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auvia.c revision 1.73
      1 /*	$NetBSD: auvia.c,v 1.73 2010/11/13 13:52:05 uebayasi 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 1.73 2010/11/13 13:52:05 uebayasi 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 <dev/pci/pcidevs.h>
     52 #include <dev/pci/pcivar.h>
     53 
     54 #include <dev/audio_if.h>
     55 #include <dev/mulaw.h>
     56 #include <dev/auconv.h>
     57 
     58 #include <dev/ic/ac97reg.h>
     59 #include <dev/ic/ac97var.h>
     60 
     61 #include <dev/pci/auviavar.h>
     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_encoding(void *, struct audio_encoding *);
     87 static void	auvia_set_params_sub(struct auvia_softc *,
     88 				     struct auvia_softc_chan *,
     89 				     const audio_params_t *);
     90 static int	auvia_set_params(void *, int, int, audio_params_t *,
     91 				 audio_params_t *, stream_filter_list_t *,
     92 				 stream_filter_list_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, struct malloc_type *, int);
    101 static void	auvia_free(void *, void *, struct malloc_type *);
    102 static size_t	auvia_round_buffersize(void *, int, size_t);
    103 static paddr_t	auvia_mappage(void *, void *, off_t, int);
    104 static int	auvia_get_props(void *);
    105 static int	auvia_build_dma_ops(struct auvia_softc *,
    106 				    struct auvia_softc_chan *,
    107 				    struct auvia_dma *, void *, void *, int);
    108 static int	auvia_trigger_output(void *, void *, void *, int,
    109 				     void (*)(void *), void *,
    110 				     const audio_params_t *);
    111 static int	auvia_trigger_input(void *, void *, void *, int,
    112 				    void (*)(void *), void *,
    113 				    const audio_params_t *);
    114 static bool	auvia_resume(device_t, const pmf_qual_t *);
    115 static int	auvia_intr(void *);
    116 
    117 static int	auvia_attach_codec(void *, struct ac97_codec_if *);
    118 static int	auvia_write_codec(void *, uint8_t, uint16_t);
    119 static int	auvia_read_codec(void *, uint8_t, uint16_t *);
    120 static int	auvia_reset_codec(void *);
    121 static int	auvia_waitready_codec(struct auvia_softc *);
    122 static int	auvia_waitvalid_codec(struct auvia_softc *);
    123 static void	auvia_spdif_event(void *, bool);
    124 
    125 CFATTACH_DECL2_NEW(auvia, sizeof (struct auvia_softc),
    126     auvia_match, auvia_attach, auvia_detach, NULL, NULL, auvia_childdet);
    127 
    128 /* VIA VT823xx revision number */
    129 #define VIA_REV_8233PRE	0x10
    130 #define VIA_REV_8233C	0x20
    131 #define VIA_REV_8233	0x30
    132 #define VIA_REV_8233A	0x40
    133 #define VIA_REV_8235	0x50
    134 #define VIA_REV_8237	0x60
    135 
    136 #define AUVIA_PCICONF_JUNK	0x40
    137 #define		AUVIA_PCICONF_ENABLES	 0x00FF0000	/* reg 42 mask */
    138 #define		AUVIA_PCICONF_ACLINKENAB 0x00008000	/* ac link enab */
    139 #define		AUVIA_PCICONF_ACNOTRST	 0x00004000	/* ~(ac reset) */
    140 #define		AUVIA_PCICONF_ACSYNC	 0x00002000	/* ac sync */
    141 #define		AUVIA_PCICONF_ACVSR	 0x00000800	/* var. samp. rate */
    142 #define		AUVIA_PCICONF_ACSGD	 0x00000400	/* SGD enab */
    143 #define		AUVIA_PCICONF_ACFM	 0x00000200	/* FM enab */
    144 #define		AUVIA_PCICONF_ACSB	 0x00000100	/* SB enab */
    145 #define		AUVIA_PCICONF_PRIVALID	 0x00000001	/* primary codec rdy */
    146 
    147 #define	AUVIA_PLAY_BASE			0x00
    148 #define	AUVIA_RECORD_BASE		0x10
    149 
    150 /* *_RP_* are offsets from AUVIA_PLAY_BASE or AUVIA_RECORD_BASE */
    151 #define	AUVIA_RP_STAT			0x00
    152 #define		AUVIA_RPSTAT_INTR		0x03
    153 #define	AUVIA_RP_CONTROL		0x01
    154 #define		AUVIA_RPCTRL_START		0x80
    155 #define		AUVIA_RPCTRL_TERMINATE		0x40
    156 #define		AUVIA_RPCTRL_AUTOSTART		0x20
    157 /* The following are 8233 specific */
    158 #define		AUVIA_RPCTRL_STOP		0x04
    159 #define		AUVIA_RPCTRL_EOL		0x02
    160 #define		AUVIA_RPCTRL_FLAG		0x01
    161 #define	AUVIA_RP_MODE			0x02		/* 82c686 specific */
    162 #define		AUVIA_RPMODE_INTR_FLAG		0x01
    163 #define		AUVIA_RPMODE_INTR_EOL		0x02
    164 #define		AUVIA_RPMODE_STEREO		0x10
    165 #define		AUVIA_RPMODE_16BIT		0x20
    166 #define		AUVIA_RPMODE_AUTOSTART		0x80
