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yds.c revision 1.25
      1 /*	$NetBSD: yds.c,v 1.25 2004/11/13 15:00:48 kent Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2000, 2001 Kazuki Sakamoto and Minoura Makoto.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 /*
     29  * Yamaha YMF724[B-F]/740[B-C]/744/754
     30  *
     31  * Documentation links:
     32  * - ftp://ftp.alsa-project.org/pub/manuals/yamaha/
     33  * - ftp://ftp.alsa-project.org/pub/manuals/yamaha/pci/
     34  *
     35  * TODO:
     36  * - FM synth volume (difficult: mixed before ac97)
     37  * - Digital in/out (SPDIF) support
     38  * - Effect??
     39  */
     40 
     41 #include <sys/cdefs.h>
     42 __KERNEL_RCSID(0, "$NetBSD: yds.c,v 1.25 2004/11/13 15:00:48 kent Exp $");
     43 
     44 #include "mpu.h"
     45 
     46 #include <sys/param.h>
     47 #include <sys/systm.h>
     48 #include <sys/kernel.h>
     49 #include <sys/fcntl.h>
     50 #include <sys/malloc.h>
     51 #include <sys/device.h>
     52 #include <sys/proc.h>
     53 
     54 #include <dev/pci/pcidevs.h>
     55 #include <dev/pci/pcireg.h>
     56 #include <dev/pci/pcivar.h>
     57 
     58 #include <sys/audioio.h>
     59 #include <dev/audio_if.h>
     60 #include <dev/mulaw.h>
     61 #include <dev/auconv.h>
     62 #include <dev/ic/ac97reg.h>
     63 #include <dev/ic/ac97var.h>
     64 #include <dev/ic/mpuvar.h>
     65 
     66 #include <machine/bus.h>
     67 #include <machine/intr.h>
     68 
     69 #include <dev/microcode/yds/yds_hwmcode.h>
     70 #include <dev/pci/ydsreg.h>
     71 #include <dev/pci/ydsvar.h>
     72 
     73 /* Debug */
     74 #undef YDS_USE_REC_SLOT
     75 #define YDS_USE_P44
     76 
     77 #ifdef AUDIO_DEBUG
     78 # define DPRINTF(x)	if (ydsdebug) printf x
     79 # define DPRINTFN(n,x)	if (ydsdebug>(n)) printf x
     80 int	ydsdebug = 0;
     81 #else
     82 # define DPRINTF(x)
     83 # define DPRINTFN(n,x)
     84 #endif
     85 #ifdef YDS_USE_REC_SLOT
     86 # define YDS_INPUT_SLOT 0	/* REC slot = ADC + loopbacks */
     87 #else
     88 # define YDS_INPUT_SLOT 1	/* ADC slot */
     89 #endif
     90 
     91 int	yds_match(struct device *, struct cfdata *, void *);
     92 void	yds_attach(struct device *, struct device *, void *);
     93 int	yds_intr(void *);
     94 
     95 #define DMAADDR(p)	((p)->map->dm_segs[0].ds_addr)
     96 #define KERNADDR(p)	((void *)((p)->addr))
     97 
     98 int	yds_allocmem(struct yds_softc *, size_t, size_t, struct yds_dma *);
     99 int	yds_freemem(struct yds_softc *, struct yds_dma *);
    100 
    101 #ifndef AUDIO_DEBUG
    102 #define YWRITE1(sc, r, x) bus_space_write_1((sc)->memt, (sc)->memh, (r), (x))
    103 #define YWRITE2(sc, r, x) bus_space_write_2((sc)->memt, (sc)->memh, (r), (x))
    104 #define YWRITE4(sc, r, x) bus_space_write_4((sc)->memt, (sc)->memh, (r), (x))
    105 #define YREAD1(sc, r)	bus_space_read_1((sc)->memt, (sc)->memh, (r))
    106 #define YREAD2(sc, r)	bus_space_read_2((sc)->memt, (sc)->memh, (r))
    107 #define YREAD4(sc, r)	bus_space_read_4((sc)->memt, (sc)->memh, (r))
    108 #else
    109 
    110 u_int16_t YREAD2(struct yds_softc *, bus_size_t);
    111 u_int32_t YREAD4(struct yds_softc *, bus_size_t);
    112 void	YWRITE1(struct yds_softc *, bus_size_t, u_int8_t);
    113 void	YWRITE2(struct yds_softc *, bus_size_t, u_int16_t);
    114 void	YWRITE4(struct yds_softc *, bus_size_t, u_int32_t);
    115 
    116 u_int16_t YREAD2(struct yds_softc *sc, bus_size_t r)
    117 {
    118 	DPRINTFN(5, (" YREAD2(0x%lX)\n", (unsigned long)r));
    119 	return bus_space_read_2(sc->memt, sc->memh, r);
    120 }
    121 u_int32_t YREAD4(struct yds_softc *sc, bus_size_t r)
    122 {
    123 	DPRINTFN(5, (" YREAD4(0x%lX)\n", (unsigned long)r));
    124 	return bus_space_read_4(sc->memt, sc->memh, r);
    125 }
    126 void YWRITE1(struct yds_softc *sc, bus_size_t r, u_int8_t x)
    127 {
    128 	DPRINTFN(5, (" YWRITE1(0x%lX,0x%lX)\n", (unsigned long)r,
    129 		     (unsigned long)x));
    130 	bus_space_write_1(sc->memt, sc->memh, r, x);
    131 }
    132 void YWRITE2(struct yds_softc *sc, bus_size_t r, u_int16_t x)
    133 {
    134 	DPRINTFN(5, (" YWRITE2(0x%lX,0x%lX)\n", (unsigned long)r,
    135 		     (unsigned long)x));
    136 	bus_space_write_2(sc->memt, sc->memh, r, x);
    137 }
    138 void YWRITE4(struct yds_softc *sc, bus_size_t r, u_int32_t x)
    139 {
    140 	DPRINTFN(5, (" YWRITE4(0x%lX,0x%lX)\n", (unsigned long)r,
    141 		     (unsigned long)x));
    142 	bus_space_write_4(sc->memt, sc->memh, r, x);
    143 }
    144 #endif
    145 
    146 #define	YWRITEREGION4(sc, r, x, c)	\
    147 	bus_space_write_region_4((sc)->memt, (sc)->memh, (r), (x), (c) / 4)
    148 
    149 CFATTACH_DECL(yds, sizeof(struct yds_softc),
    150     yds_match, yds_attach, NULL, NULL);
    151 
    152 int	yds_open(void *, int);
    153 void	yds_close(void *);
    154 int	yds_query_encoding(void *, struct audio_encoding *);
    155 int	yds_set_params(void *, int, int,
    156 		       struct audio_params *, struct audio_params *);
    157 int	yds_round_blocksize(void *, int);
    158 int	yds_trigger_output(void *, void *, void *, int, void (*)(void *),
    159 			   void *, struct audio_params *);
    160 int	yds_trigger_input(void *, void *, void *, int, void (*)(void *),
    161 			  void *, struct audio_params *);
    162 int	yds_halt_output(void *);
    163 int	yds_halt_input(void *);
    164 int	yds_getdev(void *, struct audio_device *);
    165 int	yds_mixer_set_port(void *, mixer_ctrl_t *);
    166 int	yds_mixer_get_port(void *, mixer_ctrl_t *);
    167 void   *yds_malloc(void *, int, size_t, struct malloc_type *, int);
    168 void	yds_free(void *, void *, struct malloc_type *);
    169 size_t	yds_round_buffersize(void *, int, size_t);
    170 paddr_t yds_mappage(void *, void *, off_t, int);
    171 int	yds_get_props(void *);
    172 int	yds_query_devinfo(void *, mixer_devinfo_t *);
    173 
    174 int     yds_attach_codec(void *, struct ac97_codec_if *);
    175 int	yds_read_codec(void *, u_int8_t , u_int16_t *);
    176 int	yds_write_codec(void *, u_int8_t , u_int16_t );
    177 int     yds_reset_codec(void *);
