V4L/DVB (4171): Fix Daughterboard detection
[firefly-linux-kernel-4.4.55.git] / drivers / media / dvb / bt8xx / dst.c
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 "%s: " format "\n", __FUNCTION__ , ##arg);      \
58                 else if ((x > DST_NOTICE) && (x > y))                                   \
59                         printk(KERN_NOTICE "%s: " format "\n", __FUNCTION__ , ##arg);   \
60                 else if ((x > DST_INFO) && (x > y))                                     \
61                         printk(KERN_INFO "%s: " format "\n", __FUNCTION__ , ##arg);     \
62                 else if ((x > DST_DEBUG) && (x > y))                                    \
63                         printk(KERN_DEBUG "%s: " format "\n", __FUNCTION__ , ##arg);    \
64         } else {                                                                        \
65                 if (x > y)                                                              \
66                         printk(format, ##arg);                                          \
67         }                                                                               \
68 } while(0)
69
70
71 static void dst_packsize(struct dst_state *state, int psize)
72 {
73         union dst_gpio_packet bits;
74
75         bits.psize = psize;
76         bt878_device_control(state->bt, DST_IG_TS, &bits);
77 }
78
79 int dst_gpio_outb(struct dst_state *state, u32 mask, u32 enbb, u32 outhigh, int delay)
80 {
81         union dst_gpio_packet enb;
82         union dst_gpio_packet bits;
83         int err;
84
85         enb.enb.mask = mask;
86         enb.enb.enable = enbb;
87
88         dprintk(verbose, DST_INFO, 1, "mask=[%04x], enbb=[%04x], outhigh=[%04x]", mask, enbb, outhigh);
89         if ((err = bt878_device_control(state->bt, DST_IG_ENABLE, &enb)) < 0) {
90                 dprintk(verbose, DST_INFO, 1, "dst_gpio_enb error (err == %i, mask == %02x, enb == %02x)", err, mask, enbb);
91                 return -EREMOTEIO;
92         }
93         udelay(1000);
94         /* because complete disabling means no output, no need to do output packet */
95         if (enbb == 0)
96                 return 0;
97         if (delay)
98                 msleep(10);
99         bits.outp.mask = enbb;
100         bits.outp.highvals = outhigh;
101         if ((err = bt878_device_control(state->bt, DST_IG_WRITE, &bits)) < 0) {
102                 dprintk(verbose, DST_INFO, 1, "dst_gpio_outb error (err == %i, enbb == %02x, outhigh == %02x)", err, enbb, outhigh);
103                 return -EREMOTEIO;
104         }
105
106         return 0;
107 }
108 EXPORT_SYMBOL(dst_gpio_outb);
109
110 int dst_gpio_inb(struct dst_state *state, u8 *result)
111 {
112         union dst_gpio_packet rd_packet;
113         int err;
114
115         *result = 0;
116         if ((err = bt878_device_control(state->bt, DST_IG_READ, &rd_packet)) < 0) {
117                 dprintk(verbose, DST_ERROR, 1, "dst_gpio_inb error (err == %i)\n", err);
118                 return -EREMOTEIO;
119         }
120         *result = (u8) rd_packet.rd.value;
121
122         return 0;
123 }
124 EXPORT_SYMBOL(dst_gpio_inb);
125
126 int rdc_reset_state(struct dst_state *state)
127 {
128         dprintk(verbose, DST_INFO, 1, "Resetting state machine");
129         if (dst_gpio_outb(state, RDC_8820_INT, RDC_8820_INT, 0, NO_DELAY) < 0) {
130                 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
131                 return -1;
132         }
133         msleep(10);
134         if (dst_gpio_outb(state, RDC_8820_INT, RDC_8820_INT, RDC_8820_INT, NO_DELAY) < 0) {
135                 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
136                 msleep(10);
137                 return -1;
138         }
139
140         return 0;
141 }
142 EXPORT_SYMBOL(rdc_reset_state);
143
144 int rdc_8820_reset(struct dst_state *state)
145 {
146         dprintk(verbose, DST_DEBUG, 1, "Resetting DST");
147         if (dst_gpio_outb(state, RDC_8820_RESET, RDC_8820_RESET, 0, NO_DELAY) < 0) {
148                 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
149                 return -1;
150         }
151         udelay(1000);
152         if (dst_gpio_outb(state, RDC_8820_RESET, RDC_8820_RESET, RDC_8820_RESET, DELAY) < 0) {
153                 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
154                 return -1;
155         }
156
157         return 0;
158 }
159 EXPORT_SYMBOL(rdc_8820_reset);
160
161 int dst_pio_enable(struct dst_state *state)
162 {
163         if (dst_gpio_outb(state, ~0, RDC_8820_PIO_0_ENABLE, 0, NO_DELAY) < 0) {
164                 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
165                 return -1;
166         }
167         udelay(1000);
168
169         return 0;
170 }
171 EXPORT_SYMBOL(dst_pio_enable);
172
173 int dst_pio_disable(struct dst_state *state)
174 {
175         if (dst_gpio_outb(state, ~0, RDC_8820_PIO_0_DISABLE, RDC_8820_PIO_0_DISABLE, NO_DELAY) < 0) {
176                 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
177                 return -1;
178         }
179         if (state->type_flags & DST_TYPE_HAS_FW_1)
180                 udelay(1000);
181
182         return 0;
183 }
184 EXPORT_SYMBOL(dst_pio_disable);
185
186 int dst_wait_dst_ready(struct dst_state *state, u8 delay_mode)
187 {
188         u8 reply;
189         int i;
190
191         for (i = 0; i < 200; i++) {
192                 if (dst_gpio_inb(state, &reply) < 0) {
193                         dprintk(verbose, DST_ERROR, 1, "dst_gpio_inb ERROR !");
194                         return -1;
195                 }
196                 if ((reply & RDC_8820_PIO_0_ENABLE) == 0) {
197                         dprintk(verbose, DST_INFO, 1, "dst wait ready after %d", i);
198                         return 1;
199                 }
200                 msleep(10);
201         }
202         dprintk(verbose, DST_NOTICE, 1, "dst wait NOT ready after %d", i);
203
204         return 0;
205 }
206 EXPORT_SYMBOL(dst_wait_dst_ready);
207
208 int dst_error_recovery(struct dst_state *state)
209 {
210         dprintk(verbose, DST_NOTICE, 1, "Trying to return from previous errors.");
211         dst_pio_disable(state);
212         msleep(10);
213         dst_pio_enable(state);
214         msleep(10);
215
216         return 0;
217 }
218 EXPORT_SYMBOL(dst_error_recovery);
219
220 int dst_error_bailout(struct dst_state *state)
221 {
222         dprintk(verbose, DST_INFO, 1, "Trying to bailout from previous error.");
223         rdc_8820_reset(state);
224         dst_pio_disable(state);
225         msleep(10);
226
227         return 0;
228 }
229 EXPORT_SYMBOL(dst_error_bailout);
230
231 int dst_comm_init(struct dst_state *state)
232 {
233         dprintk(verbose, DST_INFO, 1, "Initializing DST.");
234         if ((dst_pio_enable(state)) < 0) {
235                 dprintk(verbose, DST_ERROR, 1, "PIO Enable Failed");
236                 return -1;
237         }
238         if ((rdc_reset_state(state)) < 0) {
239                 dprintk(verbose, DST_ERROR, 1, "RDC 8820 State RESET Failed.");
240                 return -1;
241         }
242         if (state->type_flags & DST_TYPE_HAS_FW_1)
243                 msleep(100);
244         else
245                 msleep(5);
246
247         return 0;
248 }
249 EXPORT_SYMBOL(dst_comm_init);
250
251 int write_dst(struct dst_state *state, u8 *data, u8 len)
252 {
253         struct i2c_msg msg = {
254                 .addr = state->config->demod_address,
255                 .flags = 0,
256                 .buf = data,
257                 .len = len
258         };
259
260         int err;
261         u8 cnt, i;
262
263         dprintk(verbose, DST_NOTICE, 0, "writing [ ");
264         for (i = 0; i < len; i++)
265                 dprintk(verbose, DST_NOTICE, 0, "%02x ", data[i]);
266         dprintk(verbose, DST_NOTICE, 0, "]\n");
267
268         for (cnt = 0; cnt < 2; cnt++) {
269                 if ((err = i2c_transfer(state->i2c, &msg, 1)) < 0) {
270                         dprintk(verbose, DST_INFO, 1, "_write_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)", err, len, data[0]);
271                         dst_error_recovery(state);
272                         continue;
273                 } else
274                         break;
275         }
276         if (cnt >= 2) {
