drivers/media/video/tuner.c

   1 #include <linux/module.h>
   2 #include <linux/kernel.h>
   3 #include <linux/sched.h>
   4 #include <linux/string.h>
   5 #include <linux/timer.h>
   6 #include <linux/delay.h>
   7 #include <linux/errno.h>
   8 #include <linux/slab.h>
   9 #include <linux/poll.h>
  10 #include <linux/i2c.h>
  11 #include <linux/types.h>
  12 #include <linux/videodev.h>
  13 #include <linux/init.h>
  14
  15 #include <media/tuner.h>
  16 #include <media/audiochip.h>
  17
  18 /* Addresses to scan */
  19 static unsigned short normal_i2c[] = {I2C_CLIENT_END};
  20 static unsigned short normal_i2c_range[] = {0x60,0x6f,I2C_CLIENT_END};
  21 I2C_CLIENT_INSMOD;
  22
  23 #define UNSET (-1U)
  24
  25 /* insmod options */
  26 static unsigned int debug =  0;
  27 static unsigned int type  =  UNSET;
  28 static unsigned int addr  =  0;
  29 static unsigned int tv_range[2]    = { 44, 958 };
  30 static unsigned int radio_range[2] = { 65, 108 };
  31 static unsigned int tv_antenna = 1;
  32 static unsigned int radio_antenna = 0;
  33 MODULE_PARM(debug,"i");
  34 MODULE_PARM(type,"i");
  35 MODULE_PARM(addr,"i");
  36 MODULE_PARM(tv_range,"2i");
  37 MODULE_PARM(radio_range,"2i");
  38 MODULE_PARM(tv_antenna,"i");
  39 MODULE_PARM(radio_antenna,"i");
  40
  41 #define optimize_vco 1
  42
  43 MODULE_DESCRIPTION("device driver for various TV and TV+FM radio tuners");
  44 MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer");
  45 MODULE_LICENSE("GPL");
  46
  47 static int this_adap;
  48 #define dprintk     if (debug) printk
  49
  50 struct tuner {
  51         unsigned int type;            /* chip type */
  52         unsigned int freq;            /* keep track of the current settings */
  53         v4l2_std_id  std;
  54         int          using_v4l2;
  55
  56         unsigned int radio;
  57         unsigned int input;
  58
  59         // only for MT2032
  60         unsigned int xogc;
  61         unsigned int radio_if2;
  62
  63         void (*tv_freq)(struct i2c_client *c, unsigned int freq);
  64         void (*radio_freq)(struct i2c_client *c, unsigned int freq);
  65 };
  66
  67 static struct i2c_driver driver;
  68 static struct i2c_client client_template;
  69
  70 /* ---------------------------------------------------------------------- */
  71
  72 /* tv standard selection for Temic 4046 FM5
  73    this value takes the low bits of control byte 2
  74    from datasheet Rev.01, Feb.00
  75      standard     BG      I       L       L2      D
  76      picture IF   38.9    38.9    38.9    33.95   38.9
  77      sound 1      33.4    32.9    32.4    40.45   32.4
  78      sound 2      33.16
  79      NICAM        33.05   32.348  33.05           33.05
  80  */
  81 #define TEMIC_SET_PAL_I         0x05
  82 #define TEMIC_SET_PAL_DK        0x09
  83 #define TEMIC_SET_PAL_L         0x0a // SECAM ?
  84 #define TEMIC_SET_PAL_L2        0x0b // change IF !
  85 #define TEMIC_SET_PAL_BG        0x0c
  86
  87 /* tv tuner system standard selection for Philips FQ1216ME
  88    this value takes the low bits of control byte 2
  89    from datasheet "1999 Nov 16" (supersedes "1999 Mar 23")
  90      standard           BG      DK      I       L       L`
  91      picture carrier    38.90   38.90   38.90   38.90   33.95
  92      colour             34.47   34.47   34.47   34.47   38.38
  93      sound 1            33.40   32.40   32.90   32.40   40.45
  94      sound 2            33.16   -       -       -       -
  95      NICAM              33.05   33.05   32.35   33.05   39.80
  96  */
  97 #define PHILIPS_SET_PAL_I       0x01 /* Bit 2 always zero !*/
  98 #define PHILIPS_SET_PAL_BGDK    0x09
  99 #define PHILIPS_SET_PAL_L2      0x0a
 100 #define PHILIPS_SET_PAL_L       0x0b
 101
 102 /* system switching for Philips FI1216MF MK2
 103    from datasheet "1996 Jul 09",
 104     standard         BG     L      L'
 105     picture carrier  38.90  38.90  33.95
 106     colour           34.47  34.37  38.38
 107     sound 1          33.40  32.40  40.45
 108     sound 2          33.16  -      -
 109     NICAM            33.05  33.05  39.80
 110  */
 111 #define PHILIPS_MF_SET_BG       0x01 /* Bit 2 must be zero, Bit 3 is system output */
 112 #define PHILIPS_MF_SET_PAL_L    0x03 // France
 113 #define PHILIPS_MF_SET_PAL_L2   0x02 // L'
 114
 115
 116 /* ---------------------------------------------------------------------- */
 117
 118 struct tunertype
 119 {
 120         char *name;
 121         unsigned char Vendor;
 122         unsigned char Type;
 123
 124         unsigned short thresh1;  /*  band switch VHF_LO <=> VHF_HI  */
 125         unsigned short thresh2;  /*  band switch VHF_HI <=> UHF     */
 126         unsigned char VHF_L;
 127         unsigned char VHF_H;
 128         unsigned char UHF;
 129         unsigned char config;
 130         unsigned short IFPCoff; /* 622.4=16*38.90 MHz PAL,
 131                                    732  =16*45.75 NTSCi,
 132                                    940  =58.75 NTSC-Japan */
 133 };
 134
 135 /*
 136  *      The floats in the tuner struct are computed at compile time
 137  *      by gcc and cast back to integers. Thus we don't violate the
 138  *      "no float in kernel" rule.
