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auvia.c revision 1.52
      1 /*	$NetBSD: auvia.c,v 1.52 2005/06/28 00:28:41 thorpej 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 1.52 2005/06/28 00:28:41 thorpej Exp $");
     51 
     52 #include <sys/param.h>
     53 #include <sys/systm.h>
     54 #include <sys/malloc.h>
     55 #include <sys/device.h>
     56 #include <sys/audioio.h>
     57 
     58 #include <uvm/uvm_extern.h>
     59 
     60 #include <dev/pci/pcidevs.h>
     61 #include <dev/pci/pcivar.h>
     62 
     63 #include <dev/audio_if.h>
     64 #include <dev/mulaw.h>
     65 #include <dev/auconv.h>
     66 
     67 #include <dev/ic/ac97reg.h>
     68 #include <dev/ic/ac97var.h>
     69 
     70 #include <dev/pci/auviavar.h>
     71 
     72 struct auvia_dma {
     73 	struct auvia_dma *next;
     74 	caddr_t addr;
     75 	size_t size;
     76 	bus_dmamap_t map;
     77 	bus_dma_segment_t seg;
     78 };
     79 
     80 struct auvia_dma_op {
     81 	uint32_t ptr;
     82 	uint32_t flags;
     83 #define AUVIA_DMAOP_EOL		0x80000000
     84 #define AUVIA_DMAOP_FLAG	0x40000000
     85 #define AUVIA_DMAOP_STOP	0x20000000
     86 #define AUVIA_DMAOP_COUNT(x)	((x)&0x00FFFFFF)
     87 };
     88 
     89 static int	auvia_match(struct device *, struct cfdata *, void *);
     90 static void	auvia_attach(struct device *, struct device *, void *);
     91 static int	auvia_query_encoding(void *, struct audio_encoding *);
     92 static void	auvia_set_params_sub(struct auvia_softc *,
     93 				     struct auvia_softc_chan *,
     94 				     const audio_params_t *);
     95 static int	auvia_set_params(void *, int, int, audio_params_t *,
     96 				 audio_params_t *, stream_filter_list_t *,
     97 				 stream_filter_list_t *);
     98 static int	auvia_round_blocksize(void *, int, int, const audio_params_t *);
     99 static int	auvia_halt_output(void *);
    100 static int	auvia_halt_input(void *);
    101 static int	auvia_getdev(void *, struct audio_device *);
    102 static int	auvia_set_port(void *, mixer_ctrl_t *);
    103 static int	auvia_get_port(void *, mixer_ctrl_t *);
    104 static int	auvia_query_devinfo(void *, mixer_devinfo_t *);
    105 static void *	auvia_malloc(void *, int, size_t, struct malloc_type *, int);
    106 static void	auvia_free(void *, void *, struct malloc_type *);
    107 static size_t	auvia_round_buffersize(void *, int, size_t);
    108 static paddr_t	auvia_mappage(void *, void *, off_t, int);
    109 static int	auvia_get_props(void *);
    110 static int	auvia_build_dma_ops(struct auvia_softc *,
    111 				    struct auvia_softc_chan *,
    112 				    struct auvia_dma *, void *, void *, int);
    113 static int	auvia_trigger_output(void *, void *, void *, int,
    114 				     void (*)(void *), void *,
    115 				     const audio_params_t *);
    116 static int	auvia_trigger_input(void *, void *, void *, int,
    117 				    void (*)(void *), void *,
    118 				    const audio_params_t *);
    119 static void	auvia_powerhook(int, void *);
    120 static int	auvia_intr(void *);
    121 
    122 CFATTACH_DECL(auvia, sizeof (struct auvia_softc),
    123     auvia_match, auvia_attach, NULL, NULL);
    124 
    125 /* VIA VT823xx revision number */
    126 #define VIA_REV_8233C	0x20
    127 #define VIA_REV_8233	0x30
    128 #define VIA_REV_8233A	0x40
    129 #define VIA_REV_8235	0x50
    130 #define VIA_REV_8237	0x60
    131 
    132 #define AUVIA_PCICONF_JUNK	0x40
    133 #define		AUVIA_PCICONF_ENABLES	 0x00FF0000	/* reg 42 mask */
    134 #define		AUVIA_PCICONF_ACLINKENAB 0x00008000	/* ac link enab */
    135 #define		AUVIA_PCICONF_ACNOTRST	 0x00004000	/* ~(ac reset) */
    136 #define		AUVIA_PCICONF_ACSYNC	 0x00002000	/* ac sync */
    137 #define		AUVIA_PCICONF_ACVSR	 0x00000800	/* var. samp. rate */
    138 #define		AUVIA_PCICONF_ACSGD	 0x00000400	/* SGD enab */
    139 #define		AUVIA_PCICONF_ACFM	 0x00000200	/* FM enab */
    140 #define		AUVIA_PCICONF_ACSB	 0x00000100	/* SB enab */
    141 #define		AUVIA_PCICONF_PRIVALID	 0x00000001	/* primary codec rdy */
    142 
    143 #define	AUVIA_PLAY_BASE			0x00
    144 #define	AUVIA_RECORD_BASE		0x10
    145 
    146 /* *_RP_* are offsets from AUVIA_PLAY_BASE or AUVIA_RECORD_BASE */
    147 #define	AUVIA_RP_STAT			0x00
    148 #define		AUVIA_RPSTAT_INTR		0x03
    149 #define	AUVIA_RP_CONTROL		0x01
