diff options
Diffstat (limited to 'drivers/thermal')
| -rw-r--r-- | drivers/thermal/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/thermal/cpu_cooling.c | 2 | ||||
| -rw-r--r-- | drivers/thermal/int3403_thermal.c | 67 | ||||
| -rw-r--r-- | drivers/thermal/samsung/exynos_tmu.c | 11 | ||||
| -rw-r--r-- | drivers/thermal/samsung/exynos_tmu.h | 3 | ||||
| -rw-r--r-- | drivers/thermal/samsung/exynos_tmu_data.c | 89 | ||||
| -rw-r--r-- | drivers/thermal/samsung/exynos_tmu_data.h | 7 |
7 files changed, 168 insertions, 13 deletions
diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig index 57240f5f3d59..693208eb9047 100644 --- a/drivers/thermal/Kconfig +++ b/drivers/thermal/Kconfig @@ -151,7 +151,7 @@ config KIRKWOOD_THERMAL config DOVE_THERMAL tristate "Temperature sensor on Marvell Dove SoCs" - depends on ARCH_DOVE + depends on ARCH_DOVE || MACH_DOVE depends on OF help Support for the Dove thermal sensor driver in the Linux thermal diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c index 84a75f89bf74..1ab0018271c5 100644 --- a/drivers/thermal/cpu_cooling.c +++ b/drivers/thermal/cpu_cooling.c @@ -305,7 +305,7 @@ static int cpufreq_apply_cooling(struct cpufreq_cooling_device *cpufreq_device, * @event: value showing cpufreq event for which this function invoked. * @data: callback-specific data * - * Callback to highjack the notification on cpufreq policy transition. + * Callback to hijack the notification on cpufreq policy transition. * Every time there is a change in policy, we will intercept and * update the cpufreq policy with thermal constraints. * diff --git a/drivers/thermal/int3403_thermal.c b/drivers/thermal/int3403_thermal.c index e93f0253f6ed..17554eeb3953 100644 --- a/drivers/thermal/int3403_thermal.c +++ b/drivers/thermal/int3403_thermal.c @@ -33,6 +33,10 @@ struct int3403_sensor { struct thermal_zone_device *tzone; unsigned long *thresholds; + unsigned long crit_temp; + int crit_trip_id; + unsigned long psv_temp; + int psv_trip_id; }; static int sys_get_curr_temp(struct thermal_zone_device *tzone, @@ -79,12 +83,18 @@ static int sys_get_trip_temp(struct thermal_zone_device *tzone, struct acpi_device *device = tzone->devdata; struct int3403_sensor *obj = acpi_driver_data(device); - /* - * get_trip_temp is a mandatory callback but - * PATx method doesn't return any value, so return - * cached value, which was last set from user space. - */ - *temp = obj->thresholds[trip]; + if (trip == obj->crit_trip_id) + *temp = obj->crit_temp; + else if (trip == obj->psv_trip_id) + *temp = obj->psv_temp; + else { + /* + * get_trip_temp is a mandatory callback but + * PATx method doesn't return any value, so return + * cached value, which was last set from user space. + */ + *temp = obj->thresholds[trip]; + } return 0; } @@ -92,8 +102,14 @@ static int sys_get_trip_temp(struct thermal_zone_device *tzone, static int sys_get_trip_type(struct thermal_zone_device *thermal, int trip, enum thermal_trip_type *type) { + struct acpi_device *device = thermal->devdata; + struct int3403_sensor *obj = acpi_driver_data(device); + /* Mandatory callback, may not mean much here */ - *type = THERMAL_TRIP_PASSIVE; + if (trip == obj->crit_trip_id) + *type = THERMAL_TRIP_CRITICAL; + else + *type = THERMAL_TRIP_PASSIVE; return 0; } @@ -155,6 +171,34 @@ static void acpi_thermal_notify(struct acpi_device *device, u32 event) } } +static int sys_get_trip_crt(struct acpi_device *device, unsigned long *temp) +{ + unsigned long long