[ALSA] emu10k1: Add Audio capture support for Audigy 2 ZS Notebook.
Implement functionallity in order to fixe ALSA bug#2058.
Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/include/sound/emu10k1.h b/include/sound/emu10k1.h
index 8b28304..32ce4bd 100644
--- a/include/sound/emu10k1.h
+++ b/include/sound/emu10k1.h
@@ -1427,6 +1427,8 @@
spinlock_t memblk_lock;
unsigned int spdif_bits[3]; /* s/pdif out setup */
+ unsigned int i2c_capture_source;
+ u8 i2c_capture_volume[4][2];
struct snd_emu10k1_fx8010 fx8010; /* FX8010 info */
int gpr_base;
@@ -1532,6 +1534,7 @@
unsigned int snd_emu10k1_ptr20_read(struct snd_emu10k1 * emu, unsigned int reg, unsigned int chn);
void snd_emu10k1_ptr20_write(struct snd_emu10k1 *emu, unsigned int reg, unsigned int chn, unsigned int data);
int snd_emu10k1_spi_write(struct snd_emu10k1 * emu, unsigned int data);
+int snd_emu10k1_i2c_write(struct snd_emu10k1 *emu, u32 reg, u32 value);
int snd_emu1010_fpga_write(struct snd_emu10k1 * emu, int reg, int value);
int snd_emu1010_fpga_read(struct snd_emu10k1 * emu, int reg, int *value);
int snd_emu1010_fpga_link_dst_src_write(struct snd_emu10k1 * emu, int dst, int src);
diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c
index 711e819..80aa585 100644
--- a/sound/pci/emu10k1/emu10k1_main.c
+++ b/sound/pci/emu10k1/emu10k1_main.c
@@ -46,6 +46,7 @@
#include <linux/firmware.h>
#include "p16v.h"
#include "tina2.h"
+#include "p17v.h"
/*************************************************************************
@@ -120,11 +121,28 @@
0x0622,
0x1400,
};
+
+static unsigned int i2c_adc_init[][2] = {
+ { 0x17, 0x00 }, /* Reset */
+ { 0x07, 0x00 }, /* Timeout */
+ { 0x0b, 0x22 }, /* Interface control */
+ { 0x0c, 0x22 }, /* Master mode control */
+ { 0x0d, 0x08 }, /* Powerdown control */
+ { 0x0e, 0xcf }, /* Attenuation Left 0x01 = -103dB, 0xff = 24dB */
+ { 0x0f, 0xcf }, /* Attenuation Right 0.5dB steps */
+ { 0x10, 0x7b }, /* ALC Control 1 */
+ { 0x11, 0x00 }, /* ALC Control 2 */
+ { 0x12, 0x32 }, /* ALC Control 3 */
+ { 0x13, 0x00 }, /* Noise gate control */
+ { 0x14, 0xa6 }, /* Limiter control */
+ { 0x15, ADC_MUX_2 }, /* ADC Mixer control. Mic for Audigy 2 ZS Notebook */
+};
static int snd_emu10k1_init(struct snd_emu10k1 *emu, int enable_ir, int resume)
{
unsigned int silent_page;
int ch;
+ u32 tmp;
/* disable audio and lock cache */
outl(HCFG_LOCKSOUNDCACHE | HCFG_LOCKTANKCACHE_MASK | HCFG_MUTEBUTTONENABLE,
@@ -163,8 +181,6 @@
if (emu->card_capabilities->ca0151_chip) { /* audigy2 */
/* Hacks for Alice3 to work independent of haP16V driver */
- u32 tmp;
-
//Setup SRCMulti_I2S SamplingRate
tmp = snd_emu10k1_ptr_read(emu, A_SPDIF_SAMPLERATE, 0);
tmp &= 0xfffff1ff;
@@ -184,8 +200,6 @@
}
if (emu->card_capabilities->ca0108_chip) { /* audigy2 Value */
/* Hacks for Alice3 to work independent of haP16V driver */
- u32 tmp;
-
snd_printk(KERN_INFO "Audigy2 value: Special config.\n");
//Setup SRCMulti_I2S SamplingRate
