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 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");
41 #define optimize_vco 1
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");
48 #define dprintk if (debug) printk
51 unsigned int type; /* chip type */
52 unsigned int freq; /* keep track of the current settings */
61 unsigned int radio_if2;
63 void (*tv_freq)(struct i2c_client *c, unsigned int freq);
64 void (*radio_freq)(struct i2c_client *c, unsigned int freq);
67 static struct i2c_driver driver;
68 static struct i2c_client client_template;
70 /* ---------------------------------------------------------------------- */
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
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
79 NICAM 33.05 32.348 33.05 33.05
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
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")
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
95 NICAM 33.05 33.05 32.35 33.05 39.80
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
102 /* system switching for Philips FI1216MF MK2
103 from datasheet "1996 Jul 09",
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
109 NICAM 33.05 33.05 39.80
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'
116 /* ---------------------------------------------------------------------- */
121 unsigned char Vendor;
124 unsigned short thresh1; /* band switch VHF_LO <=> VHF_HI */
125 unsigned short thresh2; /* band switch VHF_HI <=> UHF */
129 unsigned char config;
130 unsigned short IFPCoff; /* 622.4=16*38.90 MHz PAL,
132 940 =58.75 NTSC-Japan */
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.
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},
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},
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},
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},
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},
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},
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},
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,732 }, // Corrected to NTSC=732 (was:940)
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,
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},
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},
231 { "HITACHI V7-J180AT", HITACHI, NTSC,
232 16*170.00, 16*450.00, 0x01,0x02,0x00,0x8e,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},
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},
246 #define TUNERS ARRAY_SIZE(tuners)
248 /* ---------------------------------------------------------------------- */
250 static int tuner_getstatus(struct i2c_client *c)
254 struct tuner *t = i2c_get_clientdata(c);
256 if (t->type == TUNER_MT2032)
259 if (1 != i2c_master_recv(c,&byte,1))
264 #define TUNER_POR 0x80
265 #define TUNER_FL 0x40
266 #define TUNER_MODE 0x38
267 #define TUNER_AFC 0x07
269 #define TUNER_STEREO 0x10 /* radio mode */
270 #define TUNER_SIGNAL 0x07 /* radio mode */
272 static int tuner_signal(struct i2c_client *c)
274 return (tuner_getstatus(c) & TUNER_SIGNAL)<<13;
277 static int tuner_stereo(struct i2c_client *c)
279 return (tuner_getstatus (c) & TUNER_STEREO);
283 static int tuner_islocked (struct i2c_client *c)
285 return (tuner_getstatus (c) & TUNER_FL);
288 static int tuner_afcstatus (struct i2c_client *c)
290 return (tuner_getstatus (c) & TUNER_AFC) - 2;
293 static int tuner_mode (struct i2c_client *c)
295 return (tuner_getstatus (c) & TUNER_MODE) >> 3;
299 /* ---------------------------------------------------------------------- */
306 static char *microtune_part[] = {
307 [ MT2030 ] = "MT2030",
308 [ MT2032 ] = "MT2032",
