?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Merge tag 'block-5.11-2021-01-10' of git://git.kernel.dk/linux-block
[linux/fpc-iii.git] / drivers / media / dvb-frontends / dvb-pll.c
blobd45b4ddc8f91294ce68b626286f678555e9e0b1f
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * descriptions + helper functions for simple dvb plls.
4 *
5 * (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
6 */
7
8 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
9
10 #include <linux/slab.h>
11 #include <linux/module.h>
12 #include <linux/idr.h>
13 #include <linux/dvb/frontend.h>
14 #include <asm/types.h>
15
16 #include "dvb-pll.h"
17
18 #define dprintk(fmt, arg...) \
19 printk(KERN_DEBUG pr_fmt("%s: " fmt), __func__, ##arg)
20
21 struct dvb_pll_priv {
22 /* pll number */
23 int nr;
24
25 /* i2c details */
26 int pll_i2c_address;
27 struct i2c_adapter *i2c;
28
29 /* the PLL descriptor */
30 const struct dvb_pll_desc *pll_desc;
31
32 /* cached frequency/bandwidth */
33 u32 frequency;
34 u32 bandwidth;
35 };
36
37 #define DVB_PLL_MAX 64
38 static DEFINE_IDA(pll_ida);
39
40 static int debug;
41 module_param(debug, int, 0644);
42 MODULE_PARM_DESC(debug, "enable verbose debug messages");
43
44 static unsigned int id[DVB_PLL_MAX] =
45 { [ 0 ... (DVB_PLL_MAX-1) ] = DVB_PLL_UNDEFINED };
46 module_param_array(id, int, NULL, 0644);
47 MODULE_PARM_DESC(id, "force pll id to use (DEBUG ONLY)");
48
49 /* ----------------------------------------------------------- */
50
51 struct dvb_pll_desc {
52 const char *name;
53 u32 min;
54 u32 max;
55 u32 iffreq;
56 void (*set)(struct dvb_frontend *fe, u8 *buf);
57 u8 *initdata;
58 u8 *initdata2;
59 u8 *sleepdata;
60 int count;
61 struct {
62 u32 limit;
63 u32 stepsize;
64 u8 config;
65 u8 cb;
66 } entries[];
67 };
68
69 /* ----------------------------------------------------------- */
70 /* descriptions */
71
72 static const struct dvb_pll_desc dvb_pll_thomson_dtt7579 = {
73 .name = "Thomson dtt7579",
74 .min = 177 * MHz,
75 .max = 858 * MHz,
76 .iffreq= 36166667,
77 .sleepdata = (u8[]){ 2, 0xb4, 0x03 },
78 .count = 4,
79 .entries = {
80 { 443250000, 166667, 0xb4, 0x02 },
81 { 542000000, 166667, 0xb4, 0x08 },
82 { 771000000, 166667, 0xbc, 0x08 },
83 { 999999999, 166667, 0xf4, 0x08 },
84 },
85 };
86
87 static void thomson_dtt759x_bw(struct dvb_frontend *fe, u8 *buf)
88 {
89 u32 bw = fe->dtv_property_cache.bandwidth_hz;
90 if (bw == 7000000)
91 buf[3] |= 0x10;
92 }
93
94 static const struct dvb_pll_desc dvb_pll_thomson_dtt759x = {
95 .name = "Thomson dtt759x",
96 .min = 177 * MHz,
97 .max = 896 * MHz,
98 .set = thomson_dtt759x_bw,
99 .iffreq= 36166667,
100 .sleepdata = (u8[]){ 2, 0x84, 0x03 },
101 .count = 5,
102 .entries = {
103 { 264000000, 166667, 0xb4, 0x02 },
104 { 470000000, 166667, 0xbc, 0x02 },
105 { 735000000, 166667, 0xbc, 0x08 },
106 { 835000000, 166667, 0xf4, 0x08 },
107 { 999999999, 166667, 0xfc, 0x08 },
108 },
109 };
110
111 static void thomson_dtt7520x_bw(struct dvb_frontend *fe, u8 *buf)
112 {
113 u32 bw = fe->dtv_property_cache.bandwidth_hz;
114 if (bw == 8000000)
115 buf[3] ^= 0x10;
116 }
117
118 static const struct dvb_pll_desc dvb_pll_thomson_dtt7520x = {
119 .name = "Thomson dtt7520x",
120 .min = 185 * MHz,
121 .max = 900 * MHz,
122 .set = thomson_dtt7520x_bw,
123 .iffreq = 36166667,
124 .count = 7,
125 .entries = {
