diff mbox series

[v6,10/42] drm/mediatek: Add support for MT8195 Digital Parallel Interface

Message ID 20250211113409.1517534-11-angelogioacchino.delregno@collabora.com (mailing list archive)
State New
Headers show
Series Add support for MT8195/88 DPI, HDMIv2 and DDCv2 | expand

Commit Message

AngeloGioacchino Del Regno Feb. 11, 2025, 11:33 a.m. UTC
Add support for the DPI block found in the MT8195 and MT8188 SoCs.
Inside of the SoC, this block is directly connected to the HDMI IP.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
 drivers/gpu/drm/mediatek/mtk_dpi.c      | 24 ++++++++++++++++++++++++
 drivers/gpu/drm/mediatek/mtk_dpi_regs.h |  6 ++++++
 drivers/gpu/drm/mediatek/mtk_drm_drv.c  |  2 ++
 3 files changed, 32 insertions(+)

Comments

CK Hu (胡俊光) Feb. 14, 2025, 2:35 a.m. UTC | #1
On Tue, 2025-02-11 at 12:33 +0100, AngeloGioacchino Del Regno wrote:
> External email : Please do not click links or open attachments until you have verified the sender or the content.
> 
> 
> Add support for the DPI block found in the MT8195 and MT8188 SoCs.
> Inside of the SoC, this block is directly connected to the HDMI IP.
> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_dpi.c      | 24 ++++++++++++++++++++++++
>  drivers/gpu/drm/mediatek/mtk_dpi_regs.h |  6 ++++++
>  drivers/gpu/drm/mediatek/mtk_drm_drv.c  |  2 ++
>  3 files changed, 32 insertions(+)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
> index 67504eb874d2..e4b52ffc4414 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dpi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
> @@ -1049,6 +1049,8 @@ static const struct mtk_dpi_factor dpi_factor_mt8195_dp_intf[] = {
>         { 70000 - 1, 4 }, { 200000 - 1, 2 }, { U32_MAX, 1 }
>  };
> 
> +static const struct mtk_dpi_factor dpi_factor_mt8195_dpi = { U32_MAX, 1 };
> +
>  static const struct mtk_dpi_conf mt8173_conf = {
>         .dpi_factor = dpi_factor_mt8173,
>         .num_dpi_factor = ARRAY_SIZE(dpi_factor_mt8173),
> @@ -1141,6 +1143,27 @@ static const struct mtk_dpi_conf mt8192_conf = {
>         .csc_enable_bit = CSC_ENABLE,
>  };
> 
> +static const struct mtk_dpi_conf mt8195_conf = {
> +       .dpi_factor = &dpi_factor_mt8195_dpi,

mt8195 dpi would not use dpi_factor, so let it be NULL and drop dpi_factor_mt8195_dpi.
After this,

Reviewed-by: CK Hu <ck.hu@mediatek.com>

> +       .num_dpi_factor = 1,
> +       .max_clock_khz = 594000,
> +       .output_fmts = mt8183_output_fmts,
> +       .num_output_fmts = ARRAY_SIZE(mt8183_output_fmts),
> +       .pixels_per_iter = 1,
> +       .is_ck_de_pol = true,
> +       .swap_input_support = true,
> +       .support_direct_pin = true,
> +       .dimension_mask = HPW_MASK,
> +       .hvsize_mask = HSIZE_MASK,
> +       .channel_swap_shift = CH_SWAP,
> +       .yuv422_en_bit = YUV422_EN,
> +       .csc_enable_bit = CSC_ENABLE,
> +       .input_2p_en_bit = DPI_INPUT_2P_EN,
> +       .clocked_by_hdmi = true,
> +       .input_2pixel = true,
> +       .output_1pixel = true,
> +};
> +
>  static const struct mtk_dpi_conf mt8195_dpintf_conf = {
>         .dpi_factor = dpi_factor_mt8195_dp_intf,
>         .num_dpi_factor = ARRAY_SIZE(dpi_factor_mt8195_dp_intf),
> @@ -1245,6 +1268,7 @@ static const struct of_device_id mtk_dpi_of_ids[] = {
>         { .compatible = "mediatek,mt8188-dp-intf", .data = &mt8195_dpintf_conf },
>         { .compatible = "mediatek,mt8192-dpi", .data = &mt8192_conf },
>         { .compatible = "mediatek,mt8195-dp-intf", .data = &mt8195_dpintf_conf },
> +       { .compatible = "mediatek,mt8195-dpi", .data = &mt8195_conf },
>         { /* sentinel */ },
>  };
>  MODULE_DEVICE_TABLE(of, mtk_dpi_of_ids);
> diff --git a/drivers/gpu/drm/mediatek/mtk_dpi_regs.h b/drivers/gpu/drm/mediatek/mtk_dpi_regs.h
> index a0b1d18bbbf7..3c24d9e9f241 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dpi_regs.h
> +++ b/drivers/gpu/drm/mediatek/mtk_dpi_regs.h
> @@ -40,6 +40,12 @@
>  #define FAKE_DE_LEVEN                  BIT(21)
>  #define FAKE_DE_RODD                   BIT(22)
>  #define FAKE_DE_REVEN                  BIT(23)
> +
> +/* DPI_CON: DPI instances */
> +#define DPI_OUTPUT_1T1P_EN             BIT(24)
> +#define DPI_INPUT_2P_EN                        BIT(25)
> +
> +/* DPI_CON: DPINTF instances */
>  #define DPINTF_YUV422_EN               BIT(24)
>  #define DPINTF_CSC_ENABLE              BIT(26)
>  #define DPINTF_INPUT_2P_EN             BIT(29)
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> index f22ad2882697..772c3d0f5d14 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> @@ -810,6 +810,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = {
>           .data = (void *)MTK_DPI },
>         { .compatible = "mediatek,mt8195-dp-intf",
>           .data = (void *)MTK_DP_INTF },
> +       { .compatible = "mediatek,mt8195-dpi",
> +         .data = (void *)MTK_DPI },
>         { .compatible = "mediatek,mt2701-dsi",
>           .data = (void *)MTK_DSI },
>         { .compatible = "mediatek,mt8173-dsi",
> --
> 2.48.1
>
diff mbox series

