blob: fe298654b34bbd34abc7da0c40fee73726fa3553 [file] [log] [blame]
Manu Abraham8bd135b2007-07-03 09:53:42 -03001/*
2 STB0899 Multistandard Frontend driver
3 Copyright (C) Manu Abraham (abraham.manu@gmail.com)
4
5 Copyright (C) ST Microelectronics
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20*/
21
22#include <linux/init.h>
23#include <linux/kernel.h>
24#include <linux/module.h>
25#include <linux/string.h>
26
27#include <linux/dvb/frontend.h>
28#include "dvb_frontend.h"
29
30#include "stb0899_drv.h"
31#include "stb0899_priv.h"
32#include "stb0899_reg.h"
33
34static unsigned int verbose = 5;
35module_param(verbose, int, 0644);
36
37/* C/N in dB/10, NIRM/NIRL */
38static const struct stb0899_tab stb0899_cn_tab[] = {
39 { 200, 2600 },
40 { 190, 2700 },
41 { 180, 2860 },
42 { 170, 3020 },
43 { 160, 3210 },
44 { 150, 3440 },
45 { 140, 3710 },
46 { 130, 4010 },
47 { 120, 4360 },
48 { 110, 4740 },
49 { 100, 5190 },
50 { 90, 5670 },
51 { 80, 6200 },
52 { 70, 6770 },
53 { 60, 7360 },
54 { 50, 7970 },
55 { 40, 8250 },
56 { 30, 9000 },
57 { 20, 9450 },
58 { 15, 9600 },
59};
60
61/* DVB-S AGCIQ_VALUE vs. signal level in dBm/10.
62 * As measured, connected to a modulator.
63 * -8.0 to -50.0 dBm directly connected,
64 * -52.0 to -74.8 with extra attenuation.
65 * Cut-off to AGCIQ_VALUE = 0x80 below -74.8dBm.
66 * Crude linear extrapolation below -84.8dBm and above -8.0dBm.
67 */
68static const struct stb0899_tab stb0899_dvbsrf_tab[] = {
69 { -950, -128 },
70 { -748, -94 },
71 { -745, -92 },
72 { -735, -90 },
73 { -720, -87 },
74 { -670, -77 },
75 { -640, -70 },
76 { -610, -62 },
77 { -600, -60 },
78 { -590, -56 },
79 { -560, -41 },
80 { -540, -25 },
81 { -530, -17 },
82 { -520, -11 },
83 { -500, 1 },
84 { -490, 6 },
85 { -480, 10 },
86 { -440, 22 },
87 { -420, 27 },
88 { -400, 31 },
89 { -380, 34 },
90 { -340, 40 },
91 { -320, 43 },
92 { -280, 48 },
93 { -250, 52 },
94 { -230, 55 },
95 { -180, 61 },
96 { -140, 66 },
97 { -90, 73 },
98 { -80, 74 },
99 { 500, 127 }
100};
101
102/* DVB-S2 IF_AGC_GAIN vs. signal level in dBm/10.
103 * As measured, connected to a modulator.
104 * -8.0 to -50.1 dBm directly connected,
105 * -53.0 to -76.6 with extra attenuation.
106 * Cut-off to IF_AGC_GAIN = 0x3fff below -76.6dBm.
107 * Crude linear extrapolation below -76.6dBm and above -8.0dBm.
108 */
109static const struct stb0899_tab stb0899_dvbs2rf_tab[] = {
110 { 700, 0 },
111 { -80, 3217 },
112 { -150, 3893 },
113 { -190, 4217 },
114 { -240, 4621 },
115 { -280, 4945 },
116 { -320, 5273 },
117 { -350, 5545 },
118 { -370, 5741 },
119 { -410, 6147 },
120 { -450, 6671 },
121 { -490, 7413 },
122 { -501, 7665 },
123 { -530, 8767 },
124 { -560, 10219 },
125 { -580, 10939 },
126 { -590, 11518 },
127 { -600, 11723 },
128 { -650, 12659 },
129 { -690, 13219 },
130 { -730, 13645 },
131 { -750, 13909 },
132 { -766, 14153 },
133 { -999, 16383 }
134};
135
136/* DVB-S2 Es/N0 quant in dB/100 vs read value * 100*/
137struct stb0899_tab stb0899_quant_tab[] = {
138 { 0, 0 },
139 { 0, 100 },
140 { 600, 200 },
141 { 950, 299 },
142 { 1200, 398 },
143 { 1400, 501 },
144 { 1560, 603 },
145 { 1690, 700 },
146 { 1810, 804 },
147 { 1910, 902 },
148 { 2000, 1000 },
149 { 2080, 1096 },
150 { 2160, 1202 },
151 { 2230, 1303 },
152 { 2350, 1496 },
153 { 2410, 1603 },
154 { 2460, 1698 },
155 { 2510, 1799 },
156 { 2600, 1995 },
157 { 2650, 2113 },
158 { 2690, 2213 },
159 { 2720, 2291 },
160 { 2760, 2399 },
161 { 2800, 2512 },
162 { 2860, 2692 },
163 { 2930, 2917 },
164 { 2960, 3020 },
165 { 3010, 3199 },
166 { 3040, 3311 },
167 { 3060, 3388 },
168 { 3120, 3631 },
169 { 3190, 3936 },
170 { 3400, 5012 },
171 { 3610, 6383 },
172 { 3800, 7943 },
173 { 4210, 12735 },
174 { 4500, 17783 },
175 { 4690, 22131 },
176 { 4810, 25410 }
177};
178
179/* DVB-S2 Es/N0 estimate in dB/100 vs read value */
180struct stb0899_tab stb0899_est_tab[] = {
181 { 0, 0 },
182 { 0, 1 },
183 { 301, 2 },
184 { 1204, 16 },
185 { 1806, 64 },
186 { 2408, 256 },
187 { 2709, 512 },
188 { 3010, 1023 },
189 { 3311, 2046 },
190 { 3612, 4093 },
191 { 3823, 6653 },
192 { 3913, 8185 },
193 { 4010, 10233 },
194 { 4107, 12794 },
195 { 4214, 16368 },
196 { 4266, 18450 },
197 { 4311, 20464 },
198 { 4353, 22542 },
199 { 4391, 24604 },
200 { 4425, 26607 },
201 { 4457, 28642 },
202 { 4487, 30690 },
203 { 4515, 32734 },
204 { 4612, 40926 },
205 { 4692, 49204 },
206 { 4816, 65464 },
207 { 4913, 81846 },
208 { 4993, 98401 },
209 { 5060, 114815 },
210 { 5118, 131220 },
211 { 5200, 158489 },
212 { 5300, 199526 },
213 { 5400, 251189 },
214 { 5500, 316228 },
215 { 5600, 398107 },
216 { 5720, 524807 },
217 { 5721, 526017 },
218};
219
220int _stb0899_read_reg(struct stb0899_state *state, unsigned int reg)
221{
222 int ret;
223
224 u8 b0[] = { reg >> 8, reg & 0xff };
225 u8 buf;
226
227 struct i2c_msg msg[] = {
228 {
229 .addr = state->config->demod_address,
230 .flags = 0,
231 .buf = b0,
232 .len = 2
233 },{
234 .addr = state->config->demod_address,
235 .flags = I2C_M_RD,
236 .buf = &buf,
237 .len = 1
238 }
239 };
240
241 ret = i2c_transfer(state->i2c, msg, 2);
242 if (ret != 2) {
243 if (ret != -ERESTARTSYS)
244 dprintk(verbose, FE_ERROR, 1,
245 "Read error, Reg=[0x%02x], Status=%d",
246 reg, ret);
247
248 return ret < 0 ? ret : -EREMOTEIO;
249 }
250 if (unlikely(verbose >= FE_DEBUGREG))
251 dprintk(verbose, FE_ERROR, 1, "Reg=[0x%02x], data=%02x",
252 reg, buf);
253
Manu Abraham8bd135b2007-07-03 09:53:42 -0300254 return (unsigned int)buf;
255}
256
257int stb0899_read_reg(struct stb0899_state *state, unsigned int reg)
258{
259 int result;
260
261 result = _stb0899_read_reg(state, reg);
262 /*
263 * Bug ID 9:
264 * access to 0xf2xx/0xf6xx
265 * must be followed by read from 0xf2ff/0xf6ff.
