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>
15 #include <media/tuner.h>
16 #include <media/audiochip.h>
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};
26 static unsigned int debug = 0;
27 static unsigned int type = UNSET;
28 static unsigned int addr = 0;
29 static char *pal = "b";
30 static unsigned int tv_range[2] = { 44, 958 };
31 static unsigned int radio_range[2] = { 65, 108 };
32 MODULE_PARM(debug,"i");
33 MODULE_PARM(type,"i");
34 MODULE_PARM(addr,"i");
35 MODULE_PARM(tv_range,"2i");
36 MODULE_PARM(radio_range,"2i");
39 #define optimize_vco 1
41 MODULE_DESCRIPTION("device driver for various TV and TV+FM radio tuners");
42 MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer");
43 MODULE_LICENSE("GPL");
46 #define dprintk if (debug) printk
49 unsigned int type; /* chip type */
50 unsigned int freq; /* keep track of the current settings */
54 unsigned int mode; /* current norm for multi-norm tuners */
59 unsigned int radio_if2;
61 void (*tv_freq)(struct i2c_client *c, unsigned int freq);
62 void (*radio_freq)(struct i2c_client *c, unsigned int freq);
65 static struct i2c_driver driver;
66 static struct i2c_client client_template;
68 /* ---------------------------------------------------------------------- */
70 /* tv standard selection for Temic 4046 FM5
71 this value takes the low bits of control byte 2
72 from datasheet Rev.01, Feb.00
74 picture IF 38.9 38.9 38.9 33.95 38.9
75 sound 1 33.4 32.9 32.4 40.45 32.4
77 NICAM 33.05 32.348 33.05 33.05
79 #define TEMIC_SET_PAL_I 0x05
80 #define TEMIC_SET_PAL_DK 0x09
81 #define TEMIC_SET_PAL_L 0x0a // SECAM ?
82 #define TEMIC_SET_PAL_L2 0x0b // change IF !
83 #define TEMIC_SET_PAL_BG 0x0c
85 /* tv tuner system standard selection for Philips FQ1216ME
86 this value takes the low bits of control byte 2
87 from datasheet "1999 Nov 16" (supersedes "1999 Mar 23")
89 picture carrier 38.90 38.90 38.90 38.90 33.95
90 colour 34.47 34.47 34.47 34.47 38.38
91 sound 1 33.40 32.40 32.90 32.40 40.45
93 NICAM 33.05 33.05 32.35 33.05 39.80
95 #define PHILIPS_SET_PAL_I 0x01 /* Bit 2 always zero !*/
96 #define PHILIPS_SET_PAL_BGDK 0x09
97 #define PHILIPS_SET_PAL_L2 0x0a
98 #define PHILIPS_SET_PAL_L 0x0b
100 /* system switching for Philips FI1216MF MK2
101 from datasheet "1996 Jul 09",
103 picture carrier 38.90 38.90 33.95
104 colour 34.47 34.37 38.38
105 sound 1 33.40 32.40 40.45
107 NICAM 33.05 33.05 39.80
109 #define PHILIPS_MF_SET_BG 0x01 /* Bit 2 must be zero, Bit 3 is system output */
110 #define PHILIPS_MF_SET_PAL_L 0x03 // France
111 #define PHILIPS_MF_SET_PAL_L2 0x02 // L'
114 /* ---------------------------------------------------------------------- */
119 unsigned char Vendor;
122 unsigned short thresh1; /* band switch VHF_LO <=> VHF_HI */
123 unsigned short thresh2; /* band switch VHF_HI <=> UHF */
127 unsigned char config;
128 unsigned short IFPCoff; /* 622.4=16*38.90 MHz PAL,
130 940 =58.75 NTSC-Japan */
134 * The floats in the tuner struct are computed at compile time
135 * by gcc and cast back to integers. Thus we don't violate the
136 * "no float in kernel" rule.
