1 /* 2 Copyright 1999, Be Incorporated. All Rights Reserved. 3 This file may be used under the terms of the Be Sample Code License. 4 5 Other authors for MGA driver: 6 Mark Watson, 7 Rudolf Cornelissen 9/2002-1/2006 8 */ 9 10 #define MODULE_BIT 0x00400000 11 12 #include "acc_std.h" 13 14 #define T_POSITIVE_SYNC (B_POSITIVE_HSYNC | B_POSITIVE_VSYNC) 15 /* mode flags will be setup as status info by PROPOSEMODE! */ 16 #define MODE_FLAGS 0 17 #define MODE_COUNT (sizeof (mode_list) / sizeof (display_mode)) 18 19 /*some monitors only handle a fixed set of modes*/ 20 #include "valid_mode_list" 21 22 /*Standard VESA modes*/ 23 static const display_mode mode_list[] = { 24 { { 25175, 640, 656, 752, 800, 480, 490, 492, 525, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(640X480X8.Z1) */ 25 { { 27500, 640, 672, 768, 864, 480, 488, 494, 530, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* 640X480X60Hz */ 26 { { 30500, 640, 672, 768, 864, 480, 517, 523, 588, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* SVGA_640X480X60HzNI */ 27 { { 31500, 640, 664, 704, 832, 480, 489, 492, 520, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@70-72Hz_(640X480X8.Z1) */ 28 { { 31500, 640, 656, 720, 840, 480, 481, 484, 500, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(640X480X8.Z1) */ 29 { { 36000, 640, 696, 752, 832, 480, 481, 484, 509, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(640X480X8.Z1) */ 30 { { 36000, 800, 824, 896, 1024, 600, 601, 603, 625, 0}, B_CMAP8, 800, 600, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@56Hz_(800X600) from Be, Inc. driver + XFree86 */ 31 { { 38100, 800, 832, 960, 1088, 600, 602, 606, 620, 0}, B_CMAP8, 800, 600, 0, 0, MODE_FLAGS}, /* SVGA_800X600X56HzNI */ 32 { { 40000, 800, 840, 968, 1056, 600, 601, 605, 628, T_POSITIVE_SYNC}, B_CMAP8, 800, 600, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(800X600X8.Z1) + XFree86 */ 33 { { 49500, 800, 816, 896, 1056, 600, 601, 604, 625, T_POSITIVE_SYNC}, B_CMAP8, 800, 600, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(800X600X8.Z1) + XFree86 */ 34 { { 50000, 800, 856, 976, 1040, 600, 637, 643, 666, T_POSITIVE_SYNC}, B_CMAP8, 800, 600, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@70-72Hz_(800X600X8.Z1) + XFree86 */ 35 { { 56250, 800, 832, 896, 1048, 600, 601, 604, 631, T_POSITIVE_SYNC}, B_CMAP8, 800, 600, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(800X600X8.Z1) + XFree86 */ 36 { { 65000, 1024, 1048, 1184, 1344, 768, 771, 777, 806, 0}, B_CMAP8, 1024, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1024X768X8.Z1) + XFree86 */ 37 { { 75000, 1024, 1048, 1184, 1328, 768, 771, 777, 806, 0}, B_CMAP8, 1024, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@70-72Hz_(1024X768X8.Z1) + XFree86 */ 38 { { 78750, 1024, 1040, 1136, 1312, 768, 769, 772, 800, T_POSITIVE_SYNC}, B_CMAP8, 1024, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(1024X768X8.Z1) + XFree86 */ 39 { { 94500, 1024, 1072, 1168, 1376, 768, 769, 772, 808, T_POSITIVE_SYNC}, B_CMAP8, 1024, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(1024X768X8.Z1) + XFree86 */ 40 { { 94200, 1152, 1184, 1280, 1472, 864, 865, 868, 914, T_POSITIVE_SYNC}, B_CMAP8, 1152, 864, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@70Hz_(1152X864X8.Z1) */ 41 { { 97800, 1152, 1216, 1344, 1552, 864, 865, 868, 900, T_POSITIVE_SYNC}, B_CMAP8, 1152, 864, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@70Hz_(1152X864X8.Z1) */ 42 { { 