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fms.c revision 1.11
      1 /*	$NetBSD: fms.c,v 1.11 2001/11/13 07:48:42 lukem Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1999 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  * 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  * Forte Media FM801 Audio Device Driver
     41  */
     42 
     43 #include <sys/cdefs.h>
     44 __KERNEL_RCSID(0, "$NetBSD: fms.c,v 1.11 2001/11/13 07:48:42 lukem Exp $");
     45 
     46 #include "mpu.h"
     47 
     48 #include <sys/param.h>
     49 #include <sys/systm.h>
     50 #include <sys/kernel.h>
     51 #include <sys/malloc.h>
     52 #include <sys/device.h>
     53 #include <sys/audioio.h>
     54 
     55 #include <uvm/uvm_extern.h>
     56 
     57 #include <machine/bus.h>
     58 #include <machine/cpu.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/ac97var.h>
     68 #include <dev/ic/mpuvar.h>
     69 
     70 #include <dev/pci/fmsvar.h>
     71 
     72 
     73 struct fms_dma {
     74 	struct fms_dma *next;
     75 	caddr_t addr;
     76 	size_t size;
     77 	bus_dmamap_t map;
     78 	bus_dma_segment_t seg;
     79 };
     80 
     81 
     82 
     83 int	fms_match __P((struct device *, struct cfdata *, void *));
     84 void	fms_attach __P((struct device *, struct device *, void *));
     85 int	fms_intr __P((void *));
     86 
     87 int	fms_open __P((void *, int));
     88 void	fms_close __P((void *));
     89 int	fms_query_encoding __P((void *, struct audio_encoding *));
     90 int	fms_set_params __P((void *, int, int, struct audio_params *,
     91 			    struct audio_params *));
     92 int	fms_round_blocksize __P((void *, int));
     93 int	fms_halt_output __P((void *));
     94 int	fms_halt_input __P((void *));
     95 int	fms_getdev __P((void *, struct audio_device *));
     96 int	fms_set_port __P((void *, mixer_ctrl_t *));
     97 int	fms_get_port __P((void *, mixer_ctrl_t *));
     98 int	fms_query_devinfo __P((void *, mixer_devinfo_t *));
     99 void	*fms_malloc __P((void *, int, size_t, int, int));
    100 void	fms_free __P((void *, void *, int));
    101 size_t	fms_round_buffersize __P((void *, int, size_t));
    102 paddr_t	fms_mappage __P((void *, void *, off_t, int));
    103 int	fms_get_props __P((void *));
    104 int	fms_trigger_output __P((void *, void *, void *, int, void (*)(void *),
    105 				void *, struct audio_params *));
    106 int	fms_trigger_input __P((void *, void *, void *, int, void (*)(void *),
    107 			       void *, struct audio_params *));
    108 
    109 struct cfattach fms_ca = {
    110 	sizeof (struct fms_softc), fms_match, fms_attach
    111 };
    112 
    113 struct audio_device fms_device = {
    114 	"Forte Media 801",
    115 	"1.0",
    116 	"fms"
    117 };
    118 
    119 
    120 struct audio_hw_if fms_hw_if = {
    121 	fms_open,
    122 	fms_close,
    123 	NULL,
    124 	fms_query_encoding,
    125 	fms_set_params,
    126 	fms_round_blocksize,
    127 	NULL,
    128 	NULL,
    129 	NULL,
    130 	NULL,
    131 	NULL,
    132 	fms_halt_output,
    133 	fms_halt_input,
    134 	NULL,
    135 	fms_getdev,
    136 	NULL,
    137 	fms_set_port,
    138 	fms_get_port,
    139 	fms_query_devinfo,
    140 	fms_malloc,
    141 	fms_free,
    142 	fms_round_buffersize,
    143 	fms_mappage,
    144 	fms_get_props,
    145 	fms_trigger_output,
    146 	fms_trigger_input,
    147 	NULL,
    148 };
    149 
    150 int	fms_attach_codec __P((void *, struct ac97_codec_if *));
    151 int	fms_read_codec __P((void *, u_int8_t, u_int16_t *));
