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 9/2002-7/2009 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 /* Standard VESA modes, 20 * plus panel specific resolution modes which are internally modified during run-time depending on the requirements of the actual 21 * panel connected. The modes as listed here, should timing-wise be as compatible with analog (CRT) monitors as can be... */ 22 //fixme: if EDID monitor found create list via common EDID code... 23 static const display_mode mode_list[] = { 24 /* 4:3 modes; 307.2k pixels */ 25 { { 25175, 640, 656, 752, 800, 480, 490, 492, 525, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(640X480X8.Z1) */ 26 { { 27500, 640, 672, 768, 864, 480, 488, 494, 530, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* 640X480X60Hz */ 27 { { 30500, 640, 672, 768, 864, 480, 517, 523, 588, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* SVGA_640X480X60HzNI */ 28 { { 31500, 640, 664, 704, 832, 480, 489, 492, 520, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@70-72Hz_(640X480X8.Z1) */ 29 { { 31500, 640, 656, 720, 840, 480, 481, 484, 500, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(640X480X8.Z1) */ 30 { { 36000, 640, 696, 752, 832, 480, 481, 484, 509, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(640X480X8.Z1) */ 31 /* 4:3 modes; 480k pixels */ 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 /* 4:3 modes; 786.432k pixels */ 39 { { 65000, 1024, 1048, 1184, 1344, 768, 771, 777, 806, 0}, B_CMAP8, 1024, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1024X768X8.Z1) + XFree86 */ 40 { { 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 */ 41 { { 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 */ 42 { { 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 */ 43 /* 4:3 modes; 995.328k pixels */ 44 { { 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) */ 45 { { 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) */ 46 { { 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 */ 47 { { 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) */ 48 /* 5:4 modes; 1.311M pixels */ 49 { { 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 */ 50 { { 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 */ 51 { { 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 */ 52 /* 4:3 panel mode; 1.47M pixels */ 53 { { 122600, 1400, 1488, 1640, 1880, 1050, 1051, 1054, 1087, T_POSITIVE_SYNC}, B_CMAP8, 1400, 1050, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1400X1050) */ 54 /* 4:3 modes; 1.92M pixels */ 55 { { 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 */ 56 /* identical lines to above one, apart from refreshrate.. */ 57 { { 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 */ 58 { { 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 */ 59 { { 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 */ 60 { { 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) */ 61 { { 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 */ 62 /* end identical lines. */ 63 /* 4:3 modes; 2.408M pixels */ 64 { { 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 */ 65 { { 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 */ 66 /* 4:3 modes; 2.584M pixels */ 67 { { 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 */ 68 { { 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 */ 69 /* 4:3 modes; 2.765M pixels */ 70 { { 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 */ 71 { { 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 */ 72 /* 4:3 modes; 3.146M pixels */ 73 { { 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 */ 74 /* 16:10 panel mode; 400k pixels */ 75 { { 31300, 800, 848, 928, 1008, 500, 501, 