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yds.c revision 1.54
      1 /*	$NetBSD: yds.c,v 1.54 2013/10/17 21:05:41 christos 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 1.54 2013/10/17 21:05:41 christos 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/kmem.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 <sys/bus.h>
     67 #include <sys/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 static int	yds_match(device_t, cfdata_t, void *);
     92 static void	yds_attach(device_t, device_t, void *);
     93 static 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 static int	yds_allocmem(struct yds_softc *, size_t, size_t,
     99 			     struct yds_dma *);
    100 static int	yds_freemem(struct yds_softc *, struct yds_dma *);
    101 
    102 #ifndef AUDIO_DEBUG
    103 #define YWRITE1(sc, r, x) bus_space_write_1((sc)->memt, (sc)->memh, (r), (x))
    104 #define YWRITE2(sc, r, x) bus_space_write_2((sc)->memt, (sc)->memh, (r), (x))
    105 #define YWRITE4(sc, r, x) bus_space_write_4((sc)->memt, (sc)->memh, (r), (x))
    106 #define YREAD1(sc, r)	bus_space_read_1((sc)->memt, (sc)->memh, (r))
    107 #define YREAD2(sc, r)	bus_space_read_2((sc)->memt, (sc)->memh, (r))
    108 #define YREAD4(sc, r)	bus_space_read_4((sc)->memt, (sc)->memh, (r))
    109 #else
    110 static uint16_t YREAD2(struct yds_softc *sc, bus_size_t r)
    111 {
    112 	DPRINTFN(5, (" YREAD2(0x%lX)\n", (unsigned long)r));
    113 	return bus_space_read_2(sc->memt, sc->memh, r);
    114 }
    115 
    116 static uint32_t YREAD4(struct yds_softc *sc, bus_size_t r)
    117 {
    118 	DPRINTFN(5, (" YREAD4(0x%lX)\n", (unsigned long)r));
    119 	return bus_space_read_4(sc->memt, sc->memh, r);
    120 }
    121 
    122 #ifdef notdef
    123 static void YWRITE1(struct yds_softc *sc, bus_size_t r, uint8_t x)
    124 {
    125 	DPRINTFN(5, (" YWRITE1(0x%lX,0x%lX)\n", (unsigned long)r,
    126 		     (unsigned long)x));
    127 	bus_space_write_1(sc->memt, sc->memh, r, x);
    128 }
    129 #endif
    130 
    131 static void YWRITE2(struct yds_softc *sc, bus_size_t r, uint16_t x)
    132 {
    133 	DPRINTFN(5, (" YWRITE2(0x%lX,0x%lX)\n", (unsigned long)r,
    134 		     (unsigned long)x));
    135 	bus_space_write_2(sc->memt, sc->memh, r, x);
    136 }
    137 
    138 static void YWRITE4(struct yds_softc *sc, bus_size_t r, uint32_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_NEW(yds, sizeof(struct yds_softc),
    150     yds_match, yds_attach, NULL, NULL);
    151 
    152 static int	yds_open(void *, int);
    153 static void	yds_close(void *);
    154 static int	yds_query_encoding(void *, struct audio_encoding *);
    155 static int	yds_set_params(void *, int, int, audio_params_t *,
    156 			       audio_params_t *, stream_filter_list_t *,
    157 			       stream_filter_list_t *);
    158 static int	yds_round_blocksize(void *, int, int, const audio_params_t *);
    159 static int	yds_trigger_output(void *, void *, void *, int,
    160 				   void (*)(void *), void *,
    161 				   const audio_params_t *);
    162 static int	yds_trigger_input(void *, void *, void *, int,
    163 				  void (*)(void *), void *,
    164 				  const audio_params_t *);
    165 static int	yds_halt_output(void *);
    166 static int	yds_halt_input(void *);
    167 static int	yds_getdev(void *, struct audio_device *);
    168 static int	yds_mixer_set_port(void *, mixer_ctrl_t *);
    169 static int	yds_mixer_get_port(void *, mixer_ctrl_t *);
    170 static void   *yds_malloc(void *, int, size_t);
    171 static void	yds_free(void *, void *, size_t);
    172 static size_t	yds_round_buffersize(void *, int, size_t);
    173 static paddr_t yds_mappage(void *, void *, off_t, int);
    174 static int	yds_get_props(void *);
    175 static int	yds_query_devinfo(void *, mixer_devinfo_t *);
    176 static void	yds_get_locks(void *, kmutex_t **, kmutex_t **);
    177 
    178 static int     yds_attach_codec(void *, struct ac97_codec_if *);
    179 static int	yds_read_codec(void *, uint8_t, uint16_t *);
    180 static int	yds_write_codec(void *, uint8_t, uint16_t);
    181 static int     yds_reset_codec(void *);
    182 
    183 static u_int	yds_get_dstype(int);
    184 static int	yds_download_mcode(struct yds_softc *);
    185 static int	yds_allocate_slots(struct yds_softc *);
    186 static void	yds_configure_legacy(device_t);
    187 static void	yds_enable_dsp(struct yds_softc *);
    188 static int	yds_disable_dsp(struct yds_softc *);
    189 static int	yds_ready_codec(struct yds_codec_softc *);
    190 static int	yds_halt(struct yds_softc *);
    191 static uint32_t yds_get_lpfq(u_int);
    192 static uint32_t yds_get_lpfk(u_int);
    193 static struct yds_dma *yds_find_dma(struct yds_softc *, void *);
    194 
    195 static int	yds_init(struct yds_softc *);
    196 
    197 #ifdef AUDIO_DEBUG
    198 static void	yds_dump_play_slot(struct yds_softc *, int);
    199 #define	YDS_DUMP_PLAY_SLOT(n, sc, bank) \
    200 	if (ydsdebug > (n)) yds_dump_play_slot(sc, bank)
    201 #else
    202 #define	YDS_DUMP_PLAY_SLOT(n, sc, bank)
    203 #endif /* AUDIO_DEBUG */
    204 
    205 static const struct audio_hw_if yds_hw_if = {
    206 	yds_open,
    207 	yds_close,
    208 	NULL,
    209 	yds_query_encoding,
    210 	yds_set_params,
    211 	yds_round_blocksize,
    212 	NULL,
    213 	NULL,
    214 	NULL,
    215 	NULL,
    216 	NULL,
    217 	yds_halt_output,
    218 	yds_halt_input,
    219 	NULL,
    220 	yds_getdev,
    221 	NULL,
    222 	yds_mixer_set_port,
    223 	yds_mixer_get_port,
    224 	yds_query_devinfo,
    225 	yds_malloc,
    226 	yds_free,
    227 	yds_round_buffersize,
    228 	yds_mappage,
    229 	yds_get_props,
    230 	yds_trigger_output,
    231 	yds_trigger_input,
    232 	NULL,
    233 	yds_get_locks,
    234 };
    235 
    236 static const struct audio_device yds_device = {
    237 	"Yamaha DS-1",
    238 	"",
    239 	"yds"
    240 };
    241 
    242 static const struct {
    243 	uint	id;
    244 	u_int	flags;
    245 #define YDS_CAP_MCODE_1			0x0001
    246 #define YDS_CAP_MCODE_1E		0x0002
    247 #define YDS_CAP_LEGACY_SELECTABLE	0x0004
    248 #define YDS_CAP_LEGACY_FLEXIBLE		0x0008
    249 #define YDS_CAP_HAS_P44			0x0010
    250 } yds_chip_capabliity_list[] = {
    251 	{ PCI_PRODUCT_YAMAHA_YMF724,
    252 	  YDS_CAP_MCODE_1|YDS_CAP_LEGACY_SELECTABLE },
    253 	/* 740[C] has only 32 slots.  But anyway we use only 2 */
    254 	{ PCI_PRODUCT_YAMAHA_YMF740,
    255 	  YDS_CAP_MCODE_1|YDS_CAP_LEGACY_SELECTABLE },	/* XXX NOT TESTED */
    256 	{ PCI_PRODUCT_YAMAHA_YMF740C,
    257 	  YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_SELECTABLE },