 139  */
 140 static struct tunertype tuners[] = {
 141         { "Temic PAL (4002 FH5)", TEMIC, PAL,
 142           16*140.25,16*463.25,0x02,0x04,0x01,0x8e,623},
 143         { "Philips PAL_I (FI1246 and compatibles)", Philips, PAL_I,
 144           16*140.25,16*463.25,0xa0,0x90,0x30,0x8e,623},
 145         { "Philips NTSC (FI1236,FM1236 and compatibles)", Philips, NTSC,
 146           16*157.25,16*451.25,0xA0,0x90,0x30,0x8e,732},
 147         { "Philips (SECAM+PAL_BG) (FI1216MF, FM1216MF, FR1216MF)", Philips, SECAM,
 148           16*168.25,16*447.25,0xA7,0x97,0x37,0x8e,623},
 149
 150         { "NoTuner", NoTuner, NOTUNER,
 151           0,0,0x00,0x00,0x00,0x00,0x00},
 152         { "Philips PAL_BG (FI1216 and compatibles)", Philips, PAL,
 153           16*168.25,16*447.25,0xA0,0x90,0x30,0x8e,623},
 154         { "Temic NTSC (4032 FY5)", TEMIC, NTSC,
 155           16*157.25,16*463.25,0x02,0x04,0x01,0x8e,732},
 156         { "Temic PAL_I (4062 FY5)", TEMIC, PAL_I,
 157           16*170.00,16*450.00,0x02,0x04,0x01,0x8e,623},
 158
 159         { "Temic NTSC (4036 FY5)", TEMIC, NTSC,
 160           16*157.25,16*463.25,0xa0,0x90,0x30,0x8e,732},
 161         { "Alps HSBH1", TEMIC, NTSC,
 162           16*137.25,16*385.25,0x01,0x02,0x08,0x8e,732},
 163         { "Alps TSBE1",TEMIC,PAL,
 164           16*137.25,16*385.25,0x01,0x02,0x08,0x8e,732},
 165         { "Alps TSBB5", Alps, PAL_I, /* tested (UK UHF) with Modulartech MM205 */
 166           16*133.25,16*351.25,0x01,0x02,0x08,0x8e,632},
 167
 168         { "Alps TSBE5", Alps, PAL, /* untested - data sheet guess. Only IF differs. */
 169           16*133.25,16*351.25,0x01,0x02,0x08,0x8e,622},
 170         { "Alps TSBC5", Alps, PAL, /* untested - data sheet guess. Only IF differs. */
 171           16*133.25,16*351.25,0x01,0x02,0x08,0x8e,608},
 172         { "Temic PAL_BG (4006FH5)", TEMIC, PAL,
 173           16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
 174         { "Alps TSCH6",Alps,NTSC,
 175           16*137.25,16*385.25,0x14,0x12,0x11,0x8e,732},
 176
 177         { "Temic PAL_DK (4016 FY5)",TEMIC,PAL,
 178           16*168.25,16*456.25,0xa0,0x90,0x30,0x8e,623},
 179         { "Philips NTSC_M (MK2)",Philips,NTSC,
 180           16*160.00,16*454.00,0xa0,0x90,0x30,0x8e,732},
 181         { "Temic PAL_I (4066 FY5)", TEMIC, PAL_I,
 182           16*169.00, 16*454.00, 0xa0,0x90,0x30,0x8e,623},
 183         { "Temic PAL* auto (4006 FN5)", TEMIC, PAL,
 184           16*169.00, 16*454.00, 0xa0,0x90,0x30,0x8e,623},
 185
 186         { "Temic PAL_BG (4009 FR5) or PAL_I (4069 FR5)", TEMIC, PAL,
 187           16*141.00, 16*464.00, 0xa0,0x90,0x30,0x8e,623},
 188         { "Temic NTSC (4039 FR5)", TEMIC, NTSC,
 189           16*158.00, 16*453.00, 0xa0,0x90,0x30,0x8e,732},
 190         { "Temic PAL/SECAM multi (4046 FM5)", TEMIC, PAL,
 191           16*169.00, 16*454.00, 0xa0,0x90,0x30,0x8e,623},
 192         { "Philips PAL_DK (FI1256 and compatibles)", Philips, PAL,
 193           16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
 194
 195         { "Philips PAL/SECAM multi (FQ1216ME)", Philips, PAL,
 196           16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
 197         { "LG PAL_I+FM (TAPC-I001D)", LGINNOTEK, PAL_I,
 198           16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
 199         { "LG PAL_I (TAPC-I701D)", LGINNOTEK, PAL_I,
 200           16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
 201         { "LG NTSC+FM (TPI8NSR01F)", LGINNOTEK, NTSC,
 202           16*210.00,16*497.00,0xa0,0x90,0x30,0x8e,732},
 203
 204         { "LG PAL_BG+FM (TPI8PSB01D)", LGINNOTEK, PAL,
 205           16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
 206         { "LG PAL_BG (TPI8PSB11D)", LGINNOTEK, PAL,
 207           16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
 208         { "Temic PAL* auto + FM (4009 FN5)", TEMIC, PAL,
 209           16*141.00, 16*464.00, 0xa0,0x90,0x30,0x8e,623},
 210         { "SHARP NTSC_JP (2U5JF5540)", SHARP, NTSC, /* 940=16*58.75 NTSC@Japan */
 211           16*137.25,16*317.25,0x01,0x02,0x08,0x8e,940 },
 212
 213         { "Samsung PAL TCPM9091PD27", Samsung, PAL,  /* from sourceforge v3tv */
 214           16*169,16*464,0xA0,0x90,0x30,0x8e,623},
 215         { "MT20xx universal", Microtune,PAL|NTSC,
 216                0,0,0,0,0,0,0},
 217         { "Temic PAL_BG (4106 FH5)", TEMIC, PAL,
 218           16*141.00, 16*464.00, 0xa0,0x90,0x30,0x8e,623},
 219         { "Temic PAL_DK/SECAM_L (4012 FY5)", TEMIC, PAL,
 220           16*140.25, 16*463.25, 0x02,0x04,0x01,0x8e,623},
 221
 222         { "Temic NTSC (4136 FY5)", TEMIC, NTSC,
 223           16*158.00, 16*453.00, 0xa0,0x90,0x30,0x8e,732},
 224         { "LG PAL (newer TAPC series)", LGINNOTEK, PAL,
 225           16*170.00, 16*450.00, 0x01,0x02,0x08,0x8e,623},
 226         { "Philips PAL/SECAM multi (FM1216ME MK3)", Philips, PAL,
 227           16*160.00,16*442.00,0x01,0x02,0x04,0x8e,623 },
 228         { "LG NTSC (newer TAPC series)", LGINNOTEK, NTSC,
 229           16*170.00, 16*450.00, 0x01,0x02,0x08,0x8e,732},
 230
 231         { "HITACHI V7-J180AT", HITACHI, NTSC,
 232           16*170.00, 16*450.00, 0x01,0x02,0x08,0x8e,940 },
 233         { "Philips PAL_MK (FI1216 MK)", Philips, PAL,
 234           16*140.25,16*463.25,0x01,0xc2,0xcf,0x8e,623},
 235         { "Philips 1236D ATSC/NTSC daul in",Philips,ATSC,
 236           16*157.25,16*454.00,0xa0,0x90,0x30,0x8e,732},
 237         { "Philips NTSC MK3 (FM1236MK3 or FM1236/F)", Philips, NTSC,
 238           16*160.00,16*442.00,0x01,0x02,0x04,0x8e,732},
 239
 240         { "Philips 4 in 1 (ATI TV Wonder Pro/Conexant)", Philips, NTSC,
 241           16*160.00,16*442.00,0x01,0x02,0x04,0x8e,732},
 242         { "Microtune 4049 FM5",Microtune,PAL,
