1 /* $NetBSD: esiop_pci.c,v 1.17 2009/10/19 18:41:15 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 * 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 1.17 2009/10/19 18:41:15 bouyer 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 <uvm/uvm_extern.h> 38 39 #include <dev/pci/pcireg.h> 40 #include <dev/pci/pcivar.h> 41 42 #include <dev/scsipi/scsipi_all.h> 43 #include <dev/scsipi/scsipiconf.h> 44 45 #include <dev/ic/siopvar_common.h> 46 #include <dev/pci/siop_pci_common.h> 47 #include <dev/ic/esiopvar.h> 48 49 struct esiop_pci_softc { 50 struct esiop_softc esiop; 51 struct siop_pci_common_softc esiop_pci; 52 }; 53 54 static int 55 esiop_pci_match(device_t parent, cfdata_t match, void *aux) 56 { 57 struct pci_attach_args *pa = aux; 58 const struct siop_product_desc *pp; 59 60 /* look if it's a known product */ 61 pp = siop_lookup_product(pa->pa_id, PCI_REVISION(pa->pa_class)); 62 if (pp == NULL) 63 return 0; 64 /* we need 10 scratch registers and load/store */ 65 if ((pp->features & SF_CHIP_10REGS) == 0) 66 return 0; 67 if ((pp->features & SF_CHIP_LS) == 0) 68 return 0; 69 return 2; 70 } 71 72 static void 73 esiop_pci_attach(device_t parent, device_t self, void *aux) 74 { 75 struct pci_attach_args *pa = aux; 76 struct esiop_pci_softc *sc = device_private(self); 77 78 sc->esiop.sc_c.sc_dev = self; 79 if (siop_pci_attach_common(&sc->esiop_pci, &sc->esiop.sc_c, 80 pa, esiop_intr) == 0) 81 return; 82 83 esiop_attach(&sc->esiop); 84 } 85 86 87 CFATTACH_DECL_NEW(esiop_pci, sizeof(struct esiop_pci_softc), 88 esiop_pci_match, esiop_pci_attach, NULL, NULL); 89