2 * Copyright (c) 2001 Orion Hodson <oho@acm.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHERIN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THEPOSSIBILITY OF
28 * als4000.c - driver for the Avance Logic ALS 4000 chipset.
30 * The ALS4000 is effectively an SB16 with a PCI interface.
32 * This driver derives from ALS4000a.PDF, Bart Hartgers alsa driver, and
33 * SB16 register descriptions.
36 #ifdef HAVE_KERNEL_OPTION_HEADERS
40 #include <dev/sound/pcm/sound.h>
41 #include <dev/sound/isa/sb.h>
42 #include <dev/sound/pci/als4000.h>
44 #include <dev/pci/pcireg.h>
45 #include <dev/pci/pcivar.h>
49 SND_DECLARE_FILE("$FreeBSD$");
51 /* Debugging macro's */
54 #define DEB(x) /* x */
57 #define ALS_DEFAULT_BUFSZ 16384
59 /* ------------------------------------------------------------------------- */
65 struct sc_info *parent;
66 struct pcm_channel *channel;
67 struct snd_dbuf *buffer;
68 u_int32_t format, speed, phys_buf, bps;
69 u_int32_t dma_active:1, dma_was_active:1;
70 u_int8_t gcr_fifo_status;
77 bus_space_handle_t sh;
78 bus_dma_tag_t parent_dmat;
79 struct resource *reg, *irq;
85 struct sc_chinfo pch, rch;
90 static u_int32_t als_format[] = {
91 SND_FORMAT(AFMT_U8, 1, 0),
92 SND_FORMAT(AFMT_U8, 2, 0),
93 SND_FORMAT(AFMT_S16_LE, 1, 0),
94 SND_FORMAT(AFMT_S16_LE, 2, 0),
99 * I don't believe this rotten soundcard can do 48k, really,
102 static struct pcmchan_caps als_caps = { 4000, 44100, als_format, 0 };
104 /* ------------------------------------------------------------------------- */
105 /* Register Utilities */
108 als_gcr_rd(struct sc_info *sc, int index)
110 bus_space_write_1(sc->st, sc->sh, ALS_GCR_INDEX, index);
111 return bus_space_read_4(sc->st, sc->sh, ALS_GCR_DATA);
115 als_gcr_wr(struct sc_info *sc, int index, int data)
117 bus_space_write_1(sc->st, sc->sh, ALS_GCR_INDEX, index);
118 bus_space_write_4(sc->st, sc->sh, ALS_GCR_DATA, data);
122 als_intr_rd(struct sc_info *sc)
124 return bus_space_read_1(sc->st, sc->sh, ALS_SB_MPU_IRQ);
128 als_intr_wr(struct sc_info *sc, u_int8_t data)
130 bus_space_write_1(sc->st, sc->sh, ALS_SB_MPU_IRQ, data);
134 als_mix_rd(struct sc_info *sc, u_int8_t index)
136 bus_space_write_1(sc->st, sc->sh, ALS_MIXER_INDEX, index);
137 return bus_space_read_1(sc->st, sc->sh, ALS_MIXER_DATA);
141 als_mix_wr(struct sc_info *sc, u_int8_t index, u_int8_t data)
143 bus_space_write_1(sc->st, sc->sh, ALS_MIXER_INDEX, index);
144 bus_space_write_1(sc->st, sc->sh, ALS_MIXER_DATA, data);
148 als_esp_wr(struct sc_info *sc, u_int8_t data)
154 v = bus_space_read_1(sc->st, sc->sh, ALS_ESP_WR_STATUS);
158 } while (--tries != 0);
161 device_printf(sc->dev, "als_esp_wr timeout");
163 bus_space_write_1(sc->st, sc->sh, ALS_ESP_WR_DATA, data);
167 als_esp_reset(struct sc_info *sc)
169 u_int32_t tries, u, v;
171 bus_space_write_1(sc->st, sc->sh, ALS_ESP_RST, 1);
173 bus_space_write_1(sc->st, sc->sh, ALS_ESP_RST, 0);
178 u = bus_space_read_1(sc->st, sc->sh, ALS_ESP_RD_STATUS8);
180 v = bus_space_read_1(sc->st, sc->sh, ALS_ESP_RD_DATA);
187 } while (--tries != 0);
190 device_printf(sc->dev, "als_esp_reset timeout");
195 als_ack_read(struct sc_info *sc, u_int8_t addr)
197 u_int8_t r = bus_space_read_1(sc->st, sc->sh, addr);
201 /* ------------------------------------------------------------------------- */
202 /* Common pcm channel implementation */
205 alschan_init(kobj_t obj, void *devinfo,
