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path: root/drivers/soc/mediatek/mtk-mutex.c
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Diffstat (limited to 'drivers/soc/mediatek/mtk-mutex.c')
-rw-r--r--drivers/soc/mediatek/mtk-mutex.c115
1 files changed, 62 insertions, 53 deletions
diff --git a/drivers/soc/mediatek/mtk-mutex.c b/drivers/soc/mediatek/mtk-mutex.c
index 5250c1d702eb..38179e8cd98f 100644
--- a/drivers/soc/mediatek/mtk-mutex.c
+++ b/drivers/soc/mediatek/mtk-mutex.c
@@ -17,16 +17,35 @@
#define MT2701_MUTEX0_MOD0 0x2c
#define MT2701_MUTEX0_SOF0 0x30
+#define MT2701_MUTEX0_MOD1 0x34
+
#define MT8183_MUTEX0_MOD0 0x30
+#define MT8183_MUTEX0_MOD1 0x34
#define MT8183_MUTEX0_SOF0 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))
-#define DISP_REG_MUTEX_MOD(mutex_mod_reg, n) (mutex_mod_reg + 0x20 * (n))
-#define DISP_REG_MUTEX_MOD1(mutex_mod_reg, n) ((mutex_mod_reg) + 0x20 * (n) + 0x4)
+/*
+ * Some SoCs may have multiple MUTEX_MOD registers as more than 32 mods
+ * are present, hence requiring multiple 32-bits registers.
+ *
+ * The mutex_table_mod fully represents that by defining the number of
+ * the mod sequentially, later used as a bit number, which can be more
+ * than 0..31.
+ *
+ * In order to retain compatibility with older SoCs, we perform R/W on
+ * the single 32 bits registers, but this requires us to translate the
+ * mutex ID bit accordingly.
+ */
+#define DISP_REG_MUTEX_MOD(mutex, id, n) ({ \
+ const typeof(mutex) _mutex = (mutex); \
+ u32 _offset = (id) < 32 ? \
+ _mutex->data->mutex_mod_reg : \
+ _mutex->data->mutex_mod1_reg; \
+ _offset + 0x20 * (n); \
+})
#define DISP_REG_MUTEX_SOF(mutex_sof_reg, n) (mutex_sof_reg + 0x20 * (n))
-#define DISP_REG_MUTEX_MOD2(n) (0x34 + 0x20 * (n))
#define INT_MUTEX BIT(1)
@@ -155,6 +174,7 @@
#define MT8188_MUTEX_MOD_DISP1_VPP_MERGE3 23
#define MT8188_MUTEX_MOD_DISP1_VPP_MERGE4 24
#define MT8188_MUTEX_MOD_DISP1_DISP_MIXER 30
+#define MT8188_MUTEX_MOD_DISP1_DPI1 38
#define MT8188_MUTEX_MOD_DISP1_DP_INTF1 39
#define MT8195_MUTEX_MOD_DISP_OVL0 0
@@ -289,6 +309,7 @@
#define MT8188_MUTEX_SOF_DSI0 1
#define MT8188_MUTEX_SOF_DP_INTF0 3
#define MT8188_MUTEX_SOF_DP_INTF1 4
+#define MT8188_MUTEX_SOF_DPI1 5
#define MT8195_MUTEX_SOF_DSI0 1
#define MT8195_MUTEX_SOF_DSI1 2
#define MT8195_MUTEX_SOF_DP_INTF0 3
@@ -301,6 +322,7 @@
#define MT8188_MUTEX_EOF_DSI0 (MT8188_MUTEX_SOF_DSI0 << 7)
#define MT8188_MUTEX_EOF_DP_INTF0 (MT8188_MUTEX_SOF_DP_INTF0 << 7)
#define MT8188_MUTEX_EOF_DP_INTF1 (MT8188_MUTEX_SOF_DP_INTF1 << 7)
+#define MT8188_MUTEX_EOF_DPI1 (MT8188_MUTEX_SOF_DPI1 << 7)
#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)
@@ -331,6 +353,7 @@ struct mtk_mutex_data {
const u8 *mutex_table_mod;
const u16 *mutex_sof;
const u16 mutex_mod_reg;