 243           16*141.00,16*464.00,0xa0,0x90,0x30,0x8e,623},
 244         { "Panasonic VP27s/ENGE4324D", Panasonic, NTSC,
 245           16*160.00,16*454.00,0x01,0x02,0x08,0xce,940},
 246         { "LG NTSC (TAPE series)", LGINNOTEK, NTSC,
 247           16*170.00, 16*450.00, 0x01,0x02,0x04,0x8e,732 },
 248
 249         { "Tenna TNF 8831 BGFF)", Philips, PAL,
 250           16*161.25,16*463.25,0xa0,0x90,0x30,0x8e,623},
 251
 252 };
 253 #define TUNERS ARRAY_SIZE(tuners)
 254
 255 /* ---------------------------------------------------------------------- */
 256
 257 static int tuner_getstatus(struct i2c_client *c)
 258 {
 259         unsigned char byte;
 260
 261         struct tuner *t = i2c_get_clientdata(c);
 262
 263         if (t->type == TUNER_MT2032)
 264                 return 0;
 265
 266         if (1 != i2c_master_recv(c,&byte,1))
 267                 return 0;
 268         return byte;
 269 }
 270
 271 #define TUNER_POR       0x80
 272 #define TUNER_FL        0x40
 273 #define TUNER_MODE      0x38
 274 #define TUNER_AFC       0x07
 275
 276 #define TUNER_STEREO    0x10 /* radio mode */
 277 #define TUNER_SIGNAL    0x07 /* radio mode */
 278
 279 static int tuner_signal(struct i2c_client *c)
 280 {
 281         return (tuner_getstatus(c) & TUNER_SIGNAL)<<13;
 282 }
 283
 284 static int tuner_stereo(struct i2c_client *c)
 285 {
 286         return (tuner_getstatus (c) & TUNER_STEREO);
 287 }
 288
 289 #if 0 /* unused */
 290 static int tuner_islocked (struct i2c_client *c)
 291 {
 292         return (tuner_getstatus (c) & TUNER_FL);
 293 }
 294
 295 static int tuner_afcstatus (struct i2c_client *c)
 296 {
 297         return (tuner_getstatus (c) & TUNER_AFC) - 2;
 298 }
 299
 300 static int tuner_mode (struct i2c_client *c)
 301 {
 302         return (tuner_getstatus (c) & TUNER_MODE) >> 3;
 303 }
 304 #endif
 305
 306 /* ---------------------------------------------------------------------- */
 307
 308 #define MT2032 0x04
 309 #define MT2030 0x06
 310 #define MT2040 0x07
 311 #define MT2050 0x42
 312
 313 static char *microtune_part[] = {
 314         [ MT2030 ] = "MT2030",
 315         [ MT2032 ] = "MT2032",
 316         [ MT2040 ] = "MT2040",
 317         [ MT2050 ] = "MT2050",
 318 };
 319
 320 // IsSpurInBand()?
 321 static int mt2032_spurcheck(int f1, int f2, int spectrum_from,int spectrum_to)
 322 {
 323         int n1=1,n2,f;
 324
 325         f1=f1/1000; //scale to kHz to avoid 32bit overflows
 326         f2=f2/1000;
 327         spectrum_from/=1000;
 328         spectrum_to/=1000;
 329
 330         dprintk("spurcheck f1=%d f2=%d  from=%d to=%d\n",f1,f2,spectrum_from,spectrum_to);
 331
 332         do {
 333             n2=-n1;
 334             f=n1*(f1-f2);
 335             do {
 336                 n2--;
 337                 f=f-f2;
 338                 dprintk(" spurtest n1=%d n2=%d ftest=%d\n",n1,n2,f);
 339
 340                 if( (f>spectrum_from) && (f<spectrum_to))
 341                         printk("mt2032 spurcheck triggered: %d\n",n1);
 342             } while ( (f>(f2-spectrum_to)) || (n2>-5));
 343             n1++;
 344         } while (n1<5);
 345
 346         return 1;
 347 }
 348
 349 static int mt2032_compute_freq(unsigned int rfin,
 350                                unsigned int if1, unsigned int if2,
 351                                unsigned int spectrum_from,
 352                                unsigned int spectrum_to,
 353                                unsigned char *buf,
 354                                int *ret_sel,
 355                                unsigned int xogc) //all in Hz
 356 {
 357         unsigned int fref,lo1,lo1n,lo1a,s,sel,lo1freq, desired_lo1,
 358                 desired_lo2,lo2,lo2n,lo2a,lo2num,lo2freq;
 359
 360         fref= 5250 *1000; //5.25MHz
 361         desired_lo1=rfin+if1;
 362
 363         lo1=(2*(desired_lo1/1000)+(fref/1000)) / (2*fref/1000);
 364         lo1n=lo1/8;
 365         lo1a=lo1-(lo1n*8);
 366
 367         s=rfin/1000/1000+1090;
 368
 369         if(optimize_vco) {
 370                 if(s>1890) sel=0;
 371                 else if(s>1720) sel=1;
 372                 else if(s>1530) sel=2;
 373                 else if(s>1370) sel=3;
 374                 else sel=4; // >1090
 375         }
 376         else {
 377                 if(s>1790) sel=0; // <1958
 378                 else if(s>1617) sel=1;
 379                 else if(s>1449) sel=2;
 380                 else if(s>1291) sel=3;
 381                 else sel=4; // >1090
 382         }
 383         *ret_sel=sel;
 384
 385         lo1freq=(lo1a+8*lo1n)*fref;
 386
 387         dprintk("mt2032: rfin=%d lo1=%d lo1n=%d lo1a=%d sel=%d, lo1freq=%d\n",
 388                 rfin,lo1,lo1n,lo1a,sel,lo1freq);
 389
 390         desired_lo2=lo1freq-rfin-if2;
 391         lo2=(desired_lo2)/fref;
 392         lo2n=lo2/8;
 393         lo2a=lo2-(lo2n*8);
 394         lo2num=((desired_lo2/1000)%(fref/1000))* 3780/(fref/1000); //scale to fit in 32bit arith
 395         lo2freq=(lo2a+8*lo2n)*fref + lo2num*(fref/1000)/3780*1000;
 396
 397         dprintk("mt2032: rfin=%d lo2=%d lo2n=%d lo2a=%d num=%d lo2freq=%d\n",
 398                 rfin,lo2,lo2n,lo2a,lo2num,lo2freq);
 399
 400         if(lo1a<0 || lo1a>7 || lo1n<17 ||lo1n>48 || lo2a<0 ||lo2a >7 ||lo2n<17 || lo2n>30) {
 401                 printk("mt2032: frequency parameters out of range: %d %d %d %d\n",
 402                        lo1a, lo1n, lo2a,lo2n);
 403                 return(-1);
 404         }
 405
 406         mt2032_spurcheck(lo1freq, desired_lo2,  spectrum_from, spectrum_to);
 407         // should recalculate lo1 (one step up/down)
 408
 409         // set up MT2032 register map for transfer over i2c
 410         buf[0]=lo1n-1;
 411         buf[1]=lo1a | (sel<<4);
 412         buf[2]=0x86; // LOGC
