1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
4 * Copyright (c) 2022, Linaro Ltd
5 * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
6 */
7#include <linux/auxiliary_bus.h>
8#include <linux/module.h>
9#include <linux/mutex.h>
10#include <linux/nvmem-consumer.h>
11#include <linux/of_device.h>
12#include <linux/power_supply.h>
13#include <linux/property.h>
14#include <linux/soc/qcom/pdr.h>
15#include <linux/soc/qcom/pmic_glink.h>
16#include <linux/math.h>
17#include <linux/units.h>
18
19#define BATTMGR_CHEMISTRY_LEN 4
20#define BATTMGR_STRING_LEN 128
21
22enum qcom_battmgr_variant {
23 QCOM_BATTMGR_SC8280XP,
24 QCOM_BATTMGR_SM8350,
25 QCOM_BATTMGR_SM8550,
26 QCOM_BATTMGR_X1E80100,
27};
28
29#define BATTMGR_BAT_STATUS 0x1
30
31#define BATTMGR_REQUEST_NOTIFICATION 0x4
32
33#define BATTMGR_NOTIFICATION 0x7
34#define NOTIF_BAT_PROPERTY 0x30
35#define NOTIF_USB_PROPERTY 0x32
36#define NOTIF_WLS_PROPERTY 0x34
37#define NOTIF_BAT_STATUS 0x80
38#define NOTIF_BAT_INFO 0x81
39#define NOTIF_BAT_CHARGING_STATE 0x83
40
41#define BATTMGR_BAT_INFO 0x9
42
43#define BATTMGR_BAT_DISCHARGE_TIME 0xc
44
45#define BATTMGR_BAT_CHARGE_TIME 0xd
46
47#define BATTMGR_BAT_PROPERTY_GET 0x30
48#define BATTMGR_BAT_PROPERTY_SET 0x31
49#define BATT_STATUS 0
50#define BATT_HEALTH 1
51#define BATT_PRESENT 2
52#define BATT_CHG_TYPE 3
53#define BATT_CAPACITY 4
54#define BATT_SOH 5
55#define BATT_VOLT_OCV 6
56#define BATT_VOLT_NOW 7
57#define BATT_VOLT_MAX 8
58#define BATT_CURR_NOW 9
59#define BATT_CHG_CTRL_LIM 10
60#define BATT_CHG_CTRL_LIM_MAX 11
61#define BATT_TEMP 12
62#define BATT_TECHNOLOGY 13
63#define BATT_CHG_COUNTER 14
64#define BATT_CYCLE_COUNT 15
65#define BATT_CHG_FULL_DESIGN 16
66#define BATT_CHG_FULL 17
67#define BATT_MODEL_NAME 18
68#define BATT_TTF_AVG 19
69#define BATT_TTE_AVG 20
70#define BATT_RESISTANCE 21
71#define BATT_POWER_NOW 22
72#define BATT_POWER_AVG 23
73#define BATT_CHG_CTRL_EN 24
74#define BATT_CHG_CTRL_START_THR 25
75#define BATT_CHG_CTRL_END_THR 26
76
77#define BATTMGR_USB_PROPERTY_GET 0x32
78#define BATTMGR_USB_PROPERTY_SET 0x33
79#define USB_ONLINE 0
80#define USB_VOLT_NOW 1
81#define USB_VOLT_MAX 2
82#define USB_CURR_NOW 3
83#define USB_CURR_MAX 4
84#define USB_INPUT_CURR_LIMIT 5
85#define USB_TYPE 6
86#define USB_ADAP_TYPE 7
87#define USB_MOISTURE_DET_EN 8
88#define USB_MOISTURE_DET_STS 9
89
90#define BATTMGR_WLS_PROPERTY_GET 0x34
91#define BATTMGR_WLS_PROPERTY_SET 0x35
92#define WLS_ONLINE 0
93#define WLS_VOLT_NOW 1
94#define WLS_VOLT_MAX 2
95#define WLS_CURR_NOW 3
96#define WLS_CURR_MAX 4
97#define WLS_TYPE 5
98#define WLS_BOOST_EN 6
99
100#define BATTMGR_CHG_CTRL_LIMIT_EN 0x48
101#define CHARGE_CTRL_START_THR_MIN 50
102#define CHARGE_CTRL_START_THR_MAX 95
103#define CHARGE_CTRL_END_THR_MIN 55
104#define CHARGE_CTRL_END_THR_MAX 100
105#define CHARGE_CTRL_DELTA_SOC 5
106
107struct qcom_battmgr_enable_request {
108 struct pmic_glink_hdr hdr;
109 __le32 battery_id;
110 __le32 power_state;
111 __le32 low_capacity;
112 __le32 high_capacity;
113};
114
115struct qcom_battmgr_property_request {
116 struct pmic_glink_hdr hdr;
117 __le32 battery;
118 __le32 property;
119 __le32 value;
120};
121
122struct qcom_battmgr_update_request {
123 struct pmic_glink_hdr hdr;
124 __le32 battery_id;
125};
126
127struct qcom_battmgr_charge_time_request {
128 struct pmic_glink_hdr hdr;
129 __le32 battery_id;
130 __le32 percent;
131 __le32 reserved;
132};
133
134struct qcom_battmgr_discharge_time_request {
135 struct pmic_glink_hdr hdr;
136 __le32 battery_id;
137 __le32 rate; /* 0 for current rate */
138 __le32 reserved;
139};
140
141struct qcom_battmgr_charge_ctrl_request {
142 struct pmic_glink_hdr hdr;
143 __le32 enable;
144 __le32 target_soc;
145 __le32 delta_soc;
146};
147
148struct qcom_battmgr_message {
149 struct pmic_glink_hdr hdr;
150 union {
151 struct {
152 __le32 property;
153 __le32 value;
154 __le32 result;
155 } intval;
156 struct {
157 __le32 property;
158 char model[BATTMGR_STRING_LEN];
159 } strval;
160 struct {
161 /*
162 * 0: mWh
163 * 1: mAh
164 */
165 __le32 power_unit;
166 __le32 design_capacity;
167 __le32 last_full_capacity;
168 /*
169 * 0 nonrechargable
170 * 1 rechargable
171 */
172 __le32 battery_tech;
173 __le32 design_voltage; /* mV */
174 __le32 capacity_low;
175 __le32 capacity_warning;
176 __le32 cycle_count;
177 /* thousandth of percent */
178 __le32 accuracy;
179 __le32 max_sample_time_ms;
180 __le32 min_sample_time_ms;
181 __le32 max_average_interval_ms;
182 __le32 min_average_interval_ms;
183 /* granularity between low and warning */
184 __le32 capacity_granularity1;
185 /* granularity between warning and full */
186 __le32 capacity_granularity2;
187 /*
188 * 0: no
189 * 1: cold
190 * 2: hot
191 */
192 __le32 swappable;
193 __le32 capabilities;
194 char model_number[BATTMGR_STRING_LEN];
195 char serial_number[BATTMGR_STRING_LEN];
196 char battery_type[BATTMGR_STRING_LEN];
197 char oem_info[BATTMGR_STRING_LEN];
198 char battery_chemistry[BATTMGR_CHEMISTRY_LEN];
199 char uid[BATTMGR_STRING_LEN];
200 __le32 critical_bias;
201 u8 day;
202 u8 month;
203 __le16 year;
204 __le32 battery_id;
205 } info;
206 struct {
207 /*
208 * BIT(0) discharging
209 * BIT(1) charging
210 * BIT(2) critical low
211 */
212 __le32 battery_state;
213 /* mWh or mAh, based on info->power_unit */
214 __le32 capacity;
215 __le32 rate;
216 /* mv */
217 __le32 battery_voltage;
218 /*
219 * BIT(0) power online
220 * BIT(1) discharging
221 * BIT(2) charging
222 * BIT(3) battery critical
223 */
224 __le32 power_state;
225 /*
226 * 1: AC
227 * 2: USB
228 * 3: Wireless
229 */
230 __le32 charging_source;
231 __le32 temperature;
232 } status;
233 __le32 time;
234 __le32 notification;
235 };
236};
237
238#define BATTMGR_CHARGING_SOURCE_AC 1
239#define BATTMGR_CHARGING_SOURCE_USB 2
240#define BATTMGR_CHARGING_SOURCE_WIRELESS 3
241
242enum qcom_battmgr_unit {
243 QCOM_BATTMGR_UNIT_mWh = 0,
244 QCOM_BATTMGR_UNIT_mAh = 1
245};
246
247struct qcom_battmgr_info {
248 bool valid;
249
250 bool present;
251 unsigned int charge_type;
252 unsigned int design_capacity;
253 unsigned int last_full_capacity;
254 unsigned int voltage_max_design;
255 unsigned int voltage_max;
256 unsigned int capacity_low;
257 unsigned int capacity_warning;
258 unsigned int cycle_count;
259 unsigned int charge_count;
260 unsigned int charge_ctrl_start;
261 unsigned int charge_ctrl_end;
262 char model_number[BATTMGR_STRING_LEN];
263 char serial_number[BATTMGR_STRING_LEN];
264 char oem_info[BATTMGR_STRING_LEN];
265 unsigned char technology;
266 unsigned char day;
267 unsigned char month;
268 unsigned short year;
269};
270
271struct qcom_battmgr_status {
272 unsigned int status;
273 unsigned int health;
274 unsigned int capacity;
275 unsigned int percent;
276 int current_now;
277 int power_now;
278 unsigned int voltage_now;
279 unsigned int voltage_ocv;
280 unsigned int temperature;
281 unsigned int resistance;
282 unsigned int soh_percent;
283
284 unsigned int discharge_time;
285 unsigned int charge_time;
286};
287
288struct qcom_battmgr_ac {
289 bool online;
290};
291
292struct qcom_battmgr_usb {
293 bool online;
294 unsigned int voltage_now;
295 unsigned int voltage_max;
296 unsigned int current_now;
297 unsigned int current_max;
298 unsigned int current_limit;
299 unsigned int usb_type;
300};
301
302struct qcom_battmgr_wireless {
303 bool online;
304 unsigned int voltage_now;
305 unsigned int voltage_max;
306 unsigned int current_now;
307 unsigned int current_max;
308};
309
310struct qcom_battmgr {
311 struct device *dev;
312 struct pmic_glink_client *client;
313
314 enum qcom_battmgr_variant variant;
315
316 struct power_supply *ac_psy;
317 struct power_supply *bat_psy;
318 struct power_supply *usb_psy;
319 struct power_supply *wls_psy;
320
321 enum qcom_battmgr_unit unit;
322
323 int error;
324 struct completion ack;
325
326 bool service_up;
327
328 struct qcom_battmgr_info info;
329 struct qcom_battmgr_status status;
330 struct qcom_battmgr_ac ac;
331 struct qcom_battmgr_usb usb;
332 struct qcom_battmgr_wireless wireless;
333
334 struct work_struct enable_work;
335
336 /*
337 * @lock is used to prevent concurrent power supply requests to the
338 * firmware, as it then stops responding.
