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auvia.c revision 1.64
      1 /*	$NetBSD: auvia.c,v 1.64 2008/04/10 19:13:36 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  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 /*
     40  * VIA Technologies VT82C686A / VT8233 / VT8235 Southbridge Audio Driver
     41  *
     42  * Documentation links:
     43  *
     44  * ftp://ftp.alsa-project.org/pub/manuals/via/686a.pdf
     45  * ftp://ftp.alsa-project.org/pub/manuals/general/ac97r21.pdf
     46  * ftp://ftp.alsa-project.org/pub/manuals/ad/AD1881_0.pdf (example AC'97 codec)
     47  */
     48 
     49 #include <sys/cdefs.h>
     50 __KERNEL_RCSID(0, "$NetBSD: auvia.c,v 1.64 2008/04/10 19:13:36 cegger Exp $");
     51 
     52 #include <sys/param.h>
     53 #include <sys/systm.h>
     54 #include <sys/malloc.h>
     55 #include <sys/device.h>
     56 #include <sys/audioio.h>
     57 
     58 #include <uvm/uvm_extern.h>
     59 
     60 #include <dev/pci/pcidevs.h>
     61 #include <dev/pci/pcivar.h>
     62 
     63 #include <dev/audio_if.h>
     64 #include <dev/mulaw.h>
     65 #include <dev/auconv.h>
     66 
     67 #include <dev/ic/ac97reg.h>
     68 #include <dev/ic/ac97var.h>
     69 
     70 #include <dev/pci/auviavar.h>
     71 
     72 struct auvia_dma {
     73 	struct auvia_dma *next;
     74 	void *addr;
     75 	size_t size;
     76 	bus_dmamap_t map;
     77 	bus_dma_segment_t seg;
     78 };
     79 
     80 struct auvia_dma_op {
     81 	uint32_t ptr;
     82 	uint32_t flags;
     83 #define AUVIA_DMAOP_EOL		0x80000000
     84 #define AUVIA_DMAOP_FLAG	0x40000000
     85 #define AUVIA_DMAOP_STOP	0x20000000
     86 #define AUVIA_DMAOP_COUNT(x)	((x)&0x00FFFFFF)
     87 };
     88 
     89 static int	auvia_match(device_t, struct cfdata *, void *);
     90 static void	auvia_attach(device_t, device_t, void *);
     91 static int	auvia_detach(device_t, int);
     92 static void	auvia_childdet(device_t, device_t);
     93 static int	auvia_open(void *, int);
     94 static void	auvia_close(void *);
     95 static int	auvia_query_encoding(void *, struct audio_encoding *);
     96 static void	auvia_set_params_sub(struct auvia_softc *,
     97 				     struct auvia_softc_chan *,
     98 				     const audio_params_t *);
     99 static int	auvia_set_params(void *, int, int, audio_params_t *,
    100 				 audio_params_t *, stream_filter_list_t *,
    101 				 stream_filter_list_t *);
    102 static int	auvia_round_blocksize(void *, int, int, const audio_params_t *);
    103 static int	auvia_halt_output(void *);
    104 static int	auvia_halt_input(void *);
    105 static int	auvia_getdev(void *, struct audio_device *);
    106 static int	auvia_set_port(void *, mixer_ctrl_t *);
    107 static int	auvia_get_port(void *, mixer_ctrl_t *);
    108 static int	auvia_query_devinfo(void *, mixer_devinfo_t *);
    109 static void *	auvia_malloc(void *, int, size_t, struct malloc_type *, int);
    110 static void	auvia_free(void *, void *, struct malloc_type *);
    111 static size_t	auvia_round_buffersize(void *, int, size_t);
    112 static paddr_t	auvia_mappage(void *, void *, off_t, int);
    113 static int	auvia_get_props(void *);
    114 static int	auvia_build_dma_ops(struct auvia_softc *,
    115 				    struct auvia_softc_chan *,
    116 				    struct auvia_dma *, void *, void *, int);
    117 static int	auvia_trigger_output(void *, void *, void *, int,
    118 				     void (*)(void *), void *,
    119 				     const audio_params_t *);
    120 static int	auvia_trigger_input(void *, void *, void *, int,
    121 				    void (*)(void *), void *,
    122 				    const audio_params_t *);
    123 static bool	auvia_resume(device_t PMF_FN_PROTO);
    124 static int	auvia_intr(void *);
    125 
    126 static int	auvia_attach_codec(void *, struct ac97_codec_if *);
    127 static int	auvia_write_codec(void *, uint8_t, uint16_t);
    128 static int	auvia_read_codec(void *, uint8_t, uint16_t *);
    129 static int	auvia_reset_codec(void *);
    130 static int	auvia_waitready_codec(struct auvia_softc *);
    131 static int	auvia_waitvalid_codec(struct auvia_softc *);
    132 static void	auvia_spdif_event(void *, bool);
    133 
    134 CFATTACH_DECL2(auvia, sizeof (struct auvia_softc),
    135     auvia_match, auvia_attach, auvia_detach, NULL, NULL, auvia_childdet);
    136 
    137 /* VIA VT823xx revision number */
