diff options
Diffstat (limited to 'drivers')
44 files changed, 882 insertions, 473 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tt.c b/drivers/net/wireless/intel/iwlwifi/mvm/tt.c index 61a4638d1be2..f8b08f98daa0 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tt.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tt.c @@ -638,7 +638,7 @@ out: } static int iwl_mvm_tzone_set_trip_temp(struct thermal_zone_device *device, - int trip, int temp) + const struct thermal_trip *trip, int temp) { struct iwl_mvm *mvm = thermal_zone_device_priv(device); int ret; diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig index 204ed89a3ec9..ed16897584b4 100644 --- a/drivers/thermal/Kconfig +++ b/drivers/thermal/Kconfig @@ -343,32 +343,6 @@ config ROCKCHIP_THERMAL trip point. Cpufreq is used as the cooling device and will throttle CPUs when the Temperature crosses the passive trip point. -config RCAR_THERMAL - tristate "Renesas R-Car thermal driver" - depends on ARCH_RENESAS || COMPILE_TEST - depends on HAS_IOMEM - help - Enable this to plug the R-Car thermal sensor driver into the Linux - thermal framework. - -config RCAR_GEN3_THERMAL - tristate "Renesas R-Car Gen3 and RZ/G2 thermal driver" - depends on ARCH_RENESAS || COMPILE_TEST - depends on HAS_IOMEM - depends on OF - help - Enable this to plug the R-Car Gen3 or RZ/G2 thermal sensor driver into - the Linux thermal framework. - -config RZG2L_THERMAL - tristate "Renesas RZ/G2L thermal driver" - depends on ARCH_RENESAS || COMPILE_TEST - depends on HAS_IOMEM - depends on OF - help - Enable this to plug the RZ/G2L thermal sensor driver into the Linux - thermal framework. - config KIRKWOOD_THERMAL tristate "Temperature sensor on Marvell Kirkwood SoCs" depends on MACH_KIRKWOOD || COMPILE_TEST @@ -459,6 +433,8 @@ depends on (ARCH_STI || ARCH_STM32) && OF source "drivers/thermal/st/Kconfig" endmenu +source "drivers/thermal/renesas/Kconfig" + source "drivers/thermal/tegra/Kconfig" config GENERIC_ADC_THERMAL diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile index 5cdf7d68687f..ce7a4752ef52 100644 --- a/drivers/thermal/Makefile +++ b/drivers/thermal/Makefile @@ -38,9 +38,7 @@ obj-$(CONFIG_THERMAL_MMIO) += thermal_mmio.o obj-$(CONFIG_SPEAR_THERMAL) += spear_thermal.o obj-$(CONFIG_SUN8I_THERMAL) += sun8i_thermal.o obj-$(CONFIG_ROCKCHIP_THERMAL) += rockchip_thermal.o -obj-$(CONFIG_RCAR_THERMAL) += rcar_thermal.o -obj-$(CONFIG_RCAR_GEN3_THERMAL) += rcar_gen3_thermal.o -obj-$(CONFIG_RZG2L_THERMAL) += rzg2l_thermal.o +obj-y += renesas/ obj-$(CONFIG_KIRKWOOD_THERMAL) += kirkwood_thermal.o obj-y += samsung/ obj-$(CONFIG_DOVE_THERMAL) += dove_thermal.o diff --git a/drivers/thermal/broadcom/bcm2835_thermal.c b/drivers/thermal/broadcom/bcm2835_thermal.c index 5c1cebe07580..5ad87eb3f578 100644 --- a/drivers/thermal/broadcom/bcm2835_thermal.c +++ b/drivers/thermal/broadcom/bcm2835_thermal.c @@ -163,6 +163,7 @@ MODULE_DEVICE_TABLE(of, bcm2835_thermal_of_match_table); static int bcm2835_thermal_probe(struct platform_device *pdev) { + struct device *dev = &pdev->dev; const struct of_device_id *match; struct thermal_zone_device *tz; struct bcm2835_thermal_data *data; @@ -170,12 +171,11 @@ static int bcm2835_thermal_probe(struct platform_device *pdev) u32 val; unsigned long rate; - data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); if (!data) return -ENOMEM; - match = of_match_device(bcm2835_thermal_of_match_table, - &pdev->dev); + match = of_match_device(bcm2835_thermal_of_match_table, dev); if (!match) return -EINVAL; @@ -185,34 +185,20 @@ static int bcm2835_thermal_probe(struct platform_device *pdev) return err; } - data->clk = devm_clk_get(&pdev->dev, NULL); - if (IS_ERR(data->clk)) { - err = PTR_ERR(data->clk); - if (err != -EPROBE_DEFER) - dev_err(&pdev->dev, "Could not get clk: %d\n", err); - return err; - } - - err = clk_prepare_enable(data->clk); - if (err) - return err; + data->clk = devm_clk_get_enabled(dev, NULL); + if (IS_ERR(data->clk)) + return dev_err_probe(dev, PTR_ERR(data->clk), "Could not get clk\n"); rate = clk_get_rate(data->clk); if ((rate < 1920000) || (rate > 5000000)) - dev_warn(&pdev->dev, + dev_warn(dev, "Clock %pCn running at %lu Hz is outside of the recommended range: 1.92 to 5MHz\n", data->clk, rate); /* register of thermal sensor and get info from DT */ - tz = devm_thermal_of_zone_register(&pdev->dev, 0, data, - &bcm2835_thermal_ops); - if (IS_ERR(tz)) { - err = PTR_ERR(tz); - dev_err(&pdev->dev, - "Failed to register the thermal device: %d\n", - err); - goto err_clk; - } + tz = devm_thermal_of_zone_register(dev, 0, data, &bcm2835_thermal_ops); + if (IS_ERR(tz)) + return dev_err_probe(dev, PTR_ERR(tz), "Failed to register the thermal device\n"); /* * right now the FW does set up the HW-block, so we are not @@ -233,10 +219,8 @@ static int bcm2835_thermal_probe(struct platform_device *pdev) */ err = thermal_zone_get_trip(tz, 0, &trip); if (err < 0) { - dev_err(&pdev->dev, - "Not able to read trip_temp: %d\n", - err); - goto err_tz; + dev_err(dev, "Not able to read trip_temp: %d\n", err); + return err; } /* set bandgap reference voltage and enable voltage regulator */ @@ -269,17 +253,11 @@ static int bcm2835_thermal_probe(struct platform_device *pdev) */ err = thermal_add_hwmon_sysfs(tz); if (err) - goto err_tz; + return err; bcm2835_thermal_debugfs(pdev); return 0; -err_tz: - devm_thermal_of_zone_unregister(&pdev->dev, tz); -err_clk: - clk_disable_unprepare(data->clk); - - return err; } static void bcm2835_thermal_remove(struct platform_device *pdev) @@ -287,7 +265,6 @@ static void bcm2835_thermal_remove(struct platform_device *pdev) struct bcm2835_thermal_data *data = platform_get_drvdata(pdev); debugfs_remove_recursive(data->debugfsdir); - clk_disable_unprepare(data->clk); } static struct platform_driver bcm2835_thermal_driver = { diff --git a/drivers/thermal/gov_bang_bang.c b/drivers/thermal/gov_bang_bang.c index acb52c9ee10f..4a2e869b9538 100644 --- a/drivers/thermal/gov_bang_bang.c +++ b/drivers/thermal/gov_bang_bang.c @@ -57,24 +57,16 @@ static void bang_bang_control(struct thermal_zone_device *tz, if (instance->trip != trip) continue; - if (instance->target == THERMAL_NO_TARGET) - instance->target = 0; - - if (instance->target != 0 && instance->target != 1) { + if (instance->target != 0 && instance->target != 1 && + instance->target != THERMAL_NO_TARGET) pr_debug("Unexpected state %ld of thermal instance %s in bang-bang\n", instance->target, instance->name); - instance->target = 1; - } - /* * Enable the fan when the trip is crossed on the way up and * disable it when the trip is crossed on the way down. */ - if (instance->target == 0 && crossed_up) - instance->target = 1; - else if (instance->target == 1 && !crossed_up) - instance->target = 0; + instance->target = crossed_up; dev_dbg(&instance->cdev->device, "target=%ld\n", instance->target); diff --git a/drivers/thermal/hisi_thermal.c b/drivers/thermal/hisi_thermal.c index dd751ae63608..0eb657db62e4 100644 --- a/drivers/thermal/hisi_thermal.c +++ b/drivers/thermal/hisi_thermal.c @@ -388,15 +388,10 @@ static int hi6220_thermal_probe(struct hisi_thermal_data *data) { struct platform_device *pdev = data->pdev; struct device *dev = &pdev->dev; - int ret; data->clk = devm_clk_get(dev, "thermal_clk"); - if (IS_ERR(data->clk)) { - ret = PTR_ERR(data->clk); - if (ret != -EPROBE_DEFER) - dev_err(dev, "failed to get thermal clk: %d\n", ret); - return ret; - } + if (IS_ERR(data->clk)) + return dev_err_probe(dev, PTR_ERR(data->clk), "failed to get thermal clk\n"); data->sensor = devm_kzalloc(dev, sizeof(*data->sensor), GFP_KERNEL); if (!data->sensor) diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c index 83eaae5ca3b8..091fb30dedf3 100644 --- a/drivers/thermal/imx_thermal.c +++ b/drivers/thermal/imx_thermal.c @@ -331,25 +331,16 @@ static int imx_change_mode(struct thermal_zone_device *tz, return 0; } -static int imx_set_trip_temp(struct thermal_zone_device *tz, int trip_id, - int temp) +static int imx_set_trip_temp(struct thermal_zone_device *tz, + const struct thermal_trip *trip, int temp) { struct imx_thermal_data *data = thermal_zone_device_priv(tz); - struct thermal_trip trip; int ret; ret = pm_runtime_resume_and_get(data->dev); if (ret < 0) return ret; - ret = __thermal_zone_get_trip(tz, trip_id, &trip); - if (ret) - return ret; - - /* do not allow changing critical threshold */ - if (trip.type == THERMAL_TRIP_CRITICAL) - return -EPERM; - /* do not allow passive to be set higher than critical */ if (temp < 0 || temp > trips[IMX_TRIP_CRITICAL].temperature) return -EINVAL; @@ -601,28 +592,29 @@ static inline void imx_thermal_unregister_legacy_cooling(struct imx_thermal_data static int imx_thermal_probe(struct platform_device *pdev) { + struct device *dev = &pdev->dev; struct imx_thermal_data *data; struct regmap *map; int measure_freq; int ret; - data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); if (!data) return -ENOMEM; - data->dev = &pdev->dev; + data->dev = dev; - map = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, "fsl,tempmon"); + map = syscon_regmap_lookup_by_phandle(dev->of_node, "fsl,tempmon"); if (IS_ERR(map)) { ret = PTR_ERR(map); - dev_err(&pdev->dev, "failed to get tempmon regmap: %d\n", ret); + dev_err(dev, "failed to get tempmon regmap: %d\n", ret); return ret; } data->tempmon = map; - data->socdata = of_device_get_match_data(&pdev->dev); + data->socdata = of_device_get_match_data(dev); if (!data->socdata) { - dev_err(&pdev->dev, "no device match found\n"); + dev_err(dev, "no device match found\n"); return -ENODEV; } @@ -645,15 +637,15 @@ static int imx_thermal_probe(struct platform_device *pdev) platform_set_drvdata(pdev, data); - if (of_property_present(pdev->dev.of_node, "nvmem-cells")) { + if (of_property_present(dev->of_node, "nvmem-cells")) { ret = imx_init_from_nvmem_cells(pdev); if (ret) - return dev_err_probe(&pdev->dev, ret, + return dev_err_probe(dev, ret, "failed to init from nvmem\n"); } else { ret = imx_init_from_tempmon_data(pdev); if (ret) { - dev_err(&pdev->dev, "failed to init from fsl,tempmon-data\n"); + dev_err(dev, "failed to init from fsl,tempmon-data\n"); return ret; } } @@ -673,15 +665,12 @@ static int imx_thermal_probe(struct platform_device *pdev) ret = imx_thermal_register_legacy_cooling(data); if (ret) - return dev_err_probe(&pdev->dev, ret, + return dev_err_probe(dev, ret, "failed to register cpufreq cooling device\n"); - data->thermal_clk = devm_clk_get(&pdev->dev, NULL); + data->thermal_clk = devm_clk_get(dev, NULL); if (IS_ERR(data->thermal_clk)) { - ret = PTR_ERR(data->thermal_clk); - if (ret != -EPROBE_DEFER) - dev_err(&pdev->dev, - "failed to get thermal clk: %d\n", ret); + ret = dev_err_probe(dev, PTR_ERR(data->thermal_clk), "failed to get thermal clk\n"); goto legacy_cleanup; } @@ -694,7 +683,7 @@ static int imx_thermal_probe(struct platform_device *pdev) */ ret = clk_prepare_enable(data->thermal_clk); if (ret) { - dev_err(&pdev->dev, "failed to enable thermal clk: %d\n", ret); + dev_err(dev, "failed to enable thermal clk: %d\n", ret); goto legacy_cleanup; } @@ -707,12 +696,12 @@ static int imx_thermal_probe(struct platform_device *pdev) IMX_POLLING_DELAY); if (IS_ERR(data->tz)) { ret = PTR_ERR(data->tz); - dev_err(&pdev->dev, - "failed to register thermal zone device %d\n", ret); + dev_err(dev, "failed to register thermal zone device %d\n", + ret); goto clk_disable; } - dev_info(&pdev->dev, "%s CPU temperature grade - max:%dC" + dev_info(dev, "%s CPU temperature grade - max:%dC" " critical:%dC passive:%dC\n", data->temp_grade, data->temp_max / 1000, trips[IMX_TRIP_CRITICAL].temperature / 1000, trips[IMX_TRIP_PASSIVE].temperature / 1000); @@ -736,7 +725,7 @@ static int imx_thermal_probe(struct platform_device *pdev) usleep_range(20, 50); /* the core was configured and enabled just before */ - pm_runtime_set_active(&pdev->dev); + pm_runtime_set_active(dev); pm_runtime_enable(data->dev); ret = pm_runtime_resume_and_get(data->dev); @@ -748,11 +737,11 @@ static int imx_thermal_probe(struct platform_device *pdev) if (ret) goto thermal_zone_unregister; - ret = devm_request_threaded_irq(&pdev->dev, data->irq, + ret = devm_request_threaded_irq(dev, data->irq, imx_thermal_alarm_irq, imx_thermal_alarm_irq_thread, 0, "imx_thermal", data); if (ret < 0) { - dev_err(&pdev->dev, "failed to request alarm irq: %d\n", ret); + dev_err(dev, "failed to request alarm irq: %d\n", ret); goto thermal_zone_unregister; } diff --git a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c index fa96972266e4..b0c0f0ffdcb0 100644 --- a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c +++ b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c @@ -571,7 +571,7 @@ static int int3400_thermal_probe(struct platform_device *pdev) if (!adev) return -ENODEV; - priv = kzalloc(sizeof(struct int3400_thermal_priv), GFP_KERNEL); + priv = kzalloc(sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; diff --git a/drivers/thermal/intel/int340x_thermal/int3403_thermal.c b/drivers/thermal/intel/int340x_thermal/int3403_thermal.c index 86901f9f54d8..c094a422ded3 100644 --- a/drivers/thermal/intel/int340x_thermal/int3403_thermal.c +++ b/drivers/thermal/intel/int340x_thermal/int3403_thermal.c @@ -25,17 +25,6 @@ struct int3403_sensor { struct int34x_thermal_zone *int340x_zone; }; -struct int3403_performance_state { - u64 performance; - u64 power; - u64 latency; - u64 linear; - u64 control; - u64 raw_performace; - char *raw_unit; - int reserved; -}; - struct int3403_cdev { struct thermal_cooling_device *cdev; unsigned long max_state; diff --git a/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c b/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c index 400fde7cb3b1..31ed338eb83c 100644 --- a/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c +++ b/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c @@ -39,13 +39,14 @@ static int int340x_thermal_get_zone_temp(struct thermal_zone_device *zone, } static int int340x_thermal_set_trip_temp(struct thermal_zone_device *zone, - int trip, int temp) + const struct thermal_trip *trip, int temp) { struct int34x_thermal_zone *d = thermal_zone_device_priv(zone); - char name[] = {'P', 'A', 'T', '0' + trip, '\0'}; + unsigned int trip_index = THERMAL_TRIP_PRIV_TO_INT(trip->priv); + char name[] = {'P', 'A', 'T', '0' + trip_index, '\0'}; acpi_status status; - if (trip > 9) + if (trip_index > 9) return -EINVAL; status = acpi_execute_simple_method(d->adev->handle, name, @@ -62,16 +63,6 @@ static void int340x_thermal_critical(struct thermal_zone_device *zone) thermal_zone_device_type(zone)); } -static inline void *int_to_trip_priv(int i) -{ - return (void *)(long)i; -} - -static inline int trip_priv_to_int(const struct thermal_trip *trip) -{ - return (long)trip->priv; -} - static int int340x_thermal_read_trips(struct acpi_device *zone_adev, struct thermal_trip *zone_trips, int trip_cnt) @@ -106,7 +97,7 @@ static int int340x_thermal_read_trips(struct acpi_device *zone_adev, break; zone_trips[trip_cnt].type = THERMAL_TRIP_ACTIVE; - zone_trips[trip_cnt].priv = int_to_trip_priv(i); + zone_trips[trip_cnt].priv = THERMAL_INT_TO_TRIP_PRIV(i); trip_cnt++; } @@ -154,6 +145,7 @@ struct int34x_thermal_zone *int340x_thermal_zone_add(struct acpi_device *adev, zone_trips[i].type = THERMAL_TRIP_PASSIVE; zone_trips[i].temperature = THERMAL_TEMP_INVALID; zone_trips[i].flags |= THERMAL_TRIP_FLAG_RW_TEMP; + zone_trips[i].priv = THERMAL_INT_TO_TRIP_PRIV(i); } trip_cnt = int340x_thermal_read_trips(adev, zone_trips, trip_cnt); @@ -224,7 +216,7 @@ static int int340x_update_one_trip(struct thermal_trip *trip, void *arg) break; case THERMAL_TRIP_ACTIVE: err = thermal_acpi_active_trip_temp(zone_adev, - trip_priv_to_int(trip), + THERMAL_TRIP_PRIV_TO_INT(trip->priv), &temp); break; default: diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c index d75fae7b7ed2..7c46dd6bee73 100644 --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c @@ -440,7 +440,8 @@ void proc_thermal_mmio_remove(struct pci_dev *pdev, struct proc_thermal_device * proc_thermal_rapl_remove(); if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_FIVR || - proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_DVFS) + proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_DVFS || + proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_DLVR) proc_thermal_rfim_remove(pdev); if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_POWER_FLOOR) diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h index 674f3c85dfbc..d5eca6db2c00 100644 --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h @@ -65,6 +65,7 @@ struct rapl_mmio_regs { #define PROC_THERMAL_FEATURE_DLVR 0x10 #define PROC_THERMAL_FEATURE_WT_HINT 0x20 #define PROC_THERMAL_FEATURE_POWER_FLOOR 0x40 +#define PROC_THERMAL_FEATURE_MSI_SUPPORT 0x80 #if IS_ENABLED(CONFIG_PROC_THERMAL_MMIO_RAPL) int proc_thermal_rapl_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv); diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c index 4a1bfebb1b8e..114136893a59 100644 --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c @@ -63,6 +63,18 @@ static struct proc_thermal_mmio_info proc_thermal_mmio_info[] = { { PROC_THERMAL_MMIO_INT_STATUS_1, 0x7200, 8, 0x01 }, }; +/* List of supported MSI IDs (sources) */ +enum proc_thermal_msi_ids { + PKG_THERMAL, + DDR_THERMAL, + THERM_POWER_FLOOR, + WORKLOAD_CHANGE, + MSI_THERMAL_MAX +}; + +/* Stores IRQ associated with a MSI ID */ +static int proc_thermal_msi_map[MSI_THERMAL_MAX]; + #define B0D4_THERMAL_NOTIFY_DELAY 1000 static int notify_delay_ms = B0D4_THERMAL_NOTIFY_DELAY; @@ -146,22 +158,41 @@ static irqreturn_t proc_thermal_irq_thread_handler(int irq, void *devid) return IRQ_HANDLED; } +static int proc_thermal_match_msi_irq(int irq) +{ + int i; + + if (!use_msi) + goto msi_fail; + + for (i = 0; i < MSI_THERMAL_MAX; i++) { + if (proc_thermal_msi_map[i] == irq) + return i; + } + +msi_fail: + return -EOPNOTSUPP; +} + static irqreturn_t proc_thermal_irq_handler(int irq, void *devid) { struct proc_thermal_pci *pci_info = devid; struct proc_thermal_device *proc_priv; - int ret = IRQ_NONE; + int ret = IRQ_NONE, msi_id; u32 status; proc_priv = pci_info->proc_priv; + msi_id = proc_thermal_match_msi_irq(irq); + if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_WT_HINT) { - if (proc_thermal_check_wt_intr(pci_info->proc_priv)) + if (msi_id == WORKLOAD_CHANGE || proc_thermal_check_wt_intr(pci_info->proc_priv)) ret = IRQ_WAKE_THREAD; } if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_POWER_FLOOR) { - if (proc_thermal_check_power_floor_intr(pci_info->proc_priv)) + if (msi_id == THERM_POWER_FLOOR || + proc_thermal_check_power_floor_intr(pci_info->proc_priv)) ret = IRQ_WAKE_THREAD; } @@ -171,7 +202,7 @@ static irqreturn_t proc_thermal_irq_handler(int irq, void *devid) * interrupt before scheduling work function for thermal threshold. */ proc_thermal_mmio_read(pci_info, PROC_THERMAL_MMIO_INT_STATUS_0, &status); - if (status) { + if (msi_id == PKG_THERMAL || status) { /* Disable enable interrupt flag */ proc_thermal_mmio_write(pci_info, PROC_THERMAL_MMIO_INT_ENABLE_0, 0); pkg_thermal_schedule_work(&pci_info->work); @@ -194,7 +225,8 @@ static int sys_get_curr_temp(struct thermal_zone_device *tzd, int *temp) return 0; } -static int sys_set_trip_temp(struct thermal_zone_device *tzd, int trip, int temp) +static int sys_set_trip_temp(struct thermal_zone_device *tzd, + const struct thermal_trip *trip, int temp) { struct proc_thermal_pci *pci_info = thermal_zone_device_priv(tzd); int tjmax, _temp; @@ -244,6 +276,45 @@ static struct thermal_zone_params tzone_params = { .no_hwmon = true, }; +static bool msi_irq; + +static int proc_thermal_setup_msi(struct pci_dev *pdev, struct proc_thermal_pci *pci_info) +{ + int ret, i, irq; + + ret = pci_alloc_irq_vectors(pdev, 1, MSI_THERMAL_MAX, PCI_IRQ_MSI | PCI_IRQ_MSIX); + if (ret < 0) { + dev_err(&pdev->dev, "Failed to allocate vectors!\n"); + return ret; + } + + dev_info(&pdev->dev, "msi enabled:%d msix enabled:%d\n", pdev->msi_enabled, + pdev->msix_enabled); + + for (i = 0; i < MSI_THERMAL_MAX; i++) { + irq = pci_irq_vector(pdev, i); + + ret = devm_request_threaded_irq(&pdev->dev, irq, proc_thermal_irq_handler, + proc_thermal_irq_thread_handler, + 0, KBUILD_MODNAME, pci_info); + if (ret) { + dev_err(&pdev->dev, "Request IRQ %d failed\n", irq); + goto err_free_msi_vectors; + } + + proc_thermal_msi_map[i] = irq; + } + + msi_irq = true; + + return 0; + +err_free_msi_vectors: + pci_free_irq_vectors(pdev); + + return ret; +} + static int proc_thermal_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) { struct proc_thermal_device *proc_priv; @@ -253,7 +324,6 @@ static int proc_thermal_pci_probe(struct pci_dev *pdev, const struct pci_device_ .flags = THERMAL_TRIP_FLAG_RW_TEMP, }; int irq_flag = 0, irq, ret; - bool msi_irq = false; proc_priv = devm_kzalloc(&pdev->dev, sizeof(*proc_priv), GFP_KERNEL); if (!proc_priv) @@ -299,27 +369,24 @@ static int proc_thermal_pci_probe(struct pci_dev *pdev, const struct pci_device_ goto err_del_legacy; } - if (use_msi && (pdev->msi_enabled || pdev->msix_enabled)) { - /* request and enable interrupt */ - ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES); - if (ret < 0) { - dev_err(&pdev->dev, "Failed to allocate vectors!\n"); - goto err_ret_tzone; - } + if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_MSI_SUPPORT) + use_msi = true; - irq = pci_irq_vector(pdev, 0); - msi_irq = true; + if (use_msi) { + ret = proc_thermal_setup_msi(pdev, pci_info); + if (ret) + goto err_ret_tzone; } else { irq_flag = IRQF_SHARED; irq = pdev->irq; - } - ret = devm_request_threaded_irq(&pdev->dev, irq, - proc_thermal_irq_handler, proc_thermal_irq_thread_handler, - irq_flag, KBUILD_MODNAME, pci_info); - if (ret) { - dev_err(&pdev->dev, "Request IRQ %d failed\n", pdev->irq); - goto err_free_vectors; + ret = devm_request_threaded_irq(&pdev->dev, irq, proc_thermal_irq_handler, + proc_thermal_irq_thread_handler, irq_flag, + KBUILD_MODNAME, pci_info); + if (ret) { + dev_err(&pdev->dev, "Request IRQ %d failed\n", pdev->irq); + goto err_ret_tzone; + } } ret = thermal_zone_device_enable(pci_info->tzone); @@ -352,9 +419,6 @@ static void proc_thermal_pci_remove(struct pci_dev *pdev) proc_thermal_mmio_write(pci_info, PROC_THERMAL_MMIO_THRES_0, 0); proc_thermal_mmio_write(pci_info, PROC_THERMAL_MMIO_INT_ENABLE_0, 0); - devm_free_irq(&pdev->dev, pdev->irq, pci_info); - pci_free_irq_vectors(pdev); - thermal_zone_device_unregister(pci_info->tzone); proc_thermal_mmio_remove(pdev, pci_info->proc_priv); if (!pci_info->no_legacy) @@ -408,7 +472,9 @@ static SIMPLE_DEV_PM_OPS(proc_thermal_pci_pm, proc_thermal_pci_suspend, static const struct pci_device_id proc_thermal_pci_ids[] = { { PCI_DEVICE_DATA(INTEL, ADL_THERMAL, PROC_THERMAL_FEATURE_RAPL | PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_DVFS | PROC_THERMAL_FEATURE_WT_REQ) }, - { PCI_DEVICE_DATA(INTEL, LNLM_THERMAL, PROC_THERMAL_FEATURE_RAPL) }, + { PCI_DEVICE_DATA(INTEL, LNLM_THERMAL, PROC_THERMAL_FEATURE_MSI_SUPPORT | + PROC_THERMAL_FEATURE_RAPL | PROC_THERMAL_FEATURE_DLVR | + PROC_THERMAL_FEATURE_WT_HINT | PROC_THERMAL_FEATURE_POWER_FLOOR) }, { PCI_DEVICE_DATA(INTEL, MTLP_THERMAL, PROC_THERMAL_FEATURE_RAPL | PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_DVFS | PROC_THERMAL_FEATURE_DLVR | PROC_THERMAL_FEATURE_WT_HINT | PROC_THERMAL_FEATURE_POWER_FLOOR) }, diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_rfim.