hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

[media] Add registers names to XC2028 tuner from datahseet and use them 

Signed-off-by: Miroslav Slugen <thunder.mmm@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Miroslav Slugen 2011-12-11 20:19:34 -03:00 committed by Mauro Carvalho Chehab
parent 8a538a8855
commit 304bce414e
1 changed files with 21 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
drivers/media/common/tuners/tuner-xc2028.c
View File

@ -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 */