74  * Keymap for WMI events of type 0x0000
81 	{ KE_IGNORE, 0x003a, { KEY_CAPSLOCK } },
84 	{ KE_IGNORE, 0xe000, { KEY_RIGHTMETA } },
87 	{ KE_IGNORE, 0xe001, { KEY_RIGHTMETA } },
90 	{ KE_KEY,    0xe005, { KEY_BRIGHTNESSDOWN } },
91 	{ KE_KEY,    0xe006, { KEY_BRIGHTNESSUP } },
94 	{ KE_KEY,    0xe007, { KEY_BATTERY } },
97 	{ KE_IGNORE, 0xe008, { KEY_RFKILL } },
99 	{ KE_KEY,    0xe009, { KEY_EJECTCD } },
102 	{ KE_KEY,    0xe00b, { KEY_SWITCHVIDEOMODE } },
105 	{ KE_IGNORE, 0xe00c, { KEY_KBDILLUMTOGGLE } },
108 	{ KE_IGNORE, 0xe00d, { KEY_RESERVED } },
111 	{ KE_IGNORE, 0xe00e, { KEY_RESERVED } },
114 	{ KE_KEY,    0xe011, { KEY_WLAN } },
117 	{ KE_IGNORE, 0xe013, { KEY_RESERVED } },
119 	{ KE_IGNORE, 0xe020, { KEY_MUTE } },
122 	/* { KE_IGNORE, 0xe023, { KEY_RESERVED } }, */
125 	/* { KE_IGNORE, 0xe024, { KEY_RESERVED } }, */
128 	{ KE_KEY,    0xe025, { KEY_PROG4 } },
131 	{ KE_IGNORE, 0xe026, { KEY_RESERVED } },
134 	{ KE_KEY,    0xe027, { KEY_DISPLAYTOGGLE } },
137 	/* { KE_IGNORE, 0xe028, { KEY_RESERVED } }, */
140 	{ KE_KEY,    0xe029, { KEY_PROG4 } },
143 	/* { KE_IGNORE, 0xe02a, { KEY_RESERVED } }, */
146 	/* { KE_IGNORE, 0xe02b, { KEY_RESERVED } }, */
149 	/* { KE_IGNORE, 0xe02c, { KEY_RESERVED } }, */
151 	{ KE_IGNORE, 0xe02e, { KEY_VOLUMEDOWN } },
152 	{ KE_IGNORE, 0xe030, { KEY_VOLUMEUP } },
153 	{ KE_IGNORE, 0xe033, { KEY_KBDILLUMUP } },
154 	{ KE_IGNORE, 0xe034, { KEY_KBDILLUMDOWN } },
155 	{ KE_IGNORE, 0xe03a, { KEY_CAPSLOCK } },
158 	{ KE_IGNORE, 0xe043, { KEY_RESERVED } },
161 	{ KE_IGNORE, 0xe044, { KEY_RESERVED } },
166 	 * "button with a picture of a battery" which has event code 0xe045.
