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/5.3/sys/dev/sound/isa/sbc.c 136536 2004-10-15 05:14:10Z njl $");
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 {0x68187316, "ESS ES1868"}, /* ESS1868 */
263 {0x03007316, "ESS ES1869"}, /* ESS1869 */
264 {0x69187316, "ESS ES1869"}, /* ESS1869 */
265 {0xabb0110e, "ESS ES1869 (Compaq OEM)"}, /* CPQb0ab */
266 {0xacb0110e, "ESS ES1869 (Compaq OEM)"}, /* CPQb0ac */
267 {0x78187316, "ESS ES1878"}, /* ESS1878 */
268 {0x79187316, "ESS ES1879"}, /* ESS1879 */
269 {0x88187316, "ESS ES1888"}, /* ESS1888 */
270 {0x07017316, "ESS ES1888 (DEC OEM)"}, /* ESS0107 */
271 {0x06017316, "ESS ES1888 (Dell OEM)"}, /* ESS0106 */
272 {0}
273 };
274
275 static int
276 sbc_probe(device_t dev)
277 {
278 char *s = NULL;
279 u_int32_t lid, vid;
280
281 lid = isa_get_logicalid(dev);
282 vid = isa_get_vendorid(dev);
283 if (lid) {
284 if (lid == 0x01000000 && vid != 0x01009305) /* ALS0001 */
285 return ENXIO;
286 /* Check pnp ids */
287 return ISA_PNP_PROBE(device_get_parent(dev), dev, sbc_ids);
288 } else {
289 int rid = 0, ver;
290 struct resource *io;
291
292 #ifdef PC98
293 io = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &rid,
294 pcm_iat, 16, RF_ACTIVE);
295 #else
296 io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
297 0, ~0, 16, RF_ACTIVE);
298 #endif
299 if (!io) goto bad;
300 #ifdef PC98
301 isa_load_resourcev(io, pcm_iat, 16);
302 #endif
303 if (sb_reset_dsp(io)) goto bad2;
304 ver = sb_identify_board(io);
305 if (ver == 0) goto bad2;
306 switch ((ver & 0x00000f00) >> 8) {
307 case 1:
308 device_set_desc(dev, "SoundBlaster 1.0 (not supported)");
309 s = NULL;
310 break;
311
312 case 2:
313 s = "SoundBlaster 2.0";
314 break;
315
316 case 3:
317 s = (ver & 0x0000f000)? "ESS 488" : "SoundBlaster Pro";
318 break;
319
320 case 4:
321 s = "SoundBlaster 16";
322 break;
323
324 case 5:
325 s = (ver & 0x00000008)? "ESS 688" : "ESS 1688";
326 break;
327 }
328 if (s) device_set_desc(dev, s);
329 bad2: bus_release_resource(dev, SYS_RES_IOPORT, rid, io);
330 bad: return s? 0 : ENXIO;
331 }
332 }
333
334 static int
335 sbc_attach(device_t dev)
336 {
337 char *err = NULL;
338 struct sbc_softc *scp;
339 struct sndcard_func *func;
340 u_int32_t logical_id = isa_get_logicalid(dev);
341 int flags = device_get_flags(dev);
342 int f, dh, dl, x, irq, i;
343
344 if (!logical_id && (flags & DV_F_DUAL_DMA)) {
345 bus_set_resource(dev, SYS_RES_DRQ, 1,
346 flags & DV_F_DRQ_MASK, 1);
347 }
348
349 scp = device_get_softc(dev);
350 bzero(scp, sizeof(*scp));
351 scp->dev = dev;
352 sbc_lockinit(scp);
353 err = "alloc_resource";
354 if (alloc_resource(scp)) goto bad;
355
356 err = "sb_reset_dsp";
357 if (sb_reset_dsp(scp->io[0])) goto bad;
358 err = "sb_identify_board";
359 scp->bd_ver = sb_identify_board(scp->io[0]) & 0x00000fff;
360 if (scp->bd_ver == 0) goto bad;
361 f = 0;
362 if (logical_id == 0x01200000 && scp->bd_ver < 0x0400) scp->bd_ver = 0x0499;
363 switch ((scp->bd_ver & 0x0f00) >> 8) {
364 case 1: /* old sound blaster has nothing... */
365 break;
366
367 case 2:
368 f |= BD_F_DUP_MIDI;
369 if (scp->bd_ver > 0x200) f |= BD_F_MIX_CT1335;
370 break;
371
372 case 5:
373 f |= BD_F_ESS;
374 scp->bd_ver = 0x0301;
375 case 3:
376 f |= BD_F_DUP_MIDI | BD_F_MIX_CT1345;
377 break;
378
379 case 4:
380 f |= BD_F_SB16 | BD_F_MIX_CT1745;
381 if (scp->drq[0]) dl = rman_get_start(scp->drq[0]); else dl = -1;
382 if (scp->drq[1]) dh = rman_get_start(scp->drq[1]); else dh = dl;
383 if (!logical_id && (dh < dl)) {
