// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2016 MediaTek Inc. * Author: PC Chen * Tiffany Lin */ #include #include #include #include "mtk_vcodec_drv.h" #include "mtk_vcodec_dec.h" #include "mtk_vcodec_intr.h" #include "mtk_vcodec_util.h" #include "vdec_drv_if.h" #include "mtk_vcodec_dec_pm.h" #define OUT_FMT_IDX 0 #define CAP_FMT_IDX 3 #define MTK_VDEC_MIN_W 64U #define MTK_VDEC_MIN_H 64U #define DFT_CFG_WIDTH MTK_VDEC_MIN_W #define DFT_CFG_HEIGHT MTK_VDEC_MIN_H static const struct mtk_video_fmt mtk_video_formats[] = { { .fourcc = V4L2_PIX_FMT_H264, .type = MTK_FMT_DEC, .num_planes = 1, .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, }, { .fourcc = V4L2_PIX_FMT_VP8, .type = MTK_FMT_DEC, .num_planes = 1, .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, }, { .fourcc = V4L2_PIX_FMT_VP9, .type = MTK_FMT_DEC, .num_planes = 1, .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, }, { .fourcc = V4L2_PIX_FMT_MT21C, .type = MTK_FMT_FRAME, .num_planes = 2, }, }; static const struct mtk_codec_framesizes mtk_vdec_framesizes[] = { { .fourcc = V4L2_PIX_FMT_H264, .stepwise = { MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16, MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 }, }, { .fourcc = V4L2_PIX_FMT_VP8, .stepwise = { MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16, MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 }, }, { .fourcc = V4L2_PIX_FMT_VP9, .stepwise = { MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16, MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 }, }, }; #define NUM_SUPPORTED_FRAMESIZE ARRAY_SIZE(mtk_vdec_framesizes) #define NUM_FORMATS ARRAY_SIZE(mtk_video_formats) static const struct mtk_video_fmt *mtk_vdec_find_format(struct v4l2_format *f) { const struct mtk_video_fmt *fmt; unsigned int k; for (k = 0; k < NUM_FORMATS; k++) { fmt = &mtk_video_formats[k]; if (fmt->fourcc == f->fmt.pix_mp.pixelformat) return fmt; } return NULL; } static struct mtk_q_data *mtk_vdec_get_q_data(struct mtk_vcodec_ctx *ctx, enum v4l2_buf_type type) { if (V4L2_TYPE_IS_OUTPUT(type)) return &ctx->q_data[MTK_Q_DATA_SRC]; return &ctx->q_data[MTK_Q_DATA_DST]; } /* * This function tries to clean all display buffers, the buffers will return * in display order. * Note the buffers returned from codec driver may still be in driver's * reference list. */ static struct vb2_buffer *get_display_buffer(struct mtk_vcodec_ctx *ctx) { struct vdec_fb *disp_frame_buffer = NULL; struct mtk_video_dec_buf *dstbuf; mtk_v4l2_debug(3, "[%d]", ctx->id); if (vdec_if_get_param(ctx, GET_PARAM_DISP_FRAME_BUFFER, &disp_frame_buffer)) { mtk_v4l2_err("[%d]Cannot get param : GET_PARAM_DISP_FRAME_BUFFER", ctx->id); return NULL; } if (disp_frame_buffer == NULL) { mtk_v4l2_debug(3, "No display frame buffer"); return NULL; } dstbuf = container_of(disp_frame_buffer, struct mtk_video_dec_buf, frame_buffer); mutex_lock(&ctx->lock); if (dstbuf->used) { vb2_set_plane_payload(&dstbuf->vb.vb2_buf, 0, ctx->picinfo.fb_sz[0]); if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 2) vb2_set_plane_payload(&dstbuf->vb.vb2_buf, 1, ctx->picinfo.fb_sz[1]); mtk_v4l2_debug(2, "[%d]status=%x queue id=%d to done_list %d", ctx->id, disp_frame_buffer->status, dstbuf->vb.vb2_buf.index, dstbuf->queued_in_vb2); v4l2_m2m_buf_done(&dstbuf->vb, VB2_BUF_STATE_DONE); ctx->decoded_frame_cnt++; } mutex_unlock(&ctx->lock); return &dstbuf->vb.vb2_buf; } /* * This function tries to clean all capture buffers that are not used as * reference buffers by codec driver any more * In this case, we need re-queue buffer to vb2 buffer if user space * already returns this buffer to v4l2 or this buffer is just the output of * previous sps/pps/resolution change decode, or do nothing if user * space still owns this buffer */ static struct vb2_buffer *get_free_buffer(struct mtk_vcodec_ctx *ctx) { struct mtk_video_dec_buf *dstbuf; struct vdec_fb *free_frame_buffer = NULL; if (vdec_if_get_param(ctx, GET_PARAM_FREE_FRAME_BUFFER, &free_frame_buffer)) { mtk_v4l2_err("[%d] Error!! Cannot get param", ctx->id); return NULL; } if (free_frame_buffer == NULL) { mtk_v4l2_debug(3, " No free frame buffer"); return NULL; } mtk_v4l2_debug(3, "[%d] tmp_frame_addr = 0x%p", ctx->id, free_frame_buffer); dstbuf = container_of(free_frame_buffer, struct mtk_video_dec_buf, frame_buffer); mutex_lock(&ctx->lock); if (dstbuf->used) { if ((dstbuf->queued_in_vb2) && (dstbuf->queued_in_v4l2) && (free_frame_buffer->status == FB_ST_FREE)) { /* * After decode sps/pps or non-display buffer, we don't * need to return capture buffer to user space, but * just re-queue this capture buffer to vb2 queue. * This reduce overheads that dq/q unused capture * buffer. In this case, queued_in_vb2 = true. */ mtk_v4l2_debug(2, "[%d]status=%x queue id=%d to rdy_queue %d", ctx->id, free_frame_buffer->status, dstbuf->vb.vb2_buf.index, dstbuf->queued_in_vb2); v4l2_m2m_buf_queue(ctx->m2m_ctx, &dstbuf->vb); } else if ((dstbuf->queued_in_vb2 == false) && (dstbuf->queued_in_v4l2 == true)) { /* * If buffer in v4l2 driver but not in vb2 queue