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/* $OpenBSD: tgareg.h,v 1.4 2001/03/18 04:37:21 nate Exp $ */
/* $NetBSD: tgareg.h,v 1.3 2000/03/04 10:28:00 elric Exp $ */
/*
* Copyright (c) 1995, 1996 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#ifndef _ALPHA_INCLUDE_TGAREG_H_
#define _ALPHA_INCLUDE_TGAREG_H_
/*
* Device-specific PCI register offsets and contents.
*/
#define TGA_PCIREG_PVRR 0x40 /* PCI Address Extension Register */
#define TGA_PCIREG_PAER 0x44 /* PCI VGA Redirect Register */
/*
* TGA Memory Space offsets
*/
#define TGA_MEM_ALTROM 0x0000000 /* 0MB -- Alternate ROM space */
#define TGA2_MEM_EXTDEV 0x0000000 /* 0MB -- External Device Access */
#define TGA_MEM_CREGS 0x0100000 /* 1MB -- Core Registers */
#define TGA_CREGS_SIZE 0x0100000 /* Core registers occupy 1MB */
#define TGA_CREGS_ALIAS 0x0000400 /* Register copies every 1kB */
#define TGA2_MEM_CLOCK 0x0060000 /* TGA2 Clock access */
#define TGA2_MEM_RAMDAC 0x0080000 /* TGA2 RAMDAC access */
/* Display and Back Buffers mapped at config-dependent addresses */
/*
* TGA Core Space register numbers and contents.
*/
typedef u_int32_t tga_reg_t;
#define TGA_REG_GCBR0 0x000 /* Copy buffer 0 */
#define TGA_REG_GCBR1 0x001 /* Copy buffer 1 */
#define TGA_REG_GCBR2 0x002 /* Copy buffer 2 */
#define TGA_REG_GCBR3 0x003 /* Copy buffer 3 */
#define TGA_REG_GCBR4 0x004 /* Copy buffer 4 */
#define TGA_REG_GCBR5 0x005 /* Copy buffer 5 */
#define TGA_REG_GCBR6 0x006 /* Copy buffer 6 */
#define TGA_REG_GCBR7 0x007 /* Copy buffer 7 */
#define TGA_REG_GFGR 0x008 /* Foreground */
#define TGA_REG_GBGR 0x009 /* Background */
#define TGA_REG_GPMR 0x00a /* Plane Mask */
#define TGA_REG_GPXR_S 0x00b /* Pixel Mask (one-shot) */
#define TGA_REG_GMOR 0x00c /* Mode */
#define TGA_REG_GOPR 0x00d /* Raster Operation */
#define TGA_REG_GPSR 0x00e /* Pixel Shift */
#define TGA_REG_GADR 0x00f /* Address */
#define TGA_REG_GB1R 0x010 /* Bresenham 1 */
#define TGA_REG_GB2R 0x011 /* Bresenham 2 */
#define TGA_REG_GB3R 0x012 /* Bresenham 3 */
#define TGA_REG_GCTR 0x013 /* Continue */
#define TGA_REG_GDER 0x014 /* Deep */
#define TGA_REG_GREV 0x015 /* Start/Version on TGA,
* Revision on TGA2 */
#define TGA_REG_GSMR 0x016 /* Stencil Mode */
#define TGA_REG_GPXR_P 0x017 /* Pixel Mask (persistent) */
#define TGA_REG_CCBR 0x018 /* Cursor Base Address */
#define TGA_REG_VHCR 0x019 /* Horizontal Control */
#define TGA_REG_VVCR 0x01a /* Vertical Control */
#define TGA_REG_VVBR 0x01b /* Video Base Address */
#define TGA_REG_VVVR 0x01c /* Video Valid */
#define TGA_REG_CXYR 0x01d /* Cursor XY */
#define TGA_REG_VSAR 0x01e /* Video Shift Address */
#define TGA_REG_SISR 0x01f /* Interrupt Status */
#define TGA_REG_GDAR 0x020 /* Data */
#define TGA_REG_GRIR 0x021 /* Red Increment */
#define TGA_REG_GGIR 0x022 /* Green Increment */
#define TGA_REG_GBIR 0x023 /* Blue Increment */