384 struct resource *r;
385 r = scp->drq[0];
386 scp->drq[0] = scp->drq[1];
387 scp->drq[1] = r;
388 dl = rman_get_start(scp->drq[0]);
389 dh = rman_get_start(scp->drq[1]);
390 }
391 /* soft irq/dma configuration */
392 x = -1;
393 irq = rman_get_start(scp->irq[0]);
394 #ifdef PC98
395 /* SB16 in PC98 use different IRQ table */
396 if (irq == 3) x = 1;
397 else if (irq == 5) x = 8;
398 else if (irq == 10) x = 2;
399 else if (irq == 12) x = 4;
400 if (x == -1) {
401 err = "bad irq (3/5/10/12 valid)";
402 goto bad;
403 }
404 else sb_setmixer(scp->io[0], IRQ_NR, x);
405 /* SB16 in PC98 use different dma setting */
406 sb_setmixer(scp->io[0], DMA_NR, dh == 0 ? 1 : 2);
407 #else
408 if (irq == 5) x = 2;
409 else if (irq == 7) x = 4;
410 else if (irq == 9) x = 1;
411 else if (irq == 10) x = 8;
412 if (x == -1) {
413 err = "bad irq (5/7/9/10 valid)";
414 goto bad;
415 }
416 else sb_setmixer(scp->io[0], IRQ_NR, x);
417 sb_setmixer(scp->io[0], DMA_NR, (1 << dh) | (1 << dl));
418 #endif
419 if (bootverbose) {
420 device_printf(dev, "setting card to irq %d, drq %d", irq, dl);
421 if (dl != dh) printf(", %d", dh);
422 printf("\n");
423 }
424 break;
425 }
426
427 switch (logical_id) {
428 case 0x43008c0e: /* CTL0043 */
429 case 0x01200000:
430 case 0x01000000:
431 f |= BD_F_SB16X;
432 break;
433 }
434 scp->bd_ver |= f << 16;
435
436 err = "setup_intr";
437 for (i = 0; i < IRQ_MAX; i++) {
438 scp->ihl[i].parent = scp;
439 if (snd_setup_intr(dev, scp->irq[i], 0, sbc_intr, &scp->ihl[i], &scp->ih[i]))
440 goto bad;
441 }
442
443 /* PCM Audio */
444 func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
445 if (func == NULL) goto bad;
446 func->func = SCF_PCM;
447 scp->child_pcm = device_add_child(dev, "pcm", -1);
448 device_set_ivars(scp->child_pcm, func);
449
450 /* Midi Interface */
451 func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
452 if (func == NULL) goto bad;
453 func->func = SCF_MIDI;
454 scp->child_midi1 = device_add_child(dev, "midi", -1);
455 device_set_ivars(scp->child_midi1, func);
456
457 /* OPL FM Synthesizer */
458 func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
459 if (func == NULL) goto bad;
460 func->func = SCF_SYNTH;
461 scp->child_midi2 = device_add_child(dev, "midi", -1);
462 device_set_ivars(scp->child_midi2, func);
463
464 /* probe/attach kids */
465 bus_generic_attach(dev);
466
467 return (0);
468
469 bad: if (err) device_printf(dev, "%s\n", err);
470 release_resource(scp);
471 return (ENXIO);
472 }
473
474 static int
475 sbc_detach(device_t dev)
476 {
477 struct sbc_softc *scp = device_get_softc(dev);
478
479 sbc_lock(scp);
480 device_delete_child(dev, scp->child_midi2);
481 device_delete_child(dev, scp->child_midi1);
482 device_delete_child(dev, scp->child_pcm);
483 release_resource(scp);
484 sbc_lockdestroy(scp);
485 return bus_generic_detach(dev);
486 }
487
488 static void
489 sbc_intr(void *p)
490 {
491 struct sbc_ihl *ihl = p;
492 int i;
493
494 /* sbc_lock(ihl->parent); */
495 i = 0;
496 while (i < INTR_MAX) {
497 if (ihl->intr[i] != NULL) ihl->intr[i](ihl->intr_arg[i]);
498 i++;
499 }
500 /* sbc_unlock(ihl->parent); */
501 }
502
503 static int
504 sbc_setup_intr(device_t dev, device_t child, struct resource *irq,
505 int flags, driver_intr_t *intr, void *arg,
506 void **cookiep)
507 {
508 struct sbc_softc *scp = device_get_softc(dev);
509 struct sbc_ihl *ihl = NULL;
510 int i, ret;
511
512 sbc_lock(scp);
513 i = 0;
514 while (i < IRQ_MAX) {
515 if (irq == scp->irq[i]) ihl = &scp->ihl[i];
516 i++;
517 }
