static void twl6040_hs_jack_report(struct snd_soc_codec *codec,
struct snd_soc_jack *jack, int report)
{
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
int status, state;
mutex_lock(&priv->mutex);
/* Sync status */
status = twl6040_read_reg_volatile(codec, TWL6040_REG_STATUS);
if (status & TWL6040_PLUGCOMP)
state = report;
else
state = 0;
mutex_unlock(&priv->mutex);
snd_soc_jack_report(jack, state, report);
switch_set_state(&priv->hs_jack.sdev, !!state);
}
static int twl6040_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
int audpwron = priv->audpwron;
int naudint = priv->naudint;
int ret;
switch (level) {
case SND_SOC_BIAS_ON:
break;
case SND_SOC_BIAS_PREPARE:
break;
case SND_SOC_BIAS_STANDBY:
if (priv->codec_powered)
break;
if (gpio_is_valid(audpwron)) {
/* use AUDPWRON line */
gpio_set_value(audpwron, 1);
/* wait for power-up completion */
ret = twl6040_power_up_completion(codec, naudint);
if (ret)
return ret;
/* sync registers updated during power-up sequence */
twl6040_read_reg_volatile(codec, TWL6040_REG_NCPCTL);
twl6040_read_reg_volatile(codec, TWL6040_REG_LDOCTL);
twl6040_read_reg_volatile(codec, TWL6040_REG_LPPLLCTL);
} else {
/* use manual power-up sequence */
twl6040_power_up(codec);
priv->codec_powered = 1;
}
/* initialize vdd/vss registers with reg_cache */
twl6040_init_vdd_regs(codec);
break;
case SND_SOC_BIAS_OFF:
if (!priv->codec_powered)
break;
if (gpio_is_valid(audpwron)) {
/* use AUDPWRON line */
gpio_set_value(audpwron, 0);
/* power-down sequence latency */
udelay(500);
/* sync registers updated during power-down sequence */
twl6040_read_reg_volatile(codec, TWL6040_REG_NCPCTL);
twl6040_read_reg_volatile(codec, TWL6040_REG_LDOCTL);
twl6040_write_reg_cache(codec, TWL6040_REG_LPPLLCTL,
0x00);
} else {
/* use manual power-down sequence */
twl6040_power_down(codec);
}
priv->codec_powered = 0;
break;
}
codec->bias_level = level;
return 0;
}
static int twl6040_probe(struct snd_soc_codec *codec)
{
struct twl4030_codec_audio_data *twl_codec = codec->dev->platform_data;
struct twl6040_data *priv;
struct twl6040_jack_data *jack;
int audpwron, naudint;
struct input_dev *ip_dev;
#if defined(CONFIG_MACH_LGE_COSMO_REV_A)
unsigned hsjack_gpio, hsjack_irq;
int err;
#endif
int ret = 0;
u8 icrev = 0, intmr = TWL6040_ALLINT_MSK;
int idx;
for( idx = 0 ; idx < TWL6040_MUTE_DATA_MAX ; idx++ )
{
s_mute_data[idx].dai = 0;
s_mute_data[idx].mute = 0;
}
priv = kzalloc(sizeof(struct twl6040_data), GFP_KERNEL);
if (priv == NULL)
return -ENOMEM;
snd_soc_codec_set_drvdata(codec, priv);
priv->codec = codec;
priv->dl_active = 0;
priv->ul_active = 0;
twl6040_i2c_read(TWL6040_REG_ASICREV, &icrev);
if (twl_codec && (icrev > 0))
audpwron = twl_codec->audpwron_gpio;
else
audpwron = -EINVAL;
#if defined(CONFIG_MACH_LGE_COSMO_REV_A)
if (twl_codec){
naudint = twl_codec->naudint_irq;
hsjack_gpio = twl_codec->hsjack_gpio;
hsjack_irq = twl_codec->hsjack_irq;
}
else {
naudint = 0;
hsjack_gpio = 0;
hsjack_irq = 0;
}
#else
if (twl_codec)
naudint = twl_codec->naudint_irq;
else
naudint = 0;
#endif
priv->audpwron = audpwron;
priv->naudint = naudint;
#if defined(CONFIG_MACH_LGE_COSMO_REV_A)
priv->hsjack_gpio = hsjack_gpio;
priv->hsjack_irq = hsjack_irq;
#endif
init_completion(&priv->ready);