167 	 * Later Mario Limonciello from Dell told us that event code 0xe045 is
173 	{ KE_IGNORE, 0xe045, { KEY_NUMLOCK } },
176 	{ KE_IGNORE, 0xe046, { KEY_SCROLLLOCK } },
179 	/* { KE_IGNORE, 0xe047, { KEY_RESERVED } }, */
182 	{ KE_IGNORE, 0xe06e, { KEY_RESERVED } },
184 	{ KE_IGNORE, 0xe0f7, { KEY_MUTE } },
185 	{ KE_IGNORE, 0xe0f8, { KEY_VOLUMEDOWN } },
186 	{ KE_IGNORE, 0xe0f9, { KEY_VOLUMEUP } },
206 /* Uninitialized entries here are KEY_RESERVED == 0. */
208 	[0]	= KEY_MEDIA,
251  * Keymap for WMI events of type 0x0010
253  * These are applied if the 0xB2 DMI hotkey table is present and doesn't
258 	{ KE_IGNORE, 0x0, { KEY_RESERVED } },
261 	{ KE_IGNORE, 0x1, { KEY_RESERVED } },
264 	{ KE_IGNORE, 0x3f, { KEY_RESERVED } },
267 	{ KE_KEY,    0x57, { KEY_BRIGHTNESSDOWN } },
268 	{ KE_KEY,    0x58, { KEY_BRIGHTNESSUP } },
271 	{ KE_KEY, 0x109, { KEY_MUTE} },
274 	{ KE_IGNORE, 0x120, { KEY_RESERVED }},
277 	{ KE_IGNORE, 0x130, { KEY_RESERVED }},
280 	{ KE_IGNORE, 0x140, { KEY_RESERVED }},
283 	{ KE_KEY, 0x150, { KEY_MICMUTE } },
286 	{ KE_IGNORE, 0x151, { KEY_RESERVED } },
289 	{ KE_IGNORE, 0x152, { KEY_KBDILLUMTOGGLE } },
295 	{ KE_IGNORE, 0x153, { KEY_RFKILL } },
298 	{ KE_IGNORE, 0x154, { KEY_RESERVED } },
306 	{ KE_IGNORE, 0x155, { KEY_RESERVED } },
309 	{ KE_IGNORE, 0x156, { KEY_RESERVED } },
310 	{ KE_IGNORE, 0x157, { KEY_RESERVED } },
313 	{ KE_KEY,    0x850, { KEY_PROG1 } },
314 	{ KE_KEY,    0x851, { KEY_PROG2 } },
315 	{ KE_KEY,    0x852, { KEY_PROG3 } },
321 	{ KE_IGNORE, 0xe008, { KEY_RFKILL } },
324 	{ KE_IGNORE, 0xe035, { KEY_RESERVED } },
328  * Keymap for WMI events of type 0x0011
332 	{ KE_IGNORE, 0xe070, { KEY_RESERVED } },
335 	{ KE_IGNORE, 0xfff0, { KEY_RESERVED } },
338 	{ KE_IGNORE, 0xfff1, { KEY_RESERVED } },
345 	{ KE_IGNORE, 0xfff2, { KEY_RESERVED } },
348 	{ KE_IGNORE, 0xfff3, { KEY_RESERVED } },
361  * Keymap for WMI events of type 0x0012
366 	{ KE_IGNORE, 0x0003, { KEY_RESERVED } },
369 	{ KE_IGNORE, 0x000d, { KEY_RESERVED } },
372 	{ KE_IGNORE, 0xe035, { KEY_RESERVED } },
408 	int used = 0;  in dell_wmi_process_key()
414 		pr_info("Unknown key with type 0x%04x and code 0x%04x pressed\n",  in dell_wmi_process_key()
416 		return 0;  in dell_wmi_process_key()
419 	pr_debug("Key with type 0x%04x and code 0x%04x pressed\n", type, code);  in dell_wmi_process_key()
425 		return 0;  in dell_wmi_process_key()
427 	if (type == 0x0000 && code == 0xe025 && !wmi_requires_smbios_request)  in dell_wmi_process_key()
428 		return 0;  in dell_wmi_process_key()
433 	} else if (type == 0x0011 && code == 0xe070 && remaining > 0) {  in dell_wmi_process_key()
436 				      SW_TABLET_MODE, !buffer[0]);  in dell_wmi_process_key()
438 	} else if (type == 0x0012 && code == 0x000d && remaining > 0) {  in dell_wmi_process_key()
469 	 * BIOS/ACPI on devices with WMI interface version 0 does not clear  in dell_wmi_notify()
478 	 * one event on devices with WMI interface version 0.  in dell_wmi_notify()
480 	if (priv->interface_version == 0 && buffer_entry < buffer_end)  in dell_wmi_notify()
