- Port clock calibration code (auich_calibrate) from ich.c of FreeBSD to solve

kern/16373.
- SiS 7012 support from kern/17716 submitted by Quentin Garnier.
- ICH4 support
- Experimental support for nForce MCP, AMD768 and AMD8111.
- Rename the short name for ICH3: "i830M" -> "ICH3"
This commit is contained in:
kent 2002-08-07 10:31:09 +00:00
parent 38b5f64780
commit 3898bab95a
2 changed files with 260 additions and 42 deletions

View File

@ -1,4 +1,4 @@
/* $NetBSD: auich.c,v 1.17 2002/04/11 10:54:23 augustss Exp $ */
/* $NetBSD: auich.c,v 1.18 2002/08/07 10:31:09 kent Exp $ */
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
@ -66,21 +66,55 @@
* from OpenBSD: ich.c,v 1.3 2000/08/11 06:17:18 mickey Exp
*/
/*
* Copyright (c) 2000 Katsurajima Naoto <raven@katsurajima.seya.yokohama.jp>
* Copyright (c) 2001 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHERIN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THEPOSSIBILITY OF
* SUCH DAMAGE.
*
* auich_calibrate() was from FreeBSD: ich.c,v 1.22 2002/06/27 22:36:01 scottl Exp
*/
/* #define ICH_DEBUG */
/*
* AC'97 audio found on Intel 810/820/440MX chipsets.
* http://developer.intel.com/design/chipsets/datashts/290655.htm
* http://developer.intel.com/design/chipsets/manuals/298028.htm
* ICH3:http://www.intel.com/design/chipsets/datashts/290716.htm
* ICH4:http://www.intel.com/design/chipsets/datashts/290744.htm
*
* TODO:
*
* - Probe codecs for supported sample rates.
*
* - Add support for the microphone input.
* - 4ch/6ch support.
* - auich_calibrate() is called in auich_open(). It causes about 0.1sec
* delay in the first open(). auich_calibrate() should be called in
* auich_attach(). However microtime() doesn't work in the attach
* stage.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: auich.c,v 1.17 2002/04/11 10:54:23 augustss Exp $");
__KERNEL_RCSID(0, "$NetBSD: auich.c,v 1.18 2002/08/07 10:31:09 kent Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -168,7 +202,13 @@ struct auich_softc {
struct auich_dma *sc_dmas;
int sc_fixed_rate;
int sc_fixed_rate;
int sc_ac97rate;
int sc_ignore_codecready;
/* SiS 7012 hack */
int sc_sample_size;
int sc_sts_reg;
void (*sc_pintr)(void *);
void *sc_parg;
@ -233,6 +273,7 @@ int auich_freemem(struct auich_softc *, struct auich_dma *);
void auich_powerhook(int, void *);
int auich_set_rate(struct auich_softc *sc, int mode, uint srate);
unsigned int auich_calibrate(struct auich_softc *sc);
struct audio_hw_if auich_hw_if = {
@ -271,23 +312,33 @@ int auich_write_codec(void *, u_int8_t, u_int16_t);
void auich_reset_codec(void *);
static const struct auich_devtype {
int vendor;
int product;
const char *name;
const char *shortname;
} auich_devices[] = {
