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
26 * $FreeBSD: src/sys/dev/sound/pci/als4000.c,v 1.18.2.1 2005/12/30 19:55:53 netchild Exp $
30 * als4000.c - driver for the Avance Logic ALS 4000 chipset.
32 * The ALS4000 is effectively an SB16 with a PCI interface.
34 * This driver derives from ALS4000a.PDF, Bart Hartgers alsa driver, and
35 * SB16 register descriptions.
38 #include <dev/sound/pcm/sound.h>
39 #include <dev/sound/isa/sb.h>
40 #include <dev/sound/pci/als4000.h>
42 #include <bus/pci/pcireg.h>
43 #include <bus/pci/pcivar.h>
47 /* Debugging macro's */
50 #define DEB(x) /* x */
53 #define ALS_DEFAULT_BUFSZ 16384
55 /* ------------------------------------------------------------------------- */
61 struct sc_info *parent;
62 struct pcm_channel *channel;
63 struct snd_dbuf *buffer;
64 u_int32_t format, speed, phys_buf, bps;
65 u_int32_t dma_active:1, dma_was_active:1;
66 u_int8_t gcr_fifo_status;
73 bus_space_handle_t sh;
74 bus_dma_tag_t parent_dmat;
75 struct resource *reg, *irq;
81 struct sc_chinfo pch, rch;
86 static u_int32_t als_format[] = {
88 AFMT_STEREO | AFMT_U8,
90 AFMT_STEREO | AFMT_S16_LE,
95 * I don't believe this rotten soundcard can do 48k, really,
98 static struct pcmchan_caps als_caps = { 4000, 44100, als_format, 0 };
100 /* ------------------------------------------------------------------------- */
101 /* Register Utilities */
104 als_gcr_rd(struct sc_info *sc, int index)
106 bus_space_write_1(sc->st, sc->sh, ALS_GCR_INDEX, index);
107 return bus_space_read_4(sc->st, sc->sh, ALS_GCR_DATA);
111 als_gcr_wr(struct sc_info *sc, int index, int data)
113 bus_space_write_1(sc->st, sc->sh, ALS_GCR_INDEX, index);
114 bus_space_write_4(sc->st, sc->sh, ALS_GCR_DATA, data);
118 als_intr_rd(struct sc_info *sc)
120 return bus_space_read_1(sc->st, sc->sh, ALS_SB_MPU_IRQ);
124 als_intr_wr(struct sc_info *sc, u_int8_t data)
126 bus_space_write_1(sc->st, sc->sh, ALS_SB_MPU_IRQ, data);
130 als_mix_rd(struct sc_info *sc, u_int8_t index)
132 bus_space_write_1(sc->st, sc->sh, ALS_MIXER_INDEX, index);
133 return bus_space_read_1(sc->st, sc->sh, ALS_MIXER_DATA);
137 als_mix_wr(struct sc_info *sc, u_int8_t index, u_int8_t data)
139 bus_space_write_1(sc->st, sc->sh, ALS_MIXER_INDEX, index);
140 bus_space_write_1(sc->st, sc->sh, ALS_MIXER_DATA, data);
144 als_esp_wr(struct sc_info *sc, u_int8_t data)
150 v = bus_space_read_1(sc->st, sc->sh, ALS_ESP_WR_STATUS);
154 } while (--tries != 0);
157 device_printf(sc->dev, "als_esp_wr timeout");
159 bus_space_write_1(sc->st, sc->sh, ALS_ESP_WR_DATA, data);
163 als_esp_reset(struct sc_info *sc)
165 u_int32_t tries, u, v;
167 bus_space_write_1(sc->st, sc->sh, ALS_ESP_RST, 1);
169 bus_space_write_1(sc->st, sc->sh, ALS_ESP_RST, 0);
174 u = bus_space_read_1(sc->st, sc->sh, ALS_ESP_RD_STATUS8);
176 v = bus_space_read_1(sc->st, sc->sh, ALS_ESP_RD_DATA);
183 } while (--tries != 0);
186 device_printf(sc->dev, "als_esp_reset timeout");
191 als_ack_read(struct sc_info *sc, u_int8_t addr)
193 u_int8_t r = bus_space_read_1(sc->st, sc->sh, addr);
197 /* ------------------------------------------------------------------------- */
198 /* Common pcm channel implementation */
201 alschan_init(kobj_t obj, void *devinfo,
202 struct snd_dbuf *b, struct pcm_channel *c, int dir)
204 struct sc_info *sc = devinfo;
