Lines Matching refs:b
48 struct snd_dbuf *b; in sndbuf_create() local
50 b = malloc(sizeof(*b), M_DEVBUF, M_WAITOK | M_ZERO); in sndbuf_create()
51 snprintf(b->name, SNDBUF_NAMELEN, "%s:%s", drv, desc); in sndbuf_create()
52 b->dev = dev; in sndbuf_create()
53 b->channel = channel; in sndbuf_create()
55 return b; in sndbuf_create()
59 sndbuf_destroy(struct snd_dbuf *b) in sndbuf_destroy() argument
61 sndbuf_free(b); in sndbuf_destroy()
62 free(b, M_DEVBUF); in sndbuf_destroy()
74 struct snd_dbuf *b = (struct snd_dbuf *)arg; in sndbuf_setmap() local
77 device_printf(b->dev, "sndbuf_setmap %lx, %lx; ", in sndbuf_setmap()
79 printf("%p -> %lx\n", b->buf, (u_long)segs[0].ds_addr); in sndbuf_setmap()
82 b->buf_addr = segs[0].ds_addr; in sndbuf_setmap()
84 b->buf_addr = 0; in sndbuf_setmap()
93 sndbuf_alloc(struct snd_dbuf *b, bus_dma_tag_t dmatag, int dmaflags, in sndbuf_alloc() argument
98 b->dmatag = dmatag; in sndbuf_alloc()
99 b->dmaflags = dmaflags | BUS_DMA_NOWAIT | BUS_DMA_COHERENT; in sndbuf_alloc()
100 b->maxsize = size; in sndbuf_alloc()
101 b->bufsize = b->maxsize; in sndbuf_alloc()
102 b->buf_addr = 0; in sndbuf_alloc()
103 b->flags |= SNDBUF_F_MANAGED; in sndbuf_alloc()
104 if (bus_dmamem_alloc(b->dmatag, (void **)&b->buf, b->dmaflags, in sndbuf_alloc()
105 &b->dmamap)) { in sndbuf_alloc()
106 sndbuf_free(b); in sndbuf_alloc()
109 if (bus_dmamap_load(b->dmatag, b->dmamap, b->buf, b->maxsize, in sndbuf_alloc()
110 sndbuf_setmap, b, 0) != 0 || b->buf_addr == 0) { in sndbuf_alloc()
111 sndbuf_free(b); in sndbuf_alloc()
115 ret = sndbuf_resize(b, 2, b->maxsize / 2); in sndbuf_alloc()
117 sndbuf_free(b); in sndbuf_alloc()
123 sndbuf_setup(struct snd_dbuf *b, void *buf, unsigned int size) in sndbuf_setup() argument
125 b->flags &= ~SNDBUF_F_MANAGED; in sndbuf_setup()
127 b->flags |= SNDBUF_F_MANAGED; in sndbuf_setup()
128 b->buf = buf; in sndbuf_setup()
129 b->maxsize = size; in sndbuf_setup()
130 b->bufsize = b->maxsize; in sndbuf_setup()
131 return sndbuf_resize(b, 2, b->maxsize / 2); in sndbuf_setup()
135 sndbuf_free(struct snd_dbuf *b) in sndbuf_free() argument
137 if (b->tmpbuf) in sndbuf_free()
138 free(b->tmpbuf, M_DEVBUF); in sndbuf_free()
140 if (b->shadbuf) in sndbuf_free()
141 free(b->shadbuf, M_DEVBUF); in sndbuf_free()
143 if (b->buf) { in sndbuf_free()
144 if (b->flags & SNDBUF_F_MANAGED) { in sndbuf_free()
145 if (b->buf_addr) in sndbuf_free()
146 bus_dmamap_unload(b->dmatag, b->dmamap); in sndbuf_free()
147 if (b->dmatag) in sndbuf_free()
148 bus_dmamem_free(b->dmatag, b->buf, b->dmamap); in sndbuf_free()
150 free(b->buf, M_DEVBUF); in sndbuf_free()
153 b->tmpbuf = NULL; in sndbuf_free()
154 b->shadbuf = NULL; in sndbuf_free()
155 b->buf = NULL; in sndbuf_free()
156 b->sl = 0; in sndbuf_free()
157 b->dmatag = NULL; in sndbuf_free()
158 b->dmamap = NULL; in sndbuf_free()
164 sndbuf_resize(struct snd_dbuf *b, unsigned int blkcnt, unsigned int blksz) in sndbuf_resize() argument
169 CHN_LOCK(b->channel); in sndbuf_resize()
170 if (b->maxsize == 0) in sndbuf_resize()
173 blkcnt = b->blkcnt; in sndbuf_resize()
