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 9/2002-5/2006 8 */ 9 10 #include <string.h> 11 12 #define MODULE_BIT 0x00400000 13 14 #include "acc_std.h" 15 16 #define T_POSITIVE_SYNC (B_POSITIVE_HSYNC | B_POSITIVE_VSYNC) 17 /* mode flags will be setup as status info by PROPOSEMODE! */ 18 #define MODE_FLAGS 0 19 #define MODE_COUNT (sizeof (mode_list) / sizeof (display_mode)) 20 21 /*some monitors only handle a fixed set of modes*/ 22 #include "valid_mode_list" 23 24 /*Standard VESA modes*/ 25 static const display_mode mode_list[] = { 26 { { 25175, 640, 656, 752, 800, 480, 490, 492, 525, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(640X480X8.Z1) */ 27 { { 27500, 640, 672, 768, 864, 480, 488, 494, 530, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* 640X480X60Hz */ 28 { { 30500, 640, 672, 768, 864, 480, 517, 523, 588, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* SVGA_640X480X60HzNI */ 29 { { 31500, 640, 664, 704, 832, 480, 489, 492, 520, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@70-72Hz_(640X480X8.Z1) */ 30 { { 31500, 640, 656, 720, 840, 480, 481, 484, 500, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(640X480X8.Z1) */ 31 { { 36000, 640, 696, 752, 832, 480, 481, 484, 509, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(640X480X8.Z1) */ 32 { { 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 */ 33 { { 38100, 800, 832, 960, 1088, 600, 602, 606, 620, 0}, B_CMAP8, 800, 600, 0, 0, MODE_FLAGS}, /* SVGA_800X600X56HzNI */ 34 { { 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 */ 35 { { 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 */ 36 { { 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 */ 37 { { 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 */ 38 { { 65000, 1024, 1048, 1184, 1344, 768, 771, 777, 806, 0}, B_CMAP8, 1024, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1024X768X8.Z1) + XFree86 */ 39 { { 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 */ 40 { { 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 */ 41 { { 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 */ 42 { { 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) */ 43 { { 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) */ 44 { { 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 */ 45 { { 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) */ 46 { { 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 */ 47 { { 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 */ 48 { { 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 */ 49 { { 122600, 1400, 1488, 1640, 1880, 1050, 1051, 1054, 1087, T_POSITIVE_SYNC}, B_CMAP8, 1400, 1050, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1400X1050) */ 50 { { 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 */ 51 /* identical lines to above one, apart from refreshrate.. */ 52 { { 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 */ 53 { { 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 */ 54 { { 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 */ 55 { { 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) */ 56 { { 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 */ 57 /* end identical lines. */ 58 { { 147100, 1680, 1784, 1968, 2256, 1050, 1051, 1054, 1087, T_POSITIVE_SYNC}, B_CMAP8, 1680, 1050, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1680X1050) */ 59 { { 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 */ 60 { { 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 */ 61 { { 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 */ 62 { { 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 */ 63 { { 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 */ 64 { { 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 */ 65 { { 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 */ 66 }; 67 68 /* 69 Check mode is between low and high limits 70 returns: 71 B_OK - found one 72 B_BAD_VALUE - mode can be made, but outside limits 73 B_ERROR - not possible 74 */ 75 /* BOUNDS WARNING: 76 * BeOS (tested R5.0.3PE) is failing BWindowScreen.SetFrameBuffer() if PROPOSEMODE 77 * returns B_BAD_VALUE. It's called by the OS with target, low and high set to 78 * have the same settings for BWindowScreen! 79 * Which means we should not return B_BAD_VALUE on anything except for deviations on: 80 * display_mode.virtual_width; 81 * display_mode.virtual_height; 82 * display_mode.timing.h_display; 83 * display_mode.timing.v_display; 84 */ 85 /* Note: 86 * The target mode should be modified to correspond to the mode as it can be made. */ 87 status_t PROPOSE_DISPLAY_MODE(display_mode *target, const display_mode *low, const display_mode *high) 88 { 89 status_t status = B_OK; 90 float pix_clock_found; 91 uint8 m,n,p, bpp; 92 status_t result; 93 uint32 max_vclk, row_bytes, pointer_reservation; 94 bool acc_mode; 95 double target_refresh = ((double)target->timing.pixel_clock * 1000.0) / 96 ( 97 (double)target->timing.h_total * 98 (double)target->timing.v_total 99 ); 100 bool 101 want_same_width = target->timing.h_display == target->virtual_width, 102 want_same_height = target->timing.v_display == target->virtual_height; 103 104 LOG(1, ("PROPOSEMODE: (ENTER) requested virtual_width %d, virtual_height %d\n", 105 target->virtual_width, target->virtual_height)); 106 107 /*check valid list: 108 if (VALID_REQUIRED is set) 109 { 110 if (find modes with same size) 111 { 112 pick one with nearest pixel clock 113 } 114 else 115 { 116 pick next largest with nearest pixel clock and modify visible portion as far as possible 117 } 118 } 119 */ 120 #ifdef VALID_MODE_REQUIRED 121 { 122 int i; 123 int closest_mode_ptr; 124 uint32 closest_mode_clock; 125 126 LOG(1, ("PROPOSEMODE: valid mode required!\n")); 127 128 closest_mode_ptr = 0xbad; 129 closest_mode_clock = 0; 130 for (i=0;i<VALID_MODES;i++) 131 { 132 /*check size is ok and clock is better than any found before*/ 133 if( 134 target->timing.h_display==valid_mode_list[i].h_display && 135 target->timing.v_display==valid_mode_list[i].v_display 136 ) 137 { 138 if ( 139 abs(valid_mode_list[i].pixel_clock-target->timing.pixel_clock)< 140 abs(closest_mode_clock-target->timing.pixel_clock) 141 ) 142 { 143 closest_mode_clock=valid_mode_list[i].pixel_clock; 144 closest_mode_ptr=i; 145 } 146 } 147 } 148 149 if (closest_mode_ptr==0xbad)/*if no modes of correct size*/ 150 { 151 LOG(4, ("PROPOSEMODE: no valid mode found, aborted.\n")); 152 return B_ERROR; 153 } 154 else 155 { 156 target->timing=valid_mode_list[closest_mode_ptr]; 157 target_refresh = ((double)target->timing.pixel_clock * 1000.0) / /*I require this refresh*/ 158 ((double)target->timing.h_total * (double)target->timing.v_total); 159 } 160 } 161 #endif 162 163 /* check colorspace versus requested dualhead mode */ 164 switch (target->space) 165 { 166 case B_CMAP8: 167 case B_RGB15: 168 /* mode will be made 'outside limits' when dualhead was requested */ 169 if (target->flags & DUALHEAD_BITS) 170 { 171 status = B_BAD_VALUE; 172 LOG(4, ("PROPOSEMODE: WARNING: Colorspace can't be done in dualhead mode\n")); 173 } 174 /* clear dualhead bits if colorspace