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,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, 0x01,0x02,0x08,0x8e,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},
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 },
249 { "Tenna TNF 8831 BGFF)", Philips
, PAL
,
250 16*161.25,16*463.25,0xa0,0x90,0x30,0x8e,623},
253 #define TUNERS ARRAY_SIZE(tuners)
255 /* ---------------------------------------------------------------------- */
257 static int tuner_getstatus(struct i2c_client
*c
)
261 struct tuner
*t
= i2c_get_clientdata(c
);
263 if (t
->type
== TUNER_MT2032
)
266 if (1 != i2c_master_recv(c
,&byte
,1))
271 #define TUNER_POR 0x80
272 #define TUNER_FL 0x40
273 #define TUNER_MODE 0x38
274 #define TUNER_AFC 0x07
276 #define TUNER_STEREO 0x10 /* radio mode */
277 #define TUNER_SIGNAL 0x07 /* radio mode */
279 static int tuner_signal(struct i2c_client
*c
)
281 return (tuner_getstatus(c
) & TUNER_SIGNAL
)<<13;
284 static int tuner_stereo(struct i2c_client
*c
)
286 return (tuner_getstatus (c
) & TUNER_STEREO
);
290 static int tuner_islocked (struct i2c_client
*c
)
292 return (tuner_getstatus (c
) & TUNER_FL
);
295 static int tuner_afcstatus (struct i2c_client
*c
)
297 return (tuner_getstatus (c
) & TUNER_AFC
) - 2;
300 static int tuner_mode (struct i2c_client
*c
)
302 return (tuner_getstatus (c
) & TUNER_MODE
) >> 3;
306 /* ---------------------------------------------------------------------- */
313 static char *microtune_part
[] = {
314 [ MT2030
] = "MT2030",
315 [ MT2032
] = "MT2032",
316 [ MT2040
] = "MT2040",
317 [ MT2050
] = "MT2050",
321 static int mt2032_spurcheck(int f1
, int f2
, int spectrum_from
,int spectrum_to
)
325 f1
=f1
/1000; //scale to kHz to avoid 32bit overflows
330 dprintk("spurcheck f1=%d f2=%d from=%d to=%d\n",f1
,f2
,spectrum_from
,spectrum_to
);
338 dprintk(" spurtest n1=%d n2=%d ftest=%d\n",n1
,n2
,f
);
340 if( (f
>spectrum_from
) && (f
<spectrum_to
))
341 printk("mt2032 spurcheck triggered: %d\n",n1
);
342 } while ( (f
>(f2
-spectrum_to
)) || (n2
>-5));
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
,
355 unsigned int xogc
) //all in Hz
357 unsigned int fref
,lo1
,lo1n
,lo1a
,s
,sel
,lo1freq
, desired_lo1
,
358 desired_lo2
,lo2
,lo2n
,lo2a
,lo2num
,lo2freq
;
360 fref
= 5250 *1000; //5.25MHz
361 desired_lo1
=rfin
+if1
;
363 lo1
=(2*(desired_lo1
/1000)+(fref
/1000)) / (2*fref
/1000);
367 s
=rfin
/1000/1000+1090;
371 else if(s
>1720) sel
=1;
372 else if(s
>1530) sel
=2;
373 else if(s
>1370) sel
=3;
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;
385 lo1freq
=(lo1a
+8*lo1n
)*fref
;
387 dprintk("mt2032: rfin=%d lo1=%d lo1n=%d lo1a=%d sel=%d, lo1freq=%d\n",
388 rfin
,lo1
,lo1n
,lo1a
,sel
,lo1freq
);
390 desired_lo2
=lo1freq
-rfin
-if2
;
391 lo2
=(desired_lo2
)/fref
;
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;
397 dprintk("mt2032: rfin=%d lo2=%d lo2n=%d lo2a=%d num=%d lo2freq=%d\n",
398 rfin
,lo2
,lo2n
,lo2a
,lo2num
,lo2freq
);
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
