]> git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/blob - drivers/media/dvb/bt8xx/dst.c
projects / mirror_ubuntu-jammy-kernel.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
[PATCH] dvb: dst: protect dst_write_tuna from simultaneous writes
[mirror_ubuntu-jammy-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 #define HAS_LOCK 1
42 #define ATTEMPT_TUNE 2
43 #define HAS_POWER 4
44
45 #define DST_ERROR 0
46 #define DST_NOTICE 1
47 #define DST_INFO 2
48 #define DST_DEBUG 3
49
50 #define dprintk(x, y, z, format, arg...) do { \
51 if (z) { \
52 if ((x > DST_ERROR) && (x > y)) \
53 printk(KERN_ERR "%s: " format "\n", __FUNCTION__ , ##arg); \
54 else if ((x > DST_NOTICE) && (x > y)) \
55 printk(KERN_NOTICE "%s: " format "\n", __FUNCTION__ , ##arg); \
56 else if ((x > DST_INFO) && (x > y)) \
57 printk(KERN_INFO "%s: " format "\n", __FUNCTION__ , ##arg); \
58 else if ((x > DST_DEBUG) && (x > y)) \
59 printk(KERN_DEBUG "%s: " format "\n", __FUNCTION__ , ##arg); \
60 } else { \
61 if (x > y) \
62 printk(format, ##arg); \
63 } \
64 } while(0)
65
66
67 static void dst_packsize(struct dst_state *state, int psize)
68 {
69 union dst_gpio_packet bits;
70
71 bits.psize = psize;
72 bt878_device_control(state->bt, DST_IG_TS, &bits);
73 }
74
75 int dst_gpio_outb(struct dst_state *state, u32 mask, u32 enbb, u32 outhigh, int delay)
76 {
77 union dst_gpio_packet enb;
78 union dst_gpio_packet bits;
79 int err;
80
81 enb.enb.mask = mask;
82 enb.enb.enable = enbb;
83
84 dprintk(verbose, DST_INFO, 1, "mask=[%04x], enbb=[%04x], outhigh=[%04x]", mask, enbb, outhigh);
85 if ((err = bt878_device_control(state->bt, DST_IG_ENABLE, &enb)) < 0) {
86 dprintk(verbose, DST_INFO, 1, "dst_gpio_enb error (err == %i, mask == %02x, enb == %02x)", err, mask, enbb);
87 return -EREMOTEIO;
88 }
89 udelay(1000);
90 /* because complete disabling means no output, no need to do output packet */
91 if (enbb == 0)
92 return 0;
93 if (delay)
94 msleep(10);
95 bits.outp.mask = enbb;
96 bits.outp.highvals = outhigh;
97 if ((err = bt878_device_control(state->bt, DST_IG_WRITE, &bits)) < 0) {
98 dprintk(verbose, DST_INFO, 1, "dst_gpio_outb error (err == %i, enbb == %02x, outhigh == %02x)", err, enbb, outhigh);
99 return -EREMOTEIO;
100 }
101
102 return 0;
103 }
104 EXPORT_SYMBOL(dst_gpio_outb);
105
106 int dst_gpio_inb(struct dst_state *state, u8 *result)
107 {
108 union dst_gpio_packet rd_packet;
109 int err;
110
111 *result = 0;
112 if ((err = bt878_device_control(state->bt, DST_IG_READ, &rd_packet)) < 0) {
113 dprintk(verbose, DST_ERROR, 1, "dst_gpio_inb error (err == %i)\n", err);
114 return -EREMOTEIO;
115 }
116 *result = (u8) rd_packet.rd.value;
117
118 return 0;
119 }
120 EXPORT_SYMBOL(dst_gpio_inb);
121
122 int rdc_reset_state(struct dst_state *state)
123 {
124 dprintk(verbose, DST_INFO, 1, "Resetting state machine");
125 if (dst_gpio_outb(state, RDC_8820_INT, RDC_8820_INT, 0, NO_DELAY) < 0) {
126 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
127 return -1;
128 }
129 msleep(10);
130 if (dst_gpio_outb(state, RDC_8820_INT, RDC_8820_INT, RDC_8820_INT, NO_DELAY) < 0) {
131 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
132 msleep(10);
133 return -1;
134 }
135
136 return 0;
137 }
138 EXPORT_SYMBOL(rdc_reset_state);
139
140 int rdc_8820_reset(struct dst_state *state)
141 {
142 dprintk(verbose, DST_DEBUG, 1, "Resetting DST");
143 if (dst_gpio_outb(state, RDC_8820_RESET, RDC_8820_RESET, 0, NO_DELAY) < 0) {
144 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
145 return -1;
146 }
147 udelay(1000);
148 if (dst_gpio_outb(state, RDC_8820_RESET, RDC_8820_RESET, RDC_8820_RESET, DELAY) < 0) {
149 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
150 return -1;
151 }
152
153 return 0;
154 }
155 EXPORT_SYMBOL(rdc_8820_reset);
156
157 int dst_pio_enable(struct dst_state *state)
158 {
159 if (dst_gpio_outb(state, ~0, RDC_8820_PIO_0_ENABLE, 0, NO_DELAY) < 0) {
160 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
161 return -1;
162 }
163 udelay(1000);
164
165 return 0;
166 }
167 EXPORT_SYMBOL(dst_pio_enable);
168
169 int dst_pio_disable(struct dst_state *state)
170 {
171 if (dst_gpio_outb(state, ~0, RDC_8820_PIO_0_DISABLE, RDC_8820_PIO_0_DISABLE, NO_DELAY) < 0) {
172 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
173 return -1;
174 }
175 if (state->type_flags & DST_TYPE_HAS_FW_1)
176 udelay(1000);
177
178 return 0;
179 }
180 EXPORT_SYMBOL(dst_pio_disable);
181
182 int dst_wait_dst_ready(struct dst_state *state, u8 delay_mode)
183 {
184 u8 reply;
185 int i;
186
187 for (i = 0; i < 200; i++) {
188 if (dst_gpio_inb(state, &reply) < 0) {
189 dprintk(verbose, DST_ERROR, 1, "dst_gpio_inb ERROR !");
190 return -1;
191 }
192 if ((reply & RDC_8820_PIO_0_ENABLE) == 0) {
193 dprintk(verbose, DST_INFO, 1, "dst wait ready after %d", i);
194 return 1;
195 }
196 msleep(10);
197 }
198 dprintk(verbose, DST_NOTICE, 1, "dst wait NOT ready after %d", i);
199
200 return 0;
201 }
202 EXPORT_SYMBOL(dst_wait_dst_ready);
203
204 int dst_error_recovery(struct dst_state *state)
205 {
206 dprintk(verbose, DST_NOTICE, 1, "Trying to return from previous errors.");
207 dst_pio_disable(state);
208 msleep(10);
209 dst_pio_enable(state);
210 msleep(10);
211
212 return 0;
213 }
214 EXPORT_SYMBOL(dst_error_recovery);
215
216 int dst_error_bailout(struct dst_state *state)
217 {
218 dprintk(verbose, DST_INFO, 1, "Trying to bailout from previous error.");
219 rdc_8820_reset(state);
220 dst_pio_disable(state);
