1 /*-
2 * Copyright (c) 2003 Hidetoshi Shimokawa
3 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
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. All advertising materials mentioning features or use of this software
15 * must display the acknowledgement as bellow:
16 *
17 * This product includes software developed by K. Kobayashi and H. SHimokawa
18 *
19 * 4. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
25 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
26 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
27 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
30 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 * POSSIBILITY OF SUCH DAMAGE.
33 *
34 * $FreeBSD$
35 */
36
37 #define BOUNCE_BUFFER_TEST 0
38
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/kernel.h>
42 #include <sys/module.h>
43 #include <sys/bus.h>
44 #include <sys/queue.h>
45 #include <machine/bus.h>
46 #include <sys/rman.h>
47 #include <sys/malloc.h>
48 #if defined(__FreeBSD__) && __FreeBSD_version >= 501102
49 #include <sys/lock.h>
50 #include <sys/mutex.h>
51 #endif
52 #include <machine/resource.h>
53
54 #if defined(__DragonFly__) || __FreeBSD_version < 500000
55 #include <machine/clock.h> /* for DELAY() */
56 #endif
57
58 #ifdef __DragonFly__
59 #include <bus/pci/pcivar.h>
60 #include <bus/pci/pcireg.h>
61
62 #include "firewire.h"
63 #include "firewirereg.h"
64
65 #include "fwdma.h"
66 #include "fwohcireg.h"
67 #include "fwohcivar.h"
68 #else
69 #if __FreeBSD_version < 500000
70 #include <pci/pcivar.h>
71 #include <pci/pcireg.h>
72 #else
73 #include <dev/pci/pcivar.h>
74 #include <dev/pci/pcireg.h>
75 #endif
76
77 #include <dev/firewire/firewire.h>
78 #include <dev/firewire/firewirereg.h>
79
80 #include <dev/firewire/fwdma.h>
81 #include <dev/firewire/fwohcireg.h>
82 #include <dev/firewire/fwohcivar.h>
83 #endif
84
85 static int fwohci_pci_attach(device_t self);
86 static int fwohci_pci_detach(device_t self);
87
88 /*
89 * The probe routine.
90 */
91 static int
92 fwohci_pci_probe( device_t dev )
93 {
94 #if 1
95 uint32_t id;
96
97 id = pci_get_devid(dev);
98 if (id == (FW_VENDORID_NATSEMI | FW_DEVICE_CS4210)) {
99 device_set_desc(dev, "National Semiconductor CS4210");
100 return BUS_PROBE_DEFAULT;
101 }
102 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD861)) {
103 device_set_desc(dev, "NEC uPD72861");
104 return BUS_PROBE_DEFAULT;
105 }
106 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD871)) {
107 device_set_desc(dev, "NEC uPD72871/2");
108 return BUS_PROBE_DEFAULT;
109 }
110 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD72870)) {
111 device_set_desc(dev, "NEC uPD72870");
112 return BUS_PROBE_DEFAULT;
113 }
114 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD72873)) {
115 device_set_desc(dev, "NEC uPD72873");
116 return BUS_PROBE_DEFAULT;
117 }
118 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD72874)) {
119 device_set_desc(dev, "NEC uPD72874");
120 return BUS_PROBE_DEFAULT;
121 }
122 if (id == (FW_VENDORID_SIS | FW_DEVICE_7007)) {
123 /* It has no real identifier, using device id. */
