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[mirror_ubuntu-bionic-kernel.git] / drivers / media / dvb-frontends / stv0900_core.c
CommitLineData
99277b38
IL		 1/*
2 * stv0900_core.c
3 *
4 * Driver for ST STV0900 satellite demodulator IC.
5 *
6 * Copyright (C) ST Microelectronics.
7 * Copyright (C) 2009 NetUP Inc.
8 * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 *
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 */
25
26#include <linux/kernel.h>
27#include <linux/module.h>
28#include <linux/string.h>
29#include <linux/slab.h>
30#include <linux/i2c.h>
31
32#include "stv0900.h"
33#include "stv0900_reg.h"
34#include "stv0900_priv.h"
35#include "stv0900_init.h"
36
8171c205 37int stvdebug = 1;
5a771cb1 38module_param_named(debug, stvdebug, int, 0644);
99277b38
IL		 39
40/* internal params node */
41struct stv0900_inode {
42 /* pointer for internal params, one for each pair of demods */
43 struct stv0900_internal *internal;
44 struct stv0900_inode *next_inode;
45};
46
47/* first internal params */
48static struct stv0900_inode *stv0900_first_inode;
49
50/* find chip by i2c adapter and i2c address */
51static struct stv0900_inode *find_inode(struct i2c_adapter *i2c_adap,
52 u8 i2c_addr)
53{
54 struct stv0900_inode *temp_chip = stv0900_first_inode;
55
56 if (temp_chip != NULL) {
57 /*
58 Search of the last stv0900 chip or
59 find it by i2c adapter and i2c address */
60 while ((temp_chip != NULL) &&
61 ((temp_chip->internal->i2c_adap != i2c_adap) ||
78175bf2 62 (temp_chip->internal->i2c_addr != i2c_addr)))
99277b38
IL		 63
64 temp_chip = temp_chip->next_inode;
78175bf2 65
99277b38
IL		 66 }
67
68 return temp_chip;
69}
70
71/* deallocating chip */
72static void remove_inode(struct stv0900_internal *internal)
73{
74 struct stv0900_inode *prev_node = stv0900_first_inode;
75 struct stv0900_inode *del_node = find_inode(internal->i2c_adap,
76 internal->i2c_addr);
77
78 if (del_node != NULL) {
79 if (del_node == stv0900_first_inode) {
80 stv0900_first_inode = del_node->next_inode;
81 } else {
82 while (prev_node->next_inode != del_node)
83 prev_node = prev_node->next_inode;
84
85 if (del_node->next_inode == NULL)
86 prev_node->next_inode = NULL;
87 else
88 prev_node->next_inode =
89 prev_node->next_inode->next_inode;
90 }
91
92 kfree(del_node);
93 }
94}
95
96/* allocating new chip */
97static struct stv0900_inode *append_internal(struct stv0900_internal *internal)
98{
99 struct stv0900_inode *new_node = stv0900_first_inode;
100
101 if (new_node == NULL) {
102 new_node = kmalloc(sizeof(struct stv0900_inode), GFP_KERNEL);
103 stv0900_first_inode = new_node;
104 } else {
105 while (new_node->next_inode != NULL)
106 new_node = new_node->next_inode;
107
1e0c397d
IL		 108 new_node->next_inode = kmalloc(sizeof(struct stv0900_inode),
109 GFP_KERNEL);
99277b38
IL		 110 if (new_node->next_inode != NULL)
111 new_node = new_node->next_inode;
112 else
113 new_node = NULL;
114 }
115
116 if (new_node != NULL) {
117 new_node->internal = internal;
118 new_node->next_inode = NULL;
119 }
120
121 return new_node;
122}
123
124s32 ge2comp(s32 a, s32 width)
125{
126 if (width == 32)
127 return a;
128 else
129 return (a >= (1 << (width - 1))) ? (a - (1 << width)) : a;
130}
131
1e0c397d 132void stv0900_write_reg(struct stv0900_internal *intp, u16 reg_addr,
99277b38
IL		 133 u8 reg_data)
134{
135 u8 data[3];
136 int ret;
137 struct i2c_msg i2cmsg = {
1e0c397d 138 .addr = intp->i2c_addr,
99277b38
IL		 139 .flags = 0,
140 .len = 3,
141 .buf = data,
142 };
143
144 data[0] = MSB(reg_addr);
145 data[1] = LSB(reg_addr);
146 data[2] = reg_data;
147
1e0c397d 148 ret = i2c_transfer(intp->i2c_adap, &i2cmsg, 1);
99277b38 149 if (ret != 1)
8171c205 150 dprintk("%s: i2c error %d\n", __func__, ret);
99277b38
IL		 151}
152
1e0c397d 153u8 stv0900_read_reg(struct stv0900_internal *intp, u16 reg)
99277b38 154{
99277b38 155 int ret;
68191ede
AO		 156 u8 b0[] = { MSB(reg), LSB(reg) };
157 u8 buf = 0;
158 struct i2c_msg msg[] = {
159 {
1e0c397d 160 .addr = intp->i2c_addr,
68191ede
AO		 161 .flags = 0,
162 .buf = b0,
163 .len = 2,
164 }, {
1e0c397d 165 .addr = intp->i2c_addr,
68191ede
AO		 166 .flags = I2C_M_RD,
167 .buf = &buf,
168 .len = 1,
169 },
99277b38
IL		 170 };
171
1e0c397d 172 ret = i2c_transfer(intp->i2c_adap, msg, 2);
68191ede 173 if (ret != 2)
8171c205 174 dprintk("%s: i2c error %d, reg[0x%02x]\n",
68191ede 175 __func__, ret, reg);
99277b38 176
68191ede 177 return buf;
99277b38
IL		 178}
179
936c05e7 180static void extract_mask_pos(u32 label, u8 *mask, u8 *pos)
99277b38
IL		 181{
182 u8 position = 0, i = 0;
183
184 (*mask) = label & 0xff;
185
186 while ((position == 0) && (i < 8)) {
187 position = ((*mask) >> i) & 0x01;
188 i++;
189 }
190
191 (*pos) = (i - 1);
192}
193
1e0c397d 194void stv0900_write_bits(struct stv0900_internal *intp, u32 label, u8 val)
99277b38
IL		 195{
196 u8 reg, mask, pos;
197
1e0c397d 198 reg = stv0900_read_reg(intp, (label >> 16) & 0xffff);
99277b38
IL		 199 extract_mask_pos(label, &mask, &pos);
200
201 val = mask & (val << pos);
202
203 reg = (reg & (~mask)) | val;
1e0c397d 204 stv0900_write_reg(intp, (label >> 16) & 0xffff, reg);
99277b38
IL		 205
206}
207
1e0c397d 208u8 stv0900_get_bits(struct stv0900_internal *intp, u32 label)
99277b38
IL		 209{
210 u8 val = 0xff;
211 u8 mask, pos;
212
213 extract_mask_pos(label, &mask, &pos);
214
1e0c397d 215 val = stv0900_read_reg(intp, label >> 16);
99277b38
IL		 216 val = (val & mask) >> pos;
217
218 return val;
219}
220
936c05e7 221static enum fe_stv0900_error stv0900_initialize(struct stv0900_internal *intp)
99277b38
IL		 222{
223 s32 i;
99277b38 224
1e0c397d
IL		 225 if (intp == NULL)
226 return STV0900_INVALID_HANDLE;
99277b38 227
1e0c397d 228 intp->chip_id = stv0900_read_reg(intp, R0900_MID);
99277b38 229
1e0c397d
IL		 230 if (intp->errs != STV0900_NO_ERROR)
231 return intp->errs;
99277b38 232
1e0c397d
IL		 233 /*Startup sequence*/
234 stv0900_write_reg(intp, R0900_P1_DMDISTATE, 0x5c);
235 stv0900_write_reg(intp, R0900_P2_DMDISTATE, 0x5c);
236 msleep(3);
237 stv0900_write_reg(intp, R0900_P1_TNRCFG, 0x6c);
238 stv0900_write_reg(intp, R0900_P2_TNRCFG, 0x6f);
239 stv0900_write_reg(intp, R0900_P1_I2CRPT, 0x20);
240 stv0900_write_reg(intp, R0900_P2_I2CRPT, 0x20);
241 stv0900_write_reg(intp, R0900_NCOARSE, 0x13);
242 msleep(3);
243 stv0900_write_reg(intp, R0900_I2CCFG, 0x08);
244
245 switch (intp->clkmode) {
246 case 0:
247 case 2:
248 stv0900_write_reg(intp, R0900_SYNTCTRL, 0x20
249 | intp->clkmode);
250 break;
251 default:
252 /* preserve SELOSCI bit */
253 i = 0x02 & stv0900_read_reg(intp, R0900_SYNTCTRL);
254 stv0900_write_reg(intp, R0900_SYNTCTRL, 0x20 | i);
255 break;
256 }
257
258 msleep(3);
259 for (i = 0; i < 181; i++)
260 stv0900_write_reg(intp, STV0900_InitVal[i][0],
261 STV0900_InitVal[i][1]);
99277b38 262
1e0c397d
IL		 263 if (stv0900_read_reg(intp, R0900_MID) >= 0x20) {
264 stv0900_write_reg(intp, R0900_TSGENERAL, 0x0c);
265 for (i = 0; i < 32; i++)
266 stv0900_write_reg(intp, STV0900_Cut20_AddOnVal[i][0],
267 STV0900_Cut20_AddOnVal[i][1]);
268 }
269
270 stv0900_write_reg(intp, R0900_P1_FSPYCFG, 0x6c);
271 stv0900_write_reg(intp, R0900_P2_FSPYCFG, 0x6c);
272
273 stv0900_write_reg(intp, R0900_P1_PDELCTRL2, 0x01);
274 stv0900_write_reg(intp, R0900_P2_PDELCTRL2, 0x21);
275
276 stv0900_write_reg(intp, R0900_P1_PDELCTRL3, 0x20);
277 stv0900_write_reg(intp, R0900_P2_PDELCTRL3, 0x20);
278
279 stv0900_write_reg(intp, R0900_TSTRES0, 0x80);
280 stv0900_write_reg(intp, R0900_TSTRES0, 0x00);
281
282 return STV0900_NO_ERROR;
99277b38
IL		 283}
284
936c05e7 285static u32 stv0900_get_mclk_freq(struct stv0900_internal *intp, u32 ext_clk)
99277b38
IL		 286{
287 u32 mclk = 90000000, div = 0, ad_div = 0;
288
1e0c397d
