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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> | |
19 | #include <sound/soc-dapm.h> | |
20 | ||
c91cf25e | 21 | #include <asm/mach-types.h> |
a09e64fb | 22 | #include <mach/audio.h> |
0465c7aa IM |
23 | #include <mach/eseries-gpio.h> |
24 | ||
ab40d4f1 IM |
25 | #include "../codecs/wm9712.h" |
26 | #include "pxa2xx-pcm.h" | |
27 | #include "pxa2xx-ac97.h" | |
28 | ||
0465c7aa IM |
29 | static int e800_spk_amp_event(struct snd_soc_dapm_widget *w, |
30 | struct snd_kcontrol *kcontrol, int event) | |
31 | { | |
32 | if (event & SND_SOC_DAPM_PRE_PMU) | |
33 | gpio_set_value(GPIO_E800_SPK_AMP_ON, 1); | |
34 | else if (event & SND_SOC_DAPM_POST_PMD) | |
35 | gpio_set_value(GPIO_E800_SPK_AMP_ON, 0); | |
ab40d4f1 | 36 | |
0465c7aa IM |
37 | return 0; |
38 | } | |
39 | ||
40 | static int e800_hp_amp_event(struct snd_soc_dapm_widget *w, | |
41 | struct snd_kcontrol *kcontrol, int event) | |
ab40d4f1 | 42 | { |
0465c7aa IM |
43 | if (event & SND_SOC_DAPM_PRE_PMU) |
44 | gpio_set_value(GPIO_E800_HP_AMP_OFF, 0); | |
45 | else if (event & SND_SOC_DAPM_POST_PMD) | |
46 | gpio_set_value(GPIO_E800_HP_AMP_OFF, 1); | |
47 | ||
48 | return 0; | |
49 | } | |
50 | ||
51 | static const struct snd_soc_dapm_widget e800_dapm_widgets[] = { | |
52 | SND_SOC_DAPM_HP("Headphone Jack", NULL), | |
53 | SND_SOC_DAPM_MIC("Mic (Internal1)", NULL), | |
54 | SND_SOC_DAPM_MIC("Mic (Internal2)", NULL), | |
55 | SND_SOC_DAPM_SPK("Speaker", NULL), | |
56 | SND_SOC_DAPM_PGA_E("Headphone Amp", SND_SOC_NOPM, 0, 0, NULL, 0, | |
57 | e800_hp_amp_event, SND_SOC_DAPM_PRE_PMU | | |
58 | SND_SOC_DAPM_POST_PMD), | |
59 | SND_SOC_DAPM_PGA_E("Speaker Amp", SND_SOC_NOPM, 0, 0, NULL, 0, | |
60 | e800_spk_amp_event, SND_SOC_DAPM_PRE_PMU | | |
61 | SND_SOC_DAPM_POST_PMD), | |
62 | }; | |
63 | ||
64 | static const struct snd_soc_dapm_route audio_map[] = { | |
65 | {"Headphone Jack", NULL, "HPOUTL"}, | |
66 | {"Headphone Jack", NULL, "HPOUTR"}, | |
67 | {"Headphone Jack", NULL, "Headphone Amp"}, | |
68 | ||
69 | {"Speaker Amp", NULL, "MONOOUT"}, | |
70 | {"Speaker", NULL, "Speaker Amp"}, | |
71 | ||
72 | {"MIC1", NULL, "Mic (Internal1)"}, | |
73 | {"MIC2", NULL, "Mic (Internal2)"}, | |
74 | }; | |
75 | ||
76 | static int e800_ac97_init(struct snd_soc_codec *codec) | |
77 | { | |
78 | snd_soc_dapm_new_controls(codec, e800_dapm_widgets, | |
79 | ARRAY_SIZE(e800_dapm_widgets)); | |
80 | ||
81 | snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); | |
82 | snd_soc_dapm_sync(codec); | |
83 | ||
84 | return 0; | |
85 | } | |
86 | ||
87 | static struct snd_soc_dai_link e800_dai[] = { | |
88 | { | |
89 | .name = "AC97", | |
90 | .stream_name = "AC97 HiFi", | |
91 | .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_HIFI], | |
