--- /dev/null
+/* drm_pci.h -- PCI DMA memory management wrappers for DRM -*- linux-c -*- */
+/**
+ * \file drm_pci.h
+ * \brief Functions and ioctls to manage PCI memory
+ *
+ * \warning These interfaces aren't stable yet.
+ *
+ * \todo Implement the remaining ioctl's for the PCI pools.
+ * \todo Add support to map these buffers.
+ * \todo The wrappers here are so thin that they would be better off inlined..
+ *
+ * \author José Fonseca <jrfonseca@tungstengraphics.com>
+ * \author Leif Delgass <ldelgass@retinalburn.net>
+ */
+
+/*
+ * Copyright 2003 José Fonseca.
+ * Copyright 2003 Leif Delgass.
+ * 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 THE
+ * AUTHORS 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.
+ */
+
+
+#define __NO_VERSION__
+#include <linux/pci.h>
+#include "drmP.h"
+
+/**********************************************************************/
+/** \name PCI memory */
+/*@{*/
+
+
+/**
+ * \brief Allocate a PCI consistent memory block, for DMA.
+ */
+void *
+DRM(pci_alloc)(drm_device_t *dev, size_t size, size_t align,
+ dma_addr_t maxaddr, dma_addr_t *busaddr)
+{
+ void *address;
+#if 0
+ unsigned long addr;
+ size_t sz;
+#endif
+#if DRM_DEBUG_MEMORY
+ int area = DRM_MEM_DMA;
+
+ spin_lock(&DRM(mem_lock));
+ if ((DRM(ram_used) >> PAGE_SHIFT)
+ > (DRM_RAM_PERCENT * DRM(ram_available)) / 100) {
+ spin_unlock(&DRM(mem_lock));
+ return 0;
+ }
+ spin_unlock(&DRM(mem_lock));
+#endif
+
+ /* pci_alloc_consistent only guarantees alignment to the smallest
+ * PAGE_SIZE order which is greater than or equal to the requested size.
+ * Return NULL here for now to make sure nobody tries for larger alignment
+ */
+ if (align > size)
+ return NULL;
+
+ if (pci_set_dma_mask( dev->pdev, maxaddr ) != 0) {
+ DRM_ERROR( "Setting pci dma mask failed\n" );
+ return NULL;
+ }
+
+ address = pci_alloc_consistent( dev->pdev, size, busaddr );
+
+#if DRM_DEBUG_MEMORY
+ if (address == NULL) {
+ spin_lock(&DRM(mem_lock));
+ ++DRM(mem_stats)[area].fail_count;
+ spin_unlock(&DRM(mem_lock));
+ return NULL;
+ }
+
+ spin_lock(&DRM(mem_lock));
+ ++DRM(mem_stats)[area].succeed_count;
+ DRM(mem_stats)[area].bytes_allocated += size;
+ DRM(ram_used) += size;
+ spin_unlock(&DRM(mem_lock));
+#else
+ if (address == NULL)
+ return NULL;
+#endif
+
+ memset(address, 0, size);
+
+#if 0
+ /* XXX - Is virt_to_page() legal for consistent mem? */
+ /* Reserve */
+ for (addr = (unsigned long)address, sz = size;
+ sz > 0;
+ addr += PAGE_SIZE, sz -= PAGE_SIZE) {
+ SetPageReserved(virt_to_page(addr));
+ }
+#endif
+
+ return address;
+}
+
+/**
+ * \brief Free a PCI consistent memory block.
