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auvia.c revision 1.50
      1 /*	$NetBSD: auvia.c,v 1.50 2005/01/10 22:01:37 kent 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 1.50 2005/01/10 22:01:37 kent 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 	u_int32_t ptr;
     82 	u_int32_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 int	auvia_match(struct device *, struct cfdata *, void *);
     90 void	auvia_attach(struct device *, struct device *, void *);
     91 int	auvia_query_encoding(void *, struct audio_encoding *);
     92 void	auvia_set_params_sub(struct auvia_softc *, struct auvia_softc_chan *,
     93 	const audio_params_t *);
     94 int	auvia_set_params(void *, int, int, audio_params_t *, audio_params_t *,
     95 	stream_filter_list_t *, stream_filter_list_t *);
     96 int	auvia_round_blocksize(void *, int, int, const audio_params_t *);
     97 int	auvia_halt_output(void *);
     98 int	auvia_halt_input(void *);
     99 int	auvia_getdev(void *, struct audio_device *);
    100 int	auvia_set_port(void *, mixer_ctrl_t *);
    101 int	auvia_get_port(void *, mixer_ctrl_t *);
    102 int	auvia_query_devinfo(void *, mixer_devinfo_t *);
    103 void *	auvia_malloc(void *, int, size_t, struct malloc_type *, int);
    104 void	auvia_free(void *, void *, struct malloc_type *);
    105 size_t	auvia_round_buffersize(void *, int, size_t);
    106 paddr_t	auvia_mappage(void *, void *, off_t, int);
    107 int	auvia_get_props(void *);
    108 int	auvia_build_dma_ops(struct auvia_softc *, struct auvia_softc_chan *,
    109 	struct auvia_dma *, void *, void *, int);
    110 int	auvia_trigger_output(void *, void *, void *, int, void (*)(void *),
    111 	void *, const audio_params_t *);
    112 int	auvia_trigger_input(void *, void *, void *, int, void (*)(void *),
    113 	void *, const audio_params_t *);
    114 void	auvia_powerhook(int, void *);
    115 int	auvia_intr(void *);
    116 
    117 CFATTACH_DECL(auvia, sizeof (struct auvia_softc),
    118     auvia_match, auvia_attach, NULL, NULL);
    119 
    120 /* VIA VT823xx revision number */
    121 #define VIA_REV_8233C	0x20
    122 #define VIA_REV_8233	0x30
    123 #define VIA_REV_8233A	0x40
    124 #define VIA_REV_8235	0x50
    125 #define VIA_REV_8237	0x60
    126 
    127 #define AUVIA_PCICONF_JUNK	0x40
    128 #define		AUVIA_PCICONF_ENABLES	 0x00FF0000	/* reg 42 mask */
    129 #define		AUVIA_PCICONF_ACLINKENAB 0x00008000	/* ac link enab */
    130 #define		AUVIA_PCICONF_ACNOTRST	 0x00004000	/* ~(ac reset) */
    131 #define		AUVIA_PCICONF_ACSYNC	 0x00002000	/* ac sync */
    132 #define		AUVIA_PCICONF_ACVSR	 0x00000800	/* var. samp. rate */
    133 #define		AUVIA_PCICONF_ACSGD	 0x00000400	/* SGD enab */
    134 #define		AUVIA_PCICONF_ACFM	 0x00000200	/* FM enab */
    135 #define		AUVIA_PCICONF_ACSB	 0x00000100	/* SB enab */
    136 #define		AUVIA_PCICONF_PRIVALID	 0x00000001	/* primary codec rdy */
    137 
    138 #define	AUVIA_PLAY_BASE			0x00
    139 #define	AUVIA_RECORD_BASE		0x10
    140 
    141 /* *_RP_* are offsets from AUVIA_PLAY_BASE or AUVIA_RECORD_BASE */
    142 #define	AUVIA_RP_STAT			0x00
    143 #define		AUVIA_RPSTAT_INTR		0x03
    144 #define	AUVIA_RP_CONTROL		0x01
    145 #define		AUVIA_RPCTRL_START		0x80
    146 #define		AUVIA_RPCTRL_TERMINATE		0x40
    147 #define		AUVIA_RPCTRL_AUTOSTART		0x20
    148 /* The following are 8233 specific */
    149 #define		AUVIA_RPCTRL_STOP		0x04
    150 #define		AUVIA_RPCTRL_EOL		0x02
    151 #define		AUVIA_RPCTRL_FLAG		0x01
    152 #define	AUVIA_RP_MODE			0x02		/* 82c686 specific */
    153 #define		AUVIA_RPMODE_INTR_FLAG		0x01
    154 #define		AUVIA_RPMODE_INTR_EOL		0x02
    155 #define		AUVIA_RPMODE_STEREO		0x10
    156 #define		AUVIA_RPMODE_16BIT		0x20
    157 #define		AUVIA_RPMODE_AUTOSTART		0x80
    158 #define	AUVIA_RP_DMAOPS_BASE		0x04
    159 
    160 #define	VIA8233_RP_DXS_LVOL		0x02
    161 #define	VIA8233_RP_DXS_RVOL		0x03
    162 #define	VIA8233_RP_RATEFMT		0x08
    163 #define		VIA8233_RATEFMT_48K		0xfffff
    164 #define		VIA8233_RATEFMT_STEREO		0x00100000
    165 #define		VIA8233_RATEFMT_16BIT		0x00200000
    166 
    167 #define	VIA_RP_DMAOPS_COUNT		0x0c
