mirror/freebsd
1
0
Fork 0
mirror of https://git.FreeBSD.org/src.git synced 2024-12-18 10:35:55 +00:00
Code Issues Releases Activity
e39756439c
freebsd/sys/dev/sound/pci/es137x.c
Cameron Grant 674c45bd04 make drivers start at beginning of buffer when triggered - improves mmap. 
not all tested.

not sure about aureal.c or csapcm.c
2000-04-17 16:57:12 +00:00

861 lines
26 KiB
C
Raw Blame History

/*
* Support the ENSONIQ AudioPCI board and Creative Labs SoundBlaster PCI
* boards based on the ES1370, ES1371 and ES1373 chips.
*
* Copyright (c) 1999 Russell Cattelan <cattelan@thebarn.com>
* Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk>
* Copyright (c) 1998 by Joachim Kuebart. 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.
*
* $FreeBSD$
*/
/*
* 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.
*
*/
#include <dev/sound/pcm/sound.h>
#include <dev/sound/pcm/ac97.h>
#include <dev/sound/pci/es137x.h>
#include <pci/pcireg.h>
#include <pci/pcivar.h>
#include <sys/sysctl.h>
static int debug = 0;
SYSCTL_INT(_debug, OID_AUTO, es_debug, CTLFLAG_RW, &debug, 0, "");
#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 ES_BUFFSIZE 4096
/* device private data */
struct es_info;
struct es_chinfo {
struct es_info *parent;
pcm_channel *channel;
snd_dbuf *buffer;
int dir, num;
u_int32_t fmt;
};
struct es_info {
bus_space_tag_t st;
bus_space_handle_t sh;
bus_dma_tag_t parent_dmat;
device_t dev;
int num;
/* Contents of board's registers */
u_long ctrl;
u_long sctrl;
struct es_chinfo pch, rch;
};
/* -------------------------------------------------------------------- */
/* prototypes */
static void es_intr(void *);
static void es1371_wrcodec(void *, int, u_int32_t);
static u_int32_t es1371_rdcodec(void *, int);
static u_int es1371_wait_src_ready(struct es_info *);
static void es1371_src_write(struct es_info *, u_short, unsigned short);
static u_int es1371_adc_rate(struct es_info *, u_int, int);
static u_int es1371_dac_rate(struct es_info *, u_int, int);
static int es1371_init(struct es_info *es, int);
static int es1370_init(struct es_info *);
static int es1370_wrcodec(struct es_info *, u_char, u_char);
/* channel interface */
static void *eschan_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir);
static int eschan_setdir(void *data, int dir);
static int eschan_setformat(void *data, u_int32_t format);
static int eschan1370_setspeed(void *data, u_int32_t speed);
static int eschan1371_setspeed(void *data, u_int32_t speed);
static int eschan_setblocksize(void *data, u_int32_t blocksize);
static int eschan_trigger(void *data, int go);
static int eschan_getptr(void *data);
static pcmchan_caps *eschan_getcaps(void *data);
static pcmchan_caps es_playcaps = {
4000, 48000,
AFMT_STEREO | AFMT_U8 | AFMT_S16_LE,
AFMT_STEREO | AFMT_S16_LE
};
static pcmchan_caps es_reccaps = {
4000, 48000,
AFMT_STEREO | AFMT_U8 | AFMT_S16_LE,
