Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/i386at/fdreg.h
Version:
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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 Software.Distribution@CS.CMU.EDU 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 * HISTORY 28 * $Log: fdreg.h,v $ 29 * Revision 2.6 93/08/02 21:44:01 mrt 30 * Put the free copyright on this file, again. 31 * [93/07/22 mrt] 32 * 33 * Revision 2.5 93/01/24 13:15:42 danner 34 * Make unit_info.addr a u_short to make inb and friends happy. 35 * [93/01/18 rvb] 36 * 37 * Revision 2.4 91/10/07 17:25:31 af 38 * More mg32 changes 39 * [91/10/07 rvb] 40 * New chips/busses.[ch] nomenclature. 41 * [91/09/09 17:11:55 rvb] 42 * 43 * Synched again with 2.5. 44 * [91/09/04 rvb] 45 * 46 * Revision 2.3 91/05/14 16:23:11 mrt 47 * Correcting copyright 48 * 49 * Revision 2.2 91/02/14 14:42:36 mrt 50 * New, Improved, compatible with new fd.c 51 * [91/01/28 15:33:58 rvb] 52 * 53 * Revision 1.6.1.5 90/11/27 13:44:40 rvb 54 * Synched 2.5 & 3.0 at I386q (r1.6.1.5) & XMK35 (r2.4) 55 * [90/11/15 rvb] 56 * 57 * Revision 1.6.1.4 90/09/18 08:38:29 rvb 58 * Flush setparms from here. 59 * [90/09/08 rvb] 60 * 61 * Revision 2.3 90/08/27 22:01:00 dbg 62 * Flush ushort. 63 * [90/07/17 dbg] 64 * 65 * Revision 1.6.1.3 90/07/27 11:26:42 rvb 66 * Fix Intel Copyright as per B. Davies authorization. 67 * [90/07/27 rvb] 68 * 69 * Revision 2.2 90/05/03 15:45:27 dbg 70 * Change for pure kernel. 71 * [90/04/19 dbg] 72 * 73 * Revision 1.6.1.2 90/01/08 13:30:22 rvb 74 * Add Intel copyright. 75 * [90/01/08 rvb] 76 * 77 * Revision 1.6.1.1 89/10/22 11:34:43 rvb 78 * Received from Intel October 5, 1989. 79 * [89/10/13 rvb] 80 * 81 * Revision 1.6 89/09/25 12:27:00 rvb 82 * Flush B_VERFIY and B_FORMAT 83 * [89/09/23 rvb] 84 * 85 * Revision 1.5 89/09/20 17:29:17 rvb 86 * It bothers me that we are changing a constant here so that 87 * 25 Mhz machines will loop for a full 1msec. There has to be 88 * a way to set cpuspeed once we find out the kind of machine and 89 * clock speed. 90 * [89/09/20 rvb] 91 * 92 * Revision 1.4 89/03/09 20:07:10 rpd 93 * More cleanup. 94 * 95 * Revision 1.3 89/02/26 12:40:12 gm0w 96 * Changes for cleanup. 97 * 98 * 99 */ 100 101 /* 102 Copyright 1988, 1989 by Intel Corporation, Santa Clara, California. 103 104 All Rights Reserved 105 106 Permission to use, copy, modify, and distribute this software and 107 its documentation for any purpose and without fee is hereby 108 granted, provided that the above copyright notice appears in all 109 copies and that both the copyright notice and this permission notice 110 appear in supporting documentation, and that the name of Intel 111 not be used in advertising or publicity pertaining to distribution 112 of the software without specific, written prior permission. 113 114 INTEL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE 115 INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, 116 IN NO EVENT SHALL INTEL BE LIABLE FOR ANY SPECIAL, INDIRECT, OR 117 CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 118 LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT, 119 NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION 120 WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 121 */ 122 123 /* Copyright (c) 1987, 1988 TOSHIBA Corp. */ 124 /* All Rights Reserved */ 125 126 #ident "@(#)m765.h 1.13 - 88/02/17" 127 128 /******************************************************************* 129 * 130 * Toshiba Floppy Driver for UNIX System V R3 131 * 132 * June 21, 1988 133 * 134 * Intended Drive Units: 135 * Worldwide - Model No. ND-356 3.5" unformatted 2MB/1MB 136 * UNIX Media Type Name: 2HD512/2DD512/2D512/1D512. 