108000, 1152, 1216, 1344, 1600, 864, 865, 868, 900, T_POSITIVE_SYNC}, B_CMAP8, 1152, 864, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(1152X864X8.Z1) + XFree86 */ 43 { { 121500, 1152, 1216, 1344, 1568, 864, 865, 868, 911, T_POSITIVE_SYNC}, B_CMAP8, 1152, 864, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(1152X864X8.Z1) */ 44 { { 108000, 1280, 1328, 1440, 1688, 1024, 1025, 1028, 1066, T_POSITIVE_SYNC}, B_CMAP8, 1280, 1024, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1280X1024) from Be, Inc. driver + XFree86 */ 45 { { 135000, 1280, 1296, 1440, 1688, 1024, 1025, 1028, 1066, T_POSITIVE_SYNC}, B_CMAP8, 1280, 1024, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(1280X1024X8.Z1) + XFree86 */ 46 { { 157500, 1280, 1344, 1504, 1728, 1024, 1025, 1028, 1072, T_POSITIVE_SYNC}, B_CMAP8, 1280, 1024, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(1280X1024X8.Z1) + XFree86 */ 47 { { 122600, 1400, 1488, 1640, 1880, 1050, 1051, 1054, 1087, T_POSITIVE_SYNC}, B_CMAP8, 1400, 1050, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1400X1050) */ 48 { { 162000, 1600, 1664, 1856, 2160, 1200, 1201, 1204, 1250, T_POSITIVE_SYNC}, B_CMAP8, 1600, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1600X1200X8.Z1) + XFree86 */ 49 /* identical lines to above one, apart from refreshrate.. */ 50 { { 175500, 1600, 1664, 1856, 2160, 1200, 1201, 1204, 1250, T_POSITIVE_SYNC}, B_CMAP8, 1600, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@65Hz_(1600X1200X8.Z1) + XFree86 */ 51 { { 189000, 1600, 1664, 1856, 2160, 1200, 1201, 1204, 1250, T_POSITIVE_SYNC}, B_CMAP8, 1600, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@70Hz_(1600X1200X8.Z1) + XFree86 */ 52 { { 202500, 1600, 1664, 1856, 2160, 1200, 1201, 1204, 1250, T_POSITIVE_SYNC}, B_CMAP8, 1600, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(1600X1200X8.Z1) + XFree86 */ 53 { { 216000, 1600, 1664, 1856, 2160, 1200, 1201, 1204, 1250, T_POSITIVE_SYNC}, B_CMAP8, 1600, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@80Hz_(1600X1200X8.Z1) */ 54 { { 229500, 1600, 1664, 1856, 2160, 1200, 1201, 1204, 1250, T_POSITIVE_SYNC}, B_CMAP8, 1600, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(1600X1200X8.Z1) + XFree86 */ 55 /* end identical lines. */ 56 { { 204750, 1792, 1920, 2120, 2448, 1344, 1345, 1348, 1394, B_POSITIVE_VSYNC}, B_CMAP8, 1792, 1344, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1792X1344) from Be, Inc. driver + XFree86 */ 57 { { 261000, 1792, 1888, 2104, 2456, 1344, 1345, 1348, 1417, B_POSITIVE_VSYNC}, B_CMAP8, 1792, 1344, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(1792X1344) from Be, Inc. driver + XFree86 */ 58 { { 218250, 1856, 1952, 2176, 2528, 1392, 1393, 1396, 1439, B_POSITIVE_VSYNC}, B_CMAP8, 1856, 1392, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1856X1392) from Be, Inc. driver + XFree86 */ 59 { { 288000, 1856, 1984, 2208, 2560, 1392, 1393, 1396, 1500, B_POSITIVE_VSYNC}, B_CMAP8, 1856, 1392, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(1856X1392) from Be, Inc. driver + XFree86 */ 60 { { 234000, 1920, 2048, 2256, 2600, 1440, 1441, 1444, 1500, B_POSITIVE_VSYNC}, B_CMAP8, 1920, 1440, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1920X1440) from Be, Inc. driver + XFree86 */ 61 { { 297000, 1920, 2064, 2288, 2640, 1440, 1441, 1444, 1500, B_POSITIVE_VSYNC}, B_CMAP8, 1920, 1440, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(1920X1440) from Be, Inc. driver + XFree86 */ 62 { { 