]> err.no Git - linux-2.6/blob - drivers/media/dvb/bt8xx/dst.c
V4L/DVB (4168): ATSC tuner doesn't have variable length field
[linux-2.6] / 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 = 2,
594                 .tuner_name = "L 64724",
595                 .board_name = " "
596         },
597
598         {
599                 .tuner_type = 4,
600                 .tuner_name = "STV 0299",
601                 .board_name = "VP1030"
602         },
603
604         {
605                 .tuner_type = 8,
606                 .tuner_name = "MB 86A15",
607                 .board_name = "VP1025"
608         },
609
610         {
611                 .tuner_type = 16,
612                 .tuner_name = "NXT 200x",
613                 .board_name = "VP3250"
614         }
615 };
616
617 /*
618         Known cards list
619         Satellite
620         -------------------
621                   200103A
622         VP-1020   DST-MOT       LG(old), TS=188
623
624         VP-1020   DST-03T       LG(new), TS=204
625         VP-1022   DST-03T       LG(new), TS=204
626         VP-1025   DST-03T       LG(new), TS=204
627
628         VP-1030   DSTMCI,       LG(new), TS=188
629         VP-1032   DSTMCI,       LG(new), TS=188
630
631         Cable
632         -------------------
633         VP-2030   DCT-CI,       Samsung, TS=204
634         VP-2021   DCT-CI,       Unknown, TS=204
635         VP-2031   DCT-CI,       Philips, TS=188
636         VP-2040   DCT-CI,       Philips, TS=188, with CA daughter board
637         VP-2040   DCT-CI,       Philips, TS=204, without CA daughter board
638
639         Terrestrial
640         -------------------
641         VP-3050  DTTNXT                  TS=188
642         VP-3040  DTT-CI,        Philips, TS=188
643         VP-3040  DTT-CI,        Philips, TS=204
644
645         ATSC
646         -------------------
647         VP-3220  ATSCDI,                 TS=188
648         VP-3250  ATSCAD,                 TS=188
649
650 */
651
652 static struct dst_types dst_tlist[] = {
653         {
654                 .device_id = "200103A",
655                 .offset = 0,
656                 .dst_type =  DST_TYPE_IS_SAT,
657                 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1 | DST_TYPE_HAS_OBS_REGS,
658                 .dst_feature = 0,
659                 .tuner_type = 0
660         },      /*      obsolete        */
661
662         {
663                 .device_id = "DST-020",
664                 .offset = 0,
665                 .dst_type =  DST_TYPE_IS_SAT,
666                 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
667                 .dst_feature = 0,
668                 .tuner_type = 0
669         },      /*      obsolete        */
670
671         {
672                 .device_id = "DST-030",
673                 .offset =  0,
674                 .dst_type = DST_TYPE_IS_SAT,
675                 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1,
676                 .dst_feature = 0,
677                 .tuner_type = 0
678         },      /*      obsolete        */
679
680         {
681                 .device_id = "DST-03T",
682                 .offset = 0,
683                 .dst_type = DST_TYPE_IS_SAT,
684                 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_TS204 | DST_TYPE_HAS_FW_2,
685                 .dst_feature = DST_TYPE_HAS_DISEQC3 | DST_TYPE_HAS_DISEQC4 | DST_TYPE_HAS_DISEQC5
686                                                          | DST_TYPE_HAS_MAC | DST_TYPE_HAS_MOTO,
687                 .tuner_type = TUNER_TYPE_MULTI
688          },
689
690         {
691                 .device_id = "DST-MOT",
692                 .offset =  0,
693                 .dst_type = DST_TYPE_IS_SAT,
694                 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
695                 .dst_feature = 0,
696                 .tuner_type = 0
697         },      /*      obsolete        */
698
699         {
700                 .device_id = "DST-CI",
701                 .offset = 1,
702                 .dst_type = DST_TYPE_IS_SAT,
703                 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_FW_1,
704                 .dst_feature = DST_TYPE_HAS_CA,
705                 .tuner_type = 0
706         },      /*      An OEM board    */
707
708         {
709                 .device_id = "DSTMCI",
710                 .offset = 1,
711                 .dst_type = DST_TYPE_IS_SAT,
712                 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD | DST_TYPE_HAS_INC_COUNT,
713                 .dst_feature = DST_TYPE_HAS_CA | DST_TYPE_HAS_DISEQC3 | DST_TYPE_HAS_DISEQC4
714                                                         | DST_TYPE_HAS_MOTO | DST_TYPE_HAS_MAC,
715                 .tuner_type = TUNER_TYPE_MULTI
716         },
717
718         {
719                 .device_id = "DSTFCI",
720                 .offset = 1,
721                 .dst_type = DST_TYPE_IS_SAT,
722                 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1,
723                 .dst_feature = 0,
724                 .tuner_type = 0
725         },      /* unknown to vendor    */
726
727         {
728                 .device_id = "DCT-CI",
729                 .offset = 1,
730                 .dst_type = DST_TYPE_IS_CABLE,
731                 .type_flags = DST_TYPE_HAS_MULTI_FE | DST_TYPE_HAS_FW_1 | DST_TYPE_HAS_FW_2,
732                 .dst_feature = DST_TYPE_HAS_CA,
733                 .tuner_type = 0
734         },
735
736         {
737                 .device_id = "DCTNEW",
738                 .offset = 1,
739                 .dst_type = DST_TYPE_IS_CABLE,
740                 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_3 | DST_TYPE_HAS_FW_BUILD,
741                 .dst_feature = 0,
742                 .tuner_type = 0
743         },
744
