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>
69 /* For set SCM load flag to disable BIOS fn key */
74 /* Power LED is orange - Turbo mode */
76 /* Power LED is green - ECO mode */
118 	/* Some MSI 3G netbook only have one fn key to control
121 	 * fn key, then control Wlan/Bluetooth/3G by SCM (software control by
123 	 * On Linux, msi-laptop driver will do the same thing to disable the
149 		return -EINVAL;  in set_lcd_level()
210 		return -EINVAL;  in set_device_state()
212 	if (quirks->ec_read_only)  in set_device_state()
213 		return -EOPNOTSUPP;  in set_device_state()
295 	return set_lcd_level(b->props.brightness);  in bl_update_status()
313 	if (quirks->old_ec_model) {  in show_wlan()
337 	if (quirks->old_ec_model) {  in show_bluetooth()
362 	if (quirks->old_ec_model)  in show_threeg()
363 		return -ENODEV;  in show_threeg()
399 		return -EINVAL;  in store_lcd_level()
428 		return -EINVAL;  in store_auto_brightness()
515 		return -EINVAL;  in store_auto_fan()
563 		.name = "msi-laptop-pf",
588 	pr_info("Identified laptop model '%s'\n", dmi->ident);  in dmi_check_cb()
590 	quirks = dmi->driver_data;  in dmi_check_cb()
599 			DMI_MATCH(DMI_SYS_VENDOR, "MICRO-STAR INT'L CO.,LTD"),
600 			DMI_MATCH(DMI_PRODUCT_NAME, "MS-1013"),
603 				  "MICRO-STAR INT'L CO.,LTD")
611 			DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
612 			DMI_MATCH(DMI_PRODUCT_NAME, "MS-1058"),
614 			DMI_MATCH(DMI_BOARD_NAME, "MS-1058")
622 			DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
623 			DMI_MATCH(DMI_PRODUCT_NAME, "MS-1412"),
625 			DMI_MATCH(DMI_BOARD_NAME, "MS-1412")
637 				  "MICRO-STAR INT'L CO.,LTD")
646 				"MICRO-STAR INTERNATIONAL CO., LTD"),
647 			DMI_MATCH(DMI_PRODUCT_NAME, "MS-N034"),
649 			"MICRO-STAR INTERNATIONAL CO., LTD")
658 				"MICRO-STAR INTERNATIONAL CO., LTD"),
659 			DMI_MATCH(DMI_PRODUCT_NAME, "MS-N051"),
661 			"MICRO-STAR INTERNATIONAL CO., LTD")
670 				"MICRO-STAR INTERNATIONAL CO., LTD"),
671 			DMI_MATCH(DMI_PRODUCT_NAME, "MS-N014"),
680 				"Micro-Star International"),
690 				"Micro-Star International Co., Ltd."),
700 				"MICRO-STAR INTERNATIONAL CO., LTD"),
770 	if (quirks->ec_read_only)  in msi_rfkill_set_state()
822 			if (quirks->ec_delay) {  in msi_laptop_i8042_filter()
831 			if (quirks->ec_delay) {  in msi_laptop_i8042_filter()
868 	rfk_bluetooth = rfkill_alloc("msi-bluetooth", &sdev->dev,  in rfkill_init()
872 		retval = -ENOMEM;  in rfkill_init()
879 	rfk_wlan = rfkill_alloc("msi-wlan", &sdev->dev, RFKILL_TYPE_WLAN,  in rfkill_init()
882 		retval = -ENOMEM;  in rfkill_init()
890 		rfk_threeg = rfkill_alloc("msi-threeg", &sdev->dev,  in rfkill_init()
893 			retval = -ENOMEM;  in rfkill_init()
902 	if (quirks->ec_delay) {  in rfkill_init()
930 	if (!quirks->load_scm_model)  in msi_laptop_resume()
933 	/* set load SCM to disable hardware control by fn key */  in msi_laptop_resume()
953 		return -ENOMEM;  in msi_laptop_input_setup()
955 	msi_laptop_input_dev->name = "MSI Laptop hotkeys";  in msi_laptop_input_setup()
956 	msi_laptop_input_dev->phys = "msi-laptop/input0";  in msi_laptop_input_setup()
957 	msi_laptop_input_dev->id.bustype = BUS_HOST;  in msi_laptop_input_setup()
980 	if (!quirks->ec_read_only) {  in load_scm_model_init()
990 	/* disable hardware control by fn key */  in load_scm_model_init()
1035 		return -ENODEV;  in msi_init()
1044 	if (!quirks->old_ec_model)  in msi_init()
1048 		return -EINVAL;  in msi_init()
1052 	if (quirks->old_ec_model ||  in msi_init()
1057 		props.max_brightness = MSI_LCD_LEVEL_MAX - 1;  in msi_init()
1058 		msibl_device = backlight_device_register("msi-laptop-bl", NULL,  in msi_init()
1071 	msipf_device = platform_device_alloc("msi-laptop-pf", -1);  in msi_init()
1073 		ret = -ENOMEM;  in msi_init()
1081 	if (quirks->load_scm_model && (load_scm_model_init(msipf_device) < 0)) {  in msi_init()
1082 		ret = -EINVAL;  in msi_init()
1086 	ret = sysfs_create_group(&msipf_device->dev.kobj,  in msi_init()
1091 	if (!quirks->old_ec_model) {  in msi_init()
1093 			ret = device_create_file(&msipf_device->dev,  in msi_init()
1098 		ret = sysfs_create_group(&msipf_device->dev.kobj,  in msi_init()
1116 	sysfs_remove_group(&msipf_device->dev.kobj, &msipf_attribute_group);  in msi_init()
1118 	if (quirks->load_scm_model) {  in msi_init()
1138 	if (quirks->load_scm_model) {  in msi_cleanup()
1146 	sysfs_remove_group(&msipf_device->dev.kobj, &msipf_attribute_group);  in msi_cleanup()
1147 	if (!quirks->old_ec_model && threeg_exists)  in msi_cleanup()
1148 		device_remove_file(&msipf_device->dev, &dev_attr_threeg);  in msi_cleanup()
1153 	if (quirks->old_ec_model) {  in msi_cleanup()
1170 MODULE_ALIAS("dmi:*:svnMICRO-STARINT'LCO.,LTD:pnMS-1013:pvr0131*:cvnMICRO-STARINT'LCO.,LTD:ct10:*");
1171 MODULE_ALIAS("dmi:*:svnMicro-StarInternational:pnMS-1058:pvr0581:rvnMSI:rnMS-1058:*:ct10:*");
1172 MODULE_ALIAS("dmi:*:svnMicro-StarInternational:pnMS-1412:*:rvnMSI:rnMS-1412:*:cvnMICRO-STARINT'LCO.…
1173 MODULE_ALIAS("dmi:*:svnNOTEBOOK:pnSAM2000:pvr0131*:cvnMICRO-STARINT'LCO.,LTD:ct10:*");
1174 MODULE_ALIAS("dmi:*:svnMICRO-STARINTERNATIONAL*:pnMS-N034:*");
1175 MODULE_ALIAS("dmi:*:svnMICRO-STARINTERNATIONAL*:pnMS-N051:*");
1176 MODULE_ALIAS("dmi:*:svnMICRO-STARINTERNATIONAL*:pnMS-N014:*");
1177 MODULE_ALIAS("dmi:*:svnMicro-StarInternational*:pnCR620:*");
1178 MODULE_ALIAS("dmi:*:svnMicro-StarInternational*:pnU270series:*");
1179 MODULE_ALIAS("dmi:*:svnMICRO-STARINTERNATIONAL*:pnU90/U100:*");