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21#include <linux/module.h>
22#include <linux/moduleparam.h>
23#include <linux/device.h>
24#include <linux/gpio.h>
25
26#include <sound/core.h>
27#include <sound/pcm.h>
28#include <sound/soc.h>
29
30#include <asm/mach-types.h>
31#include <mach/tosa.h>
32#include <mach/audio.h>
33
34#include "../codecs/wm9712.h"
35#include "pxa2xx-ac97.h"
36
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
44static int tosa_jack_func;
45static int tosa_spk_func;
46
47static void tosa_ext_control(struct snd_soc_codec *codec)
48{
49 struct snd_soc_dapm_context *dapm = &codec->dapm;
50
51
52 switch (tosa_jack_func) {
53 case TOSA_HP:
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");
57 break;
58 case TOSA_MIC_INT:
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");
62 break;
63 case TOSA_HEADSET:
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");
67 break;
68 }
69
70 if (tosa_spk_func == TOSA_SPK_ON)
71 snd_soc_dapm_enable_pin(dapm, "Speaker");
72 else
73 snd_soc_dapm_disable_pin(dapm, "Speaker");
74
75 snd_soc_dapm_sync(dapm);
76}
77
78static int tosa_startup(struct snd_pcm_substream *substream)
79{
80 struct snd_soc_pcm_runtime *rtd = substream->private_data;
81 struct snd_soc_codec *codec = rtd->codec;
82
83 mutex_lock(&codec->mutex);
84
85
86 tosa_ext_control(codec);
87
88 mutex_unlock(&codec->mutex);
89
90 return 0;
91}
92
93static struct snd_soc_ops tosa_ops = {
94 .startup = tosa_startup,
95};
96
97static 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
104static 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
117static 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
124static 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
138static int tosa_hp_event(struct snd_soc_dapm_widget *w,
139 struct snd_kcontrol *k, int event)
140{
141 gpio_set_value(TOSA_GPIO_L_MUTE, SND_SOC_DAPM_EVENT_ON(event) ? 1 :0);
142 return 0;
143}
144
145
146static const struct snd_soc_dapm_widget tosa_dapm_widgets[] = {
147SND_SOC_DAPM_HP("Headphone Jack", tosa_hp_event),
148SND_SOC_DAPM_HP("Headset Jack", NULL),
149SND_SOC_DAPM_MIC("Mic (Internal)", NULL),
150SND_SOC_DAPM_SPK("Speaker", NULL),
151};
152
153
154static const struct snd_soc_dapm_route audio_map[] = {
155
156
157 {"Headphone Jack", NULL, "HPOUTL"},
158 {"Headphone Jack", NULL, "HPOUTR"},
159
160
161 {"Speaker", NULL, "LOUT2"},
162 {"Speaker", NULL, "ROUT2"},
163
164
165 {"MIC1", NULL, "Mic Bias"},
166 {"MIC2", NULL, "Mic Bias"},
167 {"Mic Bias", NULL, "Mic (Internal)"},
168
169
170 {"Headset Jack", NULL, "HPOUTR"},
171 {"LINEINR", NULL, "Mic Bias"},
172 {"Mic Bias", NULL, "Headset Jack"},
173};
174
175static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
176 "Off"};
177static const char *spk_function[] = {"On", "Off"};
178static const struct soc_enum tosa_enum[] = {
179 SOC_ENUM_SINGLE_EXT(5, jack_function),
180 SOC_ENUM_SINGLE_EXT(2, spk_function),
181};
182
183static 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
190static int tosa_ac97_init(struct snd_soc_pcm_runtime *rtd)
191{
192 struct snd_soc_codec *codec = rtd->codec;
193 struct snd_soc_dapm_context *dapm = &codec->dapm;
194 int err;
195
196 snd_soc_dapm_nc_pin(dapm, "OUT3");
197 snd_soc_dapm_nc_pin(dapm, "MONOOUT");
198
199
200 err = snd_soc_add_codec_controls(codec, tosa_controls,
201 ARRAY_SIZE(tosa_controls));
202 if (err < 0)
203 return err;
204
205
206 snd_soc_dapm_new_controls(dapm, tosa_dapm_widgets,
207 ARRAY_SIZE(tosa_dapm_widgets));
208
209
210 snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
211
212 return 0;
213}
214
215static struct snd_soc_dai_link tosa_dai[] = {
216{
217 .name = "AC97",
218 .stream_name = "AC97 HiFi",
219 .cpu_dai_name = "pxa2xx-ac97",
220 .codec_dai_name = "wm9712-hifi",
221 .platform_name = "pxa-pcm-audio",
222 .codec_name = "wm9712-codec",
223 .init = tosa_ac97_init,
224 .ops = &tosa_ops,
225},
226{
227 .name = "AC97 Aux",
228 .stream_name = "AC97 Aux",
229 .cpu_dai_name = "pxa2xx-ac97-aux",
230 .codec_dai_name = "wm9712-aux",
231 .platform_name = "pxa-pcm-audio",
232 .codec_name = "wm9712-codec",
233 .ops = &tosa_ops,
234},
235};
236
237static struct snd_soc_card tosa = {
238 .name = "Tosa",
239 .owner = THIS_MODULE,
240 .dai_link = tosa_dai,
241 .num_links = ARRAY_SIZE(tosa_dai),
242};
243
244static int tosa_probe(struct platform_device *pdev)
245{
246 struct snd_soc_card *card = ⤩
247 int ret;
248
249 ret = gpio_request_one(TOSA_GPIO_L_MUTE, GPIOF_OUT_INIT_LOW,
250 "Headphone Jack");
251 if (ret)
252 return ret;
253
254 card->dev = &pdev->dev;
255
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 }
262 return ret;
263}
264
265static int tosa_remove(struct platform_device *pdev)
266{
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;
272}
273
274static struct platform_driver tosa_driver = {
275 .driver = {
276 .name = "tosa-audio",
277 .owner = THIS_MODULE,
278 },
279 .probe = tosa_probe,
280 .remove = tosa_remove,
281};
282
283module_platform_driver(tosa_driver);
284
285
286MODULE_AUTHOR("Richard Purdie");
287MODULE_DESCRIPTION("ALSA SoC Tosa");
288MODULE_LICENSE("GPL");
289MODULE_ALIAS("platform:tosa-audio");
290