221 msleep(10);
222
223 return 0;
224 }
225 EXPORT_SYMBOL(dst_error_bailout);
226
227 int dst_comm_init(struct dst_state *state)
228 {
229 dprintk(verbose, DST_INFO, 1, "Initializing DST.");
230 if ((dst_pio_enable(state)) < 0) {
231 dprintk(verbose, DST_ERROR, 1, "PIO Enable Failed");
232 return -1;
233 }
234 if ((rdc_reset_state(state)) < 0) {
235 dprintk(verbose, DST_ERROR, 1, "RDC 8820 State RESET Failed.");
236 return -1;
237 }
238 if (state->type_flags & DST_TYPE_HAS_FW_1)
239 msleep(100);
240 else
241 msleep(5);
242
243 return 0;
244 }
245 EXPORT_SYMBOL(dst_comm_init);
246
247 int write_dst(struct dst_state *state, u8 *data, u8 len)
248 {
249 struct i2c_msg msg = {
250 .addr = state->config->demod_address,
251 .flags = 0,
252 .buf = data,
253 .len = len
254 };
255
256 int err;
257 u8 cnt, i;
258
259 dprintk(verbose, DST_NOTICE, 0, "writing [ ");
260 for (i = 0; i < len; i++)
261 dprintk(verbose, DST_NOTICE, 0, "%02x ", data[i]);
262 dprintk(verbose, DST_NOTICE, 0, "]\n");
263
264 for (cnt = 0; cnt < 2; cnt++) {
265 if ((err = i2c_transfer(state->i2c, &msg, 1)) < 0) {
266 dprintk(verbose, DST_INFO, 1, "_write_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)", err, len, data[0]);
267 dst_error_recovery(state);
268 continue;
269 } else
270 break;
271 }
272 if (cnt >= 2) {
273 dprintk(verbose, DST_INFO, 1, "RDC 8820 RESET");
274 dst_error_bailout(state);
275
276 return -1;
277 }
278
279 return 0;
280 }
281 EXPORT_SYMBOL(write_dst);
282
283 int read_dst(struct dst_state *state, u8 *ret, u8 len)
284 {
285 struct i2c_msg msg = {
286 .addr = state->config->demod_address,
287 .flags = I2C_M_RD,
288 .buf = ret,
289 .len = len
290 };
291
292 int err;
293 int cnt;
294
295 for (cnt = 0; cnt < 2; cnt++) {
296 if ((err = i2c_transfer(state->i2c, &msg, 1)) < 0) {
297 dprintk(verbose, DST_INFO, 1, "read_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)", err, len, ret[0]);
298 dst_error_recovery(state);
299 continue;
300 } else
301 break;
302 }
303 if (cnt >= 2) {
304 dprintk(verbose, DST_INFO, 1, "RDC 8820 RESET");
305 dst_error_bailout(state);
306
307 return -1;
308 }
309 dprintk(verbose, DST_DEBUG, 1, "reply is 0x%x", ret[0]);
310 for (err = 1; err < len; err++)
311 dprintk(verbose, DST_DEBUG, 0, " 0x%x", ret[err]);
312 if (err > 1)
313 dprintk(verbose, DST_DEBUG, 0, "\n");
314
315 return 0;
316 }
317 EXPORT_SYMBOL(read_dst);
318
319 static int dst_set_polarization(struct dst_state *state)
320 {
321 switch (state->voltage) {
322 case SEC_VOLTAGE_13: /* Vertical */
323 dprintk(verbose, DST_INFO, 1, "Polarization=[Vertical]");
324 state->tx_tuna[8] &= ~0x40;
325 break;
326 case SEC_VOLTAGE_18: /* Horizontal */
327 dprintk(verbose, DST_INFO, 1, "Polarization=[Horizontal]");
328 state->tx_tuna[8] |= 0x40;
329 break;
330 case SEC_VOLTAGE_OFF:
331 break;
332 }
333
334 return 0;
335 }
336
337 static int dst_set_freq(struct dst_state *state, u32 freq)
338 {
339 state->frequency = freq;
340 dprintk(verbose, DST_INFO, 1, "set Frequency %u", freq);
341
342 if (state->dst_type == DST_TYPE_IS_SAT) {
343 freq = freq / 1000;
344 if (freq < 950 || freq > 2150)
345 return -EINVAL;
346 state->tx_tuna[2] = (freq >> 8);
347 state->tx_tuna[3] = (u8) freq;
348 state->tx_tuna[4] = 0x01;
349 state->tx_tuna[8] &= ~0x04;
350 if (state->type_flags & DST_TYPE_HAS_OBS_REGS) {
351 if (freq < 1531)
352 state->tx_tuna[8] |= 0x04;
353 }
354 } else if (state->dst_type == DST_TYPE_IS_TERR) {
355 freq = freq / 1000;
356 if (freq < 137000 || freq > 858000)
357 return -EINVAL;
358 state->tx_tuna[2] = (freq >> 16) & 0xff;
359 state->tx_tuna[3] = (freq >> 8) & 0xff;
360 state->tx_tuna[4] = (u8) freq;
361 } else if (state->dst_type == DST_TYPE_IS_CABLE) {
362 freq = freq / 1000;
363 state->tx_tuna[2] = (freq >> 16) & 0xff;
364 state->tx_tuna[3] = (freq >> 8) & 0xff;
365 state->tx_tuna[4] = (u8) freq;
366 } else
367 return -EINVAL;
368
369 return 0;
370 }
371
372 static int dst_set_bandwidth(struct dst_state *state, fe_bandwidth_t bandwidth)
373 {
374 state->bandwidth = bandwidth;
375
376 if (state->dst_type != DST_TYPE_IS_TERR)
377 return 0;
378
379 switch (bandwidth) {
380 case BANDWIDTH_6_MHZ:
381 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
382 state->tx_tuna[7] = 0x06;
383 else {
384 state->tx_tuna[6] = 0x06;
385 state->tx_tuna[7] = 0x00;
386 }
387 break;
388 case BANDWIDTH_7_MHZ:
389 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
390 state->tx_tuna[7] = 0x07;
391 else {
392 state->tx_tuna[6] = 0x07;
393 state->tx_tuna[7] = 0x00;
394 }
395 break;
396 case BANDWIDTH_8_MHZ:
397 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
398 state->tx_tuna[7] = 0x08;
399 else {
400 state->tx_tuna[6] = 0x08;
401 state->tx_tuna[7] = 0x00;
402 }
403 break;
404 default:
405 return -EINVAL;
406 }
407
408 return 0;
409 }
410
411 static int dst_set_inversion(struct dst_state *state, fe_spectral_inversion_t inversion)
412 {
413 state->inversion = inversion;
414 switch (inversion) {
415 case INVERSION_OFF: /* Inversion = Normal */
416 state->tx_tuna[8] &= ~0x80;
417 break;
418 case INVERSION_ON:
419 state->tx_tuna[8] |= 0x80;
420 break;
421 default:
422 return -EINVAL;
423 }
424
425 return 0;
426 }
427
428 static int dst_set_fec(struct dst_state *state, fe_code_rate_t fec)
429 {
430 state->fec = fec;
431 return 0;
432 }
433
434 static fe_code_rate_t dst_get_fec(struct dst_state *state)
435 {
436 return state->fec;
437 }
438
439 static int dst_set_symbolrate(struct dst_state *state, u32 srate)
