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 MGA driver: 6 Mark Watson, 7 Rudolf Cornelissen 9/2002-10/2009 8*/ 9 10#include <string.h> 11 12#define MODULE_BIT 0x00400000 13 14#include "acc_std.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/* Standard VESA modes, 22 * plus panel specific resolution modes which are internally modified during run-time depending on the requirements of the actual 23 * panel connected. The modes as listed here, should timing-wise be as compatible with analog (CRT) monitors as can be... */ 24//fixme: if EDID monitor found create list via common EDID code... 25static 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{ { 193160, 1920, 2048, 2256, 2592, 1200, 1201, 1204, 1242, T_POSITIVE_SYNC}, B_CMAP8, 1920, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1920X1200) */ 90//{ { 160000, 1920, 2010, 2060, 2110, 1200, 1202, 1208, 1235, T_POSITIVE_SYNC}, B_CMAP8, 1920, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1920X1200) */ 91/* 16:9 panel mode; 1280x720 (HDTV 1280x720p) */ 92{ { 74520, 1280, 1368, 1424, 1656, 720, 724, 730, 750, T_POSITIVE_SYNC}, B_CMAP8, 1280, 720, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1280X720) */ 93/* 16:9 panel mode; 1366x768 (HDTV '1280x720p') 94 note: horizontal CRTC timing must be a multiple of 8! (hardware restriction) */ 95{ { 85500, 1368, 1440, 1576, 1792, 768, 771, 774, 798, T_POSITIVE_SYNC}, B_CMAP8, 1368, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1366X768) */ 96/* 16:9 panel mode; 1920x1080 (HDTV 1920x1080p) */ 97{ { 148500, 1920, 2008, 2052, 2200, 1080, 1084, 1089, 1125, T_POSITIVE_SYNC}, B_CMAP8, 1920, 1080, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1920X1080) */ 98}; 99 100/* 101Check mode is between low and high limits 102returns: 103 B_OK - found one 104 B_BAD_VALUE - mode can be made, but outside limits 105 B_ERROR - not possible 106*/ 107/* BOUNDS WARNING: 108 * BeOS (tested R5.0.3PE) is failing BWindowScreen.SetFrameBuffer() if PROPOSEMODE 109 * returns B_BAD_VALUE. It's called by the OS with target, low and high set to 110 * have the same settings for BWindowScreen! 111 * Which means we should not return B_BAD_VALUE on anything except for deviations on: 112 * display_mode.virtual_width; 113 * display_mode.virtual_height; 114 * display_mode.timing.h_display; 115 * display_mode.timing.v_display; 116 */ 117/* Note: 118 * The target mode should be modified to correspond to the mode as it can be made. */ 119status_t PROPOSE_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; 123 uint8 m,n,p, bpp; 124 status_t result; 125 uint32 max_vclk, row_bytes, pointer_reservation; 126 bool acc_mode; 127 double target_refresh = ((double)target->timing.pixel_clock * 1000.0) / 128 ( 129 (double)target->timing.h_total * 130 (double)target->timing.v_total 131 ); 132 bool 133 want_same_width = target->timing.h_display == target->virtual_width, 134 want_same_height = target->timing.v_display == target->virtual_height; 135 136 LOG(1, ("PROPOSEMODE: (ENTER) requested virtual_width %d, virtual_height %d\n", 137 target->virtual_width, target->virtual_height)); 138 139 /* check colorspace versus requested dualhead mode */ 140 switch (target->space) 141 { 142 case B_CMAP8: 143 case B_RGB15: 144 /* mode will be made 'outside limits' when dualhead was requested */ 145 if (target->flags & DUALHEAD_BITS) 146 { 147 status = B_BAD_VALUE; 148 LOG(4, ("PROPOSEMODE: WARNING: Colorspace can't be done in dualhead mode\n")); 149 } 150 /* clear dualhead bits if colorspace isn't supported to