diff options
Diffstat (limited to 'sound/soc/pxa/e750_wm9705.c')
-rw-r--r-- | sound/soc/pxa/e750_wm9705.c | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/sound/soc/pxa/e750_wm9705.c b/sound/soc/pxa/e750_wm9705.c new file mode 100644 index 000000000000..8dceccc5e059 --- /dev/null +++ b/sound/soc/pxa/e750_wm9705.c | |||
@@ -0,0 +1,187 @@ | |||
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> | ||
19 | #include <sound/soc-dapm.h> | ||
20 | |||
21 | #include <mach/audio.h> | ||
22 | #include <mach/eseries-gpio.h> | ||
23 | |||
24 | #include <asm/mach-types.h> | ||
25 | |||
26 | #include "../codecs/wm9705.h" | ||
27 | #include "pxa2xx-pcm.h" | ||
28 | #include "pxa2xx-ac97.h" | ||
29 | |||
30 | static int e750_spk_amp_event(struct snd_soc_dapm_widget *w, | ||
31 | struct snd_kcontrol *kcontrol, int event) | ||
32 | { | ||
33 | if (event & SND_SOC_DAPM_PRE_PMU) | ||
34 | gpio_set_value(GPIO_E750_SPK_AMP_OFF, 0); | ||
35 | else if (event & SND_SOC_DAPM_POST_PMD) | ||
36 | gpio_set_value(GPIO_E750_SPK_AMP_OFF, 1); | ||
37 | |||
38 | return 0; | ||
39 | } | ||
40 | |||
41 | static int e750_hp_amp_event(struct snd_soc_dapm_widget *w, | ||
42 | struct snd_kcontrol *kcontrol, int event) | ||
43 | { | ||
44 | if (event & SND_SOC_DAPM_PRE_PMU) | ||
45 | gpio_set_value(GPIO_E750_HP_AMP_OFF, 0); | ||
46 | else if (event & SND_SOC_DAPM_POST_PMD) | ||
47 | gpio_set_value(GPIO_E750_HP_AMP_OFF, 1); | ||
48 | |||
49 | return 0; | ||
50 | } | ||
51 | |||
52 | static const struct snd_soc_dapm_widget e750_dapm_widgets[] = { | ||
53 | SND_SOC_DAPM_HP("Headphone Jack", NULL), | ||
54 | SND_SOC_DAPM_SPK("Speaker", NULL), | ||
55 | SND_SOC_DAPM_MIC("Mic (Internal)", NULL), | ||
56 | SND_SOC_DAPM_PGA_E("Headphone Amp", SND_SOC_NOPM, 0, 0, NULL, 0, | ||
57 | e750_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 | e750_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 Amp", NULL, "HPOUTL"}, | ||
66 | {"Headphone Amp", NULL, "HPOUTR"}, | ||
67 | {"Headphone Jack", NULL, "Headphone Amp"}, | ||
68 | |||
69 | {"Speaker Amp", NULL, "MONOOUT"}, | ||
70 | {"Speaker", NULL, "Speaker Amp"}, | ||
71 | |||
72 | {"MIC1", NULL, "Mic (Internal)"}, | ||
73 | }; | ||
74 | |||
75 | static int e750_ac97_init(struct snd_soc_codec *codec) | ||
76 | { | ||
77 | snd_soc_dapm_nc_pin(codec, "LOUT"); | ||
78 | snd_soc_dapm_nc_pin(codec, "ROUT"); | ||
79 | snd_soc_dapm_nc_pin(codec, "PHONE"); | ||
80 | snd_soc_dapm_nc_pin(codec, "LINEINL"); | ||
81 | snd_soc_dapm_nc_pin(codec, "LINEINR"); | ||
82 | snd_soc_dapm_nc_pin(codec, "CDINL"); | ||
83 | snd_soc_dapm_nc_pin(codec, "CDINR"); | ||
84 | snd_soc_dapm_nc_pin(codec, "PCBEEP"); | ||
85 | snd_soc_dapm_nc_pin(codec, "MIC2"); | ||
86 | |||
87 | snd_soc_dapm_new_controls(codec, e750_dapm_widgets, | ||
88 | ARRAY_SIZE(e750_dapm_widgets)); | ||
89 | |||
90 | snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); | ||
91 | |||
92 | snd_soc_dapm_sync(codec); | ||
93 | |||
94 | return 0; | ||
95 | } | ||
