| /* |
| * 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. |
| */ |
| |
| #include <media/v4l2-event.h> |
| #include <media/v4l2-mem2mem.h> |
| #include <media/videobuf2-dma-contig.h> |
| |
| #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 struct mtk_video_fmt mtk_video_formats[] = { |
| { |
| .fourcc = V4L2_PIX_FMT_H264, |
| .type = MTK_FMT_DEC, |
| .num_planes = 1, |
| }, |
| { |
| .fourcc = V4L2_PIX_FMT_VP8, |
| .type = MTK_FMT_DEC, |
| .num_planes = 1, |
| }, |
| { |
| .fourcc = V4L2_PIX_FMT_VP9, |
| .type = MTK_FMT_DEC, |
| .num_planes = 1, |
| }, |
| { |
| .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 struct mtk_video_fmt *mtk_vdec_find_format(struct v4l2_format *f) |
| { |
| 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.y_bs_sz); |
| vb2_set_plane_payload(&dstbuf->vb.vb2_buf, 1, |
| ctx->picinfo.c_bs_sz); |
| |
| dstbuf->ready_to_display = true; |
| |
| 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 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.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_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; |
| struct vb2_v4l2_buffer *dst_vb2_v4l2, *src_vb2_v4l2; |
| |
| 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_vb2_v4l2 = container_of(src_buf, struct vb2_v4l2_buffer, vb2_buf); |
| src_buf_info = container_of(src_vb2_v4l2, struct mtk_video_dec_buf, vb); |
| |
| dst_vb2_v4l2 = container_of(dst_buf, struct vb2_v4l2_buffer, vb2_buf); |
| dst_buf_info = container_of(dst_vb2_v4l2, struct mtk_video_dec_buf, vb); |
| |
| pfb = &dst_buf_info->frame_buffer; |
| pfb->base_y.va = vb2_plane_vaddr(dst_buf, 0); |
| pfb->base_y.dma_addr = vb2_dma_contig_plane_dma_addr(dst_buf, 0); |
| pfb->base_y.size = ctx->picinfo.y_bs_sz + ctx->picinfo.y_len_sz; |
| |
| pfb->base_c.va = vb2_plane_vaddr(dst_buf, 1); |
| pfb->base_c.dma_addr = vb2_dma_contig_plane_dma_addr(dst_buf, 1); |
| pfb->base_c.size = ctx->picinfo.c_bs_sz + ctx->picinfo.c_len_sz; |
| 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->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); |
| vb2_set_plane_payload(&dst_buf_info->vb.vb2_buf, 1, 0); |
| dst_vb2_v4l2->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, 0); |
| buf.dma_addr = vb2_dma_contig_plane_dma_addr(src_buf, 0); |
| buf.size = (size_t)src_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->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->index, |
| buf.size, |
| src_buf_info->vb.vb2_buf.timestamp, |
| dst_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, 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) |
| { |
| 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; |
| 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; |
| 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; |
| 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; |
| } |
| |
| 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); |
| } |
| } |
| |
| 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 = f->fmt.pix_mp.colorspace; |
| ctx->ycbcr_enc = f->fmt.pix_mp.ycbcr_enc; |
| ctx->quantization = f->fmt.pix_mp.quantization; |
| ctx->xfer_func = f->fmt.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) |
| { |
| 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; |
| |
| return 0; |
| } |
| |
| static int vidioc_vdec_enum_fmt_vid_cap_mplane(struct file *file, void *pirv, |
| struct v4l2_fmtdesc *f) |
| { |
| return vidioc_enum_fmt(f, false); |
| } |
| |
| static int vidioc_vdec_enum_fmt_vid_out_mplane(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.y_bs_sz + |
| ctx->picinfo.y_len_sz; |
| q_data->sizeimage[1] = ctx->picinfo.c_bs_sz + |
| ctx->picinfo.c_len_sz; |
| 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; |
| |
| /* |
| * 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_buffer *src_buf; |
| struct mtk_vcodec_mem src_mem; |
| bool res_chg = false; |
| int ret = 0; |
| unsigned int dpbsize = 1; |
| 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; |
| |
| 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; |
| buf->ready_to_display = false; |
| } else { |
| buf->queued_in_vb2 = false; |
| buf->queued_in_v4l2 = true; |
| buf->ready_to_display = false; |
| } |
| 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; |
| } |
| vb2_v4l2 = to_vb2_v4l2_buffer(src_buf); |
| buf = container_of(vb2_v4l2, 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, 0); |
| src_mem.dma_addr = vb2_dma_contig_plane_dma_addr(src_buf, 0); |
| src_mem.size = (size_t)src_buf->planes[0].bytesused; |
| mtk_v4l2_debug(2, |
| "[%d] buf id=%d va=%p dma=%pad size=%zx", |
| ctx->id, src_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 menas 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(to_vb2_v4l2_buffer(src_buf), |
| VB2_BUF_STATE_ERROR); |
| } else { |
| v4l2_m2m_buf_done(to_vb2_v4l2_buffer(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->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; |
| ctx->q_data[MTK_Q_DATA_DST].sizeimage[0] = |
| ctx->picinfo.y_bs_sz + |
| ctx->picinfo.y_len_sz; |
| ctx->q_data[MTK_Q_DATA_DST].bytesperline[0] = |
| ctx->picinfo.buf_w; |
| ctx->q_data[MTK_Q_DATA_DST].sizeimage[1] = |
| ctx->picinfo.c_bs_sz + |
| ctx->picinfo.c_len_sz; |
| ctx->q_data[MTK_Q_DATA_DST].bytesperline[1] = 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, |
| ctx->q_data[MTK_Q_DATA_DST].sizeimage[0], |
| ctx->q_data[MTK_Q_DATA_DST].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->ready_to_display = 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_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 vb2_v4l2_buffer *vb2_v4l2 = |
| to_vb2_v4l2_buffer(src_buf); |
| struct mtk_video_dec_buf *buf_info = container_of( |
| vb2_v4l2, struct mtk_video_dec_buf, vb); |
| if (!buf_info->lastframe) |
| v4l2_m2m_buf_done(vb2_v4l2, |
| 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, 0, 0); |
| vb2_set_plane_payload(dst_buf, 1, 0); |
| v4l2_m2m_buf_done(to_vb2_v4l2_buffer(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_mplane = vidioc_vdec_enum_fmt_vid_cap_mplane, |
| .vidioc_enum_fmt_vid_out_mplane = vidioc_vdec_enum_fmt_vid_out_mplane, |
| .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; |
| } |