2 * Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk>
3 * Copyright Luigi Rizzo, 1997,1998
4 * Copyright by Hannu Savolainen 1994, 1995
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * $FreeBSD: src/sys/dev/sound/isa/ad1816.c,v 1.7.2.9 2002/12/24 21:17:41 semenu Exp $
29 * $DragonFly: src/sys/dev/sound/isa/ad1816.c,v 1.2 2003/06/17 04:28:30 dillon Exp $
32 #include <dev/sound/pcm/sound.h>
33 #include <dev/sound/isa/ad1816.h>
37 SND_DECLARE_FILE("$DragonFly: src/sys/dev/sound/isa/ad1816.c,v 1.2 2003/06/17 04:28:30 dillon Exp $");
41 struct ad1816_chinfo {
42 struct ad1816_info *parent;
43 struct pcm_channel *channel;
44 struct snd_dbuf *buffer;
49 struct resource *io_base; /* primary I/O address for the board */
53 struct resource *drq1; /* play */
55 struct resource *drq2; /* rec */
58 bus_dma_tag_t parent_dmat;
62 struct ad1816_chinfo pch, rch;
65 static u_int32_t ad1816_fmt[] = {
67 AFMT_STEREO | AFMT_U8,
69 AFMT_STEREO | AFMT_S16_LE,
71 AFMT_STEREO | AFMT_MU_LAW,
73 AFMT_STEREO | AFMT_A_LAW,
77 static struct pcmchan_caps ad1816_caps = {4000, 55200, ad1816_fmt, 0};
79 #define AD1816_MUTE 31 /* value for mute */
82 ad1816_lock(struct ad1816_info *ad1816)
84 snd_mtxlock(ad1816->lock);
88 ad1816_unlock(struct ad1816_info *ad1816)
90 snd_mtxunlock(ad1816->lock);
94 port_rd(struct resource *port, int off)
97 return bus_space_read_1(rman_get_bustag(port),
98 rman_get_bushandle(port),
105 port_wr(struct resource *port, int off, u_int8_t data)
108 bus_space_write_1(rman_get_bustag(port),
109 rman_get_bushandle(port),
114 io_rd(struct ad1816_info *ad1816, int reg)
116 return port_rd(ad1816->io_base, reg);
120 io_wr(struct ad1816_info *ad1816, int reg, u_int8_t data)
122 port_wr(ad1816->io_base, reg, data);
126 ad1816_intr(void *arg)
128 struct ad1816_info *ad1816 = (struct ad1816_info *)arg;
129 unsigned char c, served = 0;
132 /* get interupt status */
133 c = io_rd(ad1816, AD1816_INT);
135 /* check for stray interupts */
136 if (c & ~(AD1816_INTRCI | AD1816_INTRPI)) {
137 printf("pcm: stray int (%x)\n", c);
138 c &= AD1816_INTRCI | AD1816_INTRPI;
140 /* check for capture interupt */
141 if (sndbuf_runsz(ad1816->rch.buffer) && (c & AD1816_INTRCI)) {
142 chn_intr(ad1816->rch.channel);
143 served |= AD1816_INTRCI; /* cp served */
145 /* check for playback interupt */
146 if (sndbuf_runsz(ad1816->pch.buffer) && (c & AD1816_INTRPI)) {
147 chn_intr(ad1816->pch.channel);
148 served |= AD1816_INTRPI; /* pb served */
151 /* this probably means this is not a (working) ad1816 chip, */
152 /* or an error in dma handling */
153 printf("pcm: int without reason (%x)\n", c);
156 io_wr(ad1816, AD1816_INT, c);
157 c = io_rd(ad1816, AD1816_INT);
158 if (c != 0) printf("pcm: int clear failed (%x)\n", c);
159 ad1816_unlock(ad1816);
163 ad1816_wait_init(struct ad1816_info *ad1816, int x)