IL		 289 div = stv0900_get_bits(intp, F0900_M_DIV);
290 ad_div = ((stv0900_get_bits(intp, F0900_SELX1RATIO) == 1) ? 4 : 6);
99277b38
IL		 291
292 mclk = (div + 1) * ext_clk / ad_div;
293
8171c205 294 dprintk("%s: Calculated Mclk = %d\n", __func__, mclk);
99277b38
IL		 295
296 return mclk;
297}
298
936c05e7 299static enum fe_stv0900_error stv0900_set_mclk(struct stv0900_internal *intp, u32 mclk)
99277b38 300{
99277b38
IL		 301 u32 m_div, clk_sel;
302
8171c205 303 dprintk("%s: Mclk set to %d, Quartz = %d\n", __func__, mclk,
1e0c397d 304 intp->quartz);
99277b38 305
1e0c397d
IL		 306 if (intp == NULL)
307 return STV0900_INVALID_HANDLE;
99277b38 308
1e0c397d
IL		 309 if (intp->errs)
310 return STV0900_I2C_ERROR;
311
312 clk_sel = ((stv0900_get_bits(intp, F0900_SELX1RATIO) == 1) ? 4 : 6);
313 m_div = ((clk_sel * mclk) / intp->quartz) - 1;
314 stv0900_write_bits(intp, F0900_M_DIV, m_div);
315 intp->mclk = stv0900_get_mclk_freq(intp,
316 intp->quartz);
317
318 /*Set the DiseqC frequency to 22KHz */
319 /*
320 Formula:
321 DiseqC_TX_Freq= MasterClock/(32*F22TX_Reg)
322 DiseqC_RX_Freq= MasterClock/(32*F22RX_Reg)
323 */
324 m_div = intp->mclk / 704000;
325 stv0900_write_reg(intp, R0900_P1_F22TX, m_div);
326 stv0900_write_reg(intp, R0900_P1_F22RX, m_div);
327
328 stv0900_write_reg(intp, R0900_P2_F22TX, m_div);
329 stv0900_write_reg(intp, R0900_P2_F22RX, m_div);
330
331 if ((intp->errs))
332 return STV0900_I2C_ERROR;
333
334 return STV0900_NO_ERROR;
99277b38
IL		 335}
336
936c05e7 337static u32 stv0900_get_err_count(struct stv0900_internal *intp, int cntr,
99277b38
IL		 338 enum fe_stv0900_demod_num demod)
339{
340 u32 lsb, msb, hsb, err_val;
99277b38
IL		 341
342 switch (cntr) {
343 case 0:
344 default:
1e0c397d
IL		 345 hsb = stv0900_get_bits(intp, ERR_CNT12);
346 msb = stv0900_get_bits(intp, ERR_CNT11);
347 lsb = stv0900_get_bits(intp, ERR_CNT10);
99277b38
IL		 348 break;
349 case 1:
1e0c397d
IL		 350 hsb = stv0900_get_bits(intp, ERR_CNT22);
351 msb = stv0900_get_bits(intp, ERR_CNT21);
352 lsb = stv0900_get_bits(intp, ERR_CNT20);
99277b38
IL		 353 break;
354 }
355
356 err_val = (hsb << 16) + (msb << 8) + (lsb);
357
358 return err_val;
359}
360
361static int stv0900_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
362{
363 struct stv0900_state *state = fe->demodulator_priv;
1e0c397d 364 struct stv0900_internal *intp = state->internal;
99277b38
IL		 365 enum fe_stv0900_demod_num demod = state->demod;
366
1e0c397d 367 stv0900_write_bits(intp, I2CT_ON, enable);
99277b38
IL		 368
369 return 0;
370}
371
1e0c397d 372static void stv0900_set_ts_parallel_serial(struct stv0900_internal *intp,
99277b38
IL		 373 enum fe_stv0900_clock_type path1_ts,
374 enum fe_stv0900_clock_type path2_ts)
375{
376
8171c205 377 dprintk("%s\n", __func__);
99277b38 378
1e0c397d 379 if (intp->chip_id >= 0x20) {
99277b38
IL		 380 switch (path1_ts) {
381 case STV0900_PARALLEL_PUNCT_CLOCK:
382 case STV0900_DVBCI_CLOCK:
383 switch (path2_ts) {
384 case STV0900_SERIAL_PUNCT_CLOCK:
385 case STV0900_SERIAL_CONT_CLOCK:
386 default:
1e0c397d 387 stv0900_write_reg(intp, R0900_TSGENERAL,
99277b38
IL		 388 0x00);
389 break;
390 case STV0900_PARALLEL_PUNCT_CLOCK:
391 case STV0900_DVBCI_CLOCK:
1e0c397d 392 stv0900_write_reg(intp, R0900_TSGENERAL,
99277b38 393 0x06);
1e0c397d 394 stv0900_write_bits(intp,
99277b38 395 F0900_P1_TSFIFO_MANSPEED, 3);
1e0c397d 396 stv0900_write_bits(intp,
99277b38 397 F0900_P2_TSFIFO_MANSPEED, 0);
1e0c397d 398 stv0900_write_reg(intp,
99277b38 399 R0900_P1_TSSPEED, 0x14);
1e0c397d 400 stv0900_write_reg(intp,
99277b38
IL		 401 R0900_P2_TSSPEED, 0x28);
402 break;
403 }
404 break;
405 case STV0900_SERIAL_PUNCT_CLOCK:
406 case STV0900_SERIAL_CONT_CLOCK:
407 default:
408 switch (path2_ts) {
409 case STV0900_SERIAL_PUNCT_CLOCK:
410 case STV0900_SERIAL_CONT_CLOCK:
411 default:
1e0c397d 412 stv0900_write_reg(intp,
99277b38
IL		 413 R0900_TSGENERAL, 0x0C);
414 break;
415 case STV0900_PARALLEL_PUNCT_CLOCK:
416 case STV0900_DVBCI_CLOCK:
1e0c397d 417 stv0900_write_reg(intp,
99277b38 418 R0900_TSGENERAL, 0x0A);
8171c205 419 dprintk("%s: 0x0a\n", __func__);
99277b38
IL		 420 break;
421 }
422 break;
423 }
424 } else {
425 switch (path1_ts) {
426 case STV0900_PARALLEL_PUNCT_CLOCK:
427 case STV0900_DVBCI_CLOCK:
428 switch (path2_ts) {
429 case STV0900_SERIAL_PUNCT_CLOCK:
430 case STV0900_SERIAL_CONT_CLOCK:
431 default:
1e0c397d 432 stv0900_write_reg(intp, R0900_TSGENERAL1X,
99277b38
IL		 433 0x10);
434 break;
435 case STV0900_PARALLEL_PUNCT_CLOCK:
436 case STV0900_DVBCI_CLOCK:
1e0c397d 437 stv0900_write_reg(intp, R0900_TSGENERAL1X,
99277b38 438 0x16);
1e0c397d 439 stv0900_write_bits(intp,
99277b38 440 F0900_P1_TSFIFO_MANSPEED, 3);
1e0c397d 441 stv0900_write_bits(intp,
99277b38 442 F0900_P2_TSFIFO_MANSPEED, 0);
1e0c397d 443 stv0900_write_reg(intp, R0900_P1_TSSPEED,
99277b38 444 0x14);
1e0c397d 445 stv0900_write_reg(intp, R0900_P2_TSSPEED,
99277b38
IL		 446 0x28);
447 break;
448 }
449
450 break;
451 case STV0900_SERIAL_PUNCT_CLOCK:
452 case STV0900_SERIAL_CONT_CLOCK:
453 default:
454 switch (path2_ts) {
455 case STV0900_SERIAL_PUNCT_CLOCK:
456 case STV0900_SERIAL_CONT_CLOCK:
457 default:
1e0c397d 458 stv0900_write_reg(intp, R0900_TSGENERAL1X,
99277b38
IL		 459 0x14);
460 break;
461 case STV0900_PARALLEL_PUNCT_CLOCK:
462 case STV0900_DVBCI_CLOCK:
1e0c397d 463 stv0900_write_reg(intp, R0900_TSGENERAL1X,
99277b38 464 0x12);
8171c205 465 dprintk("%s: 0x12\n", __func__);
99277b38
IL		 466 break;
467 }
468
469 break;
470 }
471 }
472
473 switch (path1_ts) {
474 case STV0900_PARALLEL_PUNCT_CLOCK:
1e0c397d
IL		 475 stv0900_write_bits(intp, F0900_P1_TSFIFO_SERIAL, 0x00);
476 stv0900_write_bits(intp, F0900_P1_TSFIFO_DVBCI, 0x00);
99277b38
IL		 477 break;
478 case STV0900_DVBCI_CLOCK:
1e0c397d
IL		 479 stv0900_write_bits(intp, F0900_P1_TSFIFO_SERIAL, 0x00);
480 stv0900_write_bits(intp, F0900_P1_TSFIFO_DVBCI, 0x01);
99277b38
IL		 481 break;
482 case STV0900_SERIAL_PUNCT_CLOCK:
1e0c397d
IL		 483 stv0900_write_bits(intp, F0900_P1_TSFIFO_SERIAL, 0x01);
484 stv0900_write_bits(intp, F0900_P1_TSFIFO_DVBCI, 0x00);
99277b38
IL		 485 break;
486 case STV0900_SERIAL_CONT_CLOCK:
1e0c397d
IL		 487 stv0900_write_bits(intp, F0900_P1_TSFIFO_SERIAL, 0x01);
488 stv0900_write_bits(intp, F0900_P1_TSFIFO_DVBCI, 0x01);
99277b38
IL		 489 break;
490 default:
491 break;
492 }
493
494 switch (path2_ts) {
495 case STV0900_PARALLEL_PUNCT_CLOCK:
1e0c397d
IL		 496 stv0900_write_bits(intp, F0900_P2_TSFIFO_SERIAL, 0x00);
497 stv0900_write_bits(intp, F0900_P2_TSFIFO_DVBCI, 0x00);
99277b38
IL		 498 break;
499 case STV0900_DVBCI_CLOCK:
1e0c397d
IL		 500 stv0900_write_bits(intp, F0900_P2_TSFIFO_SERIAL, 0x00);
501 stv0900_write_bits(intp, F0900_P2_TSFIFO_DVBCI, 0x01);
99277b38
IL		 502 break;
503 case STV0900_SERIAL_PUNCT_CLOCK:
1e0c397d
IL		 504 stv0900_write_bits(intp, F0900_P2_TSFIFO_SERIAL, 0x01);
505 stv0900_write_bits(intp, F0900_P2_TSFIFO_DVBCI, 0x00);
99277b38
IL		 506 break;
507 case STV0900_SERIAL_CONT_CLOCK:
1e0c397d
IL		 508 stv0900_write_bits(intp, F0900_P2_TSFIFO_SERIAL, 0x01);
509 stv0900_write_bits(intp, F0900_P2_TSFIFO_DVBCI, 0x01);
99277b38
IL		 510 break;
511 default:
512 break;
513 }
514
1e0c397d
IL		 515 stv0900_write_bits(intp, F0900_P2_RST_HWARE, 1);
516 stv0900_write_bits(intp, F0900_P2_RST_HWARE, 0);
517 stv0900_write_bits(intp, F0900_P1_RST_HWARE, 1);
518 stv0900_write_bits(intp, F0900_P1_RST_HWARE, 0);
99277b38
IL		 519}
520
521void stv0900_set_tuner(struct dvb_frontend *fe, u32 frequency,
522 u32 bandwidth)
523{
524 struct dvb_frontend_ops *frontend_ops = NULL;
525 struct dvb_tuner_ops *tuner_ops = NULL;
526
527 if (&fe->ops)
528 frontend_ops = &fe->ops;
529
530 if (&frontend_ops->tuner_ops)
531 tuner_ops = &frontend_ops->tuner_ops;
532
