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425 giacomo 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
/* insmod options */
24
static int debug =  0;
25
static int type  = -1;
26
static int addr  =  0;
27
static char *pal =  "b";
28
static int tv_range[2]    = { 44, 958 };
29
static int radio_range[2] = { 65, 108 };
30
MODULE_PARM(debug,"i");
31
MODULE_PARM(type,"i");
32
MODULE_PARM(addr,"i");
33
MODULE_PARM(tv_range,"2i");
34
MODULE_PARM(radio_range,"2i");
35
MODULE_PARM(pal,"s");
36
 
37
#define optimize_vco 1
38
 
39
MODULE_DESCRIPTION("device driver for various TV and TV+FM radio tuners");
40
MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer");
41
MODULE_LICENSE("GPL");
42
 
43
static int this_adap;
44
#define dprintk     if (debug) printk
45
 
46
struct tuner
47
{
48
        int type;            /* chip type */
49
        int freq;            /* keep track of the current settings */
50
        int std;
51
 
52
        int radio;
53
        int mode;            /* current norm for multi-norm tuners */
54
        int xogc;            // only for MT2032
55
};
56
 
57
static struct i2c_driver driver;
58
static struct i2c_client client_template;
59
 
60
/* ---------------------------------------------------------------------- */
61
 
62
/* tv standard selection for Temic 4046 FM5
63
   this value takes the low bits of control byte 2
64
   from datasheet Rev.01, Feb.00
65
     standard     BG      I       L       L2      D
66
     picture IF   38.9    38.9    38.9    33.95   38.9
67
     sound 1      33.4    32.9    32.4    40.45   32.4
68
     sound 2      33.16  
69
     NICAM        33.05   32.348  33.05           33.05
70
 */
71
#define TEMIC_SET_PAL_I         0x05
72
#define TEMIC_SET_PAL_DK        0x09
73
#define TEMIC_SET_PAL_L         0x0a // SECAM ?
74
#define TEMIC_SET_PAL_L2        0x0b // change IF !
75
#define TEMIC_SET_PAL_BG        0x0c
76
 
77
/* tv tuner system standard selection for Philips FQ1216ME
78
   this value takes the low bits of control byte 2
79
   from datasheet "1999 Nov 16" (supersedes "1999 Mar 23")
80
     standard           BG      DK      I       L       L`
81
     picture carrier    38.90   38.90   38.90   38.90   33.95
82
     colour             34.47   34.47   34.47   34.47   38.38
83
     sound 1            33.40   32.40   32.90   32.40   40.45
84
     sound 2            33.16   -       -       -       -
85
     NICAM              33.05   33.05   32.35   33.05   39.80
86
 */
87
#define PHILIPS_SET_PAL_I       0x01 /* Bit 2 always zero !*/
88
#define PHILIPS_SET_PAL_BGDK    0x09
89
#define PHILIPS_SET_PAL_L2      0x0a
90
#define PHILIPS_SET_PAL_L       0x0b    
91
 
92
/* system switching for Philips FI1216MF MK2
93
   from datasheet "1996 Jul 09",
94
    standard         BG     L      L'
95
    picture carrier  38.90  38.90  33.95
96
    colour           34.47  34.37  38.38
97
    sound 1          33.40  32.40  40.45
98
    sound 2          33.16  -      -
99
    NICAM            33.05  33.05  39.80
100
 */
101
#define PHILIPS_MF_SET_BG       0x01 /* Bit 2 must be zero, Bit 3 is system output */
102
#define PHILIPS_MF_SET_PAL_L    0x03 // France
103
#define PHILIPS_MF_SET_PAL_L2   0x02 // L'
104
 
105
 
106
/* ---------------------------------------------------------------------- */
107
 
108
struct tunertype
109
{
110
        char *name;
111
        unsigned char Vendor;
112
        unsigned char Type;
113
 
114
        unsigned short thresh1;  /*  band switch VHF_LO <=> VHF_HI  */
115
        unsigned short thresh2;  /*  band switch VHF_HI <=> UHF     */
116
        unsigned char VHF_L;
117
        unsigned char VHF_H;
118
        unsigned char UHF;
119
        unsigned char config;
120
        unsigned short IFPCoff; /* 622.4=16*38.90 MHz PAL,
121
                                   732  =16*45.75 NTSCi,
122
                                   940  =58.75 NTSC-Japan */
123
};
124
 
125
/*
126
 *      The floats in the tuner struct are computed at compile time
127
 *      by gcc and cast back to integers. Thus we don't violate the
128
 *      "no float in kernel" rule.
129
 */
130
static struct tunertype tuners[] = {
131
        { "Temic PAL (4002 FH5)", TEMIC, PAL,
132
          16*140.25,16*463.25,0x02,0x04,0x01,0x8e,623},
133
        { "Philips PAL_I (FI1246 and compatibles)", Philips, PAL_I,
134
          16*140.25,16*463.25,0xa0,0x90,0x30,0x8e,623},
135
        { "Philips NTSC (FI1236,FM1236 and compatibles)", Philips, NTSC,
136
          16*157.25,16*451.25,0xA0,0x90,0x30,0x8e,732},
137
        { "Philips (SECAM+PAL_BG) (FI1216MF, FM1216MF, FR1216MF)", Philips, SECAM,
138
          16*168.25,16*447.25,0xA7,0x97,0x37,0x8e,623},
139
 
