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path: root/drivers/soc/mediatek/mtk-mutex.c
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-rw-r--r--drivers/soc/mediatek/mtk-mutex.c877
1 files changed, 877 insertions, 0 deletions
diff --git a/drivers/soc/mediatek/mtk-mutex.c b/drivers/soc/mediatek/mtk-mutex.c
new file mode 100644
index 000000000..c1a33d520
--- /dev/null
+++ b/drivers/soc/mediatek/mtk-mutex.c
@@ -0,0 +1,877 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2015 MediaTek Inc.
+ */
+
+#include <linux/clk.h>
+#include <linux/iopoll.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/of_address.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/soc/mediatek/mtk-mmsys.h>
+#include <linux/soc/mediatek/mtk-mutex.h>
+#include <linux/soc/mediatek/mtk-cmdq.h>
+
+#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))
+#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_SOF(mutex_sof_reg, n) (mutex_sof_reg + 0x20 * (n))
+#define DISP_REG_MUTEX_MOD2(n) (0x34 + 0x20 * (n))
+
+#define INT_MUTEX BIT(1)
+
+#define MT8186_MUTEX_MOD_DISP_OVL0 0
+#define MT8186_MUTEX_MOD_DISP_OVL0_2L 1
+#define MT8186_MUTEX_MOD_DISP_RDMA0 2
+#define MT8186_MUTEX_MOD_DISP_COLOR0 4
+#define MT8186_MUTEX_MOD_DISP_CCORR0 5
+#define MT8186_MUTEX_MOD_DISP_AAL0 7
+#define MT8186_MUTEX_MOD_DISP_GAMMA0 8
+#define MT8186_MUTEX_MOD_DISP_POSTMASK0 9
+#define MT8186_MUTEX_MOD_DISP_DITHER0 10
+#define MT8186_MUTEX_MOD_DISP_RDMA1 17
+
+#define MT8186_MUTEX_SOF_SINGLE_MODE 0
+#define MT8186_MUTEX_SOF_DSI0 1
+#define MT8186_MUTEX_SOF_DPI0 2
+#define MT8186_MUTEX_EOF_DSI0 (MT8186_MUTEX_SOF_DSI0 << 6)
+#define MT8186_MUTEX_EOF_DPI0 (MT8186_MUTEX_SOF_DPI0 << 6)
+
+#define MT8167_MUTEX_MOD_DISP_PWM 1
+#define MT8167_MUTEX_MOD_DISP_OVL0 6
+#define MT8167_MUTEX_MOD_DISP_OVL1 7
+#define MT8167_MUTEX_MOD_DISP_RDMA0 8
+#define MT8167_MUTEX_MOD_DISP_RDMA1 9
+#define MT8167_MUTEX_MOD_DISP_WDMA0 10
+#define MT8167_MUTEX_MOD_DISP_CCORR 11
+#define MT8167_MUTEX_MOD_DISP_COLOR 12
+#define MT8167_MUTEX_MOD_DISP_AAL 13
+#define MT8167_MUTEX_MOD_DISP_GAMMA 14
+#define MT8167_MUTEX_MOD_DISP_DITHER 15
+#define MT8167_MUTEX_MOD_DISP_UFOE 16
+
+#define MT8192_MUTEX_MOD_DISP_OVL0 0
+#define MT8192_MUTEX_MOD_DISP_OVL0_2L 1
+#define MT8192_MUTEX_MOD_DISP_RDMA0 2
+#define MT8192_MUTEX_MOD_DISP_COLOR0 4
+#define MT8192_MUTEX_MOD_DISP_CCORR0 5
+#define MT8192_MUTEX_MOD_DISP_AAL0 6
+#define MT8192_MUTEX_MOD_DISP_GAMMA0 7
+#define MT8192_MUTEX_MOD_DISP_POSTMASK0 8
+#define MT8192_MUTEX_MOD_DISP_DITHER0 9
+#define MT8192_MUTEX_MOD_DISP_OVL2_2L 16
+#define MT8192_MUTEX_MOD_DISP_RDMA4 17
+
+#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 MT8183_MUTEX_MOD_MDP_RDMA0 2
+#define MT8183_MUTEX_MOD_MDP_RSZ0 4
+#define MT8183_MUTEX_MOD_MDP_RSZ1 5
