/* * Copyright (c) 2000 Dmitry Dicky diwil@dataart.com * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS `AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include #include #include #include SND_DECLARE_FILE("$FreeBSD$"); #define PCI_VENDOR_FORTEMEDIA 0x1319 #define PCI_DEVICE_FORTEMEDIA1 0x08011319 #define PCI_DEVICE_FORTEMEDIA2 0x08021319 /* ??? have no idea what's this... */ #define FM_PCM_VOLUME 0x00 #define FM_FM_VOLUME 0x02 #define FM_I2S_VOLUME 0x04 #define FM_RECORD_SOURCE 0x06 #define FM_PLAY_CTL 0x08 #define FM_PLAY_RATE_MASK 0x0f00 #define FM_PLAY_BUF1_LAST 0x0001 #define FM_PLAY_BUF2_LAST 0x0002 #define FM_PLAY_START 0x0020 #define FM_PLAY_PAUSE 0x0040 #define FM_PLAY_STOPNOW 0x0080 #define FM_PLAY_16BIT 0x4000 #define FM_PLAY_STEREO 0x8000 #define FM_PLAY_DMALEN 0x0a #define FM_PLAY_DMABUF1 0x0c #define FM_PLAY_DMABUF2 0x10 #define FM_REC_CTL 0x14 #define FM_REC_RATE_MASK 0x0f00 #define FM_REC_BUF1_LAST 0x0001 #define FM_REC_BUF2_LAST 0x0002 #define FM_REC_START 0x0020 #define FM_REC_PAUSE 0x0040 #define FM_REC_STOPNOW 0x0080 #define FM_REC_16BIT 0x4000 #define FM_REC_STEREO 0x8000 #define FM_REC_DMALEN 0x16 #define FM_REC_DMABUF1 0x18 #define FM_REC_DMABUF2 0x1c #define FM_CODEC_CTL 0x22 #define FM_VOLUME 0x26 #define FM_VOLUME_MUTE 0x8000 #define FM_CODEC_CMD 0x2a #define FM_CODEC_CMD_READ 0x0080 #define FM_CODEC_CMD_VALID 0x0100 #define FM_CODEC_CMD_BUSY 0x0200 #define FM_CODEC_DATA 0x2c #define FM_IO_CTL 0x52 #define FM_CARD_CTL 0x54 #define FM_INTMASK 0x56 #define FM_INTMASK_PLAY 0x0001 #define FM_INTMASK_REC 0x0002 #define FM_INTMASK_VOL 0x0040 #define FM_INTMASK_MPU 0x0080 #define FM_INTSTATUS 0x5a #define FM_INTSTATUS_PLAY 0x0100 #define FM_INTSTATUS_REC 0x0200 #define FM_INTSTATUS_VOL 0x4000 #define FM_INTSTATUS_MPU 0x8000 #define FM801_DEFAULT_BUFSZ 4096 /* Other values do not work!!! */ /* debug purposes */ #define DPRINT if(0) printf /* static int fm801ch_setup(struct pcm_channel *c); */ static u_int32_t fmts[] = { AFMT_U8, AFMT_STEREO | AFMT_U8, AFMT_S16_LE, AFMT_STEREO | AFMT_S16_LE, 0 }; static struct pcmchan_caps fm801ch_caps = { 4000, 48000, fmts, 0 }; struct fm801_info; struct fm801_chinfo { struct fm801_info *parent; struct pcm_channel *channel; struct snd_dbuf *buffer; u_int32_t spd, dir, fmt; /* speed, direction, format */ u_int32_t shift; }; struct fm801_info { int type; bus_space_tag_t st; bus_space_handle_t sh; bus_dma_tag_t parent_dmat; device_t dev; int num; u_int32_t unit; struct resource *reg, *irq; int regtype, regid, irqid; void *ih; u_int32_t play_flip, play_nextblk, play_start, play_blksize, play_fmt, play_shift, play_size; u_int32_t rec_flip, rec_nextblk, rec_start, rec_blksize, rec_fmt, rec_shift, rec_size; unsigned int bufsz; struct fm801_chinfo pch, rch; device_t radio; }; /* Bus Read / Write routines */ static u_int32_t fm801_rd(struct fm801_info *fm801, int regno, int size) { switch(size) { case 1: return (bus_space_read_1(fm801->st, fm801->sh, regno)); case 2: return (bus_space_read_2(fm801->st, fm801->sh, regno)); case 4: return (bus_space_read_4(fm801->st, fm801->sh, regno)); default: return 