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70
71#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
72
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>
80#include <linux/rfkill.h>
81#include <linux/hwmon.h>
82#include <linux/hwmon-sysfs.h>
83#include <linux/power_supply.h>
84#include <linux/fb.h>
85
86
87
88
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
123#define FAN_FULL_ON_ENABLE 0x76
124#define FAN_FULL_ON_DISABLE 0x77
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
154
155#define BAT_S0_DISCHARGE (1 << 0)
156#define BAT_S0_DISCHRG_CRITICAL (1 << 2)
157#define BAT_S0_LOW (1 << 3)
158#define BAT_S0_CHARGING (1 << 1)
159#define BAT_S0_AC (1 << 7)
160#define BAT_S1_EXISTS (1 << 0)
161#define BAT_S1_FULL (1 << 1)
162#define BAT_S1_EMPTY (1 << 2)
163#define BAT_S1_LiION_OR_NiMH (1 << 7)
164#define BAT_S2_LOW_LOW (1 << 0)
165#define BAT_STOP_CHRG1_BAD_CELL (1 << 1)
166#define BAT_STOP_CHRG1_COMM_FAIL (1 << 2)
167#define BAT_STOP_CHRG1_OVERVOLTAGE (1 << 6)
168#define BAT_STOP_CHRG1_OVERTEMPERATURE (1 << 7)
169
170
171
172
173
174struct compal_data{
175
176 struct device *hwmon_dev;
177 int pwm_enable;
178 unsigned char curr_pwm;
179
180
181 struct power_supply psy;
182 struct power_supply_info psy_info;
183 char bat_model_name[BAT_MODEL_NAME_LEN + 1];
184 char bat_manufacturer_name[BAT_MANUFACTURER_NAME_LEN + 1];
185 char bat_serial_number[BAT_SERIAL_NUMBER_LEN + 1];
186};
187
188
189
190
191
192static int force;
193module_param(force, bool, 0);
194MODULE_PARM_DESC(force, "Force driver load, ignore DMI data");
195
196
197
198static bool extra_features;
199
200
201
202
203
204
205
206
207
208
209
210
211
212static const unsigned char pwm_lookup_table[256] = {
213 0, 0, 0, 1, 1, 1, 2, 253, 254, 3, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6,
214 7, 7, 7, 8, 86, 86, 9, 9, 9, 10, 10, 10, 11, 92, 92, 12, 12, 95,
215 13, 66, 66, 14, 14, 98, 15, 15, 15, 16, 16, 67, 17, 17, 72, 18, 70,
216 75, 19, 90, 90, 73, 73, 73, 21, 21, 91, 91, 91, 96, 23, 94, 94, 94,
217 94, 94, 94, 94, 94, 94, 94, 141, 141, 238, 223, 192, 139, 139, 139,
218 139, 139, 142, 142, 142, 142, 142, 78, 78, 78, 78, 78, 76, 76, 76,
219 76, 76, 79, 79, 79, 79, 79, 79, 79, 20, 20, 20, 20, 20, 22, 22, 22,
220 22, 22, 24, 24, 24, 24, 24, 24, 219, 219, 219, 219, 219, 219, 219,
221 219, 27, 27, 188, 188, 28, 28, 28, 29, 186, 186, 186, 186, 186,
222 186, 186, 186, 186, 186, 31, 31, 31, 31, 31, 32, 32, 32, 41, 33,
223 33, 33, 33, 33, 252, 252, 34, 34, 34, 43, 35, 35, 35, 36, 36, 38,
224 206, 206, 206, 206, 206, 206, 206, 206, 206, 37, 37, 37, 46, 46,
225 47, 47, 232, 232, 232, 232, 232, 232, 232, 232, 232, 232, 48, 48,
226 48, 48, 48, 40, 40, 40, 49, 42, 42, 42, 42, 42, 42, 42, 42, 44,
227 189, 189, 189, 189, 54, 54, 45, 45, 45, 45, 45, 45, 45, 45, 251,
228 191, 199, 199, 199, 199, 199, 215, 215, 215, 215, 187, 187, 187,
229 187, 187, 193, 50
230};
231
232
233
234
235
236
237
238
239static u8 ec_read_u8(u8 addr)
240{
241 u8 value;
242 ec_read(addr, &value);
243 return value;
244}
245
246static s8 ec_read_s8(u8 addr)
247{
248 return (s8)ec_read_u8(addr);
249}
250
251static u16 ec_read_u16(u8 addr)
252{
253 int hi, lo;
254 lo = ec_read_u8(addr);
255 hi = ec_read_u8(addr + 1);
256 return (hi << 8) + lo;
257}
258
259static s16 ec_read_s16(u8 addr)
260{
261 return (s16) ec_read_u16(addr);
262}
263
