#include <linux/io.h>
#include <linux/i2c.h>
#include <linux/platform_data/i2c-nomadik.h>
+ #include <linux/platform_data/db8500_thermal.h>
#include <linux/gpio.h>
#include <linux/amba/bus.h>
#include <linux/amba/pl022.h>
#include <linux/of_platform.h>
#include <linux/leds.h>
#include <linux/pinctrl/consumer.h>
+#include <linux/platform_data/pinctrl-nomadik.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/hardware/gic.h>
#include <plat/ste_dma40.h>
-#include <plat/gpio-nomadik.h>
#include <mach/hardware.h>
#include <mach/setup.h>
.codec = &ab8500_codec_pdata,
};
+ /*
+ * Thermal Sensor
+ */
+
+ static struct resource db8500_thsens_resources[] = {
+ {
+ .name = "IRQ_HOTMON_LOW",
+ .start = IRQ_PRCMU_HOTMON_LOW,
+ .end = IRQ_PRCMU_HOTMON_LOW,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "IRQ_HOTMON_HIGH",
+ .start = IRQ_PRCMU_HOTMON_HIGH,
+ .end = IRQ_PRCMU_HOTMON_HIGH,
+ .flags = IORESOURCE_IRQ,
+ },
+ };
+
+ static struct db8500_thsens_platform_data db8500_thsens_data = {
+ .trip_points[0] = {
+ .temp = 70000,
+ .type = THERMAL_TRIP_ACTIVE,
+ .cdev_name = {
+ [0] = "thermal-cpufreq-0",
+ },
+ },
+ .trip_points[1] = {
+ .temp = 75000,
+ .type = THERMAL_TRIP_ACTIVE,
+ .cdev_name = {
+ [0] = "thermal-cpufreq-0",
+ },
+ },
+ .trip_points[2] = {
+ .temp = 80000,
+ .type = THERMAL_TRIP_ACTIVE,
+ .cdev_name = {
+ [0] = "thermal-cpufreq-0",
+ },
+ },
+ .trip_points[3] = {
+ .temp = 85000,
+ .type = THERMAL_TRIP_CRITICAL,
+ },
+ .num_trips = 4,
+ };
+
+ static struct platform_device u8500_thsens_device = {
+ .name = "db8500-thermal",
+ .resource = db8500_thsens_resources,
+ .num_resources = ARRAY_SIZE(db8500_thsens_resources),
+ .dev = {
+ .platform_data = &db8500_thsens_data,
+ },
+ };
+
+ static struct platform_device u8500_cpufreq_cooling_device = {
+ .name = "db8500-cpufreq-cooling",
+ };
+
/*
* TPS61052
*/
&snowball_key_dev,
&snowball_sbnet_dev,
&snowball_gpio_en_3v3_regulator_dev,
+ &u8500_thsens_device,
+ &u8500_cpufreq_cooling_device,
};
static void __init mop500_init_machine(void)
if (tz->trips.passive.flags.valid)
tz->thermal_zone =
thermal_zone_device_register("acpitz", trips, 0, tz,
- &acpi_thermal_zone_ops,
+ &acpi_thermal_zone_ops, NULL,
tz->trips.passive.tsp*100,
tz->polling_frequency*100);
else
tz->thermal_zone =
thermal_zone_device_register("acpitz", trips, 0, tz,
- &acpi_thermal_zone_ops, 0,
- tz->polling_frequency*100);
+ &acpi_thermal_zone_ops, NULL,
+ 0, tz->polling_frequency*100);
if (IS_ERR(tz->thermal_zone))
return -ENODEV;
}
}
+/*
+ * On some platforms, the AML code has dependency about
+ * the evaluating order of _TMP and _CRT/_HOT/_PSV/_ACx.
+ * 1. On HP Pavilion G4-1016tx, _TMP must be invoked after
+ * /_CRT/_HOT/_PSV/_ACx, or else system will be power off.
+ * 2. On HP Compaq 6715b/6715s, the return value of _PSV is 0
+ * if _TMP has never been evaluated.
+ *
+ * As this dependency is totally transparent to OS, evaluate
+ * all of them once, in the order of _CRT/_HOT/_PSV/_ACx,
+ * _TMP, before they are actually used.
