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 #ifdef HAVE_KERNEL_OPTION_HEADERS
28 #include "opt_snd.h"
29 #endif
30
31 #include <dev/sound/chip.h>
32 #include <dev/sound/pcm/sound.h>
33 #include <dev/sound/isa/sb.h>
34
35 #include <isa/isavar.h>
36
37 SND_DECLARE_FILE("$FreeBSD$");
38
39 #define IO_MAX 3
40 #define IRQ_MAX 1
41 #define DRQ_MAX 2
42 #define INTR_MAX 2
43
44 struct sbc_softc;
45
46 struct sbc_ihl {
47 driver_intr_t *intr[INTR_MAX];
48 void *intr_arg[INTR_MAX];
49 struct sbc_softc *parent;
50 };
51
52 /* Here is the parameter structure per a device. */
53 struct sbc_softc {
54 device_t dev; /* device */
55 device_t child_pcm, child_midi1, child_midi2;
56
57 int io_rid[IO_MAX]; /* io port rids */
58 struct resource *io[IO_MAX]; /* io port resources */
59 int io_alloced[IO_MAX]; /* io port alloc flag */
60
61 int irq_rid[IRQ_MAX]; /* irq rids */
62 struct resource *irq[IRQ_MAX]; /* irq resources */
63 int irq_alloced[IRQ_MAX]; /* irq alloc flag */
64
65 int drq_rid[DRQ_MAX]; /* drq rids */
66 struct resource *drq[DRQ_MAX]; /* drq resources */
67 int drq_alloced[DRQ_MAX]; /* drq alloc flag */
68
69 struct sbc_ihl ihl[IRQ_MAX];
70
71 void *ih[IRQ_MAX];
72
73 struct mtx *lock;
74
75 u_int32_t bd_ver;
76 };
77
78 static int sbc_probe(device_t dev);
79 static int sbc_attach(device_t dev);
80 static void sbc_intr(void *p);
81
82 static struct resource *sbc_alloc_resource(device_t bus, device_t child, int type, int *rid,
83 u_long start, u_long end, u_long count, u_int flags);
84 static int sbc_release_resource(device_t bus, device_t child, int type, int rid,
85 struct resource *r);
86 static int sbc_setup_intr(device_t dev, device_t child, struct resource *irq,
87 int flags,
88 driver_filter_t *filter,
89 driver_intr_t *intr,
90 void *arg, void **cookiep);
91 static int sbc_teardown_intr(device_t dev, device_t child, struct resource *irq,
92 void *cookie);
93
94 static int alloc_resource(struct sbc_softc *scp);
95 static int release_resource(struct sbc_softc *scp);
96
97 static devclass_t sbc_devclass;
98
99 static int io_range[3] = {0x10, 0x2, 0x4};
100
101 #ifdef PC98 /* I/O address table for PC98 */
102 static bus_addr_t pcm_iat[] = {
103 0x000, 0x100, 0x200, 0x300, 0x400, 0x500, 0x600, 0x700,
104 0x800, 0x900, 0xa00, 0xb00, 0xc00, 0xd00, 0xe00, 0xf00
105 };
106 static bus_addr_t midi_iat[] = {
107 0x000, 0x100
108 };
109 static bus_addr_t opl_iat[] = {
110 0x000, 0x100, 0x200, 0x300
111 };
112 static bus_addr_t *sb_iat[] = { pcm_iat, midi_iat, opl_iat };
113 #endif
114
115 static int sb_rd(struct resource *io, int reg);
116 static void sb_wr(struct resource *io, int reg, u_int8_t val);
117 static int sb_dspready(struct resource *io);
118 static int sb_cmd(struct resource *io, u_char val);
119 static u_int sb_get_byte(struct resource *io);
120 static void sb_setmixer(struct resource *io, u_int port, u_int value);
121
122 static void
sbc_lockinit(struct sbc_softc * scp)123 sbc_lockinit(struct sbc_softc *scp)
124 {
125 scp->lock = snd_mtxcreate(device_get_nameunit(scp->dev),
