1/*
2	Frontend/Card driver for TwinHan DST Frontend
3	Copyright (C) 2003 Jamie Honan
4	Copyright (C) 2004, 2005 Manu Abraham (manu@kromtek.com)
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/kernel.h>
22#include <linux/module.h>
23#include <linux/init.h>
24#include <linux/string.h>
25#include <linux/slab.h>
26#include <linux/vmalloc.h>
27#include <linux/delay.h>
28#include <asm/div64.h>
29#include "dvb_frontend.h"
30#include "dst_priv.h"
31#include "dst_common.h"
32
33static unsigned int verbose = 1;
34module_param(verbose, int, 0644);
35MODULE_PARM_DESC(verbose, "verbose startup messages, default is 1 (yes)");
36
37static unsigned int dst_addons;
38module_param(dst_addons, int, 0644);
39MODULE_PARM_DESC(dst_addons, "CA daughterboard, default is 0 (No addons)");
40
41static unsigned int dst_algo;
42module_param(dst_algo, int, 0644);
43MODULE_PARM_DESC(dst_algo, "tuning algo: default is 0=(SW), 1=(HW)");
44
45#define HAS_LOCK		1
46#define ATTEMPT_TUNE		2
47#define HAS_POWER		4
48
49#define DST_ERROR		0
50#define DST_NOTICE		1
51#define DST_INFO		2
52#define DST_DEBUG		3
53
54#define dprintk(x, y, z, format, arg...) do {				\
55	if (z) {							\
56		if	((x > DST_ERROR) && (x > y))			\
57			printk(KERN_ERR "dst(%d) %s: " format "\n",	\
58				state->bt->nr, __func__ , ##arg);	\
59		else if	((x > DST_NOTICE) && (x > y))			\
60			printk(KERN_NOTICE "dst(%d) %s: " format "\n",  \
61				state->bt->nr, __func__ , ##arg);	\
62		else if ((x > DST_INFO) && (x > y))			\
63			printk(KERN_INFO "dst(%d) %s: " format "\n",	\
64				state->bt->nr, __func__ , ##arg);	\
65		else if ((x > DST_DEBUG) && (x > y))			\
66			printk(KERN_DEBUG "dst(%d) %s: " format "\n",	\
67				state->bt->nr,  __func__ , ##arg);	\
68	} else {							\
69		if (x > y)						\
70			printk(format, ##arg);				\
71	}								\
72} while(0)
73
74static int dst_command(struct dst_state *state, u8 *data, u8 len);
75
76static void dst_packsize(struct dst_state *state, int psize)
77{
78	union dst_gpio_packet bits;
79
80	bits.psize = psize;
81	bt878_device_control(state->bt, DST_IG_TS, &bits);
82}
83
84static int dst_gpio_outb(struct dst_state *state, u32 mask, u32 enbb,
85			 u32 outhigh, int delay)
86{
87	union dst_gpio_packet enb;
88	union dst_gpio_packet bits;
89	int err;
90
91	enb.enb.mask = mask;
92	enb.enb.enable = enbb;
93
94	dprintk(verbose, DST_INFO, 1, "mask=[%04x], enbb=[%04x], outhigh=[%04x]", mask, enbb, outhigh);
95	if ((err = bt878_device_control(state->bt, DST_IG_ENABLE, &enb)) < 0) {
96		dprintk(verbose, DST_INFO, 1, "dst_gpio_enb error (err == %i, mask == %02x, enb == %02x)", err, mask, enbb);
97		return -EREMOTEIO;
98	}
99	udelay(1000);
100	/* because complete disabling means no output, no need to do output packet */
101	if (enbb == 0)
102		return 0;
103	if (delay)
104		msleep(10);
105	bits.outp.mask = enbb;
106	bits.outp.highvals = outhigh;
107	if ((err = bt878_device_control(state->bt, DST_IG_WRITE, &bits)) < 0) {
108		dprintk(verbose, DST_INFO, 1, "dst_gpio_outb error (err == %i, enbb == %02x, outhigh == %02x)", err, enbb, outhigh);
109		return -EREMOTEIO;
110	}
111
112	return 0;
113}
114
115static int dst_gpio_inb(struct dst_state *state, u8 *result)
116{
117	union dst_gpio_packet rd_packet;
118	int err;
119
120	*result = 0;
121	if ((err = bt878_device_control(state->bt, DST_IG_READ, &rd_packet)) < 0) {
122		dprintk(verbose, DST_ERROR, 1, "dst_gpio_inb error (err == %i)", err);
123		return -EREMOTEIO;
124	}
125	*result = (u8) rd_packet.rd.value;
126
127	return 0;
128}
129
130int rdc_reset_state(struct dst_state *state)
131{
132	dprintk(verbose, DST_INFO, 1, "Resetting state machine");
133	if (dst_gpio_outb(state, RDC_8820_INT, RDC_8820_INT, 0, NO_DELAY) < 0) {
134		dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
135		return -1;
136	}
137	msleep(10);
138	if (dst_gpio_outb(state, RDC_8820_INT, RDC_8820_INT, RDC_8820_INT, NO_DELAY) < 0) {
139		dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
140		msleep(10);
141		return -1;
142	}
143
144	return 0;
145}
146EXPORT_SYMBOL(rdc_reset_state);
147
148static int rdc_8820_reset(struct dst_state *state)
149{
150	dprintk(verbose, DST_DEBUG, 1, "Resetting DST");
151	if (dst_gpio_outb(state, RDC_8820_RESET, RDC_8820_RESET, 0, NO_DELAY) < 0) {
152		dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
153		return -1;
154	}
155	udelay(1000);
156	if (dst_gpio_outb(state, RDC_8820_RESET, RDC_8820_RESET, RDC_8820_RESET, DELAY) < 0) {
157		dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
158		return -1;
159	}
160
161	return 0;
162}
163
164static int dst_pio_enable(struct dst_state *state)
165{
166	if (dst_gpio_outb(state, ~0, RDC_8820_PIO_0_ENABLE, 0, NO_DELAY) < 0) {
167		dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
168		return -1;
169	}
170	udelay(1000);
171
172	return 0;
173}
174
175int dst_pio_disable(struct dst_state *state)
176{
177	if (dst_gpio_outb(state, ~0, RDC_8820_PIO_0_DISABLE, RDC_8820_PIO_0_DISABLE, NO_DELAY) < 0) {
178		dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
179		return -1;
180	}
181	if (state->type_flags & DST_TYPE_HAS_FW_1)
182		udelay(1000);
183
184	return 0;
185}
186EXPORT_SYMBOL(dst_pio_disable);
187
188int dst_wait_dst_ready(struct dst_state *state, u8 delay_mode)
189{
190	u8 reply;
191	int i;
192
193	for (i = 0; i < 200; i++) {
194		if (dst_gpio_inb(state, &reply) < 0) {
195			dprintk(verbose, DST_ERROR, 1, "dst_gpio_inb ERROR !");
196			return -1;
197		}
198		if ((reply & RDC_8820_PIO_0_ENABLE) == 0) {
199			dprintk(verbose, DST_INFO, 1, "dst wait ready after %d", i);
200			return 1;
201		}
202		msleep(10);
203	}
204	dprintk(verbose, DST_NOTICE, 1, "dst wait NOT ready after %d", i);
205
206	return 0;
207}
208EXPORT_SYMBOL(dst_wait_dst_ready);
209
210int dst_error_recovery(struct dst_state *state)
211{
212	dprintk(verbose, DST_NOTICE, 1, "Trying to return from previous errors.");
213	dst_pio_disable(state);
214	msleep(10);
215	dst_pio_enable(state);
216	msleep(10);
217
218	return 0;
219}
220EXPORT_SYMBOL(dst_error_recovery);
221
222int dst_error_bailout(struct dst_state *state)
223{
224	dprintk(verbose, DST_INFO, 1, "Trying to bailout from previous error.");
225	rdc_8820_reset(state);
226	dst_pio_disable(state);
227	msleep(10);
228
229	return 0;
230}
231EXPORT_SYMBOL(dst_error_bailout);
232
233int dst_comm_init(struct dst_state *state)
234{
235	dprintk(verbose, DST_INFO, 1, "Initializing DST.");
236	if ((dst_pio_enable(state)) < 0) {
237		dprintk(verbose, DST_ERROR, 1, "PIO Enable Failed");
238		return -1;
239	}
240	if ((rdc_reset_state(state)) < 0) {
241		dprintk(verbose, DST_ERROR, 1, "RDC 8820 State RESET Failed.");
242		return -1;
243	}
244	if (state->type_flags & DST_TYPE_HAS_FW_1)
245		msleep(100);
246	else
247		msleep(5);
248
249	return 0;
250}
251EXPORT_SYMBOL(dst_comm_init);
252
253int write_dst(struct dst_state *state, u8 *data, u8 len)
254{
255	struct i2c_msg msg = {
256		.addr = state->config->demod_address,
257		.flags = 0,
258		.buf = data,
259		.len = len
260	};
261
262	int err;
