1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3    Driver for ST STV0299 demodulator
4
5    Copyright (C) 2001-2002 Convergence Integrated Media GmbH
6	<ralph@convergence.de>,
7	<holger@convergence.de>,
8	<js@convergence.de>
9
10
11    Philips SU1278/SH
12
13    Copyright (C) 2002 by Peter Schildmann <peter.schildmann@web.de>
14
15
16    LG TDQF-S001F
17
18    Copyright (C) 2002 Felix Domke <tmbinc@elitedvb.net>
19		     & Andreas Oberritter <obi@linuxtv.org>
20
21
22    Support for Samsung TBMU24112IMB used on Technisat SkyStar2 rev. 2.6B
23
24    Copyright (C) 2003 Vadim Catana <skystar@moldova.cc>:
25
26    Support for Philips SU1278 on Technotrend hardware
27
28    Copyright (C) 2004 Andrew de Quincey <adq_dvb@lidskialf.net>
29
30
31*/
32
33#include <linux/init.h>
34#include <linux/kernel.h>
35#include <linux/ktime.h>
36#include <linux/module.h>
37#include <linux/string.h>
38#include <linux/slab.h>
39#include <linux/jiffies.h>
40#include <asm/div64.h>
41
42#include <media/dvb_frontend.h>
43#include "stv0299.h"
44
45struct stv0299_state {
46	struct i2c_adapter* i2c;
47	const struct stv0299_config* config;
48	struct dvb_frontend frontend;
49
50	u8 initialised:1;
51	u32 tuner_frequency;
52	u32 symbol_rate;
53	enum fe_code_rate fec_inner;
54	int errmode;
55	u32 ucblocks;
56	u8 mcr_reg;
57};
58
59#define STATUS_BER 0
60#define STATUS_UCBLOCKS 1
61
62static int debug;
63static int debug_legacy_dish_switch;
64#define dprintk(args...) \
65	do { \
66		if (debug) printk(KERN_DEBUG "stv0299: " args); \
67	} while (0)
68
69
70static int stv0299_writeregI (struct stv0299_state* state, u8 reg, u8 data)
71{
72	int ret;
73	u8 buf [] = { reg, data };
74	struct i2c_msg msg = { .addr = state->config->demod_address, .flags = 0, .buf = buf, .len = 2 };
75
76	ret = i2c_transfer (state->i2c, &msg, 1);
77
78	if (ret != 1)
79		dprintk("%s: writereg error (reg == 0x%02x, val == 0x%02x, ret == %i)\n",
80			__func__, reg, data, ret);
81
82	return (ret != 1) ? -EREMOTEIO : 0;
83}
84
85static int stv0299_write(struct dvb_frontend* fe, const u8 buf[], int len)
86{
87	struct stv0299_state* state = fe->demodulator_priv;
88
89	if (len != 2)
90		return -EINVAL;
91
92	return stv0299_writeregI(state, buf[0], buf[1]);
93}
94
95static u8 stv0299_readreg (struct stv0299_state* state, u8 reg)
96{
97	int ret;
98	u8 b0 [] = { reg };
99	u8 b1 [] = { 0 };
100	struct i2c_msg msg [] = { { .addr = state->config->demod_address, .flags = 0, .buf = b0, .len = 1 },
101			   { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b1, .len = 1 } };
102
103	ret = i2c_transfer (state->i2c, msg, 2);
104
105	if (ret != 2)
106		dprintk("%s: readreg error (reg == 0x%02x, ret == %i)\n",
107				__func__, reg, ret);
108
109	return b1[0];
110}
111
112static int stv0299_readregs (struct stv0299_state* state, u8 reg1, u8 *b, u8 len)
113{
114	int ret;
115	struct i2c_msg msg [] = { { .addr = state->config->demod_address, .flags = 0, .buf = &reg1, .len = 1 },
116			   { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b, .len = len } };
117
118	ret = i2c_transfer (state->i2c, msg, 2);
119
120	if (ret != 2)
121		dprintk("%s: readreg error (ret == %i)\n", __func__, ret);
122
123	return ret == 2 ? 0 : ret;
124}
125
126static int stv0299_set_FEC(struct stv0299_state *state, enum fe_code_rate fec)
127{
128	dprintk ("%s\n", __func__);
129
130	switch (fec) {
131	case FEC_AUTO:
