[PATCH v5 6/9] platform/x86: asus-armoury: add dgpu tgp control

["Luke D. Jones" <luke@ljones.dev>]

Implement the dgpu TGP control under the asus-armoury module using the
fw_attributes class.

Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Luke D. Jones <luke@ljones.dev>
---
 drivers/platform/x86/asus-armoury.c        | 21 +++++++++++++++++++++
 drivers/platform/x86/asus-armoury.h        | 18 ++++++++++++++++++
 include/linux/platform_data/x86/asus-wmi.h |  3 +++
 3 files changed, 42 insertions(+)

diff --git a/drivers/platform/x86/asus-armoury.c b/drivers/platform/x86/asus-armoury.c
index aadeb2a41ca6..2a9f4b626f12 100644
--- a/drivers/platform/x86/asus-armoury.c
+++ b/drivers/platform/x86/asus-armoury.c
@@ -45,6 +45,9 @@
 #define NVIDIA_BOOST_MAX 25
 #define NVIDIA_TEMP_MIN 75
 #define NVIDIA_TEMP_MAX 87
+#define NVIDIA_POWER_MIN 0
+#define NVIDIA_POWER_MAX 70
+#define NVIDIA_POWER_DEFAULT 70
 #define PPT_CPU_LIMIT_MIN 5
 #define PPT_CPU_LIMIT_MAX 150
 #define PPT_CPU_LIMIT_DEFAULT 80
@@ -77,6 +80,11 @@ struct rog_tunables {
 	u32 nv_temp_min;
 	u32 nv_temp_max;
 	u32 nv_temp_target;
+
+	u32 dgpu_tgp_default;
+	u32 dgpu_tgp_min;
+	u32 dgpu_tgp_max;
+	u32 dgpu_tgp;
 };
 
 static const struct class *fw_attr_class;
@@ -477,6 +485,12 @@ ATTR_GROUP_ROG_TUNABLE(nv_dynamic_boost, "nv_dynamic_boost", ASUS_WMI_DEVID_NV_D
 ATTR_GROUP_ROG_TUNABLE(nv_temp_target, "nv_temp_target", ASUS_WMI_DEVID_NV_THERM_TARGET,
 		       nv_temp_default, nv_boost_min, nv_temp_max, 1,
 		       "Set the Nvidia max thermal limit");
+ATTR_GROUP_ROG_TUNABLE(dgpu_tgp, "dgpu_tgp", ASUS_WMI_DEVID_DGPU_SET_TGP, dgpu_tgp_default,
+		       dgpu_tgp_min, dgpu_tgp_max, 1,
+		       "Set the additional TGP on top of the base TGP");
+
+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_ENUM_INT_RO(charge_mode, "charge_mode", ASUS_WMI_DEVID_CHARGE_MODE, "0;1;2",
 		       "Show the current mode of charging");
@@ -505,6 +519,8 @@ static const struct asus_attr_group armoury_attr_groups[] = {
 	{ &ppt_fppt_attr_group, ASUS_WMI_DEVID_PPT_FPPT },
 	{ &nv_dynamic_boost_attr_group, ASUS_WMI_DEVID_NV_DYN_BOOST },
 	{ &nv_temp_target_attr_group, ASUS_WMI_DEVID_NV_THERM_TARGET },
+	{ &dgpu_base_tgp_attr_group, ASUS_WMI_DEVID_DGPU_BASE_TGP },
+	{ &dgpu_tgp_attr_group, ASUS_WMI_DEVID_DGPU_SET_TGP },
 
 	{ &charge_mode_attr_group, ASUS_WMI_DEVID_CHARGE_MODE },
 	{ &boot_sound_attr_group, ASUS_WMI_DEVID_BOOT_SOUND },
@@ -673,6 +689,11 @@ static void init_rog_tunables(struct rog_tunables *rog)
 	rog->nv_temp_max = NVIDIA_TEMP_MIN;
 	rog->nv_temp_max = NVIDIA_TEMP_MAX;
 	rog->nv_temp_target = NVIDIA_TEMP_MIN;
+
+	rog->dgpu_tgp_default = NVIDIA_POWER_DEFAULT;
+	rog->dgpu_tgp_min = NVIDIA_POWER_MIN;
+	rog->dgpu_tgp_max = NVIDIA_POWER_MAX;
+	rog->dgpu_tgp = NVIDIA_POWER_MAX;
 }
 
 static int __init asus_fw_init(void)
diff --git a/drivers/platform/x86/asus-armoury.h b/drivers/platform/x86/asus-armoury.h
index ca570ed9c8ef..e08459cad942 100644
--- a/drivers/platform/x86/asus-armoury.h
+++ b/drivers/platform/x86/asus-armoury.h
@@ -89,6 +89,20 @@ static ssize_t enum_type_show(struct kobject *kobj, struct kobj_attribute *attr,
 	static struct kobj_attribute attr_##_attrname##_##_prop =             \
 		__ASUS_ATTR_RO(_attrname, _prop)
 
+/* Requires current_value_show */
+#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            \
+	}
+
 /* Boolean style enumeration, base macro. Requires adding show/store */
 #define __ATTR_GROUP_ENUM(_attrname, _fsname, _possible, _dispname)     \
 	__ATTR_SHOW_FMT(display_name, _attrname, "%s\n", _dispname);    \
@@ -106,6 +120,10 @@ static ssize_t enum_type_show(struct kobject *kobj, struct kobj_attribute *attr,
 		.name = _fsname, .attrs = _attrname##_attrs             \
 	}
 
+#define ATTR_GROUP_INT_VALUE_ONLY_RO(_attrname, _fsname, _wmi, _dispname) \
+	__ATTR_CURRENT_INT_RO(_attrname, _wmi);                           \
+	__ATTR_GROUP_INT_VALUE_ONLY(_attrname, _fsname, _dispname)
+
 #define ATTR_GROUP_BOOL_RO(_attrname, _fsname, _wmi, _dispname) \
 	__ATTR_CURRENT_INT_RO(_attrname, _wmi);                 \
 	__ATTR_GROUP_ENUM(_attrname, _fsname, "0;1", _dispname)
diff --git a/include/linux/platform_data/x86/asus-wmi.h b/include/linux/platform_data/x86/asus-wmi.h
index a6064995c2cc..8c755799eb60 100644
--- a/include/linux/platform_data/x86/asus-wmi.h
+++ b/include/linux/platform_data/x86/asus-wmi.h
@@ -137,6 +137,9 @@
 /* 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
-- 
2.46.1