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Merge git://git.infradead.org/users/cbou/battery-2.6.35
[net-next-2.6.git] / drivers / media / common / tuners / tuner-simple.c
CommitLineData
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")
56 standard BG DK I L L`
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;
6b1dde90
MK		 118};
119
1da177e4
LT		 120/* ---------------------------------------------------------------------- */
121
735f0b9a 122static int tuner_read_status(struct dvb_frontend *fe)
1da177e4 123{
4adad287 124 struct tuner_simple_priv *priv = fe->tuner_priv;
1da177e4
LT		 125 unsigned char byte;
126
9ba0a3c0 127 if (1 != tuner_i2c_xfer_recv(&priv->i2c_props, &byte, 1))
1da177e4 128 return 0;
56fc08ca 129
1da177e4
LT		 130 return byte;
131}
132
735f0b9a 133static inline int tuner_signal(const int status)
1da177e4 134{
735f0b9a 135 return (status & TUNER_SIGNAL) << 13;
1da177e4
LT		 136}
137
735f0b9a 138static inline int tuner_stereo(const int type, const int status)
1da177e4 139{
735f0b9a 140 switch (type) {
9ba0a3c0
MK		 141 case TUNER_PHILIPS_FM1216ME_MK3:
142 case TUNER_PHILIPS_FM1236_MK3:
143 case TUNER_PHILIPS_FM1256_IH3:
144 case TUNER_LG_NTSC_TAPE:
8f2b7b70 145 case TUNER_TCL_MF02GIP_5N:
9ba0a3c0 146 return ((status & TUNER_SIGNAL) == TUNER_STEREO_MK3);
5bc53a9f
DB		 147 case TUNER_PHILIPS_FM1216MK5:
148 return status | TUNER_STEREO;
9ba0a3c0
MK		 149 default:
150 return status & TUNER_STEREO;
56fc08ca 151 }
735f0b9a 152}
56fc08ca 153
735f0b9a
MK		 154static inline int tuner_islocked(const int status)
155{
156 return (status & TUNER_FL);
157}
158
159static inline int tuner_afcstatus(const int status)
160{
161 return (status & TUNER_AFC) - 2;
1da177e4
LT		 162}
163
1da177e4 164
4adad287
MK		 165static int simple_get_status(struct dvb_frontend *fe, u32 *status)
166{
167 struct tuner_simple_priv *priv = fe->tuner_priv;
a81df363
MK		 168 int tuner_status;
169
170 if (priv->i2c_props.adap == NULL)
171 return -EINVAL;
172
173 tuner_status = tuner_read_status(fe);
4adad287
MK		 174
175 *status = 0;
176
735f0b9a 177 if (tuner_islocked(tuner_status))
4adad287 178 *status = TUNER_STATUS_LOCKED;
735f0b9a 179 if (tuner_stereo(priv->type, tuner_status))
4adad287
MK		 180 *status |= TUNER_STATUS_STEREO;
181
735f0b9a
MK		 182 tuner_dbg("AFC Status: %d\n", tuner_afcstatus(tuner_status));
183
184 return 0;
185}
186
187static int simple_get_rf_strength(struct dvb_frontend *fe, u16 *strength)
188{
189 struct tuner_simple_priv *priv = fe->tuner_priv;
a81df363
MK		 190 int signal;
191
192 if (priv->i2c_props.adap == NULL)
193 return -EINVAL;
194
195 signal = tuner_signal(tuner_read_status(fe));
735f0b9a
MK		 196
197 *strength = signal;
198
199 tuner_dbg("Signal strength: %d\n", signal);
4adad287
MK		 200
201 return 0;
202}
203
1da177e4
LT		 204/* ---------------------------------------------------------------------- */
205
be71f7dc
MK		 206static inline char *tuner_param_name(enum param_type type)
207{
208 char *name;
209
210 switch (type) {
211 case TUNER_PARAM_TYPE_RADIO:
212 name = "radio";
213 break;
214 case TUNER_PARAM_TYPE_PAL:
215 name = "pal";
216 break;
217 case TUNER_PARAM_TYPE_SECAM:
218 name = "secam";
219 break;
220 case TUNER_PARAM_TYPE_NTSC:
221 name = "ntsc";
222 break;
62325497
MK		 223 case TUNER_PARAM_TYPE_DIGITAL:
224 name = "digital";
225 break;
be71f7dc
MK		 226 default:
227 name = "unknown";
228 break;
229 }
230 return name;
231}
232
233static struct tuner_params *simple_tuner_params(struct dvb_frontend *fe,
234 enum param_type desired_type)
235{
236 struct tuner_simple_priv *priv = fe->tuner_priv;