);
406 mt2032_spurcheck(lo1freq
, desired_lo2
, spectrum_from
, spectrum_to
);
407 // should recalculate lo1 (one step up/down)
409 // set up MT2032 register map for transfer over i2c
411 buf
[1]=lo1a
| (sel
<<4);
413 buf
[3]=0x0f; //reserved
415 buf
[5]=(lo2n
-1) | (lo2a
<<5);
416 if(rfin
>400*1000*1000)
419 buf
[6]=0xf4; // set PKEN per rev 1.2
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
430 static int mt2032_check_lo_lock(struct i2c_client
*c
)
433 unsigned char buf
[2];
434 for(try=0;try<10;try++) {
436 i2c_master_send(c
,buf
,1);
437 i2c_master_recv(c
,buf
,1);
438 dprintk("mt2032 Reg.E=0x%02x\n",buf
[0]);
444 dprintk("mt2032: pll wait 1ms for lock (0x%2x)\n",buf
[0]);
450 static int mt2032_optimize_vco(struct i2c_client
*c
,int sel
,int lock
)
452 unsigned char buf
[2];
456 i2c_master_send(c
,buf
,1);
457 i2c_master_recv(c
,buf
,1);
458 dprintk("mt2032 Reg.F=0x%02x\n",buf
[0]);
461 if(tad1
==0) return lock
;
462 if(tad1
==1) return lock
;
476 dprintk("mt2032 optimize_vco: sel=%d\n",sel
);
480 i2c_master_send(c
,buf
,2);
481 lock
=mt2032_check_lo_lock(c
);
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
)
490 unsigned char buf
[21];
491 int lint_try
,ret
,sel
,lock
=0;
492 struct tuner
*t
= i2c_get_clientdata(c
);
494 dprintk("mt2032_set_if_freq rfin=%d if1=%d if2=%d from=%d to=%d\n",rfin
,if1
,if2
,from
,to
);
497 ret
=i2c_master_send(c
,buf
,1);
498 i2c_master_recv(c
,buf
,21);
501 ret
=mt2032_compute_freq(rfin
,if1
,if2
,from
,to
,&buf
[1],&sel
,t
->xogc
);
505 // send only the relevant registers per Rev. 1.2
507 ret
=i2c_master_send(c
,buf
,4);
509 ret
=i2c_master_send(c
,buf
+5,4);
511 ret
=i2c_master_send(c
,buf
+11,3);
513 printk("mt2032_set_if_freq failed with %d\n",ret
);
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
);
520 lock
=mt2032_optimize_vco(c
,sel
,lock
);
523 printk("mt2032: re-init PLLs by LINT\n");
525 buf
[1]=0x80 +8+t
->xogc
; // set LINT to re-init PLLs
526 i2c_master_send(c
,buf
,2);
529 i2c_master_send(c
,buf
,2);
533 printk("MT2032 Fatal Error: PLLs didn't lock.\n");
536 buf
[1]=0x20; // LOGC for optimal phase noise
537 ret
=i2c_master_send(c
,buf
,2);
539 printk("mt2032_set_if_freq2 failed with %d\n",ret
);
543 static void mt2032_set_tv_freq(struct i2c_client
*c
, unsigned int freq
)
545 struct tuner
*t
= i2c_get_clientdata(c
);
548 // signal bandwidth and picture carrier
549 if (t
->std
& V4L2_STD_525_60
) {
561 mt2032_set_if_freq(c
, freq
*62500 /* freq*1000*1000/16 */,
562 1090*1000*1000, if2
, from
, to
);
565 static void mt2032_set_radio_freq(struct i2c_client
*c
, unsigned int freq
)
567 struct tuner
*t
= i2c_get_clientdata(c
);
568 int if2
= t
->radio_if2
;
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
);
575 // Initalization as described in "MT203x Programming Procedures", Rev 1.2, Feb.2001
576 static int mt2032_init(struct i2c_client
*c
)
578 struct tuner
*t
= i2c_get_clientdata(c
);
579 unsigned char buf
[21];
582 // Initialize Registers per spec.
