FreeBSD/Linux Kernel Cross Reference
sys/dev/sound/isa/sbc.c
1 /*-
2 * Copyright (c) 1999 Seigo Tanimura
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 <dev/sound/chip.h>
28 #include <dev/sound/pcm/sound.h>
29 #include <dev/sound/isa/sb.h>
30
31 #include <isa/isavar.h>
32
33 SND_DECLARE_FILE("$FreeBSD: releng/6.3/sys/dev/sound/isa/sbc.c 153901 2005-12-30 19:55:55Z netchild $");
34
35 #define IO_MAX 3
36 #define IRQ_MAX 1
37 #define DRQ_MAX 2
38 #define INTR_MAX 2
39
40 struct sbc_softc;
41
42 struct sbc_ihl {
43 driver_intr_t *intr[INTR_MAX];
44 void *intr_arg[INTR_MAX];
45 struct sbc_softc *parent;
46 };
47
48 /* Here is the parameter structure per a device. */
49 struct sbc_softc {
50 device_t dev; /* device */
51 device_t child_pcm, child_midi1, child_midi2;
52
53 int io_rid[IO_MAX]; /* io port rids */
54 struct resource *io[IO_MAX]; /* io port resources */
55 int io_alloced[IO_MAX]; /* io port alloc flag */
56
57 int irq_rid[IRQ_MAX]; /* irq rids */
58 struct resource *irq[IRQ_MAX]; /* irq resources */
59 int irq_alloced[IRQ_MAX]; /* irq alloc flag */
60
61 int drq_rid[DRQ_MAX]; /* drq rids */
62 struct resource *drq[DRQ_MAX]; /* drq resources */
63 int drq_alloced[DRQ_MAX]; /* drq alloc flag */
64
65 struct sbc_ihl ihl[IRQ_MAX];
66
67 void *ih[IRQ_MAX];
68
69 struct mtx *lock;
70
71 u_int32_t bd_ver;
72 };
73
74 static int sbc_probe(device_t dev);
75 static int sbc_attach(device_t dev);
76 static void sbc_intr(void *p);
77
78 static struct resource *sbc_alloc_resource(device_t bus, device_t child, int type, int *rid,
79 u_long start, u_long end, u_long count, u_int flags);
80 static int sbc_release_resource(device_t bus, device_t child, int type, int rid,
81 struct resource *r);
82 static int sbc_setup_intr(device_t dev, device_t child, struct resource *irq,
83 int flags, driver_intr_t *intr, void *arg,
84 void **cookiep);
85 static int sbc_teardown_intr(device_t dev, device_t child, struct resource *irq,
86 void *cookie);
87
88 static int alloc_resource(struct sbc_softc *scp);
89 static int release_resource(struct sbc_softc *scp);
90
91 static devclass_t sbc_devclass;
92
93 static int io_range[3] = {0x10, 0x2, 0x4};
94
95 #ifdef PC98 /* I/O address table for PC98 */
96 static bus_addr_t pcm_iat[] = {
97 0x000, 0x100, 0x200, 0x300, 0x400, 0x500, 0x600, 0x700,
98 0x800, 0x900, 0xa00, 0xb00, 0xc00, 0xd00, 0xe00, 0xf00
99 };
100 static bus_addr_t midi_iat[] = {
101 0x000, 0x100
102 };
103 static bus_addr_t opl_iat[] = {
104 0x000, 0x100, 0x200, 0x300
105 };
106 static bus_addr_t *sb_iat[] = { pcm_iat, midi_iat, opl_iat };
107 #endif
108
109 static int sb_rd(struct resource *io, int reg);
110 static void sb_wr(struct resource *io, int reg, u_int8_t val);
111 static int sb_dspready(struct resource *io);
112 static int sb_cmd(struct resource *io, u_char val);
