[unix-history] / sys / h / rkreg.h

/*	rkreg.h	4.2	81/05/09	*/

#define NRK7CYL 	815
#define	NRK6CYL		411
#define NRKSECT		22
#define NRKTRK		3

struct rkdevice
{
	short	rkcs1;		/* control status reg 1 */
	short	rkwc;		/* word count */
	u_short	rkba;		/* bus address */
	short	rkda;		/* disk address */
	short	rkcs2;		/* control status reg 2 */
	short	rkds;		/* drive status */
	short	rker;		/* driver error register */
	short	rkatt;		/* attention status/offset register */
	short	rkcyl;		/* current cylinder register */
	short	rkxxx;
	short	rkdb;		/* data buffer register */
	short	rkmr1;		/* maint reg 1 */
	short	rkec1;		/* burst error bit position */
	short	rkec2;		/* burst error bit pattern */
	short	rkmr2;		/* maint reg 2 */
	short	rkmr3;		/* maint reg 3 */
};

/* rkcs1 */
#define RK_CCLR		0100000		/* controller clear (also error) */
#define	RK_CERR		RK_CCLR
#define	RK_DI		0040000		/* drive interrupt */
#define	RK_DTCPAR	0020000		/* drive to controller parity */
#define	RK_CFMT		0010000		/* 18 bit word format */
#define	RK_CTO		0004000		/* controller timeout */
#define	RK_CDT		0002000		/* drive type (rk07/rk06) */
/* bits 8 and 9 are the extended bus address */
#define	RK_CRDY		0000200		/* controller ready */
#define	RK_IE		0000100		/* interrupt enable */
/* bits 1 to 4 are the function code */
#define	RK_GO		0000001

/* commands */
#define RK_SELECT	000		/* select drive */
#define RK_PACK		002		/* pack acknowledge */
#define RK_DCLR		004		/* drive clear */
#define	RK_UNLOAD	006		/* unload */
#define	RK_START	010		/* start spindle */
#define	RK_RECAL	012		/* recalibrate */
#define	RK_OFFSET	014		/* offset */
#define	RK_SEEK		016		/* seek */
#define	RK_READ		020		/* read data */
#define	RK_WRITE	022		/* write data */
#define	RK_RHDR		026		/* read header */
#define	RK_WHDR		030		/* write header */

/* rkcs2 */
#define	RKCS2_DLT	0100000		/* data late */
#define	RKCS2_WCE	0040000		/* write check */
#define	RKCS2_UPE	0020000		/* unibus parity */
#define	RKCS2_NED	0010000		/* non-existant drive */
#define	RKCS2_NEM	0004000		/* non-existant memory */
#define	RKCS2_PGE	0002000		/* programming error */
#define	RKCS2_MDS	0001000		/* multiple drive select */
#define	RKCS2_UFE	0000400		/* unit field error */
#define	RKCS2_OR	0000200		/* output ready */
#define	RKCS2_IR	0000100		/* input ready */
#define	RKCS2_SCLR	0000040		/* subsystem clear */
#define	RKCS2_BAI	0000020		/* bus address increment inhibit */
#define	RKCS2_RLS	0000010		/* release */
/* bits 0-2 are drive select */

#define	RKCS2_BITS \
"\10\20DLT\17WCE\16UPE\15NED\14NEM\13PGE\12MDS\11UFE\
\10OR\7IR\6SCLR\5BAI\4RLS"

#define	RKCS2_HARD		(RKCS2_NED|RKCS2_PGE)

/* rkds */
#define	RKDS_SVAL	0100000		/* status valid */
#define	RKDS_CDA	0040000		/* current drive attention */
#define	RKDS_PIP	0020000		/* positioning in progress */
/* bit 12 is spare */
#define	RKDS_WRL	0004000		/* write lock */
/* bits 9 and 10 are spare */
#define	RKDS_DDT	0000400		/* disk drive type */
#define	RKDS_DRDY	0000200		/* drive ready */
#define	RKDS_VV		0000100		/* volume valid */
#define	RKDS_DROT	0000040		/* drive off track */
#define	RKDS_SPLS	0000020		/* speed loss */
#define	RKDS_ACLO	0000010		/* ac low */
#define	RKDS_OFF	0000004		/* offset mode */
#define	RKDS_DRA	0000001		/* drive available */

#define	RKDS_DREADY	(RKDS_DRA|RKDS_VV|RKDS_DRDY)
#define	RKDS_BITS \
"\10\20SVAL\17CDA\16PIP\14WRL\11DDT\
\10DRDY\7VV\6DROT\5SPLS\4ACLO\3OFF\1DRA"
#define	RKDS_HARD	(RKDS_ACLO|RKDS_SPLS)

/* rker */
#define	RKER_DCK	0100000		/* data check */
#define	RKER_UNS	0040000		/* drive unsafe */
#define	RKER_OPI	0020000		/* operation incomplete */
#define	RKER_DTE	0010000		/* drive timing error */
#define	RKER_WLE	0004000		/* write lock error */
#define	RKER_IDAE	0002000		/* invalid disk address error */
#define	RKER_COE	0001000		/* cylinder overflow error */
#define	RKER_HRVC	0000400		/* header vertical redundancy check */
#define	RKER_BSE	0000200		/* bad sector error */
#define	RKER_ECH	0000100		/* hard ecc error */
#define	RKER_DTYE	0000040		/* drive type error */
#define	RKER_FMTE	0000020		/* format error */
#define	RKER_DRPAR	0000010		/* control-to-drive parity error */
#define	RKER_NXF	0000004		/* non-executable function */
#define	RKER_SKI	0000002		/* seek incomplete */
#define	RKER_ILF		0000001		/* illegal function */

#define	RKER_BITS \
"\10\20DCK\17UNS\16OPI\15DTE\14WLE\13IDAE\12COE\11HRVC\
\10BSE\7ECH\6DTYE\5FMTE\4DRPAR\3NXF\2SKI\1ILF"
#define	RKER_HARD	\
	(RKER_WLE|RKER_IDAE|RKER_COE|RKER_DTYE|RKER_FMTE|RKER_ILF)

/* offset bits in rkas */
#define	RKAS_P400	0020		/*  +400 RK06,  +200 RK07 */
#define	RKAS_M400	0220		/*  -400 RK06,  -200 RK07 */
#define	RKAS_P800	0040		/*  +800 RK06,  +400 RK07 */
#define	RKAS_M800	0240		/*  -800 RK06,  -400 RK07 */
#define	RKAS_P1200	0060		/*  +800 RK06,  +400 RK07 */
#define	RKAS_M1200	0260		/* -1200 RK06, -1200 RK07 */
Commit	Line	Data
7d76ea58 C	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 */