583 buf
[1]=2; // Index to register 2
587 ret
=i2c_master_send(c
,buf
+1,4);
589 buf
[5]=6; // Index register 6
595 ret
=i2c_master_send(c
,buf
+5,6);
597 buf
[12]=13; // Index register 13
599 ret
=i2c_master_send(c
,buf
+12,2);
601 // Adjust XOGC (register 7), wait for XOK
604 dprintk("mt2032: xogc = 0x%02x\n",xogc
&0x07);
607 i2c_master_send(c
,buf
,1);
608 i2c_master_recv(c
,buf
,1);
610 dprintk("mt2032: xok = 0x%02x\n",xok
);
614 dprintk("mt2032: xogc = 0x%02x\n",xogc
&0x07);
616 xogc
=4; // min. 4 per spec
621 ret
=i2c_master_send(c
,buf
,2);
623 printk("mt2032_init failed with %d\n",ret
);
627 t
->tv_freq
= mt2032_set_tv_freq
;
628 t
->radio_freq
= mt2032_set_radio_freq
;
632 static void mt2050_set_antenna(struct i2c_client
*c
, unsigned char antenna
)
634 unsigned char buf
[2];
638 buf
[1] = antenna
? 0x11 : 0x10;
639 ret
=i2c_master_send(c
,buf
,2);
640 dprintk("mt2050: enabled antenna connector %d\n", antenna
);
643 static void mt2050_set_if_freq(struct i2c_client
*c
,unsigned int freq
, unsigned int if2
)
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
;
648 unsigned char buf
[6];
650 dprintk("mt2050_set_if_freq freq=%d\n",freq
);
653 f_lo1
=(f_lo1
/1000000)*1000000;
655 f_lo2
=f_lo1
-freq
-if2
;
656 f_lo2
=(f_lo2
/50000)*50000;
661 f_lo1_modulo
= f_lo1
-(lo1
*4000000);
662 f_lo2_modulo
= f_lo2
-(lo2
*4000000);
664 num1
=4*f_lo1_modulo
/4000000;
665 num2
=4096*(f_lo2_modulo
/1000)/4000;
670 div1b
=lo1
-(div1a
+1)*12;
673 div2b
=lo2
-(div2a
+1)*8;
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
);
680 buf
[1]= 4*div1b
+ num1
;
681 if(freq
<275*1000*1000) buf
[1] = buf
[1]|0x80;
684 buf
[3]=32*div2b
+ num2
/256;
685 buf
[4]=num2
-(num2
/256)*256;
687 if(num2
!=0) buf
[5]=buf
[5]|0x40;
693 printk("%x ",buf
[i
]);
697 ret
=i2c_master_send(c
,buf
,6);
699 printk("mt2050_set_if_freq failed with %d\n",ret
);
702 static void mt2050_set_tv_freq(struct i2c_client
*c
, unsigned int freq
)
704 struct tuner
*t
= i2c_get_clientdata(c
);
707 if (t
->std
& V4L2_STD_525_60
) {
714 mt2050_set_if_freq(c
, freq
*62500, if2
);
715 mt2050_set_antenna(c
, tv_antenna
);
718 static void mt2050_set_radio_freq(struct i2c_client
*c
, unsigned int freq
)
720 struct tuner
*t
= i2c_get_clientdata(c
);
721 int if2
= t
->radio_if2
;
723 mt2050_set_if_freq(c
, freq
*62500, if2
);
724 mt2050_set_antenna(c
, radio_antenna
);
727 static int mt2050_init(struct i2c_client
*c
)
729 struct tuner
*t
= i2c_get_clientdata(c
);
730 unsigned char buf
[2];
735 ret
=i2c_master_send(c
,buf
,2); // power
739 ret