237 struct tunertype *tun = priv->tun;
238 int i;
239
240 for (i = 0; i < tun->count; i++)
241 if (desired_type == tun->params[i].type)
242 break;
243
244 /* use default tuner params if desired_type not available */
245 if (i == tun->count) {
246 tuner_dbg("desired params (%s) undefined for tuner %d\n",
247 tuner_param_name(desired_type), priv->type);
248 i = 0;
249 }
250
251 tuner_dbg("using tuner params #%d (%s)\n", i,
252 tuner_param_name(tun->params[i].type));
253
254 return &tun->params[i];
255}
256
257static int simple_config_lookup(struct dvb_frontend *fe,
258 struct tuner_params *t_params,
c6eb8eaf 259 unsigned *frequency, u8 *config, u8 *cb)
be71f7dc
MK		 260{
261 struct tuner_simple_priv *priv = fe->tuner_priv;
262 int i;
263
264 for (i = 0; i < t_params->count; i++) {
265 if (*frequency > t_params->ranges[i].limit)
266 continue;
267 break;
268 }
269 if (i == t_params->count) {
270 tuner_dbg("frequency out of range (%d > %d)\n",
271 *frequency, t_params->ranges[i - 1].limit);
272 *frequency = t_params->ranges[--i].limit;
273 }
274 *config = t_params->ranges[i].config;
275 *cb = t_params->ranges[i].cb;
276
7f8447d1
MK		 277 tuner_dbg("freq = %d.%02d (%d), range = %d, "
278 "config = 0x%02x, cb = 0x%02x\n",
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
MK		 405 if (2 != rc)
406 tuner_warn("i2c i/o error: rc == %d "
407 "(should be 2)\n", rc);
ef88f2b5 408 rc = tuner_i2c_xfer_send(&i2c, &buffer[2], 2);
9ba0a3c0
MK		 409 if (2 != rc)
410 tuner_warn("i2c i/o error: rc == %d "
411 "(should be 2)\n", 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) {
465 tuner_warn("i2c i/o read error: rc == %d "
466 "(should be 1)\n", rc);
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)
485 tuner_warn("i2c i/o error: rc == %d "
486 "(should be 4)\n", rc);
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:
501 tuner_dbg("This tuner doesn't have FM. "
502 "Most cards have a TEA5767 for FM\n");
503 return 0;
504 case TUNER_PHILIPS_FM1216ME_MK3:
505 case TUNER_PHILIPS_FM1236_MK3:
506 case TUNER_PHILIPS_FMD1216ME_MK3:
953cafc0 507 case TUNER_PHILIPS_FMD1216MEX_MK3:
c7a9f3aa
MK		 508 case TUNER_LG_NTSC_TAPE:
509 case TUNER_PHILIPS_FM1256_IH3:
8f2b7b70 510 case TUNER_TCL_MF02GIP_5N:
c7a9f3aa
MK		 511 buffer[3] = 0x19;
512 break;
5bc53a9f
DB		 513 case TUNER_PHILIPS_FM1216MK5:
514 buffer[2] = 0x88;
515 buffer[3] = 0x09;
516 break;
c7a9f3aa
MK		 517 case TUNER_TNF_5335MF:
518 buffer[3] = 0x11;
519 break;
520 case TUNER_LG_PAL_FM:
521 buffer[3] = 0xa5;
522 break;
523 case TUNER_THOMSON_DTT761X:
524 buffer[3] = 0x39;
525 break;
5ddc9b10 526 case TUNER_PHILIPS_FQ1216LME_MK3:
095c2471 527 case TUNER_PHILIPS_FQ1236_MK5:
5ddc9b10
AW		 528 tuner_err("This tuner doesn't have FM\n");
529 /* Set the low band for sanity, since it covers 88-108 MHz */
530 buffer[3] = 0x01;
531 break;
c7a9f3aa
MK		 532 case TUNER_MICROTUNE_4049FM5:
533 default:
534 buffer[3] = 0xa4;
535 break;
536 }
537
538 return 0;
539}
540
541/* ---------------------------------------------------------------------- */
542
543static int simple_set_tv_freq(struct dvb_frontend *fe,
544 struct analog_parameters *params)
545{
546 struct tuner_simple_priv *priv = fe->tuner_priv;
547 u8 config, cb;
548 u16 div;
549 struct tunertype *tun;
550 u8 buffer[4];
551 int rc, IFPCoff, i;
552 enum param_type desired_type;
553 struct tuner_params *t_params;
554
555 tun = priv->tun;
556
557 /* IFPCoff = Video Intermediate Frequency - Vif:
558 940 =16*58.75 NTSC/J (Japan)
559 732 =16*45.75 M/N STD
560 704 =16*44 ATSC (at DVB code)
561 632 =16*39.50 I U.K.
