From 7f4a9f43427793bfe4d42e71f42e2b551bcfe354 Mon Sep 17 00:00:00 2001 From: Wu Fengguang Date: Tue, 18 Nov 2008 11:47:52 +0800 Subject: 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 Signed-off-by: Takashi Iwai --- sound/pci/hda/hda_local.h | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) (limited to 'sound/pci/hda/hda_local.h') diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h index d7e3a164eff..e1b76686672 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 */ -- cgit v1.2.3-70-g09d2