drivers/scsi/aha152x.h

/* */
   1 #ifndef _AHA152X_H
   2 #define _AHA152X_H
   3 
   4 /*
   5  * $Id: aha152x.h,v 1.12 1995/12/07 01:03:48 fischer Exp fischer $
   6  */
   7 
   8 #if defined(__KERNEL__)
   9 
  10 #include <linux/blk.h>
  11 #include "scsi.h"
  12 #include <asm/io.h>
  13 
  14 int        aha152x_detect(Scsi_Host_Template *);
  15 int        aha152x_command(Scsi_Cmnd *);
  16 int        aha152x_queue(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
  17 int        aha152x_abort(Scsi_Cmnd *);
  18 int        aha152x_reset(Scsi_Cmnd *);
  19 int        aha152x_biosparam(Disk *, kdev_t, int*);
  20 int aha152x_proc_info(char *buffer, char **start, off_t offset, int length, int hostno, int inout);
  21 
  22 /* number of queueable commands
  23    (unless we support more than 1 cmd_per_lun this should do) */
  24 #define AHA152X_MAXQUEUE        7               
  25 
  26 #define AHA152X_REVID "Adaptec 152x SCSI driver; $Revision: 1.12 $"
  27 
  28 extern struct proc_dir_entry proc_scsi_aha152x;
  29 
  30 /* Initial value of Scsi_Host entry */
  31 #define AHA152X       { /* next */              NULL,                       \
  32                         /* usage_count */       NULL,                       \
  33                         /* proc_dir */          &proc_scsi_aha152x,         \
  34                         /* proc_info */         aha152x_proc_info,          \
  35                         /* name */              AHA152X_REVID,              \
  36                         /* detect */            aha152x_detect,             \
  37                         /* release */           NULL,                       \
  38                         /* info */              NULL,                       \
  39                         /* command */           aha152x_command,            \
  40                         /* queuecommand */      aha152x_queue,              \
  41                         /* abort */             aha152x_abort,              \
  42                         /* reset */             aha152x_reset,              \
  43                         /* slave_attach */      /* NULL */  0,              \
  44                         /* bios_param */        aha152x_biosparam,          \
  45                         /* can_queue */         1,                          \
  46                         /* this_id */           7,                          \
  47                         /* sg_tablesize */      SG_ALL,                     \
  48                         /* cmd_per_lun */       1,                          \
  49                         /* present */           0,                          \
  50                         /* unchecked_isa_dma */ 0,                          \
  51                         /* use_clustering */    DISABLE_CLUSTERING }
  52 #endif
  53 
  54 
  55 /* port addresses */
  56 #define SCSISEQ         (shpnt->io_port+0x00)   /* SCSI sequence control */
  57 #define SXFRCTL0        (shpnt->io_port+0x01)   /* SCSI transfer control 0 */
  58 #define SXFRCTL1        (shpnt->io_port+0x02)   /* SCSI transfer control 1 */
  59 #define SCSISIG         (shpnt->io_port+0x03)   /* SCSI signal in/out */
  60 #define SCSIRATE        (shpnt->io_port+0x04)   /* SCSI rate control */
  61 #define SELID           (shpnt->io_port+0x05)   /* selection/reselection ID */
  62 #define SCSIID          SELID                   /* SCSI ID */
  63 #define SCSIDAT         (shpnt->io_port+0x06)   /* SCSI latched data */
  64 #define SCSIBUS         (shpnt->io_port+0x07)   /* SCSI data bus */
  65 #define STCNT0          (shpnt->io_port+0x08)   /* SCSI transfer count 0 */
