V4L/DVB (4167): Add Board Names
[pandora-kernel.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_TS204)
547                 dprintk(verbose, DST_ERROR, 0, " 0x%x ts204", DST_TYPE_HAS_TS204);
548         if (type_flags & DST_TYPE_HAS_SYMDIV)
549                 dprintk(verbose, DST_ERROR, 0, " 0x%x symdiv", DST_TYPE_HAS_SYMDIV);
550         if (type_flags & DST_TYPE_HAS_FW_1)
551                 dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 1", DST_TYPE_HAS_FW_1);
552         if (type_flags & DST_TYPE_HAS_FW_2)
553                 dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 2", DST_TYPE_HAS_FW_2);
554         if (type_flags & DST_TYPE_HAS_FW_3)
555                 dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 3", DST_TYPE_HAS_FW_3);
556         dprintk(verbose, DST_ERROR, 0, "\n");
557 }
558
559
560 static int dst_type_print(u8 type)
561 {
562         char *otype;
563         switch (type) {
564         case DST_TYPE_IS_SAT:
565                 otype = "satellite";
566                 break;
567
568         case DST_TYPE_IS_TERR:
569                 otype = "terrestrial";
570                 break;
571
572         case DST_TYPE_IS_CABLE:
573                 otype = "cable";
574                 break;
575
576         case DST_TYPE_IS_ATSC:
577                 otype = "atsc";
578                 break;
579
580         default:
581                 dprintk(verbose, DST_INFO, 1, "invalid dst type %d", type);
582                 return -EINVAL;
583         }
584         dprintk(verbose, DST_INFO, 1, "DST type: %s", otype);
585
586         return 0;
587 }
588
589 struct tuner_types tuner_list[] = {
590         {
591                 .tuner_type = 2,
592                 .tuner_name = "L 64724",
593                 .board_name = " "
594         },
595
596         {
597                 .tuner_type = 4,
598                 .tuner_name = "STV 0299",
599                 .board_name = "VP1030"
600         },
601
602         {
603                 .tuner_type = 8,
604                 .tuner_name = "MB 86A15",
605                 .board_name = "VP1025"
606         },
607
608         {
609                 .tuner_type = 16,
610                 .tuner_name = "NXT 200x",
611                 .board_name = "VP3250"
612         }
613 };
614
615 /*
616         Known cards list
617         Satellite
618         -------------------
619                   200103A
620         VP-1020   DST-MOT       LG(old), TS=188
621
622         VP-1020   DST-03T       LG(new), TS=204
623         VP-1022   DST-03T       LG(new), TS=204
624         VP-1025   DST-03T       LG(new), TS=204
625
626         VP-1030   DSTMCI,       LG(new), TS=188
627         VP-1032   DSTMCI,       LG(new), TS=188
628
629         Cable
630         -------------------
631         VP-2030   DCT-CI,       Samsung, TS=204
632         VP-2021   DCT-CI,       Unknown, TS=204
633         VP-2031   DCT-CI,       Philips, TS=188
634         VP-2040   DCT-CI,       Philips, TS=188, with CA daughter board
635         VP-2040   DCT-CI,       Philips, TS=204, without CA daughter board
636
637         Terrestrial
638         -------------------
639         VP-3050  DTTNXT                  TS=188
640         VP-3040  DTT-CI,        Philips, TS=188
641         VP-3040  DTT-CI,        Philips, TS=204
642
643         ATSC
644         -------------------
645         VP-3220  ATSCDI,                 TS=188
646         VP-3250  ATSCAD,                 TS=188
647
648 */
649
650 static struct dst_types dst_tlist[] = {
651         {
652                 .device_id = "200103A",
653                 .offset = 0,
654                 .dst_type =  DST_TYPE_IS_SAT,
655                 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1 | DST_TYPE_HAS_OBS_REGS,
656                 .dst_feature = 0,
657                 .tuner_type = 0
658         },      /*      obsolete        */
659
660         {
661                 .device_id = "DST-020",
662                 .offset = 0,
663                 .dst_type =  DST_TYPE_IS_SAT,
664                 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
665                 .dst_feature = 0,
666                 .tuner_type = 0
667         },      /*      obsolete        */
668
669         {
670                 .device_id = "DST-030",
671                 .offset =  0,
672                 .dst_type = DST_TYPE_IS_SAT,
673                 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1,
674                 .dst_feature = 0,
675                 .tuner_type = 0
676         },      /*      obsolete        */
677
678         {
679                 .device_id = "DST-03T",
680                 .offset = 0,
681                 .dst_type = DST_TYPE_IS_SAT,
682                 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_TS204 | DST_TYPE_HAS_FW_2,
683                 .dst_feature = DST_TYPE_HAS_DISEQC3 | DST_TYPE_HAS_DISEQC4 | DST_TYPE_HAS_DISEQC5
684                                                          | DST_TYPE_HAS_MAC | DST_TYPE_HAS_MOTO,
685                 .tuner_type = TUNER_TYPE_MULTI
686          },
687
688         {
689                 .device_id = "DST-MOT",
690                 .offset =  0,
691                 .dst_type = DST_TYPE_IS_SAT,
692                 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
693                 .dst_feature = 0,
694                 .tuner_type = 0
695         },      /*      obsolete        */
696
697         {
698                 .device_id = "DST-CI",
699                 .offset = 1,
700                 .dst_type = DST_TYPE_IS_SAT,
701                 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_FW_1,
702                 .dst_feature = DST_TYPE_HAS_CA,
703                 .tuner_type = 0
704         },      /*      An OEM board    */
705
706         {
707                 .device_id = "DSTMCI",
708                 .offset = 1,
709                 .dst_type = DST_TYPE_IS_SAT,
710                 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD | DST_TYPE_HAS_INC_COUNT,
