Merge git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm
[linux-2.6] / drivers / media / dvb / frontends / dvb-pll.c
1 /*
2  * descriptions + helper functions for simple dvb plls.
3  *
4  * (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License as published by
8  *  the Free Software Foundation; either version 2 of the License, or
9  *  (at your option) any later version.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *  GNU General Public License for more details.
15  *
16  *  You should have received a copy of the GNU General Public License
17  *  along with this program; if not, write to the Free Software
18  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19  */
20
21 #include <linux/module.h>
22 #include <linux/dvb/frontend.h>
23 #include <asm/types.h>
24
25 #include "dvb-pll.h"
26
27 struct dvb_pll_priv {
28         /* pll number */
29         int nr;
30
31         /* i2c details */
32         int pll_i2c_address;
33         struct i2c_adapter *i2c;
34
35         /* the PLL descriptor */
36         struct dvb_pll_desc *pll_desc;
37
38         /* cached frequency/bandwidth */
39         u32 frequency;
40         u32 bandwidth;
41 };
42
43 #define DVB_PLL_MAX 64
44
45 static unsigned int dvb_pll_devcount;
46
47 static int debug;
48 module_param(debug, int, 0644);
49 MODULE_PARM_DESC(debug, "enable verbose debug messages");
50
51 static unsigned int id[DVB_PLL_MAX] =
52         { [ 0 ... (DVB_PLL_MAX-1) ] = DVB_PLL_UNDEFINED };
53 module_param_array(id, int, NULL, 0644);
54 MODULE_PARM_DESC(id, "force pll id to use (DEBUG ONLY)");
55
56 /* ----------------------------------------------------------- */
57
58 struct dvb_pll_desc {
59         char *name;
60         u32  min;
61         u32  max;
62         u32  iffreq;
63         void (*set)(struct dvb_frontend *fe, u8 *buf,
64                     const struct dvb_frontend_parameters *params);
65         u8   *initdata;
66         u8   *sleepdata;
67         int  count;
68         struct {
69                 u32 limit;
70                 u32 stepsize;
71                 u8  config;
72                 u8  cb;
73         } entries[12];
74 };
75
76 /* ----------------------------------------------------------- */
77 /* descriptions                                                */
78
79 static struct dvb_pll_desc dvb_pll_thomson_dtt7579 = {
80         .name  = "Thomson dtt7579",
81         .min   = 177000000,
82         .max   = 858000000,
83         .iffreq= 36166667,
84         .sleepdata = (u8[]){ 2, 0xb4, 0x03 },
85         .count = 4,
86         .entries = {
87                 {  443250000, 166667, 0xb4, 0x02 },
88                 {  542000000, 166667, 0xb4, 0x08 },
89                 {  771000000, 166667, 0xbc, 0x08 },
90                 {  999999999, 166667, 0xf4, 0x08 },
91         },
92 };
93
94 static void thomson_dtt759x_bw(struct dvb_frontend *fe, u8 *buf,
95                                const struct dvb_frontend_parameters *params)
96 {
97         if (BANDWIDTH_7_MHZ == params->u.ofdm.bandwidth)
98                 buf[3] |= 0x10;
99 }
100
101 static struct dvb_pll_desc dvb_pll_thomson_dtt759x = {
102         .name  = "Thomson dtt759x",
103         .min   = 177000000,
104         .max   = 896000000,
105         .set   = thomson_dtt759x_bw,
106         .iffreq= 36166667,
107         .sleepdata = (u8[]){ 2, 0x84, 0x03 },
108         .count = 5,
109         .entries = {
110                 {  264000000, 166667, 0xb4, 0x02 },
111                 {  470000000, 166667, 0xbc, 0x02 },
