2 * Copyright (c) 2002 - 2008 Søren Schmidt <sos@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer,
10 * without modification, immediately at the beginning of the file.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/kernel.h>
35 #include <sys/malloc.h>
36 #include <sys/module.h>
39 #include <sys/taskqueue.h>
41 #include <machine/resource.h>
42 #include <machine/bus.h>
44 #include <isa/isavar.h>
45 #include <dev/ata/ata-all.h>
49 struct ata_cbus_controller {
51 struct resource *ctlio;
52 struct resource *bankio;
57 void (*function)(void *);
62 /* local prototypes */
63 static void ata_cbus_intr(void *);
66 ata_cbus_probe(device_t dev)
72 /* dont probe PnP devices */
73 if (isa_get_vendorid(dev))
76 /* allocate the ioport range */
78 if (!(io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
79 ATA_PC98_IOSIZE, RF_ACTIVE)))
82 /* calculate & set the altport range */
83 rid = ATA_PC98_CTLADDR_RID;
84 if (bus_get_resource(dev, SYS_RES_IOPORT, rid, &tmp, &tmp)) {
85 bus_set_resource(dev, SYS_RES_IOPORT, rid,
86 rman_get_start(io)+ATA_PC98_CTLOFFSET, ATA_CTLIOSIZE);
89 /* calculate & set the bank range */
90 rid = ATA_PC98_BANKADDR_RID;
91 if (bus_get_resource(dev, SYS_RES_IOPORT, rid, &tmp, &tmp)) {
92 bus_set_resource(dev, SYS_RES_IOPORT, rid,
93 ATA_PC98_BANK, ATA_PC98_BANKIOSIZE);
96 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io);
101 ata_cbus_attach(device_t dev)
103 struct ata_cbus_controller *ctlr = device_get_softc(dev);
107 /* allocate resources */
108 rid = ATA_IOADDR_RID;
109 if (!(ctlr->io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
110 ATA_PC98_IOSIZE, RF_ACTIVE)))
113 rid = ATA_PC98_CTLADDR_RID;
115 bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
116 rman_get_start(ctlr->io) + ATA_PC98_CTLOFFSET, ~0,
117 ATA_CTLIOSIZE, RF_ACTIVE))) {
118 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, ctlr->io);
122 rid = ATA_PC98_BANKADDR_RID;
123 if (!(ctlr->bankio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
125 ATA_PC98_BANKIOSIZE, RF_ACTIVE))) {
126 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, ctlr->io);
127 bus_release_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, ctlr->ctlio);
132 if (!(ctlr->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
133 RF_ACTIVE | RF_SHAREABLE))) {
134 device_printf(dev, "unable to alloc interrupt\n");
135 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, ctlr->io);
136 bus_release_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, ctlr->ctlio);
137 bus_release_resource(dev, SYS_RES_IOPORT,
138 ATA_PC98_BANKADDR_RID, ctlr->bankio);
142 if ((bus_setup_intr(dev, ctlr->irq, ATA_INTR_FLAGS,
143 NULL, ata_cbus_intr, ctlr, &ctlr->ih))) {
144 device_printf(dev, "unable to setup interrupt\n");
145 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, ctlr->io);
146 bus_release_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, ctlr->ctlio);
147 bus_release_resource(dev, SYS_RES_IOPORT,
148 ATA_PC98_BANKADDR_RID, ctlr->bankio);
149 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IRQ_RID, ctlr->irq);
153 /* Work around the lack of channel serialization in ATA_CAM. */
155 device_printf(dev, "second channel ignored\n");
157 for (unit = 0; unit < ctlr->channels; unit++) {
158 child = device_add_child(dev, "ata", unit);
160 device_printf(dev, "failed to add ata child device\n");
162 device_set_ivars(child, (void *)(intptr_t)unit);
165 bus_generic_attach(dev);
169 static struct resource *
170 ata_cbus_alloc_resource(device_t dev, device_t child, int type, int *rid,
