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ab40d4f1 IM |
1 | /* |
2 | * e800-wm9712.c -- SoC audio for e800 | |
3 | * | |
ab40d4f1 IM |
4 | * Copyright 2007 (c) Ian Molton <spyro@f2s.com> |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; version 2 ONLY. | |
9 | * | |
10 | */ | |
11 | ||
12 | #include <linux/module.h> | |
13 | #include <linux/moduleparam.h> | |
0465c7aa | 14 | #include <linux/gpio.h> |
ab40d4f1 IM |
15 | |
16 | #include <sound/core.h> | |
17 | #include <sound/pcm.h> | |
18 | #include <sound/soc.h> | |
ab40d4f1 | 19 | |
c91cf25e | 20 | #include <asm/mach-types.h> |
a09e64fb | 21 | #include <mach/audio.h> |
0465c7aa IM |
22 | #include <mach/eseries-gpio.h> |
23 | ||
0465c7aa IM |
24 | static int e800_spk_amp_event(struct snd_soc_dapm_widget *w, |
25 | struct snd_kcontrol *kcontrol, int event) | |
26 | { | |
27 | if (event & SND_SOC_DAPM_PRE_PMU) | |
28 | gpio_set_value(GPIO_E800_SPK_AMP_ON, 1); | |
29 | else if (event & SND_SOC_DAPM_POST_PMD) | |
30 | gpio_set_value(GPIO_E800_SPK_AMP_ON, 0); | |
ab40d4f1 | 31 | |
0465c7aa IM |
32 | return 0; |
33 | } | |
34 | ||
35 | static int e800_hp_amp_event(struct snd_soc_dapm_widget *w, | |
36 | struct snd_kcontrol *kcontrol, int event) | |
ab40d4f1 | 37 | { |
0465c7aa IM |
38 | if (event & SND_SOC_DAPM_PRE_PMU) |
39 | gpio_set_value(GPIO_E800_HP_AMP_OFF, 0); | |
40 | else if (event & SND_SOC_DAPM_POST_PMD) | |
41 | gpio_set_value(GPIO_E800_HP_AMP_OFF, 1); | |
42 | ||
43 | return 0; | |
44 | } | |
45 | ||
46 | static const struct snd_soc_dapm_widget e800_dapm_widgets[] = { | |
47 | SND_SOC_DAPM_HP("Headphone Jack", NULL), | |
48 | SND_SOC_DAPM_MIC("Mic (Internal1)", NULL), | |
49 | SND_SOC_DAPM_MIC("Mic (Internal2)", NULL), | |
50 | SND_SOC_DAPM_SPK("Speaker", NULL), | |
51 | SND_SOC_DAPM_PGA_E("Headphone Amp", SND_SOC_NOPM, 0, 0, NULL, 0, | |
52 | e800_hp_amp_event, SND_SOC_DAPM_PRE_PMU | | |
53 | SND_SOC_DAPM_POST_PMD), | |
54 | SND_SOC_DAPM_PGA_E("Speaker Amp", SND_SOC_NOPM, 0, 0, NULL, 0, | |
55 | e800_spk_amp_event, SND_SOC_DAPM_PRE_PMU | | |
56 | SND_SOC_DAPM_POST_PMD), | |
57 | }; | |
58 | ||
59 | static const struct snd_soc_dapm_route audio_map[] = { | |
60 | {"Headphone Jack", NULL, "HPOUTL"}, | |
61 | {"Headphone Jack", NULL, "HPOUTR"}, | |
62 | {"Headphone Jack", NULL, "Headphone Amp"}, | |
63 | ||
64 | {"Speaker Amp", NULL, "MONOOUT"}, | |
65 | {"Speaker", NULL, "Speaker Amp"}, | |
66 | ||
67 | {"MIC1", NULL, "Mic (Internal1)"}, | |
68 | {"MIC2", NULL, "Mic (Internal2)"}, | |
69 | }; | |
70 | ||
0465c7aa IM |
71 | static struct snd_soc_dai_link e800_dai[] = { |
72 | { | |
73 | .name = "AC97", | |
74 | .stream_name = "AC97 HiFi", | |
4bfc4e25 | 75 | .cpu_dai_name = "pxa2xx-ac97", |
f0fba2ad LG |
76 | .codec_dai_name = "wm9712-hifi", |
