[PATCH v16 5/8] soc: mediatek: add mtk-mutex support for mt8195 vdosys0

Fei Shao fshao at chromium.org
Sun Mar 6 20:34:24 PST 2022


On Mon, Mar 7, 2022 at 11:30 AM jason-jh.lin <jason-jh.lin at mediatek.com> wrote:
>
> Add mtk-mutex support for mt8195 vdosys0.
>
> Signed-off-by: jason-jh.lin <jason-jh.lin at mediatek.com>
> Acked-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>

Tested-by: Fei Shao <fshao at chromium.org>

> ---
>  drivers/soc/mediatek/mtk-mutex.c | 103 ++++++++++++++++++++++++++++++-
>  1 file changed, 100 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/soc/mediatek/mtk-mutex.c b/drivers/soc/mediatek/mtk-mutex.c
> index aaf8fc1abb43..1c7ffcdadcea 100644
> --- a/drivers/soc/mediatek/mtk-mutex.c
> +++ b/drivers/soc/mediatek/mtk-mutex.c
> @@ -17,6 +17,9 @@
>  #define MT8183_MUTEX0_MOD0                     0x30
>  #define MT8183_MUTEX0_SOF0                     0x2c
>
> +#define MT8195_DISP_MUTEX0_MOD0                        0x30
> +#define MT8195_DISP_MUTEX0_SOF                 0x2c
> +
>  #define DISP_REG_MUTEX_EN(n)                   (0x20 + 0x20 * (n))
>  #define DISP_REG_MUTEX(n)                      (0x24 + 0x20 * (n))
>  #define DISP_REG_MUTEX_RST(n)                  (0x28 + 0x20 * (n))
> @@ -96,6 +99,36 @@
>  #define MT8173_MUTEX_MOD_DISP_PWM1             24
>  #define MT8173_MUTEX_MOD_DISP_OD               25
>
> +#define MT8195_MUTEX_MOD_DISP_OVL0             0
> +#define MT8195_MUTEX_MOD_DISP_WDMA0            1
> +#define MT8195_MUTEX_MOD_DISP_RDMA0            2
> +#define MT8195_MUTEX_MOD_DISP_COLOR0           3
> +#define MT8195_MUTEX_MOD_DISP_CCORR0           4
> +#define MT8195_MUTEX_MOD_DISP_AAL0             5
> +#define MT8195_MUTEX_MOD_DISP_GAMMA0           6
> +#define MT8195_MUTEX_MOD_DISP_DITHER0          7
> +#define MT8195_MUTEX_MOD_DISP_DSI0             8
> +#define MT8195_MUTEX_MOD_DISP_DSC_WRAP0_CORE0  9
> +#define MT8195_MUTEX_MOD_DISP_OVL1             10
> +#define MT8195_MUTEX_MOD_DISP_WDMA1            11
> +#define MT8195_MUTEX_MOD_DISP_RDMA1            12
> +#define MT8195_MUTEX_MOD_DISP_COLOR1           13
> +#define MT8195_MUTEX_MOD_DISP_CCORR1           14
> +#define MT8195_MUTEX_MOD_DISP_AAL1             15
> +#define MT8195_MUTEX_MOD_DISP_GAMMA1           16
> +#define MT8195_MUTEX_MOD_DISP_DITHER1          17
> +#define MT8195_MUTEX_MOD_DISP_DSI1             18
> +#define MT8195_MUTEX_MOD_DISP_DSC_WRAP0_CORE1  19
> +#define MT8195_MUTEX_MOD_DISP_VPP_MERGE                20
> +#define MT8195_MUTEX_MOD_DISP_DP_INTF0         21
> +#define MT8195_MUTEX_MOD_DISP_VPP1_DL_RELAY0   22
> +#define MT8195_MUTEX_MOD_DISP_VPP1_DL_RELAY1   23
> +#define MT8195_MUTEX_MOD_DISP_VDO1_DL_RELAY2   24
> +#define MT8195_MUTEX_MOD_DISP_VDO0_DL_RELAY3   25
> +#define MT8195_MUTEX_MOD_DISP_VDO0_DL_RELAY4   26
> +#define MT8195_MUTEX_MOD_DISP_PWM0             27
> +#define MT8195_MUTEX_MOD_DISP_PWM1             28
> +
>  #define MT2712_MUTEX_MOD_DISP_PWM2             10
>  #define MT2712_MUTEX_MOD_DISP_OVL0             11
>  #define MT2712_MUTEX_MOD_DISP_OVL1             12
> @@ -132,9 +165,21 @@
>  #define MT8167_MUTEX_SOF_DPI1                  3
>  #define MT8183_MUTEX_SOF_DSI0                  1
>  #define MT8183_MUTEX_SOF_DPI0                  2
> +#define MT8195_MUTEX_SOF_DSI0                  1
> +#define MT8195_MUTEX_SOF_DSI1                  2
> +#define MT8195_MUTEX_SOF_DP_INTF0              3
