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 const 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)
105 struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(rtd->card);
107 ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
109 &tegra_alc5632_hs_jack,
110 tegra_alc5632_hs_jack_pins,
111 ARRAY_SIZE(tegra_alc5632_hs_jack_pins));
115 if (gpio_is_valid(machine->gpio_hp_det)) {
116 tegra_alc5632_hp_jack_gpio.gpio = machine->gpio_hp_det;
117 snd_soc_jack_add_gpios(&tegra_alc5632_hs_jack,
119 &tegra_alc5632_hp_jack_gpio);
122 snd_soc_dapm_force_enable_pin(&rtd->card->dapm, "MICBIAS1");
127 static struct snd_soc_dai_link tegra_alc5632_dai = {
129 .stream_name = "ALC5632 PCM",
130 .codec_dai_name = "alc5632-hifi",
131 .init = tegra_alc5632_asoc_init,
132 .ops = &tegra_alc5632_asoc_ops,
133 .dai_fmt = SND_SOC_DAIFMT_I2S
134 | SND_SOC_DAIFMT_NB_NF
135 | SND_SOC_DAIFMT_CBS_CFS,
138 static struct snd_soc_card snd_soc_tegra_alc5632 = {
139 .name = "tegra-alc5632",
140 .driver_name = "tegra",
141 .owner = THIS_MODULE,
142 .dai_link = &tegra_alc5632_dai,
144 .controls = tegra_alc5632_controls,
145 .num_controls = ARRAY_SIZE(tegra_alc5632_controls),
146 .dapm_widgets = tegra_alc5632_dapm_widgets,
147 .num_dapm_widgets = ARRAY_SIZE(tegra_alc5632_dapm_widgets),
148 .fully_routed = true,
151 static int tegra_alc5632_probe(struct platform_device *pdev)
153 struct device_node *np = pdev->dev.of_node;
154 struct snd_soc_card *card = &snd_soc_tegra_alc5632;
155 struct tegra_alc5632 *alc5632;
158 alc5632 = devm_kzalloc(&pdev->dev,
159 sizeof(struct tegra_alc5632), GFP_KERNEL);
163 card->dev = &pdev->dev;
164 snd_soc_card_set_drvdata(card, alc5632);
166 alc5632->gpio_hp_det = of_get_named_gpio(np, "nvidia,hp-det-gpios", 0);
167 if (alc5632->gpio_hp_det == -EPROBE_DEFER)
168 return -EPROBE_DEFER;
170 ret = snd_soc_of_parse_card_name(card, "nvidia,model");
174 ret = snd_soc_of_parse_audio_routing(card, "nvidia,audio-routing");
178 tegra_alc5632_dai.codec_of_node = of_parse_phandle(
179 pdev->dev.of_node, "nvidia,audio-codec", 0);
181 if (!tegra_alc5632_dai.codec_of_node) {
183 "Property 'nvidia,audio-codec' missing or invalid\n");
188 tegra_alc5632_dai.cpu_of_node = of_parse_phandle(np,
189 "nvidia,i2s-controller", 0);
190 if (!tegra_alc5632_dai.cpu_of_node) {
192 "Property 'nvidia,i2s-controller' missing or invalid\n");
194 goto err_put_codec_of_node;
197 tegra_alc5632_dai.platform_of_node = tegra_alc5632_dai.cpu_of_node;
199 ret = tegra_asoc_utils_init(&alc5632->util_data, &pdev->dev);
201 goto err_put_cpu_of_node;
203 ret = snd_soc_register_card(card);
205 dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
213 tegra_asoc_utils_fini(&alc5632->util_data);
215 of_node_put(tegra_alc5632_dai.cpu_of_node);
216 tegra_alc5632_dai.cpu_of_node = NULL;
217 tegra_alc5632_dai.platform_of_node = NULL;
218 err_put_codec_of_node:
219 of_node_put(tegra_alc5632_dai.codec_of_node);
220 tegra_alc5632_dai.codec_of_node = NULL;
225 static int tegra_alc5632_remove(struct platform_device *pdev)
227 struct snd_soc_card *card = platform_get_drvdata(pdev);
228 struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(card);
230 snd_soc_unregister_card(card);
232 tegra_asoc_utils_fini(&machine->util_data);
234 of_node_put(tegra_alc5632_dai.cpu_of_node);
235 tegra_alc5632_dai.cpu_of_node = NULL;
236 tegra_alc5632_dai.platform_of_node = NULL;
237 of_node_put(tegra_alc5632_dai.codec_of_node);
238 tegra_alc5632_dai.codec_of_node = NULL;
243 static const struct of_device_id tegra_alc5632_of_match[] = {
244 { .compatible = "nvidia,tegra-audio-alc5632", },
248 static struct platform_driver tegra_alc5632_driver = {
251 .pm = &snd_soc_pm_ops,
252 .of_match_table = tegra_alc5632_of_match,
254 .probe = tegra_alc5632_probe,
255 .remove = tegra_alc5632_remove,
257 module_platform_driver(tegra_alc5632_driver);
259 MODULE_AUTHOR("Leon Romanovsky <leon@leon.nu>");
260 MODULE_DESCRIPTION("Tegra+ALC5632 machine ASoC driver");
261 MODULE_LICENSE("GPL");
262 MODULE_ALIAS("platform:" DRV_NAME);
263 MODULE_DEVICE_TABLE(of, tegra_alc5632_of_match);