440 {
441 u32 symcalc;
442 u64 sval;
443
444 state->symbol_rate = srate;
445 if (state->dst_type == DST_TYPE_IS_TERR) {
446 return 0;
447 }
448 dprintk(verbose, DST_INFO, 1, "set symrate %u", srate);
449 srate /= 1000;
450 if (state->type_flags & DST_TYPE_HAS_SYMDIV) {
451 sval = srate;
452 sval <<= 20;
453 do_div(sval, 88000);
454 symcalc = (u32) sval;
455 dprintk(verbose, DST_INFO, 1, "set symcalc %u", symcalc);
456 state->tx_tuna[5] = (u8) (symcalc >> 12);
457 state->tx_tuna[6] = (u8) (symcalc >> 4);
458 state->tx_tuna[7] = (u8) (symcalc << 4);
459 } else {
460 state->tx_tuna[5] = (u8) (srate >> 16) & 0x7f;
461 state->tx_tuna[6] = (u8) (srate >> 8);
462 state->tx_tuna[7] = (u8) srate;
463 }
464 state->tx_tuna[8] &= ~0x20;
465 if (state->type_flags & DST_TYPE_HAS_OBS_REGS) {
466 if (srate > 8000)
467 state->tx_tuna[8] |= 0x20;
468 }
469 return 0;
470 }
471
472
473 static int dst_set_modulation(struct dst_state *state, fe_modulation_t modulation)
474 {
475 if (state->dst_type != DST_TYPE_IS_CABLE)
476 return 0;
477
478 state->modulation = modulation;
479 switch (modulation) {
480 case QAM_16:
481 state->tx_tuna[8] = 0x10;
482 break;
483 case QAM_32:
484 state->tx_tuna[8] = 0x20;
485 break;
486 case QAM_64:
487 state->tx_tuna[8] = 0x40;
488 break;
489 case QAM_128:
490 state->tx_tuna[8] = 0x80;
491 break;
492 case QAM_256:
493 state->tx_tuna[8] = 0x00;
494 break;
495 case QPSK:
496 case QAM_AUTO:
497 case VSB_8:
498 case VSB_16:
499 default:
500 return -EINVAL;
501
502 }
503
504 return 0;
505 }
506
507 static fe_modulation_t dst_get_modulation(struct dst_state *state)
508 {
509 return state->modulation;
510 }
511
512
513 u8 dst_check_sum(u8 *buf, u32 len)
514 {
515 u32 i;
516 u8 val = 0;
517 if (!len)
518 return 0;
519 for (i = 0; i < len; i++) {
520 val += buf[i];
521 }
522 return ((~val) + 1);
523 }
524 EXPORT_SYMBOL(dst_check_sum);
525
526 static void dst_type_flags_print(u32 type_flags)
527 {
528 dprintk(verbose, DST_ERROR, 0, "DST type flags :");
529 if (type_flags & DST_TYPE_HAS_NEWTUNE)
530 dprintk(verbose, DST_ERROR, 0, " 0x%x newtuner", DST_TYPE_HAS_NEWTUNE);
531 if (type_flags & DST_TYPE_HAS_TS204)
532 dprintk(verbose, DST_ERROR, 0, " 0x%x ts204", DST_TYPE_HAS_TS204);
533 if (type_flags & DST_TYPE_HAS_SYMDIV)
534 dprintk(verbose, DST_ERROR, 0, " 0x%x symdiv", DST_TYPE_HAS_SYMDIV);
535 if (type_flags & DST_TYPE_HAS_FW_1)
536 dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 1", DST_TYPE_HAS_FW_1);
537 if (type_flags & DST_TYPE_HAS_FW_2)
538 dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 2", DST_TYPE_HAS_FW_2);
539 if (type_flags & DST_TYPE_HAS_FW_3)
540 dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 3", DST_TYPE_HAS_FW_3);
541 dprintk(verbose, DST_ERROR, 0, "\n");
542 }
543
544
545 static int dst_type_print(u8 type)
546 {
547 char *otype;
548 switch (type) {
549 case DST_TYPE_IS_SAT:
550 otype = "satellite";
551 break;
552
553 case DST_TYPE_IS_TERR:
554 otype = "terrestrial";
555 break;
556
557 case DST_TYPE_IS_CABLE:
558 otype = "cable";
559 break;
560
561 default:
562 dprintk(verbose, DST_INFO, 1, "invalid dst type %d", type);
563 return -EINVAL;
564 }
565 dprintk(verbose, DST_INFO, 1, "DST type: %s", otype);
566
567 return 0;
568 }
569
570 /*
571 Known cards list
572 Satellite
573 -------------------
574 200103A
575 VP-1020 DST-MOT LG(old), TS=188
576
577 VP-1020 DST-03T LG(new), TS=204
578 VP-1022 DST-03T LG(new), TS=204
579 VP-1025 DST-03T LG(new), TS=204
580
581 VP-1030 DSTMCI, LG(new), TS=188
582 VP-1032 DSTMCI, LG(new), TS=188
583
584 Cable
585 -------------------
586 VP-2030 DCT-CI, Samsung, TS=204
587 VP-2021 DCT-CI, Unknown, TS=204
588 VP-2031 DCT-CI, Philips, TS=188
589 VP-2040 DCT-CI, Philips, TS=188, with CA daughter board
590 VP-2040 DCT-CI, Philips, TS=204, without CA daughter board
591
592 Terrestrial
593 -------------------
594 VP-3050 DTTNXT TS=188
595 VP-3040 DTT-CI, Philips, TS=188
596 VP-3040 DTT-CI, Philips, TS=204
597
598 ATSC
599 -------------------
600 VP-3220 ATSCDI, TS=188
601 VP-3250 ATSCAD, TS=188
602
603 */
604
605 struct dst_types dst_tlist[] = {
606 {
607 .device_id = "200103A",
608 .offset = 0,
609 .dst_type = DST_TYPE_IS_SAT,
610 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1 | DST_TYPE_HAS_OBS_REGS,
611 .dst_feature = 0
612 }, /* obsolete */
613
614 {
615 .device_id = "DST-020",
616 .offset = 0,
617 .dst_type = DST_TYPE_IS_SAT,
618 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
619 .dst_feature = 0
620 }, /* obsolete */
621
622 {
623 .device_id = "DST-030",
624 .offset = 0,
625 .dst_type = DST_TYPE_IS_SAT,
626 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1,
627 .dst_feature = 0
628 }, /* obsolete */
629
630 {
631 .device_id = "DST-03T",
632 .offset = 0,
633 .dst_type = DST_TYPE_IS_SAT,
634 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_TS204 | DST_TYPE_HAS_FW_2,
635 .dst_feature = DST_TYPE_HAS_DISEQC3 | DST_TYPE_HAS_DISEQC4 | DST_TYPE_HAS_DISEQC5
636 | DST_TYPE_HAS_MAC | DST_TYPE_HAS_MOTO
637 },
638
639 {
640 .device_id = "DST-MOT",
641 .offset = 0,
642 .dst_type = DST_TYPE_IS_SAT,
643 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
644 .dst_feature = 0
645 }, /* obsolete */
646
647 {
648 .device_id = "DST-CI",
649 .offset = 1,
650 .dst_type = DST_TYPE_IS_SAT,
651 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1,
652 .dst_feature = DST_TYPE_HAS_CA
653 }, /* An OEM board */
654
655 {
656 .device_id = "DSTMCI",
657 .offset = 1,
