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@@ -29,13 +29,14 @@
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#include <linux/io.h>
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#include <linux/interrupt.h>
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#include <linux/module.h>
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-#include <linux/of.h>
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+#include <linux/of_device.h>
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#include <linux/of_address.h>
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#include <linux/of_irq.h>
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#include <linux/platform_device.h>
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#include <linux/regulator/consumer.h>
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-#include "exynos_tmu.h"
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+#include <dt-bindings/thermal/thermal_exynos.h>
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+
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#include "../thermal_core.h"
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/* Exynos generic registers */
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@@ -75,9 +76,6 @@
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#define EXYNOS_TMU_THERM_TRIP_EN_SHIFT 12
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#define EXYNOS_TMU_INTEN_RISE0_SHIFT 0
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-#define EXYNOS_TMU_INTEN_RISE1_SHIFT 4
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-#define EXYNOS_TMU_INTEN_RISE2_SHIFT 8
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-#define EXYNOS_TMU_INTEN_RISE3_SHIFT 12
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#define EXYNOS_TMU_INTEN_FALL0_SHIFT 16
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#define EXYNOS_EMUL_TIME 0x57F0
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@@ -98,11 +96,6 @@
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#define EXYNOS4412_MUX_ADDR_SHIFT 20
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/* Exynos5433 specific registers */
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-#define EXYNOS5433_TMU_REG_CONTROL1 0x024
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-#define EXYNOS5433_TMU_SAMPLING_INTERVAL 0x02c
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-#define EXYNOS5433_TMU_COUNTER_VALUE0 0x030
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-#define EXYNOS5433_TMU_COUNTER_VALUE1 0x034
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-#define EXYNOS5433_TMU_REG_CURRENT_TEMP1 0x044
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#define EXYNOS5433_THD_TEMP_RISE3_0 0x050
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#define EXYNOS5433_THD_TEMP_RISE7_4 0x054
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#define EXYNOS5433_THD_TEMP_FALL3_0 0x060
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@@ -123,27 +116,7 @@
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#define EXYNOS5433_PD_DET_EN 1
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-/*exynos5440 specific registers*/
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-#define EXYNOS5440_TMU_S0_7_TRIM 0x000
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-#define EXYNOS5440_TMU_S0_7_CTRL 0x020
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-#define EXYNOS5440_TMU_S0_7_DEBUG 0x040
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-#define EXYNOS5440_TMU_S0_7_TEMP 0x0f0
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-#define EXYNOS5440_TMU_S0_7_TH0 0x110
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-#define EXYNOS5440_TMU_S0_7_TH1 0x130
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-#define EXYNOS5440_TMU_S0_7_TH2 0x150
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-#define EXYNOS5440_TMU_S0_7_IRQEN 0x210
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-#define EXYNOS5440_TMU_S0_7_IRQ 0x230
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-/* exynos5440 common registers */
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-#define EXYNOS5440_TMU_IRQ_STATUS 0x000
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-#define EXYNOS5440_TMU_PMIN 0x004
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-
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-#define EXYNOS5440_TMU_INTEN_RISE0_SHIFT 0
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-#define EXYNOS5440_TMU_INTEN_RISE1_SHIFT 1
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-#define EXYNOS5440_TMU_INTEN_RISE2_SHIFT 2
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-#define EXYNOS5440_TMU_INTEN_RISE3_SHIFT 3
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-#define EXYNOS5440_TMU_INTEN_FALL0_SHIFT 4
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-#define EXYNOS5440_TMU_TH_RISE4_SHIFT 24
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-#define EXYNOS5440_EFUSE_SWAP_OFFSET 8
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+#define EXYNOS5433_G3D_BASE 0x10070000
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/* Exynos7 specific registers */
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#define EXYNOS7_THD_TEMP_RISE7_6 0x50
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@@ -155,22 +128,32 @@
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#define EXYNOS7_TMU_TEMP_MASK 0x1ff
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#define EXYNOS7_PD_DET_EN_SHIFT 23
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#define EXYNOS7_TMU_INTEN_RISE0_SHIFT 0
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-#define EXYNOS7_TMU_INTEN_RISE1_SHIFT 1
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-#define EXYNOS7_TMU_INTEN_RISE2_SHIFT 2
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-#define EXYNOS7_TMU_INTEN_RISE3_SHIFT 3
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-#define EXYNOS7_TMU_INTEN_RISE4_SHIFT 4
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-#define EXYNOS7_TMU_INTEN_RISE5_SHIFT 5
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-#define EXYNOS7_TMU_INTEN_RISE6_SHIFT 6
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-#define EXYNOS7_TMU_INTEN_RISE7_SHIFT 7
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#define EXYNOS7_EMUL_DATA_SHIFT 7
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#define EXYNOS7_EMUL_DATA_MASK 0x1ff
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+#define EXYNOS_FIRST_POINT_TRIM 25
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+#define EXYNOS_SECOND_POINT_TRIM 85
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+
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+#define EXYNOS_NOISE_CANCEL_MODE 4
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+
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#define MCELSIUS 1000
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+
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+enum soc_type {
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+ SOC_ARCH_EXYNOS3250 = 1,
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+ SOC_ARCH_EXYNOS4210,
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+ SOC_ARCH_EXYNOS4412,
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+ SOC_ARCH_EXYNOS5250,
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+ SOC_ARCH_EXYNOS5260,
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+ SOC_ARCH_EXYNOS5420,
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+ SOC_ARCH_EXYNOS5420_TRIMINFO,
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+ SOC_ARCH_EXYNOS5433,
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+ SOC_ARCH_EXYNOS7,
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+};
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+
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/**
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* struct exynos_tmu_data : A structure to hold the private data of the TMU
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driver
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* @id: identifier of the one instance of the TMU controller.
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- * @pdata: pointer to the tmu platform/configuration data
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* @base: base address of the single instance of the TMU controller.
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* @base_second: base address of the common registers of the TMU controller.
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* @irq: irq number of the TMU controller.
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@@ -180,8 +163,17 @@
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* @clk: pointer to the clock structure.
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* @clk_sec: pointer to the clock structure for accessing the base_second.
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* @sclk: pointer to the clock structure for accessing the tmu special clk.
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+ * @cal_type: calibration type for temperature
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+ * @efuse_value: SoC defined fuse value
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+ * @min_efuse_value: minimum valid trimming data
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+ * @max_efuse_value: maximum valid trimming data
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* @temp_error1: fused value of the first point trim.
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* @temp_error2: fused value of the second point trim.
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+ * @gain: gain of amplifier in the positive-TC generator block
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+ * 0 < gain <= 15
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+ * @reference_voltage: reference voltage of amplifier
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+ * in the positive-TC generator block
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+ * 0 < reference_voltage <= 31
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* @regulator: pointer to the TMU regulator structure.
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* @reg_conf: pointer to structure to register with core thermal.
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* @ntrip: number of supported trip points.
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@@ -194,7 +186,6 @@
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*/
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struct exynos_tmu_data {
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int id;
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- struct exynos_tmu_platform_data *pdata;
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void __iomem *base;
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void __iomem *base_second;
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int irq;
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@@ -202,71 +193,42 @@ struct exynos_tmu_data {
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struct work_struct irq_work;
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struct mutex lock;
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struct clk *clk, *clk_sec, *sclk;
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+ u32 cal_type;
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+ u32 efuse_value;
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+ u32 min_efuse_value;
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+ u32 max_efuse_value;
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u16 temp_error1, temp_error2;
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+ u8 gain;
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+ u8 reference_voltage;
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struct regulator *regulator;
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struct thermal_zone_device *tzd;
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unsigned int ntrip;
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bool enabled;
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- int (*tmu_initialize)(struct platform_device *pdev);
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+ void (*tmu_set_trip_temp)(struct exynos_tmu_data *data, int trip,
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+ u8 temp);
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+ void (*tmu_set_trip_hyst)(struct exynos_tmu_data *data, int trip,
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+ u8 temp, u8 hyst);
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+ void (*tmu_initialize)(struct platform_device *pdev);
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void (*tmu_control)(struct platform_device *pdev, bool on);
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int (*tmu_read)(struct exynos_tmu_data *data);
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void (*tmu_set_emulation)(struct exynos_tmu_data *data, int temp);
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void (*tmu_clear_irqs)(struct exynos_tmu_data *data);
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};
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-static void exynos_report_trigger(struct exynos_tmu_data *p)
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-{
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- char data[10], *envp[] = { data, NULL };
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- struct thermal_zone_device *tz = p->tzd;
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- int temp;
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- unsigned int i;
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-
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- if (!tz) {
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- pr_err("No thermal zone device defined\n");
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- return;
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- }
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-
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- thermal_zone_device_update(tz, THERMAL_EVENT_UNSPECIFIED);
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-
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- mutex_lock(&tz->lock);
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- /* Find the level for which trip happened */
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- for (i = 0; i < of_thermal_get_ntrips(tz); i++) {
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- tz->ops->get_trip_temp(tz, i, &temp);
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- if (tz->last_temperature < temp)
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- break;
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- }
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-
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- snprintf(data, sizeof(data), "%u", i);
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- kobject_uevent_env(&tz->device.kobj, KOBJ_CHANGE, envp);
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- mutex_unlock(&tz->lock);
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-}
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-
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/*
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* TMU treats temperature as a mapped temperature code.
