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
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
|
/*
* tegra_alc5632.c -- Toshiba AC100(PAZ00) machine ASoC driver
*
* Copyright (C) 2011 The AC100 Kernel Team <ac100@lists.lauchpad.net>
* Copyright (C) 2012 - NVIDIA, Inc.
*
* Authors: Leon Romanovsky <leon@leon.nu>
* Andrey Danin <danindrey@mail.ru>
* Marc Dietrich <marvin24@gmx.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/gpio.h>
#include <linux/of_gpio.h>
#include <sound/core.h>
#include <sound/jack.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include "../codecs/alc5632.h"
#include "tegra_asoc_utils.h"
#define DRV_NAME "tegra-alc5632"
struct tegra_alc5632 {
struct tegra_asoc_utils_data util_data;
int gpio_hp_det;
};
static int tegra_alc5632_asoc_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
struct snd_soc_card *card = rtd->card;
struct tegra_alc5632 *alc5632 = snd_soc_card_get_drvdata(card);
int srate, mclk;
int err;
srate = params_rate(params);
mclk = 512 * srate;
err = tegra_asoc_utils_set_rate(&alc5632->util_data, srate, mclk);
if (err < 0) {
dev_err(card->dev, "Can't configure clocks\n");
return err;
}
err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
SND_SOC_CLOCK_IN);
if (err < 0) {
dev_err(card->dev, "codec_dai clock not set\n");
return err;
}
return 0;
}
static const struct snd_soc_ops tegra_alc5632_asoc_ops = {
.hw_params = tegra_alc5632_asoc_hw_params,
};
static struct snd_soc_jack tegra_alc5632_hs_jack;
static struct snd_soc_jack_pin tegra_alc5632_hs_jack_pins[] = {
{
.pin = "Headset Mic",
.mask = SND_JACK_MICROPHONE,
},
{
.pin = "Headset Stereophone",
.mask = SND_JACK_HEADPHONE,
},
};
static struct snd_soc_jack_gpio tegra_alc5632_hp_jack_gpio = {
.name = "Headset detection",
.report = SND_JACK_HEADSET,
.debounce_time = 150,
};
static const struct snd_soc_dapm_widget tegra_alc5632_dapm_widgets[] = {
SND_SOC_DAPM_SPK("Int Spk", NULL),
SND_SOC_DAPM_HP("Headset Stereophone", NULL),
SND_SOC_DAPM_MIC("Headset Mic", NULL),
SND_SOC_DAPM_MIC("Digital Mic", NULL),
};
static const struct snd_kcontrol_new tegra_alc5632_controls[] = {
SOC_DAPM_PIN_SWITCH("Int Spk"),
};
static int tegra_alc5632_asoc_init(struct snd_soc_pcm_runtime *rtd)
{
int ret;
struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(rtd->card);
ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
SND_JACK_HEADSET,
&tegra_alc5632_hs_jack,
tegra_alc5632_hs_jack_pins,
ARRAY_SIZE(tegra_alc5632_hs_jack_pins));
if (ret)
return ret;
if (gpio_is_valid(machine->gpio_hp_det)) {
tegra_alc5632_hp_jack_gpio.gpio = machine->gpio_hp_det;
snd_soc_jack_add_gpios(&tegra_alc5632_hs_jack,
1,
&tegra_alc5632_hp_jack_gpio);
}
snd_soc_dapm_force_enable_pin(&rtd->card->dapm, "MICBIAS1");
return 0;
}
static struct snd_soc_dai_link tegra_alc5632_dai = {
.name = "ALC5632",
.stream_name = "ALC5632 PCM",
.codec_dai_name = "alc5632-hifi",
.init = tegra_alc5632_asoc_init,
.ops = &tegra_alc5632_asoc_ops,
.dai_fmt = SND_SOC_DAIFMT_I2S
| SND_SOC_DAIFMT_NB_NF
| SND_SOC_DAIFMT_CBS_CFS,
};
static struct snd_soc_card snd_soc_tegra_alc5632 = {
.name = "tegra-alc5632",
.owner = THIS_MODULE,
.dai_link = &tegra_alc5632_dai,
.num_links = 1,
.controls = tegra_alc5632_controls,
.num_controls = ARRAY_SIZE(tegra_alc5632_controls),
.dapm_widgets = tegra_alc5632_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(tegra_alc5632_dapm_widgets),
.fully_routed = true,
};
static int tegra_alc5632_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
struct snd_soc_card *card = &snd_soc_tegra_alc5632;
struct tegra_alc5632 *alc5632;
int ret;
alc5632 = devm_kzalloc(&pdev->dev,
sizeof(struct tegra_alc5632), GFP_KERNEL);
if (!alc5632)
return -ENOMEM;
card->dev = &pdev->dev;
snd_soc_card_set_drvdata(card, alc5632);
alc5632->gpio_hp_det = of_get_named_gpio(np, "nvidia,hp-det-gpios", 0);
if (alc5632->gpio_hp_det == -EPROBE_DEFER)
return -EPROBE_DEFER;
ret = snd_soc_of_parse_card_name(card, "nvidia,model");
if (ret)
goto err;
ret = snd_soc_of_parse_audio_routing(card, "nvidia,audio-routing");
if (ret)
goto err;
tegra_alc5632_dai.codec_of_node = of_parse_phandle(
pdev->dev.of_node, "nvidia,audio-codec", 0);
if (!tegra_alc5632_dai.codec_of_node) {
dev_err(&pdev->dev,
"Property 'nvidia,audio-codec' missing or invalid\n");
ret = -EINVAL;
goto err;
}
tegra_alc5632_dai.cpu_of_node = of_parse_phandle(np,
"nvidia,i2s-controller", 0);
if (!tegra_alc5632_dai.cpu_of_node) {
dev_err(&pdev->dev,
"Property 'nvidia,i2s-controller' missing or invalid\n");
ret = -EINVAL;
goto err;
}
tegra_alc5632_dai.platform_of_node = tegra_alc5632_dai.cpu_of_node;
ret = tegra_asoc_utils_init(&alc5632->util_data, &pdev->dev);
if (ret)
goto err;
ret = snd_soc_register_card(card);
if (ret) {
dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
ret);
goto err_fini_utils;
}
return 0;
err_fini_utils:
tegra_asoc_utils_fini(&alc5632->util_data);
err:
return ret;
}
static int tegra_alc5632_remove(struct platform_device *pdev)
{
struct snd_soc_card *card = platform_get_drvdata(pdev);
struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(card);
snd_soc_unregister_card(card);
tegra_asoc_utils_fini(&machine->util_data);
return 0;
}
static const struct of_device_id tegra_alc5632_of_match[] = {
{ .compatible = "nvidia,tegra-audio-alc5632", },
{},
};
static struct platform_driver tegra_alc5632_driver = {
.driver = {
.name = DRV_NAME,
.pm = &snd_soc_pm_ops,
.of_match_table = tegra_alc5632_of_match,
},
.probe = tegra_alc5632_probe,
.remove = tegra_alc5632_remove,
};
module_platform_driver(tegra_alc5632_driver);
MODULE_AUTHOR("Leon Romanovsky <leon@leon.nu>");
MODULE_DESCRIPTION("Tegra+ALC5632 machine ASoC driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:" DRV_NAME);
MODULE_DEVICE_TABLE(of, tegra_alc5632_of_match);
|
