// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2023 MediaTek Inc. * Author: Yunfei Dong <[email protected]> */ #include <linux/module.h> #include <linux/slab.h> #include <media/videobuf2-dma-contig.h> #include "../mtk_vcodec_dec.h" #include "../../common/mtk_vcodec_intr.h" #include "../vdec_drv_base.h" #include "../vdec_drv_if.h" #include "../vdec_vpu_if.h" /* the size used to store hevc wrap information */ #define VDEC_HEVC_WRAP_SZ … #define HEVC_MAX_MV_NUM … /* get used parameters for sps/pps */ #define GET_HEVC_VDEC_FLAG(cond, flag) … #define GET_HEVC_VDEC_PARAM(param) … /** * enum vdec_hevc_core_dec_err_type - core decode error type * * @TRANS_BUFFER_FULL: trans buffer is full * @SLICE_HEADER_FULL: slice header buffer is full */ enum vdec_hevc_core_dec_err_type { … }; /** * struct mtk_hevc_dpb_info - hevc dpb information * * @y_dma_addr: Y plane physical address * @c_dma_addr: CbCr plane physical address * @reference_flag: reference picture flag (short/long term reference picture) * @field: field picture flag */ struct mtk_hevc_dpb_info { … }; /* * struct mtk_hevc_sps_param - parameters for sps */ struct mtk_hevc_sps_param { … }; /* * struct mtk_hevc_pps_param - parameters for pps */ struct mtk_hevc_pps_param { … }; /* * struct mtk_hevc_slice_header_param - parameters for slice header */ struct mtk_hevc_slice_header_param { … }; /* * struct slice_api_hevc_scaling_matrix - parameters for scaling list */ struct slice_api_hevc_scaling_matrix { … }; /* * struct slice_hevc_dpb_entry - each dpb information */ struct slice_hevc_dpb_entry { … }; /* * struct slice_api_hevc_decode_param - parameters for decode. */ struct slice_api_hevc_decode_param { … }; /** * struct hevc_fb - hevc 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 hevc_fb { … }; /** * struct vdec_hevc_slice_lat_dec_param - parameters for decode current frame * * @sps: hevc sps syntax parameters * @pps: hevc pps syntax parameters * @slice_header: hevc slice header syntax parameters * @scaling_matrix: hevc scaling list parameters * @decode_params: decoder parameters of each frame used for hardware decode * @hevc_dpb_info: dpb reference list */ struct vdec_hevc_slice_lat_dec_param { … }; /** * struct vdec_hevc_slice_info - decode information * * @wdma_end_addr_offset: wdma end address offset * @timeout: Decode timeout: 1 timeout, 0 no timeout * @vdec_fb_va: VDEC frame buffer struct virtual address * @crc: Used to check whether hardware's status is right */ struct vdec_hevc_slice_info { … }; /* * struct vdec_hevc_slice_mem - memory address and size */ struct vdec_hevc_slice_mem { … }; /** * struct vdec_hevc_slice_fb - frame buffer for decoding * @y: current y buffer address info * @c: current c buffer address info */ struct vdec_hevc_slice_fb { … }; /** * struct vdec_hevc_slice_vsi - shared memory for decode information exchange * between SCP and Host. * * @bs: input buffer info * * @ube: ube buffer * @trans: transcoded buffer * @err_map: err map buffer * @slice_bc: slice bc buffer * @wrap: temp buffer * * @fb: current y/c buffer * @mv_buf_dma: HW working motion vector buffer * @dec: decode information (AP-R, VPU-W) * @hevc_slice_params: decode parameters for hw used */ struct vdec_hevc_slice_vsi { … }; /** * struct vdec_hevc_slice_share_info - shared information used to exchange * message between lat and core * * @sps: sequence header information from user