Home | History | Annotate | Line # | Download | only in pci
auvia.c revision 1.58.6.1
      1 /*	$NetBSD: auvia.c,v 1.58.6.1 2008/09/04 08:46:44 skrll 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 1.58.6.1 2008/09/04 08:46:44 skrll 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 	caddr_t 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(struct device *, struct cfdata *, void *);
     90 static void	auvia_attach(struct device *, struct device *, void *);
     91 static int	auvia_open(void *, int);
     92 static void	auvia_close(void *);
     93 static int	auvia_query_encoding(void *, struct audio_encoding *);
     94 static void	auvia_set_params_sub(struct auvia_softc *,
     95 				     struct auvia_softc_chan *,
     96 				     const audio_params_t *);
     97 static int	auvia_set_params(void *, int, int, audio_params_t *,
     98 				 audio_params_t *, stream_filter_list_t *,
     99 				 stream_filter_list_t *);
    100 static int	auvia_round_blocksize(void *, int, int, const audio_params_t *);
    101 static int	auvia_halt_output(void *);
    102 static int	auvia_halt_input(void *);
    103 static int	auvia_getdev(void *, struct audio_device *);
    104 static int	auvia_set_port(void *, mixer_ctrl_t *);
    105 static int	auvia_get_port(void *, mixer_ctrl_t *);
    106 static int	auvia_query_devinfo(void *, mixer_devinfo_t *);
    107 static void *	auvia_malloc(void *, int, size_t, struct malloc_type *, int);
    108 static void	auvia_free(void *, void *, struct malloc_type *);
    109 static size_t	auvia_round_buffersize(void *, int, size_t);
    110 static paddr_t	auvia_mappage(void *, void *, off_t, int);
    111 static int	auvia_get_props(void *);
    112 static int	auvia_build_dma_ops(struct auvia_softc *,
    113 				    struct auvia_softc_chan *,
    114 				    struct auvia_dma *, void *, void *, int);
    115 static int	auvia_trigger_output(void *, void *, void *, int,
    116 				     void (*)(void *), void *,
    117 				     const audio_params_t *);
    118 static int	auvia_trigger_input(void *, void *, void *, int,
    119 				    void (*)(void *), void *,
    120 				    const audio_params_t *);
    121 static void	auvia_powerhook(int, void *);
    122 static int	auvia_intr(void *);
    123 
    124 static int	auvia_attach_codec(void *, struct ac97_codec_if *);
    125 static int	auvia_write_codec(void *, uint8_t, uint16_t);
    126 static int	auvia_read_codec(void *, uint8_t, uint16_t *);
    127 static int	auvia_reset_codec(void *);
    128 static int	auvia_waitready_codec(struct auvia_softc *);
    129 static int	auvia_waitvalid_codec(struct auvia_softc *);
    130 static void	auvia_spdif_event(void *, boolean_t);
    131 
    132 CFATTACH_DECL(auvia, sizeof (struct auvia_softc),
    133     auvia_match, auvia_attach, NULL, NULL);
    134 
    135 /* VIA VT823xx revision number */
    136 #define VIA_REV_8233PRE	0x10
    137 #define VIA_REV_8233C	0x20
    138 #define VIA_REV_8233	0x30
    139 #define VIA_REV_8233A	0x40
    140 #define VIA_REV_8235	0x50
    141 #define VIA_REV_8237	0x60
    142 
    143 #define AUVIA_PCICONF_JUNK	0x40
    144 #define		AUVIA_PCICONF_ENABLES	 0x00FF0000	/* reg 42 mask */
    145 #define		AUVIA_PCICONF_ACLINKENAB 0x00008000	/* ac link enab */
    146 #define		AUVIA_PCICONF_ACNOTRST	 0x00004000	/* ~(ac reset) */
    147 #define		AUVIA_PCICONF_ACSYNC	 0x00002000	/* ac sync */
    148 #define		AUVIA_PCICONF_ACVSR	 0x00000800	/* var. samp. rate */
    149 #define		AUVIA_PCICONF_ACSGD	 0x00000400	/* SGD enab */
    150 #define		AUVIA_PCICONF_ACFM	 0x00000200	/* FM enab */
    151 #define		AUVIA_PCICONF_ACSB	 0x00000100	/* SB enab */
    152 #define		AUVIA_PCICONF_PRIVALID	 0x00000001	/* primary codec rdy */
    153 
    154 #define	AUVIA_PLAY_BASE			0x00
    155 #define	AUVIA_RECORD_BASE		0x10
    156 
    157 /* *_RP_* are offsets from AUVIA_PLAY_BASE or AUVIA_RECORD_BASE */
    158 #define	AUVIA_RP_STAT			0x00
    159 #define		AUVIA_RPSTAT_INTR		0x03
    160 #define	AUVIA_RP_CONTROL		0x01
    161 #define		AUVIA_RPCTRL_START		0x80
    162 #define		AUVIA_RPCTRL_TERMINATE		0x40
    163 #define		AUVIA_RPCTRL_AUTOSTART		0x20
    164 /* The following are 8233 specific */
