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 * $FreeBSD: releng/5.0/sys/dev/buslogic/bt_eisa.c 104710 2002-10-09 08:54:32Z peter $
30 */
31
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
35 #include <sys/module.h>
36 #include <sys/bus.h>
37
38 #include <machine/bus_pio.h>
39 #include <machine/bus.h>
40 #include <machine/resource.h>
41 #include <sys/rman.h>
42
43 #include <dev/eisa/eisaconf.h>
44
45 #include <dev/buslogic/btreg.h>
46
47 #define EISA_DEVICE_ID_BUSLOGIC_74X_B 0x0ab34201
48 #define EISA_DEVICE_ID_BUSLOGIC_74X_C 0x0ab34202
49 #define EISA_DEVICE_ID_SDC3222B 0x0ab34281
50 #define EISA_DEVICE_ID_SDC3222F 0x0ab34781
51 #define EISA_DEVICE_ID_SDC3222WS 0x0ab34981
52 #define EISA_DEVICE_ID_SDC3222WB 0x0ab34982
53 #define EISA_DEVICE_ID_AMI_4801 0x05a94801
54
55 #define BT_IOSIZE 0x04 /* Move to central header */
56 #define BT_EISA_IOSIZE 0x100
57 #define BT_EISA_SLOT_OFFSET 0xc00
58
59 #define EISA_IOCONF 0x08C
60 #define PORTADDR 0x07
61 #define PORT_330 0x00
62 #define PORT_334 0x01
63 #define PORT_230 0x02
64 #define PORT_234 0x03
65 #define PORT_130 0x04
66 #define PORT_134 0x05
67 #define IRQ_CHANNEL 0xe0
68 #define INT_11 0x40
69 #define INT_10 0x20
70 #define INT_15 0xa0
71 #define INT_12 0x60
72 #define INT_14 0x80
73 #define INT_9 0x00
74
75 #define EISA_IRQ_TYPE 0x08D
76 #define LEVEL 0x40
77
78 /* Definitions for the AMI Series 48 controler */
79 #define AMI_EISA_IOSIZE 0x500 /* Two separate ranges?? */
80 #define AMI_EISA_SLOT_OFFSET 0x800
81 #define AMI_EISA_IOCONF 0x000
82 #define AMI_DMA_CHANNEL 0x03
83 #define AMI_IRQ_CHANNEL 0x1c
84 #define AMI_INT_15 0x14
85 #define AMI_INT_14 0x10
86 #define AMI_INT_12 0x0c
87 #define AMI_INT_11 0x00
88 #define AMI_INT_10 0x08
89 #define AMI_INT_9 0x04
90 #define AMI_BIOS_ADDR 0xe0
91
92 #define AMI_EISA_IOCONF1 0x001
93 #define AMI_PORTADDR 0x0e
94 #define AMI_PORT_334 0x08
95 #define AMI_PORT_330 0x00
96 #define AMI_PORT_234 0x0c
97 #define AMI_PORT_230 0x04
98 #define AMI_PORT_134 0x0a
99 #define AMI_PORT_130 0x02
100 #define AMI_IRQ_LEVEL 0x01
101
102
103 #define AMI_MISC2_OPTIONS 0x49E
104 #define AMI_ENABLE_ISA_DMA 0x08
105
106 static const char *bt_match(eisa_id_t type);
107
108 static int
109 bt_eisa_alloc_resources(device_t dev)
110 {
111 struct bt_softc *bt = device_get_softc(dev);
112 int rid;
113 struct resource *port;
114 struct resource *irq;
115 int shared;
116
117 /*
118 * XXX assumes that the iospace ranges are sorted in increasing
119 * order.
120 */
121 rid = 0;
122 port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
123 0, ~0, 1, RF_ACTIVE);
124 if (!port)
125 return (ENOMEM);
126
127 bt_init_softc(dev, port, 0, 0);
128
129 if (eisa_get_irq(dev) != -1) {
130 shared = bt->level_trigger_ints ? RF_SHAREABLE : 0;
131 rid = 0;
132 irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
133 0, ~0, 1, shared | RF_ACTIVE);
134 if (!irq) {
135 if (port)
136 bus_release_resource(dev, SYS_RES_IOPORT,
137 0, port);
138 return (ENOMEM);
139 }
140 } else
141 irq = 0;
142 bt->irq = irq;
143
144 return (0);
145 }
146
147 static void
148 bt_eisa_release_resources(device_t dev)
149 {
150 struct bt_softc *bt = device_get_softc(dev);
151
152 if (bt->port)
153 bus_release_resource(dev, SYS_RES_IOPORT, 0, bt->port);
154 if (bt->irq)
155 bus_release_resource(dev, SYS_RES_IRQ, 0, bt->irq);
156 bt_free_softc(dev);
157 }
158
159 static const char*
160 bt_match(eisa_id_t type)
161 {
162 switch(type) {
163 case EISA_DEVICE_ID_BUSLOGIC_74X_B:
164 return ("Buslogic 74xB SCSI host adapter");
165 break;
166 case EISA_DEVICE_ID_BUSLOGIC_74X_C:
167 return ("Buslogic 74xC SCSI host adapter");
168 break;
169 case EISA_DEVICE_ID_SDC3222B:
170 return ("Storage Dimensions SDC3222B SCSI host adapter");
171 break;
172 case EISA_DEVICE_ID_SDC3222F:
173 return ("Storage Dimensions SDC3222F SCSI host adapter");
174 break;
175 case EISA_DEVICE_ID_SDC3222WS:
176 return ("Storage Dimensions SDC3222WS SCSI host adapter");
177 break;
178 case EISA_DEVICE_ID_SDC3222WB:
179 return ("Storage Dimensions SDC3222WB SCSI host adapter");
180 break;
181 case EISA_DEVICE_ID_AMI_4801:
182 return ("AMI Series 48 SCSI host adapter");
183 break;
184 default:
185 break;
