#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* Addresses to scan */ static unsigned short normal_i2c[] = {I2C_CLIENT_END}; static unsigned short normal_i2c_range[] = {0x60,0x6f,I2C_CLIENT_END}; I2C_CLIENT_INSMOD; #define UNSET (-1U) /* insmod options */ static unsigned int debug = 0; static unsigned int type = UNSET; static unsigned int addr = 0; static unsigned int tv_range[2] = { 44, 958 }; static unsigned int radio_range[2] = { 65, 108 }; static unsigned int tv_antenna = 1; static unsigned int radio_antenna = 0; MODULE_PARM(debug,"i"); MODULE_PARM(type,"i"); MODULE_PARM(addr,"i"); MODULE_PARM(tv_range,"2i"); MODULE_PARM(radio_range,"2i"); MODULE_PARM(tv_antenna,"i"); MODULE_PARM(radio_antenna,"i"); #define optimize_vco 1 MODULE_DESCRIPTION("device driver for various TV and TV+FM radio tuners"); MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer"); MODULE_LICENSE("GPL"); static int this_adap; #define dprintk if (debug) printk struct tuner { unsigned int type; /* chip type */ unsigned int freq; /* keep track of the current settings */ v4l2_std_id std; int using_v4l2; unsigned int radio; 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; static struct i2c_client client_template; /* ---------------------------------------------------------------------- */ /* tv standard selection for Temic 4046 FM5 this value takes the low bits of control byte 2 from datasheet Rev.01, Feb.00 standard BG I L L2 D picture IF 38.9 38.9 38.9 33.95 38.9 sound 1 33.4 32.9 32.4 40.45 32.4 sound 2 33.16 NICAM 33.05 32.348 33.05 33.05 */ #define TEMIC_SET_PAL_I 0x05 #define TEMIC_SET_PAL_DK 0x09 #define TEMIC_SET_PAL_L 0x0a // SECAM ? #define TEMIC_SET_PAL_L2 0x0b // change IF ! #define TEMIC_SET_PAL_BG 0x0c /* tv tuner system standard selection for Philips FQ1216ME this value takes the low bits of control byte 2 from datasheet "1999 Nov 16" (supersedes "1999 Mar 23") standard BG DK I L L` picture carrier 38.90 38.90 38.90 38.90 33.95 colour 34.47 34.47 34.47 34.47 38.38 sound 1 33.40 32.40 32.90 32.40 40.45 sound 2 33.16 - - - - NICAM 33.05 33.05 32.35 33.05 39.80 */ #define PHILIPS_SET_PAL_I 0x01 /* Bit 2 always zero !*/ #define PHILIPS_SET_PAL_BGDK 0x09 #define PHILIPS_SET_PAL_L2 0x0a #define PHILIPS_SET_PAL_L 0x0b /* system switching for Philips FI1216MF MK2 from datasheet "1996 Jul 09", standard BG L L' picture carrier 38.90 38.90 33.95 colour 34.47 34.37 38.38 sound 1 33.40 32.40 40.45 sound 2 33.16 - - NICAM 33.05 33.05 39.80 */ #define PHILIPS_MF_SET_BG 0x01 /* Bit 2 must be zero, Bit 3 is system output */ #define PHILIPS_MF_SET_PAL_L 0x03 // France #define PHILIPS_MF_SET_PAL_L2 0x02 // L' /* ---------------------------------------------------------------------- */ struct tunertype { char *name; unsigned char Vendor; unsigned char Type; unsigned short thresh1; /* band switch VHF_LO <=> VHF_HI */ unsigned short thresh2; /* band switch VHF_HI <=> UHF */ unsigned char VHF_L; unsigned char VHF_H; unsigned char UHF; unsigned char config; unsigned short IFPCoff; /* 622.4=16*38.90 MHz PAL, 732 =16*45.75 NTSCi, 940 =58.75 NTSC-Japan */ }; /* * The floats in the tuner struct are computed at compile time * by gcc and cast back to integers. Thus we don't violate the * "no float in kernel" rule. */ static struct tunertype tuners[] = { { "Temic