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-rw-r--r--drivers/thermal/Kconfig2
-rw-r--r--drivers/thermal/imx_thermal.c56
-rw-r--r--drivers/thermal/int340x_thermal/processor_thermal_device.c10
-rw-r--r--drivers/thermal/intel_pch_thermal.c2
-rw-r--r--drivers/thermal/intel_quark_dts_thermal.c61
-rw-r--r--drivers/thermal/intel_soc_dts_iosf.c43
-rw-r--r--drivers/thermal/of-thermal.c2
-rw-r--r--drivers/thermal/power_allocator.c24
-rw-r--r--drivers/thermal/rcar_thermal.c98
-rw-r--r--drivers/thermal/rockchip_thermal.c480
-rw-r--r--drivers/thermal/step_wise.c17
-rw-r--r--drivers/thermal/thermal_core.c81
-rw-r--r--drivers/thermal/thermal_core.h1
13 files changed, 647 insertions, 230 deletions
diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
index c463c89b90ef..8cc4ac64a91c 100644
--- a/drivers/thermal/Kconfig
+++ b/drivers/thermal/Kconfig
@@ -382,7 +382,7 @@ endmenu
config QCOM_SPMI_TEMP_ALARM
tristate "Qualcomm SPMI PMIC Temperature Alarm"
- depends on OF && (SPMI || COMPILE_TEST) && IIO
+ depends on OF && SPMI && IIO
select REGMAP_SPMI
help
This enables a thermal sysfs driver for Qualcomm plug-and-play (QPNP)
diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c
index c8fe3cac2e0e..c5547bd711db 100644
--- a/drivers/thermal/imx_thermal.c
+++ b/drivers/thermal/imx_thermal.c
@@ -55,6 +55,7 @@
#define TEMPSENSE2_PANIC_VALUE_SHIFT 16
#define TEMPSENSE2_PANIC_VALUE_MASK 0xfff0000
+#define OCOTP_MEM0 0x0480
#define OCOTP_ANA1 0x04e0
/* The driver supports 1 passive trip point and 1 critical trip point */
@@ -64,12 +65,6 @@ enum imx_thermal_trip {
IMX_TRIP_NUM,
};
-/*
- * It defines the temperature in millicelsius for passive trip point
- * that will trigger cooling action when crossed.
- */
-#define IMX_TEMP_PASSIVE 85000
-
#define IMX_POLLING_DELAY 2000 /* millisecond */
#define IMX_PASSIVE_DELAY 1000
@@ -100,12 +95,14 @@ struct imx_thermal_data {
u32 c1, c2; /* See formula in imx_get_sensor_data() */
int temp_passive;
int temp_critical;
+ int temp_max;
int alarm_temp;
int last_temp;
bool irq_enabled;
int irq;
struct clk *thermal_clk;
const struct thermal_soc_data *socdata;
+ const char *temp_grade;
};
static void imx_set_panic_temp(struct imx_thermal_data *data,
@@ -285,10 +282,12 @@ static int imx_set_trip_temp(struct thermal_zone_device *tz, int trip,
{
struct imx_thermal_data *data = tz->devdata;
+ /* do not allow changing critical threshold */
if (trip == IMX_TRIP_CRITICAL)
return -EPERM;
- if (temp < 0 || temp > IMX_TEMP_PASSIVE)
+ /* do not allow passive to be set higher than critical */
+ if (temp < 0 || temp > data->temp_critical)
return -EINVAL;
data->temp_passive = temp;
@@ -404,17 +403,39 @@ static int imx_get_sensor_data(struct platform_device *pdev)
data->c1 = temp64;
data->c2 = n1 * data->c1 + 1000 * t1;
- /*
- * Set the default passive cooling trip point,
- * can be changed from userspace.
- */
- data->temp_passive = IMX_TEMP_PASSIVE;
+ /* use OTP for thermal grade */
+ ret = regmap_read(map, OCOTP_MEM0, &val);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to read temp grade: %d\n", ret);
+ return ret;
+ }
+
+ /* The maximum die temp is specified by the Temperature Grade */
+ switch ((val >> 6) & 0x3) {
+ case 0: /* Commercial (0 to 95C) */
+ data->temp_grade = "Commercial";
+ data->temp_max = 95000;
+ break;
+ case 1: /* Extended Commercial (-20 to 105C) */
+ data->temp_grade = "Extended Commercial";
+ data->temp_max = 105000;
+ break;
+ case 2: /* Industrial (-40 to 105C) */
+ data->temp_grade = "Industrial";
+ data->temp_max = 105000;
+ break;
+ case 3: /* Automotive (-40 to 125C) */
+ data->temp_grade = "Automotive";
+ data->temp_max = 125000;
+ break;
+ }
/*
- * The maximum die temperature set to 20 C higher than
- * IMX_TEMP_PASSIVE.
+ * Set the critical trip point at 5C under max
+ * Set the passive trip point at 10C under max (can change via sysfs)
*/
- data->temp_critical = 1000 * 20 + data->temp_passive;
+ data->temp_critical = data->temp_max - (1000 * 5);
+ data->temp_passive = data->temp_max - (1000 * 10);
return 0;
}
@@ -551,6 +572,11 @@ static int imx_thermal_probe(struct platform_device *pdev)
return ret;
}
+ dev_info(&pdev->dev, "%s CPU temperature grade - max:%dC"
+ " critical:%dC passive:%dC\n", data->temp_grade,
+ data->temp_max / 1000, data->temp_critical / 1000,
+ data->temp_passive / 1000);
+
/* Enable measurements at ~ 10 Hz */
regmap_write(map, TEMPSENSE1 + REG_CLR, TEMPSENSE1_MEASURE_FREQ);
measure_freq = DIV_ROUND_UP(32768, 10); /* 10 Hz */
diff --git a/drivers/thermal/int340x_thermal/processor_thermal_device.c b/drivers/thermal/int340x_thermal/processor_thermal_device.c
index ccc0ad02d066..36fa724a36c8 100644
--- a/drivers/thermal/int340x_thermal/processor_thermal_device.c
+++ b/drivers/thermal/int340x_thermal/processor_thermal_device.c
@@ -33,6 +33,12 @@
/* Braswell thermal reporting device */
#define PCI_DEVICE_ID_PROC_BSW_THERMAL 0x22DC
+/* Broxton thermal reporting device */
+#define PCI_DEVICE_ID_PROC_BXT0_THERMAL 0x0A8C
+#define PCI_DEVICE_ID_PROC_BXT1_THERMAL 0x1A8C
+#define PCI_DEVICE_ID_PROC_BXTX_THERMAL 0x4A8C
+#define PCI_DEVICE_ID_PROC_BXTP_THERMAL 0x5A8C
+
struct power_config {
u32 index;
u32 min_uw;
@@ -404,6 +410,10 @@ static const struct pci_device_id proc_thermal_pci_ids[] = {
{ 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)},
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PROC_BXT0_THERMAL)},
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PROC_BXT1_THERMAL)},
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PROC_BXTX_THERMAL)},
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PROC_BXTP_THERMAL)},
{ 0, },
};
diff --git a/drivers/thermal/intel_pch_thermal.c b/drivers/thermal/intel_pch_thermal.c
index 50c7da79be83..00d81af648b8 100644
--- a/drivers/thermal/intel_pch_thermal.c
+++ b/drivers/thermal/intel_pch_thermal.c
@@ -136,7 +136,7 @@ struct pch_dev_ops {
/* dev ops for Wildcat Point */
-static struct pch_dev_ops pch_dev_ops_wpt = {
+static const struct pch_dev_ops pch_dev_ops_wpt = {
.hw_init = pch_wpt_init,
.get_temp = pch_wpt_get_temp,
};
diff --git a/drivers/thermal/intel_quark_dts_thermal.c b/drivers/thermal/intel_quark_dts_thermal.c
index 5ed90e6c8a64..5d33b350da1c 100644
--- a/drivers/thermal/intel_quark_dts_thermal.c
+++ b/drivers/thermal/intel_quark_dts_thermal.c
@@ -125,8 +125,8 @@ static int soc_dts_enable(struct thermal_zone_device *tzd)
struct soc_sensor_entry *aux_entry = tzd->devdata;
int ret;
- ret = iosf_mbi_read(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_READ,
- QRK_DTS_REG_OFFSET_ENABLE, &out);
+ ret = iosf_mbi_read(QRK_MBI_UNIT_RMU, MBI_REG_READ,
+ QRK_DTS_REG_OFFSET_ENABLE, &out);
