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Diffstat (limited to 'sound/soc/codecs/wm8510.c')
-rw-r--r--sound/soc/codecs/wm8510.c141
1 files changed, 49 insertions, 92 deletions
diff --git a/sound/soc/codecs/wm8510.c b/sound/soc/codecs/wm8510.c
index c8b8dba85890..7a169bff86f9 100644
--- a/sound/soc/codecs/wm8510.c
+++ b/sound/soc/codecs/wm8510.c
@@ -58,55 +58,7 @@ static const u16 wm8510_reg[WM8510_CACHEREGNUM] = {
58#define WM8510_POWER1_BIASEN 0x08 58#define WM8510_POWER1_BIASEN 0x08
59#define WM8510_POWER1_BUFIOEN 0x10 59#define WM8510_POWER1_BUFIOEN 0x10
60 60
61/* 61#define wm8510_reset(c) snd_soc_write(c, WM8510_RESET, 0)
62 * read wm8510 register cache
63 */
64static inline unsigned int wm8510_read_reg_cache(struct snd_soc_codec *codec,
65 unsigned int reg)
66{
67 u16 *cache = codec->reg_cache;
68 if (reg == WM8510_RESET)
69 return 0;
70 if (reg >= WM8510_CACHEREGNUM)
71 return -1;
72 return cache[reg];
73}
74
75/*
76 * write wm8510 register cache
77 */
78static inline void wm8510_write_reg_cache(struct snd_soc_codec *codec,
79 u16 reg, unsigned int value)
80{
81 u16 *cache = codec->reg_cache;
82 if (reg >= WM8510_CACHEREGNUM)
83 return;
84 cache[reg] = value;
85}
86
87/*
88 * write to the WM8510 register space
89 */
90static int wm8510_write(struct snd_soc_codec *codec, unsigned int reg,
91 unsigned int value)
92{
93 u8 data[2];
94
95 /* data is
96 * D15..D9 WM8510 register offset
97 * D8...D0 register data
98 */
99 data[0] = (reg << 1) | ((value >> 8) & 0x0001);
100 data[1] = value & 0x00ff;
101
102 wm8510_write_reg_cache(codec, reg, value);
103 if (codec->hw_write(codec->control_data, data, 2) == 2)
104 return 0;
105 else
106 return -EIO;
107}
108
109#define wm8510_reset(c) wm8510_write(c, WM8510_RESET, 0)
110 62
111static const char *wm8510_companding[] = { "Off", "NC", "u-law", "A-law" }; 63static const char *wm8510_companding[] = { "Off", "NC", "u-law", "A-law" };
112static const char *wm8510_deemp[] = { "None", "32kHz", "44.1kHz", "48kHz" }; 64static const char *wm8510_deemp[] = { "None", "32kHz", "44.1kHz", "48kHz" };
@@ -327,27 +279,27 @@ static int wm8510_set_dai_pll(struct snd_soc_dai *codec_dai,
327 279
328 if (freq_in == 0 || freq_out == 0) { 280 if (freq_in == 0 || freq_out == 0) {
329 /* Clock CODEC directly from MCLK */ 281 /* Clock CODEC directly from MCLK */
330 reg = wm8510_read_reg_cache(codec, WM8510_CLOCK); 282 reg = snd_soc_read(codec, WM8510_CLOCK);
331 wm8510_write(codec, WM8510_CLOCK, reg & 0x0ff); 283 snd_soc_write(codec, WM8510_CLOCK, reg & 0x0ff);
332 284
333 /* Turn off PLL */ 285 /* Turn off PLL */
334 reg = wm8510_read_reg_cache(codec, WM8510_POWER1); 286 reg = snd_soc_read(codec, WM8510_POWER1);
335 wm8510_write(codec, WM8510_POWER1, reg & 0x1df); 287 snd_soc_write(codec, WM8510_POWER1, reg & 0x1df);
336 return 0; 288 return 0;
337 } 289 }
338 290
339 pll_factors(freq_out*4, freq_in); 291 pll_factors(freq_out*4, freq_in);
340 292
