1/* 2 * drivers/video/clgenfb.h - Cirrus Logic chipset constants 3 * 4 * Copyright 1999 Jeff Garzik <jgarzik@pobox.com> 5 * 6 * Original clgenfb author: Frank Neumann 7 * 8 * Based on retz3fb.c and clgen.c: 9 * Copyright (C) 1997 Jes Sorensen 10 * Copyright (C) 1996 Frank Neumann 11 * 12 *************************************************************** 13 * 14 * Format this code with GNU indent '-kr -i8 -pcs' options. 15 * 16 * This file is subject to the terms and conditions of the GNU General Public 17 * License. See the file COPYING in the main directory of this archive 18 * for more details. 19 * 20 */ 21 22#ifndef __CLGENFB_H__ 23#define __CLGENFB_H__ 24 25/* OLD COMMENT: definitions for Piccolo/SD64 VGA controller chip */ 26/* OLD COMMENT: these definitions might most of the time also work */ 27/* OLD COMMENT: for other CL-GD542x/543x based boards.. */ 28 29/*** External/General Registers ***/ 30#define CL_POS102 0x102 /* POS102 register */ 31#define CL_VSSM 0x46e8 /* Adapter Sleep */ 32#define CL_VSSM2 0x3c3 /* Motherboard Sleep */ 33 34/*** VGA Sequencer Registers ***/ 35#define CL_SEQR0 0x0 /* Reset */ 36/* the following are from the "extension registers" group */ 37#define CL_SEQR6 0x6 /* Unlock ALL Extensions */ 38#define CL_SEQR7 0x7 /* Extended Sequencer Mode */ 39#define CL_SEQR8 0x8 /* EEPROM Control */ 40#define CL_SEQR9 0x9 /* Scratch Pad 0 (do not access!) */ 41#define CL_SEQRA 0xa /* Scratch Pad 1 (do not access!) */ 42#define CL_SEQRB 0xb /* VCLK0 Numerator */ 43#define CL_SEQRC 0xc /* VCLK1 Numerator */ 44#define CL_SEQRD 0xd /* VCLK2 Numerator */ 45#define CL_SEQRE 0xe /* VCLK3 Numerator */ 46#define CL_SEQRF 0xf /* DRAM Control */ 47#define CL_SEQR10 0x10 /* Graphics Cursor X Position */ 48#define CL_SEQR11 0x11 /* Graphics Cursor Y Position */ 49#define CL_SEQR12 0x12 /* Graphics Cursor Attributes */ 50#define CL_SEQR13 0x13 /* Graphics Cursor Pattern Address Offset */ 51#define CL_SEQR14 0x14 /* Scratch Pad 2 (CL-GD5426/'28 Only) (do not access!) */ 52#define CL_SEQR15 0x15 /* Scratch Pad 3 (CL-GD5426/'28 Only) (do not access!) */ 53#define CL_SEQR16 0x16 /* Performance Tuning (CL-GD5424/'26/'28 Only) */ 54#define CL_SEQR17 0x17 /* Configuration ReadBack and Extended Control (CL-GF5428 Only) */ 55#define CL_SEQR18 0x18 /* Signature Generator Control (Not CL-GD5420) */ 56#define CL_SEQR19 0x19 /* Signature Generator Result Low Byte (Not CL-GD5420) */ 57#define CL_SEQR1A 0x1a /* Signature Generator Result High Byte (Not CL-GD5420) */ 58#define CL_SEQR1B 0x1b /* VCLK0 Denominator and Post-Scalar Value */ 59#define CL_SEQR1C 0x1c /* VCLK1 Denominator and Post-Scalar Value */ 60#define CL_SEQR1D 0x1d /* VCLK2 Denominator and Post-Scalar Value */ 61#define CL_SEQR1E 0x1e /* VCLK3 Denominator and Post-Scalar Value */ 62#define CL_SEQR1F 0x1f /* BIOS ROM write enable and MCLK Select */ 63 64/*** CRT Controller Registers ***/ 65#define CL_CRT22 0x22 /* Graphics Data Latches ReadBack */ 66#define CL_CRT24 0x24 /* Attribute