if (ret)
return ret;
@@ -137,8 +137,8 @@ static int soc_dts_enable(struct thermal_zone_device *tzd)
if (!aux_entry->locked) {
out |= QRK_DTS_ENABLE_BIT;
- ret = iosf_mbi_write(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_WRITE,
- QRK_DTS_REG_OFFSET_ENABLE, out);
+ ret = iosf_mbi_write(QRK_MBI_UNIT_RMU, MBI_REG_WRITE,
+ QRK_DTS_REG_OFFSET_ENABLE, out);
if (ret)
return ret;
@@ -158,8 +158,8 @@ static int soc_dts_disable(struct thermal_zone_device *tzd)
struct soc_sensor_entry *aux_entry = tzd->devdata;
int ret;
- ret = iosf_mbi_read(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_READ,
- QRK_DTS_REG_OFFSET_ENABLE, &out);
+ ret = iosf_mbi_read(QRK_MBI_UNIT_RMU, MBI_REG_READ,
+ QRK_DTS_REG_OFFSET_ENABLE, &out);
if (ret)
return ret;
@@ -170,8 +170,8 @@ static int soc_dts_disable(struct thermal_zone_device *tzd)
if (!aux_entry->locked) {
out &= ~QRK_DTS_ENABLE_BIT;
- ret = iosf_mbi_write(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_WRITE,
- QRK_DTS_REG_OFFSET_ENABLE, out);
+ ret = iosf_mbi_write(QRK_MBI_UNIT_RMU, MBI_REG_WRITE,
+ QRK_DTS_REG_OFFSET_ENABLE, out);
if (ret)
return ret;
@@ -192,8 +192,8 @@ static int _get_trip_temp(int trip, int *temp)
u32 out;
mutex_lock(&dts_update_mutex);
- status = iosf_mbi_read(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_READ,
- QRK_DTS_REG_OFFSET_PTPS, &out);
+ status = iosf_mbi_read(QRK_MBI_UNIT_RMU, MBI_REG_READ,
+ QRK_DTS_REG_OFFSET_PTPS, &out);
mutex_unlock(&dts_update_mutex);
if (status)
@@ -236,8 +236,8 @@ static int update_trip_temp(struct soc_sensor_entry *aux_entry,
goto failed;
}
- ret = iosf_mbi_read(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_READ,
- QRK_DTS_REG_OFFSET_PTPS, &store_ptps);
+ ret = iosf_mbi_read(QRK_MBI_UNIT_RMU, MBI_REG_READ,
+ QRK_DTS_REG_OFFSET_PTPS, &store_ptps);
if (ret)
goto failed;
@@ -262,8 +262,8 @@ static int update_trip_temp(struct soc_sensor_entry *aux_entry,
out |= (temp_out & QRK_DTS_MASK_TP_THRES) <<
(trip * QRK_DTS_SHIFT_TP);
- ret = iosf_mbi_write(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_WRITE,
- QRK_DTS_REG_OFFSET_PTPS, out);
+ ret = iosf_mbi_write(QRK_MBI_UNIT_RMU, MBI_REG_WRITE,
+ QRK_DTS_REG_OFFSET_PTPS, out);
failed:
mutex_unlock(&dts_update_mutex);
@@ -294,8 +294,8 @@ static int sys_get_curr_temp(struct thermal_zone_device *tzd,
int ret;
mutex_lock(&dts_update_mutex);
- ret = iosf_mbi_read(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_READ,
- QRK_DTS_REG_OFFSET_TEMP, &out);
+ ret = iosf_mbi_read(QRK_MBI_UNIT_RMU, MBI_REG_READ,
+ QRK_DTS_REG_OFFSET_TEMP, &out);
mutex_unlock(&dts_update_mutex);
if (ret)
@@ -350,13 +350,13 @@ static void free_soc_dts(struct soc_sensor_entry *aux_entry)
if (aux_entry) {
if (!aux_entry->locked) {
mutex_lock(&dts_update_mutex);
- iosf_mbi_write(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_WRITE,
- QRK_DTS_REG_OFFSET_ENABLE,
- aux_entry->store_dts_enable);
+ iosf_mbi_write(QRK_MBI_UNIT_RMU, MBI_REG_WRITE,
+ QRK_DTS_REG_OFFSET_ENABLE,
+ aux_entry->store_dts_enable);
- iosf_mbi_write(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_WRITE,
- QRK_DTS_REG_OFFSET_PTPS,
- aux_entry->store_ptps);
+ iosf_mbi_write(QRK_MBI_UNIT_RMU, MBI_REG_WRITE,
+ QRK_DTS_REG_OFFSET_PTPS,
+ aux_entry->store_ptps);
mutex_unlock(&dts_update_mutex);
}
thermal_zone_device_unregister(aux_entry->tzone);
@@ -378,9 +378,8 @@ static struct soc_sensor_entry *alloc_soc_dts(void)
}
/* Check if DTS register is locked */
- err = iosf_mbi_read(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_READ,
- QRK_DTS_REG_OFFSET_LOCK,
- &out);
+ err = iosf_mbi_read(QRK_MBI_UNIT_RMU, MBI_REG_READ,
+ QRK_DTS_REG_OFFSET_LOCK, &out);
if (err)
goto err_ret;
@@ -395,16 +394,16 @@ static struct soc_sensor_entry *alloc_soc_dts(void)
/* Store DTS default state if DTS registers are not locked */
if (!aux_entry->locked) {
/* Store DTS default enable for restore on exit */
- err = iosf_mbi_read(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_READ,
- QRK_DTS_REG_OFFSET_ENABLE,
- &aux_entry->store_dts_enable);
+ err = iosf_mbi_read(QRK_MBI_UNIT_RMU, MBI_REG_READ,
+ QRK_DTS_REG_OFFSET_ENABLE,
+ &aux_entry->store_dts_enable);
if (err)
goto err_ret;
/* Store DTS default PTPS register for restore on exit */
- err = iosf_mbi_read(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_READ,
- QRK_DTS_REG_OFFSET_PTPS,
- &aux_entry->store_ptps);
+ err = iosf_mbi_read(QRK_MBI_UNIT_RMU, MBI_REG_READ,
+ QRK_DTS_REG_OFFSET_PTPS,
+ &aux_entry->store_ptps);
if (err)
goto err_ret;
}
diff --git a/drivers/thermal/intel_soc_dts_iosf.c b/drivers/thermal/intel_soc_dts_iosf.c
index 5841d1d72996..f72e1db3216f 100644
--- a/drivers/thermal/intel_soc_dts_iosf.c
+++ b/drivers/thermal/intel_soc_dts_iosf.c
@@ -90,7 +90,7 @@ static int sys_get_trip_temp(struct thermal_zone_device *tzd, int trip,
dts = tzd->devdata;
sensors = dts->sensors;
mutex_lock(&sensors->dts_update_lock);
- status = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ,
+ status = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ,
SOC_DTS_OFFSET_PTPS, &out);
mutex_unlock(&sensors->dts_update_lock);
if (status)
@@ -124,27 +124,27 @@ static int update_trip_temp(struct intel_soc_dts_sensor_entry *dts,
temp_out = (sensors->tj_max - temp) / 1000;
- status = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ,
+ status = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ,
SOC_DTS_OFFSET_PTPS, &store_ptps);
if (status)
return status;
out = (store_ptps & ~(0xFF << (thres_index * 8)));
out |= (temp_out & 0xFF) << (thres_index * 8);
- status = iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE,
+ status = iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE,
SOC_DTS_OFFSET_PTPS, out);
if (status)
return status;
pr_debug("update_trip_temp PTPS = %x\n", out);
- status = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ,
+ status = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ,
SOC_DTS_OFFSET_PTMC, &out);
if (status)
goto err_restore_ptps;
store_ptmc = out;
- status = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ,
+ status = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ,
SOC_DTS_TE_AUX0 + thres_index,
&te_out);
if (status)
@@ -167,12 +167,12 @@ static int update_trip_temp(struct intel_soc_dts_sensor_entry *dts,
out &= ~SOC_DTS_AUX0_ENABLE_BIT;
te_out &= ~int_enable_bit;
}
- status = iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE,
+ status = iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE,
SOC_DTS_OFFSET_PTMC, out);
if (status)
goto err_restore_te_out;
- status = iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE,
+ status = iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE,