266 */
267 if ((reg != 0xf2ff) && (reg != 0xf6ff) &&
268 (((reg & 0xff00) == 0xf200) || ((reg & 0xff00) == 0xf600)))
269 _stb0899_read_reg(state, (reg | 0x00ff));
270
271 return result;
272}
273
274u32 _stb0899_read_s2reg(struct stb0899_state *state,
275 u32 stb0899_i2cdev,
276 u32 stb0899_base_addr,
277 u16 stb0899_reg_offset)
278{
279 int status;
280 u32 data;
281 u8 buf[7] = { 0 };
282 u16 tmpaddr;
283
284 u8 buf_0[] = {
285 GETBYTE(stb0899_i2cdev, BYTE1), /* 0xf3 S2 Base Address (MSB) */
286 GETBYTE(stb0899_i2cdev, BYTE0), /* 0xfc S2 Base Address (LSB) */
287 GETBYTE(stb0899_base_addr, BYTE0), /* 0x00 Base Address (LSB) */
288 GETBYTE(stb0899_base_addr, BYTE1), /* 0x04 Base Address (LSB) */
289 GETBYTE(stb0899_base_addr, BYTE2), /* 0x00 Base Address (MSB) */
290 GETBYTE(stb0899_base_addr, BYTE3), /* 0x00 Base Address (MSB) */
291 };
292 u8 buf_1[] = {
293 0x00, /* 0xf3 Reg Offset */
294 0x00, /* 0x44 Reg Offset */
295 };
296
297 struct i2c_msg msg_0 = {
298 .addr = state->config->demod_address,
299 .flags = 0,
300 .buf = buf_0,
301 .len = 6
302 };
303
304 struct i2c_msg msg_1 = {
305 .addr = state->config->demod_address,
306 .flags = 0,
307 .buf = buf_1,
308 .len = 2
309 };
310
311 struct i2c_msg msg_r = {
312 .addr = state->config->demod_address,
313 .flags = I2C_M_RD,
314 .buf = buf,
315 .len = 4
316 };
317
318 tmpaddr = stb0899_reg_offset & 0xff00;
319 if (!(stb0899_reg_offset & 0x8))
320 tmpaddr = stb0899_reg_offset | 0x20;
321
322 buf_1[0] = GETBYTE(tmpaddr, BYTE1);
323 buf_1[1] = GETBYTE(tmpaddr, BYTE0);
324
325 status = i2c_transfer(state->i2c, &msg_0, 1);
326 if (status < 1) {
327 if (status != -ERESTARTSYS)
328 printk(KERN_ERR "%s ERR(1), Device=[0x%04x], Base address=[0x%08x], Offset=[0x%04x], Status=%d\n",
329 __func__, stb0899_i2cdev, stb0899_base_addr, stb0899_reg_offset, status);
330
331 goto err;
332 }
333
334 /* Dummy */
335 status = i2c_transfer(state->i2c, &msg_1, 1);
336 if (status < 1)
337 goto err;
338
339 status = i2c_transfer(state->i2c, &msg_r, 1);
340 if (status < 1)
341 goto err;
342
343 buf_1[0] = GETBYTE(stb0899_reg_offset, BYTE1);
344 buf_1[1] = GETBYTE(stb0899_reg_offset, BYTE0);
345
346 /* Actual */
347 status = i2c_transfer(state->i2c, &msg_1, 1);
348 if (status < 1) {
349 if (status != -ERESTARTSYS)
350 printk(KERN_ERR "%s ERR(2), Device=[0x%04x], Base address=[0x%08x], Offset=[0x%04x], Status=%d\n",
351 __func__, stb0899_i2cdev, stb0899_base_addr, stb0899_reg_offset, status);
352 goto err;
353 }
354
355 status = i2c_transfer(state->i2c, &msg_r, 1);
356 if (status < 1) {
357 if (status != -ERESTARTSYS)
358 printk(KERN_ERR "%s ERR(3), Device=[0x%04x], Base address=[0x%08x], Offset=[0x%04x], Status=%d\n",
359 __func__, stb0899_i2cdev, stb0899_base_addr, stb0899_reg_offset, status);
360 return status < 0 ? status : -EREMOTEIO;
361 }
362
363 data = MAKEWORD32(buf[3], buf[2], buf[1], buf[0]);
364 if (unlikely(state->verbose >= FE_DEBUGREG))
365 printk(KERN_DEBUG "%s Device=[0x%04x], Base address=[0x%08x], Offset=[0x%04x], Data=[0x%08x]\n",
366 __func__, stb0899_i2cdev, stb0899_base_addr, stb0899_reg_offset, data);
367
368 return data;
369
370err:
371 return status < 0 ? status : -EREMOTEIO;
372}
373
374int stb0899_write_s2reg(struct stb0899_state *state,
375 u32 stb0899_i2cdev,
376 u32 stb0899_base_addr,
377 u16 stb0899_reg_offset,
378 u32 stb0899_data)
379{
380 int status;
381
382 /* Base Address Setup */
383 u8 buf_0[] = {
384 GETBYTE(stb0899_i2cdev, BYTE1), /* 0xf3 S2 Base Address (MSB) */
385 GETBYTE(stb0899_i2cdev, BYTE0), /* 0xfc S2 Base Address (LSB) */
386 GETBYTE(stb0899_base_addr, BYTE0), /* 0x00 Base Address (LSB) */
387 GETBYTE(stb0899_base_addr, BYTE1), /* 0x04 Base Address (LSB) */
388 GETBYTE(stb0899_base_addr, BYTE2), /* 0x00 Base Address (MSB) */
389 GETBYTE(stb0899_base_addr, BYTE3), /* 0x00 Base Address (MSB) */
390 };
391 u8 buf_1[] = {
392 0x00, /* 0xf3 Reg Offset */
393 0x00, /* 0x44 Reg Offset */
394 0x00, /* data */
395 0x00, /* data */
396 0x00, /* data */
397 0x00, /* data */
398 };
399
400 struct i2c_msg msg_0 = {
401 .addr = state->config->demod_address,
402 .flags = 0,
403 .buf = buf_0,
404 .len = 6
405 };
406
407 struct i2c_msg msg_1 = {
408 .addr = state->config->demod_address,
409 .flags = 0,
410 .buf = buf_1,
411 .len = 6
412 };
413
414 buf_1[0] = GETBYTE(stb0899_reg_offset, BYTE1);
415 buf_1[1] = GETBYTE(stb0899_reg_offset, BYTE0);
416 buf_1[2] = GETBYTE(stb0899_data, BYTE0);
417 buf_1[3] = GETBYTE(stb0899_data, BYTE1);
418 buf_1[4] = GETBYTE(stb0899_data, BYTE2);
419 buf_1[5] = GETBYTE(stb0899_data, BYTE3);
420
421 if (unlikely(state->verbose >= FE_DEBUGREG))
422 printk(KERN_DEBUG "%s Device=[0x%04x], Base Address=[0x%08x], Offset=[0x%04x], Data=[0x%08x]\n",
423 __func__, stb0899_i2cdev, stb0899_base_addr, stb0899_reg_offset, stb0899_data);
424
425 status = i2c_transfer(state->i2c, &msg_0, 1);
426 if (unlikely(status < 1)) {
427 if (status != -ERESTARTSYS)
428 printk(KERN_ERR "%s ERR (1), Device=[0x%04x], Base Address=[0x%08x], Offset=[0x%04x], Data=[0x%08x], status=%d\n",
429 __func__, stb0899_i2cdev, stb0899_base_addr, stb0899_reg_offset, stb0899_data, status);
430 goto err;
431 }
432 status = i2c_transfer(state->i2c, &msg_1, 1);
433 if (unlikely(status < 1)) {
434 if (status != -ERESTARTSYS)
435 printk(KERN_ERR "%s ERR (2), Device=[0x%04x], Base Address=[0x%08x], Offset=[0x%04x], Data=[0x%08x], status=%d\n",
436 __func__, stb0899_i2cdev, stb0899_base_addr, stb0899_reg_offset, stb0899_data, status);
437
438 return status < 0 ? status : -EREMOTEIO;
439 }
440
441 return 0;
442
443err:
444 return status < 0 ? status : -EREMOTEIO;
445}
446
447int stb0899_read_regs(struct stb0899_state *state, unsigned int reg, u8 *buf, size_t count)
448{
449 int status;
450
451 u8 b0[] = { reg >> 8, reg & 0xff };
452
453 struct i2c_msg msg[] = {
454 {
455 .addr = state->config->demod_address,
456 .flags = 0,
457 .buf = b0,
458 .len = 2
459 },{
460 .addr = state->config->demod_address,
461 .flags = I2C_M_RD,
462 .buf = buf,
463 .len = count
464 }
465 };
466
467 status = i2c_transfer(state->i2c, msg, 2);
468 if (status != 2) {
469 if (status != -ERESTARTSYS)
470 printk(KERN_ERR "%s Read error, Reg=[0x%04x], Count=%u, Status=%d\n",
471 __func__, reg, count, status);
472 goto err;
473 }
474 /*
475 * Bug ID 9:
476 * access to 0xf2xx/0xf6xx
477 * must be followed by read from 0xf2ff/0xf6ff.
478 */
479 if ((reg != 0xf2ff) && (reg != 0xf6ff) &&
480 (((reg & 0xff00) == 0xf200) || ((reg & 0xff00) == 0xf600)))
481 _stb0899_read_reg(state, (reg | 0x00ff));
482
483 if (unlikely(state->verbose >= FE_DEBUGREG)) {
484 int i;
485
486 printk(KERN_DEBUG "%s [0x%04x]:", __func__, reg);
487 for (i = 0; i < count; i++) {
488 printk(" %02x", buf[i]);
489 }
490 printk("\n");
491 }
492
493 return 0;
494err:
495 return status < 0 ? status : -EREMOTEIO;
496}
497
498int stb0899_write_regs(struct stb0899_state *state, unsigned int reg, u8 *data, size_t count)
499{
500 int ret;
501 u8 buf[2 + count];
502 struct i2c_msg i2c_msg = {
503 .addr = state->config->demod_address,
504 .flags = 0,
505 .buf = buf,
506 .len = 2 + count
507 };
508
509 buf[0] = reg >> 8;
510 buf[1] = reg & 0xff;
511 memcpy(&buf[2], data, count);
512
513 if (unlikely(state->verbose >= FE_DEBUGREG)) {
514 int i;
515
516 printk(KERN_DEBUG "%s [0x%04x]:", __func__, reg);
517 for (i = 0; i < count; i++)
518 printk(" %02x", data[i]);
519 printk("\n");
520 }
521 ret = i2c_transfer(state->i2c, &i2c_msg, 1);
522
523 /*
524 * Bug ID 9:
525 * access to 0xf2xx/0xf6xx
526 * must be followed by read from 0xf2ff/0xf6ff.
