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Diffstat (limited to 'drivers/media/dvb-frontends/drxk_hard.c')
-rw-r--r--drivers/media/dvb-frontends/drxk_hard.c6637
1 files changed, 6637 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/drxk_hard.c b/drivers/media/dvb-frontends/drxk_hard.c
new file mode 100644
index 000000000000..1ab8154542da
--- /dev/null
+++ b/drivers/media/dvb-frontends/drxk_hard.c
@@ -0,0 +1,6637 @@
1/*
2 * drxk_hard: DRX-K DVB-C/T demodulator driver
3 *
4 * Copyright (C) 2010-2011 Digital Devices GmbH
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * version 2 only, as published by the Free Software Foundation.
9 *
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
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., 51 Franklin Street, Fifth Floor, Boston, MA
20 * 02110-1301, USA
21 * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
22 */
23
24#include <linux/kernel.h>
25#include <linux/module.h>
26#include <linux/moduleparam.h>
27#include <linux/init.h>
28#include <linux/delay.h>
29#include <linux/firmware.h>
30#include <linux/i2c.h>
31#include <linux/hardirq.h>
32#include <asm/div64.h>
33
34#include "dvb_frontend.h"
35#include "drxk.h"
36#include "drxk_hard.h"
37
38static int PowerDownDVBT(struct drxk_state *state, bool setPowerMode);
39static int PowerDownQAM(struct drxk_state *state);
40static int SetDVBTStandard(struct drxk_state *state,
41 enum OperationMode oMode);
42static int SetQAMStandard(struct drxk_state *state,
43 enum OperationMode oMode);
44static int SetQAM(struct drxk_state *state, u16 IntermediateFreqkHz,
45 s32 tunerFreqOffset);
46static int SetDVBTStandard(struct drxk_state *state,
47 enum OperationMode oMode);
48static int DVBTStart(struct drxk_state *state);
49static int SetDVBT(struct drxk_state *state, u16 IntermediateFreqkHz,
50 s32 tunerFreqOffset);
51static int GetQAMLockStatus(struct drxk_state *state, u32 *pLockStatus);
52static int GetDVBTLockStatus(struct drxk_state *state, u32 *pLockStatus);
53static int SwitchAntennaToQAM(struct drxk_state *state);
54static int SwitchAntennaToDVBT(struct drxk_state *state);
55
56static bool IsDVBT(struct drxk_state *state)
57{
58 return state->m_OperationMode == OM_DVBT;
59}
60
61static bool IsQAM(struct drxk_state *state)
62{
63 return state->m_OperationMode == OM_QAM_ITU_A ||
64 state->m_OperationMode == OM_QAM_ITU_B ||
65 state->m_OperationMode == OM_QAM_ITU_C;
66}
67
68bool IsA1WithPatchCode(struct drxk_state *state)
69{
70 return state->m_DRXK_A1_PATCH_CODE;
71}
72
73bool IsA1WithRomCode(struct drxk_state *state)
74{
75 return state->m_DRXK_A1_ROM_CODE;
76}
77
78#define NOA1ROM 0
79
80#define DRXDAP_FASI_SHORT_FORMAT(addr) (((addr) & 0xFC30FF80) == 0)
81#define DRXDAP_FASI_LONG_FORMAT(addr) (((addr) & 0xFC30FF80) != 0)
82
83#define DEFAULT_MER_83 165
84#define DEFAULT_MER_93 250
85
86#ifndef DRXK_MPEG_SERIAL_OUTPUT_PIN_DRIVE_STRENGTH
87#define DRXK_MPEG_SERIAL_OUTPUT_PIN_DRIVE_STRENGTH (0x02)
88#endif
89
90#ifndef DRXK_MPEG_PARALLEL_OUTPUT_PIN_DRIVE_STRENGTH
91#define DRXK_MPEG_PARALLEL_OUTPUT_PIN_DRIVE_STRENGTH (0x03)
92#endif
93
94#define DEFAULT_DRXK_MPEG_LOCK_TIMEOUT 700
95#define DEFAULT_DRXK_DEMOD_LOCK_TIMEOUT 500
96
97#ifndef DRXK_KI_RAGC_ATV
98#define DRXK_KI_RAGC_ATV 4
99#endif
100#ifndef DRXK_KI_IAGC_ATV
101#define DRXK_KI_IAGC_ATV 6
102#endif
103#ifndef DRXK_KI_DAGC_ATV
104#define DRXK_KI_DAGC_ATV 7
105#endif
106
107#ifndef DRXK_KI_RAGC_QAM
108#define DRXK_KI_RAGC_QAM 3
109#endif
110#ifndef DRXK_KI_IAGC_QAM
111#define DRXK_KI_IAGC_QAM 4
112#endif
113#ifndef DRXK_KI_DAGC_QAM
114#define DRXK_KI_DAGC_QAM 7
115#endif
116#ifndef DRXK_KI_RAGC_DVBT
117#define DRXK_KI_RAGC_DVBT (IsA1WithPatchCode(state) ? 3 : 2)
118#endif
119#ifndef DRXK_KI_IAGC_DVBT
120#define DRXK_KI_IAGC_DVBT (IsA1WithPatchCode(state) ? 4 : 2)
121#endif
122#ifndef DRXK_KI_DAGC_DVBT
123#define DRXK_KI_DAGC_DVBT (IsA1WithPatchCode(state) ? 10 : 7)
124#endif
125
126#ifndef DRXK_AGC_DAC_OFFSET
127#define DRXK_AGC_DAC_OFFSET (0x800)
128#endif
129
130#ifndef DRXK_BANDWIDTH_8MHZ_IN_HZ
131#define DRXK_BANDWIDTH_8MHZ_IN_HZ (0x8B8249L)
132#endif
133
134#ifndef DRXK_BANDWIDTH_7MHZ_IN_HZ
135#define DRXK_BANDWIDTH_7MHZ_IN_HZ (0x7A1200L)
136#endif
137
138#ifndef DRXK_BANDWIDTH_6MHZ_IN_HZ
139#define DRXK_BANDWIDTH_6MHZ_IN_HZ (0x68A1B6L)
140#endif
141
142#ifndef DRXK_QAM_SYMBOLRATE_MAX
143#define DRXK_QAM_SYMBOLRATE_MAX (7233000)
144#endif
145
146#define DRXK_BL_ROM_OFFSET_TAPS_DVBT 56
147#define DRXK_BL_ROM_OFFSET_TAPS_ITU_A 64
148#define DRXK_BL_ROM_OFFSET_TAPS_ITU_C 0x5FE0
149#define DRXK_BL_ROM_OFFSET_TAPS_BG 24
150#define DRXK_BL_ROM_OFFSET_TAPS_DKILLP 32
151#define DRXK_BL_ROM_OFFSET_TAPS_NTSC 40
152#define DRXK_BL_ROM_OFFSET_TAPS_FM 48
153#define DRXK_BL_ROM_OFFSET_UCODE 0
154
155#define DRXK_BLC_TIMEOUT 100
156
157#define DRXK_BLCC_NR_ELEMENTS_TAPS 2
158#define DRXK_BLCC_NR_ELEMENTS_UCODE 6
159
160#define DRXK_BLDC_NR_ELEMENTS_TAPS 28
161
162#ifndef DRXK_OFDM_NE_NOTCH_WIDTH
163#define DRXK_OFDM_NE_NOTCH_WIDTH (4)
164#endif
165
166#define DRXK_QAM_SL_SIG_POWER_QAM16 (40960)
167#define DRXK_QAM_SL_SIG_POWER_QAM32 (20480)
168#define DRXK_QAM_SL_SIG_POWER_QAM64 (43008)
169#define DRXK_QAM_SL_SIG_POWER_QAM128 (20992)
170#define DRXK_QAM_SL_SIG_POWER_QAM256 (43520)
171
172static unsigned int debug;
173module_param(debug, int, 0644);
174MODULE_PARM_DESC(debug, "enable debug messages");
175
176#define dprintk(level, fmt, arg...) do { \
177if (debug >= level) \
178 printk(KERN_DEBUG "drxk: %s" fmt, __func__, ## arg); \
179} while (0)
180
181
182static inline u32 MulDiv32(u32 a, u32 b, u32 c)
183{
184 u64 tmp64;
185
186 tmp64 = (u64) a * (u64) b;
187 do_div(tmp64, c);
188
189 return (u32) tmp64;
190}
191
192inline u32 Frac28a(u32 a, u32 c)
193{
194 int i = 0;
195 u32 Q1 = 0;
196 u32 R0 = 0;
197
198 R0 = (a % c) << 4; /* 32-28 == 4 shifts possible at max */
199 Q1 = a / c; /* integer part, only the 4 least significant bits
200 will be visible in the result */
201
202 /* division using radix 16, 7 nibbles in the result */
203 for (i = 0; i < 7; i++) {
204 Q1 = (Q1 << 4) | (R0 / c);
205 R0 = (R0 % c) << 4;
206 }
207 /* rounding */
208 if ((R0 >> 3) >= c)
209 Q1++;
210
211 return Q1;
212}
213
214static u32 Log10Times100(u32 x)
215{
216 static const u8 scale = 15;
217 static const u8 indexWidth = 5;
218 u8 i = 0;
219 u32 y = 0;
220 u32 d = 0;
221 u32 k = 0;
222 u32 r = 0;
223 /*
224 log2lut[n] = (1<<scale) * 200 * log2(1.0 + ((1.0/(1<<INDEXWIDTH)) * n))