0xffffffff; } } static void fm801_wr(struct fm801_info *fm801, int regno, u_int32_t data, int size) { switch(size) { case 1: bus_space_write_1(fm801->st, fm801->sh, regno, data); break; case 2: bus_space_write_2(fm801->st, fm801->sh, regno, data); break; case 4: bus_space_write_4(fm801->st, fm801->sh, regno, data); break; } } /* -------------------------------------------------------------------- */ /* * ac97 codec routines */ #define TIMO 50 static int fm801_rdcd(kobj_t obj, void *devinfo, int regno) { struct fm801_info *fm801 = (struct fm801_info *)devinfo; int i; for (i = 0; i < TIMO && fm801_rd(fm801,FM_CODEC_CMD,2) & FM_CODEC_CMD_BUSY; i++) { DELAY(10000); DPRINT("fm801 rdcd: 1 - DELAY\n"); } if (i >= TIMO) { printf("fm801 rdcd: codec busy\n"); return 0; } fm801_wr(fm801,FM_CODEC_CMD, regno|FM_CODEC_CMD_READ,2); for (i = 0; i < TIMO && !(fm801_rd(fm801,FM_CODEC_CMD,2) & FM_CODEC_CMD_VALID); i++) { DELAY(10000); DPRINT("fm801 rdcd: 2 - DELAY\n"); } if (i >= TIMO) { printf("fm801 rdcd: write codec invalid\n"); return 0; } return fm801_rd(fm801,FM_CODEC_DATA,2); } static int fm801_wrcd(kobj_t obj, void *devinfo, int regno, u_int32_t data) { struct fm801_info *fm801 = (struct fm801_info *)devinfo; int i; DPRINT("fm801_wrcd reg 0x%x val 0x%x\n",regno, data); /* if(regno == AC97_REG_RECSEL) return; */ /* Poll until codec is ready */ for (i = 0; i < TIMO && fm801_rd(fm801,FM_CODEC_CMD,2) & FM_CODEC_CMD_BUSY; i++) { DELAY(10000); DPRINT("fm801 rdcd: 1 - DELAY\n"); } if (i >= TIMO) { printf("fm801 wrcd: read codec busy\n"); return -1; } fm801_wr(fm801,FM_CODEC_DATA,data, 2); fm801_wr(fm801,FM_CODEC_CMD, regno,2); /* wait until codec is ready */ for (i = 0; i < TIMO && fm801_rd(fm801,FM_CODEC_CMD,2) & FM_CODEC_CMD_BUSY; i++) { DELAY(10000); DPRINT("fm801 wrcd: 2 - DELAY\n"); } if (i >= TIMO) { printf("fm801 wrcd: read codec busy\n"); return -1; } DPRINT("fm801 wrcd release reg 0x%x val 0x%x\n",regno, data); return 0; } static kobj_method_t fm801_ac97_methods[] = { KOBJMETHOD(ac97_read, fm801_rdcd), KOBJMETHOD(ac97_write, fm801_wrcd), { 0, 0 } }; AC97_DECLARE(fm801_ac97); /* -------------------------------------------------------------------- */ /* * The interrupt handler */ static void fm801_intr(void *p) { struct fm801_info *fm801 = (struct fm801_info *)p; u_int32_t intsrc = fm801_rd(fm801, FM_INTSTATUS, 2); DPRINT("\nfm801_intr intsrc 0x%x ", intsrc); if(intsrc & FM_INTSTATUS_PLAY) { fm801->play_flip++; if(fm801->play_flip & 1) { fm801_wr(fm801, FM_PLAY_DMABUF1, fm801->play_start,4); } else fm801_wr(fm801, FM_PLAY_DMABUF2, fm801->play_nextblk,4); chn_intr(fm801->pch.channel); } if(intsrc & FM_INTSTATUS_REC) { fm801->rec_flip++; if(fm801->rec_flip & 1) { fm801_wr(fm801, FM_REC_DMABUF1, fm801->rec_start,4); } else fm801_wr(fm801, FM_REC_DMABUF2, fm801->rec_nextblk,4); chn_intr(fm801->rch.channel); } if ( intsrc & FM_INTSTATUS_MPU ) { /* This is a TODOish thing... */ fm801_wr(fm801, FM_INTSTATUS, intsrc & FM_INTSTATUS_MPU,2); } if ( intsrc & FM_INTSTATUS_VOL ) { /* This is a TODOish thing... */ fm801_wr(fm801, FM_INTSTATUS, intsrc & FM_INTSTATUS_VOL,2); } DPRINT("fm801_intr