/****************************************************************************
*
* Function Name: void csl_caph_switch_release_channel(CSL_CAPH_SWITCH_CHNL_e
* chnl)
*
* Description: release CAPH switch channel
*
****************************************************************************/
void csl_caph_switch_release_channel(CSL_CAPH_SWITCH_CHNL_e chnl)
{
CAPH_SWITCH_CHNL_e chal_chnl = CAPH_SWITCH_CH_VOID;
aTrace(LOG_AUDIO_CSL,
"csl_caph_switch_release_channel:: chnl = 0x%x\n",
chnl);
chal_chnl = csl_caph_switch_get_chalchnl(chnl);
chal_caph_switch_free_channel(handle, chal_chnl);
return;
}
/****************************************************************************
*
* Function Name:CSL_CAPH_SWITCH_STATUS_e csl_caph_switch_config_channel(
* CSL_CAPH_SWITCH_CONFIG_t chnl_config)
*
* Description: configure CAPH switch channel
*
****************************************************************************/
CSL_CAPH_SWITCH_STATUS_e csl_caph_switch_config_channel(CSL_CAPH_SWITCH_CONFIG_t
chnl_config)
{
CAPH_SWITCH_CHNL_e chal_chnl = CAPH_SWITCH_CH_VOID;
CAPH_DATA_FORMAT_e chal_dataFormat = CAPH_MONO_16BIT;
CAPH_SWITCH_TRIGGER_e chal_trig = CAPH_VOID;
CAPH_DST_STATUS_e dstStatus = CAPH_DST_OK;
CSL_CAPH_SWITCH_STATUS_e status = CSL_CAPH_SWITCH_OWNER;
aTrace(LOG_AUDIO_CNTLR,
"csl_caph_switch_config_channel:: chnl = 0x%x, srcAddr = "
"0x%lx, dstcAddr = 0x%lx, dataFmt = 0x%x, trigger = 0x%x\n",
chnl_config.chnl,
chnl_config.FIFO_srcAddr,
chnl_config.FIFO_dstAddr,
chnl_config.dataFmt, chnl_config.trigger);
/* Get cHAL Channel */
chal_chnl = csl_caph_switch_get_chalchnl(chnl_config.chnl);
/* Select Source for this channel */
chal_caph_switch_select_src(handle, chal_chnl,
(UInt16) (chnl_config.FIFO_srcAddr));
/* Add Dst for this channel */
dstStatus =
chal_caph_switch_add_dst(handle, chal_chnl,
(UInt16) (chnl_config.FIFO_dstAddr));
csl_caph_switch_setDSTStatus(chal_chnl, dstStatus);
/* If the DST is already being used by other channels
* Do not set the switch channel anymore.
*/
if (dstStatus != CAPH_DST_OK) {
audio_xassert(0, dstStatus);
aError("%s::sw %d chal_chnl %d dst 0x%lx used by other sw, dstStatus=%d\n",
__func__, chnl_config.chnl, chal_chnl, chnl_config.FIFO_dstAddr, dstStatus);
csl_caph_hwctrldump();
chal_caph_switch_free_channel(handle, chal_chnl);
status = CSL_CAPH_SWITCH_BORROWER;
return status;
}
/* Set data format */
switch (chnl_config.dataFmt) {
case CSL_CAPH_16BIT_MONO:
chal_dataFormat = CAPH_MONO_16BIT;
break;
case CSL_CAPH_16BIT_STEREO:
chal_dataFormat = CAPH_STEREO_16BIT;
break;
case CSL_CAPH_24BIT_MONO:
chal_dataFormat = CAPH_MONO_24BIT;
break;
case CSL_CAPH_24BIT_STEREO:
chal_dataFormat = CAPH_STEREO_24BIT;
break;
default:
audio_xassert(0, chnl_config.dataFmt);
}
chal_caph_switch_set_datafmt(handle, chal_chnl, chal_dataFormat);
/* Select the trigger */
chal_trig = chnl_config.trigger;
chal_caph_switch_select_trigger(handle, chal_chnl, chal_trig);
return status;
}