    165 #define		AUVIA_RPCTRL_STOP		0x04
    166 #define		AUVIA_RPCTRL_EOL		0x02
    167 #define		AUVIA_RPCTRL_FLAG		0x01
    168 #define	AUVIA_RP_MODE			0x02		/* 82c686 specific */
    169 #define		AUVIA_RPMODE_INTR_FLAG		0x01
    170 #define		AUVIA_RPMODE_INTR_EOL		0x02
    171 #define		AUVIA_RPMODE_STEREO		0x10
    172 #define		AUVIA_RPMODE_16BIT		0x20
    173 #define		AUVIA_RPMODE_AUTOSTART		0x80
    174 #define	AUVIA_RP_DMAOPS_BASE		0x04
    175 
    176 #define	VIA8233_RP_DXS_LVOL		0x02
    177 #define	VIA8233_RP_DXS_RVOL		0x03
    178 #define	VIA8233_RP_RATEFMT		0x08
    179 #define		VIA8233_RATEFMT_48K		0xfffff
    180 #define		VIA8233_RATEFMT_STEREO		0x00100000
    181 #define		VIA8233_RATEFMT_16BIT		0x00200000
    182 
    183 #define	VIA_RP_DMAOPS_COUNT		0x0c
    184 
    185 #define VIA8233_MP_BASE			0x40
    186 	/* STAT, CONTROL, DMAOPS_BASE, DMAOPS_COUNT are valid */
    187 #define VIA8233_OFF_MP_FORMAT		0x02
    188 #define		VIA8233_MP_FORMAT_8BIT		0x00
    189 #define		VIA8233_MP_FORMAT_16BIT		0x80
    190 #define		VIA8233_MP_FORMAT_CHANNLE_MASK	0x70 /* 1, 2, 4, 6 */
    191 #define VIA8233_OFF_MP_SCRATCH		0x03
    192 #define VIA8233_OFF_MP_STOP		0x08
    193 
    194 #define VIA8233_WR_BASE			0x60
    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(struct device *parent, struct cfdata *match,
    276     void *aux)
    277 {
    278 	struct pci_attach_args *pa;
    279 
    280 	pa = (struct pci_attach_args *) aux;
    281 	if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_VIATECH)
    282 		return 0;
    283 	switch (PCI_PRODUCT(pa->pa_id)) {
    284 	case PCI_PRODUCT_VIATECH_VT82C686A_AC97:
    285 	case PCI_PRODUCT_VIATECH_VT8233_AC97:
    286 		break;
    287 	default:
    288 		return 0;
    289 	}
    290 
    291 	return 1;
    292 }
    293 
    294 static void
    295 auvia_attach(struct device *parent, struct device *self, void *aux)
    296 {
    297 	struct pci_attach_args *pa;
    298 	struct auvia_softc *sc;
    299 	const char *intrstr;
    300 	pci_chipset_tag_t pc;
    301 	pcitag_t pt;
    302 	pci_intr_handle_t ih;
    303 	bus_size_t iosize;
    304 	pcireg_t pr;
    305 	int r;
    306 	const char *revnum;	/* VT823xx revision number */
    307 
    308 	pa = aux;
    309 	sc = (struct auvia_softc *)self;
    310 	intrstr = NULL;
    311 	pc = pa->pa_pc;
    312 	pt = pa->pa_tag;
    313 	revnum = NULL;
    314 
    315 	aprint_naive(": Audio controller\n");
    316 
    317 	sc->sc_play.sc_base = AUVIA_PLAY_BASE;
    318 	sc->sc_record.sc_base = AUVIA_RECORD_BASE;
    319 	if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_VIATECH_VT8233_AC97) {
    320 		sc->sc_flags |= AUVIA_FLAGS_VT8233;
    321 		sc->sc_play.sc_base = VIA8233_MP_BASE;
    322 		sc->sc_record.sc_base = VIA8233_WR_BASE;
    323 	}
    324 
    325 	if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot,
    326 		&sc->sc_ioh, NULL, &iosize)) {
    327 		aprint_error(": can't map i/o space\n");
    328 		return;
    329 	}
    330 
    331 	sc->sc_dmat = pa->pa_dmat;
    332 	sc->sc_pc = pc;
    333 	sc->sc_pt = pt;
    334 
    335 	r = PCI_REVISION(pa->pa_class);
    336 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
    337 		snprintf(sc->sc_revision, sizeof(sc->sc_revision), "0x%02X", r);
    338 		switch(r) {
    339 		case VIA_REV_8233PRE:
    340 			/* same as 8233, but should not be in the market */
    341 			revnum = "3-Pre";
    342 			break;
    343 		case VIA_REV_8233C:
    344 			/* 2 rec, 4 pb, 1 multi-pb */
    345 			revnum = "3C";
    346 			break;
    347 		case VIA_REV_8233:
    348 			/* 2 rec, 4 pb, 1 multi-pb, spdif */
    349 			revnum = "3";
    350 			break;
    351 		case VIA_REV_8233A:
    352 			/* 1 rec, 1 multi-pb, spdif */
    353 			revnum = "3A";
    354 			break;
    355 		default:
    356 			break;
    357 		}
    358 		if (r >= VIA_REV_8237)
    359 			revnum = "7";
    360 		else if (r >= VIA_REV_8235) /* 2 rec, 4 pb, 1 multi-pb, spdif */
    361 			revnum = "5";
    362 		aprint_normal(": VIA Technologies VT823%s AC'97 Audio "
    363 		    "(rev %s)\n", revnum, sc->sc_revision);
    364 	} else {
    365 		sc->sc_revision[1] = '\0';
    366 		if (r == 0x20) {
    367 			sc->sc_revision[0] = 'H';