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* The temperature is converted differently depending on the calibration type.
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*/
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static int temp_to_code(struct exynos_tmu_data *data, u8 temp)
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{
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- struct exynos_tmu_platform_data *pdata = data->pdata;
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- int temp_code;
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-
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- switch (pdata->cal_type) {
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- case TYPE_TWO_POINT_TRIMMING:
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- temp_code = (temp - pdata->first_point_trim) *
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- (data->temp_error2 - data->temp_error1) /
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- (pdata->second_point_trim - pdata->first_point_trim) +
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- data->temp_error1;
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- break;
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- case TYPE_ONE_POINT_TRIMMING:
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- temp_code = temp + data->temp_error1 - pdata->first_point_trim;
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- break;
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- default:
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- temp_code = temp + pdata->default_temp_offset;
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- break;
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- }
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+ if (data->cal_type == TYPE_ONE_POINT_TRIMMING)
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+ return temp + data->temp_error1 - EXYNOS_FIRST_POINT_TRIM;
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- return temp_code;
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+ return (temp - EXYNOS_FIRST_POINT_TRIM) *
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+ (data->temp_error2 - data->temp_error1) /
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+ (EXYNOS_SECOND_POINT_TRIM - EXYNOS_FIRST_POINT_TRIM) +
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+ data->temp_error1;
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}
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/*
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@@ -275,120 +237,123 @@ static int temp_to_code(struct exynos_tmu_data *data, u8 temp)
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*/
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static int code_to_temp(struct exynos_tmu_data *data, u16 temp_code)
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{
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- struct exynos_tmu_platform_data *pdata = data->pdata;
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- int temp;
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-
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- switch (pdata->cal_type) {
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- case TYPE_TWO_POINT_TRIMMING:
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- temp = (temp_code - data->temp_error1) *
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- (pdata->second_point_trim - pdata->first_point_trim) /
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- (data->temp_error2 - data->temp_error1) +
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- pdata->first_point_trim;
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- break;
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- case TYPE_ONE_POINT_TRIMMING:
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- temp = temp_code - data->temp_error1 + pdata->first_point_trim;
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- break;
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- default:
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- temp = temp_code - pdata->default_temp_offset;
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- break;
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- }
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+ if (data->cal_type == TYPE_ONE_POINT_TRIMMING)
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+ return temp_code - data->temp_error1 + EXYNOS_FIRST_POINT_TRIM;
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- return temp;
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+ return (temp_code - data->temp_error1) *
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+ (EXYNOS_SECOND_POINT_TRIM - EXYNOS_FIRST_POINT_TRIM) /
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+ (data->temp_error2 - data->temp_error1) +
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+ EXYNOS_FIRST_POINT_TRIM;
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}
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static void sanitize_temp_error(struct exynos_tmu_data *data, u32 trim_info)
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{
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- struct exynos_tmu_platform_data *pdata = data->pdata;
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+ u16 tmu_temp_mask =
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+ (data->soc == SOC_ARCH_EXYNOS7) ? EXYNOS7_TMU_TEMP_MASK
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+ : EXYNOS_TMU_TEMP_MASK;
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- data->temp_error1 = trim_info & EXYNOS_TMU_TEMP_MASK;
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+ data->temp_error1 = trim_info & tmu_temp_mask;
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data->temp_error2 = ((trim_info >> EXYNOS_TRIMINFO_85_SHIFT) &
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EXYNOS_TMU_TEMP_MASK);
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if (!data->temp_error1 ||
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- (pdata->min_efuse_value > data->temp_error1) ||
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- (data->temp_error1 > pdata->max_efuse_value))
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- data->temp_error1 = pdata->efuse_value & EXYNOS_TMU_TEMP_MASK;
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+ (data->min_efuse_value > data->temp_error1) ||
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+ (data->temp_error1 > data->max_efuse_value))
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+ data->temp_error1 = data->efuse_value & EXYNOS_TMU_TEMP_MASK;
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if (!data->temp_error2)
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data->temp_error2 =
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- (pdata->efuse_value >> EXYNOS_TRIMINFO_85_SHIFT) &
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+ (data->efuse_value >> EXYNOS_TRIMINFO_85_SHIFT) &
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EXYNOS_TMU_TEMP_MASK;
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}
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-static u32 get_th_reg(struct exynos_tmu_data *data, u32 threshold, bool falling)
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+static int exynos_tmu_initialize(struct platform_device *pdev)
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{
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- struct thermal_zone_device *tz = data->tzd;
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+ struct exynos_tmu_data *data = platform_get_drvdata(pdev);
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+ struct thermal_zone_device *tzd = data->tzd;
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const struct thermal_trip * const trips =
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- of_thermal_get_trip_points(tz);
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- unsigned long temp;
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- int i;
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+ of_thermal_get_trip_points(tzd);
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+ unsigned int status;
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+ int ret = 0, temp, hyst;
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if (!trips) {
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- pr_err("%s: Cannot get trip points from of-thermal.c!\n",
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- __func__);
