soc.h (8990c1bc4be46473ad19bf2fa612ca57286f3df4) soc.h (8ddab3f5107c3955e70e87a632d4d179ddba1189)
1/*
2 * linux/sound/soc.h -- ALSA SoC Layer
3 *
4 * Author: Liam Girdwood
5 * Created: Aug 11th 2005
6 * Copyright: Wolfson Microelectronics. PLC.
7 *
8 * This program is free software; you can redistribute it and/or modify

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217 SND_SOC_BIAS_OFF,
218 SND_SOC_BIAS_STANDBY,
219 SND_SOC_BIAS_PREPARE,
220 SND_SOC_BIAS_ON,
221};
222
223struct snd_jack;
224struct snd_soc_card;
1/*
2 * linux/sound/soc.h -- ALSA SoC Layer
3 *
4 * Author: Liam Girdwood
5 * Created: Aug 11th 2005
6 * Copyright: Wolfson Microelectronics. PLC.
7 *
8 * This program is free software; you can redistribute it and/or modify

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217 SND_SOC_BIAS_OFF,
218 SND_SOC_BIAS_STANDBY,
219 SND_SOC_BIAS_PREPARE,
220 SND_SOC_BIAS_ON,
221};
222
223struct snd_jack;
224struct snd_soc_card;
225struct snd_soc_device;
226struct snd_soc_pcm_stream;
227struct snd_soc_ops;
225struct snd_soc_pcm_stream;
226struct snd_soc_ops;
228struct snd_soc_dai_mode;
229struct snd_soc_pcm_runtime;
230struct snd_soc_dai;
231struct snd_soc_dai_driver;
232struct snd_soc_platform;
233struct snd_soc_dai_link;
234struct snd_soc_platform_driver;
235struct snd_soc_codec;
236struct snd_soc_codec_driver;
237struct soc_enum;
227struct snd_soc_pcm_runtime;
228struct snd_soc_dai;
229struct snd_soc_dai_driver;
230struct snd_soc_platform;
231struct snd_soc_dai_link;
232struct snd_soc_platform_driver;
233struct snd_soc_codec;
234struct snd_soc_codec_driver;
235struct soc_enum;
238struct snd_soc_ac97_ops;
239struct snd_soc_jack;
240struct snd_soc_jack_pin;
236struct snd_soc_jack;
237struct snd_soc_jack_pin;
238struct snd_soc_cache_ops;
239#include <sound/soc-dapm.h>
241
242#ifdef CONFIG_GPIOLIB
243struct snd_soc_jack_gpio;
244#endif
245
246typedef int (*hw_write_t)(void *,const char* ,int);
247
248extern struct snd_ac97_bus_ops soc_ac97_ops;
249
250enum snd_soc_control_type {
251 SND_SOC_CUSTOM,
252 SND_SOC_I2C,
253 SND_SOC_SPI,
254};
255
240
241#ifdef CONFIG_GPIOLIB
242struct snd_soc_jack_gpio;
243#endif
244
245typedef int (*hw_write_t)(void *,const char* ,int);
246
247extern struct snd_ac97_bus_ops soc_ac97_ops;
248
249enum snd_soc_control_type {
250 SND_SOC_CUSTOM,
251 SND_SOC_I2C,
252 SND_SOC_SPI,
253};
254
255enum snd_soc_compress_type {
256 SND_SOC_FLAT_COMPRESSION = 1,
257 SND_SOC_LZO_COMPRESSION,
258 SND_SOC_RBTREE_COMPRESSION
259};
260
256int snd_soc_register_platform(struct device *dev,
257 struct snd_soc_platform_driver *platform_drv);
258void snd_soc_unregister_platform(struct device *dev);
259int snd_soc_register_codec(struct device *dev,
261int snd_soc_register_platform(struct device *dev,
262 struct snd_soc_platform_driver *platform_drv);
263void snd_soc_unregister_platform(struct device *dev);
264int snd_soc_register_codec(struct device *dev,
260 struct snd_soc_codec_driver *codec_drv,
265 const struct snd_soc_codec_driver *codec_drv,
261 struct snd_soc_dai_driver *dai_drv, int num_dai);
262void snd_soc_unregister_codec(struct device *dev);
263int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, int reg);
264int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec,
265 int addr_bits, int data_bits,
266 enum snd_soc_control_type control);
266 struct snd_soc_dai_driver *dai_drv, int num_dai);
267void snd_soc_unregister_codec(struct device *dev);
268int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, int reg);
269int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec,
270 int addr_bits, int data_bits,
271 enum snd_soc_control_type control);
272int snd_soc_cache_sync(struct snd_soc_codec *codec);
273int snd_soc_cache_init(struct snd_soc_codec *codec);
274int snd_soc_cache_exit(struct snd_soc_codec *codec);
275int snd_soc_cache_write(struct snd_soc_codec *codec,
276 unsigned int reg, unsigned int value);
277int snd_soc_cache_read(struct snd_soc_codec *codec,
278 unsigned int reg, unsigned int *value);
267
268/* Utility functions to get clock rates from various things */
269int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
270int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
271int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
272int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
273
274/* set runtime hw params */