277                 dprintk(verbose, DST_INFO, 1, "RDC 8820 RESET");
278                 dst_error_bailout(state);
279
280                 return -1;
281         }
282
283         return 0;
284 }
285 EXPORT_SYMBOL(write_dst);
286
287 int read_dst(struct dst_state *state, u8 *ret, u8 len)
288 {
289         struct i2c_msg msg = {
290                 .addr = state->config->demod_address,
291                 .flags = I2C_M_RD,
292                 .buf = ret,
293                 .len = len
294         };
295
296         int err;
297         int cnt;
298
299         for (cnt = 0; cnt < 2; cnt++) {
300                 if ((err = i2c_transfer(state->i2c, &msg, 1)) < 0) {
301                         dprintk(verbose, DST_INFO, 1, "read_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)", err, len, ret[0]);
302                         dst_error_recovery(state);
303                         continue;
304                 } else
305                         break;
306         }
307         if (cnt >= 2) {
308                 dprintk(verbose, DST_INFO, 1, "RDC 8820 RESET");
309                 dst_error_bailout(state);
310
311                 return -1;
312         }
313         dprintk(verbose, DST_DEBUG, 1, "reply is 0x%x", ret[0]);
314         for (err = 1; err < len; err++)
315                 dprintk(verbose, DST_DEBUG, 0, " 0x%x", ret[err]);
316         if (err > 1)
317                 dprintk(verbose, DST_DEBUG, 0, "\n");
318
319         return 0;
320 }
321 EXPORT_SYMBOL(read_dst);
322
323 static int dst_set_polarization(struct dst_state *state)
324 {
325         switch (state->voltage) {
326         case SEC_VOLTAGE_13:    /*      Vertical        */
327                 dprintk(verbose, DST_INFO, 1, "Polarization=[Vertical]");
328                 state->tx_tuna[8] &= ~0x40;
329                 break;
330         case SEC_VOLTAGE_18:    /*      Horizontal      */
331                 dprintk(verbose, DST_INFO, 1, "Polarization=[Horizontal]");
332                 state->tx_tuna[8] |= 0x40;
333                 break;
334         case SEC_VOLTAGE_OFF:
335                 break;
336         }
337
338         return 0;
339 }
340
341 static int dst_set_freq(struct dst_state *state, u32 freq)
342 {
343         state->frequency = freq;
344         dprintk(verbose, DST_INFO, 1, "set Frequency %u", freq);
345
346         if (state->dst_type == DST_TYPE_IS_SAT) {
347                 freq = freq / 1000;
348                 if (freq < 950 || freq > 2150)
349                         return -EINVAL;
350                 state->tx_tuna[2] = (freq >> 8);
351                 state->tx_tuna[3] = (u8) freq;
352                 state->tx_tuna[4] = 0x01;
353                 state->tx_tuna[8] &= ~0x04;
354                 if (state->type_flags & DST_TYPE_HAS_OBS_REGS) {
355                         if (freq < 1531)
356                                 state->tx_tuna[8] |= 0x04;
357                 }
358         } else if (state->dst_type == DST_TYPE_IS_TERR) {
359                 freq = freq / 1000;
360                 if (freq < 137000 || freq > 858000)
361                         return -EINVAL;
362                 state->tx_tuna[2] = (freq >> 16) & 0xff;
363                 state->tx_tuna[3] = (freq >> 8) & 0xff;
364                 state->tx_tuna[4] = (u8) freq;
365         } else if (state->dst_type == DST_TYPE_IS_CABLE) {
366                 freq = freq / 1000;
367                 state->tx_tuna[2] = (freq >> 16) & 0xff;
368                 state->tx_tuna[3] = (freq >> 8) & 0xff;
369                 state->tx_tuna[4] = (u8) freq;
370         } else if (state->dst_type == DST_TYPE_IS_ATSC) {
371                 freq = freq / 1000;
372                 if (freq < 51000 || freq > 858000)
373                         return -EINVAL;
374                 state->tx_tuna[2] = (freq >> 16) & 0xff;
375                 state->tx_tuna[3] = (freq >>  8) & 0xff;
376                 state->tx_tuna[4] = (u8) freq;
377                 state->tx_tuna[5] = 0x00;               /*      ATSC    */
378                 state->tx_tuna[6] = 0x00;
379                 if (state->dst_hw_cap & DST_TYPE_HAS_ANALOG)
380                         state->tx_tuna[7] = 0x00;       /*      Digital */
381         } else
382                 return -EINVAL;
383
384         return 0;
385 }
386
387 static int dst_set_bandwidth(struct dst_state *state, fe_bandwidth_t bandwidth)
388 {
389         state->bandwidth = bandwidth;
390
391         if (state->dst_type != DST_TYPE_IS_TERR)
392                 return 0;
393
394         switch (bandwidth) {
395         case BANDWIDTH_6_MHZ:
396                 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
397                         state->tx_tuna[7] = 0x06;
398                 else {
399                         state->tx_tuna[6] = 0x06;
400                         state->tx_tuna[7] = 0x00;
401                 }
402                 break;
403         case BANDWIDTH_7_MHZ:
404                 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
405                         state->tx_tuna[7] = 0x07;
406                 else {
407                         state->tx_tuna[6] = 0x07;
408                         state->tx_tuna[7] = 0x00;
409                 }
410                 break;
411         case BANDWIDTH_8_MHZ:
412                 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
413                         state->tx_tuna[7] = 0x08;
414                 else {
415                         state->tx_tuna[6] = 0x08;
416                         state->tx_tuna[7] = 0x00;
417                 }
418                 break;
419         default:
420                 return -EINVAL;
421         }
422
423         return 0;
424 }
425
426 static int dst_set_inversion(struct dst_state *state, fe_spectral_inversion_t inversion)
427 {
428         state->inversion = inversion;
429         switch (inversion) {
430         case INVERSION_OFF:     /*      Inversion = Normal      */
431                 state->tx_tuna[8] &= ~0x80;
432                 break;
433         case INVERSION_ON:
434                 state->tx_tuna[8] |= 0x80;
435                 break;
436         default:
437                 return -EINVAL;
438         }
439
440         return 0;
441 }
442
443 static int dst_set_fec(struct dst_state *state, fe_code_rate_t fec)
444 {
445         state->fec = fec;
446         return 0;
447 }
448
449 static fe_code_rate_t dst_get_fec(struct dst_state *state)
450 {
451         return state->fec;
452 }
453
454 static int dst_set_symbolrate(struct dst_state *state, u32 srate)
455 {
456         u32 symcalc;
457         u64 sval;
458
459         state->symbol_rate = srate;
460         if (state->dst_type == DST_TYPE_IS_TERR) {
461                 return 0;
462         }
463         dprintk(verbose, DST_INFO, 1, "set symrate %u", srate);
464         srate /= 1000;
465         if (state->type_flags & DST_TYPE_HAS_SYMDIV) {
466                 sval = srate;
467                 sval <<= 20;
468                 do_div(sval, 88000);
469                 symcalc = (u32) sval;
470                 dprintk(verbose, DST_INFO, 1, "set symcalc %u", symcalc);
471                 state->tx_tuna[5] = (u8) (symcalc >> 12);
472                 state->tx_tuna[6] = (u8) (symcalc >> 4);
473                 state->tx_tuna[7] = (u8) (symcalc << 4);
474         } else {
475                 state->tx_tuna[5] = (u8) (srate >> 16) & 0x7f;
476                 state->tx_tuna[6] = (u8) (srate >> 8);
477                 state->tx_tuna[7] = (u8) srate;
478         }
479         state->tx_tuna[8] &= ~0x20;
480         if (state->type_flags & DST_TYPE_HAS_OBS_REGS) {
481                 if (srate > 8000)
482                         state->tx_tuna[8] |= 0x20;
483         }
484         return 0;
485 }
486
487
488 static int dst_set_modulation(struct dst_state *state, fe_modulation_t modulation)
489 {
490         if (state->dst_type != DST_TYPE_IS_CABLE)
491                 return 0;
492
493         state->modulation = modulation;
494         switch (modulation) {
495         case QAM_16:
496                 state->tx_tuna[8] = 0x10;
497                 break;
498         case QAM_32:
499                 state->tx_tuna[8] = 0x20;
500                 break;
501         case QAM_64:
502                 state->tx_tuna[8] = 0x40;
503                 break;
504         case QAM_128:
505                 state->tx_tuna[8] = 0x80;
506                 break;
