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/string.h>
49#include <linux/slab.h>
50#include <linux/jiffies.h>
51#include <asm/div64.h>
52
53#include "dvb_frontend.h"
54#include "stv0299.h"
55
56struct stv0299_state {
57	struct i2c_adapter* i2c;
58	const struct stv0299_config* config;
59	struct dvb_frontend frontend;
60
61	u8 initialised:1;
62	u32 tuner_frequency;
63	u32 symbol_rate;
64	fe_code_rate_t fec_inner;
65	int errmode;
66	u32 ucblocks;
67	u8 mcr_reg;
68};
69
70#define STATUS_BER 0
71#define STATUS_UCBLOCKS 1
72
73static int debug;
74static int debug_legacy_dish_switch;
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", __func__, reg, data, ret);
92
93	return (ret != 1) ? -EREMOTEIO : 0;
94}
95
96static int stv0299_write(struct dvb_frontend* fe, const u8 buf[], int len)
97{
98	struct stv0299_state* state = fe->demodulator_priv;
99
100	if (len != 2)
101		return -EINVAL;
102
103	return stv0299_writeregI(state, buf[0], buf[1]);
104}
105
106static u8 stv0299_readreg (struct stv0299_state* state, u8 reg)
107{
108	int ret;
109	u8 b0 [] = { reg };
110	u8 b1 [] = { 0 };
111	struct i2c_msg msg [] = { { .addr = state->config->demod_address, .flags = 0, .buf = b0, .len = 1 },
112			   { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b1, .len = 1 } };
113
114	ret = i2c_transfer (state->i2c, msg, 2);
115
116	if (ret != 2)
117		dprintk("%s: readreg error (reg == 0x%02x, ret == %i)\n",
118				__func__, reg, ret);
119
120	return b1[0];
121}
122
123static int stv0299_readregs (struct stv0299_state* state, u8 reg1, u8 *b, u8 len)
124{
125	int ret;
126	struct i2c_msg msg [] = { { .addr = state->config->demod_address, .flags = 0, .buf = &reg1, .len = 1 },
127			   { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b, .len = len } };
128
129	ret = i2c_transfer (state->i2c, msg, 2);
130
131	if (ret != 2)
132		dprintk("%s: readreg error (ret == %i)\n", __func__, ret);
133
134	return ret == 2 ? 0 : ret;
135}
136
137static int stv0299_set_FEC (struct stv0299_state* state, fe_code_rate_t fec)
138{
139	dprintk ("%s\n", __func__);
140
141	switch (fec) {
142	case FEC_AUTO:
143	{
144		return stv0299_writeregI (state, 0x31, 0x1f);
145	}
146	case FEC_1_2:
147	{
148		return stv0299_writeregI (state, 0x31, 0x01);
149	}
150	case FEC_2_3:
151	{
152		return stv0299_writeregI (state, 0x31, 0x02);
153	}
154	case FEC_3_4:
155	{
156		return stv0299_writeregI (state, 0x31, 0x04);
157	}
158	case FEC_5_6:
159	{
160		return stv0299_writeregI (state, 0x31, 0x08);
161	}
162	case FEC_7_8:
163	{
164		return stv0299_writeregI (state, 0x31, 0x10);
165	}
166	default:
167	{
168		return -EINVAL;
169	}
170    }
171}
172
173static fe_code_rate_t stv0299_get_fec (struct stv0299_state* state)
174{
175	static fe_code_rate_t fec_tab [] = { FEC_2_3, FEC_3_4, FEC_5_6,
176					     FEC_7_8, FEC_1_2 };
177	u8 index;
178
179	dprintk ("%s\n", __func__);
180
181	index = stv0299_readreg (state, 0x1b);
182	index &= 0x7;
183
184	if (index > 4)
185		return FEC_AUTO;
186
187	return fec_tab [index];
188}
189
190static int stv0299_wait_diseqc_fifo (struct stv0299_state* state, int timeout)
191{
192	unsigned long start = jiffies;
193