space * @dec_params: decoder params from user space * @hevc_slice_params: decoder params used for hardware * @trans: trans buffer dma address */ struct vdec_hevc_slice_share_info { … }; /** * struct vdec_hevc_slice_inst - hevc decoder instance * * @slice_dec_num: Number of frames to be decoded * @ctx: point to mtk_vcodec_dec_ctx * @mv_buf: HW working motion vector buffer * @vpu: VPU instance * @vsi: vsi used for lat * @vsi_core: vsi used for core * @wrap_addr: wrap address used for hevc * * @hevc_slice_param: the parameters that hardware use to decode * * @resolution_changed: resolution changed * @realloc_mv_buf: reallocate mv buffer * @cap_num_planes: number of capture queue plane */ struct vdec_hevc_slice_inst { … }; static unsigned int vdec_hevc_get_mv_buf_size(unsigned int width, unsigned int height) { … } static void *vdec_hevc_get_ctrl_ptr(struct mtk_vcodec_dec_ctx *ctx, int id) { … } static void vdec_hevc_fill_dpb_info(struct mtk_vcodec_dec_ctx *ctx, struct slice_api_hevc_decode_param *decode_params, struct mtk_hevc_dpb_info *hevc_dpb_info) { … } static void vdec_hevc_copy_sps_params(struct mtk_hevc_sps_param *dst_param, const struct v4l2_ctrl_hevc_sps *src_param) { … } static void vdec_hevc_copy_pps_params(struct mtk_hevc_pps_param *dst_param, const struct v4l2_ctrl_hevc_pps *src_param) { … } static void vdec_hevc_copy_scaling_matrix(struct slice_api_hevc_scaling_matrix *dst_matrix, const struct v4l2_ctrl_hevc_scaling_matrix *src_matrix) { … } static void vdec_hevc_copy_decode_params(struct slice_api_hevc_decode_param *dst_param, const struct v4l2_ctrl_hevc_decode_params *src_param, const struct v4l2_hevc_dpb_entry dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]) { … } static int vdec_hevc_slice_fill_decode_parameters(struct vdec_hevc_slice_inst *inst, struct vdec_hevc_slice_share_info *share_info) { … } static void vdec_hevc_slice_fill_decode_reflist(struct vdec_hevc_slice_inst *inst, struct vdec_hevc_slice_lat_dec_param *slice_param, struct vdec_hevc_slice_share_info *share_info) { … } static int vdec_hevc_slice_alloc_mv_buf(struct vdec_hevc_slice_inst *inst, struct vdec_pic_info *pic) { … } static void vdec_hevc_slice_free_mv_buf(struct vdec_hevc_slice_inst *inst) { … } static void vdec_hevc_slice_get_pic_info(struct vdec_hevc_slice_inst *inst) { … } static void vdec_hevc_slice_get_crop_info(struct vdec_hevc_slice_inst *inst, struct v4l2_rect *cr) { … } static int vdec_hevc_slice_setup_lat_buffer(struct vdec_hevc_slice_inst *inst, struct mtk_vcodec_mem *bs, struct vdec_lat_buf *lat_buf, bool *res_chg) { … } static int vdec_hevc_slice_setup_core_buffer(struct vdec_hevc_slice_inst *inst, struct vdec_hevc_slice_share_info *share_info, struct vdec_lat_buf *lat_buf) { … } static int vdec_hevc_slice_init(struct mtk_vcodec_dec_ctx *ctx) { … } static void vdec_hevc_slice_deinit(void *h_vdec) { … } static int vdec_hevc_slice_core_decode(struct vdec_lat_buf *lat_buf) { … } static int vdec_hevc_slice_lat_decode(void *h_vdec, struct mtk_vcodec_mem *bs, struct vdec_fb *fb, bool *res_chg) { … } static int vdec_hevc_slice_decode(void *h_vdec, struct mtk_vcodec_mem *bs, struct vdec_fb *unused, bool *res_chg) { … } static int vdec_hevc_slice_get_param(void *h_vdec, enum vdec_get_param_type type, void *out) { … } const struct vdec_common_if vdec_hevc_slice_multi_if = …;
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