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 9/2002-4/2006 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 * 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-TV mode; 983.04k pixels */ 81 { { 80135, 1280, 1344, 1480, 1680, 768, 769, 772, 795, T_POSITIVE_SYNC}, B_CMAP8, 1280, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1280X768) */ 82 /* 16:10 panel mode; 1.024M pixels */ 83 { { 83500, 1280, 1344, 1480, 1680, 800, 801, 804, 828, T_POSITIVE_SYNC}, B_CMAP8, 1280, 800, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1280X800) */ 84 /* 16:10 panel mode; 1.296M pixels */ 85 { { 106500, 1440, 1520, 1672, 1904, 900, 901, 904, 932, T_POSITIVE_SYNC}, B_CMAP8, 1440, 900, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1440X900) */ 86 /* 16:10 panel mode; 1.764M pixels */ 87 { { 147100, 1680, 1784, 1968, 2256, 1050, 1051, 1054, 1087, T_POSITIVE_SYNC}, B_CMAP8, 1680, 1050, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1680X1050) */ 88 /* 16:10 panel mode; 2.304M pixels */ 89 { { 154000, 1920, 1968, 2000, 2080, 1200, 1203, 1209, 1235, T_POSITIVE_SYNC}, B_CMAP8, 1920, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1920X1200) */ 90 /* 16:9 panel mode; 1280x720 */ 91 { { 74520, 1280, 1368, 1424, 1656, 720, 724, 730, 750, T_POSITIVE_SYNC}, B_CMAP8, 1280, 720, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1280X720) */ 92 }; 93 94 95 /*! 96 Check mode is between low and high limits. 97 Returns: 98 B_OK - found one 99 B_BAD_VALUE - mode can be made, but outside limits 100 B_ERROR - not possible 101 */ 102 /* BOUNDS WARNING: 103 * BeOS (tested R5.0.3PE) is failing BWindowScreen.SetFrameBuffer() if PROPOSEMODE 104 * returns B_BAD_VALUE. It's called by the OS with target, low and high set to 105 * have the same settings for BWindowScreen! 106 * Which means we should not return B_BAD_VALUE on anything except for deviations on: 107 * display_mode.virtual_width; 108 * display_mode.virtual_height; 109 * display_mode.timing.h_display; 110 * display_mode.timing.v_display; 111 */ 112 /* Note: 113 * The target mode should be modified to correspond to the mode as it can be made. */ 114 status_t 115 PROPOSE_DISPLAY_MODE(display_mode *target, const display_mode *low, const display_mode *high) 116 { 117 status_t status = B_OK; 118 float pix_clock_found, target_aspect; 119 uint8 m,n,p, bpp; 120 status_t result; 121 uint32 max_vclk, row_bytes, mem_reservation; 122 bool acc_mode; 123 double target_refresh = ((double)target->timing.pixel_clock * 1000.0) 124 / ((double)target->timing.h_total * (double)target->timing.v_total); 125 bool want_same_width = target->timing.h_display == target->virtual_width; 126 bool want_same_height = target->timing.v_display == target->virtual_height; 127 128 LOG(1, ("PROPOSEMODE: (ENTER) requested virtual_width %d, virtual_height %d\n", 129 target->virtual_width, target->virtual_height)); 130 131 /*check valid list: 132 if (VALID_REQUIRED is set) 133 { 134 if (find modes with same size) 135 { 136 pick one with nearest pixel clock 137 } 138 else 139 { 140 pick next largest with nearest pixel clock and modify visible portion as far as possible 141 } 142 } 143 */ 144 145 #ifdef VALID_MODE_REQUIRED 146 { 147 int i; 148 int closest_mode_ptr; 149 uint32 closest_mode_clock; 150 151 LOG(1, ("PROPOSEMODE: valid mode required!\n")); 152 153 closest_mode_ptr = 0xbad; 154 closest_mode_clock = 0; 155 for (i = 0; i < VALID_MODES; i++) { 156 /*check size is ok and clock is better than any found before*/ 157 if (target->timing.h_display == valid_mode_list[i].h_display 158 && target->timing.v_display == valid_mode_list[i].v_display) { 159 if (abs(valid_mode_list[i].pixel_clock-target->timing.pixel_clock) 160 < abs(closest_mode_clock-target->timing.pixel_clock)) { 161 closest_mode_clock = valid_mode_list[i].pixel_clock; 162 closest_mode_ptr = i; 163 } 164 } 165 } 166 167 if (closest_mode_ptr == 0xbad) { 168 /* if no modes of correct size */ 169 LOG(4, ("PROPOSEMODE: no valid mode found, aborted.