175 blksz = b->blksz; in sndbuf_resize()
176 if (blkcnt < 2 || blksz < 16 || (blkcnt * blksz) > b->maxsize) { in sndbuf_resize()
177 CHN_UNLOCK(b->channel); in sndbuf_resize()
180 if (blkcnt == b->blkcnt && blksz == b->blksz) in sndbuf_resize()
185 if (bufsize > b->allocsize || in sndbuf_resize()
186 bufsize < (b->allocsize >> SNDBUF_CACHE_SHIFT)) { in sndbuf_resize()
188 CHN_UNLOCK(b->channel); in sndbuf_resize()
190 CHN_LOCK(b->channel); in sndbuf_resize()
193 __func__, b, b->tmpbuf, tmpbuf, in sndbuf_resize()
194 b->allocsize, allocsize, bufsize); in sndbuf_resize()
195 if (b->tmpbuf != NULL) in sndbuf_resize()
196 free(b->tmpbuf, M_DEVBUF); in sndbuf_resize()
197 b->tmpbuf = tmpbuf; in sndbuf_resize()
198 b->allocsize = allocsize; in sndbuf_resize()
201 __func__, b, b->allocsize, b->bufsize); in sndbuf_resize()
203 b->blkcnt = blkcnt; in sndbuf_resize()
204 b->blksz = blksz; in sndbuf_resize()
205 b->bufsize = bufsize; in sndbuf_resize()
207 sndbuf_reset(b); in sndbuf_resize()
209 CHN_UNLOCK(b->channel); in sndbuf_resize()
214 sndbuf_remalloc(struct snd_dbuf *b, unsigned int blkcnt, unsigned int blksz) in sndbuf_remalloc() argument
224 if (bufsize > b->allocsize || in sndbuf_remalloc()
225 bufsize < (b->allocsize >> SNDBUF_CACHE_SHIFT)) { in sndbuf_remalloc()
227 CHN_UNLOCK(b->channel); in sndbuf_remalloc()
231 CHN_LOCK(b->channel); in sndbuf_remalloc()
232 if (b->buf != NULL) in sndbuf_remalloc()
233 free(b->buf, M_DEVBUF); in sndbuf_remalloc()
234 b->buf = buf; in sndbuf_remalloc()
235 if (b->tmpbuf != NULL) in sndbuf_remalloc()
236 free(b->tmpbuf, M_DEVBUF); in sndbuf_remalloc()
237 b->tmpbuf = tmpbuf; in sndbuf_remalloc()
238 if (b->shadbuf != NULL) in sndbuf_remalloc()
239 free(b->shadbuf, M_DEVBUF); in sndbuf_remalloc()
240 b->shadbuf = shadbuf; in sndbuf_remalloc()
243 __func__, b, b->allocsize, allocsize, bufsize); in sndbuf_remalloc()
244 b->allocsize = allocsize; in sndbuf_remalloc()
247 __func__, b, b->allocsize, b->bufsize); in sndbuf_remalloc()
249 b->blkcnt = blkcnt; in sndbuf_remalloc()
250 b->blksz = blksz; in sndbuf_remalloc()
251 b->bufsize = bufsize; in sndbuf_remalloc()
252 b->maxsize = bufsize; in sndbuf_remalloc()
253 b->sl = bufsize; in sndbuf_remalloc()
255 sndbuf_reset(b); in sndbuf_remalloc()
270 sndbuf_clear(struct snd_dbuf *b, unsigned int length) in sndbuf_clear() argument
277 if (length > b->bufsize) in sndbuf_clear()
278 length = b->bufsize; in sndbuf_clear()
280 data = sndbuf_zerodata(b->fmt); in sndbuf_clear()
282 i = sndbuf_getfreeptr(b); in sndbuf_clear()
283 p = sndbuf_getbuf(b); in sndbuf_clear()
288 if (i >= b->bufsize) in sndbuf_clear()
299 sndbuf_fillsilence(struct snd_dbuf *b) in sndbuf_fillsilence() argument
301 if (b->bufsize > 0) in sndbuf_fillsilence()
302 memset(sndbuf_getbuf(b), sndbuf_zerodata(b->fmt), b->bufsize); in sndbuf_fillsilence()
303 b->rp = 0; in sndbuf_fillsilence()
304 b->rl = b->bufsize; in sndbuf_fillsilence()
308 sndbuf_fillsilence_rl(struct snd_dbuf *b, u_int rl) in sndbuf_fillsilence_rl() argument
310 if (b->bufsize > 0) in sndbuf_fillsilence_rl()
