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fms.c revision 1.42
      1 /*	$NetBSD: fms.c,v 1.42 2014/03/29 19:28:24 christos 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 1.42 2014/03/29 19:28:24 christos 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_NEW(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 	char intrbuf[PCI_INTRSTR_LEN];
    236 
    237 	pa = aux;
    238 	sc = device_private(self);
    239 	sc->sc_dev = self;
    240 	intrstr = NULL;
    241 	pc = pa->pa_pc;
    242 	pt = pa->pa_tag;
    243 	aprint_naive(": Audio controller\n");
    244 	aprint_normal(": Forte Media FM-801\n");
    245 
    246 	if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot,
    247 			   &sc->sc_ioh, &sc->sc_ioaddr, &sc->sc_iosize)) {
    248 		aprint_error_dev(sc->sc_dev, "can't map i/o space\n");
    249 		return;
    250 	}
    251 	if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, 0x30, 2,
    252 				&sc->sc_mpu_ioh))
    253 		panic("fms_attach: can't get mpu subregion handle");
    254 	if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, 0x68, 4,
    255 				&sc->sc_opl_ioh))
    256 		panic("fms_attach: can't get opl subregion handle");
    257 
    258 	if (pci_intr_map(pa, &ih)) {
    259 		aprint_error_dev(sc->sc_dev, "couldn't map interrupt\n");
    260 		return;
    261 	}
    262 	intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf));
    263 
    264 	mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
    265 	mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
    266 
    267 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, fms_intr, sc);
    268 	if (sc->sc_ih == NULL) {
    269 		aprint_error_dev(sc->sc_dev, "couldn't establish interrupt");
    270 		if (intrstr != NULL)
    271 			aprint_error(" at %s", intrstr);
    272 		aprint_error("\n");
    273 		mutex_destroy(&sc->sc_lock);
    274 		mutex_destroy(&sc->sc_intr_lock);
    275 		return;
    276 	}
    277 
    278 	sc->sc_dmat = pa->pa_dmat;
    279 
    280 	aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr);
    281 
    282 	/* Disable legacy audio (SBPro compatibility) */
    283 	pci_conf_write(pc, pt, 0x40, 0);
    284 
    285 	/* Reset codec and AC'97 */
    286 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0020);
    287 	delay(2);		/* > 1us according to AC'97 documentation */
    288 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0000);
    289 	delay(1);		/* > 168.2ns according to AC'97 documentation */
    290 
    291 	/* Set up volume */
    292 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PCM_VOLUME, 0x0808);
    293 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_FM_VOLUME, 0x0808);
    294 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_I2S_VOLUME, 0x0808);
    295 
    296 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_RECORD_SOURCE, 0x0000);
    297 
    298 	/* Unmask playback, record and mpu interrupts, mask the rest */
    299 	k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_INTMASK);
    300 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTMASK,
    301 	    (k1 & ~(FM_INTMASK_PLAY | FM_INTMASK_REC | FM_INTMASK_MPU)) |
    302 	     FM_INTMASK_VOL);
    303 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS,
    304 	    FM_INTSTATUS_PLAY | FM_INTSTATUS_REC | FM_INTSTATUS_MPU |
    305 	    FM_INTSTATUS_VOL);
    306 
    307 	sc->host_if.arg = sc;
    308 	sc->host_if.attach = fms_attach_codec;
    309 	sc->host_if.read = fms_read_codec;
    310 	sc->host_if.write = fms_write_codec;
    311 	sc->host_if.reset = fms_reset_codec;
    312 
    313 	if (ac97_attach(&sc->host_if, self, &sc->sc_lock) != 0) {
    314 		mutex_destroy(&sc->sc_intr_lock);
    315 		mutex_destroy(&sc->sc_lock);
    316 		return;
    317 	}
    318 
    319 	audio_attach_mi(&fms_hw_if, sc, sc->sc_dev);
    320 
    321 	aa.type = AUDIODEV_TYPE_OPL;
    322 	aa.hwif = NULL;
    323 	aa.hdl = NULL;
    324 	config_found(sc->sc_dev, &aa, audioprint);
    325 
    326 	aa.type = AUDIODEV_TYPE_MPU;
    327 	aa.hwif = NULL;
    328 	aa.hdl = NULL;
    329 	sc->sc_mpu_dev = config_found(sc->sc_dev, &aa, audioprint);
    330 }
    331 
    332 /*
    333  * Each AC-link frame takes 20.8us, data should be ready in next frame,
    334  * we allow more than two.
