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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.c311
1 files changed, 197 insertions, 114 deletions
diff --git a/drivers/media/video/mt20xx.c b/drivers/media/video/mt20xx.c
index 7549114aaaca..f49d1f4c40db 100644
--- a/drivers/media/video/mt20xx.c
+++ b/drivers/media/video/mt20xx.c
@@ -1,13 +1,20 @@
/*
- *
* i2c tv tuner chip device driver
* controls microtune tuners, mt2032 + mt2050 at the moment.
+ *
+ * This "mt20xx" module was split apart from the original "tuner" module.
*/
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/videodev.h>
-#include <linux/moduleparam.h>
-#include "tuner-driver.h"
+#include "tuner-i2c.h"
+#include "mt20xx.h"
+
+static int debug = 0;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "enable verbose debug messages");
+
+#define PREFIX "mt20xx "
/* ---------------------------------------------------------------------- */
@@ -20,9 +27,6 @@ module_param(tv_antenna, int, 0644);
static unsigned int radio_antenna = 0;
module_param(radio_antenna, int, 0644);
-/* from tuner-core.c */
-extern int tuner_debug;
-
/* ---------------------------------------------------------------------- */
#define MT2032 0x04
@@ -38,23 +42,34 @@ static char *microtune_part[] = {
};
struct microtune_priv {
+ struct tuner_i2c_props i2c_props;
+
unsigned int xogc;
- unsigned int radio_if2;
+ //unsigned int radio_if2;
+
+ u32 frequency;
};
-static void microtune_release(struct i2c_client *c)
+static int microtune_release(struct dvb_frontend *fe)
{
- struct tuner *t = i2c_get_clientdata(c);
+ kfree(fe->tuner_priv);
+ fe->tuner_priv = NULL;
- kfree(t->priv);
- t->priv = NULL;
+ return 0;
+}
+
+static int microtune_get_frequency(struct dvb_frontend *fe, u32 *frequency)
+{
+ struct microtune_priv *priv = fe->tuner_priv;
+ *frequency = priv->frequency;
+ return 0;
}
// IsSpurInBand()?
-static int mt2032_spurcheck(struct i2c_client *c,
+static int mt2032_spurcheck(struct dvb_frontend *fe,
int f1, int f2, int spectrum_from,int spectrum_to)
{
- struct tuner *t = i2c_get_clientdata(c);
+ struct microtune_priv *priv = fe->tuner_priv;
int n1=1,n2,f;
f1=f1/1000; //scale to kHz to avoid 32bit overflows
@@ -82,7 +97,7 @@ static int mt2032_spurcheck(struct i2c_client *c,
return 1;
}
-static int mt2032_compute_freq(struct i2c_client *c,
+static int mt2032_compute_freq(struct dvb_frontend *fe,
unsigned int rfin,
unsigned int if1, unsigned int if2,
unsigned int spectrum_from,
@@ -91,7 +106,7 @@ static int mt2032_compute_freq(struct i2c_client *c,
int *ret_sel,
unsigned int xogc) //all in Hz
{
- struct tuner *t = i2c_get_clientdata(c);
+ struct microtune_priv *priv = fe->tuner_priv;
unsigned int fref,lo1,lo1n,lo1a,s,sel,lo1freq, desired_lo1,
desired_lo2,lo2,lo2n,lo2a,lo2num,lo2freq;
@@ -141,7 +156,7 @@ static int mt2032_compute_freq(struct i2c_client *c,
return(-1);
}
- mt2032_spurcheck(c, lo1freq, desired_lo2, spectrum_from, spectrum_to);
