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auvia.c revision 1.64.4.1
      1 /*	$NetBSD: auvia.c,v 1.64.4.1 2008/05/16 02:24:42 yamt Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Tyler C. Sarna
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * VIA Technologies VT82C686A / VT8233 / VT8235 Southbridge Audio Driver
     34  *
     35  * Documentation links:
     36  *
     37  * ftp://ftp.alsa-project.org/pub/manuals/via/686a.pdf
     38  * ftp://ftp.alsa-project.org/pub/manuals/general/ac97r21.pdf
     39  * ftp://ftp.alsa-project.org/pub/manuals/ad/AD1881_0.pdf (example AC'97 codec)
     40  */
     41 
     42 #include <sys/cdefs.h>
     43 __KERNEL_RCSID(0, "$NetBSD: auvia.c,v 1.64.4.1 2008/05/16 02:24:42 yamt Exp $");
     44 
     45 #include <sys/param.h>
     46 #include <sys/systm.h>
     47 #include <sys/malloc.h>
     48 #include <sys/device.h>
     49 #include <sys/audioio.h>
     50 
     51 #include <uvm/uvm_extern.h>
     52 
     53 #include <dev/pci/pcidevs.h>
     54 #include <dev/pci/pcivar.h>
     55 
     56 #include <dev/audio_if.h>
     57 #include <dev/mulaw.h>
     58 #include <dev/auconv.h>
     59 
     60 #include <dev/ic/ac97reg.h>
     61 #include <dev/ic/ac97var.h>
     62 
     63 #include <dev/pci/auviavar.h>
     64 
     65 struct auvia_dma {
     66 	struct auvia_dma *next;
     67 	void *addr;
     68 	size_t size;
     69 	bus_dmamap_t map;
     70 	bus_dma_segment_t seg;
     71 };
     72 
     73 struct auvia_dma_op {
     74 	uint32_t ptr;
     75 	uint32_t flags;
     76 #define AUVIA_DMAOP_EOL		0x80000000
     77 #define AUVIA_DMAOP_FLAG	0x40000000
     78 #define AUVIA_DMAOP_STOP	0x20000000
     79 #define AUVIA_DMAOP_COUNT(x)	((x)&0x00FFFFFF)
     80 };
     81 
     82 static int	auvia_match(device_t, struct cfdata *, void *);
     83 static void	auvia_attach(device_t, device_t, void *);
     84 static int	auvia_detach(device_t, int);
     85 static void	auvia_childdet(device_t, device_t);
     86 static int	auvia_open(void *, int);
     87 static void	auvia_close(void *);
     88 static int	auvia_query_encoding(void *, struct audio_encoding *);
     89 static void	auvia_set_params_sub(struct auvia_softc *,
     90 				     struct auvia_softc_chan *,
     91 				     const audio_params_t *);
     92 static int	auvia_set_params(void *, int, int, audio_params_t *,
     93 				 audio_params_t *, stream_filter_list_t *,
     94 				 stream_filter_list_t *);
     95 static int	auvia_round_blocksize(void *, int, int, const audio_params_t *);
     96 static int	auvia_halt_output(void *);
     97 static int	auvia_halt_input(void *);
     98 static int	auvia_getdev(void *, struct audio_device *);
     99 static int	auvia_set_port(void *, mixer_ctrl_t *);
    100 static int	auvia_get_port(void *, mixer_ctrl_t *);
    101 static int	auvia_query_devinfo(void *, mixer_devinfo_t *);
    102 static void *	auvia_malloc(void *, int, size_t, struct malloc_type *, int);
    103 static void	auvia_free(void *, void *, struct malloc_type *);
    104 static size_t	auvia_round_buffersize(void *, int, size_t);
    105 static paddr_t	auvia_mappage(void *, void *, off_t, int);
    106 static int	auvia_get_props(void *);
    107 static int	auvia_build_dma_ops(struct auvia_softc *,
    108 				    struct auvia_softc_chan *,
    109 				    struct auvia_dma *, void *, void *, int);
    110 static int	auvia_trigger_output(void *, void *, void *, int,
    111 				     void (*)(void *), void *,
    112 				     const audio_params_t *);
    113 static int	auvia_trigger_input(void *, void *, void *, int,
    114 				    void (*)(void *), void *,
    115 				    const audio_params_t *);
    116 static bool	auvia_resume(device_t PMF_FN_PROTO);
    117 static int	auvia_intr(void *);
    118 
    119 static int	auvia_attach_codec(void *, struct ac97_codec_if *);
    120 static int	auvia_write_codec(void *, uint8_t, uint16_t);
    121 static int	auvia_read_codec(void *, uint8_t, uint16_t *);
    122 static int	auvia_reset_codec(void *);
    123 static int	auvia_waitready_codec(struct auvia_softc *);
    124 static int	auvia_waitvalid_codec(struct auvia_softc *);
    125 static void	auvia_spdif_event(void *, bool);
    126 
    127 CFATTACH_DECL2(auvia, sizeof (struct auvia_softc),
    128     auvia_match, auvia_attach, auvia_detach, NULL, NULL, auvia_childdet);
    129 
    130 /* VIA VT823xx revision number */
    131 #define VIA_REV_8233PRE	0x10
