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1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 Frontend/Card driver for TwinHan DST Frontend
4 Copyright (C) 2003 Jamie Honan
5 Copyright (C) 2004, 2005 Manu Abraham (manu@kromtek.com)
6
7*/
8
9#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
10
11#include <linux/kernel.h>
12#include <linux/module.h>
13#include <linux/init.h>
14#include <linux/string.h>
15#include <linux/slab.h>
16#include <linux/vmalloc.h>
17#include <linux/delay.h>
18#include <asm/div64.h>
19#include <media/dvb_frontend.h>
20#include "dst_priv.h"
21#include "dst_common.h"
22
23static unsigned int verbose;
24module_param(verbose, int, 0644);
25MODULE_PARM_DESC(verbose, "verbosity level (0 to 3)");
26
27static unsigned int dst_addons;
28module_param(dst_addons, int, 0644);
29MODULE_PARM_DESC(dst_addons, "CA daughterboard, default is 0 (No addons)");
30
31static unsigned int dst_algo;
32module_param(dst_algo, int, 0644);
33MODULE_PARM_DESC(dst_algo, "tuning algo: default is 0=(SW), 1=(HW)");
34
35#define HAS_LOCK 1
36#define ATTEMPT_TUNE 2
37#define HAS_POWER 4
38
39#define dprintk(level, fmt, arg...) do { \
40 if (level >= verbose) \
41 printk(KERN_DEBUG pr_fmt("%s: " fmt), \
42 __func__, ##arg); \
43} while(0)
44
45static int dst_command(struct dst_state *state, u8 *data, u8 len);
46
47static void dst_packsize(struct dst_state *state, int psize)
48{
49 union dst_gpio_packet bits;
50
51 bits.psize = psize;
52 bt878_device_control(state->bt, DST_IG_TS, &bits);
53}
54
55static int dst_gpio_outb(struct dst_state *state, u32 mask, u32 enbb,
56 u32 outhigh, int delay)
57{
58 union dst_gpio_packet enb;
59 union dst_gpio_packet bits;
60 int err;
61
62 enb.enb.mask = mask;
63 enb.enb.enable = enbb;
64
65 dprintk(2, "mask=[%04x], enbb=[%04x], outhigh=[%04x]\n",
66 mask, enbb, outhigh);
67 if ((err = bt878_device_control(state->bt, DST_IG_ENABLE, &enb)) < 0) {
68 dprintk(2, "dst_gpio_enb error (err == %i, mask == %02x, enb == %02x)\n",
69 err, mask, enbb);
70 return -EREMOTEIO;
71 }
72 udelay(1000);
73 /* because complete disabling means no output, no need to do output packet */
74 if (enbb == 0)
75 return 0;
76 if (delay)
77 msleep(10);
78 bits.outp.mask = enbb;
79 bits.outp.highvals = outhigh;
80 if ((err = bt878_device_control(state->bt, DST_IG_WRITE, &bits)) < 0) {
81 dprintk(2, "dst_gpio_outb error (err == %i, enbb == %02x, outhigh == %02x)\n",
82 err, enbb, outhigh);
83 return -EREMOTEIO;
84 }
85
86 return 0;
87}
88
89static int dst_gpio_inb(struct dst_state *state, u8 *result)
90{
91 union dst_gpio_packet rd_packet;
92 int err;
93
94 *result = 0;
95 if ((err = bt878_device_control(state->bt, DST_IG_READ, &rd_packet)) < 0) {
96 pr_err("dst_gpio_inb error (err == %i)\n", err);
97 return -EREMOTEIO;
98 }
99 *result = (u8) rd_packet.rd.value;
100
101 return 0;
102}
103
104int rdc_reset_state(struct dst_state *state)
105{
106 dprintk(2, "Resetting state machine\n");
107 if (dst_gpio_outb(state, RDC_8820_INT, RDC_8820_INT, 0, NO_DELAY) < 0) {
108 pr_err("dst_gpio_outb ERROR !\n");
109 return -1;
110 }
111 msleep(10);
112 if (dst_gpio_outb(state, RDC_8820_INT, RDC_8820_INT, RDC_8820_INT, NO_DELAY) < 0) {
113 pr_err("dst_gpio_outb ERROR !\n");
114 msleep(10);
115 return -1;
116 }
117
118 return 0;
119}
120EXPORT_SYMBOL(rdc_reset_state);
121
122static int rdc_8820_reset(struct dst_state *state)
123{
124 dprintk(3, "Resetting DST\n");
125 if (dst_gpio_outb(state, RDC_8820_RESET, RDC_8820_RESET, 0, NO_DELAY) < 0) {
126 pr_err("dst_gpio_outb ERROR !\n");
127 return -1;
128 }
129 udelay(1000);
130 if (dst_gpio_outb(state, RDC_8820_RESET, RDC_8820_RESET, RDC_8820_RESET, DELAY) < 0) {
131 pr_err("dst_gpio_outb ERROR !\n");
132 return -1;
133 }
134
135 return 0;
136}
137
138static int dst_pio_enable(struct dst_state *state)
139{
140 if (dst_gpio_outb(state, ~0, RDC_8820_PIO_0_ENABLE, 0, NO_DELAY) < 0) {
141 pr_err("dst_gpio_outb ERROR !\n");
142 return -1;
143 }
144 udelay(1000);
145
146 return 0;
147}
148
149int dst_pio_disable(struct dst_state *state)
150{
151 if (dst_gpio_outb(state, ~0, RDC_8820_PIO_0_DISABLE, RDC_8820_PIO_0_DISABLE, NO_DELAY) < 0) {
152 pr_err("dst_gpio_outb ERROR !\n");
153 return -1;
154 }
155 if (state->type_flags & DST_TYPE_HAS_FW_1)
156 udelay(1000);
157
158 return 0;
159}
160EXPORT_SYMBOL(dst_pio_disable);
161
162int dst_wait_dst_ready(struct dst_state *state, u8 delay_mode)
163{
164 u8 reply;
165 int i;
166
167 for (i = 0; i < 200; i++) {
168 if (dst_gpio_inb(state, &reply) < 0) {
169 pr_err("dst_gpio_inb ERROR !\n");
170 return -1;
171 }
172 if ((reply & RDC_8820_PIO_0_ENABLE) == 0) {
173 dprintk(2, "dst wait ready after %d\n", i);
174 return 1;
175 }
176 msleep(10);
177 }
178 dprintk(1, "dst wait NOT ready after %d\n", i);
179
180 return 0;
181}
182EXPORT_SYMBOL(dst_wait_dst_ready);
183
184int dst_error_recovery(struct dst_state *state)
185{
186 dprintk(1, "Trying to return from previous errors.\n");
187 dst_pio_disable(state);
188 msleep(10);
189 dst_pio_enable(state);
190 msleep(10);
191
192 return 0;
193}
194EXPORT_SYMBOL(dst_error_recovery);
195
196int dst_error_bailout(struct dst_state *state)
197{
198 dprintk(2, "Trying to bailout from previous error.\n");
199 rdc_8820_reset(state);
200 dst_pio_disable(state);
201 msleep(10);
202
203 return 0;
204}
205EXPORT_SYMBOL(dst_error_bailout);
206
207int dst_comm_init(struct dst_state *state)
208{
209 dprintk(2, "Initializing DST.\n");
210 if ((dst_pio_enable(state)) < 0) {
211 pr_err("PIO Enable Failed\n");
212 return -1;
213 }
214 if ((rdc_reset_state(state)) < 0) {
215 pr_err("RDC 8820 State RESET Failed.\n");
216 return -1;
217 }
218 if (state->type_flags & DST_TYPE_HAS_FW_1)
219 msleep(100);
220 else
221 msleep(5);
222
223 return 0;
224}
225EXPORT_SYMBOL(dst_comm_init);
226
227int write_dst(struct dst_state *state, u8 *data, u8 len)
228{
229 struct i2c_msg msg = {
230 .addr = state->config->demod_address,
231 .flags = 0,
232 .buf = data,
233 .len = len
234 };
235
236 int err;
237 u8 cnt;
238
239 dprintk(1, "writing [ %*ph ]\n", len, data);
240
241 for (cnt = 0; cnt < 2; cnt++) {
242 if ((err = i2c_transfer(state->i2c, &msg, 1)) < 0) {
243 dprintk(2, "_write_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)\n",
244 err, len, data[0]);
245 dst_error_recovery(state);
246 continue;
247 } else
248 break;
249 }
250 if (cnt >= 2) {
251 dprintk(2, "RDC 8820 RESET\n");
252 dst_error_bailout(state);
253
254 return -1;
255 }
256
257 return 0;
258}
259EXPORT_SYMBOL(write_dst);
