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1b49cb98 LG |
1 | /* |
2 | * tosa.c -- SoC audio for Tosa | |
3 | * | |
4 | * Copyright 2005 Wolfson Microelectronics PLC. | |
5 | * Copyright 2005 Openedhand Ltd. | |
6 | * | |
d331124d | 7 | * Authors: Liam Girdwood <lrg@slimlogic.co.uk> |
1b49cb98 LG |
8 | * Richard Purdie <richard@openedhand.com> |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify it | |
11 | * under the terms of the GNU General Public License as published by the | |
12 | * Free Software Foundation; either version 2 of the License, or (at your | |
13 | * option) any later version. | |
14 | * | |
1b49cb98 LG |
15 | * GPIO's |
16 | * 1 - Jack Insertion | |
17 | * 5 - Hookswitch (headset answer/hang up switch) | |
18 | * | |
19 | */ | |
20 | ||
21 | #include <linux/module.h> | |
22 | #include <linux/moduleparam.h> | |
23 | #include <linux/device.h> | |
4440cbd6 | 24 | #include <linux/gpio.h> |
1b49cb98 | 25 | |
1b49cb98 LG |
26 | #include <sound/core.h> |
27 | #include <sound/pcm.h> | |
28 | #include <sound/soc.h> | |
1b49cb98 LG |
29 | |
30 | #include <asm/mach-types.h> | |
a09e64fb | 31 | #include <mach/tosa.h> |
a09e64fb | 32 | #include <mach/audio.h> |
1b49cb98 LG |
33 | |
34 | #include "../codecs/wm9712.h" | |
cb4c048b | 35 | #include "pxa2xx-ac97.h" |
1b49cb98 | 36 | |
1b49cb98 LG |
37 | #define TOSA_HP 0 |
38 | #define TOSA_MIC_INT 1 | |
39 | #define TOSA_HEADSET 2 | |
40 | #define TOSA_HP_OFF 3 | |
41 | #define TOSA_SPK_ON 0 | |
42 | #define TOSA_SPK_OFF 1 | |
43 | ||
44 | static int tosa_jack_func; | |
45 | static int tosa_spk_func; | |
46 | ||
47 | static void tosa_ext_control(struct snd_soc_codec *codec) | |
48 | { | |
ce6120cc LG |
49 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
50 | ||
26e24ddc CK |
51 | snd_soc_dapm_mutex_lock(dapm); |
52 | ||
1b49cb98 LG |
53 | /* set up jack connection */ |
54 | switch (tosa_jack_func) { | |
55 | case TOSA_HP: | |
26e24ddc CK |
56 | snd_soc_dapm_disable_pin_unlocked(dapm, "Mic (Internal)"); |
57 | snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack"); | |
58 | snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack"); | |
1b49cb98 LG |
59 | break; |
60 | case TOSA_MIC_INT: | |
26e24ddc CK |
61 | snd_soc_dapm_enable_pin_unlocked(dapm, "Mic (Internal)"); |
62 | snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack"); | |
63 | snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack"); | |
1b49cb98 LG |
64 | break; |
65 | case TOSA_HEADSET: | |
26e24ddc CK |
66 | snd_soc_dapm_disable_pin_unlocked(dapm, "Mic (Internal)"); |
67 | snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack"); | |
68 | snd_soc_dapm_enable_pin_unlocked(dapm, "Headset Jack"); | |
1b49cb98 LG |
69 | break; |
70 | } | |
71 | ||
72 | if (tosa_spk_func == TOSA_SPK_ON) | |
26e24ddc | 73 | snd_soc_dapm_enable_pin_unlocked(dapm, "Speaker"); |
a5302181 | 74 | else |
26e24ddc CK |
75 | snd_soc_dapm_disable_pin_unlocked(dapm, "Speaker"); |
76 | ||
77 | snd_soc_dapm_sync_unlocked(dapm); | |
1b49cb98 | 78 | |
26e24ddc | 79 | snd_soc_dapm_mutex_unlock(dapm); |
1b49cb98 LG |
80 | } |
81 | ||
82 | static int tosa_startup(struct snd_pcm_substream *substream) | |
83 | { | |
84 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
cb990622 | 85 | struct snd_soc_codec *codec = rtd->codec; |
1b49cb98 | 86 | |
71a29560 MB |
87 | mutex_lock(&codec->mutex); |
88 | ||
1b49cb98 LG |
89 | /* check the jack status at stream startup */ |
90 | tosa_ext_control(codec); | |
71a29560 MB |
91 | |
92 | mutex_unlock(&codec->mutex); | |
93 | ||
1b49cb98 LG |
94 | return 0; |
95 | } | |
96 | ||
