1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * Copyright (c) 2016 MediaTek Inc. 4 * Author: PC Chen <pc.chen@mediatek.com> 5 * Tiffany Lin <tiffany.lin@mediatek.com> 6 */ 7 8#ifndef _MTK_VCODEC_DEC_H_ 9#define _MTK_VCODEC_DEC_H_ 10 11#include <media/videobuf2-core.h> 12#include <media/v4l2-mem2mem.h> 13 14#include "mtk_vcodec_dec_drv.h" 15 16#define VCODEC_DEC_ALIGNED_64 64 17#define VCODEC_CAPABILITY_4K_DISABLED 0x10 18#define VCODEC_DEC_4K_CODED_WIDTH 4096U 19#define VCODEC_DEC_4K_CODED_HEIGHT 2304U 20#define MTK_VDEC_MAX_W 2048U 21#define MTK_VDEC_MAX_H 1088U 22#define MTK_VDEC_MIN_W 64U 23#define MTK_VDEC_MIN_H 64U 24 25#define MTK_VDEC_IRQ_STATUS_DEC_SUCCESS 0x10000 26 27/** 28 * struct vdec_fb - decoder frame buffer 29 * @base_y : Y plane memory info 30 * @base_c : C plane memory info 31 * @status : frame buffer status (vdec_fb_status) 32 */ 33struct vdec_fb { 34 struct mtk_vcodec_mem base_y; 35 struct mtk_vcodec_mem base_c; 36 unsigned int status; 37}; 38 39/** 40 * struct mtk_video_dec_buf - Private data related to each VB2 buffer. 41 * @m2m_buf: M2M buffer 42 * @used: Capture buffer contain decoded frame data and keep in 43 * codec data structure 44 * @queued_in_vb2: Capture buffer is queue in vb2 45 * @queued_in_v4l2: Capture buffer is in v4l2 driver, but not in vb2 46 * queue yet 47 * @error: An unrecoverable error occurs on this buffer. 48 * @frame_buffer: Decode status, and buffer information of Capture buffer 49 * @bs_buffer: Output buffer info 50 * 51 * Note : These status information help us track and debug buffer state 52 */ 53struct mtk_video_dec_buf { 54 struct v4l2_m2m_buffer m2m_buf; 55 56 bool used; 57 bool queued_in_vb2; 58 bool queued_in_v4l2; 59 bool error; 60 61 union { 62 struct vdec_fb frame_buffer; 63 struct mtk_vcodec_mem bs_buffer; 64 }; 65}; 66 67extern const struct v4l2_ioctl_ops mtk_vdec_ioctl_ops; 68extern const struct v4l2_m2m_ops mtk_vdec_m2m_ops; 69extern const struct media_device_ops mtk_vcodec_media_ops; 70extern const struct mtk_vcodec_dec_pdata mtk_vdec_8173_pdata; 71extern const struct mtk_vcodec_dec_pdata mtk_vdec_8183_pdata; 72extern const struct mtk_vcodec_dec_pdata mtk_lat_sig_core_pdata; 73extern const struct mtk_vcodec_dec_pdata mtk_vdec_single_core_pdata; 74 75 76/* 77 * mtk_vdec_lock/mtk_vdec_unlock are for ctx instance to 78 * get/release lock before/after access decoder hw. 79 * mtk_vdec_lock get decoder hw lock and set curr_ctx 80 * to ctx instance that get lock 81 */ 82void mtk_vdec_unlock(struct mtk_vcodec_dec_ctx *ctx); 83void mtk_vdec_lock(struct mtk_vcodec_dec_ctx *ctx); 84int mtk_vcodec_dec_queue_init(void *priv, struct vb2_queue *src_vq, 85 struct vb2_queue *dst_vq); 86void mtk_vcodec_dec_set_default_params(struct mtk_vcodec_dec_ctx *ctx); 87void mtk_vcodec_dec_release(struct mtk_vcodec_dec_ctx *ctx); 88 89/* 90 * VB2 ops 91 */ 92int vb2ops_vdec_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, 93 unsigned int *nplanes, unsigned int sizes[], 94 struct device *alloc_devs[]); 95int vb2ops_vdec_buf_prepare(struct vb2_buffer *vb); 96void vb2ops_vdec_buf_finish(struct vb2_buffer *vb); 97int vb2ops_vdec_buf_init(struct vb2_buffer *vb); 98int vb2ops_vdec_start_streaming(struct vb2_queue *q, unsigned int count); 99void vb2ops_vdec_stop_streaming(struct vb2_queue *q); 100 101 102#endif /* _MTK_VCODEC_DEC_H_ */ 103