507         case QAM_256:
508                 state->tx_tuna[8] = 0x00;
509                 break;
510         case QPSK:
511         case QAM_AUTO:
512         case VSB_8:
513         case VSB_16:
514         default:
515                 return -EINVAL;
516
517         }
518
519         return 0;
520 }
521
522 static fe_modulation_t dst_get_modulation(struct dst_state *state)
523 {
524         return state->modulation;
525 }
526
527
528 u8 dst_check_sum(u8 *buf, u32 len)
529 {
530         u32 i;
531         u8 val = 0;
532         if (!len)
533                 return 0;
534         for (i = 0; i < len; i++) {
535                 val += buf[i];
536         }
537         return ((~val) + 1);
538 }
539 EXPORT_SYMBOL(dst_check_sum);
540
541 static void dst_type_flags_print(u32 type_flags)
542 {
543         dprintk(verbose, DST_ERROR, 0, "DST type flags :");
544         if (type_flags & DST_TYPE_HAS_NEWTUNE)
545                 dprintk(verbose, DST_ERROR, 0, " 0x%x newtuner", DST_TYPE_HAS_NEWTUNE);
546         if (type_flags & DST_TYPE_HAS_NEWTUNE_2)
547                 dprintk(verbose, DST_ERROR, 0, " 0x%x newtuner 2", DST_TYPE_HAS_NEWTUNE_2);
548         if (type_flags & DST_TYPE_HAS_TS204)
549                 dprintk(verbose, DST_ERROR, 0, " 0x%x ts204", DST_TYPE_HAS_TS204);
550         if (type_flags & DST_TYPE_HAS_SYMDIV)
551                 dprintk(verbose, DST_ERROR, 0, " 0x%x symdiv", DST_TYPE_HAS_SYMDIV);
552         if (type_flags & DST_TYPE_HAS_FW_1)
553                 dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 1", DST_TYPE_HAS_FW_1);
554         if (type_flags & DST_TYPE_HAS_FW_2)
555                 dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 2", DST_TYPE_HAS_FW_2);
556         if (type_flags & DST_TYPE_HAS_FW_3)
557                 dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 3", DST_TYPE_HAS_FW_3);
558         dprintk(verbose, DST_ERROR, 0, "\n");
559 }
560
561
562 static int dst_type_print(u8 type)
563 {
564         char *otype;
565         switch (type) {
566         case DST_TYPE_IS_SAT:
567                 otype = "satellite";
568                 break;
569
570         case DST_TYPE_IS_TERR:
571                 otype = "terrestrial";
572                 break;
573
574         case DST_TYPE_IS_CABLE:
575                 otype = "cable";
576                 break;
577
578         case DST_TYPE_IS_ATSC:
579                 otype = "atsc";
580                 break;
581
582         default:
583                 dprintk(verbose, DST_INFO, 1, "invalid dst type %d", type);
584                 return -EINVAL;
585         }
586         dprintk(verbose, DST_INFO, 1, "DST type: %s", otype);
587
588         return 0;
589 }
590
591 struct tuner_types tuner_list[] = {
592         {
593                 .tuner_type = TUNER_TYPE_L64724,
594                 .tuner_name = "L 64724",
595                 .board_name = "UNKNOWN",
596                 .fw_name    = "UNKNOWN"
597         },
598
599         {
600                 .tuner_type = TUNER_TYPE_STV0299,
601                 .tuner_name = "STV 0299",
602                 .board_name = "VP1020",
603                 .fw_name    = "DST-MOT"
604         },
605
606         {
607                 .tuner_type = TUNER_TYPE_STV0299,
608                 .tuner_name = "STV 0299",
609                 .board_name = "VP1020",
610                 .fw_name    = "DST-03T"
611         },
612
613         {
614                 .tuner_type = TUNER_TYPE_MB86A15,
615                 .tuner_name = "MB 86A15",
616                 .board_name = "VP1022",
617                 .fw_name    = "DST-03T"
618         },
619
620         {
621                 .tuner_type = TUNER_TYPE_MB86A15,
622                 .tuner_name = "MB 86A15",
623                 .board_name = "VP1025",
624                 .fw_name    = "DST-03T"
625         },
626
627         {
628                 .tuner_type = TUNER_TYPE_STV0299,
629                 .tuner_name = "STV 0299",
630                 .board_name = "VP1030",
631                 .fw_name    = "DST-CI"
632         },
633
634         {
635                 .tuner_type = TUNER_TYPE_STV0299,
636                 .tuner_name = "STV 0299",
637                 .board_name = "VP1030",
638                 .fw_name    = "DSTMCI"
639         },
640
641         {
642                 .tuner_type = TUNER_TYPE_UNKNOWN,
643                 .tuner_name = "UNKNOWN",
644                 .board_name = "VP2030",
645                 .fw_name    = "DCT-CI"
646         },
647
648         {
649                 .tuner_type = TUNER_TYPE_UNKNOWN,
650                 .tuner_name = "UNKNOWN",
651                 .board_name = "VP2031",
652                 .fw_name    = "DCT-CI"
653         },
654
655         {
656                 .tuner_type = TUNER_TYPE_UNKNOWN,
657                 .tuner_name = "UNKNOWN",
658                 .board_name = "VP2040",
659                 .fw_name    = "DCT-CI"
660         },
661
662         {
663                 .tuner_type = TUNER_TYPE_UNKNOWN,
664                 .tuner_name = "UNKNOWN",
665                 .board_name = "VP3020",
666                 .fw_name    = "DTTFTA"
667         },
668
669         {
670                 .tuner_type = TUNER_TYPE_UNKNOWN,
671                 .tuner_name = "UNKNOWN",
672                 .board_name = "VP3021",
673                 .fw_name    = "DTTFTA"
674         },
675
676         {
677                 .tuner_type = TUNER_TYPE_TDA10046,
678                 .tuner_name = "TDA10046",
679                 .board_name = "VP3040",
680                 .fw_name    = "DTT-CI"
681         },
682
683         {
684                 .tuner_type = TUNER_TYPE_UNKNOWN,
685                 .tuner_name = "UNKNOWN",
686                 .board_name = "VP3051",
687                 .fw_name    = "DTTNXT"
688         },
689
690         {
691                 .tuner_type = TUNER_TYPE_NXT200x,
692                 .tuner_name = "NXT200x",
693                 .board_name = "VP3220",
694                 .fw_name    = "ATSCDI"
695         },
696
697         {
698                 .tuner_type = TUNER_TYPE_NXT200x,
699                 .tuner_name = "NXT200x",
700                 .board_name = "VP3250",
701                 .fw_name    = "ATSCAD"
702         },
703 };
704
705 /*
706         Known cards list
707         Satellite
708         -------------------
709                   200103A
710         VP-1020   DST-MOT       LG(old), TS=188
711
712         VP-1020   DST-03T       LG(new), TS=204
713         VP-1022   DST-03T       LG(new), TS=204
714         VP-1025   DST-03T       LG(new), TS=204
715
716         VP-1030   DSTMCI,       LG(new), TS=188
717         VP-1032   DSTMCI,       LG(new), TS=188
718
719         Cable
720         -------------------
721         VP-2030   DCT-CI,       Samsung, TS=204
722         VP-2021   DCT-CI,       Unknown, TS=204
723         VP-2031   DCT-CI,       Philips, TS=188
724         VP-2040   DCT-CI,       Philips, TS=188, with CA daughter board
725         VP-2040   DCT-CI,       Philips, TS=204, without CA daughter board
726
727         Terrestrial
728         -------------------
729         VP-3050  DTTNXT                  TS=188
730         VP-3040  DTT-CI,        Philips, TS=188
731         VP-3040  DTT-CI,        Philips, TS=204
732
733         ATSC
734         -------------------
735         VP-3220  ATSCDI,                 TS=188
736         VP-3250  ATSCAD,                 TS=188
737
738 */
739
740 static struct dst_types dst_tlist[] = {
741         {
742                 .device_id = "200103A",
743                 .offset = 0,
744                 .dst_type =  DST_TYPE_IS_SAT,
745                 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1 | DST_TYPE_HAS_OBS_REGS,
746                 .dst_feature = 0,
747                 .tuner_type = 0
748         },      /*      obsolete        */
749
750         {
751                 .device_id = "DST-020",
752                 .offset = 0,
753                 .dst_type =  DST_TYPE_IS_SAT,
754                 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
755                 .dst_feature = 0,
756                 .tuner_type = 0
757         },      /*      obsolete        */
758
759         {
760                 .device_id = "DST-030",
761                 .offset =  0,
762                 .dst_type = DST_TYPE_IS_SAT,
763                 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1,