\n")); 170 return B_ERROR; 171 } else { 172 target->timing = valid_mode_list[closest_mode_ptr]; 173 /* I require this refresh */ 174 target_refresh = ((double)target->timing.pixel_clock * 1000.0) 175 / ((double)target->timing.h_total * (double)target->timing.v_total); 176 } 177 } 178 #endif 179 180 /*find a nearby valid timing from that given*/ 181 result = head1_validate_timing(&target->timing.h_display, 182 &target->timing.h_sync_start, &target->timing.h_sync_end, 183 &target->timing.h_total, &target->timing.v_display, 184 &target->timing.v_sync_start, &target->timing.v_sync_end, 185 &target->timing.v_total); 186 if (result == B_ERROR) { 187 LOG(4, ("PROPOSEMODE: could not validate timing, aborted.\n")); 188 return result; 189 } 190 191 /* disable aspect checks for a requested TVout mode when mode is TVout capable */ 192 if (!si->ps.tvout 193 || !(BT_check_tvmode(*target) && (target->flags & TV_BITS))) { 194 /* check if all connected output devices can display the requested mode's aspect: */ 195 /* calculate display mode aspect */ 196 target_aspect = (target->timing.h_display / ((float)target->timing.v_display)); 197 /* NOTE: 198 * allow 0.10 difference so 5:4 aspect panels will be able to use 4:3 aspect modes! */ 199 switch (si->ps.monitors) { 200 case 0x01: /* digital panel on head 1, nothing on head 2 */ 201 if (si->ps.panel1_aspect < (target_aspect - 0.10)) { 202 LOG(4, ("PROPOSEMODE: connected panel1 is not widescreen type, aborted.\n")); 203 return B_ERROR; 204 } 205 break; 206 case 0x10: /* nothing on head 1, digital panel on head 2 */ 207 if (si->ps.panel2_aspect < (target_aspect - 0.10)) { 208 LOG(4, ("PROPOSEMODE: connected panel2 is not widescreen type, aborted.\n")); 209 return B_ERROR; 210 } 211 break; 212 case 0x11: /* digital panels on both heads */ 213 if ((si->ps.panel1_aspect < (target_aspect - 0.10)) 214 || (si->ps.panel2_aspect < (target_aspect - 0.10))) { 215 LOG(4, ("PROPOSEMODE: not all connected panels are widescreen type, aborted.\n")); 216 return B_ERROR; 217 } 218 break; 219 default: 220 /* at least one analog monitor is connected, or nothing detected at all */ 221 /* (if forcing widescreen type was requested don't block mode) */ 222 if (target_aspect > 1.34 && !si->settings.force_ws) { 223 LOG(4, ("PROPOSEMODE: not all output devices can display widescreen modes, aborted.\n")); 224 return B_ERROR; 225 } 226 break; 227 } 228 229 /* only export widescreen panel-TV modes when an exact resolution match exists, 230 * to prevent the modelist from becoming too crowded */ 231 if (target_aspect > 1.61 && !si->settings.force_ws) { 232 status_t panel_TV_stat = B_ERROR; 233 234 if (si->ps.tmds1_active) { 235 if (target->timing.h_display == si->ps.p1_timing.h_display 236 && target->timing.v_display == si->ps.p1_timing.v_display) 237 panel_TV_stat = B_OK; 238 } 239 if (si->ps.tmds2_active) { 240 if (target->timing.h_display == si->ps.p2_timing.h_display 241 && target->timing.v_display == si->ps.p2_timing.v_display) 242 panel_TV_stat = B_OK; 243 } 244 if (panel_TV_stat != B_OK) { 245 LOG(4, ("PROPOSEMODE: WS panel_TV mode requested but no such TV here, aborted.\n")); 246 return B_ERROR; 247 } 248 } 249 } 250 251 /* check if panel(s) can display the requested resolution (if connected) */ 252 if (si->ps.tmds1_active) { 253 if (target->timing.h_display > si->ps.p1_timing.h_display 254 || target->timing.v_display > si->ps.p1_timing.v_display) { 255 LOG(4, ("PROPOSEMODE: panel1 can't display requested resolution, aborted.