Home | History | Annotate | Line # | Download | only in pci
fms.c revision 1.40
      1 /*	$NetBSD: fms.c,v 1.40 2011/11/24 03:35:59 mrg Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1999, 2008 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Witold J. Wnuk.
      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  * Forte Media FM801 Audio Device Driver
     34  */
     35 
     36 #include <sys/cdefs.h>
     37 __KERNEL_RCSID(0, "$NetBSD: fms.c,v 1.40 2011/11/24 03:35:59 mrg Exp $");
     38 
     39 #include "mpu.h"
     40 
     41 #include <sys/param.h>
     42 #include <sys/systm.h>
     43 #include <sys/kernel.h>
     44 #include <sys/kmem.h>
     45 #include <sys/device.h>
     46 #include <sys/audioio.h>
     47 
     48 #include <sys/bus.h>
     49 #include <sys/cpu.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/ac97var.h>
     59 #include <dev/ic/mpuvar.h>
     60 
     61 #include <dev/pci/fmsvar.h>
     62 
     63 
     64 struct fms_dma {
     65 	struct fms_dma *next;
     66 	void *addr;
     67 	size_t size;
     68 	bus_dmamap_t map;
     69 	bus_dma_segment_t seg;
     70 };
     71 
     72 
     73 
     74 static int	fms_match(device_t, cfdata_t, void *);
     75 static void	fms_attach(device_t, device_t, void *);
     76 static int	fms_intr(void *);
     77 
     78 static int	fms_query_encoding(void *, struct audio_encoding *);
     79 static int	fms_set_params(void *, int, int, audio_params_t *,
     80 			       audio_params_t *, stream_filter_list_t *,
     81 			       stream_filter_list_t *);
     82 static int	fms_round_blocksize(void *, int, int, const audio_params_t *);
     83 static int	fms_halt_output(void *);
     84 static int	fms_halt_input(void *);
     85 static int	fms_getdev(void *, struct audio_device *);
     86 static int	fms_set_port(void *, mixer_ctrl_t *);
     87 static int	fms_get_port(void *, mixer_ctrl_t *);
     88 static int	fms_query_devinfo(void *, mixer_devinfo_t *);
     89 static void	*fms_malloc(void *, int, size_t);
     90 static void	fms_free(void *, void *, size_t);
     91 static size_t	fms_round_buffersize(void *, int, size_t);
     92 static paddr_t	fms_mappage(void *, void *, off_t, int);
     93 static int	fms_get_props(void *);
     94 static int	fms_trigger_output(void *, void *, void *, int,
     95 				   void (*)(void *), void *,
     96 				   const audio_params_t *);
     97 static int	fms_trigger_input(void *, void *, void *, int,
     98 				  void (*)(void *), void *,
     99 				  const audio_params_t *);
    100 static void	fms_get_locks(void *, kmutex_t **, kmutex_t **);
    101 
    102 CFATTACH_DECL(fms, sizeof (struct fms_softc),
    103     fms_match, fms_attach, NULL, NULL);
    104 
    105 static struct audio_device fms_device = {
    106 	"Forte Media 801",
    107 	"1.0",
    108 	"fms"
    109 };
    110 
    111 
    112 static const struct audio_hw_if fms_hw_if = {
    113 	NULL,			/* open */
    114 	NULL,			/* close */
    115 	NULL,
    116 	fms_query_encoding,
    117 	fms_set_params,
    118 	fms_round_blocksize,
    119 	NULL,
    120 	NULL,
    121 	NULL,
    122 	NULL,
    123 	NULL,
    124 	fms_halt_output,
    125 	fms_halt_input,
    126 	NULL,
    127 	fms_getdev,
    128 	NULL,
    129 	fms_set_port,
    130 	fms_get_port,
    131 	fms_query_devinfo,
    132 	fms_malloc,
    133 	fms_free,
    134 	fms_round_buffersize,
    135 	fms_mappage,
    136 	fms_get_props,
    137 	fms_trigger_output,
