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57
58#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
59
60#include <linux/module.h>
61#include <linux/kernel.h>
62#include <linux/init.h>
63#include <linux/acpi.h>
64#include <linux/dmi.h>
65#include <linux/backlight.h>
66#include <linux/platform_device.h>
67#include <linux/rfkill.h>
68#include <linux/hwmon.h>
69#include <linux/hwmon-sysfs.h>
70#include <linux/power_supply.h>
71#include <linux/fb.h>
72#include <acpi/video.h>
73
74
75
76
77#define DRIVER_NAME "compal-laptop"
78#define DRIVER_VERSION "0.2.7"
79
80#define BACKLIGHT_LEVEL_ADDR 0xB9
81#define BACKLIGHT_LEVEL_MAX 7
82#define BACKLIGHT_STATE_ADDR 0x59
83#define BACKLIGHT_STATE_ON_DATA 0xE1
84#define BACKLIGHT_STATE_OFF_DATA 0xE2
85
86#define WAKE_UP_ADDR 0xA4
87#define WAKE_UP_PME (1 << 0)
88#define WAKE_UP_MODEM (1 << 1)
89#define WAKE_UP_LAN (1 << 2)
90#define WAKE_UP_WLAN (1 << 4)
91#define WAKE_UP_KEY (1 << 6)
92#define WAKE_UP_MOUSE (1 << 7)
93
94#define WIRELESS_ADDR 0xBB
95#define WIRELESS_WLAN (1 << 0)
96#define WIRELESS_BT (1 << 1)
97#define WIRELESS_WLAN_EXISTS (1 << 2)
98#define WIRELESS_BT_EXISTS (1 << 3)
99#define WIRELESS_KILLSWITCH (1 << 4)
100
101#define PWM_ADDRESS 0x46
102#define PWM_DISABLE_ADDR 0x59
103#define PWM_DISABLE_DATA 0xA5
104#define PWM_ENABLE_ADDR 0x59
105#define PWM_ENABLE_DATA 0xA8
106
107#define FAN_ADDRESS 0x46
108#define FAN_DATA 0x81
109#define FAN_FULL_ON_CMD 0x59
110#define FAN_FULL_ON_ENABLE 0x76
111#define FAN_FULL_ON_DISABLE 0x77
112
113#define TEMP_CPU 0xB0
114#define TEMP_CPU_LOCAL 0xB1
115#define TEMP_CPU_DTS 0xB5
116#define TEMP_NORTHBRIDGE 0xB6
117#define TEMP_VGA 0xB4
118#define TEMP_SKIN 0xB2
119
120#define BAT_MANUFACTURER_NAME_ADDR 0x10
121#define BAT_MANUFACTURER_NAME_LEN 9
122#define BAT_MODEL_NAME_ADDR 0x19
123#define BAT_MODEL_NAME_LEN 6
124#define BAT_SERIAL_NUMBER_ADDR 0xC4
125#define BAT_SERIAL_NUMBER_LEN 5
126#define BAT_CHARGE_NOW 0xC2
127#define BAT_CHARGE_DESIGN 0xCA
128#define BAT_VOLTAGE_NOW 0xC6
129#define BAT_VOLTAGE_DESIGN 0xC8
130#define BAT_CURRENT_NOW 0xD0
131#define BAT_CURRENT_AVG 0xD2
132#define BAT_POWER 0xD4
133#define BAT_CAPACITY 0xCE
134#define BAT_TEMP 0xD6
135#define BAT_TEMP_AVG 0xD7
136#define BAT_STATUS0 0xC1
137#define BAT_STATUS1 0xF0
138#define BAT_STATUS2 0xF1
139#define BAT_STOP_CHARGE1 0xF2
140#define BAT_STOP_CHARGE2 0xF3
141#define BAT_CHARGE_LIMIT 0x03
142#define BAT_CHARGE_LIMIT_MAX 100
143
144#define BAT_S0_DISCHARGE (1 << 0)
145#define BAT_S0_DISCHRG_CRITICAL (1 << 2)
146#define BAT_S0_LOW (1 << 3)
147#define BAT_S0_CHARGING (1 << 1)
148#define BAT_S0_AC (1 << 7)
149#define BAT_S1_EXISTS (1 << 0)
150#define BAT_S1_FULL (1 << 1)
151#define BAT_S1_EMPTY (1 << 2)
152#define BAT_S1_LiION_OR_NiMH (1 << 7)
153#define BAT_S2_LOW_LOW (1 << 0)
154#define BAT_STOP_CHRG1_BAD_CELL (1 << 1)
155#define BAT_STOP_CHRG1_COMM_FAIL (1 << 2)
156#define BAT_STOP_CHRG1_OVERVOLTAGE (1 << 6)
157#define BAT_STOP_CHRG1_OVERTEMPERATURE (1 << 7)
158
159
160
161
162
163struct compal_data{
164
165 int pwm_enable;
166 unsigned char curr_pwm;
167
168
169 struct power_supply *psy;
170 struct power_supply_info psy_info;
171 char bat_model_name[BAT_MODEL_NAME_LEN + 1];
172 char bat_manufacturer_name[BAT_MANUFACTURER_NAME_LEN + 1];
173 char bat_serial_number[BAT_SERIAL_NUMBER_LEN + 1];
174};
175
176
177
178
179
180static bool force;
181module_param(force, bool, 0);
182MODULE_PARM_DESC(force, "Force driver load, ignore DMI data");
183
184
185
186static bool extra_features;
187
188
189
190
191
192
193
194
195
196
197
198
199
