tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Power supply driver for testing.
4 *
5 * Copyright 2010 Anton Vorontsov <cbouatmailru@gmail.com>
6 *
7 * Dynamic module parameter code from the Virtual Battery Driver
8 * Copyright (C) 2008 Pylone, Inc.
9 * By: Masashi YOKOTA <yokota@pylone.jp>
10 * Originally found here:
11 * http://downloads.pylone.jp/src/virtual_battery/virtual_battery-0.0.1.tar.bz2
12 */
13
14#include <linux/kernel.h>
15#include <linux/module.h>
16#include <linux/power_supply.h>
17#include <linux/errno.h>
18#include <linux/delay.h>
19#include <generated/utsrelease.h>
20
21enum test_power_id {
22 TEST_AC,
23 TEST_BATTERY,
24 TEST_USB,
25 TEST_POWER_NUM,
26};
27
28static int ac_online = 1;
29static int usb_online = 1;
30static int battery_status = POWER_SUPPLY_STATUS_DISCHARGING;
31static int battery_health = POWER_SUPPLY_HEALTH_GOOD;
32static int battery_present = 1; /* true */
33static int battery_technology = POWER_SUPPLY_TECHNOLOGY_LION;
34static int battery_capacity = 50;
35static int battery_voltage = 3300;
36static int battery_charge_counter = -1000;
37static int battery_current = -1600;
38static enum power_supply_charge_behaviour battery_charge_behaviour =
39 POWER_SUPPLY_CHARGE_BEHAVIOUR_AUTO;
40static enum power_supply_charge_type battery_charge_types =
41 POWER_SUPPLY_CHARGE_TYPE_STANDARD;
42static bool battery_extension;
43
44static bool module_initialized;
45
46static int test_power_get_ac_property(struct power_supply *psy,
47 enum power_supply_property psp,
48 union power_supply_propval *val)
49{
50 switch (psp) {
51 case POWER_SUPPLY_PROP_ONLINE:
52 val->intval = ac_online;
53 break;
54 default:
55 return -EINVAL;
56 }
57 return 0;
58}
59
60static int test_power_get_usb_property(struct power_supply *psy,
61 enum power_supply_property psp,
62 union power_supply_propval *val)
63{
64 switch (psp) {
65 case POWER_SUPPLY_PROP_ONLINE:
66 val->intval = usb_online;
67 break;
68 default:
69 return -EINVAL;
70 }
71 return 0;
72}
73
74static int test_power_get_battery_property(struct power_supply *psy,
75 enum power_supply_property psp,
76 union power_supply_propval *val)
77{
78 switch (psp) {
79 case POWER_SUPPLY_PROP_MODEL_NAME:
80 val->strval = "Test battery";
81 break;
82 case POWER_SUPPLY_PROP_MANUFACTURER:
83 val->strval = "Linux";
84 break;
85 case POWER_SUPPLY_PROP_SERIAL_NUMBER:
86 val->strval = UTS_RELEASE;
87 break;
88 case POWER_SUPPLY_PROP_STATUS:
89 val->intval = battery_status;
90 break;
91 case POWER_SUPPLY_PROP_CHARGE_TYPE:
92 val->intval = battery_charge_types;
93 break;
94 case POWER_SUPPLY_PROP_HEALTH:
95 val->intval = battery_health;
96 break;
97 case POWER_SUPPLY_PROP_PRESENT:
98 val->intval = battery_present;
99 break;
100 case POWER_SUPPLY_PROP_TECHNOLOGY:
101 val->intval = battery_technology;
102 break;
103 case POWER_SUPPLY_PROP_CAPACITY_LEVEL:
104 val->intval = POWER_SUPPLY_CAPACITY_LEVEL_NORMAL;
105 break;
106 case POWER_SUPPLY_PROP_CAPACITY:
107 case POWER_SUPPLY_PROP_CHARGE_NOW:
108 val->intval = battery_capacity;
109 break;
110 case POWER_SUPPLY_PROP_CHARGE_COUNTER:
111 val->intval = battery_charge_counter;
112 break;
113 case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
114 case POWER_SUPPLY_PROP_CHARGE_FULL:
115 val->intval = 100;
116 break;
