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Commit 91eaefcf authored by Andrew Morton's avatar Andrew Morton Committed by Linus Torvalds
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[PATCH] v4l: tuner update 

From: Gerd Knorr <kraxel@bytesex.org>

This is a i2c tuner module update.  Changes:

* adds support for more tunes (mt2050, atsc, ...)

* some reorganization, uses function pointers to branch to different
  functions for different tuner types.
parent 355cf16f
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Showing with 381 additions and 162 deletions
drivers/media/video/tuner.c
View file @ 91eaefcf
......@@ -45,18 +45,21 @@ MODULE_LICENSE("GPL");
static int this_adap;
#define dprintk if (debug) printk
struct tuner
{
struct tuner {
unsigned int type; /* chip type */
unsigned int freq; /* keep track of the current settings */
unsigned int std;
unsigned int radio;
unsigned int mode; /* current norm for multi-norm tuners */
unsigned int input;
// only for MT2032
unsigned int xogc;
unsigned int radio_if2;
void (*tv_freq)(struct i2c_client *c, unsigned int freq);
void (*radio_freq)(struct i2c_client *c, unsigned int freq);
};
static struct i2c_driver driver;
......@@ -207,7 +210,7 @@ static struct tunertype tuners[] = {
{ "Samsung PAL TCPM9091PD27", Samsung, PAL, /* from sourceforge v3tv */
16*169,16*464,0xA0,0x90,0x30,0x8e,623},
{ "MT2032 universal", Microtune,PAL|NTSC,
{ "MT20xx universal", Microtune,PAL|NTSC,
0,0,0,0,0,0,0},
{ "Temic PAL_BG (4106 FH5)", TEMIC, PAL,
16*141.00, 16*464.00, 0xa0,0x90,0x30,0x8e,623},
......@@ -225,6 +228,12 @@ static struct tunertype tuners[] = {
{ "HITACHI V7-J180AT", HITACHI, NTSC,
16*170.00, 16*450.00, 0x01,0x02,0x00,0x8e,940 },
{ "Philips PAL_MK (FI1216 MK)", Philips, PAL,
16*140.25,16*463.25,0x01,0xc2,0xcf,0x8e,623},
{ "Philips 1236D ATSC/NTSC daul in",Philips,ATSC,
16*157.25,16*454.00,0xa0,0x90,0x30,0x8e,732},
{ "Philips NTSC MK3 (FM1236MK3 or FM1236/F)", Philips, NTSC,
16*160.00,16*442.00,0x01,0x02,0x04,0x8,732},
};
#define TUNERS ARRAY_SIZE(tuners)
......@@ -279,86 +288,19 @@ static int tuner_mode (struct i2c_client *c)
}
#endif
// Initalization as described in "MT203x Programming Procedures", Rev 1.2, Feb.2001
static int mt2032_init(struct i2c_client *c)
{
unsigned char buf[21];
int ret,xogc,xok=0;
struct tuner *t = i2c_get_clientdata(c);
buf[0]=0;
ret=i2c_master_send(c,buf,1);
i2c_master_recv(c,buf,21);
printk("MT2032: Companycode=%02x%02x Part=%02x Revision=%02x\n",
buf[0x11],buf[0x12],buf[0x13],buf[0x14]);
if(debug) {
int i;
printk("MT2032 hexdump:\n");
for(i=0;i<21;i++) {
printk(" %02x",buf[i]);
if(((i+1)%8)==0) printk(" ");
if(((i+1)%16)==0) printk("\n ");
}
printk("\n ");
}
// Look for MT2032 id:
// part= 0x04(MT2032), 0x06(MT2030), 0x07(MT2040)
if((buf[0x11] != 0x4d) || (buf[0x12] != 0x54) || (buf[0x13] != 0x04)) {
printk("not a MT2032.\n");
return 0;
}
// Initialize Registers per spec.
