1 // SPDX-License-Identifier: GPL-2.0-or-later
6  * that are present in many gaming and some non-gaming ASUS laptops.
31 #include <linux/platform_data/x86/asus-wmi.h>
36 #include "asus-armoury.h"
39 #define ASUS_NB_WMI_EVENT_GUID "0B3CBB35-E3C2-45ED-91C2-4C5A6D195D1C"
47 /* New modes for devices with 3 mini-led mode types */
52 /* Power tunable attribute name defines */
118 	kobject_uevent(&asus_armoury.fw_attr_dev->kobj, KOBJ_CHANGE);  in asus_set_reboot_and_signal_event()
121 static ssize_t pending_reboot_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf)  in pending_reboot_show()  argument
128 static bool asus_bios_requires_reboot(struct kobj_attribute *attr)  in asus_bios_requires_reboot()  argument
130 	return !strcmp(attr->attr.name, "gpu_mux_mode") ||  in asus_bios_requires_reboot()
131 	       !strcmp(attr->attr.name, "panel_hd_mode");  in asus_bios_requires_reboot()
135  * armoury_has_devstate() - Check presence of the WMI function state.
153  * armoury_get_devstate() - Get the WMI function state.
154  * @attr: NULL or the kobj_attribute associated to called WMI function.
157  * * non-NULL pointer to where to store the value returned from WMI
163  * * %-ENODEV	- method ID is unsupported.
164  * * %0		- successful and retval is filled.
165  * * %other	- error from WMI call.
167 static int armoury_get_devstate(struct kobj_attribute *attr, u32 *retval, u32 dev_id)  in armoury_get_devstate()  argument
173 		if (attr)  in armoury_get_devstate()
174 			pr_err("Failed to get %s: %d\n", attr->attr.name, err);  in armoury_get_devstate()
191  * armoury_set_devstate() - Set the WMI function state.
192  * @attr: The kobj_attribute associated to called WMI function.
208  * * %-EINVAL	- attempt to set a dangerous or unsupported value.
209  * * %-EIO	- WMI function returned an error.
210  * * %0		- successful and retval is filled.
211  * * %other	- error from WMI call.
213 static int armoury_set_devstate(struct kobj_attribute *attr,  in armoury_set_devstate()  argument
231 			return -EINVAL;  in armoury_set_devstate()
241 		if (attr)  in armoury_set_devstate()
242 			pr_err("Failed to set %s: %d\n", attr->attr.name, err);  in armoury_set_devstate()
254 		pr_err("Failed to set %s: (result): 0x%x\n", attr->attr.name, result);  in armoury_set_devstate()
255 		return -EIO;  in armoury_set_devstate()
277 ssize_t armoury_attr_uint_store(struct kobject *kobj, struct kobj_attribute *attr,  in armoury_attr_uint_store()  argument
278 				const char *buf, size_t count, u32 min, u32 max,  in armoury_attr_uint_store()  argument
288 	if (value < min || value > max)  in armoury_attr_uint_store()
289 		return -EINVAL;  in armoury_attr_uint_store()
291 	err = armoury_set_devstate(attr, value, NULL, wmi_dev);  in armoury_attr_uint_store()
297 	sysfs_notify(kobj, NULL, attr->attr.name);  in armoury_attr_uint_store()
299 	if (asus_bios_requires_reboot(attr))  in armoury_attr_uint_store()
305 ssize_t armoury_attr_uint_show(struct kobject *kobj, struct kobj_attribute *attr,  in armoury_attr_uint_show()  argument
311 	err = armoury_get_devstate(attr, &result, wmi_dev);  in armoury_attr_uint_show()
318 static ssize_t enum_type_show(struct kobject *kobj, struct kobj_attribute *attr,  in enum_type_show()  argument
