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DVB (2441): Driver support for live-ac3, firmware >= 2621 required.
[linux-2.6-block.git] / drivers / media / dvb / bt8xx / dst.c
CommitLineData
1da177e4 1/*
50b215a0
JS		 2 Frontend/Card driver for TwinHan DST Frontend
3 Copyright (C) 2003 Jamie Honan
4 Copyright (C) 2004, 2005 Manu Abraham (manu@kromtek.com)
1da177e4 5
50b215a0
JS		 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.
1da177e4 10
50b215a0
JS		 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.
1da177e4 15
50b215a0
JS		 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.
1da177e4
LT		 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>
1da177e4
LT		 29#include "dvb_frontend.h"
30#include "dst_priv.h"
50b215a0
JS		 31#include "dst_common.h"
32
50b215a0
JS		 33static unsigned int verbose = 1;
34module_param(verbose, int, 0644);
35MODULE_PARM_DESC(verbose, "verbose startup messages, default is 1 (yes)");
36
50b215a0
JS		 37static unsigned int dst_addons;
38module_param(dst_addons, int, 0644);
4a2cc126 39MODULE_PARM_DESC(dst_addons, "CA daughterboard, default is 0 (No addons)");
1da177e4 40
a427de6f
MA		 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
67static void dst_packsize(struct dst_state *state, int psize)
1da177e4
LT		 68{
69 union dst_gpio_packet bits;
70
71 bits.psize = psize;
72 bt878_device_control(state->bt, DST_IG_TS, &bits);
73}
74
a427de6f 75int dst_gpio_outb(struct dst_state *state, u32 mask, u32 enbb, u32 outhigh, int delay)
1da177e4
LT		 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;
50b215a0 83
a427de6f 84 dprintk(verbose, DST_INFO, 1, "mask=[%04x], enbb=[%04x], outhigh=[%04x]", mask, enbb, outhigh);
1da177e4 85 if ((err = bt878_device_control(state->bt, DST_IG_ENABLE, &enb)) < 0) {
a427de6f 86 dprintk(verbose, DST_INFO, 1, "dst_gpio_enb error (err == %i, mask == %02x, enb == %02x)", err, mask, enbb);
1da177e4
LT		 87 return -EREMOTEIO;
88 }
8385e46f 89 udelay(1000);
1da177e4
LT		 90 /* because complete disabling means no output, no need to do output packet */
91 if (enbb == 0)
92 return 0;
50b215a0
JS		 93 if (delay)
94 msleep(10);
1da177e4
LT		 95 bits.outp.mask = enbb;
96 bits.outp.highvals = outhigh;
1da177e4 97 if ((err = bt878_device_control(state->bt, DST_IG_WRITE, &bits)) < 0) {
a427de6f 98 dprintk(verbose, DST_INFO, 1, "dst_gpio_outb error (err == %i, enbb == %02x, outhigh == %02x)", err, enbb, outhigh);
1da177e4
LT		 99 return -EREMOTEIO;
100 }
a427de6f 101
1da177e4
LT		 102 return 0;
103}
50b215a0 104EXPORT_SYMBOL(dst_gpio_outb);
1da177e4 105
a427de6f 106int dst_gpio_inb(struct dst_state *state, u8 *result)
1da177e4
LT		 107{
108 union dst_gpio_packet rd_packet;
109 int err;
110
111 *result = 0;
1da177e4 112 if ((err = bt878_device_control(state->bt, DST_IG_READ, &rd_packet)) < 0) {
a427de6f 113 dprintk(verbose, DST_ERROR, 1, "dst_gpio_inb error (err == %i)\n", err);
1da177e4
LT		 114 return -EREMOTEIO;
115 }
1da177e4 116 *result = (u8) rd_packet.rd.value;
a427de6f 117
1da177e4
LT		 118 return 0;
119}
50b215a0 120EXPORT_SYMBOL(dst_gpio_inb);
1da177e4 121
50b215a0 122int rdc_reset_state(struct dst_state *state)
1da177e4 123{
a427de6f 124 dprintk(verbose, DST_INFO, 1, "Resetting state machine");
50b215a0 125 if (dst_gpio_outb(state, RDC_8820_INT, RDC_8820_INT, 0, NO_DELAY) < 0) {
a427de6f 126 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
50b215a0
JS		 127 return -1;
128 }
1da177e4 129 msleep(10);
50b215a0 130 if (dst_gpio_outb(state, RDC_8820_INT, RDC_8820_INT, RDC_8820_INT, NO_DELAY) < 0) {
a427de6f 131 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
50b215a0
JS		 132 msleep(10);
133 return -1;
134 }
135
1da177e4
LT		 136 return 0;
137}
50b215a0 138EXPORT_SYMBOL(rdc_reset_state);
1da177e4 139
50b215a0 140int rdc_8820_reset(struct dst_state *state)
1da177e4 141{
a427de6f 142 dprintk(verbose, DST_DEBUG, 1, "Resetting DST");
50b215a0 143 if (dst_gpio_outb(state, RDC_8820_RESET, RDC_8820_RESET, 0, NO_DELAY) < 0) {
a427de6f 144 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
50b215a0
JS		 145 return -1;
146 }
8385e46f 147 udelay(1000);
50b215a0 148 if (dst_gpio_outb(state, RDC_8820_RESET, RDC_8820_RESET, RDC_8820_RESET, DELAY) < 0) {
