1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
/* $OpenBSD: wdcreg.h,v 1.3 2001/03/23 02:16:41 deraadt Exp $ */
/* $NetBSD: wdcreg.h,v 1.22 1999/03/07 14:02:54 bouyer Exp $ */
/*-
* Copyright (c) 1991 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* William Jolitz.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)wdreg.h 7.1 (Berkeley) 5/9/91
*/
/*
* Controller register (wdr_ctlr)
*/
#define WDCTL_4BIT 0x08 /* use four head bits (wd1003) */
#define WDCTL_RST 0x04 /* reset the controller */
#define WDCTL_IDS 0x02 /* disable controller interrupts */
#if 0 /* NOT MAPPED; fd uses this register on PCs */
#define wd_digin 1 /* disk controller input (R) */
#endif
/*
* Status bits.
*/
#define WDCS_BSY 0x80 /* busy */
#define WDCS_DRDY 0x40 /* drive ready */
#define WDCS_DWF 0x20 /* drive write fault */
#define WDCS_DSC 0x10 /* drive seek complete */
#define WDCS_DRQ 0x08 /* data request */
#define WDCS_CORR 0x04 /* corrected data */
#define WDCS_IDX 0x02 /* index */
#define WDCS_ERR 0x01 /* error */
#define WDCS_BITS "\020\010bsy\007drdy\006dwf\005dsc\004drq\003corr\002idx\001err"
/*
* Error bits.
*/
#define WDCE_BBK 0x80 /* bad block detected */
#define WDCE_CRC 0x80 /* CRC error (Ultra-DMA only) */
#define WDCE_UNC 0x40 /* uncorrectable data error */
#define WDCE_MC 0x20 /* media changed */
#define WDCE_IDNF 0x10 /* id not found */
#define WDCE_MCR 0x08 /* media change requested */
#define WDCE_ABRT 0x04 /* aborted command */
#define WDCE_TK0NF 0x02 /* track 0 not found */
#define WDCE_AMNF 0x01 /* address mark not found */
/*
* Commands for Disk Controller.
*/
#define WDCC_NOP 0x00 /* NOP - Always fail with "aborted command" */
#define WDCC_RECAL 0x10 /* disk restore code -- resets cntlr */
#define WDCC_READ 0x20 /* disk read code */
#define WDCC_WRITE 0x30 /* disk write code */
#define WDCC__LONG 0x02 /* modifier -- access ecc bytes */
#define WDCC__NORETRY 0x01 /* modifier -- no retrys */
#define WDCC_FORMAT 0x50 /* disk format code */
#define WDCC_DIAGNOSE 0x90 /* controller diagnostic */
#define WDCC_IDP 0x91 /* initialize drive parameters */
#define WDCC_READMULTI 0xc4 /* read multiple */
#define WDCC_WRITEMULTI 0xc5 /* write multiple */
#define WDCC_SETMULTI 0xc6 /* set multiple mode */
#define WDCC_READDMA 0xc8 /* read with DMA */
#define WDCC_WRITEDMA 0xca /* write with DMA */
#define WDCC_ACKMC 0xdb /* acknowledge media change */
#define WDCC_LOCK 0xde /* lock drawer */
#define WDCC_UNLOCK 0xdf /* unlock drawer */
#define WDCC_FLUSHCACHE 0xe7 /* Flush cache */
#define WDCC_IDENTIFY 0xec /* read parameters from controller */
#define SET_FEATURES 0xef /* set features */
#define WDCC_IDLE 0xe3 /* set idle timer & enter idle mode */
#define WDCC_IDLE_IMMED 0xe1 /* enter idle mode */
#define WDCC_SLEEP 0xe6 /* enter sleep mode */
#define WDCC_STANDBY 0xe2 /* set standby timer & enter standby mode */
#define WDCC_STANDBY_IMMED 0xe0 /* enter standby mode */
#define WDCC_CHECK_PWR 0xe5 /* check power mode */
/* Subcommands for SET_FEATURES (features register ) */
#define WDSF_8BIT_PIO_EN 0x01 /* Enable 8bit PIO (CFA featureset) */
#define WDSF_EN_WR_CACHE 0x02
#define WDSF_SET_MODE 0x03
#define WDSF_REASSIGN_EN 0x04 /* Obsolete in ATA-6 */
#define WDSF_APM_EN 0x05 /* Enable Adv. Power Management */
