2 * Product specific probe and attach routines for:
6 * Copyright (c) 1999-2003 M. Warner Losh
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions, and the following disclaimer,
14 * without modification, immediately at the beginning of the file.
15 * 2. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
22 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * Derived from bt isa from end, written by:
32 * Copyright (c) 1998 Justin T. Gibbs
33 * All rights reserved.
35 * Redistribution and use in source and binary forms, with or without
36 * modification, are permitted provided that the following conditions
38 * 1. Redistributions of source code must retain the above copyright
39 * notice, this list of conditions, and the following disclaimer,
40 * without modification, immediately at the beginning of the file.
41 * 2. The name of the author may not be used to endorse or promote products
42 * derived from this software without specific prior written permission.
44 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
45 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
46 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
47 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
48 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
49 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
50 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
51 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
52 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
53 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
57 #include <sys/cdefs.h>
58 __FBSDID("$FreeBSD$");
60 #include <sys/param.h>
61 #include <sys/systm.h>
62 #include <sys/kernel.h>
64 #include <sys/mutex.h>
66 #include <machine/bus_pio.h>
67 #include <machine/bus.h>
68 #include <machine/resource.h>
69 #include <sys/module.h>
73 #include <isa/isavar.h>
75 #include <dev/aha/ahareg.h>
77 #include <cam/scsi/scsi_all.h>
79 static struct isa_pnp_id aha_ids[] = {
80 {ADP0100_PNP, "Adaptec 1540/1542 ISA SCSI"}, /* ADP0100 */
81 {AHA1540_PNP, "Adaptec 1540/aha-1640/aha-1535"},/* ADP1540 */
82 {AHA1542_PNP, "Adaptec 1542/aha-1535"}, /* ADP1542 */
83 {AHA1542_PNPCOMPAT, "Adaptec 1542 compatible"}, /* PNP00A0 */
84 {ICU0091_PNP, "Adaptec AHA-1540/1542 SCSI"}, /* ICU0091 */
89 * I/O ports listed in the order enumerated by the card for certain op codes.
91 static bus_addr_t aha_board_ports[] =
102 * Check if the device can be found at the port given
105 aha_isa_probe(device_t dev)
108 * find unit and check we have that many defined
110 struct aha_softc *aha = device_get_softc(dev);
113 struct resource *port_res;
117 config_data_t config_data;
120 /* Check isapnp ids */
121 if (ISA_PNP_PROBE(device_get_parent(dev), dev, aha_ids) == ENXIO)
125 port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &port_rid,
126 0, ~0, AHA_NREGS, RF_ACTIVE);
128 if (port_res == NULL)
131 port_start = rman_get_start(port_res);
132 aha_alloc(aha, device_get_unit(dev), rman_get_bustag(port_res),
133 rman_get_bushandle(port_res));
135 /* See if there is really a card present */
136 if (aha_probe(aha) || aha_fetch_adapter_info(aha)) {
138 bus_release_resource(dev, SYS_RES_IOPORT, port_rid, port_res);
143 * Determine our IRQ, and DMA settings and
144 * export them to the configuration system.
146 error = aha_cmd(aha, AOP_INQUIRE_CONFIG, NULL, /*parmlen*/0,
147 (uint8_t*)&config_data, sizeof(config_data), DEFAULT_CMD_TIMEOUT);
150 device_printf(dev, "Could not determine IRQ or DMA "
151 "settings for adapter at %#jx. Failing probe\n",
152 (uintmax_t)port_start);
154 bus_release_resource(dev, SYS_RES_IOPORT, port_rid,
159 bus_release_resource(dev, SYS_RES_IOPORT, port_rid, port_res);
161 switch (config_data.dma_chan) {
172 device_printf(dev, "Invalid DMA setting for adapter at %#jx.",
173 (uintmax_t)port_start);
176 error = bus_set_resource(dev, SYS_RES_DRQ, 0, drq, 1);
180 irq = ffs(config_data.irq) + 8;
