| | 1 | /* |
| | 2 | * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_LICENSE_HEADER_START@ |
| | 5 | * |
| | 6 | * The contents of this file constitute Original Code as defined in and |
| | 7 | * are subject to the Apple Public Source License Version 1.1 (the |
| | 8 | * "License"). You may not use this file except in compliance with the |
| | 9 | * License. Please obtain a copy of the License at |
| | 10 | * http://www.apple.com/publicsource and read it before using this file. |
| | 11 | * |
| | 12 | * This Original Code and all software distributed under the License are |
| | 13 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| | 14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 16 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the |
| | 17 | * License for the specific language governing rights and limitations |
| | 18 | * under the License. |
| | 19 | * |
| | 20 | * @APPLE_LICENSE_HEADER_END@ |
| | 21 | */ |
| | 22 | /* Copyright (c) 1992, 1993 NeXT Computer, Inc. All rights reserved. |
| | 23 | * |
| | 24 | * IOFrameBufferShared.h - Definitions of objects and types shared between |
| | 25 | * kernel level IOFrameBufferDisplay driver and PostScript level driver. |
| | 26 | * |
| | 27 | * HISTORY |
| | 28 | * 03 Sep 92 Joe Pasqua |
| | 29 | * Created. |
| | 30 | * 24 Jun 93 Derek B Clegg |
| | 31 | * Moved to driverkit. |
| | 32 | */ |
| | 33 | |
| | 34 | #ifndef _IOKIT_IOFRAMEBUFFERSHARED_H |
| | 35 | #define _IOKIT_IOFRAMEBUFFERSHARED_H |
| | 36 | |
| | 37 | #include <IOKit/hidsystem/IOHIDTypes.h> |
| | 38 | #include <IOKit/graphics/IOGraphicsTypes.h> |
| | 39 | |
| | 40 | #ifdef __cplusplus |
| | 41 | extern "C" { |
| | 42 | #endif |
| | 43 | |
| | 44 | #ifdef KERNEL |
| | 45 | // CGS use optional |
| | 46 | #define IOFB_ARBITRARY_SIZE_CURSOR |
| | 47 | #endif |
| | 48 | |
| | 49 | #define IOFB_SUPPORTS_XOR_CURSOR |
| | 50 | |
| | 51 | // |
| | 52 | // Cursor and Window Server state data, occupying a slice of shared memory |
| | 53 | // between the kernel and WindowServer. |
| | 54 | // |
| | 55 | |
| | 56 | enum { |
| | 57 | kIOFBNumCursorFrames = 4, |
| | 58 | kIOFBNumCursorFramesShift = 2, |
| | 59 | kIOFBMaxCursorDepth = 32 |
| | 60 | }; |
| | 61 | |
| | 62 | #ifndef IOFB_ARBITRARY_SIZE_CURSOR |
| | 63 | |
| | 64 | #define CURSORWIDTH 16 /* width in pixels */ |
| | 65 | #define CURSORHEIGHT 16 /* height in pixels */ |
| | 66 | |
| | 67 | struct bm12Cursor { |
| | 68 | unsigned int image[4][16]; |
| | 69 | unsigned int mask[4][16]; |
| | 70 | unsigned int save[16]; |
| | 71 | }; |
| | 72 | |
| | 73 | struct bm18Cursor { |
| | 74 | unsigned char image[4][256]; |
| | 75 | unsigned char mask[4][256]; |
| | 76 | unsigned char save[256]; |
| | 77 | }; |
| | 78 | |
| | 79 | struct bm34Cursor { |
| | 80 | unsigned short image[4][256]; |
| | 81 | unsigned short save[256]; |
| | 82 | }; |
| | 83 | |
| | 84 | struct bm38Cursor { |
| | 85 | unsigned int image[4][256]; |
| | 86 | unsigned int save[256]; |
| | 87 | }; |
| | 88 | |
| | 89 | #endif /* IOFB_ARBITRARY_SIZE_CURSOR */ |
| | 90 | |
| | 91 | struct StdFBShmem_t { |
| | 92 | ev_lock_data_t cursorSema; |
| | 93 | int frame; |
| | 94 | char cursorShow; |
| | 95 | char cursorObscured; |
| | 96 | char shieldFlag; |
| | 97 | char shielded; |
| | 98 | IOGBounds saveRect; |
| | 99 | IOGBounds shieldRect; |
| | 100 | IOGPoint cursorLoc; |
| | 101 | IOGBounds cursorRect; |
| | 102 | IOGBounds oldCursorRect; |
| | 103 | IOGBounds screenBounds; |
| | 104 | int version; |
| | 105 | int structSize; |
| | 106 | AbsoluteTime vblTime; |
| | 107 | AbsoluteTime vblDelta; |
| | 108 | unsigned int reservedC[30]; |
| | 109 | unsigned char hardwareCursorCapable; |
| | 110 | unsigned char hardwareCursorActive; |
| | 111 | unsigned char reservedB[2]; |
| | 112 | IOGSize cursorSize[kIOFBNumCursorFrames]; |
| | 113 | IOGPoint hotSpot[kIOFBNumCursorFrames]; |
| | 114 | #ifndef IOFB_ARBITRARY_SIZE_CURSOR |
| | 115 | union { |
| | 116 | struct bm12Cursor bw; |
| | 117 | struct bm18Cursor bw8; |
| | 118 | struct bm34Cursor rgb; |
| | 119 | struct bm38Cursor rgb24; |
| | 120 | } cursor; |
| | 121 | #else /* IOFB_ARBITRARY_SIZE_CURSOR */ |
| | 122 | unsigned char cursor[0]; |
| | 123 | #endif /* IOFB_ARBITRARY_SIZE_CURSOR */ |
| | 124 | }; |
| | 125 | #ifndef __cplusplus |
| | 126 | typedef volatile struct StdFBShmem_t StdFBShmem_t; |
| | 127 | #endif |
| | 128 | |
| | 129 | |
| | 130 | enum { |
| | 131 | // version for IOFBCreateSharedCursor |
| | 132 | kIOFBCurrentShmemVersion = 2, |
| | 133 | // memory types for IOConnectMapMemory. |
| | 134 | // 0..n are apertures |
| | 135 | kIOFBCursorMemory = 100, |
| | 136 | kIOFBVRAMMemory = 110 |
| | 137 | }; |
| | 138 | |
| | 139 | #define IOFRAMEBUFFER_CONFORMSTO "IOFramebuffer" |
| | 140 | |
| | 141 | #ifdef __cplusplus |
| | 142 | } |
| | 143 | #endif |
| | 144 | |
| | 145 | #endif /* ! _IOKIT_IOFRAMEBUFFERSHARED_H */ |
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