+ const u16 mutex_mod1_reg;
const u16 mutex_sof_reg;
const bool no_clk;
};
@@ -472,6 +495,7 @@ static const u8 mt8188_mutex_mod[DDP_COMPONENT_ID_MAX] = {
[DDP_COMPONENT_PWM0] = MT8188_MUTEX_MOD2_DISP_PWM0,
[DDP_COMPONENT_DP_INTF0] = MT8188_MUTEX_MOD_DISP_DP_INTF0,
[DDP_COMPONENT_DP_INTF1] = MT8188_MUTEX_MOD_DISP1_DP_INTF1,
+ [DDP_COMPONENT_DPI1] = MT8188_MUTEX_MOD_DISP1_DPI1,
[DDP_COMPONENT_ETHDR_MIXER] = MT8188_MUTEX_MOD_DISP1_DISP_MIXER,
[DDP_COMPONENT_MDP_RDMA0] = MT8188_MUTEX_MOD_DISP1_MDP_RDMA0,
[DDP_COMPONENT_MDP_RDMA1] = MT8188_MUTEX_MOD_DISP1_MDP_RDMA1,
@@ -686,6 +710,8 @@ static const u16 mt8188_mutex_sof[DDP_MUTEX_SOF_MAX] = {
[MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE,
[MUTEX_SOF_DSI0] =
MT8188_MUTEX_SOF_DSI0 | MT8188_MUTEX_EOF_DSI0,
+ [MUTEX_SOF_DPI1] =
+ MT8188_MUTEX_SOF_DPI1 | MT8188_MUTEX_EOF_DPI1,
[MUTEX_SOF_DP_INTF0] =
MT8188_MUTEX_SOF_DP_INTF0 | MT8188_MUTEX_EOF_DP_INTF0,
[MUTEX_SOF_DP_INTF1] =
@@ -708,6 +734,7 @@ static const struct mtk_mutex_data mt2701_mutex_driver_data = {
.mutex_mod = mt2701_mutex_mod,
.mutex_sof = mt2712_mutex_sof,
.mutex_mod_reg = MT2701_MUTEX0_MOD0,
+ .mutex_mod1_reg = MT2701_MUTEX0_MOD1,
.mutex_sof_reg = MT2701_MUTEX0_SOF0,
};
@@ -715,6 +742,7 @@ static const struct mtk_mutex_data mt2712_mutex_driver_data = {
.mutex_mod = mt2712_mutex_mod,
.mutex_sof = mt2712_mutex_sof,
.mutex_mod_reg = MT2701_MUTEX0_MOD0,
+ .mutex_mod1_reg = MT2701_MUTEX0_MOD1,
.mutex_sof_reg = MT2701_MUTEX0_SOF0,
};
@@ -722,6 +750,7 @@ static const struct mtk_mutex_data mt6795_mutex_driver_data = {
.mutex_mod = mt8173_mutex_mod,
.mutex_sof = mt6795_mutex_sof,
.mutex_mod_reg = MT2701_MUTEX0_MOD0,
+ .mutex_mod1_reg = MT2701_MUTEX0_MOD1,
.mutex_sof_reg = MT2701_MUTEX0_SOF0,
};
@@ -729,6 +758,7 @@ static const struct mtk_mutex_data mt8167_mutex_driver_data = {
.mutex_mod = mt8167_mutex_mod,
.mutex_sof = mt8167_mutex_sof,
.mutex_mod_reg = MT2701_MUTEX0_MOD0,
+ .mutex_mod1_reg = MT2701_MUTEX0_MOD1,
.mutex_sof_reg = MT2701_MUTEX0_SOF0,
.no_clk = true,
};
@@ -737,6 +767,7 @@ static const struct mtk_mutex_data mt8173_mutex_driver_data = {
.mutex_mod = mt8173_mutex_mod,
.mutex_sof = mt2712_mutex_sof,
.mutex_mod_reg = MT2701_MUTEX0_MOD0,
+ .mutex_mod1_reg = MT2701_MUTEX0_MOD1,
.mutex_sof_reg = MT2701_MUTEX0_SOF0,
};
@@ -744,6 +775,7 @@ 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_mod1_reg = MT8183_MUTEX0_MOD1,
.mutex_sof_reg = MT8183_MUTEX0_SOF0,
.mutex_table_mod = mt8183_mutex_table_mod,
.no_clk = true,
@@ -751,6 +783,7 @@ static const struct mtk_mutex_data mt8183_mutex_driver_data = {
static const struct mtk_mutex_data mt8186_mdp_mutex_driver_data = {
.mutex_mod_reg = MT8183_MUTEX0_MOD0,
+ .mutex_mod1_reg = MT8183_MUTEX0_MOD1,
.mutex_sof_reg = MT8183_MUTEX0_SOF0,
.mutex_table_mod = mt8186_mdp_mutex_table_mod,
