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      1 /*	$NetBSD: auvia.c,v 1.87 2021/02/06 09:45:17 isaki Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2000, 2008 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 1.87 2021/02/06 09:45:17 isaki Exp $");
     44 
     45 #include <sys/param.h>
     46 #include <sys/systm.h>
     47 #include <sys/kmem.h>
     48 #include <sys/device.h>
     49 #include <sys/audioio.h>
     50 
     51 #include <dev/pci/pcidevs.h>
     52 #include <dev/pci/pcivar.h>
     53 
     54 #include <dev/audio/audio_if.h>
     55 
     56 #include <dev/ic/ac97reg.h>
     57 #include <dev/ic/ac97var.h>
     58 
     59 #include <dev/pci/auviavar.h>
     60 
     61 #define	AUVIA_MINBLKSZ		512
     62 
     63 struct auvia_dma {
     64 	struct auvia_dma *next;
     65 	void *addr;
     66 	size_t size;
     67 	bus_dmamap_t map;
     68 	bus_dma_segment_t seg;
     69 };
     70 
     71 struct auvia_dma_op {
     72 	uint32_t ptr;
     73 	uint32_t flags;
     74 #define AUVIA_DMAOP_EOL		0x80000000
     75 #define AUVIA_DMAOP_FLAG	0x40000000
     76 #define AUVIA_DMAOP_STOP	0x20000000
     77 #define AUVIA_DMAOP_COUNT(x)	((x)&0x00FFFFFF)
     78 };
     79 
     80 static int	auvia_match(device_t, cfdata_t, void *);
     81 static void	auvia_attach(device_t, device_t, void *);
     82 static int	auvia_detach(device_t, int);
     83 static void	auvia_childdet(device_t, device_t);
     84 static int	auvia_open(void *, int);
     85 static void	auvia_close(void *);
     86 static int	auvia_query_format(void *, audio_format_query_t *);
     87 static void	auvia_set_format_sub(struct auvia_softc *,
     88 				     struct auvia_softc_chan *,
     89 				     const audio_params_t *);
     90 static int	auvia_set_format(void *, int,
     91 				 const audio_params_t *, const audio_params_t *,
     92 				 audio_filter_reg_t *, audio_filter_reg_t *);
     93 static int	auvia_round_blocksize(void *, int, int, const audio_params_t *);
     94 static int	auvia_halt_output(void *);
     95 static int	auvia_halt_input(void *);
     96 static int	auvia_getdev(void *, struct audio_device *);
     97 static int	auvia_set_port(void *, mixer_ctrl_t *);
     98 static int	auvia_get_port(void *, mixer_ctrl_t *);
     99 static int	auvia_query_devinfo(void *, mixer_devinfo_t *);
    100 static void *	auvia_malloc(void *, int, size_t);
    101 static void	auvia_free(void *, void *, size_t);
    102 static int	auvia_get_props(void *);
    103 static int	auvia_build_dma_ops(struct auvia_softc *,
    104 				    struct auvia_softc_chan *,
    105 				    struct auvia_dma *, void *, void *, int);
    106 static int	auvia_trigger_output(void *, void *, void *, int,
    107 				     void (*)(void *), void *,
    108 				     const audio_params_t *);
    109 static int	auvia_trigger_input(void *, void *, void *, int,
    110 				    void (*)(void *), void *,
    111 				    const audio_params_t *);
    112 static void	auvia_get_locks(void *, kmutex_t **, kmutex_t **);
    113 static bool	auvia_resume(device_t, const pmf_qual_t *);
    114 
    115 static int	auvia_intr(void *);
    116 static void *	auvia_malloc_dmamem(void *, int, size_t);
    117 static int	auvia_malloc_channel(struct auvia_softc *, struct auvia_softc_chan *,
    118 				     size_t);
    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_NEW(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 	.open			= auvia_open,
    210 	.close			= auvia_close,
    211 	.query_format		= auvia_query_format,
    212 	.set_format		= auvia_set_format,
    213 	.round_blocksize	= auvia_round_blocksize,
    214 	.halt_output		= auvia_halt_output,
    215 	.halt_input		= auvia_halt_input,
    216 	.getdev			= auvia_getdev,
    217 	.set_port		= auvia_set_port,
    218 	.get_port		= auvia_get_port,
    219 	.query_devinfo		= auvia_query_devinfo,
    220 	.allocm			= auvia_malloc,
    221 	.freem			= auvia_free,
    222 	.get_props		= auvia_get_props,
    223 	.trigger_output		= auvia_trigger_output,
    224 	.trigger_input		= auvia_trigger_input,