205 struct sc_chinfo *ch;
207 snd_mtxlock(sc->lock);
208 if (dir == PCMDIR_PLAY) {
210 ch->gcr_fifo_status = ALS_GCR_FIFO0_STATUS;
213 ch->gcr_fifo_status = ALS_GCR_FIFO1_STATUS;
219 ch->format = AFMT_U8;
220 ch->speed = DSP_DEFAULT_SPEED;
222 snd_mtxunlock(sc->lock);
224 if (sndbuf_alloc(ch->buffer, sc->parent_dmat, sc->bufsz) != 0)
231 alschan_setformat(kobj_t obj, void *data, u_int32_t format)
233 struct sc_chinfo *ch = data;
240 alschan_setspeed(kobj_t obj, void *data, u_int32_t speed)
242 struct sc_chinfo *ch = data, *other;
243 struct sc_info *sc = ch->parent;
245 other = (ch->dir == PCMDIR_PLAY) ? &sc->rch : &sc->pch;
247 /* Deny request if other dma channel is active */
248 if (other->dma_active) {
249 ch->speed = other->speed;
258 alschan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
260 struct sc_chinfo *ch = data;
261 struct sc_info *sc = ch->parent;
263 if (blocksize > sc->bufsz / 2) {
264 blocksize = sc->bufsz / 2;
266 sndbuf_resize(ch->buffer, 2, blocksize);
271 alschan_getptr(kobj_t obj, void *data)
273 struct sc_chinfo *ch = data;
274 struct sc_info *sc = ch->parent;
277 snd_mtxlock(sc->lock);
278 pos = als_gcr_rd(ch->parent, ch->gcr_fifo_status) & 0xffff;
279 snd_mtxunlock(sc->lock);
280 sz = sndbuf_getsize(ch->buffer);
281 return (2 * sz - pos - 1) % sz;
284 static struct pcmchan_caps*
285 alschan_getcaps(kobj_t obj, void *data)
291 als_set_speed(struct sc_chinfo *ch)
293 struct sc_info *sc = ch->parent;
294 struct sc_chinfo *other;
296 other = (ch->dir == PCMDIR_PLAY) ? &sc->rch : &sc->pch;
297 if (other->dma_active == 0) {
298 als_esp_wr(sc, ALS_ESP_SAMPLE_RATE);
299 als_esp_wr(sc, ch->speed >> 8);
300 als_esp_wr(sc, ch->speed & 0xff);
302 DEB(kprintf("speed locked at %d (tried %d)\n",
303 other->speed, ch->speed));
307 /* ------------------------------------------------------------------------- */
308 /* Playback channel implementation */
310 #define ALS_8BIT_CMD(x, y) { (x), (y), DSP_DMA8, DSP_CMD_DMAPAUSE_8 }
311 #define ALS_16BIT_CMD(x, y) { (x), (y), DSP_DMA16, DSP_CMD_DMAPAUSE_16 }
313 struct playback_command {
314 u_int32_t pcm_format; /* newpcm format */
315 u_int8_t format_val; /* sb16 format value */
316 u_int8_t dma_prog; /* sb16 dma program */
317 u_int8_t dma_stop; /* sb16 stop register */
318 } static const playback_cmds[] = {
319 ALS_8BIT_CMD(AFMT_U8, DSP_MODE_U8MONO),
320 ALS_8BIT_CMD(AFMT_U8 | AFMT_STEREO, DSP_MODE_U8STEREO),
321 ALS_16BIT_CMD(AFMT_S16_LE, DSP_MODE_S16MONO),
322 ALS_16BIT_CMD(AFMT_S16_LE | AFMT_STEREO, DSP_MODE_S16STEREO),
325 static const struct playback_command*
326 als_get_playback_command(u_int32_t format)
330 n = NELEM(playback_cmds);
331 for (i = 0; i < n; i++) {
332 if (playback_cmds[i].pcm_format == format) {
333 return &playback_cmds[i];
336 DEB(kprintf("als_get_playback_command: invalid format 0x%08x\n",
338 return &playback_cmds[0];
342 als_playback_start(struct sc_chinfo *ch)
344 const struct playback_command *p;
345 struct sc_info *sc = ch->parent;
346 u_int32_t buf, bufsz, count, dma_prog;
348 buf = sndbuf_getbufaddr(ch->buffer);
349 bufsz = sndbuf_getsize(ch->buffer);
351 if (ch->format & AFMT_16BIT)
355 als_esp_wr(sc, DSP_CMD_SPKON);
358 als_gcr_wr(sc, ALS_GCR_DMA0_START, buf);
359 als_gcr_wr(sc, ALS_GCR_DMA0_MODE, (bufsz - 1) | 0x180000);
