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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
/* 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_S2, NONE, DEEP, NF2), /* DMIC_CLK0_R */
PAD_CFG_NF(GPP_S3, NONE, DEEP, NF2), /* DMIC_DATA0_R */
PAD_CFG_NF(GPP_S6, NONE, DEEP, NF2), /* DMIC_CLK1_R */
PAD_CFG_NF(GPP_S7, NONE, DEEP, NF2), /* DMIC_DATA1_R */
};
static const struct pad_config dmic_disable_pads[] = {
PAD_NC(GPP_S2, NONE),
PAD_NC(GPP_S3, 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), /* SDW_HP_CLK_R */
PAD_CFG_NF(GPP_S1, NONE, DEEP, NF1), /* SDW_HP_DATA_R */
PAD_CFG_NF(GPP_S4, NONE, DEEP, NF1), /* SDW_SPKR_CLK */
PAD_CFG_NF(GPP_S5, NONE, DEEP, NF1), /* SDW_SPKR_DATA */
};
static const struct pad_config max98360_enable_pads[] = {
PAD_CFG_NF(GPP_S0, NONE, DEEP, NF4), /* I2S_SPKR_SCLK_R */
PAD_CFG_NF(GPP_S1, NONE, DEEP, NF4), /* I2S_SPKR_SFRM_R */
PAD_CFG_NF(GPP_S2, NONE, DEEP, NF4), /* I2S_PCH_TX_SPKR_RX_R */
PAD_CFG_NF(GPP_S3, NONE, DEEP, NF4), /* I2S_PCH_RX_SPKR_TX */
PAD_CFG_NF(GPP_S6, NONE, DEEP, NF2), /* DMIC_CLK0_R */
PAD_CFG_NF(GPP_S7, NONE, DEEP, NF2), /* DMIC_DATA0_R */
PAD_CFG_NF(GPP_R4, NONE, DEEP, NF3), /* DMIC_CLK1_R */
PAD_CFG_NF(GPP_R5, NONE, DEEP, NF3), /* DMIC_DATA1_R */
PAD_NC(GPP_R6, NONE),
PAD_NC(GPP_R7, NONE),
};
static const struct pad_config sndw_disable_pads[] = {
PAD_NC(GPP_S0, NONE),
PAD_NC(GPP_S1, NONE),
PAD_NC(GPP_S4, NONE),
PAD_NC(GPP_S5, NONE),
};
static const struct pad_config i2s0_enable_pads[] = {
PAD_CFG_NF(GPP_R0, NONE, DEEP, NF2), /* I2S_HP_SCLK_R */
PAD_CFG_NF(GPP_R1, NONE, DEEP, NF2), /* I2S_HP_SFRM_R */
PAD_CFG_NF(GPP_R2, DN_20K, DEEP, NF2), /* I2S_PCH_TX_HP_RX_STRAP */
PAD_CFG_NF(GPP_R3, NONE, DEEP, NF2), /* I2S_PCH_RX_HP_TX */
};
static const struct pad_config i2s2_enable_pads[] = {
PAD_CFG_NF(GPP_R4, NONE, DEEP, NF2), /* I2S_SPKR_SCLK_R */
PAD_CFG_NF(GPP_R5, NONE, DEEP, NF2), /* I2S_SPKR_SFRM_R */
PAD_CFG_NF(GPP_R6, NONE, DEEP, NF2), /* I2S_PCH_TX_SPKR_RX_R */
PAD_CFG_NF(GPP_R7, NONE, DEEP, NF2), /* I2S_PCH_RX_SPKR_TX */
};
static const struct pad_config i2s0_disable_pads[] = {
PAD_NC(GPP_R0, NONE),
PAD_NC(GPP_R1, NONE),
PAD_NC(GPP_R2, NONE),
PAD_NC(GPP_R3, NONE),
};
static const struct pad_config i2s2_disable_pads[] = {
PAD_NC(GPP_R4, NONE),
PAD_NC(GPP_R5, NONE),
PAD_NC(GPP_R6, NONE),
PAD_NC(GPP_R7, NONE),
};
static const struct pad_config bt_i2s_enable_pads[] = {
PAD_CFG_NF(GPP_VGPIO_30, NONE, DEEP, NF3), /* BT_I2S_BCLK */
PAD_CFG_NF(GPP_VGPIO_31, NONE, DEEP, NF3), /* BT_I2S_SYNC */
PAD_CFG_NF(GPP_VGPIO_32, NONE, DEEP, NF3), /* BT_I2S_SDO */
PAD_CFG_NF(GPP_VGPIO_33, NONE, DEEP, NF3), /* BT_I2S_SDI */
PAD_CFG_NF(GPP_VGPIO_34, NONE, DEEP, NF1), /* SSP2_SCLK */
PAD_CFG_NF(GPP_VGPIO_35, NONE, DEEP, NF1), /* SSP2_SFRM */
PAD_CFG_NF(GPP_VGPIO_36, NONE, DEEP, NF1), /* SSP_TXD */
