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
|
/* 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.
*/
#ifndef __VOLTEER_CBI_EC_FW_CONFIG_H_
#define __VOLTEER_CBI_EC_FW_CONFIG_H_
#include "stdbool.h"
#include "stdint.h"
/****************************************************************************
* CBI FW_CONFIG layout shared by all Volteer boards
*
* Source of truth is the program/volteer/program.star configuration file.
*/
enum ec_cfg_usb_db_type {
DB_USB_ABSENT = 0,
DB_USB4_GEN2 = 1,
DB_USB3_ACTIVE = 2,
DB_USB4_GEN3 = 3,
DB_USB3_PASSIVE = 4,
DB_USB3_NO_A = 5,
DB_USB_COUNT
};
/*
* Tablet Mode (1 bit), shared by all Volteer boards
*/
enum ec_cfg_tabletmode_type {
TABLETMODE_DISABLED = 0,
TABLETMODE_ENABLED = 1,
};
enum ec_cfg_keyboard_backlight_type {
KEYBOARD_BACKLIGHT_DISABLED = 0,
KEYBOARD_BACKLIGHT_ENABLED = 1
};
enum ec_cfg_numeric_pad_type {
NUMERIC_PAD_DISABLED = 0,
NUMERIC_PAD_ENABLED = 1
};
enum ec_cfg_keyboard_layout {
KB_LAYOUT_DEFAULT = 0,
KB_LAYOUT_1 = 1
};
union volteer_cbi_fw_config {
struct {
enum ec_cfg_usb_db_type usb_db : 4;
uint32_t thermal : 4;
uint32_t audio : 3;
enum ec_cfg_tabletmode_type tabletmode : 1;
uint32_t lte_db : 2;
enum ec_cfg_keyboard_backlight_type kb_bl : 1;
enum ec_cfg_numeric_pad_type num_pad : 1;
uint32_t sd_db : 4;
enum ec_cfg_keyboard_layout kb_layout : 2;
uint32_t reserved_2 : 10;
};
uint32_t raw_value;
};
/*
* Each Volteer board must define the default FW_CONFIG options to use
* if the CBI data has not been initialized.
*/
extern union volteer_cbi_fw_config fw_config_defaults;
/**
* Initialize the FW_CONFIG from CBI data. If the CBI data is not valid, set the
* FW_CONFIG to the board specific defaults.
*/
void init_fw_config(void);
/**
* Read the cached FW_CONFIG. Guaranteed to have valid values.
*
* @return the FW_CONFIG for the board.
*/
union volteer_cbi_fw_config get_fw_config(void);
/**
* Get the USB daughter board type from FW_CONFIG.
*
* @return the USB daughter board type.
*/
enum ec_cfg_usb_db_type ec_cfg_usb_db_type(void);
/**
* Check if the FW_CONFIG has enabled tablet mode operation.
*
* @return true if board supports tablet mode, false if the board supports
* clamshell operation only.
*/
bool ec_cfg_has_tabletmode(void);
/**
* Check if the FW_CONFIG has enabled keyboard backlight.
*
* @return true if board supports keyboard backlight, false if the board
* doesn't support it.
*/
bool ec_cfg_has_keyboard_backlight(void);
/**
* Check if the FW_CONFIG has enabled numeric pad.
*
* @return true if board supports numeric pad, false if the board
* doesn't support it.
*/
bool ec_cfg_has_numeric_pad(void);
/**
* Get keyboard type from FW_CONFIG.
*
* @return the keyboard type.
*/
enum ec_cfg_keyboard_layout ec_cfg_keyboard_layout(void);
#endif /* __VOLTEER_CBI_EC_FW_CONFIG_H_ */
|
