projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Merge tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso...
[deliverable/linux.git] / drivers / platform / x86 / compal-laptop.c
CommitLineData
5411552c
CJ		 1/*-*-linux-c-*-*/
2
3/*
4 Copyright (C) 2008 Cezary Jackiewicz <cezary.jackiewicz (at) gmail.com>
5
6 based on MSI driver
7
8 Copyright (C) 2006 Lennart Poettering <mzxreary (at) 0pointer (dot) de>
9
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
14
15 This program is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
23 02110-1301, USA.
24 */
25
26/*
9be0fcb5
RF		 27 * compal-laptop.c - Compal laptop support.
28 *
29 * This driver exports a few files in /sys/devices/platform/compal-laptop/:
30 * wake_up_XXX Whether or not we listen to such wake up events (rw)
31 *
32 * In addition to these platform device attributes the driver
33 * registers itself in the Linux backlight control, power_supply, rfkill
34 * and hwmon subsystem and is available to userspace under:
35 *
36 * /sys/class/backlight/compal-laptop/
37 * /sys/class/power_supply/compal-laptop/
38 * /sys/class/rfkill/rfkillX/
39 * /sys/class/hwmon/hwmonX/
40 *
41 * Notes on the power_supply battery interface:
42 * - the "minimum" design voltage is *the* design voltage
43 * - the ambient temperature is the average battery temperature
44 * and the value is an educated guess (see commented code below)
5411552c 45 *
5411552c
CJ		 46 *
47 * This driver might work on other laptops produced by Compal. If you
48 * want to try it you can pass force=1 as argument to the module which
49 * will force it to load even when the DMI data doesn't identify the
9be0fcb5
RF		 50 * laptop as compatible.
51 *
52 * Lots of data available at:
53 * http://service1.marasst.com/Compal/JHL90_91/Service%20Manual/
54 * JHL90%20service%20manual-Final-0725.pdf
55 *
56 *
57 *
58 * Support for the Compal JHL90 added by Roald Frederickx
59 * (roald.frederickx@gmail.com):
60 * Driver got large revision. Added functionalities: backlight
61 * power, wake_on_XXX, a hwmon and power_supply interface.
62 *
63 * In case this gets merged into the kernel source: I want to dedicate this
64 * to Kasper Meerts, the awesome guy who showed me Linux and C!
5411552c
CJ		 65 */
66
9be0fcb5
RF		 67/* NOTE: currently the wake_on_XXX, hwmon and power_supply interfaces are
68 * only enabled on a JHL90 board until it is verified that they work on the
69 * other boards too. See the extra_features variable. */
70
b4a4bc0b
JP		 71#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
72
5411552c
CJ		 73#include <linux/module.h>
74#include <linux/kernel.h>
75#include <linux/init.h>
76#include <linux/acpi.h>
77#include <linux/dmi.h>
78#include <linux/backlight.h>
79#include <linux/platform_device.h>
493e9143 80#include <linux/rfkill.h>
9be0fcb5
RF		 81#include <linux/hwmon.h>
82#include <linux/hwmon-sysfs.h>
83#include <linux/power_supply.h>
84#include <linux/fb.h>
358fefe7 85#include <acpi/video.h>
9be0fcb5
RF		 86
87/* ======= */
88/* Defines */
89/* ======= */
90#define DRIVER_NAME "compal-laptop"
91#define DRIVER_VERSION "0.2.7"
92
93#define BACKLIGHT_LEVEL_ADDR 0xB9
94#define BACKLIGHT_LEVEL_MAX 7
95#define BACKLIGHT_STATE_ADDR 0x59
96#define BACKLIGHT_STATE_ON_DATA 0xE1
97#define BACKLIGHT_STATE_OFF_DATA 0xE2
98
99#define WAKE_UP_ADDR 0xA4
100#define WAKE_UP_PME (1 << 0)
101#define WAKE_UP_MODEM (1 << 1)
102#define WAKE_UP_LAN (1 << 2)
103#define WAKE_UP_WLAN (1 << 4)
104#define WAKE_UP_KEY (1 << 6)
105#define WAKE_UP_MOUSE (1 << 7)
106
107#define WIRELESS_ADDR 0xBB
108#define WIRELESS_WLAN (1 << 0)
109#define WIRELESS_BT (1 << 1)
110#define WIRELESS_WLAN_EXISTS (1 << 2)
111#define WIRELESS_BT_EXISTS (1 << 3)
112#define WIRELESS_KILLSWITCH (1 << 4)
113
114#define PWM_ADDRESS 0x46
115#define PWM_DISABLE_ADDR 0x59
116#define PWM_DISABLE_DATA 0xA5
117#define PWM_ENABLE_ADDR 0x59
118#define PWM_ENABLE_DATA 0xA8
119
120#define FAN_ADDRESS 0x46
121#define FAN_DATA 0x81
122#define FAN_FULL_ON_CMD 0x59 /* Doesn't seem to work. Just */
123#define FAN_FULL_ON_ENABLE 0x76 /* force the pwm signal to its */
124#define FAN_FULL_ON_DISABLE 0x77 /* maximum value instead */
125
126#define TEMP_CPU 0xB0
127#define TEMP_CPU_LOCAL 0xB1
128#define TEMP_CPU_DTS 0xB5
129#define TEMP_NORTHBRIDGE 0xB6
130#define TEMP_VGA 0xB4
131#define TEMP_SKIN 0xB2
132
133#define BAT_MANUFACTURER_NAME_ADDR 0x10
134#define BAT_MANUFACTURER_NAME_LEN 9
135#define BAT_MODEL_NAME_ADDR 0x19
136#define BAT_MODEL_NAME_LEN 6
137#define BAT_SERIAL_NUMBER_ADDR 0xC4
138#define BAT_SERIAL_NUMBER_LEN 5
139#define BAT_CHARGE_NOW 0xC2
