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V4L/DVB (7230): saa7134: add support for the MSI TV@nywhere A/D v1.1 card
[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
6b1dde90
MK		 91struct tuner_simple_priv {
92 u16 last_div;
db8a6956 93 struct tuner_i2c_props i2c_props;
4adad287
MK		 94
95 unsigned int type;
96 struct tunertype *tun;
97
98 u32 frequency;
6b1dde90
MK		 99};
100
1da177e4
LT		 101/* ---------------------------------------------------------------------- */
102
735f0b9a 103static int tuner_read_status(struct dvb_frontend *fe)
1da177e4 104{
4adad287 105 struct tuner_simple_priv *priv = fe->tuner_priv;
1da177e4
LT		 106 unsigned char byte;
107
9ba0a3c0 108 if (1 != tuner_i2c_xfer_recv(&priv->i2c_props, &byte, 1))
1da177e4 109 return 0;
56fc08ca 110
1da177e4
LT		 111 return byte;
112}
113
735f0b9a 114static inline int tuner_signal(const int status)
1da177e4 115{
735f0b9a 116 return (status & TUNER_SIGNAL) << 13;
1da177e4
LT		 117}
118
735f0b9a 119static inline int tuner_stereo(const int type, const int status)
1da177e4 120{
735f0b9a 121 switch (type) {
9ba0a3c0
MK		 122 case TUNER_PHILIPS_FM1216ME_MK3:
123 case TUNER_PHILIPS_FM1236_MK3:
124 case TUNER_PHILIPS_FM1256_IH3:
125 case TUNER_LG_NTSC_TAPE:
126 return ((status & TUNER_SIGNAL) == TUNER_STEREO_MK3);
127 default:
128 return status & TUNER_STEREO;
56fc08ca 129 }
735f0b9a 130}
56fc08ca 131
735f0b9a
MK		 132static inline int tuner_islocked(const int status)
133{
134 return (status & TUNER_FL);
135}
136
137static inline int tuner_afcstatus(const int status)
138{
139 return (status & TUNER_AFC) - 2;
1da177e4
LT		 140}
141
1da177e4 142
4adad287
MK		 143static int simple_get_status(struct dvb_frontend *fe, u32 *status)
144{
145 struct tuner_simple_priv *priv = fe->tuner_priv;
735f0b9a 146 int tuner_status = tuner_read_status(fe);
4adad287
MK		 147
148 *status = 0;
149
735f0b9a 150 if (tuner_islocked(tuner_status))
4adad287 151 *status = TUNER_STATUS_LOCKED;
735f0b9a 152 if (tuner_stereo(priv->type, tuner_status))
4adad287
MK		 153 *status |= TUNER_STATUS_STEREO;
154
735f0b9a
MK		 155 tuner_dbg("AFC Status: %d\n", tuner_afcstatus(tuner_status));
156
157 return 0;
158}
159
160static int simple_get_rf_strength(struct dvb_frontend *fe, u16 *strength)
161{
162 struct tuner_simple_priv *priv = fe->tuner_priv;
163 int signal = tuner_signal(tuner_read_status(fe));
164
165 *strength = signal;
166
167 tuner_dbg("Signal strength: %d\n", signal);
4adad287
MK		 168
169 return 0;
170}
171
1da177e4
LT		 172/* ---------------------------------------------------------------------- */
173
be71f7dc
MK		 174static inline char *tuner_param_name(enum param_type type)
175{
176 char *name;
177
178 switch (type) {
179 case TUNER_PARAM_TYPE_RADIO:
180 name = "radio";
181 break;