    225 	.get_locks		= auvia_get_locks,
    226 };
    227 
    228 #define AUVIA_FORMATS_4CH	2
    229 #define AUVIA_FORMATS_6CH	3
    230 #define AUVIA_FORMAT(aumode, ch, chmask) \
    231 	{ \
    232 		.mode		= (aumode), \
    233 		.encoding	= AUDIO_ENCODING_SLINEAR_LE, \
    234 		.validbits	= 16, \
    235 		.precision	= 16, \
    236 		.channels	= (ch), \
    237 		.channel_mask	= (chmask), \
    238 		.frequency_type	= 0, \
    239 		.frequency	= { 4000, 48000 }, \
    240 	}
    241 static const struct audio_format auvia_formats[AUVIA_NFORMATS] = {
    242 	AUVIA_FORMAT(AUMODE_PLAY | AUMODE_RECORD, 1, AUFMT_MONAURAL),
    243 	AUVIA_FORMAT(AUMODE_PLAY | AUMODE_RECORD, 2, AUFMT_STEREO),
    244 	AUVIA_FORMAT(AUMODE_PLAY                , 4, AUFMT_SURROUND4),
    245 	AUVIA_FORMAT(AUMODE_PLAY                , 6, AUFMT_DOLBY_5_1),
    246 };
    247 
    248 #define	AUVIA_SPDIF_NFORMATS	1
    249 static const struct audio_format auvia_spdif_formats[AUVIA_SPDIF_NFORMATS] = {
    250 	{
    251 		.mode		= AUMODE_PLAY,
    252 		.encoding	= AUDIO_ENCODING_SLINEAR_LE,
    253 		.validbits	= 16,
    254 		.precision	= 16,
    255 		.channels	= 2,
    256 		.channel_mask	= AUFMT_STEREO,
    257 		.frequency_type	= 1,
    258 		.frequency	= { 48000 },
    259 	},
    260 };
    261 
    262 
    263 static int
    264 auvia_match(device_t parent, cfdata_t match, void *aux)
    265 {
    266 	struct pci_attach_args *pa;
    267 
    268 	pa = (struct pci_attach_args *) aux;
    269 	if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_VIATECH)
    270 		return 0;
    271 	switch (PCI_PRODUCT(pa->pa_id)) {
    272 	case PCI_PRODUCT_VIATECH_VT82C686A_AC97:
    273 	case PCI_PRODUCT_VIATECH_VT8233_AC97:
    274 		break;
    275 	default:
    276 		return 0;
    277 	}
    278 
    279 	return 1;
    280 }
    281 
    282 static void
    283 auvia_childdet(device_t self, device_t child)
    284 {
    285 	/* we hold no child references, so do nothing */
    286 }
    287 
    288 static int
    289 auvia_detach(device_t self, int flags)
    290 {
    291 	int rc;
    292 	struct auvia_softc *sc = device_private(self);
    293 
    294 	if ((rc = config_detach_children(self, flags)) != 0)
    295 		return rc;
    296 	pmf_device_deregister(self);
    297 
    298 	mutex_enter(&sc->sc_lock);
    299 	if (sc->codec_if != NULL)
    300 		sc->codec_if->vtbl->detach(sc->codec_if);
    301 	mutex_exit(&sc->sc_lock);
    302 
    303 	/* XXX restore compatibility? */
    304 	if (sc->sc_ih != NULL)
    305 		pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
    306 
    307 	bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    308 	if (sc->sc_play.sc_dma_ops != NULL) {
    309 		auvia_free(sc, sc->sc_play.sc_dma_ops,
    310 		    sc->sc_play.sc_dma_op_count *
    311 		    sizeof(struct auvia_dma_op));
    312 	}
    313 	if (sc->sc_record.sc_dma_ops != NULL) {
    314 		auvia_free(sc, sc->sc_record.sc_dma_ops,
    315 		    sc->sc_play.sc_dma_op_count *
    316 		    sizeof(struct auvia_dma_op));
    317 	}
    318 	mutex_destroy(&sc->sc_lock);
    319 	mutex_destroy(&sc->sc_intr_lock);
    320 
    321 	return 0;
    322 }
    323 
    324 static void
    325 auvia_attach(device_t parent, device_t self, void *aux)
    326 {
    327 	struct pci_attach_args *pa;
    328 	struct auvia_softc *sc;
    329 	const char *intrstr;
    330 	pci_chipset_tag_t pc;
    331 	pcitag_t pt;
    332 	pci_intr_handle_t ih;
    333 	pcireg_t pr;
    334 	int r;
    335 	const char *revnum;	/* VT823xx revision number */
    336 	char intrbuf[PCI_INTRSTR_LEN];
    337 
    338 	pa = aux;
    339 	sc = device_private(self);
    340 	sc->sc_dev = 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 		sc->sc_record.sc_base = VIA8233_WR_BASE;
    354 	}
    355 
    356 	if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot,
    357 		&sc->sc_ioh, NULL, &sc->sc_iosize)) {
    358 		aprint_error(": can't map i/o space\n");
    359 		return;
    360 	}
    361 
    362 	sc->sc_dmat = pa->pa_dmat;