711                 .dst_feature = DST_TYPE_HAS_CA | DST_TYPE_HAS_DISEQC3 | DST_TYPE_HAS_DISEQC4
712                                                         | DST_TYPE_HAS_MOTO | DST_TYPE_HAS_MAC,
713                 .tuner_type = TUNER_TYPE_MULTI
714         },
715
716         {
717                 .device_id = "DSTFCI",
718                 .offset = 1,
719                 .dst_type = DST_TYPE_IS_SAT,
720                 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1,
721                 .dst_feature = 0,
722                 .tuner_type = 0
723         },      /* unknown to vendor    */
724
725         {
726                 .device_id = "DCT-CI",
727                 .offset = 1,
728                 .dst_type = DST_TYPE_IS_CABLE,
729                 .type_flags = DST_TYPE_HAS_MULTI_FE | DST_TYPE_HAS_FW_1 | DST_TYPE_HAS_FW_2,
730                 .dst_feature = DST_TYPE_HAS_CA,
731                 .tuner_type = 0
732         },
733
734         {
735                 .device_id = "DCTNEW",
736                 .offset = 1,
737                 .dst_type = DST_TYPE_IS_CABLE,
738                 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_3 | DST_TYPE_HAS_FW_BUILD,
739                 .dst_feature = 0,
740                 .tuner_type = 0
741         },
742
743         {
744                 .device_id = "DTT-CI",
745                 .offset = 1,
746                 .dst_type = DST_TYPE_IS_TERR,
747                 .type_flags = DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_MULTI_FE,
748                 .dst_feature = DST_TYPE_HAS_CA,
749                 .tuner_type = 0
750         },
751
752         {
753                 .device_id = "DTTDIG",
754                 .offset = 1,
755                 .dst_type = DST_TYPE_IS_TERR,
756                 .type_flags = DST_TYPE_HAS_FW_2,
757                 .dst_feature = 0,
758                 .tuner_type = 0
759         },
760
761         {
762                 .device_id = "DTTNXT",
763                 .offset = 1,
764                 .dst_type = DST_TYPE_IS_TERR,
765                 .type_flags = DST_TYPE_HAS_FW_2,
766                 .dst_feature = DST_TYPE_HAS_ANALOG,
767                 .tuner_type = 0
768         },
769
770         {
771                 .device_id = "ATSCDI",
772                 .offset = 1,
773                 .dst_type = DST_TYPE_IS_ATSC,
774                 .type_flags = DST_TYPE_HAS_FW_2,
775                 .dst_feature = 0,
776                 .tuner_type = 0
777         },
778
779         {
780                 .device_id = "ATSCAD",
781                 .offset = 1,
782                 .dst_type = DST_TYPE_IS_ATSC,
783                 .type_flags = DST_TYPE_HAS_MULTI_FE | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD,
784                 .dst_feature = DST_TYPE_HAS_MAC | DST_TYPE_HAS_ANALOG,
785                 .tuner_type = 0
786         },
787
788         { }
789
790 };
791
792 static int dst_get_mac(struct dst_state *state)
793 {
794         u8 get_mac[] = { 0x00, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
795         get_mac[7] = dst_check_sum(get_mac, 7);
796         if (dst_command(state, get_mac, 8) < 0) {
797                 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
798                 return -1;
799         }
800         memset(&state->mac_address, '\0', 8);
801         memcpy(&state->mac_address, &state->rxbuffer, 6);
802         dprintk(verbose, DST_ERROR, 1, "MAC Address=[%02x:%02x:%02x:%02x:%02x:%02x]",
803                 state->mac_address[0], state->mac_address[1], state->mac_address[2],
804                 state->mac_address[4], state->mac_address[5], state->mac_address[6]);
805
806         return 0;
807 }
808
809 static int dst_fw_ver(struct dst_state *state)
810 {
811         u8 get_ver[] = { 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
812         get_ver[7] = dst_check_sum(get_ver, 7);
813         if (dst_command(state, get_ver, 8) < 0) {
814                 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
815                 return -1;
816         }
817         memset(&state->fw_version, '\0', 8);
818         memcpy(&state->fw_version, &state->rxbuffer, 8);
819         dprintk(verbose, DST_ERROR, 1, "Firmware Ver = %x.%x Build = %02x, on %x:%x, %x-%x-20%02x",
820                 state->fw_version[0] >> 4, state->fw_version[0] & 0x0f,
821                 state->fw_version[1],
822                 state->fw_version[5], state->fw_version[6],
823                 state->fw_version[4], state->fw_version[3], state->fw_version[2]);
824
825         return 0;
826 }
827
828 static int dst_card_type(struct dst_state *state)
829 {
830         int j;
831         struct tuner_types *p_tuner_list = NULL;
832
833         u8 get_type[] = { 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
834         get_type[7] = dst_check_sum(get_type, 7);
835         if (dst_command(state, get_type, 8) < 0) {
836                 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
837                 return -1;
838         }
839         memset(&state->card_info, '\0', 8);
840         memcpy(&state->card_info, &state->rxbuffer, 7);
841         dprintk(verbose, DST_ERROR, 1, "Device Model=[%s]", &state->card_info[0]);
842
843         for (j = 0, p_tuner_list = tuner_list; j < ARRAY_SIZE(tuner_list); j++, p_tuner_list++) {
844                 if (!strcmp(&state->card_info[0], p_tuner_list->board_name)) {
845                         state->tuner_type = p_tuner_list->tuner_type;
846                         dprintk(verbose, DST_ERROR, 1, "DST has [%s] tuner, tuner type=[%d]\n",
847                                 p_tuner_list->tuner_name, p_tuner_list->tuner_type);
848                 }
849         }
850
851         return 0;
852 }
853
854 static int dst_get_vendor(struct dst_state *state)
855 {
856         u8 get_vendor[] = { 0x00, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
