2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 1999 Cameron Grant <cg@freebsd.org>
5 * Copyright (c) 1997,1998 Luigi Rizzo
7 * Derived from files in the Voxware 3.5 distribution,
8 * Copyright by Hannu Savolainen 1994, under the same copyright
10 * All rights reserved.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 #ifdef HAVE_KERNEL_OPTION_HEADERS
38 #include <dev/sound/pcm/sound.h>
40 #include <dev/sound/isa/sb.h>
41 #include <dev/sound/chip.h>
43 #include <isa/isavar.h>
47 SND_DECLARE_FILE("$FreeBSD$");
49 #define ESS_BUFFSIZE (4096)
50 #define ABS(x) (((x) < 0)? -(x) : (x))
52 /* audio2 never generates irqs and sounds very noisy */
55 /* more accurate clocks and split audio1/audio2 rates */
56 #define ESS18XX_NEWSPEED
58 static u_int32_t ess_pfmt[] = {
59 SND_FORMAT(AFMT_U8, 1, 0),
60 SND_FORMAT(AFMT_U8, 2, 0),
61 SND_FORMAT(AFMT_S8, 1, 0),
62 SND_FORMAT(AFMT_S8, 2, 0),
63 SND_FORMAT(AFMT_S16_LE, 1, 0),
64 SND_FORMAT(AFMT_S16_LE, 2, 0),
65 SND_FORMAT(AFMT_U16_LE, 1, 0),
66 SND_FORMAT(AFMT_U16_LE, 2, 0),
70 static struct pcmchan_caps ess_playcaps = {6000, 48000, ess_pfmt, 0};
72 static u_int32_t ess_rfmt[] = {
73 SND_FORMAT(AFMT_U8, 1, 0),
74 SND_FORMAT(AFMT_U8, 2, 0),
75 SND_FORMAT(AFMT_S8, 1, 0),
76 SND_FORMAT(AFMT_S8, 2, 0),
77 SND_FORMAT(AFMT_S16_LE, 1, 0),
78 SND_FORMAT(AFMT_S16_LE, 2, 0),
79 SND_FORMAT(AFMT_U16_LE, 1, 0),
80 SND_FORMAT(AFMT_U16_LE, 2, 0),
84 static struct pcmchan_caps ess_reccaps = {6000, 48000, ess_rfmt, 0};
89 struct ess_info *parent;
90 struct pcm_channel *channel;
91 struct snd_dbuf *buffer;
92 int dir, hwch, stopping, run;
93 u_int32_t fmt, spd, blksz;
98 struct resource *io_base; /* I/O address for the board */
100 struct resource *drq1;
101 struct resource *drq2;
103 bus_dma_tag_t parent_dmat;
105 unsigned int bufsize;
107 unsigned int duplex:1, newspeed:1;
108 u_long bd_flags; /* board-specific flags */
109 struct ess_chinfo pch, rch;
113 static int ess_rd(struct ess_info *sc, int reg);
114 static void ess_wr(struct ess_info *sc, int reg, u_int8_t val);
115 static int ess_dspready(struct ess_info *sc);
116 static int ess_cmd(struct ess_info *sc, u_char val);
117 static int ess_cmd1(struct ess_info *sc, u_char cmd, int val);
118 static int ess_get_byte(struct ess_info *sc);
119 static void ess_setmixer(struct ess_info *sc, u_int port, u_int value);
120 static int ess_getmixer(struct ess_info *sc, u_int port);
121 static int ess_reset_dsp(struct ess_info *sc);
123 static int ess_write(struct ess_info *sc, u_char reg, int val);
124 static int ess_read(struct ess_info *sc, u_char reg);
126 static void ess_intr(void *arg);
127 static int ess_setupch(struct ess_info *sc, int ch, int dir, int spd, u_int32_t fmt, int len);
128 static int ess_start(struct ess_chinfo *ch);
129 static int ess_stop(struct ess_chinfo *ch);
133 * Common code for the midi and pcm functions
135 * ess_cmd write a single byte to the CMD port.