264static void ec_read_sequence(u8 addr, u8 *buf, int len)
265{
266 int i;
267 for (i = 0; i < len; i++)
268 ec_read(addr + i, buf + i);
269}
270
271
272
273static int set_backlight_level(int level)
274{
275 if (level < 0 || level > BACKLIGHT_LEVEL_MAX)
276 return -EINVAL;
277
278 ec_write(BACKLIGHT_LEVEL_ADDR, level);
279
280 return 0;
281}
282
283static int get_backlight_level(void)
284{
285 return (int) ec_read_u8(BACKLIGHT_LEVEL_ADDR);
286}
287
288static void set_backlight_state(bool on)
289{
290 u8 data = on ? BACKLIGHT_STATE_ON_DATA : BACKLIGHT_STATE_OFF_DATA;
291 ec_transaction(BACKLIGHT_STATE_ADDR, &data, 1, NULL, 0);
292}
293
294
295
296static void pwm_enable_control(void)
297{
298 unsigned char writeData = PWM_ENABLE_DATA;
299 ec_transaction(PWM_ENABLE_ADDR, &writeData, 1, NULL, 0);
300}
301
302static void pwm_disable_control(void)
303{
304 unsigned char writeData = PWM_DISABLE_DATA;
305 ec_transaction(PWM_DISABLE_ADDR, &writeData, 1, NULL, 0);
306}
307
308static void set_pwm(int pwm)
309{
310 ec_transaction(PWM_ADDRESS, &pwm_lookup_table[pwm], 1, NULL, 0);
311}
312
313static int get_fan_rpm(void)
314{
315 u8 value, data = FAN_DATA;
316 ec_transaction(FAN_ADDRESS, &data, 1, &value, 1);
317 return 100 * (int)value;
318}
319
320
321
322
323
324
325
326
327
328static int bl_get_brightness(struct backlight_device *b)
329{
330 return get_backlight_level();
331}
332
333static int bl_update_status(struct backlight_device *b)
334{
335 int ret = set_backlight_level(b->props.brightness);
336 if (ret)
337 return ret;
338
339 set_backlight_state((b->props.power == FB_BLANK_UNBLANK)
340 && !(b->props.state & BL_CORE_SUSPENDED)
341 && !(b->props.state & BL_CORE_FBBLANK));
342 return 0;
343}
344
345static const struct backlight_ops compalbl_ops = {
346 .get_brightness = bl_get_brightness,
347 .update_status = bl_update_status,
348};
349
350
351
352static int compal_rfkill_set(void *data, bool blocked)
353{
354 unsigned long radio = (unsigned long) data;
355 u8 result = ec_read_u8(WIRELESS_ADDR);
356 u8 value;
357
358 if (!blocked)
359 value = (u8) (result | radio);
360 else
361 value = (u8) (result & ~radio);
362 ec_write(WIRELESS_ADDR, value);
363
364 return 0;
365}
366
367static void compal_rfkill_poll(struct rfkill *rfkill, void *data)
368{
369 u8 result = ec_read_u8(WIRELESS_ADDR);
370 bool hw_blocked = !(result & WIRELESS_KILLSWITCH);
371 rfkill_set_hw_state(rfkill, hw_blocked);
372}
373
374static const struct rfkill_ops compal_rfkill_ops = {
375 .poll = compal_rfkill_poll,
376 .set_block = compal_rfkill_set,
377};
378
379
380
381#define SIMPLE_MASKED_STORE_SHOW(NAME, ADDR, MASK) \
382static ssize_t NAME##_show(struct device *dev, \
383 struct device_attribute *attr, char *buf) \
384{ \
385 return sprintf(buf, "%d\n", ((ec_read_u8(ADDR) & MASK) != 0)); \
386} \
387static ssize_t NAME##_store(struct device *dev, \
388 struct device_attribute *attr, const char *buf, size_t count) \
389{ \
390 int state; \
391 u8 old_val = ec_read_u8(ADDR); \
392 if (sscanf(buf, "%d", &state) != 1 || (state < 0 || state > 1)) \
393 return -EINVAL; \
394 ec_write(ADDR, state ? (old_val | MASK) : (old_val & ~MASK)); \
395 return count; \
396}
397
398SIMPLE_MASKED_STORE_SHOW(wake_up_pme, WAKE_UP_ADDR, WAKE_UP_PME)
399SIMPLE_MASKED_STORE_SHOW(wake_up_modem, WAKE_UP_ADDR, WAKE_UP_MODEM)
400SIMPLE_MASKED_STORE_SHOW(wake_up_lan, WAKE_UP_ADDR, WAKE_UP_LAN)
