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path: root/sound/pci/hda/hda_codec.h
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Diffstat (limited to 'sound/pci/hda/hda_codec.h')
-rw-r--r--sound/pci/hda/hda_codec.h107
1 files changed, 92 insertions, 15 deletions
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index 60468f5..729fc764 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 */
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