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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 | ||
079942ab | 47 | static void tosa_ext_control(struct snd_soc_dapm_context *dapm) |
1b49cb98 | 48 | { |
ce6120cc | 49 | |
26e24ddc CK |
50 | snd_soc_dapm_mutex_lock(dapm); |
51 | ||
1b49cb98 LG |
52 | /* set up jack connection */ |
53 | switch (tosa_jack_func) { | |
54 | case TOSA_HP: | |
26e24ddc CK |
55 | snd_soc_dapm_disable_pin_unlocked(dapm, "Mic (Internal)"); |
56 | snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack"); | |
57 | snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack"); | |
1b49cb98 LG |
58 | break; |
59 | case TOSA_MIC_INT: | |
26e24ddc CK |
60 | snd_soc_dapm_enable_pin_unlocked(dapm, "Mic (Internal)"); |
61 | snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack"); | |
62 | snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack"); | |
1b49cb98 LG |
63 | break; |
64 | case TOSA_HEADSET: | |
26e24ddc CK |
65 | snd_soc_dapm_disable_pin_unlocked(dapm, "Mic (Internal)"); |
66 | snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack"); | |
67 | snd_soc_dapm_enable_pin_unlocked(dapm, "Headset Jack"); | |
1b49cb98 LG |
68 | break; |
69 | } | |
70 | ||
71 | if (tosa_spk_func == TOSA_SPK_ON) | |
26e24ddc | 72 | snd_soc_dapm_enable_pin_unlocked(dapm, "Speaker"); |
a5302181 | 73 | else |
26e24ddc CK |
74 | snd_soc_dapm_disable_pin_unlocked(dapm, "Speaker"); |
75 | ||
76 | snd_soc_dapm_sync_unlocked(dapm); | |
1b49cb98 | 77 | |
26e24ddc | 78 | snd_soc_dapm_mutex_unlock(dapm); |
1b49cb98 LG |
79 | } |
80 | ||
81 | static int tosa_startup(struct snd_pcm_substream *substream) | |
82 | { | |
83 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
1b49cb98 LG |
84 | |
85 | /* check the jack status at stream startup */ | |
079942ab | 86 | tosa_ext_control(&rtd->card->dapm); |
71a29560 | 87 | |
1b49cb98 LG |
88 | return 0; |
89 | } | |
90 | ||
91 | static struct snd_soc_ops tosa_ops = { | |
92 | .startup = tosa_startup, | |
93 | }; | |
94 | ||
95 | static int tosa_get_jack(struct snd_kcontrol *kcontrol, | |
96 | struct snd_ctl_elem_value *ucontrol) | |
97 | { | |
419396d5 | 98 | ucontrol->value.enumerated.item[0] = tosa_jack_func; |
1b49cb98 LG |
99 | return 0; |
100 | } | |
101 | ||
102 | static int tosa_set_jack(struct snd_kcontrol *kcontrol, | |
103 | struct snd_ctl_elem_value *ucontrol) | |
104 | { | |
079942ab | 105 | struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); |
1b49cb98 | 106 | |
419396d5 | 107 | if (tosa_jack_func == ucontrol->value.enumerated.item[0]) |
1b49cb98 LG |
108 | return 0; |
109 | ||
419396d5 | 110 | tosa_jack_func = ucontrol->value.enumerated.item[0]; |
079942ab | 111 | tosa_ext_control(&card->dapm); |
1b49cb98 LG |
112 | return 1; |
113 | } | |
114 | ||
115 | static int tosa_get_spk(struct snd_kcontrol *kcontrol, | |
