| Current Path : /usr/src/sys/dev/sound/pci/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //usr/src/sys/dev/sound/pci/es137x.c |
/*-
* Copyright (c) 1999 Russell Cattelan <cattelan@thebarn.com>
* Copyright (c) 1998 Joachim Kuebart <joachim.kuebart@gmx.net>
* 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.
*/
/*-
* Copyright (c) 1999 Cameron Grant <cg@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.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgement:
* This product includes software developed by Joachim Kuebart.
*
* 4. 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 ``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.
*/
/*
* Support the ENSONIQ AudioPCI board and Creative Labs SoundBlaster PCI
* boards based on the ES1370, ES1371 and ES1373 chips.
*
* Part of this code was heavily inspired by the linux driver from
* Thomas Sailer (sailer@ife.ee.ethz.ch)
* Just about everything has been touched and reworked in some way but
* the all the underlying sequences/timing/register values are from
* Thomas' code.
*/
#ifdef HAVE_KERNEL_OPTION_HEADERS
#include "opt_snd.h"
#endif
#include <dev/sound/pcm/sound.h>
#include <dev/sound/pcm/ac97.h>
#include <dev/sound/pci/es137x.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <sys/sysctl.h>
#include "mixer_if.h"
SND_DECLARE_FILE("$FreeBSD: release/9.1.0/sys/dev/sound/pci/es137x.c 218909 2011-02-21 09:01:34Z brucec $");
#define MEM_MAP_REG 0x14
/* PCI IDs of supported chips */
#define ES1370_PCI_ID 0x50001274
#define ES1371_PCI_ID 0x13711274
#define ES1371_PCI_ID2 0x13713274
#define CT5880_PCI_ID 0x58801274
#define CT4730_PCI_ID 0x89381102
#define ES1371REV_ES1371_A 0x02
#define ES1371REV_ES1371_B 0x09
#define ES1371REV_ES1373_8 0x08
#define ES1371REV_ES1373_A 0x04
#define ES1371REV_ES1373_B 0x06
#define ES1371REV_CT5880_A 0x07
#define CT5880REV_CT5880_C 0x02
#define CT5880REV_CT5880_D 0x03
#define CT5880REV_CT5880_E 0x04
#define CT4730REV_CT4730_A 0x00
#define ES_DEFAULT_BUFSZ 4096
/* 2 DAC for playback, 1 ADC for record */
#define ES_DAC1 0
#define ES_DAC2 1
#define ES_ADC 2
#define ES_NCHANS 3
#define ES_DMA_SEGS_MIN 2
#define ES_DMA_SEGS_MAX 256
#define ES_BLK_MIN 64
#define ES_BLK_ALIGN (~(ES_BLK_MIN - 1))
#define ES1370_DAC1_MINSPEED 5512
#define ES1370_DAC1_MAXSPEED 44100
/* device private data */
struct es_info;
struct es_chinfo {
struct es_info *parent;
struct pcm_channel *channel;
struct snd_dbuf *buffer;
struct pcmchan_caps caps;
int dir, num, index;
uint32_t fmt, blksz, blkcnt, bufsz;
uint32_t ptr, prevptr;
int active;
};
/*
* 32bit Ensoniq Configuration (es->escfg).
* ----------------------------------------
*
* +-------+--------+------+------+---------+--------+---------+---------+
* len | 16 | 1 | 1 | 1 | 2 | 2 | 1 | 8 |
* +-------+--------+------+------+---------+--------+---------+---------+
* | fixed | single | | | | | is | general |
* | rate | pcm | DACx | DACy | numplay | numrec | es1370? | purpose |
* | | mixer | | | | | | |
* +-------+--------+------+------+---------+--------+---------+---------+
*/
#define ES_FIXED_RATE(cfgv) \
(((cfgv) & 0xffff0000) >> 16)
#define ES_SET_FIXED_RATE(cfgv, nv) \
(((cfgv) & ~0xffff0000) | (((nv) & 0xffff) << 16))
#define ES_SINGLE_PCM_MIX(cfgv) \
(((cfgv) & 0x8000) >> 15)
#define ES_SET_SINGLE_PCM_MIX(cfgv, nv) \
(((cfgv) & ~0x8000) | (((nv) ? 1 : 0) << 15))
#define ES_DAC_FIRST(cfgv) \
(((cfgv) & 0x4000) >> 14)
#define ES_SET_DAC_FIRST(cfgv, nv) \
(((cfgv) & ~0x4000) | (((nv) & 0x1) << 14))
#define ES_DAC_SECOND(cfgv) \
(((cfgv) & 0x2000) >> 13)
#define ES_SET_DAC_SECOND(cfgv, nv) \
(((cfgv) & ~0x2000) | (((nv) & 0x1) << 13))
#define ES_NUMPLAY(cfgv) \
(((cfgv) & 0x1800) >> 11)
#define ES_SET_NUMPLAY(cfgv, nv) \
(((cfgv) & ~0x1800) | (((nv) & 0x3) << 11))
#define ES_NUMREC(cfgv) \
(((cfgv) & 0x600) >> 9)
#define ES_SET_NUMREC(cfgv, nv) \
(((cfgv) & ~0x600) | (((nv) & 0x3) << 9))
#define ES_IS_ES1370(cfgv) \
(((cfgv) & 0x100) >> 8)
#define ES_SET_IS_ES1370(cfgv, nv) \
(((cfgv) & ~0x100) | (((nv) ? 1 : 0) << 8))
#define ES_GP(cfgv) \
((cfgv) & 0xff)
#define ES_SET_GP(cfgv, nv) \
(((cfgv) & ~0xff) | ((nv) & 0xff))
#define ES_DAC1_ENABLED(cfgv) \
(ES_NUMPLAY(cfgv) > 1 || \
(ES_NUMPLAY(cfgv) == 1 && ES_DAC_FIRST(cfgv) == ES_DAC1))
#define ES_DAC2_ENABLED(cfgv) \
(ES_NUMPLAY(cfgv) > 1 || \
(ES_NUMPLAY(cfgv) == 1 && ES_DAC_FIRST(cfgv) == ES_DAC2))
/*
* DAC 1/2 configuration through kernel hint - hint.pcm.<unit>.dac="val"
*
* 0 = Enable both DACs - Default
* 1 = Enable single DAC (DAC1)
* 2 = Enable single DAC (DAC2)
* 3 = Enable both DACs, swap position (DAC2 comes first instead of DAC1)
*/
#define ES_DEFAULT_DAC_CFG 0
struct es_info {
bus_space_tag_t st;
bus_space_handle_t sh;
bus_dma_tag_t parent_dmat;
struct resource *reg, *irq;
int regtype, regid, irqid;
void *ih;
device_t dev;
int num;
unsigned int bufsz, blkcnt;
/* Contents of board's registers */
uint32_t ctrl;
uint32_t sctrl;
uint32_t escfg;
struct es_chinfo ch[ES_NCHANS];
struct mtx *lock;
struct callout poll_timer;
int poll_ticks, polling;
};
#define ES_LOCK(sc) snd_mtxlock((sc)->lock)
#define ES_UNLOCK(sc) snd_mtxunlock((sc)->lock)
#define ES_LOCK_ASSERT(sc) snd_mtxassert((sc)->lock)
/* prototypes */
static void es_intr(void *);
static uint32_t es1371_wait_src_ready(struct es_info *);
static void es1371_src_write(struct es_info *,
unsigned short, unsigned short);
static unsigned int es1371_adc_rate(struct es_info *, unsigned int, int);
static unsigned int es1371_dac_rate(struct es_info *, unsigned int, int);
static int es1371_init(struct es_info *);
static int es1370_init(struct es_info *);
static int es1370_wrcodec(struct es_info *, unsigned char, unsigned char);
static uint32_t es_fmt[] = {
SND_FORMAT(AFMT_U8, 1, 0),
SND_FORMAT(AFMT_U8, 2, 0),
SND_FORMAT(AFMT_S16_LE, 1, 0),
SND_FORMAT(AFMT_S16_LE, 2, 0),
0
};
static struct pcmchan_caps es_caps = {4000, 48000, es_fmt, 0};
static const struct {
unsigned volidx:4;
unsigned left:4;
unsigned right:4;
unsigned stereo:1;
unsigned recmask:13;
unsigned avail:1;
} mixtable[SOUND_MIXER_NRDEVICES] = {
[SOUND_MIXER_VOLUME] = { 0, 0x0, 0x1, 1, 0x1f7f, 1 },
[SOUND_MIXER_PCM] = { 1, 0x2, 0x3, 1, 0x0400, 1 },
[SOUND_MIXER_SYNTH] = { 2, 0x4, 0x5, 1, 0x0060, 1 },
[SOUND_MIXER_CD] = { 3, 0x6, 0x7, 1, 0x0006, 1 },
[SOUND_MIXER_LINE] = { 4, 0x8, 0x9, 1, 0x0018, 1 },
[SOUND_MIXER_LINE1] = { 5, 0xa, 0xb, 1, 0x1800, 1 },
[SOUND_MIXER_LINE2] = { 6, 0xc, 0x0, 0, 0x0100, 1 },
[SOUND_MIXER_LINE3] = { 7, 0xd, 0x0, 0, 0x0200, 1 },
[SOUND_MIXER_MIC] = { 8, 0xe, 0x0, 0, 0x0001, 1 },
[SOUND_MIXER_OGAIN] = { 9, 0xf, 0x0, 0, 0x0000, 1 }
};
static __inline uint32_t
es_rd(struct es_info *es, int regno, int size)
{
switch (size) {
case 1:
return (bus_space_read_1(es->st, es->sh, regno));
case 2:
return (bus_space_read_2(es->st, es->sh, regno));
case 4:
return (bus_space_read_4(es->st, es->sh, regno));
default:
return (0xFFFFFFFF);
}
}
static __inline void
es_wr(struct es_info *es, int regno, uint32_t data, int size)
{
switch (size) {
case 1:
bus_space_write_1(es->st, es->sh, regno, data);
break;
case 2:
bus_space_write_2(es->st, es->sh, regno, data);
break;
case 4:
bus_space_write_4(es->st, es->sh, regno, data);
break;
}
}
/* -------------------------------------------------------------------- */
/* The es1370 mixer interface */
static int
es1370_mixinit(struct snd_mixer *m)
{
struct es_info *es;
int i;
uint32_t v;
es = mix_getdevinfo(m);
v = 0;
for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
if (mixtable[i].avail)
v |= (1 << i);
}
/*
* Each DAC1/2 for ES1370 can be controlled independently
* DAC1 = controlled by synth
* DAC2 = controlled by pcm
* This is indeed can confuse user if DAC1 become primary playback
* channel. Try to be smart and combine both if necessary.