{ PCI_PRODUCT_INTEL_82801AA_ACA,
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801AA_ACA,
"i82801AA (ICH) AC-97 Audio", "ICH" },
{ PCI_PRODUCT_INTEL_82801AB_ACA,
"i82801AB (ICH0) AC-97 Audio", "ICH0" },
{ PCI_PRODUCT_INTEL_82801BA_ACA,
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801AB_ACA,
"i82801AB (ICH0) AC-97 Audio", "ICH0" }, /* i810-L */
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801BA_ACA,
"i82801BA (ICH2) AC-97 Audio", "ICH2" },
{ PCI_PRODUCT_INTEL_82440MX_ACA,
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82440MX_ACA,
"i82440MX AC-97 Audio", "440MX" },
{ PCI_PRODUCT_INTEL_82801CA_AC,
"i82801CA AC-97 Audio", "i830M" },
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801CA_AC,
"i82801CA (ICH3) AC-97 Audio", "ICH3" }, /* i830Mx i845MP/MZ*/
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82801DB_AC,
"i82801DB (ICH4) AC-97 Audio", "ICH4" }, /* i845E i845Gx */
{ PCI_VENDOR_SIS, PCI_PRODUCT_SIS_7012_AC,
"SiS 7012 AC-97 Audio", "SiS7012" },
{ PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_NFORCE_MCP_AC,
"nForce MCP AC-97 Audio", "nForce-MCP" },
{ PCI_VENDOR_AMD, PCI_PRODUCT_AMD_PBC768_AC,
"AMD768 AC-97 Audio", "AMD768" },
{ PCI_VENDOR_AMD, PCI_PRODUCT_AMD_PBC8111_AC,
"AMD8111 AC-97 Audio", "AMD8111" },
{ 0,
NULL, NULL },
NULL, NULL },
};
static const struct auich_devtype *
@ -295,11 +346,9 @@ auich_lookup(struct pci_attach_args *pa)
{
const struct auich_devtype *d;
if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_INTEL)
return (NULL);
for (d = auich_devices; d->name != NULL; d++) {
if (PCI_PRODUCT(pa->pa_id) == d->product)
if (PCI_VENDOR(pa->pa_id) == d->vendor
&& PCI_PRODUCT(pa->pa_id) == d->product)
return (d);
}
@ -328,6 +377,7 @@ auich_attach(struct device *parent, struct device *self, void *aux)
const char *intrstr;
const struct auich_devtype *d;
u_int16_t ext_id, ext_status;
u_int32_t status;
d = auich_lookup(pa);
if (d == NULL)
@ -375,6 +425,16 @@ auich_attach(struct device *parent, struct device *self, void *aux)
sprintf(sc->sc_audev.version, "0x%02x", PCI_REVISION(pa->pa_class));
strcpy(sc->sc_audev.config, sc->sc_dev.dv_xname);
/* SiS 7012 needs special handling */
if (d->vendor == PCI_VENDOR_SIS
&& d->product == PCI_PRODUCT_SIS_7012_AC) {
sc->sc_sts_reg = ICH_PICB;
sc->sc_sample_size = 1;
} else {
sc->sc_sts_reg = ICH_STS;
sc->sc_sample_size = 2;
}
/* Set up DMA lists. */
sc->ptr_pcmo = sc->ptr_pcmi = sc->ptr_mici = 0;
auich_alloc_cdata(sc);
@ -384,6 +444,23 @@ auich_attach(struct device *parent, struct device *self, void *aux)
/* Reset codec and AC'97 */
auich_reset_codec(sc);
status = bus_space_read_4(sc->iot, sc->aud_ioh, ICH_GSTS);
if (!(status & ICH_PCR)) { /* reset failure */