    152 int	fms_write_codec __P((void *, u_int8_t, u_int16_t));
    153 void	fms_reset_codec __P((void *));
    154 
    155 int	fms_allocmem __P((struct fms_softc *, size_t, size_t,
    156 			  struct fms_dma *));
    157 int	fms_freemem __P((struct fms_softc *, struct fms_dma *));
    158 
    159 #define FM_PCM_VOLUME		0x00
    160 #define FM_FM_VOLUME		0x02
    161 #define FM_I2S_VOLUME		0x04
    162 #define FM_RECORD_SOURCE	0x06
    163 
    164 #define FM_PLAY_CTL		0x08
    165 #define  FM_PLAY_RATE_MASK		0x0f00
    166 #define  FM_PLAY_BUF1_LAST		0x0001
    167 #define  FM_PLAY_BUF2_LAST		0x0002
    168 #define  FM_PLAY_START			0x0020
    169 #define  FM_PLAY_PAUSE			0x0040
    170 #define  FM_PLAY_STOPNOW		0x0080
    171 #define  FM_PLAY_16BIT			0x4000
    172 #define  FM_PLAY_STEREO			0x8000
    173 
    174 #define FM_PLAY_DMALEN		0x0a
    175 #define FM_PLAY_DMABUF1		0x0c
    176 #define FM_PLAY_DMABUF2		0x10
    177 
    178 
    179 #define FM_REC_CTL		0x14
    180 #define  FM_REC_RATE_MASK		0x0f00
    181 #define  FM_REC_BUF1_LAST		0x0001
    182 #define  FM_REC_BUF2_LAST		0x0002
    183 #define  FM_REC_START			0x0020
    184 #define  FM_REC_PAUSE			0x0040
    185 #define  FM_REC_STOPNOW			0x0080
    186 #define  FM_REC_16BIT			0x4000
    187 #define  FM_REC_STEREO			0x8000
    188 
    189 
    190 #define FM_REC_DMALEN		0x16
    191 #define FM_REC_DMABUF1		0x18
    192 #define FM_REC_DMABUF2		0x1c
    193 
    194 #define FM_CODEC_CTL		0x22
    195 #define FM_VOLUME		0x26
    196 #define  FM_VOLUME_MUTE			0x8000
    197 
    198 #define FM_CODEC_CMD		0x2a
    199 #define  FM_CODEC_CMD_READ		0x0080
    200 #define  FM_CODEC_CMD_VALID		0x0100
    201 #define  FM_CODEC_CMD_BUSY		0x0200
    202 
    203 #define FM_CODEC_DATA		0x2c
    204 
    205 #define FM_IO_CTL		0x52
    206 #define FM_CARD_CTL		0x54
    207 
    208 #define FM_INTMASK		0x56
    209 #define  FM_INTMASK_PLAY		0x0001
    210 #define  FM_INTMASK_REC			0x0002
    211 #define  FM_INTMASK_VOL			0x0040
    212 #define  FM_INTMASK_MPU			0x0080
    213 
    214 #define FM_INTSTATUS		0x5a
    215 #define  FM_INTSTATUS_PLAY		0x0100
    216 #define  FM_INTSTATUS_REC		0x0200
    217 #define  FM_INTSTATUS_VOL		0x4000
    218 #define  FM_INTSTATUS_MPU		0x8000
    219 
    220 
    221 
    222 int
    223 fms_match(parent, match, aux)
    224 	struct device *parent;
    225 	struct cfdata *match;
    226 	void *aux;
    227 {
    228 	struct pci_attach_args *pa = (struct pci_attach_args *) aux;
    229 
    230 	if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_FORTEMEDIA)
    231 		return 0;
    232 	if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_FORTEMEDIA_FM801)
    233 		return 0;
    234 
    235 	return 1;
    236 }
    237 
    238 void
    239 fms_attach(parent, self, aux)
    240 	struct device *parent;
    241 	struct device *self;
    242 	void *aux;
    243 {
    244 	struct pci_attach_args *pa = aux;
    245 	struct fms_softc *sc = (struct fms_softc *) self;
    246 	struct audio_attach_args aa;
    247 	const char *intrstr = NULL;
    248 	pci_chipset_tag_t pc = pa->pa_pc;
    249 	pcitag_t pt = pa->pa_tag;
    250 	pci_intr_handle_t ih;
    251 	int i;
    252 
    253 	u_int16_t k1;
    254 
    255 	printf(": Forte Media FM-801\n");
    256 
    257 	if (pci_intr_map(pa, &ih)) {
    258 		printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
    259 		return;
    260 	}
    261 	intrstr = pci_intr_string(pc, ih);
    262 
    263 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, fms_intr, sc);
    264 	if (sc->sc_ih == NULL) {
