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1.1 root 1: /* rkreg.h 4.2 81/05/09 */
2:
3: #define NRK7CYL 815
4: #define NRK6CYL 411
5: #define NRKSECT 22
6: #define NRKTRK 3
7:
8: struct rkdevice
9: {
10: short rkcs1; /* control status reg 1 */
11: short rkwc; /* word count */
12: u_short rkba; /* bus address */
13: short rkda; /* disk address */
14: short rkcs2; /* control status reg 2 */
15: short rkds; /* drive status */
16: short rker; /* driver error register */
17: short rkatt; /* attention status/offset register */
18: short rkcyl; /* current cylinder register */
19: short rkxxx;
20: short rkdb; /* data buffer register */
21: short rkmr1; /* maint reg 1 */
22: short rkec1; /* burst error bit position */
23: short rkec2; /* burst error bit pattern */
24: short rkmr2; /* maint reg 2 */
25: short rkmr3; /* maint reg 3 */
26: };
27:
28: /* rkcs1 */
29: #define RK_CCLR 0100000 /* controller clear (also error) */
30: #define RK_CERR RK_CCLR
31: #define RK_DI 0040000 /* drive interrupt */
32: #define RK_DTCPAR 0020000 /* drive to controller parity */
33: #define RK_CFMT 0010000 /* 18 bit word format */
34: #define RK_CTO 0004000 /* controller timeout */
35: #define RK_CDT 0002000 /* drive type (rk07/rk06) */
36: /* bits 8 and 9 are the extended bus address */
37: #define RK_CRDY 0000200 /* controller ready */
38: #define RK_IE 0000100 /* interrupt enable */
39: /* bits 1 to 4 are the function code */
40: #define RK_GO 0000001
41:
42: /* commands */
43: #define RK_SELECT 000 /* select drive */
44: #define RK_PACK 002 /* pack acknowledge */
45: #define RK_DCLR 004 /* drive clear */
46: #define RK_UNLOAD 006 /* unload */
47: #define RK_START 010 /* start spindle */
48: #define RK_RECAL 012 /* recalibrate */
49: #define RK_OFFSET 014 /* offset */
50: #define RK_SEEK 016 /* seek */
51: #define RK_READ 020 /* read data */
52: #define RK_WRITE 022 /* write data */
53: #define RK_RHDR 026 /* read header */
54: #define RK_WHDR 030 /* write header */
55:
56: /* rkcs2 */
57: #define RKCS2_DLT 0100000 /* data late */
58: #define RKCS2_WCE 0040000 /* write check */
59: #define RKCS2_UPE 0020000 /* unibus parity */
60: #define RKCS2_NED 0010000 /* non-existant drive */
61: #define RKCS2_NEM 0004000 /* non-existant memory */
62: #define RKCS2_PGE 0002000 /* programming error */
63: #define RKCS2_MDS 0001000 /* multiple drive select */
64: #define RKCS2_UFE 0000400 /* unit field error */
65: #define RKCS2_OR 0000200 /* output ready */
66: #define RKCS2_IR 0000100 /* input ready */
67: #define RKCS2_SCLR 0000040 /* subsystem clear */
68: #define RKCS2_BAI 0000020 /* bus address increment inhibit */
69: #define RKCS2_RLS 0000010 /* release */
70: /* bits 0-2 are drive select */
71:
72: #define RKCS2_BITS \
73: "\10\20DLT\17WCE\16UPE\15NED\14NEM\13PGE\12MDS\11UFE\
74: \10OR\7IR\6SCLR\5BAI\4RLS"
75:
76: #define RKCS2_HARD (RKCS2_NED|RKCS2_PGE)
77:
78: /* rkds */
79: #define RKDS_SVAL 0100000 /* status valid */
80: #define RKDS_CDA 0040000 /* current drive attention */
81: #define RKDS_PIP 0020000 /* positioning in progress */
82: /* bit 12 is spare */
83: #define RKDS_WRL 0004000 /* write lock */
84: /* bits 9 and 10 are spare */
85: #define RKDS_DDT 0000400 /* disk drive type */
86: #define RKDS_DRDY 0000200 /* drive ready */
87: #define RKDS_VV 0000100 /* volume valid */
88: #define RKDS_DROT 0000040 /* drive off track */
89: #define RKDS_SPLS 0000020 /* speed loss */
90: #define RKDS_ACLO 0000010 /* ac low */
91: #define RKDS_OFF 0000004 /* offset mode */
92: #define RKDS_DRA 0000001 /* drive available */
93:
94: #define RKDS_DREADY (RKDS_DRA|RKDS_VV|RKDS_DRDY)
95: #define RKDS_BITS \
96: "\10\20SVAL\17CDA\16PIP\14WRL\11DDT\
97: \10DRDY\7VV\6DROT\5SPLS\4ACLO\3OFF\1DRA"
98: #define RKDS_HARD (RKDS_ACLO|RKDS_SPLS)
99:
100: /* rker */
101: #define RKER_DCK 0100000 /* data check */
102: #define RKER_UNS 0040000 /* drive unsafe */
103: #define RKER_OPI 0020000 /* operation incomplete */
104: #define RKER_DTE 0010000 /* drive timing error */
105: #define RKER_WLE 0004000 /* write lock error */
106: #define RKER_IDAE 0002000 /* invalid disk address error */
107: #define RKER_COE 0001000 /* cylinder overflow error */
108: #define RKER_HRVC 0000400 /* header vertical redundancy check */
109: #define RKER_BSE 0000200 /* bad sector error */
110: #define RKER_ECH 0000100 /* hard ecc error */
111: #define RKER_DTYE 0000040 /* drive type error */
112: #define RKER_FMTE 0000020 /* format error */
113: #define RKER_DRPAR 0000010 /* control-to-drive parity error */
114: #define RKER_NXF 0000004 /* non-executable function */
115: #define RKER_SKI 0000002 /* seek incomplete */
116: #define RKER_ILF 0000001 /* illegal function */
117:
118: #define RKER_BITS \
119: "\10\20DCK\17UNS\16OPI\15DTE\14WLE\13IDAE\12COE\11HRVC\
120: \10BSE\7ECH\6DTYE\5FMTE\4DRPAR\3NXF\2SKI\1ILF"
121: #define RKER_HARD \
122: (RKER_WLE|RKER_IDAE|RKER_COE|RKER_DTYE|RKER_FMTE|RKER_ILF)
123:
124: /* offset bits in rkas */
125: #define RKAS_P400 0020 /* +400 RK06, +200 RK07 */
126: #define RKAS_M400 0220 /* -400 RK06, -200 RK07 */
127: #define RKAS_P800 0040 /* +800 RK06, +400 RK07 */
128: #define RKAS_M800 0240 /* -800 RK06, -400 RK07 */
129: #define RKAS_P1200 0060 /* +800 RK06, +400 RK07 */
130: #define RKAS_M1200 0260 /* -1200 RK06, -1200 RK07 */
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