yet, * and we get this buffer from free_list, it means * that codec driver do not use this buffer as * reference buffer anymore. We should q buffer to vb2 * queue, so later work thread could get this buffer * for decode. In this case, queued_in_vb2 = false * means this buffer is not from previous decode * output. */ mtk_v4l2_debug(2, "[%d]status=%x queue id=%d to rdy_queue", ctx->id, free_frame_buffer->status, dstbuf->vb.vb2_buf.index); v4l2_m2m_buf_queue(ctx->m2m_ctx, &dstbuf->vb); dstbuf->queued_in_vb2 = true; } else { /* * Codec driver do not need to reference this capture * buffer and this buffer is not in v4l2 driver. * Then we don't need to do any thing, just add log when * we need to debug buffer flow. * When this buffer q from user space, it could * directly q to vb2 buffer */ mtk_v4l2_debug(3, "[%d]status=%x err queue id=%d %d %d", ctx->id, free_frame_buffer->status, dstbuf->vb.vb2_buf.index, dstbuf->queued_in_vb2, dstbuf->queued_in_v4l2); } dstbuf->used = false; } mutex_unlock(&ctx->lock); return &dstbuf->vb.vb2_buf; } static void clean_display_buffer(struct mtk_vcodec_ctx *ctx) { struct vb2_buffer *framptr; do { framptr = get_display_buffer(ctx); } while (framptr); } static void clean_free_buffer(struct mtk_vcodec_ctx *ctx) { struct vb2_buffer *framptr; do { framptr = get_free_buffer(ctx); } while (framptr); } static void mtk_vdec_queue_res_chg_event(struct mtk_vcodec_ctx *ctx) { static const struct v4l2_event ev_src_ch = { .type = V4L2_EVENT_SOURCE_CHANGE, .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION, }; mtk_v4l2_debug(1, "[%d]", ctx->id); v4l2_event_queue_fh(&ctx->fh, &ev_src_ch); } static void mtk_vdec_flush_decoder(struct mtk_vcodec_ctx *ctx) { bool res_chg; int ret = 0; ret = vdec_if_decode(ctx, NULL, NULL, &res_chg); if (ret) mtk_v4l2_err("DecodeFinal failed, ret=%d", ret); clean_display_buffer(ctx); clean_free_buffer(ctx); } static void mtk_vdec_update_fmt(struct mtk_vcodec_ctx *ctx, unsigned int pixelformat) { const struct mtk_video_fmt *fmt; struct mtk_q_data *dst_q_data; unsigned int k; dst_q_data = &ctx->q_data[MTK_Q_DATA_DST]; for (k = 0; k < NUM_FORMATS; k++) { fmt = &mtk_video_formats[k]; if (fmt->fourcc == pixelformat) { mtk_v4l2_debug(1, "Update cap fourcc(%d -> %d)", dst_q_data->fmt->fourcc, pixelformat); dst_q_data->fmt = fmt; return; } } mtk_v4l2_err("Cannot get fourcc(%d), using init value", pixelformat); } static int mtk_vdec_pic_info_update(struct mtk_vcodec_ctx *ctx) { unsigned int dpbsize = 0; int ret; if (vdec_if_get_param(ctx, GET_PARAM_PIC_INFO, &ctx->last_decoded_picinfo)) { mtk_v4l2_err("[%d]Error!! Cannot get param : GET_PARAM_PICTURE_INFO ERR", ctx->id); return -EINVAL; } if (ctx->last_decoded_picinfo.pic_w == 0 || ctx->last_decoded_picinfo.pic_h == 0 || ctx->last_decoded_picinfo.buf_w == 0 || ctx->last_decoded_picinfo.buf_h == 0) { mtk_v4l2_err("Cannot get correct pic info"); return -EINVAL; } if (ctx->last_decoded_picinfo.cap_fourcc != ctx->picinfo.cap_fourcc && ctx->picinfo.cap_fourcc != 0) mtk_vdec_update_fmt(ctx, ctx->picinfo.cap_fourcc); if ((ctx->last_decoded_picinfo.pic_w == ctx->picinfo.pic_w) || (ctx->last_decoded_picinfo.pic_h == ctx->picinfo.pic_h)) return 0; mtk_v4l2_debug(1, "[%d]-> new(%d,%d), old(%d,%d), real(%d,%d)", ctx->id, ctx->last_decoded_picinfo.pic_w, ctx->last_decoded_picinfo.pic_h, ctx->picinfo.pic_w, ctx->picinfo.pic_h, ctx->last_decoded_picinfo.buf_w, ctx->last_decoded_picinfo.buf_h); ret = vdec_if_get_param(ctx, GET_PARAM_DPB_SIZE, &dpbsize); if (dpbsize == 0) mtk_v4l2_err("Incorrect dpb size, ret=%d", ret); ctx->dpb_size = dpbsize; return ret; } static void mtk_vdec_worker(struct work_struct *work) { struct mtk_vcodec_ctx *ctx = container_of(work, struct mtk_vcodec_ctx, decode_work); struct mtk_vcodec_dev *dev = ctx->dev; struct vb2_v4l2_buffer *src_buf, *dst_buf; struct mtk_vcodec_mem buf; struct vdec_fb *pfb; bool res_chg = false; int ret; struct mtk_video_dec_buf *dst_buf_info, *src_buf_info; src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx); if (src_buf == NULL) { v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx); mtk_v4l2_debug(1, "[%d] src_buf empty!!", ctx->id); return; } dst_buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx); if (dst_buf == NULL) { v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx); mtk_v4l2_debug(1, "[%d] dst_buf empty!!", ctx->id); return; } src_buf_info = container_of(src_buf, struct mtk_video_dec_buf, vb); dst_buf_info = container_of(dst_buf, struct mtk_video_dec_buf, vb); pfb = &dst_buf_info->frame_buffer; pfb->base_y.va = vb2_plane_vaddr(&dst_buf->vb2_buf, 0); pfb->base_y.dma_addr = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0); pfb->base_y.size = ctx->picinfo.fb_sz[0]; pfb->base_c.va = vb2_plane_vaddr(&dst_buf->vb2_buf, 1); pfb->base_c.dma_addr = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 1); pfb->base_c.size = ctx->picinfo.fb_sz[1]; pfb->status = 0; mtk_v4l2_debug(3, "===>[%d] vdec_if_decode() ===>", ctx->id); mtk_v4l2_debug(3, "id=%d Framebuf pfb=%p VA=%p Y_DMA=%pad C_DMA=%pad