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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 | ||
1b49cb98 LG |
51 | /* set up jack connection */ |
52 | switch (tosa_jack_func) { | |
53 | case TOSA_HP: | |
ce6120cc LG |
54 | snd_soc_dapm_disable_pin(dapm, "Mic (Internal)"); |
55 | snd_soc_dapm_enable_pin(dapm, "Headphone Jack"); | |
56 | snd_soc_dapm_disable_pin(dapm, "Headset Jack"); | |
1b49cb98 LG |
57 | break; |
58 | case TOSA_MIC_INT: | |
ce6120cc LG |
59 | snd_soc_dapm_enable_pin(dapm, "Mic (Internal)"); |
60 | snd_soc_dapm_disable_pin(dapm, "Headphone Jack"); | |
61 | snd_soc_dapm_disable_pin(dapm, "Headset Jack"); | |
1b49cb98 LG |
62 | break; |
63 | case TOSA_HEADSET: | |
ce6120cc LG |
64 | snd_soc_dapm_disable_pin(dapm, "Mic (Internal)"); |
65 | snd_soc_dapm_disable_pin(dapm, "Headphone Jack"); | |
66 | snd_soc_dapm_enable_pin(dapm, "Headset Jack"); | |
1b49cb98 LG |
67 | break; |
68 | } | |
69 | ||
70 | if (tosa_spk_func == TOSA_SPK_ON) | |
ce6120cc | 71 | snd_soc_dapm_enable_pin(dapm, "Speaker"); |
a5302181 | 72 | else |
ce6120cc | 73 | snd_soc_dapm_disable_pin(dapm, "Speaker"); |
1b49cb98 | 74 | |
ce6120cc | 75 | snd_soc_dapm_sync(dapm); |
1b49cb98 LG |
76 | } |
77 | ||
78 | static int tosa_startup(struct snd_pcm_substream *substream) | |
79 | { | |
80 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
cb990622 | 81 | struct snd_soc_codec *codec = rtd->codec; |
1b49cb98 | 82 | |
71a29560 MB |
83 | mutex_lock(&codec->mutex); |
84 | ||
1b49cb98 LG |
85 | /* check the jack status at stream startup */ |
86 | tosa_ext_control(codec); | |
71a29560 MB |
87 | |
88 | mutex_unlock(&codec->mutex); | |
89 | ||
1b49cb98 LG |
90 | return 0; |
91 | } | |
92 | ||
93 | static struct snd_soc_ops tosa_ops = { | |
94 | .startup = tosa_startup, | |
95 | }; | |
96 | ||
97 | static int tosa_get_jack(struct snd_kcontrol *kcontrol, | |
98 | struct snd_ctl_elem_value *ucontrol) | |
99 | { | |
100 | ucontrol->value.integer.value[0] = tosa_jack_func; | |
101 | return 0; | |
102 | } | |
103 | ||
104 | static int tosa_set_jack(struct snd_kcontrol *kcontrol, | |
105 | struct snd_ctl_elem_value *ucontrol) | |
106 | { | |
107 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
108 | ||
109 | if (tosa_jack_func == ucontrol->value.integer.value[0]) | |
110 | return 0; | |
111 | ||
112 | tosa_jack_func = ucontrol->value.integer.value[0]; | |
113 | tosa_ext_control(codec); | |
114 | return 1; | |
115 | } | |
116 | ||
117 | static int tosa_get_spk(struct snd_kcontrol *kcontrol, | |
118 | struct snd_ctl_elem_value *ucontrol) | |
119 | { | |
120 | ucontrol->value.integer.value[0] = tosa_spk_func; | |
121 | return 0; | |
122 | } | |
123 | ||
124 | static int tosa_set_spk(struct snd_kcontrol *kcontrol, | |
125 | struct snd_ctl_elem_value *ucontrol) | |
126 | { | |
127 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
128 | ||
129 | if (tosa_spk_func == ucontrol->value.integer.value[0]) | |
130 | return 0; | |
131 | ||
