linux-kernel - Re: [PATCH v3 04/14] media: rkisp1: Add match data for i.MX8MP ISP

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Message-ID: <CAHCN7xJcKw5RRS0siyYEwJws049YFkh-zkyRQJsb8dgiLVoh3A@mail.gmail.com>
Date:   Wed, 18 Oct 2023 12:41:56 -0500
From:   Adam Ford <aford173@...il.com>
To:     Paul Elder <paul.elder@...asonboard.com>
Cc:     linux-media@...r.kernel.org, Dafna Hirschfeld <dafna@...tmail.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Helen Koike <helen.koike@...labora.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Rob Herring <robh@...nel.org>
Subject: Re: [PATCH v3 04/14] media: rkisp1: Add match data for i.MX8MP ISP

On Fri, Nov 18, 2022 at 3:44 AM Paul Elder <paul.elder@...asonboard.com> wrote:
>
> Add match data to the rkisp1 driver to match the i.MX8MP ISP.
>
> Although the new version number isn't very precise, it ought to be fine
> as the other version numbers aren't precise either, and we have separate
> feature flags for important version-specific features. Despite this
> version number being seemingly unimportant, it is added to distinguish
> it from the ISP versions integrated in rockchip SoCs.
>
> Signed-off-by: Paul Elder <paul.elder@...asonboard.com>
> Reviewed-by: Rob Herring <robh@...nel.org>
>

Paul,

It's been nearly a year since this commit was sent.  I noticed it
hasn't been applied, and I was curious to know if there is any
movement here?  I'm happy to test on my 8MP if necessary.

Thanks!

adam

> ---
> Changes in v3:
> - Remove todo for improving the version number
> - Expand the commit message to address the version number
> ---
>  .../platform/rockchip/rkisp1/rkisp1-dev.c     | 22 +++++++++++++++++++
>  include/uapi/linux/rkisp1-config.h            |  2 ++
>  2 files changed, 24 insertions(+)
>
> diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
> index e348d8c86861..69464ce91d59 100644
> --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
> +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
> @@ -496,6 +496,24 @@ static const struct rkisp1_info rk3399_isp_info = {
>         .features = RKISP1_FEATURE_MIPI_CSI2,
>  };
>
> +static const char * const imx8mp_isp_clks[] = {
> +       "isp",
> +       "hclk",
> +       "aclk",
> +};
> +
> +static const struct rkisp1_isr_data imx8mp_isp_isrs[] = {
> +       { NULL, rkisp1_isr },
> +};
> +
> +static const struct rkisp1_info imx8mp_isp_info = {
> +       .clks = imx8mp_isp_clks,
> +       .clk_size = ARRAY_SIZE(imx8mp_isp_clks),
> +       .isrs = imx8mp_isp_isrs,
> +       .isr_size = ARRAY_SIZE(imx8mp_isp_isrs),
> +       .isp_ver = IMX8MP_V10,
> +};
> +
>  static const struct of_device_id rkisp1_of_match[] = {
>         {
>                 .compatible = "rockchip,px30-cif-isp",
> @@ -505,6 +523,10 @@ static const struct of_device_id rkisp1_of_match[] = {
>                 .compatible = "rockchip,rk3399-cif-isp",
>                 .data = &rk3399_isp_info,
>         },
> +       {
> +               .compatible = "fsl,imx8mp-isp",
> +               .data = &imx8mp_isp_info,
> +       },
>         {},
>  };
>  MODULE_DEVICE_TABLE(of, rkisp1_of_match);
> diff --git a/include/uapi/linux/rkisp1-config.h b/include/uapi/linux/rkisp1-config.h
> index 730673ecc63d..f602442c2018 100644
> --- a/include/uapi/linux/rkisp1-config.h
> +++ b/include/uapi/linux/rkisp1-config.h
> @@ -179,12 +179,14 @@
>   * @RKISP1_V11: declared in the original vendor code, but not used
>   * @RKISP1_V12: used at least in rk3326 and px30
>   * @RKISP1_V13: used at least in rk1808
> + * @IMX8MP_V10: used in at least imx8mp
>   */
>  enum rkisp1_cif_isp_version {
>         RKISP1_V10 = 10,
>         RKISP1_V11,
>         RKISP1_V12,
>         RKISP1_V13,
> +       IMX8MP_V10,
>  };
>
>  enum rkisp1_cif_isp_histogram_mode {
> --
> 2.35.1
>