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Merge branches 'tracing/kmemtrace2' and 'tracing/ftrace' into tracing/urgent
[deliverable/linux.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
MK		 146 return ((status & TUNER_SIGNAL) == TUNER_STEREO_MK3);
147 default:
148 return status & TUNER_STEREO;
56fc08ca 149 }
735f0b9a 150}
56fc08ca 151
735f0b9a
MK		 152static inline int tuner_islocked(const int status)
153{
154 return (status & TUNER_FL);
155}
156
157static inline int tuner_afcstatus(const int status)
158{
159 return (status & TUNER_AFC) - 2;
1da177e4
LT		 160}
161
1da177e4 162
4adad287
MK		 163static int simple_get_status(struct dvb_frontend *fe, u32 *status)
164{
165 struct tuner_simple_priv *priv = fe->tuner_priv;
a81df363
MK		 166 int tuner_status;
167
168 if (priv->i2c_props.adap == NULL)
169 return -EINVAL;
170
171 tuner_status = tuner_read_status(fe);
4adad287
MK		 172
173 *status = 0;
174
735f0b9a 175 if (tuner_islocked(tuner_status))
4adad287 176 *status = TUNER_STATUS_LOCKED;
735f0b9a 177 if (tuner_stereo(priv->type, tuner_status))
4adad287
MK		 178 *status |= TUNER_STATUS_STEREO;
179
735f0b9a
MK		 180 tuner_dbg("AFC Status: %d\n", tuner_afcstatus(tuner_status));
181
182 return 0;
183}
184
185static int simple_get_rf_strength(struct dvb_frontend *fe, u16 *strength)
186{
187 struct tuner_simple_priv *priv = fe->tuner_priv;
a81df363
MK		 188 int signal;
189
190 if (priv->i2c_props.adap == NULL)
191 return -EINVAL;
192
193 signal = tuner_signal(tuner_read_status(fe));
735f0b9a
MK		 194
195 *strength = signal;
196
197 tuner_dbg("Signal strength: %d\n", signal);
4adad287
MK		 198
199 return 0;
200}
201
1da177e4
LT		 202/* ---------------------------------------------------------------------- */
203
be71f7dc
MK		 204static inline char *tuner_param_name(enum param_type type)
205{
206 char *name;
207
208 switch (type) {
209 case TUNER_PARAM_TYPE_RADIO:
210 name = "radio";
211 break;
212 case TUNER_PARAM_TYPE_PAL:
213 name = "pal";
214 break;
215 case TUNER_PARAM_TYPE_SECAM:
216 name = "secam";
217 break;
218 case TUNER_PARAM_TYPE_NTSC:
219 name = "ntsc";
220 break;
62325497
MK		 221 case TUNER_PARAM_TYPE_DIGITAL:
222 name = "digital";
223 break;
be71f7dc
MK		 224 default:
225 name = "unknown";
226 break;
227 }
228 return name;
229}
230
231static struct tuner_params *simple_tuner_params(struct dvb_frontend *fe,
232 enum param_type desired_type)
233{
234 struct tuner_simple_priv *priv = fe->tuner_priv;
235 struct tunertype *tun = priv->tun;
236 int i;
237
238 for (i = 0; i < tun->count; i++)
239 if (desired_type == tun->params[i].type)
240 break;
241
242 /* use default tuner params if desired_type not available */
243 if (i == tun->count) {
244 tuner_dbg("desired params (%s) undefined for tuner %d\n",
245 tuner_param_name(desired_type), priv->type);
246 i = 0;
247 }
248
249 tuner_dbg("using tuner params #%d (%s)\n", i,
250 tuner_param_name(tun->params[i].type));
251
252 return &tun->params[i];
253}
254
255static int simple_config_lookup(struct dvb_frontend *fe,
256 struct tuner_params *t_params,
c6eb8eaf 257 unsigned *frequency, u8 *config, u8 *cb)
be71f7dc
MK		 258{
259 struct tuner_simple_priv *priv = fe->tuner_priv;
260 int i;
261
262 for (i = 0; i < t_params->count; i++) {
263 if (*frequency > t_params->ranges[i].limit)
264 continue;
265 break;
266 }
267 if (i == t_params->count) {
268 tuner_dbg("frequency out of range (%d > %d)\n",
269 *frequency, t_params->ranges[i - 1].limit);
270 *frequency = t_params->ranges[--i].limit;
271 }
272 *config = t_params->ranges[i].config;
273 *cb = t_params->ranges[i].cb;
274
7f8447d1
MK		 275 tuner_dbg("freq = %d.%02d (%d), range = %d, "
276 "config = 0x%02x, cb = 0x%02x\n",
