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auvia.c revision 1.68
      1 /*	$NetBSD: auvia.c,v 1.68 2009/05/05 21:50:15 cegger 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 1.68 2009/05/05 21:50:15 cegger 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, cfdata_t, 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 VIA8233_WR_BASE			0x60
    190 
    191 #define	AUVIA_CODEC_CTL			0x80
    192 #define		AUVIA_CODEC_READ		0x00800000
    193 #define		AUVIA_CODEC_BUSY		0x01000000
    194 #define		AUVIA_CODEC_PRIVALID		0x02000000
    195 #define		AUVIA_CODEC_INDEX(x)		((x)<<16)
    196 
    197 #define CH_WRITE1(sc, ch, off, v)	\
    198 	bus_space_write_1((sc)->sc_iot,	(sc)->sc_ioh, (ch)->sc_base + (off), v)
    199 #define CH_WRITE4(sc, ch, off, v)	\
    200 	bus_space_write_4((sc)->sc_iot,	(sc)->sc_ioh, (ch)->sc_base + (off), v)
    201 #define CH_READ1(sc, ch, off)		\
    202 	bus_space_read_1((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off))
    203 #define CH_READ4(sc, ch, off)		\
    204 	bus_space_read_4((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off))
    205 
    206 #define TIMEOUT	50
    207 
    208 static const struct audio_hw_if auvia_hw_if = {
    209 	auvia_open,
    210 	auvia_close,
    211 	NULL, /* drain */
    212 	auvia_query_encoding,
    213 	auvia_set_params,
    214 	auvia_round_blocksize,
    215 	NULL, /* commit_settings */
    216 	NULL, /* init_output */
    217 	NULL, /* init_input */
    218 	NULL, /* start_output */
    219 	NULL, /* start_input */
    220 	auvia_halt_output,
    221 	auvia_halt_input,
    222 	NULL, /* speaker_ctl */
    223 	auvia_getdev,
    224 	NULL, /* setfd */
    225 	auvia_set_port,
    226 	auvia_get_port,
    227 	auvia_query_devinfo,
    228 	auvia_malloc,
    229 	auvia_free,
    230 	auvia_round_buffersize,
    231 	auvia_mappage,
    232 	auvia_get_props,
    233 	auvia_trigger_output,
    234 	auvia_trigger_input,
    235 	NULL, /* dev_ioctl */
    236 	NULL, /* powerstate */
    237 };
    238 
    239 #define AUVIA_FORMATS_4CH_16	2
    240 #define AUVIA_FORMATS_6CH_16	3
    241 #define AUVIA_FORMATS_4CH_8	6
    242 #define AUVIA_FORMATS_6CH_8	7
    243 static const struct audio_format auvia_formats[AUVIA_NFORMATS] = {
    244 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    245 	 1, AUFMT_MONAURAL, 0, {8000, 48000}},
    246 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    247 	 2, AUFMT_STEREO, 0, {8000, 48000}},
    248 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    249 	 4, AUFMT_SURROUND4, 0, {8000, 48000}},
    250 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    251 	 6, AUFMT_DOLBY_5_1, 0, {8000, 48000}},
    252 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    253 	 1, AUFMT_MONAURAL, 0, {8000, 48000}},
    254 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    255 	 2, AUFMT_STEREO, 0, {8000, 48000}},
    256 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    257 	 4, AUFMT_SURROUND4, 0, {8000, 48000}},
    258 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 8, 8,
    259 	 6, AUFMT_DOLBY_5_1, 0, {8000, 48000}},
    260 };
    261 
    262 #define	AUVIA_SPDIF_NFORMATS	1
    263 static const struct audio_format auvia_spdif_formats[AUVIA_SPDIF_NFORMATS] = {
    264 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    265 	 2, AUFMT_STEREO, 1, {48000}},
    266 };
    267 
    268 
    269 static int
    270 auvia_match(device_t parent, cfdata_t match, void *aux)
    271 {
    272 	struct pci_attach_args *pa;
    273 
    274 	pa = (struct pci_attach_args *) aux;
    275 	if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_VIATECH)
    276 		return 0;
    277 	switch (PCI_PRODUCT(pa->pa_id)) {
    278 	case PCI_PRODUCT_VIATECH_VT82C686A_AC97:
    279 	case PCI_PRODUCT_VIATECH_VT8233_AC97:
    280 		break;
    281 	default:
    282 		return 0;
    283 	}
    284 
    285 	return 1;
    286 }
    287 
