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freebsd-nq/sys/i4b/layer1/i4b_l1.h
Hellmuth Michaelis 0c0c7d6d26 Minor adjustments to make LINT compile again (thanks to phk for reminding me). 
Because the Fritz!Card PCMCIA stuff is also affected, this includes the fix
from PR kern/10278 submitted by Udo Schweigert (udo.schweigert@mchp.siemens.de).
PR: kern/10278
1999-03-16 11:07:04 +00:00

517 lines
20 KiB
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/*
* Copyright (c) 1997, 1999 Hellmuth Michaelis. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
*---------------------------------------------------------------------------*
*
* i4b_l1.h - isdn4bsd layer 1 header file
* ---------------------------------------
*
* $Id: i4b_l1.h,v 1.2 1999/03/07 16:08:16 hm Exp $
*
* last edit-date: [Tue Mar 16 10:38:03 1999]
*
*---------------------------------------------------------------------------*/
#ifndef I4B_L1_H_
#define I4B_L1_H_
#ifdef __bsdi__
#include <sys/device.h> /* XXX */
#ifndef ISA_NPORT_CHECK /* Double yuck XXX */
#include <i386/isa/isavar.h> /* XXX */
#endif
#endif
#include <i4b/include/i4b_l3l4.h>
/*---------------------------------------------------------------------------
* kernel config file flags definition
*---------------------------------------------------------------------------*/
/* XXX: we do need these only for real ISA (not even ISAPNP cards), and only
* because we are not confident enough in the general ISA probe routine (as
* practiced by the NetBSD variant). *And* it is completely redundant to the
* various options enabling only a few card's support routines to be compiled
* in. Probably the current truth is: this is usefull for anybody with more
* than one supported real ISA card. It is not usefull in generic configs,
* nor in typical one-controller-only configurations.
* Further - it is identical to the CARD_TYPEP_xxx definitions in
* ../machine/i4b_ioctl.h.
*/
#define FLAG_TELES_S0_8 1
#define FLAG_TELES_S0_16 2
#define FLAG_TELES_S0_163 3
#define FLAG_AVM_A1 4
#define FLAG_TELES_S0_163_PnP 5 /* XXX - not needed, remove! */
#define FLAG_CREATIX_S0_PnP 6 /* XXX - not needed, remove! */
#define FLAG_USR_ISDN_TA_INT 7
#define FLAG_DRN_NGO 8 /* XXX - not needed, remove! */
#define FLAG_SWS 9 /* XXX - not needed, remove! */
#define FLAG_AVM_A1_PCMCIA 10 /* XXX - not needed, remove! */
#define FLAG_DYNALINK 11 /* XXX - not needed, remove! */
#define FLAG_BLMASTER 12
#define FLAG_ELSA_QS1P_ISA 13 /* XXX - not needed, remove! */
#define FLAG_ELSA_QS1P_PCI 14 /* XXX - not needed, remove! */
#define FLAG_SIEMENS_ITALK 15
#define FLAG_ELSA_MLIMC 16 /* XXX - not needed, remove! */
#define FLAG_ELSA_MLMCALL 17 /* XXX - not needed, remove! */
#define FLAG_ITK_IX1 18
#define SEC_DELAY 1000000 /* one second DELAY for DELAY*/
#define MAX_DFRAME_LEN 264 /* max length of a D frame */
#ifndef __bsdi__
#define min(a,b) ((a)<(b)?(a):(b))
#endif
#if !defined(__FreeBSD__) && !defined(__bsdi__)
/* We try to map as few as possible as small as possible io and/or
memory regions. Each card defines its own interpretation of this
mapping array. At probe time we have a fixed size array, later
(when the card type is known) we allocate a minimal array
dynamically. */
