Deleted Added
full compact
fwohci_pci.c (111075) fwohci_pci.c (111076)
1/*
2 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
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 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the acknowledgement as bellow:
15 *
16 * This product includes software developed by K. Kobayashi and H. SHimokawa
17 *
18 * 4. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
25 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
27 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
29 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
30 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 *
1/*
2 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
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 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the acknowledgement as bellow:
15 *
16 * This product includes software developed by K. Kobayashi and H. SHimokawa
17 *
18 * 4. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
25 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
27 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
29 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
30 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 *
33 * $FreeBSD: head/sys/dev/firewire/fwohci_pci.c 111075 2003-02-18 09:46:52Z simokawa $
33 * $FreeBSD: head/sys/dev/firewire/fwohci_pci.c 111076 2003-02-18 10:01:44Z simokawa $
34 */
35
36#include <sys/param.h>
37#include <sys/systm.h>
38#include <sys/kernel.h>
39#include <sys/module.h>
40#include <sys/bus.h>
41#include <sys/queue.h>
42#include <machine/bus.h>
43#include <sys/rman.h>
44#include <sys/malloc.h>
45#include <machine/resource.h>
46
47#include <pci/pcivar.h>
48#include <pci/pcireg.h>
49
50#include <dev/firewire/firewire.h>
51#include <dev/firewire/firewirereg.h>
52
53#include <dev/firewire/fwohcireg.h>
54#include <dev/firewire/fwohcivar.h>
55
56static int fwohci_pci_attach(device_t self);
57static int fwohci_pci_detach(device_t self);
58
59/*
60 * The probe routine.
61 */
62static int
63fwohci_pci_probe( device_t dev )
64{
65#if 1
66 u_int32_t id;
67
34 */
35
36#include <sys/param.h>
37#include <sys/systm.h>
38#include <sys/kernel.h>
39#include <sys/module.h>
40#include <sys/bus.h>
41#include <sys/queue.h>
42#include <machine/bus.h>
43#include <sys/rman.h>
44#include <sys/malloc.h>
45#include <machine/resource.h>
46
47#include <pci/pcivar.h>
48#include <pci/pcireg.h>
49
50#include <dev/firewire/firewire.h>
51#include <dev/firewire/firewirereg.h>
52
53#include <dev/firewire/fwohcireg.h>
54#include <dev/firewire/fwohcivar.h>
55
56static int fwohci_pci_attach(device_t self);
57static int fwohci_pci_detach(device_t self);
58
59/*
60 * The probe routine.
61 */
62static int
63fwohci_pci_probe( device_t dev )
64{
65#if 1
66 u_int32_t id;
67
68 id = (pci_get_vendor(dev) << 16) | pci_get_device(dev);
68 id = pci_get_devid(dev);
69 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD861)) {
70 device_set_desc(dev, "NEC uPD72861");
71 return 0;
72 }
73 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD871)) {
74 device_set_desc(dev, "NEC uPD72871/2");
75 return 0;
76 }
77 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB22)) {
78 device_set_desc(dev, "Texas Instruments TSB12LV22");
79 return 0;
80 }
81 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB23)) {
82 device_set_desc(dev, "Texas Instruments TSB12LV23");