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- return 0;
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+ dev_err(&pdev->dev,
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+ "Cannot get trip points from device tree!\n");
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+ return -ENODEV;
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}
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- for (i = 0; i < of_thermal_get_ntrips(tz); i++) {
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- if (trips[i].type == THERMAL_TRIP_CRITICAL)
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- continue;
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-
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- temp = trips[i].temperature / MCELSIUS;
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- if (falling)
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- temp -= (trips[i].hysteresis / MCELSIUS);
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- else
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- threshold &= ~(0xff << 8 * i);
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-
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- threshold |= temp_to_code(data, temp) << 8 * i;
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+ if (data->soc != SOC_ARCH_EXYNOS5433) /* FIXME */
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+ ret = tzd->ops->get_crit_temp(tzd, &temp);
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+ if (ret) {
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+ dev_err(&pdev->dev,
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+ "No CRITICAL trip point defined in device tree!\n");
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+ goto out;
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}
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- return threshold;
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-}
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-
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-static int exynos_tmu_initialize(struct platform_device *pdev)
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-{
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- struct exynos_tmu_data *data = platform_get_drvdata(pdev);
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- int ret;
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-
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- if (of_thermal_get_ntrips(data->tzd) > data->ntrip) {
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+ if (of_thermal_get_ntrips(tzd) > data->ntrip) {
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dev_info(&pdev->dev,
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"More trip points than supported by this TMU.\n");
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dev_info(&pdev->dev,
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"%d trip points should be configured in polling mode.\n",
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- (of_thermal_get_ntrips(data->tzd) - data->ntrip));
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+ (of_thermal_get_ntrips(tzd) - data->ntrip));
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}
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mutex_lock(&data->lock);
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clk_enable(data->clk);
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if (!IS_ERR(data->clk_sec))
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clk_enable(data->clk_sec);
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- ret = data->tmu_initialize(pdev);
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+
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+ status = readb(data->base + EXYNOS_TMU_REG_STATUS);
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+ if (!status) {
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+ ret = -EBUSY;
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+ } else {
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+ int i, ntrips =
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+ min_t(int, of_thermal_get_ntrips(tzd), data->ntrip);
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+
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+ data->tmu_initialize(pdev);
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+
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+ /* Write temperature code for rising and falling threshold */
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+ for (i = 0; i < ntrips; i++) {
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+ /* Write temperature code for rising threshold */
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+ ret = tzd->ops->get_trip_temp(tzd, i, &temp);
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+ if (ret)
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+ goto err;
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+ temp /= MCELSIUS;
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|
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+ data->tmu_set_trip_temp(data, i, temp);
|
|
|
+
|
|
|
+ /* Write temperature code for falling threshold */
|
|
|
+ ret = tzd->ops->get_trip_hyst(tzd, i, &hyst);
|
|
|
+ if (ret)
|
|
|
+ goto err;
|
|
|
+ hyst /= MCELSIUS;
|
|
|
+ data->tmu_set_trip_hyst(data, i, temp, hyst);
|
|
|
+ }
|
|
|
+
|
|
|
+ data->tmu_clear_irqs(data);
|
|
|
+ }
|
|
|
+err:
|
|
|
clk_disable(data->clk);
|
|
|
mutex_unlock(&data->lock);
|
|
|
if (!IS_ERR(data->clk_sec))
|
|
|
clk_disable(data->clk_sec);
|
|
|
-
|
|
|
+out:
|
|
|
return ret;
|
|
|
}
|
|
|
|
|
|
static u32 get_con_reg(struct exynos_tmu_data *data, u32 con)
|
|
|
{
|
|
|
- struct exynos_tmu_platform_data *pdata = data->pdata;
|
|
|
-
|
|
|
if (data->soc == SOC_ARCH_EXYNOS4412 ||
|
|
|
data->soc == SOC_ARCH_EXYNOS3250)
|
|
|
con |= (EXYNOS4412_MUX_ADDR_VALUE << EXYNOS4412_MUX_ADDR_SHIFT);
|
|
|
|
|
|
con &= ~(EXYNOS_TMU_REF_VOLTAGE_MASK << EXYNOS_TMU_REF_VOLTAGE_SHIFT);
|
|
|
- con |= pdata->reference_voltage << EXYNOS_TMU_REF_VOLTAGE_SHIFT;
|
|
|
+ con |= data->reference_voltage << EXYNOS_TMU_REF_VOLTAGE_SHIFT;
|
|
|
|
|
|
con &= ~(EXYNOS_TMU_BUF_SLOPE_SEL_MASK << EXYNOS_TMU_BUF_SLOPE_SEL_SHIFT);
|
|
|
- con |= (pdata->gain << EXYNOS_TMU_BUF_SLOPE_SEL_SHIFT);
|
|
|
+ con |= (data->gain << EXYNOS_TMU_BUF_SLOPE_SEL_SHIFT);
|
|
|
|
|
|
- if (pdata->noise_cancel_mode) {
|
|
|
- con &= ~(EXYNOS_TMU_TRIP_MODE_MASK << EXYNOS_TMU_TRIP_MODE_SHIFT);
|
|
|
- con |= (pdata->noise_cancel_mode << EXYNOS_TMU_TRIP_MODE_SHIFT);
|
|
|
- }
|
|
|
+ con &= ~(EXYNOS_TMU_TRIP_MODE_MASK << EXYNOS_TMU_TRIP_MODE_SHIFT);
|
|
|
+ con |= (EXYNOS_NOISE_CANCEL_MODE << EXYNOS_TMU_TRIP_MODE_SHIFT);
|
|
|
|
|
|
return con;
|
|
|
}
|
|
@@ -405,65 +370,70 @@ static void exynos_tmu_control(struct platform_device *pdev, bool on)
|
|
|
mutex_unlock(&data->lock);
|
|
|
}
|
|
|
|
|
|
-static int exynos4210_tmu_initialize(struct platform_device *pdev)
|
|
|
+static void exynos4210_tmu_set_trip_temp(struct exynos_tmu_data *data,
|
|
|
+ int trip, u8 temp)
|
|
|
{
|
|
|
- struct exynos_tmu_data *data = platform_get_drvdata(pdev);
|
|
|
- struct thermal_zone_device *tz = data->tzd;
|
|
|
const struct thermal_trip * const trips =
|
|
|
- of_thermal_get_trip_points(tz);
|
|
|
- int ret = 0, threshold_code, i;
|
|
|
- unsigned long reference, temp;
|
|
|
- unsigned int status;
|
|
|
+ of_thermal_get_trip_points(data->tzd);
|
|
|
+ u8 ref, th_code;
|
|
|
|
|
|
- if (!trips) {
|
|
|
- pr_err("%s: Cannot get trip points from of-thermal.c!\n",
|
|
|
- __func__);
|
|
|
- ret = -ENODEV;
|
|
|
- goto out;
|
|
|
- }
|
|
|
+ ref = trips[0].temperature / MCELSIUS;
|
|
|
|
|
|
- status = readb(data->base + EXYNOS_TMU_REG_STATUS);
|
|
|
- if (!status) {
|
|
|
- ret = -EBUSY;
|
|
|
- goto out;
|
|
|
+ if (trip == 0) {
|
|
|
+ th_code = temp_to_code(data, ref);
|
|
|
+ writeb(th_code, data->base + EXYNOS4210_TMU_REG_THRESHOLD_TEMP);
|
|
|
}
|
|
|
|
|
|
+ temp -= ref;
|
|
|
+ writeb(temp, data->base + EXYNOS4210_TMU_REG_TRIG_LEVEL0 + trip * 4);
|
|
|
+}
|
|
|
+
|
|
|
+/* failing thresholds are not supported on Exynos4210 */
|
|
|
+static void exynos4210_tmu_set_trip_hyst(struct exynos_tmu_data *data,
|
|
|
+ int trip, u8 temp, u8 hyst)
|
|
|
+{
|
|
|
+}
|
|
|
+
|
|
|
+static void exynos4210_tmu_initialize(struct platform_device *pdev)
|
|
|
+{
|
|
|
+ struct exynos_tmu_data *data = platform_get_drvdata(pdev);
|
|
|
+
|
|
|
sanitize_temp_error(data, readl(data->base + EXYNOS_TMU_REG_TRIMINFO));
|
|
|
+}
|
|
|
|
|
|
- /* Write temperature code for threshold */
|
|
|
- reference = trips[0].temperature / MCELSIUS;
