1 /** @file 2 Simple Text Out protocol from the UEFI 2.0 specification. 3 4 Abstraction of a very simple text based output device like VGA text mode or 5 a serial terminal. The Simple Text Out protocol instance can represent 6 a single hardware device or a virtual device that is an agregation 7 of multiple physical devices. 8 9 Copyright (c) 2006 - 2008, Intel Corporation 10 All rights reserved. This program and the accompanying materials 11 are licensed and made available under the terms and conditions of the BSD License 12 which accompanies this distribution. The full text of the license may be found at 13 http://opensource.org/licenses/bsd-license.php 14 15 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 16 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 17 18 **/ 19 20 #ifndef __SIMPLE_TEXT_OUT_H__ 21 #define __SIMPLE_TEXT_OUT_H__ 22 23 #define EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID \ 24 { \ 25 0x387477c2, 0x69c7, 0x11d2, {0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b } \ 26 } 27 28 /// 29 /// Protocol GUID defined in EFI1.1. 30 /// 31 #define SIMPLE_TEXT_OUTPUT_PROTOCOL EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID 32 33 typedef struct _EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL; 34 35 /// 36 /// Backward-compatible with EFI1.1. 37 /// 38 typedef EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL SIMPLE_TEXT_OUTPUT_INTERFACE; 39 40 // 41 // Define's for required EFI Unicode Box Draw characters 42 // 43 #define BOXDRAW_HORIZONTAL 0x2500 44 #define BOXDRAW_VERTICAL 0x2502 45 #define BOXDRAW_DOWN_RIGHT 0x250c 46 #define BOXDRAW_DOWN_LEFT 0x2510 47 #define BOXDRAW_UP_RIGHT 0x2514 48 #define BOXDRAW_UP_LEFT 0x2518 49 #define BOXDRAW_VERTICAL_RIGHT 0x251c 50 #define BOXDRAW_VERTICAL_LEFT 0x2524 51 #define BOXDRAW_DOWN_HORIZONTAL 0x252c 52 #define BOXDRAW_UP_HORIZONTAL 0x2534 53 #define BOXDRAW_VERTICAL_HORIZONTAL 0x253c 54 #define BOXDRAW_DOUBLE_HORIZONTAL 0x2550 55 #define BOXDRAW_DOUBLE_VERTICAL 0x2551 56 #define BOXDRAW_DOWN_RIGHT_DOUBLE 0x2552 57 #define BOXDRAW_DOWN_DOUBLE_RIGHT 0x2553 58 #define BOXDRAW_DOUBLE_DOWN_RIGHT 0x2554 59 #define BOXDRAW_DOWN_LEFT_DOUBLE 0x2555 60 #define BOXDRAW_DOWN_DOUBLE_LEFT 0x2556 61 #define BOXDRAW_DOUBLE_DOWN_LEFT 0x2557 62 #define BOXDRAW_UP_RIGHT_DOUBLE 0x2558 63 #define BOXDRAW_UP_DOUBLE_RIGHT 0x2559 64 #define BOXDRAW_DOUBLE_UP_RIGHT 0x255a 65 #define BOXDRAW_UP_LEFT_DOUBLE 0x255b 66 #define BOXDRAW_UP_DOUBLE_LEFT 0x255c 67 #define BOXDRAW_DOUBLE_UP_LEFT 0x255d 68 #define BOXDRAW_VERTICAL_RIGHT_DOUBLE 0x255e 69 #define BOXDRAW_VERTICAL_DOUBLE_RIGHT 0x255f 70 #define BOXDRAW_DOUBLE_VERTICAL_RIGHT 0x2560 71 #define BOXDRAW_VERTICAL_LEFT_DOUBLE 0x2561 72 #define BOXDRAW_VERTICAL_DOUBLE_LEFT 0x2562 73 #define BOXDRAW_DOUBLE_VERTICAL_LEFT 0x2563 74 #define BOXDRAW_DOWN_HORIZONTAL_DOUBLE 0x2564 75 #define BOXDRAW_DOWN_DOUBLE_HORIZONTAL 0x2565 76 #define BOXDRAW_DOUBLE_DOWN_HORIZONTAL 0x2566 77 #define BOXDRAW_UP_HORIZONTAL_DOUBLE 0x2567 78 #define BOXDRAW_UP_DOUBLE_HORIZONTAL 0x2568 79 #define BOXDRAW_DOUBLE_UP_HORIZONTAL 0x2569 80 #define BOXDRAW_VERTICAL_HORIZONTAL_DOUBLE 0x256a 81 #define BOXDRAW_VERTICAL_DOUBLE_HORIZONTAL 0x256b 82 #define BOXDRAW_DOUBLE_VERTICAL_HORIZONTAL 0x256c 83 84 // 85 // EFI Required Block Elements Code Chart 86 // 87 #define BLOCKELEMENT_FULL_BLOCK 0x2588 88 #define BLOCKELEMENT_LIGHT_SHADE 0x2591 89 90 // 91 // EFI Required Geometric Shapes Code Chart 92 // 93 #define GEOMETRICSHAPE_UP_TRIANGLE 0x25b2 94 #define GEOMETRICSHAPE_RIGHT_TRIANGLE 0x25ba 95 #define GEOMETRICSHAPE_DOWN_TRIANGLE 0x25bc 96 #define GEOMETRICSHAPE_LEFT_TRIANGLE 0x25c4 97 98 // 99 // EFI Required Arrow shapes 100 // 101 #define ARROW_LEFT 0x2190 102 #define ARROW_UP 0x2191 103 #define ARROW_RIGHT 0x2192 104 #define ARROW_DOWN 0x2193 105 106 // 107 // EFI Console Colours 108 // 109 #define EFI_BLACK 0x00 110 #define EFI_BLUE 0x01 111 #define EFI_GREEN 0x02 112 #define EFI_CYAN (EFI_BLUE | EFI_GREEN) 113 #define EFI_RED 0x04 114 #define EFI_MAGENTA (EFI_BLUE | EFI_RED) 115 #define EFI_BROWN (EFI_GREEN | EFI_RED) 116 #define EFI_LIGHTGRAY (EFI_BLUE | EFI_GREEN | EFI_RED) 117 #define EFI_BRIGHT 0x08 118 #define EFI_DARKGRAY (EFI_BRIGHT) 119 #define EFI_LIGHTBLUE (EFI_BLUE | EFI_BRIGHT) 120 #define EFI_LIGHTGREEN (EFI_GREEN | EFI_BRIGHT) 121 #define EFI_LIGHTCYAN (EFI_CYAN | EFI_BRIGHT) 122 #define EFI_LIGHTRED (EFI_RED | EFI_BRIGHT) 123 #define EFI_LIGHTMAGENTA (EFI_MAGENTA | EFI_BRIGHT) 124 #define EFI_YELLOW (EFI_BROWN | EFI_BRIGHT) 125 #define EFI_WHITE (EFI_BLUE | EFI_GREEN | EFI_RED | EFI_BRIGHT) 126 127 #define EFI_TEXT_ATTR(f, b) ((f) | ((b) << 4)) 128 129 #define EFI_BACKGROUND_BLACK 0x00 130 #define EFI_BACKGROUND_BLUE 0x10 131 #define EFI_BACKGROUND_GREEN 0x20 132 #define EFI_BACKGROUND_CYAN (EFI_BACKGROUND_BLUE | EFI_BACKGROUND_GREEN) 133 #define EFI_BACKGROUND_RED 0x40 134 #define EFI_BACKGROUND_MAGENTA (EFI_BACKGROUND_BLUE | EFI_BACKGROUND_RED) 135 #define EFI_BACKGROUND_BROWN (EFI_BACKGROUND_GREEN | EFI_BACKGROUND_RED) 136 #define EFI_BACKGROUND_LIGHTGRAY (EFI_BACKGROUND_BLUE | EFI_BACKGROUND_GREEN | EFI_BACKGROUND_RED) 137 138 // 139 // We currently define attributes from 0 - 7F for color manipulations 140 // To internally handle the local display characteristics for a particular character, we are defining 141 // Bit 7 to signify the local glyph representation for a character. If turned on, glyphs will be 142 // pulled from the wide glyph database and will display locally as a wide character (16 X 19 versus 8 X 19) 143 // If bit 7 is off, the narrow glyph database will be used. This does NOT affect information that is sent to 144 // non-local displays (e.g. serial or LAN consoles). 145 // 146 #define EFI_WIDE_ATTRIBUTE 0x80 147 148 /** 149 Reset the text output device hardware and optionaly run diagnostics 150 151 @param This Protocol instance pointer. 152 @param ExtendedVerification Driver may perform more exhaustive verfication 153 operation of the device during reset. 154 155 @retval EFI_SUCCESS The text output device was reset. 156 @retval EFI_DEVICE_ERROR The text output device is not functioning correctly and 157 could not be reset. 158 159 **/ 160 typedef 161 EFI_STATUS 162 (EFIAPI *EFI_TEXT_RESET)( 163 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This, 164 IN BOOLEAN ExtendedVerification 165 ); 166 167 /** 168 Write a Unicode string to the output device. 169 170 @param This Protocol instance pointer. 171 @param String The NULL-terminated Unicode string to be displayed on the output 172 device(s). All output devices must also support the Unicode 173 drawing defined in this file. 174 175 @retval EFI_SUCCESS The string was output to the device. 176 @retval EFI_DEVICE_ERROR The device reported an error while attempting to output 177 the text. 178 @retval EFI_UNSUPPORTED The output device's mode is not currently in a 179 defined text mode. 180 @retval EFI_WARN_UNKNOWN_GLYPH This warning code indicates that some of the 181 characters in the Unicode string could not be 182 rendered and were skipped. 