    335  */
    336 #define TIMO 50
    337 static int
    338 fms_read_codec(void *addr, uint8_t reg, uint16_t *val)
    339 {
    340 	struct fms_softc *sc;
    341 	int i;
    342 
    343 	sc = addr;
    344 	/* Poll until codec is ready */
    345 	for (i = 0; i < TIMO && bus_space_read_2(sc->sc_iot, sc->sc_ioh,
    346 		 FM_CODEC_CMD) & FM_CODEC_CMD_BUSY; i++)
    347 		delay(1);
    348 	if (i >= TIMO) {
    349 		printf("fms: codec busy\n");
    350 		return 1;
    351 	}
    352 
    353 	/* Write register index, read access */
    354 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CMD,
    355 			  reg | FM_CODEC_CMD_READ);
    356 
    357 	/* Poll until we have valid data */
    358 	for (i = 0; i < TIMO && !(bus_space_read_2(sc->sc_iot, sc->sc_ioh,
    359 		 FM_CODEC_CMD) & FM_CODEC_CMD_VALID); i++)
    360 		delay(1);
    361 	if (i >= TIMO) {
    362 		printf("fms: no data from codec\n");
    363 		return 1;
    364 	}
    365 
    366 	/* Read data */
    367 	*val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_DATA);
    368 	return 0;
    369 }
    370 
    371 static int
    372 fms_write_codec(void *addr, uint8_t reg, uint16_t val)
    373 {
    374 	struct fms_softc *sc = addr;
    375 	int i;
    376 
    377 	/* Poll until codec is ready */
    378 	for (i = 0; i < TIMO && bus_space_read_2(sc->sc_iot, sc->sc_ioh,
    379 		 FM_CODEC_CMD) & FM_CODEC_CMD_BUSY; i++)
    380 		delay(1);
    381 	if (i >= TIMO) {
    382 		printf("fms: codec busy\n");
    383 		return 1;
    384 	}
    385 
    386 	/* Write data */
    387 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_DATA, val);
    388 	/* Write index register, write access */
    389 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CMD, reg);
    390 	return 0;
    391 }
    392 #undef TIMO
    393 
    394 static int
    395 fms_attach_codec(void *addr, struct ac97_codec_if *cif)
    396 {
    397 	struct fms_softc *sc;
    398 
    399 	sc = addr;
    400 	sc->codec_if = cif;
    401 	return 0;
    402 }
    403 
    404 /* Cold Reset */
    405 static int
    406 fms_reset_codec(void *addr)
    407 {
    408 	struct fms_softc *sc;
    409 
    410 	sc = addr;
    411 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0020);
    412 	delay(2);
    413 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0000);
    414 	delay(1);
    415 	return 0;
    416 }
    417 
    418 static int
    419 fms_intr(void *arg)
    420 {
    421 	struct fms_softc *sc = arg;
    422 #if NMPU > 0
    423 	struct mpu_softc *sc_mpu = device_private(sc->sc_mpu_dev);
    424 #endif
    425 	uint16_t istat;
    426 
    427 	mutex_spin_enter(&sc->sc_intr_lock);
    428 
    429 	istat = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS);
    430 
    431 	if (istat & FM_INTSTATUS_PLAY) {
    432 		if ((sc->sc_play_nextblk += sc->sc_play_blksize) >=
    433 		     sc->sc_play_end)
    434 			sc->sc_play_nextblk = sc->sc_play_start;
    435 
    436 		bus_space_write_4(sc->sc_iot, sc->sc_ioh,
    437 		    sc->sc_play_flip++ & 1 ?