+ mt2032_spurcheck(fe, lo1freq, desired_lo2, spectrum_from, spectrum_to);
// should recalculate lo1 (one step up/down)
// set up MT2032 register map for transfer over i2c
@@ -165,16 +180,16 @@ static int mt2032_compute_freq(struct i2c_client *c,
return 0;
}
-static int mt2032_check_lo_lock(struct i2c_client *c)
+static int mt2032_check_lo_lock(struct dvb_frontend *fe)
{
- struct tuner *t = i2c_get_clientdata(c);
+ struct microtune_priv *priv = fe->tuner_priv;
int try,lock=0;
unsigned char buf[2];
for(try=0;try<10;try++) {
buf[0]=0x0e;
- i2c_master_send(c,buf,1);
- i2c_master_recv(c,buf,1);
+ tuner_i2c_xfer_send(&priv->i2c_props,buf,1);
+ tuner_i2c_xfer_recv(&priv->i2c_props,buf,1);
tuner_dbg("mt2032 Reg.E=0x%02x\n",buf[0]);
lock=buf[0] &0x06;
@@ -187,15 +202,15 @@ static int mt2032_check_lo_lock(struct i2c_client *c)
return lock;
}
-static int mt2032_optimize_vco(struct i2c_client *c,int sel,int lock)
+static int mt2032_optimize_vco(struct dvb_frontend *fe,int sel,int lock)
{
- struct tuner *t = i2c_get_clientdata(c);
+ struct microtune_priv *priv = fe->tuner_priv;
unsigned char buf[2];
int tad1;
buf[0]=0x0f;
- i2c_master_send(c,buf,1);
- i2c_master_recv(c,buf,1);
+ tuner_i2c_xfer_send(&priv->i2c_props,buf,1);
+ tuner_i2c_xfer_recv(&priv->i2c_props,buf,1);
tuner_dbg("mt2032 Reg.F=0x%02x\n",buf[0]);
tad1=buf[0]&0x07;
@@ -218,58 +233,57 @@ static int mt2032_optimize_vco(struct i2c_client *c,int sel,int lock)
buf[0]=0x0f;
buf[1]=sel;
- i2c_master_send(c,buf,2);
- lock=mt2032_check_lo_lock(c);
+ tuner_i2c_xfer_send(&priv->i2c_props,buf,2);
+ lock=mt2032_check_lo_lock(fe);
return lock;
}
-static void mt2032_set_if_freq(struct i2c_client *c, unsigned int rfin,
+static void mt2032_set_if_freq(struct dvb_frontend *fe, unsigned int rfin,
unsigned int if1, unsigned int if2,
unsigned int from, unsigned int to)
{
unsigned char buf[21];
int lint_try,ret,sel,lock=0;
- struct tuner *t = i2c_get_clientdata(c);
- struct microtune_priv *priv = t->priv;
+ struct microtune_priv *priv = fe->tuner_priv;
tuner_dbg("mt2032_set_if_freq rfin=%d if1=%d if2=%d from=%d to=%d\n",
rfin,if1,if2,from,to);
buf[0]=0;
- ret=i2c_master_send(c,buf,1);
- i2c_master_recv(c,buf,21);
+ ret=tuner_i2c_xfer_send(&priv->i2c_props,buf,1);
+ tuner_i2c_xfer_recv(&priv->i2c_props,buf,21);
buf[0]=0;
- ret=mt2032_compute_freq(c,rfin,if1,if2,from,to,&buf[1],&sel,priv->xogc);
+ ret=mt2032_compute_freq(fe,rfin,if1,if2,from,to,&buf[1],&sel,priv->xogc);
if (ret<0)
return;
// send only the relevant registers per Rev. 1.2
buf[0]=0;
- ret=i2c_master_send(c,buf,4);
+ ret=tuner_i2c_xfer_send(&priv->i2c_props,buf,4);
buf[5]=5;
- ret=i2c_master_send(c,buf+5,4);
+ ret=tuner_i2c_xfer_send(&priv->i2c_props,buf+5,4);
buf[11]=11;
- ret=i2c_master_send(c,buf+11,3);
+ ret=tuner_i2c_xfer_send(&priv->i2c_props,buf+11,3);
if(ret!=3)
tuner_warn("i2c i/o error: rc == %d (should be 3)\n",ret);
// wait for PLLs to lock (per manual), retry LINT if not.
