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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
37static struct snd_soc_card tosa;
38
39#define TOSA_HP 0
40#define TOSA_MIC_INT 1
41#define TOSA_HEADSET 2
42#define TOSA_HP_OFF 3
43#define TOSA_SPK_ON 0
44#define TOSA_SPK_OFF 1
45
46static int tosa_jack_func;
47static int tosa_spk_func;
48
49static void tosa_ext_control(struct snd_soc_codec *codec)
50{
51 struct snd_soc_dapm_context *dapm = &codec->dapm;
52
53
54 switch (tosa_jack_func) {
55 case TOSA_HP:
56 snd_soc_dapm_disable_pin(dapm, "Mic (Internal)");
57 snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
58 snd_soc_dapm_disable_pin(dapm, "Headset Jack");
59 break;
60 case TOSA_MIC_INT:
61 snd_soc_dapm_enable_pin(dapm, "Mic (Internal)");
62 snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
63 snd_soc_dapm_disable_pin(dapm, "Headset Jack");
64 break;
65 case TOSA_HEADSET:
66 snd_soc_dapm_disable_pin(dapm, "Mic (Internal)");
67 snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
68 snd_soc_dapm_enable_pin(dapm, "Headset Jack");
69 break;
70 }
71
72 if (tosa_spk_func == TOSA_SPK_ON)
73 snd_soc_dapm_enable_pin(dapm, "Speaker");
74 else
75 snd_soc_dapm_disable_pin(dapm, "Speaker");
76
77 snd_soc_dapm_sync(dapm);
78}
79
80static int tosa_startup(struct snd_pcm_substream *substream)
81{
82 struct snd_soc_pcm_runtime *rtd = substream->private_data;
83 struct snd_soc_codec *codec = rtd->codec;
84
85 mutex_lock(&codec->mutex);
86
87
88 tosa_ext_control(codec);
89
90 mutex_unlock(&codec->mutex);
91
92 return 0;
93}
94
95static struct snd_soc_ops tosa_ops = {
96 .startup = tosa_startup,
97};
98
99static int tosa_get_jack(struct snd_kcontrol *kcontrol,
100 struct snd_ctl_elem_value *ucontrol)
101{
102 ucontrol->value.integer.value[0] = tosa_jack_func;
103 return 0;
104}
105
106static int tosa_set_jack(struct snd_kcontrol *kcontrol,
107 struct snd_ctl_elem_value *ucontrol)
108{
109 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
110
111 if (tosa_jack_func == ucontrol->value.integer.value[0])
112 return 0;
113
114 tosa_jack_func = ucontrol->value.integer.value[0];
115 tosa_ext_control(codec);
116 return 1;
117}
118
119static int tosa_get_spk(struct snd_kcontrol *kcontrol,
120 struct snd_ctl_elem_value *ucontrol)
121{
122 ucontrol->value.integer.value[0] = tosa_spk_func;
123 return 0;
124}
125
126static int tosa_set_spk(struct snd_kcontrol *kcontrol,
127 struct snd_ctl_elem_value *ucontrol)
128{
129 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
130
131 if (tosa_spk_func == ucontrol->value.integer.value[0])
132 return 0;
133
134 tosa_spk_func = ucontrol->value.integer.value[0];
135 tosa_ext_control(codec);
136 return 1;
137}
138
139
140static int tosa_hp_event(struct snd_soc_dapm_widget *w,
141 struct snd_kcontrol *k, int event)
142{
143 gpio_set_value(TOSA_GPIO_L_MUTE, SND_SOC_DAPM_EVENT_ON(event) ? 1 :0);
144 return 0;
145}
146
147
148static const struct snd_soc_dapm_widget tosa_dapm_widgets[] = {
149SND_SOC_DAPM_HP("Headphone Jack", tosa_hp_event),
150SND_SOC_DAPM_HP("Headset Jack", NULL),
151SND_SOC_DAPM_MIC("Mic (Internal)", NULL),
152SND_SOC_DAPM_SPK("Speaker", NULL),
153};
154
155
156static const struct snd_soc_dapm_route audio_map[] = {
157
158
159 {"Headphone Jack", NULL, "HPOUTL"},
160 {"Headphone Jack", NULL, "HPOUTR"},
161
162
163 {"Speaker", NULL, "LOUT2"},
