Implement the dgpu TGP control under the asus-bioscfg module using the
fw_attributes class.
Signed-off-by: Luke D. Jones <luke@xxxxxxxxxx>
---
drivers/platform/x86/asus-bioscfg.c | 9 +++++++
drivers/platform/x86/asus-bioscfg.h | 30 ++++++++++++++++++++++
include/linux/platform_data/x86/asus-wmi.h | 3 +++
3 files changed, 42 insertions(+)
diff --git a/drivers/platform/x86/asus-bioscfg.c b/drivers/platform/x86/asus-bioscfg.c
index 0b34e727aab4..551b7dbd8fe7 100644
--- a/drivers/platform/x86/asus-bioscfg.c
+++ b/drivers/platform/x86/asus-bioscfg.c
@@ -52,6 +52,7 @@ MODULE_ALIAS("wmi:"ASUS_NB_WMI_EVENT_GUID);
#define NVIDIA_BOOST_MAX 25
#define NVIDIA_TEMP_MIN 75
#define NVIDIA_TEMP_MAX 87
+#define NVIDIA_GPU_POWER_MAX 70
/* Tunables provided by ASUS for gaming laptops */
struct rog_tunables {
@@ -443,6 +444,10 @@ ATTR_GROUP_PPT_RW(nv_dynamic_boost, "nv_dynamic_boost", ASUS_WMI_DEVID_NV_DYN_BO
nv_boost_default, 5, nv_boost_max, 1, "Set the Nvidia dynamic boost limit");
ATTR_GROUP_PPT_RW(nv_temp_target, "nv_temp_target", ASUS_WMI_DEVID_NV_THERM_TARGET,
nv_temp_default, 75, nv_temp_max, 1, "Set the Nvidia max thermal limit");
+ATTR_GROUP_INT_VALUE_ONLY_RO(dgpu_base_tgp, "dgpu_base_tgp", ASUS_WMI_DEVID_DGPU_BASE_TGP,
+ "Read the base TGP value")
+ATTR_GROUP_INT_RW(dgpu_tgp, "dgpu_tgp", ASUS_WMI_DEVID_DGPU_SET_TGP,
+ 70, 0, NVIDIA_GPU_POWER_MAX, 1, "Set the additional TGP on top of the base TGP");
ATTR_GROUP_ENUM_INT_RO(charge_mode, "charge_mode", ASUS_WMI_DEVID_CHARGE_MODE,
"0;1;2", "Show the current mode of charging");
@@ -534,6 +539,10 @@ static int asus_fw_attr_add(void)
sysfs_create_group(&asus_bioscfg.fw_attr_kset->kobj, &nv_dynamic_boost_attr_group);
if (asus_wmi_is_present(ASUS_WMI_DEVID_NV_THERM_TARGET))
sysfs_create_group(&asus_bioscfg.fw_attr_kset->kobj, &nv_temp_target_attr_group);
+ if (asus_wmi_is_present(ASUS_WMI_DEVID_DGPU_BASE_TGP))
+ sysfs_create_group(&asus_bioscfg.fw_attr_kset->kobj, &dgpu_base_tgp_attr_group);
+ if (asus_wmi_is_present(ASUS_WMI_DEVID_DGPU_SET_TGP))
+ sysfs_create_group(&asus_bioscfg.fw_attr_kset->kobj, &dgpu_tgp_attr_group);
if (asus_wmi_is_present(ASUS_WMI_DEVID_CHARGE_MODE))
sysfs_create_group(&asus_bioscfg.fw_attr_kset->kobj, &charge_mode_attr_group);
diff --git a/drivers/platform/x86/asus-bioscfg.h b/drivers/platform/x86/asus-bioscfg.h
index 403563c25f53..2da55a91ff0b 100644
--- a/drivers/platform/x86/asus-bioscfg.h
+++ b/drivers/platform/x86/asus-bioscfg.h
@@ -113,6 +113,22 @@ static ssize_t _attrname##_##_prop##_show(struct kobject *kobj, \
static struct kobj_attribute attr_##_attrname##_##_prop = \
__ASUS_ATTR_RO(_attrname, _prop)
+/* Requires current_value show&|store */
+#define __ATTR_GROUP_INT_VALUE_ONLY(_attrname, _fsname, _dispname) \
+__ATTR_SHOW_FMT(display_name, _attrname, "%s\n", _dispname); \
+static struct kobj_attribute attr_##_attrname##_type = \
+ __ASUS_ATTR_RO_AS(type, int_type_show); \
+static struct attribute *_attrname##_attrs[] = { \
+ &attr_##_attrname##_current_value.attr, \
+ &attr_##_attrname##_display_name.attr, \
+ &attr_##_attrname##_type.attr, \
+ NULL \
+}; \
+static const struct attribute_group _attrname##_attr_group = { \
+ .name = _fsname, \
+ .attrs = _attrname##_attrs \
+}
+
/* Int style min/max range, base macro. Requires current_value show&|store */
#define __ATTR_GROUP_INT(_attrname, _fsname, _default, \
_min, _max, _incstep, _dispname)\
@@ -156,6 +172,20 @@ static const struct attribute_group _attrname##_attr_group = { \
.attrs = _attrname##_attrs \
}
+#define ATTR_GROUP_INT_VALUE_ONLY_RO(_attrname, _fsname, _wmi, _dispname) \
+do { \
+ __ATTR_CURRENT_INT_RO(_attrname, _wmi); \
+ __ATTR_GROUP_INT_VALUE_ONLY(_attrname, _fsname, _dispname); \
+} while (0)
+
+#define ATTR_GROUP_INT_RW(_attrname, _fsname, _wmi, _default, _min, \
+ _max, _incstep, _dispname) \
+do { \
+ __ATTR_CURRENT_INT_RW(_attrname, _min, _max, _wmi); \
+ __ATTR_GROUP_INT(_attrname, _fsname, _default, _min, _max, \
+ _incstep, _dispname); \
+} while (0)
+
#define ATTR_GROUP_BOOL_RO(_attrname, _fsname, _wmi, _dispname) \
do { \
__ATTR_CURRENT_INT_RO(_attrname, _wmi); \
diff --git a/include/linux/platform_data/x86/asus-wmi.h b/include/linux/platform_data/x86/asus-wmi.h
index 889336a932fb..c54264653d75 100644
--- a/include/linux/platform_data/x86/asus-wmi.h
+++ b/include/linux/platform_data/x86/asus-wmi.h
@@ -128,6 +128,9 @@
/* dgpu on/off */
#define ASUS_WMI_DEVID_DGPU 0x00090020
+#define ASUS_WMI_DEVID_DGPU_BASE_TGP 0x00120099
+#define ASUS_WMI_DEVID_DGPU_SET_TGP 0x00120098
+
/* gpu mux switch, 0 = dGPU, 1 = Optimus */
#define ASUS_WMI_DEVID_GPU_MUX 0x00090016
#define ASUS_WMI_DEVID_GPU_MUX_VIVO 0x00090026
--
2.45.2