263	u8 cnt, i;
264
265	dprintk(verbose, DST_NOTICE, 0, "writing [ ");
266	for (i = 0; i < len; i++)
267		dprintk(verbose, DST_NOTICE, 0, "%02x ", data[i]);
268	dprintk(verbose, DST_NOTICE, 0, "]\n");
269
270	for (cnt = 0; cnt < 2; cnt++) {
271		if ((err = i2c_transfer(state->i2c, &msg, 1)) < 0) {
272			dprintk(verbose, DST_INFO, 1, "_write_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)", err, len, data[0]);
273			dst_error_recovery(state);
274			continue;
275		} else
276			break;
277	}
278	if (cnt >= 2) {
279		dprintk(verbose, DST_INFO, 1, "RDC 8820 RESET");
280		dst_error_bailout(state);
281
282		return -1;
283	}
284
285	return 0;
286}
287EXPORT_SYMBOL(write_dst);
288
289int read_dst(struct dst_state *state, u8 *ret, u8 len)
290{
291	struct i2c_msg msg = {
292		.addr = state->config->demod_address,
293		.flags = I2C_M_RD,
294		.buf = ret,
295		.len = len
296	};
297
298	int err;
299	int cnt;
300
301	for (cnt = 0; cnt < 2; cnt++) {
302		if ((err = i2c_transfer(state->i2c, &msg, 1)) < 0) {
303			dprintk(verbose, DST_INFO, 1, "read_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)", err, len, ret[0]);
304			dst_error_recovery(state);
305			continue;
306		} else
307			break;
308	}
309	if (cnt >= 2) {
310		dprintk(verbose, DST_INFO, 1, "RDC 8820 RESET");
311		dst_error_bailout(state);
312
313		return -1;
314	}
315	dprintk(verbose, DST_DEBUG, 1, "reply is 0x%x", ret[0]);
316	for (err = 1; err < len; err++)
317		dprintk(verbose, DST_DEBUG, 0, " 0x%x", ret[err]);
318	if (err > 1)
319		dprintk(verbose, DST_DEBUG, 0, "\n");
320
321	return 0;
322}
323EXPORT_SYMBOL(read_dst);
324
325static int dst_set_polarization(struct dst_state *state)
326{
327	switch (state->voltage) {
328	case SEC_VOLTAGE_13:	/*	Vertical	*/
329		dprintk(verbose, DST_INFO, 1, "Polarization=[Vertical]");
330		state->tx_tuna[8] &= ~0x40;
331		break;
332	case SEC_VOLTAGE_18:	/*	Horizontal	*/
333		dprintk(verbose, DST_INFO, 1, "Polarization=[Horizontal]");
334		state->tx_tuna[8] |= 0x40;
335		break;
336	case SEC_VOLTAGE_OFF:
337		break;
338	}
339
340	return 0;
341}
342
343static int dst_set_freq(struct dst_state *state, u32 freq)
344{
345	state->frequency = freq;
346	dprintk(verbose, DST_INFO, 1, "set Frequency %u", freq);
347
348	if (state->dst_type == DST_TYPE_IS_SAT) {
349		freq = freq / 1000;
350		if (freq < 950 || freq > 2150)
351			return -EINVAL;
352		state->tx_tuna[2] = (freq >> 8);
353		state->tx_tuna[3] = (u8) freq;
354		state->tx_tuna[4] = 0x01;
355		state->tx_tuna[8] &= ~0x04;
356		if (state->type_flags & DST_TYPE_HAS_OBS_REGS) {
357			if (freq < 1531)
358				state->tx_tuna[8] |= 0x04;
359		}
360	} else if (state->dst_type == DST_TYPE_IS_TERR) {
361		freq = freq / 1000;
362		if (freq < 137000 || freq > 858000)
363			return -EINVAL;
364		state->tx_tuna[2] = (freq >> 16) & 0xff;
365		state->tx_tuna[3] = (freq >> 8) & 0xff;
366		state->tx_tuna[4] = (u8) freq;
367	} else if (state->dst_type == DST_TYPE_IS_CABLE) {
368		freq = freq / 1000;
369		state->tx_tuna[2] = (freq >> 16) & 0xff;
370		state->tx_tuna[3] = (freq >> 8) & 0xff;
371		state->tx_tuna[4] = (u8) freq;
372	} else if (state->dst_type == DST_TYPE_IS_ATSC) {
373		freq = freq / 1000;
374		if (freq < 51000 || freq > 858000)
375			return -EINVAL;
376		state->tx_tuna[2] = (freq >> 16) & 0xff;
377		state->tx_tuna[3] = (freq >>  8) & 0xff;
378		state->tx_tuna[4] = (u8) freq;
379		state->tx_tuna[5] = 0x00;		/*	ATSC	*/
380		state->tx_tuna[6] = 0x00;
381		if (state->dst_hw_cap & DST_TYPE_HAS_ANALOG)
382			state->tx_tuna[7] = 0x00;	/*	Digital	*/
383	} else
384		return -EINVAL;
385
386	return 0;
387}
388
389static int dst_set_bandwidth(struct dst_state *state, u32 bandwidth)
390{
391	state->bandwidth = bandwidth;
392
393	if (state->dst_type != DST_TYPE_IS_TERR)
394		return -EOPNOTSUPP;
395
396	switch (bandwidth) {
397	case 6000000:
398		if (state->dst_hw_cap & DST_TYPE_HAS_CA)
399			state->tx_tuna[7] = 0x06;
400		else {
401			state->tx_tuna[6] = 0x06;
402			state->tx_tuna[7] = 0x00;
403		}
404		break;
405	case 7000000:
406		if (state->dst_hw_cap & DST_TYPE_HAS_CA)
407			state->tx_tuna[7] = 0x07;
408		else {
409			state->tx_tuna[6] = 0x07;
410			state->tx_tuna[7] = 0x00;
411		}
412		break;
413	case 8000000:
414		if (state->dst_hw_cap & DST_TYPE_HAS_CA)
415			state->tx_tuna[7] = 0x08;
416		else {
417			state->tx_tuna[6] = 0x08;
418			state->tx_tuna[7] = 0x00;
419		}
420		break;
421	default:
422		return -EINVAL;
423	}
424
425	return 0;
426}
427
428static int dst_set_inversion(struct dst_state *state, fe_spectral_inversion_t inversion)
429{
430	state->inversion = inversion;
431	switch (inversion) {
432	case INVERSION_OFF:	/*	Inversion = Normal	*/
433		state->tx_tuna[8] &= ~0x80;
434		break;
435	case INVERSION_ON:
436		state->tx_tuna[8] |= 0x80;
437		break;
438	default:
439		return -EINVAL;
440	}
441
442	return 0;
443}
444
445static int dst_set_fec(struct dst_state *state, fe_code_rate_t fec)
446{
447	state->fec = fec;
448	return 0;
449}
450
451static fe_code_rate_t dst_get_fec(struct dst_state *state)
452{
453	return state->fec;
454}
455
456static int dst_set_symbolrate(struct dst_state *state, u32 srate)
457{
458	u32 symcalc;
459	u64 sval;
460
461	state->symbol_rate = srate;
462	if (state->dst_type == DST_TYPE_IS_TERR) {
463		return -EOPNOTSUPP;
464	}
465	dprintk(verbose, DST_INFO, 1, "set symrate %u", srate);
466	srate /= 1000;
467	if (state->dst_type == DST_TYPE_IS_SAT) {
468		if (state->type_flags & DST_TYPE_HAS_SYMDIV) {
469			sval = srate;
470			sval <<= 20;
471			do_div(sval, 88000);
472			symcalc = (u32) sval;
473			dprintk(verbose, DST_INFO, 1, "set symcalc %u", symcalc);
474			state->tx_tuna[5] = (u8) (symcalc >> 12);
475			state->tx_tuna[6] = (u8) (symcalc >> 4);
476			state->tx_tuna[7] = (u8) (symcalc << 4);
477		} else {
478			state->tx_tuna[5] = (u8) (srate >> 16) & 0x7f;
479			state->tx_tuna[6] = (u8) (srate >> 8);
480			state->tx_tuna[7] = (u8) srate;
481		}
482		state->tx_tuna[8] &= ~0x20;
483		if (state->type_flags & DST_TYPE_HAS_OBS_REGS) {
484			if (srate > 8000)
485				state->tx_tuna[8] |= 0x20;
486		}
487	} else if (state->dst_type == DST_TYPE_IS_CABLE) {
488		dprintk(verbose, DST_DEBUG, 1, "%s", state->fw_name);
489		if (!strncmp(state->fw_name, "DCTNEW", 6)) {
490			state->tx_tuna[5] = (u8) (srate >> 8);
491			state->tx_tuna[6] = (u8) srate;
492			state->tx_tuna[7] = 0x00;
493		} else if (!strncmp(state->fw_name, "DCT-CI", 6)) {
494			state->tx_tuna[5] = 0x00;
495			state->tx_tuna[6] = (u8) (srate >> 8);
496			state->tx_tuna[7] = (u8) srate;
497		}
498	}
499	return 0;
500}
501
502static int dst_set_modulation(struct dst_state *state, fe_modulation_t modulation)
503{
504	if (state->dst_type != DST_TYPE_IS_CABLE)
505		return -EOPNOTSUPP;
506
507	state->modulation = modulation;
508	switch (modulation) {
509	case QAM_16:
510		state->tx_tuna[8] = 0x10;
511		break;
512	case QAM_32:
513		state->tx_tuna[8] = 0x20;
514		break;
515	case QAM_64:
516		state->tx_tuna[8] = 0x40;
517		break;
518	case QAM_128:
519		state->tx_tuna[8] = 0x80;