    265 		printf("%s: couldn't establish interrupt",sc->sc_dev.dv_xname);
    266 		if (intrstr != NULL)
    267 			printf(" at %s", intrstr);
    268 		printf("\n");
    269 		return;
    270 	}
    271 
    272 	sc->sc_dmat = pa->pa_dmat;
    273 
    274 	printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
    275 
    276 	if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot,
    277 			   &sc->sc_ioh, &sc->sc_ioaddr, &sc->sc_iosize)) {
    278 		printf("%s: can't map i/o space\n", sc->sc_dev.dv_xname);
    279 		return;
    280 	}
    281 
    282 	if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, 0x30, 2,
    283 				&sc->sc_mpu_ioh))
    284 		panic("fms_attach: can't get mpu subregion handle");
    285 
    286 	if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, 0x68, 4,
    287 				&sc->sc_opl_ioh))
    288 		panic("fms_attach: can't get opl subregion handle");
    289 
    290 	/* Disable legacy audio (SBPro compatibility) */
    291 	pci_conf_write(pc, pt, 0x40, 0);
    292 
    293 	/* Reset codec and AC'97 */
    294 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0020);
    295 	delay(2);		/* > 1us according to AC'97 documentation */
    296 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0000);
    297 	delay(1);		/* > 168.2ns according to AC'97 documentation */
    298 
    299 	/* Set up volume */
    300 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PCM_VOLUME, 0x0808);
    301 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_FM_VOLUME, 0x0808);
    302 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_I2S_VOLUME, 0x0808);
    303 
    304 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_RECORD_SOURCE, 0x0000);
    305 
    306 	/* Unmask playback, record and mpu interrupts, mask the rest */
    307 	k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_INTMASK);
    308 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTMASK,
    309 	    (k1 & ~(FM_INTMASK_PLAY | FM_INTMASK_REC | FM_INTMASK_MPU)) |
    310 	     FM_INTMASK_VOL);
    311 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS,
    312 	    FM_INTSTATUS_PLAY | FM_INTSTATUS_REC | FM_INTSTATUS_MPU |
    313 	    FM_INTSTATUS_VOL);
    314 
    315 	sc->host_if.arg = sc;
    316 	sc->host_if.attach = fms_attach_codec;
    317 	sc->host_if.read = fms_read_codec;
    318 	sc->host_if.write = fms_write_codec;
    319 	sc->host_if.reset = fms_reset_codec;
    320 
    321 	if (ac97_attach(&sc->host_if) != 0)
    322 		return;
    323 
    324 	/* Turn mute off */
    325 	for (i = 0; i < 3; i++) {
    326 		static struct {
    327 			char *class, *device;
    328 		} d[] = {
    329 			{ AudioCoutputs, AudioNmaster },
    330 			{ AudioCinputs, AudioNdac },
    331 			{ AudioCrecord, AudioNvolume }
    332 		};
    333 		struct mixer_ctrl ctl;
    334 
    335 		ctl.type = AUDIO_MIXER_ENUM;
    336 		ctl.un.ord = 0;
    337 		ctl.dev = sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if,
    338 			d[i].class, d[i].device, AudioNmute);
    339 		fms_set_port(sc, &ctl);
    340 	}
    341 
    342 	audio_attach_mi(&fms_hw_if, sc, &sc->sc_dev);
    343 
    344 	aa.type = AUDIODEV_TYPE_OPL;
    345 	aa.hwif = NULL;
    346 	aa.hdl = NULL;
    347 	config_found(&sc->sc_dev, &aa, audioprint);
    348 
    349 	aa.type = AUDIODEV_TYPE_MPU;
    350 	aa.hwif = NULL;
    351 	aa.hdl = NULL;
    352 	sc->sc_mpu_dev = config_found(&sc->sc_dev, &aa, audioprint);
    353 }
    354 
    355 /*
    356  * Each AC-link frame takes 20.8us, data should be ready in next frame,
    357  * we allow more than two.
