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Add (but do not connect) a half-finished driver for Aureal Vortex cards.

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The mixer works, pcm support is half done.
This commit is contained in:
des 2003-06-01 11:58:46 +00:00
parent 889789a5d1
commit 6f4ae9e970
3 changed files with 820 additions and 0 deletions
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637
sys/dev/sound/pci/au88x0.c Normal file
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/*-
* Copyright (c) 2003 Dag-Erling Coïdan Smørgrav
* 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
* in this position and unchanged.
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*
* $FreeBSD$
*/
#include <dev/sound/pcm/sound.h>
#include <dev/sound/pcm/ac97.h>
#include <dev/sound/pci/au88x0.h>
#include <machine/bus.h>
#include <pci/pcireg.h>
#include <pci/pcivar.h>
/***************************************************************************\
* *
* FORMATS AND CAPABILITIES *
* *
\***************************************************************************/
static u_int32_t au88x0_formats[] = {
AFMT_U8,
AFMT_STEREO | AFMT_U8,
AFMT_S16_LE,
AFMT_STEREO | AFMT_S16_LE,
0
};
static struct pcmchan_caps au88x0_capabilities = {
4000, /* minimum sample rate */
48000, /* maximum sample rate */
au88x0_formats, /* supported formats */
0 /* no particular capabilities */
};
/***************************************************************************\
* *
* CODEC INTERFACE *
* *
\***************************************************************************/
/*
* Read from the au88x0 register space
*/
#if 1
/* all our writes are 32-bit */
#define au88x0_read(aui, reg, n) \
bus_space_read_4((aui)->aui_spct, (aui)->aui_spch, (reg))
#define au88x0_write(aui, reg, data, n) \
bus_space_write_4((aui)->aui_spct, (aui)->aui_spch, (reg), (data))
#else
static uint32_t
au88x0_read(struct au88x0_info *aui, int reg, int size)
{
uint32_t data;
switch (size) {
case 1:
data = bus_space_read_1(aui->aui_spct, aui->aui_spch, reg);
break;
case 2:
data = bus_space_read_2(aui->aui_spct, aui->aui_spch, reg);
break;
case 4:
data = bus_space_read_4(aui->aui_spct, aui->aui_spch, reg);
break;
default:
panic("unsupported read size %d", size);
}
return (data);
}
/*
* Write to the au88x0 register space
*/
static void
au88x0_write(struct au88x0_info *aui, int reg, uint32_t data, int size)
{
switch (size) {
case 1:
bus_space_write_1(aui->aui_spct, aui->aui_spch, reg, data);
break;
case 2:
bus_space_write_2(aui->aui_spct, aui->aui_spch, reg, data);
break;
case 4:
bus_space_write_4(aui->aui_spct, aui->aui_spch, reg, data);
break;
default:
panic("unsupported write size %d", size);
}
}
#endif
/*
* Reset and initialize the codec
*/
static void
au88x0_codec_init(struct au88x0_info *aui)
{
uint32_t data;
int i;
/* wave that chicken */
au88x0_write(aui, AU88X0_CODEC_CONTROL, 0x8068, 4);
DELAY(AU88X0_SETTLE_DELAY);
au88x0_write(aui, AU88X0_CODEC_CONTROL, 0x00e8, 4);
DELAY(1000);
for (i = 0; i < 32; ++i) {
au88x0_write(aui, AU88X0_CODEC_CHANNEL + i * 4, 0, 4);
