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V4L/DVB (4027): Fixes after dvb_tuner_ops-conversion
[net-next-2.6.git] / drivers / media / dvb / frontends / stv0299.c
CommitLineData
1da177e4
LT		 1/*
2 Driver for ST STV0299 demodulator
3
4 Copyright (C) 2001-2002 Convergence Integrated Media GmbH
5 <ralph@convergence.de>,
6 <holger@convergence.de>,
7 <js@convergence.de>
8
9
10 Philips SU1278/SH
11
12 Copyright (C) 2002 by Peter Schildmann <peter.schildmann@web.de>
13
14
15 LG TDQF-S001F
16
17 Copyright (C) 2002 Felix Domke <tmbinc@elitedvb.net>
18 & Andreas Oberritter <obi@linuxtv.org>
19
20
21 Support for Samsung TBMU24112IMB used on Technisat SkyStar2 rev. 2.6B
22
23 Copyright (C) 2003 Vadim Catana <skystar@moldova.cc>:
24
25 Support for Philips SU1278 on Technotrend hardware
26
27 Copyright (C) 2004 Andrew de Quincey <adq_dvb@lidskialf.net>
28
29 This program is free software; you can redistribute it and/or modify
30 it under the terms of the GNU General Public License as published by
31 the Free Software Foundation; either version 2 of the License, or
32 (at your option) any later version.
33
34 This program is distributed in the hope that it will be useful,
35 but WITHOUT ANY WARRANTY; without even the implied warranty of
36 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
37 GNU General Public License for more details.
38
39 You should have received a copy of the GNU General Public License
40 along with this program; if not, write to the Free Software
41 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
42
43*/
44
45#include <linux/init.h>
46#include <linux/kernel.h>
47#include <linux/module.h>
48#include <linux/moduleparam.h>
49#include <linux/string.h>
50#include <linux/slab.h>
4e57b681 51#include <linux/jiffies.h>
1da177e4
LT		 52#include <asm/div64.h>
53
54#include "dvb_frontend.h"
55#include "stv0299.h"
56
57struct stv0299_state {
58 struct i2c_adapter* i2c;
59 struct dvb_frontend_ops ops;
60 const struct stv0299_config* config;
61 struct dvb_frontend frontend;
62
63 u8 initialised:1;
64 u32 tuner_frequency;
65 u32 symbol_rate;
66 fe_code_rate_t fec_inner;
37650221 67 int errmode;
1da177e4
LT		 68};
69
37650221
AQ		 70#define STATUS_BER 0
71#define STATUS_UCBLOCKS 1
72
1da177e4 73static int debug;
591ad98d 74static int debug_legacy_dish_switch;
1da177e4
LT		 75#define dprintk(args...) \
76 do { \
77 if (debug) printk(KERN_DEBUG "stv0299: " args); \
78 } while (0)
79
80
81static int stv0299_writeregI (struct stv0299_state* state, u8 reg, u8 data)
82{
83 int ret;
84 u8 buf [] = { reg, data };
85 struct i2c_msg msg = { .addr = state->config->demod_address, .flags = 0, .buf = buf, .len = 2 };
86
87 ret = i2c_transfer (state->i2c, &msg, 1);
88
89 if (ret != 1)
90 dprintk("%s: writereg error (reg == 0x%02x, val == 0x%02x, "
91 "ret == %i)\n", __FUNCTION__, reg, data, ret);
92
93 return (ret != 1) ? -EREMOTEIO : 0;
94}
95
96int stv0299_writereg (struct dvb_frontend* fe, u8 reg, u8 data)
97{
9101e622 98 struct stv0299_state* state = fe->demodulator_priv;
1da177e4
LT		 99
100 return stv0299_writeregI(state, reg, data);
