Re: [PATCH v6 09/10] drm/mediatek: add support for Mediatek SoC MT2701

CK Hu
2016-08-05T06:36:27Z

Hi, YT:

On Thu, 2016-08-04 at 19:07 +0800, YT Shen wrote:
> This patch add support for the Mediatek MT2701 DISP subsystem.
> There is only one OVL engine in MT2701.
>
> Signed-off-by: YT Shen <yt.shen@mediatek.com>
> ---
> drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 6 ++++++
> drivers/gpu/drm/mediatek/mtk_disp_rdma.c | 6 ++++++
> drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 17 +++++++++++++++
> drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 7 ++++++
> drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 1 +
> drivers/gpu/drm/mediatek/mtk_drm_drv.c | 29 +++++++++++++++++++++++++
> drivers/gpu/drm/mediatek/mtk_dsi.c | 1 +
> drivers/gpu/drm/mediatek/mtk_mipi_tx.c | 31 ++++++++++++++++++++++++++-
> 8 files changed, 97 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> index eb5c05e..1da0a71 100644
> --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> @@ -286,11 +286,17 @@ static int mtk_disp_ovl_remove(struct platform_device *pdev)
> return 0;
> }
>
> +static const struct mtk_ddp_comp_driver_data mt2701_ovl_driver_data = {
> + .ovl = {0x0040, 1 << 12, 0}
> +};
> +
> static const struct mtk_ddp_comp_driver_data mt8173_ovl_driver_data = {
> .ovl = {0x0f40, 0, 1 << 12}
> };
>
> static const struct of_device_id mtk_disp_ovl_driver_dt_match[] = {
> + { .compatible = "mediatek,mt2701-disp-ovl",
> + .data = &mt2701_ovl_driver_data},
> { .compatible = "mediatek,mt8173-disp-ovl",
> .data = &mt8173_ovl_driver_data},
> {},
> diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
> index fb0db50..506a353 100644
> --- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
> +++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
> @@ -225,11 +225,17 @@ static int mtk_disp_rdma_remove(struct platform_device *pdev)
> return 0;
> }
>
> +static const struct mtk_ddp_comp_driver_data mt2701_rdma_driver_data = {
> + .rdma_fifo_pseudo_size = SZ_4K,
> +};
> +
> static const struct mtk_ddp_comp_driver_data mt8173_rdma_driver_data = {
> .rdma_fifo_pseudo_size = SZ_8K,
> };
>
> static const struct of_device_id mtk_disp_rdma_driver_dt_match[] = {
> + { .compatible = "mediatek,mt2701-disp-rdma",
> + .data = &mt2701_rdma_driver_data},
> { .compatible = "mediatek,mt8173-disp-rdma",
> .data = &mt8173_rdma_driver_data},
> {},
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> index a9b209c..8130f3d 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> @@ -60,6 +60,13 @@
> #define MT8173_MUTEX_MOD_DISP_PWM1 BIT(24)
> #define MT8173_MUTEX_MOD_DISP_OD BIT(25)
>
> +#define MT2701_MUTEX_MOD_DISP_OVL BIT(3)
> +#define MT2701_MUTEX_MOD_DISP_WDMA BIT(6)
> +#define MT2701_MUTEX_MOD_DISP_COLOR BIT(7)
> +#define MT2701_MUTEX_MOD_DISP_BLS BIT(9)
> +#define MT2701_MUTEX_MOD_DISP_RDMA0 BIT(10)
> +#define MT2701_MUTEX_MOD_DISP_RDMA1 BIT(12)
> +
> #define MUTEX_SOF_SINGLE_MODE 0
> #define MUTEX_SOF_DSI0 1
> #define MUTEX_SOF_DSI1 2
> @@ -92,6 +99,15 @@ struct mtk_ddp {
> const unsigned int *mutex_mod;
> };
>
> +static const unsigned int mt2701_mutex_mod[DDP_COMPONENT_ID_MAX] = {
> + [DDP_COMPONENT_BLS] = MT2701_MUTEX_MOD_DISP_BLS,
> + [DDP_COMPONENT_COLOR0] = MT2701_MUTEX_MOD_DISP_COLOR,
> + [DDP_COMPONENT_OVL0] = MT2701_MUTEX_MOD_DISP_OVL,
> + [DDP_COMPONENT_RDMA0] = MT2701_MUTEX_MOD_DISP_RDMA0,
> + [DDP_COMPONENT_RDMA1] = MT2701_MUTEX_MOD_DISP_RDMA1,
> + [DDP_COMPONENT_WDMA0] = MT2701_MUTEX_MOD_DISP_WDMA,