745         {
746                 .device_id = "DTT-CI",
747                 .offset = 1,
748                 .dst_type = DST_TYPE_IS_TERR,
749                 .type_flags = DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_MULTI_FE,
750                 .dst_feature = DST_TYPE_HAS_CA,
751                 .tuner_type = 0
752         },
753
754         {
755                 .device_id = "DTTDIG",
756                 .offset = 1,
757                 .dst_type = DST_TYPE_IS_TERR,
758                 .type_flags = DST_TYPE_HAS_FW_2,
759                 .dst_feature = 0,
760                 .tuner_type = 0
761         },
762
763         {
764                 .device_id = "DTTNXT",
765                 .offset = 1,
766                 .dst_type = DST_TYPE_IS_TERR,
767                 .type_flags = DST_TYPE_HAS_FW_2,
768                 .dst_feature = DST_TYPE_HAS_ANALOG,
769                 .tuner_type = 0
770         },
771
772         {
773                 .device_id = "ATSCDI",
774                 .offset = 1,
775                 .dst_type = DST_TYPE_IS_ATSC,
776                 .type_flags = DST_TYPE_HAS_FW_2,
777                 .dst_feature = 0,
778                 .tuner_type = 0
779         },
780
781         {
782                 .device_id = "ATSCAD",
783                 .offset = 1,
784                 .dst_type = DST_TYPE_IS_ATSC,
785                 .type_flags = DST_TYPE_HAS_MULTI_FE | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD,
786                 .dst_feature = DST_TYPE_HAS_MAC | DST_TYPE_HAS_ANALOG,
787                 .tuner_type = 0
788         },
789
790         { }
791
792 };
793
794 static int dst_get_mac(struct dst_state *state)
795 {
796         u8 get_mac[] = { 0x00, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
797         get_mac[7] = dst_check_sum(get_mac, 7);
798         if (dst_command(state, get_mac, 8) < 0) {
799                 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
800                 return -1;
801         }
802         memset(&state->mac_address, '\0', 8);
803         memcpy(&state->mac_address, &state->rxbuffer, 6);
804         dprintk(verbose, DST_ERROR, 1, "MAC Address=[%02x:%02x:%02x:%02x:%02x:%02x]",
805                 state->mac_address[0], state->mac_address[1], state->mac_address[2],
806                 state->mac_address[4], state->mac_address[5], state->mac_address[6]);
807
808         return 0;
809 }
810
811 static int dst_fw_ver(struct dst_state *state)
812 {
813         u8 get_ver[] = { 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
814         get_ver[7] = dst_check_sum(get_ver, 7);
815         if (dst_command(state, get_ver, 8) < 0) {
816                 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
817                 return -1;
818         }
819         memset(&state->fw_version, '\0', 8);
820         memcpy(&state->fw_version, &state->rxbuffer, 8);
821         dprintk(verbose, DST_ERROR, 1, "Firmware Ver = %x.%x Build = %02x, on %x:%x, %x-%x-20%02x",
822                 state->fw_version[0] >> 4, state->fw_version[0] & 0x0f,
823                 state->fw_version[1],
824                 state->fw_version[5], state->fw_version[6],
825                 state->fw_version[4], state->fw_version[3], state->fw_version[2]);
826
827         return 0;
828 }
829
830 static int dst_card_type(struct dst_state *state)
831 {
832         int j;
833         struct tuner_types *p_tuner_list = NULL;
834
835         u8 get_type[] = { 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
836         get_type[7] = dst_check_sum(get_type, 7);
837         if (dst_command(state, get_type, 8) < 0) {
838                 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
839                 return -1;
840         }
841         memset(&state->card_info, '\0', 8);
842         memcpy(&state->card_info, &state->rxbuffer, 7);
843         dprintk(verbose, DST_ERROR, 1, "Device Model=[%s]", &state->card_info[0]);
844
845         for (j = 0, p_tuner_list = tuner_list; j < ARRAY_SIZE(tuner_list); j++, p_tuner_list++) {
846                 if (!strcmp(&state->card_info[0], p_tuner_list->board_name)) {
847                         state->tuner_type = p_tuner_list->tuner_type;
848                         dprintk(verbose, DST_ERROR, 1, "DST has [%s] tuner, tuner type=[%d]\n",
849                                 p_tuner_list->tuner_name, p_tuner_list->tuner_type);
850                 }
851         }
852
853         return 0;
854 }
855
856 static int dst_get_vendor(struct dst_state *state)
857 {
858         u8 get_vendor[] = { 0x00, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
859         get_vendor[7] = dst_check_sum(get_vendor, 7);
860         if (dst_command(state, get_vendor, 8) < 0) {
861                 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
862                 return -1;
863         }
864         memset(&state->vendor, '\0', 8);
865         memcpy(&state->vendor, &state->rxbuffer, 7);
866         dprintk(verbose, DST_ERROR, 1, "Vendor=[%s]", &state->vendor[0]);
867
868         return 0;
869 }
870
871 static int dst_get_tuner_info(struct dst_state *state)
872 {
873         u8 get_tuner_1[] = { 0x00, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
874         u8 get_tuner_2[] = { 0x00, 0x0b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
875
876         get_tuner_1[7] = dst_check_sum(get_tuner_1, 7);
877         get_tuner_2[7] = dst_check_sum(get_tuner_2, 7);
878         dprintk(verbose, DST_ERROR, 1, "DST TYpe = MULTI FE");
879         if (state->type_flags & DST_TYPE_HAS_MULTI_FE) {
880 //              if (dst_command(state, get_tuner_2, 8) < 0) {
881                 if (dst_command(state, get_tuner_1, 8) < 0) {
882                         dprintk(verbose, DST_INFO, 1, "Cmd=[0x13], Unsupported");