    438 		    FM_PLAY_DMABUF2 : FM_PLAY_DMABUF1, sc->sc_play_nextblk);
    439 
    440 		if (sc->sc_pintr)
    441 			sc->sc_pintr(sc->sc_parg);
    442 		else
    443 			printf("unexpected play intr\n");
    444 	}
    445 
    446 	if (istat & FM_INTSTATUS_REC) {
    447 		if ((sc->sc_rec_nextblk += sc->sc_rec_blksize) >=
    448 		     sc->sc_rec_end)
    449 			sc->sc_rec_nextblk = sc->sc_rec_start;
    450 
    451 		bus_space_write_4(sc->sc_iot, sc->sc_ioh,
    452 		    sc->sc_rec_flip++ & 1 ?
    453 		    FM_REC_DMABUF2 : FM_REC_DMABUF1, sc->sc_rec_nextblk);
    454 
    455 		if (sc->sc_rintr)
    456 			sc->sc_rintr(sc->sc_rarg);
    457 		else
    458 			printf("unexpected rec intr\n");
    459 	}
    460 
    461 #if NMPU > 0
    462 	if (istat & FM_INTSTATUS_MPU)
    463 		mpu_intr(sc_mpu);
    464 #endif
    465 
    466 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS,
    467 			  istat & (FM_INTSTATUS_PLAY | FM_INTSTATUS_REC));
    468 
    469 	mutex_spin_exit(&sc->sc_intr_lock);
    470 
    471 	return 1;
    472 }
    473 
    474 static int
    475 fms_query_encoding(void *addr, struct audio_encoding *fp)
    476 {
    477 
    478 	switch (fp->index) {
    479 	case 0:
    480 		strcpy(fp->name, AudioEmulaw);
    481 		fp->encoding = AUDIO_ENCODING_ULAW;
    482 		fp->precision = 8;
    483 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
    484 		return 0;
    485 	case 1:
    486 		strcpy(fp->name, AudioEslinear_le);
    487 		fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
    488 		fp->precision = 16;
    489 		fp->flags = 0;
    490 		return 0;
    491 	case 2:
    492 		strcpy(fp->name, AudioEulinear);
    493 		fp->encoding = AUDIO_ENCODING_ULINEAR;
    494 		fp->precision = 8;
    495 		fp->flags = 0;
    496 		return 0;
    497 	case 3:
    498 		strcpy(fp->name, AudioEalaw);
    499 		fp->encoding = AUDIO_ENCODING_ALAW;
    500 		fp->precision = 8;
    501 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
    502 		return 0;
    503 	case 4:
    504 		strcpy(fp->name, AudioEulinear_le);
    505 		fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
    506 		fp->precision = 16;
    507 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
    508 		return 0;
    509 	case 5:
    510 		strcpy(fp->name, AudioEslinear);
    511 		fp->encoding = AUDIO_ENCODING_SLINEAR;
    512 		fp->precision = 8;
    513 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
    514 		return 0;
    515 	case 6:
    516 		strcpy(fp->name, AudioEulinear_be);
    517 		fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
    518 		fp->precision = 16;
    519 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
    520 		return 0;
    521 	case 7:
    522 		strcpy(fp->name, AudioEslinear_be);
    523 		fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
    524 		fp->precision = 16;
    525 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
    526 		return 0;
    527 	default:
    528 		return EINVAL;
    529 	}
    530 }
    531 
    532 /*
    533  * Range below -limit- is set to -rate-
    534  * What a pity FM801 does not have 24000
    535  * 24000 -> 22050 sounds rather poor
    536  */
    537 static struct {
    538 	int limit;
    539 	int rate;
    540 } const fms_rates[11] = {
    541 	{  6600,  5500 },
    542 	{  8750,  8000 },
    543 	{ 10250,  9600 },
    544 	{ 13200, 11025 },
    545 	{ 17500, 16000 },
    546 	{ 20500, 19200 },
    547 	{ 26500, 22050 },
    548 	{ 35000, 32000 },
    549 	{ 41000, 38400 },
    550 	{ 46000, 44100 },
