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 <mach/palmasoc.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 {"Ext. Microphone", NULL, "MIC1"},
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;
79 struct snd_soc_dapm_context *dapm = &codec->dapm;
82 /* add palm27x specific widgets */
83 err = snd_soc_dapm_new_controls(dapm, palm27x_dapm_widgets,
84 ARRAY_SIZE(palm27x_dapm_widgets));
88 /* set up palm27x specific audio path audio_map */
89 err = snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
94 if (machine_is_palmld())
95 snd_soc_dapm_enable_pin(dapm, "MIC1");
96 snd_soc_dapm_enable_pin(dapm, "HPOUTL");
97 snd_soc_dapm_enable_pin(dapm, "HPOUTR");
98 snd_soc_dapm_enable_pin(dapm, "LOUT2");
99 snd_soc_dapm_enable_pin(dapm, "ROUT2");
101 /* not connected pins */
102 snd_soc_dapm_nc_pin(dapm, "OUT3");
103 snd_soc_dapm_nc_pin(dapm, "MONOOUT");
104 snd_soc_dapm_nc_pin(dapm, "LINEINL");
105 snd_soc_dapm_nc_pin(dapm, "LINEINR");
106 snd_soc_dapm_nc_pin(dapm, "PCBEEP");
107 snd_soc_dapm_nc_pin(dapm, "PHONE");
108 snd_soc_dapm_nc_pin(dapm, "MIC2");
110 err = snd_soc_dapm_sync(dapm);
114 /* Jack detection API stuff */
115 err = snd_soc_jack_new(codec, "Headphone Jack",
116 SND_JACK_HEADPHONE, &hs_jack);
120 err = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
125 err = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios),
131 static struct snd_soc_dai_link palm27x_dai[] = {
134 .stream_name = "AC97 HiFi",
135 .cpu_dai_name = "pxa-ac97.0",
136 .codec_dai_name = "wm9712-hifi",
137 .codec_name = "wm9712-codec",
138 .platform_name = "pxa-pcm-audio",
139 .init = palm27x_ac97_init,
143 .stream_name = "AC97 Aux",
144 .cpu_dai_name = "pxa-ac97.1",
145 .codec_dai_name = "wm9712-aux",
146 .codec_name = "wm9712-codec",
147 .platform_name = "pxa-pcm-audio",
151 static struct snd_soc_card palm27x_asoc = {
152 .name = "Palm/PXA27x",
153 .dai_link = palm27x_dai,
154 .num_links = ARRAY_SIZE(palm27x_dai),
157 static struct platform_device *palm27x_snd_device;
159 static int palm27x_asoc_probe(struct platform_device *pdev)
163 if (!(machine_is_palmtx() || machine_is_palmt5() ||
164 machine_is_palmld() || machine_is_palmte2()))
167 if (!pdev->dev.platform_data) {
168 dev_err(&pdev->dev, "please supply platform_data\n");
172 hs_jack_gpios[0].gpio = ((struct palm27x_asoc_info *)
173 (pdev->dev.platform_data))->jack_gpio;
175 palm27x_snd_device = platform_device_alloc("soc-audio", -1);
176 if (!palm27x_snd_device)
179 platform_set_drvdata(palm27x_snd_device, &palm27x_asoc);
180 ret = platform_device_add(palm27x_snd_device);
188 platform_device_put(palm27x_snd_device);
193 static int __devexit palm27x_asoc_remove(struct platform_device *pdev)
195 platform_device_unregister(palm27x_snd_device);
199 static struct platform_driver palm27x_wm9712_driver = {
200 .probe = palm27x_asoc_probe,
201 .remove = __devexit_p(palm27x_asoc_remove),
203 .name = "palm27x-asoc",
204 .owner = THIS_MODULE,
208 static int __init palm27x_asoc_init(void)
210 return platform_driver_register(&palm27x_wm9712_driver);
213 static void __exit palm27x_asoc_exit(void)
215 platform_driver_unregister(&palm27x_wm9712_driver);
218 module_init(palm27x_asoc_init);
219 module_exit(palm27x_asoc_exit);
221 /* Module information */
222 MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");
223 MODULE_DESCRIPTION("ALSA SoC Palm T|X, T5 and LifeDrive");
224 MODULE_LICENSE("GPL");