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auvia.c revision 1.62
      1 /*	$NetBSD: auvia.c,v 1.62 2008/01/14 06:32:10 tsutsui 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 1.62 2008/01/14 06:32:10 tsutsui 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(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 bool	auvia_resume(device_t);
    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 *, bool);
    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	AUVIA_CODEC_CTL			0x80
    195 #define		AUVIA_CODEC_READ		0x00800000
    196 #define		AUVIA_CODEC_BUSY		0x01000000
    197 #define		AUVIA_CODEC_PRIVALID		0x02000000
    198 #define		AUVIA_CODEC_INDEX(x)		((x)<<16)
    199 
    200 #define CH_WRITE1(sc, ch, off, v)	\
    201 	bus_space_write_1((sc)->sc_iot,	(sc)->sc_ioh, (ch)->sc_base + (off), v)
    202 #define CH_WRITE4(sc, ch, off, v)	\
    203 	bus_space_write_4((sc)->sc_iot,	(sc)->sc_ioh, (ch)->sc_base + (off), v)
    204 #define CH_READ1(sc, ch, off)		\
    205 	bus_space_read_1((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off))
    206 #define CH_READ4(sc, ch, off)		\
    207 	bus_space_read_4((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off))
    208 
    209 #define TIMEOUT	50
    210 
    211 static const struct audio_hw_if auvia_hw_if = {
    212 	auvia_open,
    213 	auvia_close,
    214 	NULL, /* drain */
    215 	auvia_query_encoding,
    216 	auvia_set_params,
    217 	auvia_round_blocksize,
    218 	NULL, /* commit_settings */
    219 	NULL, /* init_output */
    220 	NULL, /* init_input */
    221 	NULL, /* start_output */
    222 	NULL, /* start_input */
    223 	auvia_halt_output,
    224 	auvia_halt_input,
    225 	NULL, /* speaker_ctl */
    226 	auvia_getdev,
    227 	NULL, /* setfd */
    228 	auvia_set_port,
    229 	auvia_get_port,
    230 	auvia_query_devinfo,
    231 	auvia_malloc,
    232 	auvia_free,
    233 	auvia_round_buffersize,
    234 	auvia_mappage,
    235 	auvia_get_props,
    236 	auvia_trigger_output,
    237 	auvia_trigger_input,
    238 	NULL, /* dev_ioctl */
    239 	NULL, /* powerstate */
    240 };
    241 
    242 #define AUVIA_FORMATS_4CH_16	2
    243 #define AUVIA_FORMATS_6CH_16	3
    244 #define AUVIA_FORMATS_4CH_8	6
    245 #define AUVIA_FORMATS_6CH_8	7
    246 static const struct audio_format auvia_formats[AUVIA_NFORMATS] = {
    247 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    248 	 1, AUFMT_MONAURAL, 0, {8000, 48000}},
    249 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    250 	 2, AUFMT_STEREO, 0, {8000, 48000}},
    251 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    252 	 4, AUFMT_SURROUND4, 0, {8000, 48000}},
    253 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    254 	 6, AUFMT_DOLBY_5_1, 0, {8000, 48000}},
    255 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    256 	 1, AUFMT_MONAURAL, 0, {8000, 48000}},
    257 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    258 	 2, AUFMT_STEREO, 0, {8000, 48000}},
    259 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    260 	 4, AUFMT_SURROUND4, 0, {8000, 48000}},
    261 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 8, 8,
    262 	 6, AUFMT_DOLBY_5_1, 0, {8000, 48000}},
    263 };
    264 
    265 #define	AUVIA_SPDIF_NFORMATS	1
    266 static const struct audio_format auvia_spdif_formats[AUVIA_SPDIF_NFORMATS] = {
    267 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    268 	 2, AUFMT_STEREO, 1, {48000}},
    269 };
    270 
    271 
    272 static int
    273 auvia_match(struct device *parent, struct cfdata *match,
    274     void *aux)
    275 {
    276 	struct pci_attach_args *pa;
    277 
    278 	pa = (struct pci_attach_args *) aux;