126 { 305000000, 166667, 0xb4, 0x12 },
127 { 405000000, 166667, 0xbc, 0x12 },
128 { 445000000, 166667, 0xbc, 0x12 },
129 { 465000000, 166667, 0xf4, 0x18 },
130 { 735000000, 166667, 0xfc, 0x18 },
131 { 835000000, 166667, 0xbc, 0x18 },
132 { 999999999, 166667, 0xfc, 0x18 },
133 },
134 };
135
136 static const struct dvb_pll_desc dvb_pll_lg_z201 = {
137 .name = "LG z201",
138 .min = 174 * MHz,
139 .max = 862 * MHz,
140 .iffreq= 36166667,
141 .sleepdata = (u8[]){ 2, 0xbc, 0x03 },
142 .count = 5,
143 .entries = {
144 { 157500000, 166667, 0xbc, 0x01 },
145 { 443250000, 166667, 0xbc, 0x02 },
146 { 542000000, 166667, 0xbc, 0x04 },
147 { 830000000, 166667, 0xf4, 0x04 },
148 { 999999999, 166667, 0xfc, 0x04 },
149 },
150 };
151
152 static const struct dvb_pll_desc dvb_pll_unknown_1 = {
153 .name = "unknown 1", /* used by dntv live dvb-t */
154 .min = 174 * MHz,
155 .max = 862 * MHz,
156 .iffreq= 36166667,
157 .count = 9,
158 .entries = {
159 { 150000000, 166667, 0xb4, 0x01 },
160 { 173000000, 166667, 0xbc, 0x01 },
161 { 250000000, 166667, 0xb4, 0x02 },
162 { 400000000, 166667, 0xbc, 0x02 },
163 { 420000000, 166667, 0xf4, 0x02 },
164 { 470000000, 166667, 0xfc, 0x02 },
165 { 600000000, 166667, 0xbc, 0x08 },
166 { 730000000, 166667, 0xf4, 0x08 },
167 { 999999999, 166667, 0xfc, 0x08 },
168 },
169 };
170
171 /* Infineon TUA6010XS
172 * used in Thomson Cable Tuner
173 */
174 static const struct dvb_pll_desc dvb_pll_tua6010xs = {
175 .name = "Infineon TUA6010XS",
176 .min = 44250 * kHz,
177 .max = 858 * MHz,
178 .iffreq= 36125000,
179 .count = 3,
180 .entries = {
181 { 115750000, 62500, 0x8e, 0x03 },
182 { 403250000, 62500, 0x8e, 0x06 },
183 { 999999999, 62500, 0x8e, 0x85 },
184 },
185 };
186
187 /* Panasonic env57h1xd5 (some Philips PLL ?) */
188 static const struct dvb_pll_desc dvb_pll_env57h1xd5 = {
189 .name = "Panasonic ENV57H1XD5",
190 .min = 44250 * kHz,
191 .max = 858 * MHz,
192 .iffreq= 36125000,
193 .count = 4,
194 .entries = {
195 { 153000000, 166667, 0xc2, 0x41 },
196 { 470000000, 166667, 0xc2, 0x42 },
197 { 526000000, 166667, 0xc2, 0x84 },
198 { 999999999, 166667, 0xc2, 0xa4 },
199 },
200 };
201
202 /* Philips TDA6650/TDA6651
203 * used in Panasonic ENV77H11D5
204 */
205 static void tda665x_bw(struct dvb_frontend *fe, u8 *buf)
206 {
207 u32 bw = fe->dtv_property_cache.bandwidth_hz;
208 if (bw == 8000000)
209 buf[3] |= 0x08;
210 }
211
212 static const struct dvb_pll_desc dvb_pll_tda665x = {
213 .name = "Philips TDA6650/TDA6651",
214 .min = 44250 * kHz,
215 .max = 858 * MHz,
216 .set = tda665x_bw,
217 .iffreq= 36166667,
218 .initdata = (u8[]){ 4, 0x0b, 0xf5, 0x85, 0xab },
219 .count = 12,
220 .entries = {
221 { 93834000, 166667, 0xca, 0x61 /* 011 0 0 0 01 */ },
222 { 123834000, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ },
223 { 161000000, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ },
224 { 163834000, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ },
225 { 253834000, 166667, 0xca, 0x62 /* 011 0 0 0 10 */ },
226 { 383834000, 166667, 0xca, 0xa2 /* 101 0 0 0 10 */ },
227 { 443834000, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ },
228 { 444000000, 166667, 0xca, 0xc4 /* 110 0 0 1 00 */ },
229 { 583834000, 166667, 0xca, 0x64 /* 011 0 0 1 00 */ },
230 { 793834000, 166667, 0xca, 0xa4 /* 101 0 0 1 00 */ },
231 { 444834000, 166667, 0xca, 0xc4 /* 110 0 0 1 00 */ },