    168 
    169 #define VIA8233_MP_BASE			0x40
    170 	/* STAT, CONTROL, DMAOPS_BASE, DMAOPS_COUNT are valid */
    171 #define VIA8233_OFF_MP_FORMAT		0x02
    172 #define		VIA8233_MP_FORMAT_8BIT		0x00
    173 #define		VIA8233_MP_FORMAT_16BIT		0x80
    174 #define		VIA8233_MP_FORMAT_CHANNLE_MASK	0x70 /* 1, 2, 4, 6 */
    175 #define VIA8233_OFF_MP_SCRATCH		0x03
    176 #define VIA8233_OFF_MP_STOP		0x08
    177 
    178 #define	AUVIA_CODEC_CTL			0x80
    179 #define		AUVIA_CODEC_READ		0x00800000
    180 #define		AUVIA_CODEC_BUSY		0x01000000
    181 #define		AUVIA_CODEC_PRIVALID		0x02000000
    182 #define		AUVIA_CODEC_INDEX(x)		((x)<<16)
    183 
    184 #define CH_WRITE1(sc, ch, off, v)	\
    185 	bus_space_write_1((sc)->sc_iot,	(sc)->sc_ioh, (ch)->sc_base + (off), v)
    186 #define CH_WRITE4(sc, ch, off, v)	\
    187 	bus_space_write_4((sc)->sc_iot,	(sc)->sc_ioh, (ch)->sc_base + (off), v)
    188 #define CH_READ1(sc, ch, off)		\
    189 	bus_space_read_1((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off))
    190 #define CH_READ4(sc, ch, off)		\
    191 	bus_space_read_4((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off))
    192 
    193 #define TIMEOUT	50
    194 
    195 const struct audio_hw_if auvia_hw_if = {
    196 	NULL, /* open */
    197 	NULL, /* close */
    198 	NULL, /* drain */
    199 	auvia_query_encoding,
    200 	auvia_set_params,
    201 	auvia_round_blocksize,
    202 	NULL, /* commit_settings */
    203 	NULL, /* init_output */
    204 	NULL, /* init_input */
    205 	NULL, /* start_output */
    206 	NULL, /* start_input */
    207 	auvia_halt_output,
    208 	auvia_halt_input,
    209 	NULL, /* speaker_ctl */
    210 	auvia_getdev,
    211 	NULL, /* setfd */
    212 	auvia_set_port,
    213 	auvia_get_port,
    214 	auvia_query_devinfo,
    215 	auvia_malloc,
    216 	auvia_free,
    217 	auvia_round_buffersize,
    218 	auvia_mappage,
    219 	auvia_get_props,
    220 	auvia_trigger_output,
    221 	auvia_trigger_input,
    222 	NULL, /* dev_ioctl */
    223 };
    224 
    225 #define AUVIA_FORMATS_4CH_16	2
    226 #define AUVIA_FORMATS_6CH_16	3
    227 #define AUVIA_FORMATS_4CH_8	6
    228 #define AUVIA_FORMATS_6CH_8	7
    229 static const struct audio_format auvia_formats[AUVIA_NFORMATS] = {
    230 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    231 	 1, AUFMT_MONAURAL, 0, {8000, 48000}},
    232 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    233 	 2, AUFMT_STEREO, 0, {8000, 48000}},
    234 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    235 	 4, AUFMT_SURROUND4, 0, {8000, 48000}},
    236 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    237 	 6, AUFMT_DOLBY_5_1, 0, {8000, 48000}},
    238 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    239 	 1, AUFMT_MONAURAL, 0, {8000, 48000}},
    240 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    241 	 2, AUFMT_STEREO, 0, {8000, 48000}},
    242 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    243 	 4, AUFMT_SURROUND4, 0, {8000, 48000}},
    244 	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 8, 8,
    245 	 6, AUFMT_DOLBY_5_1, 0, {8000, 48000}},
    246 };
    247 
    248 int	auvia_attach_codec(void *, struct ac97_codec_if *);
    249 int	auvia_write_codec(void *, u_int8_t, u_int16_t);
    250 int	auvia_read_codec(void *, u_int8_t, u_int16_t *);
    251 int	auvia_reset_codec(void *);
    252 int	auvia_waitready_codec(struct auvia_softc *sc);
    253 int	auvia_waitvalid_codec(struct auvia_softc *sc);
    254 
    255 
    256 int
    257 auvia_match(struct device *parent, struct cfdata *match, void *aux)
    258 {
    259 	struct pci_attach_args *pa = (struct pci_attach_args *) aux;
    260 
    261 	if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_VIATECH)
    262 		return 0;
    263 	switch (PCI_PRODUCT(pa->pa_id)) {
    264 	case PCI_PRODUCT_VIATECH_VT82C686A_AC97:
    265 	case PCI_PRODUCT_VIATECH_VT8233_AC97:
    266 		break;
    267 	default:
    268 		return 0;
    269 	}
    270 
    271 	return 1;
    272 }
    273 
    274 
    275 void
    276 auvia_attach(struct device *parent, struct device *self, void *aux)
    277 {
