FreeBSD/Linux Kernel Cross Reference
sys/pci/nfsmb.c
1 /*-
2 * Copyright (c) 2005 Ruslan Ermilov
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 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD: src/sys/pci/nfsmb.c,v 1.10 2008/06/18 20:39:56 joerg Exp $");
29
30 #include <sys/param.h>
31 #include <sys/bus.h>
32 #include <sys/kernel.h>
33 #include <sys/lock.h>
34 #include <sys/module.h>
35 #include <sys/mutex.h>
36 #include <sys/systm.h>
37
38 #include <machine/bus.h>
39 #include <machine/resource.h>
40 #include <sys/rman.h>
41
42 #include <dev/pci/pcivar.h>
43 #include <dev/pci/pcireg.h>
44
45 #include <dev/smbus/smbconf.h>
46 #include "smbus_if.h"
47
48 #define NFSMB_DEBUG(x) if (nfsmb_debug) (x)
49
50 #ifdef DEBUG
51 static int nfsmb_debug = 1;
52 #else
53 static int nfsmb_debug = 0;
54 #endif
55
56 /* NVIDIA nForce2/3/4 MCP */
57 #define NFSMB_VENDORID_NVIDIA 0x10de
58 #define NFSMB_DEVICEID_NF2_SMB 0x0064
59 #define NFSMB_DEVICEID_NF2_ULTRA_SMB 0x0084
60 #define NFSMB_DEVICEID_NF3_PRO150_SMB 0x00d4
61 #define NFSMB_DEVICEID_NF3_250GB_SMB 0x00e4
62 #define NFSMB_DEVICEID_NF4_SMB 0x0052
63 #define NFSMB_DEVICEID_NF4_04_SMB 0x0034
64 #define NFSMB_DEVICEID_NF4_51_SMB 0x0264
65 #define NFSMB_DEVICEID_NF4_55_SMB 0x0368
66 #define NFSMB_DEVICEID_NF4_61_SMB 0x03eb
67 #define NFSMB_DEVICEID_NF4_65_SMB 0x0446
68
69 /* PCI Configuration space registers */
70 #define NF2PCI_SMBASE_1 PCIR_BAR(4)
71 #define NF2PCI_SMBASE_2 PCIR_BAR(5)
72
73 /*
74 * ACPI 3.0, Chapter 12, SMBus Host Controller Interface.
75 */
76 #define SMB_PRTCL 0x00 /* protocol */
77 #define SMB_STS 0x01 /* status */
78 #define SMB_ADDR 0x02 /* address */
79 #define SMB_CMD 0x03 /* command */
80 #define SMB_DATA 0x04 /* 32 data registers */
81 #define SMB_BCNT 0x24 /* number of data bytes */
82 #define SMB_ALRM_A 0x25 /* alarm address */
83 #define SMB_ALRM_D 0x26 /* 2 bytes alarm data */
84
85 #define SMB_STS_DONE 0x80
86 #define SMB_STS_ALRM 0x40
87 #define SMB_STS_RES 0x20
88 #define SMB_STS_STATUS 0x1f
89 #define SMB_STS_OK 0x00 /* OK */
90 #define SMB_STS_UF 0x07 /* Unknown Failure */
91 #define SMB_STS_DANA 0x10 /* Device Address Not Acknowledged */
92 #define SMB_STS_DED 0x11 /* Device Error Detected */
93 #define SMB_STS_DCAD 0x12 /* Device Command Access Denied */
94 #define SMB_STS_UE 0x13 /* Unknown Error */
95 #define SMB_STS_DAD 0x17 /* Device Access Denied */
96 #define SMB_STS_T 0x18 /* Timeout */
97 #define SMB_STS_HUP 0x19 /* Host Unsupported Protocol */
