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path: root/drivers/media/dvb/frontends/stb0899_drv.c
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Diffstat (limited to 'drivers/media/dvb/frontends/stb0899_drv.c')
-rw-r--r--drivers/media/dvb/frontends/stb0899_drv.c1963
1 files changed, 1963 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/stb0899_drv.c b/drivers/media/dvb/frontends/stb0899_drv.c
new file mode 100644
index 000000000000..3cb9b48bac7e
--- /dev/null
+++ b/drivers/media/dvb/frontends/stb0899_drv.c
@@ -0,0 +1,1963 @@
1/*
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
254
255 return (unsigned int)buf;
256}
257
258int stb0899_read_reg(struct stb0899_state *state, unsigned int reg)
259{
260 int result;
261
262 result = _stb0899_read_reg(state, reg);
263 /*
264 * Bug ID 9:
265 * access to 0xf2xx/0xf6xx
266 * must be followed by read from 0xf2ff/0xf6ff.
267 */
268 if ((reg != 0xf2ff) && (reg != 0xf6ff) &&
269 (((reg & 0xff00) == 0xf200) || ((reg & 0xff00) == 0xf600)))
270 _stb0899_read_reg(state, (reg | 0x00ff));
271
272 return result;
273}
274
275u32 _stb0899_read_s2reg(struct stb0899_state *state,
276 u32 stb0899_i2cdev,
277 u32 stb0899_base_addr,
278 u16 stb0899_reg_offset)
279{
280 int status;
281 u32 data;
282 u8 buf[7] = { 0 };
283 u16 tmpaddr;
284
285 u8 buf_0[] = {
286 GETBYTE(stb0899_i2cdev, BYTE1), /* 0xf3 S2 Base Address (MSB) */
287 GETBYTE(stb0899_i2cdev, BYTE0), /* 0xfc S2 Base Address (LSB) */
288 GETBYTE(stb0899_base_addr, BYTE0), /* 0x00 Base Address (LSB) */
289 GETBYTE(stb0899_base_addr, BYTE1), /* 0x04 Base Address (LSB) */
290 GETBYTE(stb0899_base_addr, BYTE2), /* 0x00 Base Address (MSB) */
291 GETBYTE(stb0899_base_addr, BYTE3), /* 0x00 Base Address (MSB) */
292 };
293 u8 buf_1[] = {
294 0x00, /* 0xf3 Reg Offset */
295 0x00, /* 0x44 Reg Offset */
296 };
297
298 struct i2c_msg msg_0 = {
299 .addr = state->config->demod_address,
300 .flags = 0,
301 .buf = buf_0,
302 .len = 6
303 };
304
305 struct i2c_msg msg_1 = {
306 .addr = state->config->demod_address,
307 .flags = 0,
308 .buf = buf_1,
309 .len = 2
310 };
311
312 struct i2c_msg msg_r = {
313 .addr = state->config->demod_address,
314 .flags = I2C_M_RD,
315 .buf = buf,
316 .len = 4
317 };
318
319 tmpaddr = stb0899_reg_offset & 0xff00;
320 if (!(stb0899_reg_offset & 0x8))
321 tmpaddr = stb0899_reg_offset | 0x20;
322
323 buf_1[0] = GETBYTE(tmpaddr, BYTE1);
324 buf_1[1] = GETBYTE(tmpaddr, BYTE0);
325
326 status = i2c_transfer(state->i2c, &msg_0, 1);
327 if (status < 1) {
328 if (status != -ERESTARTSYS)
329 printk(KERN_ERR "%s ERR(1), Device=[0x%04x], Base address=[0x%08x], Offset=[0x%04x], Status=%d\n",
330 __func__, stb0899_i2cdev, stb0899_base_addr, stb0899_reg_offset, status);
331
332 goto err;
333 }
334
335 /* Dummy */
336 status = i2c_transfer(state->i2c, &msg_1, 1);
337 if (status < 1)
338 goto err;
339
340 status = i2c_transfer(state->i2c, &msg_r, 1);
341 if (status < 1)
342 goto err;
343
344 buf_1[0] = GETBYTE(stb0899_reg_offset, BYTE1);
345 buf_1[1] = GETBYTE(stb0899_reg_offset, BYTE0);
346
347 /* Actual */
348 status = i2c_transfer(state->i2c, &msg_1, 1);
349 if (status < 1) {
350 if (status != -ERESTARTSYS)
351 printk(KERN_ERR "%s ERR(2), Device=[0x%04x], Base address=[0x%08x], Offset=[0x%04x], Status=%d\n",
352 __func__, stb0899_i2cdev, stb0899_base_addr, stb0899_reg_offset, status);
353 goto err;
354 }
355
356 status = i2c_transfer(state->i2c, &msg_r, 1);
357 if (status < 1) {
358 if (status != -ERESTARTSYS)
359 printk(KERN_ERR "%s ERR(3), Device=[0x%04x], Base address=[0x%08x], Offset=[0x%04x], Status=%d\n",
360 __func__, stb0899_i2cdev, stb0899_base_addr, stb0899_reg_offset, status);
361 return status < 0 ? status : -EREMOTEIO;
362 }
363
364 data = MAKEWORD32(buf[3], buf[2], buf[1], buf[0]);
365 if (unlikely(state->verbose >= FE_DEBUGREG))
366 printk(KERN_DEBUG "%s Device=[0x%04x], Base address=[0x%08x], Offset=[0x%04x], Data=[0x%08x]\n",
367 __func__, stb0899_i2cdev, stb0899_base_addr, stb0899_reg_offset, data);
368
369 return data;
370
371err:
372 return status < 0 ? status : -EREMOTEIO;
373}
374
375int stb0899_write_s2reg(struct stb0899_state *state,
376 u32 stb0899_i2cdev,
377 u32 stb0899_base_addr,
378 u16 stb0899_reg_offset,
379 u32 stb0899_data)
380{
381 int status;
382
383 /* Base Address Setup */
384 u8 buf_0[] = {
385 GETBYTE(stb0899_i2cdev, BYTE1), /* 0xf3 S2 Base Address (MSB) */
386 GETBYTE(stb0899_i2cdev, BYTE0), /* 0xfc S2 Base Address (LSB) */
387 GETBYTE(stb0899_base_addr, BYTE0), /* 0x00 Base Address (LSB) */
388 GETBYTE(stb0899_base_addr, BYTE1), /* 0x04 Base Address (LSB) */
389 GETBYTE(stb0899_base_addr, BYTE2), /* 0x00 Base Address (MSB) */
390 GETBYTE(stb0899_base_addr, BYTE3), /* 0x00 Base Address (MSB) */
391 };
392 u8 buf_1[] = {
393 0x00, /* 0xf3 Reg Offset */
394 0x00, /* 0x44 Reg Offset */
395 0x00, /* data */
396 0x00, /* data */
397 0x00, /* data */
398 0x00, /* data */
399 };
400
401 struct i2c_msg msg_0 = {
402 .addr = state->config->demod_address,
403 .flags = 0,
404 .buf = buf_0,
405 .len = 6
406 };
407
408 struct i2c_msg msg_1 = {
409 .addr = state->config->demod_address,
410 .flags = 0,
411 .buf = buf_1,
412 .len = 6
413 };
414
415 buf_1[0] = GETBYTE(stb0899_reg_offset, BYTE1);
416 buf_1[1] = GETBYTE(stb0899_reg_offset, BYTE0);
417 buf_1[2] = GETBYTE(stb0899_data, BYTE0);
418 buf_1[3] = GETBYTE(stb0899_data, BYTE1);
419 buf_1[4] = GETBYTE(stb0899_data, BYTE2);
420 buf_1[5] = GETBYTE(stb0899_data, BYTE3);
421
422 if (unlikely(state->verbose >= FE_DEBUGREG))
423 printk(KERN_DEBUG "%s Device=[0x%04x], Base Address=[0x%08x], Offset=[0x%04x], Data=[0x%08x]\n",
424 __func__, stb0899_i2cdev, stb0899_base_addr, stb0899_reg_offset, stb0899_data);
425
426 status = i2c_transfer(state->i2c, &msg_0, 1);
427 if (unlikely(status < 1)) {
428 if (status != -ERESTARTSYS)
429 printk(KERN_ERR "%s ERR (1), Device=[0x%04x], Base Address=[0x%08x], Offset=[0x%04x], Data=[0x%08x], status=%d\n",
430 __func__, stb0899_i2cdev, stb0899_base_addr, stb0899_reg_offset, stb0899_data, status);
431 goto err;
432 }
433 status = i2c_transfer(state->i2c, &msg_1, 1);
434 if (unlikely(status < 1)) {
435 if (status != -ERESTARTSYS)
436 printk(KERN_ERR "%s ERR (2), Device=[0x%04x], Base Address=[0x%08x], Offset=[0x%04x], Data=[0x%08x], status=%d\n",
437 __func__, stb0899_i2cdev, stb0899_base_addr, stb0899_reg_offset, stb0899_data, status);
438
439 return status < 0 ? status : -EREMOTEIO;
440 }
441
442 return 0;
443
444err:
445 return status < 0 ? status : -EREMOTEIO;
446}
447
448int stb0899_read_regs(struct stb0899_state *state, unsigned int reg, u8 *buf, size_t count)
449{
450 int status;
451
452 u8 b0[] = { reg >> 8, reg & 0xff };
453
454 struct i2c_msg msg[] = {
455 {
456 .addr = state->config->demod_address,
457 .flags = 0,
458 .buf = b0,
459 .len = 2
460 },{
461 .addr = state->config->demod_address,
462 .flags = I2C_M_RD,
463 .buf = buf,
464 .len = count
465 }
466 };
467
468 status = i2c_transfer(state->i2c, msg, 2);
469 if (status != 2) {
470 if (status != -ERESTARTSYS)
471 printk(KERN_ERR "%s Read error, Reg=[0x%04x], Count=%u, Status=%d\n",
472 __func__, reg, count, status);
473 goto err;
474 }
475 /*
476 * Bug ID 9:
477 * access to 0xf2xx/0xf6xx
478 * must be followed by read from 0xf2ff/0xf6ff.