520		break;
521	case QAM_256:
522		if (!strncmp(state->fw_name, "DCTNEW", 6))
523			state->tx_tuna[8] = 0xff;
524		else if (!strncmp(state->fw_name, "DCT-CI", 6))
525			state->tx_tuna[8] = 0x00;
526		break;
527	case QPSK:
528	case QAM_AUTO:
529	case VSB_8:
530	case VSB_16:
531	default:
532		return -EINVAL;
533
534	}
535
536	return 0;
537}
538
539static fe_modulation_t dst_get_modulation(struct dst_state *state)
540{
541	return state->modulation;
542}
543
544
545u8 dst_check_sum(u8 *buf, u32 len)
546{
547	u32 i;
548	u8 val = 0;
549	if (!len)
550		return 0;
551	for (i = 0; i < len; i++) {
552		val += buf[i];
553	}
554	return ((~val) + 1);
555}
556EXPORT_SYMBOL(dst_check_sum);
557
558static void dst_type_flags_print(struct dst_state *state)
559{
560	u32 type_flags = state->type_flags;
561
562	dprintk(verbose, DST_ERROR, 0, "DST type flags :");
563	if (type_flags & DST_TYPE_HAS_TS188)
564		dprintk(verbose, DST_ERROR, 0, " 0x%x newtuner", DST_TYPE_HAS_TS188);
565	if (type_flags & DST_TYPE_HAS_NEWTUNE_2)
566		dprintk(verbose, DST_ERROR, 0, " 0x%x newtuner 2", DST_TYPE_HAS_NEWTUNE_2);
567	if (type_flags & DST_TYPE_HAS_TS204)
568		dprintk(verbose, DST_ERROR, 0, " 0x%x ts204", DST_TYPE_HAS_TS204);
569	if (type_flags & DST_TYPE_HAS_VLF)
570		dprintk(verbose, DST_ERROR, 0, " 0x%x VLF", DST_TYPE_HAS_VLF);
571	if (type_flags & DST_TYPE_HAS_SYMDIV)
572		dprintk(verbose, DST_ERROR, 0, " 0x%x symdiv", DST_TYPE_HAS_SYMDIV);
573	if (type_flags & DST_TYPE_HAS_FW_1)
574		dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 1", DST_TYPE_HAS_FW_1);
575	if (type_flags & DST_TYPE_HAS_FW_2)
576		dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 2", DST_TYPE_HAS_FW_2);
577	if (type_flags & DST_TYPE_HAS_FW_3)
578		dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 3", DST_TYPE_HAS_FW_3);
579	dprintk(verbose, DST_ERROR, 0, "\n");
580}
581
582
583static int dst_type_print(struct dst_state *state, u8 type)
584{
585	char *otype;
586	switch (type) {
587	case DST_TYPE_IS_SAT:
588		otype = "satellite";
589		break;
590
591	case DST_TYPE_IS_TERR:
592		otype = "terrestrial";
593		break;
594
595	case DST_TYPE_IS_CABLE:
596		otype = "cable";
597		break;
598
599	case DST_TYPE_IS_ATSC:
600		otype = "atsc";
601		break;
602
603	default:
604		dprintk(verbose, DST_INFO, 1, "invalid dst type %d", type);
605		return -EINVAL;
606	}
607	dprintk(verbose, DST_INFO, 1, "DST type: %s", otype);
608
609	return 0;
610}
611
612static struct tuner_types tuner_list[] = {
613	{
614		.tuner_type = TUNER_TYPE_L64724,
615		.tuner_name = "L 64724",
616		.board_name = "UNKNOWN",
617		.fw_name    = "UNKNOWN"
618	},
619
620	{
621		.tuner_type = TUNER_TYPE_STV0299,
622		.tuner_name = "STV 0299",
623		.board_name = "VP1020",
624		.fw_name    = "DST-MOT"
625	},
626
627	{
628		.tuner_type = TUNER_TYPE_STV0299,
629		.tuner_name = "STV 0299",
630		.board_name = "VP1020",
631		.fw_name    = "DST-03T"
632	},
633
634	{
635		.tuner_type = TUNER_TYPE_MB86A15,
636		.tuner_name = "MB 86A15",
637		.board_name = "VP1022",
638		.fw_name    = "DST-03T"
639	},
640
641	{
642		.tuner_type = TUNER_TYPE_MB86A15,
643		.tuner_name = "MB 86A15",
644		.board_name = "VP1025",
645		.fw_name    = "DST-03T"
646	},
647
648	{
649		.tuner_type = TUNER_TYPE_STV0299,
650		.tuner_name = "STV 0299",
651		.board_name = "VP1030",
652		.fw_name    = "DST-CI"
653	},
654
655	{
656		.tuner_type = TUNER_TYPE_STV0299,
657		.tuner_name = "STV 0299",
658		.board_name = "VP1030",
659		.fw_name    = "DSTMCI"
660	},
661
662	{
663		.tuner_type = TUNER_TYPE_UNKNOWN,
664		.tuner_name = "UNKNOWN",
665		.board_name = "VP2021",
666		.fw_name    = "DCTNEW"
667	},
668
669	{
670		.tuner_type = TUNER_TYPE_UNKNOWN,
671		.tuner_name = "UNKNOWN",
672		.board_name = "VP2030",
673		.fw_name    = "DCT-CI"
674	},
675
676	{
677		.tuner_type = TUNER_TYPE_UNKNOWN,
678		.tuner_name = "UNKNOWN",
679		.board_name = "VP2031",
680		.fw_name    = "DCT-CI"
681	},
682
683	{
684		.tuner_type = TUNER_TYPE_UNKNOWN,
685		.tuner_name = "UNKNOWN",
686		.board_name = "VP2040",
687		.fw_name    = "DCT-CI"
688	},
689
690	{
691		.tuner_type = TUNER_TYPE_UNKNOWN,
692		.tuner_name = "UNKNOWN",
693		.board_name = "VP3020",
694		.fw_name    = "DTTFTA"
695	},
696
697	{
698		.tuner_type = TUNER_TYPE_UNKNOWN,
699		.tuner_name = "UNKNOWN",
700		.board_name = "VP3021",
701		.fw_name    = "DTTFTA"
702	},
703
704	{
705		.tuner_type = TUNER_TYPE_TDA10046,
706		.tuner_name = "TDA10046",
707		.board_name = "VP3040",
708		.fw_name    = "DTT-CI"
709	},
710
711	{
712		.tuner_type = TUNER_TYPE_UNKNOWN,
713		.tuner_name = "UNKNOWN",
714		.board_name = "VP3051",
715		.fw_name    = "DTTNXT"
716	},
717
718	{
719		.tuner_type = TUNER_TYPE_NXT200x,
720		.tuner_name = "NXT200x",
721		.board_name = "VP3220",
722		.fw_name    = "ATSCDI"
723	},
724
725	{
726		.tuner_type = TUNER_TYPE_NXT200x,
727		.tuner_name = "NXT200x",
728		.board_name = "VP3250",
729		.fw_name    = "ATSCAD"
730	},
731};
732
733/*
734	Known cards list
735	Satellite
736	-------------------
737		  200103A
738	VP-1020   DST-MOT	LG(old), TS=188
739
740	VP-1020   DST-03T	LG(new), TS=204
741	VP-1022   DST-03T	LG(new), TS=204
742	VP-1025   DST-03T	LG(new), TS=204
743
744	VP-1030   DSTMCI,	LG(new), TS=188
745	VP-1032   DSTMCI,	LG(new), TS=188
746
747	Cable
748	-------------------
749	VP-2030   DCT-CI,	Samsung, TS=204
750	VP-2021   DCT-CI,	Unknown, TS=204
751	VP-2031   DCT-CI,	Philips, TS=188
752	VP-2040   DCT-CI,	Philips, TS=188, with CA daughter board
753	VP-2040   DCT-CI,	Philips, TS=204, without CA daughter board
754
755	Terrestrial
756	-------------------
757	VP-3050  DTTNXT			 TS=188
758	VP-3040  DTT-CI,	Philips, TS=188
759	VP-3040  DTT-CI,	Philips, TS=204
760
761	ATSC
762	-------------------
763	VP-3220  ATSCDI,		 TS=188
764	VP-3250  ATSCAD,		 TS=188
765
766*/
767
768static struct dst_types dst_tlist[] = {
769	{
770		.device_id = "200103A",
771		.offset = 0,
772		.dst_type =  DST_TYPE_IS_SAT,
773		.type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1 | DST_TYPE_HAS_OBS_REGS,
774		.dst_feature = 0,
775		.tuner_type = 0
776	},	/*	obsolete	*/
777
778	{
779		.device_id = "DST-020",
780		.offset = 0,
781		.dst_type =  DST_TYPE_IS_SAT,
782		.type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
783		.dst_feature = 0,
784		.tuner_type = 0
785	},	/*	obsolete	*/
786
787	{
788		.device_id = "DST-030",
789		.offset =  0,
790		.dst_type = DST_TYPE_IS_SAT,
791		.type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_TS188 | DST_TYPE_HAS_FW_1,
792		.dst_feature = 0,
793		.tuner_type = 0
794	},	/*	obsolete	*/
795
796	{
797		.device_id = "DST-03T",
798		.offset = 0,
799		.dst_type = DST_TYPE_IS_SAT,
800		.type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_TS204 | DST_TYPE_HAS_FW_2,
801		.dst_feature = DST_TYPE_HAS_DISEQC3 | DST_TYPE_HAS_DISEQC4 | DST_TYPE_HAS_DISEQC5
802							 | DST_TYPE_HAS_MAC | DST_TYPE_HAS_MOTO,
803		.tuner_type = TUNER_TYPE_MULTI
804	 },
805
806	{
807		.device_id = "DST-MOT",
808		.offset =  0,
809		.dst_type = DST_TYPE_IS_SAT,