    138 #define VIA_REV_8233PRE	0x10
    139 #define VIA_REV_8233C	0x20
    140 #define VIA_REV_8233	0x30
    141 #define VIA_REV_8233A	0x40
    142 #define VIA_REV_8235	0x50
    143 #define VIA_REV_8237	0x60
    144 
    145 #define AUVIA_PCICONF_JUNK	0x40
    146 #define		AUVIA_PCICONF_ENABLES	 0x00FF0000	/* reg 42 mask */
    147 #define		AUVIA_PCICONF_ACLINKENAB 0x00008000	/* ac link enab */
    148 #define		AUVIA_PCICONF_ACNOTRST	 0x00004000	/* ~(ac reset) */
    149 #define		AUVIA_PCICONF_ACSYNC	 0x00002000	/* ac sync */
    150 #define		AUVIA_PCICONF_ACVSR	 0x00000800	/* var. samp. rate */
    151 #define		AUVIA_PCICONF_ACSGD	 0x00000400	/* SGD enab */
    152 #define		AUVIA_PCICONF_ACFM	 0x00000200	/* FM enab */
    153 #define		AUVIA_PCICONF_ACSB	 0x00000100	/* SB enab */
    154 #define		AUVIA_PCICONF_PRIVALID	 0x00000001	/* primary codec rdy */
    155 
    156 #define	AUVIA_PLAY_BASE			0x00
    157 #define	AUVIA_RECORD_BASE		0x10
    158 
    159 /* *_RP_* are offsets from AUVIA_PLAY_BASE or AUVIA_RECORD_BASE */
    160 #define	AUVIA_RP_STAT			0x00
    161 #define		AUVIA_RPSTAT_INTR		0x03
    162 #define	AUVIA_RP_CONTROL		0x01
    163 #define		AUVIA_RPCTRL_START		0x80
    164 #define		AUVIA_RPCTRL_TERMINATE		0x40
    165 #define		AUVIA_RPCTRL_AUTOSTART		0x20
    166 /* The following are 8233 specific */
    167 #define		AUVIA_RPCTRL_STOP		0x04
    168 #define		AUVIA_RPCTRL_EOL		0x02
    169 #define		AUVIA_RPCTRL_FLAG		0x01
    170 #define	AUVIA_RP_MODE			0x02		/* 82c686 specific */
    171 #define		AUVIA_RPMODE_INTR_FLAG		0x01
    172 #define		AUVIA_RPMODE_INTR_EOL		0x02
    173 #define		AUVIA_RPMODE_STEREO		0x10
    174 #define		AUVIA_RPMODE_16BIT		0x20
    175 #define		AUVIA_RPMODE_AUTOSTART		0x80
    176 #define	AUVIA_RP_DMAOPS_BASE		0x04
    177 
    178 #define	VIA8233_RP_DXS_LVOL		0x02
    179 #define	VIA8233_RP_DXS_RVOL		0x03
    180 #define	VIA8233_RP_RATEFMT		0x08
    181 #define		VIA8233_RATEFMT_48K		0xfffff
    182 #define		VIA8233_RATEFMT_STEREO		0x00100000
    183 #define		VIA8233_RATEFMT_16BIT		0x00200000
    184 
    185 #define	VIA_RP_DMAOPS_COUNT		0x0c
    186 
    187 #define VIA8233_MP_BASE			0x40
    188 	/* STAT, CONTROL, DMAOPS_BASE, DMAOPS_COUNT are valid */
    189 #define VIA8233_OFF_MP_FORMAT		0x02
    190 #define		VIA8233_MP_FORMAT_8BIT		0x00
    191 #define		VIA8233_MP_FORMAT_16BIT		0x80
    192 #define		VIA8233_MP_FORMAT_CHANNLE_MASK	0x70 /* 1, 2, 4, 6 */
    193 #define VIA8233_OFF_MP_SCRATCH		0x03
    194 #define VIA8233_OFF_MP_STOP		0x08
    195 
    196 #define	AUVIA_CODEC_CTL			0x80
    197 #define		AUVIA_CODEC_READ		0x00800000
    198 #define		AUVIA_CODEC_BUSY		0x01000000
    199 #define		AUVIA_CODEC_PRIVALID		0x02000000
    200 #define		AUVIA_CODEC_INDEX(x)		((x)<<16)
    201 
    202 #define CH_WRITE1(sc, ch, off, v)	\
    203 	bus_space_write_1((sc)->sc_iot,	(sc)->sc_ioh, (ch)->sc_base + (off), v)
    204 #define CH_WRITE4(sc, ch, off, v)	\
    205 	bus_space_write_4((sc)->sc_iot,	(sc)->sc_ioh, (ch)->sc_base + (off), v)
    206 #define CH_READ1(sc, ch, off)		\
    207 	bus_space_read_1((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off))
    208 #define CH_READ4(sc, ch, off)		\
    209 	bus_space_read_4((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off))
    210 
    211 #define TIMEOUT	50
    212 
    213 static const struct audio_hw_if auvia_hw_if = {
    214 	auvia_open,
    215 	auvia_close,
    216 	NULL, /* drain */
    217 	auvia_query_encoding,
    218 	auvia_set_params,
    219 	auvia_round_blocksize,
    220 	NULL, /* commit_settings */
    221 	NULL, /* init_output */
    222 	NULL, /* init_input */
    223 	NULL, /* start_output */
    224 	NULL, /* start_input */
    225 	auvia_halt_output,
    226 	auvia_halt_input,
    227 	NULL, /* speaker_ctl */
    228 	auvia_getdev,
    229 	NULL, /* setfd */
    230 	auvia_set_port,
    231 	auvia_get_port,
    232 	auvia_query_devinfo,
    233 	auvia_malloc,
    234 	auvia_free,
    235 	auvia_round_buffersize,
    236 	auvia_mappage,
    237 	auvia_get_props,
    238 	auvia_trigger_output,
    239 	auvia_trigger_input,
    240 	NULL, /* dev_ioctl */
    241 	NULL, /* powerstate */
    242 };
    243 
    244 #define AUVIA_FORMATS_4CH_16	2
    245 #define AUVIA_FORMATS_6CH_16	3
    246 #define AUVIA_FORMATS_4CH_8	6
    247 #define AUVIA_FORMATS_6CH_8	7
    248 static const struct audio_format auvia_formats[AUVIA_NFORMATS] = {