479 */
480 if ((reg != 0xf2ff) && (reg != 0xf6ff) &&
481 (((reg & 0xff00) == 0xf200) || ((reg & 0xff00) == 0xf600)))
482 _stb0899_read_reg(state, (reg | 0x00ff));
483
484 if (unlikely(state->verbose >= FE_DEBUGREG)) {
485 int i;
486
487 printk(KERN_DEBUG "%s [0x%04x]:", __func__, reg);
488 for (i = 0; i < count; i++) {
489 printk(" %02x", buf[i]);
490 }
491 printk("\n");
492 }
493
494 return 0;
495err:
496 return status < 0 ? status : -EREMOTEIO;
497}
498
499int stb0899_write_regs(struct stb0899_state *state, unsigned int reg, u8 *data, size_t count)
500{
501 int ret;
502 u8 buf[2 + count];
503 struct i2c_msg i2c_msg = {
504 .addr = state->config->demod_address,
505 .flags = 0,
506 .buf = buf,
507 .len = 2 + count
508 };
509
510 buf[0] = reg >> 8;
511 buf[1] = reg & 0xff;
512 memcpy(&buf[2], data, count);
513
514 if (unlikely(state->verbose >= FE_DEBUGREG)) {
515 int i;
516
517 printk(KERN_DEBUG "%s [0x%04x]:", __func__, reg);
518 for (i = 0; i < count; i++)
519 printk(" %02x", data[i]);
520 printk("\n");
521 }
522 ret = i2c_transfer(state->i2c, &i2c_msg, 1);
523
524 /*
525 * Bug ID 9:
526 * access to 0xf2xx/0xf6xx
527 * must be followed by read from 0xf2ff/0xf6ff.
528 */
529 if ((((reg & 0xff00) == 0xf200) || ((reg & 0xff00) == 0xf600)))
530 stb0899_read_reg(state, (reg | 0x00ff));
531
532 if (ret != 1) {
533 if (ret != -ERESTARTSYS)
534 dprintk(verbose, FE_ERROR, 1, "Reg=[0x%04x], Data=[0x%02x ...], Count=%u, Status=%d",
535 reg, data[0], count, ret);
536 return ret < 0 ? ret : -EREMOTEIO;
537 }
538
539 return 0;
540}
541
542int stb0899_write_reg(struct stb0899_state *state, unsigned int reg, u8 data)
543{
544 return stb0899_write_regs(state, reg, &data, 1);
545}
546
547/*
548 * stb0899_get_mclk
549 * Get STB0899 master clock frequency
550 * ExtClk: external clock frequency (Hz)
551 */
552static u32 stb0899_get_mclk(struct stb0899_state *state)
553{
554 u32 mclk = 90000000, div = 0;
555
556 div = stb0899_read_reg(state, STB0899_NCOARSE);
557 mclk = (div + 1) * state->config->xtal_freq / 6;
558 dprintk(verbose, FE_DEBUG, 1, "div=%d, mclk=%d", div, mclk);
559
560 return mclk;
561}
562
563/*
564 * stb0899_set_mclk
565 * Set STB0899 master Clock frequency
566 * Mclk: demodulator master clock
567 * ExtClk: external clock frequency (Hz)
568 */
569static void stb0899_set_mclk(struct stb0899_state *state, u32 Mclk)
570{
571 struct stb0899_internal *internal = &state->internal;
572 u8 mdiv = 0;
573
574 dprintk(verbose, FE_DEBUG, 1, "state->config=%p", state->config);
575 mdiv = ((6 * Mclk) / state->config->xtal_freq) - 1;
576 dprintk(verbose, FE_DEBUG, 1, "mdiv=%d", mdiv);
577
578 stb0899_write_reg(state, STB0899_NCOARSE, mdiv);
579 internal->master_clk = stb0899_get_mclk(state);
580
581 dprintk(verbose, FE_DEBUG, 1, "MasterCLOCK=%d", internal->master_clk);
582}
583
584static void stb0899_release(struct dvb_frontend *fe)
585{
586 struct stb0899_state *state = fe->demodulator_priv;
587
588 dprintk(verbose, FE_DEBUG, 1, "Release Frontend");
589 kfree(state);
590}
591
592/*
593 * stb0899_get_alpha
594 * return: rolloff
595 */
596static int stb0899_get_alpha(struct stb0899_state *state)
597{
598 u8 mode_coeff;
599
600 mode_coeff = stb0899_read_reg(state, STB0899_DEMOD);
601
602 if (STB0899_GETFIELD(MODECOEFF, mode_coeff) == 1)
603 return 20;
604 else
605 return 35;
606}
607
608/*
609 * stb0899_init_calc
610 */
611static void stb0899_init_calc(struct stb0899_state *state)
612{
613 struct stb0899_internal *internal = &state->internal;
614 int master_clk;
615 u8 agc[1];
616 u8 agc1cn;
617 u32 reg;
618
619 /* Read registers (in burst mode) */
620 agc1cn = stb0899_read_reg(state, STB0899_AGC1CN);
621 stb0899_read_regs(state, STB0899_AGC1REF, agc, 2); /* AGC1R and AGC2O */
622
623 /* Initial calculations */
624 master_clk = stb0899_get_mclk(state);
625 internal->t_agc1 = 0;
626 internal->t_agc2 = 0;
627 internal->master_clk = master_clk;
628 internal->mclk = master_clk / 65536L;
629 internal->rolloff = stb0899_get_alpha(state);
630
631 /* DVBS2 Initial calculations */
632 /* Set AGC value to the middle */
633 internal->agc_gain = 8154;
634 reg = STB0899_READ_S2REG(STB0899_S2DEMOD, IF_AGC_CNTRL);
635 STB0899_SETFIELD_VAL(IF_GAIN_INIT, reg, internal->agc_gain);
636 stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_IF_AGC_CNTRL, STB0899_OFF0_IF_AGC_CNTRL, reg);
637
638 reg = STB0899_READ_S2REG(STB0899_S2DEMOD, RRC_ALPHA);
639 internal->rrc_alpha = STB0899_GETFIELD(RRC_ALPHA, reg);
640
641 internal->center_freq = 0;
642 internal->av_frame_coarse = 10;
643 internal->av_frame_fine = 20;
644 internal->step_size = 2;
645/*
646 if ((pParams->SpectralInv == FE_IQ_NORMAL) || (pParams->SpectralInv == FE_IQ_AUTO))
647 pParams->IQLocked = 0;
648 else
649 pParams->IQLocked = 1;
650*/
651}
652
653static int stb0899_wait_diseqc_fifo_empty(struct stb0899_state *state, int timeout)
654{
655 u8 reg = 0;
656 unsigned long start = jiffies;
657
658 while (1) {
659 reg = stb0899_read_reg(state, STB0899_DISSTATUS);
660 if (!STB0899_GETFIELD(FIFOFULL, reg))
661 break;
662 if ((jiffies - start) > timeout) {
663 dprintk(verbose, FE_ERROR, 1, "timed out !!");
664 return -ETIMEDOUT;
665 }
666 }
667
668 return 0;
669}
670
671static int stb0899_send_diseqc_msg(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd *cmd)
672{
673 struct stb0899_state *state = fe->demodulator_priv;
674 u8 reg, i;
675
676 if (cmd->msg_len > 8)
677 return -EINVAL;
678
679 /* enable FIFO precharge */
680 reg = stb0899_read_reg(state, STB0899_DISCNTRL1);
681 STB0899_SETFIELD_VAL(DISPRECHARGE, reg, 1);
682 stb0899_write_reg(state, STB0899_DISCNTRL1, reg);
683 for (i = 0; i < cmd->msg_len; i++) {
684 /* wait for FIFO empty */
685 if (stb0899_wait_diseqc_fifo_empty(state, 10) < 0)
686 return -ETIMEDOUT;
687
688 stb0899_write_reg(state, STB0899_DISFIFO, cmd->msg[i]);
689 }
690 reg = stb0899_read_reg(state, STB0899_DISCNTRL1);
691 STB0899_SETFIELD_VAL(DISPRECHARGE, reg, 0);
692 stb0899_write_reg(state, STB0899_DISCNTRL1, reg);
693
694 return 0;
695}
696
697static int stb0899_wait_diseqc_rxidle(struct stb0899_state *state, int timeout)
698{
699 u8 reg = 0;
700 unsigned long start = jiffies;
701
702 while (!STB0899_GETFIELD(RXEND, reg)) {
703 reg = stb0899_read_reg(state, STB0899_DISRX_ST0);
704 if (jiffies - start > timeout) {
705 dprintk(verbose, FE_ERROR, 1, "timed out!!");
706 return -ETIMEDOUT;
707 }
708 msleep(10);
709 }
710
711 return 0;
712}
713
714static int stb0899_recv_slave_reply(struct dvb_frontend *fe, struct dvb_diseqc_slave_reply *reply)
715{
716 struct stb0899_state *state = fe->demodulator_priv;
717 u8 reg, length = 0, i;
718 int result;
719
720 if (stb0899_wait_diseqc_rxidle(state, 100) < 0)
721 return -ETIMEDOUT;
722
723 reg = stb0899_read_reg(state, STB0899_DISRX_ST0);
724 if (STB0899_GETFIELD(RXEND, reg)) {
