mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-15 16:53:54 +08:00
- Add the tegra3 thermal sensor and fix the compilation testing on
tegra by adding a dependency on ARCH_TEGRA along with COMPILE_TEST (Dmitry Osipenko) - Fix the error code for the exynos when devm_get_clk() fails (Dan Carpenter) - Add the TCC cooling support for AlderLake platform (Sumeet Pawnikar) - Add support for hardware trip points for the rcar gen3 thermal driver and store TSC id as unsigned int (Niklas Söderlund) - Replace the deprecated CPU-hotplug functions get_online_cpus() and put_online_cpus (Sebastian Andrzej Siewior) - Add the thermal tools directory in the MAINTAINERS file (Daniel Lezcano) - Fix the Makefile and the cross compilation flags for the userspace 'tmon' tool (Rolf Eike Beer) - Allow to use the IMOK independently from the GDDV on Int340x (Sumeet Pawnikar) - Fix the stub thermal_cooling_device_register() function prototype which does not match the real function (Arnd Bergmann) - Make the thermal trip point optional in the DT bindings (Maxime Ripard) - Fix a typo in a comment in the core code (Geert Uytterhoeven) - Reduce the verbosity of the trace in the SoC thermal tegra driver (Dmitry Osipenko) - Add the support for the LMh (Limit Management hardware) driver on the QCom platforms (Thara Gopinath) - Allow processing of HWP interrupt by adding a weak function in the Intel driver (Srinivas Pandruvada) - Prevent an abort of the sensor probe is a channel is not used (Matthias Kaehlcke) -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEGn3N4YVz0WNVyHskqDIjiipP6E8FAmE7yAcACgkQqDIjiipP 6E8WKwgAmI+kdOURCz1CtCIv6FnQFx20suxZidfATPULBPZ8zcHqdjxJECXJpvDz y8T8dGAPRqXmMBJm2vF/qVraHaDJvscHXaflhsurhyEp0tiGptNeugBosso0jDEQ JFrQ6Rny/NCmNMOkWW4YlSfkik0zQ43xlHocy3UfOKfcshhYWGsPTbIXdA6wH/zh 3tFW8j327tkyenrKZiaioJOSX88Oyy7Ft8l5k0HP+hPYkrvihWDJuEfEEmpfkdA7 Q70Lacf2QtFP8mUfGKpQxURSgndjphDPU7tzP5NqqWvLuT94aTspvJx4ywVwK8Iv o+jNvR33yBIs5FXXB7B1ymkNE1h8uQ== =blIQ -----END PGP SIGNATURE----- Merge tag 'thermal-v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux Pull thermal updates from Daniel Lezcano: - Add the tegra3 thermal sensor and fix the compilation testing on tegra by adding a dependency on ARCH_TEGRA along with COMPILE_TEST (Dmitry Osipenko) - Fix the error code for the exynos when devm_get_clk() fails (Dan Carpenter) - Add the TCC cooling support for AlderLake platform (Sumeet Pawnikar) - Add support for hardware trip points for the rcar gen3 thermal driver and store TSC id as unsigned int (Niklas Söderlund) - Replace the deprecated CPU-hotplug functions get_online_cpus() and put_online_cpus (Sebastian Andrzej Siewior) - Add the thermal tools directory in the MAINTAINERS file (Daniel Lezcano) - Fix the Makefile and the cross compilation flags for the userspace 'tmon' tool (Rolf Eike Beer) - Allow to use the IMOK independently from the GDDV on Int340x (Sumeet Pawnikar) - Fix the stub thermal_cooling_device_register() function prototype which does not match the real function (Arnd Bergmann) - Make the thermal trip point optional in the DT bindings (Maxime Ripard) - Fix a typo in a comment in the core code (Geert Uytterhoeven) - Reduce the verbosity of the trace in the SoC thermal tegra driver (Dmitry Osipenko) - Add the support for the LMh (Limit Management hardware) driver on the QCom platforms (Thara Gopinath) - Allow processing of HWP interrupt by adding a weak function in the Intel driver (Srinivas Pandruvada) - Prevent an abort of the sensor probe is a channel is not used (Matthias Kaehlcke) * tag 'thermal-v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: thermal/drivers/qcom/spmi-adc-tm5: Don't abort probing if a sensor is not used thermal/drivers/intel: Allow processing of HWP interrupt dt-bindings: thermal: Add dt binding for QCOM LMh thermal/drivers/qcom: Add support for LMh driver firmware: qcom_scm: Introduce SCM calls to access LMh thermal/drivers/tegra-soctherm: Silence message about clamped temperature thermal: Spelling s/scallbacks/callbacks/ dt-bindings: thermal: Make trips node optional thermal/core: Fix thermal_cooling_device_register() prototype thermal/drivers/int340x: Use IMOK independently tools/thermal/tmon: Add cross compiling support thermal/tools/tmon: Improve the Makefile MAINTAINERS: Add missing userspace thermal tools to the thermal section thermal/drivers/intel_powerclamp: Replace deprecated CPU-hotplug functions. thermal/drivers/rcar_gen3_thermal: Store TSC id as unsigned int thermal/drivers/rcar_gen3_thermal: Add support for hardware trip points drivers/thermal/intel: Add TCC cooling support for AlderLake platform thermal/drivers/exynos: Fix an error code in exynos_tmu_probe() thermal/drivers/tegra: Correct compile-testing of drivers thermal/drivers/tegra: Add driver for Tegra30 thermal sensor
This commit is contained in:
commit
dd4703876e
82
Documentation/devicetree/bindings/thermal/qcom-lmh.yaml
Normal file
82
Documentation/devicetree/bindings/thermal/qcom-lmh.yaml
Normal file
@ -0,0 +1,82 @@
|
||||
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
||||
# Copyright 2021 Linaro Ltd.
|
||||
%YAML 1.2
|
||||
---
|
||||
$id: http://devicetree.org/schemas/thermal/qcom-lmh.yaml#
|
||||
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
||||
|
||||
title: Qualcomm Limits Management Hardware(LMh)
|
||||
|
||||
maintainers:
|
||||
- Thara Gopinath <thara.gopinath@linaro.org>
|
||||
|
||||
description:
|
||||
Limits Management Hardware(LMh) is a hardware infrastructure on some
|
||||
Qualcomm SoCs that can enforce temperature and current limits as
|
||||
programmed by software for certain IPs like CPU.
|
||||
|
||||
properties:
|
||||
compatible:
|
||||
enum:
|
||||
- qcom,sdm845-lmh
|
||||
|
||||
reg:
|
||||
items:
|
||||
- description: core registers
|
||||
|
||||
interrupts:
|
||||
maxItems: 1
|
||||
|
||||
'#interrupt-cells':
|
||||
const: 1
|
||||
|
||||
interrupt-controller: true
|
||||
|
||||
cpus:
|
||||
description:
|
||||
phandle of the first cpu in the LMh cluster
|
||||
$ref: /schemas/types.yaml#/definitions/phandle
|
||||
|
||||
qcom,lmh-temp-arm-millicelsius:
|
||||
description:
|
||||
An integer expressing temperature threshold at which the LMh thermal
|
||||
FSM is engaged.
|
||||
|
||||
qcom,lmh-temp-low-millicelsius:
|
||||
description:
|
||||
An integer expressing temperature threshold at which the state machine
|
||||
will attempt to remove frequency throttling.
|
||||
|
||||
qcom,lmh-temp-high-millicelsius:
|
||||
description:
|
||||
An integer expressing temperature threshold at which the state machine
|
||||
will attempt to throttle the frequency.