    167 #define	AUVIA_RP_DMAOPS_BASE		0x04
    168 
    169 #define	VIA8233_RP_DXS_LVOL		0x02
    170 #define	VIA8233_RP_DXS_RVOL		0x03
    171 #define	VIA8233_RP_RATEFMT		0x08
    172 #define		VIA8233_RATEFMT_48K		0xfffff
    173 #define		VIA8233_RATEFMT_STEREO		0x00100000
    174 #define		VIA8233_RATEFMT_16BIT		0x00200000
    175 
    176 #define	VIA_RP_DMAOPS_COUNT		0x0c
    177 
    178 #define VIA8233_MP_BASE			0x40
    179 	/* STAT, CONTROL, DMAOPS_BASE, DMAOPS_COUNT are valid */
    180 #define VIA8233_OFF_MP_FORMAT		0x02
    181 #define		VIA8233_MP_FORMAT_8BIT		0x00
    182 #define		VIA8233_MP_FORMAT_16BIT		0x80
    183 #define		VIA8233_MP_FORMAT_CHANNLE_MASK	0x70 /* 1, 2, 4, 6 */
    184 #define VIA8233_OFF_MP_SCRATCH		0x03
    185 #define VIA8233_OFF_MP_STOP		0x08
    186 
    187 #define VIA8233_WR_BASE			0x60
    188 
    189 #define	AUVIA_CODEC_CTL			0x80
    190 #define		AUVIA_CODEC_READ		0x00800000
    191 #define		AUVIA_CODEC_BUSY		0x01000000
    192 #define		AUVIA_CODEC_PRIVALID		0x02000000
    193 #define		AUVIA_CODEC_INDEX(x)		((x)<<16)
    194 
    195 #define CH_WRITE1(sc, ch, off, v)	\
    196 	bus_space_write_1((sc)->sc_iot,	(sc)->sc_ioh, (ch)->sc_base + (off), v)
    197 #define CH_WRITE4(sc, ch, off, v)	\
    198 	bus_space_write_4((sc)->sc_iot,	(sc)->sc_ioh, (ch)->sc_base + (off), v)
    199 #define CH_READ1(sc, ch, off)		\
    200 	bus_space_read_1((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off))
    201 #define CH_READ4(sc, ch, off)		\
    202 	bus_space_read_4((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off))
    203 
    204 #define TIMEOUT	50
    205 
    206 static const struct audio_hw_if auvia_hw_if = {
    207 	auvia_open,
    208 	auvia_close,
    209 	NULL, /* drain */
    210 	auvia_query_encoding,
    211 	auvia_set_params,
    212 	auvia_round_blocksize,
    213 	NULL, /* commit_settings */
    214 	NULL, /* init_output */
    215 	NULL, /* init_input */
    216 	NULL, /* start_output */
    217 	NULL, /* start_input */
    218 	auvia_halt_output,
    219 	auvia_halt_input,
    220 	NULL, /* speaker_ctl */
    221 	auvia_getdev,
    222 	NULL, /* setfd */
    223 	auvia_set_port,
    224 	auvia_get_port,
    225 	auvia_query_devinfo,
    226 	auvia_malloc,
    227 	auvia_free,
    228 	auvia_round_buffersize,
    229 	auvia_mappage,
    230 	auvia_get_props,
    231 	auvia_trigger_output,
    232 	auvia_trigger_input,
    233 	NULL, /* dev_ioctl */
    234 	NULL, /* powerstate */
    235 };
    236 
    237 #define AUVIA_FORMATS_4CH_16	2
    238 #define AUVIA_FORMATS_6CH_16	3
    239 #define AUVIA_FORMATS_4CH_8	6
    240 #define AUVIA_FORMATS_6CH_8	7
    241 static const struct audio_format auvia_formats[AUVIA_NFORMATS] = {
    242 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    243 	 1, AUFMT_MONAURAL, 0, {8000, 48000}},
    244 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    245 	 2, AUFMT_STEREO, 0, {8000, 48000}},
    246 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    247 	 4, AUFMT_SURROUND4, 0, {8000, 48000}},
    248 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    249 	 6, AUFMT_DOLBY_5_1, 0, {8000, 48000}},
    250 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    251 	 1, AUFMT_MONAURAL, 0, {8000, 48000}},
    252 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    253 	 2, AUFMT_STEREO, 0, {8000, 48000}},
    254 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    255 	 4, AUFMT_SURROUND4, 0, {8000, 48000}},
    256 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 8, 8,
    257 	 6, AUFMT_DOLBY_5_1, 0, {8000, 48000}},
    258 };
    259 
    260 #define	AUVIA_SPDIF_NFORMATS	1
    261 static const struct audio_format auvia_spdif_formats[AUVIA_SPDIF_NFORMATS] = {
    262 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    263 	 2, AUFMT_STEREO, 1, {48000}},
    264 };
    265 
    266 
    267 static int
    268 auvia_match(device_t parent, cfdata_t match, void *aux)
    269 {
    270 	struct pci_attach_args *pa;
    271 
    272 	pa = (struct pci_attach_args *) aux;
    273 	if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_VIATECH)
    274 		return 0;
    275 	switch (PCI_PRODUCT(pa->pa_id)) {