481 		if (buffer_end > buffer_entry + buffer_entry[0] + 1)  in dell_wmi_notify()
482 			buffer_end = buffer_entry + buffer_entry[0] + 1;  in dell_wmi_notify()
486 		len = buffer_entry[0];  in dell_wmi_notify()
487 		if (len == 0)  in dell_wmi_notify()
500 		case 0x0000: /* One key pressed or event occurred */  in dell_wmi_notify()
508 		case 0x0010: /* Sequence of keys pressed */  in dell_wmi_notify()
509 		case 0x0011: /* Sequence of events occurred */  in dell_wmi_notify()
516 		case 0x0012:  in dell_wmi_notify()
525 			pr_info("Unknown WMI event type 0x%x\n",  in dell_wmi_notify()
540 	for (i = 0; i < len; i++)  in have_scancode()
551 	int hotkey_num, i, pos = 0;  in handle_dmi_entry()
557 	/* The Dell hotkey table is type 0xB2.  Scan until we find it. */  in handle_dmi_entry()
558 	if (dm->type != 0xb2)  in handle_dmi_entry()
583 	for (i = 0; i < hotkey_num; i++) {  in handle_dmi_entry()
587 		/* Uninitialized entries are 0 aka KEY_RESERVED. */  in handle_dmi_entry()
591 			(bios_entry->keycode == 0xffff ? KEY_UNKNOWN : KEY_RESERVED);  in handle_dmi_entry()
599 			pr_info("firmware scancode 0x%x maps to unrecognized keycode 0x%x\n",  in handle_dmi_entry()
623 	int err, i, pos = 0;  in dell_wmi_input_setup()
660 	/* Append table with events of type 0x0010 which comes from DMI */  in dell_wmi_input_setup()
661 	for (i = 0; i < dmi_results.keymap_size; i++) {  in dell_wmi_input_setup()
663 		keymap[pos].code |= (0x0010 << 16);  in dell_wmi_input_setup()
669 	/* Append table with extra events of type 0x0010 which are not in DMI */  in dell_wmi_input_setup()
670 	for (i = 0; i < ARRAY_SIZE(dell_wmi_keymap_type_0010); i++) {  in dell_wmi_input_setup()
679 		    have_scancode(entry->code | (0x0010 << 16),  in dell_wmi_input_setup()
685 		keymap[pos].code |= (0x0010 << 16);  in dell_wmi_input_setup()
689 	/* Append table with events of type 0x0011 */  in dell_wmi_input_setup()
690 	for (i = 0; i < ARRAY_SIZE(dell_wmi_keymap_type_0011); i++) {  in dell_wmi_input_setup()
692 		keymap[pos].code |= (0x0011 << 16);  in dell_wmi_input_setup()
696 	/* Append table with events of type 0x0012 */  in dell_wmi_input_setup()
697 	for (i = 0; i < ARRAY_SIZE(dell_wmi_keymap_type_0012); i++) {  in dell_wmi_input_setup()
699 		keymap[pos].code |= (0x0012 << 16);  in dell_wmi_input_setup()
704 	 * Now append also table with "legacy" events of type 0x0000. Some of  in dell_wmi_input_setup()
707 	for (i = 0; i < ARRAY_SIZE(dell_wmi_keymap_type_0000); i++) {  in dell_wmi_input_setup()
727 	return 0;  in dell_wmi_input_setup()
748  *     cbArg1 Application ID 1 = 0x00010000
750  *            QUICKSET/DCP = 0x51534554 "QSET"
751  *            ALS Driver   = 0x416c7353 "AlsS"
752  *            Latitude ON  = 0x4c6f6e52 "LonR"
754  *     cbArg4 0 = Unregister application
756  *     cbRes1 Standard return codes (0, -1, -2)
769 	buffer->input[0] = 0x10000;  in dell_wmi_events_set_enabled()
770 	buffer->input[1] = 0x51534554;  in dell_wmi_events_set_enabled()
773 	if (ret == 0)  in dell_wmi_events_set_enabled()
774 		ret = buffer->output[0];  in dell_wmi_events_set_enabled()