165 int n = 0; /* to shut up the compiler... */
168 if ((n = (io_rd(ad1816, AD1816_ALE) & AD1816_BUSY)) == 0) DELAY(10);
170 printf("ad1816_wait_init failed 0x%02x.\n", n);
174 static unsigned short
175 ad1816_read(struct ad1816_info *ad1816, unsigned int reg)
179 if (ad1816_wait_init(ad1816, 100) == -1) return 0;
180 io_wr(ad1816, AD1816_ALE, 0);
181 io_wr(ad1816, AD1816_ALE, (reg & AD1816_ALEMASK));
182 if (ad1816_wait_init(ad1816, 100) == -1) return 0;
183 x = (io_rd(ad1816, AD1816_HIGH) << 8) | io_rd(ad1816, AD1816_LOW);
188 ad1816_write(struct ad1816_info *ad1816, unsigned int reg, unsigned short data)
190 if (ad1816_wait_init(ad1816, 100) == -1) return;
191 io_wr(ad1816, AD1816_ALE, (reg & AD1816_ALEMASK));
192 io_wr(ad1816, AD1816_LOW, (data & 0x000000ff));
193 io_wr(ad1816, AD1816_HIGH, (data & 0x0000ff00) >> 8);
196 /* -------------------------------------------------------------------- */
199 ad1816mix_init(struct snd_mixer *m)
201 mix_setdevs(m, AD1816_MIXER_DEVICES);
202 mix_setrecdevs(m, AD1816_REC_DEVICES);
207 ad1816mix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
209 struct ad1816_info *ad1816 = mix_getdevinfo(m);
213 left = AD1816_MUTE - (AD1816_MUTE * left) / 100;
214 right = AD1816_MUTE - (AD1816_MUTE * right) / 100;
216 reg = (left << 8) | right;
218 /* do channel selective muting if volume is zero */
219 if (left == AD1816_MUTE) reg |= 0x8000;
220 if (right == AD1816_MUTE) reg |= 0x0080;
224 case SOUND_MIXER_VOLUME: /* Register 14 master volume */
225 ad1816_write(ad1816, 14, reg);
228 case SOUND_MIXER_CD: /* Register 15 cd */
229 case SOUND_MIXER_LINE1:
230 ad1816_write(ad1816, 15, reg);
233 case SOUND_MIXER_SYNTH: /* Register 16 synth */
234 ad1816_write(ad1816, 16, reg);
237 case SOUND_MIXER_PCM: /* Register 4 pcm */
238 ad1816_write(ad1816, 4, reg);
241 case SOUND_MIXER_LINE:
242 case SOUND_MIXER_LINE3: /* Register 18 line in */
243 ad1816_write(ad1816, 18, reg);
246 case SOUND_MIXER_MIC: /* Register 19 mic volume */
247 ad1816_write(ad1816, 19, reg & ~0xff); /* mic is mono */
250 case SOUND_MIXER_IGAIN:
251 /* and now to something completely different ... */
252 ad1816_write(ad1816, 20, ((ad1816_read(ad1816, 20) & ~0x0f0f)
253 | (((AD1816_MUTE - left) / 2) << 8) /* four bits of adc gain */
254 | ((AD1816_MUTE - right) / 2)));
258 printf("ad1816_mixer_set(): unknown device.\n");
261 ad1816_unlock(ad1816);
263 left = ((AD1816_MUTE - left) * 100) / AD1816_MUTE;
264 right = ((AD1816_MUTE - right) * 100) / AD1816_MUTE;
266 return left | (right << 8);
270 ad1816mix_setrecsrc(struct snd_mixer *m, u_int32_t src)
272 struct ad1816_info *ad1816 = mix_getdevinfo(m);
276 case SOUND_MASK_LINE:
277 case SOUND_MASK_LINE3:
282 case SOUND_MASK_LINE1:
289 src = SOUND_MASK_MIC;
294 ad1816_write(ad1816, 20, (ad1816_read(ad1816, 20) & ~0x7070) | dev);