#define ISIC_MAX_IO_MAPS 49 /* no cardtype needs more yet */
/* one entry in mapping array */
struct isic_io_map {
bus_space_tag_t t; /* which bus-space is this? */
bus_space_handle_t h; /* handle of mapped bus space region */
bus_size_t offset; /* offset into region */
bus_size_t size; /* size of region, zero if not ours
(i.e.: don't ever unmap it!) */
};
/* this is passed around at probe time (no struct isic_softc yet) */
struct isic_attach_args {
int ia_flags; /* flags from config file */
int ia_num_mappings; /* number of io mappings provided */
struct isic_io_map ia_maps[ISIC_MAX_IO_MAPS];
};
#endif
#ifdef __FreeBSD__
extern int next_isic_unit;
#endif
/*---------------------------------------------------------------------------*
* isic_Bchan: the state of one B channel
*---------------------------------------------------------------------------*/
typedef struct
{
int unit; /* cards unit number */
int channel; /* which channel is this*/
#if defined(__FreeBSD__) || defined(__bsdi__)
caddr_t hscx; /* HSCX address */
#endif
u_char hscx_mask; /* HSCX interrupt mask */
int bprot; /* B channel protocol */
int state; /* this channels state */
#define HSCX_IDLE 0x00 /* channel idle */
#define HSCX_TX_ACTIVE 0x01 /* tx running */
/* receive data from ISDN */
struct ifqueue rx_queue; /* receiver queue */
int rxcount; /* rx statistics counter*/
struct mbuf *in_mbuf; /* rx input buffer */
u_char *in_cbptr; /* curr buffer pointer */
int in_len; /* rx input buffer len */
/* transmit data to ISDN */
struct ifqueue tx_queue; /* transmitter queue */
int txcount; /* tx statistics counter*/
struct mbuf *out_mbuf_head; /* first mbuf in possible chain */
struct mbuf *out_mbuf_cur; /* current mbuf in possbl chain */
unsigned char *out_mbuf_cur_ptr; /* data pointer into mbuf */
int out_mbuf_cur_len; /* remaining bytes in mbuf */
/* link between b channel and driver */
isdn_link_t isdn_linktab; /* b channel addresses */
drvr_link_t *drvr_linktab; /* ptr to driver linktab*/
/* statistics */
/* RSTA */
int stat_VFR; /* HSCX RSTA Valid FRame */
int stat_RDO; /* HSCX RSTA Rx Data Overflow */
int stat_CRC; /* HSCX RSTA CRC */
int stat_RAB; /* HSCX RSTA Rx message ABorted */
/* EXIR */
int stat_XDU; /* HSCX EXIR tx data underrun */
int stat_RFO; /* HSCX EXIR rx frame overflow */
} isic_Bchan_t;
/*---------------------------------------------------------------------------*
* isic_softc: the state of the layer 1 of the D channel
*---------------------------------------------------------------------------*/
struct isic_softc
{
#if !defined(__FreeBSD__)
/* We are inherited from this class. All drivers must have this
as their first entry in struct softc. */
struct device sc_dev;
#endif
int sc_unit; /* unit number */
int sc_irq; /* interrupt vector */
#ifdef __FreeBSD__
int sc_port; /* port base address */
#elif defined(__bsdi__)
struct isadev sc_id; /* ISA/PCI device */
struct intrhand sc_ih; /* interrupt vectoring */
int sc_flags;
int sc_port;
caddr_t sc_maddr;
int sc_abustype; /* PCI, ISA etcetera */
#else
u_int sc_maddr; /* "memory address" for card config register */
int sc_num_mappings; /* number of io mappings provided */
struct isic_io_map *sc_maps;
#define MALLOC_MAPS(sc) \
