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Side by Side Diff: sound/soc/codecs/wm9712.c

Issue 6577007: CHROMIUM: ASoC: Import entire upstream ASoC tree (Closed)
Patch Set: Created 9 years, 10 months ago
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1 /* 1 /*
2 * wm9712.c -- ALSA Soc WM9712 codec support 2 * wm9712.c -- ALSA Soc WM9712 codec support
3 * 3 *
4 * Copyright 2006 Wolfson Microelectronics PLC. 4 * Copyright 2006 Wolfson Microelectronics PLC.
5 * Author: Liam Girdwood <lrg@slimlogic.co.uk> 5 * Author: Liam Girdwood <lrg@slimlogic.co.uk>
6 * 6 *
7 * This program is free software; you can redistribute it and/or modify it 7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the 8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2 of the License, or (at your 9 * Free Software Foundation; either version 2 of the License, or (at your
10 * option) any later version. 10 * option) any later version.
11 */ 11 */
12 12
13 #include <linux/init.h> 13 #include <linux/init.h>
14 #include <linux/slab.h> 14 #include <linux/slab.h>
15 #include <linux/module.h> 15 #include <linux/module.h>
16 #include <linux/kernel.h> 16 #include <linux/kernel.h>
17 #include <linux/device.h> 17 #include <linux/device.h>
18 #include <sound/core.h> 18 #include <sound/core.h>
19 #include <sound/pcm.h> 19 #include <sound/pcm.h>
20 #include <sound/ac97_codec.h> 20 #include <sound/ac97_codec.h>
21 #include <sound/initval.h> 21 #include <sound/initval.h>
22 #include <sound/soc.h> 22 #include <sound/soc.h>
23 #include <sound/soc-dapm.h>
24 #include "wm9712.h" 23 #include "wm9712.h"
25 24
26 #define WM9712_VERSION "0.4" 25 #define WM9712_VERSION "0.4"
27 26
28 static unsigned int ac97_read(struct snd_soc_codec *codec, 27 static unsigned int ac97_read(struct snd_soc_codec *codec,
29 unsigned int reg); 28 unsigned int reg);
30 static int ac97_write(struct snd_soc_codec *codec, 29 static int ac97_write(struct snd_soc_codec *codec,
31 unsigned int reg, unsigned int val); 30 unsigned int reg, unsigned int val);
32 31
33 /* 32 /*
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425 /* speaker Mux */ 424 /* speaker Mux */
426 {"Speaker Mux", "Speaker Mix", "Speaker Mixer"}, 425 {"Speaker Mux", "Speaker Mix", "Speaker Mixer"},
427 {"Speaker Mux", "Headphone Mix", "Mono Mixer"}, 426 {"Speaker Mux", "Headphone Mix", "Mono Mixer"},
428 {"Speaker PGA", NULL, "Speaker Mux"}, 427 {"Speaker PGA", NULL, "Speaker Mux"},
429 {"LOUT2", NULL, "Speaker PGA"}, 428 {"LOUT2", NULL, "Speaker PGA"},
430 {"ROUT2", NULL, "Speaker PGA"}, 429 {"ROUT2", NULL, "Speaker PGA"},
431 }; 430 };
432 431
433 static int wm9712_add_widgets(struct snd_soc_codec *codec) 432 static int wm9712_add_widgets(struct snd_soc_codec *codec)
434 { 433 {
435 » snd_soc_dapm_new_controls(codec, wm9712_dapm_widgets, 434 » struct snd_soc_dapm_context *dapm = &codec->dapm;
435
436 » snd_soc_dapm_new_controls(dapm, wm9712_dapm_widgets,
436 ARRAY_SIZE(wm9712_dapm_widgets)); 437 ARRAY_SIZE(wm9712_dapm_widgets));
437 438 » snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
438 » snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
439 439
440 return 0; 440 return 0;
441 } 441 }
442 442
443 static unsigned int ac97_read(struct snd_soc_codec *codec, 443 static unsigned int ac97_read(struct snd_soc_codec *codec,
444 unsigned int reg) 444 unsigned int reg)
445 { 445 {
446 u16 *cache = codec->reg_cache; 446 u16 *cache = codec->reg_cache;
447 447
448 if (reg == AC97_RESET || reg == AC97_GPIO_STATUS || 448 if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
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563 break; 563 break;
564 case SND_SOC_BIAS_STANDBY: 564 case SND_SOC_BIAS_STANDBY:
565 ac97_write(codec, AC97_POWERDOWN, 0x0000); 565 ac97_write(codec, AC97_POWERDOWN, 0x0000);
566 break; 566 break;
567 case SND_SOC_BIAS_OFF: 567 case SND_SOC_BIAS_OFF:
568 /* disable everything including AC link */ 568 /* disable everything including AC link */
569 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff); 569 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
570 ac97_write(codec, AC97_POWERDOWN, 0xffff); 570 ac97_write(codec, AC97_POWERDOWN, 0xffff);
571 break; 571 break;
572 } 572 }
573 » codec->bias_level = level; 573 » codec->dapm.bias_level = level;
574 return 0; 574 return 0;
575 } 575 }
576 576
577 static int wm9712_reset(struct snd_soc_codec *codec, int try_warm) 577 static int wm9712_reset(struct snd_soc_codec *codec, int try_warm)
578 { 578 {
579 if (try_warm && soc_ac97_ops.warm_reset) { 579 if (try_warm && soc_ac97_ops.warm_reset) {
580 soc_ac97_ops.warm_reset(codec->ac97); 580 soc_ac97_ops.warm_reset(codec->ac97);
581 if (ac97_read(codec, 0) == wm9712_reg[0]) 581 if (ac97_read(codec, 0) == wm9712_reg[0])
582 return 1; 582 return 1;
583 } 583 }
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710 710
711 static void __exit wm9712_exit(void) 711 static void __exit wm9712_exit(void)
712 { 712 {
713 platform_driver_unregister(&wm9712_codec_driver); 713 platform_driver_unregister(&wm9712_codec_driver);
714 } 714 }
715 module_exit(wm9712_exit); 715 module_exit(wm9712_exit);
716 716
717 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver"); 717 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
718 MODULE_AUTHOR("Liam Girdwood"); 718 MODULE_AUTHOR("Liam Girdwood");
719 MODULE_LICENSE("GPL"); 719 MODULE_LICENSE("GPL");
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