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1.1 root 1: /*
2: * Mach Operating System
3: * Copyright (c) 1993,1991,1990,1989 Carnegie Mellon University
4: * All Rights Reserved.
5: *
6: * Permission to use, copy, modify and distribute this software and its
7: * documentation is hereby granted, provided that both the copyright
8: * notice and this permission notice appear in all copies of the
9: * software, derivative works or modified versions, and any portions
10: * thereof, and that both notices appear in supporting documentation.
11: *
12: * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
13: * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
14: * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
15: *
16: * Carnegie Mellon requests users of this software to return to
17: *
18: * Software Distribution Coordinator or [email protected]
19: * School of Computer Science
20: * Carnegie Mellon University
21: * Pittsburgh PA 15213-3890
22: *
23: * any improvements or extensions that they make and grant Carnegie Mellon
24: * the rights to redistribute these changes.
25: */
26: /*
27: Copyright 1988, 1989 by Intel Corporation, Santa Clara, California.
28:
29: All Rights Reserved
30:
31: Permission to use, copy, modify, and distribute this software and
32: its documentation for any purpose and without fee is hereby
33: granted, provided that the above copyright notice appears in all
34: copies and that both the copyright notice and this permission notice
35: appear in supporting documentation, and that the name of Intel
36: not be used in advertising or publicity pertaining to distribution
37: of the software without specific, written prior permission.
38:
39: INTEL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
40: INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
41: IN NO EVENT SHALL INTEL BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
42: CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
43: LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
44: NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
45: WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
46: */
47:
48: /* Copyright (c) 1987, 1988 TOSHIBA Corp. */
49: /* All Rights Reserved */
50:
51: #ident "@(#)m765.h 1.13 - 88/02/17"
52:
53: /*******************************************************************
54: *
55: * Toshiba Floppy Driver for UNIX System V R3
56: *
57: * June 21, 1988
58: *
59: * Intended Drive Units:
60: * Worldwide - Model No. ND-356 3.5" unformatted 2MB/1MB
61: * UNIX Media Type Name: 2HD512/2DD512/2D512/1D512.
62: *
63: * In Japan Only - Model No. ND-355 3.5" unformatted 1.6MB/1MB
64: * UNIX Media Type Name: 2HC1024/2HC512/2HC256/2DD512/2D512/1D512.
65: *
66: * Worldwide - Model No. ND-04DT-A 5.25" unformatted 500 KB
67: * UNIX Media Type Name: 2D512/1D512.
68: *
69: * In Japan Only - Model No. ND-08DE 5.25" unformatted 1.6MB/1MB
70: * UNIX Media Type Name: 2HC1024/2HC512/2HC256/2DD512/2D512/1D512.
71: *
72: * Use with other devices may require modification.
73: *
74: * Notes:
75: * For further detail regarding drive units contact
76: * Toshiba America,Inc. Disk Products Division,
77: * Irvine, CA (714) 583-3000.
78: *
79: *******************************************************************/
80:
81: /*
82: * fdcmd.c_rbmtr
83: *
84: * |--+--+--+--+--+--+--+--|
85: * | | | | | | | | |
86: * |--+--+--+--+--+--+--+--|
87: * ^ ^ ^ ^
88: * | | | |--- unit0 motor on flag
89: * | | |------ unit1 motor on flag
90: * | |--------------- unit0 recalibrate flag
91: * |------------------ unit1 recalibrate flag
92: */
93: #define MTRMASK 0x003 /* mask motor_flag for get status */
94: #define MTRRST 0x0fc /* reset motor_flag data */
95: #define RBSHIFT 0x004 /* shift count for recalibrate data */
96: #define RBRST 0x0cf /* reset recalibrate data */
97:
98: /*
99: * fdcmd.c_intr
100: *
101: * |--+--+--+--+--+--+--+--|
102: * | | | | | | | | |
103: * |--+--+--+--+--+--+--+--|
104: * ^ ^ ^ ^ ^ ^ ^ ^
105: * reserved --+ | | | | | | +--- read/write flag
106: * reserved -----+ | | | | +------ seek flag
107: * reserved --------+ | | +------ seek flag for retry
108: * recalibrate/seek flag(for open) ----------+ +--------- recalibrate flag
109: */
110: #define RWFLAG 0x001
111: #define SKFLAG 0x002
112: #define SKEFLAG 0x004
