blob: 8de585a78fa7ca9fc502d7844d740235ce8d0880 (
plain)
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
|
/* Copyright 2021 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.
*/
/* Functions needed by keyboard scanner module for Chrome EC */
#include <device.h>
#include <logging/log.h>
#include <soc.h>
#include <zephyr.h>
#include "drivers/cros_kb_raw.h"
#include "keyboard_raw.h"
LOG_MODULE_REGISTER(shim_cros_kb_raw, LOG_LEVEL_ERR);
#define CROS_KB_RAW_NODE DT_NODELABEL(cros_kb_raw)
static const struct device *cros_kb_raw_dev;
/**
* Initialize the raw keyboard interface.
*/
void keyboard_raw_init(void)
{
cros_kb_raw_dev = DEVICE_DT_GET(CROS_KB_RAW_NODE);
if (!device_is_ready(cros_kb_raw_dev)) {
LOG_ERR("Error: device %s is not ready", cros_kb_raw_dev->name);
return;
}
LOG_INF("%s", __func__);
cros_kb_raw_init(cros_kb_raw_dev);
}
/**
* Finish initialization after task scheduling has started.
*/
void keyboard_raw_task_start(void)
{
keyboard_raw_enable_interrupt(1);
}
/**
* Drive the specified column low.
*/
test_mockable void keyboard_raw_drive_column(int col)
{
if (cros_kb_raw_dev)
cros_kb_raw_drive_column(cros_kb_raw_dev, col);
else
LOG_ERR("%s: no cros_kb_raw device!", __func__);
}
/**
* Read raw row state.
* Bits are 1 if signal is present, 0 if not present.
*/
test_mockable int keyboard_raw_read_rows(void)
{
if (cros_kb_raw_dev)
return cros_kb_raw_read_rows(cros_kb_raw_dev);
LOG_ERR("%s: no cros_kb_raw device!", __func__);
return -EIO;
}
/**
* Enable or disable keyboard interrupts.
*/
void keyboard_raw_enable_interrupt(int enable)
{
if (cros_kb_raw_dev)
cros_kb_raw_enable_interrupt(cros_kb_raw_dev, enable);
else
LOG_ERR("%s: no cros_kb_raw device!", __func__);
}
|