1 /*-*-linux-c-*-*/
2
3 /*
4 Copyright (C) 2007,2008 Jonathan Woithe <jwoithe@physics.adelaide.edu.au>
5 Copyright (C) 2008 Peter Gruber <nokos@gmx.net>
6 Copyright (C) 2008 Tony Vroon <tony@linx.net>
7 Based on earlier work:
8 Copyright (C) 2003 Shane Spencer <shane@bogomip.com>
9 Adrian Yee <brewt-fujitsu@brewt.org>
10
11 Templated from msi-laptop.c and thinkpad_acpi.c which is copyright
12 by its respective authors.
13
14 This program is free software; you can redistribute it and/or modify
15 it under the terms of the GNU General Public License as published by
16 the Free Software Foundation; either version 2 of the License, or
17 (at your option) any later version.
18
19 This program is distributed in the hope that it will be useful, but
20 WITHOUT ANY WARRANTY; without even the implied warranty of
21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22 General Public License for more details.
23
24 You should have received a copy of the GNU General Public License
25 along with this program; if not, write to the Free Software
26 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
27 02110-1301, USA.
28 */
29
30 /*
31 * fujitsu-laptop.c - Fujitsu laptop support, providing access to additional
32 * features made available on a range of Fujitsu laptops including the
33 * P2xxx/P5xxx/S6xxx/S7xxx series.
34 *
35 * This driver exports a few files in /sys/devices/platform/fujitsu-laptop/;
36 * others may be added at a later date.
37 *
38 * lcd_level - Screen brightness: contains a single integer in the
39 * range 0..7. (rw)
40 *
41 * In addition to these platform device attributes the driver
42 * registers itself in the Linux backlight control subsystem and is
43 * available to userspace under /sys/class/backlight/fujitsu-laptop/.
44 *
45 * Hotkeys present on certain Fujitsu laptops (eg: the S6xxx series) are
46 * also supported by this driver.
47 *
48 * This driver has been tested on a Fujitsu Lifebook S6410, S7020 and
49 * P8010. It should work on most P-series and S-series Lifebooks, but
50 * YMMV.
51 *
52 * The module parameter use_alt_lcd_levels switches between different ACPI
53 * brightness controls which are used by different Fujitsu laptops. In most
54 * cases the correct method is automatically detected. "use_alt_lcd_levels=1"
55 * is applicable for a Fujitsu Lifebook S6410 if autodetection fails.
56 *
57 */
58
59 #include <linux/module.h>
60 #include <linux/kernel.h>
61 #include <linux/init.h>
62 #include <linux/acpi.h>
63 #include <linux/dmi.h>
64 #include <linux/backlight.h>
65 #include <linux/input.h>
66 #include <linux/kfifo.h>
67 #include <linux/video_output.h>
68 #include <linux/platform_device.h>
69 #ifdef CONFIG_LEDS_CLASS
70 #include <linux/leds.h>
71 #endif
72
73 #define FUJITSU_DRIVER_VERSION "0.5.0"
74
75 #define FUJITSU_LCD_N_LEVELS 8
76
77 #define ACPI_FUJITSU_CLASS "fujitsu"
78 #define ACPI_FUJITSU_HID "FUJ02B1"
79 #define ACPI_FUJITSU_DRIVER_NAME "Fujitsu laptop FUJ02B1 ACPI brightness driver"
80 #define ACPI_FUJITSU_DEVICE_NAME "Fujitsu FUJ02B1"
81 #define ACPI_FUJITSU_HOTKEY_HID "FUJ02E3"
82 #define ACPI_FUJITSU_HOTKEY_DRIVER_NAME "Fujitsu laptop FUJ02E3 ACPI hotkeys driver"
83 #define ACPI_FUJITSU_HOTKEY_DEVICE_NAME "Fujitsu FUJ02E3"
84
85 #define ACPI_FUJITSU_NOTIFY_CODE1 0x80
86
87 #define ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS 0x86
88 #define ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS 0x87
89
90 /* FUNC interface - command values */
91 #define FUNC_RFKILL 0x1000
92 #define FUNC_LEDS 0x1001
93 #define FUNC_BUTTONS 0x1002
94 #define FUNC_BACKLIGHT 0x1004
95
96 /* FUNC interface - responses */
97 #define UNSUPPORTED_CMD 0x80000000
98
99 #ifdef CONFIG_LEDS_CLASS
100 /* FUNC interface - LED control */
101 #define FUNC_LED_OFF 0x1
102 #define FUNC_LED_ON 0x30001
103 #define KEYBOARD_LAMPS 0x100
104 #define LOGOLAMP_POWERON 0x2000
105 #define LOGOLAMP_ALWAYS 0x4000
106 #endif
107
108 /* Hotkey details */
109 #define KEY1_CODE 0x410 /* codes for the keys in the GIRB register */
110 #define KEY2_CODE 0x411
111 #define KEY3_CODE 0x412
112 #define KEY4_CODE 0x413
113
114 #define MAX_HOTKEY_RINGBUFFER_SIZE 100
115 #define RINGBUFFERSIZE 40
116
117 /* Debugging */
118 #define FUJLAPTOP_LOG ACPI_FUJITSU_HID ": "
119 #define FUJLAPTOP_ERR KERN_ERR FUJLAPTOP_LOG
120 #define FUJLAPTOP_NOTICE KERN_NOTICE FUJLAPTOP_LOG
121 #define FUJLAPTOP_INFO KERN_INFO FUJLAPTOP_LOG
122 #define FUJLAPTOP_DEBUG KERN_DEBUG FUJLAPTOP_LOG
123
124 #define FUJLAPTOP_DBG_ALL 0xffff
125 #define FUJLAPTOP_DBG_ERROR 0x0001
126 #define FUJLAPTOP_DBG_WARN 0x0002
127 #define FUJLAPTOP_DBG_INFO 0x0004
128 #define FUJLAPTOP_DBG_TRACE 0x0008
129
130 #define dbg_printk(a_dbg_level, format, arg...) \
131 do { if (dbg_level & a_dbg_level) \
132 printk(FUJLAPTOP_DEBUG "%s: " format, __func__ , ## arg); \
133 } while (0)
134 #ifdef CONFIG_FUJITSU_LAPTOP_DEBUG
135 #define vdbg_printk(a_dbg_level, format, arg...) \
136 dbg_printk(a_dbg_level, format, ## arg)
137 #else
138 #define vdbg_printk(a_dbg_level, format, arg...)