(sc)->sc_maps = (struct isic_io_map*)malloc(sizeof((sc)->sc_maps[0])*(sc)->sc_num_mappings, M_DEVBUF, 0)
#endif
int sc_cardtyp; /* CARD_TYPEP_xxxx */
int sc_bustyp; /* IOM1 or IOM2 */
#define BUS_TYPE_IOM1 0x01
#define BUS_TYPE_IOM2 0x02
int sc_trace; /* output protocol data for tracing */
unsigned int sc_trace_dcount;/* d channel trace frame counter */
unsigned int sc_trace_bcount;/* b channel trace frame counter */
int sc_state; /* ISAC state flag */
#define ISAC_IDLE 0x00 /* state = idle */
#define ISAC_TX_ACTIVE 0x01 /* state = transmitter active */
int sc_init_tries; /* no of out tries to access S0 */
#if defined(__FreeBSD__) || defined(__bsdi__)
caddr_t sc_vmem_addr; /* card RAM virtual memory base */
caddr_t sc_isac; /* ISAC port base addr */
#define ISAC_BASE (sc->sc_isac)
caddr_t sc_ipacbase; /* IPAC port base addr */
#define IPAC_BASE (sc->sc_ipacbase)
#endif
u_char sc_isac_mask; /* ISAC IRQ mask */
#define ISAC_IMASK (sc->sc_isac_mask)
isic_Bchan_t sc_chan[2]; /* B-channel state */
#define HSCX_A_BASE (sc->sc_chan[0].hscx)
#define HSCX_A_IMASK (sc->sc_chan[0].hscx_mask)
#define HSCX_B_BASE (sc->sc_chan[1].hscx)
#define HSCX_B_IMASK (sc->sc_chan[1].hscx_mask)
struct mbuf *sc_ibuf; /* input buffer mgmt */
u_short sc_ilen;
u_char *sc_ib;
/* this is for the irq TX routine */
struct mbuf *sc_obuf; /* pointer to an mbuf with TX frame */
u_char *sc_op; /* ptr to next chunk of frame to tx */
int sc_ol; /* length of remaining frame to tx */
int sc_freeflag; /* m_freem mbuf if set */
struct mbuf *sc_obuf2; /* pointer to an mbuf with TX frame */
int sc_freeflag2; /* m_freem mbuf if set */
int sc_isac_version; /* version number of ISAC */
int sc_hscx_version; /* version number of HSCX */
int sc_I430state; /* I.430 state F3 .... F8 */
int sc_I430T3; /* I.430 Timer T3 running */
#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
struct callout_handle sc_T3_callout;
#endif
int sc_I430T4; /* Timer T4 running */
#if defined(__FreeBSD__) && __FreeBSD__ >=3
struct callout_handle sc_T4_callout;
#endif
/*
* byte fields for the AVM Fritz!Card PCI. These are packed into
* a u_int in the driver.
*/
u_char avma1pp_cmd;
u_char avma1pp_txl;
u_char avma1pp_prot;
int sc_enabled; /* daemon is running */
int sc_ipac; /* flag, running on ipac */
int sc_bfifolen; /* length of b channel fifos */
#if defined(__FreeBSD__) || defined(__bsdi__)
u_char (*readreg)(u_char *, u_int);
void (*writereg)(u_char *, u_int, u_int);
void (*readfifo)(void *, const void *, size_t);
void (*writefifo)(void *, const void *, size_t);
void (*clearirq)(void *);
#define ISAC_READ(r) (*sc->readreg)(ISAC_BASE, (r))
#define ISAC_WRITE(r,v) (*sc->writereg)(ISAC_BASE, (r), (v));
#define ISAC_RDFIFO(b,s) (*sc->readfifo)((b), ISAC_BASE, (s))
#define ISAC_WRFIFO(b,s) (*sc->writefifo)(ISAC_BASE, (b), (s))
#define HSCX_READ(n,r) (*sc->readreg)(sc->sc_chan[(n)].hscx, (r))
#define HSCX_WRITE(n,r,v) (*sc->writereg)(sc->sc_chan[(n)].hscx, (r), (v))
#define HSCX_RDFIFO(n,b,s) (*sc->readfifo)((b), sc->sc_chan[(n)].hscx, (s))
#define HSCX_WRFIFO(n,b,s) (*sc->writefifo)(sc->sc_chan[(n)].hscx, (b), (s))
#define IPAC_READ(r) (*sc->readreg)(IPAC_BASE, (r))
#define IPAC_WRITE(r,v) (*sc->writereg)(IPAC_BASE, (r), (v));
#else /* ! __FreeBSD__ */
#define ISIC_WHAT_ISAC 0
#define ISIC_WHAT_HSCXA 1