200static const unsigned char pwm_lookup_table[256] = {
201 0, 0, 0, 1, 1, 1, 2, 253, 254, 3, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6,
202 7, 7, 7, 8, 86, 86, 9, 9, 9, 10, 10, 10, 11, 92, 92, 12, 12, 95,
203 13, 66, 66, 14, 14, 98, 15, 15, 15, 16, 16, 67, 17, 17, 72, 18, 70,
204 75, 19, 90, 90, 73, 73, 73, 21, 21, 91, 91, 91, 96, 23, 94, 94, 94,
205 94, 94, 94, 94, 94, 94, 94, 141, 141, 238, 223, 192, 139, 139, 139,
206 139, 139, 142, 142, 142, 142, 142, 78, 78, 78, 78, 78, 76, 76, 76,
207 76, 76, 79, 79, 79, 79, 79, 79, 79, 20, 20, 20, 20, 20, 22, 22, 22,
208 22, 22, 24, 24, 24, 24, 24, 24, 219, 219, 219, 219, 219, 219, 219,
209 219, 27, 27, 188, 188, 28, 28, 28, 29, 186, 186, 186, 186, 186,
210 186, 186, 186, 186, 186, 31, 31, 31, 31, 31, 32, 32, 32, 41, 33,
211 33, 33, 33, 33, 252, 252, 34, 34, 34, 43, 35, 35, 35, 36, 36, 38,
212 206, 206, 206, 206, 206, 206, 206, 206, 206, 37, 37, 37, 46, 46,
213 47, 47, 232, 232, 232, 232, 232, 232, 232, 232, 232, 232, 48, 48,
214 48, 48, 48, 40, 40, 40, 49, 42, 42, 42, 42, 42, 42, 42, 42, 44,
215 189, 189, 189, 189, 54, 54, 45, 45, 45, 45, 45, 45, 45, 45, 251,
216 191, 199, 199, 199, 199, 199, 215, 215, 215, 215, 187, 187, 187,
217 187, 187, 193, 50
218};
219
220
221
222
223
224
225
226
227static u8 ec_read_u8(u8 addr)
228{
229 u8 value = 0;
230 ec_read(addr, &value);
231 return value;
232}
233
234static s8 ec_read_s8(u8 addr)
235{
236 return (s8)ec_read_u8(addr);
237}
238
239static u16 ec_read_u16(u8 addr)
240{
241 int hi, lo;
242 lo = ec_read_u8(addr);
243 hi = ec_read_u8(addr + 1);
244 return (hi << 8) + lo;
245}
246
247static s16 ec_read_s16(u8 addr)
248{
249 return (s16) ec_read_u16(addr);
250}
251
252static void ec_read_sequence(u8 addr, u8 *buf, int len)
253{
254 int i;
255 for (i = 0; i < len; i++)
256 ec_read(addr + i, buf + i);
257}
258
259
260
261static int set_backlight_level(int level)
262{
263 if (level < 0 || level > BACKLIGHT_LEVEL_MAX)
264 return -EINVAL;
265
266 ec_write(BACKLIGHT_LEVEL_ADDR, level);
267
268 return 0;
269}
270
271static int get_backlight_level(void)
272{
273 return (int) ec_read_u8(BACKLIGHT_LEVEL_ADDR);
274}
275
276static void set_backlight_state(bool on)
277{
278 u8 data = on ? BACKLIGHT_STATE_ON_DATA : BACKLIGHT_STATE_OFF_DATA;
279 ec_transaction(BACKLIGHT_STATE_ADDR, &data, 1, NULL, 0);
280}
281
282
283
284static void pwm_enable_control(void)
285{
286 unsigned char writeData = PWM_ENABLE_DATA;
287 ec_transaction(PWM_ENABLE_ADDR, &writeData, 1, NULL, 0);
288}
289
290static void pwm_disable_control(void)
291{
292 unsigned char writeData = PWM_DISABLE_DATA;
293 ec_transaction(PWM_DISABLE_ADDR, &writeData, 1, NULL, 0);
294}
295
296static void set_pwm(int pwm)
297{
298 ec_transaction(PWM_ADDRESS, &pwm_lookup_table[pwm], 1, NULL, 0);
299}
300
301static int get_fan_rpm(void)
302{
303 u8 value, data = FAN_DATA;
304 ec_transaction(FAN_ADDRESS, &data, 1, &value, 1);
305 return 100 * (int)value;
306}
307
308
309
310
311
312
313
314
315
316static int bl_get_brightness(struct backlight_device *b)
317{
318 return get_backlight_level();
319}
320
321static int bl_update_status(struct backlight_device *b)
322{
323 int ret = set_backlight_level(b->props.brightness);
324 if (ret)
325 return ret;
326
327 set_backlight_state((b->props.power == FB_BLANK_UNBLANK)
328 && !(b->props.state & BL_CORE_SUSPENDED)
329 && !(b->props.state & BL_CORE_FBBLANK));
330 return 0;
331}
332
333static const struct backlight_ops compalbl_ops = {
334 .get_brightness = bl_get_brightness,
335 .update_status = bl_update_status,
336};
337
338
339
