/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2016 MediaTek Inc. * Author: PC Chen <[email protected]> * Tiffany Lin <[email protected]> */ #ifndef _MTK_VCODEC_DEC_H_ #define _MTK_VCODEC_DEC_H_ #include <media/videobuf2-core.h> #include <media/v4l2-mem2mem.h> #include "mtk_vcodec_dec_drv.h" #define VCODEC_DEC_ALIGNED_64 … #define VCODEC_CAPABILITY_4K_DISABLED … #define VCODEC_DEC_4K_CODED_WIDTH … #define VCODEC_DEC_4K_CODED_HEIGHT … #define MTK_VDEC_MAX_W … #define MTK_VDEC_MAX_H … #define MTK_VDEC_MIN_W … #define MTK_VDEC_MIN_H … #define MTK_VDEC_IRQ_STATUS_DEC_SUCCESS … /** * 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_video_dec_buf - Private data related to each VB2 buffer. * @m2m_buf: M2M buffer * @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 { … }; 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; extern const struct mtk_vcodec_dec_pdata mtk_lat_sig_core_pdata; extern const struct mtk_vcodec_dec_pdata mtk_vdec_single_core_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_dec_ctx *ctx); void mtk_vdec_lock(struct mtk_vcodec_dec_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_dec_ctx *ctx); void mtk_vcodec_dec_release(struct mtk_vcodec_dec_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_ */
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