+#define MT8183_MUTEX_MOD_MDP_TDSHP0 6
+#define MT8183_MUTEX_MOD_MDP_WROT0 7
+#define MT8183_MUTEX_MOD_MDP_WDMA 8
+#define MT8183_MUTEX_MOD_MDP_AAL0 23
+#define MT8183_MUTEX_MOD_MDP_CCORR0 24
+
+#define MT8186_MUTEX_MOD_MDP_RDMA0 0
+#define MT8186_MUTEX_MOD_MDP_AAL0 2
+#define MT8186_MUTEX_MOD_MDP_HDR0 4
+#define MT8186_MUTEX_MOD_MDP_RSZ0 5
+#define MT8186_MUTEX_MOD_MDP_RSZ1 6
+#define MT8186_MUTEX_MOD_MDP_WROT0 7
+#define MT8186_MUTEX_MOD_MDP_TDSHP0 9
+#define MT8186_MUTEX_MOD_MDP_COLOR0 14
+
+#define MT8173_MUTEX_MOD_DISP_OVL0 11
+#define MT8173_MUTEX_MOD_DISP_OVL1 12
+#define MT8173_MUTEX_MOD_DISP_RDMA0 13
+#define MT8173_MUTEX_MOD_DISP_RDMA1 14
+#define MT8173_MUTEX_MOD_DISP_RDMA2 15
+#define MT8173_MUTEX_MOD_DISP_WDMA0 16
+#define MT8173_MUTEX_MOD_DISP_WDMA1 17
+#define MT8173_MUTEX_MOD_DISP_COLOR0 18
+#define MT8173_MUTEX_MOD_DISP_COLOR1 19
+#define MT8173_MUTEX_MOD_DISP_AAL 20
+#define MT8173_MUTEX_MOD_DISP_GAMMA 21
+#define MT8173_MUTEX_MOD_DISP_UFOE 22
+#define MT8173_MUTEX_MOD_DISP_PWM0 23
+#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_VPP_MERGE 20
+#define MT8195_MUTEX_MOD_DISP_DP_INTF0 21
+#define MT8195_MUTEX_MOD_DISP_PWM0 27
+
+#define MT8365_MUTEX_MOD_DISP_OVL0 7
+#define MT8365_MUTEX_MOD_DISP_OVL0_2L 8
+#define MT8365_MUTEX_MOD_DISP_RDMA0 9
+#define MT8365_MUTEX_MOD_DISP_RDMA1 10
+#define MT8365_MUTEX_MOD_DISP_WDMA0 11
+#define MT8365_MUTEX_MOD_DISP_COLOR0 12
+#define MT8365_MUTEX_MOD_DISP_CCORR 13
+#define MT8365_MUTEX_MOD_DISP_AAL 14
+#define MT8365_MUTEX_MOD_DISP_GAMMA 15
+#define MT8365_MUTEX_MOD_DISP_DITHER 16
+#define MT8365_MUTEX_MOD_DISP_DSI0 17
+#define MT8365_MUTEX_MOD_DISP_PWM0 20
+#define MT8365_MUTEX_MOD_DISP_DPI0 22
+
+#define MT2712_MUTEX_MOD_DISP_PWM2 10
+#define MT2712_MUTEX_MOD_DISP_OVL0 11
+#define MT2712_MUTEX_MOD_DISP_OVL1 12
+#define MT2712_MUTEX_MOD_DISP_RDMA0 13
+#define MT2712_MUTEX_MOD_DISP_RDMA1 14
+#define MT2712_MUTEX_MOD_DISP_RDMA2 15
+#define MT2712_MUTEX_MOD_DISP_WDMA0 16
+#define MT2712_MUTEX_MOD_DISP_WDMA1 17
+#define MT2712_MUTEX_MOD_DISP_COLOR0 18
+#define MT2712_MUTEX_MOD_DISP_COLOR1 19
+#define MT2712_MUTEX_MOD_DISP_AAL0 20
+#define MT2712_MUTEX_MOD_DISP_UFOE 22
+#define MT2712_MUTEX_MOD_DISP_PWM0 23
+#define MT2712_MUTEX_MOD_DISP_PWM1 24
+#define MT2712_MUTEX_MOD_DISP_OD0 25
+#define MT2712_MUTEX_MOD2_DISP_AAL1 33
+#define MT2712_MUTEX_MOD2_DISP_OD1 34
+
+#define MT2701_MUTEX_MOD_DISP_OVL 3
+#define MT2701_MUTEX_MOD_DISP_WDMA 6
+#define MT2701_MUTEX_MOD_DISP_COLOR 7
+#define MT2701_MUTEX_MOD_DISP_BLS 9
+#define MT2701_MUTEX_MOD_DISP_RDMA0 10
+#define MT2701_MUTEX_MOD_DISP_RDMA1 12
+
+#define MT2712_MUTEX_SOF_SINGLE_MODE 0
+#define MT2712_MUTEX_SOF_DSI0 1
+#define MT2712_MUTEX_SOF_DSI1 2
+#define MT2712_MUTEX_SOF_DPI0 3