136 * ess_cmd1 write a CMD + 1 byte arg
137 * ess_cmd2 write a CMD + 2 byte arg
138 * ess_get_byte returns a single byte from the DSP data port
140 * ess_write is actually ess_cmd1
141 * ess_read access ext. regs via ess_cmd(0xc0, reg) followed by ess_get_byte
145 ess_lock(struct ess_info *sc) {
146 sbc_lock(device_get_softc(sc->parent_dev));
150 ess_unlock(struct ess_info *sc) {
151 sbc_unlock(device_get_softc(sc->parent_dev));
155 port_rd(struct resource *port, int off)
157 return bus_space_read_1(rman_get_bustag(port),
158 rman_get_bushandle(port),
163 port_wr(struct resource *port, int off, u_int8_t data)
165 bus_space_write_1(rman_get_bustag(port),
166 rman_get_bushandle(port),
171 ess_rd(struct ess_info *sc, int reg)
173 return port_rd(sc->io_base, reg);
177 ess_wr(struct ess_info *sc, int reg, u_int8_t val)
179 port_wr(sc->io_base, reg, val);
183 ess_dspready(struct ess_info *sc)
185 return ((ess_rd(sc, SBDSP_STATUS) & 0x80) == 0);
189 ess_dspwr(struct ess_info *sc, u_char val)
193 for (i = 0; i < 1000; i++) {
194 if (ess_dspready(sc)) {
195 ess_wr(sc, SBDSP_CMD, val);
198 if (i > 10) DELAY((i > 100)? 1000 : 10);
200 printf("ess_dspwr(0x%02x) timed out.\n", val);
205 ess_cmd(struct ess_info *sc, u_char val)
208 printf("ess_cmd: %x\n", val);
210 return ess_dspwr(sc, val);
214 ess_cmd1(struct ess_info *sc, u_char cmd, int val)
217 printf("ess_cmd1: %x, %x\n", cmd, val);
219 if (ess_dspwr(sc, cmd)) {
220 return ess_dspwr(sc, val & 0xff);
225 ess_setmixer(struct ess_info *sc, u_int port, u_int value)
227 DEB(printf("ess_setmixer: reg=%x, val=%x\n", port, value);)
228 ess_wr(sc, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
230 ess_wr(sc, SB_MIX_DATA, (u_char) (value & 0xff));
235 ess_getmixer(struct ess_info *sc, u_int port)
238 ess_wr(sc, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
240 val = ess_rd(sc, SB_MIX_DATA);
247 ess_get_byte(struct ess_info *sc)
251 for (i = 1000; i > 0; i--) {
252 if (ess_rd(sc, DSP_DATA_AVAIL) & 0x80)
253 return ess_rd(sc, DSP_READ);
261 ess_write(struct ess_info *sc, u_char reg, int val)
263 return ess_cmd1(sc, reg, val);
267 ess_read(struct ess_info *sc, u_char reg)
269 return (ess_cmd(sc, 0xc0) && ess_cmd(sc, reg))? ess_get_byte(sc) : -1;
273 ess_reset_dsp(struct ess_info *sc)
275 ess_wr(sc, SBDSP_RST, 3);
277 ess_wr(sc, SBDSP_RST, 0);
278 if (ess_get_byte(sc) != 0xAA) {
279 DEB(printf("ess_reset_dsp 0x%lx failed\n",
280 rman_get_start(sc->io_base)));
281 return ENXIO; /* Sorry */
288 ess_release_resources(struct ess_info *sc, device_t dev)
292 bus_teardown_intr(dev, sc->irq, sc->ih);
293 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
297 isa_dma_release(rman_get_start(sc->drq1));
298 bus_release_resource(dev, SYS_RES_DRQ, 0, sc->drq1);
302 isa_dma_release(rman_get_start(sc->drq2));
303 bus_release_resource(dev, SYS_RES_DRQ, 1, sc->drq2);
307 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->io_base);
310 if (sc->parent_dmat) {
311 bus_dma_tag_destroy(sc->parent_dmat);
318 ess_alloc_resources(struct ess_info *sc, device_t dev)
