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 9/2002-11/2005 8*/ 9 10#define MODULE_BIT 0x00400000 11 12#include "acc_std.h" 13 14#include <string.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 * plus panel specific resolution modes which are internally modified during run-time depending on the requirements of the actual 26 * panel connected. The modes as listed here, should timing-wise be as compatible with analog (CRT) monitors as can be... */ 27static const display_mode mode_list[] = { 28/* 4:3 modes; 307.2k pixels */ 29{ { 25175, 640, 656, 752, 800, 480, 490, 492, 525, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(640X480X8.Z1) */ 30{ { 27500, 640, 672, 768, 864, 480, 488, 494, 530, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* 640X480X60Hz */ 31{ { 30500, 640, 672, 768, 864, 480, 517, 523, 588, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* SVGA_640X480X60HzNI */ 32{ { 31500, 640, 664, 704, 832, 480, 489, 492, 520, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@70-72Hz_(640X480X8.Z1) */ 33{ { 31500, 640, 656, 720, 840, 480, 481, 484, 500, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(640X480X8.Z1) */ 34{ { 36000, 640, 696, 752, 832, 480, 481, 484, 509, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(640X480X8.Z1) */ 35/* 4:3 modes; 480k pixels */ 36{ { 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 */ 37{ { 38100, 800, 832, 960, 1088, 600, 602, 606, 620, 0}, B_CMAP8, 800, 600, 0, 0, MODE_FLAGS}, /* SVGA_800X600X56HzNI */ 38{ { 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 */ 39{ { 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 */ 40{ { 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 */ 41{ { 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 */ 42/* 4:3 modes; 786.432k pixels */ 43{ { 65000, 1024, 1048, 1184, 1344, 768, 771, 777, 806, 0}, B_CMAP8, 1024, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1024X768X8.Z1) + XFree86 */ 44{ { 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 */ 45{ { 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 */ 46{ { 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 */ 47/* 4:3 modes; 995.328k pixels */ 48{ { 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) */ 49{ { 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) */ 50{ { 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 */ 51{ { 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) */ 52/* 5:4 modes; 1.311M pixels */ 53{ { 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 */ 54{ { 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 */ 55{ { 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 */ 56/* 4:3 panel mode; 1.47M pixels */ 57{ { 122600, 1400, 1488, 1640, 1880, 1050, 1051, 1054, 1087, T_POSITIVE_SYNC}, B_CMAP8, 1400, 1050, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1400X1050) */ 58/* 4:3 modes; 1.92M pixels */ 59{ { 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 */ 60/* identical lines to above one, apart from refreshrate.. */ 61{ { 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 */ 62{ { 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 */ 63{ { 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 */ 64{ { 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) */ 65{ { 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 */ 66/* end identical lines. */ 67/* 4:3 modes; 2.408M pixels */ 68{ { 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 */ 69{ { 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 */ 70/* 4:3 modes; 2.584M pixels */ 71{ { 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 */ 72{ { 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 */ 73/* 4:3 modes; 2.765M pixels */ 74{ { 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 */ 75{ { 