117 case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG:
118 case POWER_SUPPLY_PROP_TIME_TO_FULL_NOW:
119 val->intval = 3600;
120 break;
121 case POWER_SUPPLY_PROP_TEMP:
122 val->intval = 26;
123 break;
124 case POWER_SUPPLY_PROP_VOLTAGE_NOW:
125 val->intval = battery_voltage;
126 break;
127 case POWER_SUPPLY_PROP_CURRENT_AVG:
128 case POWER_SUPPLY_PROP_CURRENT_NOW:
129 val->intval = battery_current;
130 break;
131 case POWER_SUPPLY_PROP_CHARGE_BEHAVIOUR:
132 val->intval = battery_charge_behaviour;
133 break;
134 case POWER_SUPPLY_PROP_CHARGE_TYPES:
135 val->intval = battery_charge_types;
136 break;
137 default:
138 pr_info("%s: some properties deliberately report errors.\n",
139 __func__);
140 return -EINVAL;
141 }
142 return 0;
143}
144
145static int test_power_battery_property_is_writeable(struct power_supply *psy,
146 enum power_supply_property psp)
147{
148 return psp == POWER_SUPPLY_PROP_CHARGE_BEHAVIOUR || psp == POWER_SUPPLY_PROP_CHARGE_TYPES;
149}
150
151static int test_power_set_battery_property(struct power_supply *psy,
152 enum power_supply_property psp,
153 const union power_supply_propval *val)
154{
155 switch (psp) {
156 case POWER_SUPPLY_PROP_CHARGE_BEHAVIOUR:
157 if (val->intval < 0 ||
158 val->intval >= BITS_PER_TYPE(typeof(psy->desc->charge_behaviours)) ||
159 !(BIT(val->intval) & psy->desc->charge_behaviours)) {
160 return -EINVAL;
161 }
162 battery_charge_behaviour = val->intval;
163 break;
164 case POWER_SUPPLY_PROP_CHARGE_TYPES:
165 if (val->intval < 0 ||
166 val->intval >= BITS_PER_TYPE(typeof(psy->desc->charge_types)) ||
167 !(BIT(val->intval) & psy->desc->charge_types)) {
168 return -EINVAL;
169 }
170 battery_charge_types = val->intval;
171 break;
172 default:
173 return -EINVAL;
174 }
175 return 0;
176}
177
178static enum power_supply_property test_power_ac_props[] = {
179 POWER_SUPPLY_PROP_ONLINE,
180};
181
182static enum power_supply_property test_power_battery_props[] = {
183 POWER_SUPPLY_PROP_STATUS,
184 POWER_SUPPLY_PROP_CHARGE_TYPE,
185 POWER_SUPPLY_PROP_HEALTH,
186 POWER_SUPPLY_PROP_PRESENT,
187 POWER_SUPPLY_PROP_TECHNOLOGY,
188 POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
189 POWER_SUPPLY_PROP_CHARGE_FULL,
190 POWER_SUPPLY_PROP_CHARGE_NOW,
191 POWER_SUPPLY_PROP_CHARGE_COUNTER,
192 POWER_SUPPLY_PROP_CAPACITY,
193 POWER_SUPPLY_PROP_CAPACITY_LEVEL,
194 POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
195 POWER_SUPPLY_PROP_TIME_TO_FULL_NOW,
196 POWER_SUPPLY_PROP_MODEL_NAME,
197 POWER_SUPPLY_PROP_MANUFACTURER,
198 POWER_SUPPLY_PROP_SERIAL_NUMBER,
199 POWER_SUPPLY_PROP_TEMP,
200 POWER_SUPPLY_PROP_VOLTAGE_NOW,
201 POWER_SUPPLY_PROP_CURRENT_AVG,
202 POWER_SUPPLY_PROP_CURRENT_NOW,
203 POWER_SUPPLY_PROP_CHARGE_BEHAVIOUR,
204 POWER_SUPPLY_PROP_CHARGE_TYPES,
205};
206
207static char *test_power_ac_supplied_to[] = {
208 "test_battery",
209};
210
211static struct power_supply *test_power_supplies[TEST_POWER_NUM];
212
213static const struct power_supply_desc test_power_desc[] = {
214 [TEST_AC] = {
215 .name = "test_ac",
216 .type = POWER_SUPPLY_TYPE_MAINS,
217 .properties = test_power_ac_props,
218 .num_properties = ARRAY_SIZE(test_power_ac_props),
219 .get_property = test_power_get_ac_property,
220 },
221 [TEST_BATTERY] = {
222 .name = "test_battery",
223 .type = POWER_SUPPLY_TYPE_BATTERY,