    368 		} else if ((r >= 0x10) && (r <= 0x14)) {
    369 			sc->sc_revision[0] = 'A' + (r - 0x10);
    370 		} else {
    371 			snprintf(sc->sc_revision, sizeof(sc->sc_revision),
    372 			    "0x%02X", r);
    373 		}
    374 
    375 		aprint_normal(": VIA Technologies VT82C686A AC'97 Audio "
    376 		    "(rev %s)\n", sc->sc_revision);
    377 	}
    378 
    379 	if (pci_intr_map(pa, &ih)) {
    380 		aprint_error(": couldn't map interrupt\n");
    381 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
    382 		return;
    383 	}
    384 	intrstr = pci_intr_string(pc, ih);
    385 
    386 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, auvia_intr, sc);
    387 	if (sc->sc_ih == NULL) {
    388 		aprint_error("%s: couldn't establish interrupt",
    389 		    sc->sc_dev.dv_xname);
    390 		if (intrstr != NULL)
    391 			aprint_normal(" at %s", intrstr);
    392 		aprint_normal("\n");
    393 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
    394 		return;
    395 	}
    396 
    397 	aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
    398 
    399 	/* disable SBPro compat & others */
    400 	pr = pci_conf_read(pc, pt, AUVIA_PCICONF_JUNK);
    401 
    402 	pr &= ~AUVIA_PCICONF_ENABLES; /* clear compat function enables */
    403 	/* XXX what to do about MIDI, FM, joystick? */
    404 
    405 	pr |= (AUVIA_PCICONF_ACLINKENAB | AUVIA_PCICONF_ACNOTRST
    406 		| AUVIA_PCICONF_ACVSR | AUVIA_PCICONF_ACSGD);
    407 
    408 	pr &= ~(AUVIA_PCICONF_ACFM | AUVIA_PCICONF_ACSB);
    409 
    410 	pci_conf_write(pc, pt, AUVIA_PCICONF_JUNK, pr);
    411 
    412 	sc->host_if.arg = sc;
    413 	sc->host_if.attach = auvia_attach_codec;
    414 	sc->host_if.read = auvia_read_codec;
    415 	sc->host_if.write = auvia_write_codec;
    416 	sc->host_if.reset = auvia_reset_codec;
    417 	sc->host_if.spdif_event = auvia_spdif_event;
    418 
    419 	if ((r = ac97_attach(&sc->host_if, self)) != 0) {
    420 		aprint_error("%s: can't attach codec (error 0x%X)\n",
    421 			sc->sc_dev.dv_xname, r);
    422 		pci_intr_disestablish(pc, sc->sc_ih);
    423 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
    424 		return;
    425 	}
    426 
    427 	/* setup audio_format */
    428 	memcpy(sc->sc_formats, auvia_formats, sizeof(auvia_formats));
    429 	if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_4CH(sc->codec_if)) {
    430 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_4CH_8]);
    431 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_4CH_16]);
    432 	}
    433 	if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_6CH(sc->codec_if)) {
    434 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_6CH_8]);
    435 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_6CH_16]);
    436 	}
    437 	if (AC97_IS_FIXED_RATE(sc->codec_if)) {
    438 		for (r = 0; r < AUVIA_NFORMATS; r++) {
    439 			sc->sc_formats[r].frequency_type = 1;
    440 			sc->sc_formats[r].frequency[0] = 48000;
    441 		}
    442 	}
    443 
    444 	if (0 != auconv_create_encodings(sc->sc_formats, AUVIA_NFORMATS,
    445 					 &sc->sc_encodings)) {
    446 		sc->codec_if->vtbl->detach(sc->codec_if);
    447 		pci_intr_disestablish(pc, sc->sc_ih);
    448 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
    449 		return;
    450 	}
    451 	if (0 != auconv_create_encodings(auvia_spdif_formats,
    452 	    AUVIA_SPDIF_NFORMATS, &sc->sc_spdif_encodings)) {
    453 		sc->codec_if->vtbl->detach(sc->codec_if);
    454 		pci_intr_disestablish(pc, sc->sc_ih);
    455 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
    456 		return;
    457 	}
    458 
    459 	/* Watch for power change */
    460 	sc->sc_suspend = PWR_RESUME;
    461 	sc->sc_powerhook = powerhook_establish(sc->sc_dev.dv_xname,
    462 	    auvia_powerhook, sc);
    463 
    464 	audio_attach_mi(&auvia_hw_if, sc, &sc->sc_dev);
    465 	sc->codec_if->vtbl->unlock(sc->codec_if);
    466 	return;
    467 }
    468 
    469 static int
    470 auvia_attach_codec(void *addr, struct ac97_codec_if *cif)
    471 {
    472 	struct auvia_softc *sc;
    473 
    474 	sc = addr;
    475 	sc->codec_if = cif;
    476 	return 0;
    477 }
    478 
    479 static int