for(lint_try=0; lint_try<2; lint_try++) {
- lock=mt2032_check_lo_lock(c);
+ lock=mt2032_check_lo_lock(fe);
if(optimize_vco)
- lock=mt2032_optimize_vco(c,sel,lock);
+ lock=mt2032_optimize_vco(fe,sel,lock);
if(lock==6) break;
tuner_dbg("mt2032: re-init PLLs by LINT\n");
buf[0]=7;
buf[1]=0x80 +8+priv->xogc; // set LINT to re-init PLLs
- i2c_master_send(c,buf,2);
+ tuner_i2c_xfer_send(&priv->i2c_props,buf,2);
mdelay(10);
buf[1]=8+priv->xogc;
- i2c_master_send(c,buf,2);
+ tuner_i2c_xfer_send(&priv->i2c_props,buf,2);
}
if (lock!=6)
@@ -277,19 +291,19 @@ static void mt2032_set_if_freq(struct i2c_client *c, unsigned int rfin,
buf[0]=2;
buf[1]=0x20; // LOGC for optimal phase noise
- ret=i2c_master_send(c,buf,2);
+ ret=tuner_i2c_xfer_send(&priv->i2c_props,buf,2);
if (ret!=2)
tuner_warn("i2c i/o error: rc == %d (should be 2)\n",ret);
}
-static void mt2032_set_tv_freq(struct i2c_client *c, unsigned int freq)
+static int mt2032_set_tv_freq(struct dvb_frontend *fe,
+ struct analog_parameters *params)
{
- struct tuner *t = i2c_get_clientdata(c);
int if2,from,to;
// signal bandwidth and picture carrier
- if (t->std & V4L2_STD_525_60) {
+ if (params->std & V4L2_STD_525_60) {
// NTSC
from = 40750*1000;
to = 46750*1000;
@@ -301,32 +315,64 @@ static void mt2032_set_tv_freq(struct i2c_client *c, unsigned int freq)
if2 = 38900*1000;
}
- mt2032_set_if_freq(c, freq*62500 /* freq*1000*1000/16 */,
+ mt2032_set_if_freq(fe, params->frequency*62500,
1090*1000*1000, if2, from, to);
+
+ return 0;
}
-static void mt2032_set_radio_freq(struct i2c_client *c, unsigned int freq)
+static int mt2032_set_radio_freq(struct dvb_frontend *fe,
+ struct analog_parameters *params)
{
- struct tuner *t = i2c_get_clientdata(c);
- struct microtune_priv *priv = t->priv;
- int if2 = priv->radio_if2;
+ struct microtune_priv *priv = fe->tuner_priv;
+ int if2;
+
+ if (params->std & V4L2_STD_525_60) {
+ tuner_dbg("pinnacle ntsc\n");
+ if2 = 41300 * 1000;
+ } else {
+ tuner_dbg("pinnacle pal\n");
+ if2 = 33300 * 1000;
+ }
// 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);
+ mt2032_set_if_freq(fe, params->frequency * 125 / 2,
+ 1085*1000*1000,if2,if2,if2);
+
+ return 0;
+}
+
+static int mt2032_set_params(struct dvb_frontend *fe,
+ struct analog_parameters *params)
+{
+ struct microtune_priv *priv = fe->tuner_priv;
+ int ret = -EINVAL;
+
+ switch (params->mode) {
+ case V4L2_TUNER_RADIO:
+ ret = mt2032_set_radio_freq(fe, params);
+ priv->frequency = params->frequency * 125 / 2;
+ break;
+ case V4L2_TUNER_ANALOG_TV:
+ case V4L2_TUNER_DIGITAL_TV:
+ ret = mt2032_set_tv_freq(fe, params);
+ priv->frequency = params->frequency * 62500;
+ break;
+ }
+
+ return ret;
}
-static struct tuner_operations mt2032_tuner_ops = {
- .set_tv_freq = mt2032_set_tv_freq,
- .set_radio_freq = mt2032_set_radio_freq,
