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md/raid5: correctly update sync_completed when we reach max_resync
[deliverable/linux.git] / drivers / media / common / tuners / tuner-simple.c
1 /*
2 * i2c tv tuner chip device driver
3 * controls all those simple 4-control-bytes style tuners.
4 *
5 * This "tuner-simple" module was split apart from the original "tuner" module.
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
16 static int debug;
17 module_param(debug, int, 0644);
18 MODULE_PARM_DESC(debug, "enable verbose debug messages");
19
20 #define TUNER_SIMPLE_MAX 64
21 static unsigned int simple_devcount;
22
23 static int offset;
24 module_param(offset, int, 0664);
25 MODULE_PARM_DESC(offset, "Allows to specify an offset for tuner");
26
27 static unsigned int atv_input[TUNER_SIMPLE_MAX] = \
28 { [0 ... (TUNER_SIMPLE_MAX-1)] = 0 };
29 static unsigned int dtv_input[TUNER_SIMPLE_MAX] = \
30 { [0 ... (TUNER_SIMPLE_MAX-1)] = 0 };
31 module_param_array(atv_input, int, NULL, 0644);
32 module_param_array(dtv_input, int, NULL, 0644);
33 MODULE_PARM_DESC(atv_input, "specify atv rf input, 0 for autoselect");
34 MODULE_PARM_DESC(dtv_input, "specify dtv rf input, 0 for autoselect");
35
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
49 #define TEMIC_SET_PAL_L 0x0a /* SECAM ? */
50 #define TEMIC_SET_PAL_L2 0x0b /* change IF ! */
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 */
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' */
80
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
102
103 static DEFINE_MUTEX(tuner_simple_list_mutex);
104 static LIST_HEAD(hybrid_tuner_instance_list);
105
106 struct 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
122 static 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
133 static inline int tuner_signal(const int status)
134 {
135 return (status & TUNER_SIGNAL) << 13;
136 }
137
138 static 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
152 static inline int tuner_islocked(const int status)
153 {
154 return (status & TUNER_FL);
155 }
156
157 static inline int tuner_afcstatus(const int status)
158 {
159 return (status & TUNER_AFC) - 2;
160 }
161
162
163 static 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
185 static 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
204 static 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
231 static 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
255 static 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
285 static 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
316 static 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 int rc;
322
323 /* tv norm specific stuff for multi-norm tuners */
324 switch (priv->type) {
325 case TUNER_PHILIPS_SECAM: /* FI1216MF */
326 /* 0x01 -> ??? no change ??? */
327 /* 0x02 -> PAL BDGHI / SECAM L */
328 /* 0x04 -> ??? PAL others / SECAM others ??? */
329 *cb &= ~0x03;
330 if (params->std & V4L2_STD_SECAM_L)
331 /* also valid for V4L2_STD_SECAM */
332 *cb |= PHILIPS_MF_SET_STD_L;
