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 NV driver: 6 Mark Watson, 7 Rudolf Cornelissen 9/2002-5/2004 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 * plus panel specific resolution modes which are internally modified during run-time depending on the requirements of the actual 24 * panel connected. The modes as listed here, should timing-wise be as compatible with analog (CRT) monitors as can be... */ 25 static const display_mode mode_list[] = { 26 /* 4:3 modes; 307.2k pixels */ 27 { { 25175, 640, 656, 752, 800, 480, 490, 492, 525, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(640X480X8.Z1) */ 28 { { 27500, 640, 672, 768, 864, 480, 488, 494, 530, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* 640X480X60Hz */ 29 { { 30500, 640, 672, 768, 864, 480, 517, 523, 588, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* SVGA_640X480X60HzNI */ 30 { { 31500, 640, 664, 704, 832, 480, 489, 492, 520, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@70-72Hz_(640X480X8.Z1) */ 31 { { 31500, 640, 656, 720, 840, 480, 481, 484, 500, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(640X480X8.Z1) */ 32 { { 36000, 640, 696, 752, 832, 480, 481, 484, 509, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(640X480X8.Z1) */ 33 /* 4:3 modes; 480k pixels */ 34 { { 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 */ 35 { { 38100, 800, 832, 960, 1088, 600, 602, 606, 620, 0}, B_CMAP8, 800, 600, 0, 0, MODE_FLAGS}, /* SVGA_800X600X56HzNI */ 36 { { 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 */ 37 { { 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 */ 38 { { 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 */ 39 { { 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 */ 40 /* 4:3 modes; 786.432k pixels */ 41 { { 65000, 1024, 1048, 1184, 1344, 768, 771, 777, 806, 0}, B_CMAP8, 1024, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1024X768X8.Z1) + XFree86 */ 42 { { 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 */ 43 { { 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 */ 44 { { 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 */ 45 /* 4:3 modes; 995.328k pixels */ 46 { { 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) */ 47 { { 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) */ 48 { { 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 */ 49 { { 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) */ 50 /* 5:4 modes; 1.311M pixels */ 51 { { 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 */ 52 { { 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 */ 53 { { 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 */ 54 /* 4:3 panel mode; 1.47M pixels */ 55 { { 122600, 1400, 1488, 1640, 1880, 1050, 1051, 1054, 1087, T_POSITIVE_SYNC}, B_CMAP8, 1400, 1050, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1400X1050) */ 56 /* 4:3 modes; 1.92M pixels */ 57 { { 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 */ 58 /* identical lines to above one, apart from refreshrate.. */ 59 { { 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 */ 60 { { 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 */ 61 { { 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 */ 62 { { 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) */ 63 { { 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 */ 64 /* end identical lines. */ 65 /* 4:3 modes; 2.408M pixels */ 66 { { 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 */ 67 { { 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 */ 68 /* 4:3 modes; 2.584M pixels */ 69 { { 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 */ 70 { { 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 */ 71 /* 4:3 modes; 2.765M pixels */ 72 { { 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 */ 73 { { 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 */ 74 /* 4:3 modes; 3.146M pixels */ 75 { { 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 */ 76 /* 16:10 panel mode; 400k pixels */ 77 { { 31300, 800, 848, 928, 1008, 500, 501, 504, 518, T_POSITIVE_SYNC}, B_CMAP8, 800, 500, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(800X500) */ 78 /* 16:10 panel mode; 655.36k pixels */ 79 { { 52800, 1024, 1072, 1176, 1328, 640, 641, 644, 663, T_POSITIVE_SYNC}, B_CMAP8, 1024, 640, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1024X640) */ 80 /* 16:10 panel mode; 1.024M pixels */ 81 { { 83500, 1280, 1344, 1480, 1680, 800, 801, 804, 828, T_POSITIVE_SYNC}, B_CMAP8, 1280, 800, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1280X800) */ 82 /* 16:10 panel mode; 1.296M pixels */ 83 { { 106500, 1440, 1520, 1672, 1904, 900, 901, 904, 932, T_POSITIVE_SYNC}, B_CMAP8, 1440, 900, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1440X900) */ 84 /* 16:10 panel mode; 1.764M pixels */ 85 { { 147100, 1680, 1784, 1968, 2256, 1050, 1051, 1054, 1087, T_POSITIVE_SYNC}, B_CMAP8, 1680, 1050, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1680X1050) */ 86 /* 16:10 panel mode; 2.304M pixels */ 87 { { 193200, 1920, 2048, 2256, 2592, 1200, 1201, 1204, 1242, T_POSITIVE_SYNC}, B_CMAP8, 1920, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1920X1200) */ 88 }; 89 90 /* 91 Check mode is between low and high limits 92 returns: 93 B_OK - found one 94 B_BAD_VALUE - mode can be made, but outside limits 95 B_ERROR - not possible 96 */ 97 /* BOUNDS WARNING: 98 * BeOS (tested R5.0.3PE) is failing BWindowScreen.SetFrameBuffer() if PROPOSEMODE 99 * returns B_BAD_VALUE. It's called by the OS with target, low and high set to 100 * have the same settings for BWindowScreen! 101 * Which means we should not return B_BAD_VALUE on anything except for deviations on: 102 * display_mode.virtual_width; 103 * display_mode.virtual_height; 104 * display_mode.timing.h_display; 105 * display_mode.timing.v_display; 106 */ 107 /* Note: 108 * The target mode should be modified to correspond to the mode as it can be made. */ 109 status_t PROPOSE_DISPLAY_MODE(display_mode *target, const display_mode *low, const display_mode *high) 110 { 111 status_t status = B_OK; 112 float pix_clock_found, target_aspect; 113 uint8 m,n,p, bpp; 114 status_t result; 115 uint32 max_vclk, row_bytes, pointer_reservation; 116 bool acc_mode; 117 double target_refresh = ((double)target->timing.pixel_clock * 1000.0) / 118 ( 119 (double)target->timing.h_total * 120 (double)target->timing.v_total 121 ); 122 bool 123 want_same_width = target->timing.h_display == target->virtual_width, 124 want_same_height = target->timing.v_display == target->virtual_height; 125 126 LOG(1, ("PROPOSEMODE: (ENTER) requested virtual_width %d, virtual_height %d\n", 127 target->virtual_width, target->virtual_height)); 128 129 /*check valid list: 130 if (VALID_REQUIRED is set) 131 { 132 if (find modes with same size) 133 { 134 pick one with nearest pixel clock 135 } 136 else 137 { 138 pick next largest with nearest pixel clock and modify visible portion as far as possible 139 } 140 } 141 */ 142 #ifdef VALID_MODE_REQUIRED 143 { 144 int i; 145 int closest_mode_ptr; 146 uint32 closest_mode_clock; 147 148 LOG(1, ("PROPOSEMODE: valid mode required!