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Support for VIA VT8233 audio controller.

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This commit is contained in:
orion 2002-08-17 16:23:44 +00:00
parent 898c6ff370
commit 7b9dd904de
6 changed files with 812 additions and 1 deletions
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1
sys/boot/forth/loader.conf
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@ -234,6 +234,7 @@ snd_sb8_load="NO" # Sound Blaster Pro
snd_sb16_load="NO" # Sound Blaster 16
snd_solo_load="NO" # Solo
snd_t4dwave_load="NO" # t4dwave
snd_via8233_load="NO" # via8233
snd_via82c686_load="NO" # via82c686
snd_load="NO" # All sound drivers

1
sys/conf/files
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@ -588,6 +588,7 @@ dev/sound/pci/maestro.c optional pcm pci
dev/sound/pci/neomagic.c optional pcm pci
dev/sound/pci/solo.c optional pcm pci
dev/sound/pci/t4dwave.c optional pcm pci
dev/sound/pci/via8233.c optional pcm pci
dev/sound/pci/via82c686.c optional pcm pci
dev/sound/pci/vibes.c optional pcm pci
#dev/sound/pci/vortex1.c optional pcm pci

659
sys/dev/sound/pci/via8233.c Normal file
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@ -0,0 +1,659 @@
/*
* Copyright (c) 2002 Orion Hodson <orion@freebsd.org>
* Portions of this code derived from via82c686.c:
* Copyright (c) 2000 David Jones <dej@ox.org>
* 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.
*/
/* Some Credits:
*
* Grzybowski Rafal, Russell Davies, Mark Handley, Daniel O'Connor for
* comments, machine time, testing patches, and patience. VIA for
* providing specs. ALSA for helpful comments and some register poke
* ordering.
*/
#include <dev/sound/pcm/sound.h>
#include <dev/sound/pcm/ac97.h>
#include <pci/pcireg.h>
#include <pci/pcivar.h>
#include <sys/sysctl.h>
#include <dev/sound/pci/via8233.h>
SND_DECLARE_FILE("$FreeBSD$");
#define VIA8233_PCI_ID 0x30591106
#define SEGS_PER_CHAN 2 /* Segments per channel */
#define NCHANS 2 /* Lines-in,out (mic later) */
#define NSEGS NCHANS * SEGS_PER_CHAN /* Segments in SGD table */
#define VIA_DEFAULT_BUFSZ 0x1000
#undef DEB
#define DEB(x) x
/* we rely on this struct being packed to 64 bits */
struct via_dma_op {
u_int32_t ptr;
u_int32_t flags;
#define VIA_DMAOP_EOL 0x80000000
#define VIA_DMAOP_FLAG 0x40000000
#define VIA_DMAOP_STOP 0x20000000
#define VIA_DMAOP_COUNT(x) ((x)&0x00FFFFFF)
};
struct via_info;
struct via_chinfo {
struct via_info *parent;
struct pcm_channel *channel;
struct snd_dbuf *buffer;
struct via_dma_op *sgd_table;
int dir, blksz;
int rbase; /* base register for channel */
};
struct via_info {
bus_space_tag_t st;
bus_space_handle_t sh;
bus_dma_tag_t parent_dmat;
bus_dma_tag_t sgd_dmat;
bus_dmamap_t sgd_dmamap;
