diff options
Diffstat (limited to 'drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c')
| -rw-r--r-- | drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c | 1531 |
1 files changed, 1531 insertions, 0 deletions
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c new file mode 100644 index 000000000..c768a587a --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c @@ -0,0 +1,1531 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2016 MediaTek Inc. + * Author: PC Chen <pc.chen@mediatek.com> + * Tiffany Lin <tiffany.lin@mediatek.com> + */ + +#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 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; + struct vb2_v4l2_buffer *vb; + + 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); + vb = &dstbuf->m2m_buf.vb; + mutex_lock(&ctx->lock); + if (dstbuf->used) { + vb2_set_plane_payload(&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(&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, + vb->vb2_buf.index, + dstbuf->queued_in_vb2); + + v4l2_m2m_buf_done(vb, VB2_BUF_STATE_DONE); + ctx->decoded_frame_cnt++; + } + mutex_unlock(&ctx->lock); + return &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; + struct vb2_v4l2_buffer *vb; + + 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); + vb = &dstbuf->m2m_buf.vb; + + 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, + vb->vb2_buf.index, + dstbuf->queued_in_vb2); + v4l2_m2m_buf_queue(ctx->m2m_ctx, vb); + } else if (!dstbuf->queued_in_vb2 && dstbuf->queued_in_v4l2) { + /* + * 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, + vb->vb2_buf.index); + v4l2_m2m_buf_queue(ctx->m2m_ctx, 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, + vb->vb2_buf.index, + dstbuf->queued_in_vb2, + dstbuf->queued_in_v4l2); + } + dstbuf->used = false; + } + mutex_unlock(&ctx->lock); + return &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, + m2m_buf.vb); + dst_buf_info = container_of(dst_buf, struct mtk_video_dec_buf, + m2m_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->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); + dst_buf->flags |= V4L2_BUF_FLAG_LAST; + v4l2_m2m_buf_done(dst_buf, 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->vb2_buf.timestamp = src_buf->vb2_buf.timestamp; + dst_buf->timecode = src_buf->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->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, VB2_BUF_STATE_ERROR); + } else if (!res_chg) { + /* + * 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, 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->m2m_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, + m2m_buf.vb); + mutex_lock(&ctx->lock); + if (!buf->used) { + 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, m2m_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, m2m_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, m2m_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, m2m_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) + mtk_v4l2_err("Failed to initialize videobuf2 queue(capture)"); + + return ret; +} |