 413         buf[3]=0x0f; //reserved
 414         buf[4]=0x1f;
 415         buf[5]=(lo2n-1) | (lo2a<<5);
 416         if(rfin >400*1000*1000)
 417                 buf[6]=0xe4;
 418         else
 419                 buf[6]=0xf4; // set PKEN per rev 1.2
 420         buf[7]=8+xogc;
 421         buf[8]=0xc3; //reserved
 422         buf[9]=0x4e; //reserved
 423         buf[10]=0xec; //reserved
 424         buf[11]=(lo2num&0xff);
 425         buf[12]=(lo2num>>8) |0x80; // Lo2RST
 426
 427         return 0;
 428 }
 429
 430 static int mt2032_check_lo_lock(struct i2c_client *c)
 431 {
 432         int try,lock=0;
 433         unsigned char buf[2];
 434         for(try=0;try<10;try++) {
 435                 buf[0]=0x0e;
 436                 i2c_master_send(c,buf,1);
 437                 i2c_master_recv(c,buf,1);
 438                 dprintk("mt2032 Reg.E=0x%02x\n",buf[0]);
 439                 lock=buf[0] &0x06;
 440
 441                 if (lock==6)
 442                         break;
 443
 444                 dprintk("mt2032: pll wait 1ms for lock (0x%2x)\n",buf[0]);
 445                 udelay(1000);
 446         }
 447         return lock;
 448 }
 449
 450 static int mt2032_optimize_vco(struct i2c_client *c,int sel,int lock)
 451 {
 452         unsigned char buf[2];
 453         int tad1;
 454
 455         buf[0]=0x0f;
 456         i2c_master_send(c,buf,1);
 457         i2c_master_recv(c,buf,1);
 458         dprintk("mt2032 Reg.F=0x%02x\n",buf[0]);
 459         tad1=buf[0]&0x07;
 460
 461         if(tad1 ==0) return lock;
 462         if(tad1 ==1) return lock;
 463
 464         if(tad1==2) {
 465                 if(sel==0)
 466                         return lock;
 467                 else sel--;
 468         }
 469         else {
 470                 if(sel<4)
 471                         sel++;
 472                 else
 473                         return lock;
 474         }
 475
 476         dprintk("mt2032 optimize_vco: sel=%d\n",sel);
 477
 478         buf[0]=0x0f;
 479         buf[1]=sel;
 480         i2c_master_send(c,buf,2);
 481         lock=mt2032_check_lo_lock(c);
 482         return lock;
 483 }
 484
 485
 486 static void mt2032_set_if_freq(struct i2c_client *c, unsigned int rfin,
 487                                unsigned int if1, unsigned int if2,
 488                                unsigned int from, unsigned int to)
 489 {
 490         unsigned char buf[21];
 491         int lint_try,ret,sel,lock=0;
 492         struct tuner *t = i2c_get_clientdata(c);
 493
 494         dprintk("mt2032_set_if_freq rfin=%d if1=%d if2=%d from=%d to=%d\n",rfin,if1,if2,from,to);
 495
 496         buf[0]=0;
 497         ret=i2c_master_send(c,buf,1);
 498         i2c_master_recv(c,buf,21);
 499
 500         buf[0]=0;
 501         ret=mt2032_compute_freq(rfin,if1,if2,from,to,&buf[1],&sel,t->xogc);
 502         if (ret<0)
 503                 return;
 504
 505         // send only the relevant registers per Rev. 1.2
 506         buf[0]=0;
 507         ret=i2c_master_send(c,buf,4);
 508         buf[5]=5;
 509         ret=i2c_master_send(c,buf+5,4);
 510         buf[11]=11;
 511         ret=i2c_master_send(c,buf+11,3);
 512         if(ret!=3)
 513                 printk("mt2032_set_if_freq failed with %d\n",ret);
 514
 515         // wait for PLLs to lock (per manual), retry LINT if not.
 516         for(lint_try=0; lint_try<2; lint_try++) {
 517                 lock=mt2032_check_lo_lock(c);
 518
 519                 if(optimize_vco)
 520                         lock=mt2032_optimize_vco(c,sel,lock);
 521                 if(lock==6) break;
 522
 523                 printk("mt2032: re-init PLLs by LINT\n");
 524                 buf[0]=7;
 525                 buf[1]=0x80 +8+t->xogc; // set LINT to re-init PLLs
 526                 i2c_master_send(c,buf,2);
 527                 mdelay(10);
 528                 buf[1]=8+t->xogc;
 529                 i2c_master_send(c,buf,2);
 530         }
 531
 532         if (lock!=6)
 533                 printk("MT2032 Fatal Error: PLLs didn't lock.\n");
 534
 535         buf[0]=2;
 536         buf[1]=0x20; // LOGC for optimal phase noise
 537         ret=i2c_master_send(c,buf,2);
 538         if (ret!=2)
 539                 printk("mt2032_set_if_freq2 failed with %d\n",ret);
 540 }
 541
 542
 543 static void mt2032_set_tv_freq(struct i2c_client *c, unsigned int freq)
 544 {
 545         struct tuner *t = i2c_get_clientdata(c);
 546         int if2,from,to;
 547
 548         // signal bandwidth and picture carrier
 549         if (t->std & V4L2_STD_525_60) {
 550                 // NTSC
 551                 from = 40750*1000;
 552                 to   = 46750*1000;
 553                 if2  = 45750*1000;
 554         } else {
 555                 // PAL
 556                 from = 32900*1000;
 557                 to   = 39900*1000;
 558                 if2  = 38900*1000;
 559         }
 560
 561         mt2032_set_if_freq(c, freq*62500 /* freq*1000*1000/16 */,
 562                            1090*1000*1000, if2, from, to);
 563 }
 564
 565 static void mt2032_set_radio_freq(struct i2c_client *c, unsigned int freq)
 566 {
 567         struct tuner *t = i2c_get_clientdata(c);
 568         int if2 = t->radio_if2;
 569
 570         // per Manual for FM tuning: first if center freq. 1085 MHz
 571         mt2032_set_if_freq(c, freq*62500 /* freq*1000*1000/16 */,
 572                            1085*1000*1000,if2,if2,if2);
 573 }
 574
 575 // Initalization as described in "MT203x Programming Procedures", Rev 1.2, Feb.2001
 576 static int mt2032_init(struct i2c_client *c)
 577 {
 578         struct tuner *t = i2c_get_clientdata(c);
 579         unsigned char buf[21];
 580         int ret,xogc,xok=0;
 581
 582         // Initialize Registers per spec.
