2 * Copyright (c) 2000 Dmitry Dicky diwil@dataart.com
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, WHETHER IN 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 THE POSSIBILITY OF
26 * $FreeBSD: src/sys/dev/sound/pci/fm801.c,v 1.3.2.8 2002/12/24 21:17:42 semenu Exp $
27 * $DragonFly: src/sys/dev/sound/pci/fm801.c,v 1.8 2006/12/20 18:14:40 dillon Exp $
30 #include <dev/sound/pcm/sound.h>
31 #include <dev/sound/pcm/ac97.h>
32 #include <bus/pci/pcireg.h>
33 #include <bus/pci/pcivar.h>
35 SND_DECLARE_FILE("$DragonFly: src/sys/dev/sound/pci/fm801.c,v 1.8 2006/12/20 18:14:40 dillon Exp $");
37 #define PCI_VENDOR_FORTEMEDIA 0x1319
38 #define PCI_DEVICE_FORTEMEDIA1 0x08011319
39 #define PCI_DEVICE_FORTEMEDIA2 0x08021319 /* ??? have no idea what's this... */
41 #define FM_PCM_VOLUME 0x00
42 #define FM_FM_VOLUME 0x02
43 #define FM_I2S_VOLUME 0x04
44 #define FM_RECORD_SOURCE 0x06
46 #define FM_PLAY_CTL 0x08
47 #define FM_PLAY_RATE_MASK 0x0f00
48 #define FM_PLAY_BUF1_LAST 0x0001
49 #define FM_PLAY_BUF2_LAST 0x0002
50 #define FM_PLAY_START 0x0020
51 #define FM_PLAY_PAUSE 0x0040
52 #define FM_PLAY_STOPNOW 0x0080
53 #define FM_PLAY_16BIT 0x4000
54 #define FM_PLAY_STEREO 0x8000
56 #define FM_PLAY_DMALEN 0x0a
57 #define FM_PLAY_DMABUF1 0x0c
58 #define FM_PLAY_DMABUF2 0x10
61 #define FM_REC_CTL 0x14
62 #define FM_REC_RATE_MASK 0x0f00
63 #define FM_REC_BUF1_LAST 0x0001
64 #define FM_REC_BUF2_LAST 0x0002
65 #define FM_REC_START 0x0020
66 #define FM_REC_PAUSE 0x0040
67 #define FM_REC_STOPNOW 0x0080
68 #define FM_REC_16BIT 0x4000
69 #define FM_REC_STEREO 0x8000
72 #define FM_REC_DMALEN 0x16
73 #define FM_REC_DMABUF1 0x18
74 #define FM_REC_DMABUF2 0x1c
76 #define FM_CODEC_CTL 0x22
77 #define FM_VOLUME 0x26
78 #define FM_VOLUME_MUTE 0x8000
80 #define FM_CODEC_CMD 0x2a
81 #define FM_CODEC_CMD_READ 0x0080
82 #define FM_CODEC_CMD_VALID 0x0100
83 #define FM_CODEC_CMD_BUSY 0x0200
85 #define FM_CODEC_DATA 0x2c
87 #define FM_IO_CTL 0x52
88 #define FM_CARD_CTL 0x54
90 #define FM_INTMASK 0x56
91 #define FM_INTMASK_PLAY 0x0001
92 #define FM_INTMASK_REC 0x0002
93 #define FM_INTMASK_VOL 0x0040
94 #define FM_INTMASK_MPU 0x0080
96 #define FM_INTSTATUS 0x5a
97 #define FM_INTSTATUS_PLAY 0x0100
98 #define FM_INTSTATUS_REC 0x0200
99 #define FM_INTSTATUS_VOL 0x4000
100 #define FM_INTSTATUS_MPU 0x8000
102 #define FM801_DEFAULT_BUFSZ 4096 /* Other values do not work!!! */
105 #define DPRINT if(0) printf
108 static int fm801ch_setup(struct pcm_channel *c);
111 static u_int32_t fmts[] = {
113 AFMT_STEREO | AFMT_U8,
115 AFMT_STEREO | AFMT_S16_LE,
119 static struct pcmchan_caps fm801ch_caps = {
126 struct fm801_chinfo {
127 struct fm801_info *parent;
128 struct pcm_channel *channel;
129 struct snd_dbuf *buffer;
130 u_int32_t spd, dir, fmt; /* speed, direction, format */
137 bus_space_handle_t sh;
138 bus_dma_tag_t parent_dmat;
144 struct resource *reg, *irq;
145 int regtype, regid, irqid;
166 struct fm801_chinfo pch, rch;
171 /* Bus Read / Write routines */
173 fm801_rd(struct fm801_info *fm801, int regno, int size)
177 return (bus_space_read_1(fm801->st, fm801->sh, regno));