    279 	if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_VIATECH)
    280 		return 0;
    281 	switch (PCI_PRODUCT(pa->pa_id)) {
    282 	case PCI_PRODUCT_VIATECH_VT82C686A_AC97:
    283 	case PCI_PRODUCT_VIATECH_VT8233_AC97:
    284 		break;
    285 	default:
    286 		return 0;
    287 	}
    288 
    289 	return 1;
    290 }
    291 
    292 static void
    293 auvia_attach(struct device *parent, struct device *self, void *aux)
    294 {
    295 	struct pci_attach_args *pa;
    296 	struct auvia_softc *sc;
    297 	const char *intrstr;
    298 	pci_chipset_tag_t pc;
    299 	pcitag_t pt;
    300 	pci_intr_handle_t ih;
    301 	bus_size_t iosize;
    302 	pcireg_t pr;
    303 	int r;
    304 	const char *revnum;	/* VT823xx revision number */
    305 
    306 	pa = aux;
    307 	sc = (struct auvia_softc *)self;
    308 	intrstr = NULL;
    309 	pc = pa->pa_pc;
    310 	pt = pa->pa_tag;
    311 	revnum = NULL;
    312 
    313 	aprint_naive(": Audio controller\n");
    314 
    315 	sc->sc_play.sc_base = AUVIA_PLAY_BASE;
    316 	sc->sc_record.sc_base = AUVIA_RECORD_BASE;
    317 	if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_VIATECH_VT8233_AC97) {
    318 		sc->sc_flags |= AUVIA_FLAGS_VT8233;
    319 		sc->sc_play.sc_base = VIA8233_MP_BASE;
    320 	}
    321 
    322 	if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot,
    323 		&sc->sc_ioh, NULL, &iosize)) {
    324 		aprint_error(": can't map i/o space\n");
    325 		return;
    326 	}
    327 
    328 	sc->sc_dmat = pa->pa_dmat;
    329 	sc->sc_pc = pc;
    330 	sc->sc_pt = pt;
    331 
    332 	r = PCI_REVISION(pa->pa_class);
    333 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
    334 		snprintf(sc->sc_revision, sizeof(sc->sc_revision), "0x%02X", r);
    335 		switch(r) {
    336 		case VIA_REV_8233PRE:
    337 			/* same as 8233, but should not be in the market */
    338 			revnum = "3-Pre";
    339 			break;
    340 		case VIA_REV_8233C:
    341 			/* 2 rec, 4 pb, 1 multi-pb */
    342 			revnum = "3C";
    343 			break;
    344 		case VIA_REV_8233:
    345 			/* 2 rec, 4 pb, 1 multi-pb, spdif */
    346 			revnum = "3";
    347 			break;
    348 		case VIA_REV_8233A:
    349 			/* 1 rec, 1 multi-pb, spdif */
    350 			revnum = "3A";
    351 			break;
    352 		default:
    353 			break;
    354 		}
    355 		if (r >= VIA_REV_8237)
    356 			revnum = "7";
    357 		else if (r >= VIA_REV_8235) /* 2 rec, 4 pb, 1 multi-pb, spdif */
    358 			revnum = "5";
    359 		aprint_normal(": VIA Technologies VT823%s AC'97 Audio "
    360 		    "(rev %s)\n", revnum, sc->sc_revision);
    361 	} else {
    362 		sc->sc_revision[1] = '\0';
    363 		if (r == 0x20) {
    364 			sc->sc_revision[0] = 'H';
    365 		} else if ((r >= 0x10) && (r <= 0x14)) {
    366 			sc->sc_revision[0] = 'A' + (r - 0x10);
    367 		} else {
    368 			snprintf(sc->sc_revision, sizeof(sc->sc_revision),
    369 			    "0x%02X", r);
    370 		}
    371 
    372 		aprint_normal(": VIA Technologies VT82C686A AC'97 Audio "
    373 		    "(rev %s)\n", sc->sc_revision);
    374 	}
    375 
    376 	if (pci_intr_map(pa, &ih)) {
    377 		aprint_error(": couldn't map interrupt\n");
    378 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
    379 		return;
    380 	}
    381 	intrstr = pci_intr_string(pc, ih);
    382 
    383 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, auvia_intr, sc);
    384 	if (sc->sc_ih == NULL) {
    385 		aprint_error("%s: couldn't establish interrupt",
    386 		    sc->sc_dev.dv_xname);
    387 		if (intrstr != NULL)
    388 			aprint_normal(" at %s", intrstr);
    389 		aprint_normal("\n");
    390 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
