static void drm_tegra_bo_free(struct drm_tegra_bo *bo)
{
- struct drm_tegra *drm = bo->drm;
+ struct drm_tegra *drm = bo->drm;
- if (bo->map)
- munmap(bo->map, bo->size);
+ if (bo->map)
+ munmap(bo->map, bo->size);
- drmCloseBufferHandle(drm->fd, bo->handle);
+ drmCloseBufferHandle(drm->fd, bo->handle);
- free(bo);
+ free(bo);
}
static int drm_tegra_wrap(struct drm_tegra **drmp, int fd, bool close)
{
- struct drm_tegra *drm;
+ struct drm_tegra *drm;
- if (fd < 0 || !drmp)
- return -EINVAL;
+ if (fd < 0 || !drmp)
+ return -EINVAL;
- drm = calloc(1, sizeof(*drm));
- if (!drm)
- return -ENOMEM;
+ drm = calloc(1, sizeof(*drm));
+ if (!drm)
+ return -ENOMEM;
- drm->close = close;
- drm->fd = fd;
+ drm->close = close;
+ drm->fd = fd;
- *drmp = drm;
+ *drmp = drm;
- return 0;
+ return 0;
}
drm_public int drm_tegra_new(struct drm_tegra **drmp, int fd)
{
- bool supported = false;
- drmVersionPtr version;
+ bool supported = false;
+ drmVersionPtr version;
- version = drmGetVersion(fd);
- if (!version)
- return -ENOMEM;
+ version = drmGetVersion(fd);
+ if (!version)
+ return -ENOMEM;
- if (!strncmp(version->name, "tegra", version->name_len))
- supported = true;
+ if (!strncmp(version->name, "tegra", version->name_len))
+ supported = true;
- drmFreeVersion(version);
+ drmFreeVersion(version);
- if (!supported)
- return -ENOTSUP;
+ if (!supported)
+ return -ENOTSUP;
- return drm_tegra_wrap(drmp, fd, false);
+ return drm_tegra_wrap(drmp, fd, false);
}
drm_public void drm_tegra_close(struct drm_tegra *drm)
{
- if (!drm)
- return;
+ if (!drm)
+ return;
- if (drm->close)
- close(drm->fd);
+ if (drm->close)
+ close(drm->fd);
- free(drm);
+ free(drm);
}
-drm_public int drm_tegra_bo_new(struct drm_tegra_bo **bop, struct drm_tegra *drm,
- uint32_t flags, uint32_t size)
+drm_public int
+drm_tegra_bo_new(struct drm_tegra_bo **bop, struct drm_tegra *drm,
+ uint32_t flags, uint32_t size)
{
- struct drm_tegra_gem_create args;
- struct drm_tegra_bo *bo;
- int err;
+ struct drm_tegra_gem_create args;
+ struct drm_tegra_bo *bo;
+ int err;
- if (!drm || size == 0 || !bop)
- return -EINVAL;
+ if (!drm || size == 0 || !bop)
+ return -EINVAL;
- bo = calloc(1, sizeof(*bo));
- if (!bo)
- return -ENOMEM;
+ bo = calloc(1, sizeof(*bo));
+ if (!bo)
+ return -ENOMEM;
- atomic_set(&bo->ref, 1);
- bo->flags = flags;
- bo->size = size;
- bo->drm = drm;
+ atomic_set(&bo->ref, 1);
+ bo->flags = flags;
+ bo->size = size;
+ bo->drm = drm;
- memset(&args, 0, sizeof(args));
- args.flags = flags;
- args.size = size;
+ memset(&args, 0, sizeof(args));
+ args.flags = flags;
+ args.size = size;
- err = drmCommandWriteRead(drm->fd, DRM_TEGRA_GEM_CREATE, &args,
- sizeof(args));
- if (err < 0) {
- err = -errno;
- free(bo);
- return err;
- }
+ err = drmCommandWriteRead(drm->fd, DRM_TEGRA_GEM_CREATE, &args,
+ sizeof(args));
+ if (err < 0) {
+ err = -errno;
+ free(bo);
+ return err;
+ }
- bo->handle = args.handle;
+ bo->handle = args.handle;
- *bop = bo;
+ *bop = bo;
- return 0;
+ return 0;
}
-drm_public int drm_tegra_bo_wrap(struct drm_tegra_bo **bop, struct drm_tegra *drm,