857         get_vendor[7] = dst_check_sum(get_vendor, 7);
858         if (dst_command(state, get_vendor, 8) < 0) {
859                 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
860                 return -1;
861         }
862         memset(&state->vendor, '\0', 8);
863         memcpy(&state->vendor, &state->rxbuffer, 7);
864         dprintk(verbose, DST_ERROR, 1, "Vendor=[%s]", &state->vendor[0]);
865
866         return 0;
867 }
868
869 static int dst_get_tuner_info(struct dst_state *state)
870 {
871         u8 get_tuner_1[] = { 0x00, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
872         u8 get_tuner_2[] = { 0x00, 0x0b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
873
874         get_tuner_1[7] = dst_check_sum(get_tuner_1, 7);
875         get_tuner_2[7] = dst_check_sum(get_tuner_2, 7);
876         dprintk(verbose, DST_ERROR, 1, "DST TYpe = MULTI FE");
877         if (state->type_flags & DST_TYPE_HAS_MULTI_FE) {
878 //              if (dst_command(state, get_tuner_2, 8) < 0) {
879                 if (dst_command(state, get_tuner_1, 8) < 0) {
880                         dprintk(verbose, DST_INFO, 1, "Cmd=[0x13], Unsupported");
881                         return -1;
882                 }
883         } else {
884 //              if (dst_command(state, get_tuner_1, 8) < 0) {
885                 if (dst_command(state, get_tuner_2, 8) < 0) {
886                         dprintk(verbose, DST_INFO, 1, "Cmd=[0xb], Unsupported");
887                         return -1;
888                 }
889         }
890         memset(&state->board_info, '\0', 8);
891         memcpy(&state->board_info, &state->rxbuffer, 8);
892         if (state->type_flags & DST_TYPE_HAS_MULTI_FE) {
893                 dprintk(verbose, DST_ERROR, 1, "DST type has TS=188");
894 /*
895                 if (state->board_info[1] == 0x0b) {
896                         if (state->type_flags & DST_TYPE_HAS_TS204)
897                                 state->type_flags &= ~DST_TYPE_HAS_TS204;
898                         state->type_flags |= DST_TYPE_HAS_NEWTUNE;
899                         dprintk(verbose, DST_INFO, 1, "DST type has TS=188");
900                 } else {
901                         if (state->type_flags & DST_TYPE_HAS_NEWTUNE)
902                                 state->type_flags &= ~DST_TYPE_HAS_NEWTUNE;
903                         state->type_flags |= DST_TYPE_HAS_TS204;
904                         dprintk(verbose, DST_INFO, 1, "DST type has TS=204");
905                 }
906         } else {
907 */
908         }
909         if (state->board_info[0] == 0xbc) {
910 //              if (state->type_flags & DST_TYPE_HAS_TS204)
911 //                      state->type_flags &= ~DST_TYPE_HAS_TS204;
912                 state->type_flags |= DST_TYPE_HAS_NEWTUNE;
913                 dprintk(verbose, DST_INFO, 1, "DST type has TS=188, Daughterboard=[%d]", state->board_info[1]);
914
915         } else if (state->board_info[0] == 0xcc) {
916 //              if (state->type_flags & DST_TYPE_HAS_NEWTUNE)
917 //                      state->type_flags &= ~DST_TYPE_HAS_NEWTUNE;
918                 state->type_flags |= DST_TYPE_HAS_TS204;
919                 dprintk(verbose, DST_INFO, 1, "DST type has TS=204 Daughterboard=[%d]", state->board_info[1]);
920         }
921 //      }
922
923         return 0;
924 }
925
926 static int dst_get_device_id(struct dst_state *state)
927 {
928         u8 reply;
929
930         int i, j;
931         struct dst_types *p_dst_type;
932         struct tuner_types *p_tuner_list;
933
934         u8 use_dst_type = 0;
935         u32 use_type_flags = 0;
936
937         static u8 device_type[8] = {0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff};
938
939         device_type[7] = dst_check_sum(device_type, 7);
940
941         if (write_dst(state, device_type, FIXED_COMM))
942                 return -1;              /*      Write failed            */
943         if ((dst_pio_disable(state)) < 0)
944                 return -1;
945         if (read_dst(state, &reply, GET_ACK))
946                 return -1;              /*      Read failure            */
947         if (reply != ACK) {
948                 dprintk(verbose, DST_INFO, 1, "Write not Acknowledged! [Reply=0x%02x]", reply);
949                 return -1;              /*      Unack'd write           */
950         }
951         if (!dst_wait_dst_ready(state, DEVICE_INIT))
952                 return -1;              /*      DST not ready yet       */
953         if (read_dst(state, state->rxbuffer, FIXED_COMM))
954                 return -1;
955
956         dst_pio_disable(state);
957         if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
958                 dprintk(verbose, DST_INFO, 1, "Checksum failure!");
959                 return -1;              /*      Checksum failure        */
960         }
961         state->rxbuffer[7] = '\0';
962
963         for (i = 0, p_dst_type = dst_tlist; i < ARRAY_SIZE(dst_tlist); i++, p_dst_type++) {
964                 if (!strncmp (&state->rxbuffer[p_dst_type->offset], p_dst_type->device_id, strlen (p_dst_type->device_id))) {
965                         use_type_flags = p_dst_type->type_flags;
966                         use_dst_type = p_dst_type->dst_type;
967
968                         /*      Card capabilities       */
969                         state->dst_hw_cap = p_dst_type->dst_feature;
970                         dprintk(verbose, DST_ERROR, 1, "Recognise [%s]\n", p_dst_type->device_id);
971
972                         if (p_dst_type->tuner_type != TUNER_TYPE_MULTI) {
973                                 state->tuner_type = p_dst_type->tuner_type;
974
975                                 for (j = 0, p_tuner_list = tuner_list; j < ARRAY_SIZE(tuner_list); j++, p_tuner_list++) {
976                                         if (p_dst_type->tuner_type == p_tuner_list->tuner_type) {
977                                                 state->tuner_type = p_tuner_list->tuner_type;
