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V4L/DVB (7350): tuner-simple: enable digital tuning support for Thomson DTT 761X
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / media / video / 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>
9#include <linux/videodev.h>
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
9ba0a3c0 20static int offset;
4d98816b 21module_param(offset, int, 0664);
9ba0a3c0 22MODULE_PARM_DESC(offset, "Allows to specify an offset for tuner");
5c07db0c 23
1da177e4
LT		 24/* ---------------------------------------------------------------------- */
25
26/* tv standard selection for Temic 4046 FM5
27 this value takes the low bits of control byte 2
28 from datasheet Rev.01, Feb.00
29 standard BG I L L2 D
30 picture IF 38.9 38.9 38.9 33.95 38.9
31 sound 1 33.4 32.9 32.4 40.45 32.4
32 sound 2 33.16
33 NICAM 33.05 32.348 33.05 33.05
34 */
35#define TEMIC_SET_PAL_I 0x05
36#define TEMIC_SET_PAL_DK 0x09
9ba0a3c0
MK		 37#define TEMIC_SET_PAL_L 0x0a /* SECAM ? */
38#define TEMIC_SET_PAL_L2 0x0b /* change IF ! */
1da177e4
LT		 39#define TEMIC_SET_PAL_BG 0x0c
40
41/* tv tuner system standard selection for Philips FQ1216ME
42 this value takes the low bits of control byte 2
43 from datasheet "1999 Nov 16" (supersedes "1999 Mar 23")
44 standard BG DK I L L`
45 picture carrier 38.90 38.90 38.90 38.90 33.95
46 colour 34.47 34.47 34.47 34.47 38.38
47 sound 1 33.40 32.40 32.90 32.40 40.45
48 sound 2 33.16 - - - -
49 NICAM 33.05 33.05 32.35 33.05 39.80
50 */
51#define PHILIPS_SET_PAL_I 0x01 /* Bit 2 always zero !*/
52#define PHILIPS_SET_PAL_BGDK 0x09
53#define PHILIPS_SET_PAL_L2 0x0a
54#define PHILIPS_SET_PAL_L 0x0b
55
56/* system switching for Philips FI1216MF MK2
57 from datasheet "1996 Jul 09",
58 standard BG L L'
59 picture carrier 38.90 38.90 33.95
60 colour 34.47 34.37 38.38
61 sound 1 33.40 32.40 40.45
62 sound 2 33.16 - -
63 NICAM 33.05 33.05 39.80
64 */
c57032de
MCC		 65#define PHILIPS_MF_SET_STD_BG 0x01 /* Bit 2 must be zero, Bit 3 is system output */
66#define PHILIPS_MF_SET_STD_L 0x03 /* Used on Secam France */
67#define PHILIPS_MF_SET_STD_LC 0x02 /* Used on SECAM L' */
1da177e4 68
f7ce3cc6
MCC		 69/* Control byte */
70
71#define TUNER_RATIO_MASK 0x06 /* Bit cb1:cb2 */
72#define TUNER_RATIO_SELECT_50 0x00
73#define TUNER_RATIO_SELECT_32 0x02
74#define TUNER_RATIO_SELECT_166 0x04
75#define TUNER_RATIO_SELECT_62 0x06
76
77#define TUNER_CHARGE_PUMP 0x40 /* Bit cb6 */
78
79/* Status byte */
80
81#define TUNER_POR 0x80
82#define TUNER_FL 0x40
83#define TUNER_MODE 0x38
84#define TUNER_AFC 0x07
85#define TUNER_SIGNAL 0x07
86#define TUNER_STEREO 0x10
87
88#define TUNER_PLL_LOCKED 0x40
89#define TUNER_STEREO_MK3 0x04
1da177e4 90
62325497
MK		 91static DEFINE_MUTEX(tuner_simple_list_mutex);
92static LIST_HEAD(hybrid_tuner_instance_list);
93
6b1dde90
MK		 94struct tuner_simple_priv {
95 u16 last_div;
62325497 96
db8a6956 97 struct tuner_i2c_props i2c_props;
62325497 98 struct list_head hybrid_tuner_instance_list;
4adad287
MK		 99
100 unsigned int type;
101 struct tunertype *tun;
102
103 u32 frequency;
62325497 104 u32 bandwidth;
6b1dde90
MK		 105};
106
1da177e4
LT		 107/* ---------------------------------------------------------------------- */
108
735f0b9a 109static int tuner_read_status(struct dvb_frontend *fe)
1da177e4 110{
4adad287 111 struct tuner_simple_priv *priv = fe->tuner_priv;
1da177e4
LT		 112 unsigned char byte;
113
9ba0a3c0 114 if (1 != tuner_i2c_xfer_recv(&priv->i2c_props, &byte, 1))
1da177e4 115 return 0;
56fc08ca 116
1da177e4
LT		 117 return byte;
