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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Mauro Carvalho Chehab56fc08c2005-06-23 22:05:07 -07002 * $Id: tuner-simple.c,v 1.21 2005/06/10 19:53:26 nsh Exp $
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 *
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
60struct 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 */
83static 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
Mauro Carvalho Chehab391cd722005-06-23 22:02:43 -0700215 /* 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},
Michael Krufky3c1d0182005-06-23 22:04:56 -0700220
221 { "Thomson DDT 7611 (ATSC/NTSC)", THOMSON, ATSC,
222 16*157.25,16*454.00,0x39,0x3a,0x3c,0x8e,732},
Mauro Carvalho Chehab56fc08c2005-06-23 22:05:07 -0700223 { "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},
Linus Torvalds1da177e2005-04-16 15:20:36 -0700232};
Mauro Carvalho Chehab56fc08c2005-06-23 22:05:07 -0700233
Linus Torvalds1da177e2005-04-16 15:20:36 -0700234unsigned const int tuner_count = ARRAY_SIZE(tuners);
235
236/* ---------------------------------------------------------------------- */
237
238static 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;
Mauro Carvalho Chehab56fc08c2005-06-23 22:05:07 -0700244
Linus Torvalds1da177e2005-04-16 15:20:36 -0700245 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
Mauro Carvalho Chehab56fc08c2005-06-23 22:05:07 -0700253#define TUNER_STEREO 0x10 /* radio mode */
254#define TUNER_STEREO_MK3 0x04 /* radio mode */
255#define TUNER_SIGNAL 0x07 /* radio mode */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700256
257static int tuner_signal(struct i2c_client *c)
258{
Mauro Carvalho Chehab56fc08c2005-06-23 22:05:07 -0700259 return (tuner_getstatus(c) & TUNER_SIGNAL) << 13;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700260}
261
262static int tuner_stereo(struct i2c_client *c)
263{
Mauro Carvalho Chehab56fc08c2005-06-23 22:05:07 -0700264 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;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700280}
281
282#if 0 /* unused */
283static int tuner_islocked (struct i2c_client *c)
284{
285 return (tuner_getstatus (c) & TUNER_FL);
286}
287
288static int tuner_afcstatus (struct i2c_client *c)
289{
290 return (tuner_getstatus (c) & TUNER_AFC) - 2;
291}
292
293static int tuner_mode (struct i2c_client *c)
294{
295 return (tuner_getstatus (c) & TUNER_MODE) >> 3;
296}
297#endif
298
299/* ---------------------------------------------------------------------- */
300
301static 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
449static 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) {
Mauro Carvalho Chehab56fc08c2005-06-23 22:05:07 -0700462 case TUNER_TENA_9533_DI:
Mauro Carvalho Chehab391cd722005-06-23 22:02:43 -0700463 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;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700470 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
496int 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
Linus Torvalds1da177e2005-04-16 15:20:36 -0700504 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 */