    288 static void
    289 auvia_childdet(device_t self, device_t child)
    290 {
    291 	/* we hold no child references, so do nothing */
    292 }
    293 
    294 static int
    295 auvia_detach(device_t self, int flags)
    296 {
    297 	int rc;
    298 	struct auvia_softc *sc = device_private(self);
    299 
    300 	if ((rc = config_detach_children(self, flags)) != 0)
    301 		return rc;
    302 
    303 	pmf_device_deregister(self);
    304 
    305 	auconv_delete_encodings(sc->sc_encodings);
    306 	auconv_delete_encodings(sc->sc_spdif_encodings);
    307 
    308 	if (sc->codec_if != NULL)
    309 		sc->codec_if->vtbl->detach(sc->codec_if);
    310 
    311 	/* XXX restore compatibility? */
    312 
    313 	if (sc->sc_ih != NULL)
    314 		pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
    315 
    316 	bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    317 
    318 	return 0;
    319 }
    320 
    321 static void
    322 auvia_attach(device_t parent, device_t self, void *aux)
    323 {
    324 	struct pci_attach_args *pa;
    325 	struct auvia_softc *sc;
    326 	const char *intrstr;
    327 	pci_chipset_tag_t pc;
    328 	pcitag_t pt;
    329 	pci_intr_handle_t ih;
    330 	pcireg_t pr;
    331 	int r;
    332 	const char *revnum;	/* VT823xx revision number */
    333 
    334 	pa = aux;
    335 	sc = device_private(self);
    336 	intrstr = NULL;
    337 	pc = pa->pa_pc;
    338 	pt = pa->pa_tag;
    339 	revnum = NULL;
    340 
    341 	aprint_naive(": Audio controller\n");
    342 
    343 	sc->sc_play.sc_base = AUVIA_PLAY_BASE;
    344 	sc->sc_record.sc_base = AUVIA_RECORD_BASE;
    345 	if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_VIATECH_VT8233_AC97) {
    346 		sc->sc_flags |= AUVIA_FLAGS_VT8233;
    347 		sc->sc_play.sc_base = VIA8233_MP_BASE;
    348 		sc->sc_record.sc_base = VIA8233_WR_BASE;
    349 	}
    350 
    351 	if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot,
    352 		&sc->sc_ioh, NULL, &sc->sc_iosize)) {
    353 		aprint_error(": can't map i/o space\n");
    354 		return;
    355 	}
    356 
    357 	sc->sc_dmat = pa->pa_dmat;
    358 	sc->sc_pc = pc;
    359 	sc->sc_pt = pt;
    360 
    361 	r = PCI_REVISION(pa->pa_class);
    362 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
    363 		snprintf(sc->sc_revision, sizeof(sc->sc_revision), "0x%02X", r);
    364 		switch(r) {
    365 		case VIA_REV_8233PRE:
    366 			/* same as 8233, but should not be in the market */
    367 			revnum = "3-Pre";
    368 			break;
    369 		case VIA_REV_8233C:
    370 			/* 2 rec, 4 pb, 1 multi-pb */
    371 			revnum = "3C";
    372 			break;
    373 		case VIA_REV_8233:
    374 			/* 2 rec, 4 pb, 1 multi-pb, spdif */
    375 			revnum = "3";
    376 			break;
    377 		case VIA_REV_8233A:
    378 			/* 1 rec, 1 multi-pb, spdif */
    379 			revnum = "3A";
    380 			break;
    381 		default:
    382 			break;
    383 		}
    384 		if (r >= VIA_REV_8237)
    385 			revnum = "7";
    386 		else if (r >= VIA_REV_8235) /* 2 rec, 4 pb, 1 multi-pb, spdif */
    387 			revnum = "5";
    388 		aprint_normal(": VIA Technologies VT823%s AC'97 Audio "
    389 		    "(rev %s)\n", revnum, sc->sc_revision);
    390 	} else {
    391 		sc->sc_revision[1] = '\0';
    392 		if (r == 0x20) {
    393 			sc->sc_revision[0] = 'H';
    394 		} else if ((r >= 0x10) && (r <= 0x14)) {
    395 			sc->sc_revision[0] = 'A' + (r - 0x10);
    396 		} else {
    397 			snprintf(sc->sc_revision, sizeof(sc->sc_revision),
    398 			    "0x%02X", r);
    399 		}
    400 
    401 		aprint_normal(": VIA Technologies VT82C686A AC'97 Audio "
    402 		    "(rev %s)\n", sc->sc_revision);
    403 	}
    404 
    405 	if (pci_intr_map(pa, &ih)) {
    406 		aprint_error(": couldn't map interrupt\n");
    407 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    408 		return;
    409 	}
    410 	intrstr = pci_intr_string(pc, ih);
    411 
