1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
|
/* Copyright 2017 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* Fizz board-specific configuration */
#include "adc.h"
#include "adc_chip.h"
#include "als.h"
#include "battery.h"
#include "bd99992gw.h"
#include "board_config.h"
#include "button.h"
#include "charge_manager.h"
#include "charge_state.h"
#include "charger.h"
#include "chipset.h"
#include "console.h"
#include "cros_board_info.h"
#include "driver/pmic_tps650x30.h"
#include "driver/temp_sensor/tmp432.h"
#include "driver/tcpm/ps8xxx.h"
#include "driver/tcpm/tcpci.h"
#include "driver/tcpm/tcpm.h"
#include "espi.h"
#include "extpower.h"
#include "espi.h"
#include "fan.h"
#include "fan_chip.h"
#include "gpio.h"
#include "hooks.h"
#include "host_command.h"
#include "i2c.h"
#include "math_util.h"
#include "pi3usb9281.h"
#include "power.h"
#include "power_button.h"
#include "pwm.h"
#include "pwm_chip.h"
#include "spi.h"
#include "switch.h"
#include "system.h"
#include "task.h"
#include "temp_sensor.h"
#include "timer.h"
#include "uart.h"
#include "usb_charge.h"
#include "usb_mux.h"
#include "usb_pd.h"
#include "usb_pd_tcpm.h"
#include "util.h"
#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args)
#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args)
static uint16_t board_version;
static uint8_t oem;
static uint8_t sku;
static void tcpc_alert_event(enum gpio_signal signal)
{
schedule_deferred_pd_interrupt(0 /* port */);
}
#define ADP_DEBOUNCE_MS 1000 /* Debounce time for BJ plug/unplug */
/*
* ADP_IN pin state. It's initialized to 1 (=unplugged) because the IRQ won't
* be triggered if BJ is the power source.
*/
static int adp_in_state = 1;
static void adp_in_deferred(void);
DECLARE_DEFERRED(adp_in_deferred);
static void adp_in_deferred(void)
{
struct charge_port_info pi = { 0 };
int level = gpio_get_level(GPIO_ADP_IN_L);
/* Debounce */
if (level == adp_in_state)
return;
if (!level) {
/* BJ is inserted but the voltage isn't effective because PU3
* is still disabled. */
pi.voltage = 19500;
if (chipset_in_state(CHIPSET_STATE_ANY_OFF))
/*
* It doesn't matter what we set here because we'll
* brown out anyway when charge_manager switches
* input.
*/
pi.current = 3330;
}
charge_manager_update_charge(CHARGE_SUPPLIER_DEDICATED,
DEDICATED_CHARGE_PORT, &pi);
/*
* Explicitly notifies the host that BJ is plugged or unplugged
* (when running on a type-c adapter).
*/
pd_send_host_event(PD_EVENT_POWER_CHANGE);
adp_in_state = level;
}
/* IRQ for BJ plug/unplug. It shouldn't be called if BJ is the power source. */
void adp_in(enum gpio_signal signal)
{
if (adp_in_state == gpio_get_level(GPIO_ADP_IN_L))
return;
hook_call_deferred(&adp_in_deferred_data, ADP_DEBOUNCE_MS * MSEC);
}
void vbus0_evt(enum gpio_signal signal)
{
task_wake(TASK_ID_PD_C0);
}
#include "gpio_list.h"
/* Hibernate wake configuration */
const enum gpio_signal hibernate_wake_pins[] = {
GPIO_POWER_BUTTON_L,
};
const int hibernate_wake_pins_used = ARRAY_SIZE(hibernate_wake_pins);
/* ADC channels */
const struct adc_t adc_channels[] = {
/* Vbus sensing (1/10 voltage divider). */
[ADC_VBUS] = {"VBUS", NPCX_ADC_CH2, ADC_MAX_VOLT*10, ADC_READ_MAX+1, 0},
};
BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
/******************************************************************************/