311 memset(sndbuf_getbuf(b), sndbuf_zerodata(b->fmt), b->bufsize); in sndbuf_fillsilence_rl()
312 b->rp = 0; in sndbuf_fillsilence_rl()
313 b->rl = min(b->bufsize, rl); in sndbuf_fillsilence_rl()
326 sndbuf_softreset(struct snd_dbuf *b) in sndbuf_softreset() argument
328 b->rl = 0; in sndbuf_softreset()
329 if (b->buf && b->bufsize > 0) in sndbuf_softreset()
330 sndbuf_clear(b, b->bufsize); in sndbuf_softreset()
334 sndbuf_reset(struct snd_dbuf *b) in sndbuf_reset() argument
336 b->hp = 0; in sndbuf_reset()
337 b->rp = 0; in sndbuf_reset()
338 b->rl = 0; in sndbuf_reset()
339 b->dl = 0; in sndbuf_reset()
340 b->prev_total = 0; in sndbuf_reset()
341 b->total = 0; in sndbuf_reset()
342 b->xrun = 0; in sndbuf_reset()
343 if (b->buf && b->bufsize > 0) in sndbuf_reset()
344 sndbuf_clear(b, b->bufsize); in sndbuf_reset()
345 sndbuf_clearshadow(b); in sndbuf_reset()
349 sndbuf_getfmt(struct snd_dbuf *b) in sndbuf_getfmt() argument
351 return b->fmt; in sndbuf_getfmt()
355 sndbuf_setfmt(struct snd_dbuf *b, u_int32_t fmt) in sndbuf_setfmt() argument
357 b->fmt = fmt; in sndbuf_setfmt()
358 b->bps = AFMT_BPS(b->fmt); in sndbuf_setfmt()
359 b->align = AFMT_ALIGN(b->fmt); in sndbuf_setfmt()
361 b->bps = AFMT_CHANNEL(b->fmt); in sndbuf_setfmt()
362 if (b->fmt & AFMT_16BIT) in sndbuf_setfmt()
363 b->bps <<= 1; in sndbuf_setfmt()
364 else if (b->fmt & AFMT_24BIT) in sndbuf_setfmt()
365 b->bps *= 3; in sndbuf_setfmt()
366 else if (b->fmt & AFMT_32BIT) in sndbuf_setfmt()
367 b->bps <<= 2; in sndbuf_setfmt()
373 sndbuf_getspd(struct snd_dbuf *b) in sndbuf_getspd() argument
375 return b->spd; in sndbuf_getspd()
379 sndbuf_setspd(struct snd_dbuf *b, unsigned int spd) in sndbuf_setspd() argument
381 b->spd = spd; in sndbuf_setspd()
385 sndbuf_getalign(struct snd_dbuf *b) in sndbuf_getalign() argument
387 return (b->align); in sndbuf_getalign()
391 sndbuf_getblkcnt(struct snd_dbuf *b) in sndbuf_getblkcnt() argument
393 return b->blkcnt; in sndbuf_getblkcnt()
397 sndbuf_setblkcnt(struct snd_dbuf *b, unsigned int blkcnt) in sndbuf_setblkcnt() argument
399 b->blkcnt = blkcnt; in sndbuf_setblkcnt()
403 sndbuf_getblksz(struct snd_dbuf *b) in sndbuf_getblksz() argument
405 return b->blksz; in sndbuf_getblksz()
409 sndbuf_setblksz(struct snd_dbuf *b, unsigned int blksz) in sndbuf_setblksz() argument
411 b->blksz = blksz; in sndbuf_setblksz()
415 sndbuf_getbps(struct snd_dbuf *b) in sndbuf_getbps() argument
417 return b->bps; in sndbuf_getbps()
421 sndbuf_getbuf(struct snd_dbuf *b) in sndbuf_getbuf() argument
423 return b->buf; in sndbuf_getbuf()
427 sndbuf_getbufofs(struct snd_dbuf *b, unsigned int ofs) in sndbuf_getbufofs() argument
429 KASSERT(ofs < b->bufsize, ("%s: ofs invalid %d", __func__, ofs)); in sndbuf_getbufofs()
431 return b->buf + ofs; in sndbuf_getbufofs()
435 sndbuf_getsize(struct snd_dbuf *b) in sndbuf_getsize() argument
437 return b->bufsize; in sndbuf_getsize()
441 sndbuf_getmaxsize(struct snd_dbuf *b) in sndbuf_getmaxsize() argument
443 return b->maxsize; in sndbuf_getmaxsize()