struct resource *reg, *irq;
int regid, irqid;
void *ih;
struct ac97_info *codec;
unsigned int bufsz;
struct via_chinfo pch, rch;
struct via_dma_op *sgd_table;
u_int16_t codec_caps;
};
static u_int32_t via_fmt[] = {
AFMT_U8,
AFMT_STEREO | AFMT_U8,
AFMT_S16_LE,
AFMT_STEREO | AFMT_S16_LE,
0
};
static struct pcmchan_caps via_vracaps = { 4000, 48000, via_fmt, 0 };
static struct pcmchan_caps via_caps = { 48000, 48000, via_fmt, 0 };
static u_int32_t
via_rd(struct via_info *via, int regno, int size)
{
switch (size) {
case 1:
return bus_space_read_1(via->st, via->sh, regno);
case 2:
return bus_space_read_2(via->st, via->sh, regno);
case 4:
return bus_space_read_4(via->st, via->sh, regno);
default:
return 0xFFFFFFFF;
}
}
static void
via_wr(struct via_info *via, int regno, u_int32_t data, int size)
{
switch (size) {
case 1:
bus_space_write_1(via->st, via->sh, regno, data);
break;
case 2:
bus_space_write_2(via->st, via->sh, regno, data);
break;
case 4:
bus_space_write_4(via->st, via->sh, regno, data);
break;
}
}
/* -------------------------------------------------------------------- */
/* Codec interface */
static int
via_waitready_codec(struct via_info *via)
{
int i;
/* poll until codec not busy */
for (i = 0; i < 1000; i++) {
if ((via_rd(via, VIA_AC97_CONTROL, 4) & VIA_AC97_BUSY) == 0)
return 0;
DELAY(1);
}
printf("via: codec busy\n");
return 1;
}
static int
via_waitvalid_codec(struct via_info *via)
{
int i;
/* poll until codec valid */
for (i = 0; i < 1000; i++) {
if (via_rd(via, VIA_AC97_CONTROL, 4) & VIA_AC97_CODEC00_VALID)
return 0;
DELAY(1);
}
printf("via: codec invalid\n");
return 1;
}
static int
via_write_codec(kobj_t obj, void *addr, int reg, u_int32_t val)
{
struct via_info *via = addr;
if (via_waitready_codec(via)) return -1;
via_wr(via, VIA_AC97_CONTROL,
VIA_AC97_CODEC00_VALID | VIA_AC97_INDEX(reg) |
VIA_AC97_DATA(val), 4);
return 0;
}
static int
via_read_codec(kobj_t obj, void *addr, int reg)
{
struct via_info *via = addr;
if (via_waitready_codec(via))
return -1;
via_wr(via, VIA_AC97_CONTROL, VIA_AC97_CODEC00_VALID |
VIA_AC97_READ | VIA_AC97_INDEX(reg), 4);
if (via_waitready_codec(via))
return -1;
if (via_waitvalid_codec(via))
return -1;
return via_rd(via, VIA_AC97_CONTROL, 2);
}
static kobj_method_t via_ac97_methods[] = {
KOBJMETHOD(ac97_read, via_read_codec),
KOBJMETHOD(ac97_write, via_write_codec),
{ 0, 0 }
};
AC97_DECLARE(via_ac97);
/* -------------------------------------------------------------------- */
static int
via_buildsgdt(struct via_chinfo *ch)
{
u_int32_t phys_addr, flag;
int i, segs, seg_size;
/*
* Build the scatter/gather DMA (SGD) table.
* There are four slots in the table: two for play, two for record.
* This creates two half-buffers, one of which is playing; the other
* is feeding.
