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Annotation of kernel/machdep/i386/vga.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: /*****************************************************************************
        !            26: 
        !            27:     vga.h
        !            28:     Header file for VGA Device Driver
        !            29: 
        !            30: ******************************************************************************/
        !            31: 
        !            32: #import PACKAGE_SPECS
        !            33: #import ENVIRONMENT
        !            34: #import MOUSEKEYBOARD
        !            35: 
        !            36: // VGA mode selection is done here for now.
        !            37: 
        !            38: #define VGA_MODE MODE_VGA_AT_12
        !            39: #define VGA_WIDTH      640     /* Pixels wide (visible pixels) */
        !            40: #define VGA_HEIGHT     480     /* Pixels high (visible scanlines)*/
        !            41: #define VGAFLUSH(bounds) vga_at_mode12_bpp2_to_bpp4(bounds)
        !            42: 
        !            43: #if 0
        !            44: #define VGA_MODE MODE_VGA_TS_29
        !            45: #define VGA_WIDTH      800     /* Pixels wide (visible pixels) */
        !            46: #define VGA_HEIGHT     600     /* Pixels high (visible scanlines)*/
        !            47: #define VGAFLUSH(bounds) vga_ts_mode29_bpp2_to_bpp4(bounds)
        !            48: #endif
        !            49: 
        !            50: #if 0
        !            51: #define VGA_MODE MODE_VGA_TS_37n
        !            52: #define VGA_WIDTH      1024    /* Pixels wide (visible pixels) */
        !            53: #define VGA_HEIGHT     768     /* Pixels high (visible scanlines)*/
        !            54: #define VGAFLUSH(bounds) vga_ts_mode37n_bpp2_to_bpp4(bounds)
        !            55: #endif
        !            56: 
        !            57: #define VGA_ROMID      0       /* Unique ROM id for product (dummy value) */
        !            58: #define VGA_ROWBYTES   (VGA_WIDTH / 4) /* Row bytes to start of next line (not used) */
        !            59: 
        !            60: #define VGA_SAMPLES_PER_CHAN   0       /* LUT entries per channel */
        !            61: 
        !            62: /* Private state information cached in the NXSDevice priv field. */
        !            63: 
        !            64: typedef struct _VGA_PrivInfo_ {
        !            65:     unsigned int *vgaVirtAddr;
        !            66:     uint bytes_per_scanline;
        !            67:     int monitorType;
        !            68: } VGA_PrivInfo;
        !            69: #define SHMEMPTR(device)  ((VGAShmem_t *)device->shmemPtr)
        !            70: #define VGASETSEMA(device)     (ev_lock(&(SHMEMPTR(device)->cursorSema)))
        !            71: #define VGACLEARSEMA(device)   (ev_unlock(&(SHMEMPTR(device)->cursorSema)))
        !            72: #define VGAPRIVDRIVER(driver)  ((VGA_PrivInfo *)(driver->priv))
        !            73: #define VGAPRIVDEVICE(device)  ((VGA_PrivInfo *)(device->driver->priv))
        !            74: 
        !            75: /* structure for registering graphics package drivers */
        !            76: 
        !            77: typedef struct package_init_t {
        !            78:     struct package_init_t *next;
        !            79:     int package_id;
        !            80:     void *(*func)(NXDevice *dev, int package_id, void *data);
        !            81: } package_init_t;
        !            82: 
        !            83: 
        !            84: /*****************************************************************************
        !            85:        Forward Declarations (ANSI C Prototypes)
        !            86: ******************************************************************************/
        !            87: 
        !            88: /**** vga ****/
        !            89: 
        !            90: extern int  VGAStart(NXDriver *);
        !            91: extern void VGAInitScreen(NXDevice *);
        !            92: extern void VGARegisterScreen(NXDevice *device);
        !            93: 
        !            94: /**** vgacursor ****/
        !            95: 
        !            96: extern void VGASetCursor(NXDevice *d, LocalBitmap *lbm, Point hotSpot,
        !            97:            int frame, int *waitCursorFlag);
        !            98: extern void VGADisplayCursor2(NXDevice *);
        !            99: extern void VGARemoveCursor2(NXDevice *);
        !           100: extern void VGAHideCursor(NXDevice *device);
        !           101: extern void VGAShowCursor(NXDevice *device);
        !           102: extern void VGARevealCursor(NXDevice *device);
        !           103: extern void VGAObscureCursor(NXDevice *device);
        !           104: extern void VGAShieldCursor(NXDevice *device, Bounds *shieldRect);
        !           105: extern void VGAUnshieldCursor(NXDevice *device);
        !           106: 
        !           107: /**** generic ****/
        !           108: 
        !           109: extern void VGAGenDrvComposite(CompositeOperation *cop, Bounds *dstBounds);
        !           110: extern void VGAGenDrvFreeWindow(NXBag *bag, int termflag);
        !           111: extern void VGAGenDrvMark(NXBag *bag, int channel, MarkRec *mrec, Bounds *markBds,
        !           112:                       Bounds *bpBds);
        !           113: extern void VGAGenDrvMoveWindow(NXBag *bag, short dx, short dy, Bounds *old,
        !           114:                             Bounds *new);
        !           115: extern void VGAGenDrvNewAlpha(NXBag *bag);
        !           116: extern void VGAGenDrvNewWindow(NXBag *bag, Bounds *bounds, int windowType,
        !           117:                            int depth, int local);
        !           118: extern void VGAGenDrvPromoteWindow(NXBag *bag, Bounds *bounds, int newDepth,
        !           119:                                int windowType, DevPoint phase);
        !           120: extern int VGAGenDrvWindowSize(NXBag *bag);
        !           121: 
        !           122: 
        !           123: 
        !           124: /*****************************************************************************
        !           125:        Globals
        !           126: ******************************************************************************/

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