    178 int     yds_get_portnum_by_name(struct yds_softc *, char *, char *, char *);
    179 
    180 static u_int	yds_get_dstype(int);
    181 static int	yds_download_mcode(struct yds_softc *);
    182 static int	yds_allocate_slots(struct yds_softc *);
    183 static void	yds_configure_legacy(struct device *);
    184 static void	yds_enable_dsp(struct yds_softc *);
    185 static int	yds_disable_dsp(struct yds_softc *);
    186 static int	yds_ready_codec(struct yds_codec_softc *);
    187 static int	yds_halt(struct yds_softc *);
    188 static u_int32_t yds_get_lpfq(u_int);
    189 static u_int32_t yds_get_lpfk(u_int);
    190 static struct yds_dma *yds_find_dma(struct yds_softc *, void *);
    191 
    192 static int	yds_init(struct yds_softc *);
    193 static void	yds_powerhook(int, void *);
    194 
    195 #ifdef AUDIO_DEBUG
    196 static void	yds_dump_play_slot(struct yds_softc *, int);
    197 #define	YDS_DUMP_PLAY_SLOT(n, sc, bank) \
    198 	if (ydsdebug > (n)) yds_dump_play_slot(sc, bank)
    199 #else
    200 #define	YDS_DUMP_PLAY_SLOT(n, sc, bank)
    201 #endif /* AUDIO_DEBUG */
    202 
    203 static const struct audio_hw_if yds_hw_if = {
    204 	yds_open,
    205 	yds_close,
    206 	NULL,
    207 	yds_query_encoding,
    208 	yds_set_params,
    209 	yds_round_blocksize,
    210 	NULL,
    211 	NULL,
    212 	NULL,
    213 	NULL,
    214 	NULL,
    215 	yds_halt_output,
    216 	yds_halt_input,
    217 	NULL,
    218 	yds_getdev,
    219 	NULL,
    220 	yds_mixer_set_port,
    221 	yds_mixer_get_port,
    222 	yds_query_devinfo,
    223 	yds_malloc,
    224 	yds_free,
    225 	yds_round_buffersize,
    226 	yds_mappage,
    227 	yds_get_props,
    228 	yds_trigger_output,
    229 	yds_trigger_input,
    230 	NULL,
    231 };
    232 
    233 const struct audio_device yds_device = {
    234 	"Yamaha DS-1",
    235 	"",
    236 	"yds"
    237 };
    238 
    239 const static struct {
    240 	u_int	id;
    241 	u_int	flags;
    242 #define YDS_CAP_MCODE_1			0x0001
    243 #define YDS_CAP_MCODE_1E		0x0002
    244 #define YDS_CAP_LEGACY_SELECTABLE	0x0004
    245 #define YDS_CAP_LEGACY_FLEXIBLE		0x0008
    246 #define YDS_CAP_HAS_P44			0x0010
    247 } yds_chip_capabliity_list[] = {
    248 	{ PCI_PRODUCT_YAMAHA_YMF724,
    249 	  YDS_CAP_MCODE_1|YDS_CAP_LEGACY_SELECTABLE },
    250 	/* 740[C] has only 32 slots.  But anyway we use only 2 */
    251 	{ PCI_PRODUCT_YAMAHA_YMF740,
    252 	  YDS_CAP_MCODE_1|YDS_CAP_LEGACY_SELECTABLE },	/* XXX NOT TESTED */
    253 	{ PCI_PRODUCT_YAMAHA_YMF740C,
    254 	  YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_SELECTABLE },
    255 	{ PCI_PRODUCT_YAMAHA_YMF724F,
    256 	  YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_SELECTABLE },
    257 	{ PCI_PRODUCT_YAMAHA_YMF744B,
    258 	  YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_FLEXIBLE },
    259 	{ PCI_PRODUCT_YAMAHA_YMF754,
    260 	  YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_FLEXIBLE|YDS_CAP_HAS_P44 },
    261 	{ 0, 0 }
    262 };
    263 #ifdef AUDIO_DEBUG
    264 #define YDS_CAP_BITS	"\020\005P44\004LEGFLEX\003LEGSEL\002MCODE1E\001MCODE1"
    265 #endif
    266 
    267 static const struct audio_format yds_formats[] = {
    268 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    269 	 1, AUFMT_MONAURAL, 0, {4000, 48000}},
    270 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    271 	 2, AUFMT_STEREO, 0, {4000, 48000}},
    272 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    273 	 1, AUFMT_MONAURAL, 0, {4000, 48000}},
    274 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    275 	 2, AUFMT_STEREO, 0, {4000, 48000}},
    276 };
    277 #define	YDS_NFORMATS	(sizeof(yds_formats) / sizeof(struct audio_format))
    278 
    279 #ifdef AUDIO_DEBUG
    280 static void
    281 yds_dump_play_slot(struct yds_softc *sc, int bank)
    282 {
    283 	int i, j;
    284 	u_int32_t *p;
    285 	u_int32_t num;
    286 	char *pa;
    287 
    288 	for (i = 0; i < N_PLAY_SLOTS; i++) {
    289 		printf("pbankp[%d] = %p,", i*2, sc->pbankp[i*2]);
    290 		printf("pbankp[%d] = %p\n", i*2+1, sc->pbankp[i*2+1]);
    291 	}
    292 
    293 	pa = (char *)DMAADDR(&sc->sc_ctrldata) + sc->pbankoff;
    294 	p = (u_int32_t *)sc->ptbl;
    295 	printf("ptbl + 0: %d\n", *p++);
    296 	for (i = 0; i < N_PLAY_SLOTS; i++) {
    297 		printf("ptbl + %d: 0x%x, should be %p\n",
    298 		       i+1, *p,
    299 		       pa + i * sizeof(struct play_slot_ctrl_bank) *
    300 				N_PLAY_SLOT_CTRL_BANK);
    301 		p++;
    302 	}
    303 
    304 	num = le32toh(*(u_int32_t*)sc->ptbl);
    305 	printf("numofplay = %d\n", num);
    306 
    307 	for (i = 0; i < num; i++) {
    308 		p = (u_int32_t *)sc->pbankp[i*2];
    309 
    310 		printf("  pbankp[%d], bank 0 : %p\n", i*2, p);
    311 		for (j = 0;
    312 		     j < sizeof(struct play_slot_ctrl_bank) / sizeof(u_int32_t);
    313 		     j++) {
    314 			printf("    0x%02x: 0x%08x\n",
    315 			       (unsigned)(j * sizeof(u_int32_t)),
    316 			       (unsigned)*p++);
    317 		}
    318 
    319 		p = (u_int32_t *)sc->pbankp[i*2 + 1];
    320 		printf("  pbankp[%d], bank 1 : %p\n", i*2 + 1, p);
    321 		for (j = 0;
    322 		     j < sizeof(struct play_slot_ctrl_bank) / sizeof(u_int32_t);
    323 		     j++) {
    324 			printf("    0x%02x: 0x%08x\n",
    325 			       (unsigned)(j * sizeof(u_int32_t)),
    326 			       (unsigned)*p++);
    327 		}
    328 	}
    329 }
    330 #endif /* AUDIO_DEBUG */
    331 
    332 static u_int
    333 yds_get_dstype(int id)
    334 {
    335 	int i;
    336 
    337 	for (i = 0; yds_chip_capabliity_list[i].id; i++) {
    338 		if (PCI_PRODUCT(id) == yds_chip_capabliity_list[i].id)
    339 			return yds_chip_capabliity_list[i].flags;
    340 	}
    341 
    342 	return -1;
    343 }
    344 
    345 static int
    346 yds_download_mcode(struct yds_softc *sc)
    347 {
    348 	u_int ctrl;
    349 	const u_int32_t *p;
    350 	size_t size;
    351 	int dstype;
    352 
    353 	static struct {
    354 		const u_int32_t *mcode;
    355 		size_t size;
    356 	} ctrls[] = {
    357 		{yds_ds1_ctrl_mcode, sizeof(yds_ds1_ctrl_mcode)},
    358 		{yds_ds1e_ctrl_mcode, sizeof(yds_ds1e_ctrl_mcode)},
    359 	};