504, 518, T_POSITIVE_SYNC}, B_CMAP8, 800, 500, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(800X500) */ 76 /* 16:10 panel mode; 655.36k pixels */ 77 { { 52800, 1024, 1072, 1176, 1328, 640, 641, 644, 663, T_POSITIVE_SYNC}, B_CMAP8, 1024, 640, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1024X640) */ 78 /* 16:10 panel-TV mode; 983.04k pixels */ 79 { { 80135, 1280, 1344, 1480, 1680, 768, 769, 772, 795, T_POSITIVE_SYNC}, B_CMAP8, 1280, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1280X768) */ 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 { { 193160, 1920, 2048, 2256, 2592, 1200, 1201, 1204, 1242, T_POSITIVE_SYNC}, B_CMAP8, 1920, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1920X1200) */ 88 //{ { 160000, 1920, 2010, 2060, 2110, 1200, 1202, 1208, 1235, T_POSITIVE_SYNC}, B_CMAP8, 1920, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1920X1200) */ 89 /* 16:9 panel mode; 1280x720 (HDTV 1280x720p) */ 90 { { 74520, 1280, 1368, 1424, 1656, 720, 724, 730, 750, T_POSITIVE_SYNC}, B_CMAP8, 1280, 720, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1280X720) */ 91 /* 16:9 panel mode; 1366x768 (HDTV '1280x720p') 92 note: horizontal CRTC timing must be a multiple of 8! (hardware restriction) */ 93 { { 85500, 1368, 1440, 1576, 1792, 768, 771, 774, 798, T_POSITIVE_SYNC}, B_CMAP8, 1368, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1366X768) */ 94 /* fixme, add: 16:9 panel mode; 1920x1080 (HDTV 1920x1080p) */ 95 }; 96 97 98 /*! 99 Check mode is between low and high limits. 100 Returns: 101 B_OK - found one 102 B_BAD_VALUE - mode can be made, but outside limits 103 B_ERROR - not possible 104 */ 105 /* BOUNDS WARNING: 106 * BeOS (tested R5.0.3PE) is failing BWindowScreen.SetFrameBuffer() if PROPOSEMODE 107 * returns B_BAD_VALUE. It's called by the OS with target, low and high set to 108 * have the same settings for BWindowScreen! 109 * Which means we should not return B_BAD_VALUE on anything except for deviations on: 110 * display_mode.virtual_width; 111 * display_mode.virtual_height; 112 * display_mode.timing.h_display; 113 * display_mode.timing.v_display; 114 */ 115 /* Note: 116 * The target mode should be modified to correspond to the mode as it can be made. */ 117 status_t 118 PROPOSE_DISPLAY_MODE(display_mode *target, const display_mode *low, const display_mode *high) 119 { 120 status_t status = B_OK; 121 float pix_clock_found, target_aspect; 122 uint8 m,n,p, bpp; 123 status_t result; 124 uint32 max_vclk, row_bytes, mem_reservation; 125 bool acc_mode; 126 double target_refresh = ((double)target->timing.pixel_clock * 1000.0) 127 / ((double)target->timing.h_total * (double)target->timing.v_total); 128 bool want_same_width = target->timing.h_display == target->virtual_width; 129 bool want_same_height = target->timing.v_display == target->virtual_height; 130 131 LOG(1, ("PROPOSEMODE: (ENTER) requested virtual_width %d, virtual_height %d\n", 132 target->virtual_width, target->virtual_height)); 133 134 /*find a nearby valid timing from that given*/ 135 result = head1_validate_timing(&target->timing.h_display, 136 &target->timing.h_sync_start, &target->timing.h_sync_end, 137 &target->timing.h_total, &target->timing.v_display, 138 &target->timing.v_sync_start, &target->timing.v_sync_end, 139 &target->timing.v_total); 140 if (result == B_ERROR) { 141 LOG(4, ("PROPOSEMODE: could not validate timing, aborted.\n")); 142 return result; 143 } 144 145 /* disable aspect checks for a requested TVout mode when mode is TVout capable */ 146 if (!si->ps.tvout 147 || !(BT_check_tvmode(*target) && (target->flags & TV_BITS))) { 148 /* check if all connected output devices can display the requested mode's aspect. 