buf[1]=2; // Index to register 2
buf[2]=0xff;
buf[3]=0x0f;
buf[4]=0x1f;
ret=i2c_master_send(c,buf+1,4);
buf[5]=6; // Index register 6
buf[6]=0xe4;
buf[7]=0x8f;
buf[8]=0xc3;
buf[9]=0x4e;
buf[10]=0xec;
ret=i2c_master_send(c,buf+5,6);
buf[12]=13; // Index register 13
buf[13]=0x32;
ret=i2c_master_send(c,buf+12,2);
// Adjust XOGC (register 7), wait for XOK
xogc=7;
do {
dprintk("mt2032: xogc = 0x%02x\n",xogc&0x07);
mdelay(10);
buf[0]=0x0e;
i2c_master_send(c,buf,1);
i2c_master_recv(c,buf,1);
xok=buf[0]&0x01;
dprintk("mt2032: xok = 0x%02x\n",xok);
if (xok == 1) break;
xogc--;
dprintk("mt2032: xogc = 0x%02x\n",xogc&0x07);
if (xogc == 3) {
xogc=4; // min. 4 per spec
break;
}
buf[0]=0x07;
buf[1]=0x88 + xogc;
ret=i2c_master_send(c,buf,2);
if (ret!=2)
printk("mt2032_init failed with %d\n",ret);
} while (xok != 1 );
t->xogc=xogc;
/* ---------------------------------------------------------------------- */
return(1);
}
#define MT2032 0x04
#define MT2030 0x06
#define MT2040 0x07
#define MT2050 0x42
static char *microtune_part[] = {
[ MT2030 ] = "MT2030",
[ MT2032 ] = "MT2032",
[ MT2040 ] = "MT2040",
[ MT2050 ] = "MT2050",
};
// IsSpurInBand()?
static int mt2032_spurcheck(int f1, int f2, int spectrum_from,int spectrum_to)
......@@ -583,13 +525,13 @@ static void mt2032_set_if_freq(struct i2c_client *c, unsigned int rfin,
}
static void mt2032_set_tv_freq(struct i2c_client *c,
unsigned int freq, unsigned int norm)
static void mt2032_set_tv_freq(struct i2c_client *c, unsigned int freq)
{
struct tuner *t = i2c_get_clientdata(c);
int if2,from,to;
// signal bandwidth and picture carrier
if (norm==VIDEO_MODE_NTSC) {
if (t->mode == VIDEO_MODE_NTSC) {
from=40750*1000;
to=46750*1000;
if2=45750*1000;
......@@ -604,35 +546,247 @@ static void mt2032_set_tv_freq(struct i2c_client *c,
1090*1000*1000, if2, from, to);
}
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;
// Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz
static void set_tv_freq(struct i2c_client *c, unsigned int freq)
// per Manual for FM tuning: first if center freq. 1085 MHz
mt2032_set_if_freq(c, freq*62500 /* freq*1000*1000/16 */,
1085*1000*1000,if2,if2,if2);
}
// Initalization as described in "MT203x Programming Procedures", Rev 1.2, Feb.2001
static int mt2032_init(struct i2c_client *c)
{
u8 config;
u16 div;
struct tunertype *tun;
struct tuner *t = i2c_get_clientdata(c);
unsigned char buffer[4];
int rc;
unsigned char buf[21];
int ret,xogc,xok=0;
if (t->type == UNSET) {
printk("tuner: tuner type not set\n");
return;
// Initialize Registers per spec.
buf[1]=2; // Index to register 2
buf[2]=0xff;
buf[3]=0x0f;
buf[4]=0x1f;
ret=i2c_master_send(c,buf+1,4);
buf[5]=6; // Index register 6
buf[6]=0xe4;
buf[7]=0x8f;
buf[8]=0xc3;
buf[9]=0x4e;
buf[10]=0xec;
ret=i2c_master_send(c,buf+5,6);
buf[12]=13; // Index register 13
buf[13]=0x32;
ret=i2c_master_send(c,buf+12,2);
// Adjust XOGC (register 7), wait for XOK
xogc=7;
do {
dprintk("mt2032: xogc = 0x%02x\n",xogc&0x07);
mdelay(10);
buf[0]=0x0e;
i2c_master_send(c,buf,1);
i2c_master_recv(c,buf,1);
xok=buf[0]&0x01;
dprintk("mt2032: xok = 0x%02x\n",xok);
if (xok == 1) break;
xogc--;
dprintk("mt2032: xogc = 0x%02x\n",xogc&0x07);
if (xogc == 3) {
xogc=4; // min. 4 per spec
break;
}
if (t->type == TUNER_MT2032) {
mt2032_set_tv_freq(c,freq,t->mode);
return;
buf[0]=0x07;
buf[1]=0x88 + xogc;
ret=i2c_master_send(c,buf,2);
if (ret!=2)
printk("mt2032_init failed with %d\n",ret);