725
726 reg = stb0899_read_reg(state, STB0899_DISRX_ST1);
727 length = STB0899_GETFIELD(FIFOBYTENBR, reg);
728
729 if (length > sizeof (reply->msg)) {
730 result = -EOVERFLOW;
731 goto exit;
732 }
733 reply->msg_len = length;
734
735 /* extract data */
736 for (i = 0; i < length; i++)
737 reply->msg[i] = stb0899_read_reg(state, STB0899_DISFIFO);
738 }
739
740 return 0;
741exit:
742
743 return result;
744}
745
746static int stb0899_wait_diseqc_txidle(struct stb0899_state *state, int timeout)
747{
748 u8 reg = 0;
749 unsigned long start = jiffies;
750
751 while (!STB0899_GETFIELD(TXIDLE, reg)) {
752 reg = stb0899_read_reg(state, STB0899_DISSTATUS);
753 if (jiffies - start > timeout) {
754 dprintk(verbose, FE_ERROR, 1, "timed out!!");
755 return -ETIMEDOUT;
756 }
757 msleep(10);
758 }
759 return 0;
760}
761
762static int stb0899_send_diseqc_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t burst)
763{
764 struct stb0899_state *state = fe->demodulator_priv;
765 u8 reg, old_state;
766
767 /* wait for diseqc idle */
768 if (stb0899_wait_diseqc_txidle(state, 100) < 0)
769 return -ETIMEDOUT;
770
771 reg = stb0899_read_reg(state, STB0899_DISCNTRL1);
772 old_state = reg;
773 /* set to burst mode */
774 STB0899_SETFIELD_VAL(DISEQCMODE, reg, 0x02);
775 STB0899_SETFIELD_VAL(DISPRECHARGE, reg, 0x01);
776 stb0899_write_reg(state, STB0899_DISCNTRL1, reg);
777 switch (burst) {
778 case SEC_MINI_A:
779 /* unmodulated */
780 stb0899_write_reg(state, STB0899_DISFIFO, 0x00);
781 break;
782 case SEC_MINI_B:
783 /* modulated */
784 stb0899_write_reg(state, STB0899_DISFIFO, 0xff);
785 break;
786 }
787 reg = stb0899_read_reg(state, STB0899_DISCNTRL1);
788 STB0899_SETFIELD_VAL(DISPRECHARGE, reg, 0x00);
789 stb0899_write_reg(state, STB0899_DISCNTRL1, reg);
790 /* wait for diseqc idle */
791 if (stb0899_wait_diseqc_txidle(state, 100) < 0)
792 return -ETIMEDOUT;
793
794 /* restore state */
795 stb0899_write_reg(state, STB0899_DISCNTRL1, old_state);
796
797 return 0;
798}
799
800
801static int stb0899_sleep(struct dvb_frontend *fe)
802{
803 struct stb0899_state *state = fe->demodulator_priv;
804 u8 reg;
805
806 dprintk(verbose, FE_DEBUG, 1, "Going to Sleep .. (Really tired .. :-))");
807
808 reg = stb0899_read_reg(state, STB0899_SYNTCTRL);
809 STB0899_SETFIELD_VAL(STANDBY, reg, 1);
810 stb0899_write_reg(state, STB0899_SYNTCTRL, reg);
811
812 return 0;
813}
814
815static int stb0899_wakeup(struct dvb_frontend *fe)
816{
817 int rc;
818 struct stb0899_state *state = fe->demodulator_priv;
819
820 if ((rc = stb0899_write_reg(state, STB0899_SYNTCTRL, STB0899_SELOSCI)))
821 return rc;
822 /* Activate all clocks; DVB-S2 registers are inaccessible otherwise. */
823 if ((rc = stb0899_write_reg(state, STB0899_STOPCLK1, 0x00)))
824 return rc;
825 if ((rc = stb0899_write_reg(state, STB0899_STOPCLK2, 0x00)))
826 return rc;
827
828 return 0;
829}
830
831static int stb0899_init(struct dvb_frontend *fe)
832{
833 int i;
834 struct stb0899_state *state = fe->demodulator_priv;
835 struct stb0899_config *config = state->config;
836
837 dprintk(verbose, FE_DEBUG, 1, "Initializing STB0899 ... ");
838// mutex_init(&state->search_lock);
839
840 /* init device */
841 dprintk(verbose, FE_DEBUG, 1, "init device");
842 for (i = 0; config->init_dev[i].address != 0xffff; i++)
843 stb0899_write_reg(state, config->init_dev[i].address, config->init_dev[i].data);
844
845 dprintk(verbose, FE_DEBUG, 1, "init S2 demod");
846 /* init S2 demod */
847 for (i = 0; config->init_s2_demod[i].offset != 0xffff; i++)
848 stb0899_write_s2reg(state, STB0899_S2DEMOD,
849 config->init_s2_demod[i].base_address,
850 config->init_s2_demod[i].offset,
851 config->init_s2_demod[i].data);
852
853 dprintk(verbose, FE_DEBUG, 1, "init S1 demod");
854 /* init S1 demod */
855 for (i = 0; config->init_s1_demod[i].address != 0xffff; i++)
856 stb0899_write_reg(state, config->init_s1_demod[i].address, config->init_s1_demod[i].data);
857
858 dprintk(verbose, FE_DEBUG, 1, "init S2 FEC");
859 /* init S2 fec */
860 for (i = 0; config->init_s2_fec[i].offset != 0xffff; i++)
861 stb0899_write_s2reg(state, STB0899_S2FEC,
862 config->init_s2_fec[i].base_address,
863 config->init_s2_fec[i].offset,
864 config->init_s2_fec[i].data);
865
866 dprintk(verbose, FE_DEBUG, 1, "init TST");
867 /* init test */
868 for (i = 0; config->init_tst[i].address != 0xffff; i++)
869 stb0899_write_reg(state, config->init_tst[i].address, config->init_tst[i].data);
870
871 stb0899_init_calc(state);
872// stb0899_diseqc_init(state);
873
874 return 0;
875}
876
877static int stb0899_table_lookup(const struct stb0899_tab *tab, int max, int val)
878{
879 int res = 0;
880 int min = 0, med;
881
882 if (val < tab[min].read)
883 res = tab[min].real;
884 else if (val >= tab[max].read)
885 res = tab[max].real;
886 else {
887 while ((max - min) > 1) {
888 med = (max + min) / 2;
889 if (val >= tab[min].read && val < tab[med].read)
890 max = med;
891 else
892 min = med;
893 }
894 res = ((val - tab[min].read) *
895 (tab[max].real - tab[min].real) /
896 (tab[max].read - tab[min].read)) +
897 tab[min].real;
898 }
899
900 return res;
901}
902
903static int stb0899_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
904{
905 struct stb0899_state *state = fe->demodulator_priv;
906 struct stb0899_internal *internal = &state->internal;
907
908 int val;
909 u32 reg;
910 switch (state->delsys) {
911 case DVBFE_DELSYS_DVBS:
912 case DVBFE_DELSYS_DSS:
913 if (internal->lock) {
914 reg = stb0899_read_reg(state, STB0899_VSTATUS);
915 if (STB0899_GETFIELD(VSTATUS_LOCKEDVIT, reg)) {
916
917 reg = stb0899_read_reg(state, STB0899_AGCIQIN);
918 val = (s32)(s8)STB0899_GETFIELD(AGCIQVALUE, reg);
919
920 *strength = stb0899_table_lookup(stb0899_dvbsrf_tab, ARRAY_SIZE(stb0899_dvbsrf_tab) - 1, val);
921 *strength += 750;
922 dprintk(verbose, FE_DEBUG, 1, "AGCIQVALUE = 0x%02x, C = %d * 0.1 dBm",
923 val & 0xff, *strength);
924 }
925 }
926 break;
927 case DVBFE_DELSYS_DVBS2:
928 if (internal->lock) {
929 reg = STB0899_READ_S2REG(STB0899_DEMOD, IF_AGC_GAIN);
930 val = STB0899_GETFIELD(IF_AGC_GAIN, reg);
931
932 *strength = stb0899_table_lookup(stb0899_dvbs2rf_tab, ARRAY_SIZE(stb0899_dvbs2rf_tab) - 1, val);
933 *strength += 750;
934 dprintk(verbose, FE_DEBUG, 1, "IF_AGC_GAIN = 0x%04x, C = %d * 0.1 dBm",
935 val & 0x3fff, *strength);
936 }
937 break;
938 default:
939 dprintk(verbose, FE_DEBUG, 1, "Unsupported delivery system");
940 break;
941 }
942
943 return 0;
944}
945
946static int stb0899_read_snr(struct dvb_frontend *fe, u16 *snr)
947{
948 struct stb0899_state *state = fe->demodulator_priv;
949 struct stb0899_internal *internal = &state->internal;
950
951 unsigned int val, quant, quantn = -1, est, estn = -1;
952 u8 buf[2];
953 u32 reg;
954
955 reg = stb0899_read_reg(state, STB0899_VSTATUS);