Size=%zx", dst_buf->vb2_buf.index, pfb, pfb->base_y.va, &pfb->base_y.dma_addr, &pfb->base_c.dma_addr, pfb->base_y.size); if (src_buf_info->lastframe) { mtk_v4l2_debug(1, "Got empty flush input buffer."); src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx); /* update dst buf status */ dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx); mutex_lock(&ctx->lock); dst_buf_info->used = false; mutex_unlock(&ctx->lock); vdec_if_decode(ctx, NULL, NULL, &res_chg); clean_display_buffer(ctx); vb2_set_plane_payload(&dst_buf_info->vb.vb2_buf, 0, 0); if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 2) vb2_set_plane_payload(&dst_buf_info->vb.vb2_buf, 1, 0); dst_buf->flags |= V4L2_BUF_FLAG_LAST; v4l2_m2m_buf_done(&dst_buf_info->vb, VB2_BUF_STATE_DONE); clean_free_buffer(ctx); v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx); return; } buf.va = vb2_plane_vaddr(&src_buf->vb2_buf, 0); buf.dma_addr = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0); buf.size = (size_t)src_buf->vb2_buf.planes[0].bytesused; if (!buf.va) { v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx); mtk_v4l2_err("[%d] id=%d src_addr is NULL!!", ctx->id, src_buf->vb2_buf.index); return; } mtk_v4l2_debug(3, "[%d] Bitstream VA=%p DMA=%pad Size=%zx vb=%p", ctx->id, buf.va, &buf.dma_addr, buf.size, src_buf); dst_buf_info->vb.vb2_buf.timestamp = src_buf_info->vb.vb2_buf.timestamp; dst_buf_info->vb.timecode = src_buf_info->vb.timecode; mutex_lock(&ctx->lock); dst_buf_info->used = true; mutex_unlock(&ctx->lock); src_buf_info->used = true; ret = vdec_if_decode(ctx, &buf, pfb, &res_chg); if (ret) { mtk_v4l2_err( " <===[%d], src_buf[%d] sz=0x%zx pts=%llu dst_buf[%d] vdec_if_decode() ret=%d res_chg=%d===>", ctx->id, src_buf->vb2_buf.index, buf.size, src_buf_info->vb.vb2_buf.timestamp, dst_buf->vb2_buf.index, ret, res_chg); src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx); if (ret == -EIO) { mutex_lock(&ctx->lock); src_buf_info->error = true; mutex_unlock(&ctx->lock); } v4l2_m2m_buf_done(&src_buf_info->vb, VB2_BUF_STATE_ERROR); } else if (res_chg == false) { /* * we only return src buffer with VB2_BUF_STATE_DONE * when decode success without resolution change */ src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx); v4l2_m2m_buf_done(&src_buf_info->vb, VB2_BUF_STATE_DONE); } dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx); clean_display_buffer(ctx); clean_free_buffer(ctx); if (!ret && res_chg) { mtk_vdec_pic_info_update(ctx); /* * On encountering a resolution change in the stream. * The driver must first process and decode all * remaining buffers from before the resolution change * point, so call flush decode here */ mtk_vdec_flush_decoder(ctx); /* * After all buffers containing decoded frames from * before the resolution change point ready to be * dequeued on the CAPTURE queue, the driver sends a * V4L2_EVENT_SOURCE_CHANGE event for source change * type V4L2_EVENT_SRC_CH_RESOLUTION */ mtk_vdec_queue_res_chg_event(ctx); } v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx); } static int vidioc_try_decoder_cmd(struct file *file, void *priv, struct v4l2_decoder_cmd *cmd) { switch (cmd->cmd) { case V4L2_DEC_CMD_STOP: case V4L2_DEC_CMD_START: if (cmd->flags != 0) { mtk_v4l2_err("cmd->flags=%u", cmd->flags); return -EINVAL; } break; default: return -EINVAL; } return 0; } static int vidioc_decoder_cmd(struct file *file, void *priv, struct v4l2_decoder_cmd *cmd) { struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv); struct vb2_queue *src_vq, *dst_vq; int ret; ret = vidioc_try_decoder_cmd(file, priv, cmd); if (ret) return ret; mtk_v4l2_debug(1, "decoder cmd=%u", cmd->cmd); dst_vq = v4l2_m2m_get_vq(ctx->m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); switch (cmd->cmd) { case V4L2_DEC_CMD_STOP: src_vq = v4l2_m2m_get_vq(ctx->m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); if (!vb2_is_streaming(src_vq)) { mtk_v4l2_debug(1, "Output stream is off. No need to flush."); return 0; } if (!vb2_is_streaming(dst_vq)) { mtk_v4l2_debug(1, "Capture stream is off. No need to flush."); return 0; } v4l2_m2m_buf_queue(ctx->m2m_ctx, &ctx->empty_flush_buf->vb); v4l2_m2m_try_schedule(ctx->m2m_ctx); break; case V4L2_DEC_CMD_START: vb2_clear_last_buffer_dequeued(dst_vq); break; default: return -EINVAL; } return 0; } void mtk_vdec_unlock(struct mtk_vcodec_ctx *ctx) { mutex_unlock(&ctx->dev->dec_mutex); } void mtk_vdec_lock(struct mtk_vcodec_ctx *ctx) { mutex_lock(&ctx->dev->dec_mutex); } void mtk_vcodec_dec_release(struct mtk_vcodec_ctx *ctx) { vdec_if_deinit(ctx); ctx->state = MTK_STATE_FREE; } void mtk_vcodec_dec_set_default_params(struct mtk_vcodec_ctx *ctx) { struct mtk_q_data *q_data; ctx->m2m_ctx->q_lock = &ctx->dev->dev_mutex; ctx->fh.m2m_ctx = ctx->m2m_ctx; ctx->fh.ctrl_handler = &ctx->ctrl_hdl; INIT_WORK(&ctx->decode_work, mtk_vdec_worker); ctx->colorspace = V4L2_COLORSPACE_REC709; ctx->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT; ctx->quantization = V4L2_QUANTIZATION_DEFAULT; ctx->xfer_func = V4L2_XFER_FUNC_DEFAULT; q_data = &ctx->q_data[MTK_Q_DATA_SRC]; memset(q_data, 