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auvia.c revision 1.66
      1 /*	$NetBSD: auvia.c,v 1.66 2008/07/01 12:43:03 jmcneill Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Tyler C. Sarna
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * VIA Technologies VT82C686A / VT8233 / VT8235 Southbridge Audio Driver
     34  *
     35  * Documentation links:
     36  *
     37  * ftp://ftp.alsa-project.org/pub/manuals/via/686a.pdf
     38  * ftp://ftp.alsa-project.org/pub/manuals/general/ac97r21.pdf
     39  * ftp://ftp.alsa-project.org/pub/manuals/ad/AD1881_0.pdf (example AC'97 codec)
     40  */
     41 
     42 #include <sys/cdefs.h>
     43 __KERNEL_RCSID(0, "$NetBSD: auvia.c,v 1.66 2008/07/01 12:43:03 jmcneill Exp $");
     44 
     45 #include <sys/param.h>
     46 #include <sys/systm.h>
     47 #include <sys/malloc.h>
     48 #include <sys/device.h>
     49 #include <sys/audioio.h>
     50 
     51 #include <uvm/uvm_extern.h>
     52 
     53 #include <dev/pci/pcidevs.h>
     54 #include <dev/pci/pcivar.h>
     55 
     56 #include <dev/audio_if.h>
     57 #include <dev/mulaw.h>
     58 #include <dev/auconv.h>
     59 
     60 #include <dev/ic/ac97reg.h>
     61 #include <dev/ic/ac97var.h>
     62 
     63 #include <dev/pci/auviavar.h>
     64 
     65 struct auvia_dma {
     66 	struct auvia_dma *next;
     67 	void *addr;
     68 	size_t size;
     69 	bus_dmamap_t map;
     70 	bus_dma_segment_t seg;
     71 };
     72 
     73 struct auvia_dma_op {
     74 	uint32_t ptr;
     75 	uint32_t flags;
     76 #define AUVIA_DMAOP_EOL		0x80000000
     77 #define AUVIA_DMAOP_FLAG	0x40000000
     78 #define AUVIA_DMAOP_STOP	0x20000000
     79 #define AUVIA_DMAOP_COUNT(x)	((x)&0x00FFFFFF)
     80 };
     81 
     82 static int	auvia_match(device_t, struct cfdata *, void *);
     83 static void	auvia_attach(device_t, device_t, void *);
     84 static int	auvia_detach(device_t, int);
     85 static void	auvia_childdet(device_t, device_t);
     86 static int	auvia_open(void *, int);
     87 static void	auvia_close(void *);
     88 static int	auvia_query_encoding(void *, struct audio_encoding *);
     89 static void	auvia_set_params_sub(struct auvia_softc *,
     90 				     struct auvia_softc_chan *,
     91 				     const audio_params_t *);
     92 static int	auvia_set_params(void *, int, int, audio_params_t *,
     93 				 audio_params_t *, stream_filter_list_t *,
     94 				 stream_filter_list_t *);
     95 static int	auvia_round_blocksize(void *, int, int, const audio_params_t *);
     96 static int	auvia_halt_output(void *);
     97 static int	auvia_halt_input(void *);
     98 static int	auvia_getdev(void *, struct audio_device *);
     99 static int	auvia_set_port(void *, mixer_ctrl_t *);
    100 static int	auvia_get_port(void *, mixer_ctrl_t *);
    101 static int	auvia_query_devinfo(void *, mixer_devinfo_t *);
    102 static void *	auvia_malloc(void *, int, size_t, struct malloc_type *, int);
    103 static void	auvia_free(void *, void *, struct malloc_type *);
    104 static size_t	auvia_round_buffersize(void *, int, size_t);
    105 static paddr_t	auvia_mappage(void *, void *, off_t, int);
    106 static int	auvia_get_props(void *);
    107 static int	auvia_build_dma_ops(struct auvia_softc *,
    108 				    struct auvia_softc_chan *,
    109 				    struct auvia_dma *, void *, void *, int);
    110 static int	auvia_trigger_output(void *, void *, void *, int,
    111 				     void (*)(void *), void *,
    112 				     const audio_params_t *);
    113 static int	auvia_trigger_input(void *, void *, void *, int,
    114 				    void (*)(void *), void *,
    115 				    const audio_params_t *);
    116 static bool	auvia_resume(device_t PMF_FN_PROTO);
    117 static int	auvia_intr(void *);
    118 
    119 static int	auvia_attach_codec(void *, struct ac97_codec_if *);
    120 static int	auvia_write_codec(void *, uint8_t, uint16_t);
    121 static int	auvia_read_codec(void *, uint8_t, uint16_t *);
    122 static int	auvia_reset_codec(void *);
    123 static int	auvia_waitready_codec(struct auvia_softc *);
    124 static int	auvia_waitvalid_codec(struct auvia_softc *);
    125 static void	auvia_spdif_event(void *, bool);
    126 
    127 CFATTACH_DECL2(auvia, sizeof (struct auvia_softc),