    132 #define VIA_REV_8233C	0x20
    133 #define VIA_REV_8233	0x30
    134 #define VIA_REV_8233A	0x40
    135 #define VIA_REV_8235	0x50
    136 #define VIA_REV_8237	0x60
    137 
    138 #define AUVIA_PCICONF_JUNK	0x40
    139 #define		AUVIA_PCICONF_ENABLES	 0x00FF0000	/* reg 42 mask */
    140 #define		AUVIA_PCICONF_ACLINKENAB 0x00008000	/* ac link enab */
    141 #define		AUVIA_PCICONF_ACNOTRST	 0x00004000	/* ~(ac reset) */
    142 #define		AUVIA_PCICONF_ACSYNC	 0x00002000	/* ac sync */
    143 #define		AUVIA_PCICONF_ACVSR	 0x00000800	/* var. samp. rate */
    144 #define		AUVIA_PCICONF_ACSGD	 0x00000400	/* SGD enab */
    145 #define		AUVIA_PCICONF_ACFM	 0x00000200	/* FM enab */
    146 #define		AUVIA_PCICONF_ACSB	 0x00000100	/* SB enab */
    147 #define		AUVIA_PCICONF_PRIVALID	 0x00000001	/* primary codec rdy */
    148 
    149 #define	AUVIA_PLAY_BASE			0x00
    150 #define	AUVIA_RECORD_BASE		0x10
    151 
    152 /* *_RP_* are offsets from AUVIA_PLAY_BASE or AUVIA_RECORD_BASE */
    153 #define	AUVIA_RP_STAT			0x00
    154 #define		AUVIA_RPSTAT_INTR		0x03
    155 #define	AUVIA_RP_CONTROL		0x01
    156 #define		AUVIA_RPCTRL_START		0x80
    157 #define		AUVIA_RPCTRL_TERMINATE		0x40
    158 #define		AUVIA_RPCTRL_AUTOSTART		0x20
    159 /* The following are 8233 specific */
    160 #define		AUVIA_RPCTRL_STOP		0x04
    161 #define		AUVIA_RPCTRL_EOL		0x02
    162 #define		AUVIA_RPCTRL_FLAG		0x01
    163 #define	AUVIA_RP_MODE			0x02		/* 82c686 specific */
    164 #define		AUVIA_RPMODE_INTR_FLAG		0x01
    165 #define		AUVIA_RPMODE_INTR_EOL		0x02
    166 #define		AUVIA_RPMODE_STEREO		0x10
    167 #define		AUVIA_RPMODE_16BIT		0x20
    168 #define		AUVIA_RPMODE_AUTOSTART		0x80
    169 #define	AUVIA_RP_DMAOPS_BASE		0x04
    170 
    171 #define	VIA8233_RP_DXS_LVOL		0x02
    172 #define	VIA8233_RP_DXS_RVOL		0x03
    173 #define	VIA8233_RP_RATEFMT		0x08
    174 #define		VIA8233_RATEFMT_48K		0xfffff
    175 #define		VIA8233_RATEFMT_STEREO		0x00100000
    176 #define		VIA8233_RATEFMT_16BIT		0x00200000
    177 
    178 #define	VIA_RP_DMAOPS_COUNT		0x0c
    179 
    180 #define VIA8233_MP_BASE			0x40
    181 	/* STAT, CONTROL, DMAOPS_BASE, DMAOPS_COUNT are valid */
    182 #define VIA8233_OFF_MP_FORMAT		0x02
    183 #define		VIA8233_MP_FORMAT_8BIT		0x00
    184 #define		VIA8233_MP_FORMAT_16BIT		0x80
    185 #define		VIA8233_MP_FORMAT_CHANNLE_MASK	0x70 /* 1, 2, 4, 6 */
    186 #define VIA8233_OFF_MP_SCRATCH		0x03
    187 #define VIA8233_OFF_MP_STOP		0x08
    188 
    189 #define	AUVIA_CODEC_CTL			0x80
    190 #define		AUVIA_CODEC_READ		0x00800000
    191 #define		AUVIA_CODEC_BUSY		0x01000000
    192 #define		AUVIA_CODEC_PRIVALID		0x02000000
    193 #define		AUVIA_CODEC_INDEX(x)		((x)<<16)
    194 
    195 #define CH_WRITE1(sc, ch, off, v)	\
    196 	bus_space_write_1((sc)->sc_iot,	(sc)->sc_ioh, (ch)->sc_base + (off), v)
    197 #define CH_WRITE4(sc, ch, off, v)	\
    198 	bus_space_write_4((sc)->sc_iot,	(sc)->sc_ioh, (ch)->sc_base + (off), v)
    199 #define CH_READ1(sc, ch, off)		\
    200 	bus_space_read_1((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off))
    201 #define CH_READ4(sc, ch, off)		\
    202 	bus_space_read_4((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off))
    203 
    204 #define TIMEOUT	50
    205 
    206 static const struct audio_hw_if auvia_hw_if = {
    207 	auvia_open,
    208 	auvia_close,
    209 	NULL, /* drain */
    210 	auvia_query_encoding,
    211 	auvia_set_params,
    212 	auvia_round_blocksize,
    213 	NULL, /* commit_settings */
    214 	NULL, /* init_output */
    215 	NULL, /* init_input */
    216 	NULL, /* start_output */
    217 	NULL, /* start_input */
    218 	auvia_halt_output,
    219 	auvia_halt_input,
    220 	NULL, /* speaker_ctl */
    221 	auvia_getdev,
    222 	NULL, /* setfd */
    223 	auvia_set_port,
    224 	auvia_get_port,
    225 	auvia_query_devinfo,
    226 	auvia_malloc,
    227 	auvia_free,
    228 	auvia_round_buffersize,
    229 	auvia_mappage,
    230 	auvia_get_props,
    231 	auvia_trigger_output,
    232 	auvia_trigger_input,
    233 	NULL, /* dev_ioctl */
    234 	NULL, /* powerstate */
    235 };
    236 
    237 #define AUVIA_FORMATS_4CH_16	2
    238 #define AUVIA_FORMATS_6CH_16	3
    239 #define AUVIA_FORMATS_4CH_8	6
    240 #define AUVIA_FORMATS_6CH_8	7
    241 static const struct audio_format auvia_formats[AUVIA_NFORMATS] = {