118}
119
735f0b9a 120static inline int tuner_signal(const int status)
1da177e4 121{
735f0b9a 122 return (status & TUNER_SIGNAL) << 13;
1da177e4
LT		 123}
124
735f0b9a 125static inline int tuner_stereo(const int type, const int status)
1da177e4 126{
735f0b9a 127 switch (type) {
9ba0a3c0
MK		 128 case TUNER_PHILIPS_FM1216ME_MK3:
129 case TUNER_PHILIPS_FM1236_MK3:
130 case TUNER_PHILIPS_FM1256_IH3:
131 case TUNER_LG_NTSC_TAPE:
132 return ((status & TUNER_SIGNAL) == TUNER_STEREO_MK3);
133 default:
134 return status & TUNER_STEREO;
56fc08ca 135 }
735f0b9a 136}
56fc08ca 137
735f0b9a
MK		 138static inline int tuner_islocked(const int status)
139{
140 return (status & TUNER_FL);
141}
142
143static inline int tuner_afcstatus(const int status)
144{
145 return (status & TUNER_AFC) - 2;
1da177e4
LT		 146}
147
1da177e4 148
4adad287
MK		 149static int simple_get_status(struct dvb_frontend *fe, u32 *status)
150{
151 struct tuner_simple_priv *priv = fe->tuner_priv;
a81df363
MK		 152 int tuner_status;
153
154 if (priv->i2c_props.adap == NULL)
155 return -EINVAL;
156
157 tuner_status = tuner_read_status(fe);
4adad287
MK		 158
159 *status = 0;
160
735f0b9a 161 if (tuner_islocked(tuner_status))
4adad287 162 *status = TUNER_STATUS_LOCKED;
735f0b9a 163 if (tuner_stereo(priv->type, tuner_status))
4adad287
MK		 164 *status |= TUNER_STATUS_STEREO;
165
735f0b9a
MK		 166 tuner_dbg("AFC Status: %d\n", tuner_afcstatus(tuner_status));
167
168 return 0;
169}
170
171static int simple_get_rf_strength(struct dvb_frontend *fe, u16 *strength)
172{
173 struct tuner_simple_priv *priv = fe->tuner_priv;
a81df363
MK		 174 int signal;
175
176 if (priv->i2c_props.adap == NULL)
177 return -EINVAL;
178
179 signal = tuner_signal(tuner_read_status(fe));
735f0b9a
MK		 180
181 *strength = signal;
182
183 tuner_dbg("Signal strength: %d\n", signal);
4adad287
MK		 184
185 return 0;
186}
187
1da177e4
LT		 188/* ---------------------------------------------------------------------- */
189
be71f7dc
MK		 190static inline char *tuner_param_name(enum param_type type)
191{
192 char *name;
193
194 switch (type) {
195 case TUNER_PARAM_TYPE_RADIO:
196 name = "radio";
197 break;
198 case TUNER_PARAM_TYPE_PAL:
199 name = "pal";
200 break;
201 case TUNER_PARAM_TYPE_SECAM:
202 name = "secam";
203 break;
204 case TUNER_PARAM_TYPE_NTSC:
205 name = "ntsc";
206 break;
62325497
MK		 207 case TUNER_PARAM_TYPE_DIGITAL:
208 name = "digital";
209 break;
be71f7dc
MK		 210 default:
211 name = "unknown";
212 break;
213 }
214 return name;
215}
216
217static struct tuner_params *simple_tuner_params(struct dvb_frontend *fe,
218 enum param_type desired_type)
219{
220 struct tuner_simple_priv *priv = fe->tuner_priv;
221 struct tunertype *tun = priv->tun;
222 int i;
223
224 for (i = 0; i < tun->count; i++)
225 if (desired_type == tun->params[i].type)
226 break;
227
228 /* use default tuner params if desired_type not available */
229 if (i == tun->count) {
230 tuner_dbg("desired params (%s) undefined for tuner %d\n",
231 tuner_param_name(desired_type), priv->type);
232 i = 0;
233 }
234
235 tuner_dbg("using tuner params #%d (%s)\n", i,
236 tuner_param_name(tun->params[i].type));
237
238 return &tun->params[i];
239}
240
241static int simple_config_lookup(struct dvb_frontend *fe,
242 struct tuner_params *t_params,
243 int *frequency, u8 *config, u8 *cb)
244{
245 struct tuner_simple_priv *priv = fe->tuner_priv;
246 int i;
247
248 for (i = 0; i < t_params->count; i++) {
249 if (*frequency > t_params->ranges[i].limit)
250 continue;
251 break;
252 }