#define ISIC_WHAT_HSCXB 2
#define ISIC_WHAT_IPAC 3
u_int8_t (*readreg) __P((struct isic_softc *sc, int what, bus_size_t offs));
void (*writereg) __P((struct isic_softc *sc, int what, bus_size_t offs, u_int8_t data));
void (*readfifo) __P((struct isic_softc *sc, int what, void *buf, size_t size));
void (*writefifo) __P((struct isic_softc *sc, int what, const void *data, size_t size));
void (*clearirq) __P((struct isic_softc *sc));
#define ISAC_READ(r) (*sc->readreg)(sc, ISIC_WHAT_ISAC, (r))
#define ISAC_WRITE(r,v) (*sc->writereg)(sc, ISIC_WHAT_ISAC, (r), (v))
#define ISAC_RDFIFO(b,s) (*sc->readfifo)(sc, ISIC_WHAT_ISAC, (b), (s))
#define ISAC_WRFIFO(b,s) (*sc->writefifo)(sc, ISIC_WHAT_ISAC, (b), (s))
#define HSCX_READ(n,r) (*sc->readreg)(sc, ISIC_WHAT_HSCXA+(n), (r))
#define HSCX_WRITE(n,r,v) (*sc->writereg)(sc, ISIC_WHAT_HSCXA+(n), (r), (v))
#define HSCX_RDFIFO(n,b,s) (*sc->readfifo)(sc, ISIC_WHAT_HSCXA+(n), (b), (s))
#define HSCX_WRFIFO(n,b,s) (*sc->writefifo)(sc, ISIC_WHAT_HSCXA+(n), (b), (s))
#define IPAC_READ(r) (*sc->readreg)(sc, ISIC_WHAT_IPAC, (r))
#define IPAC_WRITE(r, v) (*sc->writereg)(sc, ISIC_WHAT_IPAC, (r), (v))
#endif /* __FreeBSD__ */
};
/*---------------------------------------------------------------------------*
* possible I.430/ISAC states
*---------------------------------------------------------------------------*/
enum I430states {
ST_F3, /* F3 Deactivated */
ST_F4, /* F4 Awaiting Signal */
ST_F5, /* F5 Identifying Input */
ST_F6, /* F6 Synchronized */
ST_F7, /* F7 Activated */
ST_F8, /* F8 Lost Framing */
ST_ILL, /* Illegal State */
N_STATES
};
/*---------------------------------------------------------------------------*
* possible I.430/ISAC events
*---------------------------------------------------------------------------*/
enum I430events {
EV_PHAR, /* PH ACTIVATE REQUEST */
EV_T3, /* Timer 3 expired */
EV_INFO0, /* receiving INFO0 */
EV_RSY, /* receiving any signal */
EV_INFO2, /* receiving INFO2 */
EV_INFO48, /* receiving INFO4 pri 8/9 */
EV_INFO410, /* receiving INFO4 pri 10/11 */
EV_DR, /* Deactivate Request */
EV_PU, /* Power UP */
EV_DIS, /* Disconnected (only 2085) */
EV_EI, /* Error Indication */
EV_ILL, /* Illegal Event */
N_EVENTS
};
enum I430commands {
CMD_TIM, /* Timing */
CMD_RS, /* Reset */
CMD_AR8, /* Activation request pri 8 */
CMD_AR10, /* Activation request pri 10 */
CMD_DIU, /* Deactivate Indication Upstream */
CMD_ILL /* Illegal command */
};
#define N_COMMANDS CMD_ILL
#ifdef __FreeBSD__
extern struct isic_softc isic_sc[];
extern void isic_recover(struct isic_softc *sc);
extern int isic_realattach(struct isa_device *dev, unsigned int iobase2);
extern int isic_attach_avma1 ( struct isa_device *dev );
extern int isic_attach_fritz ( struct isa_device *dev );
extern int isic_attach_Cs0P ( struct isa_device *dev, unsigned int iobase2);
extern int isic_attach_Dyn ( struct isa_device *dev, unsigned int iobase2);
extern int isic_attach_s016 ( struct isa_device *dev );
extern int isic_attach_s0163 ( struct isa_device *dev );
extern int isic_attach_s0163P ( struct isa_device *dev, unsigned int iobase2);
extern int isic_attach_s08 ( struct isa_device *dev );
extern int isic_attach_usrtai ( struct isa_device *dev );
extern int isic_attach_itkix1 ( struct isa_device *dev );