116 | struct snd_ctl_elem_value *ucontrol) | |
117 | { | |
419396d5 | 118 | ucontrol->value.enumerated.item[0] = tosa_spk_func; |
1b49cb98 LG |
119 | return 0; |
120 | } | |
121 | ||
122 | static int tosa_set_spk(struct snd_kcontrol *kcontrol, | |
123 | struct snd_ctl_elem_value *ucontrol) | |
124 | { | |
079942ab | 125 | struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); |
1b49cb98 | 126 | |
419396d5 | 127 | if (tosa_spk_func == ucontrol->value.enumerated.item[0]) |
1b49cb98 LG |
128 | return 0; |
129 | ||
419396d5 | 130 | tosa_spk_func = ucontrol->value.enumerated.item[0]; |
079942ab | 131 | tosa_ext_control(&card->dapm); |
1b49cb98 LG |
132 | return 1; |
133 | } | |
134 | ||
135 | /* tosa dapm event handlers */ | |
338c7ed0 JN |
136 | static int tosa_hp_event(struct snd_soc_dapm_widget *w, |
137 | struct snd_kcontrol *k, int event) | |
1b49cb98 | 138 | { |
4440cbd6 | 139 | gpio_set_value(TOSA_GPIO_L_MUTE, SND_SOC_DAPM_EVENT_ON(event) ? 1 :0); |
1b49cb98 LG |
140 | return 0; |
141 | } | |
142 | ||
143 | /* tosa machine dapm widgets */ | |
144 | static const struct snd_soc_dapm_widget tosa_dapm_widgets[] = { | |
145 | SND_SOC_DAPM_HP("Headphone Jack", tosa_hp_event), | |
146 | SND_SOC_DAPM_HP("Headset Jack", NULL), | |
147 | SND_SOC_DAPM_MIC("Mic (Internal)", NULL), | |
148 | SND_SOC_DAPM_SPK("Speaker", NULL), | |
149 | }; | |
150 | ||
151 | /* tosa audio map */ | |
76d39d0a | 152 | static const struct snd_soc_dapm_route audio_map[] = { |
1b49cb98 LG |
153 | |
154 | /* headphone connected to HPOUTL, HPOUTR */ | |
155 | {"Headphone Jack", NULL, "HPOUTL"}, | |
156 | {"Headphone Jack", NULL, "HPOUTR"}, | |
157 | ||
158 | /* ext speaker connected to LOUT2, ROUT2 */ | |
159 | {"Speaker", NULL, "LOUT2"}, | |
160 | {"Speaker", NULL, "ROUT2"}, | |
161 | ||
162 | /* internal mic is connected to mic1, mic2 differential - with bias */ | |
163 | {"MIC1", NULL, "Mic Bias"}, | |
164 | {"MIC2", NULL, "Mic Bias"}, | |
165 | {"Mic Bias", NULL, "Mic (Internal)"}, | |
166 | ||
167 | /* headset is connected to HPOUTR, and LINEINR with bias */ | |
168 | {"Headset Jack", NULL, "HPOUTR"}, | |
169 | {"LINEINR", NULL, "Mic Bias"}, | |
170 | {"Mic Bias", NULL, "Headset Jack"}, | |
1b49cb98 LG |
171 | }; |
172 | ||
173 | static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset", | |
174 | "Off"}; | |
175 | static const char *spk_function[] = {"On", "Off"}; | |
176 | static const struct soc_enum tosa_enum[] = { | |
177 | SOC_ENUM_SINGLE_EXT(5, jack_function), | |
178 | SOC_ENUM_SINGLE_EXT(2, spk_function), | |
179 | }; | |
180 | ||
181 | static const struct snd_kcontrol_new tosa_controls[] = { | |
182 | SOC_ENUM_EXT("Jack Function", tosa_enum[0], tosa_get_jack, | |
183 | tosa_set_jack), | |
184 | SOC_ENUM_EXT("Speaker Function", tosa_enum[1], tosa_get_spk, | |
185 | tosa_set_spk), | |
186 | }; | |
187 | ||