- uint32_t handle, uint32_t flags, uint32_t size)
+drm_public int
+drm_tegra_bo_wrap(struct drm_tegra_bo **bop, struct drm_tegra *drm,
+ uint32_t handle, uint32_t flags, uint32_t size)
{
- struct drm_tegra_bo *bo;
+ struct drm_tegra_bo *bo;
- if (!drm || !bop)
- return -EINVAL;
+ if (!drm || !bop)
+ return -EINVAL;
- bo = calloc(1, sizeof(*bo));
- if (!bo)
- return -ENOMEM;
+ bo = calloc(1, sizeof(*bo));
+ if (!bo)
+ return -ENOMEM;
- atomic_set(&bo->ref, 1);
- bo->handle = handle;
- bo->flags = flags;
- bo->size = size;
- bo->drm = drm;
+ atomic_set(&bo->ref, 1);
+ bo->handle = handle;
+ bo->flags = flags;
+ bo->size = size;
+ bo->drm = drm;
- *bop = bo;
+ *bop = bo;
- return 0;
+ return 0;
}
drm_public struct drm_tegra_bo *drm_tegra_bo_ref(struct drm_tegra_bo *bo)
{
- if (bo)
- atomic_inc(&bo->ref);
+ if (bo)
+ atomic_inc(&bo->ref);
- return bo;
+ return bo;
}
drm_public void drm_tegra_bo_unref(struct drm_tegra_bo *bo)
{
- if (bo && atomic_dec_and_test(&bo->ref))
- drm_tegra_bo_free(bo);
+ if (bo && atomic_dec_and_test(&bo->ref))
+ drm_tegra_bo_free(bo);
}
drm_public int drm_tegra_bo_get_handle(struct drm_tegra_bo *bo, uint32_t *handle)
{
- if (!bo || !handle)
- return -EINVAL;
+ if (!bo || !handle)
+ return -EINVAL;
- *handle = bo->handle;
+ *handle = bo->handle;
- return 0;
+ return 0;
}
drm_public int drm_tegra_bo_map(struct drm_tegra_bo *bo, void **ptr)
{
- struct drm_tegra *drm = bo->drm;
+ struct drm_tegra *drm = bo->drm;
- if (!bo->map) {
- struct drm_tegra_gem_mmap args;
- int err;
+ if (!bo->map) {
+ struct drm_tegra_gem_mmap args;
+ int err;
- memset(&args, 0, sizeof(args));
- args.handle = bo->handle;
+ memset(&args, 0, sizeof(args));
+ args.handle = bo->handle;
- err = drmCommandWriteRead(drm->fd, DRM_TEGRA_GEM_MMAP, &args,
- sizeof(args));
- if (err < 0)
- return -errno;
+ err = drmCommandWriteRead(drm->fd, DRM_TEGRA_GEM_MMAP, &args,
+ sizeof(args));
+ if (err < 0)
+ return -errno;
- bo->offset = args.offset;
+ bo->offset = args.offset;
- bo->map = mmap(0, bo->size, PROT_READ | PROT_WRITE, MAP_SHARED,
- drm->fd, bo->offset);
- if (bo->map == MAP_FAILED) {
- bo->map = NULL;
- return -errno;
- }
- }
+ bo->map = mmap(0, bo->size, PROT_READ | PROT_WRITE, MAP_SHARED,
+ drm->fd, bo->offset);
+ if (bo->map == MAP_FAILED) {
+ bo->map = NULL;
+ return -errno;
+ }
+ }
- if (ptr)
- *ptr = bo->map;
+ if (ptr)
+ *ptr = bo->map;
- return 0;
+ return 0;
}
drm_public int drm_tegra_bo_unmap(struct drm_tegra_bo *bo)
{
- if (!bo)
- return -EINVAL;
+ if (!bo)
+ return -EINVAL;
- if (!bo->map)
- return 0;
+ if (!bo->map)
+ return 0;
- if (munmap(bo->map, bo->size))
- return -errno;
+ if (munmap(bo->map, bo->size))
+ return -errno;
- bo->map = NULL;
+ bo->map = NULL;
- return 0;
+ return 0;
}
drm_public int drm_tegra_bo_get_flags(struct drm_tegra_bo *bo, uint32_t *flags)
{
- struct drm_tegra_gem_get_flags args;
- struct drm_tegra *drm = bo->drm;
- int err;
+ struct drm_tegra_gem_get_flags args;
+ struct drm_tegra *drm = bo->drm;
+ int err;
- if (!bo)
- return -EINVAL;
+ if (!bo)
+ return -EINVAL;
- memset(&args, 0, sizeof(args));
- args.handle = bo->handle;
