1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
4  * Copyright (c) 2008-2009 Ariff Abdullah <ariff@FreeBSD.org>
49 	struct feeder_chain_state origin;	/* original state */  member
146 	desc = &(cdesc->desc);  in feeder_build_format()
147 	desc->in = 0;  in feeder_build_format()
148 	desc->out = 0;  in feeder_build_format()
152 		device_printf(c->dev,  in feeder_build_format()
157 	desc->in = cdesc->current.afmt;  in feeder_build_format()
158 	desc->out = cdesc->target.afmt;  in feeder_build_format()
162 		device_printf(c->dev,  in feeder_build_format()
167 	c->feederflags |= 1 << FEEDER_FORMAT;  in feeder_build_format()
169 	cdesc->current.afmt = cdesc->target.afmt;  in feeder_build_format()
184 	if (cdesc->afmt_ne == 0 ||  in feeder_build_formatne()
185 	    AFMT_ENCODING(cdesc->current.afmt) == cdesc->afmt_ne)  in feeder_build_formatne()
188 	otarget = cdesc->target;  in feeder_build_formatne()
189 	cdesc->target = cdesc->current;  in feeder_build_formatne()
190 	cdesc->target.afmt = SND_FORMAT(cdesc->afmt_ne,  in feeder_build_formatne()
191 	    cdesc->current.matrix->channels, cdesc->current.matrix->ext);  in feeder_build_formatne()
197 	cdesc->target = otarget;  in feeder_build_formatne()
217 	desc = &(cdesc->desc);  in feeder_build_rate()
218 	desc->in = 0;  in feeder_build_rate()
219 	desc->out = 0;  in feeder_build_rate()
223 		device_printf(c->dev,  in feeder_build_rate()
228 	desc->in = cdesc->current.afmt;  in feeder_build_rate()
229 	desc->out = desc->in;  in feeder_build_rate()
233 		device_printf(c->dev,  in feeder_build_rate()
238 	f = c->feeder;  in feeder_build_rate()
248 	if (cdesc->dummy != 0) {  in feeder_build_rate()
251 			device_printf(c->dev,  in feeder_build_rate()
257 	ret = FEEDER_SET(f, FEEDRATE_SRC, cdesc->current.rate);  in feeder_build_rate()
259 		device_printf(c->dev,  in feeder_build_rate()
264 	ret = FEEDER_SET(f, FEEDRATE_DST, cdesc->target.rate);  in feeder_build_rate()
266 		device_printf(c->dev,  in feeder_build_rate()
271 	c->feederflags |= 1 << FEEDER_RATE;  in feeder_build_rate()
273 	cdesc->current.rate = cdesc->target.rate;  in feeder_build_rate()
293 	desc = &(cdesc->desc);  in feeder_build_matrix()
294 	desc->in = 0;  in feeder_build_matrix()
295 	desc->out = 0;  in feeder_build_matrix()
299 		device_printf(c->dev,  in feeder_build_matrix()
304 	desc->in = cdesc->current.afmt;  in feeder_build_matrix()
305 	desc->out = SND_FORMAT(cdesc->current.afmt,  in feeder_build_matrix()
306 	    cdesc->target.matrix->channels, cdesc->target.matrix->ext);  in feeder_build_matrix()
310 		device_printf(c->dev,  in feeder_build_matrix()
315 	f = c->feeder;  in feeder_build_matrix()
316 	ret = feeder_matrix_setup(f, cdesc->current.matrix,  in feeder_build_matrix()
317 	    cdesc->target.matrix);  in feeder_build_matrix()
319 		device_printf(c->dev,  in feeder_build_matrix()