83 return 0;
84 }
85 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB26)) {
86 device_set_desc(dev, "Texas Instruments TSB12LV26");
87 return 0;
88 }
89 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43)) {
90 device_set_desc(dev, "Texas Instruments TSB43AA22");
91 return 0;
92 }
93 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43A)) {
94 device_set_desc(dev, "Texas Instruments TSB43AB22/A");
95 return 0;
96 }
97 if (id == (FW_VENDORID_TI | FW_DEVICE_TIPCI4450)) {
98 device_set_desc(dev, "Texas Instruments PCI4450");
99 return 0;
100 }
101 if (id == (FW_VENDORID_TI | FW_DEVICE_TIPCI4410A)) {
102 device_set_desc(dev, "Texas Instruments PCI4410A");
103 return 0;
104 }
105 if (id == (FW_VENDORID_SONY | FW_DEVICE_CX3022)) {
106 device_set_desc(dev, "SONY CX3022");
107 return 0;
108 }
109 if (id == (FW_VENDORID_VIA | FW_DEVICE_VT6306)) {
110 device_set_desc(dev, "VIA VT6306");
111 return 0;
112 }
113 if (id == (FW_VENDORID_RICOH | FW_DEVICE_R5C552)) {
114 device_set_desc(dev, "Ricoh R5C552");
115 return 0;
116 }
117 if (id == (FW_VENDORID_APPLE | FW_DEVICE_PANGEA)) {
118 device_set_desc(dev, "Apple Pangea");
119 return 0;
120 }
121 if (id == (FW_VENDORID_APPLE | FW_DEVICE_UNINORTH)) {
122 device_set_desc(dev, "Apple UniNorth");
123 return 0;
124 }
125 if (id == (FW_VENDORID_LUCENT | FW_DEVICE_FW322)) {
126 device_set_desc(dev, "Lucent FW322/323");
127 return 0;
128 }
129#endif
130 if (pci_get_class(dev) == PCIC_SERIALBUS
131 && pci_get_subclass(dev) == PCIS_SERIALBUS_FW
132 && pci_get_progif(dev) == PCI_INTERFACE_OHCI) {
133 device_printf(dev, "vendor=%x, dev=%x\n", pci_get_vendor(dev),
134 pci_get_device(dev));
135 device_set_desc(dev, "1394 Open Host Controller Interface");
136 return 0;
137 }
138
139 return ENXIO;
140}
141
142#if __FreeBSD_version < 500000
143static void
144fwohci_dummy_intr(void *arg)
145{
146 /* XXX do nothing */
147}
148#endif
149
150static int
151fwohci_pci_init(device_t self)
152{
153 int latency, cache_line;
154 u_int16_t cmd;
155
156 cmd = pci_read_config(self, PCIR_COMMAND, 2);
157 cmd |= PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN | PCIM_CMD_MWRICEN;
158 pci_write_config(self, PCIR_COMMAND, cmd, 2);
159
160 latency = pci_read_config(self, PCIR_LATTIMER, 1);
161#define DEF_LATENCY 250 /* Derived from Max Bulk Transfer size 512 Bytes*/
162 if( latency < DEF_LATENCY ) {
163 latency = DEF_LATENCY;
164 device_printf(self, "PCI bus latency was changing to");
165 pci_write_config(self, PCIR_LATTIMER,latency, 1);
166 } else
167 {
168 device_printf(self, "PCI bus latency is");
169 }
170 printf(" %d.\n", (int) latency);
171 cache_line = pci_read_config(self, PCIR_CACHELNSZ, 1);
172#if 0
173#define DEF_CACHE_LINE 0xc
174 cache_line = DEF_CACHE_LINE;
175 pci_write_config(self, PCIR_CACHELNSZ, cache_line, 1);
176#endif
177 if (bootverbose)
178 device_printf(self, "cache size %d.\n", (int) cache_line);
179
180 return 0;
181}
182
183static int
184fwohci_pci_attach(device_t self)
185{
186 fwohci_softc_t *sc = device_get_softc(self);
187 int err;
188 int rid, s;
189#if __FreeBSD_version < 500000
190 int intr;
191 /* For the moment, put in a message stating what is wrong */
192 intr = pci_read_config(self, PCIR_INTLINE, 1);
193 if (intr == 0 || intr == 255) {
194 device_printf(self, "Invalid irq %d\n", intr);
195#ifdef __i386__