clear\n\n"); fm801_wr(fm801, FM_INTSTATUS, intsrc & (FM_INTSTATUS_PLAY | FM_INTSTATUS_REC), 2); } /* -------------------------------------------------------------------- */ /* channel interface */ static void * fm801ch_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir) { struct fm801_info *fm801 = (struct fm801_info *)devinfo; struct fm801_chinfo *ch = (dir == PCMDIR_PLAY)? &fm801->pch : &fm801->rch; DPRINT("fm801ch_init, direction = %d\n", dir); ch->parent = fm801; ch->channel = c; ch->buffer = b; ch->dir = dir; if (sndbuf_alloc(ch->buffer, fm801->parent_dmat, fm801->bufsz) == -1) return NULL; return (void *)ch; } static int fm801ch_setformat(kobj_t obj, void *data, u_int32_t format) { struct fm801_chinfo *ch = data; struct fm801_info *fm801 = ch->parent; DPRINT("fm801ch_setformat 0x%x : %s, %s, %s, %s\n", format, (format & AFMT_STEREO)?"stereo":"mono", (format & (AFMT_S16_LE | AFMT_S16_BE | AFMT_U16_LE | AFMT_U16_BE)) ? "16bit":"8bit", (format & AFMT_SIGNED)? "signed":"unsigned", (format & AFMT_BIGENDIAN)?"bigendiah":"littleendian" ); if(ch->dir == PCMDIR_PLAY) { fm801->play_fmt = (format & AFMT_STEREO)? FM_PLAY_STEREO : 0; fm801->play_fmt |= (format & AFMT_16BIT) ? FM_PLAY_16BIT : 0; return 0; } if(ch->dir == PCMDIR_REC ) { fm801->rec_fmt = (format & AFMT_STEREO)? FM_REC_STEREO:0; fm801->rec_fmt |= (format & AFMT_16BIT) ? FM_PLAY_16BIT : 0; return 0; } return 0; } struct { int limit; int rate; } fm801_rates[11] = { { 6600, 5500 }, { 8750, 8000 }, { 10250, 9600 }, { 13200, 11025 }, { 17500, 16000 }, { 20500, 19200 }, { 26500, 22050 }, { 35000, 32000 }, { 41000, 38400 }, { 46000, 44100 }, { 48000, 48000 }, /* anything above -> 48000 */ }; static int fm801ch_setspeed(kobj_t obj, void *data, u_int32_t speed) { struct fm801_chinfo *ch = data; struct fm801_info *fm801 = ch->parent; register int i; for (i = 0; i < 10 && fm801_rates[i].limit <= speed; i++) ; if(ch->dir == PCMDIR_PLAY) { fm801->pch.spd = fm801_rates[i].rate; fm801->play_shift = (i<<8); fm801->play_shift &= FM_PLAY_RATE_MASK; } if(ch->dir == PCMDIR_REC ) { fm801->rch.spd = fm801_rates[i].rate; fm801->rec_shift = (i<<8); fm801->rec_shift &= FM_REC_RATE_MASK; } ch->spd = fm801_rates[i].rate; return fm801_rates[i].rate; } static int fm801ch_setblocksize(kobj_t obj, void *data, u_int32_t blocksize) { struct fm801_chinfo *ch = data; struct fm801_info *fm801 = ch->parent; if(ch->dir == PCMDIR_PLAY) { if(fm801->play_flip) return fm801->play_blksize; fm801->play_blksize = blocksize; } if(ch->dir == PCMDIR_REC) { if(fm801->rec_flip) return fm801->rec_blksize; fm801->rec_blksize = blocksize; } DPRINT("fm801ch_setblocksize %d (dir %d)\n",blocksize, ch->dir); return blocksize; } static int fm801ch_trigger(kobj_t obj, void *data, int go) { struct fm801_chinfo *ch = data; struct fm801_info *fm801 = ch->parent; u_int32_t baseaddr = sndbuf_getbufaddr(ch->buffer); u_int32_t k1; DPRINT("fm801ch_trigger go %d , ", go); if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD) { return 0; } if (ch->dir == PCMDIR_PLAY) { if (go == PCMTRIG_START) { fm801->play_start = baseaddr; fm801->play_nextblk = fm801->play_start + fm801->play_blksize; fm801->play_flip = 0; fm801_wr(fm801, FM_PLAY_DMALEN, fm801->play_blksize - 1, 2); fm801_wr(fm801, FM_PLAY_DMABUF1,fm801->play_start,4); fm801_wr(fm801, FM_PLAY_DMABUF2,fm801->play_nextblk,4); fm801_wr(fm801, FM_PLAY_CTL, FM_PLAY_START | FM_PLAY_STOPNOW | fm801->play_fmt | fm801->play_shift, 2 ); } else { fm801->play_flip = 0; k1 = fm801_rd(fm801, FM_PLAY_CTL,2); fm801_wr(fm801, FM_PLAY_CTL, (k1 & ~(FM_PLAY_STOPNOW | FM_PLAY_START)) | FM_PLAY_BUF1_LAST | FM_PLAY_BUF2_LAST, 2 ); } } else if(ch->dir == PCMDIR_REC) { if (go == PCMTRIG_START) { fm801->rec_start = baseaddr; fm801->rec_nextblk = fm801->rec_start + fm801->rec_blksize; fm801->rec_flip = 0; fm801_wr(fm801, FM_REC_DMALEN, fm801->rec_blksize - 1, 2); fm801_wr(fm801, FM_REC_DMABUF1,fm801->rec_start,4); fm801_wr(fm801, FM_REC_DMABUF2,fm801->rec_nextblk,4); fm801_wr(fm801, FM_REC_CTL, FM_REC_START | FM_REC_STOPNOW | fm801->rec_fmt | fm801->rec_shift, 2 ); } else { fm801->rec_flip = 0; k1 = fm801_rd(fm801, FM_REC_CTL,2); fm801_wr(fm801, FM_REC_CTL, (k1 & ~(FM_REC_STOPNOW | FM_REC_START)) | FM_REC_BUF1_LAST | FM_REC_BUF2_LAST, 2); } } return 0; } /* Almost ALSA copy */ static int fm801ch_getptr(kobj_t obj, void *data) { struct fm801_chinfo *ch = data; struct fm801_info *fm801 = ch->parent; int result = 0; if (ch->dir == PCMDIR_PLAY) { result = fm801_rd(fm801, (fm801->play_flip&1) ? FM_PLAY_DMABUF2:FM_PLAY_DMABUF1, 4) - fm801->play_start; } if (ch->dir == PCMDIR_REC) { result = fm801_rd(fm801, (fm801->rec_flip&1) ? FM_REC_DMABUF2:FM_REC_DMABUF1, 4) - fm801->rec_start; } return result; } static struct pcmchan_caps * fm801ch_getcaps(kobj_t obj, void *data) { return &fm801ch_caps; } static kobj_method_t fm801ch_methods[] = { KOBJMETHOD(channel_init, fm801ch_init), KOBJMETHOD(channel_setformat, fm801ch_setformat), KOBJMETHOD(channel_setspeed, fm801ch_setspeed), KOBJMETHOD(channel_setblocksize, fm801ch_setblocksize), KOBJMETHOD(channel_trigger, fm801ch_trigger), KOBJMETHOD(channel_getptr, fm801ch_getptr), KOBJMETHOD(channel_getcaps, fm801ch_getcaps), { 0, 0 } }; CHANNEL_DECLARE(fm801ch); /* -------------------------------------------------------------------- */ /* * Init routine is taken from an original NetBSD driver */ static int fm801_init(struct fm801_info *fm801) { u_int32_t k1; /* reset codec */ fm801_wr(fm801, FM_CODEC_CTL, 0x0020,2); DELAY(100000); fm801_wr(fm801, FM_CODEC_CTL, 0x0000,2); DELAY(100000); fm801_wr(fm801, FM_PCM_VOLUME, 0x0808,2); fm801_wr(fm801, FM_FM_VOLUME, 0x0808,2); fm801_wr(fm801, FM_I2S_VOLUME, 0x0808,2); fm801_wr(fm801, 0x40,0x107f,2); /* enable legacy audio */ fm801_wr((void *)fm801, FM_RECORD_SOURCE, 0x0000,2); /* Unmask playback, record and mpu interrupts, mask the rest */ k1 = fm801_rd((void *)fm801, FM_INTMASK,2); fm801_wr(fm801, FM_INTMASK, (k1 & ~(FM_INTMASK_PLAY | FM_INTMASK_REC | FM_INTMASK_MPU)) | FM_INTMASK_VOL,2); fm801_wr(fm801, FM_INTSTATUS, FM_INTSTATUS_PLAY | FM_INTSTATUS_REC | FM_INTSTATUS_MPU | FM_INTSTATUS_VOL,2); DPRINT("FM801 init Ok\n"); return 0; } static int fm801_pci_attach(device_t dev) { u_int32_t data; struct ac97_info *codec = 0; struct fm801_info *fm801; int i; int mapped = 0; char status[SND_STATUSLEN]; if ((fm801 = (struct fm801_info *)malloc(sizeof(*fm801), M_DEVBUF, M_NOWAIT | M_ZERO)) == NULL) { device_printf(dev, "cannot allocate softc\n"); return ENXIO; } fm801->type = pci_get_devid(dev); data = pci_read_config(dev, PCIR_COMMAND, 2); data |= (PCIM_CMD_PORTEN|PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN); pci_write_config(dev, PCIR_COMMAND, data, 2); data = pci_read_config(dev, PCIR_COMMAND, 2); for (i = 0; (mapped == 0) && (i < PCI_MAXMAPS_0); i++) { fm801->regid = PCIR_BAR(i); fm801->regtype = SYS_RES_MEMORY; fm801->reg = bus_alloc_resource_any(dev, fm801->regtype, &fm801->regid, RF_ACTIVE); if(!fm801->reg) { fm801->regtype = SYS_RES_IOPORT; fm801->reg = bus_alloc_resource_any(dev, fm801->regtype, &fm801->regid, RF_ACTIVE); } if(fm801->reg) { fm801->st = rman_get_bustag(fm801->reg); fm801->sh = rman_get_bushandle(fm801->reg); mapped++; } } if (mapped == 0) { device_printf(dev, "unable to map register space\n"); goto oops; } fm801->bufsz = pcm_getbuffersize(dev, 4096, FM801_DEFAULT_BUFSZ, 65536); fm801_init(fm801); codec = AC97_CREATE(dev, fm801, fm801_ac97); if (codec == NULL) goto oops; if (mixer_init(dev, ac97_getmixerclass(), codec) == -1) goto oops; fm801->irqid = 0; fm801->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &fm801->irqid, RF_ACTIVE | RF_SHAREABLE); if (!fm801->irq || snd_setup_intr(dev, fm801->irq, 0, fm801_intr, fm801, &fm801->ih)) { device_printf(dev, "unable to map interrupt\n"); goto oops; } if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0, /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, /*highaddr*/BUS_SPACE_MAXADDR, /*filter*/NULL, /*filterarg*/NULL, /*maxsize*/fm801->bufsz, /*nsegments*/1, /*maxsegz*/0x3ffff, /*flags*/0, /*lockfunc*/busdma_lock_mutex, /*lockarg*/&Giant, &fm801->parent_dmat) != 0) { device_printf(dev, "unable to create dma tag\n"); goto oops; } snprintf(status, 64, "at %s 0x%lx irq %ld %s", (fm801->regtype == SYS_RES_IOPORT)? "io" : "memory", rman_get_start(fm801->reg), rman_get_start(fm801->irq),PCM_KLDSTRING(snd_fm801)); #define FM801_MAXPLAYCH 1 if (pcm_register(dev, fm801, FM801_MAXPLAYCH, 1)) goto oops; pcm_addchan(dev, PCMDIR_PLAY, &fm801ch_class, fm801); pcm_addchan(dev, PCMDIR_REC, &fm801ch_class, fm801); pcm_setstatus(dev, status); fm801->radio = device_add_child(dev, "radio", -1); bus_generic_attach(dev); return 0; oops: if (codec) ac97_destroy(codec); if (fm801->reg) bus_release_resource(dev, fm801->regtype, fm801->regid, fm801->reg); if (fm801->ih) bus_teardown_intr(dev, fm801->irq, fm801->ih); if (fm801->irq) bus_release_resource(dev, SYS_RES_IRQ, fm801->irqid, fm801->irq); if (fm801->parent_dmat) bus_dma_tag_destroy(fm801->parent_dmat); free(fm801, M_DEVBUF); return ENXIO; } static int fm801_pci_detach(device_t dev) { int r; struct fm801_info *fm801; DPRINT("Forte Media FM801 detach\n"); fm801 = pcm_getdevinfo(dev); r = bus_generic_detach(dev); if (r) return r; if (fm801->radio != NULL) { r = device_delete_child(dev, fm801->radio); if (r) return r; fm801->radio = NULL; } r = pcm_unregister(dev); if (r) return r; bus_release_resource(dev, fm801->regtype, fm801->regid, fm801->reg); bus_teardown_intr(dev, fm801->irq, fm801->ih); bus_release_resource(dev, SYS_RES_IRQ, fm801->irqid, fm801->irq); bus_dma_tag_destroy(fm801->parent_dmat); free(fm801, M_DEVBUF); return 0; } static int fm801_pci_probe( device_t dev ) { u_int32_t data; int id, regtype, regid, result; struct resource *reg; bus_space_tag_t st; bus_space_handle_t sh; result = ENXIO; if ((id = pci_get_devid(dev)) == PCI_DEVICE_FORTEMEDIA1 ) { data = pci_read_config(dev, PCIR_COMMAND, 2); data |= (PCIM_CMD_PORTEN|PCIM_CMD_BUSMASTEREN); pci_write_config(dev, PCIR_COMMAND, data, 2); data = pci_read_config(dev, PCIR_COMMAND, 2); regid = PCIR_BAR(0); regtype = SYS_RES_IOPORT; reg = bus_alloc_resource_any(dev, regtype, ®id, RF_ACTIVE); if (reg == NULL) return ENXIO; st = rman_get_bustag(reg); sh = rman_get_bushandle(reg); /* * XXX: quick check that device actually has sound capabilities. * The problem is that some cards built around FM801 chip only * have radio tuner onboard, but no sound capabilities. There * is no "official" way to quickly check this, because all * IDs are exactly the same. The only difference is 0x28 * device control register, described in FM801 specification * as "SRC/Mixer Test Control/DFC Status", but without * any more detailed explanation. According to specs, and * available sample cards (SF256-PCP-R and SF256-PCS-R) its * power-on value should be `0', while on AC97-less tuner * card (SF64-PCR) it was 0x80. */ if (bus_space_read_1(st, sh, 0x28) == 0) { device_set_desc(dev, "Forte Media FM801 Audio Controller"); result = 0; } bus_release_resource(dev, regtype, regid, reg); } /* if ((id = pci_get_devid(dev)) == PCI_DEVICE_FORTEMEDIA2 ) { device_set_desc(dev, "Forte Media FM801 Joystick (Not Supported)"); return ENXIO; } */ return (result); } static struct resource * fm801_alloc_resource(device_t bus, device_t child, int type, int *rid, u_long start, u_long end, u_long count, u_int flags) { struct fm801_info *fm801; fm801 = pcm_getdevinfo(bus); if (type == SYS_RES_IOPORT && *rid == PCIR_BAR(0)) return (fm801->reg); return (NULL); } static int fm801_release_resource(device_t bus, device_t child, int type, int rid, struct resource *r) { return (0); } static device_method_t fm801_methods[] = { /* Device interface */ DEVMETHOD(device_probe, fm801_pci_probe), DEVMETHOD(device_attach, fm801_pci_attach), DEVMETHOD(device_detach, fm801_pci_detach), DEVMETHOD(device_shutdown, bus_generic_shutdown), DEVMETHOD(device_suspend, bus_generic_suspend), DEVMETHOD(device_resume, bus_generic_resume), /* Bus interface */ DEVMETHOD(bus_print_child, bus_generic_print_child), DEVMETHOD(bus_alloc_resource, fm801_alloc_resource), DEVMETHOD(bus_release_resource, fm801_release_resource), DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), { 0, 0} }; static driver_t fm801_driver = { "pcm", fm801_methods, PCM_SOFTC_SIZE, }; DRIVER_MODULE(snd_fm801, pci, fm801_driver, pcm_devclass, 0, 0); MODULE_DEPEND(snd_fm801, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER); MODULE_VERSION(snd_fm801, 1);