324 	c->feederflags |= 1 << FEEDER_MATRIX;  in feeder_build_matrix()
326 	cdesc->current.afmt = desc->out;  in feeder_build_matrix()
327 	cdesc->current.matrix = cdesc->target.matrix;  in feeder_build_matrix()
328 	cdesc->use_matrix = 0;  in feeder_build_matrix()
348 	desc = &(cdesc->desc);  in feeder_build_volume()
349 	desc->in = 0;  in feeder_build_volume()
350 	desc->out = 0;  in feeder_build_volume()
354 		device_printf(c->dev,  in feeder_build_volume()
359 	desc->in = cdesc->current.afmt;  in feeder_build_volume()
360 	desc->out = desc->in;  in feeder_build_volume()
364 		device_printf(c->dev,  in feeder_build_volume()
369 	f = c->feeder;  in feeder_build_volume()
376 	if (cdesc->dummy != 0) {  in feeder_build_volume()
379 			device_printf(c->dev,  in feeder_build_volume()
385 	ret = feeder_volume_apply_matrix(f, cdesc->current.matrix);  in feeder_build_volume()
387 		device_printf(c->dev,  in feeder_build_volume()
392 	c->feederflags |= 1 << FEEDER_VOLUME;  in feeder_build_volume()
394 	cdesc->use_volume = 0;  in feeder_build_volume()
414 	desc = &(cdesc->desc);  in feeder_build_eq()
415 	desc->in = 0;  in feeder_build_eq()
416 	desc->out = 0;  in feeder_build_eq()
420 		device_printf(c->dev,  in feeder_build_eq()
425 	desc->in = cdesc->current.afmt;  in feeder_build_eq()
426 	desc->out = desc->in;  in feeder_build_eq()
430 		device_printf(c->dev,  in feeder_build_eq()
435 	f = c->feeder;  in feeder_build_eq()
437 	ret = FEEDER_SET(f, FEEDEQ_RATE, cdesc->current.rate);  in feeder_build_eq()
439 		device_printf(c->dev,  in feeder_build_eq()
444 	c->feederflags |= 1 << FEEDER_EQ;  in feeder_build_eq()
446 	cdesc->use_eq = 0;  in feeder_build_eq()
462 		device_printf(c->dev,  in feeder_build_root()
469 		device_printf(c->dev,  in feeder_build_root()
474 	c->feederflags |= 1 << FEEDER_ROOT;  in feeder_build_root()
476 	c->feeder->desc->in = cdesc->current.afmt;  in feeder_build_root()
477 	c->feeder->desc->out = cdesc->current.afmt;  in feeder_build_root()
492 	desc = &(cdesc->desc);  in feeder_build_mixer()
493 	desc->in = 0;  in feeder_build_mixer()
494 	desc->out = 0;  in feeder_build_mixer()
498 		device_printf(c->dev,  in feeder_build_mixer()
503 	desc->in = cdesc->current.afmt;  in feeder_build_mixer()
504 	desc->out = desc->in;  in feeder_build_mixer()
508 		device_printf(c->dev,  in feeder_build_mixer()
513 	c->feederflags |= 1 << FEEDER_MIXER;  in feeder_build_mixer()
519 #define FEEDER_BW(c, t)		((c)->t.matrix->channels * (c)->t.rate)
521 #define FEEDRATE_UP(c)		((c)->target.rate > (c)->current.rate)
522 #define FEEDRATE_DOWN(c)	((c)->target.rate < (c)->current.rate)
525 #define FEEDMATRIX_UP(c)	((c)->target.matrix->channels >		\
526 				 (c)->current.matrix->channels)
527 #define FEEDMATRIX_DOWN(c)	((c)->target.matrix->channels <		\
528 				 (c)->current.matrix->channels)