164 {"Speaker", NULL, "ROUT2"},
165
166
167 {"MIC1", NULL, "Mic Bias"},
168 {"MIC2", NULL, "Mic Bias"},
169 {"Mic Bias", NULL, "Mic (Internal)"},
170
171
172 {"Headset Jack", NULL, "HPOUTR"},
173 {"LINEINR", NULL, "Mic Bias"},
174 {"Mic Bias", NULL, "Headset Jack"},
175};
176
177static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
178 "Off"};
179static const char *spk_function[] = {"On", "Off"};
180static const struct soc_enum tosa_enum[] = {
181 SOC_ENUM_SINGLE_EXT(5, jack_function),
182 SOC_ENUM_SINGLE_EXT(2, spk_function),
183};
184
185static const struct snd_kcontrol_new tosa_controls[] = {
186 SOC_ENUM_EXT("Jack Function", tosa_enum[0], tosa_get_jack,
187 tosa_set_jack),
188 SOC_ENUM_EXT("Speaker Function", tosa_enum[1], tosa_get_spk,
189 tosa_set_spk),
190};
191
192static int tosa_ac97_init(struct snd_soc_pcm_runtime *rtd)
193{
194 struct snd_soc_codec *codec = rtd->codec;
195 struct snd_soc_dapm_context *dapm = &codec->dapm;
196 int err;
197
198 snd_soc_dapm_nc_pin(dapm, "OUT3");
199 snd_soc_dapm_nc_pin(dapm, "MONOOUT");
200
201
202 err = snd_soc_add_controls(codec, tosa_controls,
203 ARRAY_SIZE(tosa_controls));
204 if (err < 0)
205 return err;
206
207
208 snd_soc_dapm_new_controls(dapm, tosa_dapm_widgets,
209 ARRAY_SIZE(tosa_dapm_widgets));
210
211
212 snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
213
214 snd_soc_dapm_sync(dapm);
215 return 0;
216}
217
218static struct snd_soc_dai_link tosa_dai[] = {
219{
220 .name = "AC97",
221 .stream_name = "AC97 HiFi",
222 .cpu_dai_name = "pxa2xx-ac97",
223 .codec_dai_name = "wm9712-hifi",
224 .platform_name = "pxa-pcm-audio",
225 .codec_name = "wm9712-codec",
226 .init = tosa_ac97_init,
227 .ops = &tosa_ops,
228},
229{
230 .name = "AC97 Aux",
231 .stream_name = "AC97 Aux",
232 .cpu_dai_name = "pxa2xx-ac97-aux",
233 .codec_dai_name = "wm9712-aux",
234 .platform_name = "pxa-pcm-audio",
235 .codec_name = "wm9712-codec",
236 .ops = &tosa_ops,
237},
238};
239
240static int tosa_probe(struct platform_device *dev)
241{
242 int ret;
243
244 ret = gpio_request(TOSA_GPIO_L_MUTE, "Headphone Jack");
245 if (ret)
246 return ret;
247 ret = gpio_direction_output(TOSA_GPIO_L_MUTE, 0);
248 if (ret)
249 gpio_free(TOSA_GPIO_L_MUTE);
250
251 return ret;
252}
253
254static int tosa_remove(struct platform_device *dev)
255{
256 gpio_free(TOSA_GPIO_L_MUTE);
257 return 0;
258}
259
260static struct snd_soc_card tosa = {
261 .name = "Tosa",
262 .dai_link = tosa_dai,
263 .num_links = ARRAY_SIZE(tosa_dai),
264 .probe = tosa_probe,
265 .remove = tosa_remove,
266};
267
268static struct platform_device *tosa_snd_device;
269
270static int __init tosa_init(void)
271{
272 int ret;
273
274 if (!machine_is_tosa())
275 return -ENODEV;
276
277 tosa_snd_device = platform_device_alloc("soc-audio", -1);
278 if (!tosa_snd_device) {
279 ret = -ENOMEM;
280 goto err_alloc;
281 }
282
283 platform_set_drvdata(tosa_snd_device, &tosa);
284 ret = platform_device_add(tosa_snd_device);
285
286 if (!ret)
287 return 0;
288
289 platform_device_put(tosa_snd_device);
290
291err_alloc:
292 return ret;
293}
294
295static void __exit tosa_exit(void)
296{
297 platform_device_unregister(tosa_snd_device);
298}
299
300module_init(tosa_init);
301module_exit(tosa_exit);
302
303
304MODULE_AUTHOR("Richard Purdie");
305MODULE_DESCRIPTION("ALSA SoC Tosa");
306MODULE_LICENSE("GPL");
307