253 if (i == t_params->count) {
254 tuner_dbg("frequency out of range (%d > %d)\n",
255 *frequency, t_params->ranges[i - 1].limit);
256 *frequency = t_params->ranges[--i].limit;
257 }
258 *config = t_params->ranges[i].config;
259 *cb = t_params->ranges[i].cb;
260
7f8447d1
MK		 261 tuner_dbg("freq = %d.%02d (%d), range = %d, "
262 "config = 0x%02x, cb = 0x%02x\n",
263 *frequency / 16, *frequency % 16 * 100 / 16, *frequency,
264 i, *config, *cb);
be71f7dc
MK		 265
266 return i;
267}
268
269/* ---------------------------------------------------------------------- */
270
c7a9f3aa
MK		 271static int simple_std_setup(struct dvb_frontend *fe,
272 struct analog_parameters *params,
f13613ac 273 u8 *config, u8 *cb)
1da177e4 274{
4adad287 275 struct tuner_simple_priv *priv = fe->tuner_priv;
c7a9f3aa
MK		 276 u8 tuneraddr;
277 int rc;
5f594187 278
1da177e4 279 /* tv norm specific stuff for multi-norm tuners */
4adad287 280 switch (priv->type) {
9ba0a3c0 281 case TUNER_PHILIPS_SECAM: /* FI1216MF */
1da177e4
LT		 282 /* 0x01 -> ??? no change ??? */
283 /* 0x02 -> PAL BDGHI / SECAM L */
284 /* 0x04 -> ??? PAL others / SECAM others ??? */
c7a9f3aa 285 *cb &= ~0x03;
9ba0a3c0
MK		 286 if (params->std & V4L2_STD_SECAM_L)
287 /* also valid for V4L2_STD_SECAM */
c7a9f3aa 288 *cb |= PHILIPS_MF_SET_STD_L;
4adad287 289 else if (params->std & V4L2_STD_SECAM_LC)
c7a9f3aa 290 *cb |= PHILIPS_MF_SET_STD_LC;
82c01d3d 291 else /* V4L2_STD_B|V4L2_STD_GH */
c7a9f3aa 292 *cb |= PHILIPS_MF_SET_STD_BG;
1da177e4
LT		 293 break;
294
295 case TUNER_TEMIC_4046FM5:
c7a9f3aa 296 *cb &= ~0x0f;
1da177e4 297
4adad287 298 if (params->std & V4L2_STD_PAL_BG) {
c7a9f3aa 299 *cb |= TEMIC_SET_PAL_BG;
1da177e4 300
4adad287 301 } else if (params->std & V4L2_STD_PAL_I) {
c7a9f3aa 302 *cb |= TEMIC_SET_PAL_I;
1da177e4 303
4adad287 304 } else if (params->std & V4L2_STD_PAL_DK) {
c7a9f3aa 305 *cb |= TEMIC_SET_PAL_DK;
1da177e4 306
4adad287 307 } else if (params->std & V4L2_STD_SECAM_L) {
c7a9f3aa 308 *cb |= TEMIC_SET_PAL_L;
1da177e4
LT		 309
310 }
311 break;
312
313 case TUNER_PHILIPS_FQ1216ME:
c7a9f3aa 314 *cb &= ~0x0f;
1da177e4 315
4adad287 316 if (params->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) {
c7a9f3aa 317 *cb |= PHILIPS_SET_PAL_BGDK;
1da177e4 318
4adad287 319 } else if (params->std & V4L2_STD_PAL_I) {
c7a9f3aa 320 *cb |= PHILIPS_SET_PAL_I;
1da177e4 321
4adad287 322 } else if (params->std & V4L2_STD_SECAM_L) {
c7a9f3aa 323 *cb |= PHILIPS_SET_PAL_L;
1da177e4
LT		 324
325 }
326 break;
327
328 case TUNER_PHILIPS_ATSC:
329 /* 0x00 -> ATSC antenna input 1 */
330 /* 0x01 -> ATSC antenna input 2 */
331 /* 0x02 -> NTSC antenna input 1 */
332 /* 0x03 -> NTSC antenna input 2 */
c7a9f3aa 333 *cb &= ~0x03;
4adad287 334 if (!(params->std & V4L2_STD_ATSC))
c7a9f3aa 335 *cb |= 2;
1da177e4
LT		 336 /* FIXME: input */
337 break;
338
339 case TUNER_MICROTUNE_4042FI5:
340 /* Set the charge pump for fast tuning */
c7a9f3aa 341 *config |= TUNER_CHARGE_PUMP;
1da177e4 342 break;
e976f937
KL		 343
344 case TUNER_PHILIPS_TUV1236D:
f13613ac 345 {
e976f937
KL		 346 /* 0x40 -> ATSC antenna input 1 */
347 /* 0x48 -> ATSC antenna input 2 */
348 /* 0x00 -> NTSC antenna input 1 */
349 /* 0x08 -> NTSC antenna input 2 */
f13613ac 350 u8 buffer[4] = { 0x14, 0x00, 0x17, 0x00};
c7a9f3aa 351 *cb &= ~0x40;
4adad287 352 if (params->std & V4L2_STD_ATSC) {
c7a9f3aa 353 *cb |= 0x40;
fde6d31e
KL		 354 buffer[1] = 0x04;
355 }
356 /* set to the correct mode (analog or digital) */
db8a6956
MK		 357 tuneraddr = priv->i2c_props.addr;
358 priv->i2c_props.addr = 0x0a;
9ba0a3c0