324 static ssize_t int_type_show(struct kobject *kobj, struct kobj_attribute *attr,  in int_type_show()  argument
330 /* Mini-LED mode **************************************************************/
332 /* Values map for mini-led modes on 2023 and earlier models. */
338 /* Values map for mini-led modes on 2024 and later models. */
346 						struct kobj_attribute *attr, char *buf)  in mini_led_mode_current_value_show()  argument
365 		pr_err("Unrecognized mini-LED device: %u\n", asus_armoury.mini_led_dev_id);  in mini_led_mode_current_value_show()
366 		return -ENODEV;  in mini_led_mode_current_value_show()
369 	err = armoury_get_devstate(attr, &mode, asus_armoury.mini_led_dev_id);  in mini_led_mode_current_value_show()
379 	pr_warn("Unrecognized mini-LED mode: %u", mode);  in mini_led_mode_current_value_show()
380 	return -EINVAL;  in mini_led_mode_current_value_show()
384 						 struct kobj_attribute *attr,  in mini_led_mode_current_value_store()  argument
408 		pr_err("Unrecognized mini-LED devid: %u\n", asus_armoury.mini_led_dev_id);  in mini_led_mode_current_value_store()
409 		return -EINVAL;  in mini_led_mode_current_value_store()
413 		pr_warn("mini-LED mode unrecognized device: %u\n", mode);  in mini_led_mode_current_value_store()
414 		return -ENODEV;  in mini_led_mode_current_value_store()
417 	return armoury_attr_uint_store(kobj, attr, buf, count,  in mini_led_mode_current_value_store()
423 						  struct kobj_attribute *attr, char *buf)  in mini_led_mode_possible_values_show()  argument
431 		return -ENODEV;  in mini_led_mode_possible_values_show()
434 ASUS_ATTR_GROUP_ENUM(mini_led_mode, "mini_led_mode", "Set the mini-LED backlight mode");
437 						struct kobj_attribute *attr,  in gpu_mux_mode_current_value_store()  argument
454 			return -ENODEV;  in gpu_mux_mode_current_value_store()
464 			return -EBUSY;  in gpu_mux_mode_current_value_store()
468 	err = armoury_set_devstate(attr, optimus ? 1 : 0, NULL, asus_armoury.gpu_mux_dev_id);  in gpu_mux_mode_current_value_store()
472 	sysfs_notify(kobj, NULL, attr->attr.name);  in gpu_mux_mode_current_value_store()
481 						struct kobj_attribute *attr, const char *buf,  in dgpu_disable_current_value_store()  argument
497 			return -EBUSY;  in dgpu_disable_current_value_store()
502 		err = armoury_set_devstate(attr, disable ? 1 : 0, NULL, ASUS_WMI_DEVID_DGPU);  in dgpu_disable_current_value_store()
507 	sysfs_notify(kobj, NULL, attr->attr.name);  in dgpu_disable_current_value_store()
523  * armoury_pci_rescan() - Performs a PCI rescan
544 static ssize_t egpu_enable_current_value_store(struct kobject *kobj, struct kobj_attribute *attr,  in egpu_enable_current_value_store()  argument
555 		return -EINVAL;  in egpu_enable_current_value_store()
568 				return -ENOENT;  in egpu_enable_current_value_store()
579 				return -ENODEV;  in egpu_enable_current_value_store()
583 		err = armoury_set_devstate(attr, enable, &result, ASUS_WMI_DEVID_EGPU);  in egpu_enable_current_value_store()
585 			pr_err("Failed to set %s: %d\n", attr->attr.name, err);  in egpu_enable_current_value_store()
591 		 * performing a pci rescan will bring up the device in pci-e 3.0 speed,  in egpu_enable_current_value_store()
601 				err = armoury_get_devstate(attr, &result, ASUS_WMI_DEVID_EGPU);  in egpu_enable_current_value_store()