206 struct snd_dbuf *b, struct pcm_channel *c, int dir)
208 struct sc_info *sc = devinfo;
209 struct sc_chinfo *ch;
211 snd_mtxlock(sc->lock);
212 if (dir == PCMDIR_PLAY) {
214 ch->gcr_fifo_status = ALS_GCR_FIFO0_STATUS;
217 ch->gcr_fifo_status = ALS_GCR_FIFO1_STATUS;
223 ch->format = SND_FORMAT(AFMT_U8, 1, 0);
224 ch->speed = DSP_DEFAULT_SPEED;
226 snd_mtxunlock(sc->lock);
228 if (sndbuf_alloc(ch->buffer, sc->parent_dmat, 0, sc->bufsz) != 0)
235 alschan_setformat(kobj_t obj, void *data, u_int32_t format)
237 struct sc_chinfo *ch = data;
244 alschan_setspeed(kobj_t obj, void *data, u_int32_t speed)
246 struct sc_chinfo *ch = data, *other;
247 struct sc_info *sc = ch->parent;
249 other = (ch->dir == PCMDIR_PLAY) ? &sc->rch : &sc->pch;
251 /* Deny request if other dma channel is active */
252 if (other->dma_active) {
253 ch->speed = other->speed;
262 alschan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
264 struct sc_chinfo *ch = data;
265 struct sc_info *sc = ch->parent;
267 if (blocksize > sc->bufsz / 2) {
268 blocksize = sc->bufsz / 2;
270 sndbuf_resize(ch->buffer, 2, blocksize);
275 alschan_getptr(kobj_t obj, void *data)
277 struct sc_chinfo *ch = data;
278 struct sc_info *sc = ch->parent;
281 snd_mtxlock(sc->lock);
282 pos = als_gcr_rd(ch->parent, ch->gcr_fifo_status) & 0xffff;
283 snd_mtxunlock(sc->lock);
284 sz = sndbuf_getsize(ch->buffer);
285 return (2 * sz - pos - 1) % sz;
288 static struct pcmchan_caps*
289 alschan_getcaps(kobj_t obj, void *data)
295 als_set_speed(struct sc_chinfo *ch)
297 struct sc_info *sc = ch->parent;
298 struct sc_chinfo *other;
300 other = (ch->dir == PCMDIR_PLAY) ? &sc->rch : &sc->pch;
301 if (other->dma_active == 0) {
302 als_esp_wr(sc, ALS_ESP_SAMPLE_RATE);
303 als_esp_wr(sc, ch->speed >> 8);
304 als_esp_wr(sc, ch->speed & 0xff);
306 DEB(printf("speed locked at %d (tried %d)\n",
307 other->speed, ch->speed));
311 /* ------------------------------------------------------------------------- */
312 /* Playback channel implementation */
314 #define ALS_8BIT_CMD(x, y) { (x), (y), DSP_DMA8, DSP_CMD_DMAPAUSE_8 }
315 #define ALS_16BIT_CMD(x, y) { (x), (y), DSP_DMA16, DSP_CMD_DMAPAUSE_16 }
317 struct playback_command {
318 u_int32_t pcm_format; /* newpcm format */
319 u_int8_t format_val; /* sb16 format value */
320 u_int8_t dma_prog; /* sb16 dma program */
321 u_int8_t dma_stop; /* sb16 stop register */
322 } static const playback_cmds[] = {
323 ALS_8BIT_CMD(SND_FORMAT(AFMT_U8, 1, 0), DSP_MODE_U8MONO),
324 ALS_8BIT_CMD(SND_FORMAT(AFMT_U8, 2, 0), DSP_MODE_U8STEREO),
325 ALS_16BIT_CMD(SND_FORMAT(AFMT_S16_LE, 1, 0), DSP_MODE_S16MONO),
326 ALS_16BIT_CMD(SND_FORMAT(AFMT_S16_LE, 2, 0), DSP_MODE_S16STEREO),
329 static const struct playback_command*
330 als_get_playback_command(u_int32_t format)
334 n = sizeof(playback_cmds) / sizeof(playback_cmds[0]);
335 for (i = 0; i < n; i++) {
336 if (playback_cmds[i].pcm_format == format) {
337 return &playback_cmds[i];
340 DEB(printf("als_get_playback_command: invalid format 0x%08x\n",
342 return &playback_cmds[0];
346 als_playback_start(struct sc_chinfo *ch)
348 const struct playback_command *p;
349 struct sc_info *sc = ch->parent;
350 u_int32_t buf, bufsz, count, dma_prog;
352 buf = sndbuf_getbufaddr(ch->buffer);
353 bufsz = sndbuf_getsize(ch->buffer);
355 if (ch->format & AFMT_16BIT)
359 als_esp_wr(sc, DSP_CMD_SPKON);
362 als_gcr_wr(sc, ALS_GCR_DMA0_START, buf);
363 als_gcr_wr(sc, ALS_GCR_DMA0_MODE, (bufsz - 1) | 0x180000);