139 #endif
140
141 /* Device controlling the backlight and associated keys */
142 struct fujitsu_t {
143 acpi_handle acpi_handle;
144 struct acpi_device *dev;
145 struct input_dev *input;
146 char phys[32];
147 struct backlight_device *bl_device;
148 struct platform_device *pf_device;
149 int keycode1, keycode2, keycode3, keycode4;
150
151 unsigned int max_brightness;
152 unsigned int brightness_changed;
153 unsigned int brightness_level;
154 };
155
156 static struct fujitsu_t *fujitsu;
157 static int use_alt_lcd_levels = -1;
158 static int disable_brightness_adjust = -1;
159
160 /* Device used to access other hotkeys on the laptop */
161 struct fujitsu_hotkey_t {
162 acpi_handle acpi_handle;
163 struct acpi_device *dev;
164 struct input_dev *input;
165 char phys[32];
166 struct platform_device *pf_device;
167 struct kfifo *fifo;
168 spinlock_t fifo_lock;
169 int rfkill_supported;
170 int rfkill_state;
171 int logolamp_registered;
172 int kblamps_registered;
173 };
174
175 static struct fujitsu_hotkey_t *fujitsu_hotkey;
176
177 static void acpi_fujitsu_hotkey_notify(acpi_handle handle, u32 event,
178 void *data);
179
180 #ifdef CONFIG_LEDS_CLASS
181 static enum led_brightness logolamp_get(struct led_classdev *cdev);
182 static void logolamp_set(struct led_classdev *cdev,
183 enum led_brightness brightness);
184
185 struct led_classdev logolamp_led = {
186 .name = "fujitsu::logolamp",
187 .brightness_get = logolamp_get,
188 .brightness_set = logolamp_set
189 };
190
191 static enum led_brightness kblamps_get(struct led_classdev *cdev);
192 static void kblamps_set(struct led_classdev *cdev,
193 enum led_brightness brightness);
194
195 struct led_classdev kblamps_led = {
196 .name = "fujitsu::kblamps",
197 .brightness_get = kblamps_get,
198 .brightness_set = kblamps_set
199 };
200 #endif
201
202 #ifdef CONFIG_FUJITSU_LAPTOP_DEBUG
203 static u32 dbg_level = 0x03;
204 #endif
205
206 static void acpi_fujitsu_notify(acpi_handle handle, u32 event, void *data);
207
208 /* Fujitsu ACPI interface function */
209
call_fext_func(int cmd,int arg0,int arg1,int arg2)210 static int call_fext_func(int cmd, int arg0, int arg1, int arg2)
211 {
212 acpi_status status = AE_OK;
213 union acpi_object params[4] = {
214 { .type = ACPI_TYPE_INTEGER },
215 { .type = ACPI_TYPE_INTEGER },
216 { .type = ACPI_TYPE_INTEGER },
217 { .type = ACPI_TYPE_INTEGER }
218 };
219 struct acpi_object_list arg_list = { 4, ¶ms[0] };
220 struct acpi_buffer output;
221 union acpi_object out_obj;
222 acpi_handle handle = NULL;
223
224 status = acpi_get_handle(fujitsu_hotkey->acpi_handle, "FUNC", &handle);
225 if (ACPI_FAILURE(status)) {
226 vdbg_printk(FUJLAPTOP_DBG_ERROR,
227 "FUNC interface is not present\n");
228 return -ENODEV;
229 }
230
231 params[0].integer.value = cmd;
232 params[1].integer.value = arg0;
233 params[2].integer.value = arg1;
234 params[3].integer.value = arg2;
235
236 output.length = sizeof(out_obj);
237 output.pointer = &out_obj;
238
239 status = acpi_evaluate_object(handle, NULL, &arg_list, &output);
240 if (ACPI_FAILURE(status)) {
241 vdbg_printk(FUJLAPTOP_DBG_WARN,
242 "FUNC 0x%x (args 0x%x, 0x%x, 0x%x) call failed\n",
243 cmd, arg0, arg1, arg2);
244 return -ENODEV;
245 }
246
247 if (out_obj.type != ACPI_TYPE_INTEGER) {
248 vdbg_printk(FUJLAPTOP_DBG_WARN,
249 "FUNC 0x%x (args 0x%x, 0x%x, 0x%x) did not "
250 "return an integer\n",
251 cmd, arg0, arg1, arg2);
252 return -ENODEV;
253 }
254
255 vdbg_printk(FUJLAPTOP_DBG_TRACE,
256 "FUNC 0x%x (args 0x%x, 0x%x, 0x%x) returned 0x%x\n",
257 cmd, arg0, arg1, arg2, (int)out_obj.integer.value);
258 return out_obj.integer.value;
259 }
260
261 #ifdef CONFIG_LEDS_CLASS
262 /* LED class callbacks */
263
logolamp_set(struct led_classdev * cdev,enum led_brightness brightness)264 static void logolamp_set(struct led_classdev *cdev,
265 enum led_brightness brightness)
266 {
267 if (brightness >= LED_FULL) {
268 call_fext_func(FUNC_LEDS, 0x1, LOGOLAMP_POWERON, FUNC_LED_ON);
269 call_fext_func(FUNC_LEDS, 0x1, LOGOLAMP_ALWAYS, FUNC_LED_ON);
270 } else if (brightness >= LED_HALF) {
271 call_fext_func(FUNC_LEDS, 0x1, LOGOLAMP_POWERON, FUNC_LED_ON);
272 call_fext_func(FUNC_LEDS, 0x1, LOGOLAMP_ALWAYS, FUNC_LED_OFF);
273 } else {
274 call_fext_func(FUNC_LEDS, 0x1, LOGOLAMP_POWERON, FUNC_LED_OFF);
275 }
276 }
277
kblamps_set(struct led_classdev * cdev,enum led_brightness brightness)278 static void kblamps_set(struct led_classdev *cdev,
279 enum led_brightness brightness)
280 {
281 if (brightness >= LED_FULL)
282 call_fext_func(FUNC_LEDS, 0x1, KEYBOARD_LAMPS, FUNC_LED_ON);
283 else
284 call_fext_func(FUNC_LEDS, 0x1, KEYBOARD_LAMPS, FUNC_LED_OFF);
285 }
286
logolamp_get(struct led_classdev * cdev)287 static enum led_brightness logolamp_get(struct led_classdev *cdev)
288 {
289 enum led_brightness brightness = LED_OFF;
290 int poweron, always;
291