232 { 861000000, 166667, 0xca, 0xe4 /* 111 0 0 1 00 */ },
233 }
234 };
235
236 /* Infineon TUA6034
237 * used in LG TDTP E102P
238 */
239 static void tua6034_bw(struct dvb_frontend *fe, u8 *buf)
240 {
241 u32 bw = fe->dtv_property_cache.bandwidth_hz;
242 if (bw == 7000000)
243 buf[3] |= 0x08;
244 }
245
246 static const struct dvb_pll_desc dvb_pll_tua6034 = {
247 .name = "Infineon TUA6034",
248 .min = 44250 * kHz,
249 .max = 858 * MHz,
250 .iffreq= 36166667,
251 .count = 3,
252 .set = tua6034_bw,
253 .entries = {
254 { 174500000, 62500, 0xce, 0x01 },
255 { 230000000, 62500, 0xce, 0x02 },
256 { 999999999, 62500, 0xce, 0x04 },
257 },
258 };
259
260 /* ALPS TDED4
261 * used in Nebula-Cards and USB boxes
262 */
263 static void tded4_bw(struct dvb_frontend *fe, u8 *buf)
264 {
265 u32 bw = fe->dtv_property_cache.bandwidth_hz;
266 if (bw == 8000000)
267 buf[3] |= 0x04;
268 }
269
270 static const struct dvb_pll_desc dvb_pll_tded4 = {
271 .name = "ALPS TDED4",
272 .min = 47 * MHz,
273 .max = 863 * MHz,
274 .iffreq= 36166667,
275 .set = tded4_bw,
276 .count = 4,
277 .entries = {
278 { 153000000, 166667, 0x85, 0x01 },
279 { 470000000, 166667, 0x85, 0x02 },
280 { 823000000, 166667, 0x85, 0x08 },
281 { 999999999, 166667, 0x85, 0x88 },
282 }
283 };
284
285 /* ALPS TDHU2
286 * used in AverTVHD MCE A180
287 */
288 static const struct dvb_pll_desc dvb_pll_tdhu2 = {
289 .name = "ALPS TDHU2",
290 .min = 54 * MHz,
291 .max = 864 * MHz,
292 .iffreq= 44000000,
293 .count = 4,
294 .entries = {
295 { 162000000, 62500, 0x85, 0x01 },
296 { 426000000, 62500, 0x85, 0x02 },
297 { 782000000, 62500, 0x85, 0x08 },
298 { 999999999, 62500, 0x85, 0x88 },
299 }
300 };
301
302 /* Samsung TBMV30111IN / TBMV30712IN1
303 * used in Air2PC ATSC - 2nd generation (nxt2002)
304 */
305 static const struct dvb_pll_desc dvb_pll_samsung_tbmv = {
306 .name = "Samsung TBMV30111IN / TBMV30712IN1",
307 .min = 54 * MHz,
308 .max = 860 * MHz,
309 .iffreq= 44000000,
310 .count = 6,
311 .entries = {
312 { 172000000, 166667, 0xb4, 0x01 },
313 { 214000000, 166667, 0xb4, 0x02 },
314 { 467000000, 166667, 0xbc, 0x02 },
315 { 721000000, 166667, 0xbc, 0x08 },
316 { 841000000, 166667, 0xf4, 0x08 },
317 { 999999999, 166667, 0xfc, 0x02 },
318 }
319 };
320
321 /*
322 * Philips SD1878 Tuner.
323 */
324 static const struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261 = {
325 .name = "Philips SD1878",
326 .min = 950 * MHz,
327 .max = 2150 * MHz,
328 .iffreq= 249, /* zero-IF, offset 249 is to round up */
329 .count = 4,
330 .entries = {
331 { 1250000, 500, 0xc4, 0x00},
332 { 1450000, 500, 0xc4, 0x40},
333 { 2050000, 500, 0xc4, 0x80},
334 { 2150000, 500, 0xc4, 0xc0},
335 },
336 };
337
338 static void opera1_bw(struct dvb_frontend *fe, u8 *buf)
339 {
340 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
341 struct dvb_pll_priv *priv = fe->tuner_priv;
342 u32 b_w = (c->symbol_rate * 27) / 32000;
343 struct i2c_msg msg = {
344 .addr = priv->pll_i2c_address,
345 .flags = 0,
346 .buf = buf,
347 .len = 4
348 };
349 int result;
350 u8 lpf;
351
352 if (fe->ops.i2c_gate_ctrl)
353 fe->ops.i2c_gate_ctrl(fe, 1);
354
355 result = i2c_transfer(priv->i2c, &msg, 1);
356 if (result != 1)
357 pr_err("%s: i2c_transfer failed:%d",
358 __func__, result);
359
360 if (b_w <= 10000)
361 lpf = 0xc;
362 else if (b_w <= 12000)
363 lpf = 0x2;
364 else if (b_w <= 14000)