658 .dst_type = DST_TYPE_IS_SAT,
659 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD | DST_TYPE_HAS_INC_COUNT,
660 .dst_feature = DST_TYPE_HAS_CA | DST_TYPE_HAS_DISEQC3 | DST_TYPE_HAS_DISEQC4
661 | DST_TYPE_HAS_MOTO | DST_TYPE_HAS_MAC
662 },
663
664 {
665 .device_id = "DSTFCI",
666 .offset = 1,
667 .dst_type = DST_TYPE_IS_SAT,
668 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1,
669 .dst_feature = 0
670 }, /* unknown to vendor */
671
672 {
673 .device_id = "DCT-CI",
674 .offset = 1,
675 .dst_type = DST_TYPE_IS_CABLE,
676 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1
677 | DST_TYPE_HAS_FW_2,
678 .dst_feature = DST_TYPE_HAS_CA
679 },
680
681 {
682 .device_id = "DCTNEW",
683 .offset = 1,
684 .dst_type = DST_TYPE_IS_CABLE,
685 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_3 | DST_TYPE_HAS_FW_BUILD,
686 .dst_feature = 0
687 },
688
689 {
690 .device_id = "DTT-CI",
691 .offset = 1,
692 .dst_type = DST_TYPE_IS_TERR,
693 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_MULTI_FE,
694 .dst_feature = DST_TYPE_HAS_CA
695 },
696
697 {
698 .device_id = "DTTDIG",
699 .offset = 1,
700 .dst_type = DST_TYPE_IS_TERR,
701 .type_flags = DST_TYPE_HAS_FW_2,
702 .dst_feature = 0
703 },
704
705 {
706 .device_id = "DTTNXT",
707 .offset = 1,
708 .dst_type = DST_TYPE_IS_TERR,
709 .type_flags = DST_TYPE_HAS_FW_2,
710 .dst_feature = DST_TYPE_HAS_ANALOG
711 },
712
713 {
714 .device_id = "ATSCDI",
715 .offset = 1,
716 .dst_type = DST_TYPE_IS_ATSC,
717 .type_flags = DST_TYPE_HAS_FW_2,
718 .dst_feature = 0
719 },
720
721 {
722 .device_id = "ATSCAD",
723 .offset = 1,
724 .dst_type = DST_TYPE_IS_ATSC,
725 .type_flags = DST_TYPE_HAS_FW_2,
726 .dst_feature = 0
727 },
728
729 { }
730
731 };
732
733 static int dst_get_mac(struct dst_state *state)
734 {
735 u8 get_mac[] = { 0x00, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
736 get_mac[7] = dst_check_sum(get_mac, 7);
737 if (dst_command(state, get_mac, 8) < 0) {
738 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
739 return -1;
740 }
741 memset(&state->mac_address, '\0', 8);
742 memcpy(&state->mac_address, &state->rxbuffer, 6);
743 dprintk(verbose, DST_ERROR, 1, "MAC Address=[%02x:%02x:%02x:%02x:%02x:%02x]",
744 state->mac_address[0], state->mac_address[1], state->mac_address[2],
745 state->mac_address[4], state->mac_address[5], state->mac_address[6]);
746
747 return 0;
748 }
749
750 static int dst_fw_ver(struct dst_state *state)
751 {
752 u8 get_ver[] = { 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
753 get_ver[7] = dst_check_sum(get_ver, 7);
754 if (dst_command(state, get_ver, 8) < 0) {
755 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
756 return -1;
757 }
758 memset(&state->fw_version, '\0', 8);
759 memcpy(&state->fw_version, &state->rxbuffer, 8);
760 dprintk(verbose, DST_ERROR, 1, "Firmware Ver = %x.%x Build = %02x, on %x:%x, %x-%x-20%02x",
761 state->fw_version[0] >> 4, state->fw_version[0] & 0x0f,
762 state->fw_version[1],
763 state->fw_version[5], state->fw_version[6],
764 state->fw_version[4], state->fw_version[3], state->fw_version[2]);
765
766 return 0;
767 }
768
769 static int dst_card_type(struct dst_state *state)
770 {
771 u8 get_type[] = { 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
772 get_type[7] = dst_check_sum(get_type, 7);
773 if (dst_command(state, get_type, 8) < 0) {
774 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
775 return -1;
776 }
777 memset(&state->card_info, '\0', 8);
778 memcpy(&state->card_info, &state->rxbuffer, 8);
779 dprintk(verbose, DST_ERROR, 1, "Device Model=[%s]", &state->card_info[0]);
780
781 return 0;
782 }
783
784 static int dst_get_vendor(struct dst_state *state)
785 {
786 u8 get_vendor[] = { 0x00, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
787 get_vendor[7] = dst_check_sum(get_vendor, 7);
788 if (dst_command(state, get_vendor, 8) < 0) {
789 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
790 return -1;
791 }
792 memset(&state->vendor, '\0', 8);
793 memcpy(&state->vendor, &state->rxbuffer, 8);
794 dprintk(verbose, DST_ERROR, 1, "Vendor=[%s]", &state->vendor[0]);
795
796 return 0;
797 }
798
799 static int dst_get_tuner_info(struct dst_state *state)
800 {
801 u8 get_tuner_1[] = { 0x00, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
802 u8 get_tuner_2[] = { 0x00, 0x0b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
803
804 get_tuner_1[7] = dst_check_sum(get_tuner_1, 7);
805 get_tuner_2[7] = dst_check_sum(get_tuner_2, 7);
806 if (state->type_flags & DST_TYPE_HAS_MULTI_FE) {
807 if (dst_command(state, get_tuner_2, 8) < 0) {
808 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
809 return -1;
810 }
811 } else {
812 if (dst_command(state, get_tuner_1, 8) < 0) {
813 dprintk(verbose, DST_INFO, 1, "Unsupported Command");
814 return -1;
815 }
816 }
817 memset(&state->board_info, '\0', 8);
818 memcpy(&state->board_info, &state->rxbuffer, 8);
819 if (state->type_flags & DST_TYPE_HAS_MULTI_FE) {
820 if (state->board_info[1] == 0x0b) {
821 if (state->type_flags & DST_TYPE_HAS_TS204)
822 state->type_flags &= ~DST_TYPE_HAS_TS204;
823 state->type_flags |= DST_TYPE_HAS_NEWTUNE;
824 dprintk(verbose, DST_INFO, 1, "DST type has TS=188");
825 } else {
826 if (state->type_flags & DST_TYPE_HAS_NEWTUNE)
827 state->type_flags &= ~DST_TYPE_HAS_NEWTUNE;
828 state->type_flags |= DST_TYPE_HAS_TS204;
829 dprintk(verbose, DST_INFO, 1, "DST type has TS=204");
830 }
831 } else {
832 if (state->board_info[0] == 0xbc) {
