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
|
/* Copyright 2020 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.
*/
#include "adc.h"
#include "adc_chip.h"
#include "button.h"
#include "charge_state_v2.h"
#include "cros_board_info.h"
#include "driver/accelgyro_bmi_common.h"
#include "driver/accel_kionix.h"
#include "driver/accel_kx022.h"
#include "driver/ppc/aoz1380.h"
#include "driver/ppc/nx20p348x.h"
#include "driver/retimer/tusb544.h"
#include "driver/temp_sensor/sb_tsi.h"
#include "driver/usb_mux/amd_fp5.h"
#include "driver/usb_mux/ps8743.h"
#include "extpower.h"
#include "fan.h"
#include "fan_chip.h"
#include "gpio.h"
#include "hooks.h"
#include "lid_switch.h"
#include "power.h"
#include "power_button.h"
#include "pwm.h"
#include "pwm_chip.h"
#include "switch.h"
#include "system.h"
#include "task.h"
#include "thermistor.h"
#include "temp_sensor.h"
#include "usb_charge.h"
#include "usb_mux.h"
#include "usbc_ppc.h"
#include "gpio_list.h"
#ifdef HAS_TASK_MOTIONSENSE
static int board_ver;
/* Motion sensors */
static struct mutex g_lid_mutex;
static struct mutex g_base_mutex;
/* sensor private data */
static struct kionix_accel_data g_kx022_data;
static struct bmi_drv_data_t g_bmi160_data;
/* Matrix to rotate accelrator into standard reference frame */
const mat33_fp_t base_standard_ref = {
{ 0, FLOAT_TO_FP(-1), 0},
{ FLOAT_TO_FP(-1), 0, 0},
{ 0, 0, FLOAT_TO_FP(-1)}
};
const mat33_fp_t lid_standard_ref = {
{ FLOAT_TO_FP(-1), 0, 0},
{ 0, FLOAT_TO_FP(-1), 0},
{ 0, 0, FLOAT_TO_FP(1)}
};
/* TODO(gcc >= 5.0) Remove the casts to const pointer at rot_standard_ref */
struct motion_sensor_t motion_sensors[] = {
[LID_ACCEL] = {
.name = "Lid Accel",
.active_mask = SENSOR_ACTIVE_S0_S3,
.chip = MOTIONSENSE_CHIP_KX022,
.type = MOTIONSENSE_TYPE_ACCEL,
.location = MOTIONSENSE_LOC_LID,
.drv = &kionix_accel_drv,
.mutex = &g_lid_mutex,
.drv_data = &g_kx022_data,
.port = I2C_PORT_SENSOR,
.i2c_spi_addr_flags = KX022_ADDR1_FLAGS,
.rot_standard_ref = &lid_standard_ref,
.default_range = 2, /* g, enough for laptop. */
.min_frequency = KX022_ACCEL_MIN_FREQ,
.max_frequency = KX022_ACCEL_MAX_FREQ,
.config = {
/* EC use accel for angle detection */
[SENSOR_CONFIG_EC_S0] = {
.odr = 10000 | ROUND_UP_FLAG,
.ec_rate = 100,
},
/* EC use accel for angle detection */
[SENSOR_CONFIG_EC_S3] = {
.odr = 10000 | ROUND_UP_FLAG,
},
},
},
[BASE_ACCEL] = {
.name = "Base Accel",
.active_mask = SENSOR_ACTIVE_S0_S3,
.chip = MOTIONSENSE_CHIP_BMI160,
.type = MOTIONSENSE_TYPE_ACCEL,
.location = MOTIONSENSE_LOC_BASE,
.drv = &bmi160_drv,
.mutex = &g_base_mutex,
.drv_data = &g_bmi160_data,
.port = I2C_PORT_SENSOR,
.i2c_spi_addr_flags = BMI160_ADDR0_FLAGS,
.default_range = 2, /* g, enough for laptop */
.rot_standard_ref = &base_standard_ref,
.min_frequency = BMI_ACCEL_MIN_FREQ,
.max_frequency = BMI_ACCEL_MAX_FREQ,
.config = {
/* EC use accel for angle detection */
[SENSOR_CONFIG_EC_S0] = {
.odr = 10000 | ROUND_UP_FLAG,
.ec_rate = 100,
},
/* EC use accel for angle detection */
[SENSOR_CONFIG_EC_S3] = {