    138 	fms_trigger_input,
    139 	NULL,
    140 	fms_get_locks,
    141 };
    142 
    143 static int	fms_attach_codec(void *, struct ac97_codec_if *);
    144 static int	fms_read_codec(void *, uint8_t, uint16_t *);
    145 static int	fms_write_codec(void *, uint8_t, uint16_t);
    146 static int	fms_reset_codec(void *);
    147 
    148 #define FM_PCM_VOLUME		0x00
    149 #define FM_FM_VOLUME		0x02
    150 #define FM_I2S_VOLUME		0x04
    151 #define FM_RECORD_SOURCE	0x06
    152 
    153 #define FM_PLAY_CTL		0x08
    154 #define  FM_PLAY_RATE_MASK		0x0f00
    155 #define  FM_PLAY_BUF1_LAST		0x0001
    156 #define  FM_PLAY_BUF2_LAST		0x0002
    157 #define  FM_PLAY_START			0x0020
    158 #define  FM_PLAY_PAUSE			0x0040
    159 #define  FM_PLAY_STOPNOW		0x0080
    160 #define  FM_PLAY_16BIT			0x4000
    161 #define  FM_PLAY_STEREO			0x8000
    162 
    163 #define FM_PLAY_DMALEN		0x0a
    164 #define FM_PLAY_DMABUF1		0x0c
    165 #define FM_PLAY_DMABUF2		0x10
    166 
    167 
    168 #define FM_REC_CTL		0x14
    169 #define  FM_REC_RATE_MASK		0x0f00
    170 #define  FM_REC_BUF1_LAST		0x0001
    171 #define  FM_REC_BUF2_LAST		0x0002
    172 #define  FM_REC_START			0x0020
    173 #define  FM_REC_PAUSE			0x0040
    174 #define  FM_REC_STOPNOW			0x0080
    175 #define  FM_REC_16BIT			0x4000
    176 #define  FM_REC_STEREO			0x8000
    177 
    178 
    179 #define FM_REC_DMALEN		0x16
    180 #define FM_REC_DMABUF1		0x18
    181 #define FM_REC_DMABUF2		0x1c
    182 
    183 #define FM_CODEC_CTL		0x22
    184 #define FM_VOLUME		0x26
    185 #define  FM_VOLUME_MUTE			0x8000
    186 
    187 #define FM_CODEC_CMD		0x2a
    188 #define  FM_CODEC_CMD_READ		0x0080
    189 #define  FM_CODEC_CMD_VALID		0x0100
    190 #define  FM_CODEC_CMD_BUSY		0x0200
    191 
    192 #define FM_CODEC_DATA		0x2c
    193 
    194 #define FM_IO_CTL		0x52
    195 #define FM_CARD_CTL		0x54
    196 
    197 #define FM_INTMASK		0x56
    198 #define  FM_INTMASK_PLAY		0x0001
    199 #define  FM_INTMASK_REC			0x0002
    200 #define  FM_INTMASK_VOL			0x0040
    201 #define  FM_INTMASK_MPU			0x0080
    202 
    203 #define FM_INTSTATUS		0x5a
    204 #define  FM_INTSTATUS_PLAY		0x0100
    205 #define  FM_INTSTATUS_REC		0x0200
    206 #define  FM_INTSTATUS_VOL		0x4000
    207 #define  FM_INTSTATUS_MPU		0x8000
    208 
    209 
    210 static int
    211 fms_match(device_t parent, cfdata_t match, void *aux)
    212 {
    213 	struct pci_attach_args *pa;
    214 
    215 	pa = (struct pci_attach_args *)aux;
    216 	if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_FORTEMEDIA)
    217 		return 0;
    218 	if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_FORTEMEDIA_FM801)
    219 		return 0;
    220 
    221 	return 1;
    222 }
    223 
    224 static void
    225 fms_attach(device_t parent, device_t self, void *aux)
    226 {
    227 	struct pci_attach_args *pa;
    228 	struct fms_softc *sc;
    229 	struct audio_attach_args aa;
    230 	const char *intrstr;
    231 	pci_chipset_tag_t pc;
    232 	pcitag_t pt;
    233 	pci_intr_handle_t ih;
    234 	uint16_t k1;
    235 
    236 	pa = aux;
    237 	sc = device_private(self);
    238 	intrstr = NULL;
    239 	pc = pa->pa_pc;
    240 	pt = pa->pa_tag;
    241 	aprint_naive(": Audio controller\n");
    242 	aprint_normal(": Forte Media FM-801\n");
    243 
    244 	if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot,
    245 			   &sc->sc_ioh, &sc->sc_ioaddr, &sc->sc_iosize)) {
    246 		aprint_error_dev(&sc->sc_dev, "can't map i/o space\n");