608 					return -EBUSY;  in egpu_enable_current_value_store()
619 			return -EIO;  in egpu_enable_current_value_store()
629 	sysfs_notify(kobj, NULL, attr->attr.name);  in egpu_enable_current_value_store()
634 static ssize_t egpu_enable_current_value_show(struct kobject *kobj, struct kobj_attribute *attr,  in egpu_enable_current_value_show()  argument
641 		err = armoury_get_devstate(attr, &status, ASUS_WMI_DEVID_EGPU);  in egpu_enable_current_value_show()
651 	return -EIO;  in egpu_enable_current_value_show()
654 static ssize_t egpu_enable_possible_values_show(struct kobject *kobj, struct kobj_attribute *attr,  in egpu_enable_possible_values_show()  argument
679 static ssize_t apu_mem_current_value_show(struct kobject *kobj, struct kobj_attribute *attr,  in apu_mem_current_value_show()  argument
685 	err = armoury_get_devstate(attr, &mem, ASUS_WMI_DEVID_APU_MEM);  in apu_mem_current_value_show()
699 	return -EIO;  in apu_mem_current_value_show()
702 static ssize_t apu_mem_current_value_store(struct kobject *kobj, struct kobj_attribute *attr,  in apu_mem_current_value_store()  argument
713 		return -EINVAL;  in apu_mem_current_value_store()
716 	err = armoury_set_devstate(attr, mem, NULL, ASUS_WMI_DEVID_APU_MEM);  in apu_mem_current_value_store()
723 	sysfs_notify(kobj, NULL, attr->attr.name);  in apu_mem_current_value_store()
730 static ssize_t apu_mem_possible_values_show(struct kobject *kobj, struct kobj_attribute *attr,  in apu_mem_possible_values_show()  argument
775 			    "Set the Nvidia max thermal limit");
807  * is_power_tunable_attr - Determines if an attribute is a power-related tunable
808  * @name: The name of the attribute to check
810  * This function checks if the given attribute name is related to power tuning.
812  * Return: true if the attribute is a power-related tunable, false otherwise
814 static bool is_power_tunable_attr(const char *name)  in is_power_tunable_attr()  argument
825 		if (!strcmp(name, power_tunable_attrs[i]))  in is_power_tunable_attr()
833  * has_valid_limit - Checks if a power-related attribute has a valid limit value
834  * @name: The name of the attribute to check
837  * This function checks if a power-related attribute has a valid limit value.
842 static bool has_valid_limit(const char *name, const struct power_limits *limits)  in has_valid_limit()  argument
849 	if (!strcmp(name, ATTR_PPT_PL1_SPL))  in has_valid_limit()
850 		limit_value = limits->ppt_pl1_spl_max;  in has_valid_limit()
851 	else if (!strcmp(name, ATTR_PPT_PL2_SPPT))  in has_valid_limit()
852 		limit_value = limits->ppt_pl2_sppt_max;  in has_valid_limit()
853 	else if (!strcmp(name, ATTR_PPT_PL3_FPPT))  in has_valid_limit()
854 		limit_value = limits->ppt_pl3_fppt_max;  in has_valid_limit()
855 	else if (!strcmp(name, ATTR_PPT_APU_SPPT))  in has_valid_limit()
856 		limit_value = limits->ppt_apu_sppt_max;  in has_valid_limit()
857 	else if (!strcmp(name, ATTR_PPT_PLATFORM_SPPT))  in has_valid_limit()
858 		limit_value = limits->ppt_platform_sppt_max;  in has_valid_limit()
859 	else if (!strcmp(name, ATTR_NV_DYNAMIC_BOOST))  in has_valid_limit()
860 		limit_value = limits->nv_dynamic_boost_max;  in has_valid_limit()
861 	else if (!strcmp(name, ATTR_NV_TEMP_TARGET))  in has_valid_limit()