    360 
    361 	if (sc->sc_flags & YDS_CAP_MCODE_1)
    362 		dstype = YDS_DS_1;
    363 	else if (sc->sc_flags & YDS_CAP_MCODE_1E)
    364 		dstype = YDS_DS_1E;
    365 	else
    366 		return 1;	/* unknown */
    367 
    368 	if (yds_disable_dsp(sc))
    369 		return 1;
    370 
    371 	/* Software reset */
    372 	YWRITE4(sc, YDS_MODE, YDS_MODE_RESET);
    373 	YWRITE4(sc, YDS_MODE, 0);
    374 
    375 	YWRITE4(sc, YDS_MAPOF_REC, 0);
    376 	YWRITE4(sc, YDS_MAPOF_EFFECT, 0);
    377 	YWRITE4(sc, YDS_PLAY_CTRLBASE, 0);
    378 	YWRITE4(sc, YDS_REC_CTRLBASE, 0);
    379 	YWRITE4(sc, YDS_EFFECT_CTRLBASE, 0);
    380 	YWRITE4(sc, YDS_WORK_BASE, 0);
    381 
    382 	ctrl = YREAD2(sc, YDS_GLOBAL_CONTROL);
    383 	YWRITE2(sc, YDS_GLOBAL_CONTROL, ctrl & ~0x0007);
    384 
    385 	/* Download DSP microcode. */
    386 	p = yds_dsp_mcode;
    387 	size = sizeof(yds_dsp_mcode);
    388 	YWRITEREGION4(sc, YDS_DSP_INSTRAM, p, size);
    389 
    390 	/* Download CONTROL microcode. */
    391 	p = ctrls[dstype].mcode;
    392 	size = ctrls[dstype].size;
    393 	YWRITEREGION4(sc, YDS_CTRL_INSTRAM, p, size);
    394 
    395 	yds_enable_dsp(sc);
    396 	delay(10 * 1000);		/* nessesary on my 724F (??) */
    397 
    398 	return 0;
    399 }
    400 
    401 static int
    402 yds_allocate_slots(struct yds_softc *sc)
    403 {
    404 	size_t pcs, rcs, ecs, ws, memsize;
    405 	void *mp;
    406 	u_int32_t da;		/* DMA address */
    407 	char *va;		/* KVA */
    408 	off_t cb;
    409 	int i;
    410 	struct yds_dma *p;
    411 
    412 	/* Alloc DSP Control Data */
    413 	pcs = YREAD4(sc, YDS_PLAY_CTRLSIZE) * sizeof(u_int32_t);
    414 	rcs = YREAD4(sc, YDS_REC_CTRLSIZE) * sizeof(u_int32_t);
    415 	ecs = YREAD4(sc, YDS_EFFECT_CTRLSIZE) * sizeof(u_int32_t);
    416 	ws = WORK_SIZE;
    417 	YWRITE4(sc, YDS_WORK_SIZE, ws / sizeof(u_int32_t));
    418 
    419 	DPRINTF(("play control size : %d\n", (unsigned int)pcs));
    420 	DPRINTF(("rec control size : %d\n", (unsigned int)rcs));
    421 	DPRINTF(("eff control size : %d\n", (unsigned int)ecs));
    422 	DPRINTF(("work size : %d\n", (unsigned int)ws));
    423 #ifdef DIAGNOSTIC
    424 	if (pcs != sizeof(struct play_slot_ctrl_bank)) {
    425 		printf("%s: invalid play slot ctrldata %d != %d\n",
    426 		       sc->sc_dev.dv_xname, (unsigned int)pcs,
    427 		       (unsigned int)sizeof(struct play_slot_ctrl_bank));
    428 	if (rcs != sizeof(struct rec_slot_ctrl_bank))
    429 		printf("%s: invalid rec slot ctrldata %d != %d\n",
    430 		       sc->sc_dev.dv_xname, (unsigned int)rcs,
    431 		       (unsigned int)sizeof(struct rec_slot_ctrl_bank));
    432 	}
    433 #endif
    434 
    435 	memsize = N_PLAY_SLOTS*N_PLAY_SLOT_CTRL_BANK*pcs +
    436 		  N_REC_SLOT_CTRL*N_REC_SLOT_CTRL_BANK*rcs + ws;
    437 	memsize += (N_PLAY_SLOTS+1)*sizeof(u_int32_t);
    438 
    439 	p = &sc->sc_ctrldata;
    440 	if (KERNADDR(p) == NULL) {
    441 		i = yds_allocmem(sc, memsize, 16, p);
    442 		if (i) {
    443 			printf("%s: couldn't alloc/map DSP DMA buffer, reason %d\n",
    444 				sc->sc_dev.dv_xname, i);
    445 			free(p, M_DEVBUF);
    446 			return 1;
    447 		}
    448 	}
    449 	mp = KERNADDR(p);
    450 	da = DMAADDR(p);
    451 
    452 	DPRINTF(("mp:%p, DMA addr:%p\n",
    453 		 mp, (void *)sc->sc_ctrldata.map->dm_segs[0].ds_addr));
    454 
    455 	memset(mp, 0, memsize);
    456 
    457 	/* Work space */
    458 	cb = 0;
    459 	va = (u_int8_t *)mp;
    460 	YWRITE4(sc, YDS_WORK_BASE, da + cb);
    461 	cb += ws;
    462 
    463 	/* Play control data table */
    464 	sc->ptbl = (u_int32_t *)(va + cb);
    465 	sc->ptbloff = cb;
    466 	YWRITE4(sc, YDS_PLAY_CTRLBASE, da + cb);
    467 	cb += (N_PLAY_SLOT_CTRL + 1) * sizeof(u_int32_t);
    468 
    469 	/* Record slot control data */
    470 	sc->rbank = (struct rec_slot_ctrl_bank *)(va + cb);
    471 	YWRITE4(sc, YDS_REC_CTRLBASE, da + cb);
    472 	sc->rbankoff = cb;
    473 	cb += N_REC_SLOT_CTRL * N_REC_SLOT_CTRL_BANK * rcs;
    474 
    475 #if 0
    476 	/* Effect slot control data -- unused */
    477 	YWRITE4(sc, YDS_EFFECT_CTRLBASE, da + cb);
    478 	cb += N_EFFECT_SLOT_CTRL * N_EFFECT_SLOT_CTRL_BANK * ecs;
    479 #endif
    480 
    481 	/* Play slot control data */
    482 	sc->pbankoff = cb;
    483 	for (i=0; i < N_PLAY_SLOT_CTRL; i++) {
    484 		sc->pbankp[i*2] = (struct play_slot_ctrl_bank *)(va + cb);
    485 		*(sc->ptbl + i+1) = htole32(da + cb);
    486 		cb += pcs;
    487 
    488 		sc->pbankp[i*2+1] = (struct play_slot_ctrl_bank *)(va + cb);
    489 		cb += pcs;
    490 	}
    491 	/* Sync play control data table */
    492 	bus_dmamap_sync(sc->sc_dmatag, p->map,
    493 			sc->ptbloff, (N_PLAY_SLOT_CTRL+1) * sizeof(u_int32_t),
    494 			BUS_DMASYNC_PREWRITE);
    495 
    496 	return 0;
    497 }
    498 
    499 static void
    500 yds_enable_dsp(struct yds_softc *sc)
    501 {
    502 	YWRITE4(sc, YDS_CONFIG, YDS_DSP_SETUP);
    503 }
    504 
    505 static int
    506 yds_disable_dsp(struct yds_softc *sc)
    507 {
    508 	int to;
    509 	u_int32_t data;
    510 
    511 	data = YREAD4(sc, YDS_CONFIG);
    512 	if (data)
    513 		YWRITE4(sc, YDS_CONFIG, YDS_DSP_DISABLE);
    514 
    515 	for (to = 0; to < YDS_WORK_TIMEOUT; to++) {
    516 		if ((YREAD4(sc, YDS_STATUS) & YDS_STAT_WORK) == 0)
    517 			return 0;
    518 		delay(1);
    519 	}
    520 
    521 	return 1;
    522 }
    523 
    524 int
    525 yds_match(struct device *parent, struct cfdata *match, void *aux)
    526 {
    527 	struct pci_attach_args *pa = (struct pci_attach_args *)aux;
    528 
    529 	switch (PCI_VENDOR(pa->pa_id)) {
    530 	case PCI_VENDOR_YAMAHA:
    531 		switch (PCI_PRODUCT(pa->pa_id)) {
    532 		case PCI_PRODUCT_YAMAHA_YMF724:
    533 		case PCI_PRODUCT_YAMAHA_YMF740:
    534 		case PCI_PRODUCT_YAMAHA_YMF740C:
    535 		case PCI_PRODUCT_YAMAHA_YMF724F:
    536 		case PCI_PRODUCT_YAMAHA_YMF744B:
    537 		case PCI_PRODUCT_YAMAHA_YMF754:
    538 			return (1);
    539 		}
    540 		break;
    541 	}
    542 
    543 	return (0);
    544 }
    545 
    546 /*
    547  * This routine is called after all the ISA devices are configured,
    548  * to avoid conflict.
