Annotation of sys/dev/pci/bha_pci.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: bha_pci.c,v 1.8 2007/04/10 17:47:55 miod Exp $ */
2: /* $NetBSD: bha_pci.c,v 1.16 1998/08/15 10:10:53 mycroft Exp $ */
3:
4: /*-
5: * Copyright (c) 1998 The NetBSD Foundation, Inc.
6: * All rights reserved.
7: *
8: * This code is derived from software contributed to The NetBSD Foundation
9: * by Charles M. Hannum.
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
19: * 3. All advertising materials mentioning features or use of this software
20: * must display the following acknowledgement:
21: * This product includes software developed by the NetBSD
22: * Foundation, Inc. and its contributors.
23: * 4. Neither the name of The NetBSD Foundation nor the names of its
24: * contributors may be used to endorse or promote products derived
25: * from this software without specific prior written permission.
26: *
27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37: * POSSIBILITY OF SUCH DAMAGE.
38: */
39:
40: #include <sys/types.h>
41: #include <sys/param.h>
42: #include <sys/systm.h>
43: #include <sys/device.h>
44:
45: #include <machine/bus.h>
46: #include <machine/intr.h>
47:
48: #include <scsi/scsi_all.h>
49: #include <scsi/scsiconf.h>
50:
51: #include <dev/pci/pcivar.h>
52: #include <dev/pci/pcidevs.h>
53:
54: #include <dev/ic/bhareg.h>
55: #include <dev/ic/bhavar.h>
56:
57: #define PCI_CBIO 0x10
58:
59: int bha_pci_match(struct device *, void *, void *);
60: void bha_pci_attach(struct device *, struct device *, void *);
61:
62: struct cfattach bha_pci_ca = {
63: sizeof(struct bha_softc), bha_pci_match, bha_pci_attach
64: };
65:
66: const struct pci_matchid bha_pci_devices[] = {
67: { PCI_VENDOR_BUSLOGIC, PCI_PRODUCT_BUSLOGIC_MULTIMASTER_NC },
68: { PCI_VENDOR_BUSLOGIC, PCI_PRODUCT_BUSLOGIC_MULTIMASTER },
69: };
70:
71: /*
72: * Check the slots looking for a board we recognise
73: * If we find one, note its address (slot) and call
74: * the actual probe routine to check it out.
75: */
76: int
77: bha_pci_match(parent, match, aux)
78: struct device *parent;
79: void *match, *aux;
80: {
81: struct pci_attach_args *pa = aux;
82: bus_space_tag_t iot;
83: bus_space_handle_t ioh;
84: bus_size_t iosize;
85: int rv;
86:
87: if (pci_matchbyid(pa, bha_pci_devices,
88: sizeof(bha_pci_devices)/sizeof(bha_pci_devices[0])) == 0)
89: return (0);
90:
91: if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, &iot, &ioh,
92: NULL, &iosize, 0))
93: return (0);
94:
95: rv = bha_find(iot, ioh, NULL);
96: bus_space_unmap(iot, ioh, iosize);
97:
98: return (rv);
99: }
100:
101: /*
102: * Attach all the sub-devices we can find
103: */
104: void
105: bha_pci_attach(parent, self, aux)
106: struct device *parent, *self;
107: void *aux;
108: {
109: struct pci_attach_args *pa = aux;
110: struct bha_softc *sc = (void *)self;
111: bus_space_tag_t iot;
112: bus_space_handle_t ioh;
113: bus_size_t iosize;
114: struct bha_probe_data bpd;
115: pci_chipset_tag_t pc = pa->pa_pc;
116: pci_intr_handle_t ih;
117: const char *model, *intrstr;
118:
119: if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BUSLOGIC_MULTIMASTER_NC)
120: model = "BusLogic 9xxC SCSI";
121: else if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BUSLOGIC_MULTIMASTER)
122: model = "BusLogic 9xxC SCSI";
123: else
124: model = "unknown model!";
125:
126: if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, &iot, &ioh,
127: NULL, &iosize, 0)) {
128: printf(": unable to map I/O space\n");
129: return;
130: }
131:
132: sc->sc_iot = iot;
133: sc->sc_ioh = ioh;
134: sc->sc_dmat = pa->pa_dmat;
135: if (!bha_find(iot, ioh, &bpd)) {
136: printf(": bha_find failed\n");
137: bus_space_unmap(iot, ioh, iosize);
138: return;
139: }
140:
141: sc->sc_dmaflags = 0;
142:
143: if (pci_intr_map(pa, &ih)) {
144: printf(": couldn't map interrupt\n");
145: bus_space_unmap(iot, ioh, iosize);
146: return;
147: }
148: intrstr = pci_intr_string(pc, ih);
149: sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, bha_intr, sc,
150: sc->sc_dev.dv_xname);
151: if (sc->sc_ih == NULL) {
152: printf(": couldn't establish interrupt");
153: if (intrstr != NULL)
154: printf(" at %s", intrstr);
155: printf("\n");
156: bus_space_unmap(iot, ioh, iosize);
157: return;
158: }
159: printf(": %s, %s\n", intrstr, model);
160:
161: bha_attach(sc, &bpd);
162:
163: bha_disable_isacompat(sc);
164: }
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