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staging: media: tegra-video: add a per-soc enable/disable op 

The Tegra20 VI needs an additional operation to enable the VI, add an
operation for that.

Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Luca Ceresoli 2023-04-18 10:00:49 +02:00 committed by Hans Verkuil
parent 3bc46d752e
commit ef9435a5b4
2 changed files with 11 additions and 0 deletions
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7
drivers/staging/media/tegra-video/vi.c
View File

@ -1952,6 +1952,9 @@ static int tegra_vi_probe(struct platform_device *pdev)
vi->client.ops = &vi_client_ops;
vi->client.dev = &pdev->dev;
if (vi->ops->vi_enable)
vi->ops->vi_enable(vi, true);
ret = host1x_client_register(&vi->client);
if (ret < 0) {
dev_err(&pdev->dev,
@ -1962,6 +1965,8 @@ static int tegra_vi_probe(struct platform_device *pdev)
return 0;
rpm_disable:
if (vi->ops->vi_enable)
vi->ops->vi_enable(vi, false);
pm_runtime_disable(&pdev->dev);
return ret;
}
@ -1972,6 +1977,8 @@ static int tegra_vi_remove(struct platform_device *pdev)
host1x_client_unregister(&vi->client);
if (vi->ops->vi_enable)
vi->ops->vi_enable(vi, false);
pm_runtime_disable(&pdev->dev);
return 0;

4
drivers/staging/media/tegra-video/vi.h
View File

@ -37,8 +37,11 @@ enum tegra_vi_pg_mode {
TEGRA_VI_PG_PATCH,
};
struct tegra_vi;
/**
* struct tegra_vi_ops - Tegra VI operations
* @vi_enable: soc-specific operations needed to enable/disable the VI peripheral
* @vi_fmt_align: modify `pix` to fit the hardware alignment
* requirements and fill image geometry
* @vi_start_streaming: starts media pipeline, subdevice streaming, sets up
@ -48,6 +51,7 @@ enum tegra_vi_pg_mode {
* back any queued buffers.
*/
struct tegra_vi_ops {
int (*vi_enable)(struct tegra_vi *vi, bool on);
void (*vi_fmt_align)(struct v4l2_pix_format *pix, unsigned int bpp);
int (*vi_start_streaming)(struct vb2_queue *vq, u32 count);
void (*vi_stop_streaming)(struct vb2_queue *vq);