277 *frequency / 16, *frequency % 16 * 100 / 16, *frequency,
278 i, *config, *cb);
be71f7dc
MK		 279
280 return i;
281}
282
283/* ---------------------------------------------------------------------- */
284
02f5f444
MK		 285static void simple_set_rf_input(struct dvb_frontend *fe,
286 u8 *config, u8 *cb, unsigned int rf)
287{
288 struct tuner_simple_priv *priv = fe->tuner_priv;
289
290 switch (priv->type) {
291 case TUNER_PHILIPS_TUV1236D:
292 switch (rf) {
293 case 1:
294 *cb |= 0x08;
295 break;
296 default:
297 *cb &= ~0x08;
298 break;
299 }
300 break;
ab8b870e 301 case TUNER_PHILIPS_FCV1236D:
02f5f444
MK		 302 switch (rf) {
303 case 1:
304 *cb |= 0x01;
305 break;
306 default:
307 *cb &= ~0x01;
308 break;
309 }
310 break;
311 default:
312 break;
313 }
314}
315
c7a9f3aa
MK		 316static int simple_std_setup(struct dvb_frontend *fe,
317 struct analog_parameters *params,
f13613ac 318 u8 *config, u8 *cb)
1da177e4 319{
4adad287 320 struct tuner_simple_priv *priv = fe->tuner_priv;
c7a9f3aa
MK		 321 u8 tuneraddr;
322 int rc;
5f594187 323
1da177e4 324 /* tv norm specific stuff for multi-norm tuners */
4adad287 325 switch (priv->type) {
9ba0a3c0 326 case TUNER_PHILIPS_SECAM: /* FI1216MF */
1da177e4
LT		 327 /* 0x01 -> ??? no change ??? */
328 /* 0x02 -> PAL BDGHI / SECAM L */
329 /* 0x04 -> ??? PAL others / SECAM others ??? */
c7a9f3aa 330 *cb &= ~0x03;
9ba0a3c0
MK		 331 if (params->std & V4L2_STD_SECAM_L)
332 /* also valid for V4L2_STD_SECAM */
c7a9f3aa 333 *cb |= PHILIPS_MF_SET_STD_L;
4adad287 334 else if (params->std & V4L2_STD_SECAM_LC)
c7a9f3aa 335 *cb |= PHILIPS_MF_SET_STD_LC;
82c01d3d 336 else /* V4L2_STD_B|V4L2_STD_GH */
c7a9f3aa 337 *cb |= PHILIPS_MF_SET_STD_BG;
1da177e4
LT		 338 break;
339
340 case TUNER_TEMIC_4046FM5:
c7a9f3aa 341 *cb &= ~0x0f;
1da177e4 342
4adad287 343 if (params->std & V4L2_STD_PAL_BG) {
c7a9f3aa 344 *cb |= TEMIC_SET_PAL_BG;
1da177e4 345
4adad287 346 } else if (params->std & V4L2_STD_PAL_I) {
c7a9f3aa 347 *cb |= TEMIC_SET_PAL_I;
1da177e4 348
4adad287 349 } else if (params->std & V4L2_STD_PAL_DK) {
c7a9f3aa 350 *cb |= TEMIC_SET_PAL_DK;
1da177e4 351
4adad287 352 } else if (params->std & V4L2_STD_SECAM_L) {
c7a9f3aa 353 *cb |= TEMIC_SET_PAL_L;
1da177e4
LT		 354
355 }
356 break;
357
358 case TUNER_PHILIPS_FQ1216ME:
c7a9f3aa 359 *cb &= ~0x0f;
1da177e4 360
4adad287 361 if (params->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) {
c7a9f3aa 362 *cb |= PHILIPS_SET_PAL_BGDK;
1da177e4 363
4adad287 364 } else if (params->std & V4L2_STD_PAL_I) {
c7a9f3aa 365 *cb |= PHILIPS_SET_PAL_I;
1da177e4 366
4adad287 367 } else if (params->std & V4L2_STD_SECAM_L) {
c7a9f3aa 368 *cb |= PHILIPS_SET_PAL_L;
1da177e4
LT		 369
370 }
371 break;
372
ab8b870e 373 case TUNER_PHILIPS_FCV1236D:
1da177e4
LT		 374 /* 0x00 -> ATSC antenna input 1 */
375 /* 0x01 -> ATSC antenna input 2 */
376 /* 0x02 -> NTSC antenna input 1 */
377 /* 0x03 -> NTSC antenna input 2 */
c7a9f3aa 378 *cb &= ~0x03;
4adad287 379 if (!(params->std & V4L2_STD_ATSC))
c7a9f3aa 380 *cb |= 2;
1da177e4
LT		 381 break;
382
383 case TUNER_MICROTUNE_4042FI5:
384 /* Set the charge pump for fast tuning */
c7a9f3aa 385 *config |= TUNER_CHARGE_PUMP;
1da177e4 386 break;
e976f937
KL		 387
388 case TUNER_PHILIPS_TUV1236D:
f13613ac 389 {
e976f937
KL		 390 /* 0x40 -> ATSC antenna input 1 */
391 /* 0x48 -> ATSC antenna input 2 */
392 /* 0x00 -> NTSC antenna input 1 */
393 /* 0x08 -> NTSC antenna input 2 */
f13613ac 394 u8 buffer[4] = { 0x14, 0x00, 0x17, 0x00};
c7a9f3aa 395 *cb &= ~0x40;
4adad287 396 if (params->std & V4L2_STD_ATSC) {
c7a9f3aa 397 *cb |= 0x40;
fde6d31e
KL		 398 buffer[1] = 0x04;
399 }
400 /* set to the correct mode (analog or digital) */