    551 	{ 48000, 48000 },
    552 	/* anything above -> 48000 */
    553 };
    554 
    555 #define FMS_NFORMATS	4
    556 static const struct audio_format fms_formats[FMS_NFORMATS] = {
    557 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    558 	 2, AUFMT_STEREO, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050,
    559 			       32000, 38400, 44100, 48000}},
    560 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    561 	 1, AUFMT_MONAURAL, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050,
    562 				 32000, 38400, 44100, 48000}},
    563 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    564 	 2, AUFMT_STEREO, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050,
    565 			       32000, 38400, 44100, 48000}},
    566 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    567 	 1, AUFMT_MONAURAL, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050,
    568 				 32000, 38400, 44100, 48000}},
    569 };
    570 
    571 static int
    572 fms_set_params(void *addr, int setmode, int usemode,
    573     audio_params_t *play, audio_params_t *rec, stream_filter_list_t *pfil,
    574     stream_filter_list_t *rfil)
    575 {
    576 	struct fms_softc *sc;
    577 	int i, index;
    578 
    579 	sc = addr;
    580 	if (setmode & AUMODE_PLAY) {
    581 		for (i = 0; i < 10 && play->sample_rate > fms_rates[i].limit;
    582 		     i++)
    583 			continue;
    584 		play->sample_rate = fms_rates[i].rate;
    585 		index = auconv_set_converter(fms_formats, FMS_NFORMATS,
    586 					     AUMODE_PLAY, play, FALSE, pfil);
    587 		if (index < 0)
    588 			return EINVAL;
    589 		sc->sc_play_reg = i << 8;
    590 		if (fms_formats[index].channels == 2)
    591 			sc->sc_play_reg |= FM_PLAY_STEREO;
    592 		if (fms_formats[index].precision == 16)
    593 			sc->sc_play_reg |= FM_PLAY_16BIT;
    594 	}
    595 
    596 	if (setmode & AUMODE_RECORD) {
    597 		for (i = 0; i < 10 && rec->sample_rate > fms_rates[i].limit;
    598 		     i++)
    599 			continue;
    600 		rec->sample_rate = fms_rates[i].rate;
    601 		index = auconv_set_converter(fms_formats, FMS_NFORMATS,
    602 					     AUMODE_RECORD, rec, FALSE, rfil);
    603 		if (index < 0)
    604 			return EINVAL;
    605 		sc->sc_rec_reg = i << 8;
    606 		if (fms_formats[index].channels == 2)
    607 			sc->sc_rec_reg |= FM_REC_STEREO;
    608 		if (fms_formats[index].precision == 16)
    609 			sc->sc_rec_reg |= FM_REC_16BIT;
    610 	}
    611 
    612 	return 0;
    613 }
    614 
    615 static int
    616 fms_round_blocksize(void *addr, int blk, int mode,
    617     const audio_params_t *param)
    618 {
    619 
    620 	return blk & ~0xf;
    621 }
    622 
    623 static int
    624 fms_halt_output(void *addr)
    625 {
    626 	struct fms_softc *sc;
    627 	uint16_t k1;
    628 
    629 	sc = addr;
    630 	k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL);
    631 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL,
    632 			  (k1 & ~(FM_PLAY_STOPNOW | FM_PLAY_START)) |
    633 			  FM_PLAY_BUF1_LAST | FM_PLAY_BUF2_LAST);
    634 
    635 	return 0;
    636 }
    637 
    638 static int
    639 fms_halt_input(void *addr)
    640 {
    641 	struct fms_softc *sc;
    642 	uint16_t k1;
    643 
    644 	sc = addr;
    645 	k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL);
    646 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL,
    647 			  (k1 & ~(FM_REC_STOPNOW | FM_REC_START)) |
    648 			  FM_REC_BUF1_LAST | FM_REC_BUF2_LAST);
    649 
    650 	return 0;