447 sndbuf_getallocsize(struct snd_dbuf *b) in sndbuf_getallocsize() argument
449 return b->allocsize; in sndbuf_getallocsize()
453 sndbuf_runsz(struct snd_dbuf *b) in sndbuf_runsz() argument
455 return b->dl; in sndbuf_runsz()
459 sndbuf_setrun(struct snd_dbuf *b, int go) in sndbuf_setrun() argument
461 b->dl = go? b->blksz : 0; in sndbuf_setrun()
465 sndbuf_getsel(struct snd_dbuf *b) in sndbuf_getsel() argument
467 return &b->sel; in sndbuf_getsel()
472 sndbuf_getxrun(struct snd_dbuf *b) in sndbuf_getxrun() argument
474 SNDBUF_LOCKASSERT(b); in sndbuf_getxrun()
476 return b->xrun; in sndbuf_getxrun()
480 sndbuf_setxrun(struct snd_dbuf *b, unsigned int xrun) in sndbuf_setxrun() argument
482 SNDBUF_LOCKASSERT(b); in sndbuf_setxrun()
484 b->xrun = xrun; in sndbuf_setxrun()
488 sndbuf_gethwptr(struct snd_dbuf *b) in sndbuf_gethwptr() argument
490 SNDBUF_LOCKASSERT(b); in sndbuf_gethwptr()
492 return b->hp; in sndbuf_gethwptr()
496 sndbuf_sethwptr(struct snd_dbuf *b, unsigned int ptr) in sndbuf_sethwptr() argument
498 SNDBUF_LOCKASSERT(b); in sndbuf_sethwptr()
500 b->hp = ptr; in sndbuf_sethwptr()
504 sndbuf_getready(struct snd_dbuf *b) in sndbuf_getready() argument
506 SNDBUF_LOCKASSERT(b); in sndbuf_getready()
507 KASSERT((b->rl >= 0) && (b->rl <= b->bufsize), ("%s: b->rl invalid %d", __func__, b->rl)); in sndbuf_getready()
509 return b->rl; in sndbuf_getready()
513 sndbuf_getreadyptr(struct snd_dbuf *b) in sndbuf_getreadyptr() argument
515 SNDBUF_LOCKASSERT(b); in sndbuf_getreadyptr()
516 KASSERT((b->rp >= 0) && (b->rp <= b->bufsize), ("%s: b->rp invalid %d", __func__, b->rp)); in sndbuf_getreadyptr()
518 return b->rp; in sndbuf_getreadyptr()
522 sndbuf_getfree(struct snd_dbuf *b) in sndbuf_getfree() argument
524 SNDBUF_LOCKASSERT(b); in sndbuf_getfree()
525 KASSERT((b->rl >= 0) && (b->rl <= b->bufsize), ("%s: b->rl invalid %d", __func__, b->rl)); in sndbuf_getfree()
527 return b->bufsize - b->rl; in sndbuf_getfree()
531 sndbuf_getfreeptr(struct snd_dbuf *b) in sndbuf_getfreeptr() argument
533 SNDBUF_LOCKASSERT(b); in sndbuf_getfreeptr()
534 KASSERT((b->rp >= 0) && (b->rp <= b->bufsize), ("%s: b->rp invalid %d", __func__, b->rp)); in sndbuf_getfreeptr()
535 KASSERT((b->rl >= 0) && (b->rl <= b->bufsize), ("%s: b->rl invalid %d", __func__, b->rl)); in sndbuf_getfreeptr()
537 return (b->rp + b->rl) % b->bufsize; in sndbuf_getfreeptr()
541 sndbuf_getblocks(struct snd_dbuf *b) in sndbuf_getblocks() argument
543 SNDBUF_LOCKASSERT(b); in sndbuf_getblocks()
545 return b->total / b->blksz; in sndbuf_getblocks()
549 sndbuf_getprevblocks(struct snd_dbuf *b) in sndbuf_getprevblocks() argument
551 SNDBUF_LOCKASSERT(b); in sndbuf_getprevblocks()
553 return b->prev_total / b->blksz; in sndbuf_getprevblocks()
557 sndbuf_gettotal(struct snd_dbuf *b) in sndbuf_gettotal() argument
559 SNDBUF_LOCKASSERT(b); in sndbuf_gettotal()
561 return b->total; in sndbuf_gettotal()
565 sndbuf_getprevtotal(struct snd_dbuf *b) in sndbuf_getprevtotal() argument
567 SNDBUF_LOCKASSERT(b); in sndbuf_getprevtotal()
569 return b->prev_total; in sndbuf_getprevtotal()