    128     auvia_match, auvia_attach, auvia_detach, NULL, NULL, auvia_childdet);
    129 
    130 /* VIA VT823xx revision number */
    131 #define VIA_REV_8233PRE	0x10
    132 #define VIA_REV_8233C	0x20
    133 #define VIA_REV_8233	0x30
    134 #define VIA_REV_8233A	0x40
    135 #define VIA_REV_8235	0x50
    136 #define VIA_REV_8237	0x60
    137 
    138 #define AUVIA_PCICONF_JUNK	0x40
    139 #define		AUVIA_PCICONF_ENABLES	 0x00FF0000	/* reg 42 mask */
    140 #define		AUVIA_PCICONF_ACLINKENAB 0x00008000	/* ac link enab */
    141 #define		AUVIA_PCICONF_ACNOTRST	 0x00004000	/* ~(ac reset) */
    142 #define		AUVIA_PCICONF_ACSYNC	 0x00002000	/* ac sync */
    143 #define		AUVIA_PCICONF_ACVSR	 0x00000800	/* var. samp. rate */
    144 #define		AUVIA_PCICONF_ACSGD	 0x00000400	/* SGD enab */
    145 #define		AUVIA_PCICONF_ACFM	 0x00000200	/* FM enab */
    146 #define		AUVIA_PCICONF_ACSB	 0x00000100	/* SB enab */
    147 #define		AUVIA_PCICONF_PRIVALID	 0x00000001	/* primary codec rdy */
    148 
    149 #define	AUVIA_PLAY_BASE			0x00
    150 #define	AUVIA_RECORD_BASE		0x10
    151 
    152 /* *_RP_* are offsets from AUVIA_PLAY_BASE or AUVIA_RECORD_BASE */
    153 #define	AUVIA_RP_STAT			0x00
    154 #define		AUVIA_RPSTAT_INTR		0x03
    155 #define	AUVIA_RP_CONTROL		0x01
    156 #define		AUVIA_RPCTRL_START		0x80
    157 #define		AUVIA_RPCTRL_TERMINATE		0x40
    158 #define		AUVIA_RPCTRL_AUTOSTART		0x20
    159 /* The following are 8233 specific */
    160 #define		AUVIA_RPCTRL_STOP		0x04
    161 #define		AUVIA_RPCTRL_EOL		0x02
    162 #define		AUVIA_RPCTRL_FLAG		0x01
    163 #define	AUVIA_RP_MODE			0x02		/* 82c686 specific */
    164 #define		AUVIA_RPMODE_INTR_FLAG		0x01
    165 #define		AUVIA_RPMODE_INTR_EOL		0x02
    166 #define		AUVIA_RPMODE_STEREO		0x10
    167 #define		AUVIA_RPMODE_16BIT		0x20
    168 #define		AUVIA_RPMODE_AUTOSTART		0x80
    169 #define	AUVIA_RP_DMAOPS_BASE		0x04
    170 
    171 #define	VIA8233_RP_DXS_LVOL		0x02
    172 #define	VIA8233_RP_DXS_RVOL		0x03
    173 #define	VIA8233_RP_RATEFMT		0x08
    174 #define		VIA8233_RATEFMT_48K		0xfffff
    175 #define		VIA8233_RATEFMT_STEREO		0x00100000
    176 #define		VIA8233_RATEFMT_16BIT		0x00200000
    177 
    178 #define	VIA_RP_DMAOPS_COUNT		0x0c
    179 
    180 #define VIA8233_MP_BASE			0x40
    181 	/* STAT, CONTROL, DMAOPS_BASE, DMAOPS_COUNT are valid */
    182 #define VIA8233_OFF_MP_FORMAT		0x02
    183 #define		VIA8233_MP_FORMAT_8BIT		0x00
    184 #define		VIA8233_MP_FORMAT_16BIT		0x80
    185 #define		VIA8233_MP_FORMAT_CHANNLE_MASK	0x70 /* 1, 2, 4, 6 */
    186 #define VIA8233_OFF_MP_SCRATCH		0x03
    187 #define VIA8233_OFF_MP_STOP		0x08
    188 
    189 #define VIA8233_WR_BASE			0x60
    190 
    191 #define	AUVIA_CODEC_CTL			0x80
    192 #define		AUVIA_CODEC_READ		0x00800000
    193 #define		AUVIA_CODEC_BUSY		0x01000000
    194 #define		AUVIA_CODEC_PRIVALID		0x02000000
    195 #define		AUVIA_CODEC_INDEX(x)		((x)<<16)
    196 
    197 #define CH_WRITE1(sc, ch, off, v)	\
    198 	bus_space_write_1((sc)->sc_iot,	(sc)->sc_ioh, (ch)->sc_base + (off), v)
    199 #define CH_WRITE4(sc, ch, off, v)	\
    200 	bus_space_write_4((sc)->sc_iot,	(sc)->sc_ioh, (ch)->sc_base + (off), v)
    201 #define CH_READ1(sc, ch, off)		\
    202 	bus_space_read_1((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off))
    203 #define CH_READ4(sc, ch, off)		\
    204 	bus_space_read_4((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off))
    205 
    206 #define TIMEOUT	50
    207 
    208 static const struct audio_hw_if auvia_hw_if = {
    209 	auvia_open,
    210 	auvia_close,
    211 	NULL, /* drain */
    212 	auvia_query_encoding,
    213 	auvia_set_params,
    214 	auvia_round_blocksize,
    215 	NULL, /* commit_settings */
    216 	NULL, /* init_output */
    217 	NULL, /* init_input */
    218 	NULL, /* start_output */
    219 	NULL, /* start_input */
    220 	auvia_halt_output,
    221 	auvia_halt_input,
    222 	NULL, /* speaker_ctl */
    223 	auvia_getdev,
    224 	NULL, /* setfd */
    225 	auvia_set_port,
    226 	auvia_get_port,
    227 	auvia_query_devinfo,
    228 	auvia_malloc,
    229 	auvia_free,
    230 	auvia_round_buffersize,
    231 	auvia_mappage,
    232 	auvia_get_props,