  66 #define STCNT1          (shpnt->io_port+0x09)   /* SCSI transfer count 1 */
  67 #define STCNT2          (shpnt->io_port+0x0a)   /* SCSI transfer count 2 */
  68 #define SSTAT0          (shpnt->io_port+0x0b)   /* SCSI interrupt status 0 */
  69 #define SSTAT1          (shpnt->io_port+0x0c)   /* SCSI interrupt status 1 */
  70 #define SSTAT2          (shpnt->io_port+0x0d)   /* SCSI interrupt status 2 */
  71 #define SCSITEST        (shpnt->io_port+0x0e)   /* SCSI test control */
  72 #define SSTAT3          SCSITEST                /* SCSI interrupt status 3 */
  73 #define SSTAT4          (shpnt->io_port+0x0f)   /* SCSI status 4 */
  74 #define SIMODE0         (shpnt->io_port+0x10)   /* SCSI interrupt mode 0 */
  75 #define SIMODE1         (shpnt->io_port+0x11)   /* SCSI interrupt mode 1 */
  76 #define DMACNTRL0       (shpnt->io_port+0x12)   /* DMA control 0 */
  77 #define DMACNTRL1       (shpnt->io_port+0x13)   /* DMA control 1 */
  78 #define DMASTAT         (shpnt->io_port+0x14)   /* DMA status */
  79 #define FIFOSTAT        (shpnt->io_port+0x15)   /* FIFO status */
  80 #define DATAPORT        (shpnt->io_port+0x16)   /* DATA port */
  81 #define BRSTCNTRL       (shpnt->io_port+0x18)   /* burst control */
  82 #define PORTA           (shpnt->io_port+0x1a)   /* PORT A */
  83 #define PORTB           (shpnt->io_port+0x1b)   /* PORT B */
  84 #define REV             (shpnt->io_port+0x1c)   /* revision */
  85 #define STACK           (shpnt->io_port+0x1d)   /* stack */
  86 #define TEST            (shpnt->io_port+0x1e)   /* test register */
  87 
  88 /* used in aha152x_porttest */
  89 #define O_PORTA         (0x1a)                  /* PORT A */
  90 #define O_PORTB         (0x1b)                  /* PORT B */
  91 #define O_DMACNTRL1     (0x13)                  /* DMA control 1 */
  92 #define O_STACK         (0x1d)                  /* stack */
  93 #define IO_RANGE        0x20
  94 
  95 /* bits and bitmasks to ports */
  96 
  97 /* SCSI sequence control */
  98 #define TEMODEO         0x80
  99 #define ENSELO          0x40
 100 #define ENSELI          0x20
 101 #define ENRESELI        0x10
 102 #define ENAUTOATNO      0x08
 103 #define ENAUTOATNI      0x04
 104 #define ENAUTOATNP      0x02
 105 #define SCSIRSTO        0x01
 106 
 107 /* SCSI transfer control 0 */
 108 #define SCSIEN          0x80
 109 #define DMAEN           0x40
 110 #define CH1             0x20
 111 #define CLRSTCNT        0x10
 112 #define SPIOEN          0x08
 113 #define CLRCH1          0x02
 114 
 115 /* SCSI transfer control 1 */
 116 #define BITBUCKET       0x80
 117 #define SWRAPEN         0x40
 118 #define ENSPCHK         0x20
 119 #define STIMESEL        0x18    /* mask */
 120 #define STIMESEL_       3
 121 #define ENSTIMER        0x04
 122 #define BYTEALIGN       0x02
 123 
 124 /* SCSI signal IN */
 125 #define CDI             0x80
 126 #define IOI             0x40
 127 #define MSGI            0x20
 128 #define ATNI            0x10
 129 #define SELI            0x08
 130 #define BSYI            0x04
 131 #define REQI            0x02
 132 #define ACKI            0x01
 133 
 134 /* SCSI Phases */
 135 #define P_MASK          (MSGI|CDI|IOI)
 136 #define P_DATAO         (0)
 137 #define P_DATAI         (IOI)
 138 #define P_CMD           (CDI)
 139 #define P_STATUS        (CDI|IOI)
 140 #define P_MSGO          (MSGI|CDI)
 141 #define P_MSGI          (MSGI|CDI|IOI)
 142 
 143 /* SCSI signal OUT */
 144 #define CDO             0x80
 145 #define IOO             0x40
 146 #define MSGO            0x20
 147 #define ATNO            0x10
 148 #define SELO            0x08
 149 #define BSYO            0x04
 150 #define REQO            0x02