194	dprintk ("%s\n", __func__);
195
196	while (stv0299_readreg(state, 0x0a) & 1) {
197		if (jiffies - start > timeout) {
198			dprintk ("%s: timeout!!\n", __func__);
199			return -ETIMEDOUT;
200		}
201		msleep(10);
202	}
203
204	return 0;
205}
206
207static int stv0299_wait_diseqc_idle (struct stv0299_state* state, int timeout)
208{
209	unsigned long start = jiffies;
210
211	dprintk ("%s\n", __func__);
212
213	while ((stv0299_readreg(state, 0x0a) & 3) != 2 ) {
214		if (jiffies - start > timeout) {
215			dprintk ("%s: timeout!!\n", __func__);
216			return -ETIMEDOUT;
217		}
218		msleep(10);
219	}
220
221	return 0;
222}
223
224static int stv0299_set_symbolrate (struct dvb_frontend* fe, u32 srate)
225{
226	struct stv0299_state* state = fe->demodulator_priv;
227	u64 big = srate;
228	u32 ratio;
229
230	// check rate is within limits
231	if ((srate < 1000000) || (srate > 45000000)) return -EINVAL;
232
233	// calculate value to program
234	big = big << 20;
235	big += (state->config->mclk-1); // round correctly
236	do_div(big, state->config->mclk);
237	ratio = big << 4;
238
239	return state->config->set_symbol_rate(fe, srate, ratio);
240}
241
242static int stv0299_get_symbolrate (struct stv0299_state* state)
243{
244	u32 Mclk = state->config->mclk / 4096L;
245	u32 srate;
246	s32 offset;
247	u8 sfr[3];
248	s8 rtf;
249
250	dprintk ("%s\n", __func__);
251
252	stv0299_readregs (state, 0x1f, sfr, 3);
253	stv0299_readregs (state, 0x1a, (u8 *)&rtf, 1);
254
255	srate = (sfr[0] << 8) | sfr[1];
256	srate *= Mclk;
257	srate /= 16;
258	srate += (sfr[2] >> 4) * Mclk / 256;
259	offset = (s32) rtf * (srate / 4096L);
260	offset /= 128;
261
262	dprintk ("%s : srate = %i\n", __func__, srate);
263	dprintk ("%s : ofset = %i\n", __func__, offset);
264
265	srate += offset;
266
267	srate += 1000;
268	srate /= 2000;
269	srate *= 2000;
270
271	return srate;
272}
273
274static int stv0299_send_diseqc_msg (struct dvb_frontend* fe,
275				    struct dvb_diseqc_master_cmd *m)
276{
277	struct stv0299_state* state = fe->demodulator_priv;
278	u8 val;
279	int i;
280
281	dprintk ("%s\n", __func__);
282
283	if (stv0299_wait_diseqc_idle (state, 100) < 0)
284		return -ETIMEDOUT;
285
286	val = stv0299_readreg (state, 0x08);
287
288	if (stv0299_writeregI (state, 0x08, (val & ~0x7) | 0x6))  /* DiSEqC mode */
289		return -EREMOTEIO;
290
291	for (i=0; i<m->msg_len; i++) {
292		if (stv0299_wait_diseqc_fifo (state, 100) < 0)
293			return -ETIMEDOUT;
294
295		if (stv0299_writeregI (state, 0x09, m->msg[i]))
296			return -EREMOTEIO;
297	}
298
299	if (stv0299_wait_diseqc_idle (state, 100) < 0)
300		return -ETIMEDOUT;
301
302	return 0;
303}
304
305static int stv0299_send_diseqc_burst (struct dvb_frontend* fe, fe_sec_mini_cmd_t burst)
306{
307	struct stv0299_state* state = fe->demodulator_priv;
308	u8 val;
309
310	dprintk ("%s\n", __func__);
311
312	if (stv0299_wait_diseqc_idle (state, 100) < 0)
313		return -ETIMEDOUT;
314
315	val = stv0299_readreg (state, 0x08);
316
317	if (stv0299_writeregI (state, 0x08, (val & ~0x7) | 0x2))	/* burst mode */
318		return -EREMOTEIO;
319
320	if (stv0299_writeregI (state, 0x09, burst == SEC_MINI_A ? 0x00 : 0xff))
321		return -EREMOTEIO;
322