324 sc->io_base = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
328 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
332 sc->drq1 = bus_alloc_resource_any(dev, SYS_RES_DRQ,
336 sc->drq2 = bus_alloc_resource_any(dev, SYS_RES_DRQ,
339 if (sc->io_base && sc->drq1 && sc->irq) {
340 isa_dma_acquire(rman_get_start(sc->drq1));
341 isa_dmainit(rman_get_start(sc->drq1), sc->bufsize);
344 isa_dma_acquire(rman_get_start(sc->drq2));
345 isa_dmainit(rman_get_start(sc->drq2), sc->bufsize);
355 struct ess_info *sc = (struct ess_info *)arg;
360 if (ess_getmixer(sc, 0x7a) & 0x80)
362 if (ess_rd(sc, 0x0c) & 0x01)
365 pirq = (src & sc->pch.hwch)? 1 : 0;
366 rirq = (src & sc->rch.hwch)? 1 : 0;
371 chn_intr(sc->pch.channel);
374 if (sc->pch.stopping) {
376 sndbuf_dma(sc->pch.buffer, PCMTRIG_STOP);
377 sc->pch.stopping = 0;
378 if (sc->pch.hwch == 1)
379 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x01);
381 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) & ~0x03);
388 chn_intr(sc->rch.channel);
391 if (sc->rch.stopping) {
393 sndbuf_dma(sc->rch.buffer, PCMTRIG_STOP);
394 sc->rch.stopping = 0;
395 /* XXX: will this stop audio2? */
396 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x01);
401 ess_setmixer(sc, 0x7a, ess_getmixer(sc, 0x7a) & ~0x80);
403 ess_rd(sc, DSP_DATA_AVAIL);
407 /* utility functions for ESS */
409 ess_calcspeed8(int *spd)
415 t = (795500 + speed / 2) / speed;
416 speed = (795500 + t / 2) / t;
417 t = (256 - t) | 0x80;
419 t = (397700 + speed / 2) / speed;
420 speed = (397700 + t / 2) / t;
424 return t & 0x000000ff;
428 ess_calcspeed9(int *spd)
430 int speed, s0, s1, use0;
433 /* rate = source / (256 - divisor) */
434 /* divisor = 256 - (source / rate) */
436 t0 = 128 - (793800 / speed);
437 s0 = 793800 / (128 - t0);
439 t1 = 128 - (768000 / speed);
440 s1 = 768000 / (128 - t1);
443 use0 = (ABS(speed - s0) < ABS(speed - s1))? 1 : 0;
445 *spd = use0? s0 : s1;
446 return use0? t0 : t1;
450 ess_calcfilter(int spd)
454 /* cutoff = 7160000 / (256 - divisor) */
455 /* divisor = 256 - (7160000 / cutoff) */
456 cutoff = (spd * 9 * 82) / 20;
457 return (256 - (7160000 / cutoff));
461 ess_setupch(struct ess_info *sc, int ch, int dir, int spd, u_int32_t fmt, int len)
463 int play = (dir == PCMDIR_PLAY)? 1 : 0;
464 int b16 = (fmt & AFMT_16BIT)? 1 : 0;
465 int stereo = (AFMT_CHANNEL(fmt) > 1)? 1 : 0;
466 int unsign = (fmt == AFMT_U8 || fmt == AFMT_U16_LE)? 1 : 0;
467 u_int8_t spdval, fmtval;
469 spdval = (sc->newspeed)? ess_calcspeed9(&spd) : ess_calcspeed8(&spd);
473 KASSERT((dir == PCMDIR_PLAY) || (dir == PCMDIR_REC), ("ess_setupch: dir1 bad"));
474 /* transfer length low */
475 ess_write(sc, 0xa4, len & 0x00ff);
476 /* transfer length high */
477 ess_write(sc, 0xa5, (len & 0xff00) >> 8);
478 /* autoinit, dma dir */
479 ess_write(sc, 0xb8, 0x04 | (play? 0x00 : 0x0a));
481 ess_write(sc, 0xa8, (ess_read(sc, 0xa8) & ~0x03) | (stereo? 0x01 : 0x02));
482 /* demand mode, 4 bytes/xfer */
483 ess_write(sc, 0xb9, 0x02);
485 ess_write(sc, 0xa1, spdval);