98 #define SMB_STS_B 0x1A /* Busy */
99 #define SMB_STS_PEC 0x1F /* PEC (CRC-8) Error */
100
101 #define SMB_PRTCL_WRITE 0x00
102 #define SMB_PRTCL_READ 0x01
103 #define SMB_PRTCL_QUICK 0x02
104 #define SMB_PRTCL_BYTE 0x04
105 #define SMB_PRTCL_BYTE_DATA 0x06
106 #define SMB_PRTCL_WORD_DATA 0x08
107 #define SMB_PRTCL_BLOCK_DATA 0x0a
108 #define SMB_PRTCL_PROC_CALL 0x0c
109 #define SMB_PRTCL_BLOCK_PROC_CALL 0x0d
110 #define SMB_PRTCL_PEC 0x80
111
112 struct nfsmb_softc {
113 int rid;
114 struct resource *res;
115 device_t smbus;
116 device_t subdev;
117 struct mtx lock;
118 };
119
120 #define NFSMB_LOCK(nfsmb) mtx_lock(&(nfsmb)->lock)
121 #define NFSMB_UNLOCK(nfsmb) mtx_unlock(&(nfsmb)->lock)
122 #define NFSMB_LOCK_ASSERT(nfsmb) mtx_assert(&(nfsmb)->lock, MA_OWNED)
123
124 #define NFSMB_SMBINB(nfsmb, register) \
125 (bus_read_1(nfsmb->res, register))
126 #define NFSMB_SMBOUTB(nfsmb, register, value) \
127 (bus_write_1(nfsmb->res, register, value))
128
129 static int nfsmb_detach(device_t dev);
130 static int nfsmbsub_detach(device_t dev);
131
132 static int
133 nfsmbsub_probe(device_t dev)
134 {
135
136 device_set_desc(dev, "nForce2/3/4 MCP SMBus Controller");
137 return (BUS_PROBE_DEFAULT);
138 }
139
140 static int
141 nfsmb_probe(device_t dev)
142 {
143 u_int16_t vid;
144 u_int16_t did;
145
146 vid = pci_get_vendor(dev);
147 did = pci_get_device(dev);
148
149 if (vid == NFSMB_VENDORID_NVIDIA) {
150 switch(did) {
151 case NFSMB_DEVICEID_NF2_SMB:
152 case NFSMB_DEVICEID_NF2_ULTRA_SMB:
153 case NFSMB_DEVICEID_NF3_PRO150_SMB:
154 case NFSMB_DEVICEID_NF3_250GB_SMB:
155 case NFSMB_DEVICEID_NF4_SMB:
156 case NFSMB_DEVICEID_NF4_04_SMB:
157 case NFSMB_DEVICEID_NF4_51_SMB:
158 case NFSMB_DEVICEID_NF4_55_SMB:
159 case NFSMB_DEVICEID_NF4_61_SMB:
160 case NFSMB_DEVICEID_NF4_65_SMB:
161 device_set_desc(dev, "nForce2/3/4 MCP SMBus Controller");
162 return (BUS_PROBE_DEFAULT);
163 }
164 }
165
166 return (ENXIO);
167 }
168
169 static int
170 nfsmbsub_attach(device_t dev)
171 {
172 device_t parent;
173 struct nfsmb_softc *nfsmbsub_sc = device_get_softc(dev);
174
175 parent = device_get_parent(dev);
176
177 nfsmbsub_sc->rid = NF2PCI_SMBASE_2;
178
179 nfsmbsub_sc->res = bus_alloc_resource_any(parent, SYS_RES_IOPORT,
180 &nfsmbsub_sc->rid, RF_ACTIVE);
181 if (nfsmbsub_sc->res == NULL) {
182 /* Older incarnations of the device used non-standard BARs. */
183 nfsmbsub_sc->rid = 0x54;
184 nfsmbsub_sc->res = bus_alloc_resource_any(parent,
