freebsd-dev/sys/dev/ar/if_ar_pci.c

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/*
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* Copyright (c) 1999 - 2001 John Hay.
* 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 author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* 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.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
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#include <sys/bus.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <machine/bus_pio.h>
#include <machine/bus_memio.h>
#include <sys/rman.h>
#include <pci/pcireg.h>
#include <pci/pcivar.h>
#include <dev/ic/hd64570.h>
#include <dev/ar/if_arregs.h>
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#ifdef TRACE
#define TRC(x) x
#else
#define TRC(x)
#endif
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#define TRCL(x) x
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static int ar_pci_probe(device_t);
static int ar_pci_attach(device_t);
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static device_method_t ar_pci_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, ar_pci_probe),
DEVMETHOD(device_attach, ar_pci_attach),
DEVMETHOD(device_detach, ar_detach),
{ 0, 0 }
};
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static driver_t ar_pci_driver = {
"ar",
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ar_pci_methods,
sizeof(struct ar_hardc),
};
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DRIVER_MODULE(if_ar, pci, ar_pci_driver, ar_devclass, 0, 0);
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static int
ar_pci_probe(device_t device)
{
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u_int32_t type = pci_get_devid(device);
switch(type) {
case 0x5012114f:
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device_set_desc(device, "Digi SYNC/570i-PCI 2 port");
return (0);
break;
case 0x5010114f:
printf("Digi SYNC/570i-PCI 2 port (mapped below 1M)\n");
printf("Please change the jumper to select linear mode.\n");
break;
case 0x5013114f:
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device_set_desc(device, "Digi SYNC/570i-PCI 4 port");
return (0);
break;
case 0x5011114f:
printf("Digi SYNC/570i-PCI 4 port (mapped below 1M)\n");
printf("Please change the jumper to select linear mode.\n");
break;
default:
break;
}
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return (ENXIO);
}
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static int
ar_pci_attach(device_t device)
{
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int error;
u_int i, tmp;
u_char *inten;
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struct ar_hardc *hc;
hc = (struct ar_hardc *)device_get_softc(device);
bzero(hc, sizeof(struct ar_hardc));
error = ar_allocate_plx_memory(device, 0x10, 1);
if(error)
goto errexit;
error = ar_allocate_memory(device, 0x18, 1);
if(error)
goto errexit;
error = ar_allocate_irq(device, 0, 1);
if(error)
goto errexit;
hc->plx_mem = rman_get_virtual(hc->res_plx_memory);
hc->mem_start = rman_get_virtual(hc->res_memory);
hc->cunit = device_get_unit(device);
hc->sca[0] = (sca_regs *)(hc->mem_start + AR_PCI_SCA_1_OFFSET);
hc->sca[1] = (sca_regs *)(hc->mem_start + AR_PCI_SCA_2_OFFSET);
hc->iobase = 0;
hc->orbase = (u_char *)(hc->mem_start + AR_PCI_ORBASE_OFFSET);
tmp = hc->orbase[AR_BMI * 4];
hc->bustype = tmp & AR_BUS_MSK;
hc->memsize = (tmp & AR_MEM_MSK) >> AR_MEM_SHFT;
hc->memsize = 1 << hc->memsize;
hc->memsize <<= 16;
hc->interface[0] = (tmp & AR_IFACE_MSK);
tmp = hc->orbase[AR_REV * 4];
hc->revision = tmp & AR_REV_MSK;
hc->winsize = (1 << ((tmp & AR_WSIZ_MSK) >> AR_WSIZ_SHFT)) * 16 * 1024;
hc->mem_end = (caddr_t)(hc->mem_start + hc->winsize);
hc->winmsk = hc->winsize - 1;
hc->numports = hc->orbase[AR_PNUM * 4];
hc->handshake = hc->orbase[AR_HNDSH * 4];
for(i = 1; i < hc->numports; i++)
hc->interface[i] = hc->interface[0];
TRC(printf("arp%d: bus %x, rev %d, memstart %p, winsize %d, "
"winmsk %x, interface %x\n",
unit, hc->bustype, hc->revision, hc->mem_start, hc->winsize,
hc->winmsk, hc->interface[0]));
ar_attach(device);
/* Magic to enable the card to generate interrupts. */
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inten = (u_char *)hc->plx_mem;
inten[0x69] = 0x09;
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return (0);
errexit:
ar_deallocate_resources(device);
return (ENXIO);
}
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