292 poweron = call_fext_func(FUNC_LEDS, 0x2, LOGOLAMP_POWERON, 0x0);
293 if (poweron == FUNC_LED_ON) {
294 brightness = LED_HALF;
295 always = call_fext_func(FUNC_LEDS, 0x2, LOGOLAMP_ALWAYS, 0x0);
296 if (always == FUNC_LED_ON)
297 brightness = LED_FULL;
298 }
299 return brightness;
300 }
301
kblamps_get(struct led_classdev * cdev)302 static enum led_brightness kblamps_get(struct led_classdev *cdev)
303 {
304 enum led_brightness brightness = LED_OFF;
305
306 if (call_fext_func(FUNC_LEDS, 0x2, KEYBOARD_LAMPS, 0x0) == FUNC_LED_ON)
307 brightness = LED_FULL;
308
309 return brightness;
310 }
311 #endif
312
313 /* Hardware access for LCD brightness control */
314
set_lcd_level(int level)315 static int set_lcd_level(int level)
316 {
317 acpi_status status = AE_OK;
318 union acpi_object arg0 = { ACPI_TYPE_INTEGER };
319 struct acpi_object_list arg_list = { 1, &arg0 };
320 acpi_handle handle = NULL;
321
322 vdbg_printk(FUJLAPTOP_DBG_TRACE, "set lcd level via SBLL [%d]\n",
323 level);
324
325 if (level < 0 || level >= fujitsu->max_brightness)
326 return -EINVAL;
327
328 if (!fujitsu)
329 return -EINVAL;
330
331 status = acpi_get_handle(fujitsu->acpi_handle, "SBLL", &handle);
332 if (ACPI_FAILURE(status)) {
333 vdbg_printk(FUJLAPTOP_DBG_ERROR, "SBLL not present\n");
334 return -ENODEV;
335 }
336
337 arg0.integer.value = level;
338
339 status = acpi_evaluate_object(handle, NULL, &arg_list, NULL);
340 if (ACPI_FAILURE(status))
341 return -ENODEV;
342
343 return 0;
344 }
345
set_lcd_level_alt(int level)346 static int set_lcd_level_alt(int level)
347 {
348 acpi_status status = AE_OK;
349 union acpi_object arg0 = { ACPI_TYPE_INTEGER };
350 struct acpi_object_list arg_list = { 1, &arg0 };
351 acpi_handle handle = NULL;
352
353 vdbg_printk(FUJLAPTOP_DBG_TRACE, "set lcd level via SBL2 [%d]\n",
354 level);
355
356 if (level < 0 || level >= fujitsu->max_brightness)
357 return -EINVAL;
358
359 if (!fujitsu)
360 return -EINVAL;
361
362 status = acpi_get_handle(fujitsu->acpi_handle, "SBL2", &handle);
363 if (ACPI_FAILURE(status)) {
364 vdbg_printk(FUJLAPTOP_DBG_ERROR, "SBL2 not present\n");
365 return -ENODEV;
366 }
367
368 arg0.integer.value = level;
369
370 status = acpi_evaluate_object(handle, NULL, &arg_list, NULL);
371 if (ACPI_FAILURE(status))
372 return -ENODEV;
373
374 return 0;
375 }
376
get_lcd_level(void)377 static int get_lcd_level(void)
378 {
379 unsigned long long state = 0;
380 acpi_status status = AE_OK;
381
382 vdbg_printk(FUJLAPTOP_DBG_TRACE, "get lcd level via GBLL\n");
383
384 status =
385 acpi_evaluate_integer(fujitsu->acpi_handle, "GBLL", NULL, &state);
386 if (status < 0)
387 return status;
388
389 fujitsu->brightness_level = state & 0x0fffffff;
390
391 if (state & 0x80000000)
392 fujitsu->brightness_changed = 1;
393 else
394 fujitsu->brightness_changed = 0;
395
396 return fujitsu->brightness_level;
397 }
398
get_max_brightness(void)399 static int get_max_brightness(void)
400 {
401 unsigned long long state = 0;
402 acpi_status status = AE_OK;
403
404 vdbg_printk(FUJLAPTOP_DBG_TRACE, "get max lcd level via RBLL\n");
405
406 status =
407 acpi_evaluate_integer(fujitsu->acpi_handle, "RBLL", NULL, &state);
408 if (status < 0)
409 return status;
410
411 fujitsu->max_brightness = state;
412
413 return fujitsu->max_brightness;
414 }
415
416 /* Backlight device stuff */
417
bl_get_brightness(struct backlight_device * b)418 static int bl_get_brightness(struct backlight_device *b)
419 {
420 return get_lcd_level();
421 }
422
bl_update_status(struct backlight_device * b)423 static int bl_update_status(struct backlight_device *b)
424 {
425 int ret;
426 if (b->props.power == 4)
427 ret = call_fext_func(FUNC_BACKLIGHT, 0x1, 0x4, 0x3);
428 else
429 ret = call_fext_func(FUNC_BACKLIGHT, 0x1, 0x4, 0x0);
430 if (ret != 0)
431 vdbg_printk(FUJLAPTOP_DBG_ERROR,
432 "Unable to adjust backlight power, error code %i\n",
433 ret);
434
435 if (use_alt_lcd_levels)
436 ret = set_lcd_level_alt(b->props.brightness);
437 else
438 ret = set_lcd_level(b->props.brightness);
439 if (ret != 0)
440 vdbg_printk(FUJLAPTOP_DBG_ERROR,
441 "Unable to adjust LCD brightness, error code %i\n",
442 ret);
443 return ret;
444 }
445
446 static struct backlight_ops fujitsubl_ops = {
447 .get_brightness = bl_get_brightness,
448 .update_status = bl_update_status,
449 };
450
451 /* Platform LCD brightness device */
452
453 static ssize_t
show_max_brightness(struct device * dev,struct device_attribute * attr,char * buf)454 show_max_brightness(struct device *dev,
455 struct device_attribute *attr, char *buf)
456 {
457
458 int ret;
459
460 ret = get_max_brightness();
461 if (ret < 0)
462 return ret;
463
464 return sprintf(buf, "%i\n", ret);
465 }
466
467 static ssize_t
show_brightness_changed(struct device * dev,struct device_attribute * attr,char * buf)468 show_brightness_changed(struct device *dev,