prevent ProposeMode 151 * from aborting */ 152 target->flags &= ~(DUALHEAD_BITS | DUALHEAD_CAPABLE); 153 break; 154 } 155 156 /*find a nearby valid timing from that given*/ 157 result = gx00_crtc_validate_timing 158 ( 159 &target->timing.h_display, &target->timing.h_sync_start, &target->timing.h_sync_end, &target->timing.h_total, 160 &target->timing.v_display, &target->timing.v_sync_start, &target->timing.v_sync_end, &target->timing.v_total 161 ); 162 if (result == B_ERROR) 163 { 164 LOG(4, ("PROPOSEMODE: could not validate timing, aborted.\n")); 165 return result; 166 } 167 168 /* validate display vs. virtual */ 169 if ((target->timing.h_display > target->virtual_width) || want_same_width) 170 target->virtual_width = target->timing.h_display; 171 if ((target->timing.v_display > target->virtual_height) || want_same_height) 172 target->virtual_height = target->timing.v_display; 173 174 /* nail virtual size and 'subsequently' calculate rowbytes */ 175 result = gx00_general_validate_pic_size (target, &row_bytes, &acc_mode); 176 if (result == B_ERROR) 177 { 178 LOG(4, ("PROPOSEMODE: could not validate virtual picture size, aborted.\n")); 179 return result; 180 } 181 182 /*check if virtual_width is still within the requested limits*/ 183 if ((target->virtual_width < low->virtual_width) || 184 (target->virtual_width > high->virtual_width)) 185 { 186 status = B_BAD_VALUE; 187 LOG(4, ("PROPOSEMODE: WARNING: virtual_width deviates too much\n")); 188 } 189 190 /*check if timing found is within the requested horizontal limits*/ 191 if ((target->timing.h_display < low->timing.h_display) || 192 (target->timing.h_display > high->timing.h_display) || 193 (target->timing.h_sync_start < low->timing.h_sync_start) || 194 (target->timing.h_sync_start > high->timing.h_sync_start) || 195 (target->timing.h_sync_end < low->timing.h_sync_end) || 196 (target->timing.h_sync_end > high->timing.h_sync_end) || 197 (target->timing.h_total < low->timing.h_total) || 198 (target->timing.h_total > high->timing.h_total)) 199 { 200 /* BWindowScreen workaround: we accept everything except h_display deviations */ 201 if ((target->timing.h_display < low->timing.h_display) || 202 (target->timing.h_display > high->timing.h_display)) 203 { 204 status = B_BAD_VALUE; 205 } 206 LOG(4, ("PROPOSEMODE: WARNING: horizontal timing deviates too much\n")); 207 } 208 209 /*check if timing found is within the requested vertical limits*/ 210 if ( 211 (target->timing.v_display < low->timing.v_display) || 212 (target->timing.v_display > high->timing.v_display) || 213 (target->timing.v_sync_start < low->timing.v_sync_start) || 214 (target->timing.v_sync_start > high->timing.v_sync_start) || 215 (target->timing.v_sync_end < low->timing.v_sync_end) || 216 (target->timing.v_sync_end > high->timing.v_sync_end) || 217 (target->timing.v_total < low->timing.v_total) || 218 (target->timing.v_total > high->timing.v_total) 219 ) 220 { 221 /* BWindowScreen workaround: we accept everything except v_display deviations */ 222 if ((target->timing.v_display < low->timing.v_display) || 223 (target->timing.v_display > high->timing.v_display)) 224 { 225 status = B_BAD_VALUE; 226 } 227 LOG(4, ("PROPOSEMODE: WARNING: vertical timing deviates too much\n")); 228 } 229 230 /* adjust pixelclock for possible timing modifications done above */ 231 target->timing.pixel_clock = target_refresh * ((double)target->timing.h_total) * ((double)target->timing.v_total) / 1000.0; 232 233 /* Now find the nearest valid pixelclock we actually can setup for the target mode, 234 * this also makes sure we don't generate more pixel bandwidth than the device can handle */ 235 /* calculate settings, but do not actually test anything (that costs too much time!) */ 236 result = gx00_dac_pix_pll_find(*target,&pix_clock_found,&m,&n,&p,0); 237 /* update the target mode */ 238 target->timing.pixel_clock = (pix_clock_found * 1000); 239 240 /* note if we fell outside the limits */ 241 if ((target->timing.pixel_clock < low->timing.pixel_clock) || 242 (target->timing.pixel_clock > high->timing.pixel_clock) 243 ) 244 { 245 /* BWindowScreen workaround: we accept deviations <= 1Mhz */ 246 if ((target->timing.pixel_clock < (low->timing.pixel_clock - 1000)) || 247 (target->timing.pixel_clock > (high->timing.pixel_clock + 1000))) 248 { 249 status = B_BAD_VALUE; 250 } 251 LOG(4, ("PROPOSEMODE: WARNING: pixelclock deviates too much\n")); 252 } 253 254 /* checkout space needed for hardcursor (if any) */ 255 pointer_reservation = 0; 256 /* MIL 1/2 cards have a seperate buffer for the cursorbitmap inside the DAC */ 257 if ((si->ps.card_type >= G100) && si->settings.hardcursor) pointer_reservation = 1024; 258 /* memory requirement for frame buffer */ 259 if ((row_bytes * target->virtual_height) > 260 ((si->ps.memory_size * 1024 * 1024) - pointer_reservation)) 261 { 262 target->virtual_height = 263 ((si->ps.memory_size * 1024 * 1024) - pointer_reservation) / row_bytes; 264 } 265 if (target->virtual_height < target->timing.v_display) 266 { 267 LOG(4,("PROPOSEMODE: not enough memory for current mode, aborted.\n")); 268 return B_ERROR; 269 } 270 LOG(4,("PROPOSEMODE: validated virtual_width %d, virtual_height %d pixels\n", 271 target->virtual_width, target->virtual_height)); 272 273 if ((target->virtual_height < low->virtual_height) || 274 (target->virtual_height > high->virtual_height)) 275 { 276 status = B_BAD_VALUE; 277 LOG(4, ("PROPOSEMODE: WARNING: virtual_height deviates too much\n")); 278 } 279 280 /* setup status flags */ 281 LOG(1, ("PROPOSEMODE: initial modeflags: $%08x\n", target->flags)); 282 /* preset to singlehead card without TVout, no overlay support and no hardcursor. 283 * also advice system that app_server and acc engine may touch the framebuffer 284 * simultaneously (fixed). */ 285 target->flags &= 286 ~(DUALHEAD_CAPABLE | TV_CAPABLE | B_SUPPORTS_OVERLAYS | B_HARDWARE_CURSOR | B_IO_FB_NA); 287 /* we always allow parallel access (fixed), the DAC is always in 'enhanced' 288 * mode (fixed), and all modes support DPMS (fixed); 289 * We support scrolling and panning in every mode, so we 'send a signal' to 290 * BWindowScreen.CanControlFrameBuffer() by setting B_SCROLL. */ 291 /* BTW: B_PARALLEL_ACCESS in combination with a hardcursor enables 292 * BDirectWindow windowed modes. */ 293 target->flags |= (B_PARALLEL_ACCESS | B_8_BIT_DAC | B_DPMS | B_SCROLL); 294 295 /* determine the 'would be' max. pixelclock for the second DAC for the current videomode if dualhead were activated */ 296 switch (target->space) 297 { 298 case B_CMAP8: 299 max_vclk = si->ps.max_dac2_clock_8; 300 bpp = 1; 301 break; 302 case B_RGB15_LITTLE: 303 case B_RGB16_LITTLE: 304 max_vclk = si->ps.max_dac2_clock_16; 305 bpp = 2; 306 break; 307 case B_RGB24_LITTLE: 308 max_vclk = si->ps.max_dac2_clock_24; 309 bpp = 3; 310 break; 311 case B_RGB32_LITTLE: 312 max_vclk = si->ps.max_dac2_clock_32dh; 313 bpp = 4; 314 break; 315 default: 316 /* use fail-safe value */ 317 max_vclk = si->ps.max_dac2_clock_32dh; 318 bpp = 4; 319 break; 320 } 321 322 /* set DUALHEAD_CAPABLE if suitable */ 323 //fixme: update for