530 				 FEEDMATRIX_DOWN(c) || (c)->use_matrix != 0)
532 #define FEEDFORMAT_REQUIRED(c)	(AFMT_ENCODING((c)->current.afmt) !=	\
533 				 AFMT_ENCODING((c)->target.afmt))
535 #define FEEDVOLUME_REQUIRED(c)	((c)->use_volume != 0)
537 #define FEEDEQ_VALIDRATE(c, t)	(feeder_eq_validrate((c)->t.rate) != 0)
539 #define FEEDEQ_REQUIRED(c)	((c)->use_eq != 0 &&			\
543 	((c)->afmt_ne != AFMT_S32_NE &&					\
544 	(((c)->mode == FEEDER_CHAIN_16 &&				\
545 	AFMT_ENCODING((c)->current.afmt) != AFMT_S16_NE) ||		\
546 	((c)->mode == FEEDER_CHAIN_32 &&				\
547 	AFMT_ENCODING((c)->current.afmt) != AFMT_S32_NE) ||		\
548 	(c)->mode == FEEDER_CHAIN_FULLMULTI ||				\
549 	((c)->mode == FEEDER_CHAIN_MULTI &&				\
550 	((c)->current.afmt & AFMT_8BIT)) ||				\
551 	((c)->mode == FEEDER_CHAIN_LEAN &&				\
552 	!((c)->current.afmt & (AFMT_S16_NE | AFMT_S32_NE)))))
557 	int x;  in feeder_default_matrix()  local
561 	m->id = id;  in feeder_default_matrix()
562 	m->channels = AFMT_CHANNEL(fmt);  in feeder_default_matrix()
563 	m->ext = AFMT_EXTCHANNEL(fmt);  in feeder_default_matrix()
564 	for (x = 0; x != SND_CHN_T_MAX; x++)  in feeder_default_matrix()
565 		m->offset[x] = -1;  in feeder_default_matrix()
583 	KASSERT(c->feeder == NULL, ("feeder chain not empty"));  in feeder_chain()
607 #define VCHAN_PASSTHROUGH(c)	(((c)->flags & (CHN_F_VIRTUAL |		\  in feeder_chain()
613 		hwfmt = c->parentchannel->format;  in feeder_chain()
616 		if (caps == NULL || caps->fmtlist == NULL) {  in feeder_chain()
617 			device_printf(c->dev,  in feeder_chain()
622 		if ((c->format & AFMT_PASSTHROUGH) &&  in feeder_chain()
623 		    !snd_fmtvalid(c->format, caps->fmtlist))  in feeder_chain()
626 		hwfmt = snd_fmtbest(c->format, caps->fmtlist);  in feeder_chain()
627 		if (hwfmt == 0 || !snd_fmtvalid(hwfmt, caps->fmtlist)) {  in feeder_chain()
628 			device_printf(c->dev,  in feeder_chain()
629 			    "%s(): invalid hardware format 0x%08x\n",  in feeder_chain()
633 				for (i = 0; caps->fmtlist[i] != 0; i++)  in feeder_chain()
634 					printf("0x%08x\n", caps->fmtlist[i]);  in feeder_chain()
635 				printf("Req: 0x%08x\n", c->format);  in feeder_chain()
645 	hwmatrix = CHANNEL_GETMATRIX(c->methods, c->devinfo, hwfmt);  in feeder_chain()
648 		hwmatrix = &c->matrix_scratch;  in feeder_chain()
653 	hwfmt = SND_FORMAT(hwfmt, hwmatrix->channels, hwmatrix->ext);  in feeder_chain()
656 	softfmt = c->format;  in feeder_chain()
657 	softmatrix = &c->matrix;  in feeder_chain()
658 	if (softmatrix->channels != AFMT_CHANNEL(softfmt) ||  in feeder_chain()
659 	    softmatrix->ext != AFMT_EXTCHANNEL(softfmt)) {  in feeder_chain()
663 		  	softmatrix = &c->matrix;  in feeder_chain()
667 			c->matrix = *softmatrix;  in feeder_chain()
668 			c->matrix.id = SND_CHN_MATRIX_PCMCHANNEL;  in feeder_chain()
671 	softfmt = SND_FORMAT(softfmt, softmatrix->channels, softmatrix->ext);  in feeder_chain()