365 lpf = 0xa;
366 else if (b_w <= 16000)
367 lpf = 0x6;
368 else if (b_w <= 18000)
369 lpf = 0xe;
370 else if (b_w <= 20000)
371 lpf = 0x1;
372 else if (b_w <= 22000)
373 lpf = 0x9;
374 else if (b_w <= 24000)
375 lpf = 0x5;
376 else if (b_w <= 26000)
377 lpf = 0xd;
378 else if (b_w <= 28000)
379 lpf = 0x3;
380 else
381 lpf = 0xb;
382 buf[2] ^= 0x1c; /* Flip bits 3-5 */
383 /* Set lpf */
384 buf[2] |= ((lpf >> 2) & 0x3) << 3;
385 buf[3] |= (lpf & 0x3) << 2;
386
387 return;
388 }
389
390 static const struct dvb_pll_desc dvb_pll_opera1 = {
391 .name = "Opera Tuner",
392 .min = 900 * MHz,
393 .max = 2250 * MHz,
394 .initdata = (u8[]){ 4, 0x08, 0xe5, 0xe1, 0x00 },
395 .initdata2 = (u8[]){ 4, 0x08, 0xe5, 0xe5, 0x00 },
396 .iffreq= 0,
397 .set = opera1_bw,
398 .count = 8,
399 .entries = {
400 { 1064000, 500, 0xf9, 0xc2 },
401 { 1169000, 500, 0xf9, 0xe2 },
402 { 1299000, 500, 0xf9, 0x20 },
403 { 1444000, 500, 0xf9, 0x40 },
404 { 1606000, 500, 0xf9, 0x60 },
405 { 1777000, 500, 0xf9, 0x80 },
406 { 1941000, 500, 0xf9, 0xa0 },
407 { 2250000, 500, 0xf9, 0xc0 },
408 }
409 };
410
411 static void samsung_dtos403ih102a_set(struct dvb_frontend *fe, u8 *buf)
412 {
413 struct dvb_pll_priv *priv = fe->tuner_priv;
414 struct i2c_msg msg = {
415 .addr = priv->pll_i2c_address,
416 .flags = 0,
417 .buf = buf,
418 .len = 4
419 };
420 int result;
421
422 if (fe->ops.i2c_gate_ctrl)
423 fe->ops.i2c_gate_ctrl(fe, 1);
424
425 result = i2c_transfer(priv->i2c, &msg, 1);
426 if (result != 1)
427 pr_err("%s: i2c_transfer failed:%d",
428 __func__, result);
429
430 buf[2] = 0x9e;
431 buf[3] = 0x90;
432
433 return;
434 }
435
436 /* unknown pll used in Samsung DTOS403IH102A DVB-C tuner */
437 static const struct dvb_pll_desc dvb_pll_samsung_dtos403ih102a = {
438 .name = "Samsung DTOS403IH102A",
439 .min = 44250 * kHz,
440 .max = 858 * MHz,
441 .iffreq = 36125000,
442 .count = 8,
443 .set = samsung_dtos403ih102a_set,
444 .entries = {
445 { 135000000, 62500, 0xbe, 0x01 },
446 { 177000000, 62500, 0xf6, 0x01 },
447 { 370000000, 62500, 0xbe, 0x02 },
448 { 450000000, 62500, 0xf6, 0x02 },
449 { 466000000, 62500, 0xfe, 0x02 },
450 { 538000000, 62500, 0xbe, 0x08 },
451 { 826000000, 62500, 0xf6, 0x08 },
452 { 999999999, 62500, 0xfe, 0x08 },
453 }
454 };
455
456 /* Samsung TDTC9251DH0 DVB-T NIM, as used on AirStar 2 */
457 static const struct dvb_pll_desc dvb_pll_samsung_tdtc9251dh0 = {
458 .name = "Samsung TDTC9251DH0",
459 .min = 48 * MHz,
460 .max = 863 * MHz,
461 .iffreq = 36166667,
462 .count = 3,
463 .entries = {
464 { 157500000, 166667, 0xcc, 0x09 },
465 { 443000000, 166667, 0xcc, 0x0a },
466 { 863000000, 166667, 0xcc, 0x08 },
467 }
468 };
469
470 /* Samsung TBDU18132 DVB-S NIM with TSA5059 PLL, used in SkyStar2 DVB-S 2.3 */
471 static const struct dvb_pll_desc dvb_pll_samsung_tbdu18132 = {
472 .name = "Samsung TBDU18132",
473 .min = 950 * MHz,
474 .max = 2150 * MHz, /* guesses */
475 .iffreq = 0,
476 .count = 2,
477 .entries = {
478 { 1550000, 125, 0x84, 0x82 },
479 { 4095937, 125, 0x84, 0x80 },
480 }
481 /* TSA5059 PLL has a 17 bit divisor rather than the 15 bits supported
482 * by this driver. The two extra bits are 0x60 in the third byte. 15
483 * bits is enough for over 4 GHz, which is enough to cover the range
484 * of this tuner. We could use the additional divisor bits by adding
485 * more entries, e.g.