    276 	case PCI_PRODUCT_VIATECH_VT82C686A_AC97:
    277 	case PCI_PRODUCT_VIATECH_VT8233_AC97:
    278 		break;
    279 	default:
    280 		return 0;
    281 	}
    282 
    283 	return 1;
    284 }
    285 
    286 static void
    287 auvia_childdet(device_t self, device_t child)
    288 {
    289 	/* we hold no child references, so do nothing */
    290 }
    291 
    292 static int
    293 auvia_detach(device_t self, int flags)
    294 {
    295 	int rc;
    296 	struct auvia_softc *sc = device_private(self);
    297 
    298 	if ((rc = config_detach_children(self, flags)) != 0)
    299 		return rc;
    300 
    301 	pmf_device_deregister(self);
    302 
    303 	auconv_delete_encodings(sc->sc_encodings);
    304 	auconv_delete_encodings(sc->sc_spdif_encodings);
    305 
    306 	if (sc->codec_if != NULL)
    307 		sc->codec_if->vtbl->detach(sc->codec_if);
    308 
    309 	/* XXX restore compatibility? */
    310 
    311 	if (sc->sc_ih != NULL)
    312 		pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
    313 
    314 	bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    315 
    316 	return 0;
    317 }
    318 
    319 static void
    320 auvia_attach(device_t parent, device_t self, void *aux)
    321 {
    322 	struct pci_attach_args *pa;
    323 	struct auvia_softc *sc;
    324 	const char *intrstr;
    325 	pci_chipset_tag_t pc;
    326 	pcitag_t pt;
    327 	pci_intr_handle_t ih;
    328 	pcireg_t pr;
    329 	int r;
    330 	const char *revnum;	/* VT823xx revision number */
    331 
    332 	pa = aux;
    333 	sc = device_private(self);
    334 	sc->sc_dev = self;
    335 	intrstr = NULL;
    336 	pc = pa->pa_pc;
    337 	pt = pa->pa_tag;
    338 	revnum = NULL;
    339 
    340 	aprint_naive(": Audio controller\n");
    341 
    342 	sc->sc_play.sc_base = AUVIA_PLAY_BASE;
    343 	sc->sc_record.sc_base = AUVIA_RECORD_BASE;
    344 	if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_VIATECH_VT8233_AC97) {
    345 		sc->sc_flags |= AUVIA_FLAGS_VT8233;
    346 		sc->sc_play.sc_base = VIA8233_MP_BASE;
    347 		sc->sc_record.sc_base = VIA8233_WR_BASE;
    348 	}
    349 
    350 	if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot,
    351 		&sc->sc_ioh, NULL, &sc->sc_iosize)) {
    352 		aprint_error(": can't map i/o space\n");
    353 		return;
    354 	}
    355 
    356 	sc->sc_dmat = pa->pa_dmat;
    357 	sc->sc_pc = pc;
    358 	sc->sc_pt = pt;
    359 
    360 	r = PCI_REVISION(pa->pa_class);
    361 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
    362 		snprintf(sc->sc_revision, sizeof(sc->sc_revision), "0x%02X", r);
    363 		switch(r) {
    364 		case VIA_REV_8233PRE:
    365 			/* same as 8233, but should not be in the market */
    366 			revnum = "3-Pre";
    367 			break;
    368 		case VIA_REV_8233C:
    369 			/* 2 rec, 4 pb, 1 multi-pb */
    370 			revnum = "3C";
    371 			break;
    372 		case VIA_REV_8233:
    373 			/* 2 rec, 4 pb, 1 multi-pb, spdif */
    374 			revnum = "3";
    375 			break;
    376 		case VIA_REV_8233A:
    377 			/* 1 rec, 1 multi-pb, spdif */
    378 			revnum = "3A";
    379 			break;
    380 		default:
    381 			break;
    382 		}
    383 		if (r >= VIA_REV_8237)
    384 			revnum = "7";
    385 		else if (r >= VIA_REV_8235) /* 2 rec, 4 pb, 1 multi-pb, spdif */
    386 			revnum = "5";
    387 		aprint_normal(": VIA Technologies VT823%s AC'97 Audio "
    388 		    "(rev %s)\n", revnum, sc->sc_revision);
    389 	} else {
    390 		sc->sc_revision[1] = '\0';
    391 		if (r == 0x20) {
    392 			sc->sc_revision[0] = 'H';
    393 		} else if ((r >= 0x10) && (r <= 0x14)) {
    394 			sc->sc_revision[0] = 'A' + (r - 0x10);
    395 		} else {
    396 			snprintf(sc->sc_revision, sizeof(sc->sc_revision),
    397 			    "0x%02X", r);
    398 		}
    399 
    400 		aprint_normal(": VIA Technologies VT82C686A AC'97 Audio "
    401 		    "(rev %s)\n", sc->sc_revision);
    402 	}
    403 
    404 	if (pci_intr_map(pa, &ih)) {
    405 		aprint_error(": couldn't map interrupt\n");
    406 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    407 		return;
    408 	}
    409 	intrstr = pci_intr_string(pc, ih);
    410 
    411 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, auvia_intr, sc);
