318 lines
11 KiB
C
318 lines
11 KiB
C
/*
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* Copyright (c) 1999 Udo Schweigert. All rights reserved.
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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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*
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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. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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* 4. Altered versions must be plainly marked as such, and must not be
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* misrepresented as being the original software and/or documentation.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*---------------------------------------------------------------------------
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* Based on ELSA Quickstep 1000pro PCI driver (i4b_elsa_qs1p.c)
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*---------------------------------------------------------------------------
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* In case of trouble please contact Udo Schweigert <ust@cert.siemens.de>
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*---------------------------------------------------------------------------
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*
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* Siemens I-Surf 2.0 PnP specific routines for isic driver
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* --------------------------------------------------------
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*
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* $Id: i4b_siemens_isurf.c,v 1.2 1999/07/05 13:22:12 hm Exp $
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*
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* last edit-date: [Mon 14 Jun 16:46:27 CEST 1999]
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*
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*---------------------------------------------------------------------------*/
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#if defined(__FreeBSD__)
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#include "isic.h"
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#include "opt_i4b.h"
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#if NISIC > 0 && defined(SIEMENS_ISURF2)
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#include <sys/param.h>
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#if defined(__FreeBSD__) && __FreeBSD__ >= 3
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#include <sys/ioccom.h>
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#else
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#include <sys/ioctl.h>
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#endif
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#include <sys/kernel.h>
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#include <sys/systm.h>
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#include <sys/mbuf.h>
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#include <machine/clock.h>
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#include <i386/isa/isa_device.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <machine/i4b_debug.h>
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#include <machine/i4b_ioctl.h>
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#include <i4b/include/i4b_global.h>
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#include <i4b/include/i4b_l1l2.h>
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#include <i4b/include/i4b_mbuf.h>
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#include <i4b/layer1/i4b_l1.h>
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#include <i4b/layer1/i4b_ipac.h>
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#include <i4b/layer1/i4b_isac.h>
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#include <i4b/layer1/i4b_hscx.h>
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/* masks for register encoded in base addr */
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#define SIE_ISURF_BASE_MASK 0x0ffff
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#define SIE_ISURF_OFF_MASK 0xf0000
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/* register id's to be encoded in base addr */
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#define SIE_ISURF_IDISAC 0x00000
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#define SIE_ISURF_IDHSCXA 0x10000
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#define SIE_ISURF_IDHSCXB 0x20000
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#define SIE_ISURF_IDIPAC 0x40000
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/* offsets from base address */
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#define SIE_ISURF_OFF_ALE 0x00
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#define SIE_ISURF_OFF_RW 0x01
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/*---------------------------------------------------------------------------*
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* Siemens I-Surf 2.0 PnP ISAC get fifo routine
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*---------------------------------------------------------------------------*/
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static void
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siemens_isurf_read_fifo(void *buf, const void *base, size_t len)
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{
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if(((u_int)base & SIE_ISURF_OFF_MASK) == SIE_ISURF_IDHSCXB)
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{
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outb((u_int)((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_ALE, IPAC_HSCXB_OFF);
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insb((((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_RW), (u_char *)buf, (u_int)len);
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}
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else if(((u_int)base & SIE_ISURF_OFF_MASK) == SIE_ISURF_IDHSCXA)
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{
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outb((u_int)((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_ALE, IPAC_HSCXA_OFF);
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insb((((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_RW), (u_char *)buf, (u_int)len);
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}
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else /* if(((u_int)base & SIE_ISURF_OFF_MASK) == SIE_ISURF_IDISAC) */
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{
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outb((u_int)((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_ALE, IPAC_ISAC_OFF);
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insb((((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_RW), (u_char *)buf, (u_int)len);
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}
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}
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/*---------------------------------------------------------------------------*
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* Siemens I-Surf 2.0 PnP ISAC put fifo routine
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*---------------------------------------------------------------------------*/
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static void
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siemens_isurf_write_fifo(void *base, const void *buf, size_t len)
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{
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if(((u_int)base & SIE_ISURF_OFF_MASK) == SIE_ISURF_IDHSCXB)
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{
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outb((u_int)((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_ALE, IPAC_HSCXB_OFF);
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outsb((((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_RW), (const u_char *)buf, (u_int)len);
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}
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else if(((u_int)base & SIE_ISURF_OFF_MASK) == SIE_ISURF_IDHSCXA)
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{
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outb((u_int)((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_ALE, IPAC_HSCXA_OFF);
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outsb((((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_RW), (const u_char *)buf, (u_int)len);
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}
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else /* if(((u_int)base & SIE_ISURF_OFF_MASK) == SIE_ISURF_IDISAC) */
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{
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outb((u_int)((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_ALE, IPAC_ISAC_OFF);
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outsb((((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_RW), (const u_char *)buf, (u_int)len);
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}
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}
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/*---------------------------------------------------------------------------*
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* Siemens I-Surf 2.0 PnP ISAC put register routine
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*---------------------------------------------------------------------------*/
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static void
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siemens_isurf_write_reg(u_char *base, u_int offset, u_int v)
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{
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if(((u_int)base & SIE_ISURF_OFF_MASK) == SIE_ISURF_IDHSCXB)
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{
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outb(((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_ALE, (u_char)(offset+IPAC_HSCXB_OFF));
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outb(((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_RW, (u_char)v);
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}
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else if(((u_int)base & SIE_ISURF_OFF_MASK) == SIE_ISURF_IDHSCXA)
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{
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outb(((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_ALE, (u_char)(offset+IPAC_HSCXA_OFF));
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outb(((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_RW, (u_char)v);
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}
