esiop_pci.c revision 1.7 
1/*	$NetBSD: esiop_pci.c,v 1.7 2005/02/04 02:10:45 perry 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 1.7 2005/02/04 02:10:45 perry 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 <uvm/uvm_extern.h>
43
44#include <dev/pci/pcireg.h>
45#include <dev/pci/pcivar.h>
46
47#include <dev/scsipi/scsipi_all.h>
48#include <dev/scsipi/scsipiconf.h>
49
50#include <dev/ic/siopvar_common.h>
51#include <dev/pci/siop_pci_common.h>
52#include <dev/ic/esiopvar.h>
53
54int     esiop_pci_match(struct device *, struct cfdata *, void *);
55void    esiop_pci_attach(struct device *, struct device *, void *);
56
57struct esiop_pci_softc {
58	struct esiop_softc esiop;
59	struct siop_pci_common_softc esiop_pci;
60};
61
62CFATTACH_DECL(esiop_pci, sizeof(struct esiop_pci_softc),
63    esiop_pci_match, esiop_pci_attach, NULL, NULL);
64
65int
66esiop_pci_match(parent, match, aux)
67	struct device *parent;
68	struct cfdata *match;
69	void *aux;
70{
71	struct pci_attach_args *pa = aux;
72	const struct siop_product_desc *pp;
73
74	/* look if it's a known product */
75	pp = siop_lookup_product(pa->pa_id, PCI_REVISION(pa->pa_class));
76	if (pp == NULL)
77		return 0;
78	/* we need 10 scratch registers and load/store */
79	if ((pp->features & SF_CHIP_10REGS) == 0)
80		return 0;
81	if ((pp->features & SF_CHIP_LS) == 0)
82		return 0;
83	return 2;
84}
85
86void
87esiop_pci_attach(parent, self, aux)
88	struct device *parent, *self;
89	void *aux;
90{
91	struct pci_attach_args *pa = aux;
92	struct esiop_pci_softc *sc = (struct esiop_pci_softc *)self;
93
94	if (siop_pci_attach_common(&sc->esiop_pci, &sc->esiop.sc_c,
95	    pa, esiop_intr) == 0)
96		return;
97
98	esiop_attach(&sc->esiop);
99}
100