224 .properties = test_power_battery_props,
225 .num_properties = ARRAY_SIZE(test_power_battery_props),
226 .get_property = test_power_get_battery_property,
227 .set_property = test_power_set_battery_property,
228 .property_is_writeable = test_power_battery_property_is_writeable,
229 .charge_behaviours = BIT(POWER_SUPPLY_CHARGE_BEHAVIOUR_AUTO)
230 | BIT(POWER_SUPPLY_CHARGE_BEHAVIOUR_INHIBIT_CHARGE)
231 | BIT(POWER_SUPPLY_CHARGE_BEHAVIOUR_INHIBIT_CHARGE_AWAKE)
232 | BIT(POWER_SUPPLY_CHARGE_BEHAVIOUR_FORCE_DISCHARGE),
233 .charge_types = BIT(POWER_SUPPLY_CHARGE_TYPE_STANDARD)
234 | BIT(POWER_SUPPLY_CHARGE_TYPE_LONGLIFE)
235 },
236 [TEST_USB] = {
237 .name = "test_usb",
238 .type = POWER_SUPPLY_TYPE_USB,
239 .properties = test_power_ac_props,
240 .num_properties = ARRAY_SIZE(test_power_ac_props),
241 .get_property = test_power_get_usb_property,
242 },
243};
244
245static const struct power_supply_config test_power_configs[] = {
246 {
247 /* test_ac */
248 .supplied_to = test_power_ac_supplied_to,
249 .num_supplicants = ARRAY_SIZE(test_power_ac_supplied_to),
250 }, {
251 /* test_battery */
252 }, {
253 /* test_usb */
254 .supplied_to = test_power_ac_supplied_to,
255 .num_supplicants = ARRAY_SIZE(test_power_ac_supplied_to),
256 },
257};
258
259static int test_power_battery_extmanufacture_year = 1234;
260static int test_power_battery_exttemp_max = 1000;
261static const enum power_supply_property test_power_battery_extprops[] = {
262 POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW,
263 POWER_SUPPLY_PROP_MANUFACTURE_YEAR,
264 POWER_SUPPLY_PROP_TEMP_MAX,
265};
266
267static int test_power_battery_extget_property(struct power_supply *psy,
268 const struct power_supply_ext *ext,
269 void *ext_data,
270 enum power_supply_property psp,
271 union power_supply_propval *val)
272{
273 switch (psp) {
274 case POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW:
275 return power_supply_get_property_direct(psy, POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
276 val);
277 case POWER_SUPPLY_PROP_MANUFACTURE_YEAR:
278 val->intval = test_power_battery_extmanufacture_year;
279 break;
280 case POWER_SUPPLY_PROP_TEMP_MAX:
281 val->intval = test_power_battery_exttemp_max;
282 break;
283 default:
284 return -EINVAL;
285 }
286 return 0;
287}
288
289static int test_power_battery_extset_property(struct power_supply *psy,
290 const struct power_supply_ext *ext,
291 void *ext_data,
292 enum power_supply_property psp,
293 const union power_supply_propval *val)
294{
295 switch (psp) {
296 case POWER_SUPPLY_PROP_MANUFACTURE_YEAR:
297 test_power_battery_extmanufacture_year = val->intval;
298 break;
299 case POWER_SUPPLY_PROP_TEMP_MAX:
300 test_power_battery_exttemp_max = val->intval;
301 break;
302 default:
303 return -EINVAL;
304 }
305 return 0;
306}
307
308static int test_power_battery_extproperty_is_writeable(struct power_supply *psy,
309 const struct power_supply_ext *ext,
310 void *ext_data,
311 enum power_supply_property psp)
312{
313 return true;
314}
315
316static const struct power_supply_ext test_power_battery_ext = {
317 .name = "test_power",
318 .properties = test_power_battery_extprops,
319 .num_properties = ARRAY_SIZE(test_power_battery_extprops),
320 .get_property = test_power_battery_extget_property,