MK		 359 rc = tuner_i2c_xfer_send(&priv->i2c_props, &buffer[0], 2);
360 if (2 != rc)
361 tuner_warn("i2c i/o error: rc == %d "
362 "(should be 2)\n", rc);
363 rc = tuner_i2c_xfer_send(&priv->i2c_props, &buffer[2], 2);
364 if (2 != rc)
365 tuner_warn("i2c i/o error: rc == %d "
366 "(should be 2)\n", rc);
db8a6956 367 priv->i2c_props.addr = tuneraddr;
e976f937
KL		 368 /* FIXME: input */
369 break;
1da177e4 370 }
f13613ac 371 }
1da177e4 372
c7a9f3aa
MK		 373 return 0;
374}
375
376static int simple_post_tune(struct dvb_frontend *fe, u8 *buffer,
377 u16 div, u8 config, u8 cb)
378{
379 struct tuner_simple_priv *priv = fe->tuner_priv;
380 int rc;
381
382 switch (priv->type) {
383 case TUNER_LG_TDVS_H06XF:
384 /* Set the Auxiliary Byte. */
385 buffer[0] = buffer[2];
386 buffer[0] &= ~0x20;
387 buffer[0] |= 0x18;
388 buffer[1] = 0x20;
389 tuner_dbg("tv 0x%02x 0x%02x\n", buffer[0], buffer[1]);
390
391 rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 2);
392 if (2 != rc)
393 tuner_warn("i2c i/o error: rc == %d "
394 "(should be 2)\n", rc);
395 break;
396 case TUNER_MICROTUNE_4042FI5:
397 {
398 /* FIXME - this may also work for other tuners */
399 unsigned long timeout = jiffies + msecs_to_jiffies(1);
400 u8 status_byte = 0;
401
402 /* Wait until the PLL locks */
403 for (;;) {
404 if (time_after(jiffies, timeout))
405 return 0;
406 rc = tuner_i2c_xfer_recv(&priv->i2c_props,
407 &status_byte, 1);
408 if (1 != rc) {
409 tuner_warn("i2c i/o read error: rc == %d "
410 "(should be 1)\n", rc);
411 break;
412 }
413 if (status_byte & TUNER_PLL_LOCKED)
414 break;
415 udelay(10);
416 }
417
418 /* Set the charge pump for optimized phase noise figure */
419 config &= ~TUNER_CHARGE_PUMP;
420 buffer[0] = (div>>8) & 0x7f;
421 buffer[1] = div & 0xff;
422 buffer[2] = config;
423 buffer[3] = cb;
424 tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
425 buffer[0], buffer[1], buffer[2], buffer[3]);
426
427 rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
428 if (4 != rc)
429 tuner_warn("i2c i/o error: rc == %d "
430 "(should be 4)\n", rc);
431 break;
432 }
433 }
434
435 return 0;
436}
437
438static int simple_radio_bandswitch(struct dvb_frontend *fe, u8 *buffer)
439{
440 struct tuner_simple_priv *priv = fe->tuner_priv;
441
442 switch (priv->type) {
443 case TUNER_TENA_9533_DI:
444 case TUNER_YMEC_TVF_5533MF:
445 tuner_dbg("This tuner doesn't have FM. "
446 "Most cards have a TEA5767 for FM\n");
447 return 0;
448 case TUNER_PHILIPS_FM1216ME_MK3:
449 case TUNER_PHILIPS_FM1236_MK3:
450 case TUNER_PHILIPS_FMD1216ME_MK3:
451 case TUNER_LG_NTSC_TAPE:
452 case TUNER_PHILIPS_FM1256_IH3:
453 buffer[3] = 0x19;
454 break;
455 case TUNER_TNF_5335MF:
456 buffer[3] = 0x11;
457 break;
458 case TUNER_LG_PAL_FM:
459 buffer[3] = 0xa5;
460 break;
461 case TUNER_THOMSON_DTT761X:
462 buffer[3] = 0x39;
463 break;
464 case TUNER_MICROTUNE_4049FM5:
465 default:
466 buffer[3] = 0xa4;
467 break;
468 }
469
470 return 0;
471}
472
473/* ---------------------------------------------------------------------- */
474
475static int simple_set_tv_freq(struct dvb_frontend *fe,
476 struct analog_parameters *params)
477{
478 struct tuner_simple_priv *priv = fe->tuner_priv;
479 u8 config, cb;
480 u16 div;
481 struct tunertype *tun;
482 u8 buffer[4];
483 int rc, IFPCoff, i;
484 enum param_type desired_type;
485 struct tuner_params *t_params;
486
487 tun = priv->tun;
488
489 /* IFPCoff = Video Intermediate Frequency - Vif:
490 940 =16*58.75 NTSC/J (Japan)
491 732 =16*45.75 M/N STD
492 704 =16*44 ATSC (at DVB code)
493 632 =16*39.50 I U.K.