.odr = 10000 | ROUND_UP_FLAG,
},
},
},
[BASE_GYRO] = {
.name = "Base Gyro",
.active_mask = SENSOR_ACTIVE_S0_S3,
.chip = MOTIONSENSE_CHIP_BMI160,
.type = MOTIONSENSE_TYPE_GYRO,
.location = MOTIONSENSE_LOC_BASE,
.drv = &bmi160_drv,
.mutex = &g_base_mutex,
.drv_data = &g_bmi160_data,
.port = I2C_PORT_SENSOR,
.i2c_spi_addr_flags = BMI160_ADDR0_FLAGS,
.default_range = 1000, /* dps */
.rot_standard_ref = &base_standard_ref,
.min_frequency = BMI_GYRO_MIN_FREQ,
.max_frequency = BMI_GYRO_MAX_FREQ,
},
};
unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors);
#endif /* HAS_TASK_MOTIONSENSE */
const struct power_signal_info power_signal_list[] = {
[X86_SLP_S3_N] = {
.gpio = GPIO_PCH_SLP_S3_L,
.flags = POWER_SIGNAL_ACTIVE_HIGH,
.name = "SLP_S3_DEASSERTED",
},
[X86_SLP_S5_N] = {
.gpio = GPIO_PCH_SLP_S5_L,
.flags = POWER_SIGNAL_ACTIVE_HIGH,
.name = "SLP_S5_DEASSERTED",
},
[X86_S0_PGOOD] = {
.gpio = GPIO_S0_PGOOD,
.flags = POWER_SIGNAL_ACTIVE_HIGH,
.name = "S0_PGOOD",
},
[X86_S5_PGOOD] = {
.gpio = GPIO_S5_PGOOD,
.flags = POWER_SIGNAL_ACTIVE_HIGH,
.name = "S5_PGOOD",
},
};
BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT);
const struct pwm_t pwm_channels[] = {
[PWM_CH_KBLIGHT] = {
.channel = 3,
.flags = PWM_CONFIG_DSLEEP,
.freq = 100,
},
[PWM_CH_FAN] = {
.channel = 2,
.flags = PWM_CONFIG_OPEN_DRAIN,
.freq = 25000,
},
};
BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT);
/* MFT channels. These are logically separate from pwm_channels. */
const struct mft_t mft_channels[] = {
[MFT_CH_0] = {
.module = NPCX_MFT_MODULE_1,
.clk_src = TCKC_LFCLK,
.pwm_id = PWM_CH_FAN,
},
};
BUILD_ASSERT(ARRAY_SIZE(mft_channels) == MFT_CH_COUNT);
const int usb_port_enable[USBA_PORT_COUNT] = {
IOEX_EN_USB_A0_5V,
IOEX_EN_USB_A1_5V_DB,
};
/*****************************************************************************
* Retimers
*/
static void retimers_on(void)
{
ioex_set_level(IOEX_USB_A1_RETIMER_EN, 1);
/* hdmi retimer power on */
ioex_set_level(IOEX_HDMI_POWER_EN_DB, 1);
}
DECLARE_HOOK(HOOK_CHIPSET_RESUME, retimers_on, HOOK_PRIO_DEFAULT);
static void retimers_off(void)
{
ioex_set_level(IOEX_USB_A1_RETIMER_EN, 0);
/* hdmi retimer power off */
ioex_set_level(IOEX_HDMI_POWER_EN_DB, 0);
}
DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, retimers_off, HOOK_PRIO_DEFAULT);
/*
* USB C0 port SBU mux use standalone FSUSB42UMX
* chip and it need a board specific driver.
* Overall, it will use chained mux framework.
*/
static int fsusb42umx_set_mux(const struct usb_mux *me, mux_state_t mux_state)
{
if (mux_state & USB_PD_MUX_POLARITY_INVERTED)
ioex_set_level(IOEX_USB_C0_SBU_FLIP, 1);
else
ioex_set_level(IOEX_USB_C0_SBU_FLIP, 0);
return EC_SUCCESS;
}
/*
* .init is not necessary here because it has nothing
* to do. Primary mux will handle mux state so .get is
* not needed as well. usb_mux.c can handle the situation
* properly.
*/
const struct usb_mux_driver usbc0_sbu_mux_driver = {
.set = fsusb42umx_set_mux,
};
/*
* Since FSUSB42UMX is not a i2c device, .i2c_port and
* .i2c_addr_flags are not required here.