*/
seg_size = ch->blksz;
segs = sndbuf_getsize(ch->buffer) / seg_size;
phys_addr = vtophys(sndbuf_getbuf(ch->buffer));
for (i = 0; i < segs; i++) {
flag = (i == segs - 1) ? VIA_DMAOP_EOL : VIA_DMAOP_FLAG;
ch->sgd_table[i].ptr = phys_addr + (i * seg_size);
ch->sgd_table[i].flags = flag | seg_size;
}
return 0;
}
static int
via8233pchan_setformat(kobj_t obj, void *data, u_int32_t format)
{
struct via_chinfo *ch = data;
struct via_info *via = ch->parent;
u_int32_t s = 0xff000000;
u_int8_t v = (format & AFMT_S16_LE) ? MC_SGD_16BIT : MC_SGD_8BIT;
if (format & AFMT_STEREO) {
v |= MC_SGD_CHANNELS(2);
s |= SLOT3(1) | SLOT4(2);
} else {
v |= MC_SGD_CHANNELS(1);
s |= SLOT3(1) | SLOT4(1);
}
via_wr(via, VIA_MC_SLOT_SELECT, s, 4);
via_wr(via, VIA_MC_SGD_FORMAT, v, 1);
return 0;
}
static int
via8233rchan_setformat(kobj_t obj, void *data, u_int32_t format)
{
struct via_chinfo *ch = data;
struct via_info *via = ch->parent;
u_int32_t f = WR_FORMAT_STOP_INDEX;
if (format & AFMT_STEREO)
f |= WR_FORMAT_STEREO;
if (format & AFMT_S16_LE)
f |= WR_FORMAT_16BIT;
via_wr(via, VIA_WR0_FORMAT, f, 4);
return 0;
}
static int
via8233pchan_setspeed(kobj_t obj, void *data, u_int32_t speed)
{
struct via_chinfo *ch = data;
struct via_info *via = ch->parent;
if (via->codec_caps & AC97_EXTCAP_VRA)
return ac97_setrate(via->codec, AC97_REGEXT_FDACRATE, speed);
return 48000;
}
static int
via8233rchan_setspeed(kobj_t obj, void *data, u_int32_t speed)
{
struct via_chinfo *ch = data;
struct via_info *via = ch->parent;
if (via->codec_caps & AC97_EXTCAP_VRA)
return ac97_setrate(via->codec, AC97_REGEXT_LADCRATE, speed);
return 48000;
}
static int
via8233chan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
{
struct via_chinfo *ch = data;
ch->blksz = blocksize;
sndbuf_resize(ch->buffer, SEGS_PER_CHAN, ch->blksz);
return ch->blksz;
}
static int
via8233chan_getptr(kobj_t obj, void *data)
{
struct via_chinfo *ch = data;
struct via_info *via = ch->parent;
u_int32_t v = via_rd(via, ch->rbase + VIA_RP_CURRENT_COUNT, 4);
u_int32_t index = v >> 24; /* Last completed buffer */
u_int32_t count = v & 0x00ffffff; /* Bytes remaining */
int ptr = (index + 1) * ch->blksz - count;
ptr %= SEGS_PER_CHAN * ch->blksz; /* Wrap to available space */
return ptr;
}
static struct pcmchan_caps *
via8233chan_getcaps(kobj_t obj, void *data)
{
struct via_chinfo *ch = data;
struct via_info *via = ch->parent;
if (via->codec_caps & AC97_EXTCAP_VRA)
return &via_vracaps;
return &via_caps;
}
static void
via8233chan_reset(struct via_info *via, struct via_chinfo *ch)
{
via_wr(via, ch->rbase + VIA_RP_CONTROL, SGD_CONTROL_STOP, 1);
via_wr(via, ch->rbase + VIA_RP_CONTROL, 0x00, 1);
via_wr(via, ch->rbase + VIA_RP_STATUS,
SGD_STATUS_EOL | SGD_STATUS_FLAG, 1);
}
static void*
via8233chan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b,
struct pcm_channel *c, int dir)
{
struct via_info *via = devinfo;
struct via_chinfo *ch = (dir == PCMDIR_PLAY)? &via->pch : &via->rch;
