| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Copyright (c) 2021 MediaTek Inc. |
| * Author: Yunfei Dong <yunfei.dong@mediatek.com> |
| */ |
| |
| #include <linux/slab.h> |
| #include <media/v4l2-mem2mem.h> |
| #include <media/videobuf2-dma-contig.h> |
| #include <uapi/linux/v4l2-controls.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" |
| |
| /* Decoding picture buffer size (3 reference frames plus current frame) */ |
| #define VP8_DPB_SIZE 4 |
| |
| /* HW working buffer size (bytes) */ |
| #define VP8_SEG_ID_SZ SZ_256K |
| #define VP8_PP_WRAPY_SZ SZ_64K |
| #define VP8_PP_WRAPC_SZ SZ_64K |
| #define VP8_VLD_PRED_SZ SZ_64K |
| |
| /** |
| * struct vdec_vp8_slice_info - decode misc information |
| * |
| * @vld_wrapper_dma: vld wrapper dma address |
| * @seg_id_buf_dma: seg id dma address |
| * @wrap_y_dma: wrap y dma address |
| * @wrap_c_dma: wrap y dma address |
| * @cur_y_fb_dma: current plane Y frame buffer dma address |
| * @cur_c_fb_dma: current plane C frame buffer dma address |
| * @bs_dma: bitstream dma address |
| * @bs_sz: bitstream size |
| * @resolution_changed:resolution change flag 1 - changed, 0 - not change |
| * @frame_header_type: current frame header type |
| * @wait_key_frame: wait key frame coming |
| * @crc: used to check whether hardware's status is right |
| * @reserved: reserved, currently unused |
| */ |
| struct vdec_vp8_slice_info { |
| u64 vld_wrapper_dma; |
| u64 seg_id_buf_dma; |
| u64 wrap_y_dma; |
| u64 wrap_c_dma; |
| u64 cur_y_fb_dma; |
| u64 cur_c_fb_dma; |
| u64 bs_dma; |
| u32 bs_sz; |
| u32 resolution_changed; |
| u32 frame_header_type; |
| u32 crc[8]; |
| u32 reserved; |
| }; |
| |
| /** |
| * struct vdec_vp8_slice_dpb_info - vp8 reference information |
| * |
| * @y_dma_addr: Y bitstream physical address |
| * @c_dma_addr: CbCr bitstream physical address |
| * @reference_flag: reference picture flag |
| * @reserved: 64bit align |
| */ |
| struct vdec_vp8_slice_dpb_info { |
| dma_addr_t y_dma_addr; |
| dma_addr_t c_dma_addr; |
| int reference_flag; |
| int reserved; |
| }; |
| |
| /** |
| * struct vdec_vp8_slice_vsi - VPU shared information |
| * |
| * @dec: decoding information |
| * @pic: picture information |
| * @vp8_dpb_info: reference buffer information |
| */ |
| struct vdec_vp8_slice_vsi { |
| struct vdec_vp8_slice_info dec; |
| struct vdec_pic_info pic; |
| struct vdec_vp8_slice_dpb_info vp8_dpb_info[3]; |
| }; |
| |
| /** |
| * struct vdec_vp8_slice_inst - VP8 decoder instance |
| * |
| * @seg_id_buf: seg buffer |
| * @wrap_y_buf: wrapper y buffer |
| * @wrap_c_buf: wrapper c buffer |
| * @vld_wrapper_buf: vld wrapper buffer |
| * @ctx: V4L2 context |
| * @vpu: VPU instance for decoder |
| * @vsi: VPU share information |
| */ |
| struct vdec_vp8_slice_inst { |
| struct mtk_vcodec_mem seg_id_buf; |
| struct mtk_vcodec_mem wrap_y_buf; |
| struct mtk_vcodec_mem wrap_c_buf; |
| struct mtk_vcodec_mem vld_wrapper_buf; |
| struct mtk_vcodec_dec_ctx *ctx; |
| struct vdec_vpu_inst vpu; |
| struct vdec_vp8_slice_vsi *vsi; |
| }; |
| |
| static void *vdec_vp8_slice_get_ctrl_ptr(struct mtk_vcodec_dec_ctx *ctx, int id) |
| { |
| struct v4l2_ctrl *ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl, id); |