764                 .dst_feature = 0,
765                 .tuner_type = 0
766         },      /*      obsolete        */
767
768         {
769                 .device_id = "DST-03T",
770                 .offset = 0,
771                 .dst_type = DST_TYPE_IS_SAT,
772                 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_TS204 | DST_TYPE_HAS_FW_2,
773                 .dst_feature = DST_TYPE_HAS_DISEQC3 | DST_TYPE_HAS_DISEQC4 | DST_TYPE_HAS_DISEQC5
774                                                          | DST_TYPE_HAS_MAC | DST_TYPE_HAS_MOTO,
775                 .tuner_type = TUNER_TYPE_MULTI
776          },
777
778         {
779                 .device_id = "DST-MOT",
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-CI",
789                 .offset = 1,
790                 .dst_type = DST_TYPE_IS_SAT,
791                 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_FW_1,
792                 .dst_feature = DST_TYPE_HAS_CA,
793                 .tuner_type = 0
794         },      /*      An OEM board    */
795
796         {
797                 .device_id = "DSTMCI",
798                 .offset = 1,
799                 .dst_type = DST_TYPE_IS_SAT,
800                 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD | DST_TYPE_HAS_INC_COUNT,
801                 .dst_feature = DST_TYPE_HAS_CA | DST_TYPE_HAS_DISEQC3 | DST_TYPE_HAS_DISEQC4
802                                                         | DST_TYPE_HAS_MOTO | DST_TYPE_HAS_MAC,
803                 .tuner_type = TUNER_TYPE_MULTI
804         },
805
806         {
807                 .device_id = "DSTFCI",
808                 .offset = 1,
809                 .dst_type = DST_TYPE_IS_SAT,
810                 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1,
811                 .dst_feature = 0,
812                 .tuner_type = 0
813         },      /* unknown to vendor    */
814
815         {
816                 .device_id = "DCT-CI",
817                 .offset = 1,
818                 .dst_type = DST_TYPE_IS_CABLE,
819                 .type_flags = DST_TYPE_HAS_MULTI_FE | DST_TYPE_HAS_FW_1 | DST_TYPE_HAS_FW_2,
820                 .dst_feature = DST_TYPE_HAS_CA,
821                 .tuner_type = 0
822         },
823
824         {
825                 .device_id = "DCTNEW",
826                 .offset = 1,
827                 .dst_type = DST_TYPE_IS_CABLE,
828                 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_3 | DST_TYPE_HAS_FW_BUILD,
829                 .dst_feature = 0,
830                 .tuner_type = 0
831         },
832
833         {
834                 .device_id = "DTT-CI",
835                 .offset = 1,
836                 .dst_type = DST_TYPE_IS_TERR,
837                 .type_flags = DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_MULTI_FE,
838                 .dst_feature = DST_TYPE_HAS_CA,
839                 .tuner_type = 0
840         },
841
842         {
843                 .device_id = "DTTDIG",
844                 .offset = 1,
845                 .dst_type = DST_TYPE_IS_TERR,
846                 .type_flags = DST_TYPE_HAS_FW_2,
847                 .dst_feature = 0,
848                 .tuner_type = 0
849         },
850
851         {
852                 .device_id = "DTTNXT",
853                 .offset = 1,
854                 .dst_type = DST_TYPE_IS_TERR,
855                 .type_flags = DST_TYPE_HAS_FW_2,
856                 .dst_feature = DST_TYPE_HAS_ANALOG,
857                 .tuner_type = 0
858         },
859
860         {
861                 .device_id = "ATSCDI",
862                 .offset = 1,
863                 .dst_type = DST_TYPE_IS_ATSC,
864                 .type_flags = DST_TYPE_HAS_FW_2,
865                 .dst_feature = 0,
866                 .tuner_type = 0
867         },
868
869         {
870                 .device_id = "ATSCAD",
871                 .offset = 1,
872                 .dst_type = DST_TYPE_IS_ATSC,
873                 .type_flags = DST_TYPE_HAS_MULTI_FE | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD,
874                 .dst_feature = DST_TYPE_HAS_MAC | DST_TYPE_HAS_ANALOG,
875                 .tuner_type = 0
876         },
877
878         { }
879
880 };
881
882 static int dst_get_mac(struct dst_state *state)
883 {
884         u8 get_mac[] = { 0x00, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
885         get_mac[7] = dst_check_sum(get_mac, 7);
886         if (dst_command(state, get_mac, 8) < 0) {
887                 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
888                 return -1;
889         }
890         memset(&state->mac_address, '\0', 8);
891         memcpy(&state->mac_address, &state->rxbuffer, 6);
892         dprintk(verbose, DST_ERROR, 1, "MAC Address=[%02x:%02x:%02x:%02x:%02x:%02x]",
893                 state->mac_address[0], state->mac_address[1], state->mac_address[2],
894                 state->mac_address[4], state->mac_address[5], state->mac_address[6]);
895
896         return 0;
897 }
898
899 static int dst_fw_ver(struct dst_state *state)
900 {
901         u8 get_ver[] = { 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
902         get_ver[7] = dst_check_sum(get_ver, 7);
903         if (dst_command(state, get_ver, 8) < 0) {
904                 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
905                 return -1;
906         }
907         memset(&state->fw_version, '\0', 8);
908         memcpy(&state->fw_version, &state->rxbuffer, 8);
909         dprintk(verbose, DST_ERROR, 1, "Firmware Ver = %x.%x Build = %02x, on %x:%x, %x-%x-20%02x",
910                 state->fw_version[0] >> 4, state->fw_version[0] & 0x0f,
911                 state->fw_version[1],
912                 state->fw_version[5], state->fw_version[6],
913                 state->fw_version[4], state->fw_version[3], state->fw_version[2]);
914
915         return 0;
916 }
917
918 static int dst_card_type(struct dst_state *state)
919 {
920         int j;
921         struct tuner_types *p_tuner_list = NULL;
922
923         u8 get_type[] = { 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
924         get_type[7] = dst_check_sum(get_type, 7);
925         if (dst_command(state, get_type, 8) < 0) {
926                 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
927                 return -1;
928         }
929         memset(&state->card_info, '\0', 8);
930         memcpy(&state->card_info, &state->rxbuffer, 7);
931         dprintk(verbose, DST_ERROR, 1, "Device Model=[%s]", &state->card_info[0]);
932
933         for (j = 0, p_tuner_list = tuner_list; j < ARRAY_SIZE(tuner_list); j++, p_tuner_list++) {
934                 if (!strcmp(&state->card_info[0], p_tuner_list->board_name)) {
935                         state->tuner_type = p_tuner_list->tuner_type;
936                         dprintk(verbose, DST_ERROR, 1, "DST has [%s] tuner, tuner type=[%d]\n",
937                                 p_tuner_list->tuner_name, p_tuner_list->tuner_type);
938                 }
939         }
940
941         return 0;
942 }
943
944 static int dst_get_vendor(struct dst_state *state)
945 {
946         u8 get_vendor[] = { 0x00, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
947         get_vendor[7] = dst_check_sum(get_vendor, 7);
948         if (dst_command(state, get_vendor, 8) < 0) {
949                 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
950                 return -1;
951         }
952         memset(&state->vendor, '\0', 8);
953         memcpy(&state->vendor, &state->rxbuffer, 7);
954         dprintk(verbose, DST_ERROR, 1, "Vendor=[%s]", &state->vendor[0]);
955
956         return 0;
957 }
958
959 static int dst_get_tuner_info(struct dst_state *state)
960 {
961         u8 get_tuner_1[] = { 0x00, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
962         u8 get_tuner_2[] = { 0x00, 0x0b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
963
964         get_tuner_1[7] = dst_check_sum(get_tuner_1, 7);
965         get_tuner_2[7] = dst_check_sum(get_tuner_2, 7);
966         dprintk(verbose, DST_ERROR, 1, "DST TYpe = MULTI FE");
967         if (state->type_flags & DST_TYPE_HAS_MULTI_FE) {
968                 if (dst_command(state, get_tuner_1, 8) < 0) {
969                         dprintk(verbose, DST_INFO, 1, "Cmd=[0x13], Unsupported");
970                         return -1;
971                 }