PAL (4002 FH5)", TEMIC, PAL, 16*140.25,16*463.25,0x02,0x04,0x01,0x8e,623}, { "Philips PAL_I (FI1246 and compatibles)", Philips, PAL_I, 16*140.25,16*463.25,0xa0,0x90,0x30,0x8e,623}, { "Philips NTSC (FI1236,FM1236 and compatibles)", Philips, NTSC, 16*157.25,16*451.25,0xA0,0x90,0x30,0x8e,732}, { "Philips (SECAM+PAL_BG) (FI1216MF, FM1216MF, FR1216MF)", Philips, SECAM, 16*168.25,16*447.25,0xA7,0x97,0x37,0x8e,623}, { "NoTuner", NoTuner, NOTUNER, 0,0,0x00,0x00,0x00,0x00,0x00}, { "Philips PAL_BG (FI1216 and compatibles)", Philips, PAL, 16*168.25,16*447.25,0xA0,0x90,0x30,0x8e,623}, { "Temic NTSC (4032 FY5)", TEMIC, NTSC, 16*157.25,16*463.25,0x02,0x04,0x01,0x8e,732}, { "Temic PAL_I (4062 FY5)", TEMIC, PAL_I, 16*170.00,16*450.00,0x02,0x04,0x01,0x8e,623}, { "Temic NTSC (4036 FY5)", TEMIC, NTSC, 16*157.25,16*463.25,0xa0,0x90,0x30,0x8e,732}, { "Alps HSBH1", TEMIC, NTSC, 16*137.25,16*385.25,0x01,0x02,0x08,0x8e,732}, { "Alps TSBE1",TEMIC,PAL, 16*137.25,16*385.25,0x01,0x02,0x08,0x8e,732}, { "Alps TSBB5", Alps, PAL_I, /* tested (UK UHF) with Modulartech MM205 */ 16*133.25,16*351.25,0x01,0x02,0x08,0x8e,632}, { "Alps TSBE5", Alps, PAL, /* untested - data sheet guess. Only IF differs. */ 16*133.25,16*351.25,0x01,0x02,0x08,0x8e,622}, { "Alps TSBC5", Alps, PAL, /* untested - data sheet guess. Only IF differs. */ 16*133.25,16*351.25,0x01,0x02,0x08,0x8e,608}, { "Temic PAL_BG (4006FH5)", TEMIC, PAL, 16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623}, { "Alps TSCH6",Alps,NTSC, 16*137.25,16*385.25,0x14,0x12,0x11,0x8e,732}, { "Temic PAL_DK (4016 FY5)",TEMIC,PAL, 16*168.25,16*456.25,0xa0,0x90,0x30,0x8e,623}, { "Philips NTSC_M (MK2)",Philips,NTSC, 16*160.00,16*454.00,0xa0,0x90,0x30,0x8e,732}, { "Temic PAL_I (4066 FY5)", TEMIC, PAL_I, 16*169.00, 16*454.00, 0xa0,0x90,0x30,0x8e,623}, { "Temic PAL* auto (4006 FN5)", TEMIC, PAL, 16*169.00, 16*454.00, 0xa0,0x90,0x30,0x8e,623}, { "Temic PAL_BG (4009 FR5) or PAL_I (4069 FR5)", TEMIC, PAL, 16*141.00, 16*464.00, 0xa0,0x90,0x30,0x8e,623}, { "Temic NTSC (4039 FR5)", TEMIC, NTSC, 16*158.00, 16*453.00, 0xa0,0x90,0x30,0x8e,732}, { "Temic PAL/SECAM multi (4046 FM5)", TEMIC, PAL, 16*169.00, 16*454.00, 0xa0,0x90,0x30,0x8e,623}, { "Philips PAL_DK (FI1256 and compatibles)", Philips, PAL, 16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623}, { "Philips PAL/SECAM multi (FQ1216ME)", Philips, PAL, 16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623}, { "LG PAL_I+FM (TAPC-I001D)", LGINNOTEK, PAL_I, 16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623}, { "LG PAL_I (TAPC-I701D)", LGINNOTEK, PAL_I, 16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623}, { "LG NTSC+FM (TPI8NSR01F)", LGINNOTEK, NTSC, 16*210.00,16*497.00,0xa0,0x90,0x30,0x8e,732}, { "LG PAL_BG+FM (TPI8PSB01D)", LGINNOTEK, PAL, 16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623}, { "LG PAL_BG (TPI8PSB11D)", LGINNOTEK, PAL, 16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623}, { "Temic PAL* auto + FM (4009 FN5)", TEMIC, PAL, 16*141.00, 16*464.00, 0xa0,0x90,0x30,0x8e,623}, { "SHARP NTSC_JP (2U5JF5540)", SHARP, NTSC, /* 940=16*58.75 NTSC@Japan */ 16*137.25,16*317.25,0x01,0x02,0x08,0x8e,940 }, { "Samsung PAL TCPM9091PD27", Samsung, PAL, /* from sourceforge v3tv */ 