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v4.6
   1/*
   2 * Wistron laptop button driver
   3 * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz>
   4 * Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org>
   5 * Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru>
   6 *
   7 * You can redistribute and/or modify this program under the terms of the
   8 * GNU General Public License version 2 as published by the Free Software
   9 * Foundation.
  10 *
  11 * This program is distributed in the hope that it will be useful, but
  12 * WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
  14 * Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License along
  17 * with this program; if not, write to the Free Software Foundation, Inc.,
  18 * 59 Temple Place Suite 330, Boston, MA 02111-1307, USA.
  19 */
  20#include <linux/io.h>
  21#include <linux/dmi.h>
  22#include <linux/init.h>
  23#include <linux/input-polldev.h>
  24#include <linux/input/sparse-keymap.h>
  25#include <linux/interrupt.h>
  26#include <linux/jiffies.h>
  27#include <linux/kernel.h>
  28#include <linux/mc146818rtc.h>
  29#include <linux/module.h>
  30#include <linux/preempt.h>
  31#include <linux/string.h>
  32#include <linux/slab.h>
  33#include <linux/types.h>
  34#include <linux/platform_device.h>
  35#include <linux/leds.h>
  36
  37/* How often we poll keys - msecs */
  38#define POLL_INTERVAL_DEFAULT	500 /* when idle */
  39#define POLL_INTERVAL_BURST	100 /* when a key was recently pressed */
  40
  41/* BIOS subsystem IDs */
  42#define WIFI		0x35
  43#define BLUETOOTH	0x34
  44#define MAIL_LED	0x31
  45
  46MODULE_AUTHOR("Miloslav Trmac <mitr@volny.cz>");
  47MODULE_DESCRIPTION("Wistron laptop button driver");
  48MODULE_LICENSE("GPL v2");
 
  49
  50static bool force; /* = 0; */
  51module_param(force, bool, 0);
  52MODULE_PARM_DESC(force, "Load even if computer is not in database");
  53
  54static char *keymap_name; /* = NULL; */
  55module_param_named(keymap, keymap_name, charp, 0);
  56MODULE_PARM_DESC(keymap, "Keymap name, if it can't be autodetected [generic, 1557/MS2141]");
  57
  58static struct platform_device *wistron_device;
  59
  60 /* BIOS interface implementation */
  61
  62static void __iomem *bios_entry_point; /* BIOS routine entry point */
  63static void __iomem *bios_code_map_base;
  64static void __iomem *bios_data_map_base;
  65
  66static u8 cmos_address;
  67
  68struct regs {
  69	u32 eax, ebx, ecx;
  70};
  71
  72static void call_bios(struct regs *regs)
  73{
  74	unsigned long flags;
  75
  76	preempt_disable();
  77	local_irq_save(flags);
  78	asm volatile ("pushl %%ebp;"
  79		      "movl %7, %%ebp;"
  80		      "call *%6;"
  81		      "popl %%ebp"
  82		      : "=a" (regs->eax), "=b" (regs->ebx), "=c" (regs->ecx)
  83		      : "0" (regs->eax), "1" (regs->ebx), "2" (regs->ecx),
  84			"m" (bios_entry_point), "m" (bios_data_map_base)
  85		      : "edx", "edi", "esi", "memory");
  86	local_irq_restore(flags);
  87	preempt_enable();
  88}
  89
  90static ssize_t __init locate_wistron_bios(void __iomem *base)
  91{
  92	static unsigned char __initdata signature[] =
  93		{ 0x42, 0x21, 0x55, 0x30 };
  94	ssize_t offset;
  95
  96	for (offset = 0; offset < 0x10000; offset += 0x10) {
  97		if (check_signature(base + offset, signature,
  98				    sizeof(signature)) != 0)
  99			return offset;
 100	}
 101	return -1;
 102}
 103
 104static int __init map_bios(void)
 105{
 106	void __iomem *base;
 107	ssize_t offset;
 108	u32 entry_point;
 109
 110	base = ioremap(0xF0000, 0x10000); /* Can't fail */
 111	offset = locate_wistron_bios(base);
 112	if (offset < 0) {
 113		printk(KERN_ERR "wistron_btns: BIOS entry point not found\n");
 114		iounmap(base);
 115		return -ENODEV;
 116	}
 117
 118	entry_point = readl(base + offset + 5);
 119	printk(KERN_DEBUG
 120		"wistron_btns: BIOS signature found at %p, entry point %08X\n",
 121		base + offset, entry_point);
 122
 123	if (entry_point >= 0xF0000) {
 124		bios_code_map_base = base;
 125		bios_entry_point = bios_code_map_base + (entry_point & 0xFFFF);
 126	} else {
 127		iounmap(base);
 128		bios_code_map_base = ioremap(entry_point & ~0x3FFF, 0x4000);
 129		if (bios_code_map_base == NULL) {
 130			printk(KERN_ERR
 131				"wistron_btns: Can't map BIOS code at %08X\n",
 132				entry_point & ~0x3FFF);
 133			goto err;
 134		}
 135		bios_entry_point = bios_code_map_base + (entry_point & 0x3FFF);
 136	}
 137	/* The Windows driver maps 0x10000 bytes, we keep only one page... */
 138	bios_data_map_base = ioremap(0x400, 0xc00);
 139	if (bios_data_map_base == NULL) {
 140		printk(KERN_ERR "wistron_btns: Can't map BIOS data\n");
 141		goto err_code;
 142	}
 143	return 0;
 144
 145err_code:
 146	iounmap(bios_code_map_base);
 147err:
 148	return -ENOMEM;
 149}
 150
 151static inline void unmap_bios(void)
 152{
 153	iounmap(bios_code_map_base);
 154	iounmap(bios_data_map_base);
 155}
 156
 157 /* BIOS calls */
 158
 159static u16 bios_pop_queue(void)
 160{
 161	struct regs regs;
 162
 163	memset(&regs, 0, sizeof (regs));
 164	regs.eax = 0x9610;
 165	regs.ebx = 0x061C;
 166	regs.ecx = 0x0000;
 167	call_bios(&regs);
 168
 169	return regs.eax;
 170}
 171
 172static void bios_attach(void)
 173{
 174	struct regs regs;
 175
 176	memset(&regs, 0, sizeof (regs));
 177	regs.eax = 0x9610;
 178	regs.ebx = 0x012E;
 179	call_bios(&regs);
 180}
 181
 182static void bios_detach(void)
 183{
 184	struct regs regs;
 185
 186	memset(&regs, 0, sizeof (regs));
 187	regs.eax = 0x9610;
 188	regs.ebx = 0x002E;
 189	call_bios(&regs);
 190}
 191
 192static u8 bios_get_cmos_address(void)
 193{
 194	struct regs regs;
 195
 196	memset(&regs, 0, sizeof (regs));
 197	regs.eax = 0x9610;
 198	regs.ebx = 0x051C;
 199	call_bios(&regs);
 200
 201	return regs.ecx;
 202}
 203
 204static u16 bios_get_default_setting(u8 subsys)
 205{
 206	struct regs regs;
 207
 208	memset(&regs, 0, sizeof (regs));
 209	regs.eax = 0x9610;
 210	regs.ebx = 0x0200 | subsys;
 211	call_bios(&regs);
 212
 213	return regs.eax;
 214}
 215
 216static void bios_set_state(u8 subsys, int enable)
 217{
 218	struct regs regs;
 219
 220	memset(&regs, 0, sizeof (regs));
 221	regs.eax = 0x9610;
 222	regs.ebx = (enable ? 0x0100 : 0x0000) | subsys;
 223	call_bios(&regs);
 224}
 225
 226/* Hardware database */
 227
 228#define KE_WIFI		(KE_LAST + 1)
 229#define KE_BLUETOOTH	(KE_LAST + 2)
 230
 231#define FE_MAIL_LED 0x01
 232#define FE_WIFI_LED 0x02
 233#define FE_UNTESTED 0x80
 234
 235static struct key_entry *keymap; /* = NULL; Current key map */
 236static bool have_wifi;
 237static bool have_bluetooth;
 238static int leds_present;	/* bitmask of leds present */
 239
 240static int __init dmi_matched(const struct dmi_system_id *dmi)
 241{
 242	const struct key_entry *key;
 243
 244	keymap = dmi->driver_data;
 245	for (key = keymap; key->type != KE_END; key++) {
 246		if (key->type == KE_WIFI)
 247			have_wifi = true;
 248		else if (key->type == KE_BLUETOOTH)
 249			have_bluetooth = true;
 250	}
 251	leds_present = key->code & (FE_MAIL_LED | FE_WIFI_LED);
 252
 253	return 1;
 254}
 255
 256static struct key_entry keymap_empty[] __initdata = {
 257	{ KE_END, 0 }
 258};
 259
 260static struct key_entry keymap_fs_amilo_pro_v2000[] __initdata = {
 261	{ KE_KEY,  0x01, {KEY_HELP} },
 262	{ KE_KEY,  0x11, {KEY_PROG1} },
 263	{ KE_KEY,  0x12, {KEY_PROG2} },
 264	{ KE_WIFI, 0x30 },
 265	{ KE_KEY,  0x31, {KEY_MAIL} },
 266	{ KE_KEY,  0x36, {KEY_WWW} },
 267	{ KE_END,  0 }
 268};
 269
 270static struct key_entry keymap_fs_amilo_pro_v3505[] __initdata = {
 271	{ KE_KEY,       0x01, {KEY_HELP} },          /* Fn+F1 */
 272	{ KE_KEY,       0x06, {KEY_DISPLAYTOGGLE} }, /* Fn+F4 */
 273	{ KE_BLUETOOTH, 0x30 },                      /* Fn+F10 */
 274	{ KE_KEY,       0x31, {KEY_MAIL} },          /* mail button */
 275	{ KE_KEY,       0x36, {KEY_WWW} },           /* www button */
 276	{ KE_WIFI,      0x78 },                      /* satellite dish button */
 277	{ KE_END,       0 }
 278};
 279
 280static struct key_entry keymap_fs_amilo_pro_v8210[] __initdata = {
 281	{ KE_KEY,       0x01, {KEY_HELP} },          /* Fn+F1 */
 282	{ KE_KEY,       0x06, {KEY_DISPLAYTOGGLE} }, /* Fn+F4 */
 283	{ KE_BLUETOOTH, 0x30 },                      /* Fn+F10 */
 284	{ KE_KEY,       0x31, {KEY_MAIL} },          /* mail button */
 285	{ KE_KEY,       0x36, {KEY_WWW} },           /* www button */
 286	{ KE_WIFI,      0x78 },                      /* satelite dish button */
 287	{ KE_END,       FE_WIFI_LED }
 288};
 289
 290static struct key_entry keymap_fujitsu_n3510[] __initdata = {
 291	{ KE_KEY, 0x11, {KEY_PROG1} },
 292	{ KE_KEY, 0x12, {KEY_PROG2} },
 293	{ KE_KEY, 0x36, {KEY_WWW} },
 294	{ KE_KEY, 0x31, {KEY_MAIL} },
 295	{ KE_KEY, 0x71, {KEY_STOPCD} },
 296	{ KE_KEY, 0x72, {KEY_PLAYPAUSE} },
 297	{ KE_KEY, 0x74, {KEY_REWIND} },
 298	{ KE_KEY, 0x78, {KEY_FORWARD} },
 299	{ KE_END, 0 }
 300};
 301
 302static struct key_entry keymap_wistron_ms2111[] __initdata = {
 303	{ KE_KEY,  0x11, {KEY_PROG1} },
 304	{ KE_KEY,  0x12, {KEY_PROG2} },
 305	{ KE_KEY,  0x13, {KEY_PROG3} },
 306	{ KE_KEY,  0x31, {KEY_MAIL} },
 307	{ KE_KEY,  0x36, {KEY_WWW} },
 308	{ KE_END, FE_MAIL_LED }
 309};
 310
 311static struct key_entry keymap_wistron_md40100[] __initdata = {
 312	{ KE_KEY, 0x01, {KEY_HELP} },
 313	{ KE_KEY, 0x02, {KEY_CONFIG} },
 314	{ KE_KEY, 0x31, {KEY_MAIL} },
 315	{ KE_KEY, 0x36, {KEY_WWW} },
 316	{ KE_KEY, 0x37, {KEY_DISPLAYTOGGLE} }, /* Display on/off */
 317	{ KE_END, FE_MAIL_LED | FE_WIFI_LED | FE_UNTESTED }
 318};
 319
 320static struct key_entry keymap_wistron_ms2141[] __initdata = {
 321	{ KE_KEY,  0x11, {KEY_PROG1} },
 322	{ KE_KEY,  0x12, {KEY_PROG2} },
 323	{ KE_WIFI, 0x30 },
 324	{ KE_KEY,  0x22, {KEY_REWIND} },
 325	{ KE_KEY,  0x23, {KEY_FORWARD} },
 326	{ KE_KEY,  0x24, {KEY_PLAYPAUSE} },
 327	{ KE_KEY,  0x25, {KEY_STOPCD} },
 328	{ KE_KEY,  0x31, {KEY_MAIL} },
 329	{ KE_KEY,  0x36, {KEY_WWW} },
 330	{ KE_END,  0 }
 331};
 332
 333static struct key_entry keymap_acer_aspire_1500[] __initdata = {
 334	{ KE_KEY, 0x01, {KEY_HELP} },
 335	{ KE_KEY, 0x03, {KEY_POWER} },
 336	{ KE_KEY, 0x11, {KEY_PROG1} },
 337	{ KE_KEY, 0x12, {KEY_PROG2} },
 338	{ KE_WIFI, 0x30 },
 339	{ KE_KEY, 0x31, {KEY_MAIL} },
 340	{ KE_KEY, 0x36, {KEY_WWW} },
 341	{ KE_KEY, 0x49, {KEY_CONFIG} },
 342	{ KE_BLUETOOTH, 0x44 },
 343	{ KE_END, FE_UNTESTED }
 344};
 345
 346static struct key_entry keymap_acer_aspire_1600[] __initdata = {
 347	{ KE_KEY, 0x01, {KEY_HELP} },
 348	{ KE_KEY, 0x03, {KEY_POWER} },
 349	{ KE_KEY, 0x08, {KEY_MUTE} },
 350	{ KE_KEY, 0x11, {KEY_PROG1} },
 351	{ KE_KEY, 0x12, {KEY_PROG2} },
