X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fmedia%2Fvideo%2Fmt20xx.c;h=c7c9f3f8715cbd62b96491c2965baef70520b763;hb=5d1a9ae6d9d7fc14b2259cd550eb87364a21190a;hp=972aa5e0aeef623f7ac8e02e6333949d02395246;hpb=dbaa9a9d2b37d838125fb7f2b9fdc5dc5fa4eaa9;p=powerpc.git diff --git a/drivers/media/video/mt20xx.c b/drivers/media/video/mt20xx.c index 972aa5e0ae..c7c9f3f871 100644 --- a/drivers/media/video/mt20xx.c +++ b/drivers/media/video/mt20xx.c @@ -20,6 +20,9 @@ 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 @@ -76,17 +79,17 @@ static int mt2032_compute_freq(struct i2c_client *c, unsigned int xogc) //all in Hz { struct tuner *t = i2c_get_clientdata(c); - unsigned int fref,lo1,lo1n,lo1a,s,sel,lo1freq, desired_lo1, + unsigned int fref,lo1,lo1n,lo1a,s,sel,lo1freq, desired_lo1, desired_lo2,lo2,lo2n,lo2a,lo2num,lo2freq; - fref= 5250 *1000; //5.25MHz + fref= 5250 *1000; //5.25MHz desired_lo1=rfin+if1; lo1=(2*(desired_lo1/1000)+(fref/1000)) / (2*fref/1000); - lo1n=lo1/8; - lo1a=lo1-(lo1n*8); + lo1n=lo1/8; + lo1a=lo1-(lo1n*8); - s=rfin/1000/1000+1090; + s=rfin/1000/1000+1090; if(optimize_vco) { if(s>1890) sel=0; @@ -96,34 +99,34 @@ static int mt2032_compute_freq(struct i2c_client *c, else sel=4; // >1090 } else { - if(s>1790) sel=0; // <1958 - else if(s>1617) sel=1; - else if(s>1449) sel=2; - else if(s>1291) sel=3; - else sel=4; // >1090 + if(s>1790) sel=0; // <1958 + else if(s>1617) sel=1; + else if(s>1449) sel=2; + else if(s>1291) sel=3; + else sel=4; // >1090 } *ret_sel=sel; - lo1freq=(lo1a+8*lo1n)*fref; + lo1freq=(lo1a+8*lo1n)*fref; tuner_dbg("mt2032: rfin=%d lo1=%d lo1n=%d lo1a=%d sel=%d, lo1freq=%d\n", rfin,lo1,lo1n,lo1a,sel,lo1freq); - desired_lo2=lo1freq-rfin-if2; - lo2=(desired_lo2)/fref; - lo2n=lo2/8; - lo2a=lo2-(lo2n*8); - lo2num=((desired_lo2/1000)%(fref/1000))* 3780/(fref/1000); //scale to fit in 32bit arith - lo2freq=(lo2a+8*lo2n)*fref + lo2num*(fref/1000)/3780*1000; + desired_lo2=lo1freq-rfin-if2; + lo2=(desired_lo2)/fref; + lo2n=lo2/8; + lo2a=lo2-(lo2n*8); + lo2num=((desired_lo2/1000)%(fref/1000))* 3780/(fref/1000); //scale to fit in 32bit arith + lo2freq=(lo2a+8*lo2n)*fref + lo2num*(fref/1000)/3780*1000; tuner_dbg("mt2032: rfin=%d lo2=%d lo2n=%d lo2a=%d num=%d lo2freq=%d\n", rfin,lo2,lo2n,lo2a,lo2num,lo2freq); - if(lo1a<0 || lo1a>7 || lo1n<17 ||lo1n>48 || lo2a<0 ||lo2a >7 ||lo2n<17 || lo2n>30) { + if(lo1a<0 || lo1a>7 || lo1n<17 ||lo1n>48 || lo2a<0 ||lo2a >7 ||lo2n<17 || lo2n>30) { tuner_info("mt2032: frequency parameters out of range: %d %d %d %d\n", lo1a, lo1n, lo2a,lo2n); - return(-1); - } + return(-1); + } mt2032_spurcheck(c, lo1freq, desired_lo2, spectrum_from, spectrum_to); // should recalculate lo1 (one step up/down) @@ -135,10 +138,10 @@ static int mt2032_compute_freq(struct i2c_client *c, buf[3]=0x0f; //reserved buf[4]=0x1f; buf[5]=(lo2n-1) | (lo2a<<5); - if(rfin >400*1000*1000) - buf[6]=0xe4; - else - buf[6]=0xf4; // set PKEN per rev 1.2 + if(rfin >400*1000*1000) + buf[6]=0xe4; + else + buf[6]=0xf4; // set PKEN per rev 1.2 buf[7]=8+xogc; buf[8]=0xc3; //reserved buf[9]=0x4e; //reserved @@ -168,7 +171,7 @@ static int mt2032_check_lo_lock(struct i2c_client *c) tuner_dbg("mt2032: pll wait 1ms for lock (0x%2x)\n",buf[0]); udelay(1000); } - return lock; + return lock; } static int mt2032_optimize_vco(struct i2c_client *c,int sel,int lock) @@ -202,7 +205,7 @@ 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); + i2c_master_send(c,buf,2); lock=mt2032_check_lo_lock(c); return lock; } @@ -219,23 +222,23 @@ static void mt2032_set_if_freq(struct i2c_client *c, unsigned int rfin, 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); + buf[0]=0; + ret=i2c_master_send(c,buf,1); + i2c_master_recv(c,buf,21); buf[0]=0; ret=mt2032_compute_freq(c,rfin,if1,if2,from,to,&buf[1],&sel,t->xogc); if (ret<0) return; - // send only the relevant registers per Rev. 1.2 - buf[0]=0; - ret=i2c_master_send(c,buf,4); - buf[5]=5; - ret=i2c_master_send(c,buf+5,4); - buf[11]=11; - ret=i2c_master_send(c,buf+11,3); - if(ret!