- .release = microtune_release,
+static struct dvb_tuner_ops mt2032_tuner_ops = {
+ .set_analog_params = mt2032_set_params,
+ .release = microtune_release,
+ .get_frequency = microtune_get_frequency,
};
// Initalization as described in "MT203x Programming Procedures", Rev 1.2, Feb.2001
-static int mt2032_init(struct i2c_client *c)
+static int mt2032_init(struct dvb_frontend *fe)
{
- struct tuner *t = i2c_get_clientdata(c);
- struct microtune_priv *priv = t->priv;
+ struct microtune_priv *priv = fe->tuner_priv;
unsigned char buf[21];
int ret,xogc,xok=0;
@@ -335,7 +381,7 @@ static int mt2032_init(struct i2c_client *c)
buf[2]=0xff;
buf[3]=0x0f;
buf[4]=0x1f;
- ret=i2c_master_send(c,buf+1,4);
+ ret=tuner_i2c_xfer_send(&priv->i2c_props,buf+1,4);
buf[5]=6; // Index register 6
buf[6]=0xe4;
@@ -343,11 +389,11 @@ static int mt2032_init(struct i2c_client *c)
buf[8]=0xc3;
buf[9]=0x4e;
buf[10]=0xec;
- ret=i2c_master_send(c,buf+5,6);
+ ret=tuner_i2c_xfer_send(&priv->i2c_props,buf+5,6);
buf[12]=13; // Index register 13
buf[13]=0x32;
- ret=i2c_master_send(c,buf+12,2);
+ ret=tuner_i2c_xfer_send(&priv->i2c_props,buf+12,2);
// Adjust XOGC (register 7), wait for XOK
xogc=7;
@@ -355,8 +401,8 @@ static int mt2032_init(struct i2c_client *c)
tuner_dbg("mt2032: xogc = 0x%02x\n",xogc&0x07);
mdelay(10);
buf[0]=0x0e;
- i2c_master_send(c,buf,1);
- i2c_master_recv(c,buf,1);
+ tuner_i2c_xfer_send(&priv->i2c_props,buf,1);
+ tuner_i2c_xfer_recv(&priv->i2c_props,buf,1);
xok=buf[0]&0x01;
tuner_dbg("mt2032: xok = 0x%02x\n",xok);
if (xok == 1) break;
@@ -369,32 +415,32 @@ static int mt2032_init(struct i2c_client *c)
}
buf[0]=0x07;
buf[1]=0x88 + xogc;
- ret=i2c_master_send(c,buf,2);
+ ret=tuner_i2c_xfer_send(&priv->i2c_props,buf,2);
if (ret!=2)
tuner_warn("i2c i/o error: rc == %d (should be 2)\n",ret);
} while (xok != 1 );
priv->xogc=xogc;
- memcpy(&t->ops, &mt2032_tuner_ops, sizeof(struct tuner_operations));
+ memcpy(&fe->ops.tuner_ops, &mt2032_tuner_ops, sizeof(struct dvb_tuner_ops));
return(1);
}
-static void mt2050_set_antenna(struct i2c_client *c, unsigned char antenna)
+static void mt2050_set_antenna(struct dvb_frontend *fe, unsigned char antenna)
{
- struct tuner *t = i2c_get_clientdata(c);
+ struct microtune_priv *priv = fe->tuner_priv;
unsigned char buf[2];
int ret;
buf[0] = 6;
buf[1] = antenna ? 0x11 : 0x10;
- ret=i2c_master_send(c,buf,2);
+ ret=tuner_i2c_xfer_send(&priv->i2c_props,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)
+static void mt2050_set_if_freq(struct dvb_frontend *fe,unsigned int freq, unsigned int if2)
{
- struct tuner *t = i2c_get_clientdata(c);
+ struct microtune_priv *priv = fe->tuner_priv;
unsigned int if1=1218*1000*1000;
unsigned int f_lo1,f_lo2,lo1,lo2,f_lo1_modulo,f_lo2_modulo,num1,num2,div1a,div1b,div2a,div2b;
int ret;