\n")); 256 return B_ERROR; 257 } 258 } 259 if (si->ps.tmds2_active) { 260 if (target->timing.h_display > si->ps.p2_timing.h_display 261 || target->timing.v_display > si->ps.p2_timing.v_display) { 262 LOG(4, ("PROPOSEMODE: panel2 can't display requested resolution, aborted.\n")); 263 return B_ERROR; 264 } 265 } 266 267 /* validate display vs. virtual */ 268 if (target->timing.h_display > target->virtual_width || want_same_width) 269 target->virtual_width = target->timing.h_display; 270 if (target->timing.v_display > target->virtual_height || want_same_height) 271 target->virtual_height = target->timing.v_display; 272 273 /* nail virtual size and 'subsequently' calculate rowbytes */ 274 result = nv_general_validate_pic_size(target, &row_bytes, &acc_mode); 275 if (result == B_ERROR) { 276 LOG(4, ("PROPOSEMODE: could not validate virtual picture size, aborted.\n")); 277 return result; 278 } 279 280 /* check if virtual_width is still within the requested limits */ 281 if (target->virtual_width < low->virtual_width 282 || target->virtual_width > high->virtual_width) { 283 status = B_BAD_VALUE; 284 LOG(4, ("PROPOSEMODE: WARNING: virtual_width deviates too much\n")); 285 } 286 287 /* check if timing found is within the requested horizontal limits */ 288 if (target->timing.h_display < low->timing.h_display 289 || target->timing.h_display > high->timing.h_display 290 || target->timing.h_sync_start < low->timing.h_sync_start 291 || target->timing.h_sync_start > high->timing.h_sync_start 292 || target->timing.h_sync_end < low->timing.h_sync_end 293 || target->timing.h_sync_end > high->timing.h_sync_end 294 || target->timing.h_total < low->timing.h_total 295 || target->timing.h_total > high->timing.h_total) { 296 /* BWindowScreen workaround: we accept everything except h_display deviations */ 297 if (target->timing.h_display < low->timing.h_display 298 || target->timing.h_display > high->timing.h_display) 299 status = B_BAD_VALUE; 300 301 LOG(4, ("PROPOSEMODE: WARNING: horizontal timing deviates too much\n")); 302 } 303 304 /* check if timing found is within the requested vertical limits */ 305 if (target->timing.v_display < low->timing.v_display 306 || target->timing.v_display > high->timing.v_display 307 || target->timing.v_sync_start < low->timing.v_sync_start 308 || target->timing.v_sync_start > high->timing.v_sync_start 309 || target->timing.v_sync_end < low->timing.v_sync_end 310 || target->timing.v_sync_end > high->timing.v_sync_end 311 || target->timing.v_total < low->timing.v_total 312 || target->timing.v_total > high->timing.v_total) { 313 /* BWindowScreen workaround: we accept everything except v_display deviations */ 314 if (target->timing.v_display < low->timing.v_display 315 || target->timing.v_display > high->timing.v_display) 316 status = B_BAD_VALUE; 317 318 LOG(4, ("PROPOSEMODE: WARNING: vertical timing deviates too much\n")); 319 } 320 321 /* adjust pixelclock for possible timing modifications done above */ 322 target->timing.pixel_clock = target_refresh * ((double)target->timing.h_total) 323 * ((double)target->timing.v_total) / 1000.0; 324 325 /* Now find the nearest valid pixelclock we actually can setup for the target mode, 326 * this also makes sure we don't generate more pixel bandwidth than the device can handle */ 327 /* calculate settings, but do not actually test anything (that costs too much time!) */ 328 result = head1_pix_pll_find(*target, &pix_clock_found, &m, &n, &p, 0); 329 /* update the target mode */ 330 target->timing.pixel_clock = pix_clock_found * 1000; 331 332 /* note if we fell outside the limits */ 333 if (target->timing.pixel_clock < low->timing.pixel_clock 334 || target->timing.pixel_clock > high->timing.pixel_clock) { 335 /* BWindowScreen workaround: we accept deviations <= 1Mhz */ 336 if (target->timing.pixel_clock < low->timing.pixel_clock - 1000 