*/
if (ES_SINGLE_PCM_MIX(es->escfg))
v &= ~(1 << SOUND_MIXER_SYNTH);
mix_setdevs(m, v);
v = 0;
for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
if (mixtable[i].recmask)
v |= (1 << i);
}
if (ES_SINGLE_PCM_MIX(es->escfg)) /* ditto */
v &= ~(1 << SOUND_MIXER_SYNTH);
mix_setrecdevs(m, v);
return (0);
}
static int
es1370_mixset(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
{
struct es_info *es;
int l, r, rl, rr, set_dac1;
if (!mixtable[dev].avail)
return (-1);
l = left;
r = (mixtable[dev].stereo) ? right : l;
if (mixtable[dev].left == 0xf)
rl = (l < 2) ? 0x80 : 7 - (l - 2) / 14;
else
rl = (l < 7) ? 0x80 : 31 - (l - 7) / 3;
es = mix_getdevinfo(m);
ES_LOCK(es);
if (dev == SOUND_MIXER_PCM && (ES_SINGLE_PCM_MIX(es->escfg)) &&
ES_DAC1_ENABLED(es->escfg))
set_dac1 = 1;
else
set_dac1 = 0;
if (mixtable[dev].stereo) {
rr = (r < 7) ? 0x80 : 31 - (r - 7) / 3;
es1370_wrcodec(es, mixtable[dev].right, rr);
if (set_dac1 && mixtable[SOUND_MIXER_SYNTH].stereo)
es1370_wrcodec(es,
mixtable[SOUND_MIXER_SYNTH].right, rr);
}
es1370_wrcodec(es, mixtable[dev].left, rl);
if (set_dac1)
es1370_wrcodec(es, mixtable[SOUND_MIXER_SYNTH].left, rl);
ES_UNLOCK(es);
return (l | (r << 8));
}
static uint32_t
es1370_mixsetrecsrc(struct snd_mixer *m, uint32_t src)
{
struct es_info *es;
int i, j = 0;
es = mix_getdevinfo(m);
if (src == 0) src = 1 << SOUND_MIXER_MIC;
src &= mix_getrecdevs(m);
for (i = 0; i < SOUND_MIXER_NRDEVICES; i++)
if ((src & (1 << i)) != 0) j |= mixtable[i].recmask;
ES_LOCK(es);
if ((src & (1 << SOUND_MIXER_PCM)) && ES_SINGLE_PCM_MIX(es->escfg) &&
ES_DAC1_ENABLED(es->escfg))
j |= mixtable[SOUND_MIXER_SYNTH].recmask;
es1370_wrcodec(es, CODEC_LIMIX1, j & 0x55);
es1370_wrcodec(es, CODEC_RIMIX1, j & 0xaa);
es1370_wrcodec(es, CODEC_LIMIX2, (j >> 8) & 0x17);
es1370_wrcodec(es, CODEC_RIMIX2, (j >> 8) & 0x0f);
es1370_wrcodec(es, CODEC_OMIX1, 0x7f);
es1370_wrcodec(es, CODEC_OMIX2, 0x3f);
ES_UNLOCK(es);
return (src);
}
static kobj_method_t es1370_mixer_methods[] = {
KOBJMETHOD(mixer_init, es1370_mixinit),
KOBJMETHOD(mixer_set, es1370_mixset),
KOBJMETHOD(mixer_setrecsrc, es1370_mixsetrecsrc),
KOBJMETHOD_END
};
MIXER_DECLARE(es1370_mixer);
/* -------------------------------------------------------------------- */
static int
es1370_wrcodec(struct es_info *es, unsigned char i, unsigned char data)
{
unsigned int t;
ES_LOCK_ASSERT(es);
for (t = 0; t < 0x1000; t++) {
if ((es_rd(es, ES1370_REG_STATUS, 4) &
STAT_CSTAT) == 0) {
es_wr(es, ES1370_REG_CODEC,
((unsigned short)i << CODEC_INDEX_SHIFT) | data, 2);
return (0);
}
DELAY(1);
}
device_printf(es->dev, "%s: timed out\n", __func__);
return (-1);
}
/* -------------------------------------------------------------------- */
/* channel interface */
static void *
eschan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b,
struct pcm_channel *c, int dir)
{
struct es_info *es = devinfo;
struct es_chinfo *ch;
uint32_t index;
ES_LOCK(es);
if (dir == PCMDIR_PLAY) {
index = ES_GP(es->escfg);
es->escfg = ES_SET_GP(es->escfg, index + 1);
if (index == 0)
index = ES_DAC_FIRST(es->escfg);
else if (index == 1)
index = ES_DAC_SECOND(es->escfg);
else {
device_printf(es->dev,
"Invalid ES_GP index: %d\n", index);
ES_UNLOCK(es);
return (NULL);
}
if (!(index == ES_DAC1 || index == ES_DAC2)) {
device_printf(es->dev, "Unknown DAC: %d\n", index + 1);
ES_UNLOCK(es);
return (NULL);
}
if (es->ch[index].channel != NULL) {
device_printf(es->dev, "DAC%d already initialized!\n",
index + 1);
ES_UNLOCK(es);
return (NULL);
}
} else
index = ES_ADC;
ch = &es->ch[index];
ch->index = index;
ch->num = es->num++;
ch->caps = es_caps;
if (ES_IS_ES1370(es->escfg)) {
if (ch->index == ES_DAC1) {
ch->caps.maxspeed = ES1370_DAC1_MAXSPEED;
ch->caps.minspeed = ES1370_DAC1_MINSPEED;
} else {
uint32_t fixed_rate = ES_FIXED_RATE(es->escfg);
if (!(fixed_rate < es_caps.minspeed ||
fixed_rate > es_caps.maxspeed)) {
ch->caps.maxspeed = fixed_rate;
ch->caps.minspeed = fixed_rate;
}
}
}
ch->parent = es;
ch->channel = c;
ch->buffer = b;
ch->bufsz = es->bufsz;
ch->blkcnt = es->blkcnt;
ch->blksz = ch->bufsz / ch->blkcnt;
ch->dir = dir;
ES_UNLOCK(es);
if (sndbuf_alloc(ch->buffer, es->parent_dmat, 0, ch->bufsz) != 0)
return (NULL);
ES_LOCK(es);
if (dir == PCMDIR_PLAY) {
if (ch->index == ES_DAC1) {
es_wr(es, ES1370_REG_MEMPAGE,
ES1370_REG_DAC1_FRAMEADR >> 8, 1);
es_wr(es, ES1370_REG_DAC1_FRAMEADR & 0xff,
sndbuf_getbufaddr(ch->buffer), 4);
es_wr(es, ES1370_REG_DAC1_FRAMECNT & 0xff,
(ch->bufsz >> 2) - 1, 4);
} else {
es_wr(es, ES1370_REG_MEMPAGE,
ES1370_REG_DAC2_FRAMEADR >> 8, 1);
es_wr(es, ES1370_REG_DAC2_FRAMEADR & 0xff,
sndbuf_getbufaddr(ch->buffer), 4);
es_wr(es, ES1370_REG_DAC2_FRAMECNT & 0xff,
(ch->bufsz >> 2) - 1, 4);
}
} else {
es_wr(es, ES1370_REG_MEMPAGE, ES1370_REG_ADC_FRAMEADR >> 8, 1);
es_wr(es, ES1370_REG_ADC_FRAMEADR & 0xff,
sndbuf_getbufaddr(ch->buffer), 4);
es_wr(es, ES1370_REG_ADC_FRAMECNT & 0xff,
(ch->bufsz >> 2) - 1, 4);
}
ES_UNLOCK(es);
return (ch);
}
static int
eschan_setformat(kobj_t obj, void *data, uint32_t format)
{
struct es_chinfo *ch = data;
struct es_info *es = ch->parent;
ES_LOCK(es);
if (ch->dir == PCMDIR_PLAY) {
if (ch->index == ES_DAC1) {
es->sctrl &= ~SCTRL_P1FMT;
if (format & AFMT_S16_LE)
es->sctrl |= SCTRL_P1SEB;
if (AFMT_CHANNEL(format) > 1)
es->sctrl |= SCTRL_P1SMB;
} else {
es->sctrl &= ~SCTRL_P2FMT;
if (format & AFMT_S16_LE)
es->sctrl |= SCTRL_P2SEB;
if (AFMT_CHANNEL(format) > 1)
es->sctrl |= SCTRL_P2SMB;
}
} else {
es->sctrl &= ~SCTRL_R1FMT;
if (format & AFMT_S16_LE)
es->sctrl |= SCTRL_R1SEB;
if (AFMT_CHANNEL(format) > 1)
es->sctrl |= SCTRL_R1SMB;
}
es_wr(es, ES1370_REG_SERIAL_CONTROL, es->sctrl, 4);
ES_UNLOCK(es);
ch->fmt = format;
return (0);
}
static uint32_t
eschan1370_setspeed(kobj_t obj, void *data, uint32_t speed)
{
struct es_chinfo *ch = data;
struct es_info *es = ch->parent;
ES_LOCK(es);
/* Fixed rate , do nothing. */
if (ch->caps.minspeed == ch->caps.maxspeed) {
ES_UNLOCK(es);
return (ch->caps.maxspeed);
}
if (speed < ch->caps.minspeed)
speed = ch->caps.minspeed;
if (speed > ch->caps.maxspeed)
speed = ch->caps.maxspeed;
if (ch->index == ES_DAC1) {
/*
* DAC1 does not support continuous rate settings.