972         } else {
973                 if (dst_command(state, get_tuner_2, 8) < 0) {
974                         dprintk(verbose, DST_INFO, 1, "Cmd=[0xb], Unsupported");
975                         return -1;
976                 }
977         }
978         memset(&state->board_info, '\0', 8);
979         memcpy(&state->board_info, &state->rxbuffer, 8);
980         if (state->type_flags & DST_TYPE_HAS_MULTI_FE) {
981                 dprintk(verbose, DST_ERROR, 1, "DST type has TS=188");
982         }
983         if (state->board_info[0] == 0xbc) {
984                 if (state->type_flags != DST_TYPE_IS_ATSC)
985                         state->type_flags |= DST_TYPE_HAS_NEWTUNE;
986                 else
987                         state->type_flags |= DST_TYPE_HAS_NEWTUNE_2;
988
989                 if (state->board_info[1] == 0x01) {
990                         state->dst_hw_cap |= DST_TYPE_HAS_DBOARD;
991                         dprintk(verbose, DST_ERROR, 1, "DST has Daughterboard");
992                 }
993         }
994
995         return 0;
996 }
997
998 static int dst_get_device_id(struct dst_state *state)
999 {
1000         u8 reply;
1001
1002         int i, j;
1003         struct dst_types *p_dst_type;
1004         struct tuner_types *p_tuner_list;
1005
1006         u8 use_dst_type = 0;
1007         u32 use_type_flags = 0;
1008
1009         static u8 device_type[8] = {0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff};
1010
1011         device_type[7] = dst_check_sum(device_type, 7);
1012
1013         if (write_dst(state, device_type, FIXED_COMM))
1014                 return -1;              /*      Write failed            */
1015         if ((dst_pio_disable(state)) < 0)
1016                 return -1;
1017         if (read_dst(state, &reply, GET_ACK))
1018                 return -1;              /*      Read failure            */
1019         if (reply != ACK) {
1020                 dprintk(verbose, DST_INFO, 1, "Write not Acknowledged! [Reply=0x%02x]", reply);
1021                 return -1;              /*      Unack'd write           */
1022         }
1023         if (!dst_wait_dst_ready(state, DEVICE_INIT))
1024                 return -1;              /*      DST not ready yet       */
1025         if (read_dst(state, state->rxbuffer, FIXED_COMM))
1026                 return -1;
1027
1028         dst_pio_disable(state);
1029         if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
1030                 dprintk(verbose, DST_INFO, 1, "Checksum failure!");
1031                 return -1;              /*      Checksum failure        */
1032         }
1033         state->rxbuffer[7] = '\0';
1034
1035         for (i = 0, p_dst_type = dst_tlist; i < ARRAY_SIZE(dst_tlist); i++, p_dst_type++) {
1036                 if (!strncmp (&state->rxbuffer[p_dst_type->offset], p_dst_type->device_id, strlen (p_dst_type->device_id))) {
1037                         use_type_flags = p_dst_type->type_flags;
1038                         use_dst_type = p_dst_type->dst_type;
1039
1040                         /*      Card capabilities       */
1041                         state->dst_hw_cap = p_dst_type->dst_feature;
1042                         dprintk(verbose, DST_ERROR, 1, "Recognise [%s]\n", p_dst_type->device_id);
1043
1044                         if (p_dst_type->tuner_type != TUNER_TYPE_MULTI) {
1045                                 state->tuner_type = p_dst_type->tuner_type;
1046
1047                                 for (j = 0, p_tuner_list = tuner_list; j < ARRAY_SIZE(tuner_list); j++, p_tuner_list++) {
1048                                         if (p_dst_type->tuner_type == p_tuner_list->tuner_type) {
1049                                                 state->tuner_type = p_tuner_list->tuner_type;
1050                                                 dprintk(verbose, DST_ERROR, 1, "DST has a [%s] based tuner\n", p_tuner_list->tuner_name);
1051                                         }
1052                                 }
1053                         }
1054                         break;
1055                 }
1056         }
1057
1058         if (i >= sizeof (dst_tlist) / sizeof (dst_tlist [0])) {
1059                 dprintk(verbose, DST_ERROR, 1, "Unable to recognize %s or %s", &state->rxbuffer[0], &state->rxbuffer[1]);
1060                 dprintk(verbose, DST_ERROR, 1, "please email linux-dvb@linuxtv.org with this type in");
1061                 use_dst_type = DST_TYPE_IS_SAT;
1062                 use_type_flags = DST_TYPE_HAS_SYMDIV;
1063         }
1064         dst_type_print(use_dst_type);
1065         state->type_flags = use_type_flags;
1066         state->dst_type = use_dst_type;
1067         dst_type_flags_print(state->type_flags);
1068
1069         return 0;
1070 }
1071
1072 static int dst_probe(struct dst_state *state)
1073 {
1074         mutex_init(&state->dst_mutex);
1075         if (dst_addons & DST_TYPE_HAS_CA) {
1076                 if ((rdc_8820_reset(state)) < 0) {
1077                         dprintk(verbose, DST_ERROR, 1, "RDC 8820 RESET Failed.");
1078                         return -1;
1079                 }
1080                 msleep(4000);
1081         } else {
1082                 msleep(100);
1083         }
1084         if ((dst_comm_init(state)) < 0) {
1085                 dprintk(verbose, DST_ERROR, 1, "DST Initialization Failed.");
1086                 return -1;
1087         }
1088         msleep(100);
1089         if (dst_get_device_id(state) < 0) {
1090                 dprintk(verbose, DST_ERROR, 1, "unknown device.");
1091                 return -1;
1092         }
1093         if (dst_get_mac(state) < 0) {
1094                 dprintk(verbose, DST_INFO, 1, "MAC: Unsupported command");
1095                 return 0;
1096         }
1097         if ((state->type_flags & DST_TYPE_HAS_MULTI_FE) || (state->type_flags & DST_TYPE_HAS_FW_BUILD)) {
1098                 if (dst_get_tuner_info(state) < 0)
1099                         dprintk(verbose, DST_INFO, 1, "Tuner: Unsupported command");
1100         }
1101         if (state->type_flags & DST_TYPE_HAS_TS204) {
1102                 dst_packsize(state, 204);
1103         }
1104         if (state->type_flags & DST_TYPE_HAS_FW_BUILD) {
1105                 if (dst_fw_ver(state) < 0) {
1106                         dprintk(verbose, DST_INFO, 1, "FW: Unsupported command");
1107                         return 0;
1108                 }
1109                 if (dst_card_type(state) < 0) {
1110                         dprintk(verbose, DST_INFO, 1, "Card: Unsupported command");
1111                         return 0;
1112                 }
1113                 if (dst_get_vendor(state) < 0) {
1114                         dprintk(verbose, DST_INFO, 1, "Vendor: Unsupported command");
1115                         return 0;
1116                 }
1117         }
1118
1119         return 0;
1120 }
1121
1122 int dst_command(struct dst_state *state, u8 *data, u8 len)
1123 {
1124         u8 reply;
1125
1126         mutex_lock(&state->dst_mutex);
1127         if ((dst_comm_init(state)) < 0) {
1128                 dprintk(verbose, DST_NOTICE, 1, "DST Communication Initialization Failed.");
1129                 goto error;
1130         }
1131         if (write_dst(state, data, len)) {
1132                 dprintk(verbose, DST_INFO, 1, "Tring to recover.. ");
1133                 if ((dst_error_recovery(state)) < 0) {
1134                         dprintk(verbose, DST_ERROR, 1, "Recovery Failed.");
1135                         goto error;
1136                 }
1137                 goto error;
1138         }
1139         if ((dst_pio_disable(state)) < 0) {
1140                 dprintk(verbose, DST_ERROR, 1, "PIO Disable Failed.");
1141                 goto error;
1142         }
1143         if (state->type_flags & DST_TYPE_HAS_FW_1)
1144                 udelay(3000);
1145         if (read_dst(state, &reply, GET_ACK)) {
1146                 dprintk(verbose, DST_DEBUG, 1, "Trying to recover.. ");
1147                 if ((dst_error_recovery(state)) < 0) {
1148                         dprintk(verbose, DST_INFO, 1, "Recovery Failed.");
1149                         goto error;
1150                 }
1151                 goto error;
1152         }
1153         if (reply != ACK) {
1154                 dprintk(verbose, DST_INFO, 1, "write not acknowledged 0x%02x ", reply);