 583         buf[1]=2; // Index to register 2
 584         buf[2]=0xff;
 585         buf[3]=0x0f;
 586         buf[4]=0x1f;
 587         ret=i2c_master_send(c,buf+1,4);
 588
 589         buf[5]=6; // Index register 6
 590         buf[6]=0xe4;
 591         buf[7]=0x8f;
 592         buf[8]=0xc3;
 593         buf[9]=0x4e;
 594         buf[10]=0xec;
 595         ret=i2c_master_send(c,buf+5,6);
 596
 597         buf[12]=13;  // Index register 13
 598         buf[13]=0x32;
 599         ret=i2c_master_send(c,buf+12,2);
 600
 601         // Adjust XOGC (register 7), wait for XOK
 602         xogc=7;
 603         do {
 604                 dprintk("mt2032: xogc = 0x%02x\n",xogc&0x07);
 605                 mdelay(10);
 606                 buf[0]=0x0e;
 607                 i2c_master_send(c,buf,1);
 608                 i2c_master_recv(c,buf,1);
 609                 xok=buf[0]&0x01;
 610                 dprintk("mt2032: xok = 0x%02x\n",xok);
 611                 if (xok == 1) break;
 612
 613                 xogc--;
 614                 dprintk("mt2032: xogc = 0x%02x\n",xogc&0x07);
 615                 if (xogc == 3) {
 616                         xogc=4; // min. 4 per spec
 617                         break;
 618                 }
 619                 buf[0]=0x07;
 620                 buf[1]=0x88 + xogc;
 621                 ret=i2c_master_send(c,buf,2);
 622                 if (ret!=2)
 623                         printk("mt2032_init failed with %d\n",ret);
 624         } while (xok != 1 );
 625         t->xogc=xogc;
 626
 627         t->tv_freq    = mt2032_set_tv_freq;
 628         t->radio_freq = mt2032_set_radio_freq;
 629         return(1);
 630 }
 631
 632 static void mt2050_set_antenna(struct i2c_client *c, unsigned char antenna)
 633 {
 634        unsigned char buf[2];
 635        int ret;
 636
 637        buf[0] = 6;
 638        buf[1] = antenna ? 0x11 : 0x10;
 639        ret=i2c_master_send(c,buf,2);
 640        dprintk("mt2050: enabled antenna connector %d\n", antenna);
 641 }
 642
 643 static void mt2050_set_if_freq(struct i2c_client *c,unsigned int freq, unsigned int if2)
 644 {
 645         unsigned int if1=1218*1000*1000;
 646         unsigned int f_lo1,f_lo2,lo1,lo2,f_lo1_modulo,f_lo2_modulo,num1,num2,div1a,div1b,div2a,div2b;
 647         int ret;
 648         unsigned char buf[6];
 649
 650         dprintk("mt2050_set_if_freq freq=%d\n",freq);
 651
 652         f_lo1=freq+if1;
 653         f_lo1=(f_lo1/1000000)*1000000;
 654
 655         f_lo2=f_lo1-freq-if2;
 656         f_lo2=(f_lo2/50000)*50000;
 657
 658         lo1=f_lo1/4000000;
 659         lo2=f_lo2/4000000;
 660
 661         f_lo1_modulo= f_lo1-(lo1*4000000);
 662         f_lo2_modulo= f_lo2-(lo2*4000000);
 663
 664         num1=4*f_lo1_modulo/4000000;
 665         num2=4096*(f_lo2_modulo/1000)/4000;
 666
 667         // todo spurchecks
 668
 669         div1a=(lo1/12)-1;
 670         div1b=lo1-(div1a+1)*12;
 671
 672         div2a=(lo2/8)-1;
 673         div2b=lo2-(div2a+1)*8;
 674
 675         dprintk("lo1 lo2 = %d %d\n", lo1, lo2);
 676         dprintk("num1 num2 div1a div1b div2a div2b= %x %x %x %x %x %x\n",num1,num2,div1a,div1b,div2a,div2b);
 677
 678
 679         buf[0]=1;
 680         buf[1]= 4*div1b + num1;
 681         if(freq<275*1000*1000) buf[1] = buf[1]|0x80;
 682
 683         buf[2]=div1a;
 684         buf[3]=32*div2b + num2/256;
 685         buf[4]=num2-(num2/256)*256;
 686         buf[5]=div2a;
 687         if(num2!=0) buf[5]=buf[5]|0x40;
 688
 689         if(debug) {
 690                 int i;
 691                 printk("bufs is: ");
 692                 for(i=0;i<6;i++)
 693                         printk("%x ",buf[i]);
 694                 printk("\n");
 695         }
 696
 697         ret=i2c_master_send(c,buf,6);
 698         if (ret!=6)
 699                 printk("mt2050_set_if_freq failed with %d\n",ret);
 700 }
 701
 702 static void mt2050_set_tv_freq(struct i2c_client *c, unsigned int freq)
 703 {
 704         struct tuner *t = i2c_get_clientdata(c);
 705         unsigned int if2;
 706
 707         if (t->std & V4L2_STD_525_60) {
 708                 // NTSC
 709                 if2 = 45750*1000;
 710         } else {
 711                 // PAL
 712                 if2 = 38900*1000;
 713         }
 714         mt2050_set_if_freq(c, freq*62500, if2);
 715         mt2050_set_antenna(c, tv_antenna);
 716 }
 717
 718 static void mt2050_set_radio_freq(struct i2c_client *c, unsigned int freq)
 719 {
 720         struct tuner *t = i2c_get_clientdata(c);
 721         int if2 = t->radio_if2;
 722
 723         mt2050_set_if_freq(c, freq*62500, if2);
 724         mt2050_set_antenna(c, radio_antenna);
 725 }
 726
 727 static int mt2050_init(struct i2c_client *c)
 728 {
 729         struct tuner *t = i2c_get_clientdata(c);
 730         unsigned char buf[2];
 731         int ret;
 732
 733         buf[0]=6;
 734         buf[1]=0x10;
 735         ret=i2c_master_send(c,buf,2); //  power
 736
 737         buf[0]=0x0f;
 738         buf[1]=0x0f;
 739         ret=i2c_master_send(c,buf,2); // m1lo
 740
 741         buf[0]=0x0d;
 742         ret=i2c_master_send(c,buf,1);
 743         i2c_master_recv(c,buf,1);
 744
 745         dprintk("mt2050: sro is %x\n",buf[0]);
 746         t->tv_freq    = mt2050_set_tv_freq;
 747         t->radio_freq = mt2050_set_radio_freq;
 748         return 0;
 749 }
 750
 751 static int microtune_init(struct i2c_client *c)
 752 {
 753         struct tuner *t = i2c_get_clientdata(c);
 754         char *name;
 755         unsigned char buf[21];