    150 #define		AUVIA_RPCTRL_START		0x80
    151 #define		AUVIA_RPCTRL_TERMINATE		0x40
    152 #define		AUVIA_RPCTRL_AUTOSTART		0x20
    153 /* The following are 8233 specific */
    154 #define		AUVIA_RPCTRL_STOP		0x04
    155 #define		AUVIA_RPCTRL_EOL		0x02
    156 #define		AUVIA_RPCTRL_FLAG		0x01
    157 #define	AUVIA_RP_MODE			0x02		/* 82c686 specific */
    158 #define		AUVIA_RPMODE_INTR_FLAG		0x01
    159 #define		AUVIA_RPMODE_INTR_EOL		0x02
    160 #define		AUVIA_RPMODE_STEREO		0x10
    161 #define		AUVIA_RPMODE_16BIT		0x20
    162 #define		AUVIA_RPMODE_AUTOSTART		0x80
    163 #define	AUVIA_RP_DMAOPS_BASE		0x04
    164 
    165 #define	VIA8233_RP_DXS_LVOL		0x02
    166 #define	VIA8233_RP_DXS_RVOL		0x03
    167 #define	VIA8233_RP_RATEFMT		0x08
    168 #define		VIA8233_RATEFMT_48K		0xfffff
    169 #define		VIA8233_RATEFMT_STEREO		0x00100000
    170 #define		VIA8233_RATEFMT_16BIT		0x00200000
    171 
    172 #define	VIA_RP_DMAOPS_COUNT		0x0c
    173 
    174 #define VIA8233_MP_BASE			0x40
    175 	/* STAT, CONTROL, DMAOPS_BASE, DMAOPS_COUNT are valid */
    176 #define VIA8233_OFF_MP_FORMAT		0x02
    177 #define		VIA8233_MP_FORMAT_8BIT		0x00
    178 #define		VIA8233_MP_FORMAT_16BIT		0x80
    179 #define		VIA8233_MP_FORMAT_CHANNLE_MASK	0x70 /* 1, 2, 4, 6 */
    180 #define VIA8233_OFF_MP_SCRATCH		0x03
    181 #define VIA8233_OFF_MP_STOP		0x08
    182 
    183 #define	AUVIA_CODEC_CTL			0x80
    184 #define		AUVIA_CODEC_READ		0x00800000
    185 #define		AUVIA_CODEC_BUSY		0x01000000
    186 #define		AUVIA_CODEC_PRIVALID		0x02000000
    187 #define		AUVIA_CODEC_INDEX(x)		((x)<<16)
    188 
    189 #define CH_WRITE1(sc, ch, off, v)	\
    190 	bus_space_write_1((sc)->sc_iot,	(sc)->sc_ioh, (ch)->sc_base + (off), v)
    191 #define CH_WRITE4(sc, ch, off, v)	\
    192 	bus_space_write_4((sc)->sc_iot,	(sc)->sc_ioh, (ch)->sc_base + (off), v)
    193 #define CH_READ1(sc, ch, off)		\
    194 	bus_space_read_1((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off))
    195 #define CH_READ4(sc, ch, off)		\
    196 	bus_space_read_4((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off))
    197 
    198 #define TIMEOUT	50
    199 
    200 static const struct audio_hw_if auvia_hw_if = {
    201 	NULL, /* open */
    202 	NULL, /* close */
    203 	NULL, /* drain */
    204 	auvia_query_encoding,
    205 	auvia_set_params,
    206 	auvia_round_blocksize,
    207 	NULL, /* commit_settings */
    208 	NULL, /* init_output */
    209 	NULL, /* init_input */
    210 	NULL, /* start_output */
    211 	NULL, /* start_input */
    212 	auvia_halt_output,
    213 	auvia_halt_input,
    214 	NULL, /* speaker_ctl */
    215 	auvia_getdev,
    216 	NULL, /* setfd */
    217 	auvia_set_port,
    218 	auvia_get_port,
    219 	auvia_query_devinfo,
    220 	auvia_malloc,
    221 	auvia_free,
    222 	auvia_round_buffersize,
    223 	auvia_mappage,
    224 	auvia_get_props,
    225 	auvia_trigger_output,
    226 	auvia_trigger_input,
    227 	NULL, /* dev_ioctl */
    228 };
    229 
    230 #define AUVIA_FORMATS_4CH_16	2
    231 #define AUVIA_FORMATS_6CH_16	3
    232 #define AUVIA_FORMATS_4CH_8	6
    233 #define AUVIA_FORMATS_6CH_8	7
    234 static const struct audio_format auvia_formats[AUVIA_NFORMATS] = {
    235 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    236 	 1, AUFMT_MONAURAL, 0, {8000, 48000}},
    237 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    238 	 2, AUFMT_STEREO, 0, {8000, 48000}},
    239 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    240 	 4, AUFMT_SURROUND4, 0, {8000, 48000}},
    241 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    242 	 6, AUFMT_DOLBY_5_1, 0, {8000, 48000}},
    243 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    244 	 1, AUFMT_MONAURAL, 0, {8000, 48000}},
    245 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    246 	 2, AUFMT_STEREO, 0, {8000, 48000}},
    247 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    248 	 4, AUFMT_SURROUND4, 0, {8000, 48000}},
    249 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 8, 8,
    250 	 6, AUFMT_DOLBY_5_1, 0, {8000, 48000}},
    251 };
    252 
    253 static int	auvia_attach_codec(void *, struct ac97_codec_if *);
    254 static int	auvia_write_codec(void *, uint8_t, uint16_t);
    255 static int	auvia_read_codec(void *, uint8_t, uint16_t *);
    256 static int	auvia_reset_codec(void *);