    363 	sc->sc_pc = pc;
    364 	sc->sc_pt = pt;
    365 
    366 	r = PCI_REVISION(pa->pa_class);
    367 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
    368 		snprintf(sc->sc_revision, sizeof(sc->sc_revision), "0x%02X", r);
    369 		switch(r) {
    370 		case VIA_REV_8233PRE:
    371 			/* same as 8233, but should not be in the market */
    372 			revnum = "3-Pre";
    373 			break;
    374 		case VIA_REV_8233C:
    375 			/* 2 rec, 4 pb, 1 multi-pb */
    376 			revnum = "3C";
    377 			break;
    378 		case VIA_REV_8233:
    379 			/* 2 rec, 4 pb, 1 multi-pb, spdif */
    380 			revnum = "3";
    381 			break;
    382 		case VIA_REV_8233A:
    383 			/* 1 rec, 1 multi-pb, spdif */
    384 			revnum = "3A";
    385 			break;
    386 		default:
    387 			break;
    388 		}
    389 		if (r >= VIA_REV_8237)
    390 			revnum = "7";
    391 		else if (r >= VIA_REV_8235) /* 2 rec, 4 pb, 1 multi-pb, spdif */
    392 			revnum = "5";
    393 		aprint_normal(": VIA Technologies VT823%s AC'97 Audio "
    394 		    "(rev %s)\n", revnum, sc->sc_revision);
    395 	} else {
    396 		sc->sc_revision[1] = '\0';
    397 		if (r == 0x20) {
    398 			sc->sc_revision[0] = 'H';
    399 		} else if ((r >= 0x10) && (r <= 0x14)) {
    400 			sc->sc_revision[0] = 'A' + (r - 0x10);
    401 		} else {
    402 			snprintf(sc->sc_revision, sizeof(sc->sc_revision),
    403 			    "0x%02X", r);
    404 		}
    405 
    406 		aprint_normal(": VIA Technologies VT82C686A AC'97 Audio "
    407 		    "(rev %s)\n", sc->sc_revision);
    408 	}
    409 
    410 	if (pci_intr_map(pa, &ih)) {
    411 		aprint_error(": couldn't map interrupt\n");
    412 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    413 		return;
    414 	}
    415 	intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf));
    416 
    417 	mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
    418 	mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
    419 
    420 	sc->sc_ih = pci_intr_establish_xname(pc, ih, IPL_AUDIO, auvia_intr, sc,
    421 	    device_xname(self));
    422 	if (sc->sc_ih == NULL) {
    423 		aprint_error_dev(sc->sc_dev, "couldn't establish interrupt");
    424 		if (intrstr != NULL)
    425 			aprint_error(" at %s", intrstr);
    426 		aprint_error("\n");
    427 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    428 		mutex_destroy(&sc->sc_lock);
    429 		mutex_destroy(&sc->sc_intr_lock);
    430 		return;
    431 	}
    432 
    433 	aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr);
    434 
    435 	/* disable SBPro compat & others */
    436 	pr = pci_conf_read(pc, pt, AUVIA_PCICONF_JUNK);
    437 
    438 	pr &= ~AUVIA_PCICONF_ENABLES; /* clear compat function enables */
    439 	/* XXX what to do about MIDI, FM, joystick? */
    440 
    441 	pr |= (AUVIA_PCICONF_ACLINKENAB | AUVIA_PCICONF_ACNOTRST
    442 		| AUVIA_PCICONF_ACVSR | AUVIA_PCICONF_ACSGD);
    443 
    444 	pr &= ~(AUVIA_PCICONF_ACFM | AUVIA_PCICONF_ACSB);
    445 
    446 	pci_conf_write(pc, pt, AUVIA_PCICONF_JUNK, pr);
    447 
    448 	sc->host_if.arg = sc;
    449 	sc->host_if.attach = auvia_attach_codec;
    450 	sc->host_if.read = auvia_read_codec;
    451 	sc->host_if.write = auvia_write_codec;
    452 	sc->host_if.reset = auvia_reset_codec;
    453 	sc->host_if.spdif_event = auvia_spdif_event;
    454 
    455 	if ((r = ac97_attach(&sc->host_if, self, &sc->sc_lock)) != 0) {
    456 		aprint_error_dev(sc->sc_dev, "can't attach codec (error 0x%X)\n", r);
    457 		pci_intr_disestablish(pc, sc->sc_ih);
    458 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    459 		mutex_destroy(&sc->sc_lock);
    460 		mutex_destroy(&sc->sc_intr_lock);
    461 		return;
    462 	}
    463 
    464 	/* setup audio_format */
    465 	memcpy(sc->sc_formats, auvia_formats, sizeof(auvia_formats));
    466 	mutex_enter(&sc->sc_lock);
    467 	if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_4CH(sc->codec_if)) {
    468 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_4CH]);
    469 	}
