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74e72201 MV |
1 | /* |
2 | * linux/sound/soc/pxa/palm27x.c | |
3 | * | |
4 | * SoC Audio driver for Palm T|X, T5 and LifeDrive | |
5 | * | |
6 | * based on tosa.c | |
7 | * | |
8 | * Copyright (C) 2008 Marek Vasut <marek.vasut@gmail.com> | |
9 | * | |
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. | |
13 | * | |
14 | */ | |
15 | ||
16 | #include <linux/module.h> | |
17 | #include <linux/moduleparam.h> | |
18 | #include <linux/device.h> | |
19 | #include <linux/gpio.h> | |
74e72201 MV |
20 | |
21 | #include <sound/core.h> | |
22 | #include <sound/pcm.h> | |
23 | #include <sound/soc.h> | |
4ce2f2fe | 24 | #include <sound/jack.h> |
74e72201 MV |
25 | |
26 | #include <asm/mach-types.h> | |
27 | #include <mach/audio.h> | |
293b2da1 | 28 | #include <linux/platform_data/asoc-palm27x.h> |
74e72201 | 29 | |
4ce2f2fe | 30 | static struct snd_soc_jack hs_jack; |
74e72201 | 31 | |
4ce2f2fe MV |
32 | /* Headphones jack detection DAPM pins */ |
33 | static struct snd_soc_jack_pin hs_jack_pins[] = { | |
34 | { | |
35 | .pin = "Headphone Jack", | |
36 | .mask = SND_JACK_HEADPHONE, | |
37 | }, | |
74e72201 MV |
38 | }; |
39 | ||
4ce2f2fe MV |
40 | /* Headphones jack detection gpios */ |
41 | static struct snd_soc_jack_gpio hs_jack_gpios[] = { | |
42 | [0] = { | |
43 | /* gpio is set on per-platform basis */ | |
44 | .name = "hp-gpio", | |
45 | .report = SND_JACK_HEADPHONE, | |
46 | .debounce_time = 200, | |
47 | }, | |
48 | }; | |
74e72201 | 49 | |
4ce2f2fe | 50 | /* Palm27x machine dapm widgets */ |
74e72201 MV |
51 | static const struct snd_soc_dapm_widget palm27x_dapm_widgets[] = { |
52 | SND_SOC_DAPM_HP("Headphone Jack", NULL), | |
4ce2f2fe MV |
53 | SND_SOC_DAPM_SPK("Ext. Speaker", NULL), |
54 | SND_SOC_DAPM_MIC("Ext. Microphone", NULL), | |
74e72201 MV |
55 | }; |
56 | ||
57 | /* PalmTX audio map */ | |
58 | static const struct snd_soc_dapm_route audio_map[] = { | |
59 | /* headphone connected to HPOUTL, HPOUTR */ | |
60 | {"Headphone Jack", NULL, "HPOUTL"}, | |
61 | {"Headphone Jack", NULL, "HPOUTR"}, | |
62 | ||
63 | /* ext speaker connected to ROUT2, LOUT2 */ | |
4ce2f2fe MV |
64 | {"Ext. Speaker", NULL, "LOUT2"}, |
65 | {"Ext. Speaker", NULL, "ROUT2"}, | |
74e72201 | 66 | |
4ce2f2fe | 67 | /* mic connected to MIC1 */ |
b68ef0e0 | 68 | {"MIC1", NULL, "Ext. Microphone"}, |
74e72201 MV |
69 | }; |
70 | ||
4ce2f2fe | 71 | static struct snd_soc_card palm27x_asoc; |
74e72201 | 72 | |
f0fba2ad | 73 | static int palm27x_ac97_init(struct snd_soc_pcm_runtime *rtd) |
74e72201 | 74 | { |
eb5f6d75 | 75 | int err; |
74e72201 | 76 | |
4ce2f2fe | 77 | /* Jack detection API stuff */ |
bc1e2e06 LPC |
78 | err = snd_soc_card_jack_new(rtd->card, "Headphone Jack", |
79 | SND_JACK_HEADPHONE, &hs_jack, hs_jack_pins, | |
80 | ARRAY_SIZE(hs_jack_pins)); | |
4ce2f2fe MV |
81 | if (err) |
82 | return err; | |
74e72201 | 83 | |
4ce2f2fe MV |