SOC_DTS_TE_AUX0 + thres_index,
te_out);
if (status)
@@ -182,13 +182,13 @@ static int update_trip_temp(struct intel_soc_dts_sensor_entry *dts,
return 0;
err_restore_te_out:
- iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE,
+ iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE,
SOC_DTS_OFFSET_PTMC, store_te_out);
err_restore_ptmc:
- iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE,
+ iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE,
SOC_DTS_OFFSET_PTMC, store_ptmc);
err_restore_ptps:
- iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE,
+ iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE,
SOC_DTS_OFFSET_PTPS, store_ptps);
/* Nothing we can do if restore fails */
@@ -235,7 +235,7 @@ static int sys_get_curr_temp(struct thermal_zone_device *tzd,
dts = tzd->devdata;
sensors = dts->sensors;
- status = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ,
+ status = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ,
SOC_DTS_OFFSET_TEMP, &out);
if (status)
return status;
@@ -259,14 +259,14 @@ static int soc_dts_enable(int id)
u32 out;
int ret;
- ret = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ,
+ ret = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ,
SOC_DTS_OFFSET_ENABLE, &out);
if (ret)
return ret;
if (!(out & BIT(id))) {
out |= BIT(id);
- ret = iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE,
+ ret = iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE,
SOC_DTS_OFFSET_ENABLE, out);
if (ret)
return ret;
@@ -278,7 +278,7 @@ static int soc_dts_enable(int id)
static void remove_dts_thermal_zone(struct intel_soc_dts_sensor_entry *dts)
{
if (dts) {
- iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE,
+ iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE,
SOC_DTS_OFFSET_ENABLE, dts->store_status);
thermal_zone_device_unregister(dts->tzone);
}
@@ -296,9 +296,8 @@ static int add_dts_thermal_zone(int id, struct intel_soc_dts_sensor_entry *dts,
int i;
/* Store status to restor on exit */
- ret = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ,
- SOC_DTS_OFFSET_ENABLE,
- &dts->store_status);
+ ret = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ,
+ SOC_DTS_OFFSET_ENABLE, &dts->store_status);
if (ret)
goto err_ret;
@@ -311,7 +310,7 @@ static int add_dts_thermal_zone(int id, struct intel_soc_dts_sensor_entry *dts,
}
/* Check if the writable trip we provide is not used by BIOS */
- ret = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ,
+ ret = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ,
SOC_DTS_OFFSET_PTPS, &store_ptps);
if (ret)
trip_mask = 0;
@@ -374,19 +373,19 @@ void intel_soc_dts_iosf_interrupt_handler(struct intel_soc_dts_sensors *sensors)
spin_lock_irqsave(&sensors->intr_notify_lock, flags);
- status = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ,
+ status = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ,
SOC_DTS_OFFSET_PTMC, &ptmc_out);
ptmc_out |= SOC_DTS_PTMC_APIC_DEASSERT_BIT;
- status = iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE,
+ status = iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE,
SOC_DTS_OFFSET_PTMC, ptmc_out);
- status = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ,
+ status = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ,
SOC_DTS_OFFSET_PTTSS, &sticky_out);
pr_debug("status %d PTTSS %x\n", status, sticky_out);
if (sticky_out & SOC_DTS_TRIP_MASK) {
int i;
/* reset sticky bit */
- status = iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE,
+ status = iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE,
SOC_DTS_OFFSET_PTTSS, sticky_out);
spin_unlock_irqrestore(&sensors->intr_notify_lock, flags);
diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c
index 42b7d4253b94..be4eedcb839a 100644
--- a/drivers/thermal/of-thermal.c
+++ b/drivers/thermal/of-thermal.c
@@ -964,7 +964,7 @@ void of_thermal_destroy_zones(void)
np = of_find_node_by_name(NULL, "thermal-zones");
if (!np) {
- pr_err("unable to find thermal zones\n");
+ pr_debug("unable to find thermal zones\n");
return;
}
diff --git a/drivers/thermal/power_allocator.c b/drivers/thermal/power_allocator.c
index f0fbea386869..1246aa6fcab0 100644
--- a/drivers/thermal/power_allocator.c
+++ b/drivers/thermal/power_allocator.c
@@ -174,7 +174,6 @@ static void estimate_pid_constants(struct thermal_zone_device *tz,
/**
* pid_controller() - PID controller
* @tz: thermal zone we are operating in
- * @current_temp: the current temperature in millicelsius
* @control_temp: the target temperature in millicelsius
* @max_allocatable_power: maximum allocatable power for this thermal zone
*
@@ -191,7 +190,6 @@ static void estimate_pid_constants(struct thermal_zone_device *tz,
* Return: The power budget for the next period.
*/
static u32 pid_controller(struct thermal_zone_device *tz,
- int current_temp,
int control_temp,
u32 max_allocatable_power)
{
@@ -211,7 +209,7 @@ static u32 pid_controller(struct thermal_zone_device *tz,
true);
}
- err = control_temp - current_temp;
+ err = control_temp - tz->temperature;
err = int_to_frac(err);
/* Calculate the proportional term */
@@ -332,7 +330,6 @@ static void divvy_up_power(u32 *req_power, u32 *max_power, int num_actors,
}
static int allocate_power(struct thermal_zone_device *tz,
- int current_temp,
int control_temp)
{
struct thermal_instance *instance;
@@ -418,8 +415,7 @@ static int allocate_power(struct thermal_zone_device *tz,
i++;
}
- power_range = pid_controller(tz, current_temp, control_temp,
- max_allocatable_power);
+ power_range = pid_controller(tz, control_temp, max_allocatable_power);
divvy_up_power(weighted_req_power, max_power, num_actors,
total_weighted_req_power, power_range, granted_power,
@@ -444,8 +440,8 @@ static int allocate_power(struct thermal_zone_device *tz,
trace_thermal_power_allocator(tz, req_power, total_req_power,
granted_power, total_granted_power,
num_actors, power_range,
- max_allocatable_power, current_temp,
- control_temp - current_temp);
+ max_allocatable_power, tz->temperature,
+ control_temp - tz->temperature);
kfree(req_power);
unlock:
@@ -612,7 +608,7 @@ static void power_allocator_unbind(struct thermal_zone_device *tz)
static int power_allocator_throttle(struct thermal_zone_device *tz, int trip)
{
int ret;
- int switch_on_temp, control_temp, current_temp;
+ int switch_on_temp, control_temp;
struct power_allocator_params *params = tz->governor_data;
/*
@@ -622,15 +618,9 @@ static int power_allocator_throttle(struct thermal_zone_device *tz, int trip)
if (trip != params->trip_max_desired_temperature)
return 0;
- ret = thermal_zone_get_temp(tz, &current_temp);
- if (ret) {
- dev_warn(&tz->device, "Failed to get temperature: %d\n", ret);
- return ret;
- }