833 if (state->type_flags & DST_TYPE_HAS_TS204)
834 state->type_flags &= ~DST_TYPE_HAS_TS204;
835 state->type_flags |= DST_TYPE_HAS_NEWTUNE;
836 dprintk(verbose, DST_INFO, 1, "DST type has TS=188, Daughterboard=[%d]", state->board_info[1]);
837
838 } else if (state->board_info[0] == 0xcc) {
839 if (state->type_flags & DST_TYPE_HAS_NEWTUNE)
840 state->type_flags &= ~DST_TYPE_HAS_NEWTUNE;
841 state->type_flags |= DST_TYPE_HAS_TS204;
842 dprintk(verbose, DST_INFO, 1, "DST type has TS=204 Daughterboard=[%d]", state->board_info[1]);
843 }
844 }
845
846 return 0;
847 }
848
849 static int dst_get_device_id(struct dst_state *state)
850 {
851 u8 reply;
852
853 int i;
854 struct dst_types *p_dst_type;
855 u8 use_dst_type = 0;
856 u32 use_type_flags = 0;
857
858 static u8 device_type[8] = {0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff};
859
860 device_type[7] = dst_check_sum(device_type, 7);
861
862 if (write_dst(state, device_type, FIXED_COMM))
863 return -1; /* Write failed */
864 if ((dst_pio_disable(state)) < 0)
865 return -1;
866 if (read_dst(state, &reply, GET_ACK))
867 return -1; /* Read failure */
868 if (reply != ACK) {
869 dprintk(verbose, DST_INFO, 1, "Write not Acknowledged! [Reply=0x%02x]", reply);
870 return -1; /* Unack'd write */
871 }
872 if (!dst_wait_dst_ready(state, DEVICE_INIT))
873 return -1; /* DST not ready yet */
874 if (read_dst(state, state->rxbuffer, FIXED_COMM))
875 return -1;
876
877 dst_pio_disable(state);
878 if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
879 dprintk(verbose, DST_INFO, 1, "Checksum failure!");
880 return -1; /* Checksum failure */
881 }
882 state->rxbuffer[7] = '\0';
883
884 for (i = 0, p_dst_type = dst_tlist; i < ARRAY_SIZE(dst_tlist); i++, p_dst_type++) {
885 if (!strncmp (&state->rxbuffer[p_dst_type->offset], p_dst_type->device_id, strlen (p_dst_type->device_id))) {
886 use_type_flags = p_dst_type->type_flags;
887 use_dst_type = p_dst_type->dst_type;
888
889 /* Card capabilities */
890 state->dst_hw_cap = p_dst_type->dst_feature;
891 dprintk(verbose, DST_ERROR, 1, "Recognise [%s]\n", p_dst_type->device_id);
892
893 break;
894 }
895 }
896
897 if (i >= sizeof (dst_tlist) / sizeof (dst_tlist [0])) {
898 dprintk(verbose, DST_ERROR, 1, "Unable to recognize %s or %s", &state->rxbuffer[0], &state->rxbuffer[1]);
899 dprintk(verbose, DST_ERROR, 1, "please email linux-dvb@linuxtv.org with this type in");
900 use_dst_type = DST_TYPE_IS_SAT;
901 use_type_flags = DST_TYPE_HAS_SYMDIV;
902 }
903 dst_type_print(use_dst_type);
904 state->type_flags = use_type_flags;
905 state->dst_type = use_dst_type;
906 dst_type_flags_print(state->type_flags);
907
908 return 0;
909 }
910
911 static int dst_probe(struct dst_state *state)
912 {
913 sema_init(&state->dst_mutex, 1);
914 if ((rdc_8820_reset(state)) < 0) {
915 dprintk(verbose, DST_ERROR, 1, "RDC 8820 RESET Failed.");
916 return -1;
917 }
918 if (dst_addons & DST_TYPE_HAS_CA)
919 msleep(4000);
920 else
921 msleep(100);
922
923 if ((dst_comm_init(state)) < 0) {
924 dprintk(verbose, DST_ERROR, 1, "DST Initialization Failed.");
925 return -1;
926 }
927 msleep(100);
928 if (dst_get_device_id(state) < 0) {
929 dprintk(verbose, DST_ERROR, 1, "unknown device.");
930 return -1;
931 }
932 if (dst_get_mac(state) < 0) {
933 dprintk(verbose, DST_INFO, 1, "MAC: Unsupported command");
934 return 0;
935 }
936 if ((state->type_flags & DST_TYPE_HAS_MULTI_FE) || (state->type_flags & DST_TYPE_HAS_FW_BUILD)) {
937 if (dst_get_tuner_info(state) < 0)
938 dprintk(verbose, DST_INFO, 1, "Tuner: Unsupported command");
939 }
940 if (state->type_flags & DST_TYPE_HAS_TS204) {
941 dst_packsize(state, 204);
942 }
943 if (state->type_flags & DST_TYPE_HAS_FW_BUILD) {
944 if (dst_fw_ver(state) < 0) {
945 dprintk(verbose, DST_INFO, 1, "FW: Unsupported command");
946 return 0;
947 }
948 if (dst_card_type(state) < 0) {
949 dprintk(verbose, DST_INFO, 1, "Card: Unsupported command");
950 return 0;
951 }
952 if (dst_get_vendor(state) < 0) {
953 dprintk(verbose, DST_INFO, 1, "Vendor: Unsupported command");
954 return 0;
955 }
956 }
957
958 return 0;
959 }
960
961 int dst_command(struct dst_state *state, u8 *data, u8 len)
962 {
963 u8 reply;
964
965 down(&state->dst_mutex);
966 if ((dst_comm_init(state)) < 0) {
967 dprintk(verbose, DST_NOTICE, 1, "DST Communication Initialization Failed.");
968 goto error;
969 }
970 if (write_dst(state, data, len)) {
971 dprintk(verbose, DST_INFO, 1, "Tring to recover.. ");
972 if ((dst_error_recovery(state)) < 0) {
973 dprintk(verbose, DST_ERROR, 1, "Recovery Failed.");
974 goto error;
975 }
976 goto error;
977 }
978 if ((dst_pio_disable(state)) < 0) {
979 dprintk(verbose, DST_ERROR, 1, "PIO Disable Failed.");
980 goto error;
981 }
982 if (state->type_flags & DST_TYPE_HAS_FW_1)
983 udelay(3000);
984 if (read_dst(state, &reply, GET_ACK)) {
985 dprintk(verbose, DST_DEBUG, 1, "Trying to recover.. ");
986 if ((dst_error_recovery(state)) < 0) {
987 dprintk(verbose, DST_INFO, 1, "Recovery Failed.");
988 goto error;
989 }
990 goto error;
991 }
992 if (reply != ACK) {
993 dprintk(verbose, DST_INFO, 1, "write not acknowledged 0x%02x ", reply);
994 goto error;
995 }
996 if (len >= 2 && data[0] == 0 && (data[1] == 1 || data[1] == 3))
997 goto error;
998 if (state->type_flags & DST_TYPE_HAS_FW_1)
999 udelay(3000);
1000 else
1001 udelay(2000);
1002 if (!dst_wait_dst_ready(state, NO_DELAY))
1003 goto error;
1004 if (read_dst(state, state->rxbuffer, FIXED_COMM)) {