260
261int read_dst(struct dst_state *state, u8 *ret, u8 len)
262{
263 struct i2c_msg msg = {
264 .addr = state->config->demod_address,
265 .flags = I2C_M_RD,
266 .buf = ret,
267 .len = len
268 };
269
270 int err;
271 int cnt;
272
273 for (cnt = 0; cnt < 2; cnt++) {
274 if ((err = i2c_transfer(state->i2c, &msg, 1)) < 0) {
275 dprintk(2, "read_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)\n",
276 err, len, ret[0]);
277 dst_error_recovery(state);
278 continue;
279 } else
280 break;
281 }
282 if (cnt >= 2) {
283 dprintk(2, "RDC 8820 RESET\n");
284 dst_error_bailout(state);
285
286 return -1;
287 }
288 dprintk(3, "reply is %*ph\n", len, ret);
289
290 return 0;
291}
292EXPORT_SYMBOL(read_dst);
293
294static int dst_set_polarization(struct dst_state *state)
295{
296 switch (state->voltage) {
297 case SEC_VOLTAGE_13: /* Vertical */
298 dprintk(2, "Polarization=[Vertical]\n");
299 state->tx_tuna[8] &= ~0x40;
300 break;
301 case SEC_VOLTAGE_18: /* Horizontal */
302 dprintk(2, "Polarization=[Horizontal]\n");
303 state->tx_tuna[8] |= 0x40;
304 break;
305 case SEC_VOLTAGE_OFF:
306 break;
307 }
308
309 return 0;
310}
311
312static int dst_set_freq(struct dst_state *state, u32 freq)
313{
314 state->frequency = freq;
315 dprintk(2, "set Frequency %u\n", freq);
316
317 if (state->dst_type == DST_TYPE_IS_SAT) {
318 freq = freq / 1000;
319 if (freq < 950 || freq > 2150)
320 return -EINVAL;
321 state->tx_tuna[2] = (freq >> 8);
322 state->tx_tuna[3] = (u8) freq;
323 state->tx_tuna[4] = 0x01;
324 state->tx_tuna[8] &= ~0x04;
325 if (state->type_flags & DST_TYPE_HAS_OBS_REGS) {
326 if (freq < 1531)
327 state->tx_tuna[8] |= 0x04;
328 }
329 } else if (state->dst_type == DST_TYPE_IS_TERR) {
330 freq = freq / 1000;
331 if (freq < 137000 || freq > 858000)
332 return -EINVAL;
333 state->tx_tuna[2] = (freq >> 16) & 0xff;
334 state->tx_tuna[3] = (freq >> 8) & 0xff;
335 state->tx_tuna[4] = (u8) freq;
336 } else if (state->dst_type == DST_TYPE_IS_CABLE) {
337 freq = freq / 1000;
338 state->tx_tuna[2] = (freq >> 16) & 0xff;
339 state->tx_tuna[3] = (freq >> 8) & 0xff;
340 state->tx_tuna[4] = (u8) freq;
341 } else if (state->dst_type == DST_TYPE_IS_ATSC) {
342 freq = freq / 1000;
343 if (freq < 51000 || freq > 858000)
344 return -EINVAL;
345 state->tx_tuna[2] = (freq >> 16) & 0xff;
346 state->tx_tuna[3] = (freq >> 8) & 0xff;
347 state->tx_tuna[4] = (u8) freq;
348 state->tx_tuna[5] = 0x00; /* ATSC */
349 state->tx_tuna[6] = 0x00;
350 if (state->dst_hw_cap & DST_TYPE_HAS_ANALOG)
351 state->tx_tuna[7] = 0x00; /* Digital */
352 } else
353 return -EINVAL;
354
355 return 0;
356}
357
358static int dst_set_bandwidth(struct dst_state *state, u32 bandwidth)
359{
360 state->bandwidth = bandwidth;
361
362 if (state->dst_type != DST_TYPE_IS_TERR)
363 return -EOPNOTSUPP;
364
365 switch (bandwidth) {
366 case 6000000:
367 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
368 state->tx_tuna[7] = 0x06;
369 else {
370 state->tx_tuna[6] = 0x06;
371 state->tx_tuna[7] = 0x00;
372 }
373 break;
374 case 7000000:
375 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
376 state->tx_tuna[7] = 0x07;
377 else {
378 state->tx_tuna[6] = 0x07;
379 state->tx_tuna[7] = 0x00;
380 }
381 break;
382 case 8000000:
383 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
384 state->tx_tuna[7] = 0x08;
385 else {
386 state->tx_tuna[6] = 0x08;
387 state->tx_tuna[7] = 0x00;
388 }
389 break;
390 default:
391 return -EINVAL;
392 }
393
394 return 0;
395}
396
397static int dst_set_inversion(struct dst_state *state,
398 enum fe_spectral_inversion inversion)
399{
400 state->inversion = inversion;
401 switch (inversion) {
402 case INVERSION_OFF: /* Inversion = Normal */
403 state->tx_tuna[8] &= ~0x80;
404 break;
405 case INVERSION_ON:
406 state->tx_tuna[8] |= 0x80;
407 break;
408 default:
409 return -EINVAL;
410 }
411
412 return 0;
413}
414
415static int dst_set_fec(struct dst_state *state, enum fe_code_rate fec)
416{
417 state->fec = fec;
418 return 0;
419}
420
421static enum fe_code_rate dst_get_fec(struct dst_state *state)
422{
423 return state->fec;
424}
425
426static int dst_set_symbolrate(struct dst_state *state, u32 srate)
427{
428 u32 symcalc;
429 u64 sval;
430
431 state->symbol_rate = srate;
432 if (state->dst_type == DST_TYPE_IS_TERR) {
433 return -EOPNOTSUPP;
434 }
435 dprintk(2, "set symrate %u\n", srate);
436 srate /= 1000;
437 if (state->dst_type == DST_TYPE_IS_SAT) {
438 if (state->type_flags & DST_TYPE_HAS_SYMDIV) {
439 sval = srate;
440 sval <<= 20;
441 do_div(sval, 88000);
442 symcalc = (u32) sval;
443 dprintk(2, "set symcalc %u\n", symcalc);
444 state->tx_tuna[5] = (u8) (symcalc >> 12);
445 state->tx_tuna[6] = (u8) (symcalc >> 4);
446 state->tx_tuna[7] = (u8) (symcalc << 4);
447 } else {
448 state->tx_tuna[5] = (u8) (srate >> 16) & 0x7f;
449 state->tx_tuna[6] = (u8) (srate >> 8);
450 state->tx_tuna[7] = (u8) srate;
451 }
452 state->tx_tuna[8] &= ~0x20;
453 if (state->type_flags & DST_TYPE_HAS_OBS_REGS) {
454 if (srate > 8000)
455 state->tx_tuna[8] |= 0x20;
456 }
457 } else if (state->dst_type == DST_TYPE_IS_CABLE) {
458 dprintk(3, "%s\n", state->fw_name);
459 if (!strncmp(state->fw_name, "DCTNEW", 6)) {
460 state->tx_tuna[5] = (u8) (srate >> 8);
461 state->tx_tuna[6] = (u8) srate;
462 state->tx_tuna[7] = 0x00;
463 } else if (!strncmp(state->fw_name, "DCT-CI", 6)) {
464 state->tx_tuna[5] = 0x00;
465 state->tx_tuna[6] = (u8) (srate >> 8);
466 state->tx_tuna[7] = (u8) srate;
467 }
468 }
469 return 0;
470}
471
472static int dst_set_modulation(struct dst_state *state,
473 enum fe_modulation modulation)
474{
475 if (state->dst_type != DST_TYPE_IS_CABLE)
476 return -EOPNOTSUPP;
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 if (!strncmp(state->fw_name, "DCTNEW", 6))
494 state->tx_tuna[8] = 0xff;
495 else if (!strncmp(state->fw_name, "DCT-CI", 6))
496 state->tx_tuna[8] = 0x00;
497 break;
498 case QPSK:
499 case QAM_AUTO:
500 case VSB_8:
501 case VSB_16:
502 default:
503 return -EINVAL;
504
505 }
506
507 return 0;
508}
509
510static enum fe_modulation dst_get_modulation(struct dst_state *state)
511{
512 return state->modulation;
513}
514
515
516u8 dst_check_sum(u8 *buf, u32 len)
517{
518 u32 i;
519 u8 val = 0;
520 if (!len)
521 return 0;
522 for (i = 0; i < len; i++) {
523 val += buf[i];
524 }
525 return ((~val) + 1);
526}
527EXPORT_SYMBOL(dst_check_sum);
528
529static void dst_type_flags_print(struct dst_state *state)
530{
531 u32 type_flags = state->type_flags;
532
533 pr_err("DST type flags :\n");