92 | .codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI], | |
93 | .init = e800_ac97_init, | |
94 | }, | |
95 | { | |
96 | .name = "AC97 Aux", | |
97 | .stream_name = "AC97 Aux", | |
98 | .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX], | |
99 | .codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX], | |
100 | }, | |
ab40d4f1 IM |
101 | }; |
102 | ||
87506549 | 103 | static struct snd_soc_card e800 = { |
ab40d4f1 | 104 | .name = "Toshiba e800", |
87689d56 | 105 | .platform = &pxa2xx_soc_platform, |
ab40d4f1 IM |
106 | .dai_link = e800_dai, |
107 | .num_links = ARRAY_SIZE(e800_dai), | |
108 | }; | |
109 | ||
110 | static struct snd_soc_device e800_snd_devdata = { | |
87506549 | 111 | .card = &e800, |
ab40d4f1 IM |
112 | .codec_dev = &soc_codec_dev_wm9712, |
113 | }; | |
114 | ||
115 | static struct platform_device *e800_snd_device; | |
116 | ||
117 | static int __init e800_init(void) | |
118 | { | |
119 | int ret; | |
120 | ||
121 | if (!machine_is_e800()) | |
122 | return -ENODEV; | |
123 | ||
0465c7aa IM |
124 | ret = gpio_request(GPIO_E800_HP_AMP_OFF, "Headphone amp"); |
125 | if (ret) | |
126 | return ret; | |
127 | ||
128 | ret = gpio_request(GPIO_E800_SPK_AMP_ON, "Speaker amp"); | |
129 | if (ret) | |
130 | goto free_hp_amp_gpio; | |
131 | ||
132 | ret = gpio_direction_output(GPIO_E800_HP_AMP_OFF, 1); | |
133 | if (ret) | |
134 | goto free_spk_amp_gpio; | |
135 | ||
136 | ret = gpio_direction_output(GPIO_E800_SPK_AMP_ON, 1); | |
137 | if (ret) | |
138 | goto free_spk_amp_gpio; | |
139 | ||
ab40d4f1 IM |
140 | e800_snd_device = platform_device_alloc("soc-audio", -1); |
141 | if (!e800_snd_device) | |
142 | return -ENOMEM; | |
143 | ||
144 | platform_set_drvdata(e800_snd_device, &e800_snd_devdata); | |
145 | e800_snd_devdata.dev = &e800_snd_device->dev; | |
146 | ret = platform_device_add(e800_snd_device); | |
147 | ||
0465c7aa IM |
148 | if (!ret) |
149 | return 0; | |
150 | ||
151 | /* Fail gracefully */ | |
152 | platform_device_put(e800_snd_device); | |
153 | free_spk_amp_gpio: | |
154 | gpio_free(GPIO_E800_SPK_AMP_ON); | |
155 | free_hp_amp_gpio: | |
156 | gpio_free(GPIO_E800_HP_AMP_OFF); | |
ab40d4f1 IM |
157 | |
158 | return ret; | |
159 | } | |
160 | ||
161 | static void __exit e800_exit(void) | |
162 | { | |
163 | platform_device_unregister(e800_snd_device); | |
0465c7aa IM |
164 | gpio_free(GPIO_E800_SPK_AMP_ON); |
165 | gpio_free(GPIO_E800_HP_AMP_OFF); | |
ab40d4f1 IM |
166 | } |
167 | ||
168 | module_init(e800_init); | |
169 | module_exit(e800_exit); | |
170 | ||
171 | /* Module information */ | |
172 | MODULE_AUTHOR("Ian Molton <spyro@f2s.com>"); | |
173 | MODULE_DESCRIPTION("ALSA SoC driver for e800"); | |
0465c7aa | 174 | MODULE_LICENSE("GPL v2"); |