1155                 goto error;
1156         }
1157         if (len >= 2 && data[0] == 0 && (data[1] == 1 || data[1] == 3))
1158                 goto error;
1159         if (state->type_flags & DST_TYPE_HAS_FW_1)
1160                 udelay(3000);
1161         else
1162                 udelay(2000);
1163         if (!dst_wait_dst_ready(state, NO_DELAY))
1164                 goto error;
1165         if (read_dst(state, state->rxbuffer, FIXED_COMM)) {
1166                 dprintk(verbose, DST_DEBUG, 1, "Trying to recover.. ");
1167                 if ((dst_error_recovery(state)) < 0) {
1168                         dprintk(verbose, DST_INFO, 1, "Recovery failed.");
1169                         goto error;
1170                 }
1171                 goto error;
1172         }
1173         if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
1174                 dprintk(verbose, DST_INFO, 1, "checksum failure");
1175                 goto error;
1176         }
1177         mutex_unlock(&state->dst_mutex);
1178         return 0;
1179
1180 error:
1181         mutex_unlock(&state->dst_mutex);
1182         return -EIO;
1183
1184 }
1185 EXPORT_SYMBOL(dst_command);
1186
1187 static int dst_get_signal(struct dst_state *state)
1188 {
1189         int retval;
1190         u8 get_signal[] = { 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfb };
1191         //dprintk("%s: Getting Signal strength and other parameters\n", __FUNCTION__);
1192         if ((state->diseq_flags & ATTEMPT_TUNE) == 0) {
1193                 state->decode_lock = state->decode_strength = state->decode_snr = 0;
1194                 return 0;
1195         }
1196         if (0 == (state->diseq_flags & HAS_LOCK)) {
1197                 state->decode_lock = state->decode_strength = state->decode_snr = 0;
1198                 return 0;
1199         }
1200         if (time_after_eq(jiffies, state->cur_jiff + (HZ / 5))) {
1201                 retval = dst_command(state, get_signal, 8);
1202                 if (retval < 0)
1203                         return retval;
1204                 if (state->dst_type == DST_TYPE_IS_SAT) {
1205                         state->decode_lock = ((state->rxbuffer[6] & 0x10) == 0) ? 1 : 0;
1206                         state->decode_strength = state->rxbuffer[5] << 8;
1207                         state->decode_snr = state->rxbuffer[2] << 8 | state->rxbuffer[3];
1208                 } else if ((state->dst_type == DST_TYPE_IS_TERR) || (state->dst_type == DST_TYPE_IS_CABLE)) {
1209                         state->decode_lock = (state->rxbuffer[1]) ? 1 : 0;
1210                         state->decode_strength = state->rxbuffer[4] << 8;
1211                         state->decode_snr = state->rxbuffer[3] << 8;
1212                 } else if (state->dst_type == DST_TYPE_IS_ATSC) {
1213                         state->decode_lock = (state->rxbuffer[6] == 0x00) ? 1 : 0;
1214                         state->decode_strength = state->rxbuffer[4] << 8;
1215                         state->decode_snr = state->rxbuffer[2] << 8 | state->rxbuffer[3];
1216                 }
1217                 state->cur_jiff = jiffies;
1218         }
1219         return 0;
1220 }
1221
1222 static int dst_tone_power_cmd(struct dst_state *state)
1223 {
1224         u8 paket[8] = { 0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00 };
1225
1226         if (state->dst_type == DST_TYPE_IS_TERR)
1227                 return 0;
1228         paket[4] = state->tx_tuna[4];
1229         paket[2] = state->tx_tuna[2];
1230         paket[3] = state->tx_tuna[3];
1231         paket[7] = dst_check_sum (paket, 7);
1232         dst_command(state, paket, 8);
1233
1234         return 0;
1235 }
1236
1237 static int dst_get_tuna(struct dst_state *state)
1238 {
1239         int retval;
1240
1241         if ((state->diseq_flags & ATTEMPT_TUNE) == 0)
1242                 return 0;
1243         state->diseq_flags &= ~(HAS_LOCK);
1244         if (!dst_wait_dst_ready(state, NO_DELAY))
1245                 return -EIO;
1246         if (state->type_flags & DST_TYPE_HAS_NEWTUNE)
1247                 /* how to get variable length reply ???? */
1248                 retval = read_dst(state, state->rx_tuna, 10);
1249         else
1250                 retval = read_dst(state, &state->rx_tuna[2], FIXED_COMM);
1251         if (retval < 0) {
1252                 dprintk(verbose, DST_DEBUG, 1, "read not successful");
1253                 return retval;
1254         }
1255         if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
1256                 if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[0], 9)) {
1257                         dprintk(verbose, DST_INFO, 1, "checksum failure ? ");
1258                         return -EIO;
1259                 }
1260         } else {
1261                 if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[2], 7)) {
1262                         dprintk(verbose, DST_INFO, 1, "checksum failure? ");
1263                         return -EIO;
1264                 }
1265         }
1266         if (state->rx_tuna[2] == 0 && state->rx_tuna[3] == 0)
1267                 return 0;
1268         if (state->dst_type == DST_TYPE_IS_SAT) {
1269                 state->decode_freq = ((state->rx_tuna[2] & 0x7f) << 8) + state->rx_tuna[3];
1270         } else {
1271                 state->decode_freq = ((state->rx_tuna[2] & 0x7f) << 16) + (state->rx_tuna[3] << 8) + state->rx_tuna[4];
1272         }
1273         state->decode_freq = state->decode_freq * 1000;
1274         state->decode_lock = 1;
1275         state->diseq_flags |= HAS_LOCK;
1276
1277         return 1;
1278 }
1279
1280 static int dst_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage);
1281
1282 static int dst_write_tuna(struct dvb_frontend *fe)
1283 {
1284         struct dst_state *state = fe->demodulator_priv;
1285         int retval;
1286         u8 reply;
1287
1288         dprintk(verbose, DST_INFO, 1, "type_flags 0x%x ", state->type_flags);
1289         state->decode_freq = 0;
1290         state->decode_lock = state->decode_strength = state->decode_snr = 0;
1291         if (state->dst_type == DST_TYPE_IS_SAT) {
1292                 if (!(state->diseq_flags & HAS_POWER))
1293                         dst_set_voltage(fe, SEC_VOLTAGE_13);
1294         }
1295         state->diseq_flags &= ~(HAS_LOCK | ATTEMPT_TUNE);
1296         mutex_lock(&state->dst_mutex);
1297         if ((dst_comm_init(state)) < 0) {
1298                 dprintk(verbose, DST_DEBUG, 1, "DST Communication initialization failed.");
1299                 goto error;
1300         }
1301         if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
1302                 state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[0], 9);
1303                 retval = write_dst(state, &state->tx_tuna[0], 10);
1304         } else {
1305                 state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[2], 7);
1306                 retval = write_dst(state, &state->tx_tuna[2], FIXED_COMM);
1307         }
1308         if (retval < 0) {
1309                 dst_pio_disable(state);
1310                 dprintk(verbose, DST_DEBUG, 1, "write not successful");
1311                 goto werr;
1312         }
1313         if ((dst_pio_disable(state)) < 0) {
1314                 dprintk(verbose, DST_DEBUG, 1, "DST PIO disable failed !");
1315                 goto error;
1316         }
1317         if ((read_dst(state, &reply, GET_ACK) < 0)) {
1318                 dprintk(verbose, DST_DEBUG, 1, "read verify not successful.");
1319                 goto error;
1320         }
1321         if (reply != ACK) {
1322                 dprintk(verbose, DST_DEBUG, 1, "write not acknowledged 0x%02x ", reply);
1323                 goto error;
1324         }
1325         state->diseq_flags |= ATTEMPT_TUNE;
1326         retval = dst_get_tuna(state);
1327 werr:
1328         mutex_unlock(&state->dst_mutex);
1329         return retval;
1330
1331 error:
1332         mutex_unlock(&state->dst_mutex);
1333         return -EIO;
1334 }
1335
1336 /*
1337  * line22k0    0x00, 0x09, 0x00, 0xff, 0x01, 0x00, 0x00, 0x00
1338  * line22k1    0x00, 0x09, 0x01, 0xff, 0x01, 0x00, 0x00, 0x00
1339  * line22k2    0x00, 0x09, 0x02, 0xff, 0x01, 0x00, 0x00, 0x00
1340  * tone        0x00, 0x09, 0xff, 0x00, 0x01, 0x00, 0x00, 0x00
1341  * data        0x00, 0x09, 0xff, 0x01, 0x01, 0x00, 0x00, 0x00