db8a6956
MK		 401 tuneraddr = priv->i2c_props.addr;
402 priv->i2c_props.addr = 0x0a;
9ba0a3c0
MK		 403 rc = tuner_i2c_xfer_send(&priv->i2c_props, &buffer[0], 2);
404 if (2 != rc)
405 tuner_warn("i2c i/o error: rc == %d "
406 "(should be 2)\n", rc);
407 rc = tuner_i2c_xfer_send(&priv->i2c_props, &buffer[2], 2);
408 if (2 != rc)
409 tuner_warn("i2c i/o error: rc == %d "
410 "(should be 2)\n", rc);
db8a6956 411 priv->i2c_props.addr = tuneraddr;
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
421static int simple_post_tune(struct dvb_frontend *fe, u8 *buffer,
422 u16 div, u8 config, u8 cb)
423{
424 struct tuner_simple_priv *priv = fe->tuner_priv;
425 int rc;
426
427 switch (priv->type) {
428 case TUNER_LG_TDVS_H06XF:
429 /* Set the Auxiliary Byte. */
430 buffer[0] = buffer[2];
431 buffer[0] &= ~0x20;
432 buffer[0] |= 0x18;
433 buffer[1] = 0x20;
434 tuner_dbg("tv 0x%02x 0x%02x\n", buffer[0], buffer[1]);
435
436 rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 2);
437 if (2 != rc)
438 tuner_warn("i2c i/o error: rc == %d "
439 "(should be 2)\n", rc);
440 break;
441 case TUNER_MICROTUNE_4042FI5:
442 {
443 /* FIXME - this may also work for other tuners */
444 unsigned long timeout = jiffies + msecs_to_jiffies(1);
445 u8 status_byte = 0;
446
447 /* Wait until the PLL locks */
448 for (;;) {
449 if (time_after(jiffies, timeout))
450 return 0;
451 rc = tuner_i2c_xfer_recv(&priv->i2c_props,
452 &status_byte, 1);
453 if (1 != rc) {
454 tuner_warn("i2c i/o read error: rc == %d "
455 "(should be 1)\n", rc);
456 break;
457 }
458 if (status_byte & TUNER_PLL_LOCKED)
459 break;
460 udelay(10);
461 }
462
463 /* Set the charge pump for optimized phase noise figure */
464 config &= ~TUNER_CHARGE_PUMP;
465 buffer[0] = (div>>8) & 0x7f;
466 buffer[1] = div & 0xff;
467 buffer[2] = config;
468 buffer[3] = cb;
469 tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
470 buffer[0], buffer[1], buffer[2], buffer[3]);
471
472 rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
473 if (4 != rc)
474 tuner_warn("i2c i/o error: rc == %d "
475 "(should be 4)\n", rc);
476 break;
477 }
478 }
479
480 return 0;
481}
482
483static int simple_radio_bandswitch(struct dvb_frontend *fe, u8 *buffer)
484{
485 struct tuner_simple_priv *priv = fe->tuner_priv;
486
487 switch (priv->type) {
488 case TUNER_TENA_9533_DI:
489 case TUNER_YMEC_TVF_5533MF:
490 tuner_dbg("This tuner doesn't have FM. "
491 "Most cards have a TEA5767 for FM\n");
492 return 0;
493 case TUNER_PHILIPS_FM1216ME_MK3:
494 case TUNER_PHILIPS_FM1236_MK3:
495 case TUNER_PHILIPS_FMD1216ME_MK3:
953cafc0 496 case TUNER_PHILIPS_FMD1216MEX_MK3:
c7a9f3aa
MK		 497 case TUNER_LG_NTSC_TAPE:
498 case TUNER_PHILIPS_FM1256_IH3:
8f2b7b70 499 case TUNER_TCL_MF02GIP_5N:
c7a9f3aa
MK		 500 buffer[3] = 0x19;
501 break;
502 case TUNER_TNF_5335MF:
503 buffer[3] = 0x11;
504 break;
505 case TUNER_LG_PAL_FM:
506 buffer[3] = 0xa5;
507 break;
508 case TUNER_THOMSON_DTT761X:
509 buffer[3] = 0x39;
510 break;
511 case TUNER_MICROTUNE_4049FM5:
512 default:
513 buffer[3] = 0xa4;
514 break;
515 }
516
517 return 0;
518}
519
520/* ---------------------------------------------------------------------- */
521
522static int simple_set_tv_freq(struct dvb_frontend *fe,
523 struct analog_parameters *params)
524{
525 struct tuner_simple_priv *priv = fe->tuner_priv;
526 u8 config, cb;
527 u16 div;
528 struct tunertype *tun;
529 u8 buffer[4];
530 int rc, IFPCoff, i;
531 enum param_type desired_type;
532 struct tuner_params *t_params;
533
534 tun = priv->tun;
535
536 /* IFPCoff = Video Intermediate Frequency - Vif:
537 940 =16*58.75 NTSC/J (Japan)
538 732 =16*45.75 M/N STD
539 704 =16*44 ATSC (at DVB code)
540 632 =16*39.50 I U.K.