    242 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    243 	 1, AUFMT_MONAURAL, 0, {8000, 48000}},
    244 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    245 	 2, AUFMT_STEREO, 0, {8000, 48000}},
    246 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    247 	 4, AUFMT_SURROUND4, 0, {8000, 48000}},
    248 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    249 	 6, AUFMT_DOLBY_5_1, 0, {8000, 48000}},
    250 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    251 	 1, AUFMT_MONAURAL, 0, {8000, 48000}},
    252 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    253 	 2, AUFMT_STEREO, 0, {8000, 48000}},
    254 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    255 	 4, AUFMT_SURROUND4, 0, {8000, 48000}},
    256 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 8, 8,
    257 	 6, AUFMT_DOLBY_5_1, 0, {8000, 48000}},
    258 };
    259 
    260 #define	AUVIA_SPDIF_NFORMATS	1
    261 static const struct audio_format auvia_spdif_formats[AUVIA_SPDIF_NFORMATS] = {
    262 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    263 	 2, AUFMT_STEREO, 1, {48000}},
    264 };
    265 
    266 
    267 static int
    268 auvia_match(device_t parent, struct cfdata *match, void *aux)
    269 {
    270 	struct pci_attach_args *pa;
    271 
    272 	pa = (struct pci_attach_args *) aux;
    273 	if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_VIATECH)
    274 		return 0;
    275 	switch (PCI_PRODUCT(pa->pa_id)) {
    276 	case PCI_PRODUCT_VIATECH_VT82C686A_AC97:
    277 	case PCI_PRODUCT_VIATECH_VT8233_AC97:
    278 		break;
    279 	default:
    280 		return 0;
    281 	}
    282 
    283 	return 1;
    284 }
    285 
    286 static void
    287 auvia_childdet(device_t self, device_t child)
    288 {
    289 	/* we hold no child references, so do nothing */
    290 }
    291 
    292 static int
    293 auvia_detach(device_t self, int flags)
    294 {
    295 	int rc;
    296 	struct auvia_softc *sc = device_private(self);
    297 
    298 	if ((rc = config_detach_children(self, flags)) != 0)
    299 		return rc;
    300 
    301 	pmf_device_deregister(self);
    302 
    303 	auconv_delete_encodings(sc->sc_encodings);
    304 	auconv_delete_encodings(sc->sc_spdif_encodings);
    305 
    306 	if (sc->codec_if != NULL)
    307 		sc->codec_if->vtbl->detach(sc->codec_if);
    308 
    309 	/* XXX restore compatibility? */
    310 
    311 	if (sc->sc_ih != NULL)
    312 		pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
    313 
    314 	bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    315 
    316 	return 0;
    317 }
    318 
    319 static void
    320 auvia_attach(device_t parent, device_t self, void *aux)
    321 {
    322 	struct pci_attach_args *pa;
    323 	struct auvia_softc *sc;
    324 	const char *intrstr;
    325 	pci_chipset_tag_t pc;
    326 	pcitag_t pt;
    327 	pci_intr_handle_t ih;
    328 	pcireg_t pr;
    329 	int r;
    330 	const char *revnum;	/* VT823xx revision number */
    331 
    332 	pa = aux;
    333 	sc = device_private(self);
    334 	intrstr = NULL;
    335 	pc = pa->pa_pc;
    336 	pt = pa->pa_tag;
    337 	revnum = NULL;
    338 
    339 	aprint_naive(": Audio controller\n");
    340 
    341 	sc->sc_play.sc_base = AUVIA_PLAY_BASE;
    342 	sc->sc_record.sc_base = AUVIA_RECORD_BASE;
    343 	if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_VIATECH_VT8233_AC97) {
    344 		sc->sc_flags |= AUVIA_FLAGS_VT8233;
    345 		sc->sc_play.sc_base = VIA8233_MP_BASE;
    346 	}
    347 
    348 	if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot,
    349 		&sc->sc_ioh, NULL, &sc->sc_iosize)) {
    350 		aprint_error(": can't map i/o space\n");
    351 		return;
    352 	}
    353 
    354 	sc->sc_dmat = pa->pa_dmat;
    355 	sc->sc_pc = pc;
    356 	sc->sc_pt = pt;
    357 
    358 	r = PCI_REVISION(pa->pa_class);
    359 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
    360 		snprintf(sc->sc_revision, sizeof(sc->sc_revision), "0x%02X", r);
    361 		switch(r) {
    362 		case VIA_REV_8233PRE:
    363 			/* same as 8233, but should not be in the market */
    364 			revnum = "3-Pre";
    365 			break;
    366 		case VIA_REV_8233C:
    367 			/* 2 rec, 4 pb, 1 multi-pb */
    368 			revnum = "3C";
    369 			break;
    370 		case VIA_REV_8233:
    371 			/* 2 rec, 4 pb, 1 multi-pb, spdif */
    372 			revnum = "3";
    373 			break;
    374 		case VIA_REV_8233A:
    375 			/* 1 rec, 1 multi-pb, spdif */