140
        { "NoTuner", NoTuner, NOTUNER,
141
          0,0,0x00,0x00,0x00,0x00,0x00},
142
        { "Philips PAL_BG (FI1216 and compatibles)", Philips, PAL,
143
          16*168.25,16*447.25,0xA0,0x90,0x30,0x8e,623},
144
        { "Temic NTSC (4032 FY5)", TEMIC, NTSC,
145
          16*157.25,16*463.25,0x02,0x04,0x01,0x8e,732},
146
        { "Temic PAL_I (4062 FY5)", TEMIC, PAL_I,
147
          16*170.00,16*450.00,0x02,0x04,0x01,0x8e,623},
148
 
149
        { "Temic NTSC (4036 FY5)", TEMIC, NTSC,
150
          16*157.25,16*463.25,0xa0,0x90,0x30,0x8e,732},
151
        { "Alps HSBH1", TEMIC, NTSC,
152
          16*137.25,16*385.25,0x01,0x02,0x08,0x8e,732},
153
        { "Alps TSBE1",TEMIC,PAL,
154
          16*137.25,16*385.25,0x01,0x02,0x08,0x8e,732},
155
        { "Alps TSBB5", Alps, PAL_I, /* tested (UK UHF) with Modulartech MM205 */
156
          16*133.25,16*351.25,0x01,0x02,0x08,0x8e,632},
157
 
158
        { "Alps TSBE5", Alps, PAL, /* untested - data sheet guess. Only IF differs. */
159
          16*133.25,16*351.25,0x01,0x02,0x08,0x8e,622},
160
        { "Alps TSBC5", Alps, PAL, /* untested - data sheet guess. Only IF differs. */
161
          16*133.25,16*351.25,0x01,0x02,0x08,0x8e,608},
162
        { "Temic PAL_BG (4006FH5)", TEMIC, PAL,
163
          16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
164
        { "Alps TSCH6",Alps,NTSC,
165
          16*137.25,16*385.25,0x14,0x12,0x11,0x8e,732},
166
 
167
        { "Temic PAL_DK (4016 FY5)",TEMIC,PAL,
168
          16*168.25,16*456.25,0xa0,0x90,0x30,0x8e,623},
169
        { "Philips NTSC_M (MK2)",Philips,NTSC,
170
          16*160.00,16*454.00,0xa0,0x90,0x30,0x8e,732},
171
        { "Temic PAL_I (4066 FY5)", TEMIC, PAL_I,
172
          16*169.00, 16*454.00, 0xa0,0x90,0x30,0x8e,623},
173
        { "Temic PAL* auto (4006 FN5)", TEMIC, PAL,
174
          16*169.00, 16*454.00, 0xa0,0x90,0x30,0x8e,623},
175
 
176
        { "Temic PAL_BG (4009 FR5) or PAL_I (4069 FR5)", TEMIC, PAL,
177
          16*141.00, 16*464.00, 0xa0,0x90,0x30,0x8e,623},
178
        { "Temic NTSC (4039 FR5)", TEMIC, NTSC,
179
          16*158.00, 16*453.00, 0xa0,0x90,0x30,0x8e,732},
180
        { "Temic PAL/SECAM multi (4046 FM5)", TEMIC, PAL,
181
          16*169.00, 16*454.00, 0xa0,0x90,0x30,0x8e,623},
182
        { "Philips PAL_DK (FI1256 and compatibles)", Philips, PAL,
183
          16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
184
 
185
        { "Philips PAL/SECAM multi (FQ1216ME)", Philips, PAL,
186
          16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
187
        { "LG PAL_I+FM (TAPC-I001D)", LGINNOTEK, PAL_I,
188
          16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
189
        { "LG PAL_I (TAPC-I701D)", LGINNOTEK, PAL_I,
190
          16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
191
        { "LG NTSC+FM (TPI8NSR01F)", LGINNOTEK, NTSC,
192
          16*210.00,16*497.00,0xa0,0x90,0x30,0x8e,732},
193
 
194
        { "LG PAL_BG+FM (TPI8PSB01D)", LGINNOTEK, PAL,
195
          16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
196
        { "LG PAL_BG (TPI8PSB11D)", LGINNOTEK, PAL,
197
          16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
198
        { "Temic PAL* auto + FM (4009 FN5)", TEMIC, PAL,
199
          16*141.00, 16*464.00, 0xa0,0x90,0x30,0x8e,623},
200
        { "SHARP NTSC_JP (2U5JF5540)", SHARP, NTSC, /* 940=16*58.75 NTSC@Japan */
201
          16*137.25,16*317.25,0x01,0x02,0x08,0x8e,732 }, // Corrected to NTSC=732 (was:940)
202
 
