--- /dev/null
+/**************************************************************************
+
+libtbm_exynos4412
+
+Copyright 2012 Samsung Electronics co., Ltd. All Rights Reserved.
+
+Contact: SooChan Lim <sc1.lim@samsung.com>, Sangjin Lee <lsj119@samsung.com>
+
+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, sub license, 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 NON-INFRINGEMENT.
+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.
+
+**************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <xf86drm.h>
+#include <tbm_bufmgr.h>
+#include <tbm_bufmgr_backend.h>
+#include "exynos_drm.h"
+#include <pthread.h>
+
+#define DEBUG
+#define USE_DMAIMPORT
+#define TBM_EXYNOS4412_LOG(...) fprintf (stderr, __VA_ARGS__)
+
+#ifdef DEBUG
+static int bDebug = 0;
+#define DBG(...) if(bDebug&0x1) TBM_EXYNOS4412_LOG (__VA_ARGS__)
+#else
+#define DBG(...)
+#endif
+
+/* check condition */
+#define EXYNOS4412_RETURN_IF_FAIL(cond) {\
+ if (!(cond)) {\
+ TBM_EXYNOS4412_LOG ("[%s] : '%s' failed.\n", __FUNCTION__, #cond);\
+ return;\
+ }\
+}
+#define EXYNOS4412_RETURN_VAL_IF_FAIL(cond, val) {\
+ if (!(cond)) {\
+ TBM_EXYNOS4412_LOG ("[%s] : '%s' failed.\n", __FUNCTION__, #cond);\
+ return val;\
+ }\
+}
+
+struct dma_buf_info {
+ unsigned long size;
+ unsigned int fence_supported;
+ unsigned int padding;
+};
+
+#define DMA_BUF_ACCESS_READ 0x1
+#define DMA_BUF_ACCESS_WRITE 0x2
+#define DMA_BUF_ACCESS_DMA 0x4
+#define DMA_BUF_ACCESS_MAX 0x8
+
+#define DMA_FENCE_LIST_MAX 5
+
+struct dma_buf_fence {
+ unsigned long ctx;
+ unsigned int type;
+};
+
+#define DMABUF_IOCTL_BASE 'F'
+#define DMABUF_IOWR(nr, type) _IOWR(DMABUF_IOCTL_BASE, nr, type)
+
+#define DMABUF_IOCTL_GET_INFO DMABUF_IOWR(0x00, struct dma_buf_info)
+#define DMABUF_IOCTL_GET_FENCE DMABUF_IOWR(0x01, struct dma_buf_fence)
+#define DMABUF_IOCTL_PUT_FENCE DMABUF_IOWR(0x02, struct dma_buf_fence)
+
+typedef struct _tbm_bufmgr_exynos4412 *tbm_bufmgr_exynos4412;
+typedef struct _tbm_bo_exynos4412 *tbm_bo_exynos4412;
+
+typedef struct _exynos4412_private
+{
+ int ref_count;
+} PrivGem;
+
+/* tbm buffor object for exynos4412 */
+struct _tbm_bo_exynos4412
+{
+ int fd;
+
+ unsigned int name; /* FLINK ID */
+
+ unsigned int gem; /* GEM Handle */
+
+ unsigned int dmabuf; /* fd for dmabuf */
+
+ void *pBase; /* virtual address */
+
+ unsigned int size;
+
+ unsigned int flags_exynos;
+ unsigned int flags_tbm;
+
+ PrivGem* private;
+
+ pthread_mutex_t mutex;
+ struct dma_buf_fence dma_fence[DMA_FENCE_LIST_MAX];
+ int device;
+ int opt;
+};
+
+/* tbm bufmgr private for exynos4412 */
+struct _tbm_bufmgr_exynos4412
+{
+ int fd;
+ int isLocal;
+ void* hashBos;
+
+ int use_dma_fence;
+};
+
+char *STR_DEVICE[]=
+{
+ "DEF",
+ "CPU",
+ "2D",
+ "3D",
+ "MM"
+};
+
+char *STR_OPT[]=
+{
+ "NONE",
+ "RD",
+ "WR",
+ "RDWR"
+};
+
+static unsigned int
+_get_exynos_flag_from_tbm (unsigned int ftbm)
+{
+ unsigned int flags = 0;
+
+ if (ftbm & TBM_BO_SCANOUT)
+ flags |= EXYNOS_BO_CONTIG;
+ else
+ flags |= EXYNOS_BO_NONCONTIG;
+
+ if (ftbm & TBM_BO_WC)
+ flags |= EXYNOS_BO_WC;
+ else if (ftbm & TBM_BO_NONCACHABLE)
+ flags |= EXYNOS_BO_NONCACHABLE;
+ else
+ flags |= EXYNOS_BO_CACHABLE;
+
+ return flags;
+}
+
+static unsigned int
+_get_tbm_flag_from_exynos (unsigned int fexynos)
+{
+ unsigned int flags = 0;
+
+ if (fexynos & EXYNOS_BO_NONCONTIG)
+ flags |= TBM_BO_DEFAULT;
+ else
+ flags |= TBM_BO_SCANOUT;
+
+ if (fexynos & EXYNOS_BO_WC)
+ flags |= TBM_BO_WC;
+ else if (fexynos & EXYNOS_BO_CACHABLE)
+ flags |= TBM_BO_DEFAULT;
+ else
+ flags |= TBM_BO_NONCACHABLE;
+
+ return flags;
+}
+
+static unsigned int
+_get_name (int fd, unsigned int gem)
+{
+ struct drm_gem_flink arg = {0,};
+