469 struct device_attribute *attr, char *buf)
470 {
471
472 int ret;
473
474 ret = fujitsu->brightness_changed;
475 if (ret < 0)
476 return ret;
477
478 return sprintf(buf, "%i\n", ret);
479 }
480
show_lcd_level(struct device * dev,struct device_attribute * attr,char * buf)481 static ssize_t show_lcd_level(struct device *dev,
482 struct device_attribute *attr, char *buf)
483 {
484
485 int ret;
486
487 ret = get_lcd_level();
488 if (ret < 0)
489 return ret;
490
491 return sprintf(buf, "%i\n", ret);
492 }
493
store_lcd_level(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)494 static ssize_t store_lcd_level(struct device *dev,
495 struct device_attribute *attr, const char *buf,
496 size_t count)
497 {
498
499 int level, ret;
500
501 if (sscanf(buf, "%i", &level) != 1
502 || (level < 0 || level >= fujitsu->max_brightness))
503 return -EINVAL;
504
505 if (use_alt_lcd_levels)
506 ret = set_lcd_level_alt(level);
507 else
508 ret = set_lcd_level(level);
509 if (ret < 0)
510 return ret;
511
512 ret = get_lcd_level();
513 if (ret < 0)
514 return ret;
515
516 return count;
517 }
518
519 static ssize_t
ignore_store(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)520 ignore_store(struct device *dev,
521 struct device_attribute *attr, const char *buf, size_t count)
522 {
523 return count;
524 }
525
526 static ssize_t
show_lid_state(struct device * dev,struct device_attribute * attr,char * buf)527 show_lid_state(struct device *dev,
528 struct device_attribute *attr, char *buf)
529 {
530 if (!(fujitsu_hotkey->rfkill_supported & 0x100))
531 return sprintf(buf, "unknown\n");
532 if (fujitsu_hotkey->rfkill_state & 0x100)
533 return sprintf(buf, "open\n");
534 else
535 return sprintf(buf, "closed\n");
536 }
537
538 static ssize_t
show_dock_state(struct device * dev,struct device_attribute * attr,char * buf)539 show_dock_state(struct device *dev,
540 struct device_attribute *attr, char *buf)
541 {
542 if (!(fujitsu_hotkey->rfkill_supported & 0x200))
543 return sprintf(buf, "unknown\n");
544 if (fujitsu_hotkey->rfkill_state & 0x200)
545 return sprintf(buf, "docked\n");
546 else
547 return sprintf(buf, "undocked\n");
548 }
549
550 static ssize_t
show_radios_state(struct device * dev,struct device_attribute * attr,char * buf)551 show_radios_state(struct device *dev,
552 struct device_attribute *attr, char *buf)
553 {
554 if (!(fujitsu_hotkey->rfkill_supported & 0x20))
555 return sprintf(buf, "unknown\n");
556 if (fujitsu_hotkey->rfkill_state & 0x20)
557 return sprintf(buf, "on\n");
558 else
559 return sprintf(buf, "killed\n");
560 }
561
562 static DEVICE_ATTR(max_brightness, 0444, show_max_brightness, ignore_store);
563 static DEVICE_ATTR(brightness_changed, 0444, show_brightness_changed,
564 ignore_store);
565 static DEVICE_ATTR(lcd_level, 0644, show_lcd_level, store_lcd_level);
566 static DEVICE_ATTR(lid, 0444, show_lid_state, ignore_store);
567 static DEVICE_ATTR(dock, 0444, show_dock_state, ignore_store);
568 static DEVICE_ATTR(radios, 0444, show_radios_state, ignore_store);
569
570 static struct attribute *fujitsupf_attributes[] = {
571 &dev_attr_brightness_changed.attr,
572 &dev_attr_max_brightness.attr,
573 &dev_attr_lcd_level.attr,
574 &dev_attr_lid.attr,
575 &dev_attr_dock.attr,
576 &dev_attr_radios.attr,
577 NULL
578 };
579
580 static struct attribute_group fujitsupf_attribute_group = {
581 .attrs = fujitsupf_attributes
582 };
583
584 static struct platform_driver fujitsupf_driver = {
585 .driver = {
586 .name = "fujitsu-laptop",
587 .owner = THIS_MODULE,
588 }
589 };
590
dmi_check_cb_common(const struct dmi_system_id * id)591 static void dmi_check_cb_common(const struct dmi_system_id *id)
592 {
593 acpi_handle handle;
594 printk(KERN_INFO "fujitsu-laptop: Identified laptop model '%s'.\n",
595 id->ident);
596 if (use_alt_lcd_levels == -1) {
597 if (ACPI_SUCCESS(acpi_get_handle(NULL,
598 "\\_SB.PCI0.LPCB.FJEX.SBL2", &handle)))
599 use_alt_lcd_levels = 1;
600 else
601 use_alt_lcd_levels = 0;
602 vdbg_printk(FUJLAPTOP_DBG_TRACE, "auto-detected usealt as "
603 "%i\n", use_alt_lcd_levels);
604 }
605 }
606
dmi_check_cb_s6410(const struct dmi_system_id * id)607 static int dmi_check_cb_s6410(const struct dmi_system_id *id)
608 {
609 dmi_check_cb_common(id);
610 fujitsu->keycode1 = KEY_SCREENLOCK; /* "Lock" */
611 fujitsu->keycode2 = KEY_HELP; /* "Mobility Center" */
612 return 0;
613 }
614
dmi_check_cb_s6420(const struct dmi_system_id * id)615 static int dmi_check_cb_s6420(const struct dmi_system_id *id)
616 {
617 dmi_check_cb_common(id);
618 fujitsu->keycode1 = KEY_SCREENLOCK; /* "Lock" */
619 fujitsu->keycode2 = KEY_HELP; /* "Mobility Center" */
620 return 0;
621 }
622
dmi_check_cb_p8010(const struct dmi_system_id * id)623 static int dmi_check_cb_p8010(const struct dmi_system_id *id)
624 {
625 dmi_check_cb_common(id);
626 fujitsu->keycode1 = KEY_HELP; /* "Support" */