    257 static int	auvia_waitready_codec(struct auvia_softc *sc);
    258 static int	auvia_waitvalid_codec(struct auvia_softc *sc);
    259 
    260 
    261 static int
    262 auvia_match(struct device *parent, struct cfdata *match, void *aux)
    263 {
    264 	struct pci_attach_args *pa;
    265 
    266 	pa = (struct pci_attach_args *) aux;
    267 	if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_VIATECH)
    268 		return 0;
    269 	switch (PCI_PRODUCT(pa->pa_id)) {
    270 	case PCI_PRODUCT_VIATECH_VT82C686A_AC97:
    271 	case PCI_PRODUCT_VIATECH_VT8233_AC97:
    272 		break;
    273 	default:
    274 		return 0;
    275 	}
    276 
    277 	return 1;
    278 }
    279 
    280 static void
    281 auvia_attach(struct device *parent, struct device *self, void *aux)
    282 {
    283 	struct pci_attach_args *pa;
    284 	struct auvia_softc *sc;
    285 	const char *intrstr;
    286 	pci_chipset_tag_t pc;
    287 	pcitag_t pt;
    288 	pci_intr_handle_t ih;
    289 	bus_size_t iosize;
    290 	pcireg_t pr;
    291 	int r;
    292 	const char *revnum;	/* VT823xx revision number */
    293 
    294 	pa = aux;
    295 	sc = (struct auvia_softc *)self;
    296 	intrstr = NULL;
    297 	pc = pa->pa_pc;
    298 	pt = pa->pa_tag;
    299 	revnum = NULL;
    300 
    301 	aprint_naive(": Audio controller\n");
    302 
    303 	sc->sc_play.sc_base = AUVIA_PLAY_BASE;
    304 	sc->sc_record.sc_base = AUVIA_RECORD_BASE;
    305 	if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_VIATECH_VT8233_AC97) {
    306 		sc->sc_flags |= AUVIA_FLAGS_VT8233;
    307 		sc->sc_play.sc_base = VIA8233_MP_BASE;
    308 	}
    309 
    310 	if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot,
    311 		&sc->sc_ioh, NULL, &iosize)) {
    312 		aprint_error(": can't map i/o space\n");
    313 		return;
    314 	}
    315 
    316 	sc->sc_dmat = pa->pa_dmat;
    317 	sc->sc_pc = pc;
    318 	sc->sc_pt = pt;
    319 
    320 	r = PCI_REVISION(pa->pa_class);
    321 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
    322 		snprintf(sc->sc_revision, sizeof(sc->sc_revision), "0x%02X", r);
    323 		switch(r) {
    324 		case VIA_REV_8233C:
    325 			/* 2 rec, 4 pb, 1 multi-pb */
    326 			revnum = "3C";
    327 			break;
    328 		case VIA_REV_8233:
    329 			/* 2 rec, 4 pb, 1 multi-pb, spdif */
    330 			revnum = "3";
    331 			break;
    332 		case VIA_REV_8233A:
    333 			/* 1 rec, 1 multi-pb, spdif */
    334 			revnum = "3A";
    335 			break;
    336 		default:
    337 			break;
    338 		}
    339 		if (r >= VIA_REV_8237)
    340 			revnum = "7";
    341 		else if (r >= VIA_REV_8235) /* 2 rec, 4 pb, 1 multi-pb, spdif */
    342 			revnum = "5";
    343 		aprint_normal(": VIA Technologies VT823%s AC'97 Audio "
    344 		    "(rev %s)\n", revnum, sc->sc_revision);
    345 	} else {
    346 		sc->sc_revision[1] = '\0';
    347 		if (r == 0x20) {
    348 			sc->sc_revision[0] = 'H';
    349 		} else if ((r >= 0x10) && (r <= 0x14)) {
    350 			sc->sc_revision[0] = 'A' + (r - 0x10);
    351 		} else {
    352 			snprintf(sc->sc_revision, sizeof(sc->sc_revision),
    353 			    "0x%02X", r);
    354 		}
    355 
    356 		aprint_normal(": VIA Technologies VT82C686A AC'97 Audio "
    357 		    "(rev %s)\n", sc->sc_revision);
    358 	}
    359 
    360 	if (pci_intr_map(pa, &ih)) {
    361 		aprint_error(": couldn't map interrupt\n");
    362 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
    363 		return;
    364 	}
    365 	intrstr = pci_intr_string(pc, ih);
    366 
    367 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, auvia_intr, sc);
    368 	if (sc->sc_ih == NULL) {
    369 		aprint_error("%s: couldn't establish interrupt",
    370 		    sc->sc_dev.dv_xname);
    371 		if (intrstr != NULL)
    372 			aprint_normal(" at %s", intrstr);
    373 		aprint_normal("\n");
    374 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
    375 		return;
    376 	}
    377 
    378 	aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
    379 
    380 	/* disable SBPro compat & others */
    381 	pr = pci_conf_read(pc, pt, AUVIA_PCICONF_JUNK);
    382 
    383 	pr &= ~AUVIA_PCICONF_ENABLES; /* clear compat function enables */
    384 	/* XXX what to do about MIDI, FM, joystick? */
    385 
    386 	pr |= (AUVIA_PCICONF_ACLINKENAB | AUVIA_PCICONF_ACNOTRST
