259 lines
11 KiB
C
259 lines
11 KiB
C
/* $NetBSD: tsreg.h,v 1.1 1996/01/06 16:43:47 ragge Exp $ */
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/*
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* Copyright (c) 1995 Ludd, University of Lule}, Sweden.
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* All rights reserved.
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*
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* This code is derived from software contributed to Ludd by
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* Bertram Barth.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed at Ludd, University of
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* Lule}, Sweden and its contributors.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* TSV05 u.g. 5-11:
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*
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* The TSV05 Subsystem has four device registers that occupy only two
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* LSI-11 Bus word locations: a Data Buffer (TSDB), a Bus Address
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* Register (TSBA), a Status Register (TSSR), and an Extended Data
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* Bufffer (TSDBX). The TSDB is an 18-bit register that is ...
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*/
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struct tsdevice {
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unsigned short tsdb;/* Data Buffer (TSDB)/Bus Address Register (TSBA) */
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unsigned short tssr;/* Status Reg. (TSSR)/Extended Data Buffer(TSDBX) */
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};
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/*
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* TSSR Register bit definitions
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*/
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#define TS_SC 0x8000 /* Special Condition */
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#define TS_UPE 0x4000 /* not used in TSV05, UPE in TS11 */
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#define TS_SCE 0x2000 /* Sanity Check Error, SPE in TS11 */
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#define TS_RMR 0x1000 /* Register Modification Refused */
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#define TS_NXM 0x0800 /* Nonexistent Memory */
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#define TS_NBA 0x0400 /* Need Buffer Address */
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#define TS_A11 0x0300 /* Address Bits 17-16 */
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#define TS_SSR 0x0080 /* Subsystem Ready */
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#define TS_OFL 0x0040 /* Off Line */
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#define TS_FTC 0x0030 /* Fatal Termination Class Code */
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#define TS_TC 0x000E /* Termination Class Code */
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#define TS_NU 0x0001 /* Not Used */
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#define TS_TSSR_BITS "\20\20SC\17UPE\16SCE\15RMR\14NXM\13NBA\12A17\11A16" \
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"\10SSR\7OFL\6FTC\5FTC\4FTL\3ERR\2ATTN\1NU"
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/*
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* Termination Codes
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*/
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#define TS_FTC_IDF (0<<4) /* internal diagnostic failure */
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#define TS_FTC_RSVD (1<<4) /* Reserved */
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#define TS_FTC_NU (2<<4) /* Not Used */
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#define TS_FTC_DPD (3<<4) /* Detection of Power Down (not implemented) */
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#define TS_TC_NORM (0<<1) /* Normal Termination */
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#define TS_TC_ATTN (1<<1) /* Attention Condition */
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#define TS_TC_TSA (2<<1) /* Tape status alert */
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#define TS_TC_FR (3<<1) /* Function reject */
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#define TS_TC_TPD (4<<1) /* Tape position is one record down (recov.) */
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#define TS_TC_TNM (5<<1) /* Tape not moved (recoverable) */
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#define TS_TC_TPL (6<<1) /* Tape position lost (unrecoverable) */
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#define TS_TC_FCE (7<<1) /* Fatal Controller Error (see FTC) */
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struct tscmd { /* command packet (not all words required) */
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unsigned short cmdr; /* command word */
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unsigned short cw1; /* low order data pointer address (A15-00) */
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unsigned short cw2; /* high order data pointer address (A21-16) */
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unsigned short cw3; /* count parameter */
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};
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/*
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* Command flags
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*/
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#define TS_CF_ACK (1<<15) /* Acknowledge */
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#define TS_CF_CVC (1<<14) /* Clear Volume Check */
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#define TS_CF_OPP (1<<13) /* Opposite */
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#define TS_CF_SWB (1<<12) /* Swap Bytes */
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#define TS_CF_IE (1<< 7) /* Interrupt Enable */
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#define TS_CF_CMODE 0x0F00 /* Command Mode Field */
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#define TS_CF_CCODE 0x001F /* Command Code (major) */
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#define TS_CF_CMASK 0x0F1F /* mask for complete command */
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#define TS_CMD(cMode,cCode) ((cMode<<8)|cCode)
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#define TS_CC_READ 0x01 /* READ */