\n")); 149 150 closest_mode_ptr = 0xbad; 151 closest_mode_clock = 0; 152 for (i=0;i<VALID_MODES;i++) 153 { 154 /*check size is ok and clock is better than any found before*/ 155 if( 156 target->timing.h_display==valid_mode_list[i].h_display && 157 target->timing.v_display==valid_mode_list[i].v_display 158 ) 159 { 160 if ( 161 abs(valid_mode_list[i].pixel_clock-target->timing.pixel_clock)< 162 abs(closest_mode_clock-target->timing.pixel_clock) 163 ) 164 { 165 closest_mode_clock=valid_mode_list[i].pixel_clock; 166 closest_mode_ptr=i; 167 } 168 } 169 } 170 171 if (closest_mode_ptr==0xbad)/*if no modes of correct size*/ 172 { 173 LOG(4, ("PROPOSEMODE: no valid mode found, aborted.\n")); 174 return B_ERROR; 175 } 176 else 177 { 178 target->timing=valid_mode_list[closest_mode_ptr]; 179 target_refresh = ((double)target->timing.pixel_clock * 1000.0) / /*I require this refresh*/ 180 ((double)target->timing.h_total * (double)target->timing.v_total); 181 } 182 } 183 #endif 184 185 /*find a nearby valid timing from that given*/ 186 result = head1_validate_timing 187 ( 188 &target->timing.h_display, &target->timing.h_sync_start, &target->timing.h_sync_end, &target->timing.h_total, 189 &target->timing.v_display, &target->timing.v_sync_start, &target->timing.v_sync_end, &target->timing.v_total 190 ); 191 if (result == B_ERROR) 192 { 193 LOG(4, ("PROPOSEMODE: could not validate timing, aborted.\n")); 194 return result; 195 } 196 197 /* check if all connected output devices can display the requested mode's aspect: */ 198 /* calculate display mode aspect */ 199 target_aspect = (target->timing.h_display / ((float)target->timing.v_display)); 200 /* NOTE: 201 * allow 0.10 difference so 5:4 aspect panels will be able to use 4:3 aspect modes! */ 202 switch (si->ps.monitors) 203 { 204 case 0x01: /* digital panel on head 1, nothing on head 2 */ 205 if (si->ps.panel1_aspect < (target_aspect - 0.10)) 206 { 207 LOG(4, ("PROPOSEMODE: connected panel1 is not widescreen type, aborted.\n")); 208 return B_ERROR; 209 } 210 break; 211 case 0x10: /* nothing on head 1, digital panel on head 2 */ 212 if (si->ps.panel2_aspect < (target_aspect - 0.10)) 213 { 214 LOG(4, ("PROPOSEMODE: connected panel2 is not widescreen type, aborted.\n")); 215 return B_ERROR; 216 } 217 break; 218 case 0x11: /* digital panels on both heads */ 219 if ((si->ps.panel1_aspect < (target_aspect - 0.10)) || 220 (si->ps.panel2_aspect < (target_aspect - 0.10))) 221 { 222 LOG(4, ("PROPOSEMODE: not all connected panels are widescreen type, aborted.\n")); 223 return B_ERROR; 224 } 225 break; 226 default: /* at least one analog monitor is connected, or nothing detected at all */ 227 if (target_aspect > 1.34) 228 { 229 LOG(4, ("PROPOSEMODE: not all output devices can display widescreen modes, aborted.\n")); 230 return B_ERROR; 231 } 232 break; 233 } 234 235 /* check if panel(s) can display the requested resolution (if connected) */ 236 if (si->ps.tmds1_active) 237 { 238 if ((target->timing.h_display > si->ps.p1_timing.h_display) || 239 (target->timing.v_display > si->ps.p1_timing.v_display)) 240 { 241 LOG(4, ("PROPOSEMODE: panel1 can't display requested resolution, aborted.\n")); 242 return B_ERROR; 243 } 244 } 245 if (si->ps.tmds2_active) 246 { 247 if ((target->timing.h_display > si->ps.p2_timing.h_display) || 248 (target->timing.v_display > si->ps.p2_timing.v_display)) 249 { 250 LOG(4, ("PROPOSEMODE: panel2 can't display requested resolution, aborted.\n")); 251 return B_ERROR; 252 } 253 } 254 255 /* validate display vs. virtual */ 256 if ((target->timing.h_display > target->virtual_width) || want_same_width) 257 target->virtual_width = target->timing.h_display; 258 if ((target->timing.v_display > target->virtual_height) || want_same_height) 259 target->virtual_height = target->timing.v_display; 260 261 /* nail virtual size and 'subsequently' calculate rowbytes */ 262 result = nv_general_validate_pic_size (target, &row_bytes, &acc_mode); 263 if (result == B_ERROR) 264 { 265 LOG(4, ("PROPOSEMODE: could not validate virtual picture size, aborted.