} while (xok != 1 );
t->xogc=xogc;
t->tv_freq = mt2032_set_tv_freq;
t->radio_freq = mt2032_set_radio_freq;
return(1);
}
static void mt2050_set_if_freq(struct i2c_client *c,unsigned int freq, unsigned int if2)
{
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;
unsigned char buf[6];
dprintk("mt2050_set_if_freq freq=%d\n",freq);
f_lo1=freq+if1;
f_lo1=(f_lo1/1000000)*1000000;
f_lo2=f_lo1-freq-if2;
f_lo2=(f_lo2/50000)*50000;
lo1=f_lo1/4000000;
lo2=f_lo2/4000000;
f_lo1_modulo= f_lo1-(lo1*4000000);
f_lo2_modulo= f_lo2-(lo2*4000000);
num1=4*f_lo1_modulo/4000000;
num2=4096*(f_lo2_modulo/1000)/4000;
// todo spurchecks
div1a=(lo1/12)-1;
div1b=lo1-(div1a+1)*12;
div2a=(lo2/8)-1;
div2b=lo2-(div2a+1)*8;
dprintk("lo1 lo2 = %d %d\n", lo1, lo2);
dprintk("num1 num2 div1a div1b div2a div2b= %x %x %x %x %x %x\n",num1,num2,div1a,div1b,div2a,div2b);
buf[0]=1;
buf[1]= 4*div1b + num1;
if(freq<275*1000*1000) buf[1] = buf[1]|0x80;
buf[2]=div1a;
buf[3]=32*div2b + num2/256;
buf[4]=num2-(num2/256)*256;
buf[5]=div2a;
if(num2!=0) buf[5]=buf[5]|0x40;
if(debug) {
int i;
printk("bufs is: ");
for(i=0;i<6;i++)
printk("%x ",buf[i]);
printk("\n");
}
if (freq < tv_range[0]*16 || freq > tv_range[1]*16) {
/* FIXME: better do that chip-specific, but
right now we don't have that in the config
struct and this way is still better than no
check at all */
printk("tuner: TV freq (%d.%02d) out of range (%d-%d)\n",
freq/16,freq%16*100/16,tv_range[0],tv_range[1]);
return;
ret=i2c_master_send(c,buf,6);
if (ret!=6)
printk("mt2050_set_if_freq failed with %d\n",ret);
}
static void mt2050_set_tv_freq(struct i2c_client *c, unsigned int freq)
{
struct tuner *t = i2c_get_clientdata(c);
unsigned int if2;
if (t->mode == VIDEO_MODE_NTSC) {
if2=45750*1000;
} else {
// Pal
if2=38900*1000;
}
mt2050_set_if_freq(c,freq*62500,if2);
}
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;
mt2050_set_if_freq(c, freq*62500, if2);
}
static int mt2050_init(struct i2c_client *c)
{
struct tuner *t = i2c_get_clientdata(c);
unsigned char buf[2];
int ret;
buf[0]=6;
buf[1]=0x10;
ret=i2c_master_send(c,buf,2); // power
buf[0]=0x0f;
buf[1]=0x0f;
ret=i2c_master_send(c,buf,2); // m1lo
buf[0]=0x0d;
ret=i2c_master_send(c,buf,1);
i2c_master_recv(c,buf,1);
dprintk("mt2050: sro is %x\n",buf[0]);
t->tv_freq = mt2050_set_tv_freq;
t->radio_freq = mt2050_set_radio_freq;
return 0;
}
static int microtune_init(struct i2c_client *c)
{
struct tuner *t = i2c_get_clientdata(c);
char *name;
unsigned char buf[21];
int company_code;
buf[0] = 0;
t->tv_freq = NULL;
t->radio_freq = NULL;
name = "unknown";
i2c_master_send(c,buf,1);
i2c_master_recv(c,buf,21);
if(debug) {
int i;
printk(KERN_DEBUG "tuner: MT2032 hexdump:\n");
for(i=0;i<21;i++) {
printk(" %02x",buf[i]);
if(((i+1)%8)==0) printk(" ");
if(((i+1)%16)==0) printk("\n ");
}
printk("\n ");
}
company_code = buf[0x11] << 8 | buf[0x12];
printk("tuner: microtune: companycode=%04x part=%02x rev=%02x\n",
company_code,buf[0x13],buf[0x14]);
switch (company_code) {
case 0x3cbf:
case 0x3dbf:
case 0x4d54:
case 0x8e81:
case 0x8e91:
/* ok (?) */
break;
default:
printk("tuner: microtune: unknown companycode\n");
return 0;
}
if (buf[0x13] < ARRAY_SIZE(microtune_part) &&
NULL != microtune_part[buf[0x13]])
name = microtune_part[buf[0x13]];
switch (buf[0x13]) {
case MT2032:
mt2032_init(c);
break;
case MT2050:
mt2050_init(c);
break;
default:
printk("tuner: microtune %s found, not (yet?) supported, sorry :-/\n",
name);
return 0;