340static int compal_rfkill_set(void *data, bool blocked)
341{
342 unsigned long radio = (unsigned long) data;
343 u8 result = ec_read_u8(WIRELESS_ADDR);
344 u8 value;
345
346 if (!blocked)
347 value = (u8) (result | radio);
348 else
349 value = (u8) (result & ~radio);
350 ec_write(WIRELESS_ADDR, value);
351
352 return 0;
353}
354
355static void compal_rfkill_poll(struct rfkill *rfkill, void *data)
356{
357 u8 result = ec_read_u8(WIRELESS_ADDR);
358 bool hw_blocked = !(result & WIRELESS_KILLSWITCH);
359 rfkill_set_hw_state(rfkill, hw_blocked);
360}
361
362static const struct rfkill_ops compal_rfkill_ops = {
363 .poll = compal_rfkill_poll,
364 .set_block = compal_rfkill_set,
365};
366
367
368
369#define SIMPLE_MASKED_STORE_SHOW(NAME, ADDR, MASK) \
370static ssize_t NAME##_show(struct device *dev, \
371 struct device_attribute *attr, char *buf) \
372{ \
373 return sprintf(buf, "%d\n", ((ec_read_u8(ADDR) & MASK) != 0)); \
374} \
375static ssize_t NAME##_store(struct device *dev, \
376 struct device_attribute *attr, const char *buf, size_t count) \
377{ \
378 int state; \
379 u8 old_val = ec_read_u8(ADDR); \
380 if (sscanf(buf, "%d", &state) != 1 || (state < 0 || state > 1)) \
381 return -EINVAL; \
382 ec_write(ADDR, state ? (old_val | MASK) : (old_val & ~MASK)); \
383 return count; \
384}
385
386SIMPLE_MASKED_STORE_SHOW(wake_up_pme, WAKE_UP_ADDR, WAKE_UP_PME)
387SIMPLE_MASKED_STORE_SHOW(wake_up_modem, WAKE_UP_ADDR, WAKE_UP_MODEM)
388SIMPLE_MASKED_STORE_SHOW(wake_up_lan, WAKE_UP_ADDR, WAKE_UP_LAN)
389SIMPLE_MASKED_STORE_SHOW(wake_up_wlan, WAKE_UP_ADDR, WAKE_UP_WLAN)
390SIMPLE_MASKED_STORE_SHOW(wake_up_key, WAKE_UP_ADDR, WAKE_UP_KEY)
391SIMPLE_MASKED_STORE_SHOW(wake_up_mouse, WAKE_UP_ADDR, WAKE_UP_MOUSE)
392
393
394static ssize_t pwm_enable_show(struct device *dev,
395 struct device_attribute *attr, char *buf)
396{
397 struct compal_data *data = dev_get_drvdata(dev);
398 return sprintf(buf, "%d\n", data->pwm_enable);
399}
400
401static ssize_t pwm_enable_store(struct device *dev,
402 struct device_attribute *attr, const char *buf, size_t count)
403{
404 struct compal_data *data = dev_get_drvdata(dev);
405 long val;
406 int err;
407
408 err = kstrtol(buf, 10, &val);
409 if (err)
410 return err;
411 if (val < 0)
412 return -EINVAL;
413
414 data->pwm_enable = val;
415
416 switch (val) {
417 case 0:
418 pwm_enable_control();
419 set_pwm(255);
420 break;
421 case 1:
422 pwm_enable_control();
423 set_pwm(data->curr_pwm);
424 break;
425 default:
426 pwm_disable_control();
427 break;
428 }
429
430 return count;
431}
432
433static ssize_t pwm_show(struct device *dev, struct device_attribute *attr,
434 char *buf)
435{
436 struct compal_data *data = dev_get_drvdata(dev);
437 return sprintf(buf, "%hhu\n", data->curr_pwm);
438}
439
440static ssize_t pwm_store(struct device *dev, struct device_attribute *attr,
441 const char *buf, size_t count)
442{
443 struct compal_data *data = dev_get_drvdata(dev);
444 long val;
445 int err;
446
447 err = kstrtol(buf, 10, &val);
448 if (err)
449 return err;
450 if (val < 0 || val > 255)
451 return -EINVAL;
452
453 data->curr_pwm = val;
454
455 if (data->pwm_enable != 1)
456 return count;
457 set_pwm(val);
458
459 return count;
460}
461
462static ssize_t fan_show(struct device *dev, struct device_attribute *attr,
463 char *buf)
464{
465 return sprintf(buf, "%d\n", get_fan_rpm());
466}
467
468
469
470#define TEMPERATURE_SHOW_TEMP_AND_LABEL(POSTFIX, ADDRESS, LABEL) \
471static ssize_t temp_##POSTFIX(struct device *dev, \
472 struct device_attribute *attr, char *buf) \
473{ \
474 return sprintf(buf, "%d\n", 1000 * (int)ec_read_s8(ADDRESS)); \