533 if (tuner_ops->set_frequency) {
534 if ((tuner_ops->set_frequency(fe, frequency)) < 0)
535 dprintk("%s: Invalid parameter\n", __func__);
536 else
537 dprintk("%s: Frequency=%d\n", __func__, frequency);
538
539 }
540
541 if (tuner_ops->set_bandwidth) {
542 if ((tuner_ops->set_bandwidth(fe, bandwidth)) < 0)
543 dprintk("%s: Invalid parameter\n", __func__);
544 else
545 dprintk("%s: Bandwidth=%d\n", __func__, bandwidth);
546
547 }
548}
549
550void stv0900_set_bandwidth(struct dvb_frontend *fe, u32 bandwidth)
551{
552 struct dvb_frontend_ops *frontend_ops = NULL;
553 struct dvb_tuner_ops *tuner_ops = NULL;
554
555 if (&fe->ops)
556 frontend_ops = &fe->ops;
557
558 if (&frontend_ops->tuner_ops)
559 tuner_ops = &frontend_ops->tuner_ops;
560
561 if (tuner_ops->set_bandwidth) {
562 if ((tuner_ops->set_bandwidth(fe, bandwidth)) < 0)
563 dprintk("%s: Invalid parameter\n", __func__);
564 else
565 dprintk("%s: Bandwidth=%d\n", __func__, bandwidth);
566
567 }
568}
569
cd79d33e
IL		 570u32 stv0900_get_freq_auto(struct stv0900_internal *intp, int demod)
571{
572 u32 freq, round;
573 /* Formulat :
574 Tuner_Frequency(MHz) = Regs / 64
575 Tuner_granularity(MHz) = Regs / 2048
576 real_Tuner_Frequency = Tuner_Frequency(MHz) - Tuner_granularity(MHz)
577 */
578 freq = (stv0900_get_bits(intp, TUN_RFFREQ2) << 10) +
579 (stv0900_get_bits(intp, TUN_RFFREQ1) << 2) +
580 stv0900_get_bits(intp, TUN_RFFREQ0);
581
582 freq = (freq * 1000) / 64;
583
584 round = (stv0900_get_bits(intp, TUN_RFRESTE1) >> 2) +
585 stv0900_get_bits(intp, TUN_RFRESTE0);
586
587 round = (round * 1000) / 2048;
588
589 return freq + round;
590}
591
592void stv0900_set_tuner_auto(struct stv0900_internal *intp, u32 Frequency,
593 u32 Bandwidth, int demod)
594{
595 u32 tunerFrequency;
596 /* Formulat:
597 Tuner_frequency_reg= Frequency(MHz)*64
598 */
599 tunerFrequency = (Frequency * 64) / 1000;
600
601 stv0900_write_bits(intp, TUN_RFFREQ2, (tunerFrequency >> 10));
602 stv0900_write_bits(intp, TUN_RFFREQ1, (tunerFrequency >> 2) & 0xff);
603 stv0900_write_bits(intp, TUN_RFFREQ0, (tunerFrequency & 0x03));
604 /* Low Pass Filter = BW /2 (MHz)*/
605 stv0900_write_bits(intp, TUN_BW, Bandwidth / 2000000);
606 /* Tuner Write trig */
607 stv0900_write_reg(intp, TNRLD, 1);
608}
609
1e0c397d 610static s32 stv0900_get_rf_level(struct stv0900_internal *intp,
99277b38
IL		 611 const struct stv0900_table *lookup,
612 enum fe_stv0900_demod_num demod)
613{
614 s32 agc_gain = 0,
615 imin,
616 imax,
617 i,
618 rf_lvl = 0;
619
8171c205 620 dprintk("%s\n", __func__);
99277b38 621
1e0c397d
IL		 622 if ((lookup == NULL) || (lookup->size <= 0))
623 return 0;
502cd96d 624
1e0c397d
IL		 625 agc_gain = MAKEWORD(stv0900_get_bits(intp, AGCIQ_VALUE1),
626 stv0900_get_bits(intp, AGCIQ_VALUE0));
99277b38 627
1e0c397d
IL		 628 imin = 0;
629 imax = lookup->size - 1;
630 if (INRANGE(lookup->table[imin].regval, agc_gain,
631 lookup->table[imax].regval)) {
632 while ((imax - imin) > 1) {
633 i = (imax + imin) >> 1;
99277b38 634
1e0c397d
IL		 635 if (INRANGE(lookup->table[imin].regval,
636 agc_gain,
637 lookup->table[i].regval))
638 imax = i;
639 else
640 imin = i;
641 }
99277b38 642
1e0c397d
IL		 643 rf_lvl = (s32)agc_gain - lookup->table[imin].regval;
644 rf_lvl *= (lookup->table[imax].realval -
645 lookup->table[imin].realval);
646 rf_lvl /= (lookup->table[imax].regval -
647 lookup->table[imin].regval);
648 rf_lvl += lookup->table[imin].realval;
649 } else if (agc_gain > lookup->table[0].regval)
650 rf_lvl = 5;
651 else if (agc_gain < lookup->table[lookup->size-1].regval)
652 rf_lvl = -100;
99277b38 653
8171c205 654 dprintk("%s: RFLevel = %d\n", __func__, rf_lvl);
99277b38
IL		 655
656 return rf_lvl;
657}
658
659static int stv0900_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
660{
661 struct stv0900_state *state = fe->demodulator_priv;
662 struct stv0900_internal *internal = state->internal;
663 s32 rflevel = stv0900_get_rf_level(internal, &stv0900_rf,
664 state->demod);
665
502cd96d
IL		 666 rflevel = (rflevel + 100) * (65535 / 70);
667 if (rflevel < 0)
668 rflevel = 0;
669
670 if (rflevel > 65535)
671 rflevel = 65535;
672
673 *strength = rflevel;
99277b38
IL		 674
675 return 0;
676}
677
99277b38
IL		 678static s32 stv0900_carr_get_quality(struct dvb_frontend *fe,
679 const struct stv0900_table *lookup)
680{
681 struct stv0900_state *state = fe->demodulator_priv;
1e0c397d 682 struct stv0900_internal *intp = state->internal;
99277b38
IL		 683 enum fe_stv0900_demod_num demod = state->demod;
684
1e0c397d
IL		 685 s32 c_n = -100,
686 regval,
687 imin,
688 imax,
99277b38 689 i,
99277b38
IL		 690 noise_field1,
691 noise_field0;
692
8171c205 693 dprintk("%s\n", __func__);
99277b38 694
99277b38 695 if (stv0900_get_standard(fe, demod) == STV0900_DVBS2_STANDARD) {
1e0c397d
IL		 696 noise_field1 = NOSPLHT_NORMED1;
697 noise_field0 = NOSPLHT_NORMED0;
99277b38 698 } else {
1e0c397d
IL		 699 noise_field1 = NOSDATAT_NORMED1;
700 noise_field0 = NOSDATAT_NORMED0;
99277b38
IL		 701 }
702
1e0c397d 703 if (stv0900_get_bits(intp, LOCK_DEFINITIF)) {
99277b38
IL		 704 if ((lookup != NULL) && lookup->size) {
705 regval = 0;
706 msleep(5);
707 for (i = 0; i < 16; i++) {
1e0c397d 708 regval += MAKEWORD(stv0900_get_bits(intp,
11a84143 709 noise_field1),
1e0c397d 710 stv0900_get_bits(intp,
11a84143 711 noise_field0));
99277b38
IL		 712 msleep(1);
713 }
714
715 regval /= 16;
716 imin = 0;
717 imax = lookup->size - 1;
11a84143
IL		 718 if (INRANGE(lookup->table[imin].regval,
719 regval,
720 lookup->table[imax].regval)) {
99277b38
IL		 721 while ((imax - imin) > 1) {
722 i = (imax + imin) >> 1;
11a84143
IL		 723 if (INRANGE(lookup->table[imin].regval,
724 regval,
725 lookup->table[i].regval))
99277b38
IL		 726 imax = i;
727 else
728 imin = i;
729 }
730
731 c_n = ((regval - lookup->table[imin].regval)
11a84143
IL		 732 * (lookup->table[imax].realval
733 - lookup->table[imin].realval)
734 / (lookup->table[imax].regval
735 - lookup->table[imin].regval))
99277b38
IL		 736 + lookup->table[imin].realval;
737 } else if (regval < lookup->table[imin].regval)
738 c_n = 1000;
739 }
740 }
741
742 return c_n;
743}
744
ee1ebcfe
AO		 745static int stv0900_read_ucblocks(struct dvb_frontend *fe, u32 * ucblocks)
746{
747 struct stv0900_state *state = fe->demodulator_priv;
1e0c397d 748 struct stv0900_internal *intp = state->internal;
ee1ebcfe
AO		 749 enum fe_stv0900_demod_num demod = state->demod;
750 u8 err_val1, err_val0;
ee1ebcfe
AO		 751 u32 header_err_val = 0;
752
753 *ucblocks = 0x0;
754 if (stv0900_get_standard(fe, demod) == STV0900_DVBS2_STANDARD) {
755 /* DVB-S2 delineator errors count */
756
757 /* retreiving number for errnous headers */
1e0c397d
IL		 758 err_val1 = stv0900_read_reg(intp, BBFCRCKO1);
759 err_val0 = stv0900_read_reg(intp, BBFCRCKO0);
760 header_err_val = (err_val1 << 8) | err_val0;
ee1ebcfe
AO		 761
762 /* retreiving number for errnous packets */
1e0c397d
IL		 763 err_val1 = stv0900_read_reg(intp, UPCRCKO1);
764 err_val0 = stv0900_read_reg(intp, UPCRCKO0);
765 *ucblocks = (err_val1 << 8) | err_val0;
ee1ebcfe
AO		 766 *ucblocks += header_err_val;
767 }
768
769 return 0;
770}
771
99277b38
IL		 772static int stv0900_read_snr(struct dvb_frontend *fe, u16 *snr)
773{
502cd96d 774 s32 snrlcl = stv0900_carr_get_quality(fe,
11a84143 775 (const struct stv0900_table *)&stv0900_s2_cn);
502cd96d
IL		 776 snrlcl = (snrlcl + 30) * 384;
777 if (snrlcl < 0)
778 snrlcl = 0;
779
780 if (snrlcl > 65535)
781 snrlcl = 65535;
782
783 *snr = snrlcl;
99277b38
IL		 784
785 return 0;
786}
787
1e0c397d 788static u32 stv0900_get_ber(struct stv0900_internal *intp,
99277b38
IL		 789 enum fe_stv0900_demod_num demod)
790{
791 u32 ber = 10000000, i;
99277b38 792 s32 demod_state;
99277b38 793