126 "snd_sbc softc");
127 }
128
129 static void
sbc_lockdestroy(struct sbc_softc * scp)130 sbc_lockdestroy(struct sbc_softc *scp)
131 {
132 snd_mtxfree(scp->lock);
133 }
134
135 void
sbc_lock(struct sbc_softc * scp)136 sbc_lock(struct sbc_softc *scp)
137 {
138 snd_mtxlock(scp->lock);
139 }
140
141 void
sbc_lockassert(struct sbc_softc * scp)142 sbc_lockassert(struct sbc_softc *scp)
143 {
144 snd_mtxassert(scp->lock);
145 }
146
147 void
sbc_unlock(struct sbc_softc * scp)148 sbc_unlock(struct sbc_softc *scp)
149 {
150 snd_mtxunlock(scp->lock);
151 }
152
153 static int
sb_rd(struct resource * io,int reg)154 sb_rd(struct resource *io, int reg)
155 {
156 return bus_space_read_1(rman_get_bustag(io),
157 rman_get_bushandle(io),
158 reg);
159 }
160
161 static void
sb_wr(struct resource * io,int reg,u_int8_t val)162 sb_wr(struct resource *io, int reg, u_int8_t val)
163 {
164 bus_space_write_1(rman_get_bustag(io),
165 rman_get_bushandle(io),
166 reg, val);
167 }
168
169 static int
sb_dspready(struct resource * io)170 sb_dspready(struct resource *io)
171 {
172 return ((sb_rd(io, SBDSP_STATUS) & 0x80) == 0);
173 }
174
175 static int
sb_dspwr(struct resource * io,u_char val)176 sb_dspwr(struct resource *io, u_char val)
177 {
178 int i;
179
180 for (i = 0; i < 1000; i++) {
181 if (sb_dspready(io)) {
182 sb_wr(io, SBDSP_CMD, val);
183 return 1;
184 }
185 if (i > 10) DELAY((i > 100)? 1000 : 10);
186 }
187 printf("sb_dspwr(0x%02x) timed out.\n", val);
188 return 0;
189 }
190
191 static int
sb_cmd(struct resource * io,u_char val)192 sb_cmd(struct resource *io, u_char val)
193 {
194 return sb_dspwr(io, val);
195 }
196
197 static void
sb_setmixer(struct resource * io,u_int port,u_int value)198 sb_setmixer(struct resource *io, u_int port, u_int value)
199 {
200 u_long flags;
201
202 flags = spltty();
203 sb_wr(io, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
204 DELAY(10);
205 sb_wr(io, SB_MIX_DATA, (u_char) (value & 0xff));
206 DELAY(10);
207 splx(flags);
208 }
209
210 static u_int
sb_get_byte(struct resource * io)211 sb_get_byte(struct resource *io)
212 {
213 int i;
214
215 for (i = 1000; i > 0; i--) {
216 if (sb_rd(io, DSP_DATA_AVAIL) & 0x80)
217 return sb_rd(io, DSP_READ);
218 else
219 DELAY(20);
220 }
221 return 0xffff;
222 }
223
224 static int
sb_reset_dsp(struct resource * io)225 sb_reset_dsp(struct resource *io)
226 {
227 sb_wr(io, SBDSP_RST, 3);
228 DELAY(100);
229 sb_wr(io, SBDSP_RST, 0);
230 return (sb_get_byte(io) == 0xAA)? 0 : ENXIO;
231 }
232
233 static int
sb_identify_board(struct resource * io)234 sb_identify_board(struct resource *io)
235 {
236 int ver, essver, rev;
237
238 sb_cmd(io, DSP_CMD_GETVER); /* Get version */
239 ver = (sb_get_byte(io) << 8) | sb_get_byte(io);
240 if (ver < 0x100 || ver > 0x4ff) return 0;
241 if (ver == 0x0301) {
242 /* Try to detect ESS chips. */
243 sb_cmd(io, DSP_CMD_GETID); /* Return ident. bytes. */
244 essver = (sb_get_byte(io) << 8) | sb_get_byte(io);
245 rev = essver & 0x000f;
246 essver &= 0xfff0;