627 fujitsu->keycode3 = KEY_SWITCHVIDEOMODE; /* "Presentation" */
628 fujitsu->keycode4 = KEY_WWW; /* "Internet" */
629 return 0;
630 }
631
632 static struct dmi_system_id fujitsu_dmi_table[] = {
633 {
634 .ident = "Fujitsu Siemens S6410",
635 .matches = {
636 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
637 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK S6410"),
638 },
639 .callback = dmi_check_cb_s6410},
640 {
641 .ident = "Fujitsu Siemens S6420",
642 .matches = {
643 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
644 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK S6420"),
645 },
646 .callback = dmi_check_cb_s6420},
647 {
648 .ident = "Fujitsu LifeBook P8010",
649 .matches = {
650 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
651 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P8010"),
652 },
653 .callback = dmi_check_cb_p8010},
654 {}
655 };
656
657 /* ACPI device for LCD brightness control */
658
acpi_fujitsu_add(struct acpi_device * device)659 static int acpi_fujitsu_add(struct acpi_device *device)
660 {
661 acpi_status status;
662 acpi_handle handle;
663 int result = 0;
664 int state = 0;
665 struct input_dev *input;
666 int error;
667
668 if (!device)
669 return -EINVAL;
670
671 fujitsu->acpi_handle = device->handle;
672 sprintf(acpi_device_name(device), "%s", ACPI_FUJITSU_DEVICE_NAME);
673 sprintf(acpi_device_class(device), "%s", ACPI_FUJITSU_CLASS);
674 device->driver_data = fujitsu;
675
676 status = acpi_install_notify_handler(device->handle,
677 ACPI_DEVICE_NOTIFY,
678 acpi_fujitsu_notify, fujitsu);
679
680 if (ACPI_FAILURE(status)) {
681 printk(KERN_ERR "Error installing notify handler\n");
682 error = -ENODEV;
683 goto err_stop;
684 }
685
686 fujitsu->input = input = input_allocate_device();
687 if (!input) {
688 error = -ENOMEM;
689 goto err_uninstall_notify;
690 }
691
692 snprintf(fujitsu->phys, sizeof(fujitsu->phys),
693 "%s/video/input0", acpi_device_hid(device));
694
695 input->name = acpi_device_name(device);
696 input->phys = fujitsu->phys;
697 input->id.bustype = BUS_HOST;
698 input->id.product = 0x06;
699 input->dev.parent = &device->dev;
700 input->evbit[0] = BIT(EV_KEY);
701 set_bit(KEY_BRIGHTNESSUP, input->keybit);
702 set_bit(KEY_BRIGHTNESSDOWN, input->keybit);
703 set_bit(KEY_UNKNOWN, input->keybit);
704
705 error = input_register_device(input);
706 if (error)
707 goto err_free_input_dev;
708
709 result = acpi_bus_get_power(fujitsu->acpi_handle, &state);
710 if (result) {
711 printk(KERN_ERR "Error reading power state\n");
712 goto end;
713 }
714
715 printk(KERN_INFO PREFIX "%s [%s] (%s)\n",
716 acpi_device_name(device), acpi_device_bid(device),
717 !device->power.state ? "on" : "off");
718
719 fujitsu->dev = device;
720
721 if (ACPI_SUCCESS
722 (acpi_get_handle(device->handle, METHOD_NAME__INI, &handle))) {
723 vdbg_printk(FUJLAPTOP_DBG_INFO, "Invoking _INI\n");
724 if (ACPI_FAILURE
725 (acpi_evaluate_object
726 (device->handle, METHOD_NAME__INI, NULL, NULL)))
727 printk(KERN_ERR "_INI Method failed\n");
728 }
729
730 /* do config (detect defaults) */
731 use_alt_lcd_levels = use_alt_lcd_levels == 1 ? 1 : 0;
732 disable_brightness_adjust = disable_brightness_adjust == 1 ? 1 : 0;
733 vdbg_printk(FUJLAPTOP_DBG_INFO,
734 "config: [alt interface: %d], [adjust disable: %d]\n",
735 use_alt_lcd_levels, disable_brightness_adjust);
736
737 if (get_max_brightness() <= 0)
738 fujitsu->max_brightness = FUJITSU_LCD_N_LEVELS;
739 get_lcd_level();
740
741 return result;
742
743 end:
744 err_free_input_dev:
745 input_free_device(input);
746 err_uninstall_notify:
747 acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY,
748 acpi_fujitsu_notify);
749 err_stop:
750
751 return result;
752 }
753
acpi_fujitsu_remove(struct acpi_device * device,int type)754 static int acpi_fujitsu_remove(struct acpi_device *device, int type)
755 {
756 acpi_status status;
757 struct fujitsu_t *fujitsu = NULL;
758
759 if (!device || !acpi_driver_data(device))
760 return -EINVAL;
761
762 fujitsu = acpi_driver_data(device);
763
764 status = acpi_remove_notify_handler(fujitsu->acpi_handle,
765 ACPI_DEVICE_NOTIFY,
766 acpi_fujitsu_notify);
767
768 if (!device || !acpi_driver_data(device))
769 return -EINVAL;
770
771 fujitsu->acpi_handle = NULL;
772
773 return 0;
774 }
775
776 /* Brightness notify */
777
acpi_fujitsu_notify(acpi_handle handle,u32 event,void * data)778 static void acpi_fujitsu_notify(acpi_handle handle, u32 event, void *data)
779 {
780 struct input_dev *input;
781 int keycode;
782 int oldb, newb;
783
784 input = fujitsu->input;
785
786 switch (event) {
787 case ACPI_FUJITSU_NOTIFY_CODE1:
788 keycode = 0;
789 oldb = fujitsu->brightness_level;
790 get_lcd_level();
791 newb = fujitsu->brightness_level;
792
793 vdbg_printk(FUJLAPTOP_DBG_TRACE,
794 "brightness button event [%i -> %i (%i)]\n",