518 ret = 0;
519 if (ihl == NULL) ret = EINVAL;
520 i = 0;
521 while ((ret == 0) && (i < INTR_MAX)) {
522 if (ihl->intr[i] == NULL) {
523 ihl->intr[i] = intr;
524 ihl->intr_arg[i] = arg;
525 *cookiep = &ihl->intr[i];
526 ret = -1;
527 } else i++;
528 }
529 sbc_unlock(scp);
530 return (ret > 0)? EINVAL : 0;
531 }
532
533 static int
534 sbc_teardown_intr(device_t dev, device_t child, struct resource *irq,
535 void *cookie)
536 {
537 struct sbc_softc *scp = device_get_softc(dev);
538 struct sbc_ihl *ihl = NULL;
539 int i, ret;
540
541 sbc_lock(scp);
542 i = 0;
543 while (i < IRQ_MAX) {
544 if (irq == scp->irq[i]) ihl = &scp->ihl[i];
545 i++;
546 }
547 ret = 0;
548 if (ihl == NULL) ret = EINVAL;
549 i = 0;
550 while ((ret == 0) && (i < INTR_MAX)) {
551 if (cookie == &ihl->intr[i]) {
552 ihl->intr[i] = NULL;
553 ihl->intr_arg[i] = NULL;
554 return 0;
555 } else i++;
556 }
557 sbc_unlock(scp);
558 return (ret > 0)? EINVAL : 0;
559 }
560
561 static struct resource *
562 sbc_alloc_resource(device_t bus, device_t child, int type, int *rid,
563 u_long start, u_long end, u_long count, u_int flags)
564 {
565 struct sbc_softc *scp;
566 int *alloced, rid_max, alloced_max;
567 struct resource **res;
568 #ifdef PC98
569 int i;
570 #endif
571
572 scp = device_get_softc(bus);
573 switch (type) {
574 case SYS_RES_IOPORT:
575 alloced = scp->io_alloced;
576 res = scp->io;
577 #ifdef PC98
578 rid_max = 0;
579 for (i = 0; i < IO_MAX; i++)
580 rid_max += io_range[i];
581 #else
582 rid_max = IO_MAX - 1;
583 #endif
584 alloced_max = 1;
585 break;
586 case SYS_RES_DRQ:
587 alloced = scp->drq_alloced;
588 res = scp->drq;
589 rid_max = DRQ_MAX - 1;
590 alloced_max = 1;
591 break;
592 case SYS_RES_IRQ:
593 alloced = scp->irq_alloced;
594 res = scp->irq;
595 rid_max = IRQ_MAX - 1;
596 alloced_max = INTR_MAX; /* pcm and mpu may share the irq. */
597 break;
598 default:
599 return (NULL);
600 }
601
602 if (*rid > rid_max || alloced[*rid] == alloced_max)
603 return (NULL);
604
605 alloced[*rid]++;
606 return (res[*rid]);
607 }
608
609 static int
610 sbc_release_resource(device_t bus, device_t child, int type, int rid,
611 struct resource *r)
612 {
613 struct sbc_softc *scp;
614 int *alloced, rid_max;
615
616 scp = device_get_softc(bus);
617 switch (type) {
618 case SYS_RES_IOPORT:
619 alloced = scp->io_alloced;
620 rid_max = IO_MAX - 1;
621 break;
622 case SYS_RES_DRQ:
623 alloced = scp->drq_alloced;
624 rid_max = DRQ_MAX - 1;
625 break;
626 case SYS_RES_IRQ:
627 alloced = scp->irq_alloced;
628 rid_max = IRQ_MAX - 1;
629 break;
630 default:
631 return (1);
632 }
633
634 if (rid > rid_max || alloced[rid] == 0)
635 return (1);
636
637 alloced[rid]--;
638 return (0);
639 }
640
641 static int
642 sbc_read_ivar(device_t bus, device_t dev, int index, uintptr_t * result)
643 {
644 struct sbc_softc *scp = device_get_softc(bus);
645 struct sndcard_func *func = device_get_ivars(dev);
646
647 switch (index) {
648 case 0:
649 *result = func->func;
650 break;
651
652 case 1:
653 *result = scp->bd_ver;
654 break;
655
656 default:
657 return ENOENT;
658 }
659
660 return 0;
661 }
662
663 static int
664 sbc_write_ivar(device_t bus, device_t dev,
665 int index, uintptr_t value)
666 {
667 switch (index) {
668 case 0:
669 case 1:
670 return EINVAL;
671
672 default:
673 return (ENOENT);
674 }
675 }
676
677 static int
678 alloc_resource(struct sbc_softc *scp)
679 {
680 int i;
681
682 for (i = 0 ; i < IO_MAX ; i++) {
683 if (scp->io[i] == NULL) {
684 #ifdef PC98
685 scp->io_rid[i] = i > 0 ?