309 [ MT2040 ] = "MT2040",
310 [ MT2050 ] = "MT2050",
314 static int mt2032_spurcheck(int f1, int f2, int spectrum_from,int spectrum_to)
318 f1=f1/1000; //scale to kHz to avoid 32bit overflows
323 dprintk("spurcheck f1=%d f2=%d from=%d to=%d\n",f1,f2,spectrum_from,spectrum_to);
331 dprintk(" spurtest n1=%d n2=%d ftest=%d\n",n1,n2,f);
333 if( (f>spectrum_from) && (f<spectrum_to))
334 printk("mt2032 spurcheck triggered: %d\n",n1);
335 } while ( (f>(f2-spectrum_to)) || (n2>-5));
342 static int mt2032_compute_freq(unsigned int rfin,
343 unsigned int if1, unsigned int if2,
344 unsigned int spectrum_from,
345 unsigned int spectrum_to,
348 unsigned int xogc) //all in Hz
350 unsigned int fref,lo1,lo1n,lo1a,s,sel,lo1freq, desired_lo1,
351 desired_lo2,lo2,lo2n,lo2a,lo2num,lo2freq;
353 fref= 5250 *1000; //5.25MHz
354 desired_lo1=rfin+if1;
356 lo1=(2*(desired_lo1/1000)+(fref/1000)) / (2*fref/1000);
360 s=rfin/1000/1000+1090;
364 else if(s>1720) sel=1;
365 else if(s>1530) sel=2;
366 else if(s>1370) sel=3;
370 if(s>1790) sel=0; // <1958
371 else if(s>1617) sel=1;
372 else if(s>1449) sel=2;
373 else if(s>1291) sel=3;
378 lo1freq=(lo1a+8*lo1n)*fref;
380 dprintk("mt2032: rfin=%d lo1=%d lo1n=%d lo1a=%d sel=%d, lo1freq=%d\n",
381 rfin,lo1,lo1n,lo1a,sel,lo1freq);
383 desired_lo2=lo1freq-rfin-if2;
384 lo2=(desired_lo2)/fref;
387 lo2num=((desired_lo2/1000)%(fref/1000))* 3780/(fref/1000); //scale to fit in 32bit arith
388 lo2freq=(lo2a+8*lo2n)*fref + lo2num*(fref/1000)/3780*1000;
390 dprintk("mt2032: rfin=%d lo2=%d lo2n=%d lo2a=%d num=%d lo2freq=%d\n",
391 rfin,lo2,lo2n,lo2a,lo2num,lo2freq);
393 if(lo1a<0 || lo1a>7 || lo1n<17 ||lo1n>48 || lo2a<0 ||lo2a >7 ||lo2n<17 || lo2n>30) {
394 printk("mt2032: frequency parameters out of range: %d %d %d %d\n",
395 lo1a, lo1n, lo2a,lo2n);
399 mt2032_spurcheck(lo1freq, desired_lo2, spectrum_from, spectrum_to);
400 // should recalculate lo1 (one step up/down)
402 // set up MT2032 register map for transfer over i2c
404 buf[1]=lo1a | (sel<<4);
406 buf[3]=0x0f; //reserved
408 buf[5]=(lo2n-1) | (lo2a<<5);
409 if(rfin >400*1000*1000)
412 buf[6]=0xf4; // set PKEN per rev 1.2
414 buf[8]=0xc3; //reserved
415 buf[9]=0x4e; //reserved
416 buf[10]=0xec; //reserved
417 buf[11]=(lo2num&0xff);
418 buf[12]=(lo2num>>8) |0x80; // Lo2RST
423 static int mt2032_check_lo_lock(struct i2c_client *c)
426 unsigned char buf[2];
427 for(try=0;try<10;try++) {
429 i2c_master_send(c,buf,1);
430 i2c_master_recv(c,buf,1);
431 dprintk("mt2032 Reg.E=0x%02x\n",buf[0]);
437 dprintk("mt2032: pll wait 1ms for lock (0x%2x)\n",buf[0]);
443 static int mt2032_optimize_vco(struct i2c_client *c,int sel,int lock)
445 unsigned char buf[2];
449 i2c_master_send(c,buf,1);
450 i2c_master_recv(c,buf,1);
451 dprintk("mt2032 Reg.F=0x%02x\n",buf[0]);
454 if(tad1 ==0) return lock;
455 if(tad1 ==1) return lock;
469 dprintk("mt2032 optimize_vco: sel=%d\n",sel);
473 i2c_master_send(c,buf,2);
474 lock=mt2032_check_lo_lock(c);
479 static void mt2032_set_if_freq(struct i2c_client *c, unsigned int rfin,
480 unsigned int if1, unsigned int if2,
481 unsigned int from, unsigned int to)
483 unsigned char buf[21];
484 int lint_try,ret,sel,lock=0;
485 struct tuner *t = i2c_get_clientdata(c);
487 dprintk("mt2032_set_if_freq rfin=%d if1=%d if2=%d from=%d to=%d\n",rfin,if1,if2,from,to);
490 ret=i2c_master_send(c,buf,1);
491 i2c_master_recv(c,buf,21);
494 ret=mt2032_compute_freq(rfin,if1,if2,from,to,&buf[1],&sel,t->xogc);
498 // send only the relevant registers per Rev. 1.2
500 ret=i2c_master_send(c,buf,4);
502 ret=i2c_master_send(c,buf+5,4);
504 ret=i2c_master_send(c,buf+11,3);
506 printk("mt2032_set_if_freq failed with %d\n",ret);
508 // wait for PLLs to lock (per manual), retry LINT if not.