/* Physical fans. These are logically separate from pwm_channels. */
const struct fan_conf fan_conf_0 = {
.flags = FAN_USE_RPM_MODE,
.ch = MFT_CH_0, /* Use MFT id to control fan */
.pgood_gpio = -1,
.enable_gpio = GPIO_FAN_PWR_EN,
};
const struct fan_rpm fan_rpm_0 = {
.rpm_min = 2200,
.rpm_start = 2200,
.rpm_max = 5600,
};
const struct fan_rpm fan_rpm_1 = {
.rpm_min = 2800,
.rpm_start = 2800,
.rpm_max = 5600,
};
struct fan_t fans[] = {
[FAN_CH_0] = { .conf = &fan_conf_0, .rpm = &fan_rpm_0, },
};
BUILD_ASSERT(ARRAY_SIZE(fans) == FAN_CH_COUNT);
/******************************************************************************/
/* MFT channels. These are logically separate from pwm_channels. */
const struct mft_t mft_channels[] = {
[MFT_CH_0] = {NPCX_MFT_MODULE_2, TCKC_LFCLK, PWM_CH_FAN},
};
BUILD_ASSERT(ARRAY_SIZE(mft_channels) == MFT_CH_COUNT);
/* I2C port map */
const struct i2c_port_t i2c_ports[] = {
{"tcpc", NPCX_I2C_PORT0_0, 400, GPIO_I2C0_0_SCL, GPIO_I2C0_0_SDA},
{"eeprom", NPCX_I2C_PORT0_1, 400, GPIO_I2C0_1_SCL, GPIO_I2C0_1_SDA},
{"charger", NPCX_I2C_PORT1, 100, GPIO_I2C1_SCL, GPIO_I2C1_SDA},
{"pmic", NPCX_I2C_PORT2, 400, GPIO_I2C2_SCL, GPIO_I2C2_SDA},
{"thermal", NPCX_I2C_PORT3, 400, GPIO_I2C3_SCL, GPIO_I2C3_SDA},
};
const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
/* TCPC mux configuration */
const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_MAX_COUNT] = {
{
.bus_type = EC_BUS_TYPE_I2C,
.i2c_info = {
.port = NPCX_I2C_PORT0_0,
.addr_flags = I2C_ADDR_TCPC0_FLAGS,
},
.drv = &ps8xxx_tcpm_drv,
},
};
static int ps8751_tune_mux(const struct usb_mux *me)
{
/* 0x98 sets lower EQ of DP port (4.5db) */
mux_write(me, PS8XXX_REG_MUX_DP_EQ_CONFIGURATION, 0x98);
return EC_SUCCESS;
}
const struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = {
{
.usb_port = 0,
.driver = &tcpci_tcpm_usb_mux_driver,
.hpd_update = &ps8xxx_tcpc_update_hpd_status,
.board_init = &ps8751_tune_mux,
}
};
const int usb_port_enable[USB_PORT_COUNT] = {
GPIO_USB1_ENABLE,
GPIO_USB2_ENABLE,
GPIO_USB3_ENABLE,
GPIO_USB4_ENABLE,
GPIO_USB5_ENABLE,
};
void board_reset_pd_mcu(void)
{
gpio_set_level(GPIO_USB_C0_PD_RST_ODL, 0);
msleep(1);
gpio_set_level(GPIO_USB_C0_PD_RST_ODL, 1);
}
void board_tcpc_init(void)
{
int reg;
/* This needs to be executed only once per boot. It could be run by RO
* if we boot in recovery mode. It could be run by RW if we boot in
* normal or dev mode. Note EFS makes RO jump to RW before HOOK_INIT. */
board_reset_pd_mcu();
/*
* Wake up PS8751. If PS8751 remains in low power mode after sysjump,
* TCPM_INIT will fail due to not able to access PS8751.
* Note PS8751 A3 will wake on any I2C access.
*/
i2c_read8(I2C_PORT_TCPC0, I2C_ADDR_TCPC0_FLAGS, 0xA0, ®);
/* Enable TCPC interrupts */
gpio_enable_interrupt(GPIO_USB_C0_PD_INT_ODL);
/*
* Initialize HPD to low; after sysjump SOC needs to see
* HPD pulse to enable video path
*/
for (int port = 0; port < CONFIG_USB_PD_PORT_MAX_COUNT; ++port)
usb_mux_hpd_update(port, 0, 0);
}
DECLARE_HOOK(HOOK_INIT, board_tcpc_init, HOOK_PRIO_INIT_I2C+1);
uint16_t tcpc_get_alert_status(void)
{
uint16_t status = 0;
if (!gpio_get_level(GPIO_USB_C0_PD_INT_ODL)) {
if (gpio_get_level(GPIO_USB_C0_PD_RST_ODL))
status |= PD_STATUS_TCPC_ALERT_0;
}
return status;
}
/*
* TMP431 has one local and one remote sensor.