+#define MT2712_MUTEX_SOF_DPI1 4
+#define MT2712_MUTEX_SOF_DSI2 5
+#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 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;
+ bool claimed;
+};
+
+enum mtk_mutex_sof_id {
+ MUTEX_SOF_SINGLE_MODE,
+ MUTEX_SOF_DSI0,
+ MUTEX_SOF_DSI1,
+ MUTEX_SOF_DPI0,
+ 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 {
+ const unsigned int *mutex_mod;
+ const unsigned int *mutex_sof;
+ const unsigned int mutex_mod_reg;
+ const unsigned int mutex_sof_reg;
+ const unsigned int *mutex_table_mod;
+ const bool no_clk;
+};
+
+struct mtk_mutex_ctx {
+ struct device *dev;
+ struct clk *clk;
+ void __iomem *regs;
+ struct mtk_mutex mutex[10];
+ const struct mtk_mutex_data *data;
+ phys_addr_t addr;
+ struct cmdq_client_reg cmdq_reg;
+};
+
+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 mt2712_mutex_mod[DDP_COMPONENT_ID_MAX] = {
+ [DDP_COMPONENT_AAL0] = MT2712_MUTEX_MOD_DISP_AAL0,
+ [DDP_COMPONENT_AAL1] = MT2712_MUTEX_MOD2_DISP_AAL1,
+ [DDP_COMPONENT_COLOR0] = MT2712_MUTEX_MOD_DISP_COLOR0,
+ [DDP_COMPONENT_COLOR1] = MT2712_MUTEX_MOD_DISP_COLOR1,
+ [DDP_COMPONENT_OD0] = MT2712_MUTEX_MOD_DISP_OD0,
+ [DDP_COMPONENT_OD1] = MT2712_MUTEX_MOD2_DISP_OD1,
+ [DDP_COMPONENT_OVL0] = MT2712_MUTEX_MOD_DISP_OVL0,
+ [DDP_COMPONENT_OVL1] = MT2712_MUTEX_MOD_DISP_OVL1,
+ [DDP_COMPONENT_PWM0] = MT2712_MUTEX_MOD_DISP_PWM0,
+ [DDP_COMPONENT_PWM1] = MT2712_MUTEX_MOD_DISP_PWM1,
+ [DDP_COMPONENT_PWM2] = MT2712_MUTEX_MOD_DISP_PWM2,
+ [DDP_COMPONENT_RDMA0] = MT2712_MUTEX_MOD_DISP_RDMA0,
+ [DDP_COMPONENT_RDMA1] = MT2712_MUTEX_MOD_DISP_RDMA1,
+ [DDP_COMPONENT_RDMA2] = MT2712_MUTEX_MOD_DISP_RDMA2,
+ [DDP_COMPONENT_UFOE] = MT2712_MUTEX_MOD_DISP_UFOE,
+ [DDP_COMPONENT_WDMA0] = MT2712_MUTEX_MOD_DISP_WDMA0,
+ [DDP_COMPONENT_WDMA1] = MT2712_MUTEX_MOD_DISP_WDMA1,
+};
+
+static const unsigned int mt8167_mutex_mod[DDP_COMPONENT_ID_MAX] = {
+ [DDP_COMPONENT_AAL0] = MT8167_MUTEX_MOD_DISP_AAL,
+ [DDP_COMPONENT_CCORR] = MT8167_MUTEX_MOD_DISP_CCORR,
+ [DDP_COMPONENT_COLOR0] = MT8167_MUTEX_MOD_DISP_COLOR,
+ [DDP_COMPONENT_DITHER0] = MT8167_MUTEX_MOD_DISP_DITHER,
+ [DDP_COMPONENT_GAMMA] = MT8167_MUTEX_MOD_DISP_GAMMA,
+ [DDP_COMPONENT_OVL0] = MT8167_MUTEX_MOD_DISP_OVL0,
+ [DDP_COMPONENT_OVL1] = MT8167_MUTEX_MOD_DISP_OVL1,
+ [DDP_COMPONENT_PWM0] = MT8167_MUTEX_MOD_DISP_PWM,
+ [DDP_COMPONENT_RDMA0] = MT8167_MUTEX_MOD_DISP_RDMA0,
+ [DDP_COMPONENT_RDMA1] = MT8167_MUTEX_MOD_DISP_RDMA1,
+ [DDP_COMPONENT_UFOE] = MT8167_MUTEX_MOD_DISP_UFOE,
+ [DDP_COMPONENT_WDMA0] = MT8167_MUTEX_MOD_DISP_WDMA0,
+};
+
+static const unsigned int mt8173_mutex_mod[DDP_COMPONENT_ID_MAX] = {
+ [DDP_COMPONENT_AAL0] = MT8173_MUTEX_MOD_DISP_AAL,
+ [DDP_COMPONENT_COLOR0] = MT8173_MUTEX_MOD_DISP_COLOR0,
+ [DDP_COMPONENT_COLOR1] = MT8173_MUTEX_MOD_DISP_COLOR1,
