2 * Product specific probe and attach routines for:
5 * Derived from code written by:
7 * Copyright (c) 1998 Justin T. Gibbs
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions, and the following disclaimer,
15 * without modification, immediately at the beginning of the file.
16 * 2. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * $FreeBSD: src/sys/dev/aha/aha_isa.c,v 1.17.2.1 2000/08/02 22:24:40 peter Exp $
32 * $DragonFly: src/sys/dev/disk/aha/aha_isa.c,v 1.10 2006/12/22 23:26:15 swildner Exp $
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/kernel.h>
38 #include <sys/module.h>
42 #include <bus/isa/isavar.h>
46 #include <bus/cam/scsi/scsi_all.h>
48 static struct isa_pnp_id aha_ids[] = {
49 {ADP0100_PNP, "Adaptec 1540/1542 ISA SCSI"}, /* ADP0100 */
50 {AHA1540_PNP, "Adaptec 1540/aha-1640/aha-1535"},/* ADP1542 */
51 {AHA1542_PNP, "Adaptec 1542/aha-1535"}, /* ADP1542 */
52 {AHA1542_PNPCOMPAT, "Adaptec 1542 compatible"}, /* PNP00A0 */
53 {ICU0091_PNP, "Adaptec AHA-1540/1542 SCSI"}, /* ICU0091 */
58 * Check if the device can be found at the port given
59 * and if so, set it up ready for further work
60 * as an argument, takes the isa_device structure from
64 aha_isa_probe(device_t dev)
67 * find unit and check we have that many defined
69 struct aha_softc **sc = device_get_softc(dev);
70 struct aha_softc *aha;
74 u_long port_start, port_count;
75 struct resource *port_res;
82 /* Check isapnp ids */
83 if (ISA_PNP_PROBE(device_get_parent(dev), dev, aha_ids) == ENXIO)
86 error = bus_get_resource(dev, SYS_RES_IOPORT, 0,
87 &port_start, &port_count);
92 * Bound our board search if the user has
93 * specified an exact port.
95 aha_find_probe_range(port_start, &port_index, &max_port_index);
100 /* Attempt to find an adapter */
101 for (;port_index <= max_port_index; port_index++) {
102 config_data_t config_data;
106 ioport = aha_iop_from_bio(port_index);
108 error = bus_set_resource(dev, SYS_RES_IOPORT, 0,
114 port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &port_rid,
115 0, ~0, AHA_NREGS, RF_ACTIVE);
119 /* Allocate a softc for use during probing */
120 aha = aha_alloc(dev, rman_get_bustag(port_res),
121 rman_get_bushandle(port_res));
124 bus_release_resource(dev, SYS_RES_IOPORT, port_rid,
129 /* See if there is really a card present */
130 if (aha_probe(aha) || aha_fetch_adapter_info(aha)) {
132 bus_release_resource(dev, SYS_RES_IOPORT, port_rid,
138 * Determine our IRQ, and DMA settings and
139 * export them to the configuration system.
141 error = aha_cmd(aha, AOP_INQUIRE_CONFIG, NULL, /*parmlen*/0,
142 (u_int8_t*)&config_data, sizeof(config_data),
143 DEFAULT_CMD_TIMEOUT);
146 kprintf("aha_isa_probe: Could not determine IRQ or DMA "
147 "settings for adapter at 0x%x. Failing probe\n",
150 bus_release_resource(dev, SYS_RES_IOPORT, port_rid,
155 bus_release_resource(dev, SYS_RES_IOPORT, port_rid, port_res);
157 switch (config_data.dma_chan) {
168 kprintf("aha_isa_probe: Invalid DMA setting "
169 "detected for adapter at 0x%x. "
170 "Failing probe\n", ioport);
173 error = bus_set_resource(dev, SYS_RES_DRQ, 0, drq, 1);
177 irq = ffs(config_data.irq) + 8;
178 error = bus_set_resource(dev, SYS_RES_IRQ, 0, irq, 1);
192 * Attach all the sub-devices we can find