    412 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, auvia_intr, sc);
    413 	if (sc->sc_ih == NULL) {
    414 		aprint_error_dev(&sc->sc_dev, "couldn't establish interrupt");
    415 		if (intrstr != NULL)
    416 			aprint_normal(" at %s", intrstr);
    417 		aprint_normal("\n");
    418 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    419 		return;
    420 	}
    421 
    422 	aprint_normal_dev(&sc->sc_dev, "interrupting at %s\n", intrstr);
    423 
    424 	/* disable SBPro compat & others */
    425 	pr = pci_conf_read(pc, pt, AUVIA_PCICONF_JUNK);
    426 
    427 	pr &= ~AUVIA_PCICONF_ENABLES; /* clear compat function enables */
    428 	/* XXX what to do about MIDI, FM, joystick? */
    429 
    430 	pr |= (AUVIA_PCICONF_ACLINKENAB | AUVIA_PCICONF_ACNOTRST
    431 		| AUVIA_PCICONF_ACVSR | AUVIA_PCICONF_ACSGD);
    432 
    433 	pr &= ~(AUVIA_PCICONF_ACFM | AUVIA_PCICONF_ACSB);
    434 
    435 	pci_conf_write(pc, pt, AUVIA_PCICONF_JUNK, pr);
    436 
    437 	sc->host_if.arg = sc;
    438 	sc->host_if.attach = auvia_attach_codec;
    439 	sc->host_if.read = auvia_read_codec;
    440 	sc->host_if.write = auvia_write_codec;
    441 	sc->host_if.reset = auvia_reset_codec;
    442 	sc->host_if.spdif_event = auvia_spdif_event;
    443 
    444 	if ((r = ac97_attach(&sc->host_if, self)) != 0) {
    445 		aprint_error_dev(&sc->sc_dev, "can't attach codec (error 0x%X)\n", r);
    446 		pci_intr_disestablish(pc, sc->sc_ih);
    447 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    448 		return;
    449 	}
    450 
    451 	/* setup audio_format */
    452 	memcpy(sc->sc_formats, auvia_formats, sizeof(auvia_formats));
    453 	if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_4CH(sc->codec_if)) {
    454 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_4CH_8]);
    455 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_4CH_16]);
    456 	}
    457 	if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_6CH(sc->codec_if)) {
    458 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_6CH_8]);
    459 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_6CH_16]);
    460 	}
    461 	if (AC97_IS_FIXED_RATE(sc->codec_if)) {
    462 		for (r = 0; r < AUVIA_NFORMATS; r++) {
    463 			sc->sc_formats[r].frequency_type = 1;
    464 			sc->sc_formats[r].frequency[0] = 48000;
    465 		}
    466 	}
    467 
    468 	if (0 != auconv_create_encodings(sc->sc_formats, AUVIA_NFORMATS,
    469 					 &sc->sc_encodings)) {
    470 		sc->codec_if->vtbl->detach(sc->codec_if);
    471 		pci_intr_disestablish(pc, sc->sc_ih);
    472 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    473 		aprint_error_dev(&sc->sc_dev, "can't create encodings\n");
    474 		return;
    475 	}
    476 	if (0 != auconv_create_encodings(auvia_spdif_formats,
    477 	    AUVIA_SPDIF_NFORMATS, &sc->sc_spdif_encodings)) {
    478 		sc->codec_if->vtbl->detach(sc->codec_if);
    479 		pci_intr_disestablish(pc, sc->sc_ih);
    480 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    481 		aprint_error_dev(&sc->sc_dev, "can't create spdif encodings\n");
    482 		return;
    483 	}
    484 
    485 	if (!pmf_device_register(self, NULL, auvia_resume))
    486 		aprint_error_dev(self, "couldn't establish power handler\n");
    487 
    488 	audio_attach_mi(&auvia_hw_if, sc, &sc->sc_dev);
    489 	sc->codec_if->vtbl->unlock(sc->codec_if);
    490 	return;
    491 }
    492 
    493 static int
    494 auvia_attach_codec(void *addr, struct ac97_codec_if *cif)
    495 {
    496 	struct auvia_softc *sc;
    497 
    498 	sc = addr;
    499 	sc->codec_if = cif;
    500 	return 0;
    501 }
    502 
    503 static int
    504 auvia_reset_codec(void *addr)
    505 {
    506 	struct auvia_softc *sc;
    507 	pcireg_t r;
    508 	int i;
    509 
    510 	/* perform a codec cold reset */
    511 	sc = addr;
    512 	r = pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK);
    513 