266950, 2048, 2200, 2424, 2800, 1536, 1537, 1540, 1589, B_POSITIVE_VSYNC}, B_CMAP8, 2048, 1536, 0, 0, MODE_FLAGS}, /* From XFree86 posting @60Hz + XFree86 */ 63 }; 64 65 /* 66 Check mode is between low and high limits 67 returns: 68 B_OK - found one 69 B_BAD_VALUE - mode can be made, but outside limits 70 B_ERROR - not possible 71 */ 72 /* BOUNDS WARNING: 73 * BeOS (tested R5.0.3PE) is failing BWindowScreen.SetFrameBuffer() if PROPOSEMODE 74 * returns B_BAD_VALUE. It's called by the OS with target, low and high set to 75 * have the same settings for BWindowScreen! 76 * Which means we should not return B_BAD_VALUE on anything except for deviations on: 77 * display_mode.virtual_width; 78 * display_mode.virtual_height; 79 * display_mode.timing.h_display; 80 * display_mode.timing.v_display; 81 */ 82 /* Note: 83 * The target mode should be modified to correspond to the mode as it can be made. */ 84 status_t PROPOSE_DISPLAY_MODE(display_mode *target, const display_mode *low, const display_mode *high) 85 { 86 status_t status = B_OK; 87 float pix_clock_found; 88 uint8 m,n,p, bpp; 89 status_t result; 90 uint32 max_vclk, row_bytes, pointer_reservation; 91 bool acc_mode; 92 double target_refresh = ((double)target->timing.pixel_clock * 1000.0) / 93 ( 94 (double)target->timing.h_total * 95 (double)target->timing.v_total 96 ); 97 bool 98 want_same_width = target->timing.h_display == target->virtual_width, 99 want_same_height = target->timing.v_display == target->virtual_height; 100 101 LOG(1, ("PROPOSEMODE: (ENTER) requested virtual_width %d, virtual_height %d\n", 102 target->virtual_width, target->virtual_height)); 103 104 /*check valid list: 105 if (VALID_REQUIRED is set) 106 { 107 if (find modes with same size) 108 { 109 pick one with nearest pixel clock 110 } 111 else 112 { 113 pick next largest with nearest pixel clock and modify visible portion as far as possible 114 } 115 } 116 */ 117 #ifdef VALID_MODE_REQUIRED 118 { 119 int i; 120 int closest_mode_ptr; 121 uint32 closest_mode_clock; 122 123 LOG(1, ("PROPOSEMODE: valid mode required!\n")); 124 125 closest_mode_ptr = 0xbad; 126 closest_mode_clock = 0; 127 for (i=0;i<VALID_MODES;i++) 128 { 129 /*check size is ok and clock is better than any found before*/ 130 if( 131 target->timing.h_display==valid_mode_list[i].h_display && 132 target->timing.v_display==valid_mode_list[i].v_display 133 ) 134 { 135 if ( 136 abs(valid_mode_list[i].pixel_clock-target->timing.pixel_clock)< 137 abs(closest_mode_clock-target->timing.pixel_clock) 138 ) 139 { 140 closest_mode_clock=valid_mode_list[i].pixel_clock; 141 closest_mode_ptr=i; 142 } 143 } 144 } 145 146 if (closest_mode_ptr==0xbad)/*if no modes of correct size*/ 147 { 148 LOG(4, ("PROPOSEMODE: no valid mode found, aborted.\n")); 149 return B_ERROR; 150 } 151 else 152 { 153 target->timing=valid_mode_list[closest_mode_ptr]; 154 target_refresh = ((double)target->timing.pixel_clock * 1000.0) / /*I require this refresh*/ 155 ((double)target->timing.h_total * (double)target->timing.v_total); 156 } 157 } 158 #endif 159 160 /* check colorspace versus requested dualhead mode */ 161 switch (target->space) 162 { 163 case B_CMAP8: 164 case B_RGB15: 165 /* mode will be made 'outside limits' when dualhead was requested */ 166 if (target->flags & DUALHEAD_BITS) 167 { 168 status = B_BAD_VALUE; 169 LOG(4, ("PROPOSEMODE: WARNING: Colorspace can't be done in dualhead mode\n")); 170 } 171 /* clear dualhead bits if colorspace isn't