    480 auvia_reset_codec(void *addr)
    481 {
    482 	struct auvia_softc *sc;
    483 	pcireg_t r;
    484 	int i;
    485 
    486 	/* perform a codec cold reset */
    487 	sc = addr;
    488 	r = pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK);
    489 
    490 	r &= ~AUVIA_PCICONF_ACNOTRST;	/* enable RESET (active low) */
    491 	pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
    492 	delay(2);
    493 
    494 	r |= AUVIA_PCICONF_ACNOTRST;	/* disable RESET (inactive high) */
    495 	pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
    496 	delay(200);
    497 
    498 	for (i = 500000; i != 0 && !(pci_conf_read(sc->sc_pc, sc->sc_pt,
    499 		AUVIA_PCICONF_JUNK) & AUVIA_PCICONF_PRIVALID); i--)
    500 		DELAY(1);
    501 	if (i == 0) {
    502 		printf("%s: codec reset timed out\n", sc->sc_dev.dv_xname);
    503 		return ETIMEDOUT;
    504 	}
    505 	return 0;
    506 }
    507 
    508 static int
    509 auvia_waitready_codec(struct auvia_softc *sc)
    510 {
    511 	int i;
    512 
    513 	/* poll until codec not busy */
    514 	for (i = 0; (i < TIMEOUT) && (bus_space_read_4(sc->sc_iot, sc->sc_ioh,
    515 		AUVIA_CODEC_CTL) & AUVIA_CODEC_BUSY); i++)
    516 		delay(1);
    517 	if (i >= TIMEOUT) {
    518 		printf("%s: codec busy\n", sc->sc_dev.dv_xname);
    519 		return 1;
    520 	}
    521 
    522 	return 0;
    523 }
    524 
    525 static int
    526 auvia_waitvalid_codec(struct auvia_softc *sc)
    527 {
    528 	int i;
    529 
    530 	/* poll until codec valid */
    531 	for (i = 0; (i < TIMEOUT) && !(bus_space_read_4(sc->sc_iot, sc->sc_ioh,
    532 		AUVIA_CODEC_CTL) & AUVIA_CODEC_PRIVALID); i++)
    533 			delay(1);
    534 	if (i >= TIMEOUT) {
    535 		printf("%s: codec invalid\n", sc->sc_dev.dv_xname);
    536 		return 1;
    537 	}
    538 
    539 	return 0;
    540 }
    541 
    542 static int
    543 auvia_write_codec(void *addr, u_int8_t reg, u_int16_t val)
    544 {
    545 	struct auvia_softc *sc;
    546 
    547 	sc = addr;
    548 	if (auvia_waitready_codec(sc))
    549 		return 1;
    550 
    551 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
    552 		AUVIA_CODEC_PRIVALID | AUVIA_CODEC_INDEX(reg) | val);
    553 
    554 	return 0;
    555 }
    556 
    557 static int
    558 auvia_read_codec(void *addr, u_int8_t reg, u_int16_t *val)
    559 {
    560 	struct auvia_softc *sc;
    561 
    562 	sc = addr;
    563 	if (auvia_waitready_codec(sc))
    564 		return 1;
    565 
    566 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
    567 		AUVIA_CODEC_PRIVALID | AUVIA_CODEC_READ | AUVIA_CODEC_INDEX(reg));
    568 
    569 	if (auvia_waitready_codec(sc))
    570 		return 1;
    571 
    572 	if (auvia_waitvalid_codec(sc))
    573 		return 1;
    574 
    575 	*val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL);
    576 
    577 	return 0;
    578 }
    579 
    580 static void
    581 auvia_spdif_event(void *addr, boolean_t flag)
    582 {
    583 	struct auvia_softc *sc;
    584 
    585 	sc = addr;
    586 	sc->sc_spdif = flag;
    587 }
    588 
    589 static int
    590 auvia_open(void *addr, int flags)
    591 {
    592 	struct auvia_softc *sc;
    593 
    594 	sc = (struct auvia_softc *)addr;
    595 	sc->codec_if->vtbl->lock(sc->codec_if);
    596 	return 0;
    597 }
    598 
    599 static void
    600 auvia_close(void *addr)
    601 {
    602 	struct auvia_softc *sc;
    603 
    604 	sc = (struct auvia_softc *)addr;
    605 	sc->codec_if->vtbl->unlock(sc->codec_if);
    606 }
    607 
    608 static int
    609 auvia_query_encoding(void *addr, struct audio_encoding *fp)
    610 {
    611 	struct auvia_softc *sc;
    612 
    613 	sc = (struct auvia_softc *)addr;
    614 	return auconv_query_encoding(
    615 	    sc->sc_spdif ? sc->sc_spdif_encodings : sc->sc_encodings, fp);
    616 }
    617 
    618 static void
    619 auvia_set_params_sub(struct auvia_softc *sc, struct auvia_softc_chan *ch,
    620 		     const audio_params_t *p)
    621 {
    622 	uint32_t v;
    623 	uint16_t regval;
    624 
    625 	if (!(sc->sc_flags & AUVIA_FLAGS_VT8233)) {
    626 		regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0)
    627 			| (p->precision  == 16 ?