    233 	auvia_trigger_output,
    234 	auvia_trigger_input,
    235 	NULL, /* dev_ioctl */
    236 	NULL, /* powerstate */
    237 };
    238 
    239 #define AUVIA_FORMATS_4CH_16	2
    240 #define AUVIA_FORMATS_6CH_16	3
    241 #define AUVIA_FORMATS_4CH_8	6
    242 #define AUVIA_FORMATS_6CH_8	7
    243 static const struct audio_format auvia_formats[AUVIA_NFORMATS] = {
    244 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    245 	 1, AUFMT_MONAURAL, 0, {8000, 48000}},
    246 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    247 	 2, AUFMT_STEREO, 0, {8000, 48000}},
    248 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    249 	 4, AUFMT_SURROUND4, 0, {8000, 48000}},
    250 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    251 	 6, AUFMT_DOLBY_5_1, 0, {8000, 48000}},
    252 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    253 	 1, AUFMT_MONAURAL, 0, {8000, 48000}},
    254 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    255 	 2, AUFMT_STEREO, 0, {8000, 48000}},
    256 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    257 	 4, AUFMT_SURROUND4, 0, {8000, 48000}},
    258 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 8, 8,
    259 	 6, AUFMT_DOLBY_5_1, 0, {8000, 48000}},
    260 };
    261 
    262 #define	AUVIA_SPDIF_NFORMATS	1
    263 static const struct audio_format auvia_spdif_formats[AUVIA_SPDIF_NFORMATS] = {
    264 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    265 	 2, AUFMT_STEREO, 1, {48000}},
    266 };
    267 
    268 
    269 static int
    270 auvia_match(device_t parent, struct cfdata *match, void *aux)
    271 {
    272 	struct pci_attach_args *pa;
    273 
    274 	pa = (struct pci_attach_args *) aux;
    275 	if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_VIATECH)
    276 		return 0;
    277 	switch (PCI_PRODUCT(pa->pa_id)) {
    278 	case PCI_PRODUCT_VIATECH_VT82C686A_AC97:
    279 	case PCI_PRODUCT_VIATECH_VT8233_AC97:
    280 		break;
    281 	default:
    282 		return 0;
    283 	}
    284 
    285 	return 1;
    286 }
    287 
    288 static void
    289 auvia_childdet(device_t self, device_t child)
    290 {
    291 	/* we hold no child references, so do nothing */
    292 }
    293 
    294 static int
    295 auvia_detach(device_t self, int flags)
    296 {
    297 	int rc;
    298 	struct auvia_softc *sc = device_private(self);
    299 
    300 	if ((rc = config_detach_children(self, flags)) != 0)
    301 		return rc;
    302 
    303 	pmf_device_deregister(self);
    304 
    305 	auconv_delete_encodings(sc->sc_encodings);
    306 	auconv_delete_encodings(sc->sc_spdif_encodings);
    307 
    308 	if (sc->codec_if != NULL)
    309 		sc->codec_if->vtbl->detach(sc->codec_if);
    310 
    311 	/* XXX restore compatibility? */
    312 
    313 	if (sc->sc_ih != NULL)
    314 		pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
    315 
    316 	bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    317 
    318 	return 0;
    319 }
    320 
    321 static void
    322 auvia_attach(device_t parent, device_t self, void *aux)
    323 {
    324 	struct pci_attach_args *pa;
    325 	struct auvia_softc *sc;
    326 	const char *intrstr;
    327 	pci_chipset_tag_t pc;
    328 	pcitag_t pt;
    329 	pci_intr_handle_t ih;
    330 	pcireg_t pr;
    331 	int r;
    332 	const char *revnum;	/* VT823xx revision number */
    333 
    334 	pa = aux;
    335 	sc = device_private(self);
    336 	intrstr = NULL;
    337 	pc = pa->pa_pc;
    338 	pt = pa->pa_tag;
    339 	revnum = NULL;
    340 
    341 	aprint_naive(": Audio controller\n");
    342 
    343 	sc->sc_play.sc_base = AUVIA_PLAY_BASE;
    344 	sc->sc_record.sc_base = AUVIA_RECORD_BASE;
    345 	if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_VIATECH_VT8233_AC97) {
    346 		sc->sc_flags |= AUVIA_FLAGS_VT8233;
    347 		sc->sc_play.sc_base = VIA8233_MP_BASE;
    348 		sc->sc_record.sc_base = VIA8233_WR_BASE;
    349 	}
    350 
    351 	if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot,
    352 		&sc->sc_ioh, NULL, &sc->sc_iosize)) {
    353 		aprint_error(": can't map i/o space\n");
    354 		return;
    355 	}
    356 
    357 	sc->sc_dmat = pa->pa_dmat;
    358 	sc->sc_pc = pc;
    359 	sc->sc_pt = pt;
    360 