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_rfim.c index e56db75a94fb..0e2dc1426282 100644 --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_rfim.c +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_rfim.c @@ -19,6 +19,12 @@ struct mmio_reg { u16 shift; }; +struct mapping_table { + const char *attr_name; + const u32 value; + const char *mapped_str; +}; + /* These will represent sysfs attribute names */ static const char * const fivr_strings[] = { "vco_ref_code_lo", @@ -62,6 +68,78 @@ static const struct mmio_reg dlvr_mmio_regs[] = { { 1, 0x15A10, 1, 0x1, 16}, /* dlvr_pll_busy */ }; +static const struct mmio_reg lnl_dlvr_mmio_regs[] = { + { 0, 0x5A08, 5, 0x1F, 0}, /* dlvr_spread_spectrum_pct */ + { 0, 0x5A08, 1, 0x1, 5}, /* dlvr_control_mode */ + { 0, 0x5A08, 1, 0x1, 6}, /* dlvr_control_lock */ + { 0, 0x5A08, 1, 0x1, 7}, /* dlvr_rfim_enable */ + { 0, 0x5A08, 2, 0x3, 8}, /* dlvr_freq_select */ + { 1, 0x5A10, 2, 0x3, 30}, /* dlvr_hardware_rev */ + { 1, 0x5A10, 2, 0x3, 0}, /* dlvr_freq_mhz */ + { 1, 0x5A10, 1, 0x1, 23}, /* dlvr_pll_busy */ +}; + +static const struct mapping_table lnl_dlvr_mapping[] = { + {"dlvr_freq_select", 0, "2227.2"}, + {"dlvr_freq_select", 1, "2140"}, + {"dlvr_freq_mhz", 0, "2227.2"}, + {"dlvr_freq_mhz", 1, "2140"}, + {NULL, 0, NULL}, +}; + +static int match_mapping_table(const struct mapping_table *table, const char *attr_name, + bool match_int_value, const u32 value, const char *value_str, + char **result_str, u32 *result_int) +{ + bool attr_matched = false; + int i = 0; + + if (!table) + return -EOPNOTSUPP; + + while (table[i].attr_name) { + if (strncmp(table[i].attr_name, attr_name, strlen(attr_name))) + goto match_next; + + attr_matched = true; + + if (match_int_value) { + if (table[i].value != value) + goto match_next; + + *result_str = (char *)table[i].mapped_str; + return 0; + } + + if (strncmp(table[i].mapped_str, value_str, strlen(table[i].mapped_str))) + goto match_next; + + *result_int = table[i].value; + + return 0; +match_next: + i++; + } + + /* If attribute name is matched, then the user space value is invalid */ + if (attr_matched) + return -EINVAL; + + return -EOPNOTSUPP; +} + +static int get_mapped_string(const struct mapping_table *table, const char *attr_name, + u32 value, char **result) +{ + return match_mapping_table(table, attr_name, true, value, NULL, result, NULL); +} + +static int get_mapped_value(const struct mapping_table *table, const char *attr_name, + const char *value, unsigned int *result) +{ + return match_mapping_table(table, attr_name, false, 0, value, NULL, result); +} + /* These will represent sysfs attribute names */ static const char * const dvfs_strings[] = { "rfi_restriction_run_busy", @@ -93,12 +171,14 @@ static ssize_t suffix##_show(struct device *dev,\ struct device_attribute *attr,\ char *buf)\ {\ + const struct mapping_table *mapping = NULL;\ struct proc_thermal_device *proc_priv;\ struct pci_dev *pdev = to_pci_dev(dev);\ const struct mmio_reg *mmio_regs;\ const char **match_strs;\ + int ret, err;\ u32 reg_val;\ - int ret;\ + char *str;\ \ proc_priv = pci_get_drvdata(pdev);\ if (table == 1) {\ @@ -106,7 +186,12 @@ static ssize_t suffix##_show(struct device *dev,\ mmio_regs = adl_dvfs_mmio_regs;\ } else if (table == 2) { \ match_strs = (const char **)dlvr_strings;\ - mmio_regs = dlvr_mmio_regs;\ + if (pdev->device == PCI_DEVICE_ID_INTEL_LNLM_THERMAL) {\ + mmio_regs = lnl_dlvr_mmio_regs;\ + mapping = lnl_dlvr_mapping;\ + } else {\ + mmio_regs = dlvr_mmio_regs;\ + } \ } else {\ match_strs = (const char **)fivr_strings;\ mmio_regs = tgl_fivr_mmio_regs;\ @@ -116,7 +201,12 @@ static ssize_t suffix##_show(struct device *dev,\ return ret;\ reg_val = readl((void __iomem *) (proc_priv->mmio_base + mmio_regs[ret].offset));\ ret = (reg_val >> mmio_regs[ret].shift) & mmio_regs[ret].mask;\ - return sprintf(buf, "%u\n", ret);\ + err = get_mapped_string(mapping, attr->attr.name, ret, &str);\ + if (!err)\ + return sprintf(buf, "%s\n", str);\ + if (err == -EOPNOTSUPP)\ + return sprintf(buf, "%u\n", ret);\ + return err;\ } #define RFIM_STORE(suffix, table)\ @@ -124,6 +214,7 @@ static ssize_t suffix##_store(struct device *dev,\ struct device_attribute *attr,\ const char *buf, size_t count)\ {\ + const struct mapping_table *mapping = NULL;\ struct proc_thermal_device *proc_priv;\ struct pci_dev *pdev = to_pci_dev(dev);\ unsigned int input;\ @@ -139,7 +230,12 @@ static ssize_t suffix##_store(struct device *dev,\ mmio_regs = adl_dvfs_mmio_regs;\ } else if (table == 2) { \ match_strs = (const char **)dlvr_strings;\ - mmio_regs = dlvr_mmio_regs;\ + if (pdev->device == PCI_DEVICE_ID_INTEL_LNLM_THERMAL) {\ + mmio_regs = lnl_dlvr_mmio_regs;\ + mapping = lnl_dlvr_mapping;\ + } else {\ + mmio_regs = dlvr_mmio_regs;\ + } \ } else {\ match_strs = (const char **)fivr_strings;\ mmio_regs = tgl_fivr_mmio_regs;\ @@ -150,9 +246,14 @@ static ssize_t suffix##_store(struct device *dev,\ return ret;\ if (mmio_regs[ret].read_only)\ return -EPERM;\ - err = kstrtouint(buf, 10, &input);\ - if (err)\ + err = get_mapped_value(mapping, attr->attr.name, buf, &input);\ + if (err == -EINVAL)\ return err;\ + if (err == -EOPNOTSUPP) {\ + err = kstrtouint(buf, 10, &input);\ + if (err)\ + return err;\ + } \ mask = GENMASK(mmio_regs[ret].shift + mmio_regs[ret].bits - 1, mmio_regs[ret].shift);\ reg_val = readl((void __iomem *) (proc_priv->mmio_base + mmio_regs[ret].offset));\ reg_val &= ~mask;\ diff --git a/drivers/thermal/intel/intel_hfi.c b/drivers/thermal/intel/intel_hfi.c index a180a98bb9f1..5b18a46a10b0 100644 --- a/drivers/thermal/intel/intel_hfi.c +++ b/drivers/thermal/intel/intel_hfi.c @@ -401,10 +401,10 @@ static void hfi_disable(void) * intel_hfi_online() - Enable HFI on @cpu * @cpu: CPU in which the HFI will be enabled * - * Enable the HFI to be used in @cpu. The HFI is enabled at the die/package - * level. The first CPU in the die/package to come online does the full HFI + * Enable the HFI to be used in @cpu. The HFI is enabled at the package + * level. The first CPU in the package to come online does the full HFI * initialization. Subsequent CPUs will just link themselves to the HFI - * instance of their die/package. + * instance of their package. * * This function is called before enabling the thermal vector in the local APIC * in order to ensure that @cpu has an associated HFI instance when it receives @@ -414,31 +414,31 @@ void intel_hfi_online(unsigned int cpu) { struct hfi_instance *hfi_instance; struct hfi_cpu_info *info; - u16 die_id; + u16 pkg_id; /* Nothing to do if hfi_instances are missing. */ if (!hfi_instances) return; /* - * Link @cpu to the HFI instance of its package/die. It does not + * Link @cpu to the HFI instance of its package. It does not * matter whether the instance has been initialized. */ info = &per_cpu(hfi_cpu_info, cpu); - die_id = topology_logical_die_id(cpu); + pkg_id = topology_logical_package_id(cpu); hfi_instance = info->hfi_instance; if (!hfi_instance) { - if (die_id >= max_hfi_instances) + if (pkg_id >= max_hfi_instances) return; - hfi_instance = &hfi_instances[die_id]; + hfi_instance = &hfi_instances[pkg_id]; info->hfi_instance = hfi_instance; } init_hfi_cpu_index(info); /* - * Now check if the HFI instance of the package/die of @cpu has been + * Now check if the HFI instance of the package of @cpu has been * initialized (by checking its header). In such case, all we have to * do is to add @cpu to this instance's cpumask and enable the instance * if needed. @@ -504,7 +504,7 @@ free_hw_table: * * On some processors, hardware remembers previous programming settings even * after being reprogrammed. Thus, keep HFI enabled even if all CPUs in the - * die/package of @cpu are offline. See note in intel_hfi_online(). + * package of @cpu are offline. See note in intel_hfi_online(). */ void intel_hfi_offline(unsigned int cpu) { @@ -674,9 +674,13 @@ void __init intel_hfi_init(void) if (hfi_parse_features()) return; - /* There is one HFI instance per die/package. */ - max_hfi_instances = topology_max_packages() * - topology_max_dies_per_package(); + /* + * Note: HFI resources are managed at the physical package scope. + * There could be platforms that enumerate packages as Linux dies. + * Special handling would be needed if this happens on an HFI-capable + * platform. + */ + max_hfi_instances = topology_max_packages(); /* * This allocation may fail. CPU hotplug callbacks must check diff --git a/drivers/thermal/intel/intel_pch_thermal.c b/drivers/thermal/intel/intel_pch_thermal.c index f5be2c389351..fc326985796c 100644 --- a/drivers/thermal/intel/intel_pch_thermal.c +++ b/drivers/thermal/intel/intel_pch_thermal.c @@ -298,6 +298,11 @@ static int intel_pch_thermal_suspend_noirq(struct device *device) /* Get the PCH current temperature value */ pch_cur_temp = GET_PCH_TEMP(WPT_TEMP_TSR & readw(ptd->hw_base + WPT_TEMP)); + if (pch_cur_temp >= pch_thr_temp) + dev_warn(&ptd->pdev->dev, + "CPU-PCH current temp [%dC] higher than the threshold temp [%dC], S0ix might fail. Start cooling...\n", + pch_cur_temp, pch_thr_temp); + /* * If current PCH temperature is higher than configured PCH threshold * value, run some delay loop with sleep to let the current temperature diff --git a/drivers/thermal/intel/intel_quark_dts_thermal.c b/drivers/thermal/intel/intel_quark_dts_thermal.c index ec6ad26027bc..47296a14db3c 100644 --- a/drivers/thermal/intel/intel_quark_dts_thermal.c +++ b/drivers/thermal/intel/intel_quark_dts_thermal.c @@ -195,7 +195,7 @@ static int get_trip_temp(int trip) } static int update_trip_temp(struct soc_sensor_entry *aux_entry, - int trip, int temp) + int trip_index, int temp) { u32 out; u32 temp_out; @@ -230,9 +230,9 @@ static int update_trip_temp(struct soc_sensor_entry *aux_entry, */ temp_out = temp + QRK_DTS_TEMP_BASE; out = (store_ptps & ~(QRK_DTS_MASK_TP_THRES << - (trip * QRK_DTS_SHIFT_TP))); + (trip_index * QRK_DTS_SHIFT_TP))); out |= (temp_out & QRK_DTS_MASK_TP_THRES) << - (trip * QRK_DTS_SHIFT_TP); + (trip_index * QRK_DTS_SHIFT_TP); ret = iosf_mbi_write(QRK_MBI_UNIT_RMU, MBI_REG_WRITE, QRK_DTS_REG_OFFSET_PTPS, out); @@ -242,10 +242,26 @@ failed: return ret; } -static inline int sys_set_trip_temp(struct thermal_zone_device *tzd, int trip, - int temp) +static inline int sys_set_trip_temp(struct thermal_zone_device *tzd, + const struct thermal_trip *trip, + int temp) { - return update_trip_temp(thermal_zone_device_priv(tzd), trip, temp); + unsigned int trip_index; + + switch (trip->type) { + case THERMAL_TRIP_HOT: + trip_index = QRK_DTS_ID_TP_HOT; + break; + + case THERMAL_TRIP_CRITICAL: + trip_index = QRK_DTS_ID_TP_CRITICAL; + break; + + default: + return -EINVAL; + } + + return update_trip_temp(thermal_zone_device_priv(tzd), trip_index, temp); } static int sys_get_curr_temp(struct thermal_zone_device *tzd, diff --git a/drivers/thermal/intel/intel_soc_dts_iosf.c b/drivers/thermal/intel/intel_soc_dts_iosf.c index 7adf942665d4..43a29551ba17 100644 --- a/drivers/thermal/intel/intel_soc_dts_iosf.c +++ b/drivers/thermal/intel/intel_soc_dts_iosf.c @@ -129,18 +129,20 @@ err_restore_ptps: return status; } -static int sys_set_trip_temp(struct thermal_zone_device *tzd, int trip, +static int sys_set_trip_temp(struct thermal_zone_device *tzd, + const struct thermal_trip *trip, int temp) { struct intel_soc_dts_sensor_entry *dts = thermal_zone_device_priv(tzd); struct intel_soc_dts_sensors *sensors = dts->sensors; + unsigned int trip_index = THERMAL_TRIP_PRIV_TO_INT(trip->priv); int status; if (temp > sensors->tj_max) return -EINVAL; mutex_lock(&sensors->dts_update_lock); - status = update_trip_temp(sensors, trip, temp); + status = update_trip_temp(sensors, trip_index, temp); mutex_unlock(&sensors->dts_update_lock); return status; @@ -293,11 +295,12 @@ static void dts_trips_reset(struct intel_soc_dts_sensors *sensors, int dts_index } static void set_trip(struct thermal_trip *trip, enum thermal_trip_type type, - u8 flags, int temp) + u8 flags, int temp, unsigned int index) { trip->type = type; trip->flags = flags; trip->temperature = temp; + trip->priv = THERMAL_INT_TO_TRIP_PRIV(index); } struct intel_soc_dts_sensors * @@ -332,7 +335,7 @@ intel_soc_dts_iosf_init(enum intel_soc_dts_interrupt_type intr_type, sensors->soc_dts[i].sensors = sensors; set_trip(&trips[i][0], THERMAL_TRIP_PASSIVE, - THERMAL_TRIP_FLAG_RW_TEMP, 0); + THERMAL_TRIP_FLAG_RW_TEMP, 0, 0); ret = update_trip_temp(sensors, 0, 0); if (ret) @@ -340,10 +343,10 @@ intel_soc_dts_iosf_init(enum intel_soc_dts_interrupt_type intr_type, if (critical_trip) { temp = sensors->tj_max - crit_offset; - set_trip(&trips[i][1], THERMAL_TRIP_CRITICAL, 0, temp); + set_trip(&trips[i][1], THERMAL_TRIP_CRITICAL, 0, temp, 1); } else { set_trip(&trips[i][1], THERMAL_TRIP_PASSIVE, - THERMAL_TRIP_FLAG_RW_TEMP, 0); + THERMAL_TRIP_FLAG_RW_TEMP, 0, 1); temp = 0; } diff --git a/drivers/thermal/intel/intel_soc_dts_thermal.c b/drivers/thermal/intel/intel_soc_dts_thermal.c index 9c825c6e1f38..718c6326eaf4 100644 --- a/drivers/thermal/intel/intel_soc_dts_thermal.c +++ b/drivers/thermal/intel/intel_soc_dts_thermal.c @@ -36,7 +36,7 @@ static irqreturn_t soc_irq_thread_fn(int irq, void *dev_data) } static const struct x86_cpu_id soc_thermal_ids[] = { - X86_MATCH_INTEL_FAM6_MODEL(ATOM_SILVERMONT, BYT_SOC_DTS_APIC_IRQ), + X86_MATCH_VFM(INTEL_ATOM_SILVERMONT, BYT_SOC_DTS_APIC_IRQ), {} }; MODULE_DEVICE_TABLE(x86cpu, soc_thermal_ids); diff --git a/drivers/thermal/intel/intel_tcc.c b/drivers/thermal/intel/intel_tcc.c index 5e8b7f34b395..c86654f28aa5 100644 --- a/drivers/thermal/intel/intel_tcc.c +++ b/drivers/thermal/intel/intel_tcc.c @@ -6,9 +6,171 @@ #include <linux/errno.h> #include <linux/intel_tcc.h> +#include <asm/cpu_device_id.h> +#include <asm/intel-family.h> #include <asm/msr.h> /** + * struct temp_masks - Bitmasks for temperature readings + * @tcc_offset: TCC offset in MSR_TEMPERATURE_TARGET + * @digital_readout: Digital readout in MSR_IA32_THERM_STATUS + * @pkg_digital_readout: Digital readout in MSR_IA32_PACKAGE_THERM_STATUS + * + * Bitmasks to extract the fields of the MSR_TEMPERATURE and IA32_[PACKAGE]_ + * THERM_STATUS registers for different processor models. + * + * The bitmask of TjMax is not included in this structure. It is always 0xff. + */ +struct temp_masks { + u32 tcc_offset; + u32 digital_readout; + u32 pkg_digital_readout; +}; + +#define TCC_MODEL_TEMP_MASKS(model, _tcc_offset, _digital_readout, \ + _pkg_digital_readout) \ + static const struct temp_masks temp_##model __initconst = { \ + .tcc_offset = _tcc_offset, \ + .digital_readout = _digital_readout, \ + .pkg_digital_readout = _pkg_digital_readout \ + } + +TCC_MODEL_TEMP_MASKS(nehalem, 0, 0x7f, 0x7f); +TCC_MODEL_TEMP_MASKS(haswell_x, 0xf, 0x7f, 0x7f); +TCC_MODEL_TEMP_MASKS(broadwell, 0x3f, 0x7f, 0x7f); +TCC_MODEL_TEMP_MASKS(goldmont, 0x7f, 0x7f, 0x7f); +TCC_MODEL_TEMP_MASKS(tigerlake, 0x3f, 0xff, 0xff); +TCC_MODEL_TEMP_MASKS(sapphirerapids, 0x3f, 0x7f, 0xff); + +/* Use these masks for processors not included in @tcc_cpu_ids. */ +static struct temp_masks intel_tcc_temp_masks __ro_after_init = { + .tcc_offset = 0x7f, + .digital_readout = 0xff, + .pkg_digital_readout = 0xff, +}; + +static const struct x86_cpu_id intel_tcc_cpu_ids[] __initconst = { + X86_MATCH_VFM(INTEL_CORE_YONAH, &temp_nehalem), + X86_MATCH_VFM(INTEL_CORE2_MEROM, &temp_nehalem), + X86_MATCH_VFM(INTEL_CORE2_MEROM_L, &temp_nehalem), + X86_MATCH_VFM(INTEL_CORE2_PENRYN, &temp_nehalem), + X86_MATCH_VFM(INTEL_CORE2_DUNNINGTON, &temp_nehalem), + X86_MATCH_VFM(INTEL_NEHALEM, &temp_nehalem), + X86_MATCH_VFM(INTEL_NEHALEM_G, &temp_nehalem), + X86_MATCH_VFM(INTEL_NEHALEM_EP, &temp_nehalem), + X86_MATCH_VFM(INTEL_NEHALEM_EX, &temp_nehalem), + X86_MATCH_VFM(INTEL_WESTMERE, &temp_nehalem), + X86_MATCH_VFM(INTEL_WESTMERE_EP, &temp_nehalem), + X86_MATCH_VFM(INTEL_WESTMERE_EX, &temp_nehalem), + X86_MATCH_VFM(INTEL_SANDYBRIDGE, &temp_nehalem), + X86_MATCH_VFM(INTEL_SANDYBRIDGE_X, &temp_nehalem), + X86_MATCH_VFM(INTEL_IVYBRIDGE, &temp_nehalem), + X86_MATCH_VFM(INTEL_IVYBRIDGE_X, &temp_haswell_x), + X86_MATCH_VFM(INTEL_HASWELL, &temp_nehalem), + X86_MATCH_VFM(INTEL_HASWELL_X, &temp_haswell_x), + X86_MATCH_VFM(INTEL_HASWELL_L, &temp_nehalem), + X86_MATCH_VFM(INTEL_HASWELL_G, &temp_nehalem), + X86_MATCH_VFM(INTEL_BROADWELL, &temp_broadwell), + X86_MATCH_VFM(INTEL_BROADWELL_G, &temp_broadwell), + X86_MATCH_VFM(INTEL_BROADWELL_X, &temp_haswell_x), + X86_MATCH_VFM(INTEL_BROADWELL_D, &temp_haswell_x), + X86_MATCH_VFM(INTEL_SKYLAKE_L, &temp_broadwell), + X86_MATCH_VFM(INTEL_SKYLAKE, &temp_broadwell), + X86_MATCH_VFM(INTEL_SKYLAKE_X, &temp_haswell_x), + X86_MATCH_VFM(INTEL_KABYLAKE_L, &temp_broadwell), + X86_MATCH_VFM(INTEL_KABYLAKE, &temp_broadwell), + X86_MATCH_VFM(INTEL_COMETLAKE, &temp_broadwell), + X86_MATCH_VFM(INTEL_COMETLAKE_L, &temp_broadwell), + X86_MATCH_VFM(INTEL_CANNONLAKE_L, &temp_broadwell), + X86_MATCH_VFM(INTEL_ICELAKE_X, &temp_broadwell), + X86_MATCH_VFM(INTEL_ICELAKE_D, &temp_broadwell), + X86_MATCH_VFM(INTEL_ICELAKE, &temp_broadwell), + X86_MATCH_VFM(INTEL_ICELAKE_L, &temp_broadwell), + X86_MATCH_VFM(INTEL_ICELAKE_NNPI, &temp_broadwell), + X86_MATCH_VFM(INTEL_ROCKETLAKE, &temp_broadwell), + X86_MATCH_VFM(INTEL_TIGERLAKE_L, &temp_tigerlake), + X86_MATCH_VFM(INTEL_TIGERLAKE, &temp_tigerlake), + X86_MATCH_VFM(INTEL_SAPPHIRERAPIDS_X, &temp_sapphirerapids), + X86_MATCH_VFM(INTEL_EMERALDRAPIDS_X, &temp_sapphirerapids), + X86_MATCH_VFM(INTEL_LAKEFIELD, &temp_broadwell), + X86_MATCH_VFM(INTEL_ALDERLAKE, &temp_tigerlake), + X86_MATCH_VFM(INTEL_ALDERLAKE_L, &temp_tigerlake), + X86_MATCH_VFM(INTEL_RAPTORLAKE, &temp_tigerlake), + X86_MATCH_VFM(INTEL_RAPTORLAKE_P, &temp_tigerlake), + X86_MATCH_VFM(INTEL_RAPTORLAKE_S, &temp_tigerlake), + X86_MATCH_VFM(INTEL_ATOM_BONNELL, &temp_nehalem), + X86_MATCH_VFM(INTEL_ATOM_BONNELL_MID, &temp_nehalem), + X86_MATCH_VFM(INTEL_ATOM_SALTWELL, &temp_nehalem), + X86_MATCH_VFM(INTEL_ATOM_SALTWELL_MID, &temp_nehalem), + X86_MATCH_VFM(INTEL_ATOM_SILVERMONT, &temp_broadwell), + X86_MATCH_VFM(INTEL_ATOM_SILVERMONT_D, &temp_broadwell), + X86_MATCH_VFM(INTEL_ATOM_SILVERMONT_MID, &temp_broadwell), + X86_MATCH_VFM(INTEL_ATOM_AIRMONT, &temp_broadwell), + X86_MATCH_VFM(INTEL_ATOM_AIRMONT_MID, &temp_broadwell), + X86_MATCH_VFM(INTEL_ATOM_AIRMONT_NP, &temp_broadwell), + X86_MATCH_VFM(INTEL_ATOM_GOLDMONT, &temp_goldmont), + X86_MATCH_VFM(INTEL_ATOM_GOLDMONT_D, &temp_goldmont), + X86_MATCH_VFM(INTEL_ATOM_GOLDMONT_PLUS, &temp_goldmont), + X86_MATCH_VFM(INTEL_ATOM_TREMONT_D, &temp_broadwell), + X86_MATCH_VFM(INTEL_ATOM_TREMONT, &temp_broadwell), + X86_MATCH_VFM(INTEL_ATOM_TREMONT_L, &temp_broadwell), + X86_MATCH_VFM(INTEL_ATOM_GRACEMONT, &temp_tigerlake), + X86_MATCH_VFM(INTEL_XEON_PHI_KNL, &temp_broadwell), + X86_MATCH_VFM(INTEL_XEON_PHI_KNM, &temp_broadwell), + {} +}; + +static int __init intel_tcc_init(void) +{ + const struct x86_cpu_id *id; + + id = x86_match_cpu(intel_tcc_cpu_ids); + if (id) + memcpy(&intel_tcc_temp_masks, (const void *)id->driver_data, + sizeof(intel_tcc_temp_masks)); + + return 0; +} +/* + * Use subsys_initcall to ensure temperature bitmasks are initialized before + * the drivers that use this library. + */ +subsys_initcall(intel_tcc_init); + +/** + * intel_tcc_get_offset_mask() - Returns the bitmask to read TCC offset + * + * Get the model-specific bitmask to extract TCC_OFFSET from the MSR + * TEMPERATURE_TARGET register. If the mask is 0, it means the processor does + * not support TCC offset. + * + * Return: The model-specific bitmask for TCC offset. + */ +u32 intel_tcc_get_offset_mask(void) +{ + return intel_tcc_temp_masks.tcc_offset; +} +EXPORT_SYMBOL_NS(intel_tcc_get_offset_mask, INTEL_TCC); + +/** + * get_temp_mask() - Returns the model-specific bitmask for temperature + * + * @pkg: true: Package Thermal Sensor. false: Core Thermal Sensor. + * + * Get the model-specific bitmask to extract the temperature reading from the + * MSR_IA32_[PACKAGE]_THERM_STATUS register. + * + * Callers must check if the thermal status registers are supported. + * + * Return: The model-specific bitmask for temperature reading + */ +static u32 get_temp_mask(bool pkg) +{ + return pkg ? intel_tcc_temp_masks.pkg_digital_readout : + intel_tcc_temp_masks.digital_readout; +} + +/** * intel_tcc_get_tjmax() - returns the default TCC activation Temperature * @cpu: cpu that the MSR should be run on, nagative value means any cpu. * @@ -56,7 +218,7 @@ int intel_tcc_get_offset(int cpu) if (err) return err; - return (low >> 24) & 0x3f; + return (low >> 24) & intel_tcc_temp_masks.tcc_offset; } EXPORT_SYMBOL_NS_GPL(intel_tcc_get_offset, INTEL_TCC); @@ -76,7 +238,10 @@ int intel_tcc_set_offset(int cpu, int offset) u32 low, high; int err; - if (offset < 0 || offset > 0x3f) + if (!intel_tcc_temp_masks.tcc_offset) + return -ENODEV; + + if (offset < 0 || offset > intel_tcc_temp_masks.tcc_offset) return -EINVAL; if (cpu < 0) @@ -90,7 +255,7 @@ int intel_tcc_set_offset(int cpu, int offset) if (low & BIT(31)) return -EPERM; - low &= ~(0x3f << 24); + low &= ~(intel_tcc_temp_masks.tcc_offset << 24); low |= offset << 24; if (cpu < 0) @@ -113,8 +278,8 @@ EXPORT_SYMBOL_NS_GPL(intel_tcc_set_offset, INTEL_TCC); */ int intel_tcc_get_temp(int cpu, int *temp, bool pkg) { - u32 low, high; u32 msr = pkg ? MSR_IA32_PACKAGE_THERM_STATUS : MSR_IA32_THERM_STATUS; + u32 low, high, mask; int tjmax, err; tjmax = intel_tcc_get_tjmax(cpu); @@ -132,7 +297,9 @@ int intel_tcc_get_temp(int cpu, int *temp, bool pkg) if (!