    278 	struct pci_attach_args *pa = aux;
    279 	struct auvia_softc *sc = (struct auvia_softc *) self;
    280 	const char *intrstr = NULL;
    281 	pci_chipset_tag_t pc = pa->pa_pc;
    282 	pcitag_t pt = pa->pa_tag;
    283 	pci_intr_handle_t ih;
    284 	bus_size_t iosize;
    285 	pcireg_t pr;
    286 	int r;
    287 	const char *revnum = NULL; /* VT823xx revision number */
    288 
    289 	aprint_naive(": Audio controller\n");
    290 
    291 	sc->sc_play.sc_base = AUVIA_PLAY_BASE;
    292 	sc->sc_record.sc_base = AUVIA_RECORD_BASE;
    293 	if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_VIATECH_VT8233_AC97) {
    294 		sc->sc_flags |= AUVIA_FLAGS_VT8233;
    295 		sc->sc_play.sc_base = VIA8233_MP_BASE;
    296 	}
    297 
    298 	if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot,
    299 		&sc->sc_ioh, NULL, &iosize)) {
    300 		aprint_error(": can't map i/o space\n");
    301 		return;
    302 	}
    303 
    304 	sc->sc_dmat = pa->pa_dmat;
    305 	sc->sc_pc = pc;
    306 	sc->sc_pt = pt;
    307 
    308 	r = PCI_REVISION(pa->pa_class);
    309 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
    310 		snprintf(sc->sc_revision, sizeof(sc->sc_revision), "0x%02X", r);
    311 		switch(r) {
    312 		case VIA_REV_8233C:
    313 			/* 2 rec, 4 pb, 1 multi-pb */
    314 			revnum = "3C";
    315 			break;
    316 		case VIA_REV_8233:
    317 			/* 2 rec, 4 pb, 1 multi-pb, spdif */
    318 			revnum = "3";
    319 			break;
    320 		case VIA_REV_8233A:
    321 			/* 1 rec, 1 multi-pb, spdif */
    322 			revnum = "3A";
    323 			break;
    324 		default:
    325 			break;
    326 		}
    327 		if (r >= VIA_REV_8237)
    328 			revnum = "7";
    329 		else if (r >= VIA_REV_8235) /* 2 rec, 4 pb, 1 multi-pb, spdif */
    330 			revnum = "5";
    331 		aprint_normal(": VIA Technologies VT823%s AC'97 Audio "
    332 		    "(rev %s)\n", revnum, sc->sc_revision);
    333 	} else {
    334 		sc->sc_revision[1] = '\0';
    335 		if (r == 0x20) {
    336 			sc->sc_revision[0] = 'H';
    337 		} else if ((r >= 0x10) && (r <= 0x14)) {
    338 			sc->sc_revision[0] = 'A' + (r - 0x10);
    339 		} else {
    340 			snprintf(sc->sc_revision, sizeof(sc->sc_revision),
    341 			    "0x%02X", r);
    342 		}
    343 
    344 		aprint_normal(": VIA Technologies VT82C686A AC'97 Audio "
    345 		    "(rev %s)\n", sc->sc_revision);
    346 	}
    347 
    348 	if (pci_intr_map(pa, &ih)) {
    349 		aprint_error(": couldn't map interrupt\n");
    350 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
    351 		return;
    352 	}
    353 	intrstr = pci_intr_string(pc, ih);
    354 
    355 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, auvia_intr, sc);
    356 	if (sc->sc_ih == NULL) {
    357 		aprint_error("%s: couldn't establish interrupt",
    358 		    sc->sc_dev.dv_xname);
    359 		if (intrstr != NULL)
    360 			aprint_normal(" at %s", intrstr);
    361 		aprint_normal("\n");
    362 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
    363 		return;
    364 	}
    365 
    366 	aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
    367 
    368 	/* disable SBPro compat & others */
    369 	pr = pci_conf_read(pc, pt, AUVIA_PCICONF_JUNK);
    370 
    371 	pr &= ~AUVIA_PCICONF_ENABLES; /* clear compat function enables */
    372 	/* XXX what to do about MIDI, FM, joystick? */
    373 
    374 	pr |= (AUVIA_PCICONF_ACLINKENAB | AUVIA_PCICONF_ACNOTRST
    375 		| AUVIA_PCICONF_ACVSR | AUVIA_PCICONF_ACSGD);
    376 
    377 	pr &= ~(AUVIA_PCICONF_ACFM | AUVIA_PCICONF_ACSB);
    378 
    379 	pci_conf_write(pc, pt, AUVIA_PCICONF_JUNK, pr);
    380 
    381 	sc->host_if.arg = sc;
    382 	sc->host_if.attach = auvia_attach_codec;
    383 	sc->host_if.read = auvia_read_codec;
    384 	sc->host_if.write = auvia_write_codec;
    385 	sc->host_if.reset = auvia_reset_codec;
    386 
    387 	if ((r = ac97_attach(&sc->host_if, self)) != 0) {
    388 		aprint_error("%s: can't attach codec (error 0x%X)\n",
    389 			sc->sc_dev.dv_xname, r);
    390 		pci_intr_disestablish(pc, sc->sc_ih);
    391 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
    392 		return;
    393 	}
    394 