179 return (bus_space_read_2(fm801->st, fm801->sh, regno));
181 return (bus_space_read_4(fm801->st, fm801->sh, regno));
188 fm801_wr(struct fm801_info *fm801, int regno, u_int32_t data, int size)
193 bus_space_write_1(fm801->st, fm801->sh, regno, data);
196 bus_space_write_2(fm801->st, fm801->sh, regno, data);
199 bus_space_write_4(fm801->st, fm801->sh, regno, data);
204 /* -------------------------------------------------------------------- */
206 * ac97 codec routines
210 fm801_rdcd(kobj_t obj, void *devinfo, int regno)
212 struct fm801_info *fm801 = (struct fm801_info *)devinfo;
215 for (i = 0; i < TIMO && fm801_rd(fm801,FM_CODEC_CMD,2) & FM_CODEC_CMD_BUSY; i++) {
217 DPRINT("fm801 rdcd: 1 - DELAY\n");
220 printf("fm801 rdcd: codec busy\n");
224 fm801_wr(fm801,FM_CODEC_CMD, regno|FM_CODEC_CMD_READ,2);
226 for (i = 0; i < TIMO && !(fm801_rd(fm801,FM_CODEC_CMD,2) & FM_CODEC_CMD_VALID); i++)
229 DPRINT("fm801 rdcd: 2 - DELAY\n");
232 printf("fm801 rdcd: write codec invalid\n");
236 return fm801_rd(fm801,FM_CODEC_DATA,2);
240 fm801_wrcd(kobj_t obj, void *devinfo, int regno, u_int32_t data)
242 struct fm801_info *fm801 = (struct fm801_info *)devinfo;
245 DPRINT("fm801_wrcd reg 0x%x val 0x%x\n",regno, data);
247 if(regno == AC97_REG_RECSEL) return;
249 /* Poll until codec is ready */
250 for (i = 0; i < TIMO && fm801_rd(fm801,FM_CODEC_CMD,2) & FM_CODEC_CMD_BUSY; i++) {
252 DPRINT("fm801 rdcd: 1 - DELAY\n");
255 printf("fm801 wrcd: read codec busy\n");
259 fm801_wr(fm801,FM_CODEC_DATA,data, 2);
260 fm801_wr(fm801,FM_CODEC_CMD, regno,2);
262 /* wait until codec is ready */
263 for (i = 0; i < TIMO && fm801_rd(fm801,FM_CODEC_CMD,2) & FM_CODEC_CMD_BUSY; i++) {
265 DPRINT("fm801 wrcd: 2 - DELAY\n");
268 printf("fm801 wrcd: read codec busy\n");
271 DPRINT("fm801 wrcd release reg 0x%x val 0x%x\n",regno, data);
275 static kobj_method_t fm801_ac97_methods[] = {
276 KOBJMETHOD(ac97_read, fm801_rdcd),
277 KOBJMETHOD(ac97_write, fm801_wrcd),
280 AC97_DECLARE(fm801_ac97);
282 /* -------------------------------------------------------------------- */
285 * The interrupt handler
290 struct fm801_info *fm801 = (struct fm801_info *)p;
291 u_int32_t intsrc = fm801_rd(fm801, FM_INTSTATUS, 2);
293 DPRINT("\nfm801_intr intsrc 0x%x ", intsrc);
295 if(intsrc & FM_INTSTATUS_PLAY) {
297 if(fm801->play_flip & 1) {
298 fm801_wr(fm801, FM_PLAY_DMABUF1, fm801->play_start,4);
300 fm801_wr(fm801, FM_PLAY_DMABUF2, fm801->play_nextblk,4);
301 chn_intr(fm801->pch.channel);
304 if(intsrc & FM_INTSTATUS_REC) {
306 if(fm801->rec_flip & 1) {
307 fm801_wr(fm801, FM_REC_DMABUF1, fm801->rec_start,4);
309 fm801_wr(fm801, FM_REC_DMABUF2, fm801->rec_nextblk,4);
310 chn_intr(fm801->rch.channel);
313 if ( intsrc & FM_INTSTATUS_MPU ) {
314 /* This is a TODOish thing... */
315 fm801_wr(fm801, FM_INTSTATUS, intsrc & FM_INTSTATUS_MPU,2);
318 if ( intsrc & FM_INTSTATUS_VOL ) {
319 /* This is a TODOish thing... */
320 fm801_wr(fm801, FM_INTSTATUS, intsrc & FM_INTSTATUS_VOL,2);
323 DPRINT("fm801_intr clear\n\n");
324 fm801_wr(fm801, FM_INTSTATUS, intsrc & (FM_INTSTATUS_PLAY | FM_INTSTATUS_REC), 2);