140#define BAT_CHARGE_DESIGN 0xCA
141#define BAT_VOLTAGE_NOW 0xC6
142#define BAT_VOLTAGE_DESIGN 0xC8
143#define BAT_CURRENT_NOW 0xD0
144#define BAT_CURRENT_AVG 0xD2
145#define BAT_POWER 0xD4
146#define BAT_CAPACITY 0xCE
147#define BAT_TEMP 0xD6
148#define BAT_TEMP_AVG 0xD7
149#define BAT_STATUS0 0xC1
150#define BAT_STATUS1 0xF0
151#define BAT_STATUS2 0xF1
152#define BAT_STOP_CHARGE1 0xF2
153#define BAT_STOP_CHARGE2 0xF3
d9a427ec
RF		 154#define BAT_CHARGE_LIMIT 0x03
155#define BAT_CHARGE_LIMIT_MAX 100
9be0fcb5
RF		 156
157#define BAT_S0_DISCHARGE (1 << 0)
158#define BAT_S0_DISCHRG_CRITICAL (1 << 2)
159#define BAT_S0_LOW (1 << 3)
160#define BAT_S0_CHARGING (1 << 1)
161#define BAT_S0_AC (1 << 7)
162#define BAT_S1_EXISTS (1 << 0)
163#define BAT_S1_FULL (1 << 1)
164#define BAT_S1_EMPTY (1 << 2)
165#define BAT_S1_LiION_OR_NiMH (1 << 7)
166#define BAT_S2_LOW_LOW (1 << 0)
167#define BAT_STOP_CHRG1_BAD_CELL (1 << 1)
168#define BAT_STOP_CHRG1_COMM_FAIL (1 << 2)
169#define BAT_STOP_CHRG1_OVERVOLTAGE (1 << 6)
170#define BAT_STOP_CHRG1_OVERTEMPERATURE (1 << 7)
171
172
173/* ======= */
174/* Structs */
175/* ======= */
176struct compal_data{
177 /* Fan control */
c2be45f0 178 int pwm_enable; /* 0:full on, 1:set by pwm1, 2:control by motherboard */
9be0fcb5
RF		 179 unsigned char curr_pwm;
180
181 /* Power supply */
297d716f 182 struct power_supply *psy;
9be0fcb5
RF		 183 struct power_supply_info psy_info;
184 char bat_model_name[BAT_MODEL_NAME_LEN + 1];
185 char bat_manufacturer_name[BAT_MANUFACTURER_NAME_LEN + 1];
186 char bat_serial_number[BAT_SERIAL_NUMBER_LEN + 1];
187};
5411552c 188
5411552c 189
9be0fcb5
RF		 190/* =============== */
191/* General globals */
192/* =============== */
90ab5ee9 193static bool force;
9be0fcb5
RF		 194module_param(force, bool, 0);
195MODULE_PARM_DESC(force, "Force driver load, ignore DMI data");
5411552c 196
9be0fcb5
RF		 197/* Support for the wake_on_XXX, hwmon and power_supply interface. Currently
198 * only gets enabled on a JHL90 board. Might work with the others too */
199static bool extra_features;
200
201/* Nasty stuff. For some reason the fan control is very un-linear. I've
202 * come up with these values by looping through the possible inputs and
203 * watching the output of address 0x4F (do an ec_transaction writing 0x33
204 * into 0x4F and read a few bytes from the output, like so:
205 * u8 writeData = 0x33;
1cb7b1e0 206 * ec_transaction(0x4F, &writeData, 1, buffer, 32);
751516f0 207 * That address is labeled "fan1 table information" in the service manual.
9be0fcb5
RF		 208 * It should be clear which value in 'buffer' changes). This seems to be
209 * related to fan speed. It isn't a proper 'realtime' fan speed value
210 * though, because physically stopping or speeding up the fan doesn't
211 * change it. It might be the average voltage or current of the pwm output.
212 * Nevertheless, it is more fine-grained than the actual RPM reading */
213static const unsigned char pwm_lookup_table[256] = {
214 0, 0, 0, 1, 1, 1, 2, 253, 254, 3, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6,
215 7, 7, 7, 8, 86, 86, 9, 9, 9, 10, 10, 10, 11, 92, 92, 12, 12, 95,
216 13, 66, 66, 14, 14, 98, 15, 15, 15, 16, 16, 67, 17, 17, 72, 18, 70,
217 75, 19, 90, 90, 73, 73, 73, 21, 21, 91, 91, 91, 96, 23, 94, 94, 94,
218 94, 94, 94, 94, 94, 94, 94, 141, 141, 238, 223, 192, 139, 139, 139,
219 139, 139, 142, 142, 142, 142, 142, 78, 78, 78, 78, 78, 76, 76, 76,
220 76, 76, 79, 79, 79, 79, 79, 79, 79, 20, 20, 20, 20, 20, 22, 22, 22,
221 22, 22, 24, 24, 24, 24, 24, 24, 219, 219, 219, 219, 219, 219, 219,
222 219, 27, 27, 188, 188, 28, 28, 28, 29, 186, 186, 186, 186, 186,
223 186, 186, 186, 186, 186, 31, 31, 31, 31, 31, 32, 32, 32, 41, 33,
224 33, 33, 33, 33, 252, 252, 34, 34, 34, 43, 35, 35, 35, 36, 36, 38,
225 206, 206, 206, 206, 206, 206, 206, 206, 206, 37, 37, 37, 46, 46,
226 47, 47, 232, 232, 232, 232, 232, 232, 232, 232, 232, 232, 48, 48,
227 48, 48, 48, 40, 40, 40, 49, 42, 42, 42, 42, 42, 42, 42, 42, 44,
228 189, 189, 189, 189, 54, 54, 45, 45, 45, 45, 45, 45, 45, 45, 251,
229 191, 199, 199, 199, 199, 199, 215, 215, 215, 215, 187, 187, 187,
230 187, 187, 193, 50
231};
5411552c 232
5411552c 233
493e9143 234
5411552c 235
9be0fcb5
RF		 236/* ========================= */
237/* Hardware access functions */
238/* ========================= */
239/* General access */
240static u8 ec_read_u8(u8 addr)
241{
242 u8 value;
243 ec_read(addr, &value);
244 return value;
245}
246
247static s8 ec_read_s8(u8 addr)
248{
249 return (s8)ec_read_u8(addr);
250}
251
252static u16 ec_read_u16(u8 addr)