112                 {  735000000, 166667, 0xbc, 0x08 },
113                 {  835000000, 166667, 0xf4, 0x08 },
114                 {  999999999, 166667, 0xfc, 0x08 },
115         },
116 };
117
118 static struct dvb_pll_desc dvb_pll_lg_z201 = {
119         .name  = "LG z201",
120         .min   = 174000000,
121         .max   = 862000000,
122         .iffreq= 36166667,
123         .sleepdata = (u8[]){ 2, 0xbc, 0x03 },
124         .count = 5,
125         .entries = {
126                 {  157500000, 166667, 0xbc, 0x01 },
127                 {  443250000, 166667, 0xbc, 0x02 },
128                 {  542000000, 166667, 0xbc, 0x04 },
129                 {  830000000, 166667, 0xf4, 0x04 },
130                 {  999999999, 166667, 0xfc, 0x04 },
131         },
132 };
133
134 static struct dvb_pll_desc dvb_pll_unknown_1 = {
135         .name  = "unknown 1", /* used by dntv live dvb-t */
136         .min   = 174000000,
137         .max   = 862000000,
138         .iffreq= 36166667,
139         .count = 9,
140         .entries = {
141                 {  150000000, 166667, 0xb4, 0x01 },
142                 {  173000000, 166667, 0xbc, 0x01 },
143                 {  250000000, 166667, 0xb4, 0x02 },
144                 {  400000000, 166667, 0xbc, 0x02 },
145                 {  420000000, 166667, 0xf4, 0x02 },
146                 {  470000000, 166667, 0xfc, 0x02 },
147                 {  600000000, 166667, 0xbc, 0x08 },
148                 {  730000000, 166667, 0xf4, 0x08 },
149                 {  999999999, 166667, 0xfc, 0x08 },
150         },
151 };
152
153 /* Infineon TUA6010XS
154  * used in Thomson Cable Tuner
155  */
156 static struct dvb_pll_desc dvb_pll_tua6010xs = {
157         .name  = "Infineon TUA6010XS",
158         .min   =  44250000,
159         .max   = 858000000,
160         .iffreq= 36125000,
161         .count = 3,
162         .entries = {
163                 {  115750000, 62500, 0x8e, 0x03 },
164                 {  403250000, 62500, 0x8e, 0x06 },
165                 {  999999999, 62500, 0x8e, 0x85 },
166         },
167 };
168
169 /* Panasonic env57h1xd5 (some Philips PLL ?) */
170 static struct dvb_pll_desc dvb_pll_env57h1xd5 = {
171         .name  = "Panasonic ENV57H1XD5",
172         .min   =  44250000,
173         .max   = 858000000,
174         .iffreq= 36125000,
175         .count = 4,
176         .entries = {
177                 {  153000000, 166667, 0xc2, 0x41 },
178                 {  470000000, 166667, 0xc2, 0x42 },
179                 {  526000000, 166667, 0xc2, 0x84 },
180                 {  999999999, 166667, 0xc2, 0xa4 },
181         },
182 };
183
184 /* Philips TDA6650/TDA6651
185  * used in Panasonic ENV77H11D5
186  */
187 static void tda665x_bw(struct dvb_frontend *fe, u8 *buf,
188                        const struct dvb_frontend_parameters *params)
189 {
190         if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
191                 buf[3] |= 0x08;
192 }
193
194 static struct dvb_pll_desc dvb_pll_tda665x = {
195         .name  = "Philips TDA6650/TDA6651",
196         .min   =  44250000,
197         .max   = 858000000,
198         .set   = tda665x_bw,
199         .iffreq= 36166667,
200         .initdata = (u8[]){ 4, 0x0b, 0xf5, 0x85, 0xab },
201         .count = 12,
202         .entries = {
203                 {   93834000, 166667, 0xca, 0x61 /* 011 0 0 0  01 */ },
204                 {  123834000, 166667, 0xca, 0xa1 /* 101 0 0 0  01 */ },
205                 {  161000000, 166667, 0xca, 0xa1 /* 101 0 0 0  01 */ },