527 */
528 if ((((reg & 0xff00) == 0xf200) || ((reg & 0xff00) == 0xf600)))
529 stb0899_read_reg(state, (reg | 0x00ff));
530
531 if (ret != 1) {
532 if (ret != -ERESTARTSYS)
533 dprintk(verbose, FE_ERROR, 1, "Reg=[0x%04x], Data=[0x%02x ...], Count=%u, Status=%d",
534 reg, data[0], count, ret);
535 return ret < 0 ? ret : -EREMOTEIO;
536 }
537
538 return 0;
539}
540
541int stb0899_write_reg(struct stb0899_state *state, unsigned int reg, u8 data)
542{
543 return stb0899_write_regs(state, reg, &data, 1);
544}
545
546/*
547 * stb0899_get_mclk
548 * Get STB0899 master clock frequency
549 * ExtClk: external clock frequency (Hz)
550 */
551static u32 stb0899_get_mclk(struct stb0899_state *state)
552{
553 u32 mclk = 90000000, div = 0;
554
555 div = stb0899_read_reg(state, STB0899_NCOARSE);
556 mclk = (div + 1) * state->config->xtal_freq / 6;
557 dprintk(verbose, FE_DEBUG, 1, "div=%d, mclk=%d", div, mclk);
558
559 return mclk;
560}
561
562/*
563 * stb0899_set_mclk
564 * Set STB0899 master Clock frequency
565 * Mclk: demodulator master clock
566 * ExtClk: external clock frequency (Hz)
567 */
568static void stb0899_set_mclk(struct stb0899_state *state, u32 Mclk)
569{
570 struct stb0899_internal *internal = &state->internal;
571 u8 mdiv = 0;
572
573 dprintk(verbose, FE_DEBUG, 1, "state->config=%p", state->config);
574 mdiv = ((6 * Mclk) / state->config->xtal_freq) - 1;
575 dprintk(verbose, FE_DEBUG, 1, "mdiv=%d", mdiv);
576
577 stb0899_write_reg(state, STB0899_NCOARSE, mdiv);
578 internal->master_clk = stb0899_get_mclk(state);
579
580 dprintk(verbose, FE_DEBUG, 1, "MasterCLOCK=%d", internal->master_clk);
581}
582
583static void stb0899_release(struct dvb_frontend *fe)
584{
585 struct stb0899_state *state = fe->demodulator_priv;
586
587 dprintk(verbose, FE_DEBUG, 1, "Release Frontend");
588 kfree(state);
589}
590
591/*
592 * stb0899_get_alpha
593 * return: rolloff
594 */
595static int stb0899_get_alpha(struct stb0899_state *state)
596{
597 u8 mode_coeff;
598
599 mode_coeff = stb0899_read_reg(state, STB0899_DEMOD);
600
601 if (STB0899_GETFIELD(MODECOEFF, mode_coeff) == 1)
602 return 20;
603 else
604 return 35;
605}
606
607/*
608 * stb0899_init_calc
609 */
610static void stb0899_init_calc(struct stb0899_state *state)
611{
612 struct stb0899_internal *internal = &state->internal;
613 int master_clk;
614 u8 agc[1];
615 u8 agc1cn;
616 u32 reg;
617
618 /* Read registers (in burst mode) */
619 agc1cn = stb0899_read_reg(state, STB0899_AGC1CN);
620 stb0899_read_regs(state, STB0899_AGC1REF, agc, 2); /* AGC1R and AGC2O */
621
622 /* Initial calculations */
623 master_clk = stb0899_get_mclk(state);
624 internal->t_agc1 = 0;
625 internal->t_agc2 = 0;
626 internal->master_clk = master_clk;
627 internal->mclk = master_clk / 65536L;
628 internal->rolloff = stb0899_get_alpha(state);
629
630 /* DVBS2 Initial calculations */
631 /* Set AGC value to the middle */
632 internal->agc_gain = 8154;
633 reg = STB0899_READ_S2REG(STB0899_S2DEMOD, IF_AGC_CNTRL);
634 STB0899_SETFIELD_VAL(IF_GAIN_INIT, reg, internal->agc_gain);
635 stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_IF_AGC_CNTRL, STB0899_OFF0_IF_AGC_CNTRL, reg);
636
637 reg = STB0899_READ_S2REG(STB0899_S2DEMOD, RRC_ALPHA);
638 internal->rrc_alpha = STB0899_GETFIELD(RRC_ALPHA, reg);
639
640 internal->center_freq = 0;
641 internal->av_frame_coarse = 10;
642 internal->av_frame_fine = 20;
643 internal->step_size = 2;
644/*
645 if ((pParams->SpectralInv == FE_IQ_NORMAL) || (pParams->SpectralInv == FE_IQ_AUTO))
646 pParams->IQLocked = 0;
647 else
648 pParams->IQLocked = 1;
649*/
650}
651
652static int stb0899_wait_diseqc_fifo_empty(struct stb0899_state *state, int timeout)
653{
654 u8 reg = 0;
655 unsigned long start = jiffies;
656
657 while (1) {
658 reg = stb0899_read_reg(state, STB0899_DISSTATUS);
659 if (!STB0899_GETFIELD(FIFOFULL, reg))
660 break;
661 if ((jiffies - start) > timeout) {
662 dprintk(verbose, FE_ERROR, 1, "timed out !!");
663 return -ETIMEDOUT;
664 }
665 }
666
667 return 0;
668}
669
670static int stb0899_send_diseqc_msg(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd *cmd)
671{
672 struct stb0899_state *state = fe->demodulator_priv;
673 u8 reg, i;
674
675 if (cmd->msg_len > 8)
676 return -EINVAL;
677
678 /* enable FIFO precharge */
679 reg = stb0899_read_reg(state, STB0899_DISCNTRL1);
680 STB0899_SETFIELD_VAL(DISPRECHARGE, reg, 1);
681 stb0899_write_reg(state, STB0899_DISCNTRL1, reg);
682 for (i = 0; i < cmd->msg_len; i++) {
683 /* wait for FIFO empty */
684 if (stb0899_wait_diseqc_fifo_empty(state, 10) < 0)
685 return -ETIMEDOUT;
686
687 stb0899_write_reg(state, STB0899_DISFIFO, cmd->msg[i]);
688 }
689 reg = stb0899_read_reg(state, STB0899_DISCNTRL1);
690 STB0899_SETFIELD_VAL(DISPRECHARGE, reg, 0);
691 stb0899_write_reg(state, STB0899_DISCNTRL1, reg);
692
693 return 0;
694}
695
696static int stb0899_wait_diseqc_rxidle(struct stb0899_state *state, int timeout)
697{
698 u8 reg = 0;
699 unsigned long start = jiffies;
700
701 while (!STB0899_GETFIELD(RXEND, reg)) {
702 reg = stb0899_read_reg(state, STB0899_DISRX_ST0);
703 if (jiffies - start > timeout) {
704 dprintk(verbose, FE_ERROR, 1, "timed out!!");
705 return -ETIMEDOUT;
706 }
707 msleep(10);
708 }
709
710 return 0;
711}
712
713static int stb0899_recv_slave_reply(struct dvb_frontend *fe, struct dvb_diseqc_slave_reply *reply)
714{
715 struct stb0899_state *state = fe->demodulator_priv;
716 u8 reg, length = 0, i;
717 int result;
718
719 if (stb0899_wait_diseqc_rxidle(state, 100) < 0)
720 return -ETIMEDOUT;
721
722 reg = stb0899_read_reg(state, STB0899_DISRX_ST0);
723 if (STB0899_GETFIELD(RXEND, reg)) {
724
725 reg = stb0899_read_reg(state, STB0899_DISRX_ST1);
726 length = STB0899_GETFIELD(FIFOBYTENBR, reg);
727
728 if (length > sizeof (reply->msg)) {
729 result = -EOVERFLOW;
730 goto exit;
731 }
732 reply->msg_len = length;
733
734 /* extract data */
735 for (i = 0; i < length; i++)
736 reply->msg[i] = stb0899_read_reg(state, STB0899_DISFIFO);
737 }
738
739 return 0;
740exit:
741
742 return result;
743}
744
745static int stb0899_wait_diseqc_txidle(struct stb0899_state *state, int timeout)
746{
747 u8 reg = 0;
748 unsigned long start = jiffies;
749
750 while (!STB0899_GETFIELD(TXIDLE, reg)) {
751 reg = stb0899_read_reg(state, STB0899_DISSTATUS);
752 if (jiffies - start > timeout) {
753 dprintk(verbose, FE_ERROR, 1, "timed out!!");
754 return -ETIMEDOUT;
755 }
756 msleep(10);
757 }
758 return 0;
759}
760
761static int stb0899_send_diseqc_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t burst)
762{
763 struct stb0899_state *state = fe->demodulator_priv;
764 u8 reg, old_state;
765
766 /* wait for diseqc idle */
767 if (stb0899_wait_diseqc_txidle(state, 100) < 0)
768 return -ETIMEDOUT;
769
770 reg = stb0899_read_reg(state, STB0899_DISCNTRL1);
771 old_state = reg;
772 /* set to burst mode */
773 STB0899_SETFIELD_VAL(DISEQCMODE, reg, 0x02);
774 STB0899_SETFIELD_VAL(DISPRECHARGE, reg, 0x01);
775 stb0899_write_reg(state, STB0899_DISCNTRL1, reg);
776 switch (burst) {
777 case SEC_MINI_A:
778 /* unmodulated */
779 stb0899_write_reg(state, STB0899_DISFIFO, 0x00);
780 break;
781 case SEC_MINI_B:
782 /* modulated */
783 stb0899_write_reg(state, STB0899_DISFIFO, 0xff);
784 break;
785 }
786 reg = stb0899_read_reg(state, STB0899_DISCNTRL1);
787 STB0899_SETFIELD_VAL(DISPRECHARGE, reg, 0x00);
788 stb0899_write_reg(state, STB0899_DISCNTRL1, reg);
789 /* wait for diseqc idle */
790 if (stb0899_wait_diseqc_txidle(state, 100) < 0)
791 return -ETIMEDOUT;
