1/*	$OpenBSD: iha_pci.c,v 1.21 2022/04/16 19:19:59 naddy Exp $ */
2/*-------------------------------------------------------------------------
3 *
4 * Device driver for the INI-9XXXU/UW or INIC-940/950  PCI SCSI Controller.
5 *
6 * Written for 386bsd and FreeBSD by
7 *	Winston Hung		<winstonh@initio.com>
8 *
9 * Copyright (c) 1997-1999 Initio Corp
10 * Copyright (c) 2000-2002 Ken Westerback
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 *    notice, this list of conditions and the following disclaimer,
17 *    without modification, immediately at the beginning of the file.
18 * 2. The name of the author may not be used to endorse or promote products
19 *    derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
25 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
27 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
29 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
30 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31 * THE POSSIBILITY OF SUCH DAMAGE.
32 *
33 *-------------------------------------------------------------------------
34 */
35#include <sys/param.h>
36#include <sys/systm.h>
37#include <sys/device.h>
38
39#include <dev/pci/pcidevs.h>
40#include <dev/pci/pcivar.h>
41
42#include <scsi/scsi_all.h>
43#include <scsi/scsiconf.h>
44
45#include <dev/ic/iha.h>
46
47int  iha_pci_probe(struct device *, void *, void *);
48void iha_pci_attach(struct device *, struct device *, void *);
49
50const struct cfattach iha_pci_ca = {
51	sizeof(struct iha_softc), iha_pci_probe, iha_pci_attach
52};
53
54struct cfdriver iha_cd = {
55	NULL, "iha", DV_DULL
56};
57
58const struct scsi_adapter iha_switch = {
59	iha_scsi_cmd, NULL, NULL, NULL, NULL
60};
61
62int
63iha_pci_probe(struct device *parent, void *match, void *aux)
64{
65	struct pci_attach_args *pa = aux;
66
67	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INITIO)
68		switch (PCI_PRODUCT(pa->pa_id)) {
69		case PCI_PRODUCT_INITIO_INIC940:
70		case PCI_PRODUCT_INITIO_INIC941:
71		case PCI_PRODUCT_INITIO_INIC950:
72			return (1);
73		}
74
75	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_DTCTECH)
76		switch (PCI_PRODUCT(pa->pa_id)) {
77		case PCI_PRODUCT_DTCTECH_DMX3194U:
78			return (1);
79		}
80
81	return (0);
82}
83
84void
85iha_pci_attach(struct device *parent, struct device *self, void *aux)
86{
87	struct pci_attach_args *pa = aux;
88	struct scsibus_attach_args saa;
89	bus_space_handle_t ioh;
90	pci_intr_handle_t ih;
91	struct iha_softc *sc = (void *)self;
92	bus_space_tag_t iot;
93	const char *intrstr;
94	int ioh_valid;
95
96	/*
97	 * XXX - Tried memory mapping (using code from adw and ahc)
98	 *	 rather that IO mapping, but it didn't work at all..
99	 */
100	ioh_valid = pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_IO, 0,
101	    &iot, &ioh, NULL, NULL, 0);
102
103	if (ioh_valid != 0) {
104		printf("%s: unable to map registers\n", sc->sc_dev.dv_xname);
105		return;
106	}
107
108	sc->sc_iot  = iot;
109	sc->sc_ioh  = ioh;
110	sc->sc_dmat = pa->pa_dmat;
111
112	if (pci_intr_map(pa, &ih)) {
113		printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
114		return;
115	}
116	intrstr = pci_intr_string(pa->pa_pc, ih);
117
118	sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, iha_intr, sc,
119				       sc->sc_dev.dv_xname);
120
121	if (sc->sc_ih == NULL) {
122		printf(": couldn't establish interrupt");
123		if (intrstr != NULL)
124			printf(" at %s", intrstr);
125		printf("\n");
126	} else {
127		if (intrstr != NULL)
128			printf(": %s\n", intrstr);
129
130		if (iha_init_tulip(sc) == 0) {
131			saa.saa_adapter_softc    = sc;
132			saa.saa_adapter	         = &iha_switch;
133			saa.saa_adapter_target   = sc->sc_id;
134			saa.saa_adapter_buswidth = sc->sc_maxtargets;
135			saa.saa_luns		 = 8;
136			saa.saa_openings	 = 4; /* # xs's allowed per device */
137			saa.saa_pool             = &sc->sc_iopool;
138			saa.saa_quirks = saa.saa_flags = 0;
139			saa.saa_wwpn = saa.saa_wwnn = 0;
140
141			config_found(&sc->sc_dev, &saa, scsiprint);
142		}
143	}
144}
145