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#define VCODEC_CAPABILITY_4K_DISABLED 0x10 15#define VCODEC_DEC_4K_CODED_WIDTH 4096U 16#define VCODEC_DEC_4K_CODED_HEIGHT 2304U 17#define MTK_VDEC_MAX_W 2048U 18#define MTK_VDEC_MAX_H 1088U 19 20#define MTK_VDEC_IRQ_STATUS_DEC_SUCCESS 0x10000 21 22/** 23 * struct vdec_fb - decoder frame buffer 24 * @base_y : Y plane memory info 25 * @base_c : C plane memory info 26 * @status : frame buffer status (vdec_fb_status) 27 */ 28struct vdec_fb { 29 struct mtk_vcodec_mem base_y; 30 struct mtk_vcodec_mem base_c; 31 unsigned int status; 32}; 33 34/** 35 * struct mtk_video_dec_buf - Private data related to each VB2 buffer. 36 * @m2m_buf: M2M buffer 37 * @list: link list 38 * @used: Capture buffer contain decoded frame data and keep in 39 * codec data structure 40 * @queued_in_vb2: Capture buffer is queue in vb2 41 * @queued_in_v4l2: Capture buffer is in v4l2 driver, but not in vb2 42 * queue yet 43 * @lastframe: Intput buffer is last buffer - EOS 44 * @error: An unrecoverable error occurs on this buffer. 45 * @frame_buffer: Decode status, and buffer information of Capture buffer 46 * 47 * Note : These status information help us track and debug buffer state 48 */ 49struct mtk_video_dec_buf { 50 struct v4l2_m2m_buffer m2m_buf; 51 52 bool used; 53 bool queued_in_vb2; 54 bool queued_in_v4l2; 55 bool lastframe; 56 bool error; 57 struct vdec_fb frame_buffer; 58}; 59 60extern const struct v4l2_ioctl_ops mtk_vdec_ioctl_ops; 61extern const struct v4l2_m2m_ops mtk_vdec_m2m_ops; 62 63 64/* 65 * mtk_vdec_lock/mtk_vdec_unlock are for ctx instance to 66 * get/release lock before/after access decoder hw. 67 * mtk_vdec_lock get decoder hw lock and set curr_ctx 68 * to ctx instance that get lock 69 */ 70void mtk_vdec_unlock(struct mtk_vcodec_ctx *ctx); 71void mtk_vdec_lock(struct mtk_vcodec_ctx *ctx); 72int mtk_vcodec_dec_queue_init(void *priv, struct vb2_queue *src_vq, 73 struct vb2_queue *dst_vq); 74void mtk_vcodec_dec_set_default_params(struct mtk_vcodec_ctx *ctx); 75void mtk_vcodec_dec_release(struct mtk_vcodec_ctx *ctx); 76int mtk_vcodec_dec_ctrls_setup(struct mtk_vcodec_ctx *ctx); 77 78 79#endif /* _MTK_VCODEC_DEC_H_ */ 80