672 	if (softfmt != c->format)  in feeder_chain()
673 		device_printf(c->dev,  in feeder_chain()
674 		    "%s(): WARNING: %s Soft format 0x%08x -> 0x%08x\n",  in feeder_chain()
675 		    __func__, CHN_DIRSTR(c), c->format, softfmt);  in feeder_chain()
680 	if (c->direction == PCMDIR_PLAY) {  in feeder_chain()
681 		cdesc.origin.afmt    = softfmt;  in feeder_chain()
682 		cdesc.origin.matrix  = softmatrix;  in feeder_chain()
683 		cdesc.origin.rate    = c->speed;  in feeder_chain()
686 		cdesc.target.rate    = c->bufhard->spd;  in feeder_chain()
688 		cdesc.origin.afmt    = hwfmt;  in feeder_chain()
689 		cdesc.origin.matrix  = hwmatrix;  in feeder_chain()
690 		cdesc.origin.rate    = c->bufhard->spd;  in feeder_chain()
693 		cdesc.target.rate    = c->speed;  in feeder_chain()
696 	d = c->parentsnddev;  in feeder_chain()
700 	 * that 'origin' and 'target' identical, skipping mostly chain  in feeder_chain()
703 	if (CHN_BITPERFECT(c) || (c->format & AFMT_PASSTHROUGH)) {  in feeder_chain()
704 		if (c->direction == PCMDIR_PLAY)  in feeder_chain()
705 			cdesc.origin = cdesc.target;  in feeder_chain()
707 			cdesc.target = cdesc.origin;  in feeder_chain()
708 		c->format = cdesc.target.afmt;  in feeder_chain()
709 		c->speed  = cdesc.target.rate;  in feeder_chain()
714 		if ((cdesc.origin.afmt & AFMT_CONVERTIBLE) == 0 ||  in feeder_chain()
716 			device_printf(c->dev,  in feeder_chain()
717 			    "%s(): unsupported formats: in=0x%08x, out=0x%08x\n",  in feeder_chain()
718 			    __func__, cdesc.origin.afmt, cdesc.target.afmt);  in feeder_chain()
727 		    (((d->flags & SD_F_VPC) && !(c->flags & CHN_F_HAS_VCHAN)) ||  in feeder_chain()
728 		    (!(d->flags & SD_F_VPC) && (d->flags & SD_F_SOFTPCMVOL) &&  in feeder_chain()
729 		    !(c->flags & CHN_F_VIRTUAL))))  in feeder_chain()
732 		if (feeder_matrix_compare(cdesc.origin.matrix,  in feeder_chain()
738 		    c->direction == PCMDIR_PLAY && (d->flags & SD_F_EQ) &&  in feeder_chain()
739 		    (((d->flags & SD_F_EQ_PC) &&  in feeder_chain()
740 		    !(c->flags & CHN_F_HAS_VCHAN)) ||  in feeder_chain()
741 		    (!(d->flags & SD_F_EQ_PC) && !(c->flags & CHN_F_VIRTUAL))))  in feeder_chain()
752 				device_printf(c->dev,  in feeder_chain()
763 	cdesc.current = cdesc.origin;  in feeder_chain()
767 	c->feederflags = 0;  in feeder_chain()
775 	if (!(c->flags & CHN_F_HAS_VCHAN) || c->direction == PCMDIR_REC)  in feeder_chain()
777 	else if (c->direction == PCMDIR_PLAY && (c->flags & CHN_F_HAS_VCHAN))  in feeder_chain()
784 	 * conversion process, with following constraints:-  in feeder_chain()
846 	if (c->direction == PCMDIR_REC && (c->flags & CHN_F_HAS_VCHAN))  in feeder_chain()
849 	sndbuf_setfmt(c->bufsoft, c->format);  in feeder_chain()
850 	sndbuf_setspd(c->bufsoft, c->speed);  in feeder_chain()
852 	sndbuf_setfmt(c->bufhard, hwfmt);  in feeder_chain()