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6
7#include <linux/delay.h>
8#include <linux/i2c.h>
9#include <linux/videodev2.h>
10#include <media/tuner.h>
11#include <media/v4l2-common.h>
12#include <media/tuner-types.h>
13#include "tuner-i2c.h"
14#include "tuner-simple.h"
15
16static int debug;
17module_param(debug, int, 0644);
18MODULE_PARM_DESC(debug, "enable verbose debug messages");
19
20#define TUNER_SIMPLE_MAX 64
21static unsigned int simple_devcount;
22
23static int offset;
24module_param(offset, int, 0664);
25MODULE_PARM_DESC(offset, "Allows to specify an offset for tuner");
26
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
36
37
38
39
40
41
42
43
44
45
46
47#define TEMIC_SET_PAL_I 0x05
48#define TEMIC_SET_PAL_DK 0x09
49#define TEMIC_SET_PAL_L 0x0a
50#define TEMIC_SET_PAL_L2 0x0b
51#define TEMIC_SET_PAL_BG 0x0c
52
53
54
55
56
57
58
59
60
61
62
63#define PHILIPS_SET_PAL_I 0x01
64#define PHILIPS_SET_PAL_BGDK 0x09
65#define PHILIPS_SET_PAL_L2 0x0a
66#define PHILIPS_SET_PAL_L 0x0b
67
68
69
70
71
72
73
74
75
76
77#define PHILIPS_MF_SET_STD_BG 0x01
78#define PHILIPS_MF_SET_STD_L 0x03
79#define PHILIPS_MF_SET_STD_LC 0x02
80
81
82
83#define TUNER_RATIO_MASK 0x06
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
90
91
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
102
103static DEFINE_MUTEX(tuner_simple_list_mutex);
104static LIST_HEAD(hybrid_tuner_instance_list);
105
106struct tuner_simple_priv {
107 unsigned int nr;
108 u16 last_div;
109
110 struct tuner_i2c_props i2c_props;
111 struct list_head hybrid_tuner_instance_list;
112
113 unsigned int type;
114 struct tunertype *tun;
115
116 u32 frequency;
117 u32 bandwidth;
118};
119
120
121
122static int tuner_read_status(struct dvb_frontend *fe)
123{
124 struct tuner_simple_priv *priv = fe->tuner_priv;
125 unsigned char byte;
126
127 if (1 != tuner_i2c_xfer_recv(&priv->i2c_props, &byte, 1))
128 return 0;
129
130 return byte;
131}
132
133static inline int tuner_signal(const int status)
134{
135 return (status & TUNER_SIGNAL) << 13;
136}
137
138static inline int tuner_stereo(const int type, const int status)
139{
140 switch (type) {
141 case TUNER_PHILIPS_FM1216ME_MK3:
142 case TUNER_PHILIPS_FM1236_MK3:
143 case TUNER_PHILIPS_FM1256_IH3:
144 case TUNER_LG_NTSC_TAPE:
145 case TUNER_TCL_MF02GIP_5N:
146 return ((status & TUNER_SIGNAL) == TUNER_STEREO_MK3);
147 default:
148 return status & TUNER_STEREO;
149 }
150}
151
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;
160}
161
162
163static int simple_get_status(struct dvb_frontend *fe, u32 *status)
164{
165 struct tuner_simple_priv *priv = fe->tuner_priv;
166 int tuner_status;
167
168 if (priv->i2c_props.adap == NULL)
169 return -EINVAL;
170
171 tuner_status = tuner_read_status(fe);
172
173 *status = 0;
174
175 if (tuner_islocked(tuner_status))
176 *status = TUNER_STATUS_LOCKED;
177 if (tuner_stereo(priv->type, tuner_status))
178 *status |= TUNER_STATUS_STEREO;
179
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;
188 int signal;
189
190 if (priv->i2c_props.adap == NULL)
191 return -EINVAL;
192
193 signal = tuner_signal(tuner_read_status(fe));
194
195 *strength = signal;
196
197 tuner_dbg("Signal strength: %d\n", signal);
198
199 return 0;
200}
201
202
203
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;