185 SYS_RES_IOPORT, &nfsmbsub_sc->rid, RF_ACTIVE);
186 if (nfsmbsub_sc->res == NULL) {
187 device_printf(dev, "could not map i/o space\n");
188 return (ENXIO);
189 }
190 }
191 mtx_init(&nfsmbsub_sc->lock, device_get_nameunit(dev), "nfsmb",
192 MTX_DEF);
193
194 nfsmbsub_sc->smbus = device_add_child(dev, "smbus", -1);
195 if (nfsmbsub_sc->smbus == NULL) {
196 nfsmbsub_detach(dev);
197 return (EINVAL);
198 }
199
200 bus_generic_attach(dev);
201
202 return (0);
203 }
204
205 static int
206 nfsmb_attach(device_t dev)
207 {
208 struct nfsmb_softc *nfsmb_sc = device_get_softc(dev);
209
210 /* Allocate I/O space */
211 nfsmb_sc->rid = NF2PCI_SMBASE_1;
212
213 nfsmb_sc->res = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
214 &nfsmb_sc->rid, RF_ACTIVE);
215
216 if (nfsmb_sc->res == NULL) {
217 /* Older incarnations of the device used non-standard BARs. */
218 nfsmb_sc->rid = 0x50;
219 nfsmb_sc->res = bus_alloc_resource_any(dev,
220 SYS_RES_IOPORT, &nfsmb_sc->rid, RF_ACTIVE);
221 if (nfsmb_sc->res == NULL) {
222 device_printf(dev, "could not map i/o space\n");
223 return (ENXIO);
224 }
225 }
226
227 mtx_init(&nfsmb_sc->lock, device_get_nameunit(dev), "nfsmb", MTX_DEF);
228
229 /* Allocate a new smbus device */
230 nfsmb_sc->smbus = device_add_child(dev, "smbus", -1);
231 if (!nfsmb_sc->smbus) {
232 nfsmb_detach(dev);
233 return (EINVAL);
234 }
235
236 nfsmb_sc->subdev = NULL;
237 switch (pci_get_device(dev)) {
238 case NFSMB_DEVICEID_NF2_SMB:
239 case NFSMB_DEVICEID_NF2_ULTRA_SMB:
240 case NFSMB_DEVICEID_NF3_PRO150_SMB:
241 case NFSMB_DEVICEID_NF3_250GB_SMB:
242 case NFSMB_DEVICEID_NF4_SMB:
243 case NFSMB_DEVICEID_NF4_04_SMB:
244 case NFSMB_DEVICEID_NF4_51_SMB:
245 case NFSMB_DEVICEID_NF4_55_SMB:
246 case NFSMB_DEVICEID_NF4_61_SMB:
247 case NFSMB_DEVICEID_NF4_65_SMB:
248 /* Trying to add secondary device as slave */
249 nfsmb_sc->subdev = device_add_child(dev, "nfsmb", -1);
250 if (!nfsmb_sc->subdev) {
251 nfsmb_detach(dev);
252 return (EINVAL);
253 }
254 break;
255 default:
256 break;
257 }
258
259 bus_generic_attach(dev);
260
261 return (0);
262 }
263
264 static int
265 nfsmbsub_detach(device_t dev)
266 {
267 device_t parent;
268 struct nfsmb_softc *nfsmbsub_sc = device_get_softc(dev);
269
270 parent = device_get_parent(dev);
271
272 if (nfsmbsub_sc->smbus) {
273 device_delete_child(dev, nfsmbsub_sc->smbus);
274 nfsmbsub_sc->smbus = NULL;
275 }
276 mtx_destroy(&nfsmbsub_sc->lock);
277 if (nfsmbsub_sc->res) {