+ arg.handle = gem;
+ if (drmIoctl (fd, DRM_IOCTL_GEM_FLINK, &arg))
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "error %s:%d fail to get flink gem=%d\n",
+ getpid(), __FUNCTION__, __LINE__, gem);
+ return 0;
+ }
+
+ return (unsigned int)arg.name;
+}
+
+static tbm_bo_handle
+_exynos4412_bo_handle (tbm_bo_exynos4412 bo_exynos4412, int device)
+{
+ tbm_bo_handle bo_handle;
+ memset (&bo_handle, 0x0, sizeof (uint64_t));
+
+ switch(device)
+ {
+ case TBM_DEVICE_DEFAULT:
+ case TBM_DEVICE_2D:
+ bo_handle.u32 = (uint32_t)bo_exynos4412->gem;
+ break;
+ case TBM_DEVICE_CPU:
+ if (!bo_exynos4412->pBase)
+ {
+ struct drm_exynos_gem_mmap arg = {0,};
+
+ arg.handle = bo_exynos4412->gem;
+ arg.size = bo_exynos4412->size;
+ if (drmCommandWriteRead (bo_exynos4412->fd, DRM_EXYNOS_GEM_MMAP, &arg, sizeof(arg)))
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "error %s:%d Cannot usrptr gem=%d\n",
+ getpid(), __FUNCTION__, __LINE__, bo_exynos4412->gem);
+ return (tbm_bo_handle) NULL;
+ }
+ bo_exynos4412->pBase = (void*)((uint32_t)arg.mapped);
+ }
+
+ bo_handle.ptr = (void *)bo_exynos4412->pBase;
+ break;
+ case TBM_DEVICE_3D:
+#ifdef USE_DMAIMPORT
+ if (bo_exynos4412->dmabuf)
+ {
+ bo_handle.u32 = (uint32_t)bo_exynos4412->dmabuf;
+ break;
+ }
+
+ if (!bo_exynos4412->dmabuf)
+ {
+ struct drm_prime_handle arg = {0, };
+
+ arg.handle = bo_exynos4412->gem;
+ if (drmIoctl (bo_exynos4412->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg))
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "error %s:%d Cannot dmabuf=%d\n",
+ getpid(), __FUNCTION__, __LINE__, bo_exynos4412->gem);
+ return (tbm_bo_handle) NULL;
+ }
+ bo_exynos4412->dmabuf = arg.fd;
+ }
+
+ bo_handle.u32 = (uint32_t)bo_exynos4412->dmabuf;
+#endif
+ break;
+ case TBM_DEVICE_MM:
+ if (!bo_exynos4412->dmabuf)
+ {
+ struct drm_prime_handle arg = {0, };
+
+ arg.handle = bo_exynos4412->gem;
+ if (drmIoctl (bo_exynos4412->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg))
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "error %s:%d Cannot dmabuf=%d\n",
+ getpid(), __FUNCTION__, __LINE__, bo_exynos4412->gem);
+ return (tbm_bo_handle) NULL;
+ }
+ bo_exynos4412->dmabuf = arg.fd;
+ }
+
+ bo_handle.u32 = (uint32_t)bo_exynos4412->dmabuf;
+ break;
+ default:
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "error %s:%d Not supported device:%d\n",
+ getpid(), __FUNCTION__, __LINE__, device);
+ bo_handle.ptr = (void *) NULL;
+ break;
+ }
+
+ return bo_handle;
+}
+
+static int
+_exynos4412_cache_flush (int fd, tbm_bo_exynos4412 bo_exynos4412, int flags)
+{
+#ifdef ENABLE_CACHECRTL
+ struct drm_exynos_gem_cache_op cache_op = {0, };
+ int ret;
+
+ /* if bo_exynos4412 is null, do cache_flush_all */
+ if(bo_exynos4412)
+ {
+ cache_op.flags = 0;
+ cache_op.usr_addr = (uint64_t)((uint32_t)bo_exynos4412->pBase);
+ cache_op.size = bo_exynos4412->size;
+ }
+ else
+ {
+ flags = TBM_CACHE_FLUSH_ALL;
+ cache_op.flags = 0;
+ cache_op.usr_addr = 0;
+ cache_op.size = 0;
+ }
+
+ if (flags & TBM_CACHE_INV)
+ {
+ if(flags & TBM_CACHE_ALL)
+ cache_op.flags |= EXYNOS_DRM_CACHE_INV_ALL;
+ else
+ cache_op.flags |= EXYNOS_DRM_CACHE_INV_RANGE;
+ }
+
+ if (flags & TBM_CACHE_CLN)
+ {
+ if(flags & TBM_CACHE_ALL)
+ cache_op.flags |= EXYNOS_DRM_CACHE_CLN_ALL;
+ else
+ cache_op.flags |= EXYNOS_DRM_CACHE_CLN_RANGE;
+ }
+
+ if(flags & TBM_CACHE_ALL)
+ cache_op.flags |= EXYNOS_DRM_ALL_CACHES_CORES;
+
+ ret = drmCommandWriteRead (fd, DRM_EXYNOS_GEM_CACHE_OP, &cache_op, sizeof(cache_op));
+ if (ret)
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "error %s:%d fail to flush the cache.\n",
+ getpid(), __FUNCTION__, __LINE__);
+ return 0;
+ }
+#else