339 */
340 struct mutex lock;
341};
342
343static int qcom_battmgr_request(struct qcom_battmgr *battmgr, void *data, size_t len)
344{
345 unsigned long left;
346 int ret;
347
348 reinit_completion(x: &battmgr->ack);
349
350 battmgr->error = 0;
351
352 ret = pmic_glink_send(client: battmgr->client, data, len);
353 if (ret < 0)
354 return ret;
355
356 left = wait_for_completion_timeout(x: &battmgr->ack, HZ);
357 if (!left)
358 return -ETIMEDOUT;
359
360 return battmgr->error;
361}
362
363static int qcom_battmgr_request_property(struct qcom_battmgr *battmgr, int opcode,
364 int property, u32 value)
365{
366 struct qcom_battmgr_property_request request = {
367 .hdr.owner = cpu_to_le32(PMIC_GLINK_OWNER_BATTMGR),
368 .hdr.type = cpu_to_le32(PMIC_GLINK_REQ_RESP),
369 .hdr.opcode = cpu_to_le32(opcode),
370 .battery = cpu_to_le32(0),
371 .property = cpu_to_le32(property),
372 .value = cpu_to_le32(value),
373 };
374
375 return qcom_battmgr_request(battmgr, data: &request, len: sizeof(request));
376}
377
378static int qcom_battmgr_update_status(struct qcom_battmgr *battmgr)
379{
380 struct qcom_battmgr_update_request request = {
381 .hdr.owner = cpu_to_le32(PMIC_GLINK_OWNER_BATTMGR),
382 .hdr.type = cpu_to_le32(PMIC_GLINK_REQ_RESP),
383 .hdr.opcode = cpu_to_le32(BATTMGR_BAT_STATUS),
384 .battery_id = cpu_to_le32(0),
385 };
386
387 return qcom_battmgr_request(battmgr, data: &request, len: sizeof(request));
388}
389
390static int qcom_battmgr_update_info(struct qcom_battmgr *battmgr)
391{
392 struct qcom_battmgr_update_request request = {
393 .hdr.owner = cpu_to_le32(PMIC_GLINK_OWNER_BATTMGR),
394 .hdr.type = cpu_to_le32(PMIC_GLINK_REQ_RESP),
395 .hdr.opcode = cpu_to_le32(BATTMGR_BAT_INFO),
396 .battery_id = cpu_to_le32(0),
397 };
398
399 return qcom_battmgr_request(battmgr, data: &request, len: sizeof(request));
400}
401
402static int qcom_battmgr_update_charge_time(struct qcom_battmgr *battmgr)
403{
404 struct qcom_battmgr_charge_time_request request = {
405 .hdr.owner = cpu_to_le32(PMIC_GLINK_OWNER_BATTMGR),
406 .hdr.type = cpu_to_le32(PMIC_GLINK_REQ_RESP),
407 .hdr.opcode = cpu_to_le32(BATTMGR_BAT_CHARGE_TIME),
408 .battery_id = cpu_to_le32(0),
409 .percent = cpu_to_le32(100),
410 };
411
412 return qcom_battmgr_request(battmgr, data: &request, len: sizeof(request));
413}
414
415static int qcom_battmgr_update_discharge_time(struct qcom_battmgr *battmgr)
416{
417 struct qcom_battmgr_discharge_time_request request = {
418 .hdr.owner = cpu_to_le32(PMIC_GLINK_OWNER_BATTMGR),
419 .hdr.type = cpu_to_le32(PMIC_GLINK_REQ_RESP),
420 .hdr.opcode = cpu_to_le32(BATTMGR_BAT_DISCHARGE_TIME),
421 .battery_id = cpu_to_le32(0),
422 .rate = cpu_to_le32(0),
423 };
424
425 return qcom_battmgr_request(battmgr, data: &request, len: sizeof(request));
426}
427
428static const u8 sm8350_bat_prop_map[] = {
429 [POWER_SUPPLY_PROP_STATUS] = BATT_STATUS,
430 [POWER_SUPPLY_PROP_HEALTH] = BATT_HEALTH,
431 [POWER_SUPPLY_PROP_PRESENT] = BATT_PRESENT,
432 [POWER_SUPPLY_PROP_CHARGE_TYPE] = BATT_CHG_TYPE,
433 [POWER_SUPPLY_PROP_CAPACITY] = BATT_CAPACITY,
434 [POWER_SUPPLY_PROP_VOLTAGE_OCV] = BATT_VOLT_OCV,
435 [POWER_SUPPLY_PROP_VOLTAGE_NOW] = BATT_VOLT_NOW,
436 [POWER_SUPPLY_PROP_VOLTAGE_MAX] = BATT_VOLT_MAX,
437 [POWER_SUPPLY_PROP_CURRENT_NOW] = BATT_CURR_NOW,
438 [POWER_SUPPLY_PROP_TEMP] = BATT_TEMP,
439 [POWER_SUPPLY_PROP_TECHNOLOGY] = BATT_TECHNOLOGY,
440 [POWER_SUPPLY_PROP_CHARGE_COUNTER] = BATT_CHG_COUNTER,
441 [POWER_SUPPLY_PROP_CYCLE_COUNT] = BATT_CYCLE_COUNT,
442 [POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN] = BATT_CHG_FULL_DESIGN,
443 [POWER_SUPPLY_PROP_CHARGE_FULL] = BATT_CHG_FULL,
444 [POWER_SUPPLY_PROP_MODEL_NAME] = BATT_MODEL_NAME,
445 [POWER_SUPPLY_PROP_TIME_TO_FULL_AVG] = BATT_TTF_AVG,
446 [POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG] = BATT_TTE_AVG,
447 [POWER_SUPPLY_PROP_INTERNAL_RESISTANCE] = BATT_RESISTANCE,
448 [POWER_SUPPLY_PROP_STATE_OF_HEALTH] = BATT_SOH,
449 [POWER_SUPPLY_PROP_POWER_NOW] = BATT_POWER_NOW,
450 [POWER_SUPPLY_PROP_CHARGE_CONTROL_START_THRESHOLD] = BATT_CHG_CTRL_START_THR,
451 [POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD] = BATT_CHG_CTRL_END_THR,
452};
453
454static int qcom_battmgr_bat_sm8350_update(struct qcom_battmgr *battmgr,
455 enum power_supply_property psp)
456{
457 unsigned int prop;
458 int ret;
459
460 if (psp >= ARRAY_SIZE(sm8350_bat_prop_map))
461 return -EINVAL;
462
463 prop = sm8350_bat_prop_map[psp];
464
465 mutex_lock(&battmgr->lock);
466 ret = qcom_battmgr_request_property(battmgr, BATTMGR_BAT_PROPERTY_GET, property: prop, value: 0);
467 mutex_unlock(lock: &battmgr->lock);
468
469 return ret;
470}
471
472static int qcom_battmgr_bat_sc8280xp_update(struct qcom_battmgr *battmgr,
473 enum power_supply_property psp)
474{
475 int ret;
476
477 mutex_lock(&battmgr->lock);
478
479 if (!battmgr->info.valid) {
480 ret = qcom_battmgr_update_info(battmgr);
481 if (ret < 0)
482 goto out_unlock;
483 battmgr->info.valid = true;
484 }
485
486 ret = qcom_battmgr_update_status(battmgr);
487 if (ret < 0)
488 goto out_unlock;
489
490 if (psp == POWER_SUPPLY_PROP_TIME_TO_FULL_AVG) {
491 ret = qcom_battmgr_update_charge_time(battmgr);
492 if (ret < 0) {
493 ret = -ENODATA;
494 goto out_unlock;
495 }
496 }
497
498 if (psp == POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG) {
499 ret = qcom_battmgr_update_discharge_time(battmgr);
500 if (ret < 0) {
501 ret = -ENODATA;
502 goto out_unlock;
503 }
504 }
505
506out_unlock:
507 mutex_unlock(lock: &battmgr->lock);
508 return ret;
509}
510
511static int qcom_battmgr_bat_get_property(struct power_supply *psy,
512 enum power_supply_property psp,