1005 dprintk(verbose, DST_DEBUG, 1, "Trying to recover.. ");
1006 if ((dst_error_recovery(state)) < 0) {
1007 dprintk(verbose, DST_INFO, 1, "Recovery failed.");
1008 goto error;
1009 }
1010 goto error;
1011 }
1012 if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
1013 dprintk(verbose, DST_INFO, 1, "checksum failure");
1014 goto error;
1015 }
1016 up(&state->dst_mutex);
1017 return 0;
1018
1019 error:
1020 up(&state->dst_mutex);
1021 return -EIO;
1022
1023 }
1024 EXPORT_SYMBOL(dst_command);
1025
1026 static int dst_get_signal(struct dst_state *state)
1027 {
1028 int retval;
1029 u8 get_signal[] = { 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfb };
1030 //dprintk("%s: Getting Signal strength and other parameters\n", __FUNCTION__);
1031 if ((state->diseq_flags & ATTEMPT_TUNE) == 0) {
1032 state->decode_lock = state->decode_strength = state->decode_snr = 0;
1033 return 0;
1034 }
1035 if (0 == (state->diseq_flags & HAS_LOCK)) {
1036 state->decode_lock = state->decode_strength = state->decode_snr = 0;
1037 return 0;
1038 }
1039 if (time_after_eq(jiffies, state->cur_jiff + (HZ / 5))) {
1040 retval = dst_command(state, get_signal, 8);
1041 if (retval < 0)
1042 return retval;
1043 if (state->dst_type == DST_TYPE_IS_SAT) {
1044 state->decode_lock = ((state->rxbuffer[6] & 0x10) == 0) ? 1 : 0;
1045 state->decode_strength = state->rxbuffer[5] << 8;
1046 state->decode_snr = state->rxbuffer[2] << 8 | state->rxbuffer[3];
1047 } else if ((state->dst_type == DST_TYPE_IS_TERR) || (state->dst_type == DST_TYPE_IS_CABLE)) {
1048 state->decode_lock = (state->rxbuffer[1]) ? 1 : 0;
1049 state->decode_strength = state->rxbuffer[4] << 8;
1050 state->decode_snr = state->rxbuffer[3] << 8;
1051 }
1052 state->cur_jiff = jiffies;
1053 }
1054 return 0;
1055 }
1056
1057 static int dst_tone_power_cmd(struct dst_state *state)
1058 {
1059 u8 paket[8] = { 0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00 };
1060
1061 if (state->dst_type == DST_TYPE_IS_TERR)
1062 return 0;
1063 paket[4] = state->tx_tuna[4];
1064 paket[2] = state->tx_tuna[2];
1065 paket[3] = state->tx_tuna[3];
1066 paket[7] = dst_check_sum (paket, 7);
1067 dst_command(state, paket, 8);
1068
1069 return 0;
1070 }
1071
1072 static int dst_get_tuna(struct dst_state *state)
1073 {
1074 int retval;
1075
1076 if ((state->diseq_flags & ATTEMPT_TUNE) == 0)
1077 return 0;
1078 state->diseq_flags &= ~(HAS_LOCK);
1079 if (!dst_wait_dst_ready(state, NO_DELAY))
1080 return -EIO;
1081 if (state->type_flags & DST_TYPE_HAS_NEWTUNE)
1082 /* how to get variable length reply ???? */
1083 retval = read_dst(state, state->rx_tuna, 10);
1084 else
1085 retval = read_dst(state, &state->rx_tuna[2], FIXED_COMM);
1086 if (retval < 0) {
1087 dprintk(verbose, DST_DEBUG, 1, "read not successful");
1088 return retval;
1089 }
1090 if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
1091 if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[0], 9)) {
1092 dprintk(verbose, DST_INFO, 1, "checksum failure ? ");
1093 return -EIO;
1094 }
1095 } else {
1096 if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[2], 7)) {
1097 dprintk(verbose, DST_INFO, 1, "checksum failure? ");
1098 return -EIO;
1099 }
1100 }
1101 if (state->rx_tuna[2] == 0 && state->rx_tuna[3] == 0)
1102 return 0;
1103 if (state->dst_type == DST_TYPE_IS_SAT) {
1104 state->decode_freq = ((state->rx_tuna[2] & 0x7f) << 8) + state->rx_tuna[3];
1105 } else {
1106 state->decode_freq = ((state->rx_tuna[2] & 0x7f) << 16) + (state->rx_tuna[3] << 8) + state->rx_tuna[4];
1107 }
1108 state->decode_freq = state->decode_freq * 1000;
1109 state->decode_lock = 1;
1110 state->diseq_flags |= HAS_LOCK;
1111
1112 return 1;
1113 }
1114
1115 static int dst_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage);
1116
1117 static int dst_write_tuna(struct dvb_frontend *fe)
1118 {
1119 struct dst_state *state = fe->demodulator_priv;
1120 int retval;
1121 u8 reply;
1122
1123 dprintk(verbose, DST_INFO, 1, "type_flags 0x%x ", state->type_flags);
1124 state->decode_freq = 0;
1125 state->decode_lock = state->decode_strength = state->decode_snr = 0;
1126 if (state->dst_type == DST_TYPE_IS_SAT) {
1127 if (!(state->diseq_flags & HAS_POWER))
1128 dst_set_voltage(fe, SEC_VOLTAGE_13);
1129 }
1130 state->diseq_flags &= ~(HAS_LOCK | ATTEMPT_TUNE);
1131 down(&state->dst_mutex);
1132 if ((dst_comm_init(state)) < 0) {
1133 dprintk(verbose, DST_DEBUG, 1, "DST Communication initialization failed.");
1134 goto error;
1135 }
1136 if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
1137 state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[0], 9);
1138 retval = write_dst(state, &state->tx_tuna[0], 10);
1139 } else {
1140 state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[2], 7);
1141 retval = write_dst(state, &state->tx_tuna[2], FIXED_COMM);
1142 }
1143 if (retval < 0) {
1144 dst_pio_disable(state);
1145 dprintk(verbose, DST_DEBUG, 1, "write not successful");
1146 goto werr;
1147 }
1148 if ((dst_pio_disable(state)) < 0) {
1149 dprintk(verbose, DST_DEBUG, 1, "DST PIO disable failed !");
1150 goto error;
1151 }
1152 if ((read_dst(state, &reply, GET_ACK) < 0)) {
1153 dprintk(verbose, DST_DEBUG, 1, "read verify not successful.");
1154 goto error;
1155 }
1156 if (reply != ACK) {
1157 dprintk(verbose, DST_DEBUG, 1, "write not acknowledged 0x%02x ", reply);
1158 goto error;
1159 }
1160 state->diseq_flags |= ATTEMPT_TUNE;
1161 retval = dst_get_tuna(state);
1162 werr:
1163 up(&state->dst_mutex);
1164 return retval;
1165