+ memset(&args, 0, sizeof(args));
+ args.handle = bo->handle;
- err = drmCommandWriteRead(drm->fd, DRM_TEGRA_GEM_GET_FLAGS, &args,
- sizeof(args));
- if (err < 0)
- return -errno;
+ err = drmCommandWriteRead(drm->fd, DRM_TEGRA_GEM_GET_FLAGS, &args,
+ sizeof(args));
+ if (err < 0)
+ return -errno;
- if (flags)
- *flags = args.flags;
+ if (flags)
+ *flags = args.flags;
- return 0;
+ return 0;
}
drm_public int drm_tegra_bo_set_flags(struct drm_tegra_bo *bo, uint32_t flags)
{
- struct drm_tegra_gem_get_flags args;
- struct drm_tegra *drm = bo->drm;
- int err;
+ struct drm_tegra_gem_get_flags args;
+ struct drm_tegra *drm = bo->drm;
+ int err;
- if (!bo)
- return -EINVAL;
+ if (!bo)
+ return -EINVAL;
- memset(&args, 0, sizeof(args));
- args.handle = bo->handle;
- args.flags = flags;
+ memset(&args, 0, sizeof(args));
+ args.handle = bo->handle;
+ args.flags = flags;
- err = drmCommandWriteRead(drm->fd, DRM_TEGRA_GEM_SET_FLAGS, &args,
- sizeof(args));
- if (err < 0)
- return -errno;
+ err = drmCommandWriteRead(drm->fd, DRM_TEGRA_GEM_SET_FLAGS, &args,
+ sizeof(args));
+ if (err < 0)
+ return -errno;
- return 0;
+ return 0;
}
-drm_public int drm_tegra_bo_get_tiling(struct drm_tegra_bo *bo,
- struct drm_tegra_bo_tiling *tiling)
+drm_public int
+drm_tegra_bo_get_tiling(struct drm_tegra_bo *bo,
+ struct drm_tegra_bo_tiling *tiling)
{
- struct drm_tegra_gem_get_tiling args;
- struct drm_tegra *drm = bo->drm;
- int err;
+ struct drm_tegra_gem_get_tiling args;
+ struct drm_tegra *drm = bo->drm;
+ int err;
- if (!bo)
- return -EINVAL;
+ if (!bo)
+ return -EINVAL;
- memset(&args, 0, sizeof(args));
- args.handle = bo->handle;
+ memset(&args, 0, sizeof(args));
+ args.handle = bo->handle;
- err = drmCommandWriteRead(drm->fd, DRM_TEGRA_GEM_GET_TILING, &args,
- sizeof(args));
- if (err < 0)
- return -errno;
+ err = drmCommandWriteRead(drm->fd, DRM_TEGRA_GEM_GET_TILING, &args,
+ sizeof(args));
+ if (err < 0)
+ return -errno;
- if (tiling) {
- tiling->mode = args.mode;
- tiling->value = args.value;
- }
+ if (tiling) {
+ tiling->mode = args.mode;
+ tiling->value = args.value;
+ }
- return 0;
+ return 0;
}
-drm_public int drm_tegra_bo_set_tiling(struct drm_tegra_bo *bo,
- const struct drm_tegra_bo_tiling *tiling)
+drm_public int
+drm_tegra_bo_set_tiling(struct drm_tegra_bo *bo,
+ const struct drm_tegra_bo_tiling *tiling)
{
- struct drm_tegra_gem_set_tiling args;
- struct drm_tegra *drm = bo->drm;
- int err;
+ struct drm_tegra_gem_set_tiling args;
+ struct drm_tegra *drm = bo->drm;
+ int err;
- if (!bo)
- return -EINVAL;
+ if (!bo)
+ return -EINVAL;
- memset(&args, 0, sizeof(args));
- args.handle = bo->handle;
- args.mode = tiling->mode;
- args.value = tiling->value;
+ memset(&args, 0, sizeof(args));
+ args.handle = bo->handle;
+ args.mode = tiling->mode;
+ args.value = tiling->value;
- err = drmCommandWriteRead(drm->fd, DRM_TEGRA_GEM_SET_TILING, &args,
- sizeof(args));
- if (err < 0)
- return -errno;
+ err = drmCommandWriteRead(drm->fd, DRM_TEGRA_GEM_SET_TILING, &args,
+ sizeof(args));
+ if (err < 0)
+ return -errno;
- return 0;
+ return 0;
}