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17#include <linux/module.h>
18#include <linux/timer.h>
19#include <linux/interrupt.h>
20#include <linux/platform_device.h>
21#include <linux/delay.h>
22#include <linux/gpio.h>
23#include <linux/i2c.h>
24
25#include <sound/core.h>
26#include <sound/pcm.h>
27#include <sound/pcm_params.h>
28#include <sound/soc.h>
29#include <sound/uda1380.h>
30
31#include <mach/magician.h>
32#include <asm/mach-types.h>
33#include "../codecs/uda1380.h"
34#include "pxa2xx-i2s.h"
35#include "pxa-ssp.h"
36
37#define MAGICIAN_MIC 0
38#define MAGICIAN_MIC_EXT 1
39
40static int magician_hp_switch;
41static int magician_spk_switch = 1;
42static int magician_in_sel = MAGICIAN_MIC;
43
44static void magician_ext_control(struct snd_soc_codec *codec)
45{
46 struct snd_soc_dapm_context *dapm = &codec->dapm;
47
48 if (magician_spk_switch)
49 snd_soc_dapm_enable_pin(dapm, "Speaker");
50 else
51 snd_soc_dapm_disable_pin(dapm, "Speaker");
52 if (magician_hp_switch)
53 snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
54 else
55 snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
56
57 switch (magician_in_sel) {
58 case MAGICIAN_MIC:
59 snd_soc_dapm_disable_pin(dapm, "Headset Mic");
60 snd_soc_dapm_enable_pin(dapm, "Call Mic");
61 break;
62 case MAGICIAN_MIC_EXT:
63 snd_soc_dapm_disable_pin(dapm, "Call Mic");
64 snd_soc_dapm_enable_pin(dapm, "Headset Mic");
65 break;
66 }
67
68 snd_soc_dapm_sync(dapm);
69}
70
71static int magician_startup(struct snd_pcm_substream *substream)
72{
73 struct snd_soc_pcm_runtime *rtd = substream->private_data;
74 struct snd_soc_codec *codec = rtd->codec;
75
76 mutex_lock(&codec->mutex);
77
78
79 magician_ext_control(codec);
80
81 mutex_unlock(&codec->mutex);
82
83 return 0;
84}
85
86
87
88
89static int magician_playback_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 unsigned int acps, acds, width;
96 unsigned int div4 = PXA_SSP_CLK_SCDB_4;
97 int ret = 0;
98
99 width = snd_pcm_format_physical_width(params_format(params));
100
101
102
103
104
105 switch (params_rate(params)) {
106 case 8000:
107
108 acps = 32842000;
109 switch (width) {
110 case 16:
111
112 acds = PXA_SSP_CLK_AUDIO_DIV_16;
113 break;
114 default:
115
116 acds = PXA_SSP_CLK_AUDIO_DIV_8;
117 }
118 break;
119 case 11025:
120 acps = 5622000;
121 switch (width) {
122 case 16:
123
124 acds = PXA_SSP_CLK_AUDIO_DIV_4;
125 break;
126 default:
127
128 acds = PXA_SSP_CLK_AUDIO_DIV_2;
129 }
130 break;
131 case 22050:
132 acps = 5622000;
133 switch (width) {
134 case 16:
135
136 acds = PXA_SSP_CLK_AUDIO_DIV_2;
137 break;
138 default:
139
140 acds = PXA_SSP_CLK_AUDIO_DIV_1;
141 }
142 break;
143 case 44100:
144 acps = 5622000;
145 switch (width) {
146 case 16:
147
148 acds = PXA_SSP_CLK_AUDIO_DIV_2;
149 break;
150 default:
151
152 acds = PXA_SSP_CLK_AUDIO_DIV_1;
153 }
154 break;
155 case 48000:
156 acps = 12235000;
157 switch (width) {
158 case 16:
159
160 acds = PXA_SSP_CLK_AUDIO_DIV_2;
161 break;
162 default:
163
164 acds = PXA_SSP_CLK_AUDIO_DIV_1;
165 }
166 break;
167 case 96000:
168 default:
169 acps = 12235000;
170 switch (width) {
171 case 16:
172
173 acds = PXA_SSP_CLK_AUDIO_DIV_1;
174 break;
175 default:
176
177 acds = PXA_SSP_CLK_AUDIO_DIV_2;
178 div4 = PXA_SSP_CLK_SCDB_1;
179 break;
180 }
181 break;