883                         return -1;
884                 }
885         } else {
886 //              if (dst_command(state, get_tuner_1, 8) < 0) {
887                 if (dst_command(state, get_tuner_2, 8) < 0) {
888                         dprintk(verbose, DST_INFO, 1, "Cmd=[0xb], Unsupported");
889                         return -1;
890                 }
891         }
892         memset(&state->board_info, '\0', 8);
893         memcpy(&state->board_info, &state->rxbuffer, 8);
894         if (state->type_flags & DST_TYPE_HAS_MULTI_FE) {
895                 dprintk(verbose, DST_ERROR, 1, "DST type has TS=188");
896 /*
897                 if (state->board_info[1] == 0x0b) {
898                         if (state->type_flags & DST_TYPE_HAS_TS204)
899                                 state->type_flags &= ~DST_TYPE_HAS_TS204;
900                         state->type_flags |= DST_TYPE_HAS_NEWTUNE;
901                         dprintk(verbose, DST_INFO, 1, "DST type has TS=188");
902                 } else {
903                         if (state->type_flags & DST_TYPE_HAS_NEWTUNE)
904                                 state->type_flags &= ~DST_TYPE_HAS_NEWTUNE;
905                         state->type_flags |= DST_TYPE_HAS_TS204;
906                         dprintk(verbose, DST_INFO, 1, "DST type has TS=204");
907                 }
908         } else {
909 */
910         }
911         if (state->board_info[0] == 0xbc) {
912 //              if (state->type_flags & DST_TYPE_HAS_TS204)
913 //                      state->type_flags &= ~DST_TYPE_HAS_TS204;
914 //              state->type_flags |= DST_TYPE_HAS_NEWTUNE;
915                 if (!(state->type_flags & DST_TYPE_IS_ATSC)) {
916                         state->type_flags |= DST_TYPE_HAS_NEWTUNE;
917                 } else {
918                         state->type_flags |= DST_TYPE_HAS_NEWTUNE_2;
919                 }
920                 dprintk(verbose, DST_INFO, 1, "DST type has TS=188, Daughterboard=[%d]", state->board_info[1]);
921
922         } else if (state->board_info[0] == 0xcc) {
923 //              if (state->type_flags & DST_TYPE_HAS_NEWTUNE)
924 //                      state->type_flags &= ~DST_TYPE_HAS_NEWTUNE;
925                 state->type_flags |= DST_TYPE_HAS_TS204;
926                 dprintk(verbose, DST_INFO, 1, "DST type has TS=204 Daughterboard=[%d]", state->board_info[1]);
927         }
928 //      }
929
930         return 0;
931 }
932
933 static int dst_get_device_id(struct dst_state *state)
934 {
935         u8 reply;
936
937         int i, j;
938         struct dst_types *p_dst_type;
939         struct tuner_types *p_tuner_list;
940
941         u8 use_dst_type = 0;
942         u32 use_type_flags = 0;
943
944         static u8 device_type[8] = {0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff};
945
946         device_type[7] = dst_check_sum(device_type, 7);
947
948         if (write_dst(state, device_type, FIXED_COMM))
949                 return -1;              /*      Write failed            */
950         if ((dst_pio_disable(state)) < 0)
951                 return -1;
952         if (read_dst(state, &reply, GET_ACK))
953                 return -1;              /*      Read failure            */
954         if (reply != ACK) {
955                 dprintk(verbose, DST_INFO, 1, "Write not Acknowledged! [Reply=0x%02x]", reply);
956                 return -1;              /*      Unack'd write           */
957         }
958         if (!dst_wait_dst_ready(state, DEVICE_INIT))
959                 return -1;              /*      DST not ready yet       */
960         if (read_dst(state, state->rxbuffer, FIXED_COMM))
961                 return -1;
962
963         dst_pio_disable(state);
964         if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
965                 dprintk(verbose, DST_INFO, 1, "Checksum failure!");
966                 return -1;              /*      Checksum failure        */
967         }
968         state->rxbuffer[7] = '\0';
969
970         for (i = 0, p_dst_type = dst_tlist; i < ARRAY_SIZE(dst_tlist); i++, p_dst_type++) {
971                 if (!strncmp (&state->rxbuffer[p_dst_type->offset], p_dst_type->device_id, strlen (p_dst_type->device_id))) {
972                         use_type_flags = p_dst_type->type_flags;
973                         use_dst_type = p_dst_type->dst_type;
974
975                         /*      Card capabilities       */
976                         state->dst_hw_cap = p_dst_type->dst_feature;
977                         dprintk(verbose, DST_ERROR, 1, "Recognise [%s]\n", p_dst_type->device_id);
978
979                         if (p_dst_type->tuner_type != TUNER_TYPE_MULTI) {
980                                 state->tuner_type = p_dst_type->tuner_type;
981
982                                 for (j = 0, p_tuner_list = tuner_list; j < ARRAY_SIZE(tuner_list); j++, p_tuner_list++) {
983                                         if (p_dst_type->tuner_type == p_tuner_list->tuner_type) {
984                                                 state->tuner_type = p_tuner_list->tuner_type;
985                                                 dprintk(verbose, DST_ERROR, 1, "DST has a [%s] based tuner\n", p_tuner_list->tuner_name);
986                                         }
987                                 }
988                         }
989                         break;
990                 }
991         }
992
993         if (i >= sizeof (dst_tlist) / sizeof (dst_tlist [0])) {
994                 dprintk(verbose, DST_ERROR, 1, "Unable to recognize %s or %s", &state->rxbuffer[0], &state->rxbuffer[1]);
995                 dprintk(verbose, DST_ERROR, 1, "please email linux-dvb@linuxtv.org with this type in");
996                 use_dst_type = DST_TYPE_IS_SAT;
997                 use_type_flags = DST_TYPE_HAS_SYMDIV;