365 p = als_get_playback_command(ch->format);
366 dma_prog = p->dma_prog | DSP_F16_DAC | DSP_F16_AUTO | DSP_F16_FIFO_ON;
368 als_esp_wr(sc, dma_prog);
369 als_esp_wr(sc, p->format_val);
370 als_esp_wr(sc, count & 0xff);
371 als_esp_wr(sc, count >> 8);
377 als_playback_stop(struct sc_chinfo *ch)
379 const struct playback_command *p;
380 struct sc_info *sc = ch->parent;
383 active = ch->dma_active;
385 p = als_get_playback_command(ch->format);
386 als_esp_wr(sc, p->dma_stop);
393 alspchan_trigger(kobj_t obj, void *data, int go)
395 struct sc_chinfo *ch = data;
396 struct sc_info *sc = ch->parent;
398 if (!PCMTRIG_COMMON(go))
401 snd_mtxlock(sc->lock);
404 als_playback_start(ch);
408 als_playback_stop(ch);
413 snd_mtxunlock(sc->lock);
417 static kobj_method_t alspchan_methods[] = {
418 KOBJMETHOD(channel_init, alschan_init),
419 KOBJMETHOD(channel_setformat, alschan_setformat),
420 KOBJMETHOD(channel_setspeed, alschan_setspeed),
421 KOBJMETHOD(channel_setblocksize, alschan_setblocksize),
422 KOBJMETHOD(channel_trigger, alspchan_trigger),
423 KOBJMETHOD(channel_getptr, alschan_getptr),
424 KOBJMETHOD(channel_getcaps, alschan_getcaps),
427 CHANNEL_DECLARE(alspchan);
429 /* ------------------------------------------------------------------------- */
430 /* Capture channel implementation */
433 als_get_fifo_format(struct sc_info *sc, u_int32_t format)
436 case SND_FORMAT(AFMT_U8, 1, 0):
437 return ALS_FIFO1_8BIT;
438 case SND_FORMAT(AFMT_U8, 2, 0):
439 return ALS_FIFO1_8BIT | ALS_FIFO1_STEREO;
440 case SND_FORMAT(AFMT_S16_LE, 1, 0):
441 return ALS_FIFO1_SIGNED;
442 case SND_FORMAT(AFMT_S16_LE, 2, 0):
443 return ALS_FIFO1_SIGNED | ALS_FIFO1_STEREO;
445 device_printf(sc->dev, "format not found: 0x%08x\n", format);
446 return ALS_FIFO1_8BIT;
450 als_capture_start(struct sc_chinfo *ch)
452 struct sc_info *sc = ch->parent;
453 u_int32_t buf, bufsz, count, dma_prog;
455 buf = sndbuf_getbufaddr(ch->buffer);
456 bufsz = sndbuf_getsize(ch->buffer);
458 if (ch->format & AFMT_16BIT)
462 als_esp_wr(sc, DSP_CMD_SPKON);
465 als_gcr_wr(sc, ALS_GCR_FIFO1_START, buf);
466 als_gcr_wr(sc, ALS_GCR_FIFO1_COUNT, (bufsz - 1));
468 als_mix_wr(sc, ALS_FIFO1_LENGTH_LO, count & 0xff);
469 als_mix_wr(sc, ALS_FIFO1_LENGTH_HI, count >> 8);
471 dma_prog = ALS_FIFO1_RUN | als_get_fifo_format(sc, ch->format);
472 als_mix_wr(sc, ALS_FIFO1_CONTROL, dma_prog);
478 als_capture_stop(struct sc_chinfo *ch)
480 struct sc_info *sc = ch->parent;
483 active = ch->dma_active;
485 als_mix_wr(sc, ALS_FIFO1_CONTROL, ALS_FIFO1_STOP);
492 alsrchan_trigger(kobj_t obj, void *data, int go)
494 struct sc_chinfo *ch = data;
495 struct sc_info *sc = ch->parent;
497 snd_mtxlock(sc->lock);
500 als_capture_start(ch);
504 als_capture_stop(ch);
507 snd_mtxunlock(sc->lock);
511 static kobj_method_t alsrchan_methods[] = {
512 KOBJMETHOD(channel_init, alschan_init),
513 KOBJMETHOD(channel_setformat, alschan_setformat),
514 KOBJMETHOD(channel_setspeed, alschan_setspeed),
515 KOBJMETHOD(channel_setblocksize, alschan_setblocksize),
516 KOBJMETHOD(channel_trigger, alsrchan_trigger),
517 KOBJMETHOD(channel_getptr, alschan_getptr),
518 KOBJMETHOD(channel_getcaps, alschan_getcaps),
521 CHANNEL_DECLARE(alsrchan);
523 /* ------------------------------------------------------------------------- */
527 * ALS4000 has an sb16 mixer, with some additional controls that we do
528 * not yet a means to support.