132	{
133		return stv0299_writeregI (state, 0x31, 0x1f);
134	}
135	case FEC_1_2:
136	{
137		return stv0299_writeregI (state, 0x31, 0x01);
138	}
139	case FEC_2_3:
140	{
141		return stv0299_writeregI (state, 0x31, 0x02);
142	}
143	case FEC_3_4:
144	{
145		return stv0299_writeregI (state, 0x31, 0x04);
146	}
147	case FEC_5_6:
148	{
149		return stv0299_writeregI (state, 0x31, 0x08);
150	}
151	case FEC_7_8:
152	{
153		return stv0299_writeregI (state, 0x31, 0x10);
154	}
155	default:
156	{
157		return -EINVAL;
158	}
159    }
160}
161
162static enum fe_code_rate stv0299_get_fec(struct stv0299_state *state)
163{
164	static enum fe_code_rate fec_tab[] = { FEC_2_3, FEC_3_4, FEC_5_6,
165					       FEC_7_8, FEC_1_2 };
166	u8 index;
167
168	dprintk ("%s\n", __func__);
169
170	index = stv0299_readreg (state, 0x1b);
171	index &= 0x7;
172
173	if (index > 4)
174		return FEC_AUTO;
175
176	return fec_tab [index];
177}
178
179static int stv0299_wait_diseqc_fifo (struct stv0299_state* state, int timeout)
180{
181	unsigned long start = jiffies;
182
183	dprintk ("%s\n", __func__);
184
185	while (stv0299_readreg(state, 0x0a) & 1) {
186		if (jiffies - start > timeout) {
187			dprintk ("%s: timeout!!\n", __func__);
188			return -ETIMEDOUT;
189		}
190		msleep(10);
191	}
192
193	return 0;
194}
195
196static int stv0299_wait_diseqc_idle (struct stv0299_state* state, int timeout)
197{
198	unsigned long start = jiffies;
199
200	dprintk ("%s\n", __func__);
201
202	while ((stv0299_readreg(state, 0x0a) & 3) != 2 ) {
203		if (jiffies - start > timeout) {
204			dprintk ("%s: timeout!!\n", __func__);
205			return -ETIMEDOUT;
206		}
207		msleep(10);
208	}
209
210	return 0;
211}
212
213static int stv0299_set_symbolrate (struct dvb_frontend* fe, u32 srate)
214{
215	struct stv0299_state* state = fe->demodulator_priv;
216	u64 big = srate;
217	u32 ratio;
218
219	// check rate is within limits
220	if ((srate < 1000000) || (srate > 45000000)) return -EINVAL;
221
222	// calculate value to program
223	big = big << 20;
224	big += (state->config->mclk-1); // round correctly
225	do_div(big, state->config->mclk);
226	ratio = big << 4;
227
228	return state->config->set_symbol_rate(fe, srate, ratio);
229}
230
231static int stv0299_get_symbolrate (struct stv0299_state* state)
232{
233	u32 Mclk = state->config->mclk / 4096L;
234	u32 srate;
235	s32 offset;
236	u8 sfr[3];
237	s8 rtf;
238
239	dprintk ("%s\n", __func__);
240
241	stv0299_readregs (state, 0x1f, sfr, 3);
242	stv0299_readregs (state, 0x1a, (u8 *)&rtf, 1);
243
244	srate = (sfr[0] << 8) | sfr[1];
245	srate *= Mclk;
246	srate /= 16;
247	srate += (sfr[2] >> 4) * Mclk / 256;
248	offset = (s32) rtf * (srate / 4096L);
249	offset /= 128;
250
251	dprintk ("%s : srate = %i\n", __func__, srate);
252	dprintk ("%s : ofset = %i\n", __func__, offset);
253
254	srate += offset;
255
256	srate += 1000;
257	srate /= 2000;
258	srate *= 2000;
259
260	return srate;
261}
262
263static int stv0299_send_diseqc_msg (struct dvb_frontend* fe,
264				    struct dvb_diseqc_master_cmd *m)
265{
266	struct stv0299_state* state = fe->demodulator_priv;
267	u8 val;
268	int i;
269
270	dprintk ("%s\n", __func__);
271
272	if (stv0299_wait_diseqc_idle (state, 100) < 0)
273		return -ETIMEDOUT;
274
275	val = stv0299_readreg (state, 0x08);
276
277	if (stv0299_writeregI (state, 0x08, (val & ~0x7) | 0x6))  /* DiSEqC mode */
278		return -EREMOTEIO;
279
