Annotation of sys/dev/pci/dpt_pci.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: dpt_pci.c,v 1.5 2005/08/09 04:10:11 mickey Exp $ */
2: /* $NetBSD: dpt_pci.c,v 1.2 1999/09/29 17:33:02 ad Exp $ */
3:
4: /*
5: * Copyright (c) 1999 Andy Doran <ad@NetBSD.org>
6: * All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: *
17: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27: * SUCH DAMAGE.
28: *
29: */
30:
31: /*
32: * PCI front-end for DPT EATA SCSI driver.
33: */
34:
35: #include <sys/cdefs.h>
36: #ifdef __NetBSD__
37: __KERNEL_RCSID(0, "$NetBSD: dpt_pci.c,v 1.2 1999/09/29 17:33:02 ad Exp $");
38: #endif /* __NetBSD__ */
39:
40: #include <sys/param.h>
41: #include <sys/systm.h>
42: #include <sys/kernel.h>
43: #include <sys/device.h>
44: #include <sys/queue.h>
45: #include <sys/proc.h>
46:
47: #include <machine/endian.h>
48: #include <machine/bus.h>
49:
50: #ifdef __NetBSD__
51: #include <dev/scsipi/scsi_all.h>
52: #include <dev/scsipi/scsipi_all.h>
53: #include <dev/scsipi/scsiconf.h>
54: #endif /* __NetBSD__ */
55: #ifdef __OpenBSD__
56: #include <scsi/scsi_all.h>
57: #include <scsi/scsiconf.h>
58: #endif /* __OpenBSD__ */
59:
60: #include <dev/pci/pcidevs.h>
61: #include <dev/pci/pcivar.h>
62:
63: #include <dev/ic/dptreg.h>
64: #include <dev/ic/dptvar.h>
65:
66: #define PCI_CBMA 0x14 /* Configuration base memory address */
67: #define PCI_CBIO 0x10 /* Configuration base I/O address */
68:
69: #ifdef __NetBSD__
70: int dpt_pci_match(struct device *, struct cfdata *, void *);
71: #endif /* __NetBSD__ */
72: #ifdef __OpenBSD__
73: int dpt_pci_match(struct device *, void *, void *);
74: #endif /* __OpenBSD__ */
75: void dpt_pci_attach(struct device *, struct device *, void *);
76:
77: struct cfattach dpt_pci_ca = {
78: sizeof(struct dpt_softc), dpt_pci_match, dpt_pci_attach
79: };
80:
81: int
82: dpt_pci_match(parent, match, aux)
83: struct device *parent;
84: #ifdef __NetBSD__
85: struct cfdata *match;
86: #endif /* __NetBSD__ */
87: #ifdef __OpenBSD__
88: void *match;
89: #endif /* __OpenBSD__ */
90: void *aux;
91: {
92: struct pci_attach_args *pa = (struct pci_attach_args *) aux;
93:
94: if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_DPT &&
95: PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_DPT_SC_RAID)
96: return (1);
97:
98: return (0);
99: }
100:
101: void
102: dpt_pci_attach(parent, self, aux)
103: struct device *parent;
104: struct device *self;
105: void *aux;
106: {
107: struct pci_attach_args *pa;
108: struct dpt_softc *sc;
109: pci_chipset_tag_t pc;
110: pci_intr_handle_t ih;
111: const char *intrstr;
112:
113: sc = (struct dpt_softc *)self;
114: pa = (struct pci_attach_args *)aux;
115: pc = pa->pa_pc;
116: printf(": ");
117:
118: if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot,
119: &sc->sc_ioh, NULL, NULL, 0)) {
120: printf("can't map i/o space\n");
121: return;
122: }
123:
124: sc->sc_dmat = pa->pa_dmat;
125:
126: /* Map and establish the interrupt. */
127: if (pci_intr_map(pa, &ih)) {
128: printf("can't map interrupt\n");
129: return;
130: }
131: intrstr = pci_intr_string(pc, ih);
132: #ifdef __NetBSD__
133: sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, dpt_intr, sc);
134: #endif /* __NetBSD__ */
135: #ifdef __OpenBSD__
136: sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, dpt_intr, sc,
137: sc->sc_dv.dv_xname);
138: #endif /* __OpenBSD__ */
139: if (sc->sc_ih == NULL) {
140: printf("can't establish interrupt");
141: if (intrstr != NULL)
142: printf(" at %s", intrstr);
143: printf("\n");
144: return;
145: }
146:
147: /* Read the EATA configuration */
148: if (dpt_readcfg(sc)) {
149: printf("%s: readcfg failed - see dpt(4)\n",
150: sc->sc_dv.dv_xname);
151: return;
152: }
153:
154: /* Now attach to the bus-independant code */
155: dpt_init(sc, intrstr);
156: }
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