@@ -426,7 +472,7 @@ static void mt2050_set_if_freq(struct i2c_client *c,unsigned int freq, unsigned
div2a=(lo2/8)-1;
div2b=lo2-(div2a+1)*8;
- if (tuner_debug > 1) {
+ if (debug > 1) {
tuner_dbg("lo1 lo2 = %d %d\n", lo1, lo2);
tuner_dbg("num1 num2 div1a div1b div2a div2b= %x %x %x %x %x %x\n",
num1,num2,div1a,div1b,div2a,div2b);
@@ -442,7 +488,7 @@ static void mt2050_set_if_freq(struct i2c_client *c,unsigned int freq, unsigned
buf[5]=div2a;
if(num2!=0) buf[5]=buf[5]|0x40;
- if (tuner_debug > 1) {
+ if (debug > 1) {
int i;
tuner_dbg("bufs is: ");
for(i=0;i<6;i++)
@@ -450,101 +496,131 @@ static void mt2050_set_if_freq(struct i2c_client *c,unsigned int freq, unsigned
printk("\n");
}
- ret=i2c_master_send(c,buf,6);
+ ret=tuner_i2c_xfer_send(&priv->i2c_props,buf,6);
if (ret!=6)
tuner_warn("i2c i/o error: rc == %d (should be 6)\n",ret);
}
-static void mt2050_set_tv_freq(struct i2c_client *c, unsigned int freq)
+static int mt2050_set_tv_freq(struct dvb_frontend *fe,
+ struct analog_parameters *params)
{
- struct tuner *t = i2c_get_clientdata(c);
unsigned int if2;
- if (t->std & V4L2_STD_525_60) {
+ if (params->std & V4L2_STD_525_60) {
// NTSC
if2 = 45750*1000;
} else {
// PAL
if2 = 38900*1000;
}
- if (V4L2_TUNER_DIGITAL_TV == t->mode) {
+ if (V4L2_TUNER_DIGITAL_TV == params->mode) {
// DVB (pinnacle 300i)
if2 = 36150*1000;
}
- mt2050_set_if_freq(c, freq*62500, if2);
- mt2050_set_antenna(c, tv_antenna);
+ mt2050_set_if_freq(fe, params->frequency*62500, if2);
+ mt2050_set_antenna(fe, tv_antenna);
+
+ return 0;
}
-static void mt2050_set_radio_freq(struct i2c_client *c, unsigned int freq)
+static int mt2050_set_radio_freq(struct dvb_frontend *fe,
+ struct analog_parameters *params)
{
- struct tuner *t = i2c_get_clientdata(c);
- struct microtune_priv *priv = t->priv;
- int if2 = priv->radio_if2;
+ struct microtune_priv *priv = fe->tuner_priv;
+ int if2;
+
+ if (params->std & V4L2_STD_525_60) {
+ tuner_dbg("pinnacle ntsc\n");
+ if2 = 41300 * 1000;
+ } else {
+ tuner_dbg("pinnacle pal\n");
+ if2 = 33300 * 1000;
+ }
- mt2050_set_if_freq(c, freq * 1000 / 16, if2);
- mt2050_set_antenna(c, radio_antenna);
+ mt2050_set_if_freq(fe, params->frequency * 125 / 2, if2);
+ mt2050_set_antenna(fe, radio_antenna);
+
+ return 0;
}
-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_set_params(struct dvb_frontend *fe,
+ struct analog_parameters *params)
+{
+ struct microtune_priv *priv = fe->tuner_priv;
+ int ret = -EINVAL;
+
+ switch (params->mode) {
+ case V4L2_TUNER_RADIO:
+ ret = mt2050_set_radio_freq(fe, params);
+ priv->frequency = params->frequency * 125 / 2;
+ break;
+ case V4L2_TUNER_ANALOG_TV:
+ case V4L2_TUNER_DIGITAL_TV:
+ ret = mt2050_set_tv_freq(fe, params);
+ priv->frequency = params->frequency * 62500;
+ break;
+ }
+
+ return ret;
+}
+
+static struct dvb_tuner_ops mt2050_tuner_ops = {