}
printk("tuner: microtune %s found, OK\n",name);
return 0;
}
/* ---------------------------------------------------------------------- */
static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
{
struct tuner *t = i2c_get_clientdata(c);
u8 config;
u16 div;
struct tunertype *tun;
unsigned char buffer[4];
int rc;
tun=&tuners[t->type];
if (freq < tun->thresh1)
......@@ -700,6 +854,20 @@ static void set_tv_freq(struct i2c_client *c, unsigned int freq)
break;
}
break;
case TUNER_PHILIPS_ATSC:
/* 0x00 -> ATSC antenna input 1 */
/* 0x01 -> ATSC antenna input 2 */
/* 0x02 -> NTSC antenna input 1 */
/* 0x03 -> NTSC antenna input 2 */
config &= ~0x03;
#ifdef VIDEO_MODE_ATSC
if (VIDEO_MODE_ATSC != t->mode)
config |= 2;
#endif
/* FIXME: input */
break;
}
......@@ -737,17 +905,7 @@ static void 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;
// per Manual for FM tuning: first if center freq. 1085 MHz
mt2032_set_if_freq(c, freq*62500 /* freq*1000*1000/16 */,
1085*1000*1000,if2,if2,if2);
}
static void set_radio_freq(struct i2c_client *c, unsigned int freq)
static void default_set_radio_freq(struct i2c_client *c, unsigned int freq)
{
struct tunertype *tun;
struct tuner *t = i2c_get_clientdata(c);
......@@ -755,22 +913,6 @@ static void set_radio_freq(struct i2c_client *c, unsigned int freq)
unsigned div;
int rc;
if (freq < radio_range[0]*16 || freq > radio_range[1]*16) {
printk("tuner: radio freq (%d.%02d) out of range (%d-%d)\n",
freq/16,freq%16*100/16,
radio_range[0],radio_range[1]);
return;
}
if (t->type == UNSET) {
printk("tuner: tuner type not set\n");
return;
}
if (t->type == TUNER_MT2032) {
mt2032_set_radio_freq(c,freq);
return;
}
tun=&tuners[t->type];
div = freq + (int)(16*10.7);
buffer[0] = (div>>8) & 0x7f;
......@@ -778,6 +920,7 @@ static void set_radio_freq(struct i2c_client *c, unsigned int freq)
buffer[2] = tun->config;
switch (t->type) {
case TUNER_PHILIPS_FM1216ME_MK3:
case TUNER_PHILIPS_FM1236_MK3:
buffer[3] = 0x19;
break;
default:
......@@ -794,6 +937,80 @@ static void set_radio_freq(struct i2c_client *c, unsigned int freq)
/* ---------------------------------------------------------------------- */
// Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz
static void set_tv_freq(struct i2c_client *c, unsigned int freq)
{
struct tuner *t = i2c_get_clientdata(c);
if (t->type == UNSET) {
printk("tuner: tuner type not set\n");
return;
}
if (NULL == t->tv_freq) {
printk("tuner: Huh? tv_set is NULL?\n");
return;
}
if (freq < tv_range[0]*16 || freq > tv_range[1]*16) {
/* FIXME: better do that chip-specific, but
right now we don't have that in the config
struct and this way is still better than no
check at all */
printk("tuner: TV freq (%d.%02d) out of range (%d-%d)\n",
freq/16,freq%16*100/16,tv_range[0],tv_range[1]);
return;
}
t->tv_freq(c,freq);
}
static void set_radio_freq(struct i2c_client *c, unsigned int freq)
{
struct tuner *t = i2c_get_clientdata(c);
if (t->type == UNSET) {
printk("tuner: tuner type not set\n");
return;
}
if (NULL == t->radio_freq) {
printk("tuner: no radio tuning for this one, sorry.\n");
return;
}
if (freq < radio_range[0]*16 || freq > radio_range[1]*16) {
printk("tuner: radio freq (%d.%02d) out of range (%d-%d)\n",
freq/16,freq%16*100/16,
radio_range[0],radio_range[1]);
return;
}
t->radio_freq(c,freq);
}
static void set_type(struct i2c_client *c, unsigned int type)
{
struct tuner *t = i2c_get_clientdata(c);
if (t->type != UNSET) {
