2 * tegra_alc5632.c -- Toshiba AC100(PAZ00) machine ASoC driver
4 * Copyright (C) 2011 The AC100 Kernel Team <ac100@lists.lauchpad.net>
6 * Authors: Leon Romanovsky <leon@leon.nu>
7 * Andrey Danin <danindrey@mail.ru>
8 * Marc Dietrich <marvin24@gmx.de>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
15 #include <asm/mach-types.h>
17 #include <linux/module.h>
18 #include <linux/platform_device.h>
19 #include <linux/slab.h>
20 #include <linux/gpio.h>
21 #include <linux/of_gpio.h>
23 #include <sound/core.h>
24 #include <sound/jack.h>
25 #include <sound/pcm.h>
26 #include <sound/pcm_params.h>
27 #include <sound/soc.h>
29 #include "../codecs/alc5632.h"
31 #include "tegra_das.h"
32 #include "tegra_i2s.h"
33 #include "tegra_pcm.h"
34 #include "tegra_asoc_utils.h"
36 #define DRV_NAME "tegra-alc5632"
38 #define GPIO_HP_DET BIT(0)
40 struct tegra_alc5632
{
41 struct tegra_asoc_utils_data util_data
;
42 struct platform_device
*pcm_dev
;
47 static int tegra_alc5632_asoc_hw_params(struct snd_pcm_substream
*substream
,
48 struct snd_pcm_hw_params
*params
)
50 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
51 struct snd_soc_dai
*codec_dai
= rtd
->codec_dai
;
52 struct snd_soc_codec
*codec
= rtd
->codec
;
53 struct snd_soc_card
*card
= codec
->card
;
54 struct tegra_alc5632
*alc5632
= snd_soc_card_get_drvdata(card
);
58 srate
= params_rate(params
);
61 err
= tegra_asoc_utils_set_rate(&alc5632
->util_data
, srate
, mclk
);
63 dev_err(card
->dev
, "Can't configure clocks\n");
67 err
= snd_soc_dai_set_sysclk(codec_dai
, 0, mclk
,
70 dev_err(card
->dev
, "codec_dai clock not set\n");
77 static struct snd_soc_ops tegra_alc5632_asoc_ops
= {
78 .hw_params
= tegra_alc5632_asoc_hw_params
,
81 static struct snd_soc_jack tegra_alc5632_hs_jack
;
83 static struct snd_soc_jack_pin tegra_alc5632_hs_jack_pins
[] = {
86 .mask
= SND_JACK_MICROPHONE
,
89 .pin
= "Headset Stereophone",
90 .mask
= SND_JACK_HEADPHONE
,
94 static struct snd_soc_jack_gpio tegra_alc5632_hp_jack_gpio
= {
95 .name
= "Headset detection",
96 .report
= SND_JACK_HEADSET
,
101 static const struct snd_soc_dapm_widget tegra_alc5632_dapm_widgets
[] = {
102 SND_SOC_DAPM_SPK("Int Spk", NULL
),
103 SND_SOC_DAPM_HP("Headset Stereophone", NULL
),
104 SND_SOC_DAPM_MIC("Headset Mic", NULL
),
105 SND_SOC_DAPM_MIC("Digital Mic", NULL
),
108 static const struct snd_kcontrol_new tegra_alc5632_controls
[] = {
109 SOC_DAPM_PIN_SWITCH("Int Spk"),
112 static int tegra_alc5632_asoc_init(struct snd_soc_pcm_runtime
*rtd
)
114 struct snd_soc_codec
*codec
= rtd
->codec
;
115 struct snd_soc_dapm_context
*dapm
= &codec
->dapm
;
116 struct device_node
*np
= codec
->card
->dev
->of_node
;
117 struct tegra_alc5632
*machine
= snd_soc_card_get_drvdata(codec
->card
);
119 snd_soc_jack_new(codec
, "Headset Jack", SND_JACK_HEADSET
,
120 &tegra_alc5632_hs_jack
);
121 snd_soc_jack_add_pins(&tegra_alc5632_hs_jack
,
122 ARRAY_SIZE(tegra_alc5632_hs_jack_pins
),
123 tegra_alc5632_hs_jack_pins
);
125 machine
->gpio_hp_det
= of_get_named_gpio(np
, "nvidia,hp-det-gpios", 0);
127 if (gpio_is_valid(machine
->gpio_hp_det
)) {
128 tegra_alc5632_hp_jack_gpio
.gpio
= machine
->gpio_hp_det
;
129 snd_soc_jack_add_gpios(&tegra_alc5632_hs_jack
,
131 &tegra_alc5632_hp_jack_gpio
);
132 machine
->gpio_requested
|= GPIO_HP_DET
;
135 snd_soc_dapm_force_enable_pin(dapm
, "MICBIAS1");
140 static struct snd_soc_dai_link tegra_alc5632_dai
= {
142 .stream_name
= "ALC5632 PCM",
143 .platform_name
= "tegra-pcm-audio",
144 .codec_dai_name
