1 files changed, 424 insertions, 0 deletions
diff --git a/hw/xfree86/ddc/edid.h b/hw/xfree86/ddc/edid.h
new file mode 100644
index 000000000..7a2f30cb4
--- /dev/null
+++ b/hw/xfree86/ddc/edid.h
@@ -0,0 +1,424 @@
+/* $XFree86: xc/programs/Xserver/hw/xfree86/ddc/edid.h,v 1.7 2000/04/20 21:28:26 tsi Exp $ */
+
+/* edid.h: defines to parse an EDID block 
+ *
+ * This file contains all information to interpret a standard EDIC block 
+ * transmitted by a display device via DDC (Display Data Channel). So far 
+ * there is no information to deal with optional EDID blocks.  
+ * DDC is a Trademark of VESA (Video Electronics Standard Association).
+ *
+ * Copyright 1998 by Egbert Eich <Egbert.Eich@Physik.TU-Darmstadt.DE>
+ */
+
+#ifndef _EDID_H_
+#define _EDID_H_ 1
+
+#include "vdif.h"
+
+/* read complete EDID record */
+#define EDID1_LEN 128
+#define BITS_PER_BYTE 9
+#define NUM BITS_PER_BYTE*EDID1_LEN
+#define HEADER 6
+
+#define STD_TIMINGS 8
+#define DET_TIMINGS 4
+
+#ifdef _PARSE_EDID_
+
+/* header: 0x00 0xFF 0xFF 0xFF 0xFF 0xFF 0xFF 0x00  */
+#define HEADER_SECTION 0
+#define HEADER_LENGTH 8
+
+/* vendor section */
+#define VENDOR_SECTION (HEADER_SECTION + HEADER_LENGTH)
+#define V_MANUFACTURER 0
+#define V_PROD_ID (V_MANUFACTURER + 2)
+#define V_SERIAL (V_PROD_ID + 2)
+#define V_WEEK (V_SERIAL + 4)
+#define V_YEAR (V_WEEK + 1)
+#define VENDOR_LENGTH (V_YEAR + 1)
+
+/* EDID version */
+#define VERSION_SECTION (VENDOR_SECTION + VENDOR_LENGTH)
+#define V_VERSION 0
+#define V_REVISION (V_VERSION + 1)
+#define VERSION_LENGTH (V_REVISION + 1)
+
+/* display information */
+#define DISPLAY_SECTION (VERSION_SECTION + VERSION_LENGTH)
+#define D_INPUT 0
+#define D_HSIZE (D_INPUT + 1)
+#define D_VSIZE (D_HSIZE + 1)
+#define D_GAMMA (D_VSIZE + 1)
+#define FEAT_S (D_GAMMA + 1)
+#define D_RG_LOW (FEAT_S + 1)
+#define D_BW_LOW (D_RG_LOW + 1)
+#define D_REDX (D_BW_LOW + 1)
+#define D_REDY (D_REDX + 1)
+#define D_GREENX (D_REDY + 1)
+#define D_GREENY (D_GREENX + 1)
+#define D_BLUEX (D_GREENY + 1)
+#define D_BLUEY (D_BLUEX + 1)
+#define D_WHITEX (D_BLUEY + 1)
+#define D_WHITEY (D_WHITEX + 1)
+#define DISPLAY_LENGTH (D_WHITEY + 1)
+
+/* supported VESA and other standard timings */
+#define ESTABLISHED_TIMING_SECTION (DISPLAY_SECTION + DISPLAY_LENGTH)
+#define E_T1 0
+#define E_T2 (E_T1 + 1)
+#define E_TMANU (E_T2 + 1)
+#define E_TIMING_LENGTH (E_TMANU + 1) 
+
+/* non predefined standard timings supported by display */
+#define STD_TIMING_SECTION (ESTABLISHED_TIMING_SECTION + E_TIMING_LENGTH)
+#define STD_TIMING_INFO_LEN 2
+#define STD_TIMING_INFO_NUM STD_TIMINGS
+#define STD_TIMING_LENGTH (STD_TIMING_INFO_LEN * STD_TIMING_INFO_NUM)
+
+/* detailed timing info of non standard timings */
+#define DET_TIMING_SECTION (STD_TIMING_SECTION + STD_TIMING_LENGTH)
+#define DET_TIMING_INFO_LEN 18
+#define MONITOR_DESC_LEN DET_TIMING_INFO_LEN
+#define DET_TIMING_INFO_NUM DET_TIMINGS
+#define DET_TIMING_LENGTH (DET_TIMING_INFO_LEN * DET_TIMING_INFO_NUM)
+
+/* number of EDID sections to follow */
+#define NO_EDID (DET_TIMING_SECTION + DET_TIMING_LENGTH)
+/* one byte checksum */
+#define CHECKSUM (NO_EDID + 1)  
+
+#if (CHECKSUM != (EDID1_LEN - 1))
+# error "EDID1 length != 128!" 