203
        { "Samsung PAL TCPM9091PD27", Samsung, PAL,  /* from sourceforge v3tv */
204
          16*169,16*464,0xA0,0x90,0x30,0x8e,623},
205
        { "MT2032 universal", Microtune,PAL|NTSC,
206
               0,0,0,0,0,0,0},
207
        { "Temic PAL_BG (4106 FH5)", TEMIC, PAL,
208
          16*141.00, 16*464.00, 0xa0,0x90,0x30,0x8e,623},
209
        { "Temic PAL_DK/SECAM_L (4012 FY5)", TEMIC, PAL,
210
          16*140.25, 16*463.25, 0x02,0x04,0x01,0x8e,623},
211
 
212
        { "Temic NTSC (4136 FY5)", TEMIC, NTSC,
213
          16*158.00, 16*453.00, 0xa0,0x90,0x30,0x8e,732},
214
        { "LG PAL (newer TAPC series)", LGINNOTEK, PAL,
215
          16*170.00, 16*450.00, 0x01,0x02,0x08,0x8e,623},
216
        { "Philips PAL/SECAM multi (FM1216ME MK3)", Philips, PAL,
217
          16*160.00,16*442.00,0x01,0x02,0x04,0x8e,623 },
218
        { "LG NTSC (newer TAPC series)", LGINNOTEK, NTSC,
219
          16*170.00, 16*450.00, 0x01,0x02,0x08,0x8e,732},
220
};
221
#define TUNERS (sizeof(tuners)/sizeof(struct tunertype))
222
 
223
/* ---------------------------------------------------------------------- */
224
 
225
static int tuner_getstatus(struct i2c_client *c)
226
{
227
        unsigned char byte;
228
 
229
        struct tuner *t = (struct tuner*)c->data;
230
 
231
        if (t->type == TUNER_MT2032)
232
                return 0;
233
 
234
        if (1 != i2c_master_recv(c,&byte,1))
235
                return 0;
236
        return byte;
237
}
238
 
239
#define TUNER_POR       0x80
240
#define TUNER_FL        0x40
241
#define TUNER_MODE      0x38
242
#define TUNER_AFC       0x07
243
 
244
#define TUNER_STEREO    0x10 /* radio mode */
245
#define TUNER_SIGNAL    0x07 /* radio mode */
246
 
247
static int tuner_signal(struct i2c_client *c)
248
{
249
        return (tuner_getstatus(c) & TUNER_SIGNAL)<<13;
250
}
251
 
252
static int tuner_stereo(struct i2c_client *c)
253
{
254
        return (tuner_getstatus (c) & TUNER_STEREO);
255
}
256
 
257
#if 0 /* unused */
258
static int tuner_islocked (struct i2c_client *c)
259
{
260
        return (tuner_getstatus (c) & TUNER_FL);
261
}
262
 
263
static int tuner_afcstatus (struct i2c_client *c)
264
{
265
        return (tuner_getstatus (c) & TUNER_AFC) - 2;
266
}
267
 
268
static int tuner_mode (struct i2c_client *c)
269
{
270
        return (tuner_getstatus (c) & TUNER_MODE) >> 3;
271
}
272
#endif
273
 
274
// Initalization as described in "MT203x Programming Procedures", Rev 1.2, Feb.2001
275
static int mt2032_init(struct i2c_client *c)
276
{
277
        unsigned char buf[21];
278
        int ret,xogc,xok=0;
279
        struct tuner *t = (struct tuner*)c->data;
280
 
281
        buf[0]=0;
282
        ret=i2c_master_send(c,buf,1);
283
        i2c_master_recv(c,buf,21);
284
 
285
        printk("MT2032: Companycode=%02x%02x Part=%02x Revision=%02x\n",
286
                buf[0x11],buf[0x12],buf[0x13],buf[0x14]);
287
 
288
        if(debug) {
289
                int i;
290
                printk("MT2032 hexdump:\n");
291
                for(i=0;i<21;i++) {
292
                        printk(" %02x",buf[i]);
293
                        if(((i+1)%8)==0) printk(" ");
294
                        if(((i+1)%16)==0) printk("\n ");
295
                }
296
                printk("\n ");
297
        }
298
        // Look for MT2032 id:
299
        // part= 0x04(MT2032), 0x06(MT2030), 0x07(MT2040)
300
        if((buf[0x11] != 0x4d) || (buf[0x12] != 0x54) || (buf[0x13] != 0x04)) {
301
                printk("not a MT2032.\n");
302
                return 0;
303
        }
304
 
305
 
306
        // Initialize Registers per spec.
307
        buf[1]=2; // Index to register 2
308
        buf[2]=0xff;
309
        buf[3]=0x0f;
310
        buf[4]=0x1f;
311
        ret=i2c_master_send(c,buf+1,4);
312
 
313
        buf[5]=6; // Index register 6
314
        buf[6]=0xe4;
315
        buf[7]=0x8f;
316
        buf[8]=0xc3;
317
        buf[9]=0x4e;
318
        buf[10]=0xec;
319
        ret=i2c_master_send(c,buf+5,6);
320
 
321
        buf[12]=13;  // Index register 13
322
        buf[13]=0x32;
323
        ret=i2c_master_send(c,buf+12,2);
324
 