    358  */
    359 #define TIMO 50
    360 int
    361 fms_read_codec(addr, reg, val)
    362 	void *addr;
    363 	u_int8_t reg;
    364 	u_int16_t *val;
    365 {
    366 	struct fms_softc *sc = addr;
    367 	int i;
    368 
    369 	/* Poll until codec is ready */
    370 	for (i = 0; i < TIMO && bus_space_read_2(sc->sc_iot, sc->sc_ioh,
    371 		 FM_CODEC_CMD) & FM_CODEC_CMD_BUSY; i++)
    372 		delay(1);
    373 	if (i >= TIMO) {
    374 		printf("fms: codec busy\n");
    375 		return 1;
    376 	}
    377 
    378 	/* Write register index, read access */
    379 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CMD,
    380 			  reg | FM_CODEC_CMD_READ);
    381 
    382 	/* Poll until we have valid data */
    383 	for (i = 0; i < TIMO && !(bus_space_read_2(sc->sc_iot, sc->sc_ioh,
    384 		 FM_CODEC_CMD) & FM_CODEC_CMD_VALID); i++)
    385 		delay(1);
    386 	if (i >= TIMO) {
    387 		printf("fms: no data from codec\n");
    388 		return 1;
    389 	}
    390 
    391 	/* Read data */
    392 	*val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_DATA);
    393 	return 0;
    394 }
    395 
    396 int
    397 fms_write_codec(addr, reg, val)
    398 	void *addr;
    399 	u_int8_t reg;
    400 	u_int16_t val;
    401 {
    402 	struct fms_softc *sc = addr;
    403 	int i;
    404 
    405 	/* Poll until codec is ready */
    406 	for (i = 0; i < TIMO && bus_space_read_2(sc->sc_iot, sc->sc_ioh,
    407 		 FM_CODEC_CMD) & FM_CODEC_CMD_BUSY; i++)
    408 		delay(1);
    409 	if (i >= TIMO) {
    410 		printf("fms: codec busy\n");
    411 		return 1;
    412 	}
    413 
    414 	/* Write data */
    415 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_DATA, val);
    416 	/* Write index register, write access */
    417 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CMD, reg);
    418 	return 0;
    419 }
    420 #undef TIMO
    421 
    422 int
    423 fms_attach_codec(addr, cif)
    424 	void *addr;
    425 	struct ac97_codec_if *cif;
    426 {
    427 	struct fms_softc *sc = addr;
    428 
    429 	sc->codec_if = cif;
    430 	return 0;
    431 }
    432 
    433 /* Cold Reset */
    434 void
    435 fms_reset_codec(addr)
    436 	void *addr;
    437 {
    438 	struct fms_softc *sc = addr;
    439 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0020);
    440 	delay(2);
    441 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0000);
    442 	delay(1);
    443 }
    444 
    445 int
    446 fms_intr(arg)
    447 	void *arg;
    448 {
    449 	struct fms_softc *sc = arg;
    450 	u_int16_t istat;
    451 
    452 	istat = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS);
    453 
    454 	if (istat & FM_INTSTATUS_PLAY) {
    455 		if ((sc->sc_play_nextblk += sc->sc_play_blksize) >=
    456 		     sc->sc_play_end)
    457 			sc->sc_play_nextblk = sc->sc_play_start;
    458 
    459 		bus_space_write_4(sc->sc_iot, sc->sc_ioh,
    460 		    sc->sc_play_flip++ & 1 ?
    461 		    FM_PLAY_DMABUF2 : FM_PLAY_DMABUF1, sc->sc_play_nextblk);
    462 
    463 		if (sc->sc_pintr)
    464 			sc->sc_pintr(sc->sc_parg);
    465 		else
    466 			printf("unexpected play intr\n");
    467 	}
    468 
    469 	if (istat & FM_INTSTATUS_REC) {
    470 		if ((sc->sc_rec_nextblk += sc->sc_rec_blksize) >=
    471 		     sc->sc_rec_end)
    472 			sc->sc_rec_nextblk = sc->sc_rec_start;
    473 
    474 		bus_space_write_4(sc->sc_iot, sc->sc_ioh,
    475 		    sc->sc_rec_flip++ & 1 ?