280	for (i=0; i<m->msg_len; i++) {
281		if (stv0299_wait_diseqc_fifo (state, 100) < 0)
282			return -ETIMEDOUT;
283
284		if (stv0299_writeregI (state, 0x09, m->msg[i]))
285			return -EREMOTEIO;
286	}
287
288	if (stv0299_wait_diseqc_idle (state, 100) < 0)
289		return -ETIMEDOUT;
290
291	return 0;
292}
293
294static int stv0299_send_diseqc_burst(struct dvb_frontend *fe,
295				     enum fe_sec_mini_cmd burst)
296{
297	struct stv0299_state* state = fe->demodulator_priv;
298	u8 val;
299
300	dprintk ("%s\n", __func__);
301
302	if (stv0299_wait_diseqc_idle (state, 100) < 0)
303		return -ETIMEDOUT;
304
305	val = stv0299_readreg (state, 0x08);
306
307	if (stv0299_writeregI (state, 0x08, (val & ~0x7) | 0x2))	/* burst mode */
308		return -EREMOTEIO;
309
310	if (stv0299_writeregI (state, 0x09, burst == SEC_MINI_A ? 0x00 : 0xff))
311		return -EREMOTEIO;
312
313	if (stv0299_wait_diseqc_idle (state, 100) < 0)
314		return -ETIMEDOUT;
315
316	if (stv0299_writeregI (state, 0x08, val))
317		return -EREMOTEIO;
318
319	return 0;
320}
321
322static int stv0299_set_tone(struct dvb_frontend *fe,
323			    enum fe_sec_tone_mode tone)
324{
325	struct stv0299_state* state = fe->demodulator_priv;
326	u8 val;
327
328	if (stv0299_wait_diseqc_idle (state, 100) < 0)
329		return -ETIMEDOUT;
330
331	val = stv0299_readreg (state, 0x08);
332
333	switch (tone) {
334	case SEC_TONE_ON:
335		return stv0299_writeregI (state, 0x08, val | 0x3);
336
337	case SEC_TONE_OFF:
338		return stv0299_writeregI (state, 0x08, (val & ~0x3) | 0x02);
339
340	default:
341		return -EINVAL;
342	}
343}
344
345static int stv0299_set_voltage(struct dvb_frontend *fe,
346			       enum fe_sec_voltage voltage)
347{
348	struct stv0299_state* state = fe->demodulator_priv;
349	u8 reg0x08;
350	u8 reg0x0c;
351
352	dprintk("%s: %s\n", __func__,
353		voltage == SEC_VOLTAGE_13 ? "SEC_VOLTAGE_13" :
354		voltage == SEC_VOLTAGE_18 ? "SEC_VOLTAGE_18" : "??");
355
356	reg0x08 = stv0299_readreg (state, 0x08);
357	reg0x0c = stv0299_readreg (state, 0x0c);
358
359	/*
360	 *  H/V switching over OP0, OP1 and OP2 are LNB power enable bits
361	 */
362	reg0x0c &= 0x0f;
363	reg0x08 = (reg0x08 & 0x3f) | (state->config->lock_output << 6);
364
365	switch (voltage) {
366	case SEC_VOLTAGE_13:
367		if (state->config->volt13_op0_op1 == STV0299_VOLT13_OP0)
368			reg0x0c |= 0x10; /* OP1 off, OP0 on */
369		else
370			reg0x0c |= 0x40; /* OP1 on, OP0 off */
371		break;
372	case SEC_VOLTAGE_18:
373		reg0x0c |= 0x50; /* OP1 on, OP0 on */
374		break;
375	case SEC_VOLTAGE_OFF:
376		/* LNB power off! */
377		reg0x08 = 0x00;
378		reg0x0c = 0x00;
379		break;
380	default:
381		return -EINVAL;
382	}
383
384	if (state->config->op0_off)
385		reg0x0c &= ~0x10;
386
387	stv0299_writeregI(state, 0x08, reg0x08);
388	return stv0299_writeregI(state, 0x0c, reg0x0c);
389}
390
391static int stv0299_send_legacy_dish_cmd (struct dvb_frontend* fe, unsigned long cmd)
392{
393	struct stv0299_state* state = fe->demodulator_priv;
394	u8 reg0x08;
395	u8 reg0x0c;
396	u8 lv_mask = 0x40;
397	u8 last = 1;
398	int i;
399	ktime_t nexttime;
400	ktime_t tv[10];
401
402	reg0x08 = stv0299_readreg (state, 0x08);
403	reg0x0c = stv0299_readreg (state, 0x0c);
404	reg0x0c &= 0x0f;
405	stv0299_writeregI (state, 0x08, (reg0x08 & 0x3f) | (state->config->lock_output << 6));
406	if (state->config->volt13_op0_op1 == STV0299_VOLT13_OP0)
407		lv_mask = 0x10;
408
