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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#include <sound/soc-dapm.h>
30
31#include <asm/mach-types.h>
32#include <mach/tosa.h>
33#include <mach/audio.h>
34
35#include "../codecs/wm9712.h"
36#include "pxa2xx-pcm.h"
37#include "pxa2xx-ac97.h"
38
39static struct snd_soc_card tosa;
40
41#define TOSA_HP 0
42#define TOSA_MIC_INT 1
43#define TOSA_HEADSET 2
44#define TOSA_HP_OFF 3
45#define TOSA_SPK_ON 0
46#define TOSA_SPK_OFF 1
47
48static int tosa_jack_func;
49static int tosa_spk_func;
50
51static void tosa_ext_control(struct snd_soc_codec *codec)
52{
53
54 switch (tosa_jack_func) {
55 case TOSA_HP:
56 snd_soc_dapm_disable_pin(codec, "Mic (Internal)");
57 snd_soc_dapm_enable_pin(codec, "Headphone Jack");
58 snd_soc_dapm_disable_pin(codec, "Headset Jack");
59 break;
60 case TOSA_MIC_INT:
61 snd_soc_dapm_enable_pin(codec, "Mic (Internal)");
62 snd_soc_dapm_disable_pin(codec, "Headphone Jack");
63 snd_soc_dapm_disable_pin(codec, "Headset Jack");
64 break;
65 case TOSA_HEADSET:
66 snd_soc_dapm_disable_pin(codec, "Mic (Internal)");
67 snd_soc_dapm_disable_pin(codec, "Headphone Jack");
68 snd_soc_dapm_enable_pin(codec, "Headset Jack");
69 break;
70 }
71
72 if (tosa_spk_func == TOSA_SPK_ON)
73 snd_soc_dapm_enable_pin(codec, "Speaker");
74 else
75 snd_soc_dapm_disable_pin(codec, "Speaker");
76
77 snd_soc_dapm_sync(codec);
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->socdev->card->codec;
84
85
86 tosa_ext_control(codec);
87 return 0;
88}
89
90static struct snd_soc_ops tosa_ops = {
91 .startup = tosa_startup,
92};
93
94static int tosa_get_jack(struct snd_kcontrol *kcontrol,
95 struct snd_ctl_elem_value *ucontrol)
96{
97 ucontrol->value.integer.value[0] = tosa_jack_func;
98 return 0;
99}
100
101static int tosa_set_jack(struct snd_kcontrol *kcontrol,
102 struct snd_ctl_elem_value *ucontrol)
103{
104 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
105
106 if (tosa_jack_func == ucontrol->value.integer.value[0])
107 return 0;
108
109 tosa_jack_func = ucontrol->value.integer.value[0];
110 tosa_ext_control(codec);
111 return 1;
112}
113
114static int tosa_get_spk(struct snd_kcontrol *kcontrol,
115 struct snd_ctl_elem_value *ucontrol)
116{
117 ucontrol->value.integer.value[0] = tosa_spk_func;
118 return 0;
119}
120
121static int tosa_set_spk(struct snd_kcontrol *kcontrol,
122 struct snd_ctl_elem_value *ucontrol)
123{
124 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
125
126 if (tosa_spk_func == ucontrol->value.integer.value[0])
127 return 0;
128
129 tosa_spk_func = ucontrol->value.integer.value[0];
130 tosa_ext_control(codec);
131 return 1;
132}
133
134
135static int tosa_hp_event(struct snd_soc_dapm_widget *w,
136 struct snd_kcontrol *k, int event)
137{
138 gpio_set_value(TOSA_GPIO_L_MUTE, SND_SOC_DAPM_EVENT_ON(event) ? 1 :0);
139 return 0;
140}
141
142
143static const struct snd_soc_dapm_widget tosa_dapm_widgets[] = {
144SND_SOC_DAPM_HP("Headphone Jack", tosa_hp_event),
145SND_SOC_DAPM_HP("Headset Jack", NULL),
146SND_SOC_DAPM_MIC("Mic (Internal)", NULL),
147SND_SOC_DAPM_SPK("Speaker", NULL),
148};
149
150
151static const struct snd_soc_dapm_route audio_map[] = {
152
153
154 {"Headphone Jack", NULL, "HPOUTL"},
155 {"Headphone Jack", NULL, "HPOUTR"},
156
157
158 {"Speaker", NULL, "LOUT2"},
159 {"Speaker", NULL, "ROUT2"},
160
161
162 {"MIC1", NULL, "Mic Bias"},