|
||||
|
||||
required:
|
||||
- compatible
|
||||
- reg
|
||||
- interrupts
|
||||
- '#interrupt-cells'
|
||||
- interrupt-controller
|
||||
- cpus
|
||||
- qcom,lmh-temp-arm-millicelsius
|
||||
- qcom,lmh-temp-low-millicelsius
|
||||
- qcom,lmh-temp-high-millicelsius
|
||||
|
||||
additionalProperties: false
|
||||
|
||||
examples:
|
||||
- |
|
||||
#include <dt-bindings/interrupt-controller/arm-gic.h>
|
||||
|
||||
lmh@17d70800 {
|
||||
compatible = "qcom,sdm845-lmh";
|
||||
reg = <0x17d70800 0x400>;
|
||||
interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
|
||||
cpus = <&CPU4>;
|
||||
qcom,lmh-temp-arm-millicelsius = <65000>;
|
||||
qcom,lmh-temp-low-millicelsius = <94500>;
|
||||
qcom,lmh-temp-high-millicelsius = <95000>;
|
||||
interrupt-controller;
|
||||
#interrupt-cells = <1>;
|
||||
};
|
@ -215,7 +215,7 @@ patternProperties:
|
||||
- polling-delay
|
||||
- polling-delay-passive
|
||||
- thermal-sensors
|
||||
- trips
|
||||
|
||||
additionalProperties: false
|
||||
|
||||
additionalProperties: false
|
||||
|
@ -18566,6 +18566,7 @@ F: drivers/thermal/
|
||||
F: include/linux/cpu_cooling.h
|
||||
F: include/linux/thermal.h
|
||||
F: include/uapi/linux/thermal.h
|
||||
F: tools/thermal/
|
||||
|
||||
THERMAL DRIVER FOR AMLOGIC SOCS
|
||||
M: Guillaume La Roque <glaroque@baylibre.com>
|
||||
|
@ -1147,6 +1147,64 @@ int qcom_scm_qsmmu500_wait_safe_toggle(bool en)
|
||||
}
|
||||
EXPORT_SYMBOL(qcom_scm_qsmmu500_wait_safe_toggle);
|
||||
|
||||
bool qcom_scm_lmh_dcvsh_available(void)
|
||||
{
|
||||
return __qcom_scm_is_call_available(__scm->dev, QCOM_SCM_SVC_LMH, QCOM_SCM_LMH_LIMIT_DCVSH);
|
||||
}
|
||||
EXPORT_SYMBOL(qcom_scm_lmh_dcvsh_available);
|
||||
|
||||
int qcom_scm_lmh_profile_change(u32 profile_id)
|
||||
{
|
||||
struct qcom_scm_desc desc = {
|
||||
.svc = QCOM_SCM_SVC_LMH,
|
||||
.cmd = QCOM_SCM_LMH_LIMIT_PROFILE_CHANGE,
|
||||
.arginfo = QCOM_SCM_ARGS(1, QCOM_SCM_VAL),
|
||||
.args[0] = profile_id,
|
||||
.owner = ARM_SMCCC_OWNER_SIP,
|
||||
};
|
||||
|
||||
return qcom_scm_call(__scm->dev, &desc, NULL);
|
||||
}
|
||||
EXPORT_SYMBOL(qcom_scm_lmh_profile_change);
|
||||
|
||||
int qcom_scm_lmh_dcvsh(u32 payload_fn, u32 payload_reg, u32 payload_val,
|
||||
u64 limit_node, u32 node_id, u64 version)
|
||||
{
|
||||
dma_addr_t payload_phys;
|
||||
u32 *payload_buf;
|
||||
int ret, payload_size = 5 * sizeof(u32);
|
||||
|
||||
struct qcom_scm_desc desc = {
|
||||
.svc = QCOM_SCM_SVC_LMH,
|
||||
.cmd = QCOM_SCM_LMH_LIMIT_DCVSH,
|
||||
.arginfo = QCOM_SCM_ARGS(5, QCOM_SCM_RO, QCOM_SCM_VAL, QCOM_SCM_VAL,
|
||||
QCOM_SCM_VAL, QCOM_SCM_VAL),
|
||||
.args[1] = payload_size,
|
||||
.args[2] = limit_node,
|
||||
.args[3] = node_id,
|
||||
.args[4] = version,
|
||||
.owner = ARM_SMCCC_OWNER_SIP,
|
||||
};
|
||||
|
||||
payload_buf = dma_alloc_coherent(__scm->dev, payload_size, &payload_phys, GFP_KERNEL);
|
||||
if (!payload_buf)
|
||||
return -ENOMEM;
|
||||
|
||||
payload_buf[0] = payload_fn;
|
||||
payload_buf[1] = 0;
|
||||
payload_buf[2] = payload_reg;
|
||||
payload_buf[3] = 1;
|
||||
payload_buf[4] = payload_val;
|
||||
|
||||
desc.args[0] = payload_phys;
|
||||
|
||||
ret = qcom_scm_call(__scm->dev, &desc, NULL);
|
||||
|
||||
dma_free_coherent(__scm->dev, payload_size, payload_buf, payload_phys);
|
||||
return ret;
|
||||
}
|
||||
EXPORT_SYMBOL(qcom_scm_lmh_dcvsh);
|
||||
|
||||
static int qcom_scm_find_dload_address(struct device *dev, u64 *addr)
|
||||
{
|
||||
struct device_node *tcsr;
|
||||
|
@ -114,6 +114,10 @@ extern int scm_legacy_call(struct device *dev, const struct qcom_scm_desc *desc,
|
||||
#define QCOM_SCM_SVC_HDCP 0x11
|
||||
#define QCOM_SCM_HDCP_INVOKE 0x01
|
||||
|
||||
#define QCOM_SCM_SVC_LMH 0x13
|
||||
#define QCOM_SCM_LMH_LIMIT_PROFILE_CHANGE 0x01
|
||||
#define QCOM_SCM_LMH_LIMIT_DCVSH 0x10
|
||||
|
||||
#define QCOM_SCM_SVC_SMMU_PROGRAM 0x15
|
||||
#define QCOM_SCM_SMMU_CONFIG_ERRATA1 0x03
|
||||
#define QCOM_SCM_SMMU_CONFIG_ERRATA1_CLIENT_ALL 0x02
|
||||
|
@ -108,9 +108,12 @@ static struct attribute *imok_attr[] = {
|
||||
NULL
|
||||
};
|
||||
|
||||
static const struct attribute_group imok_attribute_group = {
|
||||
.attrs = imok_attr,
|
||||
};
|
||||
|
||||
static const struct attribute_group data_attribute_group = {
|
||||
.bin_attrs = data_attributes,
|
||||
.attrs = imok_attr,
|
||||
};
|
||||
|
||||
static ssize_t available_uuids_show(struct device *dev,
|
||||
@ -522,6 +525,12 @@ static int int3400_thermal_probe(struct platform_device *pdev)
|
||||
if (result)
|
||||
goto free_rel_misc;
|
||||
|
||||
if (acpi_has_method(priv->adev->handle, "IMOK")) {
|
||||
result = sysfs_create_group(&pdev->dev.kobj, &imok_attribute_group);
|
||||
if (result)
|
||||
goto free_imok;
|
||||
}
|
||||
|
||||
if (priv->data_vault) {
|
||||
result = sysfs_create_group(&pdev->dev.kobj,
|
||||
&data_attribute_group);
|
||||
@ -545,6 +554,8 @@ free_sysfs:
|
||||
}
|
||||
free_uuid:
|
||||
sysfs_remove_group(&pdev->dev.kobj, &uuid_attribute_group);
|
||||
free_imok:
|
||||
sysfs_remove_group(&pdev->dev.kobj, &imok_attribute_group);
|
||||
free_rel_misc:
|
||||
if (!priv->rel_misc_dev_res)
|
||||
acpi_thermal_rel_misc_device_remove(priv->adev->handle);
|
||||
@ -573,6 +584,7 @@ static int int3400_thermal_remove(struct platform_device *pdev)
|
||||
if (priv->data_vault)
|
||||
sysfs_remove_group(&pdev->dev.kobj, &data_attribute_group);
|
||||
sysfs_remove_group(&pdev->dev.kobj, &uuid_attribute_group);
|
||||
sysfs_remove_group(&pdev->dev.kobj, &imok_attribute_group);
|
||||
thermal_zone_device_unregister(priv->thermal);
|
||||
kfree(priv->data_vault);
|
||||
kfree(priv->trts);
|
||||
|
@ -528,7 +528,7 @@ static int start_power_clamp(void)
|
||||
|
||||
set_target_ratio = clamp(set_target_ratio, 0U, MAX_TARGET_RATIO - 1);
|
||||
/* prevent cpu hotplug */
|
||||
get_online_cpus();
|
||||
cpus_read_lock();
|
||||
|
||||
/* prefer BSP */
|
||||
control_cpu = 0;
|
||||
@ -542,7 +542,7 @@ static int start_power_clamp(void)
|
||||
for_each_online_cpu(cpu) {
|
||||
start_power_clamp_worker(cpu);
|
||||
}
|
||||
put_online_cpus();
|
||||
cpus_read_unlock();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
@ -79,6 +79,8 @@ static const struct x86_cpu_id tcc_ids[] __initconst = {
|
||||
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),
|
||||
{}
|
||||
};
|
||||
|
||||
|
@ -31,3 +31,13 @@ config QCOM_SPMI_TEMP_ALARM
|
||||
trip points. The temperature reported by the thermal sensor reflects the
|
||||
real time die temperature if an ADC is present or an estimate of the
|
||||
temperature based upon the over temperature stage value.
|
||||
|
||||
config QCOM_LMH
|
||||
tristate "Qualcomm Limits Management Hardware"
|
||||
depends on ARCH_QCOM
|
||||
help
|
||||
This enables initialization of Qualcomm limits management
|
||||
hardware(LMh). LMh allows for hardware-enforced mitigation for cpus based on
|
||||
input from temperature and current sensors. On many newer Qualcomm SoCs
|
||||
LMh is configured in the firmware and this feature need not be enabled.
|
||||
However, on certain SoCs like sdm845 LMh has to be configured from kernel.
|
||||
|
@ -5,3 +5,4 @@ qcom_tsens-y += tsens.o tsens-v2.o tsens-v1.o tsens-v0_1.o \
|
||||
tsens-8960.o
|
||||
obj-$(CONFIG_QCOM_SPMI_ADC_TM5) += qcom-spmi-adc-tm5.o
|
||||
obj-$(CONFIG_QCOM_SPMI_TEMP_ALARM) += qcom-spmi-temp-alarm.o
|
||||
obj-$(CONFIG_QCOM_LMH) += lmh.o
|
||||
|
232
drivers/thermal/qcom/lmh.c
Normal file
232
drivers/thermal/qcom/lmh.c
Normal file
@ -0,0 +1,232 @@
|
||||
// SPDX-License-Identifier: GPL-2.0-only
|
||||
|
||||
/*
|
||||
* Copyright (C) 2021, Linaro Limited. All rights reserved.