195 aha_isa_attach(device_t dev)
197 struct aha_softc **sc = device_get_softc(dev);
198 struct aha_softc *aha;
199 bus_dma_filter_t *filter;
208 aha->port = bus_alloc_resource(dev, SYS_RES_IOPORT, &aha->portrid,
209 0, ~0, AHA_NREGS, RF_ACTIVE);
211 device_printf(dev, "Unable to allocate I/O ports\n");
216 aha->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &aha->irqrid, 0, ~0, 1,
219 device_printf(dev, "Unable to allocate excluse use of irq\n");
220 bus_release_resource(dev, SYS_RES_IOPORT, aha->portrid, aha->port);
225 aha->drq = bus_alloc_resource(dev, SYS_RES_DRQ, &aha->drqrid, 0, ~0, 1,
228 device_printf(dev, "Unable to allocate drq\n");
229 bus_release_resource(dev, SYS_RES_IOPORT, aha->portrid, aha->port);
230 bus_release_resource(dev, SYS_RES_IRQ, aha->irqrid, aha->irq);
234 #if 0 /* is the drq ever unset? */
235 if (dev->id_drq != -1)
236 isa_dmacascade(dev->id_drq);
238 isa_dmacascade(rman_get_start(aha->drq));
240 /* Allocate our parent dmatag */
243 lowaddr = BUS_SPACE_MAXADDR_24BIT;
245 if (bus_dma_tag_create(/*parent*/NULL, /*alignemnt*/1, /*boundary*/0,
246 lowaddr, /*highaddr*/BUS_SPACE_MAXADDR,
248 /*maxsize*/BUS_SPACE_MAXSIZE_24BIT,
249 /*nsegments*/BUS_SPACE_UNRESTRICTED,
250 /*maxsegsz*/BUS_SPACE_MAXSIZE_24BIT,
251 /*flags*/0, &aha->parent_dmat) != 0) {
252 bus_release_resource(dev, SYS_RES_IOPORT, aha->portrid, aha->port);
253 bus_release_resource(dev, SYS_RES_IRQ, aha->irqrid, aha->irq);
254 bus_release_resource(dev, SYS_RES_DRQ, aha->drqrid, aha->drq);
260 device_printf(dev, "init failed\n");
261 bus_release_resource(dev, SYS_RES_IOPORT, aha->portrid, aha->port);
262 bus_release_resource(dev, SYS_RES_IRQ, aha->irqrid, aha->irq);
263 bus_release_resource(dev, SYS_RES_DRQ, aha->drqrid, aha->drq);
268 error = aha_attach(aha);
270 device_printf(dev, "attach failed\n");
271 bus_release_resource(dev, SYS_RES_IOPORT, aha->portrid, aha->port);
272 bus_release_resource(dev, SYS_RES_IRQ, aha->irqrid, aha->irq);
273 bus_release_resource(dev, SYS_RES_DRQ, aha->drqrid, aha->drq);
278 error = bus_setup_intr(dev, aha->irq, 0, aha_intr, aha, &ih, NULL);
280 device_printf(dev, "Unable to register interrupt handler\n");
281 bus_release_resource(dev, SYS_RES_IOPORT, aha->portrid, aha->port);
282 bus_release_resource(dev, SYS_RES_IRQ, aha->irqrid, aha->irq);
283 bus_release_resource(dev, SYS_RES_DRQ, aha->drqrid, aha->drq);
292 aha_isa_detach(device_t dev)
294 struct aha_softc *aha = *(struct aha_softc **) device_get_softc(dev);
297 error = bus_teardown_intr(dev, aha->irq, aha->ih);
299 device_printf(dev, "failed to unregister interrupt handler\n");
302 bus_release_resource(dev, SYS_RES_IOPORT, aha->portrid, aha->port);
303 bus_release_resource(dev, SYS_RES_IRQ, aha->irqrid, aha->irq);
304 bus_release_resource(dev, SYS_RES_DRQ, aha->drqrid, aha->drq);
306 error = aha_detach(aha);
308 device_printf(dev, "detach failed\n");
316 static device_method_t aha_isa_methods[] = {
317 /* Device interface */
318 DEVMETHOD(device_probe, aha_isa_probe),
319 DEVMETHOD(device_attach, aha_isa_attach),
320 DEVMETHOD(device_detach, aha_isa_detach),
325 static driver_t aha_isa_driver = {
328 sizeof(struct aha_softc*),
331 static devclass_t aha_devclass;
333 DRIVER_MODULE(aha, isa, aha_isa_driver, aha_devclass, 0, 0);