101}
102
103static u8 stv0299_readreg (struct stv0299_state* state, u8 reg)
104{
105 int ret;
106 u8 b0 [] = { reg };
107 u8 b1 [] = { 0 };
108 struct i2c_msg msg [] = { { .addr = state->config->demod_address, .flags = 0, .buf = b0, .len = 1 },
109 { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b1, .len = 1 } };
110
111 ret = i2c_transfer (state->i2c, msg, 2);
112
113 if (ret != 2)
114 dprintk("%s: readreg error (reg == 0x%02x, ret == %i)\n",
115 __FUNCTION__, reg, ret);
116
117 return b1[0];
118}
119
120static int stv0299_readregs (struct stv0299_state* state, u8 reg1, u8 *b, u8 len)
121{
122 int ret;
123 struct i2c_msg msg [] = { { .addr = state->config->demod_address, .flags = 0, .buf = &reg1, .len = 1 },
124 { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b, .len = len } };
125
126 ret = i2c_transfer (state->i2c, msg, 2);
127
128 if (ret != 2)
129 dprintk("%s: readreg error (ret == %i)\n", __FUNCTION__, ret);
130
131 return ret == 2 ? 0 : ret;
132}
133
134static int stv0299_set_FEC (struct stv0299_state* state, fe_code_rate_t fec)
135{
136 dprintk ("%s\n", __FUNCTION__);
137
138 switch (fec) {
139 case FEC_AUTO:
140 {
141 return stv0299_writeregI (state, 0x31, 0x1f);
142 }
143 case FEC_1_2:
144 {
145 return stv0299_writeregI (state, 0x31, 0x01);
146 }
147 case FEC_2_3:
148 {
149 return stv0299_writeregI (state, 0x31, 0x02);
150 }
151 case FEC_3_4:
152 {
153 return stv0299_writeregI (state, 0x31, 0x04);
154 }
155 case FEC_5_6:
156 {
157 return stv0299_writeregI (state, 0x31, 0x08);
158 }
159 case FEC_7_8:
160 {
161 return stv0299_writeregI (state, 0x31, 0x10);
162 }
163 default:
164 {
165 return -EINVAL;
166 }
167 }
168}
169
170static fe_code_rate_t stv0299_get_fec (struct stv0299_state* state)
171{
172 static fe_code_rate_t fec_tab [] = { FEC_2_3, FEC_3_4, FEC_5_6,
173 FEC_7_8, FEC_1_2 };
174 u8 index;
175
176 dprintk ("%s\n", __FUNCTION__);
177
178 index = stv0299_readreg (state, 0x1b);
179 index &= 0x7;
180
181 if (index > 4)
182 return FEC_AUTO;
183
184 return fec_tab [index];
185}
186
187static int stv0299_wait_diseqc_fifo (struct stv0299_state* state, int timeout)
188{
189 unsigned long start = jiffies;
190
191 dprintk ("%s\n", __FUNCTION__);
192
193 while (stv0299_readreg(state, 0x0a) & 1) {
194 if (jiffies - start > timeout) {
195 dprintk ("%s: timeout!!\n", __FUNCTION__);
196 return -ETIMEDOUT;
197 }
198 msleep(10);
199 };
200
201 return 0;
202}
203
204static int stv0299_wait_diseqc_idle (struct stv0299_state* state, int timeout)
205{
206 unsigned long start = jiffies;
207
208 dprintk ("%s\n", __FUNCTION__);
209
210 while ((stv0299_readreg(state, 0x0a) & 3) != 2 ) {
211 if (jiffies - start > timeout) {
212 dprintk ("%s: timeout!!\n", __FUNCTION__);
213 return -ETIMEDOUT;
214 }
215 msleep(10);
216 };
217
218 return 0;
219}
220
221static int stv0299_set_symbolrate (struct dvb_frontend* fe, u32 srate)
222{
9101e622 223 struct stv0299_state* state = fe->demodulator_priv;
1da177e4
LT		 224 u64 big = srate;
225 u32 ratio;
226
227 // check rate is within limits
228 if ((srate < 1000000) || (srate > 45000000)) return -EINVAL;