|
||||
*/
|
||||
#include <linux/module.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/irqdomain.h>
|
||||
#include <linux/err.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/of_platform.h>
|
||||
#include <linux/slab.h>
|
||||
#include <linux/qcom_scm.h>
|
||||
|
||||
#define LMH_NODE_DCVS 0x44435653
|
||||
#define LMH_CLUSTER0_NODE_ID 0x6370302D
|
||||
#define LMH_CLUSTER1_NODE_ID 0x6370312D
|
||||
|
||||
#define LMH_SUB_FN_THERMAL 0x54484D4C
|
||||
#define LMH_SUB_FN_CRNT 0x43524E54
|
||||
#define LMH_SUB_FN_REL 0x52454C00
|
||||
#define LMH_SUB_FN_BCL 0x42434C00
|
||||
|
||||
#define LMH_ALGO_MODE_ENABLE 0x454E424C
|
||||
#define LMH_TH_HI_THRESHOLD 0x48494748
|
||||
#define LMH_TH_LOW_THRESHOLD 0x4C4F5700
|
||||
#define LMH_TH_ARM_THRESHOLD 0x41524D00
|
||||
|
||||
#define LMH_REG_DCVS_INTR_CLR 0x8
|
||||
|
||||
struct lmh_hw_data {
|
||||
void __iomem *base;
|
||||
struct irq_domain *domain;
|
||||
int irq;
|
||||
};
|
||||
|
||||
static irqreturn_t lmh_handle_irq(int hw_irq, void *data)
|
||||
{
|
||||
struct lmh_hw_data *lmh_data = data;
|
||||
int irq = irq_find_mapping(lmh_data->domain, 0);
|
||||
|
||||
/* Call the cpufreq driver to handle the interrupt */
|
||||
if (irq)
|
||||
generic_handle_irq(irq);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void lmh_enable_interrupt(struct irq_data *d)
|
||||
{
|
||||
struct lmh_hw_data *lmh_data = irq_data_get_irq_chip_data(d);
|
||||
|
||||
/* Clear the existing interrupt */
|
||||
writel(0xff, lmh_data->base + LMH_REG_DCVS_INTR_CLR);
|
||||
enable_irq(lmh_data->irq);
|
||||
}
|
||||
|
||||
static void lmh_disable_interrupt(struct irq_data *d)
|
||||
{
|
||||
struct lmh_hw_data *lmh_data = irq_data_get_irq_chip_data(d);
|
||||
|
||||
disable_irq_nosync(lmh_data->irq);
|
||||
}
|
||||
|
||||
static struct irq_chip lmh_irq_chip = {
|
||||
.name = "lmh",
|
||||
.irq_enable = lmh_enable_interrupt,
|
||||
.irq_disable = lmh_disable_interrupt
|
||||
};
|
||||
|
||||
static int lmh_irq_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw)
|
||||
{
|
||||
struct lmh_hw_data *lmh_data = d->host_data;
|
||||
|
||||
irq_set_chip_and_handler(irq, &lmh_irq_chip, handle_simple_irq);
|
||||
irq_set_chip_data(irq, lmh_data);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct irq_domain_ops lmh_irq_ops = {
|
||||
.map = lmh_irq_map,
|
||||
.xlate = irq_domain_xlate_onecell,
|
||||
};
|
||||
|
||||
static int lmh_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct device *dev = &pdev->dev;
|
||||
struct device_node *np = dev->of_node;
|
||||
struct device_node *cpu_node;
|
||||
struct lmh_hw_data *lmh_data;
|
||||
int temp_low, temp_high, temp_arm, cpu_id, ret;
|
||||
u32 node_id;
|
||||
|
||||
lmh_data = devm_kzalloc(dev, sizeof(*lmh_data), GFP_KERNEL);
|
||||
if (!lmh_data)
|
||||
return -ENOMEM;
|
||||
|
||||
lmh_data->base = devm_platform_ioremap_resource(pdev, 0);
|
||||
if (IS_ERR(lmh_data->base))
|
||||
return PTR_ERR(lmh_data->base);
|
||||
|
||||
cpu_node = of_parse_phandle(np, "cpus", 0);
|
||||
if (!cpu_node)
|
||||
return -EINVAL;
|
||||
cpu_id = of_cpu_node_to_id(cpu_node);
|
||||
of_node_put(cpu_node);
|
||||
|
||||
ret = of_property_read_u32(np, "qcom,lmh-temp-high-millicelsius", &temp_high);
|
||||
if (ret) {
|
||||
dev_err(dev, "missing qcom,lmh-temp-high-millicelsius property\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
ret = of_property_read_u32(np, "qcom,lmh-temp-low-millicelsius", &temp_low);
|
||||
if (ret) {
|
||||
dev_err(dev, "missing qcom,lmh-temp-low-millicelsius property\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
ret = of_property_read_u32(np, "qcom,lmh-temp-arm-millicelsius", &temp_arm);
|
||||
if (ret) {
|
||||
dev_err(dev, "missing qcom,lmh-temp-arm-millicelsius property\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* Only sdm845 has lmh hardware currently enabled from hlos. If this is needed
|
||||
* for other platforms, revisit this to check if the <cpu-id, node-id> should be part
|
||||
* of a dt match table.
|
||||
*/
|
||||
if (cpu_id == 0) {
|
||||
node_id = LMH_CLUSTER0_NODE_ID;
|
||||
} else if (cpu_id == 4) {
|
||||
node_id = LMH_CLUSTER1_NODE_ID;
|
||||
} else {
|
||||
dev_err(dev, "Wrong CPU id associated with LMh node\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
if (!qcom_scm_lmh_dcvsh_available())
|
||||
return -EINVAL;
|
||||
|
||||
ret = qcom_scm_lmh_dcvsh(LMH_SUB_FN_CRNT, LMH_ALGO_MODE_ENABLE, 1,
|
||||
LMH_NODE_DCVS, node_id, 0);
|
||||
if (ret)
|
||||
dev_err(dev, "Error %d enabling current subfunction\n", ret);
|
||||
|
||||
ret = qcom_scm_lmh_dcvsh(LMH_SUB_FN_REL, LMH_ALGO_MODE_ENABLE, 1,
|
||||
LMH_NODE_DCVS, node_id, 0);
|
||||
if (ret)
|
||||
dev_err(dev, "Error %d enabling reliability subfunction\n", ret);
|
||||
|
||||
ret = qcom_scm_lmh_dcvsh(LMH_SUB_FN_BCL, LMH_ALGO_MODE_ENABLE, 1,
|
||||
LMH_NODE_DCVS, node_id, 0);
|
||||
if (ret)
|
||||
dev_err(dev, "Error %d enabling BCL subfunction\n", ret);
|
||||
|
||||
ret = qcom_scm_lmh_dcvsh(LMH_SUB_FN_THERMAL, LMH_ALGO_MODE_ENABLE, 1,
|
||||
LMH_NODE_DCVS, node_id, 0);
|
||||
if (ret) {
|
||||
dev_err(dev, "Error %d enabling thermal subfunction\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
ret = qcom_scm_lmh_profile_change(0x1);
|
||||
if (ret) {
|
||||
dev_err(dev, "Error %d changing profile\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Set default thermal trips */
|
||||
ret = qcom_scm_lmh_dcvsh(LMH_SUB_FN_THERMAL, LMH_TH_ARM_THRESHOLD, temp_arm,
|
||||
LMH_NODE_DCVS, node_id, 0);
|
||||
if (ret) {
|
||||
dev_err(dev, "Error setting thermal ARM threshold%d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
ret = qcom_scm_lmh_dcvsh(LMH_SUB_FN_THERMAL, LMH_TH_HI_THRESHOLD, temp_high,
|
||||
LMH_NODE_DCVS, node_id, 0);
|
||||
if (ret) {
|
||||
dev_err(dev, "Error setting thermal HI threshold%d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
ret = qcom_scm_lmh_dcvsh(LMH_SUB_FN_THERMAL, LMH_TH_LOW_THRESHOLD, temp_low,
|
||||
LMH_NODE_DCVS, node_id, 0);
|
||||
if (ret) {
|
||||
dev_err(dev, "Error setting thermal ARM threshold%d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
lmh_data->irq = platform_get_irq(pdev, 0);
|
||||
lmh_data->domain = irq_domain_add_linear(np, 1, &lmh_irq_ops, lmh_data);
|
||||
if (!lmh_data->domain) {
|
||||
dev_err(dev, "Error adding irq_domain\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/* Disable the irq and let cpufreq enable it when ready to handle the interrupt */
|
||||
irq_set_status_flags(lmh_data->irq, IRQ_NOAUTOEN);
|
||||
ret = devm_request_irq(dev, lmh_data->irq, lmh_handle_irq,
|
||||
IRQF_ONESHOT | IRQF_NO_SUSPEND,
|
||||
"lmh-irq", lmh_data);
|
||||
if (ret) {
|
||||
dev_err(dev, "Error %d registering irq %x\n", ret, lmh_data->irq);
|
||||
irq_domain_remove(lmh_data->domain);
|
||||
return ret;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct of_device_id lmh_table[] = {
|
||||
{ .compatible = "qcom,sdm845-lmh", },
|
||||
{}
|
||||
};
|
||||
MODULE_DEVICE_TABLE(of, lmh_table);
|
||||
|
||||
static struct platform_driver lmh_driver = {
|
||||
.probe = lmh_probe,
|
||||
.driver = {
|
||||
.name = "qcom-lmh",
|
||||
.of_match_table = lmh_table,
|
||||
.suppress_bind_attrs = true,
|
||||
},
|
||||
};
|
||||
module_platform_driver(lmh_driver);
|
||||
|
||||
MODULE_LICENSE("GPL v2");
|
||||
MODULE_DESCRIPTION("QCOM LMh driver");
|
@ -359,6 +359,12 @@ static int adc_tm5_register_tzd(struct adc_tm5_chip *adc_tm)
|
||||
&adc_tm->channels[i],
|
||||
&adc_tm5_ops);
|
||||
if (IS_ERR(tzd)) {
|
||||
if (PTR_ERR(tzd) == -ENODEV) {
|
||||
dev_warn(adc_tm->dev, "thermal sensor on channel %d is not used\n",