124 device_set_desc(dev, "SiS 7007");
125 return BUS_PROBE_DEFAULT;
126 }
127 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB22)) {
128 device_set_desc(dev, "Texas Instruments TSB12LV22");
129 return BUS_PROBE_DEFAULT;
130 }
131 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB23)) {
132 device_set_desc(dev, "Texas Instruments TSB12LV23");
133 return BUS_PROBE_DEFAULT;
134 }
135 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB26)) {
136 device_set_desc(dev, "Texas Instruments TSB12LV26");
137 return BUS_PROBE_DEFAULT;
138 }
139 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43)) {
140 device_set_desc(dev, "Texas Instruments TSB43AA22");
141 return BUS_PROBE_DEFAULT;
142 }
143 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43A)) {
144 device_set_desc(dev, "Texas Instruments TSB43AB22/A");
145 return BUS_PROBE_DEFAULT;
146 }
147 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43AB21)) {
148 device_set_desc(dev, "Texas Instruments TSB43AB21/A/AI/A-EP");
149 return BUS_PROBE_DEFAULT;
150 }
151 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43AB23)) {
152 device_set_desc(dev, "Texas Instruments TSB43AB23");
153 return BUS_PROBE_DEFAULT;
154 }
155 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB82AA2)) {
156 device_set_desc(dev, "Texas Instruments TSB82AA2");
157 return BUS_PROBE_DEFAULT;
158 }
159 if (id == (FW_VENDORID_TI | FW_DEVICE_TIPCI4450)) {
160 device_set_desc(dev, "Texas Instruments PCI4450");
161 return BUS_PROBE_DEFAULT;
162 }
163 if (id == (FW_VENDORID_TI | FW_DEVICE_TIPCI4410A)) {
164 device_set_desc(dev, "Texas Instruments PCI4410A");
165 return BUS_PROBE_DEFAULT;
166 }
167 if (id == (FW_VENDORID_TI | FW_DEVICE_TIPCI4451)) {
168 device_set_desc(dev, "Texas Instruments PCI4451");
169 return BUS_PROBE_DEFAULT;
170 }
171 if (id == (FW_VENDORID_SONY | FW_DEVICE_CXD1947)) {
172 device_set_desc(dev, "Sony i.LINK (CXD1947)");
173 return BUS_PROBE_DEFAULT;
174 }
175 if (id == (FW_VENDORID_SONY | FW_DEVICE_CXD3222)) {
176 device_set_desc(dev, "Sony i.LINK (CXD3222)");
177 return BUS_PROBE_DEFAULT;
178 }
179 if (id == (FW_VENDORID_VIA | FW_DEVICE_VT6306)) {
180 device_set_desc(dev, "VIA Fire II (VT6306)");
181 return BUS_PROBE_DEFAULT;
182 }
183 if (id == (FW_VENDORID_RICOH | FW_DEVICE_R5C551)) {
184 device_set_desc(dev, "Ricoh R5C551");
185 return BUS_PROBE_DEFAULT;
186 }
187 if (id == (FW_VENDORID_RICOH | FW_DEVICE_R5C552)) {
188 device_set_desc(dev, "Ricoh R5C552");
189 return BUS_PROBE_DEFAULT;
190 }
191 if (id == (FW_VENDORID_APPLE | FW_DEVICE_PANGEA)) {
192 device_set_desc(dev, "Apple Pangea");
193 return BUS_PROBE_DEFAULT;
194 }
195 if (id == (FW_VENDORID_APPLE | FW_DEVICE_UNINORTH)) {
196 device_set_desc(dev, "Apple UniNorth");
197 return BUS_PROBE_DEFAULT;
198 }
199 if (id == (FW_VENDORID_LUCENT | FW_DEVICE_FW322)) {
200 device_set_desc(dev, "Lucent FW322/323");
201 return BUS_PROBE_DEFAULT;
202 }
203 if (id == (FW_VENDORID_INTEL | FW_DEVICE_82372FB)) {
204 device_set_desc(dev, "Intel 82372FB");
205 return BUS_PROBE_DEFAULT;
206 }
207 if (id == (FW_VENDORID_ADAPTEC | FW_DEVICE_AIC5800)) {