    258 	{ PCI_PRODUCT_YAMAHA_YMF724F,
    259 	  YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_SELECTABLE },
    260 	{ PCI_PRODUCT_YAMAHA_YMF744B,
    261 	  YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_FLEXIBLE },
    262 	{ PCI_PRODUCT_YAMAHA_YMF754,
    263 	  YDS_CAP_MCODE_1E|YDS_CAP_LEGACY_FLEXIBLE|YDS_CAP_HAS_P44 },
    264 	{ 0, 0 }
    265 };
    266 #ifdef AUDIO_DEBUG
    267 #define YDS_CAP_BITS	"\020\005P44\004LEGFLEX\003LEGSEL\002MCODE1E\001MCODE1"
    268 #endif
    269 
    270 static const struct audio_format yds_formats[] = {
    271 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    272 	 1, AUFMT_MONAURAL, 0, {4000, 48000}},
    273 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    274 	 2, AUFMT_STEREO, 0, {4000, 48000}},
    275 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    276 	 1, AUFMT_MONAURAL, 0, {4000, 48000}},
    277 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    278 	 2, AUFMT_STEREO, 0, {4000, 48000}},
    279 };
    280 #define	YDS_NFORMATS	(sizeof(yds_formats) / sizeof(struct audio_format))
    281 
    282 #ifdef AUDIO_DEBUG
    283 static void
    284 yds_dump_play_slot(struct yds_softc *sc, int bank)
    285 {
    286 	int i, j;
    287 	uint32_t *p;
    288 	uint32_t num;
    289 	bus_addr_t pa;
    290 
    291 	for (i = 0; i < N_PLAY_SLOTS; i++) {
    292 		printf("pbankp[%d] = %p,", i*2, sc->pbankp[i*2]);
    293 		printf("pbankp[%d] = %p\n", i*2+1, sc->pbankp[i*2+1]);
    294 	}
    295 
    296 	pa = DMAADDR(&sc->sc_ctrldata) + sc->pbankoff;
    297 	p = sc->ptbl;
    298 	printf("ptbl + 0: %d\n", *p++);
    299 	for (i = 0; i < N_PLAY_SLOTS; i++) {
    300 		printf("ptbl + %d: %#x, should be %#" PRIxPADDR "\n",
    301 		       i+1, *p,
    302 		       pa + i * sizeof(struct play_slot_ctrl_bank) *
    303 				N_PLAY_SLOT_CTRL_BANK);
    304 		p++;
    305 	}
    306 
    307 	num = le32toh(*(uint32_t*)sc->ptbl);
    308 	printf("numofplay = %d\n", num);
    309 
    310 	for (i = 0; i < num; i++) {
    311 		p = (uint32_t *)sc->pbankp[i*2];
    312 
    313 		printf("  pbankp[%d], bank 0 : %p\n", i*2, p);
    314 		for (j = 0;
    315 		     j < sizeof(struct play_slot_ctrl_bank) / sizeof(uint32_t);
    316 		     j++) {
    317 			printf("    0x%02x: 0x%08x\n",
    318 			       (unsigned)(j * sizeof(uint32_t)),
    319 			       (unsigned)*p++);
    320 		}
    321 
    322 		p = (uint32_t *)sc->pbankp[i*2 + 1];
    323 		printf("  pbankp[%d], bank 1 : %p\n", i*2 + 1, p);
    324 		for (j = 0;
    325 		     j < sizeof(struct play_slot_ctrl_bank) / sizeof(uint32_t);
    326 		     j++) {
    327 			printf("    0x%02x: 0x%08x\n",
    328 			       (unsigned)(j * sizeof(uint32_t)),
    329 			       (unsigned)*p++);
    330 		}
    331 	}
    332 }
    333 #endif /* AUDIO_DEBUG */
    334 
    335 static u_int
    336 yds_get_dstype(int id)
    337 {
    338 	int i;
    339 
    340 	for (i = 0; yds_chip_capabliity_list[i].id; i++) {
    341 		if (PCI_PRODUCT(id) == yds_chip_capabliity_list[i].id)
    342 			return yds_chip_capabliity_list[i].flags;
    343 	}
    344 
    345 	return -1;
    346 }
    347 
    348 static int
    349 yds_download_mcode(struct yds_softc *sc)
    350 {
    351 	static struct {
    352 		const uint32_t *mcode;
    353 		size_t size;
    354 	} ctrls[] = {
    355 		{yds_ds1_ctrl_mcode, sizeof(yds_ds1_ctrl_mcode)},
    356 		{yds_ds1e_ctrl_mcode, sizeof(yds_ds1e_ctrl_mcode)},
    357 	};
    358 	u_int ctrl;
    359 	const uint32_t *p;
    360 	size_t size;
    361 	int dstype;
    362 
    363 	if (sc->sc_flags & YDS_CAP_MCODE_1)
    364 		dstype = YDS_DS_1;
    365 	else if (sc->sc_flags & YDS_CAP_MCODE_1E)
    366 		dstype = YDS_DS_1E;
    367 	else
    368 		return 1;	/* unknown */
    369 
    370 	if (yds_disable_dsp(sc))
    371 		return 1;
    372 
    373 	/* Software reset */
    374 	YWRITE4(sc, YDS_MODE, YDS_MODE_RESET);
    375 	YWRITE4(sc, YDS_MODE, 0);
    376 
    377 	YWRITE4(sc, YDS_MAPOF_REC, 0);
    378 	YWRITE4(sc, YDS_MAPOF_EFFECT, 0);
    379 	YWRITE4(sc, YDS_PLAY_CTRLBASE, 0);
    380 	YWRITE4(sc, YDS_REC_CTRLBASE, 0);
    381 	YWRITE4(sc, YDS_EFFECT_CTRLBASE, 0);
    382 	YWRITE4(sc, YDS_WORK_BASE, 0);
    383 
    384 	ctrl = YREAD2(sc, YDS_GLOBAL_CONTROL);
    385 	YWRITE2(sc, YDS_GLOBAL_CONTROL, ctrl & ~0x0007);
    386 
    387 	/* Download DSP microcode. */
    388 	p = yds_dsp_mcode;
    389 	size = sizeof(yds_dsp_mcode);
    390 	YWRITEREGION4(sc, YDS_DSP_INSTRAM, p, size);
    391 
    392 	/* Download CONTROL microcode. */
    393 	p = ctrls[dstype].mcode;
    394 	size = ctrls[dstype].size;
    395 	YWRITEREGION4(sc, YDS_CTRL_INSTRAM, p, size);
    396 
    397 	yds_enable_dsp(sc);
    398 	delay(10 * 1000);		/* nessesary on my 724F (??) */
    399 
    400 	return 0;
    401 }
    402 
    403 static int
    404 yds_allocate_slots(struct yds_softc *sc)
    405 {
    406 	size_t pcs, rcs, ecs, ws, memsize;
    407 	void *mp;
    408 	uint32_t da;		/* DMA address */
    409 	char *va;		/* KVA */
    410 	off_t cb;
    411 	int i;
    412 	struct yds_dma *p;
    413 
    414 	/* Alloc DSP Control Data */
    415 	pcs = YREAD4(sc, YDS_PLAY_CTRLSIZE) * sizeof(uint32_t);
    416 	rcs = YREAD4(sc, YDS_REC_CTRLSIZE) * sizeof(uint32_t);
    417 	ecs = YREAD4(sc, YDS_EFFECT_CTRLSIZE) * sizeof(uint32_t);
    418 	ws = WORK_SIZE;
    419 	YWRITE4(sc, YDS_WORK_SIZE, ws / sizeof(uint32_t));
    420 
    421 	DPRINTF(("play control size : %d\n", (unsigned int)pcs));
    422 	DPRINTF(("rec control size : %d\n", (unsigned int)rcs));
    423 	DPRINTF(("eff control size : %d\n", (unsigned int)ecs));
    424 #ifndef AUDIO_DEBUG
    425 	__USE(ecs);
    426 #endif
    427 	DPRINTF(("work size : %d\n", (unsigned int)ws));
    428 #ifdef DIAGNOSTIC
    429 	if (pcs != sizeof(struct play_slot_ctrl_bank)) {
    430 		aprint_error_dev(sc->sc_dev, "invalid play slot ctrldata %d != %d\n",
    431 		       (unsigned int)pcs,
    432 		       (unsigned int)sizeof(struct play_slot_ctrl_bank));
    433 	if (rcs != sizeof(struct rec_slot_ctrl_bank))
    434 		aprint_error_dev(sc->sc_dev, "invalid rec slot ctrldata %d != %d\n",
    435 		       (unsigned int)rcs,
    436 		       (unsigned int)sizeof(struct rec_slot_ctrl_bank));
    437 	}
    438 #endif
    439 
    440 	memsize = N_PLAY_SLOTS*N_PLAY_SLOT_CTRL_BANK*pcs +
    441 		  N_REC_SLOT_CTRL*N_REC_SLOT_CTRL_BANK*rcs + ws;
    442 	memsize += (N_PLAY_SLOTS+1)*sizeof(uint32_t);
    443 
    444 	p = &sc->sc_ctrldata;
    445 	if (KERNADDR(p) == NULL) {
    446 		i = yds_allocmem(sc, memsize, 16, p);
    447 		if (i) {