0, sizeof(struct mtk_q_data)); q_data->visible_width = DFT_CFG_WIDTH; q_data->visible_height = DFT_CFG_HEIGHT; q_data->fmt = &mtk_video_formats[OUT_FMT_IDX]; q_data->field = V4L2_FIELD_NONE; q_data->sizeimage[0] = DFT_CFG_WIDTH * DFT_CFG_HEIGHT; q_data->bytesperline[0] = 0; q_data = &ctx->q_data[MTK_Q_DATA_DST]; memset(q_data, 0, sizeof(struct mtk_q_data)); q_data->visible_width = DFT_CFG_WIDTH; q_data->visible_height = DFT_CFG_HEIGHT; q_data->coded_width = DFT_CFG_WIDTH; q_data->coded_height = DFT_CFG_HEIGHT; q_data->fmt = &mtk_video_formats[CAP_FMT_IDX]; q_data->field = V4L2_FIELD_NONE; v4l_bound_align_image(&q_data->coded_width, MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 4, &q_data->coded_height, MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 5, 6); q_data->sizeimage[0] = q_data->coded_width * q_data->coded_height; q_data->bytesperline[0] = q_data->coded_width; q_data->sizeimage[1] = q_data->sizeimage[0] / 2; q_data->bytesperline[1] = q_data->coded_width; } static int vidioc_vdec_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) { struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv); if (ctx->state == MTK_STATE_ABORT) { mtk_v4l2_err("[%d] Call on QBUF after unrecoverable error", ctx->id); return -EIO; } return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf); } static int vidioc_vdec_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) { struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv); if (ctx->state == MTK_STATE_ABORT) { mtk_v4l2_err("[%d] Call on DQBUF after unrecoverable error", ctx->id); return -EIO; } return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf); } static int vidioc_vdec_querycap(struct file *file, void *priv, struct v4l2_capability *cap) { strscpy(cap->driver, MTK_VCODEC_DEC_NAME, sizeof(cap->driver)); strscpy(cap->bus_info, MTK_PLATFORM_STR, sizeof(cap->bus_info)); strscpy(cap->card, MTK_PLATFORM_STR, sizeof(cap->card)); return 0; } static int vidioc_vdec_subscribe_evt(struct v4l2_fh *fh, const struct v4l2_event_subscription *sub) { switch (sub->type) { case V4L2_EVENT_EOS: return v4l2_event_subscribe(fh, sub, 2, NULL); case V4L2_EVENT_SOURCE_CHANGE: return v4l2_src_change_event_subscribe(fh, sub); default: return v4l2_ctrl_subscribe_event(fh, sub); } } static int vidioc_try_fmt(struct v4l2_format *f, const struct mtk_video_fmt *fmt) { struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp; int i; pix_fmt_mp->field = V4L2_FIELD_NONE; if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { pix_fmt_mp->num_planes = 1; pix_fmt_mp->plane_fmt[0].bytesperline = 0; } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { int tmp_w, tmp_h; pix_fmt_mp->height = clamp(pix_fmt_mp->height, MTK_VDEC_MIN_H, MTK_VDEC_MAX_H); pix_fmt_mp->width = clamp(pix_fmt_mp->width, MTK_VDEC_MIN_W, MTK_VDEC_MAX_W); /* * Find next closer width align 64, heign align 64, size align * 64 rectangle * Note: This only get default value, the real HW needed value * only available when ctx in MTK_STATE_HEADER state */ tmp_w = pix_fmt_mp->width; tmp_h = pix_fmt_mp->height; v4l_bound_align_image(&pix_fmt_mp->width, MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 6, &pix_fmt_mp->height, MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 6, 9); if (pix_fmt_mp->width < tmp_w && (pix_fmt_mp->width + 64) <= MTK_VDEC_MAX_W) pix_fmt_mp->width += 64; if (pix_fmt_mp->height < tmp_h && (pix_fmt_mp->height + 64) <= MTK_VDEC_MAX_H) pix_fmt_mp->height += 64; mtk_v4l2_debug(0, "before resize width=%d, height=%d, after resize width=%d, height=%d, sizeimage=%d", tmp_w, tmp_h, pix_fmt_mp->width, pix_fmt_mp->height, pix_fmt_mp->width * pix_fmt_mp->height); pix_fmt_mp->num_planes = fmt->num_planes; pix_fmt_mp->plane_fmt[0].sizeimage = pix_fmt_mp->width * pix_fmt_mp->height; pix_fmt_mp->plane_fmt[0].bytesperline = pix_fmt_mp->width; if (pix_fmt_mp->num_planes == 2) { pix_fmt_mp->plane_fmt[1].sizeimage = (pix_fmt_mp->width * pix_fmt_mp->height) / 2; pix_fmt_mp->plane_fmt[1].bytesperline = pix_fmt_mp->width; } } for (i = 0; i < pix_fmt_mp->num_planes; i++) memset(&(pix_fmt_mp->plane_fmt[i].reserved[0]), 0x0, sizeof(pix_fmt_mp->plane_fmt[0].reserved)); pix_fmt_mp->flags = 0; memset(&pix_fmt_mp->reserved, 0x0, sizeof(pix_fmt_mp->reserved)); return 0; } static int vidioc_try_fmt_vid_cap_mplane(struct file *file, void *priv, struct v4l2_format *f) { const struct mtk_video_fmt *fmt; fmt = mtk_vdec_find_format(f); if (!fmt) { f->fmt.pix.pixelformat = mtk_video_formats[CAP_FMT_IDX].fourcc; fmt = mtk_vdec_find_format(f); } return vidioc_try_fmt(f, fmt); } static int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv, struct v4l2_format *f) { struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp; const struct mtk_video_fmt *fmt; fmt = mtk_vdec_find_format(f); if (!fmt) { f->fmt.pix.pixelformat = mtk_video_formats[OUT_FMT_IDX].fourcc; fmt = mtk_vdec_find_format(f); } if (pix_fmt_mp->plane_fmt[0].sizeimage == 0) { mtk_v4l2_err("sizeimage of output format must be given"); return -EINVAL; } return vidioc_try_fmt(f, fmt); } static