tmp = snd_emu10k1_ptr_read(emu, A_SPDIF_SAMPLERATE, 0);
@@ -231,6 +245,23 @@
outl(0x76, emu->port + A_IOCFG); /* Windows uses 0x3f76 */
}
+ if (emu->card_capabilities->i2c_adc) { /* Audigy 2 ZS Notebook with ADC Wolfson WM8775 */
+ int size, n;
+
+ snd_emu10k1_ptr20_write(emu, P17V_I2S_SRC_SEL, 0, 0x2020205f);
+ tmp = inl(emu->port + A_IOCFG);
+ outl(tmp | 0x4, emu->port + A_IOCFG); /* Set bit 2 for mic input */
+ tmp = inl(emu->port + A_IOCFG);
+ size = ARRAY_SIZE(i2c_adc_init);
+ for (n = 0; n < size; n++)
+ snd_emu10k1_i2c_write(emu, i2c_adc_init[n][0], i2c_adc_init[n][1]);
+ for (n=0; n < 4; n++) {
+ emu->i2c_capture_volume[n][0]= 0xcf;
+ emu->i2c_capture_volume[n][1]= 0xcf;
+ }
+
+ }
+
snd_emu10k1_ptr_write(emu, PTB, 0, emu->ptb_pages.addr);
snd_emu10k1_ptr_write(emu, TCB, 0, 0); /* taken from original driver */
@@ -274,6 +305,8 @@
if (enable_ir) { /* enable IR for SB Live */
if (emu->card_capabilities->emu1010) {
; /* Disable all access to A_IOCFG for the emu1010 */
+ } else if (emu->card_capabilities->i2c_adc) {
+ ; /* Disable A_IOCFG for Audigy 2 ZS Notebook */
} else if (emu->audigy) {
unsigned int reg = inl(emu->port + A_IOCFG);
outl(reg | A_IOCFG_GPOUT2, emu->port + A_IOCFG);
@@ -293,6 +326,8 @@
if (emu->card_capabilities->emu1010) {
; /* Disable all access to A_IOCFG for the emu1010 */
+ } else if (emu->card_capabilities->i2c_adc) {
+ ; /* Disable A_IOCFG for Audigy 2 ZS Notebook */
} else if (emu->audigy) { /* enable analog output */
unsigned int reg = inl(emu->port + A_IOCFG);
outl(reg | A_IOCFG_GPOUT0, emu->port + A_IOCFG);
@@ -311,6 +346,8 @@
/* Enable analog/digital outs on audigy */
if (emu->card_capabilities->emu1010) {
; /* Disable all access to A_IOCFG for the emu1010 */
+ } else if (emu->card_capabilities->i2c_adc) {
+ ; /* Disable A_IOCFG for Audigy 2 ZS Notebook */
} else if (emu->audigy) {
outl(inl(emu->port + A_IOCFG) & ~0x44, emu->port + A_IOCFG);
@@ -1139,10 +1176,11 @@
.adc_1361t = 1, /* 24 bit capture instead of 16bit */
.ac97_chip = 1} ,
/* Audigy 2 ZS Notebook Cardbus card.*/
- /* Tested by James@superbug.co.uk 22th December 2005 */
+ /* Tested by James@superbug.co.uk 6th November 2006 */
/* Audio output 7.1/Headphones working.
* Digital output working. (AC3 not checked, only PCM)
- * Audio inputs not tested.
+ * Audio Mic/Line inputs working.
+ * Digital input not tested.
*/
/* DSP: Tina2
* DAC: Wolfson WM8768/WM8568
@@ -1150,6 +1188,25 @@
* AC97: None
* CA0151: None
*/
+ /* Tested by James@superbug.co.uk 4th April 2006 */
+ /* A_IOCFG bits
+ * Output
+ * 0: Not Used
+ * 1: 0 = Mute all the 7.1 channel out. 1 = unmute.
+ * 2: Analog input 0 = line in, 1 = mic in
+ * 3: Not Used
+ * 4: Digital output 0 = off, 1 = on.
+ * 5: Not Used
+ * 6: Not Used
+ * 7: Not Used
+ * Input
+ * All bits 1 (0x3fxx) means nothing plugged in.
+ * 8-9: 0 = Line in/Mic, 2 = Optical in, 3 = Nothing.
+ * A-B: 0 = Headphones, 2 = Optical out, 3 = Nothing.
+ * C-D: 2 = Front/Rear/etc, 3 = nothing.
