xref: /linux/include/video/cirrus.h (revision e5451c8f8330e03ad3cfa16048b4daf961af434f)
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