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| author | Wu Fengguang <wfg@linux.intel.com> | 2008-11-18 06:47:52 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2008-11-18 09:39:03 +0300 |
| commit | 7f4a9f43427793bfe4d42e71f42e2b551bcfe354 (patch) | |
| tree | 32fac4e6b2c84e79231345ed5dc6f7c76c37a6cb /sound/pci/hda/hda_local.h | |
| parent | 33deeca3bb6a945677d70876ea9d044fc5797eb3 (diff) | |
| download | linux-7f4a9f43427793bfe4d42e71f42e2b551bcfe354.tar.xz | |
ALSA: create hda_eld.c for ELD routines and proc interface
ELD handling routines can be shared by all HDMI codecs,
and they are large enough to make a standalone source file.
Signed-off-by: Wu Fengguang <wfg@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/hda/hda_local.h')
| -rw-r--r-- | sound/pci/hda/hda_local.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h index d7e3a164effe..e1b76686672a 100644 --- a/sound/pci/hda/hda_local.h +++ b/sound/pci/hda/hda_local.h @@ -443,4 +443,45 @@ int snd_hda_check_amp_list_power(struct hda_codec *codec, #define get_amp_direction(kc) (((kc)->private_value >> 18) & 0x1) #define get_amp_index(kc) (((kc)->private_value >> 19) & 0xf) +/* + * CEA Short Audio Descriptor data + */ +struct cea_sad { + int channels; + int format; /* (format == 0) indicates invalid SAD */ + int rates; + int sample_bits; /* for LPCM */ + int max_bitrate; /* for AC3...ATRAC */ + int profile; /* for WMAPRO */ +}; + +#define ELD_FIXED_BYTES 20 +#define ELD_MAX_MNL 16 +#define ELD_MAX_SAD 16 + +/* + * ELD: EDID Like Data + */ +struct sink_eld { + int eld_size; + int baseline_len; + int eld_ver; /* (eld_ver == 0) indicates invalid ELD */ + int cea_edid_ver; + char monitor_name[ELD_MAX_MNL + 1]; + int manufacture_id; + int product_id; + u64 port_id; + int support_hdcp; + int support_ai; + int conn_type; + int aud_synch_delay; + int spk_alloc; + int sad_count; + struct cea_sad sad[ELD_MAX_SAD]; +}; + +int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid); +int snd_hdmi_get_eld(struct sink_eld *, struct hda_codec *, hda_nid_t); +void snd_hdmi_show_eld(struct sink_eld *eld); + #endif /* __SOUND_HDA_LOCAL_H */ |