    376 			revnum = "3A";
    377 			break;
    378 		default:
    379 			break;
    380 		}
    381 		if (r >= VIA_REV_8237)
    382 			revnum = "7";
    383 		else if (r >= VIA_REV_8235) /* 2 rec, 4 pb, 1 multi-pb, spdif */
    384 			revnum = "5";
    385 		aprint_normal(": VIA Technologies VT823%s AC'97 Audio "
    386 		    "(rev %s)\n", revnum, sc->sc_revision);
    387 	} else {
    388 		sc->sc_revision[1] = '\0';
    389 		if (r == 0x20) {
    390 			sc->sc_revision[0] = 'H';
    391 		} else if ((r >= 0x10) && (r <= 0x14)) {
    392 			sc->sc_revision[0] = 'A' + (r - 0x10);
    393 		} else {
    394 			snprintf(sc->sc_revision, sizeof(sc->sc_revision),
    395 			    "0x%02X", r);
    396 		}
    397 
    398 		aprint_normal(": VIA Technologies VT82C686A AC'97 Audio "
    399 		    "(rev %s)\n", sc->sc_revision);
    400 	}
    401 
    402 	if (pci_intr_map(pa, &ih)) {
    403 		aprint_error(": couldn't map interrupt\n");
    404 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    405 		return;
    406 	}
    407 	intrstr = pci_intr_string(pc, ih);
    408 
    409 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, auvia_intr, sc);
    410 	if (sc->sc_ih == NULL) {
    411 		aprint_error_dev(&sc->sc_dev, "couldn't establish interrupt");
    412 		if (intrstr != NULL)
    413 			aprint_normal(" at %s", intrstr);
    414 		aprint_normal("\n");
    415 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    416 		return;
    417 	}
    418 
    419 	aprint_normal_dev(&sc->sc_dev, "interrupting at %s\n", intrstr);
    420 
    421 	/* disable SBPro compat & others */
    422 	pr = pci_conf_read(pc, pt, AUVIA_PCICONF_JUNK);
    423 
    424 	pr &= ~AUVIA_PCICONF_ENABLES; /* clear compat function enables */
    425 	/* XXX what to do about MIDI, FM, joystick? */
    426 
    427 	pr |= (AUVIA_PCICONF_ACLINKENAB | AUVIA_PCICONF_ACNOTRST
    428 		| AUVIA_PCICONF_ACVSR | AUVIA_PCICONF_ACSGD);
    429 
    430 	pr &= ~(AUVIA_PCICONF_ACFM | AUVIA_PCICONF_ACSB);
    431 
    432 	pci_conf_write(pc, pt, AUVIA_PCICONF_JUNK, pr);
    433 
    434 	sc->host_if.arg = sc;
    435 	sc->host_if.attach = auvia_attach_codec;
    436 	sc->host_if.read = auvia_read_codec;
    437 	sc->host_if.write = auvia_write_codec;
    438 	sc->host_if.reset = auvia_reset_codec;
    439 	sc->host_if.spdif_event = auvia_spdif_event;
    440 
    441 	if ((r = ac97_attach(&sc->host_if, self)) != 0) {
    442 		aprint_error_dev(&sc->sc_dev, "can't attach codec (error 0x%X)\n", r);
    443 		pci_intr_disestablish(pc, sc->sc_ih);
    444 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    445 		return;
    446 	}
    447 
    448 	/* setup audio_format */
    449 	memcpy(sc->sc_formats, auvia_formats, sizeof(auvia_formats));
    450 	if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_4CH(sc->codec_if)) {
    451 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_4CH_8]);
    452 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_4CH_16]);
    453 	}
    454 	if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_6CH(sc->codec_if)) {
    455 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_6CH_8]);
    456 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_6CH_16]);
    457 	}
    458 	if (AC97_IS_FIXED_RATE(sc->codec_if)) {
    459 		for (r = 0; r < AUVIA_NFORMATS; r++) {
    460 			sc->sc_formats[r].frequency_type = 1;
    461 			sc->sc_formats[r].frequency[0] = 48000;
    462 		}
    463 	}
    464 
    465 	if (0 != auconv_create_encodings(sc->sc_formats, AUVIA_NFORMATS,
    466 					 &sc->sc_encodings)) {
    467 		sc->codec_if->vtbl->detach(sc->codec_if);
    468 		pci_intr_disestablish(pc, sc->sc_ih);
    469 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    470 		return;
    471 	}
    472 	if (0 != auconv_create_encodings(auvia_spdif_formats,
    473 	    AUVIA_SPDIF_NFORMATS, &sc->sc_spdif_encodings)) {
    474 		sc->codec_if->vtbl->detach(sc->codec_if);
    475 		pci_intr_disestablish(pc, sc->sc_ih);
    476 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    477 		return;
    478 	}
    479 
    480 	if (!pmf_device_register(self, NULL, auvia_resume))
    481 		aprint_error_dev(self, "couldn't establish power handler\n");
    482 
    483 	audio_attach_mi(&auvia_hw_if, sc, &sc->sc_dev);
    484 	sc->codec_if->vtbl->unlock(sc->codec_if);
    485 	return;
    486 }
    487 
    488 static int
