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1/*+M*************************************************************************
2 * Perceptive Solutions, Inc. PSI-240I device driver proc support for Linux.
3 *
4 * Copyright (c) 1997 Perceptive Solutions, Inc.
5 *
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.
10 *
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.
15 *
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.
19 *
20 *
21 * File Name: psi_chip.h
22 *
23 * Description: This file contains the interface defines and
24 * error codes.
25 *
26 *-M*************************************************************************/
27#ifndef PSI_CHIP
28#define PSI_CHIP
29
30/************************************************/
31/* Misc konstants */
32/************************************************/
33#define CHIP_MAXDRIVES 8
34
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
44
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
52
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
57
58/************************************************/
59/* Chip Interrupts */
60/************************************************/
61#define CHIP_IRQ_10 0x72
62#define CHIP_IRQ_11 0x73
63#define CHIP_IRQ_12 0x74
64
65/************************************************/
66/* Chip Setup addresses */
67/************************************************/
68#define CHIP_SETUP_BASE 0x0000C000L
69
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
87
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
100typedef struct
101 {
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;
106
107#define CHIP_CONFIG 0x8100 // address of boards configuration.
108typedef struct
109 {
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;
114
115#define CHIP_MAP 0x8108 // eight byte device type map.
116
117
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
123
124/************************************************/
125/* Chip Register Masks */
126/************************************************/
127#define CHIP_ID 0x7B
128#define SEL_RAM 0x8000
129#define MASK_FAIL 0x80
130
131/************************************************/
132/* Chip cable select bits */
133/************************************************/
134#define SECTORSXFER 8
135
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
144
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
152
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
159
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
165
166/************************************************/
167/* Setup Structure Definitions */
168/************************************************/
169typedef struct // device setup parameters
170 {
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;
180
181typedef struct // master setup structure
182 {
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;
193
194#endif
195
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