    514 	r &= ~AUVIA_PCICONF_ACNOTRST;	/* enable RESET (active low) */
    515 	pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
    516 	delay(2);
    517 
    518 	r |= AUVIA_PCICONF_ACNOTRST;	/* disable RESET (inactive high) */
    519 	pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
    520 	delay(200);
    521 
    522 	for (i = 500000; i != 0 && !(pci_conf_read(sc->sc_pc, sc->sc_pt,
    523 		AUVIA_PCICONF_JUNK) & AUVIA_PCICONF_PRIVALID); i--)
    524 		DELAY(1);
    525 	if (i == 0) {
    526 		printf("%s: codec reset timed out\n", device_xname(&sc->sc_dev));
    527 		return ETIMEDOUT;
    528 	}
    529 	return 0;
    530 }
    531 
    532 static int
    533 auvia_waitready_codec(struct auvia_softc *sc)
    534 {
    535 	int i;
    536 
    537 	/* poll until codec not busy */
    538 	for (i = 0; (i < TIMEOUT) && (bus_space_read_4(sc->sc_iot, sc->sc_ioh,
    539 		AUVIA_CODEC_CTL) & AUVIA_CODEC_BUSY); i++)
    540 		delay(1);
    541 	if (i >= TIMEOUT) {
    542 		printf("%s: codec busy\n", device_xname(&sc->sc_dev));
    543 		return 1;
    544 	}
    545 
    546 	return 0;
    547 }
    548 
    549 static int
    550 auvia_waitvalid_codec(struct auvia_softc *sc)
    551 {
    552 	int i;
    553 
    554 	/* poll until codec valid */
    555 	for (i = 0; (i < TIMEOUT) && !(bus_space_read_4(sc->sc_iot, sc->sc_ioh,
    556 		AUVIA_CODEC_CTL) & AUVIA_CODEC_PRIVALID); i++)
    557 			delay(1);
    558 	if (i >= TIMEOUT) {
    559 		printf("%s: codec invalid\n", device_xname(&sc->sc_dev));
    560 		return 1;
    561 	}
    562 
    563 	return 0;
    564 }
    565 
    566 static int
    567 auvia_write_codec(void *addr, u_int8_t reg, u_int16_t val)
    568 {
    569 	struct auvia_softc *sc;
    570 
    571 	sc = addr;
    572 	if (auvia_waitready_codec(sc))
    573 		return 1;
    574 
    575 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
    576 		AUVIA_CODEC_PRIVALID | AUVIA_CODEC_INDEX(reg) | val);
    577 
    578 	return 0;
    579 }
    580 
    581 static int
    582 auvia_read_codec(void *addr, u_int8_t reg, u_int16_t *val)
    583 {
    584 	struct auvia_softc *sc;
    585 
    586 	sc = addr;
    587 	if (auvia_waitready_codec(sc))
    588 		return 1;
    589 
    590 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
    591 		AUVIA_CODEC_PRIVALID | AUVIA_CODEC_READ | AUVIA_CODEC_INDEX(reg));
    592 
    593 	if (auvia_waitready_codec(sc))
    594 		return 1;
    595 
    596 	if (auvia_waitvalid_codec(sc))
    597 		return 1;
    598 
    599 	*val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL);
    600 
    601 	return 0;
    602 }
    603 
    604 static void
    605 auvia_spdif_event(void *addr, bool flag)
    606 {
    607 	struct auvia_softc *sc;
    608 
    609 	sc = addr;
    610 	sc->sc_spdif = flag;
    611 }
    612 
    613 static int
    614 auvia_open(void *addr, int flags)
    615 {
    616 	struct auvia_softc *sc;
    617 
    618 	sc = (struct auvia_softc *)addr;
    619 	sc->codec_if->vtbl->lock(sc->codec_if);
    620 	return 0;
    621 }
    622 
    623 static void
    624 auvia_close(void *addr)
    625 {
    626 	struct auvia_softc *sc;
    627 
    628 	sc = (struct auvia_softc *)addr;
    629 	sc->codec_if->vtbl->unlock(sc->codec_if);
    630 }
    631 
    632 static int
    633 auvia_query_encoding(void *addr, struct audio_encoding *fp)
    634 {
    635 	struct auvia_softc *sc;
    636 
    637 	sc = (struct auvia_softc *)addr;
    638 	return auconv_query_encoding(
    639 	    sc->sc_spdif ? sc->sc_spdif_encodings : sc->sc_encodings, fp);
    640 }
    641 
    642 static void
    643 auvia_set_params_sub(struct auvia_softc *sc, struct auvia_softc_chan *ch,
    644 		     const audio_params_t *p)
    645 {
    646 	uint32_t v;
    647 	uint16_t regval;
    648 
    649 	if (!(sc->sc_flags & AUVIA_FLAGS_VT8233)) {
    650 		regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0)
    651 			| (p->precision  == 16 ?
