esiop_pci.c revision 1.17 
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
49struct esiop_pci_softc {
50	struct esiop_softc esiop;
51	struct siop_pci_common_softc esiop_pci;
52};
53
54static int
55esiop_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
72static void
73esiop_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
87CFATTACH_DECL_NEW(esiop_pci, sizeof(struct esiop_pci_softc),
88    esiop_pci_match, esiop_pci_attach, NULL, NULL);
89