extern int isic_attach_drnngo ( struct isa_device *dev, unsigned int iobase2);
extern int isic_attach_sws ( struct isa_device *dev );
extern int isic_attach_Eqs1pi(struct isa_device *dev, unsigned int iobase2);
extern int isic_attach_Eqs1pp(int unit, unsigned int iobase1, unsigned int iobase2);
extern void isic_bchannel_setup (int unit, int hscx_channel, int bprot, int activate );
extern void isic_hscx_init ( struct isic_softc *sc, int hscx_channel, int activate );
extern void isic_hscx_irq ( struct isic_softc *sc, u_char ista, int hscx_channel, u_char ex_irq );
extern int isic_hscx_silence ( unsigned char *data, int len );
extern void isic_hscx_cmd( struct isic_softc *sc, int h_chan, unsigned char cmd );
extern void isic_hscx_waitxfw( struct isic_softc *sc, int h_chan );
extern void isic_init_linktab ( struct isic_softc *sc );
extern int isic_isac_init ( struct isic_softc *sc );
extern void isic_isac_irq ( struct isic_softc *sc, int r );
extern void isic_isac_l1_cmd ( struct isic_softc *sc, int command );
extern void isic_next_state ( struct isic_softc *sc, int event );
extern char *isic_printstate ( struct isic_softc *sc );
extern int isic_probe_avma1 ( struct isa_device *dev );
extern int isic_probe_avma1_pcmcia ( struct isa_device *dev );
extern int isic_probe_Cs0P ( struct isa_device *dev, unsigned int iobase2);
extern int isic_probe_Dyn ( struct isa_device *dev, unsigned int iobase2);
extern int isic_probe_s016 ( struct isa_device *dev );
extern int isic_probe_s0163 ( struct isa_device *dev );
extern int isic_probe_s0163P ( struct isa_device *dev, unsigned int iobase2);
extern int isic_probe_s08 ( struct isa_device *dev );
extern int isic_probe_usrtai ( struct isa_device *dev );
extern int isic_probe_itkix1 ( struct isa_device *dev );
extern int isic_probe_drnngo ( struct isa_device *dev, unsigned int iobase2);
extern int isic_probe_sws ( struct isa_device *dev );
extern int isic_probe_Eqs1pi(struct isa_device *dev, unsigned int iobase2);
#elif defined(__bsdi__)
extern struct isic_softc *isic_sc[];
#define isic_find_sc(unit) (isic_sc[(unit)])
#define ATTACHARGS struct device *, struct device *, struct isa_attach_args *
#define MATCHARGS struct device *, struct cfdata *, struct isa_attach_args *
extern int isa_isicmatch(MATCHARGS);
extern int isa_isicattach(ATTACHARGS);
extern int isicintr(void *);
extern void isic_recover(struct isic_softc *sc);
extern int isic_realattach(ATTACHARGS);
extern int isic_attach_avma1(ATTACHARGS);
extern int isic_attach_fritzpcmcia(ATTACHARGS);
extern int isic_attach_Cs0P(ATTACHARGS);
extern int isic_attach_Dyn(ATTACHARGS);
extern int isic_attach_s016(ATTACHARGS);
extern int isic_attach_s0163(ATTACHARGS);
extern int isic_attach_s0163P(ATTACHARGS);
extern int isic_attach_s08(ATTACHARGS);
extern int isic_attach_usrtai(ATTACHARGS);
extern int isic_attach_itkix1(ATTACHARGS);
extern int isic_attach_drnngo(ATTACHARGS);
extern int isic_attach_sws(ATTACHARGS);
extern int isic_attach_Eqs1pi(ATTACHARGS);
extern int isic_attach_Eqs1pp(ATTACHARGS);
extern void isic_bchannel_setup(int unit, int hscx_channel, int bprot, int activate );
extern void isic_hscx_init(struct isic_softc *sc, int hscx_channel, int activate );