if (d->vendor == PCI_VENDOR_INTEL
&& d->product == PCI_PRODUCT_INTEL_82801DB_AC) {
/* MSI 845G Max never return ICH_PCR */
sc->sc_ignore_codecready = TRUE;
} else {
return;
}
}
/* Print capabilities though there are no supports for now */
if ((status & ICH_SAMPLE_CAP) == ICH_POM20)
printf("%s: 20 bit precision support\n", sc->sc_dev.dv_xname);
if ((status & ICH_CHAN_CAP) == ICH_PCM4)
printf("%s: 4ch PCM output support\n", sc->sc_dev.dv_xname);
if ((status & ICH_CHAN_CAP) == ICH_PCM6)
printf("%s: 6ch PCM output support\n", sc->sc_dev.dv_xname);
sc->host_if.arg = sc;
sc->host_if.attach = auich_attach_codec;
@ -404,10 +481,12 @@ auich_attach(struct device *parent, struct device *self, void *aux)
auich_write_codec(sc, AC97_REG_EXTENDED_STATUS, ext_status);
/* so it claims to do variable rate, let's make sure */
sc->sc_ac97rate = FIXED_RATE;
if (auich_set_rate(sc, AUMODE_PLAY, 44100) == 44100)
sc->sc_fixed_rate = 0;
else
sc->sc_fixed_rate = FIXED_RATE;
sc->sc_ac97rate = 0;
} else {
sc->sc_fixed_rate = FIXED_RATE;
}
@ -429,8 +508,9 @@ auich_read_codec(void *v, u_int8_t reg, u_int16_t *val)
int i;
uint32_t status;
if (!(bus_space_read_4(sc->iot, sc->aud_ioh, ICH_GSTS) & ICH_PCR)) {
printf("auich_read_codec: codec is not ready.");
status = bus_space_read_4(sc->iot, sc->aud_ioh, ICH_GSTS);
if (!sc->sc_ignore_codecready && !(status & ICH_PCR)) {
printf("auich_read_codec: codec is not ready (0x%x)\n", status);
*val = 0xffff;
return -1;
}
@ -464,7 +544,8 @@ auich_write_codec(void *v, u_int8_t reg, u_int16_t val)
int i;
DPRINTF(ICH_DEBUG_CODECIO, ("auich_write_codec(%x, %x)\n", reg, val));
if (!(bus_space_read_4(sc->iot, sc->aud_ioh, ICH_GSTS) & ICH_PCR)) {
if (!sc->sc_ignore_codecready
&& !(bus_space_read_4(sc->iot, sc->aud_ioh, ICH_GSTS) & ICH_PCR)) {
printf("auich_write_codec: codec is not ready.");
return -1;
}
@ -497,20 +578,27 @@ auich_reset_codec(void *v)
{
struct auich_softc *sc = v;
int i;
uint32_t control;
bus_space_write_4(sc->iot, sc->aud_ioh, ICH_GCTRL, 0);
DELAY(10);
bus_space_write_4(sc->iot, sc->aud_ioh, ICH_GCTRL, ICH_CRESET);
control = bus_space_read_4(sc->iot, sc->aud_ioh, ICH_GCTRL);
control &= ~(ICH_ACLSO | ICH_PCM246_MASK);
control |= (control & ICH_CRESET) ? ICH_WRESET : ICH_CRESET;
bus_space_write_4(sc->iot, sc->aud_ioh, ICH_GCTRL, control);
for (i = 500000; i-- &&
!(bus_space_read_4(sc->iot, sc->aud_ioh, ICH_GSTS) & ICH_PCR);
DELAY(1)); /* or ICH_SCR? */
if (i <= 0)
printf("%s: auich_reset_codec: time out\n", sc->sc_dev.dv_xname);
}
int
auich_open(void *v, int flags)
{
struct auich_softc *sc = v;
if (!sc->sc_fixed_rate && sc->sc_ac97rate == 0)
sc->sc_ac97rate = auich_calibrate(sc);
return 0;
}
@ -588,23 +676,26 @@ int