513 union power_supply_propval *val)
514{
515 struct qcom_battmgr *battmgr = power_supply_get_drvdata(psy);
516 enum qcom_battmgr_unit unit = battmgr->unit;
517 int ret;
518
519 if (!battmgr->service_up)
520 return -EAGAIN;
521
522 if (battmgr->variant == QCOM_BATTMGR_SC8280XP ||
523 battmgr->variant == QCOM_BATTMGR_X1E80100)
524 ret = qcom_battmgr_bat_sc8280xp_update(battmgr, psp);
525 else
526 ret = qcom_battmgr_bat_sm8350_update(battmgr, psp);
527 if (ret < 0)
528 return ret;
529
530 switch (psp) {
531 case POWER_SUPPLY_PROP_STATUS:
532 val->intval = battmgr->status.status;
533 break;
534 case POWER_SUPPLY_PROP_CHARGE_TYPE:
535 val->intval = battmgr->info.charge_type;
536 break;
537 case POWER_SUPPLY_PROP_HEALTH:
538 val->intval = battmgr->status.health;
539 break;
540 case POWER_SUPPLY_PROP_PRESENT:
541 val->intval = battmgr->info.present;
542 break;
543 case POWER_SUPPLY_PROP_TECHNOLOGY:
544 val->intval = battmgr->info.technology;
545 break;
546 case POWER_SUPPLY_PROP_CYCLE_COUNT:
547 val->intval = battmgr->info.cycle_count;
548 break;
549 case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
550 val->intval = battmgr->info.voltage_max_design;
551 break;
552 case POWER_SUPPLY_PROP_VOLTAGE_MAX:
553 val->intval = battmgr->info.voltage_max;
554 break;
555 case POWER_SUPPLY_PROP_VOLTAGE_NOW:
556 val->intval = battmgr->status.voltage_now;
557 break;
558 case POWER_SUPPLY_PROP_VOLTAGE_OCV:
559 val->intval = battmgr->status.voltage_ocv;
560 break;
561 case POWER_SUPPLY_PROP_CURRENT_NOW:
562 val->intval = battmgr->status.current_now;
563 break;
564 case POWER_SUPPLY_PROP_POWER_NOW:
565 val->intval = battmgr->status.power_now;
566 break;
567 case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
568 if (unit != QCOM_BATTMGR_UNIT_mAh)
569 return -ENODATA;
570 val->intval = battmgr->info.design_capacity;
571 break;
572 case POWER_SUPPLY_PROP_CHARGE_FULL:
573 if (unit != QCOM_BATTMGR_UNIT_mAh)
574 return -ENODATA;
575 val->intval = battmgr->info.last_full_capacity;
576 break;
577 case POWER_SUPPLY_PROP_CHARGE_EMPTY:
578 if (unit != QCOM_BATTMGR_UNIT_mAh)
579 return -ENODATA;
580 val->intval = battmgr->info.capacity_low;
581 break;
582 case POWER_SUPPLY_PROP_CHARGE_NOW:
583 if (unit != QCOM_BATTMGR_UNIT_mAh)
584 return -ENODATA;
585 val->intval = battmgr->status.capacity;
586 break;
587 case POWER_SUPPLY_PROP_CHARGE_COUNTER:
588 val->intval = battmgr->info.charge_count;
589 break;
590 case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN:
591 if (unit != QCOM_BATTMGR_UNIT_mWh)
592 return -ENODATA;
593 val->intval = battmgr->info.design_capacity;
594 break;
595 case POWER_SUPPLY_PROP_ENERGY_FULL:
596 if (unit != QCOM_BATTMGR_UNIT_mWh)
597 return -ENODATA;
598 val->intval = battmgr->info.last_full_capacity;
599 break;
600 case POWER_SUPPLY_PROP_ENERGY_EMPTY:
601 if (unit != QCOM_BATTMGR_UNIT_mWh)
602 return -ENODATA;
603 val->intval = battmgr->info.capacity_low;
604 break;
605 case POWER_SUPPLY_PROP_ENERGY_NOW:
606 if (unit != QCOM_BATTMGR_UNIT_mWh)
607 return -ENODATA;
608 val->intval = battmgr->status.capacity;
609 break;
610 case POWER_SUPPLY_PROP_CAPACITY:
611 if (battmgr->status.percent == (unsigned int)-1)
612 return -ENODATA;
613 val->intval = battmgr->status.percent;
614 break;
615 case POWER_SUPPLY_PROP_TEMP:
616 val->intval = battmgr->status.temperature;
617 break;
618 case POWER_SUPPLY_PROP_INTERNAL_RESISTANCE:
619 val->intval = battmgr->status.resistance;
620 break;
621 case POWER_SUPPLY_PROP_STATE_OF_HEALTH:
622 val->intval = battmgr->status.soh_percent;
623 break;
624 case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG:
625 val->intval = battmgr->status.discharge_time;
626 break;
627 case POWER_SUPPLY_PROP_TIME_TO_FULL_AVG:
628 val->intval = battmgr->status.charge_time;
629 break;
630 case POWER_SUPPLY_PROP_CHARGE_CONTROL_START_THRESHOLD:
631 val->intval = battmgr->info.charge_ctrl_start;
632 break;
633 case POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD:
634 val->intval = battmgr->info.charge_ctrl_end;
635 break;
636 case POWER_SUPPLY_PROP_MANUFACTURE_YEAR:
637 val->intval = battmgr->info.year;
638 break;
639 case POWER_SUPPLY_PROP_MANUFACTURE_MONTH:
640 val->intval = battmgr->info.month;
641 break;
642 case POWER_SUPPLY_PROP_MANUFACTURE_DAY:
643 val->intval = battmgr->info.day;
644 break;
645 case POWER_SUPPLY_PROP_MODEL_NAME:
646 val->strval = battmgr->info.model_number;
647 break;
648 case POWER_SUPPLY_PROP_MANUFACTURER:
649 val->strval = battmgr->info.oem_info;
650 break;
651 case POWER_SUPPLY_PROP_SERIAL_NUMBER:
652 val->strval = battmgr->info.serial_number;
653 break;
654 default:
655 return -EINVAL;
656 }
657
658 return 0;
659}
660
661static int qcom_battmgr_set_charge_control(struct qcom_battmgr *battmgr,
662 u32 target_soc, u32 delta_soc)
663{
664 struct qcom_battmgr_charge_ctrl_request request = {
665 .hdr.owner = cpu_to_le32(PMIC_GLINK_OWNER_BATTMGR),
666 .hdr.type = cpu_to_le32(PMIC_GLINK_REQ_RESP),
667 .hdr.opcode = cpu_to_le32(BATTMGR_CHG_CTRL_LIMIT_EN),
668 .enable = cpu_to_le32(1),
669 .target_soc = cpu_to_le32(target_soc),
670 .delta_soc = cpu_to_le32(delta_soc),
671 };
672
673 return qcom_battmgr_request(battmgr, data: &request, len: sizeof(request));
674}
675
676static int qcom_battmgr_set_charge_start_threshold(struct qcom_battmgr *battmgr, int start_soc)
677{
678 u32 target_soc, delta_soc;
679 int ret;
680
681 start_soc = clamp(start_soc, CHARGE_CTRL_START_THR_MIN, CHARGE_CTRL_START_THR_MAX);
682
683 /*
684 * If the new start threshold is larger than the old end threshold,
685 * move the end threshold one step (DELTA_SOC) after the new start
686 * threshold.
