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 <asm/mach-types.h>
18 #include <linux/module.h>
19 #include <linux/platform_device.h>
20 #include <linux/slab.h>
21 #include <linux/gpio.h>
22 #include <linux/of_gpio.h>
24 #include <sound/core.h>
25 #include <sound/jack.h>
26 #include <sound/pcm.h>
27 #include <sound/pcm_params.h>
28 #include <sound/soc.h>
30 #include "../codecs/alc5632.h"
32 #include "tegra_asoc_utils.h"
34 #define DRV_NAME "tegra-alc5632"
36 struct tegra_alc5632 {
37 struct tegra_asoc_utils_data util_data;
41 static int tegra_alc5632_asoc_hw_params(struct snd_pcm_substream *substream,
42 struct snd_pcm_hw_params *params)
44 struct snd_soc_pcm_runtime *rtd = substream->private_data;
45 struct snd_soc_dai *codec_dai = rtd->codec_dai;
46 struct snd_soc_codec *codec = codec_dai->codec;
47 struct snd_soc_card *card = codec->card;
48 struct tegra_alc5632 *alc5632 = snd_soc_card_get_drvdata(card);
52 srate = params_rate(params);
55 err = tegra_asoc_utils_set_rate(&alc5632->util_data, srate, mclk);
57 dev_err(card->dev, "Can't configure clocks\n");
61 err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
64 dev_err(card->dev, "codec_dai clock not set\n");
71 static struct snd_soc_ops tegra_alc5632_asoc_ops = {
72 .hw_params = tegra_alc5632_asoc_hw_params,
75 static struct snd_soc_jack tegra_alc5632_hs_jack;
77 static struct snd_soc_jack_pin tegra_alc5632_hs_jack_pins[] = {
80 .mask = SND_JACK_MICROPHONE,
83 .pin = "Headset Stereophone",
84 .mask = SND_JACK_HEADPHONE,
88 static struct snd_soc_jack_gpio tegra_alc5632_hp_jack_gpio = {
89 .name = "Headset detection",
90 .report = SND_JACK_HEADSET,
95 static const struct snd_soc_dapm_widget tegra_alc5632_dapm_widgets[] = {
96 SND_SOC_DAPM_SPK("Int Spk", NULL),
97 SND_SOC_DAPM_HP("Headset Stereophone", NULL),
98 SND_SOC_DAPM_MIC("Headset Mic", NULL),
99 SND_SOC_DAPM_MIC("Digital Mic", NULL),
102 static const struct snd_kcontrol_new tegra_alc5632_controls[] = {
103 SOC_DAPM_PIN_SWITCH("Int Spk"),
106 static int tegra_alc5632_asoc_init(struct snd_soc_pcm_runtime *rtd)
108 struct snd_soc_dai *codec_dai = rtd->codec_dai;
109 struct snd_soc_codec *codec = codec_dai->codec;
110 struct snd_soc_dapm_context *dapm = &codec->dapm;
111 struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(codec->card);
113 snd_soc_jack_new(codec, "Headset Jack", SND_JACK_HEADSET,
114 &tegra_alc5632_hs_jack);
115 snd_soc_jack_add_pins(&tegra_alc5632_hs_jack,
116 ARRAY_SIZE(tegra_alc5632_hs_jack_pins),
117 tegra_alc5632_hs_jack_pins);
119 if (gpio_is_valid(machine->gpio_hp_det)) {
120 tegra_alc5632_hp_jack_gpio.gpio = machine->gpio_hp_det;
121 snd_soc_jack_add_gpios(&tegra_alc5632_hs_jack,
123 &tegra_alc5632_hp_jack_gpio);
126 snd_soc_dapm_force_enable_pin(dapm, "MICBIAS1");
131 static struct snd_soc_dai_link tegra_alc5632_dai = {
133 .stream_name = "ALC5632 PCM",
134 .codec_dai_name = "alc5632-hifi",
135 .init = tegra_alc5632_asoc_init,
136 .ops = &tegra_alc5632_asoc_ops,
137 .dai_fmt = SND_SOC_DAIFMT_I2S
