1/*-
2 * Copyright (c) 2002, 2003 S�ren Schmidt <sos@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
| 1/*-
2 * Copyright (c) 2002, 2003 S�ren Schmidt <sos@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
|
30__FBSDID("$FreeBSD: head/sys/dev/ata/ata-cbus.c 119418 2003-08-24 17:55:58Z obrien $");
| 30__FBSDID("$FreeBSD: head/sys/dev/ata/ata-cbus.c 119450 2003-08-25 09:01:49Z sos $");
|
31
32#include "opt_ata.h"
33#include <sys/param.h>
34#include <sys/systm.h>
35#include <sys/kernel.h>
36#include <sys/ata.h>
37#include <sys/bus.h>
38#include <sys/malloc.h>
39#include <sys/taskqueue.h>
40#include <machine/resource.h>
41#include <machine/bus.h>
42#include <sys/rman.h>
43#include <isa/isavar.h>
44#include <dev/ata/ata-all.h>
45
46/* local vars */
47struct ata_cbus_controller {
48 struct resource *io;
49 struct resource *altio;
50 struct resource *bankio;
51 struct resource *irq;
52 void *ih;
53 void (*setmode)(struct ata_device *, int);
54 void (*locking)(struct ata_channel *, int);
55 int current_bank;
56 struct {
57 void (*function)(void *);
58 void *argument;
59 } interrupt[2];
60};
61
62/* local prototypes */
63static void ata_cbus_intr(void *);
64static void ata_cbus_banking(struct ata_channel *, int);
65static void ata_cbus_setmode(struct ata_device *, int);
66
67static int
68ata_cbus_probe(device_t dev)
69{
70 struct resource *io;
71 int rid;
72 u_long tmp;
73
74 /* dont probe PnP devices */
75 if (isa_get_vendorid(dev))
| 31
32#include "opt_ata.h"
33#include <sys/param.h>
34#include <sys/systm.h>
35#include <sys/kernel.h>
36#include <sys/ata.h>
37#include <sys/bus.h>
38#include <sys/malloc.h>
39#include <sys/taskqueue.h>
40#include <machine/resource.h>
41#include <machine/bus.h>
42#include <sys/rman.h>
43#include <isa/isavar.h>
44#include <dev/ata/ata-all.h>
45
46/* local vars */
47struct ata_cbus_controller {
48 struct resource *io;
49 struct resource *altio;
50 struct resource *bankio;
51 struct resource *irq;
52 void *ih;
53 void (*setmode)(struct ata_device *, int);
54 void (*locking)(struct ata_channel *, int);
55 int current_bank;
56 struct {
57 void (*function)(void *);
58 void *argument;
59 } interrupt[2];
60};
61
62/* local prototypes */
63static void ata_cbus_intr(void *);
64static void ata_cbus_banking(struct ata_channel *, int);
65static void ata_cbus_setmode(struct ata_device *, int);
66
67static int
68ata_cbus_probe(device_t dev)
69{
70 struct resource *io;
71 int rid;
72 u_long tmp;
73
74 /* dont probe PnP devices */
75 if (isa_get_vendorid(dev))
|
76 return (ENXIO);
| 76 return (ENXIO);
|
77
78 /* allocate the ioport range */
79 rid = ATA_IOADDR_RID;
80 io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
81 ATA_PC98_IOSIZE, RF_ACTIVE);
82 if (!io)
| 77
78 /* allocate the ioport range */
79 rid = ATA_IOADDR_RID;
80 io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
81 ATA_PC98_IOSIZE, RF_ACTIVE);
82 if (!io)
|
83 return ENOMEM;
| 83 return ENOMEM;
|
84
85 /* calculate & set the altport range */
86 rid = ATA_PC98_ALTADDR_RID;
87 if (bus_get_resource(dev, SYS_RES_IOPORT, rid, &tmp, &tmp)) {
88 bus_set_resource(dev, SYS_RES_IOPORT, rid,
89 rman_get_start(io)+ATA_PC98_ALTOFFSET, ATA_ALTIOSIZE);
90 }
91
92 /* calculate & set the bank range */
93 rid = ATA_PC98_BANKADDR_RID;
94 if (bus_get_resource(dev, SYS_RES_IOPORT, rid, &tmp, &tmp)) {
95 bus_set_resource(dev, SYS_RES_IOPORT, rid,
96 ATA_PC98_BANK, ATA_PC98_BANKIOSIZE);
97 }
98
99 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io);
100 return 0;
101}
102
103static int
104ata_cbus_attach(device_t dev)