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "warning %s:%d fail to enable the cache flush.\n",
+ getpid(), __FUNCTION__, __LINE__);
+#endif
+ return 1;
+}
+
+static int
+tbm_exynos4412_bo_size (tbm_bo bo)
+{
+ EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+ tbm_bo_exynos4412 bo_exynos4412;
+
+ bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
+
+ return bo_exynos4412->size;
+}
+
+static void *
+tbm_exynos4412_bo_alloc (tbm_bo bo, int size, int flags)
+{
+ EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+ tbm_bo_exynos4412 bo_exynos4412;
+ tbm_bufmgr_exynos4412 bufmgr_exynos4412;
+ unsigned int exynos_flags;
+
+ bufmgr_exynos4412 = (tbm_bufmgr_exynos4412)tbm_backend_get_bufmgr_priv(bo);
+ EXYNOS4412_RETURN_VAL_IF_FAIL (bufmgr_exynos4412!=NULL, 0);
+
+ bo_exynos4412 = calloc (1, sizeof(struct _tbm_bo_exynos4412));
+ if (!bo_exynos4412)
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "error %s:%d fail to allocate the bo private\n",
+ getpid(), __FUNCTION__, __LINE__);
+ return 0;
+ }
+
+ exynos_flags = _get_exynos_flag_from_tbm (flags);
+ if((flags & TBM_BO_SCANOUT) &&
+ size <= 4*1024)
+ {
+ exynos_flags |= EXYNOS_BO_NONCONTIG;
+ }
+
+ struct drm_exynos_gem_create arg = {0, };
+ arg.size = size;
+ arg.flags = exynos_flags;
+ if (drmCommandWriteRead(bufmgr_exynos4412->fd, DRM_EXYNOS_GEM_CREATE, &arg, sizeof(arg)))
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "error %s:%d Cannot create bo(flag:%x, size:%d)\n",
+ getpid(), __FUNCTION__, __LINE__, arg.flags, (unsigned int)arg.size);
+ free (bo_exynos4412);
+ return 0;
+ }
+
+ bo_exynos4412->fd = bufmgr_exynos4412->fd;
+ bo_exynos4412->gem = arg.handle;
+ bo_exynos4412->size = size;
+ bo_exynos4412->flags_tbm = flags;
+ bo_exynos4412->flags_exynos = exynos_flags;
+ bo_exynos4412->name = _get_name (bo_exynos4412->fd, bo_exynos4412->gem);
+
+ pthread_mutex_init(&bo_exynos4412->mutex, NULL);
+
+ if (bufmgr_exynos4412->use_dma_fence
+ && !bo_exynos4412->dmabuf)
+ {
+ struct drm_prime_handle arg = {0, };
+
+ arg.handle = bo_exynos4412->gem;
+ if (drmIoctl (bo_exynos4412->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg))
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "error %s:%d Cannot dmabuf=%d\n",
+ getpid(), __FUNCTION__, __LINE__, bo_exynos4412->gem);
+ free (bo_exynos4412);
+ return 0;
+ }
+ bo_exynos4412->dmabuf = arg.fd;
+ }
+
+ /* add bo to hash */
+ PrivGem* privGem = calloc (1, sizeof(PrivGem));
+ privGem->ref_count = 1;
+ if (drmHashInsert(bufmgr_exynos4412->hashBos, bo_exynos4412->name, (void *)privGem) < 0)
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "error %s:%d Cannot insert bo to Hash(%d)\n",
+ getpid(), __FUNCTION__, __LINE__, bo_exynos4412->name);
+ }
+
+ DBG ("[libtbm-exynos4412:%d] %s size:%d, gem:%d(%d), flags:%d(%d)\n", getpid(),
+ __FUNCTION__, bo_exynos4412->size,
+ bo_exynos4412->gem, bo_exynos4412->name,
+ flags, exynos_flags);
+
+ return (void *)bo_exynos4412;
+}
+
+static void
+tbm_exynos4412_bo_free(tbm_bo bo)
+{
+ tbm_bo_exynos4412 bo_exynos4412;
+ tbm_bufmgr_exynos4412 bufmgr_exynos4412;
+
+ if (!bo)
+ return;
+
+ bufmgr_exynos4412 = (tbm_bufmgr_exynos4412)tbm_backend_get_bufmgr_priv(bo);
+ EXYNOS4412_RETURN_IF_FAIL (bufmgr_exynos4412!=NULL);
+
+ bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
+ EXYNOS4412_RETURN_IF_FAIL (bo_exynos4412!=NULL);
+
+ DBG ("[libtbm-exynos4412:%d] %s size:%d, gem:%d(%d)\n",
+ getpid(), __FUNCTION__, bo_exynos4412->size, bo_exynos4412->gem, bo_exynos4412->name);
+
+ if (bo_exynos4412->pBase)
+ {
+ if (munmap(bo_exynos4412->pBase, bo_exynos4412->size) == -1)
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "error %s:%d\n",
+ getpid(), __FUNCTION__, __LINE__);
+ }
+ }
+
+ /* close dmabuf */