1e0c397d 794 demod_state = stv0900_get_bits(intp, HEADER_MODE);
99277b38
IL		 795
796 switch (demod_state) {
797 case STV0900_SEARCH:
798 case STV0900_PLH_DETECTED:
799 default:
800 ber = 10000000;
801 break;
802 case STV0900_DVBS_FOUND:
803 ber = 0;
804 for (i = 0; i < 5; i++) {
805 msleep(5);
1e0c397d 806 ber += stv0900_get_err_count(intp, 0, demod);
99277b38
IL		 807 }
808
809 ber /= 5;
1e0c397d 810 if (stv0900_get_bits(intp, PRFVIT)) {
99277b38
IL		 811 ber *= 9766;
812 ber = ber >> 13;
813 }
814
815 break;
816 case STV0900_DVBS2_FOUND:
817 ber = 0;
818 for (i = 0; i < 5; i++) {
819 msleep(5);
1e0c397d 820 ber += stv0900_get_err_count(intp, 0, demod);
99277b38
IL		 821 }
822
823 ber /= 5;
1e0c397d 824 if (stv0900_get_bits(intp, PKTDELIN_LOCK)) {
99277b38
IL		 825 ber *= 9766;
826 ber = ber >> 13;
827 }
828
829 break;
830 }
831
832 return ber;
833}
834
835static int stv0900_read_ber(struct dvb_frontend *fe, u32 *ber)
836{
837 struct stv0900_state *state = fe->demodulator_priv;
838 struct stv0900_internal *internal = state->internal;
839
840 *ber = stv0900_get_ber(internal, state->demod);
841
842 return 0;
843}
844
1e0c397d 845int stv0900_get_demod_lock(struct stv0900_internal *intp,
99277b38
IL		 846 enum fe_stv0900_demod_num demod, s32 time_out)
847{
848 s32 timer = 0,
1e0c397d 849 lock = 0;
99277b38
IL		 850
851 enum fe_stv0900_search_state dmd_state;
852
99277b38 853 while ((timer < time_out) && (lock == 0)) {
1e0c397d 854 dmd_state = stv0900_get_bits(intp, HEADER_MODE);
99277b38
IL		 855 dprintk("Demod State = %d\n", dmd_state);
856 switch (dmd_state) {
857 case STV0900_SEARCH:
858 case STV0900_PLH_DETECTED:
859 default:
860 lock = 0;
861 break;
862 case STV0900_DVBS2_FOUND:
863 case STV0900_DVBS_FOUND:
1e0c397d 864 lock = stv0900_get_bits(intp, LOCK_DEFINITIF);
99277b38
IL		 865 break;
866 }
867
868 if (lock == 0)
869 msleep(10);
870
871 timer += 10;
872 }
873
874 if (lock)
875 dprintk("DEMOD LOCK OK\n");
876 else
877 dprintk("DEMOD LOCK FAIL\n");
878
879 return lock;
880}
881
1e0c397d 882void stv0900_stop_all_s2_modcod(struct stv0900_internal *intp,
99277b38
IL		 883 enum fe_stv0900_demod_num demod)
884{
885 s32 regflist,
886 i;
887
8171c205 888 dprintk("%s\n", __func__);
99277b38 889
1e0c397d 890 regflist = MODCODLST0;
99277b38
IL		 891
892 for (i = 0; i < 16; i++)
1e0c397d 893 stv0900_write_reg(intp, regflist + i, 0xff);
99277b38
IL		 894}
895
1e0c397d 896void stv0900_activate_s2_modcod(struct stv0900_internal *intp,
99277b38
IL		 897 enum fe_stv0900_demod_num demod)
898{
899 u32 matype,
1e0c397d
IL		 900 mod_code,
901 fmod,
902 reg_index,
903 field_index;
99277b38 904
8171c205 905 dprintk("%s\n", __func__);
99277b38 906
1e0c397d 907 if (intp->chip_id <= 0x11) {
99277b38
IL		 908 msleep(5);
909
1e0c397d
IL		 910 mod_code = stv0900_read_reg(intp, PLHMODCOD);
911 matype = mod_code & 0x3;
912 mod_code = (mod_code & 0x7f) >> 2;
99277b38 913
1e0c397d
IL		 914 reg_index = MODCODLSTF - mod_code / 2;
915 field_index = mod_code % 2;
99277b38
IL		 916
917 switch (matype) {
918 case 0:
919 default:
920 fmod = 14;
921 break;
922 case 1:
923 fmod = 13;
924 break;
925 case 2:
926 fmod = 11;
927 break;
928 case 3:
929 fmod = 7;
930 break;
931 }
932
933 if ((INRANGE(STV0900_QPSK_12, mod_code, STV0900_8PSK_910))
1e0c397d 934 && (matype <= 1)) {
99277b38 935 if (field_index == 0)
1e0c397d 936 stv0900_write_reg(intp, reg_index,
99277b38
IL		 937 0xf0 | fmod);
938 else
1e0c397d 939 stv0900_write_reg(intp, reg_index,
99277b38
IL		 940 (fmod << 4) | 0xf);
941 }
99277b38 942
1e0c397d
IL		 943 } else if (intp->chip_id >= 0x12) {
944 for (reg_index = 0; reg_index < 7; reg_index++)
945 stv0900_write_reg(intp, MODCODLST0 + reg_index, 0xff);
99277b38 946
1e0c397d
IL		 947 stv0900_write_reg(intp, MODCODLSTE, 0xff);
948 stv0900_write_reg(intp, MODCODLSTF, 0xcf);
949 for (reg_index = 0; reg_index < 8; reg_index++)
950 stv0900_write_reg(intp, MODCODLST7 + reg_index, 0xcc);
99277b38 951
99277b38
IL		 952
953 }
954}
955
1e0c397d 956void stv0900_activate_s2_modcod_single(struct stv0900_internal *intp,
99277b38
IL		 957 enum fe_stv0900_demod_num demod)
958{
959 u32 reg_index;
960
8171c205 961 dprintk("%s\n", __func__);
99277b38 962
1e0c397d
IL		 963 stv0900_write_reg(intp, MODCODLST0, 0xff);
964 stv0900_write_reg(intp, MODCODLST1, 0xf0);
965 stv0900_write_reg(intp, MODCODLSTF, 0x0f);
966 for (reg_index = 0; reg_index < 13; reg_index++)
967 stv0900_write_reg(intp, MODCODLST2 + reg_index, 0);
99277b38 968
99277b38
IL		 969}
970
971static enum dvbfe_algo stv0900_frontend_algo(struct dvb_frontend *fe)
972{
973 return DVBFE_ALGO_CUSTOM;
974}
975
1e0c397d 976void stv0900_start_search(struct stv0900_internal *intp,
99277b38
IL		 977 enum fe_stv0900_demod_num demod)
978{
1e0c397d
IL		 979 u32 freq;
980 s16 freq_s16 ;
981
982 stv0900_write_bits(intp, DEMOD_MODE, 0x1f);
983 if (intp->chip_id == 0x10)
984 stv0900_write_reg(intp, CORRELEXP, 0xaa);
985
986 if (intp->chip_id < 0x20)
987 stv0900_write_reg(intp, CARHDR, 0x55);
988
989 if (intp->chip_id <= 0x20) {
990 if (intp->symbol_rate[0] <= 5000000) {
991 stv0900_write_reg(intp, CARCFG, 0x44);
992 stv0900_write_reg(intp, CFRUP1, 0x0f);
993 stv0900_write_reg(intp, CFRUP0, 0xff);
994 stv0900_write_reg(intp, CFRLOW1, 0xf0);
995 stv0900_write_reg(intp, CFRLOW0, 0x00);
996 stv0900_write_reg(intp, RTCS2, 0x68);
99277b38 997 } else {
1e0c397d
IL		 998 stv0900_write_reg(intp, CARCFG, 0xc4);
999 stv0900_write_reg(intp, RTCS2, 0x44);
99277b38
IL		 1000 }
1001
1e0c397d
IL		 1002 } else { /*cut 3.0 above*/
1003 if (intp->symbol_rate[demod] <= 5000000)
1004 stv0900_write_reg(intp, RTCS2, 0x68);
1005 else
1006 stv0900_write_reg(intp, RTCS2, 0x44);
99277b38 1007
1e0c397d
IL		 1008 stv0900_write_reg(intp, CARCFG, 0x46);
1009 if (intp->srch_algo[demod] == STV0900_WARM_START) {
1010 freq = 1000 << 16;
1011 freq /= (intp->mclk / 1000);
1012 freq_s16 = (s16)freq;
99277b38 1013 } else {
1e0c397d
IL		 1014 freq = (intp->srch_range[demod] / 2000);
1015 if (intp->symbol_rate[demod] <= 5000000)
1016 freq += 80;
99277b38 1017 else
1e0c397d 1018 freq += 600;
99277b38 1019
1e0c397d
IL		 1020 freq = freq << 16;
1021 freq /= (intp->mclk / 1000);
1022 freq_s16 = (s16)freq;
99277b38
IL		 1023 }
1024
1e0c397d
IL		 1025 stv0900_write_bits(intp, CFR_UP1, MSB(freq_s16));
1026 stv0900_write_bits(intp, CFR_UP0, LSB(freq_s16));
1027 freq_s16 *= (-1);
1028 stv0900_write_bits(intp, CFR_LOW1, MSB(freq_s16));
1029 stv0900_write_bits(intp, CFR_LOW0, LSB(freq_s16));
1030 }
99277b38 1031
1e0c397d
IL		 1032 stv0900_write_reg(intp, CFRINIT1, 0);
1033 stv0900_write_reg(intp, CFRINIT0, 0);
99277b38 1034
1e0c397d
IL		 1035 if (intp->chip_id >= 0x20) {
1036 stv0900_write_reg(intp, EQUALCFG, 0x41);
1037 stv0900_write_reg(intp, FFECFG, 0x41);
99277b38 1038
1e0c397d
IL		 1039 if ((intp->srch_standard[demod] == STV0900_SEARCH_DVBS1) ||
1040 (intp->srch_standard[demod] == STV0900_SEARCH_DSS) ||
1041 (intp->srch_standard[demod] == STV0900_AUTO_SEARCH)) {
1042 stv0900_write_reg(intp, VITSCALE,
1043 0x82);
1044 stv0900_write_reg(intp, VAVSRVIT, 0x0);
1045 }
1046 }
99277b38 1047
1e0c397d
IL		 1048 stv0900_write_reg(intp, SFRSTEP, 0x00);
1049 stv0900_write_reg(intp, TMGTHRISE, 0xe0);
1050 stv0900_write_reg(intp, TMGTHFALL, 0xc0);
1051 stv0900_write_bits(intp, SCAN_ENABLE, 0);
1052 stv0900_write_bits(intp, CFR_AUTOSCAN, 0);
1053 stv0900_write_bits(intp, S1S2_SEQUENTIAL, 0);
1054 stv0900_write_reg(intp, RTC, 0x88);
1055 if (intp->chip_id >= 0x20) {
1056 if (intp->symbol_rate[demod] < 2000000) {
1057 if (intp->chip_id <= 0x20)
1058 stv0900_write_reg(intp, CARFREQ, 0x39);
1059 else /*cut 3.0*/
1060 stv0900_write_reg(intp, CARFREQ, 0x89);
1061
1062 stv0900_write_reg(intp, CARHDR, 0x40);
1063 } else if (intp->symbol_rate[demod] < 10000000) {