    549  */
    550 static void
    551 yds_configure_legacy(struct device *arg)
    552 #define FLEXIBLE	(sc->sc_flags & YDS_CAP_LEGACY_FLEXIBLE)
    553 #define SELECTABLE	(sc->sc_flags & YDS_CAP_LEGACY_SELECTABLE)
    554 {
    555 	struct yds_softc *sc = (struct yds_softc*) arg;
    556 	pcireg_t reg;
    557 	struct device *dev;
    558 	int i;
    559 	bus_addr_t opl_addrs[] = {0x388, 0x398, 0x3A0, 0x3A8};
    560 	bus_addr_t mpu_addrs[] = {0x330, 0x300, 0x332, 0x334};
    561 
    562 	if (!FLEXIBLE && !SELECTABLE)
    563 		return;
    564 
    565 	reg = pci_conf_read(sc->sc_pc, sc->sc_pcitag, YDS_PCI_LEGACY);
    566 	reg &= ~0x8133c03f;	/* these bits are out of interest */
    567 	reg |= ((YDS_PCI_EX_LEGACY_IMOD) |
    568 		(YDS_PCI_LEGACY_FMEN |
    569 		 YDS_PCI_LEGACY_MEN /*| YDS_PCI_LEGACY_MIEN*/));
    570 	reg |= YDS_PCI_EX_LEGACY_SMOD_DISABLE;
    571 	if (FLEXIBLE) {
    572 		pci_conf_write(sc->sc_pc, sc->sc_pcitag, YDS_PCI_LEGACY, reg);
    573 		delay(100*1000);
    574 	}
    575 
    576 	/* Look for OPL */
    577 	dev = 0;
    578 	for (i = 0; i < sizeof(opl_addrs) / sizeof(bus_addr_t); i++) {
    579 		if (SELECTABLE) {
    580 			pci_conf_write(sc->sc_pc, sc->sc_pcitag,
    581 				       YDS_PCI_LEGACY, reg | (i << (0+16)));
    582 			delay(100*1000);	/* wait 100ms */
    583 		} else
    584 			pci_conf_write(sc->sc_pc, sc->sc_pcitag,
    585 				       YDS_PCI_FM_BA, opl_addrs[i]);
    586 		if (bus_space_map(sc->sc_opl_iot,
    587 				  opl_addrs[i], 4, 0, &sc->sc_opl_ioh) == 0) {
    588 			struct audio_attach_args aa;
    589 
    590 			aa.type = AUDIODEV_TYPE_OPL;
    591 			aa.hwif = aa.hdl = NULL;
    592 			dev = config_found(&sc->sc_dev, &aa, audioprint);
    593 			if (dev == 0)
    594 				bus_space_unmap(sc->sc_opl_iot,
    595 						sc->sc_opl_ioh, 4);
    596 			else {
    597 				if (SELECTABLE)
    598 					reg |= (i << (0+16));
    599 				break;
    600 			}
    601 		}
    602 	}
    603 	if (dev == 0) {
    604 		reg &= ~YDS_PCI_LEGACY_FMEN;
    605 		pci_conf_write(sc->sc_pc, sc->sc_pcitag,
    606 			       YDS_PCI_LEGACY, reg);
    607 	} else {
    608 		/* Max. volume */
    609 		YWRITE4(sc, YDS_LEGACY_OUT_VOLUME, 0x3fff3fff);
    610 		YWRITE4(sc, YDS_LEGACY_REC_VOLUME, 0x3fff3fff);
    611 	}
    612 
    613 	/* Look for MPU */
    614 	dev = 0;
    615 	for (i = 0; i < sizeof(mpu_addrs) / sizeof(bus_addr_t); i++) {
    616 		if (SELECTABLE)
    617 			pci_conf_write(sc->sc_pc, sc->sc_pcitag,
    618 				       YDS_PCI_LEGACY, reg | (i << (4+16)));
    619 		else
    620 			pci_conf_write(sc->sc_pc, sc->sc_pcitag,
    621 				       YDS_PCI_MPU_BA, mpu_addrs[i]);
    622 		if (bus_space_map(sc->sc_mpu_iot,
    623 				  mpu_addrs[i], 2, 0, &sc->sc_mpu_ioh) == 0) {
    624 			struct audio_attach_args aa;
    625 
    626 			aa.type = AUDIODEV_TYPE_MPU;
    627 			aa.hwif = aa.hdl = NULL;
    628 			dev = config_found(&sc->sc_dev, &aa, audioprint);
    629 			if (dev == 0)
    630 				bus_space_unmap(sc->sc_mpu_iot,
    631 						sc->sc_mpu_ioh, 2);
    632 			else {
    633 				if (SELECTABLE)
    634 					reg |= (i << (4+16));
    635 				break;
    636 			}
    637 		}
    638 	}
    639 	if (dev == 0) {
    640 		reg &= ~(YDS_PCI_LEGACY_MEN | YDS_PCI_LEGACY_MIEN);
    641 		pci_conf_write(sc->sc_pc, sc->sc_pcitag, YDS_PCI_LEGACY, reg);
    642 	}
    643 	sc->sc_mpu = dev;
    644 }
    645 #undef FLEXIBLE
    646 #undef SELECTABLE
    647 
    648 static int
    649 yds_init(struct yds_softc *sc)
    650 {
    651 	u_int32_t reg;
    652 
    653 	DPRINTF(("yds_init()\n"));
    654 
    655 	/* Download microcode */
    656 	if (yds_download_mcode(sc)) {
    657 		printf("%s: download microcode failed\n", sc->sc_dev.dv_xname);
    658 		return 1;
    659 	}
    660 
    661 	/* Allocate DMA buffers */
    662 	if (yds_allocate_slots(sc)) {
    663 		printf("%s: could not allocate slots\n", sc->sc_dev.dv_xname);
    664 		return 1;
    665 	}
    666 
    667 	/* Warm reset */
    668 	reg = pci_conf_read(sc->sc_pc, sc->sc_pcitag, YDS_PCI_DSCTRL);
    669 	pci_conf_write(sc->sc_pc, sc->sc_pcitag, YDS_PCI_DSCTRL,
    670 		reg | YDS_DSCTRL_WRST);
    671 	delay(50000);
    672 
    673 	return 0;
    674 }
    675 
    676 static void
    677 yds_powerhook(int why, void *addr)
    678 {
    679 	struct yds_softc *sc = addr;
    680 
    681 	if (why == PWR_RESUME) {
    682 		if (yds_init(sc)) {
    683 			printf("%s: reinitialize failed\n",
    684 				sc->sc_dev.dv_xname);
    685 			return;
    686 		}
    687 		sc->sc_codec[0].codec_if->vtbl->restore_ports(sc->sc_codec[0].codec_if);
    688 	}
    689 }
    690 
    691 void
    692 yds_attach(struct device *parent, struct device *self, void *aux)
    693 {
    694 	struct yds_softc *sc = (struct yds_softc *)self;
    695 	struct pci_attach_args *pa = (struct pci_attach_args *)aux;
    696 	pci_chipset_tag_t pc = pa->pa_pc;
    697 	char const *intrstr;
    698 	pci_intr_handle_t ih;
    699 	pcireg_t reg;
    700 	struct yds_codec_softc *codec;
    701 	char devinfo[256];
    702 	int i, r, to;
    703 	int revision;
    704 	int ac97_id2;
    705 
    706 	pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
    707 	revision = PCI_REVISION(pa->pa_class);
    708 	printf(": %s (rev. 0x%02x)\n", devinfo, revision);
    709 
    710 	/* Map register to memory */
    711 	if (pci_mapreg_map(pa, YDS_PCI_MBA, PCI_MAPREG_TYPE_MEM, 0,
    712 			   &sc->memt, &sc->memh, NULL, NULL)) {
    713 		printf("%s: can't map memory space\n", sc->sc_dev.dv_xname);
    714 		return;
    715 	}
    716 
    717 	/* Map and establish the interrupt. */
    718 	if (pci_intr_map(pa, &ih)) {
    719 		printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
    720 		return;
    721 	}
    722 	intrstr = pci_intr_string(pc, ih);
    723 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, yds_intr, sc);
    724 	if (sc->sc_ih == NULL) {
    725 		printf("%s: couldn't establish interrupt", sc->sc_dev.dv_xname);
    726 		if (intrstr != NULL)
    727 			printf(" at %s", intrstr);
    728 		printf("\n");
    729 		return;
    730 	}
    731 	printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
    732 
    733 	sc->sc_dmatag = pa->pa_dmat;
    734 	sc->sc_pc = pc;
    735 	sc->sc_pcitag = pa->pa_tag;
    736 	sc->sc_id = pa->pa_id;
    737 	sc->sc_revision = revision;
    738 	sc->sc_flags = yds_get_dstype(sc->sc_id);
    739 #ifdef AUDIO_DEBUG
    740 	if (ydsdebug) {
    741 		char bits[80];
    742 
    743 		printf("%s: chip has %s\n", sc->sc_dev.dv_xname,
    744 		       bitmask_snprintf(sc->sc_flags, YDS_CAP_BITS, bits,
    745 					sizeof(bits)));
    746 	}
    747 #endif
    748 
    749 	/* Disable legacy mode */
    750 	reg = pci_conf_read(pc, pa->pa_tag, YDS_PCI_LEGACY);
    751 	pci_conf_write(pc, pa->pa_tag, YDS_PCI_LEGACY,
    752 		       reg & YDS_PCI_LEGACY_LAD);
    753 
    754 	/* Enable the device. */
    755 	reg = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