a427de6f 149 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
50b215a0
JS		 150 return -1;
151 }
152
1da177e4
LT		 153 return 0;
154}
50b215a0 155EXPORT_SYMBOL(rdc_8820_reset);
1da177e4 156
50b215a0 157int dst_pio_enable(struct dst_state *state)
1da177e4 158{
50b215a0 159 if (dst_gpio_outb(state, ~0, RDC_8820_PIO_0_ENABLE, 0, NO_DELAY) < 0) {
a427de6f 160 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
50b215a0
JS		 161 return -1;
162 }
8385e46f 163 udelay(1000);
a427de6f 164
50b215a0
JS		 165 return 0;
166}
167EXPORT_SYMBOL(dst_pio_enable);
168
169int 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) {
a427de6f 172 dprintk(verbose, DST_ERROR, 1, "dst_gpio_outb ERROR !");
50b215a0
JS		 173 return -1;
174 }
8385e46f
JS		 175 if (state->type_flags & DST_TYPE_HAS_FW_1)
176 udelay(1000);
50b215a0 177
1da177e4
LT		 178 return 0;
179}
50b215a0 180EXPORT_SYMBOL(dst_pio_disable);
1da177e4 181
50b215a0 182int dst_wait_dst_ready(struct dst_state *state, u8 delay_mode)
1da177e4
LT		 183{
184 u8 reply;
1da177e4 185 int i;
50b215a0 186
1da177e4 187 for (i = 0; i < 200; i++) {
50b215a0 188 if (dst_gpio_inb(state, &reply) < 0) {
a427de6f 189 dprintk(verbose, DST_ERROR, 1, "dst_gpio_inb ERROR !");
50b215a0
JS		 190 return -1;
191 }
50b215a0 192 if ((reply & RDC_8820_PIO_0_ENABLE) == 0) {
a427de6f 193 dprintk(verbose, DST_INFO, 1, "dst wait ready after %d", i);
1da177e4
LT		 194 return 1;
195 }
b46dd445 196 msleep(10);
50b215a0 197 }
a427de6f 198 dprintk(verbose, DST_NOTICE, 1, "dst wait NOT ready after %d", i);
50b215a0
JS		 199
200 return 0;
201}
202EXPORT_SYMBOL(dst_wait_dst_ready);
203
204int dst_error_recovery(struct dst_state *state)
205{
a427de6f 206 dprintk(verbose, DST_NOTICE, 1, "Trying to return from previous errors.");
50b215a0
JS		 207 dst_pio_disable(state);
208 msleep(10);
209 dst_pio_enable(state);
210 msleep(10);
211
212 return 0;
213}
214EXPORT_SYMBOL(dst_error_recovery);
215
216int dst_error_bailout(struct dst_state *state)
217{
a427de6f 218 dprintk(verbose, DST_INFO, 1, "Trying to bailout from previous error.");
50b215a0
JS		 219 rdc_8820_reset(state);
220 dst_pio_disable(state);
221 msleep(10);
222
223 return 0;
224}
225EXPORT_SYMBOL(dst_error_bailout);
226
a427de6f 227int dst_comm_init(struct dst_state *state)
50b215a0 228{
a427de6f 229 dprintk(verbose, DST_INFO, 1, "Initializing DST.");
50b215a0 230 if ((dst_pio_enable(state)) < 0) {
a427de6f 231 dprintk(verbose, DST_ERROR, 1, "PIO Enable Failed");
50b215a0
JS		 232 return -1;
233 }
234 if ((rdc_reset_state(state)) < 0) {
a427de6f 235 dprintk(verbose, DST_ERROR, 1, "RDC 8820 State RESET Failed.");
50b215a0 236 return -1;
1da177e4 237 }
8385e46f
JS		 238 if (state->type_flags & DST_TYPE_HAS_FW_1)
239 msleep(100);
240 else
241 msleep(5);
242
1da177e4
LT		 243 return 0;
244}
50b215a0 245EXPORT_SYMBOL(dst_comm_init);
1da177e4 246
50b215a0 247int write_dst(struct dst_state *state, u8 *data, u8 len)
1da177e4
LT		 248{
249 struct i2c_msg msg = {
a427de6f
MA		 250 .addr = state->config->demod_address,
251 .flags = 0,
252 .buf = data,
253 .len = len
1da177e4 254 };
50b215a0 255
1da177e4 256 int err;
a427de6f
MA		 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
50b215a0 264 for (cnt = 0; cnt < 2; cnt++) {
1da177e4 265 if ((err = i2c_transfer(state->i2c, &msg, 1)) < 0) {
a427de6f 266 dprintk(verbose, DST_INFO, 1, "_write_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)", err, len, data[0]);
50b215a0 267 dst_error_recovery(state);
1da177e4
LT		 268 continue;
269 } else
270 break;
271 }
50b215a0 272 if (cnt >= 2) {
a427de6f 273 dprintk(verbose, DST_INFO, 1, "RDC 8820 RESET");
50b215a0
JS		 274 dst_error_bailout(state);
275
276 return -1;
277 }
278
1da177e4
LT		 279 return 0;
280}
50b215a0 281EXPORT_SYMBOL(write_dst);
1da177e4 282
a427de6f 283int read_dst(struct dst_state *state, u8 *ret, u8 len)
1da177e4 284{
a427de6f
MA		 285 struct i2c_msg msg = {
286 .addr = state->config->demod_address,
287 .flags = I2C_M_RD,
288 .buf = ret,
289 .len = len
290 };
291
1da177e4
LT		 292 int err;
293 int cnt;
294
50b215a0 295 for (cnt = 0; cnt < 2; cnt++) {
1da177e4 296 if ((err = i2c_transfer(state->i2c, &msg, 1)) < 0) {