225 0 <= n < ((1<<INDEXWIDTH)+1)
226 */
227
228 static const u32 log2lut[] = {
229 0, /* 0.000000 */
230 290941, /* 290941.300628 */
231 573196, /* 573196.476418 */
232 847269, /* 847269.179851 */
233 1113620, /* 1113620.489452 */
234 1372674, /* 1372673.576986 */
235 1624818, /* 1624817.752104 */
236 1870412, /* 1870411.981536 */
237 2109788, /* 2109787.962654 */
238 2343253, /* 2343252.817465 */
239 2571091, /* 2571091.461923 */
240 2793569, /* 2793568.696416 */
241 3010931, /* 3010931.055901 */
242 3223408, /* 3223408.452106 */
243 3431216, /* 3431215.635215 */
244 3634553, /* 3634553.498355 */
245 3833610, /* 3833610.244726 */
246 4028562, /* 4028562.434393 */
247 4219576, /* 4219575.925308 */
248 4406807, /* 4406806.721144 */
249 4590402, /* 4590401.736809 */
250 4770499, /* 4770499.491025 */
251 4947231, /* 4947230.734179 */
252 5120719, /* 5120719.018555 */
253 5291081, /* 5291081.217197 */
254 5458428, /* 5458427.996830 */
255 5622864, /* 5622864.249668 */
256 5784489, /* 5784489.488298 */
257 5943398, /* 5943398.207380 */
258 6099680, /* 6099680.215452 */
259 6253421, /* 6253420.939751 */
260 6404702, /* 6404701.706649 */
261 6553600, /* 6553600.000000 */
262 };
263
264
265 if (x == 0)
266 return 0;
267
268 /* Scale x (normalize) */
269 /* computing y in log(x/y) = log(x) - log(y) */
270 if ((x & ((0xffffffff) << (scale + 1))) == 0) {
271 for (k = scale; k > 0; k--) {
272 if (x & (((u32) 1) << scale))
273 break;
274 x <<= 1;
275 }
276 } else {
277 for (k = scale; k < 31; k++) {
278 if ((x & (((u32) (-1)) << (scale + 1))) == 0)
279 break;
280 x >>= 1;
281 }
282 }
283 /*
284 Now x has binary point between bit[scale] and bit[scale-1]
285 and 1.0 <= x < 2.0 */
286
287 /* correction for divison: log(x) = log(x/y)+log(y) */
288 y = k * ((((u32) 1) << scale) * 200);
289
290 /* remove integer part */
291 x &= ((((u32) 1) << scale) - 1);
292 /* get index */
293 i = (u8) (x >> (scale - indexWidth));
294 /* compute delta (x - a) */
295 d = x & ((((u32) 1) << (scale - indexWidth)) - 1);
296 /* compute log, multiplication (d* (..)) must be within range ! */
297 y += log2lut[i] +
298 ((d * (log2lut[i + 1] - log2lut[i])) >> (scale - indexWidth));
299 /* Conver to log10() */
300 y /= 108853; /* (log2(10) << scale) */
301 r = (y >> 1);
302 /* rounding */
303 if (y & ((u32) 1))
304 r++;
305 return r;
306}
307
308/****************************************************************************/
309/* I2C **********************************************************************/
310/****************************************************************************/
311
312static int drxk_i2c_lock(struct drxk_state *state)
313{
314 i2c_lock_adapter(state->i2c);
315 state->drxk_i2c_exclusive_lock = true;
316
317 return 0;
318}
319
320static void drxk_i2c_unlock(struct drxk_state *state)
321{
322 if (!state->drxk_i2c_exclusive_lock)
323 return;
324
325 i2c_unlock_adapter(state->i2c);
326 state->drxk_i2c_exclusive_lock = false;
327}
328
329static int drxk_i2c_transfer(struct drxk_state *state, struct i2c_msg *msgs,
330 unsigned len)
331{
332 if (state->drxk_i2c_exclusive_lock)
333 return __i2c_transfer(state->i2c, msgs, len);
334 else
335 return i2c_transfer(state->i2c, msgs, len);
336}
337
338static int i2c_read1(struct drxk_state *state, u8 adr, u8 *val)
339{
340 struct i2c_msg msgs[1] = { {.addr = adr, .flags = I2C_M_RD,
341 .buf = val, .len = 1}
342 };
343
344 return drxk_i2c_transfer(state, msgs, 1);
345}
346
347static int i2c_write(struct drxk_state *state, u8 adr, u8 *data, int len)
348{
349 int status;
350 struct i2c_msg msg = {
351 .addr = adr, .flags = 0, .buf = data, .len = len };
352
353 dprintk(3, ":");
354 if (debug > 2) {
355 int i;
356 for (i = 0; i < len; i++)
357 printk(KERN_CONT " %02x", data[i]);
358 printk(KERN_CONT "\n");
359 }
360 status = drxk_i2c_transfer(state, &msg, 1);
361 if (status >= 0 && status != 1)
362 status = -EIO;
363
364 if (status < 0)
365 printk(KERN_ERR "drxk: i2c write error at addr 0x%02x\n", adr);
366
367 return status;
368}
369
370static int i2c_read(struct drxk_state *state,
371 u8 adr, u8 *msg, int len, u8 *answ, int alen)
372{
373 int status;
374 struct i2c_msg msgs[2] = {
375 {.addr = adr, .flags = 0,
376 .buf = msg, .len = len},
377 {.addr = adr, .flags = I2C_M_RD,
378 .buf = answ, .len = alen}
379 };
380
381 status = drxk_i2c_transfer(state, msgs, 2);
382 if (status != 2) {
383 if (debug > 2)
384 printk(KERN_CONT ": ERROR!\n");
385 if (status >= 0)
386 status = -EIO;
387
388 printk(KERN_ERR "drxk: i2c read error at addr 0x%02x\n", adr);
389 return status;
390 }
391 if (debug > 2) {
392 int i;
393 dprintk(2, ": read from");
394 for (i = 0; i < len; i++)
395 printk(KERN_CONT " %02x", msg[i]);
396 printk(KERN_CONT ", value = ");
397 for (i = 0; i < alen; i++)
398 printk(KERN_CONT " %02x", answ[i]);
399 printk(KERN_CONT "\n");
400 }
401 return 0;
402}
403
404static int read16_flags(struct drxk_state *state, u32 reg, u16 *data, u8 flags)
405{
406 int status;
407 u8 adr = state->demod_address, mm1[4], mm2[2], len;
408
409 if (state->single_master)
410 flags |= 0xC0;
411
412 if (DRXDAP_FASI_LONG_FORMAT(reg) || (flags != 0)) {
413 mm1[0] = (((reg << 1) & 0xFF) | 0x01);
414 mm1[1] = ((reg >> 16) & 0xFF);
415 mm1[2] = ((reg >> 24) & 0xFF) | flags;
416 mm1[3] = ((reg >> 7) & 0xFF);
417 len = 4;
418 } else {
419 mm1[0] = ((reg << 1) & 0xFF);
420 mm1[1] = (((reg >> 16) & 0x0F) | ((reg >> 18) & 0xF0));
421 len = 2;
422 }
423 dprintk(2, "(0x%08x, 0x%02x)\n", reg, flags);
424 status = i2c_read(state, adr, mm1, len, mm2, 2);
425 if (status < 0)
426 return status;
427 if (data)
428 *data = mm2[0] | (mm2[1] << 8);
429
430 return 0;
431}
432
433static int read16(struct drxk_state *state, u32 reg, u16 *data)
434{
435 return read16_flags(state, reg, data, 0);
436}
437
438static int read32_flags(struct drxk_state *state, u32 reg, u32 *data, u8 flags)
439{
440 int status;
441 u8 adr = state->demod_address, mm1[4], mm2[4], len;
442
443 if (state->single_master)
444 flags |= 0xC0;
445
446 if (DRXDAP_FASI_LONG_FORMAT(reg) || (flags != 0)) {
447 mm1[0] = (((reg << 1) & 0xFF) | 0x01);
448 mm1[1] = ((reg >> 16) & 0xFF);
449 mm1[2] = ((reg >> 24) & 0xFF) | flags;
450 mm1[3] = ((reg >> 7) & 0xFF);
451 len = 4;
452 } else {
453 mm1[0] = ((reg << 1) & 0xFF);
454 mm1[1] = (((reg >> 16) & 0x0F) | ((reg >> 18) & 0xF0));
455 len = 2;
456 }
457 dprintk(2, "(0x%08x, 0x%02x)\n", reg, flags);
458 status = i2c_read(state, adr, mm1, len, mm2, 4);
459 if (status < 0)
