Annotation of sys/dev/pci/mpi_pci.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: mpi_pci.c,v 1.14 2007/03/17 10:25:39 dlg Exp $ */
2:
3: /*
4: * Copyright (c) 2005 David Gwynne <dlg@openbsd.org>
5: * Copyright (c) 2005 Marco Peereboom <marco@openbsd.org>
6: *
7: * Permission to use, copy, modify, and distribute this software for any
8: * purpose with or without fee is hereby granted, provided that the above
9: * copyright notice and this permission notice appear in all copies.
10: *
11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18: */
19:
20: #include <sys/param.h>
21: #include <sys/systm.h>
22: #include <sys/kernel.h>
23: #include <sys/malloc.h>
24: #include <sys/device.h>
25:
26: #include <machine/bus.h>
27:
28: #include <dev/pci/pcireg.h>
29: #include <dev/pci/pcivar.h>
30: #include <dev/pci/pcidevs.h>
31:
32: #include <scsi/scsi_all.h>
33: #include <scsi/scsiconf.h>
34:
35: #include <dev/ic/mpireg.h>
36: #include <dev/ic/mpivar.h>
37:
38: int mpi_pci_match(struct device *, void *, void *);
39: void mpi_pci_attach(struct device *, struct device *, void *);
40: int mpi_pci_detach(struct device *, int);
41:
42: struct mpi_pci_softc {
43: struct mpi_softc psc_mpi;
44:
45: pci_chipset_tag_t psc_pc;
46: pcitag_t psc_tag;
47:
48: void *psc_ih;
49: };
50:
51: struct cfattach mpi_pci_ca = {
52: sizeof(struct mpi_pci_softc), mpi_pci_match, mpi_pci_attach,
53: mpi_pci_detach
54: };
55:
56: #define PREAD(s, r) pci_conf_read((s)->psc_pc, (s)->psc_tag, (r))
57: #define PWRITE(s, r, v) pci_conf_write((s)->psc_pc, (s)->psc_tag, (r), (v))
58:
59: static const struct pci_matchid mpi_devices[] = {
60: { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_1030 },
61: { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC909 },
62: { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC909A },
63: { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC919 },
64: { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC919_1 },
65: { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC919X },
66: { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC929 },
67: { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC929_1 },
68: { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC929X },
69: { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC939X },
70: { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC949E },
71: { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC949X },
72: { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064 },
73: { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064A },
74: { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064E },
75: { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1066 },
76: { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1066E },
77: { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068 },
78: { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1078 },
79: { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068E }
80: };
81:
82: int
83: mpi_pci_match(struct device *parent, void *match, void *aux)
84: {
85: return (pci_matchbyid((struct pci_attach_args *)aux, mpi_devices,
86: sizeof(mpi_devices) / sizeof(mpi_devices[0])));
87: }
88:
89: void
90: mpi_pci_attach(struct device *parent, struct device *self, void *aux)
91: {
92: struct mpi_pci_softc *psc = (void *)self;
93: struct mpi_softc *sc = &psc->psc_mpi;
94: struct pci_attach_args *pa = aux;
95: pcireg_t memtype;
96: int r;
97: pci_intr_handle_t ih;
98: const char *intrstr;
99:
100: psc->psc_pc = pa->pa_pc;
101: psc->psc_tag = pa->pa_tag;
102: psc->psc_ih = NULL;
103: sc->sc_dmat = pa->pa_dmat;
104: sc->sc_ios = 0;
105:
106: /* find the appropriate memory base */
107: for (r = PCI_MAPREG_START; r < PCI_MAPREG_END; r += sizeof(memtype)) {
108: memtype = pci_mapreg_type(psc->psc_pc, psc->psc_tag, r);
109: if ((memtype & PCI_MAPREG_TYPE_MASK) == PCI_MAPREG_TYPE_MEM)
110: break;
111: }
112: if (r >= PCI_MAPREG_END) {
113: printf(": unable to locate system interface registers\n");
114: return;
115: }
116:
117: if (pci_mapreg_map(pa, r, memtype, 0, &sc->sc_iot, &sc->sc_ioh,
118: NULL, &sc->sc_ios, 0) != 0) {
119: printf(": unable to map system interface registers\n");
120: return;
121: }
122:
123: /* disable the expansion rom */
124: PWRITE(psc, PCI_ROM_REG, PREAD(psc, PCI_ROM_REG) & ~PCI_ROM_ENABLE);
125:
126: /* hook up the interrupt */
127: if (pci_intr_map(pa, &ih)) {
128: printf(": unable to map interrupt\n");
129: goto unmap;
130: }
131: intrstr = pci_intr_string(psc->psc_pc, ih);
132: psc->psc_ih = pci_intr_establish(psc->psc_pc, ih, IPL_BIO,
133: mpi_intr, sc, sc->sc_dev.dv_xname);
134: if (psc->psc_ih == NULL) {
135: printf(": unable to map interrupt%s%s\n",
136: intrstr == NULL ? "" : " at ",
137: intrstr == NULL ? "" : intrstr);
138: goto unmap;
139: }
140: printf(": %s", intrstr);
141:
142: if (pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ID_REG) ==
143: PCI_ID_CODE(PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_1030))
144: sc->sc_flags |= MPI_F_SPI;
145:
146: if (mpi_attach(sc) != 0) {
147: /* error printed by mpi_attach */
148: goto deintr;
149: }
150:
151: return;
152:
153: deintr:
154: pci_intr_disestablish(psc->psc_pc, psc->psc_ih);
155: psc->psc_ih = NULL;
156: unmap:
157: bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios);
158: sc->sc_ios = 0;
159: }
160:
161: int
162: mpi_pci_detach(struct device *self, int flags)
163: {
164: struct mpi_pci_softc *psc = (struct mpi_pci_softc *)self;
165: struct mpi_softc *sc = &psc->psc_mpi;
166:
167: mpi_detach(sc);
168:
169: if (psc->psc_ih != NULL) {
170: pci_intr_disestablish(psc->psc_pc, psc->psc_ih);
171: psc->psc_ih = NULL;
172: }
173: if (sc->sc_ios != 0) {
174: bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios);
175: sc->sc_ios = 0;
176: }
177:
178: return (0);
179: }
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