/* Copyright 1999, Be Incorporated. All Rights Reserved. This file may be used under the terms of the Be Sample Code License. Other authors for MGA driver: Mark Watson, Rudolf Cornelissen 9/2002-10/2009 */ #include #define MODULE_BIT 0x00400000 #include "acc_std.h" #define T_POSITIVE_SYNC (B_POSITIVE_HSYNC | B_POSITIVE_VSYNC) /* mode flags will be setup as status info by PROPOSEMODE! */ #define MODE_FLAGS 0 #define MODE_COUNT (sizeof (mode_list) / sizeof (display_mode)) /* Standard VESA modes, * plus panel specific resolution modes which are internally modified during run-time depending on the requirements of the actual * panel connected. The modes as listed here, should timing-wise be as compatible with analog (CRT) monitors as can be... */ //fixme: if EDID monitor found create list via common EDID code... static const display_mode mode_list[] = { /* 4:3 modes; 307.2k pixels */ { { 25175, 640, 656, 752, 800, 480, 490, 492, 525, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(640X480X8.Z1) */ { { 27500, 640, 672, 768, 864, 480, 488, 494, 530, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* 640X480X60Hz */ { { 30500, 640, 672, 768, 864, 480, 517, 523, 588, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* SVGA_640X480X60HzNI */ { { 31500, 640, 664, 704, 832, 480, 489, 492, 520, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@70-72Hz_(640X480X8.Z1) */ { { 31500, 640, 656, 720, 840, 480, 481, 484, 500, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(640X480X8.Z1) */ { { 36000, 640, 696, 752, 832, 480, 481, 484, 509, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(640X480X8.Z1) */ /* 4:3 modes; 480k pixels */ { { 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 */ { { 38100, 800, 832, 960, 1088, 600, 602, 606, 620, 0}, B_CMAP8, 800, 600, 0, 0, MODE_FLAGS}, /* SVGA_800X600X56HzNI */ { { 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 */ { { 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 */ { { 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 */ { { 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 */ /* 4:3 modes; 786.432k pixels */ { { 65000, 1024, 1048, 1184, 1344, 768, 771, 777, 806, 0}, B_CMAP8, 1024, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1024X768X8.Z1) + XFree86 */ { { 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 */ { { 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 */ { { 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 */ /* 4:3 modes; 995.328k pixels */ { { 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) */ { { 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) */ { { 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 */ { { 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) */ /* 5:4 modes; 1.311M pixels */ { { 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 */ { { 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 */ { { 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 */ /* 4:3 panel mode; 1.47M pixels */ { { 122600, 1400, 1488, 1640, 1880, 1050, 1051, 1054, 1087, T_POSITIVE_SYNC}, B_CMAP8, 1400, 1050, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1400X1050) */ /* 4:3 modes; 1.92M pixels */ { { 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 */ /* identical lines to above one, apart from refreshrate.. */ { { 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 */ { { 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 */ { { 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 */ { { 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) */ { { 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 */ /* end identical lines. */ /* 4:3 modes; 2.408M pixels */ { { 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 */ { { 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 */ /* 4:3 modes; 2.584M pixels */ { { 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 */ { { 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 */ /* 4:3 modes; 2.765M pixels */ { { 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 */ { { 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 */ /* 4:3 modes; 3.146M pixels */ { { 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 */ /* 16:10 panel mode; 400k pixels */ { { 31300, 800, 848, 928, 1008, 500, 501, 504, 518, T_POSITIVE_SYNC}, B_CMAP8, 800, 500, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(800X500) */ /* 16:10 panel mode; 655.36k pixels */ { { 52800, 1024, 1072, 1176, 1328, 640, 641, 644, 663, T_POSITIVE_SYNC}, B_CMAP8, 1024, 640, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1024X640) */ /* 16:10 panel-TV mode; 983.04k pixels */ { { 80135, 1280, 1344, 1480, 1680, 768, 769, 772, 795, T_POSITIVE_SYNC}, B_CMAP8, 1280, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1280X768) */ /* 16:10 panel mode; 1.024M pixels */ { { 83500, 1280, 1344, 1480, 1680, 800, 801, 804, 828, T_POSITIVE_SYNC}, B_CMAP8, 1280, 800, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1280X800) */ /* 16:10 panel mode; 1.296M pixels */ { { 106500, 1440, 1520, 1672, 1904, 900, 901, 904, 932, T_POSITIVE_SYNC}, B_CMAP8, 1440, 900, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1440X900) */ /* 16:10 panel mode; 1.764M pixels */ { { 147100, 1680, 1784, 1968, 2256, 1050, 1051, 1054, 1087, T_POSITIVE_SYNC}, B_CMAP8, 1680, 1050, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1680X1050) */ /* 16:10 panel mode; 2.304M pixels */ { { 193160, 1920, 2048, 2256, 2592, 1200, 1201, 1204, 1242, T_POSITIVE_SYNC}, B_CMAP8, 1920, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1920X1200) */ //{ { 160000, 1920, 2010, 2060, 2110, 1200, 1202, 1208, 1235, T_POSITIVE_SYNC}, B_CMAP8, 1920, 1200, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1920X1200) */ /* 16:9 panel mode; 1280x720 (HDTV 1280x720p) */ { { 74520, 1280, 1368, 1424, 1656, 720, 724, 730, 750, T_POSITIVE_SYNC}, B_CMAP8, 1280, 720, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1280X720) */ /* 16:9 panel mode; 1366x768 (HDTV '1280x720p') note: horizontal CRTC timing must be a multiple of 8! (hardware restriction) */ { { 85500, 1368, 1440, 1576, 1792, 768, 771, 774, 798, T_POSITIVE_SYNC}, B_CMAP8, 1368, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1366X768) */ /* 16:9 panel mode; 1920x1080 (HDTV 1920x1080p) */ { { 148500, 1920, 2008, 2052, 2200, 1080, 1084, 1089, 1125, T_POSITIVE_SYNC}, B_CMAP8, 1920, 1080, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1920X1080) */ }; /* Check mode is between low and high limits returns: B_OK - found one B_BAD_VALUE - mode can be made, but outside limits B_ERROR - not possible */ /* BOUNDS WARNING: * BeOS (tested R5.0.3PE) is failing BWindowScreen.SetFrameBuffer() if PROPOSEMODE * returns B_BAD_VALUE. It's called by the OS with target, low and high set to * have the same settings for BWindowScreen! * Which means we should not return B_BAD_VALUE on anything except for deviations on: * display_mode.virtual_width; * display_mode.virtual_height; * display_mode.timing.h_display; * display_mode.timing.v_display; */ /* Note: * The target mode should be modified to correspond to the mode as it can be made. */ status_t PROPOSE_DISPLAY_MODE(display_mode *target, const display_mode *low, const display_mode *high) { status_t status = B_OK; float pix_clock_found; uint8 m,n,p, bpp; status_t result; uint32 max_vclk, row_bytes, pointer_reservation; bool acc_mode; double target_refresh = ((double)target->timing.pixel_clock * 1000.0) / ( (double)target->timing.h_total * (double)target->timing.v_total ); bool want_same_width = target->timing.h_display == target->virtual_width, want_same_height = target->timing.v_display == target->virtual_height; LOG(1, ("PROPOSEMODE: (ENTER) requested virtual_width %d, virtual_height %d\n", target->virtual_width, target->virtual_height)); /* check colorspace versus requested dualhead mode */ switch (target->space) { case B_CMAP8: case B_RGB15: /* mode will be made 'outside limits' when dualhead was requested */ if (target->flags & DUALHEAD_BITS) { status = B_BAD_VALUE; LOG(4, ("PROPOSEMODE: WARNING: Colorspace can't be done in dualhead mode\n")); } /* clear dualhead bits if colorspace isn't supported to prevent ProposeMode * from aborting */ target->flags &= ~(DUALHEAD_BITS | DUALHEAD_CAPABLE); break; } /*find a nearby valid timing from that given*/ result = gx00_crtc_validate_timing ( &target->timing.h_display, &target->timing.h_sync_start, &target->timing.h_sync_end, &target->timing.h_total, &target->timing.v_display, &target->timing.v_sync_start, &target->timing.v_sync_end, &target->timing.v_total ); if (result == B_ERROR) { LOG(4, ("PROPOSEMODE: could not validate timing, aborted.