=3) + // send only the relevant registers per Rev. 1.2 + buf[0]=0; + ret=i2c_master_send(c,buf,4); + buf[5]=5; + ret=i2c_master_send(c,buf+5,4); + buf[11]=11; + ret=i2c_master_send(c,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. @@ -253,7 +256,7 @@ static void mt2032_set_if_freq(struct i2c_client *c, unsigned int rfin, mdelay(10); buf[1]=8+t->xogc; i2c_master_send(c,buf,2); - } + } if (lock!=6) tuner_warn("MT2032 Fatal Error: PLLs didn't lock.\n"); @@ -284,7 +287,7 @@ 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(c, freq*62500 /* freq*1000*1000/16 */, 1090*1000*1000, if2, from, to); } @@ -294,7 +297,7 @@ static void mt2032_set_radio_freq(struct i2c_client *c, unsigned int freq) int if2 = t->radio_if2; // per Manual for FM tuning: first if center freq. 1085 MHz - mt2032_set_if_freq(c, freq * 1000 / 16, + mt2032_set_if_freq(c, freq * 1000 / 16, 1085*1000*1000,if2,if2,if2); } @@ -302,57 +305,57 @@ static void mt2032_set_radio_freq(struct i2c_client *c, unsigned int freq) static int mt2032_init(struct i2c_client *c) { struct tuner *t = i2c_get_clientdata(c); - unsigned char buf[21]; - int ret,xogc,xok=0; + unsigned char buf[21]; + int ret,xogc,xok=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 { + 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 { 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); - xok=buf[0]&0x01; - tuner_dbg("mt2032: xok = 0x%02x\n",xok); - if (xok == 1) break; - - xogc--; - tuner_dbg("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) + mdelay(10); + buf[0]=0x0e; + i2c_master_send(c,buf,1); + i2c_master_recv(c,buf,1); + xok=buf[0]&0x01; + tuner_dbg("mt2032: xok = 0x%02x\n",xok); + if (xok == 1) break; + + xogc--; + tuner_dbg("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) tuner_warn("i2c i/o error: rc == %d (should be 2)\n",ret); - } while (xok != 1 ); + } while (xok != 1 ); t->xogc=xogc; - t->tv_freq = mt2032_set_tv_freq; - t->radio_freq = mt2032_set_radio_freq; - return(1); + 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) @@ -426,7 +429,7 @@ static void mt2050_set_if_freq(struct i2c_client *c,unsigned int freq, unsigned } ret=i2c_master_send(c,buf,6); - if (ret!=6) + if (ret!=6) tuner_warn("i2c i/o error: rc == %d (should be 6)\n",ret); } @@ -437,11 +440,11 @@ static void mt2050_set_tv_freq(struct i2c_client *c, unsigned int freq) if (t->std & V4L2_STD_525_60) { // NTSC - if2 = 45750*1000; - } else { - // PAL - if2 = 38900*1000; - } + if2 = 45750*1000; + } else { + // PAL + if2 = 38900*1000; + } if (V4L2_TUNER_DIGITAL_TV == t->mode) { // DVB (pinnacle 300i) if2 = 36150*1000; @@ -455,7 +458,7 @@ 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); + mt2050_set_if_freq(c, freq * 1000 / 16, if2); mt2050_set_antenna(c, radio_antenna); } @@ -478,8 +481,8 @@ static int mt2050_init(struct i2c_client *c) i2c_master_recv(c,buf,1); tuner_dbg("mt2050: sro is %x\n",buf[0]); - t->tv_freq = mt2050_set_tv_freq; - t->radio_freq = mt2050_set_radio_freq; + t->set_tv_freq = mt2050_set_tv_freq; + t->set_radio_freq = mt2050_set_radio_freq; return 0; } @@ -487,26 +490,33 @@ int microtune_init(struct i2c_client *c) { struct tuner *t = i2c_get_clientdata(c); char *name; - unsigned char buf[21]; + unsigned char buf[21]; int company_code; memset(buf,0,sizeof(buf)); - t->tv_freq = NULL; - t->radio_freq = NULL; + 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; + } else { + tuner_dbg("pinnacle pal\n"); + t->radio_if2 = 33300 * 1000; + } name = "unknown"; - i2c_master_send(c,buf,1); - i2c_master_recv(c,buf,21); - if (tuner_debug) { - int i; + i2c_master_send(c,buf,1); + i2c_master_recv(c,buf,21); + if (tuner_debug) { + int i; tuner_dbg("MT20xx hexdump:"); - for(i=0;i<21;i++) { - printk(" %02x",buf[i]); - if(((i+1)%8)==0) printk(" "); - } - printk("\n"); - } + for(i=0;i<21;i++) { + printk(" %02x",buf[i]); + if(((i+1)%8)==0) printk(" "); + } + printk("\n"); + } company_code = buf[0x11] << 8 | buf[0x12]; tuner_info("microtune: companycode=%04x part=%02x rev=%02x\n", company_code,buf[0x13],buf[0x14]); @@ -525,8 +535,8 @@ int microtune_init(struct i2c_client *c) default: tuner_info("microtune %s found, not (yet?) supported, sorry :-/\n", name); - return 0; - } + return 0; + } strlcpy(c->name, name, sizeof(c->name)); tuner_info("microtune %s found, OK\n",name);