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authorMiroslav Slugen <thunder.mmm@gmail.com>2011-12-12 03:19:34 +0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-01-16 18:24:39 +0400
commit304bce414efce196f4051f2a5d11418c2c2ef7f9 (patch)
treede7ec66ba246e4758a17fa9f9ce4b4cf0671eb3b /drivers/media/common/tuners
parent8a538a8855aa95e5a12ae232a140e6b30c56d0c5 (diff)
downloadlinux-304bce414efce196f4051f2a5d11418c2c2ef7f9.tar.xz
[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>
Diffstat (limited to 'drivers/media/common/tuners')
-rw-r--r--drivers/media/common/tuners/tuner-xc2028.c27
1 files changed, 21 insertions, 6 deletions
diff --git a/drivers/media/common/tuners/tuner-xc2028.c b/drivers/media/common/tuners/tuner-xc2028.c
index 27555995f7e4..b5ee3ebfcfca 100644
--- a/drivers/media/common/tuners/tuner-xc2028.c
+++ b/drivers/media/common/tuners/tuner-xc2028.c
@@ -24,6 +24,21 @@
#include <linux/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;
module_param(debug, int, 0644);
@@ -885,7 +900,7 @@ static int xc2028_signal(struct dvb_frontend *fe, u16 *strength)
mutex_lock(&priv->lock);
/* Sync Lock Indicator */
- rc = xc2028_get_reg(priv, 0x0002, &frq_lock);
+ rc = xc2028_get_reg(priv, XREG_LOCK, &frq_lock);
if (rc < 0)
goto ret;
@@ -894,7 +909,7 @@ static int xc2028_signal(struct dvb_frontend *fe, u16 *strength)
signal = 1 << 11;
/* Get SNR of the video signal */
- rc = xc2028_get_reg(priv, 0x0040, &signal);
+ rc = xc2028_get_reg(priv, XREG_SNR, &signal);
if (rc < 0)
goto ret;
@@ -1019,9 +1034,9 @@ static int generic_set_freq(struct dvb_frontend *fe, u32 freq /* in HZ */,
/* CMD= Set frequency */
if (priv->firm_version < 0x0202)
- rc = send_seq(priv, {0x00, 0x02, 0x00, 0x00});
+ rc = send_seq(priv, {0x00, XREG_RF_FREQ, 0x00, 0x00});
else
- rc = send_seq(priv, {0x80, 0x02, 0x00, 0x00});
+ rc = send_seq(priv, {0x80, XREG_RF_FREQ, 0x00, 0x00});
if (rc < 0)
goto ret;
@@ -1201,9 +1216,9 @@ static int xc2028_sleep(struct dvb_frontend *fe)
mutex_lock(&priv->lock);
if (priv->firm_version < 0x0202)
- rc = send_seq(priv, {0x00, 0x08, 0x00, 0x00});
+ rc = send_seq(priv, {0x00, XREG_POWER_DOWN, 0x00, 0x00});
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 */