/*
*Turn on or off the transmission path.
*/
static void rockchip_snd_txctrl(struct rk30_i2s_info *i2s, int on)
{
u32 opr, xfer, clr;
unsigned long flags;
bool is_need_delay = false;
int clr_error_count = I2S_CLR_ERROR_COUNT;
spin_lock_irqsave(&lock, flags);
opr = readl(&(pheadi2s->I2S_DMACR));
xfer = readl(&(pheadi2s->I2S_XFER));
clr = readl(&(pheadi2s->I2S_CLR));
I2S_DBG("rockchip_snd_txctrl: %s\n", on ? "on" : "off");
if (on) {
if ((opr & I2S_TRAN_DMA_ENABLE) == 0) {
opr |= I2S_TRAN_DMA_ENABLE;
writel(opr, &(pheadi2s->I2S_DMACR));
}
if ((xfer & I2S_TX_TRAN_START) == 0 || (xfer & I2S_RX_TRAN_START) == 0) {
xfer |= I2S_TX_TRAN_START;
xfer |= I2S_RX_TRAN_START;
writel(xfer, &(pheadi2s->I2S_XFER));
}
i2s->i2s_tx_status = 1;
} else { //stop tx
i2s->i2s_tx_status = 0;
opr &= ~I2S_TRAN_DMA_ENABLE;
writel(opr, &(pheadi2s->I2S_DMACR));
if (i2s->i2s_rx_status == 0 && hdmi_get_hotplug() == 0) {
xfer &= ~I2S_TX_TRAN_START;
xfer &= ~I2S_RX_TRAN_START;
writel(xfer, &(pheadi2s->I2S_XFER));
clr |= I2S_TX_CLEAR;
clr |= I2S_RX_CLEAR;
writel(clr, &(pheadi2s->I2S_CLR));
is_need_delay = true;
I2S_DBG("rockchip_snd_txctrl: stop xfer\n");
}
}
spin_unlock_irqrestore(&lock, flags);
if (is_need_delay){
while(readl(&(pheadi2s->I2S_CLR)) && clr_error_count){
udelay(1);
clr_error_count --;
if(clr_error_count == 0)
printk("%s: i2s clr reg warning =%d",__FUNCTION__,readl(&(pheadi2s->I2S_CLR)));
}
}
}
static bool get_hdmi_state(void)
{
#ifdef CONFIG_HDMI
if(hdmi_is_insert())
return true;
#endif
#ifdef CONFIG_HDMI_RK30
if(hdmi_get_hotplug() == 2/*HDMI_HPD_ACTIVED*/)
return true;
#endif
return false;
}
/*
* Logic for a rt3261 as connected on a rockchip board.
*/
static int rk29_rt3261_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_codec *codec = rtd->codec;
struct snd_soc_dapm_context *dapm = &codec->dapm;
DBG("Enter::%s----%d\n",__FUNCTION__,__LINE__);
snd_soc_add_controls(codec, rk_controls,
ARRAY_SIZE(rk_controls));
/* Add specific widgets */
snd_soc_dapm_new_controls(dapm, rt3261_dapm_widgets,
ARRAY_SIZE(rt3261_dapm_widgets));
/* Set up specific audio path audio_mapnects */
snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
snd_soc_dapm_enable_pin(dapm, "Mic Jack");
snd_soc_dapm_enable_pin(dapm, "Headset Jack");
snd_soc_dapm_enable_pin(dapm, "Ext Spk");
snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
#ifdef CONFIG_HDMI
extern int hdmi_is_insert(void);
extern void codec_set_spk(bool on);
if(hdmi_is_insert())
codec_set_spk(false);
#endif
#ifdef CONFIG_HDMI_RK30
extern int hdmi_get_hotplug(void);
if(hdmi_get_hotplug() == 2/*HDMI_HPD_ACTIVED*/)
codec_set_spk(false);
#endif
snd_soc_dapm_sync(dapm);
return 0;
}