crt; + acpi_status status; + + status = acpi_evaluate_integer(device->handle, "_CRT", NULL, &crt); + if (ACPI_FAILURE(status)) + return -EIO; + + *temp = DECI_KELVIN_TO_MILLI_CELSIUS(crt, KELVIN_OFFSET); + + return 0; +} + +static int sys_get_trip_psv(struct acpi_device *device, unsigned long *temp) +{ + unsigned long long psv; + acpi_status status; + + status = acpi_evaluate_integer(device->handle, "_PSV", NULL, &psv); + if (ACPI_FAILURE(status)) + return -EIO; + + *temp = DECI_KELVIN_TO_MILLI_CELSIUS(psv, KELVIN_OFFSET); + + return 0; +} + static int acpi_int3403_add(struct acpi_device *device) { int result = 0; @@ -194,6 +238,15 @@ static int acpi_int3403_add(struct acpi_device *device) return -ENOMEM; trip_mask = BIT(trip_cnt) - 1; } + + obj->psv_trip_id = -1; + if (!sys_get_trip_psv(device, &obj->psv_temp)) + obj->psv_trip_id = trip_cnt++; + + obj->crit_trip_id = -1; + if (!sys_get_trip_crt(device, &obj->crit_temp)) + obj->crit_trip_id = trip_cnt++; + obj->tzone = thermal_zone_device_register(acpi_device_bid(device), trip_cnt, trip_mask, device, &tzone_ops, NULL, 0, 0); diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c index d7ca9f49c9cb..acbff14da3a4 100644 --- a/drivers/thermal/samsung/exynos_tmu.c +++ b/drivers/thermal/samsung/exynos_tmu.c @@ -505,6 +505,10 @@ static irqreturn_t exynos_tmu_irq(int irq, void *id) static const struct of_device_id exynos_tmu_match[] = { { + .compatible = "samsung,exynos3250-tmu", + .data = (void *)EXYNOS3250_TMU_DRV_DATA, + }, + { .compatible = "samsung,exynos4210-tmu", .data = (void *)EXYNOS4210_TMU_DRV_DATA, }, @@ -677,7 +681,8 @@ static int exynos_tmu_probe(struct platform_device *pdev) goto err_clk_sec; } - if (pdata->type == SOC_ARCH_EXYNOS4210 || + if (pdata->type == SOC_ARCH_EXYNOS3250 || + pdata->type == SOC_ARCH_EXYNOS4210 || pdata->type == SOC_ARCH_EXYNOS4412 || pdata->type == SOC_ARCH_EXYNOS5250 || pdata->type == SOC_ARCH_EXYNOS5260 || @@ -759,10 +764,10 @@ static int exynos_tmu_remove(struct platform_device *pdev) { struct exynos_tmu_data *data = platform_get_drvdata(pdev); - exynos_tmu_control(pdev, false); - exynos_unregister_thermal(data->reg_conf); + exynos_tmu_control(pdev, false); + clk_unprepare(data->clk); if (!IS_ERR(data->clk_sec)) clk_unprepare(data->clk_sec); diff --git a/drivers/thermal/samsung/exynos_tmu.h b/drivers/thermal/samsung/exynos_tmu.h index edd08cf76729..1b4a6444ea61 100644 --- a/drivers/thermal/samsung/exynos_tmu.h +++ b/drivers/thermal/samsung/exynos_tmu.h @@ -40,7 +40,8 @@ enum calibration_mode { }; enum soc_type { - SOC_ARCH_EXYNOS4210 = 1, + SOC_ARCH_EXYNOS3250 = 1, + SOC_ARCH_EXYNOS4210, SOC_ARCH_EXYNOS4412, SOC_ARCH_EXYNOS5250, SOC_ARCH_EXYNOS5260, diff --git a/drivers/thermal/samsung/exynos_tmu_data.c b/drivers/thermal/samsung/exynos_tmu_data.c index c1d81dcd7819..aa8e0dee2055 100644 --- a/drivers/thermal/samsung/exynos_tmu_data.c +++ b/drivers/thermal/samsung/exynos_tmu_data.c @@ -90,6 +90,95 @@ struct exynos_tmu_init_data const exynos4210_default_tmu_data = { }; #endif +#if defined(CONFIG_SOC_EXYNOS3250) +static const struct exynos_tmu_registers exynos3250_tmu_registers = { + .triminfo_data = EXYNOS_TMU_REG_TRIMINFO, + .triminfo_25_shift = EXYNOS_TRIMINFO_25_SHIFT, + .triminfo_85_shift = EXYNOS_TRIMINFO_85_SHIFT, + .tmu_ctrl = EXYNOS_TMU_REG_CONTROL, + .test_mux_addr_shift = EXYNOS4412_MUX_ADDR_SHIFT, + .buf_vref_sel_shift = EXYNOS_TMU_REF_VOLTAGE_SHIFT, + .buf_vref_sel_mask = EXYNOS_TMU_REF_VOLTAGE_MASK, + .therm_trip_mode_shift = EXYNOS_TMU_TRIP_MODE_SHIFT, + .therm_trip_mode_mask = EXYNOS_TMU_TRIP_MODE_MASK, + .therm_trip_en_shift = EXYNOS_TMU_THERM_TRIP_EN_SHIFT, + .buf_slope_sel_shift = EXYNOS_TMU_BUF_SLOPE_SEL_SHIFT, + .buf_slope_sel_mask = EXYNOS_TMU_BUF_SLOPE_SEL_MASK, + .core_en_shift = EXYNOS_TMU_CORE_EN_SHIFT, + .tmu_status = EXYNOS_TMU_REG_STATUS, + .tmu_cur_temp = EXYNOS_TMU_REG_CURRENT_TEMP, + .threshold_th0 = EXYNOS_THD_TEMP_RISE, + .threshold_th1 = EXYNOS_THD_TEMP_FALL, + .tmu_inten = EXYNOS_TMU_REG_INTEN, + .inten_rise0_shift = EXYNOS_TMU_INTEN_RISE0_SHIFT, + .inten_rise1_shift = EXYNOS_TMU_INTEN_RISE1_SHIFT, + .inten_rise2_shift = EXYNOS_TMU_INTEN_RISE2_SHIFT, + .inten_fall0_shift = EXYNOS_TMU_INTEN_FALL0_SHIFT, + .tmu_intstat = EXYNOS_TMU_REG_INTSTAT, + .tmu_intclear = EXYNOS_TMU_REG_INTCLEAR, + .intclr_fall_shift = EXYNOS_TMU_CLEAR_FALL_INT_SHIFT, + .intclr_rise_shift = EXYNOS_TMU_RISE_INT_SHIFT, + .intclr_rise_mask = EXYNOS_TMU_RISE_INT_MASK, + .intclr_fall_mask = EXYNOS_TMU_FALL_INT_MASK, + .emul_con = EXYNOS_EMUL_CON, + .emul_temp_shift = EXYNOS_EMUL_DATA_SHIFT, + .emul_time_shift = EXYNOS_EMUL_TIME_SHIFT, + .emul_time_mask = EXYNOS_EMUL_TIME_MASK, +}; + +#define EXYNOS3250_TMU_DATA \ + .threshold_falling = 10, \ + .trigger_levels[0] = 70, \ + .trigger_levels[1] = 95, \ + .trigger_levels[2] = 110, \ + .trigger_levels[3] = 120, \ + .trigger_enable[0] = true, \ + .trigger_enable[1] = true, \ + .trigger_enable[2] = true, \ + .trigger_enable[3] = false, \ + .trigger_type[0] = THROTTLE_ACTIVE, \ + .trigger_type[1] = THROTTLE_ACTIVE, \ + .trigger_type[2] = SW_TRIP, \ + .trigger_type[3] = HW_TRIP, \ + .max_trigger_level = 4, \ + .gain = 8, \ + .reference_voltage = 16, \ + .noise_cancel_mode = 4, \ + .cal_type = TYPE_TWO_POINT_TRIMMING, \ + .efuse_value = 55, \ + .min_efuse_value = 40, \ + .max_efuse_value = 100, \ + .first_point_trim = 25, \ + .second_point_trim = 85, \ + .default_temp_offset = 50, \ + .freq_tab[0] = { \ + .freq_clip_max = 800 * 1000, \ + .temp_level = 70, \ + }, \ + .freq_tab[1] = { \ + .freq_clip_max = 400 * 1000, \ + .temp_level = 95, \ + }, \ + .freq_tab_count = 2, \ + .registers = &exynos3250_tmu_registers, \ + .features = (TMU_SUPPORT_EMULATION | \ + TMU_SUPPORT_FALLING_TRIP | TMU_SUPPORT_READY_STATUS | \ + TMU_SUPPORT_EMUL_TIME) +#endif + +#if defined(CONFIG_SOC_EXYNOS3250) +struct exynos_tmu_init_data const exynos3250_default_tmu_data = { + .tmu_data = { + { + EXYNOS3250_TMU_DATA, + .type = SOC_ARCH_EXYNOS3250, + .test_mux = EXYNOS4412_MUX_ADDR_VALUE, + }, + }, + .tmu_count = 1, +}; +#endif + #if defined(CONFIG_SOC_EXYNOS4412) || defined(CONFIG_SOC_EXYNOS5250) static const struct exynos_tmu_registers exynos4412_tmu_registers = { .triminfo_data = EXYNOS_TMU_REG_TRIMINFO, diff --git a/drivers/thermal/samsung/exynos_tmu_data.h b/drivers/thermal/samsung/exynos_tmu_data.h index d268981b65e5..f0979e598491 100644 --- a/drivers/thermal/samsung/exynos_tmu_data.h +++ b/drivers/thermal/samsung/exynos_tmu_data.h @@ -148,6 +148,13 @@ #define EXYNOS5440_TMU_TH_RISE4_SHIFT 24 #define EXYNOS5440_EFUSE_SWAP_OFFSET 8 +#if defined(CONFIG_SOC_EXYNOS3250) +extern struct exynos_tmu_init_data const exynos3250_default_tmu_data; +#define EXYNOS3250_TMU_DRV_DATA (&exynos3250_default_tmu_data) +#else +#define EXYNOS3250_TMU_DRV_DATA (NULL) +#endif + #if defined(CONFIG_CPU_EXYNOS4210) extern struct exynos_tmu_init_data const exynos4210_default_tmu_data; #define EXYNOS4210_TMU_DRV_DATA (&exynos4210_default_tmu_data) |