*
* Temperature sensors data; must be in same order as enum temp_sensor_id.
* Sensor index and name must match those present in coreboot:
* src/mainboard/google/${board}/acpi/dptf.asl
*/
const struct temp_sensor_t temp_sensors[] = {
{"TMP431_Internal", TEMP_SENSOR_TYPE_BOARD, tmp432_get_val,
TMP432_IDX_LOCAL},
{"TMP431_Sensor_1", TEMP_SENSOR_TYPE_BOARD, tmp432_get_val,
TMP432_IDX_REMOTE1},
};
BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT);
/*
* Thermal limits for each temp sensor. All temps are in degrees K. Must be in
* same order as enum temp_sensor_id. To always ignore any temp, use 0.
*/
struct ec_thermal_config thermal_params[] = {
/* {Twarn, Thigh, Thalt}, <on>
* {Twarn, Thigh, X }, <off>
* fan_off, fan_max
*/
{{0, C_TO_K(80), C_TO_K(81)}, {0, C_TO_K(78), 0},
C_TO_K(4), C_TO_K(76)}, /* TMP431_Internal */
{{0, 0, 0}, {0, 0, 0}, 0, 0}, /* TMP431_Sensor_1 */
};
BUILD_ASSERT(ARRAY_SIZE(thermal_params) == TEMP_SENSOR_COUNT);
/* Initialize PMIC */
#define I2C_PMIC_READ(reg, data) \
i2c_read8(I2C_PORT_PMIC, TPS650X30_I2C_ADDR1_FLAGS, (reg), (data))
#define I2C_PMIC_WRITE(reg, data) \
i2c_write8(I2C_PORT_PMIC, TPS650X30_I2C_ADDR1_FLAGS, (reg), (data))
static void board_pmic_init(void)
{
int err;
int error_count = 0;
static uint8_t pmic_initialized = 0;
if (pmic_initialized)
return;
/* Read vendor ID */
while (1) {
int data;
err = I2C_PMIC_READ(TPS650X30_REG_VENDORID, &data);
if (!err && data == TPS650X30_VENDOR_ID)
break;
else if (error_count > 5)
goto pmic_error;
error_count++;
}
/*
* VCCIOCNT register setting
* [6] : CSDECAYEN
* otherbits: default
*/
err = I2C_PMIC_WRITE(TPS650X30_REG_VCCIOCNT, 0x4A);
if (err)
goto pmic_error;
/*
* VRMODECTRL:
* [4] : VCCIOLPM clear
* otherbits: default
*/
err = I2C_PMIC_WRITE(TPS650X30_REG_VRMODECTRL, 0x2F);
if (err)
goto pmic_error;
/*
* PGMASK1 : Exclude VCCIO from Power Good Tree
* [7] : MVCCIOPG clear
* otherbits: default
*/
err = I2C_PMIC_WRITE(TPS650X30_REG_PGMASK1, 0x80);
if (err)
goto pmic_error;
/*
* PWFAULT_MASK1 Register settings
* [7] : 1b V4 Power Fault Masked
* [4] : 1b V7 Power Fault Masked
* [2] : 1b V9 Power Fault Masked
* [0] : 1b V13 Power Fault Masked
*/
err = I2C_PMIC_WRITE(TPS650X30_REG_PWFAULT_MASK1, 0x95);
if (err)
goto pmic_error;
/*
* Discharge control 4 register configuration
* [7:6] : 00b Reserved
* [5:4] : 01b V3.3S discharge resistance (V6S), 100 Ohm
* [3:2] : 01b V18S discharge resistance (V8S), 100 Ohm
* [1:0] : 01b V100S discharge resistance (V11S), 100 Ohm
*/
err = I2C_PMIC_WRITE(TPS650X30_REG_DISCHCNT4, 0x15);
if (err)
goto pmic_error;
/*
* Discharge control 3 register configuration
* [7:6] : 01b V1.8U_2.5U discharge resistance (V9), 100 Ohm
* [5:4] : 01b V1.2U discharge resistance (V10), 100 Ohm
