( R128_CRTC_OFFSET );
- dev_priv->crtc_offset_cntl = R128_READ( R128_CRTC_OFFSET_CNTL );
-
- R128_WRITE( R128_CRTC_OFFSET, dev_priv->front_offset );
- R128_WRITE( R128_CRTC_OFFSET_CNTL,
- dev_priv->crtc_offset_cntl | R128_CRTC_OFFSET_FLIP_CNTL );
-
- dev_priv->page_flipping = 1;
- dev_priv->current_page = 0;
-
- return 0;
-}
-
-int r128_do_cleanup_pageflip( drm_device_t *dev )
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- R128_WRITE( R128_CRTC_OFFSET, dev_priv->crtc_offset );
- R128_WRITE( R128_CRTC_OFFSET_CNTL, dev_priv->crtc_offset_cntl );
-
- dev_priv->page_flipping = 0;
- dev_priv->current_page = 0;
-
- return 0;
-}
-
-int r128_fullscreen( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_r128_fullscreen_t fs;
-
- LOCK_TEST_WITH_RETURN( dev );
-
- DRM_OS_KRNFROMUSR( fs, (drm_r128_fullscreen_t *)data, sizeof(fs) );
-
- switch ( fs.func ) {
- case R128_INIT_FULLSCREEN:
- return r128_do_init_pageflip( dev );
- case R128_CLEANUP_FULLSCREEN:
- return r128_do_cleanup_pageflip( dev );
- }
-
- DRM_OS_RETURN( EINVAL );
-}
-
-
-/* ================================================================
- * Freelist management
- */
-#define R128_BUFFER_USED 0xffffffff
-#define R128_BUFFER_FREE 0
-
-#if 0
-static int r128_freelist_init( drm_device_t *dev )
-{
- drm_device_dma_t *dma = dev->dma;
- drm_r128_private_t *dev_priv = dev->dev_private;
- drm_buf_t *buf;
- drm_r128_buf_priv_t *buf_priv;
- drm_r128_freelist_t *entry;
- int i;
-
- dev_priv->head = DRM(alloc)( sizeof(drm_r128_freelist_t),
- DRM_MEM_DRIVER );
- if ( dev_priv->head == NULL )
- DRM_OS_RETURN( ENOMEM );
-
- memset( dev_priv->head, 0, sizeof(drm_r128_freelist_t) );
- dev_priv->head->age = R128_BUFFER_USED;
-
- for ( i = 0 ; i < dma->buf_count ; i++ ) {
- buf = dma->buflist[i];
- buf_priv = buf->dev_private;
-
- entry = DRM(alloc)( sizeof(drm_r128_freelist_t),
- DRM_MEM_DRIVER );
- if ( !entry ) DRM_OS_RETURN( ENOMEM );
-
- entry->age = R128_BUFFER_FREE;
- entry->buf = buf;
- entry->prev = dev_priv->head;
- entry->next = dev_priv->head->next;
- if ( !entry->next )
- dev_priv->tail = entry;
-
- buf_priv->discard = 0;
- buf_priv->dispatched = 0;
- buf_priv->list_entry = entry;
-
- dev_priv->head->next = entry;
-
- if ( dev_priv->head->next )
- dev_priv->head->next->prev = entry;
- }
-
- return 0;
-
-}
-#endif
-
-drm_buf_t *r128_freelist_get( drm_device_t *dev )
-{
- drm_device_dma_t *dma = dev->dma;
- drm_r128_private_t *dev_priv = dev->dev_private;
- drm_r128_buf_priv_t *buf_priv;
- drm_buf_t *buf;
- int i, t;
-
- /* FIXME: Optimize -- use freelist code */
-
- for ( i = 0 ; i < dma->buf_count ; i++ ) {
- buf = dma->buflist[i];
- buf_priv = buf->dev_private;
- if ( buf->pid == 0 )
- return buf;
- }
-
- for ( t = 0 ; t < dev_priv->usec_timeout ; t++ ) {
- u32 done_age = R128_READ( R128_LAST_DISPATCH_REG );
-
- for ( i = 0 ; i < dma->buf_count ; i++ ) {
- buf = dma->buflist[i];
- buf_priv = buf->dev_private;
- if ( buf->pending && buf_priv->age <= done_age ) {
- /* The buffer has been processed, so it
- * can now be used.
- */
- buf->pending = 0;
- return buf;
- }
- }
- DRM_OS_DELAY( 1 );
- }
-
- DRM_ERROR( "returning NULL!\n" );
- return NULL;
-}
-
-void r128_freelist_reset( drm_device_t *dev )
-{
- drm_device_dma_t *dma = dev->dma;
- int i;
-
- for ( i = 0 ; i < dma->buf_count ; i++ ) {
- drm_buf_t *buf = dma->buflist[i];
- drm_r128_buf_priv_t *buf_priv = buf->dev_private;
- buf_priv->age = 0;
- }
-}
-
-
-/* ================================================================
- * CCE command submission
- */
-
-int r128_wait_ring( drm_r128_private_t *dev_priv, int n )
-{
- drm_r128_ring_buffer_t *ring = &dev_priv->ring;
- int i;
-
- for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) {
- r128_update_ring_snapshot( ring );
- if ( ring->space >= n )
- return 0;
- DRM_OS_DELAY( 1 );
- }
-
- /* FIXME: This is being ignored... */
- DRM_ERROR( "failed!\n" );
- DRM_OS_RETURN( EBUSY );
-}
-
-static int r128_cce_get_buffers( drm_device_t *dev, drm_dma_t *d)
-{
- int i;
- drm_buf_t *buf;
-
- for ( i = d->granted_count ; i < d->request_count ; i++ ) {
- buf = r128_freelist_get( dev );
- if ( !buf ) DRM_OS_RETURN( EAGAIN );
-
- buf->pid = DRM_OS_CURRENTPID;
-
- if ( DRM_OS_COPYTOUSR( &d->request_indices[i], &buf->idx,
- sizeof(buf->idx) ) )
- DRM_OS_RETURN( EFAULT );
- if ( DRM_OS_COPYTOUSR( &d->request_sizes[i], &buf->total,
- sizeof(buf->total) ) )
- DRM_OS_RETURN( EFAULT );
- d->granted_count++;
- }
- return 0;
-}
-
-int r128_cce_buffers( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_device_dma_t *dma = dev->dma;
- int ret = 0;
- drm_dma_t d;
-
- LOCK_TEST_WITH_RETURN( dev );
-
- DRM_OS_KRNFROMUSR( d, (drm_dma_t *) data, sizeof(d) );
-
- /* Please don't send us buffers.
- */
- if ( d.send_count != 0 ) {
- DRM_ERROR( "Process %d trying to send %d buffers via drmDMA\n",
- DRM_OS_CURRENTPID, d.send_count );
- DRM_OS_RETURN( EINVAL );
- }
-
- /* We'll send you buffers.
- */
- if ( d.request_count < 0 || d.request_count > dma->buf_count ) {
- DRM_ERROR( "Process %d trying to get %d buffers (of %d max)\n",
- DRM_OS_CURRENTPID, d.request_count, dma->buf_count );
- DRM_OS_RETURN( EINVAL );
- }
-
- d.granted_count = 0;
-
- if ( d.request_count ) {
- ret = r128_cce_get_buffers( dev, &d );
- }
-
- DRM_OS_KRNTOUSR((drm_dma_t *) data, d, sizeof(d) );
-
- return ret;
-}
+++ /dev/null
-/* r128_drv.c -- ATI Rage 128 driver -*- linux-c -*-
- * Created: Mon Dec 13 09:47:27 1999 by faith@precisioninsight.com
- *
- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Rickard E. (Rik) Faith <faith@valinux.com>
- * Gareth Hughes <gareth@valinux.com>
- */
-
-
-#include <sys/types.h>
-#include <sys/bus.h>
-#include <pci/pcivar.h>
-#include <opt_drm_linux.h>
-
-#include "r128.h"
-#include "drmP.h"
-#include "drm.h"
-#include "r128_drm.h"
-#include "r128_drv.h"
-#if __REALLY_HAVE_SG
-#include "ati_pcigart.h"
-#endif
-
-#define DRIVER_AUTHOR "Gareth Hughes, VA Linux Systems Inc."
-
-#define DRIVER_NAME "r128"
-#define DRIVER_DESC "ATI Rage 128"
-#define DRIVER_DATE "20010405"
-
-#define DRIVER_MAJOR 2
-#define DRIVER_MINOR 2
-#define DRIVER_PATCHLEVEL 0
-
-/* List acquired from http://www.yourvote.com/pci/pcihdr.h and xc/xc/programs/Xserver/hw/xfree86/common/xf86PciInfo.h
- * Please report to anholt@teleport.com inaccuracies or if a chip you have works that is marked unsupported here.
- */
-drm_chipinfo_t DRM(devicelist)[] = {
- {0x1002, 0x4c45, 1, "ATI Rage 128 Mobility LE"},
- {0x1002, 0x4c46, 1, "ATI Rage 128 Mobility LF"},
- {0x1002, 0x4d46, 1, "ATI Rage 128 Mobility MF (AGP 4x)"},
- {0x1002, 0x4d4c, 1, "ATI Rage 128 Mobility ML"},
- {0x1002, 0x5041, 0, "ATI Rage 128 Pro PA (PCI)"},
- {0x1002, 0x5042, 1, "ATI Rage 128 Pro PB (AGP 2x)"},
- {0x1002, 0x5043, 1, "ATI Rage 128 Pro PC (AGP 4x)"},
- {0x1002, 0x5044, 0, "ATI Rage 128 Pro PD (PCI)"},
- {0x1002, 0x5045, 1, "ATI Rage 128 Pro PE (AGP 2x)"},
- {0x1002, 0x5046, 1, "ATI Rage 128 Pro PF (AGP 4x)"},
- {0x1002, 0x5047, 0, "ATI Rage 128 Pro PG (PCI)"},
- {0x1002, 0x5048, 1, "ATI Rage 128 Pro PH (AGP)"},
- {0x1002, 0x5049, 1, "ATI Rage 128 Pro PI (AGP)"},
- {0x1002, 0x504a, 0, "ATI Rage 128 Pro PJ (PCI)"},
- {0x1002, 0x504b, 1, "ATI Rage 128 Pro PK (AGP)"},
- {0x1002, 0x504c, 1, "ATI Rage 128 Pro PL (AGP)"},
- {0x1002, 0x504d, 0, "ATI Rage 128 Pro PM (PCI)"},
- {0x1002, 0x504e, 1, "ATI Rage 128 Pro PN (AGP)"},
- {0x1002, 0x505f, 1, "ATI Rage 128 Pro PO (AGP)"},
- {0x1002, 0x5050, 0, "ATI Rage 128 Pro PP (PCI)"},
- {0x1002, 0x5051, 1, "ATI Rage 128 Pro PQ (AGP)"},
- {0x1002, 0x5052, 1, "ATI Rage 128 Pro PR (AGP)"},
- {0x1002, 0x5053, 0, "ATI Rage 128 Pro PS (PCI)"},
- {0x1002, 0x5054, 1, "ATI Rage 128 Pro PT (AGP)"},
- {0x1002, 0x5055, 1, "ATI Rage 128 Pro PU (AGP)"},
- {0x1002, 0x5056, 0, "ATI Rage 128 Pro PV (PCI)"},
- {0x1002, 0x5057, 1, "ATI Rage 128 Pro PW (AGP)"},
- {0x1002, 0x5058, 1, "ATI Rage 128 Pro PX (AGP)"},
- {0x1002, 0x5245, 0, "ATI Rage 128 GL (PCI)"},
- {0x1002, 0x5246, 1, "ATI Rage 128 GL (AGP 2x)"},
- {0x1002, 0x524b, 0, "ATI Rage 128 VR (PCI)"},
- {0x1002, 0x524c, 1, "ATI Rage 128 VR (AGP 2x)"},
- {0x1002, 0x5345, 0, "ATI Rage 128 SE (PCI)"},
- {0x1002, 0x5346, 1, "ATI Rage 128 SF (AGP 2x)"},
- {0x1002, 0x5347, 1, "ATI Rage 128 SG (AGP 4x)"},
- {0x1002, 0x5348, 0, "ATI Rage 128 SH (unknown)"},
- {0x1002, 0x534b, 0, "ATI Rage 128 SK (PCI)"},
- {0x1002, 0x534c, 1, "ATI Rage 128 SL (AGP 2x)"},
- {0x1002, 0x534d, 1, "ATI Rage 128 SM (AGP 4x)"},
- {0x1002, 0x534e, 1, "ATI Rage 128 (AGP 4x?)"},
- {0, 0, 0, NULL}
-};
-
-#define DRIVER_IOCTLS \
- [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { r128_cce_buffers, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_R128_INIT)] = { r128_cce_init, 1, 1 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_START)] = { r128_cce_start, 1, 1 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_STOP)] = { r128_cce_stop, 1, 1 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_RESET)] = { r128_cce_reset, 1, 1 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_IDLE)] = { r128_cce_idle, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_R128_RESET)] = { r128_engine_reset, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_R128_FULLSCREEN)] = { r128_fullscreen, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_R128_SWAP)] = { r128_cce_swap, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_R128_CLEAR)] = { r128_cce_clear, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_R128_VERTEX)] = { r128_cce_vertex, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_R128_INDICES)] = { r128_cce_indices, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_R128_BLIT)] = { r128_cce_blit, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_R128_DEPTH)] = { r128_cce_depth, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_R128_STIPPLE)] = { r128_cce_stipple, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_R128_INDIRECT)] = { r128_cce_indirect, 1, 1 },
-
-
-#if 0
-/* GH: Count data sent to card via ring or vertex/indirect buffers.
- */
-#define __HAVE_COUNTERS 3
-#define __HAVE_COUNTER6 _DRM_STAT_IRQ
-#define __HAVE_COUNTER7 _DRM_STAT_PRIMARY
-#define __HAVE_COUNTER8 _DRM_STAT_SECONDARY
-#endif
-
-
-#include "drm_agpsupport.h"
-#include "drm_auth.h"
-#include "drm_bufs.h"
-#include "drm_context.h"
-#include "drm_dma.h"
-#include "drm_drawable.h"
-#include "drm_drv.h"
-
-
-#include "drm_fops.h"
-#include "drm_init.h"
-#include "drm_ioctl.h"
-#include "drm_lock.h"
-#include "drm_memory.h"
-#include "drm_sysctl.h"
-#include "drm_vm.h"
-#if __REALLY_HAVE_SG
-#include "drm_scatter.h"
-#endif
-
-DRIVER_MODULE(r128, pci, r128_driver, r128_devclass, 0, 0);
+++ /dev/null
-/* r128_state.c -- State support for r128 -*- linux-c -*-
- * Created: Thu Jan 27 02:53:43 2000 by gareth@valinux.com
- *
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Gareth Hughes <gareth@valinux.com>
- */
-
-
-#include "r128.h"
-#include "drmP.h"
-#include "drm.h"
-#include "r128_drm.h"
-#include "r128_drv.h"
-#include "drm.h"
-
-
-
-/* ================================================================
- * CCE hardware state programming functions
- */
-
-static void r128_emit_clip_rects( drm_r128_private_t *dev_priv,
- drm_clip_rect_t *boxes, int count )
-{
- u32 aux_sc_cntl = 0x00000000;
- RING_LOCALS;
- DRM_DEBUG( " %s\n", __FUNCTION__ );
-
- BEGIN_RING( 17 );
-
- if ( count >= 1 ) {
- OUT_RING( CCE_PACKET0( R128_AUX1_SC_LEFT, 3 ) );
- OUT_RING( boxes[0].x1 );
- OUT_RING( boxes[0].x2 - 1 );
- OUT_RING( boxes[0].y1 );
- OUT_RING( boxes[0].y2 - 1 );
-
- aux_sc_cntl |= (R128_AUX1_SC_EN | R128_AUX1_SC_MODE_OR);
- }
- if ( count >= 2 ) {
- OUT_RING( CCE_PACKET0( R128_AUX2_SC_LEFT, 3 ) );
- OUT_RING( boxes[1].x1 );
- OUT_RING( boxes[1].x2 - 1 );
- OUT_RING( boxes[1].y1 );
- OUT_RING( boxes[1].y2 - 1 );
-
- aux_sc_cntl |= (R128_AUX2_SC_EN | R128_AUX2_SC_MODE_OR);
- }
- if ( count >= 3 ) {
- OUT_RING( CCE_PACKET0( R128_AUX3_SC_LEFT, 3 ) );
- OUT_RING( boxes[2].x1 );
- OUT_RING( boxes[2].x2 - 1 );
- OUT_RING( boxes[2].y1 );
- OUT_RING( boxes[2].y2 - 1 );
-
- aux_sc_cntl |= (R128_AUX3_SC_EN | R128_AUX3_SC_MODE_OR);
- }
-
- OUT_RING( CCE_PACKET0( R128_AUX_SC_CNTL, 0 ) );
- OUT_RING( aux_sc_cntl );
-
- ADVANCE_RING();
-}
-
-static __inline__ void r128_emit_core( drm_r128_private_t *dev_priv )
-{
- drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
- RING_LOCALS;
- DRM_DEBUG( " %s\n", __FUNCTION__ );
-
- BEGIN_RING( 2 );
-
- OUT_RING( CCE_PACKET0( R128_SCALE_3D_CNTL, 0 ) );
- OUT_RING( ctx->scale_3d_cntl );
-
- ADVANCE_RING();
-}
-
-static __inline__ void r128_emit_context( drm_r128_private_t *dev_priv )
-{
- drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
- RING_LOCALS;
- DRM_DEBUG( " %s\n", __FUNCTION__ );
-
- BEGIN_RING( 13 );
-
- OUT_RING( CCE_PACKET0( R128_DST_PITCH_OFFSET_C, 11 ) );
- OUT_RING( ctx->dst_pitch_offset_c );
- OUT_RING( ctx->dp_gui_master_cntl_c );
- OUT_RING( ctx->sc_top_left_c );
- OUT_RING( ctx->sc_bottom_right_c );
- OUT_RING( ctx->z_offset_c );
- OUT_RING( ctx->z_pitch_c );
- OUT_RING( ctx->z_sten_cntl_c );
- OUT_RING( ctx->tex_cntl_c );
- OUT_RING( ctx->misc_3d_state_cntl_reg );
- OUT_RING( ctx->texture_clr_cmp_clr_c );
- OUT_RING( ctx->texture_clr_cmp_msk_c );
- OUT_RING( ctx->fog_color_c );
-
- ADVANCE_RING();
-}
-
-static __inline__ void r128_emit_setup( drm_r128_private_t *dev_priv )
-{
- drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
- RING_LOCALS;
- DRM_DEBUG( " %s\n", __FUNCTION__ );
-
- BEGIN_RING( 3 );
-
- OUT_RING( CCE_PACKET1( R128_SETUP_CNTL, R128_PM4_VC_FPU_SETUP ) );
- OUT_RING( ctx->setup_cntl );
- OUT_RING( ctx->pm4_vc_fpu_setup );
-
- ADVANCE_RING();
-}
-
-static __inline__ void r128_emit_masks( drm_r128_private_t *dev_priv )
-{
- drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
- RING_LOCALS;
- DRM_DEBUG( " %s\n", __FUNCTION__ );
-
- BEGIN_RING( 5 );
-
- OUT_RING( CCE_PACKET0( R128_DP_WRITE_MASK, 0 ) );
- OUT_RING( ctx->dp_write_mask );
-
- OUT_RING( CCE_PACKET0( R128_STEN_REF_MASK_C, 1 ) );
- OUT_RING( ctx->sten_ref_mask_c );
- OUT_RING( ctx->plane_3d_mask_c );
-
- ADVANCE_RING();
-}
-
-static __inline__ void r128_emit_window( drm_r128_private_t *dev_priv )
-{
- drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
- RING_LOCALS;
- DRM_DEBUG( " %s\n", __FUNCTION__ );
-
- BEGIN_RING( 2 );
-
- OUT_RING( CCE_PACKET0( R128_WINDOW_XY_OFFSET, 0 ) );
- OUT_RING( ctx->window_xy_offset );
-
- ADVANCE_RING();
-}
-
-static __inline__ void r128_emit_tex0( drm_r128_private_t *dev_priv )
-{
- drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
- drm_r128_texture_regs_t *tex = &sarea_priv->tex_state[0];
- int i;
- RING_LOCALS;
- DRM_DEBUG( " %s\n", __FUNCTION__ );
-
- BEGIN_RING( 7 + R128_MAX_TEXTURE_LEVELS );
-
- OUT_RING( CCE_PACKET0( R128_PRIM_TEX_CNTL_C,
- 2 + R128_MAX_TEXTURE_LEVELS ) );
- OUT_RING( tex->tex_cntl );
- OUT_RING( tex->tex_combine_cntl );
- OUT_RING( ctx->tex_size_pitch_c );
- for ( i = 0 ; i < R128_MAX_TEXTURE_LEVELS ; i++ ) {
- OUT_RING( tex->tex_offset[i] );
- }
-
- OUT_RING( CCE_PACKET0( R128_CONSTANT_COLOR_C, 1 ) );
- OUT_RING( ctx->constant_color_c );
- OUT_RING( tex->tex_border_color );
-
- ADVANCE_RING();
-}
-
-static __inline__ void r128_emit_tex1( drm_r128_private_t *dev_priv )
-{
- drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_r128_texture_regs_t *tex = &sarea_priv->tex_state[1];
- int i;
- RING_LOCALS;
- DRM_DEBUG( " %s\n", __FUNCTION__ );
-
- BEGIN_RING( 5 + R128_MAX_TEXTURE_LEVELS );
-
- OUT_RING( CCE_PACKET0( R128_SEC_TEX_CNTL_C,
- 1 + R128_MAX_TEXTURE_LEVELS ) );
- OUT_RING( tex->tex_cntl );
- OUT_RING( tex->tex_combine_cntl );
- for ( i = 0 ; i < R128_MAX_TEXTURE_LEVELS ; i++ ) {
- OUT_RING( tex->tex_offset[i] );
- }
-
- OUT_RING( CCE_PACKET0( R128_SEC_TEXTURE_BORDER_COLOR_C, 0 ) );
- OUT_RING( tex->tex_border_color );
-
- ADVANCE_RING();
-}
-
-static __inline__ void r128_emit_state( drm_r128_private_t *dev_priv )
-{
- drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
- unsigned int dirty = sarea_priv->dirty;
-
- DRM_DEBUG( "%s: dirty=0x%08x\n", __FUNCTION__, dirty );
-
- if ( dirty & R128_UPLOAD_CORE ) {
- r128_emit_core( dev_priv );
- sarea_priv->dirty &= ~R128_UPLOAD_CORE;
- }
-
- if ( dirty & R128_UPLOAD_CONTEXT ) {
- r128_emit_context( dev_priv );
- sarea_priv->dirty &= ~R128_UPLOAD_CONTEXT;
- }
-
- if ( dirty & R128_UPLOAD_SETUP ) {
- r128_emit_setup( dev_priv );
- sarea_priv->dirty &= ~R128_UPLOAD_SETUP;
- }
-
- if ( dirty & R128_UPLOAD_MASKS ) {
- r128_emit_masks( dev_priv );
- sarea_priv->dirty &= ~R128_UPLOAD_MASKS;
- }
-
- if ( dirty & R128_UPLOAD_WINDOW ) {
- r128_emit_window( dev_priv );
- sarea_priv->dirty &= ~R128_UPLOAD_WINDOW;
- }
-
- if ( dirty & R128_UPLOAD_TEX0 ) {
- r128_emit_tex0( dev_priv );
- sarea_priv->dirty &= ~R128_UPLOAD_TEX0;
- }
-
- if ( dirty & R128_UPLOAD_TEX1 ) {
- r128_emit_tex1( dev_priv );
- sarea_priv->dirty &= ~R128_UPLOAD_TEX1;
- }
-
- /* Turn off the texture cache flushing */
- sarea_priv->context_state.tex_cntl_c &= ~R128_TEX_CACHE_FLUSH;
-
- sarea_priv->dirty &= ~R128_REQUIRE_QUIESCENCE;
-}
-
-
-#if R128_PERFORMANCE_BOXES
-/* ================================================================
- * Performance monitoring functions
- */
-
-static void r128_clear_box( drm_r128_private_t *dev_priv,
- int x, int y, int w, int h,
- int r, int g, int b )
-{
- u32 pitch, offset;
- u32 fb_bpp, color;
- RING_LOCALS;
-
- switch ( dev_priv->fb_bpp ) {
- case 16:
- fb_bpp = R128_GMC_DST_16BPP;
- color = (((r & 0xf8) << 8) |
- ((g & 0xfc) << 3) |
- ((b & 0xf8) >> 3));
- break;
- case 24:
- fb_bpp = R128_GMC_DST_24BPP;
- color = ((r << 16) | (g << 8) | b);
- break;
- case 32:
- fb_bpp = R128_GMC_DST_32BPP;
- color = (((0xff) << 24) | (r << 16) | (g << 8) | b);
- break;
- default:
- return;
- }
-
- offset = dev_priv->back_offset;
- pitch = dev_priv->back_pitch >> 3;
-
- BEGIN_RING( 6 );
-
- OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) );
- OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL |
- R128_GMC_BRUSH_SOLID_COLOR |
- fb_bpp |
- R128_GMC_SRC_DATATYPE_COLOR |
- R128_ROP3_P |
- R128_GMC_CLR_CMP_CNTL_DIS |
- R128_GMC_AUX_CLIP_DIS );
-
- OUT_RING( (pitch << 21) | (offset >> 5) );
- OUT_RING( color );
-
- OUT_RING( (x << 16) | y );
- OUT_RING( (w << 16) | h );
-
- ADVANCE_RING();
-}
-
-static void r128_cce_performance_boxes( drm_r128_private_t *dev_priv )
-{
- if ( atomic_read( &dev_priv->idle_count ) == 0 ) {
- r128_clear_box( dev_priv, 64, 4, 8, 8, 0, 255, 0 );
- } else {
- atomic_set( &dev_priv->idle_count, 0 );
- }
-}
-
-#endif
-
-
-/* ================================================================
- * CCE command dispatch functions
- */
-
-static void r128_print_dirty( const char *msg, unsigned int flags )
-{
- DRM_INFO( "%s: (0x%x) %s%s%s%s%s%s%s%s%s\n",
- msg,
- flags,
- (flags & R128_UPLOAD_CORE) ? "core, " : "",
- (flags & R128_UPLOAD_CONTEXT) ? "context, " : "",
- (flags & R128_UPLOAD_SETUP) ? "setup, " : "",
- (flags & R128_UPLOAD_TEX0) ? "tex0, " : "",
- (flags & R128_UPLOAD_TEX1) ? "tex1, " : "",
- (flags & R128_UPLOAD_MASKS) ? "masks, " : "",
- (flags & R128_UPLOAD_WINDOW) ? "window, " : "",
- (flags & R128_UPLOAD_CLIPRECTS) ? "cliprects, " : "",
- (flags & R128_REQUIRE_QUIESCENCE) ? "quiescence, " : "" );
-}
-
-static void r128_cce_dispatch_clear( drm_device_t *dev,
- drm_r128_clear_t *clear )
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
- drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
- int nbox = sarea_priv->nbox;
- drm_clip_rect_t *pbox = sarea_priv->boxes;
- unsigned int flags = clear->flags;
- int i;
- RING_LOCALS;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- if ( dev_priv->page_flipping && dev_priv->current_page == 1 ) {
- unsigned int tmp = flags;
-
- flags &= ~(R128_FRONT | R128_BACK);
- if ( tmp & R128_FRONT ) flags |= R128_BACK;
- if ( tmp & R128_BACK ) flags |= R128_FRONT;
- }
-
- for ( i = 0 ; i < nbox ; i++ ) {
- int x = pbox[i].x1;
- int y = pbox[i].y1;
- int w = pbox[i].x2 - x;
- int h = pbox[i].y2 - y;
-
- DRM_DEBUG( "dispatch clear %d,%d-%d,%d flags 0x%x\n",
- pbox[i].x1, pbox[i].y1, pbox[i].x2,
- pbox[i].y2, flags );
-
- if ( flags & (R128_FRONT | R128_BACK) ) {
- BEGIN_RING( 2 );
-
- OUT_RING( CCE_PACKET0( R128_DP_WRITE_MASK, 0 ) );
- OUT_RING( clear->color_mask );
-
- ADVANCE_RING();
- }
-
- if ( flags & R128_FRONT ) {
- BEGIN_RING( 6 );
-
- OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) );
- OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL |
- R128_GMC_BRUSH_SOLID_COLOR |
- (dev_priv->color_fmt << 8) |
- R128_GMC_SRC_DATATYPE_COLOR |
- R128_ROP3_P |
- R128_GMC_CLR_CMP_CNTL_DIS |
- R128_GMC_AUX_CLIP_DIS );
-
- OUT_RING( dev_priv->front_pitch_offset_c );
- OUT_RING( clear->clear_color );
-
- OUT_RING( (x << 16) | y );
- OUT_RING( (w << 16) | h );
-
- ADVANCE_RING();
- }
-
- if ( flags & R128_BACK ) {
- BEGIN_RING( 6 );
-
- OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) );
- OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL |
- R128_GMC_BRUSH_SOLID_COLOR |
- (dev_priv->color_fmt << 8) |
- R128_GMC_SRC_DATATYPE_COLOR |
- R128_ROP3_P |
- R128_GMC_CLR_CMP_CNTL_DIS |
- R128_GMC_AUX_CLIP_DIS );
-
- OUT_RING( dev_priv->back_pitch_offset_c );
- OUT_RING( clear->clear_color );
-
- OUT_RING( (x << 16) | y );
- OUT_RING( (w << 16) | h );
-
- ADVANCE_RING();
- }
-
- if ( flags & R128_DEPTH ) {
- BEGIN_RING( 6 );
-
- OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) );
- OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL |
- R128_GMC_BRUSH_SOLID_COLOR |
- (dev_priv->depth_fmt << 8) |
- R128_GMC_SRC_DATATYPE_COLOR |
- R128_ROP3_P |
- R128_GMC_CLR_CMP_CNTL_DIS |
- R128_GMC_AUX_CLIP_DIS |
- R128_GMC_WR_MSK_DIS );
-
- OUT_RING( dev_priv->depth_pitch_offset_c );
- OUT_RING( clear->clear_depth );
-
- OUT_RING( (x << 16) | y );
- OUT_RING( (w << 16) | h );
-
- ADVANCE_RING();
- }
- }
-}
-
-static void r128_cce_dispatch_swap( drm_device_t *dev )
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
- drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
- int nbox = sarea_priv->nbox;
- drm_clip_rect_t *pbox = sarea_priv->boxes;
- int i;
- RING_LOCALS;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
-#if R128_PERFORMANCE_BOXES
- /* Do some trivial performance monitoring...