+#endif
+
+
+#define SECTION(x,y) (Uchar *)(x + y)
+#define GET_ARRAY(y) ((Uchar *)(c + y))
+#define GET(y) *(Uchar *)(c + y)
+
+/* extract information from vendor section */
+#define _PROD_ID(x) x[0] + (x[1] << 8);
+#define PROD_ID _PROD_ID(GET_ARRAY(V_PROD_ID))
+#define _SERIAL_NO(x) x[0] + (x[1] << 8) + (x[2] << 16) + (x[3] << 24)
+#define SERIAL_NO _SERIAL_NO(GET_ARRAY(V_SERIAL))
+#define _YEAR(x) (x & 0xFF) + 1990
+#define YEAR _YEAR(GET(V_YEAR))
+#define WEEK GET(V_WEEK) & 0xFF
+#define _L1(x) ((x[0] & 0x7C) >> 2) + '@'
+#define _L2(x) ((x[0] & 0x03) << 3) + ((x[1] & 0xE0) >> 5) + '@'
+#define _L3(x) (x[1] & 0x1F) + '@';
+#define L1 _L1(GET_ARRAY(V_MANUFACTURER))
+#define L2 _L2(GET_ARRAY(V_MANUFACTURER))
+#define L3 _L3(GET_ARRAY(V_MANUFACTURER))
+
+/* extract information from version section */
+#define VERSION GET(V_VERSION)
+#define REVISION GET(V_REVISION)
+
+/* extract information from display section */
+#define _INPUT_TYPE(x) ((x & 0x80) >> 7)
+#define INPUT_TYPE _INPUT_TYPE(GET(D_INPUT))
+#define _INPUT_VOLTAGE(x) ((x & 0x60) >> 5)
+#define INPUT_VOLTAGE _INPUT_VOLTAGE(GET(D_INPUT))
+#define _SETUP(x) ((x & 0x10) >> 4)
+#define SETUP _SETUP(GET(D_INPUT))
+#define _SYNC(x) (x  & 0x0F)
+#define SYNC _SYNC(GET(D_INPUT))
+#define _GAMMA(x) ((x + 100.0)/100.0)
+#define GAMMA _GAMMA(GET(D_GAMMA))
+#define HSIZE_MAX GET(D_HSIZE)
+#define VSIZE_MAX GET(D_VSIZE)
+#define _DPMS(x) ((x & 0xE0) >> 5)
+#define DPMS _DPMS(GET(FEAT_S))
+#define _DISPLAY_TYPE(x) ((x & 0x18) >> 3)
+#define DISPLAY_TYPE _DISPLAY_TYPE(GET(FEAT_S))
+#define _MSC(x) (x & 0x7)
+#define MSC _MSC(GET(FEAT_S))
+
+
+/* color characteristics */
+#define CC_L(x,y) ((x & (0x03 << y)) >> y)
+#define CC_H(x) (x << 2)
+#define I_CC(x,y,z) CC_H(y) | CC_L(x,z)
+#define F_CC(x) ((x)/1024.0)
+#define REDX F_CC(I_CC((GET(D_RG_LOW)),(GET(D_REDX)),6))
+#define REDY F_CC(I_CC((GET(D_RG_LOW)),(GET(D_REDY)),4))
+#define GREENX F_CC(I_CC((GET(D_RG_LOW)),(GET(D_GREENX)),2))
+#define GREENY F_CC(I_CC((GET(D_RG_LOW)),(GET(D_GREENY)),0))
+#define BLUEX F_CC(I_CC((GET(D_BW_LOW)),(GET(D_BLUEX)),6))
+#define BLUEY F_CC(I_CC((GET(D_BW_LOW)),(GET(D_BLUEY)),4))
+#define WHITEX F_CC(I_CC((GET(D_BW_LOW)),(GET(D_WHITEX)),2))
+#define WHITEY F_CC(I_CC((GET(D_BW_LOW)),(GET(D_WHITEY)),0))
+
+/* extract information from standard timing section */