1342  * power_off   0x00, 0x09, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00
1343  * power_on    0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00
1344  * Diseqc 1    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec
1345  * Diseqc 2    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf4, 0xe8
1346  * Diseqc 3    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf8, 0xe4
1347  * Diseqc 4    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xfc, 0xe0
1348  */
1349
1350 static int dst_set_diseqc(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd *cmd)
1351 {
1352         struct dst_state *state = fe->demodulator_priv;
1353         u8 paket[8] = { 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec };
1354
1355         if (state->dst_type != DST_TYPE_IS_SAT)
1356                 return 0;
1357         if (cmd->msg_len == 0 || cmd->msg_len > 4)
1358                 return -EINVAL;
1359         memcpy(&paket[3], cmd->msg, cmd->msg_len);
1360         paket[7] = dst_check_sum(&paket[0], 7);
1361         dst_command(state, paket, 8);
1362         return 0;
1363 }
1364
1365 static int dst_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
1366 {
1367         int need_cmd;
1368         struct dst_state *state = fe->demodulator_priv;
1369
1370         state->voltage = voltage;
1371         if (state->dst_type != DST_TYPE_IS_SAT)
1372                 return 0;
1373
1374         need_cmd = 0;
1375
1376         switch (voltage) {
1377         case SEC_VOLTAGE_13:
1378         case SEC_VOLTAGE_18:
1379                 if ((state->diseq_flags & HAS_POWER) == 0)
1380                         need_cmd = 1;
1381                 state->diseq_flags |= HAS_POWER;
1382                 state->tx_tuna[4] = 0x01;
1383                 break;
1384         case SEC_VOLTAGE_OFF:
1385                 need_cmd = 1;
1386                 state->diseq_flags &= ~(HAS_POWER | HAS_LOCK | ATTEMPT_TUNE);
1387                 state->tx_tuna[4] = 0x00;
1388                 break;
1389         default:
1390                 return -EINVAL;
1391         }
1392
1393         if (need_cmd)
1394                 dst_tone_power_cmd(state);
1395
1396         return 0;
1397 }
1398
1399 static int dst_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
1400 {
1401         struct dst_state *state = fe->demodulator_priv;
1402
1403         state->tone = tone;
1404         if (state->dst_type != DST_TYPE_IS_SAT)
1405                 return 0;
1406
1407         switch (tone) {
1408         case SEC_TONE_OFF:
1409                 if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1410                     state->tx_tuna[2] = 0x00;
1411                 else
1412                     state->tx_tuna[2] = 0xff;
1413                 break;
1414
1415         case SEC_TONE_ON:
1416                 state->tx_tuna[2] = 0x02;
1417                 break;
1418         default:
1419                 return -EINVAL;
1420         }
1421         dst_tone_power_cmd(state);
1422
1423         return 0;
1424 }
1425
1426 static int dst_send_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t minicmd)
1427 {
1428         struct dst_state *state = fe->demodulator_priv;
1429
1430         if (state->dst_type != DST_TYPE_IS_SAT)
1431                 return 0;
1432         state->minicmd = minicmd;
1433         switch (minicmd) {
1434         case SEC_MINI_A:
1435                 state->tx_tuna[3] = 0x02;
1436                 break;
1437         case SEC_MINI_B:
1438                 state->tx_tuna[3] = 0xff;
1439                 break;
1440         }
1441         dst_tone_power_cmd(state);
1442
1443         return 0;
1444 }
1445
1446
1447 static int dst_init(struct dvb_frontend *fe)
1448 {
1449         struct dst_state *state = fe->demodulator_priv;
1450
1451         static u8 sat_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x00, 0x73, 0x21, 0x00, 0x00 };
1452         static u8 sat_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x55, 0xbd, 0x50, 0x00, 0x00 };
1453         static u8 ter_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1454         static u8 ter_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1455         static u8 cab_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1456         static u8 cab_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1457         static u8 atsc_tuner[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1458
1459         state->inversion = INVERSION_OFF;
1460         state->voltage = SEC_VOLTAGE_13;
1461         state->tone = SEC_TONE_OFF;
1462         state->diseq_flags = 0;
1463         state->k22 = 0x02;
1464         state->bandwidth = BANDWIDTH_7_MHZ;
1465         state->cur_jiff = jiffies;
1466         if (state->dst_type == DST_TYPE_IS_SAT)
1467                 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? sat_tuna_188 : sat_tuna_204), sizeof (sat_tuna_204));
1468         else if (state->dst_type == DST_TYPE_IS_TERR)
1469                 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? ter_tuna_188 : ter_tuna_204), sizeof (ter_tuna_204));
1470         else if (state->dst_type == DST_TYPE_IS_CABLE)
1471                 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? cab_tuna_188 : cab_tuna_204), sizeof (cab_tuna_204));
1472         else if (state->dst_type == DST_TYPE_IS_ATSC)
1473                 memcpy(state->tx_tuna, atsc_tuner, sizeof (atsc_tuner));
1474
1475         return 0;
1476 }
1477
1478 static int dst_read_status(struct dvb_frontend *fe, fe_status_t *status)
1479 {
1480         struct dst_state *state = fe->demodulator_priv;
1481
1482         *status = 0;
1483         if (state->diseq_flags & HAS_LOCK) {
1484 //              dst_get_signal(state);  // don't require(?) to ask MCU
1485                 if (state->decode_lock)
1486                         *status |= FE_HAS_LOCK | FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_SYNC | FE_HAS_VITERBI;
1487         }
1488
1489         return 0;
1490 }
1491
1492 static int dst_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
1493 {
1494         struct dst_state *state = fe->demodulator_priv;
1495
1496         dst_get_signal(state);
1497         *strength = state->decode_strength;
1498
1499         return 0;
1500 }
1501
1502 static int dst_read_snr(struct dvb_frontend *fe, u16 *snr)
1503 {
1504         struct dst_state *state = fe->demodulator_priv;
1505
1506         dst_get_signal(state);
1507         *snr = state->decode_snr;
1508
1509         return 0;
1510 }
1511
1512 static int dst_set_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
1513 {
1514         struct dst_state *state = fe->demodulator_priv;
1515
1516         if (p != NULL) {
1517                 dst_set_freq(state, p->frequency);
1518                 dprintk(verbose, DST_DEBUG, 1, "Set Frequency=[%d]", p->frequency);
1519
1520                 if (state->dst_type == DST_TYPE_IS_SAT) {
1521                         if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1522                                 dst_set_inversion(state, p->inversion);
1523                         dst_set_fec(state, p->u.qpsk.fec_inner);
1524                         dst_set_symbolrate(state, p->u.qpsk.symbol_rate);
1525                         dst_set_polarization(state);
1526                         dprintk(verbose, DST_DEBUG, 1, "Set Symbolrate=[%d]", p->u.qpsk.symbol_rate);
1527
1528                 } else if (state->dst_type == DST_TYPE_IS_TERR)
1529                         dst_set_bandwidth(state, p->u.ofdm.bandwidth);
1530                 else if (state->dst_type == DST_TYPE_IS_CABLE) {
1531                         dst_set_fec(state, p->u.qam.fec_inner);
1532                         dst_set_symbolrate(state, p->u.qam.symbol_rate);
1533                         dst_set_modulation(state, p->u.qam.modulation);
1534                 }
1535                 dst_write_tuna(fe);
1536         }
1537
1538         return 0;
1539 }
1540
1541 static int dst_tune_frontend(struct dvb_frontend* fe,
1542                             struct dvb_frontend_parameters* p,
1543                             unsigned int mode_flags,
1544                             int *delay,
1545                             fe_status_t *status)
1546 {
1547         struct dst_state *state = fe->demodulator_priv;
1548
1549         if (p != NULL) {
1550                 dst_set_freq(state, p->frequency);