253{
254 int hi, lo;
255 lo = ec_read_u8(addr);
256 hi = ec_read_u8(addr + 1);
257 return (hi << 8) + lo;
258}
259
260static s16 ec_read_s16(u8 addr)
261{
262 return (s16) ec_read_u16(addr);
263}
5411552c 264
9be0fcb5 265static void ec_read_sequence(u8 addr, u8 *buf, int len)
5411552c 266{
9be0fcb5
RF		 267 int i;
268 for (i = 0; i < len; i++)
269 ec_read(addr + i, buf + i);
270}
271
272
273/* Backlight access */
274static int set_backlight_level(int level)
275{
276 if (level < 0 || level > BACKLIGHT_LEVEL_MAX)
5411552c
CJ		 277 return -EINVAL;
278
9be0fcb5 279 ec_write(BACKLIGHT_LEVEL_ADDR, level);
5411552c 280
0e4510f7 281 return 0;
5411552c
CJ		 282}
283
9be0fcb5
RF		 284static int get_backlight_level(void)
285{
286 return (int) ec_read_u8(BACKLIGHT_LEVEL_ADDR);
287}
288
289static void set_backlight_state(bool on)
290{
291 u8 data = on ? BACKLIGHT_STATE_ON_DATA : BACKLIGHT_STATE_OFF_DATA;
1cb7b1e0 292 ec_transaction(BACKLIGHT_STATE_ADDR, &data, 1, NULL, 0);
9be0fcb5
RF		 293}
294
295
296/* Fan control access */
297static void pwm_enable_control(void)
298{
299 unsigned char writeData = PWM_ENABLE_DATA;
1cb7b1e0 300 ec_transaction(PWM_ENABLE_ADDR, &writeData, 1, NULL, 0);
9be0fcb5
RF		 301}
302
303static void pwm_disable_control(void)
5411552c 304{
9be0fcb5 305 unsigned char writeData = PWM_DISABLE_DATA;
1cb7b1e0 306 ec_transaction(PWM_DISABLE_ADDR, &writeData, 1, NULL, 0);
9be0fcb5 307}
5411552c 308
9be0fcb5
RF		 309static void set_pwm(int pwm)
310{
1cb7b1e0 311 ec_transaction(PWM_ADDRESS, &pwm_lookup_table[pwm], 1, NULL, 0);
9be0fcb5
RF		 312}
313
314static int get_fan_rpm(void)
315{
316 u8 value, data = FAN_DATA;
1cb7b1e0 317 ec_transaction(FAN_ADDRESS, &data, 1, &value, 1);
9be0fcb5
RF		 318 return 100 * (int)value;
319}
320
321
322
323
324/* =================== */
325/* Interface functions */
326/* =================== */
327
328/* Backlight interface */
329static int bl_get_brightness(struct backlight_device *b)
330{
331 return get_backlight_level();
332}
333
334static int bl_update_status(struct backlight_device *b)
335{
336 int ret = set_backlight_level(b->props.brightness);
337 if (ret)
338 return ret;
5411552c 339
9be0fcb5
RF		 340 set_backlight_state((b->props.power == FB_BLANK_UNBLANK)
341 && !(b->props.state & BL_CORE_SUSPENDED)
342 && !(b->props.state & BL_CORE_FBBLANK));
343 return 0;
5411552c
CJ		 344}
345
9be0fcb5
RF		 346static const struct backlight_ops compalbl_ops = {
347 .get_brightness = bl_get_brightness,
348 .update_status = bl_update_status,
349};
350
351
352/* Wireless interface */
493e9143 353static int compal_rfkill_set(void *data, bool blocked)
5411552c 354{
493e9143 355 unsigned long radio = (unsigned long) data;
9be0fcb5
RF		 356 u8 result = ec_read_u8(WIRELESS_ADDR);
357 u8 value;
5411552c 358
493e9143
ML		 359 if (!blocked)
360 value = (u8) (result | radio);
361 else
362 value = (u8) (result & ~radio);
9be0fcb5 363 ec_write(WIRELESS_ADDR, value);
5411552c
CJ		 364
365 return 0;
366}
367
493e9143 368static void compal_rfkill_poll(struct rfkill *rfkill, void *data)
5411552c 369{
9be0fcb5
RF		 370 u8 result = ec_read_u8(WIRELESS_ADDR);
371 bool hw_blocked = !(result & WIRELESS_KILLSWITCH);
493e9143 372 rfkill_set_hw_state(rfkill, hw_blocked);
5411552c
CJ		 373}
374
493e9143
ML		 375static const struct rfkill_ops compal_rfkill_ops = {
376 .poll = compal_rfkill_poll,
377 .set_block = compal_rfkill_set,
378};
379
9be0fcb5
RF		 380
381/* Wake_up interface */
382#define SIMPLE_MASKED_STORE_SHOW(NAME, ADDR, MASK) \
383static ssize_t NAME##_show(struct device *dev, \
384 struct device_attribute *attr, char *buf) \
385{ \
386 return sprintf(buf, "%d\n", ((ec_read_u8(ADDR) & MASK) != 0)); \
387} \
388static ssize_t NAME##_store(struct device *dev, \
389 struct device_attribute *attr, const char *buf, size_t count) \
390{ \
391 int state; \
392 u8 old_val = ec_read_u8(ADDR); \
393 if (sscanf(buf, "%d", &state) != 1 || (state < 0 || state > 1)) \
394 return -EINVAL; \
395 ec_write(ADDR, state ? (old_val | MASK) : (old_val & ~MASK)); \
396 return count; \
397}
398
399SIMPLE_MASKED_STORE_SHOW(wake_up_pme, WAKE_UP_ADDR, WAKE_UP_PME)
400SIMPLE_MASKED_STORE_SHOW(wake_up_modem, WAKE_UP_ADDR, WAKE_UP_MODEM)
401SIMPLE_MASKED_STORE_SHOW(wake_up_lan, WAKE_UP_ADDR, WAKE_UP_LAN)
402SIMPLE_MASKED_STORE_SHOW(wake_up_wlan, WAKE_UP_ADDR, WAKE_UP_WLAN)
403SIMPLE_MASKED_STORE_SHOW(wake_up_key, WAKE_UP_ADDR, WAKE_UP_KEY)
404SIMPLE_MASKED_STORE_SHOW(wake_up_mouse, WAKE_UP_ADDR, WAKE_UP_MOUSE)
405
9be0fcb5
RF		 406/* Fan control interface */
407static ssize_t pwm_enable_show(struct device *dev,