327 /* -------------------------------------------------------------------- */
328 /* channel interface */
330 fm801ch_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
332 struct fm801_info *fm801 = (struct fm801_info *)devinfo;
333 struct fm801_chinfo *ch = (dir == PCMDIR_PLAY)? &fm801->pch : &fm801->rch;
335 DPRINT("fm801ch_init, direction = %d\n", dir);
340 if (sndbuf_alloc(ch->buffer, fm801->parent_dmat, fm801->bufsz) == -1) return NULL;
345 fm801ch_setformat(kobj_t obj, void *data, u_int32_t format)
347 struct fm801_chinfo *ch = data;
348 struct fm801_info *fm801 = ch->parent;
350 DPRINT("fm801ch_setformat 0x%x : %s, %s, %s, %s\n", format,
351 (format & AFMT_STEREO)?"stereo":"mono",
352 (format & (AFMT_S16_LE | AFMT_S16_BE | AFMT_U16_LE | AFMT_U16_BE)) ? "16bit":"8bit",
353 (format & AFMT_SIGNED)? "signed":"unsigned",
354 (format & AFMT_BIGENDIAN)?"bigendiah":"littleendian" );
356 if(ch->dir == PCMDIR_PLAY) {
357 fm801->play_fmt = (format & AFMT_STEREO)? FM_PLAY_STEREO : 0;
358 fm801->play_fmt |= (format & AFMT_16BIT) ? FM_PLAY_16BIT : 0;
362 if(ch->dir == PCMDIR_REC ) {
363 fm801->rec_fmt = (format & AFMT_STEREO)? FM_REC_STEREO:0;
364 fm801->rec_fmt |= (format & AFMT_16BIT) ? FM_PLAY_16BIT : 0;
374 } fm801_rates[11] = {
386 /* anything above -> 48000 */
390 fm801ch_setspeed(kobj_t obj, void *data, u_int32_t speed)
392 struct fm801_chinfo *ch = data;
393 struct fm801_info *fm801 = ch->parent;
397 for (i = 0; i < 10 && fm801_rates[i].limit <= speed; i++) ;
399 if(ch->dir == PCMDIR_PLAY) {
400 fm801->pch.spd = fm801_rates[i].rate;
401 fm801->play_shift = (i<<8);
402 fm801->play_shift &= FM_PLAY_RATE_MASK;
405 if(ch->dir == PCMDIR_REC ) {
406 fm801->rch.spd = fm801_rates[i].rate;
407 fm801->rec_shift = (i<<8);
408 fm801->rec_shift &= FM_REC_RATE_MASK;
411 ch->spd = fm801_rates[i].rate;
413 return fm801_rates[i].rate;
417 fm801ch_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
419 struct fm801_chinfo *ch = data;
420 struct fm801_info *fm801 = ch->parent;
422 if(ch->dir == PCMDIR_PLAY) {
423 if(fm801->play_flip) return fm801->play_blksize;
424 fm801->play_blksize = blocksize;
427 if(ch->dir == PCMDIR_REC) {
428 if(fm801->rec_flip) return fm801->rec_blksize;
429 fm801->rec_blksize = blocksize;
432 DPRINT("fm801ch_setblocksize %d (dir %d)\n",blocksize, ch->dir);
438 fm801ch_trigger(kobj_t obj, void *data, int go)
440 struct fm801_chinfo *ch = data;
441 struct fm801_info *fm801 = ch->parent;
442 u_int32_t baseaddr = vtophys(sndbuf_getbuf(ch->buffer));
445 DPRINT("fm801ch_trigger go %d , ", go);
447 if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD) {
451 if (ch->dir == PCMDIR_PLAY) {
452 if (go == PCMTRIG_START) {
454 fm801->play_start = baseaddr;
455 fm801->play_nextblk = fm801->play_start + fm801->play_blksize;
456 fm801->play_flip = 0;
457 fm801_wr(fm801, FM_PLAY_DMALEN, fm801->play_blksize - 1, 2);
458 fm801_wr(fm801, FM_PLAY_DMABUF1,fm801->play_start,4);
459 fm801_wr(fm801, FM_PLAY_DMABUF2,fm801->play_nextblk,4);
460 fm801_wr(fm801, FM_PLAY_CTL,