687 */
688 if (start_soc > battmgr->info.charge_ctrl_end) {
689 target_soc = start_soc + CHARGE_CTRL_DELTA_SOC;
690 target_soc = min_t(u32, target_soc, CHARGE_CTRL_END_THR_MAX);
691 delta_soc = target_soc - start_soc;
692 delta_soc = min_t(u32, delta_soc, CHARGE_CTRL_DELTA_SOC);
693 } else {
694 target_soc = battmgr->info.charge_ctrl_end;
695 delta_soc = battmgr->info.charge_ctrl_end - start_soc;
696 }
697
698 mutex_lock(&battmgr->lock);
699 ret = qcom_battmgr_set_charge_control(battmgr, target_soc, delta_soc);
700 mutex_unlock(lock: &battmgr->lock);
701 if (!ret) {
702 battmgr->info.charge_ctrl_start = start_soc;
703 battmgr->info.charge_ctrl_end = target_soc;
704 }
705
706 return 0;
707}
708
709static int qcom_battmgr_set_charge_end_threshold(struct qcom_battmgr *battmgr, int end_soc)
710{
711 u32 delta_soc = CHARGE_CTRL_DELTA_SOC;
712 int ret;
713
714 end_soc = clamp(end_soc, CHARGE_CTRL_END_THR_MIN, CHARGE_CTRL_END_THR_MAX);
715
716 if (battmgr->info.charge_ctrl_start && end_soc > battmgr->info.charge_ctrl_start)
717 delta_soc = end_soc - battmgr->info.charge_ctrl_start;
718
719 mutex_lock(&battmgr->lock);
720 ret = qcom_battmgr_set_charge_control(battmgr, target_soc: end_soc, delta_soc);
721 mutex_unlock(lock: &battmgr->lock);
722 if (!ret) {
723 battmgr->info.charge_ctrl_start = end_soc - delta_soc;
724 battmgr->info.charge_ctrl_end = end_soc;
725 }
726
727 return 0;
728}
729
730static int qcom_battmgr_charge_control_thresholds_init(struct qcom_battmgr *battmgr)
731{
732 int ret;
733 u8 en, end_soc, start_soc, delta_soc;
734
735 ret = nvmem_cell_read_u8(dev: battmgr->dev->parent, cell_id: "charge_limit_en", val: &en);
736 if (!ret && en != 0) {
737 ret = nvmem_cell_read_u8(dev: battmgr->dev->parent, cell_id: "charge_limit_end", val: &end_soc);
738 if (ret < 0)
739 return ret;
740
741 ret = nvmem_cell_read_u8(dev: battmgr->dev->parent, cell_id: "charge_limit_delta", val: &delta_soc);
742 if (ret < 0)
743 return ret;
744
745 if (delta_soc >= end_soc)
746 return -EINVAL;
747
748 start_soc = end_soc - delta_soc;
749 end_soc = clamp(end_soc, CHARGE_CTRL_END_THR_MIN, CHARGE_CTRL_END_THR_MAX);
750 start_soc = clamp(start_soc, CHARGE_CTRL_START_THR_MIN, CHARGE_CTRL_START_THR_MAX);
751
752 battmgr->info.charge_ctrl_start = start_soc;
753 battmgr->info.charge_ctrl_end = end_soc;
754 }
755
756 return 0;
757}
758
759static int qcom_battmgr_bat_is_writeable(struct power_supply *psy,
760 enum power_supply_property psp)
761{
762 switch (psp) {
763 case POWER_SUPPLY_PROP_CHARGE_CONTROL_START_THRESHOLD:
764 case POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD:
765 return 1;
766 default:
767 return 0;
768 }
769
770 return 0;
771}
772
773static int qcom_battmgr_bat_set_property(struct power_supply *psy,
774 enum power_supply_property psp,
775 const union power_supply_propval *pval)
776{
777 struct qcom_battmgr *battmgr = power_supply_get_drvdata(psy);
778
779 if (!battmgr->service_up)
780 return -EAGAIN;
781
782 switch (psp) {
783 case POWER_SUPPLY_PROP_CHARGE_CONTROL_START_THRESHOLD:
784 return qcom_battmgr_set_charge_start_threshold(battmgr, start_soc: pval->intval);
785 case POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD:
786 return qcom_battmgr_set_charge_end_threshold(battmgr, end_soc: pval->intval);
787 default:
788 return -EINVAL;
789 }
790
791 return 0;
792}
793
794static const enum power_supply_property sc8280xp_bat_props[] = {
795 POWER_SUPPLY_PROP_STATUS,
796 POWER_SUPPLY_PROP_PRESENT,
797 POWER_SUPPLY_PROP_TECHNOLOGY,
798 POWER_SUPPLY_PROP_CAPACITY,
799 POWER_SUPPLY_PROP_CYCLE_COUNT,
800 POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,
801 POWER_SUPPLY_PROP_VOLTAGE_NOW,
802 POWER_SUPPLY_PROP_POWER_NOW,
803 POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
804 POWER_SUPPLY_PROP_CHARGE_FULL,
805 POWER_SUPPLY_PROP_CHARGE_EMPTY,
806 POWER_SUPPLY_PROP_CHARGE_NOW,
807 POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
808 POWER_SUPPLY_PROP_ENERGY_FULL,
809 POWER_SUPPLY_PROP_ENERGY_EMPTY,
810 POWER_SUPPLY_PROP_ENERGY_NOW,
811 POWER_SUPPLY_PROP_TEMP,
812 POWER_SUPPLY_PROP_MANUFACTURE_YEAR,
813 POWER_SUPPLY_PROP_MANUFACTURE_MONTH,
814 POWER_SUPPLY_PROP_MANUFACTURE_DAY,
815 POWER_SUPPLY_PROP_MODEL_NAME,
816 POWER_SUPPLY_PROP_MANUFACTURER,
817 POWER_SUPPLY_PROP_SERIAL_NUMBER,
818};
819
820static const struct power_supply_desc sc8280xp_bat_psy_desc = {
821 .name = "qcom-battmgr-bat",
822 .type = POWER_SUPPLY_TYPE_BATTERY,
823 .properties = sc8280xp_bat_props,
824 .num_properties = ARRAY_SIZE(sc8280xp_bat_props),
825 .get_property = qcom_battmgr_bat_get_property,
826};
827
828static const enum power_supply_property x1e80100_bat_props[] = {
829 POWER_SUPPLY_PROP_STATUS,
830 POWER_SUPPLY_PROP_PRESENT,
831 POWER_SUPPLY_PROP_TECHNOLOGY,
832 POWER_SUPPLY_PROP_CYCLE_COUNT,
833 POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,
834 POWER_SUPPLY_PROP_VOLTAGE_NOW,
835 POWER_SUPPLY_PROP_POWER_NOW,
836 POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
837 POWER_SUPPLY_PROP_CHARGE_FULL,
838 POWER_SUPPLY_PROP_CHARGE_EMPTY,
839 POWER_SUPPLY_PROP_CHARGE_NOW,
840 POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
841 POWER_SUPPLY_PROP_ENERGY_FULL,
842 POWER_SUPPLY_PROP_ENERGY_EMPTY,
843 POWER_SUPPLY_PROP_ENERGY_NOW,
844 POWER_SUPPLY_PROP_TEMP,
845 POWER_SUPPLY_PROP_MANUFACTURE_YEAR,
846 POWER_SUPPLY_PROP_MANUFACTURE_MONTH,
847 POWER_SUPPLY_PROP_MANUFACTURE_DAY,
848 POWER_SUPPLY_PROP_MODEL_NAME,
849 POWER_SUPPLY_PROP_MANUFACTURER,
850 POWER_SUPPLY_PROP_SERIAL_NUMBER,
851 POWER_SUPPLY_PROP_CHARGE_CONTROL_START_THRESHOLD,
852 POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD,
853};
854
855static const struct power_supply_desc x1e80100_bat_psy_desc = {
856 .name = "qcom-battmgr-bat",
857 .type = POWER_SUPPLY_TYPE_BATTERY,
858 .properties = x1e80100_bat_props,
859 .num_properties = ARRAY_SIZE(x1e80100_bat_props),
860 .get_property = qcom_battmgr_bat_get_property,
861 .set_property = qcom_battmgr_bat_set_property,
862 .property_is_writeable = qcom_battmgr_bat_is_writeable,
863};
864
865static const enum power_supply_property sm8350_bat_props[] = {
866 POWER_SUPPLY_PROP_STATUS,
867 POWER_SUPPLY_PROP_HEALTH,
868 POWER_SUPPLY_PROP_PRESENT,
869 POWER_SUPPLY_PROP_CHARGE_TYPE,
870 POWER_SUPPLY_PROP_CAPACITY,
871 POWER_SUPPLY_PROP_VOLTAGE_OCV,
872 POWER_SUPPLY_PROP_VOLTAGE_NOW,
873 POWER_SUPPLY_PROP_VOLTAGE_MAX,
874 POWER_SUPPLY_PROP_CURRENT_NOW,
875 POWER_SUPPLY_PROP_TEMP,
876 POWER_SUPPLY_PROP_TECHNOLOGY,
877 POWER_SUPPLY_PROP_CHARGE_COUNTER,
878 POWER_SUPPLY_PROP_CYCLE_COUNT,
879 POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
880 POWER_SUPPLY_PROP_CHARGE_FULL,
881 POWER_SUPPLY_PROP_MODEL_NAME,
882 POWER_SUPPLY_PROP_TIME_TO_FULL_AVG,
883 POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
884 POWER_SUPPLY_PROP_INTERNAL_RESISTANCE,
885 POWER_SUPPLY_PROP_STATE_OF_HEALTH,
886 POWER_SUPPLY_PROP_POWER_NOW,
887};
888
889static const struct power_supply_desc sm8350_bat_psy_desc = {
890 .name = "qcom-battmgr-bat",
891 .type = POWER_SUPPLY_TYPE_BATTERY,
892 .properties = sm8350_bat_props,
893 .num_properties = ARRAY_SIZE(sm8350_bat_props),
894 .get_property = qcom_battmgr_bat_get_property,
895};
896
897static const enum power_supply_property sm8550_bat_props[] = {
898 POWER_SUPPLY_PROP_STATUS,
899 POWER_SUPPLY_PROP_HEALTH,
900 POWER_SUPPLY_PROP_PRESENT,
901 POWER_SUPPLY_PROP_CHARGE_TYPE,
