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 9/2002-9/2009 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... 23static 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/* 16:9 panel mode; 1920x1080 (HDTV 1920x1080p) */ 95{ { 148500, 1920, 2008, 2052, 2200, 1080, 1084, 1089, 1125, T_POSITIVE_SYNC}, B_CMAP8, 1920, 1080, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1920X1080) */ 96}; 97 98 99/*! 100 Check mode is between low and high limits. 101 Returns: 102 B_OK - found one 103 B_BAD_VALUE - mode can be made, but outside limits 104 B_ERROR - not possible 105*/ 106/* BOUNDS WARNING: 107 * BeOS (tested R5.0.3PE) is failing BWindowScreen.SetFrameBuffer() if PROPOSEMODE 108 * returns B_BAD_VALUE. It's called by the OS with target, low and high set to 109 * have the same settings for BWindowScreen! 110 * Which means we should not return B_BAD_VALUE on anything except for deviations on: 111 * display_mode.virtual_width; 112 * display_mode.virtual_height; 113 * display_mode.timing.h_display; 114 * display_mode.timing.v_display; 115 */ 116/* Note: 117 * The target mode should be modified to correspond to the mode as it can be made. */ 118status_t 119PROPOSE_DISPLAY_MODE(display_mode *target, const display_mode *low, const display_mode *high) 120{ 121 status_t status = B_OK; 122 float pix_clock_found, target_aspect; 123 uint8 m,n,p, bpp; 124 status_t result; 125 uint32 max_vclk, row_bytes, mem_reservation; 126 bool acc_mode; 127 double target_refresh = ((double)target->timing.pixel_clock * 1000.0) 128 / ((double)target->timing.h_total * (double)target->timing.v_total); 129 bool want_same_width = target->timing.h_display == target->virtual_width; 130 bool want_same_height = target->timing.v_display == target->virtual_height; 131 132 LOG(1, ("PROPOSEMODE: (ENTER) requested virtual_width %d, virtual_height %d\n", 133 target->virtual_width, target->virtual_height)); 134 135 /*find a nearby valid timing from that given*/ 136 result = head1_validate_timing(&target->timing.h_display, 137 &target->timing.h_sync_start, &target->timing.h_sync_end, 138 &target->timing.h_total, &target->timing.v_display, 139 &target->timing.v_sync_start, &target->timing.v_sync_end, 140 &target->timing.v_total); 141 if (result == B_ERROR) { 142 LOG(4, ("PROPOSEMODE: could not validate timing, aborted.\n")); 143 return result; 144 } 145 146 /* disable aspect checks for a requested TVout mode when mode is TVout capable */ 147 if (!si->ps.tvout 148 || !(BT_check_tvmode(*target) && (target->flags & TV_BITS))) { 149 /* check if all connected output devices can display the requested mode's aspect. 150 * assuming 16:10 screens can display non-WS modes, but cannot (correctly) display 16:9 modes; 151 * assuming 16:9 screens can display non-WS modes, and can display 16:10 modes. */ 152 /* calculate display mode aspect */ 153 target_aspect = (target->timing.h_display / ((float)target->timing.v_display)); 154 /* NOTE: 155 * allow 0.10 difference so 5:4 aspect panels will be able to use 4:3 aspect modes! */ 156 switch (si->ps.monitors) { 157 case 0: /* no monitor found at all */ 158 /* if forcing widescreen type was requested don't block mode */ 159 if (target_aspect > 1.34 && !si->settings.force_ws) { 160 LOG(4, ("PROPOSEMODE: not all output devices can display widescreen modes, aborted.