278 bus_release_resource(parent, SYS_RES_IOPORT, nfsmbsub_sc->rid,
279 nfsmbsub_sc->res);
280 nfsmbsub_sc->res = NULL;
281 }
282 return (0);
283 }
284
285 static int
286 nfsmb_detach(device_t dev)
287 {
288 struct nfsmb_softc *nfsmb_sc = device_get_softc(dev);
289
290 if (nfsmb_sc->subdev) {
291 device_delete_child(dev, nfsmb_sc->subdev);
292 nfsmb_sc->subdev = NULL;
293 }
294
295 if (nfsmb_sc->smbus) {
296 device_delete_child(dev, nfsmb_sc->smbus);
297 nfsmb_sc->smbus = NULL;
298 }
299
300 mtx_destroy(&nfsmb_sc->lock);
301 if (nfsmb_sc->res) {
302 bus_release_resource(dev, SYS_RES_IOPORT, nfsmb_sc->rid,
303 nfsmb_sc->res);
304 nfsmb_sc->res = NULL;
305 }
306
307 return (0);
308 }
309
310 static int
311 nfsmb_callback(device_t dev, int index, void *data)
312 {
313 int error = 0;
314
315 switch (index) {
316 case SMB_REQUEST_BUS:
317 case SMB_RELEASE_BUS:
318 break;
319 default:
320 error = EINVAL;
321 }
322
323 return (error);
324 }
325
326 static int
327 nfsmb_wait(struct nfsmb_softc *sc)
328 {
329 u_char sts;
330 int error, count;
331
332 NFSMB_LOCK_ASSERT(sc);
333 if (NFSMB_SMBINB(sc, SMB_PRTCL) != 0)
334 {
335 count = 10000;
336 do {
337 DELAY(500);
338 } while (NFSMB_SMBINB(sc, SMB_PRTCL) != 0 && count--);
339 if (count == 0)
340 return (SMB_ETIMEOUT);
341 }
342
343 sts = NFSMB_SMBINB(sc, SMB_STS) & SMB_STS_STATUS;
344 NFSMB_DEBUG(printf("nfsmb: STS=0x%x\n", sts));
345
346 switch (sts) {
347 case SMB_STS_OK:
348 error = SMB_ENOERR;
349 break;
350 case SMB_STS_DANA:
351 error = SMB_ENOACK;
352 break;
353 case SMB_STS_B:
354 error = SMB_EBUSY;
355 break;
356 case SMB_STS_T:
357 error = SMB_ETIMEOUT;
358 break;
359 case SMB_STS_DCAD:
360 case SMB_STS_DAD:
361 case SMB_STS_HUP:
362 error = SMB_ENOTSUPP;
363 break;
364 default:
365 error = SMB_EBUSERR;
366 break;
367 }
368
369 return (error);
370 }
371
372 static int
373 nfsmb_quick(device_t dev, u_char slave, int how)
374 {
375 struct nfsmb_softc *sc = (struct nfsmb_softc *)device_get_softc(dev);
376 u_char protocol;
377 int error;
378
379 protocol = SMB_PRTCL_QUICK;
380
381 switch (how) {
382 case SMB_QWRITE:
383 protocol |= SMB_PRTCL_WRITE;
384 NFSMB_DEBUG(printf("nfsmb: QWRITE to 0x%x", slave));
385 break;
386 case SMB_QREAD:
387 protocol |= SMB_PRTCL_READ;
388 NFSMB_DEBUG(printf("nfsmb: QREAD to 0x%x", slave));
389 break;
390 default:
391 panic("%s: unknown QUICK command (%x)!", __func__, how);
392 }
393
394 NFSMB_LOCK(sc);
395 NFSMB_SMBOUTB(sc, SMB_ADDR, slave);
396 NFSMB_SMBOUTB(sc, SMB_PRTCL, protocol);
397
