2 * tegra_alc5632.c -- Toshiba AC100(PAZ00) machine ASoC driver
4 * Copyright (C) 2011 The AC100 Kernel Team <ac100@lists.lauchpad.net>
5 * Copyright (C) 2012 - NVIDIA, Inc.
7 * Authors: Leon Romanovsky <leon@leon.nu>
8 * Andrey Danin <danindrey@mail.ru>
9 * Marc Dietrich <marvin24@gmx.de>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
16 #include <linux/module.h>
17 #include <linux/platform_device.h>
18 #include <linux/slab.h>
19 #include <linux/gpio.h>
20 #include <linux/of_gpio.h>
22 #include <sound/core.h>
23 #include <sound/jack.h>
24 #include <sound/pcm.h>
25 #include <sound/pcm_params.h>
26 #include <sound/soc.h>
28 #include "../codecs/alc5632.h"
30 #include "tegra_asoc_utils.h"
32 #define DRV_NAME "tegra-alc5632"
34 struct tegra_alc5632
{
35 struct tegra_asoc_utils_data util_data
;
39 static int tegra_alc5632_asoc_hw_params(struct snd_pcm_substream
*substream
,
40 struct snd_pcm_hw_params
*params
)
42 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
43 struct snd_soc_dai
*codec_dai
= rtd
->codec_dai
;
44 struct snd_soc_card
*card
= rtd
->card
;
45 struct tegra_alc5632
*alc5632
= snd_soc_card_get_drvdata(card
);
49 srate
= params_rate(params
);
52 err
= tegra_asoc_utils_set_rate(&alc5632
->util_data
, srate
, mclk
);
54 dev_err(card
->dev
, "Can't configure clocks\n");
58 err
= snd_soc_dai_set_sysclk(codec_dai
, 0, mclk
,
61 dev_err(card
->dev
, "codec_dai clock not set\n");
68 static struct snd_soc_ops tegra_alc5632_asoc_ops
= {
69 .hw_params
= tegra_alc5632_asoc_hw_params
,
72 static struct snd_soc_jack tegra_alc5632_hs_jack
;
74 static struct snd_soc_jack_pin tegra_alc5632_hs_jack_pins
[] = {
77 .mask
= SND_JACK_MICROPHONE
,
80 .pin
= "Headset Stereophone",
81 .mask
= SND_JACK_HEADPHONE
,
85 static struct snd_soc_jack_gpio tegra_alc5632_hp_jack_gpio
= {
86 .name
= "Headset detection",
87 .report
= SND_JACK_HEADSET
,
91 static const struct snd_soc_dapm_widget tegra_alc5632_dapm_widgets
[] = {
92 SND_SOC_DAPM_SPK("Int Spk", NULL
),
93 SND_SOC_DAPM_HP("Headset Stereophone", NULL
),
94 SND_SOC_DAPM_MIC("Headset Mic", NULL
),
95 SND_SOC_DAPM_MIC("Digital Mic", NULL
),
98 static const struct snd_kcontrol_new tegra_alc5632_controls
[] = {
99 SOC_DAPM_PIN_SWITCH("Int Spk"),
102 static int tegra_alc5632_asoc_init(struct snd_soc_pcm_runtime
*rtd
)
104 struct snd_soc_dai
*codec_dai
= rtd
->codec_dai
;
105 struct snd_soc_codec
*codec
= codec_dai
->codec
;
106 struct snd_soc_dapm_context
*dapm
= &codec
->dapm
;
107 struct tegra_alc5632
*machine
= snd_soc_card_get_drvdata(rtd
->card
);
109 snd_soc_card_jack_new(rtd
->card
, "Headset Jack", SND_JACK_HEADSET
,
110 &tegra_alc5632_hs_jack
,
111 tegra_alc5632_hs_jack_pins
,
112 ARRAY_SIZE(tegra_alc5632_hs_jack_pins
));
114 if (gpio_is_valid(machine
->gpio_hp_det
)) {
115 tegra_alc5632_hp_jack_gpio
.gpio
= machine
->gpio_hp_det
;
116 snd_soc_jack_add_gpios(&tegra_alc5632_hs_jack
,
118 &tegra_alc5632_hp_jack_gpio
);
121 snd_soc_dapm_force_enable_pin(dapm
, "MICBIAS1");
126 static int tegra_alc5632_card_remove(struct snd_soc_card
*card
)
128 struct tegra_alc5632
*machine
= snd_soc_card_get_drvdata(card
);
130 if (gpio_is_valid(machine
->gpio_hp_det
)) {