163 {"MIC2", NULL, "Mic Bias"},
164 {"Mic Bias", NULL, "Mic (Internal)"},
165
166
167 {"Headset Jack", NULL, "HPOUTR"},
168 {"LINEINR", NULL, "Mic Bias"},
169 {"Mic Bias", NULL, "Headset Jack"},
170};
171
172static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
173 "Off"};
174static const char *spk_function[] = {"On", "Off"};
175static const struct soc_enum tosa_enum[] = {
176 SOC_ENUM_SINGLE_EXT(5, jack_function),
177 SOC_ENUM_SINGLE_EXT(2, spk_function),
178};
179
180static const struct snd_kcontrol_new tosa_controls[] = {
181 SOC_ENUM_EXT("Jack Function", tosa_enum[0], tosa_get_jack,
182 tosa_set_jack),
183 SOC_ENUM_EXT("Speaker Function", tosa_enum[1], tosa_get_spk,
184 tosa_set_spk),
185};
186
187static int tosa_ac97_init(struct snd_soc_codec *codec)
188{
189 int err;
190
191 snd_soc_dapm_nc_pin(codec, "OUT3");
192 snd_soc_dapm_nc_pin(codec, "MONOOUT");
193
194
195 err = snd_soc_add_controls(codec, tosa_controls,
196 ARRAY_SIZE(tosa_controls));
197 if (err < 0)
198 return err;
199
200
201 snd_soc_dapm_new_controls(codec, tosa_dapm_widgets,
202 ARRAY_SIZE(tosa_dapm_widgets));
203
204
205 snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
206
207 snd_soc_dapm_sync(codec);
208 return 0;
209}
210
211static struct snd_soc_dai_link tosa_dai[] = {
212{
213 .name = "AC97",
214 .stream_name = "AC97 HiFi",
215 .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_HIFI],
216 .codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI],
217 .init = tosa_ac97_init,
218 .ops = &tosa_ops,
219},
220{
221 .name = "AC97 Aux",
222 .stream_name = "AC97 Aux",
223 .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX],
224 .codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX],
225 .ops = &tosa_ops,
226},
227};
228
229static int tosa_probe(struct platform_device *dev)
230{
231 int ret;
232
233 ret = gpio_request(TOSA_GPIO_L_MUTE, "Headphone Jack");
234 if (ret)
235 return ret;
236 ret = gpio_direction_output(TOSA_GPIO_L_MUTE, 0);
237 if (ret)
238 gpio_free(TOSA_GPIO_L_MUTE);
239
240 return ret;
241}
242
243static int tosa_remove(struct platform_device *dev)
244{
245 gpio_free(TOSA_GPIO_L_MUTE);
246 return 0;
247}
248
249static struct snd_soc_card tosa = {
250 .name = "Tosa",
251 .platform = &pxa2xx_soc_platform,
252 .dai_link = tosa_dai,
253 .num_links = ARRAY_SIZE(tosa_dai),
254 .probe = tosa_probe,
255 .remove = tosa_remove,
256};
257
258static struct snd_soc_device tosa_snd_devdata = {
259 .card = &tosa,
260 .codec_dev = &soc_codec_dev_wm9712,
261};
262
263static struct platform_device *tosa_snd_device;
264
265static int __init tosa_init(void)
266{
267 int ret;
268
269 if (!machine_is_tosa())
270 return -ENODEV;
271
272 tosa_snd_device = platform_device_alloc("soc-audio", -1);
273 if (!tosa_snd_device) {
274 ret = -ENOMEM;
275 goto err_alloc;
276 }
277
278 platform_set_drvdata(tosa_snd_device, &tosa_snd_devdata);
279 tosa_snd_devdata.dev = &tosa_snd_device->dev;
280 ret = platform_device_add(tosa_snd_device);
281
282 if (!ret)
283 return 0;
284
285 platform_device_put(tosa_snd_device);
286
287err_alloc:
288 return ret;
289}
290
291static void __exit tosa_exit(void)
292{
293 platform_device_unregister(tosa_snd_device);
294}
295
296module_init(tosa_init);
297module_exit(tosa_exit);
298
299
300MODULE_AUTHOR("Richard Purdie");
301MODULE_DESCRIPTION("ALSA SoC Tosa");
302MODULE_LICENSE("GPL");
303