|
|
|
- threshold_code = temp_to_code(data, reference);
|
|
|
- if (threshold_code < 0) {
|
|
|
- ret = threshold_code;
|
|
|
- goto out;
|
|
|
- }
|
|
|
- writeb(threshold_code, data->base + EXYNOS4210_TMU_REG_THRESHOLD_TEMP);
|
|
|
+static void exynos4412_tmu_set_trip_temp(struct exynos_tmu_data *data,
|
|
|
+ int trip, u8 temp)
|
|
|
+{
|
|
|
+ u32 th, con;
|
|
|
|
|
|
- for (i = 0; i < of_thermal_get_ntrips(tz); i++) {
|
|
|
- temp = trips[i].temperature / MCELSIUS;
|
|
|
- writeb(temp - reference, data->base +
|
|
|
- EXYNOS4210_TMU_REG_TRIG_LEVEL0 + i * 4);
|
|
|
+ th = readl(data->base + EXYNOS_THD_TEMP_RISE);
|
|
|
+ th &= ~(0xff << 8 * trip);
|
|
|
+ th |= temp_to_code(data, temp) << 8 * trip;
|
|
|
+ writel(th, data->base + EXYNOS_THD_TEMP_RISE);
|
|
|
+
|
|
|
+ if (trip == 3) {
|
|
|
+ con = readl(data->base + EXYNOS_TMU_REG_CONTROL);
|
|
|
+ con |= (1 << EXYNOS_TMU_THERM_TRIP_EN_SHIFT);
|
|
|
+ writel(con, data->base + EXYNOS_TMU_REG_CONTROL);
|
|
|
}
|
|
|
+}
|
|
|
|
|
|
- data->tmu_clear_irqs(data);
|
|
|
-out:
|
|
|
- return ret;
|
|
|
+static void exynos4412_tmu_set_trip_hyst(struct exynos_tmu_data *data,
|
|
|
+ int trip, u8 temp, u8 hyst)
|
|
|
+{
|
|
|
+ u32 th;
|
|
|
+
|
|
|
+ th = readl(data->base + EXYNOS_THD_TEMP_FALL);
|
|
|
+ th &= ~(0xff << 8 * trip);
|
|
|
+ if (hyst)
|
|
|
+ th |= temp_to_code(data, temp - hyst) << 8 * trip;
|
|
|
+ writel(th, data->base + EXYNOS_THD_TEMP_FALL);
|
|
|
}
|
|
|
|
|
|
-static int exynos4412_tmu_initialize(struct platform_device *pdev)
|
|
|
+static void exynos4412_tmu_initialize(struct platform_device *pdev)
|
|
|
{
|
|
|
struct exynos_tmu_data *data = platform_get_drvdata(pdev);
|
|
|
- const struct thermal_trip * const trips =
|
|
|
- of_thermal_get_trip_points(data->tzd);
|
|
|
- unsigned int status, trim_info, con, ctrl, rising_threshold;
|
|
|
- int ret = 0, threshold_code, i;
|
|
|
- unsigned long crit_temp = 0;
|
|
|
-
|
|
|
- status = readb(data->base + EXYNOS_TMU_REG_STATUS);
|
|
|
- if (!status) {
|
|
|
- ret = -EBUSY;
|
|
|
- goto out;
|
|
|
- }
|
|
|
+ unsigned int trim_info, ctrl;
|
|
|
|
|
|
if (data->soc == SOC_ARCH_EXYNOS3250 ||
|
|
|
data->soc == SOC_ARCH_EXYNOS4412 ||
|
|
@@ -485,58 +455,53 @@ static int exynos4412_tmu_initialize(struct platform_device *pdev)
|
|
|
trim_info = readl(data->base + EXYNOS_TMU_REG_TRIMINFO);
|
|
|
|
|
|
sanitize_temp_error(data, trim_info);
|
|
|
+}
|
|
|
|
|
|
- /* Write temperature code for rising and falling threshold */
|
|
|
- rising_threshold = readl(data->base + EXYNOS_THD_TEMP_RISE);
|
|
|
- rising_threshold = get_th_reg(data, rising_threshold, false);
|
|
|
- writel(rising_threshold, data->base + EXYNOS_THD_TEMP_RISE);
|
|
|
- writel(get_th_reg(data, 0, true), data->base + EXYNOS_THD_TEMP_FALL);
|
|
|
-
|
|
|
- data->tmu_clear_irqs(data);
|
|
|
+static void exynos5433_tmu_set_trip_temp(struct exynos_tmu_data *data,
|
|
|
+ int trip, u8 temp)
|
|
|
+{
|
|
|
+ unsigned int reg_off, j;
|
|
|
+ u32 th;
|
|
|
|
|
|
- /* if last threshold limit is also present */
|
|
|
- for (i = 0; i < of_thermal_get_ntrips(data->tzd); i++) {
|
|
|
- if (trips[i].type == THERMAL_TRIP_CRITICAL) {
|
|
|
- crit_temp = trips[i].temperature;
|
|
|
- break;
|
|
|
- }
|
|
|
+ if (trip > 3) {
|
|
|
+ reg_off = EXYNOS5433_THD_TEMP_RISE7_4;
|
|
|
+ j = trip - 4;
|
|
|
+ } else {
|
|
|
+ reg_off = EXYNOS5433_THD_TEMP_RISE3_0;
|
|
|
+ j = trip;
|
|
|
}
|
|
|
|
|
|
- if (i == of_thermal_get_ntrips(data->tzd)) {
|
|
|
- pr_err("%s: No CRITICAL trip point defined at of-thermal.c!\n",
|
|
|
- __func__);
|
|
|
- ret = -EINVAL;
|
|
|
- goto out;
|
|
|
- }
|
|
|
+ th = readl(data->base + reg_off);
|
|
|
+ th &= ~(0xff << j * 8);
|
|
|
+ th |= (temp_to_code(data, temp) << j * 8);
|
|
|
+ writel(th, data->base + reg_off);
|
|
|
+}
|
|
|
|
|
|
- threshold_code = temp_to_code(data, crit_temp / MCELSIUS);
|
|
|
- /* 1-4 level to be assigned in th0 reg */
|
|
|
- rising_threshold &= ~(0xff << 8 * i);
|
|
|
- rising_threshold |= threshold_code << 8 * i;
|
|
|
- writel(rising_threshold, data->base + EXYNOS_THD_TEMP_RISE);
|
|
|
- con = readl(data->base + EXYNOS_TMU_REG_CONTROL);
|
|
|
- con |= (1 << EXYNOS_TMU_THERM_TRIP_EN_SHIFT);
|
|
|
- writel(con, data->base + EXYNOS_TMU_REG_CONTROL);
|
|
|
+static void exynos5433_tmu_set_trip_hyst(struct exynos_tmu_data *data,
|
|
|
+ int trip, u8 temp, u8 hyst)
|
|
|
+{
|
|
|
+ unsigned int reg_off, j;
|
|
|
+ u32 th;
|
|
|
|
|
|
-out:
|
|
|
- return ret;
|
|
|
+ if (trip > 3) {
|
|
|
+ reg_off = EXYNOS5433_THD_TEMP_FALL7_4;
|
|
|
+ j = trip - 4;
|
|
|
+ } else {
|
|
|
+ reg_off = EXYNOS5433_THD_TEMP_FALL3_0;
|
|
|
+ j = trip;
|
|
|
+ }
|
|
|
+
|
|
|
+ th = readl(data->base + reg_off);
|
|
|
+ th &= ~(0xff << j * 8);
|
|
|
+ th |= (temp_to_code(data, temp - hyst) << j * 8);
|
|
|
+ writel(th, data->base + reg_off);
|
|
|
}
|
|
|
|
|
|
-static int exynos5433_tmu_initialize(struct platform_device *pdev)
|
|
|
+static void exynos5433_tmu_initialize(struct platform_device *pdev)
|
|
|
{
|
|
|
struct exynos_tmu_data *data = platform_get_drvdata(pdev);
|
|
|
- struct exynos_tmu_platform_data *pdata = data->pdata;
|
|
|
- struct thermal_zone_device *tz = data->tzd;
|
|
|
- unsigned int status, trim_info;
|
|
|
- unsigned int rising_threshold = 0, falling_threshold = 0;
|
|
|
- int temp, temp_hist;
|
|
|
- int ret = 0, threshold_code, i, sensor_id, cal_type;
|
|
|
-
|
|
|
- status = readb(data->base + EXYNOS_TMU_REG_STATUS);
|
|
|
- if (!status) {
|
|
|
- ret = -EBUSY;
|
|
|
- goto out;
|
|
|
- }
|
|
|
+ unsigned int trim_info;
|
|
|
+ int sensor_id, cal_type;
|
|
|
|
|
|
trim_info = readl(data->base + EXYNOS_TMU_REG_TRIMINFO);
|
|
|
sanitize_temp_error(data, trim_info);
|
|
@@ -552,227 +517,84 @@ static int exynos5433_tmu_initialize(struct platform_device *pdev)
|
|
|
>> EXYNOS5433_TRIMINFO_CALIB_SEL_SHIFT;
|
|
|
|
|
|
switch (cal_type) {
|
|
|
- case EXYNOS5433_TRIMINFO_ONE_POINT_TRIMMING:
|
|
|
- pdata->cal_type = TYPE_ONE_POINT_TRIMMING;
|
|
|
- break;
|
|
|
case EXYNOS5433_TRIMINFO_TWO_POINT_TRIMMING:
|
|
|
- pdata->cal_type = TYPE_TWO_POINT_TRIMMING;
|
|
|
+ data->cal_type = TYPE_TWO_POINT_TRIMMING;
|
|
|
break;
|
|
|
+ case EXYNOS5433_TRIMINFO_ONE_POINT_TRIMMING:
|
|
|
default:
|
|
|
- pdata->cal_type = TYPE_ONE_POINT_TRIMMING;
|
|
|
+ data->cal_type = TYPE_ONE_POINT_TRIMMING;
|
|
|
break;
|
|
|
}
|
|
|
|
|
|
dev_info(&pdev->dev, "Calibration type is %d-point calibration\n",
|
|
|
cal_type ? 2 : 1);
|
|
|
-
|
|
|
- /* Write temperature code for rising and falling threshold */
|
|
|
- for (i = 0; i < of_thermal_get_ntrips(tz); i++) {
|
|
|
- int rising_reg_offset, falling_reg_offset;
|
|
|
- int j = 0;
|
|
|
-
|
|
|
- switch (i) {
|
|
|
- case 0:
|
|
|
- case 1:
|
|
|
- case 2:
|
|
|
- case 3:
|
|
|
- rising_reg_offset = EXYNOS5433_THD_TEMP_RISE3_0;
|
|
|
- falling_reg_offset = EXYNOS5433_THD_TEMP_FALL3_0;
|
|
|
- j = i;
|
|
|
- break;
|
|
|
- case 4:
|
|
|
- case 5:
|
|
|
- case 6:
|
|
|
- case 7:
|
|
|
- rising_reg_offset = EXYNOS5433_THD_TEMP_RISE7_4;
|
|
|
- falling_reg_offset = EXYNOS5433_THD_TEMP_FALL7_4;
|
|
|
- j = i - 4;
|
|
|
- break;
|
|
|
- default:
|
|
|
- continue;
|
|
|
- }
|
|
|
-
|
|
|
- /* Write temperature code for rising threshold */
|
|
|
- tz->ops->get_trip_temp(tz, i, &temp);
|
|
|
- temp /= MCELSIUS;
|
|
|
- threshold_code = temp_to_code(data, temp);
|
|
|
-
|
|
|
- rising_threshold = readl(data->base + rising_reg_offset);
|
|
|
- rising_threshold |= (threshold_code << j * 8);
|
|
|
- writel(rising_threshold, data->base + rising_reg_offset);
|
|
|
-
|
|
|
- /* Write temperature code for falling threshold */
|
|
|
- tz->ops->get_trip_hyst(tz, i, &temp_hist);
|
|
|
- temp_hist = temp - (temp_hist / MCELSIUS);
|
|
|
- threshold_code = temp_to_code(data, temp_hist);
|
|
|
-
|
|
|
- falling_threshold = readl(data->base + falling_reg_offset);
|
|
|
- falling_threshold &= ~(0xff << j * 8);
|
|
|
- falling_threshold |= (threshold_code << j * 8);
|
|
|
- writel(falling_threshold, data->base + falling_reg_offset);
|
|
|
- }
|
|
|
-
|
|
|
- data->tmu_clear_irqs(data);
|
|
|
-out:
|
|
|
- return ret;
|
|
|
}
|
|
|
|
|
|
-static int exynos5440_tmu_initialize(struct platform_device *pdev)
|
|
|
+static void exynos7_tmu_set_trip_temp(struct exynos_tmu_data *data,
|
|
|
+ int trip, u8 temp)
|
|
|
{
|
|
|
- struct exynos_tmu_data *data = platform_get_drvdata(pdev);
|
|
|
- unsigned int trim_info = 0, con, rising_threshold;
|
|
|
- int threshold_code;
|
|
|
- int crit_temp = 0;
|
|
|
+ unsigned int reg_off, bit_off;
|
|
|
+ u32 th;
|
|
|
|
|
|
- /*
|
|
|
- * For exynos5440 soc triminfo value is swapped between TMU0 and
|
|
|
- * TMU2, so the below logic is needed.