    412 	if (sc->sc_ih == NULL) {
    413 		aprint_error_dev(sc->sc_dev, "couldn't establish interrupt");
    414 		if (intrstr != NULL)
    415 			aprint_error(" at %s", intrstr);
    416 		aprint_error("\n");
    417 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    418 		return;
    419 	}
    420 
    421 	aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr);
    422 
    423 	/* disable SBPro compat & others */
    424 	pr = pci_conf_read(pc, pt, AUVIA_PCICONF_JUNK);
    425 
    426 	pr &= ~AUVIA_PCICONF_ENABLES; /* clear compat function enables */
    427 	/* XXX what to do about MIDI, FM, joystick? */
    428 
    429 	pr |= (AUVIA_PCICONF_ACLINKENAB | AUVIA_PCICONF_ACNOTRST
    430 		| AUVIA_PCICONF_ACVSR | AUVIA_PCICONF_ACSGD);
    431 
    432 	pr &= ~(AUVIA_PCICONF_ACFM | AUVIA_PCICONF_ACSB);
    433 
    434 	pci_conf_write(pc, pt, AUVIA_PCICONF_JUNK, pr);
    435 
    436 	sc->host_if.arg = sc;
    437 	sc->host_if.attach = auvia_attach_codec;
    438 	sc->host_if.read = auvia_read_codec;
    439 	sc->host_if.write = auvia_write_codec;
    440 	sc->host_if.reset = auvia_reset_codec;
    441 	sc->host_if.spdif_event = auvia_spdif_event;
    442 
    443 	if ((r = ac97_attach(&sc->host_if, self)) != 0) {
    444 		aprint_error_dev(sc->sc_dev, "can't attach codec (error 0x%X)\n", r);
    445 		pci_intr_disestablish(pc, sc->sc_ih);
    446 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    447 		return;
    448 	}
    449 
    450 	/* setup audio_format */
    451 	memcpy(sc->sc_formats, auvia_formats, sizeof(auvia_formats));
    452 	if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_4CH(sc->codec_if)) {
    453 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_4CH_8]);
    454 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_4CH_16]);
    455 	}
    456 	if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_6CH(sc->codec_if)) {
    457 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_6CH_8]);
    458 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_6CH_16]);
    459 	}
    460 	if (AC97_IS_FIXED_RATE(sc->codec_if)) {
    461 		for (r = 0; r < AUVIA_NFORMATS; r++) {
    462 			sc->sc_formats[r].frequency_type = 1;
    463 			sc->sc_formats[r].frequency[0] = 48000;
    464 		}
    465 	}
    466 
    467 	if (0 != auconv_create_encodings(sc->sc_formats, AUVIA_NFORMATS,
    468 					 &sc->sc_encodings)) {
    469 		sc->codec_if->vtbl->detach(sc->codec_if);
    470 		pci_intr_disestablish(pc, sc->sc_ih);
    471 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
    472 		aprint_error_dev(sc->sc_dev, "can't create encodings\n");
    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 		aprint_error_dev(sc->sc_dev, "can't create spdif encodings\n");
    481 		return;
    482 	}
    483 
    484 	if (!pmf_device_register(self, NULL, auvia_resume))
    485 		aprint_error_dev(self, "couldn't establish power handler\n");
    486 
    487 	audio_attach_mi(&auvia_hw_if, sc, sc->sc_dev);
    488 	sc->codec_if->vtbl->unlock(sc->codec_if);
    489 	return;
    490 }
    491 
    492 static int
    493 auvia_attach_codec(void *addr, struct ac97_codec_if *cif)
    494 {
    495 	struct auvia_softc *sc;
    496 
    497 	sc = addr;
    498 	sc->codec_if = cif;
    499 	return 0;
    500 }
    501 
    502 static int
    503 auvia_reset_codec(void *addr)
    504 {
    505 	struct auvia_softc *sc;
    506 	pcireg_t r;
    507 	int i;
    508 
    509 	/* perform a codec cold reset */
    510 	sc = addr;
    511 	r = pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK);
    512 
    513 	r &= ~AUVIA_PCICONF_ACNOTRST;	/* enable RESET (active low) */
    514 	pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
    515 	delay(2);
    516 
    517 	r |= AUVIA_PCICONF_ACNOTRST;	/* disable RESET (inactive high) */
    518 	pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
    519 	delay(200);
    520 
    521 	for (i = 500000; i != 0 && !(pci_conf_read(sc->sc_pc, sc->sc_pt,
    522 		AUVIA_PCICONF_JUNK) & AUVIA_PCICONF_PRIVALID); i--)
    523 		DELAY(1);
    524 	if (i == 0) {
    525 		printf("%s: codec reset timed out\n", device_xname(sc->sc_dev));
    526 		return ETIMEDOUT;
    527 	}
    528 	return 0;
    529 }
    530 
