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1da177e4 1/*
1da177e4
LT		 2 * i2c tv tuner chip device driver
3 * controls all those simple 4-control-bytes style tuners.
4adad287
MK		 4 *
5 * This "tuner-simple" module was split apart from the original "tuner" module.
1da177e4
LT		 6 */
7#include <linux/delay.h>
8#include <linux/i2c.h>
f894dfd7 9#include <linux/videodev2.h>
1da177e4 10#include <media/tuner.h>
ba8fc399 11#include <media/v4l2-common.h>
8218b0b2 12#include <media/tuner-types.h>
4adad287
MK		 13#include "tuner-i2c.h"
14#include "tuner-simple.h"
15
9ba0a3c0 16static int debug;
4adad287
MK		 17module_param(debug, int, 0644);
18MODULE_PARM_DESC(debug, "enable verbose debug messages");
19
65511611
MK		 20#define TUNER_SIMPLE_MAX 64
21static unsigned int simple_devcount;
22
9ba0a3c0 23static int offset;
4d98816b 24module_param(offset, int, 0664);
9ba0a3c0 25MODULE_PARM_DESC(offset, "Allows to specify an offset for tuner");
5c07db0c 26
65511611
MK		 27static unsigned int atv_input[TUNER_SIMPLE_MAX] = \
28 { [0 ... (TUNER_SIMPLE_MAX-1)] = 0 };
29static unsigned int dtv_input[TUNER_SIMPLE_MAX] = \
30 { [0 ... (TUNER_SIMPLE_MAX-1)] = 0 };
31module_param_array(atv_input, int, NULL, 0644);
32module_param_array(dtv_input, int, NULL, 0644);
33MODULE_PARM_DESC(atv_input, "specify atv rf input, 0 for autoselect");
34MODULE_PARM_DESC(dtv_input, "specify dtv rf input, 0 for autoselect");
35
1da177e4
LT		 36/* ---------------------------------------------------------------------- */
37
38/* tv standard selection for Temic 4046 FM5
39 this value takes the low bits of control byte 2
40 from datasheet Rev.01, Feb.00
41 standard BG I L L2 D
42 picture IF 38.9 38.9 38.9 33.95 38.9
43 sound 1 33.4 32.9 32.4 40.45 32.4
44 sound 2 33.16
45 NICAM 33.05 32.348 33.05 33.05
46 */
47#define TEMIC_SET_PAL_I 0x05
48#define TEMIC_SET_PAL_DK 0x09
9ba0a3c0
MK		 49#define TEMIC_SET_PAL_L 0x0a /* SECAM ? */
50#define TEMIC_SET_PAL_L2 0x0b /* change IF ! */
1da177e4
LT		 51#define TEMIC_SET_PAL_BG 0x0c
52
53/* tv tuner system standard selection for Philips FQ1216ME
54 this value takes the low bits of control byte 2
55 from datasheet "1999 Nov 16" (supersedes "1999 Mar 23")
6e6a8b5a 56 standard BG DK I L L`
1da177e4
LT		 57 picture carrier 38.90 38.90 38.90 38.90 33.95
58 colour 34.47 34.47 34.47 34.47 38.38
59 sound 1 33.40 32.40 32.90 32.40 40.45
60 sound 2 33.16 - - - -
61 NICAM 33.05 33.05 32.35 33.05 39.80
62 */
63#define PHILIPS_SET_PAL_I 0x01 /* Bit 2 always zero !*/
64#define PHILIPS_SET_PAL_BGDK 0x09
65#define PHILIPS_SET_PAL_L2 0x0a
66#define PHILIPS_SET_PAL_L 0x0b
67
68/* system switching for Philips FI1216MF MK2
69 from datasheet "1996 Jul 09",
70 standard BG L L'
71 picture carrier 38.90 38.90 33.95
72 colour 34.47 34.37 38.38
73 sound 1 33.40 32.40 40.45
74 sound 2 33.16 - -
75 NICAM 33.05 33.05 39.80
76 */
c57032de
MCC		 77#define PHILIPS_MF_SET_STD_BG 0x01 /* Bit 2 must be zero, Bit 3 is system output */
78#define PHILIPS_MF_SET_STD_L 0x03 /* Used on Secam France */
79#define PHILIPS_MF_SET_STD_LC 0x02 /* Used on SECAM L' */
1da177e4 80
f7ce3cc6
MCC		 81/* Control byte */
82
83#define TUNER_RATIO_MASK 0x06 /* Bit cb1:cb2 */
84#define TUNER_RATIO_SELECT_50 0x00
85#define TUNER_RATIO_SELECT_32 0x02
86#define TUNER_RATIO_SELECT_166 0x04
87#define TUNER_RATIO_SELECT_62 0x06
88
89#define TUNER_CHARGE_PUMP 0x40 /* Bit cb6 */
90
91/* Status byte */
92
93#define TUNER_POR 0x80
94#define TUNER_FL 0x40
95#define TUNER_MODE 0x38
96#define TUNER_AFC 0x07
97#define TUNER_SIGNAL 0x07
98#define TUNER_STEREO 0x10
99
100#define TUNER_PLL_LOCKED 0x40
101#define TUNER_STEREO_MK3 0x04
1da177e4 102
62325497
MK		 103static DEFINE_MUTEX(tuner_simple_list_mutex);
104static LIST_HEAD(hybrid_tuner_instance_list);
105
6b1dde90 106struct tuner_simple_priv {
65511611 107 unsigned int nr;
6b1dde90 108 u16 last_div;
62325497 109
db8a6956 110 struct tuner_i2c_props i2c_props;
62325497 111 struct list_head hybrid_tuner_instance_list;
4adad287
MK		 112
113 unsigned int type;
114 struct tunertype *tun;
115
116 u32 frequency;
62325497 117 u32 bandwidth;
dfc2e12d 118 bool radio_mode;
6b1dde90
MK		 119};
120
1da177e4
LT		 121/* ---------------------------------------------------------------------- */