401SIMPLE_MASKED_STORE_SHOW(wake_up_wlan, WAKE_UP_ADDR, WAKE_UP_WLAN)
402SIMPLE_MASKED_STORE_SHOW(wake_up_key, WAKE_UP_ADDR, WAKE_UP_KEY)
403SIMPLE_MASKED_STORE_SHOW(wake_up_mouse, WAKE_UP_ADDR, WAKE_UP_MOUSE)
404
405
406
407static ssize_t hwmon_name_show(struct device *dev,
408 struct device_attribute *attr, char *buf)
409{
410 return sprintf(buf, "%s\n", DRIVER_NAME);
411}
412
413
414
415static ssize_t pwm_enable_show(struct device *dev,
416 struct device_attribute *attr, char *buf)
417{
418 struct compal_data *data = dev_get_drvdata(dev);
419 return sprintf(buf, "%d\n", data->pwm_enable);
420}
421
422static ssize_t pwm_enable_store(struct device *dev,
423 struct device_attribute *attr, const char *buf, size_t count)
424{
425 struct compal_data *data = dev_get_drvdata(dev);
426 long val;
427 int err;
428 err = strict_strtol(buf, 10, &val);
429 if (err)
430 return err;
431 if (val < 0)
432 return -EINVAL;
433
434 data->pwm_enable = val;
435
436 switch (val) {
437 case 0:
438 pwm_enable_control();
439 set_pwm(255);
440 break;
441 case 1:
442 pwm_enable_control();
443 set_pwm(data->curr_pwm);
444 break;
445 default:
446 pwm_disable_control();
447 break;
448 }
449
450 return count;
451}
452
453static ssize_t pwm_show(struct device *dev, struct device_attribute *attr,
454 char *buf)
455{
456 struct compal_data *data = dev_get_drvdata(dev);
457 return sprintf(buf, "%hhu\n", data->curr_pwm);
458}
459
460static ssize_t pwm_store(struct device *dev, struct device_attribute *attr,
461 const char *buf, size_t count)
462{
463 struct compal_data *data = dev_get_drvdata(dev);
464 long val;
465 int err;
466 err = strict_strtol(buf, 10, &val);
467 if (err)
468 return err;
469 if (val < 0 || val > 255)
470 return -EINVAL;
471
472 data->curr_pwm = val;
473
474 if (data->pwm_enable != 1)
475 return count;
476 set_pwm(val);
477
478 return count;
479}
480
481static ssize_t fan_show(struct device *dev, struct device_attribute *attr,
482 char *buf)
483{
484 return sprintf(buf, "%d\n", get_fan_rpm());
485}
486
487
488
489#define TEMPERATURE_SHOW_TEMP_AND_LABEL(POSTFIX, ADDRESS, LABEL) \
490static ssize_t temp_##POSTFIX(struct device *dev, \
491 struct device_attribute *attr, char *buf) \
492{ \
493 return sprintf(buf, "%d\n", 1000 * (int)ec_read_s8(ADDRESS)); \
494} \
495static ssize_t label_##POSTFIX(struct device *dev, \
496 struct device_attribute *attr, char *buf) \
497{ \
498 return sprintf(buf, "%s\n", LABEL); \
499}
500
501
502TEMPERATURE_SHOW_TEMP_AND_LABEL(cpu, TEMP_CPU, "CPU_TEMP");
503TEMPERATURE_SHOW_TEMP_AND_LABEL(cpu_local, TEMP_CPU_LOCAL, "CPU_TEMP_LOCAL");
504TEMPERATURE_SHOW_TEMP_AND_LABEL(cpu_DTS, TEMP_CPU_DTS, "CPU_DTS");
505TEMPERATURE_SHOW_TEMP_AND_LABEL(northbridge,TEMP_NORTHBRIDGE,"NorthBridge");
506TEMPERATURE_SHOW_TEMP_AND_LABEL(vga, TEMP_VGA, "VGA_TEMP");
507TEMPERATURE_SHOW_TEMP_AND_LABEL(SKIN, TEMP_SKIN, "SKIN_TEMP90");
508
509
510
511static int bat_status(void)
512{
513 u8 status0 = ec_read_u8(BAT_STATUS0);
514 u8 status1 = ec_read_u8(BAT_STATUS1);
515
516 if (status0 & BAT_S0_CHARGING)
517 return POWER_SUPPLY_STATUS_CHARGING;
518 if (status0 & BAT_S0_DISCHARGE)
519 return POWER_SUPPLY_STATUS_DISCHARGING;
520 if (status1 & BAT_S1_FULL)
521 return POWER_SUPPLY_STATUS_FULL;
522 return POWER_SUPPLY_STATUS_NOT_CHARGING;
523}
524
525static int bat_health(void)
526{