    531 static int
    532 auvia_waitready_codec(struct auvia_softc *sc)
    533 {
    534 	int i;
    535 
    536 	/* poll until codec not busy */
    537 	for (i = 0; (i < TIMEOUT) && (bus_space_read_4(sc->sc_iot, sc->sc_ioh,
    538 		AUVIA_CODEC_CTL) & AUVIA_CODEC_BUSY); i++)
    539 		delay(1);
    540 	if (i >= TIMEOUT) {
    541 		printf("%s: codec busy\n", device_xname(sc->sc_dev));
    542 		return 1;
    543 	}
    544 
    545 	return 0;
    546 }
    547 
    548 static int
    549 auvia_waitvalid_codec(struct auvia_softc *sc)
    550 {
    551 	int i;
    552 
    553 	/* poll until codec valid */
    554 	for (i = 0; (i < TIMEOUT) && !(bus_space_read_4(sc->sc_iot, sc->sc_ioh,
    555 		AUVIA_CODEC_CTL) & AUVIA_CODEC_PRIVALID); i++)
    556 			delay(1);
    557 	if (i >= TIMEOUT) {
    558 		printf("%s: codec invalid\n", device_xname(sc->sc_dev));
    559 		return 1;
    560 	}
    561 
    562 	return 0;
    563 }
    564 
    565 static int
    566 auvia_write_codec(void *addr, u_int8_t reg, u_int16_t val)
    567 {
    568 	struct auvia_softc *sc;
    569 
    570 	sc = addr;
    571 	if (auvia_waitready_codec(sc))
    572 		return 1;
    573 
    574 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
    575 		AUVIA_CODEC_PRIVALID | AUVIA_CODEC_INDEX(reg) | val);
    576 
    577 	return 0;
    578 }
    579 
    580 static int
    581 auvia_read_codec(void *addr, u_int8_t reg, u_int16_t *val)
    582 {
    583 	struct auvia_softc *sc;
    584 
    585 	sc = addr;
    586 	if (auvia_waitready_codec(sc))
    587 		return 1;
    588 
    589 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
    590 		AUVIA_CODEC_PRIVALID | AUVIA_CODEC_READ | AUVIA_CODEC_INDEX(reg));
    591 
    592 	if (auvia_waitready_codec(sc))
    593 		return 1;
    594 
    595 	if (auvia_waitvalid_codec(sc))
    596 		return 1;
    597 
    598 	*val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL);
    599 
    600 	return 0;
    601 }
    602 
    603 static void
    604 auvia_spdif_event(void *addr, bool flag)
    605 {
    606 	struct auvia_softc *sc;
    607 
    608 	sc = addr;
    609 	sc->sc_spdif = flag;
    610 }
    611 
    612 static int
    613 auvia_open(void *addr, int flags)
    614 {
    615 	struct auvia_softc *sc;
    616 
    617 	sc = (struct auvia_softc *)addr;
    618 	sc->codec_if->vtbl->lock(sc->codec_if);
    619 	return 0;
    620 }
    621 
    622 static void
    623 auvia_close(void *addr)
    624 {
    625 	struct auvia_softc *sc;
    626 
    627 	sc = (struct auvia_softc *)addr;
    628 	sc->codec_if->vtbl->unlock(sc->codec_if);
    629 }
    630 
    631 static int
    632 auvia_query_encoding(void *addr, struct audio_encoding *fp)
    633 {
    634 	struct auvia_softc *sc;
    635 
    636 	sc = (struct auvia_softc *)addr;
    637 	return auconv_query_encoding(
    638 	    sc->sc_spdif ? sc->sc_spdif_encodings : sc->sc_encodings, fp);
    639 }
    640 
    641 static void
    642 auvia_set_params_sub(struct auvia_softc *sc, struct auvia_softc_chan *ch,
    643 		     const audio_params_t *p)
    644 {
    645 	uint32_t v;
    646 	uint16_t regval;
    647 
    648 	if (!(sc->sc_flags & AUVIA_FLAGS_VT8233)) {
    649 		regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0)
    650 			| (p->precision  == 16 ?
    651 				AUVIA_RPMODE_16BIT : 0)
    652 			| AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL
    653 			| AUVIA_RPMODE_AUTOSTART;
    654 		ch->sc_reg = regval;
    655 	} else if (ch->sc_base != VIA8233_MP_BASE) {
    656 		v = CH_READ4(sc, ch, VIA8233_RP_RATEFMT);
    657 		v &= ~(VIA8233_RATEFMT_48K | VIA8233_RATEFMT_STEREO
    658 			| VIA8233_RATEFMT_16BIT);
    659 
    660 		v |= VIA8233_RATEFMT_48K * (p->sample_rate / 20)
    661 			/ (48000 / 20);
    662 		if (p->channels == 2)
    663 			v |= VIA8233_RATEFMT_STEREO;
    664 		if (p->precision == 16)
    665 			v |= VIA8233_RATEFMT_16BIT;
    666 
    667 		CH_WRITE4(sc, ch, VIA8233_RP_RATEFMT, v);
    668 	} else {
    669 		static const u_int32_t slottab[7] =
    670 			{ 0, 0xff000011, 0xff000021, 0,
    671 			  0xff004321, 0, 0xff436521};
    672 
    673 		regval = (p->precision == 16
    674 			? VIA8233_MP_FORMAT_16BIT : VIA8233_MP_FORMAT_8BIT)
