xref: /csrg-svn/sys/tahoe/stand/cyvar.h (revision 49431)
1*49431Sbostic /*-
2*49431Sbostic  * Copyright (c) 1991 The Regents of the University of California.
3*49431Sbostic  * All rights reserved.
4*49431Sbostic  *
5*49431Sbostic  * This code is derived from software contributed to Berkeley by
6*49431Sbostic  * Computer Consoles Inc.
7*49431Sbostic  *
8*49431Sbostic  * %sccs.include.proprietary.c%
9*49431Sbostic  *
10*49431Sbostic  *	@(#)cyvar.h	1.3 (Berkeley) 05/08/91
11*49431Sbostic  */
1225862Ssam 
1325862Ssam #define TM_ATTENTION(addr,x) 	movob(addr,x)	/* also known as: GO */
1425862Ssam 
1525862Ssam #define TM_RESET(addr,x) TM_ATTENTION((addr+1),x) /* reset controller */
1625862Ssam #define TM_SHORT(x)	(short)((((x) >> 8) & 0xff) + (((x) << 8) & 0xff00))
1725862Ssam 
1825862Ssam #define GATE_OPEN			(char)(0x00)
1925862Ssam #define GATE_CLOSED			(char)(0xFF)
2025862Ssam 
2125862Ssam #define b_repcnt  b_bcount
2225862Ssam #define b_command b_resid
2325862Ssam 
2425862Ssam /* Group. I Control status/commands */
2525862Ssam #define CONFIG	(0x00000000L)	/* configure */
2625862Ssam #define SET_PA	(0x08000000L)	/* set page */
2725862Ssam #define NO_OP	(0x20000000L)	/* no operation */
2825862Ssam #define DRIVE_S	(0x28000000L)	/* drive status */
2925862Ssam #define TAPE_AS	(0x74000000L)	/* tape assign */
3025862Ssam #define DRIVE_R	(0x90000000L)	/* drive reset */
3125862Ssam 
3225862Ssam /* Group. II Tape position commands */
3325862Ssam #define REWD_OV	(0x04000000L)	/* rewind overlapped */
3425862Ssam #define READ_FO	(0x1C000000L)	/* read foreign tape */
3525862Ssam #define REWD_TA	(0x34000000L)	/* rewind tape */
3625862Ssam #define OFF_UNL	(0x38000000L)	/* off_line and unload */
3725862Ssam #define WRIT_FM	(0x40000000L)	/* write filemark */
3825862Ssam #define SERH_FM	(0x44000000L)	/* search filemark */
3925862Ssam #define SRFM_FD	(0x44000000L)	/* search filemark forward */
4025862Ssam #define SRFM_BK	(0xC4000000L)	/* search filemark backward */
4125862Ssam #define SPACE	(0x48000000L)	/* skip record */
4225862Ssam #define SP_FORW	(0x48000000L)	/* space forward */
4325862Ssam #define SP_BACK	(0xC8000000L)	/* space backwords */
4425862Ssam #define ERASE_F	(0x4C000000L)	/* erase fixed length */
4525862Ssam #define ERASE_T	(0x50000000L)	/* erase to end of tape */
4625862Ssam #define SPAC_FM	(0x70000000L)	/* space filemark */
4725862Ssam #define SERH_MU	(0x94000000L)	/* search multiple filemarks */
4825862Ssam 
4925862Ssam /* Group. III Data transfer commands */
5025862Ssam #define READ_BU	(0x10000000L)	/* read buffered */
5125862Ssam #define WRIT_BU	(0x14000000L)	/* write buffered */
5225862Ssam #define EDIT_BU	(0x18000000L)	/* edit buffered */
5325862Ssam #define READ_TA	(0x2C000000L)	/* read tape */
5425862Ssam #define WRIT_TA	(0x30000000L)	/* write tape */
5525862Ssam #define EDIT_TA	(0x3C000000L)	/* edit tape */
5625862Ssam #define READ_ST	(0x60000000L)	/* read streaming */
5725862Ssam #define WRIT_ST	(0x64000000L)	/* write streaming */
5825862Ssam 
5925862Ssam /* Group. IV Special commands */
6025862Ssam #define EXCHANG	(0x0C000000L)	/* exchange system and tapemaster RAM */
6125862Ssam #define BLOCK_M	(0x80000000L)	/* block move */
6225862Ssam 
6325862Ssam /* Group. V Diagnostic commands */
6425862Ssam #define TEST_SH	(0x54000000L)	/* short memory test */
6525862Ssam #define TEST_LG	(0x58000000L)	/* long memory test */
6625862Ssam #define TEST_CN	(0x5C000000L)	/* controller confidence test */
6725862Ssam #define TEST_RW	(0x68000000L)	/* test read/write timeing */
6825862Ssam /* Control byte[0] bit assignments */
6925862Ssam #define CW_TSm	(0x0C)	/* tape select mask, 2 bit field */
7025862Ssam #define CW_TSs	(2)	/* tape select shift, 2 bit field <<shift */
7125862Ssam #define CW_M	(0x10)	/* mailbox flag */
7225862Ssam #define CW_I	(0x20)	/* interrupt flag */
7325862Ssam #define CW_L	(0x40)	/* link flag */
7425862Ssam #define CW_BL	(0x80)	/* bus lock flag */
7525862Ssam 
7625862Ssam /* Control byte[1] bit assignments */
7725862Ssam #define CW_BS	(0x01)	/* bank select */
7825862Ssam #define CW_R	(0x04)	/* reverse flag */