16*169,16*464,0xA0,0x90,0x30,0x8e,623}, { "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}, { "Temic PAL_DK/SECAM_L (4012 FY5)", TEMIC, PAL, 16*140.25, 16*463.25, 0x02,0x04,0x01,0x8e,623}, { "Temic NTSC (4136 FY5)", TEMIC, NTSC, 16*158.00, 16*453.00, 0xa0,0x90,0x30,0x8e,732}, { "LG PAL (newer TAPC series)", LGINNOTEK, PAL, 16*170.00, 16*450.00, 0x01,0x02,0x08,0x8e,623}, { "Philips PAL/SECAM multi (FM1216ME MK3)", Philips, PAL, 16*160.00,16*442.00,0x01,0x02,0x04,0x8e,623 }, { "LG NTSC (newer TAPC series)", LGINNOTEK, NTSC, 16*170.00, 16*450.00, 0x01,0x02,0x08,0x8e,732}, { "HITACHI V7-J180AT", HITACHI, NTSC, 16*170.00, 16*450.00, 0x01,0x02,0x08,0x8e,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*442.00,0x01,0x02,0x04,0x8e,732}, { "Philips 4 in 1 (ATI TV Wonder Pro/Conexant)", Philips, NTSC, 16*160.00,16*442.00,0x01,0x02,0x04,0x8e,732}, { "Microtune 4049 FM5",Microtune,PAL, 16*141.00,16*464.00,0xa0,0x90,0x30,0x8e,623}, { "Panasonic VP27s/ENGE4324D", Panasonic, NTSC, 16*160.00,16*454.00,0x01,0x02,0x08,0xce,940}, { "LG NTSC (TAPE series)", LGINNOTEK, NTSC, 16*170.00, 16*450.00, 0x01,0x02,0x04,0x8e,732 }, { "Tenna TNF 8831 BGFF)", Philips, PAL, 16*161.25,16*463.25,0xa0,0x90,0x30,0x8e,623}, }; #define TUNERS ARRAY_SIZE(tuners) /* ---------------------------------------------------------------------- */ static int tuner_getstatus(struct i2c_client *c) { unsigned char byte; struct tuner *t = i2c_get_clientdata(c); if (t->type == TUNER_MT2032) return 0; if (1 != i2c_master_recv(c,&byte,1)) return 0; return byte; } #define TUNER_POR 0x80 #define TUNER_FL 0x40 #define TUNER_MODE 0x38 #define TUNER_AFC 0x07 #define TUNER_STEREO 0x10 /* radio mode */ #define TUNER_SIGNAL 0x07 /* radio mode */ static int tuner_signal(struct i2c_client *c) { return (tuner_getstatus(c) & TUNER_SIGNAL)<<13; } static int tuner_stereo(struct i2c_client *c) { return (tuner_getstatus (c) & TUNER_STEREO); } #if 0 /* unused */ static int tuner_islocked (struct i2c_client *c) { return (tuner_getstatus (c) & TUNER_FL); } static int tuner_afcstatus (struct i2c_client *c) { return (tuner_getstatus (c) & TUNER_AFC) - 2; } static int tuner_mode (struct i2c_client *c) { return (tuner_getstatus (c) & TUNER_MODE) >> 3; } #endif /* ---------------------------------------------------------------------- */ #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) { int n1=1,n2,f; f1=f1/1000; //scale to kHz to avoid 32bit overflows f2=f2/1000; spectrum_from/=1000; spectrum_to/=1000; dprintk("spurcheck f1=%d f2=%d from=%d to=%d\n",f1,f2,spectrum_from,spectrum_to); do { n2=-n1; f=n1*(f1-f2); do { n2--; f=f-f2; dprintk(" spurtest n1=%d n2=%d ftest=%d\n",n1,n2,f); if( (f>spectrum_from) && (f(f2-spectrum_to)) || (n2>-5)); n1++; } while (n1<5); return 1; } static int mt2032_compute_freq(unsigned int rfin, unsigned int if1, unsigned int if2, unsigned int spectrum_from, unsigned int spectrum_to, unsigned char *buf, int *ret_sel, unsigned int xogc) //all in Hz { unsigned int fref,lo1,lo1n,lo1a,s,sel,lo1freq, desired_lo1, desired_lo2,lo2,lo2n,lo2a,lo2num,lo2freq; 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); s=rfin/1000/1000+1090; if(optimize_vco) { if(s>1890) sel=0; else if(s>1720) sel=1; else if(s>1530) sel=2; else if(s>1370) sel=3; 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 } *ret_sel=sel; lo1freq=(lo1a+8*lo1n)*fref; dprintk("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; dprintk("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) { printk("mt2032: frequency parameters out of range: %d %d %d %d\n", lo1a, lo1n, lo2a,lo2n); return(-1); } mt2032_spurcheck(lo1freq, desired_lo2, spectrum_from, spectrum_to); // should recalculate lo1 (one step up/down) // set up MT2032 register map for transfer over i2c buf[0]=lo1n-1; buf[1]=lo1a | (sel<<4); buf[2]=0x86; // LOGC 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 buf[7]=8+xogc; buf[8]=0xc3; //reserved buf[9]=0x4e; //reserved buf[10]=0xec; //reserved buf[11]=(lo2num&0xff); buf[12]=(lo2num>>8) |0x80; // Lo2RST return 0; } static int mt2032_check_lo_lock(struct i2c_client *c) { 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); dprintk("mt2032 Reg.E=0x%02x\n",buf[0]); lock=buf[0] &0x06; if (lock==6) break; dprintk("mt2032: pll wait 1ms for lock (0x%2x)\n",buf[0]); udelay(1000); } return lock; } static int mt2032_optimize_vco(struct i2c_client *c,int sel,int lock) { unsigned char buf[2]; int tad1; buf[0]=0x0f; i2c_master_send(c,buf,1); i2c_master_recv(c,buf,1); dprintk("mt2032 Reg.F=0x%02x\n",buf[0]); tad1=buf[0]&0x07; if(tad1 ==0) return lock; if(tad1 ==1) return lock; if(tad1==2) { if(sel==0) return lock; else sel--; } else { if(sel<4) sel++; else return lock; } dprintk("mt2032 optimize_vco: sel=%d\n",sel); buf[0]=0x0f; buf[1]=sel; i2c_master_send(c,buf,2); lock=mt2032_check_lo_lock(c); return lock; } static void mt2032_set_if_freq(struct i2c_client *c, 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); dprintk("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=mt2032_compute_freq(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) printk("mt2032_set_if_freq failed with %d\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); if(optimize_vco) lock=mt2032_optimize_vco(c,sel,lock); if(lock==6) break; printk("mt2032: re-init PLLs by LINT\n"); buf[0]=7; buf[1]=0x80 +8+t->xogc; // set LINT to re-init PLLs i2c_master_send(c,buf,2); mdelay(10); buf[1]=8+t->xogc; i2c_master_send(c,buf,2); } if (lock!=6) printk("MT2032 Fatal Error: PLLs didn't lock.\n"); buf[0]=2; buf[1]=0x20; // LOGC for optimal phase noise ret=i2c_master_send(c,buf,2); if (ret!=2) printk("mt2032_set_if_freq2 failed with %d\n",ret); } 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 (t->std & V4L2_STD_525_60) { // NTSC from = 40750*1000; to = 46750*1000; if2 = 45750*1000; } else { // PAL from = 32900*1000; to = 39900*1000; if2 = 38900*1000; } mt2032_set_if_freq(c, freq*62500 /* freq*1000*1000/16 */, 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; // 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) { struct tuner *t = i2c_get_clientdata(c); 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 { 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; t->tv_freq = mt2032_set_tv_freq; t->radio_freq = mt2032_set_radio_freq; return(1); } static void mt2050_set_antenna(struct i2c_client *c, unsigned char antenna) { unsigned char buf[2]; int ret; buf[0] = 6; buf[1] = antenna ? 