536 u_int8_t iselect; /* left input mask */
537 } static const amt[SOUND_MIXER_NRDEVICES] = {
538 [SOUND_MIXER_VOLUME] = { 0x30, 0x31, 5, 0x00, 0x00 },
539 [SOUND_MIXER_PCM] = { 0x32, 0x33, 5, 0x00, 0x00 },
540 [SOUND_MIXER_SYNTH] = { 0x34, 0x35, 5, 0x60, 0x40 },
541 [SOUND_MIXER_CD] = { 0x36, 0x37, 5, 0x06, 0x04 },
542 [SOUND_MIXER_LINE] = { 0x38, 0x39, 5, 0x18, 0x10 },
543 [SOUND_MIXER_MIC] = { 0x3a, 0x00, 5, 0x01, 0x01 },
544 [SOUND_MIXER_SPEAKER] = { 0x3b, 0x00, 2, 0x00, 0x00 },
545 [SOUND_MIXER_IGAIN] = { 0x3f, 0x40, 2, 0x00, 0x00 },
546 [SOUND_MIXER_OGAIN] = { 0x41, 0x42, 2, 0x00, 0x00 },
547 /* The following have register values but no h/w implementation */
548 [SOUND_MIXER_TREBLE] = { 0x44, 0x45, 4, 0x00, 0x00 },
549 [SOUND_MIXER_BASS] = { 0x46, 0x47, 4, 0x00, 0x00 }
553 alsmix_init(struct snd_mixer *m)
557 for (i = v = 0; i < SOUND_MIXER_NRDEVICES; i++) {
558 if (amt[i].bits) v |= 1 << i;
562 for (i = v = 0; i < SOUND_MIXER_NRDEVICES; i++) {
563 if (amt[i].iselect) v |= 1 << i;
565 mix_setrecdevs(m, v);
570 alsmix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
572 struct sc_info *sc = mix_getdevinfo(m);
573 u_int32_t r, l, v, mask;
575 /* Fill upper n bits in mask with 1's */
576 mask = ((1 << amt[dev].bits) - 1) << (8 - amt[dev].bits);
578 l = (left * mask / 100) & mask;
579 v = als_mix_rd(sc, amt[dev].lreg) & ~mask;
580 als_mix_wr(sc, amt[dev].lreg, l | v);
583 r = (right * mask / 100) & mask;
584 v = als_mix_rd(sc, amt[dev].rreg) & ~mask;
585 als_mix_wr(sc, amt[dev].rreg, r | v);
590 /* Zero gain does not mute channel from output, but this does. */
591 v = als_mix_rd(sc, SB16_OMASK);
592 if (l == 0 && r == 0) {
593 v &= ~amt[dev].oselect;
595 v |= amt[dev].oselect;
597 als_mix_wr(sc, SB16_OMASK, v);
602 alsmix_setrecsrc(struct snd_mixer *m, u_int32_t src)
604 struct sc_info *sc = mix_getdevinfo(m);
607 for (i = l = r = 0; i < SOUND_MIXER_NRDEVICES; i++) {
608 if (src & (1 << i)) {
609 if (amt[i].iselect == 1) { /* microphone */
614 r |= amt[i].iselect >> 1;
619 als_mix_wr(sc, SB16_IMASK_L, l);
620 als_mix_wr(sc, SB16_IMASK_R, r);
624 static kobj_method_t als_mixer_methods[] = {
625 KOBJMETHOD(mixer_init, alsmix_init),
626 KOBJMETHOD(mixer_set, alsmix_set),
627 KOBJMETHOD(mixer_setrecsrc, alsmix_setrecsrc),
630 MIXER_DECLARE(als_mixer);
632 /* ------------------------------------------------------------------------- */
633 /* Interrupt Handler */
638 struct sc_info *sc = (struct sc_info *)p;
639 u_int8_t intr, sb_status;
641 snd_mtxlock(sc->lock);
642 intr = als_intr_rd(sc);
645 snd_mtxunlock(sc->lock);
646 chn_intr(sc->pch.channel);
647 snd_mtxlock(sc->lock);
651 snd_mtxunlock(sc->lock);
652 chn_intr(sc->rch.channel);
653 snd_mtxlock(sc->lock);
656 /* ACK interrupt in PCI core */
657 als_intr_wr(sc, intr);
659 /* ACK interrupt in SB core */
660 sb_status = als_mix_rd(sc, IRQ_STAT);
662 if (sb_status & ALS_IRQ_STATUS8)
663 als_ack_read(sc, ALS_ESP_RD_STATUS8);
664 if (sb_status & ALS_IRQ_STATUS16)
665 als_ack_read(sc, ALS_ESP_RD_STATUS16);
666 if (sb_status & ALS_IRQ_MPUIN)
667 als_ack_read(sc, ALS_MIDI_DATA);
668 if (sb_status & ALS_IRQ_CR1E)