    470 	if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_6CH(sc->codec_if)) {
    471 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_6CH]);
    472 	}
    473 	if (AC97_IS_FIXED_RATE(sc->codec_if)) {
    474 		for (r = 0; r < AUVIA_NFORMATS; r++) {
    475 			sc->sc_formats[r].frequency_type = 1;
    476 			sc->sc_formats[r].frequency[0] = 48000;
    477 		}
    478 	}
    479 	mutex_exit(&sc->sc_lock);
    480 
    481 	if (!pmf_device_register(self, NULL, auvia_resume))
    482 		aprint_error_dev(self, "couldn't establish power handler\n");
    483 
    484 	audio_attach_mi(&auvia_hw_if, sc, sc->sc_dev);
    485 	mutex_enter(&sc->sc_lock);
    486 	sc->codec_if->vtbl->unlock(sc->codec_if);
    487 	mutex_exit(&sc->sc_lock);
    488 	return;
    489 }
    490 
    491 static int
    492 auvia_attach_codec(void *addr, struct ac97_codec_if *cif)
    493 {
    494 	struct auvia_softc *sc;
    495 
    496 	sc = addr;
    497 	sc->codec_if = cif;
    498 	return 0;
    499 }
    500 
    501 static int
    502 auvia_reset_codec(void *addr)
    503 {
    504 	struct auvia_softc *sc;
    505 	pcireg_t r;
    506 	int i;
    507 
    508 	/* perform a codec cold reset */
    509 	sc = addr;
    510 	r = pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK);
    511 
    512 	r &= ~AUVIA_PCICONF_ACNOTRST;	/* enable RESET (active low) */
    513 	pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
    514 	delay(2);
    515 
    516 	r |= AUVIA_PCICONF_ACNOTRST;	/* disable RESET (inactive high) */
    517 	pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
    518 	delay(200);
    519 
    520 	for (i = 500000; i != 0 && !(pci_conf_read(sc->sc_pc, sc->sc_pt,
    521 		AUVIA_PCICONF_JUNK) & AUVIA_PCICONF_PRIVALID); i--)
    522 		DELAY(1);
    523 	if (i == 0) {
    524 		printf("%s: codec reset timed out\n", device_xname(sc->sc_dev));
    525 		return ETIMEDOUT;
    526 	}
    527 	return 0;
    528 }
    529 
    530 static int
    531 auvia_waitready_codec(struct auvia_softc *sc)
    532 {
    533 	int i;
    534 
    535 	/* poll until codec not busy */
    536 	for (i = 0; (i < TIMEOUT) && (bus_space_read_4(sc->sc_iot, sc->sc_ioh,
    537 		AUVIA_CODEC_CTL) & AUVIA_CODEC_BUSY); i++)
    538 		delay(1);
    539 	if (i >= TIMEOUT) {
    540 		printf("%s: codec busy\n", device_xname(sc->sc_dev));
    541 		return 1;
    542 	}
    543 
    544 	return 0;
    545 }
    546 
    547 static int
    548 auvia_waitvalid_codec(struct auvia_softc *sc)
    549 {
    550 	int i;
    551 
    552 	/* poll until codec valid */
    553 	for (i = 0; (i < TIMEOUT) && !(bus_space_read_4(sc->sc_iot, sc->sc_ioh,
    554 		AUVIA_CODEC_CTL) & AUVIA_CODEC_PRIVALID); i++)
    555 			delay(1);
    556 	if (i >= TIMEOUT) {
    557 		printf("%s: codec invalid\n", device_xname(sc->sc_dev));
    558 		return 1;
    559 	}
    560 
    561 	return 0;
    562 }
    563 
    564 static int
    565 auvia_write_codec(void *addr, u_int8_t reg, u_int16_t val)
    566 {
    567 	struct auvia_softc *sc;
    568 
    569 	sc = addr;
    570 	if (auvia_waitready_codec(sc))
    571 		return 1;
    572 
    573 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
    574 		AUVIA_CODEC_PRIVALID | AUVIA_CODEC_INDEX(reg) | val);
    575 
    576 	return 0;
    577 }
    578 
    579 static int
    580 auvia_read_codec(void *addr, u_int8_t reg, u_int16_t *val)
    581 {
    582 	struct auvia_softc *sc;
    583 
    584 	sc = addr;
    585 	if (auvia_waitready_codec(sc))
    586 		return 1;
    587 
    588 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
    589 		AUVIA_CODEC_PRIVALID | AUVIA_CODEC_READ | AUVIA_CODEC_INDEX(reg));
    590 
    591 	if (auvia_waitready_codec(sc))
    592 		return 1;
    593 
    594 	if (auvia_waitvalid_codec(sc))
    595 		return 1;
    596 
    597 	*val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL);
    598 
    599 	return 0;
    600 }
    601 
    602 static void
    603 auvia_spdif_event(void *addr, bool flag)
    604 {
    605 	struct auvia_softc *sc;
    606 
    607 	sc = addr;
    608 	sc->sc_spdif = flag;