978                                                 dprintk(verbose, DST_ERROR, 1, "DST has a [%s] based tuner\n", p_tuner_list->tuner_name);
979                                         }
980                                 }
981                         }
982                         break;
983                 }
984         }
985
986         if (i >= sizeof (dst_tlist) / sizeof (dst_tlist [0])) {
987                 dprintk(verbose, DST_ERROR, 1, "Unable to recognize %s or %s", &state->rxbuffer[0], &state->rxbuffer[1]);
988                 dprintk(verbose, DST_ERROR, 1, "please email linux-dvb@linuxtv.org with this type in");
989                 use_dst_type = DST_TYPE_IS_SAT;
990                 use_type_flags = DST_TYPE_HAS_SYMDIV;
991         }
992         dst_type_print(use_dst_type);
993         state->type_flags = use_type_flags;
994         state->dst_type = use_dst_type;
995         dst_type_flags_print(state->type_flags);
996
997         return 0;
998 }
999
1000 static int dst_probe(struct dst_state *state)
1001 {
1002         mutex_init(&state->dst_mutex);
1003         if (dst_addons & DST_TYPE_HAS_CA) {
1004                 if ((rdc_8820_reset(state)) < 0) {
1005                         dprintk(verbose, DST_ERROR, 1, "RDC 8820 RESET Failed.");
1006                         return -1;
1007                 }
1008                 msleep(4000);
1009         } else {
1010                 msleep(100);
1011         }
1012         if ((dst_comm_init(state)) < 0) {
1013                 dprintk(verbose, DST_ERROR, 1, "DST Initialization Failed.");
1014                 return -1;
1015         }
1016         msleep(100);
1017         if (dst_get_device_id(state) < 0) {
1018                 dprintk(verbose, DST_ERROR, 1, "unknown device.");
1019                 return -1;
1020         }
1021         if (dst_get_mac(state) < 0) {
1022                 dprintk(verbose, DST_INFO, 1, "MAC: Unsupported command");
1023                 return 0;
1024         }
1025         if ((state->type_flags & DST_TYPE_HAS_MULTI_FE) || (state->type_flags & DST_TYPE_HAS_FW_BUILD)) {
1026                 if (dst_get_tuner_info(state) < 0)
1027                         dprintk(verbose, DST_INFO, 1, "Tuner: Unsupported command");
1028         }
1029         if (state->type_flags & DST_TYPE_HAS_TS204) {
1030                 dst_packsize(state, 204);
1031         }
1032         if (state->type_flags & DST_TYPE_HAS_FW_BUILD) {
1033                 if (dst_fw_ver(state) < 0) {
1034                         dprintk(verbose, DST_INFO, 1, "FW: Unsupported command");
1035                         return 0;
1036                 }
1037                 if (dst_card_type(state) < 0) {
1038                         dprintk(verbose, DST_INFO, 1, "Card: Unsupported command");
1039                         return 0;
1040                 }
1041                 if (dst_get_vendor(state) < 0) {
1042                         dprintk(verbose, DST_INFO, 1, "Vendor: Unsupported command");
1043                         return 0;
1044                 }
1045         }
1046
1047         return 0;
1048 }
1049
1050 int dst_command(struct dst_state *state, u8 *data, u8 len)
1051 {
1052         u8 reply;
1053
1054         mutex_lock(&state->dst_mutex);
1055         if ((dst_comm_init(state)) < 0) {
1056                 dprintk(verbose, DST_NOTICE, 1, "DST Communication Initialization Failed.");
1057                 goto error;
1058         }
1059         if (write_dst(state, data, len)) {
1060                 dprintk(verbose, DST_INFO, 1, "Tring to recover.. ");
1061                 if ((dst_error_recovery(state)) < 0) {
1062                         dprintk(verbose, DST_ERROR, 1, "Recovery Failed.");
1063                         goto error;
1064                 }
1065                 goto error;
1066         }
1067         if ((dst_pio_disable(state)) < 0) {
1068                 dprintk(verbose, DST_ERROR, 1, "PIO Disable Failed.");
1069                 goto error;
1070         }
1071         if (state->type_flags & DST_TYPE_HAS_FW_1)
1072                 udelay(3000);
1073         if (read_dst(state, &reply, GET_ACK)) {
1074                 dprintk(verbose, DST_DEBUG, 1, "Trying to recover.. ");
1075                 if ((dst_error_recovery(state)) < 0) {
1076                         dprintk(verbose, DST_INFO, 1, "Recovery Failed.");
1077                         goto error;
1078                 }
1079                 goto error;
1080         }
1081         if (reply != ACK) {
1082                 dprintk(verbose, DST_INFO, 1, "write not acknowledged 0x%02x ", reply);
1083                 goto error;
1084         }
1085         if (len >= 2 && data[0] == 0 && (data[1] == 1 || data[1] == 3))
1086                 goto error;
1087         if (state->type_flags & DST_TYPE_HAS_FW_1)
1088                 udelay(3000);
1089         else
1090                 udelay(2000);
1091         if (!dst_wait_dst_ready(state, NO_DELAY))
1092                 goto error;
1093         if (read_dst(state, state->rxbuffer, FIXED_COMM)) {
1094                 dprintk(verbose, DST_DEBUG, 1, "Trying to recover.. ");
1095                 if ((dst_error_recovery(state)) < 0) {
1096                         dprintk(verbose, DST_INFO, 1, "Recovery failed.");
1097                         goto error;
1098                 }
1099                 goto error;
1100         }
1101         if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
1102                 dprintk(verbose, DST_INFO, 1, "checksum failure");
1103                 goto error;
1104         }
1105         mutex_unlock(&state->dst_mutex);
1106         return 0;
1107
1108 error:
1109         mutex_unlock(&state->dst_mutex);
1110         return -EIO;
1111
1112 }
1113 EXPORT_SYMBOL(dst_command);
1114
1115 static int dst_get_signal(struct dst_state *state)
1116 {
1117         int retval;
1118         u8 get_signal[] = { 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfb };
1119         //dprintk("%s: Getting Signal strength and other parameters\n", __FUNCTION__);
1120         if ((state->diseq_flags & ATTEMPT_TUNE) == 0) {
1121                 state->decode_lock = state->decode_strength = state->decode_snr = 0;
1122                 return 0;
1123         }
1124         if (0 == (state->diseq_flags & HAS_LOCK)) {
1125                 state->decode_lock = state->decode_strength = state->decode_snr = 0;
1126                 return 0;
1127         }
1128         if (time_after_eq(jiffies, state->cur_jiff + (HZ / 5))) {
1129                 retval = dst_command(state, get_signal, 8);
1130                 if (retval < 0)
1131                         return retval;
1132                 if (state->dst_type == DST_TYPE_IS_SAT) {
1133                         state->decode_lock = ((state->rxbuffer[6] & 0x10) == 0) ? 1 : 0;
1134                         state->decode_strength = state->rxbuffer[5] << 8;
1135                         state->decode_snr = state->rxbuffer[2] << 8 | state->rxbuffer[3];
1136                 } else if ((state->dst_type == DST_TYPE_IS_TERR) || (state->dst_type == DST_TYPE_IS_CABLE)) {
1137                         state->decode_lock = (state->rxbuffer[1]) ? 1 : 0;
1138                         state->decode_strength = state->rxbuffer[4] << 8;
1139                         state->decode_snr = state->rxbuffer[3] << 8;
1140                 } else if (state->dst_type == DST_TYPE_IS_ATSC) {
1141                         state->decode_lock = (state->rxbuffer[6] == 0x00) ? 1 : 0;
1142                         state->decode_strength = state->rxbuffer[4] << 8;
1143                         state->decode_snr = state->rxbuffer[2] << 8 | state->rxbuffer[3];
1144                 }
1145                 state->cur_jiff = jiffies;
1146         }
1147         return 0;
1148 }
1149
1150 static int dst_tone_power_cmd(struct dst_state *state)
1151 {
1152         u8 paket[8] = { 0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00 };
1153
1154         if (state->dst_type == DST_TYPE_IS_TERR)
1155                 return 0;
1156         paket[4] = state->tx_tuna[4];
1157         paket[2] = state->tx_tuna[2];
1158         paket[3] = state->tx_tuna[3];
1159         paket[7] = dst_check_sum (paket, 7);
1160         dst_command(state, paket, 8);
1161
1162         return 0;
1163 }
1164
1165 static int dst_get_tuna(struct dst_state *state)
1166 {
1167         int retval;
1168
1169         if ((state->diseq_flags & ATTEMPT_TUNE) == 0)
1170                 return 0;
1171         state->diseq_flags &= ~(HAS_LOCK);
1172         if (!dst_wait_dst_ready(state, NO_DELAY))
1173                 return -EIO;
1174         if (state->type_flags & DST_TYPE_HAS_NEWTUNE)
1175                 /* how to get variable length reply ???? */
1176                 retval = read_dst(state, state->rx_tuna, 10);
1177         else
1178                 retval = read_dst(state, &state->rx_tuna[2], FIXED_COMM);
1179         if (retval < 0) {
1180                 dprintk(verbose, DST_DEBUG, 1, "read not successful");
1181                 return retval;
1182         }
1183         if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
1184                 if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[0], 9)) {
1185                         dprintk(verbose, DST_INFO, 1, "checksum failure ? ");
1186                         return -EIO;
1187                 }
1188         } else {
1189                 if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[2], 7)) {
1190                         dprintk(verbose, DST_INFO, 1, "checksum failure? ");
1191                         return -EIO;
1192                 }
1193         }
1194         if (state->rx_tuna[2] == 0 && state->rx_tuna[3] == 0)
1195                 return 0;
1196         if (state->dst_type == DST_TYPE_IS_SAT) {
1197                 state->decode_freq = ((state->rx_tuna[2] & 0x7f) << 8) + state->rx_tuna[3];
1198         } else {
1199                 state->decode_freq = ((state->rx_tuna[2] & 0x7f) << 16) + (state->rx_tuna[3] << 8) + state->rx_tuna[4];
1200         }
1201         state->decode_freq = state->decode_freq * 1000;
1202         state->decode_lock = 1;
1203         state->diseq_flags |= HAS_LOCK;
1204
1205         return 1;
1206 }
1207
1208 static int dst_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage);
1209
1210 static int dst_write_tuna(struct dvb_frontend *fe)
1211 {
1212         struct dst_state *state = fe->demodulator_priv;
1213         int retval;
1214         u8 reply;
1215
1216         dprintk(verbose, DST_INFO, 1, "type_flags 0x%x ", state->type_flags);
1217         state->decode_freq = 0;
1218         state->decode_lock = state->decode_strength = state->decode_snr = 0;
1219         if (state->dst_type == DST_TYPE_IS_SAT) {
1220                 if (!(state->diseq_flags & HAS_POWER))
1221                         dst_set_voltage(fe, SEC_VOLTAGE_13);
1222         }
1223         state->diseq_flags &= ~(HAS_LOCK | ATTEMPT_TUNE);
1224         mutex_lock(&state->dst_mutex);
1225         if ((dst_comm_init(state)) < 0) {
1226                 dprintk(verbose, DST_DEBUG, 1, "DST Communication initialization failed.");
1227                 goto error;
1228         }
1229         if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
1230                 state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[0], 9);
1231                 retval = write_dst(state, &state->tx_tuna[0], 10);
1232         } else {
1233                 state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[2], 7);
1234                 retval = write_dst(state, &state->tx_tuna[2], FIXED_COMM);
1235         }
1236         if (retval < 0) {
1237                 dst_pio_disable(state);
1238                 dprintk(verbose, DST_DEBUG, 1, "write not successful");
1239                 goto werr;
1240         }
1241         if ((dst_pio_disable(state)) < 0) {
1242                 dprintk(verbose, DST_DEBUG, 1, "DST PIO disable failed !");
1243                 goto error;
