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26#include <linux/delay.h>
27#include <linux/gpio.h>
28#include <linux/platform_device.h>
29#include <sound/core.h>
30#include <sound/jack.h>
31#include <sound/pcm.h>
32#include <sound/soc.h>
33#include <plat/mcbsp.h>
34
35#include <asm/mach-types.h>
36
37#include "omap-mcbsp.h"
38#include "omap-pcm.h"
39
40#define RX51_TVOUT_SEL_GPIO 40
41#define RX51_JACK_DETECT_GPIO 177
42
43
44
45
46#define RX51_SPEAKER_AMP_TWL_GPIO (192 + 7)
47
48enum {
49 RX51_JACK_DISABLED,
50 RX51_JACK_TVOUT,
51};
52
53static int rx51_spk_func;
54static int rx51_dmic_func;
55static int rx51_jack_func;
56
57static void rx51_ext_control(struct snd_soc_codec *codec)
58{
59 struct snd_soc_dapm_context *dapm = &codec->dapm;
60
61 if (rx51_spk_func)
62 snd_soc_dapm_enable_pin(dapm, "Ext Spk");
63 else
64 snd_soc_dapm_disable_pin(dapm, "Ext Spk");
65 if (rx51_dmic_func)
66 snd_soc_dapm_enable_pin(dapm, "DMic");
67 else
68 snd_soc_dapm_disable_pin(dapm, "DMic");
69
70 gpio_set_value(RX51_TVOUT_SEL_GPIO,
71 rx51_jack_func == RX51_JACK_TVOUT);
72
73 snd_soc_dapm_sync(dapm);
74}
75
76static int rx51_startup(struct snd_pcm_substream *substream)
77{
78 struct snd_pcm_runtime *runtime = substream->runtime;
79 struct snd_soc_pcm_runtime *rtd = substream->private_data;
80 struct snd_soc_codec *codec = rtd->codec;
81
82 snd_pcm_hw_constraint_minmax(runtime,
83 SNDRV_PCM_HW_PARAM_CHANNELS, 2, 2);
84 rx51_ext_control(codec);
85
86 return 0;
87}
88
89static int rx51_hw_params(struct snd_pcm_substream *substream,
90 struct snd_pcm_hw_params *params)
91{
92 struct snd_soc_pcm_runtime *rtd = substream->private_data;
93 struct snd_soc_dai *codec_dai = rtd->codec_dai;
94 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
95 int err;
96
97
98 err = snd_soc_dai_set_fmt(codec_dai,
99 SND_SOC_DAIFMT_DSP_A |
100 SND_SOC_DAIFMT_IB_NF |
101 SND_SOC_DAIFMT_CBM_CFM);
102 if (err < 0)
103 return err;
104
105
106 err = snd_soc_dai_set_fmt(cpu_dai,
107 SND_SOC_DAIFMT_DSP_A |
108 SND_SOC_DAIFMT_IB_NF |
109 SND_SOC_DAIFMT_CBM_CFM);
110 if (err < 0)
111 return err;
112
113
114 return snd_soc_dai_set_sysclk(codec_dai, 0, 19200000,
115 SND_SOC_CLOCK_IN);
116}
117
118static struct snd_soc_ops rx51_ops = {
119 .startup = rx51_startup,
120 .hw_params = rx51_hw_params,
121};
122
123static int rx51_get_spk(struct snd_kcontrol *kcontrol,
124 struct snd_ctl_elem_value *ucontrol)
125{
126 ucontrol->value.integer.value[0] = rx51_spk_func;
127
128 return 0;
129}
130
131static int rx51_set_spk(struct snd_kcontrol *kcontrol,
132 struct snd_ctl_elem_value *ucontrol)
133{
134 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
135
136 if (rx51_spk_func == ucontrol->value.integer.value[0])
137 return 0;
138
139 rx51_spk_func = ucontrol->value.integer.value[0];
140 rx51_ext_control(codec);
141
142 return 1;
143}
144
145static int rx51_spk_event(struct snd_soc_dapm_widget *w,
146 struct snd_kcontrol *k, int event)
147{
148 if (SND_SOC_DAPM_EVENT_ON(event))
149 gpio_set_value_cansleep(RX51_SPEAKER_AMP_TWL_GPIO, 1);
150 else
151 gpio_set_value_cansleep(RX51_SPEAKER_AMP_TWL_GPIO, 0);
152
153 return 0;
154}
155
156static int rx51_get_input(struct snd_kcontrol *kcontrol,
157 struct snd_ctl_elem_value *ucontrol)
158{
159 ucontrol->value.integer.value[0] = rx51_dmic_func;
160
161 return 0;
162}
163
164static int rx51_set_input(struct snd_kcontrol *kcontrol,
165 struct snd_ctl_elem_value *ucontrol)
166{
167 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
168
169 if (rx51_dmic_func == ucontrol->value.integer.value[0])
170 return 0;
171
172 rx51_dmic_func = ucontrol->value.integer.value[0];
173 rx51_ext_control(codec);
174
175 return 1;
176}
177
178static int rx51_get_jack(struct snd_kcontrol *kcontrol,
179 struct snd_ctl_elem_value *ucontrol)
180{
181 ucontrol->value.integer.value[0] = rx51_jack_func;
182
183 return 0;
184}
185
186static int rx51_set_jack(struct snd_kcontrol *kcontrol,
187 struct snd_ctl_elem_value *ucontrol)
188{
189 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
190
191 if (rx51_jack_func == ucontrol->value.integer.value[0])
192 return 0;
193