> +#define MT8195_MUTEX_SOF_DP_INTF1              4
> +#define MT8195_MUTEX_SOF_DPI0                  6 /* for HDMI_TX */
> +#define MT8195_MUTEX_SOF_DPI1                  5 /* for digital video out */
>
>  #define MT8183_MUTEX_EOF_DSI0                  (MT8183_MUTEX_SOF_DSI0 << 6)
>  #define MT8183_MUTEX_EOF_DPI0                  (MT8183_MUTEX_SOF_DPI0 << 6)
> +#define MT8195_MUTEX_EOF_DSI0                  (MT8195_MUTEX_SOF_DSI0 << 7)
> +#define MT8195_MUTEX_EOF_DSI1                  (MT8195_MUTEX_SOF_DSI1 << 7)
> +#define MT8195_MUTEX_EOF_DP_INTF0              (MT8195_MUTEX_SOF_DP_INTF0 << 7)
> +#define MT8195_MUTEX_EOF_DP_INTF1              (MT8195_MUTEX_SOF_DP_INTF1 << 7)
> +#define MT8195_MUTEX_EOF_DPI0                  (MT8195_MUTEX_SOF_DPI0 << 7)
> +#define MT8195_MUTEX_EOF_DPI1                  (MT8195_MUTEX_SOF_DPI1 << 7)
>
>  struct mtk_mutex {
>         int id;
> @@ -149,6 +194,9 @@ enum mtk_mutex_sof_id {
>         MUTEX_SOF_DPI1,
>         MUTEX_SOF_DSI2,
>         MUTEX_SOF_DSI3,
> +       MUTEX_SOF_DP_INTF0,
> +       MUTEX_SOF_DP_INTF1,
> +       DDP_MUTEX_SOF_MAX,
>  };
>
>  struct mtk_mutex_data {
> @@ -270,7 +318,23 @@ static const unsigned int mt8192_mutex_mod[DDP_COMPONENT_ID_MAX] = {
>         [DDP_COMPONENT_RDMA4] = MT8192_MUTEX_MOD_DISP_RDMA4,
>  };
>
> -static const unsigned int mt2712_mutex_sof[MUTEX_SOF_DSI3 + 1] = {
> +static const unsigned int mt8195_mutex_mod[DDP_COMPONENT_ID_MAX] = {
> +       [DDP_COMPONENT_OVL0] = MT8195_MUTEX_MOD_DISP_OVL0,
> +       [DDP_COMPONENT_WDMA0] = MT8195_MUTEX_MOD_DISP_WDMA0,
> +       [DDP_COMPONENT_RDMA0] = MT8195_MUTEX_MOD_DISP_RDMA0,
> +       [DDP_COMPONENT_COLOR0] = MT8195_MUTEX_MOD_DISP_COLOR0,
> +       [DDP_COMPONENT_CCORR] = MT8195_MUTEX_MOD_DISP_CCORR0,
> +       [DDP_COMPONENT_AAL0] = MT8195_MUTEX_MOD_DISP_AAL0,
> +       [DDP_COMPONENT_GAMMA] = MT8195_MUTEX_MOD_DISP_GAMMA0,
> +       [DDP_COMPONENT_DITHER] = MT8195_MUTEX_MOD_DISP_DITHER0,
> +       [DDP_COMPONENT_MERGE0] = MT8195_MUTEX_MOD_DISP_VPP_MERGE,
> +       [DDP_COMPONENT_DSC0] = MT8195_MUTEX_MOD_DISP_DSC_WRAP0_CORE0,
> +       [DDP_COMPONENT_DSI0] = MT8195_MUTEX_MOD_DISP_DSI0,
> +       [DDP_COMPONENT_PWM0] = MT8195_MUTEX_MOD_DISP_PWM0,
> +       [DDP_COMPONENT_DP_INTF0] = MT8195_MUTEX_MOD_DISP_DP_INTF0,
> +};
> +
> +static const unsigned int mt2712_mutex_sof[DDP_MUTEX_SOF_MAX] = {
>         [MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE,
>         [MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0,
>         [MUTEX_SOF_DSI1] = MUTEX_SOF_DSI1,
> @@ -280,7 +344,7 @@ static const unsigned int mt2712_mutex_sof[MUTEX_SOF_DSI3 + 1] = {
>         [MUTEX_SOF_DSI3] = MUTEX_SOF_DSI3,
>  };
>
> -static const unsigned int mt8167_mutex_sof[MUTEX_SOF_DSI3 + 1] = {
> +static const unsigned int mt8167_mutex_sof[DDP_MUTEX_SOF_MAX] = {
>         [MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE,
>         [MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0,
>         [MUTEX_SOF_DPI0] = MT8167_MUTEX_SOF_DPI0,
> @@ -288,7 +352,7 @@ static const unsigned int mt8167_mutex_sof[MUTEX_SOF_DSI3 + 1] = {
>  };
>
>  /* Add EOF setting so overlay hardware can receive frame done irq */
> -static const unsigned int mt8183_mutex_sof[MUTEX_SOF_DSI3 + 1] = {
> +static const unsigned int mt8183_mutex_sof[DDP_MUTEX_SOF_MAX] = {
>         [MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE,