    476 		    FM_REC_DMABUF2 : FM_REC_DMABUF1, sc->sc_rec_nextblk);
    477 
    478 		if (sc->sc_rintr)
    479 			sc->sc_rintr(sc->sc_rarg);
    480 		else
    481 			printf("unexpected rec intr\n");
    482 	}
    483 
    484 #if NMPU > 0
    485 	if (istat & FM_INTSTATUS_MPU)
    486 		mpu_intr(sc->sc_mpu_dev);
    487 #endif
    488 
    489 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS,
    490 			  istat & (FM_INTSTATUS_PLAY | FM_INTSTATUS_REC));
    491 
    492 	return 1;
    493 }
    494 
    495 int
    496 fms_open(addr, flags)
    497 	void *addr;
    498 	int flags;
    499 {
    500 	/* UNUSED struct fms_softc *sc = addr;*/
    501 
    502 	return 0;
    503 }
    504 
    505 void
    506 fms_close(addr)
    507 	void *addr;
    508 {
    509 	/* UNUSED struct fms_softc *sc = addr;*/
    510 }
    511 
    512 int
    513 fms_query_encoding(addr, fp)
    514 	void *addr;
    515 	struct audio_encoding *fp;
    516 {
    517 
    518 	switch (fp->index) {
    519 	case 0:
    520 		strcpy(fp->name, AudioEmulaw);
    521 		fp->encoding = AUDIO_ENCODING_ULAW;
    522 		fp->precision = 8;
    523 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
    524 		return 0;
    525 	case 1:
    526 		strcpy(fp->name, AudioEslinear_le);
    527 		fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
    528 		fp->precision = 16;
    529 		fp->flags = 0;
    530 		return 0;
    531 	case 2:
    532 		strcpy(fp->name, AudioEulinear);
    533 		fp->encoding = AUDIO_ENCODING_ULINEAR;
    534 		fp->precision = 8;
    535 		fp->flags = 0;
    536 		return 0;
    537 	case 3:
    538 		strcpy(fp->name, AudioEalaw);
    539 		fp->encoding = AUDIO_ENCODING_ALAW;
    540 		fp->precision = 8;
    541 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
    542 		return 0;
    543 	case 4:
    544 		strcpy(fp->name, AudioEulinear_le);
    545 		fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
    546 		fp->precision = 16;
    547 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
    548 		return 0;
    549 	case 5:
    550 		strcpy(fp->name, AudioEslinear);
    551 		fp->encoding = AUDIO_ENCODING_SLINEAR;
    552 		fp->precision = 8;
    553 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
    554 		return 0;
    555 	case 6:
    556 		strcpy(fp->name, AudioEulinear_be);
    557 		fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
    558 		fp->precision = 16;
    559 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
    560 		return 0;
    561 	case 7:
    562 		strcpy(fp->name, AudioEslinear_be);
    563 		fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
    564 		fp->precision = 16;
    565 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
    566 		return 0;
    567 	default:
    568 		return EINVAL;
    569 	}
    570 }
    571 
    572 /*
    573  * Range below -limit- is set to -rate-
    574  * What a pity FM801 does not have 24000
    575  * 24000 -> 22050 sounds rather poor
    576  */
    577 struct {
    578 	int limit;
    579 	int rate;
    580 } fms_rates[11] = {
    581 	{  6600,  5500 },
    582 	{  8750,  8000 },
    583 	{ 10250,  9600 },
    584 	{ 13200, 11025 },
    585 	{ 17500, 16000 },
    586 	{ 20500, 19200 },
    587 	{ 26500, 22050 },
    588 	{ 35000, 32000 },
    589 	{ 41000, 38400 },
    590 	{ 46000, 44100 },
    591 	{ 48000, 48000 },
    592 	/* anything above -> 48000 */
    593 };
    594 
    595 int
    596 fms_set_params(addr, setmode, usemode, play, rec)
    597 	void *addr;
    598 	int setmode, usemode;
    599 	struct audio_params *play, *rec;
    600 {
    601 	struct fms_softc *sc = addr;
    602 	int i;
    603 