+#define T1 GET(E_T1)
+#define T2 GET(E_T2)
+#define T_MANU GET(E_TMANU)
+
+/* extract information from estabished timing section */
+#define _HSIZE1(x) ((x[0] + 31) * 8)
+#define HSIZE1 _HSIZE1(c)
+#define RATIO(x) ((x[1] & 0xC0) >> 6)
+#define RATIO1_1 0
+#define RATIO4_3 1
+#define RATIO5_4 2
+#define RATIO16_9 3
+#define _VSIZE1(x,y) switch(RATIO(x)){ \
+  case RATIO1_1: y = _HSIZE1(x); break; \
+  case RATIO4_3: y = _HSIZE1(x) * 3 / 4; break; \
+  case RATIO5_4: y = _HSIZE1(x) * 4 / 5; break; \
+  case RATIO16_9: y = _HSIZE1(x) * 9 / 16; break; \
+  }
+#define VSIZE1(x) _VSIZE1(c,x)
+#define _REFRESH_R(x) (x[1] & 0x3F) + 60
+#define REFRESH_R  _REFRESH_R(c)
+#define _ID_LOW(x) x[0]
+#define ID_LOW _ID_LOW(c)
+#define _ID_HIGH(x) (x[1] << 8)
+#define ID_HIGH _ID_HIGH(c)
+#define STD_TIMING_ID (ID_LOW | ID_HIGH)
+#define _NEXT_STD_TIMING(x)  (x = (x + STD_TIMING_INFO_LEN))
+#define NEXT_STD_TIMING _NEXT_STD_TIMING(c)
+
+
+/* EDID Ver. > 1.2 */
+#define _IS_MONITOR_DESC(x) (x[0] == 0 && x[1] == 0 && x[2] == 0 && x[4] == 0)
+#define IS_MONITOR_DESC _IS_MONITOR_DESC(c)
+#define _PIXEL_CLOCK(x) (x[0] + (x[1] << 8)) * 10000
+#define PIXEL_CLOCK _PIXEL_CLOCK(c)
+#define _H_ACTIVE(x) (x[2] + ((x[4] & 0xF0) << 4))
+#define H_ACTIVE _H_ACTIVE(c)
+#define _H_BLANK(x) (x[3] + ((x[4] & 0x0F) << 8))
+#define H_BLANK _H_BLANK(c)
+#define _V_ACTIVE(x) (x[5] + ((x[7] & 0xF0) << 4))
+#define V_ACTIVE _V_ACTIVE(c)
+#define _V_BLANK(x) (x[6] + ((x[7] & 0x0F) << 8))
+#define V_BLANK _V_BLANK(c)
+#define _H_SYNC_OFF(x) (x[8] + ((x[11] & 0xC0) << 2))
+#define H_SYNC_OFF _H_SYNC_OFF(c)
+#define _H_SYNC_WIDTH(x) (x[9] + ((x[11] & 0x30) << 4))
+#define H_SYNC_WIDTH _H_SYNC_WIDTH(c)
+#define _V_SYNC_OFF(x) ((x[10] >> 4) + ((x[11] & 0x0C) << 2))
+#define V_SYNC_OFF _V_SYNC_OFF(c)
+#define _V_SYNC_WIDTH(x) ((x[10] & 0x0F) + ((x[11] & 0x03) << 4))
+#define V_SYNC_WIDTH _V_SYNC_WIDTH(c)
+#define _H_SIZE(x) (x[12] + ((x[14] & 0xF0) << 4))
+#define H_SIZE _H_SIZE(c)
+#define _V_SIZE(x) (x[13] + ((x[14] & 0x0F) << 8))
+#define V_SIZE _V_SIZE(c)
+#define _H_BORDER(x) (x[15])
+#define H_BORDER _H_BORDER(c)
+#define _V_BORDER(x) (x[16])
+#define V_BORDER _V_BORDER(c)
+#define _INTERLACED(x) ((x[17] & 0x80) >> 7)
+#define INTERLACED _INTERLACED(c)
+#define _STEREO(x) ((x[17] & 0x60) >> 6)
+#define STEREO _STEREO(c)