int vidioc_vdec_g_selection(struct file *file, void *priv, struct v4l2_selection *s) { struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv); struct mtk_q_data *q_data; if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) return -EINVAL; q_data = &ctx->q_data[MTK_Q_DATA_DST]; switch (s->target) { case V4L2_SEL_TGT_COMPOSE_DEFAULT: s->r.left = 0; s->r.top = 0; s->r.width = ctx->picinfo.pic_w; s->r.height = ctx->picinfo.pic_h; break; case V4L2_SEL_TGT_COMPOSE_BOUNDS: s->r.left = 0; s->r.top = 0; s->r.width = ctx->picinfo.buf_w; s->r.height = ctx->picinfo.buf_h; break; case V4L2_SEL_TGT_COMPOSE: if (vdec_if_get_param(ctx, GET_PARAM_CROP_INFO, &(s->r))) { /* set to default value if header info not ready yet*/ s->r.left = 0; s->r.top = 0; s->r.width = q_data->visible_width; s->r.height = q_data->visible_height; } break; default: return -EINVAL; } if (ctx->state < MTK_STATE_HEADER) { /* set to default value if header info not ready yet*/ s->r.left = 0; s->r.top = 0; s->r.width = q_data->visible_width; s->r.height = q_data->visible_height; return 0; } return 0; } static int vidioc_vdec_s_selection(struct file *file, void *priv, struct v4l2_selection *s) { struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv); if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) return -EINVAL; switch (s->target) { case V4L2_SEL_TGT_COMPOSE: s->r.left = 0; s->r.top = 0; s->r.width = ctx->picinfo.pic_w; s->r.height = ctx->picinfo.pic_h; break; default: return -EINVAL; } return 0; } static int vidioc_vdec_s_fmt(struct file *file, void *priv, struct v4l2_format *f) { struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv); struct v4l2_pix_format_mplane *pix_mp; struct mtk_q_data *q_data; int ret = 0; const struct mtk_video_fmt *fmt; mtk_v4l2_debug(3, "[%d]", ctx->id); q_data = mtk_vdec_get_q_data(ctx, f->type); if (!q_data) return -EINVAL; pix_mp = &f->fmt.pix_mp; /* * Setting OUTPUT format after OUTPUT buffers are allocated is invalid * if using the stateful API. */ if ((f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) && vb2_is_busy(&ctx->m2m_ctx->out_q_ctx.q)) { mtk_v4l2_err("out_q_ctx buffers already requested"); ret = -EBUSY; } /* * Setting CAPTURE format after CAPTURE buffers are allocated is * invalid. */ if ((f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) && vb2_is_busy(&ctx->m2m_ctx->cap_q_ctx.q)) { mtk_v4l2_err("cap_q_ctx buffers already requested"); ret = -EBUSY; } fmt = mtk_vdec_find_format(f); if (fmt == NULL) { if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { f->fmt.pix.pixelformat = mtk_video_formats[OUT_FMT_IDX].fourcc; fmt = mtk_vdec_find_format(f); } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { f->fmt.pix.pixelformat = mtk_video_formats[CAP_FMT_IDX].fourcc; fmt = mtk_vdec_find_format(f); } } if (fmt == NULL) return -EINVAL; q_data->fmt = fmt; vidioc_try_fmt(f, q_data->fmt); if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { q_data->sizeimage[0] = pix_mp->plane_fmt[0].sizeimage; q_data->coded_width = pix_mp->width; q_data->coded_height = pix_mp->height; ctx->colorspace = pix_mp->colorspace; ctx->ycbcr_enc = pix_mp->ycbcr_enc; ctx->quantization = pix_mp->quantization; ctx->xfer_func = pix_mp->xfer_func; if (ctx->state == MTK_STATE_FREE) { ret = vdec_if_init(ctx, q_data->fmt->fourcc); if (ret) { mtk_v4l2_err("[%d]: vdec_if_init() fail ret=%d", ctx->id, ret); return -EINVAL; } ctx->state = MTK_STATE_INIT; } } return 0; } static int vidioc_enum_framesizes(struct file *file, void *priv, struct v4l2_frmsizeenum *fsize) { int i = 0; struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv); if (fsize->index != 0) return -EINVAL; for (i = 0; i < NUM_SUPPORTED_FRAMESIZE; ++i) { if (fsize->pixel_format != mtk_vdec_framesizes[i].fourcc) continue; fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; fsize->stepwise = mtk_vdec_framesizes[i].stepwise; if (!(ctx->dev->dec_capability & VCODEC_CAPABILITY_4K_DISABLED)) { mtk_v4l2_debug(3, "4K is enabled"); fsize->stepwise.max_width = VCODEC_DEC_4K_CODED_WIDTH; fsize->stepwise.max_height = VCODEC_DEC_4K_CODED_HEIGHT; } mtk_v4l2_debug(1, "%x, %d %d %d %d %d %d", ctx->dev->dec_capability, fsize->stepwise.min_width, fsize->stepwise.max_width, fsize->stepwise.step_width, fsize->stepwise.min_height, fsize->stepwise.max_height, fsize->stepwise.step_height); return 0; } return -EINVAL; } static int vidioc_enum_fmt(struct v4l2_fmtdesc *f, bool output_queue) { const struct mtk_video_fmt *fmt; int i, j = 0; for (i = 0; i < NUM_FORMATS; i++) { if (output_queue && (mtk_video_formats[i].type != MTK_FMT_DEC)) continue; if (!output_queue && (mtk_video_formats[i].type != MTK_FMT_FRAME)) continue; if (j == f->index) break; ++j; } if (i == NUM_FORMATS) return -EINVAL; fmt = &mtk_video_formats[i]; f->pixelformat = fmt->fourcc; f->flags = fmt->flags; return 0; } static int vidioc_vdec_enum_fmt_vid_cap(struct file *file, void *priv, struct v4l2_fmtdesc *f) { return vidioc_enum_fmt(f, false); } static int vidioc_vdec_enum_fmt_vid_out(struct file *file, void *priv, struct