122
735f0b9a 123static int tuner_read_status(struct dvb_frontend *fe)
1da177e4 124{
4adad287 125 struct tuner_simple_priv *priv = fe->tuner_priv;
1da177e4
LT		 126 unsigned char byte;
127
9ba0a3c0 128 if (1 != tuner_i2c_xfer_recv(&priv->i2c_props, &byte, 1))
1da177e4 129 return 0;
56fc08ca 130
1da177e4
LT		 131 return byte;
132}
133
735f0b9a 134static inline int tuner_signal(const int status)
1da177e4 135{
735f0b9a 136 return (status & TUNER_SIGNAL) << 13;
1da177e4
LT		 137}
138
735f0b9a 139static inline int tuner_stereo(const int type, const int status)
1da177e4 140{
735f0b9a 141 switch (type) {
9ba0a3c0
MK		 142 case TUNER_PHILIPS_FM1216ME_MK3:
143 case TUNER_PHILIPS_FM1236_MK3:
144 case TUNER_PHILIPS_FM1256_IH3:
145 case TUNER_LG_NTSC_TAPE:
8f2b7b70 146 case TUNER_TCL_MF02GIP_5N:
9ba0a3c0 147 return ((status & TUNER_SIGNAL) == TUNER_STEREO_MK3);
5bc53a9f
DB		 148 case TUNER_PHILIPS_FM1216MK5:
149 return status | TUNER_STEREO;
9ba0a3c0
MK		 150 default:
151 return status & TUNER_STEREO;
56fc08ca 152 }
735f0b9a 153}
56fc08ca 154
735f0b9a
MK		 155static inline int tuner_islocked(const int status)
156{
157 return (status & TUNER_FL);
158}
159
160static inline int tuner_afcstatus(const int status)
161{
162 return (status & TUNER_AFC) - 2;
1da177e4
LT		 163}
164
1da177e4 165
4adad287
MK		 166static int simple_get_status(struct dvb_frontend *fe, u32 *status)
167{
168 struct tuner_simple_priv *priv = fe->tuner_priv;
a81df363
MK		 169 int tuner_status;
170
171 if (priv->i2c_props.adap == NULL)
172 return -EINVAL;
173
174 tuner_status = tuner_read_status(fe);
4adad287
MK		 175
176 *status = 0;
177
735f0b9a 178 if (tuner_islocked(tuner_status))
4adad287 179 *status = TUNER_STATUS_LOCKED;
735f0b9a 180 if (tuner_stereo(priv->type, tuner_status))
4adad287
MK		 181 *status |= TUNER_STATUS_STEREO;
182
735f0b9a
MK		 183 tuner_dbg("AFC Status: %d\n", tuner_afcstatus(tuner_status));
184
185 return 0;
186}
187
188static int simple_get_rf_strength(struct dvb_frontend *fe, u16 *strength)
189{
190 struct tuner_simple_priv *priv = fe->tuner_priv;
a81df363
MK		 191 int signal;
192
dfc2e12d 193 if (priv->i2c_props.adap == NULL || !priv->radio_mode)
a81df363
MK		 194 return -EINVAL;
195
196 signal = tuner_signal(tuner_read_status(fe));
735f0b9a
MK		 197
198 *strength = signal;
199
200 tuner_dbg("Signal strength: %d\n", signal);
4adad287
MK		 201
202 return 0;
203}
204
1da177e4
LT		 205/* ---------------------------------------------------------------------- */
206
be71f7dc
MK		 207static inline char *tuner_param_name(enum param_type type)
208{
209 char *name;
210
211 switch (type) {
212 case TUNER_PARAM_TYPE_RADIO:
213 name = "radio";
214 break;
215 case TUNER_PARAM_TYPE_PAL:
216 name = "pal";
217 break;
218 case TUNER_PARAM_TYPE_SECAM:
219 name = "secam";
220 break;
221 case TUNER_PARAM_TYPE_NTSC:
222 name = "ntsc";
223 break;
62325497
MK		 224 case TUNER_PARAM_TYPE_DIGITAL:
225 name = "digital";
226 break;
be71f7dc
MK		 227 default:
228 name = "unknown";
229 break;
230 }
231 return name;
232}
233
234static struct tuner_params *simple_tuner_params(struct dvb_frontend *fe,
235 enum param_type desired_type)
236{
237 struct tuner_simple_priv *priv = fe->tuner_priv;
238 struct tunertype *tun = priv->tun;
239 int i;
240
241 for (i = 0; i < tun->count; i++)
242 if (desired_type == tun->params[i].type)
243 break;
244
245 /* use default tuner params if desired_type not available */
246 if (i == tun->count) {
247 tuner_dbg("desired params (%s) undefined for tuner %d\n",
248 tuner_param_name(desired_type), priv->type);
249 i = 0;
250 }
251
252 tuner_dbg("using tuner params #%d (%s)\n", i,
253 tuner_param_name(tun->params[i].type));
254
255 return &tun->params[i];
256}
257
258static int simple_config_lookup(struct dvb_frontend *fe,
259 struct tuner_params *t_params,
c6eb8eaf 260 unsigned *frequency, u8 *config, u8 *cb)
be71f7dc
MK		 261{
262 struct tuner_simple_priv *priv = fe->tuner_priv;
263 int i;
264
265 for (i = 0; i < t_params->count; i++) {
266 if (*frequency > t_params->ranges[i].limit)
267 continue;
268 break;
269 }
270 if (i == t_params->count) {
271 tuner_dbg("frequency out of range (%d > %d)\n",
272 *frequency, t_params->ranges[i - 1].limit);
273 *frequency = t_params->ranges[--i].limit;