    249 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    250 	 1, AUFMT_MONAURAL, 0, {8000, 48000}},
    251 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    252 	 2, AUFMT_STEREO, 0, {8000, 48000}},
    253 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    254 	 4, AUFMT_SURROUND4, 0, {8000, 48000}},
    255 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    256 	 6, AUFMT_DOLBY_5_1, 0, {8000, 48000}},
    257 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    258 	 1, AUFMT_MONAURAL, 0, {8000, 48000}},
    259 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    260 	 2, AUFMT_STEREO, 0, {8000, 48000}},
    261 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    262 	 4, AUFMT_SURROUND4, 0, {8000, 48000}},
    263 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 8, 8,
    264 	 6, AUFMT_DOLBY_5_1, 0, {8000, 48000}},
    265 };
    266 
    267 #define	AUVIA_SPDIF_NFORMATS	1
    268 static const struct audio_format auvia_spdif_formats[AUVIA_SPDIF_NFORMATS] = {
    269 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    270 	 2, AUFMT_STEREO, 1, {48000}},
    271 };
    272 
    273 
    274 static int
    275 auvia_match(device_t parent, struct cfdata *match, void *aux)
    276 {
    277 	struct pci_attach_args *pa;
    278 
    279 	pa = (struct pci_attach_args *) aux;
    280 	if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_VIATECH)
    281 		return 0;
    282 	switch (PCI_PRODUCT(pa->pa_id)) {
    283 	case PCI_PRODUCT_VIATECH_VT82C686A_AC97:
    284 	case PCI_PRODUCT_VIATECH_VT8233_AC97:
    285 		break;
    286 	default:
    287 		return 0;
    288 	}
    289 
    290 	return 1;
    291 }
    292 
    293 static void
    294 auvia_childdet(device_t self, device_t child)
    295 {
    296 	/* we hold no child references, so do nothing */
    297 }
    298 
    299 static int
    300 auvia_detach(device_t self, int flags)
    301 {
    302 	int rc;
    303 	struct auvia_softc *sc = device_private(self);
    304 
    305 	if ((rc = config_detach_children(self, flags)) != 0)
    306 		return rc;
    307 
    308 	pmf_device_deregister(self);
    309 
    310 	auconv_delete_encodings(sc->sc_encodings);
    311 	auconv_delete_encodings(sc->sc_spdif_encodings);
    312 
    313 	if (sc->codec_if != NULL)
    314 		sc->codec_if->vtbl->detach(sc->codec_if);
    315 
    316 	/* XXX restore compatibility? */
    317 
    318 	if (sc->sc_ih != NULL)
    319 		pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
    320 
    321 	bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    322 
    323 	return 0;
    324 }
    325 
    326 static void
    327 auvia_attach(device_t parent, device_t self, void *aux)
    328 {
    329 	struct pci_attach_args *pa;
    330 	struct auvia_softc *sc;
    331 	const char *intrstr;
    332 	pci_chipset_tag_t pc;
    333 	pcitag_t pt;
    334 	pci_intr_handle_t ih;
    335 	pcireg_t pr;
    336 	int r;
    337 	const char *revnum;	/* VT823xx revision number */
    338 
    339 	pa = aux;
    340 	sc = device_private(self);
    341 	intrstr = NULL;
    342 	pc = pa->pa_pc;
    343 	pt = pa->pa_tag;
    344 	revnum = NULL;
    345 
    346 	aprint_naive(": Audio controller\n");
    347 
    348 	sc->sc_play.sc_base = AUVIA_PLAY_BASE;
    349 	sc->sc_record.sc_base = AUVIA_RECORD_BASE;
    350 	if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_VIATECH_VT8233_AC97) {
    351 		sc->sc_flags |= AUVIA_FLAGS_VT8233;
    352 		sc->sc_play.sc_base = VIA8233_MP_BASE;
    353 	}
    354 
    355 	if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot,
    356 		&sc->sc_ioh, NULL, &sc->sc_iosize)) {
    357 		aprint_error(": can't map i/o space\n");
    358 		return;
    359 	}
    360 
    361 	sc->sc_dmat = pa->pa_dmat;
    362 	sc->sc_pc = pc;
    363 	sc->sc_pt = pt;
    364 
    365 	r = PCI_REVISION(pa->pa_class);
    366 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
    367 		snprintf(sc->sc_revision, sizeof(sc->sc_revision), "0x%02X", r);
    368 		switch(r) {
    369 		case VIA_REV_8233PRE:
    370 			/* same as 8233, but should not be in the market */
    371 			revnum = "3-Pre";
    372 			break;
    373 		case VIA_REV_8233C:
    374 			/* 2 rec, 4 pb, 1 multi-pb */
    375 			revnum = "3C";
    376 			break;
    377 		case VIA_REV_8233:
    378 			/* 2 rec, 4 pb, 1 multi-pb, spdif */
    379 			revnum = "3";