956 switch (state->delsys) {
957 case DVBFE_DELSYS_DVBS:
958 case DVBFE_DELSYS_DSS:
959 if (internal->lock) {
960 if (STB0899_GETFIELD(VSTATUS_LOCKEDVIT, reg)) {
961
962 stb0899_read_regs(state, STB0899_NIRM, buf, 2);
963 val = MAKEWORD16(buf[0], buf[1]);
964
965 *snr = stb0899_table_lookup(stb0899_cn_tab, ARRAY_SIZE(stb0899_cn_tab) - 1, val);
966 dprintk(verbose, FE_DEBUG, 1, "NIR = 0x%02x%02x = %u, C/N = %d * 0.1 dBm\n",
967 buf[0], buf[1], val, *snr);
968 }
969 }
970 break;
971 case DVBFE_DELSYS_DVBS2:
972 if (internal->lock) {
973 reg = STB0899_READ_S2REG(STB0899_S2DEMOD, UWP_CNTRL1);
974 quant = STB0899_GETFIELD(UWP_ESN0_QUANT, reg);
975 reg = STB0899_READ_S2REG(STB0899_S2DEMOD, UWP_STAT2);
976 est = STB0899_GETFIELD(ESN0_EST, reg);
977 if (est == 1)
978 val = 301; /* C/N = 30.1 dB */
979 else if (est == 2)
980 val = 270; /* C/N = 27.0 dB */
981 else {
982 /* quantn = 100 * log(quant^2) */
983 quantn = stb0899_table_lookup(stb0899_quant_tab, ARRAY_SIZE(stb0899_quant_tab) - 1, quant * 100);
984 /* estn = 100 * log(est) */
985 estn = stb0899_table_lookup(stb0899_est_tab, ARRAY_SIZE(stb0899_est_tab) - 1, est);
986 /* snr(dBm/10) = -10*(log(est)-log(quant^2)) => snr(dBm/10) = (100*log(quant^2)-100*log(est))/10 */
987 val = (quantn - estn) / 10;
988 }
989 *snr = val;
990 dprintk(verbose, FE_DEBUG, 1, "Es/N0 quant = %d (%d) estimate = %u (%d), C/N = %d * 0.1 dBm",
991 quant, quantn, est, estn, val);
992 }
993 break;
994 default:
995 dprintk(verbose, FE_DEBUG, 1, "Unsupported delivery system");
996 break;
997 }
998
999 return 0;
1000}
1001
1002static int stb0899_read_status(struct dvb_frontend *fe, enum fe_status *status)
1003{
1004 struct stb0899_state *state = fe->demodulator_priv;
1005 struct stb0899_internal *internal = &state->internal;
1006 u8 reg;
1007 *status = 0;
1008
1009 switch (state->delsys) {
1010 case DVBFE_DELSYS_DVBS:
1011 case DVBFE_DELSYS_DSS:
1012 dprintk(state->verbose, FE_DEBUG, 1, "Delivery system DVB-S/DSS");
1013 if (internal->lock) {
1014 reg = stb0899_read_reg(state, STB0899_VSTATUS);
1015 if (STB0899_GETFIELD(VSTATUS_LOCKEDVIT, reg)) {
1016 dprintk(state->verbose, FE_DEBUG, 1, "--------> FE_HAS_CARRIER | FE_HAS_LOCK");
1017 *status |= FE_HAS_CARRIER | FE_HAS_LOCK;
1018
1019 reg = stb0899_read_reg(state, STB0899_PLPARM);
1020 if (STB0899_GETFIELD(VITCURPUN, reg)) {
1021 dprintk(state->verbose, FE_DEBUG, 1, "--------> FE_HAS_VITERBI | FE_HAS_SYNC");
1022 *status |= FE_HAS_VITERBI | FE_HAS_SYNC;
1023 }
1024 }
1025 }
1026 break;
1027 case DVBFE_DELSYS_DVBS2:
1028 dprintk(state->verbose, FE_DEBUG, 1, "Delivery system DVB-S2");
1029 if (internal->lock) {
1030 reg = STB0899_READ_S2REG(STB0899_S2DEMOD, DMD_STAT2);
1031 if (STB0899_GETFIELD(UWP_LOCK, reg) && STB0899_GETFIELD(CSM_LOCK, reg)) {
1032 *status |= FE_HAS_CARRIER;
1033 dprintk(state->verbose, FE_DEBUG, 1,
1034 "UWP & CSM Lock ! ---> DVB-S2 FE_HAS_CARRIER");
1035
1036 reg = stb0899_read_reg(state, STB0899_CFGPDELSTATUS1);
1037 if (STB0899_GETFIELD(CFGPDELSTATUS_LOCK, reg)) {
1038 *status |= FE_HAS_LOCK;
1039 dprintk(state->verbose, FE_DEBUG, 1,
1040 "Packet Delineator Locked ! -----> DVB-S2 FE_HAS_LOCK");
1041
1042 }
1043 if (STB0899_GETFIELD(CONTINUOUS_STREAM, reg)) {
1044 *status |= FE_HAS_VITERBI;
1045 dprintk(state->verbose, FE_DEBUG, 1,
1046 "Packet Delineator found VITERBI ! -----> DVB-S2 FE_HAS_VITERBI");
1047 }
1048 if (STB0899_GETFIELD(ACCEPTED_STREAM, reg)) {
1049 *status |= FE_HAS_SYNC;
1050 dprintk(state->verbose, FE_DEBUG, 1,
1051 "Packet Delineator found SYNC ! -----> DVB-S2 FE_HAS_SYNC");
1052 }
1053 }
1054 }
1055 break;
1056 default:
1057 dprintk(verbose, FE_DEBUG, 1, "Unsupported delivery system");
1058 break;
1059 }
1060 return 0;
1061}
1062
1063/*
1064 * stb0899_get_error
1065 * viterbi error for DVB-S/DSS
1066 * packet error for DVB-S2
1067 * Bit Error Rate or Packet Error Rate * 10 ^ 7
1068 */
1069static int stb0899_read_ber(struct dvb_frontend *fe, u32 *ber)
1070{
1071 struct stb0899_state *state = fe->demodulator_priv;
1072 struct stb0899_internal *internal = &state->internal;
1073
1074 u8 lsb, msb;
1075 u32 i;
1076
1077 *ber = 0;
1078
1079 switch (state->delsys) {
1080 case DVBFE_DELSYS_DVBS:
1081 case DVBFE_DELSYS_DSS:
1082 if (internal->lock) {
1083 /* average 5 BER values */
1084 for (i = 0; i < 5; i++) {
1085 msleep(100);
1086 lsb = stb0899_read_reg(state, STB0899_ECNT1L);
1087 msb = stb0899_read_reg(state, STB0899_ECNT1M);
1088 *ber += MAKEWORD16(msb, lsb);
1089 }
1090 *ber /= 5;
1091 /* Viterbi Check */
1092 if (STB0899_GETFIELD(VSTATUS_PRFVIT, internal->v_status)) {
1093 /* Error Rate */
1094 *ber *= 9766;
1095 /* ber = ber * 10 ^ 7 */
1096 *ber /= (-1 + (1 << (2 * STB0899_GETFIELD(NOE, internal->err_ctrl))));
1097 *ber /= 8;
1098 }
1099 }
1100 break;
1101 case DVBFE_DELSYS_DVBS2:
1102 if (internal->lock) {
1103 /* Average 5 PER values */
1104 for (i = 0; i < 5; i++) {
1105 msleep(100);
1106 lsb = stb0899_read_reg(state, STB0899_ECNT1L);
1107 msb = stb0899_read_reg(state, STB0899_ECNT1M);
1108 *ber += MAKEWORD16(msb, lsb);
1109 }
1110 /* ber = ber * 10 ^ 7 */
1111 *ber *= 10000000;
1112 *ber /= (-1 + (1 << (4 + 2 * STB0899_GETFIELD(NOE, internal->err_ctrl))));
1113 }
1114 break;
1115 default:
1116 dprintk(verbose, FE_DEBUG, 1, "Unsupported delivery system");
1117 }
1118
1119 return 0;
1120}
1121
1122static int stb0899_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
1123{
1124 struct stb0899_state *state = fe->demodulator_priv;
1125
1126 switch (voltage) {
1127 case SEC_VOLTAGE_13:
1128 stb0899_write_reg(state, STB0899_GPIO00CFG, 0x82);
1129 stb0899_write_reg(state, STB0899_GPIO01CFG, 0x02);
1130 stb0899_write_reg(state, STB0899_GPIO02CFG, 0x00);
1131 break;
1132 case SEC_VOLTAGE_18:
1133 stb0899_write_reg(state, STB0899_GPIO00CFG, 0x02);
1134 stb0899_write_reg(state, STB0899_GPIO01CFG, 0x02);
1135 stb0899_write_reg(state, STB0899_GPIO02CFG, 0x82);
1136 break;
1137 case SEC_VOLTAGE_OFF:
1138 stb0899_write_reg(state, STB0899_GPIO00CFG, 0x82);
1139 stb0899_write_reg(state, STB0899_GPIO01CFG, 0x82);
1140 stb0899_write_reg(state, STB0899_GPIO02CFG, 0x82);
1141 break;
1142 default:
1143 return -EINVAL;
1144 }
1145
1146 return 0;
1147}
1148
1149static int stb0899_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
1150{
1151 struct stb0899_state *state = fe->demodulator_priv;
1152 struct stb0899_internal *internal = &state->internal;
1153
1154 u8 div;
1155
1156 /* wait for diseqc idle */
1157 if (stb0899_wait_diseqc_txidle(state, 100) < 0)
1158 return -ETIMEDOUT;
1159
1160 switch (tone) {
1161 case SEC_TONE_ON:
1162 div = (internal->master_clk / 100) / 5632;
1163 div = (div + 5) / 10;
1164 stb0899_write_reg(state, STB0899_DISEQCOCFG, 0x66);
1165 stb0899_write_reg(state, STB0899_ACRPRESC, 0x31);