    756 	reg |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
    757 		PCI_COMMAND_MASTER_ENABLE);
    758 	pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, reg);
    759 	reg = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
    760 
    761 	/* Mute all volumes */
    762 	for (i = 0x80; i < 0xc0; i += 2)
    763 		YWRITE2(sc, i, 0);
    764 
    765 	/* Initialize the device */
    766 	if (yds_init(sc)) {
    767 		printf("%s: initialize failed\n", sc->sc_dev.dv_xname);
    768 		return;
    769 	}
    770 
    771 	/*
    772 	 * Detect primary/secondary AC97
    773 	 *	YMF754 Hardware Specification Rev 1.01 page 24
    774 	 */
    775 	reg = pci_conf_read(pc, pa->pa_tag, YDS_PCI_DSCTRL);
    776 	pci_conf_write(pc, pa->pa_tag, YDS_PCI_DSCTRL, reg & ~YDS_DSCTRL_CRST);
    777 	delay(400000);		/* Needed for 740C. */
    778 
    779 	/* Primary */
    780 	for (to = 0; to < AC97_TIMEOUT; to++) {
    781 		if ((YREAD2(sc, AC97_STAT_ADDR1) & AC97_BUSY) == 0)
    782 			break;
    783 		delay(1);
    784 	}
    785 	if (to == AC97_TIMEOUT) {
    786 		printf("%s: no AC97 available\n", sc->sc_dev.dv_xname);
    787 		return;
    788 	}
    789 
    790 	/* Secondary */
    791 	/* Secondary AC97 is used for 4ch audio. Currently unused. */
    792 	ac97_id2 = -1;
    793 	if ((YREAD2(sc, YDS_ACTIVITY) & YDS_ACTIVITY_DOCKA) == 0)
    794 		goto detected;
    795 #if 0				/* reset secondary... */
    796 	YWRITE2(sc, YDS_GPIO_OCTRL,
    797 		YREAD2(sc, YDS_GPIO_OCTRL) & ~YDS_GPIO_GPO2);
    798 	YWRITE2(sc, YDS_GPIO_FUNCE,
    799 		(YREAD2(sc, YDS_GPIO_FUNCE)&(~YDS_GPIO_GPC2))|YDS_GPIO_GPE2);
    800 #endif
    801 	for (to = 0; to < AC97_TIMEOUT; to++) {
    802 		if ((YREAD2(sc, AC97_STAT_ADDR2) & AC97_BUSY) == 0)
    803 			break;
    804 		delay(1);
    805 	}
    806 	if (to < AC97_TIMEOUT) {
    807 		/* detect id */
    808 		for (ac97_id2 = 1; ac97_id2 < 4; ac97_id2++) {
    809 			YWRITE2(sc, AC97_CMD_ADDR,
    810 				AC97_CMD_READ | AC97_ID(ac97_id2) | 0x28);
    811 
    812 			for (to = 0; to < AC97_TIMEOUT; to++) {
    813 				if ((YREAD2(sc, AC97_STAT_ADDR2) & AC97_BUSY)
    814 				    == 0)
    815 					goto detected;
    816 				delay(1);
    817 			}
    818 		}
    819 		if (ac97_id2 == 4)
    820 			ac97_id2 = -1;
    821 detected:
    822 		;
    823 	}
    824 
    825 	pci_conf_write(pc, pa->pa_tag, YDS_PCI_DSCTRL, reg | YDS_DSCTRL_CRST);
    826 	delay (20);
    827 	pci_conf_write(pc, pa->pa_tag, YDS_PCI_DSCTRL, reg & ~YDS_DSCTRL_CRST);
    828 	delay (400000);
    829 	for (to = 0; to < AC97_TIMEOUT; to++) {
    830 		if ((YREAD2(sc, AC97_STAT_ADDR1) & AC97_BUSY) == 0)
    831 			break;
    832 		delay(1);
    833 	}
    834 
    835 	/*
    836 	 * Attach ac97 codec
    837 	 */
    838 	for (i = 0; i < 2; i++) {
    839 		static struct {
    840 			int data;
    841 			int addr;
    842 		} statregs[] = {
    843 			{AC97_STAT_DATA1, AC97_STAT_ADDR1},
    844 			{AC97_STAT_DATA2, AC97_STAT_ADDR2},
    845 		};
    846 
    847 		if (i == 1 && ac97_id2 == -1)
    848 			break;		/* secondary ac97 not available */
    849 
    850 		codec = &sc->sc_codec[i];
    851 		memcpy(&codec->sc_dev, &sc->sc_dev, sizeof(codec->sc_dev));
    852 		codec->sc = sc;
    853 		codec->id = i == 1 ? ac97_id2 : 0;
    854 		codec->status_data = statregs[i].data;
    855 		codec->status_addr = statregs[i].addr;
    856 		codec->host_if.arg = codec;
    857 		codec->host_if.attach = yds_attach_codec;
    858 		codec->host_if.read = yds_read_codec;
    859 		codec->host_if.write = yds_write_codec;
    860 		codec->host_if.reset = yds_reset_codec;
    861 
    862 		if ((r = ac97_attach(&codec->host_if)) != 0) {
    863 			printf("%s: can't attach codec (error 0x%X)\n",
    864 			       sc->sc_dev.dv_xname, r);
    865 			return;
    866 		}
    867 	}
    868 
    869 	if (0 != auconv_create_encodings(yds_formats, YDS_NFORMATS,
    870 					 &sc->sc_encodings))
    871 		return;
    872 
    873 	audio_attach_mi(&yds_hw_if, sc, &sc->sc_dev);
    874 
    875 	sc->sc_legacy_iot = pa->pa_iot;
    876 	config_defer((struct device*) sc, yds_configure_legacy);
    877 
    878 	powerhook_establish(yds_powerhook, sc);
    879 }
    880 
    881 int
    882 yds_attach_codec(void *sc_, struct ac97_codec_if *codec_if)
    883 {
    884 	struct yds_codec_softc *sc = sc_;
    885 
    886 	sc->codec_if = codec_if;
    887 	return 0;
    888 }
    889 
    890 static int
    891 yds_ready_codec(struct yds_codec_softc *sc)
    892 {
    893 	int to;
    894 
    895 	for (to = 0; to < AC97_TIMEOUT; to++) {
    896 		if ((YREAD2(sc->sc, sc->status_addr) & AC97_BUSY) == 0)
    897 			return 0;
    898 		delay(1);
    899 	}
    900 
    901 	return 1;
    902 }
    903 
    904 int
    905 yds_read_codec(void *sc_, u_int8_t reg, u_int16_t *data)
    906 {
    907 	struct yds_codec_softc *sc = sc_;
    908 
    909 	YWRITE2(sc->sc, AC97_CMD_ADDR, AC97_CMD_READ | AC97_ID(sc->id) | reg);
    910 
    911 	if (yds_ready_codec(sc)) {
    912 		printf("%s: yds_read_codec timeout\n",
    913 		       sc->sc->sc_dev.dv_xname);
    914 		return EIO;
    915 	}
    916 
    917 	if (PCI_PRODUCT(sc->sc->sc_id) == PCI_PRODUCT_YAMAHA_YMF744B &&
    918 	    sc->sc->sc_revision < 2) {
    919 		int i;
    920 		for (i=0; i<600; i++)
    921 			YREAD2(sc->sc, sc->status_data);
    922 	}
    923 
    924 	*data = YREAD2(sc->sc, sc->status_data);
    925 
    926 	return 0;
    927 }
    928 
    929 int
    930 yds_write_codec(void *sc_, u_int8_t reg, u_int16_t data)
    931 {
    932 	struct yds_codec_softc *sc = sc_;
    933 
    934 	YWRITE2(sc->sc, AC97_CMD_ADDR, AC97_CMD_WRITE | AC97_ID(sc->id) | reg);
    935 	YWRITE2(sc->sc, AC97_CMD_DATA, data);
    936 
    937 	if (yds_ready_codec(sc)) {
    938 		printf("%s: yds_write_codec timeout\n",
    939 			sc->sc->sc_dev.dv_xname);
    940 		return EIO;
    941 	}
    942 
    943 	return 0;
    944 }
    945 
    946 /*
    947  * XXX: Must handle the secondary differntly!!
    948  */
    949 int
    950 yds_reset_codec(void *sc_)
    951 {
    952 	struct yds_codec_softc *codec = sc_;
    953 	struct yds_softc *sc = codec->sc;
    954 	pcireg_t reg;
    955 
    956 	/* reset AC97 codec */
    957 	reg = pci_conf_read(sc->sc_pc, sc->sc_pcitag, YDS_PCI_DSCTRL);
    958 	if (reg & 0x03) {
    959 		pci_conf_write(sc->sc_pc, sc->sc_pcitag,
    960 			       YDS_PCI_DSCTRL, reg & ~0x03);
    961 		pci_conf_write(sc->sc_pc, sc->sc_pcitag,
    962 			       YDS_PCI_DSCTRL, reg | 0x03);
    963 		pci_conf_write(sc->sc_pc, sc->sc_pcitag,
    964 			       YDS_PCI_DSCTRL, reg & ~0x03);
    965 		delay(50000);
    966 	}
    967 
    968 	yds_ready_codec(sc_);
    969 	return 0;
    970 }
    971 
    972 int
    973 yds_intr(void *p)
    974 {
    975 	struct yds_softc *sc = p;
    976 	u_int status;
    977 
    978 	status = YREAD4(sc, YDS_STATUS);
    979 	DPRINTFN(1, ("yds_intr: status=%08x\n", status));