\n")); 266 return result; 267 } 268 269 /*check if virtual_width is still within the requested limits*/ 270 if ((target->virtual_width < low->virtual_width) || 271 (target->virtual_width > high->virtual_width)) 272 { 273 status = B_BAD_VALUE; 274 LOG(4, ("PROPOSEMODE: WARNING: virtual_width deviates too much\n")); 275 } 276 277 /*check if timing found is within the requested horizontal limits*/ 278 if ((target->timing.h_display < low->timing.h_display) || 279 (target->timing.h_display > high->timing.h_display) || 280 (target->timing.h_sync_start < low->timing.h_sync_start) || 281 (target->timing.h_sync_start > high->timing.h_sync_start) || 282 (target->timing.h_sync_end < low->timing.h_sync_end) || 283 (target->timing.h_sync_end > high->timing.h_sync_end) || 284 (target->timing.h_total < low->timing.h_total) || 285 (target->timing.h_total > high->timing.h_total)) 286 { 287 /* BWindowScreen workaround: we accept everything except h_display deviations */ 288 if ((target->timing.h_display < low->timing.h_display) || 289 (target->timing.h_display > high->timing.h_display)) 290 { 291 status = B_BAD_VALUE; 292 } 293 else 294 { 295 status = B_OK; 296 } 297 LOG(4, ("PROPOSEMODE: WARNING: horizontal timing deviates too much\n")); 298 } 299 300 /*check if timing found is within the requested vertical limits*/ 301 if ( 302 (target->timing.v_display < low->timing.v_display) || 303 (target->timing.v_display > high->timing.v_display) || 304 (target->timing.v_sync_start < low->timing.v_sync_start) || 305 (target->timing.v_sync_start > high->timing.v_sync_start) || 306 (target->timing.v_sync_end < low->timing.v_sync_end) || 307 (target->timing.v_sync_end > high->timing.v_sync_end) || 308 (target->timing.v_total < low->timing.v_total) || 309 (target->timing.v_total > high->timing.v_total) 310 ) 311 { 312 /* BWindowScreen workaround: we accept everything except v_display deviations */ 313 if ((target->timing.v_display < low->timing.v_display) || 314 (target->timing.v_display > high->timing.v_display)) 315 { 316 status = B_BAD_VALUE; 317 } 318 else 319 { 320 status = B_OK; 321 } 322 LOG(4, ("PROPOSEMODE: WARNING: vertical timing deviates too much\n")); 323 } 324 325 /* adjust pixelclock for possible timing modifications done above */ 326 target->timing.pixel_clock = target_refresh * ((double)target->timing.h_total) * ((double)target->timing.v_total) / 1000.0; 327 328 /* Now find the nearest valid pixelclock we actually can setup for the target mode, 329 * this also makes sure we don't generate more pixel bandwidth than the device can handle */ 330 /* calculate settings, but do not actually test anything (that costs too much time!) */ 331 result = head1_pix_pll_find(*target,&pix_clock_found,&m,&n,&p,0); 332 /* update the target mode */ 333 target->timing.pixel_clock = (pix_clock_found * 1000); 334 335 /* note if we fell outside the limits */ 336 if ((target->timing.pixel_clock < low->timing.pixel_clock) || 337 (target->timing.pixel_clock > high->timing.pixel_clock) 338 ) 339 { 340 /* BWindowScreen workaround: we accept deviations <= 1Mhz */ 341 if ((target->timing.pixel_clock < (low->timing.pixel_clock - 1000)) || 342 (target->timing.pixel_clock > (high->timing.pixel_clock + 1000))) 343 { 344 status = B_BAD_VALUE; 345 } 346 else 347 { 348 status = B_OK; 349 } 350 LOG(4, ("PROPOSEMODE: WARNING: pixelclock deviates too much\n")); 351 } 352 353 /* checkout space needed for hardcursor (if any) */ 354 pointer_reservation = 0; 355 if (si->settings.hardcursor) pointer_reservation = 2048; 356 /* memory requirement for frame buffer */ 357 if ((row_bytes * target->virtual_height) > 358 ((si->ps.memory_size * 1024 * 1024) - pointer_reservation)) 359 { 360 target->virtual_height = 361 ((si->ps.memory_size * 1024 * 1024) - pointer_reservation) / row_bytes; 362 } 363 if (target->virtual_height < target->timing.v_display) 364 { 365 LOG(4,("PROPOSEMODE: not enough memory for current mode, aborted.