408 struct device_attribute *attr, char *buf)
409{
410 struct compal_data *data = dev_get_drvdata(dev);
411 return sprintf(buf, "%d\n", data->pwm_enable);
412}
5411552c 413
9be0fcb5
RF		 414static ssize_t pwm_enable_store(struct device *dev,
415 struct device_attribute *attr, const char *buf, size_t count)
416{
417 struct compal_data *data = dev_get_drvdata(dev);
418 long val;
419 int err;
0db7fd96
JH		 420
421 err = kstrtol(buf, 10, &val);
9be0fcb5
RF		 422 if (err)
423 return err;
424 if (val < 0)
425 return -EINVAL;
426
427 data->pwm_enable = val;
428
429 switch (val) {
430 case 0: /* Full speed */
431 pwm_enable_control();
432 set_pwm(255);
433 break;
434 case 1: /* As set by pwm1 */
435 pwm_enable_control();
436 set_pwm(data->curr_pwm);
437 break;
438 default: /* Control by motherboard */
439 pwm_disable_control();
440 break;
5411552c
CJ		 441 }
442
9be0fcb5
RF		 443 return count;
444}
493e9143 445
9be0fcb5
RF		 446static ssize_t pwm_show(struct device *dev, struct device_attribute *attr,
447 char *buf)
448{
449 struct compal_data *data = dev_get_drvdata(dev);
450 return sprintf(buf, "%hhu\n", data->curr_pwm);
451}
493e9143 452
9be0fcb5
RF		 453static ssize_t pwm_store(struct device *dev, struct device_attribute *attr,
454 const char *buf, size_t count)
455{
456 struct compal_data *data = dev_get_drvdata(dev);
457 long val;
458 int err;
0db7fd96
JH		 459
460 err = kstrtol(buf, 10, &val);
9be0fcb5
RF		 461 if (err)
462 return err;
463 if (val < 0 || val > 255)
464 return -EINVAL;
493e9143 465
9be0fcb5 466 data->curr_pwm = val;
493e9143 467
9be0fcb5
RF		 468 if (data->pwm_enable != 1)
469 return count;
470 set_pwm(val);
471
472 return count;
5411552c
CJ		 473}
474
9be0fcb5
RF		 475static ssize_t fan_show(struct device *dev, struct device_attribute *attr,
476 char *buf)
477{
478 return sprintf(buf, "%d\n", get_fan_rpm());
479}
5411552c 480
9be0fcb5
RF		 481
482/* Temperature interface */
483#define TEMPERATURE_SHOW_TEMP_AND_LABEL(POSTFIX, ADDRESS, LABEL) \
484static ssize_t temp_##POSTFIX(struct device *dev, \
485 struct device_attribute *attr, char *buf) \
486{ \
487 return sprintf(buf, "%d\n", 1000 * (int)ec_read_s8(ADDRESS)); \
488} \
489static ssize_t label_##POSTFIX(struct device *dev, \
490 struct device_attribute *attr, char *buf) \
491{ \
492 return sprintf(buf, "%s\n", LABEL); \
493}
494
495/* Labels as in service guide */
496TEMPERATURE_SHOW_TEMP_AND_LABEL(cpu, TEMP_CPU, "CPU_TEMP");
497TEMPERATURE_SHOW_TEMP_AND_LABEL(cpu_local, TEMP_CPU_LOCAL, "CPU_TEMP_LOCAL");
498TEMPERATURE_SHOW_TEMP_AND_LABEL(cpu_DTS, TEMP_CPU_DTS, "CPU_DTS");
499TEMPERATURE_SHOW_TEMP_AND_LABEL(northbridge,TEMP_NORTHBRIDGE,"NorthBridge");
500TEMPERATURE_SHOW_TEMP_AND_LABEL(vga, TEMP_VGA, "VGA_TEMP");
501TEMPERATURE_SHOW_TEMP_AND_LABEL(SKIN, TEMP_SKIN, "SKIN_TEMP90");
502
503
504/* Power supply interface */
505static int bat_status(void)
5411552c 506{
9be0fcb5
RF		 507 u8 status0 = ec_read_u8(BAT_STATUS0);
508 u8 status1 = ec_read_u8(BAT_STATUS1);
509
510 if (status0 & BAT_S0_CHARGING)
511 return POWER_SUPPLY_STATUS_CHARGING;
512 if (status0 & BAT_S0_DISCHARGE)
513 return POWER_SUPPLY_STATUS_DISCHARGING;
514 if (status1 & BAT_S1_FULL)
515 return POWER_SUPPLY_STATUS_FULL;
516 return POWER_SUPPLY_STATUS_NOT_CHARGING;
5411552c
CJ		 517}
518
9be0fcb5
RF		 519static int bat_health(void)
520{
521 u8 status = ec_read_u8(BAT_STOP_CHARGE1);
522
523 if (status & BAT_STOP_CHRG1_OVERTEMPERATURE)
524 return POWER_SUPPLY_HEALTH_OVERHEAT;
525 if (status & BAT_STOP_CHRG1_OVERVOLTAGE)
526 return POWER_SUPPLY_HEALTH_OVERVOLTAGE;
527 if (status & BAT_STOP_CHRG1_BAD_CELL)
528 return POWER_SUPPLY_HEALTH_DEAD;
529 if (status & BAT_STOP_CHRG1_COMM_FAIL)
530 return POWER_SUPPLY_HEALTH_UNKNOWN;
531 return POWER_SUPPLY_HEALTH_GOOD;
532}
5411552c 533
9be0fcb5 534static int bat_is_present(void)
5411552c 535{
9be0fcb5
RF		 536 u8 status = ec_read_u8(BAT_STATUS2);
537 return ((status & BAT_S1_EXISTS) != 0);
538}
539
540static int bat_technology(void)
541{
542 u8 status = ec_read_u8(BAT_STATUS1);
543
544 if (status & BAT_S1_LiION_OR_NiMH)
545 return POWER_SUPPLY_TECHNOLOGY_LION;
546 return POWER_SUPPLY_TECHNOLOGY_NiMH;
547}
548
549static int bat_capacity_level(void)
550{
551 u8 status0 = ec_read_u8(BAT_STATUS0);
552 u8 status1 = ec_read_u8(BAT_STATUS1);
553 u8 status2 = ec_read_u8(BAT_STATUS2);
554
555 if (status0 & BAT_S0_DISCHRG_CRITICAL
556 || status1 & BAT_S1_EMPTY
557 || status2 & BAT_S2_LOW_LOW)
558 return POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL;
559 if (status0 & BAT_S0_LOW)
560 return POWER_SUPPLY_CAPACITY_LEVEL_LOW;