105{
106 struct ata_cbus_controller *ctlr = device_get_softc(dev);
107 int rid;
108
109 /* allocate resources */
110 rid = ATA_IOADDR_RID;
111 ctlr->io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
112 ATA_PC98_IOSIZE, RF_ACTIVE);
113 if (!ctlr->io)
114 return ENOMEM;
115
116 rid = ATA_PC98_ALTADDR_RID;
117 ctlr->altio =
118 bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
119 rman_get_start(ctlr->io) + ATA_PC98_ALTOFFSET, ~0,
120 ATA_ALTIOSIZE, RF_ACTIVE);
121 if (!ctlr->altio) {
122 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, ctlr->io);
123 return ENOMEM;
124 }
125
126 rid = ATA_PC98_BANKADDR_RID;
127 ctlr->bankio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
| 84
85 /* calculate & set the altport range */
86 rid = ATA_PC98_ALTADDR_RID;
87 if (bus_get_resource(dev, SYS_RES_IOPORT, rid, &tmp, &tmp)) {
88 bus_set_resource(dev, SYS_RES_IOPORT, rid,
89 rman_get_start(io)+ATA_PC98_ALTOFFSET, ATA_ALTIOSIZE);
90 }
91
92 /* calculate & set the bank range */
93 rid = ATA_PC98_BANKADDR_RID;
94 if (bus_get_resource(dev, SYS_RES_IOPORT, rid, &tmp, &tmp)) {
95 bus_set_resource(dev, SYS_RES_IOPORT, rid,
96 ATA_PC98_BANK, ATA_PC98_BANKIOSIZE);
97 }
98
99 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io);
100 return 0;
101}
102
103static int
104ata_cbus_attach(device_t dev)
105{
106 struct ata_cbus_controller *ctlr = device_get_softc(dev);
107 int rid;
108
109 /* allocate resources */
110 rid = ATA_IOADDR_RID;
111 ctlr->io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
112 ATA_PC98_IOSIZE, RF_ACTIVE);
113 if (!ctlr->io)
114 return ENOMEM;
115
116 rid = ATA_PC98_ALTADDR_RID;
117 ctlr->altio =
118 bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
119 rman_get_start(ctlr->io) + ATA_PC98_ALTOFFSET, ~0,
120 ATA_ALTIOSIZE, RF_ACTIVE);
121 if (!ctlr->altio) {
122 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, ctlr->io);
123 return ENOMEM;
124 }
125
126 rid = ATA_PC98_BANKADDR_RID;
127 ctlr->bankio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
|
128 ATA_PC98_BANK, ~0,
129 ATA_PC98_BANKIOSIZE, RF_ACTIVE);
| 128 ATA_PC98_BANK, ~0,
129 ATA_PC98_BANKIOSIZE, RF_ACTIVE);
|
130 if (!ctlr->bankio) {
131 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, ctlr->io);
132 bus_release_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID, ctlr->altio);
133 return ENOMEM;
134 }
135
136 rid = ATA_IRQ_RID;
137 if (!(ctlr->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
138 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE))) {
139 device_printf(dev, "unable to alloc interrupt\n");
140 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, ctlr->io);
141 bus_release_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID, ctlr->altio);
142 bus_release_resource(dev, SYS_RES_IOPORT,
143 ATA_PC98_BANKADDR_RID, ctlr->bankio);
144 return ENXIO;
145 }
146
147 if ((bus_setup_intr(dev, ctlr->irq, INTR_TYPE_BIO | INTR_ENTROPY,
148 ata_cbus_intr, ctlr, &ctlr->ih))) {
149 device_printf(dev, "unable to setup interrupt\n");
150 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, ctlr->io);
151 bus_release_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID, ctlr->altio);
152 bus_release_resource(dev, SYS_RES_IOPORT,
153 ATA_PC98_BANKADDR_RID, ctlr->bankio);
154 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IRQ_RID, ctlr->irq);
155 return ENXIO;
156 }
157
158 ctlr->locking = ata_cbus_banking;
159 ctlr->current_bank = -1;
160 ctlr->setmode = ata_cbus_setmode;;
161
162 if (!device_add_child(dev, "ata", 0))
163 return ENOMEM;