274 }
275 *config = t_params->ranges[i].config;
276 *cb = t_params->ranges[i].cb;
277
8ca2e927 278 tuner_dbg("freq = %d.%02d (%d), range = %d, config = 0x%02x, cb = 0x%02x\n",
7f8447d1
MK		 279 *frequency / 16, *frequency % 16 * 100 / 16, *frequency,
280 i, *config, *cb);
be71f7dc
MK		 281
282 return i;
283}
284
285/* ---------------------------------------------------------------------- */
286
02f5f444
MK		 287static void simple_set_rf_input(struct dvb_frontend *fe,
288 u8 *config, u8 *cb, unsigned int rf)
289{
290 struct tuner_simple_priv *priv = fe->tuner_priv;
291
292 switch (priv->type) {
293 case TUNER_PHILIPS_TUV1236D:
294 switch (rf) {
295 case 1:
296 *cb |= 0x08;
297 break;
298 default:
299 *cb &= ~0x08;
300 break;
301 }
302 break;
ab8b870e 303 case TUNER_PHILIPS_FCV1236D:
02f5f444
MK		 304 switch (rf) {
305 case 1:
306 *cb |= 0x01;
307 break;
308 default:
309 *cb &= ~0x01;
310 break;
311 }
312 break;
313 default:
314 break;
315 }
316}
317
c7a9f3aa
MK		 318static int simple_std_setup(struct dvb_frontend *fe,
319 struct analog_parameters *params,
f13613ac 320 u8 *config, u8 *cb)
1da177e4 321{
4adad287 322 struct tuner_simple_priv *priv = fe->tuner_priv;
c7a9f3aa 323 int rc;
5f594187 324
1da177e4 325 /* tv norm specific stuff for multi-norm tuners */
4adad287 326 switch (priv->type) {
9ba0a3c0 327 case TUNER_PHILIPS_SECAM: /* FI1216MF */
1da177e4
LT		 328 /* 0x01 -> ??? no change ??? */
329 /* 0x02 -> PAL BDGHI / SECAM L */
330 /* 0x04 -> ??? PAL others / SECAM others ??? */
c7a9f3aa 331 *cb &= ~0x03;
9ba0a3c0
MK		 332 if (params->std & V4L2_STD_SECAM_L)
333 /* also valid for V4L2_STD_SECAM */
c7a9f3aa 334 *cb |= PHILIPS_MF_SET_STD_L;
4adad287 335 else if (params->std & V4L2_STD_SECAM_LC)
c7a9f3aa 336 *cb |= PHILIPS_MF_SET_STD_LC;
82c01d3d 337 else /* V4L2_STD_B|V4L2_STD_GH */
c7a9f3aa 338 *cb |= PHILIPS_MF_SET_STD_BG;
1da177e4
LT		 339 break;
340
341 case TUNER_TEMIC_4046FM5:
c7a9f3aa 342 *cb &= ~0x0f;
1da177e4 343
4adad287 344 if (params->std & V4L2_STD_PAL_BG) {
c7a9f3aa 345 *cb |= TEMIC_SET_PAL_BG;
1da177e4 346
4adad287 347 } else if (params->std & V4L2_STD_PAL_I) {
c7a9f3aa 348 *cb |= TEMIC_SET_PAL_I;
1da177e4 349
4adad287 350 } else if (params->std & V4L2_STD_PAL_DK) {
c7a9f3aa 351 *cb |= TEMIC_SET_PAL_DK;
1da177e4 352
4adad287 353 } else if (params->std & V4L2_STD_SECAM_L) {
c7a9f3aa 354 *cb |= TEMIC_SET_PAL_L;
1da177e4
LT		 355
356 }
357 break;
358
359 case TUNER_PHILIPS_FQ1216ME:
c7a9f3aa 360 *cb &= ~0x0f;
1da177e4 361
4adad287 362 if (params->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) {
c7a9f3aa 363 *cb |= PHILIPS_SET_PAL_BGDK;
1da177e4 364
4adad287 365 } else if (params->std & V4L2_STD_PAL_I) {
c7a9f3aa 366 *cb |= PHILIPS_SET_PAL_I;
1da177e4 367
4adad287 368 } else if (params->std & V4L2_STD_SECAM_L) {
c7a9f3aa 369 *cb |= PHILIPS_SET_PAL_L;
1da177e4
LT		 370
371 }
372 break;
373
ab8b870e 374 case TUNER_PHILIPS_FCV1236D:
1da177e4
LT		 375 /* 0x00 -> ATSC antenna input 1 */
376 /* 0x01 -> ATSC antenna input 2 */
377 /* 0x02 -> NTSC antenna input 1 */
378 /* 0x03 -> NTSC antenna input 2 */
c7a9f3aa 379 *cb &= ~0x03;
4adad287 380 if (!(params->std & V4L2_STD_ATSC))
c7a9f3aa 381 *cb |= 2;
1da177e4
LT		 382 break;
383
384 case TUNER_MICROTUNE_4042FI5:
385 /* Set the charge pump for fast tuning */
c7a9f3aa 386 *config |= TUNER_CHARGE_PUMP;
1da177e4 387 break;
e976f937
KL		 388
389 case TUNER_PHILIPS_TUV1236D:
f13613ac 390 {
ef88f2b5 391 struct tuner_i2c_props i2c = priv->i2c_props;
e976f937
KL		 392 /* 0x40 -> ATSC antenna input 1 */
393 /* 0x48 -> ATSC antenna input 2 */
394 /* 0x00 -> NTSC antenna input 1 */
395 /* 0x08 -> NTSC antenna input 2 */
f13613ac 396 u8 buffer[4] = { 0x14, 0x00, 0x17, 0x00};
c7a9f3aa 397 *cb &= ~0x40;
4adad287 398 if (params->std & V4L2_STD_ATSC) {
c7a9f3aa 399 *cb |= 0x40;
fde6d31e
KL		 400 buffer[1] = 0x04;
401 }
402 /* set to the correct mode (analog or digital) */
ef88f2b5
MCC		 403 i2c.addr = 0x0a;
404 rc = tuner_i2c_xfer_send(&i2c, &buffer[0], 2);
9ba0a3c0 405 if (2 != rc)
8ca2e927
MCC		 406 tuner_warn("i2c i/o error: rc == %d (should be 2)\n",
407 rc);
ef88f2b5 408 rc = tuner_i2c_xfer_send(&i2c, &buffer[2], 2);
9ba0a3c0 409 if (2 != rc)
8ca2e927
