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("$FreeBSD$");
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.h>
43 #include <machine/resource.h>
44 #include <sys/rman.h>
45
46 #include <dev/eisa/eisaconf.h>
47
48 #include <dev/buslogic/btreg.h>
49
50 #define EISA_DEVICE_ID_BUSLOGIC_74X_B 0x0ab34201
51 #define EISA_DEVICE_ID_BUSLOGIC_74X_C 0x0ab34202
52 #define EISA_DEVICE_ID_SDC3222B 0x0ab34281
53 #define EISA_DEVICE_ID_SDC3222F 0x0ab34781
54 #define EISA_DEVICE_ID_SDC3222WS 0x0ab34981
55 #define EISA_DEVICE_ID_SDC3222WB 0x0ab34982
56 #define EISA_DEVICE_ID_AMI_4801 0x05a94801
57
58 #define BT_IOSIZE 0x04 /* Move to central header */
59 #define BT_EISA_IOSIZE 0x100
60 #define BT_EISA_SLOT_OFFSET 0xc00
61
62 #define EISA_IOCONF 0x08C
63 #define PORTADDR 0x07
64 #define PORT_330 0x00
65 #define PORT_334 0x01
66 #define PORT_230 0x02
67 #define PORT_234 0x03
68 #define PORT_130 0x04
69 #define PORT_134 0x05
70 #define IRQ_CHANNEL 0xe0
71 #define INT_11 0x40
72 #define INT_10 0x20
73 #define INT_15 0xa0
74 #define INT_12 0x60
75 #define INT_14 0x80
76 #define INT_9 0x00
77
78 #define EISA_IRQ_TYPE 0x08D
79 #define LEVEL 0x40
80
81 /* Definitions for the AMI Series 48 controller */
82 #define AMI_EISA_IOSIZE 0x500 /* Two separate ranges?? */
83 #define AMI_EISA_SLOT_OFFSET 0x800
84 #define AMI_EISA_IOCONF 0x000
85 #define AMI_DMA_CHANNEL 0x03
86 #define AMI_IRQ_CHANNEL 0x1c
87 #define AMI_INT_15 0x14
88 #define AMI_INT_14 0x10
89 #define AMI_INT_12 0x0c
90 #define AMI_INT_11 0x00
91 #define AMI_INT_10 0x08
92 #define AMI_INT_9 0x04
93 #define AMI_BIOS_ADDR 0xe0
94
95 #define AMI_EISA_IOCONF1 0x001
96 #define AMI_PORTADDR 0x0e
97 #define AMI_PORT_334 0x08
98 #define AMI_PORT_330 0x00
99 #define AMI_PORT_234 0x0c
100 #define AMI_PORT_230 0x04
101 #define AMI_PORT_134 0x0a
102 #define AMI_PORT_130 0x02
103 #define AMI_IRQ_LEVEL 0x01
104
105
106 #define AMI_MISC2_OPTIONS 0x49E
107 #define AMI_ENABLE_ISA_DMA 0x08
108
109 static const char *bt_match(eisa_id_t type);
110
111 static int
bt_eisa_alloc_resources(device_t dev)112 bt_eisa_alloc_resources(device_t dev)
113 {
114 struct bt_softc *bt = device_get_softc(dev);
115 int rid;
116 struct resource *port;
117 struct resource *irq;
118 int shared;
119
120 /*
121 * XXX assumes that the iospace ranges are sorted in increasing
122 * order.