    980 	if ((status & (YDS_STAT_INT|YDS_STAT_TINT)) == 0) {
    981 #if NMPU > 0
    982 		if (sc->sc_mpu)
    983 			return mpu_intr(sc->sc_mpu);
    984 #endif
    985 		return 0;
    986 	}
    987 
    988 	if (status & YDS_STAT_TINT) {
    989 		YWRITE4(sc, YDS_STATUS, YDS_STAT_TINT);
    990 		printf ("yds_intr: timeout!\n");
    991 	}
    992 
    993 	if (status & YDS_STAT_INT) {
    994 		int nbank = (YREAD4(sc, YDS_CONTROL_SELECT) == 0);
    995 
    996 		/* Clear interrupt flag */
    997 		YWRITE4(sc, YDS_STATUS, YDS_STAT_INT);
    998 
    999 		/* Buffer for the next frame is always ready. */
   1000 		YWRITE4(sc, YDS_MODE, YREAD4(sc, YDS_MODE) | YDS_MODE_ACTV2);
   1001 
   1002 		if (sc->sc_play.intr) {
   1003 			u_int dma, cpu, blk, len;
   1004 
   1005 			/* Sync play slot control data */
   1006 			bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
   1007 					sc->pbankoff,
   1008 					sizeof(struct play_slot_ctrl_bank)*
   1009 					    le32toh(*sc->ptbl)*
   1010 					    N_PLAY_SLOT_CTRL_BANK,
   1011 					BUS_DMASYNC_POSTWRITE|
   1012 					BUS_DMASYNC_POSTREAD);
   1013 			dma = le32toh(sc->pbankp[nbank]->pgstart) * sc->sc_play.factor;
   1014 			cpu = sc->sc_play.offset;
   1015 			blk = sc->sc_play.blksize;
   1016 			len = sc->sc_play.length;
   1017 
   1018 			if (((dma > cpu) && (dma - cpu > blk * 2)) ||
   1019 			    ((cpu > dma) && (dma + len - cpu > blk * 2))) {
   1020 				/* We can fill the next block */
   1021 				/* Sync ring buffer for previous write */
   1022 				bus_dmamap_sync(sc->sc_dmatag,
   1023 						sc->sc_play.dma->map,
   1024 						cpu, blk,
   1025 						BUS_DMASYNC_POSTWRITE);
   1026 				sc->sc_play.intr(sc->sc_play.intr_arg);
   1027 				sc->sc_play.offset += blk;
   1028 				if (sc->sc_play.offset >= len) {
   1029 					sc->sc_play.offset -= len;
   1030 #ifdef DIAGNOSTIC
   1031 					if (sc->sc_play.offset != 0)
   1032 						printf ("Audio ringbuffer botch\n");
   1033 #endif
   1034 				}
   1035 				/* Sync ring buffer for next write */
   1036 				bus_dmamap_sync(sc->sc_dmatag,
   1037 						sc->sc_play.dma->map,
   1038 						cpu, blk,
   1039 						BUS_DMASYNC_PREWRITE);
   1040 			}
   1041 		}
   1042 		if (sc->sc_rec.intr) {
   1043 			u_int dma, cpu, blk, len;
   1044 
   1045 			/* Sync rec slot control data */
   1046 			bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
   1047 					sc->rbankoff,
   1048 					sizeof(struct rec_slot_ctrl_bank)*
   1049 					    N_REC_SLOT_CTRL*
   1050 					    N_REC_SLOT_CTRL_BANK,
   1051 					BUS_DMASYNC_POSTWRITE|
   1052 					BUS_DMASYNC_POSTREAD);
   1053 			dma = le32toh(sc->rbank[YDS_INPUT_SLOT*2 + nbank].pgstartadr);
   1054 			cpu = sc->sc_rec.offset;
   1055 			blk = sc->sc_rec.blksize;
   1056 			len = sc->sc_rec.length;
   1057 
   1058 			if (((dma > cpu) && (dma - cpu > blk * 2)) ||
   1059 			    ((cpu > dma) && (dma + len - cpu > blk * 2))) {
   1060 				/* We can drain the current block */
   1061 				/* Sync ring buffer first */
   1062 				bus_dmamap_sync(sc->sc_dmatag,
   1063 						sc->sc_rec.dma->map,
   1064 						cpu, blk,
   1065 						BUS_DMASYNC_POSTREAD);
   1066 				sc->sc_rec.intr(sc->sc_rec.intr_arg);
   1067 				sc->sc_rec.offset += blk;
   1068 				if (sc->sc_rec.offset >= len) {
   1069 					sc->sc_rec.offset -= len;
   1070 #ifdef DIAGNOSTIC
   1071 					if (sc->sc_rec.offset != 0)
   1072 						printf ("Audio ringbuffer botch\n");
   1073 #endif
   1074 				}
   1075 				/* Sync ring buffer for next read */
   1076 				bus_dmamap_sync(sc->sc_dmatag,
   1077 						sc->sc_rec.dma->map,
   1078 						cpu, blk,
   1079 						BUS_DMASYNC_PREREAD);
   1080 			}
   1081 		}
   1082 	}
   1083 
   1084 	return 1;
   1085 }
   1086 
   1087 int
   1088 yds_allocmem(struct yds_softc *sc, size_t size, size_t align, struct yds_dma *p)
   1089 {
   1090 	int error;
   1091 
   1092 	p->size = size;
   1093 	error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0,
   1094 				 p->segs, sizeof(p->segs)/sizeof(p->segs[0]),
   1095 				 &p->nsegs, BUS_DMA_NOWAIT);
   1096 	if (error)
   1097 		return (error);
   1098 
   1099 	error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size,
   1100 			       &p->addr, BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
   1101 	if (error)
   1102 		goto free;
   1103 
   1104 	error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size,
   1105 				  0, BUS_DMA_NOWAIT, &p->map);
   1106 	if (error)
   1107 		goto unmap;
   1108 
   1109 	error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL,
   1110 				BUS_DMA_NOWAIT);
   1111 	if (error)
   1112 		goto destroy;
   1113 	return (0);
   1114 
   1115 destroy:
   1116 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
   1117 unmap:
   1118 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
   1119 free:
   1120 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
   1121 	return (error);
   1122 }
   1123 
   1124 int
   1125 yds_freemem(struct yds_softc *sc, struct yds_dma *p)
   1126 {
   1127 	bus_dmamap_unload(sc->sc_dmatag, p->map);
   1128 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
   1129 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
   1130 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
   1131 	return 0;
   1132 }
   1133 
   1134 int
   1135 yds_open(void *addr, int flags)
   1136 {
   1137 	struct yds_softc *sc = addr;
   1138 	u_int32_t mode;
   1139 
   1140 	/* Select bank 0. */
   1141 	YWRITE4(sc, YDS_CONTROL_SELECT, 0);
   1142 
   1143 	/* Start the DSP operation. */
   1144 	mode = YREAD4(sc, YDS_MODE);
   1145 	mode |= YDS_MODE_ACTV;
   1146 	mode &= ~YDS_MODE_ACTV2;
   1147 	YWRITE4(sc, YDS_MODE, mode);
   1148 
   1149 	return 0;
   1150 }
   1151 
   1152 /*
   1153  * Close function is called at splaudio().
   1154  */
   1155 void
   1156 yds_close(void *addr)
   1157 {
   1158 	struct yds_softc *sc = addr;
   1159 
   1160 	yds_halt(sc);
   1161 }
   1162 
   1163 int
   1164 yds_query_encoding(void *addr, struct audio_encoding *fp)
   1165 {
   1166 	struct yds_softc *sc;
   1167 
   1168 	sc = addr;
   1169 	return auconv_query_encoding(sc->sc_encodings, fp);
   1170 }
   1171 
   1172 int
   1173 yds_set_params(void *addr, int setmode, int usemode,
   1174 	       struct audio_params *play, struct audio_params* rec)
   1175 {
   1176 	struct audio_params *p;
   1177 	int mode, i;
   1178 
   1179 	for (mode = AUMODE_RECORD; mode != -1;
   1180 	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
   1181 		if ((setmode & mode) == 0)
   1182 			continue;
   1183 
   1184 		p = mode == AUMODE_PLAY ? play : rec;
   1185 		i = auconv_set_converter(yds_formats, YDS_NFORMATS,
   1186 					 mode, p, FALSE);
   1187 		if (i < 0)
   1188 			return EINVAL;
   1189 	}
   1190 
   1191 	return 0;
   1192 }
   1193 
   1194 int
   1195 yds_round_blocksize(void *addr, int blk)
   1196 {
   1197 	/*
   1198 	 * Block size must be bigger than a frame.
   1199 	 * That is 1024bytes at most, i.e. for 48000Hz, 16bit, 2ch.
