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
125
126
127
128
129
130
|
/*
* 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/acpi.h>
#include <arch/acpi_device.h>
#include <arch/acpigen.h>
#include <console/console.h>
#include <device/i2c_simple.h>
#include <device/device.h>
#include <device/path.h>
#include <stdint.h>
#include <string.h>
#include "chip.h"
#if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES)
#define DA7219_ACPI_NAME "DLG7"
#define DA7219_ACPI_HID "DLGS7219"
static void da7219_fill_ssdt(struct device *dev)
{
struct drivers_i2c_da7219_config *config = dev->chip_info;
const char *scope = acpi_device_scope(dev);
struct acpi_i2c i2c = {
.address = dev->path.i2c.device,
.mode_10bit = dev->path.i2c.mode_10bit,
.speed = config->bus_speed ? : I2C_SPEED_FAST,
.resource = scope,
};
struct acpi_dp *dsd, *aad;
if (!dev->enabled || !scope)
return;
/* Device */
acpigen_write_scope(scope);
acpigen_write_device(acpi_device_name(dev));
acpigen_write_name_string("_HID", DA7219_ACPI_HID);
acpigen_write_name_integer("_UID", 1);
acpigen_write_name_string("_DDN", dev->chip_ops->name);
acpigen_write_name_integer("_S0W", 4);
acpigen_write_STA(acpi_device_status(dev));
/* Resources */
acpigen_write_name("_CRS");
acpigen_write_resourcetemplate_header();
acpi_device_write_i2c(&i2c);
/* Use either Interrupt() or GpioInt() */
if (config->irq_gpio.pin_count)
acpi_device_write_gpio(&config->irq_gpio);
else
acpi_device_write_interrupt(&config->irq);
acpigen_write_resourcetemplate_footer();
/* AAD Child Device Properties */
aad = acpi_dp_new_table("DAAD");
acpi_dp_add_integer(aad, "dlg,btn-cfg", config->btn_cfg);
acpi_dp_add_integer(aad, "dlg,mic-det-thr", config->mic_det_thr);
acpi_dp_add_integer(aad, "dlg,jack-ins-deb", config->jack_ins_deb);
acpi_dp_add_string(aad, "dlg,jack-det-rate", config->jack_det_rate);
acpi_dp_add_integer(aad, "dlg,jack-rem-deb", config->jack_rem_deb);
acpi_dp_add_integer(aad, "dlg,a-d-btn-thr", config->a_d_btn_thr);
acpi_dp_add_integer(aad, "dlg,d-b-btn-thr", config->d_b_btn_thr);
acpi_dp_add_integer(aad, "dlg,b-c-btn-thr", config->b_c_btn_thr);
acpi_dp_add_integer(aad, "dlg,c-mic-btn-thr", config->c_mic_btn_thr);
acpi_dp_add_integer(aad, "dlg,btn-avg", config->btn_avg);
acpi_dp_add_integer(aad, "dlg,adc-1bit-rpt", config->adc_1bit_rpt);
if (config->micbias_pulse_lvl > 0) {
acpi_dp_add_integer(aad, "dlg,micbias-pulse-lvl",
config->micbias_pulse_lvl);
acpi_dp_add_integer(aad, "dlg,micbias-pulse-time",
config->micbias_pulse_time);
}
/* DA7219 Properties */
dsd = acpi_dp_new_table("_DSD");
acpi_dp_add_integer(dsd, "dlg,micbias-lvl", config->micbias_lvl);
acpi_dp_add_string(dsd, "dlg,mic-amp-in-sel", config->mic_amp_in_sel);
if (config->mclk_name != NULL)
acpi_dp_add_string(dsd, "dlg,mclk-name", config->mclk_name);
acpi_dp_add_child(dsd, "da7219_aad", aad);
/* Write Device Property Hierarchy */
acpi_dp_write(dsd);
acpigen_pop_len(); /* Device */
acpigen_pop_len(); /* Scope */
printk(BIOS_INFO, "%s: %s address 0%xh irq %d\n",
acpi_device_path(dev), dev->chip_ops->name,
dev->path.i2c.device, config->irq.pin);
}
static const char *da7219_acpi_name(const struct device *dev)
{
return DA7219_ACPI_NAME;
}
#endif
static struct device_operations da7219_ops = {
.read_resources = DEVICE_NOOP,
.set_resources = DEVICE_NOOP,
.enable_resources = DEVICE_NOOP,
#if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES)
.acpi_name = &da7219_acpi_name,
.acpi_fill_ssdt_generator = &da7219_fill_ssdt,
#endif
};
static void da7219_enable(struct device *dev)
{
dev->ops = &da7219_ops;
}
struct chip_operations drivers_i2c_da7219_ops = {
CHIP_NAME("Dialog Semiconductor DA7219 Audio Codec")
.enable_dev = &da7219_enable
};
|