509 for(lint_try=0; lint_try<2; lint_try++) {
510 lock=mt2032_check_lo_lock(c);
513 lock=mt2032_optimize_vco(c,sel,lock);
516 printk("mt2032: re-init PLLs by LINT\n");
518 buf[1]=0x80 +8+t->xogc; // set LINT to re-init PLLs
519 i2c_master_send(c,buf,2);
522 i2c_master_send(c,buf,2);
526 printk("MT2032 Fatal Error: PLLs didn't lock.\n");
529 buf[1]=0x20; // LOGC for optimal phase noise
530 ret=i2c_master_send(c,buf,2);
532 printk("mt2032_set_if_freq2 failed with %d\n",ret);
536 static void mt2032_set_tv_freq(struct i2c_client *c, unsigned int freq)
538 struct tuner *t = i2c_get_clientdata(c);
541 // signal bandwidth and picture carrier
542 if (t->std & V4L2_STD_525_60) {
554 mt2032_set_if_freq(c, freq*62500 /* freq*1000*1000/16 */,
555 1090*1000*1000, if2, from, to);
558 static void mt2032_set_radio_freq(struct i2c_client *c, unsigned int freq)
560 struct tuner *t = i2c_get_clientdata(c);
561 int if2 = t->radio_if2;
563 // per Manual for FM tuning: first if center freq. 1085 MHz
564 mt2032_set_if_freq(c, freq*62500 /* freq*1000*1000/16 */,
565 1085*1000*1000,if2,if2,if2);
568 // Initalization as described in "MT203x Programming Procedures", Rev 1.2, Feb.2001
569 static int mt2032_init(struct i2c_client *c)
571 struct tuner *t = i2c_get_clientdata(c);
572 unsigned char buf[21];
575 // Initialize Registers per spec.
576 buf[1]=2; // Index to register 2
580 ret=i2c_master_send(c,buf+1,4);
582 buf[5]=6; // Index register 6
588 ret=i2c_master_send(c,buf+5,6);
590 buf[12]=13; // Index register 13
592 ret=i2c_master_send(c,buf+12,2);
594 // Adjust XOGC (register 7), wait for XOK
597 dprintk("mt2032: xogc = 0x%02x\n",xogc&0x07);
600 i2c_master_send(c,buf,1);
601 i2c_master_recv(c,buf,1);
603 dprintk("mt2032: xok = 0x%02x\n",xok);
607 dprintk("mt2032: xogc = 0x%02x\n",xogc&0x07);
609 xogc=4; // min. 4 per spec
614 ret=i2c_master_send(c,buf,2);
616 printk("mt2032_init failed with %d\n",ret);
620 t->tv_freq = mt2032_set_tv_freq;
621 t->radio_freq = mt2032_set_radio_freq;
625 static void mt2050_set_antenna(struct i2c_client *c, unsigned char antenna)
627 unsigned char buf[2];
631 buf[1] = antenna ? 0x11 : 0x10;
632 ret=i2c_master_send(c,buf,2);
633 dprintk("mt2050: enabled antenna connector %d\n", antenna);
636 static void mt2050_set_if_freq(struct i2c_client *c,unsigned int freq, unsigned int if2)
638 unsigned int if1=1218*1000*1000;
639 unsigned int f_lo1,f_lo2,lo1,lo2,f_lo1_modulo,f_lo2_modulo,num1,num2,div1a,div1b,div2a,div2b;
641 unsigned char buf[6];
643 dprintk("mt2050_set_if_freq freq=%d\n",freq);
646 f_lo1=(f_lo1/1000000)*1000000;
648 f_lo2=f_lo1-freq-if2;
649 f_lo2=(f_lo2/50000)*50000;
654 f_lo1_modulo= f_lo1-(lo1*4000000);
655 f_lo2_modulo= f_lo2-(lo2*4000000);
657 num1=4*f_lo1_modulo/4000000;
658 num2=4096*(f_lo2_modulo/1000)/4000;
663 div1b=lo1-(div1a+1)*12;
666 div2b=lo2-(div2a+1)*8;
668 dprintk("lo1 lo2 = %d %d\n", lo1, lo2);
669 dprintk("num1 num2 div1a div1b div2a div2b= %x %x %x %x %x %x\n",num1,num2,div1a,div1b,div2a,div2b);
673 buf[1]= 4*div1b + num1;
