Merge /spare/repo/linux-2.6/
[linux-2.6] / drivers / media / video / tuner-simple.c
1 /*
2  * $Id: tuner-simple.c,v 1.21 2005/06/10 19:53:26 nsh Exp $
3  *
4  * i2c tv tuner chip device driver
5  * controls all those simple 4-control-bytes style tuners.
6  */
7 #include <linux/delay.h>
8 #include <linux/i2c.h>
9 #include <linux/videodev.h>
10 #include <media/tuner.h>
11
12 /* ---------------------------------------------------------------------- */
13
14 /* tv standard selection for Temic 4046 FM5
15    this value takes the low bits of control byte 2
16    from datasheet Rev.01, Feb.00
17      standard     BG      I       L       L2      D
18      picture IF   38.9    38.9    38.9    33.95   38.9
19      sound 1      33.4    32.9    32.4    40.45   32.4
20      sound 2      33.16
21      NICAM        33.05   32.348  33.05           33.05
22  */
23 #define TEMIC_SET_PAL_I         0x05
24 #define TEMIC_SET_PAL_DK        0x09
25 #define TEMIC_SET_PAL_L         0x0a // SECAM ?
26 #define TEMIC_SET_PAL_L2        0x0b // change IF !
27 #define TEMIC_SET_PAL_BG        0x0c
28
29 /* tv tuner system standard selection for Philips FQ1216ME
30    this value takes the low bits of control byte 2
31    from datasheet "1999 Nov 16" (supersedes "1999 Mar 23")
32      standard           BG      DK      I       L       L`
33      picture carrier    38.90   38.90   38.90   38.90   33.95
34      colour             34.47   34.47   34.47   34.47   38.38
35      sound 1            33.40   32.40   32.90   32.40   40.45
36      sound 2            33.16   -       -       -       -
37      NICAM              33.05   33.05   32.35   33.05   39.80
38  */
39 #define PHILIPS_SET_PAL_I       0x01 /* Bit 2 always zero !*/
40 #define PHILIPS_SET_PAL_BGDK    0x09
41 #define PHILIPS_SET_PAL_L2      0x0a
42 #define PHILIPS_SET_PAL_L       0x0b
43
44 /* system switching for Philips FI1216MF MK2
45    from datasheet "1996 Jul 09",
46     standard         BG     L      L'
47     picture carrier  38.90  38.90  33.95
48     colour           34.47  34.37  38.38
49     sound 1          33.40  32.40  40.45
50     sound 2          33.16  -      -
51     NICAM            33.05  33.05  39.80
52  */
53 #define PHILIPS_MF_SET_BG       0x01 /* Bit 2 must be zero, Bit 3 is system output */
54 #define PHILIPS_MF_SET_PAL_L    0x03 // France
55 #define PHILIPS_MF_SET_PAL_L2   0x02 // L'
56
57
58 /* ---------------------------------------------------------------------- */
59
60 struct tunertype
61 {
62         char *name;
63         unsigned char Vendor;
64         unsigned char Type;
65
66         unsigned short thresh1;  /*  band switch VHF_LO <=> VHF_HI  */
67         unsigned short thresh2;  /*  band switch VHF_HI <=> UHF     */
68         unsigned char VHF_L;
69         unsigned char VHF_H;
70         unsigned char UHF;
71         unsigned char config;
72         unsigned short IFPCoff; /* 622.4=16*38.90 MHz PAL,
73                                    732  =16*45.75 NTSCi,
74                                    940  =16*58.75 NTSC-Japan
75                                    704  =16*44    ATSC */
76 };
77
78 /*
79  *      The floats in the tuner struct are computed at compile time
80  *      by gcc and cast back to integers. Thus we don't violate the
81  *      "no float in kernel" rule.