487 ess_write(sc, 0xa2, ess_calcfilter(spd));
490 ess_write(sc, 0xb6, unsign? 0x80 : 0x00);
491 /* mono, b16: signed, load signal */
492 ess_write(sc, 0xb7, 0x51 | (unsign? 0x00 : 0x20));
494 ess_write(sc, 0xb7, 0x90 | (unsign? 0x00 : 0x20) |
496 (stereo? 0x08 : 0x40));
498 ess_write(sc, 0xb1, (ess_read(sc, 0xb1) & 0x0f) | 0x50);
500 ess_write(sc, 0xb2, (ess_read(sc, 0xb2) & 0x0f) | 0x50);
501 } else if (ch == 2) {
502 KASSERT(dir == PCMDIR_PLAY, ("ess_setupch: dir2 bad"));
503 /* transfer length low */
504 ess_setmixer(sc, 0x74, len & 0x00ff);
505 /* transfer length high */
506 ess_setmixer(sc, 0x76, (len & 0xff00) >> 8);
507 /* autoinit, 4 bytes/req */
508 ess_setmixer(sc, 0x78, 0x90);
509 fmtval = b16 | (stereo << 1) | (unsign << 2);
510 /* enable irq, set format */
511 ess_setmixer(sc, 0x7a, 0x40 | fmtval);
514 ess_setmixer(sc, 0x70, spdval);
516 ess_setmixer(sc, 0x72, ess_calcfilter(spd));
523 ess_start(struct ess_chinfo *ch)
525 struct ess_info *sc = ch->parent;
526 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0;
529 ess_setupch(sc, ch->hwch, ch->dir, ch->spd, ch->fmt, ch->blksz);
532 ess_write(sc, 0xb8, ess_read(sc, 0xb8) | 0x01);
534 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) | 0x03);
536 ess_cmd(sc, DSP_CMD_SPKON);
542 ess_stop(struct ess_chinfo *ch)
544 struct ess_info *sc = ch->parent;
545 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0;
550 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x04);
552 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) & ~0x10);
554 ess_cmd(sc, DSP_CMD_SPKOFF);
559 /* -------------------------------------------------------------------- */
560 /* channel interface for ESS18xx */
562 esschan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
564 struct ess_info *sc = devinfo;
565 struct ess_chinfo *ch = (dir == PCMDIR_PLAY)? &sc->pch : &sc->rch;
570 if (sndbuf_alloc(ch->buffer, sc->parent_dmat, 0, sc->bufsize) != 0)
574 if ((dir == PCMDIR_PLAY) && (sc->duplex))
576 sndbuf_dmasetup(ch->buffer, (ch->hwch == 1)? sc->drq1 : sc->drq2);
581 esschan_setformat(kobj_t obj, void *data, u_int32_t format)
583 struct ess_chinfo *ch = data;
590 esschan_setspeed(kobj_t obj, void *data, u_int32_t speed)
592 struct ess_chinfo *ch = data;
593 struct ess_info *sc = ch->parent;
597 ess_calcspeed9(&ch->spd);
599 ess_calcspeed8(&ch->spd);
604 esschan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
606 struct ess_chinfo *ch = data;
608 ch->blksz = blocksize;
613 esschan_trigger(kobj_t obj, void *data, int go)
615 struct ess_chinfo *ch = data;
617 if (!PCMTRIG_COMMON(go))
623 sndbuf_dma(ch->buffer, go);
637 esschan_getptr(kobj_t obj, void *data)
639 struct ess_chinfo *ch = data;
641 return sndbuf_dmaptr(ch->buffer);
644 static struct pcmchan_caps *
645 esschan_getcaps(kobj_t obj, void *data)
647 struct ess_chinfo *ch = data;
649 return (ch->dir == PCMDIR_PLAY)? &ess_playcaps : &ess_reccaps;
652 static kobj_method_t esschan_methods[] = {
653 KOBJMETHOD(channel_init, esschan_init),