171 u_long start, u_long end, u_long count, u_int flags)
173 struct ata_cbus_controller *ctlr = device_get_softc(dev);
175 if (type == SYS_RES_IOPORT) {
179 case ATA_CTLADDR_RID:
183 if (type == SYS_RES_IRQ)
189 ata_cbus_setup_intr(device_t dev, device_t child, struct resource *irq,
190 int flags, driver_filter_t *filter, driver_intr_t *intr,
191 void *arg, void **cookiep)
193 struct ata_cbus_controller *controller = device_get_softc(dev);
194 int unit = ((struct ata_channel *)device_get_softc(child))->unit;
196 if (filter != NULL) {
197 printf("ata-cbus.c: we cannot use a filter here\n");
200 controller->interrupt[unit].function = intr;
201 controller->interrupt[unit].argument = arg;
202 *cookiep = controller;
208 ata_cbus_print_child(device_t dev, device_t child)
210 struct ata_channel *ch = device_get_softc(child);
213 retval += bus_print_child_header(dev, child);
214 retval += printf(" at bank %d", ch->unit);
215 retval += bus_print_child_footer(dev, child);
220 ata_cbus_intr(void *data)
222 struct ata_cbus_controller *ctlr = data;
223 struct ata_channel *ch;
226 for (unit = 0; unit < ctlr->channels; unit++) {
227 if (!(ch = ctlr->interrupt[unit].argument))
229 ctlr->interrupt[unit].function(ch);
233 static device_method_t ata_cbus_methods[] = {
234 /* device interface */
235 DEVMETHOD(device_probe, ata_cbus_probe),
236 DEVMETHOD(device_attach, ata_cbus_attach),
237 // DEVMETHOD(device_detach, ata_cbus_detach),
240 DEVMETHOD(bus_alloc_resource, ata_cbus_alloc_resource),
241 DEVMETHOD(bus_setup_intr, ata_cbus_setup_intr),
242 DEVMETHOD(bus_print_child, ata_cbus_print_child),
247 static driver_t ata_cbus_driver = {
250 sizeof(struct ata_cbus_controller),
253 static devclass_t ata_cbus_devclass;
255 DRIVER_MODULE(atacbus, isa, ata_cbus_driver, ata_cbus_devclass, NULL, NULL);
258 ata_cbuschannel_probe(device_t dev)
262 sprintf(buffer, "ATA channel %d", (int)(intptr_t)device_get_ivars(dev));
263 device_set_desc_copy(dev, buffer);
265 return ata_probe(dev);
269 ata_cbuschannel_attach(device_t dev)
271 struct ata_cbus_controller *ctlr = device_get_softc(device_get_parent(dev));
272 struct ata_channel *ch = device_get_softc(dev);
279 ch->unit = (intptr_t)device_get_ivars(dev);
280 /* setup the resource vectors */
281 for (i = ATA_DATA; i <= ATA_COMMAND; i ++) {
282 ch->r_io[i].res = ctlr->io;
283 ch->r_io[i].offset = i << 1;
285 ch->r_io[ATA_CONTROL].res = ctlr->ctlio;
286 ch->r_io[ATA_CONTROL].offset = 0;
287 ch->r_io[ATA_IDX_ADDR].res = ctlr->io;
288 ata_default_registers(dev);
290 /* initialize softc for this channel */
291 ch->flags |= ATA_USE_16BIT;
294 return ata_attach(dev);
298 ata_cbuschannel_detach(device_t dev)
300 struct ata_channel *ch = device_get_softc(dev);
306 return ata_detach(dev);
310 ata_cbuschannel_suspend(device_t dev)
312 struct ata_channel *ch = device_get_softc(dev);
317 return ata_suspend(dev);
321 ata_cbuschannel_resume(device_t dev)
323 struct ata_channel *ch = device_get_softc(dev);
328 return ata_resume(dev);
331 static device_method_t ata_cbuschannel_methods[] = {
332 /* device interface */
333 DEVMETHOD(device_probe, ata_cbuschannel_probe),
334 DEVMETHOD(device_attach, ata_cbuschannel_attach),
335 DEVMETHOD(device_detach, ata_cbuschannel_detach),
336 DEVMETHOD(device_suspend, ata_cbuschannel_suspend),
337 DEVMETHOD(device_resume, ata_cbuschannel_resume),
341 static driver_t ata_cbuschannel_driver = {
343 ata_cbuschannel_methods,
344 sizeof(struct ata_channel),
347 DRIVER_MODULE(ata, atacbus, ata_cbuschannel_driver, ata_devclass, NULL, NULL);
348 MODULE_DEPEND(ata, ata, 1, 1, 1);