1064 stv0900_write_reg(intp, CARFREQ, 0x4c);
1065 stv0900_write_reg(intp, CARHDR, 0x20);
99277b38 1066 } else {
1e0c397d
IL		 1067 stv0900_write_reg(intp, CARFREQ, 0x4b);
1068 stv0900_write_reg(intp, CARHDR, 0x20);
99277b38
IL		 1069 }
1070
1e0c397d
IL		 1071 } else {
1072 if (intp->symbol_rate[demod] < 10000000)
1073 stv0900_write_reg(intp, CARFREQ, 0xef);
1074 else
1075 stv0900_write_reg(intp, CARFREQ, 0xed);
1076 }
99277b38 1077
1e0c397d
IL		 1078 switch (intp->srch_algo[demod]) {
1079 case STV0900_WARM_START:
1080 stv0900_write_reg(intp, DMDISTATE, 0x1f);
1081 stv0900_write_reg(intp, DMDISTATE, 0x18);
1082 break;
1083 case STV0900_COLD_START:
1084 stv0900_write_reg(intp, DMDISTATE, 0x1f);
1085 stv0900_write_reg(intp, DMDISTATE, 0x15);
1086 break;
1087 default:
99277b38
IL		 1088 break;
1089 }
1090}
1091
1092u8 stv0900_get_optim_carr_loop(s32 srate, enum fe_stv0900_modcode modcode,
1093 s32 pilot, u8 chip_id)
1094{
1095 u8 aclc_value = 0x29;
1e0c397d
IL		 1096 s32 i;
1097 const struct stv0900_car_loop_optim *cls2, *cllqs2, *cllas2;
99277b38 1098
8171c205 1099 dprintk("%s\n", __func__);
99277b38 1100
1e0c397d
IL		 1101 if (chip_id <= 0x12) {
1102 cls2 = FE_STV0900_S2CarLoop;
1103 cllqs2 = FE_STV0900_S2LowQPCarLoopCut30;
1104 cllas2 = FE_STV0900_S2APSKCarLoopCut30;
1105 } else if (chip_id == 0x20) {
1106 cls2 = FE_STV0900_S2CarLoopCut20;
1107 cllqs2 = FE_STV0900_S2LowQPCarLoopCut20;
1108 cllas2 = FE_STV0900_S2APSKCarLoopCut20;
1109 } else {
1110 cls2 = FE_STV0900_S2CarLoopCut30;
1111 cllqs2 = FE_STV0900_S2LowQPCarLoopCut30;
1112 cllas2 = FE_STV0900_S2APSKCarLoopCut30;
1113 }
99277b38
IL		 1114
1115 if (modcode < STV0900_QPSK_12) {
1116 i = 0;
1e0c397d 1117 while ((i < 3) && (modcode != cllqs2[i].modcode))
99277b38
IL		 1118 i++;
1119
1120 if (i >= 3)
1121 i = 2;
1122 } else {
1123 i = 0;
1e0c397d 1124 while ((i < 14) && (modcode != cls2[i].modcode))
99277b38
IL		 1125 i++;
1126
1127 if (i >= 14) {
1128 i = 0;
1e0c397d 1129 while ((i < 11) && (modcode != cllas2[i].modcode))
99277b38
IL		 1130 i++;
1131
1132 if (i >= 11)
1133 i = 10;
1134 }
1135 }
1136
1137 if (modcode <= STV0900_QPSK_25) {
1138 if (pilot) {
1139 if (srate <= 3000000)
1e0c397d 1140 aclc_value = cllqs2[i].car_loop_pilots_on_2;
99277b38 1141 else if (srate <= 7000000)
1e0c397d 1142 aclc_value = cllqs2[i].car_loop_pilots_on_5;
99277b38 1143 else if (srate <= 15000000)
1e0c397d 1144 aclc_value = cllqs2[i].car_loop_pilots_on_10;
99277b38 1145 else if (srate <= 25000000)
1e0c397d 1146 aclc_value = cllqs2[i].car_loop_pilots_on_20;
99277b38 1147 else
1e0c397d 1148 aclc_value = cllqs2[i].car_loop_pilots_on_30;
99277b38
IL		 1149 } else {
1150 if (srate <= 3000000)
1e0c397d 1151 aclc_value = cllqs2[i].car_loop_pilots_off_2;
99277b38 1152 else if (srate <= 7000000)
1e0c397d 1153 aclc_value = cllqs2[i].car_loop_pilots_off_5;
99277b38 1154 else if (srate <= 15000000)
1e0c397d 1155 aclc_value = cllqs2[i].car_loop_pilots_off_10;
99277b38 1156 else if (srate <= 25000000)
1e0c397d 1157 aclc_value = cllqs2[i].car_loop_pilots_off_20;
99277b38 1158 else
1e0c397d 1159 aclc_value = cllqs2[i].car_loop_pilots_off_30;
99277b38
IL		 1160 }
1161
1162 } else if (modcode <= STV0900_8PSK_910) {
1163 if (pilot) {
1164 if (srate <= 3000000)
1e0c397d 1165 aclc_value = cls2[i].car_loop_pilots_on_2;
99277b38 1166 else if (srate <= 7000000)
1e0c397d 1167 aclc_value = cls2[i].car_loop_pilots_on_5;
99277b38 1168 else if (srate <= 15000000)
1e0c397d 1169 aclc_value = cls2[i].car_loop_pilots_on_10;
99277b38 1170 else if (srate <= 25000000)
1e0c397d 1171 aclc_value = cls2[i].car_loop_pilots_on_20;
99277b38 1172 else
1e0c397d 1173 aclc_value = cls2[i].car_loop_pilots_on_30;
99277b38
IL		 1174 } else {
1175 if (srate <= 3000000)
1e0c397d 1176 aclc_value = cls2[i].car_loop_pilots_off_2;
99277b38 1177 else if (srate <= 7000000)
1e0c397d 1178 aclc_value = cls2[i].car_loop_pilots_off_5;
99277b38 1179 else if (srate <= 15000000)
1e0c397d 1180 aclc_value = cls2[i].car_loop_pilots_off_10;
99277b38 1181 else if (srate <= 25000000)
1e0c397d 1182 aclc_value = cls2[i].car_loop_pilots_off_20;
99277b38 1183 else
1e0c397d 1184 aclc_value = cls2[i].car_loop_pilots_off_30;
99277b38
IL		 1185 }
1186
1187 } else {
1188 if (srate <= 3000000)
1e0c397d 1189 aclc_value = cllas2[i].car_loop_pilots_on_2;
99277b38 1190 else if (srate <= 7000000)
1e0c397d 1191 aclc_value = cllas2[i].car_loop_pilots_on_5;
99277b38 1192 else if (srate <= 15000000)
1e0c397d 1193 aclc_value = cllas2[i].car_loop_pilots_on_10;
99277b38 1194 else if (srate <= 25000000)
1e0c397d 1195 aclc_value = cllas2[i].car_loop_pilots_on_20;
99277b38 1196 else
1e0c397d 1197 aclc_value = cllas2[i].car_loop_pilots_on_30;
99277b38
IL		 1198 }
1199
1200 return aclc_value;
1201}
1202
1e0c397d
IL		 1203u8 stv0900_get_optim_short_carr_loop(s32 srate,
1204 enum fe_stv0900_modulation modulation,
1205 u8 chip_id)
99277b38 1206{
1e0c397d
IL		 1207 const struct stv0900_short_frames_car_loop_optim *s2scl;
1208 const struct stv0900_short_frames_car_loop_optim_vs_mod *s2sclc30;
99277b38 1209 s32 mod_index = 0;
99277b38
IL		 1210 u8 aclc_value = 0x0b;
1211
8171c205 1212 dprintk("%s\n", __func__);
99277b38 1213
1e0c397d
IL		 1214 s2scl = FE_STV0900_S2ShortCarLoop;
1215 s2sclc30 = FE_STV0900_S2ShortCarLoopCut30;
1216
99277b38
IL		 1217 switch (modulation) {
1218 case STV0900_QPSK:
1219 default:
1220 mod_index = 0;
1221 break;
1222 case STV0900_8PSK:
1223 mod_index = 1;
1224 break;
1225 case STV0900_16APSK:
1226 mod_index = 2;
1227 break;
1228 case STV0900_32APSK:
1229 mod_index = 3;
1230 break;
1231 }
1232
1e0c397d 1233 if (chip_id >= 0x30) {
99277b38 1234 if (srate <= 3000000)
1e0c397d 1235 aclc_value = s2sclc30[mod_index].car_loop_2;
99277b38 1236 else if (srate <= 7000000)
1e0c397d 1237 aclc_value = s2sclc30[mod_index].car_loop_5;
99277b38 1238 else if (srate <= 15000000)
1e0c397d 1239 aclc_value = s2sclc30[mod_index].car_loop_10;
99277b38 1240 else if (srate <= 25000000)
1e0c397d 1241 aclc_value = s2sclc30[mod_index].car_loop_20;
99277b38 1242 else
1e0c397d 1243 aclc_value = s2sclc30[mod_index].car_loop_30;
99277b38 1244
1e0c397d 1245 } else if (chip_id >= 0x20) {
99277b38 1246 if (srate <= 3000000)
1e0c397d 1247 aclc_value = s2scl[mod_index].car_loop_cut20_2;
99277b38 1248 else if (srate <= 7000000)
1e0c397d 1249 aclc_value = s2scl[mod_index].car_loop_cut20_5;
99277b38 1250 else if (srate <= 15000000)
1e0c397d 1251 aclc_value = s2scl[mod_index].car_loop_cut20_10;
99277b38 1252 else if (srate <= 25000000)
1e0c397d 1253 aclc_value = s2scl[mod_index].car_loop_cut20_20;
99277b38 1254 else
1e0c397d
IL		 1255 aclc_value = s2scl[mod_index].car_loop_cut20_30;
1256
1257 } else {
1258 if (srate <= 3000000)
1259 aclc_value = s2scl[mod_index].car_loop_cut12_2;
1260 else if (srate <= 7000000)
1261 aclc_value = s2scl[mod_index].car_loop_cut12_5;
1262 else if (srate <= 15000000)
1263 aclc_value = s2scl[mod_index].car_loop_cut12_10;
1264 else if (srate <= 25000000)
1265 aclc_value = s2scl[mod_index].car_loop_cut12_20;
1266 else
1267 aclc_value = s2scl[mod_index].car_loop_cut12_30;
99277b38 1268
99277b38
IL		 1269 }
1270
1271 return aclc_value;
1272}
1273
1e0c397d
IL		 1274static
1275enum fe_stv0900_error stv0900_st_dvbs2_single(struct stv0900_internal *intp,
99277b38
IL		 1276 enum fe_stv0900_demod_mode LDPC_Mode,
1277 enum fe_stv0900_demod_num demod)
1278{
1279 enum fe_stv0900_error error = STV0900_NO_ERROR;
1e0c397d 1280 s32 reg_ind;
99277b38 1281
8171c205 1282 dprintk("%s\n", __func__);
99277b38
IL		 1283
1284 switch (LDPC_Mode) {
1285 case STV0900_DUAL:
1286 default:
1e0c397d
IL		 1287 if ((intp->demod_mode != STV0900_DUAL)
1288 || (stv0900_get_bits(intp, F0900_DDEMOD) != 1)) {
1289 stv0900_write_reg(intp, R0900_GENCFG, 0x1d);