+ .set_analog_params = mt2050_set_params,
+ .release = microtune_release,
+ .get_frequency = microtune_get_frequency,
};
-static int mt2050_init(struct i2c_client *c)
+static int mt2050_init(struct dvb_frontend *fe)
{
- struct tuner *t = i2c_get_clientdata(c);
+ struct microtune_priv *priv = fe->tuner_priv;
unsigned char buf[2];
int ret;
buf[0]=6;
buf[1]=0x10;
- ret=i2c_master_send(c,buf,2); // power
+ ret=tuner_i2c_xfer_send(&priv->i2c_props,buf,2); // power
buf[0]=0x0f;
buf[1]=0x0f;
- ret=i2c_master_send(c,buf,2); // m1lo
+ ret=tuner_i2c_xfer_send(&priv->i2c_props,buf,2); // m1lo
buf[0]=0x0d;
- ret=i2c_master_send(c,buf,1);
- i2c_master_recv(c,buf,1);
+ ret=tuner_i2c_xfer_send(&priv->i2c_props,buf,1);
+ tuner_i2c_xfer_recv(&priv->i2c_props,buf,1);
tuner_dbg("mt2050: sro is %x\n",buf[0]);
- memcpy(&t->ops, &mt2050_tuner_ops, sizeof(struct tuner_operations));
+ memcpy(&fe->ops.tuner_ops, &mt2050_tuner_ops, sizeof(struct dvb_tuner_ops));
return 0;
}
-int microtune_init(struct i2c_client *c)
+struct dvb_frontend *microtune_attach(struct dvb_frontend *fe,
+ struct i2c_adapter* i2c_adap,
+ u8 i2c_addr)
{
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;
+ return NULL;
+ fe->tuner_priv = priv;
+
+ priv->i2c_props.addr = i2c_addr;
+ priv->i2c_props.adap = i2c_adap;
- priv->radio_if2 = 10700 * 1000; /* 10.7MHz - FM radio */
+ //priv->radio_if2 = 10700 * 1000; /* 10.7MHz - FM radio */
memset(buf,0,sizeof(buf));
- if (t->std & V4L2_STD_525_60) {
- tuner_dbg("pinnacle ntsc\n");
- priv->radio_if2 = 41300 * 1000;
- } else {
- tuner_dbg("pinnacle pal\n");
- priv->radio_if2 = 33300 * 1000;
- }
name = "unknown";
- i2c_master_send(c,buf,1);
- i2c_master_recv(c,buf,21);
- if (tuner_debug) {
+ tuner_i2c_xfer_send(&priv->i2c_props,buf,1);
+ tuner_i2c_xfer_recv(&priv->i2c_props,buf,21);
+ if (debug) {
int i;
tuner_dbg("MT20xx hexdump:");
for(i=0;i<21;i++) {
@@ -563,10 +639,10 @@ int microtune_init(struct i2c_client *c)
name = microtune_part[buf[0x13]];
switch (buf[0x13]) {
case MT2032:
- mt2032_init(c);
+ mt2032_init(fe);
break;
case MT2050:
- mt2050_init(c);
+ mt2050_init(fe);
break;
default:
tuner_info("microtune %s found, not (yet?) supported, sorry :-/\n",
@@ -574,11 +650,18 @@ int microtune_init(struct i2c_client *c)
return 0;
}
- strlcpy(c->name, name, sizeof(c->name));
+ strlcpy(fe->ops.tuner_ops.info.name, name,
+ sizeof(fe->ops.tuner_ops.info.name));
tuner_info("microtune %s found, OK\n",name);
- return 0;
+ return fe;
}
+EXPORT_SYMBOL_GPL(microtune_attach);
+
+MODULE_DESCRIPTION("Microtune tuner driver");
+MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer");
+MODULE_LICENSE("GPL");
+
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* ---------------------------------------------------------------------------
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.