supported to prevent ProposeMode 172 * from aborting */ 173 target->flags &= ~(DUALHEAD_BITS | DUALHEAD_CAPABLE); 174 break; 175 } 176 177 /*find a nearby valid timing from that given*/ 178 result = gx00_crtc_validate_timing 179 ( 180 &target->timing.h_display, &target->timing.h_sync_start, &target->timing.h_sync_end, &target->timing.h_total, 181 &target->timing.v_display, &target->timing.v_sync_start, &target->timing.v_sync_end, &target->timing.v_total 182 ); 183 if (result == B_ERROR) 184 { 185 LOG(4, ("PROPOSEMODE: could not validate timing, aborted.\n")); 186 return result; 187 } 188 189 /* validate display vs. virtual */ 190 if ((target->timing.h_display > target->virtual_width) || want_same_width) 191 target->virtual_width = target->timing.h_display; 192 if ((target->timing.v_display > target->virtual_height) || want_same_height) 193 target->virtual_height = target->timing.v_display; 194 195 /* nail virtual size and 'subsequently' calculate rowbytes */ 196 result = gx00_general_validate_pic_size (target, &row_bytes, &acc_mode); 197 if (result == B_ERROR) 198 { 199 LOG(4, ("PROPOSEMODE: could not validate virtual picture size, aborted.\n")); 200 return result; 201 } 202 203 /*check if virtual_width is still within the requested limits*/ 204 if ((target->virtual_width < low->virtual_width) || 205 (target->virtual_width > high->virtual_width)) 206 { 207 status = B_BAD_VALUE; 208 LOG(4, ("PROPOSEMODE: WARNING: virtual_width deviates too much\n")); 209 } 210 211 /*check if timing found is within the requested horizontal limits*/ 212 if ((target->timing.h_display < low->timing.h_display) || 213 (target->timing.h_display > high->timing.h_display) || 214 (target->timing.h_sync_start < low->timing.h_sync_start) || 215 (target->timing.h_sync_start > high->timing.h_sync_start) || 216 (target->timing.h_sync_end < low->timing.h_sync_end) || 217 (target->timing.h_sync_end > high->timing.h_sync_end) || 218 (target->timing.h_total < low->timing.h_total) || 219 (target->timing.h_total > high->timing.h_total)) 220 { 221 /* BWindowScreen workaround: we accept everything except h_display deviations */ 222 if ((target->timing.h_display < low->timing.h_display) || 223 (target->timing.h_display > high->timing.h_display)) 224 { 225 status = B_BAD_VALUE; 226 } 227 LOG(4, ("PROPOSEMODE: WARNING: horizontal timing deviates too much\n")); 228 } 229 230 /*check if timing found is within the requested vertical limits*/ 231 if ( 232 (target->timing.v_display < low->timing.v_display) || 233 (target->timing.v_display > high->timing.v_display) || 234 (target->timing.v_sync_start < low->timing.v_sync_start) || 235 (target->timing.v_sync_start > high->timing.v_sync_start) || 236 (target->timing.v_sync_end < low->timing.v_sync_end) || 237 (target->timing.v_sync_end > high->timing.v_sync_end) || 238 (target->timing.v_total < low->timing.v_total) || 239 (target->timing.v_total > high->timing.v_total) 240 ) 241 { 242 /* BWindowScreen workaround: we accept everything except v_display deviations */ 243 if ((target->timing.v_display < low->timing.v_display) || 244 (target->timing.v_display > high->timing.v_display)) 245 { 246 status = B_BAD_VALUE; 247 } 248 LOG(4, ("PROPOSEMODE: WARNING: vertical timing deviates too much\n")); 249 } 250 251 /* adjust pixelclock for possible timing modifications done above */ 252 target->timing.pixel_clock = target_refresh * ((double)target->timing.h_total) * ((double)target->timing.v_total) / 1000.0; 