1290
1291 intp->demod_mode = STV0900_DUAL;
1292
1293 stv0900_write_bits(intp, F0900_FRESFEC, 1);
1294 stv0900_write_bits(intp, F0900_FRESFEC, 0);
1295
1296 for (reg_ind = 0; reg_ind < 7; reg_ind++)
1297 stv0900_write_reg(intp,
1298 R0900_P1_MODCODLST0 + reg_ind,
1299 0xff);
1300 for (reg_ind = 0; reg_ind < 8; reg_ind++)
1301 stv0900_write_reg(intp,
1302 R0900_P1_MODCODLST7 + reg_ind,
1303 0xcc);
1304
1305 stv0900_write_reg(intp, R0900_P1_MODCODLSTE, 0xff);
1306 stv0900_write_reg(intp, R0900_P1_MODCODLSTF, 0xcf);
1307
1308 for (reg_ind = 0; reg_ind < 7; reg_ind++)
1309 stv0900_write_reg(intp,
1310 R0900_P2_MODCODLST0 + reg_ind,
1311 0xff);
1312 for (reg_ind = 0; reg_ind < 8; reg_ind++)
1313 stv0900_write_reg(intp,
1314 R0900_P2_MODCODLST7 + reg_ind,
1315 0xcc);
1316
1317 stv0900_write_reg(intp, R0900_P2_MODCODLSTE, 0xff);
1318 stv0900_write_reg(intp, R0900_P2_MODCODLSTF, 0xcf);
99277b38
IL		 1319 }
1320
1321 break;
1322 case STV0900_SINGLE:
1e0c397d
IL		 1323 if (demod == STV0900_DEMOD_2) {
1324 stv0900_stop_all_s2_modcod(intp, STV0900_DEMOD_1);
1325 stv0900_activate_s2_modcod_single(intp,
1326 STV0900_DEMOD_2);
1327 stv0900_write_reg(intp, R0900_GENCFG, 0x06);
1328 } else {
1329 stv0900_stop_all_s2_modcod(intp, STV0900_DEMOD_2);
1330 stv0900_activate_s2_modcod_single(intp,
1331 STV0900_DEMOD_1);
1332 stv0900_write_reg(intp, R0900_GENCFG, 0x04);
1333 }
99277b38 1334
1e0c397d 1335 intp->demod_mode = STV0900_SINGLE;
99277b38 1336
1e0c397d
IL		 1337 stv0900_write_bits(intp, F0900_FRESFEC, 1);
1338 stv0900_write_bits(intp, F0900_FRESFEC, 0);
1339 stv0900_write_bits(intp, F0900_P1_ALGOSWRST, 1);
1340 stv0900_write_bits(intp, F0900_P1_ALGOSWRST, 0);
1341 stv0900_write_bits(intp, F0900_P2_ALGOSWRST, 1);
1342 stv0900_write_bits(intp, F0900_P2_ALGOSWRST, 0);
99277b38
IL		 1343 break;
1344 }
1345
1346 return error;
1347}
1348
1349static enum fe_stv0900_error stv0900_init_internal(struct dvb_frontend *fe,
1350 struct stv0900_init_params *p_init)
1351{
1352 struct stv0900_state *state = fe->demodulator_priv;
1353 enum fe_stv0900_error error = STV0900_NO_ERROR;
1354 enum fe_stv0900_error demodError = STV0900_NO_ERROR;
1e0c397d 1355 struct stv0900_internal *intp = NULL;
f867c3f4 1356 int selosci, i;
99277b38
IL		 1357
1358 struct stv0900_inode *temp_int = find_inode(state->i2c_adap,
1359 state->config->demod_address);
1360
8171c205 1361 dprintk("%s\n", __func__);
99277b38 1362
29372a8d 1363 if ((temp_int != NULL) && (p_init->demod_mode == STV0900_DUAL)) {
99277b38
IL		 1364 state->internal = temp_int->internal;
1365 (state->internal->dmds_used)++;
8171c205 1366 dprintk("%s: Find Internal Structure!\n", __func__);
99277b38
IL		 1367 return STV0900_NO_ERROR;
1368 } else {
1e0c397d
IL		 1369 state->internal = kmalloc(sizeof(struct stv0900_internal),
1370 GFP_KERNEL);
fb3ab105
RK		 1371 if (state->internal == NULL)
1372 return STV0900_INVALID_HANDLE;
99277b38 1373 temp_int = append_internal(state->internal);
fb3ab105
RK		 1374 if (temp_int == NULL) {
1375 kfree(state->internal);
1376 state->internal = NULL;
1377 return STV0900_INVALID_HANDLE;
1378 }
99277b38
IL		 1379 state->internal->dmds_used = 1;
1380 state->internal->i2c_adap = state->i2c_adap;
1381 state->internal->i2c_addr = state->config->demod_address;
1382 state->internal->clkmode = state->config->clkmode;
1383 state->internal->errs = STV0900_NO_ERROR;
8171c205 1384 dprintk("%s: Create New Internal Structure!\n", __func__);
99277b38
IL		 1385 }
1386
1e0c397d
IL		 1387 if (state->internal == NULL) {
1388 error = STV0900_INVALID_HANDLE;
1389 return error;
1390 }
99277b38 1391
1e0c397d
IL		 1392 demodError = stv0900_initialize(state->internal);
1393 if (demodError == STV0900_NO_ERROR) {
1394 error = STV0900_NO_ERROR;
1395 } else {
1396 if (demodError == STV0900_INVALID_HANDLE)
1397 error = STV0900_INVALID_HANDLE;
1398 else
1399 error = STV0900_I2C_ERROR;
f867c3f4 1400
1e0c397d
IL		 1401 return error;
1402 }
99277b38 1403
1e0c397d 1404 intp = state->internal;
99277b38 1405
1e0c397d
IL		 1406 intp->demod_mode = p_init->demod_mode;
1407 stv0900_st_dvbs2_single(intp, intp->demod_mode, STV0900_DEMOD_1);
1408 intp->chip_id = stv0900_read_reg(intp, R0900_MID);
1409 intp->rolloff = p_init->rolloff;
1410 intp->quartz = p_init->dmd_ref_clk;
1411
1412 stv0900_write_bits(intp, F0900_P1_ROLLOFF_CONTROL, p_init->rolloff);
1413 stv0900_write_bits(intp, F0900_P2_ROLLOFF_CONTROL, p_init->rolloff);
1414
1415 intp->ts_config = p_init->ts_config;
1416 if (intp->ts_config == NULL)
1417 stv0900_set_ts_parallel_serial(intp,
1418 p_init->path1_ts_clock,
1419 p_init->path2_ts_clock);
1420 else {
1421 for (i = 0; intp->ts_config[i].addr != 0xffff; i++)
1422 stv0900_write_reg(intp,
1423 intp->ts_config[i].addr,
1424 intp->ts_config[i].val);
1425
1426 stv0900_write_bits(intp, F0900_P2_RST_HWARE, 1);
1427 stv0900_write_bits(intp, F0900_P2_RST_HWARE, 0);
1428 stv0900_write_bits(intp, F0900_P1_RST_HWARE, 1);
1429 stv0900_write_bits(intp, F0900_P1_RST_HWARE, 0);
1430 }
1431
cd79d33e
IL		 1432 intp->tuner_type[0] = p_init->tuner1_type;
1433 intp->tuner_type[1] = p_init->tuner2_type;
1434 /* tuner init */
1435 switch (p_init->tuner1_type) {
1436 case 3: /*FE_AUTO_STB6100:*/
1437 stv0900_write_reg(intp, R0900_P1_TNRCFG, 0x3c);
1438 stv0900_write_reg(intp, R0900_P1_TNRCFG2, 0x86);
1439 stv0900_write_reg(intp, R0900_P1_TNRCFG3, 0x18);
1440 stv0900_write_reg(intp, R0900_P1_TNRXTAL, 27); /* 27MHz */
1441 stv0900_write_reg(intp, R0900_P1_TNRSTEPS, 0x05);
1442 stv0900_write_reg(intp, R0900_P1_TNRGAIN, 0x17);
1443 stv0900_write_reg(intp, R0900_P1_TNRADJ, 0x1f);
1444 stv0900_write_reg(intp, R0900_P1_TNRCTL2, 0x0);
1445 stv0900_write_bits(intp, F0900_P1_TUN_TYPE, 3);
1446 break;
1447 /* case FE_SW_TUNER: */
1448 default:
1449 stv0900_write_bits(intp, F0900_P1_TUN_TYPE, 6);
1450 break;
1451 }
1452
1e0c397d
IL		 1453 stv0900_write_bits(intp, F0900_P1_TUN_MADDRESS, p_init->tun1_maddress);
1454 switch (p_init->tuner1_adc) {
1455 case 1:
1456 stv0900_write_reg(intp, R0900_TSTTNR1, 0x26);
1457 break;
1458 default:
1459 break;
1460 }
1461
cd79d33e
IL		 1462 stv0900_write_reg(intp, R0900_P1_TNRLD, 1); /* hw tuner */
1463
1464 /* tuner init */
1465 switch (p_init->tuner2_type) {
1466 case 3: /*FE_AUTO_STB6100:*/
1467 stv0900_write_reg(intp, R0900_P2_TNRCFG, 0x3c);
1468 stv0900_write_reg(intp, R0900_P2_TNRCFG2, 0x86);
1469 stv0900_write_reg(intp, R0900_P2_TNRCFG3, 0x18);
1470 stv0900_write_reg(intp, R0900_P2_TNRXTAL, 27); /* 27MHz */
1471 stv0900_write_reg(intp, R0900_P2_TNRSTEPS, 0x05);
1472 stv0900_write_reg(intp, R0900_P2_TNRGAIN, 0x17);
1473 stv0900_write_reg(intp, R0900_P2_TNRADJ, 0x1f);
1474 stv0900_write_reg(intp, R0900_P2_TNRCTL2, 0x0);
1475 stv0900_write_bits(intp, F0900_P2_TUN_TYPE, 3);
1476 break;
1477 /* case FE_SW_TUNER: */
1478 default:
1479 stv0900_write_bits(intp, F0900_P2_TUN_TYPE, 6);
1480 break;
1481 }
1482
1e0c397d
IL		 1483 stv0900_write_bits(intp, F0900_P2_TUN_MADDRESS, p_init->tun2_maddress);
1484 switch (p_init->tuner2_adc) {
1485 case 1:
1486 stv0900_write_reg(intp, R0900_TSTTNR3, 0x26);
1487 break;
1488 default:
1489 break;
99277b38
IL		 1490 }
1491
cd79d33e
IL		 1492 stv0900_write_reg(intp, R0900_P2_TNRLD, 1); /* hw tuner */
1493
1e0c397d
IL		 1494 stv0900_write_bits(intp, F0900_P1_TUN_IQSWAP, p_init->tun1_iq_inv);
1495 stv0900_write_bits(intp, F0900_P2_TUN_IQSWAP, p_init->tun2_iq_inv);
1496 stv0900_set_mclk(intp, 135000000);
1497 msleep(3);
1498
1499 switch (intp->clkmode) {
1500 case 0:
1501 case 2:
1502 stv0900_write_reg(intp, R0900_SYNTCTRL, 0x20 | intp->clkmode);
1503 break;
1504 default:
1505 selosci = 0x02 & stv0900_read_reg(intp, R0900_SYNTCTRL);
1506 stv0900_write_reg(intp, R0900_SYNTCTRL, 0x20 | selosci);
1507 break;
1508 }
1509 msleep(3);
1510