398 error = nfsmb_wait(sc);
399
400 NFSMB_DEBUG(printf(", error=0x%x\n", error));
401 NFSMB_UNLOCK(sc);
402
403 return (error);
404 }
405
406 static int
407 nfsmb_sendb(device_t dev, u_char slave, char byte)
408 {
409 struct nfsmb_softc *sc = (struct nfsmb_softc *)device_get_softc(dev);
410 int error;
411
412 NFSMB_LOCK(sc);
413 NFSMB_SMBOUTB(sc, SMB_CMD, byte);
414 NFSMB_SMBOUTB(sc, SMB_ADDR, slave);
415 NFSMB_SMBOUTB(sc, SMB_PRTCL, SMB_PRTCL_WRITE | SMB_PRTCL_BYTE);
416
417 error = nfsmb_wait(sc);
418
419 NFSMB_DEBUG(printf("nfsmb: SENDB to 0x%x, byte=0x%x, error=0x%x\n", slave, byte, error));
420 NFSMB_UNLOCK(sc);
421
422 return (error);
423 }
424
425 static int
426 nfsmb_recvb(device_t dev, u_char slave, char *byte)
427 {
428 struct nfsmb_softc *sc = (struct nfsmb_softc *)device_get_softc(dev);
429 int error;
430
431 NFSMB_LOCK(sc);
432 NFSMB_SMBOUTB(sc, SMB_ADDR, slave);
433 NFSMB_SMBOUTB(sc, SMB_PRTCL, SMB_PRTCL_READ | SMB_PRTCL_BYTE);
434
435 if ((error = nfsmb_wait(sc)) == SMB_ENOERR)
436 *byte = NFSMB_SMBINB(sc, SMB_DATA);
437
438 NFSMB_DEBUG(printf("nfsmb: RECVB from 0x%x, byte=0x%x, error=0x%x\n", slave, *byte, error));
439 NFSMB_UNLOCK(sc);
440
441 return (error);
442 }
443
444 static int
445 nfsmb_writeb(device_t dev, u_char slave, char cmd, char byte)
446 {
447 struct nfsmb_softc *sc = (struct nfsmb_softc *)device_get_softc(dev);
448 int error;
449
450 NFSMB_LOCK(sc);
451 NFSMB_SMBOUTB(sc, SMB_CMD, cmd);
452 NFSMB_SMBOUTB(sc, SMB_DATA, byte);
453 NFSMB_SMBOUTB(sc, SMB_ADDR, slave);
454 NFSMB_SMBOUTB(sc, SMB_PRTCL, SMB_PRTCL_WRITE | SMB_PRTCL_BYTE_DATA);
455
456 error = nfsmb_wait(sc);
457
458 NFSMB_DEBUG(printf("nfsmb: WRITEB to 0x%x, cmd=0x%x, byte=0x%x, error=0x%x\n", slave, cmd, byte, error));
459 NFSMB_UNLOCK(sc);
460
461 return (error);
462 }
463
464 static int
465 nfsmb_readb(device_t dev, u_char slave, char cmd, char *byte)
466 {
467 struct nfsmb_softc *sc = (struct nfsmb_softc *)device_get_softc(dev);
468 int error;
469
470 NFSMB_LOCK(sc);
471 NFSMB_SMBOUTB(sc, SMB_CMD, cmd);
472 NFSMB_SMBOUTB(sc, SMB_ADDR, slave);
473 NFSMB_SMBOUTB(sc, SMB_PRTCL, SMB_PRTCL_READ | SMB_PRTCL_BYTE_DATA);
474
475 if ((error = nfsmb_wait(sc)) == SMB_ENOERR)
476 *byte = NFSMB_SMBINB(sc, SMB_DATA);
477
478 NFSMB_DEBUG(printf("nfsmb: READB from 0x%x, cmd=0x%x, byte=0x%x, error=0x%x\n", slave, cmd, (unsigned char)*byte, error));
479 NFSMB_UNLOCK(sc);
480
481 return (error);
482 }
483
484 static int
485 nfsmb_writew(device_t dev, u_char slave, char cmd, short word)