isn't supported to prevent ProposeMode 175 * from aborting */ 176 target->flags &= ~(DUALHEAD_BITS | DUALHEAD_CAPABLE); 177 break; 178 } 179 180 /*find a nearby valid timing from that given*/ 181 result = gx00_crtc_validate_timing 182 ( 183 &target->timing.h_display, &target->timing.h_sync_start, &target->timing.h_sync_end, &target->timing.h_total, 184 &target->timing.v_display, &target->timing.v_sync_start, &target->timing.v_sync_end, &target->timing.v_total 185 ); 186 if (result == B_ERROR) 187 { 188 LOG(4, ("PROPOSEMODE: could not validate timing, aborted.\n")); 189 return result; 190 } 191 192 /* validate display vs. virtual */ 193 if ((target->timing.h_display > target->virtual_width) || want_same_width) 194 target->virtual_width = target->timing.h_display; 195 if ((target->timing.v_display > target->virtual_height) || want_same_height) 196 target->virtual_height = target->timing.v_display; 197 198 /* nail virtual size and 'subsequently' calculate rowbytes */ 199 result = gx00_general_validate_pic_size (target, &row_bytes, &acc_mode); 200 if (result == B_ERROR) 201 { 202 LOG(4, ("PROPOSEMODE: could not validate virtual picture size, aborted.\n")); 203 return result; 204 } 205 206 /*check if virtual_width is still within the requested limits*/ 207 if ((target->virtual_width < low->virtual_width) || 208 (target->virtual_width > high->virtual_width)) 209 { 210 status = B_BAD_VALUE; 211 LOG(4, ("PROPOSEMODE: WARNING: virtual_width deviates too much\n")); 212 } 213 214 /*check if timing found is within the requested horizontal limits*/ 215 if ((target->timing.h_display < low->timing.h_display) || 216 (target->timing.h_display > high->timing.h_display) || 217 (target->timing.h_sync_start < low->timing.h_sync_start) || 218 (target->timing.h_sync_start > high->timing.h_sync_start) || 219 (target->timing.h_sync_end < low->timing.h_sync_end) || 220 (target->timing.h_sync_end > high->timing.h_sync_end) || 221 (target->timing.h_total < low->timing.h_total) || 222 (target->timing.h_total > high->timing.h_total)) 223 { 224 /* BWindowScreen workaround: we accept everything except h_display deviations */ 225 if ((target->timing.h_display < low->timing.h_display) || 226 (target->timing.h_display > high->timing.h_display)) 227 { 228 status = B_BAD_VALUE; 229 } 230 LOG(4, ("PROPOSEMODE: WARNING: horizontal timing deviates too much\n")); 231 } 232 233 /*check if timing found is within the requested vertical limits*/ 234 if ( 235 (target->timing.v_display < low->timing.v_display) || 236 (target->timing.v_display > high->timing.v_display) || 237 (target->timing.v_sync_start < low->timing.v_sync_start) || 238 (target->timing.v_sync_start > high->timing.v_sync_start) || 239 (target->timing.v_sync_end < low->timing.v_sync_end) || 240 (target->timing.v_sync_end > high->timing.v_sync_end) || 241 (target->timing.v_total < low->timing.v_total) || 242 (target->timing.v_total > high->timing.v_total) 243 ) 244 { 245 /* BWindowScreen workaround: we accept everything except v_display deviations */ 246 if ((target->timing.v_display < low->timing.v_display) || 247 (target->timing.v_display > high->timing.v_display)) 248 { 249 status = B_BAD_VALUE; 250 } 251 LOG(4, ("PROPOSEMODE: WARNING: vertical timing deviates too much\n")); 252 } 253 254 /* adjust pixelclock for possible timing modifications done above */ 255 target->timing.pixel_clock = target_refresh * ((double)target->timing.h_total) * ((double)target->timing.v_total) / 1000.0; 256 257 /* Now find the nearest valid pixelclock we actually can setup for