* [3:2] : 01b V100A discharge resistance (V11), 100 Ohm
* [1:0] : 01b V085A discharge resistance (V12), 100 Ohm
*/
err = I2C_PMIC_WRITE(TPS650X30_REG_DISCHCNT3, 0x55);
if (err)
goto pmic_error;
/*
* Discharge control 2 register configuration
* [7:6] : 01b V5ADS3 discharge resistance (V5), 100 Ohm
* [5:4] : 01b V33A_DSW discharge resistance (V6), 100 Ohm
* [3:2] : 01b V33PCH discharge resistance (V7), 100 Ohm
* [1:0] : 01b V18A discharge resistance (V8), 100 Ohm
*/
err = I2C_PMIC_WRITE(TPS650X30_REG_DISCHCNT2, 0x55);
if (err)
goto pmic_error;
/*
* Discharge control 1 register configuration
* [7:2] : 00b Reserved
* [1:0] : 01b VCCIO discharge resistance (V4), 100 Ohm
*/
err = I2C_PMIC_WRITE(TPS650X30_REG_DISCHCNT1, 0x01);
if (err)
goto pmic_error;
/*
* Increase Voltage
* [7:0] : 0x2a default
* [5:4] : 10b default
* [5:4] : 01b 5.1V (0x1a)
*/
err = I2C_PMIC_WRITE(TPS650X30_REG_V5ADS3CNT, 0x1a);
if (err)
goto pmic_error;
/*
* PBCONFIG Register configuration
* [7] : 1b Power button debounce, 0ms (no debounce)
* [6] : 0b Power button reset timer logic, no action (default)
* [5:0] : 011111b Force an Emergency reset time, 31s (default)
*/
err = I2C_PMIC_WRITE(TPS650X30_REG_PBCONFIG, 0x9F);
if (err)
goto pmic_error;
/*
* V3.3A_DSW (VR3) control. Default: 0x2A.
* [7:6] : 00b Disabled
* [5:4] : 00b Vnom + 3%. (default: 10b 0%)
*/
err = I2C_PMIC_WRITE(TPS650X30_REG_V33ADSWCNT, 0x0A);
if (err)
goto pmic_error;
/*
* V100ACNT Register Field Description. Default: 0x2A
* [1:0] : 11b Forced PWM Operation.
* [5:4] : 01b Output Voltage Select Vnom (1V)
*/
err = I2C_PMIC_WRITE(TPS650X30_REG_V100ACNT, 0x1B);
if (err)
goto pmic_error;
CPRINTS("PMIC init done");
pmic_initialized = 1;
return;
pmic_error:
CPRINTS("PMIC init failed");
}
void chipset_pre_init_callback(void)
{
board_pmic_init();
}
/**
* Notify the AC presence GPIO to the PCH.
*/
static void board_extpower(void)
{
gpio_set_level(GPIO_PCH_ACPRESENT, extpower_is_present());
}
DECLARE_HOOK(HOOK_AC_CHANGE, board_extpower, HOOK_PRIO_DEFAULT);
/* Mapping to the old schematics */
#define GPIO_U42_P GPIO_TYPE_C_60W
#define GPIO_U22_C GPIO_TYPE_C_65W
/*
* Board version 2.1 or before uses a different current monitoring circuitry.
*/
static void set_charge_limit(int charge_ma)
{
/*
* We have two FETs connected to two registers: PR257 & PR258.
* These control thresholds of the over current monitoring system.
*
* PR257, PR258
* For 4.62A (90W BJ adapter), on, off
* For 3.33A (65W BJ adapter), off, on
* For 3.00A (Type-C adapter), off, off
*
* The over current monitoring system doesn't support less than 3A
* (e.g. 2.25A, 2.00A). These current most likely won't be enough to
* power the system. However, if they're needed, EC can monitor
* PMON_PSYS and trigger H_PROCHOT by itself.
