summaryrefslogtreecommitdiff
path: root/dev/ide_atareg.h
blob: 5320529c8cf2f3cd3d525d3436e473c3c1ad88eb (plain)
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
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
/*	$OpenBSD: atareg.h,v 1.12 2004/09/24 07:15:22 grange Exp $	*/
/*	$NetBSD: atareg.h,v 1.5 1999/01/18 20:06:24 bouyer Exp $	*/

/*
 * Copyright (c) 1998, 2001 Manuel Bouyer.
 *
 * 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 Manuel Bouyer.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 */

#ifndef _DEV_ATA_ATAREG_H_
#define _DEV_ATA_ATAREG_H_

#if defined(linux)
#include <endian.h>
#else
#include <machine/endian.h>
#endif

#define ATA_BYTE_ORDER LITTLE_ENDIAN

/*
 * Drive parameter structure for ATA/ATAPI.
 * Bit fields: WDC_* : common to ATA/ATAPI
 *             ATA_* : ATA only
 *             ATAPI_* : ATAPI only.
 */
struct ataparams {
    /* drive info */
    uint16_t	atap_config;		/* 0: general configuration */
#define WDC_CFG_ATAPI_MASK		0xc000
#define WDC_CFG_ATAPI			0x8000
#define ATA_CFG_REMOVABLE		0x0080
#define ATA_CFG_FIXED			0x0040
#define ATAPI_CFG_TYPE_MASK		0x1f00
#define ATAPI_CFG_TYPE(x)		(((x) & ATAPI_CFG_TYPE_MASK) >> 8)
#define ATAPI_CFG_TYPE_DIRECT		0x00
#define ATAPI_CFG_TYPE_SEQUENTIAL	0x01
#define ATAPI_CFG_TYPE_CDROM		0x05
#define ATAPI_CFG_TYPE_OPTICAL		0x07
#define ATAPI_CFG_TYPE_NODEVICE		0x1F
#define ATAPI_CFG_REMOV			0x0080
#define ATAPI_CFG_DRQ_MASK		0x0060
#define ATAPI_CFG_STD_DRQ		0x0000
#define ATAPI_CFG_IRQ_DRQ		0x0020
#define ATAPI_CFG_ACCEL_DRQ		0x0040
#define ATAPI_CFG_CMD_MASK		0x0003
#define ATAPI_CFG_CMD_12		0x0000
#define ATAPI_CFG_CMD_16		0x0001
/* words 1-9 are ATA only */
    uint16_t	atap_cylinders;		/* 1: # of non-removable cylinders */
    uint16_t	__reserved1;
    uint16_t	atap_heads;		/* 3: # of heads */
    uint16_t	__retired1[2];		/* 4-5: # of unform. bytes/track */
    uint16_t	atap_sectors;		/* 6: # of sectors */
    uint16_t	__retired2[3];