 352	{ KE_KEY, 0x13, {KEY_PROG3} },
 353	{ KE_KEY, 0x31, {KEY_MAIL} },
 354	{ KE_KEY, 0x36, {KEY_WWW} },
 355	{ KE_KEY, 0x49, {KEY_CONFIG} },
 356	{ KE_WIFI, 0x30 },
 357	{ KE_BLUETOOTH, 0x44 },
 358	{ KE_END, FE_MAIL_LED | FE_UNTESTED }
 359};
 360
 361/* 3020 has been tested */
 362static struct key_entry keymap_acer_aspire_5020[] __initdata = {
 363	{ KE_KEY, 0x01, {KEY_HELP} },
 364	{ KE_KEY, 0x03, {KEY_POWER} },
 365	{ KE_KEY, 0x05, {KEY_SWITCHVIDEOMODE} }, /* Display selection */
 366	{ KE_KEY, 0x11, {KEY_PROG1} },
 367	{ KE_KEY, 0x12, {KEY_PROG2} },
 368	{ KE_KEY, 0x31, {KEY_MAIL} },
 369	{ KE_KEY, 0x36, {KEY_WWW} },
 370	{ KE_KEY, 0x6a, {KEY_CONFIG} },
 371	{ KE_WIFI, 0x30 },
 372	{ KE_BLUETOOTH, 0x44 },
 373	{ KE_END, FE_MAIL_LED | FE_UNTESTED }
 374};
 375
 376static struct key_entry keymap_acer_travelmate_2410[] __initdata = {
 377	{ KE_KEY, 0x01, {KEY_HELP} },
 378	{ KE_KEY, 0x6d, {KEY_POWER} },
 379	{ KE_KEY, 0x11, {KEY_PROG1} },
 380	{ KE_KEY, 0x12, {KEY_PROG2} },
 381	{ KE_KEY, 0x31, {KEY_MAIL} },
 382	{ KE_KEY, 0x36, {KEY_WWW} },
 383	{ KE_KEY, 0x6a, {KEY_CONFIG} },
 384	{ KE_WIFI, 0x30 },
 385	{ KE_BLUETOOTH, 0x44 },
 386	{ KE_END, FE_MAIL_LED | FE_UNTESTED }
 387};
 388
 389static struct key_entry keymap_acer_travelmate_110[] __initdata = {
 390	{ KE_KEY, 0x01, {KEY_HELP} },
 391	{ KE_KEY, 0x02, {KEY_CONFIG} },
 392	{ KE_KEY, 0x03, {KEY_POWER} },
 393	{ KE_KEY, 0x08, {KEY_MUTE} },
 394	{ KE_KEY, 0x11, {KEY_PROG1} },
 395	{ KE_KEY, 0x12, {KEY_PROG2} },
 396	{ KE_KEY, 0x20, {KEY_VOLUMEUP} },
 397	{ KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
 398	{ KE_KEY, 0x31, {KEY_MAIL} },
 399	{ KE_KEY, 0x36, {KEY_WWW} },
 400	{ KE_SW, 0x4a, {.sw = {SW_LID, 1}} }, /* lid close */
 401	{ KE_SW, 0x4b, {.sw = {SW_LID, 0}} }, /* lid open */
 402	{ KE_WIFI, 0x30 },
 403	{ KE_END, FE_MAIL_LED | FE_UNTESTED }
 404};
 405
 406static struct key_entry keymap_acer_travelmate_300[] __initdata = {
 407	{ KE_KEY, 0x01, {KEY_HELP} },
 408	{ KE_KEY, 0x02, {KEY_CONFIG} },
 409	{ KE_KEY, 0x03, {KEY_POWER} },
 410	{ KE_KEY, 0x08, {KEY_MUTE} },
 411	{ KE_KEY, 0x11, {KEY_PROG1} },
 412	{ KE_KEY, 0x12, {KEY_PROG2} },
 413	{ KE_KEY, 0x20, {KEY_VOLUMEUP} },
 414	{ KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
 415	{ KE_KEY, 0x31, {KEY_MAIL} },
 416	{ KE_KEY, 0x36, {KEY_WWW} },
 417	{ KE_WIFI, 0x30 },
 418	{ KE_BLUETOOTH, 0x44 },
 419	{ KE_END, FE_MAIL_LED | FE_UNTESTED }
 420};
 421
 422static struct key_entry keymap_acer_travelmate_380[] __initdata = {
 423	{ KE_KEY, 0x01, {KEY_HELP} },
 424	{ KE_KEY, 0x02, {KEY_CONFIG} },
 425	{ KE_KEY, 0x03, {KEY_POWER} }, /* not 370 */
 426	{ KE_KEY, 0x11, {KEY_PROG1} },
 427	{ KE_KEY, 0x12, {KEY_PROG2} },
 428	{ KE_KEY, 0x13, {KEY_PROG3} },
 429	{ KE_KEY, 0x31, {KEY_MAIL} },
 430	{ KE_KEY, 0x36, {KEY_WWW} },
 431	{ KE_WIFI, 0x30 },
 432	{ KE_END, FE_MAIL_LED | FE_UNTESTED }
 433};
 434
 435/* unusual map */
 436static struct key_entry keymap_acer_travelmate_220[] __initdata = {
 437	{ KE_KEY, 0x01, {KEY_HELP} },
 438	{ KE_KEY, 0x02, {KEY_CONFIG} },
 439	{ KE_KEY, 0x11, {KEY_MAIL} },
 440	{ KE_KEY, 0x12, {KEY_WWW} },
 441	{ KE_KEY, 0x13, {KEY_PROG2} },
 442	{ KE_KEY, 0x31, {KEY_PROG1} },
 443	{ KE_END, FE_WIFI_LED | FE_UNTESTED }
 444};
 445
 446static struct key_entry keymap_acer_travelmate_230[] __initdata = {
 447	{ KE_KEY, 0x01, {KEY_HELP} },
 448	{ KE_KEY, 0x02, {KEY_CONFIG} },
 449	{ KE_KEY, 0x11, {KEY_PROG1} },
 450	{ KE_KEY, 0x12, {KEY_PROG2} },
 451	{ KE_KEY, 0x31, {KEY_MAIL} },
 452	{ KE_KEY, 0x36, {KEY_WWW} },
 453	{ KE_END, FE_WIFI_LED | FE_UNTESTED }
 454};
 455
 456static struct key_entry keymap_acer_travelmate_240[] __initdata = {
 457	{ KE_KEY, 0x01, {KEY_HELP} },
 458	{ KE_KEY, 0x02, {KEY_CONFIG} },
 459	{ KE_KEY, 0x03, {KEY_POWER} },
 460	{ KE_KEY, 0x08, {KEY_MUTE} },
 461	{ KE_KEY, 0x31, {KEY_MAIL} },
 462	{ KE_KEY, 0x36, {KEY_WWW} },
 463	{ KE_KEY, 0x11, {KEY_PROG1} },
 464	{ KE_KEY, 0x12, {KEY_PROG2} },
 465	{ KE_BLUETOOTH, 0x44 },
 466	{ KE_WIFI, 0x30 },
 467	{ KE_END, FE_UNTESTED }
 468};
 469
 470static struct key_entry keymap_acer_travelmate_350[] __initdata = {
 471	{ KE_KEY, 0x01, {KEY_HELP} },
 472	{ KE_KEY, 0x02, {KEY_CONFIG} },
 473	{ KE_KEY, 0x11, {KEY_PROG1} },
 474	{ KE_KEY, 0x12, {KEY_PROG2} },
 475	{ KE_KEY, 0x13, {KEY_MAIL} },
 476	{ KE_KEY, 0x14, {KEY_PROG3} },
 477	{ KE_KEY, 0x15, {KEY_WWW} },
 478	{ KE_END, FE_MAIL_LED | FE_WIFI_LED | FE_UNTESTED }
 479};
 480
 481static struct key_entry keymap_acer_travelmate_360[] __initdata = {
 482	{ KE_KEY, 0x01, {KEY_HELP} },
 483	{ KE_KEY, 0x02, {KEY_CONFIG} },
 484	{ KE_KEY, 0x11, {KEY_PROG1} },
 485	{ KE_KEY, 0x12, {KEY_PROG2} },
 486	{ KE_KEY, 0x13, {KEY_MAIL} },
 487	{ KE_KEY, 0x14, {KEY_PROG3} },
 488	{ KE_KEY, 0x15, {KEY_WWW} },
 489	{ KE_KEY, 0x40, {KEY_WLAN} },
 490	{ KE_END, FE_WIFI_LED | FE_UNTESTED } /* no mail led */
 491};
 492
 493/* Wifi subsystem only activates the led. Therefore we need to pass
 494 * wifi event as a normal key, then userspace can really change the wifi state.
 495 * TODO we need to export led state to userspace (wifi and mail) */
 496static struct key_entry keymap_acer_travelmate_610[] __initdata = {
 497	{ KE_KEY, 0x01, {KEY_HELP} },
 498	{ KE_KEY, 0x02, {KEY_CONFIG} },
 499	{ KE_KEY, 0x11, {KEY_PROG1} },
 500	{ KE_KEY, 0x12, {KEY_PROG2} },
 501	{ KE_KEY, 0x13, {KEY_PROG3} },
 502	{ KE_KEY, 0x14, {KEY_MAIL} },
 503	{ KE_KEY, 0x15, {KEY_WWW} },
 504	{ KE_KEY, 0x40, {KEY_WLAN} },
 505	{ KE_END, FE_MAIL_LED | FE_WIFI_LED }
 506};
 507
 508static struct key_entry keymap_acer_travelmate_630[] __initdata = {
 509	{ KE_KEY, 0x01, {KEY_HELP} },
 510	{ KE_KEY, 0x02, {KEY_CONFIG} },
 511	{ KE_KEY, 0x03, {KEY_POWER} },
 512	{ KE_KEY, 0x08, {KEY_MUTE} }, /* not 620 */
 513	{ KE_KEY, 0x11, {KEY_PROG1} },
 514	{ KE_KEY, 0x12, {KEY_PROG2} },
 515	{ KE_KEY, 0x13, {KEY_PROG3} },
 516	{ KE_KEY, 0x20, {KEY_VOLUMEUP} },
 517	{ KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
 518	{ KE_KEY, 0x31, {KEY_MAIL} },
 519	{ KE_KEY, 0x36, {KEY_WWW} },
 520	{ KE_WIFI, 0x30 },
 521	{ KE_END, FE_MAIL_LED | FE_UNTESTED }
 522};
 523
 524static struct key_entry keymap_aopen_1559as[] __initdata = {
 525	{ KE_KEY,  0x01, {KEY_HELP} },
 526	{ KE_KEY,  0x06, {KEY_PROG3} },
 527	{ KE_KEY,  0x11, {KEY_PROG1} },
 528	{ KE_KEY,  0x12, {KEY_PROG2} },
 529	{ KE_WIFI, 0x30 },
 530	{ KE_KEY,  0x31, {KEY_MAIL} },
 531	{ KE_KEY,  0x36, {KEY_WWW} },
 532	{ KE_END,  0 },
 533};
 534
 535static struct key_entry keymap_fs_amilo_d88x0[] __initdata = {
 536	{ KE_KEY, 0x01, {KEY_HELP} },
 537	{ KE_KEY, 0x08, {KEY_MUTE} },
 538	{ KE_KEY, 0x31, {KEY_MAIL} },
 539	{ KE_KEY, 0x36, {KEY_WWW} },
 540	{ KE_KEY, 0x11, {KEY_PROG1} },
 541	{ KE_KEY, 0x12, {KEY_PROG2} },
 542	{ KE_KEY, 0x13, {KEY_PROG3} },
 543	{ KE_END, FE_MAIL_LED | FE_WIFI_LED | FE_UNTESTED }
 544};
 545
 546static struct key_entry keymap_wistron_md2900[] __initdata = {
 547	{ KE_KEY, 0x01, {KEY_HELP} },
 548	{ KE_KEY, 0x02, {KEY_CONFIG} },
 549	{ KE_KEY, 0x11, {KEY_PROG1} },
 550	{ KE_KEY, 0x12, {KEY_PROG2} },
 551	{ KE_KEY, 0x31, {KEY_MAIL} },
 552	{ KE_KEY, 0x36, {KEY_WWW} },
 553	{ KE_WIFI, 0x30 },
 554	{ KE_END, FE_MAIL_LED | FE_UNTESTED }
 555};
 556
 557static struct key_entry keymap_wistron_md96500[] __initdata = {
 558	{ KE_KEY, 0x01, {KEY_HELP} },
 559	{ KE_KEY, 0x02, {KEY_CONFIG} },
 560	{ KE_KEY, 0x05, {KEY_SWITCHVIDEOMODE} }, /* Display selection */
 561	{ KE_KEY, 0x06, {KEY_DISPLAYTOGGLE} }, /* Display on/off */
 562	{ KE_KEY, 0x08, {KEY_MUTE} },
 563	{ KE_KEY, 0x11, {KEY_PROG1} },
 564	{ KE_KEY, 0x12, {KEY_PROG2} },
 565	{ KE_KEY, 0x20, {KEY_VOLUMEUP} },
 566	{ KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
 567	{ KE_KEY, 0x22, {KEY_REWIND} },
 568	{ KE_KEY, 0x23, {KEY_FORWARD} },
 569	{ KE_KEY, 0x24, {KEY_PLAYPAUSE} },
 570	{ KE_KEY, 0x25, {KEY_STOPCD} },
 571	{ KE_KEY, 0x31, {KEY_MAIL} },
 572	{ KE_KEY, 0x36, {KEY_WWW} },
 573	{ KE_WIFI, 0x30 },
 574	{ KE_BLUETOOTH, 0x44 },
 575	{ KE_END, 0 }
 576};
 577
 578static struct key_entry keymap_wistron_generic[] __initdata = {
 579	{ KE_KEY, 0x01, {KEY_HELP} },
 580	{ KE_KEY, 0x02, {KEY_CONFIG} },
 581	{ KE_KEY, 0x03, {KEY_POWER} },
 582	{ KE_KEY, 0x05, {KEY_SWITCHVIDEOMODE} }, /* Display selection */
 583	{ KE_KEY, 0x06, {KEY_DISPLAYTOGGLE} }, /* Display on/off */
 584	{ KE_KEY, 0x08, {KEY_MUTE} },
 585	{ KE_KEY, 0x11, {KEY_PROG1} },
 586	{ KE_KEY, 0x12, {KEY_PROG2} },
 587	{ KE_KEY, 0x13, {KEY_PROG3} },
 588	{ KE_KEY, 0x14, {KEY_MAIL} },
 589	{ KE_KEY, 0x15, {KEY_WWW} },
 590	{ KE_KEY, 0x20, {KEY_VOLUMEUP} },
 591	{ KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
 592	{ KE_KEY, 0x22, {KEY_REWIND} },
 593	{ KE_KEY, 0x23, {KEY_FORWARD} },
 594	{ KE_KEY, 0x24, {KEY_PLAYPAUSE} },
 595	{ KE_KEY, 0x25, {KEY_STOPCD} },
 596	{ KE_KEY, 0x31, {KEY_MAIL} },
 597	{ KE_KEY, 0x36, {KEY_WWW} },
 598	{ KE_KEY, 0x37, {KEY_DISPLAYTOGGLE} }, /* Display on/off */
 599	{ KE_KEY, 0x40, {KEY_WLAN} },
 600	{ KE_KEY, 0x49, {KEY_CONFIG} },
 601	{ KE_SW, 0x4a, {.sw = {SW_LID, 1}} }, /* lid close */
 602	{ KE_SW, 0x4b, {.sw = {SW_LID, 0}} }, /* lid open */
 603	{ KE_KEY, 0x6a, {KEY_CONFIG} },
 604	{ KE_KEY, 0x6d, {KEY_POWER} },
 605	{ KE_KEY, 0x71, {KEY_STOPCD} },
 606	{ KE_KEY, 0x72, {KEY_PLAYPAUSE} },
 607	{ KE_KEY, 0x74, {KEY_REWIND} },
 608	{ KE_KEY, 0x78, {KEY_FORWARD} },
 609	{ KE_WIFI, 0x30 },
 610	{ KE_BLUETOOTH, 0x44 },
 611	{ KE_END, 0 }
 612};
 613
 614static struct key_entry keymap_aopen_1557[] __initdata = {
 615	{ KE_KEY,  0x01, {KEY_HELP} },
 616	{ KE_KEY,  0x11, {KEY_PROG1} },
 617	{ KE_KEY,  0x12, {KEY_PROG2} },
 618	{ KE_WIFI, 0x30 },
 619	{ KE_KEY,  0x22, {KEY_REWIND} },
 620	{ KE_KEY,  0x23, {KEY_FORWARD} },
 621	{ KE_KEY,  0x24, {KEY_PLAYPAUSE} },
 622	{ KE_KEY,  0x25, {KEY_STOPCD} },
 623	{ KE_KEY,  0x31, {KEY_MAIL} },
 624	{ KE_KEY,  0x36, {KEY_WWW} },
 625	{ KE_END,  0 }
 626};
 627
 628static struct key_entry keymap_prestigio[] __initdata = {
 629	{ KE_KEY,  0x11, {KEY_PROG1} },
 630	{ KE_KEY,  0x12, {KEY_PROG2} },
 631	{ KE_WIFI, 0x30 },
 632	{ KE_KEY,  0x22, {KEY_REWIND} },
 633	{ KE_KEY,  0x23, {KEY_FORWARD} },
 634	{ KE_KEY,  0x24, {KEY_PLAYPAUSE} },
 635	{ KE_KEY,  0x25, {KEY_STOPCD} },
 636	{ KE_KEY,  0x31, {KEY_MAIL} },
 637	{ KE_KEY,  0x36, {KEY_WWW} },
 638	{ KE_END,  0 }
 639};
 640
 641
 642/*
 643 * If your machine is not here (which is currently rather likely), please send
 644 * a list of buttons and their key codes (reported when loading this module
 645 * with force=1) and the output of dmidecode to $MODULE_AUTHOR.
 646 */
 647static const struct dmi_system_id dmi_ids[] __initconst = {
 648	{
 649		/* Fujitsu-Siemens Amilo Pro V2000 */
 650		.callback = dmi_matched,
 651		.matches = {
