static int twl6040_vib_power(bool on)
{
int ret = 0;
mutex_lock(&misc_data->power_mutex);
cancel_delayed_work_sync(&misc_data->power_work);
if (on == misc_data->powered)
goto out;
if (on) {
/* vibra power-up is immediate */
ret = twl6040_enable(misc_data->twl6040);
if (ret)
goto out;
misc_data->powered = true;
} else {
/* vibra power-down is deferred */
schedule_delayed_work(&misc_data->power_work,
msecs_to_jiffies(TWL6040_VIB_POWER_DOWN_DELAY));
}
out:
mutex_unlock(&misc_data->power_mutex);
return ret;
}
static int archos_omap4_mcpdm_startup(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_codec *codec = rtd->codec;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
struct twl6040 *twl6040 = codec->control_data;
int clk_id, freq, ret = 0;
/* TWL6040 supplies McPDM PAD_CLKS */
ret = twl6040_enable(twl6040);
if (ret) {
printk(KERN_ERR "failed to enable TWL6040\n");
return ret;
}
if (twl6040_power_mode) {
clk_id = TWL6040_HPPLL_ID;
freq = 19200000;
_enable_master_clock();
ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq,
SND_SOC_CLOCK_IN);
} else {
clk_id = TWL6040_LPPLL_ID;
freq = 32768;
/* set the codec mclk */
ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq,
SND_SOC_CLOCK_IN);
_disable_master_clock();
}
if (ret)
printk(KERN_ERR "can't set codec system clock\n");
return ret;
}
static int sdp4430_dmic_startup(struct snd_pcm_substream *substream)
{
struct twl6040 *twl6040 = twl6040_codec->control_data;
/* In order for the DMIC's to use the PAD CLOCKS, the twl6040
* must be powered up, since it supplies the clock source.
*/
return twl6040_enable(twl6040);
}
static int vib_resume(struct device *dev)
{
struct vib_data *data = dev_get_drvdata(dev);
twl6040_enable(data->twl6040);
return 0;
}
static int sdp4430_mcpdm_twl6040_pre(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_codec *codec = rtd->codec;
struct twl6040 *twl6040 = codec->control_data;
/* TWL6040 supplies McPDM PAD_CLKS */
return twl6040_enable(twl6040);
}
static int sdp4430_mcpdm_startup(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_codec *codec = rtd->codec;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
struct twl6040 *twl6040 = codec->control_data;
int clk_id, freq, ret;
/* TWL6040 supplies McPDM PAD_CLKS */
ret = twl6040_enable(twl6040);
if (ret) {
printk(KERN_ERR "failed to enable TWL6040\n");
return ret;
}
if (twl6040_power_mode) {
clk_id = TWL6040_HPPLL_ID;
/*freq = 38400000;*/
freq = 26000000;
/*
* TWL6040 requires MCLK to be active as long as
* high-performance mode is in use. Glitch-free mux
* cannot tolerate MCLK gating
*/
ret = cdc_tcxo_set_req_int(CDC_TCXO_CLK2, 1);
if (ret) {
printk(KERN_ERR "failed to enable twl6040 MCLK\n");
goto err;
}
} else {
clk_id = TWL6040_LPPLL_ID;
freq = 32768;
}
/* set the codec mclk */
ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq,
SND_SOC_CLOCK_IN);
if (ret) {
printk(KERN_ERR "can't set codec system clock\n");
goto err;
}
/* low-power mode uses 32k clock, MCLK is not required */
if (!twl6040_power_mode) {
ret = cdc_tcxo_set_req_int(CDC_TCXO_CLK2, 0);
if (ret)
printk(KERN_ERR "failed to disable twl6040 MCLK\n");
}
return 0;
err:
twl6040_disable(twl6040);
return ret;
}
static int vib_probe(struct platform_device *pdev)
{
struct twl4030_codec_vibra_data *pdata = pdev->dev.platform_data;
struct vib_data *data;
int ret = 0;
if (!pdata) {
ret = -EBUSY;
goto err0;
}
