blob: a6f6f7c224f4403aadee4035e74e75130ee0bcef (
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
|
/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#include <console/console.h>
#include <device/device.h>
#include "dock.h"
#include <southbridge/intel/common/gpio.h>
#include <ec/lenovo/h8/h8.h>
#include <ec/acpi/ec.h>
void init_dock(void)
{
if (dock_present()) {
printk(BIOS_DEBUG, "dock is connected\n");
dock_connect();
} else
printk(BIOS_DEBUG, "dock is not connected\n");
}
void dock_connect(void)
{
ec_set_bit(0x02, 0);
ec_set_bit(0x1a, 0);
ec_set_bit(0xfe, 4);
set_gpio(28, GPIO_LEVEL_HIGH);
}
void dock_disconnect(void)
{
ec_clr_bit(0x02, 0);
ec_clr_bit(0x1a, 0);
ec_clr_bit(0xfe, 4);
set_gpio(28, GPIO_LEVEL_LOW);
}
int dock_present(void)
{
const int dock_id_gpio[] = { 3, 4, 5, -1};
return get_gpios(dock_id_gpio) != 7;
}
|