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else if(((u_int)base & SIE_ISURF_OFF_MASK) == SIE_ISURF_IDISAC)
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{
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outb(((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_ALE, (u_char)(offset+IPAC_ISAC_OFF));
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outb(((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_RW, (u_char)v);
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}
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else /* IPAC */
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{
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outb(((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_ALE, (u_char)(offset+IPAC_IPAC_OFF));
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outb(((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_RW, (u_char)v);
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}
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}
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/*---------------------------------------------------------------------------*
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* Siemens I-Surf 2.0 PnP ISAC get register routine
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*---------------------------------------------------------------------------*/
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static u_char
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siemens_isurf_read_reg(u_char *base, u_int offset)
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{
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if(((u_int)base & SIE_ISURF_OFF_MASK) == SIE_ISURF_IDHSCXB)
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{
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outb((u_int)((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_ALE, (u_char)(offset+IPAC_HSCXB_OFF));
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return(inb(((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_RW));
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}
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else if(((u_int)base & SIE_ISURF_OFF_MASK) == SIE_ISURF_IDHSCXA)
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{
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outb((u_int)((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_ALE, (u_char)(offset+IPAC_HSCXA_OFF));
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return(inb(((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_RW));
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}
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else if(((u_int)base & SIE_ISURF_OFF_MASK) == SIE_ISURF_IDISAC)
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{
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outb((u_int)((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_ALE, (u_char)(offset+IPAC_ISAC_OFF));
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return(inb(((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_RW));
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}
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else /* IPAC */
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{
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outb((u_int)((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_ALE, (u_char)(offset+IPAC_IPAC_OFF));
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return(inb(((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_RW));
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}
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}
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/*---------------------------------------------------------------------------*
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* isic_probe_siemens_isurf - probe for Siemens I-Surf 2.0 PnP
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*---------------------------------------------------------------------------*/
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int
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isic_probe_siemens_isurf(struct isa_device *dev, unsigned int iobase2)
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{
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struct isic_softc *sc = &isic_sc[dev->id_unit];
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/* check max unit range */
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if(dev->id_unit >= ISIC_MAXUNIT)
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{
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printf("isic%d: Error, unit %d >= ISIC_MAXUNIT for Siemens I-Surf 2.0 PnP\n",
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dev->id_unit, dev->id_unit);
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return(0);
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}
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sc->sc_unit = dev->id_unit;
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/* check IRQ validity */
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switch(ffs(dev->id_irq) - 1)
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{
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case 3:
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case 4:
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case 5:
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case 7:
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case 10:
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case 11:
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case 12:
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case 15:
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break;
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default:
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printf("isic%d: Error, invalid IRQ [%d] specified for Siemens I-Surf 2.0 PnP!\n",
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dev->id_unit, ffs(dev->id_irq)-1);
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return(0);
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break;
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}
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sc->sc_irq = dev->id_irq;
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/* check if memory addr specified */
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if(dev->id_maddr)
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{
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printf("isic%d: Error, mem addr 0x%lx specified for Siemens I-Surf 2.0 PnP!\n",
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dev->id_unit, (u_long)dev->id_maddr);
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return(0);
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}
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dev->id_msize = 0;
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/* check if we got an iobase */
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if(!((dev->id_iobase >= 0x100) && (dev->id_iobase <= 0xff0)))
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{
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printf("isic%d: Error, invalid iobase 0x%x specified for Siemens I-Surf 2.0 PnP!\n",
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dev->id_unit, dev->id_iobase);
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return(0);
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}
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sc->sc_port = dev->id_iobase;
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/* setup access routines */
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sc->clearirq = NULL;
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sc->readreg = siemens_isurf_read_reg;
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sc->writereg = siemens_isurf_write_reg;
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sc->readfifo = siemens_isurf_read_fifo;
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sc->writefifo = siemens_isurf_write_fifo;
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/* setup card type */
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sc->sc_cardtyp = CARD_TYPEP_SIE_ISURF2;
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/* setup IOM bus type */
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sc->sc_bustyp = BUS_TYPE_IOM2;
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/* setup chip type = IPAC ! */
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sc->sc_ipac = 1;
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sc->sc_bfifolen = IPAC_BFIFO_LEN;
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return (1);
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}
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/*---------------------------------------------------------------------------*
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* isic_attach_siemens_isurf - attach for Siemens I-Surf 2.0 PnP
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*---------------------------------------------------------------------------*/
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int
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isic_attach_siemens_isurf(struct isa_device *dev, unsigned int iobase2)
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{
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struct isic_softc *sc = &isic_sc[dev->id_unit];
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/* setup ISAC and HSCX base addr */
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ISAC_BASE = (caddr_t) ((u_int)sc->sc_port | SIE_ISURF_IDISAC);
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HSCX_A_BASE = (caddr_t) ((u_int)sc->sc_port | SIE_ISURF_IDHSCXA);
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HSCX_B_BASE = (caddr_t) ((u_int)sc->sc_port | SIE_ISURF_IDHSCXB);
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IPAC_BASE = (caddr_t) ((u_int)sc->sc_port | SIE_ISURF_IDIPAC);
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/* enable hscx/isac irq's */
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IPAC_WRITE(IPAC_MASK, (IPAC_MASK_INT1 | IPAC_MASK_INT0));
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IPAC_WRITE(IPAC_ACFG, 0); /* outputs are open drain */
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IPAC_WRITE(IPAC_AOE, /* aux 5..2 are inputs, 7, 6 outputs */
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(IPAC_AOE_OE5 | IPAC_AOE_OE4 | IPAC_AOE_OE3 | IPAC_AOE_OE2));
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IPAC_WRITE(IPAC_ATX, 0xff); /* set all output lines high */
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return(1);
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}
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#endif /* NISIC > 0 && defined(SIEMENS_ISURF2) */
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#endif /* FreeBSD */
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