486 { 0x0ffff * 125 + 125/2, 125, 0x84 | 0x20, },
487 { 0x17fff * 125 + 125/2, 125, 0x84 | 0x40, },
488 { 0x1ffff * 125 + 125/2, 125, 0x84 | 0x60, }, */
489 };
490
491 /* Samsung TBMU24112 DVB-S NIM with SL1935 zero-IF tuner */
492 static const struct dvb_pll_desc dvb_pll_samsung_tbmu24112 = {
493 .name = "Samsung TBMU24112",
494 .min = 950 * MHz,
495 .max = 2150 * MHz, /* guesses */
496 .iffreq = 0,
497 .count = 2,
498 .entries = {
499 { 1500000, 125, 0x84, 0x18 },
500 { 9999999, 125, 0x84, 0x08 },
501 }
502 };
503
504 /* Alps TDEE4 DVB-C NIM, used on Cablestar 2 */
505 /* byte 4 : 1 * * AGD R3 R2 R1 R0
506 * byte 5 : C1 * RE RTS BS4 BS3 BS2 BS1
507 * AGD = 1, R3 R2 R1 R0 = 0 1 0 1 => byte 4 = 1**10101 = 0x95
508 * Range(MHz) C1 * RE RTS BS4 BS3 BS2 BS1 Byte 5
509 * 47 - 153 0 * 0 0 0 0 0 1 0x01
510 * 153 - 430 0 * 0 0 0 0 1 0 0x02
511 * 430 - 822 0 * 0 0 1 0 0 0 0x08
512 * 822 - 862 1 * 0 0 1 0 0 0 0x88 */
513 static const struct dvb_pll_desc dvb_pll_alps_tdee4 = {
514 .name = "ALPS TDEE4",
515 .min = 47 * MHz,
516 .max = 862 * MHz,
517 .iffreq = 36125000,
518 .count = 4,
519 .entries = {
520 { 153000000, 62500, 0x95, 0x01 },
521 { 430000000, 62500, 0x95, 0x02 },
522 { 822000000, 62500, 0x95, 0x08 },
523 { 999999999, 62500, 0x95, 0x88 },
524 }
525 };
526
527 /* Infineon TUA6034 ISDB-T, used in Friio */
528 /* CP cur. 50uA, AGC takeover: 103dBuV, PORT3 on */
529 static const struct dvb_pll_desc dvb_pll_tua6034_friio = {
530 .name = "Infineon TUA6034 ISDB-T (Friio)",
531 .min = 90 * MHz,
532 .max = 770 * MHz,
533 .iffreq = 57000000,
534 .initdata = (u8[]){ 4, 0x9a, 0x50, 0xb2, 0x08 },
535 .sleepdata = (u8[]){ 4, 0x9a, 0x70, 0xb3, 0x0b },
536 .count = 3,
537 .entries = {
538 { 170000000, 142857, 0xba, 0x09 },
539 { 470000000, 142857, 0xba, 0x0a },
540 { 770000000, 142857, 0xb2, 0x08 },
541 }
542 };
543
544 /* Philips TDA6651 ISDB-T, used in Earthsoft PT1 */
545 static const struct dvb_pll_desc dvb_pll_tda665x_earth_pt1 = {
546 .name = "Philips TDA6651 ISDB-T (EarthSoft PT1)",
547 .min = 90 * MHz,
548 .max = 770 * MHz,
549 .iffreq = 57000000,
550 .initdata = (u8[]){ 5, 0x0e, 0x7f, 0xc1, 0x80, 0x80 },
551 .count = 10,
552 .entries = {
553 { 140000000, 142857, 0xc1, 0x81 },
554 { 170000000, 142857, 0xc1, 0xa1 },
555 { 220000000, 142857, 0xc1, 0x62 },
556 { 330000000, 142857, 0xc1, 0xa2 },
557 { 402000000, 142857, 0xc1, 0xe2 },
558 { 450000000, 142857, 0xc1, 0x64 },
559 { 550000000, 142857, 0xc1, 0x84 },
560 { 600000000, 142857, 0xc1, 0xa4 },
561 { 700000000, 142857, 0xc1, 0xc4 },
562 { 770000000, 142857, 0xc1, 0xe4 },
563 }
564 };
565
566 /* ----------------------------------------------------------- */
567
568 static const struct dvb_pll_desc *pll_list[] = {
569 [DVB_PLL_UNDEFINED] = NULL,
570 [DVB_PLL_THOMSON_DTT7579] = &dvb_pll_thomson_dtt7579,
571 [DVB_PLL_THOMSON_DTT759X] = &dvb_pll_thomson_dtt759x,
572 [DVB_PLL_THOMSON_DTT7520X] = &dvb_pll_thomson_dtt7520x,
573 [DVB_PLL_LG_Z201] = &dvb_pll_lg_z201,
574 [DVB_PLL_UNKNOWN_1] = &dvb_pll_unknown_1,
575 [DVB_PLL_TUA6010XS] = &dvb_pll_tua6010xs,
576 [DVB_PLL_ENV57H1XD5] = &dvb_pll_env57h1xd5,
577 [DVB_PLL_TUA6034] = &dvb_pll_tua6034,
578 [DVB_PLL_TDA665X] = &dvb_pll_tda665x,
579 [DVB_PLL_TDED4] = &dvb_pll_tded4,
580 [DVB_PLL_TDEE4] = &dvb_pll_alps_tdee4,
581 [DVB_PLL_TDHU2] = &dvb_pll_tdhu2,
582 [DVB_PLL_SAMSUNG_TBMV] = &dvb_pll_samsung_tbmv,
583 [DVB_PLL_PHILIPS_SD1878_TDA8261] = &dvb_pll_philips_sd1878_tda8261,
584 [DVB_PLL_OPERA1] = &dvb_pll_opera1,
585 [DVB_PLL_SAMSUNG_DTOS403IH102A] = &dvb_pll_samsung_dtos403ih102a,
586 [DVB_PLL_SAMSUNG_TDTC9251DH0] = &dvb_pll_samsung_tdtc9251dh0,
