1 /* $OpenBSD: trm_pci.c,v 1.4 2006/11/28 23:59:45 dlg Exp $
2 * ------------------------------------------------------------
3 * O.S : OpenBSD
4 * FILE NAME : trm_pci.c
5 * BY : Erich Chen (erich@tekram.com.tw)
6 * Description: Device Driver for Tekram DC395U/UW/F,DC315/U
7 * PCI SCSI Bus Master Host Adapter
8 * (SCSI chip set used Tekram ASIC TRM-S1040)
9 * (C)Copyright 1995-1999 Tekram Technology Co., Ltd.
10 * (C)Copyright 2001-2002 Ashley R. Martens and Kenneth R. Westerback
11 * ------------------------------------------------------------
12 * HISTORY:
13 *
14 * REV# DATE NAME DESCRIPTION
15 * 1.00 05/01/99 ERICH CHEN First released for NetBSD 1.4.x
16 * 1.01 00/00/00 MARTIN AKESSON Port to OpenBSD 2.8
17 * 1.02 Sep 19, 2001 ASHLEY MARTENS Cleanup and formatting
18 * ------------------------------------------------------------
19 *
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions
22 * are met:
23 * 1. Redistributions of source code must retain the above copyright
24 * notice, this list of conditions and the following disclaimer.
25 * 2. Redistributions in binary form must reproduce the above copyright
26 * notice, this list of conditions and the following disclaimer in the
27 * documentation and/or other materials provided with the distribution.
28 * 3. The name of the author may not be used to endorse or promote products
29 * derived from this software without specific prior written permission.
30 *
31 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
32 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
33 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
34 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
35 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
36 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
37 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
38 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
39 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
40 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
41 *
42 * ------------------------------------------------------------
43 */
44
45 #include <sys/param.h>
46 #include <sys/systm.h>
47 #include <sys/device.h>
48
49 #include <dev/pci/pcidevs.h>
50 #include <dev/pci/pcivar.h>
51
52 #include <scsi/scsi_all.h>
53 #include <scsi/scsiconf.h>
54
55 #include <dev/ic/trm.h>
56
57 int trm_pci_probe (struct device *, void *, void *);
58 void trm_pci_attach (struct device *, struct device *, void *);
59
60 struct cfattach trm_pci_ca = {
61 sizeof(struct trm_softc),
62 trm_pci_probe,
63 trm_pci_attach,
64 NULL, /* Detach */
65 NULL, /* Activate */
66 };
67
68
69 /*
70 * ------------------------------------------------------------
71 * Function : trm_pci_probe
72 * Purpose : Check the slots looking for a board we recognize.
73 * If we find one, note ti's address (slot) and call
74 * the actual probe routine to check it out.
75 * Inputs :
76 * ------------------------------------------------------------
77 */
78 int
79 trm_pci_probe(struct device *parent, void *match, void *aux)
80 {
81 struct pci_attach_args *pa = aux;
82
83 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_TEKRAM2) {
84 switch (PCI_PRODUCT(pa->pa_id)) {
85 case PCI_PRODUCT_TEKRAM2_DC3X5U:
86 return 1;
87 }
88 }
89 return 0;
90 }
91
92 /*
93 * ------------------------------------------------------------
94 * Function : trm_pci_attach
95 * Purpose :
96 * Inputs :
97 * ------------------------------------------------------------
98 */
99 void
100 trm_pci_attach(struct device *parent, struct device *self, void *aux)
101 {
102 struct pci_attach_args *pa = aux;
103 struct scsibus_attach_args saa;
104 bus_space_handle_t ioh;/* bus space handle */
105 pci_intr_handle_t ih;
106 struct trm_softc *sc = (void *)self;
107 bus_space_tag_t iot; /* bus space tag */
108 const char *intrstr;
109 int unit;
110
111 unit = sc->sc_device.dv_unit;
112
113 if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_TEKRAM2_DC3X5U)
114 return;
115
116 /*
117 * mask for get correct base address of pci IO port
118 */
119 if (pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_IO, 0,
120 &iot, &ioh, NULL, NULL, 0) != 0) {
121 printf("%s: unable to map registers\n", sc->sc_device.dv_xname);
122 return;
123 }
124
125 /*
126 * test checksum of eeprom & initial "ACB" adapter control block
127 */
128 sc->sc_iotag = iot;
129 sc->sc_iohandle = ioh;
130 sc->sc_dmatag = pa->pa_dmat;
131
132 if (trm_init(sc, unit) != 0) {
133 printf("%s: trm_init failed", sc->sc_device.dv_xname);
134 return;
135 }
136
137 /*
138 * Map and establish interrupt
139 */
140 if (pci_intr_map(pa, &ih)) {
141 printf("%s: couldn't map interrupt\n", sc->sc_device.dv_xname);
142 return;
143 }
144 intrstr = pci_intr_string(pa->pa_pc, ih);
145
146 if (pci_intr_establish(pa->pa_pc, ih, IPL_BIO, trm_Interrupt, sc,
147 sc->sc_device.dv_xname) == NULL) {
148 printf("\n%s: couldn't establish interrupt", sc->sc_device.dv_xname);
149 if (intrstr != NULL)
150 printf(" at %s", intrstr);
151 printf("\n");
152 } else {
153 if (intrstr != NULL)
154 printf(": %s\n", intrstr);
155
156 bzero(&saa, sizeof(saa));
157 saa.saa_sc_link = &sc->sc_link;
158
159 /* Tell SCSI layer about our SCSI bus */
160 config_found(&sc->sc_device, &saa, scsiprint);
161 }
162 }