247 if (essver == 0x4880) ver |= 0x1000;
248 else if (essver == 0x6880) ver = 0x0500 | rev;
249 }
250 return ver;
251 }
252
253 static struct isa_pnp_id sbc_ids[] = {
254 {0x01008c0e, "Creative ViBRA16C"}, /* CTL0001 */
255 {0x31008c0e, "Creative SB16/SB32"}, /* CTL0031 */
256 {0x41008c0e, "Creative SB16/SB32"}, /* CTL0041 */
257 {0x42008c0e, "Creative SB AWE64"}, /* CTL0042 */
258 {0x43008c0e, "Creative ViBRA16X"}, /* CTL0043 */
259 {0x44008c0e, "Creative SB AWE64 Gold"}, /* CTL0044 */
260 {0x45008c0e, "Creative SB AWE64"}, /* CTL0045 */
261 {0x46008c0e, "Creative SB AWE64"}, /* CTL0046 */
262
263 {0x01000000, "Avance Logic ALS100+"}, /* @@@0001 - ViBRA16X clone */
264 {0x01100000, "Avance Asound 110"}, /* @@@1001 */
265 {0x01200000, "Avance Logic ALS120"}, /* @@@2001 - ViBRA16X clone */
266
267 {0x81167316, "ESS ES1681"}, /* ESS1681 */
268 {0x02017316, "ESS ES1688"}, /* ESS1688 */
269 {0x68097316, "ESS ES1688"}, /* ESS1688 */
270 {0x68187316, "ESS ES1868"}, /* ESS1868 */
271 {0x03007316, "ESS ES1869"}, /* ESS1869 */
272 {0x69187316, "ESS ES1869"}, /* ESS1869 */
273 {0xabb0110e, "ESS ES1869 (Compaq OEM)"}, /* CPQb0ab */
274 {0xacb0110e, "ESS ES1869 (Compaq OEM)"}, /* CPQb0ac */
275 {0x78187316, "ESS ES1878"}, /* ESS1878 */
276 {0x79187316, "ESS ES1879"}, /* ESS1879 */
277 {0x88187316, "ESS ES1888"}, /* ESS1888 */
278 {0x07017316, "ESS ES1888 (DEC OEM)"}, /* ESS0107 */
279 {0x06017316, "ESS ES1888 (Dell OEM)"}, /* ESS0106 */
280 {0}
281 };
282
283 static int
sbc_probe(device_t dev)284 sbc_probe(device_t dev)
285 {
286 char *s = NULL;
287 u_int32_t lid, vid;
288
289 lid = isa_get_logicalid(dev);
290 vid = isa_get_vendorid(dev);
291 if (lid) {
292 if (lid == 0x01000000 && vid != 0x01009305) /* ALS0001 */
293 return ENXIO;
294 /* Check pnp ids */
295 return ISA_PNP_PROBE(device_get_parent(dev), dev, sbc_ids);
296 } else {
297 int rid = 0, ver;
298 struct resource *io;
299
300 #ifdef PC98
301 io = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &rid,
302 pcm_iat, 16, RF_ACTIVE);
303 #else
304 io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
305 0, ~0, 16, RF_ACTIVE);
306 #endif
307 if (!io) goto bad;
308 #ifdef PC98
309 isa_load_resourcev(io, pcm_iat, 16);
310 #endif
311 if (sb_reset_dsp(io)) goto bad2;
312 ver = sb_identify_board(io);
313 if (ver == 0) goto bad2;
314 switch ((ver & 0x00000f00) >> 8) {
315 case 1:
316 device_set_desc(dev, "SoundBlaster 1.0 (not supported)");
317 s = NULL;
318 break;
319
320 case 2:
321 s = "SoundBlaster 2.0";
322 break;
323
324 case 3:
325 s = (ver & 0x0000f000)? "ESS 488" : "SoundBlaster Pro";
326 break;
327
328 case 4:
329 s = "SoundBlaster 16";
330 break;
331
332 case 5:
333 s = (ver & 0x00000008)? "ESS 688" : "ESS 1688";
334 break;
335 }
336 if (s) device_set_desc(dev, s);
337 bad2: bus_release_resource(dev, SYS_RES_IOPORT, rid, io);
338 bad: return s? 0 : ENXIO;
339 }
340 }
341
342 static int
sbc_attach(device_t dev)343 sbc_attach(device_t dev)
344 {
345 char *err = NULL;
346 struct sbc_softc *scp;
347 struct sndcard_func *func;