541 622.4=16*38.90 B/G D/K I, L STD
542 592 =16*37.00 D China
543 590 =16.36.875 B Australia
544 543.2=16*33.95 L' STD
545 171.2=16*10.70 FM Radio (at set_radio_freq)
546 */
547
548 if (params->std == V4L2_STD_NTSC_M_JP) {
549 IFPCoff = 940;
550 desired_type = TUNER_PARAM_TYPE_NTSC;
551 } else if ((params->std & V4L2_STD_MN) &&
552 !(params->std & ~V4L2_STD_MN)) {
553 IFPCoff = 732;
554 desired_type = TUNER_PARAM_TYPE_NTSC;
555 } else if (params->std == V4L2_STD_SECAM_LC) {
556 IFPCoff = 543;
557 desired_type = TUNER_PARAM_TYPE_SECAM;
558 } else {
559 IFPCoff = 623;
560 desired_type = TUNER_PARAM_TYPE_PAL;
561 }
562
563 t_params = simple_tuner_params(fe, desired_type);
564
565 i = simple_config_lookup(fe, t_params, &params->frequency,
566 &config, &cb);
567
568 div = params->frequency + IFPCoff + offset;
569
570 tuner_dbg("Freq= %d.%02d MHz, V_IF=%d.%02d MHz, "
571 "Offset=%d.%02d MHz, div=%0d\n",
572 params->frequency / 16, params->frequency % 16 * 100 / 16,
573 IFPCoff / 16, IFPCoff % 16 * 100 / 16,
574 offset / 16, offset % 16 * 100 / 16, div);
575
576 /* tv norm specific stuff for multi-norm tuners */
f13613ac 577 simple_std_setup(fe, params, &config, &cb);
c7a9f3aa 578
4adad287 579 if (t_params->cb_first_if_lower_freq && div < priv->last_div) {
3fc46d35 580 buffer[0] = config;
ab66b22f 581 buffer[1] = cb;
1da177e4
LT		 582 buffer[2] = (div>>8) & 0x7f;
583 buffer[3] = div & 0xff;
584 } else {
585 buffer[0] = (div>>8) & 0x7f;
586 buffer[1] = div & 0xff;
3fc46d35 587 buffer[2] = config;
ab66b22f 588 buffer[3] = cb;
1da177e4 589 }
6b1dde90 590 priv->last_div = div;
4adad287 591 if (t_params->has_tda9887) {
7f171123 592 struct v4l2_priv_tun_config tda9887_cfg;
c6eb8eaf 593 int tda_config = 0;
9ba0a3c0
MK		 594 int is_secam_l = (params->std & (V4L2_STD_SECAM_L |
595 V4L2_STD_SECAM_LC)) &&
596 !(params->std & ~(V4L2_STD_SECAM_L |
597 V4L2_STD_SECAM_LC));
ba8fc399 598
7f171123 599 tda9887_cfg.tuner = TUNER_TDA9887;
c6eb8eaf 600 tda9887_cfg.priv = &tda_config;
7f171123 601
4adad287
MK		 602 if (params->std == V4L2_STD_SECAM_LC) {
603 if (t_params->port1_active ^ t_params->port1_invert_for_secam_lc)
c6eb8eaf 604 tda_config |= TDA9887_PORT1_ACTIVE;
4adad287 605 if (t_params->port2_active ^ t_params->port2_invert_for_secam_lc)
c6eb8eaf 606 tda_config |= TDA9887_PORT2_ACTIVE;
9ba0a3c0 607 } else {
4adad287 608 if (t_params->port1_active)
c6eb8eaf 609 tda_config |= TDA9887_PORT1_ACTIVE;
4adad287 610 if (t_params->port2_active)
c6eb8eaf 611 tda_config |= TDA9887_PORT2_ACTIVE;
ba8fc399 612 }
4adad287 613 if (t_params->intercarrier_mode)
c6eb8eaf 614 tda_config |= TDA9887_INTERCARRIER;
ba8fc399 615 if (is_secam_l) {
4adad287 616 if (i == 0 && t_params->default_top_secam_low)
c6eb8eaf 617 tda_config |= TDA9887_TOP(t_params->default_top_secam_low);
4adad287 618 else if (i == 1 && t_params->default_top_secam_mid)
c6eb8eaf 619 tda_config |= TDA9887_TOP(t_params->default_top_secam_mid);
4adad287 620 else if (t_params->default_top_secam_high)
c6eb8eaf 621 tda_config |= TDA9887_TOP(t_params->default_top_secam_high);
9ba0a3c0 622 } else {
4adad287 623 if (i == 0 && t_params->default_top_low)
c6eb8eaf 624 tda_config |= TDA9887_TOP(t_params->default_top_low);
4adad287 625 else if (i == 1 && t_params->default_top_mid)
c6eb8eaf 626 tda_config |= TDA9887_TOP(t_params->default_top_mid);
4adad287 627 else if (t_params->default_top_high)
c6eb8eaf 628 tda_config |= TDA9887_TOP(t_params->default_top_high);
ba8fc399 629 }
4adad287 630 if (t_params->default_pll_gating_18)
c6eb8eaf 631 tda_config |= TDA9887_GATING_18;
7f171123
MCC		 632 i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG,
633 &tda9887_cfg);
ba8fc399 634 }
1da177e4 635 tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
9ba0a3c0 636 buffer[0], buffer[1], buffer[2], buffer[3]);
1da177e4 637
