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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 6417#define VCODEC_CAPABILITY_4K_DISABLED 0x1018#define VCODEC_DEC_4K_CODED_WIDTH 4096U19#define VCODEC_DEC_4K_CODED_HEIGHT 2304U20#define MTK_VDEC_MAX_W 2048U21#define MTK_VDEC_MAX_H 1088U22#define MTK_VDEC_MIN_W 64U23#define MTK_VDEC_MIN_H 64U24 25#define MTK_VDEC_IRQ_STATUS_DEC_SUCCESS 0x1000026 27/**28 * struct vdec_fb - decoder frame buffer29 * @base_y : Y plane memory info30 * @base_c : C plane memory info31 * @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 buffer42 * @used: Capture buffer contain decoded frame data and keep in43 * codec data structure44 * @queued_in_vb2: Capture buffer is queue in vb245 * @queued_in_v4l2: Capture buffer is in v4l2 driver, but not in vb246 * queue yet47 * @error: An unrecoverable error occurs on this buffer.48 * @frame_buffer: Decode status, and buffer information of Capture buffer49 * @bs_buffer: Output buffer info50 *51 * Note : These status information help us track and debug buffer state52 */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 to78 * get/release lock before/after access decoder hw.79 * mtk_vdec_lock get decoder hw lock and set curr_ctx80 * to ctx instance that get lock81 */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 ops91 */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