    609 }
    610 
    611 static int
    612 auvia_open(void *addr, int flags)
    613 {
    614 	struct auvia_softc *sc;
    615 
    616 	sc = (struct auvia_softc *)addr;
    617 	sc->codec_if->vtbl->lock(sc->codec_if);
    618 	return 0;
    619 }
    620 
    621 static void
    622 auvia_close(void *addr)
    623 {
    624 	struct auvia_softc *sc;
    625 
    626 	sc = (struct auvia_softc *)addr;
    627 	sc->codec_if->vtbl->unlock(sc->codec_if);
    628 }
    629 
    630 static int
    631 auvia_query_format(void *addr, audio_format_query_t *afp)
    632 {
    633 	struct auvia_softc *sc;
    634 
    635 	sc = (struct auvia_softc *)addr;
    636 	if (sc->sc_spdif) {
    637 		return audio_query_format(auvia_spdif_formats,
    638 		    AUVIA_SPDIF_NFORMATS, afp);
    639 	} else {
    640 		return audio_query_format(sc->sc_formats,
    641 		    AUVIA_NFORMATS, afp);
    642 	}
    643 }
    644 
    645 static void
    646 auvia_set_format_sub(struct auvia_softc *sc, struct auvia_softc_chan *ch,
    647 		     const audio_params_t *p)
    648 {
    649 	uint32_t v;
    650 	uint16_t regval;
    651 
    652 	if (!(sc->sc_flags & AUVIA_FLAGS_VT8233)) {
    653 		regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0)
    654 			| (p->precision  == 16 ?
    655 				AUVIA_RPMODE_16BIT : 0)
    656 			| AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL
    657 			| AUVIA_RPMODE_AUTOSTART;
    658 		ch->sc_reg = regval;
    659 	} else if (ch->sc_base != VIA8233_MP_BASE) {
    660 		v = CH_READ4(sc, ch, VIA8233_RP_RATEFMT);
    661 		v &= ~(VIA8233_RATEFMT_48K | VIA8233_RATEFMT_STEREO
    662 			| VIA8233_RATEFMT_16BIT);
    663 
    664 		v |= VIA8233_RATEFMT_48K * (p->sample_rate / 20)
    665 			/ (48000 / 20);
    666 		if (p->channels == 2)
    667 			v |= VIA8233_RATEFMT_STEREO;
    668 		if (p->precision == 16)
    669 			v |= VIA8233_RATEFMT_16BIT;
    670 
    671 		CH_WRITE4(sc, ch, VIA8233_RP_RATEFMT, v);
    672 	} else {
    673 		static const u_int32_t slottab[7] =
    674 			{ 0, 0xff000011, 0xff000021, 0,
    675 			  0xff004321, 0, 0xff436521};
    676 
    677 		regval = (p->precision == 16
    678 			? VIA8233_MP_FORMAT_16BIT : VIA8233_MP_FORMAT_8BIT)
    679 			| (p->channels << 4);
    680 		CH_WRITE1(sc, ch, VIA8233_OFF_MP_FORMAT, regval);
    681 		CH_WRITE4(sc, ch, VIA8233_OFF_MP_STOP, slottab[p->channels]);
    682 	}
    683 }
    684 
    685 static int
    686 auvia_set_format(void *addr, int setmode,
    687     const audio_params_t *play, const audio_params_t *rec,
    688     audio_filter_reg_t *pfil, audio_filter_reg_t *rfil)
    689 {
    690 	struct auvia_softc *sc;
    691 	struct auvia_softc_chan *ch;
    692 	const struct audio_params *p;
    693 	struct ac97_codec_if* codec;
    694 	int reg, mode;
    695 	int rate;
    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 		} else {
    710 			p = rec;
    711 			ch = &sc->sc_record;
    712 			reg = AC97_REG_PCM_LR_ADC_RATE;
    713 		}
    714 
    715 		if (!AC97_IS_FIXED_RATE(codec)) {
    716 			rate = p->sample_rate;
    717 			if (codec->vtbl->set_rate(codec, reg, &rate))
    718 				return EINVAL;
    719 			reg = AC97_REG_PCM_SURR_DAC_RATE;
    720 			rate = p->sample_rate;
    721 			if (p->channels >= 4
    722 			    && codec->vtbl->set_rate(codec, reg, &rate))
    723 				return EINVAL;
    724 			reg = AC97_REG_PCM_LFE_DAC_RATE;
    725 			rate = p->sample_rate;
    726 			if (p->channels == 6
    727 			    && codec->vtbl->set_rate(codec, reg, &rate))
    728 				return EINVAL;
    729 		}
    730 		auvia_set_format_sub(sc, ch, p);
    731 	}
    732 
    733 	return 0;
    734 }
    735 
    736 static int
    737 auvia_round_blocksize(void *addr, int blk,
    738     int mode, const audio_params_t *param)
    739 {
    740 	struct auvia_softc *sc;
    741 
    742 	sc = addr;
    743 
    744 	/* XXX VT823x might have the limitation of dma_ops size */
    745 	if (sc->sc_flags & AUVIA_FLAGS_VT8233 && blk < 288)
    746 		blk = 288;
    747 
    748 	blk = (blk & -32);
