#define CODADX6_MAX_INSTANCES 4
#define CODA_MAX_FORMATS 4
-#define CODA_PARA_BUF_SIZE (10 * 1024)
#define CODA_ISRAM_SIZE (2048 * 2)
#define MIN_W 176
return coda_s_fmt(ctx, &f_cap);
}
+static int coda_reqbufs(struct file *file, void *priv,
+ struct v4l2_requestbuffers *rb)
+{
+ struct coda_ctx *ctx = fh_to_ctx(priv);
+ int ret;
+
+ ret = v4l2_m2m_reqbufs(file, ctx->fh.m2m_ctx, rb);
+ if (ret)
+ return ret;
+
+ /*
+ * Allow to allocate instance specific per-context buffers, such as
+ * bitstream ringbuffer, slice buffer, work buffer, etc. if needed.
+ */
+ if (rb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT && ctx->ops->reqbufs)
+ return ctx->ops->reqbufs(ctx, rb);
+
+ return 0;
+}
+
static int coda_qbuf(struct file *file, void *priv,
struct v4l2_buffer *buf)
{
.vidioc_try_fmt_vid_out = coda_try_fmt_vid_out,
.vidioc_s_fmt_vid_out = coda_s_fmt_vid_out,
- .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
+ .vidioc_reqbufs = coda_reqbufs,
.vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
.vidioc_qbuf = coda_qbuf,
mutex_lock(&ctx->bitstream_mutex);
v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb);
if (vb2_is_streaming(vb->vb2_queue))
- coda_fill_bitstream(ctx);
+ coda_fill_bitstream(ctx, true);
mutex_unlock(&ctx->bitstream_mutex);
} else {
v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb);
buf->vaddr, buf->paddr);
buf->vaddr = NULL;
buf->size = 0;
+ debugfs_remove(buf->dentry);
+ buf->dentry = NULL;
}
- debugfs_remove(buf->dentry);
}
static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
if (q_data_src->fourcc == V4L2_PIX_FMT_H264 ||
(q_data_src->fourcc == V4L2_PIX_FMT_JPEG &&
ctx->dev->devtype->product == CODA_7541)) {
- /* copy the buffers that where queued before streamon */
+ /* copy the buffers that were queued before streamon */
mutex_lock(&ctx->bitstream_mutex);
- coda_fill_bitstream(ctx);
+ coda_fill_bitstream(ctx, false);
mutex_unlock(&ctx->bitstream_mutex);
if (coda_get_bitstream_payload(ctx) < 512) {
if (!(ctx->streamon_out & ctx->streamon_cap))
return 0;
+ q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
+ if ((q_data_src->width != q_data_dst->width &&
+ round_up(q_data_src->width, 16) != q_data_dst->width) ||
+ (q_data_src->height != q_data_dst->height &&
+ round_up(q_data_src->height, 16) != q_data_dst->height)) {
+ v4l2_err(v4l2_dev, "can't convert %dx%d to %dx%d\n",
+ q_data_src->width, q_data_src->height,
+ q_data_dst->width, q_data_dst->height);
+ ret = -EINVAL;
+ goto err;
+ }
+
/* Allow BIT decoder device_run with no new buffers queued */
if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit)
v4l2_m2m_set_src_buffered(ctx->fh.m2m_ctx, true);
ctx->gopcounter = ctx->params.gop_size - 1;
- q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
ctx->codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
q_data_dst->fourcc);
struct coda_ctx *ctx = vb2_get_drv_priv(q);
struct coda_dev *dev = ctx->dev;
struct vb2_buffer *buf;
+ bool stop;
+
+ stop = ctx->streamon_out && ctx->streamon_cap;
if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
}
- if (!ctx->streamon_out && !ctx->streamon_cap) {
+ if (stop) {
struct coda_buffer_meta *meta;
if (ctx->ops->seq_end_work) {
static void coda_encode_ctrls(struct coda_ctx *ctx)
{
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
- V4L2_CID_MPEG_VIDEO_BITRATE, 0, 32767000, 1, 0);
+ V4L2_CID_MPEG_VIDEO_BITRATE, 0, 32767000, 1000, 0);
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 60, 1, 16);
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
vq->lock = &ctx->dev->dev_mutex;
+ /* One way to indicate end-of-stream for coda is to set the
+ * bytesused == 0. However by default videobuf2 handles bytesused
+ * equal to 0 as a special case and changes its value to the size
+ * of the buffer. Set the allow_zero_bytesused flag, so
+ * that videobuf2 will keep the value of bytesused intact.