DELAY(AU88X0_SETTLE_DELAY);
}
au88x0_write(aui, AU88X0_CODEC_CONTROL, 0x00e8, 4);
DELAY(AU88X0_SETTLE_DELAY);
/* enable both codec channels */
data = au88x0_read(aui, AU88X0_CODEC_ENABLE, 4);
data |= (1 << (8 + 0)) | (1 << (8 + 1));
au88x0_write(aui, AU88X0_CODEC_ENABLE, data, 4);
DELAY(AU88X0_SETTLE_DELAY);
}
/*
* Wait for the codec to get ready to accept a register write
* Should be called at spltty
*/
static int
au88x0_codec_wait(struct au88x0_info *aui)
{
uint32_t data;
int i;
for (i = 0; i < AU88X0_RETRY_COUNT; ++i) {
data = au88x0_read(aui, AU88X0_CODEC_CONTROL, 4);
if (data & AU88X0_CDCTL_WROK)
return (0);
DELAY(AU88X0_SETTLE_DELAY);
}
device_printf(aui->aui_dev, "timeout while waiting for codec\n");
return (-1);
}
/*
* Read from the ac97 codec
*/
static int
au88x0_codec_read(kobj_t obj, void *arg, int reg)
{
struct au88x0_info *aui = arg;
uint32_t data;
int sl;
sl = spltty();
au88x0_codec_wait(aui);
au88x0_write(aui, AU88X0_CODEC_IO, AU88X0_CDIO_READ(reg), 4);
DELAY(1000);
data = au88x0_read(aui, AU88X0_CODEC_IO, 4);
splx(sl);
data &= AU88X0_CDIO_DATA_MASK;
data >>= AU88X0_CDIO_DATA_SHIFT;
return (data);
}
/*
* Write to the ac97 codec
*/
static int
au88x0_codec_write(kobj_t obj, void *arg, int reg, uint32_t data)
{
struct au88x0_info *aui = arg;
int sl;
sl = spltty();
au88x0_codec_wait(aui);
au88x0_write(aui, AU88X0_CODEC_IO, AU88X0_CDIO_WRITE(reg, data), 4);
splx(sl);
return 0;
}
/*
* Codec interface glue
*/
static kobj_method_t au88x0_ac97_methods[] = {
KOBJMETHOD(ac97_read, au88x0_codec_read),
KOBJMETHOD(ac97_write, au88x0_codec_write),
{ 0, 0 }
};
AC97_DECLARE(au88x0_ac97);
#define au88x0_channel(aui, dir) \
&(aui)->aui_chan[((dir) == PCMDIR_PLAY) ? 0 : 1]
/***************************************************************************\
* *
* CHANNEL INTERFACE *
* *
\***************************************************************************/
/*
* Initialize a PCM channel
*/
static void *
au88x0_chan_init(kobj_t obj, void *arg,
struct snd_dbuf *buf, struct pcm_channel *chan, int dir)
{
struct au88x0_info *aui = arg;
struct au88x0_chan_info *auci = au88x0_channel(aui, dir);
if (sndbuf_alloc(buf, aui->aui_dmat, aui->aui_bufsize) == -1)
return (NULL);
auci->auci_aui = aui;
auci->auci_pcmchan = chan;
auci->auci_buf = buf;
auci->auci_dir = dir;
return (auci);
}
/*
* Set the data format for a PCM channel
*/
static int
au88x0_chan_setformat(kobj_t obj, void *arg, u_int32_t format)
{
/* XXX */
return (ENXIO);
}
/*
* Set the sample rate for a PCM channel
*/
static int
au88x0_chan_setspeed(kobj_t obj, void *arg, u_int32_t speed)
{
/* XXX */
return (speed);
}
/*
* Set the block size for a PCM channel
*/
static int
au88x0_chan_setblocksize(kobj_t obj, void *arg, u_int32_t blocksize)
{
/* XXX */
return (blocksize);
}
/*
* Initiate a data transfer
*/
static int
au88x0_chan_trigger(kobj_t obj, void *arg, int trigger)
{
struct au88x0_chan_info *auci = arg;
(void)auci;
switch (trigger) {
case PCMTRIG_START:
break;
case PCMTRIG_STOP:
case PCMTRIG_ABORT:
break;
}
return (0);
}
/*
*