\n")); return result; } /* validate display vs. virtual */ if ((target->timing.h_display > target->virtual_width) || want_same_width) target->virtual_width = target->timing.h_display; if ((target->timing.v_display > target->virtual_height) || want_same_height) target->virtual_height = target->timing.v_display; /* nail virtual size and 'subsequently' calculate rowbytes */ result = gx00_general_validate_pic_size (target, &row_bytes, &acc_mode); if (result == B_ERROR) { LOG(4, ("PROPOSEMODE: could not validate virtual picture size, aborted.\n")); return result; } /*check if virtual_width is still within the requested limits*/ if ((target->virtual_width < low->virtual_width) || (target->virtual_width > high->virtual_width)) { status = B_BAD_VALUE; LOG(4, ("PROPOSEMODE: WARNING: virtual_width deviates too much\n")); } /*check if timing found is within the requested horizontal limits*/ if ((target->timing.h_display < low->timing.h_display) || (target->timing.h_display > high->timing.h_display) || (target->timing.h_sync_start < low->timing.h_sync_start) || (target->timing.h_sync_start > high->timing.h_sync_start) || (target->timing.h_sync_end < low->timing.h_sync_end) || (target->timing.h_sync_end > high->timing.h_sync_end) || (target->timing.h_total < low->timing.h_total) || (target->timing.h_total > high->timing.h_total)) { /* BWindowScreen workaround: we accept everything except h_display deviations */ if ((target->timing.h_display < low->timing.h_display) || (target->timing.h_display > high->timing.h_display)) { status = B_BAD_VALUE; } LOG(4, ("PROPOSEMODE: WARNING: horizontal timing deviates too much\n")); } /*check if timing found is within the requested vertical limits*/ if ( (target->timing.v_display < low->timing.v_display) || (target->timing.v_display > high->timing.v_display) || (target->timing.v_sync_start < low->timing.v_sync_start) || (target->timing.v_sync_start > high->timing.v_sync_start) || (target->timing.v_sync_end < low->timing.v_sync_end) || (target->timing.v_sync_end > high->timing.v_sync_end) || (target->timing.v_total < low->timing.v_total) || (target->timing.v_total > high->timing.v_total) ) { /* BWindowScreen workaround: we accept everything except v_display deviations */ if ((target->timing.v_display < low->timing.v_display) || (target->timing.v_display > high->timing.v_display)) { status = B_BAD_VALUE; } LOG(4, ("PROPOSEMODE: WARNING: vertical timing deviates too much\n")); } /* adjust pixelclock for possible timing modifications done above */ target->timing.pixel_clock = target_refresh * ((double)target->timing.h_total) * ((double)target->timing.v_total) / 1000.0; /* Now find the nearest valid pixelclock we actually can setup for the target mode, * this also makes sure we don't generate more pixel bandwidth than the device can handle */ /* calculate settings, but do not actually test anything (that costs too much time!) */ result = gx00_dac_pix_pll_find(*target,&pix_clock_found,&m,&n,&p,0); /* update the target mode */ target->timing.pixel_clock = (pix_clock_found * 1000); /* note if we fell outside the limits */ if ((target->timing.pixel_clock < low->timing.pixel_clock) || (target->timing.pixel_clock > high->timing.pixel_clock) ) { /* BWindowScreen workaround: we accept deviations <= 1Mhz */ if ((target->timing.pixel_clock < (low->timing.pixel_clock - 1000)) || (target->timing.pixel_clock > (high->timing.pixel_clock + 1000))) { status = B_BAD_VALUE; } LOG(4, ("PROPOSEMODE: WARNING: pixelclock deviates too much\n")); } /* checkout space needed for hardcursor (if any) */ pointer_reservation = 0; /* MIL 1/2 cards have a seperate buffer for the cursorbitmap inside the DAC */ if ((si->ps.card_type >= G100) && si->settings.hardcursor) pointer_reservation = 1024; /* memory requirement for frame buffer */ if ((row_bytes * target->virtual_height) > ((si->ps.memory_size * 1024 * 1024) - pointer_reservation)) { target->virtual_height = ((si->ps.memory_size * 1024 * 1024) - pointer_reservation) / row_bytes; } if (target->virtual_height < target->timing.v_display) { LOG(4,("PROPOSEMODE: not enough memory for current mode, aborted.