   1200 	 */
   1201 	if (blk < 1024)
   1202 		blk = 1024;
   1203 
   1204 	return blk & ~4;
   1205 }
   1206 
   1207 static u_int32_t
   1208 yds_get_lpfq(u_int sample_rate)
   1209 {
   1210 	int i;
   1211 	static struct lpfqt {
   1212 		u_int rate;
   1213 		u_int32_t lpfq;
   1214 	} lpfqt[] = {
   1215 		{8000,  0x32020000},
   1216 		{11025, 0x31770000},
   1217 		{16000, 0x31390000},
   1218 		{22050, 0x31c90000},
   1219 		{32000, 0x33d00000},
   1220 		{48000, 0x40000000},
   1221 		{0, 0}
   1222 	};
   1223 
   1224 	if (sample_rate == 44100)		/* for P44 slot? */
   1225 		return 0x370A0000;
   1226 
   1227 	for (i = 0; lpfqt[i].rate != 0; i++)
   1228 		if (sample_rate <= lpfqt[i].rate)
   1229 			break;
   1230 
   1231 	return lpfqt[i].lpfq;
   1232 }
   1233 
   1234 static u_int32_t
   1235 yds_get_lpfk(u_int sample_rate)
   1236 {
   1237 	int i;
   1238 	static struct lpfkt {
   1239 		u_int rate;
   1240 		u_int32_t lpfk;
   1241 	} lpfkt[] = {
   1242 		{8000,  0x18b20000},
   1243 		{11025, 0x20930000},
   1244 		{16000, 0x2b9a0000},
   1245 		{22050, 0x35a10000},
   1246 		{32000, 0x3eaa0000},
   1247 		{48000, 0x40000000},
   1248 		{0, 0}
   1249 	};
   1250 
   1251 	if (sample_rate == 44100)		/* for P44 slot? */
   1252 		return 0x46460000;
   1253 
   1254 	for (i = 0; lpfkt[i].rate != 0; i++)
   1255 		if (sample_rate <= lpfkt[i].rate)
   1256 			break;
   1257 
   1258 	return lpfkt[i].lpfk;
   1259 }
   1260 
   1261 int
   1262 yds_trigger_output(void *addr, void *start, void *end, int blksize,
   1263 		   void (*intr)(void *), void *arg, struct audio_params *param)
   1264 #define P44		(sc->sc_flags & YDS_CAP_HAS_P44)
   1265 {
   1266 	struct yds_softc *sc = addr;
   1267 	struct yds_dma *p;
   1268 	struct play_slot_ctrl_bank *psb;
   1269 	const u_int gain = 0x40000000;
   1270 	bus_addr_t s;
   1271 	size_t l;
   1272 	int i;
   1273 	int p44, channels;
   1274 	u_int32_t format;
   1275 
   1276 #ifdef DIAGNOSTIC
   1277 	if (sc->sc_play.intr)
   1278 		panic("yds_trigger_output: already running");
   1279 #endif
   1280 
   1281 	sc->sc_play.intr = intr;
   1282 	sc->sc_play.intr_arg = arg;
   1283 	sc->sc_play.offset = 0;
   1284 	sc->sc_play.blksize = blksize;
   1285 
   1286 	DPRINTFN(1, ("yds_trigger_output: sc=%p start=%p end=%p "
   1287 	    "blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
   1288 
   1289 	p = yds_find_dma(sc, start);
   1290 	if (!p) {
   1291 		printf("yds_trigger_output: bad addr %p\n", start);
   1292 		return (EINVAL);
   1293 	}
   1294 	sc->sc_play.dma = p;
   1295 
   1296 #ifdef YDS_USE_P44
   1297 	/* The document says the P44 SRC supports only stereo, 16bit PCM. */
   1298 	if (P44)
   1299 		p44 = ((param->hw_sample_rate == 44100) &&
   1300 		       (param->hw_channels == 2) &&
   1301 		       (param->hw_precision == 16));
   1302 	else
   1303 #endif
   1304 		p44 = 0;
   1305 	channels = p44 ? 1 : param->hw_channels;
   1306 
   1307 	s = DMAADDR(p);
   1308 	l = ((char *)end - (char *)start);
   1309 	sc->sc_play.length = l;
   1310 
   1311 	*sc->ptbl = htole32(channels);	/* Num of play */
   1312 
   1313 	sc->sc_play.factor = 1;
   1314 	if (param->hw_channels == 2)
   1315 		sc->sc_play.factor *= 2;
   1316 	if (param->hw_precision != 8)
   1317 		sc->sc_play.factor *= 2;
   1318 	l /= sc->sc_play.factor;
   1319 
   1320 	format = ((channels == 2 ? PSLT_FORMAT_STEREO : 0) |
   1321 		  (param->hw_precision == 8 ? PSLT_FORMAT_8BIT : 0) |
   1322 		  (p44 ? PSLT_FORMAT_SRC441 : 0));
   1323 
   1324 	psb = sc->pbankp[0];
   1325 	memset(psb, 0, sizeof(*psb));
   1326 	psb->format = htole32(format);
   1327 	psb->pgbase = htole32(s);
   1328 	psb->pgloopend = htole32(l);
   1329 	if (!p44) {
   1330 		psb->pgdeltaend = htole32((param->hw_sample_rate * 65536 / 48000) << 12);
   1331 		psb->lpfkend = htole32(yds_get_lpfk(param->hw_sample_rate));
   1332 		psb->eggainend = htole32(gain);
   1333 		psb->lpfq = htole32(yds_get_lpfq(param->hw_sample_rate));
   1334 		psb->pgdelta = htole32(psb->pgdeltaend);
   1335 		psb->lpfk = htole32(yds_get_lpfk(param->hw_sample_rate));
   1336 		psb->eggain = htole32(gain);
   1337 	}
   1338 
   1339 	for (i = 0; i < channels; i++) {
   1340 		/* i == 0: left or mono, i == 1: right */
   1341 		psb = sc->pbankp[i*2];
   1342 		if (i)
   1343 			/* copy from left */
   1344 			*psb = *(sc->pbankp[0]);
   1345 		if (channels == 2) {
   1346 			/* stereo */
   1347 			if (i == 0) {
   1348 				psb->lchgain = psb->lchgainend = htole32(gain);
   1349 			} else {
   1350 				psb->lchgain = psb->lchgainend = 0;
   1351 				psb->rchgain = psb->rchgainend = htole32(gain);
   1352 				psb->format |= htole32(PSLT_FORMAT_RCH);
   1353 			}
   1354 		} else if (!p44) {
   1355 			/* mono */
   1356 			psb->lchgain = psb->rchgain = htole32(gain);
   1357 			psb->lchgainend = psb->rchgainend = htole32(gain);
   1358 		}
   1359 		/* copy to the other bank */
   1360 		*(sc->pbankp[i*2+1]) = *psb;
   1361 	}
   1362 
   1363 	YDS_DUMP_PLAY_SLOT(5, sc, 0);
   1364 	YDS_DUMP_PLAY_SLOT(5, sc, 1);
   1365 
   1366 	if (p44)
   1367 		YWRITE4(sc, YDS_P44_OUT_VOLUME, 0x3fff3fff);
   1368 	else
   1369 		YWRITE4(sc, YDS_DAC_OUT_VOLUME, 0x3fff3fff);
   1370 
   1371 	/* Now the play slot for the next frame is set up!! */
   1372 	/* Sync play slot control data for both directions */
   1373 	bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
   1374 			sc->ptbloff,
   1375 			sizeof(struct play_slot_ctrl_bank) *
   1376 			    channels * N_PLAY_SLOT_CTRL_BANK,
   1377 			BUS_DMASYNC_PREWRITE|BUS_DMASYNC_PREREAD);
   1378 	/* Sync ring buffer */
   1379 	bus_dmamap_sync(sc->sc_dmatag, p->map, 0, blksize,
   1380 			BUS_DMASYNC_PREWRITE);
   1381 	/* HERE WE GO!! */
   1382 	YWRITE4(sc, YDS_MODE,
   1383 		YREAD4(sc, YDS_MODE) | YDS_MODE_ACTV | YDS_MODE_ACTV2);
   1384 
   1385 	return 0;
   1386 }
   1387 #undef P44
   1388 
   1389 int
   1390 yds_trigger_input(void *addr, void *start, void *end, int blksize,
   1391 		  void (*intr)(void *), void *arg, struct audio_params *param)
   1392 {
   1393 	struct yds_softc *sc = addr;
   1394 	struct yds_dma *p;
   1395 	u_int srate, format;
   1396 	struct rec_slot_ctrl_bank *rsb;
   1397 	bus_addr_t s;
   1398 	size_t l;
   1399 
   1400 #ifdef DIAGNOSTIC
   1401 	if (sc->sc_rec.intr)
   1402 		panic("yds_trigger_input: already running");
   1403 #endif
   1404 	sc->sc_rec.intr = intr;
   1405 	sc->sc_rec.intr_arg = arg;
   1406 	sc->sc_rec.offset = 0;
   1407 	sc->sc_rec.blksize = blksize;
   1408 
   1409 	DPRINTFN(1, ("yds_trigger_input: "
   1410 	    "sc=%p start=%p end=%p blksize=%d intr=%p(%p)\n",
   1411 	    addr, start, end, blksize, intr, arg));
   1412 	DPRINTFN(1, (" parameters: rate=%lu, precision=%u, channels=%u\n",
   1413 	    param->hw_sample_rate, param->hw_precision, param->hw_channels));
   1414 
   1415 	p = yds_find_dma(sc, start);
   1416 	if (!p) {
   1417 		printf("yds_trigger_input: bad addr %p\n", start);
   1418 		return (EINVAL);
   1419 	}
   1420 	sc->sc_rec.dma = p;
   1421 
   1422 	s = DMAADDR(p);
   1423 	l = ((char *)end - (char *)start);
   1424 	sc->sc_rec.length = l;
   1425 
   1426 	sc->sc_rec.factor = 1;
   1427 	if (param->hw_channels == 2)
   1428 		sc->sc_rec.factor *= 2;
   1429 	if (param->hw_precision != 8)
   1430 		sc->sc_rec.factor *= 2;
   1431 
   1432 	rsb = &sc->rbank[0];