- */
- r128_cce_performance_boxes( dev_priv );
-#endif
-
- for ( i = 0 ; i < nbox ; i++ ) {
- int x = pbox[i].x1;
- int y = pbox[i].y1;
- int w = pbox[i].x2 - x;
- int h = pbox[i].y2 - y;
-
- BEGIN_RING( 7 );
-
- OUT_RING( CCE_PACKET3( R128_CNTL_BITBLT_MULTI, 5 ) );
- OUT_RING( R128_GMC_SRC_PITCH_OFFSET_CNTL |
- R128_GMC_DST_PITCH_OFFSET_CNTL |
- R128_GMC_BRUSH_NONE |
- (dev_priv->color_fmt << 8) |
- R128_GMC_SRC_DATATYPE_COLOR |
- R128_ROP3_S |
- R128_DP_SRC_SOURCE_MEMORY |
- R128_GMC_CLR_CMP_CNTL_DIS |
- R128_GMC_AUX_CLIP_DIS |
- R128_GMC_WR_MSK_DIS );
-
- OUT_RING( dev_priv->back_pitch_offset_c );
- OUT_RING( dev_priv->front_pitch_offset_c );
-
- OUT_RING( (x << 16) | y );
- OUT_RING( (x << 16) | y );
- OUT_RING( (w << 16) | h );
-
- ADVANCE_RING();
- }
-
- /* Increment the frame counter. The client-side 3D driver must
- * throttle the framerate by waiting for this value before
- * performing the swapbuffer ioctl.
- */
- dev_priv->sarea_priv->last_frame++;
-
- BEGIN_RING( 2 );
-
- OUT_RING( CCE_PACKET0( R128_LAST_FRAME_REG, 0 ) );
- OUT_RING( dev_priv->sarea_priv->last_frame );
-
- ADVANCE_RING();
-}
-
-static void r128_cce_dispatch_flip( drm_device_t *dev )
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
- RING_LOCALS;
- DRM_DEBUG( "%s: page=%d\n", __FUNCTION__, dev_priv->current_page );
-
-#if R128_PERFORMANCE_BOXES
- /* Do some trivial performance monitoring...
- */
- r128_cce_performance_boxes( dev_priv );
-#endif
-
- BEGIN_RING( 4 );
-
- R128_WAIT_UNTIL_PAGE_FLIPPED();
- OUT_RING( CCE_PACKET0( R128_CRTC_OFFSET, 0 ) );
-
- if ( dev_priv->current_page == 0 ) {
- OUT_RING( dev_priv->back_offset );
- dev_priv->current_page = 1;
- } else {
- OUT_RING( dev_priv->front_offset );
- dev_priv->current_page = 0;
- }
-
- ADVANCE_RING();
-
- /* Increment the frame counter. The client-side 3D driver must
- * throttle the framerate by waiting for this value before
- * performing the swapbuffer ioctl.
- */
- dev_priv->sarea_priv->last_frame++;
-
- BEGIN_RING( 2 );
-
- OUT_RING( CCE_PACKET0( R128_LAST_FRAME_REG, 0 ) );
- OUT_RING( dev_priv->sarea_priv->last_frame );
-
- ADVANCE_RING();
-}
-
-static void r128_cce_dispatch_vertex( drm_device_t *dev,
- drm_buf_t *buf )
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
- drm_r128_buf_priv_t *buf_priv = buf->dev_private;
- drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
- int format = sarea_priv->vc_format;
- int offset = buf->bus_address;
- int size = buf->used;
- int prim = buf_priv->prim;
- int i = 0;
- RING_LOCALS;
- DRM_DEBUG( "%s: buf=%d nbox=%d\n",
- __FUNCTION__, buf->idx, sarea_priv->nbox );
-
- if ( 0 )
- r128_print_dirty( "dispatch_vertex", sarea_priv->dirty );
-
- if ( buf->used ) {
- buf_priv->dispatched = 1;
-
- if ( sarea_priv->dirty & ~R128_UPLOAD_CLIPRECTS ) {
- r128_emit_state( dev_priv );
- }
-
- do {
- /* Emit the next set of up to three cliprects */
- if ( i < sarea_priv->nbox ) {
- r128_emit_clip_rects( dev_priv,
- &sarea_priv->boxes[i],
- sarea_priv->nbox - i );
- }
-
- /* Emit the vertex buffer rendering commands */
- BEGIN_RING( 5 );
-
- OUT_RING( CCE_PACKET3( R128_3D_RNDR_GEN_INDX_PRIM, 3 ) );
- OUT_RING( offset );
- OUT_RING( size );
- OUT_RING( format );
- OUT_RING( prim | R128_CCE_VC_CNTL_PRIM_WALK_LIST |
- (size << R128_CCE_VC_CNTL_NUM_SHIFT) );
-
- ADVANCE_RING();
-
- i += 3;
- } while ( i < sarea_priv->nbox );
- }
-
- if ( buf_priv->discard ) {
- buf_priv->age = dev_priv->sarea_priv->last_dispatch;
-
- /* Emit the vertex buffer age */
- BEGIN_RING( 2 );
-
- OUT_RING( CCE_PACKET0( R128_LAST_DISPATCH_REG, 0 ) );
- OUT_RING( buf_priv->age );
-
- ADVANCE_RING();
-
- buf->pending = 1;
- buf->used = 0;
- /* FIXME: Check dispatched field */
- buf_priv->dispatched = 0;
- }
-
- dev_priv->sarea_priv->last_dispatch++;
-
- sarea_priv->dirty &= ~R128_UPLOAD_CLIPRECTS;
- sarea_priv->nbox = 0;
-}
-
-static void r128_cce_dispatch_indirect( drm_device_t *dev,
- drm_buf_t *buf,
- int start, int end )
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
- drm_r128_buf_priv_t *buf_priv = buf->dev_private;
- RING_LOCALS;
- DRM_DEBUG( "indirect: buf=%d s=0x%x e=0x%x\n",
- buf->idx, start, end );
-
- if ( start != end ) {
- int offset = buf->bus_address + start;
- int dwords = (end - start + 3) / sizeof(u32);
-
- /* Indirect buffer data must be an even number of
- * dwords, so if we've been given an odd number we must
- * pad the data with a Type-2 CCE packet.
- */
- if ( dwords & 1 ) {
- u32 *data = (u32 *)
- ((char *)dev_priv->buffers->handle
- + buf->offset + start);
- data[dwords++] = cpu_to_le32( R128_CCE_PACKET2 );
- }
-
- buf_priv->dispatched = 1;
-
- /* Fire off the indirect buffer */
- BEGIN_RING( 3 );
-
- OUT_RING( CCE_PACKET0( R128_PM4_IW_INDOFF, 1 ) );
- OUT_RING( offset );
- OUT_RING( dwords );
-
- ADVANCE_RING();
- }
-
- if ( buf_priv->discard ) {
- buf_priv->age = dev_priv->sarea_priv->last_dispatch;
-
- /* Emit the indirect buffer age */
- BEGIN_RING( 2 );
-
- OUT_RING( CCE_PACKET0( R128_LAST_DISPATCH_REG, 0 ) );
- OUT_RING( buf_priv->age );
-
- ADVANCE_RING();
-
- buf->pending = 1;
- buf->used = 0;
- /* FIXME: Check dispatched field */
- buf_priv->dispatched = 0;
- }
-
- dev_priv->sarea_priv->last_dispatch++;
-}
-
-static void r128_cce_dispatch_indices( drm_device_t *dev,
- drm_buf_t *buf,
- int start, int end,
- int count )
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
- drm_r128_buf_priv_t *buf_priv = buf->dev_private;
- drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
- int format = sarea_priv->vc_format;
- int offset = dev_priv->buffers->offset - dev_priv->cce_buffers_offset;
- int prim = buf_priv->prim;
- u32 *data;
- int dwords;
- int i = 0;
- RING_LOCALS;
- DRM_DEBUG( "indices: s=%d e=%d c=%d\n", start, end, count );
-
- if ( 0 )
- r128_print_dirty( "dispatch_indices", sarea_priv->dirty );
-
- if ( start != end ) {
- buf_priv->dispatched = 1;
-
- if ( sarea_priv->dirty & ~R128_UPLOAD_CLIPRECTS ) {
- r128_emit_state( dev_priv );
- }
-
- dwords = (end - start + 3) / sizeof(u32);
-
- data = (u32 *)((char *)dev_priv->buffers->handle
- + buf->offset + start);
-
- data[0] = cpu_to_le32( CCE_PACKET3( R128_3D_RNDR_GEN_INDX_PRIM,
- dwords-2 ) );
-
- data[1] = cpu_to_le32( offset );
- data[2] = cpu_to_le32( R128_MAX_VB_VERTS );
- data[3] = cpu_to_le32( format );
- data[4] = cpu_to_le32( (prim | R128_CCE_VC_CNTL_PRIM_WALK_IND |
- (count << 16)) );
-
- if ( count & 0x1 ) {
-#if BYTE_ORDER==LITTLE_ENDIAN
- data[dwords-1] &= 0x0000ffff;
-#else
- data[dwords-1] &= 0xffff0000;
-#endif
- }
-
- do {
- /* Emit the next set of up to three cliprects */
- if ( i < sarea_priv->nbox ) {
- r128_emit_clip_rects( dev_priv,
- &sarea_priv->boxes[i],
- sarea_priv->nbox - i );
- }
-
- r128_cce_dispatch_indirect( dev, buf, start, end );
-
- i += 3;
- } while ( i < sarea_priv->nbox );
- }
-
- if ( buf_priv->discard ) {
- buf_priv->age = dev_priv->sarea_priv->last_dispatch;
-
- /* Emit the vertex buffer age */
- BEGIN_RING( 2 );
-
- OUT_RING( CCE_PACKET0( R128_LAST_DISPATCH_REG, 0 ) );
- OUT_RING( buf_priv->age );
-
- ADVANCE_RING();
-
- buf->pending = 1;
- /* FIXME: Check dispatched field */
- buf_priv->dispatched = 0;
- }
-
- dev_priv->sarea_priv->last_dispatch++;
-
- sarea_priv->dirty &= ~R128_UPLOAD_CLIPRECTS;
- sarea_priv->nbox = 0;
-}
-
-static int r128_cce_dispatch_blit( drm_device_t *dev,
- drm_r128_blit_t *blit, int pid )
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
- drm_device_dma_t *dma = dev->dma;
- drm_buf_t *buf;
- drm_r128_buf_priv_t *buf_priv;
- u32 *data;
- int dword_shift, dwords;
- RING_LOCALS;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- /* The compiler won't optimize away a division by a variable,
- * even if the only legal values are powers of two. Thus, we'll
- * use a shift instead.
- */
- switch ( blit->format ) {
- case R128_DATATYPE_ARGB8888:
- dword_shift = 0;
- break;
- case R128_DATATYPE_ARGB1555:
- case R128_DATATYPE_RGB565:
- case R128_DATATYPE_ARGB4444:
- dword_shift = 1;
- break;
- case R128_DATATYPE_CI8:
- case R128_DATATYPE_RGB8:
- dword_shift = 2;
- break;
- default:
- DRM_ERROR( "invalid blit format %d\n", blit->format );
- DRM_OS_RETURN( EINVAL );
- }
-
- /* Flush the pixel cache, and mark the contents as Read Invalid.
- * This ensures no pixel data gets mixed up with the texture
- * data from the host data blit, otherwise part of the texture
- * image may be corrupted.
- */
- BEGIN_RING( 2 );
-
- OUT_RING( CCE_PACKET0( R128_PC_GUI_CTLSTAT, 0 ) );
- OUT_RING( R128_PC_RI_GUI | R128_PC_FLUSH_GUI );
-
- ADVANCE_RING();
-
- /* Dispatch the indirect buffer.
- */
- buf = dma->buflist[blit->idx];
- buf_priv = buf->dev_private;
-
- if ( buf->pid != pid ) {
- DRM_ERROR( "process %d using buffer owned by %d\n",
- pid, buf->pid );
- DRM_OS_RETURN( EINVAL );
- }
- if ( buf->pending ) {
- DRM_ERROR( "sending pending buffer %d\n", blit->idx );
- DRM_OS_RETURN( EINVAL );
- }
-
- buf_priv->discard = 1;
-
- dwords = (blit->width * blit->height) >> dword_shift;
-
- data = (u32 *)((char *)dev_priv->buffers->handle + buf->offset);
-
- data[0] = cpu_to_le32( CCE_PACKET3( R128_CNTL_HOSTDATA_BLT, dwords + 6 ) );
- data[1] = cpu_to_le32( (R128_GMC_DST_PITCH_OFFSET_CNTL |
- R128_GMC_BRUSH_NONE |
- (blit->format << 8) |
- R128_GMC_SRC_DATATYPE_COLOR |
- R128_ROP3_S |
- R128_DP_SRC_SOURCE_HOST_DATA |
- R128_GMC_CLR_CMP_CNTL_DIS |
- R128_GMC_AUX_CLIP_DIS |
- R128_GMC_WR_MSK_DIS) );
-
- data[2] = cpu_to_le32( (blit->pitch << 21) | (blit->offset >> 5) );
- data[3] = cpu_to_le32( 0xffffffff );
- data[4] = cpu_to_le32( 0xffffffff );
- data[5] = cpu_to_le32( (blit->y << 16) | blit->x );
- data[6] = cpu_to_le32( (blit->height << 16) | blit->width );
- data[7] = cpu_to_le32( dwords );
-
- buf->used = (dwords + 8) * sizeof(u32);
-
- r128_cce_dispatch_indirect( dev, buf, 0, buf->used );
-
- /* Flush the pixel cache after the blit completes. This ensures
- * the texture data is written out to memory before rendering
- * continues.
- */
- BEGIN_RING( 2 );
-
- OUT_RING( CCE_PACKET0( R128_PC_GUI_CTLSTAT, 0 ) );
- OUT_RING( R128_PC_FLUSH_GUI );
-
- ADVANCE_RING();
-
- return 0;
-}
-
-
-/* ================================================================
- * Tiled depth buffer management
- *
- * FIXME: These should all set the destination write mask for when we
- * have hardware stencil support.
- */
-
-static int r128_cce_dispatch_write_span( drm_device_t *dev,
- drm_r128_depth_t *depth )
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
- int count, x, y;
- u32 *buffer;
- u8 *mask;
- int i;
- RING_LOCALS;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- count = depth->n;
- if ( DRM_OS_COPYFROMUSR( &x, depth->x, sizeof(x) ) ) {
- DRM_OS_RETURN( EFAULT );
- }
- if ( DRM_OS_COPYFROMUSR( &y, depth->y, sizeof(y) ) ) {
- DRM_OS_RETURN( EFAULT );
- }
-
- buffer = DRM_OS_MALLOC( depth->n * sizeof(u32) );
- if ( buffer == NULL )
- DRM_OS_RETURN( ENOMEM );
- if ( DRM_OS_COPYFROMUSR( buffer, depth->buffer,
- depth->n * sizeof(u32) ) ) {
- DRM_OS_FREE( buffer );
- DRM_OS_RETURN( EFAULT );
- }
-
- if ( depth->mask ) {
- mask = DRM_OS_MALLOC( depth->n * sizeof(u8) );
- if ( mask == NULL ) {
- DRM_OS_FREE( buffer );
- DRM_OS_RETURN( ENOMEM );
- }
- if ( DRM_OS_COPYFROMUSR( mask, depth->mask,
- depth->n * sizeof(u8) ) ) {
- DRM_OS_FREE( buffer );
- DRM_OS_FREE( mask );
- DRM_OS_RETURN( EFAULT );
- }
-
- for ( i = 0 ; i < count ; i++, x++ ) {
- if ( mask[i] ) {
- BEGIN_RING( 6 );
-
- OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) );
- OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL |
- R128_GMC_BRUSH_SOLID_COLOR |
- (dev_priv->depth_fmt << 8) |
- R128_GMC_SRC_DATATYPE_COLOR |
- R128_ROP3_P |
- R128_GMC_CLR_CMP_CNTL_DIS |
- R128_GMC_WR_MSK_DIS );
-
- OUT_RING( dev_priv->depth_pitch_offset_c );
- OUT_RING( buffer[i] );
-
- OUT_RING( (x << 16) | y );
- OUT_RING( (1 << 16) | 1 );
-
- ADVANCE_RING();
- }
- }
-
- DRM_OS_FREE( mask );
- } else {
- for ( i = 0 ; i < count ; i++, x++ ) {
- BEGIN_RING( 6 );
-
- OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) );
- OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL |
- R128_GMC_BRUSH_SOLID_COLOR |
- (dev_priv->depth_fmt << 8) |
- R128_GMC_SRC_DATATYPE_COLOR |
- R128_ROP3_P |
- R128_GMC_CLR_CMP_CNTL_DIS |
- R128_GMC_WR_MSK_DIS );
-
- OUT_RING( dev_priv->depth_pitch_offset_c );
- OUT_RING( buffer[i] );
-
- OUT_RING( (x << 16) | y );
- OUT_RING( (1 << 16) | 1 );
-
- ADVANCE_RING();
- }
- }
-
- DRM_OS_FREE( buffer );
-
- return 0;
-}
-
-static int r128_cce_dispatch_write_pixels( drm_device_t *dev,
- drm_r128_depth_t *depth )
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
- int count, *x, *y;
- u32 *buffer;
- u8 *mask;
- int i;
- RING_LOCALS;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- count = depth->n;
-
- x = DRM_OS_MALLOC( count * sizeof(*x) );
- if ( x == NULL ) {
- DRM_OS_RETURN( ENOMEM );
- }
- y = DRM_OS_MALLOC( count * sizeof(*y) );
- if ( y == NULL ) {
- DRM_OS_FREE( x );
- DRM_OS_RETURN( ENOMEM );
- }
- if ( DRM_OS_COPYFROMUSR( x, depth->x, count * sizeof(int) ) ) {
- DRM_OS_FREE( x );
- DRM_OS_FREE( y );
- DRM_OS_RETURN( EFAULT );
- }
- if ( DRM_OS_COPYFROMUSR( y, depth->y, count * sizeof(int) ) ) {
- DRM_OS_FREE( x );
- DRM_OS_FREE( y );
- DRM_OS_RETURN( EFAULT );
- }
-
- buffer = DRM_OS_MALLOC( depth->n * sizeof(u32) );
- if ( buffer == NULL ) {
- DRM_OS_FREE( x );
- DRM_OS_FREE( y );
- DRM_OS_RETURN( ENOMEM );
- }
- if ( DRM_OS_COPYFROMUSR( buffer, depth->buffer,
- depth->n * sizeof(u32) ) ) {
- DRM_OS_FREE( x );
- DRM_OS_FREE( y );
- DRM_OS_FREE( buffer );
- DRM_OS_RETURN( EFAULT );
- }
-
- if ( depth->mask ) {
- mask = DRM_OS_MALLOC( depth->n * sizeof(u8) );
- if ( mask == NULL ) {
- DRM_OS_FREE( x );
- DRM_OS_FREE( y );
- DRM_OS_FREE( buffer );
- DRM_OS_RETURN( ENOMEM );
- }
- if ( DRM_OS_COPYFROMUSR( mask, depth->mask,
- depth->n * sizeof(u8) ) ) {
- DRM_OS_FREE( x );
- DRM_OS_FREE( y );
- DRM_OS_FREE( buffer );
- DRM_OS_FREE( mask );
- DRM_OS_RETURN( EFAULT );
- }
-
- for ( i = 0 ; i < count ; i++ ) {
- if ( mask[i] ) {
- BEGIN_RING( 6 );
-
- OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) );
- OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL |
- R128_GMC_BRUSH_SOLID_COLOR |
- (dev_priv->depth_fmt << 8) |
- R128_GMC_SRC_DATATYPE_COLOR |
- R128_ROP3_P |
- R128_GMC_CLR_CMP_CNTL_DIS |
- R128_GMC_WR_MSK_DIS );
-
- OUT_RING( dev_priv->depth_pitch_offset_c );
- OUT_RING( buffer[i] );
-
- OUT_RING( (x[i] << 16) | y[i] );
- OUT_RING( (1 << 16) | 1 );
-
- ADVANCE_RING();
- }
- }
-
- DRM_OS_FREE( mask );
- } else {
- for ( i = 0 ; i < count ; i++ ) {
- BEGIN_RING( 6 );
-
- OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) );
- OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL |
- R128_GMC_BRUSH_SOLID_COLOR |
- (dev_priv->depth_fmt << 8) |
- R128_GMC_SRC_DATATYPE_COLOR |
- R128_ROP3_P |
- R128_GMC_CLR_CMP_CNTL_DIS |
- R128_GMC_WR_MSK_DIS );
-
- OUT_RING( dev_priv->depth_pitch_offset_c );
- OUT_RING( buffer[i] );
-
- OUT_RING( (x[i] << 16) | y[i] );
- OUT_RING( (1 << 16) | 1 );
-
- ADVANCE_RING();
- }
- }
-
- DRM_OS_FREE( x );
- DRM_OS_FREE( y );
- DRM_OS_FREE( buffer );
-
- return 0;
-}
-
-static int r128_cce_dispatch_read_span( drm_device_t *dev,
- drm_r128_depth_t *depth )
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
- int count, x, y;
- RING_LOCALS;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- count = depth->n;
- if ( DRM_OS_COPYFROMUSR( &x, depth->x, sizeof(x) ) ) {
- DRM_OS_RETURN( EFAULT );
- }
- if ( DRM_OS_COPYFROMUSR( &y, depth->y, sizeof(y) ) ) {
- DRM_OS_RETURN( EFAULT );
- }
-
- BEGIN_RING( 7 );
-
- OUT_RING( CCE_PACKET3( R128_CNTL_BITBLT_MULTI, 5 ) );
- OUT_RING( R128_GMC_SRC_PITCH_OFFSET_CNTL |
- R128_GMC_DST_PITCH_OFFSET_CNTL |
- R128_GMC_BRUSH_NONE |
- (dev_priv->depth_fmt << 8) |
- R128_GMC_SRC_DATATYPE_COLOR |
- R128_ROP3_S |
- R128_DP_SRC_SOURCE_MEMORY |
- R128_GMC_CLR_CMP_CNTL_DIS |
- R128_GMC_WR_MSK_DIS );
-
- OUT_RING( dev_priv->depth_pitch_offset_c );
- OUT_RING( dev_priv->span_pitch_offset_c );
-
- OUT_RING( (x << 16) | y );
- OUT_RING( (0 << 16) | 0 );
- OUT_RING( (count << 16) | 1 );
-
- ADVANCE_RING();
-
- return 0;
-}
-
-static int r128_cce_dispatch_read_pixels( drm_device_t *dev,
- drm_r128_depth_t *depth )
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
- int count, *x, *y;
- int i;
- RING_LOCALS;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- count = depth->n;
- if ( count > dev_priv->depth_pitch ) {
- count = dev_priv->depth_pitch;
- }
-
- x = DRM_OS_MALLOC( count * sizeof(*x) );
- if ( x == NULL ) {
- DRM_OS_RETURN( ENOMEM );
- }
- y = DRM_OS_MALLOC( count * sizeof(*y) );
- if ( y == NULL ) {
- DRM_OS_FREE( x );
- DRM_OS_RETURN( ENOMEM );
- }
- if ( DRM_OS_COPYFROMUSR( x, depth->x, count * sizeof(int) ) ) {
- DRM_OS_FREE( x );
- DRM_OS_FREE( y );
- DRM_OS_RETURN( EFAULT );
- }
- if ( DRM_OS_COPYFROMUSR( y, depth->y, count * sizeof(int) ) ) {
- DRM_OS_FREE( x );
- DRM_OS_FREE( y );
- DRM_OS_RETURN( EFAULT );
- }
-
- for ( i = 0 ; i < count ; i++ ) {
- BEGIN_RING( 7 );
-
- OUT_RING( CCE_PACKET3( R128_CNTL_BITBLT_MULTI, 5 ) );
- OUT_RING( R128_GMC_SRC_PITCH_OFFSET_CNTL |
- R128_GMC_DST_PITCH_OFFSET_CNTL |
- R128_GMC_BRUSH_NONE |
- (dev_priv->depth_fmt << 8) |
- R128_GMC_SRC_DATATYPE_COLOR |
- R128_ROP3_S |
- R128_DP_SRC_SOURCE_MEMORY |
- R128_GMC_CLR_CMP_CNTL_DIS |
- R128_GMC_WR_MSK_DIS );
-
- OUT_RING( dev_priv->depth_pitch_offset_c );
- OUT_RING( dev_priv->span_pitch_offset_c );
-
- OUT_RING( (x[i] << 16) | y[i] );
- OUT_RING( (i << 16) | 0 );
- OUT_RING( (1 << 16) | 1 );
-
- ADVANCE_RING();
- }
-
- DRM_OS_FREE( x );
- DRM_OS_FREE( y );
-
- return 0;
-}
-
-
-/* ================================================================
- * Polygon stipple
- */
-
-static void r128_cce_dispatch_stipple( drm_device_t *dev, u32 *stipple )
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
- int i;
- RING_LOCALS;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- BEGIN_RING( 33 );
-
- OUT_RING( CCE_PACKET0( R128_BRUSH_DATA0, 31 ) );
- for ( i = 0 ; i < 32 ; i++ ) {
- OUT_RING( stipple[i] );
- }
-
- ADVANCE_RING();
-}
-
-
-/* ================================================================
- * IOCTL functions
- */
-
-int r128_cce_clear( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_r128_private_t *dev_priv = dev->dev_private;
- drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_r128_clear_t clear;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- LOCK_TEST_WITH_RETURN( dev );
-
- DRM_OS_KRNFROMUSR( clear, (drm_r128_clear_t *) data,
- sizeof(clear) );
-
- RING_SPACE_TEST_WITH_RETURN( dev_priv );
-
- if ( sarea_priv->nbox > R128_NR_SAREA_CLIPRECTS )
- sarea_priv->nbox = R128_NR_SAREA_CLIPRECTS;
-
- r128_cce_dispatch_clear( dev, &clear );
-
- /* Make sure we restore the 3D state next time.