0x11 : 0x10; ret=i2c_master_send(c,buf,2); dprintk("mt2050: enabled antenna connector %d\n", antenna); } 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"); } 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->std & V4L2_STD_525_60) { // NTSC if2 = 45750*1000; } else { // PAL if2 = 38900*1000; } mt2050_set_if_freq(c, freq*62500, if2); mt2050_set_antenna(c, tv_antenna); } 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_antenna(c, radio_antenna); } 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; memset(buf,0,sizeof(buf)); 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]); #if 0 /* seems to cause more problems than it solves ... */ switch (company_code) { case 0x30bf: case 0x3cbf: case 0x3dbf: case 0x4d54: case 0x8e81: case 0x8e91: /* ok (?) */ break; default: printk("tuner: microtune: unknown companycode\n"); return 0; } #endif 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) config = tun->VHF_L; else if (freq < tun->thresh2) config = tun->VHF_H; else config = tun->UHF; /* tv norm specific stuff for multi-norm tuners */ switch (t->type) { case TUNER_PHILIPS_SECAM: // FI1216MF /* 0x01 -> ??? no change ??? */ /* 0x02 -> PAL BDGHI / SECAM L */ /* 0x04 -> ??? PAL others / SECAM others ??? */ config &= ~0x02; if (t->std & V4L2_STD_SECAM) config |= 0x02; break; case TUNER_TEMIC_4046FM5: config &= ~0x0f; if (t->std & V4L2_STD_PAL_BG) { config |= TEMIC_SET_PAL_BG; } else if (t->std & V4L2_STD_PAL_I) { config |= TEMIC_SET_PAL_I; } else if (t->std & V4L2_STD_PAL_DK) { config |= TEMIC_SET_PAL_DK; } else if (t->std & V4L2_STD_SECAM_L) { config |= TEMIC_SET_PAL_L; } break; case TUNER_PHILIPS_FQ1216ME: config &= ~0x0f; if (t->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) { config |= PHILIPS_SET_PAL_BGDK; } else if (t->std & V4L2_STD_PAL_I) { config |= PHILIPS_SET_PAL_I; } else if (t->std & V4L2_STD_SECAM_L) { config |= PHILIPS_SET_PAL_L; } 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; if (t->std & V4L2_STD_ATSC) config |= 2; /* FIXME: input */ break; } /* * Philips FI1216MK2 remark from specification : * for channel selection involving band switching, and to ensure * smooth tuning to the desired channel without causing * unnecessary charge pump action, it is recommended to consider * the difference between wanted channel frequency and the * current channel frequency. Unnecessary charge pump action * will result in very low tuning voltage which may drive the * oscillator to extreme conditions. * * Progfou: specification says to send config data before * frequency in case (wanted frequency < current frequency). */ div=freq + tun->IFPCoff; if (t->type == TUNER_PHILIPS_SECAM && freq < t->freq) { buffer[0] = tun->config; buffer[1] = config; buffer[2] = (div>>8) & 0x7f; buffer[3] = div & 0xff; } else { buffer[0] = (div>>8) & 0x7f; buffer[1] = div & 0xff; buffer[2] = tun->config; buffer[3] = config; } dprintk("tuner: tv 0x%02x 0x%02x 0x%02x 0x%02x\n", buffer[0],buffer[1],buffer[2],buffer[3]); if (4 != (rc = i2c_master_send(c,buffer,4))) printk("tuner: i2c i/o error: rc == %d (should be 4)\n",rc); } static void default_set_radio_freq(struct i2c_client *c, unsigned int freq) { struct tunertype *tun; struct tuner *t = i2c_get_clientdata(c); unsigned char buffer[4]; unsigned div; int rc; tun=&tuners[t->type]; div = freq + (int)(16*10.7); buffer[0] = (div>>8) & 0x7f; buffer[1] = div & 0xff; buffer[2] = tun->config; switch (t->type) { case TUNER_PHILIPS_FM1216ME_MK3: case TUNER_PHILIPS_FM1236_MK3: buffer[3] = 0x19; break; case TUNER_LG_PAL_FM: buffer[3] = 0xa5; break; default: buffer[3] = 0xa4; break; } dprintk("tuner: radio 0x%02x 0x%02x 0x%02x 0x%02x\n", buffer[0],buffer[1],buffer[2],buffer[3]); if (4 != (rc = i2c_master_send(c,buffer,4))) printk("tuner: i2c i/o error: rc == %d (should be 4)\n",rc); } /* ---------------------------------------------------------------------- */ // 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_freq(struct i2c_client *c, unsigned long freq) { struct tuner *t = i2c_get_clientdata(c); if (t->radio) { dprintk("tuner: radio freq set to %lu.%02lu\n", freq/16,freq%16*100/16); set_radio_freq(c,freq); } else { dprintk("tuner: tv freq set to %lu.%02lu\n", freq/16,freq%16*100/16); set_tv_freq(c, freq); } t->freq = freq; } static void set_type(struct i2c_client *c, unsigned int type, char *source) { struct tuner *t = i2c_get_clientdata(c); if (t->type != UNSET) { if (t->type != type) printk("tuner: type already set to %d, " "ignoring request for %d\n", t->type, type); return; } if (type >= TUNERS) return; t->type = type; printk("tuner: type set to %d (%s) by %s\n", t->type,tuners[t->type].name, source); 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 char *pal = "-"; MODULE_PARM(pal,"s"); static int tuner_fixup_std(struct tuner *t) { if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) { /* get more precise norm info from insmod option */ switch (pal[0]) { case 'b': case 'B': case 'g': case 'G': dprintk("insmod fixup: PAL => PAL-BG\n"); t->std = V4L2_STD_PAL_BG; break; case 'i': case 'I': dprintk("insmod fixup: PAL => PAL-I\n"); t->std = V4L2_STD_PAL_I; break; case 'd': case 'D': case 'k': case 'K': dprintk("insmod fixup: PAL => PAL-DK\n"); t->std = V4L2_STD_PAL_DK; break; } } return 0; } /* ---------------------------------------------------------------------- */ static int tuner_attach(struct i2c_adapter *adap, int addr, int kind) { struct tuner *t; struct i2c_client *client; if (this_adap > 0) return -1; this_adap++; client_template.adapter = adap; client_template.addr = addr; printk("tuner: chip found at addr 0x%x i2c-bus %s\n", addr<<1, adap->name); if (NULL == (client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL))) return -ENOMEM; memcpy(client,&client_template,sizeof(struct i2c_client)); t = kmalloc(sizeof(struct tuner),GFP_KERNEL); if (NULL == t) { kfree(client); return -ENOMEM; } memset(t,0,sizeof(struct tuner)); i2c_set_clientdata(client, t); t->type = UNSET; t->radio_if2 = 10700*1000; // 10.7MHz - FM radio i2c_attach_client(client); if (type < TUNERS) { set_type(client, type, "insmod option"); printk("tuner: The type= insmod option will go away soon.\n"); printk("tuner: Please use the tuner= option provided by\n"); printk("tuner: tv aard core driver (bttv, saa7134, ...) instead.