182 }
183
184
185 ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_MSB |
186 SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
187 if (ret < 0)
188 return ret;
189
190
191 ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_DSP_A |
192 SND_SOC_DAIFMT_NB_IF | SND_SOC_DAIFMT_CBS_CFS);
193 if (ret < 0)
194 return ret;
195
196 ret = snd_soc_dai_set_tdm_slot(cpu_dai, 1, 0, 1, width);
197 if (ret < 0)
198 return ret;
199
200
201 ret = snd_soc_dai_set_sysclk(cpu_dai, PXA_SSP_CLK_AUDIO, 0,
202 SND_SOC_CLOCK_OUT);
203 if (ret < 0)
204 return ret;
205
206
207 ret = snd_soc_dai_set_clkdiv(cpu_dai,
208 PXA_SSP_AUDIO_DIV_ACDS, acds);
209 if (ret < 0)
210 return ret;
211
212
213 ret = snd_soc_dai_set_clkdiv(cpu_dai,
214 PXA_SSP_AUDIO_DIV_SCDB, div4);
215 if (ret < 0)
216 return ret;
217
218
219 ret = snd_soc_dai_set_pll(cpu_dai, 0, 0, 0, acps);
220 if (ret < 0)
221 return ret;
222
223 return 0;
224}
225
226
227
228
229static int magician_capture_hw_params(struct snd_pcm_substream *substream,
230 struct snd_pcm_hw_params *params)
231{
232 struct snd_soc_pcm_runtime *rtd = substream->private_data;
233 struct snd_soc_dai *codec_dai = rtd->codec_dai;
234 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
235 int ret = 0;
236
237
238 ret = snd_soc_dai_set_fmt(codec_dai,
239 SND_SOC_DAIFMT_MSB | SND_SOC_DAIFMT_NB_NF |
240 SND_SOC_DAIFMT_CBS_CFS);
241 if (ret < 0)
242 return ret;
243
244
245 ret = snd_soc_dai_set_fmt(cpu_dai,
246 SND_SOC_DAIFMT_MSB | SND_SOC_DAIFMT_NB_NF |
247 SND_SOC_DAIFMT_CBS_CFS);
248 if (ret < 0)
249 return ret;
250
251
252 ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
253 SND_SOC_CLOCK_OUT);
254 if (ret < 0)
255 return ret;
256
257 return 0;
258}
259
260static struct snd_soc_ops magician_capture_ops = {
261 .startup = magician_startup,
262 .hw_params = magician_capture_hw_params,
263};
264
265static struct snd_soc_ops magician_playback_ops = {
266 .startup = magician_startup,
267 .hw_params = magician_playback_hw_params,
268};
269
270static int magician_get_hp(struct snd_kcontrol *kcontrol,
271 struct snd_ctl_elem_value *ucontrol)
272{
273 ucontrol->value.integer.value[0] = magician_hp_switch;
274 return 0;
275}
276
277static int magician_set_hp(struct snd_kcontrol *kcontrol,
278 struct snd_ctl_elem_value *ucontrol)
279{
280 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
281
282 if (magician_hp_switch == ucontrol->value.integer.value[0])
283 return 0;
284
285 magician_hp_switch = ucontrol->value.integer.value[0];
286 magician_ext_control(codec);
287 return 1;
288}
289
290static int magician_get_spk(struct snd_kcontrol *kcontrol,
291 struct snd_ctl_elem_value *ucontrol)
292{
293 ucontrol->value.integer.value[0] = magician_spk_switch;
294 return 0;
295}
296
297static int magician_set_spk(struct snd_kcontrol *kcontrol,
298 struct snd_ctl_elem_value *ucontrol)
299{
300 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
301
302 if (magician_spk_switch == ucontrol->value.integer.value[0])
303 return 0;
304
305 magician_spk_switch = ucontrol->value.integer.value[0];
306 magician_ext_control(codec);
307 return 1;
308}
309
310static int magician_get_input(struct snd_kcontrol *kcontrol,
311 struct snd_ctl_elem_value *ucontrol)
312{
313 ucontrol->value.integer.value[0] = magician_in_sel;
314 return 0;