810		.type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
811		.dst_feature = 0,
812		.tuner_type = 0
813	},	/*	obsolete	*/
814
815	{
816		.device_id = "DST-CI",
817		.offset = 1,
818		.dst_type = DST_TYPE_IS_SAT,
819		.type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_FW_1,
820		.dst_feature = DST_TYPE_HAS_CA,
821		.tuner_type = 0
822	},	/*	An OEM board	*/
823
824	{
825		.device_id = "DSTMCI",
826		.offset = 1,
827		.dst_type = DST_TYPE_IS_SAT,
828		.type_flags = DST_TYPE_HAS_TS188 | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD | DST_TYPE_HAS_INC_COUNT | DST_TYPE_HAS_VLF,
829		.dst_feature = DST_TYPE_HAS_CA | DST_TYPE_HAS_DISEQC3 | DST_TYPE_HAS_DISEQC4
830							| DST_TYPE_HAS_MOTO | DST_TYPE_HAS_MAC,
831		.tuner_type = TUNER_TYPE_MULTI
832	},
833
834	{
835		.device_id = "DSTFCI",
836		.offset = 1,
837		.dst_type = DST_TYPE_IS_SAT,
838		.type_flags = DST_TYPE_HAS_TS188 | DST_TYPE_HAS_FW_1,
839		.dst_feature = 0,
840		.tuner_type = 0
841	},	/* unknown to vendor	*/
842
843	{
844		.device_id = "DCT-CI",
845		.offset = 1,
846		.dst_type = DST_TYPE_IS_CABLE,
847		.type_flags = DST_TYPE_HAS_MULTI_FE | DST_TYPE_HAS_FW_1	| DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_VLF,
848		.dst_feature = DST_TYPE_HAS_CA,
849		.tuner_type = 0
850	},
851
852	{
853		.device_id = "DCTNEW",
854		.offset = 1,
855		.dst_type = DST_TYPE_IS_CABLE,
856		.type_flags = DST_TYPE_HAS_TS188 | DST_TYPE_HAS_FW_3 | DST_TYPE_HAS_FW_BUILD | DST_TYPE_HAS_MULTI_FE,
857		.dst_feature = 0,
858		.tuner_type = 0
859	},
860
861	{
862		.device_id = "DTT-CI",
863		.offset = 1,
864		.dst_type = DST_TYPE_IS_TERR,
865		.type_flags = DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_MULTI_FE | DST_TYPE_HAS_VLF,
866		.dst_feature = DST_TYPE_HAS_CA,
867		.tuner_type = 0
868	},
869
870	{
871		.device_id = "DTTDIG",
872		.offset = 1,
873		.dst_type = DST_TYPE_IS_TERR,
874		.type_flags = DST_TYPE_HAS_FW_2,
875		.dst_feature = 0,
876		.tuner_type = 0
877	},
878
879	{
880		.device_id = "DTTNXT",
881		.offset = 1,
882		.dst_type = DST_TYPE_IS_TERR,
883		.type_flags = DST_TYPE_HAS_FW_2,
884		.dst_feature = DST_TYPE_HAS_ANALOG,
885		.tuner_type = 0
886	},
887
888	{
889		.device_id = "ATSCDI",
890		.offset = 1,
891		.dst_type = DST_TYPE_IS_ATSC,
892		.type_flags = DST_TYPE_HAS_FW_2,
893		.dst_feature = 0,
894		.tuner_type = 0
895	},
896
897	{
898		.device_id = "ATSCAD",
899		.offset = 1,
900		.dst_type = DST_TYPE_IS_ATSC,
901		.type_flags = DST_TYPE_HAS_MULTI_FE | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD,
902		.dst_feature = DST_TYPE_HAS_MAC | DST_TYPE_HAS_ANALOG,
903		.tuner_type = 0
904	},
905
906	{ }
907
908};
909
910static int dst_get_mac(struct dst_state *state)
911{
912	u8 get_mac[] = { 0x00, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
913	get_mac[7] = dst_check_sum(get_mac, 7);
914	if (dst_command(state, get_mac, 8) < 0) {
915		dprintk(verbose, DST_INFO, 1, "Unsupported Command");
916		return -1;
917	}
918	memset(&state->mac_address, '\0', 8);
919	memcpy(&state->mac_address, &state->rxbuffer, 6);
920	dprintk(verbose, DST_ERROR, 1, "MAC Address=[%pM]", state->mac_address);
921
922	return 0;
923}
924
925static int dst_fw_ver(struct dst_state *state)
926{
927	u8 get_ver[] = { 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
928	get_ver[7] = dst_check_sum(get_ver, 7);
929	if (dst_command(state, get_ver, 8) < 0) {
930		dprintk(verbose, DST_INFO, 1, "Unsupported Command");
931		return -1;
932	}
933	memcpy(&state->fw_version, &state->rxbuffer, 8);
934	dprintk(verbose, DST_ERROR, 1, "Firmware Ver = %x.%x Build = %02x, on %x:%x, %x-%x-20%02x",
935		state->fw_version[0] >> 4, state->fw_version[0] & 0x0f,
936		state->fw_version[1],
937		state->fw_version[5], state->fw_version[6],
938		state->fw_version[4], state->fw_version[3], state->fw_version[2]);
939
940	return 0;
941}
942
943static int dst_card_type(struct dst_state *state)
944{
945	int j;
946	struct tuner_types *p_tuner_list = NULL;
947
948	u8 get_type[] = { 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
949	get_type[7] = dst_check_sum(get_type, 7);
950	if (dst_command(state, get_type, 8) < 0) {
951		dprintk(verbose, DST_INFO, 1, "Unsupported Command");
952		return -1;
953	}
954	memset(&state->card_info, '\0', 8);
955	memcpy(&state->card_info, &state->rxbuffer, 7);
956	dprintk(verbose, DST_ERROR, 1, "Device Model=[%s]", &state->card_info[0]);
957
958	for (j = 0, p_tuner_list = tuner_list; j < ARRAY_SIZE(tuner_list); j++, p_tuner_list++) {
959		if (!strcmp(&state->card_info[0], p_tuner_list->board_name)) {
960			state->tuner_type = p_tuner_list->tuner_type;
961			dprintk(verbose, DST_ERROR, 1, "DST has [%s] tuner, tuner type=[%d]",
962				p_tuner_list->tuner_name, p_tuner_list->tuner_type);
963		}
964	}
965
966	return 0;
967}
968
969static int dst_get_vendor(struct dst_state *state)
970{
971	u8 get_vendor[] = { 0x00, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
972	get_vendor[7] = dst_check_sum(get_vendor, 7);
973	if (dst_command(state, get_vendor, 8) < 0) {
974		dprintk(verbose, DST_INFO, 1, "Unsupported Command");
975		return -1;
976	}
977	memset(&state->vendor, '\0', 8);
978	memcpy(&state->vendor, &state->rxbuffer, 7);
979	dprintk(verbose, DST_ERROR, 1, "Vendor=[%s]", &state->vendor[0]);
980
981	return 0;
982}
983
984static void debug_dst_buffer(struct dst_state *state)
985{
986	int i;
987
988	if (verbose > 2) {
989		printk("%s: [", __func__);
990		for (i = 0; i < 8; i++)
991			printk(" %02x", state->rxbuffer[i]);
992		printk("]\n");
993	}
994}
995
996static int dst_check_stv0299(struct dst_state *state)
997{
998	u8 check_stv0299[] = { 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
999
1000	check_stv0299[7] = dst_check_sum(check_stv0299, 7);
1001	if (dst_command(state, check_stv0299, 8) < 0) {
1002		dprintk(verbose, DST_ERROR, 1, "Cmd=[0x04] failed");
1003		return -1;
1004	}
1005	debug_dst_buffer(state);
1006
1007	if (memcmp(&check_stv0299, &state->rxbuffer, 8)) {
1008		dprintk(verbose, DST_ERROR, 1, "Found a STV0299 NIM");
1009		state->tuner_type = TUNER_TYPE_STV0299;
1010		return 0;
1011	}
1012
1013	return -1;
1014}
1015
1016static int dst_check_mb86a15(struct dst_state *state)
1017{
1018	u8 check_mb86a15[] = { 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
1019
1020	check_mb86a15[7] = dst_check_sum(check_mb86a15, 7);
1021	if (dst_command(state, check_mb86a15, 8) < 0) {
1022		dprintk(verbose, DST_ERROR, 1, "Cmd=[0x10], failed");
1023		return -1;
1024	}
1025	debug_dst_buffer(state);
1026
1027	if (memcmp(&check_mb86a15, &state->rxbuffer, 8) < 0) {
1028		dprintk(verbose, DST_ERROR, 1, "Found a MB86A15 NIM");
1029		state->tuner_type = TUNER_TYPE_MB86A15;
1030		return 0;
1031	}
1032
1033	return -1;
1034}
1035
1036static int dst_get_tuner_info(struct dst_state *state)
1037{
1038	u8 get_tuner_1[] = { 0x00, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
1039	u8 get_tuner_2[] = { 0x00, 0x0b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
1040
1041	get_tuner_1[7] = dst_check_sum(get_tuner_1, 7);
