/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2022 MediaTek Inc. * Author: Yunfei Dong <[email protected]> */ #ifndef _VDEC_H264_REQ_COMMON_H_ #define _VDEC_H264_REQ_COMMON_H_ #include <linux/module.h> #include <linux/slab.h> #include <media/v4l2-h264.h> #include <media/v4l2-mem2mem.h> #include <media/videobuf2-dma-contig.h> #include "../mtk_vcodec_dec_drv.h" #define NAL_NON_IDR_SLICE … #define NAL_IDR_SLICE … #define NAL_TYPE(value) … #define BUF_PREDICTION_SZ … #define MB_UNIT_LEN … /* motion vector size (bytes) for every macro block */ #define HW_MB_STORE_SZ … #define H264_MAX_MV_NUM … /** * struct mtk_h264_dpb_info - h264 dpb information * * @y_dma_addr: Y bitstream physical address * @c_dma_addr: CbCr bitstream physical address * @reference_flag: reference picture flag (short/long term reference picture) * @field: field picture flag */ struct mtk_h264_dpb_info { … }; /* * struct mtk_h264_sps_param - parameters for sps */ struct mtk_h264_sps_param { … }; /* * struct mtk_h264_pps_param - parameters for pps */ struct mtk_h264_pps_param { … }; /* * struct mtk_h264_slice_hd_param - parameters for slice header */ struct mtk_h264_slice_hd_param { … }; /* * struct slice_api_h264_scaling_matrix - parameters for scaling list */ struct slice_api_h264_scaling_matrix { … }; /* * struct slice_h264_dpb_entry - each dpb information */ struct slice_h264_dpb_entry { … }; /* * struct slice_api_h264_decode_param - parameters for decode. */ struct slice_api_h264_decode_param { … }; /** * struct h264_fb - h264 decode frame buffer information * * @vdec_fb_va: virtual address of struct vdec_fb * @y_fb_dma: dma address of Y frame buffer (luma) * @c_fb_dma: dma address of C frame buffer (chroma) * @poc: picture order count of frame buffer * @reserved: for 8 bytes alignment */ struct h264_fb { … }; /** * mtk_vdec_h264_get_ref_list - translate V4L2 reference list * * @ref_list: Mediatek reference picture list * @v4l2_ref_list: V4L2 reference picture list * @num_valid: used reference number */ void mtk_vdec_h264_get_ref_list(u8 *ref_list, const struct v4l2_h264_reference *v4l2_ref_list, int num_valid); /** * mtk_vdec_h264_get_ctrl_ptr - get each CID control address. * * @ctx: v4l2 ctx * @id: CID control ID * * Return: returns CID ctrl address. */ void *mtk_vdec_h264_get_ctrl_ptr(struct mtk_vcodec_dec_ctx *ctx, int id); /** * mtk_vdec_h264_fill_dpb_info - Fill the decoded picture buffer info * * @ctx: v4l2 ctx * @decode_params: slice decode params * @h264_dpb_info: dpb buffer information */ void mtk_vdec_h264_fill_dpb_info(struct mtk_vcodec_dec_ctx *ctx, struct slice_api_h264_decode_param *decode_params, struct mtk_h264_dpb_info *h264_dpb_info); /** * mtk_vdec_h264_copy_sps_params - get sps params. * * @dst_param: sps params for hw decoder * @src_param: sps params from user driver */ void mtk_vdec_h264_copy_sps_params(struct mtk_h264_sps_param *dst_param, const struct v4l2_ctrl_h264_sps *src_param); /** * mtk_vdec_h264_copy_pps_params - get pps params. * * @dst_param: pps params for hw decoder * @src_param: pps params from user driver */ void mtk_vdec_h264_copy_pps_params(struct mtk_h264_pps_param *dst_param, const struct v4l2_ctrl_h264_pps *src_param); /** * mtk_vdec_h264_copy_slice_hd_params - get slice header params. * * @dst_param: slice params for hw decoder * @src_param: slice params from user driver * @dec_param: decode params from user driver */ void mtk_vdec_h264_copy_slice_hd_params(struct mtk_h264_slice_hd_param *dst_param, const struct v4l2_ctrl_h264_slice_params *src_param, const struct v4l2_ctrl_h264_decode_params *dec_param); /** * mtk_vdec_h264_copy_scaling_matrix - Copy scaling matrix from a control to the driver * * @dst_matrix: scaling list params for the HW decoder * @src_matrix: scaling list params from a V4L2 control * * This function is used to copy the scaling matrix from a * v4l2 control into the slice parameters for a decode. */ void mtk_vdec_h264_copy_scaling_matrix(struct slice_api_h264_scaling_matrix *dst_matrix, const struct v4l2_ctrl_h264_scaling_matrix *src_matrix); /** * mtk_vdec_h264_copy_decode_params - get decode params. * * @dst_params: dst params for hw decoder * @src_params: decode params from user driver * @dpb: dpb information */ void mtk_vdec_h264_copy_decode_params(struct slice_api_h264_decode_param *dst_params, const struct v4l2_ctrl_h264_decode_params *src_params, const struct v4l2_h264_dpb_entry dpb[V4L2_H264_NUM_DPB_ENTRIES]); /** * mtk_vdec_h264_update_dpb - update dpb list. * * @dec_param: v4l2 control decode params * @dpb: dpb entry informaton */ void mtk_vdec_h264_update_dpb(const struct v4l2_ctrl_h264_decode_params *dec_param, struct v4l2_h264_dpb_entry *dpb); /** * mtk_vdec_h264_find_start_code - find h264 start code using sofeware. * * @data: input buffer address * @data_sz: input buffer size * * Return: returns start code position. */ int mtk_vdec_h264_find_start_code(unsigned char *data, unsigned int data_sz); /** * mtk_vdec_h264_get_mv_buf_size - get mv buffer size. * * @width: picture width * @height: picture height * * Return: returns mv buffer size. */ unsigned int mtk_vdec_h264_get_mv_buf_size(unsigned int width, unsigned int height); #endif
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