333 else if (params->std & V4L2_STD_SECAM_LC)
334 *cb |= PHILIPS_MF_SET_STD_LC;
335 else /* V4L2_STD_B|V4L2_STD_GH */
336 *cb |= PHILIPS_MF_SET_STD_BG;
337 break;
338
339 case TUNER_TEMIC_4046FM5:
340 *cb &= ~0x0f;
341
342 if (params->std & V4L2_STD_PAL_BG) {
343 *cb |= TEMIC_SET_PAL_BG;
344
345 } else if (params->std & V4L2_STD_PAL_I) {
346 *cb |= TEMIC_SET_PAL_I;
347
348 } else if (params->std & V4L2_STD_PAL_DK) {
349 *cb |= TEMIC_SET_PAL_DK;
350
351 } else if (params->std & V4L2_STD_SECAM_L) {
352 *cb |= TEMIC_SET_PAL_L;
353
354 }
355 break;
356
357 case TUNER_PHILIPS_FQ1216ME:
358 *cb &= ~0x0f;
359
360 if (params->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) {
361 *cb |= PHILIPS_SET_PAL_BGDK;
362
363 } else if (params->std & V4L2_STD_PAL_I) {
364 *cb |= PHILIPS_SET_PAL_I;
365
366 } else if (params->std & V4L2_STD_SECAM_L) {
367 *cb |= PHILIPS_SET_PAL_L;
368
369 }
370 break;
371
372 case TUNER_PHILIPS_FCV1236D:
373 /* 0x00 -> ATSC antenna input 1 */
374 /* 0x01 -> ATSC antenna input 2 */
375 /* 0x02 -> NTSC antenna input 1 */
376 /* 0x03 -> NTSC antenna input 2 */
377 *cb &= ~0x03;
378 if (!(params->std & V4L2_STD_ATSC))
379 *cb |= 2;
380 break;
381
382 case TUNER_MICROTUNE_4042FI5:
383 /* Set the charge pump for fast tuning */
384 *config |= TUNER_CHARGE_PUMP;
385 break;
386
387 case TUNER_PHILIPS_TUV1236D:
388 {
389 struct tuner_i2c_props i2c = priv->i2c_props;
390 /* 0x40 -> ATSC antenna input 1 */
391 /* 0x48 -> ATSC antenna input 2 */
392 /* 0x00 -> NTSC antenna input 1 */
393 /* 0x08 -> NTSC antenna input 2 */
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 /* set to the correct mode (analog or digital) */
401 i2c.addr = 0x0a;
402 rc = tuner_i2c_xfer_send(&i2c, &buffer[0], 2);
403 if (2 != rc)
404 tuner_warn("i2c i/o error: rc == %d "
405 "(should be 2)\n", rc);
406 rc = tuner_i2c_xfer_send(&i2c, &buffer[2], 2);
407 if (2 != rc)
408 tuner_warn("i2c i/o error: rc == %d "
409 "(should be 2)\n", rc);
410 break;
411 }
412 }
413 if (atv_input[priv->nr])
414 simple_set_rf_input(fe, config, cb, atv_input[priv->nr]);
415
416 return 0;
417 }
418
419 static int simple_post_tune(struct dvb_frontend *fe, u8 *buffer,
420 u16 div, u8 config, u8 cb)
421 {
422 struct tuner_simple_priv *priv = fe->tuner_priv;
423 int rc;
424
425 switch (priv->type) {
426 case TUNER_LG_TDVS_H06XF:
427 /* Set the Auxiliary Byte. */
428 buffer[0] = buffer[2];
429 buffer[0] &= ~0x20;
430 buffer[0] |= 0x18;
431 buffer[1] = 0x20;
432 tuner_dbg("tv 0x%02x 0x%02x\n", buffer[0], buffer[1]);
433
434 rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 2);
435 if (2 != rc)
436 tuner_warn("i2c i/o error: rc == %d "
437 "(should be 2)\n", rc);
438 break;
439 case TUNER_MICROTUNE_4042FI5:
440 {
441 /* FIXME - this may also work for other tuners */
442 unsigned long timeout = jiffies + msecs_to_jiffies(1);
443 u8 status_byte = 0;
444
445 /* Wait until the PLL locks */
446 for (;;) {
447 if (time_after(jiffies, timeout))
448 return 0;
449 rc = tuner_i2c_xfer_recv(&priv->i2c_props,
450 &status_byte, 1);