475} \
476static ssize_t label_##POSTFIX(struct device *dev, \
477 struct device_attribute *attr, char *buf) \
478{ \
479 return sprintf(buf, "%s\n", LABEL); \
480}
481
482
483TEMPERATURE_SHOW_TEMP_AND_LABEL(cpu, TEMP_CPU, "CPU_TEMP");
484TEMPERATURE_SHOW_TEMP_AND_LABEL(cpu_local, TEMP_CPU_LOCAL, "CPU_TEMP_LOCAL");
485TEMPERATURE_SHOW_TEMP_AND_LABEL(cpu_DTS, TEMP_CPU_DTS, "CPU_DTS");
486TEMPERATURE_SHOW_TEMP_AND_LABEL(northbridge,TEMP_NORTHBRIDGE,"NorthBridge");
487TEMPERATURE_SHOW_TEMP_AND_LABEL(vga, TEMP_VGA, "VGA_TEMP");
488TEMPERATURE_SHOW_TEMP_AND_LABEL(SKIN, TEMP_SKIN, "SKIN_TEMP90");
489
490
491
492static int bat_status(void)
493{
494 u8 status0 = ec_read_u8(BAT_STATUS0);
495 u8 status1 = ec_read_u8(BAT_STATUS1);
496
497 if (status0 & BAT_S0_CHARGING)
498 return POWER_SUPPLY_STATUS_CHARGING;
499 if (status0 & BAT_S0_DISCHARGE)
500 return POWER_SUPPLY_STATUS_DISCHARGING;
501 if (status1 & BAT_S1_FULL)
502 return POWER_SUPPLY_STATUS_FULL;
503 return POWER_SUPPLY_STATUS_NOT_CHARGING;
504}
505
506static int bat_health(void)
507{
508 u8 status = ec_read_u8(BAT_STOP_CHARGE1);
509
510 if (status & BAT_STOP_CHRG1_OVERTEMPERATURE)
511 return POWER_SUPPLY_HEALTH_OVERHEAT;
512 if (status & BAT_STOP_CHRG1_OVERVOLTAGE)
513 return POWER_SUPPLY_HEALTH_OVERVOLTAGE;
514 if (status & BAT_STOP_CHRG1_BAD_CELL)
515 return POWER_SUPPLY_HEALTH_DEAD;
516 if (status & BAT_STOP_CHRG1_COMM_FAIL)
517 return POWER_SUPPLY_HEALTH_UNKNOWN;
518 return POWER_SUPPLY_HEALTH_GOOD;
519}
520
521static int bat_is_present(void)
522{
523 u8 status = ec_read_u8(BAT_STATUS2);
524 return ((status & BAT_S1_EXISTS) != 0);
525}
526
527static int bat_technology(void)
528{
529 u8 status = ec_read_u8(BAT_STATUS1);
530
531 if (status & BAT_S1_LiION_OR_NiMH)
532 return POWER_SUPPLY_TECHNOLOGY_LION;
533 return POWER_SUPPLY_TECHNOLOGY_NiMH;
534}
535
536static int bat_capacity_level(void)
537{
538 u8 status0 = ec_read_u8(BAT_STATUS0);
539 u8 status1 = ec_read_u8(BAT_STATUS1);
540 u8 status2 = ec_read_u8(BAT_STATUS2);
541
542 if (status0 & BAT_S0_DISCHRG_CRITICAL
543 || status1 & BAT_S1_EMPTY
544 || status2 & BAT_S2_LOW_LOW)
545 return POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL;
546 if (status0 & BAT_S0_LOW)
547 return POWER_SUPPLY_CAPACITY_LEVEL_LOW;
548 if (status1 & BAT_S1_FULL)
549 return POWER_SUPPLY_CAPACITY_LEVEL_FULL;
550 return POWER_SUPPLY_CAPACITY_LEVEL_NORMAL;
551}
552
553static int bat_get_property(struct power_supply *psy,
554 enum power_supply_property psp,
555 union power_supply_propval *val)
556{
557 struct compal_data *data = power_supply_get_drvdata(psy);
558
559 switch (psp) {
560 case POWER_SUPPLY_PROP_STATUS:
561 val->intval = bat_status();
562 break;
563 case POWER_SUPPLY_PROP_HEALTH:
564 val->intval = bat_health();
565 break;
566 case POWER_SUPPLY_PROP_PRESENT:
567 val->intval = bat_is_present();
568 break;
569 case POWER_SUPPLY_PROP_TECHNOLOGY:
570 val->intval = bat_technology();
571 break;
572 case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
573 val->intval = ec_read_u16(BAT_VOLTAGE_DESIGN) * 1000;
574 break;
575 case POWER_SUPPLY_PROP_VOLTAGE_NOW:
576 val->intval = ec_read_u16(BAT_VOLTAGE_NOW) * 1000;
577 break;
578 case POWER_SUPPLY_PROP_CURRENT_NOW:
579 val->intval = ec_read_s16(BAT_CURRENT_NOW) * 1000;
580 break;
581 case POWER_SUPPLY_PROP_CURRENT_AVG:
582 val->intval = ec_read_s16(BAT_CURRENT_AVG) * 1000;
583 break;
584 case POWER_SUPPLY_PROP_POWER_NOW:
585 val->intval = ec_read_u8(BAT_POWER) * 1000000;
586 break;
587 case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