the target mode, 258 * this also makes sure we don't generate more pixel bandwidth than the device can handle */ 259 /* calculate settings, but do not actually test anything (that costs too much time!) */ 260 result = gx00_dac_pix_pll_find(*target,&pix_clock_found,&m,&n,&p,0); 261 /* update the target mode */ 262 target->timing.pixel_clock = (pix_clock_found * 1000); 263 264 /* note if we fell outside the limits */ 265 if ((target->timing.pixel_clock < low->timing.pixel_clock) || 266 (target->timing.pixel_clock > high->timing.pixel_clock) 267 ) 268 { 269 /* BWindowScreen workaround: we accept deviations <= 1Mhz */ 270 if ((target->timing.pixel_clock < (low->timing.pixel_clock - 1000)) || 271 (target->timing.pixel_clock > (high->timing.pixel_clock + 1000))) 272 { 273 status = B_BAD_VALUE; 274 } 275 LOG(4, ("PROPOSEMODE: WARNING: pixelclock deviates too much\n")); 276 } 277 278 /* checkout space needed for hardcursor (if any) */ 279 pointer_reservation = 0; 280 /* MIL 1/2 cards have a seperate buffer for the cursorbitmap inside the DAC */ 281 if ((si->ps.card_type >= G100) && si->settings.hardcursor) pointer_reservation = 1024; 282 /* memory requirement for frame buffer */ 283 if ((row_bytes * target->virtual_height) > 284 ((si->ps.memory_size * 1024 * 1024) - pointer_reservation)) 285 { 286 target->virtual_height = 287 ((si->ps.memory_size * 1024 * 1024) - pointer_reservation) / row_bytes; 288 } 289 if (target->virtual_height < target->timing.v_display) 290 { 291 LOG(4,("PROPOSEMODE: not enough memory for current mode, aborted.\n")); 292 return B_ERROR; 293 } 294 LOG(4,("PROPOSEMODE: validated virtual_width %d, virtual_height %d pixels\n", 295 target->virtual_width, target->virtual_height)); 296 297 if ((target->virtual_height < low->virtual_height) || 298 (target->virtual_height > high->virtual_height)) 299 { 300 status = B_BAD_VALUE; 301 LOG(4, ("PROPOSEMODE: WARNING: virtual_height deviates too much\n")); 302 } 303 304 /* setup status flags */ 305 LOG(1, ("PROPOSEMODE: initial modeflags: $%08x\n", target->flags)); 306 /* preset to singlehead card without TVout, no overlay support and no hardcursor. 307 * also advice system that app_server and acc engine may touch the framebuffer 308 * simultaneously (fixed). */ 309 target->flags &= 310 ~(DUALHEAD_CAPABLE | TV_CAPABLE | B_SUPPORTS_OVERLAYS | B_HARDWARE_CURSOR | B_IO_FB_NA); 311 /* we always allow parallel access (fixed), the DAC is always in 'enhanced' 312 * mode (fixed), and all modes support DPMS (fixed); 313 * We support scrolling and panning in every mode, so we 'send a signal' to 314 * BWindowScreen.CanControlFrameBuffer() by setting B_SCROLL. */ 315 /* BTW: B_PARALLEL_ACCESS in combination with a hardcursor enables 316 * BDirectWindow windowed modes. */ 317 target->flags |= (B_PARALLEL_ACCESS | B_8_BIT_DAC | B_DPMS | B_SCROLL); 318 319 /* determine the 'would be' max. pixelclock for the second DAC for the current videomode if dualhead were activated */ 320 switch (target->space) 321 { 322 case B_CMAP8: 323 max_vclk = si->ps.max_dac2_clock_8; 324 bpp = 1; 325 break; 326 case B_RGB15_LITTLE: 327 case B_RGB16_LITTLE: 328 max_vclk = si->ps.max_dac2_clock_16; 329 bpp = 2; 330 break; 331 case B_RGB24_LITTLE: 332 max_vclk = si->ps.max_dac2_clock_24; 333 bpp = 3; 334 break; 335 case B_RGB32_LITTLE: 336 max_vclk = si->ps.max_dac2_clock_32dh; 337 bpp = 4; 338 break; 339 default: 340 /* use fail-safe value */ 341 max_vclk = si->ps.max_dac2_clock_32dh; 342 bpp = 4; 343 break; 344 } 345 346 /* set DUALHEAD_CAPABLE if suitable */ 347 //fixme: