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a7e2e735 IM |
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 | |
a7e2e735 IM |
20 | #include <mach/audio.h> |
21 | #include <mach/eseries-gpio.h> | |
22 | ||
23 | #include <asm/mach-types.h> | |
24 | ||
25 | #include "../codecs/wm9705.h" | |
a7e2e735 IM |
26 | #include "pxa2xx-ac97.h" |
27 | ||
28 | static 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 | ||
39 | static 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 | ||
50 | static 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 | ||
62 | static 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 | ||
f0fba2ad | 73 | static int e750_ac97_init(struct snd_soc_pcm_runtime *rtd) |
a7e2e735 | 74 | { |
f0fba2ad | 75 | struct snd_soc_codec *codec = rtd->codec; |
ce6120cc LG |
76 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
77 | ||
78 | snd_soc_dapm_nc_pin(dapm, "LOUT"); | |
79 | snd_soc_dapm_nc_pin(dapm, "ROUT"); | |
80 | snd_soc_dapm_nc_pin(dapm, "PHONE"); | |
81 | snd_soc_dapm_nc_pin(dapm, "LINEINL"); | |
82 | snd_soc_dapm_nc_pin(dapm, "LINEINR"); | |
83 | snd_soc_dapm_nc_pin(dapm, "CDINL"); | |
84 | snd_soc_dapm_nc_pin(dapm, "CDINR"); | |
85 | snd_soc_dapm_nc_pin(dapm, "PCBEEP"); | |
86 | snd_soc_dapm_nc_pin(dapm, "MIC2"); | |
87 | ||
88 | snd_soc_dapm_new_controls(dapm, e750_dapm_widgets, | |
a7e2e735 IM |
89 | ARRAY_SIZE(e750_dapm_widgets)); |
90 | ||
ce6120cc | 91 | snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); |
a7e2e735 | 92 | |
a7e2e735 IM |
93 | return 0; |
94 | } | |
95 | ||
96 | static struct snd_soc_dai_link e750_dai[] = { | |
97 | { | |
98 | .name = "AC97", | |
99 | .stream_name = "AC97 HiFi", | |
4bfc4e25 | 100 | .cpu_dai_name = "pxa2xx-ac97", |
f0fba2ad LG |
101 | .codec_dai_name = "wm9705-hifi", |
102 | .platform_name = "pxa-pcm-audio", | |
103 | .codec_name = "wm9705-codec", | |
a7e2e735 IM |
104 | .init = e750_ac97_init, |
105 | /* use ops to check startup state */ | |
106 | }, | |
107 | { | |
108 | .name = "AC97 Aux", | |
109 | .stream_name = "AC97 Aux", | |
4bfc4e25 | 110 | .cpu_dai_name = "pxa2xx-ac97-aux", |
f0fba2ad LG |
111 | .codec_dai_name ="wm9705-aux", |
112 | .platform_name = "pxa-pcm-audio", | |
113 | .codec_name = "wm9705-codec", | |
a7e2e735 IM |
114 | }, |
115 | }; | |
116 | ||
117 | static struct snd_soc_card e750 = { | |
118 | .name = "Toshiba e750", | |
561c6a17 | 119 | .owner = THIS_MODULE, |
a7e2e735 IM |
120 | .dai_link = e750_dai, |
121 | .num_links = ARRAY_SIZE(e750_dai), | |
122 | }; | |
123 | ||
5eb2c3d9 AL |
124 | static struct gpio e750_audio_gpios[] = { |
125 | { GPIO_E750_HP_AMP_OFF, GPIOF_OUT_INIT_HIGH, "Headphone amp" }, | |
126 | { GPIO_E750_SPK_AMP_OFF, GPIOF_OUT_INIT_HIGH, "Speaker amp" }, | |
127 | }; | |
a7e2e735 | 128 | |
5eb2c3d9 | 129 | static int __devinit e750_probe(struct platform_device *pdev) |
a7e2e735 | 130 | { |
5eb2c3d9 | 131 | struct snd_soc_card *card = &e750; |
a7e2e735 IM |
132 | int ret; |
133 | ||
5eb2c3d9 AL |
134 | ret = gpio_request_array(e750_audio_gpios, |
135 | ARRAY_SIZE(e750_audio_gpios)); | |
a7e2e735 IM |
136 | if (ret) |
137 | return ret; | |
138 | ||
5eb2c3d9 | 139 | card->dev = &pdev->dev; |
a7e2e735 | 140 | |
5eb2c3d9 AL |
141 | ret = snd_soc_register_card(card); |
142 | if (ret) { | |
143 | dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", | |
144 | ret); | |
145 | gpio_free_array(e750_audio_gpios, ARRAY_SIZE(e750_audio_gpios)); | |
a7e2e735 | 146 | } |
a7e2e735 IM |
147 | return ret; |
148 | } | |
149 | ||
5eb2c3d9 | 150 | static int __devexit e750_remove(struct platform_device *pdev) |
a7e2e735 | 151 | { |
5eb2c3d9 AL |
152 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
153 | ||
154 | gpio_free_array(e750_audio_gpios, ARRAY_SIZE(e750_audio_gpios)); | |
155 | snd_soc_unregister_card(card); | |
156 | return 0; | |
a7e2e735 IM |
157 | } |
158 | ||
5eb2c3d9 AL |
159 | static struct platform_driver e750_driver = { |
160 | .driver = { | |
161 | .name = "e750-audio", | |
162 | .owner = THIS_MODULE, | |
163 | }, | |
164 | .probe = e750_probe, | |
165 | .remove = __devexit_p(e750_remove), | |
166 | }; | |
167 | ||
168 | module_platform_driver(e750_driver); | |
a7e2e735 IM |
169 | |
170 | /* Module information */ | |
171 | MODULE_AUTHOR("Ian Molton <spyro@f2s.com>"); | |
172 | MODULE_DESCRIPTION("ALSA SoC driver for e750"); | |
173 | MODULE_LICENSE("GPL v2"); | |
5eb2c3d9 | 174 | MODULE_ALIAS("platform:e750-audio"); |