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415 int (*startup)(struct snd_pcm_substream *);
416 void (*shutdown)(struct snd_pcm_substream *);
417 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
418 int (*hw_free)(struct snd_pcm_substream *);
419 int (*prepare)(struct snd_pcm_substream *);
420 int (*trigger)(struct snd_pcm_substream *, int);
421};
422
279
280/* Utility functions to get clock rates from various things */
281int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
282int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
283int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
284int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
285
286/* set runtime hw params */

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427 int (*startup)(struct snd_pcm_substream *);
428 void (*shutdown)(struct snd_pcm_substream *);
429 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
430 int (*hw_free)(struct snd_pcm_substream *);
431 int (*prepare)(struct snd_pcm_substream *);
432 int (*trigger)(struct snd_pcm_substream *, int);
433};
434
435/* SoC cache ops */
436struct snd_soc_cache_ops {
437 const char *name;
438 enum snd_soc_compress_type id;
439 int (*init)(struct snd_soc_codec *codec);
440 int (*exit)(struct snd_soc_codec *codec);
441 int (*read)(struct snd_soc_codec *codec, unsigned int reg,
442 unsigned int *value);
443 int (*write)(struct snd_soc_codec *codec, unsigned int reg,
444 unsigned int value);
445 int (*sync)(struct snd_soc_codec *codec);
446};
447
423/* SoC Audio Codec device */
424struct snd_soc_codec {
425 const char *name;
448/* SoC Audio Codec device */
449struct snd_soc_codec {
450 const char *name;
451 const char *name_prefix;
426 int id;
427 struct device *dev;
452 int id;
453 struct device *dev;
428 struct snd_soc_codec_driver *driver;
454 const struct snd_soc_codec_driver *driver;
429
430 struct mutex mutex;
431 struct snd_soc_card *card;
432 struct list_head list;
433 struct list_head card_list;
434 int num_dai;
455
456 struct mutex mutex;
457 struct snd_soc_card *card;
458 struct list_head list;
459 struct list_head card_list;
460 int num_dai;
461 enum snd_soc_compress_type compress_type;
435
436 /* runtime */
437 struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */
438 unsigned int active;
462
463 /* runtime */
464 struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */
465 unsigned int active;
439 unsigned int idle_bias_off:1; /* Use BIAS_OFF instead of STANDBY */
440 unsigned int cache_only:1; /* Suppress writes to hardware */
441 unsigned int cache_sync:1; /* Cache needs to be synced to hardware */
442 unsigned int suspended:1; /* Codec is in suspend PM state */
443 unsigned int probed:1; /* Codec has been probed */
444 unsigned int ac97_registered:1; /* Codec has been AC97 registered */
445 unsigned int ac97_created:1; /* Codec has been created by SoC */
446 unsigned int sysfs_registered:1; /* codec has been sysfs registered */
466 unsigned int cache_only:1; /* Suppress writes to hardware */
467 unsigned int cache_sync:1; /* Cache needs to be synced to hardware */
468 unsigned int suspended:1; /* Codec is in suspend PM state */
469 unsigned int probed:1; /* Codec has been probed */
470 unsigned int ac97_registered:1; /* Codec has been AC97 registered */
471 unsigned int ac97_created:1; /* Codec has been created by SoC */
472 unsigned int sysfs_registered:1; /* codec has been sysfs registered */
473 unsigned int cache_init:1; /* codec cache has been initialized */
447
448 /* codec IO */
449 void *control_data; /* codec control (i2c/3wire) data */
450 hw_write_t hw_write;
451 unsigned int (*hw_read)(struct snd_soc_codec *, unsigned int);
474
475 /* codec IO */
476 void *control_data; /* codec control (i2c/3wire) data */
477 hw_write_t hw_write;
478 unsigned int (*hw_read)(struct snd_soc_codec *, unsigned int);
479 unsigned int (*read)(struct snd_soc_codec *, unsigned int);
480 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
452 void *reg_cache;
481 void *reg_cache;
482 const void *reg_def_copy;
483 const struct snd_soc_cache_ops *cache_ops;
484 struct mutex cache_rw_mutex;
453
454 /* dapm */
485
486 /* dapm */
455 u32 pop_time;
456 struct list_head dapm_widgets;
457 struct list_head dapm_paths;
458 enum snd_soc_bias_level bias_level;
459 enum snd_soc_bias_level suspend_bias_level;
460 struct delayed_work delayed_work;
487 struct snd_soc_dapm_context dapm;
461
462#ifdef CONFIG_DEBUG_FS
463 struct dentry *debugfs_codec_root;
464 struct dentry *debugfs_reg;
488
489#ifdef CONFIG_DEBUG_FS
490 struct dentry *debugfs_codec_root;
491 struct dentry *debugfs_reg;
465 struct dentry *debugfs_pop_time;
466 struct dentry *debugfs_dapm;
467#endif
468};
469
470/* codec driver */
471struct snd_soc_codec_driver {
472
473 /* driver ops */