486 {
487 struct nfsmb_softc *sc = (struct nfsmb_softc *)device_get_softc(dev);
488 int error;
489
490 NFSMB_LOCK(sc);
491 NFSMB_SMBOUTB(sc, SMB_CMD, cmd);
492 NFSMB_SMBOUTB(sc, SMB_DATA, word);
493 NFSMB_SMBOUTB(sc, SMB_DATA + 1, word >> 8);
494 NFSMB_SMBOUTB(sc, SMB_ADDR, slave);
495 NFSMB_SMBOUTB(sc, SMB_PRTCL, SMB_PRTCL_WRITE | SMB_PRTCL_WORD_DATA);
496
497 error = nfsmb_wait(sc);
498
499 NFSMB_DEBUG(printf("nfsmb: WRITEW to 0x%x, cmd=0x%x, word=0x%x, error=0x%x\n", slave, cmd, word, error));
500 NFSMB_UNLOCK(sc);
501
502 return (error);
503 }
504
505 static int
506 nfsmb_readw(device_t dev, u_char slave, char cmd, short *word)
507 {
508 struct nfsmb_softc *sc = (struct nfsmb_softc *)device_get_softc(dev);
509 int error;
510
511 NFSMB_LOCK(sc);
512 NFSMB_SMBOUTB(sc, SMB_CMD, cmd);
513 NFSMB_SMBOUTB(sc, SMB_ADDR, slave);
514 NFSMB_SMBOUTB(sc, SMB_PRTCL, SMB_PRTCL_READ | SMB_PRTCL_WORD_DATA);
515
516 if ((error = nfsmb_wait(sc)) == SMB_ENOERR)
517 *word = NFSMB_SMBINB(sc, SMB_DATA) |
518 (NFSMB_SMBINB(sc, SMB_DATA + 1) << 8);
519
520 NFSMB_DEBUG(printf("nfsmb: READW from 0x%x, cmd=0x%x, word=0x%x, error=0x%x\n", slave, cmd, (unsigned short)*word, error));
521 NFSMB_UNLOCK(sc);
522
523 return (error);
524 }
525
526 static int
527 nfsmb_bwrite(device_t dev, u_char slave, char cmd, u_char count, char *buf)
528 {
529 struct nfsmb_softc *sc = (struct nfsmb_softc *)device_get_softc(dev);
530 u_char i;
531 int error;
532
533 if (count < 1 || count > 32)
534 return (SMB_EINVAL);
535
536 NFSMB_LOCK(sc);
537 NFSMB_SMBOUTB(sc, SMB_CMD, cmd);
538 NFSMB_SMBOUTB(sc, SMB_BCNT, count);
539 for (i = 0; i < count; i++)
540 NFSMB_SMBOUTB(sc, SMB_DATA + i, buf[i]);
541 NFSMB_SMBOUTB(sc, SMB_ADDR, slave);
542 NFSMB_SMBOUTB(sc, SMB_PRTCL, SMB_PRTCL_WRITE | SMB_PRTCL_BLOCK_DATA);
543
544 error = nfsmb_wait(sc);
545
546 NFSMB_DEBUG(printf("nfsmb: WRITEBLK to 0x%x, count=0x%x, cmd=0x%x, error=0x%x", slave, count, cmd, error));
547 NFSMB_UNLOCK(sc);
548
549 return (error);
550 }
551
552 static int
553 nfsmb_bread(device_t dev, u_char slave, char cmd, u_char *count, char *buf)
554 {
555 struct nfsmb_softc *sc = (struct nfsmb_softc *)device_get_softc(dev);
556 u_char data, len, i;
557 int error;
558
559 if (*count < 1 || *count > 32)
560 return (SMB_EINVAL);
561
562 NFSMB_LOCK(sc);
563 NFSMB_SMBOUTB(sc, SMB_CMD, cmd);
564 NFSMB_SMBOUTB(sc, SMB_ADDR, slave);
565 NFSMB_SMBOUTB(sc, SMB_PRTCL, SMB_PRTCL_READ | SMB_PRTCL_BLOCK_DATA);