1b49cb98 LG |
188 | static struct snd_soc_dai_link tosa_dai[] = { |
189 | { | |
190 | .name = "AC97", | |
191 | .stream_name = "AC97 HiFi", | |
4bfc4e25 | 192 | .cpu_dai_name = "pxa2xx-ac97", |
f0fba2ad LG |
193 | .codec_dai_name = "wm9712-hifi", |
194 | .platform_name = "pxa-pcm-audio", | |
195 | .codec_name = "wm9712-codec", | |
cb4c048b | 196 | .ops = &tosa_ops, |
1b49cb98 LG |
197 | }, |
198 | { | |
199 | .name = "AC97 Aux", | |
200 | .stream_name = "AC97 Aux", | |
4bfc4e25 | 201 | .cpu_dai_name = "pxa2xx-ac97-aux", |
f0fba2ad LG |
202 | .codec_dai_name = "wm9712-aux", |
203 | .platform_name = "pxa-pcm-audio", | |
204 | .codec_name = "wm9712-codec", | |
cb4c048b | 205 | .ops = &tosa_ops, |
1b49cb98 LG |
206 | }, |
207 | }; | |
208 | ||
87506549 | 209 | static struct snd_soc_card tosa = { |
1b49cb98 | 210 | .name = "Tosa", |
561c6a17 | 211 | .owner = THIS_MODULE, |
1b49cb98 LG |
212 | .dai_link = tosa_dai, |
213 | .num_links = ARRAY_SIZE(tosa_dai), | |
079942ab LPC |
214 | |
215 | .controls = tosa_controls, | |
216 | .num_controls = ARRAY_SIZE(tosa_controls), | |
217 | .dapm_widgets = tosa_dapm_widgets, | |
218 | .num_dapm_widgets = ARRAY_SIZE(tosa_dapm_widgets), | |
219 | .dapm_routes = audio_map, | |
220 | .num_dapm_routes = ARRAY_SIZE(audio_map), | |
c02e723f | 221 | .fully_routed = true, |
1b49cb98 LG |
222 | }; |
223 | ||
570f6fe1 | 224 | static int tosa_probe(struct platform_device *pdev) |
1b49cb98 | 225 | { |
f285b8c8 | 226 | struct snd_soc_card *card = ⤩ |
1b49cb98 LG |
227 | int ret; |
228 | ||
f285b8c8 AL |
229 | ret = gpio_request_one(TOSA_GPIO_L_MUTE, GPIOF_OUT_INIT_LOW, |
230 | "Headphone Jack"); | |
231 | if (ret) | |
232 | return ret; | |
4440cbd6 | 233 | |
f285b8c8 | 234 | card->dev = &pdev->dev; |
4440cbd6 | 235 | |
2fd7076a | 236 | ret = devm_snd_soc_register_card(&pdev->dev, card); |
f285b8c8 AL |
237 | if (ret) { |
238 | dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", | |
239 | ret); | |
240 | gpio_free(TOSA_GPIO_L_MUTE); | |
241 | } | |
1b49cb98 LG |
242 | return ret; |
243 | } | |
244 | ||
570f6fe1 | 245 | static int tosa_remove(struct platform_device *pdev) |
1b49cb98 | 246 | { |
f285b8c8 | 247 | gpio_free(TOSA_GPIO_L_MUTE); |
f285b8c8 | 248 | return 0; |
1b49cb98 LG |
249 | } |
250 | ||
f285b8c8 AL |
251 | static struct platform_driver tosa_driver = { |
252 | .driver = { | |
253 | .name = "tosa-audio", | |
7db1698f | 254 | .pm = &snd_soc_pm_ops, |
f285b8c8 AL |
255 | }, |
256 | .probe = tosa_probe, | |
570f6fe1 | 257 | .remove = tosa_remove, |
f285b8c8 AL |
258 | }; |
259 | ||
260 | module_platform_driver(tosa_driver); | |
1b49cb98 LG |
261 | |
262 | /* Module information */ | |
263 | MODULE_AUTHOR("Richard Purdie"); | |
264 | MODULE_DESCRIPTION("ALSA SoC Tosa"); | |
265 | MODULE_LICENSE("GPL"); | |
f285b8c8 | 266 | MODULE_ALIAS("platform:tosa-audio"); |