    uint8_t	atap_serial[20];	/* 10-19: serial number */
    uint16_t	__retired3[2];
    uint16_t	__obsolete1;
    uint8_t	atap_revision[8];	/* 23-26: firmware revision */
    uint8_t	atap_model[40];		/* 27-46: model number */
    uint16_t	atap_multi;		/* 47: maximum sectors per irq (ATA) */
    uint16_t	__reserved2;
    uint8_t	atap_vendor;	        /* 49: vendor  */
    uint8_t	atap_capabilities1;	/* 49: capability flags */
#define WDC_CAP_IORDY	0x0800
#define WDC_CAP_IORDY_DSBL 0x0400
#define WDC_CAP_LBA	0x0200
#define WDC_CAP_DMA	0x0100
#define ATA_CAP_STBY	0x2000
#define ATAPI_CAP_INTERL_DMA	0x8000
#define ATAPI_CAP_CMD_QUEUE	0x4000
#define ATAPI_CAP_OVERLP	0x2000
#define ATAPI_CAP_ATA_RST	0x1000
    uint16_t	atap_capabilities2;	/* 50: capability flags (ATA) */
#if ATA_BYTE_ORDER == LITTLE_ENDIAN
    uint8_t	__junk2;
    uint8_t	atap_oldpiotiming;	/* 51: old PIO timing mode */
    uint8_t	__junk3;
    uint8_t	atap_olddmatiming;	/* 52: old DMA timing mode (ATA) */
#else
    uint8_t	atap_oldpiotiming;	/* 51: old PIO timing mode */
    uint8_t	__junk2;
    uint8_t	atap_olddmatiming;	/* 52: old DMA timing mode (ATA) */
    uint8_t	__junk3;
#endif
    uint16_t	atap_extensions;	/* 53: extensions supported */
#define WDC_EXT_UDMA_MODES	0x0004
#define WDC_EXT_MODES		0x0002
#define WDC_EXT_GEOM		0x0001
/* words 54-62 are ATA only */
    uint16_t	atap_curcylinders;	/* 54: current logical cylinders */
    uint16_t	atap_curheads;		/* 55: current logical heads */
    uint16_t	atap_cursectors;	/* 56: current logical sectors/tracks */
    uint16_t	atap_curcapacity[2];	/* 57-58: current capacity */
    uint8_t	atap_curmulti;		/* 59: current multi-sector setting */
    uint8_t	atap_curmulti_valid;	/* 59: current multi-sector setting */
#define WDC_MULTI_VALID 0x0100
#define WDC_MULTI_MASK  0x00ff
    uint32_t	atap_capacity;	/* 60-61: total capacity (LBA only) */
    uint16_t	__retired4;
#if ATA_BYTE_ORDER == LITTLE_ENDIAN
    uint8_t	atap_dmamode_supp;	/* 63: multiword DMA mode supported */
    uint8_t	atap_dmamode_act;	/*     multiword DMA mode active */
    uint8_t	atap_piomode_supp;	/* 64: PIO mode supported */
    uint8_t	__junk4;
#else
    uint8_t	atap_dmamode_act;	/*     multiword DMA mode active */
    uint8_t	atap_dmamode_supp;	/* 63: multiword DMA mode supported */
    uint8_t	__junk4;
    uint8_t	atap_piomode_supp;	/* 64: PIO mode supported */
#endif
    uint16_t	atap_dmatiming_mimi;	/* 65: minimum DMA cycle time */
    uint16_t	atap_dmatiming_recom;	/* 66: recommended DMA cycle time */
    uint16_t	atap_piotiming;		/* 67: mini PIO cycle time without FC */
    uint16_t	atap_piotiming_iordy;	/* 68: mini PIO cycle time with IORDY FC */
    uint16_t	__reserved3[2];
/* words 71-72 are ATAPI only */
    uint16_t	atap_pkt_br;		/* 71: time (ns) to bus release */
    uint16_t	atap_pkt_bsyclr;	/* 72: tme to clear BSY after service */
    uint16_t	__reserved4[2];
    uint16_t	atap_queuedepth;	/* 75: */
#define WDC_QUEUE_DEPTH_MASK 0x1f