588 val->intval = ec_read_u16(BAT_CHARGE_DESIGN) * 1000;
589 break;
590 case POWER_SUPPLY_PROP_CHARGE_NOW:
591 val->intval = ec_read_u16(BAT_CHARGE_NOW) * 1000;
592 break;
593 case POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT:
594 val->intval = ec_read_u8(BAT_CHARGE_LIMIT);
595 break;
596 case POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT_MAX:
597 val->intval = BAT_CHARGE_LIMIT_MAX;
598 break;
599 case POWER_SUPPLY_PROP_CAPACITY:
600 val->intval = ec_read_u8(BAT_CAPACITY);
601 break;
602 case POWER_SUPPLY_PROP_CAPACITY_LEVEL:
603 val->intval = bat_capacity_level();
604 break;
605
606
607
608
609
610 case POWER_SUPPLY_PROP_TEMP:
611 val->intval = ((222 - (int)ec_read_u8(BAT_TEMP)) * 1000) >> 8;
612 break;
613 case POWER_SUPPLY_PROP_TEMP_AMBIENT:
614 val->intval = ec_read_s8(BAT_TEMP_AVG) * 10;
615 break;
616
617 case POWER_SUPPLY_PROP_MODEL_NAME:
618 val->strval = data->bat_model_name;
619 break;
620 case POWER_SUPPLY_PROP_MANUFACTURER:
621 val->strval = data->bat_manufacturer_name;
622 break;
623 case POWER_SUPPLY_PROP_SERIAL_NUMBER:
624 val->strval = data->bat_serial_number;
625 break;
626 default:
627 break;
628 }
629 return 0;
630}
631
632static int bat_set_property(struct power_supply *psy,
633 enum power_supply_property psp,
634 const union power_supply_propval *val)
635{
636 int level;
637
638 switch (psp) {
639 case POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT:
640 level = val->intval;
641 if (level < 0 || level > BAT_CHARGE_LIMIT_MAX)
642 return -EINVAL;
643 if (ec_write(BAT_CHARGE_LIMIT, level) < 0)
644 return -EIO;
645 break;
646 default:
647 break;
648 }
649 return 0;
650}
651
652static int bat_writeable_property(struct power_supply *psy,
653 enum power_supply_property psp)
654{
655 switch (psp) {
656 case POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT:
657 return 1;
658 default:
659 return 0;
660 }
661}
662
663
664
665
666
667
668
669static DEVICE_ATTR_RW(wake_up_pme);
670static DEVICE_ATTR_RW(wake_up_modem);
671static DEVICE_ATTR_RW(wake_up_lan);
672static DEVICE_ATTR_RW(wake_up_wlan);
673static DEVICE_ATTR_RW(wake_up_key);
674static DEVICE_ATTR_RW(wake_up_mouse);
675
676static DEVICE_ATTR(fan1_input, S_IRUGO, fan_show, NULL);
677static DEVICE_ATTR(temp1_input, S_IRUGO, temp_cpu, NULL);
678static DEVICE_ATTR(temp2_input, S_IRUGO, temp_cpu_local, NULL);
679static DEVICE_ATTR(temp3_input, S_IRUGO, temp_cpu_DTS, NULL);
680static DEVICE_ATTR(temp4_input, S_IRUGO, temp_northbridge, NULL);
681static DEVICE_ATTR(temp5_input, S_IRUGO, temp_vga, NULL);
682static DEVICE_ATTR(temp6_input, S_IRUGO, temp_SKIN, NULL);
683static DEVICE_ATTR(temp1_label, S_IRUGO, label_cpu, NULL);
684static DEVICE_ATTR(temp2_label, S_IRUGO, label_cpu_local, NULL);
685static DEVICE_ATTR(temp3_label, S_IRUGO, label_cpu_DTS, NULL);
686static DEVICE_ATTR(temp4_label, S_IRUGO, label_northbridge, NULL);
687static DEVICE_ATTR(temp5_label, S_IRUGO, label_vga, NULL);
688static DEVICE_ATTR(temp6_label, S_IRUGO, label_SKIN, NULL);
689static DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, pwm_show, pwm_store);
690static DEVICE_ATTR(pwm1_enable,
691 S_IRUGO | S_IWUSR, pwm_enable_show, pwm_enable_store);
692
693static struct attribute *compal_platform_attrs[] = {
694 &dev_attr_wake_up_pme.attr,
695 &dev_attr_wake_up_modem.attr,
696 &dev_attr_wake_up_lan.attr,
697 &dev_attr_wake_up_wlan.attr,
698 &dev_attr_wake_up_key.attr,
699 &dev_attr_wake_up_mouse.attr,
700 NULL
701};
702static const struct attribute_group compal_platform_attr_group = {
703 .attrs = compal_platform_attrs
704};
705