527 u8 status = ec_read_u8(BAT_STOP_CHARGE1);
528
529 if (status & BAT_STOP_CHRG1_OVERTEMPERATURE)
530 return POWER_SUPPLY_HEALTH_OVERHEAT;
531 if (status & BAT_STOP_CHRG1_OVERVOLTAGE)
532 return POWER_SUPPLY_HEALTH_OVERVOLTAGE;
533 if (status & BAT_STOP_CHRG1_BAD_CELL)
534 return POWER_SUPPLY_HEALTH_DEAD;
535 if (status & BAT_STOP_CHRG1_COMM_FAIL)
536 return POWER_SUPPLY_HEALTH_UNKNOWN;
537 return POWER_SUPPLY_HEALTH_GOOD;
538}
539
540static int bat_is_present(void)
541{
542 u8 status = ec_read_u8(BAT_STATUS2);
543 return ((status & BAT_S1_EXISTS) != 0);
544}
545
546static int bat_technology(void)
547{
548 u8 status = ec_read_u8(BAT_STATUS1);
549
550 if (status & BAT_S1_LiION_OR_NiMH)
551 return POWER_SUPPLY_TECHNOLOGY_LION;
552 return POWER_SUPPLY_TECHNOLOGY_NiMH;
553}
554
555static int bat_capacity_level(void)
556{
557 u8 status0 = ec_read_u8(BAT_STATUS0);
558 u8 status1 = ec_read_u8(BAT_STATUS1);
559 u8 status2 = ec_read_u8(BAT_STATUS2);
560
561 if (status0 & BAT_S0_DISCHRG_CRITICAL
562 || status1 & BAT_S1_EMPTY
563 || status2 & BAT_S2_LOW_LOW)
564 return POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL;
565 if (status0 & BAT_S0_LOW)
566 return POWER_SUPPLY_CAPACITY_LEVEL_LOW;
567 if (status1 & BAT_S1_FULL)
568 return POWER_SUPPLY_CAPACITY_LEVEL_FULL;
569 return POWER_SUPPLY_CAPACITY_LEVEL_NORMAL;
570}
571
572static int bat_get_property(struct power_supply *psy,
573 enum power_supply_property psp,
574 union power_supply_propval *val)
575{
576 struct compal_data *data;
577 data = container_of(psy, struct compal_data, psy);
578
579 switch (psp) {
580 case POWER_SUPPLY_PROP_STATUS:
581 val->intval = bat_status();
582 break;
583 case POWER_SUPPLY_PROP_HEALTH:
584 val->intval = bat_health();
585 break;
586 case POWER_SUPPLY_PROP_PRESENT:
587 val->intval = bat_is_present();
588 break;
589 case POWER_SUPPLY_PROP_TECHNOLOGY:
590 val->intval = bat_technology();
591 break;
592 case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
593 val->intval = ec_read_u16(BAT_VOLTAGE_DESIGN) * 1000;
594 break;
595 case POWER_SUPPLY_PROP_VOLTAGE_NOW:
596 val->intval = ec_read_u16(BAT_VOLTAGE_NOW) * 1000;
597 break;
598 case POWER_SUPPLY_PROP_CURRENT_NOW:
599 val->intval = ec_read_s16(BAT_CURRENT_NOW) * 1000;
600 break;
601 case POWER_SUPPLY_PROP_CURRENT_AVG:
602 val->intval = ec_read_s16(BAT_CURRENT_AVG) * 1000;
603 break;
604 case POWER_SUPPLY_PROP_POWER_NOW:
605 val->intval = ec_read_u8(BAT_POWER) * 1000000;
606 break;
607 case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
608 val->intval = ec_read_u16(BAT_CHARGE_DESIGN) * 1000;
609 break;
610 case POWER_SUPPLY_PROP_CHARGE_NOW:
611 val->intval = ec_read_u16(BAT_CHARGE_NOW) * 1000;
612 break;
613 case POWER_SUPPLY_PROP_CAPACITY:
614 val->intval = ec_read_u8(BAT_CAPACITY);
615 break;
616 case POWER_SUPPLY_PROP_CAPACITY_LEVEL:
617 val->intval = bat_capacity_level();
618 break;
619
620
621
622
623
624 case POWER_SUPPLY_PROP_TEMP:
625 val->intval = ((222 - (int)ec_read_u8(BAT_TEMP)) * 1000) >> 8;
626 break;
627 case POWER_SUPPLY_PROP_TEMP_AMBIENT:
628 val->intval = ec_read_s8(BAT_TEMP_AVG) * 10;
629 break;
630
631 case POWER_SUPPLY_PROP_MODEL_NAME:
632 val->strval = data->bat_model_name;
633 break;
634 case POWER_SUPPLY_PROP_MANUFACTURER:
635 val->strval = data->bat_manufacturer_name;
636 break;
637 case POWER_SUPPLY_PROP_SERIAL_NUMBER:
