freebsd-dev/sys/dev/ar/if_ar_pci.c
Yoshihiro Takahashi d4fcf3cba5 Remove bus_{mem,p}io.h and related code for a micro-optimization on i386
and amd64.  The optimization is a trivial on recent machines.

Reviewed by:	-arch (imp, marcel, dfr)
2005-05-29 04:42:30 +00:00

169 lines
4.8 KiB
C

/*-
* 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/ic/hd64570.h>
#include <dev/ar/if_arregs.h>
#ifdef TRACE
#define TRC(x) x
#else
#define TRC(x)
#endif
#define TRCL(x) x
static int ar_pci_probe(device_t);
static int ar_pci_attach(device_t);
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 }
};
static driver_t ar_pci_driver = {
"ar",
ar_pci_methods,
sizeof(struct ar_hardc),
};
DRIVER_MODULE(ar, pci, ar_pci_driver, ar_devclass, 0, 0);
MODULE_DEPEND(ar, pci, 1, 1, 1);
static int
ar_pci_probe(device_t device)
{
u_int32_t type = pci_get_devid(device);
switch(type) {
case 0x5012114f:
device_set_desc(device, "Digi SYNC/570i-PCI 2 port");
return (BUS_PROBE_DEFAULT);
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:
device_set_desc(device, "Digi SYNC/570i-PCI 4 port");
return (BUS_PROBE_DEFAULT);
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;
}
return (ENXIO);
}
static int
ar_pci_attach(device_t device)
{
int error;
u_int i, tmp;
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->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->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. */
bus_space_write_1(rman_get_bustag(hc->res_plx_memory),
rman_get_bushandle(hc->res_plx_memory), 0x69, 0x09);
return (0);
errexit:
ar_deallocate_resources(device);
return (ENXIO);
}