669 als_ack_read(sc, ALS_CR1E_ACK_PORT);
671 snd_mtxunlock(sc->lock);
675 /* ------------------------------------------------------------------------- */
676 /* H/W initialization */
679 als_init(struct sc_info *sc)
684 if (als_esp_reset(sc)) {
688 /* Enable write on DMA_SETUP register */
689 v = als_mix_rd(sc, ALS_SB16_CONFIG);
690 als_mix_wr(sc, ALS_SB16_CONFIG, v | 0x80);
693 als_mix_wr(sc, ALS_SB16_DMA_SETUP, 0x01);
695 /* Disable write on DMA_SETUP register */
696 als_mix_wr(sc, ALS_SB16_CONFIG, v & 0x7f);
698 /* Enable interrupts */
699 v = als_gcr_rd(sc, ALS_GCR_MISC);
700 als_gcr_wr(sc, ALS_GCR_MISC, v | 0x28000);
702 /* Black out GCR DMA registers */
703 for (i = 0x91; i <= 0x96; i++) {
704 als_gcr_wr(sc, i, 0);
708 v = als_gcr_rd(sc, ALS_GCR_DMA_EMULATION);
709 als_gcr_wr(sc, ALS_GCR_DMA_EMULATION, v);
710 DEB(printf("GCR_DMA_EMULATION 0x%08x\n", v));
715 als_uninit(struct sc_info *sc)
717 /* Disable interrupts */
718 als_gcr_wr(sc, ALS_GCR_MISC, 0);
721 /* ------------------------------------------------------------------------- */
722 /* Probe and attach card */
725 als_pci_probe(device_t dev)
727 if (pci_get_devid(dev) == ALS_PCI_ID0) {
728 device_set_desc(dev, "Avance Logic ALS4000");
729 return BUS_PROBE_DEFAULT;
735 als_resource_free(device_t dev, struct sc_info *sc)
738 bus_release_resource(dev, SYS_RES_IOPORT, sc->regid, sc->reg);
742 bus_teardown_intr(dev, sc->irq, sc->ih);
746 bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq);
749 if (sc->parent_dmat) {
750 bus_dma_tag_destroy(sc->parent_dmat);
754 snd_mtxfree(sc->lock);
760 als_resource_grab(device_t dev, struct sc_info *sc)
762 sc->regid = PCIR_BAR(0);
763 sc->reg = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->regid, 0, ~0,
764 ALS_CONFIG_SPACE_BYTES, RF_ACTIVE);
766 device_printf(dev, "unable to allocate register space\n");
769 sc->st = rman_get_bustag(sc->reg);
770 sc->sh = rman_get_bushandle(sc->reg);
772 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irqid,
773 RF_ACTIVE | RF_SHAREABLE);
775 device_printf(dev, "unable to allocate interrupt\n");
779 if (snd_setup_intr(dev, sc->irq, INTR_MPSAFE, als_intr,
781 device_printf(dev, "unable to setup interrupt\n");
785 sc->bufsz = pcm_getbuffersize(dev, 4096, ALS_DEFAULT_BUFSZ, 65536);
787 if (bus_dma_tag_create(/*parent*/bus_get_dma_tag(dev),
788 /*alignment*/2, /*boundary*/0,
789 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
790 /*highaddr*/BUS_SPACE_MAXADDR,
791 /*filter*/NULL, /*filterarg*/NULL,
792 /*maxsize*/sc->bufsz,
793 /*nsegments*/1, /*maxsegz*/0x3ffff,
794 /*flags*/0, /*lockfunc*/NULL,
795 /*lockarg*/NULL, &sc->parent_dmat) != 0) {
796 device_printf(dev, "unable to create dma tag\n");
801 als_resource_free(dev, sc);
806 als_pci_attach(device_t dev)
809 char status[SND_STATUSLEN];
811 sc = malloc(sizeof(*sc), M_DEVBUF, M_WAITOK | M_ZERO);
812 sc->lock = snd_mtxcreate(device_get_nameunit(dev), "snd_als4000 softc");
815 pci_enable_busmaster(dev);
817 * By default the power to the various components on the
818 * ALS4000 is entirely controlled by the pci powerstate. We
819 * could attempt finer grained control by setting GCR6.31.
