1 /* $NetBSD: adw_pci.c,v 1.30 2022/09/25 17:52:25 thorpej Exp $ */
2
3 /*
4 * Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Author: Baldassare Dante Profeta <dante@mclink.it>
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30 /*
31 * Device probe and attach routines for the following
32 * Advanced Systems Inc. SCSI controllers:
33 *
34 * ABP-940UW - Bus-Master PCI Ultra-Wide (253 CDB)
35 * ABP-940UW (68) - Bus-Master PCI Ultra-Wide (253 CDB)
36 * ABP-940UWD - Bus-Master PCI Ultra-Wide (253 CDB)
37 * ABP-970UW - Bus-Master PCI Ultra-Wide (253 CDB)
38 * ASB-3940UW - Bus-Master PCI Ultra-Wide (253 CDB)
39 * ASB-3940U2W-00 - Bus-Master PCI Ultra2-Wide (253 CDB)
40 * ASB-3940U3W-00 - Bus-Master PCI Ultra3-Wide (253 CDB)
41 */
42
43 #include <sys/cdefs.h>
44 __KERNEL_RCSID(0, "$NetBSD: adw_pci.c,v 1.30 2022/09/25 17:52:25 thorpej Exp $");
45
46 #include <sys/param.h>
47 #include <sys/systm.h>
48 #include <sys/kernel.h>
49 #include <sys/queue.h>
50 #include <sys/device.h>
51
52 #include <sys/bus.h>
53 #include <sys/intr.h>
54
55 #include <dev/scsipi/scsi_all.h>
56 #include <dev/scsipi/scsipi_all.h>
57 #include <dev/scsipi/scsiconf.h>
58
59 #include <dev/pci/pcireg.h>
60 #include <dev/pci/pcivar.h>
61 #include <dev/pci/pcidevs.h>
62
63 #include <dev/ic/adwlib.h>
64 #include <dev/ic/adwmcode.h>
65 #include <dev/ic/adw.h>
66
67 /******************************************************************************/
68
69 #define PCI_BASEADR_IO 0x10
70
71 /******************************************************************************/
72 /*
73 * Check the slots looking for a board we recognise
74 * If we find one, note its address (slot) and call
75 * the actual probe routine to check it out.
76 */
77 static int
adw_pci_match(device_t parent,cfdata_t match,void * aux)78 adw_pci_match(device_t parent, cfdata_t match, void *aux)
79 {
80 struct pci_attach_args *pa = aux;
81
82 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS)
83 switch (PCI_PRODUCT(pa->pa_id)) {
84 case PCI_PRODUCT_ADVSYS_WIDE:
85 case PCI_PRODUCT_ADVSYS_U2W:
86 case PCI_PRODUCT_ADVSYS_U3W:
87 return (1);
88 }
89
90 return 0;
91 }
92
93
94 static void
adw_pci_attach(device_t parent,device_t self,void * aux)95 adw_pci_attach(device_t parent, device_t self, void *aux)
96 {
97 struct pci_attach_args *pa = aux;
98 ADW_SOFTC *sc = device_private(self);
99 bus_space_tag_t iot;
100 bus_space_handle_t ioh;
101 pci_intr_handle_t ih;
102 pci_chipset_tag_t pc = pa->pa_pc;
103 u_int32_t command;
104 const char *intrstr;
105 char intrbuf[PCI_INTRSTR_LEN];
106
107 sc->sc_dev = self;
108
109 aprint_naive(": SCSI controller\n");
110
111 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS)
112 switch (PCI_PRODUCT(pa->pa_id)) {
113 case PCI_PRODUCT_ADVSYS_WIDE:
114 sc->chip_type = ADW_CHIP_ASC3550;
115 aprint_normal(
116 ": AdvanSys ASB-3940UW-00 SCSI adapter\n");
117 break;
118
119 case PCI_PRODUCT_ADVSYS_U2W:
120 sc->chip_type = ADW_CHIP_ASC38C0800;
121 aprint_normal(
122 ": AdvanSys ASB-3940U2W-00 SCSI adapter\n");
123 break;
124
125 case PCI_PRODUCT_ADVSYS_U3W:
126 sc->chip_type = ADW_CHIP_ASC38C1600;
127 aprint_normal(
128 ": AdvanSys ASB-3940U3W-00 SCSI adapter\n");
129 break;
130
131 default:
132 aprint_error(": unknown model!\n");
133 return;
134 }
135
136
137 /*
138 * Make sure IO/MEM/MASTER are enabled
139 */
140 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
141 command |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
142 PCI_COMMAND_MASTER_ENABLE;
143 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
144
145 if ( (command & PCI_COMMAND_PARITY_ENABLE) == 0) {
146 sc->cfg.control_flag |= CONTROL_FLAG_IGNORE_PERR;
147 }
148 /*
149 * Map Device Registers for I/O
150 */
151 if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0,
152 &iot, &ioh, NULL, NULL)) {
153 aprint_error_dev(self, "unable to map device registers\n");
154 return;
155 }
156 sc->sc_iot = iot;
157 sc->sc_ioh = ioh;
158 sc->sc_dmat = pa->pa_dmat;
159
160 /*
161 * Initialize the board
162 */
163 if (adw_init(sc)) {
164 aprint_error_dev(self, "adw_init failed");
165 return;
166 }
167
168 /*
169 * Map Interrupt line
170 */
171 if (pci_intr_map(pa, &ih)) {
172 aprint_error_dev(self, "couldn't map interrupt\n");
173 return;
174 }
175 intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf));
176
177 /*
178 * Establish Interrupt handler
179 */
180 sc->sc_ih = pci_intr_establish_xname(pc, ih, IPL_BIO, adw_intr, sc,
181 device_xname(self));
182 if (sc->sc_ih == NULL) {
183 aprint_error_dev(self, "couldn't establish interrupt");
184 if (intrstr != NULL)
185 aprint_error(" at %s", intrstr);
186 aprint_error("\n");
187 return;
188 }
189 aprint_normal_dev(self, "interrupting at %s\n", intrstr);
190
191 /*
192 * Attach all the sub-devices we can find
193 */
194 adw_attach(sc);
195 }
196
197 CFATTACH_DECL_NEW(adw_pci, sizeof(ADW_SOFTC),
198 adw_pci_match, adw_pci_attach, NULL, NULL);
199