113 static u_int sb_get_byte(struct resource *io);
114 static void sb_setmixer(struct resource *io, u_int port, u_int value);
115
116 static void
117 sbc_lockinit(struct sbc_softc *scp)
118 {
119 scp->lock = snd_mtxcreate(device_get_nameunit(scp->dev), "sound softc");
120 }
121
122 static void
123 sbc_lockdestroy(struct sbc_softc *scp)
124 {
125 snd_mtxfree(scp->lock);
126 }
127
128 void
129 sbc_lock(struct sbc_softc *scp)
130 {
131 snd_mtxlock(scp->lock);
132 }
133
134 void
135 sbc_lockassert(struct sbc_softc *scp)
136 {
137 snd_mtxassert(scp->lock);
138 }
139
140 void
141 sbc_unlock(struct sbc_softc *scp)
142 {
143 snd_mtxunlock(scp->lock);
144 }
145
146 static int
147 sb_rd(struct resource *io, int reg)
148 {
149 return bus_space_read_1(rman_get_bustag(io),
150 rman_get_bushandle(io),
151 reg);
152 }
153
154 static void
155 sb_wr(struct resource *io, int reg, u_int8_t val)
156 {
157 bus_space_write_1(rman_get_bustag(io),
158 rman_get_bushandle(io),
159 reg, val);
160 }
161
162 static int
163 sb_dspready(struct resource *io)
164 {
165 return ((sb_rd(io, SBDSP_STATUS) & 0x80) == 0);
166 }
167
168 static int
169 sb_dspwr(struct resource *io, u_char val)
170 {
171 int i;
172
173 for (i = 0; i < 1000; i++) {
174 if (sb_dspready(io)) {
175 sb_wr(io, SBDSP_CMD, val);
176 return 1;
177 }
178 if (i > 10) DELAY((i > 100)? 1000 : 10);
179 }
180 printf("sb_dspwr(0x%02x) timed out.\n", val);
181 return 0;
182 }
183
184 static int
185 sb_cmd(struct resource *io, u_char val)
186 {
187 return sb_dspwr(io, val);
188 }
189
190 static void
191 sb_setmixer(struct resource *io, u_int port, u_int value)
192 {
193 u_long flags;
194
195 flags = spltty();
196 sb_wr(io, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
197 DELAY(10);
198 sb_wr(io, SB_MIX_DATA, (u_char) (value & 0xff));
199 DELAY(10);
200 splx(flags);
201 }
202
203 static u_int
204 sb_get_byte(struct resource *io)
205 {
206 int i;
207
208 for (i = 1000; i > 0; i--) {
209 if (sb_rd(io, DSP_DATA_AVAIL) & 0x80)
210 return sb_rd(io, DSP_READ);
211 else
212 DELAY(20);
213 }
214 return 0xffff;
215 }
216
217 static int
218 sb_reset_dsp(struct resource *io)
219 {
220 sb_wr(io, SBDSP_RST, 3);
221 DELAY(100);
222 sb_wr(io, SBDSP_RST, 0);
223 return (sb_get_byte(io) == 0xAA)? 0 : ENXIO;
224 }
225
226 static int
227 sb_identify_board(struct resource *io)
228 {
229 int ver, essver, rev;
230
231 sb_cmd(io, DSP_CMD_GETVER); /* Get version */
232 ver = (sb_get_byte(io) << 8) | sb_get_byte(io);
233 if (ver < 0x100 || ver > 0x4ff) return 0;
234 if (ver == 0x0301) {
235 /* Try to detect ESS chips. */
236 sb_cmd(io, DSP_CMD_GETID); /* Return ident. bytes. */
237 essver = (sb_get_byte(io) << 8) | sb_get_byte(io);
238 rev = essver & 0x000f;
239 essver &= 0xfff0;
240 if (essver == 0x4880) ver |= 0x1000;