- */
- dev_priv->sarea_priv->dirty |= R128_UPLOAD_CONTEXT | R128_UPLOAD_MASKS;
-
- return 0;
-}
-
-int r128_cce_swap( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_r128_private_t *dev_priv = dev->dev_private;
- drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- LOCK_TEST_WITH_RETURN( dev );
-
- RING_SPACE_TEST_WITH_RETURN( dev_priv );
-
- if ( sarea_priv->nbox > R128_NR_SAREA_CLIPRECTS )
- sarea_priv->nbox = R128_NR_SAREA_CLIPRECTS;
-
- if ( !dev_priv->page_flipping ) {
- r128_cce_dispatch_swap( dev );
- dev_priv->sarea_priv->dirty |= (R128_UPLOAD_CONTEXT |
- R128_UPLOAD_MASKS);
- } else {
- r128_cce_dispatch_flip( dev );
- }
-
- return 0;
-}
-
-int r128_cce_vertex( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_r128_private_t *dev_priv = dev->dev_private;
- drm_device_dma_t *dma = dev->dma;
- drm_buf_t *buf;
- drm_r128_buf_priv_t *buf_priv;
- drm_r128_vertex_t vertex;
-
- LOCK_TEST_WITH_RETURN( dev );
-
- if ( !dev_priv ) {
- DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
- DRM_OS_RETURN( EINVAL );
- }
-
- DRM_OS_KRNFROMUSR( vertex, (drm_r128_vertex_t *) data,
- sizeof(vertex) );
-
- DRM_DEBUG( "%s: pid=%d index=%d count=%d discard=%d\n",
- __FUNCTION__, DRM_OS_CURRENTPID,
- vertex.idx, vertex.count, vertex.discard );
-
- if ( vertex.idx < 0 || vertex.idx >= dma->buf_count ) {
- DRM_ERROR( "buffer index %d (of %d max)\n",
- vertex.idx, dma->buf_count - 1 );
- DRM_OS_RETURN( EINVAL );
- }
- if ( vertex.prim < 0 ||
- vertex.prim > R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2 ) {
- DRM_ERROR( "buffer prim %d\n", vertex.prim );
- DRM_OS_RETURN( EINVAL );
- }
-
- RING_SPACE_TEST_WITH_RETURN( dev_priv );
- VB_AGE_TEST_WITH_RETURN( dev_priv );
-
- buf = dma->buflist[vertex.idx];
- buf_priv = buf->dev_private;
-
- if ( buf->pid != DRM_OS_CURRENTPID ) {
- DRM_ERROR( "process %d using buffer owned by %d\n",
- DRM_OS_CURRENTPID, buf->pid );
- DRM_OS_RETURN( EINVAL );
- }
- if ( buf->pending ) {
- DRM_ERROR( "sending pending buffer %d\n", vertex.idx );
- DRM_OS_RETURN( EINVAL );
- }
-
- buf->used = vertex.count;
- buf_priv->prim = vertex.prim;
- buf_priv->discard = vertex.discard;
-
- r128_cce_dispatch_vertex( dev, buf );
-
- return 0;
-}
-
-int r128_cce_indices( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_r128_private_t *dev_priv = dev->dev_private;
- drm_device_dma_t *dma = dev->dma;
- drm_buf_t *buf;
- drm_r128_buf_priv_t *buf_priv;
- drm_r128_indices_t elts;
- int count;
-
- LOCK_TEST_WITH_RETURN( dev );
-
- if ( !dev_priv ) {
- DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
- DRM_OS_RETURN( EINVAL );
- }
-
- DRM_OS_KRNFROMUSR( elts, (drm_r128_indices_t *) data,
- sizeof(elts) );
-
- DRM_DEBUG( "%s: pid=%d buf=%d s=%d e=%d d=%d\n",
- __FUNCTION__, DRM_OS_CURRENTPID,
- elts.idx, elts.start, elts.end, elts.discard );
-
- if ( elts.idx < 0 || elts.idx >= dma->buf_count ) {
- DRM_ERROR( "buffer index %d (of %d max)\n",
- elts.idx, dma->buf_count - 1 );
- DRM_OS_RETURN( EINVAL );
- }
- if ( elts.prim < 0 ||
- elts.prim > R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2 ) {
- DRM_ERROR( "buffer prim %d\n", elts.prim );
- DRM_OS_RETURN( EINVAL );
- }
-
- RING_SPACE_TEST_WITH_RETURN( dev_priv );
- VB_AGE_TEST_WITH_RETURN( dev_priv );
-
- buf = dma->buflist[elts.idx];
- buf_priv = buf->dev_private;
-
- if ( buf->pid != DRM_OS_CURRENTPID ) {
- DRM_ERROR( "process %d using buffer owned by %d\n",
- DRM_OS_CURRENTPID, buf->pid );
- DRM_OS_RETURN( EINVAL );
- }
- if ( buf->pending ) {
- DRM_ERROR( "sending pending buffer %d\n", elts.idx );
- DRM_OS_RETURN( EINVAL );
- }
-
- count = (elts.end - elts.start) / sizeof(u16);
- elts.start -= R128_INDEX_PRIM_OFFSET;
-
- if ( elts.start & 0x7 ) {
- DRM_ERROR( "misaligned buffer 0x%x\n", elts.start );
- DRM_OS_RETURN( EINVAL );
- }
- if ( elts.start < buf->used ) {
- DRM_ERROR( "no header 0x%x - 0x%x\n", elts.start, buf->used );
- DRM_OS_RETURN( EINVAL );
- }
-
- buf->used = elts.end;
- buf_priv->prim = elts.prim;
- buf_priv->discard = elts.discard;
-
- r128_cce_dispatch_indices( dev, buf, elts.start, elts.end, count );
-
- return 0;
-}
-
-int r128_cce_blit( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_device_dma_t *dma = dev->dma;
- drm_r128_private_t *dev_priv = dev->dev_private;
- drm_r128_blit_t blit;
-
- LOCK_TEST_WITH_RETURN( dev );
-
- DRM_OS_KRNFROMUSR( blit, (drm_r128_blit_t *) data,
- sizeof(blit) );
-
- DRM_DEBUG( "%s: pid=%d index=%d\n",
- __FUNCTION__, DRM_OS_CURRENTPID, blit.idx );
-
- if ( blit.idx < 0 || blit.idx >= dma->buf_count ) {
- DRM_ERROR( "buffer index %d (of %d max)\n",
- blit.idx, dma->buf_count - 1 );
- DRM_OS_RETURN( EINVAL );
- }
-
- RING_SPACE_TEST_WITH_RETURN( dev_priv );
- VB_AGE_TEST_WITH_RETURN( dev_priv );
-
- return r128_cce_dispatch_blit( dev, &blit, DRM_OS_CURRENTPID );
-}
-
-int r128_cce_depth( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_r128_private_t *dev_priv = dev->dev_private;
- drm_r128_depth_t depth;
-
- LOCK_TEST_WITH_RETURN( dev );
-
- DRM_OS_KRNFROMUSR( depth, (drm_r128_depth_t *) data,
- sizeof(depth) );
-
- RING_SPACE_TEST_WITH_RETURN( dev_priv );
-
- switch ( depth.func ) {
- case R128_WRITE_SPAN:
- return r128_cce_dispatch_write_span( dev, &depth );
- case R128_WRITE_PIXELS:
- return r128_cce_dispatch_write_pixels( dev, &depth );
- case R128_READ_SPAN:
- return r128_cce_dispatch_read_span( dev, &depth );
- case R128_READ_PIXELS:
- return r128_cce_dispatch_read_pixels( dev, &depth );
- }
-
- DRM_OS_RETURN( EINVAL );
-}
-
-int r128_cce_stipple( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_r128_private_t *dev_priv = dev->dev_private;
- drm_r128_stipple_t stipple;
- u32 mask[32];
-
- LOCK_TEST_WITH_RETURN( dev );
-
- DRM_OS_KRNFROMUSR( stipple, (drm_r128_stipple_t *) data,
- sizeof(stipple) );
-
- if ( DRM_OS_COPYFROMUSR( &mask, stipple.mask,
- 32 * sizeof(u32) ) )
- DRM_OS_RETURN( EFAULT );
-
- RING_SPACE_TEST_WITH_RETURN( dev_priv );
-
- r128_cce_dispatch_stipple( dev, mask );
-
- return 0;
-}
-
-int r128_cce_indirect( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_r128_private_t *dev_priv = dev->dev_private;
- drm_device_dma_t *dma = dev->dma;
- drm_buf_t *buf;
- drm_r128_buf_priv_t *buf_priv;
- drm_r128_indirect_t indirect;
-#if 0
- RING_LOCALS;
-#endif
-
- LOCK_TEST_WITH_RETURN( dev );
-
- if ( !dev_priv ) {
- DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
- DRM_OS_RETURN(EINVAL);
- }
-
- DRM_OS_KRNFROMUSR( indirect, (drm_r128_indirect_t *) data,
- sizeof(indirect) );
-
- DRM_DEBUG( "indirect: idx=%d s=%d e=%d d=%d\n",
- indirect.idx, indirect.start,
- indirect.end, indirect.discard );
-
- if ( indirect.idx < 0 || indirect.idx >= dma->buf_count ) {
- DRM_ERROR( "buffer index %d (of %d max)\n",
- indirect.idx, dma->buf_count - 1 );
- DRM_OS_RETURN(EINVAL);
- }
-
- buf = dma->buflist[indirect.idx];
- buf_priv = buf->dev_private;
-
- if ( buf->pid != DRM_OS_CURRENTPID ) {
- DRM_ERROR( "process %d using buffer owned by %d\n",
- DRM_OS_CURRENTPID, buf->pid );
- DRM_OS_RETURN(EINVAL);
- }
- if ( buf->pending ) {
- DRM_ERROR( "sending pending buffer %d\n", indirect.idx );
- DRM_OS_RETURN(EINVAL);
- }
-
- if ( indirect.start < buf->used ) {
- DRM_ERROR( "reusing indirect: start=0x%x actual=0x%x\n",
- indirect.start, buf->used );
- DRM_OS_RETURN(EINVAL);
- }
-
- RING_SPACE_TEST_WITH_RETURN( dev_priv );
- VB_AGE_TEST_WITH_RETURN( dev_priv );
-
- buf->used = indirect.end;
- buf_priv->discard = indirect.discard;
-
-#if 0
- /* Wait for the 3D stream to idle before the indirect buffer
- * containing 2D acceleration commands is processed.
- */
- BEGIN_RING( 2 );
- RADEON_WAIT_UNTIL_3D_IDLE();
- ADVANCE_RING();
-#endif
-
- /* Dispatch the indirect buffer full of commands from the
- * X server. This is insecure and is thus only available to
- * privileged clients.
- */
- r128_cce_dispatch_indirect( dev, buf, indirect.start, indirect.end );
-
- return 0;
-}
+++ /dev/null
-/* radeon_cp.c -- CP support for Radeon -*- linux-c -*-
- *
- * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Fremont, California.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Kevin E. Martin <martin@valinux.com>
- * Gareth Hughes <gareth@valinux.com>
- */
-
-#include "radeon.h"
-#include "drmP.h"
-#include "drm.h"
-#include "radeon_drm.h"
-#include "radeon_drv.h"
-
-#include <vm/vm.h>
-#include <vm/pmap.h>
-
-#define RADEON_FIFO_DEBUG 0
-
-#if defined(__alpha__)
-# define PCIGART_ENABLED
-#else
-# undef PCIGART_ENABLED
-#endif
-
-
-/* CP microcode (from ATI) */
-static u32 radeon_cp_microcode[][2] = {
- { 0x21007000, 0000000000 },
- { 0x20007000, 0000000000 },
- { 0x000000b4, 0x00000004 },
- { 0x000000b8, 0x00000004 },
- { 0x6f5b4d4c, 0000000000 },
- { 0x4c4c427f, 0000000000 },
- { 0x5b568a92, 0000000000 },
- { 0x4ca09c6d, 0000000000 },
- { 0xad4c4c4c, 0000000000 },
- { 0x4ce1af3d, 0000000000 },
- { 0xd8afafaf, 0000000000 },
- { 0xd64c4cdc, 0000000000 },
- { 0x4cd10d10, 0000000000 },
- { 0x000f0000, 0x00000016 },
- { 0x362f242d, 0000000000 },
- { 0x00000012, 0x00000004 },
- { 0x000f0000, 0x00000016 },
- { 0x362f282d, 0000000000 },
- { 0x000380e7, 0x00000002 },
- { 0x04002c97, 0x00000002 },
- { 0x000f0001, 0x00000016 },
- { 0x333a3730, 0000000000 },
- { 0x000077ef, 0x00000002 },
- { 0x00061000, 0x00000002 },
- { 0x00000021, 0x0000001a },
- { 0x00004000, 0x0000001e },
- { 0x00061000, 0x00000002 },
- { 0x00000021, 0x0000001a },
- { 0x00004000, 0x0000001e },
- { 0x00061000, 0x00000002 },
- { 0x00000021, 0x0000001a },
- { 0x00004000, 0x0000001e },
- { 0x00000017, 0x00000004 },
- { 0x0003802b, 0x00000002 },
- { 0x040067e0, 0x00000002 },
- { 0x00000017, 0x00000004 },
- { 0x000077e0, 0x00000002 },
- { 0x00065000, 0x00000002 },
- { 0x000037e1, 0x00000002 },
- { 0x040067e1, 0x00000006 },
- { 0x000077e0, 0x00000002 },
- { 0x000077e1, 0x00000002 },
- { 0x000077e1, 0x00000006 },
- { 0xffffffff, 0000000000 },
- { 0x10000000, 0000000000 },
- { 0x0003802b, 0x00000002 },
- { 0x040067e0, 0x00000006 },
- { 0x00007675, 0x00000002 },
- { 0x00007676, 0x00000002 },
- { 0x00007677, 0x00000002 },
- { 0x00007678, 0x00000006 },
- { 0x0003802c, 0x00000002 },
- { 0x04002676, 0x00000002 },
- { 0x00007677, 0x00000002 },
- { 0x00007678, 0x00000006 },
- { 0x0000002f, 0x00000018 },
- { 0x0000002f, 0x00000018 },
- { 0000000000, 0x00000006 },
- { 0x00000030, 0x00000018 },
- { 0x00000030, 0x00000018 },
- { 0000000000, 0x00000006 },
- { 0x01605000, 0x00000002 },
- { 0x00065000, 0x00000002 },
- { 0x00098000, 0x00000002 },
- { 0x00061000, 0x00000002 },
- { 0x64c0603e, 0x00000004 },
- { 0x000380e6, 0x00000002 },
- { 0x040025c5, 0x00000002 },
- { 0x00080000, 0x00000016 },
- { 0000000000, 0000000000 },
- { 0x0400251d, 0x00000002 },
- { 0x00007580, 0x00000002 },
- { 0x00067581, 0x00000002 },
- { 0x04002580, 0x00000002 },
- { 0x00067581, 0x00000002 },
- { 0x00000049, 0x00000004 },
- { 0x00005000, 0000000000 },
- { 0x000380e6, 0x00000002 },
- { 0x040025c5, 0x00000002 },
- { 0x00061000, 0x00000002 },
- { 0x0000750e, 0x00000002 },
- { 0x00019000, 0x00000002 },
- { 0x00011055, 0x00000014 },
- { 0x00000055, 0x00000012 },
- { 0x0400250f, 0x00000002 },
- { 0x0000504f, 0x00000004 },
- { 0x000380e6, 0x00000002 },
- { 0x040025c5, 0x00000002 },
- { 0x00007565, 0x00000002 },
- { 0x00007566, 0x00000002 },
- { 0x00000058, 0x00000004 },
- { 0x000380e6, 0x00000002 },
- { 0x040025c5, 0x00000002 },
- { 0x01e655b4, 0x00000002 },
- { 0x4401b0e4, 0x00000002 },
- { 0x01c110e4, 0x00000002 },
- { 0x26667066, 0x00000018 },
- { 0x040c2565, 0x00000002 },
- { 0x00000066, 0x00000018 },
- { 0x04002564, 0x00000002 },
- { 0x00007566, 0x00000002 },
- { 0x0000005d, 0x00000004 },
- { 0x00401069, 0x00000008 },
- { 0x00101000, 0x00000002 },
- { 0x000d80ff, 0x00000002 },
- { 0x0080006c, 0x00000008 },
- { 0x000f9000, 0x00000002 },
- { 0x000e00ff, 0x00000002 },
- { 0000000000, 0x00000006 },
- { 0x0000008f, 0x00000018 },
- { 0x0000005b, 0x00000004 },
- { 0x000380e6, 0x00000002 },
- { 0x040025c5, 0x00000002 },
- { 0x00007576, 0x00000002 },
- { 0x00065000, 0x00000002 },
- { 0x00009000, 0x00000002 },
- { 0x00041000, 0x00000002 },
- { 0x0c00350e, 0x00000002 },
- { 0x00049000, 0x00000002 },
- { 0x00051000, 0x00000002 },
- { 0x01e785f8, 0x00000002 },
- { 0x00200000, 0x00000002 },
- { 0x0060007e, 0x0000000c },
- { 0x00007563, 0x00000002 },
- { 0x006075f0, 0x00000021 },
- { 0x20007073, 0x00000004 },
- { 0x00005073, 0x00000004 },
- { 0x000380e6, 0x00000002 },
- { 0x040025c5, 0x00000002 },
- { 0x00007576, 0x00000002 },
- { 0x00007577, 0x00000002 },
- { 0x0000750e, 0x00000002 },
- { 0x0000750f, 0x00000002 },
- { 0x00a05000, 0x00000002 },
- { 0x00600083, 0x0000000c },
- { 0x006075f0, 0x00000021 },
- { 0x000075f8, 0x00000002 },
- { 0x00000083, 0x00000004 },
- { 0x000a750e, 0x00000002 },
- { 0x000380e6, 0x00000002 },
- { 0x040025c5, 0x00000002 },
- { 0x0020750f, 0x00000002 },
- { 0x00600086, 0x00000004 },
- { 0x00007570, 0x00000002 },
- { 0x00007571, 0x00000002 },
- { 0x00007572, 0x00000006 },
- { 0x000380e6, 0x00000002 },
- { 0x040025c5, 0x00000002 },
- { 0x00005000, 0x00000002 },
- { 0x00a05000, 0x00000002 },
- { 0x00007568, 0x00000002 },
- { 0x00061000, 0x00000002 },
- { 0x00000095, 0x0000000c },
- { 0x00058000, 0x00000002 },
- { 0x0c607562, 0x00000002 },
- { 0x00000097, 0x00000004 },
- { 0x000380e6, 0x00000002 },
- { 0x040025c5, 0x00000002 },
- { 0x00600096, 0x00000004 },
- { 0x400070e5, 0000000000 },
- { 0x000380e6, 0x00000002 },
- { 0x040025c5, 0x00000002 },
- { 0x000380e5, 0x00000002 },
- { 0x000000a8, 0x0000001c },
- { 0x000650aa, 0x00000018 },
- { 0x040025bb, 0x00000002 },
- { 0x000610ab, 0x00000018 },
- { 0x040075bc, 0000000000 },
- { 0x000075bb, 0x00000002 },
- { 0x000075bc, 0000000000 },
- { 0x00090000, 0x00000006 },
- { 0x00090000, 0x00000002 },
- { 0x000d8002, 0x00000006 },
- { 0x00007832, 0x00000002 },
- { 0x00005000, 0x00000002 },
- { 0x000380e7, 0x00000002 },
- { 0x04002c97, 0x00000002 },
- { 0x00007820, 0x00000002 },
- { 0x00007821, 0x00000002 },
- { 0x00007800, 0000000000 },
- { 0x01200000, 0x00000002 },
- { 0x20077000, 0x00000002 },
- { 0x01200000, 0x00000002 },
- { 0x20007000, 0x00000002 },
- { 0x00061000, 0x00000002 },
- { 0x0120751b, 0x00000002 },
- { 0x8040750a, 0x00000002 },
- { 0x8040750b, 0x00000002 },
- { 0x00110000, 0x00000002 },
- { 0x000380e5, 0x00000002 },
- { 0x000000c6, 0x0000001c },
- { 0x000610ab, 0x00000018 },
- { 0x844075bd, 0x00000002 },
- { 0x000610aa, 0x00000018 },
- { 0x840075bb, 0x00000002 },
- { 0x000610ab, 0x00000018 },
- { 0x844075bc, 0x00000002 },
- { 0x000000c9, 0x00000004 },
- { 0x804075bd, 0x00000002 },
- { 0x800075bb, 0x00000002 },
- { 0x804075bc, 0x00000002 },
- { 0x00108000, 0x00000002 },
- { 0x01400000, 0x00000002 },
- { 0x006000cd, 0x0000000c },
- { 0x20c07000, 0x00000020 },
- { 0x000000cf, 0x00000012 },
- { 0x00800000, 0x00000006 },
- { 0x0080751d, 0x00000006 },
- { 0000000000, 0000000000 },
- { 0x0000775c, 0x00000002 },
- { 0x00a05000, 0x00000002 },
- { 0x00661000, 0x00000002 },
- { 0x0460275d, 0x00000020 },
- { 0x00004000, 0000000000 },
- { 0x01e00830, 0x00000002 },
- { 0x21007000, 0000000000 },
- { 0x6464614d, 0000000000 },
- { 0x69687420, 0000000000 },
- { 0x00000073, 0000000000 },
- { 0000000000, 0000000000 },
- { 0x00005000, 0x00000002 },
- { 0x000380d0, 0x00000002 },
- { 0x040025e0, 0x00000002 },
- { 0x000075e1, 0000000000 },
- { 0x00000001, 0000000000 },
- { 0x000380e0, 0x00000002 },
- { 0x04002394, 0x00000002 },
- { 0x00005000, 0000000000 },
- { 0000000000, 0000000000 },
- { 0000000000, 0000000000 },
- { 0x00000008, 0000000000 },
- { 0x00000004, 0000000000 },
- { 0000000000, 0000000000 },
- { 0000000000, 0000000000 },
- { 0000000000, 0000000000 },
- { 0000000000, 0000000000 },
- { 0000000000, 0000000000 },
- { 0000000000, 0000000000 },
- { 0000000000, 0000000000 },
- { 0000000000, 0000000000 },
- { 0000000000, 0000000000 },
- { 0000000000, 0000000000 },
- { 0000000000, 0000000000 },
- { 0000000000, 0000000000 },
- { 0000000000, 0000000000 },
- { 0000000000, 0000000000 },
- { 0000000000, 0000000000 },
- { 0000000000, 0000000000 },
- { 0000000000, 0000000000 },
- { 0000000000, 0000000000 },
- { 0000000000, 0000000000 },
- { 0000000000, 0000000000 },
- { 0000000000, 0000000000 },
- { 0000000000, 0000000000 },
- { 0000000000, 0000000000 },
- { 0000000000, 0000000000 },
-};
-
-
-int RADEON_READ_PLL(drm_device_t *dev, int addr)
-{
- drm_radeon_private_t *dev_priv = dev->dev_private;
-
- RADEON_WRITE8(RADEON_CLOCK_CNTL_INDEX, addr & 0x1f);
- return RADEON_READ(RADEON_CLOCK_CNTL_DATA);
-}
-
-#if RADEON_FIFO_DEBUG
-static void radeon_status( drm_radeon_private_t *dev_priv )
-{
- printk( "%s:\n", __FUNCTION__ );
- printk( "RBBM_STATUS = 0x%08x\n",
- (unsigned int)RADEON_READ( RADEON_RBBM_STATUS ) );
- printk( "CP_RB_RTPR = 0x%08x\n",
- (unsigned int)RADEON_READ( RADEON_CP_RB_RPTR ) );
- printk( "CP_RB_WTPR = 0x%08x\n",
- (unsigned int)RADEON_READ( RADEON_CP_RB_WPTR ) );
- printk( "AIC_CNTL = 0x%08x\n",
- (unsigned int)RADEON_READ( RADEON_AIC_CNTL ) );
- printk( "AIC_STAT = 0x%08x\n",
- (unsigned int)RADEON_READ( RADEON_AIC_STAT ) );
- printk( "AIC_PT_BASE = 0x%08x\n",
- (unsigned int)RADEON_READ( RADEON_AIC_PT_BASE ) );
- printk( "TLB_ADDR = 0x%08x\n",
- (unsigned int)RADEON_READ( RADEON_AIC_TLB_ADDR ) );
- printk( "TLB_DATA = 0x%08x\n",
- (unsigned int)RADEON_READ( RADEON_AIC_TLB_DATA ) );
-}
-#endif
-
-
-/* ================================================================
- * Engine, FIFO control
- */
-
-static int radeon_do_pixcache_flush( drm_radeon_private_t *dev_priv )
-{
- u32 tmp;
- int i;
-
- tmp = RADEON_READ( RADEON_RB2D_DSTCACHE_CTLSTAT );
- tmp |= RADEON_RB2D_DC_FLUSH_ALL;
- RADEON_WRITE( RADEON_RB2D_DSTCACHE_CTLSTAT, tmp );
-
- for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) {
- if ( !(RADEON_READ( RADEON_RB2D_DSTCACHE_CTLSTAT )
- & RADEON_RB2D_DC_BUSY) ) {
- return 0;
- }
- DRM_OS_DELAY( 1 );
- }
-
-#if RADEON_FIFO_DEBUG
- DRM_ERROR( "failed!\n" );
- radeon_status( dev_priv );
-#endif
- DRM_OS_RETURN( EBUSY );
-}
-
-static int radeon_do_wait_for_fifo( drm_radeon_private_t *dev_priv,
- int entries )
-{
- int i;
-
- for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) {
- int slots = ( RADEON_READ( RADEON_RBBM_STATUS )
- & RADEON_RBBM_FIFOCNT_MASK );
- if ( slots >= entries ) return 0;
- DRM_OS_DELAY( 1 );
- }
-
-#if RADEON_FIFO_DEBUG
- DRM_ERROR( "failed!\n" );
- radeon_status( dev_priv );
-#endif
- DRM_OS_RETURN( EBUSY );
-}
-
-static int radeon_do_wait_for_idle( drm_radeon_private_t *dev_priv )
-{
- int i, ret;
-
- ret = radeon_do_wait_for_fifo( dev_priv, 64 );
- if ( ret ) return ret;
- for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) {
- if ( !(RADEON_READ( RADEON_RBBM_STATUS )
- & RADEON_RBBM_ACTIVE) ) {
- radeon_do_pixcache_flush( dev_priv );
- return 0;
- }
- DRM_OS_DELAY( 1 );
- }
-
-#if RADEON_FIFO_DEBUG
- DRM_ERROR( "failed!\n" );
- radeon_status( dev_priv );
-#endif
- DRM_OS_RETURN( EBUSY );
-}
-
-
-/* ================================================================
- * CP control, initialization
- */
-
-/* Load the microcode for the CP */
-static void radeon_cp_load_microcode( drm_radeon_private_t *dev_priv )
-{
- int i;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- radeon_do_wait_for_idle( dev_priv );
-
- RADEON_WRITE( RADEON_CP_ME_RAM_ADDR, 0 );
- for ( i = 0 ; i < 256 ; i++ ) {
- RADEON_WRITE( RADEON_CP_ME_RAM_DATAH,
- radeon_cp_microcode[i][1] );
- RADEON_WRITE( RADEON_CP_ME_RAM_DATAL,
- radeon_cp_microcode[i][0] );
- }
-}
-
-/* Flush any pending commands to the CP. This should only be used just
- * prior to a wait for idle, as it informs the engine that the command
- * stream is ending.