460 return status;
461 if (data)
462 *data = mm2[0] | (mm2[1] << 8) |
463 (mm2[2] << 16) | (mm2[3] << 24);
464
465 return 0;
466}
467
468static int read32(struct drxk_state *state, u32 reg, u32 *data)
469{
470 return read32_flags(state, reg, data, 0);
471}
472
473static int write16_flags(struct drxk_state *state, u32 reg, u16 data, u8 flags)
474{
475 u8 adr = state->demod_address, mm[6], len;
476
477 if (state->single_master)
478 flags |= 0xC0;
479 if (DRXDAP_FASI_LONG_FORMAT(reg) || (flags != 0)) {
480 mm[0] = (((reg << 1) & 0xFF) | 0x01);
481 mm[1] = ((reg >> 16) & 0xFF);
482 mm[2] = ((reg >> 24) & 0xFF) | flags;
483 mm[3] = ((reg >> 7) & 0xFF);
484 len = 4;
485 } else {
486 mm[0] = ((reg << 1) & 0xFF);
487 mm[1] = (((reg >> 16) & 0x0F) | ((reg >> 18) & 0xF0));
488 len = 2;
489 }
490 mm[len] = data & 0xff;
491 mm[len + 1] = (data >> 8) & 0xff;
492
493 dprintk(2, "(0x%08x, 0x%04x, 0x%02x)\n", reg, data, flags);
494 return i2c_write(state, adr, mm, len + 2);
495}
496
497static int write16(struct drxk_state *state, u32 reg, u16 data)
498{
499 return write16_flags(state, reg, data, 0);
500}
501
502static int write32_flags(struct drxk_state *state, u32 reg, u32 data, u8 flags)
503{
504 u8 adr = state->demod_address, mm[8], len;
505
506 if (state->single_master)
507 flags |= 0xC0;
508 if (DRXDAP_FASI_LONG_FORMAT(reg) || (flags != 0)) {
509 mm[0] = (((reg << 1) & 0xFF) | 0x01);
510 mm[1] = ((reg >> 16) & 0xFF);
511 mm[2] = ((reg >> 24) & 0xFF) | flags;
512 mm[3] = ((reg >> 7) & 0xFF);
513 len = 4;
514 } else {
515 mm[0] = ((reg << 1) & 0xFF);
516 mm[1] = (((reg >> 16) & 0x0F) | ((reg >> 18) & 0xF0));
517 len = 2;
518 }
519 mm[len] = data & 0xff;
520 mm[len + 1] = (data >> 8) & 0xff;
521 mm[len + 2] = (data >> 16) & 0xff;
522 mm[len + 3] = (data >> 24) & 0xff;
523 dprintk(2, "(0x%08x, 0x%08x, 0x%02x)\n", reg, data, flags);
524
525 return i2c_write(state, adr, mm, len + 4);
526}
527
528static int write32(struct drxk_state *state, u32 reg, u32 data)
529{
530 return write32_flags(state, reg, data, 0);
531}
532
533static int write_block(struct drxk_state *state, u32 Address,
534 const int BlockSize, const u8 pBlock[])
535{
536 int status = 0, BlkSize = BlockSize;
537 u8 Flags = 0;
538
539 if (state->single_master)
540 Flags |= 0xC0;
541
542 while (BlkSize > 0) {
543 int Chunk = BlkSize > state->m_ChunkSize ?
544 state->m_ChunkSize : BlkSize;
545 u8 *AdrBuf = &state->Chunk[0];
546 u32 AdrLength = 0;
547
548 if (DRXDAP_FASI_LONG_FORMAT(Address) || (Flags != 0)) {
549 AdrBuf[0] = (((Address << 1) & 0xFF) | 0x01);
550 AdrBuf[1] = ((Address >> 16) & 0xFF);
551 AdrBuf[2] = ((Address >> 24) & 0xFF);
552 AdrBuf[3] = ((Address >> 7) & 0xFF);
553 AdrBuf[2] |= Flags;
554 AdrLength = 4;
555 if (Chunk == state->m_ChunkSize)
556 Chunk -= 2;
557 } else {
558 AdrBuf[0] = ((Address << 1) & 0xFF);
559 AdrBuf[1] = (((Address >> 16) & 0x0F) |
560 ((Address >> 18) & 0xF0));
561 AdrLength = 2;
562 }
563 memcpy(&state->Chunk[AdrLength], pBlock, Chunk);
564 dprintk(2, "(0x%08x, 0x%02x)\n", Address, Flags);
565 if (debug > 1) {
566 int i;
567 if (pBlock)
568 for (i = 0; i < Chunk; i++)
569 printk(KERN_CONT " %02x", pBlock[i]);
570 printk(KERN_CONT "\n");
571 }
572 status = i2c_write(state, state->demod_address,
573 &state->Chunk[0], Chunk + AdrLength);
574 if (status < 0) {
575 printk(KERN_ERR "drxk: %s: i2c write error at addr 0x%02x\n",
576 __func__, Address);
577 break;
578 }
579 pBlock += Chunk;
580 Address += (Chunk >> 1);
581 BlkSize -= Chunk;
582 }
583 return status;
584}
585
586#ifndef DRXK_MAX_RETRIES_POWERUP
587#define DRXK_MAX_RETRIES_POWERUP 20
588#endif
589
590int PowerUpDevice(struct drxk_state *state)
591{
592 int status;
593 u8 data = 0;
594 u16 retryCount = 0;
595
596 dprintk(1, "\n");
597
598 status = i2c_read1(state, state->demod_address, &data);
599 if (status < 0) {
600 do {
601 data = 0;
602 status = i2c_write(state, state->demod_address,
603 &data, 1);
604 msleep(10);
605 retryCount++;
606 if (status < 0)
607 continue;
608 status = i2c_read1(state, state->demod_address,
609 &data);
610 } while (status < 0 &&
611 (retryCount < DRXK_MAX_RETRIES_POWERUP));
612 if (status < 0 && retryCount >= DRXK_MAX_RETRIES_POWERUP)
613 goto error;
614 }
615
616 /* Make sure all clk domains are active */
617 status = write16(state, SIO_CC_PWD_MODE__A, SIO_CC_PWD_MODE_LEVEL_NONE);
618 if (status < 0)
619 goto error;
620 status = write16(state, SIO_CC_UPDATE__A, SIO_CC_UPDATE_KEY);
621 if (status < 0)
622 goto error;
623 /* Enable pll lock tests */
624 status = write16(state, SIO_CC_PLL_LOCK__A, 1);
625 if (status < 0)
626 goto error;
627
628 state->m_currentPowerMode = DRX_POWER_UP;
629
630error:
631 if (status < 0)
632 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
633
634 return status;
635}
636
637
638static int init_state(struct drxk_state *state)
639{
640 /*
641 * FIXME: most (all?) of the values bellow should be moved into
642 * struct drxk_config, as they are probably board-specific
643 */
644 u32 ulVSBIfAgcMode = DRXK_AGC_CTRL_AUTO;
645 u32 ulVSBIfAgcOutputLevel = 0;
646 u32 ulVSBIfAgcMinLevel = 0;
647 u32 ulVSBIfAgcMaxLevel = 0x7FFF;
648 u32 ulVSBIfAgcSpeed = 3;
649
650 u32 ulVSBRfAgcMode = DRXK_AGC_CTRL_AUTO;
651 u32 ulVSBRfAgcOutputLevel = 0;
652 u32 ulVSBRfAgcMinLevel = 0;
653 u32 ulVSBRfAgcMaxLevel = 0x7FFF;
654 u32 ulVSBRfAgcSpeed = 3;
655 u32 ulVSBRfAgcTop = 9500;
656 u32 ulVSBRfAgcCutOffCurrent = 4000;
657
658 u32 ulATVIfAgcMode = DRXK_AGC_CTRL_AUTO;
659 u32 ulATVIfAgcOutputLevel = 0;
660 u32 ulATVIfAgcMinLevel = 0;
661 u32 ulATVIfAgcMaxLevel = 0;
662 u32 ulATVIfAgcSpeed = 3;
663
664 u32 ulATVRfAgcMode = DRXK_AGC_CTRL_OFF;
665 u32 ulATVRfAgcOutputLevel = 0;
666 u32 ulATVRfAgcMinLevel = 0;
667 u32 ulATVRfAgcMaxLevel = 0;
668 u32 ulATVRfAgcTop = 9500;
669 u32 ulATVRfAgcCutOffCurrent = 4000;
670 u32 ulATVRfAgcSpeed = 3;
671
672 u32 ulQual83 = DEFAULT_MER_83;
673 u32 ulQual93 = DEFAULT_MER_93;
674
675 u32 ulMpegLockTimeOut = DEFAULT_DRXK_MPEG_LOCK_TIMEOUT;
676 u32 ulDemodLockTimeOut = DEFAULT_DRXK_DEMOD_LOCK_TIMEOUT;
677
678 /* io_pad_cfg register (8 bit reg.) MSB bit is 1 (default value) */
679 /* io_pad_cfg_mode output mode is drive always */
680 /* io_pad_cfg_drive is set to power 2 (23 mA) */
681 u32 ulGPIOCfg = 0x0113;
682 u32 ulInvertTSClock = 0;
683 u32 ulTSDataStrength = DRXK_MPEG_SERIAL_OUTPUT_PIN_DRIVE_STRENGTH;
684 u32 ulDVBTBitrate = 50000000;
685 u32 ulDVBCBitrate = DRXK_QAM_SYMBOLRATE_MAX * 8;
686
687 u32 ulInsertRSByte = 0;
688
