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Commit 818a1776 authored by Istvan Varga's avatar Istvan Varga Committed by Mauro Carvalho Chehab
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[media] xc4000: implemented analog TV and radio 



The following patch implements support for analog TV and FM radio.

Signed-off-by: default avatarIstvan Varga <istvan_v@mailbox.hu>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 923137a4

drivers/media/common/tuners/xc4000.c

+100 −19
Original line number Diff line number Diff line
@@ -1283,69 +1283,150 @@ static int xc4000_set_analog_params(struct dvb_frontend *fe, 
	struct analog_parameters *params)

{

	struct xc4000_priv *priv = fe->tuner_priv;

	unsigned int type = 0;

	int	ret = -EREMOTEIO;



	dprintk(1, "%s() frequency=%d (in units of 62.5khz)\n",

	if (params->mode == V4L2_TUNER_RADIO) {

		dprintk(1, "%s() frequency=%d (in units of 62.5Hz)\n",

			__func__, params->frequency);



		mutex_lock(&priv->lock);



	/* Fix me: it could be air. */

	priv->rf_mode = params->mode;

	if (params->mode > XC_RF_MODE_CABLE)

		priv->rf_mode = XC_RF_MODE_CABLE;

		params->std = 0;

		priv->freq_hz = params->frequency * 125L / 2;



		if (audio_std & XC4000_AUDIO_STD_INPUT1) {

			priv->video_standard = XC4000_FM_Radio_INPUT1;

			type = FM | INPUT1;

		} else {

			priv->video_standard = XC4000_FM_Radio_INPUT2;

			type = FM | INPUT2;

		}



		goto tune_channel;

	}



	dprintk(1, "%s() frequency=%d (in units of 62.5khz)\n",

		__func__, params->frequency);



	mutex_lock(&priv->lock);



	/* params->frequency is in units of 62.5khz */

	priv->freq_hz = params->frequency * 62500;



	/* FIX ME: Some video standards may have several possible audio

		   standards. We simply default to one of them here.

	 */

	params->std &= V4L2_STD_ALL;

	/* if std is not defined, choose one */

	if (!params->std)

		params->std = V4L2_STD_PAL_BG;



	if (audio_std & XC4000_AUDIO_STD_MONO)

		type = MONO;



	if (params->std & V4L2_STD_MN) {

		/* default to BTSC audio standard */

		params->std = V4L2_STD_MN;

		if (audio_std & XC4000_AUDIO_STD_MONO) {

			priv->video_standard = XC4000_MN_NTSC_PAL_Mono;

		} else if (audio_std & XC4000_AUDIO_STD_A2) {

			params->std |= V4L2_STD_A2;

			priv->video_standard = XC4000_MN_NTSC_PAL_A2;

		} else {

			params->std |= V4L2_STD_BTSC;

			priv->video_standard = XC4000_MN_NTSC_PAL_BTSC;

		}

		goto tune_channel;

	}



	if (params->std & V4L2_STD_PAL_BG) {

		/* default to NICAM audio standard */

		params->std = V4L2_STD_PAL_BG;

		if (audio_std & XC4000_AUDIO_STD_MONO) {

			priv->video_standard = XC4000_BG_PAL_MONO;

		} else if (!(audio_std & XC4000_AUDIO_STD_A2)) {

			if (!(audio_std & XC4000_AUDIO_STD_B)) {

				params->std |= V4L2_STD_NICAM_A;

				priv->video_standard = XC4000_BG_PAL_NICAM;

			} else {

				params->std |= V4L2_STD_NICAM_B;

				priv->video_standard = XC4000_BG_PAL_NICAM;

			}

		} else {

			if (!(audio_std & XC4000_AUDIO_STD_B)) {

				params->std |= V4L2_STD_A2_A;

				priv->video_standard = XC4000_BG_PAL_A2;

			} else {

				params->std |= V4L2_STD_A2_B;

				priv->video_standard = XC4000_BG_PAL_A2;

			}

		}

		goto tune_channel;

	}



	if (params->std & V4L2_STD_PAL_I) {

		/* default to NICAM audio standard */

		params->std = V4L2_STD_PAL_I | V4L2_STD_NICAM;

		if (audio_std & XC4000_AUDIO_STD_MONO) {

			priv->video_standard = XC4000_I_PAL_NICAM_MONO;

		} else {

			priv->video_standard = XC4000_I_PAL_NICAM;

		}

		goto tune_channel;

	}



	if (params->std & V4L2_STD_PAL_DK) {

		/* default to NICAM audio standard */

		params->std = V4L2_STD_PAL_DK;

		if (audio_std & XC4000_AUDIO_STD_MONO) {

			priv->video_standard = XC4000_DK_PAL_MONO;

		} else if (audio_std & XC4000_AUDIO_STD_A2) {

			params->std |= V4L2_STD_A2;

			priv->video_standard = XC4000_DK_PAL_A2;

		} else {

			params->std |= V4L2_STD_NICAM;

			priv->video_standard = XC4000_DK_PAL_NICAM;

		}

		goto tune_channel;

	}



	if (params->std & V4L2_STD_SECAM_DK) {

		/* default to A2 DK1 audio standard */

		/* default to A2 audio standard */

		params->std = V4L2_STD_SECAM_DK | V4L2_STD_A2;

		if (audio_std & XC4000_AUDIO_STD_L) {

			type = 0;

			priv->video_standard = XC4000_DK_SECAM_NICAM;

		} else if (audio_std & XC4000_AUDIO_STD_MONO) {

			priv->video_standard = XC4000_DK_SECAM_A2MONO;

		} else if (audio_std & XC4000_AUDIO_STD_K3) {

			params->std |= V4L2_STD_SECAM_K3;

			priv->video_standard = XC4000_DK_SECAM_A2LDK3;

		} else {

			priv->video_standard = XC4000_DK_SECAM_A2DK1;

		}

		goto tune_channel;

	}



	if (params->std & V4L2_STD_SECAM_L) {

		/* default to NICAM audio standard */

		type = 0;

		params->std = V4L2_STD_SECAM_L | V4L2_STD_NICAM;

		priv->video_standard = XC4000_L_SECAM_NICAM;

		goto tune_channel;

	}



	if (params->std & V4L2_STD_SECAM_LC) {

		/* default to NICAM audio standard */

		type = 0;

		params->std = V4L2_STD_SECAM_LC | V4L2_STD_NICAM;

		priv->video_standard = XC4000_LC_SECAM_NICAM;

		goto tune_channel;

	}



tune_channel:

	/* Fix me: it could be air. */

	priv->rf_mode = XC_RF_MODE_CABLE;



	/* FIXME - firmware type not being set properly */

	if (check_firmware(fe, DTV8, 0, priv->if_khz) != XC_RESULT_SUCCESS)

	if (check_firmware(fe, type, params->std,

			   XC4000_Standard[priv->video_standard].int_freq)

	    != XC_RESULT_SUCCESS) {

		goto fail;

	}



	ret = xc_SetSignalSource(priv, priv->rf_mode);

	if (ret != XC_RESULT_SUCCESS) {