+ */
+ vq->allow_zero_bytesused = 1;
return vb2_queue_init(vq);
}
set_bit(idx, &dev->instance_mask);
name = kasprintf(GFP_KERNEL, "context%d", idx);
+ if (!name) {
+ ret = -ENOMEM;
+ goto err_coda_name_init;
+ }
+
ctx->debugfs_entry = debugfs_create_dir(name, dev->debugfs_root);
kfree(name);
ctx->fh.ctrl_handler = &ctx->ctrls;
- if (ctx->use_bit) {
- ret = coda_alloc_context_buf(ctx, &ctx->parabuf,
- CODA_PARA_BUF_SIZE, "parabuf");
- if (ret < 0) {
- v4l2_err(&dev->v4l2_dev, "failed to allocate parabuf");
- goto err_dma_alloc;
- }
- }
- if (ctx->use_bit && ctx->inst_type == CODA_INST_DECODER) {
- ctx->bitstream.size = CODA_MAX_FRAME_SIZE;
- ctx->bitstream.vaddr = dma_alloc_writecombine(
- &dev->plat_dev->dev, ctx->bitstream.size,
- &ctx->bitstream.paddr, GFP_KERNEL);
- if (!ctx->bitstream.vaddr) {
- v4l2_err(&dev->v4l2_dev,
- "failed to allocate bitstream ringbuffer");
- ret = -ENOMEM;
- goto err_dma_writecombine;
- }
- }
- kfifo_init(&ctx->bitstream_fifo,
- ctx->bitstream.vaddr, ctx->bitstream.size);
mutex_init(&ctx->bitstream_mutex);
mutex_init(&ctx->buffer_mutex);
INIT_LIST_HEAD(&ctx->buffer_meta_list);
return 0;
-err_dma_writecombine:
- if (ctx->dev->devtype->product == CODA_DX6)
- coda_free_aux_buf(dev, &ctx->workbuf);
- coda_free_aux_buf(dev, &ctx->parabuf);
-err_dma_alloc:
- v4l2_ctrl_handler_free(&ctx->ctrls);
err_ctrls_setup:
v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
err_ctx_init:
v4l2_fh_del(&ctx->fh);
v4l2_fh_exit(&ctx->fh);
clear_bit(ctx->idx, &dev->instance_mask);
+err_coda_name_init:
err_coda_max:
kfree(ctx);
return ret;
list_del(&ctx->list);
coda_unlock(ctx);
- if (ctx->bitstream.vaddr) {
- dma_free_writecombine(&dev->plat_dev->dev, ctx->bitstream.size,
- ctx->bitstream.vaddr, ctx->bitstream.paddr);
- }
if (ctx->dev->devtype->product == CODA_DX6)
coda_free_aux_buf(dev, &ctx->workbuf);
- coda_free_aux_buf(dev, &ctx->parabuf);
v4l2_ctrl_handler_free(&ctx->ctrls);
clk_disable_unprepare(dev->clk_ahb);
clk_disable_unprepare(dev->clk_per);
if (i >= dev->devtype->num_vdevs)
return -EINVAL;
- snprintf(vfd->name, sizeof(vfd->name), "%s",
- dev->devtype->vdevs[i]->name);
+ strlcpy(vfd->name, dev->devtype->vdevs[i]->name, sizeof(vfd->name));
vfd->fops = &coda_fops;
vfd->ioctl_ops = &coda_ioctl_ops;
vfd->release = video_device_release_empty,
/* allocate auxiliary per-device code buffer for the BIT processor */
ret = coda_alloc_aux_buf(dev, &dev->codebuf, fw->size, "codebuf",
dev->debugfs_root);
- if (ret < 0) {
- dev_err(&pdev->dev, "failed to allocate code buffer\n");
+ if (ret < 0)
goto put_pm;
- }
/* Copy the whole firmware image to the code buffer */
memcpy(dev->codebuf.vaddr, fw->data, fw->size);
ret = coda_alloc_aux_buf(dev, &dev->workbuf,
dev->devtype->workbuf_size, "workbuf",
dev->debugfs_root);
- if (ret < 0) {
- dev_err(&pdev->dev, "failed to allocate work buffer\n");
+ if (ret < 0)
goto err_v4l2_register;
- }
}
if (dev->devtype->tempbuf_size) {
ret = coda_alloc_aux_buf(dev, &dev->tempbuf,
dev->devtype->tempbuf_size, "tempbuf",
dev->debugfs_root);
- if (ret < 0) {
- dev_err(&pdev->dev, "failed to allocate temp buffer\n");
+ if (ret < 0)
goto err_v4l2_register;
- }
}
dev->iram.size = dev->devtype->iram_size;
projects / firefly-linux-kernel-4.4.55.git / blobdiff