341 wm8510_write(codec, WM8510_PLLN, (pll_div.pre_div << 4) | pll_div.n); 293 snd_soc_write(codec, WM8510_PLLN, (pll_div.pre_div << 4) | pll_div.n);
342 wm8510_write(codec, WM8510_PLLK1, pll_div.k >> 18); 294 snd_soc_write(codec, WM8510_PLLK1, pll_div.k >> 18);
343 wm8510_write(codec, WM8510_PLLK2, (pll_div.k >> 9) & 0x1ff); 295 snd_soc_write(codec, WM8510_PLLK2, (pll_div.k >> 9) & 0x1ff);
344 wm8510_write(codec, WM8510_PLLK3, pll_div.k & 0x1ff); 296 snd_soc_write(codec, WM8510_PLLK3, pll_div.k & 0x1ff);
345 reg = wm8510_read_reg_cache(codec, WM8510_POWER1); 297 reg = snd_soc_read(codec, WM8510_POWER1);
346 wm8510_write(codec, WM8510_POWER1, reg | 0x020); 298 snd_soc_write(codec, WM8510_POWER1, reg | 0x020);
347 299
348 /* Run CODEC from PLL instead of MCLK */ 300 /* Run CODEC from PLL instead of MCLK */
349 reg = wm8510_read_reg_cache(codec, WM8510_CLOCK); 301 reg = snd_soc_read(codec, WM8510_CLOCK);
350 wm8510_write(codec, WM8510_CLOCK, reg | 0x100); 302 snd_soc_write(codec, WM8510_CLOCK, reg | 0x100);
351 303
352 return 0; 304 return 0;
353} 305}
@@ -363,24 +315,24 @@ static int wm8510_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
363 315
364 switch (div_id) { 316 switch (div_id) {
365 case WM8510_OPCLKDIV: 317 case WM8510_OPCLKDIV:
366 reg = wm8510_read_reg_cache(codec, WM8510_GPIO) & 0x1cf; 318 reg = snd_soc_read(codec, WM8510_GPIO) & 0x1cf;
367 wm8510_write(codec, WM8510_GPIO, reg | div); 319 snd_soc_write(codec, WM8510_GPIO, reg | div);
368 break; 320 break;
369 case WM8510_MCLKDIV: 321 case WM8510_MCLKDIV:
370 reg = wm8510_read_reg_cache(codec, WM8510_CLOCK) & 0x11f; 322 reg = snd_soc_read(codec, WM8510_CLOCK) & 0x11f;
371 wm8510_write(codec, WM8510_CLOCK, reg | div); 323 snd_soc_write(codec, WM8510_CLOCK, reg | div);
372 break; 324 break;
373 case WM8510_ADCCLK: 325 case WM8510_ADCCLK:
374 reg = wm8510_read_reg_cache(codec, WM8510_ADC) & 0x1f7; 326 reg = snd_soc_read(codec, WM8510_ADC) & 0x1f7;
375 wm8510_write(codec, WM8510_ADC, reg | div); 327 snd_soc_write(codec, WM8510_ADC, reg | div);
376 break; 328 break;
377 case WM8510_DACCLK: 329 case WM8510_DACCLK:
378 reg = wm8510_read_reg_cache(codec, WM8510_DAC) & 0x1f7; 330 reg = snd_soc_read(codec, WM8510_DAC) & 0x1f7;
379 wm8510_write(codec, WM8510_DAC, reg | div); 331 snd_soc_write(codec, WM8510_DAC, reg | div);
380 break; 332 break;
381 case WM8510_BCLKDIV: 333 case WM8510_BCLKDIV:
382 reg = wm8510_read_reg_cache(codec, WM8510_CLOCK) & 0x1e3; 334 reg = snd_soc_read(codec, WM8510_CLOCK) & 0x1e3;
383 wm8510_write(codec, WM8510_CLOCK, reg | div); 335 snd_soc_write(codec, WM8510_CLOCK, reg | div);
384 break; 336 break;
385 default: 337 default:
386 return -EINVAL; 338 return -EINVAL;
@@ -394,7 +346,7 @@ static int wm8510_set_dai_fmt(struct snd_soc_dai *codec_dai,
394{ 346{
395 struct snd_soc_codec *codec = codec_dai->codec; 347 struct snd_soc_codec *codec = codec_dai->codec;
396 u16 iface = 0; 348 u16 iface = 0;
397 u16 clk = wm8510_read_reg_cache(codec, WM8510_CLOCK) & 0x1fe; 349 u16 clk = snd_soc_read(codec, WM8510_CLOCK) & 0x1fe;