84 | err = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios), |
85 | hs_jack_gpios); | |
74e72201 | 86 | |
4ce2f2fe | 87 | return err; |
74e72201 MV |
88 | } |
89 | ||
90 | static struct snd_soc_dai_link palm27x_dai[] = { | |
91 | { | |
92 | .name = "AC97 HiFi", | |
93 | .stream_name = "AC97 HiFi", | |
4bfc4e25 | 94 | .cpu_dai_name = "pxa2xx-ac97", |
f0fba2ad LG |
95 | .codec_dai_name = "wm9712-hifi", |
96 | .codec_name = "wm9712-codec", | |
97 | .platform_name = "pxa-pcm-audio", | |
74e72201 | 98 | .init = palm27x_ac97_init, |
74e72201 MV |
99 | }, |
100 | { | |
101 | .name = "AC97 Aux", | |
102 | .stream_name = "AC97 Aux", | |
4bfc4e25 | 103 | .cpu_dai_name = "pxa2xx-ac97-aux", |
f0fba2ad LG |
104 | .codec_dai_name = "wm9712-aux", |
105 | .codec_name = "wm9712-codec", | |
106 | .platform_name = "pxa-pcm-audio", | |
74e72201 MV |
107 | }, |
108 | }; | |
109 | ||
87506549 | 110 | static struct snd_soc_card palm27x_asoc = { |
74e72201 | 111 | .name = "Palm/PXA27x", |
561c6a17 | 112 | .owner = THIS_MODULE, |
74e72201 MV |
113 | .dai_link = palm27x_dai, |
114 | .num_links = ARRAY_SIZE(palm27x_dai), | |
016fb39c MD |
115 | .dapm_widgets = palm27x_dapm_widgets, |
116 | .num_dapm_widgets = ARRAY_SIZE(palm27x_dapm_widgets), | |
117 | .dapm_routes = audio_map, | |
19a3477e LPC |
118 | .num_dapm_routes = ARRAY_SIZE(audio_map), |
119 | .fully_routed = true, | |
74e72201 MV |
120 | }; |
121 | ||
e91fb913 | 122 | static int palm27x_asoc_probe(struct platform_device *pdev) |
74e72201 MV |
123 | { |
124 | int ret; | |
125 | ||
126 | if (!(machine_is_palmtx() || machine_is_palmt5() || | |
37330efd | 127 | machine_is_palmld() || machine_is_palmte2())) |
74e72201 MV |
128 | return -ENODEV; |
129 | ||
4ce2f2fe MV |
130 | if (!pdev->dev.platform_data) { |
131 | dev_err(&pdev->dev, "please supply platform_data\n"); | |
132 | return -ENODEV; | |
133 | } | |
74e72201 | 134 | |
4ce2f2fe MV |
135 | hs_jack_gpios[0].gpio = ((struct palm27x_asoc_info *) |
136 | (pdev->dev.platform_data))->jack_gpio; | |
74e72201 | 137 | |
01a61f49 | 138 | palm27x_asoc.dev = &pdev->dev; |
74e72201 | 139 | |
2fd7076a | 140 | ret = devm_snd_soc_register_card(&pdev->dev, &palm27x_asoc); |
01a61f49 MD |
141 | if (ret) |
142 | dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", | |
143 | ret); | |
74e72201 MV |
144 | return ret; |
145 | } | |
146 | ||
e91fb913 MV |
147 | static struct platform_driver palm27x_wm9712_driver = { |
148 | .probe = palm27x_asoc_probe, | |
e91fb913 MV |
149 | .driver = { |
150 | .name = "palm27x-asoc", | |
7db1698f | 151 | .pm = &snd_soc_pm_ops, |
e91fb913 MV |
152 | }, |
153 | }; | |
154 | ||
2f702a19 | 155 | module_platform_driver(palm27x_wm9712_driver); |
74e72201 MV |
156 | |
157 | /* Module information */ | |
158 | MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>"); | |
159 | MODULE_DESCRIPTION("ALSA SoC Palm T|X, T5 and LifeDrive"); | |
160 | MODULE_LICENSE("GPL"); | |
e5b7d71a | 161 | MODULE_ALIAS("platform:palm27x-asoc"); |