97 | static struct snd_soc_ops tosa_ops = { | |
98 | .startup = tosa_startup, | |
99 | }; | |
100 | ||
101 | static int tosa_get_jack(struct snd_kcontrol *kcontrol, | |
102 | struct snd_ctl_elem_value *ucontrol) | |
103 | { | |
104 | ucontrol->value.integer.value[0] = tosa_jack_func; | |
105 | return 0; | |
106 | } | |
107 | ||
108 | static int tosa_set_jack(struct snd_kcontrol *kcontrol, | |
109 | struct snd_ctl_elem_value *ucontrol) | |
110 | { | |
111 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
112 | ||
113 | if (tosa_jack_func == ucontrol->value.integer.value[0]) | |
114 | return 0; | |
115 | ||
116 | tosa_jack_func = ucontrol->value.integer.value[0]; | |
117 | tosa_ext_control(codec); | |
118 | return 1; | |
119 | } | |
120 | ||
121 | static int tosa_get_spk(struct snd_kcontrol *kcontrol, | |
122 | struct snd_ctl_elem_value *ucontrol) | |
123 | { | |
124 | ucontrol->value.integer.value[0] = tosa_spk_func; | |
125 | return 0; | |
126 | } | |
127 | ||
128 | static int tosa_set_spk(struct snd_kcontrol *kcontrol, | |
129 | struct snd_ctl_elem_value *ucontrol) | |
130 | { | |
131 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
132 | ||
133 | if (tosa_spk_func == ucontrol->value.integer.value[0]) | |
134 | return 0; | |
135 | ||
136 | tosa_spk_func = ucontrol->value.integer.value[0]; | |
137 | tosa_ext_control(codec); | |
138 | return 1; | |
139 | } | |
140 | ||
141 | /* tosa dapm event handlers */ | |
338c7ed0 JN |
142 | static int tosa_hp_event(struct snd_soc_dapm_widget *w, |
143 | struct snd_kcontrol *k, int event) | |
1b49cb98 | 144 | { |
4440cbd6 | 145 | gpio_set_value(TOSA_GPIO_L_MUTE, SND_SOC_DAPM_EVENT_ON(event) ? 1 :0); |
1b49cb98 LG |
146 | return 0; |
147 | } | |
148 | ||
149 | /* tosa machine dapm widgets */ | |
150 | static const struct snd_soc_dapm_widget tosa_dapm_widgets[] = { | |
151 | SND_SOC_DAPM_HP("Headphone Jack", tosa_hp_event), | |
152 | SND_SOC_DAPM_HP("Headset Jack", NULL), | |
153 | SND_SOC_DAPM_MIC("Mic (Internal)", NULL), | |
154 | SND_SOC_DAPM_SPK("Speaker", NULL), | |
155 | }; | |
156 | ||
157 | /* tosa audio map */ | |
76d39d0a | 158 | static const struct snd_soc_dapm_route audio_map[] = { |
1b49cb98 LG |
159 | |
160 | /* headphone connected to HPOUTL, HPOUTR */ | |
161 | {"Headphone Jack", NULL, "HPOUTL"}, | |
162 | {"Headphone Jack", NULL, "HPOUTR"}, | |
163 | ||
164 | /* ext speaker connected to LOUT2, ROUT2 */ | |
165 | {"Speaker", NULL, "LOUT2"}, | |
166 | {"Speaker", NULL, "ROUT2"}, | |
167 | ||
168 | /* internal mic is connected to mic1, mic2 differential - with bias */ | |
169 | {"MIC1", NULL, "Mic Bias"}, | |
170 | {"MIC2", NULL, "Mic Bias"}, | |
171 | {"Mic Bias", NULL, "Mic (Internal)"}, | |
172 | ||
173 | /* headset is connected to HPOUTR, and LINEINR with bias */ | |
174 | {"Headset Jack", NULL, "HPOUTR"}, | |
175 | {"LINEINR", NULL, "Mic Bias"}, | |
176 | {"Mic Bias", NULL, "Headset Jack"}, | |
1b49cb98 LG |
177 | }; |
178 | ||
179 | static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset", | |
180 | "Off"}; | |
181 | static const char *spk_function[] = {"On", "Off"}; | |
182 | static const struct soc_enum tosa_enum[] = { | |
183 | SOC_ENUM_SINGLE_EXT(5, jack_function), | |
184 | SOC_ENUM_SINGLE_EXT(2, spk_function), | |
185 | }; | |
186 | ||
187 | static const struct snd_kcontrol_new tosa_controls[] = { | |
188 | SOC_ENUM_EXT("Jack Function", tosa_enum[0], tosa_get_jack, | |
189 | tosa_set_jack), | |
190 | SOC_ENUM_EXT("Speaker Function", tosa_enum[1], tosa_get_spk, | |
191 | tosa_set_spk), | |
192 | }; | |
193 | ||
f0fba2ad | 194 | static int tosa_ac97_init(struct snd_soc_pcm_runtime *rtd) |