 756         int company_code;
 757
 758         memset(buf,0,sizeof(buf));
 759         t->tv_freq    = NULL;
 760         t->radio_freq = NULL;
 761         name = "unknown";
 762
 763         i2c_master_send(c,buf,1);
 764         i2c_master_recv(c,buf,21);
 765         if(debug) {
 766                 int i;
 767                 printk(KERN_DEBUG "tuner: MT2032 hexdump:\n");
 768                 for(i=0;i<21;i++) {
 769                         printk(" %02x",buf[i]);
 770                         if(((i+1)%8)==0) printk(" ");
 771                         if(((i+1)%16)==0) printk("\n ");
 772                 }
 773                 printk("\n ");
 774         }
 775         company_code = buf[0x11] << 8 | buf[0x12];
 776         printk("tuner: microtune: companycode=%04x part=%02x rev=%02x\n",
 777                company_code,buf[0x13],buf[0x14]);
 778
 779 #if 0
 780         /* seems to cause more problems than it solves ... */
 781         switch (company_code) {
 782         case 0x30bf:
 783         case 0x3cbf:
 784         case 0x3dbf:
 785         case 0x4d54:
 786         case 0x8e81:
 787         case 0x8e91:
 788                 /* ok (?) */
 789                 break;
 790         default:
 791                 printk("tuner: microtune: unknown companycode\n");
 792                 return 0;
 793         }
 794 #endif
 795
 796         if (buf[0x13] < ARRAY_SIZE(microtune_part) &&
 797             NULL != microtune_part[buf[0x13]])
 798                 name = microtune_part[buf[0x13]];
 799         switch (buf[0x13]) {
 800         case MT2032:
 801                 mt2032_init(c);
 802                 break;
 803         case MT2050:
 804                 mt2050_init(c);
 805                 break;
 806         default:
 807                 printk("tuner: microtune %s found, not (yet?) supported, sorry :-/\n",
 808                        name);
 809                 return 0;
 810         }
 811         printk("tuner: microtune %s found, OK\n",name);
 812         return 0;
 813 }
 814
 815 /* ---------------------------------------------------------------------- */
 816
 817 static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
 818 {
 819         struct tuner *t = i2c_get_clientdata(c);
 820         u8 config;
 821         u16 div;
 822         struct tunertype *tun;
 823         unsigned char buffer[4];
 824         int rc;
 825
 826         tun=&tuners[t->type];
 827         if (freq < tun->thresh1)
 828                 config = tun->VHF_L;
 829         else if (freq < tun->thresh2)
 830                 config = tun->VHF_H;
 831         else
 832                 config = tun->UHF;
 833
 834
 835         /* tv norm specific stuff for multi-norm tuners */
 836         switch (t->type) {
 837         case TUNER_PHILIPS_SECAM: // FI1216MF
 838                 /* 0x01 -> ??? no change ??? */
 839                 /* 0x02 -> PAL BDGHI / SECAM L */
 840                 /* 0x04 -> ??? PAL others / SECAM others ??? */
 841                 config &= ~0x02;
 842                 if (t->std & V4L2_STD_SECAM)
 843                         config |= 0x02;
 844                 break;
 845
 846         case TUNER_TEMIC_4046FM5:
 847                 config &= ~0x0f;
 848
 849                 if (t->std & V4L2_STD_PAL_BG) {
 850                         config |= TEMIC_SET_PAL_BG;
 851
 852                 } else if (t->std & V4L2_STD_PAL_I) {
 853                         config |= TEMIC_SET_PAL_I;
 854
 855                 } else if (t->std & V4L2_STD_PAL_DK) {
 856                         config |= TEMIC_SET_PAL_DK;
 857
 858                 } else if (t->std & V4L2_STD_SECAM_L) {
 859                         config |= TEMIC_SET_PAL_L;
 860
 861                 }
 862                 break;
 863
 864         case TUNER_PHILIPS_FQ1216ME:
 865                 config &= ~0x0f;
 866
 867                 if (t->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) {
 868                         config |= PHILIPS_SET_PAL_BGDK;
 869
 870                 } else if (t->std & V4L2_STD_PAL_I) {
 871                         config |= PHILIPS_SET_PAL_I;
 872
 873                 } else if (t->std & V4L2_STD_SECAM_L) {
 874                         config |= PHILIPS_SET_PAL_L;
 875
 876                 }
 877                 break;
 878
 879         case TUNER_PHILIPS_ATSC:
 880                 /* 0x00 -> ATSC antenna input 1 */
 881                 /* 0x01 -> ATSC antenna input 2 */
 882                 /* 0x02 -> NTSC antenna input 1 */
 883                 /* 0x03 -> NTSC antenna input 2 */
 884                 config &= ~0x03;
 885                 if (t->std & V4L2_STD_ATSC)
 886                         config |= 2;
 887                 /* FIXME: input */
 888                 break;
 889         }
 890
 891
 892         /*
 893          * Philips FI1216MK2 remark from specification :
 894          * for channel selection involving band switching, and to ensure
 895          * smooth tuning to the desired channel without causing
 896          * unnecessary charge pump action, it is recommended to consider
 897          * the difference between wanted channel frequency and the
 898          * current channel frequency.  Unnecessary charge pump action
 899          * will result in very low tuning voltage which may drive the
 900          * oscillator to extreme conditions.
 901          *
 902          * Progfou: specification says to send config data before
 903          * frequency in case (wanted frequency < current frequency).