131 snd_soc_jack_free_gpios(&tegra_alc5632_hs_jack
, 1,
132 &tegra_alc5632_hp_jack_gpio
);
138 static struct snd_soc_dai_link tegra_alc5632_dai
= {
140 .stream_name
= "ALC5632 PCM",
141 .codec_dai_name
= "alc5632-hifi",
142 .init
= tegra_alc5632_asoc_init
,
143 .ops
= &tegra_alc5632_asoc_ops
,
144 .dai_fmt
= SND_SOC_DAIFMT_I2S
145 | SND_SOC_DAIFMT_NB_NF
146 | SND_SOC_DAIFMT_CBS_CFS
,
149 static struct snd_soc_card snd_soc_tegra_alc5632
= {
150 .name
= "tegra-alc5632",
151 .owner
= THIS_MODULE
,
152 .remove
= tegra_alc5632_card_remove
,
153 .dai_link
= &tegra_alc5632_dai
,
155 .controls
= tegra_alc5632_controls
,
156 .num_controls
= ARRAY_SIZE(tegra_alc5632_controls
),
157 .dapm_widgets
= tegra_alc5632_dapm_widgets
,
158 .num_dapm_widgets
= ARRAY_SIZE(tegra_alc5632_dapm_widgets
),
159 .fully_routed
= true,
162 static int tegra_alc5632_probe(struct platform_device
*pdev
)
164 struct device_node
*np
= pdev
->dev
.of_node
;
165 struct snd_soc_card
*card
= &snd_soc_tegra_alc5632
;
166 struct tegra_alc5632
*alc5632
;
169 alc5632
= devm_kzalloc(&pdev
->dev
,
170 sizeof(struct tegra_alc5632
), GFP_KERNEL
);
172 dev_err(&pdev
->dev
, "Can't allocate tegra_alc5632\n");
176 card
->dev
= &pdev
->dev
;
177 platform_set_drvdata(pdev
, card
);
178 snd_soc_card_set_drvdata(card
, alc5632
);
180 alc5632
->gpio_hp_det
= of_get_named_gpio(np
, "nvidia,hp-det-gpios", 0);
181 if (alc5632
->gpio_hp_det
== -EPROBE_DEFER
)
182 return -EPROBE_DEFER
;
184 ret
= snd_soc_of_parse_card_name(card
, "nvidia,model");
188 ret
= snd_soc_of_parse_audio_routing(card
, "nvidia,audio-routing");
192 tegra_alc5632_dai
.codec_of_node
= of_parse_phandle(
193 pdev
->dev
.of_node
, "nvidia,audio-codec", 0);
195 if (!tegra_alc5632_dai
.codec_of_node
) {
197 "Property 'nvidia,audio-codec' missing or invalid\n");
202 tegra_alc5632_dai
.cpu_of_node
= of_parse_phandle(np
,
203 "nvidia,i2s-controller", 0);
204 if (!tegra_alc5632_dai
.cpu_of_node
) {
206 "Property 'nvidia,i2s-controller' missing or invalid\n");
211 tegra_alc5632_dai
.platform_of_node
= tegra_alc5632_dai
.cpu_of_node
;
213 ret
= tegra_asoc_utils_init(&alc5632
->util_data
, &pdev
->dev
);
217 ret
= snd_soc_register_card(card
);
219 dev_err(&pdev
->dev
, "snd_soc_register_card failed (%d)\n",
227 tegra_asoc_utils_fini(&alc5632
->util_data
);
232 static int tegra_alc5632_remove(struct platform_device
*pdev
)
234 struct snd_soc_card
*card
= platform_get_drvdata(pdev
);
235 struct tegra_alc5632
*machine
= snd_soc_card_get_drvdata(card
);
237 snd_soc_unregister_card(card
);
239 tegra_asoc_utils_fini(&machine
->util_data
);
244 static const struct of_device_id tegra_alc5632_of_match
[] = {
245 { .compatible
= "nvidia,tegra-audio-alc5632", },
249 static struct platform_driver tegra_alc5632_driver
= {
252 .pm
= &snd_soc_pm_ops
,
253 .of_match_table
= tegra_alc5632_of_match
,
255 .probe
= tegra_alc5632_probe
,
256 .remove
= tegra_alc5632_remove
,
258 module_platform_driver(tegra_alc5632_driver
);
260 MODULE_AUTHOR("Leon Romanovsky <leon@leon.nu>");
261 MODULE_DESCRIPTION("Tegra+ALC5632 machine ASoC driver");
262 MODULE_LICENSE("GPL");
263 MODULE_ALIAS("platform:" DRV_NAME
);
264 MODULE_DEVICE_TABLE(of
, tegra_alc5632_of_match
);