/* $NetBSD: hpibvar.h,v 1.24 2021/07/09 17:05:33 tsutsui Exp $ */ /*- * Copyright (c) 1996, 1997 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * Copyright (c) 1982, 1990, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)hpibvar.h 8.1 (Berkeley) 6/10/93 */ #define HPIB_IPL(x) ((((x) >> 4) & 0x3) + 3) #define HPIBA 32 #define HPIBB 1 #define HPIBC 8 #define HPIBA_BA 21 #define HPIBC_BA 30 #define HPIBA_IPL 3 #define CSA_BA 0x1F #define IDS_WDMA 0x04 #define IDS_WRITE 0x08 #define IDS_IR 0x40 #define IDS_IE 0x80 #define IDS_DMA(x) (1 << (x)) #define C_SDC 0x04 /* Selected device clear */ #define C_SDC_P 0x04 /* with odd parity */ #define C_DCL 0x14 /* Universal device clear */ #define C_DCL_P 0x94 /* with odd parity */ #define C_LAG 0x20 /* Listener address group commands */ #define C_UNL 0x3f /* Universal unlisten */ #define C_UNL_P 0xbf /* with odd parity */ #define C_TAG 0x40 /* Talker address group commands */ #define C_UNA 0x5e /* Unaddress (master talk address?) */ #define C_UNA_P 0x5e /* with odd parity */ #define C_UNT 0x5f /* Universal untalk */ #define C_UNT_P 0xdf /* with odd parity */ #define C_SCG 0x60 /* Secondary group commands */ /* * Description structure for CS/80 devices. */ struct cs80_describe { u_int d_iuw:16, /* controller: installed unit word */ d_cmaxxfr:16, /* controller: max transfer rate (Kb) */ d_ctype:8, /* controller: controller type */ d_utype:8, /* unit: unit type */ d_name:24, /* unit: name (6 BCD digits) */ d_sectsize:16, /* unit: # of bytes per block (sector) */ d_blkbuf:8, /* unit: # of blocks which can be buffered */ d_burstsize:8, /* unit: recommended burst size */ d_blocktime:16, /* unit: block time (u-sec) */ d_uavexfr:16, /* unit: average transfer rate (Kb) */ d_retry:16, /* unit: optimal retry time (1/100-sec) */ d_access:16, /* unit: access time param (1/100-sec) */ d_maxint:8, /* unit: maximum interleave */ d_fvbyte:8, /* unit: fixed volume byte */ d_rvbyte:8, /* unit: removable volume byte */ d_maxcyl:24, /* volume: maximum cylinder */ d_maxhead:8, /* volume: maximum head */ d_maxsect:16, /* volume: maximum sector on track */ d_maxvsecth:16, /* volume: maximum sector on volume (MSW) */ d_maxvsectl:32, /* volume: maximum sector on volume (LSWs) */ d_interleave:8; /* volume: current interleave */ } __attribute__((__packed__)); #ifdef _KERNEL #include <sys/queue.h> struct hpibbus_softc; /* * Each of the HP-IB controller drivers fills in this structure, which * is used by the indirect driver to call controller-specific functions. */ struct hpib_controller { void (*hpib_reset)(struct hpibbus_softc *); int (*hpib_send)(struct hpibbus_softc *, int, int, void *, int); int (*hpib_recv)(struct hpibbus_softc *, int, int, void *, int); int (*hpib_ppoll)(struct hpibbus_softc *); void (*hpib_ppwatch)(void *); void (*hpib_go)(struct hpibbus_softc *, int, int, void *, int, int, int); void (*hpib_done)(struct hpibbus_softc *); int (*hpib_intr)(void *); }; /* * Attach an HP-IB bus to an HP-IB controller. */ struct hpibdev_attach_args { struct hpib_controller *ha_ops; /* controller ops vector */ int ha_type; /* XXX */ int ha_ba; struct hpibbus_softc **ha_softcpp; /* XXX */ }; /* * Attach an HP-IB device to an HP-IB bus. */ struct hpibbus_attach_args { uint16_t ha_id; /* device id */ int ha_slave; /* HP-IB bus slave */ int ha_punit; /* physical unit on slave */ }; /* Locator short-hand */ #include "locators.h" #define hpibbuscf_slave cf_loc[HPIBBUSCF_SLAVE] #define hpibbuscf_punit cf_loc[HPIBBUSCF_PUNIT] #define HPIB_NSLAVES 8 /* number of slaves on a bus */ #define HPIB_NPUNITS 15 /* number of punits per slave */ /* * An HP-IB job queue entry. Slave drivers have one of these used * to queue requests with the controller. */ struct hpibqueue { TAILQ_ENTRY(hpibqueue) hq_list; /* entry on queue */ void *hq_softc; /* slave's softc */ int hq_slave; /* slave on bus */ /* * Callbacks used to start and stop the slave driver. */ void (*hq_start)(void *); void (*hq_go)(void *); void (*hq_intr)(void *); }; struct dmaqueue; /* * Software state per HP-IB bus. */ struct hpibbus_softc { device_t sc_dev; /* generic device glue */ struct hpib_controller *sc_ops; /* controller ops vector */ volatile int sc_flags; /* misc flags */ struct dmaqueue *sc_dq; TAILQ_HEAD(, hpibqueue) sc_queue; int sc_ba; int sc_type; char *sc_addr; int sc_count; int sc_curcnt; }; /* sc_flags */ #define HPIBF_IO 0x1 #define HPIBF_DONE 0x2 #define HPIBF_PPOLL 0x4 #define HPIBF_READ 0x8 #define HPIBF_TIMO 0x10 #define HPIBF_DMA16 0x8000 extern void *internalhpib; extern int hpibtimeout; extern int hpibdmathresh; void hpibreset(int); int hpibsend(int, int, int, void *, int); int hpibrecv(int, int, int, void *, int); int hpibustart(int); void hpibgo(int, int, int, void *, int, int, int); int hpibpptest(int, int); void hpibppclear(int); void hpibawait(int); int hpibswait(int, int); int hpibid(int, int); int hpibreq(device_t, struct hpibqueue *); void hpibfree(device_t, struct hpibqueue *); int hpibintr(void *); int hpibdevprint(void *, const char *); #endif