- */
-static void radeon_do_cp_flush( drm_radeon_private_t *dev_priv )
-{
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-#if 0
- u32 tmp;
-
- tmp = RADEON_READ( RADEON_CP_RB_WPTR ) | (1 << 31);
- RADEON_WRITE( RADEON_CP_RB_WPTR, tmp );
-#endif
-}
-
-/* Wait for the CP to go idle.
- */
-int radeon_do_cp_idle( drm_radeon_private_t *dev_priv )
-{
- RING_LOCALS;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- BEGIN_RING( 6 );
-
- RADEON_PURGE_CACHE();
- RADEON_PURGE_ZCACHE();
- RADEON_WAIT_UNTIL_IDLE();
-
- ADVANCE_RING();
-
- return radeon_do_wait_for_idle( dev_priv );
-}
-
-/* Start the Command Processor.
- */
-static void radeon_do_cp_start( drm_radeon_private_t *dev_priv )
-{
- RING_LOCALS;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- radeon_do_wait_for_idle( dev_priv );
-
- RADEON_WRITE( RADEON_CP_CSQ_CNTL, dev_priv->cp_mode );
-
- dev_priv->cp_running = 1;
-
- BEGIN_RING( 6 );
-
- RADEON_PURGE_CACHE();
- RADEON_PURGE_ZCACHE();
- RADEON_WAIT_UNTIL_IDLE();
-
- ADVANCE_RING();
-}
-
-/* Reset the Command Processor. This will not flush any pending
- * commands, so you must wait for the CP command stream to complete
- * before calling this routine.
- */
-static void radeon_do_cp_reset( drm_radeon_private_t *dev_priv )
-{
- u32 cur_read_ptr;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- cur_read_ptr = RADEON_READ( RADEON_CP_RB_RPTR );
- RADEON_WRITE( RADEON_CP_RB_WPTR, cur_read_ptr );
- *dev_priv->ring.head = cur_read_ptr;
- dev_priv->ring.tail = cur_read_ptr;
-}
-
-/* Stop the Command Processor. This will not flush any pending
- * commands, so you must flush the command stream and wait for the CP
- * to go idle before calling this routine.
- */
-static void radeon_do_cp_stop( drm_radeon_private_t *dev_priv )
-{
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- RADEON_WRITE( RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIDIS_INDDIS );
-
- dev_priv->cp_running = 0;
-}
-
-/* Reset the engine. This will stop the CP if it is running.
- */
-static int radeon_do_engine_reset( drm_device_t *dev )
-{
- drm_radeon_private_t *dev_priv = dev->dev_private;
- u32 clock_cntl_index, mclk_cntl, rbbm_soft_reset;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- radeon_do_pixcache_flush( dev_priv );
-
- clock_cntl_index = RADEON_READ( RADEON_CLOCK_CNTL_INDEX );
- mclk_cntl = RADEON_READ_PLL( dev, RADEON_MCLK_CNTL );
-
- RADEON_WRITE_PLL( RADEON_MCLK_CNTL, ( mclk_cntl |
- RADEON_FORCEON_MCLKA |
- RADEON_FORCEON_MCLKB |
- RADEON_FORCEON_YCLKA |
- RADEON_FORCEON_YCLKB |
- RADEON_FORCEON_MC |
- RADEON_FORCEON_AIC ) );
-
- rbbm_soft_reset = RADEON_READ( RADEON_RBBM_SOFT_RESET );
-
- RADEON_WRITE( RADEON_RBBM_SOFT_RESET, ( rbbm_soft_reset |
- RADEON_SOFT_RESET_CP |
- RADEON_SOFT_RESET_HI |
- RADEON_SOFT_RESET_SE |
- RADEON_SOFT_RESET_RE |
- RADEON_SOFT_RESET_PP |
- RADEON_SOFT_RESET_E2 |
- RADEON_SOFT_RESET_RB ) );
- RADEON_READ( RADEON_RBBM_SOFT_RESET );
- RADEON_WRITE( RADEON_RBBM_SOFT_RESET, ( rbbm_soft_reset &
- ~( RADEON_SOFT_RESET_CP |
- RADEON_SOFT_RESET_HI |
- RADEON_SOFT_RESET_SE |
- RADEON_SOFT_RESET_RE |
- RADEON_SOFT_RESET_PP |
- RADEON_SOFT_RESET_E2 |
- RADEON_SOFT_RESET_RB ) ) );
- RADEON_READ( RADEON_RBBM_SOFT_RESET );
-
-
- RADEON_WRITE_PLL( RADEON_MCLK_CNTL, mclk_cntl );
- RADEON_WRITE( RADEON_CLOCK_CNTL_INDEX, clock_cntl_index );
- RADEON_WRITE( RADEON_RBBM_SOFT_RESET, rbbm_soft_reset );
-
- /* Reset the CP ring */
- radeon_do_cp_reset( dev_priv );
-
- /* The CP is no longer running after an engine reset */
- dev_priv->cp_running = 0;
-
- /* Reset any pending vertex, indirect buffers */
- radeon_freelist_reset( dev );
-
- return 0;
-}
-
-static void radeon_cp_init_ring_buffer( drm_device_t *dev,
- drm_radeon_private_t *dev_priv )
-{
- u32 ring_start, cur_read_ptr;
- u32 tmp;
-
- /* Initialize the memory controller */
- RADEON_WRITE( RADEON_MC_FB_LOCATION,
- (dev_priv->agp_vm_start - 1) & 0xffff0000 );
-
- if ( !dev_priv->is_pci ) {
- RADEON_WRITE( RADEON_MC_AGP_LOCATION,
- (((dev_priv->agp_vm_start - 1 +
- dev_priv->agp_size) & 0xffff0000) |
- (dev_priv->agp_vm_start >> 16)) );
- }
-
-#if __REALLY_HAVE_AGP
- if ( !dev_priv->is_pci )
- ring_start = (dev_priv->cp_ring->offset
- - dev->agp->base
- + dev_priv->agp_vm_start);
- else
-#endif
- ring_start = (dev_priv->cp_ring->offset
- - dev->sg->handle
- + dev_priv->agp_vm_start);
-
- RADEON_WRITE( RADEON_CP_RB_BASE, ring_start );
-
- /* Set the write pointer delay */
- RADEON_WRITE( RADEON_CP_RB_WPTR_DELAY, 0 );
-
- /* Initialize the ring buffer's read and write pointers */
- cur_read_ptr = RADEON_READ( RADEON_CP_RB_RPTR );
- RADEON_WRITE( RADEON_CP_RB_WPTR, cur_read_ptr );
- *dev_priv->ring.head = cur_read_ptr;
- dev_priv->ring.tail = cur_read_ptr;
-
-#if __REALLY_HAVE_SG
- if ( !dev_priv->is_pci ) {
-#endif
- RADEON_WRITE( RADEON_CP_RB_RPTR_ADDR,
- dev_priv->ring_rptr->offset );
-#if __REALLY_HAVE_SG
- } else {
- drm_sg_mem_t *entry = dev->sg;
- unsigned long tmp_ofs, page_ofs;
-
- tmp_ofs = dev_priv->ring_rptr->offset - dev->sg->handle;
- page_ofs = tmp_ofs >> PAGE_SHIFT;
-
- RADEON_WRITE( RADEON_CP_RB_RPTR_ADDR,
- entry->busaddr[page_ofs]);
- DRM_DEBUG( "ring rptr: offset=0x%08x handle=0x%08x\n",
- entry->busaddr[page_ofs],
- entry->handle + tmp_ofs );
- }
-#endif
-
- /* Set ring buffer size */
- RADEON_WRITE( RADEON_CP_RB_CNTL, dev_priv->ring.size_l2qw );
-
- radeon_do_wait_for_idle( dev_priv );
-
- /* Turn on bus mastering */
- tmp = RADEON_READ( RADEON_BUS_CNTL ) & ~RADEON_BUS_MASTER_DIS;
- RADEON_WRITE( RADEON_BUS_CNTL, tmp );
-
- /* Sync everything up */
- RADEON_WRITE( RADEON_ISYNC_CNTL,
- (RADEON_ISYNC_ANY2D_IDLE3D |
- RADEON_ISYNC_ANY3D_IDLE2D |
- RADEON_ISYNC_WAIT_IDLEGUI |
- RADEON_ISYNC_CPSCRATCH_IDLEGUI) );
-}
-
-static int radeon_do_init_cp( drm_device_t *dev, drm_radeon_init_t *init )
-{
- drm_radeon_private_t *dev_priv;
- drm_map_list_entry_t *listentry;
- u32 tmp;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- dev_priv = DRM(alloc)( sizeof(drm_radeon_private_t), DRM_MEM_DRIVER );
- if ( dev_priv == NULL )
- DRM_OS_RETURN( ENOMEM );
-
- memset( dev_priv, 0, sizeof(drm_radeon_private_t) );
-
- dev_priv->is_pci = init->is_pci;
-
-#if !defined(PCIGART_ENABLED)
- /* PCI support is not 100% working, so we disable it here.
- */
- if ( dev_priv->is_pci ) {
- DRM_ERROR( "PCI GART not yet supported for Radeon!\n" );
- dev->dev_private = (void *)dev_priv;
- radeon_do_cleanup_cp(dev);
- DRM_OS_RETURN( EINVAL );
- }
-#endif
-
- if ( dev_priv->is_pci && !dev->sg ) {
- DRM_ERROR( "PCI GART memory not allocated!\n" );
- dev->dev_private = (void *)dev_priv;
- radeon_do_cleanup_cp(dev);
- DRM_OS_RETURN( EINVAL );
- }
-
- dev_priv->usec_timeout = init->usec_timeout;
- if ( dev_priv->usec_timeout < 1 ||
- dev_priv->usec_timeout > RADEON_MAX_USEC_TIMEOUT ) {
- DRM_DEBUG( "TIMEOUT problem!\n" );
- dev->dev_private = (void *)dev_priv;
- radeon_do_cleanup_cp(dev);
- DRM_OS_RETURN( EINVAL );
- }
-
- dev_priv->cp_mode = init->cp_mode;
-
- /* Simple idle check.
- */
- atomic_set( &dev_priv->idle_count, 0 );
-
- /* We don't support anything other than bus-mastering ring mode,
- * but the ring can be in either AGP or PCI space for the ring
- * read pointer.
- */
- if ( ( init->cp_mode != RADEON_CSQ_PRIBM_INDDIS ) &&
- ( init->cp_mode != RADEON_CSQ_PRIBM_INDBM ) ) {
- DRM_DEBUG( "BAD cp_mode (%x)!\n", init->cp_mode );
- dev->dev_private = (void *)dev_priv;
- radeon_do_cleanup_cp(dev);
- DRM_OS_RETURN( EINVAL );
- }
-
- switch ( init->fb_bpp ) {
- case 16:
- dev_priv->color_fmt = RADEON_COLOR_FORMAT_RGB565;
- break;
- case 32:
- default:
- dev_priv->color_fmt = RADEON_COLOR_FORMAT_ARGB8888;
- break;
- }
- dev_priv->front_offset = init->front_offset;
- dev_priv->front_pitch = init->front_pitch;
- dev_priv->back_offset = init->back_offset;
- dev_priv->back_pitch = init->back_pitch;
-
- switch ( init->depth_bpp ) {
- case 16:
- dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_16BIT_INT_Z;
- break;
- case 32:
- default:
- dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_24BIT_INT_Z;
- break;
- }
- dev_priv->depth_offset = init->depth_offset;
- dev_priv->depth_pitch = init->depth_pitch;
-
- dev_priv->front_pitch_offset = (((dev_priv->front_pitch/64) << 22) |
- (dev_priv->front_offset >> 10));
- dev_priv->back_pitch_offset = (((dev_priv->back_pitch/64) << 22) |
- (dev_priv->back_offset >> 10));
- dev_priv->depth_pitch_offset = (((dev_priv->depth_pitch/64) << 22) |
- (dev_priv->depth_offset >> 10));
-
- /* Hardware state for depth clears. Remove this if/when we no
- * longer clear the depth buffer with a 3D rectangle. Hard-code
- * all values to prevent unwanted 3D state from slipping through
- * and screwing with the clear operation.
- */
- dev_priv->depth_clear.rb3d_cntl = (RADEON_PLANE_MASK_ENABLE |
- (dev_priv->color_fmt << 10) |
- RADEON_ZBLOCK16);
-
- dev_priv->depth_clear.rb3d_zstencilcntl =
- (dev_priv->depth_fmt |
- RADEON_Z_TEST_ALWAYS |
- RADEON_STENCIL_TEST_ALWAYS |
- RADEON_STENCIL_S_FAIL_REPLACE |
- RADEON_STENCIL_ZPASS_REPLACE |
- RADEON_STENCIL_ZFAIL_REPLACE |
- RADEON_Z_WRITE_ENABLE);
-
- dev_priv->depth_clear.se_cntl = (RADEON_FFACE_CULL_CW |
- RADEON_BFACE_SOLID |
- RADEON_FFACE_SOLID |
- RADEON_FLAT_SHADE_VTX_LAST |
- RADEON_DIFFUSE_SHADE_FLAT |
- RADEON_ALPHA_SHADE_FLAT |
- RADEON_SPECULAR_SHADE_FLAT |
- RADEON_FOG_SHADE_FLAT |
- RADEON_VTX_PIX_CENTER_OGL |
- RADEON_ROUND_MODE_TRUNC |
- RADEON_ROUND_PREC_8TH_PIX);
-
- TAILQ_FOREACH(listentry, dev->maplist, link) {
- drm_map_t *map = listentry->map;
- if (map->type == _DRM_SHM &&
- map->flags & _DRM_CONTAINS_LOCK) {
- dev_priv->sarea = map;
- break;
- }
- }
-
- if(!dev_priv->sarea) {
- DRM_ERROR("could not find sarea!\n");
- dev->dev_private = (void *)dev_priv;
- radeon_do_cleanup_cp(dev);
- DRM_OS_RETURN(EINVAL);
- }
-
- DRM_FIND_MAP( dev_priv->fb, init->fb_offset );
- if(!dev_priv->fb) {
- DRM_ERROR("could not find framebuffer!\n");
- dev->dev_private = (void *)dev_priv;
- radeon_do_cleanup_cp(dev);
- DRM_OS_RETURN(EINVAL);
- }
- DRM_FIND_MAP( dev_priv->mmio, init->mmio_offset );
- if(!dev_priv->mmio) {
- DRM_ERROR("could not find mmio region!\n");
- dev->dev_private = (void *)dev_priv;
- radeon_do_cleanup_cp(dev);
- DRM_OS_RETURN(EINVAL);
- }
- DRM_FIND_MAP( dev_priv->cp_ring, init->ring_offset );
- if(!dev_priv->cp_ring) {
- DRM_ERROR("could not find cp ring region!\n");
- dev->dev_private = (void *)dev_priv;
- radeon_do_cleanup_cp(dev);
- DRM_OS_RETURN(EINVAL);
- }
- DRM_FIND_MAP( dev_priv->ring_rptr, init->ring_rptr_offset );
- if(!dev_priv->ring_rptr) {
- DRM_ERROR("could not find ring read pointer!\n");
- dev->dev_private = (void *)dev_priv;
- radeon_do_cleanup_cp(dev);
- DRM_OS_RETURN(EINVAL);
- }
- DRM_FIND_MAP( dev_priv->buffers, init->buffers_offset );
- if(!dev_priv->buffers) {
- DRM_ERROR("could not find dma buffer region!\n");
- dev->dev_private = (void *)dev_priv;
- radeon_do_cleanup_cp(dev);
- DRM_OS_RETURN(EINVAL);
- }
-
- if ( !dev_priv->is_pci ) {
- DRM_FIND_MAP( dev_priv->agp_textures,
- init->agp_textures_offset );
- if(!dev_priv->agp_textures) {
- DRM_ERROR("could not find agp texture region!\n");
- dev->dev_private = (void *)dev_priv;
- radeon_do_cleanup_cp(dev);
- DRM_OS_RETURN(EINVAL);
- }
- }
-
- dev_priv->sarea_priv =
- (drm_radeon_sarea_t *)((u8 *)dev_priv->sarea->handle +
- init->sarea_priv_offset);
-
- if ( !dev_priv->is_pci ) {
- DRM_IOREMAP( dev_priv->cp_ring );
- DRM_IOREMAP( dev_priv->ring_rptr );
- DRM_IOREMAP( dev_priv->buffers );
- if(!dev_priv->cp_ring->handle ||
- !dev_priv->ring_rptr->handle ||
- !dev_priv->buffers->handle) {
- DRM_ERROR("could not find ioremap agp regions!\n");
- dev->dev_private = (void *)dev_priv;
- radeon_do_cleanup_cp(dev);
- DRM_OS_RETURN(EINVAL);
- }
- } else {
- dev_priv->cp_ring->handle =
- (void *)dev_priv->cp_ring->offset;
- dev_priv->ring_rptr->handle =
- (void *)dev_priv->ring_rptr->offset;
- dev_priv->buffers->handle = (void *)dev_priv->buffers->offset;
-
- DRM_DEBUG( "dev_priv->cp_ring->handle %p\n",
- dev_priv->cp_ring->handle );
- DRM_DEBUG( "dev_priv->ring_rptr->handle %p\n",
- dev_priv->ring_rptr->handle );
- DRM_DEBUG( "dev_priv->buffers->handle %p\n",
- dev_priv->buffers->handle );
- }
-
-
- dev_priv->agp_size = init->agp_size;
- dev_priv->agp_vm_start = RADEON_READ( RADEON_CONFIG_APER_SIZE );
-#if __REALLY_HAVE_AGP
- if ( !dev_priv->is_pci )
- dev_priv->agp_buffers_offset = (dev_priv->buffers->offset
- - dev->agp->base
- + dev_priv->agp_vm_start);
- else
-#endif
- dev_priv->agp_buffers_offset = (dev_priv->buffers->offset
- - dev->sg->handle
- + dev_priv->agp_vm_start);
-
- DRM_DEBUG( "dev_priv->agp_size %d\n",
- dev_priv->agp_size );
- DRM_DEBUG( "dev_priv->agp_vm_start 0x%x\n",
- dev_priv->agp_vm_start );
- DRM_DEBUG( "dev_priv->agp_buffers_offset 0x%lx\n",
- dev_priv->agp_buffers_offset );
-
- dev_priv->ring.head = ((__volatile__ u32 *)
- dev_priv->ring_rptr->handle);
-
- dev_priv->ring.start = (u32 *)dev_priv->cp_ring->handle;
- dev_priv->ring.end = ((u32 *)dev_priv->cp_ring->handle
- + init->ring_size / sizeof(u32));
- dev_priv->ring.size = init->ring_size;
- dev_priv->ring.size_l2qw = DRM(order)( init->ring_size / 8 );
-
- dev_priv->ring.tail_mask =
- (dev_priv->ring.size / sizeof(u32)) - 1;
-
- dev_priv->ring.high_mark = RADEON_RING_HIGH_MARK;
-
-#if 0
- /* Initialize the scratch register pointer. This will cause
- * the scratch register values to be written out to memory
- * whenever they are updated.
- * FIXME: This doesn't quite work yet, so we're disabling it
- * for the release.
- */
- RADEON_WRITE( RADEON_SCRATCH_ADDR, (dev_priv->ring_rptr->offset +
- RADEON_SCRATCH_REG_OFFSET) );
- RADEON_WRITE( RADEON_SCRATCH_UMSK, 0x7 );
-#endif
-
- dev_priv->scratch = ((__volatile__ u32 *)
- dev_priv->ring_rptr->handle +
- (RADEON_SCRATCH_REG_OFFSET / sizeof(u32)));
-
- dev_priv->sarea_priv->last_frame = 0;
- RADEON_WRITE( RADEON_LAST_FRAME_REG,
- dev_priv->sarea_priv->last_frame );
-
- dev_priv->sarea_priv->last_dispatch = 0;
- RADEON_WRITE( RADEON_LAST_DISPATCH_REG,
- dev_priv->sarea_priv->last_dispatch );
-
- dev_priv->sarea_priv->last_clear = 0;
- RADEON_WRITE( RADEON_LAST_CLEAR_REG,
- dev_priv->sarea_priv->last_clear );
-
-#if __REALLY_HAVE_SG
- if ( dev_priv->is_pci ) {
- if (!DRM(ati_pcigart_init)( dev, &dev_priv->phys_pci_gart,
- &dev_priv->bus_pci_gart)) {
- DRM_ERROR( "failed to init PCI GART!\n" );
- dev->dev_private = (void *)dev_priv;
- radeon_do_cleanup_cp(dev);
- DRM_OS_RETURN(ENOMEM);
- }
- /* Turn on PCI GART
- */
- tmp = RADEON_READ( RADEON_AIC_CNTL )
- | RADEON_PCIGART_TRANSLATE_EN;
- RADEON_WRITE( RADEON_AIC_CNTL, tmp );
-
- /* set PCI GART page-table base address
- */
- RADEON_WRITE( RADEON_AIC_PT_BASE, dev_priv->bus_pci_gart );
-
- /* set address range for PCI address translate
- */
- RADEON_WRITE( RADEON_AIC_LO_ADDR, dev_priv->agp_vm_start );
- RADEON_WRITE( RADEON_AIC_HI_ADDR, dev_priv->agp_vm_start
- + dev_priv->agp_size - 1);
-
- /* Turn off AGP aperture -- is this required for PCIGART?
- */
- RADEON_WRITE( RADEON_MC_AGP_LOCATION, 0xffffffc0 ); /* ?? */
- RADEON_WRITE( RADEON_AGP_COMMAND, 0 ); /* clear AGP_COMMAND */
- } else {
-#endif
- /* Turn off PCI GART
- */
- tmp = RADEON_READ( RADEON_AIC_CNTL )
- & ~RADEON_PCIGART_TRANSLATE_EN;
- RADEON_WRITE( RADEON_AIC_CNTL, tmp );
-#if __REALLY_HAVE_SG
- }
-#endif
-
- radeon_cp_load_microcode( dev_priv );
- radeon_cp_init_ring_buffer( dev, dev_priv );
-
-#if ROTATE_BUFS
- dev_priv->last_buf = 0;
-#endif
-
- dev->dev_private = (void *)dev_priv;
-
- radeon_do_engine_reset( dev );
-
- return 0;
-}
-
-int radeon_do_cleanup_cp( drm_device_t *dev )
-{
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- if ( dev->dev_private ) {
- drm_radeon_private_t *dev_priv = dev->dev_private;
-
-#if __REALLY_HAVE_SG
- if ( !dev_priv->is_pci ) {
-#endif
- DRM_IOREMAPFREE( dev_priv->cp_ring );
- DRM_IOREMAPFREE( dev_priv->ring_rptr );
- DRM_IOREMAPFREE( dev_priv->buffers );
-#if __REALLY_HAVE_SG
- } else {
- if (!DRM(ati_pcigart_cleanup)( dev,
- dev_priv->phys_pci_gart,
- dev_priv->bus_pci_gart ))
- DRM_ERROR( "failed to cleanup PCI GART!\n" );
- }
-#endif
-
- DRM(free)( dev->dev_private, sizeof(drm_radeon_private_t),
- DRM_MEM_DRIVER );
- dev->dev_private = NULL;
- }
-
- return 0;
-}
-
-int radeon_cp_init( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_radeon_init_t init;
-
- DRM_OS_KRNFROMUSR( init, (drm_radeon_init_t *) data, sizeof(init) );
-
- switch ( init.func ) {
- case RADEON_INIT_CP:
- return radeon_do_init_cp( dev, &init );
- case RADEON_CLEANUP_CP:
- return radeon_do_cleanup_cp( dev );
- }
-
- DRM_OS_RETURN( EINVAL );
-}
-
-int radeon_cp_start( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_radeon_private_t *dev_priv = dev->dev_private;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- LOCK_TEST_WITH_RETURN( dev );
-
- if ( dev_priv->cp_running ) {
- DRM_DEBUG( "%s while CP running\n", __FUNCTION__ );
- return 0;
- }
- if ( dev_priv->cp_mode == RADEON_CSQ_PRIDIS_INDDIS ) {
- DRM_DEBUG( "%s called with bogus CP mode (%d)\n",
- __FUNCTION__, dev_priv->cp_mode );
- return 0;
- }
-
- radeon_do_cp_start( dev_priv );
-
- return 0;
-}
-
-/* Stop the CP. The engine must have been idled before calling this
- * routine.