361 p = als_get_playback_command(ch->format);
362 dma_prog = p->dma_prog | DSP_F16_DAC | DSP_F16_AUTO | DSP_F16_FIFO_ON;
364 als_esp_wr(sc, dma_prog);
365 als_esp_wr(sc, p->format_val);
366 als_esp_wr(sc, count & 0xff);
367 als_esp_wr(sc, count >> 8);
373 als_playback_stop(struct sc_chinfo *ch)
375 const struct playback_command *p;
376 struct sc_info *sc = ch->parent;
379 active = ch->dma_active;
381 p = als_get_playback_command(ch->format);
382 als_esp_wr(sc, p->dma_stop);
389 alspchan_trigger(kobj_t obj, void *data, int go)
391 struct sc_chinfo *ch = data;
392 struct sc_info *sc = ch->parent;
394 snd_mtxlock(sc->lock);
397 als_playback_start(ch);
400 als_playback_stop(ch);
403 snd_mtxunlock(sc->lock);
407 static kobj_method_t alspchan_methods[] = {
408 KOBJMETHOD(channel_init, alschan_init),
409 KOBJMETHOD(channel_setformat, alschan_setformat),
410 KOBJMETHOD(channel_setspeed, alschan_setspeed),
411 KOBJMETHOD(channel_setblocksize, alschan_setblocksize),
412 KOBJMETHOD(channel_trigger, alspchan_trigger),
413 KOBJMETHOD(channel_getptr, alschan_getptr),
414 KOBJMETHOD(channel_getcaps, alschan_getcaps),
417 CHANNEL_DECLARE(alspchan);
419 /* ------------------------------------------------------------------------- */
420 /* Capture channel implementation */
423 als_get_fifo_format(struct sc_info *sc, u_int32_t format)
427 return ALS_FIFO1_8BIT;
428 case AFMT_U8 | AFMT_STEREO:
429 return ALS_FIFO1_8BIT | ALS_FIFO1_STEREO;
431 return ALS_FIFO1_SIGNED;
432 case AFMT_S16_LE | AFMT_STEREO:
433 return ALS_FIFO1_SIGNED | ALS_FIFO1_STEREO;
435 device_printf(sc->dev, "format not found: 0x%08x\n", format);
436 return ALS_FIFO1_8BIT;
440 als_capture_start(struct sc_chinfo *ch)
442 struct sc_info *sc = ch->parent;
443 u_int32_t buf, bufsz, count, dma_prog;
445 buf = sndbuf_getbufaddr(ch->buffer);
446 bufsz = sndbuf_getsize(ch->buffer);
448 if (ch->format & AFMT_16BIT)
452 als_esp_wr(sc, DSP_CMD_SPKON);
455 als_gcr_wr(sc, ALS_GCR_FIFO1_START, buf);
456 als_gcr_wr(sc, ALS_GCR_FIFO1_COUNT, (bufsz - 1));
458 als_mix_wr(sc, ALS_FIFO1_LENGTH_LO, count & 0xff);
459 als_mix_wr(sc, ALS_FIFO1_LENGTH_HI, count >> 8);
461 dma_prog = ALS_FIFO1_RUN | als_get_fifo_format(sc, ch->format);
462 als_mix_wr(sc, ALS_FIFO1_CONTROL, dma_prog);
468 als_capture_stop(struct sc_chinfo *ch)
470 struct sc_info *sc = ch->parent;
473 active = ch->dma_active;
475 als_mix_wr(sc, ALS_FIFO1_CONTROL, ALS_FIFO1_STOP);
482 alsrchan_trigger(kobj_t obj, void *data, int go)
484 struct sc_chinfo *ch = data;
485 struct sc_info *sc = ch->parent;
487 snd_mtxlock(sc->lock);
490 als_capture_start(ch);
493 als_capture_stop(ch);
496 snd_mtxunlock(sc->lock);
500 static kobj_method_t alsrchan_methods[] = {
501 KOBJMETHOD(channel_init, alschan_init),
502 KOBJMETHOD(channel_setformat, alschan_setformat),
503 KOBJMETHOD(channel_setspeed, alschan_setspeed),
504 KOBJMETHOD(channel_setblocksize, alschan_setblocksize),
505 KOBJMETHOD(channel_trigger, alsrchan_trigger),
506 KOBJMETHOD(channel_getptr, alschan_getptr),
507 KOBJMETHOD(channel_getcaps, alschan_getcaps),
510 CHANNEL_DECLARE(alsrchan);
512 /* ------------------------------------------------------------------------- */
516 * ALS4000 has an sb16 mixer, with some additional controls that we do
517 * not yet a means to support.