+ if (bo_exynos4412->dmabuf)
+ {
+ close (bo_exynos4412->dmabuf);
+ bo_exynos4412->dmabuf = 0;
+ }
+
+ /* delete bo from hash */
+ PrivGem *privGem = NULL;
+ int ret;
+
+ ret = drmHashLookup (bufmgr_exynos4412->hashBos, bo_exynos4412->name, (void**)&privGem);
+ if (ret == 0)
+ {
+ privGem->ref_count--;
+ if (privGem->ref_count == 0)
+ {
+ drmHashDelete (bufmgr_exynos4412->hashBos, bo_exynos4412->name);
+ free (privGem);
+ privGem = NULL;
+ }
+ }
+ else
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "warning %s:%d Cannot find bo to Hash(%d), ret=%d\n",
+ getpid(), __FUNCTION__, __LINE__, bo_exynos4412->name, ret);
+ }
+
+ /* Free gem handle */
+ struct drm_gem_close arg = {0, };
+ memset (&arg, 0, sizeof(arg));
+ arg.handle = bo_exynos4412->gem;
+ if (drmIoctl (bo_exynos4412->fd, DRM_IOCTL_GEM_CLOSE, &arg))
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "error %s:%d\n",
+ getpid(), __FUNCTION__, __LINE__);
+ }
+
+ free (bo_exynos4412);
+}
+
+
+static void *
+tbm_exynos4412_bo_import (tbm_bo bo, unsigned int key)
+{
+ EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+ tbm_bufmgr_exynos4412 bufmgr_exynos4412;
+ tbm_bo_exynos4412 bo_exynos4412;
+
+ bufmgr_exynos4412 = (tbm_bufmgr_exynos4412)tbm_backend_get_bufmgr_priv(bo);
+ EXYNOS4412_RETURN_VAL_IF_FAIL (bufmgr_exynos4412!=NULL, 0);
+
+ struct drm_gem_open arg = {0, };
+ struct drm_exynos_gem_info info = {0, };
+
+ arg.name = key;
+ if (drmIoctl(bufmgr_exynos4412->fd, DRM_IOCTL_GEM_OPEN, &arg))
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "error %s:%d Cannot open gem name=%d\n",
+ getpid(), __FUNCTION__, __LINE__, key);
+ return 0;
+ }
+
+ info.handle = arg.handle;
+ if (drmCommandWriteRead(bufmgr_exynos4412->fd,
+ DRM_EXYNOS_GEM_GET,
+ &info,
+ sizeof(struct drm_exynos_gem_info)))
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "error %s:%d Cannot get gem info=%d\n",
+ getpid(), __FUNCTION__, __LINE__, key);
+ return 0;
+ }
+
+ bo_exynos4412 = calloc (1, sizeof(struct _tbm_bo_exynos4412));
+ if (!bo_exynos4412)
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "error %s:%d fail to allocate the bo private\n",
+ getpid(), __FUNCTION__, __LINE__);
+ return 0;
+ }
+
+ bo_exynos4412->fd = bufmgr_exynos4412->fd;
+ bo_exynos4412->gem = arg.handle;
+ bo_exynos4412->size = arg.size;
+ bo_exynos4412->flags_exynos = info.flags;
+ bo_exynos4412->name = key;
+ bo_exynos4412->flags_tbm = _get_tbm_flag_from_exynos (bo_exynos4412->flags_exynos);
+
+ if (!bo_exynos4412->dmabuf)
+ {
+ struct drm_prime_handle arg = {0, };
+
+ arg.handle = bo_exynos4412->gem;
+ if (drmIoctl (bo_exynos4412->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg))
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "error %s:%d Cannot dmabuf=%d\n",
+ getpid(), __FUNCTION__, __LINE__, bo_exynos4412->gem);
+ free (bo_exynos4412);
+ return 0;
+ }
+ bo_exynos4412->dmabuf = arg.fd;
+ }
+
+ /* add bo to hash */
+ PrivGem *privGem = NULL;
+ int ret;
+
+ ret = drmHashLookup (bufmgr_exynos4412->hashBos, bo_exynos4412->name, (void**)&privGem);
+ if (ret == 0)
+ {
+ privGem->ref_count++;
+ }
+ else if (ret == 1)
+ {
+ privGem = calloc (1, sizeof(PrivGem));
+ privGem->ref_count = 1;
+ if (drmHashInsert (bufmgr_exynos4412->hashBos, bo_exynos4412->name, (void *)privGem) < 0)
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "error %s:%d Cannot insert bo to Hash(%d)\n",
+ getpid(), __FUNCTION__, __LINE__, bo_exynos4412->name);
+ }
+ }
+ else
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "error %s:%d Cannot insert bo to Hash(%d)\n",
+ getpid(), __FUNCTION__, __LINE__, bo_exynos4412->name);
+ }
+
+ DBG ("[libtbm-exynos4412:%d] %s size:%d, gem:%d(%d), flags:%d(%d)\n", getpid(),