printk("tuner: type already set (%d)\n",t->type);
return;
}
if (type >= TUNERS)
return;
t->type = type;
printk("tuner: type set to %d (%s)\n", t->type,tuners[t->type].name);
strlcpy(c->name, tuners[t->type].name, sizeof(c->name));
switch (t->type) {
case TUNER_MT2032:
microtune_init(c);
break;
default:
t->tv_freq = default_set_tv_freq;
t->radio_freq = default_set_radio_freq;
break;
}
}
/* ---------------------------------------------------------------------- */
static int tuner_attach(struct i2c_adapter *adap, int addr, int kind)
{
struct tuner *t;
......@@ -821,15 +1038,12 @@ static int tuner_attach(struct i2c_adapter *adap, int addr, int kind)
t->type = UNSET;
t->radio_if2 = 10700*1000; // 10.7MHz - FM radio
i2c_attach_client(client);
if (type < TUNERS) {
t->type = type;
printk("tuner(bttv): type forced to %d (%s) [insmod]\n",t->type,tuners[t->type].name);
strlcpy(client->name, tuners[t->type].name, I2C_NAME_SIZE);
printk("tuner: type forced to %d (%s) [insmod]\n",
t->type,tuners[t->type].name);
set_type(client,type);
}
i2c_attach_client(client);
if (t->type == TUNER_MT2032)
mt2032_init(client);
return 0;
}
......@@ -841,8 +1055,19 @@ static int tuner_probe(struct i2c_adapter *adap)
}
this_adap = 0;
#ifdef I2C_ADAP_CLASS_TV_ANALOG
if (adap->class & I2C_ADAP_CLASS_TV_ANALOG)
return i2c_probe(adap, &addr_data, tuner_attach);
#else
switch (adap->id) {
case I2C_ALGO_BIT | I2C_HW_B_BT848:
case I2C_ALGO_BIT | I2C_HW_B_RIVA:
case I2C_ALGO_SAA7134:
case I2C_ALGO_SAA7146:
return i2c_probe(adap, &addr_data, tuner_attach);
break;
}
#endif
return 0;
}
......@@ -866,21 +1091,13 @@ tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
/* --- configuration --- */
case TUNER_SET_TYPE:
if (t->type != UNSET) {
printk("tuner: type already set (%d)\n",t->type);
return 0;
}
if (*iarg >= TUNERS)
return 0;
t->type = *iarg;
printk("tuner: type set to %d (%s)\n",
t->type,tuners[t->type].name);
strlcpy(client->name, tuners[t->type].name, I2C_NAME_SIZE);
if (t->type == TUNER_MT2032)
mt2032_init(client);
set_type(client,*iarg);
break;
case AUDC_SET_RADIO:
if (!t->radio) {
set_tv_freq(client,400 * 16);
t->radio = 1;
}
break;
case AUDC_CONFIG_PINNACLE:
switch (*iarg) {
......@@ -913,12 +1130,12 @@ tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
unsigned long *v = arg;
if (t->radio) {
dprintk("tuner: radio freq set to %d.%02d\n",
(*iarg)/16,(*iarg)%16*100/16);
dprintk("tuner: radio freq set to %lu.%02lu\n",
(*v)/16,(*v)%16*100/16);
set_radio_freq(client,*v);
} else {
dprintk("tuner: tv freq set to %d.%02d\n",
(*iarg)/16,(*iarg)%16*100/16);
dprintk("tuner: tv freq set to %lu.%02lu\n",
(*v)/16,(*v)%16*100/16);
set_tv_freq(client,*v);
}
t->freq = *v;
......@@ -960,9 +1177,9 @@ static struct i2c_driver driver = {
};
static struct i2c_client client_template =
{
I2C_DEVNAME("(tuner unset)"),
.flags = I2C_CLIENT_ALLOW_USE,
.driver = &driver,
.name = "(tuner unset)",
};
static int tuner_init_module(void)
......
include/media/tuner.h
View file @ 91eaefcf
......@@ -65,14 +65,16 @@
#define TUNER_PHILIPS_FM1216ME_MK3 38
#define TUNER_LG_NTSC_NEW_TAPC 39
#define TUNER_HITACHI_NTSC 40
#define TUNER_PHILIPS_PAL_MK 41
#define TUNER_PHILIPS_ATSC 42
#define TUNER_PHILIPS_FM1236_MK3 43
#define NOTUNER 0
#define PAL 1 /* PAL_BG */
#define PAL_I 2
#define NTSC 3
#define SECAM 4
#define ATSC 5
#define NoTuner 0
#define Philips 1
......
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