998         }
999         dst_type_print(use_dst_type);
1000         state->type_flags = use_type_flags;
1001         state->dst_type = use_dst_type;
1002         dst_type_flags_print(state->type_flags);
1003
1004         return 0;
1005 }
1006
1007 static int dst_probe(struct dst_state *state)
1008 {
1009         mutex_init(&state->dst_mutex);
1010         if (dst_addons & DST_TYPE_HAS_CA) {
1011                 if ((rdc_8820_reset(state)) < 0) {
1012                         dprintk(verbose, DST_ERROR, 1, "RDC 8820 RESET Failed.");
1013                         return -1;
1014                 }
1015                 msleep(4000);
1016         } else {
1017                 msleep(100);
1018         }
1019         if ((dst_comm_init(state)) < 0) {
1020                 dprintk(verbose, DST_ERROR, 1, "DST Initialization Failed.");
1021                 return -1;
1022         }
1023         msleep(100);
1024         if (dst_get_device_id(state) < 0) {
1025                 dprintk(verbose, DST_ERROR, 1, "unknown device.");
1026                 return -1;
1027         }
1028         if (dst_get_mac(state) < 0) {
1029                 dprintk(verbose, DST_INFO, 1, "MAC: Unsupported command");
1030                 return 0;
1031         }
1032         if ((state->type_flags & DST_TYPE_HAS_MULTI_FE) || (state->type_flags & DST_TYPE_HAS_FW_BUILD)) {
1033                 if (dst_get_tuner_info(state) < 0)
1034                         dprintk(verbose, DST_INFO, 1, "Tuner: Unsupported command");
1035         }
1036         if (state->type_flags & DST_TYPE_HAS_TS204) {
1037                 dst_packsize(state, 204);
1038         }
1039         if (state->type_flags & DST_TYPE_HAS_FW_BUILD) {
1040                 if (dst_fw_ver(state) < 0) {
1041                         dprintk(verbose, DST_INFO, 1, "FW: Unsupported command");
1042                         return 0;
1043                 }
1044                 if (dst_card_type(state) < 0) {
1045                         dprintk(verbose, DST_INFO, 1, "Card: Unsupported command");
1046                         return 0;
1047                 }
1048                 if (dst_get_vendor(state) < 0) {
1049                         dprintk(verbose, DST_INFO, 1, "Vendor: Unsupported command");
1050                         return 0;
1051                 }
1052         }
1053
1054         return 0;
1055 }
1056
1057 int dst_command(struct dst_state *state, u8 *data, u8 len)
1058 {
1059         u8 reply;
1060
1061         mutex_lock(&state->dst_mutex);
1062         if ((dst_comm_init(state)) < 0) {
1063                 dprintk(verbose, DST_NOTICE, 1, "DST Communication Initialization Failed.");
1064                 goto error;
1065         }
1066         if (write_dst(state, data, len)) {
1067                 dprintk(verbose, DST_INFO, 1, "Tring to recover.. ");
1068                 if ((dst_error_recovery(state)) < 0) {
1069                         dprintk(verbose, DST_ERROR, 1, "Recovery Failed.");
1070                         goto error;
1071                 }
1072                 goto error;
1073         }
1074         if ((dst_pio_disable(state)) < 0) {
1075                 dprintk(verbose, DST_ERROR, 1, "PIO Disable Failed.");
1076                 goto error;
1077         }
1078         if (state->type_flags & DST_TYPE_HAS_FW_1)
1079                 udelay(3000);
1080         if (read_dst(state, &reply, GET_ACK)) {
1081                 dprintk(verbose, DST_DEBUG, 1, "Trying to recover.. ");
1082                 if ((dst_error_recovery(state)) < 0) {
1083                         dprintk(verbose, DST_INFO, 1, "Recovery Failed.");
1084                         goto error;
1085                 }
1086                 goto error;
1087         }
1088         if (reply != ACK) {
1089                 dprintk(verbose, DST_INFO, 1, "write not acknowledged 0x%02x ", reply);
1090                 goto error;
1091         }
1092         if (len >= 2 && data[0] == 0 && (data[1] == 1 || data[1] == 3))
1093                 goto error;
1094         if (state->type_flags & DST_TYPE_HAS_FW_1)
1095                 udelay(3000);
1096         else
1097                 udelay(2000);
1098         if (!dst_wait_dst_ready(state, NO_DELAY))
1099                 goto error;
1100         if (read_dst(state, state->rxbuffer, FIXED_COMM)) {
1101                 dprintk(verbose, DST_DEBUG, 1, "Trying to recover.. ");
1102                 if ((dst_error_recovery(state)) < 0) {
1103                         dprintk(verbose, DST_INFO, 1, "Recovery failed.");
1104                         goto error;
1105                 }
1106                 goto error;
1107         }
1108         if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
1109                 dprintk(verbose, DST_INFO, 1, "checksum failure");
1110                 goto error;
1111         }
1112         mutex_unlock(&state->dst_mutex);
1113         return 0;
1114
1115 error:
1116         mutex_unlock(&state->dst_mutex);
1117         return -EIO;
1118
1119 }
1120 EXPORT_SYMBOL(dst_command);
1121
1122 static int dst_get_signal(struct dst_state *state)
1123 {
1124         int retval;
1125         u8 get_signal[] = { 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfb };
1126         //dprintk("%s: Getting Signal strength and other parameters\n", __FUNCTION__);
1127         if ((state->diseq_flags & ATTEMPT_TUNE) == 0) {
1128                 state->decode_lock = state->decode_strength = state->decode_snr = 0;
1129                 return 0;
1130         }
1131         if (0 == (state->diseq_flags & HAS_LOCK)) {
1132                 state->decode_lock = state->decode_strength = state->decode_snr = 0;
1133                 return 0;
1134         }
1135         if (time_after_eq(jiffies, state->cur_jiff + (HZ / 5))) {
1136                 retval = dst_command(state, get_signal, 8);
