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 * $Id: bt_eisa.c,v 1.7 1999/05/08 21:59:18 dfr Exp $
|
| 29 * $Id: bt_eisa.c,v 1.8 1999/08/01 22:57:08 mdodd Exp $ |
30 */
31
32#include "eisa.h"
33#if NEISA > 0
34
35#include <sys/param.h>
36#include <sys/systm.h>
37#include <sys/kernel.h>
38#include <sys/module.h>
39#include <sys/bus.h>
40
41#include <machine/bus_pio.h>
42#include <machine/bus.h>
43#include <machine/resource.h>
44#include <sys/rman.h>
45
46#include <i386/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_SDC3222F 0x0ab34781
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
106static const char *bt_match(eisa_id_t type);
107
108static int
109bt_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
147static void
148bt_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
159static const char*
160bt_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_SDC3222F:
170 return ("Storage Dimensions SDC3222F SCSI host adapter");
171 break;
172 case EISA_DEVICE_ID_AMI_4801:
173 return ("AMI Series 48 SCSI host adapter");
174 break;
175 default:
176 break;
177 }
178 return (NULL);
179}
180
181static int
182bt_eisa_probe(device_t dev)
183{
184 const char *desc;
185 u_long iobase;
186 struct bt_probe_info info;
187 u_long port;
188 u_long iosize;
189 u_int ioconf;
190 int result;
191 int shared;
192
193 desc = bt_match(eisa_get_id(dev));
194 if (!desc)
195 return (ENXIO);
196 device_set_desc(dev, desc);
197
198 iobase = (eisa_get_slot(dev) * EISA_SLOT_SIZE);
199 if (eisa_get_id(dev) == EISA_DEVICE_ID_AMI_4801) {
200 u_int ioconf1;
201
202 iobase += AMI_EISA_SLOT_OFFSET;
203 iosize = AMI_EISA_IOSIZE;
204 ioconf1 = inb(iobase + AMI_EISA_IOCONF1);
205 /* Determine "ISA" I/O port */
206 switch (ioconf1 & AMI_PORTADDR) {
207 case AMI_PORT_330:
208 port = 0x330;
209 break;
210 case AMI_PORT_334:
211 port = 0x334;
212 break;
213 case AMI_PORT_230:
214 port = 0x230;
215 break;
216 case AMI_PORT_234:
217 port = 0x234;
218 break;
219 case AMI_PORT_134:
220 port = 0x134;
221 break;
222 case AMI_PORT_130:
223 port = 0x130;
224 break;
225 default:
226 /* Disabled */
227 printf("bt: AMI EISA Adapter at "
228 "slot %d has a disabled I/O "
229 "port. Cannot attach.\n",
230 eisa_get_slot(dev));
231 return (ENXIO);
232 }
233 shared = (inb(iobase + AMI_EISA_IOCONF1) & AMI_IRQ_LEVEL) ?
234 EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE;
235 } else {
236 iobase += BT_EISA_SLOT_OFFSET;
237 iosize = BT_EISA_IOSIZE;
238
239 ioconf = inb(iobase + EISA_IOCONF);
240 /* Determine "ISA" I/O port */
241 switch (ioconf & PORTADDR) {
242 case PORT_330:
243 port = 0x330;
244 break;
245 case PORT_334:
246 port = 0x334;
247 break;
248 case PORT_230:
249 port = 0x230;
250 break;
251 case PORT_234:
252 port = 0x234;
253 break;
254 case PORT_130:
255 port = 0x130;
256 break;
257 case PORT_134:
258 port = 0x134;
259 break;
260 default:
261 /* Disabled */
262 printf("bt: Buslogic EISA Adapter at "
263 "slot %d has a disabled I/O "
264 "port. Cannot attach.\n",
265 eisa_get_slot(dev));
266 return (ENXIO);
267 }
268 shared = (inb(iobase + EISA_IRQ_TYPE) & LEVEL) ?
269 EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE;
270 }
271 bt_mark_probed_iop(port);
272
273 /* Tell parent where our resources are going to be */
274 eisa_add_iospace(dev, iobase, iosize, RESVADDR_NONE);
275 eisa_add_iospace(dev, port, BT_IOSIZE, RESVADDR_NONE);
276
277 /* And allocate them */
278 bt_eisa_alloc_resources(dev);
279
280 if (bt_port_probe(dev, &info) != 0) {
281 printf("bt_eisa_probe: Probe failed for "
282 "card at slot 0x%x\n", eisa_get_slot(dev));
283 result = ENXIO;
284 } else {
285 eisa_add_intr(dev, info.irq, shared);
286 result = 0;
287 }
288 bt_eisa_release_resources(dev);
289
290 return (result);
291}
292
293static int
294bt_eisa_attach(device_t dev)
295{
296 struct bt_softc *bt = device_get_softc(dev);
297
298 /* Allocate resources */
299 bt_eisa_alloc_resources(dev);
300
301 /* Allocate a dmatag for our SCB DMA maps */
302 /* XXX Should be a child of the PCI bus dma tag */
|
303 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/0, /*boundary*/0,
|
| 303 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/1, /*boundary*/0, |
304 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
305 /*highaddr*/BUS_SPACE_MAXADDR,
306 /*filter*/NULL, /*filterarg*/NULL,
307 /*maxsize*/BUS_SPACE_MAXSIZE_32BIT,
308 /*nsegments*/BUS_SPACE_UNRESTRICTED,
309 /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT,
310 /*flags*/0, &bt->parent_dmat) != 0) {
311 bt_eisa_release_resources(dev);
312 return -1;
313 }
314
315 /*
316 * Now that we know we own the resources we need, do the full
317 * card initialization.
318 */
319 if (bt_probe(dev) || bt_fetch_adapter_info(dev) || bt_init(dev)) {
320 bt_eisa_release_resources(dev);
321 return -1;
322 }
323
324 /* Attach sub-devices - always succeeds (sets up intr) */
325 bt_attach(dev);
326
327 return 0;
328}
329
330static device_method_t bt_eisa_methods[] = {
331 /* Device interface */
332 DEVMETHOD(device_probe, bt_eisa_probe),
333 DEVMETHOD(device_attach, bt_eisa_attach),
334
335 { 0, 0 }
336};
337
338static driver_t bt_eisa_driver = {
339 "bt",
340 bt_eisa_methods,
341 sizeof(struct bt_softc),
342};
343
344static devclass_t bt_devclass;
345
346DRIVER_MODULE(bt, eisa, bt_eisa_driver, bt_devclass, 0, 0);
347
348#endif /* NEISA > 0 */
|