- */
-int radeon_cp_stop( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_radeon_cp_stop_t stop;
- int ret;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- LOCK_TEST_WITH_RETURN( dev );
-
- DRM_OS_KRNFROMUSR( stop, (drm_radeon_cp_stop_t *) data, sizeof(stop) );
-
- /* Flush any pending CP commands. This ensures any outstanding
- * commands are exectuted by the engine before we turn it off.
- */
- if ( stop.flush ) {
- radeon_do_cp_flush( dev_priv );
- }
-
- /* If we fail to make the engine go idle, we return an error
- * code so that the DRM ioctl wrapper can try again.
- */
- if ( stop.idle ) {
- ret = radeon_do_cp_idle( dev_priv );
- if ( ret ) return ret;
- }
-
- /* Finally, we can turn off the CP. If the engine isn't idle,
- * we will get some dropped triangles as they won't be fully
- * rendered before the CP is shut down.
- */
- radeon_do_cp_stop( dev_priv );
-
- /* Reset the engine */
- radeon_do_engine_reset( dev );
-
- return 0;
-}
-
-/* Just reset the CP ring. Called as part of an X Server engine reset.
- */
-int radeon_cp_reset( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_radeon_private_t *dev_priv = dev->dev_private;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- LOCK_TEST_WITH_RETURN( dev );
-
- if ( !dev_priv ) {
- DRM_DEBUG( "%s called before init done\n", __FUNCTION__ );
- DRM_OS_RETURN( EINVAL );
- }
-
- radeon_do_cp_reset( dev_priv );
-
- /* The CP is no longer running after an engine reset */
- dev_priv->cp_running = 0;
-
- return 0;
-}
-
-int radeon_cp_idle( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_radeon_private_t *dev_priv = dev->dev_private;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- LOCK_TEST_WITH_RETURN( dev );
-
- return radeon_do_cp_idle( dev_priv );
-}
-
-int radeon_engine_reset( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- LOCK_TEST_WITH_RETURN( dev );
-
- return radeon_do_engine_reset( dev );
-}
-
-
-/* ================================================================
- * Fullscreen mode
- */
-
-static int radeon_do_init_pageflip( drm_device_t *dev )
-{
- drm_radeon_private_t *dev_priv = dev->dev_private;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- dev_priv->crtc_offset = RADEON_READ( RADEON_CRTC_OFFSET );
- dev_priv->crtc_offset_cntl = RADEON_READ( RADEON_CRTC_OFFSET_CNTL );
-
- RADEON_WRITE( RADEON_CRTC_OFFSET, dev_priv->front_offset );
- RADEON_WRITE( RADEON_CRTC_OFFSET_CNTL,
- dev_priv->crtc_offset_cntl |
- RADEON_CRTC_OFFSET_FLIP_CNTL );
-
- dev_priv->page_flipping = 1;
- dev_priv->current_page = 0;
-
- return 0;
-}
-
-int radeon_do_cleanup_pageflip( drm_device_t *dev )
-{
- drm_radeon_private_t *dev_priv = dev->dev_private;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- RADEON_WRITE( RADEON_CRTC_OFFSET, dev_priv->crtc_offset );
- RADEON_WRITE( RADEON_CRTC_OFFSET_CNTL, dev_priv->crtc_offset_cntl );
-
- dev_priv->page_flipping = 0;
- dev_priv->current_page = 0;
-
- return 0;
-}
-
-int radeon_fullscreen( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_radeon_fullscreen_t fs;
-
- LOCK_TEST_WITH_RETURN( dev );
-
- DRM_OS_KRNFROMUSR( fs, (drm_radeon_fullscreen_t *) data,
- sizeof(fs) );
-
- switch ( fs.func ) {
- case RADEON_INIT_FULLSCREEN:
- return radeon_do_init_pageflip( dev );
- case RADEON_CLEANUP_FULLSCREEN:
- return radeon_do_cleanup_pageflip( dev );
- }
-
- DRM_OS_RETURN( EINVAL );
-}
-
-
-/* ================================================================
- * Freelist management
- */
-#define RADEON_BUFFER_USED 0xffffffff
-#define RADEON_BUFFER_FREE 0
-
-#if 0
-static int radeon_freelist_init( drm_device_t *dev )
-{
- drm_device_dma_t *dma = dev->dma;
- drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_buf_t *buf;
- drm_radeon_buf_priv_t *buf_priv;
- drm_radeon_freelist_t *entry;
- int i;
-
- dev_priv->head = DRM(alloc)( sizeof(drm_radeon_freelist_t),
- DRM_MEM_DRIVER );
- if ( dev_priv->head == NULL )
- DRM_OS_RETURN( ENOMEM );
-
- memset( dev_priv->head, 0, sizeof(drm_radeon_freelist_t) );
- dev_priv->head->age = RADEON_BUFFER_USED;
-
- for ( i = 0 ; i < dma->buf_count ; i++ ) {
- buf = dma->buflist[i];
- buf_priv = buf->dev_private;
-
- entry = DRM(alloc)( sizeof(drm_radeon_freelist_t),
- DRM_MEM_DRIVER );
- if ( !entry ) DRM_OS_RETURN( ENOMEM );
-
- entry->age = RADEON_BUFFER_FREE;
- entry->buf = buf;
- entry->prev = dev_priv->head;
- entry->next = dev_priv->head->next;
- if ( !entry->next )
- dev_priv->tail = entry;
-
- buf_priv->discard = 0;
- buf_priv->dispatched = 0;
- buf_priv->list_entry = entry;
-
- dev_priv->head->next = entry;
-
- if ( dev_priv->head->next )
- dev_priv->head->next->prev = entry;
- }
-
- return 0;
-
-}
-#endif
-
-drm_buf_t *radeon_freelist_get( drm_device_t *dev )
-{
- drm_device_dma_t *dma = dev->dma;
- drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_radeon_buf_priv_t *buf_priv;
- drm_buf_t *buf;
- int i, t;
-#if ROTATE_BUFS
- int start;
-#endif
-
- /* FIXME: Optimize -- use freelist code */
-
- for ( i = 0 ; i < dma->buf_count ; i++ ) {
- buf = dma->buflist[i];
- buf_priv = buf->dev_private;
- if ( buf->pid == 0 ) {
- DRM_DEBUG( " ret buf=%d last=%d pid=0\n",
- buf->idx, dev_priv->last_buf );
- return buf;
- }
- DRM_DEBUG( " skipping buf=%d pid=%d\n",
- buf->idx, buf->pid );
- }
-
-#if ROTATE_BUFS
- if ( ++dev_priv->last_buf >= dma->buf_count )
- dev_priv->last_buf = 0;
- start = dev_priv->last_buf;
-#endif
- for ( t = 0 ; t < dev_priv->usec_timeout ; t++ ) {
-#if 0
- /* FIXME: Disable this for now */
- u32 done_age = dev_priv->scratch[RADEON_LAST_DISPATCH];
-#else
- u32 done_age = RADEON_READ( RADEON_LAST_DISPATCH_REG );
-#endif
-#if ROTATE_BUFS
- for ( i = start ; i < dma->buf_count ; i++ ) {
-#else
- for ( i = 0 ; i < dma->buf_count ; i++ ) {
-#endif
- buf = dma->buflist[i];
- buf_priv = buf->dev_private;
- if ( buf->pending && buf_priv->age <= done_age ) {
- /* The buffer has been processed, so it
- * can now be used.
- */
- buf->pending = 0;
- DRM_DEBUG( " ret buf=%d last=%d age=%d done=%d\n", buf->idx, dev_priv->last_buf, buf_priv->age, done_age );
- return buf;
- }
- DRM_DEBUG( " skipping buf=%d age=%d done=%d\n",
- buf->idx, buf_priv->age,
- done_age );
-#if ROTATE_BUFS
- start = 0;
-#endif
- }
- DRM_OS_DELAY( 1 );
- }
-
- DRM_ERROR( "returning NULL!\n" );
- return NULL;
-}
-
-void radeon_freelist_reset( drm_device_t *dev )
-{
- drm_device_dma_t *dma = dev->dma;
-#if ROTATE_BUFS
- drm_radeon_private_t *dev_priv = dev->dev_private;
-#endif
- int i;
-
-#if ROTATE_BUFS
- dev_priv->last_buf = 0;
-#endif
- for ( i = 0 ; i < dma->buf_count ; i++ ) {
- drm_buf_t *buf = dma->buflist[i];
- drm_radeon_buf_priv_t *buf_priv = buf->dev_private;
- buf_priv->age = 0;
- }
-}
-
-
-/* ================================================================
- * CP command submission
- */
-
-int radeon_wait_ring( drm_radeon_private_t *dev_priv, int n )
-{
- drm_radeon_ring_buffer_t *ring = &dev_priv->ring;
- int i;
-
- for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) {
- radeon_update_ring_snapshot( ring );
- if ( ring->space > n )
- return 0;
- DRM_OS_DELAY( 1 );
- }
-
- /* FIXME: This return value is ignored in the BEGIN_RING macro! */
-#if RADEON_FIFO_DEBUG
- radeon_status( dev_priv );
- DRM_ERROR( "failed!\n" );
-#endif
- DRM_OS_RETURN( EBUSY );
-}
-
-static int radeon_cp_get_buffers( drm_device_t *dev, drm_dma_t *d )
-{
- int i;
- drm_buf_t *buf;
-
- for ( i = d->granted_count ; i < d->request_count ; i++ ) {
- buf = radeon_freelist_get( dev );
- if ( !buf ) DRM_OS_RETURN( EAGAIN );
-
- buf->pid = DRM_OS_CURRENTPID;
-
- if (DRM_OS_COPYTOUSR( &d->request_indices[i], &buf->idx,
- sizeof(buf->idx) ) )
- DRM_OS_RETURN( EFAULT );
- if (DRM_OS_COPYTOUSR( &d->request_sizes[i], &buf->total,
- sizeof(buf->total) ) )
- DRM_OS_RETURN( EFAULT );
-
- d->granted_count++;
- }
- return 0;
-}
-
-int radeon_cp_buffers( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_device_dma_t *dma = dev->dma;
- int ret = 0;
- drm_dma_t d;
-
- LOCK_TEST_WITH_RETURN( dev );
-
- DRM_OS_KRNFROMUSR( d, (drm_dma_t *) data, sizeof(d) );
-
- /* Please don't send us buffers.
- */
- if ( d.send_count != 0 ) {
- DRM_ERROR( "Process %d trying to send %d buffers via drmDMA\n",
- DRM_OS_CURRENTPID, d.send_count );
- DRM_OS_RETURN( EINVAL );
- }
-
- /* We'll send you buffers.
- */
- if ( d.request_count < 0 || d.request_count > dma->buf_count ) {
- DRM_ERROR( "Process %d trying to get %d buffers (of %d max)\n",
- DRM_OS_CURRENTPID, d.request_count, dma->buf_count );
- DRM_OS_RETURN( EINVAL );
- }
-
- d.granted_count = 0;
-
- if ( d.request_count ) {
- ret = radeon_cp_get_buffers( dev, &d );
- }
-
- DRM_OS_KRNTOUSR( (drm_dma_t *) data, d, sizeof(d) );
-
- return ret;
-}
+++ /dev/null
-/* radeon_drv.c -- ATI Radeon driver -*- linux-c -*-
- * Created: Wed Feb 14 17:10:04 2001 by gareth@valinux.com
- *
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Gareth Hughes <gareth@valinux.com>
- */
-
-
-
-#include <sys/types.h>
-#include <sys/bus.h>
-#include <pci/pcivar.h>
-#include <opt_drm_linux.h>
-
-#include "radeon.h"
-#include "drmP.h"
-#include "drm.h"
-#include "radeon_drm.h"
-#include "radeon_drv.h"
-#if __REALLY_HAVE_SG
-#include "ati_pcigart.h"
-#endif
-
-#define DRIVER_AUTHOR "Gareth Hughes, VA Linux Systems Inc."
-
-#define DRIVER_NAME "radeon"
-#define DRIVER_DESC "ATI Radeon"
-#define DRIVER_DATE "20010405"
-
-#define DRIVER_MAJOR 1
-#define DRIVER_MINOR 2
-#define DRIVER_PATCHLEVEL 0
-
-/* Interface history:
- *
- * 1.1 - ??
- * 1.2 - Add vertex2 ioctl (keith)
- * - Add stencil capability to clear ioctl (gareth, keith)
- * - Increase MAX_TEXTURE_LEVELS (brian)
- */
-
-/* List acquired from http://www.yourvote.com/pci/pcihdr.h and xc/xc/programs/Xserver/hw/xfree86/common/xf86PciInfo.h
- * Please report to anholt@teleport.com inaccuracies or if a chip you have works that is marked unsupported here.
- */
-drm_chipinfo_t DRM(devicelist)[] = {
- {0x1002, 0x5144, 1, "ATI Radeon QD"},
- {0x1002, 0x5145, 1, "ATI Radeon QE"},
- {0x1002, 0x5146, 1, "ATI Radeon QF"},
- {0x1002, 0x5147, 1, "ATI Radeon QG"},
- {0x1002, 0x5159, 1, "ATI Radeon VE"},
- {0, 0, 0, NULL}
-};
-
-#define DRIVER_IOCTLS \
- [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { radeon_cp_buffers, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_INIT)] = { radeon_cp_init, 1, 1 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_START)] = { radeon_cp_start, 1, 1 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_STOP)] = { radeon_cp_stop, 1, 1 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_RESET)] = { radeon_cp_reset, 1, 1 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_IDLE)] = { radeon_cp_idle, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_RADEON_RESET)] = { radeon_engine_reset, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_RADEON_FULLSCREEN)] = { radeon_fullscreen, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_RADEON_SWAP)] = { radeon_cp_swap, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CLEAR)] = { radeon_cp_clear, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_RADEON_VERTEX)] = { radeon_cp_vertex, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_RADEON_INDICES)] = { radeon_cp_indices, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_RADEON_TEXTURE)] = { radeon_cp_texture, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_RADEON_STIPPLE)] = { radeon_cp_stipple, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_RADEON_INDIRECT)] = { radeon_cp_indirect, 1, 1 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_RADEON_VERTEX2)] = { radeon_cp_vertex2, 1, 0 },
-
-
-#if 0
-/* GH: Count data sent to card via ring or vertex/indirect buffers.
- */
-#define __HAVE_COUNTERS 3
-#define __HAVE_COUNTER6 _DRM_STAT_IRQ
-#define __HAVE_COUNTER7 _DRM_STAT_PRIMARY
-#define __HAVE_COUNTER8 _DRM_STAT_SECONDARY
-#endif
-
-
-#include "drm_agpsupport.h"
-#include "drm_auth.h"
-#include "drm_bufs.h"
-#include "drm_context.h"
-#include "drm_dma.h"
-#include "drm_drawable.h"
-#include "drm_drv.h"
-
-
-#include "drm_fops.h"
-#include "drm_init.h"
-#include "drm_ioctl.h"
-#include "drm_lock.h"
-#include "drm_memory.h"
-#include "drm_vm.h"
-#include "drm_sysctl.h"
-#if __REALLY_HAVE_SG
-#include "drm_scatter.h"
-#endif
-
-DRIVER_MODULE(radeon, pci, radeon_driver, radeon_devclass, 0, 0);
+++ /dev/null
-/* radeon_drv.h -- Private header for radeon driver -*- linux-c -*-
- *
- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Fremont, California.
- * All rights reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Kevin E. Martin <martin@valinux.com>
- * Gareth Hughes <gareth@valinux.com>
- */
-
-#ifndef __RADEON_DRV_H__
-#define __RADEON_DRV_H__
-
-typedef struct drm_radeon_freelist {
- unsigned int age;
- drm_buf_t *buf;
- struct drm_radeon_freelist *next;
- struct drm_radeon_freelist *prev;
-} drm_radeon_freelist_t;
-
-typedef struct drm_radeon_ring_buffer {
- u32 *start;
- u32 *end;
- int size;
- int size_l2qw;
-
- volatile u32 *head;
- u32 tail;
- u32 tail_mask;
- int space;
-
- int high_mark;
-} drm_radeon_ring_buffer_t;
-
-typedef struct drm_radeon_depth_clear_t {
- u32 rb3d_cntl;
- u32 rb3d_zstencilcntl;
- u32 se_cntl;
-} drm_radeon_depth_clear_t;
-
-typedef struct drm_radeon_private {
- drm_radeon_ring_buffer_t ring;
- drm_radeon_sarea_t *sarea_priv;
-
- int agp_size;
- u32 agp_vm_start;
- unsigned long agp_buffers_offset;
-
- int cp_mode;
- int cp_running;
-
- drm_radeon_freelist_t *head;
- drm_radeon_freelist_t *tail;
-/* FIXME: ROTATE_BUFS is a hask to cycle through bufs until freelist
- code is used. Note this hides a problem with the scratch register
- (used to keep track of last buffer completed) being written to before
- the last buffer has actually completed rendering. */
-#define ROTATE_BUFS 1
-#if ROTATE_BUFS
- int last_buf;
-#endif
- volatile u32 *scratch;
-
- int usec_timeout;
- int is_pci;
- unsigned long phys_pci_gart;
-#if __REALLY_HAVE_SG
- dma_addr_t bus_pci_gart;
-#endif
-
- atomic_t idle_count;
-
- int page_flipping;
- int current_page;
- u32 crtc_offset;
- u32 crtc_offset_cntl;
-
- u32 color_fmt;
- unsigned int front_offset;
- unsigned int front_pitch;
- unsigned int back_offset;
- unsigned int back_pitch;
-
- u32 depth_fmt;
- unsigned int depth_offset;
- unsigned int depth_pitch;
-
- u32 front_pitch_offset;
- u32 back_pitch_offset;
- u32 depth_pitch_offset;
-
- drm_radeon_depth_clear_t depth_clear;
-
- drm_map_t *sarea;
- drm_map_t *fb;
- drm_map_t *mmio;
- drm_map_t *cp_ring;
- drm_map_t *ring_rptr;
- drm_map_t *buffers;
- drm_map_t *agp_textures;
-} drm_radeon_private_t;
-
-typedef struct drm_radeon_buf_priv {
- u32 age;
- int prim;
- int discard;
- int dispatched;
- drm_radeon_freelist_t *list_entry;
-} drm_radeon_buf_priv_t;
-
- /* radeon_cp.c */
-extern int radeon_cp_init( DRM_OS_IOCTL );
-extern int radeon_cp_start( DRM_OS_IOCTL );
-extern int radeon_cp_stop( DRM_OS_IOCTL );
-extern int radeon_cp_reset( DRM_OS_IOCTL );
-extern int radeon_cp_idle( DRM_OS_IOCTL );
-extern int radeon_engine_reset( DRM_OS_IOCTL );
-extern int radeon_fullscreen( DRM_OS_IOCTL );
-extern int radeon_cp_buffers( DRM_OS_IOCTL );
-
-extern void radeon_freelist_reset( drm_device_t *dev );
-extern drm_buf_t *radeon_freelist_get( drm_device_t *dev );
-
-extern int radeon_wait_ring( drm_radeon_private_t *dev_priv, int n );
-
-static __inline__ void
-radeon_update_ring_snapshot( drm_radeon_ring_buffer_t *ring )
-{
- ring->space = (*(volatile int *)ring->head - ring->tail) * sizeof(u32);
- if ( ring->space <= 0 )
- ring->space += ring->size;
-}
-
-extern int radeon_do_cp_idle( drm_radeon_private_t *dev_priv );
-extern int radeon_do_cleanup_cp( drm_device_t *dev );
-extern int radeon_do_cleanup_pageflip( drm_device_t *dev );
-
- /* radeon_state.c */
-extern int radeon_cp_clear( DRM_OS_IOCTL );
-extern int radeon_cp_swap( DRM_OS_IOCTL );
-extern int radeon_cp_vertex( DRM_OS_IOCTL );
-extern int radeon_cp_indices( DRM_OS_IOCTL );
-extern int radeon_cp_texture( DRM_OS_IOCTL );
-extern int radeon_cp_stipple( DRM_OS_IOCTL );
-extern int radeon_cp_indirect( DRM_OS_IOCTL );
-extern int radeon_cp_vertex2( DRM_OS_IOCTL );
-
-/* Register definitions, register access macros and drmAddMap constants
- * for Radeon kernel driver.
