1 /* -*-C++-*- $NetBSD: framebuffer.cpp,v 1.6 2001/03/25 17:14:04 uch Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by UCHIYAMA Yasushi. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <hpcmenu.h> 40 #include <machine/bootinfo.h> 41 #include <machine/platid.h> 42 #include <machine/platid_mask.h> 43 44 #include <framebuffer.h> 45 46 // 47 // framebuffer configuration table can be found in machine_config.cpp 48 // 49 50 FrameBufferInfo::FrameBufferInfo(u_int32_t cpu, u_int32_t machine) 51 { 52 struct framebuffer_info *tab = _table; 53 platid_mask_t target, entry; 54 55 target.dw.dw0 = cpu; 56 target.dw.dw1 = machine; 57 // search apriori setting if any. 58 for (; tab->cpu; tab++) { 59 entry.dw.dw0 = tab->cpu; 60 entry.dw.dw1 = tab->machine; 61 if (platid_match(&target, &entry)) { 62 _fb = tab; 63 return; 64 } 65 } 66 67 // fill default setting. 68 memset(&_default, 0, sizeof(struct framebuffer_info)); 69 70 _default.cpu = cpu; 71 _default.machine = machine; 72 HDC hdc = GetDC(0); 73 _default.bpp = GetDeviceCaps(hdc, BITSPIXEL); 74 _default.width = GetDeviceCaps(hdc, HORZRES); 75 _default.height = GetDeviceCaps(hdc, VERTRES); 76 ReleaseDC(0, hdc); 77 _fb = &_default; 78 } 79 80 FrameBufferInfo::~FrameBufferInfo() 81 { 82 /* NO-OP */ 83 } 84 85 int 86 FrameBufferInfo::type() 87 { 88 HpcMenuInterface &menu = HpcMenuInterface::Instance(); 89 BOOL reverse = menu._pref.reverse_video; 90 int type; 91 92 switch(_fb->bpp) { 93 default: 94 // FALLTHROUGH 95 case 2: 96 type = reverse ? BIFB_D2_M2L_3 : BIFB_D2_M2L_0; 97 break; 98 case 4: 99 type = reverse ? BIFB_D4_M2L_F : BIFB_D4_M2L_0; 100 break; 101 case 8: 102 type = reverse ? BIFB_D8_FF : BIFB_D8_00; 103 break; 104 case 16: 105 type = reverse ? BIFB_D16_FFFF : BIFB_D16_0000; 106 break; 107 } 108 109 return type; 110 } 111