221 case TUNER_PARAM_TYPE_DIGITAL:
222 name = "digital";
223 break;
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
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,
257 unsigned *frequency, u8 *config, u8 *cb)
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
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);
279
280 return i;
281}
282
283
284
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;
301 case TUNER_PHILIPS_FCV1236D:
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
316static int simple_std_setup(struct dvb_frontend *fe,
317 struct analog_parameters *params,
318 u8 *config, u8 *cb)
319{
320 struct tuner_simple_priv *priv = fe->tuner_priv;
321 u8 tuneraddr;
322 int rc;
323
324
325 switch (priv->type) {
326 case TUNER_PHILIPS_SECAM:
327
328
329
330 *cb &= ~0x03;
331 if (params->std & V4L2_STD_SECAM_L)
332
333 *cb |= PHILIPS_MF_SET_STD_L;
334 else if (params->std & V4L2_STD_SECAM_LC)
335 *cb |= PHILIPS_MF_SET_STD_LC;
336 else
337 *cb |= PHILIPS_MF_SET_STD_BG;
338 break;
339
340 case TUNER_TEMIC_4046FM5:
341 *cb &= ~0x0f;
342
343 if (params->std & V4L2_STD_PAL_BG) {
344 *cb |= TEMIC_SET_PAL_BG;
345
346 } else if (params->std & V4L2_STD_PAL_I) {
347 *cb |= TEMIC_SET_PAL_I;
348
349 } else if (params->std & V4L2_STD_PAL_DK) {
350 *cb |= TEMIC_SET_PAL_DK;
351
352 } else if (params->std & V4L2_STD_SECAM_L) {
353 *cb |= TEMIC_SET_PAL_L;
354
355 }
356 break;
357
358 case TUNER_PHILIPS_FQ1216ME:
359 *cb &= ~0x0f;
360
361 if (params->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) {
362 *cb |= PHILIPS_SET_PAL_BGDK;
363
364 } else if (params->std & V4L2_STD_PAL_I) {
365 *cb |= PHILIPS_SET_PAL_I;
366
367 } else if (params->std & V4L2_STD_SECAM_L) {
368 *cb |= PHILIPS_SET_PAL_L;
369
370 }
371 break;
372
373 case TUNER_PHILIPS_FCV1236D:
374
375
376
377
378 *cb &= ~0x03;
379 if (!(params->std & V4L2_STD_ATSC))
380 *cb |= 2;
381 break;
382
383 case TUNER_MICROTUNE_4042FI5:
384
385 *config |= TUNER_CHARGE_PUMP;
386 break;
387
388 case TUNER_PHILIPS_TUV1236D:
389 {
390
391
392
393
394 u8 buffer[4] = { 0x14, 0x00, 0x17, 0x00};
395 *cb &= ~0x40;
396 if (params->std & V4L2_STD_ATSC) {
397 *cb |= 0x40;
398 buffer[1] = 0x04;
399 }
400
401 tuneraddr = priv->i2c_props.addr;
402 priv->i2c_props.addr = 0x0a;
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);
411 priv->i2c_props.addr = tuneraddr;
412 break;
413 }
414 }
415 if (atv_input[priv->nr])
416 simple_set_rf_input(fe, config, cb, atv_input[priv->nr]);
417
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
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
444 unsigned long timeout = jiffies + msecs_to_jiffies(1);
445 u8 status_byte = 0;
446
447
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
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:
496 case TUNER_PHILIPS_FMD1216MEX_MK3:
497 case TUNER_LG_NTSC_TAPE:
498 case TUNER_PHILIPS_FM1256_IH3:
499 case TUNER_TCL_MF02GIP_5N:
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
537
538
539
540
541
542
543
544
545
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, ¶ms->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
577 simple_std_setup(fe, params, &config, &cb);
578
579 if (t_params->cb_first_if_lower_freq && div < priv->last_div) {
580 buffer[0] = config;