AFMT_STEREO | AFMT_S16_LE
};
static pcm_channel es1370_chantemplate = {
eschan_init,
eschan_setdir,
eschan_setformat,
eschan1370_setspeed,
eschan_setblocksize,
eschan_trigger,
eschan_getptr,
eschan_getcaps,
};
static pcm_channel es1371_chantemplate = {
eschan_init,
eschan_setdir,
eschan_setformat,
eschan1371_setspeed,
eschan_setblocksize,
eschan_trigger,
eschan_getptr,
eschan_getcaps,
};
/* -------------------------------------------------------------------- */
/* The es1370 mixer interface */
static int es1370_mixinit(snd_mixer *m);
static int es1370_mixset(snd_mixer *m, unsigned dev, unsigned left, unsigned right);
static int es1370_mixsetrecsrc(snd_mixer *m, u_int32_t src);
static snd_mixer es1370_mixer = {
"AudioPCI 1370 mixer",
es1370_mixinit,
es1370_mixset,
es1370_mixsetrecsrc,
};
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, 0x0000, 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 int
es1370_mixinit(snd_mixer *m)
{
int i;
u_int32_t v;
v = 0;
for (i = 0; i < SOUND_MIXER_NRDEVICES; i++)
if (mixtable[i].avail) v |= (1 << i);
mix_setdevs(m, v);
v = 0;
for (i = 0; i < SOUND_MIXER_NRDEVICES; i++)
if (mixtable[i].recmask) v |= (1 << i);
mix_setrecdevs(m, v);
return 0;
}
static int
es1370_mixset(snd_mixer *m, unsigned dev, unsigned left, unsigned right)
{
int l, r, rl, rr;
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 < 10)? 0x80 : 15 - (l - 10) / 6;
}
if (mixtable[dev].stereo) {
rr = (r < 10)? 0x80 : 15 - (r - 10) / 6;
es1370_wrcodec(mix_getdevinfo(m), mixtable[dev].right, rr);
}
es1370_wrcodec(mix_getdevinfo(m), mixtable[dev].left, rl);
return l | (r << 8);
}
static int
es1370_mixsetrecsrc(snd_mixer *m, u_int32_t src)
{
int i, j = 0;
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;
es1370_wrcodec(mix_getdevinfo(m), CODEC_LIMIX1, j & 0x55);
es1370_wrcodec(mix_getdevinfo(m), CODEC_RIMIX1, j & 0xaa);
es1370_wrcodec(mix_getdevinfo(m), CODEC_LIMIX2, (j >> 8) & 0x17);
es1370_wrcodec(mix_getdevinfo(m), CODEC_RIMIX2, (j >> 8) & 0x0f);
es1370_wrcodec(mix_getdevinfo(m), CODEC_OMIX1, 0x7f);
es1370_wrcodec(mix_getdevinfo(m), CODEC_OMIX2, 0x3f);
return src;
}
static int
es1370_wrcodec(struct es_info *es, u_char i, u_char data)
{
int wait = 100; /* 100 msec timeout */
do {
if ((bus_space_read_4(es->st, es->sh, ES1370_REG_STATUS) &
STAT_CSTAT) == 0) {
bus_space_write_2(es->st, es->sh, ES1370_REG_CODEC,
((u_short)i << CODEC_INDEX_SHIFT) | data);
return 0;
}
DELAY(1000);
} while (--wait);
printf("pcm: es1370_wrcodec timed out\n");
return -1;
}
/* -------------------------------------------------------------------- */
/* channel interface */
static void *
eschan_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir)
{
struct es_info *es = devinfo;
struct es_chinfo *ch = (dir == PCMDIR_PLAY)? &es->pch : &es->rch;
ch->parent = es;
ch->channel = c;
ch->buffer = b;
ch->buffer->bufsize = ES_BUFFSIZE;