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#define TS_CMD_RNF TS_CMD(0,TS_CC_READ) /* Read Next (Forward) */
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#define TS_CMD_RPR TS_CMD(1,TS_CC_READ) /* Read Previous (Reverse) */
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#define TS_CMD_RPF TS_CMD(2,TS_CC_READ) /* Read Previous (Forward) */
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#define TS_CMD_RNR TS_CMD(3,TS_CC_READ) /* Read Next (Reverse) */
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#define TS_CC_WCHAR 0x04 /* WRITE CHARACTERISTICS */
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#define TS_CMD_WCHAR TS_CMD(0,TS_CC_WCHAR) /* Load msg-buffer etc. */
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#define TS_CC_WRITE 0x05 /* WRITE */
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#define TS_CMD_WD TS_CMD(0,TS_CC_WRITE) /* Write Data (Next) */
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#define TS_CMD_WDR TS_CMD(1,TS_CC_WRITE) /* Write Data (Retry) */
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#define TS_CC_WSM 0x06 /* WRITE SUBSYSTEM MEMORY */
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#define TS_CMD_WSM TS_CMD(0,TS_CC_WSM) /* (diagnostics only) */
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#define TS_CC_POS 0x08 /* POSITION */
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#define TS_CMD_SRF TS_CMD(0,TS_CC_POS) /* Space Records Forward */
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#define TS_CMD_SRR TS_CMD(1,TS_CC_POS) /* Space Records Reverse */
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#define TS_CMD_STMF TS_CMD(2,TS_CC_POS) /* Skip Tape Marks Forward */
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#define TS_CMD_STMR TS_CMD(3,TS_CC_POS) /* Skip Tape Marks Reverse */
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#define TS_CMD_RWND TS_CMD(4,TS_CC_POS) /* Rewind */
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#define TS_CC_FRMT 0x09 /* FORMAT */
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#define TS_CMD_WTM TS_CMD(0,TS_CC_FRMT) /* Write Tape Mark */
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#define TS_CMD_ETM TS_CMD(1,TS_CC_FRMT) /* Erase */
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#define TS_CMD_WTMR TS_CMD(2,TS_CC_FRMT) /* Write Tape Mark (Retry) */
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#define TS_CC_CTRL 0x0A /* CONTROL */
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#define TS_CMD_MBR TS_CMD(0,TS_CC_CTRL) /* Message Buffer Release */
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#define TS_CMD_RWUL TS_CMD(1,TS_CC_CTRL) /* Rewind and Unload */
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#define TS_CMD_NOP TS_CMD(2,TS_CC_CTRL) /* NO-OP (TS11: clean tape) */
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#define TS_CMD_RWII TS_CMD(4,TS_CC_CTRL) /* Rewind with intermediate */
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/* interrupt (TS11: N.A.) */
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#define TS_CC_INIT 0x0B /* INITIALIZE */
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#define TS_CMD_INIT TS_CMD(0,TS_CC_INIT) /* Controller/Drive Initial. */
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#define TS_CC_STAT 0x0F /* GET STATUS */
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#define TS_CMD_STAT TS_CMD(0,TS_CC_STAT) /* Get Status (END) */
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struct tsmsg { /* message packet */
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unsigned short hdr; /* ACK, class-code, format 1, message type */
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unsigned short dfl; /* data field length (8 bit) */
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unsigned short rbpcr; /* residual b/r/tm count word */
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unsigned short xst0; /* Extended Status Registers 0-4 */
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unsigned short xst1;
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unsigned short xst2;
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unsigned short xst3;
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unsigned short xst4; /* total size: 16 bytes */
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};
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/*
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* Flags used in write-characteristics command
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*/
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#define TS_WC_ESS (1<<7) /* Enable Skip Tape Marks Stop */
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#define TS_WC_ENB (1<<6) /* Enable Tape Mark Stop at Bot */
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#define TS_WC_EAI (1<<5) /* Enable Attention interrupts */
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#define TS_WC_ERI (1<<4) /* Enable Message Buffer Release interrupts */
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#define TS_WC_HSP (1<<5) /* High Speed Select (25 in/s vs. 100 in/s) */
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/*
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* Status flags
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*
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* Extended Status register 0 (XST0) -- XST0 appears as the fourth word
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* in the message buffer stored by the TSV05 subsystem upon completion of
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* a command or an ATTN
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*/
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#define TS_SF_TMK (1<<15) /* Tape Mark Detected */
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#define TS_SF_RLS (1<<14) /* Record Length Short */
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#define TS_SF_LET (1<<13) /* Logical End of Tape */
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#define TS_SF_RLL (1<<12) /* Record Length Long */
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#define TS_SF_WLE (1<<11) /* Write Lock Error */
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#define TS_SF_NEF (1<<10) /* Nonexecutable Function */
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#define TS_SF_ILC (1<< 9) /* Illegal Command */
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#define TS_SF_ILA (1<< 8) /* Illegal Address */
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#define TS_SF_MOT (1<< 7) /* Motion */