    652 				AUVIA_RPMODE_16BIT : 0)
    653 			| AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL
    654 			| AUVIA_RPMODE_AUTOSTART;
    655 		ch->sc_reg = regval;
    656 	} else if (ch->sc_base != VIA8233_MP_BASE) {
    657 		v = CH_READ4(sc, ch, VIA8233_RP_RATEFMT);
    658 		v &= ~(VIA8233_RATEFMT_48K | VIA8233_RATEFMT_STEREO
    659 			| VIA8233_RATEFMT_16BIT);
    660 
    661 		v |= VIA8233_RATEFMT_48K * (p->sample_rate / 20)
    662 			/ (48000 / 20);
    663 		if (p->channels == 2)
    664 			v |= VIA8233_RATEFMT_STEREO;
    665 		if (p->precision == 16)
    666 			v |= VIA8233_RATEFMT_16BIT;
    667 
    668 		CH_WRITE4(sc, ch, VIA8233_RP_RATEFMT, v);
    669 	} else {
    670 		static const u_int32_t slottab[7] =
    671 			{ 0, 0xff000011, 0xff000021, 0,
    672 			  0xff004321, 0, 0xff436521};
    673 
    674 		regval = (p->precision == 16
    675 			? VIA8233_MP_FORMAT_16BIT : VIA8233_MP_FORMAT_8BIT)
    676 			| (p->channels << 4);
    677 		CH_WRITE1(sc, ch, VIA8233_OFF_MP_FORMAT, regval);
    678 		CH_WRITE4(sc, ch, VIA8233_OFF_MP_STOP, slottab[p->channels]);
    679 	}
    680 }
    681 
    682 static int
    683 auvia_set_params(void *addr, int setmode, int usemode,
    684     audio_params_t *play, audio_params_t *rec, stream_filter_list_t *pfil,
    685     stream_filter_list_t *rfil)
    686 {
    687 	struct auvia_softc *sc;
    688 	struct auvia_softc_chan *ch;
    689 	struct audio_params *p;
    690 	struct ac97_codec_if* codec;
    691 	stream_filter_list_t *fil;
    692 	int reg, mode;
    693 	int index;
    694 
    695 	sc = addr;
    696 	codec = sc->codec_if;
    697 	/* for mode in (RECORD, PLAY) */
    698 	for (mode = AUMODE_RECORD; mode != -1;
    699 	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
    700 		if ((setmode & mode) == 0)
    701 			continue;
    702 
    703 		if (mode == AUMODE_PLAY ) {
    704 			p = play;
    705 			ch = &sc->sc_play;
    706 			reg = AC97_REG_PCM_FRONT_DAC_RATE;
    707 			fil = pfil;
    708 		} else {
    709 			p = rec;
    710 			ch = &sc->sc_record;
    711 			reg = AC97_REG_PCM_LR_ADC_RATE;
    712 			fil = rfil;
    713 		}
    714 
    715 		if (p->sample_rate < 4000 || p->sample_rate > 48000 ||
    716 		    (p->precision != 8 && p->precision != 16))
    717 			return (EINVAL);
    718 		if (sc->sc_spdif)
    719 			index = auconv_set_converter(auvia_spdif_formats,
    720 			    AUVIA_SPDIF_NFORMATS, mode, p, TRUE, fil);
    721 		else
    722 			index = auconv_set_converter(sc->sc_formats,
    723 			    AUVIA_NFORMATS, mode, p, TRUE, fil);
    724 		if (index < 0)
    725 			return EINVAL;
    726 		if (fil->req_size > 0)
    727 			p = &fil->filters[0].param;
    728 		if (!AC97_IS_FIXED_RATE(codec)) {
    729 			if (codec->vtbl->set_rate(codec, reg, &p->sample_rate))
    730 				return EINVAL;
    731 			reg = AC97_REG_PCM_SURR_DAC_RATE;
    732 			if (p->channels >= 4
    733 			    && codec->vtbl->set_rate(codec, reg,
    734 						     &p->sample_rate))
    735 				return EINVAL;
    736 			reg = AC97_REG_PCM_LFE_DAC_RATE;
    737 			if (p->channels == 6
    738 			    && codec->vtbl->set_rate(codec, reg,
    739 						     &p->sample_rate))
    740 				return EINVAL;
    741 		}
    742 		auvia_set_params_sub(sc, ch, p);
    743 	}
    744 
    745 	return 0;
    746 }
    747 
    748 static int
    749 auvia_round_blocksize(void *addr, int blk,
    750     int mode, const audio_params_t *param)
    751 {
    752 	struct auvia_softc *sc;
    753 
    754 	sc = addr;
    755 	/* XXX VT823x might have the limitation of dma_ops size */
    756 	if (sc->sc_flags & AUVIA_FLAGS_VT8233 && blk < 288)
    757 		blk = 288;
    758 
    759 	return (blk & -32);
    760 }
    761 
    762 static int
    763 auvia_halt_output(void *addr)
    764 {
    765 	struct auvia_softc *sc;
    766 	struct auvia_softc_chan *ch;
    767 
    768 	sc = addr;