149 * assuming 16:10 screens can display non-WS modes, but cannot (correctly) display 16:9 modes; 150 * assuming 16:9 screens can display non-WS modes, and can display 16:10 modes. */ 151 /* calculate display mode aspect */ 152 target_aspect = (target->timing.h_display / ((float)target->timing.v_display)); 153 /* NOTE: 154 * allow 0.10 difference so 5:4 aspect panels will be able to use 4:3 aspect modes! */ 155 switch (si->ps.monitors) { 156 case 0: /* no monitor found at all */ 157 /* if forcing widescreen type was requested don't block mode */ 158 if (target_aspect > 1.34 && !si->settings.force_ws) { 159 LOG(4, ("PROPOSEMODE: not all output devices can display widescreen modes, aborted.\n")); 160 return B_ERROR; 161 } 162 break; 163 case CRTC1_TMDS: /* digital panel on head 1, nothing on head 2 */ 164 case CRTC1_VGA: /* analog connected screen on head 1, nothing on head 2 */ 165 if (si->ps.crtc1_screen.aspect < (target_aspect - 0.10)) { 166 LOG(4, ("PROPOSEMODE: screen at crtc1 is not widescreen type, aborted.\n")); 167 return B_ERROR; 168 } 169 break; 170 case CRTC2_TMDS: /* nothing on head 1, digital panel on head 2 */ 171 case CRTC2_VGA: /* analog connected screen on head 2, nothing on head 1 */ 172 if (si->ps.crtc2_screen.aspect < (target_aspect - 0.10)) { 173 LOG(4, ("PROPOSEMODE: screen at crtc2 is not widescreen type, aborted.\n")); 174 return B_ERROR; 175 } 176 break; 177 case CRTC1_TMDS | CRTC2_TMDS: /* digital panels on both heads */ 178 case CRTC1_VGA | CRTC2_VGA: /* analog connected screens on both heads */ 179 case CRTC1_TMDS | CRTC2_VGA: /* digital panel on head 1, analog connected screen on head 2 */ 180 case CRTC1_VGA | CRTC2_TMDS: /* analog connected screen on head 1, digital panel on head 2 */ 181 default: /* more than two screens connected (illegal setup) */ 182 if ((si->ps.crtc1_screen.aspect < (target_aspect - 0.10)) || 183 (si->ps.crtc2_screen.aspect < (target_aspect - 0.10))) { 184 LOG(4, ("PROPOSEMODE: not all connected screens are widescreen type, aborted.\n")); 185 return B_ERROR; 186 } 187 break; 188 } 189 } 190 191 /* check if screen(s) can display the requested resolution (if we have it's EDID info) 192 note: 193 allowing 2 pixels more for horizontal display for the 1366 mode, since multiples of 8 194 are required for the CRTCs horizontal timing programming) */ 195 if (si->ps.crtc1_screen.have_edid) { 196 if ((target->timing.h_display - 2) > si->ps.crtc1_screen.timing.h_display 197 || target->timing.v_display > si->ps.crtc1_screen.timing.v_display) { 198 LOG(4, ("PROPOSEMODE: screen at crtc1 can't display requested resolution, aborted.\n")); 199 return B_ERROR; 200 } 201 } 202 if (si->ps.crtc2_screen.have_edid) { 203 if ((target->timing.h_display - 2) > si->ps.crtc2_screen.timing.h_display 204 || target->timing.v_display > si->ps.crtc2_screen.timing.v_display) { 205 LOG(4, ("PROPOSEMODE: screen at crtc2 can't display requested resolution, aborted.\n")); 206 return B_ERROR; 207 } 208 } 209 210 /* validate display vs. virtual */ 211 if (target->timing.h_display > target->virtual_width || want_same_width) 212 target->virtual_width = target->timing.h_display; 213 if (target->timing.v_display > target->virtual_height || want_same_height) 214 target->virtual_height = target->timing.v_display; 215 216 /* nail virtual size and 'subsequently' calculate rowbytes */ 217 result = nv_general_validate_pic_size(target, &row_bytes, &acc_mode); 218 if (result == B_ERROR) { 219 LOG(4, ("PROPOSEMODE: could not validate virtual picture size, aborted.