    628 				AUVIA_RPMODE_16BIT : 0)
    629 			| AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL
    630 			| AUVIA_RPMODE_AUTOSTART;
    631 		ch->sc_reg = regval;
    632 	} else if (ch->sc_base != VIA8233_MP_BASE) {
    633 		v = CH_READ4(sc, ch, VIA8233_RP_RATEFMT);
    634 		v &= ~(VIA8233_RATEFMT_48K | VIA8233_RATEFMT_STEREO
    635 			| VIA8233_RATEFMT_16BIT);
    636 
    637 		v |= VIA8233_RATEFMT_48K * (p->sample_rate / 20)
    638 			/ (48000 / 20);
    639 		if (p->channels == 2)
    640 			v |= VIA8233_RATEFMT_STEREO;
    641 		if (p->precision == 16)
    642 			v |= VIA8233_RATEFMT_16BIT;
    643 
    644 		CH_WRITE4(sc, ch, VIA8233_RP_RATEFMT, v);
    645 	} else {
    646 		static const u_int32_t slottab[7] =
    647 			{ 0, 0xff000011, 0xff000021, 0,
    648 			  0xff004321, 0, 0xff436521};
    649 
    650 		regval = (p->precision == 16
    651 			? VIA8233_MP_FORMAT_16BIT : VIA8233_MP_FORMAT_8BIT)
    652 			| (p->channels << 4);
    653 		CH_WRITE1(sc, ch, VIA8233_OFF_MP_FORMAT, regval);
    654 		CH_WRITE4(sc, ch, VIA8233_OFF_MP_STOP, slottab[p->channels]);
    655 	}
    656 }
    657 
    658 static int
    659 auvia_set_params(void *addr, int setmode, int usemode,
    660     audio_params_t *play, audio_params_t *rec, stream_filter_list_t *pfil,
    661     stream_filter_list_t *rfil)
    662 {
    663 	struct auvia_softc *sc;
    664 	struct auvia_softc_chan *ch;
    665 	struct audio_params *p;
    666 	struct ac97_codec_if* codec;
    667 	stream_filter_list_t *fil;
    668 	int reg, mode;
    669 	int index;
    670 
    671 	sc = addr;
    672 	codec = sc->codec_if;
    673 	/* for mode in (RECORD, PLAY) */
    674 	for (mode = AUMODE_RECORD; mode != -1;
    675 	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
    676 		if ((setmode & mode) == 0)
    677 			continue;
    678 
    679 		if (mode == AUMODE_PLAY ) {
    680 			p = play;
    681 			ch = &sc->sc_play;
    682 			reg = AC97_REG_PCM_FRONT_DAC_RATE;
    683 			fil = pfil;
    684 		} else {
    685 			p = rec;
    686 			ch = &sc->sc_record;
    687 			reg = AC97_REG_PCM_LR_ADC_RATE;
    688 			fil = rfil;
    689 		}
    690 
    691 		if (p->sample_rate < 4000 || p->sample_rate > 48000 ||
    692 		    (p->precision != 8 && p->precision != 16))
    693 			return (EINVAL);
    694 		if (sc->sc_spdif)
    695 			index = auconv_set_converter(auvia_spdif_formats,
    696 			    AUVIA_SPDIF_NFORMATS, mode, p, TRUE, fil);
    697 		else
    698 			index = auconv_set_converter(sc->sc_formats,
    699 			    AUVIA_NFORMATS, mode, p, TRUE, fil);
    700 		if (index < 0)
    701 			return EINVAL;
    702 		if (fil->req_size > 0)
    703 			p = &fil->filters[0].param;
    704 		if (!AC97_IS_FIXED_RATE(codec)) {
    705 			if (codec->vtbl->set_rate(codec, reg, &p->sample_rate))
    706 				return EINVAL;
    707 			reg = AC97_REG_PCM_SURR_DAC_RATE;
    708 			if (p->channels >= 4
    709 			    && codec->vtbl->set_rate(codec, reg,
    710 						     &p->sample_rate))
    711 				return EINVAL;
    712 			reg = AC97_REG_PCM_LFE_DAC_RATE;
    713 			if (p->channels == 6
    714 			    && codec->vtbl->set_rate(codec, reg,
    715 						     &p->sample_rate))
    716 				return EINVAL;
    717 		}
    718 		auvia_set_params_sub(sc, ch, p);
    719 	}
    720 
    721 	return 0;
    722 }
    723 
    724 static int
    725 auvia_round_blocksize(void *addr, int blk,
    726     int mode, const audio_params_t *param)
    727 {
    728 	struct auvia_softc *sc;
    729 
    730 	sc = addr;
    731 	/* XXX VT823x might have the limitation of dma_ops size */
    732 	if (sc->sc_flags & AUVIA_FLAGS_VT8233 && blk < 288)
    733 		blk = 288;
    734 
    735 	return (blk & -32);
    736 }
    737 
    738 static int
    739 auvia_halt_output(void *addr)
    740 {
    741 	struct auvia_softc *sc;
    742 	struct auvia_softc_chan *ch;
    743 
    744 	sc = addr;
    745 	ch = &(sc->sc_play);
    746 	CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
    747 	ch->sc_intr = NULL;
    748 	return 0;