123 */
124 rid = 0;
125 port = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
126 if (!port)
127 return (ENOMEM);
128
129 bt_init_softc(dev, port, 0, 0);
130
131 if (eisa_get_irq(dev) != -1) {
132 shared = bt->level_trigger_ints ? RF_SHAREABLE : 0;
133 rid = 0;
134 irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
135 shared | RF_ACTIVE);
136 if (!irq) {
137 if (port)
138 bus_release_resource(dev, SYS_RES_IOPORT,
139 0, port);
140 return (ENOMEM);
141 }
142 } else
143 irq = NULL;
144 bt->irq = irq;
145
146 return (0);
147 }
148
149 static void
bt_eisa_release_resources(device_t dev)150 bt_eisa_release_resources(device_t dev)
151 {
152 struct bt_softc *bt = device_get_softc(dev);
153
154 if (bt->port)
155 bus_release_resource(dev, SYS_RES_IOPORT, 0, bt->port);
156 if (bt->irq)
157 bus_release_resource(dev, SYS_RES_IRQ, 0, bt->irq);
158 bt_free_softc(dev);
159 }
160
161 static const char*
bt_match(eisa_id_t type)162 bt_match(eisa_id_t type)
163 {
164 switch(type) {
165 case EISA_DEVICE_ID_BUSLOGIC_74X_B:
166 return ("Buslogic 74xB SCSI host adapter");
167 case EISA_DEVICE_ID_BUSLOGIC_74X_C:
168 return ("Buslogic 74xC SCSI host adapter");
169 case EISA_DEVICE_ID_SDC3222B:
170 return ("Storage Dimensions SDC3222B SCSI host adapter");
171 case EISA_DEVICE_ID_SDC3222F:
172 return ("Storage Dimensions SDC3222F SCSI host adapter");
173 case EISA_DEVICE_ID_SDC3222WS:
174 return ("Storage Dimensions SDC3222WS SCSI host adapter");
175 case EISA_DEVICE_ID_SDC3222WB:
176 return ("Storage Dimensions SDC3222WB SCSI host adapter");
177 case EISA_DEVICE_ID_AMI_4801:
178 return ("AMI Series 48 SCSI host adapter");
179 default:
180 break;
181 }
182 return (NULL);
183 }
184
185 static int
bt_eisa_probe(device_t dev)186 bt_eisa_probe(device_t dev)
187 {
188 const char *desc;
189 u_long iobase;
190 struct bt_probe_info info;
191 u_long port;
192 u_long iosize;
193 u_int ioconf;
194 int result;
195 int shared;
196
197 desc = bt_match(eisa_get_id(dev));
198 if (!desc)
199 return (ENXIO);
200 device_set_desc(dev, desc);
201
202 iobase = (eisa_get_slot(dev) * EISA_SLOT_SIZE);
203 if (eisa_get_id(dev) == EISA_DEVICE_ID_AMI_4801) {
204 u_int ioconf1;
205
206 iobase += AMI_EISA_SLOT_OFFSET;
207 iosize = AMI_EISA_IOSIZE;
208 ioconf1 = inb(iobase + AMI_EISA_IOCONF1);
209 /* Determine "ISA" I/O port */
210 switch (ioconf1 & AMI_PORTADDR) {
211 case AMI_PORT_330:
212 port = 0x330;
213 break;
214 case AMI_PORT_334:
215 port = 0x334;
216 break;
217 case AMI_PORT_230:
218 port = 0x230;
219 break;
220 case AMI_PORT_234:
221 port = 0x234;
222 break;
223 case AMI_PORT_134:
224 port = 0x134;
225 break;
226 case AMI_PORT_130:
227 port = 0x130;
228 break;
229 default:
230 /* Disabled */
231 printf("bt: AMI EISA Adapter at "
232 "slot %d has a disabled I/O "
233 "port. Cannot attach.\n",
234 eisa_get_slot(dev));
235 return (ENXIO);
236 }
237 shared = (inb(iobase + AMI_EISA_IOCONF1) & AMI_IRQ_LEVEL) ?