348 u_int32_t logical_id = isa_get_logicalid(dev);
349 int flags = device_get_flags(dev);
350 int f, dh, dl, x, irq, i;
351
352 if (!logical_id && (flags & DV_F_DUAL_DMA)) {
353 bus_set_resource(dev, SYS_RES_DRQ, 1,
354 flags & DV_F_DRQ_MASK, 1);
355 }
356
357 scp = device_get_softc(dev);
358 bzero(scp, sizeof(*scp));
359 scp->dev = dev;
360 sbc_lockinit(scp);
361 err = "alloc_resource";
362 if (alloc_resource(scp)) goto bad;
363
364 err = "sb_reset_dsp";
365 if (sb_reset_dsp(scp->io[0])) goto bad;
366 err = "sb_identify_board";
367 scp->bd_ver = sb_identify_board(scp->io[0]) & 0x00000fff;
368 if (scp->bd_ver == 0) goto bad;
369 f = 0;
370 if (logical_id == 0x01200000 && scp->bd_ver < 0x0400) scp->bd_ver = 0x0499;
371 switch ((scp->bd_ver & 0x0f00) >> 8) {
372 case 1: /* old sound blaster has nothing... */
373 break;
374
375 case 2:
376 f |= BD_F_DUP_MIDI;
377 if (scp->bd_ver > 0x200) f |= BD_F_MIX_CT1335;
378 break;
379
380 case 5:
381 f |= BD_F_ESS;
382 scp->bd_ver = 0x0301;
383 case 3:
384 f |= BD_F_DUP_MIDI | BD_F_MIX_CT1345;
385 break;
386
387 case 4:
388 f |= BD_F_SB16 | BD_F_MIX_CT1745;
389 if (scp->drq[0]) dl = rman_get_start(scp->drq[0]); else dl = -1;
390 if (scp->drq[1]) dh = rman_get_start(scp->drq[1]); else dh = dl;
391 if (!logical_id && (dh < dl)) {
392 struct resource *r;
393 r = scp->drq[0];
394 scp->drq[0] = scp->drq[1];
395 scp->drq[1] = r;
396 dl = rman_get_start(scp->drq[0]);
397 dh = rman_get_start(scp->drq[1]);
398 }
399 /* soft irq/dma configuration */
400 x = -1;
401 irq = rman_get_start(scp->irq[0]);
402 #ifdef PC98
403 /* SB16 in PC98 use different IRQ table */
404 if (irq == 3) x = 1;
405 else if (irq == 5) x = 8;
406 else if (irq == 10) x = 2;
407 else if (irq == 12) x = 4;
408 if (x == -1) {
409 err = "bad irq (3/5/10/12 valid)";
410 goto bad;
411 }
412 else sb_setmixer(scp->io[0], IRQ_NR, x);
413 /* SB16 in PC98 use different dma setting */
414 sb_setmixer(scp->io[0], DMA_NR, dh == 0 ? 1 : 2);
415 #else
416 if (irq == 5) x = 2;
417 else if (irq == 7) x = 4;
418 else if (irq == 9) x = 1;
419 else if (irq == 10) x = 8;
420 if (x == -1) {
421 err = "bad irq (5/7/9/10 valid)";
422 goto bad;
423 }
424 else sb_setmixer(scp->io[0], IRQ_NR, x);
425 sb_setmixer(scp->io[0], DMA_NR, (1 << dh) | (1 << dl));
426 #endif
427 if (bootverbose) {
428 device_printf(dev, "setting card to irq %d, drq %d", irq, dl);
429 if (dl != dh) printf(", %d", dh);
430 printf("\n");
431 }
432 break;
433 }
434
435 switch (logical_id) {
436 case 0x43008c0e: /* CTL0043 */
437 case 0x01200000:
438 case 0x01000000:
439 f |= BD_F_SB16X;
440 break;
441 }
442 scp->bd_ver |= f << 16;
443
444 err = "setup_intr";
445 for (i = 0; i < IRQ_MAX; i++) {
446 scp->ihl[i].parent = scp;
447 if (snd_setup_intr(dev, scp->irq[i], 0, sbc_intr, &scp->ihl[i], &scp->ih[i]))
448 goto bad;
449 }
450
451 /* PCM Audio */
452 func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
453 if (func == NULL) goto bad;
454 func->func = SCF_PCM;
455 scp->child_pcm = device_add_child(dev, "pcm", -1);