315}
316
317static int magician_set_input(struct snd_kcontrol *kcontrol,
318 struct snd_ctl_elem_value *ucontrol)
319{
320 if (magician_in_sel == ucontrol->value.integer.value[0])
321 return 0;
322
323 magician_in_sel = ucontrol->value.integer.value[0];
324
325 switch (magician_in_sel) {
326 case MAGICIAN_MIC:
327 gpio_set_value(EGPIO_MAGICIAN_IN_SEL1, 1);
328 break;
329 case MAGICIAN_MIC_EXT:
330 gpio_set_value(EGPIO_MAGICIAN_IN_SEL1, 0);
331 }
332
333 return 1;
334}
335
336static int magician_spk_power(struct snd_soc_dapm_widget *w,
337 struct snd_kcontrol *k, int event)
338{
339 gpio_set_value(EGPIO_MAGICIAN_SPK_POWER, SND_SOC_DAPM_EVENT_ON(event));
340 return 0;
341}
342
343static int magician_hp_power(struct snd_soc_dapm_widget *w,
344 struct snd_kcontrol *k, int event)
345{
346 gpio_set_value(EGPIO_MAGICIAN_EP_POWER, SND_SOC_DAPM_EVENT_ON(event));
347 return 0;
348}
349
350static int magician_mic_bias(struct snd_soc_dapm_widget *w,
351 struct snd_kcontrol *k, int event)
352{
353 gpio_set_value(EGPIO_MAGICIAN_MIC_POWER, SND_SOC_DAPM_EVENT_ON(event));
354 return 0;
355}
356
357
358static const struct snd_soc_dapm_widget uda1380_dapm_widgets[] = {
359 SND_SOC_DAPM_HP("Headphone Jack", magician_hp_power),
360 SND_SOC_DAPM_SPK("Speaker", magician_spk_power),
361 SND_SOC_DAPM_MIC("Call Mic", magician_mic_bias),
362 SND_SOC_DAPM_MIC("Headset Mic", magician_mic_bias),
363};
364
365
366static const struct snd_soc_dapm_route audio_map[] = {
367
368
369 {"Headphone Jack", NULL, "VOUTL"},
370 {"Headphone Jack", NULL, "VOUTR"},
371
372
373 {"Speaker", NULL, "VOUTL"},
374 {"Speaker", NULL, "VOUTR"},
375
376
377 {"VINM", NULL, "Headset Mic"},
378 {"VINM", NULL, "Call Mic"},
379};
380
381static const char *input_select[] = {"Call Mic", "Headset Mic"};
382static const struct soc_enum magician_in_sel_enum =
383 SOC_ENUM_SINGLE_EXT(2, input_select);
384
385static const struct snd_kcontrol_new uda1380_magician_controls[] = {
386 SOC_SINGLE_BOOL_EXT("Headphone Switch",
387 (unsigned long)&magician_hp_switch,
388 magician_get_hp, magician_set_hp),
389 SOC_SINGLE_BOOL_EXT("Speaker Switch",
390 (unsigned long)&magician_spk_switch,
391 magician_get_spk, magician_set_spk),
392 SOC_ENUM_EXT("Input Select", magician_in_sel_enum,
393 magician_get_input, magician_set_input),
394};
395
396
397
398
399static int magician_uda1380_init(struct snd_soc_pcm_runtime *rtd)
400{
401 struct snd_soc_codec *codec = rtd->codec;
402 struct snd_soc_dapm_context *dapm = &codec->dapm;
403 int err;
404
405
406 snd_soc_dapm_nc_pin(dapm, "VOUTLHP");
407 snd_soc_dapm_nc_pin(dapm, "VOUTRHP");
408
409
410 snd_soc_dapm_nc_pin(dapm, "VINL");
411 snd_soc_dapm_nc_pin(dapm, "VINR");
412
413
414 err = snd_soc_add_controls(codec, uda1380_magician_controls,
415 ARRAY_SIZE(uda1380_magician_controls));
416 if (err < 0)
417 return err;
418
419
420 snd_soc_dapm_new_controls(dapm, uda1380_dapm_widgets,
421 ARRAY_SIZE(uda1380_dapm_widgets));
422
423
424 snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
425
426 return 0;
427}
428
429
430static struct snd_soc_dai_link magician_dai[] = {
431{
432 .name = "uda1380",
433 .stream_name = "UDA1380 Playback",
434 .cpu_dai_name = "pxa-ssp-dai.0",
435 .codec_dai_name = "uda1380-hifi-playback",
436 .platform_name = "pxa-pcm-audio",