1b49cb98 | 195 | { |
f0fba2ad | 196 | struct snd_soc_codec *codec = rtd->codec; |
ce6120cc | 197 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
eb5f6d75 | 198 | int err; |
1b49cb98 | 199 | |
ce6120cc LG |
200 | snd_soc_dapm_nc_pin(dapm, "OUT3"); |
201 | snd_soc_dapm_nc_pin(dapm, "MONOOUT"); | |
1b49cb98 LG |
202 | |
203 | /* add tosa specific controls */ | |
022658be | 204 | err = snd_soc_add_codec_controls(codec, tosa_controls, |
eb5f6d75 PZ |
205 | ARRAY_SIZE(tosa_controls)); |
206 | if (err < 0) | |
207 | return err; | |
1b49cb98 LG |
208 | |
209 | /* add tosa specific widgets */ | |
ce6120cc | 210 | snd_soc_dapm_new_controls(dapm, tosa_dapm_widgets, |
25191c45 | 211 | ARRAY_SIZE(tosa_dapm_widgets)); |
1b49cb98 LG |
212 | |
213 | /* set up tosa specific audio path audio_map */ | |
ce6120cc | 214 | snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); |
1b49cb98 | 215 | |
1b49cb98 LG |
216 | return 0; |
217 | } | |
218 | ||
219 | static struct snd_soc_dai_link tosa_dai[] = { | |
220 | { | |
221 | .name = "AC97", | |
222 | .stream_name = "AC97 HiFi", | |
4bfc4e25 | 223 | .cpu_dai_name = "pxa2xx-ac97", |
f0fba2ad LG |
224 | .codec_dai_name = "wm9712-hifi", |
225 | .platform_name = "pxa-pcm-audio", | |
226 | .codec_name = "wm9712-codec", | |
1b49cb98 | 227 | .init = tosa_ac97_init, |
cb4c048b | 228 | .ops = &tosa_ops, |
1b49cb98 LG |
229 | }, |
230 | { | |
231 | .name = "AC97 Aux", | |
232 | .stream_name = "AC97 Aux", | |
4bfc4e25 | 233 | .cpu_dai_name = "pxa2xx-ac97-aux", |
f0fba2ad LG |
234 | .codec_dai_name = "wm9712-aux", |
235 | .platform_name = "pxa-pcm-audio", | |
236 | .codec_name = "wm9712-codec", | |
cb4c048b | 237 | .ops = &tosa_ops, |
1b49cb98 LG |
238 | }, |
239 | }; | |
240 | ||
87506549 | 241 | static struct snd_soc_card tosa = { |
1b49cb98 | 242 | .name = "Tosa", |
561c6a17 | 243 | .owner = THIS_MODULE, |
1b49cb98 LG |
244 | .dai_link = tosa_dai, |
245 | .num_links = ARRAY_SIZE(tosa_dai), | |
1b49cb98 LG |
246 | }; |
247 | ||
570f6fe1 | 248 | static int tosa_probe(struct platform_device *pdev) |
1b49cb98 | 249 | { |
f285b8c8 | 250 | struct snd_soc_card *card = ⤩ |
1b49cb98 LG |
251 | int ret; |
252 | ||
f285b8c8 AL |
253 | ret = gpio_request_one(TOSA_GPIO_L_MUTE, GPIOF_OUT_INIT_LOW, |
254 | "Headphone Jack"); | |
255 | if (ret) | |
256 | return ret; | |
4440cbd6 | 257 | |
f285b8c8 | 258 | card->dev = &pdev->dev; |
4440cbd6 | 259 | |
f285b8c8 AL |
260 | ret = snd_soc_register_card(card); |
261 | if (ret) { | |
262 | dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", | |
263 | ret); | |
264 | gpio_free(TOSA_GPIO_L_MUTE); | |
265 | } | |
1b49cb98 LG |
266 | return ret; |
267 | } | |
268 | ||
570f6fe1 | 269 | static int tosa_remove(struct platform_device *pdev) |
1b49cb98 | 270 | { |
f285b8c8 AL |
271 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
272 | ||
273 | gpio_free(TOSA_GPIO_L_MUTE); | |
274 | snd_soc_unregister_card(card); | |
275 | return 0; | |
1b49cb98 LG |
276 | } |
277 | ||
f285b8c8 AL |
278 | static struct platform_driver tosa_driver = { |
279 | .driver = { | |
280 | .name = "tosa-audio", | |
281 | .owner = THIS_MODULE, | |
7db1698f | 282 | .pm = &snd_soc_pm_ops, |
f285b8c8 AL |
283 | }, |
284 | .probe = tosa_probe, | |
570f6fe1 | 285 | .remove = tosa_remove, |
f285b8c8 AL |
286 | }; |
287 | ||
288 | module_platform_driver(tosa_driver); | |
1b49cb98 LG |
289 | |
290 | /* Module information */ | |
291 | MODULE_AUTHOR("Richard Purdie"); | |
292 | MODULE_DESCRIPTION("ALSA SoC Tosa"); | |
293 | MODULE_LICENSE("GPL"); | |
f285b8c8 | 294 | MODULE_ALIAS("platform:tosa-audio"); |