   1433 	memset(rsb, 0, sizeof(*rsb));
   1434 	rsb->pgbase = htole32(s);
   1435 	rsb->pgloopendadr = htole32(l);
   1436 	/* Seems all 4 banks must be set up... */
   1437 	sc->rbank[1] = *rsb;
   1438 	sc->rbank[2] = *rsb;
   1439 	sc->rbank[3] = *rsb;
   1440 
   1441 	YWRITE4(sc, YDS_ADC_IN_VOLUME, 0x3fff3fff);
   1442 	YWRITE4(sc, YDS_REC_IN_VOLUME, 0x3fff3fff);
   1443 	srate = 48000 * 4096 / param->hw_sample_rate - 1;
   1444 	format = ((param->hw_precision == 8 ? YDS_FORMAT_8BIT : 0) |
   1445 		  (param->hw_channels == 2 ? YDS_FORMAT_STEREO : 0));
   1446 	DPRINTF(("srate=%d, format=%08x\n", srate, format));
   1447 #ifdef YDS_USE_REC_SLOT
   1448 	YWRITE4(sc, YDS_DAC_REC_VOLUME, 0x3fff3fff);
   1449 	YWRITE4(sc, YDS_P44_REC_VOLUME, 0x3fff3fff);
   1450 	YWRITE4(sc, YDS_MAPOF_REC, YDS_RECSLOT_VALID);
   1451 	YWRITE4(sc, YDS_REC_SAMPLE_RATE, srate);
   1452 	YWRITE4(sc, YDS_REC_FORMAT, format);
   1453 #else
   1454 	YWRITE4(sc, YDS_MAPOF_REC, YDS_ADCSLOT_VALID);
   1455 	YWRITE4(sc, YDS_ADC_SAMPLE_RATE, srate);
   1456 	YWRITE4(sc, YDS_ADC_FORMAT, format);
   1457 #endif
   1458 	/* Now the rec slot for the next frame is set up!! */
   1459 	/* Sync record slot control data */
   1460 	bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
   1461 			sc->rbankoff,
   1462 			sizeof(struct rec_slot_ctrl_bank)*
   1463 			    N_REC_SLOT_CTRL*
   1464 			    N_REC_SLOT_CTRL_BANK,
   1465 			BUS_DMASYNC_PREWRITE|BUS_DMASYNC_PREREAD);
   1466 	/* Sync ring buffer */
   1467 	bus_dmamap_sync(sc->sc_dmatag, p->map, 0, blksize,
   1468 			BUS_DMASYNC_PREREAD);
   1469 	/* HERE WE GO!! */
   1470 	YWRITE4(sc, YDS_MODE,
   1471 		YREAD4(sc, YDS_MODE) | YDS_MODE_ACTV | YDS_MODE_ACTV2);
   1472 
   1473 	return 0;
   1474 }
   1475 
   1476 static int
   1477 yds_halt(struct yds_softc *sc)
   1478 {
   1479 	u_int32_t mode;
   1480 
   1481 	/* Stop the DSP operation. */
   1482 	mode = YREAD4(sc, YDS_MODE);
   1483 	YWRITE4(sc, YDS_MODE, mode & ~(YDS_MODE_ACTV|YDS_MODE_ACTV2));
   1484 
   1485 	/* Paranoia...  mute all */
   1486 	YWRITE4(sc, YDS_P44_OUT_VOLUME, 0);
   1487 	YWRITE4(sc, YDS_DAC_OUT_VOLUME, 0);
   1488 	YWRITE4(sc, YDS_ADC_IN_VOLUME, 0);
   1489 	YWRITE4(sc, YDS_REC_IN_VOLUME, 0);
   1490 	YWRITE4(sc, YDS_DAC_REC_VOLUME, 0);
   1491 	YWRITE4(sc, YDS_P44_REC_VOLUME, 0);
   1492 
   1493 	return 0;
   1494 }
   1495 
   1496 int
   1497 yds_halt_output(void *addr)
   1498 {
   1499 	struct yds_softc *sc = addr;
   1500 
   1501 	DPRINTF(("yds: yds_halt_output\n"));
   1502 	if (sc->sc_play.intr) {
   1503 		sc->sc_play.intr = 0;
   1504 		/* Sync play slot control data */
   1505 		bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
   1506 				sc->pbankoff,
   1507 				sizeof(struct play_slot_ctrl_bank)*
   1508 				    (*sc->ptbl)*N_PLAY_SLOT_CTRL_BANK,
   1509 				BUS_DMASYNC_POSTWRITE|BUS_DMASYNC_POSTREAD);
   1510 		/* Stop the play slot operation */
   1511 		sc->pbankp[0]->status =
   1512 		sc->pbankp[1]->status =
   1513 		sc->pbankp[2]->status =
   1514 		sc->pbankp[3]->status = 1;
   1515 		/* Sync ring buffer */
   1516 		bus_dmamap_sync(sc->sc_dmatag, sc->sc_play.dma->map,
   1517 				0, sc->sc_play.length, BUS_DMASYNC_POSTWRITE);
   1518 	}
   1519 
   1520 	return 0;
   1521 }
   1522 
   1523 int
   1524 yds_halt_input(void *addr)
   1525 {
   1526 	struct yds_softc *sc = addr;
   1527 
   1528 	DPRINTF(("yds: yds_halt_input\n"));
   1529 	sc->sc_rec.intr = NULL;
   1530 	if (sc->sc_rec.intr) {
   1531 		/* Stop the rec slot operation */
   1532 		YWRITE4(sc, YDS_MAPOF_REC, 0);
   1533 		sc->sc_rec.intr = 0;
   1534 		/* Sync rec slot control data */
   1535 		bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
   1536 				sc->rbankoff,
   1537 				sizeof(struct rec_slot_ctrl_bank)*
   1538 				    N_REC_SLOT_CTRL*N_REC_SLOT_CTRL_BANK,
   1539 				BUS_DMASYNC_POSTWRITE|BUS_DMASYNC_POSTREAD);
   1540 		/* Sync ring buffer */
   1541 		bus_dmamap_sync(sc->sc_dmatag, sc->sc_rec.dma->map,
   1542 				0, sc->sc_rec.length, BUS_DMASYNC_POSTREAD);
   1543 	}
   1544 
   1545 	return 0;
   1546 }
   1547 
   1548 int
   1549 yds_getdev(void *addr, struct audio_device *retp)
   1550 {
   1551 	*retp = yds_device;
   1552 
   1553 	return 0;
   1554 }
   1555 
   1556 int
   1557 yds_mixer_set_port(void *addr, mixer_ctrl_t *cp)
   1558 {
   1559 	struct yds_softc *sc = addr;
   1560 
   1561 	return (sc->sc_codec[0].codec_if->vtbl->mixer_set_port(
   1562 	    sc->sc_codec[0].codec_if, cp));
   1563 }
   1564 
   1565 int
   1566 yds_mixer_get_port(void *addr, mixer_ctrl_t *cp)
   1567 {
   1568 	struct yds_softc *sc = addr;
   1569 
   1570 	return (sc->sc_codec[0].codec_if->vtbl->mixer_get_port(
   1571 	    sc->sc_codec[0].codec_if, cp));
   1572 }
   1573 
   1574 int
   1575 yds_query_devinfo(void *addr, mixer_devinfo_t *dip)
   1576 {
   1577 	struct yds_softc *sc = addr;
   1578 
   1579 	return (sc->sc_codec[0].codec_if->vtbl->query_devinfo(
   1580 	    sc->sc_codec[0].codec_if, dip));
   1581 }
   1582 
   1583 int
   1584 yds_get_portnum_by_name(struct yds_softc *sc, char *class, char *device, char *qualifier)
   1585 {
   1586 	return (sc->sc_codec[0].codec_if->vtbl->get_portnum_by_name(
   1587 	    sc->sc_codec[0].codec_if, class, device, qualifier));
   1588 }
   1589 
   1590 void *
   1591 yds_malloc(void *addr, int direction, size_t size,
   1592 	   struct malloc_type *pool, int flags)
   1593 {
   1594 	struct yds_softc *sc = addr;
   1595 	struct yds_dma *p;
   1596 	int error;
   1597 
   1598 	p = malloc(sizeof(*p), pool, flags);
   1599 	if (!p)
   1600 		return (0);
   1601 	error = yds_allocmem(sc, size, 16, p);
   1602 	if (error) {
   1603 		free(p, pool);
   1604 		return (0);
   1605 	}
   1606 	p->next = sc->sc_dmas;
   1607 	sc->sc_dmas = p;
   1608 	return (KERNADDR(p));
   1609 }
   1610 
   1611 void
   1612 yds_free(void *addr, void *ptr, struct malloc_type *pool)
   1613 {
   1614 	struct yds_softc *sc = addr;
   1615 	struct yds_dma **pp, *p;
   1616 
   1617 	for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
   1618 		if (KERNADDR(p) == ptr) {
   1619 			yds_freemem(sc, p);
   1620 			*pp = p->next;
   1621 			free(p, pool);
   1622 			return;
   1623 		}
   1624 	}
   1625 }
   1626 
   1627 static struct yds_dma *
   1628 yds_find_dma(struct yds_softc *sc, void *addr)
   1629 {
   1630 	struct yds_dma *p;
   1631 
   1632 	for (p = sc->sc_dmas; p && KERNADDR(p) != addr; p = p->next)
   1633 		;
   1634 
   1635 	return p;
   1636 }
   1637 
   1638 size_t
   1639 yds_round_buffersize(void *addr, int direction, size_t size)
   1640 {
   1641 	/*
   1642 	 * Buffer size should be at least twice as bigger as a frame.
   1643 	 */
   1644 	if (size < 1024 * 3)
   1645 		size = 1024 * 3;
   1646 	return (size);
   1647 }
   1648 
   1649 paddr_t
   1650 yds_mappage(void *addr, void *mem, off_t off, int prot)
   1651 {
   1652 	struct yds_softc *sc = addr;
   1653 	struct yds_dma *p;
   1654 
   1655 	if (off < 0)
   1656 		return (-1);
   1657 	p = yds_find_dma(sc, mem);
   1658 	if (!p)
   1659 		return (-1);
   1660 	return (bus_dmamem_mmap(sc->sc_dmatag, p->segs, p->nsegs,
   1661 				off, prot, BUS_DMA_WAITOK));
   1662 }
   1663 
   1664 int
   1665 yds_get_props(void *addr)
   1666 {
   1667 	return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
   1668 		AUDIO_PROP_FULLDUPLEX);
   1669 }
   1670