138 static struct tunertype tuners[] = {
139 { "Temic PAL (4002 FH5)", TEMIC, PAL,
140 16*140.25,16*463.25,0x02,0x04,0x01,0x8e,623},
141 { "Philips PAL_I (FI1246 and compatibles)", Philips, PAL_I,
142 16*140.25,16*463.25,0xa0,0x90,0x30,0x8e,623},
143 { "Philips NTSC (FI1236,FM1236 and compatibles)", Philips, NTSC,
144 16*157.25,16*451.25,0xA0,0x90,0x30,0x8e,732},
145 { "Philips (SECAM+PAL_BG) (FI1216MF, FM1216MF, FR1216MF)", Philips, SECAM,
146 16*168.25,16*447.25,0xA7,0x97,0x37,0x8e,623},
148 { "NoTuner", NoTuner, NOTUNER,
149 0,0,0x00,0x00,0x00,0x00,0x00},
150 { "Philips PAL_BG (FI1216 and compatibles)", Philips, PAL,
151 16*168.25,16*447.25,0xA0,0x90,0x30,0x8e,623},
152 { "Temic NTSC (4032 FY5)", TEMIC, NTSC,
153 16*157.25,16*463.25,0x02,0x04,0x01,0x8e,732},
154 { "Temic PAL_I (4062 FY5)", TEMIC, PAL_I,
155 16*170.00,16*450.00,0x02,0x04,0x01,0x8e,623},
157 { "Temic NTSC (4036 FY5)", TEMIC, NTSC,
158 16*157.25,16*463.25,0xa0,0x90,0x30,0x8e,732},
159 { "Alps HSBH1", TEMIC, NTSC,
160 16*137.25,16*385.25,0x01,0x02,0x08,0x8e,732},
161 { "Alps TSBE1",TEMIC,PAL,
162 16*137.25,16*385.25,0x01,0x02,0x08,0x8e,732},
163 { "Alps TSBB5", Alps, PAL_I, /* tested (UK UHF) with Modulartech MM205 */
164 16*133.25,16*351.25,0x01,0x02,0x08,0x8e,632},
166 { "Alps TSBE5", Alps, PAL, /* untested - data sheet guess. Only IF differs. */
167 16*133.25,16*351.25,0x01,0x02,0x08,0x8e,622},
168 { "Alps TSBC5", Alps, PAL, /* untested - data sheet guess. Only IF differs. */
169 16*133.25,16*351.25,0x01,0x02,0x08,0x8e,608},
170 { "Temic PAL_BG (4006FH5)", TEMIC, PAL,
171 16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
172 { "Alps TSCH6",Alps,NTSC,
173 16*137.25,16*385.25,0x14,0x12,0x11,0x8e,732},
175 { "Temic PAL_DK (4016 FY5)",TEMIC,PAL,
176 16*168.25,16*456.25,0xa0,0x90,0x30,0x8e,623},
177 { "Philips NTSC_M (MK2)",Philips,NTSC,
178 16*160.00,16*454.00,0xa0,0x90,0x30,0x8e,732},
179 { "Temic PAL_I (4066 FY5)", TEMIC, PAL_I,
180 16*169.00, 16*454.00, 0xa0,0x90,0x30,0x8e,623},
181 { "Temic PAL* auto (4006 FN5)", TEMIC, PAL,
182 16*169.00, 16*454.00, 0xa0,0x90,0x30,0x8e,623},
184 { "Temic PAL_BG (4009 FR5) or PAL_I (4069 FR5)", TEMIC, PAL,
185 16*141.00, 16*464.00, 0xa0,0x90,0x30,0x8e,623},
186 { "Temic NTSC (4039 FR5)", TEMIC, NTSC,
187 16*158.00, 16*453.00, 0xa0,0x90,0x30,0x8e,732},
188 { "Temic PAL/SECAM multi (4046 FM5)", TEMIC, PAL,
189 16*169.00, 16*454.00, 0xa0,0x90,0x30,0x8e,623},
190 { "Philips PAL_DK (FI1256 and compatibles)", Philips, PAL,
191 16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
193 { "Philips PAL/SECAM multi (FQ1216ME)", Philips, PAL,
194 16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
195 { "LG PAL_I+FM (TAPC-I001D)", LGINNOTEK, PAL_I,
196 16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
197 { "LG PAL_I (TAPC-I701D)", LGINNOTEK, PAL_I,
198 16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
199 { "LG NTSC+FM (TPI8NSR01F)", LGINNOTEK, NTSC,
200 16*210.00,16*497.00,0xa0,0x90,0x30,0x8e,732},
202 { "LG PAL_BG+FM (TPI8PSB01D)", LGINNOTEK, PAL,
203 16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
204 { "LG PAL_BG (TPI8PSB11D)", LGINNOTEK, PAL,
205 16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
206 { "Temic PAL* auto + FM (4009 FN5)", TEMIC, PAL,
