1 /* $NetBSD: adv_pci.c,v 1.31 2022/09/25 17:52:25 thorpej Exp $ */
2
3 /*
4 * Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved.
5 *
6 * Author: Baldassare Dante Profeta <dante@mclink.it>
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
28 */
29 /*
30 * Device probe and attach routines for the following
31 * Advanced Systems Inc. SCSI controllers:
32 *
33 * Connectivity Products:
34 * ABP920 - Bus-Master PCI (16 CDB)
35 * ABP930 - Bus-Master PCI (16 CDB) (Footnote 1)
36 * ABP930U - Bus-Master PCI Ultra (16 CDB)
37 * ABP930UA - Bus-Master PCI Ultra (16 CDB)
38 * ABP960 - Bus-Master PCI MAC/PC (16 CDB) (Footnote 2)
39 * ABP960U - Bus-Master PCI MAC/PC Ultra (16 CDB) (Footnote 2)
40 *
41 * Single Channel Products:
42 * ABP940 - Bus-Master PCI (240 CDB)
43 * ABP940U - Bus-Master PCI Ultra (240 CDB)
44 * ABP970 - Bus-Master PCI MAC/PC (240 CDB)
45 * ABP970U - Bus-Master PCI MAC/PC Ultra (240 CDB)
46 * ABP940UW - Bus-Master PCI Ultra-Wide (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/cdefs.h>
59 __KERNEL_RCSID(0, "$NetBSD: adv_pci.c,v 1.31 2022/09/25 17:52:25 thorpej Exp $");
60
61 #include <sys/param.h>
62 #include <sys/systm.h>
63 #include <sys/kernel.h>
64 #include <sys/queue.h>
65 #include <sys/device.h>
66
67 #include <sys/bus.h>
68 #include <sys/intr.h>
69
70 #include <dev/scsipi/scsi_all.h>
71 #include <dev/scsipi/scsipi_all.h>
72 #include <dev/scsipi/scsiconf.h>
73
74 #include <dev/pci/pcireg.h>
75 #include <dev/pci/pcivar.h>
76 #include <dev/pci/pcidevs.h>
77
78 #include <dev/ic/advlib.h>
79 #include <dev/ic/adv.h>
80
81 /******************************************************************************/
82
83 #define PCI_BASEADR_IO 0x10
84
85 /******************************************************************************/
86 /*
87 * Check the slots looking for a board we recognise
88 * If we find one, note its address (slot) and call
89 * the actual probe routine to check it out.
90 */
91 static int
adv_pci_match(device_t parent,cfdata_t match,void * aux)92 adv_pci_match(device_t parent, cfdata_t match, void *aux)
93 {
94 struct pci_attach_args *pa = aux;
95
96 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS)
97 switch (PCI_PRODUCT(pa->pa_id)) {
98 case PCI_PRODUCT_ADVSYS_1200A:
99 case PCI_PRODUCT_ADVSYS_1200B:
100 case PCI_PRODUCT_ADVSYS_ULTRA:
101 return (1);
102 }
103
104 return 0;
105 }
106
107 static void
adv_pci_attach(device_t parent,device_t self,void * aux)108 adv_pci_attach(device_t parent, device_t self, void *aux)
109 {
110 struct pci_attach_args *pa = aux;
111 ASC_SOFTC *sc = device_private(self);
112 bus_space_tag_t iot;
113 bus_space_handle_t ioh;
114 pci_intr_handle_t ih;
115 pci_chipset_tag_t pc = pa->pa_pc;
116 u_int32_t command;
117 const char *intrstr;
118 char intrbuf[PCI_INTRSTR_LEN];
119
120 aprint_naive(": SCSI controller\n");
121
122 sc->sc_dev = self;
123 sc->sc_flags = 0x0;
124 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS)
125 switch (PCI_PRODUCT(pa->pa_id)) {
126 case PCI_PRODUCT_ADVSYS_1200A:
127 aprint_normal(": AdvanSys ASC1200A SCSI adapter\n");
