- 根目录:
- sound
- pci
- ice1712
- maya44.c
/*
* ALSA driver for ICEnsemble VT1724 (Envy24HT)
*
* Lowlevel functions for ESI Maya44 cards
*
* Copyright (c) 2009 Takashi Iwai <tiwai@suse.de>
* Based on the patches by Rainer Zimmermann <mail@lightshed.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/io.h>
#include <sound/core.h>
#include <sound/control.h>
#include <sound/pcm.h>
#include <sound/tlv.h>
#include "ice1712.h"
#include "envy24ht.h"
#include "maya44.h"
/* WM8776 register indexes */
#define WM8776_REG_HEADPHONE_L 0x00
#define WM8776_REG_HEADPHONE_R 0x01
#define WM8776_REG_HEADPHONE_MASTER 0x02
#define WM8776_REG_DAC_ATTEN_L 0x03
#define WM8776_REG_DAC_ATTEN_R 0x04
#define WM8776_REG_DAC_ATTEN_MASTER 0x05
#define WM8776_REG_DAC_PHASE 0x06
#define WM8776_REG_DAC_CONTROL 0x07
#define WM8776_REG_DAC_MUTE 0x08
#define WM8776_REG_DAC_DEEMPH 0x09
#define WM8776_REG_DAC_IF_CONTROL 0x0a
#define WM8776_REG_ADC_IF_CONTROL 0x0b
#define WM8776_REG_MASTER_MODE_CONTROL 0x0c
#define WM8776_REG_POWERDOWN 0x0d
#define WM8776_REG_ADC_ATTEN_L 0x0e
#define WM8776_REG_ADC_ATTEN_R 0x0f
#define WM8776_REG_ADC_ALC1 0x10
#define WM8776_REG_ADC_ALC2 0x11
#define WM8776_REG_ADC_ALC3 0x12
#define WM8776_REG_ADC_NOISE_GATE 0x13
#define WM8776_REG_ADC_LIMITER 0x14
#define WM8776_REG_ADC_MUX 0x15
#define WM8776_REG_OUTPUT_MUX 0x16
#define WM8776_REG_RESET 0x17
#define WM8776_NUM_REGS 0x18
/* clock ratio identifiers for snd_wm8776_set_rate() */
#define WM8776_CLOCK_RATIO_128FS 0
#define WM8776_CLOCK_RATIO_192FS 1
#define WM8776_CLOCK_RATIO_256FS 2
#define WM8776_CLOCK_RATIO_384FS 3
#define WM8776_CLOCK_RATIO_512FS 4
#define WM8776_CLOCK_RATIO_768FS 5
enum { WM_VOL_HP, WM_VOL_DAC, WM_VOL_ADC, WM_NUM_VOLS };
enum { WM_SW_DAC, WM_SW_BYPASS, WM_NUM_SWITCHES };
struct snd_wm8776 {
unsigned char addr;
unsigned short regs[WM8776_NUM_REGS];
unsigned char volumes[WM_NUM_VOLS][2];
unsigned int switch_bits;
};
struct snd_maya44 {
struct snd_ice1712 *ice;
struct snd_wm8776 wm[2];
struct mutex mutex;
};
/* write the given register and save the data to the cache */
static void wm8776_write(struct snd_ice1712 *ice, struct snd_wm8776 *wm,
unsigned char reg, unsigned short val)
{
/*
* WM8776 registers are up to 9 bits wide, bit 8 is placed in the LSB
* of the address field
*/
snd_vt1724_write_i2c(ice, wm->addr,
(reg << 1) | ((val >> 8) & 1),
val & 0xff);
wm->regs[reg] = val;
}
/*
* update the given register with and/or mask and save the data to the cache
*/
static int wm8776_write_bits(struct snd_ice1712 *ice, struct snd_wm8776 *wm,
unsigned char reg,
unsigned short mask, unsigned short val)
{
val |= wm->regs[reg] & ~mask;
if (val != wm->regs[reg]) {
wm8776_write(ice, wm, reg, val);
return 1;
}
return 0;
}
/*
* WM8776 volume controls
*/
struct maya_vol_info {
unsigned int maxval; /* volume range: 0..maxval */
unsigned char regs[2]; /* left and right registers */
unsigned short mask; /* value mask */
unsigned short offset; /* zero-value offset */
unsigned short mute; /* mute bit */
unsigned short update; /* update bits */
unsigned char mux_bits[2]; /* extra bits for ADC mute */
};
static struct maya_vol_info vol_info[WM_NUM_VOLS] = {
[WM_VOL_HP] = {
.maxval = 80,
.regs = { WM8776_REG_HEADPHONE_L, WM8776_REG_HEADPHONE_R },