196 device_printf(self, "Please switch PNP-OS to 'No' in BIOS\n");
197#endif
198#if 0
199 return ENXIO;
200#endif
201 }
202#endif
203
204 fwohci_pci_init(self);
205
206 rid = PCI_CBMEM;
207 sc->bsr = bus_alloc_resource(self, SYS_RES_MEMORY, &rid,
208 0, ~0, 1, RF_ACTIVE);
209 if (!sc->bsr) {
210 device_printf(self, "Could not map memory\n");
211 return ENXIO;
212 }
213
214 sc->bst = rman_get_bustag(sc->bsr);
215 sc->bsh = rman_get_bushandle(sc->bsr);
216
217 rid = 0;
218 sc->irq_res = bus_alloc_resource(self, SYS_RES_IRQ, &rid, 0, ~0, 1,
219 RF_SHAREABLE | RF_ACTIVE);
220 if (sc->irq_res == NULL) {
221 device_printf(self, "Could not allocate irq\n");
222 fwohci_pci_detach(self);
223 return ENXIO;
224 }
225
226 sc->fc.bdev = device_add_child(self, "firewire", -1);
227 if (!sc->fc.bdev) {
228 device_printf(self, "Could not add firewire device\n");
229 fwohci_pci_detach(self);
230 return ENOMEM;
231 }
232 device_set_ivars(sc->fc.bdev, sc);
233
234 err = bus_setup_intr(self, sc->irq_res, INTR_TYPE_NET,
235 (driver_intr_t *) fwohci_intr, sc, &sc->ih);
236#if __FreeBSD_version < 500000
237 /* XXX splcam() should mask this irq for sbp.c*/
238 err = bus_setup_intr(self, sc->irq_res, INTR_TYPE_CAM,
239 (driver_intr_t *) fwohci_dummy_intr, sc, &sc->ih_cam);
240#endif
241 if (err) {
242 device_printf(self, "Could not setup irq, %d\n", err);
243 fwohci_pci_detach(self);
244 return ENXIO;
245 }
246
247 err = fwohci_init(sc, self);
248
249 if (!err)
250 err = device_probe_and_attach(sc->fc.bdev);
251
252 if (err) {
253 device_printf(self, "FireWire init failed\n");
254 fwohci_pci_detach(self);
255 return EIO;
256 }
257
258 /* XXX
259 * Clear the bus reset event flag to start transactions even when
260 * interrupt is disabled during the boot process.
261 */
262#if 0
263 DELAY(100);
264#endif
265 s = splfw();
266 fwohci_intr((void *)sc);
267 splx(s);
268
269 return 0;
270}
271
272static int
273fwohci_pci_detach(device_t self)
274{
275 fwohci_softc_t *sc = device_get_softc(self);
276 int s;
277
278
279 s = splfw();
280
281 fwohci_stop(sc, self);
282 bus_generic_detach(self);
283
284 /* disable interrupts that might have been switched on */
285 if (sc->bst && sc->bsh)
286 bus_space_write_4(sc->bst, sc->bsh,
287 FWOHCI_INTMASKCLR, OHCI_INT_EN);
288
289 if (sc->irq_res) {
290 int err = bus_teardown_intr(self, sc->irq_res, sc->ih);
291 if (err)
292 /* XXX or should we panic? */
293 device_printf(self, "Could not tear down irq, %d\n",
294 err);
295#if __FreeBSD_version < 500000
296 err = bus_teardown_intr(self, sc->irq_res, sc->ih_cam);
297#endif
298 sc->ih = NULL;
299 }
300
301 if (sc->fc.bdev) {
302 device_delete_child(self, sc->fc.bdev);
303 sc->fc.bdev = NULL;
304 }
305
306 if (sc->irq_res) {
307 bus_release_resource(self, SYS_RES_IRQ, 0, sc->irq_res);
308 sc->irq_res = NULL;
309 }
310
311 if (sc->bsr) {
312 bus_release_resource(self, SYS_RES_MEMORY,PCI_CBMEM,sc->bsr);
313 sc->bsr = NULL;
314 sc->bst = 0;
315 sc->bsh = 0;
316 }
317
318 fwohci_detach(sc, self);
319 splx(s);
320
321 return 0;
322}
323
324static int
325fwohci_pci_suspend(device_t dev)
326{
327 int err;
328
329 device_printf(dev, "fwohci_pci_suspend\n");
330 err = bus_generic_suspend(dev);
331 if (err)
332 return err;
333 /* fwohci_stop(dev); */
334 return 0;
335}
336
337static int
338fwohci_pci_resume(device_t dev)
339{
340 fwohci_softc_t *sc = device_get_softc(dev);
341