206                 {  163834000, 166667, 0xca, 0xc2 /* 110 0 0 0  10 */ },
207                 {  253834000, 166667, 0xca, 0x62 /* 011 0 0 0  10 */ },
208                 {  383834000, 166667, 0xca, 0xa2 /* 101 0 0 0  10 */ },
209                 {  443834000, 166667, 0xca, 0xc2 /* 110 0 0 0  10 */ },
210                 {  444000000, 166667, 0xca, 0xc4 /* 110 0 0 1  00 */ },
211                 {  583834000, 166667, 0xca, 0x64 /* 011 0 0 1  00 */ },
212                 {  793834000, 166667, 0xca, 0xa4 /* 101 0 0 1  00 */ },
213                 {  444834000, 166667, 0xca, 0xc4 /* 110 0 0 1  00 */ },
214                 {  861000000, 166667, 0xca, 0xe4 /* 111 0 0 1  00 */ },
215         }
216 };
217
218 /* Infineon TUA6034
219  * used in LG TDTP E102P
220  */
221 static void tua6034_bw(struct dvb_frontend *fe, u8 *buf,
222                        const struct dvb_frontend_parameters *params)
223 {
224         if (BANDWIDTH_7_MHZ != params->u.ofdm.bandwidth)
225                 buf[3] |= 0x08;
226 }
227
228 static struct dvb_pll_desc dvb_pll_tua6034 = {
229         .name  = "Infineon TUA6034",
230         .min   =  44250000,
231         .max   = 858000000,
232         .iffreq= 36166667,
233         .count = 3,
234         .set   = tua6034_bw,
235         .entries = {
236                 {  174500000, 62500, 0xce, 0x01 },
237                 {  230000000, 62500, 0xce, 0x02 },
238                 {  999999999, 62500, 0xce, 0x04 },
239         },
240 };
241
242 /* ALPS TDED4
243  * used in Nebula-Cards and USB boxes
244  */
245 static void tded4_bw(struct dvb_frontend *fe, u8 *buf,
246                      const struct dvb_frontend_parameters *params)
247 {
248         if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
249                 buf[3] |= 0x04;
250 }
251
252 static struct dvb_pll_desc dvb_pll_tded4 = {
253         .name = "ALPS TDED4",
254         .min = 47000000,
255         .max = 863000000,
256         .iffreq= 36166667,
257         .set   = tded4_bw,
258         .count = 4,
259         .entries = {
260                 { 153000000, 166667, 0x85, 0x01 },
261                 { 470000000, 166667, 0x85, 0x02 },
262                 { 823000000, 166667, 0x85, 0x08 },
263                 { 999999999, 166667, 0x85, 0x88 },
264         }
265 };
266
267 /* ALPS TDHU2
268  * used in AverTVHD MCE A180
269  */
270 static struct dvb_pll_desc dvb_pll_tdhu2 = {
271         .name = "ALPS TDHU2",
272         .min = 54000000,
273         .max = 864000000,
274         .iffreq= 44000000,
275         .count = 4,
276         .entries = {
277                 { 162000000, 62500, 0x85, 0x01 },
278                 { 426000000, 62500, 0x85, 0x02 },
279                 { 782000000, 62500, 0x85, 0x08 },
280                 { 999999999, 62500, 0x85, 0x88 },
281         }
282 };
283
284 /* Samsung TBMV30111IN / TBMV30712IN1
285  * used in Air2PC ATSC - 2nd generation (nxt2002)
286  */
287 static struct dvb_pll_desc dvb_pll_samsung_tbmv = {
288         .name = "Samsung TBMV30111IN / TBMV30712IN1",
289         .min = 54000000,
290         .max = 860000000,
291         .iffreq= 44000000,
292         .count = 6,
293         .entries = {
294                 { 172000000, 166667, 0xb4, 0x01 },
295                 { 214000000, 166667, 0xb4, 0x02 },
296                 { 467000000, 166667, 0xbc, 0x02 },
297                 { 721000000, 166667, 0xbc, 0x08 },
298                 { 841000000, 166667, 0xf4, 0x08 },
299                 { 999999999, 166667, 0xfc, 0x02 },
300         }
301 };
302
303 /*
304  * Philips SD1878 Tuner.