323	if (stv0299_wait_diseqc_idle (state, 100) < 0)
324		return -ETIMEDOUT;
325
326	if (stv0299_writeregI (state, 0x08, val))
327		return -EREMOTEIO;
328
329	return 0;
330}
331
332static int stv0299_set_tone (struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
333{
334	struct stv0299_state* state = fe->demodulator_priv;
335	u8 val;
336
337	if (stv0299_wait_diseqc_idle (state, 100) < 0)
338		return -ETIMEDOUT;
339
340	val = stv0299_readreg (state, 0x08);
341
342	switch (tone) {
343	case SEC_TONE_ON:
344		return stv0299_writeregI (state, 0x08, val | 0x3);
345
346	case SEC_TONE_OFF:
347		return stv0299_writeregI (state, 0x08, (val & ~0x3) | 0x02);
348
349	default:
350		return -EINVAL;
351	}
352}
353
354static int stv0299_set_voltage (struct dvb_frontend* fe, fe_sec_voltage_t voltage)
355{
356	struct stv0299_state* state = fe->demodulator_priv;
357	u8 reg0x08;
358	u8 reg0x0c;
359
360	dprintk("%s: %s\n", __func__,
361		voltage == SEC_VOLTAGE_13 ? "SEC_VOLTAGE_13" :
362		voltage == SEC_VOLTAGE_18 ? "SEC_VOLTAGE_18" : "??");
363
364	reg0x08 = stv0299_readreg (state, 0x08);
365	reg0x0c = stv0299_readreg (state, 0x0c);
366
367	/**
368	 *  H/V switching over OP0, OP1 and OP2 are LNB power enable bits
369	 */
370	reg0x0c &= 0x0f;
371	reg0x08 = (reg0x08 & 0x3f) | (state->config->lock_output << 6);
372
373	switch (voltage) {
374	case SEC_VOLTAGE_13:
375		if (state->config->volt13_op0_op1 == STV0299_VOLT13_OP0)
376			reg0x0c |= 0x10; /* OP1 off, OP0 on */
377		else
378			reg0x0c |= 0x40; /* OP1 on, OP0 off */
379		break;
380	case SEC_VOLTAGE_18:
381		reg0x0c |= 0x50; /* OP1 on, OP0 on */
382		break;
383	case SEC_VOLTAGE_OFF:
384		/* LNB power off! */
385		reg0x08 = 0x00;
386		reg0x0c = 0x00;
387		break;
388	default:
389		return -EINVAL;
390	}
391
392	if (state->config->op0_off)
393		reg0x0c &= ~0x10;
394
395	stv0299_writeregI(state, 0x08, reg0x08);
396	return stv0299_writeregI(state, 0x0c, reg0x0c);
397}
398
399static int stv0299_send_legacy_dish_cmd (struct dvb_frontend* fe, unsigned long cmd)
400{
401	struct stv0299_state* state = fe->demodulator_priv;
402	u8 reg0x08;
403	u8 reg0x0c;
404	u8 lv_mask = 0x40;
405	u8 last = 1;
406	int i;
407	struct timeval nexttime;
408	struct timeval tv[10];
409
410	reg0x08 = stv0299_readreg (state, 0x08);
411	reg0x0c = stv0299_readreg (state, 0x0c);
412	reg0x0c &= 0x0f;
413	stv0299_writeregI (state, 0x08, (reg0x08 & 0x3f) | (state->config->lock_output << 6));
414	if (state->config->volt13_op0_op1 == STV0299_VOLT13_OP0)
415		lv_mask = 0x10;
416
417	cmd = cmd << 1;
418	if (debug_legacy_dish_switch)
419		printk ("%s switch command: 0x%04lx\n",__func__, cmd);
420
421	do_gettimeofday (&nexttime);
422	if (debug_legacy_dish_switch)
423		tv[0] = nexttime;
424	stv0299_writeregI (state, 0x0c, reg0x0c | 0x50); /* set LNB to 18V */
425
426	dvb_frontend_sleep_until(&nexttime, 32000);
427
428	for (i=0; i<9; i++) {
429		if (debug_legacy_dish_switch)
430			do_gettimeofday (&tv[i+1]);
431		if((cmd & 0x01) != last) {
432			/* set voltage to (last ? 13V : 18V) */
433			stv0299_writeregI (state, 0x0c, reg0x0c | (last ? lv_mask : 0x50));
434			last = (last) ? 0 : 1;
435		}
436
437		cmd = cmd >> 1;
438