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#define TS_SF_ONL (1<< 6) /* On-Line */
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#define TS_SF_IE (1<< 5) /* Interrupt Enable */
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#define TS_SF_VCK (1<< 4) /* Volume Check */
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#define TS_SF_PED (1<< 3) /* Phase Encoded Drive */
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#define TS_SF_WLK (1<< 2) /* Write Locked */
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#define TS_SF_BOT (1<< 1) /* Beginning of Tape */
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#define TS_SF_EOT (1<< 0) /* End of Tape */
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#define TS_XST0_BITS "\20\20TMK\17RLS\16LET\15RLL\14WLE\13NEF\12ILC\11ILA" \
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"\10MOT\07ONL\06IE \05VCK\04PED\03WLK\02BOT\01EOT"
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/*
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* Extended Status register 1 (XST1) -- XST1 appears as the fifth word
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* in the message buffer stored by the TSV05 subsystem upon completion of
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* a command or an ATTN
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*/
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#define TS_SF_DLT (1<<15) /* Data Late */
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#define TS_SF_COR (1<<13) /* Correctable Data */
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#define TS_SF_CRS (1<<12) /* TS11: Crease Detected */
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#define TS_SF_TIG (1<<11) /* TS11: Trash in Gap */
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#define TS_SF_DBF (1<<10) /* TS11: Desckew Buffer Fail */
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#define TS_SF_SCK (1<< 9) /* TS11: Speed Check */
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#define TS_SF_RBP (1<< 8) /* Read Bus Parity Error */
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#define TS_SF_IPR (1<< 7) /* TS11: Invalid Preamble */
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#define TS_SF_IPO (1<< 6) /* TS11: Invalid Postamble */
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#define TS_SF_SYN (1<< 5) /* TS11: Sync Failure */
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#define TS_SF_IED (1<< 4) /* TS11: Invalid End Data */
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#define TS_SF_POS (1<< 3) /* TS11: Postamble short */
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#define TS_SF_POL (1<< 2) /* TS11: Postamble long */
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#define TS_SF_UNC (1<< 1) /* Uncorrectable Data or Hard Error */
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#define TS_SF_MTE (1<< 0) /* TS11: Multitrack Error */
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#define TS_XST1_BITS "\20\20DLT\16COR\15CRS\14TIG\13DBF\12SCK\11RBP" \
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"\10IPR\07IPO\06SYN\05IED\04POS\03POL\02UNC\01MTE"
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/*
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* Extended Status register 2 (XST2) -- sixth word
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*/
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#define TS_SF_OPM (1<<15) /* Operation in Progress (tape moving) */
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#define TS_SF_RCE (1<<14) /* RAM Checksum Error */
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#define TS_SF_SBP (1<<13) /* TS11: Serial 08 bus parity */
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#define TS_SF_CAF (1<<12) /* TS11: Capstan Acceleration fail */
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#define TS_SF_WCF (1<<10) /* Write Clock Failure */
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#define TS_SF_PDT (1<< 8) /* TS11: Parity Dead Track */
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#define TS_SF_RL 0x00FF /* Revision Level */
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#define TS_SF_EFES (1<< 7) /* extended features enable switch */
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#define TS_SF_BES (1<< 6) /* Buffering enable switch */
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#define TS_SF_MCRL 0x003F /* micro-code revision level */
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#define TS_SF_UNIT 0x0003 /* unit number of selected transport */
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#define TS_XST2_BITS "\20\20OPM\17RCE\16SBP\15CAF\13WCF\11PDT\10EFES\7BES"
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/*
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* Extended Status register 3 (XST3)) -- seventh word
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*/
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#define TS_SF_MDE 0xFF00 /* Micro-Diagnostics Error Code */
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#define TS_SF_LMX (1<< 7) /* TS11: Tension Arm Limit Exceeded */
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#define TS_SF_OPI (1<< 6) /* Operation Incomplete */
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#define TS_SF_REV (1<< 5) /* Revers */
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#define TS_SF_CRF (1<< 4) /* TS11: Capstan Response Failure */
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#define TS_SF_DCK (1<< 3) /* Density Check */
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#define TS_SF_NBE (1<< 2) /* TS11: Noise Bit during Erase */
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#define TS_SF_LSA (1<< 1) /* TS11: Limit Switch Activated */
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#define TS_SF_RIB (1<< 0) /* Reverse into BOT */
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#define TS_XST3_BITS "\20\10LMX\07OPI\06REV\05CRF\04DCK\03NBE\02LSA\01RIB"
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/*
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* Extended Status register 4 (XST4)) -- eighth word
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*/
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#define TS_SF_HSP (1<<15) /* High Speed */
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#define TS_SF_RCX (1<<14) /* Retry Count Exceeded */
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#define TS_SF_WRC 0x00FF /* Write Retry Count Statistics */
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#define TS_XST4_BITS "\20\20HSP\17RCX"
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