182 case TUNER_PARAM_TYPE_PAL:
183 name = "pal";
184 break;
185 case TUNER_PARAM_TYPE_SECAM:
186 name = "secam";
187 break;
188 case TUNER_PARAM_TYPE_NTSC:
189 name = "ntsc";
190 break;
191 default:
192 name = "unknown";
193 break;
194 }
195 return name;
196}
197
198static struct tuner_params *simple_tuner_params(struct dvb_frontend *fe,
199 enum param_type desired_type)
200{
201 struct tuner_simple_priv *priv = fe->tuner_priv;
202 struct tunertype *tun = priv->tun;
203 int i;
204
205 for (i = 0; i < tun->count; i++)
206 if (desired_type == tun->params[i].type)
207 break;
208
209 /* use default tuner params if desired_type not available */
210 if (i == tun->count) {
211 tuner_dbg("desired params (%s) undefined for tuner %d\n",
212 tuner_param_name(desired_type), priv->type);
213 i = 0;
214 }
215
216 tuner_dbg("using tuner params #%d (%s)\n", i,
217 tuner_param_name(tun->params[i].type));
218
219 return &tun->params[i];
220}
221
222static int simple_config_lookup(struct dvb_frontend *fe,
223 struct tuner_params *t_params,
224 int *frequency, u8 *config, u8 *cb)
225{
226 struct tuner_simple_priv *priv = fe->tuner_priv;
227 int i;
228
229 for (i = 0; i < t_params->count; i++) {
230 if (*frequency > t_params->ranges[i].limit)
231 continue;
232 break;
233 }
234 if (i == t_params->count) {
235 tuner_dbg("frequency out of range (%d > %d)\n",
236 *frequency, t_params->ranges[i - 1].limit);
237 *frequency = t_params->ranges[--i].limit;
238 }
239 *config = t_params->ranges[i].config;
240 *cb = t_params->ranges[i].cb;
241
7f8447d1
MK		 242 tuner_dbg("freq = %d.%02d (%d), range = %d, "
243 "config = 0x%02x, cb = 0x%02x\n",
244 *frequency / 16, *frequency % 16 * 100 / 16, *frequency,
245 i, *config, *cb);
be71f7dc
MK		 246
247 return i;
248}
249
250/* ---------------------------------------------------------------------- */
251
c7a9f3aa
MK		 252static int simple_std_setup(struct dvb_frontend *fe,
253 struct analog_parameters *params,
254 u8 *buffer, u8 *config, u8 *cb)
1da177e4 255{
4adad287 256 struct tuner_simple_priv *priv = fe->tuner_priv;
c7a9f3aa
MK		 257 u8 tuneraddr;
258 int rc;
5f594187 259
1da177e4 260 /* tv norm specific stuff for multi-norm tuners */
4adad287 261 switch (priv->type) {
9ba0a3c0 262 case TUNER_PHILIPS_SECAM: /* FI1216MF */
1da177e4
LT		 263 /* 0x01 -> ??? no change ??? */
264 /* 0x02 -> PAL BDGHI / SECAM L */
265 /* 0x04 -> ??? PAL others / SECAM others ??? */
c7a9f3aa 266 *cb &= ~0x03;
9ba0a3c0
MK		 267 if (params->std & V4L2_STD_SECAM_L)
268 /* also valid for V4L2_STD_SECAM */
c7a9f3aa 269 *cb |= PHILIPS_MF_SET_STD_L;
4adad287 270 else if (params->std & V4L2_STD_SECAM_LC)
c7a9f3aa 271 *cb |= PHILIPS_MF_SET_STD_LC;
82c01d3d 272 else /* V4L2_STD_B|V4L2_STD_GH */
c7a9f3aa 273 *cb |= PHILIPS_MF_SET_STD_BG;
1da177e4
LT		 274 break;
275