.mask = 0x7f,
.offset = 0x30,
.mute = 0x00,
.update = 0x180, /* update and zero-cross enable */
},
[WM_VOL_DAC] = {
.maxval = 255,
.regs = { WM8776_REG_DAC_ATTEN_L, WM8776_REG_DAC_ATTEN_R },
.mask = 0xff,
.offset = 0x01,
.mute = 0x00,
.update = 0x100, /* zero-cross enable */
},
[WM_VOL_ADC] = {
.maxval = 91,
.regs = { WM8776_REG_ADC_ATTEN_L, WM8776_REG_ADC_ATTEN_R },
.mask = 0xff,
.offset = 0xa5,
.mute = 0xa5,
.update = 0x100, /* update */
.mux_bits = { 0x80, 0x40 }, /* ADCMUX bits */
},
};
/*
* dB tables
*/
/* headphone output: mute, -73..+6db (1db step) */
static const DECLARE_TLV_DB_SCALE(db_scale_hp, -7400, 100, 1);
/* DAC output: mute, -127..0db (0.5db step) */
static const DECLARE_TLV_DB_SCALE(db_scale_dac, -12750, 50, 1);
/* ADC gain: mute, -21..+24db (0.5db step) */
static const DECLARE_TLV_DB_SCALE(db_scale_adc, -2100, 50, 1);
static int maya_vol_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
unsigned int idx = kcontrol->private_value;
struct maya_vol_info *vol = &vol_info[idx];
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 2;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = vol->maxval;
return 0;
}
static int maya_vol_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol);
struct snd_wm8776 *wm =
&chip->wm[snd_ctl_get_ioff(kcontrol, &ucontrol->id)];
unsigned int idx = kcontrol->private_value;
mutex_lock(&chip->mutex);
ucontrol->value.integer.value[0] = wm->volumes[idx][0];
ucontrol->value.integer.value[1] = wm->volumes[idx][1];
mutex_unlock(&chip->mutex);
return 0;
}
static int maya_vol_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol);
struct snd_wm8776 *wm =
&chip->wm[snd_ctl_get_ioff(kcontrol, &ucontrol->id)];
unsigned int idx = kcontrol->private_value;
struct maya_vol_info *vol = &vol_info[idx];
unsigned int val, data;
int ch, changed = 0;
mutex_lock(&chip->mutex);
for (ch = 0; ch < 2; ch++) {
val = ucontrol->value.integer.value[ch];
if (val > vol->maxval)
val = vol->maxval;
if (val == wm->volumes[idx][ch])
continue;
if (!val)
data = vol->mute;
else
data = (val - 1) + vol->offset;
data |= vol->update;
changed |= wm8776_write_bits(chip->ice, wm, vol->regs[ch],
vol->mask | vol->update, data);
if (vol->mux_bits[ch])
wm8776_write_bits(chip->ice, wm, WM8776_REG_ADC_MUX,
vol->mux_bits[ch],
val ? 0 : vol->mux_bits[ch]);
wm->volumes[idx][ch] = val;
}
mutex_unlock(&chip->mutex);
return changed;
}
/*
* WM8776 switch controls
*/
#define COMPOSE_SW_VAL(idx, reg, mask) ((idx) | ((reg) << 8) | ((mask) << 16))
#define GET_SW_VAL_IDX(val) ((val) & 0xff)
#define GET_SW_VAL_REG(val) (((val) >> 8) & 0xff)
#define GET_SW_VAL_MASK(val) (((val) >> 16) & 0xff)
#define maya_sw_info snd_ctl_boolean_mono_info
static int maya_sw_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol);
struct snd_wm8776 *wm =
&chip->wm[snd_ctl_get_ioff(kcontrol, &ucontrol->id)];
unsigned int idx = GET_SW_VAL_IDX(kcontrol->private_value);
ucontrol->value.integer.value[0] = (wm->switch_bits >> idx) & 1;
return 0;
}
static int maya_sw_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol);
struct snd_wm8776 *wm =
&chip->wm[snd_ctl_get_ioff(kcontrol, &ucontrol->id)];
unsigned int idx = GET_SW_VAL_IDX(kcontrol->private_value);
unsigned int mask, val;
int changed;
mutex_lock(&chip->mutex);