295 ad1816_unlock(ad1816);
299 static kobj_method_t ad1816mixer_methods[] = {
300 KOBJMETHOD(mixer_init, ad1816mix_init),
301 KOBJMETHOD(mixer_set, ad1816mix_set),
302 KOBJMETHOD(mixer_setrecsrc, ad1816mix_setrecsrc),
305 MIXER_DECLARE(ad1816mixer);
307 /* -------------------------------------------------------------------- */
308 /* channel interface */
310 ad1816chan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
312 struct ad1816_info *ad1816 = devinfo;
313 struct ad1816_chinfo *ch = (dir == PCMDIR_PLAY)? &ad1816->pch : &ad1816->rch;
318 if (sndbuf_alloc(ch->buffer, ad1816->parent_dmat, ad1816->bufsize) == -1) return NULL;
323 ad1816chan_setdir(kobj_t obj, void *data, int dir)
325 struct ad1816_chinfo *ch = data;
326 struct ad1816_info *ad1816 = ch->parent;
328 sndbuf_isadmasetup(ch->buffer, (dir == PCMDIR_PLAY)? ad1816->drq1 : ad1816->drq2);
334 ad1816chan_setformat(kobj_t obj, void *data, u_int32_t format)
336 struct ad1816_chinfo *ch = data;
337 struct ad1816_info *ad1816 = ch->parent;
338 int fmt = AD1816_U8, reg;
341 if (ch->dir == PCMDIR_PLAY) {
343 ad1816_write(ad1816, 8, 0x0000); /* reset base and current counter */
344 ad1816_write(ad1816, 9, 0x0000); /* for playback and capture */
347 ad1816_write(ad1816, 10, 0x0000);
348 ad1816_write(ad1816, 11, 0x0000);
350 switch (format & ~AFMT_STEREO) {
371 if (format & AFMT_STEREO) fmt |= AD1816_STEREO;
372 io_wr(ad1816, reg, fmt);
373 ad1816_unlock(ad1816);
379 ad1816chan_setspeed(kobj_t obj, void *data, u_int32_t speed)
381 struct ad1816_chinfo *ch = data;
382 struct ad1816_info *ad1816 = ch->parent;
384 RANGE(speed, 4000, 55200);
386 ad1816_write(ad1816, (ch->dir == PCMDIR_PLAY)? 2 : 3, speed);
387 ad1816_unlock(ad1816);
392 ad1816chan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
394 struct ad1816_chinfo *ch = data;
396 ch->blksz = blocksize;
401 ad1816chan_trigger(kobj_t obj, void *data, int go)
403 struct ad1816_chinfo *ch = data;
404 struct ad1816_info *ad1816 = ch->parent;
407 if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD)
410 sndbuf_isadma(ch->buffer, go);
411 wr = (ch->dir == PCMDIR_PLAY);
412 reg = wr? AD1816_PLAY : AD1816_CAPT;
416 /* start only if not already running */
417 if (!(io_rd(ad1816, reg) & AD1816_ENABLE)) {
418 int cnt = ((ch->blksz) >> 2) - 1;
419 ad1816_write(ad1816, wr? 8 : 10, cnt); /* count */
420 ad1816_write(ad1816, wr? 9 : 11, 0); /* reset cur cnt */
421 ad1816_write(ad1816, 1, ad1816_read(ad1816, 1) |
422 (wr? 0x8000 : 0x4000)); /* enable int */
423 /* enable playback */
424 io_wr(ad1816, reg, io_rd(ad1816, reg) | AD1816_ENABLE);
425 if (!(io_rd(ad1816, reg) & AD1816_ENABLE))
426 printf("ad1816: failed to start %s DMA!\n",
432 case PCMTRIG_ABORT: /* XXX check this... */
433 /* we don't test here if it is running... */