ch->num = ch->parent->num++;
if (chn_allocbuf(ch->buffer, es->parent_dmat) == -1) return NULL;
return ch;
}
static int
eschan_setdir(void *data, int dir)
{
struct es_chinfo *ch = data;
struct es_info *es = ch->parent;
if (dir == PCMDIR_PLAY) {
bus_space_write_1(es->st, es->sh, ES1370_REG_MEMPAGE,
ES1370_REG_DAC2_FRAMEADR >> 8);
bus_space_write_4(es->st, es->sh, ES1370_REG_DAC2_FRAMEADR & 0xff,
vtophys(ch->buffer->buf));
bus_space_write_4(es->st, es->sh, ES1370_REG_DAC2_FRAMECNT & 0xff,
(ch->buffer->bufsize >> 2) - 1);
} else {
bus_space_write_1(es->st, es->sh, ES1370_REG_MEMPAGE,
ES1370_REG_ADC_FRAMEADR >> 8);
bus_space_write_4(es->st, es->sh, ES1370_REG_ADC_FRAMEADR & 0xff,
vtophys(ch->buffer->buf));
bus_space_write_4(es->st, es->sh, ES1370_REG_ADC_FRAMECNT & 0xff,
(ch->buffer->bufsize >> 2) - 1);
}
ch->dir = dir;
return 0;
}
static int
eschan_setformat(void *data, u_int32_t format)
{
struct es_chinfo *ch = data;
struct es_info *es = ch->parent;
if (ch->dir == PCMDIR_PLAY) {
es->sctrl &= ~SCTRL_P2FMT;
if (format & AFMT_S16_LE) es->sctrl |= SCTRL_P2SEB;
if (format & AFMT_STEREO) es->sctrl |= SCTRL_P2SMB;
} else {
es->sctrl &= ~SCTRL_R1FMT;
if (format & AFMT_S16_LE) es->sctrl |= SCTRL_R1SEB;
if (format & AFMT_STEREO) es->sctrl |= SCTRL_R1SMB;
}
bus_space_write_4(es->st, es->sh, ES1370_REG_SERIAL_CONTROL, es->sctrl);
ch->fmt = format;
return 0;
}
static int
eschan1370_setspeed(void *data, u_int32_t speed)
{
struct es_chinfo *ch = data;
struct es_info *es = ch->parent;
es->ctrl &= ~CTRL_PCLKDIV;
es->ctrl |= DAC2_SRTODIV(speed) << CTRL_SH_PCLKDIV;
bus_space_write_4(es->st, es->sh, ES1370_REG_CONTROL, es->ctrl);
/* rec/play speeds locked together - should indicate in flags */
return speed; /* XXX calc real speed */
}
int
eschan1371_setspeed(void *data, u_int32_t speed)
{
struct es_chinfo *ch = data;
struct es_info *es = ch->parent;
if (ch->dir == PCMDIR_PLAY) {
return es1371_dac_rate(es, speed, 3 - ch->num); /* play */
} else {
return es1371_adc_rate(es, speed, 1); /* record */
}
}
static int
eschan_setblocksize(void *data, u_int32_t blocksize)
{
return blocksize;
}
static int
eschan_trigger(void *data, int go)
{
struct es_chinfo *ch = data;
struct es_info *es = ch->parent;
unsigned cnt = ch->buffer->dl / ch->buffer->sample_size - 1;
if (go == PCMTRIG_EMLDMAWR) return 0;
if (ch->dir == PCMDIR_PLAY) {
if (go == PCMTRIG_START) {
int b = (ch->fmt & AFMT_S16_LE)? 2 : 1;
es->ctrl |= CTRL_DAC2_EN;
es->sctrl &= ~(SCTRL_P2ENDINC | SCTRL_P2STINC |
SCTRL_P2LOOPSEL | SCTRL_P2PAUSE |
SCTRL_P2DACSEN);
es->sctrl |= SCTRL_P2INTEN | (b << SCTRL_SH_P2ENDINC);
bus_space_write_4(es->st, es->sh,
ES1370_REG_DAC2_SCOUNT, cnt);
/* start at beginning of buffer */
bus_space_write_4(es->st, es->sh, ES1370_REG_MEMPAGE,
ES1370_REG_DAC2_FRAMECNT >> 8);
bus_space_write_4(es->st, es->sh,
ES1370_REG_DAC2_FRAMECNT & 0xff,
(ch->buffer->bufsize >> 2) - 1);
