diff options
Diffstat (limited to 'drivers/soc/mediatek/mtk-mutex.c')
| -rw-r--r-- | drivers/soc/mediatek/mtk-mutex.c | 155 |
1 files changed, 153 insertions, 2 deletions
diff --git a/drivers/soc/mediatek/mtk-mutex.c b/drivers/soc/mediatek/mtk-mutex.c index 981d56967e7a..5ea43de4e410 100644 --- a/drivers/soc/mediatek/mtk-mutex.c +++ b/drivers/soc/mediatek/mtk-mutex.c @@ -7,10 +7,12 @@ #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 @@ -80,6 +82,15 @@ #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 MT8173_MUTEX_MOD_DISP_OVL0 11 #define MT8173_MUTEX_MOD_DISP_OVL1 12 #define MT8173_MUTEX_MOD_DISP_RDMA0 13 @@ -110,6 +121,20 @@ #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 @@ -185,6 +210,7 @@ struct mtk_mutex_data { 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; }; @@ -194,6 +220,8 @@ struct mtk_mutex_ctx { 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] = { @@ -272,6 +300,17 @@ static const unsigned int mt8183_mutex_mod[DDP_COMPONENT_ID_MAX] = { [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, @@ -315,6 +354,22 @@ static const unsigned int mt8195_mutex_mod[DDP_COMPONENT_ID_MAX] = { [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, @@ -399,6 +454,7 @@ static const struct mtk_mutex_data mt8183_mutex_driver_data = { .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, }; @@ -423,6 +479,14 @@ static const struct mtk_mutex_data mt8195_mutex_driver_data = { .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); @@ -572,6 +636,30 @@ void mtk_mutex_enable(struct mtk_mutex *mutex) } 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, @@ -606,12 +694,67 @@ void mtk_mutex_release(struct mtk_mutex *mutex) } 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) @@ -631,12 +774,18 @@ static int mtk_mutex_probe(struct platform_device *pdev) } } - regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); - mtx->regs = devm_ioremap_resource(dev, regs); + mtx->regs = devm_platform_get_and_ioremap_resource(pdev, 0, ®s); 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); @@ -665,6 +814,8 @@ static const struct of_device_id mutex_driver_dt_match[] = { .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); |