*/
static int
au88x0_chan_getptr(kobj_t obj, void *arg)
{
/* XXX */
return (0);
}
/*
* Return the capabilities of a PCM channel
*/
static struct pcmchan_caps *
au88x0_chan_getcaps(kobj_t obj, void *arg)
{
return (&au88x0_capabilities);
}
/*
* Channel interface glue
*/
static kobj_method_t au88x0_chan_methods[] = {
KOBJMETHOD(channel_init, au88x0_chan_init),
KOBJMETHOD(channel_setformat, au88x0_chan_setformat),
KOBJMETHOD(channel_setspeed, au88x0_chan_setspeed),
KOBJMETHOD(channel_setblocksize, au88x0_chan_setblocksize),
KOBJMETHOD(channel_trigger, au88x0_chan_trigger),
KOBJMETHOD(channel_getptr, au88x0_chan_getptr),
KOBJMETHOD(channel_getcaps, au88x0_chan_getcaps),
{ 0, 0 }
};
CHANNEL_DECLARE(au88x0_chan);
/***************************************************************************\
* *
* INTERRUPT HANDLER *
* *
\***************************************************************************/
static void
au88x0_intr(void *arg)
{
struct au88x0_info *aui = arg;
int pending, source;
pending = au88x0_read(aui, AU88X0_IRQ_PENDING, 4);
if ((pending & AU88X0_IRQ_PENDING_BIT) == 0)
return;
source = au88x0_read(aui, AU88X0_IRQ_SOURCE, 4);
if (source & AU88X0_IRQ_FATAL_ERR)
device_printf(aui->aui_dev,
"fatal error interrupt received\n");
if (source & AU88X0_IRQ_PARITY_ERR)
device_printf(aui->aui_dev,
"parity error interrupt received\n");
/* XXX handle the others... */
/* acknowledge the interrupts we just handled */
au88x0_write(aui, AU88X0_IRQ_SOURCE, source, 4);
au88x0_read(aui, AU88X0_IRQ_SOURCE, 4);
}
/***************************************************************************\
* *
* INITIALIZATION *
* *
\***************************************************************************/
/*
* Reset and initialize the ADB and WT FIFOs
*
* - need to find out what the magic values 0x42000 and 0x2000 mean.
*/
static void
au88x0_fifo_init(struct au88x0_info *aui)
{
int i;
/* reset, then clear the ADB FIFOs */
for (i = 0; i < AU88X0_ADB_FIFOS; ++i)
au88x0_write(aui, AU88X0_ADB_FIFO_CTL + i * 4, 0x42000, 4);
for (i = 0; i < AU88X0_ADB_FIFOS * AU88X0_ADB_FIFO_SIZE; ++i)
au88x0_write(aui, AU88X0_ADB_FIFO_BASE + i * 4, 0, 4);
/* reset, then clear the WT FIFOs */
for (i = 0; i < AU88X0_WT_FIFOS; ++i)
au88x0_write(aui, AU88X0_WT_FIFO_CTL + i * 4, 0x42000, 4);
for (i = 0; i < AU88X0_WT_FIFOS * AU88X0_WT_FIFO_SIZE; ++i)
au88x0_write(aui, AU88X0_WT_FIFO_BASE + i * 4, 0, 4);
}
/*
* Hardware initialization
*/
static void
au88x0_init(struct au88x0_info *aui)
{
/* reset the chip */
au88x0_write(aui, AU88X0_CONTROL, 0xffffffff, 4);
DELAY(10000);
/* clear all interrupts */
au88x0_write(aui, AU88X0_IRQ_SOURCE, 0xffffffff, 4);
au88x0_read(aui, AU88X0_IRQ_SOURCE, 4);
au88x0_read(aui, AU88X0_IRQ_STATUS, 4);
/* initialize the codec */
au88x0_codec_init(aui);
/* initialize the fifos */
au88x0_fifo_init(aui);
/* initialize the DMA engine */
/* XXX chicken-waving! */
au88x0_write(aui, AU88X0_DMA_CONTROL, 0x1380000, 4);
}
/*
* Construct and set status string
*/
static void
au88x0_set_status(device_t dev)
{
char status[SND_STATUSLEN];