} else es->ctrl &= ~CTRL_DAC2_EN;
} else {
if (go == PCMTRIG_START) {
es->ctrl |= CTRL_ADC_EN;
es->sctrl &= ~SCTRL_R1LOOPSEL;
es->sctrl |= SCTRL_R1INTEN;
bus_space_write_4(es->st, es->sh,
ES1370_REG_ADC_SCOUNT, cnt);
/* start at beginning of buffer */
bus_space_write_4(es->st, es->sh, ES1370_REG_MEMPAGE,
ES1370_REG_ADC_FRAMECNT >> 8);
bus_space_write_4(es->st, es->sh,
ES1370_REG_ADC_FRAMECNT & 0xff,
(ch->buffer->bufsize >> 2) - 1);
} else es->ctrl &= ~CTRL_ADC_EN;
}
bus_space_write_4(es->st, es->sh, ES1370_REG_SERIAL_CONTROL, es->sctrl);
bus_space_write_4(es->st, es->sh, ES1370_REG_CONTROL, es->ctrl);
return 0;
}
static int
eschan_getptr(void *data)
{
struct es_chinfo *ch = data;
struct es_info *es = ch->parent;
u_int32_t reg, cnt;
if (ch->dir == PCMDIR_PLAY)
reg = ES1370_REG_DAC2_FRAMECNT;
else
reg = ES1370_REG_ADC_FRAMECNT;
bus_space_write_4(es->st, es->sh, ES1370_REG_MEMPAGE, reg >> 8);
cnt = bus_space_read_4(es->st, es->sh, reg & 0x000000ff) >> 16;
/* cnt is longwords */
return cnt << 2;
}
static pcmchan_caps *
eschan_getcaps(void *data)
{
struct es_chinfo *ch = data;
return (ch->dir == PCMDIR_PLAY)? &es_playcaps : &es_reccaps;
}
/* The interrupt handler */
static void
es_intr(void *p)
{
struct es_info *es = p;
unsigned intsrc, sctrl;
intsrc = bus_space_read_4(es->st, es->sh, ES1370_REG_STATUS);
if ((intsrc & STAT_INTR) == 0) 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;
bus_space_write_4(es->st, es->sh, ES1370_REG_SERIAL_CONTROL, sctrl);
bus_space_write_4(es->st, es->sh, ES1370_REG_SERIAL_CONTROL, es->sctrl);
if (intsrc & STAT_ADC) chn_intr(es->rch.channel);
if (intsrc & STAT_DAC1);
if (intsrc & STAT_DAC2) chn_intr(es->pch.channel);
}
/* ES1370 specific */
static int
es1370_init(struct es_info *es)
{
es->ctrl = CTRL_CDC_EN | CTRL_SERR_DIS |
(DAC2_SRTODIV(DSP_DEFAULT_SPEED) << CTRL_SH_PCLKDIV);
bus_space_write_4(es->st, es->sh, ES1370_REG_CONTROL, es->ctrl);
es->sctrl = 0;
bus_space_write_4(es->st, es->sh, ES1370_REG_SERIAL_CONTROL, es->sctrl);
es1370_wrcodec(es, CODEC_RES_PD, 3);/* No RST, PD */
es1370_wrcodec(es, CODEC_CSEL, 0); /* CODEC ADC and CODEC DAC use
* {LR,B}CLK2 and run off the LRCLK2
* PLL; program DAC_SYNC=0! */
es1370_wrcodec(es, CODEC_ADSEL, 0);/* Recording source is mixer */
es1370_wrcodec(es, CODEC_MGAIN, 0);/* MIC amp is 0db */
return 0;
}
/* ES1371 specific */
int
es1371_init(struct es_info *es, int rev)
{
int idx;
if (debug > 0) printf("es_init\n");
es->num = 0;
es->ctrl = 0;
es->sctrl = 0;
/* initialize the chips */
if (rev == 7 || rev >= 9) {
#define ES1371_BINTSUMM_OFF 0x07
bus_space_write_4(es->st, es->sh, ES1371_BINTSUMM_OFF, 0x20);
if (debug > 0) printf("es_init rev == 7 || rev >= 9\n");
} else { /* pre ac97 2.1 card */
bus_space_write_4(es->st, es->sh, ES1370_REG_CONTROL, es->ctrl);
if (debug > 0) printf("es_init pre ac97 2.1\n");
}
bus_space_write_4(es->st, es->sh, ES1370_REG_SERIAL_CONTROL, es->sctrl);