534 if (type_flags & DST_TYPE_HAS_TS188)
535 pr_err(" 0x%x newtuner\n", DST_TYPE_HAS_TS188);
536 if (type_flags & DST_TYPE_HAS_NEWTUNE_2)
537 pr_err(" 0x%x newtuner 2\n", DST_TYPE_HAS_NEWTUNE_2);
538 if (type_flags & DST_TYPE_HAS_TS204)
539 pr_err(" 0x%x ts204\n", DST_TYPE_HAS_TS204);
540 if (type_flags & DST_TYPE_HAS_VLF)
541 pr_err(" 0x%x VLF\n", DST_TYPE_HAS_VLF);
542 if (type_flags & DST_TYPE_HAS_SYMDIV)
543 pr_err(" 0x%x symdiv\n", DST_TYPE_HAS_SYMDIV);
544 if (type_flags & DST_TYPE_HAS_FW_1)
545 pr_err(" 0x%x firmware version = 1\n", DST_TYPE_HAS_FW_1);
546 if (type_flags & DST_TYPE_HAS_FW_2)
547 pr_err(" 0x%x firmware version = 2\n", DST_TYPE_HAS_FW_2);
548 if (type_flags & DST_TYPE_HAS_FW_3)
549 pr_err(" 0x%x firmware version = 3\n", DST_TYPE_HAS_FW_3);
550 pr_err("\n");
551}
552
553
554static int dst_type_print(struct dst_state *state, u8 type)
555{
556 char *otype;
557 switch (type) {
558 case DST_TYPE_IS_SAT:
559 otype = "satellite";
560 break;
561
562 case DST_TYPE_IS_TERR:
563 otype = "terrestrial";
564 break;
565
566 case DST_TYPE_IS_CABLE:
567 otype = "cable";
568 break;
569
570 case DST_TYPE_IS_ATSC:
571 otype = "atsc";
572 break;
573
574 default:
575 dprintk(2, "invalid dst type %d\n", type);
576 return -EINVAL;
577 }
578 dprintk(2, "DST type: %s\n", otype);
579
580 return 0;
581}
582
583static struct tuner_types tuner_list[] = {
584 {
585 .tuner_type = TUNER_TYPE_L64724,
586 .tuner_name = "L 64724",
587 .board_name = "UNKNOWN",
588 .fw_name = "UNKNOWN"
589 },
590
591 {
592 .tuner_type = TUNER_TYPE_STV0299,
593 .tuner_name = "STV 0299",
594 .board_name = "VP1020",
595 .fw_name = "DST-MOT"
596 },
597
598 {
599 .tuner_type = TUNER_TYPE_STV0299,
600 .tuner_name = "STV 0299",
601 .board_name = "VP1020",
602 .fw_name = "DST-03T"
603 },
604
605 {
606 .tuner_type = TUNER_TYPE_MB86A15,
607 .tuner_name = "MB 86A15",
608 .board_name = "VP1022",
609 .fw_name = "DST-03T"
610 },
611
612 {
613 .tuner_type = TUNER_TYPE_MB86A15,
614 .tuner_name = "MB 86A15",
615 .board_name = "VP1025",
616 .fw_name = "DST-03T"
617 },
618
619 {
620 .tuner_type = TUNER_TYPE_STV0299,
621 .tuner_name = "STV 0299",
622 .board_name = "VP1030",
623 .fw_name = "DST-CI"
624 },
625
626 {
627 .tuner_type = TUNER_TYPE_STV0299,
628 .tuner_name = "STV 0299",
629 .board_name = "VP1030",
630 .fw_name = "DSTMCI"
631 },
632
633 {
634 .tuner_type = TUNER_TYPE_UNKNOWN,
635 .tuner_name = "UNKNOWN",
636 .board_name = "VP2021",
637 .fw_name = "DCTNEW"
638 },
639
640 {
641 .tuner_type = TUNER_TYPE_UNKNOWN,
642 .tuner_name = "UNKNOWN",
643 .board_name = "VP2030",
644 .fw_name = "DCT-CI"
645 },
646
647 {
648 .tuner_type = TUNER_TYPE_UNKNOWN,
649 .tuner_name = "UNKNOWN",
650 .board_name = "VP2031",
651 .fw_name = "DCT-CI"
652 },
653
654 {
655 .tuner_type = TUNER_TYPE_UNKNOWN,
656 .tuner_name = "UNKNOWN",
657 .board_name = "VP2040",
658 .fw_name = "DCT-CI"
659 },
660
661 {
662 .tuner_type = TUNER_TYPE_UNKNOWN,
663 .tuner_name = "UNKNOWN",
664 .board_name = "VP3020",
665 .fw_name = "DTTFTA"
666 },
667
668 {
669 .tuner_type = TUNER_TYPE_UNKNOWN,
670 .tuner_name = "UNKNOWN",
671 .board_name = "VP3021",
672 .fw_name = "DTTFTA"
673 },
674
675 {
676 .tuner_type = TUNER_TYPE_TDA10046,
677 .tuner_name = "TDA10046",
678 .board_name = "VP3040",
679 .fw_name = "DTT-CI"
680 },
681
682 {
683 .tuner_type = TUNER_TYPE_UNKNOWN,
684 .tuner_name = "UNKNOWN",
685 .board_name = "VP3051",
686 .fw_name = "DTTNXT"
687 },
688
689 {
690 .tuner_type = TUNER_TYPE_NXT200x,
691 .tuner_name = "NXT200x",
692 .board_name = "VP3220",
693 .fw_name = "ATSCDI"
694 },
695
696 {
697 .tuner_type = TUNER_TYPE_NXT200x,
698 .tuner_name = "NXT200x",
699 .board_name = "VP3250",
700 .fw_name = "ATSCAD"
701 },
702};
703
704/*
705 Known cards list
706 Satellite
707 -------------------
708 200103A
709 VP-1020 DST-MOT LG(old), TS=188
710
711 VP-1020 DST-03T LG(new), TS=204
712 VP-1022 DST-03T LG(new), TS=204
713 VP-1025 DST-03T LG(new), TS=204
714
715 VP-1030 DSTMCI, LG(new), TS=188
716 VP-1032 DSTMCI, LG(new), TS=188
717
718 Cable
719 -------------------
720 VP-2030 DCT-CI, Samsung, TS=204
721 VP-2021 DCT-CI, Unknown, TS=204
722 VP-2031 DCT-CI, Philips, TS=188
723 VP-2040 DCT-CI, Philips, TS=188, with CA daughter board
724 VP-2040 DCT-CI, Philips, TS=204, without CA daughter board
725
726 Terrestrial
727 -------------------
728 VP-3050 DTTNXT TS=188
729 VP-3040 DTT-CI, Philips, TS=188
730 VP-3040 DTT-CI, Philips, TS=204
731
732 ATSC
733 -------------------
734 VP-3220 ATSCDI, TS=188
735 VP-3250 ATSCAD, TS=188
736
737*/
738
739static struct dst_types dst_tlist[] = {
740 {
741 .device_id = "200103A",
742 .offset = 0,
743 .dst_type = DST_TYPE_IS_SAT,
744 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1 | DST_TYPE_HAS_OBS_REGS,
745 .dst_feature = 0,
746 .tuner_type = 0
747 }, /* obsolete */
748
749 {
750 .device_id = "DST-020",
751 .offset = 0,
752 .dst_type = DST_TYPE_IS_SAT,
753 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
754 .dst_feature = 0,
755 .tuner_type = 0
756 }, /* obsolete */
757
758 {
759 .device_id = "DST-030",
760 .offset = 0,
761 .dst_type = DST_TYPE_IS_SAT,
762 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_TS188 | DST_TYPE_HAS_FW_1,
763 .dst_feature = 0,
764 .tuner_type = 0
765 }, /* obsolete */
766
767 {
768 .device_id = "DST-03T",
769 .offset = 0,
770 .dst_type = DST_TYPE_IS_SAT,
771 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_TS204 | DST_TYPE_HAS_FW_2,
772 .dst_feature = DST_TYPE_HAS_DISEQC3 | DST_TYPE_HAS_DISEQC4 | DST_TYPE_HAS_DISEQC5
773 | DST_TYPE_HAS_MAC | DST_TYPE_HAS_MOTO,
774 .tuner_type = TUNER_TYPE_MULTI
775 },
776
777 {
778 .device_id = "DST-MOT",
779 .offset = 0,
780 .dst_type = DST_TYPE_IS_SAT,
781 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1,
782 .dst_feature = 0,
783 .tuner_type = 0
784 }, /* obsolete */
785
786 {
787 .device_id = "DST-CI",
788 .offset = 1,
789 .dst_type = DST_TYPE_IS_SAT,
790 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_FW_1,
791 .dst_feature = DST_TYPE_HAS_CA,
792 .tuner_type = 0
793 }, /* An OEM board */
794
795 {
796 .device_id = "DSTMCI",
797 .offset = 1,
798 .dst_type = DST_TYPE_IS_SAT,
799 .type_flags = DST_TYPE_HAS_TS188 | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD | DST_TYPE_HAS_INC_COUNT | DST_TYPE_HAS_VLF,
800 .dst_feature = DST_TYPE_HAS_CA | DST_TYPE_HAS_DISEQC3 | DST_TYPE_HAS_DISEQC4
801 | DST_TYPE_HAS_MOTO | DST_TYPE_HAS_MAC,
802 .tuner_type = TUNER_TYPE_MULTI
803 },
804
805 {
806 .device_id = "DSTFCI",
807 .offset = 1,
808 .dst_type = DST_TYPE_IS_SAT,