    uint16_t	atap_sata_caps;		/* 76: SATA capabilities */
#define SATA_SIGNAL_GEN1	0x0002	/* SATA Gen-1 signaling speed */
#define SATA_SIGNAL_GEN2	0x0004	/* SATA Gen-2 signaling speed */
#define SATA_NATIVE_CMDQ	0x0100	/* native command queuing */
#define SATA_HOST_PWR_MGMT	0x0200	/* power management (host) */
    uint16_t	atap_sata_reserved;	/* 77: reserved */
    uint16_t	atap_sata_features_supp;/* 78: SATA features supported */
#define SATA_NONZERO_OFFSETS	0x0002	/* non-zero buffer offsets */
#define SATA_DMA_SETUP_AUTO	0x0004	/* DMA setup auto-activate */
#define SATA_DRIVE_PWR_MGMT	0x0008	/* power management (device) */
    uint16_t	atap_sata_features_en;	/* 79: SATA features enabled */
    uint16_t	atap_ata_major;		/* 80: Major version number */
#define WDC_VER_ATA1	0x0002
#define WDC_VER_ATA2	0x0004
#define WDC_VER_ATA3	0x0008
#define WDC_VER_ATA4	0x0010
#define WDC_VER_ATA5	0x0020
#define WDC_VER_ATA6	0x0040
#define WDC_VER_ATA7	0x0080
#define WDC_VER_ATA8	0x0100
#define WDC_VER_ATA9	0x0200
#define WDC_VER_ATA10	0x0400
#define WDC_VER_ATA11	0x0800
#define WDC_VER_ATA12	0x1000
#define WDC_VER_ATA13	0x2000
#define WDC_VER_ATA14	0x4000
    uint16_t	atap_ata_minor;		/* 81: Minor version number */
    uint16_t	atap_cmd_set1;		/* 82: command set supported */
#define WDC_CMD1_NOP	0x4000
#define WDC_CMD1_RB	0x2000
#define WDC_CMD1_WB	0x1000
#define WDC_CMD1_HPA	0x0400
#define WDC_CMD1_DVRST	0x0200
#define WDC_CMD1_SRV	0x0100
#define WDC_CMD1_RLSE	0x0080
#define WDC_CMD1_AHEAD	0x0040
#define WDC_CMD1_CACHE	0x0020
#define WDC_CMD1_PKT	0x0010
#define WDC_CMD1_PM	0x0008
#define WDC_CMD1_REMOV	0x0004
#define WDC_CMD1_SEC	0x0002
#define WDC_CMD1_SMART	0x0001
    uint16_t	atap_cmd_set2;		/* 83: command set supported */
#define ATAPI_CMD2_FCE	0x2000 /* Flush Cache Ext supported */
#define ATAPI_CMD2_FC	0x1000 /* Flush Cache supported */
#define ATAPI_CMD2_DCO	0x0800 /* Device Configuration Overlay supported */
#define ATAPI_CMD2_48AD	0x0400 /* 48bit address supported */
#define ATAPI_CMD2_AAM	0x0200 /* Automatic Acoustic Management supported */
#define ATAPI_CMD2_SM	0x0100 /* Set Max security extension supported */
#define ATAPI_CMD2_SF	0x0040 /* Set Features subcommand required */
#define ATAPI_CMD2_PUIS	0x0020 /* Power up in standby supported */
#define WDC_CMD2_RMSN	0x0010
#define ATA_CMD2_APM	0x0008
#define ATA_CMD2_CFA	0x0004
#define ATA_CMD2_RWQ	0x0002
#define WDC_CMD2_DM	0x0001 /* Download Microcode supported */
    uint16_t	atap_cmd_ext;		/* 84: command/features supp. ext. */
#define ATAPI_CMDE_MSER	0x0004 /* Media serial number supported */
#define ATAPI_CMDE_TEST	0x0002 /* SMART self-test supported */
#define ATAPI_CMDE_SLOG	0x0001 /* SMART error logging supported */
    uint16_t	atap_cmd1_en;		/* 85: cmd/features enabled */
/* bits are the same as atap_cmd_set1 */
    uint16_t	atap_cmd2_en;		/* 86: cmd/features enabled */
/* bits are the same as atap_cmd_set2 */
    uint16_t	atap_cmd_def;		/* 87: cmd/features default */
/* bits are NOT the same as atap_cmd_ext */