638 val->strval = data->bat_serial_number;
639 break;
640 default:
641 break;
642 }
643 return 0;
644}
645
646
647
648
649
650
651
652
653static DEVICE_ATTR(wake_up_pme,
654 0644, wake_up_pme_show, wake_up_pme_store);
655static DEVICE_ATTR(wake_up_modem,
656 0644, wake_up_modem_show, wake_up_modem_store);
657static DEVICE_ATTR(wake_up_lan,
658 0644, wake_up_lan_show, wake_up_lan_store);
659static DEVICE_ATTR(wake_up_wlan,
660 0644, wake_up_wlan_show, wake_up_wlan_store);
661static DEVICE_ATTR(wake_up_key,
662 0644, wake_up_key_show, wake_up_key_store);
663static DEVICE_ATTR(wake_up_mouse,
664 0644, wake_up_mouse_show, wake_up_mouse_store);
665
666static SENSOR_DEVICE_ATTR(name, S_IRUGO, hwmon_name_show, NULL, 1);
667static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, fan_show, NULL, 1);
668static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, temp_cpu, NULL, 1);
669static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, temp_cpu_local, NULL, 1);
670static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, temp_cpu_DTS, NULL, 1);
671static SENSOR_DEVICE_ATTR(temp4_input, S_IRUGO, temp_northbridge, NULL, 1);
672static SENSOR_DEVICE_ATTR(temp5_input, S_IRUGO, temp_vga, NULL, 1);
673static SENSOR_DEVICE_ATTR(temp6_input, S_IRUGO, temp_SKIN, NULL, 1);
674static SENSOR_DEVICE_ATTR(temp1_label, S_IRUGO, label_cpu, NULL, 1);
675static SENSOR_DEVICE_ATTR(temp2_label, S_IRUGO, label_cpu_local, NULL, 1);
676static SENSOR_DEVICE_ATTR(temp3_label, S_IRUGO, label_cpu_DTS, NULL, 1);
677static SENSOR_DEVICE_ATTR(temp4_label, S_IRUGO, label_northbridge, NULL, 1);
678static SENSOR_DEVICE_ATTR(temp5_label, S_IRUGO, label_vga, NULL, 1);
679static SENSOR_DEVICE_ATTR(temp6_label, S_IRUGO, label_SKIN, NULL, 1);
680static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, pwm_show, pwm_store, 1);
681static SENSOR_DEVICE_ATTR(pwm1_enable,
682 S_IRUGO | S_IWUSR, pwm_enable_show, pwm_enable_store, 0);
683
684static struct attribute *compal_attributes[] = {
685 &dev_attr_wake_up_pme.attr,
686 &dev_attr_wake_up_modem.attr,
687 &dev_attr_wake_up_lan.attr,
688 &dev_attr_wake_up_wlan.attr,
689 &dev_attr_wake_up_key.attr,
690 &dev_attr_wake_up_mouse.attr,
691
692
693 &sensor_dev_attr_name.dev_attr.attr,
694 &sensor_dev_attr_pwm1_enable.dev_attr.attr,
695 &sensor_dev_attr_pwm1.dev_attr.attr,
696 &sensor_dev_attr_fan1_input.dev_attr.attr,
697 &sensor_dev_attr_temp1_input.dev_attr.attr,
698 &sensor_dev_attr_temp2_input.dev_attr.attr,
699 &sensor_dev_attr_temp3_input.dev_attr.attr,
700 &sensor_dev_attr_temp4_input.dev_attr.attr,
701 &sensor_dev_attr_temp5_input.dev_attr.attr,
702 &sensor_dev_attr_temp6_input.dev_attr.attr,
703 &sensor_dev_attr_temp1_label.dev_attr.attr,
704 &sensor_dev_attr_temp2_label.dev_attr.attr,
705 &sensor_dev_attr_temp3_label.dev_attr.attr,
706 &sensor_dev_attr_temp4_label.dev_attr.attr,
707 &sensor_dev_attr_temp5_label.dev_attr.attr,
708 &sensor_dev_attr_temp6_label.dev_attr.attr,
709 NULL
710};
711
712static struct attribute_group compal_attribute_group = {
713 .attrs = compal_attributes
714};
715
716static int __devinit compal_probe(struct platform_device *);
717static int __devexit compal_remove(struct platform_device *);
718static struct platform_driver compal_driver = {
719 .driver = {
720 .name = DRIVER_NAME,
721 .owner = THIS_MODULE,
722 },
723 .probe = compal_probe,
