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1.1 root 1: /*-
2: * Copyright (c) 1991 The Regents of the University of California.
3: * All rights reserved.
4: *
5: * This code is derived from software contributed to Berkeley by
6: * William Jolitz.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by the University of
19: * California, Berkeley and its contributors.
20: * 4. Neither the name of the University nor the names of its contributors
21: * may be used to endorse or promote products derived from this software
22: * without specific prior written permission.
23: *
24: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34: * SUCH DAMAGE.
35: *
1.1.1.3 ! root 36: * from: @(#)wdreg.h 7.1 (Berkeley) 5/9/91
! 37: * wdreg.h,v 1.2 1993/05/22 08:01:47 cgd Exp
1.1 root 38: */
39:
40: /*
41: * Disk Controller register definitions.
42: */
43: #define wd_data 0x0 /* data register (R/W - 16 bits) */
44: #define wd_error 0x1 /* error register (R) */
45: #define wd_precomp wd_error /* write precompensation (W) */
46: #define wd_seccnt 0x2 /* sector count (R/W) */
47: #define wd_sector 0x3 /* first sector number (R/W) */
48: #define wd_cyl_lo 0x4 /* cylinder address, low byte (R/W) */
49: #define wd_cyl_hi 0x5 /* cylinder address, high byte (R/W)*/
50: #define wd_sdh 0x6 /* sector size/drive/head (R/W)*/
51: #define wd_command 0x7 /* command register (W) */
52: #define wd_status wd_command /* immediate status (R) */
53:
54: #define wd_altsts 0x206 /*alternate fixed disk status(via 1015) (R)*/
55: #define wd_ctlr 0x206 /*fixed disk controller control(via 1015) (W)*/
1.1.1.2 root 56: #define WDCTL_4BIT 0x8 /* use four head bits (wd1003) */
57: #define WDCTL_RST 0x4 /* reset the controller */
58: #define WDCTL_IDS 0x2 /* disable controller interrupts */
1.1 root 59: #define wd_digin 0x207 /* disk controller input(via 1015) (R)*/
60:
61: /*
62: * Status Bits.
63: */
64: #define WDCS_BUSY 0x80 /* Controller busy bit. */
65: #define WDCS_READY 0x40 /* Selected drive is ready */
66: #define WDCS_WRTFLT 0x20 /* Write fault */
67: #define WDCS_SEEKCMPLT 0x10 /* Seek complete */
68: #define WDCS_DRQ 0x08 /* Data request bit. */
69: #define WDCS_ECCCOR 0x04 /* ECC correction made in data */
70: #define WDCS_INDEX 0x02 /* Index pulse from selected drive */
71: #define WDCS_ERR 0x01 /* Error detect bit. */
72:
73: #define WDCS_BITS "\020\010busy\006rdy\006wrtflt\005seekdone\004drq\003ecc_cor\002index\001err"
74:
75: #define WDERR_BITS "\020\010badblk\007uncorr\006id_crc\005no_id\003abort\002tr000\001no_dam"
76:
77: /*
78: * Commands for Disk Controller.
79: */
1.1.1.2 root 80: #define WDCC_RESTORE 0x10 /* disk restore code -- resets cntlr */
81:
1.1 root 82: #define WDCC_READ 0x20 /* disk read code */
83: #define WDCC_WRITE 0x30 /* disk write code */
1.1.1.2 root 84: #define WDCC__LONG 0x02 /* modifier -- access ecc bytes */
85: #define WDCC__NORETRY 0x01 /* modifier -- no retrys */
86:
1.1 root 87: #define WDCC_FORMAT 0x50 /* disk format code */
1.1.1.2 root 88: #define WDCC_DIAGNOSE 0x90 /* controller diagnostic */
89: #define WDCC_IDC 0x91 /* initialize drive command */
90:
91: #define WDCC_EXTDCMD 0xE0 /* send extended command */
92: #define WDCC_READP 0xEC /* read parameters from controller */
93: #define WDCC_CACHEC 0xEF /* cache control */
1.1 root 94:
95: #define WD_STEP 0 /* winchester- default 35us step */
96:
97: #define WDSD_IBM 0xa0 /* forced to 512 byte sector, ecc */
98:
1.1.1.2 root 99:
100: #ifdef KERNEL
101: /*
102: * read parameters command returns this:
103: */
104: struct wdparams {
105: /* drive info */
106: short wdp_config; /* general configuration */
107: short wdp_fixedcyl; /* number of non-removable cylinders */
108: short wdp_removcyl; /* number of removable cylinders */
109: short wdp_heads; /* number of heads */
110: short wdp_unfbytespertrk; /* number of unformatted bytes/track */
111: short wdp_unfbytes; /* number of unformatted bytes/sector */
112: short wdp_sectors; /* number of sectors */
113: short wdp_minisg; /* minimum bytes in inter-sector gap*/
114: short wdp_minplo; /* minimum bytes in postamble */
115: short wdp_vendstat; /* number of words of vendor status */
116: /* controller info */
117: char wdp_cnsn[20]; /* controller serial number */
118: short wdp_cntype; /* controller type */
119: #define WDTYPE_SINGLEPORTSECTOR 1 /* single port, single sector buffer */
120: #define WDTYPE_DUALPORTMULTI 2 /* dual port, multiple sector buffer */
121: #define WDTYPE_DUALPORTMULTICACHE 3 /* above plus track cache */
122: short wdp_cnsbsz; /* sector buffer size, in sectors */
123: short wdp_necc; /* ecc bytes appended */
124: char wdp_rev[8]; /* firmware revision */
125: char wdp_model[40]; /* model name */
126: short wdp_nsecperint; /* sectors per interrupt */
127: short wdp_usedmovsd; /* can use double word read/write? */
128: };
129:
130: /*
131: * wd driver entry points
132: */
133: int wdprobe(struct isa_device *);
134: int wdattach(struct isa_device *);
135: int wdstrategy(struct buf *);
136: void wdintr(struct intrframe);
137: int wdopen(dev_t, int, int, struct proc *);
138: int wdclose(dev_t dev, int flags, int fmt);
139: int wdioctl(dev_t, int, caddr_t, int);
140: /* int wdformat(struct buf *bp); */
141: int wdsize(dev_t);
142: int wddump(dev_t);
143:
144: #endif KERNEL
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