MCC		 410 tuner_warn("i2c i/o error: rc == %d (should be 2)\n",
411 rc);
e976f937 412 break;
1da177e4 413 }
f13613ac 414 }
65511611
MK		 415 if (atv_input[priv->nr])
416 simple_set_rf_input(fe, config, cb, atv_input[priv->nr]);
1da177e4 417
c7a9f3aa
MK		 418 return 0;
419}
420
5ddc9b10
AW		 421static int simple_set_aux_byte(struct dvb_frontend *fe, u8 config, u8 aux)
422{
423 struct tuner_simple_priv *priv = fe->tuner_priv;
424 int rc;
425 u8 buffer[2];
426
427 buffer[0] = (config & ~0x38) | 0x18;
428 buffer[1] = aux;
429
430 tuner_dbg("setting aux byte: 0x%02x 0x%02x\n", buffer[0], buffer[1]);
431
432 rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 2);
433 if (2 != rc)
434 tuner_warn("i2c i/o error: rc == %d (should be 2)\n", rc);
435
436 return rc == 2 ? 0 : rc;
437}
438
c7a9f3aa
MK		 439static int simple_post_tune(struct dvb_frontend *fe, u8 *buffer,
440 u16 div, u8 config, u8 cb)
441{
442 struct tuner_simple_priv *priv = fe->tuner_priv;
443 int rc;
444
445 switch (priv->type) {
446 case TUNER_LG_TDVS_H06XF:
5ddc9b10
AW		 447 simple_set_aux_byte(fe, config, 0x20);
448 break;
449 case TUNER_PHILIPS_FQ1216LME_MK3:
450 simple_set_aux_byte(fe, config, 0x60); /* External AGC */
c7a9f3aa
MK		 451 break;
452 case TUNER_MICROTUNE_4042FI5:
453 {
454 /* FIXME - this may also work for other tuners */
455 unsigned long timeout = jiffies + msecs_to_jiffies(1);
456 u8 status_byte = 0;
457
458 /* Wait until the PLL locks */
459 for (;;) {
460 if (time_after(jiffies, timeout))
461 return 0;
462 rc = tuner_i2c_xfer_recv(&priv->i2c_props,
463 &status_byte, 1);
464 if (1 != rc) {
8ca2e927
MCC		 465 tuner_warn("i2c i/o read error: rc == %d (should be 1)\n",
466 rc);
c7a9f3aa
MK		 467 break;
468 }
469 if (status_byte & TUNER_PLL_LOCKED)
470 break;
471 udelay(10);
472 }
473
474 /* Set the charge pump for optimized phase noise figure */
475 config &= ~TUNER_CHARGE_PUMP;
476 buffer[0] = (div>>8) & 0x7f;
477 buffer[1] = div & 0xff;
478 buffer[2] = config;
479 buffer[3] = cb;
480 tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
481 buffer[0], buffer[1], buffer[2], buffer[3]);
482
483 rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
484 if (4 != rc)
8ca2e927
MCC		 485 tuner_warn("i2c i/o error: rc == %d (should be 4)\n",
486 rc);
c7a9f3aa
MK		 487 break;
488 }
489 }
490
491 return 0;
492}
493
494static int simple_radio_bandswitch(struct dvb_frontend *fe, u8 *buffer)
495{
496 struct tuner_simple_priv *priv = fe->tuner_priv;
497
498 switch (priv->type) {
499 case TUNER_TENA_9533_DI:
500 case TUNER_YMEC_TVF_5533MF:
8ca2e927 501 tuner_dbg("This tuner doesn't have FM. Most cards have a TEA5767 for FM\n");
c7a9f3aa
MK		 502 return 0;
503 case TUNER_PHILIPS_FM1216ME_MK3:
504 case TUNER_PHILIPS_FM1236_MK3:
505 case TUNER_PHILIPS_FMD1216ME_MK3:
953cafc0 506 case TUNER_PHILIPS_FMD1216MEX_MK3:
c7a9f3aa
MK		 507 case TUNER_LG_NTSC_TAPE:
508 case TUNER_PHILIPS_FM1256_IH3:
8f2b7b70 509 case TUNER_TCL_MF02GIP_5N:
c7a9f3aa
MK		 510 buffer[3] = 0x19;
511 break;
5bc53a9f
DB		 512 case TUNER_PHILIPS_FM1216MK5:
513 buffer[2] = 0x88;
514 buffer[3] = 0x09;
515 break;
c7a9f3aa
MK		 516 case TUNER_TNF_5335MF:
517 buffer[3] = 0x11;
518 break;
519 case TUNER_LG_PAL_FM:
520 buffer[3] = 0xa5;
521 break;
522 case TUNER_THOMSON_DTT761X:
523 buffer[3] = 0x39;
524 break;
5ddc9b10 525 case TUNER_PHILIPS_FQ1216LME_MK3:
095c2471 526 case TUNER_PHILIPS_FQ1236_MK5:
5ddc9b10
AW		 527 tuner_err("This tuner doesn't have FM\n");
528 /* Set the low band for sanity, since it covers 88-108 MHz */
529 buffer[3] = 0x01;
530 break;
c7a9f3aa
MK		 531 case TUNER_MICROTUNE_4049FM5:
532 default:
533 buffer[3] = 0xa4;
534 break;
535 }
536
537 return 0;
538}
539
540/* ---------------------------------------------------------------------- */
541
542static int simple_set_tv_freq(struct dvb_frontend *fe,
543 struct analog_parameters *params)
544{
545 struct tuner_simple_priv *priv = fe->tuner_priv;
546 u8 config, cb;
547 u16 div;
c7a9f3aa
MK		 548 u8 buffer[4];
549 int rc, IFPCoff, i;
550 enum param_type desired_type;
551 struct tuner_params *t_params;
552
c7a9f3aa
MK		 553 /* IFPCoff = Video Intermediate Frequency - Vif:
554 940 =16*58.75 NTSC/J (Japan)
555 732 =16*45.75 M/N STD
556 704 =16*44 ATSC (at DVB code)
557 632 =16*39.50 I U.K.