398 350
399 /* set master/slave audio interface */ 351 /* set master/slave audio interface */
400 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 352 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
@@ -441,8 +393,8 @@ static int wm8510_set_dai_fmt(struct snd_soc_dai *codec_dai,
441 return -EINVAL; 393 return -EINVAL;
442 } 394 }
443 395
444 wm8510_write(codec, WM8510_IFACE, iface); 396 snd_soc_write(codec, WM8510_IFACE, iface);
445 wm8510_write(codec, WM8510_CLOCK, clk); 397 snd_soc_write(codec, WM8510_CLOCK, clk);
446 return 0; 398 return 0;
447} 399}
448 400
@@ -453,8 +405,8 @@ static int wm8510_pcm_hw_params(struct snd_pcm_substream *substream,
453 struct snd_soc_pcm_runtime *rtd = substream->private_data; 405 struct snd_soc_pcm_runtime *rtd = substream->private_data;
454 struct snd_soc_device *socdev = rtd->socdev; 406 struct snd_soc_device *socdev = rtd->socdev;
455 struct snd_soc_codec *codec = socdev->card->codec; 407 struct snd_soc_codec *codec = socdev->card->codec;
456 u16 iface = wm8510_read_reg_cache(codec, WM8510_IFACE) & 0x19f; 408 u16 iface = snd_soc_read(codec, WM8510_IFACE) & 0x19f;
457 u16 adn = wm8510_read_reg_cache(codec, WM8510_ADD) & 0x1f1; 409 u16 adn = snd_soc_read(codec, WM8510_ADD) & 0x1f1;
458 410
459 /* bit size */ 411 /* bit size */
460 switch (params_format(params)) { 412 switch (params_format(params)) {
@@ -493,20 +445,20 @@ static int wm8510_pcm_hw_params(struct snd_pcm_substream *substream,
493 break; 445 break;
494 } 446 }
495 447
496 wm8510_write(codec, WM8510_IFACE, iface); 448 snd_soc_write(codec, WM8510_IFACE, iface);
497 wm8510_write(codec, WM8510_ADD, adn); 449 snd_soc_write(codec, WM8510_ADD, adn);
498 return 0; 450 return 0;
499} 451}
500 452
501static int wm8510_mute(struct snd_soc_dai *dai, int mute) 453static int wm8510_mute(struct snd_soc_dai *dai, int mute)
502{ 454{
503 struct snd_soc_codec *codec = dai->codec; 455 struct snd_soc_codec *codec = dai->codec;
504 u16 mute_reg = wm8510_read_reg_cache(codec, WM8510_DAC) & 0xffbf; 456 u16 mute_reg = snd_soc_read(codec, WM8510_DAC) & 0xffbf;
505 457
506 if (mute) 458 if (mute)
507 wm8510_write(codec, WM8510_DAC, mute_reg | 0x40); 459 snd_soc_write(codec, WM8510_DAC, mute_reg | 0x40);
508 else 460 else
509 wm8510_write(codec, WM8510_DAC, mute_reg); 461 snd_soc_write(codec, WM8510_DAC, mute_reg);
510 return 0; 462 return 0;
511} 463}
512 464
@@ -514,13 +466,13 @@ static int wm8510_mute(struct snd_soc_dai *dai, int mute)
514static int wm8510_set_bias_level(struct snd_soc_codec *codec, 466static int wm8510_set_bias_level(struct snd_soc_codec *codec,
515 enum snd_soc_bias_level level) 467 enum snd_soc_bias_level level)
516{ 468{
517 u16 power1 = wm8510_read_reg_cache(codec, WM8510_POWER1) & ~0x3; 469 u16 power1 = snd_soc_read(codec, WM8510_POWER1) & ~0x3;
518 470
519 switch (level) { 471 switch (level) {
520 case SND_SOC_BIAS_ON: 472 case SND_SOC_BIAS_ON:
