1 /* $OpenBSD: adv_pci.c,v 1.7 2002/11/19 18:40:16 jason 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 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the NetBSD
20 * Foundation, Inc. and its contributors.
21 * 4. Neither the name of The NetBSD Foundation nor the names of its
22 * contributors may be used to endorse or promote products derived
23 * from this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
26 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 */
37 /*
38 * Device probe and attach routines for the following
39 * Advanced Systems Inc. SCSI controllers:
40 *
41 * Connectivity Products:
42 * ABP920 - Bus-Master PCI (16 CDB)
43 * ABP930 - Bus-Master PCI (16 CDB) (Footnote 1)
44 * ABP930U - Bus-Master PCI Ultra (16 CDB)
45 * ABP930UA - Bus-Master PCI Ultra (16 CDB)
46 * ABP960 - Bus-Master PCI MAC/PC (16 CDB) (Footnote 2)
47 * ABP960U - Bus-Master PCI MAC/PC Ultra (16 CDB) (Footnote 2)
48 *
49 * Single Channel Products:
50 * ABP940 - Bus-Master PCI (240 CDB)
51 * ABP940U - Bus-Master PCI Ultra (240 CDB)
52 * ABP970 - Bus-Master PCI MAC/PC (240 CDB)
53 * ABP970U - Bus-Master PCI MAC/PC Ultra (240 CDB)
54 *
55 * Multi Channel Products:
56 * ABP950 - Dual Channel Bus-Master PCI (240 CDB Per Channel)
57 * ABP980 - Four Channel Bus-Master PCI (240 CDB Per Channel)
58 * ABP980U - Four Channel Bus-Master PCI Ultra (240 CDB Per Channel)
59 *
60 * Footnotes:
61 * 1. This board has been sold by SIIG as the Fast SCSI Pro PCI.
62 * 2. This board has been sold by Iomega as a Jaz Jet PCI adapter.
63 */
64
65 #include <sys/types.h>
66 #include <sys/param.h>
67 #include <sys/systm.h>
68 #include <sys/malloc.h>
69 #include <sys/kernel.h>
70 #include <sys/queue.h>
71 #include <sys/device.h>
72
73 #include <machine/bus.h>
74 #include <machine/intr.h>
75
76 #include <scsi/scsi_all.h>
77 #include <scsi/scsiconf.h>
78
79 #include <dev/pci/pcireg.h>
80 #include <dev/pci/pcivar.h>
81 #include <dev/pci/pcidevs.h>
82
83 #include <dev/ic/adv.h>
84 #include <dev/ic/advlib.h>
85
86 /******************************************************************************/
87
88 #define PCI_CBIO 0x10
89
90 /******************************************************************************/
91
92 int adv_pci_match(struct device *, void *, void *);
93 void adv_pci_attach(struct device *, struct device *, void *);
94
95 struct cfattach adv_pci_ca =
96 {
97 sizeof(ASC_SOFTC), adv_pci_match, adv_pci_attach
98 };
99
100 const struct pci_matchid adv_pci_devices[] = {
101 { PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_1200A },
102 { PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_1200B },
103 { PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_ULTRA },
104 };
105
106 /******************************************************************************/
107 /*
108 * Check the slots looking for a board we recognise
109 * If we find one, note it's address (slot) and call
110 * the actual probe routine to check it out.
111 */
112 int
adv_pci_match(parent,match,aux)113 adv_pci_match(parent, match, aux)
114 struct device *parent;
115 void *match, *aux;
116 {
117 return (pci_matchbyid((struct pci_attach_args *)aux, adv_pci_devices,
118 sizeof(adv_pci_devices)/sizeof(adv_pci_devices[0])));
119 }
120
121
122 void
adv_pci_attach(parent,self,aux)123 adv_pci_attach(parent, self, aux)
124 struct device *parent, *self;
125 void *aux;
126 {
127 struct pci_attach_args *pa = aux;
128 ASC_SOFTC *sc = (void *) self;
129 bus_space_handle_t ioh;
130 bus_addr_t advbase;
131 bus_size_t advsize;
132 pci_intr_handle_t ih;
133 pci_chipset_tag_t pc = pa->pa_pc;
134 const char *intrstr;
135 int retval;
136
137 sc->sc_flags = 0x0;
138
139 /*
140 * Latency timer settings.
141 */
142 {
143 u_int32_t bhlcr;
144
145 bhlcr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG);
146
147 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200A ||
148 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200B) {
149 bhlcr &= 0xFFFF00FFul;
150 pci_conf_write(pa->pa_pc, pa->pa_tag,
151 PCI_BHLC_REG, bhlcr);
152 } else if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_ULTRA) &&
153 (PCI_LATTIMER(bhlcr) < 0x20)) {
154 bhlcr &= 0xFFFF00FFul;
155 bhlcr |= 0x00002000ul;
156 pci_conf_write(pa->pa_pc, pa->pa_tag,
157 PCI_BHLC_REG, bhlcr);
158 }
159 }
160
161
162 /*
163 * Map Device Registers for I/O
164 */
165 retval = pci_io_find(pc, pa->pa_tag, PCI_CBIO, &advbase, &advsize);
166 if (retval == 0)
167 retval = bus_space_map(pa->pa_iot, advbase, advsize, 0, &ioh);
168 if (retval) {
169 printf("\n%s: unable to map device registers\n",
170 sc->sc_dev.dv_xname);
171 return;
172 }
173 sc->sc_iot = pa->pa_iot;
174 sc->sc_ioh = ioh;
175 sc->sc_dmat = pa->pa_dmat;
176 sc->pci_device_id = pa->pa_id;
177 sc->bus_type = ASC_IS_PCI;
178
179 /*
180 * Initialize the board
181 */
182 if (adv_init(sc))
183 panic("adv_pci_attach: adv_init failed");
184
185 /*
186 * Map Interrupt line
187 */
188 if (pci_intr_map(pa, &ih)) {
189 printf("\n%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
190 return;
191 }
192 intrstr = pci_intr_string(pc, ih);
193
194 /*
195 * Establish Interrupt handler
196 */
197 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adv_intr, sc,
198 sc->sc_dev.dv_xname);
199 if (sc->sc_ih == NULL) {
200 printf("\n%s: couldn't establish interrupt",
201 sc->sc_dev.dv_xname);
202 if (intrstr != NULL)
203 printf(" at %s", intrstr);
204 printf("\n");
205 return;
206 }
207 printf(": %s\n", intrstr);
208
209 /*
210 * Attach all the sub-devices we can find
211 */
212 adv_attach(sc);
213 }
214 /******************************************************************************/
215