*/
if (charge_ma >= 4620) {
gpio_set_level(GPIO_U42_P, 1);
gpio_set_level(GPIO_U22_C, 0);
} else if (charge_ma >= 3330) {
gpio_set_level(GPIO_U42_P, 0);
gpio_set_level(GPIO_U22_C, 1);
} else if (charge_ma >= 3000) {
gpio_set_level(GPIO_U42_P, 0);
gpio_set_level(GPIO_U22_C, 0);
} else {
/* TODO(http://crosbug.com/p/65013352) */
CPRINTS("Current %dmA not supported", charge_ma);
}
}
void board_set_charge_limit(int port, int supplier, int charge_ma,
int max_ma, int charge_mv)
{
int p87w = 0, p65w = 0, p60w = 0;
/*
* Turn on/off power shortage alert. Performs the same check as
* system_can_boot_ap(). It's repeated here because charge_manager
* hasn't updated charge_current/voltage when board_set_charge_limit
* is called.
*/
led_alert(charge_ma * charge_mv <
CONFIG_CHARGER_MIN_POWER_MW_FOR_POWER_ON * 1000);
/*
* In terms of timing, this should always work because
* HOOK_PRIO_CHARGE_MANAGER_INIT is notified after HOOK_PRIO_INIT_I2C.
* If CBI isn't initialized or contains invalid data, we assume it's
* a new board.
*/
if (0 < board_version && board_version < 0x0202)
return set_charge_limit(charge_ma);
/*
* We have three FETs connected to three registers: PR257, PR258,
* PR7824. These control the thresholds of the current monitoring
* system.
*
* PR257 PR7824 PR258
* For BJ (65W or 90W) off off off
* For 4.35A (87W) on off off
* For 3.25A (65W) off off on
* For 3.00A (60W) off on off
*
* The system power consumption is capped by PR259, which is stuffed
* differently depending on the SKU (65W v.s. 90W or U42 v.s. U22).
* So, we only need to monitor type-c adapters. For example:
*
* a 90W system powered by 65W type-c charger
* b 65W system powered by 60W type-c charger
* c 65W system powered by 87W type-c charger
*
* In a case such as (c), we actually do not need to monitor the current
* because the max is capped by PR259.
*
* AP is expected to read type-c adapter wattage from EC and control
* power consumption to avoid over-current or system browns out.
*
*/
if (supplier != CHARGE_SUPPLIER_DEDICATED) {
/* Apple 87W charger offers 4.3A @20V. */
if (charge_ma >= 4300) {
p87w = 1;
} else if (charge_ma >= 3250) {
p65w = 1;
} else if (charge_ma >= 3000) {
p60w = 1;
} else {
/*
* TODO:http://crosbug.com/p/65013352.
* The current monitoring system doesn't support lower
* current. These currents are most likely not enough to
* power the system. However, if they're needed, EC can
* monitor PMON_PSYS and trigger H_PROCHOT by itself.
*/
p60w = 1;
CPRINTS("Current %dmA not supported", charge_ma);
}
}
gpio_set_level(GPIO_TYPE_C_87W, p87w);
gpio_set_level(GPIO_TYPE_C_65W, p65w);
gpio_set_level(GPIO_TYPE_C_60W, p60w);
}
int64_t get_time_dsw_pwrok(void)
{
/* DSW_PWROK is turned on before EC was powered. */
return -20 * MSEC;
}
const struct pwm_t pwm_channels[] = {
[PWM_CH_LED_RED] = { 3, PWM_CONFIG_DSLEEP, 100 },
[PWM_CH_LED_GREEN] = { 5, PWM_CONFIG_DSLEEP, 100 },
[PWM_CH_FAN] = {4, PWM_CONFIG_OPEN_DRAIN, 25000},
};
BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT);
struct fan_step {
int on;
int off;
int rpm;
};
static const struct fan_step *fan_table;
/* Note: Do not make the fan on/off point equal to 0 or 100 */
static const struct fan_step fan_table0[] = {
{.on = 0, .off = 1, .rpm = 0},
{.on = 36, .off = 1, .rpm = 2800},
{.on = 58, .off = 58, .rpm = 3200},