558 622.4=16*38.90 B/G D/K I, L STD
559 592 =16*37.00 D China
560 590 =16.36.875 B Australia
561 543.2=16*33.95 L' STD
562 171.2=16*10.70 FM Radio (at set_radio_freq)
563 */
564
565 if (params->std == V4L2_STD_NTSC_M_JP) {
566 IFPCoff = 940;
567 desired_type = TUNER_PARAM_TYPE_NTSC;
568 } else if ((params->std & V4L2_STD_MN) &&
569 !(params->std & ~V4L2_STD_MN)) {
570 IFPCoff = 732;
571 desired_type = TUNER_PARAM_TYPE_NTSC;
572 } else if (params->std == V4L2_STD_SECAM_LC) {
573 IFPCoff = 543;
574 desired_type = TUNER_PARAM_TYPE_SECAM;
575 } else {
576 IFPCoff = 623;
577 desired_type = TUNER_PARAM_TYPE_PAL;
578 }
579
580 t_params = simple_tuner_params(fe, desired_type);
581
582 i = simple_config_lookup(fe, t_params, &params->frequency,
583 &config, &cb);
584
585 div = params->frequency + IFPCoff + offset;
586
8ca2e927 587 tuner_dbg("Freq= %d.%02d MHz, V_IF=%d.%02d MHz, Offset=%d.%02d MHz, div=%0d\n",
c7a9f3aa
MK		 588 params->frequency / 16, params->frequency % 16 * 100 / 16,
589 IFPCoff / 16, IFPCoff % 16 * 100 / 16,
590 offset / 16, offset % 16 * 100 / 16, div);
591
592 /* tv norm specific stuff for multi-norm tuners */
f13613ac 593 simple_std_setup(fe, params, &config, &cb);
c7a9f3aa 594
4adad287 595 if (t_params->cb_first_if_lower_freq && div < priv->last_div) {
3fc46d35 596 buffer[0] = config;
ab66b22f 597 buffer[1] = cb;
1da177e4
LT		 598 buffer[2] = (div>>8) & 0x7f;
599 buffer[3] = div & 0xff;
600 } else {
601 buffer[0] = (div>>8) & 0x7f;
602 buffer[1] = div & 0xff;
3fc46d35 603 buffer[2] = config;
ab66b22f 604 buffer[3] = cb;
1da177e4 605 }
6b1dde90 606 priv->last_div = div;
4adad287 607 if (t_params->has_tda9887) {
7f171123 608 struct v4l2_priv_tun_config tda9887_cfg;
c6eb8eaf 609 int tda_config = 0;
9ba0a3c0
MK		 610 int is_secam_l = (params->std & (V4L2_STD_SECAM_L |
611 V4L2_STD_SECAM_LC)) &&
612 !(params->std & ~(V4L2_STD_SECAM_L |
613 V4L2_STD_SECAM_LC));
ba8fc399 614
7f171123 615 tda9887_cfg.tuner = TUNER_TDA9887;
c6eb8eaf 616 tda9887_cfg.priv = &tda_config;
7f171123 617
4adad287
MK		 618 if (params->std == V4L2_STD_SECAM_LC) {
619 if (t_params->port1_active ^ t_params->port1_invert_for_secam_lc)
c6eb8eaf 620 tda_config |= TDA9887_PORT1_ACTIVE;
4adad287 621 if (t_params->port2_active ^ t_params->port2_invert_for_secam_lc)
c6eb8eaf 622 tda_config |= TDA9887_PORT2_ACTIVE;
9ba0a3c0 623 } else {
4adad287 624 if (t_params->port1_active)
c6eb8eaf 625 tda_config |= TDA9887_PORT1_ACTIVE;
4adad287 626 if (t_params->port2_active)
c6eb8eaf 627 tda_config |= TDA9887_PORT2_ACTIVE;
ba8fc399 628 }
4adad287 629 if (t_params->intercarrier_mode)
c6eb8eaf 630 tda_config |= TDA9887_INTERCARRIER;
ba8fc399 631 if (is_secam_l) {
4adad287 632 if (i == 0 && t_params->default_top_secam_low)
c6eb8eaf 633 tda_config |= TDA9887_TOP(t_params->default_top_secam_low);
4adad287 634 else if (i == 1 && t_params->default_top_secam_mid)
c6eb8eaf 635 tda_config |= TDA9887_TOP(t_params->default_top_secam_mid);
4adad287 636 else if (t_params->default_top_secam_high)
c6eb8eaf 637 tda_config |= TDA9887_TOP(t_params->default_top_secam_high);
9ba0a3c0 638 } else {
4adad287 639 if (i == 0 && t_params->default_top_low)
c6eb8eaf 640 tda_config |= TDA9887_TOP(t_params->default_top_low);
4adad287 641 else if (i == 1 && t_params->default_top_mid)
c6eb8eaf 642 tda_config |= TDA9887_TOP(t_params->default_top_mid);
4adad287 643 else if (t_params->default_top_high)
c6eb8eaf 644 tda_config |= TDA9887_TOP(t_params->default_top_high);
ba8fc399 645 }
4adad287 646 if (t_params->default_pll_gating_18)
c6eb8eaf 647 tda_config |= TDA9887_GATING_18;
7f171123
MCC		 648 i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG,
649 &tda9887_cfg);
ba8fc399 650 }
1da177e4 651 tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
9ba0a3c0 652 buffer[0], buffer[1], buffer[2], buffer[3]);
1da177e4 653
9ba0a3c0
MK		 654 rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
655 if (4 != rc)
656 tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc);
1da177e4 657
c7a9f3aa 658 simple_post_tune(fe, &buffer[0], div, config, cb);
1da177e4 659
4adad287 660 return 0;
1da177e4
LT		 661}
662
4adad287
MK		 663static int simple_set_radio_freq(struct dvb_frontend *fe,
664 struct analog_parameters *params)
1da177e4
LT		 665{
666 struct tunertype *tun;
4adad287 667 struct tuner_simple_priv *priv = fe->tuner_priv;
27487d44
HV		 668 u8 buffer[4];
669 u16 div;
7b0ac9cd 670 int rc, j;
4adad287
MK		 671 struct tuner_params *t_params;
672 unsigned int freq = params->frequency;
1da177e4 673
4adad287 674 tun = priv->tun;
476d63d0 675
5e082f15
TP		 676 for (j = tun->count-1; j > 0; j--)
677 if (tun->params[j].type == TUNER_PARAM_TYPE_RADIO)
678 break;
4adad287
MK		 679 /* default t_params (j=0) will be used if desired type wasn't found */
680 t_params = &tun->params[j];
5e082f15
TP		 681
682 /* Select Radio 1st IF used */