    749 }
    750 
    751 static int
    752 auvia_halt_input(void *addr)
    753 {
    754 	struct auvia_softc *sc;
    755 	struct auvia_softc_chan *ch;
    756 
    757 	sc = addr;
    758 	ch = &(sc->sc_record);
    759 	CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
    760 	ch->sc_intr = NULL;
    761 	return 0;
    762 }
    763 
    764 static int
    765 auvia_getdev(void *addr, struct audio_device *retp)
    766 {
    767 	struct auvia_softc *sc;
    768 
    769 	if (retp) {
    770 		sc = addr;
    771 		if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
    772 			strncpy(retp->name, "VIA VT823x",
    773 				sizeof(retp->name));
    774 		} else {
    775 			strncpy(retp->name, "VIA VT82C686A",
    776 				sizeof(retp->name));
    777 		}
    778 		strncpy(retp->version, sc->sc_revision, sizeof(retp->version));
    779 		strncpy(retp->config, "auvia", sizeof(retp->config));
    780 	}
    781 
    782 	return 0;
    783 }
    784 
    785 static int
    786 auvia_set_port(void *addr, mixer_ctrl_t *cp)
    787 {
    788 	struct auvia_softc *sc;
    789 
    790 	sc = addr;
    791 	return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
    792 }
    793 
    794 static int
    795 auvia_get_port(void *addr, mixer_ctrl_t *cp)
    796 {
    797 	struct auvia_softc *sc;
    798 
    799 	sc = addr;
    800 	return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp);
    801 }
    802 
    803 static int
    804 auvia_query_devinfo(void *addr, mixer_devinfo_t *dip)
    805 {
    806 	struct auvia_softc *sc;
    807 
    808 	sc = addr;
    809 	return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip);
    810 }
    811 
    812 static void *
    813 auvia_malloc(void *addr, int direction, size_t size,
    814     struct malloc_type * pool, int flags)
    815 {
    816 	struct auvia_softc *sc;
    817 	struct auvia_dma *p;
    818 	int error;
    819 	int rseg;
    820 
    821 	p = malloc(sizeof(*p), pool, flags);
    822 	if (!p)
    823 		return 0;
    824 	sc = addr;
    825 	p->size = size;
    826 	if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg,
    827 				      1, &rseg, BUS_DMA_NOWAIT)) != 0) {
    828 		printf("%s: unable to allocate DMA, error = %d\n",
    829 		       sc->sc_dev.dv_xname, error);
    830 		goto fail_alloc;
    831 	}
    832 
    833 	if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr,
    834 				    BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) {
    835 		printf("%s: unable to map DMA, error = %d\n",
    836 		       sc->sc_dev.dv_xname, error);
    837 		goto fail_map;
    838 	}
    839 
    840 	if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0,
    841 				       BUS_DMA_NOWAIT, &p->map)) != 0) {
    842 		printf("%s: unable to create DMA map, error = %d\n",
    843 		       sc->sc_dev.dv_xname, error);
    844 		goto fail_create;
    845 	}
    846 
    847 	if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL,
    848 				     BUS_DMA_NOWAIT)) != 0) {
    849 		printf("%s: unable to load DMA map, error = %d\n",
    850 		       sc->sc_dev.dv_xname, error);
    851 		goto fail_load;
    852 	}
    853 
    854 	p->next = sc->sc_dmas;
    855 	sc->sc_dmas = p;
    856 
    857 	return p->addr;
    858 
    859 
    860 fail_load:
    861 	bus_dmamap_destroy(sc->sc_dmat, p->map);
    862 fail_create:
    863 	bus_dmamem_unmap(sc->sc_dmat, p->addr, size);
    864 fail_map:
    865 	bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
    866 fail_alloc:
    867 	free(p, pool);
    868 	return NULL;
    869 }
    870 
    871 static void
    872 auvia_free(void *addr, void *ptr, struct malloc_type *pool)
    873 {
    874 	struct auvia_softc *sc;
    875 	struct auvia_dma **pp, *p;
    876 
    877 	sc = addr;
    878 	for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next)
    879 		if (p->addr == ptr) {
    880 			bus_dmamap_unload(sc->sc_dmat, p->map);
    881 			bus_dmamap_destroy(sc->sc_dmat, p->map);
    882 			bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
