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) {
147 sbc_lock(device_get_softc(sc->parent_dev));
151 ess_unlock(struct ess_info *sc) {
153 sbc_unlock(device_get_softc(sc->parent_dev));
157 port_rd(struct resource *port, int off)
159 return bus_space_read_1(rman_get_bustag(port),
160 rman_get_bushandle(port),
165 port_wr(struct resource *port, int off, u_int8_t data)
167 bus_space_write_1(rman_get_bustag(port),
168 rman_get_bushandle(port),
173 ess_rd(struct ess_info *sc, int reg)
175 return port_rd(sc->io_base, reg);
179 ess_wr(struct ess_info *sc, int reg, u_int8_t val)
181 port_wr(sc->io_base, reg, val);
185 ess_dspready(struct ess_info *sc)
187 return ((ess_rd(sc, SBDSP_STATUS) & 0x80) == 0);
191 ess_dspwr(struct ess_info *sc, u_char val)
195 for (i = 0; i < 1000; i++) {
196 if (ess_dspready(sc)) {
197 ess_wr(sc, SBDSP_CMD, val);
200 if (i > 10) DELAY((i > 100)? 1000 : 10);
202 printf("ess_dspwr(0x%02x) timed out.\n", val);
207 ess_cmd(struct ess_info *sc, u_char val)
210 printf("ess_cmd: %x\n", val);
212 return ess_dspwr(sc, val);
216 ess_cmd1(struct ess_info *sc, u_char cmd, int val)
219 printf("ess_cmd1: %x, %x\n", cmd, val);
221 if (ess_dspwr(sc, cmd)) {
222 return ess_dspwr(sc, val & 0xff);
227 ess_setmixer(struct ess_info *sc, u_int port, u_int value)
229 DEB(printf("ess_setmixer: reg=%x, val=%x\n", port, value);)
230 ess_wr(sc, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
232 ess_wr(sc, SB_MIX_DATA, (u_char) (value & 0xff));
237 ess_getmixer(struct ess_info *sc, u_int port)
240 ess_wr(sc, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
242 val = ess_rd(sc, SB_MIX_DATA);
249 ess_get_byte(struct ess_info *sc)
253 for (i = 1000; i > 0; i--) {
254 if (ess_rd(sc, DSP_DATA_AVAIL) & 0x80)
255 return ess_rd(sc, DSP_READ);
263 ess_write(struct ess_info *sc, u_char reg, int val)
265 return ess_cmd1(sc, reg, val);
269 ess_read(struct ess_info *sc, u_char reg)
271 return (ess_cmd(sc, 0xc0) && ess_cmd(sc, reg))? ess_get_byte(sc) : -1;
275 ess_reset_dsp(struct ess_info *sc)
277 ess_wr(sc, SBDSP_RST, 3);
279 ess_wr(sc, SBDSP_RST, 0);
280 if (ess_get_byte(sc) != 0xAA) {
281 DEB(printf("ess_reset_dsp 0x%lx failed\n",
282 rman_get_start(sc->io_base)));
283 return ENXIO; /* Sorry */
290 ess_release_resources(struct ess_info *sc, device_t dev)
294 bus_teardown_intr(dev, sc->irq, sc->ih);
295 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
299 isa_dma_release(rman_get_start(sc->drq1));
300 bus_release_resource(dev, SYS_RES_DRQ, 0, sc->drq1);
304 isa_dma_release(rman_get_start(sc->drq2));
305 bus_release_resource(dev, SYS_RES_DRQ, 1, sc->drq2);
309 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->io_base);
312 if (sc->parent_dmat) {
313 bus_dma_tag_destroy(sc->parent_dmat);
320 ess_alloc_resources(struct ess_info *sc, device_t dev)
326 sc->io_base = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
330 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
334 sc->drq1 = bus_alloc_resource_any(dev, SYS_RES_DRQ,