581 buffer[1] = cb;
582 buffer[2] = (div>>8) & 0x7f;
583 buffer[3] = div & 0xff;
584 } else {
585 buffer[0] = (div>>8) & 0x7f;
586 buffer[1] = div & 0xff;
587 buffer[2] = config;
588 buffer[3] = cb;
589 }
590 priv->last_div = div;
591 if (t_params->has_tda9887) {
592 struct v4l2_priv_tun_config tda9887_cfg;
593 int tda_config = 0;
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));
598
599 tda9887_cfg.tuner = TUNER_TDA9887;
600 tda9887_cfg.priv = &tda_config;
601
602 if (params->std == V4L2_STD_SECAM_LC) {
603 if (t_params->port1_active ^ t_params->port1_invert_for_secam_lc)
604 tda_config |= TDA9887_PORT1_ACTIVE;
605 if (t_params->port2_active ^ t_params->port2_invert_for_secam_lc)
606 tda_config |= TDA9887_PORT2_ACTIVE;
607 } else {
608 if (t_params->port1_active)
609 tda_config |= TDA9887_PORT1_ACTIVE;
610 if (t_params->port2_active)
611 tda_config |= TDA9887_PORT2_ACTIVE;
612 }
613 if (t_params->intercarrier_mode)
614 tda_config |= TDA9887_INTERCARRIER;
615 if (is_secam_l) {
616 if (i == 0 && t_params->default_top_secam_low)
617 tda_config |= TDA9887_TOP(t_params->default_top_secam_low);
618 else if (i == 1 && t_params->default_top_secam_mid)
619 tda_config |= TDA9887_TOP(t_params->default_top_secam_mid);
620 else if (t_params->default_top_secam_high)
621 tda_config |= TDA9887_TOP(t_params->default_top_secam_high);
622 } else {
623 if (i == 0 && t_params->default_top_low)
624 tda_config |= TDA9887_TOP(t_params->default_top_low);
625 else if (i == 1 && t_params->default_top_mid)
626 tda_config |= TDA9887_TOP(t_params->default_top_mid);
627 else if (t_params->default_top_high)
628 tda_config |= TDA9887_TOP(t_params->default_top_high);
629 }
630 if (t_params->default_pll_gating_18)
631 tda_config |= TDA9887_GATING_18;
632 i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG,
633 &tda9887_cfg);
634 }
635 tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
636 buffer[0], buffer[1], buffer[2], buffer[3]);
637
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);
641
642 simple_post_tune(fe, &buffer[0], div, config, cb);
643
644 return 0;
645}
646
647static int simple_set_radio_freq(struct dvb_frontend *fe,
648 struct analog_parameters *params)
649{
650 struct tunertype *tun;
651 struct tuner_simple_priv *priv = fe->tuner_priv;
652 u8 buffer[4];
653 u16 div;
654 int rc, j;
655 struct tuner_params *t_params;
656 unsigned int freq = params->frequency;
657
658 tun = priv->tun;
659
660 for (j = tun->count-1; j > 0; j--)
661 if (tun->params[j].type == TUNER_PARAM_TYPE_RADIO)
662 break;
663
664 t_params = &tun->params[j];
665
666
667 switch (t_params->radio_if) {
668 case 0:
669 freq += (unsigned int)(10.7*16000);
670 break;
671 case 1:
672 freq += (unsigned int)(33.3*16000);
673 break;
674 case 2:
675 freq += (unsigned int)(41.3*16000);
676 break;
677 default:
678 tuner_warn("Unsupported radio_if value %d\n",
679 t_params->radio_if);
680 return 0;
681 }
682
683
684 simple_radio_bandswitch(fe, &buffer[0]);
685
686 buffer[2] = (t_params->ranges[0].config & ~TUNER_RATIO_MASK) |
687 TUNER_RATIO_SELECT_50;
688
689
690
691
692 div = (freq + 400) / 800;
693
694 if (t_params->cb_first_if_lower_freq && div < priv->last_div) {
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 }
703
704 tuner_dbg("radio 0x%02x 0x%02x 0x%02x 0x%02x\n",