208 device_set_desc(dev, "Adaptec AHA-894x/AIC-5800");
209 return BUS_PROBE_DEFAULT;
210 }
211 if (id == (FW_VENDORID_SUN | FW_DEVICE_PCIO2FW)) {
212 device_set_desc(dev, "Sun PCIO-2");
213 return BUS_PROBE_DEFAULT;
214 }
215 #endif
216 if (pci_get_class(dev) == PCIC_SERIALBUS
217 && pci_get_subclass(dev) == PCIS_SERIALBUS_FW
218 && pci_get_progif(dev) == PCI_INTERFACE_OHCI) {
219 if (bootverbose)
220 device_printf(dev, "vendor=%x, dev=%x\n",
221 pci_get_vendor(dev), pci_get_device(dev));
222 device_set_desc(dev, "1394 Open Host Controller Interface");
223 return BUS_PROBE_DEFAULT;
224 }
225
226 return ENXIO;
227 }
228
229 #if defined(__DragonFly__) || __FreeBSD_version < 500000
230 static void
231 fwohci_dummy_intr(void *arg)
232 {
233 /* XXX do nothing */
234 }
235 #endif
236
237 static int
238 fwohci_pci_init(device_t self)
239 {
240 int olatency, latency, ocache_line, cache_line;
241 uint16_t cmd;
242
243 cmd = pci_read_config(self, PCIR_COMMAND, 2);
244 cmd |= PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN | PCIM_CMD_MWRICEN;
245 #if 1 /* for broken hardware */
246 cmd &= ~PCIM_CMD_MWRICEN;
247 #endif
248 pci_write_config(self, PCIR_COMMAND, cmd, 2);
249
250 /*
251 * Some Sun PCIO-2 FireWire controllers have their intpin register
252 * bogusly set to 0, although it should be 3. Correct that.
253 */
254 if (pci_get_devid(self) == (FW_VENDORID_SUN | FW_DEVICE_PCIO2FW) &&
255 pci_get_intpin(self) == 0)
256 pci_set_intpin(self, 3);
257
258 latency = olatency = pci_read_config(self, PCIR_LATTIMER, 1);
259 #define DEF_LATENCY 0x20
260 if (olatency < DEF_LATENCY) {
261 latency = DEF_LATENCY;
262 pci_write_config(self, PCIR_LATTIMER, latency, 1);
263 }
264
265 cache_line = ocache_line = pci_read_config(self, PCIR_CACHELNSZ, 1);
266 #define DEF_CACHE_LINE 8
267 if (ocache_line < DEF_CACHE_LINE) {
268 cache_line = DEF_CACHE_LINE;
269 pci_write_config(self, PCIR_CACHELNSZ, cache_line, 1);
270 }
271
272 if (firewire_debug) {
273 device_printf(self, "latency timer %d -> %d.\n",
274 olatency, latency);
275 device_printf(self, "cache size %d -> %d.\n",
276 ocache_line, cache_line);
277 }
278
279 return 0;
280 }
281
282 static int
283 fwohci_pci_attach(device_t self)
284 {
285 fwohci_softc_t *sc = device_get_softc(self);
286 int err;
287 int rid;
288 #if defined(__DragonFly__) || __FreeBSD_version < 500000
289 int intr;
290 /* For the moment, put in a message stating what is wrong */
291 intr = pci_read_config(self, PCIR_INTLINE, 1);
292 if (intr == 0 || intr == 255) {
293 device_printf(self, "Invalid irq %d\n", intr);
294 #ifdef __i386__
295 device_printf(self, "Please switch PNP-OS to 'No' in BIOS\n");
296 #endif
297 }
298 #endif
299
300 #if 0
301 if (bootverbose)
302 firewire_debug = bootverbose;
303 #endif
304
305 fwohci_pci_init(self);
306
307 rid = PCI_CBMEM;
308 #if __FreeBSD_version >= 502109
309 sc->bsr = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid, RF_ACTIVE);
310 #else
311 sc->bsr = bus_alloc_resource(self, SYS_RES_MEMORY, &rid,
312 0, ~0, 1, RF_ACTIVE);
313 #endif
314 if (!sc->bsr) {