276 case TUNER_TEMIC_4046FM5:
c7a9f3aa 277 *cb &= ~0x0f;
1da177e4 278
4adad287 279 if (params->std & V4L2_STD_PAL_BG) {
c7a9f3aa 280 *cb |= TEMIC_SET_PAL_BG;
1da177e4 281
4adad287 282 } else if (params->std & V4L2_STD_PAL_I) {
c7a9f3aa 283 *cb |= TEMIC_SET_PAL_I;
1da177e4 284
4adad287 285 } else if (params->std & V4L2_STD_PAL_DK) {
c7a9f3aa 286 *cb |= TEMIC_SET_PAL_DK;
1da177e4 287
4adad287 288 } else if (params->std & V4L2_STD_SECAM_L) {
c7a9f3aa 289 *cb |= TEMIC_SET_PAL_L;
1da177e4
LT		 290
291 }
292 break;
293
294 case TUNER_PHILIPS_FQ1216ME:
c7a9f3aa 295 *cb &= ~0x0f;
1da177e4 296
4adad287 297 if (params->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) {
c7a9f3aa 298 *cb |= PHILIPS_SET_PAL_BGDK;
1da177e4 299
4adad287 300 } else if (params->std & V4L2_STD_PAL_I) {
c7a9f3aa 301 *cb |= PHILIPS_SET_PAL_I;
1da177e4 302
4adad287 303 } else if (params->std & V4L2_STD_SECAM_L) {
c7a9f3aa 304 *cb |= PHILIPS_SET_PAL_L;
1da177e4
LT		 305
306 }
307 break;
308
309 case TUNER_PHILIPS_ATSC:
310 /* 0x00 -> ATSC antenna input 1 */
311 /* 0x01 -> ATSC antenna input 2 */
312 /* 0x02 -> NTSC antenna input 1 */
313 /* 0x03 -> NTSC antenna input 2 */
c7a9f3aa 314 *cb &= ~0x03;
4adad287 315 if (!(params->std & V4L2_STD_ATSC))
c7a9f3aa 316 *cb |= 2;
1da177e4
LT		 317 /* FIXME: input */
318 break;
319
320 case TUNER_MICROTUNE_4042FI5:
321 /* Set the charge pump for fast tuning */
c7a9f3aa 322 *config |= TUNER_CHARGE_PUMP;
1da177e4 323 break;
e976f937
KL		 324
325 case TUNER_PHILIPS_TUV1236D:
326 /* 0x40 -> ATSC antenna input 1 */
327 /* 0x48 -> ATSC antenna input 2 */
328 /* 0x00 -> NTSC antenna input 1 */
329 /* 0x08 -> NTSC antenna input 2 */
fde6d31e
KL		 330 buffer[0] = 0x14;
331 buffer[1] = 0x00;
332 buffer[2] = 0x17;
333 buffer[3] = 0x00;
c7a9f3aa 334 *cb &= ~0x40;
4adad287 335 if (params->std & V4L2_STD_ATSC) {
c7a9f3aa 336 *cb |= 0x40;
fde6d31e
KL		 337 buffer[1] = 0x04;
338 }
339 /* set to the correct mode (analog or digital) */
db8a6956
MK		 340 tuneraddr = priv->i2c_props.addr;
341 priv->i2c_props.addr = 0x0a;
9ba0a3c0
MK		 342 rc = tuner_i2c_xfer_send(&priv->i2c_props, &buffer[0], 2);
343 if (2 != rc)
344 tuner_warn("i2c i/o error: rc == %d "
345 "(should be 2)\n", rc);
346 rc = tuner_i2c_xfer_send(&priv->i2c_props, &buffer[2], 2);
347 if (2 != rc)
348 tuner_warn("i2c i/o error: rc == %d "
349 "(should be 2)\n", rc);
db8a6956 350 priv->i2c_props.addr = tuneraddr;
e976f937
KL		 351 /* FIXME: input */
352 break;
1da177e4
LT		 353 }
354
c7a9f3aa
MK		 355 return 0;
356}
357
358static int simple_post_tune(struct dvb_frontend *fe, u8 *buffer,
359 u16 div, u8 config, u8 cb)
360{
361 struct tuner_simple_priv *priv = fe->tuner_priv;
362 int rc;
363
364 switch (priv->type) {
365 case TUNER_LG_TDVS_H06XF:
366 /* Set the Auxiliary Byte. */
367 buffer[0] = buffer[2];