struct au88x0_info *aui;
aui = pcm_getdevinfo(dev);
snprintf(status, sizeof status, "at %s 0x%lx irq %ld",
(aui->aui_regtype == SYS_RES_IOPORT)? "io" : "memory",
rman_get_start(aui->aui_reg), rman_get_start(aui->aui_irq));
pcm_setstatus(dev, status);
}
/***************************************************************************\
* *
* PCI INTERFACE *
* *
\***************************************************************************/
/*
* Probe
*/
static int
au88x0_pci_probe(device_t dev)
{
switch (pci_get_devid(dev)) {
case AUREAL_VORTEX_2:
device_set_desc(dev, "Aureal Vortex 2");
return (0);
case AUREAL_VORTEX_ADVANTAGE:
device_set_desc(dev, "Aureal Vortex Advantage");
return (0);
default:
return (ENXIO);
}
return (0);
}
/*
* Attach
*/
static int
au88x0_pci_attach(device_t dev)
{
struct au88x0_info *aui = NULL;
uint32_t config;
int error;
if ((aui = malloc(sizeof *aui, M_DEVBUF, M_NOWAIT|M_ZERO)) == NULL) {
device_printf(dev, "failed to allocate softc\n");
return (ENXIO);
}
aui->aui_dev = dev;
/* Model-specific parameters */
aui->aui_model = pci_get_devid(dev);
switch (aui->aui_model) {
case AUREAL_VORTEX_1:
break;
case AUREAL_VORTEX_2:
case AUREAL_VORTEX_ADVANTAGE:
break;
default:
panic("%s() called for non-au88x0 device", __func__);
}
/* enable pio, mmio, bus-mastering dma */
config = pci_read_config(dev, PCIR_COMMAND, 2);
config |= (PCIM_CMD_PORTEN|PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN);
pci_write_config(dev, PCIR_COMMAND, config, 2);
/* register mapping */
config = pci_read_config(dev, PCIR_COMMAND, 2);
if (config & PCIM_CMD_MEMEN) {
/* try memory-mapped I/O */
aui->aui_regid = PCIR_MAPS;
aui->aui_regtype = SYS_RES_MEMORY;
aui->aui_reg = bus_alloc_resource(dev, aui->aui_regtype,
&aui->aui_regid, 0, ~0, 1, RF_ACTIVE);
}
if (aui->aui_reg == NULL && (config & PCIM_CMD_PORTEN)) {
/* fall back on port I/O */
aui->aui_regid = PCIR_MAPS;
aui->aui_regtype = SYS_RES_IOPORT;
aui->aui_reg = bus_alloc_resource(dev, aui->aui_regtype,
&aui->aui_regid, 0, ~0, 1, RF_ACTIVE);
}
if (aui->aui_reg == NULL) {
/* both mmio and pio failed... */
device_printf(dev, "failed to map registers\n");
goto failed;
}
aui->aui_spct = rman_get_bustag(aui->aui_reg);
aui->aui_spch = rman_get_bushandle(aui->aui_reg);
/* IRQ mapping */
aui->aui_irqid = 0;
aui->aui_irqtype = SYS_RES_IRQ;
aui->aui_irq = bus_alloc_resource(dev, aui->aui_irqtype,
&aui->aui_irqid, 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
if (aui->aui_irq == 0) {
device_printf(dev, "failed to map IRQ\n");
goto failed;
}
/* install interrupt handler */
error = snd_setup_intr(dev, aui->aui_irq, 0, au88x0_intr,
aui, &aui->aui_irqh);
if (error != 0) {
device_printf(dev, "failed to install interrupt handler\n");
goto failed;
}
/* DMA mapping */
aui->aui_bufsize = pcm_getbuffersize(dev, AU88X0_BUFSIZE_MIN,
AU88X0_BUFSIZE_DFLT, AU88X0_BUFSIZE_MAX);
error = bus_dma_tag_create(NULL,
2, 0, /* 16-bit alignment, no boundary */
BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, /* restrict to 4GB */
NULL, NULL, /* no filter */
aui->aui_bufsize, 1, aui->aui_bufsize,