\n")); 220 return result; 221 } 222 223 /* check if virtual_width is still within the requested limits */ 224 if (target->virtual_width < low->virtual_width 225 || target->virtual_width > high->virtual_width) { 226 status = B_BAD_VALUE; 227 LOG(4, ("PROPOSEMODE: WARNING: virtual_width deviates too much\n")); 228 } 229 230 /* check if timing found is within the requested horizontal limits */ 231 if (target->timing.h_display < low->timing.h_display 232 || target->timing.h_display > high->timing.h_display 233 || target->timing.h_sync_start < low->timing.h_sync_start 234 || target->timing.h_sync_start > high->timing.h_sync_start 235 || target->timing.h_sync_end < low->timing.h_sync_end 236 || target->timing.h_sync_end > high->timing.h_sync_end 237 || target->timing.h_total < low->timing.h_total 238 || target->timing.h_total > high->timing.h_total) { 239 /* BWindowScreen workaround: we accept everything except h_display deviations */ 240 if (target->timing.h_display < low->timing.h_display 241 || target->timing.h_display > high->timing.h_display) 242 status = B_BAD_VALUE; 243 244 LOG(4, ("PROPOSEMODE: WARNING: horizontal timing deviates too much\n")); 245 } 246 247 /* check if timing found is within the requested vertical limits */ 248 if (target->timing.v_display < low->timing.v_display 249 || target->timing.v_display > high->timing.v_display 250 || target->timing.v_sync_start < low->timing.v_sync_start 251 || target->timing.v_sync_start > high->timing.v_sync_start 252 || target->timing.v_sync_end < low->timing.v_sync_end 253 || target->timing.v_sync_end > high->timing.v_sync_end 254 || target->timing.v_total < low->timing.v_total 255 || target->timing.v_total > high->timing.v_total) { 256 /* BWindowScreen workaround: we accept everything except v_display deviations */ 257 if (target->timing.v_display < low->timing.v_display 258 || target->timing.v_display > high->timing.v_display) 259 status = B_BAD_VALUE; 260 261 LOG(4, ("PROPOSEMODE: WARNING: vertical timing deviates too much\n")); 262 } 263 264 /* adjust pixelclock for possible timing modifications done above */ 265 target->timing.pixel_clock = target_refresh * ((double)target->timing.h_total) 266 * ((double)target->timing.v_total) / 1000.0; 267 268 /* Now find the nearest valid pixelclock we actually can setup for the target mode, 269 * this also makes sure we don't generate more pixel bandwidth than the device can handle */ 270 /* calculate settings, but do not actually test anything (that costs too much time!) */ 271 result = head1_pix_pll_find(*target, &pix_clock_found, &m, &n, &p, 0); 272 /* update the target mode */ 273 target->timing.pixel_clock = pix_clock_found * 1000; 274 275 /* note if we fell outside the limits */ 276 if (target->timing.pixel_clock < low->timing.pixel_clock 277 || target->timing.pixel_clock > high->timing.pixel_clock) { 278 /* BWindowScreen workaround: we accept deviations <= 1Mhz */ 279 if (target->timing.pixel_clock < low->timing.pixel_clock - 1000 280 || target->timing.pixel_clock > high->timing.pixel_clock + 1000) 281 status = B_BAD_VALUE; 282 283 LOG(4, ("PROPOSEMODE: WARNING: pixelclock deviates too much\n")); 284 } 285 286 mem_reservation = 0; 287 /* checkout space needed for hardcursor (if any) */ 288 if (si->settings.hardcursor) 289 mem_reservation = 2048; 290 291 /* Reserve extra space as a workaround for certain bugs (see DriverInterface.h 292 * for an explanation). */ 293 if (si->ps.card_arch < NV40A) 294 mem_reservation += PRE_NV40_OFFSET; 295 else 296 mem_reservation += NV40_PLUS_OFFSET; 297 298 /* memory requirement for frame buffer */ 299 if (row_bytes * target->virtual_height > si->ps.memory_size - mem_reservation) { 300 target->virtual_height = (si->ps.memory_size - mem_reservation) / row_bytes; 301 } 302 if (target->virtual_height < target->timing.v_display) { 303 LOG(4,("PROPOSEMODE: not enough memory for current mode, aborted.