724 .remove = __devexit_p(compal_remove)
725};
726
727static enum power_supply_property compal_bat_properties[] = {
728 POWER_SUPPLY_PROP_STATUS,
729 POWER_SUPPLY_PROP_HEALTH,
730 POWER_SUPPLY_PROP_PRESENT,
731 POWER_SUPPLY_PROP_TECHNOLOGY,
732 POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
733 POWER_SUPPLY_PROP_VOLTAGE_NOW,
734 POWER_SUPPLY_PROP_CURRENT_NOW,
735 POWER_SUPPLY_PROP_CURRENT_AVG,
736 POWER_SUPPLY_PROP_POWER_NOW,
737 POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
738 POWER_SUPPLY_PROP_CHARGE_NOW,
739 POWER_SUPPLY_PROP_CAPACITY,
740 POWER_SUPPLY_PROP_CAPACITY_LEVEL,
741 POWER_SUPPLY_PROP_TEMP,
742 POWER_SUPPLY_PROP_TEMP_AMBIENT,
743 POWER_SUPPLY_PROP_MODEL_NAME,
744 POWER_SUPPLY_PROP_MANUFACTURER,
745 POWER_SUPPLY_PROP_SERIAL_NUMBER,
746};
747
748static struct backlight_device *compalbl_device;
749
750static struct platform_device *compal_device;
751
752static struct rfkill *wifi_rfkill;
753static struct rfkill *bt_rfkill;
754
755
756
757
758
759
760
761
762
763static int dmi_check_cb(const struct dmi_system_id *id)
764{
765 pr_info("Identified laptop model '%s'\n", id->ident);
766 extra_features = false;
767 return 1;
768}
769
770static int dmi_check_cb_extra(const struct dmi_system_id *id)
771{
772 pr_info("Identified laptop model '%s', enabling extra features\n",
773 id->ident);
774 extra_features = true;
775 return 1;
776}
777
778static struct dmi_system_id __initdata compal_dmi_table[] = {
779 {
780 .ident = "FL90/IFL90",
781 .matches = {
782 DMI_MATCH(DMI_BOARD_NAME, "IFL90"),
783 DMI_MATCH(DMI_BOARD_VERSION, "IFT00"),
784 },
785 .callback = dmi_check_cb
786 },
787 {
788 .ident = "FL90/IFL90",
789 .matches = {
790 DMI_MATCH(DMI_BOARD_NAME, "IFL90"),
791 DMI_MATCH(DMI_BOARD_VERSION, "REFERENCE"),
792 },
793 .callback = dmi_check_cb
794 },
795 {
796 .ident = "FL91/IFL91",
797 .matches = {
798 DMI_MATCH(DMI_BOARD_NAME, "IFL91"),
799 DMI_MATCH(DMI_BOARD_VERSION, "IFT00"),
800 },
801 .callback = dmi_check_cb
802 },
803 {
804 .ident = "FL92/JFL92",
805 .matches = {
806 DMI_MATCH(DMI_BOARD_NAME, "JFL92"),
807 DMI_MATCH(DMI_BOARD_VERSION, "IFT00"),
808 },
809 .callback = dmi_check_cb
810 },
811 {
812 .ident = "FT00/IFT00",
813 .matches = {
814 DMI_MATCH(DMI_BOARD_NAME, "IFT00"),
815 DMI_MATCH(DMI_BOARD_VERSION, "IFT00"),
816 },
817 .callback = dmi_check_cb
818 },
819 {
820 .ident = "Dell Mini 9",
821 .matches = {
822 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
823 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 910"),
824 },
825 .callback = dmi_check_cb
826 },
827 {
828 .ident = "Dell Mini 10",
829 .matches = {
830 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
831 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1010"),
832 },
833 .callback = dmi_check_cb
834 },
835 {
836 .ident = "Dell Mini 10v",
837 .matches = {
838 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
839 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1011"),
840 },
841 .callback = dmi_check_cb
842 },
843 {
844 .ident = "Dell Mini 1012",
845 .matches = {
846 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
847 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1012"),
848 },
849 .callback = dmi_check_cb
850 },
851 {
852 .ident = "Dell Inspiron 11z",
853 .matches = {
854 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
855 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1110"),