902 POWER_SUPPLY_PROP_CAPACITY,
903 POWER_SUPPLY_PROP_VOLTAGE_OCV,
904 POWER_SUPPLY_PROP_VOLTAGE_NOW,
905 POWER_SUPPLY_PROP_VOLTAGE_MAX,
906 POWER_SUPPLY_PROP_CURRENT_NOW,
907 POWER_SUPPLY_PROP_TEMP,
908 POWER_SUPPLY_PROP_TECHNOLOGY,
909 POWER_SUPPLY_PROP_CHARGE_COUNTER,
910 POWER_SUPPLY_PROP_CYCLE_COUNT,
911 POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
912 POWER_SUPPLY_PROP_CHARGE_FULL,
913 POWER_SUPPLY_PROP_MODEL_NAME,
914 POWER_SUPPLY_PROP_TIME_TO_FULL_AVG,
915 POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
916 POWER_SUPPLY_PROP_INTERNAL_RESISTANCE,
917 POWER_SUPPLY_PROP_STATE_OF_HEALTH,
918 POWER_SUPPLY_PROP_POWER_NOW,
919 POWER_SUPPLY_PROP_CHARGE_CONTROL_START_THRESHOLD,
920 POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD,
921};
922
923static const struct power_supply_desc sm8550_bat_psy_desc = {
924 .name = "qcom-battmgr-bat",
925 .type = POWER_SUPPLY_TYPE_BATTERY,
926 .properties = sm8550_bat_props,
927 .num_properties = ARRAY_SIZE(sm8550_bat_props),
928 .get_property = qcom_battmgr_bat_get_property,
929 .set_property = qcom_battmgr_bat_set_property,
930 .property_is_writeable = qcom_battmgr_bat_is_writeable,
931};
932
933static int qcom_battmgr_ac_get_property(struct power_supply *psy,
934 enum power_supply_property psp,
935 union power_supply_propval *val)
936{
937 struct qcom_battmgr *battmgr = power_supply_get_drvdata(psy);
938 int ret;
939
940 if (!battmgr->service_up)
941 return -EAGAIN;
942
943 ret = qcom_battmgr_bat_sc8280xp_update(battmgr, psp);
944 if (ret)
945 return ret;
946
947 switch (psp) {
948 case POWER_SUPPLY_PROP_ONLINE:
949 val->intval = battmgr->ac.online;
950 break;
951 default:
952 return -EINVAL;
953 }
954
955 return 0;
956}
957
958static const enum power_supply_property sc8280xp_ac_props[] = {
959 POWER_SUPPLY_PROP_ONLINE,
960};
961
962static const struct power_supply_desc sc8280xp_ac_psy_desc = {
963 .name = "qcom-battmgr-ac",
964 .type = POWER_SUPPLY_TYPE_MAINS,
965 .properties = sc8280xp_ac_props,
966 .num_properties = ARRAY_SIZE(sc8280xp_ac_props),
967 .get_property = qcom_battmgr_ac_get_property,
968};
969
970static const u8 sm8350_usb_prop_map[] = {
971 [POWER_SUPPLY_PROP_ONLINE] = USB_ONLINE,
972 [POWER_SUPPLY_PROP_VOLTAGE_NOW] = USB_VOLT_NOW,
973 [POWER_SUPPLY_PROP_VOLTAGE_MAX] = USB_VOLT_MAX,
974 [POWER_SUPPLY_PROP_CURRENT_NOW] = USB_CURR_NOW,
975 [POWER_SUPPLY_PROP_CURRENT_MAX] = USB_CURR_MAX,
976 [POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT] = USB_INPUT_CURR_LIMIT,
977 [POWER_SUPPLY_PROP_USB_TYPE] = USB_TYPE,
978};
979
980static int qcom_battmgr_usb_sm8350_update(struct qcom_battmgr *battmgr,
981 enum power_supply_property psp)
982{
983 unsigned int prop;
984 int ret;
985
986 if (psp >= ARRAY_SIZE(sm8350_usb_prop_map))
987 return -EINVAL;
988
989 prop = sm8350_usb_prop_map[psp];
990
991 mutex_lock(&battmgr->lock);
992 ret = qcom_battmgr_request_property(battmgr, BATTMGR_USB_PROPERTY_GET, property: prop, value: 0);
993 mutex_unlock(lock: &battmgr->lock);
994
995 return ret;
996}
997
998static int qcom_battmgr_usb_get_property(struct power_supply *psy,
999 enum power_supply_property psp,
1000 union power_supply_propval *val)
1001{
1002 struct qcom_battmgr *battmgr = power_supply_get_drvdata(psy);
1003 int ret;
1004
1005 if (!battmgr->service_up)
1006 return -EAGAIN;
1007
1008 if (battmgr->variant == QCOM_BATTMGR_SC8280XP ||
1009 battmgr->variant == QCOM_BATTMGR_X1E80100)
1010 ret = qcom_battmgr_bat_sc8280xp_update(battmgr, psp);
1011 else
1012 ret = qcom_battmgr_usb_sm8350_update(battmgr, psp);
1013 if (ret)
1014 return ret;
1015
1016 switch (psp) {
1017 case POWER_SUPPLY_PROP_ONLINE:
1018 val->intval = battmgr->usb.online;
1019 break;
1020 case POWER_SUPPLY_PROP_VOLTAGE_NOW:
1021 val->intval = battmgr->usb.voltage_now;
1022 break;
1023 case POWER_SUPPLY_PROP_VOLTAGE_MAX:
1024 val->intval = battmgr->usb.voltage_max;
1025 break;
1026 case POWER_SUPPLY_PROP_CURRENT_NOW:
1027 val->intval = battmgr->usb.current_now;
1028 break;
1029 case POWER_SUPPLY_PROP_CURRENT_MAX:
1030 val->intval = battmgr->usb.current_max;
1031 break;
1032 case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT:
1033 val->intval = battmgr->usb.current_limit;
1034 break;
1035 case POWER_SUPPLY_PROP_USB_TYPE:
1036 val->intval = battmgr->usb.usb_type;
1037 break;
1038 default:
1039 return -EINVAL;
1040 }
1041
1042 return 0;
1043}
1044
1045static const enum power_supply_property sc8280xp_usb_props[] = {
1046 POWER_SUPPLY_PROP_ONLINE,
1047};
1048
1049static const struct power_supply_desc sc8280xp_usb_psy_desc = {
1050 .name = "qcom-battmgr-usb",
1051 .type = POWER_SUPPLY_TYPE_USB,
1052 .properties = sc8280xp_usb_props,
1053 .num_properties = ARRAY_SIZE(sc8280xp_usb_props),
1054 .get_property = qcom_battmgr_usb_get_property,
1055 .usb_types = BIT(POWER_SUPPLY_USB_TYPE_UNKNOWN) |
1056 BIT(POWER_SUPPLY_USB_TYPE_SDP) |
1057 BIT(POWER_SUPPLY_USB_TYPE_DCP) |
1058 BIT(POWER_SUPPLY_USB_TYPE_CDP) |
1059 BIT(POWER_SUPPLY_USB_TYPE_ACA) |
1060 BIT(POWER_SUPPLY_USB_TYPE_C) |
1061 BIT(POWER_SUPPLY_USB_TYPE_PD) |
1062 BIT(POWER_SUPPLY_USB_TYPE_PD_DRP) |
1063 BIT(POWER_SUPPLY_USB_TYPE_PD_PPS) |
1064 BIT(POWER_SUPPLY_USB_TYPE_APPLE_BRICK_ID),
1065};
1066
1067static const enum power_supply_property sm8350_usb_props[] = {
1068 POWER_SUPPLY_PROP_ONLINE,
1069 POWER_SUPPLY_PROP_VOLTAGE_NOW,
1070 POWER_SUPPLY_PROP_VOLTAGE_MAX,
1071 POWER_SUPPLY_PROP_CURRENT_NOW,
1072 POWER_SUPPLY_PROP_CURRENT_MAX,
1073 POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT,
1074 POWER_SUPPLY_PROP_USB_TYPE,
1075};
1076
1077static const struct power_supply_desc sm8350_usb_psy_desc = {
1078 .name = "qcom-battmgr-usb",
1079 .type = POWER_SUPPLY_TYPE_USB,
1080 .properties = sm8350_usb_props,
1081 .num_properties = ARRAY_SIZE(sm8350_usb_props),
1082 .get_property = qcom_battmgr_usb_get_property,
1083 .usb_types = BIT(POWER_SUPPLY_USB_TYPE_UNKNOWN) |
1084 BIT(POWER_SUPPLY_USB_TYPE_SDP) |
1085 BIT(POWER_SUPPLY_USB_TYPE_DCP) |
1086 BIT(POWER_SUPPLY_USB_TYPE_CDP) |
1087 BIT(POWER_SUPPLY_USB_TYPE_ACA) |
1088 BIT(POWER_SUPPLY_USB_TYPE_C) |
1089 BIT(POWER_SUPPLY_USB_TYPE_PD) |
1090 BIT(POWER_SUPPLY_USB_TYPE_PD_DRP) |
1091 BIT(POWER_SUPPLY_USB_TYPE_PD_PPS) |
1092 BIT(POWER_SUPPLY_USB_TYPE_APPLE_BRICK_ID),
1093};
1094
1095static const u8 sm8350_wls_prop_map[] = {
1096 [POWER_SUPPLY_PROP_ONLINE] = WLS_ONLINE,
1097 [POWER_SUPPLY_PROP_VOLTAGE_NOW] = WLS_VOLT_NOW,
1098 [POWER_SUPPLY_PROP_VOLTAGE_MAX] = WLS_VOLT_MAX,
1099 [POWER_SUPPLY_PROP_CURRENT_NOW] = WLS_CURR_NOW,
1100 [POWER_SUPPLY_PROP_CURRENT_MAX] = WLS_CURR_MAX,
1101};
1102
1103static int qcom_battmgr_wls_sm8350_update(struct qcom_battmgr *battmgr,
1104 enum power_supply_property psp)
1105{
1106 unsigned int prop;
1107 int ret;
1108
1109 if (psp >= ARRAY_SIZE(sm8350_wls_prop_map))
1110 return -EINVAL;
1111
1112 prop = sm8350_wls_prop_map[psp];
1113
1114 mutex_lock(&battmgr->lock);
1115 ret = qcom_battmgr_request_property(battmgr, BATTMGR_WLS_PROPERTY_GET, property: prop, value: 0);
1116 mutex_unlock(lock: &battmgr->lock);
1117
1118 return ret;
1119}
1120
1121static int qcom_battmgr_wls_get_property(struct power_supply *psy,
1122 enum power_supply_property psp,
1123 union power_supply_propval *val)
1124{
1125 struct qcom_battmgr *battmgr = power_supply_get_drvdata(psy);
1126 int ret;
1127
1128 if (!battmgr->service_up)
1129 return -EAGAIN;
1130