795 oldb, newb, fujitsu->brightness_changed);
796
797 if (oldb < newb) {
798 if (disable_brightness_adjust != 1) {
799 if (use_alt_lcd_levels)
800 set_lcd_level_alt(newb);
801 else
802 set_lcd_level(newb);
803 }
804 acpi_bus_generate_proc_event(fujitsu->dev,
805 ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS, 0);
806 keycode = KEY_BRIGHTNESSUP;
807 } else if (oldb > newb) {
808 if (disable_brightness_adjust != 1) {
809 if (use_alt_lcd_levels)
810 set_lcd_level_alt(newb);
811 else
812 set_lcd_level(newb);
813 }
814 acpi_bus_generate_proc_event(fujitsu->dev,
815 ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS, 0);
816 keycode = KEY_BRIGHTNESSDOWN;
817 }
818 break;
819 default:
820 keycode = KEY_UNKNOWN;
821 vdbg_printk(FUJLAPTOP_DBG_WARN,
822 "unsupported event [0x%x]\n", event);
823 break;
824 }
825
826 if (keycode != 0) {
827 input_report_key(input, keycode, 1);
828 input_sync(input);
829 input_report_key(input, keycode, 0);
830 input_sync(input);
831 }
832
833 return;
834 }
835
836 /* ACPI device for hotkey handling */
837
acpi_fujitsu_hotkey_add(struct acpi_device * device)838 static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
839 {
840 acpi_status status;
841 acpi_handle handle;
842 int result = 0;
843 int state = 0;
844 struct input_dev *input;
845 int error;
846 int i;
847
848 if (!device)
849 return -EINVAL;
850
851 fujitsu_hotkey->acpi_handle = device->handle;
852 sprintf(acpi_device_name(device), "%s",
853 ACPI_FUJITSU_HOTKEY_DEVICE_NAME);
854 sprintf(acpi_device_class(device), "%s", ACPI_FUJITSU_CLASS);
855 device->driver_data = fujitsu_hotkey;
856
857 status = acpi_install_notify_handler(device->handle,
858 ACPI_DEVICE_NOTIFY,
859 acpi_fujitsu_hotkey_notify,
860 fujitsu_hotkey);
861
862 if (ACPI_FAILURE(status)) {
863 printk(KERN_ERR "Error installing notify handler\n");
864 error = -ENODEV;
865 goto err_stop;
866 }
867
868 /* kfifo */
869 spin_lock_init(&fujitsu_hotkey->fifo_lock);
870 fujitsu_hotkey->fifo =
871 kfifo_alloc(RINGBUFFERSIZE * sizeof(int), GFP_KERNEL,
872 &fujitsu_hotkey->fifo_lock);
873 if (IS_ERR(fujitsu_hotkey->fifo)) {
874 printk(KERN_ERR "kfifo_alloc failed\n");
875 error = PTR_ERR(fujitsu_hotkey->fifo);
876 goto err_stop;
877 }
878
879 fujitsu_hotkey->input = input = input_allocate_device();
880 if (!input) {
881 error = -ENOMEM;
882 goto err_uninstall_notify;
883 }
884
885 snprintf(fujitsu_hotkey->phys, sizeof(fujitsu_hotkey->phys),
886 "%s/video/input0", acpi_device_hid(device));
887
888 input->name = acpi_device_name(device);
889 input->phys = fujitsu_hotkey->phys;
890 input->id.bustype = BUS_HOST;
891 input->id.product = 0x06;
892 input->dev.parent = &device->dev;
893
894 set_bit(EV_KEY, input->evbit);
895 set_bit(fujitsu->keycode1, input->keybit);
896 set_bit(fujitsu->keycode2, input->keybit);
897 set_bit(fujitsu->keycode3, input->keybit);
898 set_bit(fujitsu->keycode4, input->keybit);
899 set_bit(KEY_UNKNOWN, input->keybit);
900
901 error = input_register_device(input);
902 if (error)
903 goto err_free_input_dev;
904
905 result = acpi_bus_get_power(fujitsu_hotkey->acpi_handle, &state);
906 if (result) {
907 printk(KERN_ERR "Error reading power state\n");
908 goto end;
909 }
910
911 printk(KERN_INFO PREFIX "%s [%s] (%s)\n",
912 acpi_device_name(device), acpi_device_bid(device),
913 !device->power.state ? "on" : "off");
914
915 fujitsu_hotkey->dev = device;
916
917 if (ACPI_SUCCESS
918 (acpi_get_handle(device->handle, METHOD_NAME__INI, &handle))) {
919 vdbg_printk(FUJLAPTOP_DBG_INFO, "Invoking _INI\n");
920 if (ACPI_FAILURE
921 (acpi_evaluate_object
922 (device->handle, METHOD_NAME__INI, NULL, NULL)))
923 printk(KERN_ERR "_INI Method failed\n");
924 }
925
926 i = 0;
927 while (call_fext_func(FUNC_BUTTONS, 0x1, 0x0, 0x0) != 0
928 && (i++) < MAX_HOTKEY_RINGBUFFER_SIZE)
929 ; /* No action, result is discarded */
930 vdbg_printk(FUJLAPTOP_DBG_INFO, "Discarded %i ringbuffer entries\n", i);
931
932 fujitsu_hotkey->rfkill_supported =
933 call_fext_func(FUNC_RFKILL, 0x0, 0x0, 0x0);
934
935 /* Make sure our bitmask of supported functions is cleared if the
936 RFKILL function block is not implemented, like on the S7020. */
937 if (fujitsu_hotkey->rfkill_supported == UNSUPPORTED_CMD)
938 fujitsu_hotkey->rfkill_supported = 0;
939
940 if (fujitsu_hotkey->rfkill_supported)
941 fujitsu_hotkey->rfkill_state =
942 call_fext_func(FUNC_RFKILL, 0x4, 0x0, 0x0);
943
944 /* Suspect this is a keymap of the application panel, print it */
945 printk(KERN_INFO "fujitsu-laptop: BTNI: [0x%x]\n",
946 call_fext_func(FUNC_BUTTONS, 0x0, 0x0, 0x0));
947
948 #ifdef CONFIG_LEDS_CLASS
949 if (call_fext_func(FUNC_LEDS, 0x0, 0x0, 0x0) & LOGOLAMP_POWERON) {
950 result = led_classdev_register(&fujitsu->pf_device->dev,
951 &logolamp_led);
952 if (result == 0) {
953 fujitsu_hotkey->logolamp_registered = 1;
954 } else {