independant secondary head use! (reserve fixed memory then) 324 if (si->ps.secondary_head && 325 ((target->space == B_RGB16_LITTLE) || (target->space == B_RGB32_LITTLE)) && 326 (target->timing.pixel_clock <= (max_vclk * 1000))) 327 { 328 /* extra line for G400 MAVEN vblank design fault workaround needed! */ 329 uint16 vblank_fix = 0; 330 if (si->ps.card_type <= G400MAX) vblank_fix = 1; 331 332 switch (target->flags & DUALHEAD_BITS) 333 { 334 case DUALHEAD_ON: 335 case DUALHEAD_SWITCH: 336 if ((((si->ps.memory_size * 1024 * 1024) - pointer_reservation) >= 337 (row_bytes * (target->virtual_height + vblank_fix))) && 338 ((uint16)(row_bytes / bpp) >= (target->timing.h_display * 2))) 339 { 340 target->flags |= DUALHEAD_CAPABLE; 341 } 342 break; 343 case DUALHEAD_CLONE: 344 if (((si->ps.memory_size * 1024 * 1024) - pointer_reservation) >= 345 (row_bytes * (target->virtual_height + vblank_fix))) 346 { 347 target->flags |= DUALHEAD_CAPABLE; 348 } 349 break; 350 case DUALHEAD_OFF: 351 if (((si->ps.memory_size * 1024 * 1024) - pointer_reservation) >= 352 (row_bytes * (target->virtual_height + vblank_fix) * 2)) 353 { 354 target->flags |= DUALHEAD_CAPABLE; 355 } 356 break; 357 } 358 } 359 360 /* if not dualhead capable card clear dualhead flags */ 361 if (!(target->flags & DUALHEAD_CAPABLE)) 362 { 363 target->flags &= ~DUALHEAD_BITS; 364 } 365 366 /* set TV_CAPABLE if suitable: pixelclock is not important (defined by TVstandard) */ 367 switch (si->ps.card_type) 368 { 369 case G100: 370 case G200: 371 /* confirmed most 8-bit modes to be troublesome for TVout (data fetch errors). */ 372 if (si->ps.tvout && 373 ((target->space == B_RGB16_LITTLE) || (target->space == B_RGB32_LITTLE)) && 374 (target->timing.h_display <= 1024) && 375 (target->timing.v_display <= 768)) 376 { 377 target->flags |= TV_CAPABLE; 378 } 379 break; 380 case G400: 381 case G400MAX: 382 if (si->ps.tvout && 383 ((target->space == B_RGB16_LITTLE) || (target->space == B_RGB32_LITTLE)) && 384 (target->timing.h_display <= 1024) && 385 (target->timing.v_display <= 768)) 386 { 387 target->flags |= TV_CAPABLE; 388 } 389 break; 390 case G450: 391 case G550: 392 /* G450/G550 can only do secondary TVout in Video modes (no Desktop modes!) */ 393 if ((target->flags & DUALHEAD_CAPABLE) && (target->flags & TV_VIDEO)) 394 { 395 if (si->ps.tvout && 396 (target->timing.h_display <= 1024) && /* Hscaling option exists */ 397 (target->timing.v_display <= 576)) /* Vscaling option lacks */ 398 { 399 target->flags |= TV_CAPABLE; 400 } 401 } 402 break; 403 default: 404 break; 405 } 406 407 /* TVout can only be done if the interface cable is connected on dualhead cards */ 408 if (si->ps.secondary_head && (i2c_sec_tv_adapter() != B_OK)) 409 { 410 target->flags &= ~TV_CAPABLE; 411 LOG(1, ("PROPOSEMODE: blocking TVout: no TVout cable connected!\n")); 412 } 413 414 /* if not TVout capable card and mode clear TVout flags */ 415 if (!(target->flags & TV_CAPABLE)) 416 { 417 target->flags &= ~TV_BITS; 418 } 419 420 /* the matrox driver can only do secondary TVout on dualhead cards */ 421 if ((target->flags & TV_BITS) && !si->ps.secondary_head) 422 { 423 target->flags |= TV_PRIMARY; 424 } 425 else 426 { 427 target->flags &= ~TV_PRIMARY; 428 } 429 430 /* set HARDWARE_CURSOR mode if suitable */ 431 if (si->settings.hardcursor) 432 target->flags |= B_HARDWARE_CURSOR; 433 434 /* set SUPPORTS_OVERLAYS if suitable */ 435 if (si->ps.card_type >= G200) 436 target->flags |= B_SUPPORTS_OVERLAYS; 437 438 LOG(1, ("PROPOSEMODE: validated modeflags: $%08x\n", target->flags)); 439 440 /* overrule timing command flags to be (fixed) blank_pedestal = 0.0IRE, 441 * progressive scan (fixed), and setup sync_on_green flag according to 442 * mga.settings options file */ 443 target->timing.flags &= ~(B_BLANK_PEDESTAL | B_TIMING_INTERLACED | B_SYNC_ON_GREEN); 444 if (si->settings.greensync) 445 target->timing.flags |= B_SYNC_ON_GREEN; 446 /* The HSYNC and VSYNC command flags are actually executed by the driver. */ 447 448 if (status == B_OK) LOG(4, ("PROPOSEMODE: completed successfully.