[SCSI] cciss 2.6 DMA mapping
[linux-2.6.22.y-op.git] / drivers / scsi / psi_chip.h
blob224cf8f64c97b93963e57ecc63e58735aeecf800
1 /*+M*************************************************************************
2 * Perceptive Solutions, Inc. PSI-240I device driver proc support for Linux.
4 * Copyright (c) 1997 Perceptive Solutions, Inc.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2, or (at your option)
9 * any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; see the file COPYING. If not, write to
18 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
21 * File Name: psi_chip.h
23 * Description: This file contains the interface defines and
24 * error codes.
26 *-M*************************************************************************/
27 #ifndef PSI_CHIP
28 #define PSI_CHIP
30 /************************************************/
31 /* Misc konstants */
32 /************************************************/
33 #define CHIP_MAXDRIVES 8
35 /************************************************/
36 /* Chip I/O addresses */
37 /************************************************/
38 #define CHIP_ADRS_0 0x0130
39 #define CHIP_ADRS_1 0x0150
40 #define CHIP_ADRS_2 0x0190
41 #define CHIP_ADRS_3 0x0210
42 #define CHIP_ADRS_4 0x0230
43 #define CHIP_ADRS_5 0x0250
45 /************************************************/
46 /* EEPROM locations */
47 /************************************************/
48 #define CHIP_EEPROM_BIOS 0x0000 // BIOS base address
49 #define CHIP_EEPROM_DATA 0x2000 // SETUP data base address
50 #define CHIP_EEPROM_FACTORY 0x2400 // FACTORY data base address
51 #define CHIP_EEPROM_SETUP 0x3000 // SETUP PROGRAM base address
53 #define CHIP_EEPROM_SIZE 32768U // size of the entire EEPROM
54 #define CHIP_EEPROM_BIOS_SIZE 8192 // size of the BIOS in bytes
55 #define CHIP_EEPROM_DATA_SIZE 4096 // size of factory, setup, log data block in bytes
56 #define CHIP_EEPROM_SETUP_SIZE 20480U // size of the setup program in bytes
58 /************************************************/
59 /* Chip Interrupts */
60 /************************************************/
61 #define CHIP_IRQ_10 0x72
62 #define CHIP_IRQ_11 0x73
63 #define CHIP_IRQ_12 0x74
65 /************************************************/
66 /* Chip Setup addresses */
67 /************************************************/
68 #define CHIP_SETUP_BASE 0x0000C000L
70 /************************************************/
71 /* Chip Register address offsets */
72 /************************************************/
73 #define REG_DATA 0x00
74 #define REG_ERROR 0x01
75 #define REG_SECTOR_COUNT 0x02
76 #define REG_LBA_0 0x03
77 #define REG_LBA_8 0x04
78 #define REG_LBA_16 0x05
79 #define REG_LBA_24 0x06
80 #define REG_STAT_CMD 0x07
81 #define REG_SEL_FAIL 0x08
82 #define REG_IRQ_STATUS 0x09
83 #define REG_ADDRESS 0x0A
84 #define REG_FAIL 0x0C
85 #define REG_ALT_STAT 0x0E
86 #define REG_DRIVE_ADRS 0x0F
88 /************************************************/
89 /* Chip RAM locations */
90 /************************************************/
91 #define CHIP_DEVICE 0x8000
92 #define CHIP_DEVICE_0 0x8000
93 #define CHIP_DEVICE_1 0x8008
94 #define CHIP_DEVICE_2 0x8010
95 #define CHIP_DEVICE_3 0x8018
96 #define CHIP_DEVICE_4 0x8020
97 #define CHIP_DEVICE_5 0x8028
98 #define CHIP_DEVICE_6 0x8030
99 #define CHIP_DEVICE_7 0x8038
100 typedef struct
102 UCHAR channel; // channel of this device (0-8).
103 UCHAR spt; // Sectors Per Track.
104 ULONG spc; // Sectors Per Cylinder.
105 } CHIP_DEVICE_N;
107 #define CHIP_CONFIG 0x8100 // address of boards configuration.
108 typedef struct
110 UCHAR irq; // interrupt request channel number
111 UCHAR numDrives; // Number of accessible drives
112 UCHAR fastFormat; // Boolean for fast format enable
113 } CHIP_CONFIG_N;
115 #define CHIP_MAP 0x8108 // eight byte device type map.
118 #define CHIP_RAID 0x8120 // array of RAID signature structures and LBA
119 #define CHIP_RAID_1 0x8120
120 #define CHIP_RAID_2 0x8130
121 #define CHIP_RAID_3 0x8140
122 #define CHIP_RAID_4 0x8150
124 /************************************************/
125 /* Chip Register Masks */
126 /************************************************/
127 #define CHIP_ID 0x7B
128 #define SEL_RAM 0x8000
129 #define MASK_FAIL 0x80
131 /************************************************/
132 /* Chip cable select bits */
133 /************************************************/
134 #define SECTORSXFER 8
136 /************************************************/
137 /* Chip cable select bits */
138 /************************************************/
139 #define SEL_NONE 0x00
140 #define SEL_1 0x01
141 #define SEL_2 0x02
142 #define SEL_3 0x04
143 #define SEL_4 0x08
145 /************************************************/
146 /* Programmable Interrupt Controller*/
147 /************************************************/
148 #define PIC1 0x20 // first 8259 base port address
149 #define PIC2 0xA0 // second 8259 base port address
150 #define INT_OCW1 1 // Operation Control Word 1: IRQ mask
151 #define EOI 0x20 // non-specific end-of-interrupt
153 /************************************************/
154 /* Device/Geometry controls */
155 /************************************************/
156 #define GEOMETRY_NONE 0x0 // No device
157 #define GEOMETRY_AUTO 0x1 // Geometry set automatically
158 #define GEOMETRY_USER 0x2 // User supplied geometry
160 #define DEVICE_NONE 0x0 // No device present
161 #define DEVICE_INACTIVE 0x1 // device present but not registered active
162 #define DEVICE_ATAPI 0x2 // ATAPI device (CD_ROM, Tape, Etc...)
163 #define DEVICE_DASD_NONLBA 0x3 // Non LBA incompatible device
164 #define DEVICE_DASD_LBA 0x4 // LBA compatible device
166 /************************************************/
167 /* Setup Structure Definitions */
168 /************************************************/
169 typedef struct // device setup parameters
171 UCHAR geometryControl; // geometry control flags
172 UCHAR device; // device code
173 USHORT sectors; // number of sectors per track
174 USHORT heads; // number of heads
175 USHORT cylinders; // number of cylinders for this device
176 ULONG blocks; // number of blocks on device
177 USHORT spare1;
178 USHORT spare2;
179 } SETUP_DEVICE, *PSETUP_DEVICE;
181 typedef struct // master setup structure
183 USHORT startupDelay;
184 USHORT promptBIOS;
185 USHORT fastFormat;
186 USHORT spare2;
187 USHORT spare3;
188 USHORT spare4;
189 USHORT spare5;
190 USHORT spare6;
191 SETUP_DEVICE setupDevice[8];
192 } SETUP, *PSETUP;
194 #endif