1 // SPDX-License-Identifier: GPL-2.0-only
3 * tegra_alc5632.c -- Toshiba AC100(PAZ00) machine ASoC driver
5 * Copyright (C) 2011 The AC100 Kernel Team <ac100@lists.lauchpad.net>
6 * Copyright (C) 2012 - NVIDIA, Inc.
8 * Authors: Leon Romanovsky <leon@leon.nu>
9 * Andrey Danin <danindrey@mail.ru>
10 * Marc Dietrich <marvin24@gmx.de>
13 #include <linux/module.h>
14 #include <linux/platform_device.h>
15 #include <linux/slab.h>
16 #include <linux/gpio.h>
17 #include <linux/of_gpio.h>
19 #include <sound/core.h>
20 #include <sound/jack.h>
21 #include <sound/pcm.h>
22 #include <sound/pcm_params.h>
23 #include <sound/soc.h>
25 #include "../codecs/alc5632.h"
27 #include "tegra_asoc_utils.h"
29 #define DRV_NAME "tegra-alc5632"
31 struct tegra_alc5632 {
32 struct tegra_asoc_utils_data util_data;
36 static int tegra_alc5632_asoc_hw_params(struct snd_pcm_substream *substream,
37 struct snd_pcm_hw_params *params)
39 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
40 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
41 struct snd_soc_card *card = rtd->card;
42 struct tegra_alc5632 *alc5632 = snd_soc_card_get_drvdata(card);
46 srate = params_rate(params);
49 err = tegra_asoc_utils_set_rate(&alc5632->util_data, srate, mclk);
51 dev_err(card->dev, "Can't configure clocks\n");
55 err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
58 dev_err(card->dev, "codec_dai clock not set\n");
65 static const struct snd_soc_ops tegra_alc5632_asoc_ops = {
66 .hw_params = tegra_alc5632_asoc_hw_params,
69 static struct snd_soc_jack tegra_alc5632_hs_jack;
71 static struct snd_soc_jack_pin tegra_alc5632_hs_jack_pins[] = {
74 .mask = SND_JACK_MICROPHONE,
77 .pin = "Headset Stereophone",
78 .mask = SND_JACK_HEADPHONE,
82 static struct snd_soc_jack_gpio tegra_alc5632_hp_jack_gpio = {
83 .name = "Headset detection",
84 .report = SND_JACK_HEADSET,
88 static const struct snd_soc_dapm_widget tegra_alc5632_dapm_widgets[] = {
89 SND_SOC_DAPM_SPK("Int Spk", NULL),
90 SND_SOC_DAPM_HP("Headset Stereophone", NULL),
91 SND_SOC_DAPM_MIC("Headset Mic", NULL),
92 SND_SOC_DAPM_MIC("Digital Mic", NULL),
95 static const struct snd_kcontrol_new tegra_alc5632_controls[] = {
96 SOC_DAPM_PIN_SWITCH("Int Spk"),
99 static int tegra_alc5632_asoc_init(struct snd_soc_pcm_runtime *rtd)
102 struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(rtd->card);
104 ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
106 &tegra_alc5632_hs_jack,
107 tegra_alc5632_hs_jack_pins,
108 ARRAY_SIZE(tegra_alc5632_hs_jack_pins));
112 if (gpio_is_valid(machine->gpio_hp_det)) {
113 tegra_alc5632_hp_jack_gpio.gpio = machine->gpio_hp_det;
114 snd_soc_jack_add_gpios(&tegra_alc5632_hs_jack,
116 &tegra_alc5632_hp_jack_gpio);
119 snd_soc_dapm_force_enable_pin(&rtd->card->dapm, "MICBIAS1");
124 SND_SOC_DAILINK_DEFS(pcm,
125 DAILINK_COMP_ARRAY(COMP_EMPTY()),
126 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "alc5632-hifi")),
127 DAILINK_COMP_ARRAY(COMP_EMPTY()));
129 static struct snd_soc_dai_link tegra_alc5632_dai = {
131 .stream_name = "ALC5632 PCM",
132 .init = tegra_alc5632_asoc_init,
133 .ops = &tegra_alc5632_asoc_ops,
134 .dai_fmt = SND_SOC_DAIFMT_I2S