| |
| if (!ctrl) |
| return ERR_PTR(-EINVAL); |
| |
| return ctrl->p_cur.p; |
| } |
| |
| static void vdec_vp8_slice_get_pic_info(struct vdec_vp8_slice_inst *inst) |
| { |
| struct mtk_vcodec_dec_ctx *ctx = inst->ctx; |
| unsigned int data[3]; |
| |
| data[0] = ctx->picinfo.pic_w; |
| data[1] = ctx->picinfo.pic_h; |
| data[2] = ctx->capture_fourcc; |
| vpu_dec_get_param(&inst->vpu, data, 3, GET_PARAM_PIC_INFO); |
| |
| ctx->picinfo.buf_w = ALIGN(ctx->picinfo.pic_w, 64); |
| ctx->picinfo.buf_h = ALIGN(ctx->picinfo.pic_h, 64); |
| ctx->picinfo.fb_sz[0] = inst->vpu.fb_sz[0]; |
| ctx->picinfo.fb_sz[1] = inst->vpu.fb_sz[1]; |
| |
| inst->vsi->pic.pic_w = ctx->picinfo.pic_w; |
| inst->vsi->pic.pic_h = ctx->picinfo.pic_h; |
| inst->vsi->pic.buf_w = ctx->picinfo.buf_w; |
| inst->vsi->pic.buf_h = ctx->picinfo.buf_h; |
| inst->vsi->pic.fb_sz[0] = ctx->picinfo.fb_sz[0]; |
| inst->vsi->pic.fb_sz[1] = ctx->picinfo.fb_sz[1]; |
| mtk_vdec_debug(inst->ctx, "pic(%d, %d), buf(%d, %d)", |
| ctx->picinfo.pic_w, ctx->picinfo.pic_h, |
| ctx->picinfo.buf_w, ctx->picinfo.buf_h); |
| mtk_vdec_debug(inst->ctx, "fb size: Y(%d), C(%d)", |
| ctx->picinfo.fb_sz[0], ctx->picinfo.fb_sz[1]); |
| } |
| |
| static int vdec_vp8_slice_alloc_working_buf(struct vdec_vp8_slice_inst *inst) |
| { |
| int err; |
| struct mtk_vcodec_mem *mem; |
| |
| mem = &inst->seg_id_buf; |
| mem->size = VP8_SEG_ID_SZ; |
| err = mtk_vcodec_mem_alloc(inst->ctx, mem); |
| if (err) { |
| mtk_vdec_err(inst->ctx, "Cannot allocate working buffer"); |
| return err; |
| } |
| inst->vsi->dec.seg_id_buf_dma = (u64)mem->dma_addr; |
| |
| mem = &inst->wrap_y_buf; |
| mem->size = VP8_PP_WRAPY_SZ; |
| err = mtk_vcodec_mem_alloc(inst->ctx, mem); |
| if (err) { |
| mtk_vdec_err(inst->ctx, "cannot allocate WRAP Y buffer"); |
| return err; |
| } |
| inst->vsi->dec.wrap_y_dma = (u64)mem->dma_addr; |
| |
| mem = &inst->wrap_c_buf; |
| mem->size = VP8_PP_WRAPC_SZ; |
| err = mtk_vcodec_mem_alloc(inst->ctx, mem); |
| if (err) { |
| mtk_vdec_err(inst->ctx, "cannot allocate WRAP C buffer"); |
| return err; |
| } |
| inst->vsi->dec.wrap_c_dma = (u64)mem->dma_addr; |
| |
| mem = &inst->vld_wrapper_buf; |
| mem->size = VP8_VLD_PRED_SZ; |
| err = mtk_vcodec_mem_alloc(inst->ctx, mem); |
| if (err) { |
| mtk_vdec_err(inst->ctx, "cannot allocate vld wrapper buffer"); |
| return err; |
| } |
| inst->vsi->dec.vld_wrapper_dma = (u64)mem->dma_addr; |
| |
| return 0; |
| } |
| |
| static void vdec_vp8_slice_free_working_buf(struct vdec_vp8_slice_inst *inst) |
| { |
| struct mtk_vcodec_mem *mem; |
| |
| mem = &inst->seg_id_buf; |
| if (mem->va) |
| mtk_vcodec_mem_free(inst->ctx, mem); |
| inst->vsi->dec.seg_id_buf_dma = 0; |
| |
| mem = &inst->wrap_y_buf; |
| if (mem->va) |
| mtk_vcodec_mem_free(inst->ctx, mem); |
| inst->vsi->dec.wrap_y_dma = 0; |
| |
| mem = &inst->wrap_c_buf; |
| if (mem->va) |
| mtk_vcodec_mem_free(inst->ctx, mem); |
| inst->vsi->dec.wrap_c_dma = 0; |
| |
| mem = &inst->vld_wrapper_buf; |
| if (mem->va) |
| mtk_vcodec_mem_free(inst->ctx, mem); |
| inst->vsi->dec.vld_wrapper_dma = 0; |
| } |
| |
| static u64 vdec_vp8_slice_get_ref_by_ts(const struct v4l2_ctrl_vp8_frame *frame_header, |