 652			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 653			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2000"),
 654		},
 655		.driver_data = keymap_fs_amilo_pro_v2000
 656	},
 657	{
 658		/* Fujitsu-Siemens Amilo Pro Edition V3505 */
 659		.callback = dmi_matched,
 660		.matches = {
 661			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 662			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro Edition V3505"),
 663		},
 664		.driver_data = keymap_fs_amilo_pro_v3505
 665	},
 666	{
 667		/* Fujitsu-Siemens Amilo Pro Edition V8210 */
 668		.callback = dmi_matched,
 669		.matches = {
 670			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 671			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro Series V8210"),
 672		},
 673		.driver_data = keymap_fs_amilo_pro_v8210
 674	},
 675	{
 676		/* Fujitsu-Siemens Amilo M7400 */
 677		.callback = dmi_matched,
 678		.matches = {
 679			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 680			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO M        "),
 681		},
 682		.driver_data = keymap_fs_amilo_pro_v2000
 683	},
 684	{
 685		/* Maxdata Pro 7000 DX */
 686		.callback = dmi_matched,
 687		.matches = {
 688			DMI_MATCH(DMI_SYS_VENDOR, "MAXDATA"),
 689			DMI_MATCH(DMI_PRODUCT_NAME, "Pro 7000"),
 690		},
 691		.driver_data = keymap_fs_amilo_pro_v2000
 692	},
 693	{
 694		/* Fujitsu N3510 */
 695		.callback = dmi_matched,
 696		.matches = {
 697			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 698			DMI_MATCH(DMI_PRODUCT_NAME, "N3510"),
 699		},
 700		.driver_data = keymap_fujitsu_n3510
 701	},
 702	{
 703		/* Acer Aspire 1500 */
 704		.callback = dmi_matched,
 705		.matches = {
 706			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 707			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1500"),
 708		},
 709		.driver_data = keymap_acer_aspire_1500
 710	},
 711	{
 712		/* Acer Aspire 1600 */
 713		.callback = dmi_matched,
 714		.matches = {
 715			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 716			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1600"),
 717		},
 718		.driver_data = keymap_acer_aspire_1600
 719	},
 720	{
 721		/* Acer Aspire 3020 */
 722		.callback = dmi_matched,
 723		.matches = {
 724			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 725			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3020"),
 726		},
 727		.driver_data = keymap_acer_aspire_5020
 728	},
 729	{
 730		/* Acer Aspire 5020 */
 731		.callback = dmi_matched,
 732		.matches = {
 733			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 734			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5020"),
 735		},
 736		.driver_data = keymap_acer_aspire_5020
 737	},
 738	{
 739		/* Acer TravelMate 2100 */
 740		.callback = dmi_matched,
 741		.matches = {
 742			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 743			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2100"),
 744		},
 745		.driver_data = keymap_acer_aspire_5020
 746	},
 747	{
 748		/* Acer TravelMate 2410 */
 749		.callback = dmi_matched,
 750		.matches = {
 751			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 752			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2410"),
 753		},
 754		.driver_data = keymap_acer_travelmate_2410
 755	},
 756	{
 757		/* Acer TravelMate C300 */
 758		.callback = dmi_matched,
 759		.matches = {
 760			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 761			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate C300"),
 762		},
 763		.driver_data = keymap_acer_travelmate_300
 764	},
 765	{
 766		/* Acer TravelMate C100 */
 767		.callback = dmi_matched,
 768		.matches = {
 769			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 770			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate C100"),
 771		},
 772		.driver_data = keymap_acer_travelmate_300
 773	},
 774	{
 775		/* Acer TravelMate C110 */
 776		.callback = dmi_matched,
 777		.matches = {
 778			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 779			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate C110"),
 780		},
 781		.driver_data = keymap_acer_travelmate_110
 782	},
 783	{
 784		/* Acer TravelMate 380 */
 785		.callback = dmi_matched,
 786		.matches = {
 787			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 788			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 380"),
 789		},
 790		.driver_data = keymap_acer_travelmate_380
 791	},
 792	{
 793		/* Acer TravelMate 370 */
 794		.callback = dmi_matched,
 795		.matches = {
 796			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 797			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 370"),
 798		},
 799		.driver_data = keymap_acer_travelmate_380 /* keyboard minus 1 key */
 800	},
 801	{
 802		/* Acer TravelMate 220 */
 803		.callback = dmi_matched,
 804		.matches = {
 805			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 806			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 220"),
 807		},
 808		.driver_data = keymap_acer_travelmate_220
 809	},
 810	{
 811		/* Acer TravelMate 260 */
 812		.callback = dmi_matched,
 813		.matches = {
 814			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 815			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 260"),
 816		},
 817		.driver_data = keymap_acer_travelmate_220
 818	},
 819	{
 820		/* Acer TravelMate 230 */
 821		.callback = dmi_matched,
 822		.matches = {
 823			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 824			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 230"),
 825			/* acerhk looks for "TravelMate F4..." ?! */
 826		},
 827		.driver_data = keymap_acer_travelmate_230
 828	},
 829	{
 830		/* Acer TravelMate 280 */
 831		.callback = dmi_matched,
 832		.matches = {
 833			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 834			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 280"),
 835		},
 836		.driver_data = keymap_acer_travelmate_230
 837	},
 838	{
 839		/* Acer TravelMate 240 */
 840		.callback = dmi_matched,
 841		.matches = {
 842			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 843			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 240"),
 844		},
 845		.driver_data = keymap_acer_travelmate_240
 846	},
 847	{
 848		/* Acer TravelMate 250 */
 849		.callback = dmi_matched,
 850		.matches = {
 851			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 852			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 250"),
 853		},
 854		.driver_data = keymap_acer_travelmate_240
 855	},
 856	{
 857		/* Acer TravelMate 2424NWXCi */
 858		.callback = dmi_matched,
 859		.matches = {
 860			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 861			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2420"),
 862		},
 863		.driver_data = keymap_acer_travelmate_240
 864	},
 865	{
 866		/* Acer TravelMate 350 */
 867		.callback = dmi_matched,
 868		.matches = {
 869			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 870			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 350"),
 871		},
 872		.driver_data = keymap_acer_travelmate_350
 873	},
 874	{
 875		/* Acer TravelMate 360 */
 876		.callback = dmi_matched,
 877		.matches = {
 878			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 879			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 360"),
 880		},
 881		.driver_data = keymap_acer_travelmate_360
 882	},
 883	{
 884		/* Acer TravelMate 610 */
 885		.callback = dmi_matched,
 886		.matches = {
 887			DMI_MATCH(DMI_SYS_VENDOR, "ACER"),
 888			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 610"),
 889		},
 890		.driver_data = keymap_acer_travelmate_610
 891	},
 892	{
 893		/* Acer TravelMate 620 */
 894		.callback = dmi_matched,
 895		.matches = {
 896			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 897			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 620"),
 898		},
 899		.driver_data = keymap_acer_travelmate_630
 900	},
 901	{
 902		/* Acer TravelMate 630 */
 903		.callback = dmi_matched,
 904		.matches = {
 905			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 906			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 630"),
 907		},
 908		.driver_data = keymap_acer_travelmate_630
 909	},
 910	{
 911		/* AOpen 1559AS */
 912		.callback = dmi_matched,
 913		.matches = {
 914			DMI_MATCH(DMI_PRODUCT_NAME, "E2U"),
 915			DMI_MATCH(DMI_BOARD_NAME, "E2U"),
 916		},
 917		.driver_data = keymap_aopen_1559as
 918	},
 919	{
 920		/* Medion MD 9783 */
 921		.callback = dmi_matched,
 922		.matches = {
 923			DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
 924			DMI_MATCH(DMI_PRODUCT_NAME, "MD 9783"),
 925		},
 926		.driver_data = keymap_wistron_ms2111
 927	},
 928	{
 929		/* Medion MD 40100 */
 930		.callback = dmi_matched,
 931		.matches = {
 932			DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
 933			DMI_MATCH(DMI_PRODUCT_NAME, "WID2000"),
 934		},
 935		.driver_data = keymap_wistron_md40100
 936	},
 937	{
 938		/* Medion MD 2900 */
 939		.callback = dmi_matched,
 940		.matches = {
 941			DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
 942			DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2000"),
 943		},
 944		.driver_data = keymap_wistron_md2900
 945	},
 946	{
 947		/* Medion MD 42200 */
 948		.callback = dmi_matched,
 949		.matches = {
 950			DMI_MATCH(DMI_SYS_VENDOR, "Medion"),
 951			DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2030"),
 952		},
 953		.driver_data = keymap_fs_amilo_pro_v2000
 954	},
 955	{
 956		/* Medion MD 96500 */
 957		.callback = dmi_matched,
 958		.matches = {
 959			DMI_MATCH(DMI_SYS_VENDOR, "MEDIONPC"),
 960			DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2040"),
 961		},
 962		.driver_data = keymap_wistron_md96500
 963	},
 964	{
 965		/* Medion MD 95400 */
 966		.callback = dmi_matched,
 967		.matches = {
 968			DMI_MATCH(DMI_SYS_VENDOR, "MEDIONPC"),
 969			DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2050"),
 970		},
 971		.driver_data = keymap_wistron_md96500
 972	},
 973	{
 974		/* Fujitsu Siemens Amilo D7820 */
 975		.callback = dmi_matched,
 976		.matches = {
 977			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), /* not sure */
 978			DMI_MATCH(DMI_PRODUCT_NAME, "Amilo D"),
 979		},
 980		.driver_data = keymap_fs_amilo_d88x0
 981	},
 982	{
 983		/* Fujitsu Siemens Amilo D88x0 */
 984		.callback = dmi_matched,
 985		.matches = {
 986			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 987			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO D"),
 988		},
 989		.driver_data = keymap_fs_amilo_d88x0
 990	},
 991	{ NULL, }
 992};
 993MODULE_DEVICE_TABLE(dmi, dmi_ids);
 994
 995/* Copy the good keymap, as the original ones are free'd */