253 254 /* Now find the nearest valid pixelclock we actually can setup for the target mode, 255 * this also makes sure we don't generate more pixel bandwidth than the device can handle */ 256 /* calculate settings, but do not actually test anything (that costs too much time!) */ 257 result = gx00_dac_pix_pll_find(*target,&pix_clock_found,&m,&n,&p,0); 258 /* update the target mode */ 259 target->timing.pixel_clock = (pix_clock_found * 1000); 260 261 /* note if we fell outside the limits */ 262 if ((target->timing.pixel_clock < low->timing.pixel_clock) || 263 (target->timing.pixel_clock > high->timing.pixel_clock) 264 ) 265 { 266 /* BWindowScreen workaround: we accept deviations <= 1Mhz */ 267 if ((target->timing.pixel_clock < (low->timing.pixel_clock - 1000)) || 268 (target->timing.pixel_clock > (high->timing.pixel_clock + 1000))) 269 { 270 status = B_BAD_VALUE; 271 } 272 LOG(4, ("PROPOSEMODE: WARNING: pixelclock deviates too much\n")); 273 } 274 275 /* checkout space needed for hardcursor (if any) */ 276 pointer_reservation = 0; 277 /* MIL 1/2 cards have a seperate buffer for the cursorbitmap inside the DAC */ 278 if ((si->ps.card_type >= G100) && si->settings.hardcursor) pointer_reservation = 1024; 279 /* memory requirement for frame buffer */ 280 if ((row_bytes * target->virtual_height) > 281 ((si->ps.memory_size * 1024 * 1024) - pointer_reservation)) 282 { 283 target->virtual_height = 284 ((si->ps.memory_size * 1024 * 1024) - pointer_reservation) / row_bytes; 285 } 286 if (target->virtual_height < target->timing.v_display) 287 { 288 LOG(4,("PROPOSEMODE: not enough memory for current mode, aborted.\n")); 289 return B_ERROR; 290 } 291 LOG(4,("PROPOSEMODE: validated virtual_width %d, virtual_height %d pixels\n", 292 target->virtual_width, target->virtual_height)); 293 294 if ((target->virtual_height < low->virtual_height) || 295 (target->virtual_height > high->virtual_height)) 296 { 297 status = B_BAD_VALUE; 298 LOG(4, ("PROPOSEMODE: WARNING: virtual_height deviates too much\n")); 299 } 300 301 /* setup status flags */ 302 LOG(1, ("PROPOSEMODE: initial modeflags: $%08x\n", target->flags)); 303 /* preset to singlehead card without TVout, no overlay support and no hardcursor. 304 * also advice system that app_server and acc engine may touch the framebuffer 305 * simultaneously (fixed). */ 306 target->flags &= 307 ~(DUALHEAD_CAPABLE | TV_CAPABLE | B_SUPPORTS_OVERLAYS | B_HARDWARE_CURSOR | B_IO_FB_NA); 308 /* we always allow parallel access (fixed), the DAC is always in 'enhanced' 309 * mode (fixed), and all modes support DPMS (fixed); 310 * We support scrolling and panning in every mode, so we 'send a signal' to 311 * BWindowScreen.CanControlFrameBuffer() by setting B_SCROLL. */ 312 /* BTW: B_PARALLEL_ACCESS in combination with a hardcursor enables 313 * BDirectWindow windowed modes. */ 314 target->flags |= (B_PARALLEL_ACCESS | B_8_BIT_DAC | B_DPMS | B_SCROLL); 315 316 /* determine the 'would be' max. pixelclock for the second DAC for the current videomode if dualhead were activated */ 317 switch (target->space) 318 { 319 case B_CMAP8: 320 max_vclk = si->ps.max_dac2_clock_8; 321 bpp = 1; 322 break; 323 case B_RGB15_LITTLE: 324 case B_RGB16_LITTLE: 325 max_vclk = si->ps.max_dac2_clock_16; 326 bpp = 2; 327 break; 328 case B_RGB24_LITTLE: 329 max_vclk = si->ps.max_dac2_clock_24; 330 bpp = 3; 331 break; 332 case B_RGB32_LITTLE: 333 max_vclk = si->ps.max_dac2_clock_32dh; 334 bpp = 4; 335 break; 