* Pick the nearest and use it since FEEDER_RATE will
* do the proper conversion for us.
*/
es->ctrl &= ~CTRL_WTSRSEL;
if (speed < 8268) {
speed = 5512;
es->ctrl |= 0 << CTRL_SH_WTSRSEL;
} else if (speed < 16537) {
speed = 11025;
es->ctrl |= 1 << CTRL_SH_WTSRSEL;
} else if (speed < 33075) {
speed = 22050;
es->ctrl |= 2 << CTRL_SH_WTSRSEL;
} else {
speed = 44100;
es->ctrl |= 3 << CTRL_SH_WTSRSEL;
}
} else {
es->ctrl &= ~CTRL_PCLKDIV;
es->ctrl |= DAC2_SRTODIV(speed) << CTRL_SH_PCLKDIV;
}
es_wr(es, ES1370_REG_CONTROL, es->ctrl, 4);
ES_UNLOCK(es);
return (speed);
}
static uint32_t
eschan1371_setspeed(kobj_t obj, void *data, uint32_t speed)
{
struct es_chinfo *ch = data;
struct es_info *es = ch->parent;
uint32_t i;
int delta;
ES_LOCK(es);
if (ch->dir == PCMDIR_PLAY)
i = es1371_dac_rate(es, speed, ch->index); /* play */
else
i = es1371_adc_rate(es, speed, ch->index); /* record */
ES_UNLOCK(es);
delta = (speed > i) ? (speed - i) : (i - speed);
if (delta < 2)
return (speed);
return (i);
}
static int
eschan_setfragments(kobj_t obj, void *data, uint32_t blksz, uint32_t blkcnt)
{
struct es_chinfo *ch = data;
struct es_info *es = ch->parent;
blksz &= ES_BLK_ALIGN;
if (blksz > (sndbuf_getmaxsize(ch->buffer) / ES_DMA_SEGS_MIN))
blksz = sndbuf_getmaxsize(ch->buffer) / ES_DMA_SEGS_MIN;
if (blksz < ES_BLK_MIN)
blksz = ES_BLK_MIN;
if (blkcnt > ES_DMA_SEGS_MAX)
blkcnt = ES_DMA_SEGS_MAX;
if (blkcnt < ES_DMA_SEGS_MIN)
blkcnt = ES_DMA_SEGS_MIN;
while ((blksz * blkcnt) > sndbuf_getmaxsize(ch->buffer)) {
if ((blkcnt >> 1) >= ES_DMA_SEGS_MIN)
blkcnt >>= 1;
else if ((blksz >> 1) >= ES_BLK_MIN)
blksz >>= 1;
else
break;
}
if ((sndbuf_getblksz(ch->buffer) != blksz ||
sndbuf_getblkcnt(ch->buffer) != blkcnt) &&
sndbuf_resize(ch->buffer, blkcnt, blksz) != 0)
device_printf(es->dev, "%s: failed blksz=%u blkcnt=%u\n",
__func__, blksz, blkcnt);
ch->bufsz = sndbuf_getsize(ch->buffer);
ch->blksz = sndbuf_getblksz(ch->buffer);
ch->blkcnt = sndbuf_getblkcnt(ch->buffer);
return (0);
}
static uint32_t
eschan_setblocksize(kobj_t obj, void *data, uint32_t blksz)
{
struct es_chinfo *ch = data;
struct es_info *es = ch->parent;
eschan_setfragments(obj, data, blksz, es->blkcnt);
return (ch->blksz);
}
#define es_chan_active(es) ((es)->ch[ES_DAC1].active + \
(es)->ch[ES_DAC2].active + \
(es)->ch[ES_ADC].active)
static __inline int
es_poll_channel(struct es_chinfo *ch)
{
struct es_info *es;
uint32_t sz, delta;
uint32_t reg, ptr;
if (ch == NULL || ch->channel == NULL || ch->active == 0)
return (0);
es = ch->parent;
if (ch->dir == PCMDIR_PLAY) {
if (ch->index == ES_DAC1)
reg = ES1370_REG_DAC1_FRAMECNT;
else
reg = ES1370_REG_DAC2_FRAMECNT;
} else
reg = ES1370_REG_ADC_FRAMECNT;
sz = ch->blksz * ch->blkcnt;
es_wr(es, ES1370_REG_MEMPAGE, reg >> 8, 4);
ptr = es_rd(es, reg & 0x000000ff, 4) >> 16;
ptr <<= 2;
ch->ptr = ptr;
ptr %= sz;
ptr &= ~(ch->blksz - 1);
delta = (sz + ptr - ch->prevptr) % sz;
if (delta < ch->blksz)
return (0);
ch->prevptr = ptr;
return (1);
}
static void
es_poll_callback(void *arg)
{
struct es_info *es = arg;
uint32_t trigger = 0;
int i;
if (es == NULL)
return;
ES_LOCK(es);
if (es->polling == 0 || es_chan_active(es) == 0) {
ES_UNLOCK(es);
return;
}
for (i = 0; i < ES_NCHANS; i++) {
if (es_poll_channel(&es->ch[i]) != 0)
trigger |= 1 << i;
}
/* XXX */
callout_reset(&es->poll_timer, 1/*es->poll_ticks*/,
es_poll_callback, es);
ES_UNLOCK(es);
for (i = 0; i < ES_NCHANS; i++) {
if (trigger & (1 << i))
chn_intr(es->ch[i].channel);
}
}
static int
eschan_trigger(kobj_t obj, void *data, int go)
{
struct es_chinfo *ch = data;
struct es_info *es = ch->parent;
uint32_t cnt, b = 0;
if (!PCMTRIG_COMMON(go))
return 0;
ES_LOCK(es);
cnt = (ch->blksz / sndbuf_getalign(ch->buffer)) - 1;
if (ch->fmt & AFMT_16BIT)
b |= 0x02;
if (AFMT_CHANNEL(ch->fmt) > 1)
b |= 0x01;
if (ch->dir == PCMDIR_PLAY) {
if (go == PCMTRIG_START) {
if (ch->index == ES_DAC1) {
es->ctrl |= CTRL_DAC1_EN;
es->sctrl &= ~(SCTRL_P1LOOPSEL |
SCTRL_P1PAUSE | SCTRL_P1SCTRLD);
if (es->polling == 0)
es->sctrl |= SCTRL_P1INTEN;
else
es->sctrl &= ~SCTRL_P1INTEN;
es->sctrl |= b;
es_wr(es, ES1370_REG_DAC1_SCOUNT, cnt, 4);
/* start at beginning of buffer */
es_wr(es, ES1370_REG_MEMPAGE,
ES1370_REG_DAC1_FRAMECNT >> 8, 4);
es_wr(es, ES1370_REG_DAC1_FRAMECNT & 0xff,
(ch->bufsz >> 2) - 1, 4);
} else {
es->ctrl |= CTRL_DAC2_EN;
es->sctrl &= ~(SCTRL_P2ENDINC | SCTRL_P2STINC |
SCTRL_P2LOOPSEL | SCTRL_P2PAUSE |
SCTRL_P2DACSEN);
if (es->polling == 0)
es->sctrl |= SCTRL_P2INTEN;
else
es->sctrl &= ~SCTRL_P2INTEN;
es->sctrl |= (b << 2) |
((((b >> 1) & 1) + 1) << SCTRL_SH_P2ENDINC);
es_wr(es, ES1370_REG_DAC2_SCOUNT, cnt, 4);
/* start at beginning of buffer */
es_wr(es, ES1370_REG_MEMPAGE,
ES1370_REG_DAC2_FRAMECNT >> 8, 4);
es_wr(es, ES1370_REG_DAC2_FRAMECNT & 0xff,
(ch->bufsz >> 2) - 1, 4);
}
} else
es->ctrl &= ~((ch->index == ES_DAC1) ?