    361 	r = PCI_REVISION(pa->pa_class);
    362 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
    363 		snprintf(sc->sc_revision, sizeof(sc->sc_revision), "0x%02X", r);
    364 		switch(r) {
    365 		case VIA_REV_8233PRE:
    366 			/* same as 8233, but should not be in the market */
    367 			revnum = "3-Pre";
    368 			break;
    369 		case VIA_REV_8233C:
    370 			/* 2 rec, 4 pb, 1 multi-pb */
    371 			revnum = "3C";
    372 			break;
    373 		case VIA_REV_8233:
    374 			/* 2 rec, 4 pb, 1 multi-pb, spdif */
    375 			revnum = "3";
    376 			break;
    377 		case VIA_REV_8233A:
    378 			/* 1 rec, 1 multi-pb, spdif */
    379 			revnum = "3A";
    380 			break;
    381 		default:
    382 			break;
    383 		}
    384 		if (r >= VIA_REV_8237)
    385 			revnum = "7";
    386 		else if (r >= VIA_REV_8235) /* 2 rec, 4 pb, 1 multi-pb, spdif */
    387 			revnum = "5";
    388 		aprint_normal(": VIA Technologies VT823%s AC'97 Audio "
    389 		    "(rev %s)\n", revnum, sc->sc_revision);
    390 	} else {
    391 		sc->sc_revision[1] = '\0';
    392 		if (r == 0x20) {
    393 			sc->sc_revision[0] = 'H';
    394 		} else if ((r >= 0x10) && (r <= 0x14)) {
    395 			sc->sc_revision[0] = 'A' + (r - 0x10);
    396 		} else {
    397 			snprintf(sc->sc_revision, sizeof(sc->sc_revision),
    398 			    "0x%02X", r);
    399 		}
    400 
    401 		aprint_normal(": VIA Technologies VT82C686A AC'97 Audio "
    402 		    "(rev %s)\n", sc->sc_revision);
    403 	}
    404 
    405 	if (pci_intr_map(pa, &ih)) {
    406 		aprint_error(": couldn't map interrupt\n");
    407 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    408 		return;
    409 	}
    410 	intrstr = pci_intr_string(pc, ih);
    411 
    412 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, auvia_intr, sc);
    413 	if (sc->sc_ih == NULL) {
    414 		aprint_error_dev(&sc->sc_dev, "couldn't establish interrupt");
    415 		if (intrstr != NULL)
    416 			aprint_normal(" at %s", intrstr);
    417 		aprint_normal("\n");
    418 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    419 		return;
    420 	}
    421 
    422 	aprint_normal_dev(&sc->sc_dev, "interrupting at %s\n", intrstr);
    423 
    424 	/* disable SBPro compat & others */
    425 	pr = pci_conf_read(pc, pt, AUVIA_PCICONF_JUNK);
    426 
    427 	pr &= ~AUVIA_PCICONF_ENABLES; /* clear compat function enables */
    428 	/* XXX what to do about MIDI, FM, joystick? */
    429 
    430 	pr |= (AUVIA_PCICONF_ACLINKENAB | AUVIA_PCICONF_ACNOTRST
    431 		| AUVIA_PCICONF_ACVSR | AUVIA_PCICONF_ACSGD);
    432 
    433 	pr &= ~(AUVIA_PCICONF_ACFM | AUVIA_PCICONF_ACSB);
    434 
    435 	pci_conf_write(pc, pt, AUVIA_PCICONF_JUNK, pr);
    436 
    437 	sc->host_if.arg = sc;
    438 	sc->host_if.attach = auvia_attach_codec;
    439 	sc->host_if.read = auvia_read_codec;
    440 	sc->host_if.write = auvia_write_codec;
    441 	sc->host_if.reset = auvia_reset_codec;
    442 	sc->host_if.spdif_event = auvia_spdif_event;
    443 
    444 	if ((r = ac97_attach(&sc->host_if, self)) != 0) {
    445 		aprint_error_dev(&sc->sc_dev, "can't attach codec (error 0x%X)\n", r);
    446 		pci_intr_disestablish(pc, sc->sc_ih);
    447 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    448 		return;
    449 	}
    450 
    451 	/* setup audio_format */
    452 	memcpy(sc->sc_formats, auvia_formats, sizeof(auvia_formats));
    453 	if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_4CH(sc->codec_if)) {
    454 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_4CH_8]);
    455 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_4CH_16]);
    456 	}
    457 	if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_6CH(sc->codec_if)) {
    458 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_6CH_8]);
    459 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_6CH_16]);
    460 	}
    461 	if (AC97_IS_FIXED_RATE(sc->codec_if)) {
    462 		for (r = 0; r < AUVIA_NFORMATS; r++) {
    463 			sc->sc_formats[r].frequency_type = 1;
    464 			sc->sc_formats[r].frequency[0] = 48000;
    465 		}
    466 	}
    467 
    468 	if (0 != auconv_create_encodings(sc->sc_formats, AUVIA_NFORMATS,
    469 					 &sc->sc_encodings)) {
    470 		sc->codec_if->vtbl->detach(sc->codec_if);