705 buffer[0], buffer[1], buffer[2], buffer[3]);
706 priv->last_div = div;
707
708 if (t_params->has_tda9887) {
709 int config = 0;
710 struct v4l2_priv_tun_config tda9887_cfg;
711
712 tda9887_cfg.tuner = TUNER_TDA9887;
713 tda9887_cfg.priv = &config;
714
715 if (t_params->port1_active &&
716 !t_params->port1_fm_high_sensitivity)
717 config |= TDA9887_PORT1_ACTIVE;
718 if (t_params->port2_active &&
719 !t_params->port2_fm_high_sensitivity)
720 config |= TDA9887_PORT2_ACTIVE;
721 if (t_params->intercarrier_mode)
722 config |= TDA9887_INTERCARRIER;
723
724
725 if (t_params->fm_gain_normal)
726 config |= TDA9887_GAIN_NORMAL;
727 if (t_params->radio_if == 2)
728 config |= TDA9887_RIF_41_3;
729 i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG,
730 &tda9887_cfg);
731 }
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);
735
736 return 0;
737}
738
739static int simple_set_params(struct dvb_frontend *fe,
740 struct analog_parameters *params)
741{
742 struct tuner_simple_priv *priv = fe->tuner_priv;
743 int ret = -EINVAL;
744
745 if (priv->i2c_props.adap == NULL)
746 return -EINVAL;
747
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 }
759 priv->bandwidth = 0;
760
761 return ret;
762}
763
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:
771 case TUNER_PHILIPS_FMD1216MEX_MK3:
772 if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ &&
773 params->frequency >= 158870000)
774 buf[3] |= 0x08;
775 break;
776 case TUNER_PHILIPS_TD1316:
777
778 buf[3] |= (params->frequency < 161000000) ? 1 :
779 (params->frequency < 444000000) ? 2 : 4;
780
781
782 if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
783 buf[3] |= 1 << 3;
784 break;
785 case TUNER_PHILIPS_TUV1236D:
786 case TUNER_PHILIPS_FCV1236D:
787 {
788 unsigned int new_rf;
789
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 }
803 simple_set_rf_input(fe, &buf[2], &buf[3], new_rf);
804 break;
805 }
806 default:
807 break;
808 }
809}
810
811static u32 simple_dvb_configure(struct dvb_frontend *fe, u8 *buf,
812 const struct dvb_frontend_parameters *params)
813{
814
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;
820 int ret;
821 unsigned frequency = params->frequency / 62500;
822
823 t_params = simple_tuner_params(fe, TUNER_PARAM_TYPE_DIGITAL);
824 ret = simple_config_lookup(fe, t_params, &frequency, &config, &cb);
825 if (ret < 0)
826 return 0;
827
828 div = ((frequency + t_params->iffreq) * 62500 + offset +
829 tun->stepsize/2) / tun->stepsize;
830
831 buf[0] = div >> 8;
832 buf[1] = div & 0xff;
833 buf[2] = config;
834 buf[3] = cb;
835
836 simple_set_dvb(fe, buf, params);
837
838 tuner_dbg("%s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n",
839 tun->name, div, buf[0], buf[1], buf[2], buf[3]);
840
841
842 return (div * tun->stepsize) - t_params->iffreq;
843}
844
845static int simple_dvb_calc_regs(struct dvb_frontend *fe,
846 struct dvb_frontend_parameters *params,
847 u8 *buf, int buf_len)
848{
849 struct tuner_simple_priv *priv = fe->tuner_priv;
850 u32 frequency;
851
852 if (buf_len < 5)
853 return -EINVAL;
854
855 frequency = simple_dvb_configure(fe, buf+1, params);
856 if (frequency == 0)
857 return -EINVAL;
858
859 buf[0] = priv->i2c_props.addr;
860
861 priv->frequency = frequency;
862 priv->bandwidth = (fe->ops.info.type == FE_OFDM) ?