    448 			aprint_error_dev(sc->sc_dev, "couldn't alloc/map DSP DMA buffer, reason %d\n", i);
    449 			return 1;
    450 		}
    451 	}
    452 	mp = KERNADDR(p);
    453 	da = DMAADDR(p);
    454 
    455 	DPRINTF(("mp:%p, DMA addr:%#" PRIxPADDR "\n",
    456 		 mp, sc->sc_ctrldata.map->dm_segs[0].ds_addr));
    457 
    458 	memset(mp, 0, memsize);
    459 
    460 	/* Work space */
    461 	cb = 0;
    462 	va = (uint8_t *)mp;
    463 	YWRITE4(sc, YDS_WORK_BASE, da + cb);
    464 	cb += ws;
    465 
    466 	/* Play control data table */
    467 	sc->ptbl = (uint32_t *)(va + cb);
    468 	sc->ptbloff = cb;
    469 	YWRITE4(sc, YDS_PLAY_CTRLBASE, da + cb);
    470 	cb += (N_PLAY_SLOT_CTRL + 1) * sizeof(uint32_t);
    471 
    472 	/* Record slot control data */
    473 	sc->rbank = (struct rec_slot_ctrl_bank *)(va + cb);
    474 	YWRITE4(sc, YDS_REC_CTRLBASE, da + cb);
    475 	sc->rbankoff = cb;
    476 	cb += N_REC_SLOT_CTRL * N_REC_SLOT_CTRL_BANK * rcs;
    477 
    478 #if 0
    479 	/* Effect slot control data -- unused */
    480 	YWRITE4(sc, YDS_EFFECT_CTRLBASE, da + cb);
    481 	cb += N_EFFECT_SLOT_CTRL * N_EFFECT_SLOT_CTRL_BANK * ecs;
    482 #endif
    483 
    484 	/* Play slot control data */
    485 	sc->pbankoff = cb;
    486 	for (i=0; i < N_PLAY_SLOT_CTRL; i++) {
    487 		sc->pbankp[i*2] = (struct play_slot_ctrl_bank *)(va + cb);
    488 		*(sc->ptbl + i+1) = htole32(da + cb);
    489 		cb += pcs;
    490 
    491 		sc->pbankp[i*2+1] = (struct play_slot_ctrl_bank *)(va + cb);
    492 		cb += pcs;
    493 	}
    494 	/* Sync play control data table */
    495 	bus_dmamap_sync(sc->sc_dmatag, p->map,
    496 			sc->ptbloff, (N_PLAY_SLOT_CTRL+1) * sizeof(uint32_t),
    497 			BUS_DMASYNC_PREWRITE);
    498 
    499 	return 0;
    500 }
    501 
    502 static void
    503 yds_enable_dsp(struct yds_softc *sc)
    504 {
    505 
    506 	YWRITE4(sc, YDS_CONFIG, YDS_DSP_SETUP);
    507 }
    508 
    509 static int
    510 yds_disable_dsp(struct yds_softc *sc)
    511 {
    512 	int to;
    513 	uint32_t data;
    514 
    515 	data = YREAD4(sc, YDS_CONFIG);
    516 	if (data)
    517 		YWRITE4(sc, YDS_CONFIG, YDS_DSP_DISABLE);
    518 
    519 	for (to = 0; to < YDS_WORK_TIMEOUT; to++) {
    520 		if ((YREAD4(sc, YDS_STATUS) & YDS_STAT_WORK) == 0)
    521 			return 0;
    522 		delay(1);
    523 	}
    524 
    525 	return 1;
    526 }
    527 
    528 static int
    529 yds_match(device_t parent, cfdata_t match, void *aux)
    530 {
    531 	struct pci_attach_args *pa;
    532 
    533 	pa = (struct pci_attach_args *)aux;
    534 	switch (PCI_VENDOR(pa->pa_id)) {
    535 	case PCI_VENDOR_YAMAHA:
    536 		switch (PCI_PRODUCT(pa->pa_id)) {
    537 		case PCI_PRODUCT_YAMAHA_YMF724:
    538 		case PCI_PRODUCT_YAMAHA_YMF740:
    539 		case PCI_PRODUCT_YAMAHA_YMF740C:
    540 		case PCI_PRODUCT_YAMAHA_YMF724F:
    541 		case PCI_PRODUCT_YAMAHA_YMF744B:
    542 		case PCI_PRODUCT_YAMAHA_YMF754:
    543 			return 1;
    544 		}
    545 		break;
    546 	}
    547 
    548 	return 0;
    549 }
    550 
    551 /*
    552  * This routine is called after all the ISA devices are configured,
    553  * to avoid conflict.
    554  */
    555 static void
    556 yds_configure_legacy(device_t self)
    557 #define FLEXIBLE	(sc->sc_flags & YDS_CAP_LEGACY_FLEXIBLE)
    558 #define SELECTABLE	(sc->sc_flags & YDS_CAP_LEGACY_SELECTABLE)
    559 {
    560 	static const bus_addr_t opl_addrs[] = {0x388, 0x398, 0x3A0, 0x3A8};
    561 	static const bus_addr_t mpu_addrs[] = {0x330, 0x300, 0x332, 0x334};
    562 	struct yds_softc *sc;
    563 	pcireg_t reg;
    564 	device_t dev;
    565 	int i;
    566 
    567 	sc = device_private(self);
    568 	if (!FLEXIBLE && !SELECTABLE)
    569 		return;
    570 
    571 	reg = pci_conf_read(sc->sc_pc, sc->sc_pcitag, YDS_PCI_LEGACY);
    572 	reg &= ~0x8133c03f;	/* these bits are out of interest */
    573 	reg |= ((YDS_PCI_EX_LEGACY_IMOD) |
    574 		(YDS_PCI_LEGACY_FMEN |
    575 		 YDS_PCI_LEGACY_MEN /*| YDS_PCI_LEGACY_MIEN*/));
    576 	reg |= YDS_PCI_EX_LEGACY_SMOD_DISABLE;
    577 	if (FLEXIBLE) {
    578 		pci_conf_write(sc->sc_pc, sc->sc_pcitag, YDS_PCI_LEGACY, reg);
    579 		delay(100*1000);
    580 	}
    581 
    582 	/* Look for OPL */
    583 	dev = 0;
    584 	for (i = 0; i < sizeof(opl_addrs) / sizeof(bus_addr_t); i++) {
    585 		if (SELECTABLE) {
    586 			pci_conf_write(sc->sc_pc, sc->sc_pcitag,
    587 				       YDS_PCI_LEGACY, reg | (i << (0+16)));
    588 			delay(100*1000);	/* wait 100ms */
    589 		} else
    590 			pci_conf_write(sc->sc_pc, sc->sc_pcitag,
    591 				       YDS_PCI_FM_BA, opl_addrs[i]);
    592 		if (bus_space_map(sc->sc_opl_iot,
    593 				  opl_addrs[i], 4, 0, &sc->sc_opl_ioh) == 0) {
    594 			struct audio_attach_args aa;
    595 
    596 			aa.type = AUDIODEV_TYPE_OPL;
    597 			aa.hwif = aa.hdl = NULL;
    598 			dev = config_found(self, &aa, audioprint);
    599 			if (dev == 0)
    600 				bus_space_unmap(sc->sc_opl_iot,
    601 						sc->sc_opl_ioh, 4);
    602 			else {
    603 				if (SELECTABLE)
    604 					reg |= (i << (0+16));
    605 				break;
    606 			}
    607 		}
    608 	}
    609 	if (dev == 0) {
    610 		reg &= ~YDS_PCI_LEGACY_FMEN;
    611 		pci_conf_write(sc->sc_pc, sc->sc_pcitag,
    612 			       YDS_PCI_LEGACY, reg);
    613 	} else {
    614 		/* Max. volume */
    615 		YWRITE4(sc, YDS_LEGACY_OUT_VOLUME, 0x3fff3fff);
    616 		YWRITE4(sc, YDS_LEGACY_REC_VOLUME, 0x3fff3fff);
    617 	}
    618 
    619 	/* Look for MPU */
    620 	dev = NULL;
    621 	for (i = 0; i < sizeof(mpu_addrs) / sizeof(bus_addr_t); i++) {
    622 		if (SELECTABLE)
    623 			pci_conf_write(sc->sc_pc, sc->sc_pcitag,
    624 				       YDS_PCI_LEGACY, reg | (i << (4+16)));
    625 		else
    626 			pci_conf_write(sc->sc_pc, sc->sc_pcitag,
    627 				       YDS_PCI_MPU_BA, mpu_addrs[i]);
    628 		if (bus_space_map(sc->sc_mpu_iot,
    629 				  mpu_addrs[i], 2, 0, &sc->sc_mpu_ioh) == 0) {
    630 			struct audio_attach_args aa;
    631 
    632 			aa.type = AUDIODEV_TYPE_MPU;
    633 			aa.hwif = aa.hdl = NULL;
    634 			dev = config_found(self, &aa, audioprint);
    635 			if (dev == 0)
    636 				bus_space_unmap(sc->sc_mpu_iot,
    637 						sc->sc_mpu_ioh, 2);
    638 			else {
    639 				if (SELECTABLE)
    640 					reg |= (i << (4+16));
    641 				break;
    642 			}
    643 		}
    644 	}
    645 	if (dev == 0) {
    646 		reg &= ~(YDS_PCI_LEGACY_MEN | YDS_PCI_LEGACY_MIEN);
    647 		pci_conf_write(sc->sc_pc, sc->sc_pcitag, YDS_PCI_LEGACY, reg);
    648 	}
    649 	sc->sc_mpu = dev;
    650 }
    651 #undef FLEXIBLE
    652 #undef SELECTABLE
    653 
    654 static int
    655 yds_init(struct yds_softc *sc)