9ba0a3c0
MK		 638 rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
639 if (4 != rc)
640 tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc);
1da177e4 641
c7a9f3aa 642 simple_post_tune(fe, &buffer[0], div, config, cb);
1da177e4 643
4adad287 644 return 0;
1da177e4
LT		 645}
646
4adad287
MK		 647static int simple_set_radio_freq(struct dvb_frontend *fe,
648 struct analog_parameters *params)
1da177e4
LT		 649{
650 struct tunertype *tun;
4adad287 651 struct tuner_simple_priv *priv = fe->tuner_priv;
27487d44
HV		 652 u8 buffer[4];
653 u16 div;
7b0ac9cd 654 int rc, j;
4adad287
MK		 655 struct tuner_params *t_params;
656 unsigned int freq = params->frequency;
1da177e4 657
4adad287 658 tun = priv->tun;
476d63d0 659
5e082f15
TP		 660 for (j = tun->count-1; j > 0; j--)
661 if (tun->params[j].type == TUNER_PARAM_TYPE_RADIO)
662 break;
4adad287
MK		 663 /* default t_params (j=0) will be used if desired type wasn't found */
664 t_params = &tun->params[j];
5e082f15
TP		 665
666 /* Select Radio 1st IF used */
4adad287 667 switch (t_params->radio_if) {
5e082f15
TP		 668 case 0: /* 10.7 MHz */
669 freq += (unsigned int)(10.7*16000);
476d63d0 670 break;
5e082f15
TP		 671 case 1: /* 33.3 MHz */
672 freq += (unsigned int)(33.3*16000);
673 break;
674 case 2: /* 41.3 MHz */
675 freq += (unsigned int)(41.3*16000);
676 break;
677 default:
9ba0a3c0
MK		 678 tuner_warn("Unsupported radio_if value %d\n",
679 t_params->radio_if);
4adad287 680 return 0;
476d63d0 681 }
1da177e4 682
5e082f15 683 /* Bandswitch byte */
c7a9f3aa 684 simple_radio_bandswitch(fe, &buffer[0]);
5e082f15 685
4adad287 686 buffer[2] = (t_params->ranges[0].config & ~TUNER_RATIO_MASK) |
5e082f15
TP		 687 TUNER_RATIO_SELECT_50; /* 50 kHz step */
688
689 /* Convert from 1/16 kHz V4L steps to 1/20 MHz (=50 kHz) PLL steps
690 freq * (1 Mhz / 16000 V4L steps) * (20 PLL steps / 1 MHz) =
691 freq * (1/800) */
692 div = (freq + 400) / 800;
693
4adad287 694 if (t_params->cb_first_if_lower_freq && div < priv->last_div) {
27487d44
HV		 695 buffer[0] = buffer[2];
696 buffer[1] = buffer[3];
697 buffer[2] = (div>>8) & 0x7f;
698 buffer[3] = div & 0xff;
699 } else {
700 buffer[0] = (div>>8) & 0x7f;
701 buffer[1] = div & 0xff;
702 }
1da177e4
LT		 703
704 tuner_dbg("radio 0x%02x 0x%02x 0x%02x 0x%02x\n",
9ba0a3c0 705 buffer[0], buffer[1], buffer[2], buffer[3]);
6b1dde90 706 priv->last_div = div;
1da177e4 707
4adad287 708 if (t_params->has_tda9887) {
ba8fc399 709 int config = 0;
7f171123
MCC		 710 struct v4l2_priv_tun_config tda9887_cfg;
711
712 tda9887_cfg.tuner = TUNER_TDA9887;
713 tda9887_cfg.priv = &config;
714
9ba0a3c0
MK		 715 if (t_params->port1_active &&
716 !t_params->port1_fm_high_sensitivity)
ba8fc399 717 config |= TDA9887_PORT1_ACTIVE;
9ba0a3c0
MK		 718 if (t_params->port2_active &&
719 !t_params->port2_fm_high_sensitivity)
ba8fc399 720 config |= TDA9887_PORT2_ACTIVE;
4adad287 721 if (t_params->intercarrier_mode)
ba8fc399 722 config |= TDA9887_INTERCARRIER;
4adad287 723/* if (t_params->port1_set_for_fm_mono)
ba8fc399 724 config &= ~TDA9887_PORT1_ACTIVE;*/
4adad287 725 if (t_params->fm_gain_normal)
483deb0f 726 config |= TDA9887_GAIN_NORMAL;
4adad287 727 if (t_params->radio_if == 2)
5e082f15 728 config |= TDA9887_RIF_41_3;
7f171123 729 i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG,
9ba0a3c0 730 &tda9887_cfg);
ba8fc399 731 }
9ba0a3c0
MK		 732 rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
733 if (4 != rc)
734 tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc);
4adad287
MK		 735
736 return 0;
1da177e4
LT		 737}
738
4adad287
MK		 739static int simple_set_params(struct dvb_frontend *fe,
740 struct analog_parameters *params)
6b1dde90 741{
4adad287
MK		 742 struct tuner_simple_priv *priv = fe->tuner_priv;
743 int ret = -EINVAL;
744
a81df363
MK		 745 if (priv->i2c_props.adap == NULL)