183 184 **/ 185 typedef 186 EFI_STATUS 187 (EFIAPI *EFI_TEXT_STRING)( 188 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This, 189 IN CHAR16 *String 190 ); 191 192 /** 193 Verifies that all characters in a Unicode string can be output to the 194 target device. 195 196 @param This Protocol instance pointer. 197 @param String The NULL-terminated Unicode string to be examined for the output 198 device(s). 199 200 @retval EFI_SUCCESS The device(s) are capable of rendering the output string. 201 @retval EFI_UNSUPPORTED Some of the characters in the Unicode string cannot be 202 rendered by one or more of the output devices mapped 203 by the EFI handle. 204 205 **/ 206 typedef 207 EFI_STATUS 208 (EFIAPI *EFI_TEXT_TEST_STRING)( 209 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This, 210 IN CHAR16 *String 211 ); 212 213 /** 214 Returns information for an available text mode that the output device(s) 215 supports. 216 217 @param This Protocol instance pointer. 218 @param ModeNumber The mode number to return information on. 219 @param Columns Returns the geometry of the text output device for the 220 requested ModeNumber. 221 @param Rows Returns the geometry of the text output device for the 222 requested ModeNumber. 223 224 @retval EFI_SUCCESS The requested mode information was returned. 225 @retval EFI_DEVICE_ERROR The device had an error and could not complete the request. 226 @retval EFI_UNSUPPORTED The mode number was not valid. 227 228 **/ 229 typedef 230 EFI_STATUS 231 (EFIAPI *EFI_TEXT_QUERY_MODE)( 232 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This, 233 IN UINTN ModeNumber, 234 OUT UINTN *Columns, 235 OUT UINTN *Rows 236 ); 237 238 /** 239 Sets the output device(s) to a specified mode. 240 241 @param This Protocol instance pointer. 242 @param ModeNumber The mode number to set. 243 244 @retval EFI_SUCCESS The requested text mode was set. 245 @retval EFI_DEVICE_ERROR The device had an error and could not complete the request. 246 @retval EFI_UNSUPPORTED The mode number was not valid. 247 248 **/ 249 typedef 250 EFI_STATUS 251 (EFIAPI *EFI_TEXT_SET_MODE)( 252 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This, 253 IN UINTN ModeNumber 254 ); 255 256 /** 257 Sets the background and foreground colors for the OutputString () and 258 ClearScreen () functions. 259 260 @param This Protocol instance pointer. 261 @param Attribute The attribute to set. Bits 0..3 are the foreground color, and 262 bits 4..6 are the background color. All other bits are undefined 263 and must be zero. The valid Attributes are defined in this file. 264 265 @retval EFI_SUCCESS The attribute was set. 266 @retval EFI_DEVICE_ ERROR The device had an error and could not complete the request. 267 @retval EFI_UNSUPPORTED The attribute requested is not defined. 268 269 **/ 270 typedef 271 EFI_STATUS 272 (EFIAPI *EFI_TEXT_SET_ATTRIBUTE)( 273 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This, 274 IN UINTN Attribute 275 ); 276 277 /** 278 Clears the output device(s) display to the currently selected background 279 color. 280 281 @param This Protocol instance pointer. 282 283 @retval EFI_SUCCESS The operation completed successfully. 284 @retval EFI_DEVICE_ERROR The device had an error and could not complete the request. 