321 .set_property = test_power_battery_extset_property,
322 .property_is_writeable = test_power_battery_extproperty_is_writeable,
323};
324
325static void test_power_configure_battery_extension(bool enable)
326{
327 struct power_supply *psy;
328
329 psy = test_power_supplies[TEST_BATTERY];
330
331 if (enable) {
332 if (power_supply_register_extension(psy, &test_power_battery_ext, &psy->dev,
333 NULL)) {
334 pr_err("registering battery extension failed\n");
335 return;
336 }
337 } else {
338 power_supply_unregister_extension(psy, &test_power_battery_ext);
339 }
340
341 battery_extension = enable;
342}
343
344static int __init test_power_init(void)
345{
346 int i;
347 int ret;
348
349 BUILD_BUG_ON(TEST_POWER_NUM != ARRAY_SIZE(test_power_supplies));
350 BUILD_BUG_ON(TEST_POWER_NUM != ARRAY_SIZE(test_power_configs));
351
352 for (i = 0; i < ARRAY_SIZE(test_power_supplies); i++) {
353 test_power_supplies[i] = power_supply_register(NULL,
354 &test_power_desc[i],
355 &test_power_configs[i]);
356 if (IS_ERR(test_power_supplies[i])) {
357 pr_err("%s: failed to register %s\n", __func__,
358 test_power_desc[i].name);
359 ret = PTR_ERR(test_power_supplies[i]);
360 goto failed;
361 }
362 }
363
364 test_power_configure_battery_extension(true);
365
366 module_initialized = true;
367 return 0;
368failed:
369 while (--i >= 0)
370 power_supply_unregister(test_power_supplies[i]);
371 return ret;
372}
373module_init(test_power_init);
374
375static void __exit test_power_exit(void)
376{
377 int i;
378
379 /* Let's see how we handle changes... */
380 ac_online = 0;
381 usb_online = 0;
382 battery_status = POWER_SUPPLY_STATUS_DISCHARGING;
383 for (i = 0; i < ARRAY_SIZE(test_power_supplies); i++)
384 power_supply_changed(test_power_supplies[i]);
385 pr_info("%s: 'changed' event sent, sleeping for 10 seconds...\n",
386 __func__);
387 ssleep(10);
388
389 for (i = 0; i < ARRAY_SIZE(test_power_supplies); i++)
390 power_supply_unregister(test_power_supplies[i]);
391
392 module_initialized = false;
393}
394module_exit(test_power_exit);
395
396
397
398#define MAX_KEYLENGTH 256
399struct battery_property_map {
400 int value;
401 char const *key;
402};
403
404static struct battery_property_map map_ac_online[] = {
405 { 0, "off" },
406 { 1, "on" },
407 { -1, NULL },
408};
409
410static struct battery_property_map map_status[] = {
411 { POWER_SUPPLY_STATUS_CHARGING, "charging" },
412 { POWER_SUPPLY_STATUS_DISCHARGING, "discharging" },
413 { POWER_SUPPLY_STATUS_NOT_CHARGING, "not-charging" },
414 { POWER_SUPPLY_STATUS_FULL, "full" },
415 { -1, NULL },
416};
417
418static struct battery_property_map map_health[] = {
419 { POWER_SUPPLY_HEALTH_GOOD, "good" },
420 { POWER_SUPPLY_HEALTH_OVERHEAT, "overheat" },
421 { POWER_SUPPLY_HEALTH_DEAD, "dead" },
422 { POWER_SUPPLY_HEALTH_OVERVOLTAGE, "overvoltage" },
423 { POWER_SUPPLY_HEALTH_UNSPEC_FAILURE, "failure" },
424 { -1, NULL },
425};
426
427static struct battery_property_map map_present[] = {
428 { 0, "false" },
429 { 1, "true" },
430 { -1, NULL },
431};
432
433static struct battery_property_map map_technology[] = {
434 { POWER_SUPPLY_TECHNOLOGY_NiMH, "NiMH" },
435 { POWER_SUPPLY_TECHNOLOGY_LION, "LION" },
436 { POWER_SUPPLY_TECHNOLOGY_LIPO, "LIPO" },
437 { POWER_SUPPLY_TECHNOLOGY_LiFe, "LiFe" },