bus_space_write_4(es->st, es->sh, ES1371_REG_LEGACY, 0);
/* AC'97 warm reset to start the bitclk */
bus_space_write_4(es->st, es->sh, ES1371_REG_LEGACY, es->ctrl | ES1371_SYNC_RES);
DELAY(2000);
bus_space_write_4(es->st, es->sh, ES1370_REG_SERIAL_CONTROL, es->ctrl);
/* Init the sample rate converter */
bus_space_write_4(es->st, es->sh, ES1371_REG_SMPRATE, ES1371_DIS_SRC);
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, 1);
es1371_dac_rate (es, 22050, 1);
es1371_dac_rate (es, 22050, 2);
/* 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)
*/
bus_space_write_4(es->st, es->sh, ES1371_REG_SMPRATE, 0);
return (0);
}
static void
es1371_wrcodec(void *s, int addr, u_int32_t data)
{
int sl;
unsigned t, x;
struct es_info *es = (struct es_info*)s;
if (debug > 0) printf("wrcodec addr 0x%x data 0x%x\n", addr, data);
for (t = 0; t < 0x1000; t++)
if (!(bus_space_read_4(es->st, es->sh,(ES1371_REG_CODEC & CODEC_WIP))))
break;
sl = spltty();
/* save the current state for later */
x = bus_space_read_4(es->st, es->sh, ES1371_REG_SMPRATE);
/* enable SRC state data in SRC mux */
bus_space_write_4(es->st, es->sh, ES1371_REG_SMPRATE,
(es1371_wait_src_ready(s) &
(ES1371_DIS_SRC | ES1371_DIS_P1 | ES1371_DIS_P2 | ES1371_DIS_R1)));
/* wait for a SAFE time to write addr/data and then do it, dammit */
for (t = 0; t < 0x1000; t++)
if ((bus_space_read_4(es->st, es->sh, ES1371_REG_SMPRATE) & 0x00070000) == 0x00010000)
break;
if (debug > 2) printf("one b_s_w: 0x%x 0x%x 0x%x\n", es->sh, ES1371_REG_CODEC,
((addr << CODEC_POADD_SHIFT) & CODEC_POADD_MASK) |
((data << CODEC_PODAT_SHIFT) & CODEC_PODAT_MASK));
bus_space_write_4(es->st, es->sh,ES1371_REG_CODEC,
((addr << CODEC_POADD_SHIFT) & CODEC_POADD_MASK) |
((data << CODEC_PODAT_SHIFT) & CODEC_PODAT_MASK));
/* restore SRC reg */
es1371_wait_src_ready(s);
if (debug > 2) printf("two b_s_w: 0x%x 0x%x 0x%x\n", es->sh, ES1371_REG_SMPRATE, x);
bus_space_write_4(es->st, es->sh, ES1371_REG_SMPRATE, x);
splx(sl);
}
static u_int32_t
es1371_rdcodec(void *s, int addr)
{
int sl;
unsigned t, x;
struct es_info *es = (struct es_info *)s;
if (debug > 0) printf("rdcodec addr 0x%x ... ", addr);
for (t = 0; t < 0x1000; t++)
if (!(x = bus_space_read_4(es->st, es->sh, ES1371_REG_CODEC) & CODEC_WIP))
break;
if (debug > 0) printf("loop 1 t 0x%x x 0x%x ", t, x);
sl = spltty();
/* save the current state for later */
x = bus_space_read_4(es->st, es->sh, ES1371_REG_SMPRATE);
/* enable SRC state data in SRC mux */
bus_space_write_4(es->st, es->sh, ES1371_REG_SMPRATE,
(es1371_wait_src_ready(s) &
(ES1371_DIS_SRC | ES1371_DIS_P1 | ES1371_DIS_P2 | ES1371_DIS_R1)));
/* wait for a SAFE time to write addr/data and then do it, dammit */
for (t = 0; t < 0x5000; t++)
if ((x = bus_space_read_4(es->st, es->sh, ES1371_REG_SMPRATE) & 0x00070000) == 0x00010000)
break;
if (debug > 0) printf("loop 2 t 0x%x x 0x%x ", t, x);
