1 /*
2 * Product specific probe and attach routines for:
3 * Buslogic BT74x SCSI controllers
4 *
5 * Copyright (c) 1995, 1998, 1999 Justin T. Gibbs
6 * All rights reserved.
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 immediately at the beginning of the file, without modification,
13 * this list of conditions, and the following disclaimer.
14 * 2. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 */
30
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD: releng/5.3/sys/dev/buslogic/bt_eisa.c 127135 2004-03-17 17:50:55Z njl $");
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/kernel.h>
37 #include <sys/module.h>
38 #include <sys/lock.h>
39 #include <sys/mutex.h>
40 #include <sys/bus.h>
41
42 #include <machine/bus_pio.h>
43 #include <machine/bus.h>
44 #include <machine/resource.h>
45 #include <sys/rman.h>
46
47 #include <dev/eisa/eisaconf.h>
48
49 #include <dev/buslogic/btreg.h>
50
51 #define EISA_DEVICE_ID_BUSLOGIC_74X_B 0x0ab34201
52 #define EISA_DEVICE_ID_BUSLOGIC_74X_C 0x0ab34202
53 #define EISA_DEVICE_ID_SDC3222B 0x0ab34281
54 #define EISA_DEVICE_ID_SDC3222F 0x0ab34781
55 #define EISA_DEVICE_ID_SDC3222WS 0x0ab34981
56 #define EISA_DEVICE_ID_SDC3222WB 0x0ab34982
57 #define EISA_DEVICE_ID_AMI_4801 0x05a94801
58
59 #define BT_IOSIZE 0x04 /* Move to central header */
60 #define BT_EISA_IOSIZE 0x100
61 #define BT_EISA_SLOT_OFFSET 0xc00
62
63 #define EISA_IOCONF 0x08C
64 #define PORTADDR 0x07
65 #define PORT_330 0x00
66 #define PORT_334 0x01
67 #define PORT_230 0x02
68 #define PORT_234 0x03
69 #define PORT_130 0x04
70 #define PORT_134 0x05
71 #define IRQ_CHANNEL 0xe0
72 #define INT_11 0x40
73 #define INT_10 0x20
74 #define INT_15 0xa0
75 #define INT_12 0x60
76 #define INT_14 0x80
77 #define INT_9 0x00
78
79 #define EISA_IRQ_TYPE 0x08D
80 #define LEVEL 0x40
81
82 /* Definitions for the AMI Series 48 controler */
83 #define AMI_EISA_IOSIZE 0x500 /* Two separate ranges?? */
84 #define AMI_EISA_SLOT_OFFSET 0x800
85 #define AMI_EISA_IOCONF 0x000
86 #define AMI_DMA_CHANNEL 0x03
87 #define AMI_IRQ_CHANNEL 0x1c
88 #define AMI_INT_15 0x14
89 #define AMI_INT_14 0x10
90 #define AMI_INT_12 0x0c
91 #define AMI_INT_11 0x00
92 #define AMI_INT_10 0x08
93 #define AMI_INT_9 0x04
94 #define AMI_BIOS_ADDR 0xe0
95
96 #define AMI_EISA_IOCONF1 0x001
97 #define AMI_PORTADDR 0x0e
98 #define AMI_PORT_334 0x08
99 #define AMI_PORT_330 0x00
100 #define AMI_PORT_234 0x0c
101 #define AMI_PORT_230 0x04
102 #define AMI_PORT_134 0x0a
103 #define AMI_PORT_130 0x02
104 #define AMI_IRQ_LEVEL 0x01
105
106
107 #define AMI_MISC2_OPTIONS 0x49E
108 #define AMI_ENABLE_ISA_DMA 0x08
109
110 static const char *bt_match(eisa_id_t type);
111
112 static int
113 bt_eisa_alloc_resources(device_t dev)
114 {
115 struct bt_softc *bt = device_get_softc(dev);
116 int rid;
117 struct resource *port;
118 struct resource *irq;
119 int shared;
120
121 /*
122 * XXX assumes that the iospace ranges are sorted in increasing
123 * order.
