diff options
Diffstat (limited to 'sound/pci/hda/hda_codec.h')
| -rw-r--r-- | sound/pci/hda/hda_codec.h | 107 |
1 files changed, 92 insertions, 15 deletions
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h index 60468f56240..729fc7642d7 100644 --- a/sound/pci/hda/hda_codec.h +++ b/sound/pci/hda/hda_codec.h @@ -520,6 +520,36 @@ enum { #define HDA_MAX_CODEC_ADDRESS 0x0f /* + * generic arrays + */ +struct snd_array { + unsigned int used; + unsigned int alloced; + unsigned int elem_size; + unsigned int alloc_align; + void *list; +}; + +void *snd_array_new(struct snd_array *array); +void snd_array_free(struct snd_array *array); +static inline void snd_array_init(struct snd_array *array, unsigned int size, + unsigned int align) +{ + array->elem_size = size; + array->alloc_align = align; +} + +static inline void *snd_array_elem(struct snd_array *array, unsigned int idx) +{ + return array->list + idx * array->elem_size; +} + +static inline unsigned int snd_array_index(struct snd_array *array, void *ptr) +{ + return (unsigned long)(ptr - array->list) / array->elem_size; +} + +/* * Structures */ @@ -536,15 +566,17 @@ typedef u16 hda_nid_t; /* bus operators */ struct hda_bus_ops { /* send a single command */ - int (*command)(struct hda_codec *codec, hda_nid_t nid, int direct, - unsigned int verb, unsigned int parm); + int (*command)(struct hda_bus *bus, unsigned int cmd); /* get a response from the last command */ - unsigned int (*get_response)(struct hda_codec *codec); + unsigned int (*get_response)(struct hda_bus *bus); /* free the private data */ void (*private_free)(struct hda_bus *); + /* attach a PCM stream */ + int (*attach_pcm)(struct hda_bus *bus, struct hda_codec *codec, + struct hda_pcm *pcm); #ifdef CONFIG_SND_HDA_POWER_SAVE /* notify power-up/down from codec to controller */ - void (*pm_notify)(struct hda_codec *codec); + void (*pm_notify)(struct hda_bus *bus); #endif }; @@ -553,6 +585,7 @@ struct hda_bus_template { void *private_data; struct pci_dev *pci; const char *modelname; + int *power_save; struct hda_bus_ops ops; }; @@ -569,6 +602,7 @@ struct hda_bus { void *private_data; struct pci_dev *pci; const char *modelname; + int *power_save; struct hda_bus_ops ops; /* codec linked list */ @@ -581,10 +615,12 @@ struct hda_bus { /* unsolicited event queue */ struct hda_bus_unsolicited *unsol; - struct snd_info_entry *proc; + /* assigned PCMs */ + DECLARE_BITMAP(pcm_dev_bits, SNDRV_PCM_DEVICES); /* misc op flags */ unsigned int needs_damn_long_delay :1; + unsigned int shutdown :1; /* being unloaded */ }; /* @@ -604,6 +640,16 @@ struct hda_codec_preset { int (*patch)(struct hda_codec *codec); }; +struct hda_codec_preset_list { + const struct hda_codec_preset *preset; + struct module *owner; + struct list_head list; +}; + +/* initial hook */ +int snd_hda_add_codec_preset(struct hda_codec_preset_list *preset); +int snd_hda_delete_codec_preset(struct hda_codec_preset_list *preset); + /* ops set by the preset patch */ struct hda_codec_ops { int (*build_controls)(struct hda_codec *codec); @@ -635,10 +681,7 @@ struct hda_amp_info { struct hda_cache_rec { u16 hash[64]; /* hash table for index */ - unsigned int num_entries; /* number of assigned entries */ - unsigned int size; /* allocated size */ - unsigned int record_size; /* record size (including header) */ - void *buffer; /* hash table entries */ + struct snd_array buf; /* record entries */ }; /* PCM callbacks */ @@ -680,7 +723,8 @@ struct hda_pcm { char *name; struct hda_pcm_stream stream[2]; unsigned int pcm_type; /* HDA_PCM_TYPE_XXX */ - int device; /* assigned device number */ + int device; /* device number to