\n")); 366 return B_ERROR; 367 } 368 LOG(4,("PROPOSEMODE: validated virtual_width %d, virtual_height %d pixels\n", 369 target->virtual_width, target->virtual_height)); 370 371 if ((target->virtual_height < low->virtual_height) || 372 (target->virtual_height > high->virtual_height)) 373 { 374 status = B_BAD_VALUE; 375 LOG(4, ("PROPOSEMODE: WARNING: virtual_height deviates too much\n")); 376 } 377 378 /* setup status flags */ 379 LOG(1, ("PROPOSEMODE: initial modeflags: $%08x\n", target->flags)); 380 /* preset to singlehead card without TVout, no overlay support and no hardcursor. 381 * also advice system that app_server and acc engine may touch the framebuffer 382 * simultaneously (fixed). */ 383 target->flags &= 384 ~(DUALHEAD_CAPABLE | TV_CAPABLE | B_SUPPORTS_OVERLAYS | B_HARDWARE_CURSOR | B_IO_FB_NA); 385 /* we always allow parallel access (fixed), the DAC is always in 'enhanced' 386 * mode (fixed), and all modes support DPMS (fixed); 387 * We support scrolling and panning in every mode, so we 'send a signal' to 388 * BWindowScreen.CanControlFrameBuffer() by setting B_SCROLL. */ 389 /* BTW: B_PARALLEL_ACCESS in combination with a hardcursor enables 390 * BDirectWindow windowed modes. */ 391 target->flags |= (B_PARALLEL_ACCESS | B_8_BIT_DAC | B_DPMS | B_SCROLL); 392 393 /* determine the 'would be' max. pixelclock for the second DAC for the current videomode if dualhead were activated */ 394 switch (target->space) 395 { 396 case B_CMAP8: 397 max_vclk = si->ps.max_dac2_clock_8; 398 bpp = 1; 399 break; 400 case B_RGB15_LITTLE: 401 case B_RGB16_LITTLE: 402 max_vclk = si->ps.max_dac2_clock_16; 403 bpp = 2; 404 break; 405 case B_RGB24_LITTLE: 406 max_vclk = si->ps.max_dac2_clock_24; 407 bpp = 3; 408 break; 409 case B_RGB32_LITTLE: 410 max_vclk = si->ps.max_dac2_clock_32dh; 411 bpp = 4; 412 break; 413 default: 414 /* use fail-safe value */ 415 max_vclk = si->ps.max_dac2_clock_32dh; 416 bpp = 4; 417 break; 418 } 419 420 /* set DUALHEAD_CAPABLE if suitable */ 421 //fixme: update for independant secondary head use! (reserve fixed memory then) 422 if (si->ps.secondary_head && (target->timing.pixel_clock <= (max_vclk * 1000))) 423 { 424 switch (target->flags & DUALHEAD_BITS) 425 { 426 case DUALHEAD_ON: 427 case DUALHEAD_SWITCH: 428 if ((((si->ps.memory_size * 1024 * 1024) - pointer_reservation) >= 429 (row_bytes * target->virtual_height)) && 430 ((uint16)(row_bytes / bpp) >= (target->timing.h_display * 2))) 431 { 432 target->flags |= DUALHEAD_CAPABLE; 433 } 434 break; 435 case DUALHEAD_CLONE: 436 if (((si->ps.memory_size * 1024 * 1024) - pointer_reservation) >= 437 (row_bytes * target->virtual_height)) 438 { 439 target->flags |= DUALHEAD_CAPABLE; 440 } 441 break; 442 case DUALHEAD_OFF: 443 if (((si->ps.memory_size * 1024 * 1024) - pointer_reservation) >= 444 (row_bytes * target->virtual_height * 2)) 445 { 446 target->flags |= DUALHEAD_CAPABLE; 447 } 448 break; 449 } 450 } 451 452 /* set TV_CAPABLE if suitable: pixelclock is not important (defined by TVstandard) */ 453 //fixme: modify for G100 and G200 TVout later on... 454 if (target->flags & DUALHEAD_CAPABLE) 455 { 456 if (si->ps.tvout && 457 (target->timing.h_display <= 1024) && 458 (target->timing.v_display <= 768)) 459 { 460 target->flags |= TV_CAPABLE; 461 } 462 } 463 464 /* set HARDWARE_CURSOR