+ */
+static void acpi_thermal_aml_dependency_fix(struct acpi_thermal *tz)
+{
+ acpi_handle handle = tz->device->handle;
+ unsigned long long value;
+ int i;
+
+ acpi_evaluate_integer(handle, "_CRT", NULL, &value);
+ acpi_evaluate_integer(handle, "_HOT", NULL, &value);
+ acpi_evaluate_integer(handle, "_PSV", NULL, &value);
+ for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) {
+ char name[5] = { '_', 'A', 'C', ('0' + i), '\0' };
+ acpi_status status;
+
+ status = acpi_evaluate_integer(handle, name, NULL, &value);
+ if (status == AE_NOT_FOUND)
+ break;
+ }
+ acpi_evaluate_integer(handle, "_TMP", NULL, &value);
+}
+
static int acpi_thermal_get_info(struct acpi_thermal *tz)
{
int result = 0;
if (!tz)
return -EINVAL;
+ acpi_thermal_aml_dependency_fix(tz);
+
/* Get trip points [_CRT, _PSV, etc.] (required) */
result = acpi_thermal_get_trip_points(tz);
if (result)
#include <linux/workqueue.h>
#include <linux/thermal.h>
#include <linux/cpufreq.h>
+#include <linux/cpumask.h>
#include <linux/cpu_cooling.h>
#include "omap-thermal.h"
struct thermal_cooling_device *cdev)
{
struct omap_thermal_data *data = thermal->devdata;
- int max, id;
+ int id;
if (IS_ERR_OR_NULL(data))
return -ENODEV;
return 0;
id = data->sensor_id;
- max = data->bg_ptr->conf->sensors[id].cooling_data.freq_clip_count;
/* TODO: bind with min and max states */
/* Simple thing, two trips, one passive another critical */
int omap_thermal_expose_sensor(struct omap_bandgap *bg_ptr, int id,
char *domain)
{
- struct omap_thermal_pdata pdata;
+ struct omap_thermal_data *data;
data = omap_bandgap_get_sensor_data(bg_ptr, id);
if (!data)
- data = omap_thermal_build_pdata(bg_ptr, id);
+ data = omap_thermal_build_data(bg_ptr, id);
if (!data)
return -EINVAL;
/* Create thermal zone */
data->omap_thermal = thermal_zone_device_register(domain,
OMAP_TRIP_NUMBER, 0, data, &omap_thermal_ops,
- FAST_TEMP_MONITORING_RATE,
+ NULL, FAST_TEMP_MONITORING_RATE,
FAST_TEMP_MONITORING_RATE);
if (IS_ERR_OR_NULL(data->omap_thermal)) {
dev_err(bg_ptr->dev, "thermal zone device is NULL\n");
return 0;
}
-static int omap_thermal_build_cpufreq_clip(struct omap_bandgap *bg_ptr,
- struct freq_clip_table **tab_ptr,
- int *tab_size)
-{
- struct cpufreq_frequency_table *freq_table;
- struct freq_clip_table *tab;
- int i, count = 0;
-
- freq_table = cpufreq_frequency_get_table(0);
- if (IS_ERR_OR_NULL(freq_table)) {
- dev_err(bg_ptr->dev,
- "%s: failed to get cpufreq table (%p)\n",
- __func__, freq_table);
- return -EINVAL;
- }
-
- for (i = 0; freq_table[i].frequency != CPUFREQ_TABLE_END; i++) {
- unsigned int freq = freq_table[i].frequency;
- if (freq == CPUFREQ_ENTRY_INVALID)
- continue;
- count++;
- }
-
- tab = devm_kzalloc(bg_ptr->dev, sizeof(*tab) * count, GFP_KERNEL);
- if (!tab) {
- dev_err(bg_ptr->dev,
- "%s: no memory available\n", __func__);
- return -ENOMEM;
- }
-
- for (i = 0; freq_table[i].frequency != CPUFREQ_TABLE_END; i++) {
- unsigned int freq = freq_table[i].frequency;
-
- if (freq == CPUFREQ_ENTRY_INVALID)
- continue;
-
- tab[count - i - 1].freq_clip_max = freq;
- tab[count - i - 1].temp_level = OMAP_TRIP_HOT;
- tab[count - i - 1].mask_val = cpumask_of(0);
- }
-
- *tab_ptr = tab;
- *tab_size = count;
-
- return 0;
-}
-
int omap_thermal_register_cpu_cooling(struct omap_bandgap *bg_ptr, int id)
{
struct omap_thermal_data *data;
- struct freq_clip_table *tab_ptr;
- int tab_size, ret;
data = omap_bandgap_get_sensor_data(bg_ptr, id);
if (!data)
- data = omap_thermal_build_pdata(bg_ptr, id);
+ data = omap_thermal_build_data(bg_ptr, id);
if (!data)
return -EINVAL;
- ret = omap_thermal_build_cpufreq_clip(bg_ptr, &tab_ptr, &tab_size);
- if (ret < 0) {
- dev_err(bg_ptr->dev,
- "%s: failed to build cpufreq clip table\n", __func__);
- return ret;
- }
-
/* Register cooling device */
- data->cool_dev = cpufreq_cooling_register(tab_ptr, tab_size);
+ data->cool_dev = cpufreq_cooling_register(cpu_present_mask);
if (IS_ERR_OR_NULL(data->cool_dev)) {
dev_err(bg_ptr->dev,
"Failed to register cpufreq cooling device\n");
return PTR_ERR(data->cool_dev);
}
- bg_ptr->conf->sensors[id].cooling_data.freq_clip_count = tab_size;
omap_bandgap_set_sensor_data(bg_ptr, id, data);
return 0;
git.openpandora.org / pandora-kernel.git / commitdiff