409	cmd = cmd << 1;
410	if (debug_legacy_dish_switch)
411		printk ("%s switch command: 0x%04lx\n",__func__, cmd);
412
413	nexttime = ktime_get_boottime();
414	if (debug_legacy_dish_switch)
415		tv[0] = nexttime;
416	stv0299_writeregI (state, 0x0c, reg0x0c | 0x50); /* set LNB to 18V */
417
418	dvb_frontend_sleep_until(&nexttime, 32000);
419
420	for (i=0; i<9; i++) {
421		if (debug_legacy_dish_switch)
422			tv[i+1] = ktime_get_boottime();
423		if((cmd & 0x01) != last) {
424			/* set voltage to (last ? 13V : 18V) */
425			stv0299_writeregI (state, 0x0c, reg0x0c | (last ? lv_mask : 0x50));
426			last = (last) ? 0 : 1;
427		}
428
429		cmd = cmd >> 1;
430
431		if (i != 8)
432			dvb_frontend_sleep_until(&nexttime, 8000);
433	}
434	if (debug_legacy_dish_switch) {
435		printk ("%s(%d): switch delay (should be 32k followed by all 8k\n",
436			__func__, fe->dvb->num);
437		for (i = 1; i < 10; i++)
438			printk("%d: %d\n", i,
439			       (int) ktime_us_delta(tv[i], tv[i-1]));
440	}
441
442	return 0;
443}
444
445static int stv0299_init (struct dvb_frontend* fe)
446{
447	struct stv0299_state* state = fe->demodulator_priv;
448	int i;
449	u8 reg;
450	u8 val;
451
452	dprintk("stv0299: init chip\n");
453
454	stv0299_writeregI(state, 0x02, 0x30 | state->mcr_reg);
455	msleep(50);
456
457	for (i = 0; ; i += 2)  {
458		reg = state->config->inittab[i];
459		val = state->config->inittab[i+1];
460		if (reg == 0xff && val == 0xff)
461			break;
462		if (reg == 0x0c && state->config->op0_off)
463			val &= ~0x10;
464		if (reg == 0x2)
465			state->mcr_reg = val & 0xf;
466		stv0299_writeregI(state, reg, val);
467	}
468
469	return 0;
470}
471
472static int stv0299_read_status(struct dvb_frontend *fe,
473			       enum fe_status *status)
474{
475	struct stv0299_state* state = fe->demodulator_priv;
476
477	u8 signal = 0xff - stv0299_readreg (state, 0x18);
478	u8 sync = stv0299_readreg (state, 0x1b);
479
480	dprintk ("%s : FE_READ_STATUS : VSTATUS: 0x%02x\n", __func__, sync);
481	*status = 0;
482
483	if (signal > 10)
484		*status |= FE_HAS_SIGNAL;
485
486	if (sync & 0x80)
487		*status |= FE_HAS_CARRIER;
488
489	if (sync & 0x10)
490		*status |= FE_HAS_VITERBI;
491
492	if (sync & 0x08)
493		*status |= FE_HAS_SYNC;
494
495	if ((sync & 0x98) == 0x98)
496		*status |= FE_HAS_LOCK;
497
498	return 0;
499}
500
501static int stv0299_read_ber(struct dvb_frontend* fe, u32* ber)
502{
503	struct stv0299_state* state = fe->demodulator_priv;
504
505	if (state->errmode != STATUS_BER)
506		return -ENOSYS;
507
508	*ber = stv0299_readreg(state, 0x1e) | (stv0299_readreg(state, 0x1d) << 8);
509
510	return 0;
511}
512
513static int stv0299_read_signal_strength(struct dvb_frontend* fe, u16* strength)
514{
515	struct stv0299_state* state = fe->demodulator_priv;
516
517	s32 signal =  0xffff - ((stv0299_readreg (state, 0x18) << 8)
518			       | stv0299_readreg (state, 0x19));
519
520	dprintk ("%s : FE_READ_SIGNAL_STRENGTH : AGC2I: 0x%02x%02x, signal=0x%04x\n", __func__,
521		 stv0299_readreg (state, 0x18),
522		 stv0299_readreg (state, 0x19), (int) signal);
523
524	signal = signal * 5 / 4;
525	*strength = (signal > 0xffff) ? 0xffff : (signal < 0) ? 0 : signal;
526
527	return 0;
528}
529
530static int stv0299_read_snr(struct dvb_frontend* fe, u16* snr)
531{
532	struct stv0299_state* state = fe->demodulator_priv;
533
534	s32 xsnr = 0xffff - ((stv0299_readreg (state, 0x24) << 8)