1511 intp->mclk = stv0900_get_mclk_freq(intp, intp->quartz);
1512 if (intp->errs)
1513 error = STV0900_I2C_ERROR;
1514
99277b38
IL		 1515 return error;
1516}
1517
1e0c397d 1518static int stv0900_status(struct stv0900_internal *intp,
99277b38
IL		 1519 enum fe_stv0900_demod_num demod)
1520{
1521 enum fe_stv0900_search_state demod_state;
99277b38 1522 int locked = FALSE;
247cb142
AO		 1523 u8 tsbitrate0_val, tsbitrate1_val;
1524 s32 bitrate;
99277b38 1525
1e0c397d 1526 demod_state = stv0900_get_bits(intp, HEADER_MODE);
99277b38
IL		 1527 switch (demod_state) {
1528 case STV0900_SEARCH:
1529 case STV0900_PLH_DETECTED:
1530 default:
1531 locked = FALSE;
1532 break;
1533 case STV0900_DVBS2_FOUND:
1e0c397d
IL		 1534 locked = stv0900_get_bits(intp, LOCK_DEFINITIF) &&
1535 stv0900_get_bits(intp, PKTDELIN_LOCK) &&
1536 stv0900_get_bits(intp, TSFIFO_LINEOK);
99277b38
IL		 1537 break;
1538 case STV0900_DVBS_FOUND:
1e0c397d
IL		 1539 locked = stv0900_get_bits(intp, LOCK_DEFINITIF) &&
1540 stv0900_get_bits(intp, LOCKEDVIT) &&
1541 stv0900_get_bits(intp, TSFIFO_LINEOK);
99277b38
IL		 1542 break;
1543 }
1544
1e0c397d
IL		 1545 dprintk("%s: locked = %d\n", __func__, locked);
1546
247cb142
AO		 1547 if (stvdebug) {
1548 /* Print TS bitrate */
1549 tsbitrate0_val = stv0900_read_reg(intp, TSBITRATE0);
1550 tsbitrate1_val = stv0900_read_reg(intp, TSBITRATE1);
1551 /* Formula Bit rate = Mclk * px_tsfifo_bitrate / 16384 */
1552 bitrate = (stv0900_get_mclk_freq(intp, intp->quartz)/1000000)
1553 * (tsbitrate1_val << 8 | tsbitrate0_val);
1554 bitrate /= 16384;
1555 dprintk("TS bitrate = %d Mbit/sec \n", bitrate);
1556 };
1557
99277b38
IL		 1558 return locked;
1559}
1560
41da5320 1561static enum dvbfe_search stv0900_search(struct dvb_frontend *fe)
99277b38
IL		 1562{
1563 struct stv0900_state *state = fe->demodulator_priv;
1e0c397d
IL		 1564 struct stv0900_internal *intp = state->internal;
1565 enum fe_stv0900_demod_num demod = state->demod;
99277b38
IL		 1566 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
1567
1568 struct stv0900_search_params p_search;
403c34f6 1569 struct stv0900_signal_info p_result = intp->result[demod];
99277b38
IL		 1570
1571 enum fe_stv0900_error error = STV0900_NO_ERROR;
1572
8171c205 1573 dprintk("%s: ", __func__);
99277b38 1574
1e0c397d
IL		 1575 if (!(INRANGE(100000, c->symbol_rate, 70000000)))
1576 return DVBFE_ALGO_SEARCH_FAILED;
1577
b699c271
IL		 1578 if (state->config->set_ts_params)
1579 state->config->set_ts_params(fe, 0);
1580
99277b38 1581 p_result.locked = FALSE;
1e0c397d 1582 p_search.path = demod;
99277b38
IL		 1583 p_search.frequency = c->frequency;
1584 p_search.symbol_rate = c->symbol_rate;
1585 p_search.search_range = 10000000;
1586 p_search.fec = STV0900_FEC_UNKNOWN;
1587 p_search.standard = STV0900_AUTO_SEARCH;
1588 p_search.iq_inversion = STV0900_IQ_AUTO;
1589 p_search.search_algo = STV0900_BLIND_SEARCH;
38cdbce7
IL		 1590 /* Speeds up DVB-S searching */
1591 if (c->delivery_system == SYS_DVBS)
1592 p_search.standard = STV0900_SEARCH_DVBS1;
99277b38 1593
1e0c397d
IL		 1594 intp->srch_standard[demod] = p_search.standard;
1595 intp->symbol_rate[demod] = p_search.symbol_rate;
1596 intp->srch_range[demod] = p_search.search_range;
1597 intp->freq[demod] = p_search.frequency;
1598 intp->srch_algo[demod] = p_search.search_algo;
1599 intp->srch_iq_inv[demod] = p_search.iq_inversion;
1600 intp->fec[demod] = p_search.fec;
1601 if ((stv0900_algo(fe) == STV0900_RANGEOK) &&
1602 (intp->errs == STV0900_NO_ERROR)) {
1603 p_result.locked = intp->result[demod].locked;
1604 p_result.standard = intp->result[demod].standard;
1605 p_result.frequency = intp->result[demod].frequency;
1606 p_result.symbol_rate = intp->result[demod].symbol_rate;
1607 p_result.fec = intp->result[demod].fec;
1608 p_result.modcode = intp->result[demod].modcode;
1609 p_result.pilot = intp->result[demod].pilot;
1610 p_result.frame_len = intp->result[demod].frame_len;
1611 p_result.spectrum = intp->result[demod].spectrum;
1612 p_result.rolloff = intp->result[demod].rolloff;
1613 p_result.modulation = intp->result[demod].modulation;
1614 } else {
1615 p_result.locked = FALSE;
1616 switch (intp->err[demod]) {
1617 case STV0900_I2C_ERROR:
1618 error = STV0900_I2C_ERROR;
99277b38 1619 break;
1e0c397d
IL		 1620 case STV0900_NO_ERROR:
1621 default:
1622 error = STV0900_SEARCH_FAILED;
99277b38
IL		 1623 break;
1624 }
1e0c397d 1625 }
99277b38
IL		 1626
1627 if ((p_result.locked == TRUE) && (error == STV0900_NO_ERROR)) {
8171c205 1628 dprintk("Search Success\n");
99277b38
IL		 1629 return DVBFE_ALGO_SEARCH_SUCCESS;
1630 } else {
8171c205 1631 dprintk("Search Fail\n");
99277b38
IL		 1632 return DVBFE_ALGO_SEARCH_FAILED;
1633 }
1634
99277b38
IL		 1635}
1636
1637static int stv0900_read_status(struct dvb_frontend *fe, enum fe_status *status)
1638{
1639 struct stv0900_state *state = fe->demodulator_priv;
1640
78175bf2 1641 dprintk("%s: ", __func__);
99277b38
IL		 1642
1643 if ((stv0900_status(state->internal, state->demod)) == TRUE) {
1644 dprintk("DEMOD LOCK OK\n");
1645 *status = FE_HAS_CARRIER
1646 | FE_HAS_VITERBI
1647 | FE_HAS_SYNC
1648 | FE_HAS_LOCK;
fa8bae10
IL		 1649 if (state->config->set_lock_led)
1650 state->config->set_lock_led(fe, 1);
1651 } else {
3b30e0a8 1652 *status = 0;
fa8bae10
IL		 1653 if (state->config->set_lock_led)
1654 state->config->set_lock_led(fe, 0);
99277b38 1655 dprintk("DEMOD LOCK FAIL\n");
fa8bae10 1656 }
99277b38
IL		 1657
1658 return 0;
1659}
1660
99277b38
IL		 1661static int stv0900_stop_ts(struct dvb_frontend *fe, int stop_ts)
1662{
1663
1664 struct stv0900_state *state = fe->demodulator_priv;
1e0c397d 1665 struct stv0900_internal *intp = state->internal;
99277b38 1666 enum fe_stv0900_demod_num demod = state->demod;
99277b38
IL		 1667
1668 if (stop_ts == TRUE)
1e0c397d 1669 stv0900_write_bits(intp, RST_HWARE, 1);
99277b38 1670 else
1e0c397d 1671 stv0900_write_bits(intp, RST_HWARE, 0);
99277b38
IL		 1672
1673 return 0;
1674}
1675
1676static int stv0900_diseqc_init(struct dvb_frontend *fe)
1677{
1678 struct stv0900_state *state = fe->demodulator_priv;
1e0c397d 1679 struct stv0900_internal *intp = state->internal;
99277b38 1680 enum fe_stv0900_demod_num demod = state->demod;
99277b38 1681
1e0c397d
IL		 1682 stv0900_write_bits(intp, DISTX_MODE, state->config->diseqc_mode);
1683 stv0900_write_bits(intp, DISEQC_RESET, 1);
1684 stv0900_write_bits(intp, DISEQC_RESET, 0);
99277b38
IL		 1685
1686 return 0;
1687}
1688
1689static int stv0900_init(struct dvb_frontend *fe)
1690{
8171c205 1691 dprintk("%s\n", __func__);
99277b38
IL		 1692
1693 stv0900_stop_ts(fe, 1);
1694 stv0900_diseqc_init(fe);
1695
1696 return 0;
1697}
1698
1e0c397d 1699static int stv0900_diseqc_send(struct stv0900_internal *intp , u8 *data,
99277b38
IL		 1700 u32 NbData, enum fe_stv0900_demod_num demod)
1701{
1702 s32 i = 0;
1703
1e0c397d
IL		 1704 stv0900_write_bits(intp, DIS_PRECHARGE, 1);
1705 while (i < NbData) {
1706 while (stv0900_get_bits(intp, FIFO_FULL))
1707 ;/* checkpatch complains */
1708 stv0900_write_reg(intp, DISTXDATA, data[i]);
1709 i++;
1710 }
99277b38 1711
1e0c397d
IL		 1712 stv0900_write_bits(intp, DIS_PRECHARGE, 0);
1713 i = 0;
1714 while ((stv0900_get_bits(intp, TX_IDLE) != 1) && (i < 10)) {
1715 msleep(10);
1716 i++;
99277b38
IL		 1717 }
1718
1719 return 0;
1720}
1721
1722static int stv0900_send_master_cmd(struct dvb_frontend *fe,
1723 struct dvb_diseqc_master_cmd *cmd)
1724{
1725 struct stv0900_state *state = fe->demodulator_priv;
1726
1727 return stv0900_diseqc_send(state->internal,
1728 cmd->msg,
1729 cmd->msg_len,
1730 state->demod);
1731}
1732
1733static int stv0900_send_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t burst)
1734{
1735 struct stv0900_state *state = fe->demodulator_priv;