\n")); 304 return B_ERROR; 305 } 306 307 LOG(4,("PROPOSEMODE: validated virtual_width %d, virtual_height %d pixels\n", 308 target->virtual_width, target->virtual_height)); 309 310 if (target->virtual_height < low->virtual_height 311 || target->virtual_height > high->virtual_height) { 312 status = B_BAD_VALUE; 313 LOG(4, ("PROPOSEMODE: WARNING: virtual_height deviates too much\n")); 314 } 315 316 /* setup status flags */ 317 LOG(1, ("PROPOSEMODE: initial modeflags: $%08x\n", target->flags)); 318 /* preset to singlehead card without TVout, no overlay support and no hardcursor. 319 * also advice system that app_server and acc engine may touch the framebuffer 320 * simultaneously (fixed). */ 321 target->flags &= 322 ~(DUALHEAD_CAPABLE | TV_CAPABLE | B_SUPPORTS_OVERLAYS | B_HARDWARE_CURSOR | B_IO_FB_NA); 323 /* we always allow parallel access (fixed), the DAC is always in 'enhanced' 324 * mode (fixed), and all modes support DPMS (fixed); 325 * We support scrolling and panning in every mode, so we 'send a signal' to 326 * BWindowScreen.CanControlFrameBuffer() by setting B_SCROLL. */ 327 /* BTW: B_PARALLEL_ACCESS in combination with a hardcursor enables 328 * BDirectWindow windowed modes. */ 329 target->flags |= (B_PARALLEL_ACCESS | B_8_BIT_DAC | B_DPMS | B_SCROLL); 330 331 /* determine the 'would be' max. pixelclock for the second DAC for the current videomode if dualhead were activated */ 332 switch (target->space) { 333 case B_CMAP8: 334 max_vclk = si->ps.max_dac2_clock_8; 335 bpp = 1; 336 break; 337 case B_RGB15_LITTLE: 338 case B_RGB16_LITTLE: 339 max_vclk = si->ps.max_dac2_clock_16; 340 bpp = 2; 341 break; 342 case B_RGB24_LITTLE: 343 max_vclk = si->ps.max_dac2_clock_24; 344 bpp = 3; 345 break; 346 case B_RGB32_LITTLE: 347 max_vclk = si->ps.max_dac2_clock_32dh; 348 bpp = 4; 349 break; 350 default: 351 /* use fail-safe value */ 352 max_vclk = si->ps.max_dac2_clock_32dh; 353 bpp = 4; 354 break; 355 } 356 357 /* set DUALHEAD_CAPABLE if suitable */ 358 //fixme: update for independant secondary head use! (reserve fixed memory then) 359 if (si->ps.secondary_head && target->timing.pixel_clock <= (max_vclk * 1000)) { 360 switch (target->flags & DUALHEAD_BITS) { 361 case DUALHEAD_ON: 362 case DUALHEAD_SWITCH: 363 if (si->ps.memory_size - mem_reservation 364 >= row_bytes * target->virtual_height 365 && (uint16)(row_bytes / bpp) >= target->timing.h_display * 2) 366 target->flags |= DUALHEAD_CAPABLE; 367 break; 368 case DUALHEAD_CLONE: 369 if (si->ps.memory_size - mem_reservation 370 >= row_bytes * target->virtual_height) 371 target->flags |= DUALHEAD_CAPABLE; 372 break; 373 case DUALHEAD_OFF: 374 if (si->ps.memory_size - mem_reservation 375 >= row_bytes * target->virtual_height * 2) 376 target->flags |= DUALHEAD_CAPABLE; 377 break; 378 } 379 } 380 381 /* if not dualhead capable card clear dualhead flags */ 382 if (!(target->flags & DUALHEAD_CAPABLE)) 383 target->flags &= ~DUALHEAD_BITS; 384 385 /* set TV_CAPABLE if suitable: pixelclock is not important (defined by TVstandard) */ 386 if (si->ps.tvout && BT_check_tvmode(*target)) 387 target->flags |= TV_CAPABLE; 388 389 /* if not TVout capable card clear TVout flags */ 390 if (!