xref: /linux/drivers/media/pci/bt8xx/dst.c (revision 93d90ad708b8da6efc0e487b66111aa9db7f70c7)
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 
33 static unsigned int verbose = 1;
34 module_param(verbose, int, 0644);
35 MODULE_PARM_DESC(verbose, "verbose startup messages, default is 1 (yes)");
36 
37 static unsigned int dst_addons;
38 module_param(dst_addons, int, 0644);
39 MODULE_PARM_DESC(dst_addons, "CA daughterboard, default is 0 (No addons)");
40 
41 static unsigned int dst_algo;
42 module_param(dst_algo, int, 0644);
43 MODULE_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 
74 static int dst_command(struct dst_state *state, u8 *data, u8 len);
75 
76 static 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 
84 static 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 
115 static 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 
130 int 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 }
146 EXPORT_SYMBOL(rdc_reset_state);
147 
148 static 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 
164 static 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 
175 int 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 }
186 EXPORT_SYMBOL(dst_pio_disable);
187 
188 int 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 }
208 EXPORT_SYMBOL(dst_wait_dst_ready);
209 
210 int 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 }
220 EXPORT_SYMBOL(dst_error_recovery);
221 
222 int 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 }
231 EXPORT_SYMBOL(dst_error_bailout);
232 
233 int 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 }
251 EXPORT_SYMBOL(dst_comm_init);
252 
253 int 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 }
287 EXPORT_SYMBOL(write_dst);
288 
289 int 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 }
323 EXPORT_SYMBOL(read_dst);
324 
325 static 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 
343 static 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 
389 static 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 
428 static 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 
445 static int dst_set_fec(struct dst_state *state, fe_code_rate_t fec)
446 {
447 	state->fec = fec;
448 	return 0;
449 }
450 
451 static fe_code_rate_t dst_get_fec(struct dst_state *state)
452 {
453 	return state->fec;
454 }
455 
456 static 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 
502 static 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 
539 static fe_modulation_t dst_get_modulation(struct dst_state *state)
540 {
541 	return state->modulation;
542 }
543 
544 
545 u8 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 }
556 EXPORT_SYMBOL(dst_check_sum);
557 
558 static 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 
583 static 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 
612 static 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 
768 static 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 
910 static 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 
925 static 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 
943 static 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 
969 static 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 
984 static 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 
996 static 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 
1016 static 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 
1036 static 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;
1072 force:
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 
1081 static 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 
1172 static 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 
1221 static 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 
1279 error:
1280 	mutex_unlock(&state->dst_mutex);
1281 	return -EIO;
1282 
1283 }
1284 
1285 static 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 
1320 static 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 
1333 static 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 
1379 static int dst_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage);
1380 
1381 static 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);
1429 werr:
1430 	mutex_unlock(&state->dst_mutex);
1431 	return retval;
1432 
1433 error:
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 
1452 static 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 
1469 static 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 
1503 static 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 
1528 static 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 
1547 static 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 
1578 static 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 
1592 static 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 
1602 static 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 
1612 static 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 
1645 static 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 
1683 static int dst_get_tuning_algo(struct dvb_frontend *fe)
1684 {
1685 	return dst_algo ? DVBFE_ALGO_HW : DVBFE_ALGO_SW;
1686 }
1687 
1688 static 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 
1710 static 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 
1722 static struct dvb_frontend_ops dst_dvbt_ops;
1723 static struct dvb_frontend_ops dst_dvbs_ops;
1724 static struct dvb_frontend_ops dst_dvbc_ops;
1725 static struct dvb_frontend_ops dst_atsc_ops;
1726 
1727 struct 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 
1759 EXPORT_SYMBOL(dst_attach);
1760 
1761 static 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 
1790 static 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 
1819 static 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 
1848 static 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 
1871 MODULE_DESCRIPTION("DST DVB-S/T/C/ATSC Combo Frontend driver");
1872 MODULE_AUTHOR("Jamie Honan, Manu Abraham");
1873 MODULE_LICENSE("GPL");
1874