\n")); return B_ERROR; } LOG(4,("PROPOSEMODE: validated virtual_width %d, virtual_height %d pixels\n", target->virtual_width, target->virtual_height)); if ((target->virtual_height < low->virtual_height) || (target->virtual_height > high->virtual_height)) { status = B_BAD_VALUE; LOG(4, ("PROPOSEMODE: WARNING: virtual_height deviates too much\n")); } /* setup status flags */ LOG(1, ("PROPOSEMODE: initial modeflags: $%08x\n", target->flags)); /* preset to singlehead card without TVout, no overlay support and no hardcursor. * also advice system that app_server and acc engine may touch the framebuffer * simultaneously (fixed). */ target->flags &= ~(DUALHEAD_CAPABLE | TV_CAPABLE | B_SUPPORTS_OVERLAYS | B_HARDWARE_CURSOR | B_IO_FB_NA); /* we always allow parallel access (fixed), the DAC is always in 'enhanced' * mode (fixed), and all modes support DPMS (fixed); * We support scrolling and panning in every mode, so we 'send a signal' to * BWindowScreen.CanControlFrameBuffer() by setting B_SCROLL. */ /* BTW: B_PARALLEL_ACCESS in combination with a hardcursor enables * BDirectWindow windowed modes. */ target->flags |= (B_PARALLEL_ACCESS | B_8_BIT_DAC | B_DPMS | B_SCROLL); /* determine the 'would be' max. pixelclock for the second DAC for the current videomode if dualhead were activated */ switch (target->space) { case B_CMAP8: max_vclk = si->ps.max_dac2_clock_8; bpp = 1; break; case B_RGB15_LITTLE: case B_RGB16_LITTLE: max_vclk = si->ps.max_dac2_clock_16; bpp = 2; break; case B_RGB24_LITTLE: max_vclk = si->ps.max_dac2_clock_24; bpp = 3; break; case B_RGB32_LITTLE: max_vclk = si->ps.max_dac2_clock_32dh; bpp = 4; break; default: /* use fail-safe value */ max_vclk = si->ps.max_dac2_clock_32dh; bpp = 4; break; } /* set DUALHEAD_CAPABLE if suitable */ //fixme: update for independant secondary head use! (reserve fixed memory then) if (si->ps.secondary_head && ((target->space == B_RGB16_LITTLE) || (target->space == B_RGB32_LITTLE)) && (target->timing.pixel_clock <= (max_vclk * 1000))) { /* extra line for G400 MAVEN vblank design fault workaround needed! */ uint16 vblank_fix = 0; if (si->ps.card_type <= G400MAX) vblank_fix = 1; switch (target->flags & DUALHEAD_BITS) { case DUALHEAD_ON: case DUALHEAD_SWITCH: if ((((si->ps.memory_size * 1024 * 1024) - pointer_reservation) >= (row_bytes * (target->virtual_height + vblank_fix))) && ((uint16)(row_bytes / bpp) >= (target->timing.h_display * 2))) { target->flags |= DUALHEAD_CAPABLE; } break; case DUALHEAD_CLONE: if (((si->ps.memory_size * 1024 * 1024) - pointer_reservation) >= (row_bytes * (target->virtual_height + vblank_fix))) { target->flags |= DUALHEAD_CAPABLE; } break; case DUALHEAD_OFF: if (((si->ps.memory_size * 1024 * 1024) - pointer_reservation) >= (row_bytes * (target->virtual_height + vblank_fix) * 2)) { target->flags |= DUALHEAD_CAPABLE; } break; } } /* if not dualhead capable card clear dualhead flags */ if (!(target->flags & DUALHEAD_CAPABLE)) { target->flags &= ~DUALHEAD_BITS; } /* set TV_CAPABLE if suitable: pixelclock is not important (defined by TVstandard) */ switch (si->ps.card_type) { case G100: case G200: /* confirmed most 8-bit modes to be troublesome for TVout (data fetch errors). */ if (si->ps.tvout && ((target->space == B_RGB16_LITTLE) || (target->space == B_RGB32_LITTLE)) && (target->timing.h_display <= 1024) && (target->timing.v_display <= 768)) { target->flags |= TV_CAPABLE; } break; case G400: case G400MAX: if (si->ps.tvout && ((target->space == B_RGB16_LITTLE) || (target->space == B_RGB32_LITTLE)) && (target->timing.h_display <= 1024) && (target->timing.v_display <= 768)) { target->flags |= TV_CAPABLE; } break; case G450: case G550: /* G450/G550 can only do secondary TVout in Video modes (no Desktop modes!) */ if ((target->flags & DUALHEAD_CAPABLE) && (target->flags & TV_VIDEO)) { if (si->ps.tvout && (target->timing.h_display <= 1024) && /* Hscaling option exists */ (target->timing.v_display <= 576)) /* Vscaling option lacks */ { target->flags |= TV_CAPABLE; } } break; default: break; } /* TVout can only be done if the interface cable is connected on dualhead cards */ if (si->ps.secondary_head && (i2c_sec_tv_adapter() != B_OK)) { target->flags &= ~TV_CAPABLE; LOG(1, ("PROPOSEMODE: blocking TVout: no TVout cable connected!