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483 int (*display_register)(struct snd_soc_codec *, char *,
484 size_t, unsigned int);
485 int (*volatile_register)(unsigned int);
486 int (*readable_register)(unsigned int);
487 short reg_cache_size;
488 short reg_cache_step;
489 short reg_word_size;
490 const void *reg_cache_default;
492 struct dentry *debugfs_dapm;
493#endif
494};
495
496/* codec driver */
497struct snd_soc_codec_driver {
498
499 /* driver ops */

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509 int (*display_register)(struct snd_soc_codec *, char *,
510 size_t, unsigned int);
511 int (*volatile_register)(unsigned int);
512 int (*readable_register)(unsigned int);
513 short reg_cache_size;
514 short reg_cache_step;
515 short reg_word_size;
516 const void *reg_cache_default;
517 enum snd_soc_compress_type compress_type;
491
492 /* codec bias level */
493 int (*set_bias_level)(struct snd_soc_codec *,
494 enum snd_soc_bias_level level);
495};
496
497/* SoC platform interface */
498struct snd_soc_platform_driver {

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549
550 /* codec/machine specific init - e.g. add machine controls */
551 int (*init)(struct snd_soc_pcm_runtime *rtd);
552
553 /* machine stream operations */
554 struct snd_soc_ops *ops;
555};
556
518
519 /* codec bias level */
520 int (*set_bias_level)(struct snd_soc_codec *,
521 enum snd_soc_bias_level level);
522};
523
524/* SoC platform interface */
525struct snd_soc_platform_driver {

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576
577 /* codec/machine specific init - e.g. add machine controls */
578 int (*init)(struct snd_soc_pcm_runtime *rtd);
579
580 /* machine stream operations */
581 struct snd_soc_ops *ops;
582};
583
584struct snd_soc_codec_conf {
585 const char *dev_name;
586
587 /*
588 * optional map of kcontrol, widget and path name prefixes that are
589 * associated per device
590 */
591 const char *name_prefix;
592
593 /*
594 * set this to the desired compression type if you want to
595 * override the one supplied in codec->driver->compress_type
596 */
597 enum snd_soc_compress_type compress_type;
598};
599
600struct snd_soc_aux_dev {
601 const char *name; /* Codec name */
602 const char *codec_name; /* for multi-codec */
603
604 /* codec/machine specific init - e.g. add machine controls */
605 int (*init)(struct snd_soc_dapm_context *dapm);
606};
607
557/* SoC card */
558struct snd_soc_card {
559 const char *name;
560 struct device *dev;
561 struct snd_card *snd_card;
562 struct module *owner;
563
564 struct list_head list;