451 if (1 != rc) {
452 tuner_warn("i2c i/o read error: rc == %d "
453 "(should be 1)\n", rc);
454 break;
455 }
456 if (status_byte & TUNER_PLL_LOCKED)
457 break;
458 udelay(10);
459 }
460
461 /* Set the charge pump for optimized phase noise figure */
462 config &= ~TUNER_CHARGE_PUMP;
463 buffer[0] = (div>>8) & 0x7f;
464 buffer[1] = div & 0xff;
465 buffer[2] = config;
466 buffer[3] = cb;
467 tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
468 buffer[0], buffer[1], buffer[2], buffer[3]);
469
470 rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
471 if (4 != rc)
472 tuner_warn("i2c i/o error: rc == %d "
473 "(should be 4)\n", rc);
474 break;
475 }
476 }
477
478 return 0;
479 }
480
481 static int simple_radio_bandswitch(struct dvb_frontend *fe, u8 *buffer)
482 {
483 struct tuner_simple_priv *priv = fe->tuner_priv;
484
485 switch (priv->type) {
486 case TUNER_TENA_9533_DI:
487 case TUNER_YMEC_TVF_5533MF:
488 tuner_dbg("This tuner doesn't have FM. "
489 "Most cards have a TEA5767 for FM\n");
490 return 0;
491 case TUNER_PHILIPS_FM1216ME_MK3:
492 case TUNER_PHILIPS_FM1236_MK3:
493 case TUNER_PHILIPS_FMD1216ME_MK3:
494 case TUNER_PHILIPS_FMD1216MEX_MK3:
495 case TUNER_LG_NTSC_TAPE:
496 case TUNER_PHILIPS_FM1256_IH3:
497 case TUNER_TCL_MF02GIP_5N:
498 buffer[3] = 0x19;
499 break;
500 case TUNER_TNF_5335MF:
501 buffer[3] = 0x11;
502 break;
503 case TUNER_LG_PAL_FM:
504 buffer[3] = 0xa5;
505 break;
506 case TUNER_THOMSON_DTT761X:
507 buffer[3] = 0x39;
508 break;
509 case TUNER_MICROTUNE_4049FM5:
510 default:
511 buffer[3] = 0xa4;
512 break;
513 }
514
515 return 0;
516 }
517
518 /* ---------------------------------------------------------------------- */
519
520 static int simple_set_tv_freq(struct dvb_frontend *fe,
521 struct analog_parameters *params)
522 {
523 struct tuner_simple_priv *priv = fe->tuner_priv;
524 u8 config, cb;
525 u16 div;
526 struct tunertype *tun;
527 u8 buffer[4];
528 int rc, IFPCoff, i;
529 enum param_type desired_type;
530 struct tuner_params *t_params;
531
532 tun = priv->tun;
533
534 /* IFPCoff = Video Intermediate Frequency - Vif:
535 940 =16*58.75 NTSC/J (Japan)
536 732 =16*45.75 M/N STD
537 704 =16*44 ATSC (at DVB code)
538 632 =16*39.50 I U.K.
539 622.4=16*38.90 B/G D/K I, L STD
540 592 =16*37.00 D China
541 590 =16.36.875 B Australia
542 543.2=16*33.95 L' STD
543 171.2=16*10.70 FM Radio (at set_radio_freq)
544 */
545
546 if (params->std == V4L2_STD_NTSC_M_JP) {
547 IFPCoff = 940;
548 desired_type = TUNER_PARAM_TYPE_NTSC;
549 } else if ((params->std & V4L2_STD_MN) &&
550 !(params->std & ~V4L2_STD_MN)) {
551 IFPCoff = 732;
552 desired_type = TUNER_PARAM_TYPE_NTSC;
553 } else if (params->std == V4L2_STD_SECAM_LC) {
554 IFPCoff = 543;
555 desired_type = TUNER_PARAM_TYPE_SECAM;
556 } else {
557 IFPCoff = 623;
558 desired_type = TUNER_PARAM_TYPE_PAL;
559 }
560
561 t_params = simple_tuner_params(fe, desired_type);
562
563 i = simple_config_lookup(fe, t_params, &params->frequency,
564 &config, &cb);
565
566 div = params->frequency + IFPCoff + offset;
567