1137                 if (retval < 0)
1138                         return retval;
1139                 if (state->dst_type == DST_TYPE_IS_SAT) {
1140                         state->decode_lock = ((state->rxbuffer[6] & 0x10) == 0) ? 1 : 0;
1141                         state->decode_strength = state->rxbuffer[5] << 8;
1142                         state->decode_snr = state->rxbuffer[2] << 8 | state->rxbuffer[3];
1143                 } else if ((state->dst_type == DST_TYPE_IS_TERR) || (state->dst_type == DST_TYPE_IS_CABLE)) {
1144                         state->decode_lock = (state->rxbuffer[1]) ? 1 : 0;
1145                         state->decode_strength = state->rxbuffer[4] << 8;
1146                         state->decode_snr = state->rxbuffer[3] << 8;
1147                 } else if (state->dst_type == DST_TYPE_IS_ATSC) {
1148                         state->decode_lock = (state->rxbuffer[6] == 0x00) ? 1 : 0;
1149                         state->decode_strength = state->rxbuffer[4] << 8;
1150                         state->decode_snr = state->rxbuffer[2] << 8 | state->rxbuffer[3];
1151                 }
1152                 state->cur_jiff = jiffies;
1153         }
1154         return 0;
1155 }
1156
1157 static int dst_tone_power_cmd(struct dst_state *state)
1158 {
1159         u8 paket[8] = { 0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00 };
1160
1161         if (state->dst_type == DST_TYPE_IS_TERR)
1162                 return 0;
1163         paket[4] = state->tx_tuna[4];
1164         paket[2] = state->tx_tuna[2];
1165         paket[3] = state->tx_tuna[3];
1166         paket[7] = dst_check_sum (paket, 7);
1167         dst_command(state, paket, 8);
1168
1169         return 0;
1170 }
1171
1172 static int dst_get_tuna(struct dst_state *state)
1173 {
1174         int retval;
1175
1176         if ((state->diseq_flags & ATTEMPT_TUNE) == 0)
1177                 return 0;
1178         state->diseq_flags &= ~(HAS_LOCK);
1179         if (!dst_wait_dst_ready(state, NO_DELAY))
1180                 return -EIO;
1181         if (state->type_flags & DST_TYPE_HAS_NEWTUNE)
1182                 /* how to get variable length reply ???? */
1183                 retval = read_dst(state, state->rx_tuna, 10);
1184         else
1185                 retval = read_dst(state, &state->rx_tuna[2], FIXED_COMM);
1186         if (retval < 0) {
1187                 dprintk(verbose, DST_DEBUG, 1, "read not successful");
1188                 return retval;
1189         }
1190         if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
1191                 if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[0], 9)) {
1192                         dprintk(verbose, DST_INFO, 1, "checksum failure ? ");
1193                         return -EIO;
1194                 }
1195         } else {
1196                 if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[2], 7)) {
1197                         dprintk(verbose, DST_INFO, 1, "checksum failure? ");
1198                         return -EIO;
1199                 }
1200         }
1201         if (state->rx_tuna[2] == 0 && state->rx_tuna[3] == 0)
1202                 return 0;
1203         if (state->dst_type == DST_TYPE_IS_SAT) {
1204                 state->decode_freq = ((state->rx_tuna[2] & 0x7f) << 8) + state->rx_tuna[3];
1205         } else {
1206                 state->decode_freq = ((state->rx_tuna[2] & 0x7f) << 16) + (state->rx_tuna[3] << 8) + state->rx_tuna[4];
1207         }
1208         state->decode_freq = state->decode_freq * 1000;
1209         state->decode_lock = 1;
1210         state->diseq_flags |= HAS_LOCK;
1211
1212         return 1;
1213 }
1214
1215 static int dst_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage);
1216
1217 static int dst_write_tuna(struct dvb_frontend *fe)
1218 {
1219         struct dst_state *state = fe->demodulator_priv;
1220         int retval;
1221         u8 reply;
1222
1223         dprintk(verbose, DST_INFO, 1, "type_flags 0x%x ", state->type_flags);
1224         state->decode_freq = 0;
1225         state->decode_lock = state->decode_strength = state->decode_snr = 0;
1226         if (state->dst_type == DST_TYPE_IS_SAT) {
1227                 if (!(state->diseq_flags & HAS_POWER))
1228                         dst_set_voltage(fe, SEC_VOLTAGE_13);
1229         }
1230         state->diseq_flags &= ~(HAS_LOCK | ATTEMPT_TUNE);
1231         mutex_lock(&state->dst_mutex);
1232         if ((dst_comm_init(state)) < 0) {
1233                 dprintk(verbose, DST_DEBUG, 1, "DST Communication initialization failed.");
1234                 goto error;
1235         }
1236         if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
1237                 state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[0], 9);
1238                 retval = write_dst(state, &state->tx_tuna[0], 10);
1239         } else {
1240                 state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[2], 7);
1241                 retval = write_dst(state, &state->tx_tuna[2], FIXED_COMM);
1242         }
1243         if (retval < 0) {
1244                 dst_pio_disable(state);
1245                 dprintk(verbose, DST_DEBUG, 1, "write not successful");
1246                 goto werr;
1247         }
1248         if ((dst_pio_disable(state)) < 0) {
1249                 dprintk(verbose, DST_DEBUG, 1, "DST PIO disable failed !");
1250                 goto error;
1251         }
1252         if ((read_dst(state, &reply, GET_ACK) < 0)) {
1253                 dprintk(verbose, DST_DEBUG, 1, "read verify not successful.");
1254                 goto error;
1255         }
1256         if (reply != ACK) {
1257                 dprintk(verbose, DST_DEBUG, 1, "write not acknowledged 0x%02x ", reply);
1258                 goto error;
1259         }