    604 	if (setmode & AUMODE_PLAY) {
    605 		play->factor = 1;
    606 		play->sw_code = 0;
    607 		switch(play->encoding) {
    608 		case AUDIO_ENCODING_ULAW:
    609 			play->factor = 2;
    610 			play->sw_code = mulaw_to_slinear16_le;
    611 			break;
    612 		case AUDIO_ENCODING_SLINEAR_LE:
    613 			if (play->precision == 8)
    614 				play->sw_code = change_sign8;
    615 			break;
    616 		case AUDIO_ENCODING_ULINEAR_LE:
    617 			if (play->precision == 16)
    618 				play->sw_code = change_sign16_le;
    619 			break;
    620 		case AUDIO_ENCODING_ALAW:
    621 			play->factor = 2;
    622 			play->sw_code = alaw_to_slinear16_le;
    623 			break;
    624 		case AUDIO_ENCODING_SLINEAR_BE:
    625 			if (play->precision == 16)
    626 				play->sw_code = swap_bytes;
    627 			else
    628 				play->sw_code = change_sign8;
    629 			break;
    630 		case AUDIO_ENCODING_ULINEAR_BE:
    631 			if (play->precision == 16)
    632 				play->sw_code = change_sign16_swap_bytes_le;
    633 			break;
    634 		default:
    635 			return EINVAL;
    636 		}
    637 		for (i = 0; i < 10 && play->sample_rate > fms_rates[i].limit;
    638 		     i++)
    639 			;
    640 		play->sample_rate = fms_rates[i].rate;
    641 		sc->sc_play_reg = (play->channels == 2 ? FM_PLAY_STEREO : 0) |
    642 		    (play->precision * play->factor == 16 ? FM_PLAY_16BIT : 0) |
    643 		    (i << 8);
    644 	}
    645 
    646 	if (setmode & AUMODE_RECORD) {
    647 
    648 		rec->factor = 1;
    649 		rec->sw_code = 0;
    650 		switch(rec->encoding) {
    651 		case AUDIO_ENCODING_ULAW:
    652 			rec->sw_code = ulinear8_to_mulaw;
    653 			break;
    654 		case AUDIO_ENCODING_SLINEAR_LE:
    655 			if (rec->precision == 8)
    656 				rec->sw_code = change_sign8;
    657 			break;
    658 		case AUDIO_ENCODING_ULINEAR_LE:
    659 			if (rec->precision == 16)
    660 				rec->sw_code = change_sign16_le;
    661 			break;
    662 		case AUDIO_ENCODING_ALAW:
    663 			rec->sw_code = ulinear8_to_alaw;
    664 			break;
    665 		case AUDIO_ENCODING_SLINEAR_BE:
    666 			if (play->precision == 16)
    667 				play->sw_code = swap_bytes;
    668 			else
    669 				play->sw_code = change_sign8;
    670 			break;
    671 		case AUDIO_ENCODING_ULINEAR_BE:
    672 			if (play->precision == 16)
    673 				play->sw_code = swap_bytes_change_sign16_le;
    674 			break;
    675 		default:
    676 			return EINVAL;
    677 		}
    678 		for (i = 0; i < 10 && rec->sample_rate > fms_rates[i].limit;
    679 		     i++)
    680 			;
    681 		rec->sample_rate = fms_rates[i].rate;
    682 		sc->sc_rec_reg =
    683 		    (rec->channels == 2 ? FM_REC_STEREO : 0) |
    684 		    (rec->precision * rec->factor == 16 ? FM_REC_16BIT : 0) |
    685 		    (i << 8);
    686 	}
    687 
    688 	return 0;
    689 }
    690 
    691 int
    692 fms_round_blocksize(addr, blk)
    693 	void *addr;
    694 	int blk;
    695 {
    696 	return blk & ~0xf;
    697 }
    698 
    699 int
    700 fms_halt_output(addr)
    701 	void *addr;
    702 {
    703 	struct fms_softc *sc = addr;
    704 	u_int16_t k1;
    705 
    706 	k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL);
    707 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL,
    708 			  (k1 & ~(FM_PLAY_STOPNOW | FM_PLAY_START)) |
    709 			  FM_PLAY_BUF1_LAST | FM_PLAY_BUF2_LAST);
    710 
    711 	return 0;
    712 }
    713 
    714 int
    715 fms_halt_input(addr)
    716 	void *addr;
    717 {
    718 	struct fms_softc *sc = addr;
    719 	u_int16_t k1;
    720 
    721 	k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL);
    722 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL,