=i2c_master_send(c
,buf
,2); // m1lo
742 ret
=i2c_master_send(c
,buf
,1);
743 i2c_master_recv(c
,buf
,1);
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
;
751 static int microtune_init(struct i2c_client
*c
)
753 struct tuner
*t
= i2c_get_clientdata(c
);
755 unsigned char buf
[21];
758 memset(buf
,0,sizeof(buf
));
760 t
->radio_freq
= NULL
;
763 i2c_master_send(c
,buf
,1);
764 i2c_master_recv(c
,buf
,21);
767 printk(KERN_DEBUG
"tuner: MT2032 hexdump:\n");
769 printk(" %02x",buf
[i
]);
770 if(((i
+1)%8)==0) printk(" ");
771 if(((i
+1)%16)==0) printk("\n ");
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]);
780 /* seems to cause more problems than it solves ... */
781 switch (company_code
) {
791 printk("tuner: microtune: unknown companycode\n");
796 if (buf
[0x13] < ARRAY_SIZE(microtune_part
) &&
797 NULL
!= microtune_part
[buf
[0x13]])
798 name
= microtune_part
[buf
[0x13]];
807 printk("tuner: microtune %s found, not (yet?) supported, sorry :-/\n",
811 printk("tuner: microtune %s found, OK\n",name
);
815 /* ---------------------------------------------------------------------- */
817 static void default_set_tv_freq(struct i2c_client
*c
, unsigned int freq
)
819 struct tuner
*t
= i2c_get_clientdata(c
);
822 struct tunertype
*tun
;
823 unsigned char buffer
[4];
826 tun
=&tuners
[t
->type
];
827 if (freq
< tun
->thresh1
)
829 else if (freq
< tun
->thresh2
)
835 /* tv norm specific stuff for multi-norm tuners */
837 case TUNER_PHILIPS_SECAM
: // FI1216MF
838 /* 0x01 -> ??? no change ??? */
839 /* 0x02 -> PAL BDGHI / SECAM L */
840 /* 0x04 -> ??? PAL others / SECAM others ??? */
842 if (t
->std
& V4L2_STD_SECAM
)
846 case TUNER_TEMIC_4046FM5
:
849 if (t
->std
& V4L2_STD_PAL_BG
) {
850 config
|= TEMIC_SET_PAL_BG
;
852 } else if (t
->std
& V4L2_STD_PAL_I
) {
853 config
|= TEMIC_SET_PAL_I
;
855 } else if (t
->std
& V4L2_STD_PAL_DK
) {
856 config
|= TEMIC_SET_PAL_DK
;
858 } else if (t
->std
& V4L2_STD_SECAM_L
) {
859 config
|= TEMIC_SET_PAL_L
;
864 case TUNER_PHILIPS_FQ1216ME
:
867 if (t
->std
& (V4L2_STD_PAL_BG
|V4L2_STD_PAL_DK
)) {
868 config
|= PHILIPS_SET_PAL_BGDK
;
870 } else if (t
->std
& V4L2_STD_PAL_I
) {
871 config
|= PHILIPS_SET_PAL_I
;
873 } else if (t
->std
& V4L2_STD_SECAM_L
) {
874 config
|= PHILIPS_SET_PAL_L
;
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 */
885 if (t
->std
& V4L2_STD_ATSC
)
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.
902 * Progfou: specification says to send config data before
903 * frequency in case (wanted frequency < current frequency).