+ __FUNCTION__, bo_exynos4412->size,
+ bo_exynos4412->gem, bo_exynos4412->name,
+ bo_exynos4412->flags_tbm, bo_exynos4412->flags_exynos);
+
+ return (void *)bo_exynos4412;
+}
+
+static unsigned int
+tbm_exynos4412_bo_export (tbm_bo bo)
+{
+ EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+ tbm_bo_exynos4412 bo_exynos4412;
+
+ bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
+ EXYNOS4412_RETURN_VAL_IF_FAIL (bo_exynos4412!=NULL, 0);
+
+ if (!bo_exynos4412->name)
+ {
+ bo_exynos4412->name = _get_name(bo_exynos4412->fd, bo_exynos4412->gem);
+ if (!bo_exynos4412->name)
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "error %s:%d Cannot get name\n",
+ getpid(), __FUNCTION__, __LINE__);
+ return 0;
+ }
+ }
+
+ DBG ("[libtbm-exynos4412:%d] %s size:%d, gem:%d(%d), flags:%d(%d)\n", getpid(),
+ __FUNCTION__, bo_exynos4412->size,
+ bo_exynos4412->gem, bo_exynos4412->name,
+ bo_exynos4412->flags_tbm, bo_exynos4412->flags_exynos);
+
+ return (unsigned int)bo_exynos4412->name;
+}
+
+static tbm_bo_handle
+tbm_exynos4412_bo_get_handle (tbm_bo bo, int device)
+{
+ EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, (tbm_bo_handle) NULL);
+
+ tbm_bo_handle bo_handle;
+ tbm_bo_exynos4412 bo_exynos4412;
+
+ bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
+ EXYNOS4412_RETURN_VAL_IF_FAIL (bo_exynos4412!=NULL, (tbm_bo_handle) NULL);
+
+ if (!bo_exynos4412->gem)
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "error %s:%d Cannot map gem=%d\n",
+ getpid(), __FUNCTION__, __LINE__, bo_exynos4412->gem);
+ return (tbm_bo_handle) NULL;
+ }
+
+ DBG ("[libtbm-exynos4412:%d] %s gem:%d(%d), %s\n", getpid(),
+ __FUNCTION__, bo_exynos4412->gem, bo_exynos4412->name, STR_DEVICE[device]);
+
+ /*Get mapped bo_handle*/
+ bo_handle = _exynos4412_bo_handle (bo_exynos4412, device);
+ if (bo_handle.ptr == NULL)
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "error %s:%d Cannot get handle: gem:%d, device:%d\n",
+ getpid(), __FUNCTION__, __LINE__, bo_exynos4412->gem, device);
+ return (tbm_bo_handle) NULL;
+ }
+
+ return bo_handle;
+}
+
+static tbm_bo_handle
+tbm_exynos4412_bo_map (tbm_bo bo, int device, int opt)
+{
+ EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, (tbm_bo_handle) NULL);
+
+ tbm_bo_handle bo_handle;
+ tbm_bo_exynos4412 bo_exynos4412;
+
+ bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
+ EXYNOS4412_RETURN_VAL_IF_FAIL (bo_exynos4412!=NULL, (tbm_bo_handle) NULL);
+
+ if (!bo_exynos4412->gem)
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "error %s:%d Cannot map gem=%d\n",
+ getpid(), __FUNCTION__, __LINE__, bo_exynos4412->gem);
+ return (tbm_bo_handle) NULL;
+ }
+
+ DBG ("[libtbm-exynos4412:%d] %s gem:%d(%d), %s, %s\n", getpid(),
+ __FUNCTION__, bo_exynos4412->gem, bo_exynos4412->name, STR_DEVICE[device], STR_OPT[opt]);
+
+ /*Get mapped bo_handle*/
+ bo_handle = _exynos4412_bo_handle (bo_exynos4412, device);
+ if (bo_handle.ptr == NULL)
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "error %s:%d Cannot get handle: gem:%d, device:%d, opt:%d\n",
+ getpid(), __FUNCTION__, __LINE__, bo_exynos4412->gem, device, opt);
+ return (tbm_bo_handle) NULL;
+ }
+
+ return bo_handle;
+}
+
+static int
+tbm_exynos4412_bo_unmap (tbm_bo bo)
+{
+ EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+ tbm_bo_exynos4412 bo_exynos4412;
+
+ bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
+ EXYNOS4412_RETURN_VAL_IF_FAIL (bo_exynos4412!=NULL, 0);
+
+ if (!bo_exynos4412->gem)
+ return 0;
+
+ DBG ("[libtbm-exynos4412:%d] %s gem:%d(%d) \n", getpid(),
+ __FUNCTION__, bo_exynos4412->gem, bo_exynos4412->name);
+
+ return 1;
+}
+
+static int
+tbm_exynos4412_bo_cache_flush (tbm_bo bo, int flags)
+{
