2 * linux/sound/soc/pxa/palm27x.c
4 * SoC Audio driver for Palm T|X, T5 and LifeDrive
8 * Copyright (C) 2008 Marek Vasut <marek.vasut@gmail.com>
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.
16 #include <linux/module.h>
17 #include <linux/moduleparam.h>
18 #include <linux/device.h>
19 #include <linux/gpio.h>
21 #include <sound/core.h>
22 #include <sound/pcm.h>
23 #include <sound/soc.h>
24 #include <sound/jack.h>
26 #include <asm/mach-types.h>
27 #include <mach/audio.h>
28 #include <linux/platform_data/asoc-palm27x.h>
30 #include "../codecs/wm9712.h"
31 #include "pxa2xx-ac97.h"
33 static struct snd_soc_jack hs_jack;
35 /* Headphones jack detection DAPM pins */
36 static struct snd_soc_jack_pin hs_jack_pins[] = {
38 .pin = "Headphone Jack",
39 .mask = SND_JACK_HEADPHONE,
43 /* Headphones jack detection gpios */
44 static struct snd_soc_jack_gpio hs_jack_gpios[] = {
46 /* gpio is set on per-platform basis */
48 .report = SND_JACK_HEADPHONE,
53 /* Palm27x machine dapm widgets */
54 static const struct snd_soc_dapm_widget palm27x_dapm_widgets[] = {
55 SND_SOC_DAPM_HP("Headphone Jack", NULL),
56 SND_SOC_DAPM_SPK("Ext. Speaker", NULL),
57 SND_SOC_DAPM_MIC("Ext. Microphone", NULL),
60 /* PalmTX audio map */
61 static const struct snd_soc_dapm_route audio_map[] = {
62 /* headphone connected to HPOUTL, HPOUTR */
63 {"Headphone Jack", NULL, "HPOUTL"},
64 {"Headphone Jack", NULL, "HPOUTR"},
66 /* ext speaker connected to ROUT2, LOUT2 */
67 {"Ext. Speaker", NULL, "LOUT2"},
68 {"Ext. Speaker", NULL, "ROUT2"},
70 /* mic connected to MIC1 */
71 {"MIC1", NULL, "Ext. Microphone"},
74 static struct snd_soc_card palm27x_asoc;
76 static int palm27x_ac97_init(struct snd_soc_pcm_runtime *rtd)
78 struct snd_soc_codec *codec = rtd->codec;
81 /* Jack detection API stuff */
82 err = snd_soc_jack_new(codec, "Headphone Jack",
83 SND_JACK_HEADPHONE, &hs_jack);
87 err = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
92 err = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios),
98 static struct snd_soc_dai_link palm27x_dai[] = {
101 .stream_name = "AC97 HiFi",
102 .cpu_dai_name = "pxa2xx-ac97",
103 .codec_dai_name = "wm9712-hifi",
104 .codec_name = "wm9712-codec",
105 .platform_name = "pxa-pcm-audio",
106 .init = palm27x_ac97_init,
110 .stream_name = "AC97 Aux",
111 .cpu_dai_name = "pxa2xx-ac97-aux",
112 .codec_dai_name = "wm9712-aux",
113 .codec_name = "wm9712-codec",
114 .platform_name = "pxa-pcm-audio",
118 static struct snd_soc_card palm27x_asoc = {
119 .name = "Palm/PXA27x",
120 .owner = THIS_MODULE,
121 .dai_link = palm27x_dai,
122 .num_links = ARRAY_SIZE(palm27x_dai),
123 .dapm_widgets = palm27x_dapm_widgets,
124 .num_dapm_widgets = ARRAY_SIZE(palm27x_dapm_widgets),
125 .dapm_routes = audio_map,
126 .num_dapm_routes = ARRAY_SIZE(audio_map),
127 .fully_routed = true,
130 static int palm27x_asoc_probe(struct platform_device *pdev)
134 if (!(machine_is_palmtx() || machine_is_palmt5() ||
135 machine_is_palmld() || machine_is_palmte2()))
138 if (!pdev->dev.platform_data) {
139 dev_err(&pdev->dev, "please supply platform_data\n");
143 hs_jack_gpios[0].gpio = ((struct palm27x_asoc_info *)
144 (pdev->dev.platform_data))->jack_gpio;
146 palm27x_asoc.dev = &pdev->dev;
148 ret = snd_soc_register_card(&palm27x_asoc);
150 dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
155 static int palm27x_asoc_remove(struct platform_device *pdev)
157 snd_soc_unregister_card(&palm27x_asoc);
161 static struct platform_driver palm27x_wm9712_driver = {
162 .probe = palm27x_asoc_probe,
163 .remove = palm27x_asoc_remove,
165 .name = "palm27x-asoc",
166 .pm = &snd_soc_pm_ops,
170 module_platform_driver(palm27x_wm9712_driver);
172 /* Module information */
173 MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");
174 MODULE_DESCRIPTION("ALSA SoC Palm T|X, T5 and LifeDrive");
175 MODULE_LICENSE("GPL");