#define TGA_REG_GZIR_L 0x024 /* Z-increment Low */
#define TGA_REG_GZIR_H 0x025 /* Z-Increment High */
#define TGA_REG_GDBR 0x026 /* DMA Base Address */
#define TGA_REG_GBWR 0x027 /* Bresenham Width */
#define TGA_REG_GZVR_L 0x028 /* Z-value Low */
#define TGA_REG_GZVR_H 0x029 /* Z-value High */
#define TGA_REG_GZBR 0x02a /* Z-base address */
/* GADR alias 0x02b */
#define TGA_REG_GRVR 0x02c /* Red Value */
#define TGA_REG_GGVR 0x02d /* Green Value */
#define TGA_REG_GBVR 0x02e /* Blue Value */
#define TGA_REG_GSWR 0x02f /* Span Width */
#define TGA_REG_EPSR 0x030 /* Pallete and DAC Setup */
/* reserved 0x031 - 0x3f */
#define TGA_REG_GSNR0 0x040 /* Slope-no-go 0 */
#define TGA_REG_GSNR1 0x041 /* Slope-no-go 1 */
#define TGA_REG_GSNR2 0x042 /* Slope-no-go 2 */
#define TGA_REG_GSNR3 0x043 /* Slope-no-go 3 */
#define TGA_REG_GSNR4 0x044 /* Slope-no-go 4 */
#define TGA_REG_GSNR5 0x045 /* Slope-no-go 5 */
#define TGA_REG_GSNR6 0x046 /* Slope-no-go 6 */
#define TGA_REG_GSNR7 0x047 /* Slope-no-go 7 */
#define TGA_REG_GSLR0 0x048 /* Slope 0 */
#define TGA_REG_GSLR1 0x049 /* Slope 1 */
#define TGA_REG_GSLR2 0x04a /* Slope 2 */
#define TGA_REG_GSLR3 0x04b /* Slope 3 */
#define TGA_REG_GSLR4 0x04c /* Slope 4 */
#define TGA_REG_GSLR5 0x04d /* Slope 5 */
#define TGA_REG_GSLR6 0x04e /* Slope 6 */
#define TGA_REG_GSLR7 0x04f /* Slope 7 */
#define TGA_REG_GBCR0 0x050 /* Block Color 0 */
#define TGA_REG_GBCR1 0x051 /* Block Color 1 */
#define TGA_REG_GBCR2 0x052 /* Block Color 2 */
#define TGA_REG_GBCR3 0x053 /* Block Color 3 */
#define TGA_REG_GBCR4 0x054 /* Block Color 4 */
#define TGA_REG_GBCR5 0x055 /* Block Color 5 */
#define TGA_REG_GBCR6 0x056 /* Block Color 6 */
#define TGA_REG_GBCR7 0x057 /* Block Color 7 */
#define TGA_REG_GCSR 0x058 /* Copy 64 Source */
#define TGA_REG_GCDR 0x059 /* Copy 64 Destination */
/* GC[SD]R aliases 0x05a - 0x05f */
/* reserved 0x060 - 0x077 */
#define TGA_REG_ERWR 0x078 /* EEPROM write */
/* reserved 0x079 */
#define TGA_REG_ECGR 0x07a /* Clock */
/* reserved 0x07b */
#define TGA_REG_EPDR 0x07c /* Pallete and DAC Data */
/* reserved 0x07d */
#define TGA_REG_SCSR 0x07e /* Command Status */
/* reserved 0x07f */
/*
* Video Valid Register
*/
#define VVR_VIDEOVALID 0x00000001 /* 0 VGA, 1 TGA2 (TGA2 only) */
#define VVR_BLANK 0x00000002 /* 0 active, 1 blank */
#define VVR_CURSOR 0x00000004 /* 0 disable, 1 enable (TGA2 R/O) */
#define VVR_INTERLACE 0x00000008 /* 0 N/Int, 1 Int. (TGA2 R/O) */
#define VVR_DPMS_MASK 0x00000030 /* See "DMPS mask" below */
#define VVR_DPMS_SHIFT 4
#define VVR_DDC 0x00000040 /* DDC-in pin value (R/O) */
#define VVR_TILED 0x00000400 /* 0 linear, 1 tiled (not on TGA2) */
#define VVR_LDDLY_MASK 0x01ff0000 /* load delay in quad pixel clock ticks
(not on TGA2) */
#define VVR_LDDLY_SHIFT 16
#endif /* _ALPHA_INCLUDE_TGAREG_H_ */
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