+ tbm_bufmgr_exynos4412 bufmgr_exynos4412 = (tbm_bufmgr_exynos4412)tbm_backend_get_bufmgr_priv(bo);
+ EXYNOS4412_RETURN_VAL_IF_FAIL (bufmgr_exynos4412!=NULL, 0);
+
+ /* cache flush is managed by kernel side when using dma-fence. */
+ if (bufmgr_exynos4412->use_dma_fence)
+ return 1;
+
+ EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+ tbm_bo_exynos4412 bo_exynos4412;
+
+ bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
+ EXYNOS4412_RETURN_VAL_IF_FAIL (bo_exynos4412!=NULL, 0);
+
+ if (!_exynos4412_cache_flush(bo_exynos4412->fd, bo_exynos4412, flags))
+ return 0;
+
+ return 1;
+}
+
+static int
+tbm_exynos4412_bo_get_global_key (tbm_bo bo)
+{
+ EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+ tbm_bo_exynos4412 bo_exynos4412;
+
+ bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
+ EXYNOS4412_RETURN_VAL_IF_FAIL (bo_exynos4412!=NULL, 0);
+
+ if (!bo_exynos4412->name)
+ {
+ if (!bo_exynos4412->gem)
+ return 0;
+
+ bo_exynos4412->name = _get_name(bo_exynos4412->fd, bo_exynos4412->gem);
+ }
+
+ return bo_exynos4412->name;
+}
+
+static int
+tbm_exynos4412_bo_lock(tbm_bo bo, int device, int opt)
+{
+ EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+ tbm_bufmgr_exynos4412 bufmgr_exynos4412;
+ tbm_bo_exynos4412 bo_exynos4412;
+ struct dma_buf_fence fence;
+ struct flock filelock;
+ int ret=0;
+
+ if (device != TBM_DEVICE_3D && device != TBM_DEVICE_CPU)
+ {
+ DBG ("[libtbm-exynos4412:%d] %s not support device type,\n", getpid(), __FUNCTION__);
+ return 0;
+ }
+
+ bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
+ EXYNOS4412_RETURN_VAL_IF_FAIL (bo_exynos4412!=NULL, 0);
+
+ bufmgr_exynos4412 = (tbm_bufmgr_exynos4412)tbm_backend_get_bufmgr_priv(bo);
+ EXYNOS4412_RETURN_VAL_IF_FAIL (bufmgr_exynos4412!=NULL, 0);
+
+ memset(&fence, 0, sizeof(struct dma_buf_fence));
+
+ /* Check if the given type is valid or not. */
+ if (opt & TBM_OPTION_WRITE)
+ {
+ if (device == TBM_DEVICE_3D)
+ fence.type = DMA_BUF_ACCESS_WRITE | DMA_BUF_ACCESS_DMA;
+ }
+ else if (opt & TBM_OPTION_READ)
+ {
+ if (device == TBM_DEVICE_3D)
+ fence.type = DMA_BUF_ACCESS_READ | DMA_BUF_ACCESS_DMA;
+ }
+ else
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] error %s:%d Invalid argument\n", getpid(), __FUNCTION__, __LINE__);
+ return 0;
+ }
+
+ /* Check if the tbm manager supports dma fence or not. */
+ if (!bufmgr_exynos4412->use_dma_fence)
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "error %s:%d Not support DMA FENCE(%s)\n",
+ getpid(), __FUNCTION__, __LINE__, strerror(errno) );
+ return 0;
+
+ }
+
+ if (device == TBM_DEVICE_3D)
+ {
+ ret = ioctl(bo_exynos4412->dmabuf, DMABUF_IOCTL_GET_FENCE, &fence);
+ if (ret < 0)
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "error %s:%d Can not set GET FENCE(%s)\n",
+ getpid(), __FUNCTION__, __LINE__, strerror(errno) );
+ return 0;
+ }
+ } else
+ {
+ if (opt & TBM_OPTION_WRITE)
+ filelock.l_type = F_WRLCK;
+ else
+ filelock.l_type = F_RDLCK;
+
+ filelock.l_whence = SEEK_CUR;
+ filelock.l_start = 0;
+ filelock.l_len = 0;
+
+ if (-1 == fcntl(bo_exynos4412->dmabuf, F_SETLKW, &filelock))
+ {
+ return 0;
+ }
+ }
+
+ pthread_mutex_lock(&bo_exynos4412->mutex);
+
+ if (device == TBM_DEVICE_3D)
+ {
+ int i;
+ for (i = 0; i < DMA_FENCE_LIST_MAX; i++)
+ {
+ if (bo_exynos4412->dma_fence[i].ctx == 0)
+ {
+ bo_exynos4412->dma_fence[i].type = fence.type;
+ bo_exynos4412->dma_fence[i].ctx = fence.ctx;
+ break;
+ }
+ }
+
+ if (i == DMA_FENCE_LIST_MAX)
+ {
+ //TODO: if dma_fence list is full, it needs realloc. I will fix this. by minseok3.kim
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "error %s:%d fence list is full\n",
+ getpid(), __FUNCTION__, __LINE__);
+ }
+ }
+