#if ATA_BYTE_ORDER == LITTLE_ENDIAN
    uint8_t	atap_udmamode_supp;	/* 88: Ultra-DMA mode supported */
    uint8_t	atap_udmamode_act;	/*     Ultra-DMA mode active */
#else
    uint8_t	atap_udmamode_act;	/*     Ultra-DMA mode active */
    uint8_t	atap_udmamode_supp;	/* 88: Ultra-DMA mode supported */
#endif
/* 89-92 are ATA-only */
    uint16_t	atap_seu_time;		/* 89: Sec. Erase Unit compl. time */
    uint16_t	atap_eseu_time;		/* 90: Enhanced SEU compl. time */
    uint16_t	atap_apm_val;		/* 91: current APM value */
    uint16_t	atap_mpasswd_rev;	/* 92: Master Password revision */
    uint16_t	atap_hwreset_res;	/* 93: Hardware reset value */
#define ATA_HWRES_CBLID    0x2000  /* CBLID above Vih */
#define ATA_HWRES_D1_PDIAG 0x0800  /* Device 1 PDIAG detect OK */
#define ATA_HWRES_D1_CSEL  0x0400  /* Device 1 used CSEL for address */
#define ATA_HWRES_D1_JUMP  0x0200  /* Device 1 jumpered to address */
#define ATA_HWRES_D0_SEL   0x0040  /* Device 0 responds when Dev 1 selected */
#define ATA_HWRES_D0_DASP  0x0020  /* Device 0 DASP detect OK */
#define ATA_HWRES_D0_PDIAG 0x0010  /* Device 0 PDIAG detect OK */
#define ATA_HWRES_D0_DIAG  0x0008  /* Device 0 diag OK */
#define ATA_HWRES_D0_CSEL  0x0004  /* Device 0 used CSEL for address */
#define ATA_HWRES_D0_JUMP  0x0002  /* Device 0 jumpered to address */
#if ATA_BYTE_ORDER == LITTLE_ENDIAN
    uint8_t	atap_acoustic_val;	/* 94: Current acoustic level */
    uint8_t	atap_acoustic_def;	/*     recommended level */
#else
    uint8_t	atap_acoustic_def;	/*     recommended level */
    uint8_t	atap_acoustic_val;	/* 94: Current acoustic level */
#endif
    uint16_t	__reserved6[5];		/* 95-99: reserved */
    uint16_t	atap_max_lba[4];	/* 100-103: Max. user LBA add */
    uint16_t	__reserved7[23];	/* 104-126: reserved */
    uint16_t	atap_rmsn_supp;		/* 127: remov. media status notif. */
#define WDC_RMSN_SUPP_MASK 0x0003
#define WDC_RMSN_SUPP 0x0001
    uint16_t	atap_sec_st;		/* 128: security status */
#define WDC_SEC_LEV_MAX	0x0100
#define WDC_SEC_ESE_SUPP 0x0020
#define WDC_SEC_EXP	0x0010
#define WDC_SEC_FROZEN	0x0008
#define WDC_SEC_LOCKED	0x0004
#define WDC_SEC_EN	0x0002
#define WDC_SEC_SUPP	0x0001
    uint16_t	__reserved8[31];	/* 129-159: vendor specific */
    uint16_t	atap_cfa_power;		/* 160: CFA powermode */
#define ATAPI_CFA_MAX_MASK  0x0FFF
#define ATAPI_CFA_MODE1_DIS 0x1000 /* CFA Mode 1 Disabled */
#define ATAPI_CFA_MODE1_REQ 0x2000 /* CFA Mode 1 Required */
#define ATAPI_CFA_WORD160   0x8000 /* Word 160 supported */
    uint16_t	__reserved9[15];	/* 161-175: reserved for CFA */
    uint8_t	atap_media_serial[60];	/* 176-205: media serial number */
    uint16_t	__reserved10[49];	/* 206-254: reserved */
#if ATA_BYTE_ORDER == LITTLE_ENDIAN
    uint8_t	atap_signature;		/* 255: Signature */
    uint8_t	atap_checksum;		/*      Checksum */
#else
    uint8_t	atap_checksum;		/*      Checksum */
    uint8_t	atap_signature;		/* 255: Signature */
#endif
};

#undef ATA_BYTE_ORDER
#endif	/* !_DEV_ATA_ATAREG_H_ */