|
||||
adc_tm->channels[i].channel);
|
||||
continue;
|
||||
}
|
||||
|
||||
dev_err(adc_tm->dev, "Error registering TZ zone for channel %d: %ld\n",
|
||||
adc_tm->channels[i].channel, PTR_ERR(tzd));
|
||||
return PTR_ERR(tzd);
|
||||
|
@ -84,7 +84,7 @@ struct rcar_gen3_thermal_tsc {
|
||||
struct thermal_zone_device *zone;
|
||||
struct equation_coefs coef;
|
||||
int tj_t;
|
||||
int id; /* thermal channel id */
|
||||
unsigned int id; /* thermal channel id */
|
||||
};
|
||||
|
||||
struct rcar_gen3_thermal_priv {
|
||||
@ -190,10 +190,64 @@ static int rcar_gen3_thermal_get_temp(void *devdata, int *temp)
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct thermal_zone_of_device_ops rcar_gen3_tz_of_ops = {
|
||||
static int rcar_gen3_thermal_mcelsius_to_temp(struct rcar_gen3_thermal_tsc *tsc,
|
||||
int mcelsius)
|
||||
{
|
||||
int celsius, val;
|
||||
|
||||
celsius = DIV_ROUND_CLOSEST(mcelsius, 1000);
|
||||
if (celsius <= INT_FIXPT(tsc->tj_t))
|
||||
val = celsius * tsc->coef.a1 + tsc->coef.b1;
|
||||
else
|
||||
val = celsius * tsc->coef.a2 + tsc->coef.b2;
|
||||
|
||||
return INT_FIXPT(val);
|
||||
}
|
||||
|
||||
static int rcar_gen3_thermal_set_trips(void *devdata, int low, int high)
|
||||
{
|
||||
struct rcar_gen3_thermal_tsc *tsc = devdata;
|
||||
u32 irqmsk = 0;
|
||||
|
||||
if (low != -INT_MAX) {
|
||||
irqmsk |= IRQ_TEMPD1;
|
||||
rcar_gen3_thermal_write(tsc, REG_GEN3_IRQTEMP1,
|
||||
rcar_gen3_thermal_mcelsius_to_temp(tsc, low));
|
||||
}
|
||||
|
||||
if (high != INT_MAX) {
|
||||
irqmsk |= IRQ_TEMP2;
|
||||
rcar_gen3_thermal_write(tsc, REG_GEN3_IRQTEMP2,
|
||||
rcar_gen3_thermal_mcelsius_to_temp(tsc, high));
|
||||
}
|
||||
|
||||
rcar_gen3_thermal_write(tsc, REG_GEN3_IRQMSK, irqmsk);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct thermal_zone_of_device_ops rcar_gen3_tz_of_ops = {
|
||||
.get_temp = rcar_gen3_thermal_get_temp,
|
||||
.set_trips = rcar_gen3_thermal_set_trips,
|
||||
};
|
||||
|
||||
static irqreturn_t rcar_gen3_thermal_irq(int irq, void *data)
|
||||
{
|
||||
struct rcar_gen3_thermal_priv *priv = data;
|
||||
unsigned int i;
|
||||
u32 status;
|
||||
|
||||
for (i = 0; i < priv->num_tscs; i++) {
|
||||
status = rcar_gen3_thermal_read(priv->tscs[i], REG_GEN3_IRQSTR);
|
||||
rcar_gen3_thermal_write(priv->tscs[i], REG_GEN3_IRQSTR, 0);
|
||||
if (status)
|
||||
thermal_zone_device_update(priv->tscs[i]->zone,
|
||||
THERMAL_EVENT_UNSPECIFIED);
|
||||
}
|
||||
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
static const struct soc_device_attribute r8a7795es1[] = {
|
||||
{ .soc_id = "r8a7795", .revision = "ES1.*" },
|
||||
{ /* sentinel */ }
|
||||
@ -210,6 +264,9 @@ static void rcar_gen3_thermal_init_r8a7795es1(struct rcar_gen3_thermal_tsc *tsc)
|
||||
|
||||
rcar_gen3_thermal_write(tsc, REG_GEN3_IRQCTL, 0x3F);
|
||||
rcar_gen3_thermal_write(tsc, REG_GEN3_IRQMSK, 0);
|
||||
if (tsc->zone->ops->set_trips)
|
||||
rcar_gen3_thermal_write(tsc, REG_GEN3_IRQEN,
|
||||
IRQ_TEMPD1 | IRQ_TEMP2);
|
||||
|
||||
rcar_gen3_thermal_write(tsc, REG_GEN3_CTSR,
|
||||
CTSR_PONM | CTSR_AOUT | CTSR_THBGR | CTSR_VMEN);
|
||||
@ -235,6 +292,9 @@ static void rcar_gen3_thermal_init(struct rcar_gen3_thermal_tsc *tsc)
|
||||
|
||||
rcar_gen3_thermal_write(tsc, REG_GEN3_IRQCTL, 0);
|
||||
rcar_gen3_thermal_write(tsc, REG_GEN3_IRQMSK, 0);
|
||||
if (tsc->zone->ops->set_trips)
|
||||
rcar_gen3_thermal_write(tsc, REG_GEN3_IRQEN,
|
||||
IRQ_TEMPD1 | IRQ_TEMP2);
|
||||
|
||||
reg_val = rcar_gen3_thermal_read(tsc, REG_GEN3_THCTR);
|
||||
reg_val |= THCTR_THSST;
|
||||
@ -303,6 +363,34 @@ static void rcar_gen3_hwmon_action(void *data)
|
||||
thermal_remove_hwmon_sysfs(zone);
|
||||
}
|
||||
|
||||
static int rcar_gen3_thermal_request_irqs(struct rcar_gen3_thermal_priv *priv,
|
||||
struct platform_device *pdev)
|
||||
{
|
||||
struct device *dev = &pdev->dev;
|
||||
unsigned int i;
|
||||
char *irqname;
|
||||
int ret, irq;
|
||||
|
||||
for (i = 0; i < 2; i++) {
|
||||
irq = platform_get_irq_optional(pdev, i);
|
||||
if (irq < 0)
|
||||
return irq;
|
||||
|
||||
irqname = devm_kasprintf(dev, GFP_KERNEL, "%s:ch%d",
|
||||
dev_name(dev), i);
|
||||
if (!irqname)
|
||||
return -ENOMEM;
|
||||
|
||||
ret = devm_request_threaded_irq(dev, irq, NULL,
|
||||
rcar_gen3_thermal_irq,
|
||||
IRQF_ONESHOT, irqname, priv);
|
||||
if (ret)
|
||||
return ret;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int rcar_gen3_thermal_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct rcar_gen3_thermal_priv *priv;
|
||||
@ -310,7 +398,8 @@ static int rcar_gen3_thermal_probe(struct platform_device *pdev)
|
||||
const int *ths_tj_1 = of_device_get_match_data(dev);
|
||||
struct resource *res;
|
||||
struct thermal_zone_device *zone;
|
||||
int ret, i;
|
||||
unsigned int i;
|
||||
int ret;
|
||||
|
||||
/* default values if FUSEs are missing */
|
||||
/* TODO: Read values from hardware on supported platforms */
|
||||
@ -326,6 +415,9 @@ static int rcar_gen3_thermal_probe(struct platform_device *pdev)
|
||||
|
||||
platform_set_drvdata(pdev, priv);
|
||||
|
||||
if (rcar_gen3_thermal_request_irqs(priv, pdev))
|
||||
rcar_gen3_tz_of_ops.set_trips = NULL;
|
||||
|
||||
pm_runtime_enable(dev);
|
||||
pm_runtime_get_sync(dev);
|
||||
|
||||
@ -351,9 +443,6 @@ static int rcar_gen3_thermal_probe(struct platform_device *pdev)
|
||||
|
||||
priv->tscs[i] = tsc;
|
||||
|
||||
priv->thermal_init(tsc);
|
||||
rcar_gen3_thermal_calc_coefs(tsc, ptat, thcodes[i], *ths_tj_1);
|
||||
|
||||
zone = devm_thermal_zone_of_sensor_register(dev, i, tsc,
|
||||
&rcar_gen3_tz_of_ops);
|
||||
if (IS_ERR(zone)) {
|
||||
@ -363,6 +452,9 @@ static int rcar_gen3_thermal_probe(struct platform_device *pdev)
|
||||
}
|
||||
tsc->zone = zone;
|
||||
|
||||
priv->thermal_init(tsc);
|
||||
rcar_gen3_thermal_calc_coefs(tsc, ptat, thcodes[i], *ths_tj_1);
|
||||
|
||||
tsc->zone->tzp->no_hwmon = false;
|
||||
ret = thermal_add_hwmon_sysfs(tsc->zone);
|
||||
if (ret)
|
||||
@ -376,7 +468,7 @@ static int rcar_gen3_thermal_probe(struct platform_device *pdev)
|
||||
if (ret < 0)
|
||||
goto error_unregister;
|
||||
|
||||
dev_info(dev, "TSC%d: Loaded %d trip points\n", i, ret);
|
||||
dev_info(dev, "TSC%u: Loaded %d trip points\n", i, ret);
|
||||
}
|
||||
|
||||
priv->num_tscs = i;
|
||||
@ -401,8 +493,12 @@ static int __maybe_unused rcar_gen3_thermal_resume(struct device *dev)
|
||||
|
||||
for (i = 0; i < priv->num_tscs; i++) {
|
||||
struct rcar_gen3_thermal_tsc *tsc = priv->tscs[i];
|
||||
struct thermal_zone_device *zone = tsc->zone;
|
||||
|
||||
priv->thermal_init(tsc);
|
||||
if (zone->ops->set_trips)
|
||||
rcar_gen3_thermal_set_trips(tsc, zone->prev_low_trip,
|
||||
zone->prev_high_trip);
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
@ -1073,6 +1073,7 @@ static int exynos_tmu_probe(struct platform_device *pdev)
|
||||
data->sclk = devm_clk_get(&pdev->dev, "tmu_sclk");
|
||||
if (IS_ERR(data->sclk)) {
|
||||
dev_err(&pdev->dev, "Failed to get sclk\n");
|
||||
ret = PTR_ERR(data->sclk);
|
||||
goto err_clk;
|
||||
} else {
|
||||
ret = clk_prepare_enable(data->sclk);
|
||||
|
@ -1,6 +1,6 @@
|
||||
# SPDX-License-Identifier: GPL-2.0-only
|
||||
menu "NVIDIA Tegra thermal drivers"
|
||||
depends on ARCH_TEGRA
|
||||
depends on ARCH_TEGRA || COMPILE_TEST
|
||||
|
||||
config TEGRA_SOCTHERM
|
||||
tristate "Tegra SOCTHERM thermal management"
|
||||
@ -18,4 +18,11 @@ config TEGRA_BPMP_THERMAL
|
||||
Enable this option for support for sensing system temperature of NVIDIA
|
||||
Tegra systems-on-chip with the BPMP coprocessor (Tegra186).