821 #if __FreeBSD_version > 500000
822 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) {
823 /* Reset the power state. */
824 device_printf(dev, "chip is in D%d power mode "
825 "-- setting to D0\n", pci_get_powerstate(dev));
826 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
829 data = pci_read_config(dev, ALS_PCI_POWERREG, 2);
830 if ((data & 0x03) != 0) {
831 device_printf(dev, "chip is in D%d power mode "
832 "-- setting to D0\n", data & 0x03);
834 pci_write_config(dev, ALS_PCI_POWERREG, data, 2);
838 if (als_resource_grab(dev, sc)) {
839 device_printf(dev, "failed to allocate resources\n");
844 device_printf(dev, "failed to initialize hardware\n");
848 if (mixer_init(dev, &als_mixer_class, sc)) {
849 device_printf(dev, "failed to initialize mixer\n");
853 if (pcm_register(dev, sc, 1, 1)) {
854 device_printf(dev, "failed to register pcm entries\n");
858 pcm_addchan(dev, PCMDIR_PLAY, &alspchan_class, sc);
859 pcm_addchan(dev, PCMDIR_REC, &alsrchan_class, sc);
861 snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld %s",
862 rman_get_start(sc->reg), rman_get_start(sc->irq),PCM_KLDSTRING(snd_als4000));
863 pcm_setstatus(dev, status);
867 als_resource_free(dev, sc);
873 als_pci_detach(device_t dev)
878 r = pcm_unregister(dev);
882 sc = pcm_getdevinfo(dev);
884 als_resource_free(dev, sc);
890 als_pci_suspend(device_t dev)
892 struct sc_info *sc = pcm_getdevinfo(dev);
894 snd_mtxlock(sc->lock);
895 sc->pch.dma_was_active = als_playback_stop(&sc->pch);
896 sc->rch.dma_was_active = als_capture_stop(&sc->rch);
898 snd_mtxunlock(sc->lock);
903 als_pci_resume(device_t dev)
905 struct sc_info *sc = pcm_getdevinfo(dev);
908 snd_mtxlock(sc->lock);
909 if (als_init(sc) != 0) {
910 device_printf(dev, "unable to reinitialize the card\n");
911 snd_mtxunlock(sc->lock);
915 if (mixer_reinit(dev) != 0) {
916 device_printf(dev, "unable to reinitialize the mixer\n");
917 snd_mtxunlock(sc->lock);
921 if (sc->pch.dma_was_active) {
922 als_playback_start(&sc->pch);
925 if (sc->rch.dma_was_active) {
926 als_capture_start(&sc->rch);
928 snd_mtxunlock(sc->lock);
933 static device_method_t als_methods[] = {
934 /* Device interface */
935 DEVMETHOD(device_probe, als_pci_probe),
936 DEVMETHOD(device_attach, als_pci_attach),
937 DEVMETHOD(device_detach, als_pci_detach),
938 DEVMETHOD(device_suspend, als_pci_suspend),
939 DEVMETHOD(device_resume, als_pci_resume),
943 static driver_t als_driver = {
949 DRIVER_MODULE(snd_als4000, pci, als_driver, pcm_devclass, 0, 0);
950 MODULE_DEPEND(snd_als4000, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
951 MODULE_VERSION(snd_als4000, 1);