diff options
Diffstat (limited to 'drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.h')
| -rw-r--r-- | drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.h new file mode 100644 index 000000000..dc4fc1df6 --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.h @@ -0,0 +1,90 @@ +/* + * Copyright (c) 2016 MediaTek Inc. + * Author: PC Chen <pc.chen@mediatek.com> + * Tiffany Lin <tiffany.lin@mediatek.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _MTK_VCODEC_DEC_H_ +#define _MTK_VCODEC_DEC_H_ + +#include <media/videobuf2-core.h> +#include <media/videobuf2-v4l2.h> + +#define VCODEC_CAPABILITY_4K_DISABLED 0x10 +#define VCODEC_DEC_4K_CODED_WIDTH 4096U +#define VCODEC_DEC_4K_CODED_HEIGHT 2304U +#define MTK_VDEC_MAX_W 2048U +#define MTK_VDEC_MAX_H 1088U + +#define MTK_VDEC_IRQ_STATUS_DEC_SUCCESS 0x10000 + +/** + * struct vdec_fb - decoder frame buffer + * @base_y : Y plane memory info + * @base_c : C plane memory info + * @status : frame buffer status (vdec_fb_status) + */ +struct vdec_fb { + struct mtk_vcodec_mem base_y; + struct mtk_vcodec_mem base_c; + unsigned int status; +}; + +/** + * struct mtk_video_dec_buf - Private data related to each VB2 buffer. + * @b: VB2 buffer + * @list: link list + * @used: Capture buffer contain decoded frame data and keep in + * codec data structure + * @ready_to_display: Capture buffer not display yet + * @queued_in_vb2: Capture buffer is queue in vb2 + * @queued_in_v4l2: Capture buffer is in v4l2 driver, but not in vb2 + * queue yet + * @lastframe: Intput buffer is last buffer - EOS + * @error: An unrecoverable error occurs on this buffer. + * @frame_buffer: Decode status, and buffer information of Capture buffer + * + * Note : These status information help us track and debug buffer state + */ +struct mtk_video_dec_buf { + struct vb2_v4l2_buffer vb; + struct list_head list; + + bool used; + bool ready_to_display; + bool queued_in_vb2; + bool queued_in_v4l2; + bool lastframe; + bool error; + struct vdec_fb frame_buffer; +}; + +extern const struct v4l2_ioctl_ops mtk_vdec_ioctl_ops; +extern const struct v4l2_m2m_ops mtk_vdec_m2m_ops; + + +/* + * mtk_vdec_lock/mtk_vdec_unlock are for ctx instance to + * get/release lock before/after access decoder hw. + * mtk_vdec_lock get decoder hw lock and set curr_ctx + * to ctx instance that get lock + */ +void mtk_vdec_unlock(struct mtk_vcodec_ctx *ctx); +void mtk_vdec_lock(struct mtk_vcodec_ctx *ctx); +int mtk_vcodec_dec_queue_init(void *priv, struct vb2_queue *src_vq, + struct vb2_queue *dst_vq); +void mtk_vcodec_dec_set_default_params(struct mtk_vcodec_ctx *ctx); +void mtk_vcodec_dec_release(struct mtk_vcodec_ctx *ctx); +int mtk_vcodec_dec_ctrls_setup(struct mtk_vcodec_ctx *ctx); + + +#endif /* _MTK_VCODEC_DEC_H_ */ |