82  */
83 static struct tunertype tuners[] = {
84         { "Temic PAL (4002 FH5)", TEMIC, PAL,
85           16*140.25,16*463.25,0x02,0x04,0x01,0x8e,623},
86         { "Philips PAL_I (FI1246 and compatibles)", Philips, PAL_I,
87           16*140.25,16*463.25,0xa0,0x90,0x30,0x8e,623},
88         { "Philips NTSC (FI1236,FM1236 and compatibles)", Philips, NTSC,
89           16*157.25,16*451.25,0xA0,0x90,0x30,0x8e,732},
90         { "Philips (SECAM+PAL_BG) (FI1216MF, FM1216MF, FR1216MF)", Philips, SECAM,
91           16*168.25,16*447.25,0xA7,0x97,0x37,0x8e,623},
92
93         { "NoTuner", NoTuner, NOTUNER,
94           0,0,0x00,0x00,0x00,0x00,0x00},
95         { "Philips PAL_BG (FI1216 and compatibles)", Philips, PAL,
96           16*168.25,16*447.25,0xA0,0x90,0x30,0x8e,623},
97         { "Temic NTSC (4032 FY5)", TEMIC, NTSC,
98           16*157.25,16*463.25,0x02,0x04,0x01,0x8e,732},
99         { "Temic PAL_I (4062 FY5)", TEMIC, PAL_I,
100           16*170.00,16*450.00,0x02,0x04,0x01,0x8e,623},
101
102         { "Temic NTSC (4036 FY5)", TEMIC, NTSC,
103           16*157.25,16*463.25,0xa0,0x90,0x30,0x8e,732},
104         { "Alps HSBH1", TEMIC, NTSC,
105           16*137.25,16*385.25,0x01,0x02,0x08,0x8e,732},
106         { "Alps TSBE1",TEMIC,PAL,
107           16*137.25,16*385.25,0x01,0x02,0x08,0x8e,732},
108         { "Alps TSBB5", Alps, PAL_I, /* tested (UK UHF) with Modulartech MM205 */
109           16*133.25,16*351.25,0x01,0x02,0x08,0x8e,632},
110
111         { "Alps TSBE5", Alps, PAL, /* untested - data sheet guess. Only IF differs. */
112           16*133.25,16*351.25,0x01,0x02,0x08,0x8e,622},
113         { "Alps TSBC5", Alps, PAL, /* untested - data sheet guess. Only IF differs. */
114           16*133.25,16*351.25,0x01,0x02,0x08,0x8e,608},
115         { "Temic PAL_BG (4006FH5)", TEMIC, PAL,
116           16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
117         { "Alps TSCH6",Alps,NTSC,
118           16*137.25,16*385.25,0x14,0x12,0x11,0x8e,732},
119
120         { "Temic PAL_DK (4016 FY5)",TEMIC,PAL,
121           16*168.25,16*456.25,0xa0,0x90,0x30,0x8e,623},
122         { "Philips NTSC_M (MK2)",Philips,NTSC,
123           16*160.00,16*454.00,0xa0,0x90,0x30,0x8e,732},
124         { "Temic PAL_I (4066 FY5)", TEMIC, PAL_I,
125           16*169.00, 16*454.00, 0xa0,0x90,0x30,0x8e,623},
126         { "Temic PAL* auto (4006 FN5)", TEMIC, PAL,
127           16*169.00, 16*454.00, 0xa0,0x90,0x30,0x8e,623},
128
129         { "Temic PAL_BG (4009 FR5) or PAL_I (4069 FR5)", TEMIC, PAL,
130           16*141.00, 16*464.00, 0xa0,0x90,0x30,0x8e,623},
131         { "Temic NTSC (4039 FR5)", TEMIC, NTSC,
132           16*158.00, 16*453.00, 0xa0,0x90,0x30,0x8e,732},
133         { "Temic PAL/SECAM multi (4046 FM5)", TEMIC, PAL,
134           16*169.00, 16*454.00, 0xa0,0x90,0x30,0x8e,623},
135         { "Philips PAL_DK (FI1256 and compatibles)", Philips, PAL,
136           16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
137
138         { "Philips PAL/SECAM multi (FQ1216ME)", Philips, PAL,
139           16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
140         { "LG PAL_I+FM (TAPC-I001D)", LGINNOTEK, PAL_I,
141           16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
142         { "LG PAL_I (TAPC-I701D)", LGINNOTEK, PAL_I,
143           16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
