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      1 /*	$NetBSD: esiop_pci.c,v 1.18 2010/11/13 13:52:05 uebayasi Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2002 Manuel Bouyer.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     25  */
     26 
     27 /* SYM53c8xx PCI-SCSI I/O Processors driver: PCI front-end */
     28 
     29 #include <sys/cdefs.h>
     30 __KERNEL_RCSID(0, "$NetBSD: esiop_pci.c,v 1.18 2010/11/13 13:52:05 uebayasi Exp $");
     31 
     32 #include <sys/param.h>
     33 #include <sys/systm.h>
     34 #include <sys/device.h>
     35 #include <sys/kernel.h>
     36 
     37 #include <dev/pci/pcireg.h>
     38 #include <dev/pci/pcivar.h>
     39 
     40 #include <dev/scsipi/scsipi_all.h>
     41 #include <dev/scsipi/scsipiconf.h>
     42 
     43 #include <dev/ic/siopvar_common.h>
     44 #include <dev/pci/siop_pci_common.h>
     45 #include <dev/ic/esiopvar.h>
     46 
     47 struct esiop_pci_softc {
     48 	struct esiop_softc esiop;
     49 	struct siop_pci_common_softc esiop_pci;
     50 };
     51 
     52 static int
     53 esiop_pci_match(device_t parent, cfdata_t match, void *aux)
     54 {
     55 	struct pci_attach_args *pa = aux;
     56 	const struct siop_product_desc *pp;
     57 
     58 	/* look if it's a known product */
     59 	pp = siop_lookup_product(pa->pa_id, PCI_REVISION(pa->pa_class));
     60 	if (pp == NULL)
     61 		return 0;
     62 	/* we need 10 scratch registers and load/store */
     63 	if ((pp->features & SF_CHIP_10REGS) == 0)
     64 		return 0;
     65 	if ((pp->features & SF_CHIP_LS) == 0)
     66 		return 0;
     67 	return 2;
     68 }
     69 
     70 static void
     71 esiop_pci_attach(device_t parent, device_t self, void *aux)
     72 {
     73 	struct pci_attach_args *pa = aux;
     74 	struct esiop_pci_softc *sc = device_private(self);
     75 
     76 	sc->esiop.sc_c.sc_dev = self;
     77 	if (siop_pci_attach_common(&sc->esiop_pci, &sc->esiop.sc_c,
     78 	    pa, esiop_intr) == 0)
     79 		return;
     80 
     81 	esiop_attach(&sc->esiop);
     82 }
     83 
     84 
     85 CFATTACH_DECL_NEW(esiop_pci, sizeof(struct esiop_pci_softc),
     86     esiop_pci_match, esiop_pci_attach, NULL, NULL);
     87