706static struct attribute *compal_hwmon_attrs[] = {
707 &dev_attr_pwm1_enable.attr,
708 &dev_attr_pwm1.attr,
709 &dev_attr_fan1_input.attr,
710 &dev_attr_temp1_input.attr,
711 &dev_attr_temp2_input.attr,
712 &dev_attr_temp3_input.attr,
713 &dev_attr_temp4_input.attr,
714 &dev_attr_temp5_input.attr,
715 &dev_attr_temp6_input.attr,
716 &dev_attr_temp1_label.attr,
717 &dev_attr_temp2_label.attr,
718 &dev_attr_temp3_label.attr,
719 &dev_attr_temp4_label.attr,
720 &dev_attr_temp5_label.attr,
721 &dev_attr_temp6_label.attr,
722 NULL
723};
724ATTRIBUTE_GROUPS(compal_hwmon);
725
726static int compal_probe(struct platform_device *);
727static int compal_remove(struct platform_device *);
728static struct platform_driver compal_driver = {
729 .driver = {
730 .name = DRIVER_NAME,
731 },
732 .probe = compal_probe,
733 .remove = compal_remove,
734};
735
736static enum power_supply_property compal_bat_properties[] = {
737 POWER_SUPPLY_PROP_STATUS,
738 POWER_SUPPLY_PROP_HEALTH,
739 POWER_SUPPLY_PROP_PRESENT,
740 POWER_SUPPLY_PROP_TECHNOLOGY,
741 POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
742 POWER_SUPPLY_PROP_VOLTAGE_NOW,
743 POWER_SUPPLY_PROP_CURRENT_NOW,
744 POWER_SUPPLY_PROP_CURRENT_AVG,
745 POWER_SUPPLY_PROP_POWER_NOW,
746 POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
747 POWER_SUPPLY_PROP_CHARGE_NOW,
748 POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT,
749 POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT_MAX,
750 POWER_SUPPLY_PROP_CAPACITY,
751 POWER_SUPPLY_PROP_CAPACITY_LEVEL,
752 POWER_SUPPLY_PROP_TEMP,
753 POWER_SUPPLY_PROP_TEMP_AMBIENT,
754 POWER_SUPPLY_PROP_MODEL_NAME,
755 POWER_SUPPLY_PROP_MANUFACTURER,
756 POWER_SUPPLY_PROP_SERIAL_NUMBER,
757};
758
759static struct backlight_device *compalbl_device;
760
761static struct platform_device *compal_device;
762
763static struct rfkill *wifi_rfkill;
764static struct rfkill *bt_rfkill;
765
766
767
768
769
770
771
772
773
774static int dmi_check_cb(const struct dmi_system_id *id)
775{
776 pr_info("Identified laptop model '%s'\n", id->ident);
777 extra_features = false;
778 return 1;
779}
780
781static int dmi_check_cb_extra(const struct dmi_system_id *id)
782{
783 pr_info("Identified laptop model '%s', enabling extra features\n",
784 id->ident);
785 extra_features = true;
786 return 1;
787}
788
789static const struct dmi_system_id compal_dmi_table[] __initconst = {
790 {
791 .ident = "FL90/IFL90",
792 .matches = {
793 DMI_MATCH(DMI_BOARD_NAME, "IFL90"),
794 DMI_MATCH(DMI_BOARD_VERSION, "IFT00"),
795 },
796 .callback = dmi_check_cb
797 },
798 {
799 .ident = "FL90/IFL90",
800 .matches = {
801 DMI_MATCH(DMI_BOARD_NAME, "IFL90"),
802 DMI_MATCH(DMI_BOARD_VERSION, "REFERENCE"),
803 },
804 .callback = dmi_check_cb
805 },
806 {
807 .ident = "FL91/IFL91",
808 .matches = {
809 DMI_MATCH(DMI_BOARD_NAME, "IFL91"),
810 DMI_MATCH(DMI_BOARD_VERSION, "IFT00"),
811 },
812 .callback = dmi_check_cb
813 },
814 {
815 .ident = "FL92/JFL92",
816 .matches = {
817 DMI_MATCH(DMI_BOARD_NAME, "JFL92"),
818 DMI_MATCH(DMI_BOARD_VERSION, "IFT00"),
819 },
820 .callback = dmi_check_cb
821 },
822 {
823 .ident = "FT00/IFT00",
824 .matches = {
825 DMI_MATCH(DMI_BOARD_NAME, "IFT00"),
826 DMI_MATCH(DMI_BOARD_VERSION, "IFT00"),
827 },
828 .callback = dmi_check_cb
829 },
830 {
831 .ident = "Dell Mini 9",
832 .matches = {
833 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
834 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 910"),
835 },
836 .callback = dmi_check_cb
837 },
838 {
839 .ident = "Dell Mini 10",
840 .matches = {
841 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