689 u32 ulRfMirror = 1;
690 u32 ulPowerDown = 0;
691
692 dprintk(1, "\n");
693
694 state->m_hasLNA = false;
695 state->m_hasDVBT = false;
696 state->m_hasDVBC = false;
697 state->m_hasATV = false;
698 state->m_hasOOB = false;
699 state->m_hasAudio = false;
700
701 if (!state->m_ChunkSize)
702 state->m_ChunkSize = 124;
703
704 state->m_oscClockFreq = 0;
705 state->m_smartAntInverted = false;
706 state->m_bPDownOpenBridge = false;
707
708 /* real system clock frequency in kHz */
709 state->m_sysClockFreq = 151875;
710 /* Timing div, 250ns/Psys */
711 /* Timing div, = (delay (nano seconds) * sysclk (kHz))/ 1000 */
712 state->m_HICfgTimingDiv = ((state->m_sysClockFreq / 1000) *
713 HI_I2C_DELAY) / 1000;
714 /* Clipping */
715 if (state->m_HICfgTimingDiv > SIO_HI_RA_RAM_PAR_2_CFG_DIV__M)
716 state->m_HICfgTimingDiv = SIO_HI_RA_RAM_PAR_2_CFG_DIV__M;
717 state->m_HICfgWakeUpKey = (state->demod_address << 1);
718 /* port/bridge/power down ctrl */
719 state->m_HICfgCtrl = SIO_HI_RA_RAM_PAR_5_CFG_SLV0_SLAVE;
720
721 state->m_bPowerDown = (ulPowerDown != 0);
722
723 state->m_DRXK_A1_PATCH_CODE = false;
724 state->m_DRXK_A1_ROM_CODE = false;
725 state->m_DRXK_A2_ROM_CODE = false;
726 state->m_DRXK_A3_ROM_CODE = false;
727 state->m_DRXK_A2_PATCH_CODE = false;
728 state->m_DRXK_A3_PATCH_CODE = false;
729
730 /* Init AGC and PGA parameters */
731 /* VSB IF */
732 state->m_vsbIfAgcCfg.ctrlMode = (ulVSBIfAgcMode);
733 state->m_vsbIfAgcCfg.outputLevel = (ulVSBIfAgcOutputLevel);
734 state->m_vsbIfAgcCfg.minOutputLevel = (ulVSBIfAgcMinLevel);
735 state->m_vsbIfAgcCfg.maxOutputLevel = (ulVSBIfAgcMaxLevel);
736 state->m_vsbIfAgcCfg.speed = (ulVSBIfAgcSpeed);
737 state->m_vsbPgaCfg = 140;
738
739 /* VSB RF */
740 state->m_vsbRfAgcCfg.ctrlMode = (ulVSBRfAgcMode);
741 state->m_vsbRfAgcCfg.outputLevel = (ulVSBRfAgcOutputLevel);
742 state->m_vsbRfAgcCfg.minOutputLevel = (ulVSBRfAgcMinLevel);
743 state->m_vsbRfAgcCfg.maxOutputLevel = (ulVSBRfAgcMaxLevel);
744 state->m_vsbRfAgcCfg.speed = (ulVSBRfAgcSpeed);
745 state->m_vsbRfAgcCfg.top = (ulVSBRfAgcTop);
746 state->m_vsbRfAgcCfg.cutOffCurrent = (ulVSBRfAgcCutOffCurrent);
747 state->m_vsbPreSawCfg.reference = 0x07;
748 state->m_vsbPreSawCfg.usePreSaw = true;
749
750 state->m_Quality83percent = DEFAULT_MER_83;
751 state->m_Quality93percent = DEFAULT_MER_93;
752 if (ulQual93 <= 500 && ulQual83 < ulQual93) {
753 state->m_Quality83percent = ulQual83;
754 state->m_Quality93percent = ulQual93;
755 }
756
757 /* ATV IF */
758 state->m_atvIfAgcCfg.ctrlMode = (ulATVIfAgcMode);
759 state->m_atvIfAgcCfg.outputLevel = (ulATVIfAgcOutputLevel);
760 state->m_atvIfAgcCfg.minOutputLevel = (ulATVIfAgcMinLevel);
761 state->m_atvIfAgcCfg.maxOutputLevel = (ulATVIfAgcMaxLevel);
762 state->m_atvIfAgcCfg.speed = (ulATVIfAgcSpeed);
763
764 /* ATV RF */
765 state->m_atvRfAgcCfg.ctrlMode = (ulATVRfAgcMode);
766 state->m_atvRfAgcCfg.outputLevel = (ulATVRfAgcOutputLevel);
767 state->m_atvRfAgcCfg.minOutputLevel = (ulATVRfAgcMinLevel);
768 state->m_atvRfAgcCfg.maxOutputLevel = (ulATVRfAgcMaxLevel);
769 state->m_atvRfAgcCfg.speed = (ulATVRfAgcSpeed);
770 state->m_atvRfAgcCfg.top = (ulATVRfAgcTop);
771 state->m_atvRfAgcCfg.cutOffCurrent = (ulATVRfAgcCutOffCurrent);
772 state->m_atvPreSawCfg.reference = 0x04;
773 state->m_atvPreSawCfg.usePreSaw = true;
774
775
776 /* DVBT RF */
777 state->m_dvbtRfAgcCfg.ctrlMode = DRXK_AGC_CTRL_OFF;
778 state->m_dvbtRfAgcCfg.outputLevel = 0;
779 state->m_dvbtRfAgcCfg.minOutputLevel = 0;
780 state->m_dvbtRfAgcCfg.maxOutputLevel = 0xFFFF;
781 state->m_dvbtRfAgcCfg.top = 0x2100;
782 state->m_dvbtRfAgcCfg.cutOffCurrent = 4000;
783 state->m_dvbtRfAgcCfg.speed = 1;
784
785
786 /* DVBT IF */
787 state->m_dvbtIfAgcCfg.ctrlMode = DRXK_AGC_CTRL_AUTO;
788 state->m_dvbtIfAgcCfg.outputLevel = 0;
789 state->m_dvbtIfAgcCfg.minOutputLevel = 0;
790 state->m_dvbtIfAgcCfg.maxOutputLevel = 9000;
791 state->m_dvbtIfAgcCfg.top = 13424;
792 state->m_dvbtIfAgcCfg.cutOffCurrent = 0;
793 state->m_dvbtIfAgcCfg.speed = 3;
794 state->m_dvbtIfAgcCfg.FastClipCtrlDelay = 30;
795 state->m_dvbtIfAgcCfg.IngainTgtMax = 30000;
796 /* state->m_dvbtPgaCfg = 140; */
797
798 state->m_dvbtPreSawCfg.reference = 4;
799 state->m_dvbtPreSawCfg.usePreSaw = false;
800
801 /* QAM RF */
802 state->m_qamRfAgcCfg.ctrlMode = DRXK_AGC_CTRL_OFF;
803 state->m_qamRfAgcCfg.outputLevel = 0;
804 state->m_qamRfAgcCfg.minOutputLevel = 6023;
805 state->m_qamRfAgcCfg.maxOutputLevel = 27000;
806 state->m_qamRfAgcCfg.top = 0x2380;
807 state->m_qamRfAgcCfg.cutOffCurrent = 4000;
808 state->m_qamRfAgcCfg.speed = 3;
809
810 /* QAM IF */
811 state->m_qamIfAgcCfg.ctrlMode = DRXK_AGC_CTRL_AUTO;
812 state->m_qamIfAgcCfg.outputLevel = 0;
813 state->m_qamIfAgcCfg.minOutputLevel = 0;
814 state->m_qamIfAgcCfg.maxOutputLevel = 9000;
815 state->m_qamIfAgcCfg.top = 0x0511;
816 state->m_qamIfAgcCfg.cutOffCurrent = 0;
817 state->m_qamIfAgcCfg.speed = 3;
818 state->m_qamIfAgcCfg.IngainTgtMax = 5119;
819 state->m_qamIfAgcCfg.FastClipCtrlDelay = 50;
820
821 state->m_qamPgaCfg = 140;
822 state->m_qamPreSawCfg.reference = 4;
823 state->m_qamPreSawCfg.usePreSaw = false;
824
825 state->m_OperationMode = OM_NONE;
826 state->m_DrxkState = DRXK_UNINITIALIZED;
827
828 /* MPEG output configuration */
829 state->m_enableMPEGOutput = true; /* If TRUE; enable MPEG ouput */
830 state->m_insertRSByte = false; /* If TRUE; insert RS byte */
831 state->m_invertDATA = false; /* If TRUE; invert DATA signals */
832 state->m_invertERR = false; /* If TRUE; invert ERR signal */
833 state->m_invertSTR = false; /* If TRUE; invert STR signals */
834 state->m_invertVAL = false; /* If TRUE; invert VAL signals */
835 state->m_invertCLK = (ulInvertTSClock != 0); /* If TRUE; invert CLK signals */
836
837 /* If TRUE; static MPEG clockrate will be used;
838 otherwise clockrate will adapt to the bitrate of the TS */
839
840 state->m_DVBTBitrate = ulDVBTBitrate;
841 state->m_DVBCBitrate = ulDVBCBitrate;
842
843 state->m_TSDataStrength = (ulTSDataStrength & 0x07);
844
845 /* Maximum bitrate in b/s in case static clockrate is selected */
846 state->m_mpegTsStaticBitrate = 19392658;
847 state->m_disableTEIhandling = false;
848
849 if (ulInsertRSByte)
850 state->m_insertRSByte = true;
851
852 state->m_MpegLockTimeOut = DEFAULT_DRXK_MPEG_LOCK_TIMEOUT;
853 if (ulMpegLockTimeOut < 10000)
854 state->m_MpegLockTimeOut = ulMpegLockTimeOut;
855 state->m_DemodLockTimeOut = DEFAULT_DRXK_DEMOD_LOCK_TIMEOUT;
856 if (ulDemodLockTimeOut < 10000)
