Commit fca36df5 authored by Jani Nikula's avatar Jani Nikula
Browse files

drm/i915/bios: document child device config dvo_port values a bit better 



Move closer to child device config struct while at it. No functional
changes.

Cc: Animesh Manna <animesh.manna@intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/abbad7b4a3f0c35d48844cc0950af3606e9a3142.1503600621.git.jani.nikula@intel.com
parent 21907e72

drivers/gpu/drm/i915/intel_vbt_defs.h

+21 −20
Original line number Diff line number Diff line
@@ -226,10 +226,30 @@ struct bdb_general_features { 
#define DEVICE_WIRE_DVOB_MASTER 0x0d

#define DEVICE_WIRE_DVOC_MASTER 0x0e



/* dvo_port pre BDB 155 */

#define DEVICE_PORT_DVOA	0x00 /* none on 845+ */

#define DEVICE_PORT_DVOB	0x01

#define DEVICE_PORT_DVOC	0x02



/* dvo_port BDB 155+ */

#define DVO_PORT_HDMIA		0

#define DVO_PORT_HDMIB		1

#define DVO_PORT_HDMIC		2

#define DVO_PORT_HDMID		3

#define DVO_PORT_LVDS		4

#define DVO_PORT_TV		5

#define DVO_PORT_CRT		6

#define DVO_PORT_DPB		7

#define DVO_PORT_DPC		8

#define DVO_PORT_DPD		9

#define DVO_PORT_DPA		10

#define DVO_PORT_DPE		11				/* 193 */

#define DVO_PORT_HDMIE		12				/* 193 */

#define DVO_PORT_MIPIA		21				/* 171 */

#define DVO_PORT_MIPIB		22				/* 171 */

#define DVO_PORT_MIPIC		23				/* 171 */

#define DVO_PORT_MIPID		24				/* 171 */



#define LEGACY_CHILD_DEVICE_CONFIG_SIZE		33



/*
@@ -276,7 +296,7 @@ struct child_device_config { 
	} __packed;



	u16 addin_offset;

	u8 dvo_port;

	u8 dvo_port; /* See DEVICE_PORT_* and DVO_PORT_* above */

	u8 i2c_pin;

	u8 slave_addr;

	u8 ddc_pin;
@@ -824,25 +844,6 @@ struct bdb_psr { 
#define		DVO_C		2

#define		DVO_D		3



/* Possible values for the "DVO Port" field for versions >= 155: */

#define DVO_PORT_HDMIA	0

#define DVO_PORT_HDMIB	1

#define DVO_PORT_HDMIC	2

#define DVO_PORT_HDMID	3

#define DVO_PORT_LVDS	4

#define DVO_PORT_TV	5

#define DVO_PORT_CRT	6

#define DVO_PORT_DPB	7

#define DVO_PORT_DPC	8

#define DVO_PORT_DPD	9

#define DVO_PORT_DPA	10

#define DVO_PORT_DPE	11

#define DVO_PORT_HDMIE	12

#define DVO_PORT_MIPIA	21

#define DVO_PORT_MIPIB	22

#define DVO_PORT_MIPIC	23

#define DVO_PORT_MIPID	24



/* Block 52 contains MIPI configuration block

 * 6 * bdb_mipi_config, followed by 6 pps data block

 * block below

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