338 sc->drq2 = bus_alloc_resource_any(dev, SYS_RES_DRQ,
341 if (sc->io_base && sc->drq1 && sc->irq) {
342 isa_dma_acquire(rman_get_start(sc->drq1));
343 isa_dmainit(rman_get_start(sc->drq1), sc->bufsize);
346 isa_dma_acquire(rman_get_start(sc->drq2));
347 isa_dmainit(rman_get_start(sc->drq2), sc->bufsize);
357 struct ess_info *sc = (struct ess_info *)arg;
362 if (ess_getmixer(sc, 0x7a) & 0x80)
364 if (ess_rd(sc, 0x0c) & 0x01)
367 pirq = (src & sc->pch.hwch)? 1 : 0;
368 rirq = (src & sc->rch.hwch)? 1 : 0;
373 chn_intr(sc->pch.channel);
376 if (sc->pch.stopping) {
378 sndbuf_dma(sc->pch.buffer, PCMTRIG_STOP);
379 sc->pch.stopping = 0;
380 if (sc->pch.hwch == 1)
381 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x01);
383 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) & ~0x03);
390 chn_intr(sc->rch.channel);
393 if (sc->rch.stopping) {
395 sndbuf_dma(sc->rch.buffer, PCMTRIG_STOP);
396 sc->rch.stopping = 0;
397 /* XXX: will this stop audio2? */
398 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x01);
403 ess_setmixer(sc, 0x7a, ess_getmixer(sc, 0x7a) & ~0x80);
405 ess_rd(sc, DSP_DATA_AVAIL);
409 /* utility functions for ESS */
411 ess_calcspeed8(int *spd)
417 t = (795500 + speed / 2) / speed;
418 speed = (795500 + t / 2) / t;
419 t = (256 - t) | 0x80;
421 t = (397700 + speed / 2) / speed;
422 speed = (397700 + t / 2) / t;
426 return t & 0x000000ff;
430 ess_calcspeed9(int *spd)
432 int speed, s0, s1, use0;
435 /* rate = source / (256 - divisor) */
436 /* divisor = 256 - (source / rate) */
438 t0 = 128 - (793800 / speed);
439 s0 = 793800 / (128 - t0);
441 t1 = 128 - (768000 / speed);
442 s1 = 768000 / (128 - t1);
445 use0 = (ABS(speed - s0) < ABS(speed - s1))? 1 : 0;
447 *spd = use0? s0 : s1;
448 return use0? t0 : t1;
452 ess_calcfilter(int spd)
456 /* cutoff = 7160000 / (256 - divisor) */
457 /* divisor = 256 - (7160000 / cutoff) */
458 cutoff = (spd * 9 * 82) / 20;
459 return (256 - (7160000 / cutoff));
463 ess_setupch(struct ess_info *sc, int ch, int dir, int spd, u_int32_t fmt, int len)
465 int play = (dir == PCMDIR_PLAY)? 1 : 0;
466 int b16 = (fmt & AFMT_16BIT)? 1 : 0;
467 int stereo = (AFMT_CHANNEL(fmt) > 1)? 1 : 0;
468 int unsign = (fmt == AFMT_U8 || fmt == AFMT_U16_LE)? 1 : 0;
469 u_int8_t spdval, fmtval;
472 spdval = (sc->newspeed)? ess_calcspeed9(&spd) : ess_calcspeed8(&spd);
476 KASSERT((dir == PCMDIR_PLAY) || (dir == PCMDIR_REC), ("ess_setupch: dir1 bad"));
477 /* transfer length low */
478 ess_write(sc, 0xa4, len & 0x00ff);
479 /* transfer length high */
480 ess_write(sc, 0xa5, (len & 0xff00) >> 8);
481 /* autoinit, dma dir */
482 ess_write(sc, 0xb8, 0x04 | (play? 0x00 : 0x0a));
484 ess_write(sc, 0xa8, (ess_read(sc, 0xa8) & ~0x03) | (stereo? 0x01 : 0x02));
485 /* demand mode, 4 bytes/xfer */
486 ess_write(sc, 0xb9, 0x02);
488 ess_write(sc, 0xa1, spdval);
490 ess_write(sc, 0xa2, ess_calcfilter(spd));
493 ess_write(sc, 0xb6, unsign? 0x80 : 0x00);
494 /* mono, b16: signed, load signal */