a427de6f 297 dprintk(verbose, DST_INFO, 1, "read_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)", err, len, ret[0]);
50b215a0 298 dst_error_recovery(state);
1da177e4
LT		 299 continue;
300 } else
301 break;
302 }
50b215a0 303 if (cnt >= 2) {
a427de6f 304 dprintk(verbose, DST_INFO, 1, "RDC 8820 RESET");
50b215a0
JS		 305 dst_error_bailout(state);
306
307 return -1;
308 }
a427de6f
MA		 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");
50b215a0 314
1da177e4
LT		 315 return 0;
316}
50b215a0 317EXPORT_SYMBOL(read_dst);
1da177e4 318
7d53421c 319static int dst_set_polarization(struct dst_state *state)
1da177e4 320{
7d53421c 321 switch (state->voltage) {
a427de6f
MA		 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;
7d53421c
MA		 332 }
333
334 return 0;
335}
336
337static int dst_set_freq(struct dst_state *state, u32 freq)
338{
1da177e4 339 state->frequency = freq;
a427de6f 340 dprintk(verbose, DST_INFO, 1, "set Frequency %u", freq);
1da177e4 341
1da177e4
LT		 342 if (state->dst_type == DST_TYPE_IS_SAT) {
343 freq = freq / 1000;
344 if (freq < 950 || freq > 2150)
345 return -EINVAL;
7d53421c
MA		 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 }
1da177e4
LT		 354 } else if (state->dst_type == DST_TYPE_IS_TERR) {
355 freq = freq / 1000;
356 if (freq < 137000 || freq > 858000)
357 return -EINVAL;
7d53421c
MA		 358 state->tx_tuna[2] = (freq >> 16) & 0xff;
359 state->tx_tuna[3] = (freq >> 8) & 0xff;
360 state->tx_tuna[4] = (u8) freq;
1da177e4 361 } else if (state->dst_type == DST_TYPE_IS_CABLE) {
62867429 362 freq = freq / 1000;
7d53421c
MA		 363 state->tx_tuna[2] = (freq >> 16) & 0xff;
364 state->tx_tuna[3] = (freq >> 8) & 0xff;
365 state->tx_tuna[4] = (u8) freq;
1da177e4
LT		 366 } else
367 return -EINVAL;
a427de6f 368
1da177e4
LT		 369 return 0;
370}
371
a427de6f 372static int dst_set_bandwidth(struct dst_state *state, fe_bandwidth_t bandwidth)
1da177e4 373{
1da177e4
LT		 374 state->bandwidth = bandwidth;
375
376 if (state->dst_type != DST_TYPE_IS_TERR)
377 return 0;
378
1da177e4 379 switch (bandwidth) {
a427de6f
MA		 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;
1da177e4 406 }
a427de6f 407
1da177e4
LT		 408 return 0;
409}
410
a427de6f 411static int dst_set_inversion(struct dst_state *state, fe_spectral_inversion_t inversion)
1da177e4 412{
1da177e4 413 state->inversion = inversion;
1da177e4 414 switch (inversion) {
a427de6f
MA		 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;
1da177e4 423 }
a427de6f 424
1da177e4
LT		 425 return 0;
426}
427
a427de6f 428static int dst_set_fec(struct dst_state *state, fe_code_rate_t fec)
1da177e4
LT		 429{
430 state->fec = fec;
431 return 0;
432}
433
a427de6f 434static fe_code_rate_t dst_get_fec(struct dst_state *state)
1da177e4
LT		 435{
436 return state->fec;
437}
438
a427de6f 439static int dst_set_symbolrate(struct dst_state *state, u32 srate)
1da177e4 440{
1da177e4
LT		 441 u32 symcalc;
442 u64 sval;
443
444 state->symbol_rate = srate;
1da177e4
LT		 445 if (state->dst_type == DST_TYPE_IS_TERR) {
446 return 0;
447 }
a427de6f 448 dprintk(verbose, DST_INFO, 1, "set symrate %u", srate);
1da177e4 449 srate /= 1000;
1da177e4
LT		 450 if (state->type_flags & DST_TYPE_HAS_SYMDIV) {
451 sval = srate;
452 sval <<= 20;
453 do_div(sval, 88000);
454 symcalc = (u32) sval;
a427de6f 455 dprintk(verbose, DST_INFO, 1, "set symcalc %u", symcalc);
f612c579
MA		 456 state->tx_tuna[5] = (u8) (symcalc >> 12);
457 state->tx_tuna[6] = (u8) (symcalc >> 4);
458 state->tx_tuna[7] = (u8) (symcalc << 4);
1da177e4 459 } else {
f612c579
MA		 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;
1da177e4 468 }
1da177e4
LT		 469 return 0;
470}
471
7d53421c
MA		 472
473static 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) {
a427de6f
MA		 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;
7d53421c
MA		 501
502 }
503
504 return 0;
505}
506
507static fe_modulation_t dst_get_modulation(struct dst_state *state)
508{
509 return state->modulation;
510}
511
512
a427de6f 513u8 dst_check_sum(u8 *buf, u32 len)
1da177e4
LT		 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}
50b215a0 524EXPORT_SYMBOL(dst_check_sum);
1da177e4
LT		 525
526static void dst_type_flags_print(u32 type_flags)
527{
a427de6f 528 dprintk(verbose, DST_ERROR, 0, "DST type flags :");