438 { POWER_SUPPLY_TECHNOLOGY_NiCd, "NiCd" },
439 { POWER_SUPPLY_TECHNOLOGY_LiMn, "LiMn" },
440 { -1, NULL },
441};
442
443
444static int map_get_value(struct battery_property_map *map, const char *key,
445 int def_val)
446{
447 char buf[MAX_KEYLENGTH];
448 int cr;
449
450 strscpy(buf, key, MAX_KEYLENGTH);
451
452 cr = strnlen(buf, MAX_KEYLENGTH) - 1;
453 if (cr < 0)
454 return def_val;
455 if (buf[cr] == '\n')
456 buf[cr] = '\0';
457
458 while (map->key) {
459 if (strncasecmp(map->key, buf, MAX_KEYLENGTH) == 0)
460 return map->value;
461 map++;
462 }
463
464 return def_val;
465}
466
467
468static const char *map_get_key(struct battery_property_map *map, int value,
469 const char *def_key)
470{
471 while (map->key) {
472 if (map->value == value)
473 return map->key;
474 map++;
475 }
476
477 return def_key;
478}
479
480static inline void signal_power_supply_changed(struct power_supply *psy)
481{
482 if (module_initialized)
483 power_supply_changed(psy);
484}
485
486static int param_set_ac_online(const char *key, const struct kernel_param *kp)
487{
488 ac_online = map_get_value(map_ac_online, key, ac_online);
489 signal_power_supply_changed(test_power_supplies[TEST_AC]);
490 return 0;
491}
492
493static int param_get_ac_online(char *buffer, const struct kernel_param *kp)
494{
495 return sprintf(buffer, "%s\n",
496 map_get_key(map_ac_online, ac_online, "unknown"));
497}
498
499static int param_set_usb_online(const char *key, const struct kernel_param *kp)
500{
501 usb_online = map_get_value(map_ac_online, key, usb_online);
502 signal_power_supply_changed(test_power_supplies[TEST_USB]);
503 return 0;
504}
505
506static int param_get_usb_online(char *buffer, const struct kernel_param *kp)
507{
508 return sprintf(buffer, "%s\n",
509 map_get_key(map_ac_online, usb_online, "unknown"));
510}
511
512static int param_set_battery_status(const char *key,
513 const struct kernel_param *kp)
514{
515 battery_status = map_get_value(map_status, key, battery_status);
516 signal_power_supply_changed(test_power_supplies[TEST_BATTERY]);
517 return 0;
518}
519
520static int param_get_battery_status(char *buffer, const struct kernel_param *kp)
521{
522 return sprintf(buffer, "%s\n",
523 map_get_key(map_ac_online, battery_status, "unknown"));
524}
525
526static int param_set_battery_health(const char *key,
527 const struct kernel_param *kp)
528{
529 battery_health = map_get_value(map_health, key, battery_health);
530 signal_power_supply_changed(test_power_supplies[TEST_BATTERY]);
531 return 0;
532}
533
534static int param_get_battery_health(char *buffer, const struct kernel_param *kp)
535{
536 return sprintf(buffer, "%s\n",
537 map_get_key(map_ac_online, battery_health, "unknown"));
538}
539
540static int param_set_battery_present(const char *key,
541 const struct kernel_param *kp)
542{
543 battery_present = map_get_value(map_present, key, battery_present);
544 signal_power_supply_changed(test_power_supplies[TEST_AC]);
545 return 0;
546}
547
548static int param_get_battery_present(char *buffer,
549 const struct kernel_param *kp)
550{
551 return sprintf(buffer, "%s\n",
552 map_get_key(map_ac_online, battery_present, "unknown"));
553}
554
555static int param_set_battery_technology(const char *key,
556 const struct kernel_param *kp)
557{
