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
29 * $FreeBSD: src/sys/dev/buslogic/bt_eisa.c,v 1.12 2000/01/29 14:27:26 peter Exp $
30 * $DragonFly: src/sys/dev/disk/buslogic/bt_eisa.c,v 1.3 2003/08/07 21:16:52 dillon Exp $
33 #include <sys/param.h>
34 #include <sys/systm.h>
35 #include <sys/kernel.h>
36 #include <sys/module.h>
39 #include <machine/bus_pio.h>
40 #include <machine/bus.h>
41 #include <machine/resource.h>
44 #include <bus/eisa/eisaconf.h>
48 #define EISA_DEVICE_ID_BUSLOGIC_74X_B 0x0ab34201
49 #define EISA_DEVICE_ID_BUSLOGIC_74X_C 0x0ab34202
50 #define EISA_DEVICE_ID_SDC3222F 0x0ab34781
51 #define EISA_DEVICE_ID_AMI_4801 0x05a94801
53 #define BT_IOSIZE 0x04 /* Move to central header */
54 #define BT_EISA_IOSIZE 0x100
55 #define BT_EISA_SLOT_OFFSET 0xc00
57 #define EISA_IOCONF 0x08C
65 #define IRQ_CHANNEL 0xe0
73 #define EISA_IRQ_TYPE 0x08D
76 /* Definitions for the AMI Series 48 controler */
77 #define AMI_EISA_IOSIZE 0x500 /* Two separate ranges?? */
78 #define AMI_EISA_SLOT_OFFSET 0x800
79 #define AMI_EISA_IOCONF 0x000
80 #define AMI_DMA_CHANNEL 0x03
81 #define AMI_IRQ_CHANNEL 0x1c
82 #define AMI_INT_15 0x14
83 #define AMI_INT_14 0x10
84 #define AMI_INT_12 0x0c
85 #define AMI_INT_11 0x00
86 #define AMI_INT_10 0x08
87 #define AMI_INT_9 0x04
88 #define AMI_BIOS_ADDR 0xe0
90 #define AMI_EISA_IOCONF1 0x001
91 #define AMI_PORTADDR 0x0e
92 #define AMI_PORT_334 0x08
93 #define AMI_PORT_330 0x00
94 #define AMI_PORT_234 0x0c
95 #define AMI_PORT_230 0x04
96 #define AMI_PORT_134 0x0a
97 #define AMI_PORT_130 0x02
98 #define AMI_IRQ_LEVEL 0x01
101 #define AMI_MISC2_OPTIONS 0x49E
102 #define AMI_ENABLE_ISA_DMA 0x08
104 static const char *bt_match(eisa_id_t type);
107 bt_eisa_alloc_resources(device_t dev)
109 struct bt_softc *bt = device_get_softc(dev);
111 struct resource *port;
112 struct resource *irq;
116 * XXX assumes that the iospace ranges are sorted in increasing
120 port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
121 0, ~0, 1, RF_ACTIVE);
125 bt_init_softc(dev, port, 0, 0);
127 if (eisa_get_irq(dev) != -1) {
128 shared = bt->level_trigger_ints ? RF_SHAREABLE : 0;
130 irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
131 0, ~0, 1, shared | RF_ACTIVE);
134 bus_release_resource(dev, SYS_RES_IOPORT,
146 bt_eisa_release_resources(device_t dev)
148 struct bt_softc *bt = device_get_softc(dev);
151 bus_release_resource(dev, SYS_RES_IOPORT, 0, bt->port);
153 bus_release_resource(dev, SYS_RES_IRQ, 0, bt->irq);
158 bt_match(eisa_id_t type)
161 case EISA_DEVICE_ID_BUSLOGIC_74X_B:
162 return ("Buslogic 74xB SCSI host adapter");
164 case EISA_DEVICE_ID_BUSLOGIC_74X_C:
165 return ("Buslogic 74xC SCSI host adapter");
167 case EISA_DEVICE_ID_SDC3222F:
168 return ("Storage Dimensions SDC3222F SCSI host adapter");
170 case EISA_DEVICE_ID_AMI_4801:
171 return ("AMI Series 48 SCSI host adapter");
180 bt_eisa_probe(device_t dev)
184 struct bt_probe_info info;
191 desc = bt_match(eisa_get_id(dev));
194 device_set_desc(dev, desc);
196 iobase = (eisa_get_slot(dev) * EISA_SLOT_SIZE);
197 if (eisa_get_id(dev) == EISA_DEVICE_ID_AMI_4801) {
200 iobase += AMI_EISA_SLOT_OFFSET;
201 iosize = AMI_EISA_IOSIZE;
202 ioconf1 = inb(iobase + AMI_EISA_IOCONF1);
203 /* Determine "ISA" I/O port */
204 switch (ioconf1 & AMI_PORTADDR) {
225 printf("bt: AMI EISA Adapter at "
226 "slot %d has a disabled I/O "
227 "port. Cannot attach.\n",
231 shared = (inb(iobase + AMI_EISA_IOCONF1) & AMI_IRQ_LEVEL) ?
232 EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE;
234 iobase += BT_EISA_SLOT_OFFSET;
235 iosize = BT_EISA_IOSIZE;
237 ioconf = inb(iobase + EISA_IOCONF);
238 /* Determine "ISA" I/O port */
239 switch (ioconf & PORTADDR) {
260 printf("bt: Buslogic EISA Adapter at "
261 "slot %d has a disabled I/O "
262 "port. Cannot attach.\n",
266 shared = (inb(iobase + EISA_IRQ_TYPE) & LEVEL) ?
267 EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE;
269 bt_mark_probed_iop(port);
271 /* Tell parent where our resources are going to be */
272 eisa_add_iospace(dev, iobase, iosize, RESVADDR_NONE);
273 eisa_add_iospace(dev, port, BT_IOSIZE, RESVADDR_NONE);
275 /* And allocate them */
276 bt_eisa_alloc_resources(dev);
278 if (bt_port_probe(dev, &info) != 0) {
279 printf("bt_eisa_probe: Probe failed for "
280 "card at slot 0x%x\n", eisa_get_slot(dev));
283 eisa_add_intr(dev, info.irq, shared);
286 bt_eisa_release_resources(dev);
292 bt_eisa_attach(device_t dev)
294 struct bt_softc *bt = device_get_softc(dev);
296 /* Allocate resources */
297 bt_eisa_alloc_resources(dev);
299 /* Allocate a dmatag for our SCB DMA maps */
300 /* XXX Should be a child of the PCI bus dma tag */
301 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/1, /*boundary*/0,
302 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
303 /*highaddr*/BUS_SPACE_MAXADDR,
304 /*filter*/NULL, /*filterarg*/NULL,
305 /*maxsize*/BUS_SPACE_MAXSIZE_32BIT,
306 /*nsegments*/BUS_SPACE_UNRESTRICTED,
307 /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT,
308 /*flags*/0, &bt->parent_dmat) != 0) {
309 bt_eisa_release_resources(dev);
314 * Now that we know we own the resources we need, do the full
315 * card initialization.
317 if (bt_probe(dev) || bt_fetch_adapter_info(dev) || bt_init(dev)) {
318 bt_eisa_release_resources(dev);
322 /* Attach sub-devices - always succeeds (sets up intr) */
328 static device_method_t bt_eisa_methods[] = {
329 /* Device interface */
330 DEVMETHOD(device_probe, bt_eisa_probe),
331 DEVMETHOD(device_attach, bt_eisa_attach),
336 static driver_t bt_eisa_driver = {
339 sizeof(struct bt_softc),
342 static devclass_t bt_devclass;
344 DRIVER_MODULE(bt, eisa, bt_eisa_driver, bt_devclass, 0, 0);