+ */
+void
+DRM(pci_free)(drm_device_t *dev, size_t size, void *vaddr, dma_addr_t busaddr)
+{
+#if 0
+ unsigned long addr;
+ size_t sz;
+#endif
+#if DRM_DEBUG_MEMORY
+ int area = DRM_MEM_DMA;
+ int alloc_count;
+ int free_count;
+#endif
+
+ if (!vaddr) {
+#if DRM_DEBUG_MEMORY
+ DRM_MEM_ERROR(area, "Attempt to free address 0\n");
+#endif
+ } else {
+#if 0
+ /* XXX - Is virt_to_page() legal for consistent mem? */
+ /* Unreserve */
+ for (addr = (unsigned long)vaddr, sz = size;
+ sz > 0;
+ addr += PAGE_SIZE, sz -= PAGE_SIZE) {
+ ClearPageReserved(virt_to_page(addr));
+ }
+#endif
+ pci_free_consistent( dev->pdev, size, vaddr, busaddr );
+ }
+
+#if DRM_DEBUG_MEMORY
+ spin_lock(&DRM(mem_lock));
+ free_count = ++DRM(mem_stats)[area].free_count;
+ alloc_count = DRM(mem_stats)[area].succeed_count;
+ DRM(mem_stats)[area].bytes_freed += size;
+ DRM(ram_used) -= size;
+ spin_unlock(&DRM(mem_lock));
+ if (free_count > alloc_count) {
+ DRM_MEM_ERROR(area,
+ "Excess frees: %d frees, %d allocs\n",
+ free_count, alloc_count);
+ }
+#endif
+
+}
+
+/*@}*/
--- /dev/null
+/* mach64_drv.c -- mach64 (Rage Pro) driver -*- linux-c -*-
+ * Created: Fri Nov 24 18:34:32 2000 by gareth@valinux.com
+ *
+ * Copyright 2000 Gareth Hughes
+ * 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
+ * GARETH HUGHES 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>
+ * Leif Delgass <ldelgass@retinalburn.net>
+ */
+
+#include <linux/config.h>
+#include "mach64.h"
+#include "drmP.h"
+#include "drm.h"
+#include "mach64_drm.h"
+#include "mach64_drv.h"
+
+#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_irq.h"
+#include "drm_ioctl.h"
+#include "drm_lock.h"
+#include "drm_memory.h"
+#include "drm_pci.h"
+#include "drm_proc.h"
+#include "drm_vm.h"
+#include "drm_stub.h"
--- /dev/null
+/* drm_pci.h -- PCI DMA memory management wrappers for DRM -*- linux-c -*- */
+/**
+ * \file drm_pci.h
+ * \brief Functions and ioctls to manage PCI memory
+ *
+ * \warning These interfaces aren't stable yet.
+ *
+ * \todo Implement the remaining ioctl's for the PCI pools.
+ * \todo Add support to map these buffers.
+ * \todo The wrappers here are so thin that they would be better off inlined..
+ *
+ * \author José Fonseca <jrfonseca@tungstengraphics.com>
+ * \author Leif Delgass <ldelgass@retinalburn.net>
+ */
+
+/*
+ * Copyright 2003 José Fonseca.
+ * Copyright 2003 Leif Delgass.
+ * 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 THE
+ * AUTHORS 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.
+ */
+
+
+#define __NO_VERSION__
+#include <linux/pci.h>
+#include "drmP.h"
+
+/**********************************************************************/
+/** \name PCI memory */
+/*@{*/
+
+
+/**
+ * \brief Allocate a PCI consistent memory block, for DMA.
+ */
+void *
+DRM(pci_alloc)(drm_device_t *dev, size_t size, size_t align,
+ dma_addr_t maxaddr, dma_addr_t *busaddr)
+{
+ void *address;
+#if 0
+ unsigned long addr;
+ size_t sz;
+#endif
+#if DRM_DEBUG_MEMORY
+ int area = DRM_MEM_DMA;
+
+ spin_lock(&DRM(mem_lock));
+ if ((DRM(ram_used) >> PAGE_SHIFT)
+ > (DRM_RAM_PERCENT * DRM(ram_available)) / 100) {
+ spin_unlock(&DRM(mem_lock));
+ return 0;
+ }
+ spin_unlock(&DRM(mem_lock));
+#endif
+
+ /* pci_alloc_consistent only guarantees alignment to the smallest
+ * PAGE_SIZE order which is greater than or equal to the requested size.
