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/* the following are from the "extension registers" group */
36#define CL_SEQR6 0x6 /* Unlock ALL Extensions */
37#define CL_SEQR7 0x7 /* Extended Sequencer Mode */
38#define CL_SEQR8 0x8 /* EEPROM Control */
39#define CL_SEQR9 0x9 /* Scratch Pad 0 (do not access!) */
40#define CL_SEQRA 0xa /* Scratch Pad 1 (do not access!) */
41#define CL_SEQRB 0xb /* VCLK0 Numerator */
42#define CL_SEQRC 0xc /* VCLK1 Numerator */
43#define CL_SEQRD 0xd /* VCLK2 Numerator */
44#define CL_SEQRE 0xe /* VCLK3 Numerator */
45#define CL_SEQRF 0xf /* DRAM Control */
46#define CL_SEQR10 0x10 /* Graphics Cursor X Position */
47#define CL_SEQR11 0x11 /* Graphics Cursor Y Position */
48#define CL_SEQR12 0x12 /* Graphics Cursor Attributes */
49#define CL_SEQR13 0x13 /* Graphics Cursor Pattern Address Offset */
50#define CL_SEQR14 0x14 /* Scratch Pad 2 (CL-GD5426/'28 Only) (do not access!) */
51#define CL_SEQR15 0x15 /* Scratch Pad 3 (CL-GD5426/'28 Only) (do not access!) */
52#define CL_SEQR16 0x16 /* Performance Tuning (CL-GD5424/'26/'28 Only) */
53#define CL_SEQR17 0x17 /* Configuration ReadBack and Extended Control (CL-GF5428 Only) */
54#define CL_SEQR18 0x18 /* Signature Generator Control (Not CL-GD5420) */
55#define CL_SEQR19 0x19 /* Signature Generator Result Low Byte (Not CL-GD5420) */
56#define CL_SEQR1A 0x1a /* Signature Generator Result High Byte (Not CL-GD5420) */
57#define CL_SEQR1B 0x1b /* VCLK0 Denominator and Post-Scalar Value */
58#define CL_SEQR1C 0x1c /* VCLK1 Denominator and Post-Scalar Value */
59#define CL_SEQR1D 0x1d /* VCLK2 Denominator and Post-Scalar Value */
60#define CL_SEQR1E 0x1e /* VCLK3 Denominator and Post-Scalar Value */
61#define CL_SEQR1F 0x1f /* BIOS ROM write enable and MCLK Select */
62
63/*** CRT Controller Registers ***/
64#define CL_CRT22 0x22 /* Graphics Data Latches ReadBack */
65#define CL_CRT24 0x24 /* Attribute Controller Toggle ReadBack */
66#define CL_CRT26 0x26 /* Attribute Controller Index ReadBack */
67/* the following are from the "extension registers" group */
68#define CL_CRT19 0x19 /* Interlace End */
69#define CL_CRT1A 0x1a /* Interlace Control */
70#define CL_CRT1B 0x1b /* Extended Display Controls */
71#define CL_CRT1C 0x1c /* Sync adjust and genlock register */
72#define CL_CRT1D 0x1d /* Overlay Extended Control register */
73#define CL_CRT1E 0x1e /* Another overflow 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