    769 	ch = &(sc->sc_play);
    770 	CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
    771 	ch->sc_intr = NULL;
    772 	return 0;
    773 }
    774 
    775 static int
    776 auvia_halt_input(void *addr)
    777 {
    778 	struct auvia_softc *sc;
    779 	struct auvia_softc_chan *ch;
    780 
    781 	sc = addr;
    782 	ch = &(sc->sc_record);
    783 	CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
    784 	ch->sc_intr = NULL;
    785 	return 0;
    786 }
    787 
    788 static int
    789 auvia_getdev(void *addr, struct audio_device *retp)
    790 {
    791 	struct auvia_softc *sc;
    792 
    793 	if (retp) {
    794 		sc = addr;
    795 		if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
    796 			strncpy(retp->name, "VIA VT823x",
    797 				sizeof(retp->name));
    798 		} else {
    799 			strncpy(retp->name, "VIA VT82C686A",
    800 				sizeof(retp->name));
    801 		}
    802 		strncpy(retp->version, sc->sc_revision, sizeof(retp->version));
    803 		strncpy(retp->config, "auvia", sizeof(retp->config));
    804 	}
    805 
    806 	return 0;
    807 }
    808 
    809 static int
    810 auvia_set_port(void *addr, mixer_ctrl_t *cp)
    811 {
    812 	struct auvia_softc *sc;
    813 
    814 	sc = addr;
    815 	return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
    816 }
    817 
    818 static int
    819 auvia_get_port(void *addr, mixer_ctrl_t *cp)
    820 {
    821 	struct auvia_softc *sc;
    822 
    823 	sc = addr;
    824 	return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp);
    825 }
    826 
    827 static int
    828 auvia_query_devinfo(void *addr, mixer_devinfo_t *dip)
    829 {
    830 	struct auvia_softc *sc;
    831 
    832 	sc = addr;
    833 	return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip);
    834 }
    835 
    836 static void *
    837 auvia_malloc(void *addr, int direction, size_t size,
    838     struct malloc_type * pool, int flags)
    839 {
    840 	struct auvia_softc *sc;
    841 	struct auvia_dma *p;
    842 	int error;
    843 	int rseg;
    844 
    845 	p = malloc(sizeof(*p), pool, flags);
    846 	if (!p)
    847 		return 0;
    848 	sc = addr;
    849 	p->size = size;
    850 	if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg,
    851 				      1, &rseg, BUS_DMA_NOWAIT)) != 0) {
    852 		aprint_error_dev(&sc->sc_dev, "unable to allocate DMA, error = %d\n", error);
    853 		goto fail_alloc;
    854 	}
    855 
    856 	if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr,
    857 				    BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) {
    858 		aprint_error_dev(&sc->sc_dev, "unable to map DMA, error = %d\n",
    859 		       error);
    860 		goto fail_map;
    861 	}
    862 
    863 	if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0,
    864 				       BUS_DMA_NOWAIT, &p->map)) != 0) {
    865 		aprint_error_dev(&sc->sc_dev, "unable to create DMA map, error = %d\n",
    866 		       error);
    867 		goto fail_create;
    868 	}
    869 
    870 	if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL,
    871 				     BUS_DMA_NOWAIT)) != 0) {
    872 		aprint_error_dev(&sc->sc_dev, "unable to load DMA map, error = %d\n",
    873 		       error);
    874 		goto fail_load;
    875 	}
    876 
    877 	p->next = sc->sc_dmas;
    878 	sc->sc_dmas = p;
    879 
    880 	return p->addr;
    881 
    882 
    883 fail_load:
    884 	bus_dmamap_destroy(sc->sc_dmat, p->map);
    885 fail_create:
    886 	bus_dmamem_unmap(sc->sc_dmat, p->addr, size);
    887 fail_map:
    888 	bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
    889 fail_alloc:
    890 	free(p, pool);
    891 	return NULL;
    892 }
    893 
    894 static void
    895 auvia_free(void *addr, void *ptr, struct malloc_type *pool)
    896 {
    897 	struct auvia_softc *sc;
    898 	struct auvia_dma **pp, *p;
    899 
    900 	sc = addr;