+ * E-F: Always 0
+ *
+ */
{.vendor = 0x1102, .device = 0x0008, .subsystem = 0x20011102,
.driver = "Audigy2", .name = "Audigy 2 ZS Notebook [SB0530]",
.id = "Audigy2",
@@ -1157,6 +1214,7 @@
.ca0108_chip = 1,
.ca_cardbus_chip = 1,
.spi_dac = 1,
+ .i2c_adc = 1,
.spk71 = 1} ,
{.vendor = 0x1102, .device = 0x0008,
.driver = "Audigy2", .name = "Audigy 2 Value [Unknown]",
diff --git a/sound/pci/emu10k1/emumixer.c b/sound/pci/emu10k1/emumixer.c
index 9b7fd564..b8221f3 100644
--- a/sound/pci/emu10k1/emumixer.c
+++ b/sound/pci/emu10k1/emumixer.c
@@ -36,9 +36,14 @@
#include <sound/core.h>
#include <sound/emu10k1.h>
#include <linux/delay.h>
+#include <sound/tlv.h>
+
+#include "p17v.h"
#define AC97_ID_STAC9758 0x83847658
+static DECLARE_TLV_DB_SCALE(snd_audigy_db_scale2, -10350, 50, 1); /* WM8775 gain scale */
+
static int snd_emu10k1_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
@@ -579,6 +584,162 @@
.put = snd_emu1010_internal_clock_put
};
+static int snd_audigy_i2c_capture_source_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+#if 0
+ static char *texts[4] = {
+ "Unknown1", "Unknown2", "Mic", "Line"
+ };
+#endif
+ static char *texts[2] = {
+ "Mic", "Line"
+ };
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ uinfo->count = 1;
+ uinfo->value.enumerated.items = 2;
+ if (uinfo->value.enumerated.item > 1)
+ uinfo->value.enumerated.item = 1;
+ strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
+ return 0;
+}
+
+static int snd_audigy_i2c_capture_source_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
+
+ ucontrol->value.enumerated.item[0] = emu->i2c_capture_source;
+ return 0;
+}
+
+static int snd_audigy_i2c_capture_source_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
+ unsigned int source_id;
+ unsigned int ngain, ogain;
+ u32 gpio;
+ int change = 0;
+ unsigned long flags;
+ u32 source;
+ /* If the capture source has changed,
+ * update the capture volume from the cached value
+ * for the particular source.
+ */
+ source_id = ucontrol->value.enumerated.item[0]; /* Use 2 and 3 */
+ change = (emu->i2c_capture_source != source_id);
+ if (change) {
+ snd_emu10k1_i2c_write(emu, ADC_MUX, 0); /* Mute input */
+ spin_lock_irqsave(&emu->emu_lock, flags);
+ gpio = inl(emu->port + A_IOCFG);
+ if (source_id==0)
+ outl(gpio | 0x4, emu->port + A_IOCFG);
+ else
+ outl(gpio & ~0x4, emu->port + A_IOCFG);
+ spin_unlock_irqrestore(&emu->emu_lock, flags);
+
+ ngain = emu->i2c_capture_volume[source_id][0]; /* Left */
+ ogain = emu->i2c_capture_volume[emu->i2c_capture_source][0]; /* Left */
+ if (ngain != ogain)
+ snd_emu10k1_i2c_write(emu, ADC_ATTEN_ADCL, ((ngain) & 0xff));
+ ngain = emu->i2c_capture_volume[source_id][1]; /* Right */
+ ogain = emu->i2c_capture_volume[emu->i2c_capture_source][1]; /* Right */
+ if (ngain != ogain)
+ snd_emu10k1_i2c_write(emu, ADC_ATTEN_ADCR, ((ngain) & 0xff));
+
+ source = 1 << (source_id + 2);
+ snd_emu10k1_i2c_write(emu, ADC_MUX, source); /* Set source */
+ emu->i2c_capture_source = source_id;
+ }
+ return change;
+}
+
+static struct snd_kcontrol_new snd_audigy_i2c_capture_source =