};
@@ -759,6 +792,7 @@ static const struct mtk_mutex_data mt8186_mutex_driver_data = {
.mutex_mod = mt8186_mutex_mod,
.mutex_sof = mt8186_mutex_sof,
.mutex_mod_reg = MT8183_MUTEX0_MOD0,
+ .mutex_mod1_reg = MT8183_MUTEX0_MOD1,
.mutex_sof_reg = MT8183_MUTEX0_SOF0,
};
@@ -766,12 +800,14 @@ static const struct mtk_mutex_data mt8188_mutex_driver_data = {
.mutex_mod = mt8188_mutex_mod,
.mutex_sof = mt8188_mutex_sof,
.mutex_mod_reg = MT8183_MUTEX0_MOD0,
+ .mutex_mod1_reg = MT8183_MUTEX0_MOD1,
.mutex_sof_reg = MT8183_MUTEX0_SOF0,
};
static const struct mtk_mutex_data mt8188_vpp_mutex_driver_data = {
.mutex_sof = mt8188_mutex_sof,
.mutex_mod_reg = MT8183_MUTEX0_MOD0,
+ .mutex_mod1_reg = MT8183_MUTEX0_MOD1,
.mutex_sof_reg = MT8183_MUTEX0_SOF0,
.mutex_table_mod = mt8188_mdp_mutex_table_mod,
};
@@ -780,6 +816,7 @@ static const struct mtk_mutex_data mt8192_mutex_driver_data = {
.mutex_mod = mt8192_mutex_mod,
.mutex_sof = mt8183_mutex_sof,
.mutex_mod_reg = MT8183_MUTEX0_MOD0,
+ .mutex_mod1_reg = MT8183_MUTEX0_MOD1,
.mutex_sof_reg = MT8183_MUTEX0_SOF0,
};
@@ -787,12 +824,14 @@ static const struct mtk_mutex_data mt8195_mutex_driver_data = {
.mutex_mod = mt8195_mutex_mod,
.mutex_sof = mt8195_mutex_sof,
.mutex_mod_reg = MT8183_MUTEX0_MOD0,
+ .mutex_mod1_reg = MT8183_MUTEX0_MOD1,
.mutex_sof_reg = MT8183_MUTEX0_SOF0,
};
static const struct mtk_mutex_data mt8195_vpp_mutex_driver_data = {
.mutex_sof = mt8195_mutex_sof,
.mutex_mod_reg = MT8183_MUTEX0_MOD0,
+ .mutex_mod1_reg = MT8183_MUTEX0_MOD1,
.mutex_sof_reg = MT8183_MUTEX0_SOF0,
.mutex_table_mod = mt8195_mutex_table_mod,
};
@@ -801,6 +840,7 @@ static const struct mtk_mutex_data mt8365_mutex_driver_data = {
.mutex_mod = mt8365_mutex_mod,
.mutex_sof = mt8183_mutex_sof,
.mutex_mod_reg = MT8183_MUTEX0_MOD0,
+ .mutex_mod1_reg = MT8183_MUTEX0_MOD1,
.mutex_sof_reg = MT8183_MUTEX0_SOF0,
.no_clk = true,
};
@@ -853,7 +893,7 @@ void mtk_mutex_add_comp(struct mtk_mutex *mutex,
struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
mutex[mutex->id]);
unsigned int reg;
- unsigned int sof_id;
+ unsigned int sof_id, mod_id;
unsigned int offset;
WARN_ON(&mtx->mutex[mutex->id] != mutex);
@@ -884,18 +924,11 @@ void mtk_mutex_add_comp(struct mtk_mutex *mutex,
sof_id = MUTEX_SOF_DP_INTF1;
break;
default:
- if (mtx->data->mutex_mod[id] < 32) {
- offset = DISP_REG_MUTEX_MOD(mtx->data->mutex_mod_reg,
- mutex->id);
- reg = readl_relaxed(mtx->regs + offset);
- reg |= 1 << mtx->data->mutex_mod[id];
- writel_relaxed(reg, mtx->regs + offset);
- } else {
- offset = DISP_REG_MUTEX_MOD2(mutex->id);
- reg = readl_relaxed(mtx->regs + offset);
- reg |= 1 << (mtx->data->mutex_mod[id] - 32);
- writel_relaxed(reg, mtx->regs + offset);
- }
+ offset = DISP_REG_MUTEX_MOD(mtx, mtx->data->mutex_mod[id], mutex->id);