0, &aui->aui_dmat);
if (error != 0) {
device_printf(dev, "failed to create DMA tag\n");
goto failed;
}
/* initialize the hardware */
au88x0_init(aui);
/* initialize the ac97 codec and mixer */
if ((aui->aui_ac97i = AC97_CREATE(dev, aui, au88x0_ac97)) == NULL) {
device_printf(dev, "failed to initialize ac97 codec\n");
goto failed;
}
if (mixer_init(dev, ac97_getmixerclass(), aui->aui_ac97i) != 0) {
device_printf(dev, "failed to initialize ac97 mixer\n");
goto failed;
}
/* register with the pcm driver */
if (pcm_register(dev, aui, 0, 0))
goto failed;
#if 0
pcm_addchan(dev, PCMDIR_PLAY, &au88x0_chan_class, aui);
pcm_addchan(dev, PCMDIR_REC, &au88x0_chan_class, aui);
#endif
au88x0_set_status(dev);
return (0);
failed:
if (aui->aui_ac97i != NULL)
ac97_destroy(aui->aui_ac97i);
if (aui->aui_dmat)
bus_dma_tag_destroy(aui->aui_dmat);
if (aui->aui_irqh != NULL)
bus_teardown_intr(dev, aui->aui_irq, aui->aui_irqh);
if (aui->aui_irq)
bus_release_resource(dev, aui->aui_irqtype,
aui->aui_irqid, aui->aui_irq);
if (aui->aui_reg)
bus_release_resource(dev, aui->aui_regtype,
aui->aui_regid, aui->aui_reg);
free(aui, M_DEVBUF);
return (ENXIO);
}
/*
* Detach
*/
static int
au88x0_pci_detach(device_t dev)
{
struct au88x0_info *aui;
int error;
aui = pcm_getdevinfo(dev);
if ((error = pcm_unregister(dev)) != 0)
return (error);
/* release resources in reverse order */
bus_dma_tag_destroy(aui->aui_dmat);
bus_teardown_intr(dev, aui->aui_irq, aui->aui_irqh);
bus_release_resource(dev, aui->aui_irqtype,
aui->aui_irqid, aui->aui_irq);
bus_release_resource(dev, aui->aui_regtype,
aui->aui_regid, aui->aui_reg);
free(aui, M_DEVBUF);
return (0);
}
/*
* Driver glue
*/
static device_method_t au88x0_methods[] = {
DEVMETHOD(device_probe, au88x0_pci_probe),
DEVMETHOD(device_attach, au88x0_pci_attach),
DEVMETHOD(device_detach, au88x0_pci_detach),
{ 0, 0 }
};
static driver_t au88x0_driver = {
"pcm",
au88x0_methods,
PCM_SOFTC_SIZE,
};
DRIVER_MODULE(snd_au88x0, pci, au88x0_driver, pcm_devclass, 0, 0);
MODULE_DEPEND(snd_au88x0, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER);
MODULE_VERSION(snd_au88x0, 1);

174
sys/dev/sound/pci/au88x0.h Normal file
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/*-
* Copyright (c) 2003 Dag-Erling Coïdan Smørgrav
* 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
* in this position and unchanged.
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*
* $FreeBSD$
*/
#ifndef _AU88X0_H_INCLUDED
#define _AU88X0_H_INCLUDED
/*
* Channel information
*/
struct au88x0_chan_info {
struct au88x0_info *auci_aui;
struct pcm_channel *auci_pcmchan;
struct snd_dbuf *auci_buf;
int auci_dir;
};
/*
* Device information
*/
struct au88x0_info {
/* the device we're associated with */
device_t aui_dev;
uint32_t aui_model;
/* parameters */
bus_size_t aui_bufsize;
/* bus_space tag and handle */
bus_space_tag_t aui_spct;
bus_space_handle_t aui_spch;
/* register space */
int aui_regtype;
int aui_regid;
struct resource *aui_reg;
/* irq */
int aui_irqtype;
int aui_irqid;
struct resource *aui_irq;
void *aui_irqh;
/* dma */