337 || target->timing.pixel_clock > high->timing.pixel_clock + 1000) 338 status = B_BAD_VALUE; 339 340 LOG(4, ("PROPOSEMODE: WARNING: pixelclock deviates too much\n")); 341 } 342 343 mem_reservation = 0; 344 /* checkout space needed for hardcursor (if any) */ 345 if (si->settings.hardcursor) 346 mem_reservation = 2048; 347 348 /* Reserve extra space as a workaround for certain bugs (see DriverInterface.h 349 * for an explanation). */ 350 if (si->ps.card_arch < NV40A) 351 mem_reservation += PRE_NV40_OFFSET; 352 else 353 mem_reservation += NV40_PLUS_OFFSET; 354 355 /* memory requirement for frame buffer */ 356 if (row_bytes * target->virtual_height > si->ps.memory_size - mem_reservation) { 357 target->virtual_height = (si->ps.memory_size - mem_reservation) / row_bytes; 358 } 359 if (target->virtual_height < target->timing.v_display) { 360 LOG(4,("PROPOSEMODE: not enough memory for current mode, aborted.\n")); 361 return B_ERROR; 362 } 363 364 LOG(4,("PROPOSEMODE: validated virtual_width %d, virtual_height %d pixels\n", 365 target->virtual_width, target->virtual_height)); 366 367 if (target->virtual_height < low->virtual_height 368 || target->virtual_height > high->virtual_height) { 369 status = B_BAD_VALUE; 370 LOG(4, ("PROPOSEMODE: WARNING: virtual_height deviates too much\n")); 371 } 372 373 /* setup status flags */ 374 LOG(1, ("PROPOSEMODE: initial modeflags: $%08x\n", target->flags)); 375 /* preset to singlehead card without TVout, no overlay support and no hardcursor. 376 * also advice system that app_server and acc engine may touch the framebuffer 377 * simultaneously (fixed). */ 378 target->flags &= 379 ~(DUALHEAD_CAPABLE | TV_CAPABLE | B_SUPPORTS_OVERLAYS | B_HARDWARE_CURSOR | B_IO_FB_NA); 380 /* we always allow parallel access (fixed), the DAC is always in 'enhanced' 381 * mode (fixed), and all modes support DPMS (fixed); 382 * We support scrolling and panning in every mode, so we 'send a signal' to 383 * BWindowScreen.CanControlFrameBuffer() by setting B_SCROLL. */ 384 /* BTW: B_PARALLEL_ACCESS in combination with a hardcursor enables 385 * BDirectWindow windowed modes. */ 386 target->flags |= (B_PARALLEL_ACCESS | B_8_BIT_DAC | B_DPMS | B_SCROLL); 387 388 /* determine the 'would be' max. pixelclock for the second DAC for the current videomode if dualhead were activated */ 389 switch (target->space) { 390 case B_CMAP8: 391 max_vclk = si->ps.max_dac2_clock_8; 392 bpp = 1; 393 break; 394 case B_RGB15_LITTLE: 395 case B_RGB16_LITTLE: 396 max_vclk = si->ps.max_dac2_clock_16; 397 bpp = 2; 398 break; 399 case B_RGB24_LITTLE: 400 max_vclk = si->ps.max_dac2_clock_24; 401 bpp = 3; 402 break; 403 case B_RGB32_LITTLE: 404 max_vclk = si->ps.max_dac2_clock_32dh; 405 bpp = 4; 406 break; 407 default: 408 /* use fail-safe value */ 409 max_vclk = si->ps.max_dac2_clock_32dh; 410 bpp = 4; 411 break; 412 } 413 414 /* set DUALHEAD_CAPABLE if suitable */ 415 //fixme: update for independant secondary head use! (reserve fixed memory then) 416 if (si->ps.secondary_head && target->timing.pixel_clock <= (max_vclk * 1000)) { 417 switch (target->flags & DUALHEAD_BITS) { 418 case DUALHEAD_ON: 419 case DUALHEAD_SWITCH: 420 if (si->ps.memory_size - mem_reservation 421 >= row_bytes * target->virtual_height 422 && (uint16)(row_bytes / bpp) >= target->timing.h_display * 2) 423 target->flags |= DUALHEAD_CAPABLE; 424 break; 425 case DUALHEAD_CLONE: 426 if (si->ps.memory_size - mem_reservation 427 >= row_bytes * target->virtual_height) 428 target->flags |= DUALHEAD_CAPABLE; 429 break; 430 case DUALHEAD_OFF: 431 if (si->ps.memory_size - mem_reservation 432 >= row_bytes * target->virtual_height * 2) 433 target->flags |= DUALHEAD_CAPABLE; 434 break; 435 } 436 } 437 438 /* if not dualhead capable card clear dualhead flags */ 439 if (!