Patch

diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
index 67504eb874d2..e4b52ffc4414 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -1049,6 +1049,8 @@  static const struct mtk_dpi_factor dpi_factor_mt8195_dp_intf[] = {
 	{ 70000 - 1, 4 }, { 200000 - 1, 2 }, { U32_MAX, 1 }
 };
 
+static const struct mtk_dpi_factor dpi_factor_mt8195_dpi = { U32_MAX, 1 };
+
 static const struct mtk_dpi_conf mt8173_conf = {
 	.dpi_factor = dpi_factor_mt8173,
 	.num_dpi_factor = ARRAY_SIZE(dpi_factor_mt8173),
@@ -1141,6 +1143,27 @@  static const struct mtk_dpi_conf mt8192_conf = {
 	.csc_enable_bit = CSC_ENABLE,
 };
 
+static const struct mtk_dpi_conf mt8195_conf = {
+	.dpi_factor = &dpi_factor_mt8195_dpi,
+	.num_dpi_factor = 1,
+	.max_clock_khz = 594000,
+	.output_fmts = mt8183_output_fmts,
+	.num_output_fmts = ARRAY_SIZE(mt8183_output_fmts),
+	.pixels_per_iter = 1,
+	.is_ck_de_pol = true,
+	.swap_input_support = true,
+	.support_direct_pin = true,
+	.dimension_mask = HPW_MASK,
+	.hvsize_mask = HSIZE_MASK,
+	.channel_swap_shift = CH_SWAP,
+	.yuv422_en_bit = YUV422_EN,
+	.csc_enable_bit = CSC_ENABLE,
+	.input_2p_en_bit = DPI_INPUT_2P_EN,
+	.clocked_by_hdmi = true,
+	.input_2pixel = true,
+	.output_1pixel = true,
+};
+
 static const struct mtk_dpi_conf mt8195_dpintf_conf = {
 	.dpi_factor = dpi_factor_mt8195_dp_intf,
 	.num_dpi_factor = ARRAY_SIZE(dpi_factor_mt8195_dp_intf),
@@ -1245,6 +1268,7 @@  static const struct of_device_id mtk_dpi_of_ids[] = {
 	{ .compatible = "mediatek,mt8188-dp-intf", .data = &mt8195_dpintf_conf },
 	{ .compatible = "mediatek,mt8192-dpi", .data = &mt8192_conf },
 	{ .compatible = "mediatek,mt8195-dp-intf", .data = &mt8195_dpintf_conf },
+	{ .compatible = "mediatek,mt8195-dpi", .data = &mt8195_conf },
 	{ /* sentinel */ },
 };
 MODULE_DEVICE_TABLE(of, mtk_dpi_of_ids);
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi_regs.h b/drivers/gpu/drm/mediatek/mtk_dpi_regs.h
index a0b1d18bbbf7..3c24d9e9f241 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi_regs.h
+++ b/drivers/gpu/drm/mediatek/mtk_dpi_regs.h
@@ -40,6 +40,12 @@ 
 #define FAKE_DE_LEVEN			BIT(21)
 #define FAKE_DE_RODD			BIT(22)
 #define FAKE_DE_REVEN			BIT(23)
+
+/* DPI_CON: DPI instances */
+#define DPI_OUTPUT_1T1P_EN		BIT(24)
+#define DPI_INPUT_2P_EN			BIT(25)
+
+/* DPI_CON: DPINTF instances */
 #define DPINTF_YUV422_EN		BIT(24)
 #define DPINTF_CSC_ENABLE		BIT(26)
 #define DPINTF_INPUT_2P_EN		BIT(29)
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index f22ad2882697..772c3d0f5d14 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -810,6 +810,8 @@  static const struct of_device_id mtk_ddp_comp_dt_ids[] = {
 	  .data = (void *)MTK_DPI },
 	{ .compatible = "mediatek,mt8195-dp-intf",
 	  .data = (void *)MTK_DP_INTF },
+	{ .compatible = "mediatek,mt8195-dpi",
+	  .data = (void *)MTK_DPI },
 	{ .compatible = "mediatek,mt2701-dsi",
 	  .data = (void *)MTK_DSI },
 	{ .compatible = "mediatek,mt8173-dsi",