1042	get_tuner_2[7] = dst_check_sum(get_tuner_2, 7);
1043	dprintk(verbose, DST_ERROR, 1, "DST TYpe = MULTI FE");
1044	if (state->type_flags & DST_TYPE_HAS_MULTI_FE) {
1045		if (dst_command(state, get_tuner_1, 8) < 0) {
1046			dprintk(verbose, DST_INFO, 1, "Cmd=[0x13], Unsupported");
1047			goto force;
1048		}
1049	} else {
1050		if (dst_command(state, get_tuner_2, 8) < 0) {
1051			dprintk(verbose, DST_INFO, 1, "Cmd=[0xb], Unsupported");
1052			goto force;
1053		}
1054	}
1055	memcpy(&state->board_info, &state->rxbuffer, 8);
1056	if (state->type_flags & DST_TYPE_HAS_MULTI_FE) {
1057		dprintk(verbose, DST_ERROR, 1, "DST type has TS=188");
1058	}
1059	if (state->board_info[0] == 0xbc) {
1060		if (state->dst_type != DST_TYPE_IS_ATSC)
1061			state->type_flags |= DST_TYPE_HAS_TS188;
1062		else
1063			state->type_flags |= DST_TYPE_HAS_NEWTUNE_2;
1064
1065		if (state->board_info[1] == 0x01) {
1066			state->dst_hw_cap |= DST_TYPE_HAS_DBOARD;
1067			dprintk(verbose, DST_ERROR, 1, "DST has Daughterboard");
1068		}
1069	}
1070
1071	return 0;
1072force:
1073	if (!strncmp(state->fw_name, "DCT-CI", 6)) {
1074		state->type_flags |= DST_TYPE_HAS_TS204;
1075		dprintk(verbose, DST_ERROR, 1, "Forcing [%s] to TS188", state->fw_name);
1076	}
1077
1078	return -1;
1079}
1080
1081static int dst_get_device_id(struct dst_state *state)
1082{
1083	u8 reply;
1084
1085	int i, j;
1086	struct dst_types *p_dst_type = NULL;
1087	struct tuner_types *p_tuner_list = NULL;
1088
1089	u8 use_dst_type = 0;
1090	u32 use_type_flags = 0;
1091
1092	static u8 device_type[8] = {0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff};
1093
1094	state->tuner_type = 0;
1095	device_type[7] = dst_check_sum(device_type, 7);
1096
1097	if (write_dst(state, device_type, FIXED_COMM))
1098		return -1;		/*	Write failed		*/
1099	if ((dst_pio_disable(state)) < 0)
1100		return -1;
1101	if (read_dst(state, &reply, GET_ACK))
1102		return -1;		/*	Read failure		*/
1103	if (reply != ACK) {
1104		dprintk(verbose, DST_INFO, 1, "Write not Acknowledged! [Reply=0x%02x]", reply);
1105		return -1;		/*	Unack'd write		*/
1106	}
1107	if (!dst_wait_dst_ready(state, DEVICE_INIT))
1108		return -1;		/*	DST not ready yet	*/
1109	if (read_dst(state, state->rxbuffer, FIXED_COMM))
1110		return -1;
1111
1112	dst_pio_disable(state);
1113	if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
1114		dprintk(verbose, DST_INFO, 1, "Checksum failure!");
1115		return -1;		/*	Checksum failure	*/
1116	}
1117	state->rxbuffer[7] = '\0';
1118
1119	for (i = 0, p_dst_type = dst_tlist; i < ARRAY_SIZE(dst_tlist); i++, p_dst_type++) {
1120		if (!strncmp (&state->rxbuffer[p_dst_type->offset], p_dst_type->device_id, strlen (p_dst_type->device_id))) {
1121			use_type_flags = p_dst_type->type_flags;
1122			use_dst_type = p_dst_type->dst_type;
1123
1124			/*	Card capabilities	*/
1125			state->dst_hw_cap = p_dst_type->dst_feature;
1126			dprintk(verbose, DST_ERROR, 1, "Recognise [%s]", p_dst_type->device_id);
1127			strncpy(&state->fw_name[0], p_dst_type->device_id, 6);
1128			/*	Multiple tuners		*/
1129			if (p_dst_type->tuner_type & TUNER_TYPE_MULTI) {
1130				switch (use_dst_type) {
1131				case DST_TYPE_IS_SAT:
1132					/*	STV0299 check	*/
1133					if (dst_check_stv0299(state) < 0) {
1134						dprintk(verbose, DST_ERROR, 1, "Unsupported");
1135						state->tuner_type = TUNER_TYPE_MB86A15;
1136					}
1137					break;
1138				default:
1139					break;
1140				}
1141				if (dst_check_mb86a15(state) < 0)
1142					dprintk(verbose, DST_ERROR, 1, "Unsupported");
1143			/*	Single tuner		*/
1144			} else {
1145				state->tuner_type = p_dst_type->tuner_type;
1146			}
1147			for (j = 0, p_tuner_list = tuner_list; j < ARRAY_SIZE(tuner_list); j++, p_tuner_list++) {
1148				if (!(strncmp(p_dst_type->device_id, p_tuner_list->fw_name, 7)) &&
1149					p_tuner_list->tuner_type == state->tuner_type) {
1150					dprintk(verbose, DST_ERROR, 1, "[%s] has a [%s]",
1151						p_dst_type->device_id, p_tuner_list->tuner_name);
1152				}
1153			}
1154			break;
1155		}
1156	}
1157
1158	if (i >= ARRAY_SIZE(dst_tlist)) {
1159		dprintk(verbose, DST_ERROR, 1, "Unable to recognize %s or %s", &state->rxbuffer[0], &state->rxbuffer[1]);
1160		dprintk(verbose, DST_ERROR, 1, "please email linux-dvb@linuxtv.org with this type in");
1161		use_dst_type = DST_TYPE_IS_SAT;
1162		use_type_flags = DST_TYPE_HAS_SYMDIV;
1163	}
1164	dst_type_print(state, use_dst_type);
1165	state->type_flags = use_type_flags;
1166	state->dst_type = use_dst_type;
1167	dst_type_flags_print(state);
1168
1169	return 0;
1170}
1171
1172static int dst_probe(struct dst_state *state)
1173{
1174	mutex_init(&state->dst_mutex);
1175	if (dst_addons & DST_TYPE_HAS_CA) {
1176		if ((rdc_8820_reset(state)) < 0) {
1177			dprintk(verbose, DST_ERROR, 1, "RDC 8820 RESET Failed.");
1178			return -1;
1179		}
1180		msleep(4000);
1181	} else {
1182		msleep(100);
1183	}
1184	if ((dst_comm_init(state)) < 0) {
1185		dprintk(verbose, DST_ERROR, 1, "DST Initialization Failed.");
1186		return -1;
1187	}
1188	msleep(100);
1189	if (dst_get_device_id(state) < 0) {
1190		dprintk(verbose, DST_ERROR, 1, "unknown device.");
1191		return -1;
1192	}
1193	if (dst_get_mac(state) < 0) {
1194		dprintk(verbose, DST_INFO, 1, "MAC: Unsupported command");
1195	}
1196	if ((state->type_flags & DST_TYPE_HAS_MULTI_FE) || (state->type_flags & DST_TYPE_HAS_FW_BUILD)) {
1197		if (dst_get_tuner_info(state) < 0)
1198			dprintk(verbose, DST_INFO, 1, "Tuner: Unsupported command");
1199	}
1200	if (state->type_flags & DST_TYPE_HAS_TS204) {
1201		dst_packsize(state, 204);
1202	}
1203	if (state->type_flags & DST_TYPE_HAS_FW_BUILD) {
1204		if (dst_fw_ver(state) < 0) {
1205			dprintk(verbose, DST_INFO, 1, "FW: Unsupported command");
1206			return 0;
1207		}
1208		if (dst_card_type(state) < 0) {
1209			dprintk(verbose, DST_INFO, 1, "Card: Unsupported command");
1210			return 0;
1211		}
1212		if (dst_get_vendor(state) < 0) {
1213			dprintk(verbose, DST_INFO, 1, "Vendor: Unsupported command");
1214			return 0;
1215		}
1216	}
1217
1218	return 0;
1219}
1220
1221static int dst_command(struct dst_state *state, u8 *data, u8 len)
1222{
1223	u8 reply;
1224
1225	mutex_lock(&state->dst_mutex);
1226	if ((dst_comm_init(state)) < 0) {
1227		dprintk(verbose, DST_NOTICE, 1, "DST Communication Initialization Failed.");
1228		goto error;
1229	}
1230	if (write_dst(state, data, len)) {
1231		dprintk(verbose, DST_INFO, 1, "Trying to recover.. ");
1232		if ((dst_error_recovery(state)) < 0) {
1233			dprintk(verbose, DST_ERROR, 1, "Recovery Failed.");
1234			goto error;
1235		}
1236		goto error;
1237	}
1238	if ((dst_pio_disable(state)) < 0) {
1239		dprintk(verbose, DST_ERROR, 1, "PIO Disable Failed.");
1240		goto error;
1241	}
1242	if (state->type_flags & DST_TYPE_HAS_FW_1)
1243		mdelay(3);
1244	if (read_dst(state, &reply, GET_ACK)) {
1245		dprintk(verbose, DST_DEBUG, 1, "Trying to recover.. ");
1246		if ((dst_error_recovery(state)) < 0) {
1247			dprintk(verbose, DST_INFO, 1, "Recovery Failed.");
1248			goto error;
1249		}
