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Commit 304bce41 authored by Miroslav Slugen's avatar Miroslav Slugen Committed by Mauro Carvalho Chehab
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[media] Add registers names to XC2028 tuner from datahseet and use them 



Signed-off-by: default avatarMiroslav Slugen <thunder.mmm@gmail.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 8a538a88

drivers/media/common/tuners/tuner-xc2028.c

+21 −6
Original line number Original line Diff line number Diff line
@@ -24,6 +24,21 @@ 
#include <linux/dvb/frontend.h>

#include <linux/dvb/frontend.h>

#include "dvb_frontend.h"

#include "dvb_frontend.h"





/* Registers (Write-only) */

#define XREG_INIT         0x00

#define XREG_RF_FREQ      0x02

#define XREG_POWER_DOWN   0x08



/* Registers (Read-only) */

#define XREG_FREQ_ERROR   0x01

#define XREG_LOCK         0x02

#define XREG_VERSION      0x04

#define XREG_PRODUCT_ID   0x08

#define XREG_HSYNC_FREQ   0x10

#define XREG_FRAME_LINES  0x20

#define XREG_SNR          0x40



#define XREG_ADC_ENV      0x0100





static int debug;

static int debug;

module_param(debug, int, 0644);

module_param(debug, int, 0644);
@@ -885,7 +900,7 @@ static int xc2028_signal(struct dvb_frontend *fe, u16 *strength) 
	mutex_lock(&priv->lock);

	mutex_lock(&priv->lock);





	/* Sync Lock Indicator */

	/* Sync Lock Indicator */

	rc = xc2028_get_reg(priv, 0x0002, &frq_lock);

	rc = xc2028_get_reg(priv, XREG_LOCK, &frq_lock);

	if (rc < 0)

	if (rc < 0)

		goto ret;

		goto ret;
@@ -894,7 +909,7 @@ static int xc2028_signal(struct dvb_frontend *fe, u16 *strength) 
		signal = 1 << 11;

		signal = 1 << 11;





	/* Get SNR of the video signal */

	/* Get SNR of the video signal */

	rc = xc2028_get_reg(priv, 0x0040, &signal);

	rc = xc2028_get_reg(priv, XREG_SNR, &signal);

	if (rc < 0)

	if (rc < 0)

		goto ret;

		goto ret;
@@ -1019,9 +1034,9 @@ static int generic_set_freq(struct dvb_frontend *fe, u32 freq /* in HZ */, 




	/* CMD= Set frequency */

	/* CMD= Set frequency */

	if (priv->firm_version < 0x0202)

	if (priv->firm_version < 0x0202)

		rc = send_seq(priv, {0x00, 0x02, 0x00, 0x00});

		rc = send_seq(priv, {0x00, XREG_RF_FREQ, 0x00, 0x00});

	else

	else

		rc = send_seq(priv, {0x80, 0x02, 0x00, 0x00});

		rc = send_seq(priv, {0x80, XREG_RF_FREQ, 0x00, 0x00});

	if (rc < 0)

	if (rc < 0)

		goto ret;

		goto ret;
@@ -1201,9 +1216,9 @@ static int xc2028_sleep(struct dvb_frontend *fe) 
	mutex_lock(&priv->lock);

	mutex_lock(&priv->lock);





	if (priv->firm_version < 0x0202)

	if (priv->firm_version < 0x0202)

		rc = send_seq(priv, {0x00, 0x08, 0x00, 0x00});

		rc = send_seq(priv, {0x00, XREG_POWER_DOWN, 0x00, 0x00});

	else

	else

		rc = send_seq(priv, {0x80, 0x08, 0x00, 0x00});

		rc = send_seq(priv, {0x80, XREG_POWER_DOWN, 0x00, 0x00});





	priv->cur_fw.type = 0;	/* need firmware reload */

	priv->cur_fw.type = 0;	/* need firmware reload */