auich_set_rate(struct auich_softc *sc, int mode, uint srate)
{
u_int16_t val, rate, inout;
u_int32_t rvalue;
inout = mode == AUMODE_PLAY ? ICH_PM_PCMO : ICH_PM_PCMI;
auich_read_codec(sc, AC97_REG_POWER, &val);
auich_write_codec(sc, AC97_REG_POWER, val | inout);
rvalue = srate * FIXED_RATE / sc->sc_ac97rate;
if (mode == AUMODE_PLAY) {
auich_write_codec(sc, AC97_REG_PCM_FRONT_DAC_RATE, srate);
auich_write_codec(sc, AC97_REG_PCM_FRONT_DAC_RATE, rvalue);
auich_read_codec(sc, AC97_REG_PCM_FRONT_DAC_RATE, &rate);
} else {
auich_write_codec(sc, AC97_REG_PCM_LR_ADC_RATE, srate);
auich_write_codec(sc, AC97_REG_PCM_LR_ADC_RATE, rvalue);
auich_read_codec(sc, AC97_REG_PCM_LR_ADC_RATE, &rate);
}
auich_write_codec(sc, AC97_REG_POWER, val);
return rate;
rvalue = rate * sc->sc_ac97rate / FIXED_RATE;
return rvalue;
}
int
@ -641,8 +732,12 @@ auich_set_params(void *v, int setmode, int usemode, struct audio_params *play,
/* setup hardware formats */
p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE;
p->hw_precision = 16;
/* If manaural is requested, aurateconv expands a monaural
* stream to stereo. */
if (p->channels < 2)
p->hw_channels = 2;
switch (p->encoding) {
case AUDIO_ENCODING_SLINEAR_BE:
if (p->precision == 16) {
@ -715,11 +810,14 @@ auich_set_params(void *v, int setmode, int usemode, struct audio_params *play,
return (EINVAL);
}
if (sc->sc_fixed_rate)
if (sc->sc_fixed_rate) {
p->hw_sample_rate = sc->sc_fixed_rate;
else
} else {
p->hw_sample_rate = auich_set_rate(sc, mode,
p->sample_rate);
}
/* If hw_sample_rate is different from sample_rate, aurateconv
* works. */
}
return (0);
@ -880,7 +978,7 @@ auich_intr(void *v)
DPRINTF(ICH_DEBUG_DMA, ("auich_intr: gsts=0x%x\n", gsts));
if (gsts & ICH_POINT) {
sts = bus_space_read_2(sc->iot, sc->aud_ioh, ICH_PCMO+ICH_STS);
sts = bus_space_read_2(sc->iot, sc->aud_ioh, ICH_PCMO+sc->sc_sts_reg);
DPRINTF(ICH_DEBUG_DMA,
("auich_intr: osts=0x%x\n", sts));
@ -899,7 +997,7 @@ auich_intr(void *v)
q = &sc->dmalist_pcmo[qptr];
q->base = sc->pcmo_p;
q->len = (sc->pcmo_blksize / 2) | ICH_DMAF_IOC;
q->len = (sc->pcmo_blksize / sc->sc_sample_size) | ICH_DMAF_IOC;
DPRINTF(ICH_DEBUG_DMA,
("auich_intr: %p, %p = %x @ 0x%x\n",
&sc->dmalist_pcmo[i], q,
@ -923,14 +1021,14 @@ auich_intr(void *v)
sc->sc_pintr(sc->sc_parg);
/* int ack */
bus_space_write_2(sc->iot, sc->aud_ioh, ICH_PCMO + ICH_STS,
bus_space_write_2(sc->iot, sc->aud_ioh, ICH_PCMO + sc->sc_sts_reg,
sts & (ICH_LVBCI | ICH_CELV | ICH_BCIS | ICH_FIFOE));
bus_space_write_2(sc->iot, sc->aud_ioh, ICH_GSTS, ICH_POINT);
ret++;
}
if (gsts & ICH_PIINT) {
sts = bus_space_read_2(sc->iot, sc->aud_ioh, ICH_PCMI+ICH_STS);
sts = bus_space_read_2(sc->iot, sc->aud_ioh, ICH_PCMI+sc->sc_sts_reg);