461 FM_PLAY_START | FM_PLAY_STOPNOW | fm801->play_fmt | fm801->play_shift,
464 fm801->play_flip = 0;
465 k1 = fm801_rd(fm801, FM_PLAY_CTL,2);
466 fm801_wr(fm801, FM_PLAY_CTL,
467 (k1 & ~(FM_PLAY_STOPNOW | FM_PLAY_START)) |
468 FM_PLAY_BUF1_LAST | FM_PLAY_BUF2_LAST, 2 );
470 } else if(ch->dir == PCMDIR_REC) {
471 if (go == PCMTRIG_START) {
472 fm801->rec_start = baseaddr;
473 fm801->rec_nextblk = fm801->rec_start + fm801->rec_blksize;
475 fm801_wr(fm801, FM_REC_DMALEN, fm801->rec_blksize - 1, 2);
476 fm801_wr(fm801, FM_REC_DMABUF1,fm801->rec_start,4);
477 fm801_wr(fm801, FM_REC_DMABUF2,fm801->rec_nextblk,4);
478 fm801_wr(fm801, FM_REC_CTL,
479 FM_REC_START | FM_REC_STOPNOW | fm801->rec_fmt | fm801->rec_shift,
483 k1 = fm801_rd(fm801, FM_REC_CTL,2);
484 fm801_wr(fm801, FM_REC_CTL,
485 (k1 & ~(FM_REC_STOPNOW | FM_REC_START)) |
486 FM_REC_BUF1_LAST | FM_REC_BUF2_LAST, 2);
493 /* Almost ALSA copy */
495 fm801ch_getptr(kobj_t obj, void *data)
497 struct fm801_chinfo *ch = data;
498 struct fm801_info *fm801 = ch->parent;
501 if (ch->dir == PCMDIR_PLAY) {
502 result = fm801_rd(fm801,
503 (fm801->play_flip&1) ?
504 FM_PLAY_DMABUF2:FM_PLAY_DMABUF1, 4) - fm801->play_start;
507 if (ch->dir == PCMDIR_REC) {
508 result = fm801_rd(fm801,
509 (fm801->rec_flip&1) ?
510 FM_REC_DMABUF2:FM_REC_DMABUF1, 4) - fm801->rec_start;
516 static struct pcmchan_caps *
517 fm801ch_getcaps(kobj_t obj, void *data)
519 return &fm801ch_caps;
522 static kobj_method_t fm801ch_methods[] = {
523 KOBJMETHOD(channel_init, fm801ch_init),
524 KOBJMETHOD(channel_setformat, fm801ch_setformat),
525 KOBJMETHOD(channel_setspeed, fm801ch_setspeed),
526 KOBJMETHOD(channel_setblocksize, fm801ch_setblocksize),
527 KOBJMETHOD(channel_trigger, fm801ch_trigger),
528 KOBJMETHOD(channel_getptr, fm801ch_getptr),
529 KOBJMETHOD(channel_getcaps, fm801ch_getcaps),
532 CHANNEL_DECLARE(fm801ch);
534 /* -------------------------------------------------------------------- */
537 * Init routine is taken from an original NetBSD driver
540 fm801_init(struct fm801_info *fm801)
545 fm801_wr(fm801, FM_CODEC_CTL, 0x0020,2);
547 fm801_wr(fm801, FM_CODEC_CTL, 0x0000,2);
550 fm801_wr(fm801, FM_PCM_VOLUME, 0x0808,2);
551 fm801_wr(fm801, FM_FM_VOLUME, 0x0808,2);
552 fm801_wr(fm801, FM_I2S_VOLUME, 0x0808,2);
553 fm801_wr(fm801, 0x40,0x107f,2); /* enable legacy audio */
555 fm801_wr((void *)fm801, FM_RECORD_SOURCE, 0x0000,2);
557 /* Unmask playback, record and mpu interrupts, mask the rest */
558 k1 = fm801_rd((void *)fm801, FM_INTMASK,2);
559 fm801_wr(fm801, FM_INTMASK,
560 (k1 & ~(FM_INTMASK_PLAY | FM_INTMASK_REC | FM_INTMASK_MPU)) |
562 fm801_wr(fm801, FM_INTSTATUS,
563 FM_INTSTATUS_PLAY | FM_INTSTATUS_REC | FM_INTSTATUS_MPU |
566 DPRINT("FM801 init Ok\n");
571 fm801_pci_attach(device_t dev)
574 struct ac97_info *codec = 0;
575 struct fm801_info *fm801;
578 char status[SND_STATUSLEN];
580 if ((fm801 = (struct fm801_info *)kmalloc(sizeof(*fm801), M_DEVBUF, M_NOWAIT | M_ZERO)) == NULL) {
581 device_printf(dev, "cannot allocate softc\n");
585 fm801->type = pci_get_devid(dev);
587 data = pci_read_config(dev, PCIR_COMMAND, 2);