    395 	/* setup audio_format */
    396 	memcpy(sc->sc_formats, auvia_formats, sizeof(auvia_formats));
    397 	if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_4CH(sc->codec_if)) {
    398 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_4CH_8]);
    399 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_4CH_16]);
    400 	}
    401 	if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_6CH(sc->codec_if)) {
    402 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_6CH_8]);
    403 		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_6CH_16]);
    404 	}
    405 	if (AC97_IS_FIXED_RATE(sc->codec_if)) {
    406 		for (r = 0; r < AUVIA_NFORMATS; r++) {
    407 			sc->sc_formats[r].frequency_type = 1;
    408 			sc->sc_formats[r].frequency[0] = 48000;
    409 		}
    410 	}
    411 
    412 	if (0 != auconv_create_encodings(sc->sc_formats, AUVIA_NFORMATS,
    413 					 &sc->sc_encodings)) {
    414 		sc->codec_if->vtbl->detach(sc->codec_if);
    415 		pci_intr_disestablish(pc, sc->sc_ih);
    416 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
    417 		return;
    418 	}
    419 
    420 	/* Watch for power change */
    421 	sc->sc_suspend = PWR_RESUME;
    422 	sc->sc_powerhook = powerhook_establish(auvia_powerhook, sc);
    423 
    424 	audio_attach_mi(&auvia_hw_if, sc, &sc->sc_dev);
    425 	return;
    426 }
    427 
    428 
    429 int
    430 auvia_attach_codec(void *addr, struct ac97_codec_if *cif)
    431 {
    432 	struct auvia_softc *sc = addr;
    433 
    434 	sc->codec_if = cif;
    435 
    436 	return 0;
    437 }
    438 
    439 
    440 int
    441 auvia_reset_codec(void *addr)
    442 {
    443 	int i;
    444 	struct auvia_softc *sc = addr;
    445 	pcireg_t r;
    446 
    447 	/* perform a codec cold reset */
    448 
    449 	r = pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK);
    450 
    451 	r &= ~AUVIA_PCICONF_ACNOTRST;	/* enable RESET (active low) */
    452 	pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
    453 	delay(2);
    454 
    455 	r |= AUVIA_PCICONF_ACNOTRST;	/* disable RESET (inactive high) */
    456 	pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
    457 	delay(200);
    458 
    459 	for (i = 500000; i != 0 && !(pci_conf_read(sc->sc_pc, sc->sc_pt,
    460 		AUVIA_PCICONF_JUNK) & AUVIA_PCICONF_PRIVALID); i--)
    461 		DELAY(1);
    462 	if (i == 0) {
    463 		printf("%s: codec reset timed out\n", sc->sc_dev.dv_xname);
    464 		return ETIMEDOUT;
    465 	}
    466 	return 0;
    467 }
    468 
    469 
    470 int
    471 auvia_waitready_codec(struct auvia_softc *sc)
    472 {
    473 	int i;
    474 
    475 	/* poll until codec not busy */
    476 	for (i = 0; (i < TIMEOUT) && (bus_space_read_4(sc->sc_iot, sc->sc_ioh,
    477 		AUVIA_CODEC_CTL) & AUVIA_CODEC_BUSY); i++)
    478 		delay(1);
    479 	if (i >= TIMEOUT) {
    480 		printf("%s: codec busy\n", sc->sc_dev.dv_xname);
    481 		return 1;
    482 	}
    483 
    484 	return 0;
    485 }
    486 
    487 
    488 int
    489 auvia_waitvalid_codec(struct auvia_softc *sc)
    490 {
    491 	int i;
    492 
    493 	/* poll until codec valid */
    494 	for (i = 0; (i < TIMEOUT) && !(bus_space_read_4(sc->sc_iot, sc->sc_ioh,
    495 		AUVIA_CODEC_CTL) & AUVIA_CODEC_PRIVALID); i++)
    496 			delay(1);
    497 	if (i >= TIMEOUT) {
    498 		printf("%s: codec invalid\n", sc->sc_dev.dv_xname);
    499 		return 1;
    500 	}
    501 
    502 	return 0;
    503 }
    504 
    505 
    506 int
    507 auvia_write_codec(void *addr, u_int8_t reg, u_int16_t val)
    508 {
    509 	struct auvia_softc *sc = addr;
    510 
    511 	if (auvia_waitready_codec(sc))
    512 		return 1;
    513 
    514 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
    515 		AUVIA_CODEC_PRIVALID | AUVIA_CODEC_INDEX(reg) | val);
    516 
    517 	return 0;
    518 }
    519 
    520 
    521 int
    522 auvia_read_codec(void *addr, u_int8_t reg, u_int16_t *val)
    523 {
    524 	struct auvia_softc *sc = addr;
    525 
    526 	if (auvia_waitready_codec(sc))
    527 		return 1;
    528 
    529 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