229
230 // calculate value to program
231 big = big << 20;
232 big += (state->config->mclk-1); // round correctly
233 do_div(big, state->config->mclk);
234 ratio = big << 4;
235
236 return state->config->set_symbol_rate(fe, srate, ratio);
237}
238
239static int stv0299_get_symbolrate (struct stv0299_state* state)
240{
241 u32 Mclk = state->config->mclk / 4096L;
242 u32 srate;
243 s32 offset;
244 u8 sfr[3];
245 s8 rtf;
246
247 dprintk ("%s\n", __FUNCTION__);
248
249 stv0299_readregs (state, 0x1f, sfr, 3);
250 stv0299_readregs (state, 0x1a, &rtf, 1);
251
252 srate = (sfr[0] << 8) | sfr[1];
253 srate *= Mclk;
254 srate /= 16;
255 srate += (sfr[2] >> 4) * Mclk / 256;
256 offset = (s32) rtf * (srate / 4096L);
257 offset /= 128;
258
259 dprintk ("%s : srate = %i\n", __FUNCTION__, srate);
260 dprintk ("%s : ofset = %i\n", __FUNCTION__, offset);
261
262 srate += offset;
263
264 srate += 1000;
265 srate /= 2000;
266 srate *= 2000;
267
268 return srate;
269}
270
271static int stv0299_send_diseqc_msg (struct dvb_frontend* fe,
272 struct dvb_diseqc_master_cmd *m)
273{
9101e622 274 struct stv0299_state* state = fe->demodulator_priv;
1da177e4
LT		 275 u8 val;
276 int i;
277
278 dprintk ("%s\n", __FUNCTION__);
279
280 if (stv0299_wait_diseqc_idle (state, 100) < 0)
281 return -ETIMEDOUT;
282
283 val = stv0299_readreg (state, 0x08);
284
285 if (stv0299_writeregI (state, 0x08, (val & ~0x7) | 0x6)) /* DiSEqC mode */
286 return -EREMOTEIO;
287
288 for (i=0; i<m->msg_len; i++) {
289 if (stv0299_wait_diseqc_fifo (state, 100) < 0)
290 return -ETIMEDOUT;
291
292 if (stv0299_writeregI (state, 0x09, m->msg[i]))
293 return -EREMOTEIO;
294 }
295
296 if (stv0299_wait_diseqc_idle (state, 100) < 0)
297 return -ETIMEDOUT;
298
299 return 0;
300}
301
302static int stv0299_send_diseqc_burst (struct dvb_frontend* fe, fe_sec_mini_cmd_t burst)
303{
9101e622 304 struct stv0299_state* state = fe->demodulator_priv;
1da177e4
LT		 305 u8 val;
306
307 dprintk ("%s\n", __FUNCTION__);
308
309 if (stv0299_wait_diseqc_idle (state, 100) < 0)
310 return -ETIMEDOUT;
311
312 val = stv0299_readreg (state, 0x08);
313
314 if (stv0299_writeregI (state, 0x08, (val & ~0x7) | 0x2)) /* burst mode */
315 return -EREMOTEIO;
316
317 if (stv0299_writeregI (state, 0x09, burst == SEC_MINI_A ? 0x00 : 0xff))
318 return -EREMOTEIO;
319
320 if (stv0299_wait_diseqc_idle (state, 100) < 0)
321 return -ETIMEDOUT;
322
323 if (stv0299_writeregI (state, 0x08, val))
324 return -EREMOTEIO;
325
326 return 0;
327}
328
329static int stv0299_set_tone (struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
330{
9101e622 331 struct stv0299_state* state = fe->demodulator_priv;
1da177e4
LT		 332 u8 val;
333
334 if (stv0299_wait_diseqc_idle (state, 100) < 0)
335 return -ETIMEDOUT;
336
337 val = stv0299_readreg (state, 0x08);
338
339 switch (tone) {
340 case SEC_TONE_ON:
341 return stv0299_writeregI (state, 0x08, val | 0x3);
342
343 case SEC_TONE_OFF:
344 return stv0299_writeregI (state, 0x08, (val & ~0x3) | 0x02);
345
346 default:
347 return -EINVAL;
348 }
349}
350