    247 		return;
    248 	}
    249 	if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, 0x30, 2,
    250 				&sc->sc_mpu_ioh))
    251 		panic("fms_attach: can't get mpu subregion handle");
    252 	if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, 0x68, 4,
    253 				&sc->sc_opl_ioh))
    254 		panic("fms_attach: can't get opl subregion handle");
    255 
    256 	if (pci_intr_map(pa, &ih)) {
    257 		aprint_error_dev(&sc->sc_dev, "couldn't map interrupt\n");
    258 		return;
    259 	}
    260 	intrstr = pci_intr_string(pc, ih);
    261 
    262 	mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
    263 	mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
    264 
    265 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, fms_intr, sc);
    266 	if (sc->sc_ih == NULL) {
    267 		aprint_error_dev(&sc->sc_dev, "couldn't establish interrupt");
    268 		if (intrstr != NULL)
    269 			aprint_error(" at %s", intrstr);
    270 		aprint_error("\n");
    271 		mutex_destroy(&sc->sc_lock);
    272 		mutex_destroy(&sc->sc_intr_lock);
    273 		return;
    274 	}
    275 
    276 	sc->sc_dmat = pa->pa_dmat;
    277 
    278 	aprint_normal_dev(&sc->sc_dev, "interrupting at %s\n", intrstr);
    279 
    280 	/* Disable legacy audio (SBPro compatibility) */
    281 	pci_conf_write(pc, pt, 0x40, 0);
    282 
    283 	/* Reset codec and AC'97 */
    284 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0020);
    285 	delay(2);		/* > 1us according to AC'97 documentation */
    286 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0000);
    287 	delay(1);		/* > 168.2ns according to AC'97 documentation */
    288 
    289 	/* Set up volume */
    290 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PCM_VOLUME, 0x0808);
    291 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_FM_VOLUME, 0x0808);
    292 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_I2S_VOLUME, 0x0808);
    293 
    294 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_RECORD_SOURCE, 0x0000);
    295 
    296 	/* Unmask playback, record and mpu interrupts, mask the rest */
    297 	k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_INTMASK);
    298 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTMASK,
    299 	    (k1 & ~(FM_INTMASK_PLAY | FM_INTMASK_REC | FM_INTMASK_MPU)) |
    300 	     FM_INTMASK_VOL);
    301 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS,
    302 	    FM_INTSTATUS_PLAY | FM_INTSTATUS_REC | FM_INTSTATUS_MPU |
    303 	    FM_INTSTATUS_VOL);
    304 
    305 	sc->host_if.arg = sc;
    306 	sc->host_if.attach = fms_attach_codec;
    307 	sc->host_if.read = fms_read_codec;
    308 	sc->host_if.write = fms_write_codec;
    309 	sc->host_if.reset = fms_reset_codec;
    310 
    311 	if (ac97_attach(&sc->host_if, self, &sc->sc_lock) != 0) {
    312 		mutex_destroy(&sc->sc_intr_lock);
    313 		mutex_destroy(&sc->sc_lock);
    314 		return;
    315 	}
    316 
    317 	audio_attach_mi(&fms_hw_if, sc, &sc->sc_dev);
    318 
    319 	aa.type = AUDIODEV_TYPE_OPL;
    320 	aa.hwif = NULL;
    321 	aa.hdl = NULL;
    322 	config_found(&sc->sc_dev, &aa, audioprint);
    323 
    324 	aa.type = AUDIODEV_TYPE_MPU;
    325 	aa.hwif = NULL;
    326 	aa.hdl = NULL;
    327 	sc->sc_mpu_dev = config_found(&sc->sc_dev, &aa, audioprint);
    328 }
    329 
    330 /*
    331  * Each AC-link frame takes 20.8us, data should be ready in next frame,
    332  * we allow more than two.