    380 			break;
    381 		case VIA_REV_8233A:
    382 			/* 1 rec, 1 multi-pb, spdif */
    383 			revnum = "3A";
    384 			break;
    385 		default:
    386 			break;
    387 		}
    388 		if (r >= VIA_REV_8237)
    389 			revnum = "7";
    390 		else if (r >= VIA_REV_8235) /* 2 rec, 4 pb, 1 multi-pb, spdif */
    391 			revnum = "5";
    392 		aprint_normal(": VIA Technologies VT823%s AC'97 Audio "
    393 		    "(rev %s)\n", revnum, sc->sc_revision);
    394 	} else {
    395 		sc->sc_revision[1] = '\0';
    396 		if (r == 0x20) {
    397 			sc->sc_revision[0] = 'H';
    398 		} else if ((r >= 0x10) && (r <= 0x14)) {
    399 			sc->sc_revision[0] = 'A' + (r - 0x10);
    400 		} else {
    401 			snprintf(sc->sc_revision, sizeof(sc->sc_revision),
    402 			    "0x%02X", r);
    403 		}
    404 
    405 		aprint_normal(": VIA Technologies VT82C686A AC'97 Audio "
    406 		    "(rev %s)\n", sc->sc_revision);
    407 	}
    408 
    409 	if (pci_intr_map(pa, &ih)) {
    410 		aprint_error(": couldn't map interrupt\n");
    411 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    412 		return;
    413 	}
    414 	intrstr = pci_intr_string(pc, ih);
    415 
    416 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, auvia_intr, sc);
    417 	if (sc->sc_ih == NULL) {
    418 		aprint_error_dev(&sc->sc_dev, "couldn't establish interrupt");
    419 		if (intrstr != NULL)
    420 			aprint_normal(" at %s", intrstr);
    421 		aprint_normal("\n");
    422 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    423 		return;
    424 	}
    425 
    426 	aprint_normal_dev(&sc->sc_dev, "interrupting at %s\n", intrstr);
    427 
    428 	/* disable SBPro compat & others */
    429 	pr = pci_conf_read(pc, pt, AUVIA_PCICONF_JUNK);
    430 
    431 	pr &= ~AUVIA_PCICONF_ENABLES; /* clear compat function enables */
    432 	/* XXX what to do about MIDI, FM, joystick? */
    433 
    434 	pr |= (AUVIA_PCICONF_ACLINKENAB | AUVIA_PCICONF_ACNOTRST
    435 		| AUVIA_PCICONF_ACVSR | AUVIA_PCICONF_ACSGD);
    436 
    437 	pr &= ~(AUVIA_PCICONF_ACFM | AUVIA_PCICONF_ACSB);
    438 
    439 	pci_conf_write(pc, pt, AUVIA_PCICONF_JUNK, pr);
    440 
    441 	sc->host_if.arg = sc;
    442 	sc->host_if.attach = auvia_attach_codec;
    443 	sc->host_if.read = auvia_read_codec;
    444 	sc->host_if.write = auvia_write_codec;
    445 	sc->host_if.reset = auvia_reset_codec;
    446 	sc->host_if.spdif_event = auvia_spdif_event;
    447 
    448 	if ((r = ac97_attach(&sc->host_if, self)) != 0) {
    449 		aprint_error_dev(&sc->sc_dev, "can't attach codec (error 0x%X)\n", r);
    450 		pci_intr_disestablish(pc, sc->sc_ih);
    451 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    452 		return;
    453 	}
    454 
    455 	/* setup audio_format */
    456 	memcpy(sc->sc_formats, auvia_formats, sizeof(auvia_formats));
    457 	if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_4CH(sc->codec_if)) {
    458 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_4CH_8]);
    459 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_4CH_16]);
    460 	}
    461 	if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_6CH(sc->codec_if)) {
    462 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_6CH_8]);
    463 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_6CH_16]);
    464 	}
    465 	if (AC97_IS_FIXED_RATE(sc->codec_if)) {
    466 		for (r = 0; r < AUVIA_NFORMATS; r++) {
    467 			sc->sc_formats[r].frequency_type = 1;
    468 			sc->sc_formats[r].frequency[0] = 48000;
    469 		}
    470 	}
    471 
    472 	if (0 != auconv_create_encodings(sc->sc_formats, AUVIA_NFORMATS,
    473 					 &sc->sc_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 	if (0 != auconv_create_encodings(auvia_spdif_formats,
    480 	    AUVIA_SPDIF_NFORMATS, &sc->sc_spdif_encodings)) {
    481 		sc->codec_if->vtbl->detach(sc->codec_if);
    482 		pci_intr_disestablish(pc, sc->sc_ih);
    483 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    484 		return;
    485 	}
    486 
    487 	if (!pmf_device_register(self, NULL, auvia_resume))
    488 		aprint_error_dev(self, "couldn't establish power handler\n");
    489 
    490 	audio_attach_mi(&auvia_hw_if, sc, &sc->sc_dev);
    491 	sc->codec_if->vtbl->unlock(sc->codec_if);
    492 	return;
    493 }
    494 
    495 static int
    496 auvia_attach_codec(void *addr, struct ac97_codec_if *cif)