    489 auvia_attach_codec(void *addr, struct ac97_codec_if *cif)
    490 {
    491 	struct auvia_softc *sc;
    492 
    493 	sc = addr;
    494 	sc->codec_if = cif;
    495 	return 0;
    496 }
    497 
    498 static int
    499 auvia_reset_codec(void *addr)
    500 {
    501 	struct auvia_softc *sc;
    502 	pcireg_t r;
    503 	int i;
    504 
    505 	/* perform a codec cold reset */
    506 	sc = addr;
    507 	r = pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK);
    508 
    509 	r &= ~AUVIA_PCICONF_ACNOTRST;	/* enable RESET (active low) */
    510 	pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
    511 	delay(2);
    512 
    513 	r |= AUVIA_PCICONF_ACNOTRST;	/* disable RESET (inactive high) */
    514 	pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
    515 	delay(200);
    516 
    517 	for (i = 500000; i != 0 && !(pci_conf_read(sc->sc_pc, sc->sc_pt,
    518 		AUVIA_PCICONF_JUNK) & AUVIA_PCICONF_PRIVALID); i--)
    519 		DELAY(1);
    520 	if (i == 0) {
    521 		printf("%s: codec reset timed out\n", device_xname(&sc->sc_dev));
    522 		return ETIMEDOUT;
    523 	}
    524 	return 0;
    525 }
    526 
    527 static int
    528 auvia_waitready_codec(struct auvia_softc *sc)
    529 {
    530 	int i;
    531 
    532 	/* poll until codec not busy */
    533 	for (i = 0; (i < TIMEOUT) && (bus_space_read_4(sc->sc_iot, sc->sc_ioh,
    534 		AUVIA_CODEC_CTL) & AUVIA_CODEC_BUSY); i++)
    535 		delay(1);
    536 	if (i >= TIMEOUT) {
    537 		printf("%s: codec busy\n", device_xname(&sc->sc_dev));
    538 		return 1;
    539 	}
    540 
    541 	return 0;
    542 }
    543 
    544 static int
    545 auvia_waitvalid_codec(struct auvia_softc *sc)
    546 {
    547 	int i;
    548 
    549 	/* poll until codec valid */
    550 	for (i = 0; (i < TIMEOUT) && !(bus_space_read_4(sc->sc_iot, sc->sc_ioh,
    551 		AUVIA_CODEC_CTL) & AUVIA_CODEC_PRIVALID); i++)
    552 			delay(1);
    553 	if (i >= TIMEOUT) {
    554 		printf("%s: codec invalid\n", device_xname(&sc->sc_dev));
    555 		return 1;
    556 	}
    557 
    558 	return 0;
    559 }
    560 
    561 static int
    562 auvia_write_codec(void *addr, u_int8_t reg, u_int16_t val)
    563 {
    564 	struct auvia_softc *sc;
    565 
    566 	sc = addr;
    567 	if (auvia_waitready_codec(sc))
    568 		return 1;
    569 
    570 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
    571 		AUVIA_CODEC_PRIVALID | AUVIA_CODEC_INDEX(reg) | val);
    572 
    573 	return 0;
    574 }
    575 
    576 static int
    577 auvia_read_codec(void *addr, u_int8_t reg, u_int16_t *val)
    578 {
    579 	struct auvia_softc *sc;
    580 
    581 	sc = addr;
    582 	if (auvia_waitready_codec(sc))
    583 		return 1;
    584 
    585 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
    586 		AUVIA_CODEC_PRIVALID | AUVIA_CODEC_READ | AUVIA_CODEC_INDEX(reg));
    587 
    588 	if (auvia_waitready_codec(sc))
    589 		return 1;
    590 
    591 	if (auvia_waitvalid_codec(sc))
    592 		return 1;
    593 
    594 	*val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL);
    595 
    596 	return 0;
    597 }
    598 
    599 static void
    600 auvia_spdif_event(void *addr, bool flag)
    601 {
    602 	struct auvia_softc *sc;
    603 
    604 	sc = addr;
    605 	sc->sc_spdif = flag;
    606 }
    607 
    608 static int
    609 auvia_open(void *addr, int flags)
    610 {
    611 	struct auvia_softc *sc;
    612 
    613 	sc = (struct auvia_softc *)addr;
    614 	sc->codec_if->vtbl->lock(sc->codec_if);
    615 	return 0;
    616 }
    617 
    618 static void
    619 auvia_close(void *addr)
    620 {
    621 	struct auvia_softc *sc;
    622 
    623 	sc = (struct auvia_softc *)addr;
    624 	sc->codec_if->vtbl->unlock(sc->codec_if);
    625 }
    626 
    627 static int
    628 auvia_query_encoding(void *addr, struct audio_encoding *fp)
    629 {
    630 	struct auvia_softc *sc;
    631 
    632 	sc = (struct auvia_softc *)addr;
    633 	return auconv_query_encoding(
    634 	    sc->sc_spdif ? sc->sc_spdif_encodings : sc->sc_encodings, fp);
    635 }
    636 
    637 static void
    638 auvia_set_params_sub(struct auvia_softc *sc, struct auvia_softc_chan *ch,
    639 		     const audio_params_t *p)
    640 {
    641 	uint32_t v;
    642 	uint16_t regval;
    643 
    644 	if (!(sc->sc_flags & AUVIA_FLAGS_VT8233)) {
    645 		regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0)
    646 			| (p->precision  == 16 ?