- */
-
-#define RADEON_AGP_COMMAND 0x0f60
-#define RADEON_AUX_SCISSOR_CNTL 0x26f0
-# define RADEON_EXCLUSIVE_SCISSOR_0 (1 << 24)
-# define RADEON_EXCLUSIVE_SCISSOR_1 (1 << 25)
-# define RADEON_EXCLUSIVE_SCISSOR_2 (1 << 26)
-# define RADEON_SCISSOR_0_ENABLE (1 << 28)
-# define RADEON_SCISSOR_1_ENABLE (1 << 29)
-# define RADEON_SCISSOR_2_ENABLE (1 << 30)
-
-#define RADEON_BUS_CNTL 0x0030
-# define RADEON_BUS_MASTER_DIS (1 << 6)
-
-#define RADEON_CLOCK_CNTL_DATA 0x000c
-# define RADEON_PLL_WR_EN (1 << 7)
-#define RADEON_CLOCK_CNTL_INDEX 0x0008
-#define RADEON_CONFIG_APER_SIZE 0x0108
-#define RADEON_CRTC_OFFSET 0x0224
-#define RADEON_CRTC_OFFSET_CNTL 0x0228
-# define RADEON_CRTC_TILE_EN (1 << 15)
-# define RADEON_CRTC_OFFSET_FLIP_CNTL (1 << 16)
-
-#define RADEON_RB3D_COLORPITCH 0x1c48
-#define RADEON_RB3D_DEPTHCLEARVALUE 0x1c30
-#define RADEON_RB3D_DEPTHXY_OFFSET 0x1c60
-
-#define RADEON_DP_GUI_MASTER_CNTL 0x146c
-# define RADEON_GMC_SRC_PITCH_OFFSET_CNTL (1 << 0)
-# define RADEON_GMC_DST_PITCH_OFFSET_CNTL (1 << 1)
-# define RADEON_GMC_BRUSH_SOLID_COLOR (13 << 4)
-# define RADEON_GMC_BRUSH_NONE (15 << 4)
-# define RADEON_GMC_DST_16BPP (4 << 8)
-# define RADEON_GMC_DST_24BPP (5 << 8)
-# define RADEON_GMC_DST_32BPP (6 << 8)
-# define RADEON_GMC_DST_DATATYPE_SHIFT 8
-# define RADEON_GMC_SRC_DATATYPE_COLOR (3 << 12)
-# define RADEON_DP_SRC_SOURCE_MEMORY (2 << 24)
-# define RADEON_DP_SRC_SOURCE_HOST_DATA (3 << 24)
-# define RADEON_GMC_CLR_CMP_CNTL_DIS (1 << 28)
-# define RADEON_GMC_WR_MSK_DIS (1 << 30)
-# define RADEON_ROP3_S 0x00cc0000
-# define RADEON_ROP3_P 0x00f00000
-#define RADEON_DP_WRITE_MASK 0x16cc
-#define RADEON_DST_PITCH_OFFSET 0x142c
-#define RADEON_DST_PITCH_OFFSET_C 0x1c80
-# define RADEON_DST_TILE_LINEAR (0 << 30)
-# define RADEON_DST_TILE_MACRO (1 << 30)
-# define RADEON_DST_TILE_MICRO (2 << 30)
-# define RADEON_DST_TILE_BOTH (3 << 30)
-
-#define RADEON_SCRATCH_REG0 0x15e0
-#define RADEON_SCRATCH_REG1 0x15e4
-#define RADEON_SCRATCH_REG2 0x15e8
-#define RADEON_SCRATCH_REG3 0x15ec
-#define RADEON_SCRATCH_REG4 0x15f0
-#define RADEON_SCRATCH_REG5 0x15f4
-#define RADEON_SCRATCH_UMSK 0x0770
-#define RADEON_SCRATCH_ADDR 0x0774
-
-#define RADEON_HOST_PATH_CNTL 0x0130
-# define RADEON_HDP_SOFT_RESET (1 << 26)
-# define RADEON_HDP_WC_TIMEOUT_MASK (7 << 28)
-# define RADEON_HDP_WC_TIMEOUT_28BCLK (7 << 28)
-
-#define RADEON_ISYNC_CNTL 0x1724
-# define RADEON_ISYNC_ANY2D_IDLE3D (1 << 0)
-# define RADEON_ISYNC_ANY3D_IDLE2D (1 << 1)
-# define RADEON_ISYNC_TRIG2D_IDLE3D (1 << 2)
-# define RADEON_ISYNC_TRIG3D_IDLE2D (1 << 3)
-# define RADEON_ISYNC_WAIT_IDLEGUI (1 << 4)
-# define RADEON_ISYNC_CPSCRATCH_IDLEGUI (1 << 5)
-
-#define RADEON_MC_AGP_LOCATION 0x014c
-#define RADEON_MC_FB_LOCATION 0x0148
-#define RADEON_MCLK_CNTL 0x0012
-# define RADEON_FORCEON_MCLKA (1 << 16)
-# define RADEON_FORCEON_MCLKB (1 << 17)
-# define RADEON_FORCEON_YCLKA (1 << 18)
-# define RADEON_FORCEON_YCLKB (1 << 19)
-# define RADEON_FORCEON_MC (1 << 20)
-# define RADEON_FORCEON_AIC (1 << 21)
-
-#define RADEON_PP_BORDER_COLOR_0 0x1d40
-#define RADEON_PP_BORDER_COLOR_1 0x1d44
-#define RADEON_PP_BORDER_COLOR_2 0x1d48
-#define RADEON_PP_CNTL 0x1c38
-# define RADEON_SCISSOR_ENABLE (1 << 1)
-#define RADEON_PP_LUM_MATRIX 0x1d00
-#define RADEON_PP_MISC 0x1c14
-#define RADEON_PP_ROT_MATRIX_0 0x1d58
-#define RADEON_PP_TXFILTER_0 0x1c54
-#define RADEON_PP_TXFILTER_1 0x1c6c
-#define RADEON_PP_TXFILTER_2 0x1c84
-
-#define RADEON_RB2D_DSTCACHE_CTLSTAT 0x342c
-# define RADEON_RB2D_DC_FLUSH (3 << 0)
-# define RADEON_RB2D_DC_FREE (3 << 2)
-# define RADEON_RB2D_DC_FLUSH_ALL 0xf
-# define RADEON_RB2D_DC_BUSY (1 << 31)
-#define RADEON_RB3D_CNTL 0x1c3c
-# define RADEON_ALPHA_BLEND_ENABLE (1 << 0)
-# define RADEON_PLANE_MASK_ENABLE (1 << 1)
-# define RADEON_DITHER_ENABLE (1 << 2)
-# define RADEON_ROUND_ENABLE (1 << 3)
-# define RADEON_SCALE_DITHER_ENABLE (1 << 4)
-# define RADEON_DITHER_INIT (1 << 5)
-# define RADEON_ROP_ENABLE (1 << 6)
-# define RADEON_STENCIL_ENABLE (1 << 7)
-# define RADEON_Z_ENABLE (1 << 8)
-# define RADEON_DEPTH_XZ_OFFEST_ENABLE (1 << 9)
-# define RADEON_ZBLOCK8 (0 << 15)
-# define RADEON_ZBLOCK16 (1 << 15)
-#define RADEON_RB3D_DEPTHOFFSET 0x1c24
-#define RADEON_RB3D_PLANEMASK 0x1d84
-#define RADEON_RB3D_STENCILREFMASK 0x1d7c
-#define RADEON_RB3D_ZCACHE_MODE 0x3250
-#define RADEON_RB3D_ZCACHE_CTLSTAT 0x3254
-# define RADEON_RB3D_ZC_FLUSH (1 << 0)
-# define RADEON_RB3D_ZC_FREE (1 << 2)
-# define RADEON_RB3D_ZC_FLUSH_ALL 0x5
-# define RADEON_RB3D_ZC_BUSY (1 << 31)
-#define RADEON_RB3D_ZSTENCILCNTL 0x1c2c
-# define RADEON_Z_TEST_MASK (7 << 4)
-# define RADEON_Z_TEST_ALWAYS (7 << 4)
-# define RADEON_STENCIL_TEST_ALWAYS (7 << 12)
-# define RADEON_STENCIL_S_FAIL_REPLACE (2 << 16)
-# define RADEON_STENCIL_ZPASS_REPLACE (2 << 20)
-# define RADEON_STENCIL_ZFAIL_REPLACE (2 << 24)
-# define RADEON_Z_WRITE_ENABLE (1 << 30)
-#define RADEON_RBBM_SOFT_RESET 0x00f0
-# define RADEON_SOFT_RESET_CP (1 << 0)
-# define RADEON_SOFT_RESET_HI (1 << 1)
-# define RADEON_SOFT_RESET_SE (1 << 2)
-# define RADEON_SOFT_RESET_RE (1 << 3)
-# define RADEON_SOFT_RESET_PP (1 << 4)
-# define RADEON_SOFT_RESET_E2 (1 << 5)
-# define RADEON_SOFT_RESET_RB (1 << 6)
-# define RADEON_SOFT_RESET_HDP (1 << 7)
-#define RADEON_RBBM_STATUS 0x0e40
-# define RADEON_RBBM_FIFOCNT_MASK 0x007f
-# define RADEON_RBBM_ACTIVE (1 << 31)
-#define RADEON_RE_LINE_PATTERN 0x1cd0
-#define RADEON_RE_MISC 0x26c4
-#define RADEON_RE_TOP_LEFT 0x26c0
-#define RADEON_RE_WIDTH_HEIGHT 0x1c44
-#define RADEON_RE_STIPPLE_ADDR 0x1cc8
-#define RADEON_RE_STIPPLE_DATA 0x1ccc
-
-#define RADEON_SCISSOR_TL_0 0x1cd8
-#define RADEON_SCISSOR_BR_0 0x1cdc
-#define RADEON_SCISSOR_TL_1 0x1ce0
-#define RADEON_SCISSOR_BR_1 0x1ce4
-#define RADEON_SCISSOR_TL_2 0x1ce8
-#define RADEON_SCISSOR_BR_2 0x1cec
-#define RADEON_SE_COORD_FMT 0x1c50
-#define RADEON_SE_CNTL 0x1c4c
-# define RADEON_FFACE_CULL_CW (0 << 0)
-# define RADEON_BFACE_SOLID (3 << 1)
-# define RADEON_FFACE_SOLID (3 << 3)
-# define RADEON_FLAT_SHADE_VTX_LAST (3 << 6)
-# define RADEON_DIFFUSE_SHADE_FLAT (1 << 8)
-# define RADEON_DIFFUSE_SHADE_GOURAUD (2 << 8)
-# define RADEON_ALPHA_SHADE_FLAT (1 << 10)
-# define RADEON_ALPHA_SHADE_GOURAUD (2 << 10)
-# define RADEON_SPECULAR_SHADE_FLAT (1 << 12)
-# define RADEON_SPECULAR_SHADE_GOURAUD (2 << 12)
-# define RADEON_FOG_SHADE_FLAT (1 << 14)
-# define RADEON_FOG_SHADE_GOURAUD (2 << 14)
-# define RADEON_VPORT_XY_XFORM_ENABLE (1 << 24)
-# define RADEON_VPORT_Z_XFORM_ENABLE (1 << 25)
-# define RADEON_VTX_PIX_CENTER_OGL (1 << 27)
-# define RADEON_ROUND_MODE_TRUNC (0 << 28)
-# define RADEON_ROUND_PREC_8TH_PIX (1 << 30)
-#define RADEON_SE_CNTL_STATUS 0x2140
-#define RADEON_SE_LINE_WIDTH 0x1db8
-#define RADEON_SE_VPORT_XSCALE 0x1d98
-#define RADEON_SE_ZBIAS_FACTOR 0x1db0
-#define RADEON_SURFACE_ACCESS_FLAGS 0x0bf8
-#define RADEON_SURFACE_ACCESS_CLR 0x0bfc
-#define RADEON_SURFACE_CNTL 0x0b00
-# define RADEON_SURF_TRANSLATION_DIS (1 << 8)
-# define RADEON_NONSURF_AP0_SWP_MASK (3 << 20)
-# define RADEON_NONSURF_AP0_SWP_LITTLE (0 << 20)
-# define RADEON_NONSURF_AP0_SWP_BIG16 (1 << 20)
-# define RADEON_NONSURF_AP0_SWP_BIG32 (2 << 20)
-# define RADEON_NONSURF_AP1_SWP_MASK (3 << 22)
-# define RADEON_NONSURF_AP1_SWP_LITTLE (0 << 22)
-# define RADEON_NONSURF_AP1_SWP_BIG16 (1 << 22)
-# define RADEON_NONSURF_AP1_SWP_BIG32 (2 << 22)
-#define RADEON_SURFACE0_INFO 0x0b0c
-# define RADEON_SURF_PITCHSEL_MASK (0x1ff << 0)
-# define RADEON_SURF_TILE_MODE_MASK (3 << 16)
-# define RADEON_SURF_TILE_MODE_MACRO (0 << 16)
-# define RADEON_SURF_TILE_MODE_MICRO (1 << 16)
-# define RADEON_SURF_TILE_MODE_32BIT_Z (2 << 16)
-# define RADEON_SURF_TILE_MODE_16BIT_Z (3 << 16)
-#define RADEON_SURFACE0_LOWER_BOUND 0x0b04
-#define RADEON_SURFACE0_UPPER_BOUND 0x0b08
-#define RADEON_SURFACE1_INFO 0x0b1c
-#define RADEON_SURFACE1_LOWER_BOUND 0x0b14
-#define RADEON_SURFACE1_UPPER_BOUND 0x0b18
-#define RADEON_SURFACE2_INFO 0x0b2c
-#define RADEON_SURFACE2_LOWER_BOUND 0x0b24
-#define RADEON_SURFACE2_UPPER_BOUND 0x0b28
-#define RADEON_SURFACE3_INFO 0x0b3c
-#define RADEON_SURFACE3_LOWER_BOUND 0x0b34
-#define RADEON_SURFACE3_UPPER_BOUND 0x0b38
-#define RADEON_SURFACE4_INFO 0x0b4c
-#define RADEON_SURFACE4_LOWER_BOUND 0x0b44
-#define RADEON_SURFACE4_UPPER_BOUND 0x0b48
-#define RADEON_SURFACE5_INFO 0x0b5c
-#define RADEON_SURFACE5_LOWER_BOUND 0x0b54
-#define RADEON_SURFACE5_UPPER_BOUND 0x0b58
-#define RADEON_SURFACE6_INFO 0x0b6c
-#define RADEON_SURFACE6_LOWER_BOUND 0x0b64
-#define RADEON_SURFACE6_UPPER_BOUND 0x0b68
-#define RADEON_SURFACE7_INFO 0x0b7c
-#define RADEON_SURFACE7_LOWER_BOUND 0x0b74
-#define RADEON_SURFACE7_UPPER_BOUND 0x0b78
-#define RADEON_SW_SEMAPHORE 0x013c
-
-#define RADEON_WAIT_UNTIL 0x1720
-# define RADEON_WAIT_CRTC_PFLIP (1 << 0)
-# define RADEON_WAIT_2D_IDLECLEAN (1 << 16)
-# define RADEON_WAIT_3D_IDLECLEAN (1 << 17)
-# define RADEON_WAIT_HOST_IDLECLEAN (1 << 18)
-
-#define RADEON_RB3D_ZMASKOFFSET 0x1c34
-#define RADEON_RB3D_ZSTENCILCNTL 0x1c2c
-# define RADEON_DEPTH_FORMAT_16BIT_INT_Z (0 << 0)
-# define RADEON_DEPTH_FORMAT_24BIT_INT_Z (2 << 0)
-
-
-/* CP registers */
-#define RADEON_CP_ME_RAM_ADDR 0x07d4
-#define RADEON_CP_ME_RAM_RADDR 0x07d8
-#define RADEON_CP_ME_RAM_DATAH 0x07dc
-#define RADEON_CP_ME_RAM_DATAL 0x07e0
-
-#define RADEON_CP_RB_BASE 0x0700
-#define RADEON_CP_RB_CNTL 0x0704
-#define RADEON_CP_RB_RPTR_ADDR 0x070c
-#define RADEON_CP_RB_RPTR 0x0710
-#define RADEON_CP_RB_WPTR 0x0714
-
-#define RADEON_CP_RB_WPTR_DELAY 0x0718
-# define RADEON_PRE_WRITE_TIMER_SHIFT 0
-# define RADEON_PRE_WRITE_LIMIT_SHIFT 23
-
-#define RADEON_CP_IB_BASE 0x0738
-
-#define RADEON_CP_CSQ_CNTL 0x0740
-# define RADEON_CSQ_CNT_PRIMARY_MASK (0xff << 0)
-# define RADEON_CSQ_PRIDIS_INDDIS (0 << 28)
-# define RADEON_CSQ_PRIPIO_INDDIS (1 << 28)
-# define RADEON_CSQ_PRIBM_INDDIS (2 << 28)
-# define RADEON_CSQ_PRIPIO_INDBM (3 << 28)
-# define RADEON_CSQ_PRIBM_INDBM (4 << 28)
-# define RADEON_CSQ_PRIPIO_INDPIO (15 << 28)
-
-#define RADEON_AIC_CNTL 0x01d0
-# define RADEON_PCIGART_TRANSLATE_EN (1 << 0)
-#define RADEON_AIC_STAT 0x01d4
-#define RADEON_AIC_PT_BASE 0x01d8
-#define RADEON_AIC_LO_ADDR 0x01dc
-#define RADEON_AIC_HI_ADDR 0x01e0
-#define RADEON_AIC_TLB_ADDR 0x01e4
-#define RADEON_AIC_TLB_DATA 0x01e8
-
-/* CP command packets */
-#define RADEON_CP_PACKET0 0x00000000
-# define RADEON_ONE_REG_WR (1 << 15)
-#define RADEON_CP_PACKET1 0x40000000
-#define RADEON_CP_PACKET2 0x80000000
-#define RADEON_CP_PACKET3 0xC0000000
-# define RADEON_3D_RNDR_GEN_INDX_PRIM 0x00002300
-# define RADEON_WAIT_FOR_IDLE 0x00002600
-# define RADEON_3D_DRAW_IMMD 0x00002900
-# define RADEON_3D_CLEAR_ZMASK 0x00003200
-# define RADEON_CNTL_HOSTDATA_BLT 0x00009400
-# define RADEON_CNTL_PAINT_MULTI 0x00009A00
-# define RADEON_CNTL_BITBLT_MULTI 0x00009B00
-
-#define RADEON_CP_PACKET_MASK 0xC0000000
-#define RADEON_CP_PACKET_COUNT_MASK 0x3fff0000
-#define RADEON_CP_PACKET0_REG_MASK 0x000007ff
-#define RADEON_CP_PACKET1_REG0_MASK 0x000007ff
-#define RADEON_CP_PACKET1_REG1_MASK 0x003ff800
-
-#define RADEON_VTX_Z_PRESENT (1 << 31)
-
-#define RADEON_PRIM_TYPE_NONE (0 << 0)
-#define RADEON_PRIM_TYPE_POINT (1 << 0)
-#define RADEON_PRIM_TYPE_LINE (2 << 0)
-#define RADEON_PRIM_TYPE_LINE_STRIP (3 << 0)
-#define RADEON_PRIM_TYPE_TRI_LIST (4 << 0)
-#define RADEON_PRIM_TYPE_TRI_FAN (5 << 0)
-#define RADEON_PRIM_TYPE_TRI_STRIP (6 << 0)
-#define RADEON_PRIM_TYPE_TRI_TYPE2 (7 << 0)
-#define RADEON_PRIM_TYPE_RECT_LIST (8 << 0)
-#define RADEON_PRIM_TYPE_3VRT_POINT_LIST (9 << 0)
-#define RADEON_PRIM_TYPE_3VRT_LINE_LIST (10 << 0)
-#define RADEON_PRIM_TYPE_MASK 0xf
-#define RADEON_PRIM_WALK_IND (1 << 4)
-#define RADEON_PRIM_WALK_LIST (2 << 4)
-#define RADEON_PRIM_WALK_RING (3 << 4)
-#define RADEON_COLOR_ORDER_BGRA (0 << 6)
-#define RADEON_COLOR_ORDER_RGBA (1 << 6)
-#define RADEON_MAOS_ENABLE (1 << 7)
-#define RADEON_VTX_FMT_R128_MODE (0 << 8)
-#define RADEON_VTX_FMT_RADEON_MODE (1 << 8)
-#define RADEON_NUM_VERTICES_SHIFT 16
-
-#define RADEON_COLOR_FORMAT_CI8 2
-#define RADEON_COLOR_FORMAT_ARGB1555 3
-#define RADEON_COLOR_FORMAT_RGB565 4
-#define RADEON_COLOR_FORMAT_ARGB8888 6
-#define RADEON_COLOR_FORMAT_RGB332 7
-#define RADEON_COLOR_FORMAT_RGB8 9
-#define RADEON_COLOR_FORMAT_ARGB4444 15
-
-#define RADEON_TXFORMAT_I8 0
-#define RADEON_TXFORMAT_AI88 1
-#define RADEON_TXFORMAT_RGB332 2
-#define RADEON_TXFORMAT_ARGB1555 3
-#define RADEON_TXFORMAT_RGB565 4
-#define RADEON_TXFORMAT_ARGB4444 5
-#define RADEON_TXFORMAT_ARGB8888 6
-#define RADEON_TXFORMAT_RGBA8888 7
-
-/* Constants */
-#define RADEON_MAX_USEC_TIMEOUT 100000 /* 100 ms */
-
-#define RADEON_LAST_FRAME_REG RADEON_SCRATCH_REG0
-#define RADEON_LAST_DISPATCH_REG RADEON_SCRATCH_REG1
-#define RADEON_LAST_CLEAR_REG RADEON_SCRATCH_REG2
-#define RADEON_LAST_DISPATCH 1
-
-#define RADEON_MAX_VB_AGE 0x7fffffff
-#define RADEON_MAX_VB_VERTS (0xffff)
-
-#define RADEON_RING_HIGH_MARK 128
-
-
-#define RADEON_BASE(reg) ((unsigned long)(dev_priv->mmio->handle))
-#define RADEON_ADDR(reg) (RADEON_BASE( reg ) + reg)
-
-#define RADEON_DEREF(reg) *(volatile u32 *)RADEON_ADDR( reg )
-#ifdef __alpha__
-#define RADEON_READ(reg) (_RADEON_READ((u32 *)RADEON_ADDR( reg )))
-static inline u32 _RADEON_READ(u32 *addr)
-{
- DRM_OS_READMEMORYBARRIER;
- return *(volatile u32 *)addr;
-}
-#define RADEON_WRITE(reg,val) \
-do { \
- DRM_OS_WRITEMEMORYBARRIER; \
- RADEON_DEREF(reg) = val; \
-} while (0)
-#else
-#define RADEON_READ(reg) RADEON_DEREF( reg )
-#define RADEON_WRITE(reg, val) do { RADEON_DEREF( reg ) = val; } while (0)
-#endif
-
-#define RADEON_DEREF8(reg) *(volatile u8 *)RADEON_ADDR( reg )
-#ifdef __alpha__
-#define RADEON_READ8(reg) _RADEON_READ8((u8 *)RADEON_ADDR( reg ))
-static inline u8 _RADEON_READ8(u8 *addr)
-{
- DRM_OS_READMEMORYBARRIER;
- return *(volatile u8 *)addr;
-}
-#define RADEON_WRITE8(reg,val) \
-do { \
- DRM_OS_WRITEMEMORYBARRIER; \
- RADEON_DEREF8( reg ) = val; \
-} while (0)
-#else
-#define RADEON_READ8(reg) RADEON_DEREF8( reg )
-#define RADEON_WRITE8(reg, val) do { RADEON_DEREF8( reg ) = val; } while (0)
-#endif
-
-#define RADEON_WRITE_PLL( addr, val ) \
-do { \
- RADEON_WRITE8( RADEON_CLOCK_CNTL_INDEX, \
- ((addr) & 0x1f) | RADEON_PLL_WR_EN ); \
- RADEON_WRITE( RADEON_CLOCK_CNTL_DATA, (val) ); \
-} while (0)
-
-extern int RADEON_READ_PLL( drm_device_t *dev, int addr );
-
-
-#define CP_PACKET0( reg, n ) \
- (RADEON_CP_PACKET0 | ((n) << 16) | ((reg) >> 2))
-#define CP_PACKET0_TABLE( reg, n ) \
- (RADEON_CP_PACKET0 | RADEON_ONE_REG_WR | ((n) << 16) | ((reg) >> 2))
-#define CP_PACKET1( reg0, reg1 ) \
- (RADEON_CP_PACKET1 | (((reg1) >> 2) << 15) | ((reg0) >> 2))
-#define CP_PACKET2() \
- (RADEON_CP_PACKET2)
-#define CP_PACKET3( pkt, n ) \
- (RADEON_CP_PACKET3 | (pkt) | ((n) << 16))
-
-
-/* ================================================================
- * Engine control helper macros
- */
-
-#define RADEON_WAIT_UNTIL_2D_IDLE() do { \
- OUT_RING( CP_PACKET0( RADEON_WAIT_UNTIL, 0 ) ); \
- OUT_RING( (RADEON_WAIT_2D_IDLECLEAN | \
- RADEON_WAIT_HOST_IDLECLEAN) ); \
-} while (0)
-
-#define RADEON_WAIT_UNTIL_3D_IDLE() do { \
- OUT_RING( CP_PACKET0( RADEON_WAIT_UNTIL, 0 ) ); \
- OUT_RING( (RADEON_WAIT_3D_IDLECLEAN | \
- RADEON_WAIT_HOST_IDLECLEAN) ); \
-} while (0)
-
-#define RADEON_WAIT_UNTIL_IDLE() do { \
- OUT_RING( CP_PACKET0( RADEON_WAIT_UNTIL, 0 ) ); \
- OUT_RING( (RADEON_WAIT_2D_IDLECLEAN | \
- RADEON_WAIT_3D_IDLECLEAN | \
- RADEON_WAIT_HOST_IDLECLEAN) ); \
-} while (0)
-
-#define RADEON_WAIT_UNTIL_PAGE_FLIPPED() do { \
- OUT_RING( CP_PACKET0( RADEON_WAIT_UNTIL, 0 ) ); \
- OUT_RING( RADEON_WAIT_CRTC_PFLIP ); \
-} while (0)
-
-#define RADEON_FLUSH_CACHE() do { \
- OUT_RING( CP_PACKET0( RADEON_RB2D_DSTCACHE_CTLSTAT, 0 ) ); \
- OUT_RING( RADEON_RB2D_DC_FLUSH ); \
-} while (0)
-
-#define RADEON_PURGE_CACHE() do { \
- OUT_RING( CP_PACKET0( RADEON_RB2D_DSTCACHE_CTLSTAT, 0 ) ); \
- OUT_RING( RADEON_RB2D_DC_FLUSH_ALL ); \
-} while (0)
-
-#define RADEON_FLUSH_ZCACHE() do { \
- OUT_RING( CP_PACKET0( RADEON_RB3D_ZCACHE_CTLSTAT, 0 ) ); \
- OUT_RING( RADEON_RB3D_ZC_FLUSH ); \
-} while (0)
-
-#define RADEON_PURGE_ZCACHE() do { \
- OUT_RING( CP_PACKET0( RADEON_RB3D_ZCACHE_CTLSTAT, 0 ) ); \
- OUT_RING( RADEON_RB3D_ZC_FLUSH_ALL ); \
-} while (0)
-
-
-/* ================================================================
- * Misc helper macros
- */
-
-#define LOCK_TEST_WITH_RETURN( dev ) \
-do { \
- if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || \
- dev->lock.pid != DRM_OS_CURRENTPID ) { \
- DRM_ERROR( "%s called without lock held\n", \
- __FUNCTION__ ); \
- DRM_OS_RETURN( EINVAL ); \
- } \
-} while (0)
-
-#define RING_SPACE_TEST_WITH_RETURN( dev_priv ) \
-do { \
- drm_radeon_ring_buffer_t *ring = &dev_priv->ring; int i; \
- if ( ring->space < ring->high_mark ) { \
- for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { \
- radeon_update_ring_snapshot( ring ); \
- if ( ring->space >= ring->high_mark ) \
- goto __ring_space_done; \
- DRM_OS_DELAY( 1 ); \
- } \
- DRM_ERROR( "ring space check failed!\n" ); \
- DRM_OS_RETURN( EBUSY ); \
- } \
- __ring_space_done: \
-} while (0)
-
-#define VB_AGE_TEST_WITH_RETURN( dev_priv ) \
-do { \
- drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; \
- if ( sarea_priv->last_dispatch >= RADEON_MAX_VB_AGE ) { \
- int __ret = radeon_do_cp_idle( dev_priv ); \
- if ( __ret ) return __ret; \
- sarea_priv->last_dispatch = 0; \
- radeon_freelist_reset( dev ); \
- } \
-} while (0)
-
-#define RADEON_DISPATCH_AGE( age ) do { \
- OUT_RING( CP_PACKET0( RADEON_LAST_DISPATCH_REG, 0 ) ); \
- OUT_RING( age ); \
-} while (0)
-
-#define RADEON_FRAME_AGE( age ) do { \
- OUT_RING( CP_PACKET0( RADEON_LAST_FRAME_REG, 0 ) ); \
- OUT_RING( age ); \
-} while (0)
-
-#define RADEON_CLEAR_AGE( age ) do { \
- OUT_RING( CP_PACKET0( RADEON_LAST_CLEAR_REG, 0 ) ); \
- OUT_RING( age ); \
-} while (0)
-
-
-/* ================================================================
- * Ring control
- */
-
-#define radeon_flush_write_combine() DRM_OS_READMEMORYBARRIER
-
-
-#define RADEON_VERBOSE 0
-
-#define RING_LOCALS int write; unsigned int mask; volatile u32 *ring;
-
-#define BEGIN_RING( n ) do { \
- if ( RADEON_VERBOSE ) { \
- DRM_INFO( "BEGIN_RING( %d ) in %s\n", \
- n, __FUNCTION__ ); \
- } \
- if ( dev_priv->ring.space <= (n) * sizeof(u32) ) { \
- radeon_wait_ring( dev_priv, (n) * sizeof(u32) ); \
- } \
- dev_priv->ring.space -= (n) * sizeof(u32); \
- ring = dev_priv->ring.start; \
- write = dev_priv->ring.tail; \
- mask = dev_priv->ring.tail_mask; \
-} while (0)
-
-#define ADVANCE_RING() do { \
- if ( RADEON_VERBOSE ) { \
- DRM_INFO( "ADVANCE_RING() wr=0x%06x tail=0x%06x\n", \
- write, dev_priv->ring.tail ); \
- } \
- radeon_flush_write_combine(); \
- dev_priv->ring.tail = write; \
- RADEON_WRITE( RADEON_CP_RB_WPTR, write ); \
-} while (0)
-
-#define OUT_RING( x ) do { \
- if ( RADEON_VERBOSE ) { \
- DRM_INFO( " OUT_RING( 0x%08x ) at 0x%x\n", \
- (unsigned int)(x), write ); \
- } \
- ring[write++] = (x); \
- write &= mask; \
-} while (0)
-
-#define OUT_RING_REG( reg, val ) do { \
- OUT_RING( CP_PACKET0( reg, 0 ) ); \
- OUT_RING( val ); \
-} while (0)
-
-#define RADEON_PERFORMANCE_BOXES 0
-
-#endif /* __RADEON_DRV_H__ */
+++ /dev/null
-/* radeon_state.c -- State support for Radeon -*- linux-c -*-
- *
- * Copyright 2000 VA Linux Systems, Inc., Fremont, California.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Gareth Hughes <gareth@valinux.com>
- * Kevin E. Martin <martin@valinux.com>
- */
-
-#include "radeon.h"
-#include "drmP.h"
-#include "drm.h"
-#include "radeon_drm.h"
-#include "radeon_drv.h"
-
-
-/* ================================================================
- * CP hardware state programming functions
- */
-