495 ess_write(sc, 0xb7, 0x51 | (unsign? 0x00 : 0x20));
497 ess_write(sc, 0xb7, 0x90 | (unsign? 0x00 : 0x20) |
499 (stereo? 0x08 : 0x40));
501 ess_write(sc, 0xb1, (ess_read(sc, 0xb1) & 0x0f) | 0x50);
503 ess_write(sc, 0xb2, (ess_read(sc, 0xb2) & 0x0f) | 0x50);
504 } else if (ch == 2) {
505 KASSERT(dir == PCMDIR_PLAY, ("ess_setupch: dir2 bad"));
506 /* transfer length low */
507 ess_setmixer(sc, 0x74, len & 0x00ff);
508 /* transfer length high */
509 ess_setmixer(sc, 0x76, (len & 0xff00) >> 8);
510 /* autoinit, 4 bytes/req */
511 ess_setmixer(sc, 0x78, 0x90);
512 fmtval = b16 | (stereo << 1) | (unsign << 2);
513 /* enable irq, set format */
514 ess_setmixer(sc, 0x7a, 0x40 | fmtval);
517 ess_setmixer(sc, 0x70, spdval);
519 ess_setmixer(sc, 0x72, ess_calcfilter(spd));
526 ess_start(struct ess_chinfo *ch)
528 struct ess_info *sc = ch->parent;
529 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0;
532 ess_setupch(sc, ch->hwch, ch->dir, ch->spd, ch->fmt, ch->blksz);
535 ess_write(sc, 0xb8, ess_read(sc, 0xb8) | 0x01);
537 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) | 0x03);
539 ess_cmd(sc, DSP_CMD_SPKON);
545 ess_stop(struct ess_chinfo *ch)
547 struct ess_info *sc = ch->parent;
548 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0;
553 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x04);
555 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) & ~0x10);
557 ess_cmd(sc, DSP_CMD_SPKOFF);
562 /* -------------------------------------------------------------------- */
563 /* channel interface for ESS18xx */
565 esschan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
567 struct ess_info *sc = devinfo;
568 struct ess_chinfo *ch = (dir == PCMDIR_PLAY)? &sc->pch : &sc->rch;
573 if (sndbuf_alloc(ch->buffer, sc->parent_dmat, 0, sc->bufsize) != 0)
577 if ((dir == PCMDIR_PLAY) && (sc->duplex))
579 sndbuf_dmasetup(ch->buffer, (ch->hwch == 1)? sc->drq1 : sc->drq2);
584 esschan_setformat(kobj_t obj, void *data, u_int32_t format)
586 struct ess_chinfo *ch = data;
593 esschan_setspeed(kobj_t obj, void *data, u_int32_t speed)
595 struct ess_chinfo *ch = data;
596 struct ess_info *sc = ch->parent;
600 ess_calcspeed9(&ch->spd);
602 ess_calcspeed8(&ch->spd);
607 esschan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
609 struct ess_chinfo *ch = data;
611 ch->blksz = blocksize;
616 esschan_trigger(kobj_t obj, void *data, int go)
618 struct ess_chinfo *ch = data;
620 if (!PCMTRIG_COMMON(go))
626 sndbuf_dma(ch->buffer, go);
640 esschan_getptr(kobj_t obj, void *data)
642 struct ess_chinfo *ch = data;
644 return sndbuf_dmaptr(ch->buffer);
647 static struct pcmchan_caps *
648 esschan_getcaps(kobj_t obj, void *data)
650 struct ess_chinfo *ch = data;
652 return (ch->dir == PCMDIR_PLAY)? &ess_playcaps : &ess_reccaps;
655 static kobj_method_t esschan_methods[] = {
656 KOBJMETHOD(channel_init, esschan_init),
657 KOBJMETHOD(channel_setformat, esschan_setformat),
658 KOBJMETHOD(channel_setspeed, esschan_setspeed),
