diff options
Diffstat (limited to 'drivers/thermal/hisi_thermal.c')
| -rw-r--r-- | drivers/thermal/hisi_thermal.c | 145 |
1 files changed, 73 insertions, 72 deletions
diff --git a/drivers/thermal/hisi_thermal.c b/drivers/thermal/hisi_thermal.c index a0b7e26e4796..c2cb2807372d 100644 --- a/drivers/thermal/hisi_thermal.c +++ b/drivers/thermal/hisi_thermal.c @@ -26,25 +26,24 @@ #include "thermal_core.h" -#define TEMP0_LAG (0x0) -#define TEMP0_TH (0x4) -#define TEMP0_RST_TH (0x8) -#define TEMP0_CFG (0xC) -#define TEMP0_CFG_SS_MSK (0xF000) -#define TEMP0_CFG_HDAK_MSK (0x30) -#define TEMP0_EN (0x10) -#define TEMP0_INT_EN (0x14) -#define TEMP0_INT_CLR (0x18) -#define TEMP0_RST_MSK (0x1C) -#define TEMP0_VALUE (0x28) - -#define HISI_TEMP_BASE (-60000) -#define HISI_TEMP_RESET (100000) -#define HISI_TEMP_STEP (785) -#define HISI_TEMP_LAG (3500) - -#define HISI_MAX_SENSORS 4 -#define HISI_DEFAULT_SENSOR 2 +#define HI6220_TEMP0_LAG (0x0) +#define HI6220_TEMP0_TH (0x4) +#define HI6220_TEMP0_RST_TH (0x8) +#define HI6220_TEMP0_CFG (0xC) +#define HI6220_TEMP0_CFG_SS_MSK (0xF000) +#define HI6220_TEMP0_CFG_HDAK_MSK (0x30) +#define HI6220_TEMP0_EN (0x10) +#define HI6220_TEMP0_INT_EN (0x14) +#define HI6220_TEMP0_INT_CLR (0x18) +#define HI6220_TEMP0_RST_MSK (0x1C) +#define HI6220_TEMP0_VALUE (0x28) + +#define HI6220_TEMP_BASE (-60000) +#define HI6220_TEMP_RESET (100000) +#define HI6220_TEMP_STEP (785) +#define HI6220_TEMP_LAG (3500) + +#define HI6220_DEFAULT_SENSOR 2 struct hisi_thermal_sensor { struct thermal_zone_device *tzd; @@ -78,14 +77,14 @@ struct hisi_thermal_data { * steps = (Temp - TempBase) / 785 * */ -static inline int hisi_thermal_step_to_temp(int step) +static inline int hi6220_thermal_step_to_temp(int step) { - return HISI_TEMP_BASE + (step * HISI_TEMP_STEP); + return HI6220_TEMP_BASE + (step * HI6220_TEMP_STEP); } -static inline int hisi_thermal_temp_to_step(int temp) +static inline int hi6220_thermal_temp_to_step(int temp) { - return DIV_ROUND_UP(temp - HISI_TEMP_BASE, HISI_TEMP_STEP); + return DIV_ROUND_UP(temp - HI6220_TEMP_BASE, HI6220_TEMP_STEP); } /* @@ -112,51 +111,53 @@ static inline int hisi_thermal_temp_to_step(int temp) * * [0:4] : lag register * - * The temperature is coded in steps, cf. HISI_TEMP_STEP. + * The temperature is coded in steps, cf. HI6220_TEMP_STEP. * * Min : 0x00 : 0.0 °C * Max : 0x1F : 24.3 °C * * The 'value' parameter is in milliCelsius. */ -static inline void hisi_thermal_set_lag(void __iomem *addr, int value) +static inline void hi6220_thermal_set_lag(void __iomem *addr, int value) { - writel(DIV_ROUND_UP(value, HISI_TEMP_STEP) & 0x1F, addr + TEMP0_LAG); + writel(DIV_ROUND_UP(value, HI6220_TEMP_STEP) & 0x1F, + addr + HI6220_TEMP0_LAG); } -static inline void hisi_thermal_alarm_clear(void __iomem *addr, int value) +static inline void hi6220_thermal_alarm_clear(void __iomem *addr, int value) { - writel(value, addr + TEMP0_INT_CLR); + writel(value, addr + HI6220_TEMP0_INT_CLR); } -static inline void hisi_thermal_alarm_enable(void __iomem *addr, int value) +static inline void hi6220_thermal_alarm_enable(void __iomem *addr, int value) { - writel(value, addr + TEMP0_INT_EN); + writel(value, addr + HI6220_TEMP0_INT_EN); } -static inline void hisi_thermal_alarm_set(void __iomem *addr, int temp) +static inline void