    530 		AUVIA_CODEC_PRIVALID | AUVIA_CODEC_READ | AUVIA_CODEC_INDEX(reg));
    531 
    532 	if (auvia_waitready_codec(sc))
    533 		return 1;
    534 
    535 	if (auvia_waitvalid_codec(sc))
    536 		return 1;
    537 
    538 	*val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL);
    539 
    540 	return 0;
    541 }
    542 
    543 int
    544 auvia_query_encoding(void *addr, struct audio_encoding *fp)
    545 {
    546 	struct auvia_softc *sc;
    547 
    548 	sc = (struct auvia_softc *)addr;
    549 	return auconv_query_encoding(sc->sc_encodings, fp);
    550 }
    551 
    552 void
    553 auvia_set_params_sub(struct auvia_softc *sc, struct auvia_softc_chan *ch,
    554 		     const audio_params_t *p)
    555 {
    556 	u_int32_t v;
    557 	u_int16_t regval;
    558 
    559 	if (!(sc->sc_flags & AUVIA_FLAGS_VT8233)) {
    560 		regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0)
    561 			| (p->precision  == 16 ?
    562 				AUVIA_RPMODE_16BIT : 0)
    563 			| AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL
    564 			| AUVIA_RPMODE_AUTOSTART;
    565 		ch->sc_reg = regval;
    566 	} else if (ch->sc_base != VIA8233_MP_BASE) {
    567 		v = CH_READ4(sc, ch, VIA8233_RP_RATEFMT);
    568 		v &= ~(VIA8233_RATEFMT_48K | VIA8233_RATEFMT_STEREO
    569 			| VIA8233_RATEFMT_16BIT);
    570 
    571 		v |= VIA8233_RATEFMT_48K * (p->sample_rate / 20)
    572 			/ (48000 / 20);
    573 		if (p->channels == 2)
    574 			v |= VIA8233_RATEFMT_STEREO;
    575 		if (p->precision == 16)
    576 			v |= VIA8233_RATEFMT_16BIT;
    577 
    578 		CH_WRITE4(sc, ch, VIA8233_RP_RATEFMT, v);
    579 	} else {
    580 		static const u_int32_t slottab[7] =
    581 			{ 0, 0xff000011, 0xff000021, 0,
    582 			  0xff004321, 0, 0xff436521};
    583 
    584 		regval = (p->precision == 16
    585 			? VIA8233_MP_FORMAT_16BIT : VIA8233_MP_FORMAT_8BIT)
    586 			| (p->channels << 4);
    587 		CH_WRITE1(sc, ch, VIA8233_OFF_MP_FORMAT, regval);
    588 		CH_WRITE4(sc, ch, VIA8233_OFF_MP_STOP, slottab[p->channels]);
    589 	}
    590 }
    591 
    592 int
    593 auvia_set_params(void *addr, int setmode, int usemode,
    594 		 audio_params_t *play, audio_params_t *rec,
    595 		 stream_filter_list_t *pfil, stream_filter_list_t *rfil)
    596 {
    597 	struct auvia_softc *sc = addr;
    598 	struct auvia_softc_chan *ch;
    599 	struct audio_params *p;
    600 	struct ac97_codec_if* codec;
    601 	stream_filter_list_t *fil;
    602 	int reg, mode;
    603 	int index;
    604 
    605 	codec = sc->codec_if;
    606 	/* for mode in (RECORD, PLAY) */
    607 	for (mode = AUMODE_RECORD; mode != -1;
    608 	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
    609 		if ((setmode & mode) == 0)
    610 			continue;
    611 
    612 		if (mode == AUMODE_PLAY ) {
    613 			p = play;
    614 			ch = &sc->sc_play;
    615 			reg = AC97_REG_PCM_FRONT_DAC_RATE;
    616 			fil = pfil;
    617 		} else {
    618 			p = rec;
    619 			ch = &sc->sc_record;
    620 			reg = AC97_REG_PCM_LR_ADC_RATE;
    621 			fil = rfil;
    622 		}
    623 
    624 		if (p->sample_rate < 4000 || p->sample_rate > 48000 ||
    625 		    (p->precision != 8 && p->precision != 16))
    626 			return (EINVAL);
    627 		index = auconv_set_converter(sc->sc_formats, AUVIA_NFORMATS,
    628 					     mode, p, TRUE, fil);
    629 		if (index < 0)
    630 			return EINVAL;
    631 		if (fil->req_size > 0)
    632 			p = &fil->filters[0].param;
    633 		if (!AC97_IS_FIXED_RATE(codec)) {
    634 			if (codec->vtbl->set_rate(codec, reg, &p->sample_rate))
    635 				return EINVAL;
    636 			reg = AC97_REG_PCM_SURR_DAC_RATE;
    637 			if (p->channels >= 4
    638 			    && codec->vtbl->set_rate(codec, reg,
    639 						     &p->sample_rate))
    640 				return EINVAL;
    641 			reg = AC97_REG_PCM_LFE_DAC_RATE;
    642 			if (p->channels == 6
    643 			    && codec->vtbl->set_rate(codec, reg,
    644 						     &p->sample_rate))
    645 				return EINVAL;
    646 		}
    647 		auvia_set_params_sub(sc, ch, p);
    648 	}
    649 
    650 	return 0;
    651 }
    652 
    653 
    654 int
    655 auvia_round_blocksize(void *addr, int blk,
