230 lines
8.4 KiB
C
230 lines
8.4 KiB
C
/* $NetBSD: cs80busvar.h,v 1.1 2003/06/02 03:51:05 gmcgarry Exp $ */
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/*-
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* Copyright (c) 2003 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Gregory McGarry.
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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 by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#define CS80BUS_NSLAVES 8 /* number of slaves on a bus */
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#define CS80BUS_NPUNITS 2 /* number of punits per slave */
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struct cs80bus_attach_args {
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gpib_chipset_tag_t ca_ic;
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u_int16_t ca_id; /* device id */
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int ca_slave; /* GPIB bus slave */
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int ca_punit; /* physical unit on slave */
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};
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struct cs80bus_softc {
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struct device sc_dev; /* generic device glue */
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gpib_chipset_tag_t sc_ic;
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u_int8_t sc_rmap[CS80BUS_NSLAVES][CS80BUS_NPUNITS];
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};
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/*
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* CS80/SS80 primary commands
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*/
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#define CS80CMD_SCMD 0x05 /* secondary command to follow */
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#define CS80CMD_EXEC 0x0e /* return requested data */
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#define CS80CMD_QSTAT 0x10 /* query status of device */
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#define CS80CMD_TCMD 0x12 /* transparent message */
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/*
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* CS80/SS80 secondary commands
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*
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* The arguments in < > indicate the number of parameters and number of
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* bits per parameter used in the command.
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*/
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#define CS80CMD_READ 0x00 /* read sector */
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#define CS80CMD_WRITE 0x02 /* write sector */
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#define CS80CMD_CLEAR 0x08 /* clear device */
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#define CS80CMD_STATUS 0x0d /* request status */
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#define CS80CMD_SADDR 0x10 /* set block number <16,32>*/
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#define CS80CMD_SLEN 0x18 /* set block length <8> */
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#define CS80CMD_SUNIT(x) (0x20|(x)) /* set unit */
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#define CS80CMD_NOP 0x34 /* no-op */
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#define CS80CMD_DESC 0x35 /* request device description */
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#define CS80CMD_SOPT 0x38 /* set options <8> */
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#define CS80CMD_SREL 0x3b /* set release ? <8> */
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#define CS80CMD_SSM 0x3e /* set status mask <16,16,16,16> */
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#define CS80CMD_SVOL(x) (0x40|(x)) /* set volume */
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#define CS80CMD_SRAM 0x48 /* set description format <8> */
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#define CS80CMD_WFM 0x49 /* write end-of-file record */
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#define CS80CMD_UNLOAD 0x4a /* unload media */
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struct cs80_describecmd { /* describe command */
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u_int8_t c_unit;
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u_int8_t c_vol;
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u_int8_t c_cmd;
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} __attribute__((__packed__));
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struct cs80_clearcmd { /* clear device command */
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u_int8_t c_unit;
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u_int8_t c_cmd;
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} __attribute__((__packed__));
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struct cs80_srcmd { /* s? release */
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u_int8_t c_unit;
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u_int8_t c_nop;
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u_int8_t c_cmd;
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u_int8_t c_param;
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} __attribute__((__packed__));
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struct cs80_statuscmd { /* status command */
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u_int8_t c_unit;
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u_int8_t c_sram;
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u_int8_t c_param;
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u_int8_t c_cmd;
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} __attribute__((__packed__));
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struct cs80_ssmcmd { /* status mask */
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u_int8_t c_unit;
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u_int8_t c_cmd;
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u_int16_t c_refm; /* "request error" mask */
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u_int16_t c_fefm; /* "fault error" mask */
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u_int16_t c_aefm; /* "access error" mask */
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u_int16_t c_iefm; /* "info error" mask */
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#define REF_MASK 0x0
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#define FEF_MASK 0x0
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#define AEF_MASK 0x0
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#define IEF_MASK 0xF970
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} __attribute__((__packed__));
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struct cs80_soptcmd { /* set options */
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u_int8_t c_unit;
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u_int8_t c_nop;
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u_int8_t c_opt;
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u_int8_t c_param;
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#define C_CC 0x01 /* character count option */
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#define C_SKSPAR 0x02
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#define C_SPAR 0x04
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#define C_IMRPT 0x08
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} __attribute__((__packed__));
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/*
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* Structures returned by functions.