241 else if (essver == 0x6880) ver = 0x0500 | rev;
242 }
243 return ver;
244 }
245
246 static struct isa_pnp_id sbc_ids[] = {
247 {0x01008c0e, "Creative ViBRA16C"}, /* CTL0001 */
248 {0x31008c0e, "Creative SB16/SB32"}, /* CTL0031 */
249 {0x41008c0e, "Creative SB16/SB32"}, /* CTL0041 */
250 {0x42008c0e, "Creative SB AWE64"}, /* CTL0042 */
251 {0x43008c0e, "Creative ViBRA16X"}, /* CTL0043 */
252 {0x44008c0e, "Creative SB AWE64 Gold"}, /* CTL0044 */
253 {0x45008c0e, "Creative SB AWE64"}, /* CTL0045 */
254 {0x46008c0e, "Creative SB AWE64"}, /* CTL0046 */
255
256 {0x01000000, "Avance Logic ALS100+"}, /* @@@0001 - ViBRA16X clone */
257 {0x01100000, "Avance Asound 110"}, /* @@@1001 */
258 {0x01200000, "Avance Logic ALS120"}, /* @@@2001 - ViBRA16X clone */
259
260 {0x81167316, "ESS ES1681"}, /* ESS1681 */
261 {0x02017316, "ESS ES1688"}, /* ESS1688 */
262 {0x68097316, "ESS ES1688"}, /* ESS1688 */
263 {0x68187316, "ESS ES1868"}, /* ESS1868 */
264 {0x03007316, "ESS ES1869"}, /* ESS1869 */
265 {0x69187316, "ESS ES1869"}, /* ESS1869 */
266 {0xabb0110e, "ESS ES1869 (Compaq OEM)"}, /* CPQb0ab */
267 {0xacb0110e, "ESS ES1869 (Compaq OEM)"}, /* CPQb0ac */
268 {0x78187316, "ESS ES1878"}, /* ESS1878 */
269 {0x79187316, "ESS ES1879"}, /* ESS1879 */
270 {0x88187316, "ESS ES1888"}, /* ESS1888 */
271 {0x07017316, "ESS ES1888 (DEC OEM)"}, /* ESS0107 */
272 {0x06017316, "ESS ES1888 (Dell OEM)"}, /* ESS0106 */
273 {0}
274 };
275
276 static int
277 sbc_probe(device_t dev)
278 {
279 char *s = NULL;
280 u_int32_t lid, vid;
281
282 lid = isa_get_logicalid(dev);
283 vid = isa_get_vendorid(dev);
284 if (lid) {
285 if (lid == 0x01000000 && vid != 0x01009305) /* ALS0001 */
286 return ENXIO;
287 /* Check pnp ids */
288 return ISA_PNP_PROBE(device_get_parent(dev), dev, sbc_ids);
289 } else {
290 int rid = 0, ver;
291 struct resource *io;
292
293 #ifdef PC98
294 io = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &rid,
295 pcm_iat, 16, RF_ACTIVE);
296 #else
297 io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
298 0, ~0, 16, RF_ACTIVE);
299 #endif
300 if (!io) goto bad;
301 #ifdef PC98
302 isa_load_resourcev(io, pcm_iat, 16);
303 #endif
304 if (sb_reset_dsp(io)) goto bad2;
305 ver = sb_identify_board(io);
306 if (ver == 0) goto bad2;
307 switch ((ver & 0x00000f00) >> 8) {
308 case 1:
309 device_set_desc(dev, "SoundBlaster 1.0 (not supported)");
310 s = NULL;
311 break;
312
313 case 2:
314 s = "SoundBlaster 2.0";
315 break;
316
317 case 3:
318 s = (ver & 0x0000f000)? "ESS 488" : "SoundBlaster Pro";
319 break;
320
321 case 4:
322 s = "SoundBlaster 16";
323 break;
324
325 case 5:
326 s = (ver & 0x00000008)? "ESS 688" : "ESS 1688";
327 break;
328 }
329 if (s) device_set_desc(dev, s);
330 bad2: bus_release_resource(dev, SYS_RES_IOPORT, rid, io);
331 bad: return s? 0 : ENXIO;
332 }
333 }
334
335 static int