494 622.4=16*38.90 B/G D/K I, L STD
495 592 =16*37.00 D China
496 590 =16.36.875 B Australia
497 543.2=16*33.95 L' STD
498 171.2=16*10.70 FM Radio (at set_radio_freq)
499 */
500
501 if (params->std == V4L2_STD_NTSC_M_JP) {
502 IFPCoff = 940;
503 desired_type = TUNER_PARAM_TYPE_NTSC;
504 } else if ((params->std & V4L2_STD_MN) &&
505 !(params->std & ~V4L2_STD_MN)) {
506 IFPCoff = 732;
507 desired_type = TUNER_PARAM_TYPE_NTSC;
508 } else if (params->std == V4L2_STD_SECAM_LC) {
509 IFPCoff = 543;
510 desired_type = TUNER_PARAM_TYPE_SECAM;
511 } else {
512 IFPCoff = 623;
513 desired_type = TUNER_PARAM_TYPE_PAL;
514 }
515
516 t_params = simple_tuner_params(fe, desired_type);
517
518 i = simple_config_lookup(fe, t_params, &params->frequency,
519 &config, &cb);
520
521 div = params->frequency + IFPCoff + offset;
522
523 tuner_dbg("Freq= %d.%02d MHz, V_IF=%d.%02d MHz, "
524 "Offset=%d.%02d MHz, div=%0d\n",
525 params->frequency / 16, params->frequency % 16 * 100 / 16,
526 IFPCoff / 16, IFPCoff % 16 * 100 / 16,
527 offset / 16, offset % 16 * 100 / 16, div);
528
529 /* tv norm specific stuff for multi-norm tuners */
f13613ac 530 simple_std_setup(fe, params, &config, &cb);
c7a9f3aa 531
4adad287 532 if (t_params->cb_first_if_lower_freq && div < priv->last_div) {
3fc46d35 533 buffer[0] = config;
ab66b22f 534 buffer[1] = cb;
1da177e4
LT		 535 buffer[2] = (div>>8) & 0x7f;
536 buffer[3] = div & 0xff;
537 } else {
538 buffer[0] = (div>>8) & 0x7f;
539 buffer[1] = div & 0xff;
3fc46d35 540 buffer[2] = config;
ab66b22f 541 buffer[3] = cb;
1da177e4 542 }
6b1dde90 543 priv->last_div = div;
4adad287 544 if (t_params->has_tda9887) {
7f171123 545 struct v4l2_priv_tun_config tda9887_cfg;
ba8fc399 546 int config = 0;
9ba0a3c0
MK		 547 int is_secam_l = (params->std & (V4L2_STD_SECAM_L |
548 V4L2_STD_SECAM_LC)) &&
549 !(params->std & ~(V4L2_STD_SECAM_L |
550 V4L2_STD_SECAM_LC));
ba8fc399 551
7f171123
MCC		 552 tda9887_cfg.tuner = TUNER_TDA9887;
553 tda9887_cfg.priv = &config;
554
4adad287
MK		 555 if (params->std == V4L2_STD_SECAM_LC) {
556 if (t_params->port1_active ^ t_params->port1_invert_for_secam_lc)
ba8fc399 557 config |= TDA9887_PORT1_ACTIVE;
4adad287 558 if (t_params->port2_active ^ t_params->port2_invert_for_secam_lc)
ba8fc399 559 config |= TDA9887_PORT2_ACTIVE;
9ba0a3c0 560 } else {
4adad287 561 if (t_params->port1_active)
ba8fc399 562 config |= TDA9887_PORT1_ACTIVE;
4adad287 563 if (t_params->port2_active)
ba8fc399
HV		 564 config |= TDA9887_PORT2_ACTIVE;
565 }
4adad287 566 if (t_params->intercarrier_mode)
ba8fc399
HV		 567 config |= TDA9887_INTERCARRIER;
568 if (is_secam_l) {
4adad287
MK		 569 if (i == 0 && t_params->default_top_secam_low)
570 config |= TDA9887_TOP(t_params->default_top_secam_low);
571 else if (i == 1 && t_params->default_top_secam_mid)
572 config |= TDA9887_TOP(t_params->default_top_secam_mid);
573 else if (t_params->default_top_secam_high)
574 config |= TDA9887_TOP(t_params->default_top_secam_high);
9ba0a3c0 575 } else {
4adad287
MK		 576 if (i == 0 && t_params->default_top_low)
577 config |= TDA9887_TOP(t_params->default_top_low);
578 else if (i == 1 && t_params->default_top_mid)