238 EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE;
239 } else {
240 iobase += BT_EISA_SLOT_OFFSET;
241 iosize = BT_EISA_IOSIZE;
242
243 ioconf = inb(iobase + EISA_IOCONF);
244 /* Determine "ISA" I/O port */
245 switch (ioconf & PORTADDR) {
246 case PORT_330:
247 port = 0x330;
248 break;
249 case PORT_334:
250 port = 0x334;
251 break;
252 case PORT_230:
253 port = 0x230;
254 break;
255 case PORT_234:
256 port = 0x234;
257 break;
258 case PORT_130:
259 port = 0x130;
260 break;
261 case PORT_134:
262 port = 0x134;
263 break;
264 default:
265 /* Disabled */
266 printf("bt: Buslogic EISA Adapter at "
267 "slot %d has a disabled I/O "
268 "port. Cannot attach.\n",
269 eisa_get_slot(dev));
270 return (ENXIO);
271 }
272 shared = (inb(iobase + EISA_IRQ_TYPE) & LEVEL) ?
273 EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE;
274 }
275 bt_mark_probed_iop(port);
276
277 /* Tell parent where our resources are going to be */
278 eisa_add_iospace(dev, iobase, iosize, RESVADDR_NONE);
279 eisa_add_iospace(dev, port, BT_IOSIZE, RESVADDR_NONE);
280
281 /* And allocate them */
282 bt_eisa_alloc_resources(dev);
283
284 if (bt_port_probe(dev, &info) != 0) {
285 printf("bt_eisa_probe: Probe failed for "
286 "card at slot 0x%x\n", eisa_get_slot(dev));
287 result = ENXIO;
288 } else {
289 eisa_add_intr(dev, info.irq, shared);
290 result = BUS_PROBE_DEFAULT;
291 }
292 bt_eisa_release_resources(dev);
293
294 return (result);
295 }
296
297 static int
bt_eisa_attach(device_t dev)298 bt_eisa_attach(device_t dev)
299 {
300 struct bt_softc *bt = device_get_softc(dev);
301
302 /* Allocate resources */
303 bt_eisa_alloc_resources(dev);
304
305 /* Allocate a dmatag for our SCB DMA maps */
306 /* XXX Should be a child of the PCI bus dma tag */
307 if (bus_dma_tag_create( /* parent */ NULL,
308 /* alignment */ 1,
309 /* boundary */ 0,
310 /* lowaddr */ BUS_SPACE_MAXADDR_32BIT,
311 /* highaddr */ BUS_SPACE_MAXADDR,
312 /* filter */ NULL,
313 /* filterarg */ NULL,
314 /* maxsize */ BUS_SPACE_MAXSIZE_32BIT,
315 /* nsegments */ ~0,
316 /* maxsegsz */ BUS_SPACE_MAXSIZE_32BIT,
317 /* flags */ 0,
318 /* lockfunc */ NULL,
319 /* lockarg, */ NULL,
320 &bt->parent_dmat) != 0) {
321 bt_eisa_release_resources(dev);
322 return (ENOMEM);
323 }
324
325 /*
326 * Now that we know we own the resources we need, do the full
327 * card initialization.
328 */
329 if (bt_probe(dev) || bt_fetch_adapter_info(dev) || bt_init(dev)) {
330 bt_eisa_release_resources(dev);
331 return (ENXIO);
332 }
333
334 /* Attach sub-devices - always succeeds (sets up intr) */
335 bt_attach(dev);
336
337 return 0;
338 }
339
340 static device_method_t bt_eisa_methods[] = {
341 /* Device interface */
342 DEVMETHOD(device_probe, bt_eisa_probe),
343 DEVMETHOD(device_attach, bt_eisa_attach),
344
345 { 0, 0 }
346 };
347
348 static driver_t bt_eisa_driver = {
349 "bt",
350 bt_eisa_methods,
351 sizeof(struct bt_softc),
352 };
353
354 static devclass_t bt_devclass;
355
356 DRIVER_MODULE(bt, eisa, bt_eisa_driver, bt_devclass, 0, 0);
357 MODULE_DEPEND(bt, eisa, 1, 1, 1);
358