> +};
> +
> static const unsigned int mt8173_mutex_mod[DDP_COMPONENT_ID_MAX] = {
> [DDP_COMPONENT_AAL] = MT8173_MUTEX_MOD_DISP_AAL,
> [DDP_COMPONENT_COLOR0] = MT8173_MUTEX_MOD_DISP_COLOR0,
> @@ -390,6 +406,7 @@ static int mtk_ddp_remove(struct platform_device *pdev)
> }
>
> static const struct of_device_id ddp_driver_dt_match[] = {
> + { .compatible = "mediatek,mt2701-disp-mutex", .data = mt2701_mutex_mod},
> { .compatible = "mediatek,mt8173-disp-mutex", .data = mt8173_mutex_mod},
> {},
> };
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> index 4b4e449..465819b 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> @@ -112,6 +112,7 @@ struct mtk_ddp_comp_match {
>
> static const struct mtk_ddp_comp_match mtk_ddp_matches[DDP_COMPONENT_ID_MAX] = {
> [DDP_COMPONENT_AAL] = { MTK_DISP_AAL, 0, NULL },
> + [DDP_COMPONENT_BLS] = { MTK_DISP_PWM, 0, NULL },
> [DDP_COMPONENT_COLOR0] = { MTK_DISP_COLOR, 0, &ddp_color },
> [DDP_COMPONENT_COLOR1] = { MTK_DISP_COLOR, 1, &ddp_color },
> [DDP_COMPONENT_DPI0] = { MTK_DPI, 0, NULL },
> @@ -130,11 +131,17 @@ static const struct mtk_ddp_comp_match mtk_ddp_matches[DDP_COMPONENT_ID_MAX] = {
> [DDP_COMPONENT_WDMA1] = { MTK_DISP_WDMA, 1, NULL },
> };
>
> +static const struct mtk_ddp_comp_driver_data mt2701_color_driver_data = {
> + .color_offset = 0x0f00,
> +};
> +
> static const struct mtk_ddp_comp_driver_data mt8173_color_driver_data = {
> .color_offset = 0x0c00,
> };
>
> static const struct of_device_id mtk_disp_color_driver_dt_match[] = {
> + { .compatible = "mediatek,mt2701-disp-color",
> + .data = &mt2701_color_driver_data},
> { .compatible = "mediatek,mt8173-disp-color",
> .data = &mt8173_color_driver_data},
> {},
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> index 53065c7..0850aa4 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> @@ -40,6 +40,7 @@ enum mtk_ddp_comp_type {
>
> enum mtk_ddp_comp_id {
> DDP_COMPONENT_AAL,
> + DDP_COMPONENT_BLS,
> DDP_COMPONENT_COLOR0,
> DDP_COMPONENT_COLOR1,
> DDP_COMPONENT_DPI0,
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> index 80b4f54..2503f04 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> @@ -109,6 +109,19 @@ static const struct drm_mode_config_funcs mtk_drm_mode_config_funcs = {
> .atomic_commit = mtk_atomic_commit,
> };
>
> +static const enum mtk_ddp_comp_id mt2701_mtk_ddp_main[] = {
> + DDP_COMPONENT_OVL0,
> + DDP_COMPONENT_RDMA0,
> + DDP_COMPONENT_COLOR0,
> + DDP_COMPONENT_BLS,
> + DDP_COMPONENT_DSI0,
> +};
> +
> +static const enum mtk_ddp_comp_id mt2701_mtk_ddp_ext[] = {
> + DDP_COMPONENT_RDMA1,
> + DDP_COMPONENT_DPI0,
> +};
> +
> static const enum mtk_ddp_comp_id mt8173_mtk_ddp_main[] = {
> DDP_COMPONENT_OVL0,
> DDP_COMPONENT_COLOR0,
> @@ -128,6 +141,14 @@ static const enum mtk_ddp_comp_id mt8173_mtk_ddp_ext[] = {
> DDP_COMPONENT_DPI0,
> };
>
> +static const struct mtk_mmsys_driver_data mt2701_mmsys_driver_data = {
> + .main_path = mt2701_mtk_ddp_main,
> + .main_len = ARRAY_SIZE(mt2701_mtk_ddp_main),
> + .ext_path = mt2701_mtk_ddp_ext,
> + .ext_len = ARRAY_SIZE(mt2701_mtk_ddp_ext),
> + .shadow_register = true,
> +};
> +
> static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {
> .main_path = mt8173_mtk_ddp_main,
> .main_len = ARRAY_SIZE(mt8173_mtk_ddp_main),
> @@ -331,16 +352,22 @@ static const struct component_master_ops mtk_drm_ops = {
> };
>
> static const struct of_device_id mtk_ddp_comp_dt_ids[] = {
> + { .compatible = "mediatek,mt2701-disp-ovl", .data = (void *)MTK_DISP_OVL },