325
        // Adjust XOGC (register 7), wait for XOK
326
        xogc=7;
327
        do {
328
                dprintk("mt2032: xogc = 0x%02x\n",xogc&0x07);
329
                mdelay(10);
330
                buf[0]=0x0e;
331
                i2c_master_send(c,buf,1);
332
                i2c_master_recv(c,buf,1);
333
                xok=buf[0]&0x01;
334
                dprintk("mt2032: xok = 0x%02x\n",xok);
335
                if (xok == 1) break;
336
 
337
                xogc--;
338
                dprintk("mt2032: xogc = 0x%02x\n",xogc&0x07);
339
                if (xogc == 3) {
340
                        xogc=4; // min. 4 per spec
341
                        break;
342
                }
343
                buf[0]=0x07;
344
                buf[1]=0x88 + xogc;
345
                ret=i2c_master_send(c,buf,2);
346
                if (ret!=2)
347
                        printk("mt2032_init failed with %d\n",ret);
348
        } while (xok != 1 );
349
        t->xogc=xogc;
350
 
351
        return(1);
352
}
353
 
354
 
355
// IsSpurInBand()?
356
static int mt2032_spurcheck(int f1, int f2, int spectrum_from,int spectrum_to)
357
{
358
        int n1=1,n2,f;
359
 
360
        f1=f1/1000; //scale to kHz to avoid 32bit overflows
361
        f2=f2/1000;
362
        spectrum_from/=1000;
363
        spectrum_to/=1000;
364
 
365
        dprintk("spurcheck f1=%d f2=%d  from=%d to=%d\n",f1,f2,spectrum_from,spectrum_to);
366
 
367
        do {
368
            n2=-n1;
369
            f=n1*(f1-f2);
370
            do {
371
                n2--;
372
                f=f-f2;
373
                dprintk(" spurtest n1=%d n2=%d ftest=%d\n",n1,n2,f);
374
 
375
                if( (f>spectrum_from) && (f<spectrum_to))
376
                        printk("mt2032 spurcheck triggered: %d\n",n1);
377
            } while ( (f>(f2-spectrum_to)) || (n2>-5));
378
            n1++;
379
        } while (n1<5);
380
 
381
        return 1;
382
}
383
 
384
static int mt2032_compute_freq(int rfin, int if1, int if2, int spectrum_from,
385
        int spectrum_to, unsigned char *buf, int *ret_sel, int xogc) //all in Hz
386
{
387
        int fref,lo1,lo1n,lo1a,s,sel,lo1freq, desired_lo1,
388
                desired_lo2,lo2,lo2n,lo2a,lo2num,lo2freq;
389
 
390
        fref= 5250 *1000; //5.25MHz
391
        desired_lo1=rfin+if1;
392
 
393
        lo1=(2*(desired_lo1/1000)+(fref/1000)) / (2*fref/1000);
394
        lo1n=lo1/8;
395
        lo1a=lo1-(lo1n*8);
396
 
397
        s=rfin/1000/1000+1090;
398
 
399
        if(optimize_vco) {
400
                if(s>1890) sel=0;
401
                else if(s>1720) sel=1;
402
                else if(s>1530) sel=2;
403
                else if(s>1370) sel=3;
404
                else sel=4; // >1090
405
        }
406
        else {
407
                if(s>1790) sel=0; // <1958
408
                else if(s>1617) sel=1;
409
                else if(s>1449) sel=2;
410
                else if(s>1291) sel=3;
411
                else sel=4; // >1090
412
        }
413
        *ret_sel=sel;
414
 
415
        lo1freq=(lo1a+8*lo1n)*fref;
416
 
417
        dprintk("mt2032: rfin=%d lo1=%d lo1n=%d lo1a=%d sel=%d, lo1freq=%d\n",
418
                rfin,lo1,lo1n,lo1a,sel,lo1freq);
419
 
420
        desired_lo2=lo1freq-rfin-if2;
421
        lo2=(desired_lo2)/fref;
422
        lo2n=lo2/8;
423
        lo2a=lo2-(lo2n*8);
424
        lo2num=((desired_lo2/1000)%(fref/1000))* 3780/(fref/1000); //scale to fit in 32bit arith
425
        lo2freq=(lo2a+8*lo2n)*fref + lo2num*(fref/1000)/3780*1000;
426
 
427
        dprintk("mt2032: rfin=%d lo2=%d lo2n=%d lo2a=%d num=%d lo2freq=%d\n",
428
                rfin,lo2,lo2n,lo2a,lo2num,lo2freq);
429
 
430
        if(lo1a<0 || lo1a>7 || lo1n<17 ||lo1n>48 || lo2a<0 ||lo2a >7 ||lo2n<17 || lo2n>30) {
431
                printk("mt2032: frequency parameters out of range: %d %d %d %d\n",
432
                       lo1a, lo1n, lo2a,lo2n);
433
                return(-1);
434
        }
435
 
436
        mt2032_spurcheck(lo1freq, desired_lo2,  spectrum_from, spectrum_to);
437
        // should recalculate lo1 (one step up/down)
438
 
