Re: [RFC PATCH v2 5/7] media: imx: fsl_asrc: Add memory to memory driver

Daniel Baluta
2023-08-01T14:15:37Z

On Tue, Jul 25, 2023 at 10:31 AM Shengjiu Wang <shengjiu.wang@nxp.com> wrote:
>
> Implement the ASRC memory to memory function using
> the v4l2 framework, user can use this function with
> v4l2 ioctl interface.
>
> User send the output and capture buffer to driver and
> driver store the converted data to the capture buffer.
>
> This feature can be shared by ASRC and EASRC drivers
>
> Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
> ---
> drivers/media/platform/nxp/Kconfig | 12 +
> drivers/media/platform/nxp/Makefile | 1 +
> drivers/media/platform/nxp/fsl_asrc_m2m.c | 962 ++++++++++++++++++++++
> include/sound/fsl_asrc_common.h | 9 +
> 4 files changed, 984 insertions(+)
> create mode 100644 drivers/media/platform/nxp/fsl_asrc_m2m.c
>
> diff --git a/drivers/media/platform/nxp/Kconfig b/drivers/media/platform/nxp/Kconfig
> index a0ca6b297fb8..359f11fe2a80 100644
> --- a/drivers/media/platform/nxp/Kconfig
> +++ b/drivers/media/platform/nxp/Kconfig
> @@ -56,3 +56,15 @@ config VIDEO_MX2_EMMAPRP
>
> source "drivers/media/platform/nxp/dw100/Kconfig"
> source "drivers/media/platform/nxp/imx-jpeg/Kconfig"
> +
> +config VIDEO_FSL_ASRC_M2M
> + tristate "MXP i.MX ASRC M2M support"

s/MXP/NXP

> + depends on V4L_MEM2MEM_DRIVERS
> + depends on MEDIA_SUPPORT
> + select VIDEOBUF2_DMA_CONTIG
> + select V4L2_MEM2MEM_DEV
> + help
> + Say Y if you want to add ASRC M2M support for NXP CPUs.
> + It is a completement for ASRC M2P and ASRC P2M features.

Complement for?