170 lines
4.8 KiB
C
170 lines
4.8 KiB
C
/*-
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* Copyright (c) 1999 - 2001 John Hay.
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* 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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* 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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*
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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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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <machine/bus_pio.h>
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#include <machine/bus_memio.h>
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#include <sys/rman.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/ic/hd64570.h>
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#include <dev/ar/if_arregs.h>
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#ifdef TRACE
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#define TRC(x) x
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#else
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#define TRC(x)
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#endif
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#define TRCL(x) x
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static int ar_pci_probe(device_t);
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static int ar_pci_attach(device_t);
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static device_method_t ar_pci_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, ar_pci_probe),
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DEVMETHOD(device_attach, ar_pci_attach),
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DEVMETHOD(device_detach, ar_detach),
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{ 0, 0 }
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};
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static driver_t ar_pci_driver = {
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"ar",
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ar_pci_methods,
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sizeof(struct ar_hardc),
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};
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DRIVER_MODULE(ar, pci, ar_pci_driver, ar_devclass, 0, 0);
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MODULE_DEPEND(ar, pci, 1, 1, 1);
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static int
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ar_pci_probe(device_t device)
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{
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u_int32_t type = pci_get_devid(device);
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switch(type) {
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case 0x5012114f:
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device_set_desc(device, "Digi SYNC/570i-PCI 2 port");
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return (0);
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break;
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case 0x5010114f:
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printf("Digi SYNC/570i-PCI 2 port (mapped below 1M)\n");
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printf("Please change the jumper to select linear mode.\n");
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break;
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case 0x5013114f:
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device_set_desc(device, "Digi SYNC/570i-PCI 4 port");
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return (0);
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break;
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case 0x5011114f:
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printf("Digi SYNC/570i-PCI 4 port (mapped below 1M)\n");
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printf("Please change the jumper to select linear mode.\n");
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break;
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default:
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break;
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}
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return (ENXIO);
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}
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static int
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ar_pci_attach(device_t device)
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{
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int error;
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u_int i, tmp;
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struct ar_hardc *hc;
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hc = (struct ar_hardc *)device_get_softc(device);
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bzero(hc, sizeof(struct ar_hardc));
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error = ar_allocate_plx_memory(device, 0x10, 1);
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if(error)
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goto errexit;
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error = ar_allocate_memory(device, 0x18, 1);
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if(error)
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goto errexit;
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error = ar_allocate_irq(device, 0, 1);
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if(error)
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goto errexit;
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hc->mem_start = rman_get_virtual(hc->res_memory);
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hc->cunit = device_get_unit(device);
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hc->sca[0] = (sca_regs *)(hc->mem_start + AR_PCI_SCA_1_OFFSET);
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hc->sca[1] = (sca_regs *)(hc->mem_start + AR_PCI_SCA_2_OFFSET);
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hc->orbase = (u_char *)(hc->mem_start + AR_PCI_ORBASE_OFFSET);
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tmp = hc->orbase[AR_BMI * 4];
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hc->bustype = tmp & AR_BUS_MSK;
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hc->memsize = (tmp & AR_MEM_MSK) >> AR_MEM_SHFT;
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hc->memsize = 1 << hc->memsize;
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hc->memsize <<= 16;
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hc->interface[0] = (tmp & AR_IFACE_MSK);
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tmp = hc->orbase[AR_REV * 4];
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hc->revision = tmp & AR_REV_MSK;
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hc->winsize = (1 << ((tmp & AR_WSIZ_MSK) >> AR_WSIZ_SHFT)) * 16 * 1024;
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hc->mem_end = (caddr_t)(hc->mem_start + hc->winsize);
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hc->winmsk = hc->winsize - 1;
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hc->numports = hc->orbase[AR_PNUM * 4];
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hc->handshake = hc->orbase[AR_HNDSH * 4];
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for(i = 1; i < hc->numports; i++)
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hc->interface[i] = hc->interface[0];
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TRC(printf("arp%d: bus %x, rev %d, memstart %p, winsize %d, "
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"winmsk %x, interface %x\n",
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unit, hc->bustype, hc->revision, hc->mem_start, hc->winsize,
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hc->winmsk, hc->interface[0]));
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ar_attach(device);
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/* Magic to enable the card to generate interrupts. */
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bus_space_write_1(rman_get_bustag(hc->res_plx_memory),
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rman_get_bushandle(hc->res_plx_memory), 0x69, 0x09);
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return (0);
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errexit:
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ar_deallocate_resources(device);
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return (ENXIO);
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}
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