diff options
Diffstat (limited to 'target/linux/ipq806x/patches-4.9/0063-2-tsens-support-configurable-interrupts.patch')
-rw-r--r-- | target/linux/ipq806x/patches-4.9/0063-2-tsens-support-configurable-interrupts.patch | 462 |
1 files changed, 0 insertions, 462 deletions
diff --git a/target/linux/ipq806x/patches-4.9/0063-2-tsens-support-configurable-interrupts.patch b/target/linux/ipq806x/patches-4.9/0063-2-tsens-support-configurable-interrupts.patch deleted file mode 100644 index ca98970498..0000000000 --- a/target/linux/ipq806x/patches-4.9/0063-2-tsens-support-configurable-interrupts.patch +++ /dev/null @@ -1,462 +0,0 @@ -From 4e87400732c77765afae2ea89ed43837457aa604 Mon Sep 17 00:00:00 2001 -From: Rajith Cherian <rajith@codeaurora.org> -Date: Wed, 1 Feb 2017 19:00:26 +0530 -Subject: [PATCH] ipq8064: tsens: Support for configurable interrupts - -Provide support for adding configurable high and -configurable low trip temperatures. An interrupts is -also triggerred when these trip points are hit. The -interrupts can be activated or deactivated from sysfs. -This functionality is made available only if -CONFIG_THERMAL_WRITABLE_TRIPS is defined. - -Change-Id: Ib73f3f9459de4fffce7bb985a0312a88291f4934 -Signed-off-by: Rajith Cherian <rajith@codeaurora.org> ---- - .../devicetree/bindings/thermal/qcom-tsens.txt | 4 ++ - drivers/thermal/of-thermal.c | 63 ++++++++++++++++++---- - drivers/thermal/qcom/tsens.c | 43 ++++++++++++--- - drivers/thermal/qcom/tsens.h | 11 ++++ - drivers/thermal/thermal_core.c | 44 ++++++++++++++- - include/linux/thermal.h | 14 +++++ - 6 files changed, 162 insertions(+), 17 deletions(-) - ---- a/Documentation/devicetree/bindings/thermal/qcom-tsens.txt -+++ b/Documentation/devicetree/bindings/thermal/qcom-tsens.txt -@@ -12,11 +12,15 @@ Required properties: - - Refer to Documentation/devicetree/bindings/nvmem/nvmem.txt to know how to specify - nvmem cells - -+Optional properties: -+- interrupts: Interrupt which gets triggered when threshold is hit -+ - Example: - tsens: thermal-sensor@900000 { - compatible = "qcom,msm8916-tsens"; - reg = <0x4a8000 0x2000>; - nvmem-cells = <&tsens_caldata>, <&tsens_calsel>; - nvmem-cell-names = "caldata", "calsel"; -+ interrupts = <0 178 0>; - #thermal-sensor-cells = <1>; - }; ---- a/drivers/thermal/of-thermal.c -+++ b/drivers/thermal/of-thermal.c -@@ -95,7 +95,7 @@ static int of_thermal_get_temp(struct th - { - struct __thermal_zone *data = tz->devdata; - -- if (!data->ops->get_temp) -+ if (!data->ops->get_temp || (data->mode == THERMAL_DEVICE_DISABLED)) - return -EINVAL; - - return data->ops->get_temp(data->sensor_data, temp); -@@ -106,7 +106,8 @@ static int of_thermal_set_trips(struct t - { - struct __thermal_zone *data = tz->devdata; - -- if (!data->ops || !data->ops->set_trips) -+ if (!data->ops || !data->ops->set_trips -+ || (data->mode == THERMAL_DEVICE_DISABLED)) - return -EINVAL; - - return data->ops->set_trips(data->sensor_data, low, high); -@@ -192,6 +193,9 @@ static int of_thermal_set_emul_temp(stru - { - struct __thermal_zone *data = tz->devdata; - -+ if (data->mode == THERMAL_DEVICE_DISABLED) -+ return -EINVAL; -+ - return data->ops->set_emul_temp(data->sensor_data, temp); - } - -@@ -200,7 +204,7 @@ static int of_thermal_get_trend(struct t - { - struct __thermal_zone *data = tz->devdata; - -- if (!data->ops->get_trend) -+ if (!data->ops->get_trend || (data->mode == THERMAL_DEVICE_DISABLED)) - return -EINVAL; - - return data->ops->get_trend(data->sensor_data, trip, trend); -@@ -286,7 +290,9 @@ static int of_thermal_set_mode(struct th - mutex_unlock(&tz->lock); - - data->mode = mode; -- thermal_zone_device_update(tz, THERMAL_EVENT_UNSPECIFIED); -+ -+ if (mode == THERMAL_DEVICE_ENABLED) -+ thermal_zone_device_update(tz, THERMAL_EVENT_UNSPECIFIED); - - return 0; - } -@@ -296,7 +302,8 @@ static int of_thermal_get_trip_type(stru - { - struct __thermal_zone *data = tz->devdata; - -- if (trip >= data->ntrips || trip < 0) -+ if (trip >= data->ntrips || trip < 0 -+ || (data->mode == THERMAL_DEVICE_DISABLED)) - return -EDOM; - - *type = data->trips[trip].type; -@@ -304,12 +311,39 @@ static int of_thermal_get_trip_type(stru - return 0; - } - -+static int of_thermal_activate_trip_type(struct thermal_zone_device *tz, -+ int trip, enum thermal_trip_activation_mode mode) -+{ -+ struct __thermal_zone *data = tz->devdata; -+ -+ if (trip >= data->ntrips || trip < 0 -+ || (data->mode == THERMAL_DEVICE_DISABLED)) -+ return -EDOM; -+ -+ /* -+ * The configurable_hi and configurable_lo trip points can be -+ * activated and deactivated. -+ */ -+ -+ if (data->ops->set_trip_activate) { -+ int ret; -+ -+ ret = data->ops->set_trip_activate(data->sensor_data, -+ trip, mode); -+ if (ret) -+ return ret; -+ } -+ -+ return 0; -+} -+ - static int of_thermal_get_trip_temp(struct thermal_zone_device *tz, int trip, - int *temp) - { - struct __thermal_zone *data = tz->devdata; - -- if (trip >= data->ntrips || trip < 0) -+ if (trip >= data->ntrips || trip < 0 -+ || (data->mode == THERMAL_DEVICE_DISABLED)) - return -EDOM; - - *temp = data->trips[trip].temperature; -@@ -322,7 +356,8 @@ static int of_thermal_set_trip_temp(stru - { - struct __thermal_zone *data = tz->devdata; - -- if (trip >= data->ntrips || trip < 0) -+ if (trip >= data->ntrips || trip < 0 -+ || (data->mode == THERMAL_DEVICE_DISABLED)) - return -EDOM; - - if (data->ops->set_trip_temp) { -@@ -344,7 +379,8 @@ static int of_thermal_get_trip_hyst(stru - { - struct __thermal_zone *data = tz->devdata; - -- if (trip >= data->ntrips || trip < 0) -+ if (trip >= data->ntrips || trip < 0 -+ || (data->mode == THERMAL_DEVICE_DISABLED)) - return -EDOM; - - *hyst = data->trips[trip].hysteresis; -@@ -357,7 +393,8 @@ static int of_thermal_set_trip_hyst(stru - { - struct __thermal_zone *data = tz->devdata; - -- if (trip >= data->ntrips || trip < 0) -+ if (trip >= data->ntrips || trip < 0 -+ || (data->mode == THERMAL_DEVICE_DISABLED)) - return -EDOM; - - /* thermal framework should take care of data->mask & (1 << trip) */ -@@ -432,6 +469,9 @@ thermal_zone_of_add_sensor(struct device - if (ops->set_emul_temp) - tzd->ops->set_emul_temp = of_thermal_set_emul_temp; - -+ if (ops->set_trip_activate) -+ tzd->ops->set_trip_activate = of_thermal_activate_trip_type; -+ - mutex_unlock(&tzd->lock); - - return tzd; -@@ -726,7 +766,10 @@ static const char * const trip_types[] = - [THERMAL_TRIP_ACTIVE] = "active", - [THERMAL_TRIP_PASSIVE] = "passive", - [THERMAL_TRIP_HOT] = "hot", -- [THERMAL_TRIP_CRITICAL] = "critical", -+ [THERMAL_TRIP_CRITICAL] = "critical_high", -+ [THERMAL_TRIP_CONFIGURABLE_HI] = "configurable_hi", -+ [THERMAL_TRIP_CONFIGURABLE_LOW] = "configurable_lo", -+ [THERMAL_TRIP_CRITICAL_LOW] = "critical_low", - }; - - /** ---- a/drivers/thermal/qcom/tsens.c -+++ b/drivers/thermal/qcom/tsens.c -@@ -31,7 +31,7 @@ static int tsens_get_temp(void *data, in - - static int tsens_get_trend(void *p, int trip, enum thermal_trend *trend) - { -- const struct tsens_sensor *s = p; -+ struct tsens_sensor *s = p; - struct tsens_device *tmdev = s->tmdev; - - if (tmdev->ops->get_trend) -@@ -40,9 +40,10 @@ static int tsens_get_trend(void *p, int - return -ENOTSUPP; - } - --static int __maybe_unused tsens_suspend(struct device *dev) -+static int __maybe_unused tsens_suspend(void *data) - { -- struct tsens_device *tmdev = dev_get_drvdata(dev); -+ struct tsens_sensor *s = data; -+ struct tsens_device *tmdev = s->tmdev; - - if (tmdev->ops && tmdev->ops->suspend) - return tmdev->ops->suspend(tmdev); -@@ -50,9 +51,10 @@ static int __maybe_unused tsens_suspend - return 0; - } - --static int __maybe_unused tsens_resume(struct device *dev) -+static int __maybe_unused tsens_resume(void *data) - { -- struct tsens_device *tmdev = dev_get_drvdata(dev); -+ struct tsens_sensor *s = data; -+ struct tsens_device *tmdev = s->tmdev; - - if (tmdev->ops && tmdev->ops->resume) - return tmdev->ops->resume(tmdev); -@@ -60,6 +62,30 @@ static int __maybe_unused tsens_resume(s - return 0; - } - -+static int __maybe_unused tsens_set_trip_temp(void *data, int trip, int temp) -+{ -+ struct tsens_sensor *s = data; -+ struct tsens_device *tmdev = s->tmdev; -+ -+ if (tmdev->ops && tmdev->ops->set_trip_temp) -+ return tmdev->ops->set_trip_temp(s, trip, temp); -+ -+ return 0; -+} -+ -+static int __maybe_unused tsens_activate_trip_type(void *data, int trip, -+ enum thermal_trip_activation_mode mode) -+{ -+ struct tsens_sensor *s = data; -+ struct tsens_device *tmdev = s->tmdev; -+ -+ if (tmdev->ops && tmdev->ops->set_trip_activate) -+ return tmdev->ops->set_trip_activate(s, trip, mode); -+ -+ return 0; -+} -+ -+ - static SIMPLE_DEV_PM_OPS(tsens_pm_ops, tsens_suspend, tsens_resume); - - static const struct of_device_id tsens_table[] = { -@@ -83,6 +109,8 @@ MODULE_DEVICE_TABLE(of, tsens_table); - static const struct thermal_zone_of_device_ops tsens_of_ops = { - .get_temp = tsens_get_temp, - .get_trend = tsens_get_trend, -+ .set_trip_temp = tsens_set_trip_temp, -+ .set_trip_activate = tsens_activate_trip_type, - }; - - static int tsens_register(struct tsens_device *tmdev) -@@ -131,7 +159,7 @@ static int tsens_probe(struct platform_d - if (id) - data = id->data; - else -- data = &data_8960; -+ return -EINVAL; - - if (data->num_sensors <= 0) { - dev_err(dev, "invalid number of sensors\n"); -@@ -146,6 +174,9 @@ static int tsens_probe(struct platform_d - tmdev->dev = dev; - tmdev->num_sensors = data->num_sensors; - tmdev->ops = data->ops; -+ -+ tmdev->tsens_irq = platform_get_irq(pdev, 0); -+ - for (i = 0; i < tmdev->num_sensors; i++) { - if (data->hw_ids) - tmdev->sensor[i].hw_id = data->hw_ids[i]; ---- a/drivers/thermal/qcom/tsens.h -+++ b/drivers/thermal/qcom/tsens.h -@@ -24,9 +24,12 @@ struct tsens_device; - struct tsens_sensor { - struct tsens_device *tmdev; - struct thermal_zone_device *tzd; -+ struct work_struct notify_work; - int offset; - int id; - int hw_id; -+ int calib_data; -+ int calib_data_backup; - int slope; - u32 status; - }; -@@ -41,6 +44,9 @@ struct tsens_sensor { - * @suspend: Function to suspend the tsens device - * @resume: Function to resume the tsens device - * @get_trend: Function to get the thermal/temp trend -+ * @set_trip_temp: Function to set trip temp -+ * @get_trip_temp: Function to get trip temp -+ * @set_trip_activate: Function to activate trip points - */ - struct tsens_ops { - /* mandatory callbacks */ -@@ -53,6 +59,9 @@ struct tsens_ops { - int (*suspend)(struct tsens_device *); - int (*resume)(struct tsens_device *); - int (*get_trend)(struct tsens_device *, int, enum thermal_trend *); -+ int (*set_trip_temp)(void *, int, int); -+ int (*set_trip_activate)(void *, int, -+ enum thermal_trip_activation_mode); - }; - - /** -@@ -76,11 +85,13 @@ struct tsens_context { - struct tsens_device { - struct device *dev; - u32 num_sensors; -+ u32 tsens_irq; - struct regmap *map; - struct regmap_field *status_field; - struct tsens_context ctx; - bool trdy; - const struct tsens_ops *ops; -+ struct work_struct tsens_work; - struct tsens_sensor sensor[0]; - }; - ---- a/drivers/thermal/thermal_core.c -+++ b/drivers/thermal/thermal_core.c -@@ -732,12 +732,48 @@ trip_point_type_show(struct device *dev, - return sprintf(buf, "passive\n"); - case THERMAL_TRIP_ACTIVE: - return sprintf(buf, "active\n"); -+ case THERMAL_TRIP_CONFIGURABLE_HI: -+ return sprintf(buf, "configurable_hi\n"); -+ case THERMAL_TRIP_CONFIGURABLE_LOW: -+ return sprintf(buf, "configurable_low\n"); -+ case THERMAL_TRIP_CRITICAL_LOW: -+ return sprintf(buf, "critical_low\n"); - default: - return sprintf(buf, "unknown\n"); - } - } - - static ssize_t -+trip_point_type_activate(struct device *dev, struct device_attribute *attr, -+ const char *buf, size_t count) -+{ -+ struct thermal_zone_device *tz = to_thermal_zone(dev); -+ int trip, ret; -+ char *enabled = "enabled"; -+ char *disabled = "disabled"; -+ -+ if (!tz->ops->set_trip_activate) -+ return -EPERM; -+ -+ if (!sscanf(attr->attr.name, "trip_point_%d_type", &trip)) -+ return -EINVAL; -+ -+ if (!strncmp(buf, enabled, strlen(enabled))) -+ ret = tz->ops->set_trip_activate(tz, trip, -+ THERMAL_TRIP_ACTIVATION_ENABLED); -+ else if (!strncmp(buf, disabled, strlen(disabled))) -+ ret = tz->ops->set_trip_activate(tz, trip, -+ THERMAL_TRIP_ACTIVATION_DISABLED); -+ else -+ ret = -EINVAL; -+ -+ if (ret) -+ return ret; -+ -+ return count; -+} -+ -+static ssize_t - trip_point_temp_store(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) - { -@@ -1321,7 +1357,7 @@ thermal_cooling_device_weight_store(stru - */ - int thermal_zone_bind_cooling_device(struct thermal_zone_device *tz, - int trip, -- struct thermal_cooling_device *cdev, -+ struct thermal_cooling_device *cdev, - unsigned long upper, unsigned long lower, - unsigned int weight) - { -@@ -1772,6 +1808,12 @@ static int create_trip_attrs(struct ther - tz->trip_type_attrs[indx].attr.attr.mode = S_IRUGO; - tz->trip_type_attrs[indx].attr.show = trip_point_type_show; - -+ if (IS_ENABLED(CONFIG_THERMAL_WRITABLE_TRIPS)) { -+ tz->trip_type_attrs[indx].attr.store -+ = trip_point_type_activate; -+ tz->trip_type_attrs[indx].attr.attr.mode |= S_IWUSR; -+ } -+ - device_create_file(&tz->device, - &tz->trip_type_attrs[indx].attr); - ---- a/include/linux/thermal.h -+++ b/include/linux/thermal.h -@@ -77,11 +77,19 @@ enum thermal_device_mode { - THERMAL_DEVICE_ENABLED, - }; - -+enum thermal_trip_activation_mode { -+ THERMAL_TRIP_ACTIVATION_DISABLED = 0, -+ THERMAL_TRIP_ACTIVATION_ENABLED, -+}; -+ - enum thermal_trip_type { - THERMAL_TRIP_ACTIVE = 0, - THERMAL_TRIP_PASSIVE, - THERMAL_TRIP_HOT, - THERMAL_TRIP_CRITICAL, -+ THERMAL_TRIP_CONFIGURABLE_HI, -+ THERMAL_TRIP_CONFIGURABLE_LOW, -+ THERMAL_TRIP_CRITICAL_LOW, - }; - - enum thermal_trend { -@@ -118,6 +126,8 @@ struct thermal_zone_device_ops { - enum thermal_trip_type *); - int (*get_trip_temp) (struct thermal_zone_device *, int, int *); - int (*set_trip_temp) (struct thermal_zone_device *, int, int); -+ int (*set_trip_activate) (struct thermal_zone_device *, int, -+ enum thermal_trip_activation_mode); - int (*get_trip_hyst) (struct thermal_zone_device *, int, int *); - int (*set_trip_hyst) (struct thermal_zone_device *, int, int); - int (*get_crit_temp) (struct thermal_zone_device *, int *); -@@ -360,6 +370,8 @@ struct thermal_genl_event { - * temperature. - * @set_trip_temp: a pointer to a function that sets the trip temperature on - * hardware. -+ * @activate_trip_type: a pointer to a function to enable/disable trip -+ * temperature interrupts - */ - struct thermal_zone_of_device_ops { - int (*get_temp)(void *, int *); -@@ -367,6 +379,8 @@ struct thermal_zone_of_device_ops { - int (*set_trips)(void *, int, int); - int (*set_emul_temp)(void *, int); - int (*set_trip_temp)(void *, int, int); -+ int (*set_trip_activate)(void *, int, -+ enum thermal_trip_activation_mode); - }; - - /** |