792
793 /* restore state */
794 stb0899_write_reg(state, STB0899_DISCNTRL1, old_state);
795
796 return 0;
797}
798
799
800static int stb0899_sleep(struct dvb_frontend *fe)
801{
802 struct stb0899_state *state = fe->demodulator_priv;
803 u8 reg;
804
805 dprintk(verbose, FE_DEBUG, 1, "Going to Sleep .. (Really tired .. :-))");
Manu Abraham8bd135b2007-07-03 09:53:42 -0300806 return 0;
807}
808
809static int stb0899_wakeup(struct dvb_frontend *fe)
810{
811 int rc;
812 struct stb0899_state *state = fe->demodulator_priv;
813
Manu Abrahamde29eb82007-09-22 21:39:17 -0300814 if ((rc = stb0899_write_reg(state, STB0899_SYNTCTRL, STB0899_SELOSCI)))
815 return rc;
816 /* Activate all clocks; DVB-S2 registers are inaccessible otherwise. */
817 if ((rc = stb0899_write_reg(state, STB0899_STOPCLK1, 0x00)))
818 return rc;
819 if ((rc = stb0899_write_reg(state, STB0899_STOPCLK2, 0x00)))
820 return rc;
Manu Abraham8bd135b2007-07-03 09:53:42 -0300821
822 return 0;
823}
824
825static int stb0899_init(struct dvb_frontend *fe)
826{
827 int i;
828 struct stb0899_state *state = fe->demodulator_priv;
829 struct stb0899_config *config = state->config;
830
831 dprintk(verbose, FE_DEBUG, 1, "Initializing STB0899 ... ");
832// mutex_init(&state->search_lock);
833
834 /* init device */
835 dprintk(verbose, FE_DEBUG, 1, "init device");
836 for (i = 0; config->init_dev[i].address != 0xffff; i++)
837 stb0899_write_reg(state, config->init_dev[i].address, config->init_dev[i].data);
838
839 dprintk(verbose, FE_DEBUG, 1, "init S2 demod");
840 /* init S2 demod */
841 for (i = 0; config->init_s2_demod[i].offset != 0xffff; i++)
842 stb0899_write_s2reg(state, STB0899_S2DEMOD,
843 config->init_s2_demod[i].base_address,
844 config->init_s2_demod[i].offset,
845 config->init_s2_demod[i].data);
846
847 dprintk(verbose, FE_DEBUG, 1, "init S1 demod");
848 /* init S1 demod */
849 for (i = 0; config->init_s1_demod[i].address != 0xffff; i++)
850 stb0899_write_reg(state, config->init_s1_demod[i].address, config->init_s1_demod[i].data);
851
852 dprintk(verbose, FE_DEBUG, 1, "init S2 FEC");
853 /* init S2 fec */
854 for (i = 0; config->init_s2_fec[i].offset != 0xffff; i++)
855 stb0899_write_s2reg(state, STB0899_S2FEC,
856 config->init_s2_fec[i].base_address,
857 config->init_s2_fec[i].offset,
858 config->init_s2_fec[i].data);
859
860 dprintk(verbose, FE_DEBUG, 1, "init TST");
861 /* init test */
862 for (i = 0; config->init_tst[i].address != 0xffff; i++)
863 stb0899_write_reg(state, config->init_tst[i].address, config->init_tst[i].data);
864
865 stb0899_init_calc(state);
866// stb0899_diseqc_init(state);
867
868 return 0;
869}
870
871static int stb0899_table_lookup(const struct stb0899_tab *tab, int max, int val)
872{
873 int res = 0;
874 int min = 0, med;
875
876 if (val < tab[min].read)
877 res = tab[min].real;
878 else if (val >= tab[max].read)
879 res = tab[max].real;
880 else {
881 while ((max - min) > 1) {
882 med = (max + min) / 2;
883 if (val >= tab[min].read && val < tab[med].read)
884 max = med;
885 else
886 min = med;
887 }
888 res = ((val - tab[min].read) *
889 (tab[max].real - tab[min].real) /
890 (tab[max].read - tab[min].read)) +
891 tab[min].real;
892 }
893
894 return res;
895}
896
897static int stb0899_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
898{
899 struct stb0899_state *state = fe->demodulator_priv;
900 struct stb0899_internal *internal = &state->internal;
901
902 int val;
903 u32 reg;
904 switch (state->delsys) {
905 case DVBFE_DELSYS_DVBS:
906 case DVBFE_DELSYS_DSS:
907 if (internal->lock) {
908 reg = stb0899_read_reg(state, STB0899_VSTATUS);
909 if (STB0899_GETFIELD(VSTATUS_LOCKEDVIT, reg)) {
910
911 reg = stb0899_read_reg(state, STB0899_AGCIQIN);
912 val = (s32)(s8)STB0899_GETFIELD(AGCIQVALUE, reg);
913
914 *strength = stb0899_table_lookup(stb0899_dvbsrf_tab, ARRAY_SIZE(stb0899_dvbsrf_tab) - 1, val);
915 *strength += 750;
916 dprintk(verbose, FE_DEBUG, 1, "AGCIQVALUE = 0x%02x, C = %d * 0.1 dBm",
917 val & 0xff, *strength);
918 }
919 }
920 break;
921 case DVBFE_DELSYS_DVBS2:
922 if (internal->lock) {
923 reg = STB0899_READ_S2REG(STB0899_DEMOD, IF_AGC_GAIN);
924 val = STB0899_GETFIELD(IF_AGC_GAIN, reg);
925
926 *strength = stb0899_table_lookup(stb0899_dvbs2rf_tab, ARRAY_SIZE(stb0899_dvbs2rf_tab) - 1, val);
927 *strength += 750;
928 dprintk(verbose, FE_DEBUG, 1, "IF_AGC_GAIN = 0x%04x, C = %d * 0.1 dBm",
929 val & 0x3fff, *strength);
930 }
931 break;
932 default:
933 dprintk(verbose, FE_DEBUG, 1, "Unsupported delivery system");
934 break;
935 }
936
937 return 0;
938}
939
940static int stb0899_read_snr(struct dvb_frontend *fe, u16 *snr)
941{
942 struct stb0899_state *state = fe->demodulator_priv;
943 struct stb0899_internal *internal = &state->internal;
944
945 unsigned int val, quant, quantn = -1, est, estn = -1;
946 u8 buf[2];
947 u32 reg;
948
949 reg = stb0899_read_reg(state, STB0899_VSTATUS);
950 switch (state->delsys) {
951 case DVBFE_DELSYS_DVBS:
952 case DVBFE_DELSYS_DSS:
953 if (internal->lock) {
954 if (STB0899_GETFIELD(VSTATUS_LOCKEDVIT, reg)) {
955
956 stb0899_read_regs(state, STB0899_NIRM, buf, 2);
957 val = MAKEWORD16(buf[0], buf[1]);
958
959 *snr = stb0899_table_lookup(stb0899_cn_tab, ARRAY_SIZE(stb0899_cn_tab) - 1, val);
960 dprintk(verbose, FE_DEBUG, 1, "NIR = 0x%02x%02x = %u, C/N = %d * 0.1 dBm\n",
961 buf[0], buf[1], val, *snr);
962 }
963 }
964 break;
965 case DVBFE_DELSYS_DVBS2:
966 if (internal->lock) {
967 reg = STB0899_READ_S2REG(STB0899_S2DEMOD, UWP_CNTRL1);
968 quant = STB0899_GETFIELD(UWP_ESN0_QUANT, reg);
969 reg = STB0899_READ_S2REG(STB0899_S2DEMOD, UWP_STAT2);
970 est = STB0899_GETFIELD(ESN0_EST, reg);
971 if (est == 1)
972 val = 301; /* C/N = 30.1 dB */
973 else if (est == 2)
974 val = 270; /* C/N = 27.0 dB */
975 else {
976 /* quantn = 100 * log(quant^2) */
977 quantn = stb0899_table_lookup(stb0899_quant_tab, ARRAY_SIZE(stb0899_quant_tab) - 1, quant * 100);
978 /* estn = 100 * log(est) */
979 estn = stb0899_table_lookup(stb0899_est_tab, ARRAY_SIZE(stb0899_est_tab) - 1, est);
980 /* snr(dBm/10) = -10*(log(est)-log(quant^2)) => snr(dBm/10) = (100*log(quant^2)-100*log(est))/10 */
981 val = (quantn - estn) / 10;
982 }
983 *snr = val;
984 dprintk(verbose, FE_DEBUG, 1, "Es/N0 quant = %d (%d) estimate = %u (%d), C/N = %d * 0.1 dBm",
985 quant, quantn, est, estn, val);
986 }
987 break;
988 default:
989 dprintk(verbose, FE_DEBUG, 1, "Unsupported delivery system");
990 break;
991 }
992
993 return 0;
994}
995
996static int stb0899_read_status(struct dvb_frontend *fe, enum fe_status *status)
997{
998 struct stb0899_state *state = fe->demodulator_priv;
999 struct stb0899_internal *internal = &state->internal;
1000 u8 reg;
1001 *status = 0;
1002
1003 switch (state->delsys) {
1004 case DVBFE_DELSYS_DVBS:
1005 case DVBFE_DELSYS_DSS:
1006 dprintk(state->verbose, FE_DEBUG, 1, "Delivery system DVB-S/DSS");
1007 if (internal->lock) {
1008 reg = stb0899_read_reg(state, STB0899_VSTATUS);
1009 if (STB0899_GETFIELD(VSTATUS_LOCKEDVIT, reg)) {
1010 dprintk(state->verbose, FE_DEBUG, 1, "--------> FE_HAS_CARRIER | FE_HAS_LOCK");
1011 *status |= FE_HAS_CARRIER | FE_HAS_LOCK;
1012
1013 reg = stb0899_read_reg(state, STB0899_PLPARM);
1014 if (STB0899_GETFIELD(VITCURPUN, reg)) {
1015 dprintk(state->verbose, FE_DEBUG, 1, "--------> FE_HAS_VITERBI | FE_HAS_SYNC");
1016 *status |= FE_HAS_VITERBI | FE_HAS_SYNC;
1017 }
1018 }
1019 }
1020 break;
1021 case DVBFE_DELSYS_DVBS2:
1022 dprintk(state->verbose, FE_DEBUG, 1, "Delivery system DVB-S2");