439
        // set up MT2032 register map for transfer over i2c
440
        buf[0]=lo1n-1;
441
        buf[1]=lo1a | (sel<<4);
442
        buf[2]=0x86; // LOGC
443
        buf[3]=0x0f; //reserved
444
        buf[4]=0x1f;
445
        buf[5]=(lo2n-1) | (lo2a<<5);
446
        if(rfin >400*1000*1000)
447
                buf[6]=0xe4;
448
        else
449
                buf[6]=0xf4; // set PKEN per rev 1.2 
450
        buf[7]=8+xogc;
451
        buf[8]=0xc3; //reserved
452
        buf[9]=0x4e; //reserved
453
        buf[10]=0xec; //reserved
454
        buf[11]=(lo2num&0xff);
455
        buf[12]=(lo2num>>8) |0x80; // Lo2RST
456
 
457
        return 0;
458
}
459
 
460
static int mt2032_check_lo_lock(struct i2c_client *c)
461
{
462
        int try,lock=0;
463
        unsigned char buf[2];
464
        for(try=0;try<10;try++) {
465
                buf[0]=0x0e;
466
                i2c_master_send(c,buf,1);
467
                i2c_master_recv(c,buf,1);
468
                dprintk("mt2032 Reg.E=0x%02x\n",buf[0]);
469
                lock=buf[0] &0x06;
470
 
471
                if (lock==6)
472
                        break;
473
 
474
                dprintk("mt2032: pll wait 1ms for lock (0x%2x)\n",buf[0]);
475
                udelay(1000);
476
        }
477
        return lock;
478
}
479
 
480
static int mt2032_optimize_vco(struct i2c_client *c,int sel,int lock)
481
{
482
        unsigned char buf[2];
483
        int tad1;
484
 
485
        buf[0]=0x0f;
486
        i2c_master_send(c,buf,1);
487
        i2c_master_recv(c,buf,1);
488
        dprintk("mt2032 Reg.F=0x%02x\n",buf[0]);
489
        tad1=buf[0]&0x07;
490
 
491
        if(tad1 ==0) return lock;
492
        if(tad1 ==1) return lock;
493
 
494
        if(tad1==2) {
495
                if(sel==0)
496
                        return lock;
497
                else sel--;
498
        }
499
        else {
500
                if(sel<4)
501
                        sel++;
502
                else
503
                        return lock;
504
        }
505
 
506
        dprintk("mt2032 optimize_vco: sel=%d\n",sel);
507
 
508
        buf[0]=0x0f;
509
        buf[1]=sel;
510
        i2c_master_send(c,buf,2);
511
        lock=mt2032_check_lo_lock(c);
512
        return lock;
513
}
514
 
515
 
516
static void mt2032_set_if_freq(struct i2c_client *c,int rfin, int if1, int if2, int from, int to)
517
{
518
        unsigned char buf[21];
519
        int lint_try,ret,sel,lock=0;
520
        struct tuner *t = (struct tuner*)c->data;
521
 
522
        dprintk("mt2032_set_if_freq rfin=%d if1=%d if2=%d from=%d to=%d\n",rfin,if1,if2,from,to);
523
 
524
        buf[0]=0;
525
        ret=i2c_master_send(c,buf,1);
526
        i2c_master_recv(c,buf,21);
527
 
528
        buf[0]=0;
529
        ret=mt2032_compute_freq(rfin,if1,if2,from,to,&buf[1],&sel,t->xogc);
530
        if (ret<0)
531
                return;
532
 
533
        // send only the relevant registers per Rev. 1.2
534
        buf[0]=0;
535
        ret=i2c_master_send(c,buf,4);
536
        buf[5]=5;
537
        ret=i2c_master_send(c,buf+5,4);
538
        buf[11]=11;
539
        ret=i2c_master_send(c,buf+11,3);
540
        if(ret!=3)
541
                printk("mt2032_set_if_freq failed with %d\n",ret);
542
 
543
        // wait for PLLs to lock (per manual), retry LINT if not.
544
        for(lint_try=0; lint_try<2; lint_try++) {
545
                lock=mt2032_check_lo_lock(c);
546
 
547
                if(optimize_vco)
548
                        lock=mt2032_optimize_vco(c,sel,lock);
549
                if(lock==6) break;
550
 
551
                printk("mt2032: re-init PLLs by LINT\n");
552
                buf[0]=7;
553
                buf[1]=0x80 +8+t->xogc; // set LINT to re-init PLLs
554
                i2c_master_send(c,buf,2);
555
                mdelay(10);
556
                buf[1]=8+t->xogc;
557
                i2c_master_send(c,buf,2);
558
        }
559
 
560
        if (lock!=6)
561
                printk("MT2032 Fatal Error: PLLs didn't lock.\n");
562
 
563
        buf[0]=2;
564
        buf[1]=0x20; // LOGC for optimal phase noise
565
        ret=i2c_master_send(c,buf,2);
566
        if (ret!=2)
567
                printk("mt2032_set_if_freq2 failed with %d\n",ret);
568
}
569
 
