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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 | 25 | #include "../codecs/wm9712.h" |
ab40d4f1 IM |
26 | #include "pxa2xx-ac97.h" |
27 | ||
0465c7aa IM |
28 | static int e800_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_E800_SPK_AMP_ON, 1); | |
33 | else if (event & SND_SOC_DAPM_POST_PMD) | |
34 | gpio_set_value(GPIO_E800_SPK_AMP_ON, 0); | |
ab40d4f1 | 35 | |
0465c7aa IM |
36 | return 0; |
37 | } | |
38 | ||
39 | static int e800_hp_amp_event(struct snd_soc_dapm_widget *w, | |
40 | struct snd_kcontrol *kcontrol, int event) | |
ab40d4f1 | 41 | { |
0465c7aa IM |
42 | if (event & SND_SOC_DAPM_PRE_PMU) |
43 | gpio_set_value(GPIO_E800_HP_AMP_OFF, 0); | |
44 | else if (event & SND_SOC_DAPM_POST_PMD) | |
45 | gpio_set_value(GPIO_E800_HP_AMP_OFF, 1); | |
46 | ||
47 | return 0; | |
48 | } | |
49 | ||
50 | static const struct snd_soc_dapm_widget e800_dapm_widgets[] = { | |
51 | SND_SOC_DAPM_HP("Headphone Jack", NULL), | |
52 | SND_SOC_DAPM_MIC("Mic (Internal1)", NULL), | |
53 | SND_SOC_DAPM_MIC("Mic (Internal2)", NULL), | |
54 | SND_SOC_DAPM_SPK("Speaker", NULL), | |
55 | SND_SOC_DAPM_PGA_E("Headphone Amp", SND_SOC_NOPM, 0, 0, NULL, 0, | |
56 | e800_hp_amp_event, SND_SOC_DAPM_PRE_PMU | | |
57 | SND_SOC_DAPM_POST_PMD), | |
58 | SND_SOC_DAPM_PGA_E("Speaker Amp", SND_SOC_NOPM, 0, 0, NULL, 0, | |
59 | e800_spk_amp_event, SND_SOC_DAPM_PRE_PMU | | |
60 | SND_SOC_DAPM_POST_PMD), | |
61 | }; | |
62 | ||
63 | static const struct snd_soc_dapm_route audio_map[] = { | |
64 | {"Headphone Jack", NULL, "HPOUTL"}, | |
65 | {"Headphone Jack", NULL, "HPOUTR"}, | |
66 | {"Headphone Jack", NULL, "Headphone Amp"}, | |
67 | ||
68 | {"Speaker Amp", NULL, "MONOOUT"}, | |
69 | {"Speaker", NULL, "Speaker Amp"}, | |
70 | ||
71 | {"MIC1", NULL, "Mic (Internal1)"}, | |
72 | {"MIC2", NULL, "Mic (Internal2)"}, | |
73 | }; | |
74 | ||
f0fba2ad | 75 | static int e800_ac97_init(struct snd_soc_pcm_runtime *rtd) |
0465c7aa | 76 | { |
f0fba2ad LG |
77 | struct snd_soc_codec *codec = rtd->codec; |
78 | ||
0465c7aa IM |
79 | snd_soc_dapm_new_controls(codec, e800_dapm_widgets, |
80 | ARRAY_SIZE(e800_dapm_widgets)); | |
81 | ||
82 | snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); | |
83 | snd_soc_dapm_sync(codec); | |
84 | ||
85 | return 0; | |
86 | } | |
87 | ||
88 | static struct snd_soc_dai_link e800_dai[] = { | |
89 | { | |
90 | .name = "AC97", | |
91 | .stream_name = "AC97 HiFi", | |
f0fba2ad LG |
92 | .cpu_dai_name = "pxa-ac97.0", |
93 | .codec_dai_name = "wm9712-hifi", | |
94 | .platform_name = "pxa-pcm-audio", | |
95 | .codec_name = "wm9712-codec", | |
0465c7aa IM |
96 | .init = e800_ac97_init, |
97 | }, | |
98 | { | |
99 | .name = "AC97 Aux", | |
100 | .stream_name = "AC97 Aux", | |
f0fba2ad LG |
101 | .cpu_dai_name = "pxa-ac97.1", |
102 | .codec_dai_name ="wm9712-aux", | |
103 | .platform_name = "pxa-pcm-audio", | |
104 | .codec_name = "wm9712-codec", | |
0465c7aa | 105 | }, |
ab40d4f1 IM |
106 | }; |
107 | ||
87506549 | 108 | static struct snd_soc_card e800 = { |
ab40d4f1 IM |
109 | .name = "Toshiba e800", |
110 | .dai_link = e800_dai, | |
111 | .num_links = ARRAY_SIZE(e800_dai), | |
112 | }; | |
113 | ||
ab40d4f1 IM |
114 | static struct platform_device *e800_snd_device; |
115 | ||
116 | static int __init e800_init(void) | |
117 | { | |
118 | int ret; | |
119 | ||
120 | if (!machine_is_e800()) | |
121 | return -ENODEV; | |
122 | ||
0465c7aa IM |
123 | ret = gpio_request(GPIO_E800_HP_AMP_OFF, "Headphone amp"); |
124 | if (ret) | |
125 | return ret; | |
126 | ||
127 | ret = gpio_request(GPIO_E800_SPK_AMP_ON, "Speaker amp"); | |
128 | if (ret) | |
129 | goto free_hp_amp_gpio; | |
130 | ||
131 | ret = gpio_direction_output(GPIO_E800_HP_AMP_OFF, 1); | |
132 | if (ret) | |
133 | goto free_spk_amp_gpio; | |
134 | ||
135 | ret = gpio_direction_output(GPIO_E800_SPK_AMP_ON, 1); | |
136 | if (ret) | |
137 | goto free_spk_amp_gpio; | |
138 | ||
ab40d4f1 IM |
139 | e800_snd_device = platform_device_alloc("soc-audio", -1); |
140 | if (!e800_snd_device) | |
141 | return -ENOMEM; | |
142 | ||
f0fba2ad | 143 | platform_set_drvdata(e800_snd_device, &e800); |
ab40d4f1 IM |
144 | ret = platform_device_add(e800_snd_device); |
145 | ||
0465c7aa IM |
146 | if (!ret) |
147 | return 0; | |
148 | ||
149 | /* Fail gracefully */ | |
150 | platform_device_put(e800_snd_device); | |
151 | free_spk_amp_gpio: | |
152 | gpio_free(GPIO_E800_SPK_AMP_ON); | |
153 | free_hp_amp_gpio: | |
154 | gpio_free(GPIO_E800_HP_AMP_OFF); | |
ab40d4f1 IM |
155 | |
156 | return ret; | |
157 | } | |
158 | ||
159 | static void __exit e800_exit(void) | |
160 | { | |
161 | platform_device_unregister(e800_snd_device); | |
0465c7aa IM |
162 | gpio_free(GPIO_E800_SPK_AMP_ON); |
163 | gpio_free(GPIO_E800_HP_AMP_OFF); | |
ab40d4f1 IM |
164 | } |
165 | ||
166 | module_init(e800_init); | |
167 | module_exit(e800_exit); | |
168 | ||
169 | /* Module information */ | |
170 | MODULE_AUTHOR("Ian Molton <spyro@f2s.com>"); | |
171 | MODULE_DESCRIPTION("ALSA SoC driver for e800"); | |
0465c7aa | 172 | MODULE_LICENSE("GPL v2"); |