1da177e4 529 if (type_flags & DST_TYPE_HAS_NEWTUNE)
a427de6f 530 dprintk(verbose, DST_ERROR, 0, " 0x%x newtuner", DST_TYPE_HAS_NEWTUNE);
1da177e4 531 if (type_flags & DST_TYPE_HAS_TS204)
a427de6f 532 dprintk(verbose, DST_ERROR, 0, " 0x%x ts204", DST_TYPE_HAS_TS204);
1da177e4 533 if (type_flags & DST_TYPE_HAS_SYMDIV)
a427de6f 534 dprintk(verbose, DST_ERROR, 0, " 0x%x symdiv", DST_TYPE_HAS_SYMDIV);
50b215a0 535 if (type_flags & DST_TYPE_HAS_FW_1)
a427de6f 536 dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 1", DST_TYPE_HAS_FW_1);
50b215a0 537 if (type_flags & DST_TYPE_HAS_FW_2)
a427de6f 538 dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 2", DST_TYPE_HAS_FW_2);
50b215a0 539 if (type_flags & DST_TYPE_HAS_FW_3)
a427de6f
MA		 540 dprintk(verbose, DST_ERROR, 0, " 0x%x firmware version = 3", DST_TYPE_HAS_FW_3);
541 dprintk(verbose, DST_ERROR, 0, "\n");
1da177e4
LT		 542}
543
50b215a0 544
a427de6f 545static int dst_type_print(u8 type)
1da177e4
LT		 546{
547 char *otype;
548 switch (type) {
549 case DST_TYPE_IS_SAT:
550 otype = "satellite";
551 break;
50b215a0 552
1da177e4
LT		 553 case DST_TYPE_IS_TERR:
554 otype = "terrestrial";
555 break;
50b215a0 556
1da177e4
LT		 557 case DST_TYPE_IS_CABLE:
558 otype = "cable";
559 break;
50b215a0 560
1da177e4 561 default:
a427de6f 562 dprintk(verbose, DST_INFO, 1, "invalid dst type %d", type);
1da177e4
LT		 563 return -EINVAL;
564 }
a427de6f 565 dprintk(verbose, DST_INFO, 1, "DST type: %s", otype);
50b215a0 566
1da177e4
LT		 567 return 0;
568}
569
50b215a0
JS		 570/*
571 Known cards list
572 Satellite
573 -------------------
e6ac699a 574 200103A
50b215a0
JS		 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
605struct dst_types dst_tlist[] = {
e6ac699a
JS		 606 {
607 .device_id = "200103A",
608 .offset = 0,
609 .dst_type = DST_TYPE_IS_SAT,
7d53421c 610 .type_flags = DST_TYPE_HAS_SYMDIV | DST_TYPE_HAS_FW_1 | DST_TYPE_HAS_OBS_REGS,
e6ac699a
JS		 611 .dst_feature = 0
612 }, /* obsolete */
613
50b215a0
JS		 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
8385e46f 653 }, /* An OEM board */
50b215a0
JS		 654
655 {
656 .device_id = "DSTMCI",
657 .offset = 1,
658 .dst_type = DST_TYPE_IS_SAT,
7d53421c 659 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_2 | DST_TYPE_HAS_FW_BUILD | DST_TYPE_HAS_INC_COUNT,
50b215a0
JS		 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,
8385e46f 676 .type_flags = DST_TYPE_HAS_TS204 | DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_1
62121b1f 677 | DST_TYPE_HAS_FW_2,
50b215a0
JS		 678 .dst_feature = DST_TYPE_HAS_CA
679 },
680
681 {
682 .device_id = "DCTNEW",
683 .offset = 1,
684 .dst_type = DST_TYPE_IS_CABLE,
62121b1f 685 .type_flags = DST_TYPE_HAS_NEWTUNE | DST_TYPE_HAS_FW_3 | DST_TYPE_HAS_FW_BUILD,
50b215a0
JS		 686 .dst_feature = 0
687 },
688
689 {
690 .device_id = "DTT-CI",
691 .offset = 1,
692 .dst_type = DST_TYPE_IS_TERR,
29b2f784
MA		 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
50b215a0
JS		 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
62121b1f
MA		 733static 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
750static 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
769static 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
784static 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}
50b215a0 798
29b2f784
MA		 799static 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
50b215a0 849static int dst_get_device_id(struct dst_state *state)
1da177e4 850{
50b215a0
JS		 851 u8 reply;
852
1da177e4 853 int i;
50b215a0
JS		 854 struct dst_types *p_dst_type;
855 u8 use_dst_type = 0;
856 u32 use_type_flags = 0;
1da177e4 857
50b215a0 858 static u8 device_type[8] = {0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff};
1da177e4 859
50b215a0
JS		 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 */
50b215a0
JS		 864 if ((dst_pio_disable(state)) < 0)
865 return -1;
50b215a0
JS		 866 if (read_dst(state, &reply, GET_ACK))
867 return -1; /* Read failure */
50b215a0 868 if (reply != ACK) {
a427de6f 869 dprintk(verbose, DST_INFO, 1, "Write not Acknowledged! [Reply=0x%02x]", reply);
50b215a0 870 return -1; /* Unack'd write */
1da177e4 871 }
50b215a0
JS		 872 if (!dst_wait_dst_ready(state, DEVICE_INIT))
