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path: root/drivers/media/video/mt20xx.c
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Diffstat (limited to 'drivers/media/video/mt20xx.c')
-rw-r--r--drivers/media/video/mt20xx.c80
1 files changed, 58 insertions, 22 deletions
diff --git a/drivers/media/video/mt20xx.c b/drivers/media/video/mt20xx.c
index c7c9f3f8715c..7549114aaaca 100644
--- a/drivers/media/video/mt20xx.c
+++ b/drivers/media/video/mt20xx.c
@@ -7,7 +7,7 @@
#include <linux/i2c.h>
#include <linux/videodev.h>
#include <linux/moduleparam.h>
-#include <media/tuner.h>
+#include "tuner-driver.h"
/* ---------------------------------------------------------------------- */
@@ -37,6 +37,19 @@ static char *microtune_part[] = {
[ MT2050 ] = "MT2050",
};
+struct microtune_priv {
+ unsigned int xogc;
+ unsigned int radio_if2;
+};
+
+static void microtune_release(struct i2c_client *c)
+{
+ struct tuner *t = i2c_get_clientdata(c);
+
+ kfree(t->priv);
+ t->priv = NULL;
+}
+
// IsSpurInBand()?
static int mt2032_spurcheck(struct i2c_client *c,
int f1, int f2, int spectrum_from,int spectrum_to)
@@ -218,6 +231,7 @@ static void mt2032_set_if_freq(struct i2c_client *c, unsigned int rfin,
unsigned char buf[21];
int lint_try,ret,sel,lock=0;
struct tuner *t = i2c_get_clientdata(c);
+ struct microtune_priv *priv = t->priv;
tuner_dbg("mt2032_set_if_freq rfin=%d if1=%d if2=%d from=%d to=%d\n",
rfin,if1,if2,from,to);
@@ -227,7 +241,7 @@ static void mt2032_set_if_freq(struct i2c_client *c, unsigned int rfin,
i2c_master_recv(c,buf,21);
buf[0]=0;
- ret=mt2032_compute_freq(c,rfin,if1,if2,from,to,&buf[1],&sel,t->xogc);
+ ret=mt2032_compute_freq(c,rfin,if1,if2,from,to,&buf[1],&sel,priv->xogc);
if (ret<0)
return;
@@ -251,10 +265,10 @@ static void mt2032_set_if_freq(struct i2c_client *c, unsigned int rfin,
tuner_dbg("mt2032: re-init PLLs by LINT\n");
buf[0]=7;
- buf[1]=0x80 +8+t->xogc; // set LINT to re-init PLLs
+ buf[1]=0x80 +8+priv->xogc; // set LINT to re-init PLLs
i2c_master_send(c,buf,2);
mdelay(10);
- buf[1]=8+t->xogc;
+ buf[1]=8+priv->xogc;
i2c_master_send(c,buf,2);
}
@@ -294,17 +308,25 @@ static void mt2032_set_tv_freq(struct i2c_client *c, unsigned int freq)
static void mt2032_set_radio_freq(struct i2c_client *c, unsigned int freq)
{
struct tuner *t = i2c_get_clientdata(c);
- int if2 = t->radio_if2;
+ struct microtune_priv *priv = t->priv;
+ int if2 = priv->radio_if2;
// per Manual for FM tuning: first if center freq. 1085 MHz
mt2032_set_if_freq(c, freq * 1000 / 16,
1085*1000*1000,if2,if2,if2);
}
+static struct tuner_operations mt2032_tuner_ops = {
+ .set_tv_freq = mt2032_set_tv_freq,
+ .set_radio_freq = mt2032_set_radio_freq,
+ .release = microtune_release,
+};
+
// Initalization as described in "MT203x Programming Procedures", Rev 1.2, Feb.2001
static int mt2032_init(struct i2c_client *c)
{
struct tuner *t = i2c_get_clientdata(c);
+ struct microtune_priv *priv = t->priv;
unsigned char buf[21];
int ret,xogc,xok=0;
@@ -351,23 +373,23 @@ static int mt2032_init(struct i2c_client *c)
if (ret!=2)
tuner_warn("i2c i/o error: rc == %d (should be 2)\n",ret);
} while (xok != 1 );
- t->xogc=xogc;
+ priv->xogc=xogc;
+
+ memcpy(&t->ops, &mt2032_tuner_ops, sizeof(struct tuner_operations));
- t->set_tv_freq = mt2032_set_tv_freq;
- t->set_radio_freq = mt2032_set_radio_freq;
return(1);
}
static void mt2050_set_antenna(struct i2c_client *c, unsigned char antenna)
{
struct tuner *t = i2c_get_clientdata(c);
- unsigned char buf[2];
- int ret;
+ unsigned char buf[2];
+ int ret;
- buf[0] = 6;
- buf[1] = antenna ? 0x11 : 0x10;
- ret=i2c_master_send(c,buf,2);
- tuner_dbg("mt2050: enabled antenna connector %d\n", antenna);
+ buf[0] = 6;
+ buf[1] = antenna ? 0x11 : 0x10;
+ ret=i2c_master_send(c,buf,2);
+ tuner_dbg("mt2050: enabled antenna connector %d\n", antenna);
}
static void mt2050_set_if_freq(struct i2c_client *c,unsigned int freq, unsigned int if2)
@@ -456,12 +478,19 @@ static void mt2050_set_tv_freq(struct i2c_client *c, unsigned int freq)
static void mt2050_set_radio_freq(struct i2c_client *c, unsigned int freq)
{
struct tuner *t = i2c_get_clientdata(c);
- int if2 = t->radio_if2;
+ struct microtune_priv *priv = t->priv;
+ int if2 = priv->radio_if2;
mt2050_set_if_freq(c, freq * 1000 / 16, if2);
mt2050_set_antenna(c, radio_antenna);
}
+static struct tuner_operations mt2050_tuner_ops = {
+ .set_tv_freq = mt2050_set_tv_freq,
+ .set_radio_freq = mt2050_set_radio_freq,
+ .release = microtune_release,
+};
+
static int mt2050_init(struct i2c_client *c)
{
struct tuner *t = i2c_get_clientdata(c);
@@ -481,28 +510,35 @@ static int mt2050_init(struct i2c_client *c)
i2c_master_recv(c,buf,1);
tuner_dbg("mt2050: sro is %x\n",buf[0]);
- t->set_tv_freq = mt2050_set_tv_freq;
- t->set_radio_freq = mt2050_set_radio_freq;
+
+ memcpy(&t->ops, &mt2050_tuner_ops, sizeof(struct tuner_operations));
+
return 0;
}
int microtune_init(struct i2c_client *c)
{
+ struct microtune_priv *priv = NULL;
struct tuner *t = i2c_get_clientdata(c);
char *name;
unsigned char buf[21];
int company_code;
+ priv = kzalloc(sizeof(struct microtune_priv), GFP_KERNEL);
+ if (priv == NULL)
+ return -ENOMEM;
+ t->priv = priv;
+
+ priv->radio_if2 = 10700 * 1000; /* 10.7MHz - FM radio */
+
memset(buf,0,sizeof(buf));
- t->set_tv_freq = NULL;
- t->set_radio_freq = NULL;
- t->standby = NULL;
+
if (t->std & V4L2_STD_525_60) {
tuner_dbg("pinnacle ntsc\n");
- t->radio_if2 = 41300 * 1000;
+ priv->radio_if2 = 41300 * 1000;
} else {
tuner_dbg("pinnacle pal\n");
- t->radio_if2 = 33300 * 1000;
+ priv->radio_if2 = 33300 * 1000;
}
name = "unknown";
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