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 #define GPIO_HP_DET BIT(0)
38 struct tegra_alc5632 {
39 struct tegra_asoc_utils_data util_data;
44 static int tegra_alc5632_asoc_hw_params(struct snd_pcm_substream *substream,
45 struct snd_pcm_hw_params *params)
47 struct snd_soc_pcm_runtime *rtd = substream->private_data;
48 struct snd_soc_dai *codec_dai = rtd->codec_dai;
49 struct snd_soc_codec *codec = rtd->codec;
50 struct snd_soc_card *card = codec->card;
51 struct tegra_alc5632 *alc5632 = snd_soc_card_get_drvdata(card);
55 srate = params_rate(params);
58 err = tegra_asoc_utils_set_rate(&alc5632->util_data, srate, mclk);
60 dev_err(card->dev, "Can't configure clocks\n");
64 err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
67 dev_err(card->dev, "codec_dai clock not set\n");
74 static struct snd_soc_ops tegra_alc5632_asoc_ops = {
75 .hw_params = tegra_alc5632_asoc_hw_params,
78 static struct snd_soc_jack tegra_alc5632_hs_jack;
80 static struct snd_soc_jack_pin tegra_alc5632_hs_jack_pins[] = {
83 .mask = SND_JACK_MICROPHONE,
86 .pin = "Headset Stereophone",
87 .mask = SND_JACK_HEADPHONE,
91 static struct snd_soc_jack_gpio tegra_alc5632_hp_jack_gpio = {
92 .name = "Headset detection",
93 .report = SND_JACK_HEADSET,
98 static const struct snd_soc_dapm_widget tegra_alc5632_dapm_widgets[] = {
99 SND_SOC_DAPM_SPK("Int Spk", NULL),
100 SND_SOC_DAPM_HP("Headset Stereophone", NULL),
101 SND_SOC_DAPM_MIC("Headset Mic", NULL),
102 SND_SOC_DAPM_MIC("Digital Mic", NULL),
105 static const struct snd_kcontrol_new tegra_alc5632_controls[] = {
106 SOC_DAPM_PIN_SWITCH("Int Spk"),
109 static int tegra_alc5632_asoc_init(struct snd_soc_pcm_runtime *rtd)
111 struct snd_soc_codec *codec = rtd->codec;
112 struct snd_soc_dapm_context *dapm = &codec->dapm;
113 struct device_node *np = codec->card->dev->of_node;
114 struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(codec->card);
116 snd_soc_jack_new(codec, "Headset Jack", SND_JACK_HEADSET,
117 &tegra_alc5632_hs_jack);
118 snd_soc_jack_add_pins(&tegra_alc5632_hs_jack,
119 ARRAY_SIZE(tegra_alc5632_hs_jack_pins),
120 tegra_alc5632_hs_jack_pins);
122 machine->gpio_hp_det = of_get_named_gpio(np, "nvidia,hp-det-gpios", 0);
124 if (gpio_is_valid(machine->gpio_hp_det)) {
125 tegra_alc5632_hp_jack_gpio.gpio = machine->gpio_hp_det;
126 snd_soc_jack_add_gpios(&tegra_alc5632_hs_jack,
128 &tegra_alc5632_hp_jack_gpio);
129 machine->gpio_requested |= GPIO_HP_DET;
132 snd_soc_dapm_force_enable_pin(dapm, "MICBIAS1");
137 static struct snd_soc_dai_link tegra_alc5632_dai = {
139 .stream_name = "ALC5632 PCM",
140 .codec_dai_name = "alc5632-hifi",
141 .init = tegra_alc5632_asoc_init,
142 .ops = &tegra_alc5632_asoc_ops,
143 .dai_fmt = SND_SOC_DAIFMT_I2S
144 | SND_SOC_DAIFMT_NB_NF
145 | SND_SOC_DAIFMT_CBS_CFS,
148 static struct snd_soc_card snd_soc_tegra_alc5632 = {
149 .name = "tegra-alc5632",
150 .owner = THIS_MODULE,
151 .dai_link = &tegra_alc5632_dai,
153 .controls = tegra_alc5632_controls,
154 .num_controls = ARRAY_SIZE(tegra_alc5632_controls),
155 .dapm_widgets = tegra_alc5632_dapm_widgets,
156 .num_dapm_widgets = ARRAY_SIZE(tegra_alc5632_dapm_widgets),
157 .fully_routed = true,
160 static __devinit int tegra_alc5632_probe(struct platform_device *pdev)
162 struct snd_soc_card *card = &snd_soc_tegra_alc5632;
163 struct tegra_alc5632 *alc5632;
166 alc5632 = devm_kzalloc(&pdev->dev,
167 sizeof(struct tegra_alc5632), GFP_KERNEL);
169 dev_err(&pdev->dev, "Can't allocate tegra_alc5632\n");
174 card->dev = &pdev->dev;
175 platform_set_drvdata(pdev, card);
176 snd_soc_card_set_drvdata(card, alc5632);
178 if (!(pdev->dev.of_node)) {
179 dev_err(&pdev->dev, "Must be instantiated using device tree\n");
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_dai_of_node = of_parse_phandle(
203 pdev->dev.of_node, "nvidia,i2s-controller", 0);
204 if (!tegra_alc5632_dai.cpu_dai_of_node) {
206 "Property 'nvidia,i2s-controller' missing or invalid\n");
211 tegra_alc5632_dai.platform_of_node = tegra_alc5632_dai.cpu_dai_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 __devexit 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 if (machine->gpio_requested & GPIO_HP_DET)
238 snd_soc_jack_free_gpios(&tegra_alc5632_hs_jack,
240 &tegra_alc5632_hp_jack_gpio);
241 machine->gpio_requested = 0;
243 snd_soc_unregister_card(card);
245 tegra_asoc_utils_fini(&machine->util_data);
250 static const struct of_device_id tegra_alc5632_of_match[] __devinitconst = {
251 { .compatible = "nvidia,tegra-audio-alc5632", },
255 static struct platform_driver tegra_alc5632_driver = {
258 .owner = THIS_MODULE,
259 .pm = &snd_soc_pm_ops,
260 .of_match_table = tegra_alc5632_of_match,
262 .probe = tegra_alc5632_probe,
263 .remove = __devexit_p(tegra_alc5632_remove),
265 module_platform_driver(tegra_alc5632_driver);
267 MODULE_AUTHOR("Leon Romanovsky <leon@leon.nu>");
268 MODULE_DESCRIPTION("Tegra+ALC5632 machine ASoC driver");
269 MODULE_LICENSE("GPL");
270 MODULE_ALIAS("platform:" DRV_NAME);
271 MODULE_DEVICE_TABLE(of, tegra_alc5632_of_match);