809 .type_flags = DST_TYPE_HAS_TS188 | DST_TYPE_HAS_FW_1,
810 .dst_feature = 0,
811 .tuner_type = 0
812 }, /* unknown to vendor */
813
814 {
815 .device_id = "DCT-CI",
816 .offset = 1,
817 .dst_type = DST_TYPE_IS_CABLE,
818 .type_flags = DST_TYPE_HAS_MULTI_FE | DST_TYPE_HAS_FW_1 | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_VLF,
819 .dst_feature = DST_TYPE_HAS_CA,
820 .tuner_type = 0
821 },
822
823 {
824 .device_id = "DCTNEW",
825 .offset = 1,
826 .dst_type = DST_TYPE_IS_CABLE,
827 .type_flags = DST_TYPE_HAS_TS188 | DST_TYPE_HAS_FW_3 | DST_TYPE_HAS_FW_BUILD | DST_TYPE_HAS_MULTI_FE,
828 .dst_feature = 0,
829 .tuner_type = 0
830 },
831
832 {
833 .device_id = "DTT-CI",
834 .offset = 1,
835 .dst_type = DST_TYPE_IS_TERR,
836 .type_flags = DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_MULTI_FE | DST_TYPE_HAS_VLF,
837 .dst_feature = DST_TYPE_HAS_CA,
838 .tuner_type = 0
839 },
840
841 {
842 .device_id = "DTTDIG",
843 .offset = 1,
844 .dst_type = DST_TYPE_IS_TERR,
845 .type_flags = DST_TYPE_HAS_FW_2,
846 .dst_feature = 0,
847 .tuner_type = 0
848 },
849
850 {
851 .device_id = "DTTNXT",
852 .offset = 1,
853 .dst_type = DST_TYPE_IS_TERR,
854 .type_flags = DST_TYPE_HAS_FW_2,
855 .dst_feature = DST_TYPE_HAS_ANALOG,
856 .tuner_type = 0
857 },
858
859 {
860 .device_id = "ATSCDI",
861 .offset = 1,
862 .dst_type = DST_TYPE_IS_ATSC,
863 .type_flags = DST_TYPE_HAS_FW_2,
864 .dst_feature = 0,
865 .tuner_type = 0
866 },
867
868 {
869 .device_id = "ATSCAD",
870 .offset = 1,
871 .dst_type = DST_TYPE_IS_ATSC,
872 .type_flags = DST_TYPE_HAS_MULTI_FE | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD,
873 .dst_feature = DST_TYPE_HAS_MAC | DST_TYPE_HAS_ANALOG,
874 .tuner_type = 0
875 },
876
877 { }
878
879};
880
881static int dst_get_mac(struct dst_state *state)
882{
883 u8 get_mac[] = { 0x00, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
884 get_mac[7] = dst_check_sum(get_mac, 7);
885 if (dst_command(state, get_mac, 8) < 0) {
886 dprintk(2, "Unsupported Command\n");
887 return -1;
888 }
889 memset(&state->mac_address, '\0', 8);
890 memcpy(&state->mac_address, &state->rxbuffer, 6);
891 pr_err("MAC Address=[%pM]\n", state->mac_address);
892
893 return 0;
894}
895
896static int dst_fw_ver(struct dst_state *state)
897{
898 u8 get_ver[] = { 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
899 get_ver[7] = dst_check_sum(get_ver, 7);
900 if (dst_command(state, get_ver, 8) < 0) {
901 dprintk(2, "Unsupported Command\n");
902 return -1;
903 }
904 memcpy(&state->fw_version, &state->rxbuffer, 8);
905 pr_err("Firmware Ver = %x.%x Build = %02x, on %x:%x, %x-%x-20%02x\n",
906 state->fw_version[0] >> 4, state->fw_version[0] & 0x0f,
907 state->fw_version[1],
908 state->fw_version[5], state->fw_version[6],
909 state->fw_version[4], state->fw_version[3], state->fw_version[2]);
910
911 return 0;
912}
913
914static int dst_card_type(struct dst_state *state)
915{
916 int j;
917 struct tuner_types *p_tuner_list = NULL;
918
919 u8 get_type[] = { 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
920 get_type[7] = dst_check_sum(get_type, 7);
921 if (dst_command(state, get_type, 8) < 0) {
922 dprintk(2, "Unsupported Command\n");
923 return -1;
924 }
925 memset(&state->card_info, '\0', 8);
926 memcpy(&state->card_info, &state->rxbuffer, 7);
927 pr_err("Device Model=[%s]\n", &state->card_info[0]);
928
929 for (j = 0, p_tuner_list = tuner_list; j < ARRAY_SIZE(tuner_list); j++, p_tuner_list++) {
930 if (!strcmp(&state->card_info[0], p_tuner_list->board_name)) {
931 state->tuner_type = p_tuner_list->tuner_type;
932 pr_err("DST has [%s] tuner, tuner type=[%d]\n",
933 p_tuner_list->tuner_name, p_tuner_list->tuner_type);
934 }
935 }
936
937 return 0;
938}
939
940static int dst_get_vendor(struct dst_state *state)
941{
942 u8 get_vendor[] = { 0x00, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
943 get_vendor[7] = dst_check_sum(get_vendor, 7);
944 if (dst_command(state, get_vendor, 8) < 0) {
945 dprintk(2, "Unsupported Command\n");
946 return -1;
947 }
948 memset(&state->vendor, '\0', 8);
949 memcpy(&state->vendor, &state->rxbuffer, 7);
950 pr_err("Vendor=[%s]\n", &state->vendor[0]);
951
952 return 0;
953}
954
955static void debug_dst_buffer(struct dst_state *state)
956{
957 dprintk(3, "%s: [ %*ph ]\n", __func__, 8, state->rxbuffer);
958}
959
960static int dst_check_stv0299(struct dst_state *state)
961{
962 u8 check_stv0299[] = { 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
963
964 check_stv0299[7] = dst_check_sum(check_stv0299, 7);
965 if (dst_command(state, check_stv0299, 8) < 0) {
966 pr_err("Cmd=[0x04] failed\n");
967 return -1;
968 }
969 debug_dst_buffer(state);
970
971 if (memcmp(&check_stv0299, &state->rxbuffer, 8)) {
972 pr_err("Found a STV0299 NIM\n");
973 state->tuner_type = TUNER_TYPE_STV0299;
974 return 0;
975 }
976
977 return -1;
978}
979
980static int dst_check_mb86a15(struct dst_state *state)
981{
982 u8 check_mb86a15[] = { 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
983
984 check_mb86a15[7] = dst_check_sum(check_mb86a15, 7);
985 if (dst_command(state, check_mb86a15, 8) < 0) {
986 pr_err("Cmd=[0x10], failed\n");
987 return -1;
988 }
989 debug_dst_buffer(state);
990
991 if (memcmp(&check_mb86a15, &state->rxbuffer, 8) < 0) {
992 pr_err("Found a MB86A15 NIM\n");
993 state->tuner_type = TUNER_TYPE_MB86A15;
994 return 0;
995 }
996
997 return -1;
998}
999
1000static int dst_get_tuner_info(struct dst_state *state)
1001{
1002 u8 get_tuner_1[] = { 0x00, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
1003 u8 get_tuner_2[] = { 0x00, 0x0b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
1004
1005 get_tuner_1[7] = dst_check_sum(get_tuner_1, 7);
1006 get_tuner_2[7] = dst_check_sum(get_tuner_2, 7);
1007 pr_err("DST TYpe = MULTI FE\n");
1008 if (state->type_flags & DST_TYPE_HAS_MULTI_FE) {
1009 if (dst_command(state, get_tuner_1, 8) < 0) {
1010 dprintk(2, "Cmd=[0x13], Unsupported\n");
1011 goto force;
1012 }
1013 } else {
1014 if (dst_command(state, get_tuner_2, 8) < 0) {
1015 dprintk(2, "Cmd=[0xb], Unsupported\n");
1016 goto force;
1017 }
1018 }
1019 memcpy(&state->board_info, &state->rxbuffer, 8);
1020 if (state->type_flags & DST_TYPE_HAS_MULTI_FE) {
1021 pr_err("DST type has TS=188\n");
1022 }
1023 if (state->board_info[0] == 0xbc) {
1024 if (state->dst_type != DST_TYPE_IS_ATSC)
1025 state->type_flags |= DST_TYPE_HAS_TS188;
1026 else
1027 state->type_flags |= DST_TYPE_HAS_NEWTUNE_2;
1028
1029 if (state->board_info[1] == 0x01) {