568 tuner_dbg("Freq= %d.%02d MHz, V_IF=%d.%02d MHz, "
569 "Offset=%d.%02d MHz, div=%0d\n",
570 params->frequency / 16, params->frequency % 16 * 100 / 16,
571 IFPCoff / 16, IFPCoff % 16 * 100 / 16,
572 offset / 16, offset % 16 * 100 / 16, div);
573
574 /* tv norm specific stuff for multi-norm tuners */
575 simple_std_setup(fe, params, &config, &cb);
576
577 if (t_params->cb_first_if_lower_freq && div < priv->last_div) {
578 buffer[0] = config;
579 buffer[1] = cb;
580 buffer[2] = (div>>8) & 0x7f;
581 buffer[3] = div & 0xff;
582 } else {
583 buffer[0] = (div>>8) & 0x7f;
584 buffer[1] = div & 0xff;
585 buffer[2] = config;
586 buffer[3] = cb;
587 }
588 priv->last_div = div;
589 if (t_params->has_tda9887) {
590 struct v4l2_priv_tun_config tda9887_cfg;
591 int tda_config = 0;
592 int is_secam_l = (params->std & (V4L2_STD_SECAM_L |
593 V4L2_STD_SECAM_LC)) &&
594 !(params->std & ~(V4L2_STD_SECAM_L |
595 V4L2_STD_SECAM_LC));
596
597 tda9887_cfg.tuner = TUNER_TDA9887;
598 tda9887_cfg.priv = &tda_config;
599
600 if (params->std == V4L2_STD_SECAM_LC) {
601 if (t_params->port1_active ^ t_params->port1_invert_for_secam_lc)
602 tda_config |= TDA9887_PORT1_ACTIVE;
603 if (t_params->port2_active ^ t_params->port2_invert_for_secam_lc)
604 tda_config |= TDA9887_PORT2_ACTIVE;
605 } else {
606 if (t_params->port1_active)
607 tda_config |= TDA9887_PORT1_ACTIVE;
608 if (t_params->port2_active)
609 tda_config |= TDA9887_PORT2_ACTIVE;
610 }
611 if (t_params->intercarrier_mode)
612 tda_config |= TDA9887_INTERCARRIER;
613 if (is_secam_l) {
614 if (i == 0 && t_params->default_top_secam_low)
615 tda_config |= TDA9887_TOP(t_params->default_top_secam_low);
616 else if (i == 1 && t_params->default_top_secam_mid)
617 tda_config |= TDA9887_TOP(t_params->default_top_secam_mid);
618 else if (t_params->default_top_secam_high)
619 tda_config |= TDA9887_TOP(t_params->default_top_secam_high);
620 } else {
621 if (i == 0 && t_params->default_top_low)
622 tda_config |= TDA9887_TOP(t_params->default_top_low);
623 else if (i == 1 && t_params->default_top_mid)
624 tda_config |= TDA9887_TOP(t_params->default_top_mid);
625 else if (t_params->default_top_high)
626 tda_config |= TDA9887_TOP(t_params->default_top_high);
627 }
628 if (t_params->default_pll_gating_18)
629 tda_config |= TDA9887_GATING_18;
630 i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG,
631 &tda9887_cfg);
632 }
633 tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
634 buffer[0], buffer[1], buffer[2], buffer[3]);
635
636 rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
637 if (4 != rc)
638 tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc);
639
640 simple_post_tune(fe, &buffer[0], div, config, cb);
641
642 return 0;
643 }
644
645 static int simple_set_radio_freq(struct dvb_frontend *fe,
646 struct analog_parameters *params)
647 {
648 struct tunertype *tun;
649 struct tuner_simple_priv *priv = fe->tuner_priv;
650 u8 buffer[4];
651 u16 div;
652 int rc, j;
653 struct tuner_params *t_params;
654 unsigned int freq = params->frequency;
655