124 */
125 rid = 0;
126 port = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
127 if (!port)
128 return (ENOMEM);
129
130 bt_init_softc(dev, port, 0, 0);
131
132 if (eisa_get_irq(dev) != -1) {
133 shared = bt->level_trigger_ints ? RF_SHAREABLE : 0;
134 rid = 0;
135 irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
136 shared | RF_ACTIVE);
137 if (!irq) {
138 if (port)
139 bus_release_resource(dev, SYS_RES_IOPORT,
140 0, port);
141 return (ENOMEM);
142 }
143 } else
144 irq = 0;
145 bt->irq = irq;
146
147 return (0);
148 }
149
150 static void
151 bt_eisa_release_resources(device_t dev)
152 {
153 struct bt_softc *bt = device_get_softc(dev);
154
155 if (bt->port)
156 bus_release_resource(dev, SYS_RES_IOPORT, 0, bt->port);
157 if (bt->irq)
158 bus_release_resource(dev, SYS_RES_IRQ, 0, bt->irq);
159 bt_free_softc(dev);
160 }
161
162 static const char*
163 bt_match(eisa_id_t type)
164 {
165 switch(type) {
166 case EISA_DEVICE_ID_BUSLOGIC_74X_B:
167 return ("Buslogic 74xB SCSI host adapter");
168 case EISA_DEVICE_ID_BUSLOGIC_74X_C:
169 return ("Buslogic 74xC SCSI host adapter");
170 case EISA_DEVICE_ID_SDC3222B:
171 return ("Storage Dimensions SDC3222B SCSI host adapter");
172 case EISA_DEVICE_ID_SDC3222F:
173 return ("Storage Dimensions SDC3222F SCSI host adapter");
174 case EISA_DEVICE_ID_SDC3222WS:
175 return ("Storage Dimensions SDC3222WS SCSI host adapter");
176 case EISA_DEVICE_ID_SDC3222WB:
177 return ("Storage Dimensions SDC3222WB SCSI host adapter");
178 case EISA_DEVICE_ID_AMI_4801:
179 return ("AMI Series 48 SCSI host adapter");
180 default:
181 break;
182 }
183 return (NULL);
184 }
185
186 static int
187 bt_eisa_probe(device_t dev)
188 {
189 const char *desc;
190 u_long iobase;
191 struct bt_probe_info info;
192 u_long port;
193 u_long iosize;
194 u_int ioconf;
195 int result;
196 int shared;
197
198 desc = bt_match(eisa_get_id(dev));
199 if (!desc)
200 return (ENXIO);
201 device_set_desc(dev, desc);
202
203 iobase = (eisa_get_slot(dev) * EISA_SLOT_SIZE);
204 if (eisa_get_id(dev) == EISA_DEVICE_ID_AMI_4801) {
205 u_int ioconf1;
206
207 iobase += AMI_EISA_SLOT_OFFSET;
208 iosize = AMI_EISA_IOSIZE;
209 ioconf1 = inb(iobase + AMI_EISA_IOCONF1);
210 /* Determine "ISA" I/O port */
211 switch (ioconf1 & AMI_PORTADDR) {
212 case AMI_PORT_330:
213 port = 0x330;
214 break;
215 case AMI_PORT_334:
216 port = 0x334;
217 break;
218 case AMI_PORT_230:
219 port = 0x230;
220 break;
221 case AMI_PORT_234:
222 port = 0x234;
223 break;
224 case AMI_PORT_134:
225 port = 0x134;
226 break;
227 case AMI_PORT_130:
228 port = 0x130;
229 break;
230 default:
231 /* Disabled */
232 printf("bt: AMI EISA Adapter at "
233 "slot %d has a disabled I/O "
234 "port. Cannot attach.\n",
235 eisa_get_slot(dev));
236 return (ENXIO);
237 }
238 shared = (inb(iobase + AMI_EISA_IOCONF1) & AMI_IRQ_LEVEL) ?