863 params->u.ofdm.bandwidth : 0;
864
865 return 5;
866}
867
868static int simple_dvb_set_params(struct dvb_frontend *fe,
869 struct dvb_frontend_parameters *params)
870{
871 struct tuner_simple_priv *priv = fe->tuner_priv;
872 u32 prev_freq, prev_bw;
873 int ret;
874 u8 buf[5];
875
876 if (priv->i2c_props.adap == NULL)
877 return -EINVAL;
878
879 prev_freq = priv->frequency;
880 prev_bw = priv->bandwidth;
881
882 ret = simple_dvb_calc_regs(fe, params, buf, 5);
883 if (ret != 5)
884 goto fail;
885
886
887 if (fe->ops.analog_ops.standby)
888 fe->ops.analog_ops.standby(fe);
889
890 if (fe->ops.i2c_gate_ctrl)
891 fe->ops.i2c_gate_ctrl(fe, 1);
892
893
894
895 ret = tuner_i2c_xfer_send(&priv->i2c_props, buf+1, 4);
896 if (ret != 4)
897 goto fail;
898
899 return 0;
900fail:
901
902 priv->frequency = prev_freq;
903 priv->bandwidth = prev_bw;
904
905 return ret;
906}
907
908static int simple_init(struct dvb_frontend *fe)
909{
910 struct tuner_simple_priv *priv = fe->tuner_priv;
911
912 if (priv->i2c_props.adap == NULL)
913 return -EINVAL;
914
915 if (priv->tun->initdata) {
916 int ret;
917
918 if (fe->ops.i2c_gate_ctrl)
919 fe->ops.i2c_gate_ctrl(fe, 1);
920
921 ret = tuner_i2c_xfer_send(&priv->i2c_props,
922 priv->tun->initdata + 1,
923 priv->tun->initdata[0]);
924 if (ret != priv->tun->initdata[0])
925 return ret;
926 }
927
928 return 0;
929}
930
931static int simple_sleep(struct dvb_frontend *fe)
932{
933 struct tuner_simple_priv *priv = fe->tuner_priv;
934
935 if (priv->i2c_props.adap == NULL)
936 return -EINVAL;
937
938 if (priv->tun->sleepdata) {
939 int ret;
940
941 if (fe->ops.i2c_gate_ctrl)
942 fe->ops.i2c_gate_ctrl(fe, 1);
943
944 ret = tuner_i2c_xfer_send(&priv->i2c_props,
945 priv->tun->sleepdata + 1,
946 priv->tun->sleepdata[0]);
947 if (ret != priv->tun->sleepdata[0])
948 return ret;
949 }
950
951 return 0;
952}
953
954static int simple_release(struct dvb_frontend *fe)
955{
956 struct tuner_simple_priv *priv = fe->tuner_priv;
957
958 mutex_lock(&tuner_simple_list_mutex);
959
960 if (priv)
961 hybrid_tuner_release_state(priv);
962
963 mutex_unlock(&tuner_simple_list_mutex);
964
965 fe->tuner_priv = NULL;
966
967 return 0;
968}
969
970static int simple_get_frequency(struct dvb_frontend *fe, u32 *frequency)
971{
972 struct tuner_simple_priv *priv = fe->tuner_priv;
973 *frequency = priv->frequency;
974 return 0;
975}
976
977static int simple_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
978{
979 struct tuner_simple_priv *priv = fe->tuner_priv;
980 *bandwidth = priv->bandwidth;
981 return 0;
982}
983
984static struct dvb_tuner_ops simple_tuner_ops = {
985 .init = simple_init,
986 .sleep = simple_sleep,
987 .set_analog_params = simple_set_params,
988 .set_params = simple_dvb_set_params,
989 .calc_regs = simple_dvb_calc_regs,
990 .release = simple_release,