    497 {
    498 	struct auvia_softc *sc;
    499 
    500 	sc = addr;
    501 	sc->codec_if = cif;
    502 	return 0;
    503 }
    504 
    505 static int
    506 auvia_reset_codec(void *addr)
    507 {
    508 	struct auvia_softc *sc;
    509 	pcireg_t r;
    510 	int i;
    511 
    512 	/* perform a codec cold reset */
    513 	sc = addr;
    514 	r = pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK);
    515 
    516 	r &= ~AUVIA_PCICONF_ACNOTRST;	/* enable RESET (active low) */
    517 	pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
    518 	delay(2);
    519 
    520 	r |= AUVIA_PCICONF_ACNOTRST;	/* disable RESET (inactive high) */
    521 	pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
    522 	delay(200);
    523 
    524 	for (i = 500000; i != 0 && !(pci_conf_read(sc->sc_pc, sc->sc_pt,
    525 		AUVIA_PCICONF_JUNK) & AUVIA_PCICONF_PRIVALID); i--)
    526 		DELAY(1);
    527 	if (i == 0) {
    528 		printf("%s: codec reset timed out\n", device_xname(&sc->sc_dev));
    529 		return ETIMEDOUT;
    530 	}
    531 	return 0;
    532 }
    533 
    534 static int
    535 auvia_waitready_codec(struct auvia_softc *sc)
    536 {
    537 	int i;
    538 
    539 	/* poll until codec not busy */
    540 	for (i = 0; (i < TIMEOUT) && (bus_space_read_4(sc->sc_iot, sc->sc_ioh,
    541 		AUVIA_CODEC_CTL) & AUVIA_CODEC_BUSY); i++)
    542 		delay(1);
    543 	if (i >= TIMEOUT) {
    544 		printf("%s: codec busy\n", device_xname(&sc->sc_dev));
    545 		return 1;
    546 	}
    547 
    548 	return 0;
    549 }
    550 
    551 static int
    552 auvia_waitvalid_codec(struct auvia_softc *sc)
    553 {
    554 	int i;
    555 
    556 	/* poll until codec valid */
    557 	for (i = 0; (i < TIMEOUT) && !(bus_space_read_4(sc->sc_iot, sc->sc_ioh,
    558 		AUVIA_CODEC_CTL) & AUVIA_CODEC_PRIVALID); i++)
    559 			delay(1);
    560 	if (i >= TIMEOUT) {
    561 		printf("%s: codec invalid\n", device_xname(&sc->sc_dev));
    562 		return 1;
    563 	}
    564 
    565 	return 0;
    566 }
    567 
    568 static int
    569 auvia_write_codec(void *addr, u_int8_t reg, u_int16_t val)
    570 {
    571 	struct auvia_softc *sc;
    572 
    573 	sc = addr;
    574 	if (auvia_waitready_codec(sc))
    575 		return 1;
    576 
    577 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
    578 		AUVIA_CODEC_PRIVALID | AUVIA_CODEC_INDEX(reg) | val);
    579 
    580 	return 0;
    581 }
    582 
    583 static int
    584 auvia_read_codec(void *addr, u_int8_t reg, u_int16_t *val)
    585 {
    586 	struct auvia_softc *sc;
    587 
    588 	sc = addr;
    589 	if (auvia_waitready_codec(sc))
    590 		return 1;
    591 
    592 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
    593 		AUVIA_CODEC_PRIVALID | AUVIA_CODEC_READ | AUVIA_CODEC_INDEX(reg));
    594 
    595 	if (auvia_waitready_codec(sc))
    596 		return 1;
    597 
    598 	if (auvia_waitvalid_codec(sc))
    599 		return 1;
    600 
    601 	*val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL);
    602 
    603 	return 0;
    604 }
    605 
    606 static void
    607 auvia_spdif_event(void *addr, bool flag)
    608 {
    609 	struct auvia_softc *sc;
    610 
    611 	sc = addr;
    612 	sc->sc_spdif = flag;
    613 }
    614 
    615 static int
    616 auvia_open(void *addr, int flags)
    617 {
    618 	struct auvia_softc *sc;
    619 
    620 	sc = (struct auvia_softc *)addr;
    621 	sc->codec_if->vtbl->lock(sc->codec_if);
    622 	return 0;
    623 }
    624 
    625 static void
    626 auvia_close(void *addr)
    627 {
    628 	struct auvia_softc *sc;
    629 
    630 	sc = (struct auvia_softc *)addr;
    631 	sc->codec_if->vtbl->unlock(sc->codec_if);
    632 }
    633 
    634 static int
    635 auvia_query_encoding(void *addr, struct audio_encoding *fp)
    636 {
    637 	struct auvia_softc *sc;
    638 
    639 	sc = (struct auvia_softc *)addr;
    640 	return auconv_query_encoding(
    641 	    sc->sc_spdif ? sc->sc_spdif_encodings : sc->sc_encodings, fp);
    642 }
    643 
    644 static void
    645 auvia_set_params_sub(struct auvia_softc *sc, struct auvia_softc_chan *ch,
    646 		     const audio_params_t *p)
    647 {
    648 	uint32_t v;
    649 	uint16_t regval;
    650 
    651 	if (!(sc->sc_flags & AUVIA_FLAGS_VT8233)) {
    652 		regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0)
    653 			| (p->precision  == 16 ?