ch->parent = via;
ch->channel = c;
ch->buffer = b;
ch->dir = dir;
ch->sgd_table = &via->sgd_table[(dir == PCMDIR_PLAY)? 0 : SEGS_PER_CHAN];
if (ch->dir == PCMDIR_PLAY) {
ch->rbase = VIA_MC_SGD_STATUS;
} else {
ch->rbase = VIA_WR0_SGD_STATUS;
via_wr(via, VIA_WR0_SGD_FORMAT, WR_FIFO_ENABLE, 1);
}
if (sndbuf_alloc(ch->buffer, via->parent_dmat, via->bufsz) == -1)
return NULL;
via8233chan_reset(via, ch);
return ch;
}
static int
via8233chan_trigger(kobj_t obj, void* data, int go)
{
struct via_chinfo *ch = data;
struct via_info *via = ch->parent;
struct via_dma_op *ado = ch->sgd_table;
switch(go) {
case PCMTRIG_START:
via_buildsgdt(ch);
via_wr(via, ch->rbase + VIA_RP_TABLE_PTR, vtophys(ado), 4);
via_wr(via, ch->rbase + VIA_RP_CONTROL,
SGD_CONTROL_START | SGD_CONTROL_AUTOSTART |
SGD_CONTROL_I_EOL | SGD_CONTROL_I_FLAG, 1);
break;
case PCMTRIG_STOP:
case PCMTRIG_ABORT:
via_wr(via, ch->rbase + VIA_RP_CONTROL, SGD_CONTROL_STOP, 1);
via8233chan_reset(via, ch);
break;
}
return 0;
}
static kobj_method_t via8233pchan_methods[] = {
KOBJMETHOD(channel_init, via8233chan_init),
KOBJMETHOD(channel_setformat, via8233pchan_setformat),
KOBJMETHOD(channel_setspeed, via8233pchan_setspeed),
KOBJMETHOD(channel_setblocksize, via8233chan_setblocksize),
KOBJMETHOD(channel_trigger, via8233chan_trigger),
KOBJMETHOD(channel_getptr, via8233chan_getptr),
KOBJMETHOD(channel_getcaps, via8233chan_getcaps),
{ 0, 0 }
};
CHANNEL_DECLARE(via8233pchan);
static kobj_method_t via8233rchan_methods[] = {
KOBJMETHOD(channel_init, via8233chan_init),
KOBJMETHOD(channel_setformat, via8233rchan_setformat),
KOBJMETHOD(channel_setspeed, via8233rchan_setspeed),
KOBJMETHOD(channel_setblocksize, via8233chan_setblocksize),
KOBJMETHOD(channel_trigger, via8233chan_trigger),
KOBJMETHOD(channel_getptr, via8233chan_getptr),
KOBJMETHOD(channel_getcaps, via8233chan_getcaps),
{ 0, 0 }
};
CHANNEL_DECLARE(via8233rchan);
/* -------------------------------------------------------------------- */
static void
via_intr(void *p)
{
struct via_info *via = p;
int r = via_rd(via, VIA_MC_SGD_STATUS, 1);
if (r & SGD_STATUS_INTR) {
via_wr(via, VIA_MC_SGD_STATUS, SGD_STATUS_INTR, 1);
chn_intr(via->pch.channel);
}
r = via_rd(via, VIA_WR0_SGD_STATUS, 1);
if (r & SGD_STATUS_INTR) {
via_wr(via, VIA_WR0_SGD_STATUS, SGD_STATUS_INTR, 1);
chn_intr(via->rch.channel);
}
}
/*
* Probe and attach the card
*/
static int
via_probe(device_t dev)
{
switch(pci_get_devid(dev)) {
case VIA8233_PCI_ID:
switch(pci_get_revid(dev)) {
case 0x10:
device_set_desc(dev, "VIA VT8233 (pre)");
return 0;
case 0x20:
device_set_desc(dev, "VIA VT8233C");
return 0;
case 0x30:
device_set_desc(dev, "VIA VT8233");
return 0;
case 0x40:
device_set_desc(dev, "VIA VT8233A");
return 0;
case 0x50:
device_set_desc(dev, "VIA VT8235");
return 0;
default:
device_set_desc(dev, "VIA VT8233X"); /* Unknown */
return 0;
}
}
return ENXIO;
}
static void
dma_cb(void *p, bus_dma_segment_t *bds, int a, int b)