1023 if (internal->lock) {
1024 reg = STB0899_READ_S2REG(STB0899_S2DEMOD, DMD_STAT2);
1025 if (STB0899_GETFIELD(UWP_LOCK, reg) && STB0899_GETFIELD(CSM_LOCK, reg)) {
1026 *status |= FE_HAS_CARRIER;
1027 dprintk(state->verbose, FE_DEBUG, 1,
1028 "UWP & CSM Lock ! ---> DVB-S2 FE_HAS_CARRIER");
1029
1030 reg = stb0899_read_reg(state, STB0899_CFGPDELSTATUS1);
1031 if (STB0899_GETFIELD(CFGPDELSTATUS_LOCK, reg)) {
1032 *status |= FE_HAS_LOCK;
1033 dprintk(state->verbose, FE_DEBUG, 1,
1034 "Packet Delineator Locked ! -----> DVB-S2 FE_HAS_LOCK");
1035
1036 }
1037 if (STB0899_GETFIELD(CONTINUOUS_STREAM, reg)) {
1038 *status |= FE_HAS_VITERBI;
1039 dprintk(state->verbose, FE_DEBUG, 1,
1040 "Packet Delineator found VITERBI ! -----> DVB-S2 FE_HAS_VITERBI");
1041 }
1042 if (STB0899_GETFIELD(ACCEPTED_STREAM, reg)) {
1043 *status |= FE_HAS_SYNC;
1044 dprintk(state->verbose, FE_DEBUG, 1,
1045 "Packet Delineator found SYNC ! -----> DVB-S2 FE_HAS_SYNC");
1046 }
1047 }
1048 }
1049 break;
1050 default:
1051 dprintk(verbose, FE_DEBUG, 1, "Unsupported delivery system");
1052 break;
1053 }
1054 return 0;
1055}
1056
1057/*
1058 * stb0899_get_error
1059 * viterbi error for DVB-S/DSS
1060 * packet error for DVB-S2
1061 * Bit Error Rate or Packet Error Rate * 10 ^ 7
1062 */
1063static int stb0899_read_ber(struct dvb_frontend *fe, u32 *ber)
1064{
1065 struct stb0899_state *state = fe->demodulator_priv;
1066 struct stb0899_internal *internal = &state->internal;
1067
1068 u8 lsb, msb;
1069 u32 i;
1070
1071 *ber = 0;
1072
1073 switch (state->delsys) {
1074 case DVBFE_DELSYS_DVBS:
1075 case DVBFE_DELSYS_DSS:
1076 if (internal->lock) {
1077 /* average 5 BER values */
1078 for (i = 0; i < 5; i++) {
1079 msleep(100);
1080 lsb = stb0899_read_reg(state, STB0899_ECNT1L);
1081 msb = stb0899_read_reg(state, STB0899_ECNT1M);
1082 *ber += MAKEWORD16(msb, lsb);
1083 }
1084 *ber /= 5;
1085 /* Viterbi Check */
1086 if (STB0899_GETFIELD(VSTATUS_PRFVIT, internal->v_status)) {
1087 /* Error Rate */
1088 *ber *= 9766;
1089 /* ber = ber * 10 ^ 7 */
1090 *ber /= (-1 + (1 << (2 * STB0899_GETFIELD(NOE, internal->err_ctrl))));
1091 *ber /= 8;
1092 }
1093 }
1094 break;
1095 case DVBFE_DELSYS_DVBS2:
1096 if (internal->lock) {
1097 /* Average 5 PER values */
1098 for (i = 0; i < 5; i++) {
1099 msleep(100);
1100 lsb = stb0899_read_reg(state, STB0899_ECNT1L);
1101 msb = stb0899_read_reg(state, STB0899_ECNT1M);
1102 *ber += MAKEWORD16(msb, lsb);
1103 }
1104 /* ber = ber * 10 ^ 7 */
1105 *ber *= 10000000;
1106 *ber /= (-1 + (1 << (4 + 2 * STB0899_GETFIELD(NOE, internal->err_ctrl))));
1107 }
1108 break;
1109 default:
1110 dprintk(verbose, FE_DEBUG, 1, "Unsupported delivery system");
1111 }
1112
1113 return 0;
1114}
1115
1116static int stb0899_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
1117{
1118 struct stb0899_state *state = fe->demodulator_priv;
1119
1120 switch (voltage) {
1121 case SEC_VOLTAGE_13:
1122 stb0899_write_reg(state, STB0899_GPIO00CFG, 0x82);
1123 stb0899_write_reg(state, STB0899_GPIO01CFG, 0x02);
1124 stb0899_write_reg(state, STB0899_GPIO02CFG, 0x00);
1125 break;
1126 case SEC_VOLTAGE_18:
1127 stb0899_write_reg(state, STB0899_GPIO00CFG, 0x02);
1128 stb0899_write_reg(state, STB0899_GPIO01CFG, 0x02);
1129 stb0899_write_reg(state, STB0899_GPIO02CFG, 0x82);
1130 break;
1131 case SEC_VOLTAGE_OFF:
1132 stb0899_write_reg(state, STB0899_GPIO00CFG, 0x82);
1133 stb0899_write_reg(state, STB0899_GPIO01CFG, 0x82);
1134 stb0899_write_reg(state, STB0899_GPIO02CFG, 0x82);
1135 break;
1136 default:
1137 return -EINVAL;
1138 }
1139
1140 return 0;
1141}
1142
1143static int stb0899_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
1144{
1145 struct stb0899_state *state = fe->demodulator_priv;
1146 struct stb0899_internal *internal = &state->internal;
1147
Manu Abrahambaa40e42007-10-05 09:04:32 -03001148 u8 div, reg;
Manu Abraham8bd135b2007-07-03 09:53:42 -03001149
1150 /* wait for diseqc idle */
1151 if (stb0899_wait_diseqc_txidle(state, 100) < 0)
1152 return -ETIMEDOUT;
1153
1154 switch (tone) {
1155 case SEC_TONE_ON:
1156 div = (internal->master_clk / 100) / 5632;
1157 div = (div + 5) / 10;
1158 stb0899_write_reg(state, STB0899_DISEQCOCFG, 0x66);
Manu Abrahambaa40e42007-10-05 09:04:32 -03001159 reg = stb0899_read_reg(state, STB0899_ACRPRESC);
1160 STB0899_SETFIELD_VAL(ACRPRESC, reg, 0x03);
1161 stb0899_write_reg(state, STB0899_ACRPRESC, reg);
Manu Abraham8bd135b2007-07-03 09:53:42 -03001162 stb0899_write_reg(state, STB0899_ACRDIV1, div);
1163 break;
1164 case SEC_TONE_OFF:
1165 stb0899_write_reg(state, STB0899_DISEQCOCFG, 0x20);
1166 break;
1167 default:
1168 break;
1169 }
1170 return 0;
1171}
1172
1173static int stb0899_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
1174{
1175 int i2c_stat;
1176 struct stb0899_state *state = fe->demodulator_priv;
1177
1178 i2c_stat = stb0899_read_reg(state, STB0899_I2CRPT);
1179 if (i2c_stat < 0)
1180 goto err;
1181
1182 if (enable) {
1183 dprintk(state->verbose, FE_DEBUG, 1, "Enabling I2C Repeater ...");
1184 i2c_stat |= STB0899_I2CTON;
1185 if (stb0899_write_reg(state, STB0899_I2CRPT, i2c_stat) < 0)
1186 goto err;
1187 }
1188 return 0;
1189err:
1190 dprintk(state->verbose, FE_ERROR, 1, "I2C Repeater enable failed");
1191 return -EREMOTEIO;
1192}
1193
1194
1195static inline void CONVERT32(u32 x, char *str)
1196{
1197 *str++ = (x >> 24) & 0xff;
1198 *str++ = (x >> 16) & 0xff;
1199 *str++ = (x >> 8) & 0xff;
1200 *str++ = (x >> 0) & 0xff;
1201 *str = '\0';
1202}
1203
1204int stb0899_get_dev_id(struct stb0899_state *state)
1205{
1206 u8 chip_id, release;
1207 u16 id;
1208 u32 demod_ver = 0, fec_ver = 0;
1209 char demod_str[4] = { 0 };
1210 char fec_str[4] = { 0 };
1211
1212 id = stb0899_read_reg(state, STB0899_DEV_ID);
1213 dprintk(state->verbose, FE_DEBUG, 1, "ID reg=[0x%02x]", id);
1214 chip_id = STB0899_GETFIELD(CHIP_ID, id);
1215 release = STB0899_GETFIELD(CHIP_REL, id);
1216
1217 dprintk(state->verbose, FE_ERROR, 1, "Device ID=[%d], Release=[%d]",
1218 chip_id, release);
1219
1220 CONVERT32(STB0899_READ_S2REG(STB0899_S2DEMOD, DMD_CORE_ID), (char *)&demod_str);
1221
1222 demod_ver = STB0899_READ_S2REG(STB0899_S2DEMOD, DMD_VERSION_ID);
1223 dprintk(state->verbose, FE_ERROR, 1, "Demodulator Core ID=[%s], Version=[%d]", (char *) &demod_str, demod_ver);
1224 CONVERT32(STB0899_READ_S2REG(STB0899_S2FEC, FEC_CORE_ID_REG), (char *)&fec_str);
1225 fec_ver = STB0899_READ_S2REG(STB0899_S2FEC, FEC_VER_ID_REG);
1226 if (! (chip_id > 0)) {
1227 dprintk(state->verbose, FE_ERROR, 1, "couldn't find a STB 0899");
1228
1229 return -ENODEV;
1230 }
1231 dprintk(state->verbose, FE_ERROR, 1, "FEC Core ID=[%s], Version=[%d]", (char*) &fec_str, fec_ver);
1232
1233 return 0;
1234}
1235
1236static const struct dvbfe_info dvbs_info = {
1237 .name = "STB0899 DVB-S",
1238 .delivery = DVBFE_DELSYS_DVBS,
1239 .delsys = {
1240 .dvbs.modulation = DVBFE_MOD_QPSK,
1241 .dvbs.fec = DVBFE_FEC_1_2 | DVBFE_FEC_2_3 |
1242 DVBFE_FEC_3_4 | DVBFE_FEC_5_6 |
1243 DVBFE_FEC_6_7
1244 },
1245
1246 .frequency_min = 950000,
1247 .frequency_max = 2150000,
1248 .frequency_step = 0,
1249 .symbol_rate_min = 1000000,
1250 .symbol_rate_max = 45000000,
1251 .symbol_rate_tolerance = 0
1252};
1253
1254static const struct dvbfe_info dss_info = {
1255 .name = "STB0899 DSS",
1256 .delivery = DVBFE_DELSYS_DSS,
1257 .delsys = {
1258 .dss.modulation = DVBFE_MOD_BPSK | DVBFE_MOD_QPSK,
1259 .dss.fec = DVBFE_FEC_1_2 | DVBFE_FEC_2_3 |
1260 DVBFE_FEC_3_4 | DVBFE_FEC_5_6 |
1261 DVBFE_FEC_6_7
1262 },
1263