|
|
|
- */
|
|
|
- switch (data->id) {
|
|
|
- case 0:
|
|
|
- trim_info = readl(data->base + EXYNOS5440_EFUSE_SWAP_OFFSET +
|
|
|
- EXYNOS5440_TMU_S0_7_TRIM);
|
|
|
- break;
|
|
|
- case 1:
|
|
|
- trim_info = readl(data->base + EXYNOS5440_TMU_S0_7_TRIM);
|
|
|
- break;
|
|
|
- case 2:
|
|
|
- trim_info = readl(data->base - EXYNOS5440_EFUSE_SWAP_OFFSET +
|
|
|
- EXYNOS5440_TMU_S0_7_TRIM);
|
|
|
- }
|
|
|
- sanitize_temp_error(data, trim_info);
|
|
|
+ reg_off = ((7 - trip) / 2) * 4;
|
|
|
+ bit_off = ((8 - trip) % 2);
|
|
|
|
|
|
- /* Write temperature code for rising and falling threshold */
|
|
|
- rising_threshold = readl(data->base + EXYNOS5440_TMU_S0_7_TH0);
|
|
|
- rising_threshold = get_th_reg(data, rising_threshold, false);
|
|
|
- writel(rising_threshold, data->base + EXYNOS5440_TMU_S0_7_TH0);
|
|
|
- writel(0, data->base + EXYNOS5440_TMU_S0_7_TH1);
|
|
|
+ th = readl(data->base + EXYNOS7_THD_TEMP_RISE7_6 + reg_off);
|
|
|
+ th &= ~(EXYNOS7_TMU_TEMP_MASK << (16 * bit_off));
|
|
|
+ th |= temp_to_code(data, temp) << (16 * bit_off);
|
|
|
+ writel(th, data->base + EXYNOS7_THD_TEMP_RISE7_6 + reg_off);
|
|
|
+}
|
|
|
|
|
|
- data->tmu_clear_irqs(data);
|
|
|
+static void exynos7_tmu_set_trip_hyst(struct exynos_tmu_data *data,
|
|
|
+ int trip, u8 temp, u8 hyst)
|
|
|
+{
|
|
|
+ unsigned int reg_off, bit_off;
|
|
|
+ u32 th;
|
|
|
|
|
|
- /* if last threshold limit is also present */
|
|
|
- if (!data->tzd->ops->get_crit_temp(data->tzd, &crit_temp)) {
|
|
|
- threshold_code = temp_to_code(data, crit_temp / MCELSIUS);
|
|
|
- /* 5th level to be assigned in th2 reg */
|
|
|
- rising_threshold =
|
|
|
- threshold_code << EXYNOS5440_TMU_TH_RISE4_SHIFT;
|
|
|
- writel(rising_threshold, data->base + EXYNOS5440_TMU_S0_7_TH2);
|
|
|
- con = readl(data->base + EXYNOS5440_TMU_S0_7_CTRL);
|
|
|
- con |= (1 << EXYNOS_TMU_THERM_TRIP_EN_SHIFT);
|
|
|
- writel(con, data->base + EXYNOS5440_TMU_S0_7_CTRL);
|
|
|
- }
|
|
|
- /* Clear the PMIN in the common TMU register */
|
|
|
- if (!data->id)
|
|
|
- writel(0, data->base_second + EXYNOS5440_TMU_PMIN);
|
|
|
+ reg_off = ((7 - trip) / 2) * 4;
|
|
|
+ bit_off = ((8 - trip) % 2);
|
|
|
|
|
|
- return 0;
|
|
|
+ th = readl(data->base + EXYNOS7_THD_TEMP_FALL7_6 + reg_off);
|
|
|
+ th &= ~(EXYNOS7_TMU_TEMP_MASK << (16 * bit_off));
|
|
|
+ th |= temp_to_code(data, temp - hyst) << (16 * bit_off);
|
|
|
+ writel(th, data->base + EXYNOS7_THD_TEMP_FALL7_6 + reg_off);
|
|
|
}
|
|
|
|
|
|
-static int exynos7_tmu_initialize(struct platform_device *pdev)
|
|
|
+static void exynos7_tmu_initialize(struct platform_device *pdev)
|
|
|
{
|
|
|
struct exynos_tmu_data *data = platform_get_drvdata(pdev);
|
|
|
- struct thermal_zone_device *tz = data->tzd;
|
|
|
- struct exynos_tmu_platform_data *pdata = data->pdata;
|
|
|
- unsigned int status, trim_info;
|
|
|
- unsigned int rising_threshold = 0, falling_threshold = 0;
|
|
|
- int ret = 0, threshold_code, i;
|
|
|
- int temp, temp_hist;
|
|
|
- unsigned int reg_off, bit_off;
|
|
|
-
|
|
|
- status = readb(data->base + EXYNOS_TMU_REG_STATUS);
|
|
|
- if (!status) {
|
|
|
- ret = -EBUSY;
|
|
|
- goto out;
|
|
|
- }
|
|
|
+ unsigned int trim_info;
|
|
|
|
|
|
trim_info = readl(data->base + EXYNOS_TMU_REG_TRIMINFO);
|
|
|
-
|
|
|
- data->temp_error1 = trim_info & EXYNOS7_TMU_TEMP_MASK;
|
|
|
- if (!data->temp_error1 ||
|
|
|
- (pdata->min_efuse_value > data->temp_error1) ||
|
|
|
- (data->temp_error1 > pdata->max_efuse_value))
|
|
|
- data->temp_error1 = pdata->efuse_value & EXYNOS_TMU_TEMP_MASK;
|
|
|
-
|
|
|
- /* Write temperature code for rising and falling threshold */
|
|
|
- for (i = (of_thermal_get_ntrips(tz) - 1); i >= 0; i--) {
|
|
|
- /*
|
|
|
- * On exynos7 there are 4 rising and 4 falling threshold
|
|
|
- * registers (0x50-0x5c and 0x60-0x6c respectively). Each
|
|
|
- * register holds the value of two threshold levels (at bit
|
|
|
- * offsets 0 and 16). Based on the fact that there are atmost
|
|
|
- * eight possible trigger levels, calculate the register and
|
|
|
- * bit offsets where the threshold levels are to be written.
|
|
|
- *
|
|
|
- * e.g. EXYNOS7_THD_TEMP_RISE7_6 (0x50)
|
|
|
- * [24:16] - Threshold level 7
|
|
|
- * [8:0] - Threshold level 6
|
|
|
- * e.g. EXYNOS7_THD_TEMP_RISE5_4 (0x54)
|
|
|
- * [24:16] - Threshold level 5
|
|
|
- * [8:0] - Threshold level 4
|
|
|
- *
|
|
|
- * and similarly for falling thresholds.
|
|
|
- *
|
|
|
- * Based on the above, calculate the register and bit offsets
|
|
|
- * for rising/falling threshold levels and populate them.
|
|
|
- */
|
|
|
- reg_off = ((7 - i) / 2) * 4;
|
|
|
- bit_off = ((8 - i) % 2);
|
|
|
-
|
|
|
- tz->ops->get_trip_temp(tz, i, &temp);
|
|
|
- temp /= MCELSIUS;
|
|
|
-
|
|
|
- tz->ops->get_trip_hyst(tz, i, &temp_hist);
|
|
|
- temp_hist = temp - (temp_hist / MCELSIUS);
|
|
|
-
|
|
|
- /* Set 9-bit temperature code for rising threshold levels */
|
|
|
- threshold_code = temp_to_code(data, temp);
|
|
|
- rising_threshold = readl(data->base +
|
|
|
- EXYNOS7_THD_TEMP_RISE7_6 + reg_off);
|
|
|
- rising_threshold &= ~(EXYNOS7_TMU_TEMP_MASK << (16 * bit_off));
|
|
|
- rising_threshold |= threshold_code << (16 * bit_off);
|
|
|
- writel(rising_threshold,
|
|
|
- data->base + EXYNOS7_THD_TEMP_RISE7_6 + reg_off);
|
|
|
-
|
|
|
- /* Set 9-bit temperature code for falling threshold levels */
|
|
|
- threshold_code = temp_to_code(data, temp_hist);
|
|
|
- falling_threshold &= ~(EXYNOS7_TMU_TEMP_MASK << (16 * bit_off));
|
|
|
- falling_threshold |= threshold_code << (16 * bit_off);
|
|
|
- writel(falling_threshold,
|
|
|
- data->base + EXYNOS7_THD_TEMP_FALL7_6 + reg_off);
|
|
|
- }
|
|
|
-
|
|
|
- data->tmu_clear_irqs(data);
|
|
|
-out:
|
|
|
- return ret;
|
|
|
+ sanitize_temp_error(data, trim_info);
|
|
|
}
|
|
|
|
|
|
static void exynos4210_tmu_control(struct platform_device *pdev, bool on)
|
|
|
{
|
|
|
struct exynos_tmu_data *data = platform_get_drvdata(pdev);
|
|
|
struct thermal_zone_device *tz = data->tzd;
|
|
|
- unsigned int con, interrupt_en;
|
|
|
+ unsigned int con, interrupt_en = 0, i;
|
|
|
|
|
|
con = get_con_reg(data, readl(data->base + EXYNOS_TMU_REG_CONTROL));
|
|
|
|
|
|
if (on) {
|
|
|