561 if (status1 & BAT_S1_FULL)
562 return POWER_SUPPLY_CAPACITY_LEVEL_FULL;
563 return POWER_SUPPLY_CAPACITY_LEVEL_NORMAL;
564}
565
566static int bat_get_property(struct power_supply *psy,
567 enum power_supply_property psp,
568 union power_supply_propval *val)
569{
297d716f 570 struct compal_data *data = power_supply_get_drvdata(psy);
9be0fcb5
RF		 571
572 switch (psp) {
573 case POWER_SUPPLY_PROP_STATUS:
574 val->intval = bat_status();
575 break;
576 case POWER_SUPPLY_PROP_HEALTH:
577 val->intval = bat_health();
578 break;
579 case POWER_SUPPLY_PROP_PRESENT:
580 val->intval = bat_is_present();
581 break;
582 case POWER_SUPPLY_PROP_TECHNOLOGY:
583 val->intval = bat_technology();
584 break;
585 case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: /* THE design voltage... */
586 val->intval = ec_read_u16(BAT_VOLTAGE_DESIGN) * 1000;
587 break;
588 case POWER_SUPPLY_PROP_VOLTAGE_NOW:
589 val->intval = ec_read_u16(BAT_VOLTAGE_NOW) * 1000;
590 break;
591 case POWER_SUPPLY_PROP_CURRENT_NOW:
592 val->intval = ec_read_s16(BAT_CURRENT_NOW) * 1000;
593 break;
594 case POWER_SUPPLY_PROP_CURRENT_AVG:
595 val->intval = ec_read_s16(BAT_CURRENT_AVG) * 1000;
596 break;
597 case POWER_SUPPLY_PROP_POWER_NOW:
598 val->intval = ec_read_u8(BAT_POWER) * 1000000;
599 break;
600 case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
601 val->intval = ec_read_u16(BAT_CHARGE_DESIGN) * 1000;
602 break;
603 case POWER_SUPPLY_PROP_CHARGE_NOW:
604 val->intval = ec_read_u16(BAT_CHARGE_NOW) * 1000;
605 break;
d9a427ec
RF		 606 case POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT:
607 val->intval = ec_read_u8(BAT_CHARGE_LIMIT);
608 break;
609 case POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT_MAX:
610 val->intval = BAT_CHARGE_LIMIT_MAX;
611 break;
9be0fcb5
RF		 612 case POWER_SUPPLY_PROP_CAPACITY:
613 val->intval = ec_read_u8(BAT_CAPACITY);
614 break;
615 case POWER_SUPPLY_PROP_CAPACITY_LEVEL:
616 val->intval = bat_capacity_level();
617 break;
618 /* It smees that BAT_TEMP_AVG is a (2's complement?) value showing
619 * the number of degrees, whereas BAT_TEMP is somewhat more
620 * complicated. It looks like this is a negative nember with a
621 * 100/256 divider and an offset of 222. Both were determined
622 * experimentally by comparing BAT_TEMP and BAT_TEMP_AVG. */
623 case POWER_SUPPLY_PROP_TEMP:
624 val->intval = ((222 - (int)ec_read_u8(BAT_TEMP)) * 1000) >> 8;
625 break;
626 case POWER_SUPPLY_PROP_TEMP_AMBIENT: /* Ambient, Avg, ... same thing */
627 val->intval = ec_read_s8(BAT_TEMP_AVG) * 10;
628 break;
629 /* Neither the model name nor manufacturer name work for me. */
630 case POWER_SUPPLY_PROP_MODEL_NAME:
631 val->strval = data->bat_model_name;
632 break;
633 case POWER_SUPPLY_PROP_MANUFACTURER:
634 val->strval = data->bat_manufacturer_name;
635 break;
636 case POWER_SUPPLY_PROP_SERIAL_NUMBER:
637 val->strval = data->bat_serial_number;
638 break;
639 default:
640 break;
641 }
642 return 0;
5411552c
CJ		 643}
644
d9a427ec
RF		 645static int bat_set_property(struct power_supply *psy,
646 enum power_supply_property psp,
647 const union power_supply_propval *val)
648{
649 int level;
650
651 switch (psp) {
652 case POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT:
653 level = val->intval;
654 if (level < 0 || level > BAT_CHARGE_LIMIT_MAX)
655 return -EINVAL;
656 if (ec_write(BAT_CHARGE_LIMIT, level) < 0)
657 return -EIO;
658 break;
659 default:
660 break;
661 }
662 return 0;
663}
664
665static int bat_writeable_property(struct power_supply *psy,
666 enum power_supply_property psp)
667{
668 switch (psp) {
669 case POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT:
670 return 1;
671 default:
672 return 0;
673 }
674}
5411552c 675
5411552c 676
5411552c 677
9be0fcb5
RF		 678
679/* ============== */
680/* Driver Globals */
681/* ============== */
682static DEVICE_ATTR(wake_up_pme,
683 0644, wake_up_pme_show, wake_up_pme_store);
684static DEVICE_ATTR(wake_up_modem,
685 0644, wake_up_modem_show, wake_up_modem_store);
686static DEVICE_ATTR(wake_up_lan,
687 0644, wake_up_lan_show, wake_up_lan_store);
688static DEVICE_ATTR(wake_up_wlan,
689 0644, wake_up_wlan_show, wake_up_wlan_store);
690static DEVICE_ATTR(wake_up_key,
691 0644, wake_up_key_show, wake_up_key_store);
692static DEVICE_ATTR(wake_up_mouse,
693 0644, wake_up_mouse_show, wake_up_mouse_store);
694
4e062581
GR		 695static DEVICE_ATTR(fan1_input, S_IRUGO, fan_show, NULL);
696static DEVICE_ATTR(temp1_input, S_IRUGO, temp_cpu, NULL);
697static DEVICE_ATTR(temp2_input, S_IRUGO, temp_cpu_local, NULL);
698static DEVICE_ATTR(temp3_input, S_IRUGO, temp_cpu_DTS, NULL);