    333  */
    334 #define TIMO 50
    335 static int
    336 fms_read_codec(void *addr, uint8_t reg, uint16_t *val)
    337 {
    338 	struct fms_softc *sc;
    339 	int i;
    340 
    341 	sc = addr;
    342 	/* Poll until codec is ready */
    343 	for (i = 0; i < TIMO && bus_space_read_2(sc->sc_iot, sc->sc_ioh,
    344 		 FM_CODEC_CMD) & FM_CODEC_CMD_BUSY; i++)
    345 		delay(1);
    346 	if (i >= TIMO) {
    347 		printf("fms: codec busy\n");
    348 		return 1;
    349 	}
    350 
    351 	/* Write register index, read access */
    352 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CMD,
    353 			  reg | FM_CODEC_CMD_READ);
    354 
    355 	/* Poll until we have valid data */
    356 	for (i = 0; i < TIMO && !(bus_space_read_2(sc->sc_iot, sc->sc_ioh,
    357 		 FM_CODEC_CMD) & FM_CODEC_CMD_VALID); i++)
    358 		delay(1);
    359 	if (i >= TIMO) {
    360 		printf("fms: no data from codec\n");
    361 		return 1;
    362 	}
    363 
    364 	/* Read data */
    365 	*val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_DATA);
    366 	return 0;
    367 }
    368 
    369 static int
    370 fms_write_codec(void *addr, uint8_t reg, uint16_t val)
    371 {
    372 	struct fms_softc *sc = addr;
    373 	int i;
    374 
    375 	/* Poll until codec is ready */
    376 	for (i = 0; i < TIMO && bus_space_read_2(sc->sc_iot, sc->sc_ioh,
    377 		 FM_CODEC_CMD) & FM_CODEC_CMD_BUSY; i++)
    378 		delay(1);
    379 	if (i >= TIMO) {
    380 		printf("fms: codec busy\n");
    381 		return 1;
    382 	}
    383 
    384 	/* Write data */
    385 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_DATA, val);
    386 	/* Write index register, write access */
    387 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CMD, reg);
    388 	return 0;
    389 }
    390 #undef TIMO
    391 
    392 static int
    393 fms_attach_codec(void *addr, struct ac97_codec_if *cif)
    394 {
    395 	struct fms_softc *sc;
    396 
    397 	sc = addr;
    398 	sc->codec_if = cif;
    399 	return 0;
    400 }
    401 
    402 /* Cold Reset */
    403 static int
    404 fms_reset_codec(void *addr)
    405 {
    406 	struct fms_softc *sc;
    407 
    408 	sc = addr;
    409 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0020);
    410 	delay(2);
    411 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0000);
    412 	delay(1);
    413 	return 0;
    414 }
    415 
    416 static int
    417 fms_intr(void *arg)
    418 {
    419 	struct fms_softc *sc = arg;
    420 #if NMPU > 0
    421 	struct mpu_softc *sc_mpu = device_private(sc->sc_mpu_dev);
    422 #endif
    423 	uint16_t istat;
    424 
    425 	mutex_spin_enter(&sc->sc_intr_lock);
    426 
    427 	istat = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS);
    428 
    429 	if (istat & FM_INTSTATUS_PLAY) {
    430 		if ((sc->sc_play_nextblk += sc->sc_play_blksize) >=
    431 		     sc->sc_play_end)
    432 			sc->sc_play_nextblk = sc->sc_play_start;
    433 
    434 		bus_space_write_4(sc->sc_iot, sc->sc_ioh,
    435 		    sc->sc_play_flip++ & 1 ?