| int index) |
| { |
| switch (index) { |
| case 0: |
| return frame_header->last_frame_ts; |
| case 1: |
| return frame_header->golden_frame_ts; |
| case 2: |
| return frame_header->alt_frame_ts; |
| default: |
| break; |
| } |
| |
| return -1; |
| } |
| |
| static int vdec_vp8_slice_get_decode_parameters(struct vdec_vp8_slice_inst *inst) |
| { |
| const struct v4l2_ctrl_vp8_frame *frame_header; |
| struct mtk_vcodec_dec_ctx *ctx = inst->ctx; |
| struct vb2_queue *vq; |
| struct vb2_buffer *vb; |
| u64 referenct_ts; |
| int index; |
| |
| frame_header = vdec_vp8_slice_get_ctrl_ptr(inst->ctx, V4L2_CID_STATELESS_VP8_FRAME); |
| if (IS_ERR(frame_header)) |
| return PTR_ERR(frame_header); |
| |
| vq = v4l2_m2m_get_vq(ctx->m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); |
| for (index = 0; index < 3; index++) { |
| referenct_ts = vdec_vp8_slice_get_ref_by_ts(frame_header, index); |
| vb = vb2_find_buffer(vq, referenct_ts); |
| if (!vb) { |
| if (!V4L2_VP8_FRAME_IS_KEY_FRAME(frame_header)) |
| mtk_vdec_err(inst->ctx, "reference invalid: index(%d) ts(%lld)", |
| index, referenct_ts); |
| inst->vsi->vp8_dpb_info[index].reference_flag = 0; |
| continue; |
| } |
| inst->vsi->vp8_dpb_info[index].reference_flag = 1; |
| |
| inst->vsi->vp8_dpb_info[index].y_dma_addr = |
| vb2_dma_contig_plane_dma_addr(vb, 0); |
| if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 2) |
| inst->vsi->vp8_dpb_info[index].c_dma_addr = |
| vb2_dma_contig_plane_dma_addr(vb, 1); |
| else |
| inst->vsi->vp8_dpb_info[index].c_dma_addr = |
| inst->vsi->vp8_dpb_info[index].y_dma_addr + |
| ctx->picinfo.fb_sz[0]; |
| } |
| |
| inst->vsi->dec.frame_header_type = frame_header->flags >> 1; |
| |
| return 0; |
| } |
| |
| static int vdec_vp8_slice_init(struct mtk_vcodec_dec_ctx *ctx) |
| { |
| struct vdec_vp8_slice_inst *inst; |
| int err; |
| |
| inst = kzalloc(sizeof(*inst), GFP_KERNEL); |
| if (!inst) |
| return -ENOMEM; |
| |
| inst->ctx = ctx; |
| |
| inst->vpu.id = SCP_IPI_VDEC_LAT; |
| inst->vpu.core_id = SCP_IPI_VDEC_CORE; |
| inst->vpu.ctx = ctx; |
| inst->vpu.codec_type = ctx->current_codec; |
| inst->vpu.capture_type = ctx->capture_fourcc; |
| |
| err = vpu_dec_init(&inst->vpu); |
| if (err) { |
| mtk_vdec_err(ctx, "vdec_vp8 init err=%d", err); |
| goto error_free_inst; |
| } |
| |
| inst->vsi = inst->vpu.vsi; |
| err = vdec_vp8_slice_alloc_working_buf(inst); |
| if (err) |
| goto error_deinit; |
| |
| mtk_vdec_debug(ctx, "vp8 struct size = %d vsi: %d\n", |
| (int)sizeof(struct v4l2_ctrl_vp8_frame), |
| (int)sizeof(struct vdec_vp8_slice_vsi)); |
| mtk_vdec_debug(ctx, "vp8:%p, codec_type = 0x%x vsi: 0x%p", |
| inst, inst->vpu.codec_type, inst->vpu.vsi); |
| |
| ctx->drv_handle = inst; |
| return 0; |
| |
| error_deinit: |
| vpu_dec_deinit(&inst->vpu); |
| error_free_inst: |
| kfree(inst); |
| return err; |
| } |
| |
| static int vdec_vp8_slice_decode(void *h_vdec, struct mtk_vcodec_mem *bs, |
| struct vdec_fb *fb, bool *res_chg) |
| { |
| struct vdec_vp8_slice_inst *inst = h_vdec; |
| struct vdec_vpu_inst *vpu = &inst->vpu; |
| struct mtk_video_dec_buf *src_buf_info, *dst_buf_info; |
| unsigned int data; |
| u64 y_fb_dma, c_fb_dma; |
| int err, timeout; |
| |