1030 state->dst_hw_cap |= DST_TYPE_HAS_DBOARD;
1031 pr_err("DST has Daughterboard\n");
1032 }
1033 }
1034
1035 return 0;
1036force:
1037 if (!strncmp(state->fw_name, "DCT-CI", 6)) {
1038 state->type_flags |= DST_TYPE_HAS_TS204;
1039 pr_err("Forcing [%s] to TS188\n", state->fw_name);
1040 }
1041
1042 return -1;
1043}
1044
1045static int dst_get_device_id(struct dst_state *state)
1046{
1047 u8 reply;
1048
1049 int i, j;
1050 struct dst_types *p_dst_type = NULL;
1051 struct tuner_types *p_tuner_list = NULL;
1052
1053 u8 use_dst_type = 0;
1054 u32 use_type_flags = 0;
1055
1056 static u8 device_type[8] = {0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff};
1057
1058 state->tuner_type = 0;
1059 device_type[7] = dst_check_sum(device_type, 7);
1060
1061 if (write_dst(state, device_type, FIXED_COMM))
1062 return -1; /* Write failed */
1063 if ((dst_pio_disable(state)) < 0)
1064 return -1;
1065 if (read_dst(state, &reply, GET_ACK))
1066 return -1; /* Read failure */
1067 if (reply != ACK) {
1068 dprintk(2, "Write not Acknowledged! [Reply=0x%02x]\n", reply);
1069 return -1; /* Unack'd write */
1070 }
1071 if (!dst_wait_dst_ready(state, DEVICE_INIT))
1072 return -1; /* DST not ready yet */
1073 if (read_dst(state, state->rxbuffer, FIXED_COMM))
1074 return -1;
1075
1076 dst_pio_disable(state);
1077 if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
1078 dprintk(2, "Checksum failure!\n");
1079 return -1; /* Checksum failure */
1080 }
1081 state->rxbuffer[7] = '\0';
1082
1083 for (i = 0, p_dst_type = dst_tlist; i < ARRAY_SIZE(dst_tlist); i++, p_dst_type++) {
1084 if (!strncmp (&state->rxbuffer[p_dst_type->offset], p_dst_type->device_id, strlen (p_dst_type->device_id))) {
1085 use_type_flags = p_dst_type->type_flags;
1086 use_dst_type = p_dst_type->dst_type;
1087
1088 /* Card capabilities */
1089 state->dst_hw_cap = p_dst_type->dst_feature;
1090 pr_err("Recognise [%s]\n", p_dst_type->device_id);
1091 strscpy(state->fw_name, p_dst_type->device_id,
1092 sizeof(state->fw_name));
1093 /* Multiple tuners */
1094 if (p_dst_type->tuner_type & TUNER_TYPE_MULTI) {
1095 switch (use_dst_type) {
1096 case DST_TYPE_IS_SAT:
1097 /* STV0299 check */
1098 if (dst_check_stv0299(state) < 0) {
1099 pr_err("Unsupported\n");
1100 state->tuner_type = TUNER_TYPE_MB86A15;
1101 }
1102 break;
1103 default:
1104 break;
1105 }
1106 if (dst_check_mb86a15(state) < 0)
1107 pr_err("Unsupported\n");
1108 /* Single tuner */
1109 } else {
1110 state->tuner_type = p_dst_type->tuner_type;
1111 }
1112 for (j = 0, p_tuner_list = tuner_list; j < ARRAY_SIZE(tuner_list); j++, p_tuner_list++) {
1113 if (!(strncmp(p_dst_type->device_id, p_tuner_list->fw_name, 7)) &&
1114 p_tuner_list->tuner_type == state->tuner_type) {
1115 pr_err("[%s] has a [%s]\n",
1116 p_dst_type->device_id, p_tuner_list->tuner_name);
1117 }
1118 }
1119 break;
1120 }
1121 }
1122
1123 if (i >= ARRAY_SIZE(dst_tlist)) {
1124 pr_err("Unable to recognize %s or %s\n", &state->rxbuffer[0], &state->rxbuffer[1]);
1125 pr_err("please email linux-dvb@linuxtv.org with this type in");
1126 use_dst_type = DST_TYPE_IS_SAT;
1127 use_type_flags = DST_TYPE_HAS_SYMDIV;
1128 }
1129 dst_type_print(state, use_dst_type);
1130 state->type_flags = use_type_flags;
1131 state->dst_type = use_dst_type;
1132 dst_type_flags_print(state);
1133
1134 return 0;
1135}
1136
1137static int dst_probe(struct dst_state *state)
1138{
1139 mutex_init(&state->dst_mutex);
1140 if (dst_addons & DST_TYPE_HAS_CA) {
1141 if ((rdc_8820_reset(state)) < 0) {
1142 pr_err("RDC 8820 RESET Failed.\n");
1143 return -1;
1144 }
1145 msleep(4000);
1146 } else {
1147 msleep(100);
1148 }
1149 if ((dst_comm_init(state)) < 0) {
1150 pr_err("DST Initialization Failed.\n");
1151 return -1;
1152 }
1153 msleep(100);
1154 if (dst_get_device_id(state) < 0) {
1155 pr_err("unknown device.\n");
1156 return -1;
1157 }
1158 if (dst_get_mac(state) < 0) {
1159 dprintk(2, "MAC: Unsupported command\n");
1160 }
1161 if ((state->type_flags & DST_TYPE_HAS_MULTI_FE) || (state->type_flags & DST_TYPE_HAS_FW_BUILD)) {
1162 if (dst_get_tuner_info(state) < 0)
1163 dprintk(2, "Tuner: Unsupported command\n");
1164 }
1165 if (state->type_flags & DST_TYPE_HAS_TS204) {
1166 dst_packsize(state, 204);
1167 }
1168 if (state->type_flags & DST_TYPE_HAS_FW_BUILD) {
1169 if (dst_fw_ver(state) < 0) {
1170 dprintk(2, "FW: Unsupported command\n");
1171 return 0;
1172 }
1173 if (dst_card_type(state) < 0) {
1174 dprintk(2, "Card: Unsupported command\n");
1175 return 0;
1176 }
1177 if (dst_get_vendor(state) < 0) {
1178 dprintk(2, "Vendor: Unsupported command\n");
1179 return 0;
1180 }
1181 }
1182
1183 return 0;
1184}
1185
1186static int dst_command(struct dst_state *state, u8 *data, u8 len)
1187{
1188 u8 reply;
1189
1190 mutex_lock(&state->dst_mutex);
1191 if ((dst_comm_init(state)) < 0) {
1192 dprintk(1, "DST Communication Initialization Failed.\n");
1193 goto error;
1194 }
1195 if (write_dst(state, data, len)) {
1196 dprintk(2, "Trying to recover..\n");
1197 if ((dst_error_recovery(state)) < 0) {
1198 pr_err("Recovery Failed.\n");
1199 goto error;
1200 }
1201 goto error;
1202 }
1203 if ((dst_pio_disable(state)) < 0) {
1204 pr_err("PIO Disable Failed.\n");
1205 goto error;
1206 }
1207 if (state->type_flags & DST_TYPE_HAS_FW_1)
1208 mdelay(3);
1209 if (read_dst(state, &reply, GET_ACK)) {
1210 dprintk(3, "Trying to recover..\n");
1211 if ((dst_error_recovery(state)) < 0) {
1212 dprintk(2, "Recovery Failed.\n");
1213 goto error;
1214 }
1215 goto error;
1216 }
1217 if (reply != ACK) {
1218 dprintk(2, "write not acknowledged 0x%02x\n", reply);
1219 goto error;
1220 }
1221 if (len >= 2 && data[0] == 0 && (data[1] == 1 || data[1] == 3))
1222 goto error;
1223 if (state->type_flags & DST_TYPE_HAS_FW_1)
1224 mdelay(3);
1225 else
1226 udelay(2000);
1227 if (!dst_wait_dst_ready(state, NO_DELAY))
1228 goto error;
1229 if (read_dst(state, state->rxbuffer, FIXED_COMM)) {
1230 dprintk(3, "Trying to recover..\n");
1231 if ((dst_error_recovery(state)) < 0) {
1232 dprintk(2, "Recovery failed.\n");
1233 goto error;
1234 }
1235 goto error;
1236 }
1237 if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
1238 dprintk(2, "checksum failure\n");
1239 goto error;
1240 }
1241 mutex_unlock(&state->dst_mutex);
1242 return 0;
1243
1244error:
1245 mutex_unlock(&state->dst_mutex);
1246 return -EIO;
1247
1248}
1249
1250static int dst_get_signal(struct dst_state *state)
1251{
1252 int retval;
1253 u8 get_signal[] = { 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfb };
1254 //dprintk("%s: Getting Signal strength and other parameters\n", __func__);
1255 if ((state->diseq_flags & ATTEMPT_TUNE) == 0) {
1256 state->decode_lock = state->decode_strength = state->decode_snr = 0;
1257 return 0;
1258 }
1259 if (0 == (state->diseq_flags & HAS_LOCK)) {
1260 state->decode_lock = state->decode_strength = state->decode_snr = 0;
1261 return 0;
1262 }
1263 if (time_after_eq(jiffies, state->cur_jiff + (HZ / 5))) {
1264 retval = dst_command(state, get_signal, 8);
1265 if (retval < 0)
1266 return retval;
1267 if (state->dst_type == DST_TYPE_IS_SAT) {
1268 state->decode_lock = ((state->rxbuffer[6] & 0x10) == 0) ? 1 : 0;
1269 state->decode_strength = state->rxbuffer[5] << 8;
1270 state->decode_snr = state->rxbuffer[2] << 8 | state->rxbuffer[3];
1271 } else if ((state->dst_type == DST_TYPE_IS_TERR) || (state->dst_type == DST_TYPE_IS_CABLE)) {
1272 state->decode_lock = (state->rxbuffer[1]) ? 1 : 0;
1273 state->decode_strength = state->rxbuffer[4] << 8;
1274 state->decode_snr = state->rxbuffer[3] << 8;
1275 } else if (state->dst_type == DST_TYPE_IS_ATSC) {
1276 state->decode_lock = (state->rxbuffer[6] == 0x00) ? 1 : 0;
1277 state->decode_strength = state->rxbuffer[4] << 8;
1278 state->decode_snr = state->rxbuffer[2] << 8 | state->rxbuffer[3];
1279 }
1280 state->cur_jiff = jiffies;
1281 }
1282 return 0;
1283}
1284
1285static int dst_tone_power_cmd(struct dst_state *state)
1286{
1287 u8 packet[8] = { 0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00 };
1288
1289 if (state->dst_type != DST_TYPE_IS_SAT)
1290 return -EOPNOTSUPP;
1291 packet[4] = state->tx_tuna[4];
1292 packet[2] = state->tx_tuna[2];
1293 packet[3] = state->tx_tuna[3];
1294 packet[7] = dst_check_sum (packet, 7);
1295 return dst_command(state, packet, 8);
1296}
1297
1298static int dst_get_tuna(struct dst_state *state)
1299{
1300 int retval;
1301
1302 if ((state->diseq_flags & ATTEMPT_TUNE) == 0)
1303 return 0;
1304 state->diseq_flags &= ~(HAS_LOCK);
1305 if (!dst_wait_dst_ready(state, NO_DELAY))
1306 return -EIO;
1307 if ((state->type_flags & DST_TYPE_HAS_VLF) &&
1308 !(state->dst_type == DST_TYPE_IS_ATSC))
1309
1310 retval = read_dst(state, state->rx_tuna, 10);
1311 else
1312 retval = read_dst(state, &state->rx_tuna[2], FIXED_COMM);
1313 if (retval < 0) {
1314 dprintk(3, "read not successful\n");
1315 return retval;
1316 }
1317 if ((state->type_flags & DST_TYPE_HAS_VLF) &&
1318 !(state->dst_type == DST_TYPE_IS_ATSC)) {
1319
1320 if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[0], 9)) {
1321 dprintk(2, "checksum failure ?\n");
1322 return -EIO;
1323 }
1324 } else {
1325 if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[2], 7)) {
1326 dprintk(2, "checksum failure?\n");
1327 return -EIO;
1328 }
1329 }
1330 if (state->rx_tuna[2] == 0 && state->rx_tuna[3] == 0)
1331 return 0;
1332 if (state->dst_type == DST_TYPE_IS_SAT) {
1333 state->decode_freq = ((state->rx_tuna[2] & 0x7f) << 8) + state->rx_tuna[3];
1334 } else {
1335 state->decode_freq = ((state->rx_tuna[2] & 0x7f) << 16) + (state->rx_tuna[3] << 8) + state->rx_tuna[4];
1336 }
1337 state->decode_freq = state->decode_freq * 1000;
1338 state->decode_lock = 1;
1339 state->diseq_flags |= HAS_LOCK;
1340
1341 return 1;
1342}
1343
1344static int dst_set_voltage(struct dvb_frontend *fe,
1345 enum fe_sec_voltage voltage);
1346
1347static int dst_write_tuna(struct dvb_frontend *fe)
1348{
1349 struct dst_state *state = fe->demodulator_priv;
1350 int retval;
1351 u8 reply;
1352
1353 dprintk(2, "type_flags 0x%x\n", state->type_flags);
1354 state->decode_freq = 0;
1355 state->decode_lock = state->decode_strength = state->decode_snr = 0;
1356 if (state->dst_type == DST_TYPE_IS_SAT) {
1357 if (!(state->diseq_flags & HAS_POWER))
1358 dst_set_voltage(fe, SEC_VOLTAGE_13);
1359 }
1360 state->diseq_flags &= ~(HAS_LOCK | ATTEMPT_TUNE);
1361 mutex_lock(&state->dst_mutex);
1362 if ((dst_comm_init(state)) < 0) {
1363 dprintk(3, "DST Communication initialization failed.\n");
1364 goto error;
1365 }
1366// if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
1367 if ((state->type_flags & DST_TYPE_HAS_VLF) &&
1368 (!(state->dst_type == DST_TYPE_IS_ATSC))) {
1369
1370 state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[0], 9);
1371 retval = write_dst(state, &state->tx_tuna[0], 10);
1372 } else {
1373 state->tx_tuna[9] = dst_check_sum(&state->tx_tuna[2], 7);
1374 retval = write_dst(state, &state->tx_tuna[2], FIXED_COMM);
1375 }
1376 if (retval < 0) {
1377 dst_pio_disable(state);
1378 dprintk(3, "write not successful\n");
1379 goto werr;
1380 }
1381 if ((dst_pio_disable(state)) < 0) {
1382 dprintk(3, "DST PIO disable failed !\n");
1383 goto error;
1384 }
1385 if ((read_dst(state, &reply, GET_ACK) < 0)) {
1386 dprintk(3, "read verify not successful.\n");
1387 goto error;
1388 }
1389 if (reply != ACK) {
1390 dprintk(3, "write not acknowledged 0x%02x\n", reply);
1391 goto error;
1392 }
1393 state->diseq_flags |= ATTEMPT_TUNE;
1394 retval = dst_get_tuna(state);
1395werr:
1396 mutex_unlock(&state->dst_mutex);
1397 return retval;
1398
1399error:
1400 mutex_unlock(&state->dst_mutex);
1401 return -EIO;
1402}
1403
1404/*
1405 * line22k0 0x00, 0x09, 0x00, 0xff, 0x01, 0x00, 0x00, 0x00
1406 * line22k1 0x00, 0x09, 0x01, 0xff, 0x01, 0x00, 0x00, 0x00
1407 * line22k2 0x00, 0x09, 0x02, 0xff, 0x01, 0x00, 0x00, 0x00
1408 * tone 0x00, 0x09, 0xff, 0x00, 0x01, 0x00, 0x00, 0x00
1409 * data 0x00, 0x09, 0xff, 0x01, 0x01, 0x00, 0x00, 0x00
1410 * power_off 0x00, 0x09, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00
1411 * power_on 0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00
1412 * Diseqc 1 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec
1413 * Diseqc 2 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf4, 0xe8
1414 * Diseqc 3 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf8, 0xe4
1415 * Diseqc 4 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xfc, 0xe0
1416 */
1417
1418static int dst_set_diseqc(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd *cmd)
1419{
1420 struct dst_state *state = fe->demodulator_priv;
1421 u8 packet[8] = { 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec };
1422
1423 if (state->dst_type != DST_TYPE_IS_SAT)
1424 return -EOPNOTSUPP;
1425 if (cmd->msg_len > 0 && cmd->msg_len < 5)
1426 memcpy(&packet[3], cmd->msg, cmd->msg_len);
1427 else if (cmd->msg_len == 5 && state->dst_hw_cap & DST_TYPE_HAS_DISEQC5)
1428 memcpy(&packet[2], cmd->msg, cmd->msg_len);
1429 else
1430 return -EINVAL;