305  */
306 static struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261 = {
307         .name  = "Philips SD1878",
308         .min   =  950000,
309         .max   = 2150000,
310         .iffreq= 249, /* zero-IF, offset 249 is to round up */
311         .count = 4,
312         .entries = {
313                 { 1250000, 500, 0xc4, 0x00},
314                 { 1550000, 500, 0xc4, 0x40},
315                 { 2050000, 500, 0xc4, 0x80},
316                 { 2150000, 500, 0xc4, 0xc0},
317         },
318 };
319
320 static void opera1_bw(struct dvb_frontend *fe, u8 *buf,
321                       const struct dvb_frontend_parameters *params)
322 {
323         if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
324                 buf[2] |= 0x08;
325 }
326
327 static struct dvb_pll_desc dvb_pll_opera1 = {
328         .name  = "Opera Tuner",
329         .min   =  900000,
330         .max   = 2250000,
331         .iffreq= 0,
332         .set   = opera1_bw,
333         .count = 8,
334         .entries = {
335                 { 1064000, 500, 0xe5, 0xc6 },
336                 { 1169000, 500, 0xe5, 0xe6 },
337                 { 1299000, 500, 0xe5, 0x24 },
338                 { 1444000, 500, 0xe5, 0x44 },
339                 { 1606000, 500, 0xe5, 0x64 },
340                 { 1777000, 500, 0xe5, 0x84 },
341                 { 1941000, 500, 0xe5, 0xa4 },
342                 { 2250000, 500, 0xe5, 0xc4 },
343         }
344 };
345
346 static void samsung_dtos403ih102a_set(struct dvb_frontend *fe, u8 *buf,
347                        const struct dvb_frontend_parameters *params)
348 {
349         struct dvb_pll_priv *priv = fe->tuner_priv;
350         struct i2c_msg msg = {
351                 .addr = priv->pll_i2c_address,
352                 .flags = 0,
353                 .buf = buf,
354                 .len = 4
355         };
356         int result;
357
358         if (fe->ops.i2c_gate_ctrl)
359                 fe->ops.i2c_gate_ctrl(fe, 1);
360
361         result = i2c_transfer(priv->i2c, &msg, 1);
362         if (result != 1)
363                 printk(KERN_ERR "%s: i2c_transfer failed:%d",
364                         __func__, result);
365
366         buf[2] = 0x9e;
367         buf[3] = 0x90;
368
369         return;
370 }
371
372 /* unknown pll used in Samsung DTOS403IH102A DVB-C tuner */
373 static struct dvb_pll_desc dvb_pll_samsung_dtos403ih102a = {
374         .name   = "Samsung DTOS403IH102A",
375         .min    =  44250000,
376         .max    = 858000000,
377         .iffreq =  36125000,
378         .count  = 8,
379         .set    = samsung_dtos403ih102a_set,
380         .entries = {
381                 { 135000000, 62500, 0xbe, 0x01 },
382                 { 177000000, 62500, 0xf6, 0x01 },
383                 { 370000000, 62500, 0xbe, 0x02 },
384                 { 450000000, 62500, 0xf6, 0x02 },
385                 { 466000000, 62500, 0xfe, 0x02 },
386                 { 538000000, 62500, 0xbe, 0x08 },
387                 { 826000000, 62500, 0xf6, 0x08 },
388                 { 999999999, 62500, 0xfe, 0x08 },
389         }
390 };
391
392 /* ----------------------------------------------------------- */
393
394 static struct dvb_pll_desc *pll_list[] = {
395         [DVB_PLL_UNDEFINED]              = NULL,
396         [DVB_PLL_THOMSON_DTT7579]        = &dvb_pll_thomson_dtt7579,
397         [DVB_PLL_THOMSON_DTT759X]        = &dvb_pll_thomson_dtt759x,
398         [DVB_PLL_LG_Z201]                = &dvb_pll_lg_z201,
399         [DVB_PLL_UNKNOWN_1]              = &dvb_pll_unknown_1,
400         [DVB_PLL_TUA6010XS]              = &dvb_pll_tua6010xs,
401         [DVB_PLL_ENV57H1XD5]             = &dvb_pll_env57h1xd5,
402         [DVB_PLL_TUA6034]                = &dvb_pll_tua6034,
403         [DVB_PLL_TDA665X]                = &dvb_pll_tda665x,
404         [DVB_PLL_TDED4]                  = &dvb_pll_tded4,
405         [DVB_PLL_TDHU2]                  = &dvb_pll_tdhu2,
406         [DVB_PLL_SAMSUNG_TBMV]           = &dvb_pll_samsung_tbmv,
407         [DVB_PLL_PHILIPS_SD1878_TDA8261] = &dvb_pll_philips_sd1878_tda8261,
408         [DVB_PLL_OPERA1]                 = &dvb_pll_opera1,
409         [DVB_PLL_SAMSUNG_DTOS403IH102A]  = &dvb_pll_samsung_dtos403ih102a,
410 };
411
412 /* ----------------------------------------------------------- */
413 /* code                                                        */
414
415 static int dvb_pll_configure(struct dvb_frontend *fe, u8 *buf,