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*/
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struct cs80_description {
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u_int16_t d_iuw; /* ctlr: installed unit word */
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u_int16_t d_cmaxxfr; /* ctlr: max transfer rate (KB) */
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u_int8_t d_ctype; /* ctlr: controller type */
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u_int8_t d_utype; /* unit: unit type */
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u_int8_t d_name[3]; /* unit: name (6 BCD digits) */
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u_int16_t d_sectsize; /* unit: # of bytes per block */
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u_int8_t d_blkbuf; /* unit: # of blocks can be buffered */
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u_int8_t d_burstsize; /* unit: recommended burst size */
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u_int16_t d_blocktime; /* unit: block time (u-sec) */
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u_int16_t d_uavexfr; /* unit: average transfer rate (Kb) */
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u_int16_t d_retry; /* unit: retry time (1/100-sec) */
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u_int16_t d_access; /* unit: access time (1/100-sec) */
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u_int8_t d_maxint; /* unit: max interleave */
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u_int8_t d_fvbyte; /* unit: fixed volume byte */
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u_int8_t d_rvbyte; /* unit: removeable volume byte */
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u_int32_t d_maxcylhead; /* volume: max cylinder/head */
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u_int16_t d_maxsect; /* volume: max sector on track */
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u_int16_t d_maxvsecth; /* volume: max volume block (MSW) */
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u_int32_t d_maxvsectl; /* volume: max volume block (LSWs) */
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u_int8_t d_interleave; /* volume: current interleave */
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} __attribute__((__packed__));
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struct cs80_stat { /* device status */
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u_int8_t c_vu; /* volume/unit */
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u_int8_t c_pend;
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u_int16_t c_ref; /* reject error */
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#define REF_bit3 0x0008 /* message length */
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#define REF_bit5 0x0020 /* message sequence */
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#define REF_bit6 0x0040 /* illegal parameter */
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#define REF_bit7 0x0080 /* parameter bounds */
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#define REF_bit8 0x0100 /* address bounds */
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#define REF_bit9 0x0200 /* module addressing */
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#define REF_bit10 0x0400 /* illegal opcode */
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#define REF_bit13 0x2000 /* channel parity error */
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u_int16_t c_fef; /* fault error */
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#define FEF_REXMT 0x0001 /* retransmit */
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#define FEF_PF 0x0002 /* power fail */
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#define FEF_IMR 0x0008 /* internal maintenance release */
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#define FEF_bit4 0x0010 /* diagnostic release request */
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#define FEF_bit5 0x0020 /* operator release request */
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#define FEF_DR 0x0080 /* diagnostic result */
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#define FEF_bit9 0x0200 /* unit fault */
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#define FEF_bit12 0x1000 /* controller fault */
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#define FEF_CU 0x4000 /* cross-unit */
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u_int16_t c_aef; /* access error */
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#define AEF_EOV 0x0008 /* end of volume */
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#define AEF_EOF 0x0010 /* end of file */
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#define AEF_UD 0x0040 /* unrecoverable data */
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#define AEF_bit7 0x0080 /* unrecoverable data overflow */
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#define AEF_bit10 0x0400 /* no data found */
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#define AEF_bit11 0x0800 /* write protect */
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#define AEF_bit12 0x1000 /* not ready */
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#define AEF_bit13 0x2000 /* no spares available */
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#define AEF_bit14 0x4000 /* uninitialized media */
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#define AEF_bit15 0x8000 /* illegal parallel operation */
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u_int16_t c_ief; /* info error */
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#define IEF_bit2 0x0004 /* maintenance track overflow */
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#define IEF_RD 0x0010 /* recoverable data */
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#define IEF_MD 0x0020 /* marginal data */
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#define IEF_bit6 0x0040 /* recoverable data overflow */
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#define IEF_bit8 0x0100 /* auto-sparing invoked */
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#define IEF_bit9 0x0800 /* latency induced */
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#define IEF_bit10 0x1000 /* media wear */
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#define IEF_RRMASK 0xe000 /* request release bits */
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union {
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u_int8_t cu_raw[10];
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struct {
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u_int16_t cu_msw;
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u_int32_t cu_lsl;
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} cu_sva;
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struct {
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u_int32_t cu_cyhd;
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u_int16_t cu_sect;
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} cu_tva;
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} c_pf;
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#define c_raw c_pf.cu_raw
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#define c_blk c_pf.cu_sva.cu_lsl
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#define c_tva c_pf.cu_tva
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} __attribute__((__packed__));
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int cs80describe(void *, int, int, struct cs80_description *);
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int cs80reset(void *, int, int);
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int cs80status(void *, int, int, struct cs80_stat *);
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int cs80setoptions(void *, int, int, u_int8_t);
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int cs80send(void *, int, int, int, void *, int);
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