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Hence implement the gasket callbacks in order to add ISI support for i.MX93. Signed-off-by: Guoniu.zhou --- .../platform/nxp/imx8-isi/imx8-isi-core.c | 20 ++++++++++++++++++ .../platform/nxp/imx8-isi/imx8-isi-core.h | 12 +++++++++++ .../platform/nxp/imx8-isi/imx8-isi-gasket.c | 21 +++++++++++++++++++ 3 files changed, 53 insertions(+) diff --git a/drivers/media/platform/nxp/imx8-isi/imx8-isi-core.c b/drivers/media/platform/nxp/imx8-isi/imx8-isi-core.c index d645b2f6fa5a..24c40e4cfef5 100644 --- a/drivers/media/platform/nxp/imx8-isi/imx8-isi-core.c +++ b/drivers/media/platform/nxp/imx8-isi/imx8-isi-core.c @@ -313,6 +313,25 @@ static const struct mxc_isi_plat_data mxc_imx8mp_data = { .has_36bit_dma = true, }; +static const struct mxc_gasket_ops mxc_imx93_gasket_ops = { + .enable = mxc_imx93_gasket_enable, + .disable = mxc_imx93_gasket_disable, +}; + +static const struct mxc_isi_plat_data mxc_imx93_data = { + .model = MXC_ISI_IMX93, + .num_ports = 1, + .num_channels = 1, + .reg_offset = 0, + .ier_reg = &mxc_imx8_isi_ier_v2, + .set_thd = &mxc_imx8_isi_thd_v1, + .clks = mxc_imx8mn_clks, + .num_clks = ARRAY_SIZE(mxc_imx8mn_clks), + .buf_active_reverse = true, + .gasket_ops = &mxc_imx93_gasket_ops, + .has_36bit_dma = false, +}; + /* ----------------------------------------------------------------------------- * Power management */ @@ -524,6 +543,7 @@ static int mxc_isi_remove(struct platform_device *pdev) static const struct of_device_id mxc_isi_of_match[] = { { .compatible = "fsl,imx8mn-isi", .data = &mxc_imx8mn_data }, { .compatible = "fsl,imx8mp-isi", .data = &mxc_imx8mp_data }, + { .compatible = "fsl,imx93-isi", .data = &mxc_imx93_data }, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, mxc_isi_of_match); diff --git a/drivers/media/platform/nxp/imx8-isi/imx8-isi-core.h b/drivers/media/platform/nxp/imx8-isi/imx8-isi-core.h index 4f920d650153..f5be5394981e 100644 --- a/drivers/media/platform/nxp/imx8-isi/imx8-isi-core.h +++ b/drivers/media/platform/nxp/imx8-isi/imx8-isi-core.h @@ -73,6 +73,11 @@ struct v4l2_m2m_dev; #define GASKET_HSIZE 0x0004 #define GASKET_VSIZE 0x0008 +/* dispmix_GPR register (i.MX93 only) */ +#define DISP_MIX_CAMERA_MUX 0x30 +#define DISP_MIX_CAMERA_MUX_DATA_TYPE(x) (((x) & 0x3f) << 3) +#define DISP_MIX_CAMERA_MUX_GASKET_ENABLE BIT(16) + struct mxc_isi_dev; struct mxc_isi_m2m_ctx; @@ -172,6 +177,7 @@ struct mxc_gasket_ops { enum model { MXC_ISI_IMX8MN, MXC_ISI_IMX8MP, + MXC_ISI_IMX93, }; struct mxc_isi_plat_data { @@ -407,6 +413,12 @@ int mxc_imx8_gasket_enable(struct mxc_isi_dev *isi, const unsigned int port); void mxc_imx8_gasket_disable(struct mxc_isi_dev *isi, const unsigned int port); +int mxc_imx93_gasket_enable(struct mxc_isi_dev *isi, + const struct v4l2_mbus_frame_desc *fd, + const struct v4l2_mbus_framefmt *fmt, + const unsigned int port); +void mxc_imx93_gasket_disable(struct mxc_isi_dev *isi, const unsigned int port); + #if IS_ENABLED(CONFIG_DEBUG_FS) void mxc_isi_debug_init(struct mxc_isi_dev *isi); void mxc_isi_debug_cleanup(struct mxc_isi_dev *isi); diff --git a/drivers/media/platform/nxp/imx8-isi/imx8-isi-gasket.c b/drivers/media/platform/nxp/imx8-isi/imx8-isi-gasket.c index 39f8d0e8b15d..a81c4249a26f 100644 --- a/drivers/media/platform/nxp/imx8-isi/imx8-isi-gasket.c +++ b/drivers/media/platform/nxp/imx8-isi/imx8-isi-gasket.c @@ -30,3 +30,24 @@ void mxc_imx8_gasket_disable(struct mxc_isi_dev *isi, const unsigned int port) { regmap_write(isi->gasket, GASKET_BASE(port) + GASKET_CTRL, 0); } + +/* Configure and enable gasket for i.MX93 */ +int mxc_imx93_gasket_enable(struct mxc_isi_dev *isi, + const struct v4l2_mbus_frame_desc *fd, + const struct v4l2_mbus_framefmt *fmt, + const unsigned int port) +{ + u32 val; + + val = DISP_MIX_CAMERA_MUX_DATA_TYPE(fd->entry[0].bus.csi2.dt); + val |= DISP_MIX_CAMERA_MUX_GASKET_ENABLE; + regmap_write(isi->gasket, DISP_MIX_CAMERA_MUX, val); + + return 0; +} + +void mxc_imx93_gasket_disable(struct mxc_isi_dev *isi, + unsigned int port) +{ + regmap_write(isi->gasket, DISP_MIX_CAMERA_MUX, 0); +}