439		if (i != 8)
440			dvb_frontend_sleep_until(&nexttime, 8000);
441	}
442	if (debug_legacy_dish_switch) {
443		printk ("%s(%d): switch delay (should be 32k followed by all 8k\n",
444			__func__, fe->dvb->num);
445		for (i = 1; i < 10; i++)
446			printk ("%d: %d\n", i, timeval_usec_diff(tv[i-1] , tv[i]));
447	}
448
449	return 0;
450}
451
452static int stv0299_init (struct dvb_frontend* fe)
453{
454	struct stv0299_state* state = fe->demodulator_priv;
455	int i;
456	u8 reg;
457	u8 val;
458
459	dprintk("stv0299: init chip\n");
460
461	stv0299_writeregI(state, 0x02, 0x30 | state->mcr_reg);
462	msleep(50);
463
464	for (i = 0; ; i += 2)  {
465		reg = state->config->inittab[i];
466		val = state->config->inittab[i+1];
467		if (reg == 0xff && val == 0xff)
468			break;
469		if (reg == 0x0c && state->config->op0_off)
470			val &= ~0x10;
471		if (reg == 0x2)
472			state->mcr_reg = val & 0xf;
473		stv0299_writeregI(state, reg, val);
474	}
475
476	return 0;
477}
478
479static int stv0299_read_status(struct dvb_frontend* fe, fe_status_t* status)
480{
481	struct stv0299_state* state = fe->demodulator_priv;
482
483	u8 signal = 0xff - stv0299_readreg (state, 0x18);
484	u8 sync = stv0299_readreg (state, 0x1b);
485
486	dprintk ("%s : FE_READ_STATUS : VSTATUS: 0x%02x\n", __func__, sync);
487	*status = 0;
488
489	if (signal > 10)
490		*status |= FE_HAS_SIGNAL;
491
492	if (sync & 0x80)
493		*status |= FE_HAS_CARRIER;
494
495	if (sync & 0x10)
496		*status |= FE_HAS_VITERBI;
497
498	if (sync & 0x08)
499		*status |= FE_HAS_SYNC;
500
501	if ((sync & 0x98) == 0x98)
502		*status |= FE_HAS_LOCK;
503
504	return 0;
505}
506
507static int stv0299_read_ber(struct dvb_frontend* fe, u32* ber)
508{
509	struct stv0299_state* state = fe->demodulator_priv;
510
511	if (state->errmode != STATUS_BER)
512		return -ENOSYS;
513
514	*ber = stv0299_readreg(state, 0x1e) | (stv0299_readreg(state, 0x1d) << 8);
515
516	return 0;
517}
518
519static int stv0299_read_signal_strength(struct dvb_frontend* fe, u16* strength)
520{
521	struct stv0299_state* state = fe->demodulator_priv;
522
523	s32 signal =  0xffff - ((stv0299_readreg (state, 0x18) << 8)
524			       | stv0299_readreg (state, 0x19));
525
526	dprintk ("%s : FE_READ_SIGNAL_STRENGTH : AGC2I: 0x%02x%02x, signal=0x%04x\n", __func__,
527		 stv0299_readreg (state, 0x18),
528		 stv0299_readreg (state, 0x19), (int) signal);
529
530	signal = signal * 5 / 4;
531	*strength = (signal > 0xffff) ? 0xffff : (signal < 0) ? 0 : signal;
532
533	return 0;
534}
535
536static int stv0299_read_snr(struct dvb_frontend* fe, u16* snr)
537{
538	struct stv0299_state* state = fe->demodulator_priv;
539
540	s32 xsnr = 0xffff - ((stv0299_readreg (state, 0x24) << 8)
541			   | stv0299_readreg (state, 0x25));
542	xsnr = 3 * (xsnr - 0xa100);
543	*snr = (xsnr > 0xffff) ? 0xffff : (xsnr < 0) ? 0 : xsnr;
544
545	return 0;
546}
547
548static int stv0299_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
549{
550	struct stv0299_state* state = fe->demodulator_priv;
551
552	if (state->errmode != STATUS_UCBLOCKS)
553		return -ENOSYS;
554
555	state->ucblocks += stv0299_readreg(state, 0x1e);
556	state->ucblocks += (stv0299_readreg(state, 0x1d) << 8);