    471 		pci_intr_disestablish(pc, sc->sc_ih);
    472 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    473 		return;
    474 	}
    475 	if (0 != auconv_create_encodings(auvia_spdif_formats,
    476 	    AUVIA_SPDIF_NFORMATS, &sc->sc_spdif_encodings)) {
    477 		sc->codec_if->vtbl->detach(sc->codec_if);
    478 		pci_intr_disestablish(pc, sc->sc_ih);
    479 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    480 		return;
    481 	}
    482 
    483 	if (!pmf_device_register(self, NULL, auvia_resume))
    484 		aprint_error_dev(self, "couldn't establish power handler\n");
    485 
    486 	audio_attach_mi(&auvia_hw_if, sc, &sc->sc_dev);
    487 	sc->codec_if->vtbl->unlock(sc->codec_if);
    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_encoding(void *addr, struct audio_encoding *fp)
    632 {
    633 	struct auvia_softc *sc;
    634 
    635 	sc = (struct auvia_softc *)addr;
    636 	return auconv_query_encoding(
    637 	    sc->sc_spdif ? sc->sc_spdif_encodings : sc->sc_encodings, fp);
    638 }
    639 
    640 static void
    641 auvia_set_params_sub(struct auvia_softc *sc, struct auvia_softc_chan *ch,
    642 		     const audio_params_t *p)
    643 {
    644 	uint32_t v;
    645 	uint16_t regval;
    646 
    647 	if (!(sc->sc_flags & AUVIA_FLAGS_VT8233)) {
    648 		regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0)
    649 			| (p->precision  == 16 ?
    650 				AUVIA_RPMODE_16BIT : 0)
    651 			| AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL
    652 			| AUVIA_RPMODE_AUTOSTART;
    653 		ch->sc_reg = regval;
    654 	} else if (ch->sc_base != VIA8233_MP_BASE) {
    655 		v = CH_READ4(sc, ch, VIA8233_RP_RATEFMT);
    656 		v &= ~(VIA8233_RATEFMT_48K | VIA8233_RATEFMT_STEREO
    657 			| VIA8233_RATEFMT_16BIT);
    658 
    659 		v |= VIA8233_RATEFMT_48K * (p->sample_rate / 20)
    660 			/ (48000 / 20);
    661 		if (p->channels == 2)
    662 			v |= VIA8233_RATEFMT_STEREO;
    663 		if (p->precision == 16)
    664 			v |= VIA8233_RATEFMT_16BIT;
    665 
    666 		CH_WRITE4(sc, ch, VIA8233_RP_RATEFMT, v);
    667 	} else {
    668 		static const u_int32_t slottab[7] =
    669 			{ 0, 0xff000011, 0xff000021, 0,
    670 			  0xff004321, 0, 0xff436521};
    671 
    672 		regval = (p->precision == 16
    673 			? VIA8233_MP_FORMAT_16BIT : VIA8233_MP_FORMAT_8BIT)
    674 			| (p->channels << 4);
    675 		CH_WRITE1(sc, ch, VIA8233_OFF_MP_FORMAT, regval);
    676 		CH_WRITE4(sc, ch, VIA8233_OFF_MP_STOP, slottab[p->channels]);
    677 	}
    678 }
    679 
    680 static int
    681 auvia_set_params(void *addr, int setmode, int usemode,
    682     audio_params_t *play, audio_params_t *rec, stream_filter_list_t *pfil,
    683     stream_filter_list_t *rfil)
    684 {
    685 	struct auvia_softc *sc;
    686 	struct auvia_softc_chan *ch;
    687 	struct audio_params *p;
    688 	struct ac97_codec_if* codec;
    689 	stream_filter_list_t *fil;
    690 	int reg, mode;
    691 	int index;
    692 
    693 	sc = addr;
    694 	codec = sc->codec_if;
    695 	/* for mode in (RECORD, PLAY) */
    696 	for (mode = AUMODE_RECORD; mode != -1;
    697 	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
    698 		if ((setmode & mode) == 0)
    699 			continue;
    700 
    701 		if (mode == AUMODE_PLAY ) {
    702 			p = play;
    703 			ch = &sc->sc_play;
    704 			reg = AC97_REG_PCM_FRONT_DAC_RATE;
    705 			fil = pfil;
    706 		} else {
    707 			p = rec;
    708 			ch = &sc->sc_record;
    709 			reg = AC97_REG_PCM_LR_ADC_RATE;
    710 			fil = rfil;
    711 		}
    712 
    713 		if (p->sample_rate < 4000 || p->sample_rate > 48000 ||
    714 		    (p->precision != 8 && p->precision != 16))
    715 			return (EINVAL);
    716 		if (sc->sc_spdif)
    717 			index = auconv_set_converter(auvia_spdif_formats,
    718 			    AUVIA_SPDIF_NFORMATS, mode, p, TRUE, fil);
    719 		else
    720 			index = auconv_set_converter(sc->sc_formats,
    721 			    AUVIA_NFORMATS, mode, p, TRUE, fil);
    722 		if (index < 0)
    723 			return EINVAL;
    724 		if (fil->req_size > 0)
    725 			p = &fil->filters[0].param;
    726 		if (!AC97_IS_FIXED_RATE(codec)) {
    727 			if (codec->vtbl->set_rate(codec, reg, &p->sample_rate))
    728 				return EINVAL;
