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 $
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
35 #include <sys/module.h>
38 #include <machine/bus_pio.h>
39 #include <machine/bus.h>
40 #include <machine/resource.h>
43 #include <dev/eisa/eisaconf.h>
45 #include <dev/buslogic/btreg.h>
47 #define EISA_DEVICE_ID_BUSLOGIC_74X_B 0x0ab34201
48 #define EISA_DEVICE_ID_BUSLOGIC_74X_C 0x0ab34202
49 #define EISA_DEVICE_ID_SDC3222F 0x0ab34781
50 #define EISA_DEVICE_ID_AMI_4801 0x05a94801
52 #define BT_IOSIZE 0x04 /* Move to central header */
53 #define BT_EISA_IOSIZE 0x100
54 #define BT_EISA_SLOT_OFFSET 0xc00
56 #define EISA_IOCONF 0x08C
64 #define IRQ_CHANNEL 0xe0
72 #define EISA_IRQ_TYPE 0x08D
75 /* Definitions for the AMI Series 48 controler */
76 #define AMI_EISA_IOSIZE 0x500 /* Two separate ranges?? */
77 #define AMI_EISA_SLOT_OFFSET 0x800
78 #define AMI_EISA_IOCONF 0x000
79 #define AMI_DMA_CHANNEL 0x03
80 #define AMI_IRQ_CHANNEL 0x1c
81 #define AMI_INT_15 0x14
82 #define AMI_INT_14 0x10
83 #define AMI_INT_12 0x0c
84 #define AMI_INT_11 0x00
85 #define AMI_INT_10 0x08
86 #define AMI_INT_9 0x04
87 #define AMI_BIOS_ADDR 0xe0
89 #define AMI_EISA_IOCONF1 0x001
90 #define AMI_PORTADDR 0x0e
91 #define AMI_PORT_334 0x08
92 #define AMI_PORT_330 0x00
93 #define AMI_PORT_234 0x0c
94 #define AMI_PORT_230 0x04
95 #define AMI_PORT_134 0x0a
96 #define AMI_PORT_130 0x02
97 #define AMI_IRQ_LEVEL 0x01
100 #define AMI_MISC2_OPTIONS 0x49E
101 #define AMI_ENABLE_ISA_DMA 0x08
103 static const char *bt_match(eisa_id_t type);
106 bt_eisa_alloc_resources(device_t dev)
108 struct bt_softc *bt = device_get_softc(dev);
110 struct resource *port;
111 struct resource *irq;
115 * XXX assumes that the iospace ranges are sorted in increasing
119 port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
120 0, ~0, 1, RF_ACTIVE);
124 bt_init_softc(dev, port, 0, 0);
126 if (eisa_get_irq(dev) != -1) {
127 shared = bt->level_trigger_ints ? RF_SHAREABLE : 0;
129 irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
130 0, ~0, 1, shared | RF_ACTIVE);
133 bus_release_resource(dev, SYS_RES_IOPORT,
145 bt_eisa_release_resources(device_t dev)
147 struct bt_softc *bt = device_get_softc(dev);
150 bus_release_resource(dev, SYS_RES_IOPORT, 0, bt->port);
152 bus_release_resource(dev, SYS_RES_IRQ, 0, bt->irq);
157 bt_match(eisa_id_t type)
160 case EISA_DEVICE_ID_BUSLOGIC_74X_B:
161 return ("Buslogic 74xB SCSI host adapter");
163 case EISA_DEVICE_ID_BUSLOGIC_74X_C:
164 return ("Buslogic 74xC SCSI host adapter");
166 case EISA_DEVICE_ID_SDC3222F:
167 return ("Storage Dimensions SDC3222F SCSI host adapter");
169 case EISA_DEVICE_ID_AMI_4801:
170 return ("AMI Series 48 SCSI host adapter");
179 bt_eisa_probe(device_t dev)
183 struct bt_probe_info info;
190 desc = bt_match(eisa_get_id(dev));
193 device_set_desc(dev, desc);
195 iobase = (eisa_get_slot(dev) * EISA_SLOT_SIZE);
196 if (eisa_get_id(dev) == EISA_DEVICE_ID_AMI_4801) {
199 iobase += AMI_EISA_SLOT_OFFSET;
200 iosize = AMI_EISA_IOSIZE;
201 ioconf1 = inb(iobase + AMI_EISA_IOCONF1);
202 /* Determine "ISA" I/O port */
203 switch (ioconf1 & AMI_PORTADDR) {
224 printf("bt: AMI EISA Adapter at "
225 "slot %d has a disabled I/O "
226 "port. Cannot attach.\n",
230 shared = (inb(iobase + AMI_EISA_IOCONF1) & AMI_IRQ_LEVEL) ?
231 EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE;
233 iobase += BT_EISA_SLOT_OFFSET;
234 iosize = BT_EISA_IOSIZE;
236 ioconf = inb(iobase + EISA_IOCONF);
237 /* Determine "ISA" I/O port */
238 switch (ioconf & PORTADDR) {
259 printf("bt: Buslogic EISA Adapter at "
260 "slot %d has a disabled I/O "
261 "port. Cannot attach.\n",
265 shared = (inb(iobase + EISA_IRQ_TYPE) & LEVEL) ?
266 EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE;
268 bt_mark_probed_iop(port);
270 /* Tell parent where our resources are going to be */
271 eisa_add_iospace(dev, iobase, iosize, RESVADDR_NONE);
272 eisa_add_iospace(dev, port, BT_IOSIZE, RESVADDR_NONE);
274 /* And allocate them */
275 bt_eisa_alloc_resources(dev);
277 if (bt_port_probe(dev, &info) != 0) {
278 printf("bt_eisa_probe: Probe failed for "
279 "card at slot 0x%x\n", eisa_get_slot(dev));
282 eisa_add_intr(dev, info.irq, shared);
285 bt_eisa_release_resources(dev);
291 bt_eisa_attach(device_t dev)
293 struct bt_softc *bt = device_get_softc(dev);
295 /* Allocate resources */
296 bt_eisa_alloc_resources(dev);
298 /* Allocate a dmatag for our SCB DMA maps */
299 /* XXX Should be a child of the PCI bus dma tag */
300 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/1, /*boundary*/0,
301 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
302 /*highaddr*/BUS_SPACE_MAXADDR,
303 /*filter*/NULL, /*filterarg*/NULL,
304 /*maxsize*/BUS_SPACE_MAXSIZE_32BIT,
305 /*nsegments*/BUS_SPACE_UNRESTRICTED,
306 /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT,
307 /*flags*/0, &bt->parent_dmat) != 0) {
308 bt_eisa_release_resources(dev);
313 * Now that we know we own the resources we need, do the full
314 * card initialization.
316 if (bt_probe(dev) || bt_fetch_adapter_info(dev) || bt_init(dev)) {
317 bt_eisa_release_resources(dev);
321 /* Attach sub-devices - always succeeds (sets up intr) */
327 static device_method_t bt_eisa_methods[] = {
328 /* Device interface */
329 DEVMETHOD(device_probe, bt_eisa_probe),
330 DEVMETHOD(device_attach, bt_eisa_attach),
335 static driver_t bt_eisa_driver = {
338 sizeof(struct bt_softc),
341 static devclass_t bt_devclass;
343 DRIVER_MODULE(bt, eisa, bt_eisa_driver, bt_devclass, 0, 0);