#define WDSF_PUIS_EN 0x06 /* Enable Power-Up In Standby */
#define WDSF_PUIS_SPINUP 0x07 /* Power-Up In Standby spin-up */
#define WDSF_CFA_MODE1_EN 0x0A /* Enable CFA power mode 1 */
#define WDSF_RMSN_DS 0x31 /* Disable Removable Media Status */
#define WDSF_RETRY_DS 0x33 /* Obsolete in ATA-6 */
#define WDSF_AAM_EN 0x42 /* Enable Autom. Acoustic Management */
#define WDSF_SET_CACHE_SGMT 0x54 /* Obsolete in ATA-6 */
#define WDSF_READAHEAD_DS 0x55 /* Disable read look-ahead */
#define WDSF_RLSE_EN 0x5D /* Enable release interrupt */
#define WDSF_SRV_EN 0x5E /* Enable SERVICE interrupt */
#define WDSF_POD_DS 0x66
#define WDSF_ECC_DS 0x77
#define WDSF_8BIT_PIO_DS 0x81 /* Disable 8bit PIO (CFA featureset) */
#define WDSF_WRITE_CACHE_DS 0x82
#define WDSF_REASSIGN_DS 0x84
#define WDSF_APM_DS 0x85 /* Disable Adv. Power Management */
#define WDSF_PUIS_DS 0x86 /* Disable Power-Up In Standby */
#define WDSF_ECC_EN 0x88
#define WDSF_CFA_MODE1_DS 0x8A /* Disable CFA power mode 1 */
#define WDSF_RMSN_EN 0x95 /* Enable Removable Media Status */
#define WDSF_RETRY_EN 0x99 /* Obsolete in ATA-6 */
#define WDSF_SET_CURRENT 0x9A /* Obsolete in ATA-6 */
#define WDSF_READAHEAD_EN 0xAA
#define WDSF_PREFETCH_SET 0xAB /* Obsolete in ATA-6 */
#define WDSF_AAM_DS 0xC2 /* Disable Autom. Acoustic Management */
#define WDSF_POD_EN 0xCC
#define WDSF_RLSE_DS 0xDD /* Disable release interrupt */
#define WDSF_SRV_DS 0xDE /* Disable SERVICE interrupt */
/* parameters uploaded to device/heads register */
#define WDSD_IBM 0xa0 /* forced to 512 byte sector, ecc */
#define WDSD_CHS 0x00 /* cylinder/head/sector addressing */
#define WDSD_LBA 0x40 /* logical block addressing */
/* Commands for ATAPI devices */
#define ATAPI_CHECK_POWER_MODE 0xe5
#define ATAPI_EXEC_DRIVE_DIAGS 0x90
#define ATAPI_IDLE_IMMEDIATE 0xe1
#define ATAPI_NOP 0x00
#define ATAPI_PKT_CMD 0xa0
#define ATAPI_IDENTIFY_DEVICE 0xa1
#define ATAPI_SOFT_RESET 0x08
#define ATAPI_SLEEP 0xe6
#define ATAPI_STANDBY_IMMEDIATE 0xe0
#define ATAPI_SMART 0xB0 /* SMART operations */
#define ATAPI_SETMAX 0xF9 /* Set Max Address */
#define ATAPI_WRITEEXT 0x34 /* Write sectors Ext */
#define ATAPI_SETMAXEXT 0x37 /* Set Max Address Ext */
#define ATAPI_WRITEMULTIEXT 0x39 /* Write Multi Ext */
/* SubCommands for SMART operations */
#define ATAPI_SMART_READ 0xD0 /* SMART read data */
#define ATAPI_SMART_AUTOSAVE 0xD2 /* SMART en-/disable attr. autosave */
#define ATAPI_SMART_SAVE 0xD3 /* SMART save attributes */
#define ATAPI_SMART_OFFLINE 0xD4 /* SMART execute offline immediately */
#define ATAPI_SMART_READLOG 0xD5 /* SMART read log */
#define ATAPI_SMART_WRITELOG 0xD6 /* SMART write log */
#define ATAPI_SMART_DS 0xD9 /* SMART disable operations */
#define ATAPI_SMART_EN 0xD8 /* SMART disable operations */
#define ATAPI_SMART_STATUS 0xDA /* SMART return status */
/* Bytes used by ATAPI_PACKET_COMMAND ( feature register) */
#define ATAPI_PKT_CMD_FTRE_DMA 0x01
#define ATAPI_PKT_CMD_FTRE_OVL 0x02
/* ireason */
#define WDCI_CMD 0x01 /* command(1) or data(0) */
#define WDCI_IN 0x02 /* transfer to(1) or from(0) the host */
#define WDCI_RELEASE 0x04 /* bus released until completion */
#define PHASE_CMDOUT (WDCS_DRQ | WDCI_CMD)
#define PHASE_DATAIN (WDCS_DRQ | WDCI_IN)
#define PHASE_DATAOUT WDCS_DRQ
#define PHASE_COMPLETED (WDCI_IN | WDCI_CMD)
#define PHASE_ABORTED 0
|