1166 error:
1167 up(&state->dst_mutex);
1168 return -EIO;
1169 }
1170
1171 /*
1172 * line22k0 0x00, 0x09, 0x00, 0xff, 0x01, 0x00, 0x00, 0x00
1173 * line22k1 0x00, 0x09, 0x01, 0xff, 0x01, 0x00, 0x00, 0x00
1174 * line22k2 0x00, 0x09, 0x02, 0xff, 0x01, 0x00, 0x00, 0x00
1175 * tone 0x00, 0x09, 0xff, 0x00, 0x01, 0x00, 0x00, 0x00
1176 * data 0x00, 0x09, 0xff, 0x01, 0x01, 0x00, 0x00, 0x00
1177 * power_off 0x00, 0x09, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00
1178 * power_on 0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00
1179 * Diseqc 1 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec
1180 * Diseqc 2 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf4, 0xe8
1181 * Diseqc 3 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf8, 0xe4
1182 * Diseqc 4 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xfc, 0xe0
1183 */
1184
1185 static int dst_set_diseqc(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd *cmd)
1186 {
1187 struct dst_state *state = fe->demodulator_priv;
1188 u8 paket[8] = { 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec };
1189
1190 if (state->dst_type != DST_TYPE_IS_SAT)
1191 return 0;
1192 if (cmd->msg_len == 0 || cmd->msg_len > 4)
1193 return -EINVAL;
1194 memcpy(&paket[3], cmd->msg, cmd->msg_len);
1195 paket[7] = dst_check_sum(&paket[0], 7);
1196 dst_command(state, paket, 8);
1197 return 0;
1198 }
1199
1200 static int dst_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
1201 {
1202 int need_cmd;
1203 struct dst_state *state = fe->demodulator_priv;
1204
1205 state->voltage = voltage;
1206 if (state->dst_type != DST_TYPE_IS_SAT)
1207 return 0;
1208
1209 need_cmd = 0;
1210
1211 switch (voltage) {
1212 case SEC_VOLTAGE_13:
1213 case SEC_VOLTAGE_18:
1214 if ((state->diseq_flags & HAS_POWER) == 0)
1215 need_cmd = 1;
1216 state->diseq_flags |= HAS_POWER;
1217 state->tx_tuna[4] = 0x01;
1218 break;
1219 case SEC_VOLTAGE_OFF:
1220 need_cmd = 1;
1221 state->diseq_flags &= ~(HAS_POWER | HAS_LOCK | ATTEMPT_TUNE);
1222 state->tx_tuna[4] = 0x00;
1223 break;
1224 default:
1225 return -EINVAL;
1226 }
1227
1228 if (need_cmd)
1229 dst_tone_power_cmd(state);
1230
1231 return 0;
1232 }
1233
1234 static int dst_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
1235 {
1236 struct dst_state *state = fe->demodulator_priv;
1237
1238 state->tone = tone;
1239 if (state->dst_type != DST_TYPE_IS_SAT)
1240 return 0;
1241
1242 switch (tone) {
1243 case SEC_TONE_OFF:
1244 if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1245 state->tx_tuna[2] = 0x00;
1246 else
1247 state->tx_tuna[2] = 0xff;
1248 break;
1249
1250 case SEC_TONE_ON:
1251 state->tx_tuna[2] = 0x02;
1252 break;
1253 default:
1254 return -EINVAL;
1255 }
1256 dst_tone_power_cmd(state);
1257
1258 return 0;
1259 }
1260
1261 static int dst_send_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t minicmd)
1262 {
1263 struct dst_state *state = fe->demodulator_priv;
1264
1265 if (state->dst_type != DST_TYPE_IS_SAT)
1266 return 0;
1267 state->minicmd = minicmd;
1268 switch (minicmd) {
1269 case SEC_MINI_A:
1270 state->tx_tuna[3] = 0x02;
1271 break;
1272 case SEC_MINI_B:
1273 state->tx_tuna[3] = 0xff;
1274 break;
1275 }
1276 dst_tone_power_cmd(state);
1277
1278 return 0;
1279 }
1280
1281
1282 static int dst_init(struct dvb_frontend *fe)
1283 {
1284 struct dst_state *state = fe->demodulator_priv;
1285
1286 static u8 sat_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x00, 0x73, 0x21, 0x00, 0x00 };
1287 static u8 sat_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x55, 0xbd, 0x50, 0x00, 0x00 };
1288 static u8 ter_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1289 static u8 ter_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1290 static u8 cab_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1291 static u8 cab_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1292
1293 state->inversion = INVERSION_OFF;
1294 state->voltage = SEC_VOLTAGE_13;
1295 state->tone = SEC_TONE_OFF;
1296 state->diseq_flags = 0;
1297 state->k22 = 0x02;
1298 state->bandwidth = BANDWIDTH_7_MHZ;
1299 state->cur_jiff = jiffies;
1300 if (state->dst_type == DST_TYPE_IS_SAT)
1301 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? sat_tuna_188 : sat_tuna_204), sizeof (sat_tuna_204));
1302 else if (state->dst_type == DST_TYPE_IS_TERR)
1303 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? ter_tuna_188 : ter_tuna_204), sizeof (ter_tuna_204));
1304 else if (state->dst_type == DST_TYPE_IS_CABLE)
1305 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_NEWTUNE) ? cab_tuna_188 : cab_tuna_204), sizeof (cab_tuna_204));
1306
1307 return 0;
1308 }
1309
1310 static int dst_read_status(struct dvb_frontend *fe, fe_status_t *status)
1311 {
1312 struct dst_state *state = fe->demodulator_priv;
1313
1314 *status = 0;
1315 if (state->diseq_flags & HAS_LOCK) {
1316 // dst_get_signal(state); // don't require(?) to ask MCU
1317 if (state->decode_lock)
1318 *status |= FE_HAS_LOCK | FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_SYNC | FE_HAS_VITERBI;
1319 }
1320
1321 return 0;
1322 }
1323
1324 static int dst_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
1325 {
1326 struct dst_state *state = fe->demodulator_priv;
1327
1328 dst_get_signal(state);
1329 *strength = state->decode_strength;
1330
1331 return 0;
1332 }
1333
1334 static int dst_read_snr(struct dvb_frontend *fe, u16 *snr)
1335 {
1336 struct dst_state *state = fe->demodulator_priv;
1337
1338 dst_get_signal(state);