bus_space_write_4(es->st, es->sh, ES1371_REG_CODEC,
((addr << CODEC_POADD_SHIFT) & CODEC_POADD_MASK) | CODEC_PORD);
/* restore SRC reg */
es1371_wait_src_ready(s);
bus_space_write_4(es->st, es->sh, ES1371_REG_SMPRATE, x);
splx(sl);
/* now wait for the stinkin' data (RDY) */
for (t = 0; t < 0x1000; t++)
if ((x = bus_space_read_4(es->st, es->sh, ES1371_REG_CODEC)) & CODEC_RDY)
break;
if (debug > 0) printf("loop 3 t 0x%x 0x%x ret 0x%x\n", t, x, ((x & CODEC_PIDAT_MASK) >> CODEC_PIDAT_SHIFT));
return ((x & CODEC_PIDAT_MASK) >> CODEC_PIDAT_SHIFT);
}
static u_int
es1371_src_read(struct es_info *es, u_short reg)
{
unsigned int 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);
bus_space_write_4(es->st, es->sh, ES1371_REG_SMPRATE,r);
return ES1371_SRC_RAM_DATAI(es1371_wait_src_ready(es));
}
static void
es1371_src_write(struct es_info *es, u_short reg, u_short data){
u_int 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);
/* printf("es1371_src_write 0x%x 0x%x\n",ES1371_REG_SMPRATE,r | ES1371_SRC_RAM_WE); */
bus_space_write_4(es->st, es->sh, ES1371_REG_SMPRATE, r | ES1371_SRC_RAM_WE);
}
static u_int
es1371_adc_rate(struct es_info *es, u_int rate, int set)
{
u_int n, truncm, freq, result;
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 u_int
es1371_dac_rate(struct es_info *es, u_int rate, int set)
{
u_int freq, r, result, dac, dis;
if (rate > 48000) rate = 48000;
if (rate < 4000) rate = 4000;
freq = (rate << 15) / 3000;
result = (freq * 3000) >> 15;
if (set) {
dac = (set == 1)? ES_SMPREG_DAC1 : ES_SMPREG_DAC2;
dis = (set == 1)? ES1371_DIS_P2 : ES1371_DIS_P1;
r = (es1371_wait_src_ready(es) & (ES1371_DIS_SRC | ES1371_DIS_P1 | ES1371_DIS_P2 | ES1371_DIS_R1));
bus_space_write_4(es->st, es->sh, ES1371_REG_SMPRATE, r);
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));
bus_space_write_4(es->st, es->sh, ES1371_REG_SMPRATE, r);
}
return result;
}
static u_int
es1371_wait_src_ready(struct es_info *es)
{
u_int t, r;
for (t = 0; t < 500; t++) {
if (!((r = bus_space_read_4(es->st, es->sh, ES1371_REG_SMPRATE)) & ES1371_SRC_RAM_BUSY))
return r;
DELAY(1000);
}
printf("es1371: wait src ready timeout 0x%x [0x%x]\n", ES1371_REG_SMPRATE, r);
return 0;
}
/* -------------------------------------------------------------------- */
/*
* Probe and attach the card
*/
static int
es_pci_probe(device_t dev)
{
if (pci_get_devid(dev) == ES1370_PCI_ID) {
device_set_desc(dev, "AudioPCI ES1370");
return 0;
} else if (pci_get_devid(dev) == ES1371_PCI_ID ||
pci_get_devid(dev) == ES1371_PCI_ID2) {
device_set_desc(dev, "AudioPCI ES1371");
return 0;
}
return ENXIO;
}
static int
es_pci_attach(device_t dev)
{
snddev_info *d;
u_int32_t data;
struct es_info *es = 0;
int type = 0;
int regid;
struct resource *reg = 0;
int mapped;
int irqid;
struct resource *irq = 0;
void *ih = 0;
char status[SND_STATUSLEN];
struct ac97_info *codec;