587 [DVB_PLL_SAMSUNG_TBDU18132] = &dvb_pll_samsung_tbdu18132,
588 [DVB_PLL_SAMSUNG_TBMU24112] = &dvb_pll_samsung_tbmu24112,
589 [DVB_PLL_TUA6034_FRIIO] = &dvb_pll_tua6034_friio,
590 [DVB_PLL_TDA665X_EARTH_PT1] = &dvb_pll_tda665x_earth_pt1,
591 };
592
593 /* ----------------------------------------------------------- */
594 /* code */
595
596 static int dvb_pll_configure(struct dvb_frontend *fe, u8 *buf,
597 const u32 frequency)
598 {
599 struct dvb_pll_priv *priv = fe->tuner_priv;
600 const struct dvb_pll_desc *desc = priv->pll_desc;
601 u32 div;
602 int i;
603
604 for (i = 0; i < desc->count; i++) {
605 if (frequency > desc->entries[i].limit)
606 continue;
607 break;
608 }
609
610 if (debug)
611 dprintk("pll: %s: freq=%d | i=%d/%d\n", desc->name,
612 frequency, i, desc->count);
613 if (i == desc->count)
614 return -EINVAL;
615
616 div = (frequency + desc->iffreq +
617 desc->entries[i].stepsize/2) / desc->entries[i].stepsize;
618 buf[0] = div >> 8;
619 buf[1] = div & 0xff;
620 buf[2] = desc->entries[i].config;
621 buf[3] = desc->entries[i].cb;
622
623 if (desc->set)
624 desc->set(fe, buf);
625
626 if (debug)
627 dprintk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n",
628 desc->name, div, buf[0], buf[1], buf[2], buf[3]);
629
630 // calculate the frequency we set it to
631 return (div * desc->entries[i].stepsize) - desc->iffreq;
632 }
633
634 static void dvb_pll_release(struct dvb_frontend *fe)
635 {
636 kfree(fe->tuner_priv);
637 fe->tuner_priv = NULL;
638 }
639
640 static int dvb_pll_sleep(struct dvb_frontend *fe)
641 {
642 struct dvb_pll_priv *priv = fe->tuner_priv;
643
644 if (priv->i2c == NULL)
645 return -EINVAL;
646
647 if (priv->pll_desc->sleepdata) {
648 struct i2c_msg msg = { .flags = 0,
649 .addr = priv->pll_i2c_address,
650 .buf = priv->pll_desc->sleepdata + 1,
651 .len = priv->pll_desc->sleepdata[0] };
652
653 int result;
654
655 if (fe->ops.i2c_gate_ctrl)
656 fe->ops.i2c_gate_ctrl(fe, 1);
657 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) {
658 return result;
659 }
660 return 0;
661 }
662 /* Shouldn't be called when initdata is NULL, maybe BUG()? */
663 return -EINVAL;
664 }
665
666 static int dvb_pll_set_params(struct dvb_frontend *fe)
667 {
668 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
669 struct dvb_pll_priv *priv = fe->tuner_priv;
670 u8 buf[4];
671 struct i2c_msg msg =
672 { .addr = priv->pll_i2c_address, .flags = 0,
673 .buf = buf, .len = sizeof(buf) };
674 int result;
675 u32 frequency = 0;
676
677 if (priv->i2c == NULL)
678 return -EINVAL;
679
680 result = dvb_pll_configure(fe, buf, c->frequency);
681 if (result < 0)
682 return result;
683 else
684 frequency = result;
685
686 if (fe->ops.i2c_gate_ctrl)
687 fe->ops.i2c_gate_ctrl(fe, 1);
688 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) {
689 return result;
690 }
691
692 priv->frequency = frequency;
693 priv->bandwidth = c->bandwidth_hz;
694
695 return 0;
696 }
697
698 static int dvb_pll_calc_regs(struct dvb_frontend *fe,
699 u8 *buf, int buf_len)
700 {
701 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
702 struct dvb_pll_priv *priv = fe->tuner_priv;
703 int result;
704 u32 frequency = 0;
705
706 if (buf_len < 5)
707 return -EINVAL;
708
709 result = dvb_pll_configure(fe, buf + 1, c->frequency);
710 if (result < 0)
711 return result;
712 else
713 frequency = result;
714
715 buf[0] = priv->pll_i2c_address;
716
717 priv->frequency = frequency;
718 priv->bandwidth = c->bandwidth_hz;
719
720 return 5;
721 }
722
723 static int dvb_pll_get_frequency(struct dvb_frontend *fe, u32 *frequency)
724 {