351static int stv0299_set_voltage (struct dvb_frontend* fe, fe_sec_voltage_t voltage)
352{
9101e622 353 struct stv0299_state* state = fe->demodulator_priv;
1da177e4
LT		 354 u8 reg0x08;
355 u8 reg0x0c;
356
357 dprintk("%s: %s\n", __FUNCTION__,
358 voltage == SEC_VOLTAGE_13 ? "SEC_VOLTAGE_13" :
359 voltage == SEC_VOLTAGE_18 ? "SEC_VOLTAGE_18" : "??");
360
361 reg0x08 = stv0299_readreg (state, 0x08);
362 reg0x0c = stv0299_readreg (state, 0x0c);
363
364 /**
365 * H/V switching over OP0, OP1 and OP2 are LNB power enable bits
366 */
367 reg0x0c &= 0x0f;
368
369 if (voltage == SEC_VOLTAGE_OFF) {
370 stv0299_writeregI (state, 0x0c, 0x00); /* LNB power off! */
371 return stv0299_writeregI (state, 0x08, 0x00); /* LNB power off! */
372 }
373
374 stv0299_writeregI (state, 0x08, (reg0x08 & 0x3f) | (state->config->lock_output << 6));
375
376 switch (voltage) {
377 case SEC_VOLTAGE_13:
378 if (state->config->volt13_op0_op1 == STV0299_VOLT13_OP0) reg0x0c |= 0x10;
379 else reg0x0c |= 0x40;
380
381 return stv0299_writeregI(state, 0x0c, reg0x0c);
382
383 case SEC_VOLTAGE_18:
384 return stv0299_writeregI(state, 0x0c, reg0x0c | 0x50);
385 default:
386 return -EINVAL;
387 };
388}
389
400b7083 390static int stv0299_send_legacy_dish_cmd (struct dvb_frontend* fe, unsigned long cmd)
591ad98d
JS		 391{
392 struct stv0299_state* state = fe->demodulator_priv;
393 u8 reg0x08;
394 u8 reg0x0c;
395 u8 lv_mask = 0x40;
1da177e4
LT		 396 u8 last = 1;
397 int i;
591ad98d
JS		 398 struct timeval nexttime;
399 struct timeval tv[10];
1da177e4 400
591ad98d
JS		 401 reg0x08 = stv0299_readreg (state, 0x08);
402 reg0x0c = stv0299_readreg (state, 0x0c);
403 reg0x0c &= 0x0f;
404 stv0299_writeregI (state, 0x08, (reg0x08 & 0x3f) | (state->config->lock_output << 6));
405 if (state->config->volt13_op0_op1 == STV0299_VOLT13_OP0)
406 lv_mask = 0x10;
1da177e4
LT		 407
408 cmd = cmd << 1;
591ad98d 409 if (debug_legacy_dish_switch)
400b7083 410 printk ("%s switch command: 0x%04lx\n",__FUNCTION__, cmd);
591ad98d
JS		 411
412 do_gettimeofday (&nexttime);
413 if (debug_legacy_dish_switch)
414 memcpy (&tv[0], &nexttime, sizeof (struct timeval));
415 stv0299_writeregI (state, 0x0c, reg0x0c | 0x50); /* set LNB to 18V */
1da177e4 416
83b75b04 417 dvb_frontend_sleep_until(&nexttime, 32000);
1da177e4
LT		 418
419 for (i=0; i<9; i++) {
591ad98d
JS		 420 if (debug_legacy_dish_switch)
421 do_gettimeofday (&tv[i+1]);
1da177e4 422 if((cmd & 0x01) != last) {
591ad98d
JS		 423 /* set voltage to (last ? 13V : 18V) */
424 stv0299_writeregI (state, 0x0c, reg0x0c | (last ? lv_mask : 0x50));
1da177e4
LT		 425 last = (last) ? 0 : 1;
426 }
427
428 cmd = cmd >> 1;
429
430 if (i != 8)
83b75b04 431 dvb_frontend_sleep_until(&nexttime, 8000);
591ad98d
JS		 432 }
433 if (debug_legacy_dish_switch) {
434 printk ("%s(%d): switch delay (should be 32k followed by all 8k\n",
435 __FUNCTION__, fe->dvb->num);
83b75b04
N		 436 for (i = 1; i < 10; i++)
437 printk ("%d: %d\n", i, timeval_usec_diff(tv[i-1] , tv[i]));
1da177e4
LT		 438 }
439
440 return 0;
441}
442
443static int stv0299_init (struct dvb_frontend* fe)
444{