207 16*141.00, 16*464.00, 0xa0,0x90,0x30,0x8e,623},
208 { "SHARP NTSC_JP (2U5JF5540)", SHARP, NTSC, /* 940=16*58.75 NTSC@Japan */
209 16*137.25,16*317.25,0x01,0x02,0x08,0x8e,732 }, // Corrected to NTSC=732 (was:940)
211 { "Samsung PAL TCPM9091PD27", Samsung, PAL, /* from sourceforge v3tv */
212 16*169,16*464,0xA0,0x90,0x30,0x8e,623},
213 { "MT20xx universal", Microtune,PAL|NTSC,
215 { "Temic PAL_BG (4106 FH5)", TEMIC, PAL,
216 16*141.00, 16*464.00, 0xa0,0x90,0x30,0x8e,623},
217 { "Temic PAL_DK/SECAM_L (4012 FY5)", TEMIC, PAL,
218 16*140.25, 16*463.25, 0x02,0x04,0x01,0x8e,623},
220 { "Temic NTSC (4136 FY5)", TEMIC, NTSC,
221 16*158.00, 16*453.00, 0xa0,0x90,0x30,0x8e,732},
222 { "LG PAL (newer TAPC series)", LGINNOTEK, PAL,
223 16*170.00, 16*450.00, 0x01,0x02,0x08,0x8e,623},
224 { "Philips PAL/SECAM multi (FM1216ME MK3)", Philips, PAL,
225 16*160.00,16*442.00,0x01,0x02,0x04,0x8e,623 },
226 { "LG NTSC (newer TAPC series)", LGINNOTEK, NTSC,
227 16*170.00, 16*450.00, 0x01,0x02,0x08,0x8e,732},
229 { "HITACHI V7-J180AT", HITACHI, NTSC,
230 16*170.00, 16*450.00, 0x01,0x02,0x00,0x8e,940 },
231 { "Philips PAL_MK (FI1216 MK)", Philips, PAL,
232 16*140.25,16*463.25,0x01,0xc2,0xcf,0x8e,623},
233 { "Philips 1236D ATSC/NTSC daul in",Philips,ATSC,
234 16*157.25,16*454.00,0xa0,0x90,0x30,0x8e,732},
235 { "Philips NTSC MK3 (FM1236MK3 or FM1236/F)", Philips, NTSC,
236 16*160.00,16*442.00,0x01,0x02,0x04,0x8e,732},
238 { "Philips 4 in 1 (ATI TV Wonder Pro/Conexant)", Philips, NTSC,
239 16*160.00,16*442.00,0x01,0x02,0x04,0x8e,732},
240 { "Microtune 4049 FM5",Microtune,PAL,
241 16*141.00,16*464.00,0xa0,0x90,0x30,0x8e,623},
244 #define TUNERS ARRAY_SIZE(tuners)
246 /* ---------------------------------------------------------------------- */
248 static int tuner_getstatus(struct i2c_client *c)
252 struct tuner *t = i2c_get_clientdata(c);
254 if (t->type == TUNER_MT2032)
257 if (1 != i2c_master_recv(c,&byte,1))
262 #define TUNER_POR 0x80
263 #define TUNER_FL 0x40
264 #define TUNER_MODE 0x38
265 #define TUNER_AFC 0x07
267 #define TUNER_STEREO 0x10 /* radio mode */
268 #define TUNER_SIGNAL 0x07 /* radio mode */
270 static int tuner_signal(struct i2c_client *c)
272 return (tuner_getstatus(c) & TUNER_SIGNAL)<<13;
275 static int tuner_stereo(struct i2c_client *c)
277 return (tuner_getstatus (c) & TUNER_STEREO);
281 static int tuner_islocked (struct i2c_client *c)
283 return (tuner_getstatus (c) & TUNER_FL);
286 static int tuner_afcstatus (struct i2c_client *c)
288 return (tuner_getstatus (c) & TUNER_AFC) - 2;
291 static int tuner_mode (struct i2c_client *c)
293 return (tuner_getstatus (c) & TUNER_MODE) >> 3;
297 /* ---------------------------------------------------------------------- */
304 static char *microtune_part[] = {
305 [ MT2030 ] = "MT2030",
306 [ MT2032 ] = "MT2032",
307 [ MT2040 ] = "MT2040",
308 [ MT2050 ] = "MT2050",
312 static int mt2032_spurcheck(int f1, int f2, int spectrum_from,int spectrum_to)
316 f1=f1/1000; //scale to kHz to avoid 32bit overflows
321 dprintk("spurcheck f1=%d f2=%d from=%d to=%d\n",f1,f2,spectrum_from,spectrum_to);
329 dprintk(" spurtest n1=%d n2=%d ftest=%d\n",n1,n2,f);
331 if( (f>spectrum_from) && (f<spectrum_to))
332 printk("mt2032 spurcheck triggered: %d\n",n1);