update for independant secondary head use! (reserve fixed memory then) 348 if (si->ps.secondary_head && 349 ((target->space == B_RGB16_LITTLE) || (target->space == B_RGB32_LITTLE)) && 350 (target->timing.pixel_clock <= (max_vclk * 1000))) 351 { 352 /* extra line for G400 MAVEN vblank design fault workaround needed! */ 353 uint16 vblank_fix = 0; 354 if (si->ps.card_type <= G400MAX) vblank_fix = 1; 355 356 switch (target->flags & DUALHEAD_BITS) 357 { 358 case DUALHEAD_ON: 359 case DUALHEAD_SWITCH: 360 if ((((si->ps.memory_size * 1024 * 1024) - pointer_reservation) >= 361 (row_bytes * (target->virtual_height + vblank_fix))) && 362 ((uint16)(row_bytes / bpp) >= (target->timing.h_display * 2))) 363 { 364 target->flags |= DUALHEAD_CAPABLE; 365 } 366 break; 367 case DUALHEAD_CLONE: 368 if (((si->ps.memory_size * 1024 * 1024) - pointer_reservation) >= 369 (row_bytes * (target->virtual_height + vblank_fix))) 370 { 371 target->flags |= DUALHEAD_CAPABLE; 372 } 373 break; 374 case DUALHEAD_OFF: 375 if (((si->ps.memory_size * 1024 * 1024) - pointer_reservation) >= 376 (row_bytes * (target->virtual_height + vblank_fix) * 2)) 377 { 378 target->flags |= DUALHEAD_CAPABLE; 379 } 380 break; 381 } 382 } 383 384 /* if not dualhead capable card clear dualhead flags */ 385 if (!(target->flags & DUALHEAD_CAPABLE)) 386 { 387 target->flags &= ~DUALHEAD_BITS; 388 } 389 390 /* set TV_CAPABLE if suitable: pixelclock is not important (defined by TVstandard) */ 391 switch (si->ps.card_type) 392 { 393 case G100: 394 case G200: 395 /* confirmed most 8-bit modes to be troublesome for TVout (data fetch errors). */ 396 if (si->ps.tvout && 397 ((target->space == B_RGB16_LITTLE) || (target->space == B_RGB32_LITTLE)) && 398 (target->timing.h_display <= 1024) && 399 (target->timing.v_display <= 768)) 400 { 401 target->flags |= TV_CAPABLE; 402 } 403 break; 404 case G400: 405 case G400MAX: 406 if (si->ps.tvout && 407 ((target->space == B_RGB16_LITTLE) || (target->space == B_RGB32_LITTLE)) && 408 (target->timing.h_display <= 1024) && 409 (target->timing.v_display <= 768)) 410 { 411 target->flags |= TV_CAPABLE; 412 } 413 break; 414 case G450: 415 case G550: 416 /* G450/G550 can only do secondary TVout in Video modes (no Desktop modes!) */ 417 if ((target->flags & DUALHEAD_CAPABLE) && (target->flags & TV_VIDEO)) 418 { 419 if (si->ps.tvout && 420 (target->timing.h_display <= 1024) && /* Hscaling option exists */ 421 (target->timing.v_display <= 576)) /* Vscaling option lacks */ 422 { 423 target->flags |= TV_CAPABLE; 424 } 425 } 426 break; 427 default: 428 break; 429 } 430 431 /* TVout can only be done if the interface cable is connected on dualhead cards */ 432 if (si->ps.secondary_head && (i2c_sec_tv_adapter() != B_OK)) 433 { 434 target->flags &= ~TV_CAPABLE; 435 LOG(1, ("PROPOSEMODE: blocking TVout: no TVout cable connected!\n")); 436 } 437 438 /* if not TVout capable card and mode clear TVout flags */ 439 if (!(target->flags & TV_CAPABLE)) 440 { 441 target->flags &= ~TV_BITS; 442 } 443 444 /* the matrox driver can only do secondary TVout on dualhead cards */ 445 if ((target->flags & TV_BITS) && !si->ps.secondary_head) 446 { 447 target->flags |= TV_PRIMARY; 448 } 449 else 450 { 451 target->flags &= ~TV_PRIMARY; 452 } 453 454 /* set HARDWARE_CURSOR mode if suitable */ 455 if (si->settings.hardcursor) 456 target->flags |= B_HARDWARE_CURSOR; 457 458 /* set SUPPORTS_OVERLAYS if suitable */ 459 if (si->ps.card_type >= G200) 460 target->flags |= B_SUPPORTS_OVERLAYS; 461 462 LOG(1, ("PROPOSEMODE: validated modeflags: $%08x\n", target->flags)); 463 464 /* overrule timing command flags to be (fixed) blank_pedestal = 0.0IRE, 465 * progressive scan (fixed), and setup sync_on_green flag according to 466 * mga.settings options file */ 467 target->timing.flags &= ~(B_BLANK_PEDESTAL | B_TIMING_INTERLACED | B_SYNC_ON_GREEN); 468 if (si->settings.greensync) 469 target->timing.flags |= B_SYNC_ON_GREEN; 470 /* The HSYNC and VSYNC command flags are actually executed by the driver. */ 471 472 if (status == B_OK) LOG(4, ("PROPOSEMODE: completed successfully.