    656 {
    657 	uint32_t reg;
    658 
    659 	DPRINTF(("yds_init()\n"));
    660 
    661 	/* Download microcode */
    662 	if (yds_download_mcode(sc)) {
    663 		aprint_error_dev(sc->sc_dev, "download microcode failed\n");
    664 		return 1;
    665 	}
    666 
    667 	/* Allocate DMA buffers */
    668 	if (yds_allocate_slots(sc)) {
    669 		aprint_error_dev(sc->sc_dev, "could not allocate slots\n");
    670 		return 1;
    671 	}
    672 
    673 	/* Warm reset */
    674 	reg = pci_conf_read(sc->sc_pc, sc->sc_pcitag, YDS_PCI_DSCTRL);
    675 	pci_conf_write(sc->sc_pc, sc->sc_pcitag, YDS_PCI_DSCTRL,
    676 		reg | YDS_DSCTRL_WRST);
    677 	delay(50000);
    678 
    679 	return 0;
    680 }
    681 
    682 static bool
    683 yds_suspend(device_t dv, const pmf_qual_t *qual)
    684 {
    685 	struct yds_softc *sc = device_private(dv);
    686 	pci_chipset_tag_t pc = sc->sc_pc;
    687 	pcitag_t tag = sc->sc_pcitag;
    688 
    689 	mutex_enter(&sc->sc_lock);
    690 	mutex_spin_enter(&sc->sc_intr_lock);
    691 	sc->sc_dsctrl = pci_conf_read(pc, tag, YDS_PCI_DSCTRL);
    692 	sc->sc_legacy = pci_conf_read(pc, tag, YDS_PCI_LEGACY);
    693 	sc->sc_ba[0] = pci_conf_read(pc, tag, YDS_PCI_FM_BA);
    694 	sc->sc_ba[1] = pci_conf_read(pc, tag, YDS_PCI_MPU_BA);
    695 	mutex_spin_exit(&sc->sc_intr_lock);
    696 	mutex_exit(&sc->sc_lock);
    697 
    698 	return true;
    699 }
    700 
    701 static bool
    702 yds_resume(device_t dv, const pmf_qual_t *qual)
    703 {
    704 	struct yds_softc *sc = device_private(dv);
    705 	pci_chipset_tag_t pc = sc->sc_pc;
    706 	pcitag_t tag = sc->sc_pcitag;
    707 	pcireg_t reg;
    708 
    709 	/* Disable legacy mode */
    710 	mutex_enter(&sc->sc_lock);
    711 	mutex_spin_enter(&sc->sc_intr_lock);
    712 	reg = pci_conf_read(pc, tag, YDS_PCI_LEGACY);
    713 	pci_conf_write(pc, tag, YDS_PCI_LEGACY, reg & YDS_PCI_LEGACY_LAD);
    714 
    715 	/* Enable the device. */
    716 	reg = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
    717 	reg |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
    718 		PCI_COMMAND_MASTER_ENABLE);
    719 	pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, reg);
    720 	reg = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
    721 	if (yds_init(sc)) {
    722 		aprint_error_dev(dv, "reinitialize failed\n");
    723 		mutex_spin_exit(&sc->sc_intr_lock);
    724 		mutex_exit(&sc->sc_lock);
    725 		return false;
    726 	}
    727 
    728 	pci_conf_write(pc, tag, YDS_PCI_DSCTRL, sc->sc_dsctrl);
    729 	mutex_spin_exit(&sc->sc_intr_lock);
    730 	sc->sc_codec[0].codec_if->vtbl->restore_ports(sc->sc_codec[0].codec_if);
    731 	mutex_exit(&sc->sc_lock);
    732 
    733 	return true;
    734 }
    735 
    736 static void
    737 yds_attach(device_t parent, device_t self, void *aux)
    738 {
    739 	struct yds_softc *sc;
    740 	struct pci_attach_args *pa;
    741 	pci_chipset_tag_t pc;
    742 	char const *intrstr;
    743 	pci_intr_handle_t ih;
    744 	pcireg_t reg;
    745 	struct yds_codec_softc *codec;
    746 	int i, r, to;
    747 	int revision;
    748 	int ac97_id2;
    749 
    750 	sc = device_private(self);
    751 	sc->sc_dev = self;
    752 	pa = (struct pci_attach_args *)aux;
    753 	pc = pa->pa_pc;
    754 	revision = PCI_REVISION(pa->pa_class);
    755 
    756 	pci_aprint_devinfo(pa, NULL);
    757 
    758 	/* Map register to memory */
    759 	if (pci_mapreg_map(pa, YDS_PCI_MBA, PCI_MAPREG_TYPE_MEM, 0,
    760 			   &sc->memt, &sc->memh, NULL, NULL)) {
    761 		aprint_error_dev(self, "can't map memory space\n");
    762 		return;
    763 	}
    764 
    765 	/* Map and establish the interrupt. */
    766 	if (pci_intr_map(pa, &ih)) {
    767 		aprint_error_dev(self, "couldn't map interrupt\n");
    768 		return;
    769 	}
    770 
    771 	mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_AUDIO); /* XXX IPL_NONE? */
    772 	mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
    773 
    774 	intrstr = pci_intr_string(pc, ih);
    775 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, yds_intr, sc);
    776 	if (sc->sc_ih == NULL) {
    777 		aprint_error_dev(self, "couldn't establish interrupt");
    778 		if (intrstr != NULL)
    779 			aprint_error(" at %s", intrstr);
    780 		aprint_error("\n");
    781 		mutex_destroy(&sc->sc_lock);
    782 		mutex_destroy(&sc->sc_intr_lock);
    783 		return;
    784 	}
    785 	aprint_normal_dev(self, "interrupting at %s\n", intrstr);
    786 
    787 	sc->sc_dmatag = pa->pa_dmat;
    788 	sc->sc_pc = pc;
    789 	sc->sc_pcitag = pa->pa_tag;
    790 	sc->sc_id = pa->pa_id;
    791 	sc->sc_revision = revision;
    792 	sc->sc_flags = yds_get_dstype(sc->sc_id);
    793 #ifdef AUDIO_DEBUG
    794 	if (ydsdebug) {
    795 		char bits[80];
    796 
    797 		snprintb(bits, sizeof(bits), YDS_CAP_BITS, sc->sc_flags);
    798 		printf("%s: chip has %s\n", device_xname(self), bits);
    799 	}
    800 #endif
    801 
    802 	/* Disable legacy mode */
    803 	reg = pci_conf_read(pc, pa->pa_tag, YDS_PCI_LEGACY);
    804 	pci_conf_write(pc, pa->pa_tag, YDS_PCI_LEGACY,
    805 		       reg & YDS_PCI_LEGACY_LAD);
    806 
    807 	/* Enable the device. */
    808 	reg = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
    809 	reg |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
    810 		PCI_COMMAND_MASTER_ENABLE);
    811 	pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, reg);
    812 	reg = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
    813 
    814 	/* Mute all volumes */
    815 	for (i = 0x80; i < 0xc0; i += 2)
    816 		YWRITE2(sc, i, 0);
    817 
    818 	/* Initialize the device */
    819 	if (yds_init(sc)) {
    820 		aprint_error_dev(self, "initialize failed\n");
    821 		mutex_destroy(&sc->sc_lock);
    822 		mutex_destroy(&sc->sc_intr_lock);
    823 		return;
    824 	}
    825 
    826 	/*
    827 	 * Detect primary/secondary AC97
    828 	 *	YMF754 Hardware Specification Rev 1.01 page 24
    829 	 */
    830 	reg = pci_conf_read(pc, pa->pa_tag, YDS_PCI_DSCTRL);
    831 	pci_conf_write(pc, pa->pa_tag, YDS_PCI_DSCTRL, reg & ~YDS_DSCTRL_CRST);
    832 	delay(400000);		/* Needed for 740C. */
    833 
    834 	/* Primary */
    835 	for (to = 0; to < AC97_TIMEOUT; to++) {
    836 		if ((YREAD2(sc, AC97_STAT_ADDR1) & AC97_BUSY) == 0)
    837 			break;
    838 		delay(1);
    839 	}
    840 	if (to == AC97_TIMEOUT) {
    841 		aprint_error_dev(self, "no AC97 available\n");
    842 		mutex_destroy(&sc->sc_lock);
    843 		mutex_destroy(&sc->sc_intr_lock);
    844 		return;
    845 	}
    846 
    847 	/* Secondary */