\n")); } /* if not TVout capable card and mode clear TVout flags */ if (!(target->flags & TV_CAPABLE)) { target->flags &= ~TV_BITS; } /* the matrox driver can only do secondary TVout on dualhead cards */ if ((target->flags & TV_BITS) && !si->ps.secondary_head) { target->flags |= TV_PRIMARY; } else { target->flags &= ~TV_PRIMARY; } /* set HARDWARE_CURSOR mode if suitable */ if (si->settings.hardcursor) target->flags |= B_HARDWARE_CURSOR; /* set SUPPORTS_OVERLAYS if suitable */ if (si->ps.card_type >= G200) target->flags |= B_SUPPORTS_OVERLAYS; LOG(1, ("PROPOSEMODE: validated modeflags: $%08x\n", target->flags)); /* overrule timing command flags to be (fixed) blank_pedestal = 0.0IRE, * progressive scan (fixed), and setup sync_on_green flag according to * mga.settings options file */ target->timing.flags &= ~(B_BLANK_PEDESTAL | B_TIMING_INTERLACED | B_SYNC_ON_GREEN); if (si->settings.greensync) target->timing.flags |= B_SYNC_ON_GREEN; /* The HSYNC and VSYNC command flags are actually executed by the driver. */ if (status == B_OK) LOG(4, ("PROPOSEMODE: completed successfully.\n")); else LOG(4, ("PROPOSEMODE: mode can be made, but outside given limits.\n")); return status; } /* Return the number of modes this device will return from GET_MODE_LIST(). This is precalculated in create_mode_list (called from InitAccelerant stuff) */ uint32 ACCELERANT_MODE_COUNT(void) { LOG(1, ("ACCELERANT_MODE_COUNT: the modelist contains %d modes\n",si->mode_count)); return si->mode_count; } /* Copy the list of guaranteed supported video modes to the location provided.*/ status_t GET_MODE_LIST(display_mode *dm) { LOG(1, ("GET_MODE_LIST: exporting the modelist created before.\n")); memcpy(dm, my_mode_list, si->mode_count * sizeof(display_mode)); return B_OK; } /* Create a list of display_modes to pass back to the caller.*/ status_t create_mode_list(void) { size_t max_size; uint32 i, j, pix_clk_range; const display_mode *src; display_mode *dst, low, high; color_space spaces[4] = {B_RGB32_LITTLE,B_RGB16_LITTLE,B_RGB15_LITTLE,B_CMAP8}; /* figure out how big the list could be, and adjust up to nearest multiple of B_PAGE_SIZE*/ max_size = (((MODE_COUNT * 4) * sizeof(display_mode)) + (B_PAGE_SIZE-1)) & ~(B_PAGE_SIZE-1); /* create an area to hold the info */ si->mode_area = my_mode_list_area = create_area("MGA accelerant mode info", (void **)&my_mode_list, B_ANY_ADDRESS, max_size, B_NO_LOCK, B_READ_AREA | B_WRITE_AREA | B_CLONEABLE_AREA); if (my_mode_list_area < B_OK) return my_mode_list_area; /* walk through our predefined list and see which modes fit this device */ src = mode_list; dst = my_mode_list; si->mode_count = 0; for (i = 0; i < MODE_COUNT; i++) { /* set ranges for acceptable values */ low = high = *src; /* range is 6.25% of default clock: arbitrarily picked */ pix_clk_range = low.timing.pixel_clock >> 5; low.timing.pixel_clock -= pix_clk_range; high.timing.pixel_clock += pix_clk_range; /* 'some cards need wider virtual widths for certain modes': * Not true. They might need a wider pitch, but this is _not_ reflected in * virtual_width, but in fbc.bytes_per_row. */ //So disable next line: //high.virtual_width = 4096; /* do it once for each depth we want to support */ for (j = 0; j < (sizeof(spaces) / sizeof(color_space)); j++) { /* set target values */ *dst = *src; /* poke the specific space */ dst->space = low.space = high.space = spaces[j]; /* ask for a compatible mode */ /* We have to check for B_OK, because otherwise the pix_clk_range * won't be taken into account!! */ //So don't do this: //if (PROPOSE_DISPLAY_MODE(dst, &low, &high) != B_ERROR) { //Instead, do this: if (PROPOSE_DISPLAY_MODE(dst, &low, &high) == B_OK) { /* count it, and move on to next mode */ dst++; si->mode_count++; } } /* advance to next mode */ src++; } return B_OK; }