873 return -1; /* DST not ready yet */
50b215a0
JS		 874 if (read_dst(state, state->rxbuffer, FIXED_COMM))
875 return -1;
876
877 dst_pio_disable(state);
50b215a0 878 if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
a427de6f 879 dprintk(verbose, DST_INFO, 1, "Checksum failure!");
50b215a0 880 return -1; /* Checksum failure */
1da177e4 881 }
50b215a0
JS		 882 state->rxbuffer[7] = '\0';
883
a427de6f 884 for (i = 0, p_dst_type = dst_tlist; i < ARRAY_SIZE(dst_tlist); i++, p_dst_type++) {
50b215a0
JS		 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;
a427de6f 891 dprintk(verbose, DST_ERROR, 1, "Recognise [%s]\n", p_dst_type->device_id);
50b215a0 892
1da177e4
LT		 893 break;
894 }
895 }
50b215a0
JS		 896
897 if (i >= sizeof (dst_tlist) / sizeof (dst_tlist [0])) {
a427de6f
MA		 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");
1da177e4
LT		 900 use_dst_type = DST_TYPE_IS_SAT;
901 use_type_flags = DST_TYPE_HAS_SYMDIV;
902 }
50b215a0 903 dst_type_print(use_dst_type);
1da177e4
LT		 904 state->type_flags = use_type_flags;
905 state->dst_type = use_dst_type;
906 dst_type_flags_print(state->type_flags);
907
1da177e4
LT		 908 return 0;
909}
910
50b215a0
JS		 911static int dst_probe(struct dst_state *state)
912{
d28d5762 913 sema_init(&state->dst_mutex, 1);
50b215a0 914 if ((rdc_8820_reset(state)) < 0) {
a427de6f 915 dprintk(verbose, DST_ERROR, 1, "RDC 8820 RESET Failed.");
50b215a0
JS		 916 return -1;
917 }
4a2cc126
JS		 918 if (dst_addons & DST_TYPE_HAS_CA)
919 msleep(4000);
920 else
921 msleep(100);
922
50b215a0 923 if ((dst_comm_init(state)) < 0) {
a427de6f 924 dprintk(verbose, DST_ERROR, 1, "DST Initialization Failed.");
50b215a0
JS		 925 return -1;
926 }
8385e46f 927 msleep(100);
50b215a0 928 if (dst_get_device_id(state) < 0) {
a427de6f 929 dprintk(verbose, DST_ERROR, 1, "unknown device.");
50b215a0
JS		 930 return -1;
931 }
62121b1f
MA		 932 if (dst_get_mac(state) < 0) {
933 dprintk(verbose, DST_INFO, 1, "MAC: Unsupported command");
934 return 0;
935 }
29b2f784
MA		 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 }
4c09aa72
MA		 940 if (state->type_flags & DST_TYPE_HAS_TS204) {
941 dst_packsize(state, 204);
942 }
62121b1f
MA		 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 }
50b215a0
JS		 957
958 return 0;
959}
960
a427de6f 961int dst_command(struct dst_state *state, u8 *data, u8 len)
1da177e4 962{
1da177e4 963 u8 reply;
d28d5762
MA		 964
965 down(&state->dst_mutex);
50b215a0 966 if ((dst_comm_init(state)) < 0) {
a427de6f 967 dprintk(verbose, DST_NOTICE, 1, "DST Communication Initialization Failed.");
d28d5762 968 goto error;
50b215a0 969 }
50b215a0 970 if (write_dst(state, data, len)) {
a427de6f 971 dprintk(verbose, DST_INFO, 1, "Tring to recover.. ");
50b215a0 972 if ((dst_error_recovery(state)) < 0) {
a427de6f 973 dprintk(verbose, DST_ERROR, 1, "Recovery Failed.");
d28d5762 974 goto error;
50b215a0 975 }
d28d5762 976 goto error;
1da177e4 977 }
50b215a0 978 if ((dst_pio_disable(state)) < 0) {
a427de6f 979 dprintk(verbose, DST_ERROR, 1, "PIO Disable Failed.");
d28d5762 980 goto error;
1da177e4 981 }
8385e46f
JS		 982 if (state->type_flags & DST_TYPE_HAS_FW_1)
983 udelay(3000);
50b215a0 984 if (read_dst(state, &reply, GET_ACK)) {
a427de6f 985 dprintk(verbose, DST_DEBUG, 1, "Trying to recover.. ");
50b215a0 986 if ((dst_error_recovery(state)) < 0) {
a427de6f 987 dprintk(verbose, DST_INFO, 1, "Recovery Failed.");
d28d5762 988 goto error;
50b215a0 989 }
d28d5762 990 goto error;
50b215a0 991 }
50b215a0 992 if (reply != ACK) {
a427de6f 993 dprintk(verbose, DST_INFO, 1, "write not acknowledged 0x%02x ", reply);
d28d5762 994 goto error;
1da177e4
LT		 995 }
996 if (len >= 2 && data[0] == 0 && (data[1] == 1 || data[1] == 3))
d28d5762 997 goto error;
8385e46f
JS		 998 if (state->type_flags & DST_TYPE_HAS_FW_1)
999 udelay(3000);
1000 else
1001 udelay(2000);
50b215a0 1002 if (!dst_wait_dst_ready(state, NO_DELAY))
d28d5762 1003 goto error;
50b215a0 1004 if (read_dst(state, state->rxbuffer, FIXED_COMM)) {
a427de6f 1005 dprintk(verbose, DST_DEBUG, 1, "Trying to recover.. ");
50b215a0 1006 if ((dst_error_recovery(state)) < 0) {
a427de6f 1007 dprintk(verbose, DST_INFO, 1, "Recovery failed.");
d28d5762 1008 goto error;