    901 	for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next)
    902 		if (p->addr == ptr) {
    903 			bus_dmamap_unload(sc->sc_dmat, p->map);
    904 			bus_dmamap_destroy(sc->sc_dmat, p->map);
    905 			bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
    906 			bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
    907 
    908 			*pp = p->next;
    909 			free(p, pool);
    910 			return;
    911 		}
    912 
    913 	panic("auvia_free: trying to free unallocated memory");
    914 }
    915 
    916 static size_t
    917 auvia_round_buffersize(void *addr, int direction, size_t size)
    918 {
    919 
    920 	return size;
    921 }
    922 
    923 static paddr_t
    924 auvia_mappage(void *addr, void *mem, off_t off, int prot)
    925 {
    926 	struct auvia_softc *sc;
    927 	struct auvia_dma *p;
    928 
    929 	if (off < 0)
    930 		return -1;
    931 	sc = addr;
    932 	for (p = sc->sc_dmas; p && p->addr != mem; p = p->next)
    933 		continue;
    934 
    935 	if (!p)
    936 		return -1;
    937 
    938 	return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot,
    939 	    BUS_DMA_WAITOK);
    940 }
    941 
    942 static int
    943 auvia_get_props(void *addr)
    944 {
    945 	struct auvia_softc *sc;
    946 	int props;
    947 
    948 	props = AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
    949 	sc = addr;
    950 	/*
    951 	 * Even if the codec is fixed-rate, set_param() succeeds for any sample
    952 	 * rate because of aurateconv.  Applications can't know what rate the
    953 	 * device can process in the case of mmap().
    954 	 */
    955 	if (!AC97_IS_FIXED_RATE(sc->codec_if))
    956 		props |= AUDIO_PROP_MMAP;
    957 	return props;
    958 }
    959 
    960 static int
    961 auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch,
    962 	struct auvia_dma *p, void *start, void *end, int blksize)
    963 {
    964 	struct auvia_dma_op *op;
    965 	struct auvia_dma *dp;
    966 	bus_addr_t s;
    967 	size_t l;
    968 	int segs;
    969 
    970 	s = p->map->dm_segs[0].ds_addr;
    971 	l = ((char *)end - (char *)start);
    972 	segs = (l + blksize - 1) / blksize;
    973 
    974 	if (segs > (ch->sc_dma_op_count)) {
    975 		/* if old list was too small, free it */
    976 		if (ch->sc_dma_ops) {
    977 			auvia_free(sc, ch->sc_dma_ops, M_DEVBUF);
    978 		}
    979 
    980 		ch->sc_dma_ops = auvia_malloc(sc, 0,
    981 			sizeof(struct auvia_dma_op) * segs, M_DEVBUF, M_WAITOK);
    982 
    983 		if (ch->sc_dma_ops == NULL) {
    984 			aprint_error_dev(&sc->sc_dev, "couldn't build dmaops\n");
    985 			return 1;
    986 		}
    987 
    988 		for (dp = sc->sc_dmas;
    989 		     dp && dp->addr != (void *)(ch->sc_dma_ops);
    990 		     dp = dp->next)
    991 			continue;
    992 
    993 		if (!dp)
    994 			panic("%s: build_dma_ops: where'd my memory go??? "
    995 				"address (%p)\n", device_xname(&sc->sc_dev),
    996 				ch->sc_dma_ops);
    997 
    998 		ch->sc_dma_op_count = segs;
    999 		ch->sc_dma_ops_dma = dp;
   1000 	}
   1001 
   1002 	dp = ch->sc_dma_ops_dma;
   1003 	op = ch->sc_dma_ops;
   1004 
   1005 	while (l) {
   1006 		op->ptr = htole32(s);
   1007 		l = l - blksize;
   1008 		if (!l) {
   1009 			/* if last block */
   1010 			op->flags = htole32(AUVIA_DMAOP_EOL | blksize);
   1011 		} else {
   1012 			op->flags = htole32(AUVIA_DMAOP_FLAG | blksize);
   1013 		}
   1014 		s += blksize;
   1015 		op++;
   1016 	}
   1017 
   1018 	return 0;
   1019 }
   1020 
   1021 
   1022 static int
   1023 auvia_trigger_output(void *addr, void *start, void *end, int blksize,
   1024     void (*intr)(void *), void *arg, const audio_params_t *param)
   1025 {
   1026 	struct auvia_softc *sc;
   1027 	struct auvia_softc_chan *ch;
   1028 	struct auvia_dma *p;
   1029 
   1030 	sc = addr;
   1031 	ch = &(sc->sc_play);