113: #define RBFLAG 0x008
114: #define WUPFLAG 0x010
115: #define CMDRST 0x000
116:
117: /*
118: * fddrtab.dr_type
119: *
120: * +---+---+---+---+---+---+---+---+
121: * | | | | | | | | |
122: * +---+---+---+---+---+---+---+---+
123: * ^ ^ ^ ^ ^
124: * | | | | |----------- rapid seek flag
125: * |---| | | 0: normal seek
126: * | | | 1: rapid seek
127: * | | |--------------- detect format
128: * | | 0: no detect
129: * | | 1: format type OK
130: * | |------------------- 40 or 80 cylinder(for 2hc/2dd drive)
131: * | 0: 80 cylinder
132: * | 1: 40 cylinder
133: * |------------------------- transfer rate(for read/write/format)
134: * 00: 500kbps 10: 250kbps
135: * 01: 300kbps 11: reserved
136: */
137: #define RPSEEK 0x00 /* rapid seek */
138: #define RAPID 0x08 /* rapid seek flag */
139: #define OKTYPE 0x10 /* media change flag */
140: #define DOUBLE 0x20 /* double/single step change */
141: #define NMSEEK 0x80 /* normal seek */
142: #define RATEMASK 0xc0 /* transfer parameter mask data */
143:
144: /*
145: * device number
146: *
147: * 15 10 9 8 7 0
148: * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
149: * | 0 0 0 0 0 0 0 1| | 0| 0| 0| 0| |
150: * +-----------+-----+-----+--+--+--+--+-----------+
151: * ^ ^ ^ ^ ^ ^
152: * |____________________| |__| |__|
153: * | | |
154: * | | |- media type
155: * major number | 0: 3.50" 720 KB
156: * |- unit number 1: 3.50" 1.44 Meg
157: * 2: 5.25" 360 KB
158: * 3: 5.25" 1.20 Meg
159: */
160: #define UNIT(dev) ((dev & 0xc0)>>6) /* get unit number */
161: #define MEDIATYPE(dev) (dev & 0x03) /* get media type */
162: /*****************************************************************************
163:
164: wait time / timeout count
165:
166: *****************************************************************************/
167: #define STSCHKCNT 0x2800 /* For check status */
168: #define ITOUT HZ*5 /* interrupt timeout count */
169: #define TOUT HZ/4 /* media type check timeout count */
170: #define MTRSTOP HZ*2 /* motor off time */
171: #define SEEKWAIT HZ/100*3 /* head_lock time */
172:
173: /******************************************************************************
174:
175: define for FDC
176:
177: ******************************************************************************/
178: /* FDC register */
179: #define CTRLREG(ADDR) (ADDR) /* controle register */
180: #define STSREG(ADDR) ((ADDR)+2) /* status register */
181: #define DATAREG(ADDR) ((ADDR)+3) /* data register */
182: #define VFOREG(ADDR) ((ADDR)+5) /* vfo register */
183:
184: /* CTRLREG flags */
185: #define FDC_RST 0x04
186: #define MTR_ON 0x04
187: #define DMAREQ 0x08
188: #define RDY 0x40
189: #define BSY 0x80
190:
191: /* status for command_out */
192: #define FD_OSTS 0x00 /* For output check */
193: #define FD_ISTS 0x40 /* For input check */
194: #define DTOCPU 0x40
195: #define DATAOK 0x80
196:
197: /* Command for FDC */
198: #define SPCCMD 0x03 /* Specify command */
199: #define RBCMD 0x07 /* Recalibrate command */
200: #define SISCMD 0x08 /* Sense interrupt status command */
201: #define SEEKCMD 0x0f /* seek command */
202: #define RDM 0xe6 /* FDC READ command */
203: #define RDMV 0x42e6 /* VERIFY READ command */
204: #define WTM 0xc5 /* FDC WRITE command */
205: #define FMTM 0x4d /* FDC FORMAT command */
206: #define FMTDATA 0x5e /* format data */
207:
208: /* check value */
209: #define OPENBIT 0x80 /* VFO check define */
210: #define BYTEMASK 0xff
211:
212: /* FDC error code define */
213: #define ERROR 0xff
214: #define EBBHARD 128
215: #define EBBSOFT 129
216: #define ST0AT 0x40
217: #define ST0IC 0x80
218: #define ST0OK 0xc0
219: #define ADDRERR 0x01
220: #define WTPRT 0x02
221: #define NOREC 0x03
222: #define OVERRUN 0x04
223: #define CRCERR 0x05
224: #define FDCERR 0x06
225: #define TIMEOUT 0x08
226: #define DOORERR 0x09
227:
228: /******************************************************************************
229:
230: define for DMA
231:
232: *****************************************************************************/
233: /* DMA register */
234: #define DMACMD1 0x08 /* DMA #1 command register */
235: #define DMAMSK1 0x0f /* DMA #1 all mask register */
236: #define DMABPFF 0x0c
237: #define DMAMODE 0x0b
238: #define DMAADDR 0x04
239: #define DMAPAGE 0x81
240: #define DMACNT 0x05
