Merge tag 'kvm-arm-for-v4.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-2.6-block.git] / sound / soc / pxa / e750_wm9705.c
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1/*
2 * e750-wm9705.c -- SoC audio for e750
3 *
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>
14#include <linux/gpio.h>
15
16#include <sound/core.h>
17#include <sound/pcm.h>
18#include <sound/soc.h>
a7e2e735 19
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20#include <mach/audio.h>
21#include <mach/eseries-gpio.h>
22
23#include <asm/mach-types.h>
24
25#include "../codecs/wm9705.h"
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26#include "pxa2xx-ac97.h"
27
28static int e750_spk_amp_event(struct snd_soc_dapm_widget *w,
29 struct snd_kcontrol *kcontrol, int event)
30{
31 if (event & SND_SOC_DAPM_PRE_PMU)
32 gpio_set_value(GPIO_E750_SPK_AMP_OFF, 0);
33 else if (event & SND_SOC_DAPM_POST_PMD)
34 gpio_set_value(GPIO_E750_SPK_AMP_OFF, 1);
35
36 return 0;
37}
38
39static int e750_hp_amp_event(struct snd_soc_dapm_widget *w,
40 struct snd_kcontrol *kcontrol, int event)
41{
42 if (event & SND_SOC_DAPM_PRE_PMU)
43 gpio_set_value(GPIO_E750_HP_AMP_OFF, 0);
44 else if (event & SND_SOC_DAPM_POST_PMD)
45 gpio_set_value(GPIO_E750_HP_AMP_OFF, 1);
46
47 return 0;
48}
49
50static const struct snd_soc_dapm_widget e750_dapm_widgets[] = {
51 SND_SOC_DAPM_HP("Headphone Jack", NULL),
52 SND_SOC_DAPM_SPK("Speaker", NULL),
53 SND_SOC_DAPM_MIC("Mic (Internal)", NULL),
54 SND_SOC_DAPM_PGA_E("Headphone Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
55 e750_hp_amp_event, SND_SOC_DAPM_PRE_PMU |
56 SND_SOC_DAPM_POST_PMD),
57 SND_SOC_DAPM_PGA_E("Speaker Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
58 e750_spk_amp_event, SND_SOC_DAPM_PRE_PMU |
59 SND_SOC_DAPM_POST_PMD),
60};
61
62static const struct snd_soc_dapm_route audio_map[] = {
63 {"Headphone Amp", NULL, "HPOUTL"},
64 {"Headphone Amp", NULL, "HPOUTR"},
65 {"Headphone Jack", NULL, "Headphone Amp"},
66
67 {"Speaker Amp", NULL, "MONOOUT"},
68 {"Speaker", NULL, "Speaker Amp"},
69
70 {"MIC1", NULL, "Mic (Internal)"},
71};
72
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73static struct snd_soc_dai_link e750_dai[] = {
74 {
75 .name = "AC97",
76 .stream_name = "AC97 HiFi",
4bfc4e25 77 .cpu_dai_name = "pxa2xx-ac97",
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78 .codec_dai_name = "wm9705-hifi",
79 .platform_name = "pxa-pcm-audio",
80 .codec_name = "wm9705-codec",
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81 /* use ops to check startup state */
82 },
83 {
84 .name = "AC97 Aux",
85 .stream_name = "AC97 Aux",
4bfc4e25 86 .cpu_dai_name = "pxa2xx-ac97-aux",
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87 .codec_dai_name ="wm9705-aux",
88 .platform_name = "pxa-pcm-audio",
89 .codec_name = "wm9705-codec",
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90 },
91};
92
93static struct snd_soc_card e750 = {
94 .name = "Toshiba e750",
561c6a17 95 .owner = THIS_MODULE,
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96 .dai_link = e750_dai,
97 .num_links = ARRAY_SIZE(e750_dai),
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98
99 .dapm_widgets = e750_dapm_widgets,
100 .num_dapm_widgets = ARRAY_SIZE(e750_dapm_widgets),
101 .dapm_routes = audio_map,
102 .num_dapm_routes = ARRAY_SIZE(audio_map),
7523f69e 103 .fully_routed = true,
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104};
105
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106static struct gpio e750_audio_gpios[] = {
107 { GPIO_E750_HP_AMP_OFF, GPIOF_OUT_INIT_HIGH, "Headphone amp" },
108 { GPIO_E750_SPK_AMP_OFF, GPIOF_OUT_INIT_HIGH, "Speaker amp" },
109};
a7e2e735 110
570f6fe1 111static int e750_probe(struct platform_device *pdev)
a7e2e735 112{
5eb2c3d9 113 struct snd_soc_card *card = &e750;
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114 int ret;
115
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116 ret = gpio_request_array(e750_audio_gpios,
117 ARRAY_SIZE(e750_audio_gpios));
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118 if (ret)
119 return ret;
120
5eb2c3d9 121 card->dev = &pdev->dev;
a7e2e735 122
2fd7076a 123 ret = devm_snd_soc_register_card(&pdev->dev, card);
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124 if (ret) {
125 dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
126 ret);
127 gpio_free_array(e750_audio_gpios, ARRAY_SIZE(e750_audio_gpios));
a7e2e735 128 }
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129 return ret;
130}
131
570f6fe1 132static int e750_remove(struct platform_device *pdev)
a7e2e735 133{
5eb2c3d9 134 gpio_free_array(e750_audio_gpios, ARRAY_SIZE(e750_audio_gpios));
5eb2c3d9 135 return 0;
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136}
137
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138static struct platform_driver e750_driver = {
139 .driver = {
140 .name = "e750-audio",
7db1698f 141 .pm = &snd_soc_pm_ops,
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142 },
143 .probe = e750_probe,
570f6fe1 144 .remove = e750_remove,
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145};
146
147module_platform_driver(e750_driver);
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148
149/* Module information */
150MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
151MODULE_DESCRIPTION("ALSA SoC driver for e750");
152MODULE_LICENSE("GPL v2");
5eb2c3d9 153MODULE_ALIAS("platform:e750-audio");