-static __inline__ void radeon_emit_clip_rect( drm_radeon_private_t *dev_priv,
- drm_clip_rect_t *box )
-{
- RING_LOCALS;
-
- DRM_DEBUG( " box: x1=%d y1=%d x2=%d y2=%d\n",
- box->x1, box->y1, box->x2, box->y2 );
-
- BEGIN_RING( 4 );
-
- OUT_RING( CP_PACKET0( RADEON_RE_TOP_LEFT, 0 ) );
- OUT_RING( (box->y1 << 16) | box->x1 );
-
- OUT_RING( CP_PACKET0( RADEON_RE_WIDTH_HEIGHT, 0 ) );
- OUT_RING( ((box->y2 - 1) << 16) | (box->x2 - 1) );
-
- ADVANCE_RING();
-}
-
-static __inline__ void radeon_emit_context( drm_radeon_private_t *dev_priv,
- drm_radeon_context_regs_t *ctx )
-{
- RING_LOCALS;
- DRM_DEBUG( " %s\n", __FUNCTION__ );
-
- BEGIN_RING( 14 );
-
- OUT_RING( CP_PACKET0( RADEON_PP_MISC, 6 ) );
- OUT_RING( ctx->pp_misc );
- OUT_RING( ctx->pp_fog_color );
- OUT_RING( ctx->re_solid_color );
- OUT_RING( ctx->rb3d_blendcntl );
- OUT_RING( ctx->rb3d_depthoffset );
- OUT_RING( ctx->rb3d_depthpitch );
- OUT_RING( ctx->rb3d_zstencilcntl );
-
- OUT_RING( CP_PACKET0( RADEON_PP_CNTL, 2 ) );
- OUT_RING( ctx->pp_cntl );
- OUT_RING( ctx->rb3d_cntl );
- OUT_RING( ctx->rb3d_coloroffset );
-
- OUT_RING( CP_PACKET0( RADEON_RB3D_COLORPITCH, 0 ) );
- OUT_RING( ctx->rb3d_colorpitch );
-
- ADVANCE_RING();
-}
-
-static __inline__ void radeon_emit_vertfmt( drm_radeon_private_t *dev_priv,
- drm_radeon_context_regs_t *ctx )
-{
- RING_LOCALS;
- DRM_DEBUG( " %s\n", __FUNCTION__ );
-
- BEGIN_RING( 2 );
-
- OUT_RING( CP_PACKET0( RADEON_SE_COORD_FMT, 0 ) );
- OUT_RING( ctx->se_coord_fmt );
-
- ADVANCE_RING();
-}
-
-static __inline__ void radeon_emit_line( drm_radeon_private_t *dev_priv,
- drm_radeon_context_regs_t *ctx )
-{
- RING_LOCALS;
-/* printk( " %s %x %x %x\n", __FUNCTION__, */
-/* ctx->re_line_pattern, */
-/* ctx->re_line_state, */
-/* ctx->se_line_width); */
-
- BEGIN_RING( 5 );
-
- OUT_RING( CP_PACKET0( RADEON_RE_LINE_PATTERN, 1 ) );
- OUT_RING( ctx->re_line_pattern );
- OUT_RING( ctx->re_line_state );
-
- OUT_RING( CP_PACKET0( RADEON_SE_LINE_WIDTH, 0 ) );
- OUT_RING( ctx->se_line_width );
-
- ADVANCE_RING();
-}
-
-static __inline__ void radeon_emit_bumpmap( drm_radeon_private_t *dev_priv,
- drm_radeon_context_regs_t *ctx )
-{
- RING_LOCALS;
- DRM_DEBUG( " %s\n", __FUNCTION__ );
-
- BEGIN_RING( 5 );
-
- OUT_RING( CP_PACKET0( RADEON_PP_LUM_MATRIX, 0 ) );
- OUT_RING( ctx->pp_lum_matrix );
-
- OUT_RING( CP_PACKET0( RADEON_PP_ROT_MATRIX_0, 1 ) );
- OUT_RING( ctx->pp_rot_matrix_0 );
- OUT_RING( ctx->pp_rot_matrix_1 );
-
- ADVANCE_RING();
-}
-
-static __inline__ void radeon_emit_masks( drm_radeon_private_t *dev_priv,
- drm_radeon_context_regs_t *ctx )
-{
- RING_LOCALS;
- DRM_DEBUG( " %s\n", __FUNCTION__ );
-
- BEGIN_RING( 4 );
-
- OUT_RING( CP_PACKET0( RADEON_RB3D_STENCILREFMASK, 2 ) );
- OUT_RING( ctx->rb3d_stencilrefmask );
- OUT_RING( ctx->rb3d_ropcntl );
- OUT_RING( ctx->rb3d_planemask );
-
- ADVANCE_RING();
-}
-
-static __inline__ void radeon_emit_viewport( drm_radeon_private_t *dev_priv,
- drm_radeon_context_regs_t *ctx )
-{
- RING_LOCALS;
- DRM_DEBUG( " %s\n", __FUNCTION__ );
-
- BEGIN_RING( 7 );
-
- OUT_RING( CP_PACKET0( RADEON_SE_VPORT_XSCALE, 5 ) );
- OUT_RING( ctx->se_vport_xscale );
- OUT_RING( ctx->se_vport_xoffset );
- OUT_RING( ctx->se_vport_yscale );
- OUT_RING( ctx->se_vport_yoffset );
- OUT_RING( ctx->se_vport_zscale );
- OUT_RING( ctx->se_vport_zoffset );
-
- ADVANCE_RING();
-}
-
-static __inline__ void radeon_emit_setup( drm_radeon_private_t *dev_priv,
- drm_radeon_context_regs_t *ctx )
-{
- RING_LOCALS;
- DRM_DEBUG( " %s\n", __FUNCTION__ );
-
- BEGIN_RING( 4 );
-
- OUT_RING( CP_PACKET0( RADEON_SE_CNTL, 0 ) );
- OUT_RING( ctx->se_cntl );
- OUT_RING( CP_PACKET0( RADEON_SE_CNTL_STATUS, 0 ) );
- OUT_RING( ctx->se_cntl_status );
-
- ADVANCE_RING();
-}
-
-static __inline__ void radeon_emit_misc( drm_radeon_private_t *dev_priv,
- drm_radeon_context_regs_t *ctx )
-{
- RING_LOCALS;
- DRM_DEBUG( " %s\n", __FUNCTION__ );
-
- BEGIN_RING( 2 );
-
- OUT_RING( CP_PACKET0( RADEON_RE_MISC, 0 ) );
- OUT_RING( ctx->re_misc );
-
- ADVANCE_RING();
-}
-
-static __inline__ void radeon_emit_tex0( drm_radeon_private_t *dev_priv,
- drm_radeon_texture_regs_t *tex )
-{
- RING_LOCALS;
- DRM_DEBUG( " %s: offset=0x%x\n", __FUNCTION__, tex->pp_txoffset );
-
- BEGIN_RING( 9 );
-
- OUT_RING( CP_PACKET0( RADEON_PP_TXFILTER_0, 5 ) );
- OUT_RING( tex->pp_txfilter );
- OUT_RING( tex->pp_txformat );
- OUT_RING( tex->pp_txoffset );
- OUT_RING( tex->pp_txcblend );
- OUT_RING( tex->pp_txablend );
- OUT_RING( tex->pp_tfactor );
-
- OUT_RING( CP_PACKET0( RADEON_PP_BORDER_COLOR_0, 0 ) );
- OUT_RING( tex->pp_border_color );
-
- ADVANCE_RING();
-}
-
-static __inline__ void radeon_emit_tex1( drm_radeon_private_t *dev_priv,
- drm_radeon_texture_regs_t *tex )
-{
- RING_LOCALS;
- DRM_DEBUG( " %s: offset=0x%x\n", __FUNCTION__, tex->pp_txoffset );
-
- BEGIN_RING( 9 );
-
- OUT_RING( CP_PACKET0( RADEON_PP_TXFILTER_1, 5 ) );
- OUT_RING( tex->pp_txfilter );
- OUT_RING( tex->pp_txformat );
- OUT_RING( tex->pp_txoffset );
- OUT_RING( tex->pp_txcblend );
- OUT_RING( tex->pp_txablend );
- OUT_RING( tex->pp_tfactor );
-
- OUT_RING( CP_PACKET0( RADEON_PP_BORDER_COLOR_1, 0 ) );
- OUT_RING( tex->pp_border_color );
-
- ADVANCE_RING();
-}
-
-static __inline__ void radeon_emit_tex2( drm_radeon_private_t *dev_priv,
- drm_radeon_texture_regs_t *tex )
-{
- RING_LOCALS;
- DRM_DEBUG( " %s\n", __FUNCTION__ );
-
- BEGIN_RING( 9 );
-
- OUT_RING( CP_PACKET0( RADEON_PP_TXFILTER_2, 5 ) );
- OUT_RING( tex->pp_txfilter );
- OUT_RING( tex->pp_txformat );
- OUT_RING( tex->pp_txoffset );
- OUT_RING( tex->pp_txcblend );
- OUT_RING( tex->pp_txablend );
- OUT_RING( tex->pp_tfactor );
-
- OUT_RING( CP_PACKET0( RADEON_PP_BORDER_COLOR_2, 0 ) );
- OUT_RING( tex->pp_border_color );
-
- ADVANCE_RING();
-}
-
-#if 0
-static void radeon_print_dirty( const char *msg, unsigned int flags )
-{
- DRM_DEBUG( "%s: (0x%x) %s%s%s%s%s%s%s%s%s%s%s%s%s\n",
- msg,
- flags,
- (flags & RADEON_UPLOAD_CONTEXT) ? "context, " : "",
- (flags & RADEON_UPLOAD_VERTFMT) ? "vertfmt, " : "",
- (flags & RADEON_UPLOAD_LINE) ? "line, " : "",
- (flags & RADEON_UPLOAD_BUMPMAP) ? "bumpmap, " : "",
- (flags & RADEON_UPLOAD_MASKS) ? "masks, " : "",
- (flags & RADEON_UPLOAD_VIEWPORT) ? "viewport, " : "",
- (flags & RADEON_UPLOAD_SETUP) ? "setup, " : "",
- (flags & RADEON_UPLOAD_MISC) ? "misc, " : "",
- (flags & RADEON_UPLOAD_TEX0) ? "tex0, " : "",
- (flags & RADEON_UPLOAD_TEX1) ? "tex1, " : "",
- (flags & RADEON_UPLOAD_TEX2) ? "tex2, " : "",
- (flags & RADEON_UPLOAD_CLIPRECTS) ? "cliprects, " : "",
- (flags & RADEON_REQUIRE_QUIESCENCE) ? "quiescence, " : "" );
-}
-#endif
-
-static __inline__ void radeon_emit_state( drm_radeon_private_t *dev_priv,
- drm_radeon_context_regs_t *ctx,
- drm_radeon_texture_regs_t *tex,
- unsigned int dirty )
-{
- DRM_DEBUG( "%s: dirty=0x%08x\n", __FUNCTION__, dirty );
-
- if ( dirty & RADEON_UPLOAD_CONTEXT ) {
- radeon_emit_context( dev_priv, ctx );
- }
-
- if ( dirty & RADEON_UPLOAD_VERTFMT ) {
- radeon_emit_vertfmt( dev_priv, ctx );
- }
-
- if ( dirty & RADEON_UPLOAD_LINE ) {
- radeon_emit_line( dev_priv, ctx );
- }
-
- if ( dirty & RADEON_UPLOAD_BUMPMAP ) {
- radeon_emit_bumpmap( dev_priv, ctx );
- }
-
- if ( dirty & RADEON_UPLOAD_MASKS ) {
- radeon_emit_masks( dev_priv, ctx );
- }
-
- if ( dirty & RADEON_UPLOAD_VIEWPORT ) {
- radeon_emit_viewport( dev_priv, ctx );
- }
-
- if ( dirty & RADEON_UPLOAD_SETUP ) {
- radeon_emit_setup( dev_priv, ctx );
- }
-
- if ( dirty & RADEON_UPLOAD_MISC ) {
- radeon_emit_misc( dev_priv, ctx );
- }
-
- if ( dirty & RADEON_UPLOAD_TEX0 ) {
- radeon_emit_tex0( dev_priv, &tex[0] );
- }
-
- if ( dirty & RADEON_UPLOAD_TEX1 ) {
- radeon_emit_tex1( dev_priv, &tex[1] );
- }
-
- if ( dirty & RADEON_UPLOAD_TEX2 ) {
- radeon_emit_tex2( dev_priv, &tex[2] );
- }
-}
-
-
-static __inline__ void radeon_emit_zbias( drm_radeon_private_t *dev_priv,
- drm_radeon_context2_regs_t *ctx )
-{
- RING_LOCALS;
-/* printk( " %s %x %x\n", __FUNCTION__, */
-/* ctx->se_zbias_factor, */
-/* ctx->se_zbias_constant ); */
-
- BEGIN_RING( 3 );
- OUT_RING( CP_PACKET0( RADEON_SE_ZBIAS_FACTOR, 1 ) );
- OUT_RING( ctx->se_zbias_factor );
- OUT_RING( ctx->se_zbias_constant );
- ADVANCE_RING();
-}
-
-static __inline__ void radeon_emit_state2( drm_radeon_private_t *dev_priv,
- drm_radeon_state_t *state )
-{
- if (state->dirty & RADEON_UPLOAD_ZBIAS)
- radeon_emit_zbias( dev_priv, &state->context2 );
-
- radeon_emit_state( dev_priv, &state->context,
- state->tex, state->dirty );
-}
-
-#if RADEON_PERFORMANCE_BOXES
-/* ================================================================
- * Performance monitoring functions
- */
-
-static void radeon_clear_box( drm_radeon_private_t *dev_priv,
- int x, int y, int w, int h,
- int r, int g, int b )
-{
- u32 pitch, offset;
- u32 color;
- RING_LOCALS;
-
- switch ( dev_priv->color_fmt ) {
- case RADEON_COLOR_FORMAT_RGB565:
- color = (((r & 0xf8) << 8) |
- ((g & 0xfc) << 3) |
- ((b & 0xf8) >> 3));
- break;
- case RADEON_COLOR_FORMAT_ARGB8888:
- default:
- color = (((0xff) << 24) | (r << 16) | (g << 8) | b);
- break;
- }
-
- offset = dev_priv->back_offset;
- pitch = dev_priv->back_pitch >> 3;
-
- BEGIN_RING( 6 );
-
- OUT_RING( CP_PACKET3( RADEON_CNTL_PAINT_MULTI, 4 ) );
- OUT_RING( RADEON_GMC_DST_PITCH_OFFSET_CNTL |
- RADEON_GMC_BRUSH_SOLID_COLOR |
- (dev_priv->color_fmt << 8) |
- RADEON_GMC_SRC_DATATYPE_COLOR |
- RADEON_ROP3_P |
- RADEON_GMC_CLR_CMP_CNTL_DIS );
-
- OUT_RING( (pitch << 22) | (offset >> 5) );
- OUT_RING( color );
-
- OUT_RING( (x << 16) | y );
- OUT_RING( (w << 16) | h );
-
- ADVANCE_RING();
-}
-
-static void radeon_cp_performance_boxes( drm_radeon_private_t *dev_priv )
-{
- if ( atomic_read( &dev_priv->idle_count ) == 0 ) {
- radeon_clear_box( dev_priv, 64, 4, 8, 8, 0, 255, 0 );
- } else {
- atomic_set( &dev_priv->idle_count, 0 );
- }
-}
-
-#endif
-
-
-/* ================================================================
- * CP command dispatch functions
- */
-
-static void radeon_cp_dispatch_clear( drm_device_t *dev,
- drm_radeon_clear_t *clear,
- drm_radeon_clear_rect_t *depth_boxes )
-{
- drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_radeon_depth_clear_t *depth_clear = &dev_priv->depth_clear;
- int nbox = sarea_priv->nbox;
- drm_clip_rect_t *pbox = sarea_priv->boxes;
- unsigned int flags = clear->flags;
- u32 rb3d_cntl = 0, rb3d_stencilrefmask= 0;
- int i;
- RING_LOCALS;
- DRM_DEBUG( __FUNCTION__": flags = 0x%x\n", flags );
-
- if ( dev_priv->page_flipping && dev_priv->current_page == 1 ) {
- unsigned int tmp = flags;
-
- flags &= ~(RADEON_FRONT | RADEON_BACK);
- if ( tmp & RADEON_FRONT ) flags |= RADEON_BACK;
- if ( tmp & RADEON_BACK ) flags |= RADEON_FRONT;
- }
-
- /* We have to clear the depth and/or stencil buffers by
- * rendering a quad into just those buffers. Thus, we have to
- * make sure the 3D engine is configured correctly.
- */
- if ( flags & (RADEON_DEPTH | RADEON_STENCIL) ) {
- rb3d_cntl = depth_clear->rb3d_cntl;
-
- if ( flags & RADEON_DEPTH ) {
- rb3d_cntl |= RADEON_Z_ENABLE;
- } else {
- rb3d_cntl &= ~RADEON_Z_ENABLE;
- }
-
- if ( flags & RADEON_STENCIL ) {
- rb3d_cntl |= RADEON_STENCIL_ENABLE;
- rb3d_stencilrefmask = clear->depth_mask; /* misnamed field */
- } else {
- rb3d_cntl &= ~RADEON_STENCIL_ENABLE;
- rb3d_stencilrefmask = 0x00000000;
- }
- }
-
- for ( i = 0 ; i < nbox ; i++ ) {
- int x = pbox[i].x1;
- int y = pbox[i].y1;
- int w = pbox[i].x2 - x;
- int h = pbox[i].y2 - y;
-
- DRM_DEBUG( "dispatch clear %d,%d-%d,%d flags 0x%x\n",
- x, y, w, h, flags );
-
- if ( flags & (RADEON_FRONT | RADEON_BACK) ) {
- BEGIN_RING( 4 );
-
- /* Ensure the 3D stream is idle before doing a
- * 2D fill to clear the front or back buffer.
- */
- RADEON_WAIT_UNTIL_3D_IDLE();
-
- OUT_RING( CP_PACKET0( RADEON_DP_WRITE_MASK, 0 ) );
- OUT_RING( clear->color_mask );
-
- ADVANCE_RING();
-
- /* Make sure we restore the 3D state next time.
- */
- dev_priv->sarea_priv->ctx_owner = 0;
- }
-
- if ( flags & RADEON_FRONT ) {
- BEGIN_RING( 6 );
-
- OUT_RING( CP_PACKET3( RADEON_CNTL_PAINT_MULTI, 4 ) );
- OUT_RING( RADEON_GMC_DST_PITCH_OFFSET_CNTL |
- RADEON_GMC_BRUSH_SOLID_COLOR |
- (dev_priv->color_fmt << 8) |
- RADEON_GMC_SRC_DATATYPE_COLOR |
- RADEON_ROP3_P |
- RADEON_GMC_CLR_CMP_CNTL_DIS );
-
- OUT_RING( dev_priv->front_pitch_offset );
- OUT_RING( clear->clear_color );
-
- OUT_RING( (x << 16) | y );
- OUT_RING( (w << 16) | h );
-
- ADVANCE_RING();
- }
-
- if ( flags & RADEON_BACK ) {
- BEGIN_RING( 6 );
-
- OUT_RING( CP_PACKET3( RADEON_CNTL_PAINT_MULTI, 4 ) );
- OUT_RING( RADEON_GMC_DST_PITCH_OFFSET_CNTL |
- RADEON_GMC_BRUSH_SOLID_COLOR |
- (dev_priv->color_fmt << 8) |
- RADEON_GMC_SRC_DATATYPE_COLOR |
- RADEON_ROP3_P |
- RADEON_GMC_CLR_CMP_CNTL_DIS );
-
- OUT_RING( dev_priv->back_pitch_offset );
- OUT_RING( clear->clear_color );
-
- OUT_RING( (x << 16) | y );
- OUT_RING( (w << 16) | h );
-
- ADVANCE_RING();
- }
-
- if ( flags & (RADEON_DEPTH | RADEON_STENCIL) ) {
-
- radeon_emit_clip_rect( dev_priv,
- &sarea_priv->boxes[i] );
-
- BEGIN_RING( 25 );
-
- RADEON_WAIT_UNTIL_2D_IDLE();
-
- OUT_RING( CP_PACKET0( RADEON_PP_CNTL, 1 ) );
- OUT_RING( 0x00000000 );
- OUT_RING( rb3d_cntl );
-
- OUT_RING_REG( RADEON_RB3D_ZSTENCILCNTL,
- depth_clear->rb3d_zstencilcntl );
- OUT_RING_REG( RADEON_RB3D_STENCILREFMASK,
- rb3d_stencilrefmask );
- OUT_RING_REG( RADEON_RB3D_PLANEMASK,
- 0x00000000 );
- OUT_RING_REG( RADEON_SE_CNTL,
- depth_clear->se_cntl );
-
- OUT_RING( CP_PACKET3( RADEON_3D_DRAW_IMMD, 10 ) );
- OUT_RING( RADEON_VTX_Z_PRESENT );
- OUT_RING( (RADEON_PRIM_TYPE_RECT_LIST |
- RADEON_PRIM_WALK_RING |
- RADEON_MAOS_ENABLE |
- RADEON_VTX_FMT_RADEON_MODE |
- (3 << RADEON_NUM_VERTICES_SHIFT)) );
-
-/* printk( "depth box %d: %x %x %x %x\n", */
-/* i, */
-/* depth_boxes[i].ui[CLEAR_X1], */
-/* depth_boxes[i].ui[CLEAR_Y1], */
-/* depth_boxes[i].ui[CLEAR_X2], */
-/* depth_boxes[i].ui[CLEAR_Y2]); */
-
- OUT_RING( depth_boxes[i].ui[CLEAR_X1] );
- OUT_RING( depth_boxes[i].ui[CLEAR_Y1] );
- OUT_RING( depth_boxes[i].ui[CLEAR_DEPTH] );
-
- OUT_RING( depth_boxes[i].ui[CLEAR_X1] );
- OUT_RING( depth_boxes[i].ui[CLEAR_Y2] );
- OUT_RING( depth_boxes[i].ui[CLEAR_DEPTH] );
-
- OUT_RING( depth_boxes[i].ui[CLEAR_X2] );
- OUT_RING( depth_boxes[i].ui[CLEAR_Y2] );
- OUT_RING( depth_boxes[i].ui[CLEAR_DEPTH] );
-
- ADVANCE_RING();
-
- /* Make sure we restore the 3D state next time.
- */
- dev_priv->sarea_priv->ctx_owner = 0;
- }
- }
-
- /* Increment the clear counter. The client-side 3D driver must
- * wait on this value before performing the clear ioctl. We
- * need this because the card's so damned fast...
- */
- dev_priv->sarea_priv->last_clear++;
-
- BEGIN_RING( 4 );
-
- RADEON_CLEAR_AGE( dev_priv->sarea_priv->last_clear );
- RADEON_WAIT_UNTIL_IDLE();
-
- ADVANCE_RING();
-}
-
-static void radeon_cp_dispatch_swap( drm_device_t *dev )
-{
- drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
- int nbox = sarea_priv->nbox;
- drm_clip_rect_t *pbox = sarea_priv->boxes;
- int i;
- RING_LOCALS;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
-#if RADEON_PERFORMANCE_BOXES
- /* Do some trivial performance monitoring...
- */
- radeon_cp_performance_boxes( dev_priv );
-#endif
-
- /* Wait for the 3D stream to idle before dispatching the bitblt.
- * This will prevent data corruption between the two streams.
- */
- BEGIN_RING( 2 );
-
- RADEON_WAIT_UNTIL_3D_IDLE();
-
- ADVANCE_RING();
-
- for ( i = 0 ; i < nbox ; i++ ) {
- int x = pbox[i].x1;
- int y = pbox[i].y1;
- int w = pbox[i].x2 - x;
- int h = pbox[i].y2 - y;
-
- DRM_DEBUG( "dispatch swap %d,%d-%d,%d\n",
- x, y, w, h );
-
- BEGIN_RING( 7 );
-
- OUT_RING( CP_PACKET3( RADEON_CNTL_BITBLT_MULTI, 5 ) );
- OUT_RING( RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
- RADEON_GMC_DST_PITCH_OFFSET_CNTL |
- RADEON_GMC_BRUSH_NONE |
- (dev_priv->color_fmt << 8) |
- RADEON_GMC_SRC_DATATYPE_COLOR |
- RADEON_ROP3_S |
- RADEON_DP_SRC_SOURCE_MEMORY |
- RADEON_GMC_CLR_CMP_CNTL_DIS |
- RADEON_GMC_WR_MSK_DIS );
-
- OUT_RING( dev_priv->back_pitch_offset );
- OUT_RING( dev_priv->front_pitch_offset );
-
- OUT_RING( (x << 16) | y );
- OUT_RING( (x << 16) | y );
- OUT_RING( (w << 16) | h );
-
- ADVANCE_RING();
- }
-
- /* Increment the frame counter. The client-side 3D driver must
- * throttle the framerate by waiting for this value before
- * performing the swapbuffer ioctl.
- */
- dev_priv->sarea_priv->last_frame++;
-
- BEGIN_RING( 4 );
-
- RADEON_FRAME_AGE( dev_priv->sarea_priv->last_frame );
- RADEON_WAIT_UNTIL_2D_IDLE();
-
- ADVANCE_RING();
-}
-
-static void radeon_cp_dispatch_flip( drm_device_t *dev )
-{
- drm_radeon_private_t *dev_priv = dev->dev_private;
- RING_LOCALS;
- DRM_DEBUG( "%s: page=%d\n", __FUNCTION__, dev_priv->current_page );
-
-#if RADEON_PERFORMANCE_BOXES
- /* Do some trivial performance monitoring...
- */
- radeon_cp_performance_boxes( dev_priv );
-#endif
-
- BEGIN_RING( 6 );
-
- RADEON_WAIT_UNTIL_3D_IDLE();
- RADEON_WAIT_UNTIL_PAGE_FLIPPED();
-
- OUT_RING( CP_PACKET0( RADEON_CRTC_OFFSET, 0 ) );
-
- if ( dev_priv->current_page == 0 ) {
- OUT_RING( dev_priv->back_offset );
- dev_priv->current_page = 1;
- } else {
- OUT_RING( dev_priv->front_offset );
- dev_priv->current_page = 0;
- }
-
- ADVANCE_RING();
-
- /* Increment the frame counter. The client-side 3D driver must
- * throttle the framerate by waiting for this value before
- * performing the swapbuffer ioctl.
- */
- dev_priv->sarea_priv->last_frame++;
-
- BEGIN_RING( 2 );
-
- RADEON_FRAME_AGE( dev_priv->sarea_priv->last_frame );
-
- ADVANCE_RING();
-}
-
-
-static void radeon_cp_dispatch_vertex( drm_device_t *dev,
- drm_buf_t *buf,
- drm_radeon_prim_t *prim )
-{
- drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_radeon_buf_priv_t *buf_priv = buf->dev_private;
- int offset = dev_priv->agp_buffers_offset + buf->offset + prim->start;
- int numverts = (int)prim->numverts;
- int i = 0;
- RING_LOCALS;
-
- DRM_DEBUG( __FUNCTION__": nbox=%d %d..%d prim %x nvert %d\n",
- sarea_priv->nbox, prim->start, prim->finish,
- prim->prim, numverts );
-
- buf_priv->dispatched = 1;
-
- do {
- /* Emit the next cliprect */
- if ( i < sarea_priv->nbox ) {
- radeon_emit_clip_rect( dev_priv,
- &sarea_priv->boxes[i] );
- }
-
- /* Emit the vertex buffer rendering commands */
- BEGIN_RING( 5 );
-
- OUT_RING( CP_PACKET3( RADEON_3D_RNDR_GEN_INDX_PRIM, 3 ) );
- OUT_RING( offset );
- OUT_RING( numverts );
- OUT_RING( prim->vc_format );
- OUT_RING( prim->prim | RADEON_PRIM_WALK_LIST |
- RADEON_COLOR_ORDER_RGBA |
- RADEON_VTX_FMT_RADEON_MODE |
- (numverts << RADEON_NUM_VERTICES_SHIFT) );
-
- ADVANCE_RING();
-
- i++;
- } while ( i < sarea_priv->nbox );
-
- dev_priv->sarea_priv->last_dispatch++;
-}
-
-
-static void radeon_cp_discard_buffer( drm_device_t *dev, drm_buf_t *buf )
-{
- drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_radeon_buf_priv_t *buf_priv = buf->dev_private;
- RING_LOCALS;
-
- buf_priv->age = dev_priv->sarea_priv->last_dispatch;
-
- /* Emit the vertex buffer age */
- BEGIN_RING( 2 );
- RADEON_DISPATCH_AGE( buf_priv->age );
- ADVANCE_RING();
-
- buf->pending = 1;
- buf->used = 0;
- /* FIXME: Check dispatched field */
- buf_priv->dispatched = 0;
-}
-
-static void radeon_cp_dispatch_indirect( drm_device_t *dev,
- drm_buf_t *buf,
- int start, int end )
-{
- drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_radeon_buf_priv_t *buf_priv = buf->dev_private;
- RING_LOCALS;
- DRM_DEBUG( "indirect: buf=%d s=0x%x e=0x%x\n",
- buf->idx, start, end );
-
- if ( start != end ) {
- int offset = (dev_priv->agp_buffers_offset
- + buf->offset + start);
- int dwords = (end - start + 3) / sizeof(u32);
-
- /* Indirect buffer data must be an even number of
- * dwords, so if we've been given an odd number we must
- * pad the data with a Type-2 CP packet.