    654 				AUVIA_RPMODE_16BIT : 0)
    655 			| AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL
    656 			| AUVIA_RPMODE_AUTOSTART;
    657 		ch->sc_reg = regval;
    658 	} else if (ch->sc_base != VIA8233_MP_BASE) {
    659 		v = CH_READ4(sc, ch, VIA8233_RP_RATEFMT);
    660 		v &= ~(VIA8233_RATEFMT_48K | VIA8233_RATEFMT_STEREO
    661 			| VIA8233_RATEFMT_16BIT);
    662 
    663 		v |= VIA8233_RATEFMT_48K * (p->sample_rate / 20)
    664 			/ (48000 / 20);
    665 		if (p->channels == 2)
    666 			v |= VIA8233_RATEFMT_STEREO;
    667 		if (p->precision == 16)
    668 			v |= VIA8233_RATEFMT_16BIT;
    669 
    670 		CH_WRITE4(sc, ch, VIA8233_RP_RATEFMT, v);
    671 	} else {
    672 		static const u_int32_t slottab[7] =
    673 			{ 0, 0xff000011, 0xff000021, 0,
    674 			  0xff004321, 0, 0xff436521};
    675 
    676 		regval = (p->precision == 16
    677 			? VIA8233_MP_FORMAT_16BIT : VIA8233_MP_FORMAT_8BIT)
    678 			| (p->channels << 4);
    679 		CH_WRITE1(sc, ch, VIA8233_OFF_MP_FORMAT, regval);
    680 		CH_WRITE4(sc, ch, VIA8233_OFF_MP_STOP, slottab[p->channels]);
    681 	}
    682 }
    683 
    684 static int
    685 auvia_set_params(void *addr, int setmode, int usemode,
    686     audio_params_t *play, audio_params_t *rec, stream_filter_list_t *pfil,
    687     stream_filter_list_t *rfil)
    688 {
    689 	struct auvia_softc *sc;
    690 	struct auvia_softc_chan *ch;
    691 	struct audio_params *p;
    692 	struct ac97_codec_if* codec;
    693 	stream_filter_list_t *fil;
    694 	int reg, mode;
    695 	int index;
    696 
    697 	sc = addr;
    698 	codec = sc->codec_if;
    699 	/* for mode in (RECORD, PLAY) */
    700 	for (mode = AUMODE_RECORD; mode != -1;
    701 	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
    702 		if ((setmode & mode) == 0)
    703 			continue;
    704 
    705 		if (mode == AUMODE_PLAY ) {
    706 			p = play;
    707 			ch = &sc->sc_play;
    708 			reg = AC97_REG_PCM_FRONT_DAC_RATE;
    709 			fil = pfil;
    710 		} else {
    711 			p = rec;
    712 			ch = &sc->sc_record;
    713 			reg = AC97_REG_PCM_LR_ADC_RATE;
    714 			fil = rfil;
    715 		}
    716 
    717 		if (p->sample_rate < 4000 || p->sample_rate > 48000 ||
    718 		    (p->precision != 8 && p->precision != 16))
    719 			return (EINVAL);
    720 		if (sc->sc_spdif)
    721 			index = auconv_set_converter(auvia_spdif_formats,
    722 			    AUVIA_SPDIF_NFORMATS, mode, p, TRUE, fil);
    723 		else
    724 			index = auconv_set_converter(sc->sc_formats,
    725 			    AUVIA_NFORMATS, mode, p, TRUE, fil);
    726 		if (index < 0)
    727 			return EINVAL;
    728 		if (fil->req_size > 0)
    729 			p = &fil->filters[0].param;
    730 		if (!AC97_IS_FIXED_RATE(codec)) {
    731 			if (codec->vtbl->set_rate(codec, reg, &p->sample_rate))
    732 				return EINVAL;
    733 			reg = AC97_REG_PCM_SURR_DAC_RATE;
    734 			if (p->channels >= 4
    735 			    && codec->vtbl->set_rate(codec, reg,
    736 						     &p->sample_rate))
    737 				return EINVAL;
    738 			reg = AC97_REG_PCM_LFE_DAC_RATE;
    739 			if (p->channels == 6
    740 			    && codec->vtbl->set_rate(codec, reg,
    741 						     &p->sample_rate))
    742 				return EINVAL;
    743 		}
    744 		auvia_set_params_sub(sc, ch, p);
    745 	}
    746 
    747 	return 0;
    748 }
    749 
    750 static int
    751 auvia_round_blocksize(void *addr, int blk,
    752     int mode, const audio_params_t *param)
    753 {
    754 	struct auvia_softc *sc;
    755 
    756 	sc = addr;
    757 	/* XXX VT823x might have the limitation of dma_ops size */
    758 	if (sc->sc_flags & AUVIA_FLAGS_VT8233 && blk < 288)
    759 		blk = 288;
    760 
    761 	return (blk & -32);
    762 }
    763 
    764 static int
    765 auvia_halt_output(void *addr)
    766 {
    767 	struct auvia_softc *sc;
    768 	struct auvia_softc_chan *ch;
    769 
    770 	sc = addr;
    771 	ch = &(sc->sc_play);
    772 	CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
    773 	ch->sc_intr = NULL;
    774 	return 0;
    775 }
    776 
    777 static int
    778 auvia_halt_input(void *addr)
    779 {
    780 	struct auvia_softc *sc;
    781 	struct auvia_softc_chan *ch;
    782 
    783 	sc = addr;
    784 	ch = &(sc->sc_record);
    785 	CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
    786 	ch->sc_intr = NULL;
    787 	return 0;
    788 }
    789 
    790 static int
    791 auvia_getdev(void *addr, struct audio_device *retp)
    792 {
    793 	struct auvia_softc *sc;
    794 
    795 	if (retp) {
    796 		sc = addr;
    797 		if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
    798 			strncpy(retp->name, "VIA VT823x",
    799 				sizeof(retp->name));