+#define _SYNC_T(x) ((x[17] & 0x18) >> 4)
+#define SYNC_T _SYNC_T(c)
+#define _MISC(x) ((x[17] & 0x06) >> 2)
+#define MISC _MISC(c)
+
+#define _MONITOR_DESC_TYPE(x) x[3]
+#define MONITOR_DESC_TYPE _MONITOR_DESC_TYPE(c)
+#define SERIAL_NUMBER 0xFF
+#define ASCII_STR 0xFE
+#define MONITOR_RANGES 0xFD
+#define _MIN_V(x) x[5]
+#define MIN_V _MIN_V(c) 
+#define _MAX_V(x) x[6]
+#define MAX_V _MAX_V(c) 
+#define _MIN_H(x) x[7]
+#define MIN_H _MIN_H(c) 
+#define _MAX_H(x) x[8]
+#define MAX_H _MAX_H(c) 
+#define _MAX_CLOCK(x) x[9]
+#define MAX_CLOCK _MAX_CLOCK(c) 
+#define MONITOR_NAME 0xFC
+#define ADD_COLOR_POINT 0xFB
+#define WHITEX F_CC(I_CC((GET(D_BW_LOW)),(GET(D_WHITEX)),2))
+#define WHITEY F_CC(I_CC((GET(D_BW_LOW)),(GET(D_WHITEY)),0))
+#define _WHITEX_ADD(x,y) F_CC(I_CC(((*(x + y))),(*(x + y + 1)),2))
+#define _WHITEY_ADD(x,y) F_CC(I_CC(((*(x + y))),(*(x + y + 2)),0))
+#define _WHITE_INDEX1(x) x[5]
+#define WHITE_INDEX1 _WHITE_INDEX1(c)
+#define _WHITE_INDEX2(x) x[10]
+#define WHITE_INDEX2 _WHITE_INDEX2(c)
+#define WHITEX1 _WHITEX_ADD(c,6)
+#define WHITEY1 _WHITEY_ADD(c,6)
+#define WHITEX2 _WHITEX_ADD(c,12)
+#define WHITEY2 _WHITEY_ADD(c,12)
+#define _WHITE_GAMMA1(x) _GAMMA(x[9])
+#define WHITE_GAMMA1 _WHITE_GAMMA1(c) 
+#define _WHITE_GAMMA2(x) _GAMMA(x[14])
+#define WHITE_GAMMA2 _WHITE_GAMMA2(c)
+#define ADD_STD_TIMINGS 0xFA
+
+#define _NEXT_DT_MD_SECTION(x) (x = (x + DET_TIMING_INFO_LEN))
+#define NEXT_DT_MD_SECTION _NEXT_DT_MD_SECTION(c)
+
+#endif /* _PARSE_EDID_ */
+
+/* input type */
+#define DIGITAL(x) x
+
+/* input voltage level */
+#define V070 0  /* 0.700V/0.300V */
+#define V071 1  /* 0.714V/0.286V */
+#define V100 2  /* 1.000V/0.400V */
+#define V007 3 /* 0.700V/0.000V */
+
+/* Signal level setup */
+#define SIG_SETUP(x) (x)
+
+/* sync characteristics */
+#define SEP_SYNC(x) (x & 0x08)
+#define COMP_SYNC(x) (x & 0x04)
+#define SYNC_O_GREEN(x) (x & 0x02)
+#define SYNC_SERR(x) (x & 0x01)
+
+/* DPMS features */
+#define DPMS_STANDBY(x) (x & 0x04)
+#define DPMS_SUSPEND(x) (x & 0x02)
+#define DPMS_OFF(x) (x & 0x01)
+
+/* display type */
+#define DISP_MONO 0
+#define DISP_RGB 1
+#define DISP_MULTCOLOR 2
+
+/* Msc stuff EDID Ver > 1.1 */
+#define STD_COLOR_SPACE(x) (x & 0x4)
+#define PREFERRED_TIMING_MODE(x) (x & 0x2)
+#define GFT_SUPPORTED(x) (x & 0x1)
+
+/* detailed timing misc */
+#define IS_INTERLACED(x)  (x) 