    391 		return;
    392 	}
    393 
    394 	aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
    395 
    396 	/* disable SBPro compat & others */
    397 	pr = pci_conf_read(pc, pt, AUVIA_PCICONF_JUNK);
    398 
    399 	pr &= ~AUVIA_PCICONF_ENABLES; /* clear compat function enables */
    400 	/* XXX what to do about MIDI, FM, joystick? */
    401 
    402 	pr |= (AUVIA_PCICONF_ACLINKENAB | AUVIA_PCICONF_ACNOTRST
    403 		| AUVIA_PCICONF_ACVSR | AUVIA_PCICONF_ACSGD);
    404 
    405 	pr &= ~(AUVIA_PCICONF_ACFM | AUVIA_PCICONF_ACSB);
    406 
    407 	pci_conf_write(pc, pt, AUVIA_PCICONF_JUNK, pr);
    408 
    409 	sc->host_if.arg = sc;
    410 	sc->host_if.attach = auvia_attach_codec;
    411 	sc->host_if.read = auvia_read_codec;
    412 	sc->host_if.write = auvia_write_codec;
    413 	sc->host_if.reset = auvia_reset_codec;
    414 	sc->host_if.spdif_event = auvia_spdif_event;
    415 
    416 	if ((r = ac97_attach(&sc->host_if, self)) != 0) {
    417 		aprint_error("%s: can't attach codec (error 0x%X)\n",
    418 			sc->sc_dev.dv_xname, r);
    419 		pci_intr_disestablish(pc, sc->sc_ih);
    420 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
    421 		return;
    422 	}
    423 
    424 	/* setup audio_format */
    425 	memcpy(sc->sc_formats, auvia_formats, sizeof(auvia_formats));
    426 	if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_4CH(sc->codec_if)) {
    427 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_4CH_8]);
    428 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_4CH_16]);
    429 	}
    430 	if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_6CH(sc->codec_if)) {
    431 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_6CH_8]);
    432 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_6CH_16]);
    433 	}
    434 	if (AC97_IS_FIXED_RATE(sc->codec_if)) {
    435 		for (r = 0; r < AUVIA_NFORMATS; r++) {
    436 			sc->sc_formats[r].frequency_type = 1;
    437 			sc->sc_formats[r].frequency[0] = 48000;
    438 		}
    439 	}
    440 
    441 	if (0 != auconv_create_encodings(sc->sc_formats, AUVIA_NFORMATS,
    442 					 &sc->sc_encodings)) {
    443 		sc->codec_if->vtbl->detach(sc->codec_if);
    444 		pci_intr_disestablish(pc, sc->sc_ih);
    445 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
    446 		return;
    447 	}
    448 	if (0 != auconv_create_encodings(auvia_spdif_formats,
    449 	    AUVIA_SPDIF_NFORMATS, &sc->sc_spdif_encodings)) {
    450 		sc->codec_if->vtbl->detach(sc->codec_if);
    451 		pci_intr_disestablish(pc, sc->sc_ih);
    452 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
    453 		return;
    454 	}
    455 
    456 	if (!pmf_device_register(self, NULL, auvia_resume))
    457 		aprint_error_dev(self, "couldn't establish power handler\n");
    458 
    459 	audio_attach_mi(&auvia_hw_if, sc, &sc->sc_dev);
    460 	sc->codec_if->vtbl->unlock(sc->codec_if);
    461 	return;
    462 }
    463 
    464 static int
    465 auvia_attach_codec(void *addr, struct ac97_codec_if *cif)
    466 {
    467 	struct auvia_softc *sc;
    468 
    469 	sc = addr;
    470 	sc->codec_if = cif;
    471 	return 0;
    472 }
    473 
    474 static int
    475 auvia_reset_codec(void *addr)
    476 {
    477 	struct auvia_softc *sc;
    478 	pcireg_t r;
    479 	int i;
    480 
    481 	/* perform a codec cold reset */
    482 	sc = addr;
    483 	r = pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK);
    484 
    485 	r &= ~AUVIA_PCICONF_ACNOTRST;	/* enable RESET (active low) */
    486 	pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
    487 	delay(2);
    488 
    489 	r |= AUVIA_PCICONF_ACNOTRST;	/* disable RESET (inactive high) */