906 div
=freq
+ tun
->IFPCoff
;
907 if (t
->type
== TUNER_PHILIPS_SECAM
&& freq
< t
->freq
) {
908 buffer
[0] = tun
->config
;
910 buffer
[2] = (div
>>8) & 0x7f;
911 buffer
[3] = div
& 0xff;
913 buffer
[0] = (div
>>8) & 0x7f;
914 buffer
[1] = div
& 0xff;
915 buffer
[2] = tun
->config
;
918 dprintk("tuner: tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
919 buffer
[0],buffer
[1],buffer
[2],buffer
[3]);
921 if (4 != (rc
= i2c_master_send(c
,buffer
,4)))
922 printk("tuner: i2c i/o error: rc == %d (should be 4)\n",rc
);
926 static void default_set_radio_freq(struct i2c_client
*c
, unsigned int freq
)
928 struct tunertype
*tun
;
929 struct tuner
*t
= i2c_get_clientdata(c
);
930 unsigned char buffer
[4];
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
;
940 case TUNER_PHILIPS_FM1216ME_MK3
:
941 case TUNER_PHILIPS_FM1236_MK3
:
944 case TUNER_LG_PAL_FM
:
952 dprintk("tuner: radio 0x%02x 0x%02x 0x%02x 0x%02x\n",
953 buffer
[0],buffer
[1],buffer
[2],buffer
[3]);
955 if (4 != (rc
= i2c_master_send(c
,buffer
,4)))
956 printk("tuner: i2c i/o error: rc == %d (should be 4)\n",rc
);
959 /* ---------------------------------------------------------------------- */
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
)
964 struct tuner
*t
= i2c_get_clientdata(c
);
966 if (t
->type
== UNSET
) {
967 printk("tuner: tuner type not set\n");
970 if (NULL
== t
->tv_freq
) {
971 printk("tuner: Huh? tv_set is NULL?\n");
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
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]);
986 static void set_radio_freq(struct i2c_client
*c
, unsigned int freq
)
988 struct tuner
*t
= i2c_get_clientdata(c
);
990 if (t
->type
== UNSET
) {
991 printk("tuner: tuner type not set\n");
994 if (NULL
== t
->radio_freq
) {
995 printk("tuner: no radio tuning for this one, sorry.\n");
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]);
1004 t
->radio_freq(c
,freq
);
1007 static void set_freq(struct i2c_client
*c
, unsigned long freq
)
1009 struct tuner
*t
= i2c_get_clientdata(c
);
1012 dprintk("tuner: radio freq set to %lu.%02lu\n",
1013 freq
/16,freq
%16*100/16);
1014 set_radio_freq(c
,freq
);
1016 dprintk("tuner: tv freq set to %lu.%02lu\n",
1017 freq
/16,freq
%16*100/16);
1018 set_tv_freq(c
, freq
);
1023 static void set_type(struct i2c_client
*c
, unsigned int type
, char *source
)
1025 struct tuner
*t
= i2c_get_clientdata(c
);
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
);
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
));
1046 t
->tv_freq
= default_set_tv_freq
;
1047 t
->radio_freq
= default_set_radio_freq
;
1052 static char *pal
= "-";
1053 MODULE_PARM(pal
,"s");
1055 static int tuner_fixup_std(struct tuner
*t
)
1057 if ((t
->std
& V4L2_STD_PAL
) == V4L2_STD_PAL
) {
1058 /* get more precise norm info from insmod option */
1064 dprintk("insmod fixup: PAL => PAL-BG\n");
1065 t
->std
= V4L2_STD_PAL_BG
;
1069 dprintk("insmod fixup: PAL => PAL-I\n");
1070 t
->std
= V4L2_STD_PAL_I
;
1076 dprintk("insmod fixup: PAL => PAL-DK\n");
1077 t
->std
= V4L2_STD_PAL_DK
;
1084 /* ---------------------------------------------------------------------- */
1086 static int tuner_attach(struct i2c_adapter
*adap
, int addr
, int kind
)
1089 struct i2c_client
*client
;
1095 client_template
.adapter
= adap
;
1096 client_template
.addr
= addr
;