368 buffer[0] &= ~0x20;
369 buffer[0] |= 0x18;
370 buffer[1] = 0x20;
371 tuner_dbg("tv 0x%02x 0x%02x\n", buffer[0], buffer[1]);
372
373 rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 2);
374 if (2 != rc)
375 tuner_warn("i2c i/o error: rc == %d "
376 "(should be 2)\n", rc);
377 break;
378 case TUNER_MICROTUNE_4042FI5:
379 {
380 /* FIXME - this may also work for other tuners */
381 unsigned long timeout = jiffies + msecs_to_jiffies(1);
382 u8 status_byte = 0;
383
384 /* Wait until the PLL locks */
385 for (;;) {
386 if (time_after(jiffies, timeout))
387 return 0;
388 rc = tuner_i2c_xfer_recv(&priv->i2c_props,
389 &status_byte, 1);
390 if (1 != rc) {
391 tuner_warn("i2c i/o read error: rc == %d "
392 "(should be 1)\n", rc);
393 break;
394 }
395 if (status_byte & TUNER_PLL_LOCKED)
396 break;
397 udelay(10);
398 }
399
400 /* Set the charge pump for optimized phase noise figure */
401 config &= ~TUNER_CHARGE_PUMP;
402 buffer[0] = (div>>8) & 0x7f;
403 buffer[1] = div & 0xff;
404 buffer[2] = config;
405 buffer[3] = cb;
406 tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
407 buffer[0], buffer[1], buffer[2], buffer[3]);
408
409 rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
410 if (4 != rc)
411 tuner_warn("i2c i/o error: rc == %d "
412 "(should be 4)\n", rc);
413 break;
414 }
415 }
416
417 return 0;
418}
419
420static int simple_radio_bandswitch(struct dvb_frontend *fe, u8 *buffer)
421{
422 struct tuner_simple_priv *priv = fe->tuner_priv;
423
424 switch (priv->type) {
425 case TUNER_TENA_9533_DI:
426 case TUNER_YMEC_TVF_5533MF:
427 tuner_dbg("This tuner doesn't have FM. "
428 "Most cards have a TEA5767 for FM\n");
429 return 0;
430 case TUNER_PHILIPS_FM1216ME_MK3:
431 case TUNER_PHILIPS_FM1236_MK3:
432 case TUNER_PHILIPS_FMD1216ME_MK3:
433 case TUNER_LG_NTSC_TAPE:
434 case TUNER_PHILIPS_FM1256_IH3:
435 buffer[3] = 0x19;
436 break;
437 case TUNER_TNF_5335MF:
438 buffer[3] = 0x11;
439 break;
440 case TUNER_LG_PAL_FM:
441 buffer[3] = 0xa5;
442 break;
443 case TUNER_THOMSON_DTT761X:
444 buffer[3] = 0x39;
445 break;
446 case TUNER_MICROTUNE_4049FM5:
447 default:
448 buffer[3] = 0xa4;
449 break;
450 }
451
452 return 0;
453}
454
455/* ---------------------------------------------------------------------- */
456
457static int simple_set_tv_freq(struct dvb_frontend *fe,
458 struct analog_parameters *params)
459{
460 struct tuner_simple_priv *priv = fe->tuner_priv;
461 u8 config, cb;
462 u16 div;
463 struct tunertype *tun;
464 u8 buffer[4];
465 int rc, IFPCoff, i;
466 enum param_type desired_type;
467 struct tuner_params *t_params;
468
469 tun = priv->tun;
470
471 /* IFPCoff = Video Intermediate Frequency - Vif:
472 940 =16*58.75 NTSC/J (Japan)
473 732 =16*45.75 M/N STD
474 704 =16*44 ATSC (at DVB code)
475 632 =16*39.50 I U.K.