+ * Return NULL here for now to make sure nobody tries for larger alignment
+ */
+ if (align > size)
+ return NULL;
+
+ if (pci_set_dma_mask( dev->pdev, maxaddr ) != 0) {
+ DRM_ERROR( "Setting pci dma mask failed\n" );
+ return NULL;
+ }
+
+ address = pci_alloc_consistent( dev->pdev, size, busaddr );
+
+#if DRM_DEBUG_MEMORY
+ if (address == NULL) {
+ spin_lock(&DRM(mem_lock));
+ ++DRM(mem_stats)[area].fail_count;
+ spin_unlock(&DRM(mem_lock));
+ return NULL;
+ }
+
+ spin_lock(&DRM(mem_lock));
+ ++DRM(mem_stats)[area].succeed_count;
+ DRM(mem_stats)[area].bytes_allocated += size;
+ DRM(ram_used) += size;
+ spin_unlock(&DRM(mem_lock));
+#else
+ if (address == NULL)
+ return NULL;
+#endif
+
+ memset(address, 0, size);
+
+#if 0
+ /* XXX - Is virt_to_page() legal for consistent mem? */
+ /* Reserve */
+ for (addr = (unsigned long)address, sz = size;
+ sz > 0;
+ addr += PAGE_SIZE, sz -= PAGE_SIZE) {
+ SetPageReserved(virt_to_page(addr));
+ }
+#endif
+
+ return address;
+}
+
+/**
+ * \brief Free a PCI consistent memory block.
+ */
+void
+DRM(pci_free)(drm_device_t *dev, size_t size, void *vaddr, dma_addr_t busaddr)
+{
+#if 0
+ unsigned long addr;
+ size_t sz;
+#endif
+#if DRM_DEBUG_MEMORY
+ int area = DRM_MEM_DMA;
+ int alloc_count;
+ int free_count;
+#endif
+
+ if (!vaddr) {
+#if DRM_DEBUG_MEMORY
+ DRM_MEM_ERROR(area, "Attempt to free address 0\n");
+#endif
+ } else {
+#if 0
+ /* XXX - Is virt_to_page() legal for consistent mem? */
+ /* Unreserve */
+ for (addr = (unsigned long)vaddr, sz = size;
+ sz > 0;
+ addr += PAGE_SIZE, sz -= PAGE_SIZE) {
+ ClearPageReserved(virt_to_page(addr));
+ }
+#endif
+ pci_free_consistent( dev->pdev, size, vaddr, busaddr );
+ }
+
+#if DRM_DEBUG_MEMORY
+ spin_lock(&DRM(mem_lock));
+ free_count = ++DRM(mem_stats)[area].free_count;
+ alloc_count = DRM(mem_stats)[area].succeed_count;
+ DRM(mem_stats)[area].bytes_freed += size;
+ DRM(ram_used) -= size;
+ spin_unlock(&DRM(mem_lock));
+ if (free_count > alloc_count) {
+ DRM_MEM_ERROR(area,
+ "Excess frees: %d frees, %d allocs\n",
+ free_count, alloc_count);
+ }
+#endif
+
+}
+
+/*@}*/
--- /dev/null
+/* mach64_drv.c -- mach64 (Rage Pro) driver -*- linux-c -*-
+ * Created: Fri Nov 24 18:34:32 2000 by gareth@valinux.com
+ *
+ * Copyright 2000 Gareth Hughes
+ * 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
+ * GARETH HUGHES 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>
+ * Leif Delgass <ldelgass@retinalburn.net>
+ */
+
+#include <linux/config.h>
+#include "mach64.h"
+#include "drmP.h"
+#include "drm.h"
+#include "mach64_drm.h"
+#include "mach64_drv.h"
+
+#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_irq.h"
+#include "drm_ioctl.h"
+#include "drm_lock.h"
+#include "drm_memory.h"
+#include "drm_pci.h"
+#include "drm_proc.h"
+#include "drm_vm.h"
+#include "drm_stub.h"
projects / platform / upstream / libdrm.git / commitdiff