699static DEVICE_ATTR(temp4_input, S_IRUGO, temp_northbridge, NULL);
700static DEVICE_ATTR(temp5_input, S_IRUGO, temp_vga, NULL);
701static DEVICE_ATTR(temp6_input, S_IRUGO, temp_SKIN, NULL);
702static DEVICE_ATTR(temp1_label, S_IRUGO, label_cpu, NULL);
703static DEVICE_ATTR(temp2_label, S_IRUGO, label_cpu_local, NULL);
704static DEVICE_ATTR(temp3_label, S_IRUGO, label_cpu_DTS, NULL);
705static DEVICE_ATTR(temp4_label, S_IRUGO, label_northbridge, NULL);
706static DEVICE_ATTR(temp5_label, S_IRUGO, label_vga, NULL);
707static DEVICE_ATTR(temp6_label, S_IRUGO, label_SKIN, NULL);
708static DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, pwm_show, pwm_store);
709static DEVICE_ATTR(pwm1_enable,
710 S_IRUGO | S_IWUSR, pwm_enable_show, pwm_enable_store);
9be0fcb5 711
c2be45f0 712static struct attribute *compal_platform_attrs[] = {
9be0fcb5
RF		 713 &dev_attr_wake_up_pme.attr,
714 &dev_attr_wake_up_modem.attr,
715 &dev_attr_wake_up_lan.attr,
716 &dev_attr_wake_up_wlan.attr,
717 &dev_attr_wake_up_key.attr,
718 &dev_attr_wake_up_mouse.attr,
c2be45f0
GR		 719 NULL
720};
721static struct attribute_group compal_platform_attr_group = {
722 .attrs = compal_platform_attrs
723};
724
725static struct attribute *compal_hwmon_attrs[] = {
4e062581
GR		 726 &dev_attr_pwm1_enable.attr,
727 &dev_attr_pwm1.attr,
728 &dev_attr_fan1_input.attr,
729 &dev_attr_temp1_input.attr,
730 &dev_attr_temp2_input.attr,
731 &dev_attr_temp3_input.attr,
732 &dev_attr_temp4_input.attr,
733 &dev_attr_temp5_input.attr,
734 &dev_attr_temp6_input.attr,
735 &dev_attr_temp1_label.attr,
736 &dev_attr_temp2_label.attr,
737 &dev_attr_temp3_label.attr,
738 &dev_attr_temp4_label.attr,
739 &dev_attr_temp5_label.attr,
740 &dev_attr_temp6_label.attr,
9be0fcb5
RF		 741 NULL
742};
c2be45f0 743ATTRIBUTE_GROUPS(compal_hwmon);
9be0fcb5 744
b859f159
GKH		 745static int compal_probe(struct platform_device *);
746static int compal_remove(struct platform_device *);
5411552c
CJ		 747static struct platform_driver compal_driver = {
748 .driver = {
9be0fcb5 749 .name = DRIVER_NAME,
9be0fcb5
RF		 750 },
751 .probe = compal_probe,
b859f159 752 .remove = compal_remove,
9be0fcb5
RF		 753};
754
755static enum power_supply_property compal_bat_properties[] = {
756 POWER_SUPPLY_PROP_STATUS,
757 POWER_SUPPLY_PROP_HEALTH,
758 POWER_SUPPLY_PROP_PRESENT,
759 POWER_SUPPLY_PROP_TECHNOLOGY,
760 POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
761 POWER_SUPPLY_PROP_VOLTAGE_NOW,
762 POWER_SUPPLY_PROP_CURRENT_NOW,
763 POWER_SUPPLY_PROP_CURRENT_AVG,
764 POWER_SUPPLY_PROP_POWER_NOW,
765 POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
766 POWER_SUPPLY_PROP_CHARGE_NOW,
d9a427ec
RF		 767 POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT,
768 POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT_MAX,
9be0fcb5
RF		 769 POWER_SUPPLY_PROP_CAPACITY,
770 POWER_SUPPLY_PROP_CAPACITY_LEVEL,
771 POWER_SUPPLY_PROP_TEMP,
772 POWER_SUPPLY_PROP_TEMP_AMBIENT,
773 POWER_SUPPLY_PROP_MODEL_NAME,
774 POWER_SUPPLY_PROP_MANUFACTURER,
775 POWER_SUPPLY_PROP_SERIAL_NUMBER,
5411552c
CJ		 776};
777
9be0fcb5
RF		 778static struct backlight_device *compalbl_device;
779
780static struct platform_device *compal_device;
781
782static struct rfkill *wifi_rfkill;
783static struct rfkill *bt_rfkill;
784
785
786
787
788
789/* =================================== */
790/* Initialization & clean-up functions */
791/* =================================== */
5411552c
CJ		 792
793static int dmi_check_cb(const struct dmi_system_id *id)
794{
b4a4bc0b 795 pr_info("Identified laptop model '%s'\n", id->ident);
9be0fcb5 796 extra_features = false;
0e4510f7 797 return 1;
9be0fcb5 798}
5411552c 799
9be0fcb5
RF		 800static int dmi_check_cb_extra(const struct dmi_system_id *id)
801{
b4a4bc0b 802 pr_info("Identified laptop model '%s', enabling extra features\n",
9be0fcb5
RF		 803 id->ident);
804 extra_features = true;
0e4510f7 805 return 1;
5411552c
CJ		 806}
807
808static struct dmi_system_id __initdata compal_dmi_table[] = {
809 {
810 .ident = "FL90/IFL90",
811 .matches = {
812 DMI_MATCH(DMI_BOARD_NAME, "IFL90"),
813 DMI_MATCH(DMI_BOARD_VERSION, "IFT00"),
814 },
815 .callback = dmi_check_cb
816 },
817 {
818 .ident = "FL90/IFL90",
819 .matches = {
820 DMI_MATCH(DMI_BOARD_NAME, "IFL90"),
821 DMI_MATCH(DMI_BOARD_VERSION, "REFERENCE"),
822 },
823 .callback = dmi_check_cb
824 },
825 {
826 .ident = "FL91/IFL91",
827 .matches = {
828 DMI_MATCH(DMI_BOARD_NAME, "IFL91"),
829 DMI_MATCH(DMI_BOARD_VERSION, "IFT00"),
830 },
831 .callback = dmi_check_cb
832 },
833 {
834 .ident = "FL92/JFL92",