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Capture Source",
+ .info = snd_audigy_i2c_capture_source_info,
+ .get = snd_audigy_i2c_capture_source_get,
+ .put = snd_audigy_i2c_capture_source_put
+};
+
+static int snd_audigy_i2c_volume_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 2;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 255;
+ return 0;
+}
+
+static int snd_audigy_i2c_volume_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
+ int source_id;
+
+ source_id = kcontrol->private_value;
+
+ ucontrol->value.integer.value[0] = emu->i2c_capture_volume[source_id][0];
+ ucontrol->value.integer.value[1] = emu->i2c_capture_volume[source_id][1];
+ return 0;
+}
+
+static int snd_audigy_i2c_volume_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
+ unsigned int ogain;
+ unsigned int ngain;
+ int source_id;
+ int change = 0;
+
+ source_id = kcontrol->private_value;
+ ogain = emu->i2c_capture_volume[source_id][0]; /* Left */
+ ngain = ucontrol->value.integer.value[0];
+ if (ngain > 0xff)
+ return 0;
+ if (ogain != ngain) {
+ if (emu->i2c_capture_source == source_id)
+ snd_emu10k1_i2c_write(emu, ADC_ATTEN_ADCL, ((ngain) & 0xff) );
+ emu->i2c_capture_volume[source_id][0] = ucontrol->value.integer.value[0];
+ change = 1;
+ }
+ ogain = emu->i2c_capture_volume[source_id][1]; /* Right */
+ ngain = ucontrol->value.integer.value[1];
+ if (ngain > 0xff)
+ return 0;
+ if (ogain != ngain) {
+ if (emu->i2c_capture_source == source_id)
+ snd_emu10k1_i2c_write(emu, ADC_ATTEN_ADCR, ((ngain) & 0xff));
+ emu->i2c_capture_volume[source_id][1] = ucontrol->value.integer.value[1];
+ change = 1;
+ }
+
+ return change;
+}
+
+#define I2C_VOLUME(xname,chid) \
+{ \
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
+ .info = snd_audigy_i2c_volume_info, \
+ .get = snd_audigy_i2c_volume_get, \
+ .put = snd_audigy_i2c_volume_put, \
+ .tlv = { .p = snd_audigy_db_scale2 }, \
+ .private_value = chid \
+}
+
+
+static struct snd_kcontrol_new snd_audigy_i2c_volume_ctls[] __devinitdata = {
+ I2C_VOLUME("Mic Capture Volume", 0),
+ I2C_VOLUME("Line Capture Volume", 0)
+};
+
#if 0
static int snd_audigy_spdif_output_rate_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
@@ -1179,7 +1340,9 @@
int change = 0;
spin_lock_irqsave(&emu->reg_lock, flags);
- if (emu->audigy) {
+ if ( emu->card_capabilities->i2c_adc) {
+ /* Do nothing for Audigy 2 ZS Notebook */
+ } else if (emu->audigy) {
reg = inl(emu->port + A_IOCFG);
val = ucontrol->value.integer.value[0] ? A_IOCFG_GPOUT0 : 0;
change = (reg & A_IOCFG_GPOUT0) != val;
@@ -1317,6 +1480,22 @@
"AMic Playback Volume", "Mic Playback Volume",
NULL
};
+ static char *audigy_rename_ctls_i2c_adc[] = {
+ //"Analog Mix Capture Volume","OLD Analog Mix Capture Volume",
+ "Line Capture Volume", "Analog Mix Capture Volume",
+ "Wave Playback Volume", "OLD PCM Playback Volume",
+ "Wave Master Playback Volume", "Master Playback Volume",
+ "AMic Playback Volume", "Old Mic Playback Volume",
+ NULL
+ };
+ static char *audigy_remove_ctls_i2c_adc[] = {
+ /* On the Audigy2 ZS Notebook
+ * Capture via WM8775 */
+ "Mic Capture Volume",