    436 		    FM_PLAY_DMABUF2 : FM_PLAY_DMABUF1, sc->sc_play_nextblk);
    437 
    438 		if (sc->sc_pintr)
    439 			sc->sc_pintr(sc->sc_parg);
    440 		else
    441 			printf("unexpected play intr\n");
    442 	}
    443 
    444 	if (istat & FM_INTSTATUS_REC) {
    445 		if ((sc->sc_rec_nextblk += sc->sc_rec_blksize) >=
    446 		     sc->sc_rec_end)
    447 			sc->sc_rec_nextblk = sc->sc_rec_start;
    448 
    449 		bus_space_write_4(sc->sc_iot, sc->sc_ioh,
    450 		    sc->sc_rec_flip++ & 1 ?
    451 		    FM_REC_DMABUF2 : FM_REC_DMABUF1, sc->sc_rec_nextblk);
    452 
    453 		if (sc->sc_rintr)
    454 			sc->sc_rintr(sc->sc_rarg);
    455 		else
    456 			printf("unexpected rec intr\n");
    457 	}
    458 
    459 #if NMPU > 0
    460 	if (istat & FM_INTSTATUS_MPU)
    461 		mpu_intr(sc_mpu);
    462 #endif
    463 
    464 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS,
    465 			  istat & (FM_INTSTATUS_PLAY | FM_INTSTATUS_REC));
    466 
    467 	mutex_spin_exit(&sc->sc_intr_lock);
    468 
    469 	return 1;
    470 }
    471 
    472 static int
    473 fms_query_encoding(void *addr, struct audio_encoding *fp)
    474 {
    475 
    476 	switch (fp->index) {
    477 	case 0:
    478 		strcpy(fp->name, AudioEmulaw);
    479 		fp->encoding = AUDIO_ENCODING_ULAW;
    480 		fp->precision = 8;
    481 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
    482 		return 0;
    483 	case 1:
    484 		strcpy(fp->name, AudioEslinear_le);
    485 		fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
    486 		fp->precision = 16;
    487 		fp->flags = 0;
    488 		return 0;
    489 	case 2:
    490 		strcpy(fp->name, AudioEulinear);
    491 		fp->encoding = AUDIO_ENCODING_ULINEAR;
    492 		fp->precision = 8;
    493 		fp->flags = 0;
    494 		return 0;
    495 	case 3:
    496 		strcpy(fp->name, AudioEalaw);
    497 		fp->encoding = AUDIO_ENCODING_ALAW;
    498 		fp->precision = 8;
    499 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
    500 		return 0;
    501 	case 4:
    502 		strcpy(fp->name, AudioEulinear_le);
    503 		fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
    504 		fp->precision = 16;
    505 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
    506 		return 0;
    507 	case 5:
    508 		strcpy(fp->name, AudioEslinear);
    509 		fp->encoding = AUDIO_ENCODING_SLINEAR;
    510 		fp->precision = 8;
    511 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
    512 		return 0;
    513 	case 6:
    514 		strcpy(fp->name, AudioEulinear_be);
    515 		fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
    516 		fp->precision = 16;
    517 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
    518 		return 0;
    519 	case 7:
    520 		strcpy(fp->name, AudioEslinear_be);
    521 		fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
    522 		fp->precision = 16;
    523 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
    524 		return 0;
    525 	default:
    526 		return EINVAL;
    527 	}
    528 }
    529 
    530 /*
    531  * Range below -limit- is set to -rate-
    532  * What a pity FM801 does not have 24000
    533  * 24000 -> 22050 sounds rather poor
    534  */
    535 static struct {
    536 	int limit;
    537 	int rate;
    538 } const fms_rates[11] = {
    539 	{  6600,  5500 },
    540 	{  8750,  8000 },
    541 	{ 10250,  9600 },
    542 	{ 13200, 11025 },
    543 	{ 17500, 16000 },
    544 	{ 20500, 19200 },
    545 	{ 26500, 22050 },
    546 	{ 35000, 32000 },
    547 	{ 41000, 38400 },
    548 	{ 46000, 44100 },