137 * 138 * In Japan Only - Model No. ND-355 3.5" unformatted 1.6MB/1MB 139 * UNIX Media Type Name: 2HC1024/2HC512/2HC256/2DD512/2D512/1D512. 140 * 141 * Worldwide - Model No. ND-04DT-A 5.25" unformatted 500 KB 142 * UNIX Media Type Name: 2D512/1D512. 143 * 144 * In Japan Only - Model No. ND-08DE 5.25" unformatted 1.6MB/1MB 145 * UNIX Media Type Name: 2HC1024/2HC512/2HC256/2DD512/2D512/1D512. 146 * 147 * Use with other devices may require modification. 148 * 149 * Notes: 150 * For further detail regarding drive units contact 151 * Toshiba America,Inc. Disk Products Division, 152 * Irvine, CA (714) 583-3000. 153 * 154 *******************************************************************/ 155 156 /* 157 * fdcmd.c_rbmtr 158 * 159 * |--+--+--+--+--+--+--+--| 160 * | | | | | | | | | 161 * |--+--+--+--+--+--+--+--| 162 * ^ ^ ^ ^ 163 * | | | |--- unit0 motor on flag 164 * | | |------ unit1 motor on flag 165 * | |--------------- unit0 recalibrate flag 166 * |------------------ unit1 recalibrate flag 167 */ 168 #define MTRMASK 0x003 /* mask motor_flag for get status */ 169 #define MTRRST 0x0fc /* reset motor_flag data */ 170 #define RBSHIFT 0x004 /* shift count for recalibrate data */ 171 #define RBRST 0x0cf /* reset recalibrate data */ 172 173 /* 174 * fdcmd.c_intr 175 * 176 * |--+--+--+--+--+--+--+--| 177 * | | | | | | | | | 178 * |--+--+--+--+--+--+--+--| 179 * ^ ^ ^ ^ ^ ^ ^ ^ 180 * reserved --+ | | | | | | +--- read/write flag 181 * reserved -----+ | | | | +------ seek flag 182 * reserved --------+ | | +------ seek flag for retry 183 * recalibrate/seek flag(for open) ----------+ +--------- recalibrate flag 184 */ 185 #define RWFLAG 0x001 186 #define SKFLAG 0x002 187 #define SKEFLAG 0x004 188 #define RBFLAG 0x008 189 #define WUPFLAG 0x010 190 #define CMDRST 0x000 191 192 /* 193 * fddrtab.dr_type 194 * 195 * +---+---+---+---+---+---+---+---+ 196 * | | | | | | | | | 197 * +---+---+---+---+---+---+---+---+ 198 * ^ ^ ^ ^ ^ 199 * | | | | |----------- rapid seek flag 200 * |---| | | 0: normal seek 201 * | | | 1: rapid seek 202 * | | |--------------- detect format 203 * | | 0: no detect 204 * | | 1: format type OK 205 * | |------------------- 40 or 80 cylinder(for 2hc/2dd drive) 206 * | 0: 80 cylinder 207 * | 1: 40 cylinder 208 * |------------------------- transfer rate(for read/write/format) 209 * 00: 500kbps 10: 250kbps 210 * 01: 300kbps 11: reserved 211 */ 212 #define RPSEEK 0x00 /* rapid seek */ 213 #define RAPID 0x08 /* rapid seek flag */ 214 #define OKTYPE 0x10 /* media change flag */ 215 #define DOUBLE 0x20 /* double/single step change */ 216 #define NMSEEK 0x80 /* normal seek */ 217 #define RATEMASK 0xc0 /* transfer parameter mask data */ 218 219 /* 220 * device number 221 * 222 * 15 10 9 8 7 0 223 * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ 224 * | 0 0 0 0 0 0 0 1| | 0| 0| 0| 0| | 225 * +-----------+-----+-----+--+--+--+--+-----------+ 226 * ^ ^ ^ ^ ^ ^ 227 * |____________________| |__| |__| 228 * | | | 229 * | | |- media type 230 * major number | 0: 3.50" 720 KB 231 * |- unit number 1: 3.50" 1.44 Meg 232 * 2: 5.25" 360 KB 233 * 