336 sbc_attach(device_t dev)
337 {
338 char *err = NULL;
339 struct sbc_softc *scp;
340 struct sndcard_func *func;
341 u_int32_t logical_id = isa_get_logicalid(dev);
342 int flags = device_get_flags(dev);
343 int f, dh, dl, x, irq, i;
344
345 if (!logical_id && (flags & DV_F_DUAL_DMA)) {
346 bus_set_resource(dev, SYS_RES_DRQ, 1,
347 flags & DV_F_DRQ_MASK, 1);
348 }
349
350 scp = device_get_softc(dev);
351 bzero(scp, sizeof(*scp));
352 scp->dev = dev;
353 sbc_lockinit(scp);
354 err = "alloc_resource";
355 if (alloc_resource(scp)) goto bad;
356
357 err = "sb_reset_dsp";
358 if (sb_reset_dsp(scp->io[0])) goto bad;
359 err = "sb_identify_board";
360 scp->bd_ver = sb_identify_board(scp->io[0]) & 0x00000fff;
361 if (scp->bd_ver == 0) goto bad;
362 f = 0;
363 if (logical_id == 0x01200000 && scp->bd_ver < 0x0400) scp->bd_ver = 0x0499;
364 switch ((scp->bd_ver & 0x0f00) >> 8) {
365 case 1: /* old sound blaster has nothing... */
366 break;
367
368 case 2:
369 f |= BD_F_DUP_MIDI;
370 if (scp->bd_ver > 0x200) f |= BD_F_MIX_CT1335;
371 break;
372
373 case 5:
374 f |= BD_F_ESS;
375 scp->bd_ver = 0x0301;
376 case 3:
377 f |= BD_F_DUP_MIDI | BD_F_MIX_CT1345;
378 break;
379
380 case 4:
381 f |= BD_F_SB16 | BD_F_MIX_CT1745;
382 if (scp->drq[0]) dl = rman_get_start(scp->drq[0]); else dl = -1;
383 if (scp->drq[1]) dh = rman_get_start(scp->drq[1]); else dh = dl;
384 if (!logical_id && (dh < dl)) {
385 struct resource *r;
386 r = scp->drq[0];
387 scp->drq[0] = scp->drq[1];
388 scp->drq[1] = r;
389 dl = rman_get_start(scp->drq[0]);
390 dh = rman_get_start(scp->drq[1]);
391 }
392 /* soft irq/dma configuration */
393 x = -1;
394 irq = rman_get_start(scp->irq[0]);
395 #ifdef PC98
396 /* SB16 in PC98 use different IRQ table */
397 if (irq == 3) x = 1;
398 else if (irq == 5) x = 8;
399 else if (irq == 10) x = 2;
400 else if (irq == 12) x = 4;
401 if (x == -1) {
402 err = "bad irq (3/5/10/12 valid)";
403 goto bad;
404 }
405 else sb_setmixer(scp->io[0], IRQ_NR, x);
406 /* SB16 in PC98 use different dma setting */
407 sb_setmixer(scp->io[0], DMA_NR, dh == 0 ? 1 : 2);
408 #else
409 if (irq == 5) x = 2;
410 else if (irq == 7) x = 4;
411 else if (irq == 9) x = 1;
412 else if (irq == 10) x = 8;
413 if (x == -1) {
414 err = "bad irq (5/7/9/10 valid)";
415 goto bad;
416 }
417 else sb_setmixer(scp->io[0], IRQ_NR, x);
418 sb_setmixer(scp->io[0], DMA_NR, (1 << dh) | (1 << dl));
419 #endif
420 if (bootverbose) {
421 device_printf(dev, "setting card to irq %d, drq %d", irq, dl);
422 if (dl != dh) printf(", %d", dh);
423 printf("\n");
424 }
425 break;
426 }
427
428 switch (logical_id) {
429 case 0x43008c0e: /* CTL0043 */
430 case 0x01200000:
431 case 0x01000000:
432 f |= BD_F_SB16X;
433 break;
434 }
435 scp->bd_ver |= f << 16;
436
437 err = "setup_intr";
438 for (i = 0; i < IRQ_MAX; i++) {