Controller Toggle ReadBack */ 67#define CL_CRT26 0x26 /* Attribute Controller Index ReadBack */ 68/* the following are from the "extension registers" group */ 69#define CL_CRT19 0x19 /* Interlace End */ 70#define CL_CRT1A 0x1a /* Interlace Control */ 71#define CL_CRT1B 0x1b /* Extended Display Controls */ 72#define CL_CRT1C 0x1c /* Sync adjust and genlock register */ 73#define CL_CRT1D 0x1d /* Overlay Extended Control register */ 74#define CL_CRT25 0x25 /* Part Status Register */ 75#define CL_CRT27 0x27 /* ID Register */ 76#define CL_CRT51 0x51 /* P4 disable "flicker fixer" */ 77 78/*** Graphics Controller Registers ***/ 79/* the following are from the "extension registers" group */ 80#define CL_GR9 0x9 /* Offset Register 0 */ 81#define CL_GRA 0xa /* Offset Register 1 */ 82#define CL_GRB 0xb /* Graphics Controller Mode Extensions */ 83#define CL_GRC 0xc /* Color Key (CL-GD5424/'26/'28 Only) */ 84#define CL_GRD 0xd /* Color Key Mask (CL-GD5424/'26/'28 Only) */ 85#define CL_GRE 0xe /* Miscellaneous Control (Cl-GD5428 Only) */ 86#define CL_GRF 0xf /* Display Compression Control register */ 87#define CL_GR10 0x10 /* 16-bit Pixel BG Color High Byte (Not CL-GD5420) */ 88#define CL_GR11 0x11 /* 16-bit Pixel FG Color High Byte (Not CL-GD5420) */ 89#define CL_GR12 0x12 /* Background Color Byte 2 Register */ 90#define CL_GR13 0x13 /* Foreground Color Byte 2 Register */ 91#define CL_GR14 0x14 /* Background Color Byte 3 Register */ 92#define CL_GR15 0x15 /* Foreground Color Byte 3 Register */ 93/* the following are CL-GD5426/'28 specific blitter registers */ 94#define CL_GR20 0x20 /* BLT Width Low */ 95#define CL_GR21 0x21 /* BLT Width High */ 96#define CL_GR22 0x22 /* BLT Height Low */ 97#define CL_GR23 0x23 /* BLT Height High */ 98#define CL_GR24 0x24 /* BLT Destination Pitch Low */ 99#define CL_GR25 0x25 /* BLT Destination Pitch High */ 100#define CL_GR26 0x26 /* BLT Source Pitch Low */ 101#define CL_GR27 0x27 /* BLT Source Pitch High */ 102#define CL_GR28 0x28 /* BLT Destination Start Low */ 103#define CL_GR29 0x29 /* BLT Destination Start Mid */ 104#define CL_GR2A 0x2a /* BLT Destination Start High */ 105#define CL_GR2C 0x2c /* BLT Source Start Low */ 106#define CL_GR2D 0x2d /* BLT Source Start Mid */ 107#define CL_GR2E 0x2e /* BLT Source Start High */ 108#define CL_GR2F 0x2f /* Picasso IV Blitter compat mode..? */ 109#define CL_GR30 0x30 /* BLT Mode */ 110#define CL_GR31 0x31 /* BLT Start/Status */ 111#define CL_GR32 0x32 /* BLT Raster Operation */ 112#define CL_GR33 0x33 /* another P4 "compat" register.. */ 113#define CL_GR34 0x34 /* Transparent Color Select Low */ 114#define CL_GR35 0x35 /* Transparent Color Select High */ 115#define CL_GR38 0x38 /* Source Transparent Color Mask Low */ 116#define CL_GR39 0x39 /* Source Transparent Color Mask High */ 117 118/*** Attribute Controller Registers ***/ 119#define CL_AR33 0x33 /* The "real" Pixel Panning register (?) */ 120#define CL_AR34 0x34 /* TEST */ 121 122#endif /* __CLGENFB_H__ */ 123