    883 			bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
    884 
    885 			*pp = p->next;
    886 			free(p, pool);
    887 			return;
    888 		}
    889 
    890 	panic("auvia_free: trying to free unallocated memory");
    891 }
    892 
    893 static size_t
    894 auvia_round_buffersize(void *addr, int direction, size_t size)
    895 {
    896 
    897 	return size;
    898 }
    899 
    900 static paddr_t
    901 auvia_mappage(void *addr, void *mem, off_t off, int prot)
    902 {
    903 	struct auvia_softc *sc;
    904 	struct auvia_dma *p;
    905 
    906 	if (off < 0)
    907 		return -1;
    908 	sc = addr;
    909 	for (p = sc->sc_dmas; p && p->addr != mem; p = p->next)
    910 		continue;
    911 
    912 	if (!p)
    913 		return -1;
    914 
    915 	return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot,
    916 	    BUS_DMA_WAITOK);
    917 }
    918 
    919 static int
    920 auvia_get_props(void *addr)
    921 {
    922 	struct auvia_softc *sc;
    923 	int props;
    924 
    925 	props = AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
    926 	sc = addr;
    927 	/*
    928 	 * Even if the codec is fixed-rate, set_param() succeeds for any sample
    929 	 * rate because of aurateconv.  Applications can't know what rate the
    930 	 * device can process in the case of mmap().
    931 	 */
    932 	if (!AC97_IS_FIXED_RATE(sc->codec_if))
    933 		props |= AUDIO_PROP_MMAP;
    934 	return props;
    935 }
    936 
    937 static int
    938 auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch,
    939 	struct auvia_dma *p, void *start, void *end, int blksize)
    940 {
    941 	struct auvia_dma_op *op;
    942 	struct auvia_dma *dp;
    943 	bus_addr_t s;
    944 	size_t l;
    945 	int segs;
    946 
    947 	s = p->map->dm_segs[0].ds_addr;
    948 	l = ((char *)end - (char *)start);
    949 	segs = (l + blksize - 1) / blksize;
    950 
    951 	if (segs > (ch->sc_dma_op_count)) {
    952 		/* if old list was too small, free it */
    953 		if (ch->sc_dma_ops) {
    954 			auvia_free(sc, ch->sc_dma_ops, M_DEVBUF);
    955 		}
    956 
    957 		ch->sc_dma_ops = auvia_malloc(sc, 0,
    958 			sizeof(struct auvia_dma_op) * segs, M_DEVBUF, M_WAITOK);
    959 
    960 		if (ch->sc_dma_ops == NULL) {
    961 			printf("%s: couldn't build dmaops\n", sc->sc_dev.dv_xname);
    962 			return 1;
    963 		}
    964 
    965 		for (dp = sc->sc_dmas;
    966 		     dp && dp->addr != (void *)(ch->sc_dma_ops);
    967 		     dp = dp->next)
    968 			continue;
    969 
    970 		if (!dp)
    971 			panic("%s: build_dma_ops: where'd my memory go??? "
    972 				"address (%p)\n", sc->sc_dev.dv_xname,
    973 				ch->sc_dma_ops);
    974 
    975 		ch->sc_dma_op_count = segs;
    976 		ch->sc_dma_ops_dma = dp;
    977 	}
    978 
    979 	dp = ch->sc_dma_ops_dma;
    980 	op = ch->sc_dma_ops;
    981 
    982 	while (l) {
    983 		op->ptr = s;
    984 		l = l - blksize;
    985 		if (!l) {
    986 			/* if last block */
    987 			op->flags = AUVIA_DMAOP_EOL | blksize;
    988 		} else {
    989 			op->flags = AUVIA_DMAOP_FLAG | blksize;
    990 		}
    991 		s += blksize;
    992 		op++;
    993 	}
    994 
    995 	return 0;
    996 }
    997 
    998 
    999 static int
   1000 auvia_trigger_output(void *addr, void *start, void *end, int blksize,
   1001     void (*intr)(void *), void *arg, const audio_params_t *param)
   1002 {
   1003 	struct auvia_softc *sc;
   1004 	struct auvia_softc_chan *ch;
   1005 	struct auvia_dma *p;
   1006 
   1007 	sc = addr;
   1008 	ch = &(sc->sc_play);
   1009 	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
   1010 		continue;
   1011 
   1012 	if (!p)
   1013 		panic("auvia_trigger_output: request with bad start "
   1014 			"address (%p)", start);
   1015 
   1016 	if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
   1017 		return 1;
   1018 	}
   1019 
   1020 	ch->sc_intr = intr;
   1021 	ch->sc_arg = arg;
   1022 
   1023 	CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
