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_DEC_ALIGNED_64 64 15 #define VCODEC_CAPABILITY_4K_DISABLED 0x10 16 #define VCODEC_DEC_4K_CODED_WIDTH 4096U 17 #define VCODEC_DEC_4K_CODED_HEIGHT 2304U 18 #define MTK_VDEC_MAX_W 2048U 19 #define MTK_VDEC_MAX_H 1088U 20 #define MTK_VDEC_MIN_W 64U 21 #define MTK_VDEC_MIN_H 64U 22 23 #define MTK_VDEC_IRQ_STATUS_DEC_SUCCESS 0x10000 24 25 /** 26 * struct vdec_fb - decoder frame buffer 27 * @base_y : Y plane memory info 28 * @base_c : C plane memory info 29 * @status : frame buffer status (vdec_fb_status) 30 */ 31 struct vdec_fb { 32 struct mtk_vcodec_mem base_y; 33 struct mtk_vcodec_mem base_c; 34 unsigned int status; 35 }; 36 37 /** 38 * struct mtk_video_dec_buf - Private data related to each VB2 buffer. 39 * @m2m_buf: M2M buffer 40 * @list: link list 41 * @used: Capture buffer contain decoded frame data and keep in 42 * codec data structure 43 * @queued_in_vb2: Capture buffer is queue in vb2 44 * @queued_in_v4l2: Capture buffer is in v4l2 driver, but not in vb2 45 * queue yet 46 * @error: An unrecoverable error occurs on this buffer. 47 * @frame_buffer: Decode status, and buffer information of Capture buffer 48 * @bs_buffer: Output buffer info 49 * 50 * Note : These status information help us track and debug buffer state 51 */ 52 struct mtk_video_dec_buf { 53 struct v4l2_m2m_buffer m2m_buf; 54 55 bool used; 56 bool queued_in_vb2; 57 bool queued_in_v4l2; 58 bool error; 59 60 union { 61 struct vdec_fb frame_buffer; 62 struct mtk_vcodec_mem bs_buffer; 63 }; 64 }; 65 66 extern const struct v4l2_ioctl_ops mtk_vdec_ioctl_ops; 67 extern const struct v4l2_m2m_ops mtk_vdec_m2m_ops; 68 extern const struct media_device_ops mtk_vcodec_media_ops; 69 extern const struct mtk_vcodec_dec_pdata mtk_vdec_8173_pdata; 70 extern const struct mtk_vcodec_dec_pdata mtk_vdec_8183_pdata; 71 extern const struct mtk_vcodec_dec_pdata mtk_lat_sig_core_pdata; 72 extern const struct mtk_vcodec_dec_pdata mtk_vdec_single_core_pdata; 73 74 75 /* 76 * mtk_vdec_lock/mtk_vdec_unlock are for ctx instance to 77 * get/release lock before/after access decoder hw. 78 * mtk_vdec_lock get decoder hw lock and set curr_ctx 79 * to ctx instance that get lock 80 */ 81 void mtk_vdec_unlock(struct mtk_vcodec_ctx *ctx); 82 void mtk_vdec_lock(struct mtk_vcodec_ctx *ctx); 83 int mtk_vcodec_dec_queue_init(void *priv, struct vb2_queue *src_vq, 84 struct vb2_queue *dst_vq); 85 void mtk_vcodec_dec_set_default_params(struct mtk_vcodec_ctx *ctx); 86 void mtk_vcodec_dec_release(struct mtk_vcodec_ctx *ctx); 87 88 /* 89 * VB2 ops 90 */ 91 int vb2ops_vdec_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, 92 unsigned int *nplanes, unsigned int sizes[], 93 struct device *alloc_devs[]); 94 int vb2ops_vdec_buf_prepare(struct vb2_buffer *vb); 95 void vb2ops_vdec_buf_finish(struct vb2_buffer *vb); 96 int vb2ops_vdec_buf_init(struct vb2_buffer *vb); 97 int vb2ops_vdec_start_streaming(struct vb2_queue *q, unsigned int count); 98 void vb2ops_vdec_stop_streaming(struct vb2_queue *q); 99 100 101 #endif /* _MTK_VCODEC_DEC_H_ */ 102