CTRL_DAC1_EN : CTRL_DAC2_EN);
} else {
if (go == PCMTRIG_START) {
es->ctrl |= CTRL_ADC_EN;
es->sctrl &= ~SCTRL_R1LOOPSEL;
if (es->polling == 0)
es->sctrl |= SCTRL_R1INTEN;
else
es->sctrl &= ~SCTRL_R1INTEN;
es->sctrl |= b << 4;
es_wr(es, ES1370_REG_ADC_SCOUNT, cnt, 4);
/* start at beginning of buffer */
es_wr(es, ES1370_REG_MEMPAGE,
ES1370_REG_ADC_FRAMECNT >> 8, 4);
es_wr(es, ES1370_REG_ADC_FRAMECNT & 0xff,
(ch->bufsz >> 2) - 1, 4);
} else
es->ctrl &= ~CTRL_ADC_EN;
}
es_wr(es, ES1370_REG_SERIAL_CONTROL, es->sctrl, 4);
es_wr(es, ES1370_REG_CONTROL, es->ctrl, 4);
if (go == PCMTRIG_START) {
if (es->polling != 0) {
ch->ptr = 0;
ch->prevptr = 0;
if (es_chan_active(es) == 0) {
es->poll_ticks = 1;
callout_reset(&es->poll_timer, 1,
es_poll_callback, es);
}
}
ch->active = 1;
} else {
ch->active = 0;
if (es->polling != 0) {
if (es_chan_active(es) == 0) {
callout_stop(&es->poll_timer);
es->poll_ticks = 1;
}
}
}
ES_UNLOCK(es);
return (0);
}
static uint32_t
eschan_getptr(kobj_t obj, void *data)
{
struct es_chinfo *ch = data;
struct es_info *es = ch->parent;
uint32_t reg, cnt;
ES_LOCK(es);
if (es->polling != 0)
cnt = ch->ptr;
else {
if (ch->dir == PCMDIR_PLAY) {
if (ch->index == ES_DAC1)
reg = ES1370_REG_DAC1_FRAMECNT;
else
reg = ES1370_REG_DAC2_FRAMECNT;
} else
reg = ES1370_REG_ADC_FRAMECNT;
es_wr(es, ES1370_REG_MEMPAGE, reg >> 8, 4);
cnt = es_rd(es, reg & 0x000000ff, 4) >> 16;
/* cnt is longwords */
cnt <<= 2;
}
ES_UNLOCK(es);
cnt &= ES_BLK_ALIGN;
return (cnt);
}
static struct pcmchan_caps *
eschan_getcaps(kobj_t obj, void *data)
{
struct es_chinfo *ch = data;
return (&ch->caps);
}
static kobj_method_t eschan1370_methods[] = {
KOBJMETHOD(channel_init, eschan_init),
KOBJMETHOD(channel_setformat, eschan_setformat),
KOBJMETHOD(channel_setspeed, eschan1370_setspeed),
KOBJMETHOD(channel_setblocksize, eschan_setblocksize),
KOBJMETHOD(channel_setfragments, eschan_setfragments),
KOBJMETHOD(channel_trigger, eschan_trigger),
KOBJMETHOD(channel_getptr, eschan_getptr),
KOBJMETHOD(channel_getcaps, eschan_getcaps),
KOBJMETHOD_END
};
CHANNEL_DECLARE(eschan1370);
static kobj_method_t eschan1371_methods[] = {
KOBJMETHOD(channel_init, eschan_init),
KOBJMETHOD(channel_setformat, eschan_setformat),
KOBJMETHOD(channel_setspeed, eschan1371_setspeed),
KOBJMETHOD(channel_setblocksize, eschan_setblocksize),
KOBJMETHOD(channel_setfragments, eschan_setfragments),
KOBJMETHOD(channel_trigger, eschan_trigger),
KOBJMETHOD(channel_getptr, eschan_getptr),
KOBJMETHOD(channel_getcaps, eschan_getcaps),
KOBJMETHOD_END
};
CHANNEL_DECLARE(eschan1371);
/* -------------------------------------------------------------------- */
/* The interrupt handler */
static void
es_intr(void *p)
{
struct es_info *es = p;
uint32_t intsrc, sctrl;
ES_LOCK(es);
if (es->polling != 0) {
ES_UNLOCK(es);
return;
}
intsrc = es_rd(es, ES1370_REG_STATUS, 4);
if ((intsrc & STAT_INTR) == 0) {
ES_UNLOCK(es);
return;
}
sctrl = es->sctrl;
if (intsrc & STAT_ADC)
sctrl &= ~SCTRL_R1INTEN;
if (intsrc & STAT_DAC1)
sctrl &= ~SCTRL_P1INTEN;
if (intsrc & STAT_DAC2)
sctrl &= ~SCTRL_P2INTEN;
es_wr(es, ES1370_REG_SERIAL_CONTROL, sctrl, 4);
es_wr(es, ES1370_REG_SERIAL_CONTROL, es->sctrl, 4);
ES_UNLOCK(es);
if (intsrc & STAT_ADC)
chn_intr(es->ch[ES_ADC].channel);
if (intsrc & STAT_DAC1)
chn_intr(es->ch[ES_DAC1].channel);
if (intsrc & STAT_DAC2)
chn_intr(es->ch[ES_DAC2].channel);
}
/* ES1370 specific */
static int
es1370_init(struct es_info *es)
{
uint32_t fixed_rate;
int r, single_pcm;
/* ES1370 default to fixed rate operation */
if (resource_int_value(device_get_name(es->dev),
device_get_unit(es->dev), "fixed_rate", &r) == 0) {
fixed_rate = r;
if (fixed_rate) {
if (fixed_rate < es_caps.minspeed)
fixed_rate = es_caps.minspeed;
if (fixed_rate > es_caps.maxspeed)
fixed_rate = es_caps.maxspeed;
}
} else
fixed_rate = es_caps.maxspeed;
if (resource_int_value(device_get_name(es->dev),
device_get_unit(es->dev), "single_pcm_mixer", &r) == 0)
single_pcm = (r != 0) ? 1 : 0;
else
single_pcm = 1;
ES_LOCK(es);
if (ES_NUMPLAY(es->escfg) == 1)
single_pcm = 1;
/* This is ES1370 */
es->escfg = ES_SET_IS_ES1370(es->escfg, 1);
if (fixed_rate)
es->escfg = ES_SET_FIXED_RATE(es->escfg, fixed_rate);
else {
es->escfg = ES_SET_FIXED_RATE(es->escfg, 0);
fixed_rate = DSP_DEFAULT_SPEED;
}
if (single_pcm)
es->escfg = ES_SET_SINGLE_PCM_MIX(es->escfg, 1);
else
es->escfg = ES_SET_SINGLE_PCM_MIX(es->escfg, 0);
es->ctrl = CTRL_CDC_EN | CTRL_JYSTK_EN | CTRL_SERR_DIS |
(DAC2_SRTODIV(fixed_rate) << CTRL_SH_PCLKDIV);
es->ctrl |= 3 << CTRL_SH_WTSRSEL;
es_wr(es, ES1370_REG_CONTROL, es->ctrl, 4);
es->sctrl = 0;
es_wr(es, ES1370_REG_SERIAL_CONTROL, es->sctrl, 4);
/* No RST, PD */
es1370_wrcodec(es, CODEC_RES_PD, 3);
/*
* CODEC ADC and CODEC DAC use {LR,B}CLK2 and run off the LRCLK2 PLL;
* program DAC_SYNC=0!