-
ret = tz->ops->get_trip_temp(tz, params->trip_switch_on,
&switch_on_temp);
- if (!ret && (current_temp < switch_on_temp)) {
+ if (!ret && (tz->temperature < switch_on_temp)) {
tz->passive = 0;
reset_pid_controller(params);
allow_maximum_power(tz);
@@ -648,7 +638,7 @@ static int power_allocator_throttle(struct thermal_zone_device *tz, int trip)
return ret;
}
- return allocate_power(tz, current_temp, control_temp);
+ return allocate_power(tz, control_temp);
}
static struct thermal_governor thermal_gov_power_allocator = {
diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c
index 5d4ae7d705e0..44b9c485157d 100644
--- a/drivers/thermal/rcar_thermal.c
+++ b/drivers/thermal/rcar_thermal.c
@@ -75,11 +75,11 @@ struct rcar_thermal_priv {
#define rcar_has_irq_support(priv) ((priv)->common->base)
#define rcar_id_to_shift(priv) ((priv)->id * 8)
-#ifdef DEBUG
-# define rcar_force_update_temp(priv) 1
-#else
-# define rcar_force_update_temp(priv) 0
-#endif
+static const struct of_device_id rcar_thermal_dt_ids[] = {
+ { .compatible = "renesas,rcar-thermal", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, rcar_thermal_dt_ids);
/*
* basic functions
@@ -203,14 +203,26 @@ err_out_unlock:
static int rcar_thermal_get_temp(struct thermal_zone_device *zone, int *temp)
{
struct rcar_thermal_priv *priv = rcar_zone_to_priv(zone);
+ int tmp;
+ int ret;
- if (!rcar_has_irq_support(priv) || rcar_force_update_temp(priv))
- rcar_thermal_update_temp(priv);
+ ret = rcar_thermal_update_temp(priv);
+ if (ret < 0)
+ return ret;
mutex_lock(&priv->lock);
- *temp = MCELSIUS((priv->ctemp * 5) - 65);
+ tmp = MCELSIUS((priv->ctemp * 5) - 65);
mutex_unlock(&priv->lock);
+ if ((tmp < MCELSIUS(-45)) || (tmp > MCELSIUS(125))) {
+ struct device *dev = rcar_priv_to_dev(priv);
+
+ dev_err(dev, "it couldn't measure temperature correctly\n");
+ return -EIO;
+ }
+
+ *temp = tmp;
+
return 0;
}
@@ -288,6 +300,9 @@ static void _rcar_thermal_irq_ctrl(struct rcar_thermal_priv *priv, int enable)
unsigned long flags;
u32 mask = 0x3 << rcar_id_to_shift(priv); /* enable Rising/Falling */
+ if (!rcar_has_irq_support(priv))
+ return;
+
spin_lock_irqsave(&common->lock, flags);
rcar_thermal_common_bset(common, INTMSK, mask, enable ? 0 : mask);
@@ -299,11 +314,15 @@ static void rcar_thermal_work(struct work_struct *work)
{
struct rcar_thermal_priv *priv;
int cctemp, nctemp;
+ int ret;
priv = container_of(work, struct rcar_thermal_priv, work.work);
rcar_thermal_get_temp(priv->zone, &cctemp);
- rcar_thermal_update_temp(priv);
+ ret = rcar_thermal_update_temp(priv);
+ if (ret < 0)
+ return;
+
rcar_thermal_irq_enable(priv);
rcar_thermal_get_temp(priv->zone, &nctemp);
@@ -361,6 +380,23 @@ static irqreturn_t rcar_thermal_irq(int irq, void *data)
/*
* platform functions
*/
+static int rcar_thermal_remove(struct platform_device *pdev)
+{
+ struct rcar_thermal_common *common = platform_get_drvdata(pdev);
+ struct device *dev = &pdev->dev;
+ struct rcar_thermal_priv *priv;
+
+ rcar_thermal_for_each_priv(priv, common) {
+ rcar_thermal_irq_disable(priv);
+ thermal_zone_device_unregister(priv->zone);
+ }
+
+ pm_runtime_put(dev);
+ pm_runtime_disable(dev);
+
+ return 0;
+}
+
static int rcar_thermal_probe(struct platform_device *pdev)
{
struct rcar_thermal_common *common;
@@ -377,6 +413,8 @@ static int rcar_thermal_probe(struct platform_device *pdev)
if (!common)
return -ENOMEM;
+ platform_set_drvdata(pdev, common);
+
INIT_LIST_HEAD(&common->head);
spin_lock_init(&common->lock);
common->dev = dev;
@@ -421,7 +459,9 @@ static int rcar_thermal_probe(struct platform_device *pdev)
mutex_init(&priv->lock);
INIT_LIST_HEAD(&priv->list);
INIT_DELAYED_WORK(&priv->work, rcar_thermal_work);
- rcar_thermal_update_temp(priv);
+ ret = rcar_thermal_update_temp(priv);
+ if (ret < 0)
+ goto error_unregister;
priv->zone = thermal_zone_device_register("rcar_thermal",
1, 0, priv,
@@ -433,8 +473,7 @@ static int rcar_thermal_probe(struct platform_device *pdev)
goto error_unregister;
}
- if (rcar_has_irq_support(priv))
- rcar_thermal_irq_enable(priv);
+ rcar_thermal_irq_enable(priv);
list_move_tail(&priv->list, &common->head);
@@ -454,49 +493,16 @@ static int rcar_thermal_probe(struct platform_device *pdev)
rcar_thermal_common_write(common, ENR, enr_bits);
}
- platform_set_drvdata(pdev, common);
-
dev_info(dev, "%d sensor probed\n", i);
return 0;
error_unregister:
- rcar_thermal_for_each_priv(priv, common) {
- if (rcar_has_irq_support(priv))
- rcar_thermal_irq_disable(priv);
- thermal_zone_device_unregister(priv->zone);
- }
-
- pm_runtime_put(dev);
- pm_runtime_disable(dev);
+ rcar_thermal_remove(pdev);
return ret;
}
-static int rcar_thermal_remove(struct platform_device *pdev)
-{
- struct rcar_thermal_common *common = platform_get_drvdata(pdev);
- struct device *dev = &pdev->dev;
- struct rcar_thermal_priv *priv;
-
- rcar_thermal_for_each_priv(priv, common) {
- if (rcar_has_irq_support(priv))
- rcar_thermal_irq_disable(priv);
- thermal_zone_device_unregister(priv->zone);
- }
-
- pm_runtime_put(dev);
- pm_runtime_disable(dev);
-
- return 0;
-}
-
-static const struct of_device_id rcar_thermal_dt_ids[] = {
- { .compatible = "renesas,rcar-thermal", },
- {},
-};
-MODULE_DEVICE_TABLE(of, rcar_thermal_dt_ids);
-
static struct platform_driver rcar_thermal_driver = {
.driver = {
.name = "rcar_thermal",
diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c
index 9787e8aa509f..b58e3fb9b311 100644
--- a/drivers/thermal/rockchip_thermal.c
+++ b/drivers/thermal/rockchip_thermal.c
@@ -1,6 +1,9 @@
/*
* Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
*
+ * Copyright (c) 2015, Fuzhou Rockchip Electronics Co., Ltd
+ * Caesar Wang <wxt@rock-chips.com>
+ *
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
@@ -35,7 +38,7 @@ enum tshut_mode {
};
/**
- * the system Temperature Sensors tshut(tshut) polarity
+ * The system Temperature Sensors tshut(tshut) polarity
* the bit 8 is tshut polarity.
* 0: low active, 1: high active
*/
@@ -45,17 +48,51 @@ enum tshut_polarity {
};
/**
- * The system has three Temperature Sensors. channel 0 is reserved,
- * channel 1 is for CPU, and channel 2 is for GPU.
+ * The system has two Temperature Sensors.
+ * sensor0 is for CPU, and sensor1 is for GPU.
*/
enum sensor_id {
- SENSOR_CPU = 1,
+ SENSOR_CPU = 0,
SENSOR_GPU,
};
+/**
+ * The conversion table has the adc value and temperature.
+ * ADC_DECREMENT: the adc value is of diminishing.(e.g. v2_code_table)
+ * ADC_INCREMENT: the adc value is incremental.(e.g. v3_code_table)
+ */
+enum adc_sort_mode {
+ ADC_DECREMENT = 0,
+ ADC_INCREMENT,
+};
+
+/**
+ * The max sensors is two in rockchip SoCs.
+ * Two sensors: CPU and GPU sensor.
