2 * Product specific probe and attach routines for:
3 * Buslogic BT74x SCSI controllers
5 * Copyright (c) 1995, 1998, 1999 Justin T. Gibbs
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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.
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
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/kernel.h>
37 #include <sys/module.h>
39 #include <sys/mutex.h>
42 #include <machine/bus.h>
43 #include <machine/resource.h>
46 #include <dev/eisa/eisaconf.h>
48 #include <dev/buslogic/btreg.h>
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
58 #define BT_IOSIZE 0x04 /* Move to central header */
59 #define BT_EISA_IOSIZE 0x100
60 #define BT_EISA_SLOT_OFFSET 0xc00
62 #define EISA_IOCONF 0x08C
70 #define IRQ_CHANNEL 0xe0
78 #define EISA_IRQ_TYPE 0x08D
81 /* Definitions for the AMI Series 48 controler */
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
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
106 #define AMI_MISC2_OPTIONS 0x49E
107 #define AMI_ENABLE_ISA_DMA 0x08
109 static const char *bt_match(eisa_id_t type);
112 bt_eisa_alloc_resources(device_t dev)
114 struct bt_softc *bt = device_get_softc(dev);
116 struct resource *port;
117 struct resource *irq;
121 * XXX assumes that the iospace ranges are sorted in increasing
125 port = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
129 bt_init_softc(dev, port, 0, 0);
131 if (eisa_get_irq(dev) != -1) {
132 shared = bt->level_trigger_ints ? RF_SHAREABLE : 0;
134 irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
138 bus_release_resource(dev, SYS_RES_IOPORT,
150 bt_eisa_release_resources(device_t dev)
152 struct bt_softc *bt = device_get_softc(dev);
155 bus_release_resource(dev, SYS_RES_IOPORT, 0, bt->port);
157 bus_release_resource(dev, SYS_RES_IRQ, 0, bt->irq);
162 bt_match(eisa_id_t 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");
186 bt_eisa_probe(device_t dev)
190 struct bt_probe_info info;
197 desc = bt_match(eisa_get_id(dev));
200 device_set_desc(dev, desc);
202 iobase = (eisa_get_slot(dev) * EISA_SLOT_SIZE);
203 if (eisa_get_id(dev) == EISA_DEVICE_ID_AMI_4801) {
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) {
231 printf("bt: AMI EISA Adapter at "
232 "slot %d has a disabled I/O "
233 "port. Cannot attach.\n",
237 shared = (inb(iobase + AMI_EISA_IOCONF1) & AMI_IRQ_LEVEL) ?
238 EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE;
240 iobase += BT_EISA_SLOT_OFFSET;
241 iosize = BT_EISA_IOSIZE;
243 ioconf = inb(iobase + EISA_IOCONF);
244 /* Determine "ISA" I/O port */
245 switch (ioconf & PORTADDR) {
266 printf("bt: Buslogic EISA Adapter at "
267 "slot %d has a disabled I/O "
268 "port. Cannot attach.\n",
272 shared = (inb(iobase + EISA_IRQ_TYPE) & LEVEL) ?
273 EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE;
275 bt_mark_probed_iop(port);
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);
281 /* And allocate them */
282 bt_eisa_alloc_resources(dev);
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));
289 eisa_add_intr(dev, info.irq, shared);
290 result = BUS_PROBE_DEFAULT;
292 bt_eisa_release_resources(dev);
298 bt_eisa_attach(device_t dev)
300 struct bt_softc *bt = device_get_softc(dev);
302 /* Allocate resources */
303 bt_eisa_alloc_resources(dev);
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,
310 /* lowaddr */ BUS_SPACE_MAXADDR_32BIT,
311 /* highaddr */ BUS_SPACE_MAXADDR,
313 /* filterarg */ NULL,
314 /* maxsize */ BUS_SPACE_MAXSIZE_32BIT,
316 /* maxsegsz */ BUS_SPACE_MAXSIZE_32BIT,
320 &bt->parent_dmat) != 0) {
321 bt_eisa_release_resources(dev);
326 * Now that we know we own the resources we need, do the full
327 * card initialization.
329 if (bt_probe(dev) || bt_fetch_adapter_info(dev) || bt_init(dev)) {
330 bt_eisa_release_resources(dev);
334 /* Attach sub-devices - always succeeds (sets up intr) */
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),
348 static driver_t bt_eisa_driver = {
351 sizeof(struct bt_softc),
354 static devclass_t bt_devclass;
356 DRIVER_MODULE(bt, eisa, bt_eisa_driver, bt_devclass, 0, 0);
357 MODULE_DEPEND(bt, eisa, 1, 1, 1);