*/
const struct usb_mux usbc0_sbu_mux = {
.usb_port = USBC_PORT_C0,
.driver = &usbc0_sbu_mux_driver,
};
/*****************************************************************************
* USB-C MUX/Retimer dynamic configuration
*/
static void setup_mux(void)
{
if (ec_config_has_usbc1_retimer_tusb544()) {
ccprints("C1 TUSB544 detected");
/*
* Main MUX is FP5, secondary MUX is TUSB544
*
* Replace usb_muxes[USBC_PORT_C1] with the AMD FP5
* table entry.
*/
memcpy(&usb_muxes[USBC_PORT_C1],
&usbc1_amd_fp5_usb_mux,
sizeof(struct usb_mux));
/* Set the TUSB544 as the secondary MUX */
usb_muxes[USBC_PORT_C1].next_mux = &usbc1_tusb544;
} else if (ec_config_has_usbc1_retimer_ps8743()) {
ccprints("C1 PS8743 detected");
/*
* Main MUX is PS8743, secondary MUX is modified FP5
*
* Replace usb_muxes[USBC_PORT_C1] with the PS8743
* table entry.
*/
memcpy(&usb_muxes[USBC_PORT_C1],
&usbc1_ps8743,
sizeof(struct usb_mux));
/* Set the AMD FP5 as the secondary MUX */
usb_muxes[USBC_PORT_C1].next_mux = &usbc1_amd_fp5_usb_mux;
/* Don't have the AMD FP5 flip */
usbc1_amd_fp5_usb_mux.flags = USB_MUX_FLAG_SET_WITHOUT_FLIP;
}
}
struct usb_mux usb_muxes[] = {
[USBC_PORT_C0] = {
.usb_port = USBC_PORT_C0,
.i2c_port = I2C_PORT_USB_AP_MUX,
.i2c_addr_flags = AMD_FP5_MUX_I2C_ADDR_FLAGS,
.driver = &amd_fp5_usb_mux_driver,
.next_mux = &usbc0_sbu_mux,
},
[USBC_PORT_C1] = {
/* Filled in dynamically at startup */
},
};
BUILD_ASSERT(ARRAY_SIZE(usb_muxes) == USBC_PORT_COUNT);
static int board_tusb544_mux_set(const struct usb_mux *me,
mux_state_t mux_state)
{
if (mux_state & USB_PD_MUX_DP_ENABLED) {
/* Enable IN_HPD on the DB */
ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 1);
} else {
/* Disable IN_HPD on the DB */
ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 0);
}
return EC_SUCCESS;
}
static int board_ps8743_mux_set(const struct usb_mux *me,
mux_state_t mux_state)
{
if (mux_state & USB_PD_MUX_DP_ENABLED)
/* Enable IN_HPD on the DB */
ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 1);
else
/* Disable IN_HPD on the DB */
ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 0);
return EC_SUCCESS;
}
const struct usb_mux usbc1_tusb544 = {
.usb_port = USBC_PORT_C1,
.i2c_port = I2C_PORT_TCPC1,
.i2c_addr_flags = TUSB544_I2C_ADDR_FLAGS1,
.driver = &tusb544_drv,
.board_set = &board_tusb544_mux_set,
};
const struct usb_mux usbc1_ps8743 = {
.usb_port = USBC_PORT_C1,
.i2c_port = I2C_PORT_TCPC1,
.i2c_addr_flags = PS8743_I2C_ADDR1_FLAG,
.driver = &ps8743_usb_mux_driver,
.board_set = &board_ps8743_mux_set,
};
/*****************************************************************************
* PPC
*/
static int ppc_id;
static void setup_c1_ppc_config(void)
{
/*
* Read USB_C1_POWER_SWITCH_ID to choose DB ppc chip
* 0: NX20P3483UK
* 1: AOZ1380DI
*/
ioex_get_level(IOEX_USB_C1_POWER_SWITCH_ID, &ppc_id);
ccprints("C1: PPC is %s", ppc_id ? "AOZ1380DI" : "NX20P3483UK");
if (ppc_id) {
ppc_chips[USBC_PORT_C1].drv = &aoz1380_drv;
ioex_set_flags(IOEX_USB_C1_PPC_ILIM_3A_EN, GPIO_OUT_LOW);
}
}
__override void ppc_interrupt(enum gpio_signal signal)
{
switch (signal) {
case GPIO_USB_C0_PPC_FAULT_ODL:
aoz1380_interrupt(USBC_PORT_C0);
break;
case GPIO_USB_C1_PPC_INT_ODL:
if (ppc_id)
aoz1380_interrupt(USBC_PORT_C1);
else
nx20p348x_interrupt(USBC_PORT_C1);
break;
default:
break;
}
}
__override int board_aoz1380_set_vbus_source_current_limit(int port,
enum tcpc_rp_value rp)
{
int rv;
/* Use the TCPC to set the current limit */
rv = ioex_set_level(port ? IOEX_USB_C1_PPC_ILIM_3A_EN
: IOEX_USB_C0_PPC_ILIM_3A_EN,
(rp == TYPEC_RP_3A0) ? 1 : 0);
return rv;
}
/*****************************************************************************
* Use FW_CONFIG to set correct configuration.
