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
|
/* SPDX-License-Identifier: GPL-2.0-only */
#include <acpi/acpi_device.h>
#include <acpi/acpigen.h>
#include <console/console.h>
#include <device/device.h>
#include <device/path.h>
#include "chip.h"
static void alc1015_fill_ssdt(const struct device *dev)
{
struct drivers_generic_alc1015_config *config = dev->chip_info;
const char *path;
struct acpi_dp *dp;
if (!config)
return;
const char *scope = acpi_device_scope(dev);
const char *name = acpi_device_name(dev);
if (!scope || !name)
return;
/* Device */
acpigen_write_scope(scope);
acpigen_write_device(name);
acpigen_write_name_string("_HID", "RTL1015");
acpigen_write_name_integer("_UID", 0);
acpigen_write_name_string("_DDN", dev->chip_ops->name);
acpigen_write_STA(acpi_device_status(dev));
/* Resources */
acpigen_write_name("_CRS");
acpigen_write_resourcetemplate_header();
acpi_device_write_gpio(&config->sdb);
acpigen_write_resourcetemplate_footer();
/* _DSD for devicetree properties */
/* This points to the first pin in the first gpio entry in _CRS */
path = acpi_device_path(dev);
dp = acpi_dp_new_table("_DSD");
acpi_dp_add_gpio(dp, "sdb-gpios", path, 0, 0, config->sdb.active_low);
acpi_dp_write(dp);
acpigen_pop_len(); /* Device */
acpigen_pop_len(); /* Scope */
printk(BIOS_INFO, "%s: %s\n", path, dev->chip_ops->name);
}
static const char *alc1015_acpi_name(const struct device *dev)
{
return "ALCP";
}
static struct device_operations alc1015_ops = {
.read_resources = noop_read_resources,
.set_resources = noop_set_resources,
.acpi_name = alc1015_acpi_name,
.acpi_fill_ssdt = alc1015_fill_ssdt,
};
static void alc1015_enable(struct device *dev)
{
dev->ops = &alc1015_ops;
}
struct chip_operations drivers_generic_alc1015_ops = {
CHIP_NAME("ASoC RT1015P Amplifier driver")
.enable_dev = alc1015_enable
};
|