181 error = bus_set_resource(dev, SYS_RES_IRQ, 0, irq, 1);
186 * Attach all the sub-devices we can find
189 aha_isa_attach(device_t dev)
191 struct aha_softc *aha = device_get_softc(dev);
192 bus_dma_filter_t *filter;
197 int aha_free_needed = 0;
201 aha->port = bus_alloc_resource(dev, SYS_RES_IOPORT, &aha->portrid,
202 0, ~0, AHA_NREGS, RF_ACTIVE);
204 device_printf(dev, "Unable to allocate I/O ports\n");
209 aha->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &aha->irqrid,
212 device_printf(dev, "Unable to allocate excluse use of irq\n");
217 aha->drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &aha->drqrid,
220 device_printf(dev, "Unable to allocate drq\n");
224 #if 0 /* is the drq ever unset? */
225 if (dev->id_drq != -1)
226 isa_dmacascade(dev->id_drq);
228 isa_dmacascade(rman_get_start(aha->drq));
230 /* Allocate our parent dmatag */
233 lowaddr = BUS_SPACE_MAXADDR_24BIT;
235 if (bus_dma_tag_create( /* parent */ NULL,
238 /* lowaddr */ lowaddr,
239 /* highaddr */ BUS_SPACE_MAXADDR,
241 /* filterarg */ filter_arg,
242 /* maxsize */ BUS_SPACE_MAXSIZE_24BIT,
244 /* maxsegsz */ BUS_SPACE_MAXSIZE_24BIT,
246 /* lockfunc */ busdma_lock_mutex,
247 /* lockarg */ &Giant,
248 &aha->parent_dmat) != 0) {
249 device_printf(dev, "dma tag create failed.\n");
254 device_printf(dev, "init failed\n");
258 * The 1542A and B look the same. So we guess based on
259 * the firmware revision. It appears that only rev 0 is on
262 if (aha->boardid <= BOARD_1542 && aha->fw_major == 0) {
263 device_printf(dev, "154xA may not work\n");
264 aha->ccb_sg_opcode = INITIATOR_SG_CCB;
265 aha->ccb_ccb_opcode = INITIATOR_CCB;
269 error = aha_attach(aha);
271 device_printf(dev, "attach failed\n");
275 error = bus_setup_intr(dev, aha->irq, INTR_TYPE_CAM|INTR_ENTROPY,
278 device_printf(dev, "Unable to register interrupt handler\n");
284 bus_free_resource(dev, SYS_RES_IOPORT, aha->port);
285 bus_free_resource(dev, SYS_RES_IRQ, aha->irq);
286 bus_free_resource(dev, SYS_RES_DRQ, aha->drq);
293 aha_isa_detach(device_t dev)
295 struct aha_softc *aha = (struct aha_softc *)device_get_softc(dev);
298 error = bus_teardown_intr(dev, aha->irq, aha->ih);
300 device_printf(dev, "failed to unregister interrupt handler\n");
302 bus_free_resource(dev, SYS_RES_IOPORT, aha->port);
303 bus_free_resource(dev, SYS_RES_IRQ, aha->irq);
304 bus_free_resource(dev, SYS_RES_DRQ, aha->drq);
306 error = aha_detach(aha);
308 device_printf(dev, "detach failed\n");
317 aha_isa_identify(driver_t *driver, device_t parent)
321 struct aha_softc aha;
323 struct resource *res;
326 /* Attempt to find an adapter */
327 for (i = 0; i < sizeof(aha_board_ports) / sizeof(aha_board_ports[0]);
329 bzero(&aha, sizeof(aha));
330 ioport = aha_board_ports[i];
332 * XXX Check to see if we have a hard-wired aha device at
333 * XXX this port, if so, skip. This should also cover the
334 * XXX case where we are run multiple times due to, eg,
335 * XXX kldload/kldunload.
338 res = bus_alloc_resource(parent, SYS_RES_IOPORT, &rid,
339 ioport, ioport, AHA_NREGS, RF_ACTIVE);
342 aha_alloc(&aha, -1, rman_get_bustag(res),
343 rman_get_bushandle(res));
344 /* See if there is really a card present */
345 if (aha_probe(&aha) || aha_fetch_adapter_info(&aha))
347 child = BUS_ADD_CHILD(parent, ISA_ORDER_SPECULATIVE, "aha", -1);
348 bus_set_resource(child, SYS_RES_IOPORT, 0, ioport, AHA_NREGS);
350 * Could query the board and set IRQ/DRQ, but probe does
354 bus_release_resource(parent, SYS_RES_IOPORT, rid, res);
359 static device_method_t aha_isa_methods[] = {
360 /* Device interface */
361 DEVMETHOD(device_probe, aha_isa_probe),
362 DEVMETHOD(device_attach, aha_isa_attach),
363 DEVMETHOD(device_detach, aha_isa_detach),
364 DEVMETHOD(device_identify, aha_isa_identify),
369 static driver_t aha_isa_driver = {
372 sizeof(struct aha_softc),
375 static devclass_t aha_devclass;
377 DRIVER_MODULE(aha, isa, aha_isa_driver, aha_devclass, 0, 0);