588 data |= (PCIM_CMD_PORTEN|PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN);
589 pci_write_config(dev, PCIR_COMMAND, data, 2);
590 data = pci_read_config(dev, PCIR_COMMAND, 2);
592 for (i = 0; (mapped == 0) && (i < PCI_MAXMAPS_0); i++) {
593 fm801->regid = PCIR_MAPS + i*4;
594 fm801->regtype = SYS_RES_MEMORY;
595 fm801->reg = bus_alloc_resource(dev, fm801->regtype, &fm801->regid,
596 0, ~0, 1, RF_ACTIVE);
599 fm801->regtype = SYS_RES_IOPORT;
600 fm801->reg = bus_alloc_resource(dev, fm801->regtype, &fm801->regid,
601 0, ~0, 1, RF_ACTIVE);
605 fm801->st = rman_get_bustag(fm801->reg);
606 fm801->sh = rman_get_bushandle(fm801->reg);
612 device_printf(dev, "unable to map register space\n");
616 fm801->bufsz = pcm_getbuffersize(dev, 4096, FM801_DEFAULT_BUFSZ, 65536);
620 codec = AC97_CREATE(dev, fm801, fm801_ac97);
621 if (codec == NULL) goto oops;
623 if (mixer_init(dev, ac97_getmixerclass(), codec) == -1) goto oops;
626 fm801->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &fm801->irqid,
627 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
628 if (!fm801->irq || snd_setup_intr(dev, fm801->irq, 0, fm801_intr, fm801, &fm801->ih, NULL)) {
629 device_printf(dev, "unable to map interrupt\n");
633 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
634 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
635 /*highaddr*/BUS_SPACE_MAXADDR,
636 /*filter*/NULL, /*filterarg*/NULL,
637 /*maxsize*/fm801->bufsz, /*nsegments*/1, /*maxsegz*/0x3ffff,
638 /*flags*/0, &fm801->parent_dmat) != 0) {
639 device_printf(dev, "unable to create dma tag\n");
643 ksnprintf(status, 64, "at %s 0x%lx irq %ld",
644 (fm801->regtype == SYS_RES_IOPORT)? "io" : "memory",
645 rman_get_start(fm801->reg), rman_get_start(fm801->irq));
647 #define FM801_MAXPLAYCH 1
648 if (pcm_register(dev, fm801, FM801_MAXPLAYCH, 1)) goto oops;
649 pcm_addchan(dev, PCMDIR_PLAY, &fm801ch_class, fm801);
650 pcm_addchan(dev, PCMDIR_REC, &fm801ch_class, fm801);
651 pcm_setstatus(dev, status);
653 fm801->radio = device_add_child(dev, "radio", -1);
654 bus_generic_attach(dev);
659 if (codec) ac97_destroy(codec);
660 if (fm801->reg) bus_release_resource(dev, fm801->regtype, fm801->regid, fm801->reg);
661 if (fm801->ih) bus_teardown_intr(dev, fm801->irq, fm801->ih);
662 if (fm801->irq) bus_release_resource(dev, SYS_RES_IRQ, fm801->irqid, fm801->irq);
663 if (fm801->parent_dmat) bus_dma_tag_destroy(fm801->parent_dmat);
664 kfree(fm801, M_DEVBUF);
669 fm801_pci_detach(device_t dev)
672 struct fm801_info *fm801;
674 DPRINT("Forte Media FM801 detach\n");
676 fm801 = pcm_getdevinfo(dev);
678 r = bus_generic_detach(dev);
681 if (fm801->radio != NULL) {
682 r = device_delete_child(dev, fm801->radio);
688 r = pcm_unregister(dev);
692 bus_release_resource(dev, fm801->regtype, fm801->regid, fm801->reg);
693 bus_teardown_intr(dev, fm801->irq, fm801->ih);
694 bus_release_resource(dev, SYS_RES_IRQ, fm801->irqid, fm801->irq);
695 bus_dma_tag_destroy(fm801->parent_dmat);
696 kfree(fm801, M_DEVBUF);
701 fm801_pci_probe( device_t dev )
704 int id, regtype, regid, result;
705 struct resource *reg;