194 rx51_jack_func = ucontrol->value.integer.value[0];
195 rx51_ext_control(codec);
196
197 return 1;
198}
199
200static struct snd_soc_jack rx51_av_jack;
201
202static struct snd_soc_jack_gpio rx51_av_jack_gpios[] = {
203 {
204 .gpio = RX51_JACK_DETECT_GPIO,
205 .name = "avdet-gpio",
206 .report = SND_JACK_VIDEOOUT,
207 .invert = 1,
208 .debounce_time = 200,
209 },
210};
211
212static const struct snd_soc_dapm_widget aic34_dapm_widgets[] = {
213 SND_SOC_DAPM_SPK("Ext Spk", rx51_spk_event),
214 SND_SOC_DAPM_MIC("DMic", NULL),
215};
216
217static const struct snd_soc_dapm_route audio_map[] = {
218 {"Ext Spk", NULL, "HPLOUT"},
219 {"Ext Spk", NULL, "HPROUT"},
220
221 {"DMic Rate 64", NULL, "Mic Bias 2V"},
222 {"Mic Bias 2V", NULL, "DMic"},
223};
224
225static const char *spk_function[] = {"Off", "On"};
226static const char *input_function[] = {"ADC", "Digital Mic"};
227static const char *jack_function[] = {"Off", "TV-OUT"};
228
229static const struct soc_enum rx51_enum[] = {
230 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function),
231 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function),
232 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function),
233};
234
235static const struct snd_kcontrol_new aic34_rx51_controls[] = {
236 SOC_ENUM_EXT("Speaker Function", rx51_enum[0],
237 rx51_get_spk, rx51_set_spk),
238 SOC_ENUM_EXT("Input Select", rx51_enum[1],
239 rx51_get_input, rx51_set_input),
240 SOC_ENUM_EXT("Jack Function", rx51_enum[2],
241 rx51_get_jack, rx51_set_jack),
242};
243
244static int rx51_aic34_init(struct snd_soc_pcm_runtime *rtd)
245{
246 struct snd_soc_codec *codec = rtd->codec;
247 struct snd_soc_dapm_context *dapm = &codec->dapm;
248 int err;
249
250
251 snd_soc_dapm_nc_pin(dapm, "MIC3L");
252 snd_soc_dapm_nc_pin(dapm, "MIC3R");
253 snd_soc_dapm_nc_pin(dapm, "LINE1R");
254
255
256 err = snd_soc_add_controls(codec, aic34_rx51_controls,
257 ARRAY_SIZE(aic34_rx51_controls));
258 if (err < 0)
259 return err;
260
261
262 snd_soc_dapm_new_controls(dapm, aic34_dapm_widgets,
263 ARRAY_SIZE(aic34_dapm_widgets));
264
265
266 snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
267
268 snd_soc_dapm_sync(dapm);
269
270
271 err = snd_soc_jack_new(codec, "AV Jack",
272 SND_JACK_VIDEOOUT, &rx51_av_jack);
273 if (err)
274 return err;
275 err = snd_soc_jack_add_gpios(&rx51_av_jack,
276 ARRAY_SIZE(rx51_av_jack_gpios),
277 rx51_av_jack_gpios);
278
279 return err;
280}
281
282
283static struct snd_soc_dai_link rx51_dai[] = {
284 {
285 .name = "TLV320AIC34",
286 .stream_name = "AIC34",
287 .cpu_dai_name = "omap-mcbsp-dai.1",
288 .codec_dai_name = "tlv320aic3x-hifi",
289 .platform_name = "omap-pcm-audio",
290 .codec_name = "tlv320aic3x-codec.2-0018",
291 .init = rx51_aic34_init,
292 .ops = &rx51_ops,
293 },
294};
295
296
297static struct snd_soc_card rx51_sound_card = {
298 .name = "RX-51",
299 .dai_link = rx51_dai,
300 .num_links = ARRAY_SIZE(rx51_dai),
301};
302
303static struct platform_device *rx51_snd_device;
304
305static int __init rx51_soc_init(void)
306{
307 int err;
308
309 if (!machine_is_nokia_rx51())
310 return -ENODEV;
311
312 err = gpio_request(RX51_TVOUT_SEL_GPIO, "tvout_sel");
313 if (err)
314 goto err_gpio_tvout_sel;
315 gpio_direction_output(RX51_TVOUT_SEL_GPIO, 0);
316
317 rx51_snd_device = platform_device_alloc("soc-audio", -1);
318 if (!rx51_snd_device) {
319 err = -ENOMEM;
320 goto err1;
321 }
322
323 platform_set_drvdata(rx51_snd_device, &rx51_sound_card);
324
325 err = platform_device_add(rx51_snd_device);
326 if (err)
327 goto err2;
328
329 return 0;
330err2:
331 platform_device_put(rx51_snd_device);
332err1:
333 gpio_free(RX51_TVOUT_SEL_GPIO);
334err_gpio_tvout_sel:
335
336 return err;
337}
338
339static void __exit rx51_soc_exit(void)
340{
341 snd_soc_jack_free_gpios(&rx51_av_jack, ARRAY_SIZE(rx51_av_jack_gpios),
342 rx51_av_jack_gpios);
343
344 platform_device_unregister(rx51_snd_device);
345 gpio_free(RX51_TVOUT_SEL_GPIO);
346}
347
348module_init(rx51_soc_init);
349module_exit(rx51_soc_exit);
350
351MODULE_AUTHOR("Nokia Corporation");
352MODULE_DESCRIPTION("ALSA SoC Nokia RX-51");
353MODULE_LICENSE("GPL");
354