v4l2_fmtdesc *f) { return vidioc_enum_fmt(f, true); } static int vidioc_vdec_g_fmt(struct file *file, void *priv, struct v4l2_format *f) { struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv); struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp; struct vb2_queue *vq; struct mtk_q_data *q_data; vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type); if (!vq) { mtk_v4l2_err("no vb2 queue for type=%d", f->type); return -EINVAL; } q_data = mtk_vdec_get_q_data(ctx, f->type); pix_mp->field = V4L2_FIELD_NONE; pix_mp->colorspace = ctx->colorspace; pix_mp->ycbcr_enc = ctx->ycbcr_enc; pix_mp->quantization = ctx->quantization; pix_mp->xfer_func = ctx->xfer_func; if ((f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) && (ctx->state >= MTK_STATE_HEADER)) { /* Until STREAMOFF is called on the CAPTURE queue * (acknowledging the event), the driver operates as if * the resolution hasn't changed yet. * So we just return picinfo yet, and update picinfo in * stop_streaming hook function */ q_data->sizeimage[0] = ctx->picinfo.fb_sz[0]; q_data->sizeimage[1] = ctx->picinfo.fb_sz[1]; q_data->bytesperline[0] = ctx->last_decoded_picinfo.buf_w; q_data->bytesperline[1] = ctx->last_decoded_picinfo.buf_w; q_data->coded_width = ctx->picinfo.buf_w; q_data->coded_height = ctx->picinfo.buf_h; ctx->last_decoded_picinfo.cap_fourcc = q_data->fmt->fourcc; /* * Width and height are set to the dimensions * of the movie, the buffer is bigger and * further processing stages should crop to this * rectangle. */ pix_mp->width = q_data->coded_width; pix_mp->height = q_data->coded_height; /* * Set pixelformat to the format in which mt vcodec * outputs the decoded frame */ pix_mp->num_planes = q_data->fmt->num_planes; pix_mp->pixelformat = q_data->fmt->fourcc; pix_mp->plane_fmt[0].bytesperline = q_data->bytesperline[0]; pix_mp->plane_fmt[0].sizeimage = q_data->sizeimage[0]; pix_mp->plane_fmt[1].bytesperline = q_data->bytesperline[1]; pix_mp->plane_fmt[1].sizeimage = q_data->sizeimage[1]; } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { /* * This is run on OUTPUT * The buffer contains compressed image * so width and height have no meaning. * Assign value here to pass v4l2-compliance test */ pix_mp->width = q_data->visible_width; pix_mp->height = q_data->visible_height; pix_mp->plane_fmt[0].bytesperline = q_data->bytesperline[0]; pix_mp->plane_fmt[0].sizeimage = q_data->sizeimage[0]; pix_mp->pixelformat = q_data->fmt->fourcc; pix_mp->num_planes = q_data->fmt->num_planes; } else { pix_mp->width = q_data->coded_width; pix_mp->height = q_data->coded_height; pix_mp->num_planes = q_data->fmt->num_planes; pix_mp->pixelformat = q_data->fmt->fourcc; pix_mp->plane_fmt[0].bytesperline = q_data->bytesperline[0]; pix_mp->plane_fmt[0].sizeimage = q_data->sizeimage[0]; pix_mp->plane_fmt[1].bytesperline = q_data->bytesperline[1]; pix_mp->plane_fmt[1].sizeimage = q_data->sizeimage[1]; mtk_v4l2_debug(1, "[%d] type=%d state=%d Format information could not be read, not ready yet!", ctx->id, f->type, ctx->state); } return 0; } static int vb2ops_vdec_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], struct device *alloc_devs[]) { struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vq); struct mtk_q_data *q_data; unsigned int i; q_data = mtk_vdec_get_q_data(ctx, vq->type); if (q_data == NULL) { mtk_v4l2_err("vq->type=%d err\n", vq->type); return -EINVAL; } if (*nplanes) { for (i = 0; i < *nplanes; i++) { if (sizes[i] < q_data->sizeimage[i]) return -EINVAL; } } else { if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) *nplanes = 2; else *nplanes = 1; for (i = 0; i < *nplanes; i++) sizes[i] = q_data->sizeimage[i]; } mtk_v4l2_debug(1, "[%d]\t type = %d, get %d plane(s), %d buffer(s) of size 0x%x 0x%x ", ctx->id, vq->type, *nplanes, *nbuffers, sizes[0], sizes[1]); return 0; } static int vb2ops_vdec_buf_prepare(struct vb2_buffer *vb) { struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); struct mtk_q_data *q_data; int i; mtk_v4l2_debug(3, "[%d] (%d) id=%d", ctx->id, vb->vb2_queue->type, vb->index); q_data = mtk_vdec_get_q_data(ctx, vb->vb2_queue->type); for (i = 0; i < q_data->fmt->num_planes; i++) { if (vb2_plane_size(vb, i) < q_data->sizeimage[i]) { mtk_v4l2_err("data will not fit into plane %d (%lu < %d)", i, vb2_plane_size(vb, i), q_data->sizeimage[i]); } } return 0; } static void vb2ops_vdec_buf_queue(struct vb2_buffer *vb) { struct vb2_v4l2_buffer *src_buf; struct mtk_vcodec_mem src_mem; bool res_chg = false; int ret = 0; unsigned int dpbsize = 1, i = 0; struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); struct vb2_v4l2_buffer *vb2_v4l2 = NULL; struct mtk_video_dec_buf *buf = NULL; struct mtk_q_data *dst_q_data; mtk_v4l2_debug(3, "[%d] (%d) id=%d, vb=%p", ctx->id, vb->vb2_queue->type, vb->index, vb); /* * check if this buffer is ready to be used after decode */ if (vb->vb2_queue->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { vb2_v4l2 = to_vb2_v4l2_buffer(vb); buf = container_of(vb2_v4l2, struct mtk_video_dec_buf, vb); mutex_lock(&ctx->lock); if (buf->used == false) { v4l2_m2m_buf_queue(ctx->m2m_ctx, vb2_v4l2); buf->queued_in_vb2 = true; buf->queued_in_v4l2 = true; } else { buf->queued_in_vb2 = false; buf->queued_in_v4l2 = true; } mutex_unlock(&ctx->lock); return; } v4l2_m2m_buf_queue(ctx->m2m_ctx, to_vb2_v4l2_buffer(vb)); if (ctx->state != MTK_STATE_INIT) { mtk_v4l2_debug(3, "[%d] already init driver %d", ctx->id, ctx->state); return; } src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx); if (!src_buf) { mtk_v4l2_err("No src buffer"); return; } buf = container_of(src_buf, struct mtk_video_dec_buf, vb); if (buf->lastframe) { /* This shouldn't happen. Just in case. */ mtk_v4l2_err("Invalid flush buffer."); v4l2_m2m_src_buf_remove(ctx->m2m_ctx); return; } src_mem.va = vb2_plane_vaddr(&src_buf->vb2_buf, 0); src_mem.dma_addr = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0); src_mem.size = (size_t)src_buf->vb2_buf.planes[0].bytesused; mtk_v4l2_debug(2, "[%d] buf id=%d va=%p dma=%pad size=%zx", ctx->id, src_buf->vb2_buf.index, src_mem.va, &src_mem.dma_addr, src_mem.size); ret = vdec_if_decode(ctx, &src_mem, NULL, &res_chg); if (ret || !res_chg) { /* * fb == NULL means to parse SPS/PPS header or * resolution info in src_mem. Decode can fail * if there is no SPS header or picture info * in bs */ src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx); if (ret == -EIO) { mtk_v4l2_err("[%d] Unrecoverable error in vdec_if_decode.", ctx->id); ctx->state = MTK_STATE_ABORT; v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR); } else { v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE); } mtk_v4l2_debug(ret ? 0 : 1, "[%d] vdec_if_decode() src_buf=%d, size=%zu, fail=%d, res_chg=%d", ctx->id, src_buf->vb2_buf.index, src_mem.size, ret, res_chg); return; } if (vdec_if_get_param(ctx, GET_PARAM_PIC_INFO, &ctx->picinfo)) { mtk_v4l2_err("[%d]Error!! Cannot get param : GET_PARAM_PICTURE_INFO ERR", ctx->id); return; } ctx->last_decoded_picinfo = ctx->picinfo; dst_q_data = &ctx->q_data[MTK_Q_DATA_DST]; for (i = 0; i < dst_q_data->fmt->num_planes; i++) { dst_q_data->sizeimage[i] = ctx->picinfo.fb_sz[i]; dst_q_data->bytesperline[i] = ctx->picinfo.buf_w; } mtk_v4l2_debug(2, "[%d] vdec_if_init() OK wxh=%dx%d pic wxh=%dx%d sz[0]=0x%x sz[1]=0x%x", ctx->id, ctx->picinfo.buf_w, ctx->picinfo.buf_h, ctx->picinfo.pic_w, ctx->picinfo.pic_h, dst_q_data->sizeimage[0], dst_q_data->sizeimage[1]); ret = vdec_if_get_param(ctx, GET_PARAM_DPB_SIZE, &dpbsize); if (dpbsize == 0) mtk_v4l2_err("[%d] GET_PARAM_DPB_SIZE fail=%d", ctx->id, ret); ctx->dpb_size = dpbsize; ctx->state = MTK_STATE_HEADER; mtk_v4l2_debug(1, "[%d] dpbsize=%d", ctx->id, ctx->dpb_size); mtk_vdec_queue_res_chg_event(ctx); } static void vb2ops_vdec_buf_finish(struct vb2_buffer *vb) { struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); struct vb2_v4l2_buffer *vb2_v4l2; struct mtk_video_dec_buf *buf; bool buf_error; vb2_v4l2 = container_of(vb, struct vb2_v4l2_buffer, vb2_buf); buf = container_of(vb2_v4l2, struct mtk_video_dec_buf, vb); mutex_lock(&ctx->lock); if (vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { buf->queued_in_v4l2 = false; buf->queued_in_vb2 = false; } buf_error = buf->error; mutex_unlock(&ctx->lock); if (buf_error) { mtk_v4l2_err("Unrecoverable error on buffer."); ctx->state = MTK_STATE_ABORT; } } static int vb2ops_vdec_buf_init(struct vb2_buffer *vb) { struct vb2_v4l2_buffer *vb2_v4l2 = container_of(vb, struct vb2_v4l2_buffer, vb2_buf); struct mtk_video_dec_buf *buf = container_of(vb2_v4l2, struct mtk_video_dec_buf, vb); if (vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { buf->used = false; buf->queued_in_v4l2 = false; } else { buf->lastframe = false; } return 0; } static int vb2ops_vdec_start_streaming(struct vb2_queue *q, unsigned int count) { struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(q); if (ctx->state == MTK_STATE_FLUSH) ctx->state = MTK_STATE_HEADER; return 0; } static void vb2ops_vdec_stop_streaming(struct vb2_queue *q) { struct vb2_v4l2_buffer *src_buf = NULL, *dst_buf = NULL; struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(q); mtk_v4l2_debug(3, "[%d] (%d) state=(%x) ctx->decoded_frame_cnt=%d", ctx->id, q->type, ctx->state, ctx->decoded_frame_cnt); if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { while ((src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx))) { struct mtk_video_dec_buf *buf_info = container_of( src_buf, struct mtk_video_dec_buf, vb); if (!buf_info->lastframe) v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR); } return; } if (ctx->state >= MTK_STATE_HEADER) { /* Until STREAMOFF is called on the CAPTURE queue * (acknowledging the event), the driver operates * as if the resolution hasn't changed yet, i.e. * VIDIOC_G_FMT< etc. return previous resolution. * So we update picinfo here */ ctx->picinfo = ctx->last_decoded_picinfo; mtk_v4l2_debug(2, "[%d]-> new(%d,%d), old(%d,%d), real(%d,%d)", ctx->id, ctx->last_decoded_picinfo.pic_w, ctx->last_decoded_picinfo.pic_h, ctx->picinfo.pic_w, ctx->picinfo.pic_h, ctx->last_decoded_picinfo.buf_w, ctx->last_decoded_picinfo.buf_h); mtk_vdec_flush_decoder(ctx); } ctx->state = MTK_STATE_FLUSH; while ((dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx))) { vb2_set_plane_payload(&dst_buf->vb2_buf, 0, 0); if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 2) vb2_set_plane_payload(&dst_buf->vb2_buf, 1, 0); v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_ERROR); } } static void m2mops_vdec_device_run(void *priv) { struct mtk_vcodec_ctx *ctx = priv; struct mtk_vcodec_dev *dev = ctx->dev; queue_work(dev->decode_workqueue, &ctx->decode_work); } static int m2mops_vdec_job_ready(void *m2m_priv) { struct mtk_vcodec_ctx *ctx = m2m_priv; mtk_v4l2_debug(3, "[%d]", ctx->id); if (ctx->state == MTK_STATE_ABORT) return 0; if ((ctx->last_decoded_picinfo.pic_w != ctx->picinfo.pic_w) || (ctx->last_decoded_picinfo.pic_h != ctx->picinfo.pic_h)) return 0; if (ctx->state != MTK_STATE_HEADER) return 0; return 1; } static void m2mops_vdec_job_abort(void *priv) { struct mtk_vcodec_ctx *ctx = priv; ctx->state = MTK_STATE_ABORT; } static int mtk_vdec_g_v_ctrl(struct v4l2_ctrl *ctrl) { struct mtk_vcodec_ctx *ctx = ctrl_to_ctx(ctrl); int ret = 0; switch (ctrl->id) { case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE: if (ctx->state >= MTK_STATE_HEADER) { ctrl->val = ctx->dpb_size; } else { mtk_v4l2_debug(0, "Seqinfo not ready"); ctrl->val = 0; } break; default: ret = -EINVAL; } return ret; } static const struct v4l2_ctrl_ops mtk_vcodec_dec_ctrl_ops = { .g_volatile_ctrl = mtk_vdec_g_v_ctrl, }; int mtk_vcodec_dec_ctrls_setup(struct mtk_vcodec_ctx *ctx) { struct v4l2_ctrl *ctrl; v4l2_ctrl_handler_init(&ctx->ctrl_hdl, 1); ctrl = v4l2_ctrl_new_std(&ctx->ctrl_hdl, &mtk_vcodec_dec_ctrl_ops, V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, 0, 32, 1, 1); ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE; v4l2_ctrl_new_std_menu(&ctx->ctrl_hdl, &mtk_vcodec_dec_ctrl_ops, V4L2_CID_MPEG_VIDEO_VP9_PROFILE, V4L2_MPEG_VIDEO_VP9_PROFILE_0, 0, V4L2_MPEG_VIDEO_VP9_PROFILE_0); if (ctx->ctrl_hdl.error) { mtk_v4l2_err("Adding control failed %d", ctx->ctrl_hdl.error); return ctx->ctrl_hdl.error; } v4l2_ctrl_handler_setup(&ctx->ctrl_hdl); return 0; } const struct v4l2_m2m_ops mtk_vdec_m2m_ops = { .device_run = m2mops_vdec_device_run, .job_ready = m2mops_vdec_job_ready, .job_abort = m2mops_vdec_job_abort, }; static const struct vb2_ops mtk_vdec_vb2_ops = { .queue_setup = vb2ops_vdec_queue_setup, .buf_prepare = vb2ops_vdec_buf_prepare, .buf_queue = vb2ops_vdec_buf_queue, .wait_prepare = vb2_ops_wait_prepare, .wait_finish = vb2_ops_wait_finish, .buf_init = vb2ops_vdec_buf_init, .buf_finish = vb2ops_vdec_buf_finish, .start_streaming = vb2ops_vdec_start_streaming, .stop_streaming = vb2ops_vdec_stop_streaming, }; const struct v4l2_ioctl_ops mtk_vdec_ioctl_ops = { .vidioc_streamon = v4l2_m2m_ioctl_streamon, .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, .vidioc_qbuf = vidioc_vdec_qbuf, .vidioc_dqbuf = vidioc_vdec_dqbuf, .vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt_vid_cap_mplane, .vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt_vid_out_mplane, .vidioc_s_fmt_vid_cap_mplane = vidioc_vdec_s_fmt, .vidioc_s_fmt_vid_out_mplane = vidioc_vdec_s_fmt, .vidioc_g_fmt_vid_cap_mplane = vidioc_vdec_g_fmt, .vidioc_g_fmt_vid_out_mplane = vidioc_vdec_g_fmt, .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, .vidioc_enum_fmt_vid_cap = vidioc_vdec_enum_fmt_vid_cap, .vidioc_enum_fmt_vid_out = vidioc_vdec_enum_fmt_vid_out, .vidioc_enum_framesizes = vidioc_enum_framesizes, .vidioc_querycap = vidioc_vdec_querycap, .vidioc_subscribe_event = vidioc_vdec_subscribe_evt, .vidioc_unsubscribe_event = v4l2_event_unsubscribe, .vidioc_g_selection = vidioc_vdec_g_selection, .vidioc_s_selection = vidioc_vdec_s_selection, .vidioc_decoder_cmd = vidioc_decoder_cmd, .vidioc_try_decoder_cmd = vidioc_try_decoder_cmd, }; int mtk_vcodec_dec_queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq) { struct mtk_vcodec_ctx *ctx = priv; int ret = 0; mtk_v4l2_debug(3, "[%d]", ctx->id); src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; src_vq->io_modes = VB2_DMABUF | VB2_MMAP; src_vq->drv_priv = ctx; src_vq->buf_struct_size = sizeof(struct mtk_video_dec_buf); src_vq->ops = &mtk_vdec_vb2_ops; src_vq->mem_ops = &vb2_dma_contig_memops; src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; src_vq->lock = &ctx->dev->dev_mutex; src_vq->dev = &ctx->dev->plat_dev->dev; ret = vb2_queue_init(src_vq); if (ret) { mtk_v4l2_err("Failed to initialize videobuf2 queue(output)"); return ret; } dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; dst_vq->io_modes = VB2_DMABUF | VB2_MMAP; dst_vq->drv_priv = ctx; dst_vq->buf_struct_size = sizeof(struct mtk_video_dec_buf); dst_vq->ops = &mtk_vdec_vb2_ops; dst_vq->mem_ops = &vb2_dma_contig_memops; dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; dst_vq->lock = &ctx->dev->dev_mutex; dst_vq->dev = &ctx->dev->plat_dev->dev; ret = vb2_queue_init(dst_vq); if (ret) { vb2_queue_release(src_vq); mtk_v4l2_err("Failed to initialize videobuf2 queue(capture)"); } return ret; }