1166 stb0899_write_reg(state, STB0899_ACRDIV1, div);
1167 break;
1168 case SEC_TONE_OFF:
1169 stb0899_write_reg(state, STB0899_DISEQCOCFG, 0x20);
1170 break;
1171 default:
1172 break;
1173 }
1174 return 0;
1175}
1176
1177static int stb0899_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
1178{
1179 int i2c_stat;
1180 struct stb0899_state *state = fe->demodulator_priv;
1181
1182 i2c_stat = stb0899_read_reg(state, STB0899_I2CRPT);
1183 if (i2c_stat < 0)
1184 goto err;
1185
1186 if (enable) {
1187 dprintk(state->verbose, FE_DEBUG, 1, "Enabling I2C Repeater ...");
1188 i2c_stat |= STB0899_I2CTON;
1189 if (stb0899_write_reg(state, STB0899_I2CRPT, i2c_stat) < 0)
1190 goto err;
1191 }
1192 return 0;
1193err:
1194 dprintk(state->verbose, FE_ERROR, 1, "I2C Repeater enable failed");
1195 return -EREMOTEIO;
1196}
1197
1198
1199static inline void CONVERT32(u32 x, char *str)
1200{
1201 *str++ = (x >> 24) & 0xff;
1202 *str++ = (x >> 16) & 0xff;
1203 *str++ = (x >> 8) & 0xff;
1204 *str++ = (x >> 0) & 0xff;
1205 *str = '\0';
1206}
1207
1208int stb0899_get_dev_id(struct stb0899_state *state)
1209{
1210 u8 chip_id, release;
1211 u16 id;
1212 u32 demod_ver = 0, fec_ver = 0;
1213 char demod_str[4] = { 0 };
1214 char fec_str[4] = { 0 };
1215
1216 id = stb0899_read_reg(state, STB0899_DEV_ID);
1217 dprintk(state->verbose, FE_DEBUG, 1, "ID reg=[0x%02x]", id);
1218 chip_id = STB0899_GETFIELD(CHIP_ID, id);
1219 release = STB0899_GETFIELD(CHIP_REL, id);
1220
1221 dprintk(state->verbose, FE_ERROR, 1, "Device ID=[%d], Release=[%d]",
1222 chip_id, release);
1223
1224 CONVERT32(STB0899_READ_S2REG(STB0899_S2DEMOD, DMD_CORE_ID), (char *)&demod_str);
1225
1226 demod_ver = STB0899_READ_S2REG(STB0899_S2DEMOD, DMD_VERSION_ID);
1227 dprintk(state->verbose, FE_ERROR, 1, "Demodulator Core ID=[%s], Version=[%d]", (char *) &demod_str, demod_ver);
1228 CONVERT32(STB0899_READ_S2REG(STB0899_S2FEC, FEC_CORE_ID_REG), (char *)&fec_str);
1229 fec_ver = STB0899_READ_S2REG(STB0899_S2FEC, FEC_VER_ID_REG);
1230 if (! (chip_id > 0)) {
1231 dprintk(state->verbose, FE_ERROR, 1, "couldn't find a STB 0899");
1232
1233 return -ENODEV;
1234 }
1235 dprintk(state->verbose, FE_ERROR, 1, "FEC Core ID=[%s], Version=[%d]", (char*) &fec_str, fec_ver);
1236
1237 return 0;
1238}
1239
1240static const struct dvbfe_info dvbs_info = {
1241 .name = "STB0899 DVB-S",
1242 .delivery = DVBFE_DELSYS_DVBS,
1243 .delsys = {
1244 .dvbs.modulation = DVBFE_MOD_QPSK,
1245 .dvbs.fec = DVBFE_FEC_1_2 | DVBFE_FEC_2_3 |
1246 DVBFE_FEC_3_4 | DVBFE_FEC_5_6 |
1247 DVBFE_FEC_6_7
1248 },
1249
1250 .frequency_min = 950000,
1251 .frequency_max = 2150000,
1252 .frequency_step = 0,
1253 .symbol_rate_min = 1000000,
1254 .symbol_rate_max = 45000000,
1255 .symbol_rate_tolerance = 0
1256};
1257
1258static const struct dvbfe_info dss_info = {
1259 .name = "STB0899 DSS",
1260 .delivery = DVBFE_DELSYS_DSS,
1261 .delsys = {
1262 .dss.modulation = DVBFE_MOD_BPSK | DVBFE_MOD_QPSK,
1263 .dss.fec = DVBFE_FEC_1_2 | DVBFE_FEC_2_3 |
1264 DVBFE_FEC_3_4 | DVBFE_FEC_5_6 |
1265 DVBFE_FEC_6_7
1266 },
1267
1268 .frequency_min = 950000,
1269 .frequency_max = 2150000,
1270 .frequency_step = 0,
1271 .symbol_rate_min = 1000000,
1272 .symbol_rate_max = 45000000,
1273 .symbol_rate_tolerance = 0
1274};
1275
1276static const struct dvbfe_info dvbs2_info = {
1277 .name = "STB0899 DVB-S2",
1278 .delivery = DVBFE_DELSYS_DVBS2,
1279 .delsys = {
1280 .dvbs2.modulation = DVBFE_MOD_QPSK | DVBFE_MOD_8PSK |
1281 DVBFE_MOD_16APSK | DVBFE_MOD_32APSK,
1282
1283 .dvbs2.fec = DVBFE_FEC_1_4 | DVBFE_FEC_1_3 |
1284 DVBFE_FEC_2_5 | DVBFE_FEC_1_2 |
1285 DVBFE_FEC_3_5 | DVBFE_FEC_2_3 |
1286 DVBFE_FEC_3_4 | DVBFE_FEC_4_5 |
1287 DVBFE_FEC_5_6 | DVBFE_FEC_8_9 |
1288 DVBFE_FEC_9_10,
1289 },
1290
1291 .frequency_min = 950000,
1292 .frequency_max = 2150000,
1293 .frequency_step = 0,
1294 .symbol_rate_min = 1000000,
1295 .symbol_rate_max = 45000000,
1296 .symbol_rate_tolerance = 0
1297};
1298
1299static int stb0899_get_info(struct dvb_frontend *fe, struct dvbfe_info *fe_info)
1300{
1301 struct stb0899_state *state = fe->demodulator_priv;
1302
1303 dprintk(verbose, FE_DEBUG, 1, "Get Info");
1304
1305 state->delsys = fe_info->delivery;
1306 switch (state->delsys) {
1307 case DVBFE_DELSYS_DVBS:
1308 dprintk(verbose, FE_ERROR, 1, "Querying DVB-S info");
1309 memcpy(fe_info, &dvbs_info, sizeof (struct dvbfe_info));
1310 break;
1311 case DVBFE_DELSYS_DSS:
1312 dprintk(verbose, FE_ERROR, 1, "Querying DSS info");
1313 memcpy(fe_info, &dss_info, sizeof (struct dvbfe_info));
1314 break;
1315 case DVBFE_DELSYS_DVBS2:
1316 dprintk(verbose, FE_ERROR, 1, "Querying DVB-S2 info");
1317 memcpy(fe_info, &dvbs2_info, sizeof (struct dvbfe_info));
1318 break;
1319 default:
1320 dprintk(verbose, FE_ERROR, 1, "Unsupported delivery system");
1321 return -EINVAL;
1322 }
1323 dprintk(verbose, FE_DEBUG, 1, "delivery system=%d", state->delsys);
1324
1325 return 0;
1326}
1327
1328static int stb0899_get_delsys(struct dvb_frontend *fe, enum dvbfe_delsys *fe_delsys)
1329{
1330 *fe_delsys = DVBFE_DELSYS_DVBS | DVBFE_DELSYS_DSS | DVBFE_DELSYS_DVBS2;
1331
1332 return 0;
1333}
1334
1335void stb0899_set_delsys(struct stb0899_state *state)
1336{
1337 u8 reg;
1338 u8 stop_clk[2];
1339
1340 stop_clk[0] = stb0899_read_reg(state, STB0899_STOPCLK1);
1341 stop_clk[1] = stb0899_read_reg(state, STB0899_STOPCLK2);
1342
1343 switch (state->delsys) {
1344 case DVBFE_DELSYS_DVBS:
1345 dprintk(verbose, FE_DEBUG, 1, "Delivery System -- DVB-S");
1346 /* FECM/Viterbi ON */
1347 reg = stb0899_read_reg(state, STB0899_FECM);
1348 STB0899_SETFIELD_VAL(FECM_RSVD0, reg, 0);
1349 STB0899_SETFIELD_VAL(FECM_VITERBI_ON, reg, 1);
1350 stb0899_write_reg(state, STB0899_FECM, reg);
1351
1352 stb0899_write_reg(state, STB0899_RSULC, 0xb1);
1353 stb0899_write_reg(state, STB0899_TSULC, 0x40);
1354 stb0899_write_reg(state, STB0899_RSLLC, 0x42);
1355 stb0899_write_reg(state, STB0899_TSLPL, 0x12);
1356
1357 reg = stb0899_read_reg(state, STB0899_TSTRES);
1358 STB0899_SETFIELD_VAL(FRESLDPC, reg, 1);
1359 stb0899_write_reg(state, STB0899_TSTRES, reg);
1360
1361 STB0899_SETFIELD_VAL(STOP_CHK8PSK, stop_clk[0], 1);
1362 STB0899_SETFIELD_VAL(STOP_CKFEC108, stop_clk[0], 1);
1363 STB0899_SETFIELD_VAL(STOP_CKFEC216, stop_clk[0], 1);
1364
1365 STB0899_SETFIELD_VAL(STOP_CKPKDLIN108, stop_clk[1], 1);
1366 STB0899_SETFIELD_VAL(STOP_CKPKDLIN216, stop_clk[1], 1);
1367
1368 STB0899_SETFIELD_VAL(STOP_CKINTBUF216, stop_clk[0], 1);
1369 STB0899_SETFIELD_VAL(STOP_CKCORE216, stop_clk[0], 1);
1370
1371 STB0899_SETFIELD_VAL(STOP_CKS2DMD108, stop_clk[1], 1);
1372 break;
1373 case DVBFE_DELSYS_DVBS2:
1374 /* FECM/Viterbi OFF */
1375 reg = stb0899_read_reg(state, STB0899_FECM);
1376 STB0899_SETFIELD_VAL(FECM_RSVD0, reg, 0);
1377 STB0899_SETFIELD_VAL(FECM_VITERBI_ON, reg, 0);
1378 stb0899_write_reg(state, STB0899_FECM, reg);