164 if (!device_add_child(dev, "ata", 1))
165 return ENOMEM;
166
167 return bus_generic_attach(dev);
168}
169
170static struct resource *
171ata_cbus_alloc_resource(device_t dev, device_t child, int type, int *rid,
172 u_long start, u_long end, u_long count, u_int flags)
173{
174 struct ata_cbus_controller *ctlr = device_get_softc(dev);
175
176 if (type == SYS_RES_IOPORT) {
177 switch (*rid) {
178 case ATA_IOADDR_RID:
179 return ctlr->io;
180 case ATA_ALTADDR_RID:
181 return ctlr->altio;
182 }
183 }
| 130 if (!ctlr->bankio) {
131 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, ctlr->io);
132 bus_release_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID, ctlr->altio);
133 return ENOMEM;
134 }
135
136 rid = ATA_IRQ_RID;
137 if (!(ctlr->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
138 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE))) {
139 device_printf(dev, "unable to alloc interrupt\n");
140 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, ctlr->io);
141 bus_release_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID, ctlr->altio);
142 bus_release_resource(dev, SYS_RES_IOPORT,
143 ATA_PC98_BANKADDR_RID, ctlr->bankio);
144 return ENXIO;
145 }
146
147 if ((bus_setup_intr(dev, ctlr->irq, INTR_TYPE_BIO | INTR_ENTROPY,
148 ata_cbus_intr, ctlr, &ctlr->ih))) {
149 device_printf(dev, "unable to setup interrupt\n");
150 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, ctlr->io);
151 bus_release_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID, ctlr->altio);
152 bus_release_resource(dev, SYS_RES_IOPORT,
153 ATA_PC98_BANKADDR_RID, ctlr->bankio);
154 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IRQ_RID, ctlr->irq);
155 return ENXIO;
156 }
157
158 ctlr->locking = ata_cbus_banking;
159 ctlr->current_bank = -1;
160 ctlr->setmode = ata_cbus_setmode;;
161
162 if (!device_add_child(dev, "ata", 0))
163 return ENOMEM;
164 if (!device_add_child(dev, "ata", 1))
165 return ENOMEM;
166
167 return bus_generic_attach(dev);
168}
169
170static struct resource *
171ata_cbus_alloc_resource(device_t dev, device_t child, int type, int *rid,
172 u_long start, u_long end, u_long count, u_int flags)
173{
174 struct ata_cbus_controller *ctlr = device_get_softc(dev);
175
176 if (type == SYS_RES_IOPORT) {
177 switch (*rid) {
178 case ATA_IOADDR_RID:
179 return ctlr->io;
180 case ATA_ALTADDR_RID:
181 return ctlr->altio;
182 }
183 }
|
184 if (type == SYS_RES_IRQ) {
| 184 if (type == SYS_RES_IRQ)
|
185 return ctlr->irq;
| 185 return ctlr->irq;
|
186 }
| |
187 return 0;
188}
189
190static int
191ata_cbus_setup_intr(device_t dev, device_t child, struct resource *irq,
192 int flags, driver_intr_t *intr, void *arg,
193 void **cookiep)
194{
195 struct ata_cbus_controller *controller = device_get_softc(dev);
196 int unit = ((struct ata_channel *)device_get_softc(child))->unit;
197
198 controller->interrupt[unit].function = intr;
199 controller->interrupt[unit].argument = arg;
200 *cookiep = controller;
201
202 return 0;
203}
204
205static int
206ata_cbus_print_child(device_t dev, device_t child)
207{
208 struct ata_channel *ch = device_get_softc(child);
209 int retval = 0;
210
211 retval += bus_print_child_header(dev, child);
212 retval += printf(" at bank %d", ch->unit);
213 retval += bus_print_child_footer(dev, child);
214 return retval;
215}
216
217static void
218ata_cbus_intr(void *data)
219{
220 struct ata_cbus_controller *ctlr = data;
221
222 if (ctlr->current_bank != -1 &&
223 ctlr->interrupt[ctlr->current_bank].argument)
224 ctlr->interrupt[ctlr->current_bank].