439 scp->ihl[i].parent = scp;
440 if (snd_setup_intr(dev, scp->irq[i], 0, sbc_intr, &scp->ihl[i], &scp->ih[i]))
441 goto bad;
442 }
443
444 /* PCM Audio */
445 func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
446 if (func == NULL) goto bad;
447 func->func = SCF_PCM;
448 scp->child_pcm = device_add_child(dev, "pcm", -1);
449 device_set_ivars(scp->child_pcm, func);
450
451 /* Midi Interface */
452 func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
453 if (func == NULL) goto bad;
454 func->func = SCF_MIDI;
455 scp->child_midi1 = device_add_child(dev, "midi", -1);
456 device_set_ivars(scp->child_midi1, func);
457
458 /* OPL FM Synthesizer */
459 func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
460 if (func == NULL) goto bad;
461 func->func = SCF_SYNTH;
462 scp->child_midi2 = device_add_child(dev, "midi", -1);
463 device_set_ivars(scp->child_midi2, func);
464
465 /* probe/attach kids */
466 bus_generic_attach(dev);
467
468 return (0);
469
470 bad: if (err) device_printf(dev, "%s\n", err);
471 release_resource(scp);
472 return (ENXIO);
473 }
474
475 static int
476 sbc_detach(device_t dev)
477 {
478 struct sbc_softc *scp = device_get_softc(dev);
479
480 sbc_lock(scp);
481 device_delete_child(dev, scp->child_midi2);
482 device_delete_child(dev, scp->child_midi1);
483 device_delete_child(dev, scp->child_pcm);
484 release_resource(scp);
485 sbc_lockdestroy(scp);
486 return bus_generic_detach(dev);
487 }
488
489 static void
490 sbc_intr(void *p)
491 {
492 struct sbc_ihl *ihl = p;
493 int i;
494
495 /* sbc_lock(ihl->parent); */
496 i = 0;
497 while (i < INTR_MAX) {
498 if (ihl->intr[i] != NULL) ihl->intr[i](ihl->intr_arg[i]);
499 i++;
500 }
501 /* sbc_unlock(ihl->parent); */
502 }
503
504 static int
505 sbc_setup_intr(device_t dev, device_t child, struct resource *irq,
506 int flags, driver_intr_t *intr, void *arg,
507 void **cookiep)
508 {
509 struct sbc_softc *scp = device_get_softc(dev);
510 struct sbc_ihl *ihl = NULL;
511 int i, ret;
512
513 sbc_lock(scp);
514 i = 0;
515 while (i < IRQ_MAX) {
516 if (irq == scp->irq[i]) ihl = &scp->ihl[i];
517 i++;
518 }
519 ret = 0;
520 if (ihl == NULL) ret = EINVAL;
521 i = 0;
522 while ((ret == 0) && (i < INTR_MAX)) {
523 if (ihl->intr[i] == NULL) {
524 ihl->intr[i] = intr;
525 ihl->intr_arg[i] = arg;
526 *cookiep = &ihl->intr[i];
527 ret = -1;
528 } else i++;
529 }
530 sbc_unlock(scp);
531 return (ret > 0)? EINVAL : 0;
532 }
533
534 static int
535 sbc_teardown_intr(device_t dev, device_t child, struct resource *irq,
536 void *cookie)
537 {
538 struct sbc_softc *scp = device_get_softc(dev);
539 struct sbc_ihl *ihl = NULL;
540 int i, ret;
541
542 sbc_lock(scp);
543 i = 0;
544 while (i < IRQ_MAX) {
545 if (irq == scp->irq[i]) ihl = &scp->ihl[i];
546 i++;
547 }
548 ret = 0;
549 if (ihl == NULL) ret = EINVAL;