    749 	if (blk < 32)
    750 		blk = 32;
    751 	return blk;
    752 }
    753 
    754 static int
    755 auvia_halt_output(void *addr)
    756 {
    757 	struct auvia_softc *sc;
    758 	struct auvia_softc_chan *ch;
    759 
    760 	sc = addr;
    761 	ch = &(sc->sc_play);
    762 	CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
    763 	ch->sc_intr = NULL;
    764 	return 0;
    765 }
    766 
    767 static int
    768 auvia_halt_input(void *addr)
    769 {
    770 	struct auvia_softc *sc;
    771 	struct auvia_softc_chan *ch;
    772 
    773 	sc = addr;
    774 	ch = &(sc->sc_record);
    775 	CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
    776 	ch->sc_intr = NULL;
    777 	return 0;
    778 }
    779 
    780 static int
    781 auvia_getdev(void *addr, struct audio_device *retp)
    782 {
    783 	struct auvia_softc *sc;
    784 
    785 	if (retp) {
    786 		sc = addr;
    787 		if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
    788 			strncpy(retp->name, "VIA VT823x",
    789 				sizeof(retp->name));
    790 		} else {
    791 			strncpy(retp->name, "VIA VT82C686A",
    792 				sizeof(retp->name));
    793 		}
    794 		strncpy(retp->version, sc->sc_revision, sizeof(retp->version));
    795 		strncpy(retp->config, "auvia", sizeof(retp->config));
    796 	}
    797 
    798 	return 0;
    799 }
    800 
    801 static int
    802 auvia_set_port(void *addr, mixer_ctrl_t *cp)
    803 {
    804 	struct auvia_softc *sc;
    805 
    806 	sc = addr;
    807 	return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
    808 }
    809 
    810 static int
    811 auvia_get_port(void *addr, mixer_ctrl_t *cp)
    812 {
    813 	struct auvia_softc *sc;
    814 
    815 	sc = addr;
    816 	return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp);
    817 }
    818 
    819 static int
    820 auvia_query_devinfo(void *addr, mixer_devinfo_t *dip)
    821 {
    822 	struct auvia_softc *sc;
    823 
    824 	sc = addr;
    825 	return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip);
    826 }
    827 
    828 static int
    829 auvia_malloc_channel(struct auvia_softc *sc, struct auvia_softc_chan *ch,
    830 		     size_t size)
    831 {
    832 	struct auvia_dma *dp;
    833 	int segs;
    834 
    835 	/* if old list is large enough, nothing to do */
    836 	segs = (size + AUVIA_MINBLKSZ - 1) / AUVIA_MINBLKSZ;
    837 	if (segs <= ch->sc_dma_op_count) {
    838 		return 0;
    839 	}
    840 
    841 	if (ch->sc_dma_ops) {
    842 		auvia_free(sc, ch->sc_dma_ops,
    843 		    ch->sc_dma_op_count * sizeof(*dp));
    844 	}
    845 
    846 	ch->sc_dma_ops = auvia_malloc_dmamem(sc, 0,
    847 	    sizeof(struct auvia_dma_op) * segs);
    848 
    849 	if (ch->sc_dma_ops == NULL) {
    850 		aprint_error_dev(sc->sc_dev, "couldn't build dmaops\n");
    851 		return ENOMEM;
    852 	}
    853 
    854 	for (dp = sc->sc_dmas;
    855 	    dp && dp->addr != (void *)(ch->sc_dma_ops);
    856 	    dp = dp->next)
    857 		continue;
    858 
    859 	if (!dp)
    860 		panic("%s: build_dma_ops: where'd my memory go??? "
    861 			"address (%p)\n", device_xname(sc->sc_dev),
    862 			ch->sc_dma_ops);
    863 
    864 	ch->sc_dma_op_count = segs;
    865 	ch->sc_dma_ops_dma = dp;
    866 
    867 	return 0;
    868 }
    869 
    870 static void *
    871 auvia_malloc_dmamem(void *addr, int direction, size_t size)
    872 {
    873 	struct auvia_softc *sc;
    874 	struct auvia_dma *p;
    875 	int error;
    876 	int rseg;
    877 
    878 	p = kmem_alloc(sizeof(*p), KM_SLEEP);
    879 	sc = addr;
    880 	p->size = size;
    881 	if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg,
    882 				      1, &rseg, BUS_DMA_WAITOK)) != 0) {
    883 		aprint_error_dev(sc->sc_dev, "unable to allocate DMA, error = %d\n", error);
    884 		goto fail_alloc;
    885 	}
    886 
    887 	if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr,
    888 				    BUS_DMA_WAITOK | BUS_DMA_COHERENT)) != 0) {
    889 		aprint_error_dev(sc->sc_dev, "unable to map DMA, error = %d\n",