135 | SND_SOC_DAIFMT_NB_NF
136 | SND_SOC_DAIFMT_CBS_CFS,
137 SND_SOC_DAILINK_REG(pcm),
140 static struct snd_soc_card snd_soc_tegra_alc5632 = {
141 .name = "tegra-alc5632",
142 .driver_name = "tegra",
143 .owner = THIS_MODULE,
144 .dai_link = &tegra_alc5632_dai,
146 .controls = tegra_alc5632_controls,
147 .num_controls = ARRAY_SIZE(tegra_alc5632_controls),
148 .dapm_widgets = tegra_alc5632_dapm_widgets,
149 .num_dapm_widgets = ARRAY_SIZE(tegra_alc5632_dapm_widgets),
150 .fully_routed = true,
153 static int tegra_alc5632_probe(struct platform_device *pdev)
155 struct device_node *np = pdev->dev.of_node;
156 struct snd_soc_card *card = &snd_soc_tegra_alc5632;
157 struct tegra_alc5632 *alc5632;
160 alc5632 = devm_kzalloc(&pdev->dev,
161 sizeof(struct tegra_alc5632), GFP_KERNEL);
165 card->dev = &pdev->dev;
166 snd_soc_card_set_drvdata(card, alc5632);
168 alc5632->gpio_hp_det = of_get_named_gpio(np, "nvidia,hp-det-gpios", 0);
169 if (alc5632->gpio_hp_det == -EPROBE_DEFER)
170 return -EPROBE_DEFER;
172 ret = snd_soc_of_parse_card_name(card, "nvidia,model");
176 ret = snd_soc_of_parse_audio_routing(card, "nvidia,audio-routing");
180 tegra_alc5632_dai.codecs->of_node = of_parse_phandle(
181 pdev->dev.of_node, "nvidia,audio-codec", 0);
183 if (!tegra_alc5632_dai.codecs->of_node) {
185 "Property 'nvidia,audio-codec' missing or invalid\n");
190 tegra_alc5632_dai.cpus->of_node = of_parse_phandle(np,
191 "nvidia,i2s-controller", 0);
192 if (!tegra_alc5632_dai.cpus->of_node) {
194 "Property 'nvidia,i2s-controller' missing or invalid\n");
196 goto err_put_codec_of_node;
199 tegra_alc5632_dai.platforms->of_node = tegra_alc5632_dai.cpus->of_node;
201 ret = tegra_asoc_utils_init(&alc5632->util_data, &pdev->dev);
203 goto err_put_cpu_of_node;
205 ret = snd_soc_register_card(card);
207 dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
209 goto err_put_cpu_of_node;
215 of_node_put(tegra_alc5632_dai.cpus->of_node);
216 tegra_alc5632_dai.cpus->of_node = NULL;
217 tegra_alc5632_dai.platforms->of_node = NULL;
218 err_put_codec_of_node:
219 of_node_put(tegra_alc5632_dai.codecs->of_node);
220 tegra_alc5632_dai.codecs->of_node = NULL;
225 static int tegra_alc5632_remove(struct platform_device *pdev)
227 struct snd_soc_card *card = platform_get_drvdata(pdev);
229 snd_soc_unregister_card(card);
231 of_node_put(tegra_alc5632_dai.cpus->of_node);
232 tegra_alc5632_dai.cpus->of_node = NULL;
233 tegra_alc5632_dai.platforms->of_node = NULL;
234 of_node_put(tegra_alc5632_dai.codecs->of_node);
235 tegra_alc5632_dai.codecs->of_node = NULL;
240 static const struct of_device_id tegra_alc5632_of_match[] = {
241 { .compatible = "nvidia,tegra-audio-alc5632", },
245 static struct platform_driver tegra_alc5632_driver = {
248 .pm = &snd_soc_pm_ops,
249 .of_match_table = tegra_alc5632_of_match,
251 .probe = tegra_alc5632_probe,
252 .remove = tegra_alc5632_remove,
254 module_platform_driver(tegra_alc5632_driver);
256 MODULE_AUTHOR("Leon Romanovsky <leon@leon.nu>");
257 MODULE_DESCRIPTION("Tegra+ALC5632 machine ASoC driver");
258 MODULE_LICENSE("GPL");
259 MODULE_ALIAS("platform:" DRV_NAME);
260 MODULE_DEVICE_TABLE(of, tegra_alc5632_of_match);