1131 if (battmgr->variant == QCOM_BATTMGR_SC8280XP ||
1132 battmgr->variant == QCOM_BATTMGR_X1E80100)
1133 ret = qcom_battmgr_bat_sc8280xp_update(battmgr, psp);
1134 else
1135 ret = qcom_battmgr_wls_sm8350_update(battmgr, psp);
1136 if (ret < 0)
1137 return ret;
1138
1139 switch (psp) {
1140 case POWER_SUPPLY_PROP_ONLINE:
1141 val->intval = battmgr->wireless.online;
1142 break;
1143 case POWER_SUPPLY_PROP_VOLTAGE_NOW:
1144 val->intval = battmgr->wireless.voltage_now;
1145 break;
1146 case POWER_SUPPLY_PROP_VOLTAGE_MAX:
1147 val->intval = battmgr->wireless.voltage_max;
1148 break;
1149 case POWER_SUPPLY_PROP_CURRENT_NOW:
1150 val->intval = battmgr->wireless.current_now;
1151 break;
1152 case POWER_SUPPLY_PROP_CURRENT_MAX:
1153 val->intval = battmgr->wireless.current_max;
1154 break;
1155 default:
1156 return -EINVAL;
1157 }
1158
1159 return 0;
1160}
1161
1162static const enum power_supply_property sc8280xp_wls_props[] = {
1163 POWER_SUPPLY_PROP_ONLINE,
1164};
1165
1166static const struct power_supply_desc sc8280xp_wls_psy_desc = {
1167 .name = "qcom-battmgr-wls",
1168 .type = POWER_SUPPLY_TYPE_WIRELESS,
1169 .properties = sc8280xp_wls_props,
1170 .num_properties = ARRAY_SIZE(sc8280xp_wls_props),
1171 .get_property = qcom_battmgr_wls_get_property,
1172};
1173
1174static const enum power_supply_property sm8350_wls_props[] = {
1175 POWER_SUPPLY_PROP_ONLINE,
1176 POWER_SUPPLY_PROP_VOLTAGE_NOW,
1177 POWER_SUPPLY_PROP_VOLTAGE_MAX,
1178 POWER_SUPPLY_PROP_CURRENT_NOW,
1179 POWER_SUPPLY_PROP_CURRENT_MAX,
1180};
1181
1182static const struct power_supply_desc sm8350_wls_psy_desc = {
1183 .name = "qcom-battmgr-wls",
1184 .type = POWER_SUPPLY_TYPE_WIRELESS,
1185 .properties = sm8350_wls_props,
1186 .num_properties = ARRAY_SIZE(sm8350_wls_props),
1187 .get_property = qcom_battmgr_wls_get_property,
1188};
1189
1190static void qcom_battmgr_notification(struct qcom_battmgr *battmgr,
1191 const struct qcom_battmgr_message *msg,
1192 int len)
1193{
1194 size_t payload_len = len - sizeof(struct pmic_glink_hdr);
1195 unsigned int notification;
1196
1197 if (payload_len != sizeof(msg->notification)) {
1198 dev_warn(battmgr->dev, "ignoring notification with invalid length\n");
1199 return;
1200 }
1201
1202 notification = le32_to_cpu(msg->notification);
1203 notification &= 0xff;
1204 switch (notification) {
1205 case NOTIF_BAT_INFO:
1206 battmgr->info.valid = false;
1207 fallthrough;
1208 case NOTIF_BAT_STATUS:
1209 case NOTIF_BAT_PROPERTY:
1210 case NOTIF_BAT_CHARGING_STATE:
1211 power_supply_changed(psy: battmgr->bat_psy);
1212 break;
1213 case NOTIF_USB_PROPERTY:
1214 power_supply_changed(psy: battmgr->usb_psy);
1215 break;
1216 case NOTIF_WLS_PROPERTY:
1217 power_supply_changed(psy: battmgr->wls_psy);
1218 break;
1219 default:
1220 dev_err(battmgr->dev, "unknown notification: %#x\n", notification);
1221 break;
1222 }
1223}
1224
1225static void qcom_battmgr_sc8280xp_strcpy(char *dest, const char *src)
1226{
1227 size_t len = src[0];
1228
1229 /* Some firmware versions return Pascal-style strings */
1230 if (len < BATTMGR_STRING_LEN && len == strnlen(p: src + 1, BATTMGR_STRING_LEN - 1)) {
1231 memcpy(dest, src + 1, len);
1232 dest[len] = '\0';
1233 } else {
1234 memcpy(dest, src, BATTMGR_STRING_LEN);
1235 }
1236}
1237
1238static unsigned int qcom_battmgr_sc8280xp_parse_technology(const char *chemistry)
1239{
1240 if ((!strncmp(chemistry, "LIO", BATTMGR_CHEMISTRY_LEN)) ||
1241 (!strncmp(chemistry, "OOI", BATTMGR_CHEMISTRY_LEN)))
1242 return POWER_SUPPLY_TECHNOLOGY_LION;
1243 if (!strncmp(chemistry, "LIP", BATTMGR_CHEMISTRY_LEN))
1244 return POWER_SUPPLY_TECHNOLOGY_LIPO;
1245
1246 pr_err("Unknown battery technology '%s'\n", chemistry);
1247 return POWER_SUPPLY_TECHNOLOGY_UNKNOWN;
1248}
1249
1250static unsigned int qcom_battmgr_sc8280xp_convert_temp(unsigned int temperature)
1251{
1252 return DIV_ROUND_CLOSEST(temperature, 10);
1253}
1254
1255static void qcom_battmgr_sc8280xp_callback(struct qcom_battmgr *battmgr,
1256 const struct qcom_battmgr_message *resp,
1257 size_t len)
1258{
1259 unsigned int opcode = le32_to_cpu(resp->hdr.opcode);
1260 unsigned int source;
1261 unsigned int state;
1262 size_t payload_len = len - sizeof(struct pmic_glink_hdr);
1263
1264 if (payload_len < sizeof(__le32)) {
1265 dev_warn(battmgr->dev, "invalid payload length for %#x: %zd\n",
1266 opcode, len);
1267 return;
1268 }
1269
1270 switch (opcode) {
1271 case BATTMGR_REQUEST_NOTIFICATION:
1272 battmgr->error = 0;
1273 break;
1274 case BATTMGR_BAT_INFO:
1275 /* some firmware versions report an extra __le32 at the end of the payload */
1276 if (payload_len != sizeof(resp->info) &&
1277 payload_len != (sizeof(resp->info) + sizeof(__le32))) {
1278 dev_warn(battmgr->dev,
1279 "invalid payload length for battery information request: %zd\n",
1280 payload_len);
1281 battmgr->error = -ENODATA;
1282 return;
1283 }
1284
1285 battmgr->unit = le32_to_cpu(resp->info.power_unit);
1286
1287 battmgr->info.present = true;
1288 battmgr->info.design_capacity = le32_to_cpu(resp->info.design_capacity) * 1000;
1289 battmgr->info.last_full_capacity = le32_to_cpu(resp->info.last_full_capacity) * 1000;
1290 battmgr->info.voltage_max_design = le32_to_cpu(resp->info.design_voltage) * 1000;
1291 battmgr->info.capacity_low = le32_to_cpu(resp->info.capacity_low) * 1000;
1292 battmgr->info.cycle_count = le32_to_cpu(resp->info.cycle_count);
1293 qcom_battmgr_sc8280xp_strcpy(dest: battmgr->info.model_number, src: resp->info.model_number);
1294 qcom_battmgr_sc8280xp_strcpy(dest: battmgr->info.serial_number, src: resp->info.serial_number);
1295 battmgr->info.technology = qcom_battmgr_sc8280xp_parse_technology(chemistry: resp->info.battery_chemistry);
1296 qcom_battmgr_sc8280xp_strcpy(dest: battmgr->info.oem_info, src: resp->info.oem_info);
1297 battmgr->info.day = resp->info.day;
1298 battmgr->info.month = resp->info.month;
1299 battmgr->info.year = le16_to_cpu(resp->info.year);
1300 break;
1301 case BATTMGR_BAT_STATUS:
1302 if (payload_len != sizeof(resp->status)) {
1303 dev_warn(battmgr->dev,
1304 "invalid payload length for battery status request: %zd\n",
1305 payload_len);
1306 battmgr->error = -ENODATA;
1307 return;
1308 }
1309
1310 state = le32_to_cpu(resp->status.battery_state);
1311 if (state & BIT(0))
1312 battmgr->status.status = POWER_SUPPLY_STATUS_DISCHARGING;
1313 else if (state & BIT(1))
1314 battmgr->status.status = POWER_SUPPLY_STATUS_CHARGING;
1315 else
1316 battmgr->status.status = POWER_SUPPLY_STATUS_NOT_CHARGING;
1317
1318 battmgr->status.capacity = le32_to_cpu(resp->status.capacity) * 1000;
1319 battmgr->status.power_now = le32_to_cpu(resp->status.rate) * 1000;
1320 battmgr->status.voltage_now = le32_to_cpu(resp->status.battery_voltage) * 1000;
1321 battmgr->status.temperature = qcom_battmgr_sc8280xp_convert_temp(le32_to_cpu(resp->status.temperature));
1322
1323 source = le32_to_cpu(resp->status.charging_source);
1324 battmgr->ac.online = source == BATTMGR_CHARGING_SOURCE_AC;
1325 battmgr->usb.online = source == BATTMGR_CHARGING_SOURCE_USB;
1326 battmgr->wireless.online = source == BATTMGR_CHARGING_SOURCE_WIRELESS;
1327 if (battmgr->info.last_full_capacity != 0) {
1328 /*
1329 * 100 * battmgr->status.capacity can overflow a 32bit
1330 * unsigned integer. FW readings are in m{W/A}h, which
1331 * are multiplied by 1000 converting them to u{W/A}h,
1332 * the format the power_supply API expects.