562 622.4=16*38.90 B/G D/K I, L STD
563 592 =16*37.00 D China
564 590 =16.36.875 B Australia
565 543.2=16*33.95 L' STD
566 171.2=16*10.70 FM Radio (at set_radio_freq)
567 */
568
569 if (params->std == V4L2_STD_NTSC_M_JP) {
570 IFPCoff = 940;
571 desired_type = TUNER_PARAM_TYPE_NTSC;
572 } else if ((params->std & V4L2_STD_MN) &&
573 !(params->std & ~V4L2_STD_MN)) {
574 IFPCoff = 732;
575 desired_type = TUNER_PARAM_TYPE_NTSC;
576 } else if (params->std == V4L2_STD_SECAM_LC) {
577 IFPCoff = 543;
578 desired_type = TUNER_PARAM_TYPE_SECAM;
579 } else {
580 IFPCoff = 623;
581 desired_type = TUNER_PARAM_TYPE_PAL;
582 }
583
584 t_params = simple_tuner_params(fe, desired_type);
585
586 i = simple_config_lookup(fe, t_params, &params->frequency,
587 &config, &cb);
588
589 div = params->frequency + IFPCoff + offset;
590
591 tuner_dbg("Freq= %d.%02d MHz, V_IF=%d.%02d MHz, "
592 "Offset=%d.%02d MHz, div=%0d\n",
593 params->frequency / 16, params->frequency % 16 * 100 / 16,
594 IFPCoff / 16, IFPCoff % 16 * 100 / 16,
595 offset / 16, offset % 16 * 100 / 16, div);
596
597 /* tv norm specific stuff for multi-norm tuners */
f13613ac 598 simple_std_setup(fe, params, &config, &cb);
c7a9f3aa 599
4adad287 600 if (t_params->cb_first_if_lower_freq && div < priv->last_div) {
3fc46d35 601 buffer[0] = config;
ab66b22f 602 buffer[1] = cb;
1da177e4
LT		 603 buffer[2] = (div>>8) & 0x7f;
604 buffer[3] = div & 0xff;
605 } else {
606 buffer[0] = (div>>8) & 0x7f;
607 buffer[1] = div & 0xff;
3fc46d35 608 buffer[2] = config;
ab66b22f 609 buffer[3] = cb;
1da177e4 610 }
6b1dde90 611 priv->last_div = div;
4adad287 612 if (t_params->has_tda9887) {
7f171123 613 struct v4l2_priv_tun_config tda9887_cfg;
c6eb8eaf 614 int tda_config = 0;
9ba0a3c0
MK		 615 int is_secam_l = (params->std & (V4L2_STD_SECAM_L |
616 V4L2_STD_SECAM_LC)) &&
617 !(params->std & ~(V4L2_STD_SECAM_L |
618 V4L2_STD_SECAM_LC));
ba8fc399 619
7f171123 620 tda9887_cfg.tuner = TUNER_TDA9887;
c6eb8eaf 621 tda9887_cfg.priv = &tda_config;
7f171123 622
4adad287
MK		 623 if (params->std == V4L2_STD_SECAM_LC) {
624 if (t_params->port1_active ^ t_params->port1_invert_for_secam_lc)
c6eb8eaf 625 tda_config |= TDA9887_PORT1_ACTIVE;
4adad287 626 if (t_params->port2_active ^ t_params->port2_invert_for_secam_lc)
c6eb8eaf 627 tda_config |= TDA9887_PORT2_ACTIVE;
9ba0a3c0 628 } else {
4adad287 629 if (t_params->port1_active)
c6eb8eaf 630 tda_config |= TDA9887_PORT1_ACTIVE;
4adad287 631 if (t_params->port2_active)
c6eb8eaf 632 tda_config |= TDA9887_PORT2_ACTIVE;
ba8fc399 633 }
4adad287 634 if (t_params->intercarrier_mode)
c6eb8eaf 635 tda_config |= TDA9887_INTERCARRIER;
ba8fc399 636 if (is_secam_l) {
4adad287 637 if (i == 0 && t_params->default_top_secam_low)
c6eb8eaf 638 tda_config |= TDA9887_TOP(t_params->default_top_secam_low);
4adad287 639 else if (i == 1 && t_params->default_top_secam_mid)
