hda_eld.c File Reference

#include <linux/init.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <asm/unaligned.h>
#include "hda_codec.h"
#include "hda_local.h"

Go to the source code of this file.

Macros
#define	GRAB_BITS(buf, byte, lowbit, bits)
#define	SND_PRINT_RATES_ADVISED_BUFSIZE   80

Enumerations
enum	eld_versions { ELD_VER_CEA_861D = 2, ELD_VER_PARTIAL = 31 }
enum	cea_edid_versions {   CEA_EDID_VER_NONE = 0, CEA_EDID_VER_CEA861 = 1, CEA_EDID_VER_CEA861A = 2, CEA_EDID_VER_CEA861BCD = 3,   CEA_EDID_VER_RESERVED = 4 }
enum	cea_audio_coding_types {   AUDIO_CODING_TYPE_REF_STREAM_HEADER = 0, AUDIO_CODING_TYPE_LPCM = 1, AUDIO_CODING_TYPE_AC3 = 2, AUDIO_CODING_TYPE_MPEG1 = 3,   AUDIO_CODING_TYPE_MP3 = 4, AUDIO_CODING_TYPE_MPEG2 = 5, AUDIO_CODING_TYPE_AACLC = 6, AUDIO_CODING_TYPE_DTS = 7,   AUDIO_CODING_TYPE_ATRAC = 8, AUDIO_CODING_TYPE_SACD = 9, AUDIO_CODING_TYPE_EAC3 = 10, AUDIO_CODING_TYPE_DTS_HD = 11,   AUDIO_CODING_TYPE_MLP = 12, AUDIO_CODING_TYPE_DST = 13, AUDIO_CODING_TYPE_WMAPRO = 14, AUDIO_CODING_TYPE_REF_CXT = 15,   AUDIO_CODING_TYPE_HE_AAC = 15, AUDIO_CODING_TYPE_HE_AAC2 = 16, AUDIO_CODING_TYPE_MPEG_SURROUND = 17 }
enum	cea_audio_coding_xtypes {   AUDIO_CODING_XTYPE_HE_REF_CT = 0, AUDIO_CODING_XTYPE_HE_AAC = 1, AUDIO_CODING_XTYPE_HE_AAC2 = 2, AUDIO_CODING_XTYPE_MPEG_SURROUND = 3,   AUDIO_CODING_XTYPE_FIRST_RESERVED = 4 }

Functions
int	snd_hdmi_get_eld_size (struct hda_codec *codec, hda_nid_t nid)
int	snd_hdmi_get_eld (struct hdmi_eld *eld, struct hda_codec *codec, hda_nid_t nid)
void	snd_print_channel_allocation (int spk_alloc, char *buf, int buflen)
void	snd_hdmi_show_eld (struct hdmi_eld *e)
void	snd_hdmi_eld_update_pcm_info (struct hdmi_eld *eld, struct hda_pcm_stream *hinfo)

Macro Definition Documentation

#define GRAB_BITS	(		buf,
			byte,
			lowbit,
			bits
	)

Value:

({                          \
    BUILD_BUG_ON(lowbit > 7);           \
    BUILD_BUG_ON(bits > 8);             \
    BUILD_BUG_ON(bits <= 0);            \
                            \
    (buf[byte] >> (lowbit)) & ((1 << (bits)) - 1);  \
})

Definition at line 160 of file hda_eld.c.

#define SND_PRINT_RATES_ADVISED_BUFSIZE   80

Definition at line 401 of file hda_eld.c.

Enumeration Type Documentation

enum cea_audio_coding_types

Enumerator:

AUDIO_CODING_TYPE_REF_STREAM_HEADER
AUDIO_CODING_TYPE_LPCM
AUDIO_CODING_TYPE_AC3
AUDIO_CODING_TYPE_MPEG1
AUDIO_CODING_TYPE_MP3
AUDIO_CODING_TYPE_MPEG2
AUDIO_CODING_TYPE_AACLC
AUDIO_CODING_TYPE_DTS
AUDIO_CODING_TYPE_ATRAC
AUDIO_CODING_TYPE_SACD
AUDIO_CODING_TYPE_EAC3
AUDIO_CODING_TYPE_DTS_HD
AUDIO_CODING_TYPE_MLP
AUDIO_CODING_TYPE_DST
AUDIO_CODING_TYPE_WMAPRO
AUDIO_CODING_TYPE_REF_CXT
AUDIO_CODING_TYPE_HE_AAC
AUDIO_CODING_TYPE_HE_AAC2
AUDIO_CODING_TYPE_MPEG_SURROUND

Definition at line 65 of file hda_eld.c.

enum cea_audio_coding_xtypes

Enumerator:

AUDIO_CODING_XTYPE_HE_REF_CT
AUDIO_CODING_XTYPE_HE_AAC
AUDIO_CODING_XTYPE_HE_AAC2
AUDIO_CODING_XTYPE_MPEG_SURROUND
AUDIO_CODING_XTYPE_FIRST_RESERVED

Definition at line 88 of file hda_eld.c.

enum cea_edid_versions

Enumerator:

CEA_EDID_VER_NONE
CEA_EDID_VER_CEA861
CEA_EDID_VER_CEA861A
CEA_EDID_VER_CEA861BCD
CEA_EDID_VER_RESERVED

Definition at line 36 of file hda_eld.c.

enum eld_versions

Enumerator:

ELD_VER_CEA_861D
ELD_VER_PARTIAL

Definition at line 31 of file hda_eld.c.

Function Documentation

void snd_hdmi_eld_update_pcm_info	(	struct hdmi_eld *	eld,
		struct hda_pcm_stream *	hinfo
	)

Definition at line 630 of file hda_eld.c.

int snd_hdmi_get_eld	(	struct hdmi_eld *	eld,
		struct hda_codec *	codec,
		hda_nid_t	nid
	)

Definition at line 321 of file hda_eld.c.

int snd_hdmi_get_eld_size	(	struct hda_codec *	codec,
		hda_nid_t	nid
	)

Definition at line 315 of file hda_eld.c.

void snd_hdmi_show_eld

(

struct hdmi_eld *

e

)

Definition at line 441 of file hda_eld.c.

void snd_print_channel_allocation	(	int	spk_alloc,
		char *	buf,
		int	buflen
	)

Definition at line 429 of file hda_eld.c.