1379
1380 stb0899_write_reg(state, STB0899_RSULC, 0xb1);
1381 stb0899_write_reg(state, STB0899_TSULC, 0x42);
1382 stb0899_write_reg(state, STB0899_RSLLC, 0x40);
1383 stb0899_write_reg(state, STB0899_TSLPL, 0x02);
1384
1385 reg = stb0899_read_reg(state, STB0899_TSTRES);
1386 STB0899_SETFIELD_VAL(FRESLDPC, reg, 0);
1387 stb0899_write_reg(state, STB0899_TSTRES, reg);
1388
1389 STB0899_SETFIELD_VAL(STOP_CHK8PSK, stop_clk[0], 1);
1390 STB0899_SETFIELD_VAL(STOP_CKFEC108, stop_clk[0], 0);
1391 STB0899_SETFIELD_VAL(STOP_CKFEC216, stop_clk[0], 0);
1392
1393 STB0899_SETFIELD_VAL(STOP_CKPKDLIN108, stop_clk[1], 0);
1394 STB0899_SETFIELD_VAL(STOP_CKPKDLIN216, stop_clk[1], 0);
1395
1396 STB0899_SETFIELD_VAL(STOP_CKINTBUF216, stop_clk[0], 0);
1397 STB0899_SETFIELD_VAL(STOP_CKCORE216, stop_clk[0], 0);
1398
1399 STB0899_SETFIELD_VAL(STOP_CKS2DMD108, stop_clk[1], 0);
1400 break;
1401 case DVBFE_DELSYS_DSS:
1402 /* FECM/Viterbi ON */
1403 reg = stb0899_read_reg(state, STB0899_FECM);
1404 STB0899_SETFIELD_VAL(FECM_RSVD0, reg, 1);
1405 STB0899_SETFIELD_VAL(FECM_VITERBI_ON, reg, 1);
1406 stb0899_write_reg(state, STB0899_FECM, reg);
1407
1408 stb0899_write_reg(state, STB0899_RSULC, 0xa1);
1409 stb0899_write_reg(state, STB0899_TSULC, 0x61);
1410 stb0899_write_reg(state, STB0899_RSLLC, 0x42);
1411
1412 reg = stb0899_read_reg(state, STB0899_TSTRES);
1413 STB0899_SETFIELD_VAL(FRESLDPC, reg, 1);
1414 stb0899_write_reg(state, STB0899_TSTRES, reg);
1415
1416 STB0899_SETFIELD_VAL(STOP_CHK8PSK, stop_clk[0], 1);
1417 STB0899_SETFIELD_VAL(STOP_CKFEC108, stop_clk[0], 1);
1418 STB0899_SETFIELD_VAL(STOP_CKFEC216, stop_clk[0], 1);
1419
1420 STB0899_SETFIELD_VAL(STOP_CKPKDLIN108, stop_clk[1], 1);
1421 STB0899_SETFIELD_VAL(STOP_CKPKDLIN216, stop_clk[1], 1);
1422
1423 STB0899_SETFIELD_VAL(STOP_CKCORE216, stop_clk[0], 0);
1424
1425 STB0899_SETFIELD_VAL(STOP_CKS2DMD108, stop_clk[1], 1);
1426 break;
1427 default:
1428 dprintk(verbose, FE_ERROR, 1, "Unsupported delivery system");
1429 break;
1430 }
1431 STB0899_SETFIELD_VAL(STOP_CKADCI108, stop_clk[0], 0);
1432 stb0899_write_regs(state, STB0899_STOPCLK1, stop_clk, 2);
1433}
1434
1435/*
1436 * stb0899_set_iterations
1437 * set the LDPC iteration scale function
1438 */
1439static void stb0899_set_iterations(struct stb0899_state *state)
1440{
1441 struct stb0899_internal *internal = &state->internal;
1442 struct stb0899_config *config = state->config;
1443
1444 s32 iter_scale;
1445 u32 reg;
1446
1447 iter_scale = 17 * (internal->master_clk / 1000);
1448 iter_scale += 410000;
1449 iter_scale /= (internal->srate / 1000000);
1450 iter_scale /= 1000;
1451
1452 if (iter_scale > config->ldpc_max_iter)
1453 iter_scale = config->ldpc_max_iter;
1454
1455 reg = STB0899_READ_S2REG(STB0899_S2DEMOD, MAX_ITER);
1456 STB0899_SETFIELD_VAL(MAX_ITERATIONS, reg, iter_scale);
1457 stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_MAX_ITER, STB0899_OFF0_MAX_ITER, reg);
1458}
1459
1460static enum dvbfe_search stb0899_search(struct dvb_frontend *fe, struct dvbfe_params *params)
1461{
1462 struct stb0899_state *state = fe->demodulator_priv;
1463 struct stb0899_params *i_params = &state->params;
1464 struct stb0899_internal *internal = &state->internal;
1465
1466 u32 SearchRange, gain;
1467
1468 switch (state->delsys) {
1469 case DVBFE_DELSYS_DVBS:
1470 dprintk(verbose, FE_ERROR, 1, "set DVB-S params");
1471 i_params->freq = params->frequency;
1472 i_params->srate = params->delsys.dvbs.symbol_rate;
1473 break;
1474 case DVBFE_DELSYS_DSS:
1475 dprintk(verbose, FE_ERROR, 1, "set DSS params");
1476 i_params->freq = params->frequency;
1477 i_params->srate = params->delsys.dss.symbol_rate;
1478 break;
1479 case DVBFE_DELSYS_DVBS2:
1480 dprintk(verbose, FE_ERROR, 1, "set DVB-S2 params");
1481 i_params->freq = params->frequency;
1482 i_params->srate = params->delsys.dvbs2.symbol_rate;
1483 break;
1484 default:
1485 dprintk(verbose, FE_ERROR, 1, "Unsupported delivery system");
1486 return -EINVAL;
1487 }
1488 dprintk(verbose, FE_DEBUG, 1, "delivery system=%d", state->delsys);
1489
1490// SearchRange = 3000000; /* Search Bandwidth (3 Mhz, was initially 10 Mhz) */
1491 SearchRange = 10000000; /* Search Bandwidth (3 Mhz, was initially 10 Mhz) */
1492 dprintk(verbose, FE_DEBUG, 1, "Frequency=%d, Srate=%d", i_params->freq, i_params->srate);
1493 /* checking Search Range is meaningless for a fixed 3 Mhz */
1494 if (INRANGE(i_params->srate, 1000000, 45000000)) {
1495 dprintk(verbose, FE_DEBUG, 1, "Parameters IN RANGE");
1496 stb0899_set_delsys(state);
1497
1498 if (state->config->tuner_set_rfsiggain) {
1499 if (internal->srate > 15000000)
1500 gain = 8; /* 15Mb < srate < 45Mb, gain = 8dB */
1501 else if (internal->srate > 5000000)
1502 gain = 12; /* 5Mb < srate < 15Mb, gain = 12dB */
1503 else
1504 gain = 14; /* 1Mb < srate < 5Mb, gain = 14db */
1505 state->config->tuner_set_rfsiggain(fe, gain);
1506 }
1507
1508 if (i_params->srate <= 5000000)
1509 stb0899_set_mclk(state, 76500000);
1510 else
1511 stb0899_set_mclk(state, 99000000);
1512
1513 switch (state->delsys) {
1514 case DVBFE_DELSYS_DVBS:
1515 case DVBFE_DELSYS_DSS:
1516 dprintk(verbose, FE_DEBUG, 1, "DVB-S delivery system");
1517 internal->freq = i_params->freq;
1518 internal->srate = i_params->srate;
1519 /*
1520 * search = user search range +
1521 * 500Khz +
1522 * 2 * Tuner_step_size +
1523 * 10% of the symbol rate
1524 */
1525 internal->srch_range = SearchRange + 1500000 + (i_params->srate / 5);
1526 internal->derot_percent = 30;
1527
1528 /* What to do for tuners having no bandwidth setup ? */
1529 if (state->config->tuner_set_bandwidth)
1530 state->config->tuner_set_bandwidth(fe, (13 * (stb0899_carr_width(state) + 10000000)) / 10);
1531 if (state->config->tuner_get_bandwidth)
1532 state->config->tuner_get_bandwidth(fe, &internal->tuner_bw);
1533 /* Set DVB-S1 AGC */
1534 stb0899_write_reg(state, STB0899_AGCRFCFG, 0x11);
1535
1536 /* Run the search algorithm */
1537 dprintk(verbose, FE_DEBUG, 1, "running DVB-S search algo ..");
1538 if (stb0899_dvbs_algo(state) == RANGEOK) {
1539 internal->lock = 1;
1540 dprintk(verbose, FE_DEBUG, 1,
1541 "-------------------------------------> DVB-S LOCK !");
1542
1543// stb0899_write_reg(state, STB0899_ERRCTRL1, 0x3d); /* Viterbi Errors */
1544// internal->v_status = stb0899_read_reg(state, STB0899_VSTATUS);
1545// internal->err_ctrl = stb0899_read_reg(state, STB0899_ERRCTRL1);
1546// dprintk(verbose, FE_DEBUG, 1, "VSTATUS=0x%02x", internal->v_status);
1547// dprintk(verbose, FE_DEBUG, 1, "ERR_CTRL=0x%02x", internal->err_ctrl);
1548
1549 return DVBFE_ALGO_SEARCH_SUCCESS;
1550 } else {
1551 internal->lock = 0;
1552
1553 return DVBFE_ALGO_SEARCH_FAILED;
1554 }
1555 break;
1556 case DVBFE_DELSYS_DVBS2:
1557 internal->freq = i_params->freq;
1558 internal->srate = i_params->srate;