656 tun = priv->tun;
657
658 for (j = tun->count-1; j > 0; j--)
659 if (tun->params[j].type == TUNER_PARAM_TYPE_RADIO)
660 break;
661 /* default t_params (j=0) will be used if desired type wasn't found */
662 t_params = &tun->params[j];
663
664 /* Select Radio 1st IF used */
665 switch (t_params->radio_if) {
666 case 0: /* 10.7 MHz */
667 freq += (unsigned int)(10.7*16000);
668 break;
669 case 1: /* 33.3 MHz */
670 freq += (unsigned int)(33.3*16000);
671 break;
672 case 2: /* 41.3 MHz */
673 freq += (unsigned int)(41.3*16000);
674 break;
675 default:
676 tuner_warn("Unsupported radio_if value %d\n",
677 t_params->radio_if);
678 return 0;
679 }
680
681 /* Bandswitch byte */
682 simple_radio_bandswitch(fe, &buffer[0]);
683
684 buffer[2] = (t_params->ranges[0].config & ~TUNER_RATIO_MASK) |
685 TUNER_RATIO_SELECT_50; /* 50 kHz step */
686
687 /* Convert from 1/16 kHz V4L steps to 1/20 MHz (=50 kHz) PLL steps
688 freq * (1 Mhz / 16000 V4L steps) * (20 PLL steps / 1 MHz) =
689 freq * (1/800) */
690 div = (freq + 400) / 800;
691
692 if (t_params->cb_first_if_lower_freq && div < priv->last_div) {
693 buffer[0] = buffer[2];
694 buffer[1] = buffer[3];
695 buffer[2] = (div>>8) & 0x7f;
696 buffer[3] = div & 0xff;
697 } else {
698 buffer[0] = (div>>8) & 0x7f;
699 buffer[1] = div & 0xff;
700 }
701
702 tuner_dbg("radio 0x%02x 0x%02x 0x%02x 0x%02x\n",
703 buffer[0], buffer[1], buffer[2], buffer[3]);
704 priv->last_div = div;
705
706 if (t_params->has_tda9887) {
707 int config = 0;
708 struct v4l2_priv_tun_config tda9887_cfg;
709
710 tda9887_cfg.tuner = TUNER_TDA9887;
711 tda9887_cfg.priv = &config;
712
713 if (t_params->port1_active &&
714 !t_params->port1_fm_high_sensitivity)
715 config |= TDA9887_PORT1_ACTIVE;
716 if (t_params->port2_active &&
717 !t_params->port2_fm_high_sensitivity)
718 config |= TDA9887_PORT2_ACTIVE;
719 if (t_params->intercarrier_mode)
720 config |= TDA9887_INTERCARRIER;
721 /* if (t_params->port1_set_for_fm_mono)
722 config &= ~TDA9887_PORT1_ACTIVE;*/
723 if (t_params->fm_gain_normal)
724 config |= TDA9887_GAIN_NORMAL;
725 if (t_params->radio_if == 2)
726 config |= TDA9887_RIF_41_3;
727 i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG,
728 &tda9887_cfg);
729 }
730 rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
731 if (4 != rc)
732 tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc);
733
734 return 0;
735 }
736
737 static int simple_set_params(struct dvb_frontend *fe,
738 struct analog_parameters *params)
739 {
740 struct tuner_simple_priv *priv = fe->tuner_priv;
741 int ret = -EINVAL;
742
743 if (priv->i2c_props.adap == NULL)
744 return -EINVAL;
745
746 switch (params->mode) {
747 case V4L2_TUNER_RADIO:
748 ret = simple_set_radio_freq(fe, params);
749 priv->frequency = params->frequency * 125 / 2;
750 break;
751 case V4L2_TUNER_ANALOG_TV:
752 case V4L2_TUNER_DIGITAL_TV:
753 ret = simple_set_tv_freq(fe, params);
754 priv->frequency = params->frequency * 62500;
755 break;
756 }
757 priv->bandwidth = 0;
758
759 return ret;
760 }
761