525 u_int8_t iselect; /* left input mask */
526 } static const amt[SOUND_MIXER_NRDEVICES] = {
527 [SOUND_MIXER_VOLUME] = { 0x30, 0x31, 5, 0x00, 0x00 },
528 [SOUND_MIXER_PCM] = { 0x32, 0x33, 5, 0x00, 0x00 },
529 [SOUND_MIXER_SYNTH] = { 0x34, 0x35, 5, 0x60, 0x40 },
530 [SOUND_MIXER_CD] = { 0x36, 0x37, 5, 0x06, 0x04 },
531 [SOUND_MIXER_LINE] = { 0x38, 0x39, 5, 0x18, 0x10 },
532 [SOUND_MIXER_MIC] = { 0x3a, 0x00, 5, 0x01, 0x01 },
533 [SOUND_MIXER_SPEAKER] = { 0x3b, 0x00, 2, 0x00, 0x00 },
534 [SOUND_MIXER_IGAIN] = { 0x3f, 0x40, 2, 0x00, 0x00 },
535 [SOUND_MIXER_OGAIN] = { 0x41, 0x42, 2, 0x00, 0x00 },
536 /* The following have register values but no h/w implementation */
537 [SOUND_MIXER_TREBLE] = { 0x44, 0x45, 4, 0x00, 0x00 },
538 [SOUND_MIXER_BASS] = { 0x46, 0x47, 4, 0x00, 0x00 }
542 alsmix_init(struct snd_mixer *m)
546 for (i = v = 0; i < SOUND_MIXER_NRDEVICES; i++) {
547 if (amt[i].bits) v |= 1 << i;
551 for (i = v = 0; i < SOUND_MIXER_NRDEVICES; i++) {
552 if (amt[i].iselect) v |= 1 << i;
554 mix_setrecdevs(m, v);
559 alsmix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
561 struct sc_info *sc = mix_getdevinfo(m);
562 u_int32_t r, l, v, mask;
564 /* Fill upper n bits in mask with 1's */
565 mask = ((1 << amt[dev].bits) - 1) << (8 - amt[dev].bits);
567 l = (left * mask / 100) & mask;
568 v = als_mix_rd(sc, amt[dev].lreg) & ~mask;
569 als_mix_wr(sc, amt[dev].lreg, l | v);
572 r = (right * mask / 100) & mask;
573 v = als_mix_rd(sc, amt[dev].rreg) & ~mask;
574 als_mix_wr(sc, amt[dev].rreg, r | v);
579 /* Zero gain does not mute channel from output, but this does. */
580 v = als_mix_rd(sc, SB16_OMASK);
581 if (l == 0 && r == 0) {
582 v &= ~amt[dev].oselect;
584 v |= amt[dev].oselect;
586 als_mix_wr(sc, SB16_OMASK, v);
591 alsmix_setrecsrc(struct snd_mixer *m, u_int32_t src)
593 struct sc_info *sc = mix_getdevinfo(m);
596 for (i = l = r = 0; i < SOUND_MIXER_NRDEVICES; i++) {
597 if (src & (1 << i)) {
598 if (amt[i].iselect == 1) { /* microphone */
603 r |= amt[i].iselect >> 1;
608 als_mix_wr(sc, SB16_IMASK_L, l);
609 als_mix_wr(sc, SB16_IMASK_R, r);
613 static kobj_method_t als_mixer_methods[] = {
614 KOBJMETHOD(mixer_init, alsmix_init),
615 KOBJMETHOD(mixer_set, alsmix_set),
616 KOBJMETHOD(mixer_setrecsrc, alsmix_setrecsrc),
619 MIXER_DECLARE(als_mixer);
621 /* ------------------------------------------------------------------------- */
622 /* Interrupt Handler */
627 struct sc_info *sc = (struct sc_info *)p;
628 u_int8_t intr, sb_status;
630 snd_mtxlock(sc->lock);
631 intr = als_intr_rd(sc);
634 snd_mtxunlock(sc->lock);
635 chn_intr(sc->pch.channel);
636 snd_mtxlock(sc->lock);
640 snd_mtxunlock(sc->lock);
641 chn_intr(sc->rch.channel);
642 snd_mtxlock(sc->lock);
645 /* ACK interrupt in PCI core */
646 als_intr_wr(sc, intr);
648 /* ACK interrupt in SB core */
649 sb_status = als_mix_rd(sc, IRQ_STAT);
651 if (sb_status & ALS_IRQ_STATUS8)
652 als_ack_read(sc, ALS_ESP_RD_STATUS8);
653 if (sb_status & ALS_IRQ_STATUS16)
654 als_ack_read(sc, ALS_ESP_RD_STATUS16);
655 if (sb_status & ALS_IRQ_MPUIN)
656 als_ack_read(sc, ALS_MIDI_DATA);
657 if (sb_status & ALS_IRQ_CR1E)
658 als_ack_read(sc, ALS_CR1E_ACK_PORT);