746 return -EINVAL;
747
4adad287
MK		 748 switch (params->mode) {
749 case V4L2_TUNER_RADIO:
750 ret = simple_set_radio_freq(fe, params);
751 priv->frequency = params->frequency * 125 / 2;
752 break;
753 case V4L2_TUNER_ANALOG_TV:
754 case V4L2_TUNER_DIGITAL_TV:
755 ret = simple_set_tv_freq(fe, params);
756 priv->frequency = params->frequency * 62500;
757 break;
758 }
62325497 759 priv->bandwidth = 0;
4adad287
MK		 760
761 return ret;
762}
763
23a88108
MK		 764static void simple_set_dvb(struct dvb_frontend *fe, u8 *buf,
765 const struct dvb_frontend_parameters *params)
766{
767 struct tuner_simple_priv *priv = fe->tuner_priv;
768
769 switch (priv->type) {
770 case TUNER_PHILIPS_FMD1216ME_MK3:
953cafc0 771 case TUNER_PHILIPS_FMD1216MEX_MK3:
23a88108
MK		 772 if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ &&
773 params->frequency >= 158870000)
774 buf[3] |= 0x08;
775 break;
0e5d383b
MK		 776 case TUNER_PHILIPS_TD1316:
777 /* determine band */
778 buf[3] |= (params->frequency < 161000000) ? 1 :
779 (params->frequency < 444000000) ? 2 : 4;
780
781 /* setup PLL filter */
782 if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
783 buf[3] |= 1 << 3;
784 break;
02f5f444 785 case TUNER_PHILIPS_TUV1236D:
ab8b870e 786 case TUNER_PHILIPS_FCV1236D:
02f5f444
MK		 787 {
788 unsigned int new_rf;
789
65511611
MK		 790 if (dtv_input[priv->nr])
791 new_rf = dtv_input[priv->nr];
792 else
793 switch (params->u.vsb.modulation) {
794 case QAM_64:
795 case QAM_256:
796 new_rf = 1;
797 break;
798 case VSB_8:
799 default:
800 new_rf = 0;
801 break;
802 }
02f5f444
MK		 803 simple_set_rf_input(fe, &buf[2], &buf[3], new_rf);
804 break;
805 }
23a88108
MK		 806 default:
807 break;
808 }
809}
810
a2a7f84b 811static u32 simple_dvb_configure(struct dvb_frontend *fe, u8 *buf,
62325497
MK		 812 const struct dvb_frontend_parameters *params)
813{
a2a7f84b 814 /* This function returns the tuned frequency on success, 0 on error */
62325497
MK		 815 struct tuner_simple_priv *priv = fe->tuner_priv;
816 struct tunertype *tun = priv->tun;
817 static struct tuner_params *t_params;
818 u8 config, cb;
819 u32 div;
c6eb8eaf
HV		 820 int ret;
821 unsigned frequency = params->frequency / 62500;
62325497 822
6b55009e
MK		 823 if (!tun->stepsize) {
824 /* tuner-core was loaded before the digital tuner was
825 * configured and somehow picked the wrong tuner type */
826 tuner_err("attempt to treat tuner %d (%s) as digital tuner "
827 "without stepsize defined.\n",
828 priv->type, priv->tun->name);
829 return 0; /* failure */
830 }
831
62325497
MK		 832 t_params = simple_tuner_params(fe, TUNER_PARAM_TYPE_DIGITAL);
833 ret = simple_config_lookup(fe, t_params, &frequency, &config, &cb);
834 if (ret < 0)
a2a7f84b 835 return 0; /* failure */
62325497
MK		 836
837 div = ((frequency + t_params->iffreq) * 62500 + offset +
838 tun->stepsize/2) / tun->stepsize;
839
840 buf[0] = div >> 8;
841 buf[1] = div & 0xff;
842 buf[2] = config;
843 buf[3] = cb;
844
23a88108
MK		 845 simple_set_dvb(fe, buf, params);
846
62325497
MK		 847 tuner_dbg("%s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n",
848 tun->name, div, buf[0], buf[1], buf[2], buf[3]);
849
850 /* calculate the frequency we set it to */
851 return (div * tun->stepsize) - t_params->iffreq;
852}
853
854static int simple_dvb_calc_regs(struct dvb_frontend *fe,
855 struct dvb_frontend_parameters *params,
856 u8 *buf, int buf_len)
857{
858 struct tuner_simple_priv *priv = fe->tuner_priv;
62325497
MK		 859 u32 frequency;
860
861 if (buf_len < 5)
862 return -EINVAL;
863
a2a7f84b
MK		 864 frequency = simple_dvb_configure(fe, buf+1, params);
865 if (frequency == 0)
866 return -EINVAL;
62325497
MK		 867
868 buf[0] = priv->i2c_props.addr;
869
870 priv->frequency = frequency;
871 priv->bandwidth = (fe->ops.info.type == FE_OFDM) ?