1260         state->diseq_flags |= ATTEMPT_TUNE;
1261         retval = dst_get_tuna(state);
1262 werr:
1263         mutex_unlock(&state->dst_mutex);
1264         return retval;
1265
1266 error:
1267         mutex_unlock(&state->dst_mutex);
1268         return -EIO;
1269 }
1270
1271 /*
1272  * line22k0    0x00, 0x09, 0x00, 0xff, 0x01, 0x00, 0x00, 0x00
1273  * line22k1    0x00, 0x09, 0x01, 0xff, 0x01, 0x00, 0x00, 0x00
1274  * line22k2    0x00, 0x09, 0x02, 0xff, 0x01, 0x00, 0x00, 0x00
1275  * tone        0x00, 0x09, 0xff, 0x00, 0x01, 0x00, 0x00, 0x00
1276  * data        0x00, 0x09, 0xff, 0x01, 0x01, 0x00, 0x00, 0x00
1277  * power_off   0x00, 0x09, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00
1278  * power_on    0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00
1279  * Diseqc 1    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec
1280  * Diseqc 2    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf4, 0xe8
1281  * Diseqc 3    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf8, 0xe4
1282  * Diseqc 4    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xfc, 0xe0
1283  */
1284
1285 static int dst_set_diseqc(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd *cmd)
1286 {
1287         struct dst_state *state = fe->demodulator_priv;
1288         u8 paket[8] = { 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec };
1289
1290         if (state->dst_type != DST_TYPE_IS_SAT)
1291                 return 0;
1292         if (cmd->msg_len == 0 || cmd->msg_len > 4)
1293                 return -EINVAL;
1294         memcpy(&paket[3], cmd->msg, cmd->msg_len);
1295         paket[7] = dst_check_sum(&paket[0], 7);
1296         dst_command(state, paket, 8);
1297         return 0;
1298 }
1299
1300 static int dst_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
1301 {
1302         int need_cmd;
1303         struct dst_state *state = fe->demodulator_priv;
1304
1305         state->voltage = voltage;
1306         if (state->dst_type != DST_TYPE_IS_SAT)
1307                 return 0;
1308
1309         need_cmd = 0;
1310
1311         switch (voltage) {
1312         case SEC_VOLTAGE_13:
1313         case SEC_VOLTAGE_18:
1314                 if ((state->diseq_flags & HAS_POWER) == 0)
1315                         need_cmd = 1;
1316                 state->diseq_flags |= HAS_POWER;
1317                 state->tx_tuna[4] = 0x01;
1318                 break;
1319         case SEC_VOLTAGE_OFF:
1320                 need_cmd = 1;
1321                 state->diseq_flags &= ~(HAS_POWER | HAS_LOCK | ATTEMPT_TUNE);
1322                 state->tx_tuna[4] = 0x00;
1323                 break;
1324         default:
1325                 return -EINVAL;
1326         }
1327
1328         if (need_cmd)
1329                 dst_tone_power_cmd(state);
1330
1331         return 0;
1332 }
1333
1334 static int dst_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
1335 {
1336         struct dst_state *state = fe->demodulator_priv;
1337
1338         state->tone = tone;
1339         if (state->dst_type != DST_TYPE_IS_SAT)
1340                 return 0;
1341
1342         switch (tone) {
1343         case SEC_TONE_OFF:
1344                 if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1345                     state->tx_tuna[2] = 0x00;
1346                 else
1347                     state->tx_tuna[2] = 0xff;
1348                 break;
1349
1350         case SEC_TONE_ON:
1351                 state->tx_tuna[2] = 0x02;
1352                 break;
1353         default:
1354                 return -EINVAL;
1355         }
1356         dst_tone_power_cmd(state);
1357
1358         return 0;
1359 }
1360
1361 static int dst_send_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t minicmd)
1362 {
1363         struct dst_state *state = fe->demodulator_priv;
1364
1365         if (state->dst_type != DST_TYPE_IS_SAT)
1366                 return 0;
1367         state->minicmd = minicmd;
1368         switch (minicmd) {
1369         case SEC_MINI_A:
1370                 state->tx_tuna[3] = 0x02;
1371                 break;
1372         case SEC_MINI_B:
1373                 state->tx_tuna[3] = 0xff;
1374                 break;
1375         }
1376         dst_tone_power_cmd(state);
1377
1378         return 0;
1379 }
1380
1381
1382 static int dst_init(struct dvb_frontend *fe)
1383 {
1384         struct dst_state *state = fe->demodulator_priv;
1385
1386         static u8 sat_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x00, 0x73, 0x21, 0x00, 0x00 };
1387         static u8 sat_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x55, 0xbd, 0x50, 0x00, 0x00 };
1388         static u8 ter_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1389         static u8 ter_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1390         static u8 cab_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1391         static u8 cab_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1392         static u8 atsc_tuner[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1393
1394         state->inversion = INVERSION_OFF;
1395         state->voltage = SEC_VOLTAGE_13;
1396         state->tone = SEC_TONE_OFF;
1397         state->diseq_flags = 0;
1398         state->k22 = 0x02;
1399         state->bandwidth = BANDWIDTH_7_MHZ;
1400         state->cur_jiff = jiffies;
1401         if (state->dst_type == DST_TYPE_IS_SAT)
1402                 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? sat_tuna_188 : sat_tuna_204), sizeof (sat_tuna_204));
1403         else if (state->dst_type == DST_TYPE_IS_TERR)
1404                 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? ter_tuna_188 : ter_tuna_204), sizeof (ter_tuna_204));
1405         else if (state->dst_type == DST_TYPE_IS_CABLE)