654 KOBJMETHOD(channel_setformat, esschan_setformat),
655 KOBJMETHOD(channel_setspeed, esschan_setspeed),
656 KOBJMETHOD(channel_setblocksize, esschan_setblocksize),
657 KOBJMETHOD(channel_trigger, esschan_trigger),
658 KOBJMETHOD(channel_getptr, esschan_getptr),
659 KOBJMETHOD(channel_getcaps, esschan_getcaps),
662 CHANNEL_DECLARE(esschan);
664 /************************************************************/
667 essmix_init(struct snd_mixer *m)
669 struct ess_info *sc = mix_getdevinfo(m);
671 mix_setrecdevs(m, SOUND_MASK_CD | SOUND_MASK_MIC | SOUND_MASK_LINE |
674 mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_LINE |
675 SOUND_MASK_MIC | SOUND_MASK_CD | SOUND_MASK_VOLUME |
676 SOUND_MASK_LINE1 | SOUND_MASK_SPEAKER);
678 ess_setmixer(sc, 0, 0); /* reset */
684 essmix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
686 struct ess_info *sc = mix_getdevinfo(m);
687 int preg = 0, rreg = 0, l, r;
689 l = (left * 15) / 100;
690 r = (right * 15) / 100;
692 case SOUND_MIXER_SYNTH:
697 case SOUND_MIXER_PCM:
702 case SOUND_MIXER_LINE:
707 case SOUND_MIXER_MIC:
712 case SOUND_MIXER_LINE1:
722 case SOUND_MIXER_SPEAKER:
726 case SOUND_MIXER_VOLUME:
727 l = left? (left * 63) / 100 : 64;
728 r = right? (right * 63) / 100 : 64;
729 ess_setmixer(sc, 0x60, l);
730 ess_setmixer(sc, 0x62, r);
731 left = (l == 64)? 0 : (l * 100) / 63;
732 right = (r == 64)? 0 : (r * 100) / 63;
733 return left | (right << 8);
737 ess_setmixer(sc, preg, (l << 4) | r);
739 ess_setmixer(sc, rreg, (l << 4) | r);
741 left = (l * 100) / 15;
742 right = (r * 100) / 15;
744 return left | (right << 8);
748 essmix_setrecsrc(struct snd_mixer *m, u_int32_t src)
750 struct ess_info *sc = mix_getdevinfo(m);
758 case SOUND_MASK_LINE:
762 case SOUND_MASK_IMIX:
769 src = SOUND_MASK_MIC;
773 ess_setmixer(sc, 0x1c, recdev);
778 static kobj_method_t essmixer_methods[] = {
779 KOBJMETHOD(mixer_init, essmix_init),
780 KOBJMETHOD(mixer_set, essmix_set),
781 KOBJMETHOD(mixer_setrecsrc, essmix_setrecsrc),
784 MIXER_DECLARE(essmixer);
786 /************************************************************/
789 ess_probe(device_t dev)
791 uintptr_t func, ver, r, f;
793 /* The parent device has already been probed. */
794 r = BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func);
798 r = BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver);
799 f = (ver & 0xffff0000) >> 16;
803 device_set_desc(dev, "ESS 18xx DSP");
809 ess_attach(device_t dev)
812 char status[SND_STATUSLEN], buf[64];
815 sc = malloc(sizeof(*sc), M_DEVBUF, M_WAITOK | M_ZERO);
816 sc->parent_dev = device_get_parent(dev);
817 sc->bufsize = pcm_getbuffersize(dev, 4096, ESS_BUFFSIZE, 65536);
818 if (ess_alloc_resources(sc, dev))
820 if (ess_reset_dsp(sc))
822 if (mixer_init(dev, &essmixer_class, sc))
827 ver = (ess_getmixer(sc, 0x40) << 8) | ess_rd(sc, SB_MIX_DATA);
828 snprintf(buf, sizeof buf, "ESS %x DSP", ver);
829 device_set_desc_copy(dev, buf);
831 device_printf(dev, "ESS%x detected", ver);
836 #ifdef ESS18XX_DUPLEX
837 sc->duplex = sc->drq2? 1 : 0;
839 #ifdef ESS18XX_NEWSPEED