+ [DDP_COMPONENT_GAMMA] = MT8173_MUTEX_MOD_DISP_GAMMA,
+ [DDP_COMPONENT_OD0] = MT8173_MUTEX_MOD_DISP_OD,
+ [DDP_COMPONENT_OVL0] = MT8173_MUTEX_MOD_DISP_OVL0,
+ [DDP_COMPONENT_OVL1] = MT8173_MUTEX_MOD_DISP_OVL1,
+ [DDP_COMPONENT_PWM0] = MT8173_MUTEX_MOD_DISP_PWM0,
+ [DDP_COMPONENT_PWM1] = MT8173_MUTEX_MOD_DISP_PWM1,
+ [DDP_COMPONENT_RDMA0] = MT8173_MUTEX_MOD_DISP_RDMA0,
+ [DDP_COMPONENT_RDMA1] = MT8173_MUTEX_MOD_DISP_RDMA1,
+ [DDP_COMPONENT_RDMA2] = MT8173_MUTEX_MOD_DISP_RDMA2,
+ [DDP_COMPONENT_UFOE] = MT8173_MUTEX_MOD_DISP_UFOE,
+ [DDP_COMPONENT_WDMA0] = MT8173_MUTEX_MOD_DISP_WDMA0,
+ [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_DITHER0] = 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 mt8183_mutex_table_mod[MUTEX_MOD_IDX_MAX] = {
+ [MUTEX_MOD_IDX_MDP_RDMA0] = MT8183_MUTEX_MOD_MDP_RDMA0,
+ [MUTEX_MOD_IDX_MDP_RSZ0] = MT8183_MUTEX_MOD_MDP_RSZ0,
+ [MUTEX_MOD_IDX_MDP_RSZ1] = MT8183_MUTEX_MOD_MDP_RSZ1,
+ [MUTEX_MOD_IDX_MDP_TDSHP0] = MT8183_MUTEX_MOD_MDP_TDSHP0,
+ [MUTEX_MOD_IDX_MDP_WROT0] = MT8183_MUTEX_MOD_MDP_WROT0,
+ [MUTEX_MOD_IDX_MDP_WDMA] = MT8183_MUTEX_MOD_MDP_WDMA,
+ [MUTEX_MOD_IDX_MDP_AAL0] = MT8183_MUTEX_MOD_MDP_AAL0,
+ [MUTEX_MOD_IDX_MDP_CCORR0] = MT8183_MUTEX_MOD_MDP_CCORR0,
+};
+
+static const unsigned int mt8186_mutex_mod[DDP_COMPONENT_ID_MAX] = {
+ [DDP_COMPONENT_AAL0] = MT8186_MUTEX_MOD_DISP_AAL0,
+ [DDP_COMPONENT_CCORR] = MT8186_MUTEX_MOD_DISP_CCORR0,
+ [DDP_COMPONENT_COLOR0] = MT8186_MUTEX_MOD_DISP_COLOR0,
+ [DDP_COMPONENT_DITHER0] = MT8186_MUTEX_MOD_DISP_DITHER0,
+ [DDP_COMPONENT_GAMMA] = MT8186_MUTEX_MOD_DISP_GAMMA0,
+ [DDP_COMPONENT_OVL0] = MT8186_MUTEX_MOD_DISP_OVL0,
+ [DDP_COMPONENT_OVL_2L0] = MT8186_MUTEX_MOD_DISP_OVL0_2L,
+ [DDP_COMPONENT_POSTMASK0] = MT8186_MUTEX_MOD_DISP_POSTMASK0,
+ [DDP_COMPONENT_RDMA0] = MT8186_MUTEX_MOD_DISP_RDMA0,
+ [DDP_COMPONENT_RDMA1] = MT8186_MUTEX_MOD_DISP_RDMA1,
+};
+
+static const unsigned int mt8186_mdp_mutex_table_mod[MUTEX_MOD_IDX_MAX] = {
+ [MUTEX_MOD_IDX_MDP_RDMA0] = MT8186_MUTEX_MOD_MDP_RDMA0,
+ [MUTEX_MOD_IDX_MDP_RSZ0] = MT8186_MUTEX_MOD_MDP_RSZ0,
+ [MUTEX_MOD_IDX_MDP_RSZ1] = MT8186_MUTEX_MOD_MDP_RSZ1,
+ [MUTEX_MOD_IDX_MDP_TDSHP0] = MT8186_MUTEX_MOD_MDP_TDSHP0,
+ [MUTEX_MOD_IDX_MDP_WROT0] = MT8186_MUTEX_MOD_MDP_WROT0,
+ [MUTEX_MOD_IDX_MDP_HDR0] = MT8186_MUTEX_MOD_MDP_HDR0,
+ [MUTEX_MOD_IDX_MDP_AAL0] = MT8186_MUTEX_MOD_MDP_AAL0,
+ [MUTEX_MOD_IDX_MDP_COLOR0] = MT8186_MUTEX_MOD_MDP_COLOR0,
+};
+
+static const unsigned int mt8192_mutex_mod[DDP_COMPONENT_ID_MAX] = {
+ [DDP_COMPONENT_AAL0] = MT8192_MUTEX_MOD_DISP_AAL0,
+ [DDP_COMPONENT_CCORR] = MT8192_MUTEX_MOD_DISP_CCORR0,
+ [DDP_COMPONENT_COLOR0] = MT8192_MUTEX_MOD_DISP_COLOR0,
+ [DDP_COMPONENT_DITHER0] = MT8192_MUTEX_MOD_DISP_DITHER0,
+ [DDP_COMPONENT_GAMMA] = MT8192_MUTEX_MOD_DISP_GAMMA0,