857 state->m_DemodLockTimeOut = ulDemodLockTimeOut;
858
859 /* QAM defaults */
860 state->m_Constellation = DRX_CONSTELLATION_AUTO;
861 state->m_qamInterleaveMode = DRXK_QAM_I12_J17;
862 state->m_fecRsPlen = 204 * 8; /* fecRsPlen annex A */
863 state->m_fecRsPrescale = 1;
864
865 state->m_sqiSpeed = DRXK_DVBT_SQI_SPEED_MEDIUM;
866 state->m_agcFastClipCtrlDelay = 0;
867
868 state->m_GPIOCfg = (ulGPIOCfg);
869
870 state->m_bPowerDown = false;
871 state->m_currentPowerMode = DRX_POWER_DOWN;
872
873 state->m_rfmirror = (ulRfMirror == 0);
874 state->m_IfAgcPol = false;
875 return 0;
876}
877
878static int DRXX_Open(struct drxk_state *state)
879{
880 int status = 0;
881 u32 jtag = 0;
882 u16 bid = 0;
883 u16 key = 0;
884
885 dprintk(1, "\n");
886 /* stop lock indicator process */
887 status = write16(state, SCU_RAM_GPIO__A, SCU_RAM_GPIO_HW_LOCK_IND_DISABLE);
888 if (status < 0)
889 goto error;
890 /* Check device id */
891 status = read16(state, SIO_TOP_COMM_KEY__A, &key);
892 if (status < 0)
893 goto error;
894 status = write16(state, SIO_TOP_COMM_KEY__A, SIO_TOP_COMM_KEY_KEY);
895 if (status < 0)
896 goto error;
897 status = read32(state, SIO_TOP_JTAGID_LO__A, &jtag);
898 if (status < 0)
899 goto error;
900 status = read16(state, SIO_PDR_UIO_IN_HI__A, &bid);
901 if (status < 0)
902 goto error;
903 status = write16(state, SIO_TOP_COMM_KEY__A, key);
904error:
905 if (status < 0)
906 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
907 return status;
908}
909
910static int GetDeviceCapabilities(struct drxk_state *state)
911{
912 u16 sioPdrOhwCfg = 0;
913 u32 sioTopJtagidLo = 0;
914 int status;
915 const char *spin = "";
916
917 dprintk(1, "\n");
918
919 /* driver 0.9.0 */
920 /* stop lock indicator process */
921 status = write16(state, SCU_RAM_GPIO__A, SCU_RAM_GPIO_HW_LOCK_IND_DISABLE);
922 if (status < 0)
923 goto error;
924 status = write16(state, SIO_TOP_COMM_KEY__A, 0xFABA);
925 if (status < 0)
926 goto error;
927 status = read16(state, SIO_PDR_OHW_CFG__A, &sioPdrOhwCfg);
928 if (status < 0)
929 goto error;
930 status = write16(state, SIO_TOP_COMM_KEY__A, 0x0000);
931 if (status < 0)
932 goto error;
933
934 switch ((sioPdrOhwCfg & SIO_PDR_OHW_CFG_FREF_SEL__M)) {
935 case 0:
936 /* ignore (bypass ?) */
937 break;
938 case 1:
939 /* 27 MHz */
940 state->m_oscClockFreq = 27000;
941 break;
942 case 2:
943 /* 20.25 MHz */
944 state->m_oscClockFreq = 20250;
945 break;
946 case 3:
947 /* 4 MHz */
948 state->m_oscClockFreq = 20250;
949 break;
950 default:
951 printk(KERN_ERR "drxk: Clock Frequency is unkonwn\n");
952 return -EINVAL;
953 }
954 /*
955 Determine device capabilities
956 Based on pinning v14
957 */
958 status = read32(state, SIO_TOP_JTAGID_LO__A, &sioTopJtagidLo);
959 if (status < 0)
960 goto error;
961
962 printk(KERN_INFO "drxk: status = 0x%08x\n", sioTopJtagidLo);
963
964 /* driver 0.9.0 */
965 switch ((sioTopJtagidLo >> 29) & 0xF) {
966 case 0:
967 state->m_deviceSpin = DRXK_SPIN_A1;
968 spin = "A1";
969 break;
970 case 2:
971 state->m_deviceSpin = DRXK_SPIN_A2;
972 spin = "A2";
973 break;
974 case 3:
975 state->m_deviceSpin = DRXK_SPIN_A3;
976 spin = "A3";
977 break;
978 default:
979 state->m_deviceSpin = DRXK_SPIN_UNKNOWN;
980 status = -EINVAL;
981 printk(KERN_ERR "drxk: Spin %d unknown\n",
982 (sioTopJtagidLo >> 29) & 0xF);
983 goto error2;
984 }
985 switch ((sioTopJtagidLo >> 12) & 0xFF) {
986 case 0x13:
987 /* typeId = DRX3913K_TYPE_ID */
988 state->m_hasLNA = false;
989 state->m_hasOOB = false;
990 state->m_hasATV = false;
991 state->m_hasAudio = false;
992 state->m_hasDVBT = true;
993 state->m_hasDVBC = true;
994 state->m_hasSAWSW = true;
995 state->m_hasGPIO2 = false;
996 state->m_hasGPIO1 = false;
997 state->m_hasIRQN = false;
998 break;
999 case 0x15:
1000 /* typeId = DRX3915K_TYPE_ID */
1001 state->m_hasLNA = false;
1002 state->m_hasOOB = false;
1003 state->m_hasATV = true;
1004 state->m_hasAudio = false;
1005 state->m_hasDVBT = true;
1006 state->m_hasDVBC = false;
1007 state->m_hasSAWSW = true;
1008 state->m_hasGPIO2 = true;
1009 state->m_hasGPIO1 = true;
1010 state->m_hasIRQN = false;
1011 break;
1012 case 0x16:
1013 /* typeId = DRX3916K_TYPE_ID */
1014 state->m_hasLNA = false;
1015 state->m_hasOOB = false;
1016 state->m_hasATV = true;
1017 state->m_hasAudio = false;
1018 state->m_hasDVBT = true;
1019 state->m_hasDVBC = false;
1020 state->m_hasSAWSW = true;
1021 state->m_hasGPIO2 = true;
1022 state->m_hasGPIO1 = true;
1023 state->m_hasIRQN = false;
1024 break;
1025 case 0x18:
1026 /* typeId = DRX3918K_TYPE_ID */
1027 state->m_hasLNA = false;
1028 state->m_hasOOB = false;
1029 state->m_hasATV = true;
1030 state->m_hasAudio = true;
1031 state->m_hasDVBT = true;
1032 state->m_hasDVBC = false;
1033 state->m_hasSAWSW = true;
1034 state->m_hasGPIO2 = true;
1035 state->m_hasGPIO1 = true;
1036 state->m_hasIRQN = false;
1037 break;
1038 case 0x21:
1039 /* typeId = DRX3921K_TYPE_ID */
1040 state->m_hasLNA = false;
1041 state->m_hasOOB = false;
1042 state->m_hasATV = true;
1043 state->m_hasAudio = true;
1044 state->m_hasDVBT = true;
1045 state->m_hasDVBC = true;
1046 state->m_hasSAWSW = true;
1047 state->m_hasGPIO2 = true;
1048 state->m_hasGPIO1 = true;
1049 state->m_hasIRQN = false;
1050 break;
1051 case 0x23:
1052 /* typeId = DRX3923K_TYPE_ID */
1053 state->m_hasLNA = false;
1054 state->m_hasOOB = false;
1055 state->m_hasATV = true;
1056 state->m_hasAudio = true;
1057 state->m_hasDVBT = true;
1058 state->m_hasDVBC = true;
1059 state->m_hasSAWSW = true;
1060 state->m_hasGPIO2 = true;
1061 state->m_hasGPIO1 = true;
1062 state->m_hasIRQN = false;
1063 break;
1064 case 0x25:
1065 /* typeId = DRX3925K_TYPE_ID */
1066 state->m_hasLNA = false;
1067 state->m_hasOOB = false;
1068 state->m_hasATV = true;
1069 state->m_hasAudio = true;
1070 state->m_hasDVBT = true;
1071 state->m_hasDVBC = true;
1072 state->m_hasSAWSW = true;
1073 state->m_hasGPIO2 = true;
1074 state->m_hasGPIO1 = true;
1075 state->m_hasIRQN = false;
1076 break;
1077 case 0x26:
1078 /* typeId = DRX3926K_TYPE_ID */
1079 state->m_hasLNA = false;
1080 state->m_hasOOB = false;
1081 state->m_hasATV = true;
1082 state->m_hasAudio = false;
1083 state->m_hasDVBT = true;
1084 state->m_hasDVBC = true;
1085 state->m_hasSAWSW = true;
1086 state->m_hasGPIO2 = true;
1087 state->m_hasGPIO1 = true;
1088 state->m_hasIRQN = false;
1089 break;
1090 default:
1091 printk(KERN_ERR "drxk: DeviceID 0x%02x not supported\n",
1092 ((sioTopJtagidLo >> 12) & 0xFF));
1093 status = -EINVAL;