mode if suitable */ 465 if (si->settings.hardcursor) 466 target->flags |= B_HARDWARE_CURSOR; 467 468 /* set SUPPORTS_OVERLAYS */ 469 target->flags |= B_SUPPORTS_OVERLAYS; 470 471 LOG(1, ("PROPOSEMODE: validated status modeflags: $%08x\n", target->flags)); 472 473 /* overrule timing command flags to be (fixed) blank_pedestal = 0.0IRE, 474 * progressive scan (fixed), and sync_on_green not avaible. */ 475 target->timing.flags &= ~(B_BLANK_PEDESTAL | B_TIMING_INTERLACED | B_SYNC_ON_GREEN); 476 /* The HSYNC and VSYNC command flags are actually executed by the driver. */ 477 478 if (status == B_OK) LOG(4, ("PROPOSEMODE: completed successfully.\n")); 479 else LOG(4, ("PROPOSEMODE: mode can be made, but outside given limits.\n")); 480 return status; 481 } 482 483 /* Return the number of modes this device will return from GET_MODE_LIST(). 484 This is precalculated in create_mode_list (called from InitAccelerant stuff) 485 */ 486 uint32 ACCELERANT_MODE_COUNT(void) 487 { 488 LOG(1, ("ACCELERANT_MODE_COUNT: the modelist contains %d modes\n",si->mode_count)); 489 490 return si->mode_count; 491 } 492 493 /* Copy the list of guaranteed supported video modes to the location provided.*/ 494 status_t GET_MODE_LIST(display_mode *dm) 495 { 496 LOG(1, ("GET_MODE_LIST: exporting the modelist created before.\n")); 497 498 memcpy(dm, my_mode_list, si->mode_count * sizeof(display_mode)); 499 return B_OK; 500 } 501 502 /* Create a list of display_modes to pass back to the caller.*/ 503 status_t create_mode_list(void) 504 { 505 size_t max_size; 506 uint32 507 i, j, 508 pix_clk_range; 509 const display_mode 510 *src; 511 display_mode 512 *dst, 513 low, 514 high; 515 516 color_space spaces[4] = {B_RGB32_LITTLE,B_RGB16_LITTLE,B_RGB15_LITTLE,B_CMAP8}; 517 518 /* figure out how big the list could be, and adjust up to nearest multiple of B_PAGE_SIZE */ 519 max_size = (((MODE_COUNT * 4) * sizeof(display_mode)) + (B_PAGE_SIZE-1)) & ~(B_PAGE_SIZE-1); 520 /* create an area to hold the info */ 521 si->mode_area = my_mode_list_area = 522 create_area("NV accelerant mode info", (void **)&my_mode_list, B_ANY_ADDRESS, max_size, B_NO_LOCK, B_READ_AREA | B_WRITE_AREA); 523 if (my_mode_list_area < B_OK) return my_mode_list_area; 524 525 /* walk through our predefined list and see which modes fit this device */ 526 src = mode_list; 527 dst = my_mode_list; 528 si->mode_count = 0; 529 for (i = 0; i < MODE_COUNT; i++) 530 { 531 /* set ranges for acceptable values */ 532 low = high = *src; 533 /* range is 6.25% of default clock: arbitrarily picked */ 534 pix_clk_range = low.timing.pixel_clock >> 5; 535 low.timing.pixel_clock -= pix_clk_range; 536 high.timing.pixel_clock += pix_clk_range; 537 /* 'some cards need wider virtual widths for certain modes': 538 * Not true. They might need a wider pitch, but this is _not_ reflected in 539 * virtual_width, but in fbc.bytes_per_row. */ 540 //So disable next line: 541 //high.virtual_width = 4096; 542 /* do it once for each depth we want to support */ 543 for (j = 0; j < (sizeof(spaces) / sizeof(color_space)); j++) 544 { 545 /* set target values */ 546 *dst = *src; 547 /* poke the specific space */ 548 dst->space = low.space = high.space = spaces[j]; 549 /* ask for a compatible mode */ 550 /* We have to check for B_OK, because otherwise the pix_clk_range 551 * won't be taken into account!! */ 552 //So don't do this: 553 //if (PROPOSE_DISPLAY_MODE(dst, &low, &high) != B_ERROR) { 554 //Instead, do this: 555 if (PROPOSE_DISPLAY_MODE(dst, &low, &high) == B_OK) { 556 /* count it, and move on to next mode */ 557 dst++; 558 si->mode_count++; 559 } 560 } 561 /* advance to next mode */ 562 src++; 563 } 564 565 return B_OK; 566 } 567