    848 	/* Secondary AC97 is used for 4ch audio. Currently unused. */
    849 	ac97_id2 = -1;
    850 	if ((YREAD2(sc, YDS_ACTIVITY) & YDS_ACTIVITY_DOCKA) == 0)
    851 		goto detected;
    852 #if 0				/* reset secondary... */
    853 	YWRITE2(sc, YDS_GPIO_OCTRL,
    854 		YREAD2(sc, YDS_GPIO_OCTRL) & ~YDS_GPIO_GPO2);
    855 	YWRITE2(sc, YDS_GPIO_FUNCE,
    856 		(YREAD2(sc, YDS_GPIO_FUNCE)&(~YDS_GPIO_GPC2))|YDS_GPIO_GPE2);
    857 #endif
    858 	for (to = 0; to < AC97_TIMEOUT; to++) {
    859 		if ((YREAD2(sc, AC97_STAT_ADDR2) & AC97_BUSY) == 0)
    860 			break;
    861 		delay(1);
    862 	}
    863 	if (to < AC97_TIMEOUT) {
    864 		/* detect id */
    865 		for (ac97_id2 = 1; ac97_id2 < 4; ac97_id2++) {
    866 			YWRITE2(sc, AC97_CMD_ADDR,
    867 				AC97_CMD_READ | AC97_ID(ac97_id2) | 0x28);
    868 
    869 			for (to = 0; to < AC97_TIMEOUT; to++) {
    870 				if ((YREAD2(sc, AC97_STAT_ADDR2) & AC97_BUSY)
    871 				    == 0)
    872 					goto detected;
    873 				delay(1);
    874 			}
    875 		}
    876 		if (ac97_id2 == 4)
    877 			ac97_id2 = -1;
    878 detected:
    879 		;
    880 	}
    881 
    882 	pci_conf_write(pc, pa->pa_tag, YDS_PCI_DSCTRL, reg | YDS_DSCTRL_CRST);
    883 	delay (20);
    884 	pci_conf_write(pc, pa->pa_tag, YDS_PCI_DSCTRL, reg & ~YDS_DSCTRL_CRST);
    885 	delay (400000);
    886 	for (to = 0; to < AC97_TIMEOUT; to++) {
    887 		if ((YREAD2(sc, AC97_STAT_ADDR1) & AC97_BUSY) == 0)
    888 			break;
    889 		delay(1);
    890 	}
    891 
    892 	/*
    893 	 * Attach ac97 codec
    894 	 */
    895 	for (i = 0; i < 2; i++) {
    896 		static struct {
    897 			int data;
    898 			int addr;
    899 		} statregs[] = {
    900 			{AC97_STAT_DATA1, AC97_STAT_ADDR1},
    901 			{AC97_STAT_DATA2, AC97_STAT_ADDR2},
    902 		};
    903 
    904 		if (i == 1 && ac97_id2 == -1)
    905 			break;		/* secondary ac97 not available */
    906 
    907 		codec = &sc->sc_codec[i];
    908 		codec->sc = sc;
    909 		codec->id = i == 1 ? ac97_id2 : 0;
    910 		codec->status_data = statregs[i].data;
    911 		codec->status_addr = statregs[i].addr;
    912 		codec->host_if.arg = codec;
    913 		codec->host_if.attach = yds_attach_codec;
    914 		codec->host_if.read = yds_read_codec;
    915 		codec->host_if.write = yds_write_codec;
    916 		codec->host_if.reset = yds_reset_codec;
    917 
    918 		r = ac97_attach(&codec->host_if, self, &sc->sc_lock);
    919 		if (r != 0) {
    920 			aprint_error_dev(self, "can't attach codec (error 0x%X)\n", r);
    921 			mutex_destroy(&sc->sc_lock);
    922 			mutex_destroy(&sc->sc_intr_lock);
    923 			return;
    924 		}
    925 	}
    926 
    927 	if (0 != auconv_create_encodings(yds_formats, YDS_NFORMATS,
    928 	    &sc->sc_encodings)) {
    929 		mutex_destroy(&sc->sc_lock);
    930 		mutex_destroy(&sc->sc_intr_lock);
    931 		return;
    932 	}
    933 
    934 	audio_attach_mi(&yds_hw_if, sc, self);
    935 
    936 	sc->sc_legacy_iot = pa->pa_iot;
    937 	config_defer(self, yds_configure_legacy);
    938 
    939 	if (!pmf_device_register(self, yds_suspend, yds_resume))
    940 		aprint_error_dev(self, "couldn't establish power handler\n");
    941 }
    942 
    943 static int
    944 yds_attach_codec(void *sc_, struct ac97_codec_if *codec_if)
    945 {
    946 	struct yds_codec_softc *sc;
    947 
    948 	sc = sc_;
    949 	sc->codec_if = codec_if;
    950 	return 0;
    951 }
    952 
    953 static int
    954 yds_ready_codec(struct yds_codec_softc *sc)
    955 {
    956 	int to;
    957 
    958 	for (to = 0; to < AC97_TIMEOUT; to++) {
    959 		if ((YREAD2(sc->sc, sc->status_addr) & AC97_BUSY) == 0)
    960 			return 0;
    961 		delay(1);
    962 	}
    963 
    964 	return 1;
    965 }
    966 
    967 static int
    968 yds_read_codec(void *sc_, uint8_t reg, uint16_t *data)
    969 {
    970 	struct yds_codec_softc *sc;
    971 
    972 	sc = sc_;
    973 	YWRITE2(sc->sc, AC97_CMD_ADDR, AC97_CMD_READ | AC97_ID(sc->id) | reg);
    974 
    975 	if (yds_ready_codec(sc)) {
    976 		aprint_error_dev(sc->sc->sc_dev, "yds_read_codec timeout\n");
    977 		return EIO;
    978 	}
    979 
    980 	if (PCI_PRODUCT(sc->sc->sc_id) == PCI_PRODUCT_YAMAHA_YMF744B &&
    981 	    sc->sc->sc_revision < 2) {
    982 		int i;
    983 		for (i=0; i<600; i++)
    984 			(void)YREAD2(sc->sc, sc->status_data);
    985 	}
    986 
    987 	*data = YREAD2(sc->sc, sc->status_data);
    988 
    989 	return 0;
    990 }
    991 
    992 static int
    993 yds_write_codec(void *sc_, uint8_t reg, uint16_t data)
    994 {
    995 	struct yds_codec_softc *sc;
    996 
    997 	sc = sc_;
    998 	YWRITE2(sc->sc, AC97_CMD_ADDR, AC97_CMD_WRITE | AC97_ID(sc->id) | reg);
    999 	YWRITE2(sc->sc, AC97_CMD_DATA, data);
   1000 
   1001 	if (yds_ready_codec(sc)) {
   1002 		aprint_error_dev(sc->sc->sc_dev, "yds_write_codec timeout\n");
   1003 		return EIO;
   1004 	}
   1005 
   1006 	return 0;
   1007 }
   1008 
   1009 /*
   1010  * XXX: Must handle the secondary differntly!!
   1011  */
   1012 static int
   1013 yds_reset_codec(void *sc_)
   1014 {
   1015 	struct yds_codec_softc *codec;
   1016 	struct yds_softc *sc;
   1017 	pcireg_t reg;
   1018 
   1019 	codec = sc_;
   1020 	sc = codec->sc;
   1021 	/* reset AC97 codec */
   1022 	reg = pci_conf_read(sc->sc_pc, sc->sc_pcitag, YDS_PCI_DSCTRL);
   1023 	if (reg & 0x03) {
   1024 		pci_conf_write(sc->sc_pc, sc->sc_pcitag,
   1025 			       YDS_PCI_DSCTRL, reg & ~0x03);
   1026 		pci_conf_write(sc->sc_pc, sc->sc_pcitag,
   1027 			       YDS_PCI_DSCTRL, reg | 0x03);
   1028 		pci_conf_write(sc->sc_pc, sc->sc_pcitag,
   1029 			       YDS_PCI_DSCTRL, reg & ~0x03);
   1030 		delay(50000);
   1031 	}
   1032 
   1033 	yds_ready_codec(sc_);
   1034 	return 0;
   1035 }
   1036 
   1037 static int
   1038 yds_intr(void *p)
   1039 {
   1040 	struct yds_softc *sc = p;
   1041 #if NMPU > 0
   1042 	struct mpu_softc *sc_mpu = device_private(sc->sc_mpu);
   1043 #endif
   1044 	u_int status;
   1045 
   1046 	mutex_spin_enter(&sc->sc_intr_lock);
   1047 
   1048 	status = YREAD4(sc, YDS_STATUS);
   1049 	DPRINTFN(1, ("yds_intr: status=%08x\n", status));
   1050 	if ((status & (YDS_STAT_INT|YDS_STAT_TINT)) == 0) {
   1051 #if NMPU > 0
   1052 		if (sc_mpu)
   1053 			return mpu_intr(sc_mpu);
   1054 #endif
   1055 		mutex_spin_exit(&sc->sc_intr_lock);
   1056 		return 0;
   1057 	}
   1058 
   1059 	if (status & YDS_STAT_TINT) {
   1060 		YWRITE4(sc, YDS_STATUS, YDS_STAT_TINT);
   1061 		printf ("yds_intr: timeout!\n");
   1062 	}
   1063 
   1064 	if (status & YDS_STAT_INT) {
   1065 		int nbank;
   1066 
