1 /* 2 * Copyright 2005-2006, Axel Dörfler, axeld@pinc-software.de. All rights reserved. 3 * Distributed under the terms of the MIT License. 4 */ 5 6 #include <string.h> 7 8 #include "accelerant_protos.h" 9 #include "accelerant.h" 10 #include "utility.h" 11 12 13 //#define TRACE_MODE 14 #ifdef TRACE_MODE 15 extern "C" void _sPrintf(const char *format, ...); 16 # define TRACE(x) _sPrintf x 17 #else 18 # define TRACE(x) ; 19 #endif 20 21 22 #define T_POSITIVE_SYNC (B_POSITIVE_HSYNC | B_POSITIVE_VSYNC) 23 #define MODE_FLAGS (B_8_BIT_DAC | B_HARDWARE_CURSOR | B_PARALLEL_ACCESS | B_DPMS /*| B_SUPPORTS_OVERLAYS*/) 24 25 static const display_mode kBaseModeList[] = { 26 { { 25175, 640, 656, 752, 800, 350, 387, 389, 449, B_POSITIVE_HSYNC}, B_CMAP8, 640, 350, 0, 0, MODE_FLAGS}, /* 640x350 - www.epanorama.net/documents/pc/vga_timing.html) */ 27 { { 25175, 640, 656, 752, 800, 400, 412, 414, 449, B_POSITIVE_VSYNC}, B_CMAP8, 640, 400, 0, 0, MODE_FLAGS}, /* 640x400 - www.epanorama.net/documents/pc/vga_timing.html) */ 28 { { 25175, 640, 656, 752, 800, 480, 490, 492, 525, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(640X480X8.Z1) */ 29 { { 27500, 640, 672, 768, 864, 480, 488, 494, 530, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* 640X480X60Hz */ 30 { { 30500, 640, 672, 768, 864, 480, 517, 523, 588, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* SVGA_640X480X60HzNI */ 31 { { 31500, 640, 664, 704, 832, 480, 489, 492, 520, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@70-72Hz_(640X480X8.Z1) */ 32 { { 31500, 640, 656, 720, 840, 480, 481, 484, 500, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@75Hz_(640X480X8.Z1) */ 33 { { 36000, 640, 696, 752, 832, 480, 481, 484, 509, 0}, B_CMAP8, 640, 480, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@85Hz_(640X480X8.Z1) */ 34 { { 38100, 800, 832, 960, 1088, 600, 602, 606, 620, 0}, B_CMAP8, 800, 600, 0, 0, MODE_FLAGS}, /* SVGA_800X600X56HzNI */ 35 { { 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) */ 36 { { 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) */ 37 { { 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) */ 38 { { 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) */ 39 { { 65000, 1024, 1048, 1184, 1344, 768, 771, 777, 806, 0}, B_CMAP8, 1024, 768, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1024X768X8.Z1) */ 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) */ 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) */ 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) */ 43 { { 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) */ 44 { { 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) */ 45 { { 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) */ 46 { { 108000, 1280, 1328, 1440, 1688, 1024, 1025, 1028, 1066, T_POSITIVE_SYNC}, B_CMAP8, 1280, 1024, 0, 0, MODE_FLAGS}, /* Vesa_Monitor_@60Hz_(1280X1024X8.Z1) */ 47 { { 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) */ 48 { { 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) */ 49 { { 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) */ 50 { { 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) */ 51 { { 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) */ 52 { { 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) */ 53 { { 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) */ 54 { { 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) */ 55 }; 56 static const uint32 kNumBaseModes = sizeof(kBaseModeList) / sizeof(display_mode); 57 static const uint32 kMaxNumModes = kNumBaseModes * 4; 58 59 60 /** Creates the initial mode list of the primary accelerant. 61 * It's called from vesa_init_accelerant(). 