862 		limit_value = limits->nv_temp_target_max;  in has_valid_limit()
863 	else if (!strcmp(name, ATTR_NV_BASE_TGP) ||  in has_valid_limit()
864 		 !strcmp(name, ATTR_NV_TGP))  in has_valid_limit()
865 		limit_value = limits->nv_tgp_max;  in has_valid_limit()
876 	const char *name;  in asus_fw_attr_add()  local
887 						&asus_armoury.fw_attr_dev->kobj);  in asus_fw_attr_add()
889 		err = -ENOMEM;  in asus_fw_attr_add()
893 	err = sysfs_create_file(&asus_armoury.fw_attr_kset->kobj, &pending_reboot.attr);  in asus_fw_attr_add()
906 		err = sysfs_create_group(&asus_armoury.fw_attr_kset->kobj,  in asus_fw_attr_add()
909 			pr_err("Failed to create sysfs-group for mini_led\n");  in asus_fw_attr_add()
921 		err = sysfs_create_group(&asus_armoury.fw_attr_kset->kobj,  in asus_fw_attr_add()
924 			pr_err("Failed to create sysfs-group for gpu_mux\n");  in asus_fw_attr_add()
935 		name = armoury_attr_groups[i].attr_group->name;  in asus_fw_attr_add()
937 		/* Check if this is a power-related tunable requiring limits */  in asus_fw_attr_add()
938 		if (ac_rog_tunables && ac_rog_tunables->power_limits &&  in asus_fw_attr_add()
939 		    is_power_tunable_attr(name)) {  in asus_fw_attr_add()
940 			limits = ac_rog_tunables->power_limits;  in asus_fw_attr_add()
942 			should_create = has_valid_limit(name, limits);  in asus_fw_attr_add()
944 				pr_debug("Missing max value for tunable %s\n", name);  in asus_fw_attr_add()
948 			err = sysfs_create_group(&asus_armoury.fw_attr_kset->kobj,  in asus_fw_attr_add()
951 				pr_err("Failed to create sysfs-group for %s\n",  in asus_fw_attr_add()
952 				       armoury_attr_groups[i].attr_group->name);  in asus_fw_attr_add()
961 	while (i--) {  in asus_fw_attr_add()
963 			sysfs_remove_group(&asus_armoury.fw_attr_kset->kobj,  in asus_fw_attr_add()
967 		sysfs_remove_group(&asus_armoury.fw_attr_kset->kobj, &gpu_mux_mode_attr_group);  in asus_fw_attr_add()
970 		sysfs_remove_group(&asus_armoury.fw_attr_kset->kobj, &mini_led_mode_attr_group);  in asus_fw_attr_add()
972 	sysfs_remove_file(&asus_armoury.fw_attr_kset->kobj, &pending_reboot.attr);  in asus_fw_attr_add()
983 /* Set up the min/max and defaults for ROG tunables */
999 	power_data = dmi_id->driver_data;  in init_rog_tunables()
1006 	ac_limits = power_data->ac_data;  in init_rog_tunables()
1014 		ac_rog_tunables->power_limits = ac_limits;  in init_rog_tunables()
1017 		ac_rog_tunables->ppt_pl1_spl =  in init_rog_tunables()
1018 			ac_limits->ppt_pl1_spl_def ?  in init_rog_tunables()
1019 				ac_limits->ppt_pl1_spl_def :  in init_rog_tunables()
1020 				ac_limits->ppt_pl1_spl_max;  in init_rog_tunables()
1022 		ac_rog_tunables->ppt_pl2_sppt =  in init_rog_tunables()
1023 			ac_limits->ppt_pl2_sppt_def ?  in init_rog_tunables()
1024 				ac_limits->ppt_pl2_sppt_def :  in init_rog_tunables()
1025 				ac_limits->ppt_pl2_sppt_max;  in init_rog_tunables()
1027 		ac_rog_tunables->ppt_pl3_fppt =  in init_rog_tunables()
1028 			ac_limits->ppt_pl3_fppt_def ?  in init_rog_tunables()
1029 				ac_limits->ppt_pl3_fppt_def :  in init_rog_tunables()
1030 				ac_limits->ppt_pl3_fppt_max;  in init_rog_tunables()
1032 		ac_rog_tunables->ppt_apu_sppt =  in init_rog_tunables()
1033 			ac_limits->ppt_apu_sppt_def ?  in init_rog_tunables()