mask = 1 << idx;
wm->switch_bits &= ~mask;
val = ucontrol->value.integer.value[0];
if (val)
wm->switch_bits |= mask;
mask = GET_SW_VAL_MASK(kcontrol->private_value);
changed = wm8776_write_bits(chip->ice, wm,
GET_SW_VAL_REG(kcontrol->private_value),
mask, val ? mask : 0);
mutex_unlock(&chip->mutex);
return changed;
}
/*
* GPIO pins (known ones for maya44)
*/
#define GPIO_PHANTOM_OFF 2
#define GPIO_MIC_RELAY 4
#define GPIO_SPDIF_IN_INV 5
#define GPIO_MUST_BE_0 7
/*
* GPIO switch controls
*/
#define COMPOSE_GPIO_VAL(shift, inv) ((shift) | ((inv) << 8))
#define GET_GPIO_VAL_SHIFT(val) ((val) & 0xff)
#define GET_GPIO_VAL_INV(val) (((val) >> 8) & 1)
static int maya_set_gpio_bits(struct snd_ice1712 *ice, unsigned int mask,
unsigned int bits)
{
unsigned int data;
data = snd_ice1712_gpio_read(ice);
if ((data & mask) == bits)
return 0;
snd_ice1712_gpio_write(ice, (data & ~mask) | bits);
return 1;
}
#define maya_gpio_sw_info snd_ctl_boolean_mono_info
static int maya_gpio_sw_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol);
unsigned int shift = GET_GPIO_VAL_SHIFT(kcontrol->private_value);
unsigned int val;
val = (snd_ice1712_gpio_read(chip->ice) >> shift) & 1;
if (GET_GPIO_VAL_INV(kcontrol->private_value))
val = !val;
ucontrol->value.integer.value[0] = val;
return 0;
}
static int maya_gpio_sw_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol);
unsigned int shift = GET_GPIO_VAL_SHIFT(kcontrol->private_value);
unsigned int val, mask;
int changed;
mutex_lock(&chip->mutex);
mask = 1 << shift;
val = ucontrol->value.integer.value[0];
if (GET_GPIO_VAL_INV(kcontrol->private_value))
val = !val;
val = val ? mask : 0;
changed = maya_set_gpio_bits(chip->ice, mask, val);
mutex_unlock(&chip->mutex);
return changed;
}
/*
* capture source selection
*/
/* known working input slots (0-4) */
#define MAYA_LINE_IN 1 /* in-2 */
#define MAYA_MIC_IN 3 /* in-4 */
static void wm8776_select_input(struct snd_maya44 *chip, int idx, int line)
{
wm8776_write_bits(chip->ice, &chip->wm[idx], WM8776_REG_ADC_MUX,
0x1f, 1 << line);
}
static int maya_rec_src_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
static char *texts[] = { "Line", "Mic" };
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
uinfo->count = 1;
uinfo->value.enumerated.items = ARRAY_SIZE(texts);
if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
uinfo->value.enumerated.item =
uinfo->value.enumerated.items - 1;
strcpy(uinfo->value.enumerated.name,
texts[uinfo->value.enumerated.item]);
return 0;
}
static int maya_rec_src_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol);
int sel;
if (snd_ice1712_gpio_read(chip->ice) & (1 << GPIO_MIC_RELAY))
sel = 1;
else
sel = 0;
ucontrol->value.enumerated.item[0] = sel;
return 0;
}
static int maya_rec_src_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol);
int sel = ucontrol->value.enumerated.item[0];
int changed;
mutex_lock(&chip->mutex);
changed = maya_set_gpio_bits(chip->ice, 1 << GPIO_MIC_RELAY,
sel ? (1 << GPIO_MIC_RELAY) : 0);
wm8776_select_input(chip, 0, sel ? MAYA_MIC_IN : MAYA_LINE_IN);
mutex_unlock(&chip->mutex);
return changed;
}
/*
* Maya44 routing switch settings have different meanings than the standard
* ice1724 switches as defined in snd_vt1724_pro_route_info (ice1724.c).