(target->flags & DUALHEAD_CAPABLE)) 440 target->flags &= ~DUALHEAD_BITS; 441 442 /* set TV_CAPABLE if suitable: pixelclock is not important (defined by TVstandard) */ 443 if (si->ps.tvout && BT_check_tvmode(*target)) 444 target->flags |= TV_CAPABLE; 445 446 /* if not TVout capable card clear TVout flags */ 447 if (!(target->flags & TV_CAPABLE)) 448 target->flags &= ~TV_BITS; 449 450 /* make sure TV head assignment is sane */ 451 if (target->flags & TV_BITS) { 452 if (!si->ps.secondary_head) 453 target->flags |= TV_PRIMARY; 454 else if ((target->flags & DUALHEAD_BITS) == DUALHEAD_OFF) 455 target->flags |= TV_PRIMARY; 456 } else 457 target->flags &= ~TV_PRIMARY; 458 459 /* set HARDWARE_CURSOR mode if suitable */ 460 if (si->settings.hardcursor) 461 target->flags |= B_HARDWARE_CURSOR; 462 463 /* set SUPPORTS_OVERLAYS if suitable */ 464 if (si->ps.card_type <= NV40 || si->ps.card_type == NV45) 465 target->flags |= B_SUPPORTS_OVERLAYS; 466 467 LOG(1, ("PROPOSEMODE: validated modeflags: $%08x\n", target->flags)); 468 469 /* overrule timing command flags to be (fixed) blank_pedestal = 0.0IRE, 470 * progressive scan (fixed), and sync_on_green not avaible. */ 471 target->timing.flags &= ~(B_BLANK_PEDESTAL | B_TIMING_INTERLACED | B_SYNC_ON_GREEN); 472 /* The HSYNC and VSYNC command flags are actually executed by the driver. */ 473 474 if (status == B_OK) 475 LOG(4, ("PROPOSEMODE: completed successfully.\n")); 476 else 477 LOG(4, ("PROPOSEMODE: mode can be made, but outside given limits.\n")); 478 return status; 479 } 480 481 482 /*! 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 487 ACCELERANT_MODE_COUNT(void) 488 { 489 LOG(1, ("ACCELERANT_MODE_COUNT: the modelist contains %d modes\n",si->mode_count)); 490 return si->mode_count; 491 } 492 493 494 /*! Copy the list of guaranteed supported video modes to the location provided. 495 */ 496 status_t 497 GET_MODE_LIST(display_mode *dm) 498 { 499 LOG(1, ("GET_MODE_LIST: exporting the modelist created before.\n")); 500 501 memcpy(dm, my_mode_list, si->mode_count * sizeof(display_mode)); 502 return B_OK; 503 } 504 505 506 /*! Create a list of display_modes to pass back to the caller. 507 */ 508 status_t 509 create_mode_list(void) 510 { 511 size_t max_size; 512 uint32 i, j, pix_clk_range; 513 const display_mode *src; 514 display_mode *dst, low, high; 515 color_space spaces[4] = {B_RGB32_LITTLE, B_RGB16_LITTLE, B_RGB15_LITTLE, B_CMAP8}; 516 517 /* figure out how big the list could be, and adjust up to nearest multiple of B_PAGE_SIZE */ 518 max_size = (((MODE_COUNT * 4) * sizeof(display_mode)) + (B_PAGE_SIZE-1)) & ~(B_PAGE_SIZE-1); 519 520 /* create an area to hold the info */ 521 si->mode_area = my_mode_list_area = create_area("NV accelerant mode info", 522 (void **)&my_mode_list, B_ANY_ADDRESS, max_size, B_NO_LOCK, 523 B_READ_AREA | B_WRITE_AREA); 524 if (my_mode_list_area < B_OK) 525 return my_mode_list_area; 526 527 /* walk through our predefined list and see which modes fit this device */ 528 src = mode_list; 529 dst = my_mode_list; 530 si->mode_count = 0; 531 for (i = 0; i < MODE_COUNT; i++) { 532 /* set ranges for acceptable values */ 533 low = high = *src; 534 /* range is 6.25% of default clock: arbitrarily picked */ 535 pix_clk_range = low.timing.pixel_clock >> 5; 536 low.timing.pixel_clock -= pix_clk_range; 537 high.timing.pixel_clock += pix_clk_range; 538 /* 'some cards need wider virtual widths for certain modes': 539 * Not true. They might need a wider pitch, but this is _not_ reflected in 540 * virtual_width, but in fbc.bytes_per_row. */ 541 //So disable next line: 542 //high.virtual_width = 4096; 543 /* do it once for each depth we want to support */ 544 for (j = 0; j < (sizeof(spaces) / sizeof(color_space)); j++) { 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