+ */
+#define SOC_MAX_SENSORS 2
+
+/**
+ * struct chip_tsadc_table: hold information about chip-specific differences
+ * @id: conversion table
+ * @length: size of conversion table
+ * @data_mask: mask to apply on data inputs
+ * @mode: sort mode of this adc variant (incrementing or decrementing)
+ */
+struct chip_tsadc_table {
+ const struct tsadc_table *id;
+ unsigned int length;
+ u32 data_mask;
+ enum adc_sort_mode mode;
+};
+
struct rockchip_tsadc_chip {
+ /* The sensor id of chip correspond to the ADC channel */
+ int chn_id[SOC_MAX_SENSORS];
+ int chn_num;
+
/* The hardware-controlled tshut property */
- long tshut_temp;
+ int tshut_temp;
enum tshut_mode tshut_mode;
enum tshut_polarity tshut_polarity;
@@ -65,37 +102,40 @@ struct rockchip_tsadc_chip {
void (*control)(void __iomem *reg, bool on);
/* Per-sensor methods */
- int (*get_temp)(int chn, void __iomem *reg, int *temp);
- void (*set_tshut_temp)(int chn, void __iomem *reg, long temp);
+ int (*get_temp)(struct chip_tsadc_table table,
+ int chn, void __iomem *reg, int *temp);
+ void (*set_tshut_temp)(struct chip_tsadc_table table,
+ int chn, void __iomem *reg, int temp);
void (*set_tshut_mode)(int chn, void __iomem *reg, enum tshut_mode m);
+
+ /* Per-table methods */
+ struct chip_tsadc_table table;
};
struct rockchip_thermal_sensor {
struct rockchip_thermal_data *thermal;
struct thermal_zone_device *tzd;
- enum sensor_id id;
+ int id;
};
-#define NUM_SENSORS 2 /* Ignore unused sensor 0 */
-
struct rockchip_thermal_data {
const struct rockchip_tsadc_chip *chip;
struct platform_device *pdev;
struct reset_control *reset;
- struct rockchip_thermal_sensor sensors[NUM_SENSORS];
+ struct rockchip_thermal_sensor sensors[SOC_MAX_SENSORS];
struct clk *clk;
struct clk *pclk;
void __iomem *regs;
- long tshut_temp;
+ int tshut_temp;
enum tshut_mode tshut_mode;
enum tshut_polarity tshut_polarity;
};
-/* TSADC V2 Sensor info define: */
+/* TSADC Sensor info define: */
#define TSADCV2_AUTO_CON 0x04
#define TSADCV2_INT_EN 0x08
#define TSADCV2_INT_PD 0x0c
@@ -114,9 +154,12 @@ struct rockchip_thermal_data {
#define TSADCV2_SHUT_2GPIO_SRC_EN(chn) BIT(4 + (chn))
#define TSADCV2_SHUT_2CRU_SRC_EN(chn) BIT(8 + (chn))
+#define TSADCV1_INT_PD_CLEAR_MASK ~BIT(16)
#define TSADCV2_INT_PD_CLEAR_MASK ~BIT(8)
#define TSADCV2_DATA_MASK 0xfff
+#define TSADCV3_DATA_MASK 0x3ff
+
#define TSADCV2_HIGHT_INT_DEBOUNCE_COUNT 4
#define TSADCV2_HIGHT_TSHUT_DEBOUNCE_COUNT 4
#define TSADCV2_AUTO_PERIOD_TIME 250 /* msec */
@@ -124,7 +167,52 @@ struct rockchip_thermal_data {
struct tsadc_table {
u32 code;
- long temp;
+ int temp;
+};
+
+/**
+ * Note:
+ * Code to Temperature mapping of the Temperature sensor is a piece wise linear
+ * curve.Any temperature, code faling between to 2 give temperatures can be
+ * linearly interpolated.
+ * Code to Temperature mapping should be updated based on sillcon results.
+ */
+static const struct tsadc_table v1_code_table[] = {
+ {TSADCV3_DATA_MASK, -40000},
+ {436, -40000},
+ {431, -35000},
+ {426, -30000},
+ {421, -25000},
+ {416, -20000},
+ {411, -15000},
+ {406, -10000},
+ {401, -5000},
+ {395, 0},
+ {390, 5000},
+ {385, 10000},
+ {380, 15000},
+ {375, 20000},
+ {370, 25000},
+ {364, 30000},
+ {359, 35000},
+ {354, 40000},
+ {349, 45000},
+ {343, 50000},
+ {338, 55000},
+ {333, 60000},
+ {328, 65000},
+ {322, 70000},
+ {317, 75000},
+ {312, 80000},
+ {307, 85000},
+ {301, 90000},
+ {296, 95000},
+ {291, 100000},
+ {286, 105000},
+ {280, 110000},
+ {275, 115000},
+ {270, 120000},
+ {264, 125000},
};
static const struct tsadc_table v2_code_table[] = {
@@ -165,21 +253,99 @@ static const struct tsadc_table v2_code_table[] = {
{3421, 125000},
};
-static u32 rk_tsadcv2_temp_to_code(long temp)
+static const struct tsadc_table v3_code_table[] = {
+ {0, -40000},
+ {106, -40000},
+ {108, -35000},
+ {110, -30000},
+ {112, -25000},
+ {114, -20000},
+ {116, -15000},
+ {118, -10000},
+ {120, -5000},
+ {122, 0},
+ {124, 5000},
+ {126, 10000},
+ {128, 15000},
+ {130, 20000},
+ {132, 25000},
+ {134, 30000},
+ {136, 35000},
+ {138, 40000},
+ {140, 45000},
+ {142, 50000},
+ {144, 55000},
+ {146, 60000},
+ {148, 65000},
+ {150, 70000},
+ {152, 75000},
+ {154, 80000},
+ {156, 85000},
+ {158, 90000},
+ {160, 95000},
+ {162, 100000},
+ {163, 105000},
+ {165, 110000},
+ {167, 115000},
+ {169, 120000},
+ {171, 125000},
+ {TSADCV3_DATA_MASK, 125000},
+};
+
+static const struct tsadc_table v4_code_table[] = {
+ {TSADCV3_DATA_MASK, -40000},
+ {431, -40000},
+ {426, -35000},
+ {421, -30000},
+ {415, -25000},
+ {410, -20000},
+ {405, -15000},
+ {399, -10000},
+ {394, -5000},
+ {389, 0},
+ {383, 5000},
+ {378, 10000},
+ {373, 15000},
+ {367, 20000},
+ {362, 25000},
+ {357, 30000},
+ {351, 35000},
+ {346, 40000},
+ {340, 45000},
+ {335, 50000},
+ {330, 55000},
+ {324, 60000},
+ {319, 65000},
+ {313, 70000},
+ {308, 75000},
+ {302, 80000},
+ {297, 85000},
+ {291, 90000},
+ {286, 95000},
+ {281, 100000},
+ {275, 105000},
+ {270, 110000},
+ {264, 115000},
+ {259, 120000},
+ {253, 125000},
+};
+
+static u32 rk_tsadcv2_temp_to_code(struct chip_tsadc_table table,
+ int temp)
{
int high, low, mid;
low = 0;
- high = ARRAY_SIZE(v2_code_table) - 1;
+ high = table.length - 1;
mid = (high + low) / 2;
- if (temp < v2_code_table[low].temp || temp > v2_code_table[high].temp)
+ if (temp < table.id[low].temp || temp > table.id[high].temp)
return 0;
while (low <= high) {
- if (temp == v2_code_table[mid].temp)
- return v2_code_table[mid].code;
- else if (temp < v2_code_table[mid].temp)
+ if (temp == table.id[mid].temp)
+ return table.id[mid].code;
+ else if (temp < table.id[mid].temp)
high = mid - 1;
else
low = mid + 1;
@@ -189,29 +355,54 @@ static u32 rk_tsadcv2_temp_to_code(long temp)
return 0;
}
-static int rk_tsadcv2_code_to_temp(u32 code, int *temp)
+static int rk_tsadcv2_code_to_temp(struct chip_tsadc_table table, u32 code,
+ int *temp)
{
unsigned int low = 1;
- unsigned int high = ARRAY_SIZE(v2_code_table) - 1;
+ unsigned int high = table.length - 1;
unsigned int mid = (low + high) / 2;
unsigned int num;
unsigned long denom;
- BUILD_BUG_ON(ARRAY_SIZE(v2_code_table) < 2);
-
- code &= TSADCV2_DATA_MASK;
- if (code < v2_code_table[high].code)
- return -EAGAIN; /* Incorrect reading */
-
- while (low <= high) {
- if (code >= v2_code_table[mid].code &&
- code < v2_code_table[mid - 1].code)
- break;
- else if (code < v2_code_table[mid].code)
- low = mid + 1;
- else
- high = mid - 1;
- mid = (low + high) / 2;
+ WARN_ON(table.length < 2);
+
+ switch (table.mode) {
+ case ADC_DECREMENT:
+ code &= table.data_mask;
+ if (code < table.id[high].code)
+ return -EAGAIN; /* Incorrect reading */
+
+ while (low <= high) {
+ if (code >= table.id[mid].code &&
+ code < table.id[mid - 1].code)
+ break;
+ else if (code < table.id[mid].code)
+ low = mid + 1;
+ else
+ high = mid - 1;
+
+ mid = (low + high) / 2;
+ }
+ break;
+ case ADC_INCREMENT:
+ code &= table.data_mask;
+ if (code < table.id[low].code)
+ return -EAGAIN; /* Incorrect reading */
+
+ while (low <= high) {
+ if (code >= table.id[mid - 1].code &&
+ code < table.id[mid].code)
+ break;
+ else if (code > table.id[mid].code)
+ low = mid + 1;
+ else
+ high = mid - 1;
+
+ mid = (low + high) / 2;
+ }
+ break;
+ default:
+ pr_err("Invalid the conversion table\n");
}
/*
@@ -220,24 +411,28 @@ static int rk_tsadcv2_code_to_temp(u32 code, int *temp)
* temperature between 2 table entries is linear and interpolate
* to produce less granular result.
