esiop_pci.c revision 1.2 
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
52int     esiop_pci_match __P((struct device *, struct cfdata *, void *));
53void    esiop_pci_attach __P((struct device *, struct device *, void *));
54
55struct esiop_pci_softc {
56	struct esiop_softc esiop;
57	struct siop_pci_common_softc esiop_pci;
58};
59
60struct cfattach esiop_pci_ca = {
61	sizeof(struct esiop_pci_softc), esiop_pci_match, esiop_pci_attach
62};
63
64int
65esiop_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
85void
86esiop_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