 996static int __init copy_keymap(void)
 997{
 998	const struct key_entry *key;
 999	struct key_entry *new_keymap;
1000	unsigned int length = 1;
1001
1002	for (key = keymap; key->type != KE_END; key++)
1003		length++;
1004
1005	new_keymap = kmemdup(keymap, length * sizeof(struct key_entry),
1006			     GFP_KERNEL);
1007	if (!new_keymap)
1008		return -ENOMEM;
1009
1010	keymap = new_keymap;
1011
1012	return 0;
1013}
1014
1015static int __init select_keymap(void)
1016{
1017	dmi_check_system(dmi_ids);
1018	if (keymap_name != NULL) {
1019		if (strcmp (keymap_name, "1557/MS2141") == 0)
1020			keymap = keymap_wistron_ms2141;
1021		else if (strcmp (keymap_name, "aopen1557") == 0)
1022			keymap = keymap_aopen_1557;
1023		else if (strcmp (keymap_name, "prestigio") == 0)
1024			keymap = keymap_prestigio;
1025		else if (strcmp (keymap_name, "generic") == 0)
1026			keymap = keymap_wistron_generic;
1027		else {
1028			printk(KERN_ERR "wistron_btns: Keymap unknown\n");
1029			return -EINVAL;
1030		}
1031	}
1032	if (keymap == NULL) {
1033		if (!force) {
1034			printk(KERN_ERR "wistron_btns: System unknown\n");
1035			return -ENODEV;
1036		}
1037		keymap = keymap_empty;
1038	}
1039
1040	return copy_keymap();
1041}
1042
1043 /* Input layer interface */
1044
1045static struct input_polled_dev *wistron_idev;
1046static unsigned long jiffies_last_press;
1047static bool wifi_enabled;
1048static bool bluetooth_enabled;
1049
1050 /* led management */
1051static void wistron_mail_led_set(struct led_classdev *led_cdev,
1052				enum led_brightness value)
1053{
1054	bios_set_state(MAIL_LED, (value != LED_OFF) ? 1 : 0);
1055}
1056
1057/* same as setting up wifi card, but for laptops on which the led is managed */
1058static void wistron_wifi_led_set(struct led_classdev *led_cdev,
1059				enum led_brightness value)
1060{
1061	bios_set_state(WIFI, (value != LED_OFF) ? 1 : 0);
1062}
1063
1064static struct led_classdev wistron_mail_led = {
1065	.name			= "wistron:green:mail",
1066	.brightness_set		= wistron_mail_led_set,
1067};
1068
1069static struct led_classdev wistron_wifi_led = {
1070	.name			= "wistron:red:wifi",
1071	.brightness_set		= wistron_wifi_led_set,
1072};
1073
1074static void wistron_led_init(struct device *parent)
1075{
1076	if (leds_present & FE_WIFI_LED) {
1077		u16 wifi = bios_get_default_setting(WIFI);
1078		if (wifi & 1) {
1079			wistron_wifi_led.brightness = (wifi & 2) ? LED_FULL : LED_OFF;
1080			if (led_classdev_register(parent, &wistron_wifi_led))
1081				leds_present &= ~FE_WIFI_LED;
1082			else
1083				bios_set_state(WIFI, wistron_wifi_led.brightness);
1084
1085		} else
1086			leds_present &= ~FE_WIFI_LED;
1087	}
1088
1089	if (leds_present & FE_MAIL_LED) {
1090		/* bios_get_default_setting(MAIL) always retuns 0, so just turn the led off */
1091		wistron_mail_led.brightness = LED_OFF;
1092		if (led_classdev_register(parent, &wistron_mail_led))
1093			leds_present &= ~FE_MAIL_LED;
1094		else
1095			bios_set_state(MAIL_LED, wistron_mail_led.brightness);
1096	}
1097}
1098
1099static void wistron_led_remove(void)
1100{
1101	if (leds_present & FE_MAIL_LED)
1102		led_classdev_unregister(&wistron_mail_led);
1103
1104	if (leds_present & FE_WIFI_LED)
1105		led_classdev_unregister(&wistron_wifi_led);
1106}
1107
1108static inline void wistron_led_suspend(void)
1109{
1110	if (leds_present & FE_MAIL_LED)
1111		led_classdev_suspend(&wistron_mail_led);
1112
1113	if (leds_present & FE_WIFI_LED)
1114		led_classdev_suspend(&wistron_wifi_led);
1115}
1116
1117static inline void wistron_led_resume(void)
1118{
1119	if (leds_present & FE_MAIL_LED)
1120		led_classdev_resume(&wistron_mail_led);
1121
1122	if (leds_present & FE_WIFI_LED)
1123		led_classdev_resume(&wistron_wifi_led);
1124}
1125
1126static void handle_key(u8 code)
1127{
1128	const struct key_entry *key =
1129		sparse_keymap_entry_from_scancode(wistron_idev->input, code);
1130
1131	if (key) {
1132		switch (key->type) {
1133		case KE_WIFI:
1134			if (have_wifi) {
1135				wifi_enabled = !wifi_enabled;
1136				bios_set_state(WIFI, wifi_enabled);
1137			}
1138			break;
1139
1140		case KE_BLUETOOTH:
1141			if (have_bluetooth) {
1142				bluetooth_enabled = !bluetooth_enabled;
1143				bios_set_state(BLUETOOTH, bluetooth_enabled);
1144			}
1145			break;
1146
1147		default:
1148			sparse_keymap_report_entry(wistron_idev->input,
1149						   key, 1, true);
1150			break;
1151		}
1152		jiffies_last_press = jiffies;
1153	} else
1154		printk(KERN_NOTICE
1155			"wistron_btns: Unknown key code %02X\n", code);
1156}
1157
1158static void poll_bios(bool discard)
1159{
1160	u8 qlen;
1161	u16 val;
1162
1163	for (;;) {
1164		qlen = CMOS_READ(cmos_address);
1165		if (qlen == 0)
1166			break;
1167		val = bios_pop_queue();
1168		if (val != 0 && !discard)
1169			handle_key((u8)val);
1170	}
1171}
1172
1173static void wistron_flush(struct input_polled_dev *dev)
1174{
1175	/* Flush stale event queue */
1176	poll_bios(true);
1177}
1178
1179static void wistron_poll(struct input_polled_dev *dev)
1180{
1181	poll_bios(false);
1182
1183	/* Increase poll frequency if user is currently pressing keys (< 2s ago) */
1184	if (time_before(jiffies, jiffies_last_press + 2 * HZ))
1185		dev->poll_interval = POLL_INTERVAL_BURST;
1186	else
1187		dev->poll_interval = POLL_INTERVAL_DEFAULT;
1188}
1189
1190static int wistron_setup_keymap(struct input_dev *dev,
1191					  struct key_entry *entry)
1192{
1193	switch (entry->type) {
1194
1195	/* if wifi or bluetooth are not available, create normal keys */
1196	case KE_WIFI:
1197		if (!have_wifi) {
1198			entry->type = KE_KEY;
1199			entry->keycode = KEY_WLAN;
1200		}
1201		break;
1202
1203	case KE_BLUETOOTH:
1204		if (!have_bluetooth) {
1205			entry->type = KE_KEY;
1206			entry->keycode = KEY_BLUETOOTH;
1207		}
1208		break;
1209
1210	case KE_END:
1211		if (entry->code & FE_UNTESTED)
1212			printk(KERN_WARNING "Untested laptop multimedia keys, "
1213				"please report success or failure to "
1214				"eric.piel@tremplin-utc.net\n");
1215		break;
1216	}
1217
1218	return 0;
1219}
1220
1221static int setup_input_dev(void)
1222{
1223	struct input_dev *input_dev;
1224	int error;
1225
1226	wistron_idev = input_allocate_polled_device();
1227	if (!wistron_idev)
1228		return -ENOMEM;
1229
1230	wistron_idev->open = wistron_flush;
1231	wistron_idev->poll = wistron_poll;
1232	wistron_idev->poll_interval = POLL_INTERVAL_DEFAULT;
1233
1234	input_dev = wistron_idev->input;
1235	input_dev->name = "Wistron laptop buttons";
1236	input_dev->phys = "wistron/input0";
1237	input_dev->id.bustype = BUS_HOST;
1238	input_dev->dev.parent = &wistron_device->dev;
1239
1240	error = sparse_keymap_setup(input_dev, keymap, wistron_setup_keymap);
1241	if (error)
1242		goto err_free_dev;
1243
1244	error = input_register_polled_device(wistron_idev);
1245	if (error)
1246		goto err_free_keymap;
1247
1248	return 0;
1249
1250 err_free_keymap:
1251	sparse_keymap_free(input_dev);
1252 err_free_dev:
1253	input_free_polled_device(wistron_idev);
1254	return error;
1255}
1256
1257/* Driver core */
1258
1259static int wistron_probe(struct platform_device *dev)
1260{
1261	int err;
1262
1263	bios_attach();
1264	cmos_address = bios_get_cmos_address();
1265
1266	if (have_wifi) {
1267		u16 wifi = bios_get_default_setting(WIFI);
1268		if (wifi & 1)
1269			wifi_enabled = wifi & 2;
1270		else
1271			have_wifi = 0;
1272
1273		if (have_wifi)
1274			bios_set_state(WIFI, wifi_enabled);
1275	}
1276
1277	if (have_bluetooth) {
1278		u16 bt = bios_get_default_setting(BLUETOOTH);
1279		if (bt & 1)
1280			bluetooth_enabled = bt & 2;
1281		else
1282			have_bluetooth = false;
1283
1284		if (have_bluetooth)
1285			bios_set_state(BLUETOOTH, bluetooth_enabled);
1286	}
1287
1288	wistron_led_init(&dev->dev);
1289
1290	err = setup_input_dev();
1291	if (err) {
1292		bios_detach();
1293		return err;
1294	}
1295
1296	return 0;
1297}
1298
1299static int wistron_remove(struct platform_device *dev)
1300{
1301	wistron_led_remove();
1302	input_unregister_polled_device(wistron_idev);
1303	sparse_keymap_free(wistron_idev->input);
1304	input_free_polled_device(wistron_idev);
1305	bios_detach();
1306
1307	return 0;
1308}
1309
1310#ifdef CONFIG_PM
1311static int wistron_suspend(struct device *dev)
1312{
1313	if (have_wifi)
1314		bios_set_state(WIFI, 0);
1315
1316	if (have_bluetooth)
1317		bios_set_state(BLUETOOTH, 0);
1318
1319	wistron_led_suspend();
1320
1321	return 0;
1322}
1323
1324static int wistron_resume(struct device *dev)
1325{
1326	if (have_wifi)
1327		bios_set_state(WIFI, wifi_enabled);
1328
1329	if (have_bluetooth)
1330		bios_set_state(BLUETOOTH, bluetooth_enabled);
1331
1332	wistron_led_resume();
1333
1334	poll_bios(true);
1335
1336	return 0;
1337}
1338
1339static const struct dev_pm_ops wistron_pm_ops = {
1340	.suspend	= wistron_suspend,
1341	.resume		= wistron_resume,
1342	.poweroff	= wistron_suspend,
1343	.restore	= wistron_resume,
1344};
1345#endif
1346
1347static struct platform_driver wistron_driver = {
1348	.driver		= {
1349		.name	= "wistron-bios",
 
1350#ifdef CONFIG_PM
1351		.pm	= &wistron_pm_ops,
1352#endif
1353	},
1354	.probe		= wistron_probe,
1355	.remove		= wistron_remove,
1356};
1357
1358static int __init wb_module_init(void)
1359{
1360	int err;
1361
1362	err = select_keymap();
1363	if (err)
1364		return err;
1365
1366	err = map_bios();
1367	if (err)
1368		goto err_free_keymap;
1369
1370	err = platform_driver_register(&wistron_driver);
1371	if (err)
1372		goto err_unmap_bios;
1373
1374	wistron_device = platform_device_alloc("wistron-bios", -1);
1375	if (!wistron_device) {
1376		err = -ENOMEM;
1377		goto err_unregister_driver;
1378	}
1379
1380	err = platform_device_add(wistron_device);
1381	if (err)
1382		goto err_free_device;
1383
1384	return 0;
1385
1386 err_free_device:
1387	platform_device_put(wistron_device);
1388 err_unregister_driver:
1389	platform_driver_unregister(&wistron_driver);
1390 err_unmap_bios:
1391	unmap_bios();
1392 err_free_keymap:
1393	kfree(keymap);
1394
1395	return err;
1396}
1397
1398static void __exit wb_module_exit(void)
1399{
1400	platform_device_unregister(wistron_device);
1401	platform_driver_unregister(&wistron_driver);
1402	unmap_bios();
1403	kfree(keymap);
1404}
1405
1406module_init(wb_module_init);
1407module_exit(wb_module_exit);
v3.1
   1/*
   2 * Wistron laptop button driver
   3 * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz>
   4 * Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org>
   5 * Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru>
   6 *
   7 * You can redistribute and/or modify this program under the terms of the
   8 * GNU General Public License version 2 as published by the Free Software
   9 * Foundation.