1250		goto error;
1251	}
1252	if (reply != ACK) {
1253		dprintk(verbose, DST_INFO, 1, "write not acknowledged 0x%02x ", reply);
1254		goto error;
1255	}
1256	if (len >= 2 && data[0] == 0 && (data[1] == 1 || data[1] == 3))
1257		goto error;
1258	if (state->type_flags & DST_TYPE_HAS_FW_1)
1259		mdelay(3);
1260	else
1261		udelay(2000);
1262	if (!dst_wait_dst_ready(state, NO_DELAY))
1263		goto error;
1264	if (read_dst(state, state->rxbuffer, FIXED_COMM)) {
1265		dprintk(verbose, DST_DEBUG, 1, "Trying to recover.. ");
1266		if ((dst_error_recovery(state)) < 0) {
1267			dprintk(verbose, DST_INFO, 1, "Recovery failed.");
1268			goto error;
1269		}
1270		goto error;
1271	}
1272	if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
1273		dprintk(verbose, DST_INFO, 1, "checksum failure");
1274		goto error;
1275	}
1276	mutex_unlock(&state->dst_mutex);
1277	return 0;
1278
1279error:
1280	mutex_unlock(&state->dst_mutex);
1281	return -EIO;
1282
1283}
1284
1285static int dst_get_signal(struct dst_state *state)
1286{
1287	int retval;
1288	u8 get_signal[] = { 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfb };
1289	//dprintk("%s: Getting Signal strength and other parameters\n", __func__);
1290	if ((state->diseq_flags & ATTEMPT_TUNE) == 0) {
1291		state->decode_lock = state->decode_strength = state->decode_snr = 0;
1292		return 0;
1293	}
1294	if (0 == (state->diseq_flags & HAS_LOCK)) {
1295		state->decode_lock = state->decode_strength = state->decode_snr = 0;
1296		return 0;
1297	}
1298	if (time_after_eq(jiffies, state->cur_jiff + (HZ / 5))) {
1299		retval = dst_command(state, get_signal, 8);
1300		if (retval < 0)
1301			return retval;
1302		if (state->dst_type == DST_TYPE_IS_SAT) {
1303			state->decode_lock = ((state->rxbuffer[6] & 0x10) == 0) ? 1 : 0;
1304			state->decode_strength = state->rxbuffer[5] << 8;
1305			state->decode_snr = state->rxbuffer[2] << 8 | state->rxbuffer[3];
1306		} else if ((state->dst_type == DST_TYPE_IS_TERR) || (state->dst_type == DST_TYPE_IS_CABLE)) {
1307			state->decode_lock = (state->rxbuffer[1]) ? 1 : 0;
1308			state->decode_strength = state->rxbuffer[4] << 8;
1309			state->decode_snr = state->rxbuffer[3] << 8;
1310		} else if (state->dst_type == DST_TYPE_IS_ATSC) {
1311			state->decode_lock = (state->rxbuffer[6] == 0x00) ? 1 : 0;
1312			state->decode_strength = state->rxbuffer[4] << 8;
1313			state->decode_snr = state->rxbuffer[2] << 8 | state->rxbuffer[3];
1314		}
1315		state->cur_jiff = jiffies;
1316	}
1317	return 0;
1318}
1319
1320static int dst_tone_power_cmd(struct dst_state *state)
1321{
1322	u8 paket[8] = { 0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00 };
1323
1324	if (state->dst_type != DST_TYPE_IS_SAT)
1325		return -EOPNOTSUPP;
1326	paket[4] = state->tx_tuna[4];
1327	paket[2] = state->tx_tuna[2];
1328	paket[3] = state->tx_tuna[3];
1329	paket[7] = dst_check_sum (paket, 7);
1330	return dst_command(state, paket, 8);
1331}
1332
1333static int dst_get_tuna(struct dst_state *state)
1334{
1335	int retval;
1336
1337	if ((state->diseq_flags & ATTEMPT_TUNE) == 0)
1338		return 0;
1339	state->diseq_flags &= ~(HAS_LOCK);
1340	if (!dst_wait_dst_ready(state, NO_DELAY))
1341		return -EIO;
1342	if ((state->type_flags & DST_TYPE_HAS_VLF) &&
1343		!(state->dst_type == DST_TYPE_IS_ATSC))
1344
1345		retval = read_dst(state, state->rx_tuna, 10);
1346	else
1347		retval = read_dst(state, &state->rx_tuna[2], FIXED_COMM);
1348	if (retval < 0) {
1349		dprintk(verbose, DST_DEBUG, 1, "read not successful");
1350		return retval;
1351	}
1352	if ((state->type_flags & DST_TYPE_HAS_VLF) &&
1353	   !(state->dst_type == DST_TYPE_IS_ATSC)) {
1354
1355		if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[0], 9)) {
1356			dprintk(verbose, DST_INFO, 1, "checksum failure ? ");
1357			return -EIO;
1358		}
1359	} else {
1360		if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[2], 7)) {
1361			dprintk(verbose, DST_INFO, 1, "checksum failure? ");
1362			return -EIO;
1363		}
1364	}
1365	if (state->rx_tuna[2] == 0 && state->rx_tuna[3] == 0)
1366		return 0;
1367	if (state->dst_type == DST_TYPE_IS_SAT) {
1368		state->decode_freq = ((state->rx_tuna[2] & 0x7f) << 8) + state->rx_tuna[3];
1369	} else {
1370		state->decode_freq = ((state->rx_tuna[2] & 0x7f) << 16) + (state->rx_tuna[3] << 8) + state->rx_tuna[4];
1371	}
1372	state->decode_freq = state->decode_freq * 1000;
1373	state->decode_lock = 1;
1374	state->diseq_flags |= HAS_LOCK;
1375
1376	return 1;
1377}
1378
1379static int dst_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage);
1380
1381static int dst_write_tuna(struct dvb_frontend *fe)
1382{
1383	struct dst_state *state = fe->demodulator_priv;
1384	int retval;
1385	u8 reply;
1386
1387	dprintk(verbose, DST_INFO, 1, "type_flags 0x%x ", state->type_flags);
1388	state->decode_freq = 0;
1389	state->decode_lock = state->decode_strength = state->decode_snr = 0;
1390	if (state->dst_type == DST_TYPE_IS_SAT) {
1391		if (!(state->diseq_flags & HAS_POWER))
1392			dst_set_voltage(fe, SEC_VOLTAGE_13);
1393	}
1394	state->diseq_flags &= ~(HAS_LOCK | ATTEMPT_TUNE);
1395	mutex_lock(&state->dst_mutex);
1396	if ((dst_comm_init(state)) < 0) {
1397		dprintk(verbose, DST_DEBUG, 1, "DST Communication initialization failed.");
1398		goto error;
1399	}
1400//	if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
1401	if ((state->type_flags & DST_TYPE_HAS_VLF) &&
1402		(!(state->dst_type == DST_TYPE_IS_ATSC))) {
1403
1404		state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[0], 9);
1405		retval = write_dst(state, &state->tx_tuna[0], 10);
1406	} else {
1407		state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[2], 7);
1408		retval = write_dst(state, &state->tx_tuna[2], FIXED_COMM);
1409	}
1410	if (retval < 0) {
1411		dst_pio_disable(state);
1412		dprintk(verbose, DST_DEBUG, 1, "write not successful");
1413		goto werr;
1414	}
1415	if ((dst_pio_disable(state)) < 0) {
1416		dprintk(verbose, DST_DEBUG, 1, "DST PIO disable failed !");
1417		goto error;
1418	}
1419	if ((read_dst(state, &reply, GET_ACK) < 0)) {
1420		dprintk(verbose, DST_DEBUG, 1, "read verify not successful.");
1421		goto error;
1422	}
1423	if (reply != ACK) {
1424		dprintk(verbose, DST_DEBUG, 1, "write not acknowledged 0x%02x ", reply);
1425		goto error;
1426	}
1427	state->diseq_flags |= ATTEMPT_TUNE;
1428	retval = dst_get_tuna(state);
1429werr:
1430	mutex_unlock(&state->dst_mutex);
1431	return retval;
1432
1433error:
1434	mutex_unlock(&state->dst_mutex);
1435	return -EIO;
1436}
1437
1438/*
1439 * line22k0    0x00, 0x09, 0x00, 0xff, 0x01, 0x00, 0x00, 0x00
1440 * line22k1    0x00, 0x09, 0x01, 0xff, 0x01, 0x00, 0x00, 0x00
1441 * line22k2    0x00, 0x09, 0x02, 0xff, 0x01, 0x00, 0x00, 0x00
1442 * tone        0x00, 0x09, 0xff, 0x00, 0x01, 0x00, 0x00, 0x00
1443 * data        0x00, 0x09, 0xff, 0x01, 0x01, 0x00, 0x00, 0x00
1444 * power_off   0x00, 0x09, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00
1445 * power_on    0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00
1446 * Diseqc 1    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec
1447 * Diseqc 2    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf4, 0xe8
1448 * Diseqc 3    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf8, 0xe4
1449 * Diseqc 4    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xfc, 0xe0
1450 */
1451
1452static int dst_set_diseqc(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd *cmd)
1453{
1454	struct dst_state *state = fe->demodulator_priv;
1455	u8 paket[8] = { 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec };
1456
1457	if (state->dst_type != DST_TYPE_IS_SAT)
1458		return -EOPNOTSUPP;
1459	if (cmd->msg_len > 0 && cmd->msg_len < 5)
1460		memcpy(&paket[3], cmd->msg, cmd->msg_len);
1461	else if (cmd->msg_len == 5 && state->dst_hw_cap & DST_TYPE_HAS_DISEQC5)
1462		memcpy(&paket[2], cmd->msg, cmd->msg_len);
1463	else
1464		return -EINVAL;
1465	paket[7] = dst_check_sum(&paket[0], 7);
1466	return dst_command(state, paket, 8);
1467}
1468
1469static int dst_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
1470{
1471	int need_cmd, retval = 0;
1472	struct dst_state *state = fe->demodulator_priv;
1473
1474	state->voltage = voltage;
1475	if (state->dst_type != DST_TYPE_IS_SAT)
1476		return -EOPNOTSUPP;
1477
1478	need_cmd = 0;
1479
1480	switch (voltage) {
1481	case SEC_VOLTAGE_13:
1482	case SEC_VOLTAGE_18:
1483		if ((state->diseq_flags & HAS_POWER) == 0)
1484			need_cmd = 1;
1485		state->diseq_flags |= HAS_POWER;
1486		state->tx_tuna[4] = 0x01;
1487		break;
1488	case SEC_VOLTAGE_OFF:
1489		need_cmd = 1;
1490		state->diseq_flags &= ~(HAS_POWER | HAS_LOCK | ATTEMPT_TUNE);
1491		state->tx_tuna[4] = 0x00;
1492		break;
1493	default:
1494		return -EINVAL;
1495	}
1496
1497	if (need_cmd)
1498		retval = dst_tone_power_cmd(state);
1499
1500	return retval;
1501}
1502
1503static int dst_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
1504{
1505	struct dst_state *state = fe->demodulator_priv;
1506
1507	state->tone = tone;
1508	if (state->dst_type != DST_TYPE_IS_SAT)
1509		return -EOPNOTSUPP;
1510
1511	switch (tone) {
1512	case SEC_TONE_OFF:
1513		if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1514		    state->tx_tuna[2] = 0x00;
1515		else
1516		    state->tx_tuna[2] = 0xff;
1517		break;
1518
1519	case SEC_TONE_ON:
1520		state->tx_tuna[2] = 0x02;
1521		break;
1522	default:
1523		return -EINVAL;
1524	}
1525	return dst_tone_power_cmd(state);
1526}
1527
1528static int dst_send_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t minicmd)
1529{
1530	struct dst_state *state = fe->demodulator_priv;
1531
1532	if (state->dst_type != DST_TYPE_IS_SAT)
1533		return -EOPNOTSUPP;
1534	state->minicmd = minicmd;
1535	switch (minicmd) {
1536	case SEC_MINI_A:
1537		state->tx_tuna[3] = 0x02;
1538		break;
1539	case SEC_MINI_B:
1540		state->tx_tuna[3] = 0xff;
1541		break;
1542	}
1543	return dst_tone_power_cmd(state);
1544}
1545
1546
1547static int bt8xx_dst_init(struct dvb_frontend *fe)
1548{
1549	struct dst_state *state = fe->demodulator_priv;
1550
1551	static u8 sat_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x00, 0x73, 0x21, 0x00, 0x00 };
1552	static u8 sat_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x55, 0xbd, 0x50, 0x00, 0x00 };
1553	static u8 ter_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1554	static u8 ter_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1555	static u8 cab_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1556	static u8 cab_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1557	static u8 atsc_tuner[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1558
1559	state->inversion = INVERSION_OFF;
1560	state->voltage = SEC_VOLTAGE_13;
1561	state->tone = SEC_TONE_OFF;
1562	state->diseq_flags = 0;
1563	state->k22 = 0x02;
1564	state->bandwidth = 7000000;
1565	state->cur_jiff = jiffies;
1566	if (state->dst_type == DST_TYPE_IS_SAT)
1567		memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_VLF) ? sat_tuna_188 : sat_tuna_204), sizeof (sat_tuna_204));
1568	else if (state->dst_type == DST_TYPE_IS_TERR)
1569		memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_VLF) ? ter_tuna_188 : ter_tuna_204), sizeof (ter_tuna_204));
1570	else if (state->dst_type == DST_TYPE_IS_CABLE)
1571		memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_VLF) ? cab_tuna_188 : cab_tuna_204), sizeof (cab_tuna_204));
1572	else if (state->dst_type == DST_TYPE_IS_ATSC)
1573		memcpy(state->tx_tuna, atsc_tuner, sizeof (atsc_tuner));
1574
1575	return 0;
1576}
1577
1578static int dst_read_status(struct dvb_frontend *fe, fe_status_t *status)
1579{
1580	struct dst_state *state = fe->demodulator_priv;
1581
1582	*status = 0;
1583	if (state->diseq_flags & HAS_LOCK) {
1584//		dst_get_signal(state);	// don't require(?) to ask MCU
1585		if (state->decode_lock)
1586			*status |= FE_HAS_LOCK | FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_SYNC | FE_HAS_VITERBI;
1587	}
1588
1589	return 0;
1590}
1591
1592static int dst_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
1593{
1594	struct dst_state *state = fe->demodulator_priv;
1595
1596	int retval = dst_get_signal(state);
1597	*strength = state->decode_strength;
1598
1599	return retval;
1600}
1601
1602static int dst_read_snr(struct dvb_frontend *fe, u16 *snr)
1603{
1604	struct dst_state *state = fe->demodulator_priv;
1605
1606	int retval = dst_get_signal(state);
1607	*snr = state->decode_snr;
1608
1609	return retval;
1610}
1611
1612static int dst_set_frontend(struct dvb_frontend *fe)
1613{
1614	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
1615	int retval = -EINVAL;
1616	struct dst_state *state = fe->demodulator_priv;
1617
1618	if (p != NULL) {
1619		retval = dst_set_freq(state, p->frequency);
1620		if(retval != 0)
1621			return retval;
1622		dprintk(verbose, DST_DEBUG, 1, "Set Frequency=[%d]", p->frequency);
1623
1624		if (state->dst_type == DST_TYPE_IS_SAT) {
1625			if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1626				dst_set_inversion(state, p->inversion);
1627			dst_set_fec(state, p->fec_inner);
1628			dst_set_symbolrate(state, p->symbol_rate);
1629			dst_set_polarization(state);
1630			dprintk(verbose, DST_DEBUG, 1, "Set Symbolrate=[%d]", p->symbol_rate);
1631
1632		} else if (state->dst_type == DST_TYPE_IS_TERR)
1633			dst_set_bandwidth(state, p->bandwidth_hz);
1634		else if (state->dst_type == DST_TYPE_IS_CABLE) {
1635			dst_set_fec(state, p->fec_inner);
1636			dst_set_symbolrate(state, p->symbol_rate);
1637			dst_set_modulation(state, p->modulation);
1638		}
1639		retval = dst_write_tuna(fe);
1640	}
1641
1642	return retval;
1643}
1644
1645static int dst_tune_frontend(struct dvb_frontend* fe,
1646			    bool re_tune,
1647			    unsigned int mode_flags,
1648			    unsigned int *delay,
1649			    fe_status_t *status)
1650{
1651	struct dst_state *state = fe->demodulator_priv;
1652	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
1653
1654	if (re_tune) {
1655		dst_set_freq(state, p->frequency);
1656		dprintk(verbose, DST_DEBUG, 1, "Set Frequency=[%d]", p->frequency);
1657