842 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1010"),
843 },
844 .callback = dmi_check_cb
845 },
846 {
847 .ident = "Dell Mini 10v",
848 .matches = {
849 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
850 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1011"),
851 },
852 .callback = dmi_check_cb
853 },
854 {
855 .ident = "Dell Mini 1012",
856 .matches = {
857 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
858 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1012"),
859 },
860 .callback = dmi_check_cb
861 },
862 {
863 .ident = "Dell Inspiron 11z",
864 .matches = {
865 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
866 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1110"),
867 },
868 .callback = dmi_check_cb
869 },
870 {
871 .ident = "Dell Mini 12",
872 .matches = {
873 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
874 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1210"),
875 },
876 .callback = dmi_check_cb
877 },
878 {
879 .ident = "JHL90",
880 .matches = {
881 DMI_MATCH(DMI_BOARD_NAME, "JHL90"),
882 DMI_MATCH(DMI_BOARD_VERSION, "REFERENCE"),
883 },
884 .callback = dmi_check_cb_extra
885 },
886 {
887 .ident = "KHLB2",
888 .matches = {
889 DMI_MATCH(DMI_BOARD_NAME, "KHLB2"),
890 DMI_MATCH(DMI_BOARD_VERSION, "REFERENCE"),
891 },
892 .callback = dmi_check_cb_extra
893 },
894 { }
895};
896MODULE_DEVICE_TABLE(dmi, compal_dmi_table);
897
898static const struct power_supply_desc psy_bat_desc = {
899 .name = DRIVER_NAME,
900 .type = POWER_SUPPLY_TYPE_BATTERY,
901 .properties = compal_bat_properties,
902 .num_properties = ARRAY_SIZE(compal_bat_properties),
903 .get_property = bat_get_property,
904 .set_property = bat_set_property,
905 .property_is_writeable = bat_writeable_property,
906};
907
908static void initialize_power_supply_data(struct compal_data *data)
909{
910 ec_read_sequence(BAT_MANUFACTURER_NAME_ADDR,
911 data->bat_manufacturer_name,
912 BAT_MANUFACTURER_NAME_LEN);
913 data->bat_manufacturer_name[BAT_MANUFACTURER_NAME_LEN] = 0;
914
915 ec_read_sequence(BAT_MODEL_NAME_ADDR,
916 data->bat_model_name,
917 BAT_MODEL_NAME_LEN);
918 data->bat_model_name[BAT_MODEL_NAME_LEN] = 0;
919
920 scnprintf(data->bat_serial_number, BAT_SERIAL_NUMBER_LEN + 1, "%d",
921 ec_read_u16(BAT_SERIAL_NUMBER_ADDR));
922}
923
924static void initialize_fan_control_data(struct compal_data *data)
925{
926 data->pwm_enable = 2;
927 data->curr_pwm = 255;
928
929}
930
931static int setup_rfkill(void)
932{
933 int ret;
934
935 wifi_rfkill = rfkill_alloc("compal-wifi", &compal_device->dev,
936 RFKILL_TYPE_WLAN, &compal_rfkill_ops,
937 (void *) WIRELESS_WLAN);
938 if (!wifi_rfkill)
939 return -ENOMEM;
940
941 ret = rfkill_register(wifi_rfkill);
942 if (ret)
943 goto err_wifi;
944
945 bt_rfkill = rfkill_alloc("compal-bluetooth", &compal_device->dev,
946 RFKILL_TYPE_BLUETOOTH, &compal_rfkill_ops,
947 (void *) WIRELESS_BT);
948 if (!bt_rfkill) {
949 ret = -ENOMEM;
950 goto err_allocate_bt;
951 }
952 ret = rfkill_register(bt_rfkill);
953 if (ret)
954 goto err_register_bt;
955
956 return 0;
957
958err_register_bt:
959 rfkill_destroy(bt_rfkill);
960
961err_allocate_bt:
962 rfkill_unregister(wifi_rfkill);
963
964err_wifi:
965 rfkill_destroy(wifi_rfkill);
966
967 return ret;
968}
969
970static int __init compal_init(void)
971{
972 int ret;
973
974 if (acpi_disabled) {
975 pr_err("ACPI needs to be enabled for this driver to work!\n");
976 return -ENODEV;
977 }
978
979 if (!force && !dmi_check_system(compal_dmi_table)) {
980 pr_err("Motherboard not recognized (You could try the module's force-parameter)\n");