> { .compatible = "mediatek,mt8173-disp-ovl", .data = (void *)MTK_DISP_OVL },
> + { .compatible = "mediatek,mt2701-disp-rdma", .data = (void *)MTK_DISP_RDMA },
> { .compatible = "mediatek,mt8173-disp-rdma", .data = (void *)MTK_DISP_RDMA },
> { .compatible = "mediatek,mt8173-disp-wdma", .data = (void *)MTK_DISP_WDMA },
> + { .compatible = "mediatek,mt2701-disp-color", .data = (void *)MTK_DISP_COLOR },
> { .compatible = "mediatek,mt8173-disp-color", .data = (void *)MTK_DISP_COLOR },
> { .compatible = "mediatek,mt8173-disp-aal", .data = (void *)MTK_DISP_AAL},
> { .compatible = "mediatek,mt8173-disp-gamma", .data = (void *)MTK_DISP_GAMMA, },
> { .compatible = "mediatek,mt8173-disp-ufoe", .data = (void *)MTK_DISP_UFOE },
> + { .compatible = "mediatek,mt2701-dsi", .data = (void *)MTK_DSI },
> { .compatible = "mediatek,mt8173-dsi", .data = (void *)MTK_DSI },
> { .compatible = "mediatek,mt8173-dpi", .data = (void *)MTK_DPI },
> + { .compatible = "mediatek,mt2701-disp-mutex", .data = (void *)MTK_DISP_MUTEX },
> { .compatible = "mediatek,mt8173-disp-mutex", .data = (void *)MTK_DISP_MUTEX },
> + { .compatible = "mediatek,mt2701-disp-pwm", .data = (void *)MTK_DISP_PWM },
> { .compatible = "mediatek,mt8173-disp-pwm", .data = (void *)MTK_DISP_PWM },
> { .compatible = "mediatek,mt8173-disp-od", .data = (void *)MTK_DISP_OD },
> { }
> @@ -514,6 +541,8 @@ static SIMPLE_DEV_PM_OPS(mtk_drm_pm_ops, mtk_drm_sys_suspend,
> mtk_drm_sys_resume);
>
> static const struct of_device_id mtk_drm_of_ids[] = {
> + { .compatible = "mediatek,mt2701-mmsys",
> + .data = &mt2701_mmsys_driver_data},
> { .compatible = "mediatek,mt8173-mmsys",
> .data = &mt8173_mmsys_driver_data},
> { }
> diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
> index 3373019..8b8a629 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dsi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
> @@ -1300,6 +1300,7 @@ static int mtk_dsi_remove(struct platform_device *pdev)
> }
>
> static const struct of_device_id mtk_dsi_of_match[] = {
> + { .compatible = "mediatek,mt2701-dsi" },
> { .compatible = "mediatek,mt8173-dsi" },
> { },
> };
> diff --git a/drivers/gpu/drm/mediatek/mtk_mipi_tx.c b/drivers/gpu/drm/mediatek/mtk_mipi_tx.c
> index 0666f15..6c2aec0 100644
> --- a/drivers/gpu/drm/mediatek/mtk_mipi_tx.c
> +++ b/drivers/gpu/drm/mediatek/mtk_mipi_tx.c
> @@ -16,6 +16,7 @@
> #include <linux/delay.h>
> #include <linux/io.h>
> #include <linux/module.h>
> +#include <linux/of_device.h>
> #include <linux/platform_device.h>
> #include <linux/phy/phy.h>
>
> @@ -87,6 +88,9 @@
>
> #define MIPITX_DSI_PLL_CON2 0x58
>
> +#define MIPITX_DSI_PLL_TOP 0x64
> +#define RG_DSI_MPPLL_PRESERVE (0xff << 8)
> +
> #define MIPITX_DSI_PLL_PWR 0x68
> #define RG_DSI_MPPLL_SDM_PWR_ON BIT(0)
> #define RG_DSI_MPPLL_SDM_ISO_EN BIT(1)
> @@ -123,10 +127,16 @@
> #define SW_LNT2_HSTX_PRE_OE BIT(24)
> #define SW_LNT2_HSTX_OE BIT(25)
>
> +struct mtk_mipitx_data {
> + const u32 data;
> +};
> +
> struct mtk_mipi_tx {
> struct device *dev;
> void __iomem *regs;
> u32 data_rate;
> + const struct mtk_mipitx_data *driver_data;
> +
> struct clk_hw pll_hw;
> struct clk *pll;
> };
> @@ -245,6 +255,10 @@ static int mtk_mipi_tx_pll_prepare(struct clk_hw *hw)
> mtk_mipi_tx_clear_bits(mipi_tx, MIPITX_DSI_PLL_CON1,
> RG_DSI_MPPLL_SDM_SSC_EN);
>
> + mtk_mipi_tx_update_bits(mipi_tx, MIPITX_DSI_PLL_TOP,
> + RG_DSI_MPPLL_PRESERVE,
> + mipi_tx->driver_data->data);