(low & BIT(31))) return -ENODATA; - *temp = tjmax - ((low >> 16) & 0x7f); + mask = get_temp_mask(pkg); + + *temp = tjmax - ((low >> 16) & mask); return 0; } diff --git a/drivers/thermal/intel/intel_tcc_cooling.c b/drivers/thermal/intel/intel_tcc_cooling.c index 6c392147e6d1..17110ffa80bb 100644 --- a/drivers/thermal/intel/intel_tcc_cooling.c +++ b/drivers/thermal/intel/intel_tcc_cooling.c @@ -20,7 +20,7 @@ static struct thermal_cooling_device *tcc_cdev; static int tcc_get_max_state(struct thermal_cooling_device *cdev, unsigned long *state) { - *state = 0x3f; + *state = intel_tcc_get_offset_mask(); return 0; } @@ -49,21 +49,21 @@ static const struct thermal_cooling_device_ops tcc_cooling_ops = { }; static const struct x86_cpu_id tcc_ids[] __initconst = { - X86_MATCH_INTEL_FAM6_MODEL(SKYLAKE, NULL), - X86_MATCH_INTEL_FAM6_MODEL(SKYLAKE_L, NULL), - X86_MATCH_INTEL_FAM6_MODEL(KABYLAKE, NULL), - X86_MATCH_INTEL_FAM6_MODEL(KABYLAKE_L, NULL), - X86_MATCH_INTEL_FAM6_MODEL(ICELAKE, NULL), - X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_L, NULL), - X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE, NULL), - X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE_L, NULL), - X86_MATCH_INTEL_FAM6_MODEL(COMETLAKE, NULL), - X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE, NULL), - X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_L, NULL), - X86_MATCH_INTEL_FAM6_MODEL(ATOM_GRACEMONT, NULL), - X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE, NULL), - X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE_P, NULL), - X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE_S, NULL), + X86_MATCH_VFM(INTEL_SKYLAKE, NULL), + X86_MATCH_VFM(INTEL_SKYLAKE_L, NULL), + X86_MATCH_VFM(INTEL_KABYLAKE, NULL), + X86_MATCH_VFM(INTEL_KABYLAKE_L, NULL), + X86_MATCH_VFM(INTEL_ICELAKE, NULL), + X86_MATCH_VFM(INTEL_ICELAKE_L, NULL), + X86_MATCH_VFM(INTEL_TIGERLAKE, NULL), + X86_MATCH_VFM(INTEL_TIGERLAKE_L, NULL), + X86_MATCH_VFM(INTEL_COMETLAKE, NULL), + X86_MATCH_VFM(INTEL_ALDERLAKE, NULL), + X86_MATCH_VFM(INTEL_ALDERLAKE_L, NULL), + X86_MATCH_VFM(INTEL_ATOM_GRACEMONT, NULL), + X86_MATCH_VFM(INTEL_RAPTORLAKE, NULL), + X86_MATCH_VFM(INTEL_RAPTORLAKE_P, NULL), + X86_MATCH_VFM(INTEL_RAPTORLAKE_S, NULL), {} }; diff --git a/drivers/thermal/intel/x86_pkg_temp_thermal.c b/drivers/thermal/intel/x86_pkg_temp_thermal.c index c0ca8e3ff2e7..65b33b56a9be 100644 --- a/drivers/thermal/intel/x86_pkg_temp_thermal.c +++ b/drivers/thermal/intel/x86_pkg_temp_thermal.c @@ -119,9 +119,11 @@ static int sys_get_curr_temp(struct thermal_zone_device *tzd, int *temp) } static int -sys_set_trip_temp(struct thermal_zone_device *tzd, int trip, int temp) +sys_set_trip_temp(struct thermal_zone_device *tzd, + const struct thermal_trip *trip, int temp) { struct zone_device *zonedev = thermal_zone_device_priv(tzd); + unsigned int trip_index = THERMAL_TRIP_PRIV_TO_INT(trip->priv); u32 l, h, mask, shift, intr; int tj_max, val, ret; @@ -132,7 +134,7 @@ sys_set_trip_temp(struct thermal_zone_device *tzd, int trip, int temp) val = (tj_max - temp)/1000; - if (trip >= MAX_NUMBER_OF_TRIPS || val < 0 || val > 0x7f) + if (trip_index >= MAX_NUMBER_OF_TRIPS || val < 0 || val > 0x7f) return -EINVAL; ret = rdmsr_on_cpu(zonedev->cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT, @@ -140,7 +142,7 @@ sys_set_trip_temp(struct thermal_zone_device *tzd, int trip, int temp) if (ret < 0) return ret; - if (trip) { + if (trip_index) { mask = THERM_MASK_THRESHOLD1; shift = THERM_SHIFT_THRESHOLD1; intr = THERM_INT_THRESHOLD1_ENABLE; @@ -296,6 +298,7 @@ static int pkg_temp_thermal_trips_init(int cpu, int tj_max, trips[i].type = THERMAL_TRIP_PASSIVE; trips[i].flags |= THERMAL_TRIP_FLAG_RW_TEMP; + trips[i].priv = THERMAL_INT_TO_TRIP_PRIV(i); pr_debug("%s: cpu=%d, trip=%d, temp=%d\n", __func__, cpu, i, trips[i].temperature); diff --git a/drivers/thermal/k3_j72xx_bandgap.c b/drivers/thermal/k3_j72xx_bandgap.c index c74094a86982..9bc279ac131a 100644 --- a/drivers/thermal/k3_j72xx_bandgap.c +++ b/drivers/thermal/k3_j72xx_bandgap.c @@ -178,6 +178,7 @@ struct k3_j72xx_bandgap { void __iomem *base; void __iomem *cfg2_base; struct k3_thermal_data *ts_data[K3_VTM_MAX_NUM_TS]; + int cnt; }; /* common data structures */ @@ -338,24 +339,52 @@ static void print_look_up_table(struct device *dev, int *ref_table) dev_dbg(dev, "%d %d %d\n", i, derived_table[i], ref_table[i]); } +static void k3_j72xx_bandgap_init_hw(struct k3_j72xx_bandgap *bgp) +{ + struct k3_thermal_data *data; + int id, high_max, low_temp; + u32 val; + + for (id = 0; id < bgp->cnt; id++) { + data = bgp->ts_data[id]; + val = readl(bgp->cfg2_base + data->ctrl_offset); + val |= (K3_VTM_TMPSENS_CTRL_MAXT_OUTRG_EN | + K3_VTM_TMPSENS_CTRL_SOC | + K3_VTM_TMPSENS_CTRL_CLRZ | BIT(4)); + writel(val, bgp->cfg2_base + data->ctrl_offset); + } + + /* + * Program TSHUT thresholds + * Step 1: set the thresholds to ~123C and 105C WKUP_VTM_MISC_CTRL2 + * Step 2: WKUP_VTM_TMPSENS_CTRL_j set the MAXT_OUTRG_EN bit + * This is already taken care as per of init + * Step 3: WKUP_VTM_MISC_CTRL set the ANYMAXT_OUTRG_ALERT_EN bit + */ + high_max = k3_j72xx_bandgap_temp_to_adc_code(MAX_TEMP); + low_temp = k3_j72xx_bandgap_temp_to_adc_code(COOL_DOWN_TEMP); + + writel((low_temp << 16) | high_max, bgp->cfg2_base + K3_VTM_MISC_CTRL2_OFFSET); + writel(K3_VTM_ANYMAXT_OUTRG_ALERT_EN, bgp->cfg2_base + K3_VTM_MISC_CTRL_OFFSET); +} + struct k3_j72xx_bandgap_data { const bool has_errata_i2128; }; static int k3_j72xx_bandgap_probe(struct platform_device *pdev) { - int ret = 0, cnt, val, id; - int high_max, low_temp; - struct resource *res; + const struct k3_j72xx_bandgap_data *driver_data; + struct thermal_zone_device *ti_thermal; struct device *dev = &pdev->dev; + bool workaround_needed = false; struct k3_j72xx_bandgap *bgp; struct k3_thermal_data *data; - bool workaround_needed = false; - const struct k3_j72xx_bandgap_data *driver_data; - struct thermal_zone_device *ti_thermal; - int *ref_table; struct err_values err_vals; void __iomem *fuse_base; + int ret = 0, val, id; + struct resource *res; + int *ref_table; const s64 golden_factors[] = { -490019999999999936, @@ -422,10 +451,10 @@ static int k3_j72xx_bandgap_probe(struct platform_device *pdev) /* Get the sensor count in the VTM */ val = readl(bgp->base + K3_VTM_DEVINFO_PWR0_OFFSET); - cnt = val & K3_VTM_DEVINFO_PWR0_TEMPSENS_CT_MASK; - cnt >>= __ffs(K3_VTM_DEVINFO_PWR0_TEMPSENS_CT_MASK); + bgp->cnt = val & K3_VTM_DEVINFO_PWR0_TEMPSENS_CT_MASK; + bgp->cnt >>= __ffs(K3_VTM_DEVINFO_PWR0_TEMPSENS_CT_MASK); - data = devm_kcalloc(bgp->dev, cnt, sizeof(*data), GFP_KERNEL); + data = devm_kcalloc(bgp->dev, bgp->cnt, sizeof(*data), GFP_KERNEL); if (!data) { ret = -ENOMEM; goto err_alloc; @@ -449,8 +478,8 @@ static int k3_j72xx_bandgap_probe(struct platform_device *pdev) else init_table(3, ref_table, pvt_wa_factors); - /* Register the thermal sensors */ - for (id = 0; id < cnt; id++) { + /* Precompute the derived table & fill each thermal sensor struct */ + for (id = 0; id < bgp->cnt; id++) { data[id].bgp = bgp; data[id].ctrl_offset = K3_VTM_TMPSENS0_CTRL_OFFSET + id * 0x20; data[id].stat_offset = data[id].ctrl_offset + @@ -470,13 +499,13 @@ static int k3_j72xx_bandgap_probe(struct platform_device *pdev) else if (id == 0 && !workaround_needed) memcpy(derived_table, ref_table, TABLE_SIZE * 4); - val = readl(data[id].bgp->cfg2_base + data[id].ctrl_offset); - val |= (K3_VTM_TMPSENS_CTRL_MAXT_OUTRG_EN | - K3_VTM_TMPSENS_CTRL_SOC | - K3_VTM_TMPSENS_CTRL_CLRZ | BIT(4)); - writel(val, data[id].bgp->cfg2_base + data[id].ctrl_offset); - bgp->ts_data[id] = &data[id]; + } + + k3_j72xx_bandgap_init_hw(bgp); + + /* Register the thermal sensors */ + for (id = 0; id < bgp->cnt; id++) { ti_thermal = devm_thermal_of_zone_register(bgp->dev, id, &data[id], &k3_of_thermal_ops); if (IS_ERR(ti_thermal)) { @@ -486,21 +515,7 @@ static int k3_j72xx_bandgap_probe(struct platform_device *pdev) } } - /* - * Program TSHUT thresholds - * Step 1: set the thresholds to ~123C and 105C WKUP_VTM_MISC_CTRL2 - * Step 2: WKUP_VTM_TMPSENS_CTRL_j set the MAXT_OUTRG_EN bit - * This is already taken care as per of init - * Step 3: WKUP_VTM_MISC_CTRL set the ANYMAXT_OUTRG_ALERT_EN bit - */ - high_max = k3_j72xx_bandgap_temp_to_adc_code(MAX_TEMP); - low_temp = k3_j72xx_bandgap_temp_to_adc_code(COOL_DOWN_TEMP); - - writel((low_temp << 16) | high_max, data[0].bgp->cfg2_base + - K3_VTM_MISC_CTRL2_OFFSET); - mdelay(100); - writel(K3_VTM_ANYMAXT_OUTRG_ALERT_EN, data[0].bgp->cfg2_base + - K3_VTM_MISC_CTRL_OFFSET); + platform_set_drvdata(pdev, bgp); print_look_up_table(dev, ref_table); /* @@ -527,6 +542,35 @@ static void k3_j72xx_bandgap_remove(struct platform_device *pdev) pm_runtime_disable(&pdev->dev); } +static int k3_j72xx_bandgap_suspend(struct device *dev) +{ + pm_runtime_put_sync(dev); + pm_runtime_disable(dev); + return 0; +} + +static int k3_j72xx_bandgap_resume(struct device *dev) +{ + struct k3_j72xx_bandgap *bgp = dev_get_drvdata(dev); + int ret; + + pm_runtime_enable(dev); + ret = pm_runtime_get_sync(dev); + if (ret < 0) { + pm_runtime_put_noidle(dev); + pm_runtime_disable(dev); + return ret; + } + + k3_j72xx_bandgap_init_hw(bgp); + + return 0; +} + +static DEFINE_SIMPLE_DEV_PM_OPS(k3_j72xx_bandgap_pm_ops, + k3_j72xx_bandgap_suspend, + k3_j72xx_bandgap_resume); + static const struct k3_j72xx_bandgap_data k3_j72xx_bandgap_j721e_data = { .has_errata_i2128 = true, }; @@ -554,6 +598,7 @@ static struct platform_driver k3_j72xx_bandgap_sensor_driver = { .driver = { .name = "k3-j72xx-soc-thermal", .of_match_table = of_k3_j72xx_bandgap_match, + .pm = pm_sleep_ptr(&k3_j72xx_bandgap_pm_ops), }, }; diff --git a/drivers/thermal/mediatek/lvts_thermal.c b/drivers/thermal/mediatek/lvts_thermal.c index 819ed0110f3e..1997e91bb3be 100644 --- a/drivers/thermal/mediatek/lvts_thermal.c +++ b/drivers/thermal/mediatek/lvts_thermal.c @@ -128,6 +128,7 @@ struct lvts_data { int temp_factor; int temp_offset; int gt_calib_bit_offset; + unsigned int def_calibration; }; struct lvts_sensor { @@ -689,6 +690,10 @@ static int lvts_calibration_init(struct device *dev, struct lvts_ctrl *lvts_ctrl size_t calib_len) { int i; + u32 gt; + + /* A zero value for gt means that device has invalid efuse data */ + gt = (((u32 *)efuse_calibration)[0] >> lvts_ctrl->lvts_data->gt_calib_bit_offset) & 0xff; lvts_for_each_valid_sensor(i, lvts_ctrl_data) { const struct lvts_sensor_data *sensor = @@ -699,10 +704,17 @@ static int lvts_calibration_init(struct device *dev, struct lvts_ctrl *lvts_ctrl sensor->cal_offsets[2] >= calib_len) return -EINVAL; - lvts_ctrl->calibration[i] = - (efuse_calibration[sensor->cal_offsets[0]] << 0) + - (efuse_calibration[sensor->cal_offsets[1]] << 8) + - (efuse_calibration[sensor->cal_offsets[2]] << 16); + if (gt) { + lvts_ctrl->calibration[i] = + (efuse_calibration[sensor->cal_offsets[0]] << 0) + + (efuse_calibration[sensor->cal_offsets[1]] << 8) + + (efuse_calibration[sensor->cal_offsets[2]] << 16); + } else if (lvts_ctrl->lvts_data->def_calibration) { + lvts_ctrl->calibration[i] = lvts_ctrl->lvts_data->def_calibration; + } else { + dev_err(dev, "efuse contains invalid calibration data and no default given.\n"); + return -ENODATA; + } } return 0; @@ -770,14 +782,13 @@ static int lvts_golden_temp_init(struct device *dev, u8 *calib, gt = (((u32 *)calib)[0] >> lvts_data->gt_calib_bit_offset) & 0xff; /* A zero value for gt means that device has invalid efuse data */ - if (!gt) - return -ENODATA; - - if (gt < LVTS_GOLDEN_TEMP_MAX) + if (gt && gt < LVTS_GOLDEN_TEMP_MAX) golden_temp = gt; golden_temp_offset = golden_temp * 500 + lvts_data->temp_offset; + dev_info(dev, "%sgolden temp=%d\n", gt ? "" : "fake ", golden_temp); + return 0; } @@ -1440,7 +1451,7 @@ static const struct lvts_ctrl_data mt8186_lvts_data_ctrl[] = { .cal_offsets = { 29, 30, 31 } }, { .dt_id = MT8186_ADSP, .cal_offsets = { 34, 35, 28 } }, - { .dt_id = MT8186_MFG, + { .dt_id = MT8186_GPU, .cal_offsets = { 39, 32, 33 } } }, VALID_SENSOR_MAP(1, 1, 1, 0), @@ -1488,11 +1499,11 @@ static const struct lvts_ctrl_data mt8188_lvts_ap_data_ctrl[] = { }, { .lvts_sensor = { - { .dt_id = MT8188_AP_GPU1, + { .dt_id = MT8188_AP_GPU0, .cal_offsets = { 43, 44, 45 } }, - { .dt_id = MT8188_AP_GPU2, + { .dt_id = MT8188_AP_GPU1, .cal_offsets = { 46, 47, 48 } }, - { .dt_id = MT8188_AP_SOC1, + { .dt_id = MT8188_AP_ADSP, .cal_offsets = { 49, 50, 51 } }, }, VALID_SENSOR_MAP(1, 1, 1, 0), @@ -1500,9 +1511,9 @@ static const struct lvts_ctrl_data mt8188_lvts_ap_data_ctrl[] = { }, { .lvts_sensor = { - { .dt_id = MT8188_AP_SOC2, + { .dt_id = MT8188_AP_VDO, .cal_offsets = { 52, 53, 54 } }, - { .dt_id = MT8188_AP_SOC3, + { .dt_id = MT8188_AP_INFRA, .cal_offsets = { 55, 56, 57 } }, }, VALID_SENSOR_MAP(1, 1, 0, 0), @@ -1701,6 +1712,7 @@ static const struct lvts_data mt8186_lvts_data = { .temp_factor = LVTS_COEFF_A_MT7988, .temp_offset = LVTS_COEFF_B_MT7988, .gt_calib_bit_offset = 24, + .def_calibration = 19000, }; static const struct lvts_data mt8188_lvts_mcu_data = { @@ -1709,6 +1721,7 @@ static const struct lvts_data mt8188_lvts_mcu_data = { .temp_factor = LVTS_COEFF_A_MT8195, .temp_offset = LVTS_COEFF_B_MT8195, .gt_calib_bit_offset = 20, + .def_calibration = 35000, }; static const struct lvts_data mt8188_lvts_ap_data = { @@ -1717,6 +1730,7 @@ static const struct lvts_data mt8188_lvts_ap_data = { .temp_factor = LVTS_COEFF_A_MT8195, .temp_offset = LVTS_COEFF_B_MT8195, .gt_calib_bit_offset = 20, + .def_calibration = 35000, }; static const struct lvts_data mt8192_lvts_mcu_data = { @@ -1725,6 +1739,7 @@ static const struct lvts_data mt8192_lvts_mcu_data = { .temp_factor = LVTS_COEFF_A_MT8195, .temp_offset = LVTS_COEFF_B_MT8195, .gt_calib_bit_offset = 24, + .def_calibration = 35000, }; static const struct lvts_data mt8192_lvts_ap_data = { @@ -1733,6 +1748,7 @@ static const struct lvts_data mt8192_lvts_ap_data = { .temp_factor = LVTS_COEFF_A_MT8195, .temp_offset = LVTS_COEFF_B_MT8195, .gt_calib_bit_offset = 24, + .def_calibration = 35000, }; static const struct lvts_data mt8195_lvts_mcu_data = { @@ -1741,6 +1757,7 @@ static const struct lvts_data mt8195_lvts_mcu_data = { .temp_factor = LVTS_COEFF_A_MT8195, .temp_offset = LVTS_COEFF_B_MT8195, .gt_calib_bit_offset = 24, + .def_calibration = 35000, }; static const struct lvts_data mt8195_lvts_ap_data = { @@ -1749,6 +1766,7 @@ static const struct lvts_data mt8195_lvts_ap_data = { .temp_factor = LVTS_COEFF_A_MT8195, .temp_offset = LVTS_COEFF_B_MT8195, .gt_calib_bit_offset = 24, + .def_calibration = 35000, }; static const struct of_device_id lvts_of_match[] = { diff --git a/drivers/thermal/qcom/qcom-spmi-adc-tm5.c b/drivers/thermal/qcom/qcom-spmi-adc-tm5.c index 756ac6842ff9..7c9f4023babc 100644 --- a/drivers/thermal/qcom/qcom-spmi-adc-tm5.c +++ b/drivers/thermal/qcom/qcom-spmi-adc-tm5.c @@ -829,12 +829,9 @@ static int adc_tm5_get_dt_channel_data(struct adc_tm5_chip *adc_tm, channel->iio = devm_fwnode_iio_channel_get_by_name(adc_tm->dev, of_fwnode_handle(node), NULL); - if (IS_ERR(channel->iio)) { - ret = PTR_ERR(channel->iio); - if (ret != -EPROBE_DEFER) - dev_err(dev, "%s: error getting channel: %d\n", name, ret); - return ret; - } + if (IS_ERR(channel->iio)) + return dev_err_probe(dev, PTR_ERR(channel->iio), "%s: error getting channel\n", + name); ret = of_property_read_u32_array(node, "qcom,pre-scaling", varr, 2); if (!ret) { diff --git a/drivers/thermal/qcom/qcom-spmi-temp-alarm.c b/drivers/thermal/qcom/qcom-spmi-temp-alarm.c index 3cd74f6cac8f..96daad28b0c0 100644 --- a/drivers/thermal/qcom/qcom-spmi-temp-alarm.c +++ b/drivers/thermal/qcom/qcom-spmi-temp-alarm.c @@ -261,17 +261,13 @@ skip: return qpnp_tm_write(chip, QPNP_TM_REG_SHUTDOWN_CTRL1, reg); } -static int qpnp_tm_set_trip_temp(struct thermal_zone_device *tz, int trip_id, int temp) +static int qpnp_tm_set_trip_temp(struct thermal_zone_device *tz, + const struct thermal_trip *trip, int temp) { struct qpnp_tm_chip *chip = thermal_zone_device_priv(tz); - struct thermal_trip trip; int ret; - ret = __thermal_zone_get_trip(chip->tz_dev, trip_id, &trip); - if (ret) - return ret; - - if (trip.type != THERMAL_TRIP_CRITICAL) + if (trip->type != THERMAL_TRIP_CRITICAL) return 0; mutex_lock(&chip->lock); diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c index e76e23026dc8..0b4421bf4785 100644 --- a/drivers/thermal/qcom/tsens.c +++ b/drivers/thermal/qcom/tsens.c @@ -1336,11 +1336,9 @@ static int tsens_probe(struct platform_device *pdev) if (priv->ops->calibrate) { ret = priv->ops->calibrate(priv); - if (ret < 0) { - if (ret != -EPROBE_DEFER) - dev_err(dev, "%s: calibration failed\n", __func__); - return ret; - } + if (ret < 0) + return dev_err_probe(dev, ret, "%s: calibration failed\n", + __func__); } ret = tsens_register(priv); diff --git a/drivers/thermal/renesas/Kconfig b/drivers/thermal/renesas/Kconfig new file mode 100644 index 000000000000..dcf5fc5ae08e --- /dev/null +++ b/drivers/thermal/renesas/Kconfig @@ -0,0 +1,28 @@ +# SPDX-License-Identifier: GPL-2.0-only + +config RCAR_THERMAL + tristate "Renesas R-Car thermal driver" + depends on ARCH_RENESAS || COMPILE_TEST + depends on HAS_IOMEM + depends on OF + help + Enable this to plug the R-Car thermal sensor driver into the Linux + thermal framework. + +config RCAR_GEN3_THERMAL + tristate "Renesas R-Car Gen3 and RZ/G2 thermal driver" + depends on ARCH_RENESAS || COMPILE_TEST + depends on HAS_IOMEM + depends on OF + help + Enable this to plug the R-Car Gen3 or RZ/G2 thermal sensor driver into + the Linux thermal framework. + +config RZG2L_THERMAL + tristate "Renesas RZ/G2L thermal driver" + depends on ARCH_RENESAS || COMPILE_TEST + depends on HAS_IOMEM + depends on OF + help + Enable this to plug the RZ/G2L thermal sensor driver into the Linux + thermal framework. diff --git a/drivers/thermal/renesas/Makefile b/drivers/thermal/renesas/Makefile new file mode 100644 index 000000000000..bf9cb3cb94d6 --- /dev/null +++ b/drivers/thermal/renesas/Makefile @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0-only + +obj-$(CONFIG_RCAR_GEN3_THERMAL) += rcar_gen3_thermal.o +obj-$(CONFIG_RCAR_THERMAL) += rcar_thermal.o +obj-$(CONFIG_RZG2L_THERMAL) += rzg2l_thermal.o diff --git a/drivers/thermal/rcar_gen3_thermal.c b/drivers/thermal/renesas/rcar_gen3_thermal.c index 02494fa142c3..5c769871753a 100644 --- a/drivers/thermal/rcar_gen3_thermal.c +++ b/drivers/thermal/renesas/rcar_gen3_thermal.c @@ -16,7 +16,7 @@ #include <linux/pm_runtime.h> #include <linux/thermal.h> -#include "thermal_hwmon.h" +#include "../thermal_hwmon.h" /* Register offsets */ #define REG_GEN3_IRQSTR 0x04 diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/renesas/rcar_thermal.c index 925183753fcb..1e93f60b6d74 100644 --- a/drivers/thermal/rcar_thermal.c +++ b/drivers/thermal/renesas/rcar_thermal.c @@ -19,7 +19,7 @@ #include <linux/spinlock.h> #include <linux/thermal.h> -#include "thermal_hwmon.h" +#include "../thermal_hwmon.h" #define IDLE_INTERVAL 5000 diff --git a/drivers/thermal/rzg2l_thermal.c b/drivers/thermal/renesas/rzg2l_thermal.c index 04efd824ac4c..0e1cb9045ee6 100644 --- a/drivers/thermal/rzg2l_thermal.c +++ b/drivers/thermal/renesas/rzg2l_thermal.c @@ -17,7 +17,7 @@ #include <linux/thermal.h> #include <linux/units.h> -#include "thermal_hwmon.h" +#include "../thermal_hwmon.h" #define CTEMP_MASK 0xFFF diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c index 6482513bfe66..96cffb2c44ba 100644 --- a/drivers/thermal/samsung/exynos_tmu.c +++ b/drivers/thermal/samsung/exynos_tmu.c @@ -1004,11 +1004,11 @@ static const struct thermal_zone_device_ops exynos_sensor_ops = { static int exynos_tmu_probe(struct platform_device *pdev) { + struct device *dev = &pdev->dev; struct exynos_tmu_data *data; int ret; - data = devm_kzalloc(&pdev->dev, sizeof(struct exynos_tmu_data), - GFP_KERNEL); + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); if (!data) return -ENOMEM; @@ -1020,7 +1020,7 @@ static int exynos_tmu_probe(struct platform_device *pdev) * TODO: Add regulator as an SOC feature, so that regulator enable * is a compulsory call. */ - ret = devm_regulator_get_enable_optional(&pdev->dev, "vtmu"); + ret = devm_regulator_get_enable_optional(dev, "vtmu"); switch (ret) { case 0: case -ENODEV: @@ -1028,8 +1028,7 @@ static int exynos_tmu_probe(struct platform_device *pdev) case -EPROBE_DEFER: return -EPROBE_DEFER; default: - dev_err(&pdev->dev, "Failed to get enabled regulator: %d\n", - ret); + dev_err(dev, "Failed to get enabled regulator: %d\n", ret); return ret; } @@ -1037,44 +1036,40 @@ static int exynos_tmu_probe(struct platform_device *pdev) if (ret) return ret; - data->clk = devm_clk_get(&pdev->dev, "tmu_apbif"); - if (IS_ERR(data->clk)) { - dev_err(&pdev->dev, "Failed to get clock\n"); - return PTR_ERR(data->clk); - } + data->clk = devm_clk_get(dev, "tmu_apbif"); + if (IS_ERR(data->clk)) + return dev_err_probe(dev, PTR_ERR(data->clk), "Failed to get clock\n"); - data->clk_sec = devm_clk_get(&pdev->dev, "tmu_triminfo_apbif"); + data->clk_sec = devm_clk_get(dev, "tmu_triminfo_apbif"); if (IS_ERR(data->clk_sec)) { - if (data->soc == SOC_ARCH_EXYNOS5420_TRIMINFO) { - dev_err(&pdev->dev, "Failed to get triminfo clock\n"); - return PTR_ERR(data->clk_sec); - } + if (data->soc == SOC_ARCH_EXYNOS5420_TRIMINFO) + return dev_err_probe(dev, PTR_ERR(data->clk_sec), + "Failed to get triminfo clock\n"); } else { ret = clk_prepare(data->clk_sec); if (ret) { - dev_err(&pdev->dev, "Failed to get clock\n"); + dev_err(dev, "Failed to get clock\n"); return ret; } } ret = clk_prepare(data->clk); if (ret) { - dev_err(&pdev->dev, "Failed to get clock\n"); + dev_err(dev, "Failed to get clock\n"); goto err_clk_sec; } switch (data->soc) { case SOC_ARCH_EXYNOS5433: case SOC_ARCH_EXYNOS7: - data->sclk = devm_clk_get(&pdev->dev, "tmu_sclk"); + data->sclk = devm_clk_get(dev, "tmu_sclk"); if (IS_ERR(data->sclk)) { - dev_err(&pdev->dev, "Failed to get sclk\n"); - ret = PTR_ERR(data->sclk); + ret = dev_err_probe(dev, PTR_ERR(data->sclk), "Failed to get sclk\n"); goto err_clk; } else { ret = clk_prepare_enable(data->sclk); if (ret) { - dev_err(&pdev->dev, "Failed to enable sclk\n"); + dev_err(dev, "Failed to enable sclk\n"); goto err_clk; } } @@ -1085,33 +1080,30 @@ static int exynos_tmu_probe(struct platform_device *pdev) ret = exynos_tmu_initialize(pdev); if (ret) { - dev_err(&pdev->dev, "Failed to initialize TMU\n"); + dev_err(dev, "Failed to initialize TMU\n"); goto err_sclk; } - data->tzd = devm_thermal_of_zone_register(&pdev->dev, 0, data, + data->tzd = devm_thermal_of_zone_register(dev, 0, data, &exynos_sensor_ops); if (IS_ERR(data->tzd)) { - ret = PTR_ERR(data->tzd); - if (ret != -EPROBE_DEFER) - dev_err(&pdev->dev, "Failed to register sensor: %d\n", - ret); + ret = dev_err_probe(dev, PTR_ERR(data->tzd), "Failed to register sensor\n"); goto err_sclk; } ret = exynos_thermal_zone_configure(pdev); if (ret) { - dev_err(&pdev->dev, "Failed to configure the thermal zone\n"); + dev_err(dev, "Failed to configure the thermal zone\n"); goto err_sclk; } - ret = devm_request_threaded_irq(&pdev->dev, data->irq, NULL, + ret = devm_request_threaded_irq(dev, data->irq, NULL, exynos_tmu_threaded_irq, IRQF_TRIGGER_RISING | IRQF_SHARED | IRQF_ONESHOT, - dev_name(&pdev->dev), data); + dev_name(dev), data); if (ret) { - dev_err(&pdev->dev, "Failed to request irq: %d\n", data->irq); + dev_err(dev, "Failed to request irq: %d\n", data->irq); goto err_sclk; } diff --git a/drivers/thermal/st/st_thermal_memmap.c b/drivers/thermal/st/st_thermal_memmap.c index 29c2269b0fb3..e427117381a4 100644 --- a/drivers/thermal/st/st_thermal_memmap.c +++ b/drivers/thermal/st/st_thermal_memmap.c @@ -142,15 +142,6 @@ static const struct st_thermal_sensor_ops st_mmap_sensor_ops = { .enable_irq = st_mmap_enable_irq, }; -/* Compatible device data stih416 mpe thermal sensor */ -static const struct st_thermal_compat_data st_416mpe_cdata = { - .reg_fields = st_mmap_thermal_regfields, - .ops = &st_mmap_sensor_ops, - .calibration_val = 14, - .temp_adjust_val = -95, - .crit_temp = 120, -}; - /* Compatible device data stih407 thermal sensor */ static const struct st_thermal_compat_data st_407_cdata = { .reg_fields = st_mmap_thermal_regfields, @@ -161,7 +152,6 @@ static const struct st_thermal_compat_data st_407_cdata = { }; static const struct of_device_id st_mmap_thermal_of_match[] = { - { .compatible = "st,stih416-mpe-thermal", .data = &st_416mpe_cdata }, { .compatible = "st,stih407-thermal", .data = &st_407_cdata }, { /* sentinel */ } }; diff --git a/drivers/thermal/tegra/soctherm.c b/drivers/thermal/tegra/soctherm.c index e7fe8683bfc5..d3dfc34c62c6 100644 --- a/drivers/thermal/tegra/soctherm.c +++ b/drivers/thermal/tegra/soctherm.c @@ -582,23 +582,18 @@ static int tsensor_group_thermtrip_get(struct tegra_soctherm *ts, int id) return temp; } -static int tegra_thermctl_set_trip_temp(struct thermal_zone_device *tz, int trip_id, int temp) +static int tegra_thermctl_set_trip_temp(struct thermal_zone_device *tz, + const struct thermal_trip *trip, int temp) { struct tegra_thermctl_zone *zone = thermal_zone_device_priv(tz); struct