static int omap_hdmi_dai_trigger(struct snd_pcm_substream *substream, int cmd,
struct snd_soc_dai *dai)
{
int err = 0;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
omap_hwmod_set_slave_idlemode(hdmi.oh,
HWMOD_IDLEMODE_NO);
hdmi.dssdev->driver->audio_start(hdmi.dssdev, true);
hdmi.active = 1;
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
hdmi.active = 0;
hdmi.dssdev->driver->audio_start(hdmi.dssdev, false);
omap_hwmod_set_slave_idlemode(hdmi.oh,
HWMOD_IDLEMODE_SMART_WKUP);
break;
default:
err = -EINVAL;
}
return err;
}
static int hdmi_audio_trigger(struct snd_pcm_substream *substream, int cmd,
struct snd_soc_dai *dai)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_codec *codec = rtd->codec;
struct hdmi_codec_data *priv = snd_soc_codec_get_drvdata(codec);
int err = 0;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
/*
* switch to no-idle to avoid DSS_L3_ICLK clock
* to be shutdown during audio activity (as per TRM)
*/
omap_hwmod_set_slave_idlemode(priv->oh,
HWMOD_IDLEMODE_NO);
hdmi_ti_4xxx_wp_audio_enable(&priv->ip_data, 1);
queue_delayed_work(priv->workqueue, &priv->delayed_work,
msecs_to_jiffies(1));
priv->active = 1;
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
if (delayed_work_pending(&hdmi_data.delayed_work))
cancel_delayed_work(&hdmi_data.delayed_work);
priv->active = 0;
hdmi_ti_4xxx_audio_transfer_en(&priv->ip_data, 0);
hdmi_ti_4xxx_wp_audio_enable(&priv->ip_data, 0);
/*
* switch back to smart-idle & wakeup capable
* after audio activity stops
*/
omap_hwmod_set_slave_idlemode(priv->oh,
HWMOD_IDLEMODE_SMART_WKUP);
break;
default:
err = -EINVAL;
}
return err;
}
int hdmi_audio_notifier_callback(struct notifier_block *nb,
unsigned long arg, void *ptr)
{
enum omap_dss_display_state state = arg;
if (state == OMAP_DSS_DISPLAY_ACTIVE) {
/* this happens just after hdmi_power_on */
if (hdmi_data.active)
hdmi_ti_4xxx_audio_enable(&hdmi_data.ip_data, 0);
hdmi_audio_set_configuration(&hdmi_data);
if (hdmi_data.active) {
omap_hwmod_set_slave_idlemode(hdmi_data.oh,
HWMOD_IDLEMODE_NO);
hdmi_ti_4xxx_audio_enable(&hdmi_data.ip_data, 1);
}
}
return 0;
}
static int hdmi_audio_notifier_callback(struct notifier_block *nb,
unsigned long arg, void *ptr)
{
enum omap_dss_display_state state = arg;
int err = 0;
if (state == OMAP_DSS_DISPLAY_ACTIVE) {
if (hdmi.active)
hdmi.dssdev->driver->audio_enable(hdmi.dssdev, false);
err = hdmi.dssdev->driver->audio_config(hdmi.dssdev,
&hdmi.iec, &hdmi.cea);
if (hdmi.active) {
omap_hwmod_set_slave_idlemode(hdmi.oh,
HWMOD_IDLEMODE_NO);
hdmi.dssdev->driver->audio_enable(hdmi.dssdev,
true);
}
}
return err;
}
static int omap_serial_runtime_resume(struct device *dev)
{
struct uart_omap_port *up = dev_get_drvdata(dev);
struct omap_device *od;
if (up) {
if (omap_pm_was_context_lost(dev))
omap_uart_restore_context(up);
if (up->use_dma) {
/* NO TX_DMA WAKEUP SO KEEP IN NO IDLE MODE */
od = to_omap_device(up->pdev);
omap_hwmod_set_slave_idlemode(od->hwmods[0],
HWMOD_IDLEMODE_NO);
}
if (up->rts_mux_driver_control && (!up->rts_pullup_in_suspend))
omap_rts_mux_write(0, up->port.line);
}
return 0;
}
int hdmi_audio_notifier_callback(struct notifier_block *nb,
unsigned long arg, void *ptr)
{
enum omap_dss_display_state state = arg;
if (state == OMAP_DSS_DISPLAY_ACTIVE) {
/* this happens just after hdmi_power_on */
hdmi_audio_set_configuration(&hdmi_data);
if (hdmi_data.active) {
omap_hwmod_set_slave_idlemode(hdmi_data.oh,
HWMOD_IDLEMODE_NO);
hdmi_ti_4xxx_wp_audio_enable(&hdmi_data.ip_data, 1);
queue_delayed_work(hdmi_data.workqueue,
&hdmi_data.delayed_work,
msecs_to_jiffies(1));
}
} else {
cancel_delayed_work_sync(&hdmi_data.delayed_work);
}
return 0;
}