hi6220_thermal_alarm_set(void __iomem *addr, int temp) { - writel(hisi_thermal_temp_to_step(temp) | 0x0FFFFFF00, addr + TEMP0_TH); + writel(hi6220_thermal_temp_to_step(temp) | 0x0FFFFFF00, + addr + HI6220_TEMP0_TH); } -static inline void hisi_thermal_reset_set(void __iomem *addr, int temp) +static inline void hi6220_thermal_reset_set(void __iomem *addr, int temp) { - writel(hisi_thermal_temp_to_step(temp), addr + TEMP0_RST_TH); + writel(hi6220_thermal_temp_to_step(temp), addr + HI6220_TEMP0_RST_TH); } -static inline void hisi_thermal_reset_enable(void __iomem *addr, int value) +static inline void hi6220_thermal_reset_enable(void __iomem *addr, int value) { - writel(value, addr + TEMP0_RST_MSK); + writel(value, addr + HI6220_TEMP0_RST_MSK); } -static inline void hisi_thermal_enable(void __iomem *addr, int value) +static inline void hi6220_thermal_enable(void __iomem *addr, int value) { - writel(value, addr + TEMP0_EN); + writel(value, addr + HI6220_TEMP0_EN); } -static inline int hisi_thermal_get_temperature(void __iomem *addr) +static inline int hi6220_thermal_get_temperature(void __iomem *addr) { - return hisi_thermal_step_to_temp(readl(addr + TEMP0_VALUE)); + return hi6220_thermal_step_to_temp(readl(addr + HI6220_TEMP0_VALUE)); } /* @@ -169,10 +170,10 @@ static inline int hisi_thermal_get_temperature(void __iomem *addr) * 0x2: remote sensor 2 (ACPU cluster 0) * 0x3: remote sensor 3 (G3D) */ -static inline void hisi_thermal_sensor_select(void __iomem *addr, int sensor) +static inline void hi6220_thermal_sensor_select(void __iomem *addr, int sensor) { - writel((readl(addr + TEMP0_CFG) & ~TEMP0_CFG_SS_MSK) | - (sensor << 12), addr + TEMP0_CFG); + writel((readl(addr + HI6220_TEMP0_CFG) & ~HI6220_TEMP0_CFG_SS_MSK) | + (sensor << 12), addr + HI6220_TEMP0_CFG); } /* @@ -185,23 +186,23 @@ static inline void hisi_thermal_sensor_select(void __iomem *addr, int sensor) * 0x2 : 49.152 ms * 0x3 : 393.216 ms */ -static inline void hisi_thermal_hdak_set(void __iomem *addr, int value) +static inline void hi6220_thermal_hdak_set(void __iomem *addr, int value) { - writel((readl(addr + TEMP0_CFG) & ~TEMP0_CFG_HDAK_MSK) | - (value << 4), addr + TEMP0_CFG); + writel((readl(addr + HI6220_TEMP0_CFG) & ~HI6220_TEMP0_CFG_HDAK_MSK) | + (value << 4), addr + HI6220_TEMP0_CFG); } -static void hisi_thermal_disable_sensor(struct hisi_thermal_data *data) +static void hi6220_thermal_disable_sensor(struct hisi_thermal_data *data) { /* disable sensor module */ - hisi_thermal_enable(data->regs, 0); - hisi_thermal_alarm_enable(data->regs, 0); - hisi_thermal_reset_enable(data->regs, 0); + hi6220_thermal_enable(data->regs, 0); + hi6220_thermal_alarm_enable(data->regs, 0); + hi6220_thermal_reset_enable(data->regs, 0); clk_disable_unprepare(data->clk); } -static int hisi_thermal_setup(struct hisi_thermal_data *data) +static int hi6220_thermal_enable_sensor(struct hisi_thermal_data *data) { struct hisi_thermal_sensor *sensor = &data->sensor; int ret; @@ -212,29 +213,29 @@ static int hisi_thermal_setup(struct hisi_thermal_data *data) return ret; /* disable module firstly */ - hisi_thermal_reset_enable(data->regs, 0); - hisi_thermal_enable(data->regs, 0); + hi6220_thermal_reset_enable(data->regs, 0); + hi6220_thermal_enable(data->regs, 0); /* select sensor id */ - hisi_thermal_sensor_select(data->regs, sensor->id); + hi6220_thermal_sensor_select(data->regs, sensor->id); /* setting the hdak time */ - hisi_thermal_hdak_set(data->regs, 0); + hi6220_thermal_hdak_set(data->regs, 0); /* setting lag value between current temp and the threshold */ - hisi_thermal_set_lag(data->regs, HISI_TEMP_LAG); + hi6220_thermal_set_lag(data->regs, HI6220_TEMP_LAG); /* enable for interrupt */ - hisi_thermal_alarm_set(data->regs, sensor->thres_temp); + hi6220_thermal_alarm_set(data->regs, sensor->thres_temp); - hisi_thermal_reset_set(data->regs, HISI_TEMP_RESET); + hi6220_thermal_reset_set(data->regs, HI6220_TEMP_RESET); /* enable module */ - hisi_thermal_reset_enable(data->regs, 1); - hisi_thermal_enable(data->regs, 1); + hi6220_thermal_reset_enable(data->regs, 1); + hi6220_thermal_enable(data->regs, 1); - hisi_thermal_alarm_clear(data->regs, 0); - hisi_thermal_alarm_enable(data->regs, 1); + hi6220_thermal_alarm_clear(data->regs, 0); + hi6220_thermal_alarm_enable(data->regs, 1); return 0; } @@ -244,7 +245,7 @@ static int hisi_thermal_get_temp(void *__data, int *temp) struct hisi_thermal_data *data = __data; struct hisi_thermal_sensor *sensor = &data->sensor; - *temp = hisi_thermal_get_temperature(data->regs); + *temp = hi6220_thermal_get_temperature(data->regs); dev_dbg(&data->pdev->dev, "id=%d, temp=%d, thres=%d\n", sensor->id, *temp, sensor->thres_temp); @@ -260,11 +261,11 @@ static irqreturn_t hisi_thermal_alarm_irq_thread(int irq, void *dev) { struct hisi_thermal_data *data = dev; struct hisi_thermal_sensor *sensor = &data->sensor; - int temp; + int temp = 0; - hisi_thermal_alarm_clear(data->regs, 1); + hi6220_thermal_alarm_clear(data->regs, 1); - temp = hisi_thermal_get_temperature(data->regs); + hisi_thermal_get_temp(data, &temp); if (temp >= sensor->thres_temp) { dev_crit(&data->pdev->dev, "THERMAL ALARM: %d > %d\n", @@ -273,7 +274,7 @@ static irqreturn_t hisi_thermal_alarm_irq_thread(int irq, void *dev) thermal_zone_device_update(data->sensor.tzd, THERMAL_EVENT_UNSPECIFIED); - } else if (temp < sensor->thres_temp) { + } else { dev_crit(&data->pdev->dev, "THERMAL ALARM stopped: %d < %d\n", temp, sensor->thres_temp); } @@ -365,14 +366,14 @@ static int hisi_thermal_probe(struct platform_device *pdev) ret = hisi_thermal_register_sensor(pdev, data, &data->sensor, - HISI_DEFAULT_SENSOR); + HI6220_DEFAULT_SENSOR); if (ret) { dev_err(&pdev->dev, "failed to register thermal sensor: %d\n", ret); return ret; } - ret = hisi_thermal_setup(data); + ret = hi6220_thermal_enable_sensor(data); if (ret) { dev_err(&pdev->dev, "Failed to setup the sensor: %d\n", ret); return ret; @@ -397,7 +398,7 @@ static int hisi_thermal_remove(struct platform_device *pdev) struct hisi_thermal_sensor *sensor = &data->sensor; hisi_thermal_toggle_sensor(sensor, false); - hisi_thermal_disable_sensor(data); + hi6220_thermal_disable_sensor(data); return 0; } @@ -407,7 +408,7 @@ static int hisi_thermal_suspend(struct device *dev) { struct hisi_thermal_data *data = dev_get_drvdata(dev); - hisi_thermal_disable_sensor(data); + hi6220_thermal_disable_sensor(data); return 0; } @@ -416,7 +417,7 @@ static int hisi_thermal_resume(struct device *dev) { struct hisi_thermal_data *data = dev_get_drvdata(dev); - return hisi_thermal_setup(data); + return hi6220_thermal_enable_sensor(data); } #endif |