456 device_set_ivars(scp->child_pcm, func);
457
458 /* Midi Interface */
459 func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
460 if (func == NULL) goto bad;
461 func->func = SCF_MIDI;
462 scp->child_midi1 = device_add_child(dev, "midi", -1);
463 device_set_ivars(scp->child_midi1, func);
464
465 /* OPL FM Synthesizer */
466 func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
467 if (func == NULL) goto bad;
468 func->func = SCF_SYNTH;
469 scp->child_midi2 = device_add_child(dev, "midi", -1);
470 device_set_ivars(scp->child_midi2, func);
471
472 /* probe/attach kids */
473 bus_generic_attach(dev);
474
475 return (0);
476
477 bad: if (err) device_printf(dev, "%s\n", err);
478 release_resource(scp);
479 return (ENXIO);
480 }
481
482 static int
sbc_detach(device_t dev)483 sbc_detach(device_t dev)
484 {
485 struct sbc_softc *scp = device_get_softc(dev);
486
487 sbc_lock(scp);
488 device_delete_child(dev, scp->child_midi2);
489 device_delete_child(dev, scp->child_midi1);
490 device_delete_child(dev, scp->child_pcm);
491 release_resource(scp);
492 sbc_lockdestroy(scp);
493 return bus_generic_detach(dev);
494 }
495
496 static void
sbc_intr(void * p)497 sbc_intr(void *p)
498 {
499 struct sbc_ihl *ihl = p;
500 int i;
501
502 /* sbc_lock(ihl->parent); */
503 i = 0;
504 while (i < INTR_MAX) {
505 if (ihl->intr[i] != NULL) ihl->intr[i](ihl->intr_arg[i]);
506 i++;
507 }
508 /* sbc_unlock(ihl->parent); */
509 }
510
511 static int
sbc_setup_intr(device_t dev,device_t child,struct resource * irq,int flags,driver_filter_t * filter,driver_intr_t * intr,void * arg,void ** cookiep)512 sbc_setup_intr(device_t dev, device_t child, struct resource *irq, int flags,
513 driver_filter_t *filter,
514 driver_intr_t *intr,
515 void *arg, void **cookiep)
516 {
517 struct sbc_softc *scp = device_get_softc(dev);
518 struct sbc_ihl *ihl = NULL;
519 int i, ret;
520
521 if (filter != NULL) {
522 printf("sbc.c: we cannot use a filter here\n");
523 return (EINVAL);
524 }
525 sbc_lock(scp);
526 i = 0;
527 while (i < IRQ_MAX) {
528 if (irq == scp->irq[i]) ihl = &scp->ihl[i];
529 i++;
530 }
531 ret = 0;
532 if (ihl == NULL) ret = EINVAL;
533 i = 0;
534 while ((ret == 0) && (i < INTR_MAX)) {
535 if (ihl->intr[i] == NULL) {
536 ihl->intr[i] = intr;
537 ihl->intr_arg[i] = arg;
538 *cookiep = &ihl->intr[i];
539 ret = -1;
540 } else i++;
541 }
542 sbc_unlock(scp);
543 return (ret > 0)? EINVAL : 0;
544 }
545
546 static int
sbc_teardown_intr(device_t dev,device_t child,struct resource * irq,void * cookie)547 sbc_teardown_intr(device_t dev, device_t child, struct resource *irq,
548 void *cookie)
549 {
550 struct sbc_softc *scp = device_get_softc(dev);
551 struct sbc_ihl *ihl = NULL;
552 int i, ret;
553
554 sbc_lock(scp);
555 i = 0;
556 while (i < IRQ_MAX) {
557 if (irq == scp->irq[i]) ihl = &scp->ihl[i];
558 i++;
559 }
560 ret = 0;
561 if (ihl == NULL) ret = EINVAL;
562 i = 0;
563 while ((ret == 0) && (i < INTR_MAX)) {
564 if (cookie == &ihl->intr[i]) {
565 ihl->intr[i] = NULL;
566 ihl->intr_arg[i] = NULL;
567 return 0;