DPRINTF(ICH_DEBUG_DMA,
("auich_intr: ists=0x%x\n", sts));
@ -949,7 +1047,7 @@ auich_intr(void *v)
q = &sc->dmalist_pcmi[qptr];
q->base = sc->pcmi_p;
q->len = (sc->pcmi_blksize / 2) | ICH_DMAF_IOC;
q->len = (sc->pcmi_blksize / sc->sc_sample_size) | ICH_DMAF_IOC;
DPRINTF(ICH_DEBUG_DMA,
("auich_intr: %p, %p = %x @ 0x%x\n",
&sc->dmalist_pcmi[i], q,
@ -973,14 +1071,14 @@ auich_intr(void *v)
sc->sc_rintr(sc->sc_rarg);
/* int ack */
bus_space_write_2(sc->iot, sc->aud_ioh, ICH_PCMI + ICH_STS,
bus_space_write_2(sc->iot, sc->aud_ioh, ICH_PCMI + sc->sc_sts_reg,
sts & (ICH_LVBCI | ICH_CELV | ICH_BCIS | ICH_FIFOE));
bus_space_write_2(sc->iot, sc->aud_ioh, ICH_GSTS, ICH_POINT);
ret++;
}
if (gsts & ICH_MIINT) {
sts = bus_space_read_2(sc->iot, sc->aud_ioh, ICH_MICI+ICH_STS);
sts = bus_space_read_2(sc->iot, sc->aud_ioh, ICH_MICI+sc->sc_sts_reg);
DPRINTF(ICH_DEBUG_DMA,
("auich_intr: ists=0x%x\n", sts));
if (sts & ICH_FIFOE)
@ -1032,7 +1130,7 @@ auich_trigger_output(void *v, void *start, void *end, int blksize,
sc->ptr_pcmo = 0;
q = &sc->dmalist_pcmo[sc->ptr_pcmo];
q->base = sc->pcmo_start;
q->len = (blksize / 2) | ICH_DMAF_IOC;
q->len = (blksize / sc->sc_sample_size) | ICH_DMAF_IOC;
if (++sc->ptr_pcmo == ICH_DMALIST_MAX)
sc->ptr_pcmo = 0;
@ -1089,7 +1187,7 @@ auich_trigger_input(v, start, end, blksize, intr, arg, param)
sc->ptr_pcmi = 0;
q = &sc->dmalist_pcmi[sc->ptr_pcmi];
q->base = sc->pcmi_start;
q->len = (blksize / 2) | ICH_DMAF_IOC;
q->len = (blksize / sc->sc_sample_size) | ICH_DMAF_IOC;
if (++sc->ptr_pcmi == ICH_DMALIST_MAX)
sc->ptr_pcmi = 0;
@ -1244,3 +1342,105 @@ auich_powerhook(int why, void *addr)
break;
}
}
/* -------------------------------------------------------------------- */
/* Calibrate card (some boards are overclocked and need scaling) */
unsigned int
auich_calibrate(struct auich_softc *sc)
{
struct timeval t1, t2;
u_int8_t ociv, nciv;
u_int32_t wait_us, actual_48k_rate, bytes, ac97rate;
void *temp_buffer;
struct auich_dma *p;
ac97rate = 48000;
/*
* Grab audio from input for fixed interval and compare how
* much we actually get with what we expect. Interval needs
* to be sufficiently short that no interrupts are
* generated.
*/
/* Setup a buffer */
bytes = 16000;
temp_buffer = auich_allocm(sc, AUMODE_RECORD, bytes, M_DEVBUF, M_WAITOK);
for (p = sc->sc_dmas; p && KERNADDR(p) != temp_buffer; p = p->next)
;
if (p == NULL) {
printf("auich_calibrate: bad address %p\n", temp_buffer);
return ac97rate;
}
sc->dmalist_pcmi[0].base = DMAADDR(p);
sc->dmalist_pcmi[0].len = (bytes / sc->sc_sample_size) | ICH_DMAF_IOC;
/*
* our data format is stereo, 16 bit so each sample is 4 bytes.
* assuming we get 48000 samples per second, we get 192000 bytes/sec.