1406                 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? cab_tuna_188 : cab_tuna_204), sizeof (cab_tuna_204));
1407         else if (state->dst_type == DST_TYPE_IS_ATSC)
1408                 memcpy(state->tx_tuna, atsc_tuner, sizeof (atsc_tuner));
1409
1410         return 0;
1411 }
1412
1413 static int dst_read_status(struct dvb_frontend *fe, fe_status_t *status)
1414 {
1415         struct dst_state *state = fe->demodulator_priv;
1416
1417         *status = 0;
1418         if (state->diseq_flags & HAS_LOCK) {
1419 //              dst_get_signal(state);  // don't require(?) to ask MCU
1420                 if (state->decode_lock)
1421                         *status |= FE_HAS_LOCK | FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_SYNC | FE_HAS_VITERBI;
1422         }
1423
1424         return 0;
1425 }
1426
1427 static int dst_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
1428 {
1429         struct dst_state *state = fe->demodulator_priv;
1430
1431         dst_get_signal(state);
1432         *strength = state->decode_strength;
1433
1434         return 0;
1435 }
1436
1437 static int dst_read_snr(struct dvb_frontend *fe, u16 *snr)
1438 {
1439         struct dst_state *state = fe->demodulator_priv;
1440
1441         dst_get_signal(state);
1442         *snr = state->decode_snr;
1443
1444         return 0;
1445 }
1446
1447 static int dst_set_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
1448 {
1449         struct dst_state *state = fe->demodulator_priv;
1450
1451         if (p != NULL) {
1452                 dst_set_freq(state, p->frequency);
1453                 dprintk(verbose, DST_DEBUG, 1, "Set Frequency=[%d]", p->frequency);
1454
1455                 if (state->dst_type == DST_TYPE_IS_SAT) {
1456                         if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1457                                 dst_set_inversion(state, p->inversion);
1458                         dst_set_fec(state, p->u.qpsk.fec_inner);
1459                         dst_set_symbolrate(state, p->u.qpsk.symbol_rate);
1460                         dst_set_polarization(state);
1461                         dprintk(verbose, DST_DEBUG, 1, "Set Symbolrate=[%d]", p->u.qpsk.symbol_rate);
1462
1463                 } else if (state->dst_type == DST_TYPE_IS_TERR)
1464                         dst_set_bandwidth(state, p->u.ofdm.bandwidth);
1465                 else if (state->dst_type == DST_TYPE_IS_CABLE) {
1466                         dst_set_fec(state, p->u.qam.fec_inner);
1467                         dst_set_symbolrate(state, p->u.qam.symbol_rate);
1468                         dst_set_modulation(state, p->u.qam.modulation);
1469                 }
1470                 dst_write_tuna(fe);
1471         }
1472
1473         return 0;
1474 }
1475
1476 static int dst_tune_frontend(struct dvb_frontend* fe,
1477                             struct dvb_frontend_parameters* p,
1478                             unsigned int mode_flags,
1479                             int *delay,
1480                             fe_status_t *status)
1481 {
1482         struct dst_state *state = fe->demodulator_priv;
1483
1484         if (p != NULL) {
1485                 dst_set_freq(state, p->frequency);
1486                 dprintk(verbose, DST_DEBUG, 1, "Set Frequency=[%d]", p->frequency);
1487
1488                 if (state->dst_type == DST_TYPE_IS_SAT) {
1489                         if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1490                                 dst_set_inversion(state, p->inversion);
1491                         dst_set_fec(state, p->u.qpsk.fec_inner);
1492                         dst_set_symbolrate(state, p->u.qpsk.symbol_rate);
1493                         dst_set_polarization(state);
1494                         dprintk(verbose, DST_DEBUG, 1, "Set Symbolrate=[%d]", p->u.qpsk.symbol_rate);
1495
1496                 } else if (state->dst_type == DST_TYPE_IS_TERR)
1497                         dst_set_bandwidth(state, p->u.ofdm.bandwidth);
1498                 else if (state->dst_type == DST_TYPE_IS_CABLE) {
1499                         dst_set_fec(state, p->u.qam.fec_inner);
1500                         dst_set_symbolrate(state, p->u.qam.symbol_rate);
1501                         dst_set_modulation(state, p->u.qam.modulation);
1502                 }
1503                 dst_write_tuna(fe);
1504         }
1505
1506         if (!(mode_flags & FE_TUNE_MODE_ONESHOT))
1507                 dst_read_status(fe, status);
1508
1509         *delay = HZ/10;
1510         return 0;
1511 }
1512
1513 static int dst_get_tuning_algo(struct dvb_frontend *fe)
1514 {
1515         return dst_algo;
1516 }
1517
1518 static int dst_get_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
1519 {
1520         struct dst_state *state = fe->demodulator_priv;
1521
1522         p->frequency = state->decode_freq;
1523         if (state->dst_type == DST_TYPE_IS_SAT) {
1524                 if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1525                         p->inversion = state->inversion;
1526                 p->u.qpsk.symbol_rate = state->symbol_rate;
1527                 p->u.qpsk.fec_inner = dst_get_fec(state);
1528         } else if (state->dst_type == DST_TYPE_IS_TERR) {
1529                 p->u.ofdm.bandwidth = state->bandwidth;
1530         } else if (state->dst_type == DST_TYPE_IS_CABLE) {
1531                 p->u.qam.symbol_rate = state->symbol_rate;
1532                 p->u.qam.fec_inner = dst_get_fec(state);
1533                 p->u.qam.modulation = dst_get_modulation(state);
1534         }
1535
1536         return 0;
1537 }
1538
1539 static void dst_release(struct dvb_frontend *fe)
1540 {
1541         struct dst_state *state = fe->demodulator_priv;
1542         kfree(state);
1543 }
1544
1545 static struct dvb_frontend_ops dst_dvbt_ops;