    675 			| (p->channels << 4);
    676 		CH_WRITE1(sc, ch, VIA8233_OFF_MP_FORMAT, regval);
    677 		CH_WRITE4(sc, ch, VIA8233_OFF_MP_STOP, slottab[p->channels]);
    678 	}
    679 }
    680 
    681 static int
    682 auvia_set_params(void *addr, int setmode, int usemode,
    683     audio_params_t *play, audio_params_t *rec, stream_filter_list_t *pfil,
    684     stream_filter_list_t *rfil)
    685 {
    686 	struct auvia_softc *sc;
    687 	struct auvia_softc_chan *ch;
    688 	struct audio_params *p;
    689 	struct ac97_codec_if* codec;
    690 	stream_filter_list_t *fil;
    691 	int reg, mode;
    692 	int index;
    693 
    694 	sc = addr;
    695 	codec = sc->codec_if;
    696 	/* for mode in (RECORD, PLAY) */
    697 	for (mode = AUMODE_RECORD; mode != -1;
    698 	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
    699 		if ((setmode & mode) == 0)
    700 			continue;
    701 
    702 		if (mode == AUMODE_PLAY ) {
    703 			p = play;
    704 			ch = &sc->sc_play;
    705 			reg = AC97_REG_PCM_FRONT_DAC_RATE;
    706 			fil = pfil;
    707 		} else {
    708 			p = rec;
    709 			ch = &sc->sc_record;
    710 			reg = AC97_REG_PCM_LR_ADC_RATE;
    711 			fil = rfil;
    712 		}
    713 
    714 		if (p->sample_rate < 4000 || p->sample_rate > 48000 ||
    715 		    (p->precision != 8 && p->precision != 16))
    716 			return (EINVAL);
    717 		if (sc->sc_spdif)
    718 			index = auconv_set_converter(auvia_spdif_formats,
    719 			    AUVIA_SPDIF_NFORMATS, mode, p, TRUE, fil);
    720 		else
    721 			index = auconv_set_converter(sc->sc_formats,
    722 			    AUVIA_NFORMATS, mode, p, TRUE, fil);
    723 		if (index < 0)
    724 			return EINVAL;
    725 		if (fil->req_size > 0)
    726 			p = &fil->filters[0].param;
    727 		if (!AC97_IS_FIXED_RATE(codec)) {
    728 			if (codec->vtbl->set_rate(codec, reg, &p->sample_rate))
    729 				return EINVAL;
    730 			reg = AC97_REG_PCM_SURR_DAC_RATE;
    731 			if (p->channels >= 4
    732 			    && codec->vtbl->set_rate(codec, reg,
    733 						     &p->sample_rate))
    734 				return EINVAL;
    735 			reg = AC97_REG_PCM_LFE_DAC_RATE;
    736 			if (p->channels == 6
    737 			    && codec->vtbl->set_rate(codec, reg,
    738 						     &p->sample_rate))
    739 				return EINVAL;
    740 		}
    741 		auvia_set_params_sub(sc, ch, p);
    742 	}
    743 
    744 	return 0;
    745 }
    746 
    747 static int
    748 auvia_round_blocksize(void *addr, int blk,
    749     int mode, const audio_params_t *param)
    750 {
    751 	struct auvia_softc *sc;
    752 
    753 	sc = addr;
    754 	/* XXX VT823x might have the limitation of dma_ops size */
    755 	if (sc->sc_flags & AUVIA_FLAGS_VT8233 && blk < 288)
    756 		blk = 288;
    757 
    758 	return (blk & -32);
    759 }
    760 
    761 static int
    762 auvia_halt_output(void *addr)
    763 {
    764 	struct auvia_softc *sc;
    765 	struct auvia_softc_chan *ch;
    766 
    767 	sc = addr;
    768 	ch = &(sc->sc_play);
    769 	CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
    770 	ch->sc_intr = NULL;
    771 	return 0;
    772 }
    773 
    774 static int
    775 auvia_halt_input(void *addr)
    776 {
    777 	struct auvia_softc *sc;
    778 	struct auvia_softc_chan *ch;
    779 
    780 	sc = addr;
    781 	ch = &(sc->sc_record);
    782 	CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
    783 	ch->sc_intr = NULL;
    784 	return 0;
    785 }
    786 
    787 static int
    788 auvia_getdev(void *addr, struct audio_device *retp)
    789 {
    790 	struct auvia_softc *sc;
    791 
    792 	if (retp) {
    793 		sc = addr;
    794 		if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
    795 			strncpy(retp->name, "VIA VT823x",
    796 				sizeof(retp->name));
    797 		} else {
    798 			strncpy(retp->name, "VIA VT82C686A",
    799 				sizeof(retp->name));
    800 		}
    801 		strncpy(retp->version, sc->sc_revision, sizeof(retp->version));
    802 		strncpy(retp->config, "auvia", sizeof(retp->config));
    803 	}
    804 
    805 	return 0;
    806 }
    807 
    808 static int
    809 auvia_set_port(void *addr, mixer_ctrl_t *cp)
    810 {
    811 	struct auvia_softc *sc;
    812 
    813 	sc = addr;