* we're going to start recording with interrupts disabled and measure
* the time taken for one block to complete. we know the block size,
* we know the time in microseconds, we calculate the sample rate:
*
* actual_rate [bps] = bytes / (time [s] * 4)
* actual_rate [bps] = (bytes * 1000000) / (time [us] * 4)
* actual_rate [Hz] = (bytes * 250000) / time [us]
*/
/* prepare */
ociv = bus_space_read_1(sc->iot, sc->aud_ioh, ICH_PCMI + ICH_CIV);
nciv = ociv;
bus_space_write_4(sc->iot, sc->aud_ioh, ICH_PCMI + ICH_BDBAR,
sc->sc_cddma + ICH_PCMI_OFF(0));
bus_space_write_1(sc->iot, sc->aud_ioh, ICH_PCMI + ICH_LVI,
(0 - 1) & ICH_LVI_MASK);
/* start */
microtime(&t1);
bus_space_write_1(sc->iot, sc->aud_ioh, ICH_PCMI + ICH_CTRL, ICH_RPBM);
/* wait */
while (nciv == ociv) {
microtime(&t2);
if (t2.tv_sec - t1.tv_sec > 1)
break;
nciv = bus_space_read_1(sc->iot, sc->aud_ioh,
ICH_PCMI + ICH_CIV);
}
microtime(&t2);
/* stop */
bus_space_write_1(sc->iot, sc->aud_ioh, ICH_PCMI + ICH_CTRL, 0);
/* reset */
DELAY(100);
bus_space_write_1(sc->iot, sc->aud_ioh, ICH_PCMI + ICH_CTRL, ICH_RR);
/* turn time delta into us */
wait_us = ((t2.tv_sec - t1.tv_sec) * 1000000) + t2.tv_usec - t1.tv_usec;
auich_freem(sc, temp_buffer, M_DEVBUF);
if (nciv == ociv) {
printf("%s: ac97 link rate calibration timed out after %d us\n",
sc->sc_dev.dv_xname, wait_us);
return ac97rate;
}
actual_48k_rate = (bytes * 250000) / wait_us;
if (actual_48k_rate < 47500 || actual_48k_rate > 48500) {
ac97rate = actual_48k_rate;
}
if (ac97rate != 48000) {
printf("%s: measured ac97 link rate at %d Hz",
sc->sc_dev.dv_xname, actual_48k_rate);
if (ac97rate != actual_48k_rate)
printf(", will use %d Hz", ac97rate);
printf("\n");
}
return ac97rate;
}

View File

@ -1,4 +1,4 @@
/* $NetBSD: auichreg.h,v 1.2 2000/11/28 16:57:16 thorpej Exp $ */
/* $NetBSD: auichreg.h,v 1.3 2002/08/07 10:31:09 kent Exp $ */
/*
* Copyright (c) 2000 Michael Shalayeff
@ -70,6 +70,16 @@
#define ICH_MICI 0x20
#define ICH_GCTRL 0x2c
#define ICH_SSM_78 0x40000000 /* S/PDIF slots 7 and 8 */
#define ICH_SSM_69 0x80000000 /* S/PDIF slots 6 and 9 */
#define ICH_SSM_1011 0xc0000000 /* S/PDIF slots 10 and 11 */
#define ICH_POM16 0x000000 /* PCM out precision 16bit */
#define ICH_POM20 0x400000 /* PCM out precision 20bit */
#define ICH_PCM246_MASK 0x300000
#define ICH_PCM2 0x000000 /* 2ch output */
#define ICH_PCM4 0x100000 /* 4ch output */
#define ICH_PCM6 0x200000 /* 6ch output */
#define ICH_S2RIE 0x40 /* int when tertiary codec resume */
#define ICH_SRIE 0x20 /* int when 2ndary codec resume */
#define ICH_PRIE 0x10 /* int when primary codec resume */
#define ICH_ACLSO 0x08 /* aclink shut off */
@ -77,6 +87,14 @@
#define ICH_CRESET 0x02 /* cold reset */
#define ICH_GIE 0x01 /* gpi int enable */
#define ICH_GSTS 0x30
#define ICH_S2RI 0x20000000 /* tertiary resume int */
#define ICH_S2CR 0x10000000 /* tertiary codec ready */
#define ICH_BCS 0x08000000 /* bit clock stopped */
#define ICH_SPINT 0x04000000 /* S/PDIF int */
#define ICH_P2INT 0x02000000 /* PCM-In 2 int */
#define ICH_M2INT 0x01000000 /* mic 2 int */
#define ICH_SAMPLE_CAP 0x00c00000 /* sampling precision capability */
#define ICH_CHAN_CAP 0x00300000 /* multi-channel capability */
#define ICH_MD3 0x20000 /* pwr-dn semaphore for modem */
#define ICH_AD3 0x10000 /* pwr-dn semaphore for audio */
#define ICH_RCS 0x08000 /* read completion status */