835 .matches = {
836 DMI_MATCH(DMI_BOARD_NAME, "JFL92"),
837 DMI_MATCH(DMI_BOARD_VERSION, "IFT00"),
838 },
839 .callback = dmi_check_cb
840 },
841 {
842 .ident = "FT00/IFT00",
843 .matches = {
844 DMI_MATCH(DMI_BOARD_NAME, "IFT00"),
845 DMI_MATCH(DMI_BOARD_VERSION, "IFT00"),
846 },
847 .callback = dmi_check_cb
848 },
34325b9d
ML		 849 {
850 .ident = "Dell Mini 9",
851 .matches = {
852 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
853 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 910"),
854 },
855 .callback = dmi_check_cb
856 },
857 {
858 .ident = "Dell Mini 10",
859 .matches = {
860 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
861 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1010"),
862 },
863 .callback = dmi_check_cb
864 },
865 {
866 .ident = "Dell Mini 10v",
867 .matches = {
868 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
869 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1011"),
870 },
871 .callback = dmi_check_cb
872 },
c3f755e3
VE		 873 {
874 .ident = "Dell Mini 1012",
875 .matches = {
876 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
877 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1012"),
878 },
879 .callback = dmi_check_cb
880 },
34325b9d
ML		 881 {
882 .ident = "Dell Inspiron 11z",
883 .matches = {
884 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
885 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1110"),
886 },
887 .callback = dmi_check_cb
888 },
889 {
890 .ident = "Dell Mini 12",
891 .matches = {
892 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
893 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1210"),
894 },
895 .callback = dmi_check_cb
896 },
9be0fcb5
RF		 897 {
898 .ident = "JHL90",
899 .matches = {
900 DMI_MATCH(DMI_BOARD_NAME, "JHL90"),
901 DMI_MATCH(DMI_BOARD_VERSION, "REFERENCE"),
902 },
903 .callback = dmi_check_cb_extra
904 },
4a198be7
AAC		 905 {
906 .ident = "KHLB2",
907 .matches = {
908 DMI_MATCH(DMI_BOARD_NAME, "KHLB2"),
909 DMI_MATCH(DMI_BOARD_VERSION, "REFERENCE"),
910 },
911 .callback = dmi_check_cb_extra
912 },
5411552c
CJ		 913 { }
914};
4585aba7 915MODULE_DEVICE_TABLE(dmi, compal_dmi_table);
5411552c 916
297d716f
KK		 917static const struct power_supply_desc psy_bat_desc = {
918 .name = DRIVER_NAME,
919 .type = POWER_SUPPLY_TYPE_BATTERY,
920 .properties = compal_bat_properties,
921 .num_properties = ARRAY_SIZE(compal_bat_properties),
922 .get_property = bat_get_property,
d9a427ec
RF		 923 .set_property = bat_set_property,
924 .property_is_writeable = bat_writeable_property,
297d716f
KK		 925};
926
9be0fcb5
RF		 927static void initialize_power_supply_data(struct compal_data *data)
928{
9be0fcb5
RF		 929 ec_read_sequence(BAT_MANUFACTURER_NAME_ADDR,
930 data->bat_manufacturer_name,
931 BAT_MANUFACTURER_NAME_LEN);
932 data->bat_manufacturer_name[BAT_MANUFACTURER_NAME_LEN] = 0;
933
934 ec_read_sequence(BAT_MODEL_NAME_ADDR,
935 data->bat_model_name,
936 BAT_MODEL_NAME_LEN);
937 data->bat_model_name[BAT_MODEL_NAME_LEN] = 0;
938
939 scnprintf(data->bat_serial_number, BAT_SERIAL_NUMBER_LEN + 1, "%d",
940 ec_read_u16(BAT_SERIAL_NUMBER_ADDR));
941}
942
943static void initialize_fan_control_data(struct compal_data *data)
944{
945 data->pwm_enable = 2; /* Keep motherboard in control for now */
946 data->curr_pwm = 255; /* Try not to cause a CPU_on_fire exception
947 if we take over... */
948}
949
950static int setup_rfkill(void)
951{
952 int ret;
953
954 wifi_rfkill = rfkill_alloc("compal-wifi", &compal_device->dev,
955 RFKILL_TYPE_WLAN, &compal_rfkill_ops,
956 (void *) WIRELESS_WLAN);
957 if (!wifi_rfkill)
958 return -ENOMEM;
959
960 ret = rfkill_register(wifi_rfkill);
961 if (ret)
962 goto err_wifi;
963
964 bt_rfkill = rfkill_alloc("compal-bluetooth", &compal_device->dev,
965 RFKILL_TYPE_BLUETOOTH, &compal_rfkill_ops,
966 (void *) WIRELESS_BT);
967 if (!bt_rfkill) {
968 ret = -ENOMEM;
969 goto err_allocate_bt;
970 }
971 ret = rfkill_register(bt_rfkill);
972 if (ret)
973 goto err_register_bt;
974
975 return 0;
976
977err_register_bt:
978 rfkill_destroy(bt_rfkill);
979
980err_allocate_bt:
981 rfkill_unregister(wifi_rfkill);
982
983err_wifi:
984 rfkill_destroy(wifi_rfkill);
985
986 return ret;
987}
988
5411552c
CJ		 989static int __init compal_init(void)
990{
991 int ret;
992
9be0fcb5 993 if (acpi_disabled) {
b4a4bc0b 994 pr_err("ACPI needs to be enabled for this driver to work!\n");
5411552c 995 return -ENODEV;
9be0fcb5 996 }
5411552c 997
9be0fcb5 998 if (!force && !dmi_check_system(compal_dmi_table)) {
b4a4bc0b 999 pr_err("Motherboard not recognized (You could try the module's force-parameter)\n");