144         { "LG NTSC+FM (TPI8NSR01F)", LGINNOTEK, NTSC,
145           16*210.00,16*497.00,0xa0,0x90,0x30,0x8e,732},
146
147         { "LG PAL_BG+FM (TPI8PSB01D)", LGINNOTEK, PAL,
148           16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
149         { "LG PAL_BG (TPI8PSB11D)", LGINNOTEK, PAL,
150           16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
151         { "Temic PAL* auto + FM (4009 FN5)", TEMIC, PAL,
152           16*141.00, 16*464.00, 0xa0,0x90,0x30,0x8e,623},
153         { "SHARP NTSC_JP (2U5JF5540)", SHARP, NTSC, /* 940=16*58.75 NTSC@Japan */
154           16*137.25,16*317.25,0x01,0x02,0x08,0x8e,940 },
155
156         { "Samsung PAL TCPM9091PD27", Samsung, PAL,  /* from sourceforge v3tv */
157           16*169,16*464,0xA0,0x90,0x30,0x8e,623},
158         { "MT20xx universal", Microtune,PAL|NTSC,
159           /* see mt20xx.c for details */ },
160         { "Temic PAL_BG (4106 FH5)", TEMIC, PAL,
161           16*141.00, 16*464.00, 0xa0,0x90,0x30,0x8e,623},
162         { "Temic PAL_DK/SECAM_L (4012 FY5)", TEMIC, PAL,
163           16*140.25, 16*463.25, 0x02,0x04,0x01,0x8e,623},
164
165         { "Temic NTSC (4136 FY5)", TEMIC, NTSC,
166           16*158.00, 16*453.00, 0xa0,0x90,0x30,0x8e,732},
167         { "LG PAL (newer TAPC series)", LGINNOTEK, PAL,
168           16*170.00, 16*450.00, 0x01,0x02,0x08,0x8e,623},
169         { "Philips PAL/SECAM multi (FM1216ME MK3)", Philips, PAL,
170           16*160.00,16*442.00,0x01,0x02,0x04,0x8e,623 },
171         { "LG NTSC (newer TAPC series)", LGINNOTEK, NTSC,
172           16*170.00, 16*450.00, 0x01,0x02,0x08,0x8e,732},
173
174         { "HITACHI V7-J180AT", HITACHI, NTSC,
175           16*170.00, 16*450.00, 0x01,0x02,0x08,0x8e,940 },
176         { "Philips PAL_MK (FI1216 MK)", Philips, PAL,
177           16*140.25,16*463.25,0x01,0xc2,0xcf,0x8e,623},
178         { "Philips 1236D ATSC/NTSC daul in",Philips,ATSC,
179           16*157.25,16*454.00,0xa0,0x90,0x30,0x8e,732},
180         { "Philips NTSC MK3 (FM1236MK3 or FM1236/F)", Philips, NTSC,
181           16*160.00,16*442.00,0x01,0x02,0x04,0x8e,732},
182
183         { "Philips 4 in 1 (ATI TV Wonder Pro/Conexant)", Philips, NTSC,
184           16*160.00,16*442.00,0x01,0x02,0x04,0x8e,732},
185         { "Microtune 4049 FM5",Microtune,PAL,
186           16*141.00,16*464.00,0xa0,0x90,0x30,0x8e,623},
187         { "Panasonic VP27s/ENGE4324D", Panasonic, NTSC,
188           16*160.00,16*454.00,0x01,0x02,0x08,0xce,940},
189         { "LG NTSC (TAPE series)", LGINNOTEK, NTSC,
190           16*160.00,16*442.00,0x01,0x02,0x04,0x8e,732 },
191
192         { "Tenna TNF 8831 BGFF)", Philips, PAL,
193           16*161.25,16*463.25,0xa0,0x90,0x30,0x8e,623},
194         { "Microtune 4042 FI5 ATSC/NTSC dual in", Microtune, NTSC,
195           16*162.00,16*457.00,0xa2,0x94,0x31,0x8e,732},
196         { "TCL 2002N", TCL, NTSC,
197           16*172.00,16*448.00,0x01,0x02,0x08,0x8e,732},
198         { "Philips PAL/SECAM_D (FM 1256 I-H3)", Philips, PAL,
199           16*160.00,16*442.00,0x01,0x02,0x04,0x8e,623 },
200
201         { "Thomson DDT 7610 (ATSC/NTSC)", THOMSON, ATSC,
202           16*157.25,16*454.00,0x39,0x3a,0x3c,0x8e,732},
203         { "Philips FQ1286", Philips, NTSC,
204           16*160.00,16*454.00,0x41,0x42,0x04,0x8e,940}, // UHF band untested
205         { "tda8290+75", Philips,PAL|NTSC,
206           /* see tda8290.c for details */ },