+ "Analog Mix Capture Volume",
+ "Aux Capture Volume",
+ NULL
+ };
static char *audigy_remove_ctls_1361t_adc[] = {
/* On the Audigy2 the AC97 playback is piped into
* the Philips ADC for 24bit capture */
@@ -1409,6 +1588,10 @@
}
for (; *c; c++)
remove_ctl(card, *c);
+ } else if (emu->card_capabilities->i2c_adc) {
+ c = audigy_remove_ctls_i2c_adc;
+ for (; *c; c++)
+ remove_ctl(card, *c);
} else {
no_ac97:
if (emu->card_capabilities->ecard)
@@ -1422,6 +1605,8 @@
if (emu->audigy)
if (emu->card_capabilities->adc_1361t)
c = audigy_rename_ctls_1361t_adc;
+ else if (emu->card_capabilities->i2c_adc)
+ c = audigy_rename_ctls_i2c_adc;
else
c = audigy_rename_ctls;
else
@@ -1584,6 +1769,20 @@
if (err < 0)
return err;
}
+
+ if ( emu->card_capabilities->i2c_adc) {
+ int i;
+
+ err = snd_ctl_add(card, snd_ctl_new1(&snd_audigy_i2c_capture_source, emu));
+ if (err < 0)
+ return err;
+
+ for (i = 0; i < ARRAY_SIZE(snd_audigy_i2c_volume_ctls); i++) {
+ err = snd_ctl_add(card, snd_ctl_new1(&snd_audigy_i2c_volume_ctls[i], emu));
+ if (err < 0)
+ return err;
+ }
+ }
return 0;
}
diff --git a/sound/pci/emu10k1/io.c b/sound/pci/emu10k1/io.c
index 27ab7d1..116e1c8 100644
--- a/sound/pci/emu10k1/io.c
+++ b/sound/pci/emu10k1/io.c
@@ -30,6 +30,7 @@
#include <sound/core.h>
#include <sound/emu10k1.h>
#include <linux/delay.h>
+#include "p17v.h"
unsigned int snd_emu10k1_ptr_read(struct snd_emu10k1 * emu, unsigned int reg, unsigned int chn)
{
@@ -167,6 +168,64 @@
return 0;
}
+/* The ADC does not support i2c read, so only write is implemented */
+int snd_emu10k1_i2c_write(struct snd_emu10k1 *emu,
+ u32 reg,
+ u32 value)
+{
+ u32 tmp;
+ int timeout = 0;
+ int status;
+ int retry;
+ if ((reg > 0x7f) || (value > 0x1ff)) {
+ snd_printk(KERN_ERR "i2c_write: invalid values.\n");
+ return -EINVAL;
+ }
+
+ tmp = reg << 25 | value << 16;
+ // snd_printk("I2C-write:reg=0x%x, value=0x%x\n", reg, value);
+ /* Not sure what this I2C channel controls. */
+ /* snd_emu10k1_ptr_write(emu, P17V_I2C_0, 0, tmp); */
+
+ /* This controls the I2C connected to the WM8775 ADC Codec */
+ snd_emu10k1_ptr20_write(emu, P17V_I2C_1, 0, tmp);
+ tmp = snd_emu10k1_ptr20_read(emu, P17V_I2C_1, 0); /* write post */
+
+ for (retry = 0; retry < 10; retry++) {
+ /* Send the data to i2c */
+ //tmp = snd_emu10k1_ptr_read(emu, P17V_I2C_ADDR, 0);
+ //tmp = tmp & ~(I2C_A_ADC_READ|I2C_A_ADC_LAST|I2C_A_ADC_START|I2C_A_ADC_ADD_MASK);
+ tmp = 0;
+ tmp = tmp | (I2C_A_ADC_LAST|I2C_A_ADC_START|I2C_A_ADC_ADD);
+ snd_emu10k1_ptr20_write(emu, P17V_I2C_ADDR, 0, tmp);
+
+ /* Wait till the transaction ends */
+ while (1) {
+ udelay(10);
+ status = snd_emu10k1_ptr20_read(emu, P17V_I2C_ADDR, 0);
+ // snd_printk("I2C:status=0x%x\n", status);
+ timeout++;
+ if ((status & I2C_A_ADC_START) == 0)
+ break;
+
+ if (timeout > 1000) {
+ snd_printk("emu10k1:I2C:timeout status=0x%x\n", status);
+ break;
+ }
+ }
+ //Read back and see if the transaction is successful
+ if ((status & I2C_A_ADC_ABORT) == 0)
+ break;
+ }
+
+ if (retry == 10) {
+ snd_printk(KERN_ERR "Writing to ADC failed!\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