336 default: 337 /* use fail-safe value */ 338 max_vclk = si->ps.max_dac2_clock_32dh; 339 bpp = 4; 340 break; 341 } 342 343 /* set DUALHEAD_CAPABLE if suitable */ 344 //fixme: update for independant secondary head use! (reserve fixed memory then) 345 if (si->ps.secondary_head && 346 ((target->space == B_RGB16_LITTLE) || (target->space == B_RGB32_LITTLE)) && 347 (target->timing.pixel_clock <= (max_vclk * 1000))) 348 { 349 /* extra line for G400 MAVEN vblank design fault workaround needed! */ 350 uint16 vblank_fix = 0; 351 if (si->ps.card_type <= G400MAX) vblank_fix = 1; 352 353 switch (target->flags & DUALHEAD_BITS) 354 { 355 case DUALHEAD_ON: 356 case DUALHEAD_SWITCH: 357 if ((((si->ps.memory_size * 1024 * 1024) - pointer_reservation) >= 358 (row_bytes * (target->virtual_height + vblank_fix))) && 359 ((uint16)(row_bytes / bpp) >= (target->timing.h_display * 2))) 360 { 361 target->flags |= DUALHEAD_CAPABLE; 362 } 363 break; 364 case DUALHEAD_CLONE: 365 if (((si->ps.memory_size * 1024 * 1024) - pointer_reservation) >= 366 (row_bytes * (target->virtual_height + vblank_fix))) 367 { 368 target->flags |= DUALHEAD_CAPABLE; 369 } 370 break; 371 case DUALHEAD_OFF: 372 if (((si->ps.memory_size * 1024 * 1024) - pointer_reservation) >= 373 (row_bytes * (target->virtual_height + vblank_fix) * 2)) 374 { 375 target->flags |= DUALHEAD_CAPABLE; 376 } 377 break; 378 } 379 } 380 381 /* if not dualhead capable card clear dualhead flags */ 382 if (!(target->flags & DUALHEAD_CAPABLE)) 383 { 384 target->flags &= ~DUALHEAD_BITS; 385 } 386 387 /* set TV_CAPABLE if suitable: pixelclock is not important (defined by TVstandard) */ 388 switch (si->ps.card_type) 389 { 390 case G400: 391 case G400MAX: 392 //fixme: in theory singlehead cards can do TVout as well (if MAVEN mounted) 393 if (target->flags & DUALHEAD_CAPABLE) 394 { 395 if (si->ps.secondary_tvout && 396 (target->timing.h_display <= 1024) && 397 (target->timing.v_display <= 768)) 398 { 399 target->flags |= TV_CAPABLE; 400 } 401 } 402 break; 403 case G450: 404 case G550: 405 /* G450/G550 can only do secondary TVout in Video modes (no Desktop modes!) */ 406 if ((target->flags & DUALHEAD_CAPABLE) && (target->flags & TV_VIDEO)) 407 { 408 if (si->ps.secondary_tvout && 409 (target->timing.h_display <= 1024) && /* Hscaling option exists */ 410 (target->timing.v_display <= 576)) /* Vscaling option lacks */ 411 { 412 target->flags |= TV_CAPABLE; 413 } 414 } 415 break; 416 default: 417 //fixme: setup for G100 and G200 TVout later on... 418 break; 419 } 420 421 /* TVout can only be done if the interface cable is connected */ 422 if ((i2c_sec_tv_adapter() != B_OK) && (target->flags & TV_CAPABLE)) 423 { 424 target->flags &= ~TV_CAPABLE; 425 LOG(1, ("PROPOSEMODE: blocking TVout: no TVout cable connected!\n")); 426 } 427 428 /* if not TVout capable card and mode clear TVout flags */ 429 if (!(target->flags & TV_CAPABLE)) 430 { 431 target->flags &= ~TV_BITS; 432 } 433 434 /* fixme: currently the matrox driver can only do secondary TVout */ 435 target->flags &= ~TV_PRIMARY; 436 437 /* set HARDWARE_CURSOR mode if suitable */ 438 if (si->settings.hardcursor) 439 target->flags |= B_HARDWARE_CURSOR; 440 441 /* set SUPPORTS_OVERLAYS if suitable */ 442 if (si->ps.card_type >= G200) 443 target->flags |= B_SUPPORTS_OVERLAYS; 444 445 LOG(1, ("PROPOSEMODE: validated modeflags: $%08x\n", target->flags)); 446 447 /* overrule timing command flags to be (fixed) blank_pedestal = 0.0IRE, 448 * progressive scan (fixed), and setup sync_on_green flag according to 449 * mga.settings options file */ 450 target->timing.flags &= ~(B_BLANK_PEDESTAL | B_TIMING_INTERLACED | B_SYNC_ON_GREEN); 451 if (si->settings.greensync) 452 target->timing.flags |= B_SYNC_ON_GREEN; 453 /* The HSYNC and VSYNC command flags are actually executed by the driver. */ 454 455 if (status == B_OK) LOG(4, ("PROPOSEMODE: completed successfully.