1559 internal->srch_range = SearchRange;
1560
1561 if (state->config->tuner_set_bandwidth)
1562 state->config->tuner_set_bandwidth(fe, (stb0899_carr_width(state) + 10000000));
1563 if (state->config->tuner_get_bandwidth)
1564 state->config->tuner_get_bandwidth(fe, &internal->tuner_bw);
1565
1566// pParams->SpectralInv = pSearch->IQ_Inversion;
1567
1568 /* Set DVB-S2 AGC */
1569 stb0899_write_reg(state, STB0899_AGCRFCFG, 0x1c);
1570
1571 /* Set IterScale =f(MCLK,SYMB) */
1572 stb0899_set_iterations(state);
1573
1574 /* Run the search algorithm */
1575 dprintk(verbose, FE_DEBUG, 1, "running DVB-S2 search algo ..");
1576 if (stb0899_dvbs2_algo(state) == DVBS2_FEC_LOCK) {
1577 internal->lock = 1;
1578 dprintk(verbose, FE_DEBUG, 1,
1579 "-------------------------------------> DVB-S2 LOCK !");
1580
1581// stb0899_write_reg(state, STB0899_ERRCTRL1, 0xb6); /* Packet Errors */
1582// internal->v_status = stb0899_read_reg(state, STB0899_VSTATUS);
1583// internal->err_ctrl = stb0899_read_reg(state, STB0899_ERRCTRL1);
1584
1585 return DVBFE_ALGO_SEARCH_SUCCESS;
1586 } else {
1587 internal->lock = 0;
1588
1589 return DVBFE_ALGO_SEARCH_FAILED;
1590 }
1591 break;
1592 default:
1593 dprintk(verbose, FE_ERROR, 1, "Unsupported delivery system");
1594 return DVBFE_ALGO_SEARCH_INVALID;
1595 }
1596 }
1597
1598 return DVBFE_ALGO_SEARCH_ERROR;
1599}
1600
1601static enum stb0899_status stb0899_track_carrier(struct stb0899_state *state)
1602{
1603 u8 reg;
1604
1605 reg = stb0899_read_reg(state, STB0899_DSTATUS);
1606 dprintk(verbose, FE_DEBUG, 1, "--------------------> STB0899_DSTATUS=[0x%02x]", reg);
1607 if (STB0899_GETFIELD(CARRIER_FOUND, reg)) {
1608 dprintk(verbose, FE_DEBUG, 1, "-------------> CARRIEROK !");
1609 return CARRIEROK;
1610 } else {
1611 dprintk(verbose, FE_DEBUG, 1, "-------------> NOCARRIER !");
1612 return NOCARRIER;
1613 }
1614
1615 return NOCARRIER;
1616}
1617
1618static enum stb0899_status stb0899_get_ifagc(struct stb0899_state *state)
1619{
1620 u8 reg;
1621
1622 reg = STB0899_READ_S2REG(STB0899_S2DEMOD, DMD_STATUS);
1623 dprintk(verbose, FE_DEBUG, 1, "DMD_STATUS=[0x%02x]", reg);
1624 if (STB0899_GETFIELD(IF_AGC_LOCK, reg)) {
1625 dprintk(verbose, FE_DEBUG, 1, "------------->IF AGC LOCKED !");
1626 return AGC1OK;
1627 } else {
1628 dprintk(verbose, FE_DEBUG, 1, "------------->IF AGC LOCK LOST !");
1629 return NOAGC1;
1630 }
1631
1632 return NOAGC1;
1633}
1634
1635static int stb0899_get_s1fec(struct stb0899_internal *internal, enum dvbfe_fec *fec)
1636{
1637 switch (internal->fecrate) {
1638 case STB0899_FEC_1_2:
1639 *fec = DVBFE_FEC_1_2;
1640 break;
1641 case STB0899_FEC_2_3:
1642 *fec = DVBFE_FEC_2_3;
1643 break;
1644 case STB0899_FEC_3_4:
1645 *fec = DVBFE_FEC_3_4;
1646 break;
1647 case STB0899_FEC_5_6:
1648 *fec = DVBFE_FEC_5_6;
1649 break;
1650 case STB0899_FEC_6_7:
1651 *fec = DVBFE_FEC_6_7;
1652 break;
1653 case STB0899_FEC_7_8:
1654 *fec = DVBFE_FEC_7_8;
1655 break;
1656 default:
1657 return -EINVAL;
1658 }
1659
1660 return 0;
1661}
1662
1663static int stb0899_get_modcod(struct stb0899_internal *internal, struct dvbs2_params *params)
1664{
1665 switch (internal->modcod) {
1666 case STB0899_DUMMY_PLF:
1667 params->modulation = DVBFE_MOD_NONE;
1668 params->fec = DVBFE_FEC_NONE;
1669 break;
1670 case STB0899_QPSK_14:
1671 params->modulation = DVBFE_MOD_QPSK;
1672 params->fec = DVBFE_FEC_1_4;
1673 break;
1674 case STB0899_QPSK_13:
1675 params->modulation = DVBFE_MOD_QPSK;
1676 params->fec = DVBFE_FEC_1_3;
1677 break;
1678 case STB0899_QPSK_25:
1679 params->modulation = DVBFE_MOD_QPSK;
1680 params->fec = DVBFE_FEC_2_5;
1681 break;
1682 case STB0899_QPSK_12:
1683 params->modulation = DVBFE_MOD_QPSK;
1684 params->fec = DVBFE_FEC_1_2;
1685 break;
1686 case STB0899_QPSK_35:
1687 params->modulation = DVBFE_MOD_QPSK;
1688 params->fec = DVBFE_FEC_3_5;
1689 break;
1690 case STB0899_QPSK_23:
1691 params->modulation = DVBFE_MOD_QPSK;
1692 params->fec = DVBFE_FEC_2_3;
1693 break;
1694 case STB0899_QPSK_34:
1695 params->modulation = DVBFE_MOD_QPSK;
1696 params->fec = DVBFE_FEC_3_4;
1697 break;
1698 case STB0899_QPSK_45:
1699 params->modulation = DVBFE_MOD_QPSK;
1700 params->fec = DVBFE_FEC_4_5;
1701 break;
1702 case STB0899_QPSK_56:
1703 params->modulation = DVBFE_MOD_QPSK;
1704 params->fec = DVBFE_FEC_5_6;
1705 break;
1706 case STB0899_QPSK_89:
1707 params->modulation = DVBFE_MOD_QPSK;
1708 params->fec = DVBFE_FEC_8_9;
1709 break;
1710 case STB0899_QPSK_910:
1711 params->modulation = DVBFE_MOD_QPSK;
1712 params->fec = DVBFE_FEC_9_10;
1713 break;
1714 case STB0899_8PSK_35:
1715 params->modulation = DVBFE_MOD_8PSK;
1716 params->fec = DVBFE_FEC_3_5;
1717 break;
1718 case STB0899_8PSK_23:
1719 params->modulation = DVBFE_MOD_8PSK;
1720 params->fec = DVBFE_FEC_2_3;
1721 break;
1722 case STB0899_8PSK_34:
1723 params->modulation = DVBFE_MOD_8PSK;
1724 params->fec = DVBFE_FEC_3_4;
1725 break;
1726 case STB0899_8PSK_56:
1727 params->modulation = DVBFE_MOD_8PSK;
1728 params->fec = DVBFE_FEC_5_6;
1729 break;
1730 case STB0899_8PSK_89:
1731 params->modulation = DVBFE_MOD_8PSK;
1732 params->fec = DVBFE_FEC_8_9;
1733 break;
1734 case STB0899_8PSK_910:
1735 params->modulation = DVBFE_MOD_8PSK;
1736 params->fec = DVBFE_FEC_9_10;
1737 break;
1738 case STB0899_16APSK_23:
1739 params->modulation = DVBFE_MOD_16APSK;
1740 params->fec = DVBFE_FEC_2_3;
1741 break;
1742 case STB0899_16APSK_34:
1743 params->modulation = DVBFE_MOD_16APSK;
1744 params->fec = DVBFE_FEC_3_4;
1745 break;
1746 case STB0899_16APSK_45:
1747 params->modulation = DVBFE_MOD_16APSK;
1748 params->fec = DVBFE_FEC_4_5;
1749 break;
1750 case STB0899_16APSK_56:
1751 params->modulation = DVBFE_MOD_16APSK;
1752 params->fec = DVBFE_FEC_5_6;
1753 break;
1754 case STB0899_16APSK_89:
1755 params->modulation = DVBFE_MOD_16APSK;
1756 params->fec = DVBFE_FEC_8_9;
1757 break;
1758 case STB0899_16APSK_910:
1759 params->modulation = DVBFE_MOD_16APSK;
1760 params->fec = DVBFE_FEC_9_10;
1761 break;
1762 case STB0899_32APSK_34:
1763 params->modulation = DVBFE_MOD_32APSK;
1764 params->fec = DVBFE_FEC_3_4;
1765 break;
1766 case STB0899_32APSK_45:
1767 params->modulation = DVBFE_MOD_32APSK;
1768 params->fec = DVBFE_FEC_4_5;
1769 break;
1770 case STB0899_32APSK_56:
1771 params->modulation = DVBFE_MOD_32APSK;
1772 params->fec = DVBFE_FEC_5_6;
1773 break;
1774 case STB0899_32APSK_89:
1775 params->modulation = DVBFE_MOD_32APSK;
1776 params->fec = DVBFE_FEC_8_9;
1777 break;
1778 case STB0899_32APSK_910:
1779 params->modulation = DVBFE_MOD_32APSK;
1780 params->fec = DVBFE_FEC_9_10;
1781 break;
1782 default:
1783 return -EINVAL;
1784 }
1785
1786 return 0;
1787}
1788
1789/*
1790 * stb0899_track
1791 * periodically check the signal level against a specified
1792 * threshold level and perform derotator centering.
