diff options
Diffstat (limited to 'kernel/drivers/thermal/int340x_thermal')
4 files changed, 70 insertions, 13 deletions
diff --git a/kernel/drivers/thermal/int340x_thermal/int3400_thermal.c b/kernel/drivers/thermal/int340x_thermal/int3400_thermal.c index 031018e7a..5836e5554 100644 --- a/kernel/drivers/thermal/int340x_thermal/int3400_thermal.c +++ b/kernel/drivers/thermal/int340x_thermal/int3400_thermal.c @@ -186,7 +186,7 @@ static int int3400_thermal_run_osc(acpi_handle handle, } static int int3400_thermal_get_temp(struct thermal_zone_device *thermal, - unsigned long *temp) + int *temp) { *temp = 20 * 1000; /* faked temp sensor with 20C */ return 0; diff --git a/kernel/drivers/thermal/int340x_thermal/int340x_thermal_zone.c b/kernel/drivers/thermal/int340x_thermal/int340x_thermal_zone.c index 1e25133d3..b9b2666aa 100644 --- a/kernel/drivers/thermal/int340x_thermal/int340x_thermal_zone.c +++ b/kernel/drivers/thermal/int340x_thermal/int340x_thermal_zone.c @@ -20,7 +20,7 @@ #include "int340x_thermal_zone.h" static int int340x_thermal_get_zone_temp(struct thermal_zone_device *zone, - unsigned long *temp) + int *temp) { struct int34x_thermal_zone *d = zone->devdata; unsigned long long tmp; @@ -49,7 +49,7 @@ static int int340x_thermal_get_zone_temp(struct thermal_zone_device *zone, } static int int340x_thermal_get_trip_temp(struct thermal_zone_device *zone, - int trip, unsigned long *temp) + int trip, int *temp) { struct int34x_thermal_zone *d = zone->devdata; int i; @@ -114,7 +114,7 @@ static int int340x_thermal_get_trip_type(struct thermal_zone_device *zone, } static int int340x_thermal_set_trip_temp(struct thermal_zone_device *zone, - int trip, unsigned long temp) + int trip, int temp) { struct int34x_thermal_zone *d = zone->devdata; acpi_status status; @@ -136,7 +136,7 @@ static int int340x_thermal_set_trip_temp(struct thermal_zone_device *zone, static int int340x_thermal_get_trip_hyst(struct thermal_zone_device *zone, - int trip, unsigned long *temp) + int trip, int *temp) { struct int34x_thermal_zone *d = zone->devdata; acpi_status status; @@ -163,7 +163,7 @@ static struct thermal_zone_device_ops int340x_thermal_zone_ops = { }; static int int340x_thermal_get_trip_config(acpi_handle handle, char *name, - unsigned long *temp) + int *temp) { unsigned long long r; acpi_status status; diff --git a/kernel/drivers/thermal/int340x_thermal/int340x_thermal_zone.h b/kernel/drivers/thermal/int340x_thermal/int340x_thermal_zone.h index 9f38ab72c..aaadf724f 100644 --- a/kernel/drivers/thermal/int340x_thermal/int340x_thermal_zone.h +++ b/kernel/drivers/thermal/int340x_thermal/int340x_thermal_zone.h @@ -21,7 +21,7 @@ #define INT340X_THERMAL_MAX_ACT_TRIP_COUNT 10 struct active_trip { - unsigned long temp; + int temp; int id; bool valid; }; @@ -31,11 +31,11 @@ struct int34x_thermal_zone { struct active_trip act_trips[INT340X_THERMAL_MAX_ACT_TRIP_COUNT]; unsigned long *aux_trips; int aux_trip_nr; - unsigned long psv_temp; + int psv_temp; int psv_trip_id; - unsigned long crt_temp; + int crt_temp; int crt_trip_id; - unsigned long hot_temp; + int hot_temp; int hot_trip_id; struct thermal_zone_device *zone; struct thermal_zone_device_ops *override_ops; diff --git a/kernel/drivers/thermal/int340x_thermal/processor_thermal_device.c b/kernel/drivers/thermal/int340x_thermal/processor_thermal_device.c index 5e8d8e91e..ccc0ad02d 100644 --- a/kernel/drivers/thermal/int340x_thermal/processor_thermal_device.c +++ b/kernel/drivers/thermal/int340x_thermal/processor_thermal_device.c @@ -16,15 +16,20 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/pci.h> +#include <linux/interrupt.h> #include <linux/platform_device.h> #include <linux/acpi.h> #include <linux/thermal.h> #include "int340x_thermal_zone.h" +#include "../intel_soc_dts_iosf.h" /* Broadwell-U/HSB thermal reporting device */ #define PCI_DEVICE_ID_PROC_BDW_THERMAL 0x1603 #define PCI_DEVICE_ID_PROC_HSB_THERMAL 0x0A03 +/* Skylake thermal reporting device */ +#define PCI_DEVICE_ID_PROC_SKL_THERMAL 0x1903 + /* Braswell thermal reporting device */ #define PCI_DEVICE_ID_PROC_BSW_THERMAL 0x22DC @@ -42,6 +47,7 @@ struct proc_thermal_device { struct acpi_device *adev; struct power_config power_limits[2]; struct int34x_thermal_zone *int340x_zone; + struct intel_soc_dts_sensors *soc_dts; }; enum proc_thermal_emum_mode_type { @@ -139,7 +145,7 @@ static int get_tjmax(void) return -EINVAL; } -static int read_temp_msr(unsigned long *temp) +static int read_temp_msr(int *temp) { int cpu; u32 eax, edx; @@ -171,7 +177,7 @@ err_ret: } static int proc_thermal_get_zone_temp(struct thermal_zone_device *zone, - unsigned long *temp) + int *temp) { int ret; @@ -308,6 +314,18 @@ static int int3401_remove(struct platform_device *pdev) return 0; } +static irqreturn_t proc_thermal_pci_msi_irq(int irq, void *devid) +{ + struct proc_thermal_device *proc_priv; + struct pci_dev *pdev = devid; + + proc_priv = pci_get_drvdata(pdev); + + intel_soc_dts_iosf_interrupt_handler(proc_priv->soc_dts); + + return IRQ_HANDLED; +} + static int proc_thermal_pci_probe(struct pci_dev *pdev, const struct pci_device_id *unused) { @@ -334,18 +352,57 @@ static int proc_thermal_pci_probe(struct pci_dev *pdev, pci_set_drvdata(pdev, proc_priv); proc_thermal_emum_mode = PROC_THERMAL_PCI; + if (pdev->device == PCI_DEVICE_ID_PROC_BSW_THERMAL) { + /* + * Enumerate additional DTS sensors available via IOSF. + * But we are not treating as a failure condition, if + * there are no aux DTSs enabled or fails. This driver + * already exposes sensors, which can be accessed via + * ACPI/MSR. So we don't want to fail for auxiliary DTSs. + */ + proc_priv->soc_dts = intel_soc_dts_iosf_init( + INTEL_SOC_DTS_INTERRUPT_MSI, 2, 0); + + if (proc_priv->soc_dts && pdev->irq) { + ret = pci_enable_msi(pdev); + if (!ret) { + ret = request_threaded_irq(pdev->irq, NULL, + proc_thermal_pci_msi_irq, + IRQF_ONESHOT, "proc_thermal", + pdev); + if (ret) { + intel_soc_dts_iosf_exit( + proc_priv->soc_dts); + pci_disable_msi(pdev); + proc_priv->soc_dts = NULL; + } + } + } else + dev_err(&pdev->dev, "No auxiliary DTSs enabled\n"); + } + return 0; } static void proc_thermal_pci_remove(struct pci_dev *pdev) { - proc_thermal_remove(pci_get_drvdata(pdev)); + struct proc_thermal_device *proc_priv = pci_get_drvdata(pdev); + + if (proc_priv->soc_dts) { + intel_soc_dts_iosf_exit(proc_priv->soc_dts); + if (pdev->irq) { + free_irq(pdev->irq, pdev); + pci_disable_msi(pdev); + } + } + proc_thermal_remove(proc_priv); pci_disable_device(pdev); } static const struct pci_device_id proc_thermal_pci_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PROC_BDW_THERMAL)}, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PROC_HSB_THERMAL)}, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PROC_SKL_THERMAL)}, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PROC_BSW_THERMAL)}, { 0, }, }; |