    814 	return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
    815 }
    816 
    817 static int
    818 auvia_get_port(void *addr, mixer_ctrl_t *cp)
    819 {
    820 	struct auvia_softc *sc;
    821 
    822 	sc = addr;
    823 	return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp);
    824 }
    825 
    826 static int
    827 auvia_query_devinfo(void *addr, mixer_devinfo_t *dip)
    828 {
    829 	struct auvia_softc *sc;
    830 
    831 	sc = addr;
    832 	return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip);
    833 }
    834 
    835 static void *
    836 auvia_malloc(void *addr, int direction, size_t size,
    837     struct malloc_type * pool, int flags)
    838 {
    839 	struct auvia_softc *sc;
    840 	struct auvia_dma *p;
    841 	int error;
    842 	int rseg;
    843 
    844 	p = malloc(sizeof(*p), pool, flags);
    845 	if (!p)
    846 		return 0;
    847 	sc = addr;
    848 	p->size = size;
    849 	if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg,
    850 				      1, &rseg, BUS_DMA_NOWAIT)) != 0) {
    851 		aprint_error_dev(sc->sc_dev, "unable to allocate DMA, error = %d\n", error);
    852 		goto fail_alloc;
    853 	}
    854 
    855 	if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr,
    856 				    BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) {
    857 		aprint_error_dev(sc->sc_dev, "unable to map DMA, error = %d\n",
    858 		       error);
    859 		goto fail_map;
    860 	}
    861 
    862 	if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0,
    863 				       BUS_DMA_NOWAIT, &p->map)) != 0) {
    864 		aprint_error_dev(sc->sc_dev, "unable to create DMA map, error = %d\n",
    865 		       error);
    866 		goto fail_create;
    867 	}
    868 
    869 	if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL,
    870 				     BUS_DMA_NOWAIT)) != 0) {
    871 		aprint_error_dev(sc->sc_dev, "unable to load DMA map, error = %d\n",
    872 		       error);
    873 		goto fail_load;
    874 	}
    875 
    876 	p->next = sc->sc_dmas;
    877 	sc->sc_dmas = p;
    878 
    879 	return p->addr;
    880 
    881 
    882 fail_load:
    883 	bus_dmamap_destroy(sc->sc_dmat, p->map);
    884 fail_create:
    885 	bus_dmamem_unmap(sc->sc_dmat, p->addr, size);
    886 fail_map:
    887 	bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
    888 fail_alloc:
    889 	free(p, pool);
    890 	return NULL;
    891 }
    892 
    893 static void
    894 auvia_free(void *addr, void *ptr, struct malloc_type *pool)
    895 {
    896 	struct auvia_softc *sc;
    897 	struct auvia_dma **pp, *p;
    898 
    899 	sc = addr;
    900 	for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next)
    901 		if (p->addr == ptr) {
    902 			bus_dmamap_unload(sc->sc_dmat, p->map);
    903 			bus_dmamap_destroy(sc->sc_dmat, p->map);
    904 			bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
    905 			bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
    906 
    907 			*pp = p->next;
    908 			free(p, pool);
    909 			return;
    910 		}
    911 
    912 	panic("auvia_free: trying to free unallocated memory");
    913 }
    914 
    915 static size_t
    916 auvia_round_buffersize(void *addr, int direction, size_t size)
    917 {
    918 
    919 	return size;
    920 }
    921 
    922 static paddr_t
    923 auvia_mappage(void *addr, void *mem, off_t off, int prot)
    924 {
    925 	struct auvia_softc *sc;
    926 	struct auvia_dma *p;
    927 
    928 	if (off < 0)
    929 		return -1;
    930 	sc = addr;
    931 	for (p = sc->sc_dmas; p && p->addr != mem; p = p->next)
    932 		continue;
    933 
    934 	if (!p)
    935 		return -1;
    936 
    937 	return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot,
    938 	    BUS_DMA_WAITOK);
    939 }
    940 
    941 static int
    942 auvia_get_props(void *addr)
    943 {
    944 	struct auvia_softc *sc;
    945 	int props;
    946 
    947 	props = AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
    948 	sc = addr;
    949 	/*
    950 	 * Even if the codec is fixed-rate, set_param() succeeds for any sample
    951 	 * rate because of aurateconv.  Applications can't know what rate the
    952 	 * device can process in the case of mmap().