579 config |= TDA9887_TOP(t_params->default_top_mid);
580 else if (t_params->default_top_high)
581 config |= TDA9887_TOP(t_params->default_top_high);
ba8fc399 582 }
4adad287 583 if (t_params->default_pll_gating_18)
d7304dee 584 config |= TDA9887_GATING_18;
7f171123
MCC		 585 i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG,
586 &tda9887_cfg);
ba8fc399 587 }
1da177e4 588 tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
9ba0a3c0 589 buffer[0], buffer[1], buffer[2], buffer[3]);
1da177e4 590
9ba0a3c0
MK		 591 rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
592 if (4 != rc)
593 tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc);
1da177e4 594
c7a9f3aa 595 simple_post_tune(fe, &buffer[0], div, config, cb);
1da177e4 596
4adad287 597 return 0;
1da177e4
LT		 598}
599
4adad287
MK		 600static int simple_set_radio_freq(struct dvb_frontend *fe,
601 struct analog_parameters *params)
1da177e4
LT		 602{
603 struct tunertype *tun;
4adad287 604 struct tuner_simple_priv *priv = fe->tuner_priv;
27487d44
HV		 605 u8 buffer[4];
606 u16 div;
7b0ac9cd 607 int rc, j;
4adad287
MK		 608 struct tuner_params *t_params;
609 unsigned int freq = params->frequency;
1da177e4 610
4adad287 611 tun = priv->tun;
476d63d0 612
5e082f15
TP		 613 for (j = tun->count-1; j > 0; j--)
614 if (tun->params[j].type == TUNER_PARAM_TYPE_RADIO)
615 break;
4adad287
MK		 616 /* default t_params (j=0) will be used if desired type wasn't found */
617 t_params = &tun->params[j];
5e082f15
TP		 618
619 /* Select Radio 1st IF used */
4adad287 620 switch (t_params->radio_if) {
5e082f15
TP		 621 case 0: /* 10.7 MHz */
622 freq += (unsigned int)(10.7*16000);
476d63d0 623 break;
5e082f15
TP		 624 case 1: /* 33.3 MHz */
625 freq += (unsigned int)(33.3*16000);
626 break;
627 case 2: /* 41.3 MHz */
628 freq += (unsigned int)(41.3*16000);
629 break;
630 default:
9ba0a3c0
MK		 631 tuner_warn("Unsupported radio_if value %d\n",
632 t_params->radio_if);
4adad287 633 return 0;
476d63d0 634 }
1da177e4 635
5e082f15 636 /* Bandswitch byte */
c7a9f3aa 637 simple_radio_bandswitch(fe, &buffer[0]);
5e082f15 638
4adad287 639 buffer[2] = (t_params->ranges[0].config & ~TUNER_RATIO_MASK) |
5e082f15
TP		 640 TUNER_RATIO_SELECT_50; /* 50 kHz step */
641
642 /* Convert from 1/16 kHz V4L steps to 1/20 MHz (=50 kHz) PLL steps
643 freq * (1 Mhz / 16000 V4L steps) * (20 PLL steps / 1 MHz) =
644 freq * (1/800) */
645 div = (freq + 400) / 800;
646
4adad287 647 if (t_params->cb_first_if_lower_freq && div < priv->last_div) {
27487d44
HV		 648 buffer[0] = buffer[2];
649 buffer[1] = buffer[3];
650 buffer[2] = (div>>8) & 0x7f;
651 buffer[3] = div & 0xff;
652 } else {
653 buffer[0] = (div>>8) & 0x7f;
654 buffer[1] = div & 0xff;
655 }
1da177e4
LT		 656
657 tuner_dbg("radio 0x%02x 0x%02x 0x%02x 0x%02x\n",
9ba0a3c0 658 buffer[0], buffer[1], buffer[2], buffer[3]);
6b1dde90 659 priv->last_div = div;
1da177e4 660
4adad287 661 if (t_params->has_tda9887) {
ba8fc399 662 int config = 0;
7f171123
MCC		 663 struct v4l2_priv_tun_config tda9887_cfg;
664
665 tda9887_cfg.tuner = TUNER_TDA9887;
666 tda9887_cfg.priv = &config;
667
9ba0a3c0