\n"); } return 0; } static int tuner_probe(struct i2c_adapter *adap) { if (0 != addr) { normal_i2c_range[0] = addr; normal_i2c_range[1] = addr; } this_adap = 0; #ifdef I2C_CLASS_TV_ANALOG if (adap->class & I2C_CLASS_TV_ANALOG) return i2c_probe(adap, &addr_data, tuner_attach); #else switch (adap->id) { case I2C_ALGO_BIT | I2C_HW_SMBUS_VOODOO3: 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; } static int tuner_detach(struct i2c_client *client) { struct tuner *t = i2c_get_clientdata(client); i2c_detach_client(client); kfree(t); kfree(client); return 0; } #define SWITCH_V4L2 if (!t->using_v4l2 && debug) \ printk("tuner: switching to v4l2\n"); \ t->using_v4l2 = 1; #define CHECK_V4L2 if (t->using_v4l2) { if (debug) \ printk("tuner: ignore v4l1 call\n"); \ return 0; } static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg) { struct tuner *t = i2c_get_clientdata(client); unsigned int *iarg = (int*)arg; switch (cmd) { /* --- configuration --- */ case TUNER_SET_TYPE: set_type(client,*iarg,client->adapter->name); break; case AUDC_SET_RADIO: if (!t->radio) { set_tv_freq(client,400 * 16); t->radio = 1; } break; case AUDC_CONFIG_PINNACLE: switch (*iarg) { case 2: dprintk("tuner: pinnacle pal\n"); t->radio_if2 = 33300 * 1000; break; case 3: dprintk("tuner: pinnacle ntsc\n"); t->radio_if2 = 41300 * 1000; break; } break; /* --- v4l ioctls --- */ /* take care: bttv does userspace copying, we'll get a kernel pointer here... */ case VIDIOCSCHAN: { static const v4l2_std_id map[] = { [ VIDEO_MODE_PAL ] = V4L2_STD_PAL, [ VIDEO_MODE_NTSC ] = V4L2_STD_NTSC_M, [ VIDEO_MODE_SECAM ] = V4L2_STD_SECAM, [ 4 /* bttv */ ] = V4L2_STD_PAL_M, [ 5 /* bttv */ ] = V4L2_STD_PAL_N, [ 6 /* bttv */ ] = V4L2_STD_NTSC_M_JP, }; struct video_channel *vc = arg; CHECK_V4L2; t->radio = 0; if (vc->norm < ARRAY_SIZE(map)) t->std = map[vc->norm]; tuner_fixup_std(t); if (t->freq) set_tv_freq(client,t->freq); return 0; } case VIDIOCSFREQ: { unsigned long *v = arg; CHECK_V4L2; set_freq(client,*v); return 0; } case VIDIOCGTUNER: { struct video_tuner *vt = arg; CHECK_V4L2; if (t->radio) vt->signal = tuner_signal(client); return 0; } case VIDIOCGAUDIO: { struct video_audio *va = arg; CHECK_V4L2; if (t->radio) va->mode = (tuner_stereo(client) ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO); return 0; } case VIDIOC_S_STD: { v4l2_std_id *id = arg; SWITCH_V4L2; t->radio = 0; t->std = *id; tuner_fixup_std(t); if (t->freq) set_freq(client,t->freq); break; } case VIDIOC_S_FREQUENCY: { struct v4l2_frequency *f = arg; SWITCH_V4L2; if (V4L2_TUNER_ANALOG_TV == f->type) { t->radio = 0; } if (V4L2_TUNER_RADIO == f->type) { if (!t->radio) { set_tv_freq(client,400*16); t->radio = 1; } } t->freq = f->frequency; set_freq(client,t->freq); break; } case VIDIOC_G_TUNER: { struct v4l2_tuner *tuner = arg; SWITCH_V4L2; if (t->radio) tuner->signal = tuner_signal(client); break; } default: /* nothing */ break; } return 0; } /* ----------------------------------------------------------------------- */ static struct i2c_driver driver = { .owner = THIS_MODULE, .name = "i2c TV tuner driver", .id = I2C_DRIVERID_TUNER, .flags = I2C_DF_NOTIFY, .attach_adapter = tuner_probe, .detach_client = tuner_detach, .command = tuner_command, }; static struct i2c_client client_template = { I2C_DEVNAME("(tuner unset)"), .flags = I2C_CLIENT_ALLOW_USE, .driver = &driver, }; static int __init tuner_init_module(void) { return i2c_add_driver(&driver); } static void __exit tuner_cleanup_module(void) { i2c_del_driver(&driver); } module_init(tuner_init_module); module_exit(tuner_cleanup_module); /* * Overrides for Emacs so that we follow Linus's tabbing style. * --------------------------------------------------------------------------- * Local variables: * c-basic-offset: 8 * End: */