1098 printk("tuner: chip found at addr 0x%x i2c-bus %s\n",
1099 addr
<<1, adap
->name
);
1101 if (NULL
== (client
= kmalloc(sizeof(struct i2c_client
), GFP_KERNEL
)))
1103 memcpy(client
,&client_template
,sizeof(struct i2c_client
));
1104 t
= kmalloc(sizeof(struct tuner
),GFP_KERNEL
);
1109 memset(t
,0,sizeof(struct tuner
));
1110 i2c_set_clientdata(client
, t
);
1112 t
->radio_if2
= 10700*1000; // 10.7MHz - FM radio
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");
1124 static int tuner_probe(struct i2c_adapter
*adap
)
1127 normal_i2c_range
[0] = addr
;
1128 normal_i2c_range
[1] = addr
;
1132 #ifdef I2C_CLASS_TV_ANALOG
1133 if (adap
->class & I2C_CLASS_TV_ANALOG
)
1134 return i2c_probe(adap
, &addr_data
, tuner_attach
);
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
);
1149 static int tuner_detach(struct i2c_client
*client
)
1151 struct tuner
*t
= i2c_get_clientdata(client
);
1153 i2c_detach_client(client
);
1159 #define SWITCH_V4L2 if (!t->using_v4l2 && debug) \
1160 printk("tuner: switching to v4l2\n"); \
1162 #define CHECK_V4L2 if (t->using_v4l2) { if (debug) \
1163 printk("tuner: ignore v4l1 call\n"); \
1167 tuner_command(struct i2c_client
*client
, unsigned int cmd
, void *arg
)
1169 struct tuner
*t
= i2c_get_clientdata(client
);
1170 unsigned int *iarg
= (int*)arg
;
1174 /* --- configuration --- */
1175 case TUNER_SET_TYPE
:
1176 set_type(client
,*iarg
,client
->adapter
->name
);
1178 case AUDC_SET_RADIO
:
1180 set_tv_freq(client
,400 * 16);
1184 case AUDC_CONFIG_PINNACLE
:
1187 dprintk("tuner: pinnacle pal\n");
1188 t
->radio_if2
= 33300 * 1000;
1191 dprintk("tuner: pinnacle ntsc\n");
1192 t
->radio_if2
= 41300 * 1000;
1197 /* --- v4l ioctls --- */
1198 /* take care: bttv does userspace copying, we'll get a
1199 kernel pointer here... */
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
,
1210 struct video_channel
*vc
= arg
;
1214 if (vc
->norm
< ARRAY_SIZE(map
))
1215 t
->std
= map
[vc
->norm
];
1218 set_tv_freq(client
,t
->freq
);
1223 unsigned long *v
= arg
;
1226 set_freq(client
,*v
);
1231 struct video_tuner
*vt
= arg
;
1235 vt
->signal
= tuner_signal(client
);
1240 struct video_audio
*va
= arg
;
1244 va
->mode
= (tuner_stereo(client
) ? VIDEO_SOUND_STEREO
: VIDEO_SOUND_MONO
);
1250 v4l2_std_id
*id
= arg
;
1257 set_freq(client
,t
->freq
);
1260 case VIDIOC_S_FREQUENCY
:
1262 struct v4l2_frequency
*f
= arg
;
1265 if (V4L2_TUNER_ANALOG_TV
== f
->type
) {
1268 if (V4L2_TUNER_RADIO
== f
->type
) {
1270 set_tv_freq(client
,400*16);
1274 t
->freq
= f
->frequency
;
1275 set_freq(client
,t
->freq
);
1278 case VIDIOC_G_TUNER
:
1280 struct v4l2_tuner
*tuner
= arg
;
1284 tuner
->signal
= tuner_signal(client
);
1295 /* ----------------------------------------------------------------------- */
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
,
1306 static struct i2c_client client_template
=
1308 I2C_DEVNAME("(tuner unset)"),
1309 .flags
= I2C_CLIENT_ALLOW_USE
,
1313 static int __init
tuner_init_module(void)
1315 return i2c_add_driver(&driver
);
1318 static void __exit
tuner_cleanup_module(void)
1320 i2c_del_driver(&driver
);
1323 module_init(tuner_init_module
);
1324 module_exit(tuner_cleanup_module
);
1327 * Overrides for Emacs so that we follow Linus's tabbing style.
1328 * ---------------------------------------------------------------------------