- con |= (1 << EXYNOS_TMU_CORE_EN_SHIFT);
|
|
|
- interrupt_en =
|
|
|
- (of_thermal_is_trip_valid(tz, 3)
|
|
|
- << EXYNOS_TMU_INTEN_RISE3_SHIFT) |
|
|
|
- (of_thermal_is_trip_valid(tz, 2)
|
|
|
- << EXYNOS_TMU_INTEN_RISE2_SHIFT) |
|
|
|
- (of_thermal_is_trip_valid(tz, 1)
|
|
|
- << EXYNOS_TMU_INTEN_RISE1_SHIFT) |
|
|
|
- (of_thermal_is_trip_valid(tz, 0)
|
|
|
- << EXYNOS_TMU_INTEN_RISE0_SHIFT);
|
|
|
+ for (i = 0; i < data->ntrip; i++) {
|
|
|
+ if (!of_thermal_is_trip_valid(tz, i))
|
|
|
+ continue;
|
|
|
+
|
|
|
+ interrupt_en |=
|
|
|
+ (1 << (EXYNOS_TMU_INTEN_RISE0_SHIFT + i * 4));
|
|
|
+ }
|
|
|
|
|
|
if (data->soc != SOC_ARCH_EXYNOS4210)
|
|
|
interrupt_en |=
|
|
|
interrupt_en << EXYNOS_TMU_INTEN_FALL0_SHIFT;
|
|
|
+
|
|
|
+ con |= (1 << EXYNOS_TMU_CORE_EN_SHIFT);
|
|
|
} else {
|
|
|
con &= ~(1 << EXYNOS_TMU_CORE_EN_SHIFT);
|
|
|
- interrupt_en = 0; /* Disable all interrupts */
|
|
|
}
|
|
|
+
|
|
|
writel(interrupt_en, data->base + EXYNOS_TMU_REG_INTEN);
|
|
|
writel(con, data->base + EXYNOS_TMU_REG_CONTROL);
|
|
|
}
|
|
@@ -781,36 +603,25 @@ static void exynos5433_tmu_control(struct platform_device *pdev, bool on)
|
|
|
{
|
|
|
struct exynos_tmu_data *data = platform_get_drvdata(pdev);
|
|
|
struct thermal_zone_device *tz = data->tzd;
|
|
|
- unsigned int con, interrupt_en, pd_det_en;
|
|
|
+ unsigned int con, interrupt_en = 0, pd_det_en, i;
|
|
|
|
|
|
con = get_con_reg(data, readl(data->base + EXYNOS_TMU_REG_CONTROL));
|
|
|
|
|
|
if (on) {
|
|
|
- con |= (1 << EXYNOS_TMU_CORE_EN_SHIFT);
|
|
|
- interrupt_en =
|
|
|
- (of_thermal_is_trip_valid(tz, 7)
|
|
|
- << EXYNOS7_TMU_INTEN_RISE7_SHIFT) |
|
|
|
- (of_thermal_is_trip_valid(tz, 6)
|
|
|
- << EXYNOS7_TMU_INTEN_RISE6_SHIFT) |
|
|
|
- (of_thermal_is_trip_valid(tz, 5)
|
|
|
- << EXYNOS7_TMU_INTEN_RISE5_SHIFT) |
|
|
|
- (of_thermal_is_trip_valid(tz, 4)
|
|
|
- << EXYNOS7_TMU_INTEN_RISE4_SHIFT) |
|
|
|
- (of_thermal_is_trip_valid(tz, 3)
|
|
|
- << EXYNOS7_TMU_INTEN_RISE3_SHIFT) |
|
|
|
- (of_thermal_is_trip_valid(tz, 2)
|
|
|
- << EXYNOS7_TMU_INTEN_RISE2_SHIFT) |
|
|
|
- (of_thermal_is_trip_valid(tz, 1)
|
|
|
- << EXYNOS7_TMU_INTEN_RISE1_SHIFT) |
|
|
|
- (of_thermal_is_trip_valid(tz, 0)
|
|
|
- << EXYNOS7_TMU_INTEN_RISE0_SHIFT);
|
|
|
+ for (i = 0; i < data->ntrip; i++) {
|
|
|
+ if (!of_thermal_is_trip_valid(tz, i))
|
|
|
+ continue;
|
|
|
+
|
|
|
+ interrupt_en |=
|
|
|
+ (1 << (EXYNOS7_TMU_INTEN_RISE0_SHIFT + i));
|
|
|
+ }
|
|
|
|
|
|
interrupt_en |=
|
|
|
interrupt_en << EXYNOS_TMU_INTEN_FALL0_SHIFT;
|
|
|
- } else {
|
|
|
+
|
|
|
+ con |= (1 << EXYNOS_TMU_CORE_EN_SHIFT);
|
|
|
+ } else
|
|
|
con &= ~(1 << EXYNOS_TMU_CORE_EN_SHIFT);
|
|
|
- interrupt_en = 0; /* Disable all interrupts */
|
|
|
- }
|
|
|
|
|
|
pd_det_en = on ? EXYNOS5433_PD_DET_EN : 0;
|
|
|
|
|
@@ -819,70 +630,31 @@ static void exynos5433_tmu_control(struct platform_device *pdev, bool on)
|
|
|
writel(con, data->base + EXYNOS_TMU_REG_CONTROL);
|
|
|
}
|
|
|
|
|
|
-static void exynos5440_tmu_control(struct platform_device *pdev, bool on)
|
|
|
-{
|
|
|
- struct exynos_tmu_data *data = platform_get_drvdata(pdev);
|
|
|
- struct thermal_zone_device *tz = data->tzd;
|
|
|
- unsigned int con, interrupt_en;
|
|
|
-
|
|
|
- con = get_con_reg(data, readl(data->base + EXYNOS5440_TMU_S0_7_CTRL));
|
|
|
-
|
|
|
- if (on) {
|
|
|
- con |= (1 << EXYNOS_TMU_CORE_EN_SHIFT);
|
|
|
- interrupt_en =
|
|
|
- (of_thermal_is_trip_valid(tz, 3)
|
|
|
- << EXYNOS5440_TMU_INTEN_RISE3_SHIFT) |
|
|
|
- (of_thermal_is_trip_valid(tz, 2)
|
|
|
- << EXYNOS5440_TMU_INTEN_RISE2_SHIFT) |
|
|
|
- (of_thermal_is_trip_valid(tz, 1)
|
|
|
- << EXYNOS5440_TMU_INTEN_RISE1_SHIFT) |
|
|
|
- (of_thermal_is_trip_valid(tz, 0)
|
|
|
- << EXYNOS5440_TMU_INTEN_RISE0_SHIFT);
|
|
|
- interrupt_en |=
|
|
|
- interrupt_en << EXYNOS5440_TMU_INTEN_FALL0_SHIFT;
|
|
|
- } else {
|
|
|
- con &= ~(1 << EXYNOS_TMU_CORE_EN_SHIFT);
|
|
|
- interrupt_en = 0; /* Disable all interrupts */
|
|
|
- }
|
|
|
- writel(interrupt_en, data->base + EXYNOS5440_TMU_S0_7_IRQEN);
|
|
|
- writel(con, data->base + EXYNOS5440_TMU_S0_7_CTRL);
|
|
|
-}
|
|
|
-
|
|
|
static void exynos7_tmu_control(struct platform_device *pdev, bool on)
|
|
|
{
|
|
|
struct exynos_tmu_data *data = platform_get_drvdata(pdev);
|
|
|
struct thermal_zone_device *tz = data->tzd;
|
|
|
- unsigned int con, interrupt_en;
|
|
|
+ unsigned int con, interrupt_en = 0, i;
|
|
|
|
|
|
con = get_con_reg(data, readl(data->base + EXYNOS_TMU_REG_CONTROL));
|
|
|
|
|
|
if (on) {
|
|
|
- con |= (1 << EXYNOS_TMU_CORE_EN_SHIFT);
|
|
|
- con |= (1 << EXYNOS7_PD_DET_EN_SHIFT);
|
|
|
- interrupt_en =
|
|
|
- (of_thermal_is_trip_valid(tz, 7)
|
|
|
- << EXYNOS7_TMU_INTEN_RISE7_SHIFT) |
|
|
|
- (of_thermal_is_trip_valid(tz, 6)
|
|
|
- << EXYNOS7_TMU_INTEN_RISE6_SHIFT) |
|
|
|
- (of_thermal_is_trip_valid(tz, 5)
|
|
|
- << EXYNOS7_TMU_INTEN_RISE5_SHIFT) |
|
|
|
- (of_thermal_is_trip_valid(tz, 4)
|
|
|
- << EXYNOS7_TMU_INTEN_RISE4_SHIFT) |
|
|
|
- (of_thermal_is_trip_valid(tz, 3)
|
|
|
- << EXYNOS7_TMU_INTEN_RISE3_SHIFT) |
|
|
|
- (of_thermal_is_trip_valid(tz, 2)
|
|
|
- << EXYNOS7_TMU_INTEN_RISE2_SHIFT) |
|
|
|
- (of_thermal_is_trip_valid(tz, 1)
|
|
|
- << EXYNOS7_TMU_INTEN_RISE1_SHIFT) |
|
|
|
- (of_thermal_is_trip_valid(tz, 0)
|
|
|
- << EXYNOS7_TMU_INTEN_RISE0_SHIFT);
|
|
|
+ for (i = 0; i < data->ntrip; i++) {
|
|
|
+ if (!of_thermal_is_trip_valid(tz, i))
|
|
|
+ continue;
|
|
|
+
|
|
|
+ interrupt_en |=
|
|
|
+ (1 << (EXYNOS7_TMU_INTEN_RISE0_SHIFT + i));
|
|
|
+ }
|
|
|
|
|
|
interrupt_en |=
|
|
|
interrupt_en << EXYNOS_TMU_INTEN_FALL0_SHIFT;
|
|
|
+
|
|
|
+ con |= (1 << EXYNOS_TMU_CORE_EN_SHIFT);
|
|
|
+ con |= (1 << EXYNOS7_PD_DET_EN_SHIFT);
|
|
|
} else {
|
|
|
con &= ~(1 << EXYNOS_TMU_CORE_EN_SHIFT);
|
|
|
con &= ~(1 << EXYNOS7_PD_DET_EN_SHIFT);
|
|
|
- interrupt_en = 0; /* Disable all interrupts */
|
|
|
}
|
|
|
|
|
|
writel(interrupt_en, data->base + EXYNOS7_TMU_REG_INTEN);
|
|
@@ -896,6 +668,12 @@ static int exynos_get_temp(void *p, int *temp)
|
|
|
|
|
|
if (!data || !data->tmu_read || !data->enabled)
|
|
|
return -EINVAL;
|
|
|
+ else if (!data->enabled)
|
|
|
+ /*
|
|
|
+ * Called too early, probably
|
|
|
+ * from thermal_zone_of_sensor_register().