*/
es1370_wrcodec(es, CODEC_CSEL, 0);
/* Recording source is mixer */
es1370_wrcodec(es, CODEC_ADSEL, 0);
/* MIC amp is 0db */
es1370_wrcodec(es, CODEC_MGAIN, 0);
ES_UNLOCK(es);
return (0);
}
/* ES1371 specific */
int
es1371_init(struct es_info *es)
{
uint32_t cssr, devid, revid, subdev;
int idx;
ES_LOCK(es);
/* This is NOT ES1370 */
es->escfg = ES_SET_IS_ES1370(es->escfg, 0);
es->num = 0;
es->sctrl = 0;
cssr = 0;
devid = pci_get_devid(es->dev);
revid = pci_get_revid(es->dev);
subdev = (pci_get_subdevice(es->dev) << 16) |
pci_get_subvendor(es->dev);
/*
* Joyport blacklist. Either we're facing with broken hardware
* or because this hardware need special (unknown) initialization
* procedures.
*/
switch (subdev) {
case 0x20001274: /* old Ensoniq */
es->ctrl = 0;
break;
default:
es->ctrl = CTRL_JYSTK_EN;
break;
}
if (devid == CT4730_PCI_ID) {
/* XXX amplifier hack? */
es->ctrl |= (1 << 16);
}
/* initialize the chips */
es_wr(es, ES1370_REG_CONTROL, es->ctrl, 4);
es_wr(es, ES1370_REG_SERIAL_CONTROL, es->sctrl, 4);
es_wr(es, ES1371_REG_LEGACY, 0, 4);
if ((devid == ES1371_PCI_ID && revid == ES1371REV_ES1373_8) ||
(devid == ES1371_PCI_ID && revid == ES1371REV_CT5880_A) ||
(devid == CT5880_PCI_ID && revid == CT5880REV_CT5880_C) ||
(devid == CT5880_PCI_ID && revid == CT5880REV_CT5880_D) ||
(devid == CT5880_PCI_ID && revid == CT5880REV_CT5880_E)) {
cssr = 1 << 29;
es_wr(es, ES1370_REG_STATUS, cssr, 4);
DELAY(20000);
}
/* AC'97 warm reset to start the bitclk */
es_wr(es, ES1370_REG_CONTROL, es->ctrl, 4);
es_wr(es, ES1371_REG_LEGACY, ES1371_SYNC_RES, 4);
DELAY(2000);
es_wr(es, ES1370_REG_CONTROL, es->sctrl, 4);
es1371_wait_src_ready(es);
/* Init the sample rate converter */
es_wr(es, ES1371_REG_SMPRATE, ES1371_DIS_SRC, 4);
for (idx = 0; idx < 0x80; idx++)
es1371_src_write(es, idx, 0);
es1371_src_write(es, ES_SMPREG_DAC1 + ES_SMPREG_TRUNC_N, 16 << 4);
es1371_src_write(es, ES_SMPREG_DAC1 + ES_SMPREG_INT_REGS, 16 << 10);
es1371_src_write(es, ES_SMPREG_DAC2 + ES_SMPREG_TRUNC_N, 16 << 4);
es1371_src_write(es, ES_SMPREG_DAC2 + ES_SMPREG_INT_REGS, 16 << 10);
es1371_src_write(es, ES_SMPREG_VOL_ADC, 1 << 12);
es1371_src_write(es, ES_SMPREG_VOL_ADC + 1, 1 << 12);
es1371_src_write(es, ES_SMPREG_VOL_DAC1, 1 << 12);
es1371_src_write(es, ES_SMPREG_VOL_DAC1 + 1, 1 << 12);
es1371_src_write(es, ES_SMPREG_VOL_DAC2, 1 << 12);
es1371_src_write(es, ES_SMPREG_VOL_DAC2 + 1, 1 << 12);
es1371_adc_rate(es, 22050, ES_ADC);
es1371_dac_rate(es, 22050, ES_DAC1);
es1371_dac_rate(es, 22050, ES_DAC2);
/*
* WARNING:
* enabling the sample rate converter without properly programming
* its parameters causes the chip to lock up (the SRC busy bit will
* be stuck high, and I've found no way to rectify this other than
* power cycle)
*/
es1371_wait_src_ready(es);
es_wr(es, ES1371_REG_SMPRATE, 0, 4);
/* try to reset codec directly */
es_wr(es, ES1371_REG_CODEC, 0, 4);
es_wr(es, ES1370_REG_STATUS, cssr, 4);
ES_UNLOCK(es);
return (0);
}
/* -------------------------------------------------------------------- */
static int
es1371_wrcd(kobj_t obj, void *s, int addr, uint32_t data)
{
uint32_t t, x, orig;
struct es_info *es = (struct es_info*)s;
for (t = 0; t < 0x1000; t++) {
if (!es_rd(es, ES1371_REG_CODEC & CODEC_WIP, 4))
break;
}
/* save the current state for later */
x = orig = es_rd(es, ES1371_REG_SMPRATE, 4);
/* enable SRC state data in SRC mux */
es_wr(es, ES1371_REG_SMPRATE, (x & (ES1371_DIS_SRC | ES1371_DIS_P1 |
ES1371_DIS_P2 | ES1371_DIS_R1)) | 0x00010000, 4);
/* busy wait */
for (t = 0; t < 0x1000; t++) {
if ((es_rd(es, ES1371_REG_SMPRATE, 4) & 0x00870000) ==
0x00000000)
break;
}
/* wait for a SAFE time to write addr/data and then do it, dammit */
for (t = 0; t < 0x1000; t++) {
if ((es_rd(es, ES1371_REG_SMPRATE, 4) & 0x00870000) ==
0x00010000)
break;
}
es_wr(es, ES1371_REG_CODEC, ((addr << CODEC_POADD_SHIFT) &
CODEC_POADD_MASK) | ((data << CODEC_PODAT_SHIFT) &
CODEC_PODAT_MASK), 4);
/* restore SRC reg */
es1371_wait_src_ready(s);
es_wr(es, ES1371_REG_SMPRATE, orig, 4);
return (0);
}
static int
es1371_rdcd(kobj_t obj, void *s, int addr)
{
uint32_t t, x, orig;
struct es_info *es = (struct es_info *)s;
for (t = 0; t < 0x1000; t++) {
if (!(x = es_rd(es, ES1371_REG_CODEC, 4) & CODEC_WIP))
break;
}
/* save the current state for later */
x = orig = es_rd(es, ES1371_REG_SMPRATE, 4);
/* enable SRC state data in SRC mux */
es_wr(es, ES1371_REG_SMPRATE, (x & (ES1371_DIS_SRC | ES1371_DIS_P1 |
ES1371_DIS_P2 | ES1371_DIS_R1)) | 0x00010000, 4);
/* busy wait */
for (t = 0; t < 0x1000; t++) {
if ((x = es_rd(es, ES1371_REG_SMPRATE, 4) & 0x00870000) ==
0x00000000)
break;
}
/* wait for a SAFE time to write addr/data and then do it, dammit */
for (t = 0; t < 0x1000; t++) {
if ((x = es_rd(es, ES1371_REG_SMPRATE, 4) & 0x00870000) ==
0x00010000)
break;
}
es_wr(es, ES1371_REG_CODEC, ((addr << CODEC_POADD_SHIFT) &
CODEC_POADD_MASK) | CODEC_PORD, 4);
/* restore SRC reg */
es1371_wait_src_ready(s);
es_wr(es, ES1371_REG_SMPRATE, orig, 4);
/* now wait for the stinkin' data (RDY) */
for (t = 0; t < 0x1000; t++) {
if ((x = es_rd(es, ES1371_REG_CODEC, 4)) & CODEC_RDY)
break;
}
return ((x & CODEC_PIDAT_MASK) >> CODEC_PIDAT_SHIFT);
}
static kobj_method_t es1371_ac97_methods[] = {
KOBJMETHOD(ac97_read, es1371_rdcd),
KOBJMETHOD(ac97_write, es1371_wrcd),
KOBJMETHOD_END
};
AC97_DECLARE(es1371_ac97);
/* -------------------------------------------------------------------- */
static unsigned int
es1371_src_read(struct es_info *es, unsigned short reg)
{
uint32_t r;
r = es1371_wait_src_ready(es) & (ES1371_DIS_SRC | ES1371_DIS_P1 |
ES1371_DIS_P2 | ES1371_DIS_R1);
