Annotation of sys/dev/pci/iha_pci.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: iha_pci.c,v 1.11 2006/11/29 00:56:51 dlg 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:
47: int iha_pci_probe(struct device *, void *, void *);
48: void iha_pci_attach(struct device *, struct device *, void *);
49:
50: struct cfattach iha_pci_ca = {
51: sizeof(struct iha_softc), iha_pci_probe, iha_pci_attach
52: };
53:
54: int
55: iha_pci_probe(parent, match, aux)
56: struct device *parent;
57: void *match;
58: void *aux;
59: {
60: struct pci_attach_args *pa = aux;
61:
62: if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INITIO)
63: switch (PCI_PRODUCT(pa->pa_id)) {
64: case PCI_PRODUCT_INITIO_INIC940:
65: case PCI_PRODUCT_INITIO_INIC950:
66: return (1);
67: }
68:
69: if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_DTCTECH)
70: switch (PCI_PRODUCT(pa->pa_id)) {
71: case PCI_PRODUCT_DTCTECH_DMX3194U:
72: return (1);
73: }
74:
75: return (0);
76: }
77:
78: void
79: iha_pci_attach(parent, self, aux)
80: struct device *parent;
81: struct device *self;
82: void *aux;
83: {
84: struct pci_attach_args *pa = aux;
85: struct scsibus_attach_args saa;
86: bus_space_handle_t ioh;
87: pci_intr_handle_t ih;
88: struct iha_softc *sc = (void *)self;
89: bus_space_tag_t iot;
90: const char *intrstr;
91: int ioh_valid;
92:
93: /*
94: * XXX - Tried memory mapping (using code from adw and ahc)
95: * rather that IO mapping, but it didn't work at all..
96: */
97: ioh_valid = pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_IO, 0,
98: &iot, &ioh, NULL, NULL, 0);
99:
100: if (ioh_valid != 0) {
101: printf("%s: unable to map registers\n", sc->sc_dev.dv_xname);
102: return;
103: }
104:
105: sc->sc_iot = iot;
106: sc->sc_ioh = ioh;
107: sc->sc_dmat = pa->pa_dmat;
108:
109: if (pci_intr_map(pa, &ih)) {
110: printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
111: return;
112: }
113: intrstr = pci_intr_string(pa->pa_pc, ih);
114:
115: sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, iha_intr, sc,
116: sc->sc_dev.dv_xname);
117:
118: if (sc->sc_ih == NULL) {
119: printf(": couldn't establish interrupt");
120: if (intrstr != NULL)
121: printf(" at %s", intrstr);
122: printf("\n");
123: } else {
124: if (intrstr != NULL)
125: printf(": %s\n", intrstr);
126:
127: if (iha_init_tulip(sc) == 0) {
128: bzero(&saa, sizeof(saa));
129: saa.saa_sc_link = &sc->sc_link;
130: config_found(&sc->sc_dev, &saa, scsiprint);
131: }
132: }
133: }
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