\n")); 456 else LOG(4, ("PROPOSEMODE: mode can be made, but outside given limits.\n")); 457 return status; 458 } 459 460 /* Return the number of modes this device will return from GET_MODE_LIST(). 461 This is precalculated in create_mode_list (called from InitAccelerant stuff) 462 */ 463 uint32 ACCELERANT_MODE_COUNT(void) 464 { 465 LOG(1, ("ACCELERANT_MODE_COUNT: the modelist contains %d modes\n",si->mode_count)); 466 467 return si->mode_count; 468 } 469 470 /* Copy the list of guaranteed supported video modes to the location provided.*/ 471 status_t GET_MODE_LIST(display_mode *dm) 472 { 473 LOG(1, ("GET_MODE_LIST: exporting the modelist created before.\n")); 474 475 memcpy(dm, my_mode_list, si->mode_count * sizeof(display_mode)); 476 return B_OK; 477 } 478 479 /* Create a list of display_modes to pass back to the caller.*/ 480 status_t create_mode_list(void) { 481 size_t max_size; 482 uint32 483 i, j, 484 pix_clk_range; 485 const display_mode 486 *src; 487 display_mode 488 *dst, 489 low, 490 high; 491 492 color_space spaces[4] = {B_RGB32_LITTLE,B_RGB16_LITTLE,B_RGB15_LITTLE,B_CMAP8}; 493 494 /* figure out how big the list could be, and adjust up to nearest multiple of B_PAGE_SIZE*/ 495 max_size = (((MODE_COUNT * 4) * sizeof(display_mode)) + (B_PAGE_SIZE-1)) & ~(B_PAGE_SIZE-1); 496 /* create an area to hold the info */ 497 si->mode_area = my_mode_list_area = 498 create_area("MGA accelerant mode info", (void **)&my_mode_list, B_ANY_ADDRESS, max_size, B_NO_LOCK, B_READ_AREA | B_WRITE_AREA); 499 if (my_mode_list_area < B_OK) return my_mode_list_area; 500 501 /* walk through our predefined list and see which modes fit this device */ 502 src = mode_list; 503 dst = my_mode_list; 504 si->mode_count = 0; 505 for (i = 0; i < MODE_COUNT; i++) { 506 /* set ranges for acceptable values */ 507 low = high = *src; 508 /* range is 6.25% of default clock: arbitrarily picked */ 509 pix_clk_range = low.timing.pixel_clock >> 5; 510 low.timing.pixel_clock -= pix_clk_range; 511 high.timing.pixel_clock += pix_clk_range; 512 /* 'some cards need wider virtual widths for certain modes': 513 * Not true. They might need a wider pitch, but this is _not_ reflected in 514 * virtual_width, but in fbc.bytes_per_row. */ 515 //So disable next line: 516 //high.virtual_width = 4096; 517 /* do it once for each depth we want to support */ 518 for (j = 0; j < (sizeof(spaces) / sizeof(color_space)); j++) 519 { 520 /* set target values */ 521 *dst = *src; 522 /* poke the specific space */ 523 dst->space = low.space = high.space = spaces[j]; 524 /* ask for a compatible mode */ 525 /* We have to check for B_OK, because otherwise the pix_clk_range 526 * won't be taken into account!! */ 527 //So don't do this: 528 //if (PROPOSE_DISPLAY_MODE(dst, &low, &high) != B_ERROR) { 529 //Instead, do this: 530 if (PROPOSE_DISPLAY_MODE(dst, &low, &high) == B_OK) { 531 /* count it, and move on to next mode */ 532 dst++; 533 si->mode_count++; 534 } 535 } 536 /* advance to next mode */ 537 src++; 538 } 539 540 return B_OK; 541 } 542