535			   | stv0299_readreg (state, 0x25));
536	xsnr = 3 * (xsnr - 0xa100);
537	*snr = (xsnr > 0xffff) ? 0xffff : (xsnr < 0) ? 0 : xsnr;
538
539	return 0;
540}
541
542static int stv0299_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
543{
544	struct stv0299_state* state = fe->demodulator_priv;
545
546	if (state->errmode != STATUS_UCBLOCKS)
547		return -ENOSYS;
548
549	state->ucblocks += stv0299_readreg(state, 0x1e);
550	state->ucblocks += (stv0299_readreg(state, 0x1d) << 8);
551	*ucblocks = state->ucblocks;
552
553	return 0;
554}
555
556static int stv0299_set_frontend(struct dvb_frontend *fe)
557{
558	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
559	struct stv0299_state* state = fe->demodulator_priv;
560	int invval = 0;
561
562	dprintk ("%s : FE_SET_FRONTEND\n", __func__);
563	if (state->config->set_ts_params)
564		state->config->set_ts_params(fe, 0);
565
566	// set the inversion
567	if (p->inversion == INVERSION_OFF) invval = 0;
568	else if (p->inversion == INVERSION_ON) invval = 1;
569	else {
570		printk("stv0299 does not support auto-inversion\n");
571		return -EINVAL;
572	}
573	if (state->config->invert) invval = (~invval) & 1;
574	stv0299_writeregI(state, 0x0c, (stv0299_readreg(state, 0x0c) & 0xfe) | invval);
575
576	if (fe->ops.tuner_ops.set_params) {
577		fe->ops.tuner_ops.set_params(fe);
578		if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0);
579	}
580
581	stv0299_set_FEC(state, p->fec_inner);
582	stv0299_set_symbolrate(fe, p->symbol_rate);
583	stv0299_writeregI(state, 0x22, 0x00);
584	stv0299_writeregI(state, 0x23, 0x00);
585
586	state->tuner_frequency = p->frequency;
587	state->fec_inner = p->fec_inner;
588	state->symbol_rate = p->symbol_rate;
589
590	return 0;
591}
592
593static int stv0299_get_frontend(struct dvb_frontend *fe,
594				struct dtv_frontend_properties *p)
595{
596	struct stv0299_state* state = fe->demodulator_priv;
597	s32 derot_freq;
598	int invval;
599
600	derot_freq = (s32)(s16) ((stv0299_readreg (state, 0x22) << 8)
601				| stv0299_readreg (state, 0x23));
602
603	derot_freq *= (state->config->mclk >> 16);
604	derot_freq += 500;
605	derot_freq /= 1000;
606
607	p->frequency += derot_freq;
608
609	invval = stv0299_readreg (state, 0x0c) & 1;
610	if (state->config->invert) invval = (~invval) & 1;
611	p->inversion = invval ? INVERSION_ON : INVERSION_OFF;
612
613	p->fec_inner = stv0299_get_fec(state);
614	p->symbol_rate = stv0299_get_symbolrate(state);
615
616	return 0;
617}
618
619static int stv0299_sleep(struct dvb_frontend* fe)
620{
621	struct stv0299_state* state = fe->demodulator_priv;
622
623	stv0299_writeregI(state, 0x02, 0xb0 | state->mcr_reg);
624	state->initialised = 0;
625
626	return 0;
627}
628
629static int stv0299_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
630{
631	struct stv0299_state* state = fe->demodulator_priv;
632
633	if (enable) {
634		stv0299_writeregI(state, 0x05, 0xb5);
635	} else {
636		stv0299_writeregI(state, 0x05, 0x35);
637	}
638	udelay(1);
639	return 0;
640}
641
642static int stv0299_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fesettings)
643{
644	struct stv0299_state* state = fe->demodulator_priv;
645	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
646
647	fesettings->min_delay_ms = state->config->min_delay_ms;
648	if (p->symbol_rate < 10000000) {
649		fesettings->step_size = p->symbol_rate / 32000;