550 i = 0;
551 while ((ret == 0) && (i < INTR_MAX)) {
552 if (cookie == &ihl->intr[i]) {
553 ihl->intr[i] = NULL;
554 ihl->intr_arg[i] = NULL;
555 return 0;
556 } else i++;
557 }
558 sbc_unlock(scp);
559 return (ret > 0)? EINVAL : 0;
560 }
561
562 static struct resource *
563 sbc_alloc_resource(device_t bus, device_t child, int type, int *rid,
564 u_long start, u_long end, u_long count, u_int flags)
565 {
566 struct sbc_softc *scp;
567 int *alloced, rid_max, alloced_max;
568 struct resource **res;
569 #ifdef PC98
570 int i;
571 #endif
572
573 scp = device_get_softc(bus);
574 switch (type) {
575 case SYS_RES_IOPORT:
576 alloced = scp->io_alloced;
577 res = scp->io;
578 #ifdef PC98
579 rid_max = 0;
580 for (i = 0; i < IO_MAX; i++)
581 rid_max += io_range[i];
582 #else
583 rid_max = IO_MAX - 1;
584 #endif
585 alloced_max = 1;
586 break;
587 case SYS_RES_DRQ:
588 alloced = scp->drq_alloced;
589 res = scp->drq;
590 rid_max = DRQ_MAX - 1;
591 alloced_max = 1;
592 break;
593 case SYS_RES_IRQ:
594 alloced = scp->irq_alloced;
595 res = scp->irq;
596 rid_max = IRQ_MAX - 1;
597 alloced_max = INTR_MAX; /* pcm and mpu may share the irq. */
598 break;
599 default:
600 return (NULL);
601 }
602
603 if (*rid > rid_max || alloced[*rid] == alloced_max)
604 return (NULL);
605
606 alloced[*rid]++;
607 return (res[*rid]);
608 }
609
610 static int
611 sbc_release_resource(device_t bus, device_t child, int type, int rid,
612 struct resource *r)
613 {
614 struct sbc_softc *scp;
615 int *alloced, rid_max;
616
617 scp = device_get_softc(bus);
618 switch (type) {
619 case SYS_RES_IOPORT:
620 alloced = scp->io_alloced;
621 rid_max = IO_MAX - 1;
622 break;
623 case SYS_RES_DRQ:
624 alloced = scp->drq_alloced;
625 rid_max = DRQ_MAX - 1;
626 break;
627 case SYS_RES_IRQ:
628 alloced = scp->irq_alloced;
629 rid_max = IRQ_MAX - 1;
630 break;
631 default:
632 return (1);
633 }
634
635 if (rid > rid_max || alloced[rid] == 0)
636 return (1);
637
638 alloced[rid]--;
639 return (0);
640 }
641
642 static int
643 sbc_read_ivar(device_t bus, device_t dev, int index, uintptr_t * result)
644 {
645 struct sbc_softc *scp = device_get_softc(bus);
646 struct sndcard_func *func = device_get_ivars(dev);
647
648 switch (index) {
649 case 0:
650 *result = func->func;
651 break;
652
653 case 1:
654 *result = scp->bd_ver;
655 break;
656
657 default:
658 return ENOENT;
659 }
660
661 return 0;
662 }
663
664 static int
665 sbc_write_ivar(device_t bus, device_t dev,
666 int index, uintptr_t value)
667 {
668 switch (index) {
669 case 0:
670 case 1:
671 return EINVAL;
672
673 default:
674 return (ENOENT);
675 }
676 }
677
678 static int
679 alloc_resource(struct sbc_softc *scp)
680 {
681 int i;
682
683 for (i = 0 ; i < IO_MAX ; i++) {
684 if (scp->io[i] == NULL) {
685 #ifdef PC98
686 scp->io_rid[i] = i > 0 ?