1333 * To avoid overflow use the original value for dividend
1334 * and convert the divider back to m{W/A}h, which can be
1335 * done without any loss of precision.
1336 */
1337 battmgr->status.percent =
1338 (100 * le32_to_cpu(resp->status.capacity)) /
1339 (battmgr->info.last_full_capacity / 1000);
1340 } else {
1341 /*
1342 * Let the sysfs handler know no data is available at
1343 * this time.
1344 */
1345 battmgr->status.percent = (unsigned int)-1;
1346 }
1347 break;
1348 case BATTMGR_BAT_DISCHARGE_TIME:
1349 battmgr->status.discharge_time = le32_to_cpu(resp->time);
1350 break;
1351 case BATTMGR_BAT_CHARGE_TIME:
1352 battmgr->status.charge_time = le32_to_cpu(resp->time);
1353 break;
1354 case BATTMGR_CHG_CTRL_LIMIT_EN:
1355 battmgr->error = 0;
1356 break;
1357 default:
1358 dev_warn(battmgr->dev, "unknown message %#x\n", opcode);
1359 break;
1360 }
1361
1362 complete(&battmgr->ack);
1363}
1364
1365static void qcom_battmgr_sm8350_callback(struct qcom_battmgr *battmgr,
1366 const struct qcom_battmgr_message *resp,
1367 size_t len)
1368{
1369 unsigned int property;
1370 unsigned int opcode = le32_to_cpu(resp->hdr.opcode);
1371 size_t payload_len = len - sizeof(struct pmic_glink_hdr);
1372 unsigned int val;
1373
1374 if (payload_len < sizeof(__le32)) {
1375 dev_warn(battmgr->dev, "invalid payload length for %#x: %zd\n",
1376 opcode, len);
1377 return;
1378 }
1379
1380 switch (opcode) {
1381 case BATTMGR_BAT_PROPERTY_GET:
1382 property = le32_to_cpu(resp->intval.property);
1383 if (property == BATT_MODEL_NAME) {
1384 if (payload_len != sizeof(resp->strval)) {
1385 dev_warn(battmgr->dev,
1386 "invalid payload length for BATT_MODEL_NAME request: %zd\n",
1387 payload_len);
1388 battmgr->error = -ENODATA;
1389 return;
1390 }
1391 } else {
1392 if (payload_len != sizeof(resp->intval)) {
1393 dev_warn(battmgr->dev,
1394 "invalid payload length for %#x request: %zd\n",
1395 property, payload_len);
1396 battmgr->error = -ENODATA;
1397 return;
1398 }
1399
1400 battmgr->error = le32_to_cpu(resp->intval.result);
1401 if (battmgr->error)
1402 goto out_complete;
1403 }
1404
1405 switch (property) {
1406 case BATT_STATUS:
1407 battmgr->status.status = le32_to_cpu(resp->intval.value);
1408 break;
1409 case BATT_HEALTH:
1410 battmgr->status.health = le32_to_cpu(resp->intval.value);
1411 break;
1412 case BATT_PRESENT:
1413 battmgr->info.present = le32_to_cpu(resp->intval.value);
1414 break;
1415 case BATT_CHG_TYPE:
1416 battmgr->info.charge_type = le32_to_cpu(resp->intval.value);
1417 break;
1418 case BATT_CAPACITY:
1419 battmgr->status.percent = le32_to_cpu(resp->intval.value) / 100;
1420 break;
1421 case BATT_SOH:
1422 battmgr->status.soh_percent = le32_to_cpu(resp->intval.value);
1423 break;
1424 case BATT_VOLT_OCV:
1425 battmgr->status.voltage_ocv = le32_to_cpu(resp->intval.value);
1426 break;
1427 case BATT_VOLT_NOW:
1428 battmgr->status.voltage_now = le32_to_cpu(resp->intval.value);
1429 break;
1430 case BATT_VOLT_MAX:
1431 battmgr->info.voltage_max = le32_to_cpu(resp->intval.value);
1432 break;
1433 case BATT_CURR_NOW:
1434 battmgr->status.current_now = le32_to_cpu(resp->intval.value);
1435 break;
1436 case BATT_TEMP:
1437 val = le32_to_cpu(resp->intval.value);
1438 battmgr->status.temperature = DIV_ROUND_CLOSEST(val, 10);
1439 break;
1440 case BATT_TECHNOLOGY:
1441 battmgr->info.technology = le32_to_cpu(resp->intval.value);
1442 break;
1443 case BATT_CHG_COUNTER:
1444 battmgr->info.charge_count = le32_to_cpu(resp->intval.value);
1445 break;
1446 case BATT_CYCLE_COUNT:
1447 battmgr->info.cycle_count = le32_to_cpu(resp->intval.value);
1448 break;
1449 case BATT_CHG_FULL_DESIGN:
1450 battmgr->info.design_capacity = le32_to_cpu(resp->intval.value);
1451 break;
1452 case BATT_CHG_FULL:
1453 battmgr->info.last_full_capacity = le32_to_cpu(resp->intval.value);
1454 break;
1455 case BATT_MODEL_NAME:
1456 strscpy(battmgr->info.model_number, resp->strval.model, BATTMGR_STRING_LEN);
1457 break;
1458 case BATT_TTF_AVG:
1459 battmgr->status.charge_time = le32_to_cpu(resp->intval.value);
1460 break;
1461 case BATT_TTE_AVG:
1462 battmgr->status.discharge_time = le32_to_cpu(resp->intval.value);
1463 break;
1464 case BATT_RESISTANCE:
1465 battmgr->status.resistance = le32_to_cpu(resp->intval.value);
1466 break;
1467 case BATT_POWER_NOW:
1468 battmgr->status.power_now = le32_to_cpu(resp->intval.value);
1469 break;
1470 case BATT_CHG_CTRL_START_THR:
1471 battmgr->info.charge_ctrl_start = le32_to_cpu(resp->intval.value);
1472 break;
1473 case BATT_CHG_CTRL_END_THR:
1474 battmgr->info.charge_ctrl_end = le32_to_cpu(resp->intval.value);
1475 break;
1476 default:
1477 dev_warn(battmgr->dev, "unknown property %#x\n", property);
1478 break;
1479 }
1480 break;
1481 case BATTMGR_USB_PROPERTY_GET:
1482 property = le32_to_cpu(resp->intval.property);
1483 if (payload_len != sizeof(resp->intval)) {
1484 dev_warn(battmgr->dev,
1485 "invalid payload length for %#x request: %zd\n",
1486 property, payload_len);
1487 battmgr->error = -ENODATA;
1488 return;
1489 }
1490
1491 battmgr->error = le32_to_cpu(resp->intval.result);
1492 if (battmgr->error)
1493 goto out_complete;
1494
1495 switch (property) {
1496 case USB_ONLINE:
1497 battmgr->usb.online = le32_to_cpu(resp->intval.value);
1498 break;
1499 case USB_VOLT_NOW:
1500 battmgr->usb.voltage_now = le32_to_cpu(resp->intval.value);
1501 break;
1502 case USB_VOLT_MAX:
1503 battmgr->usb.voltage_max = le32_to_cpu(resp->intval.value);
1504 break;
1505 case USB_CURR_NOW:
1506 battmgr->usb.current_now = le32_to_cpu(resp->intval.value);
1507 break;
1508 case USB_CURR_MAX:
1509 battmgr->usb.current_max = le32_to_cpu(resp->intval.value);
1510 break;
1511 case USB_INPUT_CURR_LIMIT:
1512 battmgr->usb.current_limit = le32_to_cpu(resp->intval.value);
1513 break;
1514 case USB_TYPE:
1515 battmgr->usb.usb_type = le32_to_cpu(resp->intval.value);
1516 break;
1517 default:
1518 dev_warn(battmgr->dev, "unknown property %#x\n", property);
1519 break;
1520 }
1521 break;
1522 case BATTMGR_WLS_PROPERTY_GET:
1523 property = le32_to_cpu(resp->intval.property);
1524 if (payload_len != sizeof(resp->intval)) {
1525 dev_warn(battmgr->dev,
1526 "invalid payload length for %#x request: %zd\n",
1527 property, payload_len);
1528 battmgr->error = -ENODATA;
1529 return;
1530 }
1531
1532 battmgr->error = le32_to_cpu(resp->intval.result);
1533 if (battmgr->error)
1534 goto out_complete;
1535
1536 switch (property) {
1537 case WLS_ONLINE:
1538 battmgr->wireless.online = le32_to_cpu(resp->intval.value);
1539 break;
1540 case WLS_VOLT_NOW:
1541 battmgr->wireless.voltage_now = le32_to_cpu(resp->intval.value);
1542 break;
1543 case WLS_VOLT_MAX:
1544 battmgr->wireless.voltage_max = le32_to_cpu(resp->intval.value);
1545 break;
1546 case WLS_CURR_NOW:
1547 battmgr->wireless.current_now = le32_to_cpu(resp->intval.value);
1548 break;
1549 case WLS_CURR_MAX:
1550 battmgr->wireless.current_max = le32_to_cpu(resp->intval.value);
1551 break;
1552 default:
1553 dev_warn(battmgr->dev, "unknown property %#x\n", property);