    490 	pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
    491 	delay(200);
    492 
    493 	for (i = 500000; i != 0 && !(pci_conf_read(sc->sc_pc, sc->sc_pt,
    494 		AUVIA_PCICONF_JUNK) & AUVIA_PCICONF_PRIVALID); i--)
    495 		DELAY(1);
    496 	if (i == 0) {
    497 		printf("%s: codec reset timed out\n", sc->sc_dev.dv_xname);
    498 		return ETIMEDOUT;
    499 	}
    500 	return 0;
    501 }
    502 
    503 static int
    504 auvia_waitready_codec(struct auvia_softc *sc)
    505 {
    506 	int i;
    507 
    508 	/* poll until codec not busy */
    509 	for (i = 0; (i < TIMEOUT) && (bus_space_read_4(sc->sc_iot, sc->sc_ioh,
    510 		AUVIA_CODEC_CTL) & AUVIA_CODEC_BUSY); i++)
    511 		delay(1);
    512 	if (i >= TIMEOUT) {
    513 		printf("%s: codec busy\n", sc->sc_dev.dv_xname);
    514 		return 1;
    515 	}
    516 
    517 	return 0;
    518 }
    519 
    520 static int
    521 auvia_waitvalid_codec(struct auvia_softc *sc)
    522 {
    523 	int i;
    524 
    525 	/* poll until codec valid */
    526 	for (i = 0; (i < TIMEOUT) && !(bus_space_read_4(sc->sc_iot, sc->sc_ioh,
    527 		AUVIA_CODEC_CTL) & AUVIA_CODEC_PRIVALID); i++)
    528 			delay(1);
    529 	if (i >= TIMEOUT) {
    530 		printf("%s: codec invalid\n", sc->sc_dev.dv_xname);
    531 		return 1;
    532 	}
    533 
    534 	return 0;
    535 }
    536 
    537 static int
    538 auvia_write_codec(void *addr, u_int8_t reg, u_int16_t val)
    539 {
    540 	struct auvia_softc *sc;
    541 
    542 	sc = addr;
    543 	if (auvia_waitready_codec(sc))
    544 		return 1;
    545 
    546 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
    547 		AUVIA_CODEC_PRIVALID | AUVIA_CODEC_INDEX(reg) | val);
    548 
    549 	return 0;
    550 }
    551 
    552 static int
    553 auvia_read_codec(void *addr, u_int8_t reg, u_int16_t *val)
    554 {
    555 	struct auvia_softc *sc;
    556 
    557 	sc = addr;
    558 	if (auvia_waitready_codec(sc))
    559 		return 1;
    560 
    561 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
    562 		AUVIA_CODEC_PRIVALID | AUVIA_CODEC_READ | AUVIA_CODEC_INDEX(reg));
    563 
    564 	if (auvia_waitready_codec(sc))
    565 		return 1;
    566 
    567 	if (auvia_waitvalid_codec(sc))
    568 		return 1;
    569 
    570 	*val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL);
    571 
    572 	return 0;
    573 }
    574 
    575 static void
    576 auvia_spdif_event(void *addr, bool flag)
    577 {
    578 	struct auvia_softc *sc;
    579 
    580 	sc = addr;
    581 	sc->sc_spdif = flag;
    582 }
    583 
    584 static int
    585 auvia_open(void *addr, int flags)
    586 {
    587 	struct auvia_softc *sc;
    588 
    589 	sc = (struct auvia_softc *)addr;
    590 	sc->codec_if->vtbl->lock(sc->codec_if);
    591 	return 0;
    592 }
    593 
    594 static void
    595 auvia_close(void *addr)
    596 {
    597 	struct auvia_softc *sc;
    598 
    599 	sc = (struct auvia_softc *)addr;
    600 	sc->codec_if->vtbl->unlock(sc->codec_if);
    601 }
    602 
    603 static int
    604 auvia_query_encoding(void *addr, struct audio_encoding *fp)
    605 {
    606 	struct auvia_softc *sc;
    607 
    608 	sc = (struct auvia_softc *)addr;
    609 	return auconv_query_encoding(
    610 	    sc->sc_spdif ? sc->sc_spdif_encodings : sc->sc_encodings, fp);
    611 }
    612 
    613 static void
    614 auvia_set_params_sub(struct auvia_softc *sc, struct auvia_softc_chan *ch,
    615 		     const audio_params_t *p)
    616 {
    617 	uint32_t v;
    618 	uint16_t regval;
    619 
    620 	if (!(sc->sc_flags & AUVIA_FLAGS_VT8233)) {
    621 		regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0)
    622 			| (p->precision  == 16 ?