659 KOBJMETHOD(channel_setblocksize, esschan_setblocksize),
660 KOBJMETHOD(channel_trigger, esschan_trigger),
661 KOBJMETHOD(channel_getptr, esschan_getptr),
662 KOBJMETHOD(channel_getcaps, esschan_getcaps),
665 CHANNEL_DECLARE(esschan);
667 /************************************************************/
670 essmix_init(struct snd_mixer *m)
672 struct ess_info *sc = mix_getdevinfo(m);
674 mix_setrecdevs(m, SOUND_MASK_CD | SOUND_MASK_MIC | SOUND_MASK_LINE |
677 mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_LINE |
678 SOUND_MASK_MIC | SOUND_MASK_CD | SOUND_MASK_VOLUME |
679 SOUND_MASK_LINE1 | SOUND_MASK_SPEAKER);
681 ess_setmixer(sc, 0, 0); /* reset */
687 essmix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
689 struct ess_info *sc = mix_getdevinfo(m);
690 int preg = 0, rreg = 0, l, r;
692 l = (left * 15) / 100;
693 r = (right * 15) / 100;
695 case SOUND_MIXER_SYNTH:
700 case SOUND_MIXER_PCM:
705 case SOUND_MIXER_LINE:
710 case SOUND_MIXER_MIC:
715 case SOUND_MIXER_LINE1:
725 case SOUND_MIXER_SPEAKER:
729 case SOUND_MIXER_VOLUME:
730 l = left? (left * 63) / 100 : 64;
731 r = right? (right * 63) / 100 : 64;
732 ess_setmixer(sc, 0x60, l);
733 ess_setmixer(sc, 0x62, r);
734 left = (l == 64)? 0 : (l * 100) / 63;
735 right = (r == 64)? 0 : (r * 100) / 63;
736 return left | (right << 8);
740 ess_setmixer(sc, preg, (l << 4) | r);
742 ess_setmixer(sc, rreg, (l << 4) | r);
744 left = (l * 100) / 15;
745 right = (r * 100) / 15;
747 return left | (right << 8);
751 essmix_setrecsrc(struct snd_mixer *m, u_int32_t src)
753 struct ess_info *sc = mix_getdevinfo(m);
761 case SOUND_MASK_LINE:
765 case SOUND_MASK_IMIX:
772 src = SOUND_MASK_MIC;
776 ess_setmixer(sc, 0x1c, recdev);
781 static kobj_method_t essmixer_methods[] = {
782 KOBJMETHOD(mixer_init, essmix_init),
783 KOBJMETHOD(mixer_set, essmix_set),
784 KOBJMETHOD(mixer_setrecsrc, essmix_setrecsrc),
787 MIXER_DECLARE(essmixer);
789 /************************************************************/
792 ess_probe(device_t dev)
794 uintptr_t func, ver, r, f;
796 /* The parent device has already been probed. */
797 r = BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func);
801 r = BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver);
802 f = (ver & 0xffff0000) >> 16;
806 device_set_desc(dev, "ESS 18xx DSP");
812 ess_attach(device_t dev)
815 char status[SND_STATUSLEN], buf[64];
818 sc = malloc(sizeof(*sc), M_DEVBUF, M_WAITOK | M_ZERO);
819 sc->parent_dev = device_get_parent(dev);
820 sc->bufsize = pcm_getbuffersize(dev, 4096, ESS_BUFFSIZE, 65536);
821 if (ess_alloc_resources(sc, dev))
823 if (ess_reset_dsp(sc))
825 if (mixer_init(dev, &essmixer_class, sc))
830 ver = (ess_getmixer(sc, 0x40) << 8) | ess_rd(sc, SB_MIX_DATA);
831 snprintf(buf, sizeof buf, "ESS %x DSP", ver);
832 device_set_desc_copy(dev, buf);
834 device_printf(dev, "ESS%x detected", ver);
839 #ifdef ESS18XX_DUPLEX
840 sc->duplex = sc->drq2? 1 : 0;
842 #ifdef ESS18XX_NEWSPEED
848 printf("%s%s\n", sc->duplex? ", duplex" : "",