1339 *snr = state->decode_snr;
1340
1341 return 0;
1342 }
1343
1344 static int dst_set_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
1345 {
1346 struct dst_state *state = fe->demodulator_priv;
1347
1348 dst_set_freq(state, p->frequency);
1349 dprintk(verbose, DST_DEBUG, 1, "Set Frequency=[%d]", p->frequency);
1350
1351 if (state->dst_type == DST_TYPE_IS_SAT) {
1352 if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1353 dst_set_inversion(state, p->inversion);
1354 dst_set_fec(state, p->u.qpsk.fec_inner);
1355 dst_set_symbolrate(state, p->u.qpsk.symbol_rate);
1356 dst_set_polarization(state);
1357 dprintk(verbose, DST_DEBUG, 1, "Set Symbolrate=[%d]", p->u.qpsk.symbol_rate);
1358
1359 } else if (state->dst_type == DST_TYPE_IS_TERR)
1360 dst_set_bandwidth(state, p->u.ofdm.bandwidth);
1361 else if (state->dst_type == DST_TYPE_IS_CABLE) {
1362 dst_set_fec(state, p->u.qam.fec_inner);
1363 dst_set_symbolrate(state, p->u.qam.symbol_rate);
1364 dst_set_modulation(state, p->u.qam.modulation);
1365 }
1366 dst_write_tuna(fe);
1367
1368 return 0;
1369 }
1370
1371 static int dst_get_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
1372 {
1373 struct dst_state *state = fe->demodulator_priv;
1374
1375 p->frequency = state->decode_freq;
1376 if (state->dst_type == DST_TYPE_IS_SAT) {
1377 if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1378 p->inversion = state->inversion;
1379 p->u.qpsk.symbol_rate = state->symbol_rate;
1380 p->u.qpsk.fec_inner = dst_get_fec(state);
1381 } else if (state->dst_type == DST_TYPE_IS_TERR) {
1382 p->u.ofdm.bandwidth = state->bandwidth;
1383 } else if (state->dst_type == DST_TYPE_IS_CABLE) {
1384 p->u.qam.symbol_rate = state->symbol_rate;
1385 p->u.qam.fec_inner = dst_get_fec(state);
1386 p->u.qam.modulation = dst_get_modulation(state);
1387 }
1388
1389 return 0;
1390 }
1391
1392 static void dst_release(struct dvb_frontend *fe)
1393 {
1394 struct dst_state *state = fe->demodulator_priv;
1395 kfree(state);
1396 }
1397
1398 static struct dvb_frontend_ops dst_dvbt_ops;
1399 static struct dvb_frontend_ops dst_dvbs_ops;
1400 static struct dvb_frontend_ops dst_dvbc_ops;
1401
1402 struct dst_state *dst_attach(struct dst_state *state, struct dvb_adapter *dvb_adapter)
1403 {
1404 /* check if the ASIC is there */
1405 if (dst_probe(state) < 0) {
1406 kfree(state);
1407 return NULL;
1408 }
1409 /* determine settings based on type */
1410 switch (state->dst_type) {
1411 case DST_TYPE_IS_TERR:
1412 memcpy(&state->ops, &dst_dvbt_ops, sizeof(struct dvb_frontend_ops));
1413 break;
1414 case DST_TYPE_IS_CABLE:
1415 memcpy(&state->ops, &dst_dvbc_ops, sizeof(struct dvb_frontend_ops));
1416 break;
1417 case DST_TYPE_IS_SAT:
1418 memcpy(&state->ops, &dst_dvbs_ops, sizeof(struct dvb_frontend_ops));
1419 break;
1420 default:
1421 dprintk(verbose, DST_ERROR, 1, "unknown DST type. please report to the LinuxTV.org DVB mailinglist.");
1422 kfree(state);
1423 return NULL;
1424 }
1425
1426 /* create dvb_frontend */
1427 state->frontend.ops = &state->ops;
1428 state->frontend.demodulator_priv = state;
1429
1430 return state; /* Manu (DST is a card not a frontend) */
1431 }
1432
1433 EXPORT_SYMBOL(dst_attach);
1434
1435 static struct dvb_frontend_ops dst_dvbt_ops = {
1436
1437 .info = {
1438 .name = "DST DVB-T",
1439 .type = FE_OFDM,
1440 .frequency_min = 137000000,
1441 .frequency_max = 858000000,
1442 .frequency_stepsize = 166667,
1443 .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO
1444 },
1445
1446 .release = dst_release,
1447 .init = dst_init,
1448 .set_frontend = dst_set_frontend,
1449 .get_frontend = dst_get_frontend,
1450 .read_status = dst_read_status,
1451 .read_signal_strength = dst_read_signal_strength,
1452 .read_snr = dst_read_snr,
1453 };
1454
1455 static struct dvb_frontend_ops dst_dvbs_ops = {
1456
1457 .info = {
1458 .name = "DST DVB-S",
1459 .type = FE_QPSK,
1460 .frequency_min = 950000,
1461 .frequency_max = 2150000,
1462 .frequency_stepsize = 1000, /* kHz for QPSK frontends */
1463 .frequency_tolerance = 29500,
1464 .symbol_rate_min = 1000000,
1465 .symbol_rate_max = 45000000,
1466 /* . symbol_rate_tolerance = ???,*/
1467 .caps = FE_CAN_FEC_AUTO | FE_CAN_QPSK
1468 },
1469
1470 .release = dst_release,
1471 .init = dst_init,
1472 .set_frontend = dst_set_frontend,
1473 .get_frontend = dst_get_frontend,
1474 .read_status = dst_read_status,
1475 .read_signal_strength = dst_read_signal_strength,
1476 .read_snr = dst_read_snr,
1477 .diseqc_send_burst = dst_send_burst,
1478 .diseqc_send_master_cmd = dst_set_diseqc,
1479 .set_voltage = dst_set_voltage,
1480 .set_tone = dst_set_tone,
1481 };
1482
1483 static struct dvb_frontend_ops dst_dvbc_ops = {
1484
1485 .info = {
1486 .name = "DST DVB-C",
1487 .type = FE_QAM,
1488 .frequency_stepsize = 62500,
1489 .frequency_min = 51000000,
1490 .frequency_max = 858000000,
1491 .symbol_rate_min = 1000000,
1492 .symbol_rate_max = 45000000,
1493 /* . symbol_rate_tolerance = ???,*/
1494 .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO
1495 },
1496
1497 .release = dst_release,
1498 .init = dst_init,
1499 .set_frontend = dst_set_frontend,
1500 .get_frontend = dst_get_frontend,
1501 .read_status = dst_read_status,
1502 .read_signal_strength = dst_read_signal_strength,
1503 .read_snr = dst_read_snr,
1504 };
1505
1506 MODULE_DESCRIPTION("DST DVB-S/T/C Combo Frontend driver");
1507 MODULE_AUTHOR("Jamie Honan, Manu Abraham");
1508 MODULE_LICENSE("GPL");
Ubuntu Jammy Linux kernel mirror