566
567 if ((error = nfsmb_wait(sc)) == SMB_ENOERR) {
568 len = NFSMB_SMBINB(sc, SMB_BCNT);
569 for (i = 0; i < len; i++) {
570 data = NFSMB_SMBINB(sc, SMB_DATA + i);
571 if (i < *count)
572 buf[i] = data;
573 }
574 *count = len;
575 }
576
577 NFSMB_DEBUG(printf("nfsmb: READBLK to 0x%x, count=0x%x, cmd=0x%x, error=0x%x", slave, *count, cmd, error));
578 NFSMB_UNLOCK(sc);
579
580 return (error);
581 }
582
583 static device_method_t nfsmb_methods[] = {
584 /* Device interface */
585 DEVMETHOD(device_probe, nfsmb_probe),
586 DEVMETHOD(device_attach, nfsmb_attach),
587 DEVMETHOD(device_detach, nfsmb_detach),
588
589 /* SMBus interface */
590 DEVMETHOD(smbus_callback, nfsmb_callback),
591 DEVMETHOD(smbus_quick, nfsmb_quick),
592 DEVMETHOD(smbus_sendb, nfsmb_sendb),
593 DEVMETHOD(smbus_recvb, nfsmb_recvb),
594 DEVMETHOD(smbus_writeb, nfsmb_writeb),
595 DEVMETHOD(smbus_readb, nfsmb_readb),
596 DEVMETHOD(smbus_writew, nfsmb_writew),
597 DEVMETHOD(smbus_readw, nfsmb_readw),
598 DEVMETHOD(smbus_bwrite, nfsmb_bwrite),
599 DEVMETHOD(smbus_bread, nfsmb_bread),
600
601 { 0, 0 }
602 };
603
604 static device_method_t nfsmbsub_methods[] = {
605 /* Device interface */
606 DEVMETHOD(device_probe, nfsmbsub_probe),
607 DEVMETHOD(device_attach, nfsmbsub_attach),
608 DEVMETHOD(device_detach, nfsmbsub_detach),
609
610 /* SMBus interface */
611 DEVMETHOD(smbus_callback, nfsmb_callback),
612 DEVMETHOD(smbus_quick, nfsmb_quick),
613 DEVMETHOD(smbus_sendb, nfsmb_sendb),
614 DEVMETHOD(smbus_recvb, nfsmb_recvb),
615 DEVMETHOD(smbus_writeb, nfsmb_writeb),
616 DEVMETHOD(smbus_readb, nfsmb_readb),
617 DEVMETHOD(smbus_writew, nfsmb_writew),
618 DEVMETHOD(smbus_readw, nfsmb_readw),
619 DEVMETHOD(smbus_bwrite, nfsmb_bwrite),
620 DEVMETHOD(smbus_bread, nfsmb_bread),
621
622 { 0, 0 }
623 };
624
625 static devclass_t nfsmb_devclass;
626
627 static driver_t nfsmb_driver = {
628 "nfsmb",
629 nfsmb_methods,
630 sizeof(struct nfsmb_softc),
631 };
632
633 static driver_t nfsmbsub_driver = {
634 "nfsmb",
635 nfsmbsub_methods,
636 sizeof(struct nfsmb_softc),
637 };
638
639 DRIVER_MODULE(nfsmb, pci, nfsmb_driver, nfsmb_devclass, 0, 0);
640 DRIVER_MODULE(nfsmb, nfsmb, nfsmbsub_driver, nfsmb_devclass, 0, 0);
641 DRIVER_MODULE(smbus, nfsmb, smbus_driver, smbus_devclass, 0, 0);
642
643 MODULE_DEPEND(nfsmb, pci, 1, 1, 1);
644 MODULE_DEPEND(nfsmb, smbus, SMBUS_MINVER, SMBUS_PREFVER, SMBUS_MAXVER);
645 MODULE_VERSION(nfsmb, 1);
646
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