435 ad1816_write(ad1816, 1, ad1816_read(ad1816, 1) &
436 ~(wr? 0x8000 : 0x4000));
438 io_wr(ad1816, reg, io_rd(ad1816, reg) & ~AD1816_ENABLE);
439 /* disable playback */
440 if (io_rd(ad1816, reg) & AD1816_ENABLE)
441 printf("ad1816: failed to stop %s DMA!\n",
443 ad1816_write(ad1816, wr? 8 : 10, 0); /* reset base cnt */
444 ad1816_write(ad1816, wr? 9 : 11, 0); /* reset cur cnt */
448 ad1816_unlock(ad1816);
453 ad1816chan_getptr(kobj_t obj, void *data)
455 struct ad1816_chinfo *ch = data;
456 return sndbuf_isadmaptr(ch->buffer);
459 static struct pcmchan_caps *
460 ad1816chan_getcaps(kobj_t obj, void *data)
465 static kobj_method_t ad1816chan_methods[] = {
466 KOBJMETHOD(channel_init, ad1816chan_init),
467 KOBJMETHOD(channel_setdir, ad1816chan_setdir),
468 KOBJMETHOD(channel_setformat, ad1816chan_setformat),
469 KOBJMETHOD(channel_setspeed, ad1816chan_setspeed),
470 KOBJMETHOD(channel_setblocksize, ad1816chan_setblocksize),
471 KOBJMETHOD(channel_trigger, ad1816chan_trigger),
472 KOBJMETHOD(channel_getptr, ad1816chan_getptr),
473 KOBJMETHOD(channel_getcaps, ad1816chan_getcaps),
476 CHANNEL_DECLARE(ad1816chan);
478 /* -------------------------------------------------------------------- */
481 ad1816_release_resources(struct ad1816_info *ad1816, device_t dev)
485 bus_teardown_intr(dev, ad1816->irq, ad1816->ih);
486 bus_release_resource(dev, SYS_RES_IRQ, ad1816->irq_rid, ad1816->irq);
490 isa_dma_release(rman_get_start(ad1816->drq1));
491 bus_release_resource(dev, SYS_RES_DRQ, ad1816->drq1_rid, ad1816->drq1);
495 isa_dma_release(rman_get_start(ad1816->drq2));
496 bus_release_resource(dev, SYS_RES_DRQ, ad1816->drq2_rid, ad1816->drq2);
499 if (ad1816->io_base) {
500 bus_release_resource(dev, SYS_RES_IOPORT, ad1816->io_rid, ad1816->io_base);
503 if (ad1816->parent_dmat) {
504 bus_dma_tag_destroy(ad1816->parent_dmat);
505 ad1816->parent_dmat = 0;
508 snd_mtxfree(ad1816->lock);
510 free(ad1816, M_DEVBUF);
514 ad1816_alloc_resources(struct ad1816_info *ad1816, device_t dev)
516 int ok = 1, pdma, rdma;
518 if (!ad1816->io_base)
519 ad1816->io_base = bus_alloc_resource(dev, SYS_RES_IOPORT, &ad1816->io_rid,
520 0, ~0, 1, RF_ACTIVE);
522 ad1816->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &ad1816->irq_rid,
523 0, ~0, 1, RF_ACTIVE);
525 ad1816->drq1 = bus_alloc_resource(dev, SYS_RES_DRQ, &ad1816->drq1_rid,
526 0, ~0, 1, RF_ACTIVE);
528 ad1816->drq2 = bus_alloc_resource(dev, SYS_RES_DRQ, &ad1816->drq2_rid,
529 0, ~0, 1, RF_ACTIVE);
531 if (!ad1816->io_base || !ad1816->drq1 || !ad1816->irq) ok = 0;
534 pdma = rman_get_start(ad1816->drq1);
535 isa_dma_acquire(pdma);
536 isa_dmainit(pdma, ad1816->bufsize);
538 rdma = rman_get_start(ad1816->drq2);
539 isa_dma_acquire(rdma);
540 isa_dmainit(rdma, ad1816->bufsize);
544 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