557	*ucblocks = state->ucblocks;
558
559	return 0;
560}
561
562static int stv0299_set_frontend(struct dvb_frontend *fe)
563{
564	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
565	struct stv0299_state* state = fe->demodulator_priv;
566	int invval = 0;
567
568	dprintk ("%s : FE_SET_FRONTEND\n", __func__);
569	if (state->config->set_ts_params)
570		state->config->set_ts_params(fe, 0);
571
572	// set the inversion
573	if (p->inversion == INVERSION_OFF) invval = 0;
574	else if (p->inversion == INVERSION_ON) invval = 1;
575	else {
576		printk("stv0299 does not support auto-inversion\n");
577		return -EINVAL;
578	}
579	if (state->config->invert) invval = (~invval) & 1;
580	stv0299_writeregI(state, 0x0c, (stv0299_readreg(state, 0x0c) & 0xfe) | invval);
581
582	if (fe->ops.tuner_ops.set_params) {
583		fe->ops.tuner_ops.set_params(fe);
584		if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0);
585	}
586
587	stv0299_set_FEC(state, p->fec_inner);
588	stv0299_set_symbolrate(fe, p->symbol_rate);
589	stv0299_writeregI(state, 0x22, 0x00);
590	stv0299_writeregI(state, 0x23, 0x00);
591
592	state->tuner_frequency = p->frequency;
593	state->fec_inner = p->fec_inner;
594	state->symbol_rate = p->symbol_rate;
595
596	return 0;
597}
598
599static int stv0299_get_frontend(struct dvb_frontend *fe)
600{
601	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
602	struct stv0299_state* state = fe->demodulator_priv;
603	s32 derot_freq;
604	int invval;
605
606	derot_freq = (s32)(s16) ((stv0299_readreg (state, 0x22) << 8)
607				| stv0299_readreg (state, 0x23));
608
609	derot_freq *= (state->config->mclk >> 16);
610	derot_freq += 500;
611	derot_freq /= 1000;
612
613	p->frequency += derot_freq;
614
615	invval = stv0299_readreg (state, 0x0c) & 1;
616	if (state->config->invert) invval = (~invval) & 1;
617	p->inversion = invval ? INVERSION_ON : INVERSION_OFF;
618
619	p->fec_inner = stv0299_get_fec(state);
620	p->symbol_rate = stv0299_get_symbolrate(state);
621
622	return 0;
623}
624
625static int stv0299_sleep(struct dvb_frontend* fe)
626{
627	struct stv0299_state* state = fe->demodulator_priv;
628
629	stv0299_writeregI(state, 0x02, 0xb0 | state->mcr_reg);
630	state->initialised = 0;
631
632	return 0;
633}
634
635static int stv0299_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
636{
637	struct stv0299_state* state = fe->demodulator_priv;
638
639	if (enable) {
640		stv0299_writeregI(state, 0x05, 0xb5);
641	} else {
642		stv0299_writeregI(state, 0x05, 0x35);
643	}
644	udelay(1);
645	return 0;
646}
647
648static int stv0299_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fesettings)
649{
650	struct stv0299_state* state = fe->demodulator_priv;
651	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
652
653	fesettings->min_delay_ms = state->config->min_delay_ms;
654	if (p->symbol_rate < 10000000) {
655		fesettings->step_size = p->symbol_rate / 32000;
656		fesettings->max_drift = 5000;
657	} else {
658		fesettings->step_size = p->symbol_rate / 16000;
659		fesettings->max_drift = p->symbol_rate / 2000;
660	}
661	return 0;
662}
663
664static void stv0299_release(struct dvb_frontend* fe)
665{