    623 				AUVIA_RPMODE_16BIT : 0)
    624 			| AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL
    625 			| AUVIA_RPMODE_AUTOSTART;
    626 		ch->sc_reg = regval;
    627 	} else if (ch->sc_base != VIA8233_MP_BASE) {
    628 		v = CH_READ4(sc, ch, VIA8233_RP_RATEFMT);
    629 		v &= ~(VIA8233_RATEFMT_48K | VIA8233_RATEFMT_STEREO
    630 			| VIA8233_RATEFMT_16BIT);
    631 
    632 		v |= VIA8233_RATEFMT_48K * (p->sample_rate / 20)
    633 			/ (48000 / 20);
    634 		if (p->channels == 2)
    635 			v |= VIA8233_RATEFMT_STEREO;
    636 		if (p->precision == 16)
    637 			v |= VIA8233_RATEFMT_16BIT;
    638 
    639 		CH_WRITE4(sc, ch, VIA8233_RP_RATEFMT, v);
    640 	} else {
    641 		static const u_int32_t slottab[7] =
    642 			{ 0, 0xff000011, 0xff000021, 0,
    643 			  0xff004321, 0, 0xff436521};
    644 
    645 		regval = (p->precision == 16
    646 			? VIA8233_MP_FORMAT_16BIT : VIA8233_MP_FORMAT_8BIT)
    647 			| (p->channels << 4);
    648 		CH_WRITE1(sc, ch, VIA8233_OFF_MP_FORMAT, regval);
    649 		CH_WRITE4(sc, ch, VIA8233_OFF_MP_STOP, slottab[p->channels]);
    650 	}
    651 }
    652 
    653 static int
    654 auvia_set_params(void *addr, int setmode, int usemode,
    655     audio_params_t *play, audio_params_t *rec, stream_filter_list_t *pfil,
    656     stream_filter_list_t *rfil)
    657 {
    658 	struct auvia_softc *sc;
    659 	struct auvia_softc_chan *ch;
    660 	struct audio_params *p;
    661 	struct ac97_codec_if* codec;
    662 	stream_filter_list_t *fil;
    663 	int reg, mode;
    664 	int index;
    665 
    666 	sc = addr;
    667 	codec = sc->codec_if;
    668 	/* for mode in (RECORD, PLAY) */
    669 	for (mode = AUMODE_RECORD; mode != -1;
    670 	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
    671 		if ((setmode & mode) == 0)
    672 			continue;
    673 
    674 		if (mode == AUMODE_PLAY ) {
    675 			p = play;
    676 			ch = &sc->sc_play;
    677 			reg = AC97_REG_PCM_FRONT_DAC_RATE;
    678 			fil = pfil;
    679 		} else {
    680 			p = rec;
    681 			ch = &sc->sc_record;
    682 			reg = AC97_REG_PCM_LR_ADC_RATE;
    683 			fil = rfil;
    684 		}
    685 
    686 		if (p->sample_rate < 4000 || p->sample_rate > 48000 ||
    687 		    (p->precision != 8 && p->precision != 16))
    688 			return (EINVAL);
    689 		if (sc->sc_spdif)
    690 			index = auconv_set_converter(auvia_spdif_formats,
    691 			    AUVIA_SPDIF_NFORMATS, mode, p, TRUE, fil);
    692 		else
    693 			index = auconv_set_converter(sc->sc_formats,
    694 			    AUVIA_NFORMATS, mode, p, TRUE, fil);
    695 		if (index < 0)
    696 			return EINVAL;
    697 		if (fil->req_size > 0)
    698 			p = &fil->filters[0].param;
    699 		if (!AC97_IS_FIXED_RATE(codec)) {
    700 			if (codec->vtbl->set_rate(codec, reg, &p->sample_rate))
    701 				return EINVAL;
    702 			reg = AC97_REG_PCM_SURR_DAC_RATE;
    703 			if (p->channels >= 4
    704 			    && codec->vtbl->set_rate(codec, reg,
    705 						     &p->sample_rate))
    706 				return EINVAL;
    707 			reg = AC97_REG_PCM_LFE_DAC_RATE;
    708 			if (p->channels == 6
    709 			    && codec->vtbl->set_rate(codec, reg,
    710 						     &p->sample_rate))
    711 				return EINVAL;
    712 		}
    713 		auvia_set_params_sub(sc, ch, p);
    714 	}
    715 
    716 	return 0;
    717 }
    718 
    719 static int
    720 auvia_round_blocksize(void *addr, int blk,
    721     int mode, const audio_params_t *param)
    722 {
    723 	struct auvia_softc *sc;
    724 
    725 	sc = addr;
    726 	/* XXX VT823x might have the limitation of dma_ops size */
    727 	if (sc->sc_flags & AUVIA_FLAGS_VT8233 && blk < 288)
    728 		blk = 288;
    729 
    730 	return (blk & -32);
    731 }
    732 
    733 static int
    734 auvia_halt_output(void *addr)
    735 {
    736 	struct auvia_softc *sc;
    737 	struct auvia_softc_chan *ch;
    738 
    739 	sc = addr;
