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authorDaniel Lezcano <daniel.lezcano@linaro.org>2017-10-19 19:05:49 +0200
committerEduardo Valentin <edubezval@gmail.com>2017-10-31 19:32:15 -0700
commit1e11b014271ceccb5ea04ae58f4829ac8209a86d (patch)
tree79af1d699c0489ac6e514cb75843d266e49d569a /drivers/thermal/hisi_thermal.c
parent2d4fa7b4c6f8080ced2e8237c9f46fb1fc110d64 (diff)
downloadlinux-1e11b014271ceccb5ea04ae58f4829ac8209a86d.tar.bz2
thermal/drivers/hisi: Encapsulate register writes into helpers
Hopefully, the function name can help to clarify the semantic of the operations when writing in the register. Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Diffstat (limited to 'drivers/thermal/hisi_thermal.c')
-rw-r--r--drivers/thermal/hisi_thermal.c92
1 files changed, 70 insertions, 22 deletions
diff --git a/drivers/thermal/hisi_thermal.c b/drivers/thermal/hisi_thermal.c
index 9ec5f290b850..7747b96002e3 100644
--- a/drivers/thermal/hisi_thermal.c
+++ b/drivers/thermal/hisi_thermal.c
@@ -26,6 +26,7 @@
#include "thermal_core.h"
+#define TEMP0_LAG (0x0)
#define TEMP0_TH (0x4)
#define TEMP0_RST_TH (0x8)
#define TEMP0_CFG (0xC)
@@ -96,6 +97,56 @@ static inline long hisi_thermal_round_temp(int temp)
hisi_thermal_temp_to_step(temp));
}
+static inline void hisi_thermal_set_lag(void __iomem *addr, int value)
+{
+ writel(value, addr + TEMP0_LAG);
+}
+
+static inline void hisi_thermal_alarm_clear(void __iomem *addr, int value)
+{
+ writel(value, addr + TEMP0_INT_CLR);
+}
+
+static inline void hisi_thermal_alarm_enable(void __iomem *addr, int value)
+{
+ writel(value, addr + TEMP0_INT_EN);
+}
+
+static inline void hisi_thermal_alarm_set(void __iomem *addr, int temp)
+{
+ writel(hisi_thermal_temp_to_step(temp) | 0x0FFFFFF00, addr + TEMP0_TH);
+}
+
+static inline void hisi_thermal_reset_set(void __iomem *addr, int temp)
+{
+ writel(hisi_thermal_temp_to_step(temp), addr + TEMP0_RST_TH);
+}
+
+static inline void hisi_thermal_reset_enable(void __iomem *addr, int value)
+{
+ writel(value, addr + TEMP0_RST_MSK);
+}
+
+static inline void hisi_thermal_enable(void __iomem *addr, int value)
+{
+ writel(value, addr + TEMP0_EN);
+}
+
+static inline void hisi_thermal_sensor_select(void __iomem *addr, int sensor)
+{
+ writel((sensor << 12), addr + TEMP0_CFG);
+}
+
+static inline int hisi_thermal_get_temperature(void __iomem *addr)
+{
+ return hisi_thermal_step_to_temp(readl(addr + TEMP0_VALUE));
+}
+
+static inline void hisi_thermal_hdak_set(void __iomem *addr, int value)
+{
+ writel(value, addr + TEMP0_CFG);
+}
+
static long hisi_thermal_get_sensor_temp(struct hisi_thermal_data *data,
struct hisi_thermal_sensor *sensor)
{
@@ -104,22 +155,21 @@ static long hisi_thermal_get_sensor_temp(struct hisi_thermal_data *data,
mutex_lock(&data->thermal_lock);
/* disable interrupt */
- writel(0x0, data->regs + TEMP0_INT_EN);
- writel(0x1, data->regs + TEMP0_INT_CLR);
+ hisi_thermal_alarm_enable(data->regs, 0);
+ hisi_thermal_alarm_clear(data->regs, 1);
/* disable module firstly */
- writel(0x0, data->regs + TEMP0_EN);
+ hisi_thermal_enable(data->regs, 0);
/* select sensor id */
- writel((sensor->id << 12), data->regs + TEMP0_CFG);
+ hisi_thermal_sensor_select(data->regs, sensor->id);
/* enable module */
- writel(0x1, data->regs + TEMP0_EN);
+ hisi_thermal_enable(data->regs, 1);
usleep_range(3000, 5000);
- val = readl(data->regs + TEMP0_VALUE);
- val = hisi_thermal_step_to_temp(val);
+ val = hisi_thermal_get_temperature(data->regs);
mutex_unlock(&data->thermal_lock);
@@ -136,28 +186,26 @@ static void hisi_thermal_enable_bind_irq_sensor
sensor = &data->sensors;
/* setting the hdak time */
- writel(0x0, data->regs + TEMP0_CFG);
+ hisi_thermal_hdak_set(data->regs, 0);
/* disable module firstly */
- writel(0x0, data->regs + TEMP0_RST_MSK);
- writel(0x0, data->regs + TEMP0_EN);
+ hisi_thermal_reset_enable(data->regs, 0);
+ hisi_thermal_enable(data->regs, 0);
/* select sensor id */
- writel((sensor->id << 12), data->regs + TEMP0_CFG);
+ hisi_thermal_sensor_select(data->regs, sensor->id);
/* enable for interrupt */
- writel(hisi_thermal_temp_to_step(sensor->thres_temp) | 0x0FFFFFF00,
- data->regs + TEMP0_TH);
+ hisi_thermal_alarm_set(data->regs, sensor->thres_temp);
- writel(hisi_thermal_temp_to_step(HISI_TEMP_RESET),
- data->regs + TEMP0_RST_TH);
+ hisi_thermal_reset_set(data->regs, HISI_TEMP_RESET);
/* enable module */
- writel(0x1, data->regs + TEMP0_RST_MSK);
- writel(0x1, data->regs + TEMP0_EN);
+ hisi_thermal_reset_enable(data->regs, 1);
+ hisi_thermal_enable(data->regs, 1);
- writel(0x0, data->regs + TEMP0_INT_CLR);
- writel(0x1, data->regs + TEMP0_INT_EN);
+ hisi_thermal_alarm_clear(data->regs, 0);
+ hisi_thermal_alarm_enable(data->regs, 1);
usleep_range(3000, 5000);
@@ -169,9 +217,9 @@ static void hisi_thermal_disable_sensor(struct hisi_thermal_data *data)
mutex_lock(&data->thermal_lock);
/* disable sensor module */
- writel(0x0, data->regs + TEMP0_INT_EN);
- writel(0x0, data->regs + TEMP0_RST_MSK);
- writel(0x0, data->regs + TEMP0_EN);
+ hisi_thermal_enable(data->regs, 0);
+ hisi_thermal_alarm_enable(data->regs, 0);
+ hisi_thermal_reset_enable(data->regs, 0);
mutex_unlock(&data->thermal_lock);
}