    651 }
    652 
    653 static int
    654 fms_getdev(void *addr, struct audio_device *retp)
    655 {
    656 
    657 	*retp = fms_device;
    658 	return 0;
    659 }
    660 
    661 static int
    662 fms_set_port(void *addr, mixer_ctrl_t *cp)
    663 {
    664 	struct fms_softc *sc;
    665 
    666 	sc = addr;
    667 	return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
    668 }
    669 
    670 static int
    671 fms_get_port(void *addr, mixer_ctrl_t *cp)
    672 {
    673 	struct fms_softc *sc;
    674 
    675 	sc = addr;
    676 	return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp);
    677 }
    678 
    679 static void *
    680 fms_malloc(void *addr, int direction, size_t size)
    681 {
    682 	struct fms_softc *sc;
    683 	struct fms_dma *p;
    684 	int error;
    685 	int rseg;
    686 
    687 	sc = addr;
    688 	p = kmem_alloc(sizeof(*p), KM_SLEEP);
    689 	if (p == NULL)
    690 		return NULL;
    691 
    692 	p->size = size;
    693 	if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg,
    694 				      1, &rseg, BUS_DMA_WAITOK)) != 0) {
    695 		aprint_error_dev(sc->sc_dev, "unable to allocate DMA, error = %d\n", error);
    696 		goto fail_alloc;
    697 	}
    698 
    699 	if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr,
    700 				    BUS_DMA_WAITOK | BUS_DMA_COHERENT)) != 0) {
    701 		aprint_error_dev(sc->sc_dev, "unable to map DMA, error = %d\n",
    702 		       error);
    703 		goto fail_map;
    704 	}
    705 
    706 	if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0,
    707 				       BUS_DMA_WAITOK, &p->map)) != 0) {
    708 		aprint_error_dev(sc->sc_dev, "unable to create DMA map, error = %d\n",
    709 		       error);
    710 		goto fail_create;
    711 	}
    712 
    713 	if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL,
    714 				     BUS_DMA_WAITOK)) != 0) {
    715 		aprint_error_dev(sc->sc_dev, "unable to load DMA map, error = %d\n",
    716 		       error);
    717 		goto fail_load;
    718 	}
    719 
    720 	p->next = sc->sc_dmas;
    721 	sc->sc_dmas = p;
    722 
    723 	return p->addr;
    724 
    725 
    726 fail_load:
    727 	bus_dmamap_destroy(sc->sc_dmat, p->map);
    728 fail_create:
    729 	bus_dmamem_unmap(sc->sc_dmat, p->addr, size);
    730 fail_map:
    731 	bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
    732 fail_alloc:
    733 	kmem_free(p, sizeof(*p));
    734 	return NULL;
    735 }
    736 
    737 static void
    738 fms_free(void *addr, void *ptr, size_t size)
    739 {
    740 	struct fms_softc *sc;
    741 	struct fms_dma **pp, *p;
    742 
    743 	sc = addr;
    744 	for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next)
    745 		if (p->addr == ptr) {
    746 			bus_dmamap_unload(sc->sc_dmat, p->map);
    747 			bus_dmamap_destroy(sc->sc_dmat, p->map);
    748 			bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
    749 			bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
    750 
    751 			*pp = p->next;
    752 			kmem_free(p, sizeof(*p));
    753 			return;
    754 		}
    755 
    756 	panic("fms_free: trying to free unallocated memory");
    757 }
    758 
    759 static size_t
    760 fms_round_buffersize(void *addr, int direction, size_t size)
    761 {
    762 
    763 	return size;
    764 }
    765 
    766 static paddr_t
    767 fms_mappage(void *addr, void *mem, off_t off, int prot)
    768 {
    769 	struct fms_softc *sc;
    770 	struct fms_dma *p;
    771 
    772 	sc = addr;
    773 	if (off < 0)