225 function(ctlr->interrupt[ctlr->current_bank].argument);
226}
227
228static void
229ata_cbus_banking(struct ata_channel *ch, int flags)
230{
231 struct ata_cbus_controller *ctlr =
232 device_get_softc(device_get_parent(ch->dev));
233
234 switch (flags) {
235 case ATA_LF_LOCK:
236 if (ctlr->current_bank == ch->unit)
237 break;
238 while (!atomic_cmpset_acq_int(&ctlr->current_bank, -1, ch->unit))
239 tsleep((caddr_t)ch->locking, PRIBIO, "atabnk", 1);
240 ATA_OUTB(ctlr->bankio, 0, ch->unit);
241 break;
242
243 case ATA_LF_UNLOCK:
244 if (ctlr->current_bank == -1 || ctlr->current_bank != ch->unit)
245 break;
246 atomic_store_rel_int(&ctlr->current_bank, -1);
247 break;
248 }
249 return;
250}
251
252static void
253ata_cbus_setmode(struct ata_device *atadev, int mode)
254{
255 atadev->mode = ata_limit_mode(atadev, mode, ATA_PIO_MAX);
256}
257
258static device_method_t ata_cbus_methods[] = {
259 /* device_interface */
260 DEVMETHOD(device_probe, ata_cbus_probe),
261 DEVMETHOD(device_attach, ata_cbus_attach),
262
263 /* bus methods */
264 DEVMETHOD(bus_alloc_resource, ata_cbus_alloc_resource),
265 DEVMETHOD(bus_setup_intr, ata_cbus_setup_intr),
266 DEVMETHOD(bus_print_child, ata_cbus_print_child),
267 { 0, 0 }
268};
269
270static driver_t ata_cbus_driver = {
271 "atacbus",
272 ata_cbus_methods,
273 sizeof(struct ata_cbus_controller),
274};
275
276static devclass_t ata_cbus_devclass;
277
278DRIVER_MODULE(atacbus, isa, ata_cbus_driver, ata_cbus_devclass, 0, 0);
279
280static int
281ata_cbussub_probe(device_t dev)
282{
283 struct ata_cbus_controller *ctlr = device_get_softc(device_get_parent(dev));
284 struct ata_channel *ch = device_get_softc(dev);
285 device_t *children;
286 int count, i;
287
288 /* find channel number on this controller */
289 device_get_children(device_get_parent(dev), &children, &count);
290 for (i = 0; i < count; i++) {
291 if (children[i] == dev)
292 ch->unit = i;
293 }
294 free(children, M_TEMP);
295
296 /* setup the resource vectors */
297 for (i = ATA_DATA; i <= ATA_STATUS; i ++) {
298 ch->r_io[i].res = ctlr->io;
299 ch->r_io[i].offset = i << 1;
300 }
301 ch->r_io[ATA_ALTSTAT].res = ctlr->altio;
302 ch->r_io[ATA_ALTSTAT].offset = 0;
303
304 /* initialize softc for this channel */
305 ch->flags |= ATA_USE_16BIT | ATA_USE_PC98GEOM;
306 ch->locking = ctlr->locking;
307 ch->device[MASTER].setmode = ctlr->setmode;
308 ch->device[SLAVE].setmode = ctlr->setmode;
309 return ata_probe(dev);
310}
311
312static device_method_t ata_cbussub_methods[] = {
313 /* device interface */
314 DEVMETHOD(device_probe, ata_cbussub_probe),
315 DEVMETHOD(device_attach, ata_attach),
316 DEVMETHOD(device_detach, ata_detach),
317 DEVMETHOD(device_resume, ata_resume),
318 { 0, 0 }
319};
320
321static driver_t ata_cbussub_driver = {
322 "ata",
323 ata_cbussub_methods,
324 sizeof(struct ata_channel),
325};
326
327DRIVER_MODULE(ata, atacbus, ata_cbussub_driver, ata_devclass, 0, 0);
| 186 return 0;
187}
188
189static int
190ata_cbus_setup_intr(device_t dev, device_t child, struct resource *irq,
191 int flags, driver_intr_t *intr, void *arg,
192 void **cookiep)
193{
194 struct ata_cbus_controller *controller = device_get_softc(dev);
195 int unit = ((struct ata_channel *)device_get_softc(child))->unit;
196
197 controller->interrupt[unit].function = intr;
198 controller->interrupt[unit].argument = arg;
199 *cookiep = controller;
200
201 return 0;
202}
203
204static int
205ata_cbus_print_child(device_t dev, device_t child)
206{
207 struct ata_channel *ch = device_get_softc(child);
208 int retval = 0;
209
210 retval += bus_print_child_header(dev, child);
211 retval += printf(" at bank %d", ch->unit);
212 retval += bus_print_child_footer(dev, child);
213 return retval;
214}
215
216static void
217ata_cbus_intr(void *data)
218{
219 struct ata_cbus_controller *ctlr = data;
220
221 if (ctlr->current_bank != -1 &&
222 ctlr->interrupt[ctlr->current_bank].argument)
223 ctlr->interrupt[ctlr->current_bank].