558 battery_technology = map_get_value(map_technology, key,
559 battery_technology);
560 signal_power_supply_changed(test_power_supplies[TEST_BATTERY]);
561 return 0;
562}
563
564static int param_get_battery_technology(char *buffer,
565 const struct kernel_param *kp)
566{
567 return sprintf(buffer, "%s\n",
568 map_get_key(map_ac_online, battery_technology,
569 "unknown"));
570}
571
572static int param_set_battery_capacity(const char *key,
573 const struct kernel_param *kp)
574{
575 int tmp;
576
577 if (1 != sscanf(key, "%d", &tmp))
578 return -EINVAL;
579
580 battery_capacity = tmp;
581 signal_power_supply_changed(test_power_supplies[TEST_BATTERY]);
582 return 0;
583}
584
585#define param_get_battery_capacity param_get_int
586
587static int param_set_battery_voltage(const char *key,
588 const struct kernel_param *kp)
589{
590 int tmp;
591
592 if (1 != sscanf(key, "%d", &tmp))
593 return -EINVAL;
594
595 battery_voltage = tmp;
596 signal_power_supply_changed(test_power_supplies[TEST_BATTERY]);
597 return 0;
598}
599
600#define param_get_battery_voltage param_get_int
601
602static int param_set_battery_charge_counter(const char *key,
603 const struct kernel_param *kp)
604{
605 int tmp;
606
607 if (1 != sscanf(key, "%d", &tmp))
608 return -EINVAL;
609
610 battery_charge_counter = tmp;
611 signal_power_supply_changed(test_power_supplies[TEST_BATTERY]);
612 return 0;
613}
614
615#define param_get_battery_charge_counter param_get_int
616
617static int param_set_battery_current(const char *key,
618 const struct kernel_param *kp)
619{
620 int tmp;
621
622 if (1 != sscanf(key, "%d", &tmp))
623 return -EINVAL;
624
625 battery_current = tmp;
626 signal_power_supply_changed(test_power_supplies[TEST_BATTERY]);
627 return 0;
628}
629
630#define param_get_battery_current param_get_int
631
632static int param_set_battery_extension(const char *key,
633 const struct kernel_param *kp)
634{
635 bool prev_battery_extension;
636 int ret;
637
638 prev_battery_extension = battery_extension;
639
640 ret = param_set_bool(key, kp);
641 if (ret)
642 return ret;
643
644 if (prev_battery_extension != battery_extension)
645 test_power_configure_battery_extension(battery_extension);
646
647 return 0;
648}
649
650#define param_get_battery_extension param_get_bool
651
652static const struct kernel_param_ops param_ops_ac_online = {
653 .set = param_set_ac_online,
654 .get = param_get_ac_online,
655};
656
657static const struct kernel_param_ops param_ops_usb_online = {
658 .set = param_set_usb_online,
659 .get = param_get_usb_online,
660};
661
662static const struct kernel_param_ops param_ops_battery_status = {
663 .set = param_set_battery_status,
664 .get = param_get_battery_status,
665};
666
667static const struct kernel_param_ops param_ops_battery_present = {
668 .set = param_set_battery_present,
669 .get = param_get_battery_present,
670};
671
672static const struct kernel_param_ops param_ops_battery_technology = {
673 .set = param_set_battery_technology,
674 .get = param_get_battery_technology,
675};
676
677static const struct kernel_param_ops param_ops_battery_health = {
678 .set = param_set_battery_health,
679 .get = param_get_battery_health,
680};
681
682static const struct kernel_param_ops param_ops_battery_capacity = {
683 .set = param_set_battery_capacity,