PAD_CFG_NF(GPP_VGPIO_37, NONE, DEEP, NF1), /* SSP_RXD */
};
static const struct pad_config bt_i2s_disable_pads[] = {
PAD_NC(GPP_VGPIO_30, NONE),
PAD_NC(GPP_VGPIO_31, NONE),
PAD_NC(GPP_VGPIO_32, NONE),
PAD_NC(GPP_VGPIO_33, NONE),
PAD_NC(GPP_VGPIO_34, NONE),
PAD_NC(GPP_VGPIO_35, NONE),
PAD_NC(GPP_VGPIO_36, NONE),
PAD_NC(GPP_VGPIO_37, NONE),
};
static void enable_i2s(void)
{
gpio_configure_pads(dmic_enable_pads, ARRAY_SIZE(dmic_enable_pads));
gpio_configure_pads(i2s0_enable_pads, ARRAY_SIZE(i2s0_enable_pads));
gpio_configure_pads(i2s2_enable_pads, ARRAY_SIZE(i2s2_enable_pads));
gpio_configure_pads(sndw_disable_pads, ARRAY_SIZE(sndw_disable_pads));
}
static void fw_config_handle(void *unused)
{
if (!fw_config_is_provisioned() || fw_config_probe(FW_CONFIG(AUDIO, AUDIO_UNKNOWN))) {
printk(BIOS_INFO, "Disable audio related GPIO pins.\n");
gpio_configure_pads(i2s0_disable_pads, ARRAY_SIZE(i2s0_disable_pads));
gpio_configure_pads(i2s2_disable_pads, ARRAY_SIZE(i2s2_disable_pads));
gpio_configure_pads(dmic_disable_pads, ARRAY_SIZE(dmic_disable_pads));
gpio_configure_pads(sndw_disable_pads, ARRAY_SIZE(sndw_disable_pads));
return;
}
if (fw_config_probe(FW_CONFIG(AUDIO, MAX98373_ALC5682_SNDW))) {
printk(BIOS_INFO, "Configure audio over SoundWire with MAX98373 ALC5682.\n");
gpio_configure_pads(dmic_enable_pads, ARRAY_SIZE(dmic_enable_pads));
gpio_configure_pads(sndw_enable_pads, ARRAY_SIZE(sndw_enable_pads));
printk(BIOS_INFO, "BT offload enabled\n");
gpio_configure_pads(i2s0_enable_pads, ARRAY_SIZE(i2s0_enable_pads));
gpio_configure_pads(i2s2_disable_pads, ARRAY_SIZE(i2s2_disable_pads));
gpio_configure_pads(bt_i2s_enable_pads, ARRAY_SIZE(bt_i2s_enable_pads));
} else if (!fw_config_probe(FW_CONFIG(AUDIO, MAX98360_ALC5682I_I2S))) {
printk(BIOS_INFO, "BT offload disabled\n");
gpio_configure_pads(i2s0_disable_pads, ARRAY_SIZE(i2s0_disable_pads));
gpio_configure_pads(i2s2_disable_pads, ARRAY_SIZE(i2s2_disable_pads));
gpio_configure_pads(bt_i2s_disable_pads, ARRAY_SIZE(bt_i2s_disable_pads));
}
if (fw_config_probe(FW_CONFIG(AUDIO, MAX98357_ALC5682I_I2S))) {
printk(BIOS_INFO, "Configure audio over I2S with MAX98357 ALC5682I.\n");
enable_i2s();
}
if (fw_config_probe(FW_CONFIG(AUDIO, ALC1019_NAU88L25B_I2S))) {
printk(BIOS_INFO, "Configure audio over I2S with ALC1019 NAU88L25B.\n");
enable_i2s();
}
if (fw_config_probe(FW_CONFIG(AUDIO, MAX98360_ALC5682I_I2S))) {
printk(BIOS_INFO, "Configure audio over I2S with MAX98360 ALC5682I.\n");
gpio_configure_pads(max98360_enable_pads, ARRAY_SIZE(max98360_enable_pads));
printk(BIOS_INFO, "BT offload enabled\n");
gpio_configure_pads(i2s0_enable_pads, ARRAY_SIZE(i2s0_enable_pads));
gpio_configure_pads(bt_i2s_enable_pads, ARRAY_SIZE(bt_i2s_enable_pads));
}
}
BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, fw_config_handle, NULL);
|