    647 				AUVIA_RPMODE_16BIT : 0)
    648 			| AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL
    649 			| AUVIA_RPMODE_AUTOSTART;
    650 		ch->sc_reg = regval;
    651 	} else if (ch->sc_base != VIA8233_MP_BASE) {
    652 		v = CH_READ4(sc, ch, VIA8233_RP_RATEFMT);
    653 		v &= ~(VIA8233_RATEFMT_48K | VIA8233_RATEFMT_STEREO
    654 			| VIA8233_RATEFMT_16BIT);
    655 
    656 		v |= VIA8233_RATEFMT_48K * (p->sample_rate / 20)
    657 			/ (48000 / 20);
    658 		if (p->channels == 2)
    659 			v |= VIA8233_RATEFMT_STEREO;
    660 		if (p->precision == 16)
    661 			v |= VIA8233_RATEFMT_16BIT;
    662 
    663 		CH_WRITE4(sc, ch, VIA8233_RP_RATEFMT, v);
    664 	} else {
    665 		static const u_int32_t slottab[7] =
    666 			{ 0, 0xff000011, 0xff000021, 0,
    667 			  0xff004321, 0, 0xff436521};
    668 
    669 		regval = (p->precision == 16
    670 			? VIA8233_MP_FORMAT_16BIT : VIA8233_MP_FORMAT_8BIT)
    671 			| (p->channels << 4);
    672 		CH_WRITE1(sc, ch, VIA8233_OFF_MP_FORMAT, regval);
    673 		CH_WRITE4(sc, ch, VIA8233_OFF_MP_STOP, slottab[p->channels]);
    674 	}
    675 }
    676 
    677 static int
    678 auvia_set_params(void *addr, int setmode, int usemode,
    679     audio_params_t *play, audio_params_t *rec, stream_filter_list_t *pfil,
    680     stream_filter_list_t *rfil)
    681 {
    682 	struct auvia_softc *sc;
    683 	struct auvia_softc_chan *ch;
    684 	struct audio_params *p;
    685 	struct ac97_codec_if* codec;
    686 	stream_filter_list_t *fil;
    687 	int reg, mode;
    688 	int index;
    689 
    690 	sc = addr;
    691 	codec = sc->codec_if;
    692 	/* for mode in (RECORD, PLAY) */
    693 	for (mode = AUMODE_RECORD; mode != -1;
    694 	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
    695 		if ((setmode & mode) == 0)
    696 			continue;
    697 
    698 		if (mode == AUMODE_PLAY ) {
    699 			p = play;
    700 			ch = &sc->sc_play;
    701 			reg = AC97_REG_PCM_FRONT_DAC_RATE;
    702 			fil = pfil;
    703 		} else {
    704 			p = rec;
    705 			ch = &sc->sc_record;
    706 			reg = AC97_REG_PCM_LR_ADC_RATE;
    707 			fil = rfil;
    708 		}
    709 
    710 		if (p->sample_rate < 4000 || p->sample_rate > 48000 ||
    711 		    (p->precision != 8 && p->precision != 16))
    712 			return (EINVAL);
    713 		if (sc->sc_spdif)
    714 			index = auconv_set_converter(auvia_spdif_formats,
    715 			    AUVIA_SPDIF_NFORMATS, mode, p, TRUE, fil);
    716 		else
    717 			index = auconv_set_converter(sc->sc_formats,
    718 			    AUVIA_NFORMATS, mode, p, TRUE, fil);
    719 		if (index < 0)
    720 			return EINVAL;
    721 		if (fil->req_size > 0)
    722 			p = &fil->filters[0].param;
    723 		if (!AC97_IS_FIXED_RATE(codec)) {
    724 			if (codec->vtbl->set_rate(codec, reg, &p->sample_rate))
    725 				return EINVAL;
    726 			reg = AC97_REG_PCM_SURR_DAC_RATE;
    727 			if (p->channels >= 4
    728 			    && codec->vtbl->set_rate(codec, reg,
    729 						     &p->sample_rate))
    730 				return EINVAL;
    731 			reg = AC97_REG_PCM_LFE_DAC_RATE;
    732 			if (p->channels == 6
    733 			    && codec->vtbl->set_rate(codec, reg,
    734 						     &p->sample_rate))
    735 				return EINVAL;
    736 		}
    737 		auvia_set_params_sub(sc, ch, p);
    738 	}
    739 
    740 	return 0;
    741 }
    742 
    743 static int
    744 auvia_round_blocksize(void *addr, int blk,
    745     int mode, const audio_params_t *param)
    746 {
    747 	struct auvia_softc *sc;
    748 
    749 	sc = addr;
    750 	/* XXX VT823x might have the limitation of dma_ops size */
    751 	if (sc->sc_flags & AUVIA_FLAGS_VT8233 && blk < 288)
    752 		blk = 288;
    753 
    754 	return (blk & -32);
    755 }
    756 
    757 static int
    758 auvia_halt_output(void *addr)
    759 {
    760 	struct auvia_softc *sc;
    761 	struct auvia_softc_chan *ch;
    762 
    763 	sc = addr;
    764 	ch = &(sc->sc_play);
    765 	CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
    766 	ch->sc_intr = NULL;
    767 	return 0;
    768 }
    769 
    770 static int
    771 auvia_halt_input(void *addr)
    772 {
    773 	struct auvia_softc *sc;
    774 	struct auvia_softc_chan *ch;
    775 
    776 	sc = addr;
    777 	ch = &(sc->sc_record);
    778 	CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
    779 	ch->sc_intr = NULL;
    780 	return 0;
    781 }
    782 
    783 static int
    784 auvia_getdev(void *addr, struct audio_device *retp)
    785 {
    786 	struct auvia_softc *sc;
    787 
    788 	if (retp) {
    789 		sc = addr;
    790 		if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
    791 			strncpy(retp->name, "VIA VT823x",
    792 				sizeof(retp->name));
