rlreg.h

Macros

RLDA_BITS         X
RLDA_GS           X
RLDA_RESET        X
RLDA_RW_HSEL      X
RLDA_SEEKHI       X
RLDA_SEEKLO       X
RLDA_SEEK_HSEL    X
RLMP_BC           X
RLMP_BH           X
RLMP_BITS         X
RLMP_CO           X
RLMP_DSE          X
RLMP_DTYP         X
RLMP_HCE          X
RLMP_HO           X
RLMP_HSEL         X
RLMP_LCKON        X
RLMP_LH           X
RLMP_LOAD         X
RLMP_SD           X
RLMP_SEEK         X
RLMP_SPE          X
RLMP_STIMO        X
RLMP_SU           X
RLMP_UH           X
RLMP_VCHK         X
RLMP_WDE          X
RLMP_WGE          X
RLMP_WLE          X
RL_BITS           X
RL_CERR           X
RL_CRC            X
RL_CRDY           X
RL_DLHNF          X
RL_DRE            X
RL_GETSTATUS      X
RL_HARDERR        X
RL_IE             X
RL_NOP            X
RL_NXM            X
RL_OPI            X
RL_RCOM           X
RL_RHDR           X
RL_RWHCHK         X
RL_SEEK           X
RL_WCHK           X
RL_WCOM           X

struct's

rldevice          X

   1: struct  rldevice
   2: {
   3:     short   rlcs;
   4:     caddr_t rlba;
   5:     short   rlda;
   6:     short   rlmp;
   7: };
   8: 
   9: /* bits in rlcs */
  10: #define RL_CERR     0100000     /* composite error */
  11: #define RL_DRE      0040000     /* drive error */
  12: #define RL_NXM      0020000     /* nonexistent memory */
  13: #define RL_DLHNF    0010000     /* data late or header not found */
  14: #define RL_CRC      0004000     /* data crc or header check or write check */
  15: #define RL_OPI      0002000     /* operation incomplete */
  16: /* bits 9-8 are drive select */
  17: #define RL_CRDY     0000200     /* controller ready */
  18: #define RL_IE       0000100     /* interrupt enable */
  19: /* bits 5-4 are the UNIBUS address extension bits */
  20: /* bits 3-0 is the function code */
  21: #define RL_HARDERR  (RL_NXM|RL_DLHNF|RL_CRC|RL_OPI)
  22: 
  23: /* commands */
  24: #define RL_NOP      0000000     /* no operation */
  25: #define RL_WCHK     0000002     /* write check data */
  26: #define RL_GETSTATUS    0000004     /* get status */
  27: #define RL_SEEK     0000006     /* seek */
  28: #define RL_RHDR     0000010     /* read header */
  29: #define RL_WCOM     0000012     /* write data */
  30: #define RL_RCOM     0000014     /* read data */
  31: #define RL_RWHCHK   0000016     /* read data without header check */
  32: 
  33: #define RL_BITS     \
  34: "\10\20CERR\17DRE\16NXM\15DLHNF\14CRC\13OPI\10CRDY\7IE"
  35: 
  36: /* bits in rlda:  just be thankful there's a one to one correspondence */
  37: #define RLDA_RW_HSEL    0000100     /* head select during read or write */
  38: #define RLDA_SEEK_HSEL  0000020     /* head select during seek*/
  39: #define RLDA_RESET  0000011     /* reset during get status */
  40: #define RLDA_SEEKHI 0000005     /* seek to higher address */
  41: #define RLDA_SEEKLO 0000001     /* seek to lower address */
  42: #define RLDA_GS     0000003     /* get status */
  43: 
  44: #define RLDA_BITS   \
  45: "\10\7RW_HSEL\5SEEK_HSEL\4GS_RESET\3SEEK_DIR"
  46: 
  47: /* bits in rlmp */
  48: #define RLMP_WDE    0100000     /* write data error */
  49: #define RLMP_HCE    0040000     /* head current error */
  50: #define RLMP_WLE    0020000     /* write lock */
  51: #define RLMP_STIMO  0010000     /* seek timeout */
  52: #define RLMP_SPE    0004000     /* spin error */
  53: #define RLMP_WGE    0002000     /* write gate error */
  54: #define RLMP_VCHK   0001000     /* volume check */
  55: #define RLMP_DSE    0000400     /* drive select error */
  56: #define RLMP_DTYP   0000200     /* drive type:  0 == RL01, 1 == RL02 */
  57: #define RLMP_HSEL   0000100     /* head select */
  58: #define RLMP_CO     0000040     /* cover open */
  59: #define RLMP_HO     0000020     /* heads out */
  60: #define RLMP_BH     0000010     /* brush home */
  61: /* bits 2-0 are the state */
  62: 
  63: /* status bits */
  64: #define RLMP_LOAD   0000000     /* load cartridge */
  65: #define RLMP_SU     0000001     /* spin up */
  66: #define RLMP_BC     0000002     /* brush cycle */
  67: #define RLMP_LH     0000003     /* load heads */
  68: #define RLMP_SEEK   0000004     /* seek */
  69: #define RLMP_LCKON  0000005     /* lock on */
  70: #define RLMP_UH     0000006     /* unload heads */
  71: #define RLMP_SD     0000007     /* spin down */
  72: 
  73: #define RLMP_BITS   \
  74: "\10\20WDE\17HCE\16WLE\15STIMO\14SPE\13WGE\12VCHK\11DSE\10DTYP\
  75: \7HSEL\6CO\5HO\4BH"