333 } while ( (f>(f2-spectrum_to)) || (n2>-5));
340 static int mt2032_compute_freq(unsigned int rfin,
341 unsigned int if1, unsigned int if2,
342 unsigned int spectrum_from,
343 unsigned int spectrum_to,
346 unsigned int xogc) //all in Hz
348 unsigned int fref,lo1,lo1n,lo1a,s,sel,lo1freq, desired_lo1,
349 desired_lo2,lo2,lo2n,lo2a,lo2num,lo2freq;
351 fref= 5250 *1000; //5.25MHz
352 desired_lo1=rfin+if1;
354 lo1=(2*(desired_lo1/1000)+(fref/1000)) / (2*fref/1000);
358 s=rfin/1000/1000+1090;
362 else if(s>1720) sel=1;
363 else if(s>1530) sel=2;
364 else if(s>1370) sel=3;
368 if(s>1790) sel=0; // <1958
369 else if(s>1617) sel=1;
370 else if(s>1449) sel=2;
371 else if(s>1291) sel=3;
376 lo1freq=(lo1a+8*lo1n)*fref;
378 dprintk("mt2032: rfin=%d lo1=%d lo1n=%d lo1a=%d sel=%d, lo1freq=%d\n",
379 rfin,lo1,lo1n,lo1a,sel,lo1freq);
381 desired_lo2=lo1freq-rfin-if2;
382 lo2=(desired_lo2)/fref;
385 lo2num=((desired_lo2/1000)%(fref/1000))* 3780/(fref/1000); //scale to fit in 32bit arith
386 lo2freq=(lo2a+8*lo2n)*fref + lo2num*(fref/1000)/3780*1000;
388 dprintk("mt2032: rfin=%d lo2=%d lo2n=%d lo2a=%d num=%d lo2freq=%d\n",
389 rfin,lo2,lo2n,lo2a,lo2num,lo2freq);
391 if(lo1a<0 || lo1a>7 || lo1n<17 ||lo1n>48 || lo2a<0 ||lo2a >7 ||lo2n<17 || lo2n>30) {
392 printk("mt2032: frequency parameters out of range: %d %d %d %d\n",
393 lo1a, lo1n, lo2a,lo2n);
397 mt2032_spurcheck(lo1freq, desired_lo2, spectrum_from, spectrum_to);
398 // should recalculate lo1 (one step up/down)
400 // set up MT2032 register map for transfer over i2c
402 buf[1]=lo1a | (sel<<4);
404 buf[3]=0x0f; //reserved
406 buf[5]=(lo2n-1) | (lo2a<<5);
407 if(rfin >400*1000*1000)
410 buf[6]=0xf4; // set PKEN per rev 1.2
412 buf[8]=0xc3; //reserved
413 buf[9]=0x4e; //reserved
414 buf[10]=0xec; //reserved
415 buf[11]=(lo2num&0xff);
416 buf[12]=(lo2num>>8) |0x80; // Lo2RST
421 static int mt2032_check_lo_lock(struct i2c_client *c)
424 unsigned char buf[2];
425 for(try=0;try<10;try++) {
427 i2c_master_send(c,buf,1);
428 i2c_master_recv(c,buf,1);
429 dprintk("mt2032 Reg.E=0x%02x\n",buf[0]);
435 dprintk("mt2032: pll wait 1ms for lock (0x%2x)\n",buf[0]);
441 static int mt2032_optimize_vco(struct i2c_client *c,int sel,int lock)
443 unsigned char buf[2];
447 i2c_master_send(c,buf,1);
448 i2c_master_recv(c,buf,1);
449 dprintk("mt2032 Reg.F=0x%02x\n",buf[0]);
452 if(tad1 ==0) return lock;
453 if(tad1 ==1) return lock;
467 dprintk("mt2032 optimize_vco: sel=%d\n",sel);
471 i2c_master_send(c,buf,2);
472 lock=mt2032_check_lo_lock(c);
477 static void mt2032_set_if_freq(struct i2c_client *c, unsigned int rfin,
478 unsigned int if1, unsigned int if2,
479 unsigned int from, unsigned int to)
481 unsigned char buf[21];
482 int lint_try,ret,sel,lock=0;
483 struct tuner *t = i2c_get_clientdata(c);
485 dprintk("mt2032_set_if_freq rfin=%d if1=%d if2=%d from=%d to=%d\n",rfin,if1,if2,from,to);
488 ret=i2c_master_send(c,buf,1);
489 i2c_master_recv(c,buf,21);
492 ret=mt2032_compute_freq(rfin,if1,if2,from,to,&buf[1],&sel,t->xogc);
496 // send only the relevant registers per Rev. 1.2
498 ret=i2c_master_send(c,buf,4);
500 ret=i2c_master_send(c,buf+5,4);
502 ret=i2c_master_send(c,buf+11,3);
504 printk("mt2032_set_if_freq failed with %d\n",ret);
506 // wait for PLLs to lock (per manual), retry LINT if not.