1793 * called once we have a lock from a succesful search
1794 * event.
1795 *
1796 * Will be called periodically called to maintain the
1797 * lock.
1798 *
1799 * Will be used to get parameters as well as info from
1800 * the decoded baseband header
1801 *
1802 * Once a new lock has established, the internal state
1803 * frequency (internal->freq) is updated
1804 */
1805static int stb0899_track(struct dvb_frontend *fe, struct dvbfe_params *params)
1806{
1807 struct stb0899_state *state = fe->demodulator_priv;
1808 struct stb0899_internal *internal = &state->internal;
1809
1810 switch (state->delsys) {
1811 case DVBFE_DELSYS_DVBS:
1812 dprintk(verbose, FE_DEBUG, 1, "Tracking DVB-S state");
1813 if (stb0899_track_carrier(state) == CARRIEROK) {
1814 params->frequency = internal->freq;
1815 params->inversion = internal->inversion;
1816 params->delivery = state->delsys;
1817 params->delsys.dvbs.symbol_rate = internal->srate;
1818 params->delsys.dvbs.modulation = DVBFE_MOD_QPSK;
1819 stb0899_get_s1fec(internal, &params->delsys.dvbs.fec);
1820 }
1821 break;
1822 case DVBFE_DELSYS_DSS:
1823 dprintk(verbose, FE_DEBUG, 1, "Tracking DSS state");
1824 if (stb0899_track_carrier(state) == CARRIEROK) {
1825 params->frequency = internal->freq;
1826 params->inversion = internal->inversion;
1827 params->delivery = state->delsys;
1828 params->delsys.dss.symbol_rate = internal->srate;
1829 params->delsys.dss.modulation = DVBFE_MOD_QPSK;
1830 stb0899_get_s1fec(internal, &params->delsys.dss.fec);
1831 }
1832 break;
1833 case DVBFE_DELSYS_DVBS2:
1834 dprintk(verbose, FE_DEBUG, 1, "Tracking DVB-S2 state");
1835 if (stb0899_get_ifagc(state) == AGC1OK) {
1836 params->frequency = internal->freq;
1837 params->inversion = internal->inversion;
1838 params->delivery = state->delsys;
1839 params->delsys.dvbs2.symbol_rate = internal->srate;
1840 stb0899_get_modcod(internal, &params->delsys.dvbs2);
1841 params->delsys.dvbs2.rolloff = internal->rolloff;
1842 params->delsys.dvbs2.matype_1 = stb0899_read_reg(state, STB0899_MATSTRL);
1843 params->delsys.dvbs2.matype_2 = stb0899_read_reg(state, STB0899_MATSTRM);
1844 params->delsys.dvbs2.upl_1 = stb0899_read_reg(state, STB0899_UPLSTRL);
1845 params->delsys.dvbs2.upl_2 = stb0899_read_reg(state, STB0899_UPLSTRM);
1846 params->delsys.dvbs2.dfl_1 = stb0899_read_reg(state, STB0899_DFLSTRL);
1847 params->delsys.dvbs2.dfl_2 = stb0899_read_reg(state, STB0899_DFLSTRM);
1848 params->delsys.dvbs2.sync = stb0899_read_reg(state, STB0899_SYNCSTR);
1849 params->delsys.dvbs2.syncd_1 = stb0899_read_reg(state, STB0899_SYNCDSTRL);
1850 params->delsys.dvbs2.syncd_2 = stb0899_read_reg(state, STB0899_SYNCDSTRM);
1851 }
1852 break;
1853 default:
1854 dprintk(verbose, FE_ERROR, 1, "Unsupported delivery system");
1855 return -EINVAL;
1856 }
1857
1858 return 0;
1859}
1860
1861static int stb0899_get_params(struct dvb_frontend *fe, struct dvbfe_params *params)
1862{
1863 struct stb0899_state *state = fe->demodulator_priv;
1864 struct stb0899_internal *internal = &state->internal;
1865
1866 params->frequency = internal->freq;
1867 params->inversion = internal->inversion;
1868 params->delivery = state->delsys;
1869 switch (state->delsys) {
1870 case DVBFE_DELSYS_DVBS:
1871 dprintk(verbose, FE_DEBUG, 1, "Get DVB-S params");
1872 params->delsys.dvbs.symbol_rate = internal->srate;
1873 params->delsys.dvbs.modulation = DVBFE_MOD_QPSK;
1874 break;
1875 case DVBFE_DELSYS_DSS:
1876 dprintk(verbose, FE_DEBUG, 1, "Get DSS params");
1877 params->delsys.dss.symbol_rate = internal->srate;
1878 params->delsys.dss.modulation = DVBFE_MOD_QPSK;
1879
1880 break;
1881 case DVBFE_DELSYS_DVBS2:
1882 dprintk(verbose, FE_DEBUG, 1, "Get DVB-S2 params");
1883 params->delsys.dvbs2.symbol_rate = internal->srate;
1884 break;
1885 default:
1886 dprintk(verbose, FE_ERROR, 1, "Unsupported delivery system");
1887 return -EINVAL;
1888 }
1889
1890 return 0;
1891}
1892
1893static enum dvbfe_algo stb0899_frontend_algo(struct dvb_frontend *fe)
1894{
1895 return DVBFE_ALGO_CUSTOM;
1896}
1897
1898static struct dvb_frontend_ops stb0899_ops = {
1899
1900 .info = {
1901 .name = "STB0899 Multistandard",
1902 },
1903
1904 .release = stb0899_release,
1905 .init = stb0899_init,
1906 .sleep = stb0899_sleep,
1907// .wakeup = stb0899_wakeup,
1908
1909 .i2c_gate_ctrl = stb0899_i2c_gate_ctrl,
1910 .get_info = stb0899_get_info,
1911 .get_delsys = stb0899_get_delsys,
1912
1913 .get_frontend_algo = stb0899_frontend_algo,
1914 .search = stb0899_search,
1915 .track = stb0899_track,
1916 .get_params = stb0899_get_params,
1917
1918 .read_status = stb0899_read_status,
1919 .read_snr = stb0899_read_snr,
1920 .read_signal_strength = stb0899_read_signal_strength,
1921 .read_status = stb0899_read_status,
1922 .read_ber = stb0899_read_ber,
1923
1924 .set_voltage = stb0899_set_voltage,
1925 .set_tone = stb0899_set_tone,
1926
1927 .diseqc_send_master_cmd = stb0899_send_diseqc_msg,
1928 .diseqc_recv_slave_reply = stb0899_recv_slave_reply,
1929 .diseqc_send_burst = stb0899_send_diseqc_burst,
1930};
1931
1932struct dvb_frontend *stb0899_attach(struct stb0899_config *config, struct i2c_adapter *i2c)
1933{
1934 struct stb0899_state *state = NULL;
1935
1936 state = kzalloc(sizeof (struct stb0899_state), GFP_KERNEL);
1937 if (state == NULL)
1938 goto error;
1939
1940 state->verbose = verbose;
1941 state->config = config;
1942 state->i2c = i2c;
1943 state->frontend.ops = stb0899_ops;
1944 state->frontend.demodulator_priv = state;
1945
1946 stb0899_wakeup(&state->frontend);
1947 if (stb0899_get_dev_id(state) == -ENODEV) {
1948 printk("%s: Exiting .. !\n", __func__);
1949 goto error;
1950 }
1951
1952 printk("%s: Attaching STB0899 \n", __func__);
1953 return &state->frontend;
1954
1955error:
1956 kfree(state);
1957 return NULL;
1958}
1959EXPORT_SYMBOL(stb0899_attach);
1960MODULE_PARM_DESC(verbose, "Set Verbosity level");
1961MODULE_AUTHOR("Manu Abraham");
1962MODULE_DESCRIPTION("STB0899 Multi-Std frontend");
1963MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-17 16:18:31 -0500