707 bus_space_handle_t sh;
711 if ((id = pci_get_devid(dev)) == PCI_DEVICE_FORTEMEDIA1 ) {
712 data = pci_read_config(dev, PCIR_COMMAND, 2);
713 data |= (PCIM_CMD_PORTEN|PCIM_CMD_BUSMASTEREN);
714 pci_write_config(dev, PCIR_COMMAND, data, 2);
715 data = pci_read_config(dev, PCIR_COMMAND, 2);
718 regtype = SYS_RES_IOPORT;
719 reg = bus_alloc_resource(dev, regtype, ®id, 0, ~0, 1,
725 st = rman_get_bustag(reg);
726 sh = rman_get_bushandle(reg);
728 * XXX: quick check that device actually has sound capabilities.
729 * The problem is that some cards built around FM801 chip only
730 * have radio tuner onboard, but no sound capabilities. There
731 * is no "official" way to quickly check this, because all
732 * IDs are exactly the same. The only difference is 0x28
733 * device control register, described in FM801 specification
734 * as "SRC/Mixer Test Control/DFC Status", but without
735 * any more detailed explanation. According to specs, and
736 * available sample cards (SF256-PCP-R and SF256-PCS-R) its
737 * power-on value should be `0', while on AC97-less tuner
738 * card (SF64-PCR) it was 0x80.
741 * HACK (on top of the hack above?)
742 * Unfortunately, some fully-sound-capable cards, like the
743 * TerraTec 512i, return 0x80. I don't know of any other
744 * differences to detect between the cards. As I have one
745 * of these cards but not an SF64-PCR, I'd prefer to have
746 * the card work, as would others with the same card.
747 * Therefore, not knowing better, disable this check.
749 #ifdef I_HAVE_SF64_PCR
750 if (bus_space_read_1(st, sh, 0x28) == 0) {
753 "Forte Media FM801 Audio Controller");
755 #ifdef I_HAVE_SF64_PCR
759 bus_release_resource(dev, regtype, regid, reg);
762 if ((id = pci_get_devid(dev)) == PCI_DEVICE_FORTEMEDIA2 ) {
763 device_set_desc(dev, "Forte Media FM801 Joystick (Not Supported)");
770 static struct resource *
771 fm801_alloc_resource(device_t bus, device_t child, int type, int *rid,
772 u_long start, u_long end, u_long count, u_int flags)
774 struct fm801_info *fm801;
776 fm801 = pcm_getdevinfo(bus);
778 if (type == SYS_RES_IOPORT && *rid == PCIR_MAPS)
785 fm801_release_resource(device_t bus, device_t child, int type, int rid,
791 static device_method_t fm801_methods[] = {
792 /* Device interface */
793 DEVMETHOD(device_probe, fm801_pci_probe),
794 DEVMETHOD(device_attach, fm801_pci_attach),
795 DEVMETHOD(device_detach, fm801_pci_detach),
796 DEVMETHOD(device_shutdown, bus_generic_shutdown),
797 DEVMETHOD(device_suspend, bus_generic_suspend),
798 DEVMETHOD(device_resume, bus_generic_resume),
801 DEVMETHOD(bus_print_child, bus_generic_print_child),
802 DEVMETHOD(bus_alloc_resource, fm801_alloc_resource),
803 DEVMETHOD(bus_release_resource, fm801_release_resource),
804 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
805 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
809 static driver_t fm801_driver = {
815 DRIVER_MODULE(snd_fm801, pci, fm801_driver, pcm_devclass, 0, 0);
816 MODULE_DEPEND(snd_fm801, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER);
817 MODULE_VERSION(snd_fm801, 1);