4adad287 683 switch (t_params->radio_if) {
5e082f15
TP		 684 case 0: /* 10.7 MHz */
685 freq += (unsigned int)(10.7*16000);
476d63d0 686 break;
5e082f15
TP		 687 case 1: /* 33.3 MHz */
688 freq += (unsigned int)(33.3*16000);
689 break;
690 case 2: /* 41.3 MHz */
691 freq += (unsigned int)(41.3*16000);
692 break;
693 default:
9ba0a3c0
MK		 694 tuner_warn("Unsupported radio_if value %d\n",
695 t_params->radio_if);
4adad287 696 return 0;
476d63d0 697 }
1da177e4 698
4adad287 699 buffer[2] = (t_params->ranges[0].config & ~TUNER_RATIO_MASK) |
5e082f15
TP		 700 TUNER_RATIO_SELECT_50; /* 50 kHz step */
701
436ae138
DB		 702 /* Bandswitch byte */
703 simple_radio_bandswitch(fe, &buffer[0]);
704
5e082f15
TP		 705 /* Convert from 1/16 kHz V4L steps to 1/20 MHz (=50 kHz) PLL steps
706 freq * (1 Mhz / 16000 V4L steps) * (20 PLL steps / 1 MHz) =
707 freq * (1/800) */
708 div = (freq + 400) / 800;
709
4adad287 710 if (t_params->cb_first_if_lower_freq && div < priv->last_div) {
27487d44
HV		 711 buffer[0] = buffer[2];
712 buffer[1] = buffer[3];
713 buffer[2] = (div>>8) & 0x7f;
714 buffer[3] = div & 0xff;
715 } else {
716 buffer[0] = (div>>8) & 0x7f;
717 buffer[1] = div & 0xff;
718 }
1da177e4
LT		 719
720 tuner_dbg("radio 0x%02x 0x%02x 0x%02x 0x%02x\n",
9ba0a3c0 721 buffer[0], buffer[1], buffer[2], buffer[3]);
6b1dde90 722 priv->last_div = div;
1da177e4 723
4adad287 724 if (t_params->has_tda9887) {
ba8fc399 725 int config = 0;
7f171123
MCC		 726 struct v4l2_priv_tun_config tda9887_cfg;
727
728 tda9887_cfg.tuner = TUNER_TDA9887;
729 tda9887_cfg.priv = &config;
730
9ba0a3c0
MK		 731 if (t_params->port1_active &&
732 !t_params->port1_fm_high_sensitivity)
ba8fc399 733 config |= TDA9887_PORT1_ACTIVE;
9ba0a3c0
MK		 734 if (t_params->port2_active &&
735 !t_params->port2_fm_high_sensitivity)
ba8fc399 736 config |= TDA9887_PORT2_ACTIVE;
4adad287 737 if (t_params->intercarrier_mode)
ba8fc399 738 config |= TDA9887_INTERCARRIER;
4adad287 739/* if (t_params->port1_set_for_fm_mono)
ba8fc399 740 config &= ~TDA9887_PORT1_ACTIVE;*/
4adad287 741 if (t_params->fm_gain_normal)
483deb0f 742 config |= TDA9887_GAIN_NORMAL;
4adad287 743 if (t_params->radio_if == 2)
5e082f15 744 config |= TDA9887_RIF_41_3;
7f171123 745 i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG,
9ba0a3c0 746 &tda9887_cfg);
ba8fc399 747 }
9ba0a3c0
MK		 748 rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
749 if (4 != rc)
750 tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc);
4adad287 751
fabade54
DB		 752 /* Write AUX byte */
753 switch (priv->type) {
754 case TUNER_PHILIPS_FM1216ME_MK3:
755 buffer[2] = 0x98;
756 buffer[3] = 0x20; /* set TOP AGC */
757 rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
758 if (4 != rc)
759 tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc);
760 break;
761 }
762
4adad287 763 return 0;
1da177e4
LT		 764}
765
4adad287
MK		 766static int simple_set_params(struct dvb_frontend *fe,
767 struct analog_parameters *params)
6b1dde90 768{
4adad287
MK		 769 struct tuner_simple_priv *priv = fe->tuner_priv;
770 int ret = -EINVAL;
771
a81df363
MK		 772 if (priv->i2c_props.adap == NULL)
773 return -EINVAL;
774
4adad287
MK		 775 switch (params->mode) {
776 case V4L2_TUNER_RADIO:
dfc2e12d 777 priv->radio_mode = true;
4adad287
MK		 778 ret = simple_set_radio_freq(fe, params);
779 priv->frequency = params->frequency * 125 / 2;
780 break;
781 case V4L2_TUNER_ANALOG_TV:
782 case V4L2_TUNER_DIGITAL_TV:
dfc2e12d 783 priv->radio_mode = false;
4adad287
MK		 784 ret = simple_set_tv_freq(fe, params);
785 priv->frequency = params->frequency * 62500;
786 break;
787 }
62325497 788 priv->bandwidth = 0;
4adad287
MK		 789
790 return ret;
791}
792
23a88108 793static void simple_set_dvb(struct dvb_frontend *fe, u8 *buf,
9481f400
MCC		 794 const u32 delsys,
795 const u32 frequency,
796 const u32 bandwidth)
23a88108
MK		 797{
798 struct tuner_simple_priv *priv = fe->tuner_priv;
799
800 switch (priv->type) {
801 case TUNER_PHILIPS_FMD1216ME_MK3:
953cafc0 802 case TUNER_PHILIPS_FMD1216MEX_MK3:
9481f400
MCC		 803 if (bandwidth == 8000000 &&
804 frequency >= 158870000)
23a88108
MK		 805 buf[3] |= 0x08;
806 break;
0e5d383b
MK		 807 case TUNER_PHILIPS_TD1316:
808 /* determine band */
9481f400
MCC		 809 buf[3] |= (frequency < 161000000) ? 1 :
810 (frequency < 444000000) ? 2 : 4;
0e5d383b
MK		 811
812 /* setup PLL filter */
9481f400 813 if (bandwidth == 8000000)
0e5d383b
MK		 814 buf[3] |= 1 << 3;
815 break;
02f5f444 816 case TUNER_PHILIPS_TUV1236D:
ab8b870e 817 case TUNER_PHILIPS_FCV1236D:
02f5f444
MK		 818 {
819 unsigned int new_rf;
820
65511611
MK		 821 if (dtv_input[priv->nr])
822 new_rf = dtv_input[priv->nr];
823 else
9481f400
MCC		 824 switch (delsys) {
825 case SYS_DVBC_ANNEX_B:
65511611
MK		 826 new_rf = 1;
827 break;
9481f400 828 case SYS_ATSC:
65511611
MK		 829 default:
830 new_rf = 0;