\n")); 161 return B_ERROR; 162 } 163 break; 164 case CRTC1_TMDS: /* digital panel on head 1, nothing on head 2 */ 165 case CRTC1_VGA: /* analog connected screen on head 1, nothing on head 2 */ 166 if (si->ps.crtc1_screen.aspect < (target_aspect - 0.10)) { 167 LOG(4, ("PROPOSEMODE: screen at crtc1 is not widescreen (enough) type, aborted.\n")); 168 return B_ERROR; 169 } 170 break; 171 case CRTC2_TMDS: /* nothing on head 1, digital panel on head 2 */ 172 case CRTC2_VGA: /* analog connected screen on head 2, nothing on head 1 */ 173 if (si->ps.crtc2_screen.aspect < (target_aspect - 0.10)) { 174 LOG(4, ("PROPOSEMODE: screen at crtc2 is not widescreen (enough) type, aborted.\n")); 175 return B_ERROR; 176 } 177 break; 178 case CRTC1_TMDS | CRTC2_TMDS: /* digital panels on both heads */ 179 case CRTC1_VGA | CRTC2_VGA: /* analog connected screens on both heads */ 180 case CRTC1_TMDS | CRTC2_VGA: /* digital panel on head 1, analog connected screen on head 2 */ 181 case CRTC1_VGA | CRTC2_TMDS: /* analog connected screen on head 1, digital panel on head 2 */ 182 default: /* more than two screens connected (illegal setup) */ 183 if ((si->ps.crtc1_screen.aspect < (target_aspect - 0.10)) || 184 (si->ps.crtc2_screen.aspect < (target_aspect - 0.10))) { 185 LOG(4, ("PROPOSEMODE: not all connected screens are widescreen (enough) type, aborted.\n")); 186 return B_ERROR; 187 } 188 break; 189 } 190 } 191 192 /* check if screen(s) can display the requested resolution (if we have it's EDID info) 193 note: 194 allowing 2 pixels more for horizontal display for the 1366 mode, since multiples of 8 195 are required for the CRTCs horizontal timing programming) */ 196 if (si->ps.crtc1_screen.have_native_edid) { 197 if ((target->timing.h_display - 2) > si->ps.crtc1_screen.timing.h_display 198 || target->timing.v_display > si->ps.crtc1_screen.timing.v_display) { 199 LOG(4, ("PROPOSEMODE: screen at crtc1 can't display requested resolution, aborted.\n")); 200 return B_ERROR; 201 } 202 } 203 if (si->ps.crtc2_screen.have_native_edid) { 204 if ((target->timing.h_display - 2) > si->ps.crtc2_screen.timing.h_display 205 || target->timing.v_display > si->ps.crtc2_screen.timing.v_display) { 206 LOG(4, ("PROPOSEMODE: screen at crtc2 can't display requested resolution, aborted.\n")); 207 return B_ERROR; 208 } 209 } 210 211 /* validate display vs. virtual */ 212 if (target->timing.h_display > target->virtual_width || want_same_width) 213 target->virtual_width = target->timing.h_display; 214 if (target->timing.v_display > target->virtual_height || want_same_height) 215 target->virtual_height = target->timing.v_display; 216 217 /* nail virtual size and 'subsequently' calculate rowbytes */ 218 result = nv_general_validate_pic_size(target, &row_bytes, &acc_mode); 219 if (result == B_ERROR) { 220 LOG(4, ("PROPOSEMODE: could not validate virtual picture size, aborted.\n")); 221 return result; 222 } 223 224 /* check if virtual_width is still within the requested limits */ 225 if (target->virtual_width < low->virtual_width 226 || target->virtual_width > high->virtual_width) { 227 status = B_BAD_VALUE; 228 LOG(4, ("PROPOSEMODE: WARNING: virtual_width deviates too much\n")); 229 } 230 231 /* check if timing found is within the requested horizontal limits */ 232 if (target->timing.h_display < low->timing.h_display 233 || target->timing.h_display > high->timing.h_display 234 || target->timing.h_sync_start < low->timing.h_sync_start 235 || target->timing.h_sync_start > high->timing.h_sync_start 236 || target->timing.h_sync_end < low->timing.h_sync_end 237 || target->timing.h_sync_end > high->timing.h_sync_end 238 || target->timing.h_total < low->timing.h_total 239 || target->timing.h_total > high->timing.h_total) { 240 /* BWindowScreen workaround: we accept everything except h_display deviations */ 241 if (target->timing.h_display < low->timing.h_display 242 || target->timing.h_display > high->timing.h_display) 243 status = B_BAD_VALUE; 244 245 LOG(4, ("PROPOSEMODE: WARNING: horizontal timing deviates too much\n")); 246 } 247 248 /* check if timing found is within the requested vertical limits */ 249 if (target->timing.v_display < low->timing.v_display 250 || target->timing.v_display > high->timing.v_display 251 || target->timing.v_sync_start < low->timing.v_sync_start 252 || target->timing.v_sync_start > high->timing.v_sync_start 253 || target->timing.v_sync_end < low->timing.v_sync_end 254 || target->timing.v_sync_end > high->timing.v_sync_end 255 || target->timing.v_total < low->timing.v_total 256 || target->timing.v_total > high->timing.v_total) { 257 /* BWindowScreen workaround: we accept everything except v_display deviations */ 258 if (target->timing.v_display < low->timing.v_display 259 || target->timing.v_display > high->timing.v_display) 260 status = B_BAD_VALUE; 261 262 LOG(4, ("PROPOSEMODE: WARNING: vertical timing deviates too much\n")); 263 } 264 265 /* adjust pixelclock for possible timing modifications done above */ 266 target->timing.pixel_clock = target_refresh * ((double)target->timing.h_total) 267 * ((double)target->timing.v_total) / 1000.0; 268 269 /* Now find the nearest valid pixelclock we actually can setup for the target mode, 270 * this also makes sure we don't generate more pixel bandwidth than the device can handle */ 271 /* calculate settings, but do not actually test anything (that costs too much time!) */ 272 result = head1_pix_pll_find(*target, &pix_clock_found, &m, &n, &p, 0); 273 /* update the target mode */ 274 target->timing.pixel_clock = pix_clock_found * 1000; 275 276 /* note if we fell outside the limits */ 277 if (target->timing.pixel_clock < low->timing.pixel_clock 278 || target->timing.pixel_clock > high->timing.pixel_clock) { 279 /* BWindowScreen workaround: we accept deviations <= 1Mhz */ 280 if (target->timing.pixel_clock < low->timing.pixel_clock - 1000 281 || target->timing.pixel_clock > high->timing.pixel_clock + 1000) 282 status = B_BAD_VALUE; 283 284 LOG(4, ("PROPOSEMODE: WARNING: pixelclock deviates too much\n")); 285 } 286 287 mem_reservation = 0; 288 /* checkout space needed for hardcursor (if any) */ 289 if (si->settings.hardcursor) 290 mem_reservation = 2048; 291 292 /* Reserve extra space as a workaround for certain bugs (see DriverInterface.h 293 * for an explanation). */ 294 if (si->ps.card_arch < NV40A) 295 mem_reservation += PRE_NV40_OFFSET; 296 else 297 mem_reservation += NV40_PLUS_OFFSET; 298 299 /* memory requirement for frame buffer */ 300 if (row_bytes * target->virtual_height > si->ps.memory_size - mem_reservation) { 301 target->virtual_height = (si->ps.memory_size - mem_reservation) / row_bytes; 302 } 303 if (target->virtual_height < target->timing.v_display) { 304 LOG(4,("PROPOSEMODE: not enough memory for current mode, aborted.\n")); 305 return B_ERROR; 306 } 307 308 LOG(4,("PROPOSEMODE: validated virtual_width %d, virtual_height %d pixels\n", 309 target->virtual_width, target->virtual_height)); 310 311 if (target->virtual_height < low->virtual_height 312 || target->virtual_height > high->virtual_height) { 313 status = B_BAD_VALUE; 314 LOG(4, ("PROPOSEMODE: WARNING: virtual_height deviates too much\n")); 315 } 316 317 /* setup status flags */ 318 LOG(1, ("PROPOSEMODE: initial modeflags: $%08x\n", target->flags)); 319 /* preset to singlehead card without TVout, no overlay support and no hardcursor. 