blob: 8fd47a6a762fb9534e926b240d4b8323bdce4c69 (
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
|
/*
* This file is part of the coreboot project.
*
* Copyright 2016 Google Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <arch/acpigen.h>
#if IS_ENABLED(CONFIG_GENERIC_GPIO_LIB)
#include <gpio.h>
#endif
#include "chromeos.h"
void chromeos_acpi_gpio_generate(const struct cros_gpio *gpios, size_t num)
{
size_t i;
int gpio_num;
acpigen_write_scope("\\");
acpigen_write_name("OIPG");
acpigen_write_package(num);
for (i = 0; i < num; i++) {
acpigen_write_package(4);
acpigen_write_integer(gpios[i].type);
acpigen_write_integer(gpios[i].polarity);
gpio_num = gpios[i].gpio_num;
#if IS_ENABLED(CONFIG_GENERIC_GPIO_LIB)
/* Get ACPI pin from GPIO library if available */
if (gpios[i].gpio_num != CROS_GPIO_VIRTUAL)
gpio_num = gpio_acpi_pin(gpio_num);
#endif
acpigen_write_integer(gpio_num);
acpigen_write_string(gpios[i].device);
acpigen_pop_len();
}
acpigen_pop_len();
acpigen_pop_len();
}
void chromeos_dsdt_generator(struct device *dev)
{
mainboard_chromeos_acpi_generate();
}
|