315 device_printf(self, "Could not map memory\n");
316 return ENXIO;
317 }
318
319 sc->bst = rman_get_bustag(sc->bsr);
320 sc->bsh = rman_get_bushandle(sc->bsr);
321
322 rid = 0;
323 #if __FreeBSD_version >= 502109
324 sc->irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid,
325 RF_SHAREABLE | RF_ACTIVE);
326 #else
327 sc->irq_res = bus_alloc_resource(self, SYS_RES_IRQ, &rid, 0, ~0, 1,
328 RF_SHAREABLE | RF_ACTIVE);
329 #endif
330 if (sc->irq_res == NULL) {
331 device_printf(self, "Could not allocate irq\n");
332 fwohci_pci_detach(self);
333 return ENXIO;
334 }
335
336
337 err = bus_setup_intr(self, sc->irq_res,
338 #if FWOHCI_TASKQUEUE
339 INTR_TYPE_NET | INTR_MPSAFE,
340 #else
341 INTR_TYPE_NET,
342 #endif
343 (driver_intr_t *) fwohci_intr, sc, &sc->ih);
344 #if defined(__DragonFly__) || __FreeBSD_version < 500000
345 /* XXX splcam() should mask this irq for sbp.c*/
346 err = bus_setup_intr(self, sc->irq_res, INTR_TYPE_CAM,
347 (driver_intr_t *) fwohci_dummy_intr, sc, &sc->ih_cam);
348 /* XXX splbio() should mask this irq for physio()/fwmem_strategy() */
349 err = bus_setup_intr(self, sc->irq_res, INTR_TYPE_BIO,
350 (driver_intr_t *) fwohci_dummy_intr, sc, &sc->ih_bio);
351 #endif
352 if (err) {
353 device_printf(self, "Could not setup irq, %d\n", err);
354 fwohci_pci_detach(self);
355 return ENXIO;
356 }
357
358 err = bus_dma_tag_create(/*parent*/NULL, /*alignment*/1,
359 /*boundary*/0,
360 #if BOUNCE_BUFFER_TEST
361 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
362 #else
363 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
364 #endif
365 /*highaddr*/BUS_SPACE_MAXADDR,
366 /*filter*/NULL, /*filterarg*/NULL,
367 /*maxsize*/0x100000,
368 /*nsegments*/0x20,
369 /*maxsegsz*/0x8000,
370 /*flags*/BUS_DMA_ALLOCNOW,
371 #if defined(__FreeBSD__) && __FreeBSD_version >= 501102
372 /*lockfunc*/busdma_lock_mutex,
373 /*lockarg*/&Giant,
374 #endif
375 &sc->fc.dmat);
376 if (err != 0) {
377 printf("fwohci_pci_attach: Could not allocate DMA tag "
378 "- error %d\n", err);
379 return (ENOMEM);
380 }
381
382 err = fwohci_init(sc, self);
383
384 if (err) {
385 device_printf(self, "fwohci_init failed with err=%d\n", err);
386 fwohci_pci_detach(self);
387 return EIO;
388 }
389
390 /* probe and attach a child device(firewire) */
391 bus_generic_probe(self);
392 bus_generic_attach(self);
393
394 return 0;
395 }
396
397 static int
398 fwohci_pci_detach(device_t self)
399 {
400 fwohci_softc_t *sc = device_get_softc(self);
401 int s;
402
403
404 s = splfw();
405
406 if (sc->bsr)
407 fwohci_stop(sc, self);
408
409 bus_generic_detach(self);
410 if (sc->fc.bdev) {
411 device_delete_child(self, sc->fc.bdev);
412 sc->fc.bdev = NULL;
413 }
414
415 /* disable interrupts that might have been switched on */
416 if (sc->bst && sc->bsh)
417 bus_space_write_4(sc->bst, sc->bsh,
418 FWOHCI_INTMASKCLR, OHCI_INT_EN);
419
420 if (sc->irq_res) {
421 int err;
422 if (sc->ih) {
423 err = bus_teardown_intr(self, sc->irq_res, sc->ih);
424 if (err)
425 device_printf(self,
426 "Could not tear down irq, %d\n", err);
427 #if defined(__DragonFly__) || __FreeBSD_version < 500000