    953 	 */
    954 	if (!AC97_IS_FIXED_RATE(sc->codec_if))
    955 		props |= AUDIO_PROP_MMAP;
    956 	return props;
    957 }
    958 
    959 static int
    960 auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch,
    961 	struct auvia_dma *p, void *start, void *end, int blksize)
    962 {
    963 	struct auvia_dma_op *op;
    964 	struct auvia_dma *dp;
    965 	bus_addr_t s;
    966 	size_t l;
    967 	int segs;
    968 
    969 	s = p->map->dm_segs[0].ds_addr;
    970 	l = ((char *)end - (char *)start);
    971 	segs = (l + blksize - 1) / blksize;
    972 
    973 	if (segs > (ch->sc_dma_op_count)) {
    974 		/* if old list was too small, free it */
    975 		if (ch->sc_dma_ops) {
    976 			auvia_free(sc, ch->sc_dma_ops, M_DEVBUF);
    977 		}
    978 
    979 		ch->sc_dma_ops = auvia_malloc(sc, 0,
    980 			sizeof(struct auvia_dma_op) * segs, M_DEVBUF, M_WAITOK);
    981 
    982 		if (ch->sc_dma_ops == NULL) {
    983 			aprint_error_dev(sc->sc_dev, "couldn't build dmaops\n");
    984 			return 1;
    985 		}
    986 
    987 		for (dp = sc->sc_dmas;
    988 		     dp && dp->addr != (void *)(ch->sc_dma_ops);
    989 		     dp = dp->next)
    990 			continue;
    991 
    992 		if (!dp)
    993 			panic("%s: build_dma_ops: where'd my memory go??? "
    994 				"address (%p)\n", device_xname(sc->sc_dev),
    995 				ch->sc_dma_ops);
    996 
    997 		ch->sc_dma_op_count = segs;
    998 		ch->sc_dma_ops_dma = dp;
    999 	}
   1000 
   1001 	dp = ch->sc_dma_ops_dma;
   1002 	op = ch->sc_dma_ops;
   1003 
   1004 	while (l) {
   1005 		op->ptr = htole32(s);
   1006 		l = l - blksize;
   1007 		if (!l) {
   1008 			/* if last block */
   1009 			op->flags = htole32(AUVIA_DMAOP_EOL | blksize);
   1010 		} else {
   1011 			op->flags = htole32(AUVIA_DMAOP_FLAG | blksize);
   1012 		}
   1013 		s += blksize;
   1014 		op++;
   1015 	}
   1016 
   1017 	return 0;
   1018 }
   1019 
   1020 
   1021 static int
   1022 auvia_trigger_output(void *addr, void *start, void *end, int blksize,
   1023     void (*intr)(void *), void *arg, const audio_params_t *param)
   1024 {
   1025 	struct auvia_softc *sc;
   1026 	struct auvia_softc_chan *ch;
   1027 	struct auvia_dma *p;
   1028 
   1029 	sc = addr;
   1030 	ch = &(sc->sc_play);
   1031 	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
   1032 		continue;
   1033 
   1034 	if (!p)
   1035 		panic("auvia_trigger_output: request with bad start "
   1036 			"address (%p)", start);
   1037 
   1038 	if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
   1039 		return 1;
   1040 	}
   1041 
   1042 	ch->sc_intr = intr;
   1043 	ch->sc_arg = arg;
   1044 
   1045 	CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
   1046 		ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
   1047 
   1048 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
   1049 		if (ch->sc_base != VIA8233_MP_BASE) {
   1050 			CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
   1051 			CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
   1052 		}
   1053 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
   1054 			AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
   1055 			AUVIA_RPCTRL_STOP  | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
   1056 	} else {
   1057 		CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
   1058 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
   1059 	}
   1060 
   1061 	return 0;
   1062 }
   1063 
   1064 static int
   1065 auvia_trigger_input(void *addr, void *start, void *end, int blksize,
   1066     void (*intr)(void *), void *arg, const audio_params_t *param)
   1067 {
   1068 	struct auvia_softc *sc;
   1069 	struct auvia_softc_chan *ch;
   1070 	struct auvia_dma *p;
   1071 
   1072 	sc = addr;
   1073 	ch = &(sc->sc_record);
   1074 	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
   1075 		continue;
   1076 
   1077 	if (!p)
   1078 		panic("auvia_trigger_input: request with bad start "
   1079 			"address (%p)", start);
   1080 
   1081 	if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
   1082 		return 1;
   1083 	}
   1084 
   1085 	ch->sc_intr = intr;
   1086 	ch->sc_arg = arg;
   1087 
   1088 	CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
   1089 		  ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
   1090 
   1091 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
   1092 		CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
   1093 		CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
   1094 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
   1095 			AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
   1096 			AUVIA_RPCTRL_STOP  | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
   1097 	} else {
   1098 		CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
   1099 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
   1100 	}
   1101 
   1102 	return 0;
   1103 }
   1104 
   1105 static int
   1106 auvia_intr(void *arg)
   1107 {
   1108 	struct auvia_softc *sc;
   1109 	struct auvia_softc_chan *ch;
   1110 	u_int8_t r;
   1111 	int rval;
   1112 
   1113 	sc = arg;
   1114 	rval = 0;
   1115 
   1116 	ch = &sc->sc_record;
   1117 	r = CH_READ1(sc, ch, AUVIA_RP_STAT);
   1118 	if (r & AUVIA_RPSTAT_INTR) {
   1119 		if (sc->sc_record.sc_intr)
   1120 			sc->sc_record.sc_intr(sc->sc_record.sc_arg);
   1121 
   1122 		/* clear interrupts */
   1123 		CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
   1124 		rval = 1;
   1125 	}
   1126 
   1127 	ch = &sc->sc_play;
   1128 	r = CH_READ1(sc, ch, AUVIA_RP_STAT);
   1129 	if (r & AUVIA_RPSTAT_INTR) {
   1130 		if (sc->sc_play.sc_intr)
   1131 			sc->sc_play.sc_intr(sc->sc_play.sc_arg);
   1132 
   1133 		/* clear interrupts */
   1134 		CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
   1135 		rval = 1;
   1136 	}
   1137 
   1138 	return rval;
   1139 }
   1140 
   1141 static bool
   1142 auvia_resume(device_t dv, const pmf_qual_t *qual)
   1143 {
   1144 	struct auvia_softc *sc = device_private(dv);
   1145 
   1146 	auvia_reset_codec(sc);
   1147 	DELAY(1000);
   1148 	(sc->codec_if->vtbl->restore_ports)(sc->codec_if);
   1149 
   1150 	return true;
   1151 }
   1152