50b215a0 1009 }
d28d5762 1010 goto error;
1da177e4
LT		 1011 }
1012 if (state->rxbuffer[7] != dst_check_sum(state->rxbuffer, 7)) {
a427de6f 1013 dprintk(verbose, DST_INFO, 1, "checksum failure");
d28d5762 1014 goto error;
1da177e4 1015 }
d28d5762 1016 up(&state->dst_mutex);
1da177e4 1017 return 0;
d28d5762
MA		 1018
1019error:
1020 up(&state->dst_mutex);
1021 return -EIO;
1022
1da177e4 1023}
50b215a0 1024EXPORT_SYMBOL(dst_command);
1da177e4 1025
a427de6f 1026static int dst_get_signal(struct dst_state *state)
1da177e4
LT		 1027{
1028 int retval;
1029 u8 get_signal[] = { 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfb };
5b5b5345 1030 //dprintk("%s: Getting Signal strength and other parameters\n", __FUNCTION__);
1da177e4
LT		 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
a427de6f 1057static int dst_tone_power_cmd(struct dst_state *state)
1da177e4
LT		 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;
8f6da8f1 1063 paket[4] = state->tx_tuna[4];
86360a3e 1064 paket[2] = state->tx_tuna[2];
203fe8b3 1065 paket[3] = state->tx_tuna[3];
50b215a0 1066 paket[7] = dst_check_sum (paket, 7);
1da177e4 1067 dst_command(state, paket, 8);
203fe8b3 1068
1da177e4
LT		 1069 return 0;
1070}
1071
a427de6f 1072static int dst_get_tuna(struct dst_state *state)
1da177e4
LT		 1073{
1074 int retval;
50b215a0 1075
1da177e4
LT		 1076 if ((state->diseq_flags & ATTEMPT_TUNE) == 0)
1077 return 0;
1078 state->diseq_flags &= ~(HAS_LOCK);
50b215a0 1079 if (!dst_wait_dst_ready(state, NO_DELAY))
f1016dec 1080 return -EIO;
a427de6f 1081 if (state->type_flags & DST_TYPE_HAS_NEWTUNE)
1da177e4
LT		 1082 /* how to get variable length reply ???? */
1083 retval = read_dst(state, state->rx_tuna, 10);
a427de6f 1084 else
50b215a0 1085 retval = read_dst(state, &state->rx_tuna[2], FIXED_COMM);
1da177e4 1086 if (retval < 0) {
a427de6f 1087 dprintk(verbose, DST_DEBUG, 1, "read not successful");
f1016dec 1088 return retval;
1da177e4
LT		 1089 }
1090 if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
1091 if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[0], 9)) {
a427de6f 1092 dprintk(verbose, DST_INFO, 1, "checksum failure ? ");
f1016dec 1093 return -EIO;
1da177e4
LT		 1094 }
1095 } else {
1096 if (state->rx_tuna[9] != dst_check_sum(&state->rx_tuna[2], 7)) {
a427de6f 1097 dprintk(verbose, DST_INFO, 1, "checksum failure? ");
f1016dec 1098 return -EIO;
1da177e4
LT		 1099 }
1100 }
1101 if (state->rx_tuna[2] == 0 && state->rx_tuna[3] == 0)
1102 return 0;
f5648e8a
TH		 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;
1da177e4 1109 state->decode_lock = 1;
1da177e4 1110 state->diseq_flags |= HAS_LOCK;
7d53421c 1111
1da177e4
LT		 1112 return 1;
1113}
1114
a427de6f 1115static int dst_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage);
1da177e4 1116
a427de6f 1117static int dst_write_tuna(struct dvb_frontend *fe)
1da177e4 1118{
a427de6f 1119 struct dst_state *state = fe->demodulator_priv;
1da177e4
LT		 1120 int retval;
1121 u8 reply;
1122
a427de6f 1123 dprintk(verbose, DST_INFO, 1, "type_flags 0x%x ", state->type_flags);
1da177e4
LT		 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);
f1016dec 1131 down(&state->dst_mutex);
50b215a0 1132 if ((dst_comm_init(state)) < 0) {
a427de6f 1133 dprintk(verbose, DST_DEBUG, 1, "DST Communication initialization failed.");
f1016dec 1134 goto error;
50b215a0 1135 }
1da177e4 1136 if (state->type_flags & DST_TYPE_HAS_NEWTUNE) {
1da177e4
LT		 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);
50b215a0 1141 retval = write_dst(state, &state->tx_tuna[2], FIXED_COMM);
1da177e4
LT		 1142 }
1143 if (retval < 0) {
50b215a0 1144 dst_pio_disable(state);
a427de6f 1145 dprintk(verbose, DST_DEBUG, 1, "write not successful");
f1016dec 1146 goto werr;
1da177e4 1147 }
50b215a0 1148 if ((dst_pio_disable(state)) < 0) {
a427de6f 1149 dprintk(verbose, DST_DEBUG, 1, "DST PIO disable failed !");
f1016dec 1150 goto error;
50b215a0 1151 }
50b215a0 1152 if ((read_dst(state, &reply, GET_ACK) < 0)) {
a427de6f 1153 dprintk(verbose, DST_DEBUG, 1, "read verify not successful.");
f1016dec 1154 goto error;
1da177e4 1155 }
50b215a0 1156 if (reply != ACK) {
a427de6f 1157 dprintk(verbose, DST_DEBUG, 1, "write not acknowledged 0x%02x ", reply);