9101e622 445 struct stv0299_state* state = fe->demodulator_priv;
1da177e4
LT		 446 int i;
447
448 dprintk("stv0299: init chip\n");
449
450 for (i=0; !(state->config->inittab[i] == 0xff && state->config->inittab[i+1] == 0xff); i+=2)
451 stv0299_writeregI(state, state->config->inittab[i], state->config->inittab[i+1]);
452
1da177e4
LT		 453 return 0;
454}
455
456static int stv0299_read_status(struct dvb_frontend* fe, fe_status_t* status)
457{
9101e622 458 struct stv0299_state* state = fe->demodulator_priv;
1da177e4
LT		 459
460 u8 signal = 0xff - stv0299_readreg (state, 0x18);
461 u8 sync = stv0299_readreg (state, 0x1b);
462
463 dprintk ("%s : FE_READ_STATUS : VSTATUS: 0x%02x\n", __FUNCTION__, sync);
464 *status = 0;
465
466 if (signal > 10)
467 *status |= FE_HAS_SIGNAL;
468
469 if (sync & 0x80)
470 *status |= FE_HAS_CARRIER;
471
472 if (sync & 0x10)
473 *status |= FE_HAS_VITERBI;
474
475 if (sync & 0x08)
476 *status |= FE_HAS_SYNC;
477
478 if ((sync & 0x98) == 0x98)
479 *status |= FE_HAS_LOCK;
480
481 return 0;
482}
483
484static int stv0299_read_ber(struct dvb_frontend* fe, u32* ber)
485{
9101e622 486 struct stv0299_state* state = fe->demodulator_priv;
1da177e4 487
37650221 488 if (state->errmode != STATUS_BER) return 0;
1da177e4
LT		 489 *ber = (stv0299_readreg (state, 0x1d) << 8) | stv0299_readreg (state, 0x1e);
490
491 return 0;
492}
493
494static int stv0299_read_signal_strength(struct dvb_frontend* fe, u16* strength)
495{
9101e622 496 struct stv0299_state* state = fe->demodulator_priv;
1da177e4
LT		 497
498 s32 signal = 0xffff - ((stv0299_readreg (state, 0x18) << 8)
499 | stv0299_readreg (state, 0x19));
500
501 dprintk ("%s : FE_READ_SIGNAL_STRENGTH : AGC2I: 0x%02x%02x, signal=0x%04x\n", __FUNCTION__,
502 stv0299_readreg (state, 0x18),
503 stv0299_readreg (state, 0x19), (int) signal);
504
505 signal = signal * 5 / 4;
506 *strength = (signal > 0xffff) ? 0xffff : (signal < 0) ? 0 : signal;
507
508 return 0;
509}
510
511static int stv0299_read_snr(struct dvb_frontend* fe, u16* snr)
512{
9101e622 513 struct stv0299_state* state = fe->demodulator_priv;
1da177e4
LT		 514
515 s32 xsnr = 0xffff - ((stv0299_readreg (state, 0x24) << 8)
516 | stv0299_readreg (state, 0x25));
517 xsnr = 3 * (xsnr - 0xa100);
518 *snr = (xsnr > 0xffff) ? 0xffff : (xsnr < 0) ? 0 : xsnr;
519
520 return 0;
521}
522
523static int stv0299_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
524{
9101e622 525 struct stv0299_state* state = fe->demodulator_priv;
1da177e4 526
37650221
AQ		 527 if (state->errmode != STATUS_UCBLOCKS) *ucblocks = 0;
528 else *ucblocks = (stv0299_readreg (state, 0x1d) << 8) | stv0299_readreg (state, 0x1e);
1da177e4
LT		 529
530 return 0;
531}
532
533static int stv0299_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters * p)
534{
9101e622 535 struct stv0299_state* state = fe->demodulator_priv;
1da177e4
LT		 536 int invval = 0;
537
538 dprintk ("%s : FE_SET_FRONTEND\n", __FUNCTION__);
539
540 // set the inversion
541 if (p->inversion == INVERSION_OFF) invval = 0;
542 else if (p->inversion == INVERSION_ON) invval = 1;
543 else {