    549 	{ 48000, 48000 },
    550 	/* anything above -> 48000 */
    551 };
    552 
    553 #define FMS_NFORMATS	4
    554 static const struct audio_format fms_formats[FMS_NFORMATS] = {
    555 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    556 	 2, AUFMT_STEREO, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050,
    557 			       32000, 38400, 44100, 48000}},
    558 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    559 	 1, AUFMT_MONAURAL, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050,
    560 				 32000, 38400, 44100, 48000}},
    561 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    562 	 2, AUFMT_STEREO, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050,
    563 			       32000, 38400, 44100, 48000}},
    564 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    565 	 1, AUFMT_MONAURAL, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050,
    566 				 32000, 38400, 44100, 48000}},
    567 };
    568 
    569 static int
    570 fms_set_params(void *addr, int setmode, int usemode,
    571     audio_params_t *play, audio_params_t *rec, stream_filter_list_t *pfil,
    572     stream_filter_list_t *rfil)
    573 {
    574 	struct fms_softc *sc;
    575 	int i, index;
    576 
    577 	sc = addr;
    578 	if (setmode & AUMODE_PLAY) {
    579 		for (i = 0; i < 10 && play->sample_rate > fms_rates[i].limit;
    580 		     i++)
    581 			continue;
    582 		play->sample_rate = fms_rates[i].rate;
    583 		index = auconv_set_converter(fms_formats, FMS_NFORMATS,
    584 					     AUMODE_PLAY, play, FALSE, pfil);
    585 		if (index < 0)
    586 			return EINVAL;
    587 		sc->sc_play_reg = i << 8;
    588 		if (fms_formats[index].channels == 2)
    589 			sc->sc_play_reg |= FM_PLAY_STEREO;
    590 		if (fms_formats[index].precision == 16)
    591 			sc->sc_play_reg |= FM_PLAY_16BIT;
    592 	}
    593 
    594 	if (setmode & AUMODE_RECORD) {
    595 		for (i = 0; i < 10 && rec->sample_rate > fms_rates[i].limit;
    596 		     i++)
    597 			continue;
    598 		rec->sample_rate = fms_rates[i].rate;
    599 		index = auconv_set_converter(fms_formats, FMS_NFORMATS,
    600 					     AUMODE_RECORD, rec, FALSE, rfil);
    601 		if (index < 0)
    602 			return EINVAL;
    603 		sc->sc_rec_reg = i << 8;
    604 		if (fms_formats[index].channels == 2)
    605 			sc->sc_rec_reg |= FM_REC_STEREO;
    606 		if (fms_formats[index].precision == 16)
    607 			sc->sc_rec_reg |= FM_REC_16BIT;
    608 	}
    609 
    610 	return 0;
    611 }
    612 
    613 static int
    614 fms_round_blocksize(void *addr, int blk, int mode,
    615     const audio_params_t *param)
    616 {
    617 
    618 	return blk & ~0xf;
    619 }
    620 
    621 static int
    622 fms_halt_output(void *addr)
    623 {
    624 	struct fms_softc *sc;
    625 	uint16_t k1;
    626 
    627 	sc = addr;
    628 	k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL);
    629 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL,
    630 			  (k1 & ~(FM_PLAY_STOPNOW | FM_PLAY_START)) |
    631 			  FM_PLAY_BUF1_LAST | FM_PLAY_BUF2_LAST);
    632 
    633 	return 0;
    634 }
    635 
    636 static int
    637 fms_halt_input(void *addr)
    638 {
    639 	struct fms_softc *sc;
    640 	uint16_t k1;
    641 
    642 	sc = addr;
    643 	k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL);
    644 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL,
    645 			  (k1 & ~(FM_REC_STOPNOW | FM_REC_START)) |
    646 			  FM_REC_BUF1_LAST | FM_REC_BUF2_LAST);
    647 
    648 	return 0;