674 if(freq<275*1000*1000) buf[1] = buf[1]|0x80;
677 buf[3]=32*div2b + num2/256;
678 buf[4]=num2-(num2/256)*256;
680 if(num2!=0) buf[5]=buf[5]|0x40;
686 printk("%x ",buf[i]);
690 ret=i2c_master_send(c,buf,6);
692 printk("mt2050_set_if_freq failed with %d\n",ret);
695 static void mt2050_set_tv_freq(struct i2c_client *c, unsigned int freq)
697 struct tuner *t = i2c_get_clientdata(c);
700 if (t->std & V4L2_STD_525_60) {
707 mt2050_set_if_freq(c, freq*62500, if2);
708 mt2050_set_antenna(c, tv_antenna);
711 static void mt2050_set_radio_freq(struct i2c_client *c, unsigned int freq)
713 struct tuner *t = i2c_get_clientdata(c);
714 int if2 = t->radio_if2;
716 mt2050_set_if_freq(c, freq*62500, if2);
717 mt2050_set_antenna(c, radio_antenna);
720 static int mt2050_init(struct i2c_client *c)
722 struct tuner *t = i2c_get_clientdata(c);
723 unsigned char buf[2];
728 ret=i2c_master_send(c,buf,2); // power
732 ret=i2c_master_send(c,buf,2); // m1lo
735 ret=i2c_master_send(c,buf,1);
736 i2c_master_recv(c,buf,1);
738 dprintk("mt2050: sro is %x\n",buf[0]);
739 t->tv_freq = mt2050_set_tv_freq;
740 t->radio_freq = mt2050_set_radio_freq;
744 static int microtune_init(struct i2c_client *c)
746 struct tuner *t = i2c_get_clientdata(c);
748 unsigned char buf[21];
751 memset(buf,0,sizeof(buf));
753 t->radio_freq = NULL;
756 i2c_master_send(c,buf,1);
757 i2c_master_recv(c,buf,21);
760 printk(KERN_DEBUG "tuner: MT2032 hexdump:\n");
762 printk(" %02x",buf[i]);
763 if(((i+1)%8)==0) printk(" ");
764 if(((i+1)%16)==0) printk("\n ");
768 company_code = buf[0x11] << 8 | buf[0x12];
769 printk("tuner: microtune: companycode=%04x part=%02x rev=%02x\n",
770 company_code,buf[0x13],buf[0x14]);
773 /* seems to cause more problems than it solves ... */
774 switch (company_code) {
784 printk("tuner: microtune: unknown companycode\n");
789 if (buf[0x13] < ARRAY_SIZE(microtune_part) &&
790 NULL != microtune_part[buf[0x13]])
791 name = microtune_part[buf[0x13]];
800 printk("tuner: microtune %s found, not (yet?) supported, sorry :-/\n",
804 printk("tuner: microtune %s found, OK\n",name);
808 /* ---------------------------------------------------------------------- */
810 static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
812 struct tuner *t = i2c_get_clientdata(c);
815 struct tunertype *tun;
816 unsigned char buffer[4];
819 tun=&tuners[t->type];
820 if (freq < tun->thresh1)
822 else if (freq < tun->thresh2)
828 /* tv norm specific stuff for multi-norm tuners */
830 case TUNER_PHILIPS_SECAM: // FI1216MF
831 /* 0x01 -> ??? no change ??? */
832 /* 0x02 -> PAL BDGHI / SECAM L */
833 /* 0x04 -> ??? PAL others / SECAM others ??? */
835 if (t->std & V4L2_STD_SECAM)
839 case TUNER_TEMIC_4046FM5:
842 if (t->std & V4L2_STD_PAL_BG) {
843 config |= TEMIC_SET_PAL_BG;
845 } else if (t->std & V4L2_STD_PAL_I) {
846 config |= TEMIC_SET_PAL_I;
848 } else if (t->std & V4L2_STD_PAL_DK) {
849 config |= TEMIC_SET_PAL_DK;
851 } else if (t->std & V4L2_STD_SECAM_L) {
852 config |= TEMIC_SET_PAL_L;
857 case TUNER_PHILIPS_FQ1216ME:
860 if (t->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) {
861 config |= PHILIPS_SET_PAL_BGDK;
863 } else if (t->std & V4L2_STD_PAL_I) {
864 config |= PHILIPS_SET_PAL_I;
866 } else if (t->std & V4L2_STD_SECAM_L) {
867 config |= PHILIPS_SET_PAL_L;
872 case TUNER_PHILIPS_ATSC:
873 /* 0x00 -> ATSC antenna input 1 */
874 /* 0x01 -> ATSC antenna input 2 */
875 /* 0x02 -> NTSC antenna input 1 */
876 /* 0x03 -> NTSC antenna input 2 */
878 if (t->std & V4L2_STD_ATSC)
886 * Philips FI1216MK2 remark from specification :
887 * for channel selection involving band switching, and to ensure
888 * smooth tuning to the desired channel without causing
889 * unnecessary charge pump action, it is recommended to consider
890 * the difference between wanted channel frequency and the
891 * current channel frequency. Unnecessary charge pump action
892 * will result in very low tuning voltage which may drive the
893 * oscillator to extreme conditions.
895 * Progfou: specification says to send config data before
896 * frequency in case (wanted frequency < current frequency).
899 div=freq + tun->IFPCoff;
900 if (t->type == TUNER_PHILIPS_SECAM && freq < t->freq) {
901 buffer[0] = tun->config;
903 buffer[2] = (div>>8) & 0x7f;
904 buffer[3] = div & 0xff;
906 buffer[0] = (div>>8) & 0x7f;
907 buffer[1] = div & 0xff;
908 buffer[2] = tun->config;
911 dprintk("tuner: tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
912 buffer[0],buffer[1],buffer[2],buffer[3]);
914 if (4 != (rc = i2c_master_send(c,buffer,4)))
915 printk("tuner: i2c i/o error: rc == %d (should be 4)\n",rc);
919 static void default_set_radio_freq(struct i2c_client *c, unsigned int freq)
921 struct tunertype *tun;
922 struct tuner *t = i2c_get_clientdata(c);
923 unsigned char buffer[4];
927 tun=&tuners[t->type];
928 div = freq + (int)(16*10.7);
929 buffer[0] = (div>>8) & 0x7f;
930 buffer[1] = div & 0xff;
931 buffer[2] = tun->config;
933 case TUNER_PHILIPS_FM1216ME_MK3:
934 case TUNER_PHILIPS_FM1236_MK3:
942 dprintk("tuner: radio 0x%02x 0x%02x 0x%02x 0x%02x\n",
943 buffer[0],buffer[1],buffer[2],buffer[3]);
945 if (4 != (rc = i2c_master_send(c,buffer,4)))
946 printk("tuner: i2c i/o error: rc == %d (should be 4)\n",rc);
949 /* ---------------------------------------------------------------------- */
951 // Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz
952 static void set_tv_freq(struct i2c_client *c, unsigned int freq)
954 struct tuner *t = i2c_get_clientdata(c);
956 if (t->type == UNSET) {
957 printk("tuner: tuner type not set\n");
960 if (NULL == t->tv_freq) {
961 printk("tuner: Huh? tv_set is NULL?\n");
964 if (freq < tv_range[0]*16 || freq > tv_range[1]*16) {
965 /* FIXME: better do that chip-specific, but
966 right now we don't have that in the config
967 struct and this way is still better than no
969 printk("tuner: TV freq (%d.%02d) out of range (%d-%d)\n",
970 freq/16,freq%16*100/16,tv_range[0],tv_range[1]);
976 static void set_radio_freq(struct i2c_client *c, unsigned int freq)
978 struct tuner *t = i2c_get_clientdata(c);
980 if (t->type == UNSET) {