476 622.4=16*38.90 B/G D/K I, L STD
477 592 =16*37.00 D China
478 590 =16.36.875 B Australia
479 543.2=16*33.95 L' STD
480 171.2=16*10.70 FM Radio (at set_radio_freq)
481 */
482
483 if (params->std == V4L2_STD_NTSC_M_JP) {
484 IFPCoff = 940;
485 desired_type = TUNER_PARAM_TYPE_NTSC;
486 } else if ((params->std & V4L2_STD_MN) &&
487 !(params->std & ~V4L2_STD_MN)) {
488 IFPCoff = 732;
489 desired_type = TUNER_PARAM_TYPE_NTSC;
490 } else if (params->std == V4L2_STD_SECAM_LC) {
491 IFPCoff = 543;
492 desired_type = TUNER_PARAM_TYPE_SECAM;
493 } else {
494 IFPCoff = 623;
495 desired_type = TUNER_PARAM_TYPE_PAL;
496 }
497
498 t_params = simple_tuner_params(fe, desired_type);
499
500 i = simple_config_lookup(fe, t_params, &params->frequency,
501 &config, &cb);
502
503 div = params->frequency + IFPCoff + offset;
504
505 tuner_dbg("Freq= %d.%02d MHz, V_IF=%d.%02d MHz, "
506 "Offset=%d.%02d MHz, div=%0d\n",
507 params->frequency / 16, params->frequency % 16 * 100 / 16,
508 IFPCoff / 16, IFPCoff % 16 * 100 / 16,
509 offset / 16, offset % 16 * 100 / 16, div);
510
511 /* tv norm specific stuff for multi-norm tuners */
512 simple_std_setup(fe, params, &buffer[1], &config, &cb);
513
4adad287 514 if (t_params->cb_first_if_lower_freq && div < priv->last_div) {
3fc46d35 515 buffer[0] = config;
ab66b22f 516 buffer[1] = cb;
1da177e4
LT		 517 buffer[2] = (div>>8) & 0x7f;
518 buffer[3] = div & 0xff;
519 } else {
520 buffer[0] = (div>>8) & 0x7f;
521 buffer[1] = div & 0xff;
3fc46d35 522 buffer[2] = config;
ab66b22f 523 buffer[3] = cb;
1da177e4 524 }
6b1dde90 525 priv->last_div = div;
4adad287 526 if (t_params->has_tda9887) {
7f171123 527 struct v4l2_priv_tun_config tda9887_cfg;
ba8fc399 528 int config = 0;
9ba0a3c0
MK		 529 int is_secam_l = (params->std & (V4L2_STD_SECAM_L |
530 V4L2_STD_SECAM_LC)) &&
531 !(params->std & ~(V4L2_STD_SECAM_L |
532 V4L2_STD_SECAM_LC));
ba8fc399 533
7f171123
MCC		 534 tda9887_cfg.tuner = TUNER_TDA9887;
535 tda9887_cfg.priv = &config;
536
4adad287
MK		 537 if (params->std == V4L2_STD_SECAM_LC) {
538 if (t_params->port1_active ^ t_params->port1_invert_for_secam_lc)
ba8fc399 539 config |= TDA9887_PORT1_ACTIVE;
4adad287 540 if (t_params->port2_active ^ t_params->port2_invert_for_secam_lc)
ba8fc399 541 config |= TDA9887_PORT2_ACTIVE;
9ba0a3c0 542 } else {
4adad287 543 if (t_params->port1_active)
ba8fc399 544 config |= TDA9887_PORT1_ACTIVE;
4adad287 545 if (t_params->port2_active)
ba8fc399
HV		 546 config |= TDA9887_PORT2_ACTIVE;
547 }
4adad287 548 if (t_params->intercarrier_mode)
ba8fc399
HV		 549 config |= TDA9887_INTERCARRIER;
550 if (is_secam_l) {
4adad287
MK		 551 if (i == 0 && t_params->default_top_secam_low)
552 config |= TDA9887_TOP(t_params->default_top_secam_low);
553 else if (i == 1 && t_params->default_top_secam_mid)
554 config |= TDA9887_TOP(t_params->default_top_secam_mid);
555 else if (t_params->default_top_secam_high)
556 config |= TDA9887_TOP(t_params->default_top_secam_high);
9ba0a3c0 557 } else {
4adad287
MK		 558 if (i == 0 && t_params->default_top_low)
559 config |= TDA9887_TOP(t_params->default_top_low);
560 else if (i == 1 && t_params->default_top_mid)
561 config |= TDA9887_TOP(t_params->default_top_mid);
562 else if (t_params->default_top_high)
563 config |= TDA9887_TOP(t_params->default_top_high);
ba8fc399 564 }
4adad287 565 if (t_params->default_pll_gating_18)
d7304dee 566 config |= TDA9887_GATING_18;