 904          */
 905
 906         div=freq + tun->IFPCoff;
 907         if (t->type == TUNER_PHILIPS_SECAM && freq < t->freq) {
 908                 buffer[0] = tun->config;
 909                 buffer[1] = config;
 910                 buffer[2] = (div>>8) & 0x7f;
 911                 buffer[3] = div      & 0xff;
 912         } else {
 913                 buffer[0] = (div>>8) & 0x7f;
 914                 buffer[1] = div      & 0xff;
 915                 buffer[2] = tun->config;
 916                 buffer[3] = config;
 917         }
 918         dprintk("tuner: tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
 919                 buffer[0],buffer[1],buffer[2],buffer[3]);
 920
 921         if (4 != (rc = i2c_master_send(c,buffer,4)))
 922                 printk("tuner: i2c i/o error: rc == %d (should be 4)\n",rc);
 923
 924 }
 925
 926 static void default_set_radio_freq(struct i2c_client *c, unsigned int freq)
 927 {
 928         struct tunertype *tun;
 929         struct tuner *t = i2c_get_clientdata(c);
 930         unsigned char buffer[4];
 931         unsigned div;
 932         int rc;
 933
 934         tun=&tuners[t->type];
 935         div = freq + (int)(16*10.7);
 936         buffer[0] = (div>>8) & 0x7f;
 937         buffer[1] = div      & 0xff;
 938         buffer[2] = tun->config;
 939         switch (t->type) {
 940         case TUNER_PHILIPS_FM1216ME_MK3:
 941         case TUNER_PHILIPS_FM1236_MK3:
 942                 buffer[3] = 0x19;
 943                 break;
 944         case TUNER_LG_PAL_FM:
 945                 buffer[3] = 0xa5;
 946                 break;
 947         default:
 948                 buffer[3] = 0xa4;
 949                 break;
 950         }
 951
 952         dprintk("tuner: radio 0x%02x 0x%02x 0x%02x 0x%02x\n",
 953                 buffer[0],buffer[1],buffer[2],buffer[3]);
 954
 955         if (4 != (rc = i2c_master_send(c,buffer,4)))
 956                 printk("tuner: i2c i/o error: rc == %d (should be 4)\n",rc);
 957 }
 958
 959 /* ---------------------------------------------------------------------- */
 960
 961 // Set tuner frequency,  freq in Units of 62.5kHz = 1/16MHz
 962 static void set_tv_freq(struct i2c_client *c, unsigned int freq)
 963 {
 964         struct tuner *t = i2c_get_clientdata(c);
 965
 966         if (t->type == UNSET) {
 967                 printk("tuner: tuner type not set\n");
 968                 return;
 969         }
 970         if (NULL == t->tv_freq) {
 971                 printk("tuner: Huh? tv_set is NULL?\n");
 972                 return;
 973         }
 974         if (freq < tv_range[0]*16 || freq > tv_range[1]*16) {
 975                 /* FIXME: better do that chip-specific, but
 976                    right now we don't have that in the config
 977                    struct and this way is still better than no
 978                    check at all */
 979                 printk("tuner: TV freq (%d.%02d) out of range (%d-%d)\n",
 980                        freq/16,freq%16*100/16,tv_range[0],tv_range[1]);
 981                 return;
 982         }
 983         t->tv_freq(c,freq);
 984 }
 985
 986 static void set_radio_freq(struct i2c_client *c, unsigned int freq)
 987 {
 988         struct tuner *t = i2c_get_clientdata(c);
 989
 990         if (t->type == UNSET) {
 991                 printk("tuner: tuner type not set\n");
 992                 return;
 993         }
 994         if (NULL == t->radio_freq) {
 995                 printk("tuner: no radio tuning for this one, sorry.\n");
 996                 return;
 997         }
 998         if (freq < radio_range[0]*16 || freq > radio_range[1]*16) {
 999                 printk("tuner: radio freq (%d.%02d) out of range (%d-%d)\n",
1000                        freq/16,freq%16*100/16,
1001                        radio_range[0],radio_range[1]);
1002                 return;
1003         }
1004         t->radio_freq(c,freq);
1005 }
1006
1007 static void set_freq(struct i2c_client *c, unsigned long freq)
1008 {
1009         struct tuner *t = i2c_get_clientdata(c);
1010
1011         if (t->radio) {
1012                 dprintk("tuner: radio freq set to %lu.%02lu\n",
1013                         freq/16,freq%16*100/16);
1014                 set_radio_freq(c,freq);
1015         } else {
1016                 dprintk("tuner: tv freq set to %lu.%02lu\n",
1017                         freq/16,freq%16*100/16);
1018                 set_tv_freq(c, freq);
1019         }
1020         t->freq = freq;
1021 }
1022
1023 static void set_type(struct i2c_client *c, unsigned int type, char *source)
1024 {
1025         struct tuner *t = i2c_get_clientdata(c);
1026
1027         if (t->type != UNSET) {
1028                 if (t->type != type)
1029                         printk("tuner: type already set to %d, "
1030                                "ignoring request for %d\n", t->type, type);
1031                 return;
1032         }
1033         if (type >= TUNERS)
1034                 return;
1035
1036         t->type = type;
1037         printk("tuner: type set to %d (%s) by %s\n",
1038                t->type,tuners[t->type].name, source);
1039         strlcpy(c->name, tuners[t->type].name, sizeof(c->name));
1040
1041         switch (t->type) {
1042         case TUNER_MT2032:
1043                 microtune_init(c);
1044                 break;
1045         default:
1046                 t->tv_freq    = default_set_tv_freq;
1047                 t->radio_freq = default_set_radio_freq;
1048                 break;
1049         }
1050 }
1051
1052 static char *pal = "-";
1053 MODULE_PARM(pal,"s");
1054
1055 static int tuner_fixup_std(struct tuner *t)
1056 {
1057         if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) {
1058                 /* get more precise norm info from insmod option */
1059                 switch (pal[0]) {
1060                 case 'b':
1061                 case 'B':
1062                 case 'g':
1063                 case 'G':
1064                         dprintk("insmod fixup: PAL => PAL-BG\n");
1065                         t->std = V4L2_STD_PAL_BG;
1066                         break;
1067                 case 'i':
1068                 case 'I':
1069                         dprintk("insmod fixup: PAL => PAL-I\n");
1070                         t->std = V4L2_STD_PAL_I;
1071                         break;
1072                 case 'd':
1073                 case 'D':
1074                 case 'k':
1075                 case 'K':
1076                         dprintk("insmod fixup: PAL => PAL-DK\n");
1077                         t->std = V4L2_STD_PAL_DK;
1078                         break;
1079                 }
1080         }
1081         return 0;
1082 }
1083
1084 /* ---------------------------------------------------------------------- */
1085
1086 static int tuner_attach(struct i2c_adapter *adap, int addr, int kind)
1087 {
1088         struct tuner *t;
1089         struct i2c_client *client;
1090
1091         if (this_adap > 0)
1092                 return -1;
1093         this_adap++;
1094
1095         client_template.adapter = adap;
1096         client_template.addr = addr;
1097
1098         printk("tuner: chip found at addr 0x%x i2c-bus %s\n",
1099                addr<<1, adap->name);
1100
1101         if (NULL == (client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL)))
1102                 return -ENOMEM;
1103         memcpy(client,&client_template,sizeof(struct i2c_client));
1104         t = kmalloc(sizeof(struct tuner),GFP_KERNEL);
1105         if (NULL == t) {
1106                 kfree(client);
1107                 return -ENOMEM;
1108         }
1109         memset(t,0,sizeof(struct tuner));
1110         i2c_set_clientdata(client, t);
