#include #include #include #include #include #include #include #include #include #include #include #include #include #include "tuner.h" #include "audiochip.h" /* Addresses to scan */ static unsigned short normal_i2c[] = {I2C_CLIENT_END}; static unsigned short normal_i2c_range[] = {0x60,0x6f,I2C_CLIENT_END}; static unsigned short probe[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; static unsigned short probe_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; static unsigned short ignore[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; static unsigned short ignore_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; static unsigned short force[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; static struct i2c_client_address_data addr_data = { normal_i2c, normal_i2c_range, probe, probe_range, ignore, ignore_range, force }; /* 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", */ #define PHILIPS_MF_SET_BG 0x01 /* Bit 2 must be zero, Bit 3 is system output */ #define PHILIPS_MF_SET_PAL_L 0x03 #define PHILIPS_MF_SET_PAL_L2 0x02 /* ---------------------------------------------------------------------- */ 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 NTSC */ }; /* * 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", Philips, PAL_I, 16*140.25,16*463.25,0xa0,0x90,0x30,0x8e,623}, { "Philips NTSC", Philips, NTSC, 16*157.25,16*451.25,0xA0,0x90,0x30,0x8e,732}, { "Philips SECAM", 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", 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 Modtec 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 (4009 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", 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}, { "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}, }; #define TUNERS (sizeof(tuners)/sizeof(struct tunertype)) /* ---------------------------------------------------------------------- */ static int tuner_getstatus(struct i2c_client *c) { unsigned char byte; struct tuner *t = (struct tuner*)c->data; 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); } 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; } #if 0 /* unused */ 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 int mt2032_init(struct i2c_client *c) { unsigned char buf[21]; int ret,xogc,xok=0; struct tuner *t = (struct tuner*)c->data; 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 "); } // 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()? 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; } 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; } 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; } 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; } 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 = (struct tuner*)c->data; 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); } 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 = c->data; 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: /* 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; } 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 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) { u8 config; u16 div; struct tunertype *tun; struct tuner *t = (struct tuner*)c->data; unsigned char buffer[4]; 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 == -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]; config = 0xa4 /* 0xa5 */; /* bit 0 is AFC (set) vs. RF-Signal (clear) */ div=freq + (int)(16*10.7); div&=0x7fff; buffer[0] = (div>>8) & 0x7f; buffer[1] = div & 0xff; buffer[2] = tun->config; buffer[3] = config; if (4 != (rc = i2c_master_send(c,buffer,4))) printk("tuner: i2c i/o error: rc == %d (should be 4)\n",rc); if (debug) { current->state = TASK_INTERRUPTIBLE; schedule_timeout(HZ/10); if (tuner_islocked (c)) printk ("tuner: PLL locked\n"); else printk ("tuner: PLL not locked\n"); if (config & 1) { printk ("tuner: AFC: %d\n", tuner_afcstatus(c)); } else { printk ("tuner: Signal: %d\n", tuner_signal(c)); } } } /* ---------------------------------------------------------------------- */ 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)); client->data = t = kmalloc(sizeof(struct tuner),GFP_KERNEL); if (NULL == t) { kfree(client); return -ENOMEM; } memset(t,0,sizeof(struct tuner)); if (type >= 0 && type < TUNERS) { t->type = type; strncpy(client->name, tuners[t->type].name, sizeof(client->name)); } 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) { if (0 != addr) { normal_i2c_range[0] = addr; normal_i2c_range[1] = addr; } this_adap = 0; if (adap->id == (I2C_ALGO_BIT | I2C_HW_B_BT848)) return i2c_probe(adap, &addr_data, tuner_attach); return 0; } static int tuner_detach(struct i2c_client *client) { struct tuner *t = (struct tuner*)client->data; 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 = (struct tuner*)client->data; int *iarg = (int*)arg; #if 0 __u16 *sarg = (__u16*)arg; #endif switch (cmd) { /* --- configuration --- */ case TUNER_SET_TYPE: if (t->type != -1) return 0; if (*iarg < 0 || *iarg >= TUNERS) return 0; t->type = *iarg; dprintk("tuner: type set to %d (%s)\n", t->type,tuners[t->type].name); strncpy(client->name, tuners[t->type].name, sizeof(client->name)); 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 = { "i2c TV tuner driver", I2C_DRIVERID_TUNER, I2C_DF_NOTIFY, tuner_probe, tuner_detach, tuner_command, }; static struct i2c_client client_template = { "(unset)", /* name */ -1, 0, 0, NULL, &driver }; EXPORT_NO_SYMBOLS; int tuner_init_module(void) { i2c_add_driver(&driver); return 0; } 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: */