    729 			reg = AC97_REG_PCM_SURR_DAC_RATE;
    730 			if (p->channels >= 4
    731 			    && codec->vtbl->set_rate(codec, reg,
    732 						     &p->sample_rate))
    733 				return EINVAL;
    734 			reg = AC97_REG_PCM_LFE_DAC_RATE;
    735 			if (p->channels == 6
    736 			    && codec->vtbl->set_rate(codec, reg,
    737 						     &p->sample_rate))
    738 				return EINVAL;
    739 		}
    740 		auvia_set_params_sub(sc, ch, p);
    741 	}
    742 
    743 	return 0;
    744 }
    745 
    746 static int
    747 auvia_round_blocksize(void *addr, int blk,
    748     int mode, const audio_params_t *param)
    749 {
    750 	struct auvia_softc *sc;
    751 
    752 	sc = addr;
    753 	/* XXX VT823x might have the limitation of dma_ops size */
    754 	if (sc->sc_flags & AUVIA_FLAGS_VT8233 && blk < 288)
    755 		blk = 288;
    756 
    757 	return (blk & -32);
    758 }
    759 
    760 static int
    761 auvia_halt_output(void *addr)
    762 {
    763 	struct auvia_softc *sc;
    764 	struct auvia_softc_chan *ch;
    765 
    766 	sc = addr;
    767 	ch = &(sc->sc_play);
    768 	CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
    769 	ch->sc_intr = NULL;
    770 	return 0;
    771 }
    772 
    773 static int
    774 auvia_halt_input(void *addr)
    775 {
    776 	struct auvia_softc *sc;
    777 	struct auvia_softc_chan *ch;
    778 
    779 	sc = addr;
    780 	ch = &(sc->sc_record);
    781 	CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
    782 	ch->sc_intr = NULL;
    783 	return 0;
    784 }
    785 
    786 static int
    787 auvia_getdev(void *addr, struct audio_device *retp)
    788 {
    789 	struct auvia_softc *sc;
    790 
    791 	if (retp) {
    792 		sc = addr;
    793 		if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
    794 			strncpy(retp->name, "VIA VT823x",
    795 				sizeof(retp->name));
    796 		} else {
    797 			strncpy(retp->name, "VIA VT82C686A",
    798 				sizeof(retp->name));
    799 		}
    800 		strncpy(retp->version, sc->sc_revision, sizeof(retp->version));
    801 		strncpy(retp->config, "auvia", sizeof(retp->config));
    802 	}
    803 
    804 	return 0;
    805 }
    806 
    807 static int
    808 auvia_set_port(void *addr, mixer_ctrl_t *cp)
    809 {
    810 	struct auvia_softc *sc;
    811 
    812 	sc = addr;
    813 	return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
    814 }
    815 
    816 static int
    817 auvia_get_port(void *addr, mixer_ctrl_t *cp)
    818 {
    819 	struct auvia_softc *sc;
    820 
    821 	sc = addr;
    822 	return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp);
    823 }
    824 
    825 static int
    826 auvia_query_devinfo(void *addr, mixer_devinfo_t *dip)
    827 {
    828 	struct auvia_softc *sc;
    829 
    830 	sc = addr;
    831 	return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip);
    832 }
    833 
    834 static void *
    835 auvia_malloc(void *addr, int direction, size_t size,
    836     struct malloc_type * pool, int flags)
    837 {
    838 	struct auvia_softc *sc;
    839 	struct auvia_dma *p;
    840 	int error;
    841 	int rseg;
    842 
    843 	p = malloc(sizeof(*p), pool, flags);
    844 	if (!p)
    845 		return 0;
    846 	sc = addr;
    847 	p->size = size;
    848 	if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg,
    849 				      1, &rseg, BUS_DMA_NOWAIT)) != 0) {
    850 		aprint_error_dev(&sc->sc_dev, "unable to allocate DMA, error = %d\n", error);
    851 		goto fail_alloc;
    852 	}
    853 
    854 	if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr,
    855 				    BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) {
    856 		aprint_error_dev(&sc->sc_dev, "unable to map DMA, error = %d\n",
    857 		       error);
    858 		goto fail_map;
    859 	}
    860 
    861 	if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0,
    862 				       BUS_DMA_NOWAIT, &p->map)) != 0) {
    863 		aprint_error_dev(&sc->sc_dev, "unable to create DMA map, error = %d\n",
    864 		       error);
    865 		goto fail_create;
    866 	}
    867 
    868 	if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL,
    869 				     BUS_DMA_NOWAIT)) != 0) {
    870 		aprint_error_dev(&sc->sc_dev, "unable to load DMA map, error = %d\n",