320 * also advice system that app_server and acc engine may touch the framebuffer 321 * simultaneously (fixed). */ 322 target->flags &= 323 ~(DUALHEAD_CAPABLE | TV_CAPABLE | B_SUPPORTS_OVERLAYS | B_HARDWARE_CURSOR | B_IO_FB_NA); 324 /* we always allow parallel access (fixed), the DAC is always in 'enhanced' 325 * mode (fixed), and all modes support DPMS (fixed); 326 * We support scrolling and panning in every mode, so we 'send a signal' to 327 * BWindowScreen.CanControlFrameBuffer() by setting B_SCROLL. */ 328 /* BTW: B_PARALLEL_ACCESS in combination with a hardcursor enables 329 * BDirectWindow windowed modes. */ 330 target->flags |= (B_PARALLEL_ACCESS | B_8_BIT_DAC | B_DPMS | B_SCROLL); 331 332 /* determine the 'would be' max. pixelclock for the second DAC for the current videomode if dualhead were activated */ 333 switch (target->space) { 334 case B_CMAP8: 335 max_vclk = si->ps.max_dac2_clock_8; 336 bpp = 1; 337 break; 338 case B_RGB15_LITTLE: 339 case B_RGB16_LITTLE: 340 max_vclk = si->ps.max_dac2_clock_16; 341 bpp = 2; 342 break; 343 case B_RGB24_LITTLE: 344 max_vclk = si->ps.max_dac2_clock_24; 345 bpp = 3; 346 break; 347 case B_RGB32_LITTLE: 348 max_vclk = si->ps.max_dac2_clock_32dh; 349 bpp = 4; 350 break; 351 default: 352 /* use fail-safe value */ 353 max_vclk = si->ps.max_dac2_clock_32dh; 354 bpp = 4; 355 break; 356 } 357 358 /* set DUALHEAD_CAPABLE if suitable */ 359 //fixme: update for independant secondary head use! (reserve fixed memory then) 360 if (si->ps.secondary_head && target->timing.pixel_clock <= (max_vclk * 1000)) { 361 switch (target->flags & DUALHEAD_BITS) { 362 case DUALHEAD_ON: 363 case DUALHEAD_SWITCH: 364 if (si->ps.memory_size - mem_reservation 365 >= row_bytes * target->virtual_height 366 && (uint16)(row_bytes / bpp) >= target->timing.h_display * 2) 367 target->flags |= DUALHEAD_CAPABLE; 368 break; 369 case DUALHEAD_CLONE: 370 if (si->ps.memory_size - mem_reservation 371 >= row_bytes * target->virtual_height) 372 target->flags |= DUALHEAD_CAPABLE; 373 break; 374 case DUALHEAD_OFF: 375 if (si->ps.memory_size - mem_reservation 376 >= row_bytes * target->virtual_height * 2) 377 target->flags |= DUALHEAD_CAPABLE; 378 break; 379 } 380 } 381 382 /* if not dualhead capable card clear dualhead flags */ 383 if (!(target->flags & DUALHEAD_CAPABLE)) 384 target->flags &= ~DUALHEAD_BITS; 385 386 /* set TV_CAPABLE if suitable: pixelclock is not important (defined by TVstandard) */ 387 if (si->ps.tvout && BT_check_tvmode(*target)) 388 target->flags |= TV_CAPABLE; 389 390 /* if not TVout capable card clear TVout flags */ 391 if (!(target->flags & TV_CAPABLE)) 392 target->flags &= ~TV_BITS; 393 394 /* make sure TV head assignment is sane */ 395 if (target->flags & TV_BITS) { 396 if (!si->ps.secondary_head) 397 target->flags |= TV_PRIMARY; 398 else if ((target->flags & DUALHEAD_BITS) == DUALHEAD_OFF) 399 target->flags |= TV_PRIMARY; 400 } else 401 target->flags &= ~TV_PRIMARY; 402 403 /* set HARDWARE_CURSOR mode if suitable */ 404 if (si->settings.hardcursor) 405 target->flags |= B_HARDWARE_CURSOR; 406 407 /* set SUPPORTS_OVERLAYS if suitable */ 408 if (si->ps.card_type <= NV40 || si->ps.card_type == NV45) 409 target->flags |= B_SUPPORTS_OVERLAYS; 410 411 LOG(1, ("PROPOSEMODE: validated modeflags: $%08x\n", target->flags)); 412 413 /* overrule timing command flags to be (fixed) blank_pedestal = 0.0IRE, 414 * progressive scan (fixed), and sync_on_green not avaible. */ 415 target->timing.flags &= ~(B_BLANK_PEDESTAL | B_TIMING_INTERLACED | B_SYNC_ON_GREEN); 416 /* The HSYNC and VSYNC command flags are actually executed by the driver. */ 417 418 if (status == B_OK) 419 LOG(4, ("PROPOSEMODE: completed successfully.