assign */ + struct snd_pcm *pcm; /* assigned PCM instance */ }; /* codec information */ @@ -699,6 +743,9 @@ struct hda_codec { /* detected preset */ const struct hda_codec_preset *preset; + struct module *owner; + const char *name; /* codec name */ + const char *modelname; /* model name for preset */ /* set by patch */ struct hda_codec_ops patch_ops; @@ -718,6 +765,8 @@ struct hda_codec { hda_nid_t start_nid; u32 *wcaps; + struct snd_array mixers; /* list of assigned mixer elements */ + struct hda_cache_rec amp_cache; /* cache for amp access */ struct hda_cache_rec cmd_cache; /* cache for other commands */ @@ -727,7 +776,11 @@ struct hda_codec { unsigned int spdif_in_enable; /* SPDIF input enable? */ hda_nid_t *slave_dig_outs; /* optional digital out slave widgets */ +#ifdef CONFIG_SND_HDA_HWDEP struct snd_hwdep *hwdep; /* assigned hwdep device */ + struct snd_array init_verbs; /* additional init verbs */ + struct snd_array hints; /* additional hints */ +#endif /* misc flags */ unsigned int spdif_status_reset :1; /* needs to toggle SPDIF for each @@ -740,6 +793,10 @@ struct hda_codec { int power_count; /* current (global) power refcount */ struct delayed_work power_work; /* delayed task for powerdown */ #endif + + /* codec-specific additional proc output */ + void (*proc_widget_hook)(struct snd_info_buffer *buffer, + struct hda_codec *codec, hda_nid_t nid); }; /* direction */ @@ -754,7 +811,7 @@ enum { int snd_hda_bus_new(struct snd_card *card, const struct hda_bus_template *temp, struct hda_bus **busp); int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, - struct hda_codec **codecp); + int do_init, struct hda_codec **codecp); /* * low level functions @@ -799,11 +856,13 @@ void snd_hda_codec_resume_cache(struct hda_codec *codec); * Mixer */ int snd_hda_build_controls(struct hda_bus *bus); +int snd_hda_codec_build_controls(struct hda_codec *codec); /* * PCM */ int snd_hda_build_pcms(struct hda_bus *bus); +int snd_hda_codec_build_pcms(struct hda_codec *codec); void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, u32 stream_tag, int channel_id, int format); @@ -812,8 +871,6 @@ unsigned int snd_hda_calc_stream_format(unsigned int rate, unsigned int channels, unsigned int format, unsigned int maxbps); -int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid, - u32 *ratesp, u64 *formatsp, unsigned int *bpsp); int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid, unsigned int format); @@ -831,18 +888,38 @@ int snd_hda_resume(struct hda_bus *bus); #endif /* + * get widget information + */ +const char *snd_hda_get_jack_connectivity(u32 cfg); +const char *snd_hda_get_jack_type(u32 cfg); +const char *snd_hda_get_jack_location(u32 cfg); + +/* * power saving */ #ifdef CONFIG_SND_HDA_POWER_SAVE void snd_hda_power_up(struct hda_codec *codec); void snd_hda_power_down(struct hda_codec *codec); #define snd_hda_codec_needs_resume(codec) codec->power_count -int snd_hda_codecs_inuse(struct hda_bus *bus); #else static inline void snd_hda_power_up(struct hda_codec *codec) {} static inline void snd_hda_power_down(struct hda_codec *codec) {} #define snd_hda_codec_needs_resume(codec) 1 -#define snd_hda_codecs_inuse(bus) 1 +#endif + +/* + * Codec modularization + */ + +/* Export symbols only for communication with codec drivers; + * When built in kernel, all HD-audio drivers are supposed to be statically + * linked to the kernel. Thus, the symbols don't have to (or shouldn't) be + * exported unless it's built as a module. + */ +#ifdef MODULE +#define EXPORT_SYMBOL_HDA(sym) EXPORT_SYMBOL_GPL(sym) +#else +#define EXPORT_SYMBOL_HDA(sym) #endif #endif /* __SOUND_HDA_CODEC_H */ |