872 params->u.ofdm.bandwidth : 0;
873
874 return 5;
875}
876
877static int simple_dvb_set_params(struct dvb_frontend *fe,
878 struct dvb_frontend_parameters *params)
879{
880 struct tuner_simple_priv *priv = fe->tuner_priv;
881 u32 prev_freq, prev_bw;
882 int ret;
883 u8 buf[5];
884
885 if (priv->i2c_props.adap == NULL)
886 return -EINVAL;
887
888 prev_freq = priv->frequency;
889 prev_bw = priv->bandwidth;
890
891 ret = simple_dvb_calc_regs(fe, params, buf, 5);
892 if (ret != 5)
893 goto fail;
894
895 /* put analog demod in standby when tuning digital */
896 if (fe->ops.analog_ops.standby)
897 fe->ops.analog_ops.standby(fe);
898
899 if (fe->ops.i2c_gate_ctrl)
900 fe->ops.i2c_gate_ctrl(fe, 1);
901
902 /* buf[0] contains the i2c address, but *
903 * we already have it in i2c_props.addr */
904 ret = tuner_i2c_xfer_send(&priv->i2c_props, buf+1, 4);
905 if (ret != 4)
906 goto fail;
907
908 return 0;
909fail:
910 /* calc_regs sets frequency and bandwidth. if we failed, unset them */
911 priv->frequency = prev_freq;
912 priv->bandwidth = prev_bw;
913
914 return ret;
915}
4adad287 916
6f4a5729
MK		 917static int simple_init(struct dvb_frontend *fe)
918{
919 struct tuner_simple_priv *priv = fe->tuner_priv;
920
921 if (priv->i2c_props.adap == NULL)
922 return -EINVAL;
923
924 if (priv->tun->initdata) {
925 int ret;
926
927 if (fe->ops.i2c_gate_ctrl)
928 fe->ops.i2c_gate_ctrl(fe, 1);
929
930 ret = tuner_i2c_xfer_send(&priv->i2c_props,
931 priv->tun->initdata + 1,
932 priv->tun->initdata[0]);
933 if (ret != priv->tun->initdata[0])
934 return ret;
935 }
936
937 return 0;
938}
939
940static int simple_sleep(struct dvb_frontend *fe)
941{
942 struct tuner_simple_priv *priv = fe->tuner_priv;
943
944 if (priv->i2c_props.adap == NULL)
945 return -EINVAL;
946
947 if (priv->tun->sleepdata) {
948 int ret;
949
950 if (fe->ops.i2c_gate_ctrl)
951 fe->ops.i2c_gate_ctrl(fe, 1);
952
953 ret = tuner_i2c_xfer_send(&priv->i2c_props,
954 priv->tun->sleepdata + 1,
955 priv->tun->sleepdata[0]);
956 if (ret != priv->tun->sleepdata[0])
957 return ret;
958 }
959
960 return 0;
961}
962
4adad287
MK		 963static int simple_release(struct dvb_frontend *fe)
964{
62325497
MK		 965 struct tuner_simple_priv *priv = fe->tuner_priv;
966
967 mutex_lock(&tuner_simple_list_mutex);
968
969 if (priv)
970 hybrid_tuner_release_state(priv);
971
972 mutex_unlock(&tuner_simple_list_mutex);
973
4adad287
MK		 974 fe->tuner_priv = NULL;
975
976 return 0;
977}
978
979static int simple_get_frequency(struct dvb_frontend *fe, u32 *frequency)
980{
981 struct tuner_simple_priv *priv = fe->tuner_priv;
982 *frequency = priv->frequency;
983 return 0;
6b1dde90
MK		 984}
985
62325497
MK		 986static int simple_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
987{
988 struct tuner_simple_priv *priv = fe->tuner_priv;
989 *bandwidth = priv->bandwidth;
990 return 0;
991}
992
4adad287 993static struct dvb_tuner_ops simple_tuner_ops = {
6f4a5729
MK		 994 .init = simple_init,
995 .sleep = simple_sleep,
4adad287 996 .set_analog_params = simple_set_params,
62325497
MK		 997 .set_params = simple_dvb_set_params,
998 .calc_regs = simple_dvb_calc_regs,
735f0b9a
MK		 999 .release = simple_release,
1000 .get_frequency = simple_get_frequency,
62325497 1001 .get_bandwidth = simple_get_bandwidth,
735f0b9a
MK		 1002 .get_status = simple_get_status,
1003 .get_rf_strength = simple_get_rf_strength,
5d807c9f
MK		 1004};
1005
4adad287
MK		 1006struct dvb_frontend *simple_tuner_attach(struct dvb_frontend *fe,
1007 struct i2c_adapter *i2c_adap,
1008 u8 i2c_addr,
060a5bd7 1009 unsigned int type)
1da177e4 1010{
6b1dde90 1011 struct tuner_simple_priv *priv = NULL;
62325497 1012 int instance;
6b1dde90 1013
65e8d29f
MK		 1014 if (type >= tuner_count) {
1015 printk(KERN_WARNING "%s: invalid tuner type: %d (max: %d)\n",
7e28adb2 1016 __func__, type, tuner_count-1);
65e8d29f
MK		 1017 return NULL;
1018 }
1019
e827931e
MK		 1020 /* If i2c_adap is set, check that the tuner is at the correct address.