570
 
571
static void mt2032_set_tv_freq(struct i2c_client *c, int freq, int norm)
572
{
573
        int if2,from,to;
574
 
575
        // signal bandwidth and picture carrier
576
        if(norm==VIDEO_MODE_NTSC) {
577
                from=40750*1000;
578
                to=46750*1000;
579
                if2=45750*1000;
580
        }
581
        else {  // Pal 
582
                from=32900*1000;
583
                to=39900*1000;
584
                if2=38900*1000;
585
        }
586
 
587
        mt2032_set_if_freq(c,freq* 1000*1000/16, 1090*1000*1000, if2, from, to);
588
}
589
 
590
 
591
// Set tuner frequency,  freq in Units of 62.5kHz = 1/16MHz
592
static void set_tv_freq(struct i2c_client *c, int freq)
593
{
594
        u8 config;
595
        u16 div;
596
        struct tunertype *tun;
597
        struct tuner *t = c->data;
598
        unsigned char buffer[4];
599
        int rc;
600
 
601
        if (t->type == -1) {
602
                printk("tuner: tuner type not set\n");
603
                return;
604
        }
605
        if (t->type == TUNER_MT2032) {
606
                mt2032_set_tv_freq(c,freq,t->mode);
607
                return;
608
        }
609
 
610
        if (freq < tv_range[0]*16 || freq > tv_range[1]*16) {
611
                /* FIXME: better do that chip-specific, but
612
                   right now we don't have that in the config
613
                   struct and this way is still better than no
614
                   check at all */
615
                printk("tuner: TV freq (%d.%02d) out of range (%d-%d)\n",
616
                       freq/16,freq%16*100/16,tv_range[0],tv_range[1]);
617
                return;
618
        }
619
 
620
        tun=&tuners[t->type];
621
        if (freq < tun->thresh1)
622
                config = tun->VHF_L;
623
        else if (freq < tun->thresh2)
624
                config = tun->VHF_H;
625
        else
626
                config = tun->UHF;
627
 
628
 
629
        /* tv norm specific stuff for multi-norm tuners */
630
        switch (t->type) {
631
        case TUNER_PHILIPS_SECAM: // FI1216MF
632
                /* 0x01 -> ??? no change ??? */
633
                /* 0x02 -> PAL BDGHI / SECAM L */
634
                /* 0x04 -> ??? PAL others / SECAM others ??? */
635
                config &= ~0x02;
636
                if (t->mode == VIDEO_MODE_SECAM)
637
                        config |= 0x02;
638
                break;
639
 
640
        case TUNER_TEMIC_4046FM5:
641
                config &= ~0x0f;
642
                switch (pal[0]) {
643
                case 'i':
644
                case 'I':
645
                        config |= TEMIC_SET_PAL_I;
646
                        break;
647
                case 'd':
648
                case 'D':
649
                        config |= TEMIC_SET_PAL_DK;
650
                        break;
651
                case 'l':
652
                case 'L':
653
                        config |= TEMIC_SET_PAL_L;
654
                        break;
655
                case 'b':
656
                case 'B':
657
                case 'g':
658
                case 'G':
659
                default:
660
                        config |= TEMIC_SET_PAL_BG;
661
                        break;
662
                }
663
                break;
664
 
665
        case TUNER_PHILIPS_FQ1216ME:
666
                config &= ~0x0f;
667
                switch (pal[0]) {
668
                case 'i':
669
                case 'I':
670
                        config |= PHILIPS_SET_PAL_I;
671
                        break;
672
                case 'l':
673
                case 'L':
674
                        config |= PHILIPS_SET_PAL_L;
675
                        break;
676
                case 'd':
677
                case 'D':
678
                case 'b':
679
                case 'B':
680
                case 'g':
681
                case 'G':
682
                        config |= PHILIPS_SET_PAL_BGDK;
683
                        break;
684
                }
685
                break;
686
        }
687
 
688
 
689
        /*
690
         * Philips FI1216MK2 remark from specification :
691
         * for channel selection involving band switching, and to ensure
692
         * smooth tuning to the desired channel without causing
693
         * unnecessary charge pump action, it is recommended to consider
694
         * the difference between wanted channel frequency and the
695
         * current channel frequency.  Unnecessary charge pump action
696
         * will result in very low tuning voltage which may drive the
697
         * oscillator to extreme conditions.
698
         *
699
         * Progfou: specification says to send config data before
700
         * frequency in case (wanted frequency < current frequency).
701
         */
702
 
703
        div=freq + tun->IFPCoff;
704
        if (t->type == TUNER_PHILIPS_SECAM && freq < t->freq) {
705
                buffer[0] = tun->config;
706
                buffer[1] = config;
707
                buffer[2] = (div>>8) & 0x7f;
708
                buffer[3] = div      & 0xff;
709
        } else {
710
                buffer[0] = (div>>8) & 0x7f;
711
                buffer[1] = div      & 0xff;
712
                buffer[2] = tun->config;
713
                buffer[3] = config;
714
        }
715
        dprintk("tuner: tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
716
                buffer[0],buffer[1],buffer[2],buffer[3]);
717
 