    649 }
    650 
    651 static int
    652 fms_getdev(void *addr, struct audio_device *retp)
    653 {
    654 
    655 	*retp = fms_device;
    656 	return 0;
    657 }
    658 
    659 static int
    660 fms_set_port(void *addr, mixer_ctrl_t *cp)
    661 {
    662 	struct fms_softc *sc;
    663 
    664 	sc = addr;
    665 	return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
    666 }
    667 
    668 static int
    669 fms_get_port(void *addr, mixer_ctrl_t *cp)
    670 {
    671 	struct fms_softc *sc;
    672 
    673 	sc = addr;
    674 	return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp);
    675 }
    676 
    677 static void *
    678 fms_malloc(void *addr, int direction, size_t size)
    679 {
    680 	struct fms_softc *sc;
    681 	struct fms_dma *p;
    682 	int error;
    683 	int rseg;
    684 
    685 	sc = addr;
    686 	p = kmem_alloc(sizeof(*p), KM_SLEEP);
    687 	if (p == NULL)
    688 		return NULL;
    689 
    690 	p->size = size;
    691 	if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg,
    692 				      1, &rseg, BUS_DMA_WAITOK)) != 0) {
    693 		aprint_error_dev(&sc->sc_dev, "unable to allocate DMA, error = %d\n", error);
    694 		goto fail_alloc;
    695 	}
    696 
    697 	if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr,
    698 				    BUS_DMA_WAITOK | BUS_DMA_COHERENT)) != 0) {
    699 		aprint_error_dev(&sc->sc_dev, "unable to map DMA, error = %d\n",
    700 		       error);
    701 		goto fail_map;
    702 	}
    703 
    704 	if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0,
    705 				       BUS_DMA_WAITOK, &p->map)) != 0) {
    706 		aprint_error_dev(&sc->sc_dev, "unable to create DMA map, error = %d\n",
    707 		       error);
    708 		goto fail_create;
    709 	}
    710 
    711 	if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL,
    712 				     BUS_DMA_WAITOK)) != 0) {
    713 		aprint_error_dev(&sc->sc_dev, "unable to load DMA map, error = %d\n",
    714 		       error);
    715 		goto fail_load;
    716 	}
    717 
    718 	p->next = sc->sc_dmas;
    719 	sc->sc_dmas = p;
    720 
    721 	return p->addr;
    722 
    723 
    724 fail_load:
    725 	bus_dmamap_destroy(sc->sc_dmat, p->map);
    726 fail_create:
    727 	bus_dmamem_unmap(sc->sc_dmat, p->addr, size);
    728 fail_map:
    729 	bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
    730 fail_alloc:
    731 	kmem_free(p, sizeof(*p));
    732 	return NULL;
    733 }
    734 
    735 static void
    736 fms_free(void *addr, void *ptr, size_t size)
    737 {
    738 	struct fms_softc *sc;
    739 	struct fms_dma **pp, *p;
    740 
    741 	sc = addr;
    742 	for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next)
    743 		if (p->addr == ptr) {
    744 			bus_dmamap_unload(sc->sc_dmat, p->map);
    745 			bus_dmamap_destroy(sc->sc_dmat, p->map);
    746 			bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
    747 			bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
    748 
    749 			*pp = p->next;
    750 			kmem_free(p, sizeof(*p));
    751 			return;
    752 		}
    753 
    754 	panic("fms_free: trying to free unallocated memory");
    755 }
    756 
    757 static size_t
    758 fms_round_buffersize(void *addr, int direction, size_t size)
    759 {
    760 
    761 	return size;
    762 }
    763 
    764 static paddr_t
    765 fms_mappage(void *addr, void *mem, off_t off, int prot)
    766 {
    767 	struct fms_softc *sc;
    768 	struct fms_dma *p;
    769 
    770 	sc = addr;
    771 	if (off < 0)