3: 5.25" 1.20 Meg 234 */ 235 #define UNIT(dev) ((dev & 0xc0)>>6) /* get unit number */ 236 #define MEDIATYPE(dev) (dev & 0x03) /* get media type */ 237 /***************************************************************************** 238 239 wait time / timeout count 240 241 *****************************************************************************/ 242 #define STSCHKCNT 0x2800 /* For check status */ 243 #define ITOUT HZ*5 /* interrupt timeout count */ 244 #define TOUT HZ/4 /* media type check timeout count */ 245 #define MTRSTOP HZ*2 /* motor off time */ 246 #define SEEKWAIT HZ/100*3 /* head_lock time */ 247 248 /****************************************************************************** 249 250 define for FDC 251 252 ******************************************************************************/ 253 /* FDC register */ 254 #define CTRLREG(ADDR) (ADDR) /* controle register */ 255 #define STSREG(ADDR) ((ADDR)+2) /* status register */ 256 #define DATAREG(ADDR) ((ADDR)+3) /* data register */ 257 #define VFOREG(ADDR) ((ADDR)+5) /* vfo register */ 258 259 /* CTRLREG flags */ 260 #define FDC_RST 0x04 261 #define MTR_ON 0x04 262 #define DMAREQ 0x08 263 #define RDY 0x40 264 #define BSY 0x80 265 266 /* status for command_out */ 267 #define FD_OSTS 0x00 /* For output check */ 268 #define FD_ISTS 0x40 /* For input check */ 269 #define DTOCPU 0x40 270 #define DATAOK 0x80 271 272 /* Command for FDC */ 273 #define SPCCMD 0x03 /* Specify command */ 274 #define RBCMD 0x07 /* Recalibrate command */ 275 #define SISCMD 0x08 /* Sense interrupt status command */ 276 #define SEEKCMD 0x0f /* seek command */ 277 #define RDM 0xe6 /* FDC READ command */ 278 #define RDMV 0x42e6 /* VERIFY READ command */ 279 #define WTM 0xc5 /* FDC WRITE command */ 280 #define FMTM 0x4d /* FDC FORMAT command */ 281 #define FMTDATA 0x5e /* format data */ 282 283 /* check value */ 284 #define OPENBIT 0x80 /* VFO check define */ 285 #define BYTEMASK 0xff 286 287 /* FDC error code define */ 288 #define ERROR 0xff 289 #define EBBHARD 128 290 #define EBBSOFT 129 291 #define ST0AT 0x40 292 #define ST0IC 0x80 293 #define ST0OK 0xc0 294 #define ADDRERR 0x01 295 #define WTPRT 0x02 296 #define NOREC 0x03 297 #define OVERRUN 0x04 298 #define CRCERR 0x05 299 #define FDCERR 0x06 300 #define TIMEOUT 0x08 301 #define DOORERR 0x09 302 303 /****************************************************************************** 304 305 define for DMA 306 307 *****************************************************************************/ 308 /* DMA register */ 309 #define DMACMD1 0x08 /* DMA #1 command register */ 310 #define DMAMSK1 0x0f /* DMA #1 all mask register */ 311 #define DMABPFF 0x0c 312 #define DMAMODE 0x0b 313 #define DMAADDR 0x04 314 #define DMAPAGE 0x81 315 #define DMACNT 0x05 316 #define DMAMSK 0x0a 317 318 /* dma set data */ 319 #define DMARD 0x46 /* DMA read mode */ 320 #define DMAWT 0x4a /* DMA write mode */ 321 #define DMAVRF 0x42 /* DMA verify mode */ 322 323 #define DMADATA0 0x00 /* DMA #2 all mask data */ 324 #define DMADATA1 0x0b /* DMA #1 all mask data */ 325 #define CHANNEL2 0x02 326 327 #define SRTHUT 0xdf 328 #define HLTND 0x02 329 #define DTL 0xff 330 331 /****************************************************************************** 332 333 etc. define 334 335 *****************************************************************************/ 336 #define SPL spl5 /* Same as