207         { "LG PAL (TAPE series)", LGINNOTEK, PAL,
208           16*170.00, 16*450.00, 0x01,0x02,0x08,0xce,623},
209
210         { "Philips PAL/SECAM multi (FQ1216AME MK4)", Philips, PAL,
211           16*160.00,16*442.00,0x01,0x02,0x04,0xce,623 },
212         { "Philips FQ1236A MK4", Philips, NTSC,
213           16*160.00,16*442.00,0x01,0x02,0x04,0x8e,732 },
214
215         /* Should work for TVF8531MF, TVF8831MF, TVF8731MF */
216         { "Ymec TVision TVF-8531MF", Philips, NTSC,
217           16*160.00,16*454.00,0xa0,0x90,0x30,0x8e,732},
218         { "Ymec TVision TVF-5533MF", Philips, NTSC,
219           16*160.00,16*454.00,0x01,0x02,0x04,0x8e,732},
220
221         { "Thomson DDT 7611 (ATSC/NTSC)", THOMSON, ATSC,
222           16*157.25,16*454.00,0x39,0x3a,0x3c,0x8e,732},
223         { "Tena TNF9533-D/IF", LGINNOTEK, PAL,
224           16*160.25, 16*464.25, 0x01,0x02,0x08,0x8e,623},
225
226         /*
227          * This entry is for TEA5767 FM radio only chip used on several boards
228          * w/TV tuner
229          */
230         { TEA5767_TUNER_NAME, Philips, RADIO,
231           -1, -1, 0, 0, 0, TEA5767_LOW_LO_32768,0},
232 };
233
234 unsigned const int tuner_count = ARRAY_SIZE(tuners);
235
236 /* ---------------------------------------------------------------------- */
237
238 static int tuner_getstatus(struct i2c_client *c)
239 {
240         unsigned char byte;
241
242         if (1 != i2c_master_recv(c,&byte,1))
243                 return 0;
244
245         return byte;
246 }
247
248 #define TUNER_POR       0x80
249 #define TUNER_FL        0x40
250 #define TUNER_MODE      0x38
251 #define TUNER_AFC       0x07
252
253 #define TUNER_STEREO       0x10 /* radio mode */
254 #define TUNER_STEREO_MK3   0x04 /* radio mode */
255 #define TUNER_SIGNAL       0x07 /* radio mode */
256
257 static int tuner_signal(struct i2c_client *c)
258 {
259         return (tuner_getstatus(c) & TUNER_SIGNAL) << 13;
260 }
261
262 static int tuner_stereo(struct i2c_client *c)
263 {
264         int stereo, status;
265         struct tuner *t = i2c_get_clientdata(c);
266
267         status = tuner_getstatus (c);
268
269         switch (t->type) {
270                 case TUNER_PHILIPS_FM1216ME_MK3:
271                 case TUNER_PHILIPS_FM1236_MK3:
272                 case TUNER_PHILIPS_FM1256_IH3:
273                         stereo = ((status & TUNER_SIGNAL) == TUNER_STEREO_MK3);
274                         break;
275                 default:
276                         stereo = status & TUNER_STEREO;
277         }
278
279         return stereo;
280 }
281
282 #if 0 /* unused */
283 static int tuner_islocked (struct i2c_client *c)
284 {
285         return (tuner_getstatus (c) & TUNER_FL);
286 }
287
288 static int tuner_afcstatus (struct i2c_client *c)
289 {
290         return (tuner_getstatus (c) & TUNER_AFC) - 2;
291 }
292
293 static int tuner_mode (struct i2c_client *c)
294 {
295         return (tuner_getstatus (c) & TUNER_MODE) >> 3;
296 }
297 #endif
298
299 /* ---------------------------------------------------------------------- */
300
301 static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
302 {
303         struct tuner *t = i2c_get_clientdata(c);
304         u8 config;
305         u16 div;
306         struct tunertype *tun;
307         unsigned char buffer[4];
308         int rc;
309
310         tun = &tuners[t->type];