pcm_channel *ct = NULL;
d = device_get_softc(dev);
if ((es = malloc(sizeof *es, M_DEVBUF, M_NOWAIT)) == NULL) {
device_printf(dev, "cannot allocate softc\n");
return ENXIO;
}
bzero(es, sizeof *es);
es->dev = dev;
mapped = 0;
data = pci_read_config(dev, PCIR_COMMAND, 2);
data |= (PCIM_CMD_PORTEN|PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN);
pci_write_config(dev, PCIR_COMMAND, data, 2);
data = pci_read_config(dev, PCIR_COMMAND, 2);
if (mapped == 0 && (data & PCIM_CMD_MEMEN)) {
regid = MEM_MAP_REG;
type = SYS_RES_MEMORY;
reg = bus_alloc_resource(dev, type, &regid,
0, ~0, 1, RF_ACTIVE);
if (reg) {
es->st = rman_get_bustag(reg);
es->sh = rman_get_bushandle(reg);
mapped++;
}
}
if (mapped == 0 && (data & PCIM_CMD_PORTEN)) {
regid = PCI_MAP_REG_START;
type = SYS_RES_IOPORT;
reg = bus_alloc_resource(dev, type, &regid,
0, ~0, 1, RF_ACTIVE);
if (reg) {
es->st = rman_get_bustag(reg);
es->sh = rman_get_bushandle(reg);
mapped++;
}
}
if (mapped == 0) {
device_printf(dev, "unable to map register space\n");
goto bad;
}
if (pci_get_devid(dev) == ES1371_PCI_ID ||
pci_get_devid(dev) == ES1371_PCI_ID2) {
if(-1 == es1371_init(es, pci_get_revid(dev))) {
device_printf(dev, "unable to initialize the card\n");
goto bad;
}
codec = ac97_create(dev, es, NULL, es1371_rdcodec, es1371_wrcodec);
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(d, &ac97_mixer, codec) == -1) goto bad;
ct = &es1371_chantemplate;
} else if (pci_get_devid(dev) == ES1370_PCI_ID) {
if (-1 == es1370_init(es)) {
device_printf(dev, "unable to initialize the card\n");
goto bad;
}
mixer_init(d, &es1370_mixer, es);
ct = &es1370_chantemplate;
} else goto bad;
irqid = 0;
irq = bus_alloc_resource(dev, SYS_RES_IRQ, &irqid,
0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
if (!irq
|| bus_setup_intr(dev, irq, INTR_TYPE_TTY, es_intr, es, &ih)) {
device_printf(dev, "unable to map interrupt\n");
goto bad;
}
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*/ES_BUFFSIZE, /*nsegments*/1, /*maxsegz*/0x3ffff,
/*flags*/0, &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",
(type == SYS_RES_IOPORT)? "io" : "memory",
rman_get_start(reg), rman_get_start(irq));
if (pcm_register(dev, es, 1, 1)) goto bad;
pcm_addchan(dev, PCMDIR_REC, ct, es);
pcm_addchan(dev, PCMDIR_PLAY, ct, es);
pcm_setstatus(dev, status);
return 0;
bad:
if (es) free(es, M_DEVBUF);
if (reg) bus_release_resource(dev, type, regid, reg);
if (ih) bus_teardown_intr(dev, irq, ih);
if (irq) bus_release_resource(dev, SYS_RES_IRQ, irqid, irq);
return ENXIO;
}
static device_method_t es_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, es_pci_probe),
DEVMETHOD(device_attach, es_pci_attach),
{ 0, 0 }
};
static driver_t es_driver = {
"pcm",
es_methods,
sizeof(snddev_info),
};
static devclass_t pcm_devclass;
DRIVER_MODULE(es, pci, es_driver, pcm_devclass, 0, 0);
Reference in New Issue View Git Blame Copy Permalink