static int HandleControlCommand(void)
{
AUDCTRL_SPEAKER_t spkr;
switch(sgBrcm_auddrv_TestValues[1])
{
case 1:// Initialize the audio controller
{
DEBUG(" Audio Controller Init\n");
AUDCTRL_Init ();
DEBUG(" Audio Controller Init Complete\n");
}
break;
case 2:// Start Hw loopback
{
DEBUG(" Audio Loopback start\n");
spkr = sgBrcm_auddrv_TestValues[2];
AUDCTRL_SetAudioLoopback(1,AUDCTRL_MIC_MAIN,spkr);
DEBUG(" Audio loopback started\n");
}
break;
case 3:// Dump registers
{
DEBUG(" Dump registers\n");
dump_audio_registers();
DEBUG(" Dump registers done \n");
}
break;
case 4:// Enable telephony
{
DEBUG(" Enable telephony\n");
AUDCTRL_EnableTelephony(AUDIO_HW_VOICE_IN,AUDIO_HW_VOICE_OUT,AUDCTRL_MIC_MAIN,AUDCTRL_SPK_HANDSET);
DEBUG(" Telephony enabled \n");
}
break;
case 5:// Disable telephony
{
DEBUG(" Disable telephony\n");
AUDCTRL_DisableTelephony(AUDIO_HW_VOICE_IN,AUDIO_HW_VOICE_OUT,AUDCTRL_MIC_MAIN,AUDCTRL_SPK_HANDSET);
DEBUG(" Telephony disabled \n");
}
break;
case 6:// switch to EP
{
UInt8* ahb_au_base;
ahb_au_base = (UInt8*)ahb_audio_base;
DEBUG(" switch to EP\n");
*((volatile UInt16 *)(ahb_au_base+DSP_AUDIO_MIXER_INPUT_SEL_R_OFFSET)) = 0x0000;
*((volatile UInt16 *)(ahb_au_base+DSP_AUDIO_MIXER_INPUT_SEL_R_OFFSET)) = 0x4003;
*((volatile UInt32 *) (SYSCFG_BASE_ADDR+SYSCFG_ANACR0_OFFSET)) = 0x000060ca;
DEBUG(" switch to EP done \n");
}
break;
case 7:// switch to speaker
{
UInt8* ahb_au_base;
ahb_au_base = (UInt8*)ahb_audio_base;
DEBUG(" switch to SP\n");
*((volatile UInt16 *)(ahb_au_base+DSP_AUDIO_MIXER_INPUT_SEL_R_OFFSET)) = 0x4000;
*((volatile UInt16 *)(ahb_au_base+DSP_AUDIO_MIXER_INPUT_SEL_R_OFFSET)) = 0x0003;
*((volatile UInt32 *) (SYSCFG_BASE_ADDR+SYSCFG_ANACR0_OFFSET)) = 0x000060d4;
DEBUG(" switch to SP done \n");
}
break;
default:
DEBUG(" Invalid Control Command\n");
}
return 0;
}
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++
*
* Function Name: PcmDeviceNew
*
* Description: Create PCM playback and capture device
*
*------------------------------------------------------------
*/
int __devinit PcmDeviceNew(struct snd_card *card)
{
struct snd_pcm *pcm;
int err = 0;
brcm_alsa_chip_t *pChip;
struct snd_pcm_substream *substream;
callMode = CALL_MODE_NONE;
err =
snd_pcm_new(card, "Broadcom CAPH", 0, NUM_PLAYBACK_SUBDEVICE,
NUM_CAPTURE_SUBDEVICE, &pcm);
if (err < 0)
return err;
pcm->private_data = card->private_data;
strcpy(pcm->name, "Broadcom CAPH PCM");
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
&brcm_alsa_omx_pcm_playback_ops);
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
&brcm_alsa_omx_pcm_capture_ops);
pcm->info_flags = 0;
/*pre-allocate memory for playback device */
substream = pcm->streams[0].substream;
for (; substream; substream = substream->next) {
err =
snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV,
0,
(IS_PCM_MEM_PREALLOCATED) ?
PCM_MAX_PLAYBACK_BUF_BYTES :
0,
PCM_MAX_PLAYBACK_BUF_BYTES);
if (err)
aError
("\n Error : Error when allocate memory for"
" playback device err=%d\n", err);
}
/*pre-allocate memory for capture device */
substream = pcm->streams[1].substream;
for (; substream; substream = substream->next) {
err =
snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV,
0,
(IS_PCM_MEM_PREALLOCATED) ?
PCM_MAX_CAPTURE_BUF_BYTES : 0,
PCM_MAX_CAPTURE_BUF_BYTES);
if (err)
aError
("\n Error : Error when allocate memory for"
" capture device err=%d\n", err);
}
pChip = (brcm_alsa_chip_t *) card->private_data;
/* Initialize the audio controller */
aTrace(LOG_ALSA_INTERFACE, "ALSA-CAPH PcmDeviceNew:call AUDIO_Init\n");
caph_audio_init();
#if defined(CONFIG_BCM_MODEM)
DSPDRV_Init();
#endif
AUDCTRL_Init();
#if defined(DYNAMIC_DMA_PLAYBACK)
spin_lock_init(©_lock);
#endif
aTrace(LOG_ALSA_INTERFACE,
"\n PcmDeviceNew : PcmDeviceNew err=%d\n", err);
return err;
}