186 }
187 return (NULL);
188 }
189
190 static int
191 bt_eisa_probe(device_t dev)
192 {
193 const char *desc;
194 u_long iobase;
195 struct bt_probe_info info;
196 u_long port;
197 u_long iosize;
198 u_int ioconf;
199 int result;
200 int shared;
201
202 desc = bt_match(eisa_get_id(dev));
203 if (!desc)
204 return (ENXIO);
205 device_set_desc(dev, desc);
206
207 iobase = (eisa_get_slot(dev) * EISA_SLOT_SIZE);
208 if (eisa_get_id(dev) == EISA_DEVICE_ID_AMI_4801) {
209 u_int ioconf1;
210
211 iobase += AMI_EISA_SLOT_OFFSET;
212 iosize = AMI_EISA_IOSIZE;
213 ioconf1 = inb(iobase + AMI_EISA_IOCONF1);
214 /* Determine "ISA" I/O port */
215 switch (ioconf1 & AMI_PORTADDR) {
216 case AMI_PORT_330:
217 port = 0x330;
218 break;
219 case AMI_PORT_334:
220 port = 0x334;
221 break;
222 case AMI_PORT_230:
223 port = 0x230;
224 break;
225 case AMI_PORT_234:
226 port = 0x234;
227 break;
228 case AMI_PORT_134:
229 port = 0x134;
230 break;
231 case AMI_PORT_130:
232 port = 0x130;
233 break;
234 default:
235 /* Disabled */
236 printf("bt: AMI EISA Adapter at "
237 "slot %d has a disabled I/O "
238 "port. Cannot attach.\n",
239 eisa_get_slot(dev));
240 return (ENXIO);
241 }
242 shared = (inb(iobase + AMI_EISA_IOCONF1) & AMI_IRQ_LEVEL) ?
243 EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE;
244 } else {
245 iobase += BT_EISA_SLOT_OFFSET;
246 iosize = BT_EISA_IOSIZE;
247
248 ioconf = inb(iobase + EISA_IOCONF);
249 /* Determine "ISA" I/O port */
250 switch (ioconf & PORTADDR) {
251 case PORT_330:
252 port = 0x330;
253 break;
254 case PORT_334:
255 port = 0x334;
256 break;
257 case PORT_230:
258 port = 0x230;
259 break;
260 case PORT_234:
261 port = 0x234;
262 break;
263 case PORT_130:
264 port = 0x130;
265 break;
266 case PORT_134:
267 port = 0x134;
268 break;
269 default:
270 /* Disabled */
271 printf("bt: Buslogic EISA Adapter at "
272 "slot %d has a disabled I/O "
273 "port. Cannot attach.\n",
274 eisa_get_slot(dev));
275 return (ENXIO);
276 }
277 shared = (inb(iobase + EISA_IRQ_TYPE) & LEVEL) ?
278 EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE;
279 }
280 bt_mark_probed_iop(port);
281
282 /* Tell parent where our resources are going to be */
283 eisa_add_iospace(dev, iobase, iosize, RESVADDR_NONE);
284 eisa_add_iospace(dev, port, BT_IOSIZE, RESVADDR_NONE);
285
286 /* And allocate them */
287 bt_eisa_alloc_resources(dev);
288
289 if (bt_port_probe(dev, &info) != 0) {
290 printf("bt_eisa_probe: Probe failed for "
291 "card at slot 0x%x\n", eisa_get_slot(dev));
292 result = ENXIO;
293 } else {
294 eisa_add_intr(dev, info.irq, shared);
295 result = 0;
296 }
297 bt_eisa_release_resources(dev);
298
299 return (result);
300 }
301
302 static int
303 bt_eisa_attach(device_t dev)
304 {
305 struct bt_softc *bt = device_get_softc(dev);
306
307 /* Allocate resources */
308 bt_eisa_alloc_resources(dev);
309
310 /* Allocate a dmatag for our SCB DMA maps */
311 /* XXX Should be a child of the PCI bus dma tag */
312 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/1, /*boundary*/0,
313 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
314 /*highaddr*/BUS_SPACE_MAXADDR,
315 /*filter*/NULL, /*filterarg*/NULL,
316 /*maxsize*/BUS_SPACE_MAXSIZE_32BIT,
317 /*nsegments*/~0,
318 /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT,
319 /*flags*/0, &bt->parent_dmat) != 0) {
320 bt_eisa_release_resources(dev);
321 return -1;
322 }
323
324 /*
325 * Now that we know we own the resources we need, do the full
326 * card initialization.
327 */
328 if (bt_probe(dev) || bt_fetch_adapter_info(dev) || bt_init(dev)) {
329 bt_eisa_release_resources(dev);
330 return -1;
331 }
332
333 /* Attach sub-devices - always succeeds (sets up intr) */
334 bt_attach(dev);
335
336 return 0;
337 }
338
339 static device_method_t bt_eisa_methods[] = {
340 /* Device interface */
341 DEVMETHOD(device_probe, bt_eisa_probe),
342 DEVMETHOD(device_attach, bt_eisa_attach),
343
344 { 0, 0 }
345 };
346
347 static driver_t bt_eisa_driver = {
348 "bt",
349 bt_eisa_methods,
350 sizeof(struct bt_softc),
351 };
352
353 static devclass_t bt_devclass;
354
355 DRIVER_MODULE(bt, eisa, bt_eisa_driver, bt_devclass, 0, 0);
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