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/* $NetBSD: tgareg.h,v 1.6 2005/12/11 12:22:50 christos Exp $ */
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/*
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 * Copyright (c) 1995, 1996 Carnegie-Mellon University.
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 * All rights reserved.
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 *
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 * Author: Chris G. Demetriou
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 *
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 * Permission to use, copy, modify and distribute this software and
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 * its documentation is hereby granted, provided that both the copyright
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 * notice and this permission notice appear in all copies of the
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 * software, derivative works or modified versions, and any portions
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 * thereof, and that both notices appear in supporting documentation.
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 *
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 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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 *
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 * Carnegie Mellon requests users of this software to return to
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 *
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 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
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 *  School of Computer Science
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 *  Carnegie Mellon University
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 *  Pittsburgh PA 15213-3890
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 *
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 * any improvements or extensions that they make and grant Carnegie the
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 * rights to redistribute these changes.
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 */
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#ifndef _ALPHA_INCLUDE_TGAREG_H_
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#define _ALPHA_INCLUDE_TGAREG_H_
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/*
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 * Device-specific PCI register offsets and contents.
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 */
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#define        TGA_PCIREG_PVRR        0x40                /* PCI Address Extension Register */
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#define        TGA_PCIREG_PAER        0x44                /* PCI VGA Redirect Register */
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/*
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 * TGA Memory Space offsets
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 */
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#define        TGA_MEM_ALTROM        0x0000000        /* 0MB -- Alternate ROM space */
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#define TGA2_MEM_EXTDEV        0x0000000        /* 0MB -- External Device Access */
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#define        TGA_MEM_CREGS        0x0100000        /* 1MB -- Core Registers */
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#define TGA_CREGS_SIZE        0x0100000         /* Core registers occupy 1MB */
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#define TGA_CREGS_ALIAS        0x0000400        /* Register copies every 1kB */
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#define TGA2_MEM_CLOCK        0x0060000        /* TGA2 Clock access */
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#define TGA2_MEM_RAMDAC        0x0080000        /* TGA2 RAMDAC access */
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/* Display and Back Buffers mapped at config-dependent addresses */
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/*
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 * TGA Core Space register numbers and contents.
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 */
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typedef u_int32_t tga_reg_t;
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#define        TGA_REG_GCBR0        0x000                /* Copy buffer 0 */
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#define        TGA_REG_GCBR1        0x001                /* Copy buffer 1 */
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#define        TGA_REG_GCBR2        0x002                /* Copy buffer 2 */
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#define        TGA_REG_GCBR3        0x003                /* Copy buffer 3 */
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#define        TGA_REG_GCBR4        0x004                /* Copy buffer 4 */
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#define        TGA_REG_GCBR5        0x005                /* Copy buffer 5 */
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#define        TGA_REG_GCBR6        0x006                /* Copy buffer 6 */
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#define        TGA_REG_GCBR7        0x007                /* Copy buffer 7 */
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#define        TGA_REG_GFGR        0x008                /* Foreground */
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#define        TGA_REG_GBGR        0x009                /* Background */
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#define        TGA_REG_GPMR        0x00a                /* Plane Mask */
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#define        TGA_REG_GPXR_S        0x00b                /* Pixel Mask (one-shot) */
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#define        TGA_REG_GMOR        0x00c                /* Mode */
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#define        TGA_REG_GOPR        0x00d                /* Raster Operation */
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#define        TGA_REG_GPSR        0x00e                /* Pixel Shift */
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#define        TGA_REG_GADR        0x00f                /* Address */
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#define        TGA_REG_GB1R        0x010                /* Bresenham 1 */
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#define        TGA_REG_GB2R        0x011                /* Bresenham 2 */
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#define        TGA_REG_GB3R        0x012                /* Bresenham 3 */
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#define        TGA_REG_GCTR        0x013                /* Continue */
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#define        TGA_REG_GDER        0x014                /* Deep */
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#define TGA_REG_GREV        0x015                /* Start/Version on TGA,
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                                         * Revision on TGA2 */
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#define        TGA_REG_GSMR        0x016                /* Stencil Mode */
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#define        TGA_REG_GPXR_P        0x017                /* Pixel Mask (persistent) */
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#define        TGA_REG_CCBR        0x018                /* Cursor Base Address */
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#define        TGA_REG_VHCR        0x019                /* Horizontal Control */
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#define        TGA_REG_VVCR        0x01a                /* Vertical Control */
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#define        TGA_REG_VVBR        0x01b                /* Video Base Address */
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#define        TGA_REG_VVVR        0x01c                /* Video Valid */
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#define        TGA_REG_CXYR        0x01d                /* Cursor XY */
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#define        TGA_REG_VSAR        0x01e                /* Video Shift Address */