+ mod_id = mtx->data->mutex_mod[id] % 32;
+ reg = readl_relaxed(mtx->regs + offset);
+ reg |= BIT(mod_id);
+ writel_relaxed(reg, mtx->regs + offset);
return;
}
@@ -911,6 +944,7 @@ void mtk_mutex_remove_comp(struct mtk_mutex *mutex,
struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
mutex[mutex->id]);
unsigned int reg;
+ unsigned int mod_id;
unsigned int offset;
WARN_ON(&mtx->mutex[mutex->id] != mutex);
@@ -930,18 +964,11 @@ void mtk_mutex_remove_comp(struct mtk_mutex *mutex,
mutex->id));
break;
default:
- if (mtx->data->mutex_mod[id] < 32) {
- offset = DISP_REG_MUTEX_MOD(mtx->data->mutex_mod_reg,
- mutex->id);
- reg = readl_relaxed(mtx->regs + offset);
- reg &= ~(1 << mtx->data->mutex_mod[id]);
- writel_relaxed(reg, mtx->regs + offset);
- } else {
- offset = DISP_REG_MUTEX_MOD2(mutex->id);
- reg = readl_relaxed(mtx->regs + offset);
- reg &= ~(1 << (mtx->data->mutex_mod[id] - 32));
- writel_relaxed(reg, mtx->regs + offset);
- }
+ offset = DISP_REG_MUTEX_MOD(mtx, mtx->data->mutex_mod[id], mutex->id);
+ mod_id = mtx->data->mutex_mod[id] % 32;
+ reg = readl_relaxed(mtx->regs + offset);
+ reg &= ~BIT(mod_id);
+ writel_relaxed(reg, mtx->regs + offset);
break;
}
}
@@ -1017,7 +1044,7 @@ int mtk_mutex_write_mod(struct mtk_mutex *mutex,
struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
mutex[mutex->id]);
unsigned int reg;
- u32 reg_offset, id_offset = 0;
+ u32 offset, mod_id;
WARN_ON(&mtx->mutex[mutex->id] != mutex);
@@ -1027,34 +1054,16 @@ int mtk_mutex_write_mod(struct mtk_mutex *mutex,
return -EINVAL;
}
- /*
- * Some SoCs may have multiple MUTEX_MOD registers as more than 32 mods
- * are present, hence requiring multiple 32-bits registers.
- *
- * The mutex_table_mod fully represents that by defining the number of
- * the mod sequentially, later used as a bit number, which can be more
- * than 0..31.
- *
- * In order to retain compatibility with older SoCs, we perform R/W on
- * the single 32 bits registers, but this requires us to translate the
- * mutex ID bit accordingly.
- */
- if (mtx->data->mutex_table_mod[idx] < 32) {
- reg_offset = DISP_REG_MUTEX_MOD(mtx->data->mutex_mod_reg,
- mutex->id);
- } else {
- reg_offset = DISP_REG_MUTEX_MOD1(mtx->data->mutex_mod_reg,
- mutex->id);
- id_offset = 32;
- }
+ offset = DISP_REG_MUTEX_MOD(mtx, mtx->data->mutex_table_mod[idx], mutex->id);
+ mod_id = mtx->data->mutex_table_mod[idx] % 32;
- reg = readl_relaxed(mtx->regs + reg_offset);
+ reg = readl_relaxed(mtx->regs + offset);
if (clear)
- reg &= ~BIT(mtx->data->mutex_table_mod[idx] - id_offset);
+ reg &= ~BIT(mod_id);
else
- reg |= BIT(mtx->data->mutex_table_mod[idx] - id_offset);
+ reg |= BIT(mod_id);
- writel_relaxed(reg, mtx->regs + reg_offset);
+ writel_relaxed(reg, mtx->regs + offset);
return 0;
}