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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.h113
1 files changed, 88 insertions, 25 deletions
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index 56c26e7ccdf1..2bce925d84ef 100644
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -24,6 +24,11 @@
#include <sound/info.h>
#include <sound/control.h>
#include <sound/pcm.h>
+#include <sound/hwdep.h>
+
+#if defined(CONFIG_PM) || defined(CONFIG_SND_HDA_POWER_SAVE)
+#define SND_HDA_NEEDS_RESUME /* resume control code is required */
+#endif
/*
* nodes
@@ -199,7 +204,9 @@ enum {
#define AC_AMPCAP_OFFSET_SHIFT 0
#define AC_AMPCAP_NUM_STEPS (0x7f<<8) /* number of steps */
#define AC_AMPCAP_NUM_STEPS_SHIFT 8
-#define AC_AMPCAP_STEP_SIZE (0x7f<<16) /* step size 0-32dB in 0.25dB */
+#define AC_AMPCAP_STEP_SIZE (0x7f<<16) /* step size 0-32dB
+ * in 0.25dB
+ */
#define AC_AMPCAP_STEP_SIZE_SHIFT 16
#define AC_AMPCAP_MUTE (1<<31) /* mute capable */
#define AC_AMPCAP_MUTE_SHIFT 31
@@ -409,6 +416,10 @@ struct hda_bus_ops {
unsigned int (*get_response)(struct hda_codec *codec);
/* free the private data */
void (*private_free)(struct hda_bus *);
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+ /* notify power-up/down from codec to contoller */
+ void (*pm_notify)(struct hda_codec *codec);
+#endif
};
/* template to pass to the bus constructor */
@@ -436,7 +447,8 @@ struct hda_bus {
/* codec linked list */
struct list_head codec_list;
- struct hda_codec *caddr_tbl[HDA_MAX_CODEC_ADDRESS + 1]; /* caddr -> codec */
+ /* link caddr -> codec */
+ struct hda_codec *caddr_tbl[HDA_MAX_CODEC_ADDRESS + 1];
struct mutex cmd_mutex;
@@ -469,19 +481,34 @@ struct hda_codec_ops {
int (*init)(struct hda_codec *codec);
void (*free)(struct hda_codec *codec);
void (*unsol_event)(struct hda_codec *codec, unsigned int res);
-#ifdef CONFIG_PM
+#ifdef SND_HDA_NEEDS_RESUME
int (*suspend)(struct hda_codec *codec, pm_message_t state);
int (*resume)(struct hda_codec *codec);
#endif
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+ int (*check_power_status)(struct hda_codec *codec, hda_nid_t nid);
+#endif
};
/* record for amp information cache */
-struct hda_amp_info {
+struct hda_cache_head {
u32 key; /* hash key */
+ u16 val; /* assigned value */
+ u16 next; /* next link; -1 = terminal */
+};
+
+struct hda_amp_info {
+ struct hda_cache_head head;
u32 amp_caps; /* amp capabilities */
u16 vol[2]; /* current volume & mute */
- u16 status; /* update flag */
- u16 next; /* next link */
+};
+
+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 */
};
/* PCM callbacks */
@@ -499,7 +526,7 @@ struct hda_pcm_ops {
/* PCM information for each substream */
struct hda_pcm_stream {
- unsigned int substreams; /* number of substreams, 0 = not exist */
+ unsigned int substreams; /* number of substreams, 0 = not exist*/
unsigned int channels_min; /* min. number of channels */
unsigned int channels_max; /* max. number of channels */
hda_nid_t nid; /* default NID to query rates/formats/bps, or set up */
@@ -536,11 +563,6 @@ struct hda_codec {
/* set by patch */
struct hda_codec_ops patch_ops;
- /* resume phase - all controls should update even if
- * the values are not changed
- */
- unsigned int in_resume;
-
/* PCM to create, set by patch_ops.build_pcms callback */
unsigned int num_pcms;
struct hda_pcm *pcm_info;
@@ -553,16 +575,22 @@ struct hda_codec {
hda_nid_t start_nid;
u32 *wcaps;
- /* hash for amp access */
- u16 amp_hash[32];
- int num_amp_entries;
- int amp_info_size;
- struct hda_amp_info *amp_info;
+ struct hda_cache_rec amp_cache; /* cache for amp access */
+ struct hda_cache_rec cmd_cache; /* cache for other commands */
struct mutex spdif_mutex;
unsigned int spdif_status; /* IEC958 status bits */
unsigned short spdif_ctls; /* SPDIF control bits */
unsigned int spdif_in_enable; /* SPDIF input enable? */
+
+ struct snd_hwdep *hwdep; /* assigned hwdep device */
+
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+ unsigned int power_on :1; /* current (global) power-state */
+ unsigned int power_transition :1; /* power-state in transition */
+ int power_count; /* current (global) power refcount */
+ struct delayed_work power_work; /* delayed task for powerdown */
+#endif
};
/* direction */
@@ -582,13 +610,17 @@ int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
/*
* low level functions
*/
-unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid, int direct,
+unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
+ int direct,
unsigned int verb, unsigned int parm);
int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
unsigned int verb, unsigned int parm);
-#define snd_hda_param_read(codec, nid, param) snd_hda_codec_read(codec, nid, 0, AC_VERB_PARAMETERS, param)
-int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid, hda_nid_t *start_id);
-int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid, hda_nid_t *conn_list, int max_conns);
+#define snd_hda_param_read(codec, nid, param) \
+ snd_hda_codec_read(codec, nid, 0, AC_VERB_PARAMETERS, param)
+int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
+ hda_nid_t *start_id);
+int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
+ hda_nid_t *conn_list, int max_conns);
struct hda_verb {
hda_nid_t nid;
@@ -596,11 +628,24 @@ struct hda_verb {
u32 param;
};
-void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq);
+void snd_hda_sequence_write(struct hda_codec *codec,
+ const struct hda_verb *seq);
/* unsolicited event */
int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex);
+/* cached write */
+#ifdef SND_HDA_NEEDS_RESUME
+int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
+ int direct, unsigned int verb, unsigned int parm);
+void snd_hda_sequence_write_cache(struct hda_codec *codec,
+ const struct hda_verb *seq);
+void snd_hda_codec_resume_cache(struct hda_codec *codec);
+#else
+#define snd_hda_codec_write_cache snd_hda_codec_write
+#define snd_hda_sequence_write_cache snd_hda_sequence_write
+#endif
+
/*
* Mixer
*/
@@ -610,10 +655,13 @@ int snd_hda_build_controls(struct hda_bus *bus);
* PCM
*/
int snd_hda_build_pcms(struct hda_bus *bus);
-void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, u32 stream_tag,
+void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
+ u32 stream_tag,
int channel_id, int format);
-unsigned int snd_hda_calc_stream_format(unsigned int rate, unsigned int channels,
- unsigned int format, unsigned int maxbps);
+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,
@@ -632,4 +680,19 @@ int snd_hda_suspend(struct hda_bus *bus, pm_message_t state);
int snd_hda_resume(struct hda_bus *bus);
#endif
+/*
+ * 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
+
#endif /* __SOUND_HDA_CODEC_H */
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-30 10:28:09 +0000