drm_eld.h File Reference

#include <linux/types.h>

Include dependency graph for drm_eld.h:

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Macros
#define	DRM_ELD_HEADER_BLOCK_SIZE   4
#define	DRM_ELD_VER   0
#define	DRM_ELD_VER_SHIFT   3
#define	DRM_ELD_VER_MASK   (0x1f << 3)
#define	DRM_ELD_VER_CEA861D   (2 << 3) /* supports 861D or below */
#define	DRM_ELD_VER_CANNED   (0x1f << 3)
#define	DRM_ELD_BASELINE_ELD_LEN   2 /* in dwords! */
#define	DRM_ELD_CEA_EDID_VER_MNL   4
#define	DRM_ELD_CEA_EDID_VER_SHIFT   5
#define	DRM_ELD_CEA_EDID_VER_MASK   (7 << 5)
#define	DRM_ELD_CEA_EDID_VER_NONE   (0 << 5)
#define	DRM_ELD_CEA_EDID_VER_CEA861   (1 << 5)
#define	DRM_ELD_CEA_EDID_VER_CEA861A   (2 << 5)
#define	DRM_ELD_CEA_EDID_VER_CEA861BCD   (3 << 5)
#define	DRM_ELD_MNL_SHIFT   0
#define	DRM_ELD_MNL_MASK   (0x1f << 0)
#define	DRM_ELD_SAD_COUNT_CONN_TYPE   5
#define	DRM_ELD_SAD_COUNT_SHIFT   4
#define	DRM_ELD_SAD_COUNT_MASK   (0xf << 4)
#define	DRM_ELD_CONN_TYPE_SHIFT   2
#define	DRM_ELD_CONN_TYPE_MASK   (3 << 2)
#define	DRM_ELD_CONN_TYPE_HDMI   (0 << 2)
#define	DRM_ELD_CONN_TYPE_DP   (1 << 2)
#define	DRM_ELD_SUPPORTS_AI   (1 << 1)
#define	DRM_ELD_SUPPORTS_HDCP   (1 << 0)
#define	DRM_ELD_AUD_SYNCH_DELAY   6 /* in units of 2 ms */
#define	DRM_ELD_AUD_SYNCH_DELAY_MAX   0xfa /* 500 ms */
#define	DRM_ELD_SPEAKER   7
#define	DRM_ELD_SPEAKER_MASK   0x7f
#define	DRM_ELD_SPEAKER_RLRC   (1 << 6)
#define	DRM_ELD_SPEAKER_FLRC   (1 << 5)
#define	DRM_ELD_SPEAKER_RC   (1 << 4)
#define	DRM_ELD_SPEAKER_RLR   (1 << 3)
#define	DRM_ELD_SPEAKER_FC   (1 << 2)
#define	DRM_ELD_SPEAKER_LFE   (1 << 1)
#define	DRM_ELD_SPEAKER_FLR   (1 << 0)
#define	DRM_ELD_PORT_ID   8 /* offsets 8..15 inclusive */
#define	DRM_ELD_PORT_ID_LEN   8
#define	DRM_ELD_MANUFACTURER_NAME0   16
#define	DRM_ELD_MANUFACTURER_NAME1   17
#define	DRM_ELD_PRODUCT_CODE0   18
#define	DRM_ELD_PRODUCT_CODE1   19
#define	DRM_ELD_MONITOR_NAME_STRING   20 /* offsets 20..(20+mnl-1) inclusive */
#define	DRM_ELD_CEA_SAD(mnl, sad)   (20 + (mnl) + 3 * (sad))

Functions
int	drm_eld_sad_get (const u8 *eld, int sad_index, struct cea_sad *cta_sad)
int	drm_eld_sad_set (u8 *eld, int sad_index, const struct cea_sad *cta_sad)

Macro Definition Documentation

DRM_ELD_AUD_SYNCH_DELAY

#define DRM_ELD_AUD_SYNCH_DELAY   6 /* in units of 2 ms */

DRM_ELD_AUD_SYNCH_DELAY_MAX

#define DRM_ELD_AUD_SYNCH_DELAY_MAX   0xfa /* 500 ms */

DRM_ELD_BASELINE_ELD_LEN

#define DRM_ELD_BASELINE_ELD_LEN   2 /* in dwords! */

DRM_ELD_CEA_EDID_VER_CEA861

#define DRM_ELD_CEA_EDID_VER_CEA861   (1 << 5)

DRM_ELD_CEA_EDID_VER_CEA861A

#define DRM_ELD_CEA_EDID_VER_CEA861A   (2 << 5)

DRM_ELD_CEA_EDID_VER_CEA861BCD

#define DRM_ELD_CEA_EDID_VER_CEA861BCD   (3 << 5)

DRM_ELD_CEA_EDID_VER_MASK

#define DRM_ELD_CEA_EDID_VER_MASK   (7 << 5)

