1 /* $OpenBSD: trm_pci.c,v 1.12 2022/04/16 19:19:59 naddy 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 const 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 struct cfdriver trm_cd = {
69 NULL, "trm", DV_DULL
70 };
71
72 const struct scsi_adapter trm_switch = {
73 trm_scsi_cmd, NULL, NULL, NULL, NULL
74 };
75
76
77 /*
78 * ------------------------------------------------------------
79 * Function : trm_pci_probe
80 * Purpose : Check the slots looking for a board we recognize.
81 * If we find one, note ti's address (slot) and call
82 * the actual probe routine to check it out.
83 * Inputs :
84 * ------------------------------------------------------------
85 */
86 int
trm_pci_probe(struct device * parent,void * match,void * aux)87 trm_pci_probe(struct device *parent, void *match, void *aux)
88 {
89 struct pci_attach_args *pa = aux;
90
91 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_TEKRAM2) {
92 switch (PCI_PRODUCT(pa->pa_id)) {
93 case PCI_PRODUCT_TEKRAM2_DC3X5U:
94 return 1;
95 }
96 }
97 return 0;
98 }
99
100 /*
101 * ------------------------------------------------------------
102 * Function : trm_pci_attach
103 * Purpose :
104 * Inputs :
105 * ------------------------------------------------------------
106 */
107 void
trm_pci_attach(struct device * parent,struct device * self,void * aux)108 trm_pci_attach(struct device *parent, struct device *self, void *aux)
109 {
110 struct pci_attach_args *pa = aux;
111 struct scsibus_attach_args saa;
112 bus_space_handle_t ioh;/* bus space handle */
113 pci_intr_handle_t ih;
114 struct trm_softc *sc = (void *)self;
115 bus_space_tag_t iot; /* bus space tag */
116 const char *intrstr;
117 int unit;
118
119 unit = sc->sc_device.dv_unit;
120
121 if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_TEKRAM2_DC3X5U)
122 return;
123
124 /*
125 * mask for get correct base address of pci IO port
126 */
127 if (pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_IO, 0,
128 &iot, &ioh, NULL, NULL, 0) != 0) {
129 printf("%s: unable to map registers\n", sc->sc_device.dv_xname);
130 return;
131 }
132
133 /*
134 * test checksum of eeprom & initial "ACB" adapter control block
135 */
136 sc->sc_iotag = iot;
137 sc->sc_iohandle = ioh;
138 sc->sc_dmatag = pa->pa_dmat;
139
140 if (trm_init(sc, unit) != 0) {
141 printf("%s: trm_init failed", sc->sc_device.dv_xname);
142 return;
143 }
144
145 /*
146 * Map and establish interrupt
147 */
148 if (pci_intr_map(pa, &ih)) {
149 printf("%s: couldn't map interrupt\n", sc->sc_device.dv_xname);
150 return;
151 }
152 intrstr = pci_intr_string(pa->pa_pc, ih);
153
154 if (pci_intr_establish(pa->pa_pc, ih, IPL_BIO, trm_Interrupt, sc,
155 sc->sc_device.dv_xname) == NULL) {
156 printf("\n%s: couldn't establish interrupt", sc->sc_device.dv_xname);
157 if (intrstr != NULL)
158 printf(" at %s", intrstr);
159 printf("\n");
160 } else {
161 if (intrstr != NULL)
162 printf(": %s\n", intrstr);
163
164 saa.saa_adapter_softc = sc;
165 saa.saa_adapter_target = sc->sc_AdaptSCSIID;
166 saa.saa_adapter = &trm_switch;
167 saa.saa_adapter_buswidth = ((sc->sc_config & HCC_WIDE_CARD) == 0) ? 8:16;
168 saa.saa_luns = 8;
169 saa.saa_openings = 30; /* So TagMask (32 bit integer) always has space */
170 saa.saa_pool = &sc->sc_iopool;
171 saa.saa_quirks = saa.saa_flags = 0;
172 saa.saa_wwpn = saa.saa_wwnn = 0;
173
174 config_found(&sc->sc_device, &saa, scsiprint);
175 }
176 }
177