762 static void simple_set_dvb(struct dvb_frontend *fe, u8 *buf,
763 const struct dvb_frontend_parameters *params)
764 {
765 struct tuner_simple_priv *priv = fe->tuner_priv;
766
767 switch (priv->type) {
768 case TUNER_PHILIPS_FMD1216ME_MK3:
769 case TUNER_PHILIPS_FMD1216MEX_MK3:
770 if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ &&
771 params->frequency >= 158870000)
772 buf[3] |= 0x08;
773 break;
774 case TUNER_PHILIPS_TD1316:
775 /* determine band */
776 buf[3] |= (params->frequency < 161000000) ? 1 :
777 (params->frequency < 444000000) ? 2 : 4;
778
779 /* setup PLL filter */
780 if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
781 buf[3] |= 1 << 3;
782 break;
783 case TUNER_PHILIPS_TUV1236D:
784 case TUNER_PHILIPS_FCV1236D:
785 {
786 unsigned int new_rf;
787
788 if (dtv_input[priv->nr])
789 new_rf = dtv_input[priv->nr];
790 else
791 switch (params->u.vsb.modulation) {
792 case QAM_64:
793 case QAM_256:
794 new_rf = 1;
795 break;
796 case VSB_8:
797 default:
798 new_rf = 0;
799 break;
800 }
801 simple_set_rf_input(fe, &buf[2], &buf[3], new_rf);
802 break;
803 }
804 default:
805 break;
806 }
807 }
808
809 static u32 simple_dvb_configure(struct dvb_frontend *fe, u8 *buf,
810 const struct dvb_frontend_parameters *params)
811 {
812 /* This function returns the tuned frequency on success, 0 on error */
813 struct tuner_simple_priv *priv = fe->tuner_priv;
814 struct tunertype *tun = priv->tun;
815 static struct tuner_params *t_params;
816 u8 config, cb;
817 u32 div;
818 int ret;
819 unsigned frequency = params->frequency / 62500;
820
821 if (!tun->stepsize) {
822 /* tuner-core was loaded before the digital tuner was
823 * configured and somehow picked the wrong tuner type */
824 tuner_err("attempt to treat tuner %d (%s) as digital tuner "
825 "without stepsize defined.\n",
826 priv->type, priv->tun->name);
827 return 0; /* failure */
828 }
829
830 t_params = simple_tuner_params(fe, TUNER_PARAM_TYPE_DIGITAL);
831 ret = simple_config_lookup(fe, t_params, &frequency, &config, &cb);
832 if (ret < 0)
833 return 0; /* failure */
834
835 div = ((frequency + t_params->iffreq) * 62500 + offset +
836 tun->stepsize/2) / tun->stepsize;
837
838 buf[0] = div >> 8;
839 buf[1] = div & 0xff;
840 buf[2] = config;
841 buf[3] = cb;
842
843 simple_set_dvb(fe, buf, params);
844
845 tuner_dbg("%s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n",
846 tun->name, div, buf[0], buf[1], buf[2], buf[3]);
847
848 /* calculate the frequency we set it to */
849 return (div * tun->stepsize) - t_params->iffreq;
850 }
851
852 static int simple_dvb_calc_regs(struct dvb_frontend *fe,
853 struct dvb_frontend_parameters *params,
854 u8 *buf, int buf_len)
855 {
856 struct tuner_simple_priv *priv = fe->tuner_priv;
857 u32 frequency;
858
859 if (buf_len < 5)
860 return -EINVAL;
861
862 frequency = simple_dvb_configure(fe, buf+1, params);
863 if (frequency == 0)
864 return -EINVAL;
865
866 buf[0] = priv->i2c_props.addr;
867
868 priv->frequency = frequency;
869 priv->bandwidth = (fe->ops.info.type == FE_OFDM) ?