831 break;
832 }
02f5f444
MK		 833 simple_set_rf_input(fe, &buf[2], &buf[3], new_rf);
834 break;
835 }
23a88108
MK		 836 default:
837 break;
838 }
839}
840
a2a7f84b 841static u32 simple_dvb_configure(struct dvb_frontend *fe, u8 *buf,
9481f400
MCC		 842 const u32 delsys,
843 const u32 freq,
844 const u32 bw)
62325497 845{
a2a7f84b 846 /* This function returns the tuned frequency on success, 0 on error */
62325497
MK		 847 struct tuner_simple_priv *priv = fe->tuner_priv;
848 struct tunertype *tun = priv->tun;
6ad33dec 849 struct tuner_params *t_params;
62325497
MK		 850 u8 config, cb;
851 u32 div;
c6eb8eaf 852 int ret;
9481f400 853 u32 frequency = freq / 62500;
62325497 854
6b55009e
MK		 855 if (!tun->stepsize) {
856 /* tuner-core was loaded before the digital tuner was
857 * configured and somehow picked the wrong tuner type */
8ca2e927 858 tuner_err("attempt to treat tuner %d (%s) as digital tuner without stepsize defined.\n",
6b55009e
MK		 859 priv->type, priv->tun->name);
860 return 0; /* failure */
861 }
862
62325497
MK		 863 t_params = simple_tuner_params(fe, TUNER_PARAM_TYPE_DIGITAL);
864 ret = simple_config_lookup(fe, t_params, &frequency, &config, &cb);
865 if (ret < 0)
a2a7f84b 866 return 0; /* failure */
62325497
MK		 867
868 div = ((frequency + t_params->iffreq) * 62500 + offset +
869 tun->stepsize/2) / tun->stepsize;
870
871 buf[0] = div >> 8;
872 buf[1] = div & 0xff;
873 buf[2] = config;
874 buf[3] = cb;
875
9481f400 876 simple_set_dvb(fe, buf, delsys, freq, bw);
23a88108 877
62325497
MK		 878 tuner_dbg("%s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n",
879 tun->name, div, buf[0], buf[1], buf[2], buf[3]);
880
881 /* calculate the frequency we set it to */
882 return (div * tun->stepsize) - t_params->iffreq;
883}
884
885static int simple_dvb_calc_regs(struct dvb_frontend *fe,
62325497
MK		 886 u8 *buf, int buf_len)
887{
9481f400
MCC		 888 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
889 u32 delsys = c->delivery_system;
890 u32 bw = c->bandwidth_hz;
62325497 891 struct tuner_simple_priv *priv = fe->tuner_priv;
62325497
MK		 892 u32 frequency;
893
894 if (buf_len < 5)
895 return -EINVAL;
896
249fa0b0 897 frequency = simple_dvb_configure(fe, buf+1, delsys, c->frequency, bw);
a2a7f84b
MK		 898 if (frequency == 0)
899 return -EINVAL;
62325497
MK		 900
901 buf[0] = priv->i2c_props.addr;
902
903 priv->frequency = frequency;
249fa0b0 904 priv->bandwidth = c->bandwidth_hz;
62325497
MK		 905
906 return 5;
907}
908
14d24d14 909static int simple_dvb_set_params(struct dvb_frontend *fe)
62325497 910{
9481f400
MCC		 911 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
912 u32 delsys = c->delivery_system;
913 u32 bw = c->bandwidth_hz;
914 u32 freq = c->frequency;
62325497 915 struct tuner_simple_priv *priv = fe->tuner_priv;
9481f400 916 u32 frequency;
62325497
MK		 917 u32 prev_freq, prev_bw;
918 int ret;
919 u8 buf[5];
920
921 if (priv->i2c_props.adap == NULL)
922 return -EINVAL;
923
924 prev_freq = priv->frequency;
925 prev_bw = priv->bandwidth;
926
9481f400
MCC		 927 frequency = simple_dvb_configure(fe, buf+1, delsys, freq, bw);
928 if (frequency == 0)
929 return -EINVAL;
930
931 buf[0] = priv->i2c_props.addr;
932
933 priv->frequency = frequency;
934 priv->bandwidth = bw;
62325497
MK		 935
936 /* put analog demod in standby when tuning digital */
937 if (fe->ops.analog_ops.standby)
938 fe->ops.analog_ops.standby(fe);
939
940 if (fe->ops.i2c_gate_ctrl)
941 fe->ops.i2c_gate_ctrl(fe, 1);
942
943 /* buf[0] contains the i2c address, but *
944 * we already have it in i2c_props.addr */
945 ret = tuner_i2c_xfer_send(&priv->i2c_props, buf+1, 4);
946 if (ret != 4)
947 goto fail;
948
949 return 0;
950fail:
951 /* calc_regs sets frequency and bandwidth. if we failed, unset them */
952 priv->frequency = prev_freq;
953 priv->bandwidth = prev_bw;
954
955 return ret;
956}
4adad287 957
6f4a5729
MK		 958static int simple_init(struct dvb_frontend *fe)
959{
960 struct tuner_simple_priv *priv = fe->tuner_priv;
961
962 if (priv->i2c_props.adap == NULL)
963 return -EINVAL;
964
965 if (priv->tun->initdata) {
966 int ret;
967
968 if (fe->ops.i2c_gate_ctrl)
969 fe->ops.i2c_gate_ctrl(fe, 1);
970
971 ret = tuner_i2c_xfer_send(&priv->i2c_props,
972 priv->tun->initdata + 1,
973 priv->tun->initdata[0]);
974 if (ret != priv->tun->initdata[0])
975 return ret;
976 }
977
978 return 0;
979}
980
981static int simple_sleep(struct dvb_frontend *fe)
982{
983 struct tuner_simple_priv *priv = fe->tuner_priv;
984
985 if (priv->i2c_props.adap == NULL)
986 return -EINVAL;
987
988 if (priv->tun->sleepdata) {
989 int ret;
990
991 if (fe->ops.i2c_gate_ctrl)
992 fe->ops.i2c_gate_ctrl(fe, 1);
993
994 ret = tuner_i2c_xfer_send(&priv->i2c_props,
995 priv->tun->sleepdata + 1,
996 priv->tun->sleepdata[0]);
997 if (ret != priv->tun->sleepdata[0])
998 return ret;
999 }
1000