686 scp->io_rid[i - 1] + io_range[i - 1] : 0;
687 scp->io[i] = isa_alloc_resourcev(scp->dev,
688 SYS_RES_IOPORT,
689 &scp->io_rid[i],
690 sb_iat[i],
691 io_range[i],
692 RF_ACTIVE);
693 if (scp->io[i] != NULL)
694 isa_load_resourcev(scp->io[i], sb_iat[i],
695 io_range[i]);
696 #else
697 scp->io_rid[i] = i;
698 scp->io[i] = bus_alloc_resource(scp->dev, SYS_RES_IOPORT, &scp->io_rid[i],
699 0, ~0, io_range[i], RF_ACTIVE);
700 #endif
701 if (i == 0 && scp->io[i] == NULL)
702 return (1);
703 scp->io_alloced[i] = 0;
704 }
705 }
706 for (i = 0 ; i < DRQ_MAX ; i++) {
707 if (scp->drq[i] == NULL) {
708 scp->drq_rid[i] = i;
709 scp->drq[i] = bus_alloc_resource_any(scp->dev,
710 SYS_RES_DRQ,
711 &scp->drq_rid[i],
712 RF_ACTIVE);
713 if (i == 0 && scp->drq[i] == NULL)
714 return (1);
715 scp->drq_alloced[i] = 0;
716 }
717 }
718 for (i = 0 ; i < IRQ_MAX ; i++) {
719 if (scp->irq[i] == NULL) {
720 scp->irq_rid[i] = i;
721 scp->irq[i] = bus_alloc_resource_any(scp->dev,
722 SYS_RES_IRQ,
723 &scp->irq_rid[i],
724 RF_ACTIVE);
725 if (i == 0 && scp->irq[i] == NULL)
726 return (1);
727 scp->irq_alloced[i] = 0;
728 }
729 }
730 return (0);
731 }
732
733 static int
734 release_resource(struct sbc_softc *scp)
735 {
736 int i;
737
738 for (i = 0 ; i < IO_MAX ; i++) {
739 if (scp->io[i] != NULL) {
740 bus_release_resource(scp->dev, SYS_RES_IOPORT, scp->io_rid[i], scp->io[i]);
741 scp->io[i] = NULL;
742 }
743 }
744 for (i = 0 ; i < DRQ_MAX ; i++) {
745 if (scp->drq[i] != NULL) {
746 bus_release_resource(scp->dev, SYS_RES_DRQ, scp->drq_rid[i], scp->drq[i]);
747 scp->drq[i] = NULL;
748 }
749 }
750 for (i = 0 ; i < IRQ_MAX ; i++) {
751 if (scp->irq[i] != NULL) {
752 if (scp->ih[i] != NULL)
753 bus_teardown_intr(scp->dev, scp->irq[i], scp->ih[i]);
754 scp->ih[i] = NULL;
755 bus_release_resource(scp->dev, SYS_RES_IRQ, scp->irq_rid[i], scp->irq[i]);
756 scp->irq[i] = NULL;
757 }
758 }
759 return (0);
760 }
761
762 static device_method_t sbc_methods[] = {
763 /* Device interface */
764 DEVMETHOD(device_probe, sbc_probe),
765 DEVMETHOD(device_attach, sbc_attach),
766 DEVMETHOD(device_detach, sbc_detach),
767 DEVMETHOD(device_shutdown, bus_generic_shutdown),
768 DEVMETHOD(device_suspend, bus_generic_suspend),
769 DEVMETHOD(device_resume, bus_generic_resume),
770
771 /* Bus interface */
772 DEVMETHOD(bus_read_ivar, sbc_read_ivar),
773 DEVMETHOD(bus_write_ivar, sbc_write_ivar),
774 DEVMETHOD(bus_print_child, bus_generic_print_child),
775 DEVMETHOD(bus_alloc_resource, sbc_alloc_resource),
776 DEVMETHOD(bus_release_resource, sbc_release_resource),
777 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
778 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
779 DEVMETHOD(bus_setup_intr, sbc_setup_intr),
780 DEVMETHOD(bus_teardown_intr, sbc_teardown_intr),
781
782 { 0, 0 }
783 };
784
785 static driver_t sbc_driver = {
786 "sbc",
787 sbc_methods,
788 sizeof(struct sbc_softc),
789 };
790
791 /* sbc can be attached to an isa bus. */
792 DRIVER_MODULE(snd_sbc, isa, sbc_driver, sbc_devclass, 0, 0);
793 DRIVER_MODULE(snd_sbc, acpi, sbc_driver, sbc_devclass, 0, 0);
794 MODULE_DEPEND(snd_sbc, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
795 MODULE_VERSION(snd_sbc, 1);
Cache object: e484c6a38ce9da1d07a533e84628814b
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