(target->flags & TV_CAPABLE)) 391 target->flags &= ~TV_BITS; 392 393 /* make sure TV head assignment is sane */ 394 if (target->flags & TV_BITS) { 395 if (!si->ps.secondary_head) 396 target->flags |= TV_PRIMARY; 397 else if ((target->flags & DUALHEAD_BITS) == DUALHEAD_OFF) 398 target->flags |= TV_PRIMARY; 399 } else 400 target->flags &= ~TV_PRIMARY; 401 402 /* set HARDWARE_CURSOR mode if suitable */ 403 if (si->settings.hardcursor) 404 target->flags |= B_HARDWARE_CURSOR; 405 406 /* set SUPPORTS_OVERLAYS if suitable */ 407 if (si->ps.card_type <= NV40 || si->ps.card_type == NV45) 408 target->flags |= B_SUPPORTS_OVERLAYS; 409 410 LOG(1, ("PROPOSEMODE: validated modeflags: $%08x\n", target->flags)); 411 412 /* overrule timing command flags to be (fixed) blank_pedestal = 0.0IRE, 413 * progressive scan (fixed), and sync_on_green not avaible. */ 414 target->timing.flags &= ~(B_BLANK_PEDESTAL | B_TIMING_INTERLACED | B_SYNC_ON_GREEN); 415 /* The HSYNC and VSYNC command flags are actually executed by the driver. */ 416 417 if (status == B_OK) 418 LOG(4, ("PROPOSEMODE: completed successfully.\n")); 419 else 420 LOG(4, ("PROPOSEMODE: mode can be made, but outside given limits.\n")); 421 return status; 422 } 423 424 425 /*! 426 Return the number of modes this device will return from GET_MODE_LIST(). 427 This is precalculated in create_mode_list (called from InitAccelerant stuff) 428 */ 429 uint32 430 ACCELERANT_MODE_COUNT(void) 431 { 432 LOG(1, ("ACCELERANT_MODE_COUNT: the modelist contains %d modes\n",si->mode_count)); 433 return si->mode_count; 434 } 435 436 437 /*! Copy the list of guaranteed supported video modes to the location provided. 438 */ 439 status_t 440 GET_MODE_LIST(display_mode *dm) 441 { 442 LOG(1, ("GET_MODE_LIST: exporting the modelist created before.\n")); 443 444 memcpy(dm, my_mode_list, si->mode_count * sizeof(display_mode)); 445 return B_OK; 446 } 447 448 449 /*! Create a list of display_modes to pass back to the caller. 450 */ 451 status_t 452 create_mode_list(void) 453 { 454 size_t max_size; 455 uint32 i, j, pix_clk_range; 456 const display_mode *src; 457 display_mode *dst, low, high; 458 color_space spaces[4] = {B_RGB32_LITTLE, B_RGB16_LITTLE, B_RGB15_LITTLE, B_CMAP8}; 459 460 /* figure out how big the list could be, and adjust up to nearest multiple of B_PAGE_SIZE */ 461 max_size = (((MODE_COUNT * 4) * sizeof(display_mode)) + (B_PAGE_SIZE-1)) & ~(B_PAGE_SIZE-1); 462 463 /* create an area to hold the info */ 464 si->mode_area = my_mode_list_area = create_area("NV accelerant mode info", 465 (void **)&my_mode_list, B_ANY_ADDRESS, max_size, B_NO_LOCK, 466 B_READ_AREA | B_WRITE_AREA); 467 if (my_mode_list_area < B_OK) 468 return my_mode_list_area; 469 470 /* walk through our predefined list and see which modes fit this device */ 471 src = mode_list; 472 dst = my_mode_list; 473 si->mode_count = 0; 474 for (i = 0; i < MODE_COUNT; i++) { 475 /* set ranges for acceptable values */ 476 low = high = *src; 477 /* range is 6.25% of default clock: arbitrarily picked */ 478 pix_clk_range = low.timing.pixel_clock >> 5; 479 low.timing.pixel_clock -= pix_clk_range; 480 high.timing.pixel_clock += pix_clk_range; 481 /* 'some cards need wider virtual widths for certain modes': 482 * Not true. They might need a wider pitch, but this is _not_ reflected in 483 * virtual_width, but in fbc.bytes_per_row. */ 484 //So disable next line: 485 //high.virtual_width = 4096; 486 /* do it once for each depth we want to support */ 487 for (j = 0; j < (sizeof(spaces) / sizeof(color_space)); j++) { 488 /* set target values */ 489 *dst = *src; 490 /* poke the specific space */ 491 dst->space = low.space = high.space = spaces[j]; 492 /* ask for a compatible mode */ 493 /* We have to check for B_OK, because otherwise the pix_clk_range 494 * won't be taken into account!! */ 495 //So don't do this: 496 //if (PROPOSE_DISPLAY_MODE(dst, &low, &high) != B_ERROR) { 497 //Instead, do this: 498 if (PROPOSE_DISPLAY_MODE(dst, &low, &high) == B_OK) { 499 /* count it, and move on to next mode */ 500 dst++; 501 si->mode_count++; 502 } 503 } 504 /* advance to next mode */ 505 src++; 506 } 507 508 return B_OK; 509 } 510