|
|
|
+ */
|
|
|
+ return -EAGAIN;
|
|
|
|
|
|
mutex_lock(&data->lock);
|
|
|
clk_enable(data->clk);
|
|
@@ -919,10 +697,8 @@ static u32 get_emul_con_reg(struct exynos_tmu_data *data, unsigned int val,
|
|
|
if (temp) {
|
|
|
temp /= MCELSIUS;
|
|
|
|
|
|
- if (data->soc != SOC_ARCH_EXYNOS5440) {
|
|
|
- val &= ~(EXYNOS_EMUL_TIME_MASK << EXYNOS_EMUL_TIME_SHIFT);
|
|
|
- val |= (EXYNOS_EMUL_TIME << EXYNOS_EMUL_TIME_SHIFT);
|
|
|
- }
|
|
|
+ val &= ~(EXYNOS_EMUL_TIME_MASK << EXYNOS_EMUL_TIME_SHIFT);
|
|
|
+ val |= (EXYNOS_EMUL_TIME << EXYNOS_EMUL_TIME_SHIFT);
|
|
|
if (data->soc == SOC_ARCH_EXYNOS7) {
|
|
|
val &= ~(EXYNOS7_EMUL_DATA_MASK <<
|
|
|
EXYNOS7_EMUL_DATA_SHIFT);
|
|
@@ -963,16 +739,6 @@ static void exynos4412_tmu_set_emulation(struct exynos_tmu_data *data,
|
|
|
writel(val, data->base + emul_con);
|
|
|
}
|
|
|
|
|
|
-static void exynos5440_tmu_set_emulation(struct exynos_tmu_data *data,
|
|
|
- int temp)
|
|
|
-{
|
|
|
- unsigned int val;
|
|
|
-
|
|
|
- val = readl(data->base + EXYNOS5440_TMU_S0_7_DEBUG);
|
|
|
- val = get_emul_con_reg(data, val, temp);
|
|
|
- writel(val, data->base + EXYNOS5440_TMU_S0_7_DEBUG);
|
|
|
-}
|
|
|
-
|
|
|
static int exynos_tmu_set_emulation(void *drv_data, int temp)
|
|
|
{
|
|
|
struct exynos_tmu_data *data = drv_data;
|
|
@@ -995,7 +761,6 @@ out:
|
|
|
}
|
|
|
#else
|
|
|
#define exynos4412_tmu_set_emulation NULL
|
|
|
-#define exynos5440_tmu_set_emulation NULL
|
|
|
static int exynos_tmu_set_emulation(void *drv_data, int temp)
|
|
|
{ return -EINVAL; }
|
|
|
#endif /* CONFIG_THERMAL_EMULATION */
|
|
@@ -1013,11 +778,6 @@ static int exynos4412_tmu_read(struct exynos_tmu_data *data)
|
|
|
return readb(data->base + EXYNOS_TMU_REG_CURRENT_TEMP);
|
|
|
}
|
|
|
|
|
|
-static int exynos5440_tmu_read(struct exynos_tmu_data *data)
|
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-{
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- return readb(data->base + EXYNOS5440_TMU_S0_7_TEMP);
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-}
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-
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static int exynos7_tmu_read(struct exynos_tmu_data *data)
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{
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return readw(data->base + EXYNOS_TMU_REG_CURRENT_TEMP) &
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@@ -1028,20 +788,14 @@ static void exynos_tmu_work(struct work_struct *work)
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{
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struct exynos_tmu_data *data = container_of(work,
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struct exynos_tmu_data, irq_work);
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- unsigned int val_type;
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if (!IS_ERR(data->clk_sec))
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clk_enable(data->clk_sec);
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- /* Find which sensor generated this interrupt */
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- if (data->soc == SOC_ARCH_EXYNOS5440) {
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- val_type = readl(data->base_second + EXYNOS5440_TMU_IRQ_STATUS);
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- if (!((val_type >> data->id) & 0x1))
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- goto out;
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- }
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if (!IS_ERR(data->clk_sec))
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clk_disable(data->clk_sec);
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- exynos_report_trigger(data);
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+ thermal_zone_device_update(data->tzd, THERMAL_EVENT_UNSPECIFIED);
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+
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mutex_lock(&data->lock);
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clk_enable(data->clk);
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@@ -1050,7 +804,6 @@ static void exynos_tmu_work(struct work_struct *work)
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clk_disable(data->clk);
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mutex_unlock(&data->lock);
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-out:
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enable_irq(data->irq);
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}
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@@ -1085,15 +838,6 @@ static void exynos4210_tmu_clear_irqs(struct exynos_tmu_data *data)
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writel(val_irq, data->base + tmu_intclear);
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}
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-static void exynos5440_tmu_clear_irqs(struct exynos_tmu_data *data)
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-{
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- unsigned int val_irq;
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-
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- val_irq = readl(data->base + EXYNOS5440_TMU_S0_7_IRQ);
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- /* clear the interrupts */
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- writel(val_irq, data->base + EXYNOS5440_TMU_S0_7_IRQ);
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-}
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-
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static irqreturn_t exynos_tmu_irq(int irq, void *id)
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{
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struct exynos_tmu_data *data = id;
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@@ -1105,86 +849,41 @@ static irqreturn_t exynos_tmu_irq(int irq, void *id)
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}
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static const struct of_device_id exynos_tmu_match[] = {
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- { .compatible = "samsung,exynos3250-tmu", },
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- { .compatible = "samsung,exynos4210-tmu", },
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- { .compatible = "samsung,exynos4412-tmu", },
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- { .compatible = "samsung,exynos5250-tmu", },
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- { .compatible = "samsung,exynos5260-tmu", },
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- { .compatible = "samsung,exynos5420-tmu", },
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- { .compatible = "samsung,exynos5420-tmu-ext-triminfo", },
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- { .compatible = "samsung,exynos5433-tmu", },
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- { .compatible = "samsung,exynos5440-tmu", },
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- { .compatible = "samsung,exynos7-tmu", },
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- { /* sentinel */ },
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+ {
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+ .compatible = "samsung,exynos3250-tmu",
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+ .data = (const void *)SOC_ARCH_EXYNOS3250,
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+ }, {
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+ .compatible = "samsung,exynos4210-tmu",
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+ .data = (const void *)SOC_ARCH_EXYNOS4210,
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+ }, {
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+ .compatible = "samsung,exynos4412-tmu",
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+ .data = (const void *)SOC_ARCH_EXYNOS4412,
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+ }, {
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+ .compatible = "samsung,exynos5250-tmu",
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+ .data = (const void *)SOC_ARCH_EXYNOS5250,
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+ }, {
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+ .compatible = "samsung,exynos5260-tmu",
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+ .data = (const void *)SOC_ARCH_EXYNOS5260,
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+ }, {
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+ .compatible = "samsung,exynos5420-tmu",
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+ .data = (const void *)SOC_ARCH_EXYNOS5420,
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+ }, {
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+ .compatible = "samsung,exynos5420-tmu-ext-triminfo",
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+ .data = (const void *)SOC_ARCH_EXYNOS5420_TRIMINFO,
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+ }, {
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+ .compatible = "samsung,exynos5433-tmu",
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+ .data = (const void *)SOC_ARCH_EXYNOS5433,
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+ }, {
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|
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+ .compatible = "samsung,exynos7-tmu",
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+ .data = (const void *)SOC_ARCH_EXYNOS7,