1431 packet[7] = dst_check_sum(&packet[0], 7);
1432 return dst_command(state, packet, 8);
1433}
1434
1435static int dst_set_voltage(struct dvb_frontend *fe, enum fe_sec_voltage voltage)
1436{
1437 int need_cmd, retval = 0;
1438 struct dst_state *state = fe->demodulator_priv;
1439
1440 state->voltage = voltage;
1441 if (state->dst_type != DST_TYPE_IS_SAT)
1442 return -EOPNOTSUPP;
1443
1444 need_cmd = 0;
1445
1446 switch (voltage) {
1447 case SEC_VOLTAGE_13:
1448 case SEC_VOLTAGE_18:
1449 if ((state->diseq_flags & HAS_POWER) == 0)
1450 need_cmd = 1;
1451 state->diseq_flags |= HAS_POWER;
1452 state->tx_tuna[4] = 0x01;
1453 break;
1454 case SEC_VOLTAGE_OFF:
1455 need_cmd = 1;
1456 state->diseq_flags &= ~(HAS_POWER | HAS_LOCK | ATTEMPT_TUNE);
1457 state->tx_tuna[4] = 0x00;
1458 break;
1459 default:
1460 return -EINVAL;
1461 }
1462
1463 if (need_cmd)
1464 retval = dst_tone_power_cmd(state);
1465
1466 return retval;
1467}
1468
1469static int dst_set_tone(struct dvb_frontend *fe, enum fe_sec_tone_mode tone)
1470{
1471 struct dst_state *state = fe->demodulator_priv;
1472
1473 state->tone = tone;
1474 if (state->dst_type != DST_TYPE_IS_SAT)
1475 return -EOPNOTSUPP;
1476
1477 switch (tone) {
1478 case SEC_TONE_OFF:
1479 if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1480 state->tx_tuna[2] = 0x00;
1481 else
1482 state->tx_tuna[2] = 0xff;
1483 break;
1484
1485 case SEC_TONE_ON:
1486 state->tx_tuna[2] = 0x02;
1487 break;
1488 default:
1489 return -EINVAL;
1490 }
1491 return dst_tone_power_cmd(state);
1492}
1493
1494static int dst_send_burst(struct dvb_frontend *fe, enum fe_sec_mini_cmd minicmd)
1495{
1496 struct dst_state *state = fe->demodulator_priv;
1497
1498 if (state->dst_type != DST_TYPE_IS_SAT)
1499 return -EOPNOTSUPP;
1500 state->minicmd = minicmd;
1501 switch (minicmd) {
1502 case SEC_MINI_A:
1503 state->tx_tuna[3] = 0x02;
1504 break;
1505 case SEC_MINI_B:
1506 state->tx_tuna[3] = 0xff;
1507 break;
1508 }
1509 return dst_tone_power_cmd(state);
1510}
1511
1512
1513static int bt8xx_dst_init(struct dvb_frontend *fe)
1514{
1515 struct dst_state *state = fe->demodulator_priv;
1516
1517 static u8 sat_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x00, 0x73, 0x21, 0x00, 0x00 };
1518 static u8 sat_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x55, 0xbd, 0x50, 0x00, 0x00 };
1519 static u8 ter_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1520 static u8 ter_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1521 static u8 cab_tuna_188[] = { 0x09, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1522 static u8 cab_tuna_204[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1523 static u8 atsc_tuner[] = { 0x00, 0x00, 0x03, 0xb6, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 };
1524
1525 state->inversion = INVERSION_OFF;
1526 state->voltage = SEC_VOLTAGE_13;
1527 state->tone = SEC_TONE_OFF;
1528 state->diseq_flags = 0;
1529 state->k22 = 0x02;
1530 state->bandwidth = 7000000;
1531 state->cur_jiff = jiffies;
1532 if (state->dst_type == DST_TYPE_IS_SAT)
1533 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_VLF) ? sat_tuna_188 : sat_tuna_204), sizeof (sat_tuna_204));
1534 else if (state->dst_type == DST_TYPE_IS_TERR)
1535 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_VLF) ? ter_tuna_188 : ter_tuna_204), sizeof (ter_tuna_204));
1536 else if (state->dst_type == DST_TYPE_IS_CABLE)
1537 memcpy(state->tx_tuna, ((state->type_flags & DST_TYPE_HAS_VLF) ? cab_tuna_188 : cab_tuna_204), sizeof (cab_tuna_204));
1538 else if (state->dst_type == DST_TYPE_IS_ATSC)
1539 memcpy(state->tx_tuna, atsc_tuner, sizeof (atsc_tuner));
1540
1541 return 0;
1542}
1543
1544static int dst_read_status(struct dvb_frontend *fe, enum fe_status *status)
1545{
1546 struct dst_state *state = fe->demodulator_priv;
1547
1548 *status = 0;
1549 if (state->diseq_flags & HAS_LOCK) {
1550// dst_get_signal(state); // don't require(?) to ask MCU
1551 if (state->decode_lock)
1552 *status |= FE_HAS_LOCK | FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_SYNC | FE_HAS_VITERBI;
1553 }
1554
1555 return 0;
1556}
1557
1558static int dst_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
1559{
1560 struct dst_state *state = fe->demodulator_priv;
1561
1562 int retval = dst_get_signal(state);
1563 *strength = state->decode_strength;
1564
1565 return retval;
1566}
1567
1568static int dst_read_snr(struct dvb_frontend *fe, u16 *snr)
1569{
1570 struct dst_state *state = fe->demodulator_priv;
1571
1572 int retval = dst_get_signal(state);
1573 *snr = state->decode_snr;
1574
1575 return retval;
1576}
1577
1578static int dst_set_frontend(struct dvb_frontend *fe)
1579{
1580 struct dtv_frontend_properties *p = &fe->dtv_property_cache;
1581 int retval = -EINVAL;
1582 struct dst_state *state = fe->demodulator_priv;
1583
1584 if (p != NULL) {
1585 retval = dst_set_freq(state, p->frequency);
1586 if(retval != 0)
1587 return retval;
1588 dprintk(3, "Set Frequency=[%d]\n", p->frequency);
1589
1590 if (state->dst_type == DST_TYPE_IS_SAT) {
1591 if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1592 dst_set_inversion(state, p->inversion);
1593 dst_set_fec(state, p->fec_inner);
1594 dst_set_symbolrate(state, p->symbol_rate);
1595 dst_set_polarization(state);
1596 dprintk(3, "Set Symbolrate=[%d]\n", p->symbol_rate);
1597
1598 } else if (state->dst_type == DST_TYPE_IS_TERR)
1599 dst_set_bandwidth(state, p->bandwidth_hz);
1600 else if (state->dst_type == DST_TYPE_IS_CABLE) {
1601 dst_set_fec(state, p->fec_inner);
1602 dst_set_symbolrate(state, p->symbol_rate);
1603 dst_set_modulation(state, p->modulation);
1604 }
1605 retval = dst_write_tuna(fe);
1606 }
1607
1608 return retval;
1609}
1610
1611static int dst_tune_frontend(struct dvb_frontend* fe,
1612 bool re_tune,
1613 unsigned int mode_flags,
1614 unsigned int *delay,
1615 enum fe_status *status)
1616{
1617 struct dst_state *state = fe->demodulator_priv;
1618 struct dtv_frontend_properties *p = &fe->dtv_property_cache;
1619
1620 if (re_tune) {
1621 dst_set_freq(state, p->frequency);
1622 dprintk(3, "Set Frequency=[%d]\n", p->frequency);
1623
1624 if (state->dst_type == DST_TYPE_IS_SAT) {
1625 if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1626 dst_set_inversion(state, p->inversion);
1627 dst_set_fec(state, p->fec_inner);
1628 dst_set_symbolrate(state, p->symbol_rate);
1629 dst_set_polarization(state);
1630 dprintk(3, "Set Symbolrate=[%d]\n", p->symbol_rate);
1631
1632 } else if (state->dst_type == DST_TYPE_IS_TERR)
1633 dst_set_bandwidth(state, p->bandwidth_hz);