1264 .frequency_min = 950000,
1265 .frequency_max = 2150000,
1266 .frequency_step = 0,
1267 .symbol_rate_min = 1000000,
1268 .symbol_rate_max = 45000000,
1269 .symbol_rate_tolerance = 0
1270};
1271
1272static const struct dvbfe_info dvbs2_info = {
1273 .name = "STB0899 DVB-S2",
1274 .delivery = DVBFE_DELSYS_DVBS2,
1275 .delsys = {
1276 .dvbs2.modulation = DVBFE_MOD_QPSK | DVBFE_MOD_8PSK |
1277 DVBFE_MOD_16APSK | DVBFE_MOD_32APSK,
1278
1279 .dvbs2.fec = DVBFE_FEC_1_4 | DVBFE_FEC_1_3 |
1280 DVBFE_FEC_2_5 | DVBFE_FEC_1_2 |
1281 DVBFE_FEC_3_5 | DVBFE_FEC_2_3 |
1282 DVBFE_FEC_3_4 | DVBFE_FEC_4_5 |
1283 DVBFE_FEC_5_6 | DVBFE_FEC_8_9 |
1284 DVBFE_FEC_9_10,
1285 },
1286
1287 .frequency_min = 950000,
1288 .frequency_max = 2150000,
1289 .frequency_step = 0,
1290 .symbol_rate_min = 1000000,
1291 .symbol_rate_max = 45000000,
1292 .symbol_rate_tolerance = 0
1293};
1294
1295static int stb0899_get_info(struct dvb_frontend *fe, struct dvbfe_info *fe_info)
1296{
1297 struct stb0899_state *state = fe->demodulator_priv;
1298
1299 dprintk(verbose, FE_DEBUG, 1, "Get Info");
1300
1301 state->delsys = fe_info->delivery;
1302 switch (state->delsys) {
1303 case DVBFE_DELSYS_DVBS:
1304 dprintk(verbose, FE_ERROR, 1, "Querying DVB-S info");
1305 memcpy(fe_info, &dvbs_info, sizeof (struct dvbfe_info));
1306 break;
1307 case DVBFE_DELSYS_DSS:
1308 dprintk(verbose, FE_ERROR, 1, "Querying DSS info");
1309 memcpy(fe_info, &dss_info, sizeof (struct dvbfe_info));
1310 break;
1311 case DVBFE_DELSYS_DVBS2:
1312 dprintk(verbose, FE_ERROR, 1, "Querying DVB-S2 info");
1313 memcpy(fe_info, &dvbs2_info, sizeof (struct dvbfe_info));
1314 break;
1315 default:
1316 dprintk(verbose, FE_ERROR, 1, "Unsupported delivery system");
1317 return -EINVAL;
1318 }
1319 dprintk(verbose, FE_DEBUG, 1, "delivery system=%d", state->delsys);
1320
1321 return 0;
1322}
1323
1324static int stb0899_get_delsys(struct dvb_frontend *fe, enum dvbfe_delsys *fe_delsys)
1325{
1326 *fe_delsys = DVBFE_DELSYS_DVBS | DVBFE_DELSYS_DSS | DVBFE_DELSYS_DVBS2;
1327
1328 return 0;
1329}
1330
1331void stb0899_set_delsys(struct stb0899_state *state)
1332{
1333 u8 reg;
1334 u8 stop_clk[2];
1335
1336 stop_clk[0] = stb0899_read_reg(state, STB0899_STOPCLK1);
1337 stop_clk[1] = stb0899_read_reg(state, STB0899_STOPCLK2);
1338
1339 switch (state->delsys) {
1340 case DVBFE_DELSYS_DVBS:
1341 dprintk(verbose, FE_DEBUG, 1, "Delivery System -- DVB-S");
1342 /* FECM/Viterbi ON */
1343 reg = stb0899_read_reg(state, STB0899_FECM);
1344 STB0899_SETFIELD_VAL(FECM_RSVD0, reg, 0);
1345 STB0899_SETFIELD_VAL(FECM_VITERBI_ON, reg, 1);
1346 stb0899_write_reg(state, STB0899_FECM, reg);
1347
1348 stb0899_write_reg(state, STB0899_RSULC, 0xb1);
1349 stb0899_write_reg(state, STB0899_TSULC, 0x40);
1350 stb0899_write_reg(state, STB0899_RSLLC, 0x42);
1351 stb0899_write_reg(state, STB0899_TSLPL, 0x12);
1352
1353 reg = stb0899_read_reg(state, STB0899_TSTRES);
1354 STB0899_SETFIELD_VAL(FRESLDPC, reg, 1);
1355 stb0899_write_reg(state, STB0899_TSTRES, reg);
1356
1357 STB0899_SETFIELD_VAL(STOP_CHK8PSK, stop_clk[0], 1);
1358 STB0899_SETFIELD_VAL(STOP_CKFEC108, stop_clk[0], 1);
1359 STB0899_SETFIELD_VAL(STOP_CKFEC216, stop_clk[0], 1);
1360
1361 STB0899_SETFIELD_VAL(STOP_CKPKDLIN108, stop_clk[1], 1);
1362 STB0899_SETFIELD_VAL(STOP_CKPKDLIN216, stop_clk[1], 1);
1363
1364 STB0899_SETFIELD_VAL(STOP_CKINTBUF216, stop_clk[0], 1);
1365 STB0899_SETFIELD_VAL(STOP_CKCORE216, stop_clk[0], 1);
1366
1367 STB0899_SETFIELD_VAL(STOP_CKS2DMD108, stop_clk[1], 1);
1368 break;
1369 case DVBFE_DELSYS_DVBS2:
1370 /* FECM/Viterbi OFF */
1371 reg = stb0899_read_reg(state, STB0899_FECM);
1372 STB0899_SETFIELD_VAL(FECM_RSVD0, reg, 0);
1373 STB0899_SETFIELD_VAL(FECM_VITERBI_ON, reg, 0);
1374 stb0899_write_reg(state, STB0899_FECM, reg);
1375
1376 stb0899_write_reg(state, STB0899_RSULC, 0xb1);
1377 stb0899_write_reg(state, STB0899_TSULC, 0x42);
1378 stb0899_write_reg(state, STB0899_RSLLC, 0x40);
1379 stb0899_write_reg(state, STB0899_TSLPL, 0x02);
1380
1381 reg = stb0899_read_reg(state, STB0899_TSTRES);
1382 STB0899_SETFIELD_VAL(FRESLDPC, reg, 0);
1383 stb0899_write_reg(state, STB0899_TSTRES, reg);
1384
1385 STB0899_SETFIELD_VAL(STOP_CHK8PSK, stop_clk[0], 1);
1386 STB0899_SETFIELD_VAL(STOP_CKFEC108, stop_clk[0], 0);
1387 STB0899_SETFIELD_VAL(STOP_CKFEC216, stop_clk[0], 0);
1388
1389 STB0899_SETFIELD_VAL(STOP_CKPKDLIN108, stop_clk[1], 0);
1390 STB0899_SETFIELD_VAL(STOP_CKPKDLIN216, stop_clk[1], 0);
1391
1392 STB0899_SETFIELD_VAL(STOP_CKINTBUF216, stop_clk[0], 0);
1393 STB0899_SETFIELD_VAL(STOP_CKCORE216, stop_clk[0], 0);
1394
1395 STB0899_SETFIELD_VAL(STOP_CKS2DMD108, stop_clk[1], 0);
1396 break;
1397 case DVBFE_DELSYS_DSS:
1398 /* FECM/Viterbi ON */
1399 reg = stb0899_read_reg(state, STB0899_FECM);
1400 STB0899_SETFIELD_VAL(FECM_RSVD0, reg, 1);
1401 STB0899_SETFIELD_VAL(FECM_VITERBI_ON, reg, 1);
1402 stb0899_write_reg(state, STB0899_FECM, reg);
1403
1404 stb0899_write_reg(state, STB0899_RSULC, 0xa1);
1405 stb0899_write_reg(state, STB0899_TSULC, 0x61);
1406 stb0899_write_reg(state, STB0899_RSLLC, 0x42);
1407
1408 reg = stb0899_read_reg(state, STB0899_TSTRES);
1409 STB0899_SETFIELD_VAL(FRESLDPC, reg, 1);
1410 stb0899_write_reg(state, STB0899_TSTRES, reg);
1411
1412 STB0899_SETFIELD_VAL(STOP_CHK8PSK, stop_clk[0], 1);
1413 STB0899_SETFIELD_VAL(STOP_CKFEC108, stop_clk[0], 1);
1414 STB0899_SETFIELD_VAL(STOP_CKFEC216, stop_clk[0], 1);
1415
1416 STB0899_SETFIELD_VAL(STOP_CKPKDLIN108, stop_clk[1], 1);
1417 STB0899_SETFIELD_VAL(STOP_CKPKDLIN216, stop_clk[1], 1);
1418
1419 STB0899_SETFIELD_VAL(STOP_CKCORE216, stop_clk[0], 0);
1420
1421 STB0899_SETFIELD_VAL(STOP_CKS2DMD108, stop_clk[1], 1);
1422 break;
1423 default:
1424 dprintk(verbose, FE_ERROR, 1, "Unsupported delivery system");
1425 break;
1426 }
1427 STB0899_SETFIELD_VAL(STOP_CKADCI108, stop_clk[0], 0);
1428 stb0899_write_regs(state, STB0899_STOPCLK1, stop_clk, 2);
1429}
1430
1431/*
1432 * stb0899_set_iterations
1433 * set the LDPC iteration scale function
1434 */
1435static void stb0899_set_iterations(struct stb0899_state *state)
1436{
1437 struct stb0899_internal *internal = &state->internal;
1438 struct stb0899_config *config = state->config;
1439
1440 s32 iter_scale;
1441 u32 reg;
1442
1443 iter_scale = 17 * (internal->master_clk / 1000);
1444 iter_scale += 410000;
1445 iter_scale /= (internal->srate / 1000000);
1446 iter_scale /= 1000;
1447
1448 if (iter_scale > config->ldpc_max_iter)
1449 iter_scale = config->ldpc_max_iter;
1450
1451 reg = STB0899_READ_S2REG(STB0899_S2DEMOD, MAX_ITER);
1452 STB0899_SETFIELD_VAL(MAX_ITERATIONS, reg, iter_scale);
1453 stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_MAX_ITER, STB0899_OFF0_MAX_ITER, reg);
1454}
1455
1456static enum dvbfe_search stb0899_search(struct dvb_frontend *fe, struct dvbfe_params *params)
1457{
1458 struct stb0899_state *state = fe->demodulator_priv;
1459 struct stb0899_params *i_params = &state->params;
1460 struct stb0899_internal *internal = &state->internal;
1461
1462 u32 SearchRange, gain;
1463
1464 switch (state->delsys) {
1465 case DVBFE_DELSYS_DVBS:
1466 dprintk(verbose, FE_ERROR, 1, "set DVB-S params");
1467 i_params->freq = params->frequency;
1468 i_params->srate = params->delsys.dvbs.symbol_rate;
1469 break;
1470 case DVBFE_DELSYS_DSS:
1471 dprintk(verbose, FE_ERROR, 1, "set DSS params");
1472 i_params->freq = params->frequency;
1473 i_params->srate = params->delsys.dss.symbol_rate;
1474 break;
1475 case DVBFE_DELSYS_DVBS2:
1476 dprintk(verbose, FE_ERROR, 1, "set DVB-S2 params");