c6eb8eaf 640 tda_config |= TDA9887_TOP(t_params->default_top_secam_mid);
4adad287 641 else if (t_params->default_top_secam_high)
c6eb8eaf 642 tda_config |= TDA9887_TOP(t_params->default_top_secam_high);
9ba0a3c0 643 } else {
4adad287 644 if (i == 0 && t_params->default_top_low)
c6eb8eaf 645 tda_config |= TDA9887_TOP(t_params->default_top_low);
4adad287 646 else if (i == 1 && t_params->default_top_mid)
c6eb8eaf 647 tda_config |= TDA9887_TOP(t_params->default_top_mid);
4adad287 648 else if (t_params->default_top_high)
c6eb8eaf 649 tda_config |= TDA9887_TOP(t_params->default_top_high);
ba8fc399 650 }
4adad287 651 if (t_params->default_pll_gating_18)
c6eb8eaf 652 tda_config |= TDA9887_GATING_18;
7f171123
MCC		 653 i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG,
654 &tda9887_cfg);
ba8fc399 655 }
1da177e4 656 tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
9ba0a3c0 657 buffer[0], buffer[1], buffer[2], buffer[3]);
1da177e4 658
9ba0a3c0
MK		 659 rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
660 if (4 != rc)
661 tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc);
1da177e4 662
c7a9f3aa 663 simple_post_tune(fe, &buffer[0], div, config, cb);
1da177e4 664
4adad287 665 return 0;
1da177e4
LT		 666}
667
4adad287
MK		 668static int simple_set_radio_freq(struct dvb_frontend *fe,
669 struct analog_parameters *params)
1da177e4
LT		 670{
671 struct tunertype *tun;
4adad287 672 struct tuner_simple_priv *priv = fe->tuner_priv;
27487d44
HV		 673 u8 buffer[4];
674 u16 div;
7b0ac9cd 675 int rc, j;
4adad287
MK		 676 struct tuner_params *t_params;
677 unsigned int freq = params->frequency;
1da177e4 678
4adad287 679 tun = priv->tun;
476d63d0 680
5e082f15
TP		 681 for (j = tun->count-1; j > 0; j--)
682 if (tun->params[j].type == TUNER_PARAM_TYPE_RADIO)
683 break;
4adad287
MK		 684 /* default t_params (j=0) will be used if desired type wasn't found */
685 t_params = &tun->params[j];
5e082f15
TP		 686
687 /* Select Radio 1st IF used */
4adad287 688 switch (t_params->radio_if) {
5e082f15
TP		 689 case 0: /* 10.7 MHz */
690 freq += (unsigned int)(10.7*16000);
476d63d0 691 break;
5e082f15
TP		 692 case 1: /* 33.3 MHz */
693 freq += (unsigned int)(33.3*16000);
694 break;
695 case 2: /* 41.3 MHz */
696 freq += (unsigned int)(41.3*16000);
697 break;
698 default:
9ba0a3c0
MK		 699 tuner_warn("Unsupported radio_if value %d\n",
700 t_params->radio_if);
4adad287 701 return 0;
476d63d0 702 }
1da177e4 703
4adad287 704 buffer[2] = (t_params->ranges[0].config & ~TUNER_RATIO_MASK) |
5e082f15
TP		 705 TUNER_RATIO_SELECT_50; /* 50 kHz step */
706
436ae138
DB		 707 /* Bandswitch byte */
708 simple_radio_bandswitch(fe, &buffer[0]);
709
5e082f15
TP		 710 /* Convert from 1/16 kHz V4L steps to 1/20 MHz (=50 kHz) PLL steps
711 freq * (1 Mhz / 16000 V4L steps) * (20 PLL steps / 1 MHz) =
712 freq * (1/800) */
713 div = (freq + 400) / 800;