   1067 		nbank = (YREAD4(sc, YDS_CONTROL_SELECT) == 0);
   1068 		/* Clear interrupt flag */
   1069 		YWRITE4(sc, YDS_STATUS, YDS_STAT_INT);
   1070 
   1071 		/* Buffer for the next frame is always ready. */
   1072 		YWRITE4(sc, YDS_MODE, YREAD4(sc, YDS_MODE) | YDS_MODE_ACTV2);
   1073 
   1074 		if (sc->sc_play.intr) {
   1075 			u_int dma, ccpu, blk, len;
   1076 
   1077 			/* Sync play slot control data */
   1078 			bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
   1079 					sc->pbankoff,
   1080 					sizeof(struct play_slot_ctrl_bank)*
   1081 					    le32toh(*sc->ptbl)*
   1082 					    N_PLAY_SLOT_CTRL_BANK,
   1083 					BUS_DMASYNC_POSTWRITE|
   1084 					BUS_DMASYNC_POSTREAD);
   1085 			dma = le32toh(sc->pbankp[nbank]->pgstart) * sc->sc_play.factor;
   1086 			ccpu = sc->sc_play.offset;
   1087 			blk = sc->sc_play.blksize;
   1088 			len = sc->sc_play.length;
   1089 
   1090 			if (((dma > ccpu) && (dma - ccpu > blk * 2)) ||
   1091 			    ((ccpu > dma) && (dma + len - ccpu > blk * 2))) {
   1092 				/* We can fill the next block */
   1093 				/* Sync ring buffer for previous write */
   1094 				bus_dmamap_sync(sc->sc_dmatag,
   1095 						sc->sc_play.dma->map,
   1096 						ccpu, blk,
   1097 						BUS_DMASYNC_POSTWRITE);
   1098 				sc->sc_play.intr(sc->sc_play.intr_arg);
   1099 				sc->sc_play.offset += blk;
   1100 				if (sc->sc_play.offset >= len) {
   1101 					sc->sc_play.offset -= len;
   1102 #ifdef DIAGNOSTIC
   1103 					if (sc->sc_play.offset != 0)
   1104 						printf ("Audio ringbuffer botch\n");
   1105 #endif
   1106 				}
   1107 				/* Sync ring buffer for next write */
   1108 				bus_dmamap_sync(sc->sc_dmatag,
   1109 						sc->sc_play.dma->map,
   1110 						ccpu, blk,
   1111 						BUS_DMASYNC_PREWRITE);
   1112 			}
   1113 		}
   1114 		if (sc->sc_rec.intr) {
   1115 			u_int dma, ccpu, blk, len;
   1116 
   1117 			/* Sync rec slot control data */
   1118 			bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
   1119 					sc->rbankoff,
   1120 					sizeof(struct rec_slot_ctrl_bank)*
   1121 					    N_REC_SLOT_CTRL*
   1122 					    N_REC_SLOT_CTRL_BANK,
   1123 					BUS_DMASYNC_POSTWRITE|
   1124 					BUS_DMASYNC_POSTREAD);
   1125 			dma = le32toh(sc->rbank[YDS_INPUT_SLOT*2 + nbank].pgstartadr);
   1126 			ccpu = sc->sc_rec.offset;
   1127 			blk = sc->sc_rec.blksize;
   1128 			len = sc->sc_rec.length;
   1129 
   1130 			if (((dma > ccpu) && (dma - ccpu > blk * 2)) ||
   1131 			    ((ccpu > dma) && (dma + len - ccpu > blk * 2))) {
   1132 				/* We can drain the current block */
   1133 				/* Sync ring buffer first */
   1134 				bus_dmamap_sync(sc->sc_dmatag,
   1135 						sc->sc_rec.dma->map,
   1136 						ccpu, blk,
   1137 						BUS_DMASYNC_POSTREAD);
   1138 				sc->sc_rec.intr(sc->sc_rec.intr_arg);
   1139 				sc->sc_rec.offset += blk;
   1140 				if (sc->sc_rec.offset >= len) {
   1141 					sc->sc_rec.offset -= len;
   1142 #ifdef DIAGNOSTIC
   1143 					if (sc->sc_rec.offset != 0)
   1144 						printf ("Audio ringbuffer botch\n");
   1145 #endif
   1146 				}
   1147 				/* Sync ring buffer for next read */
   1148 				bus_dmamap_sync(sc->sc_dmatag,
   1149 						sc->sc_rec.dma->map,
   1150 						ccpu, blk,
   1151 						BUS_DMASYNC_PREREAD);
   1152 			}
   1153 		}
   1154 	}
   1155 
   1156 	mutex_spin_exit(&sc->sc_intr_lock);
   1157 	return 1;
   1158 }
   1159 
   1160 static int
   1161 yds_allocmem(struct yds_softc *sc, size_t size, size_t align, struct yds_dma *p)
   1162 {
   1163 	int error;
   1164 
   1165 	p->size = size;
   1166 	error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0,
   1167 				 p->segs, sizeof(p->segs)/sizeof(p->segs[0]),
   1168 				 &p->nsegs, BUS_DMA_WAITOK);
   1169 	if (error)
   1170 		return error;
   1171 
   1172 	error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size,
   1173 			       &p->addr, BUS_DMA_WAITOK|BUS_DMA_COHERENT);
   1174 	if (error)
   1175 		goto free;
   1176 
   1177 	error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size,
   1178 				  0, BUS_DMA_WAITOK, &p->map);
   1179 	if (error)
   1180 		goto unmap;
   1181 
   1182 	error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL,
   1183 				BUS_DMA_WAITOK);
   1184 	if (error)
   1185 		goto destroy;
   1186 	return 0;
   1187 
   1188 destroy:
   1189 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
   1190 unmap:
   1191 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
   1192 free:
   1193 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
   1194 	return error;
   1195 }
   1196 
   1197 static int
   1198 yds_freemem(struct yds_softc *sc, struct yds_dma *p)
   1199 {
   1200 
   1201 	bus_dmamap_unload(sc->sc_dmatag, p->map);
   1202 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
   1203 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
   1204 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
   1205 	return 0;
   1206 }
   1207 
   1208 static int
   1209 yds_open(void *addr, int flags)
   1210 {
   1211 	struct yds_softc *sc;
   1212 	uint32_t mode;
   1213 
   1214 	sc = addr;
   1215 	/* Select bank 0. */
   1216 	YWRITE4(sc, YDS_CONTROL_SELECT, 0);
   1217 
   1218 	/* Start the DSP operation. */
   1219 	mode = YREAD4(sc, YDS_MODE);
   1220 	mode |= YDS_MODE_ACTV;
   1221 	mode &= ~YDS_MODE_ACTV2;
   1222 	YWRITE4(sc, YDS_MODE, mode);
   1223 
   1224 	return 0;
   1225 }
   1226 
   1227 static void
   1228 yds_close(void *addr)
   1229 {
   1230 
   1231 	yds_halt(addr);
   1232 }
   1233 
   1234 static int
   1235 yds_query_encoding(void *addr, struct audio_encoding *fp)
   1236 {
   1237 	struct yds_softc *sc;
   1238 
   1239 	sc = addr;
   1240 	return auconv_query_encoding(sc->sc_encodings, fp);
   1241 }
   1242 
   1243 static int
   1244 yds_set_params(void *addr, int setmode, int usemode,
   1245 	       audio_params_t *play, audio_params_t* rec,
   1246 	       stream_filter_list_t *pfil, stream_filter_list_t *rfil)
   1247 {
   1248 	if (setmode & AUMODE_RECORD) {
   1249 		if (auconv_set_converter(yds_formats, YDS_NFORMATS,
   1250 					 AUMODE_RECORD, rec, FALSE, rfil) < 0)
   1251 			return EINVAL;
   1252 	}
   1253 	if (setmode & AUMODE_PLAY) {
   1254 		if (auconv_set_converter(yds_formats, YDS_NFORMATS,
   1255 					 AUMODE_PLAY, play, FALSE, pfil) < 0)
   1256 			return EINVAL;
   1257 	}
   1258 	return 0;
   1259 }
   1260 
   1261 static int
   1262 yds_round_blocksize(void *addr, int blk, int mode,
   1263     const audio_params_t *param)
   1264 {
   1265 
   1266 	/*
   1267 	 * Block size must be bigger than a frame.
   1268 	 * That is 1024bytes at most, i.e. for 48000Hz, 16bit, 2ch.
