1 | /* $NetBSD: adv_pci.c,v 1.29 2014/10/18 08:33:28 snj 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 1.29 2014/10/18 08:33:28 snj Exp $" ); |
60 | |
61 | #include <sys/param.h> |
62 | #include <sys/systm.h> |
63 | #include <sys/malloc.h> |
64 | #include <sys/kernel.h> |
65 | #include <sys/queue.h> |
66 | #include <sys/device.h> |
67 | |
68 | #include <sys/bus.h> |
69 | #include <sys/intr.h> |
70 | |
71 | #include <dev/scsipi/scsi_all.h> |
72 | #include <dev/scsipi/scsipi_all.h> |
73 | #include <dev/scsipi/scsiconf.h> |
74 | |
75 | #include <dev/pci/pcireg.h> |
76 | #include <dev/pci/pcivar.h> |
77 | #include <dev/pci/pcidevs.h> |
78 | |
79 | #include <dev/ic/advlib.h> |
80 | #include <dev/ic/adv.h> |
81 | |
82 | /******************************************************************************/ |
83 | |
84 | #define PCI_BASEADR_IO 0x10 |
85 | |
86 | /******************************************************************************/ |
87 | /* |
88 | * Check the slots looking for a board we recognise |
89 | * If we find one, note its address (slot) and call |
90 | * the actual probe routine to check it out. |
91 | */ |
92 | static int |
93 | adv_pci_match(device_t parent, cfdata_t match, void *aux) |
94 | { |
95 | struct pci_attach_args *pa = aux; |
96 | |
97 | if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS) |
98 | switch (PCI_PRODUCT(pa->pa_id)) { |
99 | case PCI_PRODUCT_ADVSYS_1200A: |
100 | case PCI_PRODUCT_ADVSYS_1200B: |
101 | case PCI_PRODUCT_ADVSYS_ULTRA: |
102 | return (1); |
103 | } |
104 | |
105 | return 0; |
106 | } |
107 | |
108 | static void |
109 | adv_pci_attach(device_t parent, device_t self, void *aux) |
110 | { |
111 | struct pci_attach_args *pa = aux; |
112 | ASC_SOFTC *sc = device_private(self); |
113 | bus_space_tag_t iot; |
114 | bus_space_handle_t ioh; |
115 | pci_intr_handle_t ih; |
116 | pci_chipset_tag_t pc = pa->pa_pc; |
117 | u_int32_t command; |
118 | const char *intrstr; |
119 | char intrbuf[PCI_INTRSTR_LEN]; |
120 | |
121 | aprint_naive(": SCSI controller\n" ); |
122 | |
123 | sc->sc_dev = self; |
124 | sc->sc_flags = 0x0; |
125 | if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS) |
126 | switch (PCI_PRODUCT(pa->pa_id)) { |
127 | case PCI_PRODUCT_ADVSYS_1200A: |
128 | aprint_normal(": AdvanSys ASC1200A SCSI adapter\n" ); |
129 | break; |
130 | |
131 | case PCI_PRODUCT_ADVSYS_1200B: |
132 | aprint_normal(": AdvanSys ASC1200B SCSI adapter\n" ); |
133 | break; |
134 | |
135 | case PCI_PRODUCT_ADVSYS_ULTRA: |
136 | switch (PCI_REVISION(pa->pa_class)) { |
137 | case ASC_PCI_REVISION_3050: |
138 | aprint_normal( |
139 | ": AdvanSys ABP-9xxUA SCSI adapter\n" ); |
140 | break; |
141 | |
142 | case ASC_PCI_REVISION_3150: |
143 | aprint_normal( |
144 | ": AdvanSys ABP-9xxU SCSI adapter\n" ); |
145 | break; |
146 | } |
147 | break; |
148 | |
149 | default: |
150 | aprint_error(": unknown model!\n" ); |
151 | return; |
152 | } |
153 | |
154 | |
155 | /* |
156 | * Make sure IO/MEM/MASTER are enabled |
157 | */ |
158 | command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); |
159 | if ((command & (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | |
160 | PCI_COMMAND_MASTER_ENABLE)) != |
161 | (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | |
162 | PCI_COMMAND_MASTER_ENABLE)) { |
163 | pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, |
164 | command | (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | |
165 | PCI_COMMAND_MASTER_ENABLE)); |
166 | } |
167 | /* |
168 | * Latency timer settings. |
169 | */ |
170 | { |
171 | u_int32_t bhlcr; |
172 | |
173 | bhlcr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG); |
174 | |
175 | if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200A || |
176 | PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200B) { |
177 | bhlcr &= 0xFFFF00FFul; |
178 | pci_conf_write(pa->pa_pc, pa->pa_tag, |
179 | PCI_BHLC_REG, bhlcr); |
180 | } else if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_ULTRA) |
181 | && (PCI_LATTIMER(bhlcr) < 0x20)) { |
182 | bhlcr &= 0xFFFF00FFul; |
183 | bhlcr |= 0x00002000ul; |
184 | pci_conf_write(pa->pa_pc, pa->pa_tag, |
185 | PCI_BHLC_REG, bhlcr); |
186 | } |
187 | } |
188 | |
189 | |
190 | /* |
191 | * Map Device Registers for I/O |
192 | */ |
193 | if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0, |
194 | &iot, &ioh, NULL, NULL)) { |
195 | aprint_error_dev(sc->sc_dev, "unable to map device registers\n" ); |
196 | return; |
197 | } |
198 | |
199 | ASC_SET_CHIP_CONTROL(iot, ioh, ASC_CC_HALT); |
200 | ASC_SET_CHIP_STATUS(iot, ioh, 0); |
201 | |
202 | sc->sc_iot = iot; |
203 | sc->sc_ioh = ioh; |
204 | sc->sc_dmat = pa->pa_dmat; |
205 | sc->pci_device_id = pa->pa_id; |
206 | sc->bus_type = ASC_IS_PCI; |
207 | sc->chip_version = ASC_GET_CHIP_VER_NO(iot, ioh); |
208 | |
209 | /* |
210 | * Initialize the board |
211 | */ |
212 | if (adv_init(sc)) |
213 | panic("adv_pci_attach: adv_init failed" ); |
214 | |
215 | /* |
216 | * Map Interrupt line |
217 | */ |
218 | if (pci_intr_map(pa, &ih)) { |
219 | aprint_error_dev(sc->sc_dev, "couldn't map interrupt\n" ); |
220 | return; |
221 | } |
222 | intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf)); |
223 | |
224 | /* |
225 | * Establish Interrupt handler |
226 | */ |
227 | sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adv_intr, sc); |
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 | |