1551                 dprintk(verbose, DST_DEBUG, 1, "Set Frequency=[%d]", p->frequency);
1552
1553                 if (state->dst_type == DST_TYPE_IS_SAT) {
1554                         if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1555                                 dst_set_inversion(state, p->inversion);
1556                         dst_set_fec(state, p->u.qpsk.fec_inner);
1557                         dst_set_symbolrate(state, p->u.qpsk.symbol_rate);
1558                         dst_set_polarization(state);
1559                         dprintk(verbose, DST_DEBUG, 1, "Set Symbolrate=[%d]", p->u.qpsk.symbol_rate);
1560
1561                 } else if (state->dst_type == DST_TYPE_IS_TERR)
1562                         dst_set_bandwidth(state, p->u.ofdm.bandwidth);
1563                 else if (state->dst_type == DST_TYPE_IS_CABLE) {
1564                         dst_set_fec(state, p->u.qam.fec_inner);
1565                         dst_set_symbolrate(state, p->u.qam.symbol_rate);
1566                         dst_set_modulation(state, p->u.qam.modulation);
1567                 }
1568                 dst_write_tuna(fe);
1569         }
1570
1571         if (!(mode_flags & FE_TUNE_MODE_ONESHOT))
1572                 dst_read_status(fe, status);
1573
1574         *delay = HZ/10;
1575         return 0;
1576 }
1577
1578 static int dst_get_tuning_algo(struct dvb_frontend *fe)
1579 {
1580         return dst_algo;
1581 }
1582
1583 static int dst_get_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
1584 {
1585         struct dst_state *state = fe->demodulator_priv;
1586
1587         p->frequency = state->decode_freq;
1588         if (state->dst_type == DST_TYPE_IS_SAT) {
1589                 if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1590                         p->inversion = state->inversion;
1591                 p->u.qpsk.symbol_rate = state->symbol_rate;
1592                 p->u.qpsk.fec_inner = dst_get_fec(state);
1593         } else if (state->dst_type == DST_TYPE_IS_TERR) {
1594                 p->u.ofdm.bandwidth = state->bandwidth;
1595         } else if (state->dst_type == DST_TYPE_IS_CABLE) {
1596                 p->u.qam.symbol_rate = state->symbol_rate;
1597                 p->u.qam.fec_inner = dst_get_fec(state);
1598                 p->u.qam.modulation = dst_get_modulation(state);
1599         }
1600
1601         return 0;
1602 }
1603
1604 static void dst_release(struct dvb_frontend *fe)
1605 {
1606         struct dst_state *state = fe->demodulator_priv;
1607         kfree(state);
1608 }
1609
1610 static struct dvb_frontend_ops dst_dvbt_ops;
1611 static struct dvb_frontend_ops dst_dvbs_ops;
1612 static struct dvb_frontend_ops dst_dvbc_ops;
1613 static struct dvb_frontend_ops dst_atsc_ops;
1614
1615 struct dst_state *dst_attach(struct dst_state *state, struct dvb_adapter *dvb_adapter)
1616 {
1617         /* check if the ASIC is there */
1618         if (dst_probe(state) < 0) {
1619                 kfree(state);
1620                 return NULL;
1621         }
1622         /* determine settings based on type */
1623         /* create dvb_frontend */
1624         switch (state->dst_type) {
1625         case DST_TYPE_IS_TERR:
1626                 memcpy(&state->frontend.ops, &dst_dvbt_ops, sizeof(struct dvb_frontend_ops));
1627                 break;
1628         case DST_TYPE_IS_CABLE:
1629                 memcpy(&state->frontend.ops, &dst_dvbc_ops, sizeof(struct dvb_frontend_ops));
1630                 break;
1631         case DST_TYPE_IS_SAT:
1632                 memcpy(&state->frontend.ops, &dst_dvbs_ops, sizeof(struct dvb_frontend_ops));
1633                 break;
1634         case DST_TYPE_IS_ATSC:
1635                 memcpy(&state->frontend.ops, &dst_atsc_ops, sizeof(struct dvb_frontend_ops));
1636                 break;
1637         default:
1638                 dprintk(verbose, DST_ERROR, 1, "unknown DST type. please report to the LinuxTV.org DVB mailinglist.");
1639                 kfree(state);
1640                 return NULL;
1641         }
1642         state->frontend.demodulator_priv = state;
1643
1644         return state;                           /*      Manu (DST is a card not a frontend)     */
1645 }
1646
1647 EXPORT_SYMBOL(dst_attach);
1648
1649 static struct dvb_frontend_ops dst_dvbt_ops = {
1650
1651         .info = {
1652                 .name = "DST DVB-T",
1653                 .type = FE_OFDM,
1654                 .frequency_min = 137000000,
1655                 .frequency_max = 858000000,
1656                 .frequency_stepsize = 166667,
1657                 .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO
1658         },
1659
1660         .release = dst_release,
1661         .init = dst_init,
1662         .tune = dst_tune_frontend,
1663         .set_frontend = dst_set_frontend,
1664         .get_frontend = dst_get_frontend,
1665         .get_frontend_algo = dst_get_tuning_algo,
1666         .read_status = dst_read_status,
1667         .read_signal_strength = dst_read_signal_strength,
1668         .read_snr = dst_read_snr,
1669 };
1670
1671 static struct dvb_frontend_ops dst_dvbs_ops = {
1672
1673         .info = {
1674                 .name = "DST DVB-S",
1675                 .type = FE_QPSK,
1676                 .frequency_min = 950000,
1677                 .frequency_max = 2150000,
1678                 .frequency_stepsize = 1000,     /* kHz for QPSK frontends */
1679                 .frequency_tolerance = 29500,
1680                 .symbol_rate_min = 1000000,
1681                 .symbol_rate_max = 45000000,
1682         /*     . symbol_rate_tolerance  =       ???,*/
1683                 .caps = FE_CAN_FEC_AUTO | FE_CAN_QPSK
1684         },
1685
1686         .release = dst_release,
1687         .init = dst_init,
1688         .tune = dst_tune_frontend,
1689         .set_frontend = dst_set_frontend,
1690         .get_frontend = dst_get_frontend,
1691         .get_frontend_algo = dst_get_tuning_algo,
1692         .read_status = dst_read_status,
1693         .read_signal_strength = dst_read_signal_strength,
1694         .read_snr = dst_read_snr,
1695         .diseqc_send_burst = dst_send_burst,
1696         .diseqc_send_master_cmd = dst_set_diseqc,
1697         .set_voltage = dst_set_voltage,
1698         .set_tone = dst_set_tone,
1699 };
1700
1701 static struct dvb_frontend_ops dst_dvbc_ops = {
1702
1703         .info = {
1704                 .name = "DST DVB-C",
1705                 .type = FE_QAM,
1706                 .frequency_stepsize = 62500,
1707                 .frequency_min = 51000000,
1708                 .frequency_max = 858000000,
1709                 .symbol_rate_min = 1000000,
1710                 .symbol_rate_max = 45000000,
1711         /*     . symbol_rate_tolerance  =       ???,*/
1712                 .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO
1713         },
1714
1715         .release = dst_release,
1716         .init = dst_init,
1717         .tune = dst_tune_frontend,
1718         .set_frontend = dst_set_frontend,
1719         .get_frontend = dst_get_frontend,
1720         .get_frontend_algo = dst_get_tuning_algo,
1721         .read_status = dst_read_status,
1722         .read_signal_strength = dst_read_signal_strength,
1723         .read_snr = dst_read_snr,
1724 };
1725
1726 static struct dvb_frontend_ops dst_atsc_ops = {
1727         .info = {
1728                 .name = "DST ATSC",
1729                 .type = FE_ATSC,
1730                 .frequency_stepsize = 62500,
1731                 .frequency_min = 510000000,
1732                 .frequency_max = 858000000,
1733                 .symbol_rate_min = 1000000,
1734                 .symbol_rate_max = 45000000,
1735                 .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO | FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_8VSB
1736         },
1737
1738         .release = dst_release,
1739         .init = dst_init,
1740         .tune = dst_tune_frontend,
1741         .set_frontend = dst_set_frontend,
1742         .get_frontend = dst_get_frontend,
1743         .get_frontend_algo = dst_get_tuning_algo,
1744         .read_status = dst_read_status,
1745         .read_signal_strength = dst_read_signal_strength,
1746         .read_snr = dst_read_snr,
1747 };
1748
1749 MODULE_DESCRIPTION("DST DVB-S/T/C/ATSC Combo Frontend driver");
1750 MODULE_AUTHOR("Jamie Honan, Manu Abraham");
1751 MODULE_LICENSE("GPL");