tegra_soctherm *ts = zone->ts; - struct thermal_trip trip; const struct tegra_tsensor_group *sg = zone->sg; struct device *dev = zone->dev; - int ret; if (!tz) return -EINVAL; - ret = __thermal_zone_get_trip(tz, trip_id, &trip); - if (ret) - return ret; - - if (trip.type == THERMAL_TRIP_CRITICAL) { + if (trip->type == THERMAL_TRIP_CRITICAL) { /* * If thermtrips property is set in DT, * doesn't need to program critical type trip to HW, @@ -609,7 +604,7 @@ static int tegra_thermctl_set_trip_temp(struct thermal_zone_device *tz, int trip else return 0; - } else if (trip.type == THERMAL_TRIP_HOT) { + } else if (trip->type == THERMAL_TRIP_HOT) { int i; for (i = 0; i < THROTTLE_SIZE; i++) { @@ -620,7 +615,7 @@ static int tegra_thermctl_set_trip_temp(struct thermal_zone_device *tz, int trip continue; cdev = ts->throt_cfgs[i].cdev; - if (get_thermal_instance(tz, cdev, trip_id)) + if (thermal_trip_is_bound_to_cdev(tz, trip, cdev)) stc = find_throttle_cfg_by_name(ts, cdev->type); else continue; diff --git a/drivers/thermal/thermal-generic-adc.c b/drivers/thermal/thermal-generic-adc.c index 1717e4a19dcb..ee3d0aa31406 100644 --- a/drivers/thermal/thermal-generic-adc.c +++ b/drivers/thermal/thermal-generic-adc.c @@ -117,44 +117,41 @@ static int gadc_thermal_read_linear_lookup_table(struct device *dev, static int gadc_thermal_probe(struct platform_device *pdev) { + struct device *dev = &pdev->dev; struct gadc_thermal_info *gti; int ret; - if (!pdev->dev.of_node) { - dev_err(&pdev->dev, "Only DT based supported\n"); + if (!dev->of_node) { + dev_err(dev, "Only DT based supported\n"); return -ENODEV; } - gti = devm_kzalloc(&pdev->dev, sizeof(*gti), GFP_KERNEL); + gti = devm_kzalloc(dev, sizeof(*gti), GFP_KERNEL); if (!gti) return -ENOMEM; - gti->channel = devm_iio_channel_get(&pdev->dev, "sensor-channel"); - if (IS_ERR(gti->channel)) { - ret = PTR_ERR(gti->channel); - if (ret != -EPROBE_DEFER) - dev_err(&pdev->dev, "IIO channel not found: %d\n", ret); - return ret; - } + gti->channel = devm_iio_channel_get(dev, "sensor-channel"); + if (IS_ERR(gti->channel)) + return dev_err_probe(dev, PTR_ERR(gti->channel), "IIO channel not found\n"); - ret = gadc_thermal_read_linear_lookup_table(&pdev->dev, gti); + ret = gadc_thermal_read_linear_lookup_table(dev, gti); if (ret < 0) return ret; - gti->dev = &pdev->dev; + gti->dev = dev; - gti->tz_dev = devm_thermal_of_zone_register(&pdev->dev, 0, gti, + gti->tz_dev = devm_thermal_of_zone_register(dev, 0, gti, &gadc_thermal_ops); if (IS_ERR(gti->tz_dev)) { ret = PTR_ERR(gti->tz_dev); if (ret != -EPROBE_DEFER) - dev_err(&pdev->dev, + dev_err(dev, "Thermal zone sensor register failed: %d\n", ret); return ret; } - devm_thermal_add_hwmon_sysfs(&pdev->dev, gti->tz_dev); + devm_thermal_add_hwmon_sysfs(dev, gti->tz_dev); return 0; } diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index ecc748d15eb7..8795187fbc52 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -465,6 +465,9 @@ static void thermal_governor_trip_crossed(struct thermal_governor *governor, const struct thermal_trip *trip, bool crossed_up) { + if (trip->type == THERMAL_TRIP_HOT || trip->type == THERMAL_TRIP_CRITICAL) + return; + if (governor->trip_crossed) governor->trip_crossed(tz, trip, crossed_up); } @@ -513,13 +516,13 @@ void __thermal_zone_device_update(struct thermal_zone_device *tz, if (tz->temperature == THERMAL_TEMP_INVALID) goto monitor; - __thermal_zone_set_trips(tz); - tz->notify_event = event; for_each_trip_desc(tz, td) handle_thermal_trip(tz, td, &way_up_list, &way_down_list); + thermal_zone_set_trips(tz); + list_sort(NULL, &way_up_list, thermal_trip_notify_cmp); list_for_each_entry(td, &way_up_list, notify_list_node) thermal_trip_crossed(tz, &td->trip, governor, true); @@ -1127,7 +1130,7 @@ static void thermal_cooling_device_release(struct device *dev, void *res) struct thermal_cooling_device * devm_thermal_of_cooling_device_register(struct device *dev, struct device_node *np, - char *type, void *devdata, + const char *type, void *devdata, const struct thermal_cooling_device_ops *ops) { struct thermal_cooling_device **ptr, *tcd; @@ -1354,7 +1357,8 @@ thermal_zone_device_register_with_trips(const char *type, int num_trips, void *devdata, const struct thermal_zone_device_ops *ops, const struct thermal_zone_params *tzp, - int passive_delay, int polling_delay) + unsigned int passive_delay, + unsigned int polling_delay) { const struct thermal_trip *trip = trips; struct thermal_zone_device *tz; @@ -1387,6 +1391,14 @@ thermal_zone_device_register_with_trips(const char *type, if (num_trips > 0 && !trips) return ERR_PTR(-EINVAL); + if (polling_delay) { + if (passive_delay > polling_delay) + return ERR_PTR(-EINVAL); + + if (!passive_delay) + passive_delay = polling_delay; + } + if (!thermal_class) return ERR_PTR(-ENODEV); @@ -1650,6 +1662,7 @@ static void thermal_zone_device_resume(struct work_struct *work) tz->suspended = false; + thermal_debug_tz_resume(tz); thermal_zone_device_init(tz); __thermal_zone_device_update(tz, THERMAL_EVENT_UNSPECIFIED); diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h index 94eeb4011a48..30c0e78859a7 100644 --- a/drivers/thermal/thermal_core.h +++ b/drivers/thermal/thermal_core.h @@ -250,7 +250,9 @@ void thermal_governor_update_tz(struct thermal_zone_device *tz, #define trip_to_trip_desc(__trip) \ container_of(__trip, struct thermal_trip_desc, trip) -void __thermal_zone_set_trips(struct thermal_zone_device *tz); +const char *thermal_trip_type_name(enum thermal_trip_type trip_type); + +void thermal_zone_set_trips(struct thermal_zone_device *tz); int thermal_zone_trip_id(const struct thermal_zone_device *tz, const struct thermal_trip *trip); void thermal_zone_trip_updated(struct thermal_zone_device *tz, diff --git a/drivers/thermal/thermal_debugfs.c b/drivers/thermal/thermal_debugfs.c index 942447229157..7dd67bf48571 100644 --- a/drivers/thermal/thermal_debugfs.c +++ b/drivers/thermal/thermal_debugfs.c @@ -94,7 +94,6 @@ struct cdev_record { * @trip_temp: trip temperature at mitigation start * @trip_hyst: trip hysteresis at mitigation start * @count: the number of times the zone temperature was above the trip point - * @max: maximum recorded temperature above the trip point * @min: minimum recorded temperature above the trip point * @avg: average temperature above the trip point */ @@ -104,7 +103,6 @@ struct trip_stats { int trip_temp; int trip_hyst; int count; - int max; int min; int avg; }; @@ -122,12 +120,14 @@ struct trip_stats { * @timestamp: first trip point crossed the way up * @duration: total duration of the mitigation episode * @node: a list element to be added to the list of tz events + * @max_temp: maximum zone temperature during this episode * @trip_stats: per trip point statistics, flexible array */ struct tz_episode { ktime_t timestamp; ktime_t duration; struct list_head node; + int max_temp; struct trip_stats trip_stats[]; }; @@ -561,10 +561,11 @@ static struct tz_episode *thermal_debugfs_tz_event_alloc(struct thermal_zone_dev INIT_LIST_HEAD(&tze->node); tze->timestamp = now; tze->duration = KTIME_MIN; + tze->max_temp = INT_MIN; for (i = 0; i < tz->num_trips; i++) { + tze->trip_stats[i].trip_temp = THERMAL_TEMP_INVALID; tze->trip_stats[i].min = INT_MAX; - tze->trip_stats[i].max = INT_MIN; } return tze; @@ -573,20 +574,20 @@ static struct tz_episode *thermal_debugfs_tz_event_alloc(struct thermal_zone_dev void thermal_debug_tz_trip_up(struct thermal_zone_device *tz, const struct thermal_trip *trip) { - struct tz_episode *tze; - struct tz_debugfs *tz_dbg; struct thermal_debugfs *thermal_dbg = tz->debugfs; int trip_id = thermal_zone_trip_id(tz, trip); ktime_t now = ktime_get(); struct trip_stats *trip_stats; + struct tz_debugfs *tz_dbg; + struct tz_episode *tze; if (!thermal_dbg) return; - mutex_lock(&thermal_dbg->lock); - tz_dbg = &thermal_dbg->tz_dbg; + mutex_lock(&thermal_dbg->lock); + /* * The mitigation is starting. A mitigation can contain * several episodes where each of them is related to a @@ -653,23 +654,33 @@ unlock: mutex_unlock(&thermal_dbg->lock); } +static void tz_episode_close_trip(struct tz_episode *tze, int trip_id, ktime_t now) +{ + struct trip_stats *trip_stats = &tze->trip_stats[trip_id]; + ktime_t delta = ktime_sub(now, trip_stats->timestamp); + + trip_stats->duration = ktime_add(delta, trip_stats->duration); + /* Mark the end of mitigation for this trip point. */ + trip_stats->timestamp = KTIME_MAX; +} + void thermal_debug_tz_trip_down(struct thermal_zone_device *tz, const struct thermal_trip *trip) { struct thermal_debugfs *thermal_dbg = tz->debugfs; + int trip_id = thermal_zone_trip_id(tz, trip); + ktime_t now = ktime_get(); struct tz_episode *tze; struct tz_debugfs *tz_dbg; - ktime_t delta, now = ktime_get(); - int trip_id = thermal_zone_trip_id(tz, trip); int i; if (!thermal_dbg) return; - mutex_lock(&thermal_dbg->lock); - tz_dbg = &thermal_dbg->tz_dbg; + mutex_lock(&thermal_dbg->lock); + /* * The temperature crosses the way down but there was not * mitigation detected before. That may happen when the @@ -695,13 +706,7 @@ void thermal_debug_tz_trip_down(struct thermal_zone_device *tz, tze = list_first_entry(&tz_dbg->tz_episodes, struct tz_episode, node); - delta = ktime_sub(now, tze->trip_stats[trip_id].timestamp); - - tze->trip_stats[trip_id].duration = - ktime_add(delta, tze->trip_stats[trip_id].duration); - - /* Mark the end of mitigation for this trip point. */ - tze->trip_stats[trip_id].timestamp = KTIME_MAX; + tz_episode_close_trip(tze, trip_id, now); /* * This event closes the mitigation as we are crossing the @@ -724,20 +729,22 @@ void thermal_debug_update_trip_stats(struct thermal_zone_device *tz) if (!thermal_dbg) return; - mutex_lock(&thermal_dbg->lock); - tz_dbg = &thermal_dbg->tz_dbg; + mutex_lock(&thermal_dbg->lock); + if (!tz_dbg->nr_trips) goto out; tze = list_first_entry(&tz_dbg->tz_episodes, struct tz_episode, node); + if (tz->temperature > tze->max_temp) + tze->max_temp = tz->temperature; + for (i = 0; i < tz_dbg->nr_trips; i++) { int trip_id = tz_dbg->trips_crossed[i]; struct trip_stats *trip_stats = &tze->trip_stats[trip_id]; - trip_stats->max = max(trip_stats->max, tz->temperature); trip_stats->min = min(trip_stats->min, tz->temperature); trip_stats->avg += (tz->temperature - trip_stats->avg) / ++trip_stats->count; @@ -777,7 +784,6 @@ static int tze_seq_show(struct seq_file *s, void *v) struct thermal_zone_device *tz = thermal_dbg->tz_dbg.tz; struct thermal_trip_desc *td; struct tz_episode *tze; - const char *type; u64 duration_ms; int trip_id; char c; @@ -793,10 +799,10 @@ static int tze_seq_show(struct seq_file *s, void *v) c = '='; } - seq_printf(s, ",-Mitigation at %lluus, duration%c%llums\n", - ktime_to_us(tze->timestamp), c, duration_ms); + seq_printf(s, ",-Mitigation at %llums, duration%c%llums, max. temp=%dm°C\n", + ktime_to_ms(tze->timestamp), c, duration_ms, tze->max_temp); - seq_printf(s, "| trip | type | temp(°mC) | hyst(°mC) | duration | avg(°mC) | min(°mC) | max(°mC) |\n"); + seq_printf(s, "| trip | type | temp(m°C) | hyst(m°C) | duration(ms) | avg(m°C) | min(m°C) |\n"); for_each_trip_desc(tz, td) { const struct thermal_trip *trip = &td->trip; @@ -814,16 +820,9 @@ static int tze_seq_show(struct seq_file *s, void *v) trip_stats = &tze->trip_stats[trip_id]; /* Skip trips without any stats. */ - if (trip_stats->min > trip_stats->max) + if (trip_stats->trip_temp == THERMAL_TEMP_INVALID) continue; - if (trip->type == THERMAL_TRIP_PASSIVE) - type = "passive"; - else if (trip->type == THERMAL_TRIP_ACTIVE) - type = "active"; - else - type = "hot"; - if (trip_stats->timestamp != KTIME_MAX) { /* Mitigation in progress. */ ktime_t delta = ktime_sub(ktime_get(), @@ -837,15 +836,14 @@ static int tze_seq_show(struct seq_file *s, void *v) c = ' '; } - seq_printf(s, "| %*d | %*s | %*d | %*d | %c%*lld | %*d | %*d | %*d |\n", + seq_printf(s, "| %*d | %*s | %*d | %*d | %c%*lld | %*d | %*d |\n", 4 , trip_id, - 8, type, + 8, thermal_trip_type_name(trip->type), 9, trip_stats->trip_temp, 9, trip_stats->trip_hyst, - c, 10, duration_ms, + c, 11, duration_ms, 9, trip_stats->avg, - 9, trip_stats->min, - 9, trip_stats->max); + 9, trip_stats->min); } return 0; @@ -922,3 +920,39 @@ void thermal_debug_tz_remove(struct thermal_zone_device *tz) thermal_debugfs_remove_id(thermal_dbg); kfree(trips_crossed); } + +void thermal_debug_tz_resume(struct thermal_zone_device *tz) +{ + struct thermal_debugfs *thermal_dbg = tz->debugfs; + ktime_t now = ktime_get(); + struct tz_debugfs *tz_dbg; + struct tz_episode *tze; + int i; + + if (!thermal_dbg) + return; + + mutex_lock(&thermal_dbg->lock); + + tz_dbg = &thermal_dbg->tz_dbg; + + if (!tz_dbg->nr_trips) + goto out; + + /* + * A mitigation episode was in progress before the preceding system + * suspend transition, so close it because the zone handling is starting + * over from scratch. + */ + tze = list_first_entry(&tz_dbg->tz_episodes, struct tz_episode, node); + + for (i = 0; i < tz_dbg->nr_trips; i++) + tz_episode_close_trip(tze, tz_dbg->trips_crossed[i], now); + + tze->duration = ktime_sub(now, tze->timestamp); + + tz_dbg->nr_trips = 0; + +out: + mutex_unlock(&thermal_dbg->lock); +} diff --git a/drivers/thermal/thermal_debugfs.h b/drivers/thermal/thermal_debugfs.h index 74ee65ee82ff..1c957ce2ec8f 100644 --- a/drivers/thermal/thermal_debugfs.h +++ b/drivers/thermal/thermal_debugfs.h @@ -7,6 +7,7 @@ void thermal_debug_cdev_remove(struct thermal_cooling_device *cdev); void thermal_debug_cdev_state_update(const struct thermal_cooling_device *cdev, int state); void thermal_debug_tz_add(struct thermal_zone_device *tz); void thermal_debug_tz_remove(struct thermal_zone_device *tz); +void thermal_debug_tz_resume(struct thermal_zone_device *tz); void thermal_debug_tz_trip_up(struct thermal_zone_device *tz, const struct thermal_trip *trip); void thermal_debug_tz_trip_down(struct thermal_zone_device *tz, @@ -20,6 +21,7 @@ static inline void thermal_debug_cdev_state_update(const struct thermal_cooling_ int state) {} static inline void thermal_debug_tz_add(struct thermal_zone_device *tz) {} static inline void thermal_debug_tz_remove(struct thermal_zone_device *tz) {} +static inline void thermal_debug_tz_resume(struct thermal_zone_device *tz) {} static inline void thermal_debug_tz_trip_up(struct thermal_zone_device *tz, const struct thermal_trip *trip) {}; static inline void thermal_debug_tz_trip_down(struct thermal_zone_device *tz, diff --git a/drivers/thermal/thermal_helpers.c b/drivers/thermal/thermal_helpers.c index d9f4e26ec125..81e019493557 100644 --- a/drivers/thermal/thermal_helpers.c +++ b/drivers/thermal/thermal_helpers.c @@ -39,30 +39,53 @@ int get_tz_trend(struct thermal_zone_device *tz, const struct thermal_trip *trip return trend; } +static struct thermal_instance *get_instance(struct thermal_zone_device *tz, + struct thermal_cooling_device *cdev, + const struct thermal_trip *trip) +{ + struct thermal_instance *ti; + + list_for_each_entry(ti, &tz->thermal_instances, tz_node) { + if (ti->trip == trip && ti->cdev == cdev) + return ti; + } + + return NULL; +} + +bool thermal_trip_is_bound_to_cdev(struct thermal_zone_device *tz, + const struct thermal_trip *trip, + struct thermal_cooling_device *cdev) +{ + bool ret; + + mutex_lock(&tz->lock); + mutex_lock(&cdev->lock); + + ret = !!get_instance(tz, cdev, trip); + + mutex_unlock(&cdev->lock); + mutex_unlock(&tz->lock); + + return ret; +} +EXPORT_SYMBOL_GPL(thermal_trip_is_bound_to_cdev); + struct thermal_instance * get_thermal_instance(struct thermal_zone_device *tz, struct thermal_cooling_device *cdev, int trip_index) { - struct thermal_instance *pos = NULL; - struct thermal_instance *target_instance = NULL; - const struct thermal_trip *trip; + struct thermal_instance *ti; mutex_lock(&tz->lock); mutex_lock(&cdev->lock); - trip = &tz->trips[trip_index].trip; - - list_for_each_entry(pos, &tz->thermal_instances, tz_node) { - if (pos->tz == tz && pos->trip == trip && pos->cdev == cdev) { - target_instance = pos; - break; - } - } + ti = get_instance(tz, cdev, &tz->trips[trip_index].trip); mutex_unlock(&cdev->lock); mutex_unlock(&tz->lock); - return target_instance; + return ti; } EXPORT_SYMBOL(get_thermal_instance); diff --git a/drivers/thermal/thermal_sysfs.c b/drivers/thermal/thermal_sysfs.c index 88211ccdfbd6..72b302bf914e 100644 --- a/drivers/thermal/thermal_sysfs.c +++ b/drivers/thermal/thermal_sysfs.c @@ -88,18 +88,7 @@ trip_point_type_show(struct device *dev, struct device_attribute *attr, if (sscanf(attr->attr.name, "trip_point_%d_type", &trip_id) != 1) return -EINVAL; - switch (tz->trips[trip_id].trip.type) { - case THERMAL_TRIP_CRITICAL: - return sprintf(buf, "critical\n"); - case THERMAL_TRIP_HOT: - return sprintf(buf, "hot\n"); - case THERMAL_TRIP_PASSIVE: - return sprintf(buf, "passive\n"); - case THERMAL_TRIP_ACTIVE: - return sprintf(buf, "active\n"); - default: - return sprintf(buf, "unknown\n"); - } + return sprintf(buf, "%s\n", thermal_trip_type_name(tz->trips[trip_id].trip.type)); } static ssize_t @@ -124,7 +113,7 @@ trip_point_temp_store(struct device *dev, struct device_attribute *attr, if (temp != trip->temperature) { if (tz->ops.set_trip_temp) { - ret = tz->ops.set_trip_temp(tz, trip_id, temp); + ret = tz->ops.set_trip_temp(tz, trip, temp); if (ret) goto unlock; } @@ -150,7 +139,7 @@ trip_point_temp_show(struct device *dev, struct device_attribute *attr, if (sscanf(attr->attr.name, "trip_point_%d_temp", &trip_id) != 1) return -EINVAL; - return sprintf(buf, "%d\n", tz->trips[trip_id].trip.temperature); + return sprintf(buf, "%d\n", READ_ONCE(tz->trips[trip_id].trip.temperature)); } static ssize_t @@ -174,7 +163,7 @@ trip_point_hyst_store(struct device *dev, struct device_attribute *attr, trip = &tz->trips[trip_id].trip; if (hyst != trip->hysteresis) { - trip->hysteresis = hyst; + WRITE_ONCE(trip->hysteresis, hyst); thermal_zone_trip_updated(tz, trip); } @@ -194,7 +183,7 @@ trip_point_hyst_show(struct device *dev, struct device_attribute *attr, if (sscanf(attr->attr.name, "trip_point_%d_hyst", &trip_id) != 1) return -EINVAL; - return sprintf(buf, "%d\n", tz->trips[trip_id].trip.hysteresis); + return sprintf(buf, "%d\n", READ_ONCE(tz->trips[trip_id].trip.hysteresis)); } static ssize_t diff --git a/drivers/thermal/thermal_trip.c b/drivers/thermal/thermal_trip.c index 49e63db68517..c0b679b846b3 100644 --- a/drivers/thermal/thermal_trip.c +++ b/drivers/thermal/thermal_trip.c @@ -9,6 +9,21 @@ */ #include "thermal_core.h" +static const char *trip_type_names[] = { + [THERMAL_TRIP_ACTIVE] = "active", + [THERMAL_TRIP_PASSIVE] = "passive", + [THERMAL_TRIP_HOT] = "hot", + [THERMAL_TRIP_CRITICAL] = "critical", +}; + +const char *thermal_trip_type_name(enum thermal_trip_type trip_type) +{ + if (trip_type < THERMAL_TRIP_ACTIVE || trip_type > THERMAL_TRIP_CRITICAL) + return "unknown"; + + return trip_type_names[trip_type]; +} + int for_each_thermal_trip(struct thermal_zone_device *tz, int (*cb)(struct thermal_trip *, void *), void *data) @@ -47,7 +62,7 @@ int thermal_zone_get_num_trips(struct thermal_zone_device *tz) EXPORT_SYMBOL_GPL(thermal_zone_get_num_trips); /** - * __thermal_zone_set_trips - Computes the next trip points for the driver + * thermal_zone_set_trips - Computes the next trip points for the driver * @tz: a pointer to a thermal zone device structure * * The function computes the next temperature boundaries by browsing @@ -61,7 +76,7 @@ EXPORT_SYMBOL_GPL(thermal_zone_get_num_trips); * * It does not return a value */ -void __thermal_zone_set_trips(struct thermal_zone_device *tz) +void thermal_zone_set_trips(struct thermal_zone_device *tz) { const struct thermal_trip_desc *td; int low = -INT_MAX, high = INT_MAX; @@ -73,17 +88,11 @@ void __thermal_zone_set_trips(struct thermal_zone_device *tz) return; for_each_trip_desc(tz, td) { - const struct thermal_trip *trip = &td->trip; - int trip_low; - - trip_low = trip->temperature - trip->hysteresis; + if (td->threshold < tz->temperature && td->threshold > low) + low = td->threshold; - if (trip_low < tz->temperature && trip_low > low) - low = trip_low; - - if (trip->temperature > tz->temperature && - trip->temperature < high) - high = trip->temperature; + if (td->threshold > tz->temperature && td->threshold < high) + high = td->threshold; } /* No need to change trip points */ @@ -105,27 +114,17 @@ void __thermal_zone_set_trips(struct thermal_zone_device *tz) dev_err(&tz->device, "Failed to set trips: %d\n", ret); } -int __thermal_zone_get_trip(struct thermal_zone_device *tz, int trip_id, - struct thermal_trip *trip) -{ - if (!tz || trip_id < 0 || trip_id >= tz->num_trips || !trip) - return -EINVAL; - - *trip = tz->trips[trip_id].trip; - return 0; -} -EXPORT_SYMBOL_GPL(__thermal_zone_get_trip); - int thermal_zone_get_trip(struct thermal_zone_device *tz, int trip_id, struct thermal_trip *trip) { - int ret; + if (!tz || !trip || trip_id < 0 || trip_id >= tz->num_trips) + return -EINVAL; mutex_lock(&tz->lock); - ret = __thermal_zone_get_trip(tz, trip_id, trip); + *trip = tz->trips[trip_id].trip; mutex_unlock(&tz->lock); - return ret; + return 0; } EXPORT_SYMBOL_GPL(thermal_zone_get_trip); @@ -152,7 +151,7 @@ void thermal_zone_set_trip_temp(struct thermal_zone_device *tz, if (trip->temperature == temp) return; - trip->temperature = temp; + WRITE_ONCE(trip->temperature, temp); thermal_notify_tz_trip_change(tz, trip); if (temp == THERMAL_TEMP_INVALID) { diff --git a/drivers/thermal/uniphier_thermal.c b/drivers/thermal/uniphier_thermal.c index 274f36358b21..0325b7195136 100644 --- a/drivers/thermal/uniphier_thermal.c +++ b/drivers/thermal/uniphier_thermal.c @@ -239,13 +239,34 @@ static irqreturn_t uniphier_tm_alarm_irq_thread(int irq, void *_tdev) return IRQ_HANDLED; } +struct trip_walk_data { + struct uniphier_tm_dev *tdev; + int crit_temp; + int index; +}; + +static int uniphier_tm_trip_walk_cb(struct thermal_trip *trip, void *arg) +{ + struct trip_walk_data *twd = arg; + + if (trip->type == THERMAL_TRIP_CRITICAL && + trip->temperature < twd->crit_temp) + twd->crit_temp = trip->temperature; + + uniphier_tm_set_alert(twd->tdev, twd->index, trip->temperature); + twd->tdev->alert_en[twd->index++] = true; + + return 0; +} + static int uniphier_tm_probe(struct platform_device *pdev) { + struct trip_walk_data twd = { .crit_temp = INT_MAX, .index = 0 }; struct device *dev = &pdev->dev; struct regmap *regmap; struct device_node *parent; struct uniphier_tm_dev *tdev; - int i, ret, irq, crit_temp = INT_MAX; + int ret, irq; tdev = devm_kzalloc(dev, sizeof(*tdev), GFP_KERNEL); if (!tdev) @@ -293,20 +314,10 @@ static int uniphier_tm_probe(struct platform_device *pdev) } /* set alert temperatures */ - for (i = 0; i < thermal_zone_get_num_trips(tdev->tz_dev); i++) { - struct thermal_trip trip; + twd.tdev = tdev; + thermal_zone_for_each_trip(tdev->tz_dev, uniphier_tm_trip_walk_cb, &twd); - ret = thermal_zone_get_trip(tdev->tz_dev, i, &trip); - if (ret) - return ret; - - if (trip.type == THERMAL_TRIP_CRITICAL && - trip.temperature < crit_temp) - crit_temp = trip.temperature; - uniphier_tm_set_alert(tdev, i, trip.temperature); - tdev->alert_en[i] = true; - } - if (crit_temp > CRITICAL_TEMP_LIMIT) { + if (twd.crit_temp > CRITICAL_TEMP_LIMIT) { dev_err(dev, "critical trip is over limit(>%d), or not set\n", CRITICAL_TEMP_LIMIT); return -EINVAL; |