|
||||
|
||||
config TEGRA30_TSENSOR
|
||||
tristate "Tegra30 Thermal Sensor"
|
||||
depends on ARCH_TEGRA_3x_SOC || COMPILE_TEST
|
||||
help
|
||||
Enable this option to support thermal management of NVIDIA Tegra30
|
||||
system-on-chip.
|
||||
|
||||
endmenu
|
||||
|
@ -1,6 +1,7 @@
|
||||
# SPDX-License-Identifier: GPL-2.0
|
||||
obj-$(CONFIG_TEGRA_SOCTHERM) += tegra-soctherm.o
|
||||
obj-$(CONFIG_TEGRA_BPMP_THERMAL) += tegra-bpmp-thermal.o
|
||||
obj-$(CONFIG_TEGRA30_TSENSOR) += tegra30-tsensor.o
|
||||
|
||||
tegra-soctherm-y := soctherm.o soctherm-fuse.o
|
||||
tegra-soctherm-$(CONFIG_ARCH_TEGRA_124_SOC) += tegra124-soctherm.o
|
||||
|
@ -450,8 +450,8 @@ static int enforce_temp_range(struct device *dev, int trip_temp)
|
||||
|
||||
temp = clamp_val(trip_temp, min_low_temp, max_high_temp);
|
||||
if (temp != trip_temp)
|
||||
dev_info(dev, "soctherm: trip temperature %d forced to %d\n",
|
||||
trip_temp, temp);
|
||||
dev_dbg(dev, "soctherm: trip temperature %d forced to %d\n",
|
||||
trip_temp, temp);
|
||||
return temp;
|
||||
}
|
||||
|
||||
|
673
drivers/thermal/tegra/tegra30-tsensor.c
Normal file
673
drivers/thermal/tegra/tegra30-tsensor.c
Normal file
@ -0,0 +1,673 @@
|
||||
// SPDX-License-Identifier: GPL-2.0
|
||||
/*
|
||||
* Tegra30 SoC Thermal Sensor driver
|
||||
*
|
||||
* Based on downstream HWMON driver from NVIDIA.
|
||||
* Copyright (C) 2011 NVIDIA Corporation
|
||||
*
|
||||
* Author: Dmitry Osipenko <digetx@gmail.com>
|
||||
* Copyright (C) 2021 GRATE-DRIVER project
|
||||
*/
|
||||
|
||||
#include <linux/bitfield.h>
|
||||
#include <linux/clk.h>
|
||||
#include <linux/delay.h>
|
||||
#include <linux/errno.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/io.h>
|
||||
#include <linux/iopoll.h>
|
||||
#include <linux/math.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/of_device.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/pm.h>
|
||||
#include <linux/reset.h>
|
||||
#include <linux/slab.h>
|
||||
#include <linux/thermal.h>
|
||||
#include <linux/types.h>
|
||||
|
||||
#include <soc/tegra/fuse.h>
|
||||
|
||||
#include "../thermal_core.h"
|
||||
#include "../thermal_hwmon.h"
|
||||
|
||||
#define TSENSOR_SENSOR0_CONFIG0 0x0
|
||||
#define TSENSOR_SENSOR0_CONFIG0_SENSOR_STOP BIT(0)
|
||||
#define TSENSOR_SENSOR0_CONFIG0_HW_FREQ_DIV_EN BIT(1)
|
||||
#define TSENSOR_SENSOR0_CONFIG0_THERMAL_RST_EN BIT(2)
|
||||
#define TSENSOR_SENSOR0_CONFIG0_DVFS_EN BIT(3)
|
||||
#define TSENSOR_SENSOR0_CONFIG0_INTR_OVERFLOW_EN BIT(4)
|
||||
#define TSENSOR_SENSOR0_CONFIG0_INTR_HW_FREQ_DIV_EN BIT(5)
|
||||
#define TSENSOR_SENSOR0_CONFIG0_INTR_THERMAL_RST_EN BIT(6)
|
||||
#define TSENSOR_SENSOR0_CONFIG0_M GENMASK(23, 8)
|
||||
#define TSENSOR_SENSOR0_CONFIG0_N GENMASK(31, 24)
|
||||
|
||||
#define TSENSOR_SENSOR0_CONFIG1 0x8
|
||||
#define TSENSOR_SENSOR0_CONFIG1_TH1 GENMASK(15, 0)
|
||||
#define TSENSOR_SENSOR0_CONFIG1_TH2 GENMASK(31, 16)
|
||||
|
||||
#define TSENSOR_SENSOR0_CONFIG2 0xc
|
||||
#define TSENSOR_SENSOR0_CONFIG2_TH3 GENMASK(15, 0)
|
||||
|
||||
#define TSENSOR_SENSOR0_STATUS0 0x18
|
||||
#define TSENSOR_SENSOR0_STATUS0_STATE GENMASK(2, 0)
|
||||
#define TSENSOR_SENSOR0_STATUS0_INTR BIT(8)
|
||||
#define TSENSOR_SENSOR0_STATUS0_CURRENT_VALID BIT(9)
|
||||
|
||||
#define TSENSOR_SENSOR0_TS_STATUS1 0x1c
|
||||
#define TSENSOR_SENSOR0_TS_STATUS1_CURRENT_COUNT GENMASK(31, 16)
|
||||
|
||||
#define TEGRA30_FUSE_TEST_PROG_VER 0x28
|
||||
|
||||
#define TEGRA30_FUSE_TSENSOR_CALIB 0x98
|
||||
#define TEGRA30_FUSE_TSENSOR_CALIB_LOW GENMASK(15, 0)
|
||||
#define TEGRA30_FUSE_TSENSOR_CALIB_HIGH GENMASK(31, 16)
|
||||
|
||||
#define TEGRA30_FUSE_SPARE_BIT 0x144
|
||||
|
||||
struct tegra_tsensor;
|
||||
|
||||
struct tegra_tsensor_calibration_data {
|
||||
int a, b, m, n, p, r;
|
||||
};
|
||||
|
||||
struct tegra_tsensor_channel {
|
||||
void __iomem *regs;
|
||||
unsigned int id;
|
||||
struct tegra_tsensor *ts;
|
||||
struct thermal_zone_device *tzd;
|
||||
};
|
||||
|
||||
struct tegra_tsensor {
|
||||
void __iomem *regs;
|
||||
bool swap_channels;
|
||||
struct clk *clk;
|
||||
struct device *dev;
|
||||
struct reset_control *rst;
|
||||
struct tegra_tsensor_channel ch[2];
|
||||
struct tegra_tsensor_calibration_data calib;
|
||||
};
|
||||
|
||||
static int tegra_tsensor_hw_enable(const struct tegra_tsensor *ts)
|
||||
{
|
||||
u32 val;
|
||||
int err;
|
||||
|
||||
err = reset_control_assert(ts->rst);
|
||||
if (err) {
|
||||
dev_err(ts->dev, "failed to assert hardware reset: %d\n", err);
|
||||
return err;
|
||||
}
|
||||
|
||||
err = clk_prepare_enable(ts->clk);
|
||||
if (err) {
|
||||
dev_err(ts->dev, "failed to enable clock: %d\n", err);
|
||||
return err;
|
||||
}
|
||||
|
||||
fsleep(1000);
|
||||
|
||||
err = reset_control_deassert(ts->rst);
|
||||
if (err) {
|
||||
dev_err(ts->dev, "failed to deassert hardware reset: %d\n", err);
|
||||
goto disable_clk;
|
||||
}
|
||||
|
||||
/*
|
||||
* Sensors are enabled after reset by default, but not gauging
|
||||
* until clock counter is programmed.