132 | tosa_spk_func = ucontrol->value.integer.value[0]; | |
133 | tosa_ext_control(codec); | |
134 | return 1; | |
135 | } | |
136 | ||
137 | /* tosa dapm event handlers */ | |
338c7ed0 JN |
138 | static int tosa_hp_event(struct snd_soc_dapm_widget *w, |
139 | struct snd_kcontrol *k, int event) | |
1b49cb98 | 140 | { |
4440cbd6 | 141 | gpio_set_value(TOSA_GPIO_L_MUTE, SND_SOC_DAPM_EVENT_ON(event) ? 1 :0); |
1b49cb98 LG |
142 | return 0; |
143 | } | |
144 | ||
145 | /* tosa machine dapm widgets */ | |
146 | static const struct snd_soc_dapm_widget tosa_dapm_widgets[] = { | |
147 | SND_SOC_DAPM_HP("Headphone Jack", tosa_hp_event), | |
148 | SND_SOC_DAPM_HP("Headset Jack", NULL), | |
149 | SND_SOC_DAPM_MIC("Mic (Internal)", NULL), | |
150 | SND_SOC_DAPM_SPK("Speaker", NULL), | |
151 | }; | |
152 | ||
153 | /* tosa audio map */ | |
76d39d0a | 154 | static const struct snd_soc_dapm_route audio_map[] = { |
1b49cb98 LG |
155 | |
156 | /* headphone connected to HPOUTL, HPOUTR */ | |
157 | {"Headphone Jack", NULL, "HPOUTL"}, | |
158 | {"Headphone Jack", NULL, "HPOUTR"}, | |
159 | ||
160 | /* ext speaker connected to LOUT2, ROUT2 */ | |
161 | {"Speaker", NULL, "LOUT2"}, | |
162 | {"Speaker", NULL, "ROUT2"}, | |
163 | ||
164 | /* internal mic is connected to mic1, mic2 differential - with bias */ | |
165 | {"MIC1", NULL, "Mic Bias"}, | |
166 | {"MIC2", NULL, "Mic Bias"}, | |
167 | {"Mic Bias", NULL, "Mic (Internal)"}, | |
168 | ||
169 | /* headset is connected to HPOUTR, and LINEINR with bias */ | |
170 | {"Headset Jack", NULL, "HPOUTR"}, | |
171 | {"LINEINR", NULL, "Mic Bias"}, | |
172 | {"Mic Bias", NULL, "Headset Jack"}, | |
1b49cb98 LG |
173 | }; |
174 | ||
175 | static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset", | |
176 | "Off"}; | |
177 | static const char *spk_function[] = {"On", "Off"}; | |
178 | static const struct soc_enum tosa_enum[] = { | |
179 | SOC_ENUM_SINGLE_EXT(5, jack_function), | |
180 | SOC_ENUM_SINGLE_EXT(2, spk_function), | |
181 | }; | |
182 | ||
183 | static const struct snd_kcontrol_new tosa_controls[] = { | |
184 | SOC_ENUM_EXT("Jack Function", tosa_enum[0], tosa_get_jack, | |
185 | tosa_set_jack), | |
186 | SOC_ENUM_EXT("Speaker Function", tosa_enum[1], tosa_get_spk, | |
187 | tosa_set_spk), | |
188 | }; | |
189 | ||
f0fba2ad | 190 | static int tosa_ac97_init(struct snd_soc_pcm_runtime *rtd) |
1b49cb98 | 191 | { |
f0fba2ad | 192 | struct snd_soc_codec *codec = rtd->codec; |
ce6120cc | 193 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
eb5f6d75 | 194 | int err; |
1b49cb98 | 195 | |
ce6120cc LG |
196 | snd_soc_dapm_nc_pin(dapm, "OUT3"); |
197 | snd_soc_dapm_nc_pin(dapm, "MONOOUT"); | |
1b49cb98 LG |
198 | |
199 | /* add tosa specific controls */ | |
022658be | 200 | err = snd_soc_add_codec_controls(codec, tosa_controls, |
eb5f6d75 PZ |
201 | ARRAY_SIZE(tosa_controls)); |
202 | if (err < 0) | |
203 | return err; | |
1b49cb98 LG |
204 | |
205 | /* add tosa specific widgets */ | |
