1 /* 2 * Copyright (c) 2016 MediaTek Inc. 3 * Author: PC Chen <pc.chen@mediatek.com> 4 * Tiffany Lin <tiffany.lin@mediatek.com> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 */ 15 16 #ifndef _MTK_VCODEC_DEC_H_ 17 #define _MTK_VCODEC_DEC_H_ 18 19 #include <media/videobuf2-core.h> 20 #include <media/videobuf2-v4l2.h> 21 22 #define VCODEC_CAPABILITY_4K_DISABLED 0x10 23 #define VCODEC_DEC_4K_CODED_WIDTH 4096U 24 #define VCODEC_DEC_4K_CODED_HEIGHT 2304U 25 #define MTK_VDEC_MAX_W 2048U 26 #define MTK_VDEC_MAX_H 1088U 27 28 #define MTK_VDEC_IRQ_STATUS_DEC_SUCCESS 0x10000 29 30 /** 31 * struct vdec_fb - decoder frame buffer 32 * @base_y : Y plane memory info 33 * @base_c : C plane memory info 34 * @status : frame buffer status (vdec_fb_status) 35 */ 36 struct vdec_fb { 37 struct mtk_vcodec_mem base_y; 38 struct mtk_vcodec_mem base_c; 39 unsigned int status; 40 }; 41 42 /** 43 * struct mtk_video_dec_buf - Private data related to each VB2 buffer. 44 * @b: VB2 buffer 45 * @list: link list 46 * @used: Capture buffer contain decoded frame data and keep in 47 * codec data structure 48 * @ready_to_display: Capture buffer not display yet 49 * @queued_in_vb2: Capture buffer is queue in vb2 50 * @queued_in_v4l2: Capture buffer is in v4l2 driver, but not in vb2 51 * queue yet 52 * @lastframe: Intput buffer is last buffer - EOS 53 * @error: An unrecoverable error occurs on this buffer. 54 * @frame_buffer: Decode status, and buffer information of Capture buffer 55 * 56 * Note : These status information help us track and debug buffer state 57 */ 58 struct mtk_video_dec_buf { 59 struct vb2_v4l2_buffer vb; 60 struct list_head list; 61 62 bool used; 63 bool ready_to_display; 64 bool queued_in_vb2; 65 bool queued_in_v4l2; 66 bool lastframe; 67 bool error; 68 struct vdec_fb frame_buffer; 69 }; 70 71 extern const struct v4l2_ioctl_ops mtk_vdec_ioctl_ops; 72 extern const struct v4l2_m2m_ops mtk_vdec_m2m_ops; 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 int mtk_vcodec_dec_ctrls_setup(struct mtk_vcodec_ctx *ctx); 88 89 90 #endif /* _MTK_VCODEC_DEC_H_ */ 91