+ pthread_mutex_unlock(&bo_exynos4412->mutex);
+
+ DBG ("[libtbm-exynos4412:%d] %s DMABUF_IOCTL_GET_FENCE! flink_id=%d dmabuf=%d\n", getpid(),
+ __FUNCTION__, bo_exynos4412->name, bo_exynos4412->dmabuf);
+
+ return 1;
+}
+
+static int
+tbm_exynos4412_bo_unlock(tbm_bo bo)
+{
+ EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+ tbm_bo_exynos4412 bo_exynos4412;
+ struct dma_buf_fence fence;
+ struct flock filelock;
+ unsigned int dma_type = 0;
+ int ret=0;
+
+ bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
+ EXYNOS4412_RETURN_VAL_IF_FAIL (bo_exynos4412!=NULL, 0);
+
+ if (bo_exynos4412->dma_fence[0].type & DMA_BUF_ACCESS_DMA)
+ dma_type = 1;
+
+ if (!bo_exynos4412->dma_fence[0].ctx && dma_type)
+ {
+ DBG ("[libtbm-exynos4412:%d] %s FENCE not support or ignored,\n", getpid(), __FUNCTION__);
+ return 0;
+ }
+
+ if (!bo_exynos4412->dma_fence[0].ctx && dma_type)
+ {
+ DBG ("[libtbm-exynos4412:%d] %s device type is not 3D/CPU,\n", getpid(), __FUNCTION__);
+ return 0;
+ }
+
+ pthread_mutex_lock(&bo_exynos4412->mutex);
+
+ if (dma_type)
+ {
+ fence.type = bo_exynos4412->dma_fence[0].type;
+ fence.ctx = bo_exynos4412->dma_fence[0].ctx;
+ int i;
+ for (i = 1; i < DMA_FENCE_LIST_MAX; i++)
+ {
+ bo_exynos4412->dma_fence[i-1].type = bo_exynos4412->dma_fence[i].type;
+ bo_exynos4412->dma_fence[i-1].ctx = bo_exynos4412->dma_fence[i].ctx;
+ }
+ bo_exynos4412->dma_fence[DMA_FENCE_LIST_MAX-1].type = 0;
+ bo_exynos4412->dma_fence[DMA_FENCE_LIST_MAX-1].ctx = 0;
+ }
+ pthread_mutex_unlock(&bo_exynos4412->mutex);
+
+ if (dma_type)
+ {
+ ret = ioctl(bo_exynos4412->dmabuf, DMABUF_IOCTL_PUT_FENCE, &fence);
+ if (ret < 0)
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "error %s:%d Can not set PUT FENCE(%s)\n",
+ getpid(), __FUNCTION__, __LINE__, strerror(errno) );
+ return 0;
+ }
+ } else
+ {
+ filelock.l_type = F_UNLCK;
+ filelock.l_whence = SEEK_CUR;
+ filelock.l_start = 0;
+ filelock.l_len = 0;
+
+ if (-1 == fcntl(bo_exynos4412->dmabuf, F_SETLKW, &filelock))
+ {
+ return 0;
+ }
+ }
+
+ DBG ("[libtbm-exynos4412:%d] %s DMABUF_IOCTL_PUT_FENCE! flink_id=%d dmabuf=%d\n", getpid(),
+ __FUNCTION__, bo_exynos4412->name, bo_exynos4412->dmabuf);
+
+ return 1;
+}
+
+static void
+tbm_exynos4412_bufmgr_deinit (void *priv)
+{
+ EXYNOS4412_RETURN_IF_FAIL (priv!=NULL);
+
+ tbm_bufmgr_exynos4412 bufmgr_exynos4412;
+
+ bufmgr_exynos4412 = (tbm_bufmgr_exynos4412)priv;
+
+ if (bufmgr_exynos4412->hashBos)
+ {
+ unsigned long key;
+ void *value;
+
+ while (drmHashFirst(bufmgr_exynos4412->hashBos, &key, &value) > 0)
+ {
+ free (value);
+ drmHashDelete (bufmgr_exynos4412->hashBos, key);
+ }
+
+ drmHashDestroy (bufmgr_exynos4412->hashBos);
+ bufmgr_exynos4412->hashBos = NULL;
+ }
+
+ free (bufmgr_exynos4412);
+}
+
+MODULEINITPPROTO (init_tbm_bufmgr_priv);
+
+static TBMModuleVersionInfo Exynos4412VersRec =
+{
+ "exynos4412",
+ "Samsung",
+ TBM_ABI_VERSION,
+};
+
+TBMModuleData tbmModuleData = { &Exynos4412VersRec, init_tbm_bufmgr_priv};
+
+int
+init_tbm_bufmgr_priv (tbm_bufmgr bufmgr, int fd)
+{
+ tbm_bufmgr_exynos4412 bufmgr_exynos4412;
+ tbm_bufmgr_backend bufmgr_backend;
+
+ if (!bufmgr)
+ return 0;
+
+ bufmgr_exynos4412 = calloc (1, sizeof(struct _tbm_bufmgr_exynos4412));
+ if (!bufmgr_exynos4412)
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] error: Fail to alloc bufmgr_exynos4412!\n", getpid());
+ return 0;
+ }
+
+ bufmgr_exynos4412->fd = fd;
+ if (bufmgr_exynos4412->fd < 0)
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] error: Fail to create drm!\n", getpid());
+ free (bufmgr_exynos4412);
+ return 0;
+ }
+
+ //Create Hash Table
+ bufmgr_exynos4412->hashBos = drmHashCreate ();
+
+ //Check if the tbm manager supports dma fence or not.