96 | |||
97 | static struct snd_soc_dai_link e750_dai[] = { | ||
98 | { | ||
99 | .name = "AC97", | ||
100 | .stream_name = "AC97 HiFi", | ||
101 | .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_HIFI], | ||
102 | .codec_dai = &wm9705_dai[WM9705_DAI_AC97_HIFI], | ||
103 | .init = e750_ac97_init, | ||
104 | /* use ops to check startup state */ | ||
105 | }, | ||
106 | { | ||
107 | .name = "AC97 Aux", | ||
108 | .stream_name = "AC97 Aux", | ||
109 | .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX], | ||
110 | .codec_dai = &wm9705_dai[WM9705_DAI_AC97_AUX], | ||
111 | }, | ||
112 | }; | ||
113 | |||
114 | static struct snd_soc_card e750 = { | ||
115 | .name = "Toshiba e750", | ||
116 | .platform = &pxa2xx_soc_platform, | ||
117 | .dai_link = e750_dai, | ||
118 | .num_links = ARRAY_SIZE(e750_dai), | ||
119 | }; | ||
120 | |||
121 | static struct snd_soc_device e750_snd_devdata = { | ||
122 | .card = &e750, | ||
123 | .codec_dev = &soc_codec_dev_wm9705, | ||
124 | }; | ||
125 | |||
126 | static struct platform_device *e750_snd_device; | ||
127 | |||
128 | static int __init e750_init(void) | ||
129 | { | ||
130 | int ret; | ||
131 | |||
132 | if (!machine_is_e750()) | ||
133 | return -ENODEV; | ||
134 | |||
135 | ret = gpio_request(GPIO_E750_HP_AMP_OFF, "Headphone amp"); | ||
136 | if (ret) | ||
137 | return ret; | ||
138 | |||
139 | ret = gpio_request(GPIO_E750_SPK_AMP_OFF, "Speaker amp"); | ||
140 | if (ret) | ||
141 | goto free_hp_amp_gpio; | ||
142 | |||
143 | ret = gpio_direction_output(GPIO_E750_HP_AMP_OFF, 1); | ||
144 | if (ret) | ||
145 | goto free_spk_amp_gpio; | ||
146 | |||
147 | ret = gpio_direction_output(GPIO_E750_SPK_AMP_OFF, 1); | ||
148 | if (ret) | ||
149 | goto free_spk_amp_gpio; | ||
150 | |||
151 | e750_snd_device = platform_device_alloc("soc-audio", -1); | ||
152 | if (!e750_snd_device) { | ||
153 | ret = -ENOMEM; | ||
154 | goto free_spk_amp_gpio; | ||
155 | } | ||
156 | |||
157 | platform_set_drvdata(e750_snd_device, &e750_snd_devdata); | ||
158 | e750_snd_devdata.dev = &e750_snd_device->dev; | ||
159 | ret = platform_device_add(e750_snd_device); | ||
160 | |||
161 | if (!ret) | ||
162 | return 0; | ||
163 | |||
164 | /* Fail gracefully */ | ||
165 | platform_device_put(e750_snd_device); | ||
166 | free_spk_amp_gpio: | ||
167 | gpio_free(GPIO_E750_SPK_AMP_OFF); | ||
168 | free_hp_amp_gpio: | ||
169 | gpio_free(GPIO_E750_HP_AMP_OFF); | ||
170 | |||
171 | return ret; | ||
172 | } | ||
173 | |||
174 | static void __exit e750_exit(void) | ||
175 | { | ||
176 | platform_device_unregister(e750_snd_device); | ||
177 | gpio_free(GPIO_E750_SPK_AMP_OFF); | ||
178 | gpio_free(GPIO_E750_HP_AMP_OFF); | ||
179 | } | ||
180 | |||
181 | module_init(e750_init); | ||
182 | module_exit(e750_exit); | ||
183 | |||
184 | /* Module information */ | ||
185 | MODULE_AUTHOR("Ian Molton <spyro@f2s.com>"); | ||
186 | MODULE_DESCRIPTION("ALSA SoC driver for e750"); | ||
187 | MODULE_LICENSE("GPL v2"); | ||