>         [MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0 | MT8183_MUTEX_EOF_DSI0,
>         [MUTEX_SOF_DPI0] = MT8183_MUTEX_SOF_DPI0 | MT8183_MUTEX_EOF_DPI0,
> @@ -300,6 +364,26 @@ static const unsigned int mt8186_mutex_sof[MUTEX_SOF_DSI3 + 1] = {
>         [MUTEX_SOF_DPI0] = MT8186_MUTEX_SOF_DPI0 | MT8186_MUTEX_EOF_DPI0,
>  };
>
> +/*
> + * To support refresh mode(video mode), DISP_REG_MUTEX_SOF should
> + * select the EOF source and configure the EOF plus timing from the
> + * module that provides the timing signal.
> + * So that MUTEX can not only send a STREAM_DONE event to GCE
> + * but also detect the error at end of frame(EAEOF) when EOF signal
> + * arrives.
> + */
> +static const unsigned int mt8195_mutex_sof[DDP_MUTEX_SOF_MAX] = {
> +       [MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE,
> +       [MUTEX_SOF_DSI0] = MT8195_MUTEX_SOF_DSI0 | MT8195_MUTEX_EOF_DSI0,
> +       [MUTEX_SOF_DSI1] = MT8195_MUTEX_SOF_DSI1 | MT8195_MUTEX_EOF_DSI1,
> +       [MUTEX_SOF_DPI0] = MT8195_MUTEX_SOF_DPI0 | MT8195_MUTEX_EOF_DPI0,
> +       [MUTEX_SOF_DPI1] = MT8195_MUTEX_SOF_DPI1 | MT8195_MUTEX_EOF_DPI1,
> +       [MUTEX_SOF_DP_INTF0] =
> +               MT8195_MUTEX_SOF_DP_INTF0 | MT8195_MUTEX_EOF_DP_INTF0,
> +       [MUTEX_SOF_DP_INTF1] =
> +               MT8195_MUTEX_SOF_DP_INTF1 | MT8195_MUTEX_EOF_DP_INTF1,
> +};
> +
>  static const struct mtk_mutex_data mt2701_mutex_driver_data = {
>         .mutex_mod = mt2701_mutex_mod,
>         .mutex_sof = mt2712_mutex_sof,
> @@ -351,6 +435,13 @@ static const struct mtk_mutex_data mt8192_mutex_driver_data = {
>         .mutex_sof_reg = MT8183_MUTEX0_SOF0,
>  };
>
> +static const struct mtk_mutex_data mt8195_mutex_driver_data = {
> +       .mutex_mod = mt8195_mutex_mod,
> +       .mutex_sof = mt8195_mutex_sof,
> +       .mutex_mod_reg = MT8195_DISP_MUTEX0_MOD0,
> +       .mutex_sof_reg = MT8195_DISP_MUTEX0_SOF,
> +};
> +
>  struct mtk_mutex *mtk_mutex_get(struct device *dev)
>  {
>         struct mtk_mutex_ctx *mtx = dev_get_drvdata(dev);
> @@ -423,6 +514,9 @@ void mtk_mutex_add_comp(struct mtk_mutex *mutex,
>         case DDP_COMPONENT_DPI1:
>                 sof_id = MUTEX_SOF_DPI1;
>                 break;
> +       case DDP_COMPONENT_DP_INTF0:
> +               sof_id = MUTEX_SOF_DP_INTF0;
> +               break;
>         default:
>                 if (mtx->data->mutex_mod[id] < 32) {
>                         offset = DISP_REG_MUTEX_MOD(mtx->data->mutex_mod_reg,
> @@ -462,6 +556,7 @@ void mtk_mutex_remove_comp(struct mtk_mutex *mutex,
>         case DDP_COMPONENT_DSI3:
>         case DDP_COMPONENT_DPI0:
>         case DDP_COMPONENT_DPI1:
> +       case DDP_COMPONENT_DP_INTF0:
>                 writel_relaxed(MUTEX_SOF_SINGLE_MODE,
>                                mtx->regs +
>                                DISP_REG_MUTEX_SOF(mtx->data->mutex_sof_reg,
> @@ -587,6 +682,8 @@ static const struct of_device_id mutex_driver_dt_match[] = {
>           .data = &mt8186_mutex_driver_data},
>         { .compatible = "mediatek,mt8192-disp-mutex",
>           .data = &mt8192_mutex_driver_data},
> +       { .compatible = "mediatek,mt8195-disp-mutex",
> +         .data = &mt8195_mutex_driver_data},
>         {},
>  };
>  MODULE_DEVICE_TABLE(of, mutex_driver_dt_match);
> --
> 2.18.0
>



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