mfi_pci.c revision 1.2.2.2 1 1.2.2.2 tron /* $OpenBSD: mfi_pci.c,v 1.11 2006/08/06 04:40:08 brad Exp $ */
2 1.2.2.2 tron /*
3 1.2.2.2 tron * Copyright (c) 2006 Marco Peereboom <marco (at) peereboom.us>
4 1.2.2.2 tron *
5 1.2.2.2 tron * Permission to use, copy, modify, and distribute this software for any
6 1.2.2.2 tron * purpose with or without fee is hereby granted, provided that the above
7 1.2.2.2 tron * copyright notice and this permission notice appear in all copies.
8 1.2.2.2 tron *
9 1.2.2.2 tron * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 1.2.2.2 tron * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 1.2.2.2 tron * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 1.2.2.2 tron * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 1.2.2.2 tron * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 1.2.2.2 tron * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 1.2.2.2 tron * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 1.2.2.2 tron */
17 1.2.2.2 tron
18 1.2.2.2 tron #include <sys/param.h>
19 1.2.2.2 tron #include <sys/systm.h>
20 1.2.2.2 tron #include <sys/kernel.h>
21 1.2.2.2 tron #include <sys/malloc.h>
22 1.2.2.2 tron #include <sys/device.h>
23 1.2.2.2 tron
24 1.2.2.2 tron #include <dev/pci/pcidevs.h>
25 1.2.2.2 tron #include <dev/pci/pcivar.h>
26 1.2.2.2 tron
27 1.2.2.2 tron #include <machine/bus.h>
28 1.2.2.2 tron
29 1.2.2.2 tron #include <dev/scsipi/scsipi_all.h>
30 1.2.2.2 tron #include <dev/scsipi/scsipi_disk.h>
31 1.2.2.2 tron #include <dev/scsipi/scsiconf.h>
32 1.2.2.2 tron
33 1.2.2.2 tron #include <dev/ic/mfireg.h>
34 1.2.2.2 tron #include <dev/ic/mfivar.h>
35 1.2.2.2 tron
36 1.2.2.2 tron #define MFI_BAR 0x10
37 1.2.2.2 tron #define MFI_PCI_MEMSIZE 0x2000 /* 8k */
38 1.2.2.2 tron
39 1.2.2.2 tron int mfi_pci_find_device(void *);
40 1.2.2.2 tron int mfi_pci_match(struct device *, struct cfdata *, void *);
41 1.2.2.2 tron void mfi_pci_attach(struct device *, struct device *, void *);
42 1.2.2.2 tron
43 1.2.2.2 tron CFATTACH_DECL(mfi_pci, sizeof(struct mfi_softc),
44 1.2.2.2 tron mfi_pci_match, mfi_pci_attach, NULL, NULL);
45 1.2.2.2 tron
46 1.2.2.2 tron struct mfi_pci_device {
47 1.2.2.2 tron pcireg_t mpd_vendor;
48 1.2.2.2 tron pcireg_t mpd_product;
49 1.2.2.2 tron pcireg_t mpd_subvendor;
50 1.2.2.2 tron pcireg_t mpd_subproduct;
51 1.2.2.2 tron const char *mpd_model;
52 1.2.2.2 tron uint32_t mpd_flags;
53 1.2.2.2 tron };
54 1.2.2.2 tron
55 1.2.2.2 tron static const
56 1.2.2.2 tron struct mfi_pci_device mfi_pci_devices[] = {
57 1.2.2.2 tron { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_MEGARAID_SAS,
58 1.2.2.2 tron 0, 0, "", 0 },
59 1.2.2.2 tron { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_MEGARAID_VERDE_ZCR,
60 1.2.2.2 tron 0, 0, "", 0 },
61 1.2.2.2 tron { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_5,
62 1.2.2.2 tron PCI_VENDOR_DELL, 0x1f01, "Dell PERC 5/e", 0 },
63 1.2.2.2 tron { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_5,
64 1.2.2.2 tron PCI_VENDOR_DELL, 0x1f02, "Dell PERC 5/i", 0 },
65 1.2.2.2 tron { 0, 0,
66 1.2.2.2 tron 0, 0, NULL, 0}
67 1.2.2.2 tron };
68 1.2.2.2 tron
69 1.2.2.2 tron int
70 1.2.2.2 tron mfi_pci_find_device(void *aux) {
71 1.2.2.2 tron struct pci_attach_args *pa = aux;
72 1.2.2.2 tron int i;
73 1.2.2.2 tron
74 1.2.2.2 tron for (i = 0; mfi_pci_devices[i].mpd_vendor; i++) {
