src/add-ons/accelerants/matrox/GetTimingConstraints.c

   1 /*
   2         Author:
   3         Rudolf Cornelissen 11/2004
   4 */
   5
   6 #define MODULE_BIT 0x01000000
   7
   8 #include "acc_std.h"
   9
  10 /* Used to help generate mode lines */
  11 status_t GET_TIMING_CONSTRAINTS(display_timing_constraints * dtc)
  12 {
  13         LOG(4, ("GET_TIMING_CONSTRAINTS: returning info\n"));
  14
  15         /* specs are identical for all Matrox cards on CRTC1 (Mil-1 - G550) */
  16         /* Note: G400-G550 CRTC2 have wider constraints, so this is OK. */
  17         dtc->h_res = 8;
  18         dtc->h_sync_min = 8;
  19         dtc->h_sync_max = 248;
  20         /* Note:
  21          * h_blank info is used to determine the max. diff. between h_total and h_display! */
  22         dtc->h_blank_min = 8;
  23         dtc->h_blank_max = 1016;
  24
  25         dtc->v_res = 1;
  26         dtc->v_sync_min = 1;
  27         dtc->v_sync_max = 15;
  28         /* Note:
  29          * v_blank info is used to determine the max. diff. between v_total and v_display! */
  30         dtc->v_blank_min = 1;
  31         dtc->v_blank_max = 255;
  32
  33         return B_OK;
  34 }