1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*-*-linux-c-*-*/
10  * msi-laptop.c - MSI S270 laptop support. This laptop is sold under
15  * This driver exports a few files in /sys/devices/platform/msi-laptop-pf/:
17  *   lcd_level - Screen brightness: contains a single integer in the
20  *   auto_brightness - Enable automatic brightness control: contains
25  *   wlan - WLAN subsystem enabled: contains either 0 or 1. (ro)
27  *   bluetooth - Bluetooth subsystem enabled: contains either 0 or 1
33  * available to userspace under /sys/class/backlight/msi-laptop-bl/.
53 #include <linux/input/sparse-keymap.h>
72 /* Power LED is orange - Turbo mode */
74 /* Power LED is green - ECO mode */
118 	 * disable the original Wlan/Bluetooth control by BIOS when user press
121 	 * On Linux, msi-laptop driver will do the same thing to disable the
147 		return -EINVAL;  in set_lcd_level()
208 		return -EINVAL;  in set_device_state()
210 	if (quirks->ec_read_only)  in set_device_state()
293 	return set_lcd_level(b->props.brightness);  in bl_update_status()
311 	if (quirks->old_ec_model) {  in show_wlan()
335 	if (quirks->old_ec_model) {  in show_bluetooth()
360 	if (quirks->old_ec_model)  in show_threeg()
361 		return -ENODEV;  in show_threeg()
397 		return -EINVAL;  in store_lcd_level()
426 		return -EINVAL;  in store_auto_brightness()
513 		return -EINVAL;  in store_auto_fan()
561 		.name = "msi-laptop-pf",
586 	pr_info("Identified laptop model '%s'\n", dmi->ident);  in dmi_check_cb()
588 	quirks = dmi->driver_data;  in dmi_check_cb()
593 static unsigned long msi_work_delay(int msecs)  in msi_work_delay()
595 	if (quirks->ec_delay)  in msi_work_delay()
605 			DMI_MATCH(DMI_SYS_VENDOR, "MICRO-STAR INT"),
606 			DMI_MATCH(DMI_PRODUCT_NAME, "MS-1013"),
608 			DMI_MATCH(DMI_CHASSIS_VENDOR, "MICRO-STAR INT")
616 			DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
617 			DMI_MATCH(DMI_PRODUCT_NAME, "MS-1058"),
619 			DMI_MATCH(DMI_BOARD_NAME, "MS-1058")
627 			DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
628 			DMI_MATCH(DMI_PRODUCT_NAME, "MS-1412"),
630 			DMI_MATCH(DMI_BOARD_NAME, "MS-1412")
641 			DMI_MATCH(DMI_CHASSIS_VENDOR, "MICRO-STAR INT")
650 				"MICRO-STAR INTERNATIONAL CO., LTD"),
651 			DMI_MATCH(DMI_PRODUCT_NAME, "MS-N034"),
653 			"MICRO-STAR INTERNATIONAL CO., LTD")
662 				"MICRO-STAR INTERNATIONAL CO., LTD"),
663 			DMI_MATCH(DMI_PRODUCT_NAME, "MS-N051"),
665 			"MICRO-STAR INTERNATIONAL CO., LTD")
674 				"MICRO-STAR INTERNATIONAL CO., LTD"),
675 			DMI_MATCH(DMI_PRODUCT_NAME, "MS-N014"),
684 				"Micro-Star International"),
694 				"Micro-Star International Co., Ltd."),
704 				"MICRO-STAR INTERNATIONAL CO., LTD"),
775 	if (quirks->ec_read_only)  in msi_rfkill_set_state()
863 	rfk_bluetooth = rfkill_alloc("msi-bluetooth", &sdev->dev,  in rfkill_init()
867 		retval = -ENOMEM;  in rfkill_init()
874 	rfk_wlan = rfkill_alloc("msi-wlan", &sdev->dev, RFKILL_TYPE_WLAN,  in rfkill_init()
877 		retval = -ENOMEM;  in rfkill_init()
885 		rfk_threeg = rfkill_alloc("msi-threeg", &sdev->dev,  in rfkill_init()
888 			retval = -ENOMEM;  in rfkill_init()
919 	if (!quirks->load_scm_model)  in msi_scm_disable_hw_fn_handling()
948 		return -ENOMEM;  in msi_laptop_input_setup()
950 	msi_laptop_input_dev->name = "MSI Laptop hotkeys";  in msi_laptop_input_setup()
951 	msi_laptop_input_dev->phys = "msi-laptop/input0";  in msi_laptop_input_setup()
952 	msi_laptop_input_dev->id.bustype = BUS_HOST;  in msi_laptop_input_setup()
974 	if (!quirks->ec_read_only) {  in load_scm_model_init()
1019 	if (!quirks->load_scm_model)  in msi_scm_model_exit()
1034 		return -ENODEV;  in msi_init()
1043 	if (!quirks->old_ec_model)  in msi_init()
1047 		return -EINVAL;  in msi_init()
1050 	if (quirks->old_ec_model &&  in msi_init()
1055 		props.max_brightness = MSI_LCD_LEVEL_MAX - 1;  in msi_init()
1056 		msibl_device = backlight_device_register("msi-laptop-bl", NULL,  in msi_init()
1069 	msipf_device = platform_device_alloc("msi-laptop-pf", PLATFORM_DEVID_NONE);  in msi_init()
1071 		ret = -ENOMEM;  in msi_init()
1079 	if (quirks->load_scm_model && (load_scm_model_init(msipf_device) < 0)) {  in msi_init()
1080 		ret = -EINVAL;  in msi_init()
1084 	ret = sysfs_create_group(&msipf_device->dev.kobj,  in msi_init()
1089 	if (!quirks->old_ec_model) {  in msi_init()
1091 			ret = device_create_file(&msipf_device->dev,  in msi_init()
1096 		ret = sysfs_create_group(&msipf_device->dev.kobj,  in msi_init()
1112 	sysfs_remove_group(&msipf_device->dev.kobj, &msipf_attribute_group);  in msi_init()
1130 	sysfs_remove_group(&msipf_device->dev.kobj, &msipf_attribute_group);  in msi_cleanup()
1131 	if (!quirks->old_ec_model && threeg_exists)  in msi_cleanup()
1132 		device_remove_file(&msipf_device->dev, &dev_attr_threeg);  in msi_cleanup()
1137 	if (quirks->old_ec_model) {  in msi_cleanup()