311         if (freq < tun->thresh1) {
312                 config = tun->VHF_L;
313                 tuner_dbg("tv: VHF lowrange\n");
314         } else if (freq < tun->thresh2) {
315                 config = tun->VHF_H;
316                 tuner_dbg("tv: VHF high range\n");
317         } else {
318                 config = tun->UHF;
319                 tuner_dbg("tv: UHF range\n");
320         }
321
322
323         /* tv norm specific stuff for multi-norm tuners */
324         switch (t->type) {
325         case TUNER_PHILIPS_SECAM: // FI1216MF
326                 /* 0x01 -> ??? no change ??? */
327                 /* 0x02 -> PAL BDGHI / SECAM L */
328                 /* 0x04 -> ??? PAL others / SECAM others ??? */
329                 config &= ~0x02;
330                 if (t->std & V4L2_STD_SECAM)
331                         config |= 0x02;
332                 break;
333
334         case TUNER_TEMIC_4046FM5:
335                 config &= ~0x0f;
336
337                 if (t->std & V4L2_STD_PAL_BG) {
338                         config |= TEMIC_SET_PAL_BG;
339
340                 } else if (t->std & V4L2_STD_PAL_I) {
341                         config |= TEMIC_SET_PAL_I;
342
343                 } else if (t->std & V4L2_STD_PAL_DK) {
344                         config |= TEMIC_SET_PAL_DK;
345
346                 } else if (t->std & V4L2_STD_SECAM_L) {
347                         config |= TEMIC_SET_PAL_L;
348
349                 }
350                 break;
351
352         case TUNER_PHILIPS_FQ1216ME:
353                 config &= ~0x0f;
354
355                 if (t->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) {
356                         config |= PHILIPS_SET_PAL_BGDK;
357
358                 } else if (t->std & V4L2_STD_PAL_I) {
359                         config |= PHILIPS_SET_PAL_I;
360
361                 } else if (t->std & V4L2_STD_SECAM_L) {
362                         config |= PHILIPS_SET_PAL_L;
363
364                 }
365                 break;
366
367         case TUNER_PHILIPS_ATSC:
368                 /* 0x00 -> ATSC antenna input 1 */
369                 /* 0x01 -> ATSC antenna input 2 */
370                 /* 0x02 -> NTSC antenna input 1 */
371                 /* 0x03 -> NTSC antenna input 2 */
372                 config &= ~0x03;
373                 if (!(t->std & V4L2_STD_ATSC))
374                         config |= 2;
375                 /* FIXME: input */
376                 break;
377
378         case TUNER_MICROTUNE_4042FI5:
379                 /* Set the charge pump for fast tuning */
380                 tun->config |= 0x40;
381                 break;
382         }
383
384         /*
385          * Philips FI1216MK2 remark from specification :
386          * for channel selection involving band switching, and to ensure
387          * smooth tuning to the desired channel without causing
388          * unnecessary charge pump action, it is recommended to consider
389          * the difference between wanted channel frequency and the
390          * current channel frequency.  Unnecessary charge pump action
391          * will result in very low tuning voltage which may drive the
392          * oscillator to extreme conditions.
393          *
394          * Progfou: specification says to send config data before
395          * frequency in case (wanted frequency < current frequency).
