1 /* $OpenBSD: adv_pci.c,v 1.16 2024/05/24 06:02:53 jsg Exp $ */
2 /* $NetBSD: adv_pci.c,v 1.5 1998/09/26 15:52:55 dante Exp $ */
3
4 /*
5 * Copyright (c) 1998 The NetBSD Foundation, Inc. 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 * Connectivity Products:
35 * ABP920 - Bus-Master PCI (16 CDB)
36 * ABP930 - Bus-Master PCI (16 CDB) (Footnote 1)
37 * ABP930U - Bus-Master PCI Ultra (16 CDB)
38 * ABP930UA - Bus-Master PCI Ultra (16 CDB)
39 * ABP960 - Bus-Master PCI MAC/PC (16 CDB) (Footnote 2)
40 * ABP960U - Bus-Master PCI MAC/PC Ultra (16 CDB) (Footnote 2)
41 *
42 * Single Channel Products:
43 * ABP940 - Bus-Master PCI (240 CDB)
44 * ABP940U - Bus-Master PCI Ultra (240 CDB)
45 * ABP970 - Bus-Master PCI MAC/PC (240 CDB)
46 * ABP970U - Bus-Master PCI MAC/PC Ultra (240 CDB)
47 *
48 * Multi Channel Products:
49 * ABP950 - Dual Channel Bus-Master PCI (240 CDB Per Channel)
50 * ABP980 - Four Channel Bus-Master PCI (240 CDB Per Channel)
51 * ABP980U - Four Channel Bus-Master PCI Ultra (240 CDB Per Channel)
52 *
53 * Footnotes:
54 * 1. This board has been sold by SIIG as the Fast SCSI Pro PCI.
55 * 2. This board has been sold by Iomega as a Jaz Jet PCI adapter.
56 */
57
58 #include <sys/param.h>
59 #include <sys/systm.h>
60 #include <sys/queue.h>
61 #include <sys/device.h>
62
63 #include <machine/bus.h>
64 #include <machine/intr.h>
65
66 #include <scsi/scsi_all.h>
67 #include <scsi/scsiconf.h>
68
69 #include <dev/pci/pcireg.h>
70 #include <dev/pci/pcivar.h>
71 #include <dev/pci/pcidevs.h>
72
73 #include <dev/ic/adv.h>
74 #include <dev/ic/advlib.h>
75
76 /******************************************************************************/
77
78 #define PCI_CBIO 0x10
79
80 /******************************************************************************/
81
82 int adv_pci_match(struct device *, void *, void *);
83 void adv_pci_attach(struct device *, struct device *, void *);
84
85 const struct cfattach adv_pci_ca =
86 {
87 sizeof(ASC_SOFTC), adv_pci_match, adv_pci_attach
88 };
89
90 const struct pci_matchid adv_pci_devices[] = {
91 { PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_1200A },
92 { PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_1200B },
93 { PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_ULTRA },
94 };
95
96 /******************************************************************************/
97 /*
98 * Check the slots looking for a board we recognise
99 * If we find one, note its address (slot) and call
100 * the actual probe routine to check it out.
101 */
102 int
adv_pci_match(struct device * parent,void * match,void * aux)103 adv_pci_match(struct device *parent, void *match, void *aux)
104 {
105 return (pci_matchbyid((struct pci_attach_args *)aux, adv_pci_devices,
106 nitems(adv_pci_devices)));
107 }
108
109
110 void
adv_pci_attach(struct device * parent,struct device * self,void * aux)111 adv_pci_attach(struct device *parent, struct device *self, void *aux)
112 {
113 struct pci_attach_args *pa = aux;
114 ASC_SOFTC *sc = (void *) self;
115 bus_space_handle_t ioh;
116 bus_size_t advsize;
117 pci_intr_handle_t ih;
118 pci_chipset_tag_t pc = pa->pa_pc;
119 const char *intrstr;
120 int retval;
121
122 sc->sc_flags = 0x0;
123
124 /*
125 * Latency timer settings.
126 */
127 {
128 u_int32_t bhlcr;
129
130 bhlcr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG);
131
132 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200A ||
133 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200B) {
134 bhlcr &= 0xFFFF00FFul;
135 pci_conf_write(pa->pa_pc, pa->pa_tag,
136 PCI_BHLC_REG, bhlcr);
137 } else if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_ULTRA) &&
138 (PCI_LATTIMER(bhlcr) < 0x20)) {
139 bhlcr &= 0xFFFF00FFul;
140 bhlcr |= 0x00002000ul;
141 pci_conf_write(pa->pa_pc, pa->pa_tag,
142 PCI_BHLC_REG, bhlcr);
143 }
144 }
145
146
147 /*
148 * Map Device Registers for I/O
149 */
150 retval = pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
151 &sc->sc_iot, &ioh, NULL, &advsize, 0);
152 if (retval) {
153 printf(": unable to map device registers\n");
154 return;
155 }
156 sc->sc_ioh = ioh;
157 sc->sc_dmat = pa->pa_dmat;
158 sc->pci_device_id = pa->pa_id;
159 sc->bus_type = ASC_IS_PCI;
160
161 /*
162 * Initialize the board
163 */
164 if (adv_init(sc)) {
165 printf(": adv_init failed\n");
166 bus_space_unmap(sc->sc_iot, ioh, advsize);
167 return;
168 }
169
170 /*
171 * Map Interrupt line
172 */
173 if (pci_intr_map(pa, &ih)) {
174 printf(": couldn't map interrupt\n");
175 bus_space_unmap(sc->sc_iot, ioh, advsize);
176 return;
177 }
178 intrstr = pci_intr_string(pc, ih);
179
180 /*
181 * Establish Interrupt handler
182 */
183 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adv_intr, sc,
184 sc->sc_dev.dv_xname);
185 if (sc->sc_ih == NULL) {
186 printf(": couldn't establish interrupt");
187 if (intrstr != NULL)
188 printf(" at %s", intrstr);
189 printf("\n");
190 bus_space_unmap(sc->sc_iot, ioh, advsize);
191 return;
192 }
193 printf(": %s\n", intrstr);
194
195 /*
196 * Attach all the sub-devices we can find
197 */
198 adv_attach(sc);
199 }
200 /******************************************************************************/
201