849 sc->newspeed? ", newspeed" : "");
852 ess_setmixer(sc, 0x71, 0x22);
854 snd_setup_intr(dev, sc->irq, 0, ess_intr, sc, &sc->ih);
856 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
858 if (bus_dma_tag_create(/*parent*/bus_get_dma_tag(dev), /*alignment*/2,
860 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
861 /*highaddr*/BUS_SPACE_MAXADDR,
862 /*filter*/NULL, /*filterarg*/NULL,
863 /*maxsize*/sc->bufsize, /*nsegments*/1,
865 /*flags*/0, /*lockfunc*/busdma_lock_mutex,
866 /*lockarg*/&Giant, &sc->parent_dmat) != 0) {
867 device_printf(dev, "unable to create dma tag\n");
872 snprintf(buf, SND_STATUSLEN, ":%jd", rman_get_start(sc->drq2));
876 snprintf(status, SND_STATUSLEN, "at io 0x%jx irq %jd drq %jd%s bufsz %u %s",
877 rman_get_start(sc->io_base), rman_get_start(sc->irq),
878 rman_get_start(sc->drq1), buf, sc->bufsize,
879 PCM_KLDSTRING(snd_ess));
881 if (pcm_register(dev, sc, 1, 1))
883 pcm_addchan(dev, PCMDIR_REC, &esschan_class, sc);
884 pcm_addchan(dev, PCMDIR_PLAY, &esschan_class, sc);
885 pcm_setstatus(dev, status);
890 ess_release_resources(sc, dev);
895 ess_detach(device_t dev)
900 r = pcm_unregister(dev);
904 sc = pcm_getdevinfo(dev);
905 ess_release_resources(sc, dev);
910 ess_resume(device_t dev)
914 sc = pcm_getdevinfo(dev);
916 if (ess_reset_dsp(sc)) {
917 device_printf(dev, "unable to reset DSP at resume\n");
921 if (mixer_reinit(dev)) {
922 device_printf(dev, "unable to reinitialize mixer at resume\n");
929 static device_method_t ess_methods[] = {
930 /* Device interface */
931 DEVMETHOD(device_probe, ess_probe),
932 DEVMETHOD(device_attach, ess_attach),
933 DEVMETHOD(device_detach, ess_detach),
934 DEVMETHOD(device_resume, ess_resume),
939 static driver_t ess_driver = {
945 DRIVER_MODULE(snd_ess, sbc, ess_driver, pcm_devclass, 0, 0);
946 MODULE_DEPEND(snd_ess, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
947 MODULE_DEPEND(snd_ess, snd_sbc, 1, 1, 1);
948 MODULE_VERSION(snd_ess, 1);
950 /************************************************************/
952 static devclass_t esscontrol_devclass;
954 static struct isa_pnp_id essc_ids[] = {
955 {0x06007316, "ESS Control"},
960 esscontrol_probe(device_t dev)
964 i = ISA_PNP_PROBE(device_get_parent(dev), dev, essc_ids);
971 esscontrol_attach(device_t dev)
978 io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
980 for (i = 0; i < 0x100; i++) {
984 printf("%3.3x: ", i);
986 if ((i & 0x0f) == 0x0f)
989 bus_release_resource(dev, SYS_RES_IOPORT, 0, io);
997 esscontrol_detach(device_t dev)
1002 static device_method_t esscontrol_methods[] = {
1003 /* Device interface */
1004 DEVMETHOD(device_probe, esscontrol_probe),
1005 DEVMETHOD(device_attach, esscontrol_attach),
1006 DEVMETHOD(device_detach, esscontrol_detach),
1011 static driver_t esscontrol_driver = {
1017 DRIVER_MODULE(esscontrol, isa, esscontrol_driver, esscontrol_devclass, 0, 0);
1018 DRIVER_MODULE(esscontrol, acpi, esscontrol_driver, esscontrol_devclass, 0, 0);