718
        if (4 != (rc = i2c_master_send(c,buffer,4)))
719
                printk("tuner: i2c i/o error: rc == %d (should be 4)\n",rc);
720
 
721
}
722
 
723
static void mt2032_set_radio_freq(struct i2c_client *c,int freq)
724
{              
725
        int if2;
726
 
727
        if2=10700*1000; //  10.7MHz FM intermediate frequency
728
 
729
        // per Manual for FM tuning: first if center freq. 1085 MHz
730
        mt2032_set_if_freq(c,freq* 1000*1000/16, 1085*1000*1000,if2,if2,if2);
731
}
732
 
733
static void set_radio_freq(struct i2c_client *c, int freq)
734
{
735
        struct tunertype *tun;
736
        struct tuner *t = (struct tuner*)c->data;
737
        unsigned char buffer[4];
738
        int rc,div;
739
 
740
        if (freq < radio_range[0]*16 || freq > radio_range[1]*16) {
741
                printk("tuner: radio freq (%d.%02d) out of range (%d-%d)\n",
742
                       freq/16,freq%16*100/16,
743
                       radio_range[0],radio_range[1]);
744
                return;
745
        }
746
        if (t->type == -1) {
747
                printk("tuner: tuner type not set\n");
748
                return;
749
        }
750
 
751
        if (t->type == TUNER_MT2032) {
752
                mt2032_set_radio_freq(c,freq);
753
                return;
754
        }
755
 
756
        tun=&tuners[t->type];
757
        div = freq + (int)(16*10.7);
758
        buffer[0] = (div>>8) & 0x7f;
759
        buffer[1] = div      & 0xff;
760
        buffer[2] = tun->config;
761
        switch (t->type) {
762
        case TUNER_PHILIPS_FM1216ME_MK3:
763
                buffer[3] = 0x19;
764
                break;
765
        default:
766
                buffer[3] = 0xa4;
767
                break;
768
        }
769
 
770
        dprintk("tuner: radio 0x%02x 0x%02x 0x%02x 0x%02x\n",
771
                buffer[0],buffer[1],buffer[2],buffer[3]);
772
 
773
        if (4 != (rc = i2c_master_send(c,buffer,4)))
774
                printk("tuner: i2c i/o error: rc == %d (should be 4)\n",rc);
775
}
776
 
777
/* ---------------------------------------------------------------------- */
778
 
779
static int tuner_attach(struct i2c_adapter *adap, int addr,
780
                        unsigned short flags, int kind)
781
{
782
        struct tuner *t;
783
        struct i2c_client *client;
784
 
785
        if (this_adap > 0)
786
                return -1;
787
        this_adap++;
788
 
789
        client_template.adapter = adap;
790
        client_template.addr = addr;
791
 
792
        printk("tuner: chip found @ 0x%x\n", addr<<1);
793
 
794
        if (NULL == (client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL)))
795
                return -ENOMEM;
796
        memcpy(client,&client_template,sizeof(struct i2c_client));
797
        client->data = t = kmalloc(sizeof(struct tuner),GFP_KERNEL);
798
        if (NULL == t) {
799
                kfree(client);
800
                return -ENOMEM;
801
        }
802
        memset(t,0,sizeof(struct tuner));
803
        if (type >= 0 && type < TUNERS) {
804
                t->type = type;
805
                printk("tuner(bttv): type forced to %d (%s) [insmod]\n",t->type,tuners[t->type].name);
806
                strncpy(client->name, tuners[t->type].name, sizeof(client->name));
807
        } else {
808
                t->type = -1;
809
        }
810
        i2c_attach_client(client);
811
        if (t->type == TUNER_MT2032)
812
                 mt2032_init(client);
813
 
814
        MOD_INC_USE_COUNT;
815
        return 0;
816
}
817
 
818
static int tuner_probe(struct i2c_adapter *adap)
819
{
820
        int rc;
821
 
822
        if (0 != addr) {
823
                normal_i2c_range[0] = addr;
824
                normal_i2c_range[1] = addr;
825
        }
826
        this_adap = 0;
827
        switch (adap->id) {
828
        case I2C_ALGO_BIT | I2C_HW_B_BT848:
829
        case I2C_ALGO_BIT | I2C_HW_B_RIVA:
830
        case I2C_ALGO_SAA7134:
831
        case I2C_ALGO_SAA7146:
832
                printk("tuner: probing %s i2c adapter [id=0x%x]\n",
833
                       adap->name,adap->id);
834
                rc = i2c_probe(adap, &addr_data, tuner_attach);
835
                break;
836
        default:
837
                printk("tuner: ignoring %s i2c adapter [id=0x%x]\n",
838
                       adap->name,adap->id);
839
                rc = 0;
840
                /* nothing */
841
        }
842
        return rc;
843
}
844
 
845
static int tuner_detach(struct i2c_client *client)
846
{
847
        struct tuner *t = (struct tuner*)client->data;
848
 
849
        i2c_detach_client(client);
850
        kfree(t);
851
        kfree(client);
852
        MOD_DEC_USE_COUNT;
853
        return 0;
854
}
855
 