342 device_printf(dev, "fwohci_pci_resume: power_state = 0x%08x\n",
343 pci_get_powerstate(dev));
344 fwohci_pci_init(dev);
345 fwohci_resume(sc, dev);
346 return 0;
347}
348
349static int
350fwohci_pci_shutdown(device_t dev)
351{
352 fwohci_softc_t *sc = device_get_softc(dev);
353
354 bus_generic_shutdown(dev);
355 fwohci_stop(sc, dev);
356 return 0;
357}
358
359static device_method_t fwohci_methods[] = {
360 /* Device interface */
361 DEVMETHOD(device_probe, fwohci_pci_probe),
362 DEVMETHOD(device_attach, fwohci_pci_attach),
363 DEVMETHOD(device_detach, fwohci_pci_detach),
364 DEVMETHOD(device_suspend, fwohci_pci_suspend),
365 DEVMETHOD(device_resume, fwohci_pci_resume),
366 DEVMETHOD(device_shutdown, fwohci_pci_shutdown),
367
368 /* Bus interface */
369 DEVMETHOD(bus_print_child, bus_generic_print_child),
370
371 { 0, 0 }
372};
373
374static driver_t fwohci_driver = {
375 "fwohci",
376 fwohci_methods,
377 sizeof(fwohci_softc_t),
378};
379
380static devclass_t fwohci_devclass;
381
382DRIVER_MODULE(fwohci, pci, fwohci_driver, fwohci_devclass, 0, 0);
383DRIVER_MODULE(fwohci, cardbus, fwohci_driver, fwohci_devclass, 0, 0);
69 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD861)) {
70 device_set_desc(dev, "NEC uPD72861");
71 return 0;
72 }
73 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD871)) {
74 device_set_desc(dev, "NEC uPD72871/2");
75 return 0;
76 }
77 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB22)) {
78 device_set_desc(dev, "Texas Instruments TSB12LV22");
79 return 0;
80 }
81 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB23)) {
82 device_set_desc(dev, "Texas Instruments TSB12LV23");
83 return 0;
84 }
85 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB26)) {
86 device_set_desc(dev, "Texas Instruments TSB12LV26");
87 return 0;
88 }
89 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43)) {
90 device_set_desc(dev, "Texas Instruments TSB43AA22");
91 return 0;
92 }
93 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43A)) {
94 device_set_desc(dev, "Texas Instruments TSB43AB22/A");
95 return 0;
96 }
97 if (id == (FW_VENDORID_TI | FW_DEVICE_TIPCI4450)) {
98 device_set_desc(dev, "Texas Instruments PCI4450");
99 return 0;
100 }
101 if (id == (FW_VENDORID_TI | FW_DEVICE_TIPCI4410A)) {
102 device_set_desc(dev, "Texas Instruments PCI4410A");
103 return 0;
104 }
105 if (id == (FW_VENDORID_SONY | FW_DEVICE_CX3022)) {
106 device_set_desc(dev, "SONY CX3022");
107 return 0;
108 }
109 if (id == (FW_VENDORID_VIA | FW_DEVICE_VT6306)) {
110 device_set_desc(dev, "VIA VT6306");
111 return 0;
112 }
113 if (id == (FW_VENDORID_RICOH | FW_DEVICE_R5C552)) {
114 device_set_desc(dev, "Ricoh R5C552");
115 return 0;
116 }
117 if (id == (FW_VENDORID_APPLE | FW_DEVICE_PANGEA)) {
118 device_set_desc(dev, "Apple Pangea");
119 return 0;
120 }
121 if (id == (FW_VENDORID_APPLE | FW_DEVICE_UNINORTH)) {
122 device_set_desc(dev, "Apple UniNorth");
123 return 0;
124 }
125 if (id == (FW_VENDORID_LUCENT | FW_DEVICE_FW322)) {
126 device_set_desc(dev, "Lucent FW322/323");
127 return 0;
128 }
129#endif
130 if (pci_get_class(dev) == PCIC_SERIALBUS
131 && pci_get_subclass(dev) == PCIS_SERIALBUS_FW
132 && pci_get_progif(dev) == PCI_INTERFACE_OHCI) {
133 device_printf(dev, "vendor=%x, dev=%x\n", pci_get_vendor(dev),
134 pci_get_device(dev));
135 device_set_desc(dev, "1394 Open Host Controller Interface");