| /* Resolution changes are never initiated by us */ |
| *res_chg = false; |
| |
| /* bs NULL means flush decoder */ |
| if (!bs) |
| return vpu_dec_reset(vpu); |
| |
| src_buf_info = container_of(bs, struct mtk_video_dec_buf, bs_buffer); |
| |
| fb = inst->ctx->dev->vdec_pdata->get_cap_buffer(inst->ctx); |
| dst_buf_info = container_of(fb, struct mtk_video_dec_buf, frame_buffer); |
| |
| y_fb_dma = fb ? (u64)fb->base_y.dma_addr : 0; |
| if (inst->ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 1) |
| c_fb_dma = y_fb_dma + |
| inst->ctx->picinfo.buf_w * inst->ctx->picinfo.buf_h; |
| else |
| c_fb_dma = fb ? (u64)fb->base_c.dma_addr : 0; |
| |
| inst->vsi->dec.bs_dma = (u64)bs->dma_addr; |
| inst->vsi->dec.bs_sz = bs->size; |
| inst->vsi->dec.cur_y_fb_dma = y_fb_dma; |
| inst->vsi->dec.cur_c_fb_dma = c_fb_dma; |
| |
| mtk_vdec_debug(inst->ctx, "frame[%d] bs(%zu 0x%llx) y/c(0x%llx 0x%llx)", |
| inst->ctx->decoded_frame_cnt, |
| bs->size, (u64)bs->dma_addr, |
| y_fb_dma, c_fb_dma); |
| |
| v4l2_m2m_buf_copy_metadata(&src_buf_info->m2m_buf.vb, |
| &dst_buf_info->m2m_buf.vb, true); |
| |
| err = vdec_vp8_slice_get_decode_parameters(inst); |
| if (err) |
| goto error; |
| |
| err = vpu_dec_start(vpu, &data, 1); |
| if (err) { |
| mtk_vdec_debug(inst->ctx, "vp8 dec start err!"); |
| goto error; |
| } |
| |
| if (inst->vsi->dec.resolution_changed) { |
| mtk_vdec_debug(inst->ctx, "- resolution_changed -"); |
| *res_chg = true; |
| return 0; |
| } |
| |
| /* wait decode done interrupt */ |
| timeout = mtk_vcodec_wait_for_done_ctx(inst->ctx, MTK_INST_IRQ_RECEIVED, |
| 50, MTK_VDEC_CORE); |
| |
| err = vpu_dec_end(vpu); |
| if (err || timeout) |
| mtk_vdec_debug(inst->ctx, "vp8 dec error timeout:%d err: %d pic_%d", |
| timeout, err, inst->ctx->decoded_frame_cnt); |
| |
| mtk_vdec_debug(inst->ctx, "pic[%d] crc: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x", |
| inst->ctx->decoded_frame_cnt, |
| inst->vsi->dec.crc[0], inst->vsi->dec.crc[1], |
| inst->vsi->dec.crc[2], inst->vsi->dec.crc[3], |
| inst->vsi->dec.crc[4], inst->vsi->dec.crc[5], |
| inst->vsi->dec.crc[6], inst->vsi->dec.crc[7]); |
| |
| inst->ctx->decoded_frame_cnt++; |
| error: |
| return err; |
| } |
| |
| static int vdec_vp8_slice_get_param(void *h_vdec, enum vdec_get_param_type type, void *out) |
| { |
| struct vdec_vp8_slice_inst *inst = h_vdec; |
| |
| switch (type) { |
| case GET_PARAM_PIC_INFO: |
| vdec_vp8_slice_get_pic_info(inst); |
| break; |
| case GET_PARAM_CROP_INFO: |
| mtk_vdec_debug(inst->ctx, "No need to get vp8 crop information."); |
| break; |
| case GET_PARAM_DPB_SIZE: |
| *((unsigned int *)out) = VP8_DPB_SIZE; |
| break; |
| default: |
| mtk_vdec_err(inst->ctx, "invalid get parameter type=%d", type); |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static void vdec_vp8_slice_deinit(void *h_vdec) |
| { |
| struct vdec_vp8_slice_inst *inst = h_vdec; |
| |
| vpu_dec_deinit(&inst->vpu); |
| vdec_vp8_slice_free_working_buf(inst); |
| kfree(inst); |
| } |
| |
| const struct vdec_common_if vdec_vp8_slice_if = { |
| .init = vdec_vp8_slice_init, |
| .decode = vdec_vp8_slice_decode, |
| .get_param = vdec_vp8_slice_get_param, |
| .deinit = vdec_vp8_slice_deinit, |
| }; |