+ [DDP_COMPONENT_POSTMASK0] = MT8192_MUTEX_MOD_DISP_POSTMASK0,
+ [DDP_COMPONENT_OVL0] = MT8192_MUTEX_MOD_DISP_OVL0,
+ [DDP_COMPONENT_OVL_2L0] = MT8192_MUTEX_MOD_DISP_OVL0_2L,
+ [DDP_COMPONENT_OVL_2L2] = MT8192_MUTEX_MOD_DISP_OVL2_2L,
+ [DDP_COMPONENT_RDMA0] = MT8192_MUTEX_MOD_DISP_RDMA0,
+ [DDP_COMPONENT_RDMA4] = MT8192_MUTEX_MOD_DISP_RDMA4,
+};
+
+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_DITHER0] = 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 mt8365_mutex_mod[DDP_COMPONENT_ID_MAX] = {
+ [DDP_COMPONENT_AAL0] = MT8365_MUTEX_MOD_DISP_AAL,
+ [DDP_COMPONENT_CCORR] = MT8365_MUTEX_MOD_DISP_CCORR,
+ [DDP_COMPONENT_COLOR0] = MT8365_MUTEX_MOD_DISP_COLOR0,
+ [DDP_COMPONENT_DITHER0] = MT8365_MUTEX_MOD_DISP_DITHER,
+ [DDP_COMPONENT_DPI0] = MT8365_MUTEX_MOD_DISP_DPI0,
+ [DDP_COMPONENT_DSI0] = MT8365_MUTEX_MOD_DISP_DSI0,
+ [DDP_COMPONENT_GAMMA] = MT8365_MUTEX_MOD_DISP_GAMMA,
+ [DDP_COMPONENT_OVL0] = MT8365_MUTEX_MOD_DISP_OVL0,
+ [DDP_COMPONENT_OVL_2L0] = MT8365_MUTEX_MOD_DISP_OVL0_2L,
+ [DDP_COMPONENT_PWM0] = MT8365_MUTEX_MOD_DISP_PWM0,
+ [DDP_COMPONENT_RDMA0] = MT8365_MUTEX_MOD_DISP_RDMA0,
+ [DDP_COMPONENT_RDMA1] = MT8365_MUTEX_MOD_DISP_RDMA1,
+ [DDP_COMPONENT_WDMA0] = MT8365_MUTEX_MOD_DISP_WDMA0,
+};
+
+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,
+ [MUTEX_SOF_DPI0] = MUTEX_SOF_DPI0,
+ [MUTEX_SOF_DPI1] = MUTEX_SOF_DPI1,
+ [MUTEX_SOF_DSI2] = MUTEX_SOF_DSI2,
+ [MUTEX_SOF_DSI3] = MUTEX_SOF_DSI3,
+};
+
+static const unsigned int mt6795_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,
+ [MUTEX_SOF_DPI0] = MUTEX_SOF_DPI0,
+};
+
+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,
+ [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[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,
+};
+
+static const unsigned int mt8186_mutex_sof[MUTEX_SOF_DSI3 + 1] = {
+ [MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE,
+ [MUTEX_SOF_DSI0] = MT8186_MUTEX_SOF_DSI0 | MT8186_MUTEX_EOF_DSI0,
+ [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,
+ .mutex_mod_reg = MT2701_MUTEX0_MOD0,
+ .mutex_sof_reg = MT2701_MUTEX0_SOF0,
+};
+
+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_sof_reg = MT2701_MUTEX0_SOF0,
+};
+
+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_sof_reg = MT2701_MUTEX0_SOF0,
+};
+
+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_sof_reg = MT2701_MUTEX0_SOF0,
+ .no_clk = true,
+};
+
+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_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,
+ .mutex_table_mod = mt8183_mutex_table_mod,
+ .no_clk = true,
+};
+
+static const struct mtk_mutex_data mt8186_mdp_mutex_driver_data = {
+ .mutex_mod_reg = MT8183_MUTEX0_MOD0,
+ .mutex_sof_reg = MT8183_MUTEX0_SOF0,