    723 			  (k1 & ~(FM_REC_STOPNOW | FM_REC_START)) |
    724 			  FM_REC_BUF1_LAST | FM_REC_BUF2_LAST);
    725 
    726 	return 0;
    727 }
    728 
    729 int
    730 fms_getdev(addr, retp)
    731 	void *addr;
    732 	struct audio_device *retp;
    733 {
    734 	*retp = fms_device;
    735 	return 0;
    736 }
    737 
    738 int
    739 fms_set_port(addr, cp)
    740 	void *addr;
    741 	mixer_ctrl_t *cp;
    742 {
    743 	struct fms_softc *sc = addr;
    744 
    745 	return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp));
    746 }
    747 
    748 int
    749 fms_get_port(addr, cp)
    750 	void *addr;
    751 	mixer_ctrl_t *cp;
    752 {
    753 	struct fms_softc *sc = addr;
    754 
    755 	return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp));
    756 }
    757 
    758 void *
    759 fms_malloc(addr, direction, size, pool, flags)
    760 	void *addr;
    761 	int direction;
    762 	size_t size;
    763 	int pool, flags;
    764 {
    765 	struct fms_softc *sc = addr;
    766 	struct fms_dma *p;
    767 	int error;
    768 	int rseg;
    769 
    770 	p = malloc(sizeof(*p), pool, flags);
    771 	if (!p)
    772 		return 0;
    773 
    774 	p->size = size;
    775 	if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg,
    776 				      1, &rseg, BUS_DMA_NOWAIT)) != 0) {
    777 		printf("%s: unable to allocate dma, error = %d\n",
    778 		       sc->sc_dev.dv_xname, error);
    779 		goto fail_alloc;
    780 	}
    781 
    782 	if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr,
    783 				    BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) {
    784 		printf("%s: unable to map dma, error = %d\n",
    785 		       sc->sc_dev.dv_xname, error);
    786 		goto fail_map;
    787 	}
    788 
    789 	if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0,
    790 				       BUS_DMA_NOWAIT, &p->map)) != 0) {
    791 		printf("%s: unable to create dma map, error = %d\n",
    792 		       sc->sc_dev.dv_xname, error);
    793 		goto fail_create;
    794 	}
    795 
    796 	if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL,
    797 				     BUS_DMA_NOWAIT)) != 0) {
    798 		printf("%s: unable to load dma map, error = %d\n",
    799 		       sc->sc_dev.dv_xname, error);
    800 		goto fail_load;
    801 	}
    802 
    803 	p->next = sc->sc_dmas;
    804 	sc->sc_dmas = p;
    805 
    806 	return p->addr;
    807 
    808 
    809 fail_load:
    810 	bus_dmamap_destroy(sc->sc_dmat, p->map);
    811 fail_create:
    812 	bus_dmamem_unmap(sc->sc_dmat, p->addr, size);
    813 fail_map:
    814 	bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
    815 fail_alloc:
    816 	free(p, pool);
    817 	return 0;
    818 }
    819 
    820 void
    821 fms_free(addr, ptr, pool)
    822 	void *addr;
    823 	void *ptr;
    824 	int pool;
    825 {
    826 	struct fms_softc *sc = addr;
    827 	struct fms_dma **pp, *p;
    828 
    829 	for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next)
    830 		if (p->addr == ptr) {
    831 			bus_dmamap_unload(sc->sc_dmat, p->map);
    832 			bus_dmamap_destroy(sc->sc_dmat, p->map);
    833 			bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
    834 			bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
    835 
    836 			*pp = p->next;
    837 			free(p, pool);
    838 			return;
    839 		}
    840 
    841 	panic("fms_free: trying to free unallocated memory");
    842 }
    843 
    844 size_t
    845 fms_round_buffersize(addr, direction, size)
    846 	void *addr;
    847 	int direction;
    848 	size_t size;
    849 {
    850 	return size;
    851 }
    852 
    853 paddr_t