DRM_ELD_CEA_EDID_VER_MNL

#define DRM_ELD_CEA_EDID_VER_MNL   4

DRM_ELD_CEA_EDID_VER_NONE

#define DRM_ELD_CEA_EDID_VER_NONE   (0 << 5)

DRM_ELD_CEA_EDID_VER_SHIFT

#define DRM_ELD_CEA_EDID_VER_SHIFT   5

DRM_ELD_CEA_SAD

#define DRM_ELD_CEA_SAD	(		mnl,
			sad
	)		(20 + (mnl) + 3 * (sad))

DRM_ELD_CONN_TYPE_DP

#define DRM_ELD_CONN_TYPE_DP   (1 << 2)

DRM_ELD_CONN_TYPE_HDMI

#define DRM_ELD_CONN_TYPE_HDMI   (0 << 2)

DRM_ELD_CONN_TYPE_MASK

#define DRM_ELD_CONN_TYPE_MASK   (3 << 2)

DRM_ELD_CONN_TYPE_SHIFT

#define DRM_ELD_CONN_TYPE_SHIFT   2

DRM_ELD_HEADER_BLOCK_SIZE

#define DRM_ELD_HEADER_BLOCK_SIZE   4

DRM_ELD_MANUFACTURER_NAME0

#define DRM_ELD_MANUFACTURER_NAME0   16

DRM_ELD_MANUFACTURER_NAME1

#define DRM_ELD_MANUFACTURER_NAME1   17

DRM_ELD_MNL_MASK

#define DRM_ELD_MNL_MASK   (0x1f << 0)

DRM_ELD_MNL_SHIFT

#define DRM_ELD_MNL_SHIFT   0

DRM_ELD_MONITOR_NAME_STRING

#define DRM_ELD_MONITOR_NAME_STRING   20 /* offsets 20..(20+mnl-1) inclusive */

DRM_ELD_PORT_ID

#define DRM_ELD_PORT_ID   8 /* offsets 8..15 inclusive */

DRM_ELD_PORT_ID_LEN

#define DRM_ELD_PORT_ID_LEN   8

DRM_ELD_PRODUCT_CODE0

#define DRM_ELD_PRODUCT_CODE0   18

DRM_ELD_PRODUCT_CODE1

#define DRM_ELD_PRODUCT_CODE1   19

DRM_ELD_SAD_COUNT_CONN_TYPE

#define DRM_ELD_SAD_COUNT_CONN_TYPE   5

DRM_ELD_SAD_COUNT_MASK

#define DRM_ELD_SAD_COUNT_MASK   (0xf << 4)

DRM_ELD_SAD_COUNT_SHIFT

#define DRM_ELD_SAD_COUNT_SHIFT   4

DRM_ELD_SPEAKER

#define DRM_ELD_SPEAKER   7

DRM_ELD_SPEAKER_FC

#define DRM_ELD_SPEAKER_FC   (1 << 2)

DRM_ELD_SPEAKER_FLR

#define DRM_ELD_SPEAKER_FLR   (1 << 0)

DRM_ELD_SPEAKER_FLRC

#define DRM_ELD_SPEAKER_FLRC   (1 << 5)

DRM_ELD_SPEAKER_LFE

#define DRM_ELD_SPEAKER_LFE   (1 << 1)

DRM_ELD_SPEAKER_MASK

#define DRM_ELD_SPEAKER_MASK   0x7f

DRM_ELD_SPEAKER_RC

#define DRM_ELD_SPEAKER_RC   (1 << 4)

DRM_ELD_SPEAKER_RLR

#define DRM_ELD_SPEAKER_RLR   (1 << 3)

DRM_ELD_SPEAKER_RLRC

#define DRM_ELD_SPEAKER_RLRC   (1 << 6)

DRM_ELD_SUPPORTS_AI

#define DRM_ELD_SUPPORTS_AI   (1 << 1)

DRM_ELD_SUPPORTS_HDCP

#define DRM_ELD_SUPPORTS_HDCP   (1 << 0)

DRM_ELD_VER

#define DRM_ELD_VER   0

DRM_ELD_VER_CANNED

#define DRM_ELD_VER_CANNED   (0x1f << 3)

DRM_ELD_VER_CEA861D

#define DRM_ELD_VER_CEA861D   (2 << 3) /* supports 861D or below */

DRM_ELD_VER_MASK

#define DRM_ELD_VER_MASK   (0x1f << 3)

DRM_ELD_VER_SHIFT

#define DRM_ELD_VER_SHIFT   3

Function Documentation

drm_eld_sad_get()

int drm_eld_sad_get	(	const u8 *	eld,
		int	sad_index,
		struct cea_sad *	cta_sad
	)

drm_eld_sad_set()

int drm_eld_sad_set	(	u8 *	eld,
		int	sad_index,
		const struct cea_sad *	cta_sad
	)