7925862Ssam #define CW_SD	(0x08)	/* speed/density */
8025862Ssam #define CW_25ips	(0x00)	/* 25 inches per second speed */
8125862Ssam #define CW_100ips	(0x08)	/* 100 inches per second speed */
8225862Ssam #define CW_C	(0x10)	/* continuous */
8325862Ssam #define CW_W	(0x80)	/* width */
8425862Ssam #define CW_8bits	(0x00)	/* width 8 bits */
8525862Ssam #define CW_16bits	(0x80)	/* width 16 bits */
8625862Ssam 
8725862Ssam /* status byte[0] bit assignements */
8825862Ssam #define CS_P	(0x02)	/* Protected, no write ring */
8925862Ssam #define CS_FB	(0x04)	/* formatter busy */
9025862Ssam #define CS_DR	(0x08)	/* drive ready */
9125862Ssam #define CS_EOT	(0x10)	/* end of tape detected */
9225862Ssam #define CS_LP	(0x20)	/* tape is at load point */
9325862Ssam #define CS_OL	(0x40)	/* drive on_line */
9425862Ssam #define CS_FM	(0x80)	/* Filemark detected */
9525862Ssam 
9625862Ssam /* status byte[1] bit assignements */
9725862Ssam #define CS_ERm	(0x1F)	/* Command (Error) mask */
9825862Ssam #define CS_CR	(0x20)	/* Command (Retry) */
9925862Ssam #define CS_CC	(0x40)	/* Command (Complete) */
10025862Ssam #define CS_CE	(0x80)	/* Command (Entered) */
10125862Ssam 
10225862Ssam /* block move control byte[0] bit assignments */
10325862Ssam #define BM_SI	(0x01)	/* increment source address */
10425862Ssam #define BM_SW	(0x02)	/* source width */
10525862Ssam #define BM_DI	(0x04)	/* increment destination address */
10625862Ssam #define BM_DW	(0x08)	/* destination width */
10725862Ssam #define BM_M	(0x10)	/* mailbox flag */
10825862Ssam #define BM_I	(0x20)	/* interrupt flag */
10925862Ssam #define BM_L	(0x40)	/* link flag */
11025862Ssam #define BM_BL	(0x80)	/* bus lock flag */
11125862Ssam 
11225862Ssam /* block move control byte[1] bit assignments */
11325862Ssam #define BM_T	(0x01)	/* translate flag */
11425862Ssam #define BM_S	(0x02)	/* search flag */
11525862Ssam #define BM_NC	(0x04)	/* non_compare flag */
11625862Ssam #define BM_TH	(0x08)	/* throttle flag */
11725862Ssam #define BM_SL	(0x10)	/* source local flag */
11825862Ssam #define BM_DL	(0x20)	/* destination local flag */
11925862Ssam 
12025862Ssam /* block move status bit assignments */
12125862Ssam #define BS_ERm	(0x1F)	/* Command (Error) mask */
12225862Ssam #define BS_HIT	(0x20)	/* found match during search */
12325862Ssam #define BS_CC	(0x40)	/* Command (Complete) */
12425862Ssam #define BS_CE	(0x80)	/* Command (Entered) */
12525862Ssam /* SC_ERROR & BM_ERROR codes */
12625862Ssam #define ER_NONE	(0x00)		/* no error */
12725862Ssam #define ER_TO1	(0x01)		/* timed out data busy false */
12825862Ssam #define ER_TO2	(0x02)		/* data busy false,formatter,ready */
12925862Ssam #define ER_TO3	(0x03)		/* time out ready busy false */
13025862Ssam #define ER_TO4	(0x04)		/* time out ready busy true */
13125862Ssam #define ER_TO5	(0x05)		/* time out data busy true */
13225862Ssam #define ER_TO6	(0x06)		/* time out memory */
13325862Ssam #define ER_BLAN	(0X07)		/* blank tape */
13425862Ssam #define ER_DIAG	(0x08)		/* micro-diagnostic */
13525862Ssam #define ER_END	(0x09)		/* EOT forward, BOT rev. */
13625862Ssam #define ER_HARD	(0x0A)		/* retry unsuccessful */
13725862Ssam #define ER_FIFO	(0x0B)		/* FIFO over/under flow */
13825862Ssam /*		(0x0C)		/* Not used */
13925862Ssam #define ER_PARI	(0x0D)		/* drive to tapemaster parity error */
14025862Ssam #define ER_PSUM	(0x0E)		/* prom checksum */
14125862Ssam #define ER_TOF	(0x0F)		/* time out tape strobe */
14225862Ssam #define ER_TRN	(0x10)		/* tape not ready */
14325862Ssam #define ER_PRO	(0x11)		/* write, no enable ring */
14425862Ssam /*		(0x12)		/* Not used */
14525862Ssam #define ER_JUMP	(0x13)		/* missing diagnostic jumper */
14625862Ssam #define ER_BLIN	(0x14)		/* bad link, link inappropriate */
14725862Ssam #define ER_FMAR	(0x15)		/* unexpected filemark */
14825862Ssam #define ER_PARA	(0x16)		/* bad parameter, byte count ? */
14925862Ssam /*		(0x17)		/* Not used */
15025862Ssam #define ER_ER	(0x18)		/* unidentified hardware error */
15125862Ssam #define ER_STER	(0x19)		/* streaming terminated */
152