    772 		return -1;
    773 
    774 	for (p = sc->sc_dmas; p && p->addr != mem; p = p->next)
    775 		continue;
    776 	if (p == NULL)
    777 		return -1;
    778 
    779 	return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot,
    780 			       BUS_DMA_WAITOK);
    781 }
    782 
    783 static int
    784 fms_get_props(void *addr)
    785 {
    786 	return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
    787 	       AUDIO_PROP_FULLDUPLEX;
    788 }
    789 
    790 static int
    791 fms_query_devinfo(void *addr, mixer_devinfo_t *dip)
    792 {
    793 	struct fms_softc *sc;
    794 
    795 	sc = addr;
    796 	return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip);
    797 }
    798 
    799 static int
    800 fms_trigger_output(void *addr, void *start, void *end, int blksize,
    801     void (*intr)(void *), void *arg, const audio_params_t *param)
    802 {
    803 	struct fms_softc *sc;
    804 	struct fms_dma *p;
    805 
    806 	sc = addr;
    807 	sc->sc_pintr = intr;
    808 	sc->sc_parg = arg;
    809 
    810 	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
    811 		continue;
    812 
    813 	if (p == NULL)
    814 		panic("fms_trigger_output: request with bad start "
    815 		      "address (%p)", start);
    816 
    817 	sc->sc_play_start = p->map->dm_segs[0].ds_addr;
    818 	sc->sc_play_end = sc->sc_play_start + ((char *)end - (char *)start);
    819 	sc->sc_play_blksize = blksize;
    820 	sc->sc_play_nextblk = sc->sc_play_start + sc->sc_play_blksize;
    821 	sc->sc_play_flip = 0;
    822 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMALEN, blksize - 1);
    823 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMABUF1,
    824 			  sc->sc_play_start);
    825 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMABUF2,
    826 			  sc->sc_play_nextblk);
    827 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL,
    828 			  FM_PLAY_START | FM_PLAY_STOPNOW | sc->sc_play_reg);
    829 	return 0;
    830 }
    831 
    832 
    833 static int
    834 fms_trigger_input(void *addr, void *start, void *end, int blksize,
    835     void (*intr)(void *), void *arg, const audio_params_t *param)
    836 {
    837 	struct fms_softc *sc;
    838 	struct fms_dma *p;
    839 
    840 	sc = addr;
    841 	sc->sc_rintr = intr;
    842 	sc->sc_rarg = arg;
    843 
    844 	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
    845 		continue;
    846 
    847 	if (p == NULL)
    848 		panic("fms_trigger_input: request with bad start "
    849 		      "address (%p)", start);
    850 
    851 	sc->sc_rec_start = p->map->dm_segs[0].ds_addr;
    852 	sc->sc_rec_end = sc->sc_rec_start + ((char *)end - (char *)start);
    853 	sc->sc_rec_blksize = blksize;
    854 	sc->sc_rec_nextblk = sc->sc_rec_start + sc->sc_rec_blksize;
    855 	sc->sc_rec_flip = 0;
    856 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_DMALEN, blksize - 1);
    857 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_REC_DMABUF1,
    858 			  sc->sc_rec_start);
    859 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_REC_DMABUF2,
    860 			  sc->sc_rec_nextblk);
    861 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL,
    862 			  FM_REC_START | FM_REC_STOPNOW | sc->sc_rec_reg);
    863 	return 0;
    864 }
    865 
    866 static void
    867 fms_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread)
    868 {
    869 	struct fms_softc *sc;
    870 
    871 	sc = addr;
    872 	*intr = &sc->sc_intr_lock;
    873 	*thread = &sc->sc_lock;
    874 }
    875