{.on = 66, .off = 61, .rpm = 3400},
{.on = 75, .off = 69, .rpm = 4200},
{.on = 81, .off = 76, .rpm = 4800},
{.on = 88, .off = 83, .rpm = 5200},
{.on = 98, .off = 91, .rpm = 5600},
};
static const struct fan_step fan_table1[] = {
{.on = 0, .off = 1, .rpm = 0},
{.on = 36, .off = 1, .rpm = 2800},
{.on = 62, .off = 58, .rpm = 3200},
{.on = 68, .off = 63, .rpm = 3400},
{.on = 75, .off = 69, .rpm = 4200},
{.on = 81, .off = 76, .rpm = 4800},
{.on = 88, .off = 83, .rpm = 5200},
{.on = 98, .off = 91, .rpm = 5600},
};
static const struct fan_step fan_table2[] = {
{.on = 0, .off = 1, .rpm = 0},
{.on = 36, .off = 1, .rpm = 2200},
{.on = 63, .off = 56, .rpm = 2900},
{.on = 69, .off = 65, .rpm = 3000},
{.on = 75, .off = 70, .rpm = 3300},
{.on = 80, .off = 76, .rpm = 3600},
{.on = 87, .off = 81, .rpm = 3900},
{.on = 98, .off = 91, .rpm = 5000},
};
static const struct fan_step fan_table3[] = {
{.on = 0, .off = 1, .rpm = 0},
{.on = 36, .off = 22, .rpm = 2500},
{.on = 54, .off = 49, .rpm = 3200},
{.on = 61, .off = 56, .rpm = 3500},
{.on = 68, .off = 63, .rpm = 3900},
{.on = 75, .off = 69, .rpm = 4500},
{.on = 82, .off = 76, .rpm = 5100},
{.on = 92, .off = 85, .rpm = 5400},
};
/* All fan tables must have the same number of levels */
#define NUM_FAN_LEVELS ARRAY_SIZE(fan_table0)
BUILD_ASSERT(ARRAY_SIZE(fan_table1) == NUM_FAN_LEVELS);
BUILD_ASSERT(ARRAY_SIZE(fan_table2) == NUM_FAN_LEVELS);
BUILD_ASSERT(ARRAY_SIZE(fan_table3) == NUM_FAN_LEVELS);
static void setup_fan(void)
{
/* Configure Fan */
switch (oem) {
case OEM_KENCH:
case OEM_TEEMO:
case OEM_BLEEMO:
default:
fans[FAN_CH_0].rpm = &fan_rpm_1;
fan_table = fan_table0;
break;
case OEM_SION:
fans[FAN_CH_0].rpm = &fan_rpm_1;
fan_table = fan_table1;
break;
case OEM_WUKONG_N:
case OEM_WUKONG_A:
case OEM_WUKONG_M:
fans[FAN_CH_0].rpm = &fan_rpm_0;
fan_table = fan_table2;
break;
case OEM_JAX:
fan_set_count(0);
break;
case OEM_EXCELSIOR:
fans[FAN_CH_0].rpm = &fan_rpm_0;
fan_table = fan_table3;
break;
}
}
static void cbi_init(void)
{
uint32_t val;
if (cbi_get_board_version(&val) == EC_SUCCESS && val <= UINT16_MAX)
board_version = val;
CPRINTS("Board Version: 0x%04x", board_version);
if (cbi_get_oem_id(&val) == EC_SUCCESS && val < OEM_COUNT)
oem = val;
CPRINTS("OEM: %d", oem);
if (cbi_get_sku_id(&val) == EC_SUCCESS && val <= UINT8_MAX)
sku = val;
CPRINTS("SKU: 0x%02x", sku);
setup_fan();
}
DECLARE_HOOK(HOOK_INIT, cbi_init, HOOK_PRIO_INIT_I2C + 1);
/* List of BJ adapters shipped with Fizz or its variants */
enum bj_adapter {
BJ_65W_19V,
BJ_90W_19V,
BJ_65W_19P5V,
BJ_90W_19P5V,
};
/* BJ adapter specs */
static const struct charge_port_info bj_adapters[] = {
[BJ_65W_19V] = { .current = 3420, .voltage = 19000 },
[BJ_90W_19V] = { .current = 4740, .voltage = 19000 },
[BJ_65W_19P5V] = { .current = 3330, .voltage = 19500 },
[BJ_90W_19P5V] = { .current = 4620, .voltage = 19500 },
};
/*
* Bit masks to map SKU ID to BJ adapter wattage. 1:90W 0:65W
* KBL-R i7 8550U 4 90
* KBL-R i5 8250U 5 90
* KBL-R i3 8130U 6 90
* KBL-U i7 7600 3 65
* KBL-U i5 7500 2 65
* KBL-U i3 7100 1 65
* KBL-U Celeron 3965 7 65
* KBL-U Celeron 3865 0 65
*/
#define BJ_ADAPTER_90W_MASK (BIT(4) | BIT(5) | BIT(6))
static void setup_bj(void)
{
enum bj_adapter bj;
switch (oem) {
case OEM_KENCH:
bj = (BJ_ADAPTER_90W_MASK & BIT(sku)) ?