|
||||
*
|
||||
* M: number of reference clock pulses after which every
|
||||
* temperature / voltage measurement is made
|
||||
*
|
||||
* N: number of reference clock counts for which the counter runs
|
||||
*/
|
||||
val = FIELD_PREP(TSENSOR_SENSOR0_CONFIG0_M, 12500);
|
||||
val |= FIELD_PREP(TSENSOR_SENSOR0_CONFIG0_N, 255);
|
||||
|
||||
/* apply the same configuration to both channels */
|
||||
writel_relaxed(val, ts->regs + 0x40 + TSENSOR_SENSOR0_CONFIG0);
|
||||
writel_relaxed(val, ts->regs + 0x80 + TSENSOR_SENSOR0_CONFIG0);
|
||||
|
||||
return 0;
|
||||
|
||||
disable_clk:
|
||||
clk_disable_unprepare(ts->clk);
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
static int tegra_tsensor_hw_disable(const struct tegra_tsensor *ts)
|
||||
{
|
||||
int err;
|
||||
|
||||
err = reset_control_assert(ts->rst);
|
||||
if (err) {
|
||||
dev_err(ts->dev, "failed to assert hardware reset: %d\n", err);
|
||||
return err;
|
||||
}
|
||||
|
||||
clk_disable_unprepare(ts->clk);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void devm_tegra_tsensor_hw_disable(void *data)
|
||||
{
|
||||
const struct tegra_tsensor *ts = data;
|
||||
|
||||
tegra_tsensor_hw_disable(ts);
|
||||
}
|
||||
|
||||
static int tegra_tsensor_get_temp(void *data, int *temp)
|
||||
{
|
||||
const struct tegra_tsensor_channel *tsc = data;
|
||||
const struct tegra_tsensor *ts = tsc->ts;
|
||||
int err, c1, c2, c3, c4, counter;
|
||||
u32 val;
|
||||
|
||||
/*
|
||||
* Counter will be invalid if hardware is misprogrammed or not enough
|
||||
* time passed since the time when sensor was enabled.
|
||||
*/
|
||||
err = readl_relaxed_poll_timeout(tsc->regs + TSENSOR_SENSOR0_STATUS0, val,
|
||||
val & TSENSOR_SENSOR0_STATUS0_CURRENT_VALID,
|
||||
21 * USEC_PER_MSEC,
|
||||
21 * USEC_PER_MSEC * 50);
|
||||
if (err) {
|
||||
dev_err_once(ts->dev, "ch%u: counter invalid\n", tsc->id);
|
||||
return err;
|
||||
}
|
||||
|
||||
val = readl_relaxed(tsc->regs + TSENSOR_SENSOR0_TS_STATUS1);
|
||||
counter = FIELD_GET(TSENSOR_SENSOR0_TS_STATUS1_CURRENT_COUNT, val);
|
||||
|
||||
/*
|
||||
* This shouldn't happen with a valid counter status, nevertheless
|
||||
* lets verify the value since it's in a separate (from status)
|
||||
* register.
|
||||
*/
|
||||
if (counter == 0xffff) {
|
||||
dev_err_once(ts->dev, "ch%u: counter overflow\n", tsc->id);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/*
|
||||
* temperature = a * counter + b
|
||||
* temperature = m * (temperature ^ 2) + n * temperature + p
|
||||
*/
|
||||
c1 = DIV_ROUND_CLOSEST(ts->calib.a * counter + ts->calib.b, 1000000);
|
||||
c1 = c1 ?: 1;
|
||||
c2 = DIV_ROUND_CLOSEST(ts->calib.p, c1);
|
||||
c3 = c1 * ts->calib.m;
|
||||
c4 = ts->calib.n;
|
||||
|
||||
*temp = DIV_ROUND_CLOSEST(c1 * (c2 + c3 + c4), 1000);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tegra_tsensor_temp_to_counter(const struct tegra_tsensor *ts, int temp)
|
||||
{
|
||||
int c1, c2;
|
||||
|
||||
c1 = DIV_ROUND_CLOSEST(ts->calib.p - temp * 1000, ts->calib.m);
|
||||
c2 = -ts->calib.r - int_sqrt(ts->calib.r * ts->calib.r - c1);
|
||||
|
||||
return DIV_ROUND_CLOSEST(c2 * 1000000 - ts->calib.b, ts->calib.a);
|
||||
}
|
||||
|
||||
static int tegra_tsensor_set_trips(void *data, int low, int high)
|
||||
{
|
||||
const struct tegra_tsensor_channel *tsc = data;
|
||||
const struct tegra_tsensor *ts = tsc->ts;
|
||||
u32 val;
|
||||
|
||||
/*
|
||||
* TSENSOR doesn't trigger interrupt on the "low" temperature breach,
|
||||
* hence bail out if high temperature is unspecified.
|
||||
*/
|
||||
if (high == INT_MAX)
|
||||
return 0;
|
||||
|
||||
val = readl_relaxed(tsc->regs + TSENSOR_SENSOR0_CONFIG1);
|
||||
val &= ~TSENSOR_SENSOR0_CONFIG1_TH1;
|
||||
|
||||
high = tegra_tsensor_temp_to_counter(ts, high);
|
||||
val |= FIELD_PREP(TSENSOR_SENSOR0_CONFIG1_TH1, high);
|
||||
writel_relaxed(val, tsc->regs + TSENSOR_SENSOR0_CONFIG1);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct thermal_zone_of_device_ops ops = {
|
||||
.get_temp = tegra_tsensor_get_temp,
|
||||
.set_trips = tegra_tsensor_set_trips,
|
||||
};
|
||||
|
||||
static bool
|
||||
tegra_tsensor_handle_channel_interrupt(const struct tegra_tsensor *ts,
|
||||
unsigned int id)
|
||||
{
|
||||
const struct tegra_tsensor_channel *tsc = &ts->ch[id];
|
||||
u32 val;
|
||||
|
||||
val = readl_relaxed(tsc->regs + TSENSOR_SENSOR0_STATUS0);
|
||||
writel_relaxed(val, tsc->regs + TSENSOR_SENSOR0_STATUS0);
|
||||
|
||||
if (FIELD_GET(TSENSOR_SENSOR0_STATUS0_STATE, val) == 5)
|
||||
dev_err_ratelimited(ts->dev, "ch%u: counter overflowed\n", id);
|
||||
|
||||
if (!FIELD_GET(TSENSOR_SENSOR0_STATUS0_INTR, val))
|
||||
return false;
|
||||
|
||||
thermal_zone_device_update(tsc->tzd, THERMAL_EVENT_UNSPECIFIED);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
static irqreturn_t tegra_tsensor_isr(int irq, void *data)
|
||||
{
|
||||
const struct tegra_tsensor *ts = data;
|
||||
bool handled = false;
|
||||
unsigned int i;
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(ts->ch); i++)
|
||||
handled |= tegra_tsensor_handle_channel_interrupt(ts, i);
|
||||
|
||||
return handled ? IRQ_HANDLED : IRQ_NONE;
|
||||
}
|
||||
|
||||
static int tegra_tsensor_disable_hw_channel(const struct tegra_tsensor *ts,
|
||||
unsigned int id)
|
||||
{
|
||||
const struct tegra_tsensor_channel *tsc = &ts->ch[id];
|
||||
struct thermal_zone_device *tzd = tsc->tzd;
|
||||
u32 val;
|
||||
int err;
|
||||
|
||||
if (!tzd)
|
||||
goto stop_channel;
|
||||
|
||||
err = thermal_zone_device_disable(tzd);
|
||||
if (err) {
|
||||
dev_err(ts->dev, "ch%u: failed to disable zone: %d\n", id, err);
|
||||
return err;
|
||||
}
|
||||
|
||||
stop_channel:
|
||||
/* stop channel gracefully */
|
||||
val = readl_relaxed(tsc->regs + TSENSOR_SENSOR0_CONFIG0);
|
||||
val |= FIELD_PREP(TSENSOR_SENSOR0_CONFIG0_SENSOR_STOP, 1);
|
||||
writel_relaxed(val, tsc->regs + TSENSOR_SENSOR0_CONFIG0);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void tegra_tsensor_get_hw_channel_trips(struct thermal_zone_device *tzd,
|
||||
int *hot_trip, int *crit_trip)
|
||||
{
|
||||
unsigned int i;
|
||||
|
||||
/*
|
||||
* 90C is the maximal critical temperature of all Tegra30 SoC variants,
|
||||
* use it for the default trip if unspecified in a device-tree.
|
||||
*/
|
||||
*hot_trip = 85000;
|
||||
*crit_trip = 90000;
|
||||
|
||||
for (i = 0; i < tzd->trips; i++) {
|
||||
enum thermal_trip_type type;
|
||||
int trip_temp;
|
||||
|
||||
tzd->ops->get_trip_temp(tzd, i, &trip_temp);
|
||||
tzd->ops->get_trip_type(tzd, i, &type);
|
||||
|
||||
if (type == THERMAL_TRIP_HOT)
|
||||
*hot_trip = trip_temp;
|
||||
|
||||
if (type == THERMAL_TRIP_CRITICAL)
|
||||
*crit_trip = trip_temp;
|
||||
}
|
||||
|
||||
/* clamp hardware trips to the calibration limits */
|
||||
*hot_trip = clamp(*hot_trip, 25000, 90000);
|
||||
|
||||
/*
|
||||
* Kernel will perform a normal system shut down if it will
|
||||
* see that critical temperature is breached, hence set the
|
||||
* hardware limit by 5C higher in order to allow system to
|
||||
* shut down gracefully before sending signal to the Power
|
||||
* Management controller.