*/
static int maya_pb_route_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
static char *texts[] = {
"PCM Out", /* 0 */
"Input 1", "Input 2", "Input 3", "Input 4"
};
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
uinfo->count = 1;
uinfo->value.enumerated.items = ARRAY_SIZE(texts);
if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
uinfo->value.enumerated.item =
uinfo->value.enumerated.items - 1;
strcpy(uinfo->value.enumerated.name,
texts[uinfo->value.enumerated.item]);
return 0;
}
static int maya_pb_route_shift(int idx)
{
static const unsigned char shift[10] =
{ 8, 20, 0, 3, 11, 23, 14, 26, 17, 29 };
return shift[idx % 10];
}
static int maya_pb_route_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol);
int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
ucontrol->value.enumerated.item[0] =
snd_ice1724_get_route_val(chip->ice, maya_pb_route_shift(idx));
return 0;
}
static int maya_pb_route_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol);
int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
return snd_ice1724_put_route_val(chip->ice,
ucontrol->value.enumerated.item[0],
maya_pb_route_shift(idx));
}
/*
* controls to be added
*/
static struct snd_kcontrol_new maya_controls[] __devinitdata = {
{
.name = "Crossmix Playback Volume",
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ,
.info = maya_vol_info,
.get = maya_vol_get,
.put = maya_vol_put,
.tlv = { .p = db_scale_hp },
.private_value = WM_VOL_HP,
.count = 2,
},
{
.name = "PCM Playback Volume",
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ,
.info = maya_vol_info,
.get = maya_vol_get,
.put = maya_vol_put,
.tlv = { .p = db_scale_dac },
.private_value = WM_VOL_DAC,
.count = 2,
},
{
.name = "Line Capture Volume",
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ,
.info = maya_vol_info,
.get = maya_vol_get,
.put = maya_vol_put,
.tlv = { .p = db_scale_adc },
.private_value = WM_VOL_ADC,
.count = 2,
},
{
.name = "PCM Playback Switch",
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.info = maya_sw_info,
.get = maya_sw_get,
.put = maya_sw_put,
.private_value = COMPOSE_SW_VAL(WM_SW_DAC,
WM8776_REG_OUTPUT_MUX, 0x01),
.count = 2,
},
{
.name = "Bypass Playback Switch",
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.info = maya_sw_info,
.get = maya_sw_get,
.put = maya_sw_put,
.private_value = COMPOSE_SW_VAL(WM_SW_BYPASS,
WM8776_REG_OUTPUT_MUX, 0x04),
.count = 2,
},
{
.name = "Capture Source",
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.info = maya_rec_src_info,
.get = maya_rec_src_get,
.put = maya_rec_src_put,
},
{
.name = "Mic Phantom Power Switch",
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.info = maya_gpio_sw_info,
.get = maya_gpio_sw_get,
.put = maya_gpio_sw_put,
.private_value = COMPOSE_GPIO_VAL(GPIO_PHANTOM_OFF, 1),
},
{
.name = "SPDIF Capture Switch",
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.info = maya_gpio_sw_info,
.get = maya_gpio_sw_get,
.put = maya_gpio_sw_put,
.private_value = COMPOSE_GPIO_VAL(GPIO_SPDIF_IN_INV, 1),
},