1034 				ac_limits->ppt_apu_sppt_def :  in init_rog_tunables()
1035 				ac_limits->ppt_apu_sppt_max;  in init_rog_tunables()
1037 		ac_rog_tunables->ppt_platform_sppt =  in init_rog_tunables()
1038 			ac_limits->ppt_platform_sppt_def ?  in init_rog_tunables()
1039 				ac_limits->ppt_platform_sppt_def :  in init_rog_tunables()
1040 				ac_limits->ppt_platform_sppt_max;  in init_rog_tunables()
1042 		ac_rog_tunables->nv_dynamic_boost =  in init_rog_tunables()
1043 			ac_limits->nv_dynamic_boost_max;  in init_rog_tunables()
1044 		ac_rog_tunables->nv_temp_target =  in init_rog_tunables()
1045 			ac_limits->nv_temp_target_max;  in init_rog_tunables()
1046 		ac_rog_tunables->nv_tgp = ac_limits->nv_tgp_max;  in init_rog_tunables()
1048 		pr_debug("AC power limits initialized for %s\n", dmi_id->matches[0].substr);  in init_rog_tunables()
1054 	dc_limits = power_data->dc_data;  in init_rog_tunables()
1064 		dc_rog_tunables->power_limits = dc_limits;  in init_rog_tunables()
1067 		dc_rog_tunables->ppt_pl1_spl =  in init_rog_tunables()
1068 			dc_limits->ppt_pl1_spl_def ?  in init_rog_tunables()
1069 				dc_limits->ppt_pl1_spl_def :  in init_rog_tunables()
1070 				dc_limits->ppt_pl1_spl_max;  in init_rog_tunables()
1072 		dc_rog_tunables->ppt_pl2_sppt =  in init_rog_tunables()
1073 			dc_limits->ppt_pl2_sppt_def ?  in init_rog_tunables()
1074 				dc_limits->ppt_pl2_sppt_def :  in init_rog_tunables()
1075 				dc_limits->ppt_pl2_sppt_max;  in init_rog_tunables()
1077 		dc_rog_tunables->ppt_pl3_fppt =  in init_rog_tunables()
1078 			dc_limits->ppt_pl3_fppt_def ?  in init_rog_tunables()
1079 				dc_limits->ppt_pl3_fppt_def :  in init_rog_tunables()
1080 				dc_limits->ppt_pl3_fppt_max;  in init_rog_tunables()
1082 		dc_rog_tunables->ppt_apu_sppt =  in init_rog_tunables()
1083 			dc_limits->ppt_apu_sppt_def ?  in init_rog_tunables()
1084 				dc_limits->ppt_apu_sppt_def :  in init_rog_tunables()
1085 				dc_limits->ppt_apu_sppt_max;  in init_rog_tunables()
1087 		dc_rog_tunables->ppt_platform_sppt =  in init_rog_tunables()
1088 			dc_limits->ppt_platform_sppt_def ?  in init_rog_tunables()
1089 				dc_limits->ppt_platform_sppt_def :  in init_rog_tunables()
1090 				dc_limits->ppt_platform_sppt_max;  in init_rog_tunables()
1092 		dc_rog_tunables->nv_dynamic_boost =  in init_rog_tunables()
1093 			dc_limits->nv_dynamic_boost_max;  in init_rog_tunables()
1094 		dc_rog_tunables->nv_temp_target =  in init_rog_tunables()
1095 			dc_limits->nv_temp_target_max;  in init_rog_tunables()
1096 		dc_rog_tunables->nv_tgp = dc_limits->nv_tgp_max;  in init_rog_tunables()
1098 		pr_debug("DC power limits initialized for %s\n", dmi_id->matches[0].substr);  in init_rog_tunables()
1115 		return -ENODEV;  in asus_fw_init()
1122 		return -ENODEV;  in asus_fw_init()
1134 	for (i = ARRAY_SIZE(armoury_attr_groups) - 1; i >= 0; i--) {  in asus_fw_exit()
1136 			sysfs_remove_group(&asus_armoury.fw_attr_kset->kobj,  in asus_fw_exit()
1141 		sysfs_remove_group(&asus_armoury.fw_attr_kset->kobj, &gpu_mux_mode_attr_group);  in asus_fw_exit()
1144 		sysfs_remove_group(&asus_armoury.fw_attr_kset->kobj, &mini_led_mode_attr_group);  in asus_fw_exit()
1146 	sysfs_remove_file(&asus_armoury.fw_attr_kset->kobj, &pending_reboot.attr);  in asus_fw_exit()