/* Disable safe mode in SYS_NIRQ PAD */
// omap_writew(0x0118, 0x4A1001A0);
INIT_DELAYED_WORK(&priv->hsdet_dwork, twl6040_hs_jack_detect_dwork);
INIT_DELAYED_WORK(&priv->hook_work, twl6040_hs_hook_detect_work);
#ifndef CONFIG_MACH_LGE_COSMOPOLITAN
INIT_WORK(&priv->audint_work, twl6040_audint_work);
#endif
ip_dev = input_allocate_device();
if(!ip_dev){
dev_err(codec->dev, "failed to allocation hook input device");
goto switch_err;
}
__set_bit(EV_KEY, ip_dev->evbit);
__set_bit(EV_SYN, ip_dev->evbit);
__set_bit(KEY_HOOK, ip_dev->keybit);
ip_dev->name = "headset_hook";
ip_dev->phys = "headset_hook/input0";
priv->hs_jack.headset_input = ip_dev;
input_register_device(priv->hs_jack.headset_input);
/* switch-class based headset detection */
jack = &priv->hs_jack;
jack->sdev.name = "h2w";
ret = switch_dev_register(&jack->sdev);
if (ret) {
dev_err(codec->dev, "error registering switch device %d\n", ret);
goto switch_err;
}
#if defined(CONFIG_MACH_LGE_COSMO_REV_A)
/* GPIO request and direction set */
if(gpio_is_valid(hsjack_gpio)) {
err = gpio_request(hsjack_gpio, "ear_sense");
if (err) {
printk(KERN_ERR "%s: failed to request GPIO_%d\n",
__func__, hsjack_gpio);
goto err_hs_gpio_request;
}
err = gpio_direction_input(hsjack_gpio);
if (err) {
printk(KERN_ERR "%s: failed to set direction GPIO_%d\n",
__func__, hsjack_gpio);
goto err_hs_gpio_direction;
}
}
/* IRQ request */
err = request_irq(hsjack_irq,
hsjack_irq_handler,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
"headset_detect",
codec);
if (err) {
printk(KERN_ERR "%s: failed to request irq (%d)\n",
__func__, hsjack_irq);
goto err_hs_request_irq;
}
#endif
if (gpio_is_valid(audpwron)) {
ret = gpio_request(audpwron, "audpwron");
if (ret)
goto gpio1_err;
ret = gpio_direction_output(audpwron, 0);
if (ret)
goto gpio2_err;
priv->codec_powered = 0;
/* enable only codec ready interrupt */
intmr &= ~(TWL6040_READYMSK | TWL6040_PLUGMSK );
priv->intmask = intmr;
/* reset interrupt status to allow correct power up sequence */
twl6040_read_reg_volatile(codec, TWL6040_REG_INTID);
}
twl6040_write(codec, TWL6040_REG_INTMR, intmr);
if (naudint) {
/* audio interrupt */
ret = request_threaded_irq(naudint, NULL,
twl6040_naudint_handler,
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
"twl6040_codec", codec);
if (ret)
goto gpio2_err;
}
/* init vio registers */
twl6040_init_vio_regs(codec);
/* power on device */
ret = twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
if (ret)
goto bias_err;
snd_soc_add_controls(codec, twl6040_snd_controls,
ARRAY_SIZE(twl6040_snd_controls));
twl6040_add_widgets(codec);
wake_lock_init(&priv->wake_lock, WAKE_LOCK_SUSPEND, "twl6040");
cdc_tcxo_set_req_int(CDC_TCXO_CLK3, 0);
/* TODO: read HS jack insertion status */
return 0;
bias_err:
if (naudint)
free_irq(naudint, codec);
#if defined(CONFIG_MACH_LGE_COSMO_REV_A)
err_hs_request_irq:
err_hs_gpio_direction:
if (gpio_is_valid(hsjack_gpio))
gpio_free(hsjack_gpio);
err_hs_gpio_request:
#endif
gpio2_err:
if (gpio_is_valid(audpwron))
gpio_free(audpwron);
gpio1_err:
switch_dev_unregister(&jack->sdev);
switch_err:
kfree(priv);
return ret;
}
void twl6040_hs_jack_detect(struct snd_soc_codec *codec,
struct snd_soc_jack *jack, int report)
{
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