856 },
857 .callback = dmi_check_cb
858 },
859 {
860 .ident = "Dell Mini 12",
861 .matches = {
862 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
863 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1210"),
864 },
865 .callback = dmi_check_cb
866 },
867 {
868 .ident = "JHL90",
869 .matches = {
870 DMI_MATCH(DMI_BOARD_NAME, "JHL90"),
871 DMI_MATCH(DMI_BOARD_VERSION, "REFERENCE"),
872 },
873 .callback = dmi_check_cb_extra
874 },
875 {
876 .ident = "KHLB2",
877 .matches = {
878 DMI_MATCH(DMI_BOARD_NAME, "KHLB2"),
879 DMI_MATCH(DMI_BOARD_VERSION, "REFERENCE"),
880 },
881 .callback = dmi_check_cb_extra
882 },
883 { }
884};
885
886static void initialize_power_supply_data(struct compal_data *data)
887{
888 data->psy.name = DRIVER_NAME;
889 data->psy.type = POWER_SUPPLY_TYPE_BATTERY;
890 data->psy.properties = compal_bat_properties;
891 data->psy.num_properties = ARRAY_SIZE(compal_bat_properties);
892 data->psy.get_property = bat_get_property;
893
894 ec_read_sequence(BAT_MANUFACTURER_NAME_ADDR,
895 data->bat_manufacturer_name,
896 BAT_MANUFACTURER_NAME_LEN);
897 data->bat_manufacturer_name[BAT_MANUFACTURER_NAME_LEN] = 0;
898
899 ec_read_sequence(BAT_MODEL_NAME_ADDR,
900 data->bat_model_name,
901 BAT_MODEL_NAME_LEN);
902 data->bat_model_name[BAT_MODEL_NAME_LEN] = 0;
903
904 scnprintf(data->bat_serial_number, BAT_SERIAL_NUMBER_LEN + 1, "%d",
905 ec_read_u16(BAT_SERIAL_NUMBER_ADDR));
906}
907
908static void initialize_fan_control_data(struct compal_data *data)
909{
910 data->pwm_enable = 2;
911 data->curr_pwm = 255;
912
913}
914
915static int setup_rfkill(void)
916{
917 int ret;
918
919 wifi_rfkill = rfkill_alloc("compal-wifi", &compal_device->dev,
920 RFKILL_TYPE_WLAN, &compal_rfkill_ops,
921 (void *) WIRELESS_WLAN);
922 if (!wifi_rfkill)
923 return -ENOMEM;
924
925 ret = rfkill_register(wifi_rfkill);
926 if (ret)
927 goto err_wifi;
928
929 bt_rfkill = rfkill_alloc("compal-bluetooth", &compal_device->dev,
930 RFKILL_TYPE_BLUETOOTH, &compal_rfkill_ops,
931 (void *) WIRELESS_BT);
932 if (!bt_rfkill) {
933 ret = -ENOMEM;
934 goto err_allocate_bt;
935 }
936 ret = rfkill_register(bt_rfkill);
937 if (ret)
938 goto err_register_bt;
939
940 return 0;
941
942err_register_bt:
943 rfkill_destroy(bt_rfkill);
944
945err_allocate_bt:
946 rfkill_unregister(wifi_rfkill);
947
948err_wifi:
949 rfkill_destroy(wifi_rfkill);
950
951 return ret;
952}
953
954static int __init compal_init(void)
955{
956 int ret;
957
958 if (acpi_disabled) {
959 pr_err("ACPI needs to be enabled for this driver to work!\n");
960 return -ENODEV;
961 }
962
963 if (!force && !dmi_check_system(compal_dmi_table)) {
964 pr_err("Motherboard not recognized (You could try the module's force-parameter)\n");
965 return -ENODEV;
966 }
967
968 if (!acpi_video_backlight_support()) {
969 struct backlight_properties props;
970 memset(&props, 0, sizeof(struct backlight_properties));
971 props.type = BACKLIGHT_PLATFORM;
972 props.max_brightness = BACKLIGHT_LEVEL_MAX;
973 compalbl_device = backlight_device_register(DRIVER_NAME,
974 NULL, NULL,
975 &compalbl_ops,
976 &props);
977 if (IS_ERR(compalbl_device))
978 return PTR_ERR(compalbl_device);
979 }
980
981 ret = platform_driver_register(&compal_driver);
982 if (ret)
983 goto err_backlight;
984
985 compal_device = platform_device_alloc(DRIVER_NAME, -1);
986 if (!compal_device) {
987 ret = -ENOMEM;