{
}
static int
via_chip_init(device_t dev)
{
int i, s;
pci_write_config(dev, VIA_PCI_ACLINK_CTRL, 0, 1);
DELAY(100);
/* assert ACLink reset */
pci_write_config(dev, VIA_PCI_ACLINK_CTRL, VIA_PCI_ACLINK_NRST, 1);
DELAY(2);
/* deassert ACLink reset, force SYNC (warm AC'97 reset) */
pci_write_config(dev, VIA_PCI_ACLINK_CTRL,
VIA_PCI_ACLINK_NRST | VIA_PCI_ACLINK_SYNC, 1);
/* ACLink on, deassert ACLink reset, VSR, SGD data out */
pci_write_config(dev, VIA_PCI_ACLINK_CTRL,
VIA_PCI_ACLINK_EN | VIA_PCI_ACLINK_NRST
| VIA_PCI_ACLINK_VRATE | VIA_PCI_ACLINK_SGD, 1);
for (i = 0; i < 100; i++) {
s = pci_read_config(dev, VIA_PCI_ACLINK_STAT, 1);
if (s & VIA_PCI_ACLINK_C00_READY) {
s = pci_read_config(dev, VIA_PCI_ACLINK_CTRL, 1);
return 0;
}
DELAY(10);
}
device_printf(dev, "primary codec not ready (s = 0x%02x)\n", s);
return ENXIO;
}
static int
via_attach(device_t dev)
{
struct via_info *via = 0;
char status[SND_STATUSLEN];
if ((via = malloc(sizeof *via, M_DEVBUF, M_NOWAIT | M_ZERO)) == NULL) {
device_printf(dev, "cannot allocate softc\n");
return ENXIO;
}
pci_enable_io(dev, SYS_RES_IOPORT);
pci_set_powerstate(dev, PCI_POWERSTATE_D0);
pci_enable_busmaster(dev);
via->regid = PCIR_MAPS;
via->reg = bus_alloc_resource(dev, SYS_RES_IOPORT, &via->regid, 0, ~0,
1, RF_ACTIVE);
if (!via->reg) {
device_printf(dev, "cannot allocate bus resource.");
goto bad;
}
via->st = rman_get_bustag(via->reg);
via->sh = rman_get_bushandle(via->reg);
via->bufsz = pcm_getbuffersize(dev, 4096, VIA_DEFAULT_BUFSZ, 65536);
via->irqid = 0;
via->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &via->irqid, 0, ~0, 1,
RF_ACTIVE | RF_SHAREABLE);
if (!via->irq ||
snd_setup_intr(dev, via->irq, 0, via_intr, via, &via->ih)) {
device_printf(dev, "unable to map interrupt\n");
goto bad;
}
/* DMA tag for buffers */
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*/via->bufsz, /*nsegments*/1, /*maxsegz*/0x3ffff,
/*flags*/0, &via->parent_dmat) != 0) {
device_printf(dev, "unable to create dma tag\n");
goto bad;
}
/*
* DMA tag for SGD table. The 686 uses scatter/gather DMA and
* requires a list in memory of work to do. We need only 16 bytes
* for this list, and it is wasteful to allocate 16K.
*/
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*/NSEGS * sizeof(struct via_dma_op),
/*nsegments*/1, /*maxsegz*/0x3ffff,
/*flags*/0, &via->sgd_dmat) != 0) {
device_printf(dev, "unable to create dma tag\n");
goto bad;
}
if (bus_dmamem_alloc(via->sgd_dmat, (void **)&via->sgd_table,
BUS_DMA_NOWAIT, &via->sgd_dmamap) == -1)
goto bad;
if (bus_dmamap_load(via->sgd_dmat, via->sgd_dmamap, via->sgd_table,
NSEGS * sizeof(struct via_dma_op), dma_cb, 0, 0))
goto bad;
if (via_chip_init(dev))
goto bad;
via->codec = AC97_CREATE(dev, via, via_ac97);
if (!via->codec)
goto bad;
mixer_init(dev, ac97_getmixerclass(), via->codec);
via->codec_caps = ac97_getextcaps(via->codec);
/* Try to set VRA (depends on codec) */