1094 goto error2;
1095 }
1096
1097 printk(KERN_INFO
1098 "drxk: detected a drx-39%02xk, spin %s, xtal %d.%03d MHz\n",
1099 ((sioTopJtagidLo >> 12) & 0xFF), spin,
1100 state->m_oscClockFreq / 1000,
1101 state->m_oscClockFreq % 1000);
1102
1103error:
1104 if (status < 0)
1105 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
1106
1107error2:
1108 return status;
1109}
1110
1111static int HI_Command(struct drxk_state *state, u16 cmd, u16 *pResult)
1112{
1113 int status;
1114 bool powerdown_cmd;
1115
1116 dprintk(1, "\n");
1117
1118 /* Write command */
1119 status = write16(state, SIO_HI_RA_RAM_CMD__A, cmd);
1120 if (status < 0)
1121 goto error;
1122 if (cmd == SIO_HI_RA_RAM_CMD_RESET)
1123 msleep(1);
1124
1125 powerdown_cmd =
1126 (bool) ((cmd == SIO_HI_RA_RAM_CMD_CONFIG) &&
1127 ((state->m_HICfgCtrl) &
1128 SIO_HI_RA_RAM_PAR_5_CFG_SLEEP__M) ==
1129 SIO_HI_RA_RAM_PAR_5_CFG_SLEEP_ZZZ);
1130 if (powerdown_cmd == false) {
1131 /* Wait until command rdy */
1132 u32 retryCount = 0;
1133 u16 waitCmd;
1134
1135 do {
1136 msleep(1);
1137 retryCount += 1;
1138 status = read16(state, SIO_HI_RA_RAM_CMD__A,
1139 &waitCmd);
1140 } while ((status < 0) && (retryCount < DRXK_MAX_RETRIES)
1141 && (waitCmd != 0));
1142 if (status < 0)
1143 goto error;
1144 status = read16(state, SIO_HI_RA_RAM_RES__A, pResult);
1145 }
1146error:
1147 if (status < 0)
1148 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
1149
1150 return status;
1151}
1152
1153static int HI_CfgCommand(struct drxk_state *state)
1154{
1155 int status;
1156
1157 dprintk(1, "\n");
1158
1159 mutex_lock(&state->mutex);
1160
1161 status = write16(state, SIO_HI_RA_RAM_PAR_6__A, state->m_HICfgTimeout);
1162 if (status < 0)
1163 goto error;
1164 status = write16(state, SIO_HI_RA_RAM_PAR_5__A, state->m_HICfgCtrl);
1165 if (status < 0)
1166 goto error;
1167 status = write16(state, SIO_HI_RA_RAM_PAR_4__A, state->m_HICfgWakeUpKey);
1168 if (status < 0)
1169 goto error;
1170 status = write16(state, SIO_HI_RA_RAM_PAR_3__A, state->m_HICfgBridgeDelay);
1171 if (status < 0)
1172 goto error;
1173 status = write16(state, SIO_HI_RA_RAM_PAR_2__A, state->m_HICfgTimingDiv);
1174 if (status < 0)
1175 goto error;
1176 status = write16(state, SIO_HI_RA_RAM_PAR_1__A, SIO_HI_RA_RAM_PAR_1_PAR1_SEC_KEY);
1177 if (status < 0)
1178 goto error;
1179 status = HI_Command(state, SIO_HI_RA_RAM_CMD_CONFIG, 0);
1180 if (status < 0)
1181 goto error;
1182
1183 state->m_HICfgCtrl &= ~SIO_HI_RA_RAM_PAR_5_CFG_SLEEP_ZZZ;
1184error:
1185 mutex_unlock(&state->mutex);
1186 if (status < 0)
1187 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
1188 return status;
1189}
1190
1191static int InitHI(struct drxk_state *state)
1192{
1193 dprintk(1, "\n");
1194
1195 state->m_HICfgWakeUpKey = (state->demod_address << 1);
1196 state->m_HICfgTimeout = 0x96FF;
1197 /* port/bridge/power down ctrl */
1198 state->m_HICfgCtrl = SIO_HI_RA_RAM_PAR_5_CFG_SLV0_SLAVE;
1199
1200 return HI_CfgCommand(state);
1201}
1202
1203static int MPEGTSConfigurePins(struct drxk_state *state, bool mpegEnable)
1204{
1205 int status = -1;
1206 u16 sioPdrMclkCfg = 0;
1207 u16 sioPdrMdxCfg = 0;
1208 u16 err_cfg = 0;
1209
1210 dprintk(1, ": mpeg %s, %s mode\n",
1211 mpegEnable ? "enable" : "disable",
1212 state->m_enableParallel ? "parallel" : "serial");
1213
1214 /* stop lock indicator process */
1215 status = write16(state, SCU_RAM_GPIO__A, SCU_RAM_GPIO_HW_LOCK_IND_DISABLE);
1216 if (status < 0)
1217 goto error;
1218
1219 /* MPEG TS pad configuration */
1220 status = write16(state, SIO_TOP_COMM_KEY__A, 0xFABA);
1221 if (status < 0)
1222 goto error;
1223
1224 if (mpegEnable == false) {
1225 /* Set MPEG TS pads to inputmode */
1226 status = write16(state, SIO_PDR_MSTRT_CFG__A, 0x0000);
1227 if (status < 0)
1228 goto error;
1229 status = write16(state, SIO_PDR_MERR_CFG__A, 0x0000);
1230 if (status < 0)
1231 goto error;
1232 status = write16(state, SIO_PDR_MCLK_CFG__A, 0x0000);
1233 if (status < 0)
1234 goto error;
1235 status = write16(state, SIO_PDR_MVAL_CFG__A, 0x0000);
1236 if (status < 0)
1237 goto error;
1238 status = write16(state, SIO_PDR_MD0_CFG__A, 0x0000);
1239 if (status < 0)
1240 goto error;
1241 status = write16(state, SIO_PDR_MD1_CFG__A, 0x0000);
1242 if (status < 0)
1243 goto error;
1244 status = write16(state, SIO_PDR_MD2_CFG__A, 0x0000);
1245 if (status < 0)
1246 goto error;
1247 status = write16(state, SIO_PDR_MD3_CFG__A, 0x0000);
1248 if (status < 0)
1249 goto error;
1250 status = write16(state, SIO_PDR_MD4_CFG__A, 0x0000);
1251 if (status < 0)
1252 goto error;
1253 status = write16(state, SIO_PDR_MD5_CFG__A, 0x0000);
1254 if (status < 0)
1255 goto error;
1256 status = write16(state, SIO_PDR_MD6_CFG__A, 0x0000);
1257 if (status < 0)
1258 goto error;
1259 status = write16(state, SIO_PDR_MD7_CFG__A, 0x0000);
1260 if (status < 0)
1261 goto error;
1262 } else {
1263 /* Enable MPEG output */
1264 sioPdrMdxCfg =
1265 ((state->m_TSDataStrength <<
1266 SIO_PDR_MD0_CFG_DRIVE__B) | 0x0003);
1267 sioPdrMclkCfg = ((state->m_TSClockkStrength <<
1268 SIO_PDR_MCLK_CFG_DRIVE__B) |
1269 0x0003);
1270
1271 status = write16(state, SIO_PDR_MSTRT_CFG__A, sioPdrMdxCfg);
1272 if (status < 0)
1273 goto error;
1274
1275 if (state->enable_merr_cfg)
1276 err_cfg = sioPdrMdxCfg;
1277
1278 status = write16(state, SIO_PDR_MERR_CFG__A, err_cfg);
1279 if (status < 0)
1280 goto error;
1281 status = write16(state, SIO_PDR_MVAL_CFG__A, err_cfg);
1282 if (status < 0)
1283 goto error;
1284
1285 if (state->m_enableParallel == true) {
1286 /* paralel -> enable MD1 to MD7 */
1287 status = write16(state, SIO_PDR_MD1_CFG__A, sioPdrMdxCfg);
1288 if (status < 0)
1289 goto error;
1290 status = write16(state, SIO_PDR_MD2_CFG__A, sioPdrMdxCfg);
1291 if (status < 0)
1292 goto error;
1293 status = write16(state, SIO_PDR_MD3_CFG__A, sioPdrMdxCfg);
1294 if (status < 0)
1295 goto error;
1296 status = write16(state, SIO_PDR_MD4_CFG__A, sioPdrMdxCfg);
1297 if (status < 0)
1298 goto error;
1299 status = write16(state, SIO_PDR_MD5_CFG__A, sioPdrMdxCfg);
1300 if (status < 0)
1301 goto error;
1302 status = write16(state, SIO_PDR_MD6_CFG__A, sioPdrMdxCfg);
1303 if (status < 0)
1304 goto error;
1305 status = write16(state, SIO_PDR_MD7_CFG__A, sioPdrMdxCfg);
1306 if (status < 0)
1307 goto error;
1308 } else {
1309 sioPdrMdxCfg = ((state->m_TSDataStrength <<
1310 SIO_PDR_MD0_CFG_DRIVE__B)
1311 | 0x0003);
1312 /* serial -> disable MD1 to MD7 */
1313 status = write16(state, SIO_PDR_MD1_CFG__A, 0x0000);
1314 if (status < 0)