1001 return 0;
1002}
1003
194ced7a 1004static void simple_release(struct dvb_frontend *fe)
4adad287 1005{
62325497
MK		 1006 struct tuner_simple_priv *priv = fe->tuner_priv;
1007
1008 mutex_lock(&tuner_simple_list_mutex);
1009
1010 if (priv)
1011 hybrid_tuner_release_state(priv);
1012
1013 mutex_unlock(&tuner_simple_list_mutex);
1014
4adad287 1015 fe->tuner_priv = NULL;
4adad287
MK		 1016}
1017
1018static int simple_get_frequency(struct dvb_frontend *fe, u32 *frequency)
1019{
1020 struct tuner_simple_priv *priv = fe->tuner_priv;
1021 *frequency = priv->frequency;
1022 return 0;
6b1dde90
MK		 1023}
1024
62325497
MK		 1025static int simple_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
1026{
1027 struct tuner_simple_priv *priv = fe->tuner_priv;
c6f56e7d 1028 *bandwidth = priv->bandwidth;
62325497
MK		 1029 return 0;
1030}
1031
96105144 1032static const struct dvb_tuner_ops simple_tuner_ops = {
6f4a5729
MK		 1033 .init = simple_init,
1034 .sleep = simple_sleep,
4adad287 1035 .set_analog_params = simple_set_params,
62325497
MK		 1036 .set_params = simple_dvb_set_params,
1037 .calc_regs = simple_dvb_calc_regs,
735f0b9a
MK		 1038 .release = simple_release,
1039 .get_frequency = simple_get_frequency,
62325497 1040 .get_bandwidth = simple_get_bandwidth,
735f0b9a
MK		 1041 .get_status = simple_get_status,
1042 .get_rf_strength = simple_get_rf_strength,
5d807c9f
MK		 1043};
1044
4adad287
MK		 1045struct dvb_frontend *simple_tuner_attach(struct dvb_frontend *fe,
1046 struct i2c_adapter *i2c_adap,
1047 u8 i2c_addr,
060a5bd7 1048 unsigned int type)
1da177e4 1049{
6b1dde90 1050 struct tuner_simple_priv *priv = NULL;
62325497 1051 int instance;
6b1dde90 1052
65e8d29f
MK		 1053 if (type >= tuner_count) {
1054 printk(KERN_WARNING "%s: invalid tuner type: %d (max: %d)\n",
7e28adb2 1055 __func__, type, tuner_count-1);
65e8d29f
MK		 1056 return NULL;
1057 }
1058
e827931e
MK		 1059 /* If i2c_adap is set, check that the tuner is at the correct address.
1060 * Otherwise, if i2c_adap is NULL, the tuner will be programmed directly
1061 * by the digital demod via calc_regs.
1062 */
1063 if (i2c_adap != NULL) {
1064 u8 b[1];
1065 struct i2c_msg msg = {
1066 .addr = i2c_addr, .flags = I2C_M_RD,
1067 .buf = b, .len = 1,
1068 };
1069
1070 if (fe->ops.i2c_gate_ctrl)
1071 fe->ops.i2c_gate_ctrl(fe, 1);
1072
1073 if (1 != i2c_transfer(i2c_adap, &msg, 1))
8ca2e927 1074 printk(KERN_WARNING "tuner-simple %d-%04x: unable to probe %s, proceeding anyway.",
3b4a9714
AW		 1075 i2c_adapter_id(i2c_adap), i2c_addr,
1076 tuners[type].name);
e827931e
MK		 1077
1078 if (fe->ops.i2c_gate_ctrl)
1079 fe->ops.i2c_gate_ctrl(fe, 0);
1080 }
1081
62325497
MK		 1082 mutex_lock(&tuner_simple_list_mutex);
1083
1084 instance = hybrid_tuner_request_state(struct tuner_simple_priv, priv,
1085 hybrid_tuner_instance_list,
1086 i2c_adap, i2c_addr,
1087 "tuner-simple");
1088 switch (instance) {
1089 case 0:
1090 mutex_unlock(&tuner_simple_list_mutex);
4adad287 1091 return NULL;
62325497
MK		 1092 case 1:
1093 fe->tuner_priv = priv;
1da177e4 1094
62325497
MK		 1095 priv->type = type;
1096 priv->tun = &tuners[type];
65511611 1097 priv->nr = simple_devcount++;
62325497
MK		 1098 break;
1099 default:
1100 fe->tuner_priv = priv;
1101 break;
1102 }
2756665c 1103
62325497 1104 mutex_unlock(&tuner_simple_list_mutex);
db8a6956 1105
9ba0a3c0
MK		 1106 memcpy(&fe->ops.tuner_ops, &simple_tuner_ops,
1107 sizeof(struct dvb_tuner_ops));
1da177e4 1108
0b82c5d6
MCC		 1109 if (type != priv->type)
1110 tuner_warn("couldn't set type to %d. Using %d (%s) instead\n",
1111 type, priv->type, priv->tun->name);
1112 else
1113 tuner_info("type set to %d (%s)\n",
1114 priv->type, priv->tun->name);
586b0cab 1115
65511611
MK		 1116 if ((debug) || ((atv_input[priv->nr] > 0) ||
1117 (dtv_input[priv->nr] > 0))) {
1118 if (0 == atv_input[priv->nr])
8ca2e927
MCC		 1119 tuner_info("tuner %d atv rf input will be autoselected\n",
1120 priv->nr);
65511611 1121 else
8ca2e927 1122 tuner_info("tuner %d atv rf input will be set to input %d (insmod option)\n",
65511611
MK		 1123 priv->nr, atv_input[priv->nr]);
1124 if (0 == dtv_input[priv->nr])
8ca2e927
MCC		 1125 tuner_info("tuner %d dtv rf input will be autoselected\n",
1126 priv->nr);
65511611 1127 else
8ca2e927 1128 tuner_info("tuner %d dtv rf input will be set to input %d (insmod option)\n",
65511611
MK		 1129 priv->nr, dtv_input[priv->nr]);
1130 }
1131
060a5bd7 1132 strlcpy(fe->ops.tuner_ops.info.name, priv->tun->name,
9ba0a3c0 1133 sizeof(fe->ops.tuner_ops.info.name));
4adad287
MK		 1134
1135 return fe;
1da177e4 1136}
4adad287
MK		 1137EXPORT_SYMBOL_GPL(simple_tuner_attach);
1138
1139MODULE_DESCRIPTION("Simple 4-control-bytes style tuner driver");
1140MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer");
1141MODULE_LICENSE("GPL");
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