*/
static void setup_v0_charger(void)
{
int rv;
rv = cbi_get_board_version(&board_ver);
if (rv) {
ccprints("Fail to get board_ver");
/* Default for v3 */
board_ver = 3;
}
if (board_ver == 1)
chg_chips[0].i2c_port = I2C_PORT_CHARGER_V0;
}
/*
* Use HOOK_PRIO_INIT_I2C so we re-map before charger_chips_init()
* talks to the charger.
*/
DECLARE_HOOK(HOOK_INIT, setup_v0_charger, HOOK_PRIO_INIT_I2C);
static void setup_fw_config(void)
{
/* Enable Gyro interrupts */
gpio_enable_interrupt(GPIO_6AXIS_INT_L);
setup_mux();
if (board_ver >= 3)
setup_c1_ppc_config();
if (ec_config_has_hdmi_conn_hpd()) {
if (board_ver < 3)
ioex_enable_interrupt(IOEX_HDMI_CONN_HPD_3V3_DB);
else
gpio_enable_interrupt(GPIO_DP1_HPD_EC_IN);
}
}
/* Use HOOK_PRIO_INIT_I2C + 2 to be after ioex_init(). */
DECLARE_HOOK(HOOK_INIT, setup_fw_config, HOOK_PRIO_INIT_I2C + 2);
__override int check_hdmi_hpd_status(void)
{
int hpd = 0;
if (board_ver < 3)
ioex_get_level(IOEX_HDMI_CONN_HPD_3V3_DB, &hpd);
else
hpd = gpio_get_level(GPIO_DP1_HPD_EC_IN);
return hpd;
}
static void hdmi_hpd_handler(void)
{
/* Pass HPD through from DB OPT1 HDMI connector to AP's DP1. */
int hpd = check_hdmi_hpd_status();
gpio_set_level(GPIO_DP1_HPD, hpd);
ccprints("HDMI HPD %d", hpd);
pi3hdx1204_retimer_power();
}
DECLARE_DEFERRED(hdmi_hpd_handler);
void hdmi_hpd_interrupt(enum gpio_signal signal)
{
/* Debounce for 2 msec. */
hook_call_deferred(&hdmi_hpd_handler_data, (2 * MSEC));
}
void hdmi_hpd_interrupt_v2(enum ioex_signal signal)
{
/* Debounce for 2 msec. */
hook_call_deferred(&hdmi_hpd_handler_data, (2 * MSEC));
}
/*****************************************************************************
* Fan
*/
/* 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 = -1,
};
const struct fan_rpm fan_rpm_0 = {
.rpm_min = 2800,
.rpm_start = 2800,
.rpm_max = 6000,
};
const struct fan_t fans[] = {
[FAN_CH_0] = {
.conf = &fan_conf_0,
.rpm = &fan_rpm_0,
},
};
BUILD_ASSERT(ARRAY_SIZE(fans) == FAN_CH_COUNT);
int board_get_temp(int idx, int *temp_k)
{
int mv;
int temp_c;
enum adc_channel channel;
/* idx is the sensor index set in board temp_sensors[] */
switch (idx) {
case TEMP_SENSOR_CHARGER:
channel = ADC_TEMP_SENSOR_CHARGER;
break;
case TEMP_SENSOR_SOC:
/* thermistor is not powered in G3 */
if (chipset_in_state(CHIPSET_STATE_HARD_OFF))
return EC_ERROR_NOT_POWERED;
channel = ADC_TEMP_SENSOR_SOC;
break;
default:
return EC_ERROR_INVAL;
}
mv = adc_read_channel(channel);
if (mv < 0)
return EC_ERROR_INVAL;
temp_c = thermistor_linear_interpolate(mv, &thermistor_info);
*temp_k = C_TO_K(temp_c);
return EC_SUCCESS;
}
const struct adc_t adc_channels[] = {
[ADC_TEMP_SENSOR_CHARGER] = {
.name = "CHARGER",
.input_ch = NPCX_ADC_CH2,
.factor_mul = ADC_MAX_VOLT,
.factor_div = ADC_READ_MAX + 1,