r |= ES1371_SRC_RAM_ADDRO(reg);
es_wr(es, ES1371_REG_SMPRATE, r, 4);
return (ES1371_SRC_RAM_DATAI(es1371_wait_src_ready(es)));
}
static void
es1371_src_write(struct es_info *es, unsigned short reg, unsigned short data)
{
uint32_t r;
r = es1371_wait_src_ready(es) & (ES1371_DIS_SRC | ES1371_DIS_P1 |
ES1371_DIS_P2 | ES1371_DIS_R1);
r |= ES1371_SRC_RAM_ADDRO(reg) | ES1371_SRC_RAM_DATAO(data);
es_wr(es, ES1371_REG_SMPRATE, r | ES1371_SRC_RAM_WE, 4);
}
static unsigned int
es1371_adc_rate(struct es_info *es, unsigned int rate, int set)
{
unsigned int n, truncm, freq, result;
ES_LOCK_ASSERT(es);
if (rate > 48000)
rate = 48000;
if (rate < 4000)
rate = 4000;
n = rate / 3000;
if ((1 << n) & ((1 << 15) | (1 << 13) | (1 << 11) | (1 << 9)))
n--;
truncm = (21 * n - 1) | 1;
freq = ((48000UL << 15) / rate) * n;
result = (48000UL << 15) / (freq / n);
if (set) {
if (rate >= 24000) {
if (truncm > 239)
truncm = 239;
es1371_src_write(es, ES_SMPREG_ADC + ES_SMPREG_TRUNC_N,
(((239 - truncm) >> 1) << 9) | (n << 4));
} else {
if (truncm > 119)
truncm = 119;
es1371_src_write(es, ES_SMPREG_ADC + ES_SMPREG_TRUNC_N,
0x8000 | (((119 - truncm) >> 1) << 9) | (n << 4));
}
es1371_src_write(es, ES_SMPREG_ADC + ES_SMPREG_INT_REGS,
(es1371_src_read(es, ES_SMPREG_ADC + ES_SMPREG_INT_REGS) &
0x00ff) | ((freq >> 5) & 0xfc00));
es1371_src_write(es, ES_SMPREG_ADC + ES_SMPREG_VFREQ_FRAC,
freq & 0x7fff);
es1371_src_write(es, ES_SMPREG_VOL_ADC, n << 8);
es1371_src_write(es, ES_SMPREG_VOL_ADC + 1, n << 8);
}
return (result);
}
static unsigned int
es1371_dac_rate(struct es_info *es, unsigned int rate, int set)
{
unsigned int freq, r, result, dac, dis;
ES_LOCK_ASSERT(es);
if (rate > 48000)
rate = 48000;
if (rate < 4000)
rate = 4000;
freq = ((rate << 15) + 1500) / 3000;
result = (freq * 3000) >> 15;
dac = (set == ES_DAC1) ? ES_SMPREG_DAC1 : ES_SMPREG_DAC2;
dis = (set == ES_DAC1) ? ES1371_DIS_P2 : ES1371_DIS_P1;
r = (es1371_wait_src_ready(es) & (ES1371_DIS_SRC | ES1371_DIS_P1 |
ES1371_DIS_P2 | ES1371_DIS_R1));
es_wr(es, ES1371_REG_SMPRATE, r, 4);
es1371_src_write(es, dac + ES_SMPREG_INT_REGS,
(es1371_src_read(es, dac + ES_SMPREG_INT_REGS) & 0x00ff) |
((freq >> 5) & 0xfc00));
es1371_src_write(es, dac + ES_SMPREG_VFREQ_FRAC, freq & 0x7fff);
r = (es1371_wait_src_ready(es) &
(ES1371_DIS_SRC | dis | ES1371_DIS_R1));
es_wr(es, ES1371_REG_SMPRATE, r, 4);
return (result);
}
static uint32_t
es1371_wait_src_ready(struct es_info *es)
{
uint32_t t, r;
for (t = 0; t < 0x1000; t++) {
if (!((r = es_rd(es, ES1371_REG_SMPRATE, 4)) &
ES1371_SRC_RAM_BUSY))
return (r);
DELAY(1);
}
device_printf(es->dev, "%s: timed out 0x%x [0x%x]\n", __func__,
ES1371_REG_SMPRATE, r);
return (0);
}
/* -------------------------------------------------------------------- */
/*
* Probe and attach the card
*/
static int
es_pci_probe(device_t dev)
{
switch(pci_get_devid(dev)) {
case ES1370_PCI_ID:
device_set_desc(dev, "AudioPCI ES1370");
return (BUS_PROBE_DEFAULT);
case ES1371_PCI_ID:
switch(pci_get_revid(dev)) {
case ES1371REV_ES1371_A:
device_set_desc(dev, "AudioPCI ES1371-A");
return (BUS_PROBE_DEFAULT);
case ES1371REV_ES1371_B:
device_set_desc(dev, "AudioPCI ES1371-B");
return (BUS_PROBE_DEFAULT);
case ES1371REV_ES1373_A:
device_set_desc(dev, "AudioPCI ES1373-A");
return (BUS_PROBE_DEFAULT);
case ES1371REV_ES1373_B:
device_set_desc(dev, "AudioPCI ES1373-B");
return (BUS_PROBE_DEFAULT);
case ES1371REV_ES1373_8:
device_set_desc(dev, "AudioPCI ES1373-8");
return (BUS_PROBE_DEFAULT);
case ES1371REV_CT5880_A:
device_set_desc(dev, "Creative CT5880-A");
return (BUS_PROBE_DEFAULT);
default:
device_set_desc(dev, "AudioPCI ES1371-?");
device_printf(dev,
"unknown revision %d -- please report to "
"freebsd-multimedia@freebsd.org\n",
pci_get_revid(dev));
return (BUS_PROBE_DEFAULT);
}
case ES1371_PCI_ID2:
device_set_desc(dev, "Strange AudioPCI ES1371-? (vid=3274)");
device_printf(dev,
"unknown revision %d -- please report to "
"freebsd-multimedia@freebsd.org\n", pci_get_revid(dev));
return (BUS_PROBE_DEFAULT);
case CT4730_PCI_ID:
switch(pci_get_revid(dev)) {
case CT4730REV_CT4730_A:
device_set_desc(dev,
"Creative SB AudioPCI CT4730/EV1938");
return (BUS_PROBE_DEFAULT);
default:
device_set_desc(dev, "Creative SB AudioPCI CT4730-?");
device_printf(dev,
"unknown revision %d -- please report to "
"freebsd-multimedia@freebsd.org\n",
pci_get_revid(dev));
return (BUS_PROBE_DEFAULT);
}
case CT5880_PCI_ID:
switch(pci_get_revid(dev)) {
case CT5880REV_CT5880_C:
device_set_desc(dev, "Creative CT5880-C");
return (BUS_PROBE_DEFAULT);
case CT5880REV_CT5880_D:
device_set_desc(dev, "Creative CT5880-D");
return (BUS_PROBE_DEFAULT);
case CT5880REV_CT5880_E:
device_set_desc(dev, "Creative CT5880-E");
return (BUS_PROBE_DEFAULT);
default:
device_set_desc(dev, "Creative CT5880-?");
device_printf(dev,
"unknown revision %d -- please report to "
"freebsd-multimedia@freebsd.org\n",
pci_get_revid(dev));
return (BUS_PROBE_DEFAULT);
}
default:
return (ENXIO);
}
}
static int
sysctl_es137x_spdif_enable(SYSCTL_HANDLER_ARGS)
{
struct es_info *es;
device_t dev;
uint32_t r;
int err, new_en;
dev = oidp->oid_arg1;
es = pcm_getdevinfo(dev);
ES_LOCK(es);
r = es_rd(es, ES1370_REG_STATUS, 4);
ES_UNLOCK(es);
new_en = (r & ENABLE_SPDIF) ? 1 : 0;
err = sysctl_handle_int(oidp, &new_en, 0, req);
if (err || req->newptr == NULL)
return (err);
if (new_en < 0 || new_en > 1)
return (EINVAL);
ES_LOCK(es);
if (new_en) {
r |= ENABLE_SPDIF;
es->ctrl |= SPDIFEN_B;
es->ctrl |= RECEN_B;
} else {
r &= ~ENABLE_SPDIF;
es->ctrl &= ~SPDIFEN_B;
es->ctrl &= ~RECEN_B;
}
es_wr(es, ES1370_REG_CONTROL, es->ctrl, 4);
es_wr(es, ES1370_REG_STATUS, r, 4);