+ .mutex_table_mod = mt8186_mdp_mutex_table_mod,
+};
+
+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_sof_reg = MT8183_MUTEX0_SOF0,
+};
+
+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_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 = MT8183_MUTEX0_MOD0,
+ .mutex_sof_reg = MT8183_MUTEX0_SOF0,
+};
+
+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_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);
+ int i;
+
+ for (i = 0; i < 10; i++)
+ if (!mtx->mutex[i].claimed) {
+ mtx->mutex[i].claimed = true;
+ return &mtx->mutex[i];
+ }
+
+ return ERR_PTR(-EBUSY);
+}
+EXPORT_SYMBOL_GPL(mtk_mutex_get);
+
+void mtk_mutex_put(struct mtk_mutex *mutex)
+{
+ struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
+ mutex[mutex->id]);
+
+ WARN_ON(&mtx->mutex[mutex->id] != mutex);
+
+ mutex->claimed = false;
+}
+EXPORT_SYMBOL_GPL(mtk_mutex_put);
+
+int mtk_mutex_prepare(struct mtk_mutex *mutex)
+{
+ struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
+ mutex[mutex->id]);
+ return clk_prepare_enable(mtx->clk);
+}
+EXPORT_SYMBOL_GPL(mtk_mutex_prepare);
+
+void mtk_mutex_unprepare(struct mtk_mutex *mutex)
+{
+ struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
+ mutex[mutex->id]);
+ clk_disable_unprepare(mtx->clk);
+}
+EXPORT_SYMBOL_GPL(mtk_mutex_unprepare);
+
+void mtk_mutex_add_comp(struct mtk_mutex *mutex,
+ enum mtk_ddp_comp_id id)
+{
+ struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
+ mutex[mutex->id]);
+ unsigned int reg;
+ unsigned int sof_id;
+ unsigned int offset;
+
+ WARN_ON(&mtx->mutex[mutex->id] != mutex);
+
+ switch (id) {
+ case DDP_COMPONENT_DSI0:
+ sof_id = MUTEX_SOF_DSI0;
+ break;
+ case DDP_COMPONENT_DSI1:
+ sof_id = MUTEX_SOF_DSI0;
+ break;
+ case DDP_COMPONENT_DSI2:
+ sof_id = MUTEX_SOF_DSI2;
+ break;
+ case DDP_COMPONENT_DSI3:
+ sof_id = MUTEX_SOF_DSI3;
+ break;
+ case DDP_COMPONENT_DPI0:
+ sof_id = MUTEX_SOF_DPI0;
+ break;
+ 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,
+ 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);
+ }
+ return;
+ }
+
+ writel_relaxed(mtx->data->mutex_sof[sof_id],
+ mtx->regs +
+ DISP_REG_MUTEX_SOF(mtx->data->mutex_sof_reg, mutex->id));
+}
+EXPORT_SYMBOL_GPL(mtk_mutex_add_comp);
+
+void mtk_mutex_remove_comp(struct mtk_mutex *mutex,
+ enum mtk_ddp_comp_id id)
+{
+ struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
+ mutex[mutex->id]);
+ unsigned int reg;
+ unsigned int offset;
+
+ WARN_ON(&mtx->mutex[mutex->id] != mutex);
+
+ switch (id) {
+ case DDP_COMPONENT_DSI0:
+ case DDP_COMPONENT_DSI1:
+ case DDP_COMPONENT_DSI2:
+ 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,
+ 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);
+ }
+ break;
+ }
+}
+EXPORT_SYMBOL_GPL(mtk_mutex_remove_comp);
+