BJ_90W_19P5V : BJ_65W_19P5V;
break;
case OEM_TEEMO:
case OEM_BLEEMO:
case OEM_SION:
case OEM_WUKONG_N:
case OEM_WUKONG_A:
case OEM_WUKONG_M:
case OEM_EXCELSIOR:
bj = (BJ_ADAPTER_90W_MASK & BIT(sku)) ?
BJ_90W_19V : BJ_65W_19V;
break;
case OEM_JAX:
bj = BJ_65W_19V;
break;
default:
bj = (BJ_ADAPTER_90W_MASK & BIT(sku)) ?
BJ_90W_19P5V : BJ_65W_19P5V;
break;
}
charge_manager_update_charge(CHARGE_SUPPLIER_DEDICATED,
DEDICATED_CHARGE_PORT, &bj_adapters[bj]);
}
/*
* Since fizz has no battery, it must source all of its power from either
* USB-C or the barrel jack (preferred). Fizz operates in continuous safe
* mode (charge_manager_leave_safe_mode() will never be called), which
* modifies port / ILIM selection as follows:
*
* - Dual-role / dedicated capability of the port partner is ignored.
* - Charge ceiling on PD voltage transition is ignored.
* - CHARGE_PORT_NONE will never be selected.
*/
static void board_charge_manager_init(void)
{
enum charge_port port;
int i, j;
/* Initialize all charge suppliers to 0 */
for (i = 0; i < CHARGE_PORT_COUNT; i++) {
for (j = 0; j < CHARGE_SUPPLIER_COUNT; j++)
charge_manager_update_charge(j, i, NULL);
}
port = gpio_get_level(GPIO_ADP_IN_L) ?
CHARGE_PORT_TYPEC0 : CHARGE_PORT_BARRELJACK;
CPRINTS("Power source is p%d (%s)", port,
port == CHARGE_PORT_TYPEC0 ? "USB-C" : "BJ");
/* Initialize the power source supplier */
switch (port) {
case CHARGE_PORT_TYPEC0:
typec_set_input_current_limit(port, 3000, 5000);
break;
case CHARGE_PORT_BARRELJACK:
setup_bj();
break;
}
}
DECLARE_HOOK(HOOK_INIT, board_charge_manager_init,
HOOK_PRIO_CHARGE_MANAGER_INIT + 1);
static void board_init(void)
{
/* Provide AC status to the PCH */
board_extpower();
gpio_enable_interrupt(GPIO_USB_C0_VBUS_WAKE_L);
}
DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
int fan_percent_to_rpm(int fan, int pct)
{
static int current_level;
static int previous_pct;
int i;
/*
* Compare the pct and previous pct, we have the three paths :
* 1. decreasing path. (check the off point)
* 2. increasing path. (check the on point)
* 3. invariant path. (return the current RPM)
*/
if (pct < previous_pct) {
for (i = current_level; i >= 0; i--) {
if (pct <= fan_table[i].off)
current_level = i - 1;
else
break;
}
} else if (pct > previous_pct) {
for (i = current_level + 1; i < NUM_FAN_LEVELS; i++) {
if (pct >= fan_table[i].on)
current_level = i;
else
break;
}
}
if (current_level < 0)
current_level = 0;
previous_pct = pct;
if (fan_table[current_level].rpm !=
fan_get_rpm_target(FAN_CH(fan)))
cprints(CC_THERMAL, "Setting fan RPM to %d",
fan_table[current_level].rpm);
return fan_table[current_level].rpm;
}
|