    740 	ch = &(sc->sc_play);
    741 	CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
    742 	ch->sc_intr = NULL;
    743 	return 0;
    744 }
    745 
    746 static int
    747 auvia_halt_input(void *addr)
    748 {
    749 	struct auvia_softc *sc;
    750 	struct auvia_softc_chan *ch;
    751 
    752 	sc = addr;
    753 	ch = &(sc->sc_record);
    754 	CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
    755 	ch->sc_intr = NULL;
    756 	return 0;
    757 }
    758 
    759 static int
    760 auvia_getdev(void *addr, struct audio_device *retp)
    761 {
    762 	struct auvia_softc *sc;
    763 
    764 	if (retp) {
    765 		sc = addr;
    766 		if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
    767 			strncpy(retp->name, "VIA VT823x",
    768 				sizeof(retp->name));
    769 		} else {
    770 			strncpy(retp->name, "VIA VT82C686A",
    771 				sizeof(retp->name));
    772 		}
    773 		strncpy(retp->version, sc->sc_revision, sizeof(retp->version));
    774 		strncpy(retp->config, "auvia", sizeof(retp->config));
    775 	}
    776 
    777 	return 0;
    778 }
    779 
    780 static int
    781 auvia_set_port(void *addr, mixer_ctrl_t *cp)
    782 {
    783 	struct auvia_softc *sc;
    784 
    785 	sc = addr;
    786 	return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
    787 }
    788 
    789 static int
    790 auvia_get_port(void *addr, mixer_ctrl_t *cp)
    791 {
    792 	struct auvia_softc *sc;
    793 
    794 	sc = addr;
    795 	return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp);
    796 }
    797 
    798 static int
    799 auvia_query_devinfo(void *addr, mixer_devinfo_t *dip)
    800 {
    801 	struct auvia_softc *sc;
    802 
    803 	sc = addr;
    804 	return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip);
    805 }
    806 
    807 static void *
    808 auvia_malloc(void *addr, int direction, size_t size,
    809     struct malloc_type * pool, int flags)
    810 {
    811 	struct auvia_softc *sc;
    812 	struct auvia_dma *p;
    813 	int error;
    814 	int rseg;
    815 
    816 	p = malloc(sizeof(*p), pool, flags);
    817 	if (!p)
    818 		return 0;
    819 	sc = addr;
    820 	p->size = size;
    821 	if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg,
    822 				      1, &rseg, BUS_DMA_NOWAIT)) != 0) {
    823 		printf("%s: unable to allocate DMA, error = %d\n",
    824 		       sc->sc_dev.dv_xname, error);
    825 		goto fail_alloc;
    826 	}
    827 
    828 	if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr,
    829 				    BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) {
    830 		printf("%s: unable to map DMA, error = %d\n",
    831 		       sc->sc_dev.dv_xname, error);
    832 		goto fail_map;
    833 	}
    834 
    835 	if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0,
    836 				       BUS_DMA_NOWAIT, &p->map)) != 0) {
    837 		printf("%s: unable to create DMA map, error = %d\n",
    838 		       sc->sc_dev.dv_xname, error);
    839 		goto fail_create;
    840 	}
    841 
    842 	if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL,
    843 				     BUS_DMA_NOWAIT)) != 0) {
    844 		printf("%s: unable to load DMA map, error = %d\n",
    845 		       sc->sc_dev.dv_xname, error);
    846 		goto fail_load;
    847 	}
    848 
    849 	p->next = sc->sc_dmas;
    850 	sc->sc_dmas = p;
    851 
    852 	return p->addr;
    853 
    854 
    855 fail_load:
    856 	bus_dmamap_destroy(sc->sc_dmat, p->map);
    857 fail_create:
    858 	bus_dmamem_unmap(sc->sc_dmat, p->addr, size);
    859 fail_map:
    860 	bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
    861 fail_alloc:
    862 	free(p, pool);
    863 	return NULL;
    864 }
    865 
    866 static void
    867 auvia_free(void *addr, void *ptr, struct malloc_type *pool)
    868 {
    869 	struct auvia_softc *sc;
    870 	struct auvia_dma **pp, *p;
    871 