+void mtk_mutex_enable(struct mtk_mutex *mutex)
+{
+ struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
+ mutex[mutex->id]);
+
+ WARN_ON(&mtx->mutex[mutex->id] != mutex);
+
+ writel(1, mtx->regs + DISP_REG_MUTEX_EN(mutex->id));
+}
+EXPORT_SYMBOL_GPL(mtk_mutex_enable);
+
+int mtk_mutex_enable_by_cmdq(struct mtk_mutex *mutex, void *pkt)
+{
+ struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
+ mutex[mutex->id]);
+#if IS_REACHABLE(CONFIG_MTK_CMDQ)
+ struct cmdq_pkt *cmdq_pkt = (struct cmdq_pkt *)pkt;
+
+ WARN_ON(&mtx->mutex[mutex->id] != mutex);
+
+ if (!mtx->cmdq_reg.size) {
+ dev_err(mtx->dev, "mediatek,gce-client-reg hasn't been set");
+ return -EINVAL;
+ }
+
+ cmdq_pkt_write(cmdq_pkt, mtx->cmdq_reg.subsys,
+ mtx->addr + DISP_REG_MUTEX_EN(mutex->id), 1);
+ return 0;
+#else
+ dev_err(mtx->dev, "Not support for enable MUTEX by CMDQ");
+ return -ENODEV;
+#endif
+}
+EXPORT_SYMBOL_GPL(mtk_mutex_enable_by_cmdq);
+
+void mtk_mutex_disable(struct mtk_mutex *mutex)
+{
+ struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
+ mutex[mutex->id]);
+
+ WARN_ON(&mtx->mutex[mutex->id] != mutex);
+
+ writel(0, mtx->regs + DISP_REG_MUTEX_EN(mutex->id));
+}
+EXPORT_SYMBOL_GPL(mtk_mutex_disable);
+
+void mtk_mutex_acquire(struct mtk_mutex *mutex)
+{
+ struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
+ mutex[mutex->id]);
+ u32 tmp;
+
+ writel(1, mtx->regs + DISP_REG_MUTEX_EN(mutex->id));
+ writel(1, mtx->regs + DISP_REG_MUTEX(mutex->id));
+ if (readl_poll_timeout_atomic(mtx->regs + DISP_REG_MUTEX(mutex->id),
+ tmp, tmp & INT_MUTEX, 1, 10000))
+ pr_err("could not acquire mutex %d\n", mutex->id);
+}
+EXPORT_SYMBOL_GPL(mtk_mutex_acquire);
+
+void mtk_mutex_release(struct mtk_mutex *mutex)
+{
+ struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
+ mutex[mutex->id]);
+
+ writel(0, mtx->regs + DISP_REG_MUTEX(mutex->id));
+}
+EXPORT_SYMBOL_GPL(mtk_mutex_release);
+
+int mtk_mutex_write_mod(struct mtk_mutex *mutex,
+ enum mtk_mutex_mod_index idx, bool clear)
+{
+ struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
+ mutex[mutex->id]);
+ unsigned int reg;
+ unsigned int offset;
+
+ WARN_ON(&mtx->mutex[mutex->id] != mutex);
+
+ if (idx < MUTEX_MOD_IDX_MDP_RDMA0 ||
+ idx >= MUTEX_MOD_IDX_MAX) {
+ dev_err(mtx->dev, "Not supported MOD table index : %d", idx);
+ return -EINVAL;
+ }
+
+ offset = DISP_REG_MUTEX_MOD(mtx->data->mutex_mod_reg,
+ mutex->id);
+ reg = readl_relaxed(mtx->regs + offset);
+
+ if (clear)
+ reg &= ~BIT(mtx->data->mutex_table_mod[idx]);
+ else
+ reg |= BIT(mtx->data->mutex_table_mod[idx]);
+
+ writel_relaxed(reg, mtx->regs + offset);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(mtk_mutex_write_mod);
+
+int mtk_mutex_write_sof(struct mtk_mutex *mutex,
+ enum mtk_mutex_sof_index idx)