507 for(lint_try=0; lint_try<2; lint_try++) {
508 lock=mt2032_check_lo_lock(c);
511 lock=mt2032_optimize_vco(c,sel,lock);
514 printk("mt2032: re-init PLLs by LINT\n");
516 buf[1]=0x80 +8+t->xogc; // set LINT to re-init PLLs
517 i2c_master_send(c,buf,2);
520 i2c_master_send(c,buf,2);
524 printk("MT2032 Fatal Error: PLLs didn't lock.\n");
527 buf[1]=0x20; // LOGC for optimal phase noise
528 ret=i2c_master_send(c,buf,2);
530 printk("mt2032_set_if_freq2 failed with %d\n",ret);
534 static void mt2032_set_tv_freq(struct i2c_client *c, unsigned int freq)
536 struct tuner *t = i2c_get_clientdata(c);
539 // signal bandwidth and picture carrier
540 if (t->mode == VIDEO_MODE_NTSC) {
551 mt2032_set_if_freq(c, freq*62500 /* freq*1000*1000/16 */,
552 1090*1000*1000, if2, from, to);
555 static void mt2032_set_radio_freq(struct i2c_client *c, unsigned int freq)
557 struct tuner *t = i2c_get_clientdata(c);
558 int if2 = t->radio_if2;
560 // per Manual for FM tuning: first if center freq. 1085 MHz
561 mt2032_set_if_freq(c, freq*62500 /* freq*1000*1000/16 */,
562 1085*1000*1000,if2,if2,if2);
565 // Initalization as described in "MT203x Programming Procedures", Rev 1.2, Feb.2001
566 static int mt2032_init(struct i2c_client *c)
568 struct tuner *t = i2c_get_clientdata(c);
569 unsigned char buf[21];
572 // Initialize Registers per spec.
573 buf[1]=2; // Index to register 2
577 ret=i2c_master_send(c,buf+1,4);
579 buf[5]=6; // Index register 6
585 ret=i2c_master_send(c,buf+5,6);
587 buf[12]=13; // Index register 13
589 ret=i2c_master_send(c,buf+12,2);
591 // Adjust XOGC (register 7), wait for XOK
594 dprintk("mt2032: xogc = 0x%02x\n",xogc&0x07);
597 i2c_master_send(c,buf,1);
598 i2c_master_recv(c,buf,1);
600 dprintk("mt2032: xok = 0x%02x\n",xok);
604 dprintk("mt2032: xogc = 0x%02x\n",xogc&0x07);
606 xogc=4; // min. 4 per spec
611 ret=i2c_master_send(c,buf,2);
613 printk("mt2032_init failed with %d\n",ret);
617 t->tv_freq = mt2032_set_tv_freq;
618 t->radio_freq = mt2032_set_radio_freq;
622 static void mt2050_set_if_freq(struct i2c_client *c,unsigned int freq, unsigned int if2)
624 unsigned int if1=1218*1000*1000;
625 unsigned int f_lo1,f_lo2,lo1,lo2,f_lo1_modulo,f_lo2_modulo,num1,num2,div1a,div1b,div2a,div2b;
627 unsigned char buf[6];
629 dprintk("mt2050_set_if_freq freq=%d\n",freq);
632 f_lo1=(f_lo1/1000000)*1000000;
634 f_lo2=f_lo1-freq-if2;
635 f_lo2=(f_lo2/50000)*50000;
640 f_lo1_modulo= f_lo1-(lo1*4000000);
641 f_lo2_modulo= f_lo2-(lo2*4000000);
643 num1=4*f_lo1_modulo/4000000;
644 num2=4096*(f_lo2_modulo/1000)/4000;
649 div1b=lo1-(div1a+1)*12;
652 div2b=lo2-(div2a+1)*8;
654 dprintk("lo1 lo2 = %d %d\n", lo1, lo2);
655 dprintk("num1 num2 div1a div1b div2a div2b= %x %x %x %x %x %x\n",num1,num2,div1a,div1b,div2a,div2b);
659 buf[1]= 4*div1b + num1;
660 if(freq<275*1000*1000) buf[1] = buf[1]|0x80;
663 buf[3]=32*div2b + num2/256;
664 buf[4]=num2-(num2/256)*256;
666 if(num2!=0) buf[5]=buf[5]|0x40;
672 printk("%x ",buf[i]);
676 ret=i2c_master_send(c,buf,6);
678 printk("mt2050_set_if_freq failed with %d\n",ret);
681 static void mt2050_set_tv_freq(struct i2c_client *c, unsigned int freq)
683 struct tuner *t = i2c_get_clientdata(c);