f1016dec 1158 goto error;
1da177e4
LT		 1159 }
1160 state->diseq_flags |= ATTEMPT_TUNE;
f1016dec
HS		 1161 retval = dst_get_tuna(state);
1162werr:
1163 up(&state->dst_mutex);
1164 return retval;
50b215a0 1165
f1016dec
HS		 1166error:
1167 up(&state->dst_mutex);
1168 return -EIO;
1da177e4
LT		 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
a427de6f 1185static int dst_set_diseqc(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd *cmd)
1da177e4 1186{
a427de6f 1187 struct dst_state *state = fe->demodulator_priv;
1da177e4
LT		 1188 u8 paket[8] = { 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec };
1189
226d97ec 1190 if (state->dst_type != DST_TYPE_IS_SAT)
1da177e4 1191 return 0;
1da177e4
LT		 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
a427de6f 1200static int dst_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
1da177e4 1201{
1da177e4 1202 int need_cmd;
a427de6f 1203 struct dst_state *state = fe->demodulator_priv;
1da177e4
LT		 1204
1205 state->voltage = voltage;
226d97ec 1206 if (state->dst_type != DST_TYPE_IS_SAT)
1da177e4
LT		 1207 return 0;
1208
1209 need_cmd = 0;
50b215a0 1210
a427de6f
MA		 1211 switch (voltage) {
1212 case SEC_VOLTAGE_13:
1213 case SEC_VOLTAGE_18:
1214 if ((state->diseq_flags & HAS_POWER) == 0)
1da177e4 1215 need_cmd = 1;
a427de6f
MA		 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;
1da177e4 1226 }
a427de6f 1227
50b215a0 1228 if (need_cmd)
1da177e4 1229 dst_tone_power_cmd(state);
50b215a0 1230
1da177e4
LT		 1231 return 0;
1232}
1233
a427de6f 1234static int dst_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
1da177e4 1235{
a427de6f 1236 struct dst_state *state = fe->demodulator_priv;
1da177e4
LT		 1237
1238 state->tone = tone;
226d97ec 1239 if (state->dst_type != DST_TYPE_IS_SAT)
1da177e4
LT		 1240 return 0;
1241
1da177e4 1242 switch (tone) {
a427de6f
MA		 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;
50b215a0 1249
a427de6f
MA		 1250 case SEC_TONE_ON:
1251 state->tx_tuna[2] = 0x02;
1252 break;
1253 default:
1254 return -EINVAL;
1da177e4
LT		 1255 }
1256 dst_tone_power_cmd(state);
50b215a0 1257
1da177e4
LT		 1258 return 0;
1259}
1260
203fe8b3
MA		 1261static int dst_send_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t minicmd)
1262{
1263 struct dst_state *state = fe->demodulator_priv;
1264
226d97ec 1265 if (state->dst_type != DST_TYPE_IS_SAT)
203fe8b3 1266 return 0;
203fe8b3 1267 state->minicmd = minicmd;
203fe8b3 1268 switch (minicmd) {
a427de6f
MA		 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;
203fe8b3
MA		 1275 }
1276 dst_tone_power_cmd(state);
1277
1278 return 0;
1279}
1280
1281
a427de6f 1282static int dst_init(struct dvb_frontend *fe)
1da177e4 1283{
a427de6f
MA		 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
7d53421c 1293 state->inversion = INVERSION_OFF;
1da177e4
LT		 1294 state->voltage = SEC_VOLTAGE_13;
1295 state->tone = SEC_TONE_OFF;
1da177e4
LT		 1296 state->diseq_flags = 0;
1297 state->k22 = 0x02;
1298 state->bandwidth = BANDWIDTH_7_MHZ;
1299 state->cur_jiff = jiffies;
a427de6f
MA		 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));
1da177e4
LT		 1306
1307 return 0;
1308}
1309
a427de6f 1310static int dst_read_status(struct dvb_frontend *fe, fe_status_t *status)
1da177e4 1311{
a427de6f 1312 struct dst_state *state = fe->demodulator_priv;
1da177e4
LT		 1313
1314 *status = 0;
1315 if (state->diseq_flags & HAS_LOCK) {
7d53421c 1316// dst_get_signal(state); // don't require(?) to ask MCU
1da177e4
LT		 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
a427de6f 1324static int dst_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
1da177e4 1325{
a427de6f 1326 struct dst_state *state = fe->demodulator_priv;
1da177e4
LT		 1327
1328 dst_get_signal(state);
1329 *strength = state->decode_strength;
1330
1331 return 0;
1332}
1333
a427de6f 1334static int dst_read_snr(struct dvb_frontend *fe, u16 *snr)
1da177e4 1335{
a427de6f 1336 struct dst_state *state = fe->demodulator_priv;
1da177e4
LT		 1337
1338 dst_get_signal(state);
1339 *snr = state->decode_snr;
1340
1341 return 0;
1342}
1343
a427de6f 1344static int dst_set_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
1da177e4 1345{
