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-rw-r--r--include/sound/soc.h116
1 files changed, 92 insertions, 24 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 5c3bce83f28a..74921f20a1d8 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -222,10 +222,8 @@ enum snd_soc_bias_level {
222 222
223struct snd_jack; 223struct snd_jack;
224struct snd_soc_card; 224struct snd_soc_card;
225struct snd_soc_device;
226struct snd_soc_pcm_stream; 225struct snd_soc_pcm_stream;
227struct snd_soc_ops; 226struct snd_soc_ops;
228struct snd_soc_dai_mode;
229struct snd_soc_pcm_runtime; 227struct snd_soc_pcm_runtime;
230struct snd_soc_dai; 228struct snd_soc_dai;
231struct snd_soc_dai_driver; 229struct snd_soc_dai_driver;
@@ -235,9 +233,10 @@ struct snd_soc_platform_driver;
235struct snd_soc_codec; 233struct snd_soc_codec;
236struct snd_soc_codec_driver; 234struct snd_soc_codec_driver;
237struct soc_enum; 235struct soc_enum;
238struct snd_soc_ac97_ops;
239struct snd_soc_jack; 236struct snd_soc_jack;
240struct snd_soc_jack_pin; 237struct snd_soc_jack_pin;
238struct snd_soc_cache_ops;
239#include <sound/soc-dapm.h>
241 240
242#ifdef CONFIG_GPIOLIB 241#ifdef CONFIG_GPIOLIB
243struct snd_soc_jack_gpio; 242struct snd_soc_jack_gpio;
@@ -253,17 +252,30 @@ enum snd_soc_control_type {
253 SND_SOC_SPI, 252 SND_SOC_SPI,
254}; 253};
255 254
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, 261int snd_soc_register_platform(struct device *dev,
257 struct snd_soc_platform_driver *platform_drv); 262 struct snd_soc_platform_driver *platform_drv);
258void snd_soc_unregister_platform(struct device *dev); 263void snd_soc_unregister_platform(struct device *dev);
259int snd_soc_register_codec(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); 266 struct snd_soc_dai_driver *dai_drv, int num_dai);
262void snd_soc_unregister_codec(struct device *dev); 267void snd_soc_unregister_codec(struct device *dev);
263int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, int reg); 268int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, int reg);
264int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec, 269int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec,
265 int addr_bits, int data_bits, 270 int addr_bits, int data_bits,
266 enum snd_soc_control_type control); 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);
267 279
268/* Utility functions to get clock rates from various things */ 280/* Utility functions to get clock rates from various things */
269int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); 281int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
@@ -420,23 +432,37 @@ struct snd_soc_ops {
420 int (*trigger)(struct snd_pcm_substream *, int); 432 int (*trigger)(struct snd_pcm_substream *, int);
421}; 433};
422 434
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 */ 448/* SoC Audio Codec device */
424struct snd_soc_codec { 449struct snd_soc_codec {
425 const char *name; 450 const char *name;
451 const char *name_prefix;
426 int id; 452 int id;
427 struct device *dev; 453 struct device *dev;
428 struct snd_soc_codec_driver *driver; 454 const struct snd_soc_codec_driver *driver;
429 455
430 struct mutex mutex; 456 struct mutex mutex;
431 struct snd_soc_card *card; 457 struct snd_soc_card *card;
432 struct list_head list; 458 struct list_head list;
433 struct list_head card_list; 459 struct list_head card_list;
434 int num_dai; 460 int num_dai;
461 enum snd_soc_compress_type compress_type;
435 462
436 /* runtime */ 463 /* runtime */
437 struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */ 464 struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */
438 unsigned int active; 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 */ 466 unsigned int cache_only:1; /* Suppress writes to hardware */
441 unsigned int cache_sync:1; /* Cache needs to be synced to hardware */ 467 unsigned int cache_sync:1; /* Cache needs to be synced to hardware */
442 unsigned int suspended:1; /* Codec is in suspend PM state */ 468 unsigned int suspended:1; /* Codec is in suspend PM state */