686 if (t->mode == VIDEO_MODE_NTSC) {
692 mt2050_set_if_freq(c,freq*62500,if2);
695 static void mt2050_set_radio_freq(struct i2c_client *c, unsigned int freq)
697 struct tuner *t = i2c_get_clientdata(c);
698 int if2 = t->radio_if2;
700 mt2050_set_if_freq(c, freq*62500, if2);
703 static int mt2050_init(struct i2c_client *c)
705 struct tuner *t = i2c_get_clientdata(c);
706 unsigned char buf[2];
711 ret=i2c_master_send(c,buf,2); // power
715 ret=i2c_master_send(c,buf,2); // m1lo
718 ret=i2c_master_send(c,buf,1);
719 i2c_master_recv(c,buf,1);
721 dprintk("mt2050: sro is %x\n",buf[0]);
722 t->tv_freq = mt2050_set_tv_freq;
723 t->radio_freq = mt2050_set_radio_freq;
727 static int microtune_init(struct i2c_client *c)
729 struct tuner *t = i2c_get_clientdata(c);
731 unsigned char buf[21];
736 t->radio_freq = NULL;
739 i2c_master_send(c,buf,1);
740 i2c_master_recv(c,buf,21);
743 printk(KERN_DEBUG "tuner: MT2032 hexdump:\n");
745 printk(" %02x",buf[i]);
746 if(((i+1)%8)==0) printk(" ");
747 if(((i+1)%16)==0) printk("\n ");
751 company_code = buf[0x11] << 8 | buf[0x12];
752 printk("tuner: microtune: companycode=%04x part=%02x rev=%02x\n",
753 company_code,buf[0x13],buf[0x14]);
754 switch (company_code) {
764 printk("tuner: microtune: unknown companycode\n");
768 if (buf[0x13] < ARRAY_SIZE(microtune_part) &&
769 NULL != microtune_part[buf[0x13]])
770 name = microtune_part[buf[0x13]];
779 printk("tuner: microtune %s found, not (yet?) supported, sorry :-/\n",
783 printk("tuner: microtune %s found, OK\n",name);
787 /* ---------------------------------------------------------------------- */
789 static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
791 struct tuner *t = i2c_get_clientdata(c);
794 struct tunertype *tun;
795 unsigned char buffer[4];
798 tun=&tuners[t->type];
799 if (freq < tun->thresh1)
801 else if (freq < tun->thresh2)
807 /* tv norm specific stuff for multi-norm tuners */
809 case TUNER_PHILIPS_SECAM: // FI1216MF
810 /* 0x01 -> ??? no change ??? */
811 /* 0x02 -> PAL BDGHI / SECAM L */
812 /* 0x04 -> ??? PAL others / SECAM others ??? */
814 if (t->mode == VIDEO_MODE_SECAM)
818 case TUNER_TEMIC_4046FM5:
823 config |= TEMIC_SET_PAL_I;
827 config |= TEMIC_SET_PAL_DK;
831 config |= TEMIC_SET_PAL_L;
838 config |= TEMIC_SET_PAL_BG;
843 case TUNER_PHILIPS_FQ1216ME:
848 config |= PHILIPS_SET_PAL_I;
852 config |= PHILIPS_SET_PAL_L;
860 config |= PHILIPS_SET_PAL_BGDK;
865 case TUNER_PHILIPS_ATSC:
866 /* 0x00 -> ATSC antenna input 1 */
867 /* 0x01 -> ATSC antenna input 2 */
868 /* 0x02 -> NTSC antenna input 1 */
869 /* 0x03 -> NTSC antenna input 2 */
872 #ifdef VIDEO_MODE_ATSC
873 if (VIDEO_MODE_ATSC != t->mode)
882 * Philips FI1216MK2 remark from specification :
883 * for channel selection involving band switching, and to ensure
884 * smooth tuning to the desired channel without causing
885 * unnecessary charge pump action, it is recommended to consider
886 * the difference between wanted channel frequency and the
887 * current channel frequency. Unnecessary charge pump action
888 * will result in very low tuning voltage which may drive the
889 * oscillator to extreme conditions.