7f171123
MCC		 567 i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG,
568 &tda9887_cfg);
ba8fc399 569 }
1da177e4 570 tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
9ba0a3c0 571 buffer[0], buffer[1], buffer[2], buffer[3]);
1da177e4 572
9ba0a3c0
MK		 573 rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
574 if (4 != rc)
575 tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc);
1da177e4 576
c7a9f3aa 577 simple_post_tune(fe, &buffer[0], div, config, cb);
1da177e4 578
4adad287 579 return 0;
1da177e4
LT		 580}
581
4adad287
MK		 582static int simple_set_radio_freq(struct dvb_frontend *fe,
583 struct analog_parameters *params)
1da177e4
LT		 584{
585 struct tunertype *tun;
4adad287 586 struct tuner_simple_priv *priv = fe->tuner_priv;
27487d44
HV		 587 u8 buffer[4];
588 u16 div;
7b0ac9cd 589 int rc, j;
4adad287
MK		 590 struct tuner_params *t_params;
591 unsigned int freq = params->frequency;
1da177e4 592
4adad287 593 tun = priv->tun;
476d63d0 594
5e082f15
TP		 595 for (j = tun->count-1; j > 0; j--)
596 if (tun->params[j].type == TUNER_PARAM_TYPE_RADIO)
597 break;
4adad287
MK		 598 /* default t_params (j=0) will be used if desired type wasn't found */
599 t_params = &tun->params[j];
5e082f15
TP		 600
601 /* Select Radio 1st IF used */
4adad287 602 switch (t_params->radio_if) {
5e082f15
TP		 603 case 0: /* 10.7 MHz */
604 freq += (unsigned int)(10.7*16000);
476d63d0 605 break;
5e082f15
TP		 606 case 1: /* 33.3 MHz */
607 freq += (unsigned int)(33.3*16000);
608 break;
609 case 2: /* 41.3 MHz */
610 freq += (unsigned int)(41.3*16000);
611 break;
612 default:
9ba0a3c0
MK		 613 tuner_warn("Unsupported radio_if value %d\n",
614 t_params->radio_if);
4adad287 615 return 0;
476d63d0 616 }
1da177e4 617
5e082f15 618 /* Bandswitch byte */
c7a9f3aa 619 simple_radio_bandswitch(fe, &buffer[0]);
5e082f15 620
4adad287 621 buffer[2] = (t_params->ranges[0].config & ~TUNER_RATIO_MASK) |
5e082f15
TP		 622 TUNER_RATIO_SELECT_50; /* 50 kHz step */
623
624 /* Convert from 1/16 kHz V4L steps to 1/20 MHz (=50 kHz) PLL steps
625 freq * (1 Mhz / 16000 V4L steps) * (20 PLL steps / 1 MHz) =
626 freq * (1/800) */
627 div = (freq + 400) / 800;
628
4adad287 629 if (t_params->cb_first_if_lower_freq && div < priv->last_div) {
27487d44
HV		 630 buffer[0] = buffer[2];
631 buffer[1] = buffer[3];
632 buffer[2] = (div>>8) & 0x7f;
633 buffer[3] = div & 0xff;
634 } else {
635 buffer[0] = (div>>8) & 0x7f;
636 buffer[1] = div & 0xff;
637 }
1da177e4
LT		 638
639 tuner_dbg("radio 0x%02x 0x%02x 0x%02x 0x%02x\n",
9ba0a3c0 640 buffer[0], buffer[1], buffer[2], buffer[3]);
6b1dde90 641 priv->last_div = div;
1da177e4 642
4adad287 643 if (t_params->has_tda9887) {
ba8fc399 644 int config = 0;
7f171123
MCC		 645 struct v4l2_priv_tun_config tda9887_cfg;
646
647 tda9887_cfg.tuner = TUNER_TDA9887;
648 tda9887_cfg.priv = &config;
649
9ba0a3c0
MK		 650 if (t_params->port1_active &&
651 !t_params->port1_fm_high_sensitivity)
ba8fc399 652 config |= TDA9887_PORT1_ACTIVE;
9ba0a3c0
MK		 653 if (t_params->port2_active &&
654 !t_params->port2_fm_high_sensitivity)
ba8fc399 655 config |= TDA9887_PORT2_ACTIVE;
4adad287 656 if (t_params->intercarrier_mode)
ba8fc399 657 config |= TDA9887_INTERCARRIER;
4adad287 658/* if (t_params->port1_set_for_fm_mono)
ba8fc399 659 config &= ~TDA9887_PORT1_ACTIVE;*/
4adad287 660 if (t_params->fm_gain_normal)
