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Annotation of sys/arch/alpha/include/sfbreg.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: sfbreg.h,v 1.4 2003/10/18 20:14:42 jmc Exp $  */
        !             2: /*     $NetBSD: sfbreg.h,v 1.1 1996/05/01 21:15:46 cgd Exp $   */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1996 Carnegie-Mellon University.
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * Author: Chris G. Demetriou
        !             9:  *
        !            10:  * Permission to use, copy, modify and distribute this software and
        !            11:  * its documentation is hereby granted, provided that both the copyright
        !            12:  * notice and this permission notice appear in all copies of the
        !            13:  * software, derivative works or modified versions, and any portions
        !            14:  * thereof, and that both notices appear in supporting documentation.
        !            15:  *
        !            16:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
        !            17:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
        !            18:  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            19:  *
        !            20:  * Carnegie Mellon requests users of this software to return to
        !            21:  *
        !            22:  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
        !            23:  *  School of Computer Science
        !            24:  *  Carnegie Mellon University
        !            25:  *  Pittsburgh PA 15213-3890
        !            26:  *
        !            27:  * any improvements or extensions that they make and grant Carnegie the
        !            28:  * rights to redistribute these changes.
        !            29:  */
        !            30:
        !            31: /*
        !            32:  * Smart ("CXTurbo") Frame Buffer definitions, from:
        !            33:  * "DEC 3000 300/400/500/600/700/800/900 AXP Models System Programmer's Manual"
        !            34:  * (DEC order number EK-D3SYS-PM), section 6.
        !            35:  *
        !            36:  * All definitions are in "dense" TurboChannel space.
        !            37:  */
        !            38:
        !            39: /*
        !            40:  * Size of the SFB address space.
        !            41:  */
        !            42: #define        SFB_SIZE                0x1000000
        !            43:
        !            44: /*
        !            45:  * Offsets into slot space of each functional unit.
        !            46:  */
        !            47: #define        SFB_ASIC_OFFSET         0x0100000       /* SFB ASIC Control Registers */
        !            48: #define        SFB_ASIC_SIZE           0x0020000
        !            49: #define        SFB_RAMDAC_OFFSET       0x01c0000       /* Bt495 RAMDAC Registers */
        !            50: #define        SFB_RAMDAC_SIZE         0x0040000
        !            51: #define        SFB_FB_OFFSET           0x0200000       /* Frame buffer */
        !            52: #define        SFB_FB_SIZE             0x0200000
        !            53: #define        SFB_OSBM_OFFSET         0x0600000       /* Off-screen buffer memory */
        !            54: #define        SFB_OSBM_SIZE           0x0200000
        !            55:
        !            56: /*
        !            57:  * SFB ASIC registers (offsets from SFB_ASIC_OFFSET).
        !            58:  */
        !            59: #define        SFB_ASIC_COPYBUF_0      0x0000  /* Copy buffer register 0 (R/W) */
        !            60: #define        SFB_ASIC_COPYBUF_1      0x0004  /* Copy buffer register 1 (R/W) */
        !            61: #define        SFB_ASIC_COPYBUF_2      0x0008  /* Copy buffer register 2 (R/W) */
        !            62: #define        SFB_ASIC_COPYBUF_3      0x000c  /* Copy buffer register 3 (R/W) */
        !            63: #define        SFB_ASIC_COPYBUF_4      0x0010  /* Copy buffer register 4 (R/W) */
        !            64: #define        SFB_ASIC_COPYBUF_5      0x0014  /* Copy buffer register 5 (R/W) */
        !            65: #define        SFB_ASIC_COPYBUF_6      0x0018  /* Copy buffer register 6 (R/W) */
        !            66: #define        SFB_ASIC_COPYBUF_7      0x001c  /* Copy buffer register 7 (R/W) */
        !            67: #define        SFB_ASIC_FG             0x0020  /* Foreground (R/W) */
        !            68: #define        SFB_ASIC_BG             0x0024  /* Background (R/W) */
        !            69: #define        SFB_ASIC_PLANEMASK      0x0028  /* PlaneMask (R/W) */
        !            70: #define        SFB_ASIC_PIXELMASK      0x002c  /* PixelMask (R/W) */
        !            71: #define        SFB_ASIC_MODE           0x0030  /* Mode (R/W) */
        !            72: #define        SFB_ASIC_ROP            0x0034  /* RasterOp (R/W) */
        !            73: #define        SFB_ASIC_PIXELSHIFT     0x0038  /* PixelShift (R/W) */
        !            74: #define        SFB_ASIC_ADDRESS        0x003c  /* Address (R/W) */
        !            75: #define        SFB_ASIC_BRES1          0x0040  /* Bresenham register 1 (R/W) */
        !            76: #define        SFB_ASIC_BRES2          0x0044  /* Bresenham register 2 (R/W) */
        !            77: #define        SFB_ASIC_BRES3          0x0048  /* Bresenham register 3 (R) (?) */
        !            78: #define        SFB_ASIC_BCONT          0x004c  /* Bcont (W) */
        !            79: #define        SFB_ASIC_DEEP           0x0050  /* Deep (R/W) */
        !            80: #define        SFB_ASIC_START          0x0054  /* Start (W) */
        !            81: #define        SFB_ASIC_CLEAR_INTR     0x0058  /* Clear Interrupt (W) */
        !            82: #define        SFB_ASIC_VIDEO_REFRESH  0x0060  /* Video refresh counter (R/W) */
        !            83: #define        SFB_ASIC_VIDEO_HSETUP   0x0064  /* Video horizontal setup (R/W) */
        !            84: #define        SFB_ASIC_VIDEO_VSETUP   0x0068  /* Video vertical setup (R/W) */
        !            85: #define        SFB_ASIC_VIDEO_BASE     0x006c  /* Video base address (R/W) */
        !            86: #define        SFB_ASIC_VIDEO_VALID    0x0070  /* Video valid (W) */
        !            87: #define        SFB_ASIC_ENABLE_INTR    0x0074  /* Enable/Disable Interrupts (W) */
        !            88: #define        SFB_ASIC_TCCLK          0x0078  /* TCCLK count (R/W) */
        !            89: #define        SFB_ASIC_VIDCLK         0x007c  /* VIDCLK count (R/W) */
        !            90:
        !            91: /*
        !            92:  * Bt459 RAMDAC registers (offsets from SFB_RAMDAC_OFFSET)
        !            93:  */
        !            94: #define        SFB_RAMDAC_ADDRLOW      0x0000  /* Address register low byte */
        !            95: #define        SFB_RAMDAC_ADDRHIGH     0x0004  /* Address register high byte */
        !            96: #define        SFB_RAMDAC_REGDATA      0x0008  /* Register addressed by addr reg */
        !            97: #define        SFB_RAMDAC_CMAPDATA     0x000c  /* Colormap loc addressed by addr reg */