    387 		| AUVIA_PCICONF_ACVSR | AUVIA_PCICONF_ACSGD);
    388 
    389 	pr &= ~(AUVIA_PCICONF_ACFM | AUVIA_PCICONF_ACSB);
    390 
    391 	pci_conf_write(pc, pt, AUVIA_PCICONF_JUNK, pr);
    392 
    393 	sc->host_if.arg = sc;
    394 	sc->host_if.attach = auvia_attach_codec;
    395 	sc->host_if.read = auvia_read_codec;
    396 	sc->host_if.write = auvia_write_codec;
    397 	sc->host_if.reset = auvia_reset_codec;
    398 
    399 	if ((r = ac97_attach(&sc->host_if, self)) != 0) {
    400 		aprint_error("%s: can't attach codec (error 0x%X)\n",
    401 			sc->sc_dev.dv_xname, r);
    402 		pci_intr_disestablish(pc, sc->sc_ih);
    403 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
    404 		return;
    405 	}
    406 
    407 	/* setup audio_format */
    408 	memcpy(sc->sc_formats, auvia_formats, sizeof(auvia_formats));
    409 	if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_4CH(sc->codec_if)) {
    410 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_4CH_8]);
    411 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_4CH_16]);
    412 	}
    413 	if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_6CH(sc->codec_if)) {
    414 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_6CH_8]);
    415 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_6CH_16]);
    416 	}
    417 	if (AC97_IS_FIXED_RATE(sc->codec_if)) {
    418 		for (r = 0; r < AUVIA_NFORMATS; r++) {
    419 			sc->sc_formats[r].frequency_type = 1;
    420 			sc->sc_formats[r].frequency[0] = 48000;
    421 		}
    422 	}
    423 
    424 	if (0 != auconv_create_encodings(sc->sc_formats, AUVIA_NFORMATS,
    425 					 &sc->sc_encodings)) {
    426 		sc->codec_if->vtbl->detach(sc->codec_if);
    427 		pci_intr_disestablish(pc, sc->sc_ih);
    428 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
    429 		return;
    430 	}
    431 
    432 	/* Watch for power change */
    433 	sc->sc_suspend = PWR_RESUME;
    434 	sc->sc_powerhook = powerhook_establish(auvia_powerhook, sc);
    435 
    436 	audio_attach_mi(&auvia_hw_if, sc, &sc->sc_dev);
    437 	return;
    438 }
    439 
    440 static int
    441 auvia_attach_codec(void *addr, struct ac97_codec_if *cif)
    442 {
    443 	struct auvia_softc *sc;
    444 
    445 	sc = addr;
    446 	sc->codec_if = cif;
    447 	return 0;
    448 }
    449 
    450 static int
    451 auvia_reset_codec(void *addr)
    452 {
    453 	struct auvia_softc *sc;
    454 	pcireg_t r;
    455 	int i;
    456 
    457 	/* perform a codec cold reset */
    458 	sc = addr;
    459 	r = pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK);
    460 
    461 	r &= ~AUVIA_PCICONF_ACNOTRST;	/* enable RESET (active low) */
    462 	pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
    463 	delay(2);
    464 
    465 	r |= AUVIA_PCICONF_ACNOTRST;	/* disable RESET (inactive high) */
    466 	pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
    467 	delay(200);
    468 
    469 	for (i = 500000; i != 0 && !(pci_conf_read(sc->sc_pc, sc->sc_pt,
    470 		AUVIA_PCICONF_JUNK) & AUVIA_PCICONF_PRIVALID); i--)
    471 		DELAY(1);
    472 	if (i == 0) {
    473 		printf("%s: codec reset timed out\n", sc->sc_dev.dv_xname);
    474 		return ETIMEDOUT;
    475 	}
    476 	return 0;
    477 }
    478 
    479 static int
    480 auvia_waitready_codec(struct auvia_softc *sc)
    481 {
    482 	int i;
    483 
    484 	/* poll until codec not busy */
    485 	for (i = 0; (i < TIMEOUT) && (bus_space_read_4(sc->sc_iot, sc->sc_ioh,
    486 		AUVIA_CODEC_CTL) & AUVIA_CODEC_BUSY); i++)
    487 		delay(1);
    488 	if (i >= TIMEOUT) {
    489 		printf("%s: codec busy\n", sc->sc_dev.dv_xname);
    490 		return 1;
    491 	}
    492 
    493 	return 0;
    494 }
    495 
    496 static int
    497 auvia_waitvalid_codec(struct auvia_softc *sc)
    498 {
    499 	int i;
    500 
    501 	/* poll until codec valid */
    502 	for (i = 0; (i < TIMEOUT) && !(bus_space_read_4(sc->sc_iot, sc->sc_ioh,
    503 		AUVIA_CODEC_CTL) & AUVIA_CODEC_PRIVALID); i++)
    504 			delay(1);
    505 	if (i >= TIMEOUT) {
    506 		printf("%s: codec invalid\n", sc->sc_dev.dv_xname);
    507 		return 1;
    508 	}
    509 
    510 	return 0;
    511 }
    512 
    513 static int
    514 auvia_write_codec(void *addr, u_int8_t reg, u_int16_t val)
    515 {
    516 	struct auvia_softc *sc;
    517 
    518 	sc = addr;
    519 	if (auvia_waitready_codec(sc))