1658		if (state->dst_type == DST_TYPE_IS_SAT) {
1659			if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1660				dst_set_inversion(state, p->inversion);
1661			dst_set_fec(state, p->fec_inner);
1662			dst_set_symbolrate(state, p->symbol_rate);
1663			dst_set_polarization(state);
1664			dprintk(verbose, DST_DEBUG, 1, "Set Symbolrate=[%d]", p->symbol_rate);
1665
1666		} else if (state->dst_type == DST_TYPE_IS_TERR)
1667			dst_set_bandwidth(state, p->bandwidth_hz);
1668		else if (state->dst_type == DST_TYPE_IS_CABLE) {
1669			dst_set_fec(state, p->fec_inner);
1670			dst_set_symbolrate(state, p->symbol_rate);
1671			dst_set_modulation(state, p->modulation);
1672		}
1673		dst_write_tuna(fe);
1674	}
1675
1676	if (!(mode_flags & FE_TUNE_MODE_ONESHOT))
1677		dst_read_status(fe, status);
1678
1679	*delay = HZ/10;
1680	return 0;
1681}
1682
1683static int dst_get_tuning_algo(struct dvb_frontend *fe)
1684{
1685	return dst_algo ? DVBFE_ALGO_HW : DVBFE_ALGO_SW;
1686}
1687
1688static int dst_get_frontend(struct dvb_frontend *fe)
1689{
1690	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
1691	struct dst_state *state = fe->demodulator_priv;
1692
1693	p->frequency = state->decode_freq;
1694	if (state->dst_type == DST_TYPE_IS_SAT) {
1695		if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1696			p->inversion = state->inversion;
1697		p->symbol_rate = state->symbol_rate;
1698		p->fec_inner = dst_get_fec(state);
1699	} else if (state->dst_type == DST_TYPE_IS_TERR) {
1700		p->bandwidth_hz = state->bandwidth;
1701	} else if (state->dst_type == DST_TYPE_IS_CABLE) {
1702		p->symbol_rate = state->symbol_rate;
1703		p->fec_inner = dst_get_fec(state);
1704		p->modulation = dst_get_modulation(state);
1705	}
1706
1707	return 0;
1708}
1709
1710static void bt8xx_dst_release(struct dvb_frontend *fe)
1711{
1712	struct dst_state *state = fe->demodulator_priv;
1713	if (state->dst_ca) {
1714		dvb_unregister_device(state->dst_ca);
1715#ifdef CONFIG_MEDIA_ATTACH
1716		symbol_put(dst_ca_attach);
1717#endif
1718	}
1719	kfree(state);
1720}
1721
1722static struct dvb_frontend_ops dst_dvbt_ops;
1723static struct dvb_frontend_ops dst_dvbs_ops;
1724static struct dvb_frontend_ops dst_dvbc_ops;
1725static struct dvb_frontend_ops dst_atsc_ops;
1726
1727struct dst_state *dst_attach(struct dst_state *state, struct dvb_adapter *dvb_adapter)
1728{
1729	/* check if the ASIC is there */
1730	if (dst_probe(state) < 0) {
1731		kfree(state);
1732		return NULL;
1733	}
1734	/* determine settings based on type */
1735	/* create dvb_frontend */
1736	switch (state->dst_type) {
1737	case DST_TYPE_IS_TERR:
1738		memcpy(&state->frontend.ops, &dst_dvbt_ops, sizeof(struct dvb_frontend_ops));
1739		break;
1740	case DST_TYPE_IS_CABLE:
1741		memcpy(&state->frontend.ops, &dst_dvbc_ops, sizeof(struct dvb_frontend_ops));
1742		break;
1743	case DST_TYPE_IS_SAT:
1744		memcpy(&state->frontend.ops, &dst_dvbs_ops, sizeof(struct dvb_frontend_ops));
1745		break;
1746	case DST_TYPE_IS_ATSC:
1747		memcpy(&state->frontend.ops, &dst_atsc_ops, sizeof(struct dvb_frontend_ops));
1748		break;
1749	default:
1750		dprintk(verbose, DST_ERROR, 1, "unknown DST type. please report to the LinuxTV.org DVB mailinglist.");
1751		kfree(state);
1752		return NULL;
1753	}
1754	state->frontend.demodulator_priv = state;
1755
1756	return state;				/*	Manu (DST is a card not a frontend)	*/
1757}
1758
1759EXPORT_SYMBOL(dst_attach);
1760
1761static struct dvb_frontend_ops dst_dvbt_ops = {
1762	.delsys = { SYS_DVBT },
1763	.info = {
1764		.name = "DST DVB-T",
1765		.frequency_min = 137000000,
1766		.frequency_max = 858000000,
1767		.frequency_stepsize = 166667,
1768		.caps = FE_CAN_FEC_AUTO			|
1769			FE_CAN_QAM_AUTO			|
1770			FE_CAN_QAM_16			|
1771			FE_CAN_QAM_32			|
1772			FE_CAN_QAM_64			|
1773			FE_CAN_QAM_128			|
1774			FE_CAN_QAM_256			|
1775			FE_CAN_TRANSMISSION_MODE_AUTO	|
1776			FE_CAN_GUARD_INTERVAL_AUTO
1777	},
1778
1779	.release = bt8xx_dst_release,
1780	.init = bt8xx_dst_init,
1781	.tune = dst_tune_frontend,
1782	.set_frontend = dst_set_frontend,
1783	.get_frontend = dst_get_frontend,
1784	.get_frontend_algo = dst_get_tuning_algo,
1785	.read_status = dst_read_status,
1786	.read_signal_strength = dst_read_signal_strength,
1787	.read_snr = dst_read_snr,
1788};
1789
1790static struct dvb_frontend_ops dst_dvbs_ops = {
1791	.delsys = { SYS_DVBS },
1792	.info = {
1793		.name = "DST DVB-S",
1794		.frequency_min = 950000,
1795		.frequency_max = 2150000,
1796		.frequency_stepsize = 1000,	/* kHz for QPSK frontends */
1797		.frequency_tolerance = 29500,
1798		.symbol_rate_min = 1000000,
1799		.symbol_rate_max = 45000000,
1800	/*     . symbol_rate_tolerance	=	???,*/
1801		.caps = FE_CAN_FEC_AUTO | FE_CAN_QPSK
1802	},
1803
1804	.release = bt8xx_dst_release,
1805	.init = bt8xx_dst_init,
1806	.tune = dst_tune_frontend,
1807	.set_frontend = dst_set_frontend,
1808	.get_frontend = dst_get_frontend,
1809	.get_frontend_algo = dst_get_tuning_algo,
1810	.read_status = dst_read_status,
1811	.read_signal_strength = dst_read_signal_strength,
1812	.read_snr = dst_read_snr,
1813	.diseqc_send_burst = dst_send_burst,
1814	.diseqc_send_master_cmd = dst_set_diseqc,
1815	.set_voltage = dst_set_voltage,
1816	.set_tone = dst_set_tone,
1817};
1818
1819static struct dvb_frontend_ops dst_dvbc_ops = {
1820	.delsys = { SYS_DVBC_ANNEX_A },
1821	.info = {
1822		.name = "DST DVB-C",
1823		.frequency_stepsize = 62500,
1824		.frequency_min = 51000000,
1825		.frequency_max = 858000000,
1826		.symbol_rate_min = 1000000,
1827		.symbol_rate_max = 45000000,
1828		.caps = FE_CAN_FEC_AUTO |
1829			FE_CAN_QAM_AUTO |
1830			FE_CAN_QAM_16	|
1831			FE_CAN_QAM_32	|
1832			FE_CAN_QAM_64	|
1833			FE_CAN_QAM_128	|
1834			FE_CAN_QAM_256
1835	},
1836
1837	.release = bt8xx_dst_release,
1838	.init = bt8xx_dst_init,
1839	.tune = dst_tune_frontend,
1840	.set_frontend = dst_set_frontend,
1841	.get_frontend = dst_get_frontend,
1842	.get_frontend_algo = dst_get_tuning_algo,
1843	.read_status = dst_read_status,
1844	.read_signal_strength = dst_read_signal_strength,
1845	.read_snr = dst_read_snr,
1846};
1847
1848static struct dvb_frontend_ops dst_atsc_ops = {
1849	.delsys = { SYS_ATSC },
1850	.info = {
1851		.name = "DST ATSC",
1852		.frequency_stepsize = 62500,
1853		.frequency_min = 510000000,
1854		.frequency_max = 858000000,
1855		.symbol_rate_min = 1000000,
1856		.symbol_rate_max = 45000000,
1857		.caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO | FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_8VSB
1858	},
1859
1860	.release = bt8xx_dst_release,
1861	.init = bt8xx_dst_init,
1862	.tune = dst_tune_frontend,
1863	.set_frontend = dst_set_frontend,
1864	.get_frontend = dst_get_frontend,
1865	.get_frontend_algo = dst_get_tuning_algo,
1866	.read_status = dst_read_status,
1867	.read_signal_strength = dst_read_signal_strength,
1868	.read_snr = dst_read_snr,
1869};
1870
1871MODULE_DESCRIPTION("DST DVB-S/T/C/ATSC Combo Frontend driver");
1872MODULE_AUTHOR("Jamie Honan, Manu Abraham");
1873MODULE_LICENSE("GPL");
1874