1244         }
1245         if ((read_dst(state, &reply, GET_ACK) < 0)) {
1246                 dprintk(verbose, DST_DEBUG, 1, "read verify not successful.");
1247                 goto error;
1248         }
1249         if (reply != ACK) {
1250                 dprintk(verbose, DST_DEBUG, 1, "write not acknowledged 0x%02x ", reply);
1251                 goto error;
1252         }
1253         state->diseq_flags |= ATTEMPT_TUNE;
1254         retval = dst_get_tuna(state);
1255 werr:
1256         mutex_unlock(&state->dst_mutex);
1257         return retval;
1258
1259 error:
1260         mutex_unlock(&state->dst_mutex);
1261         return -EIO;
1262 }
1263
1264 /*
1265  * line22k0    0x00, 0x09, 0x00, 0xff, 0x01, 0x00, 0x00, 0x00
1266  * line22k1    0x00, 0x09, 0x01, 0xff, 0x01, 0x00, 0x00, 0x00
1267  * line22k2    0x00, 0x09, 0x02, 0xff, 0x01, 0x00, 0x00, 0x00
1268  * tone        0x00, 0x09, 0xff, 0x00, 0x01, 0x00, 0x00, 0x00
1269  * data        0x00, 0x09, 0xff, 0x01, 0x01, 0x00, 0x00, 0x00
1270  * power_off   0x00, 0x09, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00
1271  * power_on    0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00
1272  * Diseqc 1    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec
1273  * Diseqc 2    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf4, 0xe8
1274  * Diseqc 3    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf8, 0xe4
1275  * Diseqc 4    0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xfc, 0xe0
1276  */
1277
1278 static int dst_set_diseqc(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd *cmd)
1279 {
1280         struct dst_state *state = fe->demodulator_priv;
1281         u8 paket[8] = { 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec };
1282
1283         if (state->dst_type != DST_TYPE_IS_SAT)
1284                 return 0;
1285         if (cmd->msg_len == 0 || cmd->msg_len > 4)
1286                 return -EINVAL;
1287         memcpy(&paket[3], cmd->msg, cmd->msg_len);
1288         paket[7] = dst_check_sum(&paket[0], 7);
1289         dst_command(state, paket, 8);
1290         return 0;
1291 }
1292
1293 static int dst_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
1294 {
1295         int need_cmd;
1296         struct dst_state *state = fe->demodulator_priv;
1297
1298         state->voltage = voltage;
1299         if (state->dst_type != DST_TYPE_IS_SAT)
1300                 return 0;
1301
1302         need_cmd = 0;
1303
1304         switch (voltage) {
1305         case SEC_VOLTAGE_13:
1306         case SEC_VOLTAGE_18:
1307                 if ((state->diseq_flags & HAS_POWER) == 0)
1308                         need_cmd = 1;
1309                 state->diseq_flags |= HAS_POWER;
1310                 state->tx_tuna[4] = 0x01;
1311                 break;
1312         case SEC_VOLTAGE_OFF:
1313                 need_cmd = 1;
1314                 state->diseq_flags &= ~(HAS_POWER | HAS_LOCK | ATTEMPT_TUNE);
1315                 state->tx_tuna[4] = 0x00;
1316                 break;
1317         default:
1318                 return -EINVAL;
1319         }
1320
1321         if (need_cmd)
1322                 dst_tone_power_cmd(state);
1323
1324         return 0;
1325 }
1326
1327 static int dst_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
1328 {
1329         struct dst_state *state = fe->demodulator_priv;
1330
1331         state->tone = tone;
1332         if (state->dst_type != DST_TYPE_IS_SAT)
1333                 return 0;
1334
1335         switch (tone) {
1336         case SEC_TONE_OFF:
1337                 if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1338                     state->tx_tuna[2] = 0x00;
1339                 else
1340                     state->tx_tuna[2] = 0xff;
1341                 break;
1342
1343         case SEC_TONE_ON:
1344                 state->tx_tuna[2] = 0x02;
1345                 break;
1346         default:
1347                 return -EINVAL;
1348         }
1349         dst_tone_power_cmd(state);
1350
1351         return 0;
1352 }
1353
1354 static int dst_send_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t minicmd)
1355 {
1356         struct dst_state *state = fe->demodulator_priv;
1357
1358         if (state->dst_type != DST_TYPE_IS_SAT)
1359                 return 0;
1360         state->minicmd = minicmd;
1361         switch (minicmd) {
1362         case SEC_MINI_A:
1363                 state->tx_tuna[3] = 0x02;
1364                 break;
1365         case SEC_MINI_B:
1366                 state->tx_tuna[3] = 0xff;
1367                 break;
1368         }
1369         dst_tone_power_cmd(state);
1370
1371         return 0;
1372 }
1373
1374
1375 static int dst_init(struct dvb_frontend *fe)
1376 {
1377         struct dst_state *state = fe->demodulator_priv;
1378
1379         static u8 sat_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x00, 0x73, 0x21, 0x00, 0x00 };
1380         static u8 sat_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x55, 0xbd, 0x50, 0x00, 0x00 };
1381         static u8 ter_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1382         static u8 ter_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1383         static u8 cab_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1384         static u8 cab_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1385         static u8 atsc_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1386         static u8 atsc_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1387
1388         state->inversion = INVERSION_OFF;
1389         state->voltage = SEC_VOLTAGE_13;
1390         state->tone = SEC_TONE_OFF;
1391         state->diseq_flags = 0;
1392         state->k22 = 0x02;
1393         state->bandwidth = BANDWIDTH_7_MHZ;
1394         state->cur_jiff = jiffies;
1395         if (state->dst_type == DST_TYPE_IS_SAT)
1396                 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? sat_tuna_188 : sat_tuna_204), sizeof (sat_tuna_204));