1e0c397d 1736 struct stv0900_internal *intp = state->internal;
99277b38 1737 enum fe_stv0900_demod_num demod = state->demod;
9329fb5b 1738 u8 data;
99277b38 1739
99277b38
IL		 1740
1741 switch (burst) {
1742 case SEC_MINI_A:
1e0c397d 1743 stv0900_write_bits(intp, DISTX_MODE, 3);/* Unmodulated */
9329fb5b 1744 data = 0x00;
1e0c397d 1745 stv0900_diseqc_send(intp, &data, 1, state->demod);
99277b38
IL		 1746 break;
1747 case SEC_MINI_B:
1e0c397d 1748 stv0900_write_bits(intp, DISTX_MODE, 2);/* Modulated */
9329fb5b 1749 data = 0xff;
1e0c397d 1750 stv0900_diseqc_send(intp, &data, 1, state->demod);
99277b38
IL		 1751 break;
1752 }
1753
1754 return 0;
1755}
1756
1757static int stv0900_recv_slave_reply(struct dvb_frontend *fe,
1758 struct dvb_diseqc_slave_reply *reply)
1759{
1760 struct stv0900_state *state = fe->demodulator_priv;
1e0c397d
IL		 1761 struct stv0900_internal *intp = state->internal;
1762 enum fe_stv0900_demod_num demod = state->demod;
99277b38
IL		 1763 s32 i = 0;
1764
1e0c397d 1765 reply->msg_len = 0;
99277b38 1766
1e0c397d
IL		 1767 while ((stv0900_get_bits(intp, RX_END) != 1) && (i < 10)) {
1768 msleep(10);
1769 i++;
1770 }
99277b38 1771
1e0c397d
IL		 1772 if (stv0900_get_bits(intp, RX_END)) {
1773 reply->msg_len = stv0900_get_bits(intp, FIFO_BYTENBR);
99277b38 1774
1e0c397d
IL		 1775 for (i = 0; i < reply->msg_len; i++)
1776 reply->msg[i] = stv0900_read_reg(intp, DISRXDATA);
99277b38
IL		 1777 }
1778
1779 return 0;
1780}
1781
9329fb5b 1782static int stv0900_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t toneoff)
99277b38
IL		 1783{
1784 struct stv0900_state *state = fe->demodulator_priv;
1e0c397d 1785 struct stv0900_internal *intp = state->internal;
99277b38 1786 enum fe_stv0900_demod_num demod = state->demod;
99277b38 1787
9329fb5b 1788 dprintk("%s: %s\n", __func__, ((toneoff == 0) ? "On" : "Off"));
99277b38 1789
9329fb5b
AO		 1790 switch (toneoff) {
1791 case SEC_TONE_ON:
1792 /*Set the DiseqC mode to 22Khz _continues_ tone*/
1e0c397d
IL		 1793 stv0900_write_bits(intp, DISTX_MODE, 0);
1794 stv0900_write_bits(intp, DISEQC_RESET, 1);
99277b38 1795 /*release DiseqC reset to enable the 22KHz tone*/
1e0c397d 1796 stv0900_write_bits(intp, DISEQC_RESET, 0);
9329fb5b
AO		 1797 break;
1798 case SEC_TONE_OFF:
1799 /*return diseqc mode to config->diseqc_mode.
1800 Usually it's without _continues_ tone */
1e0c397d 1801 stv0900_write_bits(intp, DISTX_MODE,
9329fb5b 1802 state->config->diseqc_mode);
99277b38 1803 /*maintain the DiseqC reset to disable the 22KHz tone*/
1e0c397d
IL		 1804 stv0900_write_bits(intp, DISEQC_RESET, 1);
1805 stv0900_write_bits(intp, DISEQC_RESET, 0);
9329fb5b
AO		 1806 break;
1807 default:
1808 return -EINVAL;
99277b38
IL		 1809 }
1810
1811 return 0;
1812}
1813
1814static void stv0900_release(struct dvb_frontend *fe)
1815{
1816 struct stv0900_state *state = fe->demodulator_priv;
1817
8171c205 1818 dprintk("%s\n", __func__);
99277b38 1819
fa8bae10
IL		 1820 if (state->config->set_lock_led)
1821 state->config->set_lock_led(fe, 0);
1822
99277b38
IL		 1823 if ((--(state->internal->dmds_used)) <= 0) {
1824
8171c205 1825 dprintk("%s: Actually removing\n", __func__);
99277b38
IL		 1826
1827 remove_inode(state->internal);
1828 kfree(state->internal);
1829 }
1830
1831 kfree(state);
1832}
1833
fa8bae10
IL		 1834static int stv0900_sleep(struct dvb_frontend *fe)
1835{
1836 struct stv0900_state *state = fe->demodulator_priv;
1837
1838 dprintk("%s\n", __func__);
1839
1840 if (state->config->set_lock_led)
1841 state->config->set_lock_led(fe, 0);
1842
1843 return 0;
1844}
1845
7c61d80a 1846static int stv0900_get_frontend(struct dvb_frontend *fe)
403c34f6 1847{
7c61d80a 1848 struct dtv_frontend_properties *p = &fe->dtv_property_cache;
403c34f6
AO		 1849 struct stv0900_state *state = fe->demodulator_priv;
1850 struct stv0900_internal *intp = state->internal;
1851 enum fe_stv0900_demod_num demod = state->demod;
1852 struct stv0900_signal_info p_result = intp->result[demod];
1853
1854 p->frequency = p_result.locked ? p_result.frequency : 0;
38d945e0 1855 p->symbol_rate = p_result.locked ? p_result.symbol_rate : 0;
403c34f6
AO		 1856 return 0;
1857}
1858
99277b38 1859static struct dvb_frontend_ops stv0900_ops = {
38d945e0 1860 .delsys = { SYS_DVBS, SYS_DVBS2, SYS_DSS },
99277b38
IL		 1861 .info = {
1862 .name = "STV0900 frontend",
99277b38
IL		 1863 .frequency_min = 950000,
1864 .frequency_max = 2150000,
1865 .frequency_stepsize = 125,
1866 .frequency_tolerance = 0,
1867 .symbol_rate_min = 1000000,
1868 .symbol_rate_max = 45000000,
1869 .symbol_rate_tolerance = 500,
1870 .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 |
1871 FE_CAN_FEC_3_4 | FE_CAN_FEC_5_6 |
1872 FE_CAN_FEC_7_8 | FE_CAN_QPSK |
1873 FE_CAN_2G_MODULATION |
1874 FE_CAN_FEC_AUTO
1875 },
1876 .release = stv0900_release,
1877 .init = stv0900_init,
38d945e0 1878 .get_frontend = stv0900_get_frontend,
fa8bae10 1879 .sleep = stv0900_sleep,
99277b38
IL		 1880 .get_frontend_algo = stv0900_frontend_algo,
1881 .i2c_gate_ctrl = stv0900_i2c_gate_ctrl,
1882 .diseqc_send_master_cmd = stv0900_send_master_cmd,
1883 .diseqc_send_burst = stv0900_send_burst,
1884 .diseqc_recv_slave_reply = stv0900_recv_slave_reply,
1885 .set_tone = stv0900_set_tone,
99277b38 1886 .search = stv0900_search,
99277b38
IL		 1887 .read_status = stv0900_read_status,
1888 .read_ber = stv0900_read_ber,
1889 .read_signal_strength = stv0900_read_signal_strength,
1890 .read_snr = stv0900_read_snr,
ee1ebcfe 1891 .read_ucblocks = stv0900_read_ucblocks,
99277b38
IL		 1892};
1893
1894struct dvb_frontend *stv0900_attach(const struct stv0900_config *config,
1895 struct i2c_adapter *i2c,
1896 int demod)
1897{
1898 struct stv0900_state *state = NULL;
1899 struct stv0900_init_params init_params;
1900 enum fe_stv0900_error err_stv0900;
1901
1902 state = kzalloc(sizeof(struct stv0900_state), GFP_KERNEL);
1903 if (state == NULL)
1904 goto error;
1905
1906 state->demod = demod;
1907 state->config = config;
1908 state->i2c_adap = i2c;
1909
1910 memcpy(&state->frontend.ops, &stv0900_ops,
1911 sizeof(struct dvb_frontend_ops));
1912 state->frontend.demodulator_priv = state;
1913
1914 switch (demod) {
1915 case 0:
1916 case 1:
1917 init_params.dmd_ref_clk = config->xtal;
29372a8d 1918 init_params.demod_mode = config->demod_mode;
99277b38
IL		 1919 init_params.rolloff = STV0900_35;
1920 init_params.path1_ts_clock = config->path1_mode;
1921 init_params.tun1_maddress = config->tun1_maddress;
1e0c397d 1922 init_params.tun1_iq_inv = STV0900_IQ_NORMAL;
99277b38 1923 init_params.tuner1_adc = config->tun1_adc;
cd79d33e 1924 init_params.tuner1_type = config->tun1_type;
99277b38 1925 init_params.path2_ts_clock = config->path2_mode;
f867c3f4 1926 init_params.ts_config = config->ts_config_regs;
99277b38
IL		 1927 init_params.tun2_maddress = config->tun2_maddress;
1928 init_params.tuner2_adc = config->tun2_adc;
cd79d33e 1929 init_params.tuner2_type = config->tun2_type;
1e0c397d 1930 init_params.tun2_iq_inv = STV0900_IQ_SWAPPED;
99277b38
IL		 1931
1932 err_stv0900 = stv0900_init_internal(&state->frontend,
1933 &init_params);
1934
1935 if (err_stv0900)
1936 goto error;
1937
99277b38
IL		 1938 break;
1939 default:
1940 goto error;
1941 break;
1942 }
1943
1944 dprintk("%s: Attaching STV0900 demodulator(%d) \n", __func__, demod);
1945 return &state->frontend;
1946
1947error:
1948 dprintk("%s: Failed to attach STV0900 demodulator(%d) \n",
1949 __func__, demod);
1950 kfree(state);
1951 return NULL;
1952}
1953EXPORT_SYMBOL(stv0900_attach);
1954
1955MODULE_PARM_DESC(debug, "Set debug");
1956
1957MODULE_AUTHOR("Igor M. Liplianin");
1958MODULE_DESCRIPTION("ST STV0900 frontend");
1959MODULE_LICENSE("GPL");
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