int snd_emu1010_fpga_write(struct snd_emu10k1 * emu, int reg, int value)
{
if (reg < 0 || reg > 0x3f)
diff --git a/sound/pci/emu10k1/p17v.h b/sound/pci/emu10k1/p17v.h
index 7ddb5be..4ef5f68 100644
--- a/sound/pci/emu10k1/p17v.h
+++ b/sound/pci/emu10k1/p17v.h
@@ -43,6 +43,53 @@
#define P17V_I2C_ADDR 0x3d /* I2C Address */
#define P17V_I2C_0 0x3e /* I2C Data */
#define P17V_I2C_1 0x3f /* I2C Data */
+/* I2C values */
+#define I2C_A_ADC_ADD_MASK 0x000000fe /*The address is a 7 bit address */
+#define I2C_A_ADC_RW_MASK 0x00000001 /*bit mask for R/W */
+#define I2C_A_ADC_TRANS_MASK 0x00000010 /*Bit mask for I2c address DAC value */
+#define I2C_A_ADC_ABORT_MASK 0x00000020 /*Bit mask for I2C transaction abort flag */
+#define I2C_A_ADC_LAST_MASK 0x00000040 /*Bit mask for Last word transaction */
+#define I2C_A_ADC_BYTE_MASK 0x00000080 /*Bit mask for Byte Mode */
+
+#define I2C_A_ADC_ADD 0x00000034 /*This is the Device address for ADC */
+#define I2C_A_ADC_READ 0x00000001 /*To perform a read operation */
+#define I2C_A_ADC_START 0x00000100 /*Start I2C transaction */
+#define I2C_A_ADC_ABORT 0x00000200 /*I2C transaction abort */
+#define I2C_A_ADC_LAST 0x00000400 /*I2C last transaction */
+#define I2C_A_ADC_BYTE 0x00000800 /*I2C one byte mode */
+
+#define I2C_D_ADC_REG_MASK 0xfe000000 /*ADC address register */
+#define I2C_D_ADC_DAT_MASK 0x01ff0000 /*ADC data register */
+
+#define ADC_TIMEOUT 0x00000007 /*ADC Timeout Clock Disable */
+#define ADC_IFC_CTRL 0x0000000b /*ADC Interface Control */
+#define ADC_MASTER 0x0000000c /*ADC Master Mode Control */
+#define ADC_POWER 0x0000000d /*ADC PowerDown Control */
+#define ADC_ATTEN_ADCL 0x0000000e /*ADC Attenuation ADCL */
+#define ADC_ATTEN_ADCR 0x0000000f /*ADC Attenuation ADCR */
+#define ADC_ALC_CTRL1 0x00000010 /*ADC ALC Control 1 */
+#define ADC_ALC_CTRL2 0x00000011 /*ADC ALC Control 2 */
+#define ADC_ALC_CTRL3 0x00000012 /*ADC ALC Control 3 */
+#define ADC_NOISE_CTRL 0x00000013 /*ADC Noise Gate Control */
+#define ADC_LIMIT_CTRL 0x00000014 /*ADC Limiter Control */
+#define ADC_MUX 0x00000015 /*ADC Mux offset */
+#if 0
+/* FIXME: Not tested yet. */
+#define ADC_GAIN_MASK 0x000000ff //Mask for ADC Gain
+#define ADC_ZERODB 0x000000cf //Value to set ADC to 0dB
+#define ADC_MUTE_MASK 0x000000c0 //Mask for ADC mute
+#define ADC_MUTE 0x000000c0 //Value to mute ADC
+#define ADC_OSR 0x00000008 //Mask for ADC oversample rate select
+#define ADC_TIMEOUT_DISABLE 0x00000008 //Value and mask to disable Timeout clock
+#define ADC_HPF_DISABLE 0x00000100 //Value and mask to disable High pass filter
+#define ADC_TRANWIN_MASK 0x00000070 //Mask for Length of Transient Window
+#endif
+
+#define ADC_MUX_MASK 0x0000000f //Mask for ADC Mux
+#define ADC_MUX_0 0x00000001 //Value to select Unknown at ADC Mux (Not used)
+#define ADC_MUX_1 0x00000002 //Value to select Unknown at ADC Mux (Not used)
+#define ADC_MUX_2 0x00000004 //Value to select Mic at ADC Mux
+#define ADC_MUX_3 0x00000008 //Value to select Line-In at ADC Mux
#define P17V_START_AUDIO 0x40 /* Start Audio bit */
/* 41 - 47: Reserved */