416                              const struct dvb_frontend_parameters *params)
417 {
418         struct dvb_pll_priv *priv = fe->tuner_priv;
419         struct dvb_pll_desc *desc = priv->pll_desc;
420         u32 div;
421         int i;
422
423         if (params->frequency != 0 && (params->frequency < desc->min ||
424                                        params->frequency > desc->max))
425                 return -EINVAL;
426
427         for (i = 0; i < desc->count; i++) {
428                 if (params->frequency > desc->entries[i].limit)
429                         continue;
430                 break;
431         }
432
433         if (debug)
434                 printk("pll: %s: freq=%d | i=%d/%d\n", desc->name,
435                        params->frequency, i, desc->count);
436         if (i == desc->count)
437                 return -EINVAL;
438
439         div = (params->frequency + desc->iffreq +
440                desc->entries[i].stepsize/2) / desc->entries[i].stepsize;
441         buf[0] = div >> 8;
442         buf[1] = div & 0xff;
443         buf[2] = desc->entries[i].config;
444         buf[3] = desc->entries[i].cb;
445
446         if (desc->set)
447                 desc->set(fe, buf, params);
448
449         if (debug)
450                 printk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n",
451                        desc->name, div, buf[0], buf[1], buf[2], buf[3]);
452
453         // calculate the frequency we set it to
454         return (div * desc->entries[i].stepsize) - desc->iffreq;
455 }
456
457 static int dvb_pll_release(struct dvb_frontend *fe)
458 {
459         kfree(fe->tuner_priv);
460         fe->tuner_priv = NULL;
461         return 0;
462 }
463
464 static int dvb_pll_sleep(struct dvb_frontend *fe)
465 {
466         struct dvb_pll_priv *priv = fe->tuner_priv;
467
468         if (priv->i2c == NULL)
469                 return -EINVAL;
470
471         if (priv->pll_desc->sleepdata) {
472                 struct i2c_msg msg = { .flags = 0,
473                         .addr = priv->pll_i2c_address,
474                         .buf = priv->pll_desc->sleepdata + 1,
475                         .len = priv->pll_desc->sleepdata[0] };
476
477                 int result;
478
479                 if (fe->ops.i2c_gate_ctrl)
480                         fe->ops.i2c_gate_ctrl(fe, 1);
481                 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) {
482                         return result;
483                 }
484                 return 0;
485         }
486         /* Shouldn't be called when initdata is NULL, maybe BUG()? */
487         return -EINVAL;
488 }
489
490 static int dvb_pll_set_params(struct dvb_frontend *fe,
491                               struct dvb_frontend_parameters *params)
492 {
493         struct dvb_pll_priv *priv = fe->tuner_priv;
494         u8 buf[4];
495         struct i2c_msg msg =
496                 { .addr = priv->pll_i2c_address, .flags = 0,
497                   .buf = buf, .len = sizeof(buf) };
498         int result;
499         u32 frequency = 0;
500
501         if (priv->i2c == NULL)
502                 return -EINVAL;
503
504         if ((result = dvb_pll_configure(fe, buf, params)) < 0)
505                 return result;
506         else
507                 frequency = result;
508
509         if (fe->ops.i2c_gate_ctrl)
510                 fe->ops.i2c_gate_ctrl(fe, 1);
511         if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) {
512                 return result;
513         }
514
515         priv->frequency = frequency;
516         priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0;
517
518         return 0;
519 }
520
521 static int dvb_pll_calc_regs(struct dvb_frontend *fe,
522                              struct dvb_frontend_parameters *params,
523                              u8 *buf, int buf_len)
524 {
525         struct dvb_pll_priv *priv = fe->tuner_priv;
526         int result;
527         u32 frequency = 0;
528
529         if (buf_len < 5)
530                 return -EINVAL;
531
532         if ((result = dvb_pll_configure(fe, buf+1, params)) < 0)
533                 return result;
534         else
535                 frequency = result;
536
537         buf[0] = priv->pll_i2c_address;
538
539         priv->frequency = frequency;
540         priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0;
541
542         return 5;