981 return -ENODEV;
982 }
983
984 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {
985 struct backlight_properties props;
986 memset(&props, 0, sizeof(struct backlight_properties));
987 props.type = BACKLIGHT_PLATFORM;
988 props.max_brightness = BACKLIGHT_LEVEL_MAX;
989 compalbl_device = backlight_device_register(DRIVER_NAME,
990 NULL, NULL,
991 &compalbl_ops,
992 &props);
993 if (IS_ERR(compalbl_device))
994 return PTR_ERR(compalbl_device);
995 }
996
997 ret = platform_driver_register(&compal_driver);
998 if (ret)
999 goto err_backlight;
1000
1001 compal_device = platform_device_alloc(DRIVER_NAME, -1);
1002 if (!compal_device) {
1003 ret = -ENOMEM;
1004 goto err_platform_driver;
1005 }
1006
1007 ret = platform_device_add(compal_device);
1008 if (ret)
1009 goto err_platform_device;
1010
1011 ret = setup_rfkill();
1012 if (ret)
1013 goto err_rfkill;
1014
1015 pr_info("Driver " DRIVER_VERSION " successfully loaded\n");
1016 return 0;
1017
1018err_rfkill:
1019 platform_device_del(compal_device);
1020
1021err_platform_device:
1022 platform_device_put(compal_device);
1023
1024err_platform_driver:
1025 platform_driver_unregister(&compal_driver);
1026
1027err_backlight:
1028 backlight_device_unregister(compalbl_device);
1029
1030 return ret;
1031}
1032
1033static int compal_probe(struct platform_device *pdev)
1034{
1035 int err;
1036 struct compal_data *data;
1037 struct device *hwmon_dev;
1038 struct power_supply_config psy_cfg = {};
1039
1040 if (!extra_features)
1041 return 0;
1042
1043
1044 data = devm_kzalloc(&pdev->dev, sizeof(struct compal_data), GFP_KERNEL);
1045 if (!data)
1046 return -ENOMEM;
1047
1048 initialize_fan_control_data(data);
1049
1050 err = sysfs_create_group(&pdev->dev.kobj, &compal_platform_attr_group);
1051 if (err)
1052 return err;
1053
1054 hwmon_dev = devm_hwmon_device_register_with_groups(&pdev->dev,
1055 "compal", data,
1056 compal_hwmon_groups);
1057 if (IS_ERR(hwmon_dev)) {
1058 err = PTR_ERR(hwmon_dev);
1059 goto remove;
1060 }
1061
1062
1063 initialize_power_supply_data(data);
1064 psy_cfg.drv_data = data;
1065 data->psy = power_supply_register(&compal_device->dev, &psy_bat_desc,
1066 &psy_cfg);
1067 if (IS_ERR(data->psy)) {
1068 err = PTR_ERR(data->psy);
1069 goto remove;
1070 }
1071
1072 platform_set_drvdata(pdev, data);
1073
1074 return 0;
1075
1076remove:
1077 sysfs_remove_group(&pdev->dev.kobj, &compal_platform_attr_group);
1078 return err;
1079}
1080
1081static void __exit compal_cleanup(void)
1082{
1083 platform_device_unregister(compal_device);
1084 platform_driver_unregister(&compal_driver);
1085 backlight_device_unregister(compalbl_device);
1086 rfkill_unregister(wifi_rfkill);
1087 rfkill_unregister(bt_rfkill);
1088 rfkill_destroy(wifi_rfkill);
1089 rfkill_destroy(bt_rfkill);
1090
1091 pr_info("Driver unloaded\n");
1092}
1093
1094static int compal_remove(struct platform_device *pdev)
1095{
1096 struct compal_data *data;
1097
1098 if (!extra_features)
1099 return 0;
1100
1101 pr_info("Unloading: resetting fan control to motherboard\n");
1102 pwm_disable_control();
1103
1104 data = platform_get_drvdata(pdev);
1105 power_supply_unregister(data->psy);
1106
1107 sysfs_remove_group(&pdev->dev.kobj, &compal_platform_attr_group);
1108
1109 return 0;
1110}
1111
1112
1113module_init(compal_init);
1114module_exit(compal_cleanup);
1115
1116MODULE_AUTHOR("Cezary Jackiewicz");
1117MODULE_AUTHOR("Roald Frederickx (roald.frederickx@gmail.com)");
1118MODULE_DESCRIPTION("Compal Laptop Support");
1119MODULE_VERSION(DRIVER_VERSION);
1120MODULE_LICENSE("GPL");
1121