ac97_setextmode(via->codec, via->codec_caps &
(AC97_EXTCAP_VRA | AC97_EXTCAP_VRM));
snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld",
rman_get_start(via->reg), rman_get_start(via->irq));
/* Register */
if (pcm_register(dev, via, 1, 1)) goto bad;
pcm_addchan(dev, PCMDIR_PLAY, &via8233pchan_class, via);
pcm_addchan(dev, PCMDIR_REC, &via8233rchan_class, via);
pcm_setstatus(dev, status);
return 0;
bad:
if (via->codec) ac97_destroy(via->codec);
if (via->reg) bus_release_resource(dev, SYS_RES_IOPORT, via->regid, via->reg);
if (via->ih) bus_teardown_intr(dev, via->irq, via->ih);
if (via->irq) bus_release_resource(dev, SYS_RES_IRQ, via->irqid, via->irq);
if (via->parent_dmat) bus_dma_tag_destroy(via->parent_dmat);
if (via->sgd_dmamap) bus_dmamap_unload(via->sgd_dmat, via->sgd_dmamap);
if (via->sgd_dmat) bus_dma_tag_destroy(via->sgd_dmat);
if (via) free(via, M_DEVBUF);
return ENXIO;
}
static int
via_detach(device_t dev)
{
int r;
struct via_info *via = 0;
r = pcm_unregister(dev);
if (r) return r;
via = pcm_getdevinfo(dev);
bus_release_resource(dev, SYS_RES_IOPORT, via->regid, via->reg);
bus_teardown_intr(dev, via->irq, via->ih);
bus_release_resource(dev, SYS_RES_IRQ, via->irqid, via->irq);
bus_dma_tag_destroy(via->parent_dmat);
bus_dmamap_unload(via->sgd_dmat, via->sgd_dmamap);
bus_dma_tag_destroy(via->sgd_dmat);
free(via, M_DEVBUF);
return 0;
}
static device_method_t via_methods[] = {
DEVMETHOD(device_probe, via_probe),
DEVMETHOD(device_attach, via_attach),
DEVMETHOD(device_detach, via_detach),
{ 0, 0}
};
static driver_t via_driver = {
"pcm",
via_methods,
PCM_SOFTC_SIZE,
};
DRIVER_MODULE(snd_via8233, pci, via_driver, pcm_devclass, 0, 0);
MODULE_DEPEND(snd_via8233, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER);
MODULE_VERSION(snd_via8233, 1);

141
sys/dev/sound/pci/via8233.h Normal file
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@ -0,0 +1,141 @@
/*
* Copyright (c) 2002 Orion Hodson <orion@freebsd.org>
* 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, WHETHERIN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THEPOSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _SYS_SOUND_PCI_VIA8233_H_
#define _SYS_SOUND_PCI_VIA8233_H_
/*
* VIA Technologies VT8233 Southbridge Audio Driver
*
* Documentation sources:
*
* V8233C specs. from VIA, gratefully received under NDA.
* AC97 R2.2 specs.
* ALSA driver (very useful comments)
*/
#define VIA_PCI_ACLINK_STAT 0x40
# define VIA_PCI_ACLINK_C11_READY 0x20
# define VIA_PCI_ACLINK_C10_READY 0x10
# define VIA_PCI_ACLINK_C01_READY 0x04
# define VIA_PCI_ACLINK_LOW_POWER 0x02
# define VIA_PCI_ACLINK_C00_READY 0x01
#define VIA_PCI_ACLINK_CTRL 0x41
# define VIA_PCI_ACLINK_EN 0x80
# define VIA_PCI_ACLINK_NRST 0x40
# define VIA_PCI_ACLINK_SYNC 0x20
# define VIA_PCI_ACLINK_SERIAL 0x10
# define VIA_PCI_ACLINK_VRATE 0x08
# define VIA_PCI_ACLINK_SGD 0x04
#define VIA_MC_SGD_STATUS 0x40
#define VIA_WR0_SGD_STATUS 0x60
#define VIA_WR1_SGD_STATUS 0x70