    854 fms_mappage(addr, mem, off, prot)
    855 	void *addr;
    856 	void *mem;
    857 	off_t off;
    858 	int prot;
    859 {
    860 	struct fms_softc *sc = addr;
    861 	struct fms_dma *p;
    862 
    863 	if (off < 0)
    864 		return -1;
    865 
    866 	for (p = sc->sc_dmas; p && p->addr != mem; p = p->next)
    867 		;
    868 	if (!p)
    869 		return -1;
    870 
    871 	return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot,
    872 			       BUS_DMA_WAITOK);
    873 }
    874 
    875 int
    876 fms_get_props(addr)
    877 	void *addr;
    878 {
    879 	return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
    880 	       AUDIO_PROP_FULLDUPLEX;
    881 }
    882 
    883 int
    884 fms_query_devinfo(addr, dip)
    885 	void *addr;
    886 	mixer_devinfo_t *dip;
    887 {
    888 	struct fms_softc *sc = addr;
    889 
    890 	return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip));
    891 }
    892 
    893 int
    894 fms_trigger_output(addr, start, end, blksize, intr, arg, param)
    895 	void *addr;
    896 	void *start, *end;
    897 	int blksize;
    898 	void (*intr) __P((void *));
    899 	void *arg;
    900 	struct audio_params *param;
    901 {
    902 	struct fms_softc *sc = addr;
    903 	struct fms_dma *p;
    904 
    905 	sc->sc_pintr = intr;
    906 	sc->sc_parg = arg;
    907 
    908 	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
    909 		;
    910 
    911 	if (!p)
    912 		panic("fms_trigger_output: request with bad start "
    913 		      "address (%p)\n", start);
    914 
    915 	sc->sc_play_start = p->map->dm_segs[0].ds_addr;
    916 	sc->sc_play_end = sc->sc_play_start + ((char *)end - (char *)start);
    917 	sc->sc_play_blksize = blksize;
    918 	sc->sc_play_nextblk = sc->sc_play_start + sc->sc_play_blksize;
    919 	sc->sc_play_flip = 0;
    920 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMALEN, blksize - 1);
    921 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMABUF1,
    922 			  sc->sc_play_start);
    923 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMABUF2,
    924 			  sc->sc_play_nextblk);
    925 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL,
    926 			  FM_PLAY_START | FM_PLAY_STOPNOW | sc->sc_play_reg);
    927 	return 0;
    928 }
    929 
    930 
    931 int
    932 fms_trigger_input(addr, start, end, blksize, intr, arg, param)
    933 	void *addr;
    934 	void *start, *end;
    935 	int blksize;
    936 	void (*intr) __P((void *));
    937 	void *arg;
    938 	struct audio_params *param;
    939 {
    940 	struct fms_softc *sc = addr;
    941 	struct fms_dma *p;
    942 
    943 	sc->sc_rintr = intr;
    944 	sc->sc_rarg = arg;
    945 
    946 	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
    947 		;
    948 
    949 	if (!p)
    950 		panic("fms_trigger_input: request with bad start "
    951 		      "address (%p)\n", start);
    952 
    953 	sc->sc_rec_start = p->map->dm_segs[0].ds_addr;
    954 	sc->sc_rec_end = sc->sc_rec_start + ((char *)end - (char *)start);
    955 	sc->sc_rec_blksize = blksize;
    956 	sc->sc_rec_nextblk = sc->sc_rec_start + sc->sc_rec_blksize;
    957 	sc->sc_rec_flip = 0;
    958 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_DMALEN, blksize - 1);
    959 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_REC_DMABUF1,
    960 			  sc->sc_rec_start);
    961 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_REC_DMABUF2,
    962 			  sc->sc_rec_nextblk);
    963 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL,
    964 			  FM_REC_START | FM_REC_STOPNOW | sc->sc_rec_reg);
    965 	return 0;
    966 }
    967 
    968 
    969