241: #define DMAMSK 0x0a
242:
243: /* dma set data */
244: #define DMARD 0x46 /* DMA read mode */
245: #define DMAWT 0x4a /* DMA write mode */
246: #define DMAVRF 0x42 /* DMA verify mode */
247:
248: #define DMADATA0 0x00 /* DMA #2 all mask data */
249: #define DMADATA1 0x0b /* DMA #1 all mask data */
250: #define CHANNEL2 0x02
251:
252: #define SRTHUT 0xdf
253: #define HLTND 0x02
254: #define DTL 0xff
255:
256: /******************************************************************************
257:
258: etc. define
259:
260: *****************************************************************************/
261: #define SPL spl5 /* Same as in i386at/autoconf.c */
262: #define MAXUNIT 4 /* Max unit number */
263: #define BLKSIZE 512 /* block size */
264:
265: /* fdcmd.c_stsflag */
266: #define MTRFLAG 0x01
267: #define MTROFF 0x02
268: #define INTROUT 0x04
269:
270: /* fdcmd.c_devflag (media check flag . etc.) */
271: #define FDMCHK 0x01
272: #define FDWAIT 0x02
273: #define STRCHK 0x04
274: #define STRWAIT 0x08
275:
276: /* fdcmd.c_dcount */
277: #define FDCCNT 9 /* Command table for read/write/format (FDC) */
278: #define RWCNT 9 /* Read/Write command count */
279: #define FMTCNT 6 /* format command count */
280:
281: struct fdcmd {
282: int c_rbmtr; /* moter & rcalibrate flag */
283: int c_intr; /* intr flag */
284: int c_stsflag; /* moter flag */
285: int c_mtrid; /* motor off queue id */
286: int c_timeid; /* interrupt timeout id */
287: int c_devflag; /* device status */
288: int c_dcount; /* Read/Write/Format data count */
289: int c_rwdata[FDCCNT]; /* Read/Write/Format cmd (FDC) */
290: int c_saddr; /* cmd seek address */
291: };
292:
293: /* fdmbuf.b_rberr/fdmbuf.b_seekerr/fdmbuf.b_rwerr */
294: #define MEDIARD 0x01
295: #define MEDIASEEK 0x01
296: #define SRETRY 0x03
297: #define MRETRY 0x30
298: #define LRETRY 0x300
299: #define SRMASK 0x0f
300: #define MRMASK 0xf0
301: #define RMRMASK 0xff0
302: #define LRMASK 0xf00
303: #define MINC 0x10
304: #define LINC 0x100
305:
306: struct ctrl_info {
307: struct unit_info *b_unitf; /* first buffer for this dev */
308: struct unit_info *b_uip; /* like b_unit */
309: struct unit_info *b_wup; /* unit to wake up when WUPFLAG */
310: short b_rberr; /* rb error count (for recovery) */
311: short b_seekerr; /* seek error count (for recovery) */
312: short b_rwerr; /* r/w error count (for recovery) */
313: short b_status; /* error status */
314: struct buf *b_buf; /* set bp address */
315: caddr_t b_xferaddr; /* trasfer address */
316: unsigned int b_xfercount; /* total transfer count */
317: unsigned int b_xferdma; /* dma transfer count */
318: int usebuf; /* use private dma page */
319: caddr_t b_vbuf; /* virtual address for dma page */
320: vm_offset_t b_pbuf; /* physical dma page (model_dep.c) */
321: daddr_t b_sector; /* read/write sector */
322: struct fdcmd b_cmd; /* set command table address */
323: };
324:
325: #define FMTID 4
326: struct fmttbl {
327: unsigned char cyl;
328: unsigned char head;
329: unsigned char sector;
330: unsigned char s_type;
331: };
332:
333: struct fddrtab {
334: u_short dr_ncyl; /* cylinder count */
335: u_short dr_spc; /* actual sectors/cylinder */
336: daddr_t p_nsec; /* disk length (sector count) */
337: char dr_nsec; /* sector per track */
338: char dr_type; /* media type */
339: char dr_rwgpl; /* Read / Write Gap length */
340: char dr_fgpl; /* Format Gap length */
341: };
342:
343: struct unit_info {
344: struct unit_info *b_unitf; /* next slave */
345: struct buf *av_forw; /* head of I/O queue (b_forw) */
346: int b_seekaddr; /* cylinder address */
347: u_short addr;
348: struct fddrtab d_drtab; /* floppy disk parameter */
349: struct bus_device *dev;
350: struct fdcmd *b_cmd; /* set command table address */
351: char wakeme; /* set if someone wants to be woken */
352: };
353:
354: #define HZ 100 /* 100 ticks/second of the clock */
355: #define NBPSCTR 512 /* Bytes per LOGICAL disk sector */
356: /* These should be added to
357: "sys/param.h". */
358: #define PAGESIZ 4096
359: #ifdef MACH_KERNEL
360: #define PZERO 25
361: #define PRIBIO 20
362:
363: #define B_VERIFY IO_SPARE_START
364: #define B_FORMAT (IO_SPARE_START << 1)
365:
366: #define b_pfcent io_mode
367:
368: #endif MACH_KERNEL
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