  10 *
  11 * This program is distributed in the hope that it will be useful, but
  12 * WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
  14 * Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License along
  17 * with this program; if not, write to the Free Software Foundation, Inc.,
  18 * 59 Temple Place Suite 330, Boston, MA 02111-1307, USA.
  19 */
  20#include <linux/io.h>
  21#include <linux/dmi.h>
  22#include <linux/init.h>
  23#include <linux/input-polldev.h>
  24#include <linux/input/sparse-keymap.h>
  25#include <linux/interrupt.h>
  26#include <linux/jiffies.h>
  27#include <linux/kernel.h>
  28#include <linux/mc146818rtc.h>
  29#include <linux/module.h>
  30#include <linux/preempt.h>
  31#include <linux/string.h>
  32#include <linux/slab.h>
  33#include <linux/types.h>
  34#include <linux/platform_device.h>
  35#include <linux/leds.h>
  36
  37/* How often we poll keys - msecs */
  38#define POLL_INTERVAL_DEFAULT	500 /* when idle */
  39#define POLL_INTERVAL_BURST	100 /* when a key was recently pressed */
  40
  41/* BIOS subsystem IDs */
  42#define WIFI		0x35
  43#define BLUETOOTH	0x34
  44#define MAIL_LED	0x31
  45
  46MODULE_AUTHOR("Miloslav Trmac <mitr@volny.cz>");
  47MODULE_DESCRIPTION("Wistron laptop button driver");
  48MODULE_LICENSE("GPL v2");
  49MODULE_VERSION("0.3");
  50
  51static int force; /* = 0; */
  52module_param(force, bool, 0);
  53MODULE_PARM_DESC(force, "Load even if computer is not in database");
  54
  55static char *keymap_name; /* = NULL; */
  56module_param_named(keymap, keymap_name, charp, 0);
  57MODULE_PARM_DESC(keymap, "Keymap name, if it can't be autodetected [generic, 1557/MS2141]");
  58
  59static struct platform_device *wistron_device;
  60
  61 /* BIOS interface implementation */
  62
  63static void __iomem *bios_entry_point; /* BIOS routine entry point */
  64static void __iomem *bios_code_map_base;
  65static void __iomem *bios_data_map_base;
  66
  67static u8 cmos_address;
  68
  69struct regs {
  70	u32 eax, ebx, ecx;
  71};
  72
  73static void call_bios(struct regs *regs)
  74{
  75	unsigned long flags;
  76
  77	preempt_disable();
  78	local_irq_save(flags);
  79	asm volatile ("pushl %%ebp;"
  80		      "movl %7, %%ebp;"
  81		      "call *%6;"
  82		      "popl %%ebp"
  83		      : "=a" (regs->eax), "=b" (regs->ebx), "=c" (regs->ecx)
  84		      : "0" (regs->eax), "1" (regs->ebx), "2" (regs->ecx),
  85			"m" (bios_entry_point), "m" (bios_data_map_base)
  86		      : "edx", "edi", "esi", "memory");
  87	local_irq_restore(flags);
  88	preempt_enable();
  89}
  90
  91static ssize_t __init locate_wistron_bios(void __iomem *base)
  92{
  93	static unsigned char __initdata signature[] =
  94		{ 0x42, 0x21, 0x55, 0x30 };
  95	ssize_t offset;
  96
  97	for (offset = 0; offset < 0x10000; offset += 0x10) {
  98		if (check_signature(base + offset, signature,
  99				    sizeof(signature)) != 0)
 100			return offset;
 101	}
 102	return -1;
 103}
 104
 105static int __init map_bios(void)
 106{
 107	void __iomem *base;
 108	ssize_t offset;
 109	u32 entry_point;
 110
 111	base = ioremap(0xF0000, 0x10000); /* Can't fail */
 112	offset = locate_wistron_bios(base);
 113	if (offset < 0) {
 114		printk(KERN_ERR "wistron_btns: BIOS entry point not found\n");
 115		iounmap(base);
 116		return -ENODEV;
 117	}
 118
 119	entry_point = readl(base + offset + 5);
 120	printk(KERN_DEBUG
 121		"wistron_btns: BIOS signature found at %p, entry point %08X\n",
 122		base + offset, entry_point);
 123
 124	if (entry_point >= 0xF0000) {
 125		bios_code_map_base = base;
 126		bios_entry_point = bios_code_map_base + (entry_point & 0xFFFF);
 127	} else {
 128		iounmap(base);
 129		bios_code_map_base = ioremap(entry_point & ~0x3FFF, 0x4000);
 130		if (bios_code_map_base == NULL) {
 131			printk(KERN_ERR
 132				"wistron_btns: Can't map BIOS code at %08X\n",
 133				entry_point & ~0x3FFF);
 134			goto err;
 135		}
 136		bios_entry_point = bios_code_map_base + (entry_point & 0x3FFF);
 137	}
 138	/* The Windows driver maps 0x10000 bytes, we keep only one page... */
 139	bios_data_map_base = ioremap(0x400, 0xc00);
 140	if (bios_data_map_base == NULL) {
 141		printk(KERN_ERR "wistron_btns: Can't map BIOS data\n");
 142		goto err_code;
 143	}
 144	return 0;
 145
 146err_code:
 147	iounmap(bios_code_map_base);
 148err:
 149	return -ENOMEM;
 150}
 151
 152static inline void unmap_bios(void)
 153{
 154	iounmap(bios_code_map_base);
 155	iounmap(bios_data_map_base);
 156}
 157
 158 /* BIOS calls */
 159
 160static u16 bios_pop_queue(void)
 161{
 162	struct regs regs;
 163
 164	memset(&regs, 0, sizeof (regs));
 165	regs.eax = 0x9610;
 166	regs.ebx = 0x061C;
 167	regs.ecx = 0x0000;
 168	call_bios(&regs);
 169
 170	return regs.eax;
 171}
 172
 173static void __devinit bios_attach(void)
 174{
 175	struct regs regs;
 176
 177	memset(&regs, 0, sizeof (regs));
 178	regs.eax = 0x9610;
 179	regs.ebx = 0x012E;
 180	call_bios(&regs);
 181}
 182
 183static void bios_detach(void)
 184{
 185	struct regs regs;
 186
 187	memset(&regs, 0, sizeof (regs));
 188	regs.eax = 0x9610;
 189	regs.ebx = 0x002E;
 190	call_bios(&regs);
 191}
 192
 193static u8 __devinit bios_get_cmos_address(void)
 194{
 195	struct regs regs;
 196
 197	memset(&regs, 0, sizeof (regs));
 198	regs.eax = 0x9610;
 199	regs.ebx = 0x051C;
 200	call_bios(&regs);
 201
 202	return regs.ecx;
 203}
 204
 205static u16 __devinit bios_get_default_setting(u8 subsys)
 206{
 207	struct regs regs;
 208
 209	memset(&regs, 0, sizeof (regs));
 210	regs.eax = 0x9610;
 211	regs.ebx = 0x0200 | subsys;
 212	call_bios(&regs);
 213
 214	return regs.eax;
 215}
 216
 217static void bios_set_state(u8 subsys, int enable)
 218{
 219	struct regs regs;
 220
 221	memset(&regs, 0, sizeof (regs));
 222	regs.eax = 0x9610;
 223	regs.ebx = (enable ? 0x0100 : 0x0000) | subsys;
 224	call_bios(&regs);
 225}
 226
 227/* Hardware database */
 228
 229#define KE_WIFI		(KE_LAST + 1)
 230#define KE_BLUETOOTH	(KE_LAST + 2)
 231
 232#define FE_MAIL_LED 0x01
 233#define FE_WIFI_LED 0x02
 234#define FE_UNTESTED 0x80
 235
 236static struct key_entry *keymap; /* = NULL; Current key map */
 237static bool have_wifi;
 238static bool have_bluetooth;
 239static int leds_present;	/* bitmask of leds present */
 240
 241static int __init dmi_matched(const struct dmi_system_id *dmi)
 242{
 243	const struct key_entry *key;
 244
 245	keymap = dmi->driver_data;
 246	for (key = keymap; key->type != KE_END; key++) {
 247		if (key->type == KE_WIFI)
 248			have_wifi = true;
 249		else if (key->type == KE_BLUETOOTH)
 250			have_bluetooth = true;
 251	}
 252	leds_present = key->code & (FE_MAIL_LED | FE_WIFI_LED);
 253
 254	return 1;
 255}
 256
 257static struct key_entry keymap_empty[] __initdata = {
 258	{ KE_END, 0 }
 259};
 260
 261static struct key_entry keymap_fs_amilo_pro_v2000[] __initdata = {
 262	{ KE_KEY,  0x01, {KEY_HELP} },
 263	{ KE_KEY,  0x11, {KEY_PROG1} },
 264	{ KE_KEY,  0x12, {KEY_PROG2} },
 265	{ KE_WIFI, 0x30 },
 266	{ KE_KEY,  0x31, {KEY_MAIL} },
 267	{ KE_KEY,  0x36, {KEY_WWW} },
 268	{ KE_END,  0 }
 269};
 270
 271static struct key_entry keymap_fs_amilo_pro_v3505[] __initdata = {
 272	{ KE_KEY,       0x01, {KEY_HELP} },          /* Fn+F1 */
 273	{ KE_KEY,       0x06, {KEY_DISPLAYTOGGLE} }, /* Fn+F4 */
 274	{ KE_BLUETOOTH, 0x30 },                      /* Fn+F10 */
 275	{ KE_KEY,       0x31, {KEY_MAIL} },          /* mail button */
 276	{ KE_KEY,       0x36, {KEY_WWW} },           /* www button */
 277	{ KE_WIFI,      0x78 },                      /* satellite dish button */
 278	{ KE_END,       0 }
 279};
 280
 
 
 
 
 
 
 
 
 
 
 281static struct key_entry keymap_fujitsu_n3510[] __initdata = {
 282	{ KE_KEY, 0x11, {KEY_PROG1} },
 283	{ KE_KEY, 0x12, {KEY_PROG2} },
 284	{ KE_KEY, 0x36, {KEY_WWW} },
 285	{ KE_KEY, 0x31, {KEY_MAIL} },
 286	{ KE_KEY, 0x71, {KEY_STOPCD} },
 287	{ KE_KEY, 0x72, {KEY_PLAYPAUSE} },
 288	{ KE_KEY, 0x74, {KEY_REWIND} },
 289	{ KE_KEY, 0x78, {KEY_FORWARD} },
 290	{ KE_END, 0 }
 291};
 292
 293static struct key_entry keymap_wistron_ms2111[] __initdata = {
 294	{ KE_KEY,  0x11, {KEY_PROG1} },
 295	{ KE_KEY,  0x12, {KEY_PROG2} },
 296	{ KE_KEY,  0x13, {KEY_PROG3} },
 297	{ KE_KEY,  0x31, {KEY_MAIL} },
 298	{ KE_KEY,  0x36, {KEY_WWW} },
 299	{ KE_END, FE_MAIL_LED }
 300};
 301
 302static struct key_entry keymap_wistron_md40100[] __initdata = {
 303	{ KE_KEY, 0x01, {KEY_HELP} },
 304	{ KE_KEY, 0x02, {KEY_CONFIG} },
 305	{ KE_KEY, 0x31, {KEY_MAIL} },
 306	{ KE_KEY, 0x36, {KEY_WWW} },
 307	{ KE_KEY, 0x37, {KEY_DISPLAYTOGGLE} }, /* Display on/off */
 308	{ KE_END, FE_MAIL_LED | FE_WIFI_LED | FE_UNTESTED }
 309};
 310
 311static struct key_entry keymap_wistron_ms2141[] __initdata = {
 312	{ KE_KEY,  0x11, {KEY_PROG1} },
 313	{ KE_KEY,  0x12, {KEY_PROG2} },
 314	{ KE_WIFI, 0x30 },
 315	{ KE_KEY,  0x22, {KEY_REWIND} },
 316	{ KE_KEY,  0x23, {KEY_FORWARD} },
 317	{ KE_KEY,  0x24, {KEY_PLAYPAUSE} },
 318	{ KE_KEY,  0x25, {KEY_STOPCD} },
 319	{ KE_KEY,  0x31, {KEY_MAIL} },
 320	{ KE_KEY,  0x36, {KEY_WWW} },
 321	{ KE_END,  0 }
 322};
 323
 324static struct key_entry keymap_acer_aspire_1500[] __initdata = {
 325	{ KE_KEY, 0x01, {KEY_HELP} },
 326	{ KE_KEY, 0x03, {KEY_POWER} },
 327	{ KE_KEY, 0x11, {KEY_PROG1} },
 328	{ KE_KEY, 0x12, {KEY_PROG2} },
 329	{ KE_WIFI, 0x30 },
 330	{ KE_KEY, 0x31, {KEY_MAIL} },
 331	{ KE_KEY, 0x36, {KEY_WWW} },
 332	{ KE_KEY, 0x49, {KEY_CONFIG} },
 333	{ KE_BLUETOOTH, 0x44 },
 334	{ KE_END, FE_UNTESTED }
 335};
 336
 337static struct key_entry keymap_acer_aspire_1600[] __initdata = {
 338	{ KE_KEY, 0x01, {KEY_HELP} },
 339	{ KE_KEY, 0x03, {KEY_POWER} },
 340	{ KE_KEY, 0x08, {KEY_MUTE} },
 341	{ KE_KEY, 0x11, {KEY_PROG1} },
 342	{ KE_KEY, 0x12, {KEY_PROG2} },
 343	{ KE_KEY, 0x13, {KEY_PROG3} },
 344	{ KE_KEY, 0x31, {KEY_MAIL} },
 345	{ KE_KEY, 0x36, {KEY_WWW} },
 346	{ KE_KEY, 0x49, {KEY_CONFIG} },
 347	{ KE_WIFI, 0x30 },
 348	{ KE_BLUETOOTH, 0x44 },
 349	{ KE_END, FE_MAIL_LED | FE_UNTESTED }
 350};
 351
 352/* 3020 has been tested */
 353static struct key_entry keymap_acer_aspire_5020[] __initdata = {
 354	{ KE_KEY, 0x01, {KEY_HELP} },
 355	{ KE_KEY, 0x03, {KEY_POWER} },
 356	{ KE_KEY, 0x05, {KEY_SWITCHVIDEOMODE} }, /* Display selection */
 357	{ KE_KEY, 0x11, {KEY_PROG1} },
