1 // SPDX-License-Identifier: GPL-2.0-or-later
16 #define LEGACY_CONTROL_GUID		"A90597CE-A997-11DA-B012-B622A1EF5492"
17 #define LEGACY_POWER_CONTROL_GUID	"A80593CE-A997-11DA-B012-B622A1EF5492"
18 #define WMAX_CONTROL_GUID		"A70591CE-A997-11DA-B012-B622A1EF5492"
113 	quirks = dmi->driver_data;  in dmi_matched()
224 		   .name = "alienware-wmi",
252 	/* RGB triplet notation is 24-bit hexadecimal */  in parse_rgb()
254 		return -EINVAL;  in parse_rgb()
257 	pr_debug("alienware-wmi: r: %d g:%d b: %d\n",  in parse_rgb()
259 	zone->colors = repackager.cp;  in parse_rgb()
267 	for (zone = 0; zone < quirks->num_zones; zone++) {  in match_zone()
269 			pr_debug("alienware-wmi: matched zone location: %d\n",  in match_zone()
289 		wmax_basic_args.led_mask = 1 << zone->location;  in alienware_update_led()
290 		wmax_basic_args.colors = zone->colors;  in alienware_update_led()
298 		legacy_args.colors = zone->colors;  in alienware_update_led()
307 		method_id = zone->location + 1;  in alienware_update_led()
312 	pr_debug("alienware-wmi: guid %s method %d\n", guid, method_id);  in alienware_update_led()
316 		pr_err("alienware-wmi: zone set failure: %u\n", status);  in alienware_update_led()
326 		return sprintf(buf, "red: -1, green: -1, blue: -1\n");  in zone_show()
328 		       target_zone->colors.red,  in zone_show()
329 		       target_zone->colors.green, target_zone->colors.blue);  in zone_show()
340 		pr_err("alienware-wmi: invalid target zone\n");  in zone_set()
366 		pr_err("alienware-wmi: brightness set failure: %u\n", status);  in wmax_brightness()
421 	pr_debug("alienware-wmi: updated control state to %d\n",  in store_control_state()
444 	 *      - zone_dev_attrs num_zones + 1 is for individual zones and then  in alienware_zone_init()
446 	 *      - zone_attrs num_zones + 2 is for all attrs in zone_dev_attrs +  in alienware_zone_init()
448 	 *      - zone_data num_zones is for the distinct zones  in alienware_zone_init()
451 	    kcalloc(quirks->num_zones + 1, sizeof(struct device_attribute),  in alienware_zone_init()
454 		return -ENOMEM;  in alienware_zone_init()
457 	    kcalloc(quirks->num_zones + 2, sizeof(struct attribute *),  in alienware_zone_init()
460 		return -ENOMEM;  in alienware_zone_init()
463 	    kcalloc(quirks->num_zones, sizeof(struct platform_zone),  in alienware_zone_init()
466 		return -ENOMEM;  in alienware_zone_init()
468 	for (zone = 0; zone < quirks->num_zones; zone++) {  in alienware_zone_init()
482 	zone_attrs[quirks->num_zones] = &dev_attr_lighting_control_state.attr;  in alienware_zone_init()
485 	led_classdev_register(&dev->dev, &global_led);  in alienware_zone_init()
487 	return sysfs_create_group(&dev->dev.kobj, &zone_attribute_group);  in alienware_zone_init()
494 	sysfs_remove_group(&dev->dev.kobj, &zone_attribute_group);  in alienware_zone_exit()
497 		for (zone = 0; zone < quirks->num_zones; zone++)  in alienware_zone_exit()
522 			if (obj && obj->type == ACPI_TYPE_INTEGER)  in alienware_wmax_command()
523 				*out_data = (u32)obj->integer.value;  in alienware_wmax_command()
556 	pr_err("alienware-wmi: unknown HDMI cable status: %d\n", status);  in show_hdmi_cable()
580 	pr_err("alienware-wmi: unknown HDMI source status: %u\n", status);  in show_hdmi_source()
596 	pr_debug("alienware-wmi: setting hdmi to %d : %s", args.arg, buf);  in toggle_hdmi_source()
601 		pr_err("alienware-wmi: HDMI toggle failed: results: %u\n",  in toggle_hdmi_source()
623 	if (quirks->hdmi_mux > 0)  in remove_hdmi()
624 		sysfs_remove_group(&dev->dev.kobj, &hdmi_attribute_group);  in remove_hdmi()
631 	ret = sysfs_create_group(&dev->dev.kobj, &hdmi_attribute_group);  in create_hdmi()
639  * - Currently supports reading cable status
640  * - Leaving expansion room to possibly support dock/undock events later
661 	pr_err("alienware-wmi: unknown amplifier cable status: %d\n", status);  in show_amplifier_status()
679 	if (quirks->amplifier > 0)  in remove_amplifier()
680 		sysfs_remove_group(&dev->dev.kobj, &amplifier_attribute_group);  in remove_amplifier()
687 	ret = sysfs_create_group(&dev->dev.kobj, &amplifier_attribute_group);  in create_amplifier()
694  * Deep Sleep Control support
695  * - Modifies BIOS setting for deep sleep control allowing extra wakeup events
718 	pr_err("alienware-wmi: unknown deep sleep status: %d\n", status);  in show_deepsleep_status()
735 	pr_debug("alienware-wmi: setting deep sleep to %d : %s", args.arg, buf);  in toggle_deepsleep()
741 		pr_err("alienware-wmi: deep sleep control failed: results: %u\n",  in toggle_deepsleep()
760 	if (quirks->deepslp > 0)  in remove_deepsleep()
761 		sysfs_remove_group(&dev->dev.kobj, &deepsleep_attribute_group);  in remove_deepsleep()
768 	ret = sysfs_create_group(&dev->dev.kobj, &deepsleep_attribute_group);  in create_deepsleep()
783 		pr_warn("alienware-wmi: No known WMI GUID found\n");  in alienware_wmi_init()
784 		return -ENODEV;  in alienware_wmi_init()
794 	platform_device = platform_device_alloc("alienware-wmi", -1);  in alienware_wmi_init()
796 		ret = -ENOMEM;  in alienware_wmi_init()
803 	if (quirks->hdmi_mux > 0) {  in alienware_wmi_init()
809 	if (quirks->amplifier > 0) {  in alienware_wmi_init()
815 	if (quirks->deepslp > 0) {  in alienware_wmi_init()