 151 #define ACKO            0x01
 152 
 153 /* SCSI rate control */
 154 #define SXFR            0x70    /* mask */
 155 #define SXFR_           4
 156 #define SOFS            0x0f    /* mask */
 157 
 158 /* SCSI ID */
 159 #define OID             0x70
 160 #define OID_            4
 161 #define TID             0x07
 162 
 163 /* SCSI transfer count */
 164 #define GETSTCNT()   ( (GETPORT(STCNT2)<<16) \
 165                      + (GETPORT(STCNT1)<< 8) \
 166                      + GETPORT(STCNT0) )
 167 
 168 #define SETSTCNT(X)  { SETPORT(STCNT2, ((X) & 0xFF0000) >> 16); \
 169                        SETPORT(STCNT1, ((X) & 0x00FF00) >>  8); \
 170                        SETPORT(STCNT0, ((X) & 0x0000FF) ); }
 171 
 172 /* SCSI interrupt status */
 173 #define TARGET          0x80
 174 #define SELDO           0x40
 175 #define SELDI           0x20
 176 #define SELINGO         0x10
 177 #define SWRAP           0x08
 178 #define SDONE           0x04
 179 #define SPIORDY         0x02
 180 #define DMADONE         0x01
 181 
 182 #define SETSDONE        0x80
 183 #define CLRSELDO        0x40
 184 #define CLRSELDI        0x20
 185 #define CLRSELINGO      0x10
 186 #define CLRSWRAP        0x08
 187 #define CLRSDONE        0x04
 188 #define CLRSPIORDY      0x02
 189 #define CLRDMADONE      0x01
 190 
 191 /* SCSI status 1 */
 192 #define SELTO           0x80
 193 #define ATNTARG         0x40
 194 #define SCSIRSTI        0x20
 195 #define PHASEMIS        0x10
 196 #define BUSFREE         0x08
 197 #define SCSIPERR        0x04
 198 #define PHASECHG        0x02
 199 #define REQINIT         0x01
 200 
 201 #define CLRSELTIMO      0x80
 202 #define CLRATNO         0x40
 203 #define CLRSCSIRSTI     0x20
 204 #define CLRBUSFREE      0x08
 205 #define CLRSCSIPERR     0x04
 206 #define CLRPHASECHG     0x02
 207 #define CLRREQINIT      0x01
 208 
 209 /* SCSI status 2 */
 210 #define SOFFSET         0x20
 211 #define SEMPTY          0x10
 212 #define SFULL           0x08
 213 #define SFCNT           0x07    /* mask */
 214 
 215 /* SCSI status 3 */
 216 #define SCSICNT         0xf0    /* mask */
 217 #define SCSICNT_        4
 218 #define OFFCNT          0x0f    /* mask */
 219 
 220 /* SCSI TEST control */
 221 #define SCTESTU         0x08
 222 #define SCTESTD         0x04
 223 #define STCTEST         0x01
 224 
 225 /* SCSI status 4 */
 226 #define SYNCERR         0x04
 227 #define FWERR           0x02
 228 #define FRERR           0x01
 229 
 230 #define CLRSYNCERR      0x04
 231 #define CLRFWERR        0x02
 232 #define CLRFRERR        0x01
 233 
 234 /* SCSI interrupt mode 0 */
 235 #define ENSELDO         0x40
 236 #define ENSELDI         0x20
 237 #define ENSELINGO       0x10
 238 #define ENSWRAP         0x08
 239 #define ENSDONE         0x04
 240 #define ENSPIORDY       0x02
 241 #define ENDMADONE       0x01
 242 
 243 /* SCSI interrupt mode 1 */
 244 #define ENSELTIMO       0x80
 245 #define ENATNTARG       0x40
 246 #define ENSCSIRST       0x20
 247 #define ENPHASEMIS      0x10
 248 #define ENBUSFREE       0x08
 249 #define ENSCSIPERR      0x04
 250 #define ENPHASECHG      0x02
 251 #define ENREQINIT       0x01
 252 
 253 /* DMA control 0 */
 254 #define ENDMA           0x80
 255 #define _8BIT           0x40
 256 #define DMA             0x20
 257 #define WRITE_READ      0x08
 258 #define INTEN           0x04
 259 #define RSTFIFO         0x02
 260 #define SWINT           0x01
 261 
 262 /* DMA control 1 */
 263 #define PWRDWN          0x80
 264 #define STK             0x07    /* mask */
 265 
 266 /* DMA status */
 267 #define ATDONE          0x80
 268 #define WORDRDY         0x40
 269 #define INTSTAT         0x20