891 * Progfou: specification says to send config data before
892 * frequency in case (wanted frequency < current frequency).
895 div=freq + tun->IFPCoff;
896 if (t->type == TUNER_PHILIPS_SECAM && freq < t->freq) {
897 buffer[0] = tun->config;
899 buffer[2] = (div>>8) & 0x7f;
900 buffer[3] = div & 0xff;
902 buffer[0] = (div>>8) & 0x7f;
903 buffer[1] = div & 0xff;
904 buffer[2] = tun->config;
907 dprintk("tuner: tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
908 buffer[0],buffer[1],buffer[2],buffer[3]);
910 if (4 != (rc = i2c_master_send(c,buffer,4)))
911 printk("tuner: i2c i/o error: rc == %d (should be 4)\n",rc);
915 static void default_set_radio_freq(struct i2c_client *c, unsigned int freq)
917 struct tunertype *tun;
918 struct tuner *t = i2c_get_clientdata(c);
919 unsigned char buffer[4];
923 tun=&tuners[t->type];
924 div = freq + (int)(16*10.7);
925 buffer[0] = (div>>8) & 0x7f;
926 buffer[1] = div & 0xff;
927 buffer[2] = tun->config;
929 case TUNER_PHILIPS_FM1216ME_MK3:
930 case TUNER_PHILIPS_FM1236_MK3:
938 dprintk("tuner: radio 0x%02x 0x%02x 0x%02x 0x%02x\n",
939 buffer[0],buffer[1],buffer[2],buffer[3]);
941 if (4 != (rc = i2c_master_send(c,buffer,4)))
942 printk("tuner: i2c i/o error: rc == %d (should be 4)\n",rc);
945 /* ---------------------------------------------------------------------- */
947 // Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz
948 static void set_tv_freq(struct i2c_client *c, unsigned int freq)
950 struct tuner *t = i2c_get_clientdata(c);
952 if (t->type == UNSET) {
953 printk("tuner: tuner type not set\n");
956 if (NULL == t->tv_freq) {
957 printk("tuner: Huh? tv_set is NULL?\n");
960 if (freq < tv_range[0]*16 || freq > tv_range[1]*16) {
961 /* FIXME: better do that chip-specific, but
962 right now we don't have that in the config
963 struct and this way is still better than no
965 printk("tuner: TV freq (%d.%02d) out of range (%d-%d)\n",
966 freq/16,freq%16*100/16,tv_range[0],tv_range[1]);
972 static void set_radio_freq(struct i2c_client *c, unsigned int freq)
974 struct tuner *t = i2c_get_clientdata(c);
976 if (t->type == UNSET) {
977 printk("tuner: tuner type not set\n");
980 if (NULL == t->radio_freq) {
981 printk("tuner: no radio tuning for this one, sorry.\n");
984 if (freq < radio_range[0]*16 || freq > radio_range[1]*16) {
985 printk("tuner: radio freq (%d.%02d) out of range (%d-%d)\n",
986 freq/16,freq%16*100/16,
987 radio_range[0],radio_range[1]);
990 t->radio_freq(c,freq);
993 static void set_type(struct i2c_client *c, unsigned int type, char *source)
995 struct tuner *t = i2c_get_clientdata(c);
997 if (t->type != UNSET) {
999 printk("tuner: type already set to %d, "
1000 "ignoring request for %d\n", t->type, type);
1007 printk("tuner: type set to %d (%s) by %s\n",
1008 t->type,tuners[t->type].name, source);
1009 strlcpy(c->name, tuners[t->type].name, sizeof(c->name));
1016 t->tv_freq = default_set_tv_freq;
1017 t->radio_freq = default_set_radio_freq;
1022 /* ---------------------------------------------------------------------- */
1024 static int tuner_attach(struct i2c_adapter *adap, int addr, int kind)
1027 struct i2c_client *client;
1033 client_template.adapter = adap;
1034 client_template.addr = addr;
1036 printk("tuner: chip found at addr 0x%x i2c-bus %s\n",