396          */
397
398         div=freq + tun->IFPCoff;
399         if (t->type == TUNER_PHILIPS_SECAM && freq < t->freq) {
400                 buffer[0] = tun->config;
401                 buffer[1] = config;
402                 buffer[2] = (div>>8) & 0x7f;
403                 buffer[3] = div      & 0xff;
404         } else {
405                 buffer[0] = (div>>8) & 0x7f;
406                 buffer[1] = div      & 0xff;
407                 buffer[2] = tun->config;
408                 buffer[3] = config;
409         }
410         tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
411                   buffer[0],buffer[1],buffer[2],buffer[3]);
412
413         if (4 != (rc = i2c_master_send(c,buffer,4)))
414                 tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc);
415
416         if (t->type == TUNER_MICROTUNE_4042FI5) {
417                 // FIXME - this may also work for other tuners
418                 unsigned long timeout = jiffies + msecs_to_jiffies(1);
419                 u8 status_byte = 0;
420
421                 /* Wait until the PLL locks */
422                 for (;;) {
423                         if (time_after(jiffies,timeout))
424                                 return;
425                         if (1 != (rc = i2c_master_recv(c,&status_byte,1))) {
426                                 tuner_warn("i2c i/o read error: rc == %d (should be 1)\n",rc);
427                                 break;
428                         }
429                         /* bit 6 is PLL locked indicator */
430                         if (status_byte & 0x40)
431                                 break;
432                         udelay(10);
433                 }
434
435                 /* Set the charge pump for optimized phase noise figure */
436                 tun->config &= ~0x40;
437                 buffer[0] = (div>>8) & 0x7f;
438                 buffer[1] = div      & 0xff;
439                 buffer[2] = tun->config;
440                 buffer[3] = config;
441                 tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
442                        buffer[0],buffer[1],buffer[2],buffer[3]);
443
444                 if (4 != (rc = i2c_master_send(c,buffer,4)))
445                         tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc);
446         }
447 }
448
449 static void default_set_radio_freq(struct i2c_client *c, unsigned int freq)
450 {
451         struct tunertype *tun;
452         struct tuner *t = i2c_get_clientdata(c);
453         unsigned char buffer[4];
454         unsigned div;
455         int rc;
456
457         tun=&tuners[t->type];
458         div = freq + (int)(16*10.7);
459         buffer[2] = tun->config;
460
461         switch (t->type) {
462         case TUNER_TENA_9533_DI:
463         case TUNER_YMEC_TVF_5533MF:
464
465                 /*These values are empirically determinated */
466                 div = (freq*122)/16 - 20;
467                 buffer[2] = 0x88; /* could be also 0x80 */
468                 buffer[3] = 0x19; /* could be also 0x10, 0x18, 0x99 */
469                 break;
470         case TUNER_PHILIPS_FM1216ME_MK3:
471         case TUNER_PHILIPS_FM1236_MK3:
472                 buffer[3] = 0x19;
473                 break;
474         case TUNER_PHILIPS_FM1256_IH3:
475                 div = (20 * freq)/16 + 333 * 2;
476                 buffer[2] = 0x80;
477                 buffer[3] = 0x19;
478                 break;
479         case TUNER_LG_PAL_FM:
480                 buffer[3] = 0xa5;
481                 break;
482         default:
483                 buffer[3] = 0xa4;
484                 break;
485         }
486         buffer[0] = (div>>8) & 0x7f;
487         buffer[1] = div      & 0xff;
488
489         tuner_dbg("radio 0x%02x 0x%02x 0x%02x 0x%02x\n",
490                buffer[0],buffer[1],buffer[2],buffer[3]);
491
492         if (4 != (rc = i2c_master_send(c,buffer,4)))
493                 tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc);
494 }
495
496 int default_tuner_init(struct i2c_client *c)
497 {
498         struct tuner *t = i2c_get_clientdata(c);
499
500         tuner_info("type set to %d (%s)\n",
501                    t->type, tuners[t->type].name);
502         strlcpy(c->name, tuners[t->type].name, sizeof(c->name));
503
504         t->tv_freq    = default_set_tv_freq;
505         t->radio_freq = default_set_radio_freq;
506         t->has_signal = tuner_signal;
507         t->is_stereo  = tuner_stereo;
508         return 0;
509 }
510
511 /*
512  * Overrides for Emacs so that we follow Linus's tabbing style.
513  * ---------------------------------------------------------------------------
514  * Local variables:
515  * c-basic-offset: 8
516  * End:
517  */