@@ -444,25 +470,25 @@ struct snd_soc_codec {
444 unsigned int ac97_registered:1; /* Codec has been AC97 registered */ 470 unsigned int ac97_registered:1; /* Codec has been AC97 registered */
445 unsigned int ac97_created:1; /* Codec has been created by SoC */ 471 unsigned int ac97_created:1; /* Codec has been created by SoC */
446 unsigned int sysfs_registered:1; /* codec has been sysfs registered */ 472 unsigned int sysfs_registered:1; /* codec has been sysfs registered */
473 unsigned int cache_init:1; /* codec cache has been initialized */
447 474
448 /* codec IO */ 475 /* codec IO */
449 void *control_data; /* codec control (i2c/3wire) data */ 476 void *control_data; /* codec control (i2c/3wire) data */
450 hw_write_t hw_write; 477 hw_write_t hw_write;
451 unsigned int (*hw_read)(struct snd_soc_codec *, unsigned int); 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;
453 485
454 /* dapm */ 486 /* dapm */
455 u32 pop_time; 487 struct snd_soc_dapm_context dapm;
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;
461 488
462#ifdef CONFIG_DEBUG_FS 489#ifdef CONFIG_DEBUG_FS
463 struct dentry *debugfs_codec_root; 490 struct dentry *debugfs_codec_root;
464 struct dentry *debugfs_reg; 491 struct dentry *debugfs_reg;
465 struct dentry *debugfs_pop_time;
466 struct dentry *debugfs_dapm; 492 struct dentry *debugfs_dapm;
467#endif 493#endif
468}; 494};
@@ -488,6 +514,7 @@ struct snd_soc_codec_driver {
488 short reg_cache_step; 514 short reg_cache_step;
489 short reg_word_size; 515 short reg_word_size;
490 const void *reg_cache_default; 516 const void *reg_cache_default;
517 enum snd_soc_compress_type compress_type;
491 518
492 /* codec bias level */ 519 /* codec bias level */
493 int (*set_bias_level)(struct snd_soc_codec *, 520 int (*set_bias_level)(struct snd_soc_codec *,
@@ -554,6 +581,30 @@ struct snd_soc_dai_link {
554 struct snd_soc_ops *ops; 581 struct snd_soc_ops *ops;
555}; 582};
556 583
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 */ 608/* SoC card */
558struct snd_soc_card { 609struct snd_soc_card {
559 const char *name; 610 const char *name;
@@ -579,6 +630,8 @@ struct snd_soc_card {
579 /* callbacks */ 630 /* callbacks */
580 int (*set_bias_level)(struct snd_soc_card *, 631 int (*set_bias_level)(struct snd_soc_card *,
581 enum snd_soc_bias_level level); 632 enum snd_soc_bias_level level);
633 int (*set_bias_level_post)(struct snd_soc_card *,
634 enum snd_soc_bias_level level);
582 635
583 long pmdown_time; 636 long pmdown_time;
584 637
@@ -588,12 +641,35 @@ struct snd_soc_card {
588 struct snd_soc_pcm_runtime *rtd; 641 struct snd_soc_pcm_runtime *rtd;
589 int num_rtd; 642 int num_rtd;
590 643
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; 657 struct work_struct deferred_resume_work;
592 658
593 /* lists of probed devices belonging to this card */ 659 /* lists of probed devices belonging to this card */
594 struct list_head codec_dev_list; 660 struct list_head codec_dev_list;
595 struct list_head platform_dev_list; 661 struct list_head platform_dev_list;
596 struct list_head dai_dev_list; 662 struct list_head dai_dev_list;
663
664 struct list_head widgets;
665 struct list_head paths;
666 struct list_head dapm_list;
667
668#ifdef CONFIG_DEBUG_FS
669 struct dentry *debugfs_card_root;
670 struct dentry *debugfs_pop_time;
671#endif
672 u32 pop_time;
597}; 673};
598 674
599/* SoC machine DAI configuration, glues a codec and cpu DAI together */ 675/* SoC machine DAI configuration, glues a codec and cpu DAI together */
@@ -639,17 +715,9 @@ struct soc_enum {
639}; 715};
640 716
641/* codec IO */ 717/* codec IO */
642static inline unsigned int snd_soc_read(struct snd_soc_codec *codec, 718unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg);
643 unsigned int reg) 719unsigned int snd_soc_write(struct snd_soc_codec *codec,
644{ 720 unsigned int reg, unsigned int val);
645 return codec->driver->read(codec, reg);
646}
647
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}
653 721
654/* device driver data */ 722/* device driver data */
655 723