   1032 	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
   1033 		continue;
   1034 
   1035 	if (!p)
   1036 		panic("auvia_trigger_output: request with bad start "
   1037 			"address (%p)", start);
   1038 
   1039 	if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
   1040 		return 1;
   1041 	}
   1042 
   1043 	ch->sc_intr = intr;
   1044 	ch->sc_arg = arg;
   1045 
   1046 	CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
   1047 		ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
   1048 
   1049 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
   1050 		if (ch->sc_base != VIA8233_MP_BASE) {
   1051 			CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
   1052 			CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
   1053 		}
   1054 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
   1055 			AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
   1056 			AUVIA_RPCTRL_STOP  | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
   1057 	} else {
   1058 		CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
   1059 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
   1060 	}
   1061 
   1062 	return 0;
   1063 }
   1064 
   1065 static int
   1066 auvia_trigger_input(void *addr, void *start, void *end, int blksize,
   1067     void (*intr)(void *), void *arg, const audio_params_t *param)
   1068 {
   1069 	struct auvia_softc *sc;
   1070 	struct auvia_softc_chan *ch;
   1071 	struct auvia_dma *p;
   1072 
   1073 	sc = addr;
   1074 	ch = &(sc->sc_record);
   1075 	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
   1076 		continue;
   1077 
   1078 	if (!p)
   1079 		panic("auvia_trigger_input: request with bad start "
   1080 			"address (%p)", start);
   1081 
   1082 	if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
   1083 		return 1;
   1084 	}
   1085 
   1086 	ch->sc_intr = intr;
   1087 	ch->sc_arg = arg;
   1088 
   1089 	CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
   1090 		  ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
   1091 
   1092 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
   1093 		CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
   1094 		CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
   1095 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
   1096 			AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
   1097 			AUVIA_RPCTRL_STOP  | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
   1098 	} else {
   1099 		CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
   1100 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
   1101 	}
   1102 
   1103 	return 0;
   1104 }
   1105 
   1106 static int
   1107 auvia_intr(void *arg)
   1108 {
   1109 	struct auvia_softc *sc;
   1110 	struct auvia_softc_chan *ch;
   1111 	u_int8_t r;
   1112 	int rval;
   1113 
   1114 	sc = arg;
   1115 	rval = 0;
   1116 
   1117 	ch = &sc->sc_record;
   1118 	r = CH_READ1(sc, ch, AUVIA_RP_STAT);
   1119 	if (r & AUVIA_RPSTAT_INTR) {
   1120 		if (sc->sc_record.sc_intr)
   1121 			sc->sc_record.sc_intr(sc->sc_record.sc_arg);
   1122 
   1123 		/* clear interrupts */
   1124 		CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
   1125 		rval = 1;
   1126 	}
   1127 
   1128 	ch = &sc->sc_play;
   1129 	r = CH_READ1(sc, ch, AUVIA_RP_STAT);
   1130 	if (r & AUVIA_RPSTAT_INTR) {
   1131 		if (sc->sc_play.sc_intr)
   1132 			sc->sc_play.sc_intr(sc->sc_play.sc_arg);
   1133 
   1134 		/* clear interrupts */
   1135 		CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
   1136 		rval = 1;
   1137 	}
   1138 
   1139 	return rval;
   1140 }
   1141 
   1142 static bool
   1143 auvia_resume(device_t dv PMF_FN_ARGS)
   1144 {
   1145 	struct auvia_softc *sc = device_private(dv);
   1146 
   1147 	auvia_reset_codec(sc);
   1148 	DELAY(1000);
   1149 	(sc->codec_if->vtbl->restore_ports)(sc->codec_if);
   1150 
   1151 	return true;
   1152 }
   1153