ES_UNLOCK(es);
return (0);
}
static int
sysctl_es137x_latency_timer(SYSCTL_HANDLER_ARGS)
{
struct es_info *es;
device_t dev;
uint32_t val;
int err;
dev = oidp->oid_arg1;
es = pcm_getdevinfo(dev);
ES_LOCK(es);
val = pci_read_config(dev, PCIR_LATTIMER, 1);
ES_UNLOCK(es);
err = sysctl_handle_int(oidp, &val, 0, req);
if (err || req->newptr == NULL)
return (err);
if (val > 255)
return (EINVAL);
ES_LOCK(es);
pci_write_config(dev, PCIR_LATTIMER, val, 1);
ES_UNLOCK(es);
return (0);
}
static int
sysctl_es137x_fixed_rate(SYSCTL_HANDLER_ARGS)
{
struct es_info *es;
device_t dev;
uint32_t val;
int err;
dev = oidp->oid_arg1;
es = pcm_getdevinfo(dev);
ES_LOCK(es);
val = ES_FIXED_RATE(es->escfg);
if (val < es_caps.minspeed)
val = 0;
ES_UNLOCK(es);
err = sysctl_handle_int(oidp, &val, 0, req);
if (err || req->newptr == NULL)
return (err);
if (val != 0 && (val < es_caps.minspeed || val > es_caps.maxspeed))
return (EINVAL);
ES_LOCK(es);
if (es->ctrl & (CTRL_DAC2_EN|CTRL_ADC_EN)) {
ES_UNLOCK(es);
return (EBUSY);
}
if (val) {
if (val != ES_FIXED_RATE(es->escfg)) {
es->escfg = ES_SET_FIXED_RATE(es->escfg, val);
es->ch[ES_DAC2].caps.maxspeed = val;
es->ch[ES_DAC2].caps.minspeed = val;
es->ch[ES_ADC].caps.maxspeed = val;
es->ch[ES_ADC].caps.minspeed = val;
es->ctrl &= ~CTRL_PCLKDIV;
es->ctrl |= DAC2_SRTODIV(val) << CTRL_SH_PCLKDIV;
es_wr(es, ES1370_REG_CONTROL, es->ctrl, 4);
}
} else {
es->escfg = ES_SET_FIXED_RATE(es->escfg, 0);
es->ch[ES_DAC2].caps = es_caps;
es->ch[ES_ADC].caps = es_caps;
}
ES_UNLOCK(es);
return (0);
}
static int
sysctl_es137x_single_pcm_mixer(SYSCTL_HANDLER_ARGS)
{
struct es_info *es;
struct snddev_info *d;
struct snd_mixer *m;
device_t dev;
uint32_t val, set;
int recsrc, level, err;
dev = oidp->oid_arg1;
d = device_get_softc(dev);
if (!PCM_REGISTERED(d) || d->mixer_dev == NULL ||
d->mixer_dev->si_drv1 == NULL)
return (EINVAL);
es = d->devinfo;
if (es == NULL)
return (EINVAL);
ES_LOCK(es);
set = ES_SINGLE_PCM_MIX(es->escfg);
val = set;
ES_UNLOCK(es);
err = sysctl_handle_int(oidp, &val, 0, req);
if (err || req->newptr == NULL)
return (err);
if (!(val == 0 || val == 1))
return (EINVAL);
if (val == set)
return (0);
PCM_ACQUIRE_QUICK(d);
m = (d->mixer_dev != NULL) ? d->mixer_dev->si_drv1 : NULL;
if (m == NULL) {
PCM_RELEASE_QUICK(d);
return (ENODEV);
}
if (mixer_busy(m) != 0) {
PCM_RELEASE_QUICK(d);
return (EBUSY);
}
level = mix_get(m, SOUND_MIXER_PCM);
recsrc = mix_getrecsrc(m);
if (level < 0 || recsrc < 0) {
PCM_RELEASE_QUICK(d);
return (ENXIO);
}
ES_LOCK(es);
if (es->ctrl & (CTRL_ADC_EN | CTRL_DAC1_EN | CTRL_DAC2_EN)) {
ES_UNLOCK(es);
PCM_RELEASE_QUICK(d);
return (EBUSY);
}
if (val)
es->escfg = ES_SET_SINGLE_PCM_MIX(es->escfg, 1);
else
es->escfg = ES_SET_SINGLE_PCM_MIX(es->escfg, 0);
ES_UNLOCK(es);
if (!val) {
mix_setdevs(m, mix_getdevs(m) | (1 << SOUND_MIXER_SYNTH));
mix_setrecdevs(m, mix_getrecdevs(m) | (1 << SOUND_MIXER_SYNTH));
err = mix_set(m, SOUND_MIXER_SYNTH, level & 0x7f,
(level >> 8) & 0x7f);
} else {
err = mix_set(m, SOUND_MIXER_SYNTH, level & 0x7f,
(level >> 8) & 0x7f);
mix_setdevs(m, mix_getdevs(m) & ~(1 << SOUND_MIXER_SYNTH));
mix_setrecdevs(m, mix_getrecdevs(m) &
~(1 << SOUND_MIXER_SYNTH));
}
if (!err) {
level = recsrc;
if (recsrc & (1 << SOUND_MIXER_PCM))
recsrc |= 1 << SOUND_MIXER_SYNTH;
else if (recsrc & (1 << SOUND_MIXER_SYNTH))
recsrc |= 1 << SOUND_MIXER_PCM;
if (level != recsrc)
err = mix_setrecsrc(m, recsrc);
}
PCM_RELEASE_QUICK(d);
return (err);
}
static int
sysctl_es_polling(SYSCTL_HANDLER_ARGS)
{
struct es_info *es;
device_t dev;
int err, val;
dev = oidp->oid_arg1;
es = pcm_getdevinfo(dev);
if (es == NULL)
return (EINVAL);
ES_LOCK(es);
val = es->polling;
ES_UNLOCK(es);
err = sysctl_handle_int(oidp, &val, 0, req);
if (err || req->newptr == NULL)
return (err);
if (val < 0 || val > 1)
return (EINVAL);
ES_LOCK(es);
if (val != es->polling) {
if (es_chan_active(es) != 0)
err = EBUSY;
else if (val == 0)
es->polling = 0;
else
es->polling = 1;
}
ES_UNLOCK(es);
return (err);
}
static void
es_init_sysctls(device_t dev)
{
struct es_info *es;
int r, devid, revid;
devid = pci_get_devid(dev);
revid = pci_get_revid(dev);
es = pcm_getdevinfo(dev);
if ((devid == ES1371_PCI_ID && revid == ES1371REV_ES1373_8) ||
(devid == ES1371_PCI_ID && revid == ES1371REV_CT5880_A) ||
(devid == CT5880_PCI_ID && revid == CT5880REV_CT5880_C) ||
(devid == CT5880_PCI_ID && revid == CT5880REV_CT5880_D) ||
(devid == CT5880_PCI_ID && revid == CT5880REV_CT5880_E)) {
/* XXX: an user should be able to set this with a control tool,
if not done before 7.0-RELEASE, this needs to be converted
to a device specific sysctl "dev.pcm.X.yyy" via
device_get_sysctl_*() as discussed on multimedia@ in msg-id
<861wujij2q.fsf@xps.des.no> */
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
"spdif_enabled", CTLTYPE_INT | CTLFLAG_RW, dev, sizeof(dev),
sysctl_es137x_spdif_enable, "I",
"Enable S/PDIF output on primary playback channel");
} else if (devid == ES1370_PCI_ID) {
/*
* Enable fixed rate sysctl if both DAC2 / ADC enabled.
*/
if (es->ch[ES_DAC2].channel != NULL &&
es->ch[ES_ADC].channel != NULL) {
/* XXX: an user should be able to set this with a control tool,
if not done before 7.0-RELEASE, this needs to be converted
to a device specific sysctl "dev.pcm.X.yyy" via
device_get_sysctl_*() as discussed on multimedia@ in msg-id
<861wujij2q.fsf@xps.des.no> */
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
OID_AUTO, "fixed_rate", CTLTYPE_INT | CTLFLAG_RW,
dev, sizeof(dev), sysctl_es137x_fixed_rate, "I",
"Enable fixed rate playback/recording");
}
/*
* Enable single pcm mixer sysctl if both DAC1/2 enabled.
