1 /* Copyright (c) 2013 The Chromium OS Authors. All rights reserved. 2 * Use of this source code is governed by a BSD-style license that can be 3 * found in the LICENSE file. 4 * 5 * Display functions used in kernel selection. 6 */ 7 8 #ifndef VBOOT_REFERENCE_VBOOT_DISPLAY_H_ 9 #define VBOOT_REFERENCE_VBOOT_DISPLAY_H_ 10 11 #include "bmpblk_font.h" 12 #include "vboot_api.h" 13 #include "vboot_nvstorage.h" 14 15 VbError_t VbDisplayScreenFromGBB(VbCommonParams *cparams, uint32_t screen, 16 VbNvContext *vncptr); 17 VbError_t VbDisplayScreen(VbCommonParams *cparams, uint32_t screen, int force, 18 VbNvContext *vncptr); 19 VbError_t VbDisplayDebugInfo(VbCommonParams *cparams, VbNvContext *vncptr); 20 VbError_t VbCheckDisplayKey(VbCommonParams *cparams, uint32_t key, 21 VbNvContext *vncptr); 22 23 /* Internal functions, for unit testing */ 24 25 typedef FontArrayHeader VbFont_t; 26 27 VbFont_t *VbInternalizeFontData(FontArrayHeader *fonthdr); 28 29 void VbDoneWithFontForNow(VbFont_t *ptr); 30 31 ImageInfo *VbFindFontGlyph(VbFont_t *font, uint32_t ascii, 32 void **bufferptr, uint32_t *buffersize); 33 34 /** 35 * Try to display the specified text at a particular position. 36 */ 37 void VbRenderTextAtPos(const char *text, int right_to_left, 38 uint32_t x, uint32_t y, VbFont_t *font); 39 40 /** 41 * Return a description of the recovery reason code. 42 */ 43 const char *RecoveryReasonString(uint8_t code); 44 45 /** 46 * Get the number of localizations in the GBB bitmap data. 47 */ 48 VbError_t VbGetLocalizationCount(VbCommonParams *cparams, uint32_t *count); 49 50 #endif /* VBOOT_REFERENCE_VBOOT_DISPLAY_H_ */ 51 52