# define SGD_STATUS_ACTIVE 0x80
# define SGD_STATUS_AT_STOP 0x40
# define SGD_STATUS_TRIGGER_Q 0x08
# define SGD_STATUS_STOP_I_S 0x04
# define SGD_STATUS_EOL 0x02
# define SGD_STATUS_FLAG 0x01
# define SGD_STATUS_INTR (SGD_STATUS_EOL | SGD_STATUS_FLAG)
#define VIA_MC_SGD_CONTROL 0x41
#define VIA_WR0_SGD_CONTROL 0x61
#define VIA_WR1_SGD_CONTROL 0x71
# define SGD_CONTROL_START 0x80
# define SGD_CONTROL_STOP 0x40
# define SGD_CONTROL_AUTOSTART 0x20
# define SGD_CONTROL_PAUSE 0x08
# define SGD_CONTROL_I_STOP 0x04
# define SGD_CONTROL_I_EOL 0x02
# define SGD_CONTROL_I_FLAG 0x01
#define VIA_MC_SGD_FORMAT 0x42
# define MC_SGD_16BIT 0x80
# define MC_SGD_8BIT 0x00
# define MC_SGD_CHANNELS(x) (((x)& 0x07) << 4)
#define VIA_WR0_SGD_FORMAT 0x62
#define VIA_WR1_SGD_FORMAT 0x72
# define WR_FIFO_ENABLE 0x40
#define VIA_WR0_SGD_INPUT 0x63
#define VIA_WR1_SGD_INPUT 0x73
# define WR_LINE_IN 0x00
# define WR_MIC_IN 0x04
# define WR_PRIMARY_CODEC 0x00
# define WR_SECONDARY_CODEC1 0x01
# define WR_SECONDARY_CODEC2 0x02
# define WR_SECONDARY_CODEC3 0x03
#define VIA_MC_TABLE_PTR_BASE 0x44
#define VIA_WR0_TABLE_PTR_BASE 0x64
#define VIA_WR1_TABLE_PTR_BASE 0x74
#define VIA_MC_SLOT_SELECT 0x48
# define SLOT3(x) (x)
# define SLOT4(x) ((x) << 4)
# define SLOT7(x) ((x) << 8)
# define SLOT8(x) ((x) << 12)
# define SLOT6(x) ((x) << 16)
# define SLOT9(x) ((x) << 20)
#define VIA_MC_CURRENT_COUNT 0x4c
#define VIA_WR0_FORMAT 0x68
#define VIA_WR1_FORMAT 0x78
# define WR_FORMAT_STOP_INDEX 0xff000000
# define WR_FORMAT_STEREO 0x00100000
# define WR_FORMAT_16BIT 0x00200000
/* Relative offsets */
#define VIA_RP_STATUS 0x00
#define VIA_RP_CONTROL 0x01
#define VIA_RP_TABLE_PTR 0x04
#define VIA_RP_CURRENT_COUNT 0x0c
#define VIA_AC97_CONTROL 0x80
# define VIA_AC97_CODECID11 0xc0000000
# define VIA_AC97_CODECID10 0x80000000
# define VIA_AC97_CODECID01 0x40000000
# define VIA_AC97_CODEC11_VALID 0x20000000
# define VIA_AC97_CODEC10_VALID 0x10000000
# define VIA_AC97_CODEC01_VALID 0x08000000
# define VIA_AC97_CODEC00_VALID 0x02000000
# define VIA_AC97_BUSY 0x01000000
# define VIA_AC97_READ 0x00800000
# define VIA_AC97_INDEX(x) ((x) << 16)
# define VIA_AC97_DATA(x) ((x) & 0xffff)
#define VIA_CODEC_BUSY 0x01000000
#define VIA_CODEC_PRIVALID 0x02000000
#define VIA_CODEC_INDEX(x) ((x)<<16)
#endif /* SYS_SOUND_PCI_VIA8233_H_ */

2
sys/modules/sound/driver/Makefile
View File

@ -2,7 +2,7 @@
SUBDIR = als4000 ad1816 cmi cs4281 csa ds1 emu10k1 es137x ess
SUBDIR += fm801 ich maestro maestro3 mss neomagic sb16 sb8 sbc solo
SUBDIR += t4dwave via82c686 vibes
SUBDIR += t4dwave via8233 via82c686 vibes
SUBDIR += driver uaudio
.include <bsd.subdir.mk>

9
sys/modules/sound/driver/via8233/Makefile Normal file
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@ -0,0 +1,9 @@
# $FreeBSD$
.PATH: ${.CURDIR}/../../../../dev/sound/pci
KMOD= snd_via8233
SRCS= device_if.h bus_if.h isa_if.h pci_if.h
SRCS+= via8233.c
.include <bsd.kmod.mk>