extern void isic_hscx_irq(struct isic_softc *sc, u_char ista, int hscx_channel, u_char ex_irq );
extern int isic_hscx_silence(unsigned char *data, int len );
extern void isic_hscx_cmd(struct isic_softc *sc, int h_chan, unsigned char cmd );
extern void isic_hscx_waitxfw(struct isic_softc *sc, int h_chan );
extern void isic_init_linktab(struct isic_softc *sc );
extern int isic_isac_init(struct isic_softc *sc );
extern void isic_isac_irq(struct isic_softc *sc, int r );
extern void isic_isac_l1_cmd(struct isic_softc *sc, int command );
extern void isic_next_state(struct isic_softc *sc, int event );
extern char *isic_printstate(struct isic_softc *sc );
extern int isic_probe_avma1(MATCHARGS);
extern int isic_probe_avma1_pcmcia(MATCHARGS);
extern int isic_probe_Cs0P(MATCHARGS);
extern int isic_probe_Dyn(MATCHARGS);
extern int isic_probe_s016(MATCHARGS);
extern int isic_probe_s0163(MATCHARGS);
extern int isic_probe_s0163P(MATCHARGS);
extern int isic_probe_s08(MATCHARGS);
extern int isic_probe_usrtai(MATCHARGS);
extern int isic_probe_itkix1(MATCHARGS);
extern int isic_probe_drnngo(MATCHARGS);
extern int isic_probe_sws(MATCHARGS);
extern int isic_probe_Eqs1pi(MATCHARGS);
#undef MATCHARGS
#undef ATTACHARGS
#else /* not FreeBSD/__bsdi__ */
extern void isic_recover __P((struct isic_softc *sc));
extern int isicattach __P((int flags, struct isic_softc *sc));
extern int isicintr __P((void *));
extern int isicprobe __P((struct isic_attach_args *ia));
extern int isic_attach_avma1 __P((struct isic_softc *sc));
extern int isic_attach_s016 __P((struct isic_softc *sc));
extern int isic_attach_s0163 __P((struct isic_softc *sc));
extern int isic_attach_s08 __P((struct isic_softc *sc));
extern int isic_attach_usrtai __P((struct isic_softc *sc));
extern int isic_attach_itkix1 __P((struct isic_softc *sc));
extern void isic_bchannel_setup __P((int unit, int hscx_channel, int bprot, int activate));
extern void isic_hscx_init __P((struct isic_softc *sc, int hscx_channel, int activate));
extern void isic_hscx_irq __P((struct isic_softc *sc, u_char ista, int hscx_channel, u_char ex_irq));
extern int isic_hscx_silence __P(( unsigned char *data, int len ));
extern void isic_hscx_cmd __P(( struct isic_softc *sc, int h_chan, unsigned char cmd ));
extern void isic_hscx_waitxfw __P(( struct isic_softc *sc, int h_chan ));
extern void isic_init_linktab __P((struct isic_softc *sc));
extern int isic_isac_init __P((struct isic_softc *sc));
extern void isic_isac_irq __P((struct isic_softc *sc, int r));
extern void isic_isac_l1_cmd __P((struct isic_softc *sc, int command));
extern void isic_next_state __P((struct isic_softc *sc, int event));
extern char * isic_printstate __P((struct isic_softc *sc));
extern int isic_probe_avma1 __P((struct isic_attach_args *ia));
extern int isic_probe_s016 __P((struct isic_attach_args *ia));
extern int isic_probe_s0163 __P((struct isic_attach_args *ia));
extern int isic_probe_s08 __P((struct isic_attach_args *ia));
extern int isic_probe_usrtai __P((struct isic_attach_args *ia));
extern int isic_probe_itkix1 __P((struct isic_attach_args *ia));
extern struct isic_softc *isic_sc[];
#define isic_find_sc(unit) (isic_sc[(unit)])
#endif /* __FreeBSD__ */
#endif /* I4B_L1_H_ */
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