- */
- if ( dwords & 1 ) {
- u32 *data = (u32 *)
- ((char *)dev_priv->buffers->handle
- + buf->offset + start);
- data[dwords++] = RADEON_CP_PACKET2;
- }
-
- buf_priv->dispatched = 1;
-
- /* Fire off the indirect buffer */
- BEGIN_RING( 3 );
-
- OUT_RING( CP_PACKET0( RADEON_CP_IB_BASE, 1 ) );
- OUT_RING( offset );
- OUT_RING( dwords );
-
- ADVANCE_RING();
- }
-
- dev_priv->sarea_priv->last_dispatch++;
-}
-
-static void radeon_cp_dispatch_indices( drm_device_t *dev,
- drm_buf_t *elt_buf,
- drm_radeon_prim_t *prim )
-{
- drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_radeon_buf_priv_t *buf_priv = elt_buf->dev_private;
- drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
- int offset = dev_priv->agp_buffers_offset + prim->numverts * 64;
- u32 *data;
- int dwords;
- int i = 0;
- int start = prim->start + RADEON_INDEX_PRIM_OFFSET;
- int count = (prim->finish - start) / sizeof(u16);
-
- DRM_DEBUG( "indices: start=%x/%x end=%x count=%d nv %d offset %x\n",
- prim->start, start, prim->finish,
- count, prim->numverts, offset );
-
- if ( start < prim->finish ) {
- buf_priv->dispatched = 1;
-
- dwords = (prim->finish - prim->start + 3) / sizeof(u32);
-
- data = (u32 *)((char *)dev_priv->buffers->handle +
- elt_buf->offset + prim->start);
-
- data[0] = CP_PACKET3( RADEON_3D_RNDR_GEN_INDX_PRIM, dwords-2 );
- data[1] = offset;
- data[2] = RADEON_MAX_VB_VERTS;
- data[3] = prim->vc_format;
- data[4] = (prim->prim |
- RADEON_PRIM_WALK_IND |
- RADEON_COLOR_ORDER_RGBA |
- RADEON_VTX_FMT_RADEON_MODE |
- (count << RADEON_NUM_VERTICES_SHIFT) );
-
- if ( count & 0x1 ) {
- /* unnecessary? */
- data[dwords-1] &= 0x0000ffff;
- }
-
- do {
- /* Emit the next set of up to three cliprects */
- if ( i < sarea_priv->nbox ) {
- radeon_emit_clip_rect( dev_priv,
- &sarea_priv->boxes[i] );
- }
-
- radeon_cp_dispatch_indirect( dev, elt_buf,
- prim->start,
- prim->finish );
-
- i++;
- } while ( i < sarea_priv->nbox );
- }
-
- sarea_priv->last_dispatch++;
-}
-
-#define RADEON_MAX_TEXTURE_SIZE (RADEON_BUFFER_SIZE - 8 * sizeof(u32))
-
-static int radeon_cp_dispatch_texture( drm_device_t *dev,
- drm_radeon_texture_t *tex,
- drm_radeon_tex_image_t *image, int pid )
-{
- drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_buf_t *buf;
- drm_radeon_buf_priv_t *buf_priv;
- u32 format;
- u32 *buffer;
- const u8 *data;
- int size, dwords, tex_width, blit_width;
- u32 y, height;
- int ret = 0, i;
- RING_LOCALS;
-
- /* FIXME: Be smarter about this...
- */
- buf = radeon_freelist_get( dev );
- if ( !buf ) DRM_OS_RETURN( EAGAIN );
-
- DRM_DEBUG( "tex: ofs=0x%x p=%d f=%d x=%hd y=%hd w=%hd h=%hd\n",
- tex->offset >> 10, tex->pitch, tex->format,
- image->x, image->y, image->width, image->height );
-
- buf_priv = buf->dev_private;
-
- /* The compiler won't optimize away a division by a variable,
- * even if the only legal values are powers of two. Thus, we'll
- * use a shift instead.
- */
- switch ( tex->format ) {
- case RADEON_TXFORMAT_ARGB8888:
- case RADEON_TXFORMAT_RGBA8888:
- format = RADEON_COLOR_FORMAT_ARGB8888;
- tex_width = tex->width * 4;
- blit_width = image->width * 4;
- break;
- case RADEON_TXFORMAT_AI88:
- case RADEON_TXFORMAT_ARGB1555:
- case RADEON_TXFORMAT_RGB565:
- case RADEON_TXFORMAT_ARGB4444:
- format = RADEON_COLOR_FORMAT_RGB565;
- tex_width = tex->width * 2;
- blit_width = image->width * 2;
- break;
- case RADEON_TXFORMAT_I8:
- case RADEON_TXFORMAT_RGB332:
- format = RADEON_COLOR_FORMAT_CI8;
- tex_width = tex->width * 1;
- blit_width = image->width * 1;
- break;
- default:
- DRM_ERROR( "invalid texture format %d\n", tex->format );
- DRM_OS_RETURN( EINVAL );
- }
-
- DRM_DEBUG( " tex=%dx%d blit=%d\n",
- tex_width, tex->height, blit_width );
-
- /* Flush the pixel cache. This ensures no pixel data gets mixed
- * up with the texture data from the host data blit, otherwise
- * part of the texture image may be corrupted.
- */
- BEGIN_RING( 4 );
-
- RADEON_FLUSH_CACHE();
- RADEON_WAIT_UNTIL_IDLE();
-
- ADVANCE_RING();
-
- /* Make a copy of the parameters in case we have to update them
- * for a multi-pass texture blit.
- */
- y = image->y;
- height = image->height;
- data = image->data;
-
- size = height * blit_width;
-
- if ( size > RADEON_MAX_TEXTURE_SIZE ) {
- /* Texture image is too large, do a multipass upload */
- ret = EAGAIN;
-
- /* Adjust the blit size to fit the indirect buffer */
- height = RADEON_MAX_TEXTURE_SIZE / blit_width;
- size = height * blit_width;
-
- /* Update the input parameters for next time */
- image->y += height;
- image->height -= height;
- image->data = (const char *)image->data + size;
-
- if ( DRM_OS_COPYTOUSR( tex->image, image, sizeof(*image) ) ) {
- DRM_ERROR( "EFAULT on tex->image\n" );
- DRM_OS_RETURN( EFAULT );
- }
- } else if ( size < 4 ) {
- size = 4;
- }
-
- dwords = size / 4;
-
- /* Dispatch the indirect buffer.
- */
- buffer = (u32 *)((char *)dev_priv->buffers->handle + buf->offset);
-
- buffer[0] = CP_PACKET3( RADEON_CNTL_HOSTDATA_BLT, dwords + 6 );
- buffer[1] = (RADEON_GMC_DST_PITCH_OFFSET_CNTL |
- RADEON_GMC_BRUSH_NONE |
- (format << 8) |
- RADEON_GMC_SRC_DATATYPE_COLOR |
- RADEON_ROP3_S |
- RADEON_DP_SRC_SOURCE_HOST_DATA |
- RADEON_GMC_CLR_CMP_CNTL_DIS |
- RADEON_GMC_WR_MSK_DIS);
-
- buffer[2] = (tex->pitch << 22) | (tex->offset >> 10);
- buffer[3] = 0xffffffff;
- buffer[4] = 0xffffffff;
- buffer[5] = (y << 16) | image->x;
- buffer[6] = (height << 16) | image->width;
- buffer[7] = dwords;
-
- buffer += 8;
-
- if ( tex_width >= 32 ) {
- /* Texture image width is larger than the minimum, so we
- * can upload it directly.
- */
- if ( DRM_OS_COPYFROMUSR( buffer, data, dwords * sizeof(u32) ) ) {
- DRM_ERROR( "EFAULT on data, %d dwords\n", dwords );
- DRM_OS_RETURN( EFAULT );
- }
- } else {
- /* Texture image width is less than the minimum, so we
- * need to pad out each image scanline to the minimum
- * width.
- */
- for ( i = 0 ; i < tex->height ; i++ ) {
- if ( DRM_OS_COPYFROMUSR( buffer, data, tex_width ) ) {
- DRM_ERROR( "EFAULT on pad, %d bytes\n",
- tex_width );
- DRM_OS_RETURN( EFAULT );
- }
- buffer += 8;
- data += tex_width;
- }
- }
-
- buf->pid = pid;
- buf->used = (dwords + 8) * sizeof(u32);
- buf_priv->discard = 1;
-
- radeon_cp_dispatch_indirect( dev, buf, 0, buf->used );
- radeon_cp_discard_buffer( dev, buf );
-
- /* Flush the pixel cache after the blit completes. This ensures
- * the texture data is written out to memory before rendering
- * continues.
- */
- BEGIN_RING( 4 );
-
- RADEON_FLUSH_CACHE();
- RADEON_WAIT_UNTIL_2D_IDLE();
-
- ADVANCE_RING();
-
- DRM_OS_RETURN( ret );
-}
-
-static void radeon_cp_dispatch_stipple( drm_device_t *dev, u32 *stipple )
-{
- drm_radeon_private_t *dev_priv = dev->dev_private;
- int i;
- RING_LOCALS;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- BEGIN_RING( 35 );
-
- OUT_RING( CP_PACKET0( RADEON_RE_STIPPLE_ADDR, 0 ) );
- OUT_RING( 0x00000000 );
-
- OUT_RING( CP_PACKET0_TABLE( RADEON_RE_STIPPLE_DATA, 31 ) );
- for ( i = 0 ; i < 32 ; i++ ) {
- OUT_RING( stipple[i] );
- }
-
- ADVANCE_RING();
-}
-
-
-/* ================================================================
- * IOCTL functions
- */
-
-int radeon_cp_clear( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_radeon_clear_t clear;
- drm_radeon_clear_rect_t depth_boxes[RADEON_NR_SAREA_CLIPRECTS];
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- LOCK_TEST_WITH_RETURN( dev );
-
- DRM_OS_KRNFROMUSR( clear, (drm_radeon_clear_t *) data,
- sizeof(clear) );
-
- RING_SPACE_TEST_WITH_RETURN( dev_priv );
-
- if ( sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS )
- sarea_priv->nbox = RADEON_NR_SAREA_CLIPRECTS;
-
- if ( DRM_OS_COPYFROMUSR( &depth_boxes, clear.depth_boxes,
- sarea_priv->nbox * sizeof(depth_boxes[0]) ) )
- DRM_OS_RETURN( EFAULT );
-
- /* Needed for depth clears via triangles???
- */
- if ( sarea_priv->dirty & ~RADEON_UPLOAD_CLIPRECTS ) {
- radeon_emit_state( dev_priv,
- &sarea_priv->context_state,
- sarea_priv->tex_state,
- sarea_priv->dirty );
-
- sarea_priv->dirty &= ~(RADEON_UPLOAD_TEX0IMAGES |
- RADEON_UPLOAD_TEX1IMAGES |
- RADEON_UPLOAD_TEX2IMAGES |
- RADEON_REQUIRE_QUIESCENCE);
- }
-
- radeon_cp_dispatch_clear( dev, &clear, depth_boxes );
-
- return 0;
-}
-
-int radeon_cp_swap( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- LOCK_TEST_WITH_RETURN( dev );
-
- RING_SPACE_TEST_WITH_RETURN( dev_priv );
-
- if ( sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS )
- sarea_priv->nbox = RADEON_NR_SAREA_CLIPRECTS;
-
- if ( !dev_priv->page_flipping ) {
- radeon_cp_dispatch_swap( dev );
- dev_priv->sarea_priv->ctx_owner = 0;
- } else {
- radeon_cp_dispatch_flip( dev );
- }
-
- return 0;
-}
-
-int radeon_cp_vertex( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_device_dma_t *dma = dev->dma;
- drm_buf_t *buf;
- drm_radeon_buf_priv_t *buf_priv;
- drm_radeon_vertex_t vertex;
- drm_radeon_prim_t prim;
-
- LOCK_TEST_WITH_RETURN( dev );
-
- if ( !dev_priv ) {
- DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
- DRM_OS_RETURN( EINVAL );
- }
-
- DRM_OS_KRNFROMUSR( vertex, (drm_radeon_vertex_t *) data,
- sizeof(vertex) );
-
- DRM_DEBUG( "%s: pid=%d index=%d count=%d discard=%d\n",
- __FUNCTION__, DRM_OS_CURRENTPID,
- vertex.idx, vertex.count, vertex.discard );
-
- if ( vertex.idx < 0 || vertex.idx >= dma->buf_count ) {
- DRM_ERROR( "buffer index %d (of %d max)\n",
- vertex.idx, dma->buf_count - 1 );
- DRM_OS_RETURN( EINVAL );
- }
- if ( vertex.prim < 0 ||
- vertex.prim > RADEON_PRIM_TYPE_3VRT_LINE_LIST ) {
- DRM_ERROR( "buffer prim %d\n", vertex.prim );
- DRM_OS_RETURN( EINVAL );
- }
-
- RING_SPACE_TEST_WITH_RETURN( dev_priv );
- VB_AGE_TEST_WITH_RETURN( dev_priv );
-
- buf = dma->buflist[vertex.idx];
- buf_priv = buf->dev_private;
-
- if ( buf->pid != DRM_OS_CURRENTPID ) {
- DRM_ERROR( "process %d using buffer owned by %d\n",
- DRM_OS_CURRENTPID, buf->pid );
- DRM_OS_RETURN( EINVAL );
- }
- if ( buf->pending ) {
- DRM_ERROR( "sending pending buffer %d\n", vertex.idx );
- DRM_OS_RETURN( EINVAL );
- }
-
- buf->used = vertex.count; /* not used? */
-
- if ( sarea_priv->dirty & ~RADEON_UPLOAD_CLIPRECTS ) {
- radeon_emit_state( dev_priv,
- &sarea_priv->context_state,
- sarea_priv->tex_state,
- sarea_priv->dirty );
-
- sarea_priv->dirty &= ~(RADEON_UPLOAD_TEX0IMAGES |
- RADEON_UPLOAD_TEX1IMAGES |
- RADEON_UPLOAD_TEX2IMAGES |
- RADEON_REQUIRE_QUIESCENCE);
- }
-
- /* Build up a prim_t record:
- */
- prim.start = 0;
- prim.finish = vertex.count; /* unused */
- prim.prim = vertex.prim;
- prim.stateidx = 0xff; /* unused */
- prim.numverts = vertex.count;
- prim.vc_format = dev_priv->sarea_priv->vc_format;
-
- radeon_cp_dispatch_vertex( dev, buf, &prim );
- if (vertex.discard) {
- radeon_cp_discard_buffer( dev, buf );
- }
-
- return 0;
-}
-
-int radeon_cp_indices( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_device_dma_t *dma = dev->dma;
- drm_buf_t *buf;
- drm_radeon_buf_priv_t *buf_priv;
- drm_radeon_indices_t elts;
- drm_radeon_prim_t prim;
- int count;
-
- LOCK_TEST_WITH_RETURN( dev );
-
- if ( !dev_priv ) {
- DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
- DRM_OS_RETURN( EINVAL );
- }
-
- DRM_OS_KRNFROMUSR( elts, (drm_radeon_indices_t *) data,
- sizeof(elts) );
-
- DRM_DEBUG( "%s: pid=%d index=%d start=%d end=%d discard=%d\n",
- __FUNCTION__, DRM_OS_CURRENTPID,
- elts.idx, elts.start, elts.end, elts.discard );
-
- if ( elts.idx < 0 || elts.idx >= dma->buf_count ) {
- DRM_ERROR( "buffer index %d (of %d max)\n",
- elts.idx, dma->buf_count - 1 );
- DRM_OS_RETURN( EINVAL );
- }
- if ( elts.prim < 0 ||
- elts.prim > RADEON_PRIM_TYPE_3VRT_LINE_LIST ) {
- DRM_ERROR( "buffer prim %d\n", elts.prim );
- DRM_OS_RETURN( EINVAL );
- }
-
- RING_SPACE_TEST_WITH_RETURN( dev_priv );
- VB_AGE_TEST_WITH_RETURN( dev_priv );
-
- buf = dma->buflist[elts.idx];
- buf_priv = buf->dev_private;
-
- if ( buf->pid != DRM_OS_CURRENTPID ) {
- DRM_ERROR( "process %d using buffer owned by %d\n",
- DRM_OS_CURRENTPID, buf->pid );
- DRM_OS_RETURN( EINVAL );
- }
- if ( buf->pending ) {
- DRM_ERROR( "sending pending buffer %d\n", elts.idx );
- DRM_OS_RETURN( EINVAL );
- }
-
- count = (elts.end - elts.start) / sizeof(u16);
- elts.start -= RADEON_INDEX_PRIM_OFFSET;
-
- if ( elts.start & 0x7 ) {
- DRM_ERROR( "misaligned buffer 0x%x\n", elts.start );
- DRM_OS_RETURN( EINVAL );
- }
- if ( elts.start < buf->used ) {
- DRM_ERROR( "no header 0x%x - 0x%x\n", elts.start, buf->used );
- DRM_OS_RETURN( EINVAL );
- }
-
- buf->used = elts.end;
-
- if ( sarea_priv->dirty & ~RADEON_UPLOAD_CLIPRECTS ) {
- radeon_emit_state( dev_priv,
- &sarea_priv->context_state,
- sarea_priv->tex_state,
- sarea_priv->dirty );
-
- sarea_priv->dirty &= ~(RADEON_UPLOAD_TEX0IMAGES |
- RADEON_UPLOAD_TEX1IMAGES |
- RADEON_UPLOAD_TEX2IMAGES |
- RADEON_REQUIRE_QUIESCENCE);
- }
-
-
- /* Build up a prim_t record:
- */
- prim.start = elts.start;
- prim.finish = elts.end; /* unused */
- prim.prim = elts.prim;
- prim.stateidx = 0xff; /* unused */
- prim.numverts = count;
- prim.vc_format = dev_priv->sarea_priv->vc_format;
-
- radeon_cp_dispatch_indices( dev, buf, &prim );
- if (elts.discard) {
- radeon_cp_discard_buffer( dev, buf );
- }
-
- return 0;
-}
-
-int radeon_cp_texture( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_radeon_texture_t tex;
- drm_radeon_tex_image_t image;
-
- LOCK_TEST_WITH_RETURN( dev );
-
- DRM_OS_KRNFROMUSR( tex, (drm_radeon_texture_t *) data, sizeof(tex) );
-
- if ( tex.image == NULL ) {
- DRM_ERROR( "null texture image!\n" );
- DRM_OS_RETURN( EINVAL );
- }
-
- if ( DRM_OS_COPYFROMUSR( &image,
- (drm_radeon_tex_image_t *)tex.image,
- sizeof(image) ) )
- DRM_OS_RETURN( EFAULT );
-
- RING_SPACE_TEST_WITH_RETURN( dev_priv );
- VB_AGE_TEST_WITH_RETURN( dev_priv );
-
- return radeon_cp_dispatch_texture( dev, &tex, &image, DRM_OS_CURRENTPID );
-}
-
-int radeon_cp_stipple( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_radeon_stipple_t stipple;
- u32 mask[32];
-
- LOCK_TEST_WITH_RETURN( dev );
-
- DRM_OS_KRNFROMUSR( stipple, (drm_radeon_stipple_t *) data,
- sizeof(stipple) );
-
- if ( DRM_OS_COPYFROMUSR( &mask, stipple.mask, 32 * sizeof(u32) ) )
- DRM_OS_RETURN( EFAULT );
-
- RING_SPACE_TEST_WITH_RETURN( dev_priv );
-
- radeon_cp_dispatch_stipple( dev, mask );
-
- return 0;
-}
-
-int radeon_cp_indirect( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_device_dma_t *dma = dev->dma;
- drm_buf_t *buf;
- drm_radeon_buf_priv_t *buf_priv;
- drm_radeon_indirect_t indirect;
- RING_LOCALS;
-
- LOCK_TEST_WITH_RETURN( dev );
-
- if ( !dev_priv ) {
- DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
- DRM_OS_RETURN( EINVAL );
- }
-
- DRM_OS_KRNFROMUSR( indirect, (drm_radeon_indirect_t *) data,
- sizeof(indirect) );
-
- DRM_DEBUG( "indirect: idx=%d s=%d e=%d d=%d\n",
- indirect.idx, indirect.start,
- indirect.end, indirect.discard );
-
- if ( indirect.idx < 0 || indirect.idx >= dma->buf_count ) {
- DRM_ERROR( "buffer index %d (of %d max)\n",
- indirect.idx, dma->buf_count - 1 );
- DRM_OS_RETURN( EINVAL );
- }
-
- buf = dma->buflist[indirect.idx];
- buf_priv = buf->dev_private;
-
- if ( buf->pid != DRM_OS_CURRENTPID ) {
- DRM_ERROR( "process %d using buffer owned by %d\n",
- DRM_OS_CURRENTPID, buf->pid );
- DRM_OS_RETURN( EINVAL );
- }
- if ( buf->pending ) {
- DRM_ERROR( "sending pending buffer %d\n", indirect.idx );
- DRM_OS_RETURN( EINVAL );
- }
-
- if ( indirect.start < buf->used ) {
- DRM_ERROR( "reusing indirect: start=0x%x actual=0x%x\n",
- indirect.start, buf->used );
- DRM_OS_RETURN( EINVAL );
- }
-
- RING_SPACE_TEST_WITH_RETURN( dev_priv );
- VB_AGE_TEST_WITH_RETURN( dev_priv );
-
- buf->used = indirect.end;
- buf_priv->discard = indirect.discard;
-
- /* Wait for the 3D stream to idle before the indirect buffer
- * containing 2D acceleration commands is processed.
- */
- BEGIN_RING( 2 );
-
- RADEON_WAIT_UNTIL_3D_IDLE();
-
- ADVANCE_RING();
-
- /* Dispatch the indirect buffer full of commands from the
- * X server. This is insecure and is thus only available to
- * privileged clients.
- */
- radeon_cp_dispatch_indirect( dev, buf, indirect.start, indirect.end );
- if (indirect.discard) {
- radeon_cp_discard_buffer( dev, buf );
- }
-
-
- return 0;
-}
-
-int radeon_cp_vertex2( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_device_dma_t *dma = dev->dma;
- drm_buf_t *buf;
- drm_radeon_buf_priv_t *buf_priv;
- drm_radeon_vertex2_t vertex;
- int i;
- unsigned char laststate;
-
- LOCK_TEST_WITH_RETURN( dev );
-
- if ( !dev_priv ) {
- DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
- DRM_OS_RETURN(EINVAL);
- }
-
- DRM_OS_KRNFROMUSR(vertex, (drm_radeon_vertex2_t *)data, sizeof(vertex));
-
- DRM_DEBUG( __FUNCTION__": pid=%d index=%d discard=%d\n",
- current->pid, vertex.idx, vertex.discard );
-
- if ( vertex.idx < 0 || vertex.idx >= dma->buf_count ) {
- DRM_ERROR( "buffer index %d (of %d max)\n",
- vertex.idx, dma->buf_count - 1 );
- DRM_OS_RETURN(EINVAL);
- }
-
- RING_SPACE_TEST_WITH_RETURN( dev_priv );
- VB_AGE_TEST_WITH_RETURN( dev_priv );
-
- buf = dma->buflist[vertex.idx];
- buf_priv = buf->dev_private;
-
- if ( buf->pid != DRM_OS_CURRENTPID ) {
- DRM_ERROR( "process %d using buffer owned by %d\n",
- DRM_OS_CURRENTPID, buf->pid );
- DRM_OS_RETURN(EINVAL);
- }
-
- if ( buf->pending ) {
- DRM_ERROR( "sending pending buffer %d\n", vertex.idx );
- DRM_OS_RETURN(EINVAL);
- }
-
- for (laststate = 0xff, i = 0 ; i < vertex.nr_prims ; i++) {
- drm_radeon_prim_t prim;
-
- if ( DRM_OS_COPYFROMUSR( &prim, &vertex.prim[i], sizeof(prim)))
- DRM_OS_RETURN(EINVAL);
-
-/* printk( "prim %d vfmt %x hwprim %x start %d finish %d\n", */
-/* i, prim.vc_format, prim.prim, */
-/* prim.start, prim.finish ); */
-
- if ( (prim.prim & RADEON_PRIM_TYPE_MASK) >
- RADEON_PRIM_TYPE_3VRT_LINE_LIST ) {
- DRM_ERROR( "buffer prim %d\n", prim.prim );
- DRM_OS_RETURN(EINVAL);
- }
-
- if ( prim.stateidx != laststate ) {
- drm_radeon_state_t state;
-
- if ( DRM_OS_COPYFROMUSR( &state,
- &vertex.state[prim.stateidx],
- sizeof(state) ) )
- DRM_OS_RETURN(EINVAL);
-
-/* printk("emit state %d (%p) dirty %x\n", */
-/* prim.stateidx, */
-/* &vertex.state[prim.stateidx], */
-/* state.dirty); */
-
- radeon_emit_state2( dev_priv, &state );
-
- laststate = prim.stateidx;
- }
-
- if ( prim.finish <= prim.start )
- continue;
-
- if ( prim.start & 0x7 ) {
- DRM_ERROR( "misaligned buffer 0x%x\n", prim.start );
- DRM_OS_RETURN(EINVAL);
- }
-
- if ( prim.prim & RADEON_PRIM_WALK_IND ) {
- radeon_cp_dispatch_indices( dev, buf, &prim );
- } else {
- radeon_cp_dispatch_vertex( dev, buf, &prim );
- }
- }
-
- if ( vertex.discard ) {
- radeon_cp_discard_buffer( dev, buf );
- }
-
- return 0;
-}
projects / platform / upstream / libdrm.git / commitdiff