573 sndbuf_updateprevtotal(struct snd_dbuf *b) in sndbuf_updateprevtotal() argument
575 SNDBUF_LOCKASSERT(b); in sndbuf_updateprevtotal()
577 b->prev_total = b->total; in sndbuf_updateprevtotal()
618 sndbuf_acquire(struct snd_dbuf *b, u_int8_t *from, unsigned int count) in sndbuf_acquire() argument
622 …KASSERT(count <= sndbuf_getfree(b), ("%s: count %d > free %d", __func__, count, sndbuf_getfree(b))… in sndbuf_acquire()
623 KASSERT((b->rl >= 0) && (b->rl <= b->bufsize), ("%s: b->rl invalid %d", __func__, b->rl)); in sndbuf_acquire()
624 b->total += count; in sndbuf_acquire()
627 l = min(count, sndbuf_getsize(b) - sndbuf_getfreeptr(b)); in sndbuf_acquire()
628 bcopy(from, sndbuf_getbufofs(b, sndbuf_getfreeptr(b)), l); in sndbuf_acquire()
630 b->rl += l; in sndbuf_acquire()
634 b->rl += count; in sndbuf_acquire()
635 …KASSERT((b->rl >= 0) && (b->rl <= b->bufsize), ("%s: b->rl invalid %d, count %d", __func__, b->rl,… in sndbuf_acquire()
655 sndbuf_dispose(struct snd_dbuf *b, u_int8_t *to, unsigned int count) in sndbuf_dispose() argument
659 …KASSERT(count <= sndbuf_getready(b), ("%s: count %d > ready %d", __func__, count, sndbuf_getready(… in sndbuf_dispose()
660 KASSERT((b->rl >= 0) && (b->rl <= b->bufsize), ("%s: b->rl invalid %d", __func__, b->rl)); in sndbuf_dispose()
663 l = min(count, sndbuf_getsize(b) - sndbuf_getreadyptr(b)); in sndbuf_dispose()
664 bcopy(sndbuf_getbufofs(b, sndbuf_getreadyptr(b)), to, l); in sndbuf_dispose()
666 b->rl -= l; in sndbuf_dispose()
667 b->rp = (b->rp + l) % b->bufsize; in sndbuf_dispose()
671 b->rl -= count; in sndbuf_dispose()
672 b->rp = (b->rp + count) % b->bufsize; in sndbuf_dispose()
674 …KASSERT((b->rl >= 0) && (b->rl <= b->bufsize), ("%s: b->rl invalid %d, count %d", __func__, b->rl,… in sndbuf_dispose()
733 sndbuf_dump(struct snd_dbuf *b, char *s, u_int32_t what) in sndbuf_dump() argument
737 printf(" bufsize: %d, maxsize: %d", b->bufsize, b->maxsize); in sndbuf_dump()
739 printf(" dl: %d, rp: %d, rl: %d, hp: %d", b->dl, b->rp, b->rl, b->hp); in sndbuf_dump()
741 …printf(" total: %ju, prev_total: %ju, xrun: %d", (uintmax_t)b->total, (uintmax_t)b->prev_total, b-… in sndbuf_dump()
743 printf(" fmt: 0x%x, spd: %d", b->fmt, b->spd); in sndbuf_dump()
745 printf(" blksz: %d, blkcnt: %d, flags: 0x%x", b->blksz, b->blkcnt, b->flags); in sndbuf_dump()
751 sndbuf_getflags(struct snd_dbuf *b) in sndbuf_getflags() argument
753 return b->flags; in sndbuf_getflags()
757 sndbuf_setflags(struct snd_dbuf *b, u_int32_t flags, int on) in sndbuf_setflags() argument
759 b->flags &= ~flags; in sndbuf_setflags()
761 b->flags |= flags; in sndbuf_setflags()
770 sndbuf_clearshadow(struct snd_dbuf *b) in sndbuf_clearshadow() argument
772 KASSERT(b != NULL, ("b is a null pointer")); in sndbuf_clearshadow()
773 KASSERT(b->sl >= 0, ("illegal shadow length")); in sndbuf_clearshadow()
775 if ((b->shadbuf != NULL) && (b->sl > 0)) in sndbuf_clearshadow()
776 memset(b->shadbuf, sndbuf_zerodata(b->fmt), b->sl); in sndbuf_clearshadow()
794 sndbuf_getpeaks(struct snd_dbuf *b, int *lp, int *rp) in sndbuf_getpeaks() argument