 358	{ KE_KEY, 0x12, {KEY_PROG2} },
 359	{ KE_KEY, 0x31, {KEY_MAIL} },
 360	{ KE_KEY, 0x36, {KEY_WWW} },
 361	{ KE_KEY, 0x6a, {KEY_CONFIG} },
 362	{ KE_WIFI, 0x30 },
 363	{ KE_BLUETOOTH, 0x44 },
 364	{ KE_END, FE_MAIL_LED | FE_UNTESTED }
 365};
 366
 367static struct key_entry keymap_acer_travelmate_2410[] __initdata = {
 368	{ KE_KEY, 0x01, {KEY_HELP} },
 369	{ KE_KEY, 0x6d, {KEY_POWER} },
 370	{ KE_KEY, 0x11, {KEY_PROG1} },
 371	{ KE_KEY, 0x12, {KEY_PROG2} },
 372	{ KE_KEY, 0x31, {KEY_MAIL} },
 373	{ KE_KEY, 0x36, {KEY_WWW} },
 374	{ KE_KEY, 0x6a, {KEY_CONFIG} },
 375	{ KE_WIFI, 0x30 },
 376	{ KE_BLUETOOTH, 0x44 },
 377	{ KE_END, FE_MAIL_LED | FE_UNTESTED }
 378};
 379
 380static struct key_entry keymap_acer_travelmate_110[] __initdata = {
 381	{ KE_KEY, 0x01, {KEY_HELP} },
 382	{ KE_KEY, 0x02, {KEY_CONFIG} },
 383	{ KE_KEY, 0x03, {KEY_POWER} },
 384	{ KE_KEY, 0x08, {KEY_MUTE} },
 385	{ KE_KEY, 0x11, {KEY_PROG1} },
 386	{ KE_KEY, 0x12, {KEY_PROG2} },
 387	{ KE_KEY, 0x20, {KEY_VOLUMEUP} },
 388	{ KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
 389	{ KE_KEY, 0x31, {KEY_MAIL} },
 390	{ KE_KEY, 0x36, {KEY_WWW} },
 391	{ KE_SW, 0x4a, {.sw = {SW_LID, 1}} }, /* lid close */
 392	{ KE_SW, 0x4b, {.sw = {SW_LID, 0}} }, /* lid open */
 393	{ KE_WIFI, 0x30 },
 394	{ KE_END, FE_MAIL_LED | FE_UNTESTED }
 395};
 396
 397static struct key_entry keymap_acer_travelmate_300[] __initdata = {
 398	{ KE_KEY, 0x01, {KEY_HELP} },
 399	{ KE_KEY, 0x02, {KEY_CONFIG} },
 400	{ KE_KEY, 0x03, {KEY_POWER} },
 401	{ KE_KEY, 0x08, {KEY_MUTE} },
 402	{ KE_KEY, 0x11, {KEY_PROG1} },
 403	{ KE_KEY, 0x12, {KEY_PROG2} },
 404	{ KE_KEY, 0x20, {KEY_VOLUMEUP} },
 405	{ KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
 406	{ KE_KEY, 0x31, {KEY_MAIL} },
 407	{ KE_KEY, 0x36, {KEY_WWW} },
 408	{ KE_WIFI, 0x30 },
 409	{ KE_BLUETOOTH, 0x44 },
 410	{ KE_END, FE_MAIL_LED | FE_UNTESTED }
 411};
 412
 413static struct key_entry keymap_acer_travelmate_380[] __initdata = {
 414	{ KE_KEY, 0x01, {KEY_HELP} },
 415	{ KE_KEY, 0x02, {KEY_CONFIG} },
 416	{ KE_KEY, 0x03, {KEY_POWER} }, /* not 370 */
 417	{ KE_KEY, 0x11, {KEY_PROG1} },
 418	{ KE_KEY, 0x12, {KEY_PROG2} },
 419	{ KE_KEY, 0x13, {KEY_PROG3} },
 420	{ KE_KEY, 0x31, {KEY_MAIL} },
 421	{ KE_KEY, 0x36, {KEY_WWW} },
 422	{ KE_WIFI, 0x30 },
 423	{ KE_END, FE_MAIL_LED | FE_UNTESTED }
 424};
 425
 426/* unusual map */
 427static struct key_entry keymap_acer_travelmate_220[] __initdata = {
 428	{ KE_KEY, 0x01, {KEY_HELP} },
 429	{ KE_KEY, 0x02, {KEY_CONFIG} },
 430	{ KE_KEY, 0x11, {KEY_MAIL} },
 431	{ KE_KEY, 0x12, {KEY_WWW} },
 432	{ KE_KEY, 0x13, {KEY_PROG2} },
 433	{ KE_KEY, 0x31, {KEY_PROG1} },
 434	{ KE_END, FE_WIFI_LED | FE_UNTESTED }
 435};
 436
 437static struct key_entry keymap_acer_travelmate_230[] __initdata = {
 438	{ KE_KEY, 0x01, {KEY_HELP} },
 439	{ KE_KEY, 0x02, {KEY_CONFIG} },
 440	{ KE_KEY, 0x11, {KEY_PROG1} },
 441	{ KE_KEY, 0x12, {KEY_PROG2} },
 442	{ KE_KEY, 0x31, {KEY_MAIL} },
 443	{ KE_KEY, 0x36, {KEY_WWW} },
 444	{ KE_END, FE_WIFI_LED | FE_UNTESTED }
 445};
 446
 447static struct key_entry keymap_acer_travelmate_240[] __initdata = {
 448	{ KE_KEY, 0x01, {KEY_HELP} },
 449	{ KE_KEY, 0x02, {KEY_CONFIG} },
 450	{ KE_KEY, 0x03, {KEY_POWER} },
 451	{ KE_KEY, 0x08, {KEY_MUTE} },
 452	{ KE_KEY, 0x31, {KEY_MAIL} },
 453	{ KE_KEY, 0x36, {KEY_WWW} },
 454	{ KE_KEY, 0x11, {KEY_PROG1} },
 455	{ KE_KEY, 0x12, {KEY_PROG2} },
 456	{ KE_BLUETOOTH, 0x44 },
 457	{ KE_WIFI, 0x30 },
 458	{ KE_END, FE_UNTESTED }
 459};
 460
 461static struct key_entry keymap_acer_travelmate_350[] __initdata = {
 462	{ KE_KEY, 0x01, {KEY_HELP} },
 463	{ KE_KEY, 0x02, {KEY_CONFIG} },
 464	{ KE_KEY, 0x11, {KEY_PROG1} },
 465	{ KE_KEY, 0x12, {KEY_PROG2} },
 466	{ KE_KEY, 0x13, {KEY_MAIL} },
 467	{ KE_KEY, 0x14, {KEY_PROG3} },
 468	{ KE_KEY, 0x15, {KEY_WWW} },
 469	{ KE_END, FE_MAIL_LED | FE_WIFI_LED | FE_UNTESTED }
 470};
 471
 472static struct key_entry keymap_acer_travelmate_360[] __initdata = {
 473	{ KE_KEY, 0x01, {KEY_HELP} },
 474	{ KE_KEY, 0x02, {KEY_CONFIG} },
 475	{ KE_KEY, 0x11, {KEY_PROG1} },
 476	{ KE_KEY, 0x12, {KEY_PROG2} },
 477	{ KE_KEY, 0x13, {KEY_MAIL} },
 478	{ KE_KEY, 0x14, {KEY_PROG3} },
 479	{ KE_KEY, 0x15, {KEY_WWW} },
 480	{ KE_KEY, 0x40, {KEY_WLAN} },
 481	{ KE_END, FE_WIFI_LED | FE_UNTESTED } /* no mail led */
 482};
 483
 484/* Wifi subsystem only activates the led. Therefore we need to pass
 485 * wifi event as a normal key, then userspace can really change the wifi state.
 486 * TODO we need to export led state to userspace (wifi and mail) */
 487static struct key_entry keymap_acer_travelmate_610[] __initdata = {
 488	{ KE_KEY, 0x01, {KEY_HELP} },
 489	{ KE_KEY, 0x02, {KEY_CONFIG} },
 490	{ KE_KEY, 0x11, {KEY_PROG1} },
 491	{ KE_KEY, 0x12, {KEY_PROG2} },
 492	{ KE_KEY, 0x13, {KEY_PROG3} },
 493	{ KE_KEY, 0x14, {KEY_MAIL} },
 494	{ KE_KEY, 0x15, {KEY_WWW} },
 495	{ KE_KEY, 0x40, {KEY_WLAN} },
 496	{ KE_END, FE_MAIL_LED | FE_WIFI_LED }
 497};
 498
 499static struct key_entry keymap_acer_travelmate_630[] __initdata = {
 500	{ KE_KEY, 0x01, {KEY_HELP} },
 501	{ KE_KEY, 0x02, {KEY_CONFIG} },
 502	{ KE_KEY, 0x03, {KEY_POWER} },
 503	{ KE_KEY, 0x08, {KEY_MUTE} }, /* not 620 */
 504	{ KE_KEY, 0x11, {KEY_PROG1} },
 505	{ KE_KEY, 0x12, {KEY_PROG2} },
 506	{ KE_KEY, 0x13, {KEY_PROG3} },
 507	{ KE_KEY, 0x20, {KEY_VOLUMEUP} },
 508	{ KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
 509	{ KE_KEY, 0x31, {KEY_MAIL} },
 510	{ KE_KEY, 0x36, {KEY_WWW} },
 511	{ KE_WIFI, 0x30 },
 512	{ KE_END, FE_MAIL_LED | FE_UNTESTED }
 513};
 514
 515static struct key_entry keymap_aopen_1559as[] __initdata = {
 516	{ KE_KEY,  0x01, {KEY_HELP} },
 517	{ KE_KEY,  0x06, {KEY_PROG3} },
 518	{ KE_KEY,  0x11, {KEY_PROG1} },
 519	{ KE_KEY,  0x12, {KEY_PROG2} },
 520	{ KE_WIFI, 0x30 },
 521	{ KE_KEY,  0x31, {KEY_MAIL} },
 522	{ KE_KEY,  0x36, {KEY_WWW} },
 523	{ KE_END,  0 },
 524};
 525
 526static struct key_entry keymap_fs_amilo_d88x0[] __initdata = {
 527	{ KE_KEY, 0x01, {KEY_HELP} },
 528	{ KE_KEY, 0x08, {KEY_MUTE} },
 529	{ KE_KEY, 0x31, {KEY_MAIL} },
 530	{ KE_KEY, 0x36, {KEY_WWW} },
 531	{ KE_KEY, 0x11, {KEY_PROG1} },
 532	{ KE_KEY, 0x12, {KEY_PROG2} },
 533	{ KE_KEY, 0x13, {KEY_PROG3} },
 534	{ KE_END, FE_MAIL_LED | FE_WIFI_LED | FE_UNTESTED }
 535};
 536
 537static struct key_entry keymap_wistron_md2900[] __initdata = {
 538	{ KE_KEY, 0x01, {KEY_HELP} },
 539	{ KE_KEY, 0x02, {KEY_CONFIG} },
 540	{ KE_KEY, 0x11, {KEY_PROG1} },
 541	{ KE_KEY, 0x12, {KEY_PROG2} },
 542	{ KE_KEY, 0x31, {KEY_MAIL} },
 543	{ KE_KEY, 0x36, {KEY_WWW} },
 544	{ KE_WIFI, 0x30 },
 545	{ KE_END, FE_MAIL_LED | FE_UNTESTED }
 546};
 547
 548static struct key_entry keymap_wistron_md96500[] __initdata = {
 549	{ KE_KEY, 0x01, {KEY_HELP} },
 550	{ KE_KEY, 0x02, {KEY_CONFIG} },
 551	{ KE_KEY, 0x05, {KEY_SWITCHVIDEOMODE} }, /* Display selection */
 552	{ KE_KEY, 0x06, {KEY_DISPLAYTOGGLE} }, /* Display on/off */
 553	{ KE_KEY, 0x08, {KEY_MUTE} },
 554	{ KE_KEY, 0x11, {KEY_PROG1} },
 555	{ KE_KEY, 0x12, {KEY_PROG2} },
 556	{ KE_KEY, 0x20, {KEY_VOLUMEUP} },
 557	{ KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
 558	{ KE_KEY, 0x22, {KEY_REWIND} },
 559	{ KE_KEY, 0x23, {KEY_FORWARD} },
 560	{ KE_KEY, 0x24, {KEY_PLAYPAUSE} },
 561	{ KE_KEY, 0x25, {KEY_STOPCD} },
 562	{ KE_KEY, 0x31, {KEY_MAIL} },
 563	{ KE_KEY, 0x36, {KEY_WWW} },
 564	{ KE_WIFI, 0x30 },
 565	{ KE_BLUETOOTH, 0x44 },
 566	{ KE_END, FE_UNTESTED }
 567};
 568
 569static struct key_entry keymap_wistron_generic[] __initdata = {
 570	{ KE_KEY, 0x01, {KEY_HELP} },
 571	{ KE_KEY, 0x02, {KEY_CONFIG} },
 572	{ KE_KEY, 0x03, {KEY_POWER} },
 573	{ KE_KEY, 0x05, {KEY_SWITCHVIDEOMODE} }, /* Display selection */
 574	{ KE_KEY, 0x06, {KEY_DISPLAYTOGGLE} }, /* Display on/off */
 575	{ KE_KEY, 0x08, {KEY_MUTE} },
 576	{ KE_KEY, 0x11, {KEY_PROG1} },
 577	{ KE_KEY, 0x12, {KEY_PROG2} },
 578	{ KE_KEY, 0x13, {KEY_PROG3} },
 579	{ KE_KEY, 0x14, {KEY_MAIL} },
 580	{ KE_KEY, 0x15, {KEY_WWW} },
 581	{ KE_KEY, 0x20, {KEY_VOLUMEUP} },
 582	{ KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
 583	{ KE_KEY, 0x22, {KEY_REWIND} },
 584	{ KE_KEY, 0x23, {KEY_FORWARD} },
 585	{ KE_KEY, 0x24, {KEY_PLAYPAUSE} },
 586	{ KE_KEY, 0x25, {KEY_STOPCD} },
 587	{ KE_KEY, 0x31, {KEY_MAIL} },
 588	{ KE_KEY, 0x36, {KEY_WWW} },
 589	{ KE_KEY, 0x37, {KEY_DISPLAYTOGGLE} }, /* Display on/off */
 590	{ KE_KEY, 0x40, {KEY_WLAN} },
 591	{ KE_KEY, 0x49, {KEY_CONFIG} },
 592	{ KE_SW, 0x4a, {.sw = {SW_LID, 1}} }, /* lid close */
 593	{ KE_SW, 0x4b, {.sw = {SW_LID, 0}} }, /* lid open */
 594	{ KE_KEY, 0x6a, {KEY_CONFIG} },
 595	{ KE_KEY, 0x6d, {KEY_POWER} },
 596	{ KE_KEY, 0x71, {KEY_STOPCD} },
 597	{ KE_KEY, 0x72, {KEY_PLAYPAUSE} },
 598	{ KE_KEY, 0x74, {KEY_REWIND} },
 599	{ KE_KEY, 0x78, {KEY_FORWARD} },
 600	{ KE_WIFI, 0x30 },
 601	{ KE_BLUETOOTH, 0x44 },
 602	{ KE_END, 0 }
 603};
 604
 605static struct key_entry keymap_aopen_1557[] __initdata = {
 606	{ KE_KEY,  0x01, {KEY_HELP} },
 607	{ KE_KEY,  0x11, {KEY_PROG1} },
 608	{ KE_KEY,  0x12, {KEY_PROG2} },
 609	{ KE_WIFI, 0x30 },
 610	{ KE_KEY,  0x22, {KEY_REWIND} },
 611	{ KE_KEY,  0x23, {KEY_FORWARD} },
 612	{ KE_KEY,  0x24, {KEY_PLAYPAUSE} },
 613	{ KE_KEY,  0x25, {KEY_STOPCD} },
 614	{ KE_KEY,  0x31, {KEY_MAIL} },
 615	{ KE_KEY,  0x36, {KEY_WWW} },
 616	{ KE_END,  0 }
 617};
 618
 619static struct key_entry keymap_prestigio[] __initdata = {
 620	{ KE_KEY,  0x11, {KEY_PROG1} },
 621	{ KE_KEY,  0x12, {KEY_PROG2} },
 622	{ KE_WIFI, 0x30 },
 623	{ KE_KEY,  0x22, {KEY_REWIND} },
 624	{ KE_KEY,  0x23, {KEY_FORWARD} },
 625	{ KE_KEY,  0x24, {KEY_PLAYPAUSE} },
 626	{ KE_KEY,  0x25, {KEY_STOPCD} },
 627	{ KE_KEY,  0x31, {KEY_MAIL} },
 628	{ KE_KEY,  0x36, {KEY_WWW} },
 629	{ KE_END,  0 }
 630};
 631
 632
 633/*
 634 * If your machine is not here (which is currently rather likely), please send
 635 * a list of buttons and their key codes (reported when loading this module
 636 * with force=1) and the output of dmidecode to $MODULE_AUTHOR.
 637 */
 638static const struct dmi_system_id __initconst dmi_ids[] = {
 639	{
 640		/* Fujitsu-Siemens Amilo Pro V2000 */
 641		.callback = dmi_matched,
 642		.matches = {
 643			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 644			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2000"),
 645		},
