| #include <linux/module.h> |
| #include <linux/kernel.h> |
| #include <linux/sched.h> |
| #include <linux/string.h> |
| #include <linux/timer.h> |
| #include <linux/delay.h> |
| #include <linux/errno.h> |
| #include <linux/slab.h> |
| #include <linux/poll.h> |
| #include <linux/i2c.h> |
| #include <linux/types.h> |
| #include <linux/videodev.h> |
| #include <linux/init.h> |
| |
| #include <media/tuner.h> |
| #include <media/audiochip.h> |
| |
| /* 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; |
| |
| /* insmod options */ |
| static int debug = 0; |
| static int type = -1; |
| static int addr = 0; |
| static char *pal = "b"; |
| static int tv_range[2] = { 44, 958 }; |
| static int radio_range[2] = { 65, 108 }; |
| MODULE_PARM(debug,"i"); |
| MODULE_PARM(type,"i"); |
| MODULE_PARM(addr,"i"); |
| MODULE_PARM(tv_range,"2i"); |
| MODULE_PARM(radio_range,"2i"); |
| MODULE_PARM(pal,"s"); |
| |
| #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 |
| { |
| int type; /* chip type */ |
| int freq; /* keep track of the current settings */ |
| int std; |
| |
| int radio; |
| int mode; /* current norm for multi-norm tuners */ |
| int xogc; // only for MT2032 |
| }; |
| |
| 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,732 }, // Corrected to NTSC=732 (was:940) |
| |
| { "Samsung PAL TCPM9091PD27", Samsung, PAL, /* from sourceforge v3tv */ |
| 16*169,16*464,0xA0,0x90,0x30,0x8e,623}, |
| { "MT2032 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}, |
| }; |
| #define TUNERS (sizeof(tuners)/sizeof(struct tunertype)) |
| |
| /* ---------------------------------------------------------------------- */ |
| |
| 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 |
| |
| // 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); |
| } |
| |
| |
| // 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<spectrum_to)) |
| printk("mt2032 spurcheck triggered: %d\n",n1); |
| } while ( (f>(f2-spectrum_to)) || (n2>-5)); |
| n1++; |
| } while (n1<5); |
| |
| return 1; |
| } |
| |
| static int mt2032_compute_freq(int rfin, int if1, int if2, int spectrum_from, |
| int spectrum_to, unsigned char *buf, int *ret_sel, int xogc) //all in Hz |
| { |
| 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,int rfin, int if1, int if2, int from, 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, int freq, int norm) |
| { |
| int if2,from,to; |
| |
| // signal bandwidth and picture carrier |
| if(norm==VIDEO_MODE_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* 1000*1000/16, 1090*1000*1000, if2, from, to); |
| } |
| |
| |
| // Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz |
| static void set_tv_freq(struct i2c_client *c, int freq) |
| { |
| u8 config; |
| u16 div; |
| struct tunertype *tun; |
| struct tuner *t = i2c_get_clientdata(c); |
| unsigned char buffer[4]; |
| int rc; |
| |
| if (t->type == -1) { |
| printk("tuner: tuner type not set\n"); |
| return; |
| } |
| if (t->type == TUNER_MT2032) { |
| mt2032_set_tv_freq(c,freq,t->mode); |
| 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; |
| } |
| |
| 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->mode == VIDEO_MODE_SECAM) |
| config |= 0x02; |
| break; |
| |
| case TUNER_TEMIC_4046FM5: |
| config &= ~0x0f; |
| switch (pal[0]) { |
| case 'i': |
| case 'I': |
| config |= TEMIC_SET_PAL_I; |
| break; |
| case 'd': |
| case 'D': |
| config |= TEMIC_SET_PAL_DK; |
| break; |
| case 'l': |
| case 'L': |
| config |= TEMIC_SET_PAL_L; |
| break; |
| case 'b': |
| case 'B': |
| case 'g': |
| case 'G': |
| default: |
| config |= TEMIC_SET_PAL_BG; |
| break; |
| } |
| break; |
| |
| case TUNER_PHILIPS_FQ1216ME: |
| config &= ~0x0f; |
| switch (pal[0]) { |
| case 'i': |
| case 'I': |
| config |= PHILIPS_SET_PAL_I; |
| break; |
| case 'l': |
| case 'L': |
| config |= PHILIPS_SET_PAL_L; |
| break; |
| case 'd': |
| case 'D': |
| case 'b': |
| case 'B': |
| case 'g': |
| case 'G': |
| config |= PHILIPS_SET_PAL_BGDK; |
| break; |
| } |
| 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 mt2032_set_radio_freq(struct i2c_client *c,int freq) |
| { |
| int if2; |
| |
| if2=10700*1000; // 10.7MHz FM intermediate frequency |
| |
| // per Manual for FM tuning: first if center freq. 1085 MHz |
| mt2032_set_if_freq(c,freq* 1000*1000/16, 1085*1000*1000,if2,if2,if2); |
| } |
| |
| static void set_radio_freq(struct i2c_client *c, int freq) |
| { |
| struct tunertype *tun; |
| struct tuner *t = i2c_get_clientdata(c); |
| unsigned char buffer[4]; |
| int rc,div; |
| |
| 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 == -1) { |
| 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; |
| buffer[1] = div & 0xff; |