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 */ 76/* 4:3 modes; 3.146M pixels */ 77{ { 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 */ 78/* 16:10 panel mode; 400k pixels */ 79{ { 31300, 800, 848, 928, 1008, 500, 501, 504, 518, T_POSITIVE_SYNC}, B_CMAP8, 800, 500, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(800X500) */ 80/* 16:10 panel mode; 655.36k pixels */ 81{ { 52800, 1024, 1072, 1176, 1328, 640, 641, 644, 663, T_POSITIVE_SYNC}, B_CMAP8, 1024, 640, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1024X640) */ 82/* 16:10 panel-TV mode; 983.04k pixels */ 83{ { 80135, 1280, 1344, 1480, 1680, 768, 769, 772, 795, T_POSITIVE_SYNC}, B_CMAP8, 1280, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1280X768) */ 84/* 16:10 panel mode; 1.024M pixels */ 85{ { 83500, 1280, 1344, 1480, 1680, 800, 801, 804, 828, T_POSITIVE_SYNC}, B_CMAP8, 1280, 800, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1280X800) */ 86/* 16:10 panel mode; 1.296M pixels */ 87{ { 106500, 1440, 1520, 1672, 1904, 900, 901, 904, 932, T_POSITIVE_SYNC}, B_CMAP8, 1440, 900, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1440X900) */ 88/* 16:10 panel mode; 1.764M pixels */ 89{ { 147100, 1680, 1784, 1968, 2256, 1050, 1051, 1054, 1087, T_POSITIVE_SYNC}, B_CMAP8, 1680, 1050, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1680X1050) */ 90/* 16:10 panel mode; 2.304M pixels */ 91{ { 193200, 1920, 2048, 2256, 2592, 1200, 1201, 1204, 1242, T_POSITIVE_SYNC}, B_CMAP8, 1920, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1920X1200) */ 92}; 93 94/* 95Check mode is between low and high limits 96returns: 97 B_OK - found one 98 B_BAD_VALUE - mode can be made, but outside limits 99 B_ERROR - not possible 100*/ 101/* BOUNDS WARNING: 102 * BeOS (tested R5.0.3PE) is failing BWindowScreen.SetFrameBuffer() if PROPOSEMODE 103 * returns B_BAD_VALUE. It's called by the OS with target, low and high set to 104 * have the same settings for BWindowScreen! 105 * Which means we should not return B_BAD_VALUE on anything except for deviations on: 106 * display_mode.virtual_width; 107 * display_mode.virtual_height; 108 * display_mode.timing.h_display; 109 * display_mode.timing.v_display; 110 */ 111/* Note: 112 * The target mode should be modified to correspond to the mode as it can be made. */ 113status_t PROPOSE_DISPLAY_MODE(display_mode *target, const display_mode *low, const display_mode *high) 114{ 115 status_t status = B_OK; 116 float pix_clock_found, target_aspect; 117 uint8 m,n,p, bpp; 118 status_t result; 119 uint32 max_vclk, row_bytes, pointer_reservation; 120 bool acc_mode; 121 double target_refresh = ((double)target->timing.pixel_clock * 1000.0) / 122 ( 123 (double)target->timing.h_total * 124 (double)target->timing.v_total 125 ); 126 bool 127 want_same_width = target->timing.h_display == target->virtual_width, 128 want_same_height = target->timing.v_display == target->virtual_height; 129 130 LOG(1, ("PROPOSEMODE: (ENTER) requested virtual_width %d, virtual_height %d\n", 131 target->virtual_width, target->virtual_height)); 132 133 /*check valid list: 134 if (VALID_REQUIRED is set) 135 { 136 if (find modes with same size) 137 { 138 pick one with nearest pixel clock 139 } 140 else 141 { 142 pick next largest with nearest pixel clock and modify visible portion as far as possible 143 } 144 } 145 */ 146 #ifdef VALID_MODE_REQUIRED 147 { 148 int i; 149 int closest_mode_ptr; 150 uint32 closest_mode_clock; 151 152 LOG(1, ("PROPOSEMODE: valid mode required!