This part look like it should be moved to patch of "drm/mediatek: add
*driver_data for different hardware settings".

> +
> return 0;
> }
>
> @@ -257,6 +271,9 @@ static void mtk_mipi_tx_pll_unprepare(struct clk_hw *hw)
> mtk_mipi_tx_clear_bits(mipi_tx, MIPITX_DSI_PLL_CON0,
> RG_DSI_MPPLL_PLL_EN);
>
> + mtk_mipi_tx_update_bits(mipi_tx, MIPITX_DSI_PLL_TOP,
> + RG_DSI_MPPLL_PRESERVE, 0);

This part look like it should be moved to patch of "drm/mediatek: add
*driver_data for different hardware settings".

> +
> mtk_mipi_tx_update_bits(mipi_tx, MIPITX_DSI_PLL_PWR,
> RG_DSI_MPPLL_SDM_ISO_EN |
> RG_DSI_MPPLL_SDM_PWR_ON,
> @@ -393,6 +410,7 @@ static int mtk_mipi_tx_probe(struct platform_device *pdev)
> if (!mipi_tx)
> return -ENOMEM;
>
> + mipi_tx->driver_data = of_device_get_match_data(dev);
> mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> mipi_tx->regs = devm_ioremap_resource(dev, mem);
> if (IS_ERR(mipi_tx->regs)) {
> @@ -450,8 +468,19 @@ static int mtk_mipi_tx_remove(struct platform_device *pdev)
> return 0;
> }
>
> +static const struct mtk_mipitx_data mt2701_mipitx_data = {
> + .data = (3 << 8)
> +};
> +
> +static const struct mtk_mipitx_data mt8173_mipitx_data = {
> + .data = (0 << 8)
> +};

mt8173_mipitx_data look like it should be moved to patch of
"drm/mediatek: add *driver_data for different hardware settings". And
you just add mt2701_mipitx_data in this patch.

> +
> static const struct of_device_id mtk_mipi_tx_match[] = {
> - { .compatible = "mediatek,mt8173-mipi-tx", },
> + { .compatible = "mediatek,mt2701-mipi-tx",
> + .data = &mt2701_mipitx_data },
> + { .compatible = "mediatek,mt8173-mipi-tx",
> + .data = &mt8173_mipitx_data },
> {},
> };
>

Regards,
CK