    793 		} else {
    794 			strncpy(retp->name, "VIA VT82C686A",
    795 				sizeof(retp->name));
    796 		}
    797 		strncpy(retp->version, sc->sc_revision, sizeof(retp->version));
    798 		strncpy(retp->config, "auvia", sizeof(retp->config));
    799 	}
    800 
    801 	return 0;
    802 }
    803 
    804 static int
    805 auvia_set_port(void *addr, mixer_ctrl_t *cp)
    806 {
    807 	struct auvia_softc *sc;
    808 
    809 	sc = addr;
    810 	return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
    811 }
    812 
    813 static int
    814 auvia_get_port(void *addr, mixer_ctrl_t *cp)
    815 {
    816 	struct auvia_softc *sc;
    817 
    818 	sc = addr;
    819 	return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp);
    820 }
    821 
    822 static int
    823 auvia_query_devinfo(void *addr, mixer_devinfo_t *dip)
    824 {
    825 	struct auvia_softc *sc;
    826 
    827 	sc = addr;
    828 	return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip);
    829 }
    830 
    831 static void *
    832 auvia_malloc(void *addr, int direction, size_t size,
    833     struct malloc_type * pool, int flags)
    834 {
    835 	struct auvia_softc *sc;
    836 	struct auvia_dma *p;
    837 	int error;
    838 	int rseg;
    839 
    840 	p = malloc(sizeof(*p), pool, flags);
    841 	if (!p)
    842 		return 0;
    843 	sc = addr;
    844 	p->size = size;
    845 	if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg,
    846 				      1, &rseg, BUS_DMA_NOWAIT)) != 0) {
    847 		aprint_error_dev(&sc->sc_dev, "unable to allocate DMA, error = %d\n", error);
    848 		goto fail_alloc;
    849 	}
    850 
    851 	if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr,
    852 				    BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) {
    853 		aprint_error_dev(&sc->sc_dev, "unable to map DMA, error = %d\n",
    854 		       error);
    855 		goto fail_map;
    856 	}
    857 
    858 	if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0,
    859 				       BUS_DMA_NOWAIT, &p->map)) != 0) {
    860 		aprint_error_dev(&sc->sc_dev, "unable to create DMA map, error = %d\n",
    861 		       error);
    862 		goto fail_create;
    863 	}
    864 
    865 	if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL,
    866 				     BUS_DMA_NOWAIT)) != 0) {
    867 		aprint_error_dev(&sc->sc_dev, "unable to load DMA map, error = %d\n",
    868 		       error);
    869 		goto fail_load;
    870 	}
    871 
    872 	p->next = sc->sc_dmas;
    873 	sc->sc_dmas = p;
    874 
    875 	return p->addr;
    876 
    877 
    878 fail_load:
    879 	bus_dmamap_destroy(sc->sc_dmat, p->map);
    880 fail_create:
    881 	bus_dmamem_unmap(sc->sc_dmat, p->addr, size);
    882 fail_map:
    883 	bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
    884 fail_alloc:
    885 	free(p, pool);
    886 	return NULL;
    887 }
    888 
    889 static void
    890 auvia_free(void *addr, void *ptr, struct malloc_type *pool)
    891 {
    892 	struct auvia_softc *sc;
    893 	struct auvia_dma **pp, *p;
    894 
    895 	sc = addr;
    896 	for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next)
    897 		if (p->addr == ptr) {
    898 			bus_dmamap_unload(sc->sc_dmat, p->map);
    899 			bus_dmamap_destroy(sc->sc_dmat, p->map);
    900 			bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
    901 			bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
    902 
    903 			*pp = p->next;
    904 			free(p, pool);
    905 			return;
    906 		}
    907 
    908 	panic("auvia_free: trying to free unallocated memory");
    909 }
    910 
    911 static size_t
    912 auvia_round_buffersize(void *addr, int direction, size_t size)
    913 {
    914 
    915 	return size;
    916 }
    917 
    918 static paddr_t
    919 auvia_mappage(void *addr, void *mem, off_t off, int prot)
    920 {
    921 	struct auvia_softc *sc;
    922 	struct auvia_dma *p;
    923 
    924 	if (off < 0)
    925 		return -1;
    926 	sc = addr;
    927 	for (p = sc->sc_dmas; p && p->addr != mem; p = p->next)
    928 		continue;
    929 
    930 	if (!p)
    931 		return -1;
    932 
    933 	return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot,
    934 	    BUS_DMA_WAITOK);
    935 }
    936 
    937 static int
    938 auvia_get_props(void *addr)
    939 {
    940 	struct auvia_softc *sc;
    941 	int props;
    942 
    943 	props = AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
    944 	sc = addr;
    945 	/*
    946 	 * Even if the codec is fixed-rate, set_param() succeeds for any sample
    947 	 * rate because of aurateconv.  Applications can't know what rate the
    948 	 * device can process in the case of mmap().