    871 		       error);
    872 		goto fail_load;
    873 	}
    874 
    875 	p->next = sc->sc_dmas;
    876 	sc->sc_dmas = p;
    877 
    878 	return p->addr;
    879 
    880 
    881 fail_load:
    882 	bus_dmamap_destroy(sc->sc_dmat, p->map);
    883 fail_create:
    884 	bus_dmamem_unmap(sc->sc_dmat, p->addr, size);
    885 fail_map:
    886 	bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
    887 fail_alloc:
    888 	free(p, pool);
    889 	return NULL;
    890 }
    891 
    892 static void
    893 auvia_free(void *addr, void *ptr, struct malloc_type *pool)
    894 {
    895 	struct auvia_softc *sc;
    896 	struct auvia_dma **pp, *p;
    897 
    898 	sc = addr;
    899 	for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next)
    900 		if (p->addr == ptr) {
    901 			bus_dmamap_unload(sc->sc_dmat, p->map);
    902 			bus_dmamap_destroy(sc->sc_dmat, p->map);
    903 			bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
    904 			bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
    905 
    906 			*pp = p->next;
    907 			free(p, pool);
    908 			return;
    909 		}
    910 
    911 	panic("auvia_free: trying to free unallocated memory");
    912 }
    913 
    914 static size_t
    915 auvia_round_buffersize(void *addr, int direction, size_t size)
    916 {
    917 
    918 	return size;
    919 }
    920 
    921 static paddr_t
    922 auvia_mappage(void *addr, void *mem, off_t off, int prot)
    923 {
    924 	struct auvia_softc *sc;
    925 	struct auvia_dma *p;
    926 
    927 	if (off < 0)
    928 		return -1;
    929 	sc = addr;
    930 	for (p = sc->sc_dmas; p && p->addr != mem; p = p->next)
    931 		continue;
    932 
    933 	if (!p)
    934 		return -1;
    935 
    936 	return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot,
    937 	    BUS_DMA_WAITOK);
    938 }
    939 
    940 static int
    941 auvia_get_props(void *addr)
    942 {
    943 	struct auvia_softc *sc;
    944 	int props;
    945 
    946 	props = AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
    947 	sc = addr;
    948 	/*
    949 	 * Even if the codec is fixed-rate, set_param() succeeds for any sample
    950 	 * rate because of aurateconv.  Applications can't know what rate the
    951 	 * device can process in the case of mmap().
    952 	 */
    953 	if (!AC97_IS_FIXED_RATE(sc->codec_if))
    954 		props |= AUDIO_PROP_MMAP;
    955 	return props;
    956 }
    957 
    958 static int
    959 auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch,
    960 	struct auvia_dma *p, void *start, void *end, int blksize)
    961 {
    962 	struct auvia_dma_op *op;
    963 	struct auvia_dma *dp;
    964 	bus_addr_t s;
    965 	size_t l;
    966 	int segs;
    967 
    968 	s = p->map->dm_segs[0].ds_addr;
    969 	l = ((char *)end - (char *)start);
    970 	segs = (l + blksize - 1) / blksize;
    971 
    972 	if (segs > (ch->sc_dma_op_count)) {
    973 		/* if old list was too small, free it */
    974 		if (ch->sc_dma_ops) {
    975 			auvia_free(sc, ch->sc_dma_ops, M_DEVBUF);
    976 		}
    977 
    978 		ch->sc_dma_ops = auvia_malloc(sc, 0,
    979 			sizeof(struct auvia_dma_op) * segs, M_DEVBUF, M_WAITOK);
    980 
    981 		if (ch->sc_dma_ops == NULL) {
    982 			aprint_error_dev(&sc->sc_dev, "couldn't build dmaops\n");
    983 			return 1;
    984 		}
    985 
    986 		for (dp = sc->sc_dmas;
    987 		     dp && dp->addr != (void *)(ch->sc_dma_ops);
    988 		     dp = dp->next)
    989 			continue;
    990 
    991 		if (!dp)
    992 			panic("%s: build_dma_ops: where'd my memory go??? "
    993 				"address (%p)\n", device_xname(&sc->sc_dev),
    994 				ch->sc_dma_ops);
    995 
    996 		ch->sc_dma_op_count = segs;
    997 		ch->sc_dma_ops_dma = dp;
    998 	}
    999 
   1000 	dp = ch->sc_dma_ops_dma;
   1001 	op = ch->sc_dma_ops;
   1002 
   1003 	while (l) {
   1004 		op->ptr = htole32(s);
   1005 		l = l - blksize;
   1006 		if (!l) {
   1007 			/* if last block */
   1008 			op->flags = htole32(AUVIA_DMAOP_EOL | blksize);
   1009 		} else {
   1010 			op->flags = htole32(AUVIA_DMAOP_FLAG | blksize);
   1011 		}
   1012 		s += blksize;
   1013 		op++;
   1014 	}
   1015 
   1016 	return 0;
   1017 }
   1018 
   1019 
   1020 static int