    872 	sc = addr;
    873 	for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next)
    874 		if (p->addr == ptr) {
    875 			bus_dmamap_unload(sc->sc_dmat, p->map);
    876 			bus_dmamap_destroy(sc->sc_dmat, p->map);
    877 			bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
    878 			bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
    879 
    880 			*pp = p->next;
    881 			free(p, pool);
    882 			return;
    883 		}
    884 
    885 	panic("auvia_free: trying to free unallocated memory");
    886 }
    887 
    888 static size_t
    889 auvia_round_buffersize(void *addr, int direction, size_t size)
    890 {
    891 
    892 	return size;
    893 }
    894 
    895 static paddr_t
    896 auvia_mappage(void *addr, void *mem, off_t off, int prot)
    897 {
    898 	struct auvia_softc *sc;
    899 	struct auvia_dma *p;
    900 
    901 	if (off < 0)
    902 		return -1;
    903 	sc = addr;
    904 	for (p = sc->sc_dmas; p && p->addr != mem; p = p->next)
    905 		continue;
    906 
    907 	if (!p)
    908 		return -1;
    909 
    910 	return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot,
    911 	    BUS_DMA_WAITOK);
    912 }
    913 
    914 static int
    915 auvia_get_props(void *addr)
    916 {
    917 	struct auvia_softc *sc;
    918 	int props;
    919 
    920 	props = AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
    921 	sc = addr;
    922 	/*
    923 	 * Even if the codec is fixed-rate, set_param() succeeds for any sample
    924 	 * rate because of aurateconv.  Applications can't know what rate the
    925 	 * device can process in the case of mmap().
    926 	 */
    927 	if (!AC97_IS_FIXED_RATE(sc->codec_if))
    928 		props |= AUDIO_PROP_MMAP;
    929 	return props;
    930 }
    931 
    932 static int
    933 auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch,
    934 	struct auvia_dma *p, void *start, void *end, int blksize)
    935 {
    936 	struct auvia_dma_op *op;
    937 	struct auvia_dma *dp;
    938 	bus_addr_t s;
    939 	size_t l;
    940 	int segs;
    941 
    942 	s = p->map->dm_segs[0].ds_addr;
    943 	l = ((char *)end - (char *)start);
    944 	segs = (l + blksize - 1) / blksize;
    945 
    946 	if (segs > (ch->sc_dma_op_count)) {
    947 		/* if old list was too small, free it */
    948 		if (ch->sc_dma_ops) {
    949 			auvia_free(sc, ch->sc_dma_ops, M_DEVBUF);
    950 		}
    951 
    952 		ch->sc_dma_ops = auvia_malloc(sc, 0,
    953 			sizeof(struct auvia_dma_op) * segs, M_DEVBUF, M_WAITOK);
    954 
    955 		if (ch->sc_dma_ops == NULL) {
    956 			printf("%s: couldn't build dmaops\n", sc->sc_dev.dv_xname);
    957 			return 1;
    958 		}
    959 
    960 		for (dp = sc->sc_dmas;
    961 		     dp && dp->addr != (void *)(ch->sc_dma_ops);
    962 		     dp = dp->next)
    963 			continue;
    964 
    965 		if (!dp)
    966 			panic("%s: build_dma_ops: where'd my memory go??? "
    967 				"address (%p)\n", sc->sc_dev.dv_xname,
    968 				ch->sc_dma_ops);
    969 
    970 		ch->sc_dma_op_count = segs;
    971 		ch->sc_dma_ops_dma = dp;
    972 	}
    973 
    974 	dp = ch->sc_dma_ops_dma;
    975 	op = ch->sc_dma_ops;
    976 
    977 	while (l) {
    978 		op->ptr = htole32(s);
    979 		l = l - blksize;
    980 		if (!l) {
    981 			/* if last block */
    982 			op->flags = htole32(AUVIA_DMAOP_EOL | blksize);
    983 		} else {
    984 			op->flags = htole32(AUVIA_DMAOP_FLAG | blksize);
    985 		}
    986 		s += blksize;
    987 		op++;
    988 	}
    989 
    990 	return 0;
    991 }
    992 
    993 
    994 static int
    995 auvia_trigger_output(void *addr, void *start, void *end, int blksize,
    996     void (*intr)(void *), void *arg, const audio_params_t *param)
    997 {
    998 	struct auvia_softc *sc;
    999 	struct auvia_softc_chan *ch;
   1000 	struct auvia_dma *p;
   1001 
   1002 	sc = addr;
   1003 	ch = &(sc->sc_play);