*/
- num = v2_code_table[mid].temp - v2_code_table[mid - 1].temp;
- num *= v2_code_table[mid - 1].code - code;
- denom = v2_code_table[mid - 1].code - v2_code_table[mid].code;
- *temp = v2_code_table[mid - 1].temp + (num / denom);
+ num = table.id[mid].temp - v2_code_table[mid - 1].temp;
+ num *= abs(table.id[mid - 1].code - code);
+ denom = abs(table.id[mid - 1].code - table.id[mid].code);
+ *temp = table.id[mid - 1].temp + (num / denom);
return 0;
}
/**
- * rk_tsadcv2_initialize - initialize TASDC Controller
- * (1) Set TSADCV2_AUTO_PERIOD, configure the interleave between
- * every two accessing of TSADC in normal operation.
- * (2) Set TSADCV2_AUTO_PERIOD_HT, configure the interleave between
- * every two accessing of TSADC after the temperature is higher
- * than COM_SHUT or COM_INT.
- * (3) Set TSADCV2_HIGH_INT_DEBOUNCE and TSADC_HIGHT_TSHUT_DEBOUNCE,
- * if the temperature is higher than COMP_INT or COMP_SHUT for
- * "debounce" times, TSADC controller will generate interrupt or TSHUT.
+ * rk_tsadcv2_initialize - initialize TASDC Controller.
+ *
+ * (1) Set TSADC_V2_AUTO_PERIOD:
+ * Configure the interleave between every two accessing of
+ * TSADC in normal operation.
+ *
+ * (2) Set TSADCV2_AUTO_PERIOD_HT:
+ * Configure the interleave between every two accessing of
+ * TSADC after the temperature is higher than COM_SHUT or COM_INT.
+ *
+ * (3) Set TSADCV2_HIGH_INT_DEBOUNCE and TSADC_HIGHT_TSHUT_DEBOUNCE:
+ * If the temperature is higher than COMP_INT or COMP_SHUT for
+ * "debounce" times, TSADC controller will generate interrupt or TSHUT.
*/
static void rk_tsadcv2_initialize(void __iomem *regs,
enum tshut_polarity tshut_polarity)
@@ -258,6 +453,14 @@ static void rk_tsadcv2_initialize(void __iomem *regs,
regs + TSADCV2_HIGHT_TSHUT_DEBOUNCE);
}
+static void rk_tsadcv1_irq_ack(void __iomem *regs)
+{
+ u32 val;
+
+ val = readl_relaxed(regs + TSADCV2_INT_PD);
+ writel_relaxed(val & TSADCV1_INT_PD_CLEAR_MASK, regs + TSADCV2_INT_PD);
+}
+
static void rk_tsadcv2_irq_ack(void __iomem *regs)
{
u32 val;
@@ -279,20 +482,22 @@ static void rk_tsadcv2_control(void __iomem *regs, bool enable)
writel_relaxed(val, regs + TSADCV2_AUTO_CON);
}
-static int rk_tsadcv2_get_temp(int chn, void __iomem *regs, int *temp)
+static int rk_tsadcv2_get_temp(struct chip_tsadc_table table,
+ int chn, void __iomem *regs, int *temp)
{
u32 val;
val = readl_relaxed(regs + TSADCV2_DATA(chn));
- return rk_tsadcv2_code_to_temp(val, temp);
+ return rk_tsadcv2_code_to_temp(table, val, temp);
}
-static void rk_tsadcv2_tshut_temp(int chn, void __iomem *regs, long temp)
+static void rk_tsadcv2_tshut_temp(struct chip_tsadc_table table,
+ int chn, void __iomem *regs, int temp)
{
u32 tshut_value, val;
- tshut_value = rk_tsadcv2_temp_to_code(temp);
+ tshut_value = rk_tsadcv2_temp_to_code(table, temp);
writel_relaxed(tshut_value, regs + TSADCV2_COMP_SHUT(chn));
/* TSHUT will be valid */
@@ -317,7 +522,58 @@ static void rk_tsadcv2_tshut_mode(int chn, void __iomem *regs,
writel_relaxed(val, regs + TSADCV2_INT_EN);
}
+static const struct rockchip_tsadc_chip rk3228_tsadc_data = {
+ .chn_id[SENSOR_CPU] = 0, /* cpu sensor is channel 0 */
+ .chn_num = 1, /* one channel for tsadc */
+
+ .tshut_mode = TSHUT_MODE_GPIO, /* default TSHUT via GPIO give PMIC */
+ .tshut_polarity = TSHUT_LOW_ACTIVE, /* default TSHUT LOW ACTIVE */
+ .tshut_temp = 95000,
+
+ .initialize = rk_tsadcv2_initialize,
+ .irq_ack = rk_tsadcv1_irq_ack,
+ .control = rk_tsadcv2_control,
+ .get_temp = rk_tsadcv2_get_temp,
+ .set_tshut_temp = rk_tsadcv2_tshut_temp,
+ .set_tshut_mode = rk_tsadcv2_tshut_mode,
+
+ .table = {
+ .id = v1_code_table,
+ .length = ARRAY_SIZE(v1_code_table),
+ .data_mask = TSADCV3_DATA_MASK,
+ .mode = ADC_DECREMENT,
+ },
+};
+
static const struct rockchip_tsadc_chip rk3288_tsadc_data = {
+ .chn_id[SENSOR_CPU] = 1, /* cpu sensor is channel 1 */
+ .chn_id[SENSOR_GPU] = 2, /* gpu sensor is channel 2 */
+ .chn_num = 2, /* two channels for tsadc */
+
+ .tshut_mode = TSHUT_MODE_GPIO, /* default TSHUT via GPIO give PMIC */
+ .tshut_polarity = TSHUT_LOW_ACTIVE, /* default TSHUT LOW ACTIVE */
+ .tshut_temp = 95000,
+
+ .initialize = rk_tsadcv2_initialize,
+ .irq_ack = rk_tsadcv2_irq_ack,
+ .control = rk_tsadcv2_control,
+ .get_temp = rk_tsadcv2_get_temp,
+ .set_tshut_temp = rk_tsadcv2_tshut_temp,
+ .set_tshut_mode = rk_tsadcv2_tshut_mode,
+
+ .table = {
+ .id = v2_code_table,
+ .length = ARRAY_SIZE(v2_code_table),
+ .data_mask = TSADCV2_DATA_MASK,
+ .mode = ADC_DECREMENT,
+ },
+};
+
+static const struct rockchip_tsadc_chip rk3368_tsadc_data = {
+ .chn_id[SENSOR_CPU] = 0, /* cpu sensor is channel 0 */
+ .chn_id[SENSOR_GPU] = 1, /* gpu sensor is channel 1 */
+ .chn_num = 2, /* two channels for tsadc */
+
.tshut_mode = TSHUT_MODE_GPIO, /* default TSHUT via GPIO give PMIC */
.tshut_polarity = TSHUT_LOW_ACTIVE, /* default TSHUT LOW ACTIVE */
.tshut_temp = 95000,
@@ -328,13 +584,56 @@ static const struct rockchip_tsadc_chip rk3288_tsadc_data = {
.get_temp = rk_tsadcv2_get_temp,
.set_tshut_temp = rk_tsadcv2_tshut_temp,
.set_tshut_mode = rk_tsadcv2_tshut_mode,
+
+ .table = {
+ .id = v3_code_table,
+ .length = ARRAY_SIZE(v3_code_table),
+ .data_mask = TSADCV3_DATA_MASK,
+ .mode = ADC_INCREMENT,
+ },
+};
+
+static const struct rockchip_tsadc_chip rk3399_tsadc_data = {
+ .chn_id[SENSOR_CPU] = 0, /* cpu sensor is channel 0 */
+ .chn_id[SENSOR_GPU] = 1, /* gpu sensor is channel 1 */
+ .chn_num = 2, /* two channels for tsadc */
+
+ .tshut_mode = TSHUT_MODE_GPIO, /* default TSHUT via GPIO give PMIC */
+ .tshut_polarity = TSHUT_LOW_ACTIVE, /* default TSHUT LOW ACTIVE */
+ .tshut_temp = 95000,
+
+ .initialize = rk_tsadcv2_initialize,
+ .irq_ack = rk_tsadcv1_irq_ack,
+ .control = rk_tsadcv2_control,
+ .get_temp = rk_tsadcv2_get_temp,
+ .set_tshut_temp = rk_tsadcv2_tshut_temp,
+ .set_tshut_mode = rk_tsadcv2_tshut_mode,
+
+ .table = {
+ .id = v4_code_table,
+ .length = ARRAY_SIZE(v4_code_table),
+ .data_mask = TSADCV3_DATA_MASK,
+ .mode = ADC_DECREMENT,
+ },
};
static const struct of_device_id of_rockchip_thermal_match[] = {
{
+ .compatible = "rockchip,rk3228-tsadc",
+ .data = (void *)&rk3228_tsadc_data,
+ },
+ {
.compatible = "rockchip,rk3288-tsadc",
.data = (void *)&rk3288_tsadc_data,
},
+ {
+ .compatible = "rockchip,rk3368-tsadc",
+ .data = (void *)&rk3368_tsadc_data,
+ },
+ {
+ .compatible = "rockchip,rk3399-tsadc",
+ .data = (void *)&rk3399_tsadc_data,