    656 		      int mode, const audio_params_t *param)
    657 {
    658 	struct auvia_softc *sc = addr;
    659 
    660 	/* XXX VT823x might have the limitation of dma_ops size */
    661 	if (sc->sc_flags & AUVIA_FLAGS_VT8233 && blk < 288)
    662 		blk = 288;
    663 
    664 	return (blk & -32);
    665 }
    666 
    667 
    668 int
    669 auvia_halt_output(void *addr)
    670 {
    671 	struct auvia_softc *sc = addr;
    672 	struct auvia_softc_chan *ch = &(sc->sc_play);
    673 
    674 	CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
    675 	ch->sc_intr = NULL;
    676 	return 0;
    677 }
    678 
    679 
    680 int
    681 auvia_halt_input(void *addr)
    682 {
    683 	struct auvia_softc *sc = addr;
    684 	struct auvia_softc_chan *ch = &(sc->sc_record);
    685 
    686 	CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
    687 	ch->sc_intr = NULL;
    688 	return 0;
    689 }
    690 
    691 
    692 int
    693 auvia_getdev(void *addr, struct audio_device *retp)
    694 {
    695 	struct auvia_softc *sc = addr;
    696 
    697 	if (retp) {
    698 		if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
    699 			strncpy(retp->name, "VIA VT823x",
    700 				sizeof(retp->name));
    701 		} else {
    702 			strncpy(retp->name, "VIA VT82C686A",
    703 				sizeof(retp->name));
    704 		}
    705 		strncpy(retp->version, sc->sc_revision, sizeof(retp->version));
    706 		strncpy(retp->config, "auvia", sizeof(retp->config));
    707 	}
    708 
    709 	return 0;
    710 }
    711 
    712 
    713 int
    714 auvia_set_port(void *addr, mixer_ctrl_t *cp)
    715 {
    716 	struct auvia_softc *sc = addr;
    717 
    718 	return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp));
    719 }
    720 
    721 
    722 int
    723 auvia_get_port(void *addr, mixer_ctrl_t *cp)
    724 {
    725 	struct auvia_softc *sc = addr;
    726 
    727 	return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp));
    728 }
    729 
    730 
    731 int
    732 auvia_query_devinfo(void *addr, mixer_devinfo_t *dip)
    733 {
    734 	struct auvia_softc *sc = addr;
    735 
    736 	return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip));
    737 }
    738 
    739 
    740 void *
    741 auvia_malloc(void *addr, int direction, size_t size, struct malloc_type * pool,
    742     int flags)
    743 {
    744 	struct auvia_softc *sc = addr;
    745 	struct auvia_dma *p;
    746 	int error;
    747 	int rseg;
    748 
    749 	p = malloc(sizeof(*p), pool, flags);
    750 	if (!p)
    751 		return 0;
    752 
    753 	p->size = size;
    754 	if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg,
    755 				      1, &rseg, BUS_DMA_NOWAIT)) != 0) {
    756 		printf("%s: unable to allocate DMA, error = %d\n",
    757 		       sc->sc_dev.dv_xname, error);
    758 		goto fail_alloc;
    759 	}
    760 
    761 	if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr,
    762 				    BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) {
    763 		printf("%s: unable to map DMA, error = %d\n",
    764 		       sc->sc_dev.dv_xname, error);
    765 		goto fail_map;
    766 	}
    767 
    768 	if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0,
    769 				       BUS_DMA_NOWAIT, &p->map)) != 0) {
    770 		printf("%s: unable to create DMA map, error = %d\n",
    771 		       sc->sc_dev.dv_xname, error);
    772 		goto fail_create;
    773 	}
    774 
    775 	if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL,
    776 				     BUS_DMA_NOWAIT)) != 0) {
    777 		printf("%s: unable to load DMA map, error = %d\n",
    778 		       sc->sc_dev.dv_xname, error);
    779 		goto fail_load;
    780 	}
    781 
    782 	p->next = sc->sc_dmas;
    783 	sc->sc_dmas = p;
    784 
    785 	return p->addr;
    786 
    787 
    788 fail_load:
    789 	bus_dmamap_destroy(sc->sc_dmat, p->map);
    790 fail_create:
    791 	bus_dmamem_unmap(sc->sc_dmat, p->addr, size);
    792 fail_map:
    793 	bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
    794 fail_alloc:
    795 	free(p, pool);
    796 	return 0;
    797 }
    798 
    799 
    800 void
    801 auvia_free(void *addr, void *ptr, struct malloc_type *pool)