1111         t->type       = UNSET;
1112         t->radio_if2  = 10700*1000; // 10.7MHz - FM radio
1113
1114         i2c_attach_client(client);
1115         if (type < TUNERS) {
1116                 set_type(client, type, "insmod option");
1117                 printk("tuner: The type=<n> insmod option will go away soon.\n");
1118                 printk("tuner: Please use the tuner=<n> option provided by\n");
1119                 printk("tuner: tv aard core driver (bttv, saa7134, ...) instead.\n");
1120         }
1121         return 0;
1122 }
1123
1124 static int tuner_probe(struct i2c_adapter *adap)
1125 {
1126         if (0 != addr) {
1127                 normal_i2c_range[0] = addr;
1128                 normal_i2c_range[1] = addr;
1129         }
1130         this_adap = 0;
1131
1132 #ifdef I2C_CLASS_TV_ANALOG
1133         if (adap->class & I2C_CLASS_TV_ANALOG)
1134                 return i2c_probe(adap, &addr_data, tuner_attach);
1135 #else
1136         switch (adap->id) {
1137         case I2C_ALGO_BIT | I2C_HW_SMBUS_VOODOO3:
1138         case I2C_ALGO_BIT | I2C_HW_B_BT848:
1139         case I2C_ALGO_BIT | I2C_HW_B_RIVA:
1140         case I2C_ALGO_SAA7134:
1141         case I2C_ALGO_SAA7146:
1142                 return i2c_probe(adap, &addr_data, tuner_attach);
1143                 break;
1144         }
1145 #endif
1146         return 0;
1147 }
1148
1149 static int tuner_detach(struct i2c_client *client)
1150 {
1151         struct tuner *t = i2c_get_clientdata(client);
1152
1153         i2c_detach_client(client);
1154         kfree(t);
1155         kfree(client);
1156         return 0;
1157 }
1158
1159 #define SWITCH_V4L2     if (!t->using_v4l2 && debug) \
1160                           printk("tuner: switching to v4l2\n"); \
1161                           t->using_v4l2 = 1;
1162 #define CHECK_V4L2      if (t->using_v4l2) { if (debug) \
1163                           printk("tuner: ignore v4l1 call\n"); \
1164                           return 0; }
1165
1166 static int
1167 tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
1168 {
1169         struct tuner *t = i2c_get_clientdata(client);
1170         unsigned int *iarg = (int*)arg;
1171
1172         switch (cmd) {
1173
1174         /* --- configuration --- */
1175         case TUNER_SET_TYPE:
1176                 set_type(client,*iarg,client->adapter->name);
1177                 break;
1178         case AUDC_SET_RADIO:
1179                 if (!t->radio) {
1180                         set_tv_freq(client,400 * 16);
1181                         t->radio = 1;
1182                 }
1183                 break;
1184         case AUDC_CONFIG_PINNACLE:
1185                 switch (*iarg) {
1186                 case 2:
1187                         dprintk("tuner: pinnacle pal\n");
1188                         t->radio_if2 = 33300 * 1000;
1189                         break;
1190                 case 3:
1191                         dprintk("tuner: pinnacle ntsc\n");
1192                         t->radio_if2 = 41300 * 1000;
1193                         break;
1194                 }
1195                 break;
1196
1197         /* --- v4l ioctls --- */
1198         /* take care: bttv does userspace copying, we'll get a
1199            kernel pointer here... */
1200         case VIDIOCSCHAN:
1201         {
1202                 static const v4l2_std_id map[] = {
1203                         [ VIDEO_MODE_PAL   ] = V4L2_STD_PAL,
1204                         [ VIDEO_MODE_NTSC  ] = V4L2_STD_NTSC_M,
1205                         [ VIDEO_MODE_SECAM ] = V4L2_STD_SECAM,
1206                         [ 4 /* bttv */     ] = V4L2_STD_PAL_M,
1207                         [ 5 /* bttv */     ] = V4L2_STD_PAL_N,
1208                         [ 6 /* bttv */     ] = V4L2_STD_NTSC_M_JP,
1209                 };
1210                 struct video_channel *vc = arg;
1211
1212                 CHECK_V4L2;
1213                 t->radio = 0;
1214                 if (vc->norm < ARRAY_SIZE(map))
1215                         t->std = map[vc->norm];
1216                 tuner_fixup_std(t);
1217                 if (t->freq)
1218                         set_tv_freq(client,t->freq);
1219                 return 0;
1220         }
1221         case VIDIOCSFREQ:
1222         {
1223                 unsigned long *v = arg;
1224
1225                 CHECK_V4L2;
1226                 set_freq(client,*v);
1227                 return 0;
1228         }
1229         case VIDIOCGTUNER:
1230         {
1231                 struct video_tuner *vt = arg;
1232
1233                 CHECK_V4L2;
1234                 if (t->radio)
1235                         vt->signal = tuner_signal(client);
1236                 return 0;
1237         }
1238         case VIDIOCGAUDIO:
1239         {
1240                 struct video_audio *va = arg;
1241
1242                 CHECK_V4L2;
1243                 if (t->radio)
1244                         va->mode = (tuner_stereo(client) ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO);
1245                 return 0;
1246         }
1247
1248         case VIDIOC_S_STD:
1249         {
1250                 v4l2_std_id *id = arg;
1251
1252                 SWITCH_V4L2;
1253                 t->radio = 0;
1254                 t->std = *id;
1255                 tuner_fixup_std(t);
1256                 if (t->freq)
1257                         set_freq(client,t->freq);
1258                 break;
1259         }
1260         case VIDIOC_S_FREQUENCY:
1261         {
1262                 struct v4l2_frequency *f = arg;
1263
1264                 SWITCH_V4L2;
1265                 if (V4L2_TUNER_ANALOG_TV == f->type) {
1266                         t->radio = 0;
1267                 }
1268                 if (V4L2_TUNER_RADIO == f->type) {
1269                         if (!t->radio) {
1270                                 set_tv_freq(client,400*16);
1271                                 t->radio = 1;
1272                         }
1273                 }
1274                 t->freq  = f->frequency;
1275                 set_freq(client,t->freq);
1276                 break;
1277         }
1278         case VIDIOC_G_TUNER:
1279         {
1280                 struct v4l2_tuner *tuner = arg;
1281
1282                 SWITCH_V4L2;
1283                 if (t->radio)
1284                         tuner->signal = tuner_signal(client);
1285                 break;
1286         }
1287         default:
1288                 /* nothing */
1289                 break;
1290         }
1291
1292         return 0;
1293 }
1294
1295 /* ----------------------------------------------------------------------- */
1296
1297 static struct i2c_driver driver = {
1298         .owner          = THIS_MODULE,
1299         .name           = "i2c TV tuner driver",
1300         .id             = I2C_DRIVERID_TUNER,
1301         .flags          = I2C_DF_NOTIFY,
1302         .attach_adapter = tuner_probe,
1303         .detach_client  = tuner_detach,
1304         .command        = tuner_command,
1305 };
1306 static struct i2c_client client_template =
1307 {
1308         I2C_DEVNAME("(tuner unset)"),
1309         .flags      = I2C_CLIENT_ALLOW_USE,
1310         .driver     = &driver,
1311 };
1312
1313 static int __init tuner_init_module(void)
1314 {
1315         return i2c_add_driver(&driver);
1316 }
1317
1318 static void __exit tuner_cleanup_module(void)
1319 {
1320         i2c_del_driver(&driver);
1321 }
1322
1323 module_init(tuner_init_module);
1324 module_exit(tuner_cleanup_module);
1325
1326 /*
1327  * Overrides for Emacs so that we follow Linus's tabbing style.
1328  * ---------------------------------------------------------------------------
1329  * Local variables:
1330  * c-basic-offset: 8
1331  * End:
1332  */