568 } else i++;
569 }
570 sbc_unlock(scp);
571 return (ret > 0)? EINVAL : 0;
572 }
573
574 static struct resource *
sbc_alloc_resource(device_t bus,device_t child,int type,int * rid,u_long start,u_long end,u_long count,u_int flags)575 sbc_alloc_resource(device_t bus, device_t child, int type, int *rid,
576 u_long start, u_long end, u_long count, u_int flags)
577 {
578 struct sbc_softc *scp;
579 int *alloced, rid_max, alloced_max;
580 struct resource **res;
581 #ifdef PC98
582 int i;
583 #endif
584
585 scp = device_get_softc(bus);
586 switch (type) {
587 case SYS_RES_IOPORT:
588 alloced = scp->io_alloced;
589 res = scp->io;
590 #ifdef PC98
591 rid_max = 0;
592 for (i = 0; i < IO_MAX; i++)
593 rid_max += io_range[i];
594 #else
595 rid_max = IO_MAX - 1;
596 #endif
597 alloced_max = 1;
598 break;
599 case SYS_RES_DRQ:
600 alloced = scp->drq_alloced;
601 res = scp->drq;
602 rid_max = DRQ_MAX - 1;
603 alloced_max = 1;
604 break;
605 case SYS_RES_IRQ:
606 alloced = scp->irq_alloced;
607 res = scp->irq;
608 rid_max = IRQ_MAX - 1;
609 alloced_max = INTR_MAX; /* pcm and mpu may share the irq. */
610 break;
611 default:
612 return (NULL);
613 }
614
615 if (*rid > rid_max || alloced[*rid] == alloced_max)
616 return (NULL);
617
618 alloced[*rid]++;
619 return (res[*rid]);
620 }
621
622 static int
sbc_release_resource(device_t bus,device_t child,int type,int rid,struct resource * r)623 sbc_release_resource(device_t bus, device_t child, int type, int rid,
624 struct resource *r)
625 {
626 struct sbc_softc *scp;
627 int *alloced, rid_max;
628
629 scp = device_get_softc(bus);
630 switch (type) {
631 case SYS_RES_IOPORT:
632 alloced = scp->io_alloced;
633 rid_max = IO_MAX - 1;
634 break;
635 case SYS_RES_DRQ:
636 alloced = scp->drq_alloced;
637 rid_max = DRQ_MAX - 1;
638 break;
639 case SYS_RES_IRQ:
640 alloced = scp->irq_alloced;
641 rid_max = IRQ_MAX - 1;
642 break;
643 default:
644 return (1);
645 }
646
647 if (rid > rid_max || alloced[rid] == 0)
648 return (1);
649
650 alloced[rid]--;
651 return (0);
652 }
653
654 static int
sbc_read_ivar(device_t bus,device_t dev,int index,uintptr_t * result)655 sbc_read_ivar(device_t bus, device_t dev, int index, uintptr_t * result)
656 {
657 struct sbc_softc *scp = device_get_softc(bus);
658 struct sndcard_func *func = device_get_ivars(dev);
659
660 switch (index) {
661 case 0:
662 *result = func->func;
663 break;
664
665 case 1:
666 *result = scp->bd_ver;
667 break;
668
669 default:
670 return ENOENT;
671 }
672
673 return 0;
674 }
675
676 static int
sbc_write_ivar(device_t bus,device_t dev,int index,uintptr_t value)677 sbc_write_ivar(device_t bus, device_t dev,
678 int index, uintptr_t value)
679 {
680 switch (index) {
681 case 0:
682 case 1:
683 return EINVAL;
684
685 default:
686 return (ENOENT);
687 }
688 }
689
690 static int
alloc_resource(struct sbc_softc * scp)691 alloc_resource(struct sbc_softc *scp)
692 {
693 int i;
694
695 for (i = 0 ; i < IO_MAX ; i++) {
696 if (scp->io[i] == NULL) {
697 #ifdef PC98
698 scp->io_rid[i] = i > 0 ?
