X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=mediatek.c;h=cdfc9ab73ae26d436cfbe8b4be7cb9452cb82ef3;hb=041cb9f1a760c85318a27622118526dd5bffd019;hp=b623f6f176583c14d989e4b1b5ea4cfa3b0ba4e8;hpb=ef920536083c3e6959daa6a98db01b0f653c1c83;p=android-x86%2Fexternal-minigbm.git diff --git a/mediatek.c b/mediatek.c index b623f6f..cdfc9ab 100644 --- a/mediatek.c +++ b/mediatek.c @@ -6,73 +6,298 @@ #ifdef DRV_MEDIATEK +// clang-format off +#include +#include +#include +#include #include #include #include +#include #include #include +// clang-format on #include "drv_priv.h" #include "helpers.h" +#include "util.h" -static int drv_mediatek_bo_create(struct bo *bo, - uint32_t width, uint32_t height, - uint32_t format, uint32_t flags) +#define TILE_TYPE_LINEAR 0 + +struct mediatek_private_map_data { + void *cached_addr; + void *gem_addr; + int prime_fd; +}; + +static const uint32_t render_target_formats[] = { DRM_FORMAT_ABGR8888, DRM_FORMAT_ARGB8888, + DRM_FORMAT_RGB565, DRM_FORMAT_XBGR8888, + DRM_FORMAT_XRGB8888 }; + +#ifdef MTK_MT8183 +static const uint32_t texture_source_formats[] = { DRM_FORMAT_NV21, DRM_FORMAT_NV12, + DRM_FORMAT_YUYV, DRM_FORMAT_YVU420, + DRM_FORMAT_YVU420_ANDROID }; +#else +static const uint32_t texture_source_formats[] = { DRM_FORMAT_YVU420, DRM_FORMAT_YVU420_ANDROID, + DRM_FORMAT_NV12 }; +#endif + +static int mediatek_init(struct driver *drv) +{ + struct format_metadata metadata; + + drv_add_combinations(drv, render_target_formats, ARRAY_SIZE(render_target_formats), + &LINEAR_METADATA, BO_USE_RENDER_MASK | BO_USE_SCANOUT); + + drv_add_combinations(drv, texture_source_formats, ARRAY_SIZE(texture_source_formats), + &LINEAR_METADATA, BO_USE_TEXTURE_MASK); + + drv_add_combination(drv, DRM_FORMAT_R8, &LINEAR_METADATA, + BO_USE_SW_MASK | BO_USE_LINEAR | BO_USE_PROTECTED); + /* + * Chrome uses DMA-buf mmap to write to YV12 buffers, which are then accessed by the + * Video Encoder Accelerator (VEA). It could also support NV12 potentially in the future. + */ + drv_modify_combination(drv, DRM_FORMAT_YVU420, &LINEAR_METADATA, BO_USE_HW_VIDEO_ENCODER); + drv_modify_combination(drv, DRM_FORMAT_NV12, &LINEAR_METADATA, BO_USE_HW_VIDEO_ENCODER); + + /* Android CTS tests require this. */ + drv_add_combination(drv, DRM_FORMAT_BGR888, &LINEAR_METADATA, BO_USE_SW_MASK); + + /* Support BO_USE_HW_VIDEO_DECODER for protected content minigbm allocations. */ + metadata.tiling = TILE_TYPE_LINEAR; + metadata.priority = 1; + metadata.modifier = DRM_FORMAT_MOD_LINEAR; + drv_modify_combination(drv, DRM_FORMAT_YVU420, &metadata, BO_USE_HW_VIDEO_DECODER); + drv_modify_combination(drv, DRM_FORMAT_YVU420_ANDROID, &metadata, BO_USE_HW_VIDEO_DECODER); + drv_modify_combination(drv, DRM_FORMAT_NV12, &metadata, BO_USE_HW_VIDEO_DECODER); + +#ifdef MTK_MT8183 + /* Only for MT8183 Camera subsystem */ + drv_modify_combination(drv, DRM_FORMAT_NV12, &metadata, + BO_USE_CAMERA_READ | BO_USE_CAMERA_WRITE); + drv_modify_combination(drv, DRM_FORMAT_NV21, &metadata, + BO_USE_CAMERA_READ | BO_USE_CAMERA_WRITE); + drv_modify_combination(drv, DRM_FORMAT_YUYV, &metadata, + BO_USE_CAMERA_READ | BO_USE_CAMERA_WRITE); + drv_modify_combination(drv, DRM_FORMAT_YVU420, &metadata, + BO_USE_CAMERA_READ | BO_USE_CAMERA_WRITE); + drv_modify_combination(drv, DRM_FORMAT_R8, &metadata, + BO_USE_CAMERA_READ | BO_USE_CAMERA_WRITE); + /* Private formats for private reprocessing in camera */ + drv_add_combination(drv, DRM_FORMAT_MTISP_SXYZW10, &metadata, + BO_USE_CAMERA_READ | BO_USE_CAMERA_WRITE | BO_USE_SW_MASK); +#endif + + return drv_modify_linear_combinations(drv); +} + +static int mediatek_bo_create_with_modifiers(struct bo *bo, uint32_t width, uint32_t height, + uint32_t format, const uint64_t *modifiers, + uint32_t count) { - size_t size; - struct drm_mtk_gem_create gem_create; int ret; + size_t plane; + uint32_t stride; + struct drm_mtk_gem_create gem_create; + + if (!drv_has_modifier(modifiers, count, DRM_FORMAT_MOD_LINEAR)) { + errno = EINVAL; + drv_log("no usable modifier found\n"); + return -EINVAL; + } + + /* + * Since the ARM L1 cache line size is 64 bytes, align to that as a + * performance optimization. + */ + stride = drv_stride_from_format(format, width, 0); + stride = ALIGN(stride, 64); - bo->strides[0] = drv_stride_from_format(format, width); - size = height * bo->strides[0]; + if (bo->meta.use_flags & BO_USE_HW_VIDEO_ENCODER) { + uint32_t aligned_height = ALIGN(height, 32); + uint32_t padding[DRV_MAX_PLANES] = { 0 }; + + for (plane = 0; plane < bo->meta.num_planes; ++plane) { + uint32_t plane_stride = drv_stride_from_format(format, stride, plane); + padding[plane] = plane_stride * + (32 / drv_vertical_subsampling_from_format(format, plane)); + } + + drv_bo_from_format_and_padding(bo, stride, aligned_height, format, padding); + } else { +#ifdef MTK_MT8183 + /* + * JPEG Encoder Accelerator requires 16x16 alignment. We want the buffer + * from camera can be put in JEA directly so align the height to 16 + * bytes. + */ + if (format == DRM_FORMAT_NV12) + height = ALIGN(height, 16); +#endif + drv_bo_from_format(bo, stride, height, format); + } memset(&gem_create, 0, sizeof(gem_create)); - gem_create.size = size; + gem_create.size = bo->meta.total_size; ret = drmIoctl(bo->drv->fd, DRM_IOCTL_MTK_GEM_CREATE, &gem_create); if (ret) { - fprintf(stderr, "drv: DRM_IOCTL_MTK_GEM_CREATE failed " - "(size=%zu)\n", size); - return ret; + drv_log("DRM_IOCTL_MTK_GEM_CREATE failed (size=%" PRIu64 ")\n", gem_create.size); + return -errno; } - bo->handles[0].u32 = gem_create.handle; - bo->sizes[0] = size; - bo->offsets[0] = 0; + for (plane = 0; plane < bo->meta.num_planes; plane++) + bo->handles[plane].u32 = gem_create.handle; return 0; } -static void *drv_mediatek_bo_map(struct bo *bo) +static int mediatek_bo_create(struct bo *bo, uint32_t width, uint32_t height, uint32_t format, + uint64_t use_flags) { - int ret; + uint64_t modifiers[] = { DRM_FORMAT_MOD_LINEAR }; + return mediatek_bo_create_with_modifiers(bo, width, height, format, modifiers, + ARRAY_SIZE(modifiers)); +} + +static void *mediatek_bo_map(struct bo *bo, struct vma *vma, size_t plane, uint32_t map_flags) +{ + int ret, prime_fd; struct drm_mtk_gem_map_off gem_map; + struct mediatek_private_map_data *priv; memset(&gem_map, 0, sizeof(gem_map)); gem_map.handle = bo->handles[0].u32; ret = drmIoctl(bo->drv->fd, DRM_IOCTL_MTK_GEM_MAP_OFFSET, &gem_map); if (ret) { - fprintf(stderr,"drv: DRM_IOCTL_MTK_GEM_MAP_OFFSET failed\n"); + drv_log("DRM_IOCTL_MTK_GEM_MAP_OFFSET failed\n"); return MAP_FAILED; } - return mmap(0, bo->sizes[0], PROT_READ | PROT_WRITE, MAP_SHARED, - bo->drv->fd, gem_map.offset); + prime_fd = drv_bo_get_plane_fd(bo, 0); + if (prime_fd < 0) { + drv_log("Failed to get a prime fd\n"); + return MAP_FAILED; + } + + void *addr = mmap(0, bo->meta.total_size, drv_get_prot(map_flags), MAP_SHARED, bo->drv->fd, + gem_map.offset); + + vma->length = bo->meta.total_size; + + priv = calloc(1, sizeof(*priv)); + priv->prime_fd = prime_fd; + vma->priv = priv; + + if (bo->meta.use_flags & BO_USE_RENDERSCRIPT) { + priv->cached_addr = calloc(1, bo->meta.total_size); + priv->gem_addr = addr; + addr = priv->cached_addr; + } + + return addr; } -const struct backend backend_mediatek = +static int mediatek_bo_unmap(struct bo *bo, struct vma *vma) { + if (vma->priv) { + struct mediatek_private_map_data *priv = vma->priv; + + if (priv->cached_addr) { + vma->addr = priv->gem_addr; + free(priv->cached_addr); + } + + close(priv->prime_fd); + free(priv); + vma->priv = NULL; + } + + return munmap(vma->addr, vma->length); +} + +static int mediatek_bo_invalidate(struct bo *bo, struct mapping *mapping) +{ + struct mediatek_private_map_data *priv = mapping->vma->priv; + + if (priv) { + struct pollfd fds = { + .fd = priv->prime_fd, + }; + + if (mapping->vma->map_flags & BO_MAP_WRITE) + fds.events |= POLLOUT; + + if (mapping->vma->map_flags & BO_MAP_READ) + fds.events |= POLLIN; + + poll(&fds, 1, -1); + if (fds.revents != fds.events) + drv_log("poll prime_fd failed\n"); + + if (priv->cached_addr) + memcpy(priv->cached_addr, priv->gem_addr, bo->meta.total_size); + } + + return 0; +} + +static int mediatek_bo_flush(struct bo *bo, struct mapping *mapping) +{ + struct mediatek_private_map_data *priv = mapping->vma->priv; + if (priv && priv->cached_addr && (mapping->vma->map_flags & BO_MAP_WRITE)) + memcpy(priv->gem_addr, priv->cached_addr, bo->meta.total_size); + + return 0; +} + +static uint32_t mediatek_resolve_format(struct driver *drv, uint32_t format, uint64_t use_flags) +{ + switch (format) { + case DRM_FORMAT_FLEX_IMPLEMENTATION_DEFINED: +#ifdef MTK_MT8183 + /* Only MT8183 Camera subsystem offers private reprocessing + * capability. CAMERA_READ indicates the buffer is intended for + * reprocessing and hence given the private format for MTK. */ + if (use_flags & BO_USE_CAMERA_READ) + return DRM_FORMAT_MTISP_SXYZW10; + /* For non-reprocessing uses, only MT8183 Camera subsystem + * requires NV12. */ + else if (use_flags & BO_USE_CAMERA_WRITE) + return DRM_FORMAT_NV12; +#endif + /*HACK: See b/28671744 */ + return DRM_FORMAT_XBGR8888; + case DRM_FORMAT_FLEX_YCbCr_420_888: +#ifdef MTK_MT8183 + /* MT8183 camera and decoder subsystems require NV12. */ + if (use_flags & (BO_USE_CAMERA_READ | BO_USE_CAMERA_WRITE | + BO_USE_HW_VIDEO_DECODER | BO_USE_HW_VIDEO_ENCODER)) { + return DRM_FORMAT_NV12; + } +#endif + return DRM_FORMAT_YVU420; + default: + return format; + } +} + +const struct backend backend_mediatek = { .name = "mediatek", - .bo_create = drv_mediatek_bo_create, + .init = mediatek_init, + .bo_create = mediatek_bo_create, + .bo_create_with_modifiers = mediatek_bo_create_with_modifiers, .bo_destroy = drv_gem_bo_destroy, - .bo_map = drv_mediatek_bo_map, - .format_list = { - {DRV_FORMAT_XRGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_RENDERING}, - {DRV_FORMAT_XRGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_LINEAR}, - {DRV_FORMAT_ARGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_RENDERING}, - {DRV_FORMAT_ARGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_LINEAR}, - } + .bo_import = drv_prime_bo_import, + .bo_map = mediatek_bo_map, + .bo_unmap = mediatek_bo_unmap, + .bo_invalidate = mediatek_bo_invalidate, + .bo_flush = mediatek_bo_flush, + .resolve_format = mediatek_resolve_format, }; #endif