62 */ 63 64 status_t 65 create_mode_list(void) 66 { 67 // ToDo: basically, the boot loader should pass a list of all supported 68 // VESA modes to us. 69 color_space spaces[4] = {B_RGB32_LITTLE, B_RGB16_LITTLE, B_RGB15_LITTLE, B_CMAP8}; 70 size_t size = ROUND_TO_PAGE_SIZE(kMaxNumModes * sizeof(display_mode)); 71 display_mode *list; 72 73 gInfo->mode_list_area = create_area("vesa modes", (void **)&list, B_ANY_ADDRESS, 74 size, B_NO_LOCK, B_READ_AREA | B_WRITE_AREA); 75 if (gInfo->mode_list_area < B_OK) 76 return gInfo->mode_list_area; 77 78 // for now, just copy all of the modes with different color spaces 79 80 const display_mode *source = kBaseModeList; 81 uint32 count = 0; 82 83 for (uint32 i = 0; i < kNumBaseModes; i++) { 84 for (uint32 j = 0; j < (sizeof(spaces) / sizeof(color_space)); j++) { 85 list[count] = *source; 86 list[count].space = spaces[j]; 87 88 count++; 89 } 90 91 source++; 92 } 93 94 gInfo->mode_list = list; 95 gInfo->shared_info->mode_list_area = gInfo->mode_list_area; 96 gInfo->shared_info->mode_count = count; 97 98 return B_OK; 99 } 100 101 102 // #pragma mark - 103 104 105 uint32 106 vesa_accelerant_mode_count(void) 107 { 108 TRACE(("vesa_accelerant_mode_count()\n")); 109 return gInfo->shared_info->mode_count; 110 } 111 112 113 status_t 114 vesa_get_mode_list(display_mode *modeList) 115 { 116 TRACE(("vesa_get_mode_info()\n")); 117 memcpy(modeList, gInfo->mode_list, gInfo->shared_info->mode_count * sizeof(display_mode)); 118 return B_OK; 119 } 120 121 122 status_t 123 vesa_propose_display_mode(display_mode *target, const display_mode *low, 124 const display_mode *high) 125 { 126 TRACE(("vesa_propose_display_mode()\n")); 127 128 // just search for the specified mode in the list 129 130 for (uint32 i = 0; i < gInfo->shared_info->mode_count; i++) { 131 display_mode *current = &gInfo->mode_list[i]; 132 133 if (target->virtual_width != current->virtual_width 134 || target->virtual_height != current->virtual_height 135 || target->space != current->space) 136 continue; 137 138 *target = *current; 139 return B_OK; 140 } 141 return B_BAD_VALUE; 142 } 143 144 145 status_t 146 vesa_set_display_mode(display_mode *_mode) 147 { 148 TRACE(("vesa_set_display_mode()\n")); 149 150 display_mode mode = *_mode; 151 if (vesa_propose_display_mode(&mode, &mode, &mode) != B_OK) 152 return B_BAD_VALUE; 153 154 // ToDo: unless we have a VBE3 device, we can't change the display mode 155 return B_UNSUPPORTED; 156 #if 0 157 gInfo->shared_info->current_mode = mode; 158 159 switch (mode.space) { 160 case B_RGB32_LITTLE: 161 gInfo->shared_info->bytes_per_row = mode.virtual_width * 4; 162 break; 163 case B_RGB16_LITTLE: 164 case B_RGB15_LITTLE: 165 gInfo->shared_info->bytes_per_row = mode.virtual_width * 2; 166 break; 167 case B_CMAP8: 168 gInfo->shared_info->bytes_per_row = mode.virtual_width; 169 break; 170 } 171 return B_OK; 172 #endif 173 } 174 175 176 status_t 177 vesa_get_display_mode(display_mode *_currentMode) 178 { 179 TRACE(("vesa_get_display_mode()\n")); 180 *_currentMode = gInfo->shared_info->current_mode; 181 return B_OK; 182 } 183 184 185 status_t 186 vesa_get_frame_buffer_config(frame_buffer_config *config) 187 { 188 TRACE(("vesa_get_frame_buffer_config()\n")); 189 190 config->frame_buffer = gInfo->shared_info->frame_buffer; 191 config->frame_buffer_dma = gInfo->shared_info->physical_frame_buffer; 192 config->bytes_per_row = gInfo->shared_info->bytes_per_row; 193 194 return B_OK; 195 } 196 197 198 status_t 199 vesa_get_pixel_clock_limits(display_mode *mode, uint32 *low, uint32 *high) 200 { 201 TRACE(("vesa_get_pixel_clock_limits()\n")); 202 203 // ToDo: do some real stuff here (taken from radeon driver) 204 uint32 total_pix = (uint32)mode->timing.h_total * (uint32)mode->timing.v_total; 205 uint32 clock_limit = 2000000; 206 207 /* lower limit of about 48Hz vertical refresh */ 208 *low = (total_pix * 48L) / 1000L; 209 if (*low > clock_limit) 210 return B_ERROR; 211 212 *high = clock_limit; 213 return B_OK; 214 } 215 216 217 status_t 218 vesa_move_display(uint16 h_display_start, uint16 v_display_start) 219 { 220 TRACE(("vesa_move_display()\n")); 221 return B_ERROR; 222 } 223 224 225 status_t 226 vesa_get_timing_constraints(display_timing_constraints *dtc) 227 { 228 TRACE(("vesa_get_timing_constraints()\n")); 229 return B_ERROR; 230 } 231 232 233 void 234 vesa_set_indexed_colors(uint count, uint8 first, uint8 *colors, uint32 flags) 235 { 236 TRACE(("vesa_set_indexed_colors()\n")); 237 vga_set_indexed_colors_args args; 238 args.first = first; 239 args.count = count; 240 args.colors = colors; 241 ioctl(gInfo->device, VGA_SET_INDEXED_COLORS, &args, sizeof(args)); 242 } 243 244