   1024 		ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
   1025 
   1026 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
   1027 		if (ch->sc_base != VIA8233_MP_BASE) {
   1028 			CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
   1029 			CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
   1030 		}
   1031 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
   1032 			AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
   1033 			AUVIA_RPCTRL_STOP  | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
   1034 	} else {
   1035 		CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
   1036 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
   1037 	}
   1038 
   1039 	return 0;
   1040 }
   1041 
   1042 static int
   1043 auvia_trigger_input(void *addr, void *start, void *end, int blksize,
   1044     void (*intr)(void *), void *arg, const audio_params_t *param)
   1045 {
   1046 	struct auvia_softc *sc;
   1047 	struct auvia_softc_chan *ch;
   1048 	struct auvia_dma *p;
   1049 
   1050 	sc = addr;
   1051 	ch = &(sc->sc_record);
   1052 	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
   1053 		continue;
   1054 
   1055 	if (!p)
   1056 		panic("auvia_trigger_input: request with bad start "
   1057 			"address (%p)", start);
   1058 
   1059 	if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
   1060 		return 1;
   1061 	}
   1062 
   1063 	ch->sc_intr = intr;
   1064 	ch->sc_arg = arg;
   1065 
   1066 	CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
   1067 		  ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
   1068 
   1069 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
   1070 		CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
   1071 		CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
   1072 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
   1073 			AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
   1074 			AUVIA_RPCTRL_STOP  | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
   1075 	} else {
   1076 		CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
   1077 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
   1078 	}
   1079 
   1080 	return 0;
   1081 }
   1082 
   1083 static int
   1084 auvia_intr(void *arg)
   1085 {
   1086 	struct auvia_softc *sc;
   1087 	struct auvia_softc_chan *ch;
   1088 	u_int8_t r;
   1089 	int rval;
   1090 
   1091 	sc = arg;
   1092 	rval = 0;
   1093 
   1094 	ch = &sc->sc_record;
   1095 	r = CH_READ1(sc, ch, AUVIA_RP_STAT);
   1096 	if (r & AUVIA_RPSTAT_INTR) {
   1097 		if (sc->sc_record.sc_intr)
   1098 			sc->sc_record.sc_intr(sc->sc_record.sc_arg);
   1099 
   1100 		/* clear interrupts */
   1101 		CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
   1102 		rval = 1;
   1103 	}
   1104 
   1105 	ch = &sc->sc_play;
   1106 	r = CH_READ1(sc, ch, AUVIA_RP_STAT);
   1107 	if (r & AUVIA_RPSTAT_INTR) {
   1108 		if (sc->sc_play.sc_intr)
   1109 			sc->sc_play.sc_intr(sc->sc_play.sc_arg);
   1110 
   1111 		/* clear interrupts */
   1112 		CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
   1113 		rval = 1;
   1114 	}
   1115 
   1116 	return rval;
   1117 }
   1118 
   1119 static void
   1120 auvia_powerhook(int why, void *addr)
   1121 {
   1122 	struct auvia_softc *sc;
   1123 
   1124 	sc = addr;
   1125 	switch (why) {
   1126 	case PWR_SUSPEND:
   1127 	case PWR_STANDBY:
   1128 		/* Power down */
   1129 		sc->sc_suspend = why;
   1130 		break;
   1131 
   1132 	case PWR_RESUME:
   1133 		/* Wake up */
   1134 		if (sc->sc_suspend == PWR_RESUME) {
   1135 			printf("%s: resume without suspend.\n",
   1136 			    sc->sc_dev.dv_xname);
   1137 			sc->sc_suspend = why;
   1138 			return;
   1139 		}
   1140 		sc->sc_suspend = why;
   1141 		auvia_reset_codec(sc);
   1142 		DELAY(1000);
   1143 		(sc->codec_if->vtbl->restore_ports)(sc->codec_if);
   1144 		break;
   1145 
   1146 	case PWR_SOFTSUSPEND:
   1147 	case PWR_SOFTSTANDBY:
   1148 	case PWR_SOFTRESUME:
   1149 		break;
   1150 	}
   1151 }
   1152