8f6c61bcef
Includes some common routines which may be used by other drivers. git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8405 a95241bf-73f2-0310-859d-f6bbb57e9c96
147 lines
2.8 KiB
C
147 lines
2.8 KiB
C
/*
|
|
Copyright (c) 2003, Thomas Kurschel
|
|
|
|
|
|
Part of DDC driver
|
|
|
|
EDID handling, including decoded EDID data block definitin.
|
|
*/
|
|
|
|
#ifndef _EDID_H
|
|
#define _EDID_H
|
|
|
|
#include "edid_raw.h"
|
|
|
|
// vendor info
|
|
typedef struct {
|
|
char manufacturer[4];
|
|
uint16 prod_id;
|
|
uint32 serial;
|
|
uint8 week;
|
|
uint16 year;
|
|
} edid1_vendor;
|
|
|
|
|
|
// version info
|
|
typedef struct {
|
|
uint8 version;
|
|
uint8 revision;
|
|
} edid1_version;
|
|
|
|
|
|
// display info
|
|
typedef struct {
|
|
BBITFIELD8_7 (
|
|
input_type : 1, // 1 : digital
|
|
input_voltage : 2, // 0=0.7V/0.3V, 1=0.714V/0.286,
|
|
// 2=1V/0.4V, 3=0.7V/0V
|
|
setup : 1, // true if voltage configurable
|
|
sep_sync : 1,
|
|
comp_sync : 1,
|
|
sync_on_green : 1,
|
|
sync_serr : 1
|
|
);
|
|
uint8 h_size;
|
|
uint8 v_size;
|
|
uint8 gamma; // (x+100)/100
|
|
BBITFIELD8_7 (
|
|
dpms_standby : 1,
|
|
dpms_suspend : 1,
|
|
dpms_off : 1,
|
|
display_type : 2, // 0=mono, 1=rgb, 2=multicolour
|
|
// since EDID version 1.1
|
|
std_colour_space : 1,
|
|
preferred_timing_mode : 1,
|
|
gtf_supported : 1
|
|
);
|
|
uint16 red_x; // all colours are 0.10 fixed point
|
|
uint16 red_y;
|
|
uint16 green_x;
|
|
uint16 green_y;
|
|
uint16 blue_x;
|
|
uint16 blue_y;
|
|
uint16 white_x;
|
|
uint16 white_y;
|
|
} edid1_display;
|
|
|
|
|
|
// standard timing data
|
|
typedef struct {
|
|
uint16 h_size;
|
|
uint16 v_size;
|
|
uint16 id;
|
|
uint8 ratio;
|
|
uint8 refresh;
|
|
} edid1_std_timing;
|
|
|
|
|
|
// additional whitepoint
|
|
typedef struct {
|
|
uint8 index;
|
|
uint16 white_x;
|
|
uint16 white_y;
|
|
uint8 gamma; // (x+100)/100
|
|
} edid1_whitepoint;
|
|
|
|
|
|
// detailed timing description
|
|
typedef struct {
|
|
uint16 pixel_clock; // in 10 kHz
|
|
uint16 h_active;
|
|
uint16 h_blank;
|
|
uint16 v_active;
|
|
uint16 v_blank;
|
|
uint16 h_sync_off;
|
|
uint16 h_sync_width;
|
|
uint16 v_sync_off;
|
|
uint16 v_sync_width;
|
|
uint16 h_size;
|
|
uint16 v_size;
|
|
uint16 h_border;
|
|
uint16 v_border;
|
|
BBITFIELD8_4 (
|
|
interlaced : 1,
|
|
stereo : 2, // upper bit set - left on sync
|
|
// lower bit set - right on sync
|
|
sync : 2,
|
|
misc : 2
|
|
);
|
|
} edid1_detailed_timing;
|
|
|
|
|
|
// detailed monitor description
|
|
typedef struct {
|
|
uint8 monitor_desc_type;
|
|
union {
|
|
char serial_number[EDID1_EXTRA_STRING_LEN];
|
|
char ascii_data[EDID1_EXTRA_STRING_LEN];
|
|
edid1_monitor_range monitor_range;
|
|
char monitor_name[EDID1_EXTRA_STRING_LEN];
|
|
edid1_whitepoint whitepoint[EDID1_NUM_EXTRA_WHITEPOINTS];
|
|
edid1_std_timing std_timing[EDID1_NUM_EXTRA_STD_TIMING];
|
|
edid1_detailed_timing detailed_timing;
|
|
} data;
|
|
} edid1_detailed_monitor;
|
|
|
|
|
|
// EDID data block
|
|
typedef struct{
|
|
edid1_vendor vendor;
|
|
edid1_version version;
|
|
edid1_display display;
|
|
edid1_established_timing established_timing;
|
|
edid1_std_timing std_timing[EDID1_NUM_STD_TIMING];
|
|
|
|
// since EDID version 1.2
|
|
edid1_detailed_monitor detailed_monitor[EDID1_NUM_DETAILED_MONITOR_DESC];
|
|
|
|
uint8 num_sections;
|
|
} edid1_info;
|
|
|
|
// decode raw EDID info into usuable EDID info
|
|
void edid_decode( edid1_info *edid, const edid1_raw *raw );
|
|
// dump EDID info to syslog
|
|
void edid_dump( edid1_info *edid );
|
|
|
|
#endif
|