/* Selects the audio input and output according to the current
settings. */
void ivtv_audio_set_io(struct ivtv *itv)
{
const struct ivtv_card_audio_input *in;
u32 input, output = 0;
/* Determine which input to use */
if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags))
in = &itv->card->radio_input;
else
in = &itv->card->audio_inputs[itv->audio_input];
/* handle muxer chips */
input = in->muxer_input;
if (itv->card->hw_muxer & IVTV_HW_M52790)
output = M52790_OUT_STEREO;
v4l2_subdev_call(itv->sd_muxer, audio, s_routing,
input, output, 0);
input = in->audio_input;
output = 0;
if (itv->card->hw_audio & IVTV_HW_MSP34XX)
output = MSP_OUTPUT(MSP_SC_IN_DSP_SCART1);
ivtv_call_hw(itv, itv->card->hw_audio, audio, s_routing,
input, output, 0);
}
/* This function selects the correct audio input source */
static void set_stereo(struct pvr2_msp3400_handler *ctxt)
{
struct pvr2_hdw *hdw = ctxt->hdw;
struct v4l2_routing route;
pvr2_trace(PVR2_TRACE_CHIPS,"i2c msp3400 v4l2 set_stereo");
route.input = MSP_INPUT_DEFAULT;
route.output = MSP_OUTPUT(MSP_SC_IN_DSP_SCART1);
switch (hdw->input_val) {
case PVR2_CVAL_INPUT_TV:
break;
case PVR2_CVAL_INPUT_RADIO:
/* Assume that msp34xx also handle FM decoding, in which case
we're still using the tuner. */
/* HV: actually it is more likely to be the SCART2 input if
the ivtv experience is any indication. */
route.input = MSP_INPUT(MSP_IN_SCART2, MSP_IN_TUNER1,
MSP_DSP_IN_SCART, MSP_DSP_IN_SCART);
break;
case PVR2_CVAL_INPUT_SVIDEO:
case PVR2_CVAL_INPUT_COMPOSITE:
/* SCART 1 input */
route.input = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER1,
MSP_DSP_IN_SCART, MSP_DSP_IN_SCART);
break;
}
pvr2_i2c_client_cmd(ctxt->client,VIDIOC_INT_S_AUDIO_ROUTING,&route);
}
void tl880_msp_config(struct tl880_dev *tl880dev)
{
unsigned short msp_type[2];
struct v4l2_routing msp_routing;
int standard;
printk(KERN_DEBUG "tl880: Configuring the MSP chip\n");
#ifdef WILLNOTCOMPILE
tl880_msp_set_std(tl880dev, /* gpJanus+16714 */ 2);
#endif
memset(&msp_routing, 0, sizeof(msp_routing));
// TODO: call only the MSP
standard = V4L2_STD_NTSC_M;
tl880_call_i2c_clients(tl880dev, VIDIOC_S_STD, (void *)&standard);
tl880_call_i2c_clients(tl880dev, VIDIOC_INT_G_AUDIO_ROUTING, (void *)&msp_routing);
printk(KERN_DEBUG "tl880: msp routing is %04x by %04x\n",
msp_routing.input, msp_routing.output);
msp_routing.input = MSP_INPUT(MSP_IN_MUTE, MSP_IN_TUNER1, MSP_DSP_IN_TUNER, MSP_DSP_IN_TUNER);
msp_routing.output = MSP_OUTPUT(MSP_SC_IN_MUTE);
printk(KERN_DEBUG "tl880: setting msp routing to %04x x %04x\n",
msp_routing.input, msp_routing.output);
tl880_call_i2c_clients(tl880dev, VIDIOC_INT_S_AUDIO_ROUTING, (void *)&msp_routing);
tl880_msp_init(tl880dev, msp_type);
}