1554 break;
1555 }
1556 break;
1557 case BATTMGR_REQUEST_NOTIFICATION:
1558 case BATTMGR_CHG_CTRL_LIMIT_EN:
1559 battmgr->error = 0;
1560 break;
1561 default:
1562 dev_warn(battmgr->dev, "unknown message %#x\n", opcode);
1563 break;
1564 }
1565
1566out_complete:
1567 complete(&battmgr->ack);
1568}
1569
1570static void qcom_battmgr_callback(const void *data, size_t len, void *priv)
1571{
1572 const struct pmic_glink_hdr *hdr = data;
1573 struct qcom_battmgr *battmgr = priv;
1574 unsigned int opcode = le32_to_cpu(hdr->opcode);
1575
1576 if (opcode == BATTMGR_NOTIFICATION)
1577 qcom_battmgr_notification(battmgr, msg: data, len);
1578 else if (battmgr->variant == QCOM_BATTMGR_SC8280XP ||
1579 battmgr->variant == QCOM_BATTMGR_X1E80100)
1580 qcom_battmgr_sc8280xp_callback(battmgr, resp: data, len);
1581 else
1582 qcom_battmgr_sm8350_callback(battmgr, resp: data, len);
1583}
1584
1585static void qcom_battmgr_enable_worker(struct work_struct *work)
1586{
1587 struct qcom_battmgr *battmgr = container_of(work, struct qcom_battmgr, enable_work);
1588 struct qcom_battmgr_enable_request req = {
1589 .hdr.owner = cpu_to_le32(PMIC_GLINK_OWNER_BATTMGR),
1590 .hdr.type = cpu_to_le32(PMIC_GLINK_NOTIFY),
1591 .hdr.opcode = cpu_to_le32(BATTMGR_REQUEST_NOTIFICATION),
1592 };
1593 int ret;
1594
1595 ret = qcom_battmgr_request(battmgr, data: &req, len: sizeof(req));
1596 if (ret)
1597 dev_err(battmgr->dev, "failed to request power notifications\n");
1598}
1599
1600static void qcom_battmgr_pdr_notify(void *priv, int state)
1601{
1602 struct qcom_battmgr *battmgr = priv;
1603
1604 if (state == SERVREG_SERVICE_STATE_UP) {
1605 battmgr->service_up = true;
1606 schedule_work(work: &battmgr->enable_work);
1607 } else {
1608 battmgr->service_up = false;
1609 }
1610}
1611
1612static const struct of_device_id qcom_battmgr_of_variants[] = {
1613 { .compatible = "qcom,sc8180x-pmic-glink", .data = (void *)QCOM_BATTMGR_SC8280XP },
1614 { .compatible = "qcom,sc8280xp-pmic-glink", .data = (void *)QCOM_BATTMGR_SC8280XP },
1615 { .compatible = "qcom,sm8550-pmic-glink", .data = (void *)QCOM_BATTMGR_SM8550 },
1616 { .compatible = "qcom,x1e80100-pmic-glink", .data = (void *)QCOM_BATTMGR_X1E80100 },
1617 /* Unmatched devices falls back to QCOM_BATTMGR_SM8350 */
1618 {}
1619};
1620
1621static char *qcom_battmgr_battery[] = { "battery" };
1622
1623static int qcom_battmgr_probe(struct auxiliary_device *adev,
1624 const struct auxiliary_device_id *id)
1625{
1626 const struct power_supply_desc *psy_desc;
1627 struct power_supply_config psy_cfg_supply = {};
1628 struct power_supply_config psy_cfg = {};
1629 const struct of_device_id *match;
1630 struct qcom_battmgr *battmgr;
1631 struct device *dev = &adev->dev;
1632 int ret;
1633
1634 battmgr = devm_kzalloc(dev, size: sizeof(*battmgr), GFP_KERNEL);
1635 if (!battmgr)
1636 return -ENOMEM;
1637
1638 battmgr->dev = dev;
1639
1640 psy_cfg.drv_data = battmgr;
1641 psy_cfg.fwnode = dev_fwnode(&adev->dev);
1642
1643 psy_cfg_supply.drv_data = battmgr;
1644 psy_cfg_supply.fwnode = dev_fwnode(&adev->dev);
1645 psy_cfg_supply.supplied_to = qcom_battmgr_battery;
1646 psy_cfg_supply.num_supplicants = 1;
1647
1648 INIT_WORK(&battmgr->enable_work, qcom_battmgr_enable_worker);
1649 mutex_init(&battmgr->lock);
1650 init_completion(x: &battmgr->ack);
1651
1652 match = of_match_device(matches: qcom_battmgr_of_variants, dev: dev->parent);
1653 if (match)
1654 battmgr->variant = (unsigned long)match->data;
1655 else
1656 battmgr->variant = QCOM_BATTMGR_SM8350;
1657
1658 ret = qcom_battmgr_charge_control_thresholds_init(battmgr);
1659 if (ret < 0)
1660 return dev_err_probe(dev, err: ret,
1661 fmt: "failed to init battery charge control thresholds\n");
1662
1663 if (battmgr->variant == QCOM_BATTMGR_SC8280XP ||
1664 battmgr->variant == QCOM_BATTMGR_X1E80100) {
1665 if (battmgr->variant == QCOM_BATTMGR_X1E80100)
1666 psy_desc = &x1e80100_bat_psy_desc;
1667 else
1668 psy_desc = &sc8280xp_bat_psy_desc;
1669
1670 battmgr->bat_psy = devm_power_supply_register(parent: dev, desc: psy_desc, cfg: &psy_cfg);
1671 if (IS_ERR(ptr: battmgr->bat_psy))
1672 return dev_err_probe(dev, err: PTR_ERR(ptr: battmgr->bat_psy),
1673 fmt: "failed to register battery power supply\n");
1674
1675 battmgr->ac_psy = devm_power_supply_register(parent: dev, desc: &sc8280xp_ac_psy_desc, cfg: &psy_cfg_supply);
1676 if (IS_ERR(ptr: battmgr->ac_psy))
1677 return dev_err_probe(dev, err: PTR_ERR(ptr: battmgr->ac_psy),
1678 fmt: "failed to register AC power supply\n");
1679
1680 battmgr->usb_psy = devm_power_supply_register(parent: dev, desc: &sc8280xp_usb_psy_desc, cfg: &psy_cfg_supply);
1681 if (IS_ERR(ptr: battmgr->usb_psy))
1682 return dev_err_probe(dev, err: PTR_ERR(ptr: battmgr->usb_psy),
1683 fmt: "failed to register USB power supply\n");
1684
1685 battmgr->wls_psy = devm_power_supply_register(parent: dev, desc: &sc8280xp_wls_psy_desc, cfg: &psy_cfg_supply);
1686 if (IS_ERR(ptr: battmgr->wls_psy))
1687 return dev_err_probe(dev, err: PTR_ERR(ptr: battmgr->wls_psy),
1688 fmt: "failed to register wireless charing power supply\n");
1689 } else {
1690 if (battmgr->variant == QCOM_BATTMGR_SM8550)
1691 psy_desc = &sm8550_bat_psy_desc;
1692 else
1693 psy_desc = &sm8350_bat_psy_desc;
1694
1695 battmgr->bat_psy = devm_power_supply_register(parent: dev, desc: psy_desc, cfg: &psy_cfg);
1696 if (IS_ERR(ptr: battmgr->bat_psy))
1697 return dev_err_probe(dev, err: PTR_ERR(ptr: battmgr->bat_psy),
1698 fmt: "failed to register battery power supply\n");
1699
1700 battmgr->usb_psy = devm_power_supply_register(parent: dev, desc: &sm8350_usb_psy_desc, cfg: &psy_cfg_supply);
1701 if (IS_ERR(ptr: battmgr->usb_psy))
1702 return dev_err_probe(dev, err: PTR_ERR(ptr: battmgr->usb_psy),
1703 fmt: "failed to register USB power supply\n");
1704
1705 battmgr->wls_psy = devm_power_supply_register(parent: dev, desc: &sm8350_wls_psy_desc, cfg: &psy_cfg_supply);
1706 if (IS_ERR(ptr: battmgr->wls_psy))
1707 return dev_err_probe(dev, err: PTR_ERR(ptr: battmgr->wls_psy),
1708 fmt: "failed to register wireless charing power supply\n");
1709 }
1710
1711 battmgr->client = devm_pmic_glink_client_alloc(dev, PMIC_GLINK_OWNER_BATTMGR,
1712 cb: qcom_battmgr_callback,
1713 pdr: qcom_battmgr_pdr_notify,
1714 priv: battmgr);
1715 if (IS_ERR(ptr: battmgr->client))
1716 return PTR_ERR(ptr: battmgr->client);
1717
1718 pmic_glink_client_register(client: battmgr->client);
1719
1720 return 0;
1721}
1722
1723static const struct auxiliary_device_id qcom_battmgr_id_table[] = {
1724 { .name = "pmic_glink.power-supply", },
1725 {},
1726};
1727MODULE_DEVICE_TABLE(auxiliary, qcom_battmgr_id_table);
1728
1729static struct auxiliary_driver qcom_battmgr_driver = {
1730 .name = "pmic_glink_power_supply",
1731 .probe = qcom_battmgr_probe,
1732 .id_table = qcom_battmgr_id_table,
1733};
1734
1735module_auxiliary_driver(qcom_battmgr_driver);
1736
1737MODULE_DESCRIPTION("Qualcomm PMIC GLINK battery manager driver");
1738MODULE_LICENSE("GPL");
1739

source code of linux/drivers/power/supply/qcom_battmgr.c