    520 		return 1;
    521 
    522 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
    523 		AUVIA_CODEC_PRIVALID | AUVIA_CODEC_INDEX(reg) | val);
    524 
    525 	return 0;
    526 }
    527 
    528 static int
    529 auvia_read_codec(void *addr, u_int8_t reg, u_int16_t *val)
    530 {
    531 	struct auvia_softc *sc;
    532 
    533 	sc = addr;
    534 	if (auvia_waitready_codec(sc))
    535 		return 1;
    536 
    537 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
    538 		AUVIA_CODEC_PRIVALID | AUVIA_CODEC_READ | AUVIA_CODEC_INDEX(reg));
    539 
    540 	if (auvia_waitready_codec(sc))
    541 		return 1;
    542 
    543 	if (auvia_waitvalid_codec(sc))
    544 		return 1;
    545 
    546 	*val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL);
    547 
    548 	return 0;
    549 }
    550 
    551 static int
    552 auvia_query_encoding(void *addr, struct audio_encoding *fp)
    553 {
    554 	struct auvia_softc *sc;
    555 
    556 	sc = (struct auvia_softc *)addr;
    557 	return auconv_query_encoding(sc->sc_encodings, fp);
    558 }
    559 
    560 static void
    561 auvia_set_params_sub(struct auvia_softc *sc, struct auvia_softc_chan *ch,
    562 		     const audio_params_t *p)
    563 {
    564 	uint32_t v;
    565 	uint16_t regval;
    566 
    567 	if (!(sc->sc_flags & AUVIA_FLAGS_VT8233)) {
    568 		regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0)
    569 			| (p->precision  == 16 ?
    570 				AUVIA_RPMODE_16BIT : 0)
    571 			| AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL
    572 			| AUVIA_RPMODE_AUTOSTART;
    573 		ch->sc_reg = regval;
    574 	} else if (ch->sc_base != VIA8233_MP_BASE) {
    575 		v = CH_READ4(sc, ch, VIA8233_RP_RATEFMT);
    576 		v &= ~(VIA8233_RATEFMT_48K | VIA8233_RATEFMT_STEREO
    577 			| VIA8233_RATEFMT_16BIT);
    578 
    579 		v |= VIA8233_RATEFMT_48K * (p->sample_rate / 20)
    580 			/ (48000 / 20);
    581 		if (p->channels == 2)
    582 			v |= VIA8233_RATEFMT_STEREO;
    583 		if (p->precision == 16)
    584 			v |= VIA8233_RATEFMT_16BIT;
    585 
    586 		CH_WRITE4(sc, ch, VIA8233_RP_RATEFMT, v);
    587 	} else {
    588 		static const u_int32_t slottab[7] =
    589 			{ 0, 0xff000011, 0xff000021, 0,
    590 			  0xff004321, 0, 0xff436521};
    591 
    592 		regval = (p->precision == 16
    593 			? VIA8233_MP_FORMAT_16BIT : VIA8233_MP_FORMAT_8BIT)
    594 			| (p->channels << 4);
    595 		CH_WRITE1(sc, ch, VIA8233_OFF_MP_FORMAT, regval);
    596 		CH_WRITE4(sc, ch, VIA8233_OFF_MP_STOP, slottab[p->channels]);
    597 	}
    598 }
    599 
    600 static int
    601 auvia_set_params(void *addr, int setmode, int usemode,
    602 		 audio_params_t *play, audio_params_t *rec,
    603 		 stream_filter_list_t *pfil, stream_filter_list_t *rfil)
    604 {
    605 	struct auvia_softc *sc;
    606 	struct auvia_softc_chan *ch;
    607 	struct audio_params *p;
    608 	struct ac97_codec_if* codec;
    609 	stream_filter_list_t *fil;
    610 	int reg, mode;
    611 	int index;
    612 
    613 	sc = addr;
    614 	codec = sc->codec_if;
    615 	/* for mode in (RECORD, PLAY) */
    616 	for (mode = AUMODE_RECORD; mode != -1;
    617 	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
    618 		if ((setmode & mode) == 0)
    619 			continue;
    620 
    621 		if (mode == AUMODE_PLAY ) {
    622 			p = play;
    623 			ch = &sc->sc_play;
    624 			reg = AC97_REG_PCM_FRONT_DAC_RATE;
    625 			fil = pfil;
    626 		} else {
    627 			p = rec;
    628 			ch = &sc->sc_record;
    629 			reg = AC97_REG_PCM_LR_ADC_RATE;
    630 			fil = rfil;
    631 		}
    632 
    633 		if (p->sample_rate < 4000 || p->sample_rate > 48000 ||
    634 		    (p->precision != 8 && p->precision != 16))
    635 			return (EINVAL);
    636 		index = auconv_set_converter(sc->sc_formats, AUVIA_NFORMATS,
    637 					     mode, p, TRUE, fil);
    638 		if (index < 0)
    639 			return EINVAL;
    640 		if (fil->req_size > 0)
    641 			p = &fil->filters[0].param;
    642 		if (!AC97_IS_FIXED_RATE(codec)) {
    643 			if (codec->vtbl->set_rate(codec, reg, &p->sample_rate))
    644 				return EINVAL;
    645 			reg = AC97_REG_PCM_SURR_DAC_RATE;
    646 			if (p->channels >= 4
    647 			    && codec->vtbl->set_rate(codec, reg,
    648 						     &p->sample_rate))
    649 				return EINVAL;
    650 			reg = AC97_REG_PCM_LFE_DAC_RATE;