|
||||
*/
|
||||
*crit_trip = clamp(*crit_trip + 5000, 25000, 90000);
|
||||
}
|
||||
|
||||
static int tegra_tsensor_enable_hw_channel(const struct tegra_tsensor *ts,
|
||||
unsigned int id)
|
||||
{
|
||||
const struct tegra_tsensor_channel *tsc = &ts->ch[id];
|
||||
struct thermal_zone_device *tzd = tsc->tzd;
|
||||
int err, hot_trip = 0, crit_trip = 0;
|
||||
u32 val;
|
||||
|
||||
if (!tzd) {
|
||||
val = readl_relaxed(tsc->regs + TSENSOR_SENSOR0_CONFIG0);
|
||||
val &= ~TSENSOR_SENSOR0_CONFIG0_SENSOR_STOP;
|
||||
writel_relaxed(val, tsc->regs + TSENSOR_SENSOR0_CONFIG0);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
tegra_tsensor_get_hw_channel_trips(tzd, &hot_trip, &crit_trip);
|
||||
|
||||
/* prevent potential racing with tegra_tsensor_set_trips() */
|
||||
mutex_lock(&tzd->lock);
|
||||
|
||||
dev_info_once(ts->dev, "ch%u: PMC emergency shutdown trip set to %dC\n",
|
||||
id, DIV_ROUND_CLOSEST(crit_trip, 1000));
|
||||
|
||||
hot_trip = tegra_tsensor_temp_to_counter(ts, hot_trip);
|
||||
crit_trip = tegra_tsensor_temp_to_counter(ts, crit_trip);
|
||||
|
||||
/* program LEVEL2 counter threshold */
|
||||
val = readl_relaxed(tsc->regs + TSENSOR_SENSOR0_CONFIG1);
|
||||
val &= ~TSENSOR_SENSOR0_CONFIG1_TH2;
|
||||
val |= FIELD_PREP(TSENSOR_SENSOR0_CONFIG1_TH2, hot_trip);
|
||||
writel_relaxed(val, tsc->regs + TSENSOR_SENSOR0_CONFIG1);
|
||||
|
||||
/* program LEVEL3 counter threshold */
|
||||
val = readl_relaxed(tsc->regs + TSENSOR_SENSOR0_CONFIG2);
|
||||
val &= ~TSENSOR_SENSOR0_CONFIG2_TH3;
|
||||
val |= FIELD_PREP(TSENSOR_SENSOR0_CONFIG2_TH3, crit_trip);
|
||||
writel_relaxed(val, tsc->regs + TSENSOR_SENSOR0_CONFIG2);
|
||||
|
||||
/*
|
||||
* Enable sensor, emergency shutdown, interrupts for level 1/2/3
|
||||
* breaches and counter overflow condition.
|
||||
*
|
||||
* Disable DIV2 throttle for now since we need to figure out how
|
||||
* to integrate it properly with the thermal framework.
|
||||
*
|
||||
* Thermal levels supported by hardware:
|
||||
*
|
||||
* Level 0 = cold
|
||||
* Level 1 = passive cooling (cpufreq DVFS)
|
||||
* Level 2 = passive cooling assisted by hardware (DIV2)
|
||||
* Level 3 = emergency shutdown assisted by hardware (PMC)
|
||||
*/
|
||||
val = readl_relaxed(tsc->regs + TSENSOR_SENSOR0_CONFIG0);
|
||||
val &= ~TSENSOR_SENSOR0_CONFIG0_SENSOR_STOP;
|
||||
val |= FIELD_PREP(TSENSOR_SENSOR0_CONFIG0_DVFS_EN, 1);
|
||||
val |= FIELD_PREP(TSENSOR_SENSOR0_CONFIG0_HW_FREQ_DIV_EN, 0);
|
||||
val |= FIELD_PREP(TSENSOR_SENSOR0_CONFIG0_THERMAL_RST_EN, 1);
|
||||
val |= FIELD_PREP(TSENSOR_SENSOR0_CONFIG0_INTR_OVERFLOW_EN, 1);
|
||||
val |= FIELD_PREP(TSENSOR_SENSOR0_CONFIG0_INTR_HW_FREQ_DIV_EN, 1);
|
||||
val |= FIELD_PREP(TSENSOR_SENSOR0_CONFIG0_INTR_THERMAL_RST_EN, 1);
|
||||
writel_relaxed(val, tsc->regs + TSENSOR_SENSOR0_CONFIG0);
|
||||
|
||||
mutex_unlock(&tzd->lock);
|
||||
|
||||
err = thermal_zone_device_enable(tzd);
|
||||
if (err) {
|
||||
dev_err(ts->dev, "ch%u: failed to enable zone: %d\n", id, err);
|
||||
return err;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static bool tegra_tsensor_fuse_read_spare(unsigned int spare)
|
||||
{
|
||||
u32 val = 0;
|
||||
|
||||
tegra_fuse_readl(TEGRA30_FUSE_SPARE_BIT + spare * 4, &val);
|
||||
|
||||
return !!val;
|
||||
}
|
||||
|
||||
static int tegra_tsensor_nvmem_setup(struct tegra_tsensor *ts)
|
||||
{
|
||||
u32 i, ate_ver = 0, cal = 0, t1_25C = 0, t2_90C = 0;
|
||||
int err, c1_25C, c2_90C;
|
||||
|
||||
err = tegra_fuse_readl(TEGRA30_FUSE_TEST_PROG_VER, &ate_ver);
|
||||
if (err) {
|
||||
dev_err_probe(ts->dev, err, "failed to get ATE version\n");
|
||||
return err;
|
||||
}
|
||||
|
||||
if (ate_ver < 8) {
|
||||
dev_info(ts->dev, "unsupported ATE version: %u\n", ate_ver);
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
/*
|
||||
* We have two TSENSOR channels in a two different spots on SoC.
|
||||
* Second channel provides more accurate data on older SoC versions,
|
||||
* use it as a primary channel.
|
||||
*/
|
||||
if (ate_ver <= 21) {
|
||||
dev_info_once(ts->dev,
|
||||
"older ATE version detected, channels remapped\n");
|
||||
ts->swap_channels = true;
|
||||
}
|
||||
|
||||
err = tegra_fuse_readl(TEGRA30_FUSE_TSENSOR_CALIB, &cal);
|
||||
if (err) {
|
||||
dev_err(ts->dev, "failed to get calibration data: %d\n", err);
|
||||
return err;
|
||||
}
|
||||
|
||||
/* get calibrated counter values for 25C/90C thresholds */
|
||||
c1_25C = FIELD_GET(TEGRA30_FUSE_TSENSOR_CALIB_LOW, cal);
|
||||
c2_90C = FIELD_GET(TEGRA30_FUSE_TSENSOR_CALIB_HIGH, cal);
|
||||
|
||||
/* and calibrated temperatures corresponding to the counter values */
|
||||
for (i = 0; i < 7; i++) {
|
||||
t1_25C |= tegra_tsensor_fuse_read_spare(14 + i) << i;
|
||||
t1_25C |= tegra_tsensor_fuse_read_spare(21 + i) << i;
|
||||
|
||||
t2_90C |= tegra_tsensor_fuse_read_spare(0 + i) << i;
|
||||
t2_90C |= tegra_tsensor_fuse_read_spare(7 + i) << i;
|
||||
}
|
||||
|
||||
if (c2_90C - c1_25C <= t2_90C - t1_25C) {
|
||||
dev_err(ts->dev, "invalid calibration data: %d %d %u %u\n",
|
||||
c2_90C, c1_25C, t2_90C, t1_25C);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/* all calibration coefficients are premultiplied by 1000000 */
|
||||
|
||||
ts->calib.a = DIV_ROUND_CLOSEST((t2_90C - t1_25C) * 1000000,
|
||||
(c2_90C - c1_25C));
|
||||
|
||||
ts->calib.b = t1_25C * 1000000 - ts->calib.a * c1_25C;
|
||||
|
||||
if (tegra_sku_info.revision == TEGRA_REVISION_A01) {
|
||||
ts->calib.m = -2775;
|
||||
ts->calib.n = 1338811;
|
||||
ts->calib.p = -7300000;
|
||||
} else {
|
||||
ts->calib.m = -3512;
|
||||
ts->calib.n = 1528943;
|
||||
ts->calib.p = -11100000;
|
||||
}
|
||||
|
||||
/* except the coefficient of a reduced quadratic equation */
|
||||
ts->calib.r = DIV_ROUND_CLOSEST(ts->calib.n, ts->calib.m * 2);
|
||||
|
||||
dev_info_once(ts->dev,
|
||||
"calibration: %d %d %u %u ATE ver: %u SoC rev: %u\n",
|
||||
c2_90C, c1_25C, t2_90C, t1_25C, ate_ver,
|
||||
tegra_sku_info.revision);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tegra_tsensor_register_channel(struct tegra_tsensor *ts,
|
||||
unsigned int id)
|
||||
{
|
||||
struct tegra_tsensor_channel *tsc = &ts->ch[id];
|
||||
unsigned int hw_id = ts->swap_channels ? !id : id;
|
||||
|
||||
tsc->ts = ts;
|
||||
tsc->id = id;
|
||||
tsc->regs = ts->regs + 0x40 * (hw_id + 1);
|
||||
|
||||
tsc->tzd = devm_thermal_zone_of_sensor_register(ts->dev, id, tsc, &ops);
|
||||
if (IS_ERR(tsc->tzd)) {
|
||||
if (PTR_ERR(tsc->tzd) != -ENODEV)
|
||||
return dev_err_probe(ts->dev, PTR_ERR(tsc->tzd),
|
||||
"failed to register thermal zone\n");
|
||||
|
||||
/*
|
||||
* It's okay if sensor isn't assigned to any thermal zone
|
||||
* in a device-tree.