660 snd_mtxunlock(sc->lock);
664 /* ------------------------------------------------------------------------- */
665 /* H/W initialization */
668 als_init(struct sc_info *sc)
673 if (als_esp_reset(sc)) {
677 /* Enable write on DMA_SETUP register */
678 v = als_mix_rd(sc, ALS_SB16_CONFIG);
679 als_mix_wr(sc, ALS_SB16_CONFIG, v | 0x80);
682 als_mix_wr(sc, ALS_SB16_DMA_SETUP, 0x01);
684 /* Disable write on DMA_SETUP register */
685 als_mix_wr(sc, ALS_SB16_CONFIG, v & 0x7f);
687 /* Enable interrupts */
688 v = als_gcr_rd(sc, ALS_GCR_MISC);
689 als_gcr_wr(sc, ALS_GCR_MISC, v | 0x28000);
691 /* Black out GCR DMA registers */
692 for (i = 0x91; i <= 0x96; i++) {
693 als_gcr_wr(sc, i, 0);
697 v = als_gcr_rd(sc, ALS_GCR_DMA_EMULATION);
698 als_gcr_wr(sc, ALS_GCR_DMA_EMULATION, v);
699 DEB(kprintf("GCR_DMA_EMULATION 0x%08x\n", v));
704 als_uninit(struct sc_info *sc)
706 /* Disable interrupts */
707 als_gcr_wr(sc, ALS_GCR_MISC, 0);
710 /* ------------------------------------------------------------------------- */
711 /* Probe and attach card */
714 als_pci_probe(device_t dev)
716 if (pci_get_devid(dev) == ALS_PCI_ID0) {
717 device_set_desc(dev, "Avance Logic ALS4000");
718 return BUS_PROBE_DEFAULT;
724 als_resource_free(device_t dev, struct sc_info *sc)
727 bus_release_resource(dev, SYS_RES_IOPORT, sc->regid, sc->reg);
731 bus_teardown_intr(dev, sc->irq, sc->ih);
735 bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq);
738 if (sc->parent_dmat) {
739 bus_dma_tag_destroy(sc->parent_dmat);
743 snd_mtxfree(sc->lock);
749 als_resource_grab(device_t dev, struct sc_info *sc)
751 sc->regid = PCIR_BAR(0);
752 sc->reg = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->regid, 0, ~0,
753 ALS_CONFIG_SPACE_BYTES, RF_ACTIVE);
755 device_printf(dev, "unable to allocate register space\n");
758 sc->st = rman_get_bustag(sc->reg);
759 sc->sh = rman_get_bushandle(sc->reg);
761 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irqid,
762 RF_ACTIVE | RF_SHAREABLE);
764 device_printf(dev, "unable to allocate interrupt\n");
768 if (snd_setup_intr(dev, sc->irq, INTR_MPSAFE, als_intr,
770 device_printf(dev, "unable to setup interrupt\n");
774 sc->bufsz = pcm_getbuffersize(dev, 4096, ALS_DEFAULT_BUFSZ, 65536);
776 if (bus_dma_tag_create(/*parent*/NULL,
777 /*alignment*/2, /*boundary*/0,
778 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
779 /*highaddr*/BUS_SPACE_MAXADDR,
780 /*filter*/NULL, /*filterarg*/NULL,
781 /*maxsize*/sc->bufsz,
782 /*nsegments*/1, /*maxsegz*/0x3ffff,
784 &sc->parent_dmat) != 0) {
785 device_printf(dev, "unable to create dma tag\n");
790 als_resource_free(dev, sc);
795 als_pci_attach(device_t dev)
799 char status[SND_STATUSLEN];
801 sc = kmalloc(sizeof(*sc), M_DEVBUF, M_WAITOK | M_ZERO);
802 sc->lock = snd_mtxcreate(device_get_nameunit(dev), "sound softc");
805 data = pci_read_config(dev, PCIR_COMMAND, 2);
806 data |= (PCIM_CMD_PORTEN | PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN);
807 pci_write_config(dev, PCIR_COMMAND, data, 2);
809 * By default the power to the various components on the
810 * ALS4000 is entirely controlled by the pci powerstate. We
811 * could attempt finer grained control by setting GCR6.31.