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "H/W Playback Route",
.info = maya_pb_route_info,
.get = maya_pb_route_get,
.put = maya_pb_route_put,
.count = 4, /* FIXME: do controls 5-9 have any meaning? */
},
};
static int __devinit maya44_add_controls(struct snd_ice1712 *ice)
{
int err, i;
for (i = 0; i < ARRAY_SIZE(maya_controls); i++) {
err = snd_ctl_add(ice->card, snd_ctl_new1(&maya_controls[i],
ice->spec));
if (err < 0)
return err;
}
return 0;
}
/*
* initialize a wm8776 chip
*/
static void __devinit wm8776_init(struct snd_ice1712 *ice,
struct snd_wm8776 *wm, unsigned int addr)
{
static const unsigned short inits_wm8776[] = {
0x02, 0x100, /* R2: headphone L+R muted + update */
0x05, 0x100, /* R5: DAC output L+R muted + update */
0x06, 0x000, /* R6: DAC output phase normal */
0x07, 0x091, /* R7: DAC enable zero cross detection,
normal output */
0x08, 0x000, /* R8: DAC soft mute off */
0x09, 0x000, /* R9: no deemph, DAC zero detect disabled */
0x0a, 0x022, /* R10: DAC I2C mode, std polarities, 24bit */
0x0b, 0x022, /* R11: ADC I2C mode, std polarities, 24bit,
highpass filter enabled */
0x0c, 0x042, /* R12: ADC+DAC slave, ADC+DAC 44,1kHz */
0x0d, 0x000, /* R13: all power up */
0x0e, 0x100, /* R14: ADC left muted,
enable zero cross detection */
0x0f, 0x100, /* R15: ADC right muted,
enable zero cross detection */
/* R16: ALC...*/
0x11, 0x000, /* R17: disable ALC */
/* R18: ALC...*/
/* R19: noise gate...*/
0x15, 0x000, /* R21: ADC input mux init, mute all inputs */
0x16, 0x001, /* R22: output mux, select DAC */
0xff, 0xff
};
const unsigned short *ptr;
unsigned char reg;
unsigned short data;
wm->addr = addr;
/* enable DAC output; mute bypass, aux & all inputs */
wm->switch_bits = (1 << WM_SW_DAC);
ptr = inits_wm8776;
while (*ptr != 0xff) {
reg = *ptr++;
data = *ptr++;
wm8776_write(ice, wm, reg, data);
}
}
/*
* change the rate on the WM8776 codecs.
* this assumes that the VT17xx's rate is changed by the calling function.
* NOTE: even though the WM8776's are running in slave mode and rate
* selection is automatic, we need to call snd_wm8776_set_rate() here
* to make sure some flags are set correctly.
*/
static void set_rate(struct snd_ice1712 *ice, unsigned int rate)
{
struct snd_maya44 *chip = ice->spec;
unsigned int ratio, adc_ratio, val;
int i;
switch (rate) {
case 192000:
ratio = WM8776_CLOCK_RATIO_128FS;
break;
case 176400:
ratio = WM8776_CLOCK_RATIO_128FS;
break;
case 96000:
ratio = WM8776_CLOCK_RATIO_256FS;
break;
case 88200:
ratio = WM8776_CLOCK_RATIO_384FS;
break;
case 48000:
ratio = WM8776_CLOCK_RATIO_512FS;
break;
case 44100:
ratio = WM8776_CLOCK_RATIO_512FS;
break;
case 32000:
ratio = WM8776_CLOCK_RATIO_768FS;
break;
case 0:
/* no hint - S/PDIF input is master, simply return */
return;
default:
snd_BUG();
return;
}
/*
* this currently sets the same rate for ADC and DAC, but limits
* ADC rate to 256X (96kHz). For 256X mode (96kHz), this sets ADC
* oversampling to 64x, as recommended by WM8776 datasheet.
* Setting the rate is not really necessary in slave mode.
