Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
CK Hu | 1102 | 43.37% | 5 | 13.16% |
Enric Balletbò i Serra | 388 | 15.27% | 1 | 2.63% |
stu.hsieh at mediatek.com | 333 | 13.11% | 19 | 50.00% |
Yongqiang Niu | 291 | 11.45% | 5 | 13.16% |
Fabien Parent | 212 | 8.34% | 1 | 2.63% |
Yt Shen | 201 | 7.91% | 4 | 10.53% |
Matthias Brugger | 11 | 0.43% | 1 | 2.63% |
Thomas Gleixner | 2 | 0.08% | 1 | 2.63% |
Wei Yongjun | 1 | 0.04% | 1 | 2.63% |
Total | 2541 | 38 |
// 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/platform_device.h> #include <linux/regmap.h> #include <linux/soc/mediatek/mtk-mmsys.h> #include <linux/soc/mediatek/mtk-mutex.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 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 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 #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 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 MT8183_MUTEX_EOF_DSI0 (MT8183_MUTEX_SOF_DSI0 << 6) #define MT8183_MUTEX_EOF_DPI0 (MT8183_MUTEX_SOF_DPI0 << 6) 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, }; 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 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; }; 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_DITHER] = 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_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, [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 mt8167_mutex_sof[MUTEX_SOF_DSI3 + 1] = { [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[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, .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 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, .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; 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: 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); 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); static int mtk_mutex_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct mtk_mutex_ctx *mtx; struct resource *regs; int i; 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); } } regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); mtx->regs = devm_ioremap_resource(dev, regs); if (IS_ERR(mtx->regs)) { dev_err(dev, "Failed to map mutex registers\n"); return PTR_ERR(mtx->regs); } 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,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}, {}, }; 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);
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