521 case SND_SOC_BIAS_PREPARE: 473 case SND_SOC_BIAS_PREPARE:
522 power1 |= 0x1; /* VMID 50k */ 474 power1 |= 0x1; /* VMID 50k */
523 wm8510_write(codec, WM8510_POWER1, power1); 475 snd_soc_write(codec, WM8510_POWER1, power1);
524 break; 476 break;
525 477
526 case SND_SOC_BIAS_STANDBY: 478 case SND_SOC_BIAS_STANDBY:
@@ -528,18 +480,18 @@ static int wm8510_set_bias_level(struct snd_soc_codec *codec,
528 480
529 if (codec->bias_level == SND_SOC_BIAS_OFF) { 481 if (codec->bias_level == SND_SOC_BIAS_OFF) {
530 /* Initial cap charge at VMID 5k */ 482 /* Initial cap charge at VMID 5k */
531 wm8510_write(codec, WM8510_POWER1, power1 | 0x3); 483 snd_soc_write(codec, WM8510_POWER1, power1 | 0x3);
532 mdelay(100); 484 mdelay(100);
533 } 485 }
534 486
535 power1 |= 0x2; /* VMID 500k */ 487 power1 |= 0x2; /* VMID 500k */
536 wm8510_write(codec, WM8510_POWER1, power1); 488 snd_soc_write(codec, WM8510_POWER1, power1);
537 break; 489 break;
538 490
539 case SND_SOC_BIAS_OFF: 491 case SND_SOC_BIAS_OFF:
540 wm8510_write(codec, WM8510_POWER1, 0); 492 snd_soc_write(codec, WM8510_POWER1, 0);
541 wm8510_write(codec, WM8510_POWER2, 0); 493 snd_soc_write(codec, WM8510_POWER2, 0);
542 wm8510_write(codec, WM8510_POWER3, 0); 494 snd_soc_write(codec, WM8510_POWER3, 0);
543 break; 495 break;
544 } 496 }
545 497
@@ -619,8 +571,6 @@ static int wm8510_init(struct snd_soc_device *socdev)
619 571
620 codec->name = "WM8510"; 572 codec->name = "WM8510";
621 codec->owner = THIS_MODULE; 573 codec->owner = THIS_MODULE;
622 codec->read = wm8510_read_reg_cache;
623 codec->write = wm8510_write;
624 codec->set_bias_level = wm8510_set_bias_level; 574 codec->set_bias_level = wm8510_set_bias_level;
625 codec->dai = &wm8510_dai; 575 codec->dai = &wm8510_dai;
626 codec->num_dai = 1; 576 codec->num_dai = 1;
@@ -630,13 +580,20 @@ static int wm8510_init(struct snd_soc_device *socdev)
630 if (codec->reg_cache == NULL) 580 if (codec->reg_cache == NULL)
631 return -ENOMEM; 581 return -ENOMEM;
632 582
583 ret = snd_soc_codec_set_cache_io(codec, 7, 9);
584 if (ret < 0) {
585 printk(KERN_ERR "wm8510: failed to set cache I/O: %d\n",
586 ret);
587 goto err;
588 }
589
633 wm8510_reset(codec); 590 wm8510_reset(codec);
634 591
635 /* register pcms */ 592 /* register pcms */
636 ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); 593 ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
637 if (ret < 0) { 594 if (ret < 0) {
638 printk(KERN_ERR "wm8510: failed to create pcms\n"); 595 printk(KERN_ERR "wm8510: failed to create pcms\n");
639 goto pcm_err; 596 goto err;
640 } 597 }
641 598
642 /* power on device */ 599 /* power on device */
@@ -655,7 +612,7 @@ static int wm8510_init(struct snd_soc_device *socdev)
655card_err: 612card_err:
656 snd_soc_free_pcms(socdev); 613 snd_soc_free_pcms(socdev);
657 snd_soc_dapm_free(socdev); 614 snd_soc_dapm_free(socdev);
658pcm_err: 615err:
659 kfree(codec->reg_cache); 616 kfree(codec->reg_cache);
660 return ret; 617 return ret;
661} 618}