714
4adad287 715 if (t_params->cb_first_if_lower_freq && div < priv->last_div) {
27487d44
HV		 716 buffer[0] = buffer[2];
717 buffer[1] = buffer[3];
718 buffer[2] = (div>>8) & 0x7f;
719 buffer[3] = div & 0xff;
720 } else {
721 buffer[0] = (div>>8) & 0x7f;
722 buffer[1] = div & 0xff;
723 }
1da177e4
LT		 724
725 tuner_dbg("radio 0x%02x 0x%02x 0x%02x 0x%02x\n",
9ba0a3c0 726 buffer[0], buffer[1], buffer[2], buffer[3]);
6b1dde90 727 priv->last_div = div;
1da177e4 728
4adad287 729 if (t_params->has_tda9887) {
ba8fc399 730 int config = 0;
7f171123
MCC		 731 struct v4l2_priv_tun_config tda9887_cfg;
732
733 tda9887_cfg.tuner = TUNER_TDA9887;
734 tda9887_cfg.priv = &config;
735
9ba0a3c0
MK		 736 if (t_params->port1_active &&
737 !t_params->port1_fm_high_sensitivity)
ba8fc399 738 config |= TDA9887_PORT1_ACTIVE;
9ba0a3c0
MK		 739 if (t_params->port2_active &&
740 !t_params->port2_fm_high_sensitivity)
ba8fc399 741 config |= TDA9887_PORT2_ACTIVE;
4adad287 742 if (t_params->intercarrier_mode)
ba8fc399 743 config |= TDA9887_INTERCARRIER;
4adad287 744/* if (t_params->port1_set_for_fm_mono)
ba8fc399 745 config &= ~TDA9887_PORT1_ACTIVE;*/
4adad287 746 if (t_params->fm_gain_normal)
483deb0f 747 config |= TDA9887_GAIN_NORMAL;
4adad287 748 if (t_params->radio_if == 2)
5e082f15 749 config |= TDA9887_RIF_41_3;
7f171123 750 i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG,
9ba0a3c0 751 &tda9887_cfg);
ba8fc399 752 }
9ba0a3c0
MK		 753 rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
754 if (4 != rc)
755 tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc);
4adad287
MK		 756
757 return 0;
1da177e4
LT		 758}
759
4adad287
MK		 760static int simple_set_params(struct dvb_frontend *fe,
761 struct analog_parameters *params)
6b1dde90 762{
4adad287
MK		 763 struct tuner_simple_priv *priv = fe->tuner_priv;
764 int ret = -EINVAL;
765
a81df363
MK		 766 if (priv->i2c_props.adap == NULL)
767 return -EINVAL;
768
4adad287
MK		 769 switch (params->mode) {
770 case V4L2_TUNER_RADIO:
771 ret = simple_set_radio_freq(fe, params);
772 priv->frequency = params->frequency * 125 / 2;
773 break;
774 case V4L2_TUNER_ANALOG_TV:
775 case V4L2_TUNER_DIGITAL_TV:
776 ret = simple_set_tv_freq(fe, params);
777 priv->frequency = params->frequency * 62500;
778 break;
779 }
62325497 780 priv->bandwidth = 0;
4adad287
MK		 781
782 return ret;
783}
784
23a88108
MK		 785static void simple_set_dvb(struct dvb_frontend *fe, u8 *buf,
786 const struct dvb_frontend_parameters *params)
787{
788 struct tuner_simple_priv *priv = fe->tuner_priv;
789
790 switch (priv->type) {
791 case TUNER_PHILIPS_FMD1216ME_MK3:
953cafc0 792 case TUNER_PHILIPS_FMD1216MEX_MK3:
23a88108
MK		 793 if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ &&
794 params->frequency >= 158870000)
795 buf[3] |= 0x08;
796 break;
0e5d383b
MK		 797 case TUNER_PHILIPS_TD1316:
798 /* determine band */
799 buf[3] |= (params->frequency < 161000000) ? 1 :
800 (params->frequency < 444000000) ? 2 : 4;
801
802 /* setup PLL filter */
803 if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
804 buf[3] |= 1 << 3;
805 break;
02f5f444 806 case TUNER_PHILIPS_TUV1236D:
ab8b870e 807 case TUNER_PHILIPS_FCV1236D:
02f5f444
MK		 808 {
809 unsigned int new_rf;
810
65511611
MK		 811 if (dtv_input[priv->nr])
812 new_rf = dtv_input[priv->nr];
813 else
814 switch (params->u.vsb.modulation) {
815 case QAM_64:
816 case QAM_256:
817 new_rf = 1;
818 break;
819 case VSB_8:
820 default:
821 new_rf = 0;
822 break;
823 }
02f5f444
MK		 824 simple_set_rf_input(fe, &buf[2], &buf[3], new_rf);
825 break;
826 }
23a88108
MK		 827 default:
828 break;
829 }
830}
831
a2a7f84b 832static u32 simple_dvb_configure(struct dvb_frontend *fe, u8 *buf,
62325497
MK		 833 const struct dvb_frontend_parameters *params)
834{
a2a7f84b 835 /* This function returns the tuned frequency on success, 0 on error */
62325497
MK		 836 struct tuner_simple_priv *priv = fe->tuner_priv;
837 struct tunertype *tun = priv->tun;
838 static struct tuner_params *t_params;
839 u8 config, cb;
840 u32 div;
c6eb8eaf
HV		 841 int ret;
842 unsigned frequency = params->frequency / 62500;
62325497 843
6b55009e
MK		 844 if (!tun->stepsize) {
845 /* tuner-core was loaded before the digital tuner was
846 * configured and somehow picked the wrong tuner type */
847 tuner_err("attempt to treat tuner %d (%s) as digital tuner "
848 "without stepsize defined.\n",
849 priv->type, priv->tun->name);
850 return 0; /* failure */
851 }
852
62325497
MK		 853 t_params = simple_tuner_params(fe, TUNER_PARAM_TYPE_DIGITAL);
854 ret = simple_config_lookup(fe, t_params, &frequency, &config, &cb);
855 if (ret < 0)
a2a7f84b 856 return 0; /* failure */
62325497
MK		 857
858 div = ((frequency + t_params->iffreq) * 62500 + offset +
859 tun->stepsize/2) / tun->stepsize;
860
861 buf[0] = div >> 8;
862 buf[1] = div & 0xff;
863 buf[2] = config;
864 buf[3] = cb;
865
23a88108
MK		 866 simple_set_dvb(fe, buf, params);
867
62325497
MK		 868 tuner_dbg("%s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n",
869 tun->name, div, buf[0], buf[1], buf[2], buf[3]);
870
871 /* calculate the frequency we set it to */
872 return (div * tun->stepsize) - t_params->iffreq;
873}
874
875static int simple_dvb_calc_regs(struct dvb_frontend *fe,
876 struct dvb_frontend_parameters *params,
877 u8 *buf, int buf_len)
878{
879 struct tuner_simple_priv *priv = fe->tuner_priv;
62325497
MK		 880 u32 frequency;
881
882 if (buf_len < 5)
883 return -EINVAL;
884
a2a7f84b
MK		 885 frequency = simple_dvb_configure(fe, buf+1, params);
886 if (frequency == 0)
887 return -EINVAL;
62325497
MK		 888
889 buf[0] = priv->i2c_props.addr;
890
891 priv->frequency = frequency;
892 priv->bandwidth = (fe->ops.info.type == FE_OFDM) ?