1397         else if (state->dst_type == DST_TYPE_IS_TERR)
1398                 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? ter_tuna_188 : ter_tuna_204), sizeof (ter_tuna_204));
1399         else if (state->dst_type == DST_TYPE_IS_CABLE)
1400                 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? cab_tuna_188 : cab_tuna_204), sizeof (cab_tuna_204));
1401         else if (state->dst_type == DST_TYPE_IS_ATSC)
1402                 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? atsc_tuna_188 : atsc_tuna_204), sizeof (atsc_tuna_204));
1403
1404         return 0;
1405 }
1406
1407 static int dst_read_status(struct dvb_frontend *fe, fe_status_t *status)
1408 {
1409         struct dst_state *state = fe->demodulator_priv;
1410
1411         *status = 0;
1412         if (state->diseq_flags & HAS_LOCK) {
1413 //              dst_get_signal(state);  // don't require(?) to ask MCU
1414                 if (state->decode_lock)
1415                         *status |= FE_HAS_LOCK | FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_SYNC | FE_HAS_VITERBI;
1416         }
1417
1418         return 0;
1419 }
1420
1421 static int dst_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
1422 {
1423         struct dst_state *state = fe->demodulator_priv;
1424
1425         dst_get_signal(state);
1426         *strength = state->decode_strength;
1427
1428         return 0;
1429 }
1430
1431 static int dst_read_snr(struct dvb_frontend *fe, u16 *snr)
1432 {
1433         struct dst_state *state = fe->demodulator_priv;
1434
1435         dst_get_signal(state);
1436         *snr = state->decode_snr;
1437
1438         return 0;
1439 }
1440
1441 static int dst_set_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
1442 {
1443         struct dst_state *state = fe->demodulator_priv;
1444
1445         if (p != NULL) {
1446                 dst_set_freq(state, p->frequency);
1447                 dprintk(verbose, DST_DEBUG, 1, "Set Frequency=[%d]", p->frequency);
1448
1449                 if (state->dst_type == DST_TYPE_IS_SAT) {
1450                         if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1451                                 dst_set_inversion(state, p->inversion);
1452                         dst_set_fec(state, p->u.qpsk.fec_inner);
1453                         dst_set_symbolrate(state, p->u.qpsk.symbol_rate);
1454                         dst_set_polarization(state);
1455                         dprintk(verbose, DST_DEBUG, 1, "Set Symbolrate=[%d]", p->u.qpsk.symbol_rate);
1456
1457                 } else if (state->dst_type == DST_TYPE_IS_TERR)
1458                         dst_set_bandwidth(state, p->u.ofdm.bandwidth);
1459                 else if (state->dst_type == DST_TYPE_IS_CABLE) {
1460                         dst_set_fec(state, p->u.qam.fec_inner);
1461                         dst_set_symbolrate(state, p->u.qam.symbol_rate);
1462                         dst_set_modulation(state, p->u.qam.modulation);
1463                 }
1464                 dst_write_tuna(fe);
1465         }
1466
1467         return 0;
1468 }
1469
1470 static int dst_tune_frontend(struct dvb_frontend* fe,
1471                             struct dvb_frontend_parameters* p,
1472                             unsigned int mode_flags,
1473                             int *delay,
1474                             fe_status_t *status)
1475 {
1476         struct dst_state *state = fe->demodulator_priv;
1477
1478         if (p != NULL) {
1479                 dst_set_freq(state, p->frequency);
1480                 dprintk(verbose, DST_DEBUG, 1, "Set Frequency=[%d]", p->frequency);
1481
1482                 if (state->dst_type == DST_TYPE_IS_SAT) {
1483                         if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1484                                 dst_set_inversion(state, p->inversion);
1485                         dst_set_fec(state, p->u.qpsk.fec_inner);
1486                         dst_set_symbolrate(state, p->u.qpsk.symbol_rate);
1487                         dst_set_polarization(state);
1488                         dprintk(verbose, DST_DEBUG, 1, "Set Symbolrate=[%d]", p->u.qpsk.symbol_rate);
1489
1490                 } else if (state->dst_type == DST_TYPE_IS_TERR)
1491                         dst_set_bandwidth(state, p->u.ofdm.bandwidth);
1492                 else if (state->dst_type == DST_TYPE_IS_CABLE) {
1493                         dst_set_fec(state, p->u.qam.fec_inner);
1494                         dst_set_symbolrate(state, p->u.qam.symbol_rate);
1495                         dst_set_modulation(state, p->u.qam.modulation);
1496                 }
1497                 dst_write_tuna(fe);
1498         }
1499
1500         if (!(mode_flags & FE_TUNE_MODE_ONESHOT))
1501                 dst_read_status(fe, status);
1502
1503         *delay = HZ/10;
1504         return 0;
1505 }
1506
1507 static int dst_get_tuning_algo(struct dvb_frontend *fe)
1508 {
1509         return dst_algo;
1510 }
1511
1512 static int dst_get_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
1513 {
1514         struct dst_state *state = fe->demodulator_priv;
1515
1516         p->frequency = state->decode_freq;
1517         if (state->dst_type == DST_TYPE_IS_SAT) {
1518                 if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1519                         p->inversion = state->inversion;
1520                 p->u.qpsk.symbol_rate = state->symbol_rate;
1521                 p->u.qpsk.fec_inner = dst_get_fec(state);
1522         } else if (state->dst_type == DST_TYPE_IS_TERR) {
1523                 p->u.ofdm.bandwidth = state->bandwidth;
1524         } else if (state->dst_type == DST_TYPE_IS_CABLE) {
1525                 p->u.qam.symbol_rate = state->symbol_rate;
1526                 p->u.qam.fec_inner = dst_get_fec(state);
1527                 p->u.qam.modulation = dst_get_modulation(state);
1528         }
1529
1530         return 0;
1531 }
1532
1533 static void dst_release(struct dvb_frontend *fe)