bus_dma_tag_t aui_dmat;
/* codec */
struct ac97_info *aui_ac97i;
/* channels */
struct au88x0_chan_info aui_chan[2];
};
/*
* PCI IDs of supported cards
*/
#define AUREAL_VORTEX_1 0x000112eb /* 8820 (not supported) */
#define AUREAL_VORTEX_2 0x000212eb /* 8830 */
#define AUREAL_VORTEX_ADVANTAGE 0x000312eb /* 8810 */
/*
* Common parameters
*/
#define AU88X0_SETTLE_DELAY 1000
#define AU88X0_RETRY_COUNT 10
#define AU88X0_BUFSIZE_MIN 0x1000
#define AU88X0_BUFSIZE_DFLT 0x4000
#define AU88X0_BUFSIZE_MAX 0x4000
/*
* General control registers
*/
#define AU88X0_CONTROL 0x2a00c
#define AU88X0_CTL_MIDI_ENABLE 0x0001
#define AU88X0_CTL_GAME_ENABLE 0x0008
#define AU88X0_CTL_IRQ_ENABLE 0x4000
#define AU88X0_IRQ_SOURCE 0x2a000
#define AU88X0_IRQ_MASK 0x2a004
#define AU88X0_IRQ_FATAL_ERR 0x0001
#define AU88X0_IRQ_PARITY_ERR 0x0002
#define AU88X0_IRQ_REG_ERR 0x0004
#define AU88X0_IRQ_FIFO_ERR 0x0008
#define AU88X0_IRQ_DMA_ERR 0x0010
#define AU88X0_IRQ_PCMOUT 0x0020
#define AU88X0_IRQ_TIMER 0x1000
#define AU88X0_IRQ_MIDI 0x2000
#define AU88X0_IRQ_MODEM 0x4000
#define AU88X0_IRQ_PENDING 0x2a008
#define AU88X0_IRQ_PENDING_BIT 0x0001
#define AU88X0_IRQ_STATUS 0x2919c
#define AU88X0_DMA_CONTROL 0x27ae8
/*
* Codec control registers
*
* AU88X0_CODEC_CHANNEL array of 32 32-bit words
*
* AU88X0_CODEC_CONTROL control register
*
* bit 16 ready
*
* AU88X0_CODEC_IO I/O register
*
* bits 0-15 contents of codec register
* bits 16-22 address of codec register
* bit 23 0 for read, 1 for write
*/
#define AU88X0_CODEC_CHANNEL 0x29080
#define AU88X0_CODEC_CONTROL 0x29184
#define AU88X0_CDCTL_WROK 0x00000100
#define AU88X0_CODEC_IO 0x29188
#define AU88X0_CDIO_DATA_SHIFT 0
#define AU88X0_CDIO_DATA_MASK 0x0000ffff
#define AU88X0_CDIO_ADDR_SHIFT 16
#define AU88X0_CDIO_ADDR_MASK 0x007f0000
#define AU88X0_CDIO_RDBIT 0x00000000
#define AU88X0_CDIO_WRBIT 0x00800000
#define AU88X0_CDIO_READ(a) (AU88X0_CDIO_RDBIT | \
(((a) << AU88X0_CDIO_ADDR_SHIFT) & AU88X0_CDIO_ADDR_MASK))
#define AU88X0_CDIO_WRITE(a, d) (AU88X0_CDIO_WRBIT | \
(((a) << AU88X0_CDIO_ADDR_SHIFT) & AU88X0_CDIO_ADDR_MASK) | \
(((d) << AU88X0_CDIO_DATA_SHIFT) & AU88X0_CDIO_DATA_MASK))
#define AU88X0_CODEC_ENABLE 0x29190
/*
* FIFO and DMA contorl registers
*
* There are two sets of these, one for PCM audio (ADB) and one for
* wavetables (WT).
*/
#define AU88X0_ADB_FIFOS 32
#define AU88X0_ADB_FIFO_CTL 0x16100
#define AU88X0_ADB_FIFO_BASE 0x14000
#define AU88X0_ADB_FIFO_SIZE 0x40
#define AU8810_ADB_DMA_CTL 0x27180
#define AU8820_ADB_DMA_CTL 0x10580
#define AU8830_ADB_DMA_CTL 0x27a00
#define AU88X0_WT_FIFOS 32
#define AU88X0_WT_FIFO_CTL 0x16000
#define AU88X0_WT_FIFO_BASE 0x10000
#define AU88X0_WT_FIFO_SIZE 0x40
#define AU8810_WT_DMA_CTL 0x27fd8
#define AU8820_WT_DMA_CTL 0x10500
#define AU8830_WT_DMA_CTL 0x27900
#endif

9
sys/modules/sound/driver/au88x0/Makefile Normal file
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@ -0,0 +1,9 @@
# $FreeBSD$
.PATH: ${.CURDIR}/../../../../dev/sound/pci
KMOD= snd_au88x0
SRCS= device_if.h bus_if.h pci_if.h
SRCS+= au88x0.c
.include <bsd.kmod.mk>