699 scp->io_rid[i - 1] + io_range[i - 1] : 0;
700 scp->io[i] = isa_alloc_resourcev(scp->dev,
701 SYS_RES_IOPORT,
702 &scp->io_rid[i],
703 sb_iat[i],
704 io_range[i],
705 RF_ACTIVE);
706 if (scp->io[i] != NULL)
707 isa_load_resourcev(scp->io[i], sb_iat[i],
708 io_range[i]);
709 #else
710 scp->io_rid[i] = i;
711 scp->io[i] = bus_alloc_resource(scp->dev, SYS_RES_IOPORT, &scp->io_rid[i],
712 0, ~0, io_range[i], RF_ACTIVE);
713 #endif
714 if (i == 0 && scp->io[i] == NULL)
715 return (1);
716 scp->io_alloced[i] = 0;
717 }
718 }
719 for (i = 0 ; i < DRQ_MAX ; i++) {
720 if (scp->drq[i] == NULL) {
721 scp->drq_rid[i] = i;
722 scp->drq[i] = bus_alloc_resource_any(scp->dev,
723 SYS_RES_DRQ,
724 &scp->drq_rid[i],
725 RF_ACTIVE);
726 if (i == 0 && scp->drq[i] == NULL)
727 return (1);
728 scp->drq_alloced[i] = 0;
729 }
730 }
731 for (i = 0 ; i < IRQ_MAX ; i++) {
732 if (scp->irq[i] == NULL) {
733 scp->irq_rid[i] = i;
734 scp->irq[i] = bus_alloc_resource_any(scp->dev,
735 SYS_RES_IRQ,
736 &scp->irq_rid[i],
737 RF_ACTIVE);
738 if (i == 0 && scp->irq[i] == NULL)
739 return (1);
740 scp->irq_alloced[i] = 0;
741 }
742 }
743 return (0);
744 }
745
746 static int
release_resource(struct sbc_softc * scp)747 release_resource(struct sbc_softc *scp)
748 {
749 int i;
750
751 for (i = 0 ; i < IO_MAX ; i++) {
752 if (scp->io[i] != NULL) {
753 bus_release_resource(scp->dev, SYS_RES_IOPORT, scp->io_rid[i], scp->io[i]);
754 scp->io[i] = NULL;
755 }
756 }
757 for (i = 0 ; i < DRQ_MAX ; i++) {
758 if (scp->drq[i] != NULL) {
759 bus_release_resource(scp->dev, SYS_RES_DRQ, scp->drq_rid[i], scp->drq[i]);
760 scp->drq[i] = NULL;
761 }
762 }
763 for (i = 0 ; i < IRQ_MAX ; i++) {
764 if (scp->irq[i] != NULL) {
765 if (scp->ih[i] != NULL)
766 bus_teardown_intr(scp->dev, scp->irq[i], scp->ih[i]);
767 scp->ih[i] = NULL;
768 bus_release_resource(scp->dev, SYS_RES_IRQ, scp->irq_rid[i], scp->irq[i]);
769 scp->irq[i] = NULL;
770 }
771 }
772 return (0);
773 }
774
775 static device_method_t sbc_methods[] = {
776 /* Device interface */
777 DEVMETHOD(device_probe, sbc_probe),
778 DEVMETHOD(device_attach, sbc_attach),
779 DEVMETHOD(device_detach, sbc_detach),
780 DEVMETHOD(device_shutdown, bus_generic_shutdown),
781 DEVMETHOD(device_suspend, bus_generic_suspend),
782 DEVMETHOD(device_resume, bus_generic_resume),
783
784 /* Bus interface */
785 DEVMETHOD(bus_read_ivar, sbc_read_ivar),
786 DEVMETHOD(bus_write_ivar, sbc_write_ivar),
787 DEVMETHOD(bus_alloc_resource, sbc_alloc_resource),
788 DEVMETHOD(bus_release_resource, sbc_release_resource),
789 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
790 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
791 DEVMETHOD(bus_setup_intr, sbc_setup_intr),
792 DEVMETHOD(bus_teardown_intr, sbc_teardown_intr),
793
794 DEVMETHOD_END
795 };
796
797 static driver_t sbc_driver = {
798 "sbc",
799 sbc_methods,
800 sizeof(struct sbc_softc),
801 };
802
803 /* sbc can be attached to an isa bus. */
804 DRIVER_MODULE(snd_sbc, isa, sbc_driver, sbc_devclass, 0, 0);
805 DRIVER_MODULE(snd_sbc, acpi, sbc_driver, sbc_devclass, 0, 0);
806 MODULE_DEPEND(snd_sbc, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
807 MODULE_VERSION(snd_sbc, 1);
808