128 break;
129
130 case PCI_PRODUCT_ADVSYS_1200B:
131 aprint_normal(": AdvanSys ASC1200B SCSI adapter\n");
132 break;
133
134 case PCI_PRODUCT_ADVSYS_ULTRA:
135 switch (PCI_REVISION(pa->pa_class)) {
136 case ASC_PCI_REVISION_3050:
137 aprint_normal(
138 ": AdvanSys ABP-9xxUA SCSI adapter\n");
139 break;
140
141 case ASC_PCI_REVISION_3150:
142 aprint_normal(
143 ": AdvanSys ABP-9xxU SCSI adapter\n");
144 break;
145 }
146 break;
147
148 default:
149 aprint_error(": unknown model!\n");
150 return;
151 }
152
153
154 /*
155 * Make sure IO/MEM/MASTER are enabled
156 */
157 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
158 if ((command & (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
159 PCI_COMMAND_MASTER_ENABLE)) !=
160 (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
161 PCI_COMMAND_MASTER_ENABLE)) {
162 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
163 command | (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
164 PCI_COMMAND_MASTER_ENABLE));
165 }
166 /*
167 * Latency timer settings.
168 */
169 {
170 u_int32_t bhlcr;
171
172 bhlcr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG);
173
174 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200A ||
175 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200B) {
176 bhlcr &= 0xFFFF00FFul;
177 pci_conf_write(pa->pa_pc, pa->pa_tag,
178 PCI_BHLC_REG, bhlcr);
179 } else if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_ULTRA)
180 && (PCI_LATTIMER(bhlcr) < 0x20)) {
181 bhlcr &= 0xFFFF00FFul;
182 bhlcr |= 0x00002000ul;
183 pci_conf_write(pa->pa_pc, pa->pa_tag,
184 PCI_BHLC_REG, bhlcr);
185 }
186 }
187
188
189 /*
190 * Map Device Registers for I/O
191 */
192 if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0,
193 &iot, &ioh, NULL, NULL)) {
194 aprint_error_dev(sc->sc_dev, "unable to map device registers\n");
195 return;
196 }
197
198 ASC_SET_CHIP_CONTROL(iot, ioh, ASC_CC_HALT);
199 ASC_SET_CHIP_STATUS(iot, ioh, 0);
200
201 sc->sc_iot = iot;
202 sc->sc_ioh = ioh;
203 sc->sc_dmat = pa->pa_dmat;
204 sc->pci_device_id = pa->pa_id;
205 sc->bus_type = ASC_IS_PCI;
206 sc->chip_version = ASC_GET_CHIP_VER_NO(iot, ioh);
207
208 /*
209 * Initialize the board
210 */
211 if (adv_init(sc))
212 panic("adv_pci_attach: adv_init failed");
213
214 /*
215 * Map Interrupt line
216 */
217 if (pci_intr_map(pa, &ih)) {
218 aprint_error_dev(sc->sc_dev, "couldn't map interrupt\n");
219 return;
220 }
221 intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf));
222
223 /*
224 * Establish Interrupt handler
225 */
226 sc->sc_ih = pci_intr_establish_xname(pc, ih, IPL_BIO, adv_intr, sc,
227 device_xname(self));
228 if (sc->sc_ih == NULL) {
229 aprint_error_dev(sc->sc_dev, "couldn't establish interrupt");
230 if (intrstr != NULL)
231 aprint_error(" at %s", intrstr);
232 aprint_error("\n");
233 return;
234 }
235 aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr);
236
237 /*
238 * Attach all the sub-devices we can find
239 */
240 adv_attach(sc);
241 }
242
243 CFATTACH_DECL_NEW(adv_pci, sizeof(ASC_SOFTC),
244 adv_pci_match, adv_pci_attach, NULL, NULL);
245