955 printk(KERN_ERR "fujitsu-laptop: Could not register "
956 "LED handler for logo lamp, error %i\n", result);
957 }
958 }
959
960 if ((call_fext_func(FUNC_LEDS, 0x0, 0x0, 0x0) & KEYBOARD_LAMPS) &&
961 (call_fext_func(FUNC_BUTTONS, 0x0, 0x0, 0x0) == 0x0)) {
962 result = led_classdev_register(&fujitsu->pf_device->dev,
963 &kblamps_led);
964 if (result == 0) {
965 fujitsu_hotkey->kblamps_registered = 1;
966 } else {
967 printk(KERN_ERR "fujitsu-laptop: Could not register "
968 "LED handler for keyboard lamps, error %i\n", result);
969 }
970 }
971 #endif
972
973 return result;
974
975 end:
976 err_free_input_dev:
977 input_free_device(input);
978 err_uninstall_notify:
979 acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY,
980 acpi_fujitsu_hotkey_notify);
981 kfifo_free(fujitsu_hotkey->fifo);
982 err_stop:
983
984 return result;
985 }
986
acpi_fujitsu_hotkey_remove(struct acpi_device * device,int type)987 static int acpi_fujitsu_hotkey_remove(struct acpi_device *device, int type)
988 {
989 acpi_status status;
990 struct fujitsu_hotkey_t *fujitsu_hotkey = NULL;
991
992 if (!device || !acpi_driver_data(device))
993 return -EINVAL;
994
995 fujitsu_hotkey = acpi_driver_data(device);
996
997 status = acpi_remove_notify_handler(fujitsu_hotkey->acpi_handle,
998 ACPI_DEVICE_NOTIFY,
999 acpi_fujitsu_hotkey_notify);
1000
1001 fujitsu_hotkey->acpi_handle = NULL;
1002
1003 kfifo_free(fujitsu_hotkey->fifo);
1004
1005 return 0;
1006 }
1007
acpi_fujitsu_hotkey_notify(acpi_handle handle,u32 event,void * data)1008 static void acpi_fujitsu_hotkey_notify(acpi_handle handle, u32 event,
1009 void *data)
1010 {
1011 struct input_dev *input;
1012 int keycode, keycode_r;
1013 unsigned int irb = 1;
1014 int i, status;
1015
1016 input = fujitsu_hotkey->input;
1017
1018 if (fujitsu_hotkey->rfkill_supported)
1019 fujitsu_hotkey->rfkill_state =
1020 call_fext_func(FUNC_RFKILL, 0x4, 0x0, 0x0);
1021
1022 switch (event) {
1023 case ACPI_FUJITSU_NOTIFY_CODE1:
1024 i = 0;
1025 while ((irb =
1026 call_fext_func(FUNC_BUTTONS, 0x1, 0x0, 0x0)) != 0
1027 && (i++) < MAX_HOTKEY_RINGBUFFER_SIZE) {
1028 switch (irb & 0x4ff) {
1029 case KEY1_CODE:
1030 keycode = fujitsu->keycode1;
1031 break;
1032 case KEY2_CODE:
1033 keycode = fujitsu->keycode2;
1034 break;
1035 case KEY3_CODE:
1036 keycode = fujitsu->keycode3;
1037 break;
1038 case KEY4_CODE:
1039 keycode = fujitsu->keycode4;
1040 break;
1041 case 0:
1042 keycode = 0;
1043 break;
1044 default:
1045 vdbg_printk(FUJLAPTOP_DBG_WARN,
1046 "Unknown GIRB result [%x]\n", irb);
1047 keycode = -1;
1048 break;
1049 }
1050 if (keycode > 0) {
1051 vdbg_printk(FUJLAPTOP_DBG_TRACE,
1052 "Push keycode into ringbuffer [%d]\n",
1053 keycode);
1054 status = kfifo_put(fujitsu_hotkey->fifo,
1055 (unsigned char *)&keycode,
1056 sizeof(keycode));
1057 if (status != sizeof(keycode)) {
1058 vdbg_printk(FUJLAPTOP_DBG_WARN,
1059 "Could not push keycode [0x%x]\n",
1060 keycode);
1061 } else {
1062 input_report_key(input, keycode, 1);
1063 input_sync(input);
1064 }
1065 } else if (keycode == 0) {
1066 while ((status =
1067 kfifo_get
1068 (fujitsu_hotkey->fifo, (unsigned char *)
1069 &keycode_r,
1070 sizeof
1071 (keycode_r))) == sizeof(keycode_r)) {
1072 input_report_key(input, keycode_r, 0);
1073 input_sync(input);
1074 vdbg_printk(FUJLAPTOP_DBG_TRACE,
1075 "Pop keycode from ringbuffer [%d]\n",
1076 keycode_r);
1077 }
1078 }
1079 }
1080
1081 break;
1082 default:
1083 keycode = KEY_UNKNOWN;
1084 vdbg_printk(FUJLAPTOP_DBG_WARN,
1085 "Unsupported event [0x%x]\n", event);
1086 input_report_key(input, keycode, 1);
1087 input_sync(input);
1088 input_report_key(input, keycode, 0);
1089 input_sync(input);
1090 break;
1091 }
1092
1093 return;
1094 }
1095
1096 /* Initialization */
1097
1098 static const struct acpi_device_id fujitsu_device_ids[] = {
1099 {ACPI_FUJITSU_HID, 0},
1100 {"", 0},
1101 };
1102
1103 static struct acpi_driver acpi_fujitsu_driver = {
1104 .name = ACPI_FUJITSU_DRIVER_NAME,
1105 .class = ACPI_FUJITSU_CLASS,
1106 .ids = fujitsu_device_ids,
1107 .ops = {
1108 .add = acpi_fujitsu_add,
1109 .remove = acpi_fujitsu_remove,
1110 },
1111 };
1112
1113 static const struct acpi_device_id fujitsu_hotkey_device_ids[] = {
1114 {ACPI_FUJITSU_HOTKEY_HID, 0},
1115 {"", 0},
1116 };
1117
1118 static struct acpi_driver acpi_fujitsu_hotkey_driver = {
1119 .name = ACPI_FUJITSU_HOTKEY_DRIVER_NAME,
1120 .class = ACPI_FUJITSU_CLASS,
1121 .ids = fujitsu_hotkey_device_ids,
1122 .ops = {
1123 .add = acpi_fujitsu_hotkey_add,
1124 .remove = acpi_fujitsu_hotkey_remove,
1125 },
1126 };
1127
fujitsu_init(void)1128 static int __init fujitsu_init(void)
1129 {
1130 int ret, result, max_brightness;
1131
1132 if (acpi_disabled)
1133 return -ENODEV;
1134
1135 fujitsu = kmalloc(sizeof(struct fujitsu_t), GFP_KERNEL);
1136 if (!fujitsu)
1137 return -ENOMEM;
1138 memset(fujitsu, 0, sizeof(struct fujitsu_t));