687 scp->io_rid[i - 1] + io_range[i - 1] : 0;
688 scp->io[i] = isa_alloc_resourcev(scp->dev,
689 SYS_RES_IOPORT,
690 &scp->io_rid[i],
691 sb_iat[i],
692 io_range[i],
693 RF_ACTIVE);
694 if (scp->io[i] != NULL)
695 isa_load_resourcev(scp->io[i], sb_iat[i],
696 io_range[i]);
697 #else
698 scp->io_rid[i] = i;
699 scp->io[i] = bus_alloc_resource(scp->dev, SYS_RES_IOPORT, &scp->io_rid[i],
700 0, ~0, io_range[i], RF_ACTIVE);
701 #endif
702 if (i == 0 && scp->io[i] == NULL)
703 return (1);
704 scp->io_alloced[i] = 0;
705 }
706 }
707 for (i = 0 ; i < DRQ_MAX ; i++) {
708 if (scp->drq[i] == NULL) {
709 scp->drq_rid[i] = i;
710 scp->drq[i] = bus_alloc_resource_any(scp->dev,
711 SYS_RES_DRQ,
712 &scp->drq_rid[i],
713 RF_ACTIVE);
714 if (i == 0 && scp->drq[i] == NULL)
715 return (1);
716 scp->drq_alloced[i] = 0;
717 }
718 }
719 for (i = 0 ; i < IRQ_MAX ; i++) {
720 if (scp->irq[i] == NULL) {
721 scp->irq_rid[i] = i;
722 scp->irq[i] = bus_alloc_resource_any(scp->dev,
723 SYS_RES_IRQ,
724 &scp->irq_rid[i],
725 RF_ACTIVE);
726 if (i == 0 && scp->irq[i] == NULL)
727 return (1);
728 scp->irq_alloced[i] = 0;
729 }
730 }
731 return (0);
732 }
733
734 static int
735 release_resource(struct sbc_softc *scp)
736 {
737 int i;
738
739 for (i = 0 ; i < IO_MAX ; i++) {
740 if (scp->io[i] != NULL) {
741 bus_release_resource(scp->dev, SYS_RES_IOPORT, scp->io_rid[i], scp->io[i]);
742 scp->io[i] = NULL;
743 }
744 }
745 for (i = 0 ; i < DRQ_MAX ; i++) {
746 if (scp->drq[i] != NULL) {
747 bus_release_resource(scp->dev, SYS_RES_DRQ, scp->drq_rid[i], scp->drq[i]);
748 scp->drq[i] = NULL;
749 }
750 }
751 for (i = 0 ; i < IRQ_MAX ; i++) {
752 if (scp->irq[i] != NULL) {
753 if (scp->ih[i] != NULL)
754 bus_teardown_intr(scp->dev, scp->irq[i], scp->ih[i]);
755 scp->ih[i] = NULL;
756 bus_release_resource(scp->dev, SYS_RES_IRQ, scp->irq_rid[i], scp->irq[i]);
757 scp->irq[i] = NULL;
758 }
759 }
760 return (0);
761 }
762
763 static device_method_t sbc_methods[] = {
764 /* Device interface */
765 DEVMETHOD(device_probe, sbc_probe),
766 DEVMETHOD(device_attach, sbc_attach),
767 DEVMETHOD(device_detach, sbc_detach),
768 DEVMETHOD(device_shutdown, bus_generic_shutdown),
769 DEVMETHOD(device_suspend, bus_generic_suspend),
770 DEVMETHOD(device_resume, bus_generic_resume),
771
772 /* Bus interface */
773 DEVMETHOD(bus_read_ivar, sbc_read_ivar),
774 DEVMETHOD(bus_write_ivar, sbc_write_ivar),
775 DEVMETHOD(bus_print_child, bus_generic_print_child),
776 DEVMETHOD(bus_alloc_resource, sbc_alloc_resource),
777 DEVMETHOD(bus_release_resource, sbc_release_resource),
778 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
779 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
780 DEVMETHOD(bus_setup_intr, sbc_setup_intr),
781 DEVMETHOD(bus_teardown_intr, sbc_teardown_intr),
782
783 { 0, 0 }
784 };
785
786 static driver_t sbc_driver = {
787 "sbc",
788 sbc_methods,
789 sizeof(struct sbc_softc),
790 };
791
792 /* sbc can be attached to an isa bus. */
793 DRIVER_MODULE(snd_sbc, isa, sbc_driver, sbc_devclass, 0, 0);
794 DRIVER_MODULE(snd_sbc, acpi, sbc_driver, sbc_devclass, 0, 0);
795 MODULE_DEPEND(snd_sbc, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
796 MODULE_VERSION(snd_sbc, 1);
Cache object: 504f391ca7713c62a05e6f7c93e5d656
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