5411552c 1000 return -ENODEV;
9be0fcb5 1001 }
5411552c 1002
358fefe7 1003 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {
a19a6ee6
MG		 1004 struct backlight_properties props;
1005 memset(&props, 0, sizeof(struct backlight_properties));
bb7ca747 1006 props.type = BACKLIGHT_PLATFORM;
9be0fcb5
RF		 1007 props.max_brightness = BACKLIGHT_LEVEL_MAX;
1008 compalbl_device = backlight_device_register(DRIVER_NAME,
a19a6ee6
MG		 1009 NULL, NULL,
1010 &compalbl_ops,
1011 &props);
29454f17
TR		 1012 if (IS_ERR(compalbl_device))
1013 return PTR_ERR(compalbl_device);
29454f17 1014 }
5411552c
CJ		 1015
1016 ret = platform_driver_register(&compal_driver);
1017 if (ret)
9be0fcb5 1018 goto err_backlight;
5411552c 1019
9be0fcb5 1020 compal_device = platform_device_alloc(DRIVER_NAME, -1);
5411552c
CJ		 1021 if (!compal_device) {
1022 ret = -ENOMEM;
9be0fcb5 1023 goto err_platform_driver;
5411552c
CJ		 1024 }
1025
9be0fcb5 1026 ret = platform_device_add(compal_device); /* This calls compal_probe */
5411552c 1027 if (ret)
9be0fcb5 1028 goto err_platform_device;
5411552c 1029
493e9143 1030 ret = setup_rfkill();
5411552c 1031 if (ret)
9be0fcb5 1032 goto err_rfkill;
5411552c 1033
b4a4bc0b 1034 pr_info("Driver " DRIVER_VERSION " successfully loaded\n");
5411552c
CJ		 1035 return 0;
1036
9be0fcb5 1037err_rfkill:
5411552c
CJ		 1038 platform_device_del(compal_device);
1039
9be0fcb5 1040err_platform_device:
5411552c
CJ		 1041 platform_device_put(compal_device);
1042
9be0fcb5 1043err_platform_driver:
5411552c
CJ		 1044 platform_driver_unregister(&compal_driver);
1045
9be0fcb5 1046err_backlight:
5411552c
CJ		 1047 backlight_device_unregister(compalbl_device);
1048
1049 return ret;
1050}
1051
b859f159 1052static int compal_probe(struct platform_device *pdev)
5411552c 1053{
9be0fcb5
RF		 1054 int err;
1055 struct compal_data *data;
c2be45f0 1056 struct device *hwmon_dev;
297d716f 1057 struct power_supply_config psy_cfg = {};
9be0fcb5
RF		 1058
1059 if (!extra_features)
1060 return 0;
1061
1062 /* Fan control */
cf508f44 1063 data = devm_kzalloc(&pdev->dev, sizeof(struct compal_data), GFP_KERNEL);
9be0fcb5
RF		 1064 if (!data)
1065 return -ENOMEM;
1066
1067 initialize_fan_control_data(data);
1068
c2be45f0 1069 err = sysfs_create_group(&pdev->dev.kobj, &compal_platform_attr_group);
cf508f44 1070 if (err)
9be0fcb5
RF		 1071 return err;
1072
ad774702
KK		 1073 hwmon_dev = devm_hwmon_device_register_with_groups(&pdev->dev,
1074 "compal", data,
1075 compal_hwmon_groups);
c2be45f0
GR		 1076 if (IS_ERR(hwmon_dev)) {
1077 err = PTR_ERR(hwmon_dev);
1078 goto remove;
9be0fcb5
RF		 1079 }
1080
1081 /* Power supply */
1082 initialize_power_supply_data(data);
297d716f
KK		 1083 psy_cfg.drv_data = data;
1084 data->psy = power_supply_register(&compal_device->dev, &psy_bat_desc,
1085 &psy_cfg);
1086 if (IS_ERR(data->psy)) {
1087 err = PTR_ERR(data->psy);
1915a718 1088 goto remove;
297d716f 1089 }
9be0fcb5
RF		 1090
1091 platform_set_drvdata(pdev, data);
1092
1093 return 0;
c2be45f0
GR		 1094
1095remove:
1096 sysfs_remove_group(&pdev->dev.kobj, &compal_platform_attr_group);
1097 return err;
9be0fcb5 1098}
5411552c 1099
9be0fcb5
RF		 1100static void __exit compal_cleanup(void)
1101{
5411552c
CJ		 1102 platform_device_unregister(compal_device);
1103 platform_driver_unregister(&compal_driver);
1104 backlight_device_unregister(compalbl_device);
493e9143 1105 rfkill_unregister(wifi_rfkill);
493e9143 1106 rfkill_unregister(bt_rfkill);
9be0fcb5 1107 rfkill_destroy(wifi_rfkill);
493e9143 1108 rfkill_destroy(bt_rfkill);
5411552c 1109
b4a4bc0b 1110 pr_info("Driver unloaded\n");
5411552c
CJ		 1111}
1112
b859f159 1113static int compal_remove(struct platform_device *pdev)
9be0fcb5
RF		 1114{
1115 struct compal_data *data;
1116
1117 if (!extra_features)
1118 return 0;
1119
b4a4bc0b 1120 pr_info("Unloading: resetting fan control to motherboard\n");
9be0fcb5
RF		 1121 pwm_disable_control();
1122
1123 data = platform_get_drvdata(pdev);
297d716f 1124 power_supply_unregister(data->psy);
9be0fcb5 1125
c2be45f0 1126 sysfs_remove_group(&pdev->dev.kobj, &compal_platform_attr_group);
9be0fcb5
RF		 1127
1128 return 0;
1129}
1130
1131
5411552c
CJ		 1132module_init(compal_init);
1133module_exit(compal_cleanup);
1134
1135MODULE_AUTHOR("Cezary Jackiewicz");
9be0fcb5 1136MODULE_AUTHOR("Roald Frederickx (roald.frederickx@gmail.com)");
5411552c 1137MODULE_DESCRIPTION("Compal Laptop Support");
9be0fcb5 1138MODULE_VERSION(DRIVER_VERSION);
5411552c 1139MODULE_LICENSE("GPL");
Linux kernel - Deliverables
This page took 0.65048 seconds and 5 git commands to generate.