| buffer[2] = tun->config; |
| switch (t->type) { |
| case TUNER_PHILIPS_FM1216ME_MK3: |
| buffer[3] = 0x19; |
| 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); |
| } |
| |
| /* ---------------------------------------------------------------------- */ |
| |
| static int tuner_attach(struct i2c_adapter *adap, int addr, |
| unsigned short flags, 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 @ 0x%x\n", addr<<1); |
| |
| 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; |
| } |
| i2c_set_clientdata(client, t); |
| memset(t,0,sizeof(struct tuner)); |
| if (type >= 0 && type < TUNERS) { |
| t->type = type; |
| printk("tuner(bttv): type forced to %d (%s) [insmod]\n",t->type,tuners[t->type].name); |
| strncpy(client->dev.name, tuners[t->type].name, DEVICE_NAME_SIZE); |
| } else { |
| t->type = -1; |
| } |
| i2c_attach_client(client); |
| if (t->type == TUNER_MT2032) |
| mt2032_init(client); |
| |
| MOD_INC_USE_COUNT; |
| return 0; |
| } |
| |
| static int tuner_probe(struct i2c_adapter *adap) |
| { |
| int rc; |
| |
| if (0 != addr) { |
| normal_i2c_range[0] = addr; |
| normal_i2c_range[1] = addr; |
| } |
| this_adap = 0; |
| 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: |
| printk("tuner: probing %s i2c adapter [id=0x%x]\n", |
| adap->dev.name,adap->id); |
| rc = i2c_probe(adap, &addr_data, tuner_attach); |
| break; |
| default: |
| printk("tuner: ignoring %s i2c adapter [id=0x%x]\n", |
| adap->dev.name,adap->id); |
| rc = 0; |
| /* nothing */ |
| } |
| return rc; |
| } |
| |
| static int tuner_detach(struct i2c_client *client) |
| { |
| struct tuner *t = i2c_get_clientdata(client); |
| |
| i2c_detach_client(client); |
| kfree(t); |
| kfree(client); |
| MOD_DEC_USE_COUNT; |
| return 0; |
| } |
| |
| static int |
| tuner_command(struct i2c_client *client, unsigned int cmd, void *arg) |
| { |
| struct tuner *t = i2c_get_clientdata(client); |
| int *iarg = (int*)arg; |
| #if 0 |
| __u16 *sarg = (__u16*)arg; |
| #endif |
| |
| switch (cmd) { |
| |
| /* --- configuration --- */ |
| case TUNER_SET_TYPE: |
| if (t->type != -1) { |
| printk("tuner: type already set (%d)\n",t->type); |
| return 0; |
| } |
| if (*iarg < 0 || *iarg >= TUNERS) |
| return 0; |
| t->type = *iarg; |
| printk("tuner: type set to %d (%s)\n", |
| t->type,tuners[t->type].name); |
| strncpy(client->dev.name, tuners[t->type].name, DEVICE_NAME_SIZE); |
| if (t->type == TUNER_MT2032) |
| mt2032_init(client); |
| break; |
| case AUDC_SET_RADIO: |
| t->radio = 1; |
| break; |
| |
| /* --- v4l ioctls --- */ |
| /* take care: bttv does userspace copying, we'll get a |
| kernel pointer here... */ |
| case VIDIOCSCHAN: |
| { |
| struct video_channel *vc = arg; |
| |
| t->radio = 0; |
| t->mode = vc->norm; |
| if (t->freq) |
| set_tv_freq(client,t->freq); |
| return 0; |
| } |
| case VIDIOCSFREQ: |
| { |
| unsigned long *v = arg; |
| |
| if (t->radio) { |
| dprintk("tuner: radio freq set to %d.%02d\n", |
| (*iarg)/16,(*iarg)%16*100/16); |
| set_radio_freq(client,*v); |
| } else { |
| dprintk("tuner: tv freq set to %d.%02d\n", |
| (*iarg)/16,(*iarg)%16*100/16); |
| set_tv_freq(client,*v); |
| } |
| t->freq = *v; |
| return 0; |
| } |
| case VIDIOCGTUNER: |
| { |
| struct video_tuner *vt = arg; |
| |
| if (t->radio) |
| vt->signal = tuner_signal(client); |
| return 0; |
| } |
| case VIDIOCGAUDIO: |
| { |
| struct video_audio *va = arg; |
| if (t->radio) |
| va->mode = (tuner_stereo(client) ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO); |
| return 0; |
| } |
| |
| #if 0 |
| /* --- old, obsolete interface --- */ |
| case TUNER_SET_TVFREQ: |
| dprintk("tuner: tv freq set to %d.%02d\n", |
| (*iarg)/16,(*iarg)%16*100/16); |
| set_tv_freq(client,*iarg); |
| t->radio = 0; |
| t->freq = *iarg; |
| break; |
| |
| case TUNER_SET_RADIOFREQ: |
| dprintk("tuner: radio freq set to %d.%02d\n", |
| (*iarg)/16,(*iarg)%16*100/16); |
| set_radio_freq(client,*iarg); |
| t->radio = 1; |
| t->freq = *iarg; |
| break; |
| case TUNER_SET_MODE: |
| if (t->type != TUNER_PHILIPS_SECAM) { |
| dprintk("tuner: trying to change mode for other than TUNER_PHILIPS_SECAM\n"); |
| } else { |
| int mode=(*sarg==VIDEO_MODE_SECAM)?1:0; |
| dprintk("tuner: mode set to %d\n", *sarg); |
| t->mode = mode; |
| set_tv_freq(client,t->freq); |
| } |
| break; |
| #endif |
| 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 = |
| { |
| .flags = I2C_CLIENT_ALLOW_USE, |
| .driver = &driver, |
| .dev = { |
| .name = "(tuner unset)", |
| }, |
| }; |
| |
| static int tuner_init_module(void) |
| { |
| i2c_add_driver(&driver); |
| return 0; |
| } |
| |
| static void 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: |
| */ |