988 goto err_platform_driver;
989 }
990
991 ret = platform_device_add(compal_device);
992 if (ret)
993 goto err_platform_device;
994
995 ret = setup_rfkill();
996 if (ret)
997 goto err_rfkill;
998
999 pr_info("Driver " DRIVER_VERSION " successfully loaded\n");
1000 return 0;
1001
1002err_rfkill:
1003 platform_device_del(compal_device);
1004
1005err_platform_device:
1006 platform_device_put(compal_device);
1007
1008err_platform_driver:
1009 platform_driver_unregister(&compal_driver);
1010
1011err_backlight:
1012 backlight_device_unregister(compalbl_device);
1013
1014 return ret;
1015}
1016
1017static int __devinit compal_probe(struct platform_device *pdev)
1018{
1019 int err;
1020 struct compal_data *data;
1021
1022 if (!extra_features)
1023 return 0;
1024
1025
1026 data = kzalloc(sizeof(struct compal_data), GFP_KERNEL);
1027 if (!data)
1028 return -ENOMEM;
1029
1030 initialize_fan_control_data(data);
1031
1032 err = sysfs_create_group(&pdev->dev.kobj, &compal_attribute_group);
1033 if (err) {
1034 kfree(data);
1035 return err;
1036 }
1037
1038 data->hwmon_dev = hwmon_device_register(&pdev->dev);
1039 if (IS_ERR(data->hwmon_dev)) {
1040 err = PTR_ERR(data->hwmon_dev);
1041 sysfs_remove_group(&pdev->dev.kobj,
1042 &compal_attribute_group);
1043 kfree(data);
1044 return err;
1045 }
1046
1047
1048 initialize_power_supply_data(data);
1049 power_supply_register(&compal_device->dev, &data->psy);
1050
1051 platform_set_drvdata(pdev, data);
1052
1053 return 0;
1054}
1055
1056static void __exit compal_cleanup(void)
1057{
1058 platform_device_unregister(compal_device);
1059 platform_driver_unregister(&compal_driver);
1060 backlight_device_unregister(compalbl_device);
1061 rfkill_unregister(wifi_rfkill);
1062 rfkill_unregister(bt_rfkill);
1063 rfkill_destroy(wifi_rfkill);
1064 rfkill_destroy(bt_rfkill);
1065
1066 pr_info("Driver unloaded\n");
1067}
1068
1069static int __devexit compal_remove(struct platform_device *pdev)
1070{
1071 struct compal_data *data;
1072
1073 if (!extra_features)
1074 return 0;
1075
1076 pr_info("Unloading: resetting fan control to motherboard\n");
1077 pwm_disable_control();
1078
1079 data = platform_get_drvdata(pdev);
1080 hwmon_device_unregister(data->hwmon_dev);
1081 power_supply_unregister(&data->psy);
1082
1083 platform_set_drvdata(pdev, NULL);
1084 kfree(data);
1085
1086 sysfs_remove_group(&pdev->dev.kobj, &compal_attribute_group);
1087
1088 return 0;
1089}
1090
1091
1092module_init(compal_init);
1093module_exit(compal_cleanup);
1094
1095MODULE_AUTHOR("Cezary Jackiewicz");
1096MODULE_AUTHOR("Roald Frederickx (roald.frederickx@gmail.com)");
1097MODULE_DESCRIPTION("Compal Laptop Support");
1098MODULE_VERSION(DRIVER_VERSION);
1099MODULE_LICENSE("GPL");
1100
1101MODULE_ALIAS("dmi:*:rnIFL90:rvrIFT00:*");
1102MODULE_ALIAS("dmi:*:rnIFL90:rvrREFERENCE:*");
1103MODULE_ALIAS("dmi:*:rnIFL91:rvrIFT00:*");
1104MODULE_ALIAS("dmi:*:rnJFL92:rvrIFT00:*");
1105MODULE_ALIAS("dmi:*:rnIFT00:rvrIFT00:*");
1106MODULE_ALIAS("dmi:*:rnJHL90:rvrREFERENCE:*");
1107MODULE_ALIAS("dmi:*:svnDellInc.:pnInspiron910:*");
1108MODULE_ALIAS("dmi:*:svnDellInc.:pnInspiron1010:*");
1109MODULE_ALIAS("dmi:*:svnDellInc.:pnInspiron1011:*");
1110MODULE_ALIAS("dmi:*:svnDellInc.:pnInspiron1012:*");
1111MODULE_ALIAS("dmi:*:svnDellInc.:pnInspiron1110:*");
1112MODULE_ALIAS("dmi:*:svnDellInc.:pnInspiron1210:*");
1113
