xref: /netbsd-src/sys/dev/pci/siop_pci.c (revision b1c86f5f087524e68db12794ee9c3e3da1ab17a0)
1 /*	$NetBSD: siop_pci.c,v 1.26 2009/10/19 18:41:16 bouyer Exp $	*/
2 
3 /*
4  * Copyright (c) 2000 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: siop_pci.c,v 1.26 2009/10/19 18:41:16 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/siopvar.h>
48 
49 struct siop_pci_softc {
50 	struct siop_softc siop;
51 	struct siop_pci_common_softc siop_pci;
52 };
53 
54 static int
55 siop_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)
63 		return 1;
64 	return 0;
65 }
66 
67 static void
68 siop_pci_attach(device_t parent, device_t self, void *aux)
69 {
70 	struct pci_attach_args *pa = aux;
71 	struct siop_pci_softc *sc = device_private(self);
72 
73 	sc->siop.sc_c.sc_dev = self;
74 	if (siop_pci_attach_common(&sc->siop_pci, &sc->siop.sc_c,
75 	    pa, siop_intr) == 0)
76 		return;
77 
78 	siop_attach(&sc->siop);
79 }
80 
81 CFATTACH_DECL_NEW(siop_pci, sizeof(struct siop_pci_softc),
82     siop_pci_match, siop_pci_attach, NULL, NULL);
83