    890 		       error);
    891 		goto fail_map;
    892 	}
    893 
    894 	if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0,
    895 				       BUS_DMA_WAITOK, &p->map)) != 0) {
    896 		aprint_error_dev(sc->sc_dev, "unable to create DMA map, error = %d\n",
    897 		       error);
    898 		goto fail_create;
    899 	}
    900 
    901 	if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL,
    902 				     BUS_DMA_WAITOK)) != 0) {
    903 		aprint_error_dev(sc->sc_dev, "unable to load DMA map, error = %d\n",
    904 		       error);
    905 		goto fail_load;
    906 	}
    907 
    908 	p->next = sc->sc_dmas;
    909 	sc->sc_dmas = p;
    910 
    911 	return p->addr;
    912 
    913 fail_load:
    914 	bus_dmamap_destroy(sc->sc_dmat, p->map);
    915 fail_create:
    916 	bus_dmamem_unmap(sc->sc_dmat, p->addr, size);
    917 fail_map:
    918 	bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
    919 fail_alloc:
    920 	kmem_free(p, sizeof(*p));
    921 	return NULL;
    922 }
    923 
    924 static void *
    925 auvia_malloc(void *addr, int direction, size_t size)
    926 {
    927 	struct auvia_softc *sc;
    928 	void *p;
    929 
    930 	sc = addr;
    931 
    932 	p = auvia_malloc_dmamem(addr, direction, size);
    933 	if (p == NULL) {
    934 		return NULL;
    935 	}
    936 	if (auvia_malloc_channel(sc, &sc->sc_play, size) != 0) {
    937 		auvia_free(addr, p, size);
    938 		return NULL;
    939 	}
    940 	if (auvia_malloc_channel(sc, &sc->sc_record, size) != 0) {
    941 		auvia_free(addr, p, size);
    942 		return NULL;
    943 	}
    944 	return p;
    945 }
    946 
    947 static void
    948 auvia_free(void *addr, void *ptr, size_t size)
    949 {
    950 	struct auvia_softc *sc;
    951 	struct auvia_dma **pp, *p;
    952 
    953 	sc = addr;
    954 	for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next)
    955 		if (p->addr == ptr) {
    956 			bus_dmamap_unload(sc->sc_dmat, p->map);
    957 			bus_dmamap_destroy(sc->sc_dmat, p->map);
    958 			bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
    959 			bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
    960 
    961 			*pp = p->next;
    962 			kmem_free(p, sizeof(*p));
    963 			return;
    964 		}
    965 
    966 	panic("auvia_free: trying to free unallocated memory");
    967 }
    968 
    969 static int
    970 auvia_get_props(void *addr)
    971 {
    972 
    973 	return AUDIO_PROP_PLAYBACK | AUDIO_PROP_CAPTURE |
    974 	    AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
    975 }
    976 
    977 static void
    978 auvia_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread)
    979 {
    980 	struct auvia_softc *sc;
    981 
    982 	sc = addr;
    983 	*intr = &sc->sc_intr_lock;
    984 	*thread = &sc->sc_lock;
    985 }
    986 
    987 static int
    988 auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch,
    989 	struct auvia_dma *p, void *start, void *end, int blksize)
    990 {
    991 	struct auvia_dma_op *op;
    992 	bus_addr_t s;
    993 	size_t l;
    994 
    995 	op = ch->sc_dma_ops;
    996 	s = p->map->dm_segs[0].ds_addr;
    997 	l = ((char *)end - (char *)start);
    998 
    999 	while (l) {
   1000 		op->ptr = htole32(s);
   1001 		l = l - blksize;
   1002 		if (!l) {
   1003 			/* if last block */
   1004 			op->flags = htole32(AUVIA_DMAOP_EOL | blksize);
   1005 		} else {
   1006 			op->flags = htole32(AUVIA_DMAOP_FLAG | blksize);
   1007 		}
   1008 		s += blksize;
   1009 		op++;
   1010 	}
   1011 
   1012 	return 0;
   1013 }
   1014 
   1015 
   1016 static int
   1017 auvia_trigger_output(void *addr, void *start, void *end, int blksize,
   1018     void (*intr)(void *), void *arg, const audio_params_t *param)
   1019 {
   1020 	struct auvia_softc *sc;
   1021 	struct auvia_softc_chan *ch;
   1022 	struct auvia_dma *p;
   1023 
   1024 	sc = addr;
   1025 	ch = &(sc->sc_play);
   1026 	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
   1027 		continue;
   1028 
   1029 	if (!p)