= "alc5632-hifi",
145 .init
= tegra_alc5632_asoc_init
,
146 .ops
= &tegra_alc5632_asoc_ops
,
147 .dai_fmt
= SND_SOC_DAIFMT_I2S
148 | SND_SOC_DAIFMT_NB_NF
149 | SND_SOC_DAIFMT_CBS_CFS
,
152 static struct snd_soc_card snd_soc_tegra_alc5632
= {
153 .name
= "tegra-alc5632",
154 .owner
= THIS_MODULE
,
155 .dai_link
= &tegra_alc5632_dai
,
157 .controls
= tegra_alc5632_controls
,
158 .num_controls
= ARRAY_SIZE(tegra_alc5632_controls
),
159 .dapm_widgets
= tegra_alc5632_dapm_widgets
,
160 .num_dapm_widgets
= ARRAY_SIZE(tegra_alc5632_dapm_widgets
),
161 .fully_routed
= true,
164 static __devinit
int tegra_alc5632_probe(struct platform_device
*pdev
)
166 struct snd_soc_card
*card
= &snd_soc_tegra_alc5632
;
167 struct tegra_alc5632
*alc5632
;
170 alc5632
= devm_kzalloc(&pdev
->dev
,
171 sizeof(struct tegra_alc5632
), GFP_KERNEL
);
173 dev_err(&pdev
->dev
, "Can't allocate tegra_alc5632\n");
178 card
->dev
= &pdev
->dev
;
179 platform_set_drvdata(pdev
, card
);
180 snd_soc_card_set_drvdata(card
, alc5632
);
182 alc5632
->pcm_dev
= ERR_PTR(-EINVAL
);
184 if (!(pdev
->dev
.of_node
)) {
185 dev_err(&pdev
->dev
, "Must be instantiated using device tree\n");
190 ret
= snd_soc_of_parse_card_name(card
, "nvidia,model");
194 ret
= snd_soc_of_parse_audio_routing(card
, "nvidia,audio-routing");
198 tegra_alc5632_dai
.codec_of_node
= of_parse_phandle(
199 pdev
->dev
.of_node
, "nvidia,audio-codec", 0);
201 if (!tegra_alc5632_dai
.codec_of_node
) {
203 "Property 'nvidia,audio-codec' missing or invalid\n");
208 tegra_alc5632_dai
.cpu_dai_of_node
= of_parse_phandle(
209 pdev
->dev
.of_node
, "nvidia,i2s-controller", 0);
210 if (!tegra_alc5632_dai
.cpu_dai_of_node
) {
212 "Property 'nvidia,i2s-controller' missing or invalid\n");
217 alc5632
->pcm_dev
= platform_device_register_simple(
218 "tegra-pcm-audio", -1, NULL
, 0);
219 if (IS_ERR(alc5632
->pcm_dev
)) {
221 "Can't instantiate tegra-pcm-audio\n");
222 ret
= PTR_ERR(alc5632
->pcm_dev
);
226 ret
= tegra_asoc_utils_init(&alc5632
->util_data
, &pdev
->dev
);
230 ret
= snd_soc_register_card(card
);
232 dev_err(&pdev
->dev
, "snd_soc_register_card failed (%d)\n",
240 tegra_asoc_utils_fini(&alc5632
->util_data
);
242 if (!IS_ERR(alc5632
->pcm_dev
))
243 platform_device_unregister(alc5632
->pcm_dev
);
248 static int __devexit
tegra_alc5632_remove(struct platform_device
*pdev
)
250 struct snd_soc_card
*card
= platform_get_drvdata(pdev
);
251 struct tegra_alc5632
*machine
= snd_soc_card_get_drvdata(card
);
253 if (machine
->gpio_requested
& GPIO_HP_DET
)
254 snd_soc_jack_free_gpios(&tegra_alc5632_hs_jack
,
256 &tegra_alc5632_hp_jack_gpio
);
257 machine
->gpio_requested
= 0;
259 snd_soc_unregister_card(card
);
261 tegra_asoc_utils_fini(&machine
->util_data
);
262 if (!IS_ERR(machine
->pcm_dev
))
263 platform_device_unregister(machine
->pcm_dev
);
268 static const struct of_device_id tegra_alc5632_of_match
[] __devinitconst
= {
269 { .compatible
= "nvidia,tegra-audio-alc5632", },
273 static struct platform_driver tegra_alc5632_driver
= {
276 .owner
= THIS_MODULE
,
277 .pm
= &snd_soc_pm_ops
,
278 .of_match_table
= tegra_alc5632_of_match
,
280 .probe
= tegra_alc5632_probe
,
281 .remove
= __devexit_p(tegra_alc5632_remove
),
283 module_platform_driver(tegra_alc5632_driver
);
285 MODULE_AUTHOR("Leon Romanovsky <leon@leon.nu>");
286 MODULE_DESCRIPTION("Tegra+ALC5632 machine ASoC driver");
287 MODULE_LICENSE("GPL");
288 MODULE_ALIAS("platform:" DRV_NAME
);
289 MODULE_DEVICE_TABLE(of
, tegra_alc5632_of_match
);