+#define IS_STEREO(x)  (x) 
+#define IS_RIGHT_ON_SYNC(x) (x & 0x01)
+#define IS_LEFT_ON_SYNC(x) (x & 0x02)
+
+typedef unsigned int Uint;
+typedef unsigned char Uchar;
+
+struct vendor {
+  char name[4];
+  int prod_id;
+  Uint serial;
+  int week;
+  int year;
+};
+
+struct edid_version {
+  int version;
+  int revision;
+};
+
+struct disp_features {
+  unsigned int input_type:1;
+  unsigned int input_voltage:2;
+  unsigned int input_setup:1;
+  unsigned int input_sync:5;
+  int hsize;
+  int vsize;
+  float gamma;
+  unsigned int dpms:3;
+  unsigned int display_type:2;
+  unsigned int msc:3;
+  float redx;
+  float redy;
+  float greenx;
+  float greeny;
+  float bluex;
+  float bluey;
+  float whitex;
+  float whitey;
+};
+
+struct established_timings {
+  Uchar t1;
+  Uchar t2;
+  Uchar t_manu;
+};
+
+struct std_timings {
+  int hsize;
+  int vsize;
+  int refresh;
+  CARD16 id;
+};
+
+struct detailed_timings {
+  int clock;
+  int h_active;
+  int h_blanking;
+  int v_active;
+  int v_blanking;
+  int h_sync_off;
+  int h_sync_width;
+  int v_sync_off;
+  int v_sync_width;
+  int h_size;
+  int v_size;
+  int h_border;
+  int v_border;
+  unsigned int interlaced:1;
+  unsigned int stereo:2;
+  unsigned int sync:2;
+  unsigned int misc:2;
+};
+
+#define DT 0
+#define DS_SERIAL 0xFF
+#define DS_ASCII_STR 0xFE
+#define DS_NAME 0xFC
+#define DS_RANGES 0xFD
+#define DS_WHITE_P 0xFB
+#define DS_STD_TIMINGS 0xFA
+
+struct monitor_ranges {
+  int min_v;
+  int max_v;
+  int min_h;
+  int max_h;
+  int max_clock;
+};
+
+struct whitePoints{
+  int   index;
+  float white_x;
+  float white_y;
+  float white_gamma;
+};
+
+struct detailed_monitor_section {
+  int type;
+  union {
+    struct detailed_timings d_timings;
+    Uchar serial[13];
+    Uchar ascii_data[13];
+    Uchar name[13];
+    struct monitor_ranges ranges;
+    struct std_timings std_t[5];
+    struct whitePoints wp[2];
+  } section;
+};
+
+typedef struct {
+  int scrnIndex;
+  struct vendor vendor;
+  struct edid_version ver;
+  struct disp_features features;
+  struct established_timings timings1;
+  struct std_timings timings2[8];
+  struct detailed_monitor_section det_mon[4];
+  xf86vdifPtr vdif;
+  int no_sections;
+  Uchar *rawData;
+} xf86Monitor, *xf86MonPtr;
+
+extern xf86MonPtr ConfiguredMonitor;
+
+#endif /* _EDID_H_ */