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
|
/* 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 "common.h"
#include "button.h"
#include "cbi_ec_fw_config.h"
#include "charge_ramp.h"
#include "charger.h"
#include "console.h"
#include "driver/accel_lis2dw12.h"
#include "driver/accelgyro_lsm6dso.h"
#include "power_button.h"
#include "power.h"
#include "switch.h"
#include "tablet_mode.h"
#include "throttle_ap.h"
#include "gpio_list.h" /* Must come after other header files. */
/* Console output macros */
#define CPRINTF(format, args...) cprintf(CC_CHARGER, format, ## args)
#define CPRINTS(format, args...) cprints(CC_CHARGER, format, ## args)
/******************************************************************************/
/* USB-A charging control */
const int usb_port_enable[USB_PORT_COUNT] = {
GPIO_EN_PP5000_USBA_R,
};
BUILD_ASSERT(ARRAY_SIZE(usb_port_enable) == USB_PORT_COUNT);
/******************************************************************************/
/*
* FW_CONFIG defaults for brya if the CBI.FW_CONFIG data is not
* initialized.
*/
const union brya_cbi_fw_config fw_config_defaults = {
.usb_db = DB_USB3_PS8815,
};
__override void board_cbi_init(void)
{
config_usb_db_type();
}
#ifdef CONFIG_CHARGE_RAMP_SW
/*
* TODO(b/181508008): tune this threshold
*/
#define BC12_MIN_VOLTAGE 4400
/**
* Return true if VBUS is too low
*/
int board_is_vbus_too_low(int port, enum chg_ramp_vbus_state ramp_state)
{
int voltage;
if (charger_get_vbus_voltage(port, &voltage))
voltage = 0;
CPRINTS("%s: charger reports VBUS %d on port %d", __func__,
voltage, port);
if (voltage == 0) {
CPRINTS("%s: must be disconnected", __func__);
return 1;
}
if (voltage < BC12_MIN_VOLTAGE) {
CPRINTS("%s: lower than %d", __func__,
BC12_MIN_VOLTAGE);
return 1;
}
return 0;
}
#endif /* CONFIG_CHARGE_RAMP_SW */
|