    800 		} else {
    801 			strncpy(retp->name, "VIA VT82C686A",
    802 				sizeof(retp->name));
    803 		}
    804 		strncpy(retp->version, sc->sc_revision, sizeof(retp->version));
    805 		strncpy(retp->config, "auvia", sizeof(retp->config));
    806 	}
    807 
    808 	return 0;
    809 }
    810 
    811 static int
    812 auvia_set_port(void *addr, mixer_ctrl_t *cp)
    813 {
    814 	struct auvia_softc *sc;
    815 
    816 	sc = addr;
    817 	return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
    818 }
    819 
    820 static int
    821 auvia_get_port(void *addr, mixer_ctrl_t *cp)
    822 {
    823 	struct auvia_softc *sc;
    824 
    825 	sc = addr;
    826 	return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp);
    827 }
    828 
    829 static int
    830 auvia_query_devinfo(void *addr, mixer_devinfo_t *dip)
    831 {
    832 	struct auvia_softc *sc;
    833 
    834 	sc = addr;
    835 	return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip);
    836 }
    837 
    838 static void *
    839 auvia_malloc(void *addr, int direction, size_t size,
    840     struct malloc_type * pool, int flags)
    841 {
    842 	struct auvia_softc *sc;
    843 	struct auvia_dma *p;
    844 	int error;
    845 	int rseg;
    846 
    847 	p = malloc(sizeof(*p), pool, flags);
    848 	if (!p)
    849 		return 0;
    850 	sc = addr;
    851 	p->size = size;
    852 	if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg,
    853 				      1, &rseg, BUS_DMA_NOWAIT)) != 0) {
    854 		aprint_error_dev(&sc->sc_dev, "unable to allocate DMA, error = %d\n", error);
    855 		goto fail_alloc;
    856 	}
    857 
    858 	if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr,
    859 				    BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) {
    860 		aprint_error_dev(&sc->sc_dev, "unable to map DMA, error = %d\n",
    861 		       error);
    862 		goto fail_map;
    863 	}
    864 
    865 	if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0,
    866 				       BUS_DMA_NOWAIT, &p->map)) != 0) {
    867 		aprint_error_dev(&sc->sc_dev, "unable to create DMA map, error = %d\n",
    868 		       error);
    869 		goto fail_create;
    870 	}
    871 
    872 	if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL,
    873 				     BUS_DMA_NOWAIT)) != 0) {
    874 		aprint_error_dev(&sc->sc_dev, "unable to load DMA map, error = %d\n",
    875 		       error);
    876 		goto fail_load;
    877 	}
    878 
    879 	p->next = sc->sc_dmas;
    880 	sc->sc_dmas = p;
    881 
    882 	return p->addr;
    883 
    884 
    885 fail_load:
    886 	bus_dmamap_destroy(sc->sc_dmat, p->map);
    887 fail_create:
    888 	bus_dmamem_unmap(sc->sc_dmat, p->addr, size);
    889 fail_map:
    890 	bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
    891 fail_alloc:
    892 	free(p, pool);
    893 	return NULL;
    894 }
    895 
    896 static void
    897 auvia_free(void *addr, void *ptr, struct malloc_type *pool)
    898 {
    899 	struct auvia_softc *sc;
    900 	struct auvia_dma **pp, *p;
    901 
    902 	sc = addr;
    903 	for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next)
    904 		if (p->addr == ptr) {
    905 			bus_dmamap_unload(sc->sc_dmat, p->map);
    906 			bus_dmamap_destroy(sc->sc_dmat, p->map);
    907 			bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
    908 			bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
    909 
    910 			*pp = p->next;
    911 			free(p, pool);
    912 			return;
    913 		}
    914 
    915 	panic("auvia_free: trying to free unallocated memory");
    916 }
    917 
    918 static size_t
    919 auvia_round_buffersize(void *addr, int direction, size_t size)
    920 {
    921 
    922 	return size;
    923 }
    924 
    925 static paddr_t
    926 auvia_mappage(void *addr, void *mem, off_t off, int prot)
    927 {
    928 	struct auvia_softc *sc;
    929 	struct auvia_dma *p;
    930 
    931 	if (off < 0)
    932 		return -1;
    933 	sc = addr;
    934 	for (p = sc->sc_dmas; p && p->addr != mem; p = p->next)
    935 		continue;
    936 
    937 	if (!p)
    938 		return -1;
    939 
    940 	return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot,
    941 	    BUS_DMA_WAITOK);
    942 }
    943 
    944 static int
    945 auvia_get_props(void *addr)
    946 {
    947 	struct auvia_softc *sc;
    948 	int props;
    949 
    950 	props = AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
    951 	sc = addr;
    952 	/*
    953 	 * Even if the codec is fixed-rate, set_param() succeeds for any sample
    954 	 * rate because of aurateconv.  Applications can't know what rate the
    955 	 * device can process in the case of mmap().