MK		 668 if (t_params->port1_active &&
669 !t_params->port1_fm_high_sensitivity)
ba8fc399 670 config |= TDA9887_PORT1_ACTIVE;
9ba0a3c0
MK		 671 if (t_params->port2_active &&
672 !t_params->port2_fm_high_sensitivity)
ba8fc399 673 config |= TDA9887_PORT2_ACTIVE;
4adad287 674 if (t_params->intercarrier_mode)
ba8fc399 675 config |= TDA9887_INTERCARRIER;
4adad287 676/* if (t_params->port1_set_for_fm_mono)
ba8fc399 677 config &= ~TDA9887_PORT1_ACTIVE;*/
4adad287 678 if (t_params->fm_gain_normal)
483deb0f 679 config |= TDA9887_GAIN_NORMAL;
4adad287 680 if (t_params->radio_if == 2)
5e082f15 681 config |= TDA9887_RIF_41_3;
7f171123 682 i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG,
9ba0a3c0 683 &tda9887_cfg);
ba8fc399 684 }
9ba0a3c0
MK		 685 rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
686 if (4 != rc)
687 tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc);
4adad287
MK		 688
689 return 0;
1da177e4
LT		 690}
691
4adad287
MK		 692static int simple_set_params(struct dvb_frontend *fe,
693 struct analog_parameters *params)
6b1dde90 694{
4adad287
MK		 695 struct tuner_simple_priv *priv = fe->tuner_priv;
696 int ret = -EINVAL;
697
a81df363
MK		 698 if (priv->i2c_props.adap == NULL)
699 return -EINVAL;
700
4adad287
MK		 701 switch (params->mode) {
702 case V4L2_TUNER_RADIO:
703 ret = simple_set_radio_freq(fe, params);
704 priv->frequency = params->frequency * 125 / 2;
705 break;
706 case V4L2_TUNER_ANALOG_TV:
707 case V4L2_TUNER_DIGITAL_TV:
708 ret = simple_set_tv_freq(fe, params);
709 priv->frequency = params->frequency * 62500;
710 break;
711 }
62325497 712 priv->bandwidth = 0;
4adad287
MK		 713
714 return ret;
715}
716
62325497
MK		 717static int simple_dvb_configure(struct dvb_frontend *fe, u8 *buf,
718 const struct dvb_frontend_parameters *params)
719{
720 struct tuner_simple_priv *priv = fe->tuner_priv;
721 struct tunertype *tun = priv->tun;
722 static struct tuner_params *t_params;
723 u8 config, cb;
724 u32 div;
725 int ret, frequency = params->frequency / 62500;
726
727 t_params = simple_tuner_params(fe, TUNER_PARAM_TYPE_DIGITAL);
728 ret = simple_config_lookup(fe, t_params, &frequency, &config, &cb);
729 if (ret < 0)
730 return ret;
731
732 div = ((frequency + t_params->iffreq) * 62500 + offset +
733 tun->stepsize/2) / tun->stepsize;
734
735 buf[0] = div >> 8;
736 buf[1] = div & 0xff;
737 buf[2] = config;
738 buf[3] = cb;
739
740 tuner_dbg("%s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n",
741 tun->name, div, buf[0], buf[1], buf[2], buf[3]);
742
743 /* calculate the frequency we set it to */
744 return (div * tun->stepsize) - t_params->iffreq;
745}
746
747static int simple_dvb_calc_regs(struct dvb_frontend *fe,
748 struct dvb_frontend_parameters *params,
749 u8 *buf, int buf_len)
750{
751 struct tuner_simple_priv *priv = fe->tuner_priv;
752 int ret;
753 u32 frequency;
754
755 if (buf_len < 5)
756 return -EINVAL;
757
758 ret = simple_dvb_configure(fe, buf+1, params);
759 if (ret < 0)
760 return ret;
761 else
762 frequency = ret;
763
764 buf[0] = priv->i2c_props.addr;
765
766 priv->frequency = frequency;
767 priv->bandwidth = (fe->ops.info.type == FE_OFDM) ?