224 function(ctlr->interrupt[ctlr->current_bank].argument);
225}
226
227static void
228ata_cbus_banking(struct ata_channel *ch, int flags)
229{
230 struct ata_cbus_controller *ctlr =
231 device_get_softc(device_get_parent(ch->dev));
232
233 switch (flags) {
234 case ATA_LF_LOCK:
235 if (ctlr->current_bank == ch->unit)
236 break;
237 while (!atomic_cmpset_acq_int(&ctlr->current_bank, -1, ch->unit))
238 tsleep((caddr_t)ch->locking, PRIBIO, "atabnk", 1);
239 ATA_OUTB(ctlr->bankio, 0, ch->unit);
240 break;
241
242 case ATA_LF_UNLOCK:
243 if (ctlr->current_bank == -1 || ctlr->current_bank != ch->unit)
244 break;
245 atomic_store_rel_int(&ctlr->current_bank, -1);
246 break;
247 }
248 return;
249}
250
251static void
252ata_cbus_setmode(struct ata_device *atadev, int mode)
253{
254 atadev->mode = ata_limit_mode(atadev, mode, ATA_PIO_MAX);
255}
256
257static device_method_t ata_cbus_methods[] = {
258 /* device_interface */
259 DEVMETHOD(device_probe, ata_cbus_probe),
260 DEVMETHOD(device_attach, ata_cbus_attach),
261
262 /* bus methods */
263 DEVMETHOD(bus_alloc_resource, ata_cbus_alloc_resource),
264 DEVMETHOD(bus_setup_intr, ata_cbus_setup_intr),
265 DEVMETHOD(bus_print_child, ata_cbus_print_child),
266 { 0, 0 }
267};
268
269static driver_t ata_cbus_driver = {
270 "atacbus",
271 ata_cbus_methods,
272 sizeof(struct ata_cbus_controller),
273};
274
275static devclass_t ata_cbus_devclass;
276
277DRIVER_MODULE(atacbus, isa, ata_cbus_driver, ata_cbus_devclass, 0, 0);
278
279static int
280ata_cbussub_probe(device_t dev)
281{
282 struct ata_cbus_controller *ctlr = device_get_softc(device_get_parent(dev));
283 struct ata_channel *ch = device_get_softc(dev);
284 device_t *children;
285 int count, i;
286
287 /* find channel number on this controller */
288 device_get_children(device_get_parent(dev), &children, &count);
289 for (i = 0; i < count; i++) {
290 if (children[i] == dev)
291 ch->unit = i;
292 }
293 free(children, M_TEMP);
294
295 /* setup the resource vectors */
296 for (i = ATA_DATA; i <= ATA_STATUS; i ++) {
297 ch->r_io[i].res = ctlr->io;
298 ch->r_io[i].offset = i << 1;
299 }
300 ch->r_io[ATA_ALTSTAT].res = ctlr->altio;
301 ch->r_io[ATA_ALTSTAT].offset = 0;
302
303 /* initialize softc for this channel */
304 ch->flags |= ATA_USE_16BIT | ATA_USE_PC98GEOM;
305 ch->locking = ctlr->locking;
306 ch->device[MASTER].setmode = ctlr->setmode;
307 ch->device[SLAVE].setmode = ctlr->setmode;
308 return ata_probe(dev);
309}
310
311static device_method_t ata_cbussub_methods[] = {
312 /* device interface */
313 DEVMETHOD(device_probe, ata_cbussub_probe),
314 DEVMETHOD(device_attach, ata_attach),
315 DEVMETHOD(device_detach, ata_detach),
316 DEVMETHOD(device_resume, ata_resume),
317 { 0, 0 }
318};
319
320static driver_t ata_cbussub_driver = {
321 "ata",
322 ata_cbussub_methods,
323 sizeof(struct ata_channel),
324};
325
326DRIVER_MODULE(ata, atacbus, ata_cbussub_driver, ata_devclass, 0, 0);
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