1/* $NetBSD: adw_pci.c,v 1.28 2014/10/18 08:33:28 snj 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 1.28 2014/10/18 08:33:28 snj Exp $");
45
46#include <sys/param.h>
47#include <sys/systm.h>
48#include <sys/malloc.h>
49#include <sys/kernel.h>
50#include <sys/queue.h>
51#include <sys/device.h>
52
53#include <sys/bus.h>
54#include <sys/intr.h>
55
56#include <dev/scsipi/scsi_all.h>
57#include <dev/scsipi/scsipi_all.h>
58#include <dev/scsipi/scsiconf.h>
59
60#include <dev/pci/pcireg.h>
61#include <dev/pci/pcivar.h>
62#include <dev/pci/pcidevs.h>
63
64#include <dev/ic/adwlib.h>
65#include <dev/ic/adwmcode.h>
66#include <dev/ic/adw.h>
67
68/******************************************************************************/
69
70#define PCI_BASEADR_IO 0x10
71
72/******************************************************************************/
73/*
74 * Check the slots looking for a board we recognise
75 * If we find one, note its address (slot) and call
76 * the actual probe routine to check it out.
77 */
78static int
79adw_pci_match(device_t parent, cfdata_t match, void *aux)
80{
81 struct pci_attach_args *pa = aux;
82
83 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS)
84 switch (PCI_PRODUCT(pa->pa_id)) {
85 case PCI_PRODUCT_ADVSYS_WIDE:
86 case PCI_PRODUCT_ADVSYS_U2W:
87 case PCI_PRODUCT_ADVSYS_U3W:
88 return (1);
89 }
90
91 return 0;
92}
93
94
95static void
96adw_pci_attach(device_t parent, device_t self, void *aux)
97{
98 struct pci_attach_args *pa = aux;
99 ADW_SOFTC *sc = device_private(self);
100 bus_space_tag_t iot;
101 bus_space_handle_t ioh;
102 pci_intr_handle_t ih;
103 pci_chipset_tag_t pc = pa->pa_pc;
104 u_int32_t command;
105 const char *intrstr;
106 char intrbuf[PCI_INTRSTR_LEN];
107
108 sc->sc_dev = self;
109
110 aprint_naive(": SCSI controller\n");
111
112 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS)
113 switch (PCI_PRODUCT(pa->pa_id)) {
114 case PCI_PRODUCT_ADVSYS_WIDE:
115 sc->chip_type = ADW_CHIP_ASC3550;
116 aprint_normal(
117 ": AdvanSys ASB-3940UW-00 SCSI adapter\n");
118 break;
119
120 case PCI_PRODUCT_ADVSYS_U2W:
121 sc->chip_type = ADW_CHIP_ASC38C0800;
122 aprint_normal(
123 ": AdvanSys ASB-3940U2W-00 SCSI adapter\n");
124 break;
125
126 case PCI_PRODUCT_ADVSYS_U3W:
127 sc->chip_type = ADW_CHIP_ASC38C1600;
128 aprint_normal(
129 ": AdvanSys ASB-3940U3W-00 SCSI adapter\n");
130 break;
131
132 default:
133 aprint_error(": unknown model!\n");
134 return;
135 }
136
137
138 /*
139 * Make sure IO/MEM/MASTER are enabled
140 */
141 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
142 command |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
143 PCI_COMMAND_MASTER_ENABLE;
144 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
145
146 if ( (command & PCI_COMMAND_PARITY_ENABLE) == 0) {
147 sc->cfg.control_flag |= CONTROL_FLAG_IGNORE_PERR;
148 }
149 /*
150 * Map Device Registers for I/O
151 */
152 if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0,
153 &iot, &ioh, NULL, NULL)) {
154 aprint_error_dev(self, "unable to map device registers\n");
155 return;
156 }
157 sc->sc_iot = iot;
158 sc->sc_ioh = ioh;
159 sc->sc_dmat = pa->pa_dmat;
160
161 /*
162 * Initialize the board
163 */
164 if (adw_init(sc)) {
165 aprint_error_dev(self, "adw_init failed");
166 return;
167 }
168
169 /*
170 * Map Interrupt line
171 */
172 if (pci_intr_map(pa, &ih)) {
173 aprint_error_dev(self, "couldn't map interrupt\n");
174 return;
175 }
176 intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf));
177
178 /*
179 * Establish Interrupt handler
180 */
181 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adw_intr, sc);
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
197CFATTACH_DECL_NEW(adw_pci, sizeof(ADW_SOFTC),
198 adw_pci_match, adw_pci_attach, NULL, NULL);
199