1 /* $NetBSD: esiop_pci.c,v 1.2 2002/04/23 20:41:17 bouyer 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 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Manuel Bouyer. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* SYM53c8xx PCI-SCSI I/O Processors driver: PCI front-end */ 33 34 #include <sys/cdefs.h> 35 __KERNEL_RCSID(0, "$NetBSD: esiop_pci.c,v 1.2 2002/04/23 20:41:17 bouyer Exp $"); 36 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/device.h> 40 #include <sys/kernel.h> 41 42 #include <dev/pci/pcireg.h> 43 #include <dev/pci/pcivar.h> 44 45 #include <dev/scsipi/scsipi_all.h> 46 #include <dev/scsipi/scsipiconf.h> 47 48 #include <dev/ic/siopvar_common.h> 49 #include <dev/pci/siop_pci_common.h> 50 #include <dev/ic/esiopvar.h> 51 52 int esiop_pci_match __P((struct device *, struct cfdata *, void *)); 53 void esiop_pci_attach __P((struct device *, struct device *, void *)); 54 55 struct esiop_pci_softc { 56 struct esiop_softc esiop; 57 struct siop_pci_common_softc esiop_pci; 58 }; 59 60 struct cfattach esiop_pci_ca = { 61 sizeof(struct esiop_pci_softc), esiop_pci_match, esiop_pci_attach 62 }; 63 64 int 65 esiop_pci_match(parent, match, aux) 66 struct device *parent; 67 struct cfdata *match; 68 void *aux; 69 { 70 struct pci_attach_args *pa = aux; 71 const struct siop_product_desc *pp; 72 73 /* look if it's a known product */ 74 pp = siop_lookup_product(pa->pa_id, PCI_REVISION(pa->pa_class)); 75 if (pp == NULL) 76 return 0; 77 /* we need 10 scratch registers and load/store */ 78 if ((pp->features & SF_CHIP_10REGS) == 0) 79 return 0; 80 if ((pp->features & SF_CHIP_LS) == 0) 81 return 0; 82 return 2; 83 } 84 85 void 86 esiop_pci_attach(parent, self, aux) 87 struct device *parent, *self; 88 void *aux; 89 { 90 struct pci_attach_args *pa = aux; 91 struct esiop_pci_softc *sc = (struct esiop_pci_softc *)self; 92 93 if (siop_pci_attach_common(&sc->esiop_pci, &sc->esiop.sc_c, 94 pa, esiop_intr) == 0) 95 return; 96 97 esiop_attach(&sc->esiop); 98 } 99