\n")); 153 154 closest_mode_ptr = 0xbad; 155 closest_mode_clock = 0; 156 for (i=0;i<VALID_MODES;i++) 157 { 158 /*check size is ok and clock is better than any found before*/ 159 if( 160 target->timing.h_display==valid_mode_list[i].h_display && 161 target->timing.v_display==valid_mode_list[i].v_display 162 ) 163 { 164 if ( 165 abs(valid_mode_list[i].pixel_clock-target->timing.pixel_clock)< 166 abs(closest_mode_clock-target->timing.pixel_clock) 167 ) 168 { 169 closest_mode_clock=valid_mode_list[i].pixel_clock; 170 closest_mode_ptr=i; 171 } 172 } 173 } 174 175 if (closest_mode_ptr==0xbad)/*if no modes of correct size*/ 176 { 177 LOG(4, ("PROPOSEMODE: no valid mode found, aborted.\n")); 178 return B_ERROR; 179 } 180 else 181 { 182 target->timing=valid_mode_list[closest_mode_ptr]; 183 target_refresh = ((double)target->timing.pixel_clock * 1000.0) / /*I require this refresh*/ 184 ((double)target->timing.h_total * (double)target->timing.v_total); 185 } 186 } 187 #endif 188 189 /*find a nearby valid timing from that given*/ 190 result = head1_validate_timing 191 ( 192 &target->timing.h_display, &target->timing.h_sync_start, &target->timing.h_sync_end, &target->timing.h_total, 193 &target->timing.v_display, &target->timing.v_sync_start, &target->timing.v_sync_end, &target->timing.v_total 194 ); 195 if (result == B_ERROR) 196 { 197 LOG(4, ("PROPOSEMODE: could not validate timing, aborted.\n")); 198 return result; 199 } 200 201 /* check if all connected output devices can display the requested mode's aspect: */ 202 /* calculate display mode aspect */ 203 target_aspect = (target->timing.h_display / ((float)target->timing.v_display)); 204 /* NOTE: 205 * allow 0.10 difference so 5:4 aspect panels will be able to use 4:3 aspect modes! */ 206 switch (si->ps.monitors) 207 { 208 case 0x01: /* digital panel on head 1, nothing on head 2 */ 209 if (si->ps.panel1_aspect < (target_aspect - 0.10)) 210 { 211 LOG(4, ("PROPOSEMODE: connected panel1 is not widescreen type, aborted.\n")); 212 return B_ERROR; 213 } 214 break; 215 case 0x10: /* nothing on head 1, digital panel on head 2 */ 216 if (si->ps.panel2_aspect < (target_aspect - 0.10)) 217 { 218 LOG(4, ("PROPOSEMODE: connected panel2 is not widescreen type, aborted.\n")); 219 return B_ERROR; 220 } 221 break; 222 case 0x11: /* digital panels on both heads */ 223 if ((si->ps.panel1_aspect < (target_aspect - 0.10)) || 224 (si->ps.panel2_aspect < (target_aspect - 0.10))) 225 { 226 LOG(4, ("PROPOSEMODE: not all connected panels are widescreen type, aborted.\n")); 227 return B_ERROR; 228 } 229 break; 230 default: /* at least one analog monitor is connected, or nothing detected at all */ 231 if (target_aspect > 1.34) 232 { 233 LOG(4, ("PROPOSEMODE: not all output devices can display widescreen modes, aborted.\n")); 234 return B_ERROR; 235 } 236 break; 237 } 238 239 /* only export widescreen panel-TV modes when an exact resolution match exists, 240 * to prevent the modelist from becoming too crowded */ 241 if (target_aspect > 1.61) 242 { 243 status_t panel_TV_stat = B_ERROR; 244 245 if (si->ps.tmds1_active) 246 { 247 if ((target->timing.h_display == si->ps.p1_timing.h_display) && 248 (target->timing.v_display == si->ps.p1_timing.v_display)) 249 { 250 panel_TV_stat = B_OK; 251 } 252 } 253 if (si->ps.tmds2_active) 254 { 255 if ((target->timing.h_display == si->ps.p2_timing.h_display) && 256 (target->timing.v_display == si->ps.p2_timing.v_display)) 257 { 258 panel_TV_stat = B_OK; 259 } 260 } 261 if (panel_TV_stat != B_OK) 262 { 263 LOG(4, ("PROPOSEMODE: WS panel_TV mode requested but no such TV here, aborted.\n")); 264 return B_ERROR; 265 } 266 } 267 268 /* check if panel(s) can display the requested resolution (if connected) */ 269 if (si->ps.tmds1_active) 270 { 271 if ((target->timing.h_display > si->ps.p1_timing.h_display) || 272 (target->timing.v_display > si->ps.p1_timing.v_display)) 273 { 274 LOG(4, ("PROPOSEMODE: panel1 can't display requested resolution, aborted.\n")); 275 return B_ERROR; 276 } 277 } 278 if (si->ps.tmds2_active) 279 { 280 if ((target->timing.h_display > si->ps.p2_timing.h_display) || 281 (target->timing.v_display > si->ps.p2_timing.v_display)) 282 { 283 LOG(4, ("PROPOSEMODE: panel2 can't display requested resolution, aborted.