+ int fp = open("/sys/module/dmabuf_sync/parameters/enabled", O_RDONLY);
+ int length;
+ char buf[1];
+ if (fp != -1)
+ {
+ length = read(fp, buf, 1);
+
+ if (length == 1 && buf[0] == '1')
+ bufmgr_exynos4412->use_dma_fence = 1;
+
+ close(fp);
+ }
+
+ bufmgr_backend = tbm_backend_alloc();
+ if (!bufmgr_backend)
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] error: Fail to create drm!\n", getpid());
+ free (bufmgr_exynos4412);
+ return 0;
+ }
+
+ bufmgr_backend->priv = (void *)bufmgr_exynos4412;
+ bufmgr_backend->bufmgr_deinit = tbm_exynos4412_bufmgr_deinit,
+ bufmgr_backend->bo_size = tbm_exynos4412_bo_size,
+ bufmgr_backend->bo_alloc = tbm_exynos4412_bo_alloc,
+ bufmgr_backend->bo_free = tbm_exynos4412_bo_free,
+ bufmgr_backend->bo_import = tbm_exynos4412_bo_import,
+ bufmgr_backend->bo_export = tbm_exynos4412_bo_export,
+ bufmgr_backend->bo_get_handle = tbm_exynos4412_bo_get_handle,
+ bufmgr_backend->bo_map = tbm_exynos4412_bo_map,
+ bufmgr_backend->bo_unmap = tbm_exynos4412_bo_unmap,
+ bufmgr_backend->bo_cache_flush = tbm_exynos4412_bo_cache_flush,
+ bufmgr_backend->bo_get_global_key = tbm_exynos4412_bo_get_global_key;
+
+ if (bufmgr_exynos4412->use_dma_fence)
+ {
+ bufmgr_backend->flags = (TBM_LOCK_CTRL_BACKEND | TBM_CACHE_CTRL_BACKEND);
+ bufmgr_backend->bo_lock = NULL;
+ bufmgr_backend->bo_lock2 = tbm_exynos4412_bo_lock;
+ bufmgr_backend->bo_unlock = tbm_exynos4412_bo_unlock;
+ }
+ else
+ {
+ bufmgr_backend->flags = 0;
+ bufmgr_backend->bo_lock = NULL;
+ bufmgr_backend->bo_unlock = NULL;
+ }
+
+ if (!tbm_backend_init (bufmgr, bufmgr_backend))
+ {
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] error: Fail to init backend!\n", getpid());
+ tbm_backend_free (bufmgr_backend);
+ free (bufmgr_exynos4412);
+ return 0;
+ }
+
+#ifdef DEBUG
+ {
+ char* env;
+ env = getenv ("TBM_EXYNOS4412_DEBUG");
+ if (env)
+ {
+ bDebug = atoi (env);
+ TBM_EXYNOS4412_LOG ("TBM_EXYNOS4412_DEBUG=%s\n", env);
+ }
+ else
+ {
+ bDebug = 0;
+ }
+ }
+#endif
+
+ DBG ("[libtbm-exynos4412:%d] %s DMABUF FENCE is %s\n", getpid(),
+ __FUNCTION__, bufmgr_exynos4412->use_dma_fence ? "supported!" : "NOT supported!");
+
+ DBG ("[libtbm-exynos4412:%d] %s fd:%d\n", getpid(),
+ __FUNCTION__, bufmgr_exynos4412->fd);
+
+ return 1;
+}
+
+
projects / platform / adaptation / samsung_exynos / libtbm-exynos.git / commitdiff