    956 	 */
    957 	if (!AC97_IS_FIXED_RATE(sc->codec_if))
    958 		props |= AUDIO_PROP_MMAP;
    959 	return props;
    960 }
    961 
    962 static int
    963 auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch,
    964 	struct auvia_dma *p, void *start, void *end, int blksize)
    965 {
    966 	struct auvia_dma_op *op;
    967 	struct auvia_dma *dp;
    968 	bus_addr_t s;
    969 	size_t l;
    970 	int segs;
    971 
    972 	s = p->map->dm_segs[0].ds_addr;
    973 	l = ((char *)end - (char *)start);
    974 	segs = (l + blksize - 1) / blksize;
    975 
    976 	if (segs > (ch->sc_dma_op_count)) {
    977 		/* if old list was too small, free it */
    978 		if (ch->sc_dma_ops) {
    979 			auvia_free(sc, ch->sc_dma_ops, M_DEVBUF);
    980 		}
    981 
    982 		ch->sc_dma_ops = auvia_malloc(sc, 0,
    983 			sizeof(struct auvia_dma_op) * segs, M_DEVBUF, M_WAITOK);
    984 
    985 		if (ch->sc_dma_ops == NULL) {
    986 			aprint_error_dev(&sc->sc_dev, "couldn't build dmaops\n");
    987 			return 1;
    988 		}
    989 
    990 		for (dp = sc->sc_dmas;
    991 		     dp && dp->addr != (void *)(ch->sc_dma_ops);
    992 		     dp = dp->next)
    993 			continue;
    994 
    995 		if (!dp)
    996 			panic("%s: build_dma_ops: where'd my memory go??? "
    997 				"address (%p)\n", device_xname(&sc->sc_dev),
    998 				ch->sc_dma_ops);
    999 
   1000 		ch->sc_dma_op_count = segs;
   1001 		ch->sc_dma_ops_dma = dp;
   1002 	}
   1003 
   1004 	dp = ch->sc_dma_ops_dma;
   1005 	op = ch->sc_dma_ops;
   1006 
   1007 	while (l) {
   1008 		op->ptr = htole32(s);
   1009 		l = l - blksize;
   1010 		if (!l) {
   1011 			/* if last block */
   1012 			op->flags = htole32(AUVIA_DMAOP_EOL | blksize);
   1013 		} else {
   1014 			op->flags = htole32(AUVIA_DMAOP_FLAG | blksize);
   1015 		}
   1016 		s += blksize;
   1017 		op++;
   1018 	}
   1019 
   1020 	return 0;
   1021 }
   1022 
   1023 
   1024 static int
   1025 auvia_trigger_output(void *addr, void *start, void *end, int blksize,
   1026     void (*intr)(void *), void *arg, const audio_params_t *param)
   1027 {
   1028 	struct auvia_softc *sc;
   1029 	struct auvia_softc_chan *ch;
   1030 	struct auvia_dma *p;
   1031 
   1032 	sc = addr;
   1033 	ch = &(sc->sc_play);
   1034 	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
   1035 		continue;
   1036 
   1037 	if (!p)
   1038 		panic("auvia_trigger_output: request with bad start "
   1039 			"address (%p)", start);
   1040 
   1041 	if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
   1042 		return 1;
   1043 	}
   1044 
   1045 	ch->sc_intr = intr;
   1046 	ch->sc_arg = arg;
   1047 
   1048 	CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
   1049 		ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
   1050 
   1051 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
   1052 		if (ch->sc_base != VIA8233_MP_BASE) {
   1053 			CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
   1054 			CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
   1055 		}
   1056 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
   1057 			AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
   1058 			AUVIA_RPCTRL_STOP  | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
   1059 	} else {
   1060 		CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
   1061 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
   1062 	}
   1063 
   1064 	return 0;
   1065 }
   1066 
   1067 static int
   1068 auvia_trigger_input(void *addr, void *start, void *end, int blksize,
   1069     void (*intr)(void *), void *arg, const audio_params_t *param)
   1070 {
   1071 	struct auvia_softc *sc;
   1072 	struct auvia_softc_chan *ch;
   1073 	struct auvia_dma *p;
   1074 
   1075 	sc = addr;
   1076 	ch = &(sc->sc_record);
   1077 	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
   1078 		continue;
   1079 
   1080 	if (!p)
   1081 		panic("auvia_trigger_input: request with bad start "
   1082 			"address (%p)", start);
   1083 
   1084 	if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
   1085 		return 1;
   1086 	}
   1087 
   1088 	ch->sc_intr = intr;
   1089 	ch->sc_arg = arg;
   1090 
   1091 	CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
   1092 		  ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
   1093 
   1094 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
   1095 		CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
   1096 		CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
   1097 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
   1098 			AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
   1099 			AUVIA_RPCTRL_STOP  | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
   1100 	} else {
   1101 		CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
   1102 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
   1103 	}
   1104 
   1105 	return 0;
   1106 }
   1107 
   1108 static int
   1109 auvia_intr(void *arg)
   1110 {
   1111 	struct auvia_softc *sc;
   1112 	struct auvia_softc_chan *ch;
   1113 	u_int8_t r;
   1114 	int rval;
   1115 
   1116 	sc = arg;
   1117 	rval = 0;
   1118 
   1119 	ch = &sc->sc_record;
   1120 	r = CH_READ1(sc, ch, AUVIA_RP_STAT);
   1121 	if (r & AUVIA_RPSTAT_INTR) {
   1122 		if (sc->sc_record.sc_intr)
   1123 			sc->sc_record.sc_intr(sc->sc_record.sc_arg);
   1124 
   1125 		/* clear interrupts */
   1126 		CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
   1127 		rval = 1;
   1128 	}
   1129 
   1130 	ch = &sc->sc_play;
   1131 	r = CH_READ1(sc, ch, AUVIA_RP_STAT);
   1132 	if (r & AUVIA_RPSTAT_INTR) {
   1133 		if (sc->sc_play.sc_intr)
   1134 			sc->sc_play.sc_intr(sc->sc_play.sc_arg);
   1135 
   1136 		/* clear interrupts */
   1137 		CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
   1138 		rval = 1;
   1139 	}
   1140 
   1141 	return rval;
   1142 }
   1143 
   1144 static bool
   1145 auvia_resume(device_t dv PMF_FN_ARGS)
   1146 {
   1147 	struct auvia_softc *sc = device_private(dv);
   1148 
   1149 	auvia_reset_codec(sc);
   1150 	DELAY(1000);
   1151 	(sc->codec_if->vtbl->restore_ports)(sc->codec_if);
   1152 
   1153 	return true;
   1154 }
   1155