\n")); 284 return B_ERROR; 285 } 286 } 287 288 /* validate display vs. virtual */ 289 if ((target->timing.h_display > target->virtual_width) || want_same_width) 290 target->virtual_width = target->timing.h_display; 291 if ((target->timing.v_display > target->virtual_height) || want_same_height) 292 target->virtual_height = target->timing.v_display; 293 294 /* nail virtual size and 'subsequently' calculate rowbytes */ 295 result = eng_general_validate_pic_size (target, &row_bytes, &acc_mode); 296 if (result == B_ERROR) 297 { 298 LOG(4, ("PROPOSEMODE: could not validate virtual picture size, aborted.\n")); 299 return result; 300 } 301 302 /*check if virtual_width is still within the requested limits*/ 303 if ((target->virtual_width < low->virtual_width) || 304 (target->virtual_width > high->virtual_width)) 305 { 306 status = B_BAD_VALUE; 307 LOG(4, ("PROPOSEMODE: WARNING: virtual_width deviates too much\n")); 308 } 309 310 /*check if timing found is within the requested horizontal limits*/ 311 if ((target->timing.h_display < low->timing.h_display) || 312 (target->timing.h_display > high->timing.h_display) || 313 (target->timing.h_sync_start < low->timing.h_sync_start) || 314 (target->timing.h_sync_start > high->timing.h_sync_start) || 315 (target->timing.h_sync_end < low->timing.h_sync_end) || 316 (target->timing.h_sync_end > high->timing.h_sync_end) || 317 (target->timing.h_total < low->timing.h_total) || 318 (target->timing.h_total > high->timing.h_total)) 319 { 320 /* BWindowScreen workaround: we accept everything except h_display deviations */ 321 if ((target->timing.h_display < low->timing.h_display) || 322 (target->timing.h_display > high->timing.h_display)) 323 { 324 status = B_BAD_VALUE; 325 } 326 LOG(4, ("PROPOSEMODE: WARNING: horizontal timing deviates too much\n")); 327 } 328 329 /*check if timing found is within the requested vertical limits*/ 330 if ( 331 (target->timing.v_display < low->timing.v_display) || 332 (target->timing.v_display > high->timing.v_display) || 333 (target->timing.v_sync_start < low->timing.v_sync_start) || 334 (target->timing.v_sync_start > high->timing.v_sync_start) || 335 (target->timing.v_sync_end < low->timing.v_sync_end) || 336 (target->timing.v_sync_end > high->timing.v_sync_end) || 337 (target->timing.v_total < low->timing.v_total) || 338 (target->timing.v_total > high->timing.v_total) 339 ) 340 { 341 /* BWindowScreen workaround: we accept everything except v_display deviations */ 342 if ((target->timing.v_display < low->timing.v_display) || 343 (target->timing.v_display > high->timing.v_display)) 344 { 345 status = B_BAD_VALUE; 346 } 347 LOG(4, ("PROPOSEMODE: WARNING: vertical timing deviates too much\n")); 348 } 349 350 /* adjust pixelclock for possible timing modifications done above */ 351 target->timing.pixel_clock = target_refresh * ((double)target->timing.h_total) * ((double)target->timing.v_total) / 1000.0; 352 353 /* Now find the nearest valid pixelclock we actually can setup for the target mode, 354 * this also makes sure we don't generate more pixel bandwidth than the device can handle */ 355 /* calculate settings, but do not actually test anything (that costs too much time!) */ 356 result = head1_pix_pll_find(*target,&pix_clock_found,&m,&n,&p,0); 357 /* update the target mode */ 358 target->timing.pixel_clock = (pix_clock_found * 1000); 359 360 /* note if we fell outside the limits */ 361 if ((target->timing.pixel_clock < low->timing.pixel_clock) || 362 (target->timing.pixel_clock > high->timing.pixel_clock) 363 ) 364 { 365 /* BWindowScreen workaround: we accept deviations <= 1Mhz */ 366 if ((target->timing.pixel_clock < (low->timing.pixel_clock - 1000)) || 367 (target->timing.pixel_clock > (high->timing.pixel_clock + 1000))) 368 { 369 status = B_BAD_VALUE; 370 } 371 LOG(4, ("PROPOSEMODE: WARNING: pixelclock deviates too much\n")); 372 } 373 374 /* checkout space needed for hardcursor (if any) */ 375 pointer_reservation = 0; 376 if (si->settings.hardcursor) pointer_reservation = 2048; 377 /* memory requirement for frame buffer */ 378 if ((row_bytes * target->virtual_height) > 379 (si->ps.memory_size - pointer_reservation)) 380 { 381 target->virtual_height = 382 (si->ps.memory_size - pointer_reservation) / row_bytes; 383 } 384 if (target->virtual_height < target->timing.v_display) 385 { 386 LOG(4,("PROPOSEMODE: not enough memory for current mode, aborted.\n")); 387 return B_ERROR; 388 } 389 LOG(4,("PROPOSEMODE: validated virtual_width %d, virtual_height %d pixels\n", 390 target->virtual_width, target->virtual_height)); 391 392 if ((target->virtual_height < low->virtual_height) || 393 (target->virtual_height > high->virtual_height)) 394 { 395 status = B_BAD_VALUE; 396 LOG(4, ("PROPOSEMODE: WARNING: virtual_height deviates too much\n")); 397 } 398 399 /* setup status flags */ 400 LOG(1, ("PROPOSEMODE: initial modeflags: $%08x\n", target->flags)); 401 /* preset to singlehead card without TVout, no overlay support and no hardcursor. 402 * also advice system that app_server and acc engine may touch the framebuffer 403 * simultaneously (fixed). */ 404 target->flags &= 405 ~(DUALHEAD_CAPABLE | TV_CAPABLE | B_SUPPORTS_OVERLAYS | B_HARDWARE_CURSOR | B_IO_FB_NA); 406 /* we always allow parallel access (fixed), the DAC is always in 'enhanced' 407 * mode (fixed), and all modes support DPMS (fixed); 408 * We support scrolling and panning in every mode, so we 'send a signal' to 409 * BWindowScreen.CanControlFrameBuffer() by setting B_SCROLL. */ 410 /* BTW: B_PARALLEL_ACCESS in combination with a hardcursor enables 411 * BDirectWindow windowed modes. */ 412 target->flags |= (B_PARALLEL_ACCESS | B_8_BIT_DAC | B_DPMS | B_SCROLL); 413 414 /* determine the 'would be' max. pixelclock for the second DAC for the current videomode if dualhead were activated */ 415 switch (target->space) 416 { 417 case B_CMAP8: 418 max_vclk = si->ps.max_dac2_clock_8; 419 bpp = 1; 420 break; 421 case B_RGB15_LITTLE: 422 case B_RGB16_LITTLE: 423 max_vclk = si->ps.max_dac2_clock_16; 424 bpp = 2; 425 break; 426 case B_RGB24_LITTLE: 427 max_vclk = si->ps.max_dac2_clock_24; 428 bpp = 3; 429 break; 430 case B_RGB32_LITTLE: 431 max_vclk = si->ps.max_dac2_clock_32dh; 432 bpp = 4; 433 break; 434 default: 435 /* use fail-safe value */ 436 max_vclk = si->ps.max_dac2_clock_32dh; 437 bpp = 4; 438 break; 439 } 440 441 /* set DUALHEAD_CAPABLE if suitable */ 442 //fixme: update for independant secondary head use! (reserve fixed memory then) 443 if (si->ps.secondary_head && (target->timing.pixel_clock <= (max_vclk * 1000))) 444 { 445 switch (target->flags & DUALHEAD_BITS) 446 { 447 case DUALHEAD_ON: 448 case DUALHEAD_SWITCH: 449 if (((si->ps.memory_size - pointer_reservation) >= 450 (row_bytes * target->virtual_height)) && 451 ((uint16)(row_bytes / bpp) >= (target->timing.h_display * 2))) 452 { 453 target->flags |= DUALHEAD_CAPABLE; 454 } 455 break; 456 case DUALHEAD_CLONE: 457 if ((si->ps.memory_size - pointer_reservation) >= 458 (row_bytes * target->virtual_height)) 459 { 460 target->flags |= DUALHEAD_CAPABLE; 461 } 462 break; 463 case DUALHEAD_OFF: 464 if ((si->ps.memory_size - pointer_reservation) >= 465 (row_bytes * target->virtual_height * 2)) 466 { 467 target->flags |= DUALHEAD_CAPABLE; 468 } 469 break; 470 } 471 } 472 473 /* set TV_CAPABLE if suitable: pixelclock is not important (defined by TVstandard) */ 474 //fixme: modify for G100 and G200 TVout later on... 475 if (target->flags & DUALHEAD_CAPABLE) 476 { 477 if (si->ps.tvout && 478 (target->timing.h_display <= 1024) && 