725 struct dvb_pll_priv *priv = fe->tuner_priv;
726 *frequency = priv->frequency;
727 return 0;
728 }
729
730 static int dvb_pll_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
731 {
732 struct dvb_pll_priv *priv = fe->tuner_priv;
733 *bandwidth = priv->bandwidth;
734 return 0;
735 }
736
737 static int dvb_pll_init(struct dvb_frontend *fe)
738 {
739 struct dvb_pll_priv *priv = fe->tuner_priv;
740
741 if (priv->i2c == NULL)
742 return -EINVAL;
743
744 if (priv->pll_desc->initdata) {
745 struct i2c_msg msg = { .flags = 0,
746 .addr = priv->pll_i2c_address,
747 .buf = priv->pll_desc->initdata + 1,
748 .len = priv->pll_desc->initdata[0] };
749
750 int result;
751 if (fe->ops.i2c_gate_ctrl)
752 fe->ops.i2c_gate_ctrl(fe, 1);
753 result = i2c_transfer(priv->i2c, &msg, 1);
754 if (result != 1)
755 return result;
756 if (priv->pll_desc->initdata2) {
757 msg.buf = priv->pll_desc->initdata2 + 1;
758 msg.len = priv->pll_desc->initdata2[0];
759 if (fe->ops.i2c_gate_ctrl)
760 fe->ops.i2c_gate_ctrl(fe, 1);
761 result = i2c_transfer(priv->i2c, &msg, 1);
762 if (result != 1)
763 return result;
764 }
765 return 0;
766 }
767 /* Shouldn't be called when initdata is NULL, maybe BUG()? */
768 return -EINVAL;
769 }
770
771 static const struct dvb_tuner_ops dvb_pll_tuner_ops = {
772 .release = dvb_pll_release,
773 .sleep = dvb_pll_sleep,
774 .init = dvb_pll_init,
775 .set_params = dvb_pll_set_params,
776 .calc_regs = dvb_pll_calc_regs,
777 .get_frequency = dvb_pll_get_frequency,
778 .get_bandwidth = dvb_pll_get_bandwidth,
779 };
780
781 struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr,
782 struct i2c_adapter *i2c,
783 unsigned int pll_desc_id)
784 {
785 u8 *b1;
786 struct i2c_msg msg = { .addr = pll_addr, .flags = I2C_M_RD, .len = 1 };
787 struct dvb_pll_priv *priv = NULL;
788 int ret;
789 const struct dvb_pll_desc *desc;
790 int nr;
791
792 b1 = kmalloc(1, GFP_KERNEL);
793 if (!b1)
794 return NULL;
795
796 b1[0] = 0;
797 msg.buf = b1;
798
799 nr = ida_simple_get(&pll_ida, 0, DVB_PLL_MAX, GFP_KERNEL);
800 if (nr < 0) {
801 kfree(b1);
802 return NULL;
803 }
804
805 if (id[nr] > DVB_PLL_UNDEFINED && id[nr] < ARRAY_SIZE(pll_list))
806 pll_desc_id = id[nr];
807
808 BUG_ON(pll_desc_id < 1 || pll_desc_id >= ARRAY_SIZE(pll_list));
809
810 desc = pll_list[pll_desc_id];
811
812 if (i2c != NULL) {
813 if (fe->ops.i2c_gate_ctrl)
814 fe->ops.i2c_gate_ctrl(fe, 1);
815
816 ret = i2c_transfer (i2c, &msg, 1);
817 if (ret != 1)
818 goto out;
819 if (fe->ops.i2c_gate_ctrl)
820 fe->ops.i2c_gate_ctrl(fe, 0);
821 }
822
823 priv = kzalloc(sizeof(struct dvb_pll_priv), GFP_KERNEL);
824 if (!priv)
825 goto out;
826
827 priv->pll_i2c_address = pll_addr;
828 priv->i2c = i2c;
829 priv->pll_desc = desc;
830 priv->nr = nr;
831
832 memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops,
833 sizeof(struct dvb_tuner_ops));
834
835 strscpy(fe->ops.tuner_ops.info.name, desc->name,
836 sizeof(fe->ops.tuner_ops.info.name));
837
838 fe->ops.tuner_ops.info.frequency_min_hz = desc->min;
839 fe->ops.tuner_ops.info.frequency_max_hz = desc->max;
840
841 dprintk("%s tuner, frequency range: %u...%u\n",
842 desc->name, desc->min, desc->max);
843
844 if (!desc->initdata)
845 fe->ops.tuner_ops.init = NULL;
846 if (!desc->sleepdata)
847 fe->ops.tuner_ops.sleep = NULL;
848
849 fe->tuner_priv = priv;
850
851 if ((debug) || (id[priv->nr] == pll_desc_id)) {
852 dprintk("dvb-pll[%d]", priv->nr);
853 if (i2c != NULL)
854 pr_cont(" %d-%04x", i2c_adapter_id(i2c), pll_addr);
855 pr_cont(": id# %d (%s) attached, %s\n", pll_desc_id, desc->name,
856 id[priv->nr] == pll_desc_id ?