.shift = 0,
},
[ADC_TEMP_SENSOR_SOC] = {
.name = "SOC",
.input_ch = NPCX_ADC_CH3,
.factor_mul = ADC_MAX_VOLT,
.factor_div = ADC_READ_MAX + 1,
.shift = 0,
},
};
BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
const struct temp_sensor_t temp_sensors[] = {
[TEMP_SENSOR_CHARGER] = {
.name = "Charger",
.type = TEMP_SENSOR_TYPE_BOARD,
.read = board_get_temp,
.idx = TEMP_SENSOR_CHARGER,
},
[TEMP_SENSOR_SOC] = {
.name = "SOC",
.type = TEMP_SENSOR_TYPE_BOARD,
.read = board_get_temp,
.idx = TEMP_SENSOR_SOC,
},
[TEMP_SENSOR_CPU] = {
.name = "CPU",
.type = TEMP_SENSOR_TYPE_CPU,
.read = sb_tsi_get_val,
.idx = 0,
},
};
BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT);
const static struct ec_thermal_config thermal_thermistor = {
.temp_host = {
[EC_TEMP_THRESH_HIGH] = C_TO_K(85),
[EC_TEMP_THRESH_HALT] = C_TO_K(95),
},
.temp_host_release = {
[EC_TEMP_THRESH_HIGH] = C_TO_K(70),
},
.temp_fan_off = 0,
.temp_fan_max = 0,
};
const static struct ec_thermal_config thermal_soc = {
.temp_host = {
[EC_TEMP_THRESH_HIGH] = C_TO_K(75),
[EC_TEMP_THRESH_HALT] = C_TO_K(80),
},
.temp_host_release = {
[EC_TEMP_THRESH_HIGH] = C_TO_K(65),
},
.temp_fan_off = 0,
.temp_fan_max = 0,
};
const static struct ec_thermal_config thermal_cpu = {
.temp_host = {
[EC_TEMP_THRESH_HIGH] = C_TO_K(85),
[EC_TEMP_THRESH_HALT] = C_TO_K(95),
},
.temp_host_release = {
[EC_TEMP_THRESH_HIGH] = C_TO_K(80),
},
.temp_fan_off = C_TO_K(37),
.temp_fan_max = C_TO_K(90),
};
struct ec_thermal_config thermal_params[TEMP_SENSOR_COUNT];
struct fan_step {
int on;
int off;
int rpm;
};
/* Note: Do not make the fan on/off point equal to 0 or 100 */
static const struct fan_step fan_table0[] = {
{.on = 0, .off = 2, .rpm = 0},
{.on = 15, .off = 2, .rpm = 2800},
{.on = 23, .off = 13, .rpm = 3200},
{.on = 30, .off = 21, .rpm = 3400},
{.on = 38, .off = 28, .rpm = 3700},
{.on = 45, .off = 36, .rpm = 4200},
{.on = 55, .off = 43, .rpm = 4500},
{.on = 66, .off = 53, .rpm = 5300},
};
/* All fan tables must have the same number of levels */
#define NUM_FAN_LEVELS ARRAY_SIZE(fan_table0)
static const struct fan_step *fan_table = fan_table0;
static void setup_fans(void)
{
thermal_params[TEMP_SENSOR_CHARGER] = thermal_thermistor;
thermal_params[TEMP_SENSOR_SOC] = thermal_soc;
thermal_params[TEMP_SENSOR_CPU] = thermal_cpu;
}
DECLARE_HOOK(HOOK_INIT, setup_fans, 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;
}
__override void board_set_charge_limit(int port, int supplier, int charge_ma,
int max_ma, int charge_mv)
{
/*
* Limit the input current to 95% negotiated limit,
* to account for the charger chip margin.
*/
charge_ma = charge_ma * 95 / 100;
charge_set_input_current_limit(MAX(charge_ma,
CONFIG_CHARGER_INPUT_CURRENT),
charge_mv);
}
|