   1030 		panic("auvia_trigger_output: request with bad start "
   1031 			"address (%p)", start);
   1032 
   1033 	if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
   1034 		return 1;
   1035 	}
   1036 
   1037 	ch->sc_intr = intr;
   1038 	ch->sc_arg = arg;
   1039 
   1040 	CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
   1041 		ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
   1042 
   1043 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
   1044 		if (ch->sc_base != VIA8233_MP_BASE) {
   1045 			CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
   1046 			CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
   1047 		}
   1048 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
   1049 			AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
   1050 			AUVIA_RPCTRL_STOP  | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
   1051 	} else {
   1052 		CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
   1053 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
   1054 	}
   1055 
   1056 	return 0;
   1057 }
   1058 
   1059 static int
   1060 auvia_trigger_input(void *addr, void *start, void *end, int blksize,
   1061     void (*intr)(void *), void *arg, const audio_params_t *param)
   1062 {
   1063 	struct auvia_softc *sc;
   1064 	struct auvia_softc_chan *ch;
   1065 	struct auvia_dma *p;
   1066 
   1067 	sc = addr;
   1068 	ch = &(sc->sc_record);
   1069 	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
   1070 		continue;
   1071 
   1072 	if (!p)
   1073 		panic("auvia_trigger_input: request with bad start "
   1074 			"address (%p)", start);
   1075 
   1076 	if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
   1077 		return 1;
   1078 	}
   1079 
   1080 	ch->sc_intr = intr;
   1081 	ch->sc_arg = arg;
   1082 
   1083 	CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
   1084 		  ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
   1085 
   1086 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
   1087 		CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
   1088 		CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
   1089 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
   1090 			AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
   1091 			AUVIA_RPCTRL_STOP  | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
   1092 	} else {
   1093 		CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
   1094 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
   1095 	}
   1096 
   1097 	return 0;
   1098 }
   1099 
   1100 static int
   1101 auvia_intr(void *arg)
   1102 {
   1103 	struct auvia_softc *sc;
   1104 	struct auvia_softc_chan *ch;
   1105 	u_int8_t r;
   1106 	int rval;
   1107 
   1108 	sc = arg;
   1109 	rval = 0;
   1110 	ch = &sc->sc_record;
   1111 
   1112 	mutex_spin_enter(&sc->sc_intr_lock);
   1113 	r = CH_READ1(sc, ch, AUVIA_RP_STAT);
   1114 	if (r & AUVIA_RPSTAT_INTR) {
   1115 		if (sc->sc_record.sc_intr)
   1116 			sc->sc_record.sc_intr(sc->sc_record.sc_arg);
   1117 
   1118 		/* clear interrupts */
   1119 		CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
   1120 		rval = 1;
   1121 	}
   1122 
   1123 	ch = &sc->sc_play;
   1124 	r = CH_READ1(sc, ch, AUVIA_RP_STAT);
   1125 	if (r & AUVIA_RPSTAT_INTR) {
   1126 		if (sc->sc_play.sc_intr)
   1127 			sc->sc_play.sc_intr(sc->sc_play.sc_arg);
   1128 
   1129 		/* clear interrupts */
   1130 		CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
   1131 		rval = 1;
   1132 	}
   1133 	mutex_spin_exit(&sc->sc_intr_lock);
   1134 
   1135 	return rval;
   1136 }
   1137 
   1138 static bool
   1139 auvia_resume(device_t dv, const pmf_qual_t *qual)
   1140 {
   1141 	struct auvia_softc *sc = device_private(dv);
   1142 
   1143 	mutex_enter(&sc->sc_lock);
   1144 	mutex_spin_enter(&sc->sc_intr_lock);
   1145 	auvia_reset_codec(sc);
   1146 	DELAY(1000);
   1147 	mutex_spin_exit(&sc->sc_intr_lock);
   1148 	(sc->codec_if->vtbl->restore_ports)(sc->codec_if);
   1149 	mutex_exit(&sc->sc_lock);
   1150 
   1151 	return true;
   1152 }
   1153