428 bus_teardown_intr(self, sc->irq_res, sc->ih_cam);
429 bus_teardown_intr(self, sc->irq_res, sc->ih_bio);
430 #endif
431 sc->ih = NULL;
432 }
433 bus_release_resource(self, SYS_RES_IRQ, 0, sc->irq_res);
434 sc->irq_res = NULL;
435 }
436
437 if (sc->bsr) {
438 bus_release_resource(self, SYS_RES_MEMORY,PCI_CBMEM,sc->bsr);
439 sc->bsr = NULL;
440 sc->bst = 0;
441 sc->bsh = 0;
442 }
443
444 fwohci_detach(sc, self);
445 splx(s);
446
447 return 0;
448 }
449
450 static int
451 fwohci_pci_suspend(device_t dev)
452 {
453 fwohci_softc_t *sc = device_get_softc(dev);
454 int err;
455
456 device_printf(dev, "fwohci_pci_suspend\n");
457 err = bus_generic_suspend(dev);
458 if (err)
459 return err;
460 fwohci_stop(sc, dev);
461 return 0;
462 }
463
464 static int
465 fwohci_pci_resume(device_t dev)
466 {
467 fwohci_softc_t *sc = device_get_softc(dev);
468
469 fwohci_pci_init(dev);
470 fwohci_resume(sc, dev);
471 return 0;
472 }
473
474 static int
475 fwohci_pci_shutdown(device_t dev)
476 {
477 fwohci_softc_t *sc = device_get_softc(dev);
478
479 bus_generic_shutdown(dev);
480 fwohci_stop(sc, dev);
481 return 0;
482 }
483
484 static device_t
485 fwohci_pci_add_child(device_t dev, int order, const char *name, int unit)
486 {
487 struct fwohci_softc *sc;
488 device_t child;
489 int s, err = 0;
490
491 sc = (struct fwohci_softc *)device_get_softc(dev);
492 child = device_add_child(dev, name, unit);
493 if (child == NULL)
494 return (child);
495
496 sc->fc.bdev = child;
497 device_set_ivars(child, (void *)&sc->fc);
498
499 err = device_probe_and_attach(child);
500 if (err) {
501 device_printf(dev, "probe_and_attach failed with err=%d\n",
502 err);
503 fwohci_pci_detach(dev);
504 device_delete_child(dev, child);
505 return NULL;
506 }
507
508 /* XXX
509 * Clear the bus reset event flag to start transactions even when
510 * interrupt is disabled during the boot process.
511 */
512 if (cold) {
513 DELAY(250); /* 2 cycles */
514 s = splfw();
515 fwohci_poll((void *)sc, 0, -1);
516 splx(s);
517 }
518
519 return (child);
520 }
521
522 static device_method_t fwohci_methods[] = {
523 /* Device interface */
524 DEVMETHOD(device_probe, fwohci_pci_probe),
525 DEVMETHOD(device_attach, fwohci_pci_attach),
526 DEVMETHOD(device_detach, fwohci_pci_detach),
527 DEVMETHOD(device_suspend, fwohci_pci_suspend),
528 DEVMETHOD(device_resume, fwohci_pci_resume),
529 DEVMETHOD(device_shutdown, fwohci_pci_shutdown),
530
531 /* Bus interface */
532 DEVMETHOD(bus_add_child, fwohci_pci_add_child),
533 DEVMETHOD(bus_print_child, bus_generic_print_child),
534
535 { 0, 0 }
536 };
537
538 static driver_t fwohci_driver = {
539 "fwohci",
540 fwohci_methods,
541 sizeof(fwohci_softc_t),
542 };
543
544 static devclass_t fwohci_devclass;
545
546 #ifdef FWOHCI_MODULE
547 MODULE_DEPEND(fwohci, firewire, 1, 1, 1);
548 #endif
549 DRIVER_MODULE(fwohci, pci, fwohci_driver, fwohci_devclass, 0, 0);
550 DRIVER_MODULE(fwohci, cardbus, fwohci_driver, fwohci_devclass, 0, 0);
Cache object: 2a5b0e53f93d87e28823268e22b83213
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