813 #if __FreeBSD_version > 500000
814 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) {
815 /* Reset the power state. */
816 device_printf(dev, "chip is in D%d power mode "
817 "-- setting to D0\n", pci_get_powerstate(dev));
818 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
821 data = pci_read_config(dev, ALS_PCI_POWERREG, 2);
822 if ((data & 0x03) != 0) {
823 device_printf(dev, "chip is in D%d power mode "
824 "-- setting to D0\n", data & 0x03);
826 pci_write_config(dev, ALS_PCI_POWERREG, data, 2);
830 if (als_resource_grab(dev, sc)) {
831 device_printf(dev, "failed to allocate resources\n");
836 device_printf(dev, "failed to initialize hardware\n");
840 if (mixer_init(dev, &als_mixer_class, sc)) {
841 device_printf(dev, "failed to initialize mixer\n");
845 if (pcm_register(dev, sc, 1, 1)) {
846 device_printf(dev, "failed to register pcm entries\n");
850 pcm_addchan(dev, PCMDIR_PLAY, &alspchan_class, sc);
851 pcm_addchan(dev, PCMDIR_REC, &alsrchan_class, sc);
853 ksnprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld %s",
854 rman_get_start(sc->reg), rman_get_start(sc->irq),PCM_KLDSTRING(snd_als4000));
855 pcm_setstatus(dev, status);
859 als_resource_free(dev, sc);
865 als_pci_detach(device_t dev)
870 r = pcm_unregister(dev);
874 sc = pcm_getdevinfo(dev);
876 als_resource_free(dev, sc);
882 als_pci_suspend(device_t dev)
884 struct sc_info *sc = pcm_getdevinfo(dev);
886 snd_mtxlock(sc->lock);
887 sc->pch.dma_was_active = als_playback_stop(&sc->pch);
888 sc->rch.dma_was_active = als_capture_stop(&sc->rch);
890 snd_mtxunlock(sc->lock);
895 als_pci_resume(device_t dev)
897 struct sc_info *sc = pcm_getdevinfo(dev);
900 snd_mtxlock(sc->lock);
901 if (als_init(sc) != 0) {
902 device_printf(dev, "unable to reinitialize the card\n");
903 snd_mtxunlock(sc->lock);
907 if (mixer_reinit(dev) != 0) {
908 device_printf(dev, "unable to reinitialize the mixer\n");
909 snd_mtxunlock(sc->lock);
913 if (sc->pch.dma_was_active) {
914 als_playback_start(&sc->pch);
917 if (sc->rch.dma_was_active) {
918 als_capture_start(&sc->rch);
920 snd_mtxunlock(sc->lock);
925 static device_method_t als_methods[] = {
926 /* Device interface */
927 DEVMETHOD(device_probe, als_pci_probe),
928 DEVMETHOD(device_attach, als_pci_attach),
929 DEVMETHOD(device_detach, als_pci_detach),
930 DEVMETHOD(device_suspend, als_pci_suspend),
931 DEVMETHOD(device_resume, als_pci_resume),
935 static driver_t als_driver = {
941 DRIVER_MODULE(snd_als4000, pci, als_driver, pcm_devclass, NULL, NULL);
942 MODULE_DEPEND(snd_als4000, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
943 MODULE_VERSION(snd_als4000, 1);