650		fesettings->max_drift = 5000;
651	} else {
652		fesettings->step_size = p->symbol_rate / 16000;
653		fesettings->max_drift = p->symbol_rate / 2000;
654	}
655	return 0;
656}
657
658static void stv0299_release(struct dvb_frontend* fe)
659{
660	struct stv0299_state* state = fe->demodulator_priv;
661	kfree(state);
662}
663
664static const struct dvb_frontend_ops stv0299_ops;
665
666struct dvb_frontend* stv0299_attach(const struct stv0299_config* config,
667				    struct i2c_adapter* i2c)
668{
669	struct stv0299_state* state = NULL;
670	int id;
671
672	/* allocate memory for the internal state */
673	state = kzalloc(sizeof(struct stv0299_state), GFP_KERNEL);
674	if (state == NULL) goto error;
675
676	/* setup the state */
677	state->config = config;
678	state->i2c = i2c;
679	state->initialised = 0;
680	state->tuner_frequency = 0;
681	state->symbol_rate = 0;
682	state->fec_inner = 0;
683	state->errmode = STATUS_BER;
684
685	/* check if the demod is there */
686	stv0299_writeregI(state, 0x02, 0x30); /* standby off */
687	msleep(200);
688	id = stv0299_readreg(state, 0x00);
689
690	/* register 0x00 contains 0xa1 for STV0299 and STV0299B */
691	/* register 0x00 might contain 0x80 when returning from standby */
692	if (id != 0xa1 && id != 0x80) goto error;
693
694	/* create dvb_frontend */
695	memcpy(&state->frontend.ops, &stv0299_ops, sizeof(struct dvb_frontend_ops));
696	state->frontend.demodulator_priv = state;
697	return &state->frontend;
698
699error:
700	kfree(state);
701	return NULL;
702}
703
704static const struct dvb_frontend_ops stv0299_ops = {
705	.delsys = { SYS_DVBS },
706	.info = {
707		.name			= "ST STV0299 DVB-S",
708		.frequency_min_hz	=  950 * MHz,
709		.frequency_max_hz	= 2150 * MHz,
710		.frequency_stepsize_hz	=  125 * kHz,
711		.symbol_rate_min	= 1000000,
712		.symbol_rate_max	= 45000000,
713		.symbol_rate_tolerance	= 500,	/* ppm */
714		.caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
715		      FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 |
716		      FE_CAN_QPSK |
717		      FE_CAN_FEC_AUTO
718	},
719
720	.release = stv0299_release,
721
722	.init = stv0299_init,
723	.sleep = stv0299_sleep,
724	.write = stv0299_write,
725	.i2c_gate_ctrl = stv0299_i2c_gate_ctrl,
726
727	.set_frontend = stv0299_set_frontend,
728	.get_frontend = stv0299_get_frontend,
729	.get_tune_settings = stv0299_get_tune_settings,
730
731	.read_status = stv0299_read_status,
732	.read_ber = stv0299_read_ber,
733	.read_signal_strength = stv0299_read_signal_strength,
734	.read_snr = stv0299_read_snr,
735	.read_ucblocks = stv0299_read_ucblocks,
736
737	.diseqc_send_master_cmd = stv0299_send_diseqc_msg,
738	.diseqc_send_burst = stv0299_send_diseqc_burst,
739	.set_tone = stv0299_set_tone,
740	.set_voltage = stv0299_set_voltage,
741	.dishnetwork_send_legacy_command = stv0299_send_legacy_dish_cmd,
742};
743
744module_param(debug_legacy_dish_switch, int, 0444);
745MODULE_PARM_DESC(debug_legacy_dish_switch, "Enable timing analysis for Dish Network legacy switches");
746
747module_param(debug, int, 0644);
748MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
749
750MODULE_DESCRIPTION("ST STV0299 DVB Demodulator driver");
751MODULE_AUTHOR("Ralph Metzler, Holger Waechtler, Peter Schildmann, Felix Domke, Andreas Oberritter, Andrew de Quincey, Kenneth Aafly");
752MODULE_LICENSE("GPL");
753
754EXPORT_SYMBOL_GPL(stv0299_attach);
755