data = kzalloc(sizeof(struct vib_data), GFP_KERNEL);
if (!data) {
ret = -ENOMEM;
goto err0;
}
data->pdata = pdata;
data->twl6040 = dev_get_drvdata(pdev->dev.parent);
INIT_WORK(&data->vib_work, vib_update);
hrtimer_init(&data->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
data->timer.function = vib_timer_func;
spin_lock_init(&data->lock);
data->dev.name = "vibrator";
data->dev.get_time = vib_get_time;
data->dev.enable = vib_enable;
ret = timed_output_dev_register(&data->dev);
if (ret < 0)
goto err1;
if (data->pdata->init)
ret = data->pdata->init();
if (ret < 0)
goto err2;
misc_data = data;
platform_set_drvdata(pdev, data);
twl6040_enable(data->twl6040);
vib_enable(&data->dev, data->pdata->initial_vibrate);
return 0;
err2:
timed_output_dev_unregister(&data->dev);
err1:
kfree(data);
err0:
return ret;
}
static int sdp4430_mcpdm_twl6040_pre(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_codec *codec = rtd->codec;
struct twl6040 *twl6040 = codec->control_data;
int ret;
/* enable external 32kHz clock */
ret = regulator_enable(twl6040_clk32kreg);
if (ret) {
printk(KERN_ERR "failed to enable TWL6040 CLK32K\n");
return ret;
}
/* disable internal 32kHz oscillator */
twl6040_clear_bits(twl6040, TWL6040_REG_ACCCTL, TWL6040_CLK32KSEL);
/* TWL6040 supplies McPDM PAD_CLKS */
return twl6040_enable(twl6040);
}
static int twl6040_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
struct twl6040_codec *twl6040 = codec->control_data;
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
switch (level) {
case SND_SOC_BIAS_ON:
break;
case SND_SOC_BIAS_PREPARE:
break;
case SND_SOC_BIAS_STANDBY:
if (priv->codec_powered)
break;
twl6040_enable(twl6040);
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;
twl6040_disable(twl6040);
priv->codec_powered = 0;
break;
}
priv->pll = twl6040_get_pll(twl6040);
priv->sysclk = twl6040_get_sysclk(twl6040);
codec->dapm->bias_level = level;
return 0;
}
static int __devinit twl6040_vibra_probe(struct platform_device *pdev)
{
struct twl4030_codec_vibra_data *pdata = pdev->dev.platform_data;
struct vibra_info *info;
int ret;
if (!pdata) {
dev_err(&pdev->dev, "platform_data not available\n");
return -EINVAL;
}
info = kzalloc(sizeof(*info), GFP_KERNEL);
if (!info) {
dev_err(&pdev->dev, "couldn't allocate memory \n");
return -ENOMEM;
}
info->dev = &pdev->dev;
info->coexist = pdata->coexist;
info->twl6040 = dev_get_drvdata(pdev->dev.parent);
INIT_WORK(&info->play_work, vibra_play_work);
info->input_dev = input_allocate_device();
if (info->input_dev == NULL) {
dev_err(&pdev->dev, "couldn't allocate input device\n");
ret = -ENOMEM;
goto err_kzalloc;
}
input_set_drvdata(info->input_dev, info);
info->input_dev->name = "twl6040:vibrator";
info->input_dev->id.version = 1;
info->input_dev->dev.parent = pdev->dev.parent;
info->input_dev->open = twl6040_vibra_open;
info->input_dev->close = twl6040_vibra_close;
__set_bit(FF_RUMBLE, info->input_dev->ffbit);
ret = input_ff_create_memless(info->input_dev, NULL, vibra_play);
if (ret < 0) {
dev_err(&pdev->dev, "couldn't register vibrator to FF\n");
goto err_ialloc;
}
ret = input_register_device(info->input_dev);
if (ret < 0) {
dev_err(&pdev->dev, "couldn't register input device\n");
goto err_iff;
}
platform_set_drvdata(pdev, info);
twl6040_enable(info->twl6040);
return 0;
err_iff:
input_ff_destroy(info->input_dev);
err_ialloc:
input_free_device(info->input_dev);
err_kzalloc:
kfree(info);
return ret;
}