239 EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE;
240 } else {
241 iobase += BT_EISA_SLOT_OFFSET;
242 iosize = BT_EISA_IOSIZE;
243
244 ioconf = inb(iobase + EISA_IOCONF);
245 /* Determine "ISA" I/O port */
246 switch (ioconf & PORTADDR) {
247 case PORT_330:
248 port = 0x330;
249 break;
250 case PORT_334:
251 port = 0x334;
252 break;
253 case PORT_230:
254 port = 0x230;
255 break;
256 case PORT_234:
257 port = 0x234;
258 break;
259 case PORT_130:
260 port = 0x130;
261 break;
262 case PORT_134:
263 port = 0x134;
264 break;
265 default:
266 /* Disabled */
267 printf("bt: Buslogic EISA Adapter at "
268 "slot %d has a disabled I/O "
269 "port. Cannot attach.\n",
270 eisa_get_slot(dev));
271 return (ENXIO);
272 }
273 shared = (inb(iobase + EISA_IRQ_TYPE) & LEVEL) ?
274 EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE;
275 }
276 bt_mark_probed_iop(port);
277
278 /* Tell parent where our resources are going to be */
279 eisa_add_iospace(dev, iobase, iosize, RESVADDR_NONE);
280 eisa_add_iospace(dev, port, BT_IOSIZE, RESVADDR_NONE);
281
282 /* And allocate them */
283 bt_eisa_alloc_resources(dev);
284
285 if (bt_port_probe(dev, &info) != 0) {
286 printf("bt_eisa_probe: Probe failed for "
287 "card at slot 0x%x\n", eisa_get_slot(dev));
288 result = ENXIO;
289 } else {
290 eisa_add_intr(dev, info.irq, shared);
291 result = 0;
292 }
293 bt_eisa_release_resources(dev);
294
295 return (result);
296 }
297
298 static int
299 bt_eisa_attach(device_t dev)
300 {
301 struct bt_softc *bt = device_get_softc(dev);
302
303 /* Allocate resources */
304 bt_eisa_alloc_resources(dev);
305
306 /* Allocate a dmatag for our SCB DMA maps */
307 /* XXX Should be a child of the PCI bus dma tag */
308 if (bus_dma_tag_create( /* parent */ NULL,
309 /* alignment */ 1,
310 /* boundary */ 0,
311 /* lowaddr */ BUS_SPACE_MAXADDR_32BIT,
312 /* highaddr */ BUS_SPACE_MAXADDR,
313 /* filter */ NULL,
314 /* filterarg */ NULL,
315 /* maxsize */ BUS_SPACE_MAXSIZE_32BIT,
316 /* nsegments */ ~0,
317 /* maxsegsz */ BUS_SPACE_MAXSIZE_32BIT,
318 /* flags */ 0,
319 /* lockfunc */ busdma_lock_mutex,
320 /* lockarg, */ &Giant,
321 &bt->parent_dmat) != 0) {
322 bt_eisa_release_resources(dev);
323 return -1;
324 }
325
326 /*
327 * Now that we know we own the resources we need, do the full
328 * card initialization.
329 */
330 if (bt_probe(dev) || bt_fetch_adapter_info(dev) || bt_init(dev)) {
331 bt_eisa_release_resources(dev);
332 return -1;
333 }
334
335 /* Attach sub-devices - always succeeds (sets up intr) */
336 bt_attach(dev);
337
338 return 0;
339 }
340
341 static device_method_t bt_eisa_methods[] = {
342 /* Device interface */
343 DEVMETHOD(device_probe, bt_eisa_probe),
344 DEVMETHOD(device_attach, bt_eisa_attach),
345
346 { 0, 0 }
347 };
348
349 static driver_t bt_eisa_driver = {
350 "bt",
351 bt_eisa_methods,
352 sizeof(struct bt_softc),
353 };
354
355 static devclass_t bt_devclass;
356
357 DRIVER_MODULE(bt, eisa, bt_eisa_driver, bt_devclass, 0, 0);
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