    802 {
    803 	struct auvia_softc *sc = addr;
    804 	struct auvia_dma **pp, *p;
    805 
    806 	for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next)
    807 		if (p->addr == ptr) {
    808 			bus_dmamap_unload(sc->sc_dmat, p->map);
    809 			bus_dmamap_destroy(sc->sc_dmat, p->map);
    810 			bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
    811 			bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
    812 
    813 			*pp = p->next;
    814 			free(p, pool);
    815 			return;
    816 		}
    817 
    818 	panic("auvia_free: trying to free unallocated memory");
    819 }
    820 
    821 
    822 size_t
    823 auvia_round_buffersize(void *addr, int direction, size_t size)
    824 {
    825 	return size;
    826 }
    827 
    828 
    829 paddr_t
    830 auvia_mappage(void *addr, void *mem, off_t off, int prot)
    831 {
    832 	struct auvia_softc *sc = addr;
    833 	struct auvia_dma *p;
    834 
    835 	if (off < 0)
    836 		return -1;
    837 
    838 	for (p = sc->sc_dmas; p && p->addr != mem; p = p->next)
    839 		;
    840 
    841 	if (!p)
    842 		return -1;
    843 
    844 	return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot,
    845 	       BUS_DMA_WAITOK);
    846 }
    847 
    848 
    849 int
    850 auvia_get_props(void *addr)
    851 {
    852 	struct auvia_softc *sc = addr;
    853 	int props;
    854 
    855 	props = AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
    856 	/*
    857 	 * Even if the codec is fixed-rate, set_param() succeeds for any sample
    858 	 * rate because of aurateconv.  Applications can't know what rate the
    859 	 * device can process in the case of mmap().
    860 	 */
    861 	if (!AC97_IS_FIXED_RATE(sc->codec_if))
    862 		props |= AUDIO_PROP_MMAP;
    863 	return props;
    864 }
    865 
    866 
    867 int
    868 auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch,
    869 	struct auvia_dma *p, void *start, void *end, int blksize)
    870 {
    871 	struct auvia_dma_op *op;
    872 	struct auvia_dma *dp;
    873 	bus_addr_t s;
    874 	size_t l;
    875 	int segs;
    876 
    877 	s = p->map->dm_segs[0].ds_addr;
    878 	l = ((char *)end - (char *)start);
    879 	segs = (l + blksize - 1) / blksize;
    880 
    881 	if (segs > (ch->sc_dma_op_count)) {
    882 		/* if old list was too small, free it */
    883 		if (ch->sc_dma_ops) {
    884 			auvia_free(sc, ch->sc_dma_ops, M_DEVBUF);
    885 		}
    886 
    887 		ch->sc_dma_ops = auvia_malloc(sc, 0,
    888 			sizeof(struct auvia_dma_op) * segs, M_DEVBUF, M_WAITOK);
    889 
    890 		if (ch->sc_dma_ops == NULL) {
    891 			printf("%s: couldn't build dmaops\n", sc->sc_dev.dv_xname);
    892 			return 1;
    893 		}
    894 
    895 		for (dp = sc->sc_dmas;
    896 			dp && dp->addr != (void *)(ch->sc_dma_ops);
    897 			dp = dp->next)
    898 				;
    899 
    900 		if (!dp)
    901 			panic("%s: build_dma_ops: where'd my memory go??? "
    902 				"address (%p)\n", sc->sc_dev.dv_xname,
    903 				ch->sc_dma_ops);
    904 
    905 		ch->sc_dma_op_count = segs;
    906 		ch->sc_dma_ops_dma = dp;
    907 	}
    908 
    909 	dp = ch->sc_dma_ops_dma;
    910 	op = ch->sc_dma_ops;
    911 
    912 	while (l) {
    913 		op->ptr = s;
    914 		l = l - blksize;
    915 		if (!l) {
    916 			/* if last block */
    917 			op->flags = AUVIA_DMAOP_EOL | blksize;
    918 		} else {
    919 			op->flags = AUVIA_DMAOP_FLAG | blksize;
    920 		}
    921 		s += blksize;
    922 		op++;
    923 	}
    924 
    925 	return 0;
    926 }
    927 
    928 
    929 int
    930 auvia_trigger_output(void *addr, void *start, void *end,
    931 	int blksize, void (*intr)(void *), void *arg,
    932 	const audio_params_t *param)
    933 {
    934 	struct auvia_softc *sc = addr;
    935 	struct auvia_softc_chan *ch = &(sc->sc_play);
    936 	struct auvia_dma *p;
    937 
    938 	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
    939 		;
    940 
    941 	if (!p)
    942 		panic("auvia_trigger_output: request with bad start "
    943 			"address (%p)", start);
    944 
    945 	if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