285 @retval EFI_UNSUPPORTED The output device is not in a valid text mode. 286 287 **/ 288 typedef 289 EFI_STATUS 290 (EFIAPI *EFI_TEXT_CLEAR_SCREEN)( 291 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This 292 ); 293 294 /** 295 Sets the current coordinates of the cursor position 296 297 @param This Protocol instance pointer. 298 @param Column The position to set the cursor to. Must be greater than or 299 equal to zero and less than the number of columns and rows 300 by QueryMode (). 301 @param Row The position to set the cursor to. Must be greater than or 302 equal to zero and less than the number of columns and rows 303 by QueryMode (). 304 305 @retval EFI_SUCCESS The operation completed successfully. 306 @retval EFI_DEVICE_ERROR The device had an error and could not complete the request. 307 @retval EFI_UNSUPPORTED The output device is not in a valid text mode, or the 308 cursor position is invalid for the current mode. 309 310 **/ 311 typedef 312 EFI_STATUS 313 (EFIAPI *EFI_TEXT_SET_CURSOR_POSITION)( 314 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This, 315 IN UINTN Column, 316 IN UINTN Row 317 ); 318 319 /** 320 Makes the cursor visible or invisible 321 322 @param This Protocol instance pointer. 323 @param Visible If TRUE, the cursor is set to be visible. If FALSE, the cursor is 324 set to be invisible. 325 326 @retval EFI_SUCCESS The operation completed successfully. 327 @retval EFI_DEVICE_ERROR The device had an error and could not complete the 328 request, or the device does not support changing 329 the cursor mode. 330 @retval EFI_UNSUPPORTED The output device is not in a valid text mode. 331 332 **/ 333 typedef 334 EFI_STATUS 335 (EFIAPI *EFI_TEXT_ENABLE_CURSOR)( 336 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This, 337 IN BOOLEAN Visible 338 ); 339 340 /** 341 @par Data Structure Description: 342 Mode Structure pointed to by Simple Text Out protocol. 343 344 @param MaxMode 345 The number of modes supported by QueryMode () and SetMode (). 346 347 @param Mode 348 The text mode of the output device(s). 349 350 @param Attribute 351 The current character output attribute 352 353 @param CursorColumn 354 The cursor's column. 355 356 @param CursorRow 357 The cursor's row. 358 359 @param CursorVisible 360 The cursor is currently visbile or not. 361 362 **/ 363 typedef struct { 364 INT32 MaxMode; 365 366 // 367 // current settings 368 // 369 INT32 Mode; 370 INT32 Attribute; 371 INT32 CursorColumn; 372 INT32 CursorRow; 373 BOOLEAN CursorVisible; 374 } EFI_SIMPLE_TEXT_OUTPUT_MODE; 375 376 /// 377 /// The SIMPLE_TEXT_OUTPUT protocol is used to control text-based output devices. 378 /// It is the minimum required protocol for any handle supplied as the ConsoleOut 379 /// or StandardError device. In addition, the minimum supported text mode of such 380 /// devices is at least 80 x 25 characters. 381 /// 382 struct _EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL { 383 EFI_TEXT_RESET Reset; 384 385 EFI_TEXT_STRING OutputString; 386 EFI_TEXT_TEST_STRING TestString; 387 388 EFI_TEXT_QUERY_MODE QueryMode; 389 EFI_TEXT_SET_MODE SetMode; 390 EFI_TEXT_SET_ATTRIBUTE SetAttribute; 391 392 EFI_TEXT_CLEAR_SCREEN ClearScreen; 393 EFI_TEXT_SET_CURSOR_POSITION SetCursorPosition; 394 EFI_TEXT_ENABLE_CURSOR EnableCursor; 395 396 /// 397 /// Pointer to SIMPLE_TEXT_OUTPUT_MODE data. 398 /// 399 EFI_SIMPLE_TEXT_OUTPUT_MODE *Mode; 400 }; 401 402 extern EFI_GUID gEfiSimpleTextOutProtocolGuid; 403 404 #endif 405