544 printk("stv0299 does not support auto-inversion\n");
545 return -EINVAL;
546 }
547 if (state->config->invert) invval = (~invval) & 1;
548 stv0299_writeregI(state, 0x0c, (stv0299_readreg(state, 0x0c) & 0xfe) | invval);
549
53a8ee3e
AQ		 550 if (fe->ops->tuner_ops.set_params) {
551 fe->ops->tuner_ops.set_params(fe, p);
552 if (fe->ops->i2c_gate_ctrl) fe->ops->i2c_gate_ctrl(fe, 0);
553 }
3528cc4e
AQ		 554
555 stv0299_set_FEC (state, p->u.qpsk.fec_inner);
556 stv0299_set_symbolrate (fe, p->u.qpsk.symbol_rate);
557 stv0299_writeregI(state, 0x22, 0x00);
558 stv0299_writeregI(state, 0x23, 0x00);
1da177e4
LT		 559
560 state->tuner_frequency = p->frequency;
561 state->fec_inner = p->u.qpsk.fec_inner;
562 state->symbol_rate = p->u.qpsk.symbol_rate;
563
564 return 0;
565}
566
567static int stv0299_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters * p)
568{
9101e622 569 struct stv0299_state* state = fe->demodulator_priv;
1da177e4
LT		 570 s32 derot_freq;
571 int invval;
572
573 derot_freq = (s32)(s16) ((stv0299_readreg (state, 0x22) << 8)
574 | stv0299_readreg (state, 0x23));
575
576 derot_freq *= (state->config->mclk >> 16);
577 derot_freq += 500;
578 derot_freq /= 1000;
579
580 p->frequency += derot_freq;
581
582 invval = stv0299_readreg (state, 0x0c) & 1;
583 if (state->config->invert) invval = (~invval) & 1;
584 p->inversion = invval ? INVERSION_ON : INVERSION_OFF;
585
586 p->u.qpsk.fec_inner = stv0299_get_fec (state);
587 p->u.qpsk.symbol_rate = stv0299_get_symbolrate (state);
588
589 return 0;
590}
591
592static int stv0299_sleep(struct dvb_frontend* fe)
593{
9101e622 594 struct stv0299_state* state = fe->demodulator_priv;
1da177e4
LT		 595
596 stv0299_writeregI(state, 0x02, 0x80);
597 state->initialised = 0;
598
599 return 0;
600}
601
53a8ee3e
AQ		 602static int stv0299_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
603{
604 struct stv0299_state* state = fe->demodulator_priv;
605
606 if (enable) {
a9686e0d 607 stv0299_writeregI(state, 0x05, 0xb5);
53a8ee3e 608 } else {
a9686e0d 609 stv0299_writeregI(state, 0x05, 0x35);
53a8ee3e 610 }
a9686e0d
AQ		 611 udelay(1);
612 return 0;
53a8ee3e
AQ		 613}
614
1da177e4
LT		 615static int stv0299_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fesettings)
616{
9101e622 617 struct stv0299_state* state = fe->demodulator_priv;
1da177e4
LT		 618
619 fesettings->min_delay_ms = state->config->min_delay_ms;
620 if (fesettings->parameters.u.qpsk.symbol_rate < 10000000) {
621 fesettings->step_size = fesettings->parameters.u.qpsk.symbol_rate / 32000;
622 fesettings->max_drift = 5000;
623 } else {
624 fesettings->step_size = fesettings->parameters.u.qpsk.symbol_rate / 16000;
625 fesettings->max_drift = fesettings->parameters.u.qpsk.symbol_rate / 2000;
626 }
627 return 0;
628}
629
630static void stv0299_release(struct dvb_frontend* fe)
631{
b8742700 632 struct stv0299_state* state = fe->demodulator_priv;
1da177e4
LT		 633 kfree(state);
634}
635
636static struct dvb_frontend_ops stv0299_ops;
637
638struct dvb_frontend* stv0299_attach(const struct stv0299_config* config,
639 struct i2c_adapter* i2c)
640{
