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
|
/* SPDX-License-Identifier: GPL-2.0-only */
#include <bootstate.h>
#include <console/console.h>
#include <fw_config.h>
#include <gpio.h>
static const struct pad_config dmic_enable_pads[] = {
PAD_CFG_NF(GPP_S4, NONE, DEEP, NF2), /* DMIC_CLK1 */
PAD_CFG_NF(GPP_S5, NONE, DEEP, NF2), /* DMIC_DATA1 */
PAD_CFG_NF(GPP_S6, NONE, DEEP, NF2), /* DMIC_CLK0 */
PAD_CFG_NF(GPP_S7, NONE, DEEP, NF2), /* DMIC_DATA0 */
};
static const struct pad_config dmic_disable_pads[] = {
PAD_NC(GPP_S4, NONE),
PAD_NC(GPP_S5, NONE),
PAD_NC(GPP_S6, NONE),
PAD_NC(GPP_S7, NONE),
};
static const struct pad_config sndw_enable_pads[] = {
PAD_CFG_NF(GPP_S0, NONE, DEEP, NF1), /* SNDW0_CLK */
PAD_CFG_NF(GPP_S1, NONE, DEEP, NF1), /* SNDW0_DATA */
PAD_CFG_NF(GPP_S2, NONE, DEEP, NF1), /* SNDW1_CLK */
PAD_CFG_NF(GPP_S3, NONE, DEEP, NF1), /* SNDW1_DATA */
};
static const struct pad_config sndw_disable_pads[] = {
PAD_NC(GPP_S0, NONE),
PAD_NC(GPP_S1, NONE),
PAD_NC(GPP_S2, NONE),
PAD_NC(GPP_S3, NONE),
};
static const struct pad_config i2s_enable_pads[] = {
PAD_CFG_NF(GPP_A23, NONE, DEEP, NF1), /* I2S1_SCLK */
PAD_CFG_NF(GPP_D19, NONE, DEEP, NF1), /* I2S_MCLK1 */
PAD_CFG_NF(GPP_R0, NONE, DEEP, NF2), /* I2S0_SCLK */
PAD_CFG_NF(GPP_R1, NONE, DEEP, NF2), /* I2S0_SFRM */
PAD_CFG_NF(GPP_R2, DN_20K, DEEP, NF2), /* I2S0_TXD */
PAD_CFG_NF(GPP_R3, NONE, DEEP, NF2), /* I2S0_RXD */
PAD_CFG_NF(GPP_R5, NONE, DEEP, NF2), /* I2S1_RXD */
PAD_CFG_NF(GPP_R6, NONE, DEEP, NF2), /* I2S1_TXD */
PAD_CFG_NF(GPP_R7, NONE, DEEP, NF2), /* I2S1_SFRM */
};
static const struct pad_config i2s_disable_pads[] = {
PAD_NC(GPP_A23, NONE),
PAD_NC(GPP_D19, NONE),
PAD_NC(GPP_R0, NONE),
PAD_NC(GPP_R1, NONE),
PAD_NC(GPP_R2, DN_20K),
PAD_NC(GPP_R3, NONE),
PAD_NC(GPP_R5, NONE),
PAD_NC(GPP_R6, NONE),
PAD_NC(GPP_R7, NONE),
};
static void fw_config_handle(void *unused)
{
if (fw_config_probe(FW_CONFIG(AUDIO, NONE))) {
printk(BIOS_INFO, "Configure GPIOs for no audio.\n");
gpio_configure_pads(i2s_disable_pads, ARRAY_SIZE(i2s_disable_pads));
gpio_configure_pads(dmic_disable_pads, ARRAY_SIZE(dmic_disable_pads));
gpio_configure_pads(sndw_disable_pads, ARRAY_SIZE(sndw_disable_pads));
}
if (fw_config_probe(FW_CONFIG(AUDIO, MAX98373_ALC5682_SNDW))) {
printk(BIOS_INFO, "Configure GPIOs for SoundWire audio.\n");
gpio_configure_pads(sndw_enable_pads, ARRAY_SIZE(sndw_enable_pads));
gpio_configure_pads(dmic_enable_pads, ARRAY_SIZE(dmic_enable_pads));
gpio_configure_pads(i2s_disable_pads, ARRAY_SIZE(i2s_disable_pads));
}
if (fw_config_probe(FW_CONFIG(AUDIO, MAX98357_ALC5682I_I2S)) ||
fw_config_probe(FW_CONFIG(AUDIO, MAX98373_ALC5682I_I2S))) {
printk(BIOS_INFO, "Configure GPIOs for I2S audio.\n");
gpio_configure_pads(i2s_enable_pads, ARRAY_SIZE(i2s_enable_pads));
gpio_configure_pads(dmic_enable_pads, ARRAY_SIZE(dmic_enable_pads));
gpio_configure_pads(sndw_disable_pads, ARRAY_SIZE(sndw_disable_pads));
}
}
BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, fw_config_handle, NULL);
|