768 params->u.ofdm.bandwidth : 0;
769
770 return 5;
771}
772
773static int simple_dvb_set_params(struct dvb_frontend *fe,
774 struct dvb_frontend_parameters *params)
775{
776 struct tuner_simple_priv *priv = fe->tuner_priv;
777 u32 prev_freq, prev_bw;
778 int ret;
779 u8 buf[5];
780
781 if (priv->i2c_props.adap == NULL)
782 return -EINVAL;
783
784 prev_freq = priv->frequency;
785 prev_bw = priv->bandwidth;
786
787 ret = simple_dvb_calc_regs(fe, params, buf, 5);
788 if (ret != 5)
789 goto fail;
790
791 /* put analog demod in standby when tuning digital */
792 if (fe->ops.analog_ops.standby)
793 fe->ops.analog_ops.standby(fe);
794
795 if (fe->ops.i2c_gate_ctrl)
796 fe->ops.i2c_gate_ctrl(fe, 1);
797
798 /* buf[0] contains the i2c address, but *
799 * we already have it in i2c_props.addr */
800 ret = tuner_i2c_xfer_send(&priv->i2c_props, buf+1, 4);
801 if (ret != 4)
802 goto fail;
803
804 return 0;
805fail:
806 /* calc_regs sets frequency and bandwidth. if we failed, unset them */
807 priv->frequency = prev_freq;
808 priv->bandwidth = prev_bw;
809
810 return ret;
811}
4adad287
MK		 812
813static int simple_release(struct dvb_frontend *fe)
814{
62325497
MK		 815 struct tuner_simple_priv *priv = fe->tuner_priv;
816
817 mutex_lock(&tuner_simple_list_mutex);
818
819 if (priv)
820 hybrid_tuner_release_state(priv);
821
822 mutex_unlock(&tuner_simple_list_mutex);
823
4adad287
MK		 824 fe->tuner_priv = NULL;
825
826 return 0;
827}
828
829static int simple_get_frequency(struct dvb_frontend *fe, u32 *frequency)
830{
831 struct tuner_simple_priv *priv = fe->tuner_priv;
832 *frequency = priv->frequency;
833 return 0;
6b1dde90
MK		 834}
835
62325497
MK		 836static int simple_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
837{
838 struct tuner_simple_priv *priv = fe->tuner_priv;
839 *bandwidth = priv->bandwidth;
840 return 0;
841}
842
4adad287
MK		 843static struct dvb_tuner_ops simple_tuner_ops = {
844 .set_analog_params = simple_set_params,
62325497
MK		 845 .set_params = simple_dvb_set_params,
846 .calc_regs = simple_dvb_calc_regs,
735f0b9a
MK		 847 .release = simple_release,
848 .get_frequency = simple_get_frequency,
62325497 849 .get_bandwidth = simple_get_bandwidth,
735f0b9a
MK		 850 .get_status = simple_get_status,
851 .get_rf_strength = simple_get_rf_strength,
5d807c9f
MK		 852};
853
4adad287
MK		 854struct dvb_frontend *simple_tuner_attach(struct dvb_frontend *fe,
855 struct i2c_adapter *i2c_adap,
856 u8 i2c_addr,
060a5bd7 857 unsigned int type)
1da177e4 858{
6b1dde90 859 struct tuner_simple_priv *priv = NULL;
62325497 860 int instance;
6b1dde90 861
65e8d29f
MK		 862 if (type >= tuner_count) {
863 printk(KERN_WARNING "%s: invalid tuner type: %d (max: %d)\n",
864 __FUNCTION__, type, tuner_count-1);
865 return NULL;
866 }
867
62325497
MK		 868 mutex_lock(&tuner_simple_list_mutex);
869
870 instance = hybrid_tuner_request_state(struct tuner_simple_priv, priv,
871 hybrid_tuner_instance_list,
872 i2c_adap, i2c_addr,
873 "tuner-simple");
874 switch (instance) {
875 case 0:
876 mutex_unlock(&tuner_simple_list_mutex);
4adad287 877 return NULL;
62325497
MK		 878 break;
879 case 1:
880 fe->tuner_priv = priv;
1da177e4 881
62325497
MK		 882 priv->type = type;
883 priv->tun = &tuners[type];
884 break;
885 default:
886 fe->tuner_priv = priv;
887 break;
888 }
2756665c 889
62325497 890 mutex_unlock(&tuner_simple_list_mutex);
db8a6956 891
9ba0a3c0
MK		 892 memcpy(&fe->ops.tuner_ops, &simple_tuner_ops,
893 sizeof(struct dvb_tuner_ops));
1da177e4 894
62325497 895 tuner_info("type set to %d (%s)\n", type, priv->tun->name);
586b0cab 896
060a5bd7 897 strlcpy(fe->ops.tuner_ops.info.name, priv->tun->name,
9ba0a3c0 898 sizeof(fe->ops.tuner_ops.info.name));
4adad287
MK		 899
900 return fe;
1da177e4 901}
4adad287
MK		 902EXPORT_SYMBOL_GPL(simple_tuner_attach);
903
904MODULE_DESCRIPTION("Simple 4-control-bytes style tuner driver");
905MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer");
906MODULE_LICENSE("GPL");
907
1da177e4
LT		 908/*
909 * Overrides for Emacs so that we follow Linus's tabbing style.
910 * ---------------------------------------------------------------------------
911 * Local variables:
912 * c-basic-offset: 8
913 * End:
914 */
kernel source for telekom puls (alcatel/mediatek)