543 }
544
545 static int dvb_pll_get_frequency(struct dvb_frontend *fe, u32 *frequency)
546 {
547         struct dvb_pll_priv *priv = fe->tuner_priv;
548         *frequency = priv->frequency;
549         return 0;
550 }
551
552 static int dvb_pll_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
553 {
554         struct dvb_pll_priv *priv = fe->tuner_priv;
555         *bandwidth = priv->bandwidth;
556         return 0;
557 }
558
559 static int dvb_pll_init(struct dvb_frontend *fe)
560 {
561         struct dvb_pll_priv *priv = fe->tuner_priv;
562
563         if (priv->i2c == NULL)
564                 return -EINVAL;
565
566         if (priv->pll_desc->initdata) {
567                 struct i2c_msg msg = { .flags = 0,
568                         .addr = priv->pll_i2c_address,
569                         .buf = priv->pll_desc->initdata + 1,
570                         .len = priv->pll_desc->initdata[0] };
571
572                 int result;
573                 if (fe->ops.i2c_gate_ctrl)
574                         fe->ops.i2c_gate_ctrl(fe, 1);
575                 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) {
576                         return result;
577                 }
578                 return 0;
579         }
580         /* Shouldn't be called when initdata is NULL, maybe BUG()? */
581         return -EINVAL;
582 }
583
584 static struct dvb_tuner_ops dvb_pll_tuner_ops = {
585         .release = dvb_pll_release,
586         .sleep = dvb_pll_sleep,
587         .init = dvb_pll_init,
588         .set_params = dvb_pll_set_params,
589         .calc_regs = dvb_pll_calc_regs,
590         .get_frequency = dvb_pll_get_frequency,
591         .get_bandwidth = dvb_pll_get_bandwidth,
592 };
593
594 struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr,
595                                     struct i2c_adapter *i2c,
596                                     unsigned int pll_desc_id)
597 {
598         u8 b1 [] = { 0 };
599         struct i2c_msg msg = { .addr = pll_addr, .flags = I2C_M_RD,
600                                .buf = b1, .len = 1 };
601         struct dvb_pll_priv *priv = NULL;
602         int ret;
603         struct dvb_pll_desc *desc;
604
605         if ((id[dvb_pll_devcount] > DVB_PLL_UNDEFINED) &&
606             (id[dvb_pll_devcount] < ARRAY_SIZE(pll_list)))
607                 pll_desc_id = id[dvb_pll_devcount];
608
609         BUG_ON(pll_desc_id < 1 || pll_desc_id >= ARRAY_SIZE(pll_list));
610
611         desc = pll_list[pll_desc_id];
612
613         if (i2c != NULL) {
614                 if (fe->ops.i2c_gate_ctrl)
615                         fe->ops.i2c_gate_ctrl(fe, 1);
616
617                 ret = i2c_transfer (i2c, &msg, 1);
618                 if (ret != 1)
619                         return NULL;
620                 if (fe->ops.i2c_gate_ctrl)
621                              fe->ops.i2c_gate_ctrl(fe, 0);
622         }
623
624         priv = kzalloc(sizeof(struct dvb_pll_priv), GFP_KERNEL);
625         if (priv == NULL)
626                 return NULL;
627
628         priv->pll_i2c_address = pll_addr;
629         priv->i2c = i2c;
630         priv->pll_desc = desc;
631         priv->nr = dvb_pll_devcount++;
632
633         memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops,
634                sizeof(struct dvb_tuner_ops));
635
636         strncpy(fe->ops.tuner_ops.info.name, desc->name,
637                 sizeof(fe->ops.tuner_ops.info.name));
638         fe->ops.tuner_ops.info.frequency_min = desc->min;
639         fe->ops.tuner_ops.info.frequency_max = desc->max;
640         if (!desc->initdata)
641                 fe->ops.tuner_ops.init = NULL;
642         if (!desc->sleepdata)
643                 fe->ops.tuner_ops.sleep = NULL;
644
645         fe->tuner_priv = priv;
646
647         if ((debug) || (id[priv->nr] == pll_desc_id)) {
648                 printk("dvb-pll[%d]", priv->nr);
649                 if (i2c != NULL)
650                         printk(" %d-%04x", i2c_adapter_id(i2c), pll_addr);
651                 printk(": id# %d (%s) attached, %s\n", pll_desc_id, desc->name,
652                        id[priv->nr] == pll_desc_id ?
653                                 "insmod option" : "autodetected");
654         }
655
656         return fe;
657 }
658 EXPORT_SYMBOL(dvb_pll_attach);
659
660 MODULE_DESCRIPTION("dvb pll library");
661 MODULE_AUTHOR("Gerd Knorr");
662 MODULE_LICENSE("GPL");