857 "insmod option" : "autodetected");
858 }
859
860 kfree(b1);
861
862 return fe;
863 out:
864 kfree(b1);
865 ida_simple_remove(&pll_ida, nr);
866
867 return NULL;
868 }
869 EXPORT_SYMBOL(dvb_pll_attach);
870
871
872 static int
873 dvb_pll_probe(struct i2c_client *client, const struct i2c_device_id *id)
874 {
875 struct dvb_pll_config *cfg;
876 struct dvb_frontend *fe;
877 unsigned int desc_id;
878
879 cfg = client->dev.platform_data;
880 fe = cfg->fe;
881 i2c_set_clientdata(client, fe);
882 desc_id = (unsigned int) id->driver_data;
883
884 if (!dvb_pll_attach(fe, client->addr, client->adapter, desc_id))
885 return -ENOMEM;
886
887 /*
888 * Unset tuner_ops.release (== dvb_pll_release)
889 * which has been just set in the above dvb_pll_attach(),
890 * because if tuner_ops.release was left defined,
891 * this module would be 'put' twice on exit:
892 * once by dvb_frontend_detach() and another by dvb_module_release().
893 *
894 * dvb_pll_release is instead executed in the i2c driver's .remove(),
895 * keeping dvb_pll_attach untouched for legacy (dvb_attach) drivers.
896 */
897 fe->ops.tuner_ops.release = NULL;
898 dev_info(&client->dev, "DVB Simple Tuner attached.\n");
899 return 0;
900 }
901
902 static int dvb_pll_remove(struct i2c_client *client)
903 {
904 struct dvb_frontend *fe = i2c_get_clientdata(client);
905 struct dvb_pll_priv *priv = fe->tuner_priv;
906
907 ida_simple_remove(&pll_ida, priv->nr);
908 dvb_pll_release(fe);
909 return 0;
910 }
911
912
913 static const struct i2c_device_id dvb_pll_id[] = {
914 {"dtt7579", DVB_PLL_THOMSON_DTT7579},
915 {"dtt759x", DVB_PLL_THOMSON_DTT759X},
916 {"z201", DVB_PLL_LG_Z201},
917 {"unknown_1", DVB_PLL_UNKNOWN_1},
918 {"tua6010xs", DVB_PLL_TUA6010XS},
919 {"env57h1xd5", DVB_PLL_ENV57H1XD5},
920 {"tua6034", DVB_PLL_TUA6034},
921 {"tda665x", DVB_PLL_TDA665X},
922 {"tded4", DVB_PLL_TDED4},
923 {"tdhu2", DVB_PLL_TDHU2},
924 {"tbmv", DVB_PLL_SAMSUNG_TBMV},
925 {"sd1878_tda8261", DVB_PLL_PHILIPS_SD1878_TDA8261},
926 {"opera1", DVB_PLL_OPERA1},
927 {"dtos403ih102a", DVB_PLL_SAMSUNG_DTOS403IH102A},
928 {"tdtc9251dh0", DVB_PLL_SAMSUNG_TDTC9251DH0},
929 {"tbdu18132", DVB_PLL_SAMSUNG_TBDU18132},
930 {"tbmu24112", DVB_PLL_SAMSUNG_TBMU24112},
931 {"tdee4", DVB_PLL_TDEE4},
932 {"dtt7520x", DVB_PLL_THOMSON_DTT7520X},
933 {"tua6034_friio", DVB_PLL_TUA6034_FRIIO},
934 {"tda665x_earthpt1", DVB_PLL_TDA665X_EARTH_PT1},
935 {}
936 };
937
938
939 MODULE_DEVICE_TABLE(i2c, dvb_pll_id);
940
941 static struct i2c_driver dvb_pll_driver = {
942 .driver = {
943 .name = "dvb_pll",
944 },
945 .probe = dvb_pll_probe,
946 .remove = dvb_pll_remove,
947 .id_table = dvb_pll_id,
948 };
949
950 module_i2c_driver(dvb_pll_driver);
951
952 MODULE_DESCRIPTION("dvb pll library");
953 MODULE_AUTHOR("Gerd Knorr");
954 MODULE_LICENSE("GPL");
Linux with added FPC-III support