\n")); 473 else LOG(4, ("PROPOSEMODE: mode can be made, but outside given limits.\n")); 474 return status; 475 } 476 477 /* Return the number of modes this device will return from GET_MODE_LIST(). 478 This is precalculated in create_mode_list (called from InitAccelerant stuff) 479 */ 480 uint32 ACCELERANT_MODE_COUNT(void) 481 { 482 LOG(1, ("ACCELERANT_MODE_COUNT: the modelist contains %d modes\n",si->mode_count)); 483 484 return si->mode_count; 485 } 486 487 /* Copy the list of guaranteed supported video modes to the location provided.*/ 488 status_t GET_MODE_LIST(display_mode *dm) 489 { 490 LOG(1, ("GET_MODE_LIST: exporting the modelist created before.\n")); 491 492 memcpy(dm, my_mode_list, si->mode_count * sizeof(display_mode)); 493 return B_OK; 494 } 495 496 /* Create a list of display_modes to pass back to the caller.*/ 497 status_t create_mode_list(void) { 498 size_t max_size; 499 uint32 500 i, j, 501 pix_clk_range; 502 const display_mode 503 *src; 504 display_mode 505 *dst, 506 low, 507 high; 508 509 color_space spaces[4] = {B_RGB32_LITTLE,B_RGB16_LITTLE,B_RGB15_LITTLE,B_CMAP8}; 510 511 /* figure out how big the list could be, and adjust up to nearest multiple of B_PAGE_SIZE*/ 512 max_size = (((MODE_COUNT * 4) * sizeof(display_mode)) + (B_PAGE_SIZE-1)) & ~(B_PAGE_SIZE-1); 513 /* create an area to hold the info */ 514 si->mode_area = my_mode_list_area = 515 create_area("MGA accelerant mode info", (void **)&my_mode_list, B_ANY_ADDRESS, max_size, B_NO_LOCK, B_READ_AREA | B_WRITE_AREA); 516 if (my_mode_list_area < B_OK) return my_mode_list_area; 517 518 /* walk through our predefined list and see which modes fit this device */ 519 src = mode_list; 520 dst = my_mode_list; 521 si->mode_count = 0; 522 for (i = 0; i < MODE_COUNT; i++) { 523 /* set ranges for acceptable values */ 524 low = high = *src; 525 /* range is 6.25% of default clock: arbitrarily picked */ 526 pix_clk_range = low.timing.pixel_clock >> 5; 527 low.timing.pixel_clock -= pix_clk_range; 528 high.timing.pixel_clock += pix_clk_range; 529 /* 'some cards need wider virtual widths for certain modes': 530 * Not true. They might need a wider pitch, but this is _not_ reflected in 531 * virtual_width, but in fbc.bytes_per_row. */ 532 //So disable next line: 533 //high.virtual_width = 4096; 534 /* do it once for each depth we want to support */ 535 for (j = 0; j < (sizeof(spaces) / sizeof(color_space)); j++) 536 { 537 /* set target values */ 538 *dst = *src; 539 /* poke the specific space */ 540 dst->space = low.space = high.space = spaces[j]; 541 /* ask for a compatible mode */ 542 /* We have to check for B_OK, because otherwise the pix_clk_range 543 * won't be taken into account!! */ 544 //So don't do this: 545 //if (PROPOSE_DISPLAY_MODE(dst, &low, &high) != B_ERROR) { 546 //Instead, do this: 547 if (PROPOSE_DISPLAY_MODE(dst, &low, &high) == B_OK) { 548 /* count it, and move on to next mode */ 549 dst++; 550 si->mode_count++; 551 } 552 } 553 /* advance to next mode */ 554 src++; 555 } 556 557 return B_OK; 558 } 559