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|
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+ },
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|
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+ { },
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};
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MODULE_DEVICE_TABLE(of, exynos_tmu_match);
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|
|
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-static int exynos_of_get_soc_type(struct device_node *np)
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-{
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- if (of_device_is_compatible(np, "samsung,exynos3250-tmu"))
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- return SOC_ARCH_EXYNOS3250;
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- else if (of_device_is_compatible(np, "samsung,exynos4210-tmu"))
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- return SOC_ARCH_EXYNOS4210;
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- else if (of_device_is_compatible(np, "samsung,exynos4412-tmu"))
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- return SOC_ARCH_EXYNOS4412;
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- else if (of_device_is_compatible(np, "samsung,exynos5250-tmu"))
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- return SOC_ARCH_EXYNOS5250;
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- else if (of_device_is_compatible(np, "samsung,exynos5260-tmu"))
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- return SOC_ARCH_EXYNOS5260;
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- else if (of_device_is_compatible(np, "samsung,exynos5420-tmu"))
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- return SOC_ARCH_EXYNOS5420;
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- else if (of_device_is_compatible(np,
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- "samsung,exynos5420-tmu-ext-triminfo"))
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- return SOC_ARCH_EXYNOS5420_TRIMINFO;
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- else if (of_device_is_compatible(np, "samsung,exynos5433-tmu"))
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- return SOC_ARCH_EXYNOS5433;
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- else if (of_device_is_compatible(np, "samsung,exynos5440-tmu"))
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- return SOC_ARCH_EXYNOS5440;
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- else if (of_device_is_compatible(np, "samsung,exynos7-tmu"))
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- return SOC_ARCH_EXYNOS7;
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-
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- return -EINVAL;
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-}
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-
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|
|
-static int exynos_of_sensor_conf(struct device_node *np,
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- struct exynos_tmu_platform_data *pdata)
|
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-{
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- u32 value;
|
|
|
- int ret;
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|
-
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|
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- of_node_get(np);
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-
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|
- ret = of_property_read_u32(np, "samsung,tmu_gain", &value);
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- pdata->gain = (u8)value;
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- of_property_read_u32(np, "samsung,tmu_reference_voltage", &value);
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|
- pdata->reference_voltage = (u8)value;
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|
- of_property_read_u32(np, "samsung,tmu_noise_cancel_mode", &value);
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|
|
- pdata->noise_cancel_mode = (u8)value;
|
|
|
-
|
|
|
- of_property_read_u32(np, "samsung,tmu_efuse_value",
|
|
|
- &pdata->efuse_value);
|
|
|
- of_property_read_u32(np, "samsung,tmu_min_efuse_value",
|
|
|
- &pdata->min_efuse_value);
|
|
|
- of_property_read_u32(np, "samsung,tmu_max_efuse_value",
|
|
|
- &pdata->max_efuse_value);
|
|
|
-
|
|
|
- of_property_read_u32(np, "samsung,tmu_first_point_trim", &value);
|
|
|
- pdata->first_point_trim = (u8)value;
|
|
|
- of_property_read_u32(np, "samsung,tmu_second_point_trim", &value);
|
|
|
- pdata->second_point_trim = (u8)value;
|
|
|
- of_property_read_u32(np, "samsung,tmu_default_temp_offset", &value);
|
|
|
- pdata->default_temp_offset = (u8)value;
|
|
|
-
|
|
|
- of_property_read_u32(np, "samsung,tmu_cal_type", &pdata->cal_type);
|
|
|
-
|
|
|
- of_node_put(np);
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
static int exynos_map_dt_data(struct platform_device *pdev)
|
|
|
{
|
|
|
struct exynos_tmu_data *data = platform_get_drvdata(pdev);
|
|
|
- struct exynos_tmu_platform_data *pdata;
|
|
|
struct resource res;
|
|
|
|
|
|
if (!data || !pdev->dev.of_node)
|
|
@@ -1211,23 +910,22 @@ static int exynos_map_dt_data(struct platform_device *pdev)
|
|
|
return -EADDRNOTAVAIL;
|
|
|
}
|
|
|
|
|
|
- pdata = devm_kzalloc(&pdev->dev,
|
|
|
- sizeof(struct exynos_tmu_platform_data),
|
|
|
- GFP_KERNEL);
|
|
|
- if (!pdata)
|
|
|
- return -ENOMEM;
|
|
|
-
|
|
|
- exynos_of_sensor_conf(pdev->dev.of_node, pdata);
|
|
|
- data->pdata = pdata;
|
|
|
- data->soc = exynos_of_get_soc_type(pdev->dev.of_node);
|
|
|
+ data->soc = (enum soc_type)of_device_get_match_data(&pdev->dev);
|
|
|
|
|
|
switch (data->soc) {
|
|
|
case SOC_ARCH_EXYNOS4210:
|
|
|
+ data->tmu_set_trip_temp = exynos4210_tmu_set_trip_temp;
|
|
|
+ data->tmu_set_trip_hyst = exynos4210_tmu_set_trip_hyst;
|
|
|
data->tmu_initialize = exynos4210_tmu_initialize;
|
|
|
data->tmu_control = exynos4210_tmu_control;
|
|
|
data->tmu_read = exynos4210_tmu_read;
|
|
|
data->tmu_clear_irqs = exynos4210_tmu_clear_irqs;
|
|
|
data->ntrip = 4;
|
|
|
+ data->gain = 15;
|
|
|
+ data->reference_voltage = 7;
|
|
|
+ data->efuse_value = 55;
|
|
|
+ data->min_efuse_value = 40;
|
|
|
+ data->max_efuse_value = 100;
|
|
|
break;
|
|
|
case SOC_ARCH_EXYNOS3250:
|
|
|
case SOC_ARCH_EXYNOS4412:
|
|
@@ -1235,48 +933,69 @@ static int exynos_map_dt_data(struct platform_device *pdev)
|
|
|
case SOC_ARCH_EXYNOS5260:
|
|
|
case SOC_ARCH_EXYNOS5420:
|
|
|
case SOC_ARCH_EXYNOS5420_TRIMINFO:
|
|
|
+ data->tmu_set_trip_temp = exynos4412_tmu_set_trip_temp;
|
|
|
+ data->tmu_set_trip_hyst = exynos4412_tmu_set_trip_hyst;
|
|
|
data->tmu_initialize = exynos4412_tmu_initialize;
|
|
|
data->tmu_control = exynos4210_tmu_control;
|
|
|
data->tmu_read = exynos4412_tmu_read;
|
|
|
data->tmu_set_emulation = exynos4412_tmu_set_emulation;
|
|
|
data->tmu_clear_irqs = exynos4210_tmu_clear_irqs;
|
|
|
data->ntrip = 4;
|
|
|
+ data->gain = 8;
|
|
|
+ data->reference_voltage = 16;
|
|
|
+ data->efuse_value = 55;
|
|
|
+ if (data->soc != SOC_ARCH_EXYNOS5420 &&
|
|
|
+ data->soc != SOC_ARCH_EXYNOS5420_TRIMINFO)
|
|
|
+ data->min_efuse_value = 40;
|
|
|
+ else
|
|
|
+ data->min_efuse_value = 0;
|
|
|
+ data->max_efuse_value = 100;
|
|
|
break;
|
|
|
case SOC_ARCH_EXYNOS5433:
|
|
|
+ data->tmu_set_trip_temp = exynos5433_tmu_set_trip_temp;
|
|
|
+ data->tmu_set_trip_hyst = exynos5433_tmu_set_trip_hyst;
|
|
|
data->tmu_initialize = exynos5433_tmu_initialize;
|
|
|
data->tmu_control = exynos5433_tmu_control;
|
|
|
data->tmu_read = exynos4412_tmu_read;
|
|
|
data->tmu_set_emulation = exynos4412_tmu_set_emulation;
|
|
|
data->tmu_clear_irqs = exynos4210_tmu_clear_irqs;
|
|
|
data->ntrip = 8;
|
|
|
- break;
|
|
|
- case SOC_ARCH_EXYNOS5440:
|
|
|
- data->tmu_initialize = exynos5440_tmu_initialize;
|
|
|
- data->tmu_control = exynos5440_tmu_control;
|
|
|
- data->tmu_read = exynos5440_tmu_read;
|
|
|
- data->tmu_set_emulation = exynos5440_tmu_set_emulation;
|
|
|
- data->tmu_clear_irqs = exynos5440_tmu_clear_irqs;
|
|
|
- data->ntrip = 4;
|
|
|
+ data->gain = 8;
|
|
|
+ if (res.start == EXYNOS5433_G3D_BASE)
|
|
|
+ data->reference_voltage = 23;
|
|
|
+ else
|
|
|
+ data->reference_voltage = 16;
|
|
|
+ data->efuse_value = 75;
|
|
|
+ data->min_efuse_value = 40;
|
|
|
+ data->max_efuse_value = 150;
|
|
|
break;
|
|
|
case SOC_ARCH_EXYNOS7:
|
|
|
+ data->tmu_set_trip_temp = exynos7_tmu_set_trip_temp;
|
|
|
+ data->tmu_set_trip_hyst = exynos7_tmu_set_trip_hyst;
|
|
|
data->tmu_initialize = exynos7_tmu_initialize;
|
|
|
data->tmu_control = exynos7_tmu_control;
|
|
|
data->tmu_read = exynos7_tmu_read;
|
|
|
data->tmu_set_emulation = exynos4412_tmu_set_emulation;
|
|
|
data->tmu_clear_irqs = exynos4210_tmu_clear_irqs;
|
|
|
data->ntrip = 8;
|
|
|
+ data->gain = 9;
|
|
|
+ data->reference_voltage = 17;
|
|
|
+ data->efuse_value = 75;
|
|
|
+ data->min_efuse_value = 15;
|
|
|
+ data->max_efuse_value = 100;
|
|
|
break;
|
|
|
default:
|
|
|
dev_err(&pdev->dev, "Platform not supported\n");
|
|
|
return -EINVAL;
|
|
|
}
|
|
|
|
|
|
+ data->cal_type = TYPE_ONE_POINT_TRIMMING;
|
|
|
+
|
|
|
/*
|
|
|
* Check if the TMU shares some registers and then try to map the
|
|
|
* memory of common registers.
|
|
|
*/
|
|
|
- if (data->soc != SOC_ARCH_EXYNOS5420_TRIMINFO &&
|
|
|
- data->soc != SOC_ARCH_EXYNOS5440)
|
|
|
+ if (data->soc != SOC_ARCH_EXYNOS5420_TRIMINFO)
|
|
|
return 0;
|
|
|
|
|
|
if (of_address_to_resource(pdev->dev.of_node, 1, &res)) {
|