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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> | |
19 | #include <sound/soc-dapm.h> | |
20 | ||
a7e2e735 IM |
21 | #include <mach/audio.h> |
22 | #include <mach/eseries-gpio.h> | |
23 | ||
24 | #include <asm/mach-types.h> | |
25 | ||
26 | #include "../codecs/wm9705.h" | |
a7e2e735 IM |
27 | #include "pxa2xx-ac97.h" |
28 | ||
29 | static int e750_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_E750_SPK_AMP_OFF, 0); | |
34 | else if (event & SND_SOC_DAPM_POST_PMD) | |
35 | gpio_set_value(GPIO_E750_SPK_AMP_OFF, 1); | |
36 | ||
37 | return 0; | |
38 | } | |
39 | ||
40 | static int e750_hp_amp_event(struct snd_soc_dapm_widget *w, | |
41 | struct snd_kcontrol *kcontrol, int event) | |
42 | { | |
43 | if (event & SND_SOC_DAPM_PRE_PMU) | |
44 | gpio_set_value(GPIO_E750_HP_AMP_OFF, 0); | |
45 | else if (event & SND_SOC_DAPM_POST_PMD) | |
46 | gpio_set_value(GPIO_E750_HP_AMP_OFF, 1); | |
47 | ||
48 | return 0; | |
49 | } | |
50 | ||
51 | static const struct snd_soc_dapm_widget e750_dapm_widgets[] = { | |
52 | SND_SOC_DAPM_HP("Headphone Jack", NULL), | |
53 | SND_SOC_DAPM_SPK("Speaker", NULL), | |
54 | SND_SOC_DAPM_MIC("Mic (Internal)", NULL), | |
55 | SND_SOC_DAPM_PGA_E("Headphone Amp", SND_SOC_NOPM, 0, 0, NULL, 0, | |
56 | e750_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 | e750_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 Amp", NULL, "HPOUTL"}, | |
65 | {"Headphone Amp", NULL, "HPOUTR"}, | |
66 | {"Headphone Jack", NULL, "Headphone Amp"}, | |
67 | ||
68 | {"Speaker Amp", NULL, "MONOOUT"}, | |
69 | {"Speaker", NULL, "Speaker Amp"}, | |
70 | ||
71 | {"MIC1", NULL, "Mic (Internal)"}, | |
72 | }; | |
73 | ||
f0fba2ad | 74 | static int e750_ac97_init(struct snd_soc_pcm_runtime *rtd) |
a7e2e735 | 75 | { |
f0fba2ad LG |
76 | struct snd_soc_codec *codec = rtd->codec; |
77 | ||
a7e2e735 IM |
78 | snd_soc_dapm_nc_pin(codec, "LOUT"); |
79 | snd_soc_dapm_nc_pin(codec, "ROUT"); | |
80 | snd_soc_dapm_nc_pin(codec, "PHONE"); | |
81 | snd_soc_dapm_nc_pin(codec, "LINEINL"); | |
82 | snd_soc_dapm_nc_pin(codec, "LINEINR"); | |
83 | snd_soc_dapm_nc_pin(codec, "CDINL"); | |
84 | snd_soc_dapm_nc_pin(codec, "CDINR"); | |
85 | snd_soc_dapm_nc_pin(codec, "PCBEEP"); | |
86 | snd_soc_dapm_nc_pin(codec, "MIC2"); | |
87 | ||
88 | snd_soc_dapm_new_controls(codec, e750_dapm_widgets, | |
89 | ARRAY_SIZE(e750_dapm_widgets)); | |
90 | ||
91 | snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); | |
92 | ||
93 | snd_soc_dapm_sync(codec); | |
94 | ||
95 | return 0; | |
96 | } | |
97 | ||
98 | static struct snd_soc_dai_link e750_dai[] = { | |
99 | { | |
100 | .name = "AC97", | |
101 | .stream_name = "AC97 HiFi", | |
f0fba2ad LG |
102 | .cpu_dai_name = "pxa-ac97.0", |
103 | .codec_dai_name = "wm9705-hifi", | |
104 | .platform_name = "pxa-pcm-audio", | |
105 | .codec_name = "wm9705-codec", | |
a7e2e735 IM |
106 | .init = e750_ac97_init, |
107 | /* use ops to check startup state */ | |
108 | }, | |
109 | { | |
110 | .name = "AC97 Aux", | |
111 | .stream_name = "AC97 Aux", | |
f0fba2ad LG |
112 | .cpu_dai_name = "pxa-ac97.1", |
113 | .codec_dai_name ="wm9705-aux", | |
114 | .platform_name = "pxa-pcm-audio", | |
115 | .codec_name = "wm9705-codec", | |
a7e2e735 IM |
116 | }, |
117 | }; | |
118 | ||
119 | static struct snd_soc_card e750 = { | |
120 | .name = "Toshiba e750", | |
a7e2e735 IM |
121 | .dai_link = e750_dai, |
122 | .num_links = ARRAY_SIZE(e750_dai), | |
123 | }; | |
124 | ||
a7e2e735 IM |
125 | static struct platform_device *e750_snd_device; |
126 | ||
127 | static int __init e750_init(void) | |
128 | { | |
129 | int ret; | |
130 | ||
131 | if (!machine_is_e750()) | |
132 | return -ENODEV; | |
133 | ||
134 | ret = gpio_request(GPIO_E750_HP_AMP_OFF, "Headphone amp"); | |
135 | if (ret) | |
136 | return ret; | |
137 | ||
138 | ret = gpio_request(GPIO_E750_SPK_AMP_OFF, "Speaker amp"); | |
139 | if (ret) | |
140 | goto free_hp_amp_gpio; | |
141 | ||
142 | ret = gpio_direction_output(GPIO_E750_HP_AMP_OFF, 1); | |
143 | if (ret) | |
144 | goto free_spk_amp_gpio; | |
145 | ||
146 | ret = gpio_direction_output(GPIO_E750_SPK_AMP_OFF, 1); | |
147 | if (ret) | |
148 | goto free_spk_amp_gpio; | |
149 | ||
150 | e750_snd_device = platform_device_alloc("soc-audio", -1); | |
151 | if (!e750_snd_device) { | |
152 | ret = -ENOMEM; | |
153 | goto free_spk_amp_gpio; | |
154 | } | |
155 | ||
f0fba2ad | 156 | platform_set_drvdata(e750_snd_device, &e750); |
a7e2e735 IM |
157 | ret = platform_device_add(e750_snd_device); |
158 | ||
159 | if (!ret) | |
160 | return 0; | |
161 | ||
162 | /* Fail gracefully */ | |
163 | platform_device_put(e750_snd_device); | |
164 | free_spk_amp_gpio: | |
165 | gpio_free(GPIO_E750_SPK_AMP_OFF); | |
166 | free_hp_amp_gpio: | |
167 | gpio_free(GPIO_E750_HP_AMP_OFF); | |
168 | ||
169 | return ret; | |
170 | } | |
171 | ||
172 | static void __exit e750_exit(void) | |
173 | { | |
174 | platform_device_unregister(e750_snd_device); | |
175 | gpio_free(GPIO_E750_SPK_AMP_OFF); | |
176 | gpio_free(GPIO_E750_HP_AMP_OFF); | |
177 | } | |
178 | ||
179 | module_init(e750_init); | |
180 | module_exit(e750_exit); | |
181 | ||
182 | /* Module information */ | |
183 | MODULE_AUTHOR("Ian Molton <spyro@f2s.com>"); | |
184 | MODULE_DESCRIPTION("ALSA SoC driver for e750"); | |
185 | MODULE_LICENSE("GPL v2"); |