893 params->u.ofdm.bandwidth : 0;
894
895 return 5;
896}
897
898static int simple_dvb_set_params(struct dvb_frontend *fe,
899 struct dvb_frontend_parameters *params)
900{
901 struct tuner_simple_priv *priv = fe->tuner_priv;
902 u32 prev_freq, prev_bw;
903 int ret;
904 u8 buf[5];
905
906 if (priv->i2c_props.adap == NULL)
907 return -EINVAL;
908
909 prev_freq = priv->frequency;
910 prev_bw = priv->bandwidth;
911
912 ret = simple_dvb_calc_regs(fe, params, buf, 5);
913 if (ret != 5)
914 goto fail;
915
916 /* put analog demod in standby when tuning digital */
917 if (fe->ops.analog_ops.standby)
918 fe->ops.analog_ops.standby(fe);
919
920 if (fe->ops.i2c_gate_ctrl)
921 fe->ops.i2c_gate_ctrl(fe, 1);
922
923 /* buf[0] contains the i2c address, but *
924 * we already have it in i2c_props.addr */
925 ret = tuner_i2c_xfer_send(&priv->i2c_props, buf+1, 4);
926 if (ret != 4)
927 goto fail;
928
929 return 0;
930fail:
931 /* calc_regs sets frequency and bandwidth. if we failed, unset them */
932 priv->frequency = prev_freq;
933 priv->bandwidth = prev_bw;
934
935 return ret;
936}
4adad287 937
6f4a5729
MK		 938static int simple_init(struct dvb_frontend *fe)
939{
940 struct tuner_simple_priv *priv = fe->tuner_priv;
941
942 if (priv->i2c_props.adap == NULL)
943 return -EINVAL;
944
945 if (priv->tun->initdata) {
946 int ret;
947
948 if (fe->ops.i2c_gate_ctrl)
949 fe->ops.i2c_gate_ctrl(fe, 1);
950
951 ret = tuner_i2c_xfer_send(&priv->i2c_props,
952 priv->tun->initdata + 1,
953 priv->tun->initdata[0]);
954 if (ret != priv->tun->initdata[0])
955 return ret;
956 }
957
958 return 0;
959}
960
961static int simple_sleep(struct dvb_frontend *fe)
962{
963 struct tuner_simple_priv *priv = fe->tuner_priv;
964
965 if (priv->i2c_props.adap == NULL)
966 return -EINVAL;
967
968 if (priv->tun->sleepdata) {
969 int ret;
970
971 if (fe->ops.i2c_gate_ctrl)
972 fe->ops.i2c_gate_ctrl(fe, 1);
973
974 ret = tuner_i2c_xfer_send(&priv->i2c_props,
975 priv->tun->sleepdata + 1,
976 priv->tun->sleepdata[0]);
977 if (ret != priv->tun->sleepdata[0])
978 return ret;
979 }
980
981 return 0;
982}
983
4adad287
MK		 984static int simple_release(struct dvb_frontend *fe)
985{
62325497
MK		 986 struct tuner_simple_priv *priv = fe->tuner_priv;
987
988 mutex_lock(&tuner_simple_list_mutex);
989
990 if (priv)
991 hybrid_tuner_release_state(priv);
992
993 mutex_unlock(&tuner_simple_list_mutex);
994
4adad287
MK		 995 fe->tuner_priv = NULL;
996
997 return 0;
998}
999
1000static int simple_get_frequency(struct dvb_frontend *fe, u32 *frequency)
1001{
1002 struct tuner_simple_priv *priv = fe->tuner_priv;
1003 *frequency = priv->frequency;
1004 return 0;
6b1dde90
MK		 1005}
1006
62325497
MK		 1007static int simple_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
1008{
1009 struct tuner_simple_priv *priv = fe->tuner_priv;
1010 *bandwidth = priv->bandwidth;
1011 return 0;
1012}
1013
4adad287 1014static struct dvb_tuner_ops simple_tuner_ops = {
6f4a5729
MK		 1015 .init = simple_init,
1016 .sleep = simple_sleep,
4adad287 1017 .set_analog_params = simple_set_params,
62325497
MK		 1018 .set_params = simple_dvb_set_params,
1019 .calc_regs = simple_dvb_calc_regs,
735f0b9a
MK		 1020 .release = simple_release,
1021 .get_frequency = simple_get_frequency,
62325497 1022 .get_bandwidth = simple_get_bandwidth,
735f0b9a
MK		 1023 .get_status = simple_get_status,
1024 .get_rf_strength = simple_get_rf_strength,
5d807c9f
MK		 1025};
1026
4adad287
MK		 1027struct dvb_frontend *simple_tuner_attach(struct dvb_frontend *fe,
1028 struct i2c_adapter *i2c_adap,
1029 u8 i2c_addr,
060a5bd7 1030 unsigned int type)
1da177e4 1031{
6b1dde90 1032 struct tuner_simple_priv *priv = NULL;
62325497 1033 int instance;
6b1dde90 1034
65e8d29f
MK		 1035 if (type >= tuner_count) {
1036 printk(KERN_WARNING "%s: invalid tuner type: %d (max: %d)\n",
7e28adb2 1037 __func__, type, tuner_count-1);
65e8d29f
MK		 1038 return NULL;
1039 }
1040
e827931e
MK		 1041 /* If i2c_adap is set, check that the tuner is at the correct address.