a427de6f 1346 struct dst_state *state = fe->demodulator_priv;
1da177e4
LT		 1347
1348 dst_set_freq(state, p->frequency);
a427de6f 1349 dprintk(verbose, DST_DEBUG, 1, "Set Frequency=[%d]", p->frequency);
50b215a0 1350
1da177e4 1351 if (state->dst_type == DST_TYPE_IS_SAT) {
7d53421c
MA		 1352 if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1353 dst_set_inversion(state, p->inversion);
1da177e4
LT		 1354 dst_set_fec(state, p->u.qpsk.fec_inner);
1355 dst_set_symbolrate(state, p->u.qpsk.symbol_rate);
7d53421c 1356 dst_set_polarization(state);
a427de6f 1357 dprintk(verbose, DST_DEBUG, 1, "Set Symbolrate=[%d]", p->u.qpsk.symbol_rate);
50b215a0 1358
a427de6f 1359 } else if (state->dst_type == DST_TYPE_IS_TERR)
1da177e4 1360 dst_set_bandwidth(state, p->u.ofdm.bandwidth);
a427de6f 1361 else if (state->dst_type == DST_TYPE_IS_CABLE) {
1da177e4
LT		 1362 dst_set_fec(state, p->u.qam.fec_inner);
1363 dst_set_symbolrate(state, p->u.qam.symbol_rate);
7d53421c 1364 dst_set_modulation(state, p->u.qam.modulation);
1da177e4
LT		 1365 }
1366 dst_write_tuna(fe);
1367
1368 return 0;
1369}
1370
a427de6f 1371static int dst_get_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
1da177e4 1372{
a427de6f 1373 struct dst_state *state = fe->demodulator_priv;
1da177e4
LT		 1374
1375 p->frequency = state->decode_freq;
1da177e4 1376 if (state->dst_type == DST_TYPE_IS_SAT) {
7d53421c
MA		 1377 if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
1378 p->inversion = state->inversion;
1da177e4
LT		 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);
7d53421c 1386 p->u.qam.modulation = dst_get_modulation(state);
1da177e4
LT		 1387 }
1388
1389 return 0;
1390}
1391
a427de6f 1392static void dst_release(struct dvb_frontend *fe)
1da177e4 1393{
a427de6f 1394 struct dst_state *state = fe->demodulator_priv;
1da177e4
LT		 1395 kfree(state);
1396}
1397
1398static struct dvb_frontend_ops dst_dvbt_ops;
1399static struct dvb_frontend_ops dst_dvbs_ops;
1400static struct dvb_frontend_ops dst_dvbc_ops;
1401
a427de6f 1402struct dst_state *dst_attach(struct dst_state *state, struct dvb_adapter *dvb_adapter)
1da177e4 1403{
50b215a0
JS		 1404 /* check if the ASIC is there */
1405 if (dst_probe(state) < 0) {
2ea75330 1406 kfree(state);
50b215a0
JS		 1407 return NULL;
1408 }
1da177e4
LT		 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:
a427de6f 1421 dprintk(verbose, DST_ERROR, 1, "unknown DST type. please report to the LinuxTV.org DVB mailinglist.");
2ea75330 1422 kfree(state);
50b215a0 1423 return NULL;
1da177e4
LT		 1424 }
1425
1426 /* create dvb_frontend */
1427 state->frontend.ops = &state->ops;
1428 state->frontend.demodulator_priv = state;
1da177e4 1429
50b215a0 1430 return state; /* Manu (DST is a card not a frontend) */
1da177e4
LT		 1431}
1432
50b215a0
JS		 1433EXPORT_SYMBOL(dst_attach);
1434
1da177e4
LT		 1435static 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,
1da177e4 1447 .init = dst_init,
1da177e4
LT		 1448 .set_frontend = dst_set_frontend,
1449 .get_frontend = dst_get_frontend,
1da177e4
LT		 1450 .read_status = dst_read_status,
1451 .read_signal_strength = dst_read_signal_strength,
1452 .read_snr = dst_read_snr,
1453};
1454
1455static 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,
1da177e4 1471 .init = dst_init,
1da177e4
LT		 1472 .set_frontend = dst_set_frontend,
1473 .get_frontend = dst_get_frontend,
1da177e4
LT		 1474 .read_status = dst_read_status,
1475 .read_signal_strength = dst_read_signal_strength,
1476 .read_snr = dst_read_snr,
203fe8b3 1477 .diseqc_send_burst = dst_send_burst,
1da177e4
LT		 1478 .diseqc_send_master_cmd = dst_set_diseqc,
1479 .set_voltage = dst_set_voltage,
1480 .set_tone = dst_set_tone,
1481};
1482
1483static 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,
1da177e4 1498 .init = dst_init,
1da177e4
LT		 1499 .set_frontend = dst_set_frontend,
1500 .get_frontend = dst_get_frontend,
1da177e4
LT		 1501 .read_status = dst_read_status,
1502 .read_signal_strength = dst_read_signal_strength,
1503 .read_snr = dst_read_snr,
1504};
1505
1506MODULE_DESCRIPTION("DST DVB-S/T/C Combo Frontend driver");
50b215a0 1507MODULE_AUTHOR("Jamie Honan, Manu Abraham");
1da177e4 1508MODULE_LICENSE("GPL");
Linux 6.x block layer and io_uring tree(s)