+ },
{ /* end */ },
};
MODULE_DEVICE_TABLE(of, of_rockchip_thermal_match);
@@ -357,7 +656,7 @@ static irqreturn_t rockchip_thermal_alarm_irq_thread(int irq, void *dev)
thermal->chip->irq_ack(thermal->regs);
- for (i = 0; i < ARRAY_SIZE(thermal->sensors); i++)
+ for (i = 0; i < thermal->chip->chn_num; i++)
thermal_zone_device_update(thermal->sensors[i].tzd);
return IRQ_HANDLED;
@@ -370,7 +669,8 @@ static int rockchip_thermal_get_temp(void *_sensor, int *out_temp)
const struct rockchip_tsadc_chip *tsadc = sensor->thermal->chip;
int retval;
- retval = tsadc->get_temp(sensor->id, thermal->regs, out_temp);
+ retval = tsadc->get_temp(tsadc->table,
+ sensor->id, thermal->regs, out_temp);
dev_dbg(&thermal->pdev->dev, "sensor %d - temp: %d, retval: %d\n",
sensor->id, *out_temp, retval);
@@ -389,7 +689,7 @@ static int rockchip_configure_from_dt(struct device *dev,
if (of_property_read_u32(np, "rockchip,hw-tshut-temp", &shut_temp)) {
dev_warn(dev,
- "Missing tshut temp property, using default %ld\n",
+ "Missing tshut temp property, using default %d\n",
thermal->chip->tshut_temp);
thermal->tshut_temp = thermal->chip->tshut_temp;
} else {
@@ -397,7 +697,7 @@ static int rockchip_configure_from_dt(struct device *dev,
}
if (thermal->tshut_temp > INT_MAX) {
- dev_err(dev, "Invalid tshut temperature specified: %ld\n",
+ dev_err(dev, "Invalid tshut temperature specified: %d\n",
thermal->tshut_temp);
return -ERANGE;
}
@@ -442,13 +742,14 @@ static int
rockchip_thermal_register_sensor(struct platform_device *pdev,
struct rockchip_thermal_data *thermal,
struct rockchip_thermal_sensor *sensor,
- enum sensor_id id)
+ int id)
{
const struct rockchip_tsadc_chip *tsadc = thermal->chip;
int error;
tsadc->set_tshut_mode(id, thermal->regs, thermal->tshut_mode);
- tsadc->set_tshut_temp(id, thermal->regs, thermal->tshut_temp);
+ tsadc->set_tshut_temp(tsadc->table, id, thermal->regs,
+ thermal->tshut_temp);
sensor->thermal = thermal;
sensor->id = id;
@@ -464,7 +765,7 @@ rockchip_thermal_register_sensor(struct platform_device *pdev,
return 0;
}
-/*
+/**
* Reset TSADC Controller, reset all tsadc registers.
*/
static void rockchip_thermal_reset_controller(struct reset_control *reset)
@@ -481,7 +782,7 @@ static int rockchip_thermal_probe(struct platform_device *pdev)
const struct of_device_id *match;
struct resource *res;
int irq;
- int i;
+ int i, j;
int error;
match = of_match_node(of_rockchip_thermal_match, np);
@@ -556,22 +857,19 @@ static int rockchip_thermal_probe(struct platform_device *pdev)
thermal->chip->initialize(thermal->regs, thermal->tshut_polarity);
- error = rockchip_thermal_register_sensor(pdev, thermal,
- &thermal->sensors[0],
- SENSOR_CPU);
- if (error) {
- dev_err(&pdev->dev,
- "failed to register CPU thermal sensor: %d\n", error);
- goto err_disable_pclk;
- }
-
- error = rockchip_thermal_register_sensor(pdev, thermal,
- &thermal->sensors[1],
- SENSOR_GPU);
- if (error) {
- dev_err(&pdev->dev,
- "failed to register GPU thermal sensor: %d\n", error);
- goto err_unregister_cpu_sensor;
+ for (i = 0; i < thermal->chip->chn_num; i++) {
+ error = rockchip_thermal_register_sensor(pdev, thermal,
+ &thermal->sensors[i],
+ thermal->chip->chn_id[i]);
+ if (error) {
+ dev_err(&pdev->dev,
+ "failed to register sensor[%d] : error = %d\n",
+ i, error);
+ for (j = 0; j < i; j++)
+ thermal_zone_of_sensor_unregister(&pdev->dev,
+ thermal->sensors[j].tzd);
+ goto err_disable_pclk;
+ }
}
error = devm_request_threaded_irq(&pdev->dev, irq, NULL,
@@ -581,22 +879,23 @@ static int rockchip_thermal_probe(struct platform_device *pdev)
if (error) {
dev_err(&pdev->dev,
"failed to request tsadc irq: %d\n", error);
- goto err_unregister_gpu_sensor;
+ goto err_unregister_sensor;
}
thermal->chip->control(thermal->regs, true);
- for (i = 0; i < ARRAY_SIZE(thermal->sensors); i++)
+ for (i = 0; i < thermal->chip->chn_num; i++)
rockchip_thermal_toggle_sensor(&thermal->sensors[i], true);
platform_set_drvdata(pdev, thermal);
return 0;
-err_unregister_gpu_sensor:
- thermal_zone_of_sensor_unregister(&pdev->dev, thermal->sensors[1].tzd);
-err_unregister_cpu_sensor:
- thermal_zone_of_sensor_unregister(&pdev->dev, thermal->sensors[0].tzd);
+err_unregister_sensor:
+ while (i--)
+ thermal_zone_of_sensor_unregister(&pdev->dev,
+ thermal->sensors[i].tzd);
+
err_disable_pclk:
clk_disable_unprepare(thermal->pclk);
err_disable_clk:
@@ -610,7 +909,7 @@ static int rockchip_thermal_remove(struct platform_device *pdev)
struct rockchip_thermal_data *thermal = platform_get_drvdata(pdev);
int i;
- for (i = 0; i < ARRAY_SIZE(thermal->sensors); i++) {
+ for (i = 0; i < thermal->chip->chn_num; i++) {
struct rockchip_thermal_sensor *sensor = &thermal->sensors[i];
rockchip_thermal_toggle_sensor(sensor, false);
@@ -631,7 +930,7 @@ static int __maybe_unused rockchip_thermal_suspend(struct device *dev)
struct rockchip_thermal_data *thermal = platform_get_drvdata(pdev);
int i;
- for (i = 0; i < ARRAY_SIZE(thermal->sensors); i++)
+ for (i = 0; i < thermal->chip->chn_num; i++)
rockchip_thermal_toggle_sensor(&thermal->sensors[i], false);
thermal->chip->control(thermal->regs, false);
@@ -663,18 +962,19 @@ static int __maybe_unused rockchip_thermal_resume(struct device *dev)
thermal->chip->initialize(thermal->regs, thermal->tshut_polarity);
- for (i = 0; i < ARRAY_SIZE(thermal->sensors); i++) {
- enum sensor_id id = thermal->sensors[i].id;
+ for (i = 0; i < thermal->chip->chn_num; i++) {
+ int id = thermal->sensors[i].id;
thermal->chip->set_tshut_mode(id, thermal->regs,
thermal->tshut_mode);
- thermal->chip->set_tshut_temp(id, thermal->regs,
+ thermal->chip->set_tshut_temp(thermal->chip->table,
+ id, thermal->regs,
thermal->tshut_temp);
}
thermal->chip->control(thermal->regs, true);
- for (i = 0; i < ARRAY_SIZE(thermal->sensors); i++)
+ for (i = 0; i < thermal->chip->chn_num; i++)
rockchip_thermal_toggle_sensor(&thermal->sensors[i], true);
pinctrl_pm_select_default_state(dev);
diff --git a/drivers/thermal/step_wise.c b/drivers/thermal/step_wise.c
index 2f9f7086ac3d..ea9366ad3e6b 100644
--- a/drivers/thermal/step_wise.c
+++ b/drivers/thermal/step_wise.c
@@ -63,6 +63,19 @@ static unsigned long get_target_state(struct thermal_instance *instance,
next_target = instance->target;
dev_dbg(&cdev->device, "cur_state=%ld\n", cur_state);
+ if (!instance->initialized) {
+ if (throttle) {
+ next_target = (cur_state + 1) >= instance->upper ?