138 | SND_SOC_DAIFMT_NB_NF
139 | SND_SOC_DAIFMT_CBS_CFS,
142 static struct snd_soc_card snd_soc_tegra_alc5632 = {
143 .name = "tegra-alc5632",
144 .owner = THIS_MODULE,
145 .dai_link = &tegra_alc5632_dai,
147 .controls = tegra_alc5632_controls,
148 .num_controls = ARRAY_SIZE(tegra_alc5632_controls),
149 .dapm_widgets = tegra_alc5632_dapm_widgets,
150 .num_dapm_widgets = ARRAY_SIZE(tegra_alc5632_dapm_widgets),
151 .fully_routed = true,
154 static __devinit int tegra_alc5632_probe(struct platform_device *pdev)
156 struct device_node *np = pdev->dev.of_node;
157 struct snd_soc_card *card = &snd_soc_tegra_alc5632;
158 struct tegra_alc5632 *alc5632;
161 alc5632 = devm_kzalloc(&pdev->dev,
162 sizeof(struct tegra_alc5632), GFP_KERNEL);
164 dev_err(&pdev->dev, "Can't allocate tegra_alc5632\n");
169 card->dev = &pdev->dev;
170 platform_set_drvdata(pdev, card);
171 snd_soc_card_set_drvdata(card, alc5632);
173 if (!(pdev->dev.of_node)) {
174 dev_err(&pdev->dev, "Must be instantiated using device tree\n");
179 alc5632->gpio_hp_det = of_get_named_gpio(np, "nvidia,hp-det-gpios", 0);
180 if (alc5632->gpio_hp_det == -ENODEV)
181 return -EPROBE_DEFER;
183 ret = snd_soc_of_parse_card_name(card, "nvidia,model");
187 ret = snd_soc_of_parse_audio_routing(card, "nvidia,audio-routing");
191 tegra_alc5632_dai.codec_of_node = of_parse_phandle(
192 pdev->dev.of_node, "nvidia,audio-codec", 0);
194 if (!tegra_alc5632_dai.codec_of_node) {
196 "Property 'nvidia,audio-codec' missing or invalid\n");
201 tegra_alc5632_dai.cpu_of_node = of_parse_phandle(
202 pdev->dev.of_node, "nvidia,i2s-controller", 0);
203 if (!tegra_alc5632_dai.cpu_of_node) {
205 "Property 'nvidia,i2s-controller' missing or invalid\n");
210 tegra_alc5632_dai.platform_of_node = tegra_alc5632_dai.cpu_of_node;
212 ret = tegra_asoc_utils_init(&alc5632->util_data, &pdev->dev);
216 ret = snd_soc_register_card(card);
218 dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
226 tegra_asoc_utils_fini(&alc5632->util_data);
231 static int __devexit tegra_alc5632_remove(struct platform_device *pdev)
233 struct snd_soc_card *card = platform_get_drvdata(pdev);
234 struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(card);
236 snd_soc_jack_free_gpios(&tegra_alc5632_hs_jack, 1,
237 &tegra_alc5632_hp_jack_gpio);
239 snd_soc_unregister_card(card);
241 tegra_asoc_utils_fini(&machine->util_data);
246 static const struct of_device_id tegra_alc5632_of_match[] __devinitconst = {
247 { .compatible = "nvidia,tegra-audio-alc5632", },
251 static struct platform_driver tegra_alc5632_driver = {
254 .owner = THIS_MODULE,
255 .pm = &snd_soc_pm_ops,
256 .of_match_table = tegra_alc5632_of_match,
258 .probe = tegra_alc5632_probe,
259 .remove = __devexit_p(tegra_alc5632_remove),
261 module_platform_driver(tegra_alc5632_driver);
263 MODULE_AUTHOR("Leon Romanovsky <leon@leon.nu>");
264 MODULE_DESCRIPTION("Tegra+ALC5632 machine ASoC driver");
265 MODULE_LICENSE("GPL");
266 MODULE_ALIAS("platform:" DRV_NAME);
267 MODULE_DEVICE_TABLE(of, tegra_alc5632_of_match);