1315 goto error;
1316 status = write16(state, SIO_PDR_MD2_CFG__A, 0x0000);
1317 if (status < 0)
1318 goto error;
1319 status = write16(state, SIO_PDR_MD3_CFG__A, 0x0000);
1320 if (status < 0)
1321 goto error;
1322 status = write16(state, SIO_PDR_MD4_CFG__A, 0x0000);
1323 if (status < 0)
1324 goto error;
1325 status = write16(state, SIO_PDR_MD5_CFG__A, 0x0000);
1326 if (status < 0)
1327 goto error;
1328 status = write16(state, SIO_PDR_MD6_CFG__A, 0x0000);
1329 if (status < 0)
1330 goto error;
1331 status = write16(state, SIO_PDR_MD7_CFG__A, 0x0000);
1332 if (status < 0)
1333 goto error;
1334 }
1335 status = write16(state, SIO_PDR_MCLK_CFG__A, sioPdrMclkCfg);
1336 if (status < 0)
1337 goto error;
1338 status = write16(state, SIO_PDR_MD0_CFG__A, sioPdrMdxCfg);
1339 if (status < 0)
1340 goto error;
1341 }
1342 /* Enable MB output over MPEG pads and ctl input */
1343 status = write16(state, SIO_PDR_MON_CFG__A, 0x0000);
1344 if (status < 0)
1345 goto error;
1346 /* Write nomagic word to enable pdr reg write */
1347 status = write16(state, SIO_TOP_COMM_KEY__A, 0x0000);
1348error:
1349 if (status < 0)
1350 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
1351 return status;
1352}
1353
1354static int MPEGTSDisable(struct drxk_state *state)
1355{
1356 dprintk(1, "\n");
1357
1358 return MPEGTSConfigurePins(state, false);
1359}
1360
1361static int BLChainCmd(struct drxk_state *state,
1362 u16 romOffset, u16 nrOfElements, u32 timeOut)
1363{
1364 u16 blStatus = 0;
1365 int status;
1366 unsigned long end;
1367
1368 dprintk(1, "\n");
1369 mutex_lock(&state->mutex);
1370 status = write16(state, SIO_BL_MODE__A, SIO_BL_MODE_CHAIN);
1371 if (status < 0)
1372 goto error;
1373 status = write16(state, SIO_BL_CHAIN_ADDR__A, romOffset);
1374 if (status < 0)
1375 goto error;
1376 status = write16(state, SIO_BL_CHAIN_LEN__A, nrOfElements);
1377 if (status < 0)
1378 goto error;
1379 status = write16(state, SIO_BL_ENABLE__A, SIO_BL_ENABLE_ON);
1380 if (status < 0)
1381 goto error;
1382
1383 end = jiffies + msecs_to_jiffies(timeOut);
1384 do {
1385 msleep(1);
1386 status = read16(state, SIO_BL_STATUS__A, &blStatus);
1387 if (status < 0)
1388 goto error;
1389 } while ((blStatus == 0x1) &&
1390 ((time_is_after_jiffies(end))));
1391
1392 if (blStatus == 0x1) {
1393 printk(KERN_ERR "drxk: SIO not ready\n");
1394 status = -EINVAL;
1395 goto error2;
1396 }
1397error:
1398 if (status < 0)
1399 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
1400error2:
1401 mutex_unlock(&state->mutex);
1402 return status;
1403}
1404
1405
1406static int DownloadMicrocode(struct drxk_state *state,
1407 const u8 pMCImage[], u32 Length)
1408{
1409 const u8 *pSrc = pMCImage;
1410 u32 Address;
1411 u16 nBlocks;
1412 u16 BlockSize;
1413 u32 offset = 0;
1414 u32 i;
1415 int status = 0;
1416
1417 dprintk(1, "\n");
1418
1419 /* down the drain (we don't care about MAGIC_WORD) */
1420#if 0
1421 /* For future reference */
1422 Drain = (pSrc[0] << 8) | pSrc[1];
1423#endif
1424 pSrc += sizeof(u16);
1425 offset += sizeof(u16);
1426 nBlocks = (pSrc[0] << 8) | pSrc[1];
1427 pSrc += sizeof(u16);
1428 offset += sizeof(u16);
1429
1430 for (i = 0; i < nBlocks; i += 1) {
1431 Address = (pSrc[0] << 24) | (pSrc[1] << 16) |
1432 (pSrc[2] << 8) | pSrc[3];
1433 pSrc += sizeof(u32);
1434 offset += sizeof(u32);
1435
1436 BlockSize = ((pSrc[0] << 8) | pSrc[1]) * sizeof(u16);
1437 pSrc += sizeof(u16);
1438 offset += sizeof(u16);
1439
1440#if 0
1441 /* For future reference */
1442 Flags = (pSrc[0] << 8) | pSrc[1];
1443#endif
1444 pSrc += sizeof(u16);
1445 offset += sizeof(u16);
1446
1447#if 0
1448 /* For future reference */
1449 BlockCRC = (pSrc[0] << 8) | pSrc[1];
1450#endif
1451 pSrc += sizeof(u16);
1452 offset += sizeof(u16);
1453
1454 if (offset + BlockSize > Length) {
1455 printk(KERN_ERR "drxk: Firmware is corrupted.\n");
1456 return -EINVAL;
1457 }
1458
1459 status = write_block(state, Address, BlockSize, pSrc);
1460 if (status < 0) {
1461 printk(KERN_ERR "drxk: Error %d while loading firmware\n", status);
1462 break;
1463 }
1464 pSrc += BlockSize;
1465 offset += BlockSize;
1466 }
1467 return status;
1468}
1469
1470static int DVBTEnableOFDMTokenRing(struct drxk_state *state, bool enable)
1471{
1472 int status;
1473 u16 data = 0;
1474 u16 desiredCtrl = SIO_OFDM_SH_OFDM_RING_ENABLE_ON;
1475 u16 desiredStatus = SIO_OFDM_SH_OFDM_RING_STATUS_ENABLED;
1476 unsigned long end;
1477
1478 dprintk(1, "\n");
1479
1480 if (enable == false) {
1481 desiredCtrl = SIO_OFDM_SH_OFDM_RING_ENABLE_OFF;
1482 desiredStatus = SIO_OFDM_SH_OFDM_RING_STATUS_DOWN;
1483 }
1484
1485 status = read16(state, SIO_OFDM_SH_OFDM_RING_STATUS__A, &data);
1486 if (status >= 0 && data == desiredStatus) {
1487 /* tokenring already has correct status */
1488 return status;
1489 }
1490 /* Disable/enable dvbt tokenring bridge */
1491 status = write16(state, SIO_OFDM_SH_OFDM_RING_ENABLE__A, desiredCtrl);
1492
1493 end = jiffies + msecs_to_jiffies(DRXK_OFDM_TR_SHUTDOWN_TIMEOUT);
1494 do {
1495 status = read16(state, SIO_OFDM_SH_OFDM_RING_STATUS__A, &data);
1496 if ((status >= 0 && data == desiredStatus) || time_is_after_jiffies(end))
1497 break;
1498 msleep(1);
1499 } while (1);
1500 if (data != desiredStatus) {
1501 printk(KERN_ERR "drxk: SIO not ready\n");
1502 return -EINVAL;
1503 }
1504 return status;
1505}
1506
1507static int MPEGTSStop(struct drxk_state *state)
1508{
1509 int status = 0;
1510 u16 fecOcSncMode = 0;
1511 u16 fecOcIprMode = 0;
1512
1513 dprintk(1, "\n");
1514
1515 /* Gracefull shutdown (byte boundaries) */
1516 status = read16(state, FEC_OC_SNC_MODE__A, &fecOcSncMode);
1517 if (status < 0)
1518 goto error;
1519 fecOcSncMode |= FEC_OC_SNC_MODE_SHUTDOWN__M;
1520 status = write16(state, FEC_OC_SNC_MODE__A, fecOcSncMode);
1521 if (status < 0)
1522 goto error;
1523
1524 /* Suppress MCLK during absence of data */
1525 status = read16(state, FEC_OC_IPR_MODE__A, &fecOcIprMode);
1526 if (status < 0)
1527 goto error;
1528 fecOcIprMode |= FEC_OC_IPR_MODE_MCLK_DIS_DAT_ABS__M;
1529 status = write16(state, FEC_OC_IPR_MODE__A, fecOcIprMode);
1530
1531error:
1532 if (status < 0)
1533 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
1534
1535 return status;
1536}
1537
1538static int scu_command(struct drxk_state *state,
1539 u16 cmd, u8 parameterLen,
1540 u16 *parameter, u8 resultLen, u16 *result)
1541{
1542#if (SCU_RAM_PARAM_0__A - SCU_RAM_PARAM_15__A) != 15
1543#error DRXK register mapping no longer compatible with this routine!