551 ad1816_init(struct ad1816_info *ad1816, device_t dev)
553 ad1816_write(ad1816, 1, 0x2); /* disable interrupts */
554 ad1816_write(ad1816, 32, 0x90F0); /* SoundSys Mode, split fmt */
556 ad1816_write(ad1816, 5, 0x8080); /* FM volume mute */
557 ad1816_write(ad1816, 6, 0x8080); /* I2S1 volume mute */
558 ad1816_write(ad1816, 7, 0x8080); /* I2S0 volume mute */
559 ad1816_write(ad1816, 17, 0x8888); /* VID Volume mute */
560 ad1816_write(ad1816, 20, 0x5050); /* recsrc mic, agc off */
561 /* adc gain is set to 0 */
567 ad1816_probe(device_t dev)
570 u_int32_t logical_id = isa_get_logicalid(dev);
572 switch (logical_id) {
573 case 0x80719304: /* ADS7180 */
579 device_set_desc(dev, s);
586 ad1816_attach(device_t dev)
588 struct ad1816_info *ad1816;
589 char status[SND_STATUSLEN], status2[SND_STATUSLEN];
591 ad1816 = (struct ad1816_info *)malloc(sizeof *ad1816, M_DEVBUF, M_NOWAIT | M_ZERO);
592 if (!ad1816) return ENXIO;
594 ad1816->lock = snd_mtxcreate(device_get_nameunit(dev), "sound softc");
597 ad1816->drq1_rid = 0;
598 ad1816->drq2_rid = 1;
599 ad1816->bufsize = pcm_getbuffersize(dev, 4096, DSP_BUFFSIZE, 65536);
601 if (!ad1816_alloc_resources(ad1816, dev)) goto no;
602 ad1816_init(ad1816, dev);
603 if (mixer_init(dev, &ad1816mixer_class, ad1816)) goto no;
605 snd_setup_intr(dev, ad1816->irq, INTR_MPSAFE, ad1816_intr, ad1816, &ad1816->ih);
606 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
607 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
608 /*highaddr*/BUS_SPACE_MAXADDR,
609 /*filter*/NULL, /*filterarg*/NULL,
610 /*maxsize*/ad1816->bufsize, /*nsegments*/1,
612 /*flags*/0, &ad1816->parent_dmat) != 0) {
613 device_printf(dev, "unable to create dma tag\n");
617 snprintf(status2, SND_STATUSLEN, ":%ld", rman_get_start(ad1816->drq2));
621 snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld%s bufsz %u",
622 rman_get_start(ad1816->io_base),
623 rman_get_start(ad1816->irq),
624 rman_get_start(ad1816->drq1),
628 if (pcm_register(dev, ad1816, 1, 1)) goto no;
629 pcm_addchan(dev, PCMDIR_REC, &ad1816chan_class, ad1816);
630 pcm_addchan(dev, PCMDIR_PLAY, &ad1816chan_class, ad1816);
631 pcm_setstatus(dev, status);
635 ad1816_release_resources(ad1816, dev);
642 ad1816_detach(device_t dev)
645 struct ad1816_info *ad1816;
647 r = pcm_unregister(dev);
651 ad1816 = pcm_getdevinfo(dev);
652 ad1816_release_resources(ad1816, dev);
656 static device_method_t ad1816_methods[] = {
657 /* Device interface */
658 DEVMETHOD(device_probe, ad1816_probe),
659 DEVMETHOD(device_attach, ad1816_attach),
660 DEVMETHOD(device_detach, ad1816_detach),
665 static driver_t ad1816_driver = {
671 DRIVER_MODULE(snd_ad1816, isa, ad1816_driver, pcm_devclass, 0, 0);
672 MODULE_DEPEND(snd_ad1816, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER);
673 MODULE_VERSION(snd_ad1816, 1);