641 struct stv0299_state* state = NULL;
642 int id;
643
644 /* allocate memory for the internal state */
b8742700 645 state = kmalloc(sizeof(struct stv0299_state), GFP_KERNEL);
1da177e4
LT		 646 if (state == NULL) goto error;
647
648 /* setup the state */
649 state->config = config;
650 state->i2c = i2c;
651 memcpy(&state->ops, &stv0299_ops, sizeof(struct dvb_frontend_ops));
652 state->initialised = 0;
653 state->tuner_frequency = 0;
654 state->symbol_rate = 0;
655 state->fec_inner = 0;
37650221 656 state->errmode = STATUS_BER;
1da177e4
LT		 657
658 /* check if the demod is there */
659 stv0299_writeregI(state, 0x02, 0x34); /* standby off */
660 msleep(200);
661 id = stv0299_readreg(state, 0x00);
662
663 /* register 0x00 contains 0xa1 for STV0299 and STV0299B */
664 /* register 0x00 might contain 0x80 when returning from standby */
665 if (id != 0xa1 && id != 0x80) goto error;
666
667 /* create dvb_frontend */
668 state->frontend.ops = &state->ops;
9101e622 669 state->frontend.demodulator_priv = state;
1da177e4
LT		 670 return &state->frontend;
671
672error:
673 kfree(state);
674 return NULL;
675}
676
677static struct dvb_frontend_ops stv0299_ops = {
678
679 .info = {
680 .name = "ST STV0299 DVB-S",
681 .type = FE_QPSK,
682 .frequency_min = 950000,
683 .frequency_max = 2150000,
684 .frequency_stepsize = 125, /* kHz for QPSK frontends */
685 .frequency_tolerance = 0,
686 .symbol_rate_min = 1000000,
687 .symbol_rate_max = 45000000,
688 .symbol_rate_tolerance = 500, /* ppm */
689 .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
690 FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 |
691 FE_CAN_QPSK |
692 FE_CAN_FEC_AUTO
693 },
694
695 .release = stv0299_release,
696
697 .init = stv0299_init,
698 .sleep = stv0299_sleep,
53a8ee3e 699 .i2c_gate_ctrl = stv0299_i2c_gate_ctrl,
1da177e4
LT		 700
701 .set_frontend = stv0299_set_frontend,
702 .get_frontend = stv0299_get_frontend,
703 .get_tune_settings = stv0299_get_tune_settings,
704
705 .read_status = stv0299_read_status,
706 .read_ber = stv0299_read_ber,
707 .read_signal_strength = stv0299_read_signal_strength,
708 .read_snr = stv0299_read_snr,
709 .read_ucblocks = stv0299_read_ucblocks,
710
711 .diseqc_send_master_cmd = stv0299_send_diseqc_msg,
712 .diseqc_send_burst = stv0299_send_diseqc_burst,
713 .set_tone = stv0299_set_tone,
714 .set_voltage = stv0299_set_voltage,
715 .dishnetwork_send_legacy_command = stv0299_send_legacy_dish_cmd,
716};
717
591ad98d
JS		 718module_param(debug_legacy_dish_switch, int, 0444);
719MODULE_PARM_DESC(debug_legacy_dish_switch, "Enable timing analysis for Dish Network legacy switches");
720
1da177e4
LT		 721module_param(debug, int, 0644);
722MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
723
724MODULE_DESCRIPTION("ST STV0299 DVB Demodulator driver");
725MODULE_AUTHOR("Ralph Metzler, Holger Waechtler, Peter Schildmann, Felix Domke, "
53a8ee3e 726 "Andreas Oberritter, Andrew de Quincey, Kenneth Aafly");
1da177e4
LT		 727MODULE_LICENSE("GPL");
728
729EXPORT_SYMBOL(stv0299_writereg);
730EXPORT_SYMBOL(stv0299_attach);
Clone of davem's net-next-2.6 tree