*/
adc_ratio = ratio;
if (adc_ratio < WM8776_CLOCK_RATIO_256FS)
adc_ratio = WM8776_CLOCK_RATIO_256FS;
val = adc_ratio;
if (adc_ratio == WM8776_CLOCK_RATIO_256FS)
val |= 8;
val |= ratio << 4;
mutex_lock(&chip->mutex);
for (i = 0; i < 2; i++)
wm8776_write_bits(ice, &chip->wm[i],
WM8776_REG_MASTER_MODE_CONTROL,
0x180, val);
mutex_unlock(&chip->mutex);
}
/*
* supported sample rates (to override the default one)
*/
static unsigned int rates[] = {
32000, 44100, 48000, 64000, 88200, 96000, 176400, 192000
};
/* playback rates: 32..192 kHz */
static struct snd_pcm_hw_constraint_list dac_rates = {
.count = ARRAY_SIZE(rates),
.list = rates,
.mask = 0
};
/*
* chip addresses on I2C bus
*/
static unsigned char wm8776_addr[2] __devinitdata = {
0x34, 0x36, /* codec 0 & 1 */
};
/*
* initialize the chip
*/
static int __devinit maya44_init(struct snd_ice1712 *ice)
{
int i;
struct snd_maya44 *chip;
chip = kzalloc(sizeof(*chip), GFP_KERNEL);
if (!chip)
return -ENOMEM;
mutex_init(&chip->mutex);
chip->ice = ice;
ice->spec = chip;
/* initialise codecs */
ice->num_total_dacs = 4;
ice->num_total_adcs = 4;
ice->akm_codecs = 0;
for (i = 0; i < 2; i++) {
wm8776_init(ice, &chip->wm[i], wm8776_addr[i]);
wm8776_select_input(chip, i, MAYA_LINE_IN);
}
/* set card specific rates */
ice->hw_rates = &dac_rates;
/* register change rate notifier */
ice->gpio.set_pro_rate = set_rate;
/* RDMA1 (2nd input channel) is used for ADC by default */
ice->force_rdma1 = 1;
/* have an own routing control */
ice->own_routing = 1;
return 0;
}
/*
* Maya44 boards don't provide the EEPROM data except for the vendor IDs.
* hence the driver needs to sets up it properly.
*/
static unsigned char maya44_eeprom[] __devinitdata = {
[ICE_EEP2_SYSCONF] = 0x45,
/* clock xin1=49.152MHz, mpu401, 2 stereo ADCs+DACs */
[ICE_EEP2_ACLINK] = 0x80,
/* I2S */
[ICE_EEP2_I2S] = 0xf8,
/* vol, 96k, 24bit, 192k */
[ICE_EEP2_SPDIF] = 0xc3,
/* enable spdif out, spdif out supp, spdif-in, ext spdif out */
[ICE_EEP2_GPIO_DIR] = 0xff,
[ICE_EEP2_GPIO_DIR1] = 0xff,
[ICE_EEP2_GPIO_DIR2] = 0xff,
[ICE_EEP2_GPIO_MASK] = 0/*0x9f*/,
[ICE_EEP2_GPIO_MASK1] = 0/*0xff*/,
[ICE_EEP2_GPIO_MASK2] = 0/*0x7f*/,
[ICE_EEP2_GPIO_STATE] = (1 << GPIO_PHANTOM_OFF) |
(1 << GPIO_SPDIF_IN_INV),
[ICE_EEP2_GPIO_STATE1] = 0x00,
[ICE_EEP2_GPIO_STATE2] = 0x00,
};
/* entry point */
struct snd_ice1712_card_info snd_vt1724_maya44_cards[] __devinitdata = {
{
.subvendor = VT1724_SUBDEVICE_MAYA44,
.name = "ESI Maya44",
.model = "maya44",
.chip_init = maya44_init,
.build_controls = maya44_add_controls,
.eeprom_size = sizeof(maya44_eeprom),
.eeprom_data = maya44_eeprom,
},
{ } /* terminator */
};