   1269 	 */
   1270 	if (blk < 1024)
   1271 		blk = 1024;
   1272 
   1273 	return blk & ~4;
   1274 }
   1275 
   1276 static uint32_t
   1277 yds_get_lpfq(u_int sample_rate)
   1278 {
   1279 	int i;
   1280 	static struct lpfqt {
   1281 		u_int rate;
   1282 		uint32_t lpfq;
   1283 	} lpfqt[] = {
   1284 		{8000,  0x32020000},
   1285 		{11025, 0x31770000},
   1286 		{16000, 0x31390000},
   1287 		{22050, 0x31c90000},
   1288 		{32000, 0x33d00000},
   1289 		{48000, 0x40000000},
   1290 		{0, 0}
   1291 	};
   1292 
   1293 	if (sample_rate == 44100)		/* for P44 slot? */
   1294 		return 0x370A0000;
   1295 
   1296 	for (i = 0; lpfqt[i].rate != 0; i++)
   1297 		if (sample_rate <= lpfqt[i].rate)
   1298 			break;
   1299 
   1300 	return lpfqt[i].lpfq;
   1301 }
   1302 
   1303 static uint32_t
   1304 yds_get_lpfk(u_int sample_rate)
   1305 {
   1306 	int i;
   1307 	static struct lpfkt {
   1308 		u_int rate;
   1309 		uint32_t lpfk;
   1310 	} lpfkt[] = {
   1311 		{8000,  0x18b20000},
   1312 		{11025, 0x20930000},
   1313 		{16000, 0x2b9a0000},
   1314 		{22050, 0x35a10000},
   1315 		{32000, 0x3eaa0000},
   1316 		{48000, 0x40000000},
   1317 		{0, 0}
   1318 	};
   1319 
   1320 	if (sample_rate == 44100)		/* for P44 slot? */
   1321 		return 0x46460000;
   1322 
   1323 	for (i = 0; lpfkt[i].rate != 0; i++)
   1324 		if (sample_rate <= lpfkt[i].rate)
   1325 			break;
   1326 
   1327 	return lpfkt[i].lpfk;
   1328 }
   1329 
   1330 static int
   1331 yds_trigger_output(void *addr, void *start, void *end, int blksize,
   1332 		   void (*intr)(void *), void *arg, const audio_params_t *param)
   1333 #define P44		(sc->sc_flags & YDS_CAP_HAS_P44)
   1334 {
   1335 	struct yds_softc *sc;
   1336 	struct yds_dma *p;
   1337 	struct play_slot_ctrl_bank *psb;
   1338 	const u_int gain = 0x40000000;
   1339 	bus_addr_t s;
   1340 	size_t l;
   1341 	int i;
   1342 	int p44, channels;
   1343 	uint32_t format;
   1344 
   1345 	sc = addr;
   1346 #ifdef DIAGNOSTIC
   1347 	if (sc->sc_play.intr)
   1348 		panic("yds_trigger_output: already running");
   1349 #endif
   1350 
   1351 	sc->sc_play.intr = intr;
   1352 	sc->sc_play.intr_arg = arg;
   1353 	sc->sc_play.offset = 0;
   1354 	sc->sc_play.blksize = blksize;
   1355 
   1356 	DPRINTFN(1, ("yds_trigger_output: sc=%p start=%p end=%p "
   1357 	    "blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
   1358 
   1359 	p = yds_find_dma(sc, start);
   1360 	if (!p) {
   1361 		printf("yds_trigger_output: bad addr %p\n", start);
   1362 		return EINVAL;
   1363 	}
   1364 	sc->sc_play.dma = p;
   1365 
   1366 #ifdef YDS_USE_P44
   1367 	/* The document says the P44 SRC supports only stereo, 16bit PCM. */
   1368 	if (P44)
   1369 		p44 = ((param->sample_rate == 44100) &&
   1370 		       (param->channels == 2) &&
   1371 		       (param->precision == 16));
   1372 	else
   1373 #endif
   1374 		p44 = 0;
   1375 	channels = p44 ? 1 : param->channels;
   1376 
   1377 	s = DMAADDR(p);
   1378 	l = ((char *)end - (char *)start);
   1379 	sc->sc_play.length = l;
   1380 
   1381 	*sc->ptbl = htole32(channels);	/* Num of play */
   1382 
   1383 	sc->sc_play.factor = 1;
   1384 	if (param->channels == 2)
   1385 		sc->sc_play.factor *= 2;
   1386 	if (param->precision != 8)
   1387 		sc->sc_play.factor *= 2;
   1388 	l /= sc->sc_play.factor;
   1389 
   1390 	format = ((channels == 2 ? PSLT_FORMAT_STEREO : 0) |
   1391 		  (param->precision == 8 ? PSLT_FORMAT_8BIT : 0) |
   1392 		  (p44 ? PSLT_FORMAT_SRC441 : 0));
   1393 
   1394 	psb = sc->pbankp[0];
   1395 	memset(psb, 0, sizeof(*psb));
   1396 	psb->format = htole32(format);
   1397 	psb->pgbase = htole32(s);
   1398 	psb->pgloopend = htole32(l);
   1399 	if (!p44) {
   1400 		psb->pgdeltaend = htole32((param->sample_rate * 65536 / 48000) << 12);
   1401 		psb->lpfkend = htole32(yds_get_lpfk(param->sample_rate));
   1402 		psb->eggainend = htole32(gain);
   1403 		psb->lpfq = htole32(yds_get_lpfq(param->sample_rate));
   1404 		psb->pgdelta = htole32(psb->pgdeltaend);
   1405 		psb->lpfk = htole32(yds_get_lpfk(param->sample_rate));
   1406 		psb->eggain = htole32(gain);
   1407 	}
   1408 
   1409 	for (i = 0; i < channels; i++) {
   1410 		/* i == 0: left or mono, i == 1: right */
   1411 		psb = sc->pbankp[i*2];
   1412 		if (i)
   1413 			/* copy from left */
   1414 			*psb = *(sc->pbankp[0]);
   1415 		if (channels == 2) {
   1416 			/* stereo */
   1417 			if (i == 0) {
   1418 				psb->lchgain = psb->lchgainend = htole32(gain);
   1419 			} else {
   1420 				psb->lchgain = psb->lchgainend = 0;
   1421 				psb->rchgain = psb->rchgainend = htole32(gain);
   1422 				psb->format |= htole32(PSLT_FORMAT_RCH);
   1423 			}
   1424 		} else if (!p44) {
   1425 			/* mono */
   1426 			psb->lchgain = psb->rchgain = htole32(gain);
   1427 			psb->lchgainend = psb->rchgainend = htole32(gain);
   1428 		}
   1429 		/* copy to the other bank */
   1430 		*(sc->pbankp[i*2+1]) = *psb;
   1431 	}
   1432 
   1433 	YDS_DUMP_PLAY_SLOT(5, sc, 0);
   1434 	YDS_DUMP_PLAY_SLOT(5, sc, 1);
   1435 
   1436 	if (p44)
   1437 		YWRITE4(sc, YDS_P44_OUT_VOLUME, 0x3fff3fff);
   1438 	else
   1439 		YWRITE4(sc, YDS_DAC_OUT_VOLUME, 0x3fff3fff);
   1440 
   1441 	/* Now the play slot for the next frame is set up!! */
   1442 	/* Sync play slot control data for both directions */
   1443 	bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
   1444 			sc->ptbloff,
   1445 			sizeof(struct play_slot_ctrl_bank) *
   1446 			    channels * N_PLAY_SLOT_CTRL_BANK,
   1447 			BUS_DMASYNC_PREWRITE|BUS_DMASYNC_PREREAD);
   1448 	/* Sync ring buffer */
   1449 	bus_dmamap_sync(sc->sc_dmatag, p->map, 0, blksize,
   1450 			BUS_DMASYNC_PREWRITE);
   1451 	/* HERE WE GO!! */
   1452 	YWRITE4(sc, YDS_MODE,
   1453 		YREAD4(sc, YDS_MODE) | YDS_MODE_ACTV | YDS_MODE_ACTV2);
   1454 
   1455 	return 0;
   1456 }
   1457 #undef P44
   1458 
   1459 static int
   1460 yds_trigger_input(void *addr, void *start, void *end, int blksize,
   1461 		  void (*intr)(void *), void *arg, const audio_params_t *param)
   1462 {
   1463 	struct yds_softc *sc;
   1464 	struct yds_dma *p;
   1465 	u_int srate, format;
   1466 	struct rec_slot_ctrl_bank *rsb;
   1467 	bus_addr_t s;
   1468 	size_t l;
   1469 
   1470 	sc = addr;
   1471 #ifdef DIAGNOSTIC
   1472 	if (sc->sc_rec.intr)
   1473 		panic("yds_trigger_input: already running");
   1474 #endif
   1475 	sc->sc_rec.intr = intr;
   1476 	sc->sc_rec.intr_arg = arg;
   1477 	sc->sc_rec.offset = 0;
   1478 	sc->sc_rec.blksize = blksize;
   1479 
   1480 	DPRINTFN(1, ("yds_trigger_input: "
   1481 	    "sc=%p start=%p end=%p blksize=%d intr=%p(%p)\n",
   1482 	    addr, start, end, blksize, intr, arg));
   1483 	DPRINTFN(1, (" parameters: rate=%u, precision=%u, channels=%u\n",
   1484 	    param->sample_rate, param->precision, param->channels));
   1485 
   1486 	p = yds_find_dma(sc, start);
   1487 	if (!p) {
   1488 		printf("yds_trigger_input: bad addr %p\n", start);
   1489 		return EINVAL;
   1490 	}
   1491 	sc->sc_rec.dma = p;
   1492 
   1493 	s = DMAADDR(p);
   1494 	l = ((char *)end - (char *)start);
   1495 	sc->sc_rec.length = l;
   1496 
   1497 	sc->sc_rec.factor = 1;
   1498 	if (param->channels == 2)
   1499 		sc->sc_rec.factor *= 2;
   1500 	if (param->precision != 8)
   1501 		sc->sc_rec.factor *= 2;
   1502 
   1503 	rsb = &sc->rbank[0];
   1504 	memset(rsb, 0, sizeof(*rsb));
   1505 	rsb->pgbase = htole32(s);