\n")); 449 else LOG(4, ("PROPOSEMODE: mode can be made, but outside given limits.\n")); 450 return status; 451} 452 453/* Return the number of modes this device will return from GET_MODE_LIST(). 454 This is precalculated in create_mode_list (called from InitAccelerant stuff) 455*/ 456uint32 ACCELERANT_MODE_COUNT(void) 457{ 458 LOG(1, ("ACCELERANT_MODE_COUNT: the modelist contains %d modes\n",si->mode_count)); 459 460 return si->mode_count; 461} 462 463/* Copy the list of guaranteed supported video modes to the location provided.*/ 464status_t GET_MODE_LIST(display_mode *dm) 465{ 466 LOG(1, ("GET_MODE_LIST: exporting the modelist created before.\n")); 467 468 memcpy(dm, my_mode_list, si->mode_count * sizeof(display_mode)); 469 return B_OK; 470} 471 472/* Create a list of display_modes to pass back to the caller.*/ 473status_t create_mode_list(void) { 474 size_t max_size; 475 uint32 476 i, j, 477 pix_clk_range; 478 const display_mode 479 *src; 480 display_mode 481 *dst, 482 low, 483 high; 484 485 color_space spaces[4] = {B_RGB32_LITTLE,B_RGB16_LITTLE,B_RGB15_LITTLE,B_CMAP8}; 486 487 /* figure out how big the list could be, and adjust up to nearest multiple of B_PAGE_SIZE*/ 488 max_size = (((MODE_COUNT * 4) * sizeof(display_mode)) + (B_PAGE_SIZE-1)) & ~(B_PAGE_SIZE-1); 489 /* create an area to hold the info */ 490 si->mode_area = my_mode_list_area = 491 create_area("MGA accelerant mode info", (void **)&my_mode_list, B_ANY_ADDRESS, max_size, 492 B_NO_LOCK, B_READ_AREA | B_WRITE_AREA | B_CLONEABLE_AREA); 493 if (my_mode_list_area < B_OK) return my_mode_list_area; 494 495 /* walk through our predefined list and see which modes fit this device */ 496 src = mode_list; 497 dst = my_mode_list; 498 si->mode_count = 0; 499 for (i = 0; i < MODE_COUNT; i++) { 500 /* set ranges for acceptable values */ 501 low = high = *src; 502 /* range is 6.25% of default clock: arbitrarily picked */ 503 pix_clk_range = low.timing.pixel_clock >> 5; 504 low.timing.pixel_clock -= pix_clk_range; 505 high.timing.pixel_clock += pix_clk_range; 506 /* 'some cards need wider virtual widths for certain modes': 507 * Not true. They might need a wider pitch, but this is _not_ reflected in 508 * virtual_width, but in fbc.bytes_per_row. */ 509 //So disable next line: 510 //high.virtual_width = 4096; 511 /* do it once for each depth we want to support */ 512 for (j = 0; j < (sizeof(spaces) / sizeof(color_space)); j++) 513 { 514 /* set target values */ 515 *dst = *src; 516 /* poke the specific space */ 517 dst->space = low.space = high.space = spaces[j]; 518 /* ask for a compatible mode */ 519 /* We have to check for B_OK, because otherwise the pix_clk_range 520 * won't be taken into account!! */ 521 //So don't do this: 522 //if (PROPOSE_DISPLAY_MODE(dst, &low, &high) != B_ERROR) { 523 //Instead, do this: 524 if (PROPOSE_DISPLAY_MODE(dst, &low, &high) == B_OK) { 525 /* count it, and move on to next mode */ 526 dst++; 527 si->mode_count++; 528 } 529 } 530 /* advance to next mode */ 531 src++; 532 } 533 534 return B_OK; 535} 536