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574 int (*suspend_pre)(struct platform_device *pdev, pm_message_t state);
575 int (*suspend_post)(struct platform_device *pdev, pm_message_t state);
576 int (*resume_pre)(struct platform_device *pdev);
577 int (*resume_post)(struct platform_device *pdev);
578
579 /* callbacks */
580 int (*set_bias_level)(struct snd_soc_card *,
581 enum snd_soc_bias_level level);
608/* SoC card */
609struct snd_soc_card {
610 const char *name;
611 struct device *dev;
612 struct snd_card *snd_card;
613 struct module *owner;
614
615 struct list_head list;

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625 int (*suspend_pre)(struct platform_device *pdev, pm_message_t state);
626 int (*suspend_post)(struct platform_device *pdev, pm_message_t state);
627 int (*resume_pre)(struct platform_device *pdev);
628 int (*resume_post)(struct platform_device *pdev);
629
630 /* callbacks */
631 int (*set_bias_level)(struct snd_soc_card *,
632 enum snd_soc_bias_level level);
633 int (*set_bias_level_post)(struct snd_soc_card *,
634 enum snd_soc_bias_level level);
582
583 long pmdown_time;
584
585 /* CPU <--> Codec DAI links */
586 struct snd_soc_dai_link *dai_link;
587 int num_links;
588 struct snd_soc_pcm_runtime *rtd;
589 int num_rtd;
590
635
636 long pmdown_time;
637
638 /* CPU <--> Codec DAI links */
639 struct snd_soc_dai_link *dai_link;
640 int num_links;
641 struct snd_soc_pcm_runtime *rtd;
642 int num_rtd;
643
644 /* optional codec specific configuration */
645 struct snd_soc_codec_conf *codec_conf;
646 int num_configs;
647
648 /*
649 * optional auxiliary devices such as amplifiers or codecs with DAI
650 * link unused
651 */
652 struct snd_soc_aux_dev *aux_dev;
653 int num_aux_devs;
654 struct snd_soc_pcm_runtime *rtd_aux;
655 int num_aux_rtd;
656
591 struct work_struct deferred_resume_work;
592
593 /* lists of probed devices belonging to this card */
594 struct list_head codec_dev_list;
595 struct list_head platform_dev_list;
596 struct list_head dai_dev_list;
657 struct work_struct deferred_resume_work;
658
659 /* lists of probed devices belonging to this card */
660 struct list_head codec_dev_list;
661 struct list_head platform_dev_list;
662 struct list_head dai_dev_list;
663
664 struct list_head paths;
665
666#ifdef CONFIG_DEBUG_FS
667 struct dentry *debugfs_card_root;
668 struct dentry *debugfs_pop_time;
669#endif
670 u32 pop_time;
597};
598
599/* SoC machine DAI configuration, glues a codec and cpu DAI together */
600struct snd_soc_pcm_runtime {
601 struct device dev;
602 struct snd_soc_card *card;
603 struct snd_soc_dai_link *dai_link;
604

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634 unsigned int max;
635 unsigned int mask;
636 const char **texts;
637 const unsigned int *values;
638 void *dapm;
639};
640
641/* codec IO */
671};
672
673/* SoC machine DAI configuration, glues a codec and cpu DAI together */
674struct snd_soc_pcm_runtime {
675 struct device dev;
676 struct snd_soc_card *card;
677 struct snd_soc_dai_link *dai_link;
678

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708 unsigned int max;
709 unsigned int mask;
710 const char **texts;
711 const unsigned int *values;
712 void *dapm;
713};
714
715/* codec IO */
642static inline unsigned int snd_soc_read(struct snd_soc_codec *codec,
643 unsigned int reg)
644{
645 return codec->driver->read(codec, reg);
646}
716unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg);
717unsigned int snd_soc_write(struct snd_soc_codec *codec,
718 unsigned int reg, unsigned int val);
647
719
648static inline unsigned int snd_soc_write(struct snd_soc_codec *codec,
649 unsigned int reg, unsigned int val)
650{
651 return codec->driver->write(codec, reg, val);
652}
653
654/* device driver data */
655
656static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec,
657 void *data)
658{
659 dev_set_drvdata(codec->dev, data);
660}
661

--- 30 unchanged lines hidden --- 		720/* device driver data */
721
722static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec,
723 void *data)
724{
725 dev_set_drvdata(codec->dev, data);
726}
727

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