    774 		return -1;
    775 
    776 	for (p = sc->sc_dmas; p && p->addr != mem; p = p->next)
    777 		continue;
    778 	if (p == NULL)
    779 		return -1;
    780 
    781 	return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot,
    782 			       BUS_DMA_WAITOK);
    783 }
    784 
    785 static int
    786 fms_get_props(void *addr)
    787 {
    788 	return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
    789 	       AUDIO_PROP_FULLDUPLEX;
    790 }
    791 
    792 static int
    793 fms_query_devinfo(void *addr, mixer_devinfo_t *dip)
    794 {
    795 	struct fms_softc *sc;
    796 
    797 	sc = addr;
    798 	return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip);
    799 }
    800 
    801 static int
    802 fms_trigger_output(void *addr, void *start, void *end, int blksize,
    803     void (*intr)(void *), void *arg, const audio_params_t *param)
    804 {
    805 	struct fms_softc *sc;
    806 	struct fms_dma *p;
    807 
    808 	sc = addr;
    809 	sc->sc_pintr = intr;
    810 	sc->sc_parg = arg;
    811 
    812 	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
    813 		continue;
    814 
    815 	if (p == NULL)
    816 		panic("fms_trigger_output: request with bad start "
    817 		      "address (%p)", start);
    818 
    819 	sc->sc_play_start = p->map->dm_segs[0].ds_addr;
    820 	sc->sc_play_end = sc->sc_play_start + ((char *)end - (char *)start);
    821 	sc->sc_play_blksize = blksize;
    822 	sc->sc_play_nextblk = sc->sc_play_start + sc->sc_play_blksize;
    823 	sc->sc_play_flip = 0;
    824 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMALEN, blksize - 1);
    825 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMABUF1,
    826 			  sc->sc_play_start);
    827 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMABUF2,
    828 			  sc->sc_play_nextblk);
    829 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL,
    830 			  FM_PLAY_START | FM_PLAY_STOPNOW | sc->sc_play_reg);
    831 	return 0;
    832 }
    833 
    834 
    835 static int
    836 fms_trigger_input(void *addr, void *start, void *end, int blksize,
    837     void (*intr)(void *), void *arg, const audio_params_t *param)
    838 {
    839 	struct fms_softc *sc;
    840 	struct fms_dma *p;
    841 
    842 	sc = addr;
    843 	sc->sc_rintr = intr;
    844 	sc->sc_rarg = arg;
    845 
    846 	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
    847 		continue;
    848 
    849 	if (p == NULL)
    850 		panic("fms_trigger_input: request with bad start "
    851 		      "address (%p)", start);
    852 
    853 	sc->sc_rec_start = p->map->dm_segs[0].ds_addr;
    854 	sc->sc_rec_end = sc->sc_rec_start + ((char *)end - (char *)start);
    855 	sc->sc_rec_blksize = blksize;
    856 	sc->sc_rec_nextblk = sc->sc_rec_start + sc->sc_rec_blksize;
    857 	sc->sc_rec_flip = 0;
    858 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_DMALEN, blksize - 1);
    859 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_REC_DMABUF1,
    860 			  sc->sc_rec_start);
    861 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_REC_DMABUF2,
    862 			  sc->sc_rec_nextblk);
    863 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL,
    864 			  FM_REC_START | FM_REC_STOPNOW | sc->sc_rec_reg);
    865 	return 0;
    866 }
    867 
    868 static void
    869 fms_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread)
    870 {
    871 	struct fms_softc *sc;
    872 
    873 	sc = addr;
    874 	*intr = &sc->sc_intr_lock;
    875 	*thread = &sc->sc_lock;
    876 }
    877