1477 i_params->freq = params->frequency;
1478 i_params->srate = params->delsys.dvbs2.symbol_rate;
1479 break;
1480 default:
1481 dprintk(verbose, FE_ERROR, 1, "Unsupported delivery system");
1482 return -EINVAL;
1483 }
1484 dprintk(verbose, FE_DEBUG, 1, "delivery system=%d", state->delsys);
1485
Manu Abrahamd98c0282007-09-26 18:32:13 -03001486 SearchRange = 3000000; /* Search Bandwidth (3 Mhz, was initially 10 Mhz) */
1487// SearchRange = 10000000; /* Search Bandwidth (3 Mhz, was initially 10 Mhz) */
Manu Abraham8bd135b2007-07-03 09:53:42 -03001488 dprintk(verbose, FE_DEBUG, 1, "Frequency=%d, Srate=%d", i_params->freq, i_params->srate);
1489 /* checking Search Range is meaningless for a fixed 3 Mhz */
1490 if (INRANGE(i_params->srate, 1000000, 45000000)) {
1491 dprintk(verbose, FE_DEBUG, 1, "Parameters IN RANGE");
1492 stb0899_set_delsys(state);
1493
1494 if (state->config->tuner_set_rfsiggain) {
1495 if (internal->srate > 15000000)
1496 gain = 8; /* 15Mb < srate < 45Mb, gain = 8dB */
1497 else if (internal->srate > 5000000)
1498 gain = 12; /* 5Mb < srate < 15Mb, gain = 12dB */
1499 else
1500 gain = 14; /* 1Mb < srate < 5Mb, gain = 14db */
1501 state->config->tuner_set_rfsiggain(fe, gain);
1502 }
1503
1504 if (i_params->srate <= 5000000)
1505 stb0899_set_mclk(state, 76500000);
1506 else
Manu Abraham34794742007-10-04 17:39:19 -03001507 stb0899_set_mclk(state, 99000000);
Manu Abraham8bd135b2007-07-03 09:53:42 -03001508
1509 switch (state->delsys) {
1510 case DVBFE_DELSYS_DVBS:
1511 case DVBFE_DELSYS_DSS:
1512 dprintk(verbose, FE_DEBUG, 1, "DVB-S delivery system");
1513 internal->freq = i_params->freq;
1514 internal->srate = i_params->srate;
1515 /*
1516 * search = user search range +
1517 * 500Khz +
1518 * 2 * Tuner_step_size +
1519 * 10% of the symbol rate
1520 */
1521 internal->srch_range = SearchRange + 1500000 + (i_params->srate / 5);
1522 internal->derot_percent = 30;
1523
1524 /* What to do for tuners having no bandwidth setup ? */
1525 if (state->config->tuner_set_bandwidth)
Manu Abrahamd98c0282007-09-26 18:32:13 -03001526 state->config->tuner_set_bandwidth(fe, (135 * (stb0899_carr_width(state) + SearchRange)) / 100);
Manu Abraham8bd135b2007-07-03 09:53:42 -03001527 if (state->config->tuner_get_bandwidth)
1528 state->config->tuner_get_bandwidth(fe, &internal->tuner_bw);
1529 /* Set DVB-S1 AGC */
1530 stb0899_write_reg(state, STB0899_AGCRFCFG, 0x11);
1531
1532 /* Run the search algorithm */
1533 dprintk(verbose, FE_DEBUG, 1, "running DVB-S search algo ..");
1534 if (stb0899_dvbs_algo(state) == RANGEOK) {
1535 internal->lock = 1;
1536 dprintk(verbose, FE_DEBUG, 1,
1537 "-------------------------------------> DVB-S LOCK !");
1538
1539// stb0899_write_reg(state, STB0899_ERRCTRL1, 0x3d); /* Viterbi Errors */
1540// internal->v_status = stb0899_read_reg(state, STB0899_VSTATUS);
1541// internal->err_ctrl = stb0899_read_reg(state, STB0899_ERRCTRL1);
1542// dprintk(verbose, FE_DEBUG, 1, "VSTATUS=0x%02x", internal->v_status);
1543// dprintk(verbose, FE_DEBUG, 1, "ERR_CTRL=0x%02x", internal->err_ctrl);
1544
1545 return DVBFE_ALGO_SEARCH_SUCCESS;
1546 } else {
1547 internal->lock = 0;
1548
1549 return DVBFE_ALGO_SEARCH_FAILED;
1550 }
1551 break;
1552 case DVBFE_DELSYS_DVBS2:
1553 internal->freq = i_params->freq;
1554 internal->srate = i_params->srate;
1555 internal->srch_range = SearchRange;
1556
1557 if (state->config->tuner_set_bandwidth)
Manu Abrahamd98c0282007-09-26 18:32:13 -03001558 state->config->tuner_set_bandwidth(fe, (135 * (stb0899_carr_width(state) + SearchRange)) / 100);
Manu Abraham8bd135b2007-07-03 09:53:42 -03001559 if (state->config->tuner_get_bandwidth)
1560 state->config->tuner_get_bandwidth(fe, &internal->tuner_bw);
1561
1562// pParams->SpectralInv = pSearch->IQ_Inversion;
1563
1564 /* Set DVB-S2 AGC */
1565 stb0899_write_reg(state, STB0899_AGCRFCFG, 0x1c);
1566
1567 /* Set IterScale =f(MCLK,SYMB) */
1568 stb0899_set_iterations(state);
1569
1570 /* Run the search algorithm */
1571 dprintk(verbose, FE_DEBUG, 1, "running DVB-S2 search algo ..");
1572 if (stb0899_dvbs2_algo(state) == DVBS2_FEC_LOCK) {
1573 internal->lock = 1;
1574 dprintk(verbose, FE_DEBUG, 1,
1575 "-------------------------------------> DVB-S2 LOCK !");
1576
1577// stb0899_write_reg(state, STB0899_ERRCTRL1, 0xb6); /* Packet Errors */
1578// internal->v_status = stb0899_read_reg(state, STB0899_VSTATUS);
1579// internal->err_ctrl = stb0899_read_reg(state, STB0899_ERRCTRL1);
1580
1581 return DVBFE_ALGO_SEARCH_SUCCESS;
1582 } else {
1583 internal->lock = 0;
1584
1585 return DVBFE_ALGO_SEARCH_FAILED;
1586 }
1587 break;
1588 default:
1589 dprintk(verbose, FE_ERROR, 1, "Unsupported delivery system");
1590 return DVBFE_ALGO_SEARCH_INVALID;
1591 }
1592 }
1593
1594 return DVBFE_ALGO_SEARCH_ERROR;
1595}
1596
1597static enum stb0899_status stb0899_track_carrier(struct stb0899_state *state)
1598{
1599 u8 reg;
1600
1601 reg = stb0899_read_reg(state, STB0899_DSTATUS);
1602 dprintk(verbose, FE_DEBUG, 1, "--------------------> STB0899_DSTATUS=[0x%02x]", reg);
1603 if (STB0899_GETFIELD(CARRIER_FOUND, reg)) {
1604 dprintk(verbose, FE_DEBUG, 1, "-------------> CARRIEROK !");
1605 return CARRIEROK;
1606 } else {
1607 dprintk(verbose, FE_DEBUG, 1, "-------------> NOCARRIER !");
1608 return NOCARRIER;
1609 }
1610
1611 return NOCARRIER;
1612}
1613
1614static enum stb0899_status stb0899_get_ifagc(struct stb0899_state *state)
1615{
1616 u8 reg;
1617
1618 reg = STB0899_READ_S2REG(STB0899_S2DEMOD, DMD_STATUS);
1619 dprintk(verbose, FE_DEBUG, 1, "DMD_STATUS=[0x%02x]", reg);
1620 if (STB0899_GETFIELD(IF_AGC_LOCK, reg)) {
1621 dprintk(verbose, FE_DEBUG, 1, "------------->IF AGC LOCKED !");
1622 return AGC1OK;
1623 } else {
1624 dprintk(verbose, FE_DEBUG, 1, "------------->IF AGC LOCK LOST !");
1625 return NOAGC1;
1626 }
1627
1628 return NOAGC1;
1629}
1630
1631static int stb0899_get_s1fec(struct stb0899_internal *internal, enum dvbfe_fec *fec)
1632{
1633 switch (internal->fecrate) {
1634 case STB0899_FEC_1_2:
1635 *fec = DVBFE_FEC_1_2;
1636 break;
1637 case STB0899_FEC_2_3:
1638 *fec = DVBFE_FEC_2_3;
1639 break;
1640 case STB0899_FEC_3_4:
1641 *fec = DVBFE_FEC_3_4;
1642 break;
1643 case STB0899_FEC_5_6:
1644 *fec = DVBFE_FEC_5_6;
1645 break;
1646 case STB0899_FEC_6_7:
1647 *fec = DVBFE_FEC_6_7;
1648 break;
1649 case STB0899_FEC_7_8:
1650 *fec = DVBFE_FEC_7_8;
1651 break;
1652 default:
1653 return -EINVAL;
1654 }
1655
1656 return 0;
1657}
1658
1659static int stb0899_get_modcod(struct stb0899_internal *internal, struct dvbs2_params *params)
1660{
1661 switch (internal->modcod) {
1662 case STB0899_DUMMY_PLF:
1663 params->modulation = DVBFE_MOD_NONE;
1664 params->fec = DVBFE_FEC_NONE;
1665 break;
1666 case STB0899_QPSK_14:
1667 params->modulation = DVBFE_MOD_QPSK;
1668 params->fec = DVBFE_FEC_1_4;
1669 break;
1670 case STB0899_QPSK_13:
1671 params->modulation = DVBFE_MOD_QPSK;
1672 params->fec = DVBFE_FEC_1_3;
1673 break;
1674 case STB0899_QPSK_25:
1675 params->modulation = DVBFE_MOD_QPSK;
1676 params->fec = DVBFE_FEC_2_5;
1677 break;
1678 case STB0899_QPSK_12:
1679 params->modulation = DVBFE_MOD_QPSK;
1680 params->fec = DVBFE_FEC_1_2;
1681 break;
1682 case STB0899_QPSK_35:
1683 params->modulation = DVBFE_MOD_QPSK;
1684 params->fec = DVBFE_FEC_3_5;
1685 break;
1686 case STB0899_QPSK_23:
1687 params->modulation = DVBFE_MOD_QPSK;
1688 params->fec = DVBFE_FEC_2_3;
1689 break;
1690 case STB0899_QPSK_34:
1691 params->modulation = DVBFE_MOD_QPSK;
1692 params->fec = DVBFE_FEC_3_4;