+ instance->upper :
+ ((cur_state + 1) < instance->lower ?
+ instance->lower : (cur_state + 1));
+ } else {
+ next_target = THERMAL_NO_TARGET;
+ }
+
+ return next_target;
+ }
+
switch (trend) {
case THERMAL_TREND_RAISING:
if (throttle) {
@@ -149,7 +162,7 @@ static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip)
dev_dbg(&instance->cdev->device, "old_target=%d, target=%d\n",
old_target, (int)instance->target);
- if (old_target == instance->target)
+ if (instance->initialized && old_target == instance->target)
continue;
/* Activate a passive thermal instance */
@@ -161,7 +174,7 @@ static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip)
instance->target == THERMAL_NO_TARGET)
update_passive_instance(tz, trip_type, -1);
-
+ instance->initialized = true;
instance->cdev->updated = false; /* cdev needs update */
}
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index d9e525cc9c1c..a0a8fd1235e2 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -37,6 +37,7 @@
#include <linux/of.h>
#include <net/netlink.h>
#include <net/genetlink.h>
+#include <linux/suspend.h>
#define CREATE_TRACE_POINTS
#include <trace/events/thermal.h>
@@ -59,6 +60,8 @@ static LIST_HEAD(thermal_governor_list);
static DEFINE_MUTEX(thermal_list_lock);
static DEFINE_MUTEX(thermal_governor_lock);
+static atomic_t in_suspend;
+
static struct thermal_governor *def_governor;
static struct thermal_governor *__find_governor(const char *name)
@@ -532,14 +535,31 @@ static void update_temperature(struct thermal_zone_device *tz)
mutex_unlock(&tz->lock);
trace_thermal_temperature(tz);
- dev_dbg(&tz->device, "last_temperature=%d, current_temperature=%d\n",
- tz->last_temperature, tz->temperature);
+ if (tz->last_temperature == THERMAL_TEMP_INVALID)
+ dev_dbg(&tz->device, "last_temperature N/A, current_temperature=%d\n",
+ tz->temperature);
+ else
+ dev_dbg(&tz->device, "last_temperature=%d, current_temperature=%d\n",
+ tz->last_temperature, tz->temperature);
+}
+
+static void thermal_zone_device_reset(struct thermal_zone_device *tz)
+{
+ struct thermal_instance *pos;
+
+ tz->temperature = THERMAL_TEMP_INVALID;
+ tz->passive = 0;
+ list_for_each_entry(pos, &tz->thermal_instances, tz_node)
+ pos->initialized = false;
}
void thermal_zone_device_update(struct thermal_zone_device *tz)
{
int count;
+ if (atomic_read(&in_suspend))
+ return;
+
if (!tz->ops->get_temp)
return;
@@ -676,8 +696,12 @@ trip_point_temp_store(struct device *dev, struct device_attribute *attr,
return -EINVAL;
ret = tz->ops->set_trip_temp(tz, trip, temperature);
+ if (ret)
+ return ret;
- return ret ? ret : count;
+ thermal_zone_device_update(tz);
+
+ return count;
}
static ssize_t
@@ -1321,6 +1345,7 @@ int thermal_zone_bind_cooling_device(struct thermal_zone_device *tz,
if (!result) {
list_add_tail(&dev->tz_node, &tz->thermal_instances);
list_add_tail(&dev->cdev_node, &cdev->thermal_instances);
+ atomic_set(&tz->need_update, 1);
}
mutex_unlock(&cdev->lock);
mutex_unlock(&tz->lock);
@@ -1430,6 +1455,7 @@ __thermal_cooling_device_register(struct device_node *np,
const struct thermal_cooling_device_ops *ops)
{
struct thermal_cooling_device *cdev;
+ struct thermal_zone_device *pos = NULL;
int result;
if (type && strlen(type) >= THERMAL_NAME_LENGTH)
@@ -1474,6 +1500,12 @@ __thermal_cooling_device_register(struct device_node *np,
/* Update binding information for 'this' new cdev */
bind_cdev(cdev);
+ mutex_lock(&thermal_list_lock);
+ list_for_each_entry(pos, &thermal_tz_list, node)
+ if (atomic_cmpxchg(&pos->need_update, 1, 0))
+ thermal_zone_device_update(pos);
+ mutex_unlock(&thermal_list_lock);
+
return cdev;
}
@@ -1806,6 +1838,8 @@ struct thermal_zone_device *thermal_zone_device_register(const char *type,
tz->trips = trips;
tz->passive_delay = passive_delay;
tz->polling_delay = polling_delay;
+ /* A new thermal zone needs to be updated anyway. */
+ atomic_set(&tz->need_update, 1);
dev_set_name(&tz->device, "thermal_zone%d", tz->id);
result = device_register(&tz->device);
@@ -1900,7 +1934,10 @@ struct thermal_zone_device *thermal_zone_device_register(const char *type,
INIT_DELAYED_WORK(&(tz->poll_queue), thermal_zone_device_check);
- thermal_zone_device_update(tz);
+ thermal_zone_device_reset(tz);
+ /* Update the new thermal zone and mark it as already updated. */
+ if (atomic_cmpxchg(&tz->need_update, 1, 0))
+ thermal_zone_device_update(tz);
return tz;
@@ -2140,6 +2177,36 @@ static void thermal_unregister_governors(void)
thermal_gov_power_allocator_unregister();
}
+static int thermal_pm_notify(struct notifier_block *nb,
+ unsigned long mode, void *_unused)
+{
+ struct thermal_zone_device *tz;
+
+ switch (mode) {
+ case PM_HIBERNATION_PREPARE:
+ case PM_RESTORE_PREPARE:
+ case PM_SUSPEND_PREPARE:
+ atomic_set(&in_suspend, 1);
+ break;
+ case PM_POST_HIBERNATION:
+ case PM_POST_RESTORE:
+ case PM_POST_SUSPEND:
+ atomic_set(&in_suspend, 0);
+ list_for_each_entry(tz, &thermal_tz_list, node) {
+ thermal_zone_device_reset(tz);
+ thermal_zone_device_update(tz);
+ }
+ break;
+ default:
+ break;
+ }
+ return 0;
+}
+
+static struct notifier_block thermal_pm_nb = {
+ .notifier_call = thermal_pm_notify,
+};
+
static int __init thermal_init(void)
{
int result;
@@ -2160,6 +2227,11 @@ static int __init thermal_init(void)
if (result)
goto exit_netlink;
+ result = register_pm_notifier(&thermal_pm_nb);
+ if (result)
+ pr_warn("Thermal: Can not register suspend notifier, return %d\n",
+ result);
+
return 0;
exit_netlink:
@@ -2179,6 +2251,7 @@ error:
static void __exit thermal_exit(void)
{
+ unregister_pm_notifier(&thermal_pm_nb);
of_thermal_destroy_zones();
genetlink_exit();
class_unregister(&thermal_class);
diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h
index d7ac1fccd659..749d41abfbab 100644
--- a/drivers/thermal/thermal_core.h
+++ b/drivers/thermal/thermal_core.h
@@ -41,6 +41,7 @@ struct thermal_instance {
struct thermal_zone_device *tz;
struct thermal_cooling_device *cdev;
int trip;
+ bool initialized;
unsigned long upper; /* Highest cooling state for this trip point */
unsigned long lower; /* Lowest cooling state for this trip point */
unsigned long target; /* expected cooling state */
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