    946 		return 1;
    947 	}
    948 
    949 	ch->sc_intr = intr;
    950 	ch->sc_arg = arg;
    951 
    952 	CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
    953 		ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
    954 
    955 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
    956 		if (ch->sc_base != VIA8233_MP_BASE) {
    957 			CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
    958 			CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
    959 		}
    960 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
    961 			AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
    962 			AUVIA_RPCTRL_STOP  | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
    963 	} else {
    964 		CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
    965 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
    966 	}
    967 
    968 	return 0;
    969 }
    970 
    971 
    972 int
    973 auvia_trigger_input(void *addr, void *start, void *end,
    974 	int blksize, void (*intr)(void *), void *arg,
    975 	const audio_params_t *param)
    976 {
    977 	struct auvia_softc *sc = addr;
    978 	struct auvia_softc_chan *ch = &(sc->sc_record);
    979 	struct auvia_dma *p;
    980 
    981 	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
    982 		;
    983 
    984 	if (!p)
    985 		panic("auvia_trigger_input: request with bad start "
    986 			"address (%p)", start);
    987 
    988 	if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
    989 		return 1;
    990 	}
    991 
    992 	ch->sc_intr = intr;
    993 	ch->sc_arg = arg;
    994 
    995 	CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
    996 		  ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
    997 
    998 	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
    999 		CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
   1000 		CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
   1001 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
   1002 			AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
   1003 			AUVIA_RPCTRL_STOP  | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
   1004 	} else {
   1005 		CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
   1006 		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
   1007 	}
   1008 
   1009 	return 0;
   1010 }
   1011 
   1012 
   1013 int
   1014 auvia_intr(void *arg)
   1015 {
   1016 	struct auvia_softc *sc = arg;
   1017 	struct auvia_softc_chan *ch;
   1018 	u_int8_t r;
   1019 	int rval;
   1020 
   1021 	rval = 0;
   1022 
   1023 	ch = &sc->sc_record;
   1024 	r = CH_READ1(sc, ch, AUVIA_RP_STAT);
   1025 	if (r & AUVIA_RPSTAT_INTR) {
   1026 		if (sc->sc_record.sc_intr)
   1027 			sc->sc_record.sc_intr(sc->sc_record.sc_arg);
   1028 
   1029 		/* clear interrupts */
   1030 		CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
   1031 		rval = 1;
   1032 	}
   1033 
   1034 	ch = &sc->sc_play;
   1035 	r = CH_READ1(sc, ch, AUVIA_RP_STAT);
   1036 	if (r & AUVIA_RPSTAT_INTR) {
   1037 		if (sc->sc_play.sc_intr)
   1038 			sc->sc_play.sc_intr(sc->sc_play.sc_arg);
   1039 
   1040 		/* clear interrupts */
   1041 		CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
   1042 		rval = 1;
   1043 	}
   1044 
   1045 	return rval;
   1046 }
   1047 
   1048 void
   1049 auvia_powerhook(int why, void *addr)
   1050 {
   1051 	struct auvia_softc *sc = (struct auvia_softc *)addr;
   1052 
   1053 	switch (why) {
   1054 	case PWR_SUSPEND:
   1055 	case PWR_STANDBY:
   1056 		/* Power down */
   1057 		sc->sc_suspend = why;
   1058 		break;
   1059 
   1060 	case PWR_RESUME:
   1061 		/* Wake up */
   1062 		if (sc->sc_suspend == PWR_RESUME) {
   1063 			printf("%s: resume without suspend.\n",
   1064 			    sc->sc_dev.dv_xname);
   1065 			sc->sc_suspend = why;
   1066 			return;
   1067 		}
   1068 		sc->sc_suspend = why;
   1069 		auvia_reset_codec(sc);
   1070 		DELAY(1000);
   1071 		(sc->codec_if->vtbl->restore_ports)(sc->codec_if);
   1072 		break;
   1073 
   1074 	case PWR_SOFTSUSPEND:
   1075 	case PWR_SOFTSTANDBY:
   1076 	case PWR_SOFTRESUME:
   1077 		break;
   1078 	}
   1079 }
   1080