 646		.driver_data = keymap_fs_amilo_pro_v2000
 647	},
 648	{
 649		/* Fujitsu-Siemens Amilo Pro Edition V3505 */
 650		.callback = dmi_matched,
 651		.matches = {
 652			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 653			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro Edition V3505"),
 654		},
 655		.driver_data = keymap_fs_amilo_pro_v3505
 656	},
 657	{
 
 
 
 
 
 
 
 
 
 658		/* Fujitsu-Siemens Amilo M7400 */
 659		.callback = dmi_matched,
 660		.matches = {
 661			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 662			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO M        "),
 663		},
 664		.driver_data = keymap_fs_amilo_pro_v2000
 665	},
 666	{
 667		/* Maxdata Pro 7000 DX */
 668		.callback = dmi_matched,
 669		.matches = {
 670			DMI_MATCH(DMI_SYS_VENDOR, "MAXDATA"),
 671			DMI_MATCH(DMI_PRODUCT_NAME, "Pro 7000"),
 672		},
 673		.driver_data = keymap_fs_amilo_pro_v2000
 674	},
 675	{
 676		/* Fujitsu N3510 */
 677		.callback = dmi_matched,
 678		.matches = {
 679			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 680			DMI_MATCH(DMI_PRODUCT_NAME, "N3510"),
 681		},
 682		.driver_data = keymap_fujitsu_n3510
 683	},
 684	{
 685		/* Acer Aspire 1500 */
 686		.callback = dmi_matched,
 687		.matches = {
 688			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 689			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1500"),
 690		},
 691		.driver_data = keymap_acer_aspire_1500
 692	},
 693	{
 694		/* Acer Aspire 1600 */
 695		.callback = dmi_matched,
 696		.matches = {
 697			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 698			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1600"),
 699		},
 700		.driver_data = keymap_acer_aspire_1600
 701	},
 702	{
 703		/* Acer Aspire 3020 */
 704		.callback = dmi_matched,
 705		.matches = {
 706			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 707			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3020"),
 708		},
 709		.driver_data = keymap_acer_aspire_5020
 710	},
 711	{
 712		/* Acer Aspire 5020 */
 713		.callback = dmi_matched,
 714		.matches = {
 715			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 716			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5020"),
 717		},
 718		.driver_data = keymap_acer_aspire_5020
 719	},
 720	{
 721		/* Acer TravelMate 2100 */
 722		.callback = dmi_matched,
 723		.matches = {
 724			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 725			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2100"),
 726		},
 727		.driver_data = keymap_acer_aspire_5020
 728	},
 729	{
 730		/* Acer TravelMate 2410 */
 731		.callback = dmi_matched,
 732		.matches = {
 733			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 734			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2410"),
 735		},
 736		.driver_data = keymap_acer_travelmate_2410
 737	},
 738	{
 739		/* Acer TravelMate C300 */
 740		.callback = dmi_matched,
 741		.matches = {
 742			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 743			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate C300"),
 744		},
 745		.driver_data = keymap_acer_travelmate_300
 746	},
 747	{
 748		/* Acer TravelMate C100 */
 749		.callback = dmi_matched,
 750		.matches = {
 751			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 752			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate C100"),
 753		},
 754		.driver_data = keymap_acer_travelmate_300
 755	},
 756	{
 757		/* Acer TravelMate C110 */
 758		.callback = dmi_matched,
 759		.matches = {
 760			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 761			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate C110"),
 762		},
 763		.driver_data = keymap_acer_travelmate_110
 764	},
 765	{
 766		/* Acer TravelMate 380 */
 767		.callback = dmi_matched,
 768		.matches = {
 769			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 770			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 380"),
 771		},
 772		.driver_data = keymap_acer_travelmate_380
 773	},
 774	{
 775		/* Acer TravelMate 370 */
 776		.callback = dmi_matched,
 777		.matches = {
 778			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 779			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 370"),
 780		},
 781		.driver_data = keymap_acer_travelmate_380 /* keyboard minus 1 key */
 782	},
 783	{
 784		/* Acer TravelMate 220 */
 785		.callback = dmi_matched,
 786		.matches = {
 787			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 788			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 220"),
 789		},
 790		.driver_data = keymap_acer_travelmate_220
 791	},
 792	{
 793		/* Acer TravelMate 260 */
 794		.callback = dmi_matched,
 795		.matches = {
 796			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 797			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 260"),
 798		},
 799		.driver_data = keymap_acer_travelmate_220
 800	},
 801	{
 802		/* Acer TravelMate 230 */
 803		.callback = dmi_matched,
 804		.matches = {
 805			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 806			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 230"),
 807			/* acerhk looks for "TravelMate F4..." ?! */
 808		},
 809		.driver_data = keymap_acer_travelmate_230
 810	},
 811	{
 812		/* Acer TravelMate 280 */
 813		.callback = dmi_matched,
 814		.matches = {
 815			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 816			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 280"),
 817		},
 818		.driver_data = keymap_acer_travelmate_230
 819	},
 820	{
 821		/* Acer TravelMate 240 */
 822		.callback = dmi_matched,
 823		.matches = {
 824			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 825			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 240"),
 826		},
 827		.driver_data = keymap_acer_travelmate_240
 828	},
 829	{
 830		/* Acer TravelMate 250 */
 831		.callback = dmi_matched,
 832		.matches = {
 833			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 834			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 250"),
 835		},
 836		.driver_data = keymap_acer_travelmate_240
 837	},
 838	{
 839		/* Acer TravelMate 2424NWXCi */
 840		.callback = dmi_matched,
 841		.matches = {
 842			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 843			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2420"),
 844		},
 845		.driver_data = keymap_acer_travelmate_240
 846	},
 847	{
 848		/* Acer TravelMate 350 */
 849		.callback = dmi_matched,
 850		.matches = {
 851			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 852			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 350"),
 853		},
 854		.driver_data = keymap_acer_travelmate_350
 855	},
 856	{
 857		/* Acer TravelMate 360 */
 858		.callback = dmi_matched,
 859		.matches = {
 860			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 861			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 360"),
 862		},
 863		.driver_data = keymap_acer_travelmate_360
 864	},
 865	{
 866		/* Acer TravelMate 610 */
 867		.callback = dmi_matched,
 868		.matches = {
 869			DMI_MATCH(DMI_SYS_VENDOR, "ACER"),
 870			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 610"),
 871		},
 872		.driver_data = keymap_acer_travelmate_610
 873	},
 874	{
 875		/* Acer TravelMate 620 */
 876		.callback = dmi_matched,
 877		.matches = {
 878			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 879			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 620"),
 880		},
 881		.driver_data = keymap_acer_travelmate_630
 882	},
 883	{
 884		/* Acer TravelMate 630 */
 885		.callback = dmi_matched,
 886		.matches = {
 887			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 888			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 630"),
 889		},
 890		.driver_data = keymap_acer_travelmate_630
 891	},
 892	{
 893		/* AOpen 1559AS */
 894		.callback = dmi_matched,
 895		.matches = {
 896			DMI_MATCH(DMI_PRODUCT_NAME, "E2U"),
 897			DMI_MATCH(DMI_BOARD_NAME, "E2U"),
 898		},
 899		.driver_data = keymap_aopen_1559as
 900	},
 901	{
 902		/* Medion MD 9783 */
 903		.callback = dmi_matched,
 904		.matches = {
 905			DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
 906			DMI_MATCH(DMI_PRODUCT_NAME, "MD 9783"),
 907		},
 908		.driver_data = keymap_wistron_ms2111
 909	},
 910	{
 911		/* Medion MD 40100 */
 912		.callback = dmi_matched,
 913		.matches = {
 914			DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
 915			DMI_MATCH(DMI_PRODUCT_NAME, "WID2000"),
 916		},
 917		.driver_data = keymap_wistron_md40100
 918	},
 919	{
 920		/* Medion MD 2900 */
 921		.callback = dmi_matched,
 922		.matches = {
 923			DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
 924			DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2000"),
 925		},
 926		.driver_data = keymap_wistron_md2900
 927	},
 928	{
 929		/* Medion MD 42200 */
 930		.callback = dmi_matched,
 931		.matches = {
 932			DMI_MATCH(DMI_SYS_VENDOR, "Medion"),
 933			DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2030"),
 934		},
 935		.driver_data = keymap_fs_amilo_pro_v2000
 936	},
 937	{
 938		/* Medion MD 96500 */
 939		.callback = dmi_matched,
 940		.matches = {
 941			DMI_MATCH(DMI_SYS_VENDOR, "MEDIONPC"),
 942			DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2040"),
 943		},
 944		.driver_data = keymap_wistron_md96500
 945	},
 946	{
 947		/* Medion MD 95400 */
 948		.callback = dmi_matched,
 949		.matches = {
 950			DMI_MATCH(DMI_SYS_VENDOR, "MEDIONPC"),
 951			DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2050"),
 952		},
 953		.driver_data = keymap_wistron_md96500
 954	},
 955	{
 956		/* Fujitsu Siemens Amilo D7820 */
 957		.callback = dmi_matched,
 958		.matches = {
 959			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), /* not sure */
 960			DMI_MATCH(DMI_PRODUCT_NAME, "Amilo D"),
 961		},
 962		.driver_data = keymap_fs_amilo_d88x0
 963	},
 964	{
 965		/* Fujitsu Siemens Amilo D88x0 */
 966		.callback = dmi_matched,
 967		.matches = {
 968			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 969			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO D"),
 970		},
 971		.driver_data = keymap_fs_amilo_d88x0
 972	},
 973	{ NULL, }
 974};
 
 975
 976/* Copy the good keymap, as the original ones are free'd */
 977static int __init copy_keymap(void)
 978{
 979	const struct key_entry *key;