870 params->u.ofdm.bandwidth : 0;
871
872 return 5;
873 }
874
875 static int simple_dvb_set_params(struct dvb_frontend *fe,
876 struct dvb_frontend_parameters *params)
877 {
878 struct tuner_simple_priv *priv = fe->tuner_priv;
879 u32 prev_freq, prev_bw;
880 int ret;
881 u8 buf[5];
882
883 if (priv->i2c_props.adap == NULL)
884 return -EINVAL;
885
886 prev_freq = priv->frequency;
887 prev_bw = priv->bandwidth;
888
889 ret = simple_dvb_calc_regs(fe, params, buf, 5);
890 if (ret != 5)
891 goto fail;
892
893 /* put analog demod in standby when tuning digital */
894 if (fe->ops.analog_ops.standby)
895 fe->ops.analog_ops.standby(fe);
896
897 if (fe->ops.i2c_gate_ctrl)
898 fe->ops.i2c_gate_ctrl(fe, 1);
899
900 /* buf[0] contains the i2c address, but *
901 * we already have it in i2c_props.addr */
902 ret = tuner_i2c_xfer_send(&priv->i2c_props, buf+1, 4);
903 if (ret != 4)
904 goto fail;
905
906 return 0;
907 fail:
908 /* calc_regs sets frequency and bandwidth. if we failed, unset them */
909 priv->frequency = prev_freq;
910 priv->bandwidth = prev_bw;
911
912 return ret;
913 }
914
915 static int simple_init(struct dvb_frontend *fe)
916 {
917 struct tuner_simple_priv *priv = fe->tuner_priv;
918
919 if (priv->i2c_props.adap == NULL)
920 return -EINVAL;
921
922 if (priv->tun->initdata) {
923 int ret;
924
925 if (fe->ops.i2c_gate_ctrl)
926 fe->ops.i2c_gate_ctrl(fe, 1);
927
928 ret = tuner_i2c_xfer_send(&priv->i2c_props,
929 priv->tun->initdata + 1,
930 priv->tun->initdata[0]);
931 if (ret != priv->tun->initdata[0])
932 return ret;
933 }
934
935 return 0;
936 }
937
938 static int simple_sleep(struct dvb_frontend *fe)
939 {
940 struct tuner_simple_priv *priv = fe->tuner_priv;
941
942 if (priv->i2c_props.adap == NULL)
943 return -EINVAL;
944
945 if (priv->tun->sleepdata) {
946 int ret;
947
948 if (fe->ops.i2c_gate_ctrl)
949 fe->ops.i2c_gate_ctrl(fe, 1);
950
951 ret = tuner_i2c_xfer_send(&priv->i2c_props,
952 priv->tun->sleepdata + 1,
953 priv->tun->sleepdata[0]);
954 if (ret != priv->tun->sleepdata[0])
955 return ret;
956 }
957
958 return 0;
959 }
960
961 static int simple_release(struct dvb_frontend *fe)
962 {
963 struct tuner_simple_priv *priv = fe->tuner_priv;
964
965 mutex_lock(&tuner_simple_list_mutex);
966
967 if (priv)
968 hybrid_tuner_release_state(priv);
969
970 mutex_unlock(&tuner_simple_list_mutex);
971
972 fe->tuner_priv = NULL;
973
974 return 0;
975 }
976
977 static int simple_get_frequency(struct dvb_frontend *fe, u32 *frequency)
978 {
979 struct tuner_simple_priv *priv = fe->tuner_priv;
980 *frequency = priv->frequency;
981 return 0;
982 }
983
984 static int simple_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
985 {
986 struct tuner_simple_priv *priv = fe->tuner_priv;
987 *bandwidth = priv->bandwidth;
988 return 0;
989 }
990
991 static struct dvb_tuner_ops simple_tuner_ops = {
992 .init = simple_init,
993 .sleep = simple_sleep,
994 .set_analog_params = simple_set_params,
995 .set_params = simple_dvb_set_params,
996 .calc_regs = simple_dvb_calc_regs,
997 .release = simple_release,
998 .get_frequency = simple_get_frequency,
999 .get_bandwidth = simple_get_bandwidth,
1000 .get_status = simple_get_status,
1001 .get_rf_strength = simple_get_rf_strength,
1002 };
1003
1004 struct dvb_frontend *simple_tuner_attach(struct dvb_frontend *fe,
1005 struct i2c_adapter *i2c_adap,
1006 u8 i2c_addr,
1007 unsigned int type)
1008 {
1009 struct tuner_simple_priv *priv = NULL;
1010 int instance;
1011
1012 if (type >= tuner_count) {
1013 printk(KERN_WARNING "%s: invalid tuner type: %d (max: %d)\n",
1014 __func__, type, tuner_count-1);
1015 return NULL;
1016 }
1017
1018 /* If i2c_adap is set, check that the tuner is at the correct address.