981 printk("tuner: tuner type not set\n");
984 if (NULL == t->radio_freq) {
985 printk("tuner: no radio tuning for this one, sorry.\n");
988 if (freq < radio_range[0]*16 || freq > radio_range[1]*16) {
989 printk("tuner: radio freq (%d.%02d) out of range (%d-%d)\n",
990 freq/16,freq%16*100/16,
991 radio_range[0],radio_range[1]);
994 t->radio_freq(c,freq);
997 static void set_freq(struct i2c_client *c, unsigned long freq)
999 struct tuner *t = i2c_get_clientdata(c);
1002 dprintk("tuner: radio freq set to %lu.%02lu\n",
1003 freq/16,freq%16*100/16);
1004 set_radio_freq(c,freq);
1006 dprintk("tuner: tv freq set to %lu.%02lu\n",
1007 freq/16,freq%16*100/16);
1008 set_tv_freq(c, freq);
1013 static void set_type(struct i2c_client *c, unsigned int type, char *source)
1015 struct tuner *t = i2c_get_clientdata(c);
1017 if (t->type != UNSET) {
1018 if (t->type != type)
1019 printk("tuner: type already set to %d, "
1020 "ignoring request for %d\n", t->type, type);
1027 printk("tuner: type set to %d (%s) by %s\n",
1028 t->type,tuners[t->type].name, source);
1029 strlcpy(c->name, tuners[t->type].name, sizeof(c->name));
1036 t->tv_freq = default_set_tv_freq;
1037 t->radio_freq = default_set_radio_freq;
1042 static char *pal = "-";
1043 MODULE_PARM(pal,"s");
1045 static int tuner_fixup_std(struct tuner *t)
1047 if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) {
1048 /* get more precise norm info from insmod option */
1054 dprintk("insmod fixup: PAL => PAL-BG\n");
1055 t->std = V4L2_STD_PAL_BG;
1059 dprintk("insmod fixup: PAL => PAL-I\n");
1060 t->std = V4L2_STD_PAL_I;
1066 dprintk("insmod fixup: PAL => PAL-DK\n");
1067 t->std = V4L2_STD_PAL_DK;
1074 /* ---------------------------------------------------------------------- */
1076 static int tuner_attach(struct i2c_adapter *adap, int addr, int kind)
1079 struct i2c_client *client;
1085 client_template.adapter = adap;
1086 client_template.addr = addr;
1088 printk("tuner: chip found at addr 0x%x i2c-bus %s\n",
1089 addr<<1, adap->name);
1091 if (NULL == (client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL)))
1093 memcpy(client,&client_template,sizeof(struct i2c_client));
1094 t = kmalloc(sizeof(struct tuner),GFP_KERNEL);
1099 memset(t,0,sizeof(struct tuner));
1100 i2c_set_clientdata(client, t);
1102 t->radio_if2 = 10700*1000; // 10.7MHz - FM radio
1104 i2c_attach_client(client);
1105 if (type < TUNERS) {
1106 set_type(client, type, "insmod option");
1107 printk("tuner: The type=<n> insmod option will go away soon.\n");
1108 printk("tuner: Please use the tuner=<n> option provided by\n");
1109 printk("tuner: tv aard core driver (bttv, saa7134, ...) instead.\n");
1114 static int tuner_probe(struct i2c_adapter *adap)
1117 normal_i2c_range[0] = addr;
1118 normal_i2c_range[1] = addr;
1122 #ifdef I2C_CLASS_TV_ANALOG
1123 if (adap->class & I2C_CLASS_TV_ANALOG)
1124 return i2c_probe(adap, &addr_data, tuner_attach);
1127 case I2C_ALGO_BIT | I2C_HW_SMBUS_VOODOO3:
1128 case I2C_ALGO_BIT | I2C_HW_B_BT848:
1129 case I2C_ALGO_BIT | I2C_HW_B_RIVA:
1130 case I2C_ALGO_SAA7134:
1131 case I2C_ALGO_SAA7146:
1132 return i2c_probe(adap, &addr_data, tuner_attach);
1139 static int tuner_detach(struct i2c_client *client)
1141 struct tuner *t = i2c_get_clientdata(client);
1143 i2c_detach_client(client);
1149 #define SWITCH_V4L2 if (!t->using_v4l2 && debug) \
1150 printk("tuner: switching to v4l2\n"); \
1152 #define CHECK_V4L2 if (t->using_v4l2) { if (debug) \
1153 printk("tuner: ignore v4l1 call\n"); \
1157 tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
1159 struct tuner *t = i2c_get_clientdata(client);
1160 unsigned int *iarg = (int*)arg;
1164 /* --- configuration --- */
1165 case TUNER_SET_TYPE:
1166 set_type(client,*iarg,client->adapter->name);
1168 case AUDC_SET_RADIO:
1170 set_tv_freq(client,400 * 16);
1174 case AUDC_CONFIG_PINNACLE:
1177 dprintk("tuner: pinnacle pal\n");
1178 t->radio_if2 = 33300 * 1000;
1181 dprintk("tuner: pinnacle ntsc\n");
1182 t->radio_if2 = 41300 * 1000;
1187 /* --- v4l ioctls --- */
1188 /* take care: bttv does userspace copying, we'll get a
1189 kernel pointer here... */
1192 static const v4l2_std_id map[] = {
1193 [ VIDEO_MODE_PAL ] = V4L2_STD_PAL,
1194 [ VIDEO_MODE_NTSC ] = V4L2_STD_NTSC_M,
1195 [ VIDEO_MODE_SECAM ] = V4L2_STD_SECAM,
1196 [ 4 /* bttv */ ] = V4L2_STD_PAL_M,
1197 [ 5 /* bttv */ ] = V4L2_STD_PAL_N,
1198 [ 6 /* bttv */ ] = V4L2_STD_NTSC_M_JP,
1200 struct video_channel *vc = arg;
1204 if (vc->norm < ARRAY_SIZE(map))
1205 t->std = map[vc->norm];
1208 set_tv_freq(client,t->freq);
1213 unsigned long *v = arg;
1216 set_freq(client,*v);
1221 struct video_tuner *vt = arg;
1225 vt->signal = tuner_signal(client);
1230 struct video_audio *va = arg;
1234 va->mode = (tuner_stereo(client) ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO);
1240 v4l2_std_id *id = arg;
1247 set_freq(client,t->freq);
1250 case VIDIOC_S_FREQUENCY:
1252 struct v4l2_frequency *f = arg;
1255 if (V4L2_TUNER_ANALOG_TV == f->type) {
1258 if (V4L2_TUNER_RADIO == f->type) {
1260 set_tv_freq(client,400*16);
1264 t->freq = f->frequency;
1265 set_freq(client,t->freq);
1268 case VIDIOC_G_TUNER:
1270 struct v4l2_tuner *tuner = arg;
1274 tuner->signal = tuner_signal(client);
1285 /* ----------------------------------------------------------------------- */
1287 static struct i2c_driver driver = {
1288 .owner = THIS_MODULE,
1289 .name = "i2c TV tuner driver",
1290 .id = I2C_DRIVERID_TUNER,
1291 .flags = I2C_DF_NOTIFY,
1292 .attach_adapter = tuner_probe,
1293 .detach_client = tuner_detach,
1294 .command = tuner_command,
1296 static struct i2c_client client_template =
1298 I2C_DEVNAME("(tuner unset)"),
1299 .flags = I2C_CLIENT_ALLOW_USE,
1303 static int tuner_init_module(void)
1305 i2c_add_driver(&driver);
1309 static void tuner_cleanup_module(void)
1311 i2c_del_driver(&driver);
1314 module_init(tuner_init_module);
1315 module_exit(tuner_cleanup_module);
1318 * Overrides for Emacs so that we follow Linus's tabbing style.
1319 * ---------------------------------------------------------------------------