1139 fujitsu->keycode1 = KEY_PROG1;
1140 fujitsu->keycode2 = KEY_PROG2;
1141 fujitsu->keycode3 = KEY_PROG3;
1142 fujitsu->keycode4 = KEY_PROG4;
1143 dmi_check_system(fujitsu_dmi_table);
1144
1145 result = acpi_bus_register_driver(&acpi_fujitsu_driver);
1146 if (result < 0) {
1147 ret = -ENODEV;
1148 goto fail_acpi;
1149 }
1150
1151 /* Register platform stuff */
1152
1153 fujitsu->pf_device = platform_device_alloc("fujitsu-laptop", -1);
1154 if (!fujitsu->pf_device) {
1155 ret = -ENOMEM;
1156 goto fail_platform_driver;
1157 }
1158
1159 ret = platform_device_add(fujitsu->pf_device);
1160 if (ret)
1161 goto fail_platform_device1;
1162
1163 ret =
1164 sysfs_create_group(&fujitsu->pf_device->dev.kobj,
1165 &fujitsupf_attribute_group);
1166 if (ret)
1167 goto fail_platform_device2;
1168
1169 /* Register backlight stuff */
1170
1171 if (!acpi_video_backlight_support()) {
1172 fujitsu->bl_device =
1173 backlight_device_register("fujitsu-laptop", NULL, NULL,
1174 &fujitsubl_ops);
1175 if (IS_ERR(fujitsu->bl_device))
1176 return PTR_ERR(fujitsu->bl_device);
1177 max_brightness = fujitsu->max_brightness;
1178 fujitsu->bl_device->props.max_brightness = max_brightness - 1;
1179 fujitsu->bl_device->props.brightness = fujitsu->brightness_level;
1180 }
1181
1182 ret = platform_driver_register(&fujitsupf_driver);
1183 if (ret)
1184 goto fail_backlight;
1185
1186 /* Register hotkey driver */
1187
1188 fujitsu_hotkey = kmalloc(sizeof(struct fujitsu_hotkey_t), GFP_KERNEL);
1189 if (!fujitsu_hotkey) {
1190 ret = -ENOMEM;
1191 goto fail_hotkey;
1192 }
1193 memset(fujitsu_hotkey, 0, sizeof(struct fujitsu_hotkey_t));
1194
1195 result = acpi_bus_register_driver(&acpi_fujitsu_hotkey_driver);
1196 if (result < 0) {
1197 ret = -ENODEV;
1198 goto fail_hotkey1;
1199 }
1200
1201 /* Sync backlight power status (needs FUJ02E3 device, hence deferred) */
1202
1203 if (!acpi_video_backlight_support()) {
1204 if (call_fext_func(FUNC_BACKLIGHT, 0x2, 0x4, 0x0) == 3)
1205 fujitsu->bl_device->props.power = 4;
1206 else
1207 fujitsu->bl_device->props.power = 0;
1208 }
1209
1210 printk(KERN_INFO "fujitsu-laptop: driver " FUJITSU_DRIVER_VERSION
1211 " successfully loaded.\n");
1212
1213 return 0;
1214
1215 fail_hotkey1:
1216
1217 kfree(fujitsu_hotkey);
1218
1219 fail_hotkey:
1220
1221 platform_driver_unregister(&fujitsupf_driver);
1222
1223 fail_backlight:
1224
1225 if (fujitsu->bl_device)
1226 backlight_device_unregister(fujitsu->bl_device);
1227
1228 fail_platform_device2:
1229
1230 platform_device_del(fujitsu->pf_device);
1231
1232 fail_platform_device1:
1233
1234 platform_device_put(fujitsu->pf_device);
1235
1236 fail_platform_driver:
1237
1238 acpi_bus_unregister_driver(&acpi_fujitsu_driver);
1239
1240 fail_acpi:
1241
1242 kfree(fujitsu);
1243
1244 return ret;
1245 }
1246
fujitsu_cleanup(void)1247 static void __exit fujitsu_cleanup(void)
1248 {
1249 #ifdef CONFIG_LEDS_CLASS
1250 if (fujitsu_hotkey->logolamp_registered != 0)
1251 led_classdev_unregister(&logolamp_led);
1252
1253 if (fujitsu_hotkey->kblamps_registered != 0)
1254 led_classdev_unregister(&kblamps_led);
1255 #endif
1256
1257 sysfs_remove_group(&fujitsu->pf_device->dev.kobj,
1258 &fujitsupf_attribute_group);
1259 platform_device_unregister(fujitsu->pf_device);
1260 platform_driver_unregister(&fujitsupf_driver);
1261 if (fujitsu->bl_device)
1262 backlight_device_unregister(fujitsu->bl_device);
1263
1264 acpi_bus_unregister_driver(&acpi_fujitsu_driver);
1265
1266 kfree(fujitsu);
1267
1268 acpi_bus_unregister_driver(&acpi_fujitsu_hotkey_driver);
1269
1270 kfree(fujitsu_hotkey);
1271
1272 printk(KERN_INFO "fujitsu-laptop: driver unloaded.\n");
1273 }
1274
1275 module_init(fujitsu_init);
1276 module_exit(fujitsu_cleanup);
1277
1278 module_param(use_alt_lcd_levels, uint, 0644);
1279 MODULE_PARM_DESC(use_alt_lcd_levels,
1280 "Use alternative interface for lcd_levels (needed for Lifebook s6410).");
1281 module_param(disable_brightness_adjust, uint, 0644);
1282 MODULE_PARM_DESC(disable_brightness_adjust, "Disable brightness adjustment .");
1283 #ifdef CONFIG_FUJITSU_LAPTOP_DEBUG
1284 module_param_named(debug, dbg_level, uint, 0644);
1285 MODULE_PARM_DESC(debug, "Sets debug level bit-mask");
1286 #endif
1287
1288 MODULE_AUTHOR("Jonathan Woithe, Peter Gruber, Tony Vroon");
1289 MODULE_DESCRIPTION("Fujitsu laptop extras support");
1290 MODULE_VERSION(FUJITSU_DRIVER_VERSION);
1291 MODULE_LICENSE("GPL");
1292
1293 MODULE_ALIAS("dmi:*:svnFUJITSUSIEMENS:*:pvr:rvnFUJITSU:rnFJNB1D3:*:cvrS6410:*");
1294 MODULE_ALIAS("dmi:*:svnFUJITSUSIEMENS:*:pvr:rvnFUJITSU:rnFJNB1E6:*:cvrS6420:*");
1295 MODULE_ALIAS("dmi:*:svnFUJITSU:*:pvr:rvnFUJITSU:rnFJNB19C:*:cvrS7020:*");
1296
1297 static struct pnp_device_id pnp_ids[] = {
1298 {.id = "FUJ02bf"},
1299 {.id = "FUJ02B1"},
1300 {.id = "FUJ02E3"},
1301 {.id = ""}
1302 };
1303
1304 MODULE_DEVICE_TABLE(pnp, pnp_ids);
1305