    949 	 */
    950 	if (!AC97_IS_FIXED_RATE(sc->codec_if))
    951 		props |= AUDIO_PROP_MMAP;
    952 	return props;
    953 }
    954 
    955 static int
    956 auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch,
    957 	struct auvia_dma *p, void *start, void *end, int blksize)
    958 {
    959 	struct auvia_dma_op *op;
    960 	struct auvia_dma *dp;
    961 	bus_addr_t s;
    962 	size_t l;
    963 	int segs;
    964 
    965 	s = p->map->dm_segs[0].ds_addr;
    966 	l = ((char *)end - (char *)start);
    967 	segs = (l + blksize - 1) / blksize;
    968 
    969 	if (segs > (ch->sc_dma_op_count)) {
    970 		/* if old list was too small, free it */
    971 		if (ch->sc_dma_ops) {
    972 			auvia_free(sc, ch->sc_dma_ops, M_DEVBUF);
    973 		}
    974 
    975 		ch->sc_dma_ops = auvia_malloc(sc, 0,
    976 			sizeof(struct auvia_dma_op) * segs, M_DEVBUF, M_WAITOK);
    977 
    978 		if (ch->sc_dma_ops == NULL) {
    979 			aprint_error_dev(&sc->sc_dev, "couldn't build dmaops\n");
    980 			return 1;
    981 		}
    982 
    983 		for (dp = sc->sc_dmas;
    984 		     dp && dp->addr != (void *)(ch->sc_dma_ops);
    985 		     dp = dp->next)
    986 			continue;
    987 
    988 		if (!dp)
    989 			panic("%s: build_dma_ops: where'd my memory go??? "
    990 				"address (%p)\n", device_xname(&sc->sc_dev),
    991 				ch->sc_dma_ops);
    992 
    993 		ch->sc_dma_op_count = segs;
    994 		ch->sc_dma_ops_dma = dp;
    995 	}
    996 
    997 	dp = ch->sc_dma_ops_dma;
    998 	op = ch->sc_dma_ops;
    999 
   1000 	while (l) {
   1001 		op->ptr = htole32(s);
   1002 		l = l - blksize;
   1003 		if (!l) {
   1004 			/* if last block */
   1005 			op->flags = htole32(AUVIA_DMAOP_EOL | blksize);
   1006 		} else {
   1007 			op->flags = htole32(AUVIA_DMAOP_FLAG | blksize);
   1008 		}
   1009 		s += blksize;
   1010 		op++;
   1011 	}
   1012 
   1013 	return 0;
   1014 }
   1015 
   1016 
   1017 static int
   1018 auvia_trigger_output(void *addr, void *start, void *end, int blksize,
   1019     void (*intr)(void *), void *arg, const audio_params_t *param)
   1020 {
   1021 	struct auvia_softc *sc;
   1022 	struct auvia_softc_chan *ch;
   1023 	struct auvia_dma *p;
   1024 
   1025 	sc = addr;
   1026 	ch = &(sc->sc_play);
   1027 	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
   1028 		continue;
   1029 
   1030 	if (!p)
   1031 		panic("auvia_trigger_output: request with bad start "
   1032 			"address (%p)", start);
   1033 
   1034 	if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
   1035 		return 1;
   1036 	}
   1037 
   1038 	ch->sc_intr = intr;
   1039 	ch->sc_arg = arg;
   1040 
   1041 	CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
   1042 		ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
   1043 
   1044 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
   1045 		if (ch->sc_base != VIA8233_MP_BASE) {
   1046 			CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
   1047 			CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
   1048 		}
   1049 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
   1050 			AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
   1051 			AUVIA_RPCTRL_STOP  | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
   1052 	} else {
   1053 		CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
   1054 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
   1055 	}
   1056 
   1057 	return 0;
   1058 }
   1059 
   1060 static int
   1061 auvia_trigger_input(void *addr, void *start, void *end, int blksize,
   1062     void (*intr)(void *), void *arg, const audio_params_t *param)
   1063 {
   1064 	struct auvia_softc *sc;
   1065 	struct auvia_softc_chan *ch;
   1066 	struct auvia_dma *p;
   1067 
   1068 	sc = addr;
   1069 	ch = &(sc->sc_record);
   1070 	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
   1071 		continue;
   1072 
   1073 	if (!p)
   1074 		panic("auvia_trigger_input: request with bad start "
   1075 			"address (%p)", start);
   1076 
   1077 	if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
   1078 		return 1;
   1079 	}
   1080 
   1081 	ch->sc_intr = intr;
   1082 	ch->sc_arg = arg;
   1083 
   1084 	CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
   1085 		  ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
   1086 
   1087 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
   1088 		CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
   1089 		CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
   1090 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
   1091 			AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
   1092 			AUVIA_RPCTRL_STOP  | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
   1093 	} else {
   1094 		CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
   1095 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
   1096 	}
   1097 
   1098 	return 0;
   1099 }
   1100 
   1101 static int
   1102 auvia_intr(void *arg)
   1103 {
   1104 	struct auvia_softc *sc;
   1105 	struct auvia_softc_chan *ch;
   1106 	u_int8_t r;
   1107 	int rval;
   1108 
   1109 	sc = arg;
   1110 	rval = 0;
   1111 
   1112 	ch = &sc->sc_record;
   1113 	r = CH_READ1(sc, ch, AUVIA_RP_STAT);
   1114 	if (r & AUVIA_RPSTAT_INTR) {
   1115 		if (sc->sc_record.sc_intr)
   1116 			sc->sc_record.sc_intr(sc->sc_record.sc_arg);
   1117 
   1118 		/* clear interrupts */
   1119 		CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
   1120 		rval = 1;
   1121 	}
   1122 
   1123 	ch = &sc->sc_play;
   1124 	r = CH_READ1(sc, ch, AUVIA_RP_STAT);
   1125 	if (r & AUVIA_RPSTAT_INTR) {
   1126 		if (sc->sc_play.sc_intr)
   1127 			sc->sc_play.sc_intr(sc->sc_play.sc_arg);
   1128 
   1129 		/* clear interrupts */
   1130 		CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
   1131 		rval = 1;
   1132 	}
   1133 
   1134 	return rval;
   1135 }
   1136 
   1137 static bool
   1138 auvia_resume(device_t dv PMF_FN_ARGS)
   1139 {
   1140 	struct auvia_softc *sc = device_private(dv);
   1141 
   1142 	auvia_reset_codec(sc);
   1143 	DELAY(1000);
   1144 	(sc->codec_if->vtbl->restore_ports)(sc->codec_if);
   1145 
   1146 	return true;
   1147 }
   1148