136 return 0;
137 }
138
139 return ENXIO;
140}
141
142#if __FreeBSD_version < 500000
143static void
144fwohci_dummy_intr(void *arg)
145{
146 /* XXX do nothing */
147}
148#endif
149
150static int
151fwohci_pci_init(device_t self)
152{
153 int latency, cache_line;
154 u_int16_t cmd;
155
156 cmd = pci_read_config(self, PCIR_COMMAND, 2);
157 cmd |= PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN | PCIM_CMD_MWRICEN;
158 pci_write_config(self, PCIR_COMMAND, cmd, 2);
159
160 latency = pci_read_config(self, PCIR_LATTIMER, 1);
161#define DEF_LATENCY 250 /* Derived from Max Bulk Transfer size 512 Bytes*/
162 if( latency < DEF_LATENCY ) {
163 latency = DEF_LATENCY;
164 device_printf(self, "PCI bus latency was changing to");
165 pci_write_config(self, PCIR_LATTIMER,latency, 1);
166 } else
167 {
168 device_printf(self, "PCI bus latency is");
169 }
170 printf(" %d.\n", (int) latency);
171 cache_line = pci_read_config(self, PCIR_CACHELNSZ, 1);
172#if 0
173#define DEF_CACHE_LINE 0xc
174 cache_line = DEF_CACHE_LINE;
175 pci_write_config(self, PCIR_CACHELNSZ, cache_line, 1);
176#endif
177 if (bootverbose)
178 device_printf(self, "cache size %d.\n", (int) cache_line);
179
180 return 0;
181}
182
183static int
184fwohci_pci_attach(device_t self)
185{
186 fwohci_softc_t *sc = device_get_softc(self);
187 int err;
188 int rid, s;
189#if __FreeBSD_version < 500000
190 int intr;
191 /* For the moment, put in a message stating what is wrong */
192 intr = pci_read_config(self, PCIR_INTLINE, 1);
193 if (intr == 0 || intr == 255) {
194 device_printf(self, "Invalid irq %d\n", intr);
195#ifdef __i386__
196 device_printf(self, "Please switch PNP-OS to 'No' in BIOS\n");
197#endif
198#if 0
199 return ENXIO;
200#endif
201 }
202#endif
203
204 fwohci_pci_init(self);
205
206 rid = PCI_CBMEM;
207 sc->bsr = bus_alloc_resource(self, SYS_RES_MEMORY, &rid,
208 0, ~0, 1, RF_ACTIVE);
209 if (!sc->bsr) {
210 device_printf(self, "Could not map memory\n");
211 return ENXIO;
212 }
213
214 sc->bst = rman_get_bustag(sc->bsr);
215 sc->bsh = rman_get_bushandle(sc->bsr);
216
217 rid = 0;
218 sc->irq_res = bus_alloc_resource(self, SYS_RES_IRQ, &rid, 0, ~0, 1,
219 RF_SHAREABLE | RF_ACTIVE);
220 if (sc->irq_res == NULL) {
221 device_printf(self, "Could not allocate irq\n");
222 fwohci_pci_detach(self);
223 return ENXIO;
224 }
225
226 sc->fc.bdev = device_add_child(self, "firewire", -1);
227 if (!sc->fc.bdev) {
228 device_printf(self, "Could not add firewire device\n");
229 fwohci_pci_detach(self);
230 return ENOMEM;
231 }
232 device_set_ivars(sc->fc.bdev, sc);
233
234 err = bus_setup_intr(self, sc->irq_res, INTR_TYPE_NET,
235 (driver_intr_t *) fwohci_intr, sc, &sc->ih);
236#if __FreeBSD_version < 500000
237 /* XXX splcam() should mask this irq for sbp.c*/
238 err = bus_setup_intr(self, sc->irq_res, INTR_TYPE_CAM,
239 (driver_intr_t *) fwohci_dummy_intr, sc, &sc->ih_cam);
240#endif
241 if (err) {
242 device_printf(self, "Could not setup irq, %d\n", err);
243 fwohci_pci_detach(self);
244 return ENXIO;
245 }
246
247 err = fwohci_init(sc, self);
248
249 if (!err)
250 err = device_probe_and_attach(sc->fc.bdev);
251
252 if (err) {
253 device_printf(self, "FireWire init failed\n");
254 fwohci_pci_detach(self);
255 return EIO;
256 }
257
258 /* XXX
259 * Clear the bus reset event flag to start transactions even when
260 * interrupt is disabled during the boot process.