ce6120cc | 206 | snd_soc_dapm_new_controls(dapm, tosa_dapm_widgets, |
25191c45 | 207 | ARRAY_SIZE(tosa_dapm_widgets)); |
1b49cb98 LG |
208 | |
209 | /* set up tosa specific audio path audio_map */ | |
ce6120cc | 210 | snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); |
1b49cb98 | 211 | |
1b49cb98 LG |
212 | return 0; |
213 | } | |
214 | ||
215 | static struct snd_soc_dai_link tosa_dai[] = { | |
216 | { | |
217 | .name = "AC97", | |
218 | .stream_name = "AC97 HiFi", | |
4bfc4e25 | 219 | .cpu_dai_name = "pxa2xx-ac97", |
f0fba2ad LG |
220 | .codec_dai_name = "wm9712-hifi", |
221 | .platform_name = "pxa-pcm-audio", | |
222 | .codec_name = "wm9712-codec", | |
1b49cb98 | 223 | .init = tosa_ac97_init, |
cb4c048b | 224 | .ops = &tosa_ops, |
1b49cb98 LG |
225 | }, |
226 | { | |
227 | .name = "AC97 Aux", | |
228 | .stream_name = "AC97 Aux", | |
4bfc4e25 | 229 | .cpu_dai_name = "pxa2xx-ac97-aux", |
f0fba2ad LG |
230 | .codec_dai_name = "wm9712-aux", |
231 | .platform_name = "pxa-pcm-audio", | |
232 | .codec_name = "wm9712-codec", | |
cb4c048b | 233 | .ops = &tosa_ops, |
1b49cb98 LG |
234 | }, |
235 | }; | |
236 | ||
87506549 | 237 | static struct snd_soc_card tosa = { |
1b49cb98 | 238 | .name = "Tosa", |
561c6a17 | 239 | .owner = THIS_MODULE, |
1b49cb98 LG |
240 | .dai_link = tosa_dai, |
241 | .num_links = ARRAY_SIZE(tosa_dai), | |
1b49cb98 LG |
242 | }; |
243 | ||
570f6fe1 | 244 | static int tosa_probe(struct platform_device *pdev) |
1b49cb98 | 245 | { |
f285b8c8 | 246 | struct snd_soc_card *card = ⤩ |
1b49cb98 LG |
247 | int ret; |
248 | ||
f285b8c8 AL |
249 | ret = gpio_request_one(TOSA_GPIO_L_MUTE, GPIOF_OUT_INIT_LOW, |
250 | "Headphone Jack"); | |
251 | if (ret) | |
252 | return ret; | |
4440cbd6 | 253 | |
f285b8c8 | 254 | card->dev = &pdev->dev; |
4440cbd6 | 255 | |
f285b8c8 AL |
256 | ret = snd_soc_register_card(card); |
257 | if (ret) { | |
258 | dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", | |
259 | ret); | |
260 | gpio_free(TOSA_GPIO_L_MUTE); | |
261 | } | |
1b49cb98 LG |
262 | return ret; |
263 | } | |
264 | ||
570f6fe1 | 265 | static int tosa_remove(struct platform_device *pdev) |
1b49cb98 | 266 | { |
f285b8c8 AL |
267 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
268 | ||
269 | gpio_free(TOSA_GPIO_L_MUTE); | |
270 | snd_soc_unregister_card(card); | |
271 | return 0; | |
1b49cb98 LG |
272 | } |
273 | ||
f285b8c8 AL |
274 | static struct platform_driver tosa_driver = { |
275 | .driver = { | |
276 | .name = "tosa-audio", | |
277 | .owner = THIS_MODULE, | |
7db1698f | 278 | .pm = &snd_soc_pm_ops, |
f285b8c8 AL |
279 | }, |
280 | .probe = tosa_probe, | |
570f6fe1 | 281 | .remove = tosa_remove, |
f285b8c8 AL |
282 | }; |
283 | ||
284 | module_platform_driver(tosa_driver); | |
1b49cb98 LG |
285 | |
286 | /* Module information */ | |
287 | MODULE_AUTHOR("Richard Purdie"); | |
288 | MODULE_DESCRIPTION("ALSA SoC Tosa"); | |
289 | MODULE_LICENSE("GPL"); | |
f285b8c8 | 290 | MODULE_ALIAS("platform:tosa-audio"); |