   1004 	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
   1005 		continue;
   1006 
   1007 	if (!p)
   1008 		panic("auvia_trigger_output: request with bad start "
   1009 			"address (%p)", start);
   1010 
   1011 	if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
   1012 		return 1;
   1013 	}
   1014 
   1015 	ch->sc_intr = intr;
   1016 	ch->sc_arg = arg;
   1017 
   1018 	CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
   1019 		ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
   1020 
   1021 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
   1022 		if (ch->sc_base != VIA8233_MP_BASE) {
   1023 			CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
   1024 			CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
   1025 		}
   1026 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
   1027 			AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
   1028 			AUVIA_RPCTRL_STOP  | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
   1029 	} else {
   1030 		CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
   1031 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
   1032 	}
   1033 
   1034 	return 0;
   1035 }
   1036 
   1037 static int
   1038 auvia_trigger_input(void *addr, void *start, void *end, int blksize,
   1039     void (*intr)(void *), void *arg, const audio_params_t *param)
   1040 {
   1041 	struct auvia_softc *sc;
   1042 	struct auvia_softc_chan *ch;
   1043 	struct auvia_dma *p;
   1044 
   1045 	sc = addr;
   1046 	ch = &(sc->sc_record);
   1047 	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
   1048 		continue;
   1049 
   1050 	if (!p)
   1051 		panic("auvia_trigger_input: request with bad start "
   1052 			"address (%p)", start);
   1053 
   1054 	if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
   1055 		return 1;
   1056 	}
   1057 
   1058 	ch->sc_intr = intr;
   1059 	ch->sc_arg = arg;
   1060 
   1061 	CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
   1062 		  ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
   1063 
   1064 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
   1065 		CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
   1066 		CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
   1067 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
   1068 			AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
   1069 			AUVIA_RPCTRL_STOP  | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
   1070 	} else {
   1071 		CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
   1072 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
   1073 	}
   1074 
   1075 	return 0;
   1076 }
   1077 
   1078 static int
   1079 auvia_intr(void *arg)
   1080 {
   1081 	struct auvia_softc *sc;
   1082 	struct auvia_softc_chan *ch;
   1083 	u_int8_t r;
   1084 	int rval;
   1085 
   1086 	sc = arg;
   1087 	rval = 0;
   1088 
   1089 	ch = &sc->sc_record;
   1090 	r = CH_READ1(sc, ch, AUVIA_RP_STAT);
   1091 	if (r & AUVIA_RPSTAT_INTR) {
   1092 		if (sc->sc_record.sc_intr)
   1093 			sc->sc_record.sc_intr(sc->sc_record.sc_arg);
   1094 
   1095 		/* clear interrupts */
   1096 		CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
   1097 		rval = 1;
   1098 	}
   1099 
   1100 	ch = &sc->sc_play;
   1101 	r = CH_READ1(sc, ch, AUVIA_RP_STAT);
   1102 	if (r & AUVIA_RPSTAT_INTR) {
   1103 		if (sc->sc_play.sc_intr)
   1104 			sc->sc_play.sc_intr(sc->sc_play.sc_arg);
   1105 
   1106 		/* clear interrupts */
   1107 		CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
   1108 		rval = 1;
   1109 	}
   1110 
   1111 	return rval;
   1112 }
   1113 
   1114 static bool
   1115 auvia_resume(device_t dv)
   1116 {
   1117 	struct auvia_softc *sc = device_private(dv);
   1118 
   1119 	auvia_reset_codec(sc);
   1120 	DELAY(1000);
   1121 	(sc->codec_if->vtbl->restore_ports)(sc->codec_if);
   1122 
   1123 	return true;
   1124 }
   1125