| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Copyright (c) 2016 MediaTek Inc. |
| * Author: PC Chen <pc.chen@mediatek.com> |
| * Tiffany Lin <tiffany.lin@mediatek.com> |
| */ |
| |
| #ifndef _MTK_VCODEC_DEC_H_ |
| #define _MTK_VCODEC_DEC_H_ |
| |
| #include <media/videobuf2-core.h> |
| #include <media/v4l2-mem2mem.h> |
| |
| #define VCODEC_CAPABILITY_4K_DISABLED 0x10 |
| #define VCODEC_DEC_4K_CODED_WIDTH 4096U |
| #define VCODEC_DEC_4K_CODED_HEIGHT 2304U |
| #define MTK_VDEC_MAX_W 2048U |
| #define MTK_VDEC_MAX_H 1088U |
| #define MTK_VDEC_MIN_W 64U |
| #define MTK_VDEC_MIN_H 64U |
| |
| #define MTK_VDEC_IRQ_STATUS_DEC_SUCCESS 0x10000 |
| |
| /** |
| * struct vdec_fb - decoder frame buffer |
| * @base_y : Y plane memory info |
| * @base_c : C plane memory info |
| * @status : frame buffer status (vdec_fb_status) |
| */ |
| struct vdec_fb { |
| struct mtk_vcodec_mem base_y; |
| struct mtk_vcodec_mem base_c; |
| unsigned int status; |
| }; |
| |
| /** |
| * struct mtk_video_dec_buf - Private data related to each VB2 buffer. |
| * @m2m_buf: M2M buffer |
| * @list: link list |
| * @used: Capture buffer contain decoded frame data and keep in |
| * codec data structure |
| * @queued_in_vb2: Capture buffer is queue in vb2 |
| * @queued_in_v4l2: Capture buffer is in v4l2 driver, but not in vb2 |
| * queue yet |
| * @error: An unrecoverable error occurs on this buffer. |
| * @frame_buffer: Decode status, and buffer information of Capture buffer |
| * @bs_buffer: Output buffer info |
| * |
| * Note : These status information help us track and debug buffer state |
| */ |
| struct mtk_video_dec_buf { |
| struct v4l2_m2m_buffer m2m_buf; |
| |
| bool used; |
| bool queued_in_vb2; |
| bool queued_in_v4l2; |
| bool error; |
| |
| union { |
| struct vdec_fb frame_buffer; |
| struct mtk_vcodec_mem bs_buffer; |
| }; |
| }; |
| |
| extern const struct v4l2_ioctl_ops mtk_vdec_ioctl_ops; |
| extern const struct v4l2_m2m_ops mtk_vdec_m2m_ops; |
| extern const struct media_device_ops mtk_vcodec_media_ops; |
| extern const struct mtk_vcodec_dec_pdata mtk_vdec_8173_pdata; |
| extern const struct mtk_vcodec_dec_pdata mtk_vdec_8183_pdata; |
| |
| |
| /* |
| * mtk_vdec_lock/mtk_vdec_unlock are for ctx instance to |
| * get/release lock before/after access decoder hw. |
| * mtk_vdec_lock get decoder hw lock and set curr_ctx |
| * to ctx instance that get lock |
| */ |
| void mtk_vdec_unlock(struct mtk_vcodec_ctx *ctx); |
| void mtk_vdec_lock(struct mtk_vcodec_ctx *ctx); |
| int mtk_vcodec_dec_queue_init(void *priv, struct vb2_queue *src_vq, |
| struct vb2_queue *dst_vq); |
| void mtk_vcodec_dec_set_default_params(struct mtk_vcodec_ctx *ctx); |
| void mtk_vcodec_dec_release(struct mtk_vcodec_ctx *ctx); |
| |
| /* |
| * VB2 ops |
| */ |
| int vb2ops_vdec_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, |
| unsigned int *nplanes, unsigned int sizes[], |
| struct device *alloc_devs[]); |
| int vb2ops_vdec_buf_prepare(struct vb2_buffer *vb); |
| void vb2ops_vdec_buf_finish(struct vb2_buffer *vb); |
| int vb2ops_vdec_buf_init(struct vb2_buffer *vb); |
| int vb2ops_vdec_start_streaming(struct vb2_queue *q, unsigned int count); |
| void vb2ops_vdec_stop_streaming(struct vb2_queue *q); |
| |
| |
| #endif /* _MTK_VCODEC_DEC_H_ */ |