*/
if (es->ch[ES_DAC1].channel != NULL &&
es->ch[ES_DAC2].channel != NULL) {
/* XXX: an user should be able to set this with a control tool,
if not done before 7.0-RELEASE, this needs to be converted
to a device specific sysctl "dev.pcm.X.yyy" via
device_get_sysctl_*() as discussed on multimedia@ in msg-id
<861wujij2q.fsf@xps.des.no> */
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
OID_AUTO, "single_pcm_mixer",
CTLTYPE_INT | CTLFLAG_RW, dev, sizeof(dev),
sysctl_es137x_single_pcm_mixer, "I",
"Single PCM mixer controller for both DAC1/DAC2");
}
}
if (resource_int_value(device_get_name(dev), device_get_unit(dev),
"latency_timer", &r) == 0 && !(r < 0 || r > 255))
pci_write_config(dev, PCIR_LATTIMER, r, 1);
/* XXX: this needs to be converted to a device specific sysctl
"dev.pcm.X.yyy" via device_get_sysctl_*() as discussed on
multimedia@ in msg-id <861wujij2q.fsf@xps.des.no> */
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
"latency_timer", CTLTYPE_INT | CTLFLAG_RW, dev, sizeof(dev),
sysctl_es137x_latency_timer, "I",
"PCI Latency Timer configuration");
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
"polling", CTLTYPE_INT | CTLFLAG_RW, dev, sizeof(dev),
sysctl_es_polling, "I",
"Enable polling mode");
}
static int
es_pci_attach(device_t dev)
{
uint32_t data;
struct es_info *es = NULL;
int mapped, i, numplay, dac_cfg;
char status[SND_STATUSLEN];
struct ac97_info *codec = NULL;
kobj_class_t ct = NULL;
uint32_t devid;
es = malloc(sizeof *es, M_DEVBUF, M_WAITOK | M_ZERO);
es->lock = snd_mtxcreate(device_get_nameunit(dev), "snd_es137x softc");
es->dev = dev;
es->escfg = 0;
mapped = 0;
pci_enable_busmaster(dev);
data = pci_read_config(dev, PCIR_COMMAND, 2);
data |= (PCIM_CMD_PORTEN|PCIM_CMD_MEMEN);
pci_write_config(dev, PCIR_COMMAND, data, 2);
data = pci_read_config(dev, PCIR_COMMAND, 2);
if (mapped == 0 && (data & PCIM_CMD_MEMEN)) {
es->regid = MEM_MAP_REG;
es->regtype = SYS_RES_MEMORY;
es->reg = bus_alloc_resource_any(dev, es->regtype, &es->regid,
RF_ACTIVE);
if (es->reg)
mapped++;
}
if (mapped == 0 && (data & PCIM_CMD_PORTEN)) {
es->regid = PCIR_BAR(0);
es->regtype = SYS_RES_IOPORT;
es->reg = bus_alloc_resource_any(dev, es->regtype, &es->regid,
RF_ACTIVE);
if (es->reg)
mapped++;
}
if (mapped == 0) {
device_printf(dev, "unable to map register space\n");
goto bad;
}
es->st = rman_get_bustag(es->reg);
es->sh = rman_get_bushandle(es->reg);
callout_init(&es->poll_timer, CALLOUT_MPSAFE);
es->poll_ticks = 1;
if (resource_int_value(device_get_name(dev),
device_get_unit(dev), "polling", &i) == 0 && i != 0)
es->polling = 1;
else
es->polling = 0;
es->bufsz = pcm_getbuffersize(dev, 4096, ES_DEFAULT_BUFSZ, 65536);
if (resource_int_value(device_get_name(dev),
device_get_unit(dev), "blocksize", &i) == 0 && i > 0) {
i &= ES_BLK_ALIGN;
if (i < ES_BLK_MIN)
i = ES_BLK_MIN;
es->blkcnt = es->bufsz / i;
i = 0;
while (es->blkcnt >> i)
i++;
es->blkcnt = 1 << (i - 1);
if (es->blkcnt < ES_DMA_SEGS_MIN)
es->blkcnt = ES_DMA_SEGS_MIN;
else if (es->blkcnt > ES_DMA_SEGS_MAX)
es->blkcnt = ES_DMA_SEGS_MAX;
} else
es->blkcnt = 2;
if (resource_int_value(device_get_name(dev), device_get_unit(dev),
"dac", &dac_cfg) == 0) {
if (dac_cfg < 0 || dac_cfg > 3)
dac_cfg = ES_DEFAULT_DAC_CFG;
} else
dac_cfg = ES_DEFAULT_DAC_CFG;
switch (dac_cfg) {
case 0: /* Enable all DAC: DAC1, DAC2 */
numplay = 2;
es->escfg = ES_SET_DAC_FIRST(es->escfg, ES_DAC1);
es->escfg = ES_SET_DAC_SECOND(es->escfg, ES_DAC2);
break;
case 1: /* Only DAC1 */
numplay = 1;
es->escfg = ES_SET_DAC_FIRST(es->escfg, ES_DAC1);
break;
case 3: /* Enable all DAC / swap position: DAC2, DAC1 */
numplay = 2;
es->escfg = ES_SET_DAC_FIRST(es->escfg, ES_DAC2);
es->escfg = ES_SET_DAC_SECOND(es->escfg, ES_DAC1);
break;
case 2: /* Only DAC2 */
default:
numplay = 1;
es->escfg = ES_SET_DAC_FIRST(es->escfg, ES_DAC2);
break;
}
es->escfg = ES_SET_NUMPLAY(es->escfg, numplay);
es->escfg = ES_SET_NUMREC(es->escfg, 1);
devid = pci_get_devid(dev);
switch (devid) {
case ES1371_PCI_ID:
case ES1371_PCI_ID2:
case CT5880_PCI_ID:
case CT4730_PCI_ID:
es1371_init(es);
codec = AC97_CREATE(dev, es, es1371_ac97);
if (codec == NULL)
goto bad;
/* our init routine does everything for us */
/* set to NULL; flag mixer_init not to run the ac97_init */
/* ac97_mixer.init = NULL; */
if (mixer_init(dev, ac97_getmixerclass(), codec))
goto bad;
ct = &eschan1371_class;
break;
case ES1370_PCI_ID:
es1370_init(es);
/*
* Disable fixed rate operation if DAC2 disabled.
* This is a special case for es1370 only, where the
* speed of both ADC and DAC2 locked together.
*/
if (!ES_DAC2_ENABLED(es->escfg))
es->escfg = ES_SET_FIXED_RATE(es->escfg, 0);
if (mixer_init(dev, &es1370_mixer_class, es))
goto bad;
ct = &eschan1370_class;
break;
default:
goto bad;
/* NOTREACHED */
}
es->irqid = 0;
es->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &es->irqid,
RF_ACTIVE | RF_SHAREABLE);
if (!es->irq || snd_setup_intr(dev, es->irq, INTR_MPSAFE, es_intr,
es, &es->ih)) {
device_printf(dev, "unable to map interrupt\n");
goto bad;
}
if (bus_dma_tag_create(/*parent*/bus_get_dma_tag(dev),
/*alignment*/2, /*boundary*/0,
/*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
/*highaddr*/BUS_SPACE_MAXADDR,
/*filter*/NULL, /*filterarg*/NULL,
/*maxsize*/es->bufsz, /*nsegments*/1, /*maxsegz*/0x3ffff,
/*flags*/0, /*lockfunc*/NULL,
/*lockarg*/NULL, &es->parent_dmat) != 0) {
device_printf(dev, "unable to create dma tag\n");
goto bad;
}
snprintf(status, SND_STATUSLEN, "at %s 0x%lx irq %ld %s",
(es->regtype == SYS_RES_IOPORT)? "io" : "memory",
rman_get_start(es->reg), rman_get_start(es->irq),
PCM_KLDSTRING(snd_es137x));
if (pcm_register(dev, es, numplay, 1))
goto bad;
for (i = 0; i < numplay; i++)
pcm_addchan(dev, PCMDIR_PLAY, ct, es);
pcm_addchan(dev, PCMDIR_REC, ct, es);
es_init_sysctls(dev);
pcm_setstatus(dev, status);
es->escfg = ES_SET_GP(es->escfg, 0);
if (numplay == 1)
device_printf(dev, "<Playback: DAC%d / Record: ADC>\n",
ES_DAC_FIRST(es->escfg) + 1);
else if (numplay == 2)
device_printf(dev, "<Playback: DAC%d,DAC%d / Record: ADC>\n",
ES_DAC_FIRST(es->escfg) + 1, ES_DAC_SECOND(es->escfg) + 1);
return (0);
bad:
if (es->parent_dmat)
bus_dma_tag_destroy(es->parent_dmat);
if (es->ih)
bus_teardown_intr(dev, es->irq, es->ih);
if (es->irq)
bus_release_resource(dev, SYS_RES_IRQ, es->irqid, es->irq);
if (codec)
ac97_destroy(codec);
if (es->reg)
bus_release_resource(dev, es->regtype, es->regid, es->reg);
if (es->lock)
snd_mtxfree(es->lock);
if (es)
free(es, M_DEVBUF);
return (ENXIO);
}
static int
es_pci_detach(device_t dev)
{
int r;
struct es_info *es;
r = pcm_unregister(dev);
if (r)
return (r);
es = pcm_getdevinfo(dev);
if (es != NULL && es->num != 0) {
ES_LOCK(es);
es->polling = 0;
callout_stop(&es->poll_timer);
ES_UNLOCK(es);
callout_drain(&es->poll_timer);
}
bus_teardown_intr(dev, es->irq, es->ih);
bus_release_resource(dev, SYS_RES_IRQ, es->irqid, es->irq);
bus_release_resource(dev, es->regtype, es->regid, es->reg);
bus_dma_tag_destroy(es->parent_dmat);
snd_mtxfree(es->lock);
free(es, M_DEVBUF);
return (0);
}
static device_method_t es_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, es_pci_probe),
DEVMETHOD(device_attach, es_pci_attach),
DEVMETHOD(device_detach, es_pci_detach),
{ 0, 0 }
};
static driver_t es_driver = {
"pcm",
es_methods,
PCM_SOFTC_SIZE,
};
DRIVER_MODULE(snd_es137x, pci, es_driver, pcm_devclass, 0, 0);
MODULE_DEPEND(snd_es137x, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
MODULE_VERSION(snd_es137x, 1);