1037 addr<<1, adap->name);
1039 if (NULL == (client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL)))
1041 memcpy(client,&client_template,sizeof(struct i2c_client));
1042 t = kmalloc(sizeof(struct tuner),GFP_KERNEL);
1047 memset(t,0,sizeof(struct tuner));
1048 i2c_set_clientdata(client, t);
1050 t->radio_if2 = 10700*1000; // 10.7MHz - FM radio
1052 i2c_attach_client(client);
1053 if (type < TUNERS) {
1054 set_type(client, type, "insmod option");
1055 printk("tuner: The type=<n> insmod option will go away soon.\n");
1056 printk("tuner: Please use the tuner=<n> option provided by\n");
1057 printk("tuner: tv card core driver (bttv, saa7134, ...) instead.\n");
1062 static int tuner_probe(struct i2c_adapter *adap)
1065 normal_i2c_range[0] = addr;
1066 normal_i2c_range[1] = addr;
1070 #ifdef I2C_ADAP_CLASS_TV_ANALOG
1071 if (adap->class & I2C_ADAP_CLASS_TV_ANALOG)
1072 return i2c_probe(adap, &addr_data, tuner_attach);
1075 case I2C_ALGO_BIT | I2C_HW_SMBUS_VOODOO3:
1076 case I2C_ALGO_BIT | I2C_HW_B_BT848:
1077 case I2C_ALGO_BIT | I2C_HW_B_RIVA:
1078 case I2C_ALGO_SAA7134:
1079 case I2C_ALGO_SAA7146:
1080 return i2c_probe(adap, &addr_data, tuner_attach);
1087 static int tuner_detach(struct i2c_client *client)
1089 struct tuner *t = i2c_get_clientdata(client);
1091 i2c_detach_client(client);
1098 tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
1100 struct tuner *t = i2c_get_clientdata(client);
1101 unsigned int *iarg = (int*)arg;
1105 /* --- configuration --- */
1106 case TUNER_SET_TYPE:
1107 set_type(client,*iarg,client->adapter->name);
1109 case AUDC_SET_RADIO:
1111 set_tv_freq(client,400 * 16);
1115 case AUDC_CONFIG_PINNACLE:
1118 dprintk("tuner: pinnacle pal\n");
1119 t->radio_if2 = 33300 * 1000;
1122 dprintk("tuner: pinnacle ntsc\n");
1123 t->radio_if2 = 41300 * 1000;
1128 /* --- v4l ioctls --- */
1129 /* take care: bttv does userspace copying, we'll get a
1130 kernel pointer here... */
1133 struct video_channel *vc = arg;
1138 set_tv_freq(client,t->freq);
1143 unsigned long *v = arg;
1146 dprintk("tuner: radio freq set to %lu.%02lu\n",
1147 (*v)/16,(*v)%16*100/16);
1148 set_radio_freq(client,*v);
1150 dprintk("tuner: tv freq set to %lu.%02lu\n",
1151 (*v)/16,(*v)%16*100/16);
1152 set_tv_freq(client,*v);
1159 struct video_tuner *vt = arg;
1162 vt->signal = tuner_signal(client);
1167 struct video_audio *va = arg;
1169 va->mode = (tuner_stereo(client) ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO);
1180 /* ----------------------------------------------------------------------- */
1182 static struct i2c_driver driver = {
1183 .owner = THIS_MODULE,
1184 .name = "i2c TV tuner driver",
1185 .id = I2C_DRIVERID_TUNER,
1186 .flags = I2C_DF_NOTIFY,
1187 .attach_adapter = tuner_probe,
1188 .detach_client = tuner_detach,
1189 .command = tuner_command,
1191 static struct i2c_client client_template =
1193 I2C_DEVNAME("(tuner unset)"),
1194 .flags = I2C_CLIENT_ALLOW_USE,
1198 static int tuner_init_module(void)
1200 i2c_add_driver(&driver);
1204 static void tuner_cleanup_module(void)
1206 i2c_del_driver(&driver);
1209 module_init(tuner_init_module);
1210 module_exit(tuner_cleanup_module);
1213 * Overrides for Emacs so that we follow Linus's tabbing style.
1214 * ---------------------------------------------------------------------------