Re: [PATCH v12 7/8] soc: mediatek: add mtk mutex support for MT8183

Hi, Hsin-Yi:

On Thu, 2021-01-28 at 19:23 +0800, Hsin-Yi Wang wrote:

From: Yongqiang Niu yongqiang.niu@mediatek.com

Add mtk mutex support for MT8183 SoC.

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

Signed-off-by: Yongqiang Niu yongqiang.niu@mediatek.com Signed-off-by: Hsin-Yi Wang hsinyi@chromium.org

---

drivers/soc/mediatek/mtk-mutex.c | 50 ++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+)

diff --git a/drivers/soc/mediatek/mtk-mutex.c b/drivers/soc/mediatek/mtk-mutex.c index f531b119da7a9..718a41beb6afb 100644 --- a/drivers/soc/mediatek/mtk-mutex.c +++ b/drivers/soc/mediatek/mtk-mutex.c @@ -14,6 +14,8 @@

#define MT2701_MUTEX0_MOD0 0x2c #define MT2701_MUTEX0_SOF0 0x30 +#define MT8183_MUTEX0_MOD0 0x30 +#define MT8183_MUTEX0_SOF0 0x2c

#define DISP_REG_MUTEX_EN(n) (0x20 + 0x20 * (n)) #define DISP_REG_MUTEX(n) (0x24 + 0x20 * (n)) @@ -37,6 +39,18 @@ #define MT8167_MUTEX_MOD_DISP_DITHER 15 #define MT8167_MUTEX_MOD_DISP_UFOE 16

+#define MT8183_MUTEX_MOD_DISP_RDMA0 0 +#define MT8183_MUTEX_MOD_DISP_RDMA1 1 +#define MT8183_MUTEX_MOD_DISP_OVL0 9 +#define MT8183_MUTEX_MOD_DISP_OVL0_2L 10 +#define MT8183_MUTEX_MOD_DISP_OVL1_2L 11 +#define MT8183_MUTEX_MOD_DISP_WDMA0 12 +#define MT8183_MUTEX_MOD_DISP_COLOR0 13 +#define MT8183_MUTEX_MOD_DISP_CCORR0 14 +#define MT8183_MUTEX_MOD_DISP_AAL0 15 +#define MT8183_MUTEX_MOD_DISP_GAMMA0 16 +#define MT8183_MUTEX_MOD_DISP_DITHER0 17

#define MT8173_MUTEX_MOD_DISP_OVL0 11 #define MT8173_MUTEX_MOD_DISP_OVL1 12 #define MT8173_MUTEX_MOD_DISP_RDMA0 13 @@ -87,6 +101,11 @@ #define MT2712_MUTEX_SOF_DSI3 6 #define MT8167_MUTEX_SOF_DPI0 2 #define MT8167_MUTEX_SOF_DPI1 3 +#define MT8183_MUTEX_SOF_DSI0 1 +#define MT8183_MUTEX_SOF_DPI0 2

+#define MT8183_MUTEX_EOF_DSI0 (MT8183_MUTEX_SOF_DSI0 << 6) +#define MT8183_MUTEX_EOF_DPI0 (MT8183_MUTEX_SOF_DPI0 << 6)

struct mtk_mutex { int id; @@ -181,6 +200,20 @@ static const unsigned int mt8173_mutex_mod[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_WDMA1] = MT8173_MUTEX_MOD_DISP_WDMA1, };

+static const unsigned int mt8183_mutex_mod[DDP_COMPONENT_ID_MAX] = {

• [DDP_COMPONENT_AAL0] = MT8183_MUTEX_MOD_DISP_AAL0,
• [DDP_COMPONENT_CCORR] = MT8183_MUTEX_MOD_DISP_CCORR0,
• [DDP_COMPONENT_COLOR0] = MT8183_MUTEX_MOD_DISP_COLOR0,
• [DDP_COMPONENT_DITHER] = MT8183_MUTEX_MOD_DISP_DITHER0,
• [DDP_COMPONENT_GAMMA] = MT8183_MUTEX_MOD_DISP_GAMMA0,
• [DDP_COMPONENT_OVL0] = MT8183_MUTEX_MOD_DISP_OVL0,
• [DDP_COMPONENT_OVL_2L0] = MT8183_MUTEX_MOD_DISP_OVL0_2L,
• [DDP_COMPONENT_OVL_2L1] = MT8183_MUTEX_MOD_DISP_OVL1_2L,
• [DDP_COMPONENT_RDMA0] = MT8183_MUTEX_MOD_DISP_RDMA0,
• [DDP_COMPONENT_RDMA1] = MT8183_MUTEX_MOD_DISP_RDMA1,
• [DDP_COMPONENT_WDMA0] = MT8183_MUTEX_MOD_DISP_WDMA0,

+};

static const unsigned int mt2712_mutex_sof[MUTEX_SOF_DSI3 + 1] = { [MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE, [MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0, @@ -198,6 +231,13 @@ static const unsigned int mt8167_mutex_sof[MUTEX_SOF_DSI3 + 1] = { [MUTEX_SOF_DPI1] = MT8167_MUTEX_SOF_DPI1, };

+/* Add EOF setting so overlay hardware can receive frame done irq */ +static const unsigned int mt8183_mutex_sof[MUTEX_SOF_DSI3 + 1] = {

• [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,

+};

static const struct mtk_mutex_data mt2701_mutex_driver_data = { .mutex_mod = mt2701_mutex_mod, .mutex_sof = mt2712_mutex_sof, @@ -227,6 +267,14 @@ static const struct mtk_mutex_data mt8173_mutex_driver_data = { .mutex_sof_reg = MT2701_MUTEX0_SOF0, };

+static const struct mtk_mutex_data mt8183_mutex_driver_data = {

• .mutex_mod = mt8183_mutex_mod,
• .mutex_sof = mt8183_mutex_sof,
• .mutex_mod_reg = MT8183_MUTEX0_MOD0,
• .mutex_sof_reg = MT8183_MUTEX0_SOF0,
• .no_clk = true,

+};

struct mtk_mutex *mtk_mutex_get(struct device *dev) { struct mtk_mutex_ctx *mtx = dev_get_drvdata(dev); @@ -457,6 +505,8 @@ static const struct of_device_id mutex_driver_dt_match[] = { .data = &mt8167_mutex_driver_data}, { .compatible = "mediatek,mt8173-disp-mutex", .data = &mt8173_mutex_driver_data},

• { .compatible = "mediatek,mt8183-disp-mutex",

•  .data = &mt8183_mutex_driver_data},
  

  {},

}; MODULE_DEVICE_TABLE(of, mutex_driver_dt_match);