1534 {
1535         struct dst_state *state = fe->demodulator_priv;
1536         kfree(state);
1537 }
1538
1539 static struct dvb_frontend_ops dst_dvbt_ops;
1540 static struct dvb_frontend_ops dst_dvbs_ops;
1541 static struct dvb_frontend_ops dst_dvbc_ops;
1542 static struct dvb_frontend_ops dst_atsc_ops;
1543
1544 struct dst_state *dst_attach(struct dst_state *state, struct dvb_adapter *dvb_adapter)
1545 {
1546         /* check if the ASIC is there */
1547         if (dst_probe(state) < 0) {
1548                 kfree(state);
1549                 return NULL;
1550         }
1551         /* determine settings based on type */
1552         /* create dvb_frontend */
1553         switch (state->dst_type) {
1554         case DST_TYPE_IS_TERR:
1555                 memcpy(&state->frontend.ops, &dst_dvbt_ops, sizeof(struct dvb_frontend_ops));
1556                 break;
1557         case DST_TYPE_IS_CABLE:
1558                 memcpy(&state->frontend.ops, &dst_dvbc_ops, sizeof(struct dvb_frontend_ops));
1559                 break;
1560         case DST_TYPE_IS_SAT:
1561                 memcpy(&state->frontend.ops, &dst_dvbs_ops, sizeof(struct dvb_frontend_ops));
1562                 break;
1563         case DST_TYPE_IS_ATSC:
1564                 memcpy(&state->frontend.ops, &dst_atsc_ops, sizeof(struct dvb_frontend_ops));
1565                 break;
1566         default:
1567                 dprintk(verbose, DST_ERROR, 1, "unknown DST type. please report to the LinuxTV.org DVB mailinglist.");
1568                 kfree(state);
1569                 return NULL;
1570         }
1571         state->frontend.demodulator_priv = state;
1572
1573         return state;                           /*      Manu (DST is a card not a frontend)     */
1574 }
1575
1576 EXPORT_SYMBOL(dst_attach);
1577
1578 static struct dvb_frontend_ops dst_dvbt_ops = {
1579
1580         .info = {
1581                 .name = "DST DVB-T",
1582                 .type = FE_OFDM,
1583                 .frequency_min = 137000000,
1584                 .frequency_max = 858000000,
1585                 .frequency_stepsize = 166667,
1586                 .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO
1587         },
1588
1589         .release = dst_release,
1590         .init = dst_init,
1591         .tune = dst_tune_frontend,
1592         .set_frontend = dst_set_frontend,
1593         .get_frontend = dst_get_frontend,
1594         .get_frontend_algo = dst_get_tuning_algo,
1595         .read_status = dst_read_status,
1596         .read_signal_strength = dst_read_signal_strength,
1597         .read_snr = dst_read_snr,
1598 };
1599
1600 static struct dvb_frontend_ops dst_dvbs_ops = {
1601
1602         .info = {
1603                 .name = "DST DVB-S",
1604                 .type = FE_QPSK,
1605                 .frequency_min = 950000,
1606                 .frequency_max = 2150000,
1607                 .frequency_stepsize = 1000,     /* kHz for QPSK frontends */
1608                 .frequency_tolerance = 29500,
1609                 .symbol_rate_min = 1000000,
1610                 .symbol_rate_max = 45000000,
1611         /*     . symbol_rate_tolerance  =       ???,*/
1612                 .caps = FE_CAN_FEC_AUTO | FE_CAN_QPSK
1613         },
1614
1615         .release = dst_release,
1616         .init = dst_init,
1617         .tune = dst_tune_frontend,
1618         .set_frontend = dst_set_frontend,
1619         .get_frontend = dst_get_frontend,
1620         .get_frontend_algo = dst_get_tuning_algo,
1621         .read_status = dst_read_status,
1622         .read_signal_strength = dst_read_signal_strength,
1623         .read_snr = dst_read_snr,
1624         .diseqc_send_burst = dst_send_burst,
1625         .diseqc_send_master_cmd = dst_set_diseqc,
1626         .set_voltage = dst_set_voltage,
1627         .set_tone = dst_set_tone,
1628 };
1629
1630 static struct dvb_frontend_ops dst_dvbc_ops = {
1631
1632         .info = {
1633                 .name = "DST DVB-C",
1634                 .type = FE_QAM,
1635                 .frequency_stepsize = 62500,
1636                 .frequency_min = 51000000,
1637                 .frequency_max = 858000000,
1638                 .symbol_rate_min = 1000000,
1639                 .symbol_rate_max = 45000000,
1640         /*     . symbol_rate_tolerance  =       ???,*/
1641                 .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO
1642         },
1643
1644         .release = dst_release,
1645         .init = dst_init,
1646         .tune = dst_tune_frontend,
1647         .set_frontend = dst_set_frontend,
1648         .get_frontend = dst_get_frontend,
1649         .get_frontend_algo = dst_get_tuning_algo,
1650         .read_status = dst_read_status,
1651         .read_signal_strength = dst_read_signal_strength,
1652         .read_snr = dst_read_snr,
1653 };
1654
1655 static struct dvb_frontend_ops dst_atsc_ops = {
1656         .info = {
1657                 .name = "DST ATSC",
1658                 .type = FE_ATSC,
1659                 .frequency_stepsize = 62500,
1660                 .frequency_min = 510000000,
1661                 .frequency_max = 858000000,
1662                 .symbol_rate_min = 1000000,
1663                 .symbol_rate_max = 45000000,
1664                 .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO | FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_8VSB
1665         },
1666
1667         .release = dst_release,
1668         .init = dst_init,
1669         .tune = dst_tune_frontend,
1670         .set_frontend = dst_set_frontend,
1671         .get_frontend = dst_get_frontend,
1672         .get_frontend_algo = dst_get_tuning_algo,
1673         .read_status = dst_read_status,
1674         .read_signal_strength = dst_read_signal_strength,
1675         .read_snr = dst_read_snr,
1676 };
1677
1678 MODULE_DESCRIPTION("DST DVB-S/T/C/ATSC Combo Frontend driver");
1679 MODULE_AUTHOR("Jamie Honan, Manu Abraham");
1680 MODULE_LICENSE("GPL");