+{
+ struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
+ mutex[mutex->id]);
+
+ WARN_ON(&mtx->mutex[mutex->id] != mutex);
+
+ if (idx < MUTEX_SOF_IDX_SINGLE_MODE ||
+ idx >= MUTEX_SOF_IDX_MAX) {
+ dev_err(mtx->dev, "Not supported SOF index : %d", idx);
+ return -EINVAL;
+ }
+
+ writel_relaxed(idx, mtx->regs +
+ DISP_REG_MUTEX_SOF(mtx->data->mutex_sof_reg, mutex->id));
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(mtk_mutex_write_sof);
+
+static int mtk_mutex_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct mtk_mutex_ctx *mtx;
+ struct resource *regs;
+ int i;
+#if IS_REACHABLE(CONFIG_MTK_CMDQ)
+ int ret;
+#endif
+
+ mtx = devm_kzalloc(dev, sizeof(*mtx), GFP_KERNEL);
+ if (!mtx)
+ return -ENOMEM;
+
+ for (i = 0; i < 10; i++)
+ mtx->mutex[i].id = i;
+
+ mtx->data = of_device_get_match_data(dev);
+
+ if (!mtx->data->no_clk) {
+ mtx->clk = devm_clk_get(dev, NULL);
+ if (IS_ERR(mtx->clk)) {
+ if (PTR_ERR(mtx->clk) != -EPROBE_DEFER)
+ dev_err(dev, "Failed to get clock\n");
+ return PTR_ERR(mtx->clk);
+ }
+ }
+
+ mtx->regs = devm_platform_get_and_ioremap_resource(pdev, 0, &regs);
+ if (IS_ERR(mtx->regs)) {
+ dev_err(dev, "Failed to map mutex registers\n");
+ return PTR_ERR(mtx->regs);
+ }
+ mtx->addr = regs->start;
+
+#if IS_REACHABLE(CONFIG_MTK_CMDQ)
+ ret = cmdq_dev_get_client_reg(dev, &mtx->cmdq_reg, 0);
+ if (ret)
+ dev_dbg(dev, "No mediatek,gce-client-reg!\n");
+#endif
+
+ platform_set_drvdata(pdev, mtx);
+
+ return 0;
+}
+
+static int mtk_mutex_remove(struct platform_device *pdev)
+{
+ return 0;
+}
+
+static const struct of_device_id mutex_driver_dt_match[] = {
+ { .compatible = "mediatek,mt2701-disp-mutex",
+ .data = &mt2701_mutex_driver_data},
+ { .compatible = "mediatek,mt2712-disp-mutex",
+ .data = &mt2712_mutex_driver_data},
+ { .compatible = "mediatek,mt6795-disp-mutex",
+ .data = &mt6795_mutex_driver_data},
+ { .compatible = "mediatek,mt8167-disp-mutex",
+ .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},
+ { .compatible = "mediatek,mt8186-disp-mutex",
+ .data = &mt8186_mutex_driver_data},
+ { .compatible = "mediatek,mt8186-mdp3-mutex",
+ .data = &mt8186_mdp_mutex_driver_data},
+ { .compatible = "mediatek,mt8192-disp-mutex",
+ .data = &mt8192_mutex_driver_data},
+ { .compatible = "mediatek,mt8195-disp-mutex",
+ .data = &mt8195_mutex_driver_data},
+ { .compatible = "mediatek,mt8365-disp-mutex",
+ .data = &mt8365_mutex_driver_data},
+ {},
+};
+MODULE_DEVICE_TABLE(of, mutex_driver_dt_match);
+
+static struct platform_driver mtk_mutex_driver = {
+ .probe = mtk_mutex_probe,
+ .remove = mtk_mutex_remove,
+ .driver = {
+ .name = "mediatek-mutex",
+ .owner = THIS_MODULE,
+ .of_match_table = mutex_driver_dt_match,
+ },
+};
+
+builtin_platform_driver(mtk_mutex_driver);