483deb0f 661 config |= TDA9887_GAIN_NORMAL;
4adad287 662 if (t_params->radio_if == 2)
5e082f15 663 config |= TDA9887_RIF_41_3;
7f171123 664 i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG,
9ba0a3c0 665 &tda9887_cfg);
ba8fc399 666 }
9ba0a3c0
MK		 667 rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
668 if (4 != rc)
669 tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc);
4adad287
MK		 670
671 return 0;
1da177e4
LT		 672}
673
4adad287
MK		 674static int simple_set_params(struct dvb_frontend *fe,
675 struct analog_parameters *params)
6b1dde90 676{
4adad287
MK		 677 struct tuner_simple_priv *priv = fe->tuner_priv;
678 int ret = -EINVAL;
679
680 switch (params->mode) {
681 case V4L2_TUNER_RADIO:
682 ret = simple_set_radio_freq(fe, params);
683 priv->frequency = params->frequency * 125 / 2;
684 break;
685 case V4L2_TUNER_ANALOG_TV:
686 case V4L2_TUNER_DIGITAL_TV:
687 ret = simple_set_tv_freq(fe, params);
688 priv->frequency = params->frequency * 62500;
689 break;
690 }
691
692 return ret;
693}
694
695
696static int simple_release(struct dvb_frontend *fe)
697{
698 kfree(fe->tuner_priv);
699 fe->tuner_priv = NULL;
700
701 return 0;
702}
703
704static int simple_get_frequency(struct dvb_frontend *fe, u32 *frequency)
705{
706 struct tuner_simple_priv *priv = fe->tuner_priv;
707 *frequency = priv->frequency;
708 return 0;
6b1dde90
MK		 709}
710
4adad287
MK		 711static struct dvb_tuner_ops simple_tuner_ops = {
712 .set_analog_params = simple_set_params,
735f0b9a
MK		 713 .release = simple_release,
714 .get_frequency = simple_get_frequency,
715 .get_status = simple_get_status,
716 .get_rf_strength = simple_get_rf_strength,
5d807c9f
MK		 717};
718
4adad287
MK		 719struct dvb_frontend *simple_tuner_attach(struct dvb_frontend *fe,
720 struct i2c_adapter *i2c_adap,
721 u8 i2c_addr,
060a5bd7 722 unsigned int type)
1da177e4 723{
6b1dde90
MK		 724 struct tuner_simple_priv *priv = NULL;
725
65e8d29f
MK		 726 if (type >= tuner_count) {
727 printk(KERN_WARNING "%s: invalid tuner type: %d (max: %d)\n",
728 __FUNCTION__, type, tuner_count-1);
729 return NULL;
730 }
731
6b1dde90
MK		 732 priv = kzalloc(sizeof(struct tuner_simple_priv), GFP_KERNEL);
733 if (priv == NULL)
4adad287
MK		 734 return NULL;
735 fe->tuner_priv = priv;
1da177e4 736
4adad287
MK		 737 priv->i2c_props.addr = i2c_addr;
738 priv->i2c_props.adap = i2c_adap;
2756665c
MK		 739 priv->i2c_props.name = "tuner-simple";
740
060a5bd7
MK		 741 priv->type = type;
742 priv->tun = &tuners[type];
db8a6956 743
9ba0a3c0
MK		 744 memcpy(&fe->ops.tuner_ops, &simple_tuner_ops,
745 sizeof(struct dvb_tuner_ops));
1da177e4 746
060a5bd7 747 tuner_info("type set to %d (%s)\n", priv->type, priv->tun->name);
586b0cab 748
060a5bd7 749 strlcpy(fe->ops.tuner_ops.info.name, priv->tun->name,
9ba0a3c0 750 sizeof(fe->ops.tuner_ops.info.name));
4adad287
MK		 751
752 return fe;
1da177e4 753}
4adad287
MK		 754EXPORT_SYMBOL_GPL(simple_tuner_attach);
755
756MODULE_DESCRIPTION("Simple 4-control-bytes style tuner driver");
757MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer");
758MODULE_LICENSE("GPL");
759
1da177e4
LT		 760/*
761 * Overrides for Emacs so that we follow Linus's tabbing style.
762 * ---------------------------------------------------------------------------
763 * Local variables:
764 * c-basic-offset: 8
765 * End:
766 */
kernel source for telekom puls (alcatel/mediatek)