1634 else if (state->dst_type == DST_TYPE_IS_CABLE) {
1635 dst_set_fec(state, p->fec_inner);
1636 dst_set_symbolrate(state, p->symbol_rate);
1637 dst_set_modulation(state, p->modulation);
1638 }
1639 dst_write_tuna(fe);
1640 }
1641
1642 if (!(mode_flags & FE_TUNE_MODE_ONESHOT))
1643 dst_read_status(fe, status);
1644
1645 *delay = HZ/10;
1646 return 0;
1647}
1648
1649static enum dvbfe_algo dst_get_tuning_algo(struct dvb_frontend *fe)
1650{
1651 return dst_algo ? DVBFE_ALGO_HW : DVBFE_ALGO_SW;
1652}
1653
1654static int dst_get_frontend(struct dvb_frontend *fe,
1655 struct dtv_frontend_properties *p)
1656{
1657 struct dst_state *state = fe->demodulator_priv;
1658
1659 p->frequency = state->decode_freq;
1660 if (state->dst_type == DST_TYPE_IS_SAT) {
1661 if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1662 p->inversion = state->inversion;
1663 p->symbol_rate = state->symbol_rate;
1664 p->fec_inner = dst_get_fec(state);
1665 } else if (state->dst_type == DST_TYPE_IS_TERR) {
1666 p->bandwidth_hz = state->bandwidth;
1667 } else if (state->dst_type == DST_TYPE_IS_CABLE) {
1668 p->symbol_rate = state->symbol_rate;
1669 p->fec_inner = dst_get_fec(state);
1670 p->modulation = dst_get_modulation(state);
1671 }
1672
1673 return 0;
1674}
1675
1676static void bt8xx_dst_release(struct dvb_frontend *fe)
1677{
1678 struct dst_state *state = fe->demodulator_priv;
1679 if (state->dst_ca) {
1680 dvb_unregister_device(state->dst_ca);
1681#ifdef CONFIG_MEDIA_ATTACH
1682 symbol_put(dst_ca_attach);
1683#endif
1684 }
1685 kfree(state);
1686}
1687
1688static const struct dvb_frontend_ops dst_dvbt_ops;
1689static const struct dvb_frontend_ops dst_dvbs_ops;
1690static const struct dvb_frontend_ops dst_dvbc_ops;
1691static const struct dvb_frontend_ops dst_atsc_ops;
1692
1693struct dst_state *dst_attach(struct dst_state *state, struct dvb_adapter *dvb_adapter)
1694{
1695 /* check if the ASIC is there */
1696 if (dst_probe(state) < 0) {
1697 kfree(state);
1698 return NULL;
1699 }
1700 /* determine settings based on type */
1701 /* create dvb_frontend */
1702 switch (state->dst_type) {
1703 case DST_TYPE_IS_TERR:
1704 memcpy(&state->frontend.ops, &dst_dvbt_ops, sizeof(struct dvb_frontend_ops));
1705 break;
1706 case DST_TYPE_IS_CABLE:
1707 memcpy(&state->frontend.ops, &dst_dvbc_ops, sizeof(struct dvb_frontend_ops));
1708 break;
1709 case DST_TYPE_IS_SAT:
1710 memcpy(&state->frontend.ops, &dst_dvbs_ops, sizeof(struct dvb_frontend_ops));
1711 break;
1712 case DST_TYPE_IS_ATSC:
1713 memcpy(&state->frontend.ops, &dst_atsc_ops, sizeof(struct dvb_frontend_ops));
1714 break;
1715 default:
1716 pr_err("unknown DST type. please report to the LinuxTV.org DVB mailinglist.\n");
1717 kfree(state);
1718 return NULL;
1719 }
1720 state->frontend.demodulator_priv = state;
1721
1722 return state; /* Manu (DST is a card not a frontend) */
1723}
1724
1725EXPORT_SYMBOL_GPL(dst_attach);
1726
1727static const struct dvb_frontend_ops dst_dvbt_ops = {
1728 .delsys = { SYS_DVBT },
1729 .info = {
1730 .name = "DST DVB-T",
1731 .frequency_min_hz = 137 * MHz,
1732 .frequency_max_hz = 858 * MHz,
1733 .frequency_stepsize_hz = 166667,
1734 .caps = FE_CAN_FEC_AUTO |
1735 FE_CAN_QAM_AUTO |
1736 FE_CAN_QAM_16 |
1737 FE_CAN_QAM_32 |
1738 FE_CAN_QAM_64 |
1739 FE_CAN_QAM_128 |
1740 FE_CAN_QAM_256 |
1741 FE_CAN_TRANSMISSION_MODE_AUTO |
1742 FE_CAN_GUARD_INTERVAL_AUTO
1743 },
1744
1745 .release = bt8xx_dst_release,
1746 .init = bt8xx_dst_init,
1747 .tune = dst_tune_frontend,
1748 .set_frontend = dst_set_frontend,
1749 .get_frontend = dst_get_frontend,
1750 .get_frontend_algo = dst_get_tuning_algo,
1751 .read_status = dst_read_status,
1752 .read_signal_strength = dst_read_signal_strength,
1753 .read_snr = dst_read_snr,
1754};
1755
1756static const struct dvb_frontend_ops dst_dvbs_ops = {
1757 .delsys = { SYS_DVBS },
1758 .info = {
1759 .name = "DST DVB-S",
1760 .frequency_min_hz = 950 * MHz,
1761 .frequency_max_hz = 2150 * MHz,
1762 .frequency_stepsize_hz = 1 * MHz,
1763 .frequency_tolerance_hz = 29500 * kHz,
1764 .symbol_rate_min = 1000000,
1765 .symbol_rate_max = 45000000,
1766 /* . symbol_rate_tolerance = ???,*/
1767 .caps = FE_CAN_FEC_AUTO | FE_CAN_QPSK
1768 },
1769
1770 .release = bt8xx_dst_release,
1771 .init = bt8xx_dst_init,
1772 .tune = dst_tune_frontend,
1773 .set_frontend = dst_set_frontend,
1774 .get_frontend = dst_get_frontend,
1775 .get_frontend_algo = dst_get_tuning_algo,
1776 .read_status = dst_read_status,
1777 .read_signal_strength = dst_read_signal_strength,
1778 .read_snr = dst_read_snr,
1779 .diseqc_send_burst = dst_send_burst,
1780 .diseqc_send_master_cmd = dst_set_diseqc,
1781 .set_voltage = dst_set_voltage,
1782 .set_tone = dst_set_tone,
1783};
1784
1785static const struct dvb_frontend_ops dst_dvbc_ops = {
1786 .delsys = { SYS_DVBC_ANNEX_A },
1787 .info = {
1788 .name = "DST DVB-C",
1789 .frequency_min_hz = 51 * MHz,
1790 .frequency_max_hz = 858 * MHz,
1791 .frequency_stepsize_hz = 62500,
1792 .symbol_rate_min = 1000000,
1793 .symbol_rate_max = 45000000,
1794 .caps = FE_CAN_FEC_AUTO |
1795 FE_CAN_QAM_AUTO |
1796 FE_CAN_QAM_16 |
1797 FE_CAN_QAM_32 |
1798 FE_CAN_QAM_64 |
1799 FE_CAN_QAM_128 |
1800 FE_CAN_QAM_256
1801 },
1802
1803 .release = bt8xx_dst_release,
1804 .init = bt8xx_dst_init,
1805 .tune = dst_tune_frontend,
1806 .set_frontend = dst_set_frontend,
1807 .get_frontend = dst_get_frontend,
1808 .get_frontend_algo = dst_get_tuning_algo,
1809 .read_status = dst_read_status,
1810 .read_signal_strength = dst_read_signal_strength,
1811 .read_snr = dst_read_snr,
1812};
1813
1814static const struct dvb_frontend_ops dst_atsc_ops = {
1815 .delsys = { SYS_ATSC },
1816 .info = {
1817 .name = "DST ATSC",
1818 .frequency_min_hz = 510 * MHz,
1819 .frequency_max_hz = 858 * MHz,
1820 .frequency_stepsize_hz = 62500,
1821 .symbol_rate_min = 1000000,
1822 .symbol_rate_max = 45000000,
1823 .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO | FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_8VSB
1824 },
1825
1826 .release = bt8xx_dst_release,
1827 .init = bt8xx_dst_init,
1828 .tune = dst_tune_frontend,
1829 .set_frontend = dst_set_frontend,
1830 .get_frontend = dst_get_frontend,
1831 .get_frontend_algo = dst_get_tuning_algo,
1832 .read_status = dst_read_status,
1833 .read_signal_strength = dst_read_signal_strength,
1834 .read_snr = dst_read_snr,
1835};
1836
1837MODULE_DESCRIPTION("DST DVB-S/T/C/ATSC Combo Frontend driver");
1838MODULE_AUTHOR("Jamie Honan, Manu Abraham");
1839MODULE_LICENSE("GPL");