 270 #define DFIFOFULL       0x10
 271 #define DFIFOEMP        0x08
 272 
 273 /* BURST control */
 274 #define BON             0xf0
 275 #define BOFF            0x0f
 276 
 277 /* TEST REGISTER */
 278 #define BOFFTMR         0x40
 279 #define BONTMR          0x20
 280 #define STCNTH          0x10
 281 #define STCNTM          0x08
 282 #define STCNTL          0x04
 283 #define SCSIBLK         0x02
 284 #define DMABLK          0x01
 285 
 286 /* On the AHA-152x board PORTA and PORTB contain
 287    some information about the board's configuration. */
 288 typedef union {
 289   struct {
 290     unsigned reserved:2;        /* reserved */
 291     unsigned tardisc:1;         /* Target disconnect: 0=disabled, 1=enabled */
 292     unsigned syncneg:1;         /* Initial sync neg: 0=disabled, 1=enabled */
 293     unsigned msgclasses:2;      /* Message classes
 294                                    0=#4
 295                                    1=#0, #1, #2, #3, #4
 296                                    2=#0, #3, #4
 297                                    3=#0, #4
 298                                 */
 299     unsigned boot:1;            /* boot: 0=disabled, 1=enabled */
 300     unsigned dma:1;             /* Transfer mode: 0=PIO; 1=DMA */
 301     unsigned id:3;              /* SCSI-id */
 302     unsigned irq:2;             /* IRQ-Channel: 0,3=12, 1=10, 2=11 */
 303     unsigned dmachan:2;         /* DMA-Channel: 0=0, 1=5, 2=6, 3=7 */
 304     unsigned parity:1;          /* SCSI-parity: 1=enabled 0=disabled */
 305   } fields;
 306   unsigned short port;
 307 } aha152x_config ;
 308 
 309 #define cf_parity       fields.parity
 310 #define cf_dmachan      fields.dmachan
 311 #define cf_irq          fields.irq
 312 #define cf_id           fields.id
 313 #define cf_dma          fields.dma
 314 #define cf_boot         fields.boot
 315 #define cf_msgclasses   fields.msgclasses
 316 #define cf_syncneg      fields.syncneg
 317 #define cf_tardisc      fields.tardisc
 318 #define cf_port         port
 319 
 320 /* Some macros to manipulate ports and their bits */
 321 
 322 #define SETPORT(PORT, VAL)      \
 323         outb( (VAL), (PORT) )
 324 
 325 #define SETPORTP(PORT, VAL)     \
 326         outb_p( (VAL), (PORT) )
 327 
 328 #define SETPORTW(PORT, VAL)     \
 329         outw( (VAL), (PORT) )
 330 
 331 #define GETPORT(PORT)   \
 332         inb( PORT )
 333 
 334 #define GETPORTW(PORT)  \
 335         inw( PORT )
 336 
 337 #define SETBITS(PORT, BITS)     \
 338         outb( (inb(PORT) | (BITS)), (PORT) )
 339 
 340 #define CLRBITS(PORT, BITS)     \
 341         outb( (inb(PORT) & ~(BITS)), (PORT) )
 342 
 343 #define CLRSETBITS(PORT, CLR, SET)      \
 344         outb( (inb(PORT) & ~(CLR)) | (SET) , (PORT) )
 345 
 346 #define TESTHI(PORT, BITS)      \
 347         ((inb(PORT) & (BITS)) == BITS)
 348 
 349 #define TESTLO(PORT, BITS)      \
 350         ((inb(PORT) & (BITS)) == 0)
 351 
 352 #ifdef DEBUG_AHA152X
 353 enum {
 354         debug_skipports =0x0001,
 355         debug_queue     =0x0002,
 356         debug_intr      =0x0004,
 357         debug_selection =0x0008,
 358         debug_msgo      =0x0010,
 359         debug_msgi      =0x0020,
 360         debug_status    =0x0040,
 361         debug_cmd       =0x0080,
 362         debug_datai     =0x0100,
 363         debug_datao     =0x0200,
 364         debug_abort     =0x0400,
 365         debug_done      =0x0800,
 366         debug_biosparam =0x1000,
 367         debug_phases    =0x2000,
 368         debug_queues    =0x4000,
 369         debug_reset     =0x8000,
 370 };
 371 #endif
 372 
 373 #endif /* _AHA152X_H */
/* */
root/drivers/scsi/aha152x.h

INCLUDED FROM