75 1.2.2.2 tron if (mfi_pci_devices[i].mpd_vendor == PCI_VENDOR(pa->pa_id) &&
76 1.2.2.2 tron mfi_pci_devices[i].mpd_product == PCI_PRODUCT(pa->pa_id)) {
77 1.2.2.2 tron DNPRINTF(MFI_D_MISC, "mfi_pci_find_device: %i\n", i);
78 1.2.2.2 tron return (i);
79 1.2.2.2 tron }
80 1.2.2.2 tron }
81 1.2.2.2 tron
82 1.2.2.2 tron return (-1);
83 1.2.2.2 tron }
84 1.2.2.2 tron
85 1.2.2.2 tron int
86 1.2.2.2 tron mfi_pci_match(struct device *parent, struct cfdata *match, void *aux)
87 1.2.2.2 tron {
88 1.2.2.2 tron int i;
89 1.2.2.2 tron
90 1.2.2.2 tron if ((i = mfi_pci_find_device(aux)) != -1) {
91 1.2.2.2 tron DNPRINTF(MFI_D_MISC,
92 1.2.2.2 tron "mfi_pci_match: vendor: %04x product: %04x\n",
93 1.2.2.2 tron mfi_pci_devices[i].mpd_vendor,
94 1.2.2.2 tron mfi_pci_devices[i].mpd_product);
95 1.2.2.2 tron
96 1.2.2.2 tron return (1);
97 1.2.2.2 tron }
98 1.2.2.2 tron
99 1.2.2.2 tron return (0);
100 1.2.2.2 tron }
101 1.2.2.2 tron
102 1.2.2.2 tron void
103 1.2.2.2 tron mfi_pci_attach(struct device *parent, struct device *self, void *aux)
104 1.2.2.2 tron {
105 1.2.2.2 tron struct mfi_softc *sc = (struct mfi_softc *)self;
106 1.2.2.2 tron struct pci_attach_args *pa = aux;
107 1.2.2.2 tron const char *intrstr;
108 1.2.2.2 tron pci_intr_handle_t ih;
109 1.2.2.2 tron bus_size_t size;
110 1.2.2.2 tron pcireg_t csr;
111 1.2.2.2 tron uint32_t subsysid, i;
112 1.2.2.2 tron
113 1.2.2.2 tron subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
114 1.2.2.2 tron for (i = 0; mfi_pci_devices[i].mpd_vendor; i++)
115 1.2.2.2 tron if (mfi_pci_devices[i].mpd_subvendor == PCI_VENDOR(subsysid) &&
116 1.2.2.2 tron mfi_pci_devices[i].mpd_subproduct == PCI_PRODUCT(subsysid)){
117 1.2.2.2 tron aprint_normal(", %s",
118 1.2.2.2 tron mfi_pci_devices[i].mpd_model);
119 1.2.2.2 tron break;
120 1.2.2.2 tron }
121 1.2.2.2 tron
122 1.2.2.2 tron csr = pci_mapreg_type(pa->pa_pc, pa->pa_tag, MFI_BAR);
123 1.2.2.2 tron csr |= PCI_MAPREG_MEM_TYPE_32BIT;
124 1.2.2.2 tron if (pci_mapreg_map(pa, MFI_BAR, csr, 0,
125 1.2.2.2 tron &sc->sc_iot, &sc->sc_ioh, NULL, &size)) {
126 1.2.2.2 tron aprint_error(": can't map controller pci space\n");
127 1.2.2.2 tron return;
128 1.2.2.2 tron }
129 1.2.2.2 tron
130 1.2.2.2 tron sc->sc_dmat = pa->pa_dmat;
131 1.2.2.2 tron
132 1.2.2.2 tron if (pci_intr_map(pa, &ih)) {
133 1.2.2.2 tron aprint_error(": can't map interrupt\n");
134 1.2.2.2 tron bus_space_unmap(sc->sc_iot, sc->sc_ioh, size);
135 1.2.2.2 tron return;
136 1.2.2.2 tron }
137 1.2.2.2 tron intrstr = pci_intr_string(pa->pa_pc, ih);
138 1.2.2.2 tron sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, mfi_intr, sc);
139 1.2.2.2 tron if (!sc->sc_ih) {
140 1.2.2.2 tron aprint_error(": can't establish interrupt");
141 1.2.2.2 tron if (intrstr)
142 1.2.2.2 tron aprint_error(" at %s", intrstr);
143 1.2.2.2 tron aprint_error("\n");
144 1.2.2.2 tron bus_space_unmap(sc->sc_iot, sc->sc_ioh, size);
145 1.2.2.2 tron return;
146 1.2.2.2 tron }
147 1.2.2.2 tron
148 1.2.2.2 tron aprint_normal(": %s\n", intrstr);
149 1.2.2.2 tron
150 1.2.2.2 tron if (mfi_attach(sc)) {
151 1.2.2.2 tron aprint_error("%s: can't attach", DEVNAME(sc));
152 1.2.2.2 tron pci_intr_disestablish(pa->pa_pc, sc->sc_ih);
153 1.2.2.2 tron sc->sc_ih = NULL;
154 1.2.2.2 tron bus_space_unmap(sc->sc_iot, sc->sc_ioh, size);
155 1.2.2.2 tron }
156 1.2.2.2 tron }
157