991 .get_frequency = simple_get_frequency,
992 .get_bandwidth = simple_get_bandwidth,
993 .get_status = simple_get_status,
994 .get_rf_strength = simple_get_rf_strength,
995};
996
997struct dvb_frontend *simple_tuner_attach(struct dvb_frontend *fe,
998 struct i2c_adapter *i2c_adap,
999 u8 i2c_addr,
1000 unsigned int type)
1001{
1002 struct tuner_simple_priv *priv = NULL;
1003 int instance;
1004
1005 if (type >= tuner_count) {
1006 printk(KERN_WARNING "%s: invalid tuner type: %d (max: %d)\n",
1007 __func__, type, tuner_count-1);
1008 return NULL;
1009 }
1010
1011
1012
1013
1014
1015 if (i2c_adap != NULL) {
1016 u8 b[1];
1017 struct i2c_msg msg = {
1018 .addr = i2c_addr, .flags = I2C_M_RD,
1019 .buf = b, .len = 1,
1020 };
1021
1022 if (fe->ops.i2c_gate_ctrl)
1023 fe->ops.i2c_gate_ctrl(fe, 1);
1024
1025 if (1 != i2c_transfer(i2c_adap, &msg, 1))
1026 printk(KERN_WARNING "tuner-simple %d-%04x: "
1027 "unable to probe %s, proceeding anyway.",
1028 i2c_adapter_id(i2c_adap), i2c_addr,
1029 tuners[type].name);
1030
1031 if (fe->ops.i2c_gate_ctrl)
1032 fe->ops.i2c_gate_ctrl(fe, 0);
1033 }
1034
1035 mutex_lock(&tuner_simple_list_mutex);
1036
1037 instance = hybrid_tuner_request_state(struct tuner_simple_priv, priv,
1038 hybrid_tuner_instance_list,
1039 i2c_adap, i2c_addr,
1040 "tuner-simple");
1041 switch (instance) {
1042 case 0:
1043 mutex_unlock(&tuner_simple_list_mutex);
1044 return NULL;
1045 case 1:
1046 fe->tuner_priv = priv;
1047
1048 priv->type = type;
1049 priv->tun = &tuners[type];
1050 priv->nr = simple_devcount++;
1051 break;
1052 default:
1053 fe->tuner_priv = priv;
1054 break;
1055 }
1056
1057 mutex_unlock(&tuner_simple_list_mutex);
1058
1059 memcpy(&fe->ops.tuner_ops, &simple_tuner_ops,
1060 sizeof(struct dvb_tuner_ops));
1061
1062 tuner_info("type set to %d (%s)\n", type, priv->tun->name);
1063
1064 if ((debug) || ((atv_input[priv->nr] > 0) ||
1065 (dtv_input[priv->nr] > 0))) {
1066 if (0 == atv_input[priv->nr])
1067 tuner_info("tuner %d atv rf input will be "
1068 "autoselected\n", priv->nr);
1069 else
1070 tuner_info("tuner %d atv rf input will be "
1071 "set to input %d (insmod option)\n",
1072 priv->nr, atv_input[priv->nr]);
1073 if (0 == dtv_input[priv->nr])
1074 tuner_info("tuner %d dtv rf input will be "
1075 "autoselected\n", priv->nr);
1076 else
1077 tuner_info("tuner %d dtv rf input will be "
1078 "set to input %d (insmod option)\n",
1079 priv->nr, dtv_input[priv->nr]);
1080 }
1081
1082 strlcpy(fe->ops.tuner_ops.info.name, priv->tun->name,
1083 sizeof(fe->ops.tuner_ops.info.name));
1084
1085 return fe;
1086}
1087EXPORT_SYMBOL_GPL(simple_tuner_attach);
1088
1089MODULE_DESCRIPTION("Simple 4-control-bytes style tuner driver");
1090MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer");
1091MODULE_LICENSE("GPL");
1092
1093
1094
1095
1096
1097
1098
1099