in i386at/autoconf.c */ 337 #define MAXUNIT 4 /* Max unit number */ 338 #define BLKSIZE 512 /* block size */ 339 340 /* fdcmd.c_stsflag */ 341 #define MTRFLAG 0x01 342 #define MTROFF 0x02 343 #define INTROUT 0x04 344 345 /* fdcmd.c_devflag (media check flag . etc.) */ 346 #define FDMCHK 0x01 347 #define FDWAIT 0x02 348 #define STRCHK 0x04 349 #define STRWAIT 0x08 350 351 /* fdcmd.c_dcount */ 352 #define FDCCNT 9 /* Command table for read/write/format (FDC) */ 353 #define RWCNT 9 /* Read/Write command count */ 354 #define FMTCNT 6 /* format command count */ 355 356 struct fdcmd { 357 int c_rbmtr; /* moter & rcalibrate flag */ 358 int c_intr; /* intr flag */ 359 int c_stsflag; /* moter flag */ 360 int c_mtrid; /* motor off queue id */ 361 int c_timeid; /* interrupt timeout id */ 362 int c_devflag; /* device status */ 363 int c_dcount; /* Read/Write/Format data count */ 364 int c_rwdata[FDCCNT]; /* Read/Write/Format cmd (FDC) */ 365 int c_saddr; /* cmd seek address */ 366 }; 367 368 /* fdmbuf.b_rberr/fdmbuf.b_seekerr/fdmbuf.b_rwerr */ 369 #define MEDIARD 0x01 370 #define MEDIASEEK 0x01 371 #define SRETRY 0x03 372 #define MRETRY 0x30 373 #define LRETRY 0x300 374 #define SRMASK 0x0f 375 #define MRMASK 0xf0 376 #define RMRMASK 0xff0 377 #define LRMASK 0xf00 378 #define MINC 0x10 379 #define LINC 0x100 380 381 struct ctrl_info { 382 struct unit_info *b_unitf; /* first buffer for this dev */ 383 struct unit_info *b_uip; /* like b_unit */ 384 struct unit_info *b_wup; /* unit to wake up when WUPFLAG */ 385 short b_rberr; /* rb error count (for recovery) */ 386 short b_seekerr; /* seek error count (for recovery) */ 387 short b_rwerr; /* r/w error count (for recovery) */ 388 short b_status; /* error status */ 389 struct buf *b_buf; /* set bp address */ 390 caddr_t b_xferaddr; /* trasfer address */ 391 unsigned int b_xfercount; /* total transfer count */ 392 unsigned int b_xferdma; /* dma transfer count */ 393 daddr_t b_sector; /* read/write sector */ 394 struct fdcmd b_cmd; /* set command table address */ 395 }; 396 397 #define FMTID 4 398 struct fmttbl { 399 unsigned char cyl; 400 unsigned char head; 401 unsigned char sector; 402 unsigned char s_type; 403 }; 404 405 struct fddrtab { 406 u_short dr_ncyl; /* cylinder count */ 407 u_short dr_spc; /* actual sectors/cylinder */ 408 daddr_t p_nsec; /* disk length (sector count) */ 409 char dr_nsec; /* sector per track */ 410 char dr_type; /* media type */ 411 char dr_rwgpl; /* Read / Write Gap length */ 412 char dr_fgpl; /* Format Gap length */ 413 }; 414 415 struct unit_info { 416 struct unit_info *b_unitf; /* next slave */ 417 struct buf *av_forw; /* head of I/O queue (b_forw) */ 418 int b_seekaddr; /* cylinder address */ 419 u_short addr; 420 struct fddrtab d_drtab; /* floppy disk parameter */ 421 struct bus_device *dev; 422 struct fdcmd *b_cmd; /* set command table address */ 423 char wakeme; /* set if someone wants to be woken */ 424 }; 425 426 #define HZ 100 /* 100 ticks/second of the clock */ 427 #define NBPSCTR 512 /* Bytes per LOGICAL disk sector */ 428 /* These should be added to 429 "sys/param.h". */ 430 #define PAGESIZ 4096 431 #ifdef MACH_KERNEL 432 #define PZERO 25 433 #define PRIBIO 20 434 435 #define B_VERIFY IO_SPARE_START 436 #define B_FORMAT (IO_SPARE_START << 1) 437 438 #define b_pfcent io_mode 439 440 #endif MACH_KERNEL
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