1019 * Otherwise, if i2c_adap is NULL, the tuner will be programmed directly
1020 * by the digital demod via calc_regs.
1021 */
1022 if (i2c_adap != NULL) {
1023 u8 b[1];
1024 struct i2c_msg msg = {
1025 .addr = i2c_addr, .flags = I2C_M_RD,
1026 .buf = b, .len = 1,
1027 };
1028
1029 if (fe->ops.i2c_gate_ctrl)
1030 fe->ops.i2c_gate_ctrl(fe, 1);
1031
1032 if (1 != i2c_transfer(i2c_adap, &msg, 1))
1033 printk(KERN_WARNING "tuner-simple %d-%04x: "
1034 "unable to probe %s, proceeding anyway.",
1035 i2c_adapter_id(i2c_adap), i2c_addr,
1036 tuners[type].name);
1037
1038 if (fe->ops.i2c_gate_ctrl)
1039 fe->ops.i2c_gate_ctrl(fe, 0);
1040 }
1041
1042 mutex_lock(&tuner_simple_list_mutex);
1043
1044 instance = hybrid_tuner_request_state(struct tuner_simple_priv, priv,
1045 hybrid_tuner_instance_list,
1046 i2c_adap, i2c_addr,
1047 "tuner-simple");
1048 switch (instance) {
1049 case 0:
1050 mutex_unlock(&tuner_simple_list_mutex);
1051 return NULL;
1052 case 1:
1053 fe->tuner_priv = priv;
1054
1055 priv->type = type;
1056 priv->tun = &tuners[type];
1057 priv->nr = simple_devcount++;
1058 break;
1059 default:
1060 fe->tuner_priv = priv;
1061 break;
1062 }
1063
1064 mutex_unlock(&tuner_simple_list_mutex);
1065
1066 memcpy(&fe->ops.tuner_ops, &simple_tuner_ops,
1067 sizeof(struct dvb_tuner_ops));
1068
1069 if (type != priv->type)
1070 tuner_warn("couldn't set type to %d. Using %d (%s) instead\n",
1071 type, priv->type, priv->tun->name);
1072 else
1073 tuner_info("type set to %d (%s)\n",
1074 priv->type, priv->tun->name);
1075
1076 if ((debug) || ((atv_input[priv->nr] > 0) ||
1077 (dtv_input[priv->nr] > 0))) {
1078 if (0 == atv_input[priv->nr])
1079 tuner_info("tuner %d atv rf input will be "
1080 "autoselected\n", priv->nr);
1081 else
1082 tuner_info("tuner %d atv rf input will be "
1083 "set to input %d (insmod option)\n",
1084 priv->nr, atv_input[priv->nr]);
1085 if (0 == dtv_input[priv->nr])
1086 tuner_info("tuner %d dtv rf input will be "
1087 "autoselected\n", priv->nr);
1088 else
1089 tuner_info("tuner %d dtv rf input will be "
1090 "set to input %d (insmod option)\n",
1091 priv->nr, dtv_input[priv->nr]);
1092 }
1093
1094 strlcpy(fe->ops.tuner_ops.info.name, priv->tun->name,
1095 sizeof(fe->ops.tuner_ops.info.name));
1096
1097 return fe;
1098 }
1099 EXPORT_SYMBOL_GPL(simple_tuner_attach);
1100
1101 MODULE_DESCRIPTION("Simple 4-control-bytes style tuner driver");
1102 MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer");
1103 MODULE_LICENSE("GPL");
1104
1105 /*
1106 * Overrides for Emacs so that we follow Linus's tabbing style.
1107 * ---------------------------------------------------------------------------
1108 * Local variables:
1109 * c-basic-offset: 8
1110 * End:
1111 */
Linux kernel - Deliverables
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