77 | .platform_name = "pxa-pcm-audio", | |
78 | .codec_name = "wm9712-codec", | |
0465c7aa IM |
79 | }, |
80 | { | |
81 | .name = "AC97 Aux", | |
82 | .stream_name = "AC97 Aux", | |
4bfc4e25 | 83 | .cpu_dai_name = "pxa2xx-ac97-aux", |
f0fba2ad LG |
84 | .codec_dai_name ="wm9712-aux", |
85 | .platform_name = "pxa-pcm-audio", | |
86 | .codec_name = "wm9712-codec", | |
0465c7aa | 87 | }, |
ab40d4f1 IM |
88 | }; |
89 | ||
87506549 | 90 | static struct snd_soc_card e800 = { |
ab40d4f1 | 91 | .name = "Toshiba e800", |
561c6a17 | 92 | .owner = THIS_MODULE, |
ab40d4f1 IM |
93 | .dai_link = e800_dai, |
94 | .num_links = ARRAY_SIZE(e800_dai), | |
1bdd301f LPC |
95 | |
96 | .dapm_widgets = e800_dapm_widgets, | |
97 | .num_dapm_widgets = ARRAY_SIZE(e800_dapm_widgets), | |
98 | .dapm_routes = audio_map, | |
99 | .num_dapm_routes = ARRAY_SIZE(audio_map), | |
ab40d4f1 IM |
100 | }; |
101 | ||
1eb0202d AL |
102 | static struct gpio e800_audio_gpios[] = { |
103 | { GPIO_E800_SPK_AMP_ON, GPIOF_OUT_INIT_HIGH, "Headphone amp" }, | |
104 | { GPIO_E800_HP_AMP_OFF, GPIOF_OUT_INIT_HIGH, "Speaker amp" }, | |
105 | }; | |
ab40d4f1 | 106 | |
570f6fe1 | 107 | static int e800_probe(struct platform_device *pdev) |
ab40d4f1 | 108 | { |
1eb0202d | 109 | struct snd_soc_card *card = &e800; |
ab40d4f1 IM |
110 | int ret; |
111 | ||
1eb0202d AL |
112 | ret = gpio_request_array(e800_audio_gpios, |
113 | ARRAY_SIZE(e800_audio_gpios)); | |
0465c7aa IM |
114 | if (ret) |
115 | return ret; | |
116 | ||
1eb0202d | 117 | card->dev = &pdev->dev; |
0465c7aa | 118 | |
2fd7076a | 119 | ret = devm_snd_soc_register_card(&pdev->dev, card); |
1eb0202d AL |
120 | if (ret) { |
121 | dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", | |
122 | ret); | |
123 | gpio_free_array(e800_audio_gpios, ARRAY_SIZE(e800_audio_gpios)); | |
8faab941 | 124 | } |
ab40d4f1 IM |
125 | return ret; |
126 | } | |
127 | ||
570f6fe1 | 128 | static int e800_remove(struct platform_device *pdev) |
ab40d4f1 | 129 | { |
1eb0202d | 130 | gpio_free_array(e800_audio_gpios, ARRAY_SIZE(e800_audio_gpios)); |
1eb0202d | 131 | return 0; |
ab40d4f1 IM |
132 | } |
133 | ||
1eb0202d AL |
134 | static struct platform_driver e800_driver = { |
135 | .driver = { | |
136 | .name = "e800-audio", | |
7db1698f | 137 | .pm = &snd_soc_pm_ops, |
1eb0202d AL |
138 | }, |
139 | .probe = e800_probe, | |
570f6fe1 | 140 | .remove = e800_remove, |
1eb0202d AL |
141 | }; |
142 | ||
143 | module_platform_driver(e800_driver); | |
ab40d4f1 IM |
144 | |
145 | /* Module information */ | |
146 | MODULE_AUTHOR("Ian Molton <spyro@f2s.com>"); | |
147 | MODULE_DESCRIPTION("ALSA SoC driver for e800"); | |
0465c7aa | 148 | MODULE_LICENSE("GPL v2"); |
1eb0202d | 149 | MODULE_ALIAS("platform:e800-audio"); |