1546 static struct dvb_frontend_ops dst_dvbs_ops;
1547 static struct dvb_frontend_ops dst_dvbc_ops;
1548 static struct dvb_frontend_ops dst_atsc_ops;
1549
1550 struct dst_state *dst_attach(struct dst_state *state, struct dvb_adapter *dvb_adapter)
1551 {
1552         /* check if the ASIC is there */
1553         if (dst_probe(state) < 0) {
1554                 kfree(state);
1555                 return NULL;
1556         }
1557         /* determine settings based on type */
1558         /* create dvb_frontend */
1559         switch (state->dst_type) {
1560         case DST_TYPE_IS_TERR:
1561                 memcpy(&state->frontend.ops, &dst_dvbt_ops, sizeof(struct dvb_frontend_ops));
1562                 break;
1563         case DST_TYPE_IS_CABLE:
1564                 memcpy(&state->frontend.ops, &dst_dvbc_ops, sizeof(struct dvb_frontend_ops));
1565                 break;
1566         case DST_TYPE_IS_SAT:
1567                 memcpy(&state->frontend.ops, &dst_dvbs_ops, sizeof(struct dvb_frontend_ops));
1568                 break;
1569         case DST_TYPE_IS_ATSC:
1570                 memcpy(&state->frontend.ops, &dst_atsc_ops, sizeof(struct dvb_frontend_ops));
1571                 break;
1572         default:
1573                 dprintk(verbose, DST_ERROR, 1, "unknown DST type. please report to the LinuxTV.org DVB mailinglist.");
1574                 kfree(state);
1575                 return NULL;
1576         }
1577         state->frontend.demodulator_priv = state;
1578
1579         return state;                           /*      Manu (DST is a card not a frontend)     */
1580 }
1581
1582 EXPORT_SYMBOL(dst_attach);
1583
1584 static struct dvb_frontend_ops dst_dvbt_ops = {
1585
1586         .info = {
1587                 .name = "DST DVB-T",
1588                 .type = FE_OFDM,
1589                 .frequency_min = 137000000,
1590                 .frequency_max = 858000000,
1591                 .frequency_stepsize = 166667,
1592                 .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO
1593         },
1594
1595         .release = dst_release,
1596         .init = dst_init,
1597         .tune = dst_tune_frontend,
1598         .set_frontend = dst_set_frontend,
1599         .get_frontend = dst_get_frontend,
1600         .get_frontend_algo = dst_get_tuning_algo,
1601         .read_status = dst_read_status,
1602         .read_signal_strength = dst_read_signal_strength,
1603         .read_snr = dst_read_snr,
1604 };
1605
1606 static struct dvb_frontend_ops dst_dvbs_ops = {
1607
1608         .info = {
1609                 .name = "DST DVB-S",
1610                 .type = FE_QPSK,
1611                 .frequency_min = 950000,
1612                 .frequency_max = 2150000,
1613                 .frequency_stepsize = 1000,     /* kHz for QPSK frontends */
1614                 .frequency_tolerance = 29500,
1615                 .symbol_rate_min = 1000000,
1616                 .symbol_rate_max = 45000000,
1617         /*     . symbol_rate_tolerance  =       ???,*/
1618                 .caps = FE_CAN_FEC_AUTO | FE_CAN_QPSK
1619         },
1620
1621         .release = dst_release,
1622         .init = dst_init,
1623         .tune = dst_tune_frontend,
1624         .set_frontend = dst_set_frontend,
1625         .get_frontend = dst_get_frontend,
1626         .get_frontend_algo = dst_get_tuning_algo,
1627         .read_status = dst_read_status,
1628         .read_signal_strength = dst_read_signal_strength,
1629         .read_snr = dst_read_snr,
1630         .diseqc_send_burst = dst_send_burst,
1631         .diseqc_send_master_cmd = dst_set_diseqc,
1632         .set_voltage = dst_set_voltage,
1633         .set_tone = dst_set_tone,
1634 };
1635
1636 static struct dvb_frontend_ops dst_dvbc_ops = {
1637
1638         .info = {
1639                 .name = "DST DVB-C",
1640                 .type = FE_QAM,
1641                 .frequency_stepsize = 62500,
1642                 .frequency_min = 51000000,
1643                 .frequency_max = 858000000,
1644                 .symbol_rate_min = 1000000,
1645                 .symbol_rate_max = 45000000,
1646         /*     . symbol_rate_tolerance  =       ???,*/
1647                 .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO
1648         },
1649
1650         .release = dst_release,
1651         .init = dst_init,
1652         .tune = dst_tune_frontend,
1653         .set_frontend = dst_set_frontend,
1654         .get_frontend = dst_get_frontend,
1655         .get_frontend_algo = dst_get_tuning_algo,
1656         .read_status = dst_read_status,
1657         .read_signal_strength = dst_read_signal_strength,
1658         .read_snr = dst_read_snr,
1659 };
1660
1661 static struct dvb_frontend_ops dst_atsc_ops = {
1662         .info = {
1663                 .name = "DST ATSC",
1664                 .type = FE_ATSC,
1665                 .frequency_stepsize = 62500,
1666                 .frequency_min = 510000000,
1667                 .frequency_max = 858000000,
1668                 .symbol_rate_min = 1000000,
1669                 .symbol_rate_max = 45000000,
1670                 .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO | FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_8VSB
1671         },
1672
1673         .release = dst_release,
1674         .init = dst_init,
1675         .tune = dst_tune_frontend,
1676         .set_frontend = dst_set_frontend,
1677         .get_frontend = dst_get_frontend,
1678         .get_frontend_algo = dst_get_tuning_algo,
1679         .read_status = dst_read_status,
1680         .read_signal_strength = dst_read_signal_strength,
1681         .read_snr = dst_read_snr,
1682 };
1683
1684 MODULE_DESCRIPTION("DST DVB-S/T/C/ATSC Combo Frontend driver");
1685 MODULE_AUTHOR("Jamie Honan, Manu Abraham");
1686 MODULE_LICENSE("GPL");