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#define        TGA_REG_SISR        0x01f                /* Interrupt Status */
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#define        TGA_REG_GDAR        0x020                /* Data */
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#define        TGA_REG_GRIR        0x021                /* Red Increment */
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#define        TGA_REG_GGIR        0x022                /* Green Increment */
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#define        TGA_REG_GBIR        0x023                /* Blue Increment */
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#define        TGA_REG_GZIR_L        0x024                /* Z-increment Low */
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#define        TGA_REG_GZIR_H        0x025                /* Z-Increment High */
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#define        TGA_REG_GDBR        0x026                /* DMA Base Address */
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#define        TGA_REG_GBWR        0x027                /* Bresenham Width */
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#define        TGA_REG_GZVR_L        0x028                /* Z-value Low */
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#define        TGA_REG_GZVR_H        0x029                /* Z-value High */
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#define        TGA_REG_GZBR        0x02a                /* Z-base address */
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/*        GADR alias        0x02b */
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#define        TGA_REG_GRVR        0x02c                /* Red Value */
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#define        TGA_REG_GGVR        0x02d                /* Green Value */
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#define        TGA_REG_GBVR        0x02e                /* Blue Value */
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#define        TGA_REG_GSWR        0x02f                /* Span Width */
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#define        TGA_REG_EPSR        0x030                /* Pallete and DAC Setup */
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/*        reserved        0x031 - 0x3f */
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#define        TGA_REG_GSNR0        0x040                /* Slope-no-go 0 */
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#define        TGA_REG_GSNR1        0x041                /* Slope-no-go 1 */
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#define        TGA_REG_GSNR2        0x042                /* Slope-no-go 2 */
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#define        TGA_REG_GSNR3        0x043                /* Slope-no-go 3 */
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#define        TGA_REG_GSNR4        0x044                /* Slope-no-go 4 */
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#define        TGA_REG_GSNR5        0x045                /* Slope-no-go 5 */
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#define        TGA_REG_GSNR6        0x046                /* Slope-no-go 6 */
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#define        TGA_REG_GSNR7        0x047                /* Slope-no-go 7 */
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#define        TGA_REG_GSLR0        0x048                /* Slope 0 */
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#define        TGA_REG_GSLR1        0x049                /* Slope 1 */
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#define        TGA_REG_GSLR2        0x04a                /* Slope 2 */
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#define        TGA_REG_GSLR3        0x04b                /* Slope 3 */
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#define        TGA_REG_GSLR4        0x04c                /* Slope 4 */
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#define        TGA_REG_GSLR5        0x04d                /* Slope 5 */
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#define        TGA_REG_GSLR6        0x04e                /* Slope 6 */
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#define        TGA_REG_GSLR7        0x04f                /* Slope 7 */
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#define        TGA_REG_GBCR0        0x050                /* Block Color 0 */
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#define        TGA_REG_GBCR1        0x051                /* Block Color 1 */
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#define        TGA_REG_GBCR2        0x052                /* Block Color 2 */
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#define        TGA_REG_GBCR3        0x053                /* Block Color 3 */
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#define        TGA_REG_GBCR4        0x054                /* Block Color 4 */
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#define        TGA_REG_GBCR5        0x055                /* Block Color 5 */
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#define        TGA_REG_GBCR6        0x056                /* Block Color 6 */
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#define        TGA_REG_GBCR7        0x057                /* Block Color 7 */
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#define        TGA_REG_GCSR        0x058                /* Copy 64 Source */
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#define        TGA_REG_GCDR        0x059                /* Copy 64 Destination */
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/*        GC[SD]R aliases 0x05a - 0x05f */
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/*        reserved        0x060 - 0x077 */
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#define        TGA_REG_ERWR        0x078                /* EEPROM write */
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/*        reserved        0x079 */
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#define        TGA_REG_ECGR        0x07a                /* Clock */
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/*        reserved        0x07b */
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#define        TGA_REG_EPDR        0x07c                /* Pallete and DAC Data */
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/*        reserved        0x07d */
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#define        TGA_REG_SCSR        0x07e                /* Command Status */
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/*        reserved        0x07f */
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/*
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 * Video Valid Register
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 */
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#define        VVR_VIDEOVALID        0x00000001        /* 0 VGA, 1 TGA2 (TGA2 only) */
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#define        VVR_BLANK        0x00000002        /* 0 active, 1 blank */
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#define        VVR_CURSOR        0x00000004        /* 0 disable, 1 enable (TGA2 R/O) */
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#define        VVR_INTERLACE        0x00000008        /* 0 N/Int, 1 Int. (TGA2 R/O) */
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#define        VVR_DPMS_MASK        0x00000030        /* See "DMPS mask" below */
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#define        VVR_DPMS_SHIFT        4
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#define        VVR_DDC                0x00000040        /* DDC-in pin value (R/O) */
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#define        VVR_TILED        0x00000400        /* 0 linear, 1 tiled (not on TGA2) */
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#define        VVR_LDDLY_MASK        0x01ff0000        /* load delay in quad pixel clock ticks
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                                           (not on TGA2) */
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#define        VVR_LDDLY_SHIFT        16
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#endif /* _ALPHA_INCLUDE_TGAREG_H_ */