1021 * Otherwise, if i2c_adap is NULL, the tuner will be programmed directly
1022 * by the digital demod via calc_regs.
1023 */
1024 if (i2c_adap != NULL) {
1025 u8 b[1];
1026 struct i2c_msg msg = {
1027 .addr = i2c_addr, .flags = I2C_M_RD,
1028 .buf = b, .len = 1,
1029 };
1030
1031 if (fe->ops.i2c_gate_ctrl)
1032 fe->ops.i2c_gate_ctrl(fe, 1);
1033
1034 if (1 != i2c_transfer(i2c_adap, &msg, 1))
3b4a9714
AW		 1035 printk(KERN_WARNING "tuner-simple %d-%04x: "
1036 "unable to probe %s, proceeding anyway.",
1037 i2c_adapter_id(i2c_adap), i2c_addr,
1038 tuners[type].name);
e827931e
MK		 1039
1040 if (fe->ops.i2c_gate_ctrl)
1041 fe->ops.i2c_gate_ctrl(fe, 0);
1042 }
1043
62325497
MK		 1044 mutex_lock(&tuner_simple_list_mutex);
1045
1046 instance = hybrid_tuner_request_state(struct tuner_simple_priv, priv,
1047 hybrid_tuner_instance_list,
1048 i2c_adap, i2c_addr,
1049 "tuner-simple");
1050 switch (instance) {
1051 case 0:
1052 mutex_unlock(&tuner_simple_list_mutex);
4adad287 1053 return NULL;
62325497
MK		 1054 case 1:
1055 fe->tuner_priv = priv;
1da177e4 1056
62325497
MK		 1057 priv->type = type;
1058 priv->tun = &tuners[type];
65511611 1059 priv->nr = simple_devcount++;
62325497
MK		 1060 break;
1061 default:
1062 fe->tuner_priv = priv;
1063 break;
1064 }
2756665c 1065
62325497 1066 mutex_unlock(&tuner_simple_list_mutex);
db8a6956 1067
9ba0a3c0
MK		 1068 memcpy(&fe->ops.tuner_ops, &simple_tuner_ops,
1069 sizeof(struct dvb_tuner_ops));
1da177e4 1070
0b82c5d6
MCC		 1071 if (type != priv->type)
1072 tuner_warn("couldn't set type to %d. Using %d (%s) instead\n",
1073 type, priv->type, priv->tun->name);
1074 else
1075 tuner_info("type set to %d (%s)\n",
1076 priv->type, priv->tun->name);
586b0cab 1077
65511611
MK		 1078 if ((debug) || ((atv_input[priv->nr] > 0) ||
1079 (dtv_input[priv->nr] > 0))) {
1080 if (0 == atv_input[priv->nr])
1081 tuner_info("tuner %d atv rf input will be "
1082 "autoselected\n", priv->nr);
1083 else
1084 tuner_info("tuner %d atv rf input will be "
1085 "set to input %d (insmod option)\n",
1086 priv->nr, atv_input[priv->nr]);
1087 if (0 == dtv_input[priv->nr])
1088 tuner_info("tuner %d dtv rf input will be "
1089 "autoselected\n", priv->nr);
1090 else
1091 tuner_info("tuner %d dtv rf input will be "
1092 "set to input %d (insmod option)\n",
1093 priv->nr, dtv_input[priv->nr]);
1094 }
1095
060a5bd7 1096 strlcpy(fe->ops.tuner_ops.info.name, priv->tun->name,
9ba0a3c0 1097 sizeof(fe->ops.tuner_ops.info.name));
4adad287
MK		 1098
1099 return fe;
1da177e4 1100}
4adad287
MK		 1101EXPORT_SYMBOL_GPL(simple_tuner_attach);
1102
1103MODULE_DESCRIPTION("Simple 4-control-bytes style tuner driver");
1104MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer");
1105MODULE_LICENSE("GPL");
1106
1da177e4
LT		 1107/*
1108 * Overrides for Emacs so that we follow Linus's tabbing style.
1109 * ---------------------------------------------------------------------------
1110 * Local variables:
1111 * c-basic-offset: 8
1112 * End:
1113 */
Linux kernel - Deliverables
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