    651 			if (p->channels == 6
    652 			    && codec->vtbl->set_rate(codec, reg,
    653 						     &p->sample_rate))
    654 				return EINVAL;
    655 		}
    656 		auvia_set_params_sub(sc, ch, p);
    657 	}
    658 
    659 	return 0;
    660 }
    661 
    662 static int
    663 auvia_round_blocksize(void *addr, int blk,
    664 		      int mode, const audio_params_t *param)
    665 {
    666 	struct auvia_softc *sc;
    667 
    668 	sc = addr;
    669 	/* XXX VT823x might have the limitation of dma_ops size */
    670 	if (sc->sc_flags & AUVIA_FLAGS_VT8233 && blk < 288)
    671 		blk = 288;
    672 
    673 	return (blk & -32);
    674 }
    675 
    676 static int
    677 auvia_halt_output(void *addr)
    678 {
    679 	struct auvia_softc *sc;
    680 	struct auvia_softc_chan *ch;
    681 
    682 	sc = addr;
    683 	ch = &(sc->sc_play);
    684 	CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
    685 	ch->sc_intr = NULL;
    686 	return 0;
    687 }
    688 
    689 static int
    690 auvia_halt_input(void *addr)
    691 {
    692 	struct auvia_softc *sc;
    693 	struct auvia_softc_chan *ch;
    694 
    695 	sc = addr;
    696 	ch = &(sc->sc_record);
    697 	CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
    698 	ch->sc_intr = NULL;
    699 	return 0;
    700 }
    701 
    702 static int
    703 auvia_getdev(void *addr, struct audio_device *retp)
    704 {
    705 	struct auvia_softc *sc;
    706 
    707 	if (retp) {
    708 		sc = addr;
    709 		if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
    710 			strncpy(retp->name, "VIA VT823x",
    711 				sizeof(retp->name));
    712 		} else {
    713 			strncpy(retp->name, "VIA VT82C686A",
    714 				sizeof(retp->name));
    715 		}
    716 		strncpy(retp->version, sc->sc_revision, sizeof(retp->version));
    717 		strncpy(retp->config, "auvia", sizeof(retp->config));
    718 	}
    719 
    720 	return 0;
    721 }
    722 
    723 static int
    724 auvia_set_port(void *addr, mixer_ctrl_t *cp)
    725 {
    726 	struct auvia_softc *sc;
    727 
    728 	sc = addr;
    729 	return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
    730 }
    731 
    732 static int
    733 auvia_get_port(void *addr, mixer_ctrl_t *cp)
    734 {
    735 	struct auvia_softc *sc;
    736 
    737 	sc = addr;
    738 	return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp);
    739 }
    740 
    741 static int
    742 auvia_query_devinfo(void *addr, mixer_devinfo_t *dip)
    743 {
    744 	struct auvia_softc *sc;
    745 
    746 	sc = addr;
    747 	return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip);
    748 }
    749 
    750 static void *
    751 auvia_malloc(void *addr, int direction, size_t size, struct malloc_type * pool,
    752     int flags)
    753 {
    754 	struct auvia_softc *sc;
    755 	struct auvia_dma *p;
    756 	int error;
    757 	int rseg;
    758 
    759 	p = malloc(sizeof(*p), pool, flags);
    760 	if (!p)
    761 		return 0;
    762 	sc = addr;
    763 	p->size = size;
    764 	if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg,
    765 				      1, &rseg, BUS_DMA_NOWAIT)) != 0) {
    766 		printf("%s: unable to allocate DMA, error = %d\n",
    767 		       sc->sc_dev.dv_xname, error);
    768 		goto fail_alloc;
    769 	}
    770 
    771 	if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr,
    772 				    BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) {
    773 		printf("%s: unable to map DMA, error = %d\n",
    774 		       sc->sc_dev.dv_xname, error);
    775 		goto fail_map;
    776 	}
    777 
    778 	if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0,
    779 				       BUS_DMA_NOWAIT, &p->map)) != 0) {
    780 		printf("%s: unable to create DMA map, error = %d\n",
    781 		       sc->sc_dev.dv_xname, error);
    782 		goto fail_create;
    783 	}
    784 
    785 	if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL,
    786 				     BUS_DMA_NOWAIT)) != 0) {
    787 		printf("%s: unable to load DMA map, error = %d\n",
    788 		       sc->sc_dev.dv_xname, error);
    789 		goto fail_load;
    790 	}
    791 
    792 	p->next = sc->sc_dmas;
    793 	sc->sc_dmas = p;
    794 
    795 	return p->addr;
    796 
    797 
    798 fail_load:
    799 	bus_dmamap_destroy(sc->sc_dmat, p->map);
    800 fail_create:
    801 	bus_dmamem_unmap(sc->sc_dmat, p->addr, size);
    802 fail_map:
    803 	bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
    804 fail_alloc:
    805 	free(p, pool);
    806 	return NULL;
    807 }
    808 
    809 static void
    810 auvia_free(void *addr, void *ptr, struct malloc_type *pool)
    811 {
    812 	struct auvia_softc *sc;
    813 	struct auvia_dma **pp, *p;
    814 
    815 	sc = addr;
    816 	for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next)
    817 		if (p->addr == ptr) {
    818 			bus_dmamap_unload(sc->sc_dmat, p->map);
    819 			bus_dmamap_destroy(sc->sc_dmat, p->map);
    820 			bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
    821 			bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
    822 
    823 			*pp = p->next;
    824 			free(p, pool);
    825 			return;
    826 		}
    827 
    828 	panic("auvia_free: trying to free unallocated memory");
    829 }
    830 
    831 static size_t
    832 auvia_round_buffersize(void *addr, int direction, size_t size)
    833 {
    834 
    835 	return size;
    836 }
    837 
    838 static paddr_t
    839 auvia_mappage(void *addr, void *mem, off_t off, int prot)
    840 {
    841 	struct auvia_softc *sc;
    842 	struct auvia_dma *p;
    843 
    844 	if (off < 0)
    845 		return -1;
    846 	sc = addr;
    847 	for (p = sc->sc_dmas; p && p->addr != mem; p = p->next)
    848 		continue;
    849 
    850 	if (!p)
    851 		return -1;
    852 
    853 	return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot,
    854 	    BUS_DMA_WAITOK);
    855 }
    856 
    857 static int
    858 auvia_get_props(void *addr)
    859 {
    860 	struct auvia_softc *sc;
    861 	int props;
    862 
    863 	props = AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
    864 	sc = addr;
    865 	/*
    866 	 * Even if the codec is fixed-rate, set_param() succeeds for any sample
    867 	 * rate because of aurateconv.  Applications can't know what rate the
    868 	 * device can process in the case of mmap().
    869 	 */
    870 	if (!AC97_IS_FIXED_RATE(sc->codec_if))
    871 		props |= AUDIO_PROP_MMAP;
    872 	return props;
    873 }
    874 
    875 static int
    876 auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch,
    877 	struct auvia_dma *p, void *start, void *end, int blksize)
    878 {
    879 	struct auvia_dma_op *op;
    880 	struct auvia_dma *dp;
    881 	bus_addr_t s;
    882 	size_t l;
    883 	int segs;
    884 
    885 	s = p->map->dm_segs[0].ds_addr;
    886 	l = ((char *)end - (char *)start);
    887 	segs = (l + blksize - 1) / blksize;
    888 
    889 	if (segs > (ch->sc_dma_op_count)) {
    890 		/* if old list was too small, free it */
    891 		if (ch->sc_dma_ops) {
    892 			auvia_free(sc, ch->sc_dma_ops, M_DEVBUF);
    893 		}
    894 
    895 		ch->sc_dma_ops = auvia_malloc(sc, 0,
    896 			sizeof(struct auvia_dma_op) * segs, M_DEVBUF, M_WAITOK);
    897 
    898 		if (ch->sc_dma_ops == NULL) {
    899 			printf("%s: couldn't build dmaops\n", sc->sc_dev.dv_xname);
    900 			return 1;
    901 		}
    902 
    903 		for (dp = sc->sc_dmas;
    904 		     dp && dp->addr != (void *)(ch->sc_dma_ops);
    905 		     dp = dp->next)
    906 			continue;
    907 
    908 		if (!dp)
    909 			panic("%s: build_dma_ops: where'd my memory go??? "
    910 				"address (%p)\n", sc->sc_dev.dv_xname,
    911 				ch->sc_dma_ops);
    912 
    913 		ch->sc_dma_op_count = segs;
    914 		ch->sc_dma_ops_dma = dp;
    915 	}
    916 
    917 	dp = ch->sc_dma_ops_dma;
    918 	op = ch->sc_dma_ops;
    919 
    920 	while (l) {
    921 		op->ptr = s;
    922 		l = l - blksize;
    923 		if (!l) {
    924 			/* if last block */
    925 			op->flags = AUVIA_DMAOP_EOL | blksize;
    926 		} else {
    927 			op->flags = AUVIA_DMAOP_FLAG | blksize;
    928 		}
    929 		s += blksize;
    930 		op++;
    931 	}
    932 
    933 	return 0;
    934 }
    935 
    936 
    937 static int
    938 auvia_trigger_output(void *addr, void *start, void *end,
    939 	int blksize, void (*intr)(void *), void *arg,
    940 	const audio_params_t *param)
    941 {
    942 	struct auvia_softc *sc;
    943 	struct auvia_softc_chan *ch;
    944 	struct auvia_dma *p;
    945 
    946 	sc = addr;
    947 	ch = &(sc->sc_play);
    948 	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
    949 		continue;
    950 
    951 	if (!p)