666	struct stv0299_state* state = fe->demodulator_priv;
667	kfree(state);
668}
669
670static struct dvb_frontend_ops stv0299_ops;
671
672struct dvb_frontend* stv0299_attach(const struct stv0299_config* config,
673				    struct i2c_adapter* i2c)
674{
675	struct stv0299_state* state = NULL;
676	int id;
677
678	/* allocate memory for the internal state */
679	state = kzalloc(sizeof(struct stv0299_state), GFP_KERNEL);
680	if (state == NULL) goto error;
681
682	/* setup the state */
683	state->config = config;
684	state->i2c = i2c;
685	state->initialised = 0;
686	state->tuner_frequency = 0;
687	state->symbol_rate = 0;
688	state->fec_inner = 0;
689	state->errmode = STATUS_BER;
690
691	/* check if the demod is there */
692	stv0299_writeregI(state, 0x02, 0x30); /* standby off */
693	msleep(200);
694	id = stv0299_readreg(state, 0x00);
695
696	/* register 0x00 contains 0xa1 for STV0299 and STV0299B */
697	/* register 0x00 might contain 0x80 when returning from standby */
698	if (id != 0xa1 && id != 0x80) goto error;
699
700	/* create dvb_frontend */
701	memcpy(&state->frontend.ops, &stv0299_ops, sizeof(struct dvb_frontend_ops));
702	state->frontend.demodulator_priv = state;
703	return &state->frontend;
704
705error:
706	kfree(state);
707	return NULL;
708}
709
710static struct dvb_frontend_ops stv0299_ops = {
711	.delsys = { SYS_DVBS },
712	.info = {
713		.name			= "ST STV0299 DVB-S",
714		.frequency_min		= 950000,
715		.frequency_max		= 2150000,
716		.frequency_stepsize	= 125,	 /* kHz for QPSK frontends */
717		.frequency_tolerance	= 0,
718		.symbol_rate_min	= 1000000,
719		.symbol_rate_max	= 45000000,
720		.symbol_rate_tolerance	= 500,	/* ppm */
721		.caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
722		      FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 |
723		      FE_CAN_QPSK |
724		      FE_CAN_FEC_AUTO
725	},
726
727	.release = stv0299_release,
728
729	.init = stv0299_init,
730	.sleep = stv0299_sleep,
731	.write = stv0299_write,
732	.i2c_gate_ctrl = stv0299_i2c_gate_ctrl,
733
734	.set_frontend = stv0299_set_frontend,
735	.get_frontend = stv0299_get_frontend,
736	.get_tune_settings = stv0299_get_tune_settings,
737
738	.read_status = stv0299_read_status,
739	.read_ber = stv0299_read_ber,
740	.read_signal_strength = stv0299_read_signal_strength,
741	.read_snr = stv0299_read_snr,
742	.read_ucblocks = stv0299_read_ucblocks,
743
744	.diseqc_send_master_cmd = stv0299_send_diseqc_msg,
745	.diseqc_send_burst = stv0299_send_diseqc_burst,
746	.set_tone = stv0299_set_tone,
747	.set_voltage = stv0299_set_voltage,
748	.dishnetwork_send_legacy_command = stv0299_send_legacy_dish_cmd,
749};
750
751module_param(debug_legacy_dish_switch, int, 0444);
752MODULE_PARM_DESC(debug_legacy_dish_switch, "Enable timing analysis for Dish Network legacy switches");
753
754module_param(debug, int, 0644);
755MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
756
757MODULE_DESCRIPTION("ST STV0299 DVB Demodulator driver");
758MODULE_AUTHOR("Ralph Metzler, Holger Waechtler, Peter Schildmann, Felix Domke, "
759	      "Andreas Oberritter, Andrew de Quincey, Kenneth Aafly");
760MODULE_LICENSE("GPL");
761
762EXPORT_SYMBOL(stv0299_attach);
763