845 printf("%s%s\n", sc->duplex? ", duplex" : "",
846 sc->newspeed? ", newspeed" : "");
849 ess_setmixer(sc, 0x71, 0x22);
851 snd_setup_intr(dev, sc->irq, 0, ess_intr, sc, &sc->ih);
853 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
855 if (bus_dma_tag_create(/*parent*/bus_get_dma_tag(dev), /*alignment*/2,
857 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
858 /*highaddr*/BUS_SPACE_MAXADDR,
859 /*filter*/NULL, /*filterarg*/NULL,
860 /*maxsize*/sc->bufsize, /*nsegments*/1,
862 /*flags*/0, /*lockfunc*/busdma_lock_mutex,
863 /*lockarg*/&Giant, &sc->parent_dmat) != 0) {
864 device_printf(dev, "unable to create dma tag\n");
869 snprintf(buf, SND_STATUSLEN, ":%jd", rman_get_start(sc->drq2));
873 snprintf(status, SND_STATUSLEN, "at io 0x%jx irq %jd drq %jd%s bufsz %u %s",
874 rman_get_start(sc->io_base), rman_get_start(sc->irq),
875 rman_get_start(sc->drq1), buf, sc->bufsize,
876 PCM_KLDSTRING(snd_ess));
878 if (pcm_register(dev, sc, 1, 1))
880 pcm_addchan(dev, PCMDIR_REC, &esschan_class, sc);
881 pcm_addchan(dev, PCMDIR_PLAY, &esschan_class, sc);
882 pcm_setstatus(dev, status);
887 ess_release_resources(sc, dev);
892 ess_detach(device_t dev)
897 r = pcm_unregister(dev);
901 sc = pcm_getdevinfo(dev);
902 ess_release_resources(sc, dev);
907 ess_resume(device_t dev)
911 sc = pcm_getdevinfo(dev);
913 if (ess_reset_dsp(sc)) {
914 device_printf(dev, "unable to reset DSP at resume\n");
918 if (mixer_reinit(dev)) {
919 device_printf(dev, "unable to reinitialize mixer at resume\n");
926 static device_method_t ess_methods[] = {
927 /* Device interface */
928 DEVMETHOD(device_probe, ess_probe),
929 DEVMETHOD(device_attach, ess_attach),
930 DEVMETHOD(device_detach, ess_detach),
931 DEVMETHOD(device_resume, ess_resume),
935 static driver_t ess_driver = {
941 DRIVER_MODULE(snd_ess, sbc, ess_driver, pcm_devclass, 0, 0);
942 MODULE_DEPEND(snd_ess, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
943 MODULE_DEPEND(snd_ess, snd_sbc, 1, 1, 1);
944 MODULE_VERSION(snd_ess, 1);
946 /************************************************************/
948 static devclass_t esscontrol_devclass;
950 static struct isa_pnp_id essc_ids[] = {
951 {0x06007316, "ESS Control"},
956 esscontrol_probe(device_t dev)
960 i = ISA_PNP_PROBE(device_get_parent(dev), dev, essc_ids);
967 esscontrol_attach(device_t dev)
974 io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
976 for (i = 0; i < 0x100; i++) {
980 printf("%3.3x: ", i);
982 if ((i & 0x0f) == 0x0f)
985 bus_release_resource(dev, SYS_RES_IOPORT, 0, io);
993 esscontrol_detach(device_t dev)
998 static device_method_t esscontrol_methods[] = {
999 /* Device interface */
1000 DEVMETHOD(device_probe, esscontrol_probe),
1001 DEVMETHOD(device_attach, esscontrol_attach),
1002 DEVMETHOD(device_detach, esscontrol_detach),
1006 static driver_t esscontrol_driver = {
1012 DRIVER_MODULE(esscontrol, isa, esscontrol_driver, esscontrol_devclass, 0, 0);
1013 DRIVER_MODULE(esscontrol, acpi, esscontrol_driver, esscontrol_devclass, 0, 0);
1014 ISA_PNP_INFO(essc_ids);