    952 		panic("auvia_trigger_output: request with bad start "
    953 			"address (%p)", start);
    954 
    955 	if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
    956 		return 1;
    957 	}
    958 
    959 	ch->sc_intr = intr;
    960 	ch->sc_arg = arg;
    961 
    962 	CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
    963 		ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
    964 
    965 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
    966 		if (ch->sc_base != VIA8233_MP_BASE) {
    967 			CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
    968 			CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
    969 		}
    970 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
    971 			AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
    972 			AUVIA_RPCTRL_STOP  | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
    973 	} else {
    974 		CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
    975 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
    976 	}
    977 
    978 	return 0;
    979 }
    980 
    981 static int
    982 auvia_trigger_input(void *addr, void *start, void *end,
    983 	int blksize, void (*intr)(void *), void *arg,
    984 	const audio_params_t *param)
    985 {
    986 	struct auvia_softc *sc;
    987 	struct auvia_softc_chan *ch;
    988 	struct auvia_dma *p;
    989 
    990 	sc = addr;
    991 	ch = &(sc->sc_record);
    992 	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
    993 		continue;
    994 
    995 	if (!p)
    996 		panic("auvia_trigger_input: request with bad start "
    997 			"address (%p)", start);
    998 
    999 	if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
   1000 		return 1;
   1001 	}
   1002 
   1003 	ch->sc_intr = intr;
   1004 	ch->sc_arg = arg;
   1005 
   1006 	CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
   1007 		  ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
   1008 
   1009 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
   1010 		CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
   1011 		CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
   1012 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
   1013 			AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
   1014 			AUVIA_RPCTRL_STOP  | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
   1015 	} else {
   1016 		CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
   1017 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
   1018 	}
   1019 
   1020 	return 0;
   1021 }
   1022 
   1023 static int
   1024 auvia_intr(void *arg)
   1025 {
   1026 	struct auvia_softc *sc;
   1027 	struct auvia_softc_chan *ch;
   1028 	u_int8_t r;
   1029 	int rval;
   1030 
   1031 	sc = arg;
   1032 	rval = 0;
   1033 
   1034 	ch = &sc->sc_record;
   1035 	r = CH_READ1(sc, ch, AUVIA_RP_STAT);
   1036 	if (r & AUVIA_RPSTAT_INTR) {
   1037 		if (sc->sc_record.sc_intr)
   1038 			sc->sc_record.sc_intr(sc->sc_record.sc_arg);
   1039 
   1040 		/* clear interrupts */
   1041 		CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
   1042 		rval = 1;
   1043 	}
   1044 
   1045 	ch = &sc->sc_play;
   1046 	r = CH_READ1(sc, ch, AUVIA_RP_STAT);
   1047 	if (r & AUVIA_RPSTAT_INTR) {
   1048 		if (sc->sc_play.sc_intr)
   1049 			sc->sc_play.sc_intr(sc->sc_play.sc_arg);
   1050 
   1051 		/* clear interrupts */
   1052 		CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
   1053 		rval = 1;
   1054 	}
   1055 
   1056 	return rval;
   1057 }
   1058 
   1059 static void
   1060 auvia_powerhook(int why, void *addr)
   1061 {
   1062 	struct auvia_softc *sc;
   1063 
   1064 	sc = addr;
   1065 	switch (why) {
   1066 	case PWR_SUSPEND:
   1067 	case PWR_STANDBY:
   1068 		/* Power down */
   1069 		sc->sc_suspend = why;
   1070 		break;
   1071 
   1072 	case PWR_RESUME:
   1073 		/* Wake up */
   1074 		if (sc->sc_suspend == PWR_RESUME) {
   1075 			printf("%s: resume without suspend.\n",
   1076 			    sc->sc_dev.dv_xname);
   1077 			sc->sc_suspend = why;
   1078 			return;
   1079 		}
   1080 		sc->sc_suspend = why;
   1081 		auvia_reset_codec(sc);
   1082 		DELAY(1000);
   1083 		(sc->codec_if->vtbl->restore_ports)(sc->codec_if);
   1084 		break;
   1085 
   1086 	case PWR_SOFTSUSPEND:
   1087 	case PWR_SOFTSTANDBY:
   1088 	case PWR_SOFTRESUME:
   1089 		break;
   1090 	}
   1091 }
   1092