856
static int
857
tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
858
{
859
        struct tuner *t = (struct tuner*)client->data;
860
        int   *iarg = (int*)arg;
861
#if 0
862
        __u16 *sarg = (__u16*)arg;
863
#endif
864
 
865
        switch (cmd) {
866
 
867
        /* --- configuration --- */
868
        case TUNER_SET_TYPE:
869
                if (t->type != -1) {
870
                        printk("tuner: type already set (%d)\n",t->type);
871
                        return 0;
872
                }
873
                if (*iarg < 0 || *iarg >= TUNERS)
874
                        return 0;
875
                t->type = *iarg;
876
                printk("tuner: type set to %d (%s)\n",
877
                        t->type,tuners[t->type].name);
878
                strncpy(client->name, tuners[t->type].name, sizeof(client->name));
879
                if (t->type == TUNER_MT2032)
880
                        mt2032_init(client);
881
                break;
882
        case AUDC_SET_RADIO:
883
                t->radio = 1;
884
                break;
885
 
886
        /* --- v4l ioctls --- */
887
        /* take care: bttv does userspace copying, we'll get a
888
           kernel pointer here... */
889
        case VIDIOCSCHAN:
890
        {
891
                struct video_channel *vc = arg;
892
 
893
                t->radio = 0;
894
                t->mode = vc->norm;
895
                if (t->freq)
896
                        set_tv_freq(client,t->freq);
897
                return 0;
898
        }
899
        case VIDIOCSFREQ:
900
        {
901
                unsigned long *v = arg;
902
 
903
                if (t->radio) {
904
                        dprintk("tuner: radio freq set to %d.%02d\n",
905
                                (*iarg)/16,(*iarg)%16*100/16);
906
                        set_radio_freq(client,*v);
907
                } else {
908
                        dprintk("tuner: tv freq set to %d.%02d\n",
909
                                (*iarg)/16,(*iarg)%16*100/16);
910
                        set_tv_freq(client,*v);
911
                }
912
                t->freq = *v;
913
                return 0;
914
        }
915
        case VIDIOCGTUNER:
916
        {
917
                struct video_tuner *vt = arg;
918
 
919
                if (t->radio)
920
                        vt->signal = tuner_signal(client);
921
                return 0;
922
        }
923
        case VIDIOCGAUDIO:
924
        {
925
                struct video_audio *va = arg;
926
                if (t->radio)
927
                        va->mode = (tuner_stereo(client) ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO);
928
                return 0;
929
        }
930
 
931
#if 0
932
        /* --- old, obsolete interface --- */
933
        case TUNER_SET_TVFREQ:
934
                dprintk("tuner: tv freq set to %d.%02d\n",
935
                        (*iarg)/16,(*iarg)%16*100/16);
936
                set_tv_freq(client,*iarg);
937
                t->radio = 0;
938
                t->freq = *iarg;
939
                break;
940
 
941
        case TUNER_SET_RADIOFREQ:
942
                dprintk("tuner: radio freq set to %d.%02d\n",
943
                        (*iarg)/16,(*iarg)%16*100/16);
944
                set_radio_freq(client,*iarg);
945
                t->radio = 1;
946
                t->freq = *iarg;
947
                break;
948
        case TUNER_SET_MODE:
949
                if (t->type != TUNER_PHILIPS_SECAM) {
950
                        dprintk("tuner: trying to change mode for other than TUNER_PHILIPS_SECAM\n");
951
                } else {
952
                        int mode=(*sarg==VIDEO_MODE_SECAM)?1:0;
953
                        dprintk("tuner: mode set to %d\n", *sarg);
954
                        t->mode = mode;
955
                        set_tv_freq(client,t->freq);
956
                }
957
                break;
958
#endif
959
        default:
960
                /* nothing */
961
                break;
962
        }
963
 
964
        return 0;
965
}
966
 
967
/* ----------------------------------------------------------------------- */
968
 
969
static struct i2c_driver driver = {
970
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,54)
971
        .owner          = THIS_MODULE,
972
#endif
973
        .name           = "i2c TV tuner driver",
974
        .id             = I2C_DRIVERID_TUNER,
975
        .flags          = I2C_DF_NOTIFY,
976
        .attach_adapter = tuner_probe,
977
        .detach_client  = tuner_detach,
978
        .command        = tuner_command,
979
};
980
static struct i2c_client client_template =
981
{
982
        .name   = "(tuner unset)",
983
        .flags  = I2C_CLIENT_ALLOW_USE,
984
        .driver = &driver,
985
};
986
 
987
static int tuner_init_module(void)
988
{
989
        i2c_add_driver(&driver);
990
        return 0;
991
}
992
 
993
static void tuner_cleanup_module(void)
994
{
995
        i2c_del_driver(&driver);
996
}
997
 
998
module_init(tuner_init_module);
999
module_exit(tuner_cleanup_module);
1000
 
1001
/*
1002
 * Overrides for Emacs so that we follow Linus's tabbing style.
1003
 * ---------------------------------------------------------------------------
1004
 * Local variables:
1005
 * c-basic-offset: 8
1006
 * End:
1007
 */