1693 break;
1694 case STB0899_QPSK_45:
1695 params->modulation = DVBFE_MOD_QPSK;
1696 params->fec = DVBFE_FEC_4_5;
1697 break;
1698 case STB0899_QPSK_56:
1699 params->modulation = DVBFE_MOD_QPSK;
1700 params->fec = DVBFE_FEC_5_6;
1701 break;
1702 case STB0899_QPSK_89:
1703 params->modulation = DVBFE_MOD_QPSK;
1704 params->fec = DVBFE_FEC_8_9;
1705 break;
1706 case STB0899_QPSK_910:
1707 params->modulation = DVBFE_MOD_QPSK;
1708 params->fec = DVBFE_FEC_9_10;
1709 break;
1710 case STB0899_8PSK_35:
1711 params->modulation = DVBFE_MOD_8PSK;
1712 params->fec = DVBFE_FEC_3_5;
1713 break;
1714 case STB0899_8PSK_23:
1715 params->modulation = DVBFE_MOD_8PSK;
1716 params->fec = DVBFE_FEC_2_3;
1717 break;
1718 case STB0899_8PSK_34:
1719 params->modulation = DVBFE_MOD_8PSK;
1720 params->fec = DVBFE_FEC_3_4;
1721 break;
1722 case STB0899_8PSK_56:
1723 params->modulation = DVBFE_MOD_8PSK;
1724 params->fec = DVBFE_FEC_5_6;
1725 break;
1726 case STB0899_8PSK_89:
1727 params->modulation = DVBFE_MOD_8PSK;
1728 params->fec = DVBFE_FEC_8_9;
1729 break;
1730 case STB0899_8PSK_910:
1731 params->modulation = DVBFE_MOD_8PSK;
1732 params->fec = DVBFE_FEC_9_10;
1733 break;
1734 case STB0899_16APSK_23:
1735 params->modulation = DVBFE_MOD_16APSK;
1736 params->fec = DVBFE_FEC_2_3;
1737 break;
1738 case STB0899_16APSK_34:
1739 params->modulation = DVBFE_MOD_16APSK;
1740 params->fec = DVBFE_FEC_3_4;
1741 break;
1742 case STB0899_16APSK_45:
1743 params->modulation = DVBFE_MOD_16APSK;
1744 params->fec = DVBFE_FEC_4_5;
1745 break;
1746 case STB0899_16APSK_56:
1747 params->modulation = DVBFE_MOD_16APSK;
1748 params->fec = DVBFE_FEC_5_6;
1749 break;
1750 case STB0899_16APSK_89:
1751 params->modulation = DVBFE_MOD_16APSK;
1752 params->fec = DVBFE_FEC_8_9;
1753 break;
1754 case STB0899_16APSK_910:
1755 params->modulation = DVBFE_MOD_16APSK;
1756 params->fec = DVBFE_FEC_9_10;
1757 break;
1758 case STB0899_32APSK_34:
1759 params->modulation = DVBFE_MOD_32APSK;
1760 params->fec = DVBFE_FEC_3_4;
1761 break;
1762 case STB0899_32APSK_45:
1763 params->modulation = DVBFE_MOD_32APSK;
1764 params->fec = DVBFE_FEC_4_5;
1765 break;
1766 case STB0899_32APSK_56:
1767 params->modulation = DVBFE_MOD_32APSK;
1768 params->fec = DVBFE_FEC_5_6;
1769 break;
1770 case STB0899_32APSK_89:
1771 params->modulation = DVBFE_MOD_32APSK;
1772 params->fec = DVBFE_FEC_8_9;
1773 break;
1774 case STB0899_32APSK_910:
1775 params->modulation = DVBFE_MOD_32APSK;
1776 params->fec = DVBFE_FEC_9_10;
1777 break;
1778 default:
1779 return -EINVAL;
1780 }
1781
1782 return 0;
1783}
1784
1785/*
1786 * stb0899_track
1787 * periodically check the signal level against a specified
1788 * threshold level and perform derotator centering.
1789 * called once we have a lock from a succesful search
1790 * event.
1791 *
1792 * Will be called periodically called to maintain the
1793 * lock.
1794 *
1795 * Will be used to get parameters as well as info from
1796 * the decoded baseband header
1797 *
1798 * Once a new lock has established, the internal state
1799 * frequency (internal->freq) is updated
1800 */
Manu Abraham795b72b2007-07-02 09:01:48 -03001801static int stb0899_track(struct dvb_frontend *fe, struct dvbfe_params *params, int *delay)
Manu Abraham8bd135b2007-07-03 09:53:42 -03001802{
Manu Abraham795b72b2007-07-02 09:01:48 -03001803 u32 lock_lost;
1804
Manu Abraham8bd135b2007-07-03 09:53:42 -03001805 struct stb0899_state *state = fe->demodulator_priv;
1806 struct stb0899_internal *internal = &state->internal;
1807
Manu Abraham795b72b2007-07-02 09:01:48 -03001808 lock_lost = STB0899_READ_S2REG(STB0899_S2DEMOD, LOCK_LOST);
1809 dprintk(verbose, FE_DEBUG, 1, "Lock Lost=[0x%02x]\n", lock_lost);
1810 if (STB0899_GETFIELD(LOCK_LOST, lock_lost))
1811 dprintk(verbose, FE_ERROR, 1, "Demodulator LOST LOCK !\n");
1812
1813 *delay = HZ/10;
Manu Abraham8bd135b2007-07-03 09:53:42 -03001814
1815 return 0;
1816}
1817
1818static int stb0899_get_params(struct dvb_frontend *fe, struct dvbfe_params *params)
1819{
1820 struct stb0899_state *state = fe->demodulator_priv;
1821 struct stb0899_internal *internal = &state->internal;
1822
1823 params->frequency = internal->freq;
1824 params->inversion = internal->inversion;
1825 params->delivery = state->delsys;
1826 switch (state->delsys) {
1827 case DVBFE_DELSYS_DVBS:
1828 dprintk(verbose, FE_DEBUG, 1, "Get DVB-S params");
1829 params->delsys.dvbs.symbol_rate = internal->srate;
1830 params->delsys.dvbs.modulation = DVBFE_MOD_QPSK;
1831 break;
1832 case DVBFE_DELSYS_DSS:
1833 dprintk(verbose, FE_DEBUG, 1, "Get DSS params");
1834 params->delsys.dss.symbol_rate = internal->srate;
1835 params->delsys.dss.modulation = DVBFE_MOD_QPSK;
Manu Abraham8bd135b2007-07-03 09:53:42 -03001836 break;
1837 case DVBFE_DELSYS_DVBS2:
1838 dprintk(verbose, FE_DEBUG, 1, "Get DVB-S2 params");
1839 params->delsys.dvbs2.symbol_rate = internal->srate;
1840 break;
1841 default:
1842 dprintk(verbose, FE_ERROR, 1, "Unsupported delivery system");
1843 return -EINVAL;
1844 }
1845
1846 return 0;
1847}
1848
1849static enum dvbfe_algo stb0899_frontend_algo(struct dvb_frontend *fe)
1850{
1851 return DVBFE_ALGO_CUSTOM;
1852}
1853
1854static struct dvb_frontend_ops stb0899_ops = {
1855
1856 .info = {
1857 .name = "STB0899 Multistandard",
1858 },
1859
1860 .release = stb0899_release,
1861 .init = stb0899_init,
1862 .sleep = stb0899_sleep,
1863// .wakeup = stb0899_wakeup,
1864
1865 .i2c_gate_ctrl = stb0899_i2c_gate_ctrl,
1866 .get_info = stb0899_get_info,
1867 .get_delsys = stb0899_get_delsys,
1868
1869 .get_frontend_algo = stb0899_frontend_algo,
1870 .search = stb0899_search,
1871 .track = stb0899_track,
1872 .get_params = stb0899_get_params,
1873
1874 .read_status = stb0899_read_status,
1875 .read_snr = stb0899_read_snr,
1876 .read_signal_strength = stb0899_read_signal_strength,
1877 .read_status = stb0899_read_status,
1878 .read_ber = stb0899_read_ber,
1879
1880 .set_voltage = stb0899_set_voltage,
1881 .set_tone = stb0899_set_tone,
1882
1883 .diseqc_send_master_cmd = stb0899_send_diseqc_msg,
1884 .diseqc_recv_slave_reply = stb0899_recv_slave_reply,
1885 .diseqc_send_burst = stb0899_send_diseqc_burst,
1886};
1887
1888struct dvb_frontend *stb0899_attach(struct stb0899_config *config, struct i2c_adapter *i2c)
1889{
1890 struct stb0899_state *state = NULL;
Manu Abrahamb48e2de2007-09-24 19:51:32 -03001891 enum stb0899_inversion inversion;
Manu Abraham8bd135b2007-07-03 09:53:42 -03001892
1893 state = kzalloc(sizeof (struct stb0899_state), GFP_KERNEL);
1894 if (state == NULL)
1895 goto error;
1896
Manu Abrahamb48e2de2007-09-24 19:51:32 -03001897 inversion = config->inversion;
Manu Abraham8bd135b2007-07-03 09:53:42 -03001898 state->verbose = verbose;
1899 state->config = config;
1900 state->i2c = i2c;
1901 state->frontend.ops = stb0899_ops;
1902 state->frontend.demodulator_priv = state;
Manu Abrahamb48e2de2007-09-24 19:51:32 -03001903 state->internal.inversion = inversion;
Manu Abraham8bd135b2007-07-03 09:53:42 -03001904
1905 stb0899_wakeup(&state->frontend);
1906 if (stb0899_get_dev_id(state) == -ENODEV) {
1907 printk("%s: Exiting .. !\n", __func__);
1908 goto error;
1909 }
1910
1911 printk("%s: Attaching STB0899 \n", __func__);
1912 return &state->frontend;
1913
1914error:
1915 kfree(state);
1916 return NULL;
1917}
1918EXPORT_SYMBOL(stb0899_attach);
1919MODULE_PARM_DESC(verbose, "Set Verbosity level");
1920MODULE_AUTHOR("Manu Abraham");
1921MODULE_DESCRIPTION("STB0899 Multi-Std frontend");
1922MODULE_LICENSE("GPL");