261 */
262#if 0
263 DELAY(100);
264#endif
265 s = splfw();
266 fwohci_intr((void *)sc);
267 splx(s);
268
269 return 0;
270}
271
272static int
273fwohci_pci_detach(device_t self)
274{
275 fwohci_softc_t *sc = device_get_softc(self);
276 int s;
277
278
279 s = splfw();
280
281 fwohci_stop(sc, self);
282 bus_generic_detach(self);
283
284 /* disable interrupts that might have been switched on */
285 if (sc->bst && sc->bsh)
286 bus_space_write_4(sc->bst, sc->bsh,
287 FWOHCI_INTMASKCLR, OHCI_INT_EN);
288
289 if (sc->irq_res) {
290 int err = bus_teardown_intr(self, sc->irq_res, sc->ih);
291 if (err)
292 /* XXX or should we panic? */
293 device_printf(self, "Could not tear down irq, %d\n",
294 err);
295#if __FreeBSD_version < 500000
296 err = bus_teardown_intr(self, sc->irq_res, sc->ih_cam);
297#endif
298 sc->ih = NULL;
299 }
300
301 if (sc->fc.bdev) {
302 device_delete_child(self, sc->fc.bdev);
303 sc->fc.bdev = NULL;
304 }
305
306 if (sc->irq_res) {
307 bus_release_resource(self, SYS_RES_IRQ, 0, sc->irq_res);
308 sc->irq_res = NULL;
309 }
310
311 if (sc->bsr) {
312 bus_release_resource(self, SYS_RES_MEMORY,PCI_CBMEM,sc->bsr);
313 sc->bsr = NULL;
314 sc->bst = 0;
315 sc->bsh = 0;
316 }
317
318 fwohci_detach(sc, self);
319 splx(s);
320
321 return 0;
322}
323
324static int
325fwohci_pci_suspend(device_t dev)
326{
327 int err;
328
329 device_printf(dev, "fwohci_pci_suspend\n");
330 err = bus_generic_suspend(dev);
331 if (err)
332 return err;
333 /* fwohci_stop(dev); */
334 return 0;
335}
336
337static int
338fwohci_pci_resume(device_t dev)
339{
340 fwohci_softc_t *sc = device_get_softc(dev);
341
342 device_printf(dev, "fwohci_pci_resume: power_state = 0x%08x\n",
343 pci_get_powerstate(dev));
344 fwohci_pci_init(dev);
345 fwohci_resume(sc, dev);
346 return 0;
347}
348
349static int
350fwohci_pci_shutdown(device_t dev)
351{
352 fwohci_softc_t *sc = device_get_softc(dev);
353
354 bus_generic_shutdown(dev);
355 fwohci_stop(sc, dev);
356 return 0;
357}
358
359static device_method_t fwohci_methods[] = {
360 /* Device interface */
361 DEVMETHOD(device_probe, fwohci_pci_probe),
362 DEVMETHOD(device_attach, fwohci_pci_attach),
363 DEVMETHOD(device_detach, fwohci_pci_detach),
364 DEVMETHOD(device_suspend, fwohci_pci_suspend),
365 DEVMETHOD(device_resume, fwohci_pci_resume),
366 DEVMETHOD(device_shutdown, fwohci_pci_shutdown),
367
368 /* Bus interface */
369 DEVMETHOD(bus_print_child, bus_generic_print_child),
370
371 { 0, 0 }
372};
373
374static driver_t fwohci_driver = {
375 "fwohci",
376 fwohci_methods,
377 sizeof(fwohci_softc_t),
378};
379
380static devclass_t fwohci_devclass;
381
382DRIVER_MODULE(fwohci, pci, fwohci_driver, fwohci_devclass, 0, 0);
383DRIVER_MODULE(fwohci, cardbus, fwohci_driver, fwohci_devclass, 0, 0);