479 (target->timing.v_display <= 768)) 480 { 481 target->flags |= TV_CAPABLE; 482 } 483 } 484 485 /* set HARDWARE_CURSOR mode if suitable */ 486 if (si->settings.hardcursor) 487 target->flags |= B_HARDWARE_CURSOR; 488 489 /* set SUPPORTS_OVERLAYS */ 490 target->flags |= B_SUPPORTS_OVERLAYS; 491 492 LOG(1, ("PROPOSEMODE: validated status modeflags: $%08x\n", target->flags)); 493 494 /* overrule timing command flags to be (fixed) blank_pedestal = 0.0IRE, 495 * progressive scan (fixed), and sync_on_green not avaible. */ 496 target->timing.flags &= ~(B_BLANK_PEDESTAL | B_TIMING_INTERLACED | B_SYNC_ON_GREEN); 497 /* The HSYNC and VSYNC command flags are actually executed by the driver. */ 498 499 if (status == B_OK) LOG(4, ("PROPOSEMODE: completed successfully.\n")); 500 else LOG(4, ("PROPOSEMODE: mode can be made, but outside given limits.\n")); 501 return status; 502} 503 504/* Return the number of modes this device will return from GET_MODE_LIST(). 505 This is precalculated in create_mode_list (called from InitAccelerant stuff) 506*/ 507uint32 ACCELERANT_MODE_COUNT(void) 508{ 509 LOG(1, ("ACCELERANT_MODE_COUNT: the modelist contains %d modes\n",si->mode_count)); 510 511 return si->mode_count; 512} 513 514/* Copy the list of guaranteed supported video modes to the location provided.*/ 515status_t GET_MODE_LIST(display_mode *dm) 516{ 517 LOG(1, ("GET_MODE_LIST: exporting the modelist created before.\n")); 518 519 memcpy(dm, my_mode_list, si->mode_count * sizeof(display_mode)); 520 return B_OK; 521} 522 523/* Create a list of display_modes to pass back to the caller.*/ 524status_t create_mode_list(void) 525{ 526 size_t max_size; 527 uint32 528 i, j, 529 pix_clk_range; 530 const display_mode 531 *src; 532 display_mode 533 *dst, 534 low, 535 high; 536 537 color_space spaces[4] = {B_RGB32_LITTLE,B_RGB16_LITTLE,B_RGB15_LITTLE,B_CMAP8}; 538 539 /* figure out how big the list could be, and adjust up to nearest multiple of B_PAGE_SIZE */ 540 max_size = (((MODE_COUNT * 4) * sizeof(display_mode)) + (B_PAGE_SIZE-1)) & ~(B_PAGE_SIZE-1); 541 /* create an area to hold the info */ 542 si->mode_area = my_mode_list_area = 543 create_area("NV accelerant mode info", (void **)&my_mode_list, B_ANY_ADDRESS, max_size, 544 B_NO_LOCK, B_READ_AREA | B_WRITE_AREA | B_CLONEABLE_AREA); 545 if (my_mode_list_area < B_OK) return my_mode_list_area; 546 547 /* walk through our predefined list and see which modes fit this device */ 548 src = mode_list; 549 dst = my_mode_list; 550 si->mode_count = 0; 551 for (i = 0; i < MODE_COUNT; i++) 552 { 553 /* set ranges for acceptable values */ 554 low = high = *src; 555 /* range is 6.25% of default clock: arbitrarily picked */ 556 pix_clk_range = low.timing.pixel_clock >> 5; 557 low.timing.pixel_clock -= pix_clk_range; 558 high.timing.pixel_clock += pix_clk_range; 559 /* 'some cards need wider virtual widths for certain modes': 560 * Not true. They might need a wider pitch, but this is _not_ reflected in 561 * virtual_width, but in fbc.bytes_per_row. */ 562 //So disable next line: 563 //high.virtual_width = 4096; 564 /* do it once for each depth we want to support */ 565 for (j = 0; j < (sizeof(spaces) / sizeof(color_space)); j++) 566 { 567 /* set target values */ 568 *dst = *src; 569 /* poke the specific space */ 570 dst->space = low.space = high.space = spaces[j]; 571 /* ask for a compatible mode */ 572 /* We have to check for B_OK, because otherwise the pix_clk_range 573 * won't be taken into account!! */ 574 //So don't do this: 575 //if (PROPOSE_DISPLAY_MODE(dst, &low, &high) != B_ERROR) { 576 //Instead, do this: 577 if (PROPOSE_DISPLAY_MODE(dst, &low, &high) == B_OK) { 578 /* count it, and move on to next mode */ 579 dst++; 580 si->mode_count++; 581 } 582 } 583 /* advance to next mode */ 584 src++; 585 } 586 587 return B_OK; 588} 589