1042 * Otherwise, if i2c_adap is NULL, the tuner will be programmed directly
1043 * by the digital demod via calc_regs.
1044 */
1045 if (i2c_adap != NULL) {
1046 u8 b[1];
1047 struct i2c_msg msg = {
1048 .addr = i2c_addr, .flags = I2C_M_RD,
1049 .buf = b, .len = 1,
1050 };
1051
1052 if (fe->ops.i2c_gate_ctrl)
1053 fe->ops.i2c_gate_ctrl(fe, 1);
1054
1055 if (1 != i2c_transfer(i2c_adap, &msg, 1))
3b4a9714
AW		 1056 printk(KERN_WARNING "tuner-simple %d-%04x: "
1057 "unable to probe %s, proceeding anyway.",
1058 i2c_adapter_id(i2c_adap), i2c_addr,
1059 tuners[type].name);
e827931e
MK		 1060
1061 if (fe->ops.i2c_gate_ctrl)
1062 fe->ops.i2c_gate_ctrl(fe, 0);
1063 }
1064
62325497
MK		 1065 mutex_lock(&tuner_simple_list_mutex);
1066
1067 instance = hybrid_tuner_request_state(struct tuner_simple_priv, priv,
1068 hybrid_tuner_instance_list,
1069 i2c_adap, i2c_addr,
1070 "tuner-simple");
1071 switch (instance) {
1072 case 0:
1073 mutex_unlock(&tuner_simple_list_mutex);
4adad287 1074 return NULL;
62325497
MK		 1075 case 1:
1076 fe->tuner_priv = priv;
1da177e4 1077
62325497
MK		 1078 priv->type = type;
1079 priv->tun = &tuners[type];
65511611 1080 priv->nr = simple_devcount++;
62325497
MK		 1081 break;
1082 default:
1083 fe->tuner_priv = priv;
1084 break;
1085 }
2756665c 1086
62325497 1087 mutex_unlock(&tuner_simple_list_mutex);
db8a6956 1088
9ba0a3c0
MK		 1089 memcpy(&fe->ops.tuner_ops, &simple_tuner_ops,
1090 sizeof(struct dvb_tuner_ops));
1da177e4 1091
0b82c5d6
MCC		 1092 if (type != priv->type)
1093 tuner_warn("couldn't set type to %d. Using %d (%s) instead\n",
1094 type, priv->type, priv->tun->name);
1095 else
1096 tuner_info("type set to %d (%s)\n",
1097 priv->type, priv->tun->name);
586b0cab 1098
65511611
MK		 1099 if ((debug) || ((atv_input[priv->nr] > 0) ||
1100 (dtv_input[priv->nr] > 0))) {
1101 if (0 == atv_input[priv->nr])
1102 tuner_info("tuner %d atv rf input will be "
1103 "autoselected\n", priv->nr);
1104 else
1105 tuner_info("tuner %d atv rf input will be "
1106 "set to input %d (insmod option)\n",
1107 priv->nr, atv_input[priv->nr]);
1108 if (0 == dtv_input[priv->nr])
1109 tuner_info("tuner %d dtv rf input will be "
1110 "autoselected\n", priv->nr);
1111 else
1112 tuner_info("tuner %d dtv rf input will be "
1113 "set to input %d (insmod option)\n",
1114 priv->nr, dtv_input[priv->nr]);
1115 }
1116
060a5bd7 1117 strlcpy(fe->ops.tuner_ops.info.name, priv->tun->name,
9ba0a3c0 1118 sizeof(fe->ops.tuner_ops.info.name));
4adad287
MK		 1119
1120 return fe;
1da177e4 1121}
4adad287
MK		 1122EXPORT_SYMBOL_GPL(simple_tuner_attach);
1123
1124MODULE_DESCRIPTION("Simple 4-control-bytes style tuner driver");
1125MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer");
1126MODULE_LICENSE("GPL");
1127
1da177e4
LT		 1128/*
1129 * Overrides for Emacs so that we follow Linus's tabbing style.
1130 * ---------------------------------------------------------------------------
1131 * Local variables:
1132 * c-basic-offset: 8
1133 * End:
1134 */
Clone of davem's net-next-2.6 tree