   1021 auvia_trigger_output(void *addr, void *start, void *end, int blksize,
   1022     void (*intr)(void *), void *arg, const audio_params_t *param)
   1023 {
   1024 	struct auvia_softc *sc;
   1025 	struct auvia_softc_chan *ch;
   1026 	struct auvia_dma *p;
   1027 
   1028 	sc = addr;
   1029 	ch = &(sc->sc_play);
   1030 	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
   1031 		continue;
   1032 
   1033 	if (!p)
   1034 		panic("auvia_trigger_output: request with bad start "
   1035 			"address (%p)", start);
   1036 
   1037 	if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
   1038 		return 1;
   1039 	}
   1040 
   1041 	ch->sc_intr = intr;
   1042 	ch->sc_arg = arg;
   1043 
   1044 	CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
   1045 		ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
   1046 
   1047 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
   1048 		if (ch->sc_base != VIA8233_MP_BASE) {
   1049 			CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
   1050 			CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
   1051 		}
   1052 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
   1053 			AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
   1054 			AUVIA_RPCTRL_STOP  | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
   1055 	} else {
   1056 		CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
   1057 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
   1058 	}
   1059 
   1060 	return 0;
   1061 }
   1062 
   1063 static int
   1064 auvia_trigger_input(void *addr, void *start, void *end, int blksize,
   1065     void (*intr)(void *), void *arg, const audio_params_t *param)
   1066 {
   1067 	struct auvia_softc *sc;
   1068 	struct auvia_softc_chan *ch;
   1069 	struct auvia_dma *p;
   1070 
   1071 	sc = addr;
   1072 	ch = &(sc->sc_record);
   1073 	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
   1074 		continue;
   1075 
   1076 	if (!p)
   1077 		panic("auvia_trigger_input: request with bad start "
   1078 			"address (%p)", start);
   1079 
   1080 	if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
   1081 		return 1;
   1082 	}
   1083 
   1084 	ch->sc_intr = intr;
   1085 	ch->sc_arg = arg;
   1086 
   1087 	CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
   1088 		  ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
   1089 
   1090 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
   1091 		CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
   1092 		CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
   1093 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
   1094 			AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
   1095 			AUVIA_RPCTRL_STOP  | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
   1096 	} else {
   1097 		CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
   1098 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
   1099 	}
   1100 
   1101 	return 0;
   1102 }
   1103 
   1104 static int
   1105 auvia_intr(void *arg)
   1106 {
   1107 	struct auvia_softc *sc;
   1108 	struct auvia_softc_chan *ch;
   1109 	u_int8_t r;
   1110 	int rval;
   1111 
   1112 	sc = arg;
   1113 	rval = 0;
   1114 
   1115 	ch = &sc->sc_record;
   1116 	r = CH_READ1(sc, ch, AUVIA_RP_STAT);
   1117 	if (r & AUVIA_RPSTAT_INTR) {
   1118 		if (sc->sc_record.sc_intr)
   1119 			sc->sc_record.sc_intr(sc->sc_record.sc_arg);
   1120 
   1121 		/* clear interrupts */
   1122 		CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
   1123 		rval = 1;
   1124 	}
   1125 
   1126 	ch = &sc->sc_play;
   1127 	r = CH_READ1(sc, ch, AUVIA_RP_STAT);
   1128 	if (r & AUVIA_RPSTAT_INTR) {
   1129 		if (sc->sc_play.sc_intr)
   1130 			sc->sc_play.sc_intr(sc->sc_play.sc_arg);
   1131 
   1132 		/* clear interrupts */
   1133 		CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
   1134 		rval = 1;
   1135 	}
   1136 
   1137 	return rval;
   1138 }
   1139 
   1140 static bool
   1141 auvia_resume(device_t dv PMF_FN_ARGS)
   1142 {
   1143 	struct auvia_softc *sc = device_private(dv);
   1144 
   1145 	auvia_reset_codec(sc);
   1146 	DELAY(1000);
   1147 	(sc->codec_if->vtbl->restore_ports)(sc->codec_if);
   1148 
   1149 	return true;
   1150 }
   1151