|
||||
*/
|
||||
tsc->tzd = NULL;
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (devm_thermal_add_hwmon_sysfs(tsc->tzd))
|
||||
dev_warn(ts->dev, "failed to add hwmon sysfs attributes\n");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tegra_tsensor_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct tegra_tsensor *ts;
|
||||
unsigned int i;
|
||||
int err, irq;
|
||||
|
||||
ts = devm_kzalloc(&pdev->dev, sizeof(*ts), GFP_KERNEL);
|
||||
if (!ts)
|
||||
return -ENOMEM;
|
||||
|
||||
irq = platform_get_irq(pdev, 0);
|
||||
if (irq < 0)
|
||||
return irq;
|
||||
|
||||
ts->dev = &pdev->dev;
|
||||
platform_set_drvdata(pdev, ts);
|
||||
|
||||
ts->regs = devm_platform_ioremap_resource(pdev, 0);
|
||||
if (IS_ERR(ts->regs))
|
||||
return PTR_ERR(ts->regs);
|
||||
|
||||
ts->clk = devm_clk_get(&pdev->dev, NULL);
|
||||
if (IS_ERR(ts->clk))
|
||||
return dev_err_probe(&pdev->dev, PTR_ERR(ts->clk),
|
||||
"failed to get clock\n");
|
||||
|
||||
ts->rst = devm_reset_control_get_exclusive(&pdev->dev, NULL);
|
||||
if (IS_ERR(ts->rst))
|
||||
return dev_err_probe(&pdev->dev, PTR_ERR(ts->rst),
|
||||
"failed to get reset control\n");
|
||||
|
||||
err = tegra_tsensor_nvmem_setup(ts);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
err = tegra_tsensor_hw_enable(ts);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
err = devm_add_action_or_reset(&pdev->dev,
|
||||
devm_tegra_tsensor_hw_disable,
|
||||
ts);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(ts->ch); i++) {
|
||||
err = tegra_tsensor_register_channel(ts, i);
|
||||
if (err)
|
||||
return err;
|
||||
}
|
||||
|
||||
err = devm_request_threaded_irq(&pdev->dev, irq, NULL,
|
||||
tegra_tsensor_isr, IRQF_ONESHOT,
|
||||
"tegra_tsensor", ts);
|
||||
if (err)
|
||||
return dev_err_probe(&pdev->dev, err,
|
||||
"failed to request interrupt\n");
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(ts->ch); i++) {
|
||||
err = tegra_tsensor_enable_hw_channel(ts, i);
|
||||
if (err)
|
||||
return err;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int __maybe_unused tegra_tsensor_suspend(struct device *dev)
|
||||
{
|
||||
struct tegra_tsensor *ts = dev_get_drvdata(dev);
|
||||
unsigned int i;
|
||||
int err;
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(ts->ch); i++) {
|
||||
err = tegra_tsensor_disable_hw_channel(ts, i);
|
||||
if (err)
|
||||
goto enable_channel;
|
||||
}
|
||||
|
||||
err = tegra_tsensor_hw_disable(ts);
|
||||
if (err)
|
||||
goto enable_channel;
|
||||
|
||||
return 0;
|
||||
|
||||
enable_channel:
|
||||
while (i--)
|
||||
tegra_tsensor_enable_hw_channel(ts, i);
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
static int __maybe_unused tegra_tsensor_resume(struct device *dev)
|
||||
{
|
||||
struct tegra_tsensor *ts = dev_get_drvdata(dev);
|
||||
unsigned int i;
|
||||
int err;
|
||||
|
||||
err = tegra_tsensor_hw_enable(ts);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(ts->ch); i++) {
|
||||
err = tegra_tsensor_enable_hw_channel(ts, i);
|
||||
if (err)
|
||||
return err;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct dev_pm_ops tegra_tsensor_pm_ops = {
|
||||
SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(tegra_tsensor_suspend,
|
||||
tegra_tsensor_resume)
|
||||
};
|
||||
|
||||
static const struct of_device_id tegra_tsensor_of_match[] = {
|
||||
{ .compatible = "nvidia,tegra30-tsensor", },
|
||||
{},
|
||||
};
|
||||
MODULE_DEVICE_TABLE(of, tegra_tsensor_of_match);
|
||||
|
||||
static struct platform_driver tegra_tsensor_driver = {
|
||||
.probe = tegra_tsensor_probe,
|
||||
.driver = {
|
||||
.name = "tegra30-tsensor",
|
||||
.of_match_table = tegra_tsensor_of_match,
|
||||
.pm = &tegra_tsensor_pm_ops,
|
||||
},
|
||||
};
|
||||
module_platform_driver(tegra_tsensor_driver);
|
||||
|
||||
MODULE_DESCRIPTION("NVIDIA Tegra30 Thermal Sensor driver");
|
||||
MODULE_AUTHOR("Dmitry Osipenko <digetx@gmail.com>");
|
||||
MODULE_LICENSE("GPL");
|
@ -109,6 +109,12 @@ extern int qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt,
|
||||
u32 *resp);
|
||||
|
||||
extern int qcom_scm_qsmmu500_wait_safe_toggle(bool en);
|
||||
|
||||
extern int qcom_scm_lmh_dcvsh(u32 payload_fn, u32 payload_reg, u32 payload_val,
|
||||
u64 limit_node, u32 node_id, u64 version);
|
||||
extern int qcom_scm_lmh_profile_change(u32 profile_id);
|
||||
extern bool qcom_scm_lmh_dcvsh_available(void);
|
||||
|
||||
#else
|
||||
|
||||
#include <linux/errno.h>
|
||||
@ -170,5 +176,13 @@ static inline int qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt,
|
||||
|
||||
static inline int qcom_scm_qsmmu500_wait_safe_toggle(bool en)
|
||||
{ return -ENODEV; }
|
||||
|
||||
static inline int qcom_scm_lmh_dcvsh(u32 payload_fn, u32 payload_reg, u32 payload_val,
|
||||
u64 limit_node, u32 node_id, u64 version)
|
||||
{ return -ENODEV; }
|
||||
|
||||
static inline int qcom_scm_lmh_profile_change(u32 profile_id) { return -ENODEV; }
|
||||
|
||||
static inline bool qcom_scm_lmh_dcvsh_available(void) { return -ENODEV; }
|
||||
#endif
|
||||
#endif
|
||||
|
@ -285,7 +285,7 @@ struct thermal_zone_params {
|
||||
};
|
||||
|
||||
/**
|
||||
* struct thermal_zone_of_device_ops - scallbacks for handling DT based zones
|
||||
* struct thermal_zone_of_device_ops - callbacks for handling DT based zones
|
||||
*
|
||||
* Mandatory:
|
||||
* @get_temp: a pointer to a function that reads the sensor temperature.
|
||||
@ -404,12 +404,13 @@ static inline void thermal_zone_device_unregister(
|
||||
struct thermal_zone_device *tz)
|
||||
{ }
|
||||
static inline struct thermal_cooling_device *
|
||||
thermal_cooling_device_register(char *type, void *devdata,
|
||||
thermal_cooling_device_register(const char *type, void *devdata,
|
||||
const struct thermal_cooling_device_ops *ops)
|
||||
{ return ERR_PTR(-ENODEV); }
|
||||
static inline struct thermal_cooling_device *
|
||||
thermal_of_cooling_device_register(struct device_node *np,
|
||||
char *type, void *devdata, const struct thermal_cooling_device_ops *ops)
|
||||
const char *type, void *devdata,
|
||||
const struct thermal_cooling_device_ops *ops)
|
||||
{ return ERR_PTR(-ENODEV); }
|
||||
static inline struct thermal_cooling_device *
|
||||
devm_thermal_of_cooling_device_register(struct device *dev,
|
||||
|
@ -10,10 +10,9 @@ override CFLAGS+= $(call cc-option,-O3,-O1) ${WARNFLAGS}
|
||||
# Add "-fstack-protector" only if toolchain supports it.
|
||||
override CFLAGS+= $(call cc-option,-fstack-protector-strong)
|
||||
CC?= $(CROSS_COMPILE)gcc
|
||||
PKG_CONFIG?= pkg-config
|
||||
PKG_CONFIG?= $(CROSS_COMPILE)pkg-config
|
||||
|
||||
override CFLAGS+=-D VERSION=\"$(VERSION)\"
|
||||
LDFLAGS+=
|
||||
TARGET=tmon
|
||||
|
||||
INSTALL_PROGRAM=install -m 755 -p
|
||||
@ -33,7 +32,6 @@ override CFLAGS += $(shell $(PKG_CONFIG) --cflags $(STATIC) panelw ncursesw 2> /
|
||||
$(PKG_CONFIG) --cflags $(STATIC) panel ncurses 2> /dev/null)
|
||||
|
||||
OBJS = tmon.o tui.o sysfs.o pid.o
|
||||
OBJS +=
|
||||
|
||||
tmon: $(OBJS) Makefile tmon.h
|
||||
$(CC) $(CFLAGS) $(LDFLAGS) $(OBJS) -o $(TARGET) $(TMON_LIBS)
|
||||
@ -42,15 +40,13 @@ valgrind: tmon
|
||||
sudo valgrind -v --track-origins=yes --tool=memcheck --leak-check=yes --show-reachable=yes --num-callers=20 --track-fds=yes ./$(TARGET) 1> /dev/null
|
||||
|
||||
install:
|
||||
- mkdir -p $(INSTALL_ROOT)/$(BINDIR)
|
||||
- $(INSTALL_PROGRAM) "$(TARGET)" "$(INSTALL_ROOT)/$(BINDIR)/$(TARGET)"
|
||||
- $(INSTALL_PROGRAM) -D "$(TARGET)" "$(INSTALL_ROOT)/$(BINDIR)/$(TARGET)"
|
||||
|
||||
uninstall:
|
||||
$(DEL_FILE) "$(INSTALL_ROOT)/$(BINDIR)/$(TARGET)"
|
||||
|
||||
clean:
|
||||
find . -name "*.o" | xargs $(DEL_FILE)
|
||||
rm -f $(TARGET)
|
||||
rm -f $(TARGET) $(OBJS)
|
||||
|
||||
dist:
|
||||
git tag v$(VERSION)
|
||||
|
Loading…
Reference in New Issue
Block a user