int status, state;
priv->hs_jack.jack = jack;
priv->hs_jack.report = report;
#if !defined(CONFIG_MACH_LGE_COSMO_REV_A)
/* Sync status */
status = twl6040_read_reg_volatile(codec, TWL6040_REG_STATUS);
#if defined(CONFIG_MACH_LGE_COSMOPOLITAN)
if(status & TWL6040_PLUGCOMP)
priv->hs_jack.state = HEADSET_NONE;
else
priv->hs_jack.state = WIRED_HEADSET;
#else
if(status & TWL6040_PLUGCOMP)
state = report;
else
state = 0;
#endif
#endif// !CONFIG_MACH_LGE_COSMO_REV_A
#if defined(CONFIG_MACH_LGE_COSMO_REV_A)
if(gpio_get_value(priv->hsjack_gpio))
#else
if(priv->hs_jack.state)
#endif
{
hs_set_bias(codec, 1);
set_hook_enable(codec, 1);
mdelay(200);
if(is_without_mic()){
set_hook_enable(codec, 0);
hs_set_bias(codec, 0);
state = WIRED_HEADPHONE;//wired headset without MIC
status = SND_JACK_HEADPHONE;
}
else{
/* for wired_headset */
if(priv->intmask & TWL6040_HOOKMSK){
priv->intmask &= ~TWL6040_HOOKMSK;
twl6040_write(codec, TWL6040_REG_INTMR, priv->intmask);
}
state = WIRED_HEADSET;//wired headset with MIC
status = priv->hs_jack.report;//SND_JACK_HEADSET
}
}
else{
/* when headset removed */
if(!(priv->intmask & TWL6040_HOOKMSK)) {
priv->intmask |= TWL6040_HOOKMSK;
twl6040_write(codec, TWL6040_REG_INTMR, priv->intmask);
}
set_hook_enable(codec, 0);
hs_set_bias(codec, 0);
state = HEADSET_NONE;
status = 0;
}
switch_set_state(&priv->hs_jack.sdev, state);
snd_soc_jack_report(jack, status, report);
}
static int twl6040_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
int audpwron = priv->audpwron;
int naudint = priv->naudint;
int ret;
switch (level) {
case SND_SOC_BIAS_ON:
break;
case SND_SOC_BIAS_PREPARE:
break;
case SND_SOC_BIAS_STANDBY:
if (priv->codec_powered)
break;
if (gpio_is_valid(audpwron)) {
/* use AUDPWRON line */
gpio_set_value(audpwron, 1);
#if defined(CONFIG_MACH_LGE_COSMO_REV_C)
mdelay(50);
#endif
/* wait for power-up completion */
ret = twl6040_power_up_completion(codec, naudint);
if (ret)
return ret;
/* sync registers updated during power-up sequence */
twl6040_read_reg_volatile(codec, TWL6040_REG_NCPCTL);
twl6040_read_reg_volatile(codec, TWL6040_REG_LDOCTL);
twl6040_read_reg_volatile(codec, TWL6040_REG_LPPLLCTL);
} else {
/* use manual power-up sequence */
twl6040_power_up(codec);
priv->codec_powered = 1;
}
/* initialize vdd/vss registers with reg_cache */
twl6040_init_vdd_regs(codec);
break;
case SND_SOC_BIAS_OFF:
if (!priv->codec_powered)
break;
if (gpio_is_valid(audpwron)) {
// Headset Left Driver make pop-noise when twl6040 enter into sleep mode.
u8 val;
val = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
if( val & 0x04 ) // temp disableed. It will be recovered when power-on.
{
twl6040_i2c_write(TWL6040_REG_HSLCTL, (val & (~0x04)));
msleep(1); // delay;;
}
/* use AUDPWRON line */
gpio_set_value(audpwron, 0);
/* power-down sequence latency */
mdelay(1); // more more...
/* sync registers updated during power-down sequence */
twl6040_read_reg_volatile(codec, TWL6040_REG_NCPCTL);
twl6040_read_reg_volatile(codec, TWL6040_REG_LDOCTL);
twl6040_write_reg_cache(codec, TWL6040_REG_LPPLLCTL,
0x00);
} else {
/* use manual power-down sequence */
twl6040_power_down(codec);
}
priv->codec_powered = 0;
break;
}
codec->dapm->bias_level = level;
return 0;
}