\n")); 420 else 421 LOG(4, ("PROPOSEMODE: mode can be made, but outside given limits.\n")); 422 return status; 423} 424 425 426/*! 427 Return the number of modes this device will return from GET_MODE_LIST(). 428 This is precalculated in create_mode_list (called from InitAccelerant stuff) 429*/ 430uint32 431ACCELERANT_MODE_COUNT(void) 432{ 433 LOG(1, ("ACCELERANT_MODE_COUNT: the modelist contains %d modes\n",si->mode_count)); 434 return si->mode_count; 435} 436 437 438/*! Copy the list of guaranteed supported video modes to the location provided. 439*/ 440status_t 441GET_MODE_LIST(display_mode *dm) 442{ 443 LOG(1, ("GET_MODE_LIST: exporting the modelist created before.\n")); 444 445 memcpy(dm, my_mode_list, si->mode_count * sizeof(display_mode)); 446 return B_OK; 447} 448 449 450/*! Create a list of display_modes to pass back to the caller. 451*/ 452status_t 453create_mode_list(void) 454{ 455 size_t max_size; 456 uint32 i, j, pix_clk_range; 457 const display_mode *src; 458 display_mode *dst, low, high; 459 color_space spaces[4] = {B_RGB32_LITTLE, B_RGB16_LITTLE, B_RGB15_LITTLE, B_CMAP8}; 460 461 /* figure out how big the list could be, and adjust up to nearest multiple of B_PAGE_SIZE */ 462 max_size = (((MODE_COUNT * 4) * sizeof(display_mode)) + (B_PAGE_SIZE-1)) & ~(B_PAGE_SIZE-1); 463 464 /* create an area to hold the info */ 465 si->mode_area = my_mode_list_area = create_area("NV accelerant mode info", 466 (void **)&my_mode_list, B_ANY_ADDRESS, max_size, B_NO_LOCK, 467 B_READ_AREA | B_WRITE_AREA); 468 if (my_mode_list_area < B_OK) 469 return my_mode_list_area; 470 471 /* walk through our predefined list and see which modes fit this device */ 472 src = mode_list; 473 dst = my_mode_list; 474 si->mode_count = 0; 475 for (i = 0; i < MODE_COUNT; i++) { 476 /* set ranges for acceptable values */ 477 low = high = *src; 478 /* range is 6.25% of default clock: arbitrarily picked */ 479 pix_clk_range = low.timing.pixel_clock >> 5; 480 low.timing.pixel_clock -= pix_clk_range; 481 high.timing.pixel_clock += pix_clk_range; 482 /* 'some cards need wider virtual widths for certain modes': 483 * Not true. They might need a wider pitch, but this is _not_ reflected in 484 * virtual_width, but in fbc.bytes_per_row. */ 485 //So disable next line: 486 //high.virtual_width = 4096; 487 /* do it once for each depth we want to support */ 488 for (j = 0; j < (sizeof(spaces) / sizeof(color_space)); j++) { 489 /* set target values */ 490 *dst = *src; 491 /* poke the specific space */ 492 dst->space = low.space = high.space = spaces[j]; 493 /* ask for a compatible mode */ 494 /* We have to check for B_OK, because otherwise the pix_clk_range 495 * won't be taken into account!! */ 496 //So don't do this: 497 //if (PROPOSE_DISPLAY_MODE(dst, &low, &high) != B_ERROR) { 498 //Instead, do this: 499 if (PROPOSE_DISPLAY_MODE(dst, &low, &high) == B_OK) { 500 /* count it, and move on to next mode */ 501 dst++; 502 si->mode_count++; 503 } 504 } 505 /* advance to next mode */ 506 src++; 507 } 508 509 return B_OK; 510} 511