684 .get = param_get_battery_capacity,
685};
686
687static const struct kernel_param_ops param_ops_battery_voltage = {
688 .set = param_set_battery_voltage,
689 .get = param_get_battery_voltage,
690};
691
692static const struct kernel_param_ops param_ops_battery_charge_counter = {
693 .set = param_set_battery_charge_counter,
694 .get = param_get_battery_charge_counter,
695};
696
697static const struct kernel_param_ops param_ops_battery_current = {
698 .set = param_set_battery_current,
699 .get = param_get_battery_current,
700};
701
702static const struct kernel_param_ops param_ops_battery_extension = {
703 .set = param_set_battery_extension,
704 .get = param_get_battery_extension,
705};
706
707#define param_check_ac_online(name, p) __param_check(name, p, void);
708#define param_check_usb_online(name, p) __param_check(name, p, void);
709#define param_check_battery_status(name, p) __param_check(name, p, void);
710#define param_check_battery_present(name, p) __param_check(name, p, void);
711#define param_check_battery_technology(name, p) __param_check(name, p, void);
712#define param_check_battery_health(name, p) __param_check(name, p, void);
713#define param_check_battery_capacity(name, p) __param_check(name, p, void);
714#define param_check_battery_voltage(name, p) __param_check(name, p, void);
715#define param_check_battery_charge_counter(name, p) __param_check(name, p, void);
716#define param_check_battery_current(name, p) __param_check(name, p, void);
717#define param_check_battery_extension(name, p) __param_check(name, p, void);
718
719
720module_param(ac_online, ac_online, 0644);
721MODULE_PARM_DESC(ac_online, "AC charging state <on|off>");
722
723module_param(usb_online, usb_online, 0644);
724MODULE_PARM_DESC(usb_online, "USB charging state <on|off>");
725
726module_param(battery_status, battery_status, 0644);
727MODULE_PARM_DESC(battery_status,
728 "battery status <charging|discharging|not-charging|full>");
729
730module_param(battery_present, battery_present, 0644);
731MODULE_PARM_DESC(battery_present,
732 "battery presence state <good|overheat|dead|overvoltage|failure>");
733
734module_param(battery_technology, battery_technology, 0644);
735MODULE_PARM_DESC(battery_technology,
736 "battery technology <NiMH|LION|LIPO|LiFe|NiCd|LiMn>");
737
738module_param(battery_health, battery_health, 0644);
739MODULE_PARM_DESC(battery_health,
740 "battery health state <good|overheat|dead|overvoltage|failure>");
741
742module_param(battery_capacity, battery_capacity, 0644);
743MODULE_PARM_DESC(battery_capacity, "battery capacity (percentage)");
744
745module_param(battery_voltage, battery_voltage, 0644);
746MODULE_PARM_DESC(battery_voltage, "battery voltage (millivolts)");
747
748module_param(battery_charge_counter, battery_charge_counter, 0644);
749MODULE_PARM_DESC(battery_charge_counter,
750 "battery charge counter (microampere-hours)");
751
752module_param(battery_current, battery_current, 0644);
753MODULE_PARM_DESC(battery_current, "battery current (milliampere)");
754
755module_param(battery_extension, battery_extension, 0644);
756MODULE_PARM_DESC(battery_extension, "battery extension");
757
758MODULE_DESCRIPTION("Power supply driver for testing");
759MODULE_AUTHOR("Anton Vorontsov <cbouatmailru@gmail.com>");
760MODULE_LICENSE("GPL");