437 .codec_name = "uda1380-codec.0-0018",
438 .init = magician_uda1380_init,
439 .ops = &magician_playback_ops,
440},
441{
442 .name = "uda1380",
443 .stream_name = "UDA1380 Capture",
444 .cpu_dai_name = "pxa2xx-i2s",
445 .codec_dai_name = "uda1380-hifi-capture",
446 .platform_name = "pxa-pcm-audio",
447 .codec_name = "uda1380-codec.0-0018",
448 .ops = &magician_capture_ops,
449}
450};
451
452
453static struct snd_soc_card snd_soc_card_magician = {
454 .name = "Magician",
455 .dai_link = magician_dai,
456 .num_links = ARRAY_SIZE(magician_dai),
457
458};
459
460static struct platform_device *magician_snd_device;
461
462
463
464
465static struct uda1380_platform_data uda1380_info = {
466 .gpio_power = EGPIO_MAGICIAN_CODEC_POWER,
467 .gpio_reset = EGPIO_MAGICIAN_CODEC_RESET,
468 .dac_clk = UDA1380_DAC_CLK_WSPLL,
469};
470
471static struct i2c_board_info i2c_board_info[] = {
472 {
473 I2C_BOARD_INFO("uda1380", 0x18),
474 .platform_data = &uda1380_info,
475 },
476};
477
478static int __init magician_init(void)
479{
480 int ret;
481 struct i2c_adapter *adapter;
482 struct i2c_client *client;
483
484 if (!machine_is_magician())
485 return -ENODEV;
486
487 adapter = i2c_get_adapter(0);
488 if (!adapter)
489 return -ENODEV;
490 client = i2c_new_device(adapter, i2c_board_info);
491 i2c_put_adapter(adapter);
492 if (!client)
493 return -ENODEV;
494
495 ret = gpio_request(EGPIO_MAGICIAN_SPK_POWER, "SPK_POWER");
496 if (ret)
497 goto err_request_spk;
498 ret = gpio_request(EGPIO_MAGICIAN_EP_POWER, "EP_POWER");
499 if (ret)
500 goto err_request_ep;
501 ret = gpio_request(EGPIO_MAGICIAN_MIC_POWER, "MIC_POWER");
502 if (ret)
503 goto err_request_mic;
504 ret = gpio_request(EGPIO_MAGICIAN_IN_SEL0, "IN_SEL0");
505 if (ret)
506 goto err_request_in_sel0;
507 ret = gpio_request(EGPIO_MAGICIAN_IN_SEL1, "IN_SEL1");
508 if (ret)
509 goto err_request_in_sel1;
510
511 gpio_set_value(EGPIO_MAGICIAN_IN_SEL0, 0);
512
513 magician_snd_device = platform_device_alloc("soc-audio", -1);
514 if (!magician_snd_device) {
515 ret = -ENOMEM;
516 goto err_pdev;
517 }
518
519 platform_set_drvdata(magician_snd_device, &snd_soc_card_magician);
520 ret = platform_device_add(magician_snd_device);
521 if (ret) {
522 platform_device_put(magician_snd_device);
523 goto err_pdev;
524 }
525
526 return 0;
527
528err_pdev:
529 gpio_free(EGPIO_MAGICIAN_IN_SEL1);
530err_request_in_sel1:
531 gpio_free(EGPIO_MAGICIAN_IN_SEL0);
532err_request_in_sel0:
533 gpio_free(EGPIO_MAGICIAN_MIC_POWER);
534err_request_mic:
535 gpio_free(EGPIO_MAGICIAN_EP_POWER);
536err_request_ep:
537 gpio_free(EGPIO_MAGICIAN_SPK_POWER);
538err_request_spk:
539 return ret;
540}
541
542static void __exit magician_exit(void)
543{
544 platform_device_unregister(magician_snd_device);
545
546 gpio_set_value(EGPIO_MAGICIAN_SPK_POWER, 0);
547 gpio_set_value(EGPIO_MAGICIAN_EP_POWER, 0);
548 gpio_set_value(EGPIO_MAGICIAN_MIC_POWER, 0);
549
550 gpio_free(EGPIO_MAGICIAN_IN_SEL1);
551 gpio_free(EGPIO_MAGICIAN_IN_SEL0);
552 gpio_free(EGPIO_MAGICIAN_MIC_POWER);
553 gpio_free(EGPIO_MAGICIAN_EP_POWER);
554 gpio_free(EGPIO_MAGICIAN_SPK_POWER);
555}
556
557module_init(magician_init);
558module_exit(magician_exit);
559
560MODULE_AUTHOR("Philipp Zabel");
561MODULE_DESCRIPTION("ALSA SoC Magician");
562MODULE_LICENSE("GPL");
563