 980	struct key_entry *new_keymap;
 981	unsigned int length = 1;
 982
 983	for (key = keymap; key->type != KE_END; key++)
 984		length++;
 985
 986	new_keymap = kmemdup(keymap, length * sizeof(struct key_entry),
 987			     GFP_KERNEL);
 988	if (!new_keymap)
 989		return -ENOMEM;
 990
 991	keymap = new_keymap;
 992
 993	return 0;
 994}
 995
 996static int __init select_keymap(void)
 997{
 998	dmi_check_system(dmi_ids);
 999	if (keymap_name != NULL) {
1000		if (strcmp (keymap_name, "1557/MS2141") == 0)
1001			keymap = keymap_wistron_ms2141;
1002		else if (strcmp (keymap_name, "aopen1557") == 0)
1003			keymap = keymap_aopen_1557;
1004		else if (strcmp (keymap_name, "prestigio") == 0)
1005			keymap = keymap_prestigio;
1006		else if (strcmp (keymap_name, "generic") == 0)
1007			keymap = keymap_wistron_generic;
1008		else {
1009			printk(KERN_ERR "wistron_btns: Keymap unknown\n");
1010			return -EINVAL;
1011		}
1012	}
1013	if (keymap == NULL) {
1014		if (!force) {
1015			printk(KERN_ERR "wistron_btns: System unknown\n");
1016			return -ENODEV;
1017		}
1018		keymap = keymap_empty;
1019	}
1020
1021	return copy_keymap();
1022}
1023
1024 /* Input layer interface */
1025
1026static struct input_polled_dev *wistron_idev;
1027static unsigned long jiffies_last_press;
1028static bool wifi_enabled;
1029static bool bluetooth_enabled;
1030
1031 /* led management */
1032static void wistron_mail_led_set(struct led_classdev *led_cdev,
1033				enum led_brightness value)
1034{
1035	bios_set_state(MAIL_LED, (value != LED_OFF) ? 1 : 0);
1036}
1037
1038/* same as setting up wifi card, but for laptops on which the led is managed */
1039static void wistron_wifi_led_set(struct led_classdev *led_cdev,
1040				enum led_brightness value)
1041{
1042	bios_set_state(WIFI, (value != LED_OFF) ? 1 : 0);
1043}
1044
1045static struct led_classdev wistron_mail_led = {
1046	.name			= "wistron:green:mail",
1047	.brightness_set		= wistron_mail_led_set,
1048};
1049
1050static struct led_classdev wistron_wifi_led = {
1051	.name			= "wistron:red:wifi",
1052	.brightness_set		= wistron_wifi_led_set,
1053};
1054
1055static void __devinit wistron_led_init(struct device *parent)
1056{
1057	if (leds_present & FE_WIFI_LED) {
1058		u16 wifi = bios_get_default_setting(WIFI);
1059		if (wifi & 1) {
1060			wistron_wifi_led.brightness = (wifi & 2) ? LED_FULL : LED_OFF;
1061			if (led_classdev_register(parent, &wistron_wifi_led))
1062				leds_present &= ~FE_WIFI_LED;
1063			else
1064				bios_set_state(WIFI, wistron_wifi_led.brightness);
1065
1066		} else
1067			leds_present &= ~FE_WIFI_LED;
1068	}
1069
1070	if (leds_present & FE_MAIL_LED) {
1071		/* bios_get_default_setting(MAIL) always retuns 0, so just turn the led off */
1072		wistron_mail_led.brightness = LED_OFF;
1073		if (led_classdev_register(parent, &wistron_mail_led))
1074			leds_present &= ~FE_MAIL_LED;
1075		else
1076			bios_set_state(MAIL_LED, wistron_mail_led.brightness);
1077	}
1078}
1079
1080static void __devexit wistron_led_remove(void)
1081{
1082	if (leds_present & FE_MAIL_LED)
1083		led_classdev_unregister(&wistron_mail_led);
1084
1085	if (leds_present & FE_WIFI_LED)
1086		led_classdev_unregister(&wistron_wifi_led);
1087}
1088
1089static inline void wistron_led_suspend(void)
1090{
1091	if (leds_present & FE_MAIL_LED)
1092		led_classdev_suspend(&wistron_mail_led);
1093
1094	if (leds_present & FE_WIFI_LED)
1095		led_classdev_suspend(&wistron_wifi_led);
1096}
1097
1098static inline void wistron_led_resume(void)
1099{
1100	if (leds_present & FE_MAIL_LED)
1101		led_classdev_resume(&wistron_mail_led);
1102
1103	if (leds_present & FE_WIFI_LED)
1104		led_classdev_resume(&wistron_wifi_led);
1105}
1106
1107static void handle_key(u8 code)
1108{
1109	const struct key_entry *key =
1110		sparse_keymap_entry_from_scancode(wistron_idev->input, code);
1111
1112	if (key) {
1113		switch (key->type) {
1114		case KE_WIFI:
1115			if (have_wifi) {
1116				wifi_enabled = !wifi_enabled;
1117				bios_set_state(WIFI, wifi_enabled);
1118			}
1119			break;
1120
1121		case KE_BLUETOOTH:
1122			if (have_bluetooth) {
1123				bluetooth_enabled = !bluetooth_enabled;
1124				bios_set_state(BLUETOOTH, bluetooth_enabled);
1125			}
1126			break;
1127
1128		default:
1129			sparse_keymap_report_entry(wistron_idev->input,
1130						   key, 1, true);
1131			break;
1132		}
1133		jiffies_last_press = jiffies;
1134	} else
1135		printk(KERN_NOTICE
1136			"wistron_btns: Unknown key code %02X\n", code);
1137}
1138
1139static void poll_bios(bool discard)
1140{
1141	u8 qlen;
1142	u16 val;
1143
1144	for (;;) {
1145		qlen = CMOS_READ(cmos_address);
1146		if (qlen == 0)
1147			break;
1148		val = bios_pop_queue();
1149		if (val != 0 && !discard)
1150			handle_key((u8)val);
1151	}
1152}
1153
1154static void wistron_flush(struct input_polled_dev *dev)
1155{
1156	/* Flush stale event queue */
1157	poll_bios(true);
1158}
1159
1160static void wistron_poll(struct input_polled_dev *dev)
1161{
1162	poll_bios(false);
1163
1164	/* Increase poll frequency if user is currently pressing keys (< 2s ago) */
1165	if (time_before(jiffies, jiffies_last_press + 2 * HZ))
1166		dev->poll_interval = POLL_INTERVAL_BURST;
1167	else
1168		dev->poll_interval = POLL_INTERVAL_DEFAULT;
1169}
1170
1171static int __devinit wistron_setup_keymap(struct input_dev *dev,
1172					  struct key_entry *entry)
1173{
1174	switch (entry->type) {
1175
1176	/* if wifi or bluetooth are not available, create normal keys */
1177	case KE_WIFI:
1178		if (!have_wifi) {
1179			entry->type = KE_KEY;
1180			entry->keycode = KEY_WLAN;
1181		}
1182		break;
1183
1184	case KE_BLUETOOTH:
1185		if (!have_bluetooth) {
1186			entry->type = KE_KEY;
1187			entry->keycode = KEY_BLUETOOTH;
1188		}
1189		break;
1190
1191	case KE_END:
1192		if (entry->code & FE_UNTESTED)
1193			printk(KERN_WARNING "Untested laptop multimedia keys, "
1194				"please report success or failure to "
1195				"eric.piel@tremplin-utc.net\n");
1196		break;
1197	}
1198
1199	return 0;
1200}
1201
1202static int __devinit setup_input_dev(void)
1203{
1204	struct input_dev *input_dev;
1205	int error;
1206
1207	wistron_idev = input_allocate_polled_device();
1208	if (!wistron_idev)
1209		return -ENOMEM;
1210
1211	wistron_idev->open = wistron_flush;
1212	wistron_idev->poll = wistron_poll;
1213	wistron_idev->poll_interval = POLL_INTERVAL_DEFAULT;
1214
1215	input_dev = wistron_idev->input;
1216	input_dev->name = "Wistron laptop buttons";
1217	input_dev->phys = "wistron/input0";
1218	input_dev->id.bustype = BUS_HOST;
1219	input_dev->dev.parent = &wistron_device->dev;
1220
1221	error = sparse_keymap_setup(input_dev, keymap, wistron_setup_keymap);
1222	if (error)
1223		goto err_free_dev;
1224
1225	error = input_register_polled_device(wistron_idev);
1226	if (error)
1227		goto err_free_keymap;
1228
1229	return 0;
1230
1231 err_free_keymap:
1232	sparse_keymap_free(input_dev);
1233 err_free_dev:
1234	input_free_polled_device(wistron_idev);
1235	return error;
1236}
1237
1238/* Driver core */
1239
1240static int __devinit wistron_probe(struct platform_device *dev)
1241{
1242	int err;
1243
1244	bios_attach();
1245	cmos_address = bios_get_cmos_address();
1246
1247	if (have_wifi) {
1248		u16 wifi = bios_get_default_setting(WIFI);
1249		if (wifi & 1)
1250			wifi_enabled = wifi & 2;
1251		else
1252			have_wifi = 0;
1253
1254		if (have_wifi)
1255			bios_set_state(WIFI, wifi_enabled);
1256	}
1257
1258	if (have_bluetooth) {
1259		u16 bt = bios_get_default_setting(BLUETOOTH);
1260		if (bt & 1)
1261			bluetooth_enabled = bt & 2;
1262		else
1263			have_bluetooth = false;
1264
1265		if (have_bluetooth)
1266			bios_set_state(BLUETOOTH, bluetooth_enabled);
1267	}
1268
1269	wistron_led_init(&dev->dev);
1270
1271	err = setup_input_dev();
1272	if (err) {
1273		bios_detach();
1274		return err;
1275	}
1276
1277	return 0;
1278}
1279
1280static int __devexit wistron_remove(struct platform_device *dev)
1281{
1282	wistron_led_remove();
1283	input_unregister_polled_device(wistron_idev);
1284	sparse_keymap_free(wistron_idev->input);
1285	input_free_polled_device(wistron_idev);
1286	bios_detach();
1287
1288	return 0;
1289}
1290
1291#ifdef CONFIG_PM
1292static int wistron_suspend(struct device *dev)
1293{
1294	if (have_wifi)
1295		bios_set_state(WIFI, 0);
1296
1297	if (have_bluetooth)
1298		bios_set_state(BLUETOOTH, 0);
1299
1300	wistron_led_suspend();
1301
1302	return 0;
1303}
1304
1305static int wistron_resume(struct device *dev)
1306{
1307	if (have_wifi)
1308		bios_set_state(WIFI, wifi_enabled);
1309
1310	if (have_bluetooth)
1311		bios_set_state(BLUETOOTH, bluetooth_enabled);
1312
1313	wistron_led_resume();
1314
1315	poll_bios(true);
1316
1317	return 0;
1318}
1319
1320static const struct dev_pm_ops wistron_pm_ops = {
1321	.suspend	= wistron_suspend,
1322	.resume		= wistron_resume,
1323	.poweroff	= wistron_suspend,
1324	.restore	= wistron_resume,
1325};
1326#endif
1327
1328static struct platform_driver wistron_driver = {
1329	.driver		= {
1330		.name	= "wistron-bios",
1331		.owner	= THIS_MODULE,
1332#ifdef CONFIG_PM
1333		.pm	= &wistron_pm_ops,
1334#endif
1335	},
1336	.probe		= wistron_probe,
1337	.remove		= __devexit_p(wistron_remove),
1338};
1339
1340static int __init wb_module_init(void)
1341{
1342	int err;
1343
1344	err = select_keymap();
1345	if (err)
1346		return err;
1347
1348	err = map_bios();
1349	if (err)
1350		goto err_free_keymap;
1351
1352	err = platform_driver_register(&wistron_driver);
1353	if (err)
1354		goto err_unmap_bios;
1355
1356	wistron_device = platform_device_alloc("wistron-bios", -1);
1357	if (!wistron_device) {
1358		err = -ENOMEM;
1359		goto err_unregister_driver;
1360	}
1361
1362	err = platform_device_add(wistron_device);
1363	if (err)
1364		goto err_free_device;
1365
1366	return 0;
1367
1368 err_free_device:
1369	platform_device_put(wistron_device);
1370 err_unregister_driver:
1371	platform_driver_unregister(&wistron_driver);
1372 err_unmap_bios:
1373	unmap_bios();
1374 err_free_keymap:
1375	kfree(keymap);
1376
1377	return err;
1378}
1379
1380static void __exit wb_module_exit(void)
1381{
1382	platform_device_unregister(wistron_device);
1383	platform_driver_unregister(&wistron_driver);
1384	unmap_bios();
1385	kfree(keymap);
1386}
1387
1388module_init(wb_module_init);
1389module_exit(wb_module_exit);