   1506 	rsb->pgloopendadr = htole32(l);
   1507 	/* Seems all 4 banks must be set up... */
   1508 	sc->rbank[1] = *rsb;
   1509 	sc->rbank[2] = *rsb;
   1510 	sc->rbank[3] = *rsb;
   1511 
   1512 	YWRITE4(sc, YDS_ADC_IN_VOLUME, 0x3fff3fff);
   1513 	YWRITE4(sc, YDS_REC_IN_VOLUME, 0x3fff3fff);
   1514 	srate = 48000 * 4096 / param->sample_rate - 1;
   1515 	format = ((param->precision == 8 ? YDS_FORMAT_8BIT : 0) |
   1516 		  (param->channels == 2 ? YDS_FORMAT_STEREO : 0));
   1517 	DPRINTF(("srate=%d, format=%08x\n", srate, format));
   1518 #ifdef YDS_USE_REC_SLOT
   1519 	YWRITE4(sc, YDS_DAC_REC_VOLUME, 0x3fff3fff);
   1520 	YWRITE4(sc, YDS_P44_REC_VOLUME, 0x3fff3fff);
   1521 	YWRITE4(sc, YDS_MAPOF_REC, YDS_RECSLOT_VALID);
   1522 	YWRITE4(sc, YDS_REC_SAMPLE_RATE, srate);
   1523 	YWRITE4(sc, YDS_REC_FORMAT, format);
   1524 #else
   1525 	YWRITE4(sc, YDS_MAPOF_REC, YDS_ADCSLOT_VALID);
   1526 	YWRITE4(sc, YDS_ADC_SAMPLE_RATE, srate);
   1527 	YWRITE4(sc, YDS_ADC_FORMAT, format);
   1528 #endif
   1529 	/* Now the rec slot for the next frame is set up!! */
   1530 	/* Sync record slot control data */
   1531 	bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
   1532 			sc->rbankoff,
   1533 			sizeof(struct rec_slot_ctrl_bank)*
   1534 			    N_REC_SLOT_CTRL*
   1535 			    N_REC_SLOT_CTRL_BANK,
   1536 			BUS_DMASYNC_PREWRITE|BUS_DMASYNC_PREREAD);
   1537 	/* Sync ring buffer */
   1538 	bus_dmamap_sync(sc->sc_dmatag, p->map, 0, blksize,
   1539 			BUS_DMASYNC_PREREAD);
   1540 	/* HERE WE GO!! */
   1541 	YWRITE4(sc, YDS_MODE,
   1542 		YREAD4(sc, YDS_MODE) | YDS_MODE_ACTV | YDS_MODE_ACTV2);
   1543 
   1544 	return 0;
   1545 }
   1546 
   1547 static int
   1548 yds_halt(struct yds_softc *sc)
   1549 {
   1550 	uint32_t mode;
   1551 
   1552 	/* Stop the DSP operation. */
   1553 	mode = YREAD4(sc, YDS_MODE);
   1554 	YWRITE4(sc, YDS_MODE, mode & ~(YDS_MODE_ACTV|YDS_MODE_ACTV2));
   1555 
   1556 	/* Paranoia...  mute all */
   1557 	YWRITE4(sc, YDS_P44_OUT_VOLUME, 0);
   1558 	YWRITE4(sc, YDS_DAC_OUT_VOLUME, 0);
   1559 	YWRITE4(sc, YDS_ADC_IN_VOLUME, 0);
   1560 	YWRITE4(sc, YDS_REC_IN_VOLUME, 0);
   1561 	YWRITE4(sc, YDS_DAC_REC_VOLUME, 0);
   1562 	YWRITE4(sc, YDS_P44_REC_VOLUME, 0);
   1563 
   1564 	return 0;
   1565 }
   1566 
   1567 static int
   1568 yds_halt_output(void *addr)
   1569 {
   1570 	struct yds_softc *sc;
   1571 
   1572 	DPRINTF(("yds: yds_halt_output\n"));
   1573 	sc = addr;
   1574 	if (sc->sc_play.intr) {
   1575 		sc->sc_play.intr = 0;
   1576 		/* Sync play slot control data */
   1577 		bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
   1578 				sc->pbankoff,
   1579 				sizeof(struct play_slot_ctrl_bank)*
   1580 				    (*sc->ptbl)*N_PLAY_SLOT_CTRL_BANK,
   1581 				BUS_DMASYNC_POSTWRITE|BUS_DMASYNC_POSTREAD);
   1582 		/* Stop the play slot operation */
   1583 		sc->pbankp[0]->status =
   1584 		sc->pbankp[1]->status =
   1585 		sc->pbankp[2]->status =
   1586 		sc->pbankp[3]->status = 1;
   1587 		/* Sync ring buffer */
   1588 		bus_dmamap_sync(sc->sc_dmatag, sc->sc_play.dma->map,
   1589 				0, sc->sc_play.length, BUS_DMASYNC_POSTWRITE);
   1590 	}
   1591 
   1592 	return 0;
   1593 }
   1594 
   1595 static int
   1596 yds_halt_input(void *addr)
   1597 {
   1598 	struct yds_softc *sc;
   1599 
   1600 	DPRINTF(("yds: yds_halt_input\n"));
   1601 	sc = addr;
   1602 	sc->sc_rec.intr = NULL;
   1603 	if (sc->sc_rec.intr) {
   1604 		/* Stop the rec slot operation */
   1605 		YWRITE4(sc, YDS_MAPOF_REC, 0);
   1606 		sc->sc_rec.intr = 0;
   1607 		/* Sync rec slot control data */
   1608 		bus_dmamap_sync(sc->sc_dmatag, sc->sc_ctrldata.map,
   1609 				sc->rbankoff,
   1610 				sizeof(struct rec_slot_ctrl_bank)*
   1611 				    N_REC_SLOT_CTRL*N_REC_SLOT_CTRL_BANK,
   1612 				BUS_DMASYNC_POSTWRITE|BUS_DMASYNC_POSTREAD);
   1613 		/* Sync ring buffer */
   1614 		bus_dmamap_sync(sc->sc_dmatag, sc->sc_rec.dma->map,
   1615 				0, sc->sc_rec.length, BUS_DMASYNC_POSTREAD);
   1616 	}
   1617 
   1618 	return 0;
   1619 }
   1620 
   1621 static int
   1622 yds_getdev(void *addr, struct audio_device *retp)
   1623 {
   1624 
   1625 	*retp = yds_device;
   1626 	return 0;
   1627 }
   1628 
   1629 static int
   1630 yds_mixer_set_port(void *addr, mixer_ctrl_t *cp)
   1631 {
   1632 	struct yds_softc *sc;
   1633 
   1634 	sc = addr;
   1635 	return sc->sc_codec[0].codec_if->vtbl->mixer_set_port(
   1636 	    sc->sc_codec[0].codec_if, cp);
   1637 }
   1638 
   1639 static int
   1640 yds_mixer_get_port(void *addr, mixer_ctrl_t *cp)
   1641 {
   1642 	struct yds_softc *sc;
   1643 
   1644 	sc = addr;
   1645 	return sc->sc_codec[0].codec_if->vtbl->mixer_get_port(
   1646 	    sc->sc_codec[0].codec_if, cp);
   1647 }
   1648 
   1649 static int
   1650 yds_query_devinfo(void *addr, mixer_devinfo_t *dip)
   1651 {
   1652 	struct yds_softc *sc;
   1653 
   1654 	sc = addr;
   1655 	return sc->sc_codec[0].codec_if->vtbl->query_devinfo(
   1656 	    sc->sc_codec[0].codec_if, dip);
   1657 }
   1658 
   1659 static void *
   1660 yds_malloc(void *addr, int direction, size_t size)
   1661 {
   1662 	struct yds_softc *sc;
   1663 	struct yds_dma *p;
   1664 	int error;
   1665 
   1666 	p = kmem_alloc(sizeof(*p), KM_SLEEP);
   1667 	if (p == NULL)
   1668 		return NULL;
   1669 	sc = addr;
   1670 	error = yds_allocmem(sc, size, 16, p);
   1671 	if (error) {
   1672 		kmem_free(p, sizeof(*p));
   1673 		return NULL;
   1674 	}
   1675 	p->next = sc->sc_dmas;
   1676 	sc->sc_dmas = p;
   1677 	return KERNADDR(p);
   1678 }
   1679 
   1680 static void
   1681 yds_free(void *addr, void *ptr, size_t size)
   1682 {
   1683 	struct yds_softc *sc;
   1684 	struct yds_dma **pp, *p;
   1685 
   1686 	sc = addr;
   1687 	for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
   1688 		if (KERNADDR(p) == ptr) {
   1689 			yds_freemem(sc, p);
   1690 			*pp = p->next;
   1691 			kmem_free(p, sizeof(*p));
   1692 			return;
   1693 		}
   1694 	}
   1695 }
   1696 
   1697 static struct yds_dma *
   1698 yds_find_dma(struct yds_softc *sc, void *addr)
   1699 {
   1700 	struct yds_dma *p;
   1701 
   1702 	for (p = sc->sc_dmas; p && KERNADDR(p) != addr; p = p->next)
   1703 		continue;
   1704 
   1705 	return p;
   1706 }
   1707 
   1708 static size_t
   1709 yds_round_buffersize(void *addr, int direction, size_t size)
   1710 {
   1711 
   1712 	/*
   1713 	 * Buffer size should be at least twice as bigger as a frame.
   1714 	 */
   1715 	if (size < 1024 * 3)
   1716 		size = 1024 * 3;
   1717 	return size;
   1718 }
   1719 
   1720 static paddr_t
   1721 yds_mappage(void *addr, void *mem, off_t off, int prot)
   1722 {
   1723 	struct yds_softc *sc;
   1724 	struct yds_dma *p;
   1725 
   1726 	if (off < 0)
   1727 		return -1;
   1728 	sc = addr;
   1729 	p = yds_find_dma(sc, mem);
   1730 	if (p == NULL)
   1731 		return -1;
   1732 	return bus_dmamem_mmap(sc->sc_dmatag, p->segs, p->nsegs,
   1733 	    off, prot, BUS_DMA_WAITOK);
   1734 }
   1735 
   1736 static int
   1737 yds_get_props(void *addr)
   1738 {
   1739 
   1740 	return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
   1741 	    AUDIO_PROP_FULLDUPLEX;
   1742 }
   1743 
   1744 static void
   1745 yds_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread)
   1746 {
   1747 	struct yds_softc *sc;
   1748 
   1749 	sc = addr;
   1750 	*intr = &sc->sc_intr_lock;
   1751 	*thread = &sc->sc_lock;
   1752 }
   1753