1544#endif
1545 u16 curCmd = 0;
1546 int status = -EINVAL;
1547 unsigned long end;
1548 u8 buffer[34];
1549 int cnt = 0, ii;
1550 const char *p;
1551 char errname[30];
1552
1553 dprintk(1, "\n");
1554
1555 if ((cmd == 0) || ((parameterLen > 0) && (parameter == NULL)) ||
1556 ((resultLen > 0) && (result == NULL))) {
1557 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
1558 return status;
1559 }
1560
1561 mutex_lock(&state->mutex);
1562
1563 /* assume that the command register is ready
1564 since it is checked afterwards */
1565 for (ii = parameterLen - 1; ii >= 0; ii -= 1) {
1566 buffer[cnt++] = (parameter[ii] & 0xFF);
1567 buffer[cnt++] = ((parameter[ii] >> 8) & 0xFF);
1568 }
1569 buffer[cnt++] = (cmd & 0xFF);
1570 buffer[cnt++] = ((cmd >> 8) & 0xFF);
1571
1572 write_block(state, SCU_RAM_PARAM_0__A -
1573 (parameterLen - 1), cnt, buffer);
1574 /* Wait until SCU has processed command */
1575 end = jiffies + msecs_to_jiffies(DRXK_MAX_WAITTIME);
1576 do {
1577 msleep(1);
1578 status = read16(state, SCU_RAM_COMMAND__A, &curCmd);
1579 if (status < 0)
1580 goto error;
1581 } while (!(curCmd == DRX_SCU_READY) && (time_is_after_jiffies(end)));
1582 if (curCmd != DRX_SCU_READY) {
1583 printk(KERN_ERR "drxk: SCU not ready\n");
1584 status = -EIO;
1585 goto error2;
1586 }
1587 /* read results */
1588 if ((resultLen > 0) && (result != NULL)) {
1589 s16 err;
1590 int ii;
1591
1592 for (ii = resultLen - 1; ii >= 0; ii -= 1) {
1593 status = read16(state, SCU_RAM_PARAM_0__A - ii, &result[ii]);
1594 if (status < 0)
1595 goto error;
1596 }
1597
1598 /* Check if an error was reported by SCU */
1599 err = (s16)result[0];
1600 if (err >= 0)
1601 goto error;
1602
1603 /* check for the known error codes */
1604 switch (err) {
1605 case SCU_RESULT_UNKCMD:
1606 p = "SCU_RESULT_UNKCMD";
1607 break;
1608 case SCU_RESULT_UNKSTD:
1609 p = "SCU_RESULT_UNKSTD";
1610 break;
1611 case SCU_RESULT_SIZE:
1612 p = "SCU_RESULT_SIZE";
1613 break;
1614 case SCU_RESULT_INVPAR:
1615 p = "SCU_RESULT_INVPAR";
1616 break;
1617 default: /* Other negative values are errors */
1618 sprintf(errname, "ERROR: %d\n", err);
1619 p = errname;
1620 }
1621 printk(KERN_ERR "drxk: %s while sending cmd 0x%04x with params:", p, cmd);
1622 print_hex_dump_bytes("drxk: ", DUMP_PREFIX_NONE, buffer, cnt);
1623 status = -EINVAL;
1624 goto error2;
1625 }
1626
1627error:
1628 if (status < 0)
1629 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
1630error2:
1631 mutex_unlock(&state->mutex);
1632 return status;
1633}
1634
1635static int SetIqmAf(struct drxk_state *state, bool active)
1636{
1637 u16 data = 0;
1638 int status;
1639
1640 dprintk(1, "\n");
1641
1642 /* Configure IQM */
1643 status = read16(state, IQM_AF_STDBY__A, &data);
1644 if (status < 0)
1645 goto error;
1646
1647 if (!active) {
1648 data |= (IQM_AF_STDBY_STDBY_ADC_STANDBY
1649 | IQM_AF_STDBY_STDBY_AMP_STANDBY
1650 | IQM_AF_STDBY_STDBY_PD_STANDBY
1651 | IQM_AF_STDBY_STDBY_TAGC_IF_STANDBY
1652 | IQM_AF_STDBY_STDBY_TAGC_RF_STANDBY);
1653 } else {
1654 data &= ((~IQM_AF_STDBY_STDBY_ADC_STANDBY)
1655 & (~IQM_AF_STDBY_STDBY_AMP_STANDBY)
1656 & (~IQM_AF_STDBY_STDBY_PD_STANDBY)
1657 & (~IQM_AF_STDBY_STDBY_TAGC_IF_STANDBY)
1658 & (~IQM_AF_STDBY_STDBY_TAGC_RF_STANDBY)
1659 );
1660 }
1661 status = write16(state, IQM_AF_STDBY__A, data);
1662
1663error:
1664 if (status < 0)
1665 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
1666 return status;
1667}
1668
1669static int CtrlPowerMode(struct drxk_state *state, enum DRXPowerMode *mode)
1670{
1671 int status = 0;
1672 u16 sioCcPwdMode = 0;
1673
1674 dprintk(1, "\n");
1675
1676 /* Check arguments */
1677 if (mode == NULL)
1678 return -EINVAL;
1679
1680 switch (*mode) {
1681 case DRX_POWER_UP:
1682 sioCcPwdMode = SIO_CC_PWD_MODE_LEVEL_NONE;
1683 break;
1684 case DRXK_POWER_DOWN_OFDM:
1685 sioCcPwdMode = SIO_CC_PWD_MODE_LEVEL_OFDM;
1686 break;
1687 case DRXK_POWER_DOWN_CORE:
1688 sioCcPwdMode = SIO_CC_PWD_MODE_LEVEL_CLOCK;
1689 break;
1690 case DRXK_POWER_DOWN_PLL:
1691 sioCcPwdMode = SIO_CC_PWD_MODE_LEVEL_PLL;
1692 break;
1693 case DRX_POWER_DOWN:
1694 sioCcPwdMode = SIO_CC_PWD_MODE_LEVEL_OSC;
1695 break;
1696 default:
1697 /* Unknow sleep mode */
1698 return -EINVAL;
1699 }
1700
1701 /* If already in requested power mode, do nothing */
1702 if (state->m_currentPowerMode == *mode)
1703 return 0;
1704
1705 /* For next steps make sure to start from DRX_POWER_UP mode */
1706 if (state->m_currentPowerMode != DRX_POWER_UP) {
1707 status = PowerUpDevice(state);
1708 if (status < 0)
1709 goto error;
1710 status = DVBTEnableOFDMTokenRing(state, true);
1711 if (status < 0)
1712 goto error;
1713 }
1714
1715 if (*mode == DRX_POWER_UP) {
1716 /* Restore analog & pin configuartion */
1717 } else {
1718 /* Power down to requested mode */
1719 /* Backup some register settings */
1720 /* Set pins with possible pull-ups connected
1721 to them in input mode */
1722 /* Analog power down */
1723 /* ADC power down */
1724 /* Power down device */
1725 /* stop all comm_exec */
1726 /* Stop and power down previous standard */
1727 switch (state->m_OperationMode) {
1728 case OM_DVBT:
1729 status = MPEGTSStop(state);
1730 if (status < 0)
1731 goto error;
1732 status = PowerDownDVBT(state, false);
1733 if (status < 0)
1734 goto error;
1735 break;
1736 case OM_QAM_ITU_A:
1737 case OM_QAM_ITU_C:
1738 status = MPEGTSStop(state);
1739 if (status < 0)
1740 goto error;
1741 status = PowerDownQAM(state);
1742 if (status < 0)
1743 goto error;
1744 break;
1745 default:
1746 break;
1747 }
1748 status = DVBTEnableOFDMTokenRing(state, false);
1749 if (status < 0)
1750 goto error;
1751 status = write16(state, SIO_CC_PWD_MODE__A, sioCcPwdMode);
1752 if (status < 0)
1753 goto error;
1754 status = write16(state, SIO_CC_UPDATE__A, SIO_CC_UPDATE_KEY);
1755 if (status < 0)
1756 goto error;
1757
1758 if (*mode != DRXK_POWER_DOWN_OFDM) {
1759 state->m_HICfgCtrl |=
1760 SIO_HI_RA_RAM_PAR_5_CFG_SLEEP_ZZZ;
1761 status = HI_CfgCommand(state);
1762 if (status < 0)
1763 goto error;
1764 }
1765 }
1766 state->m_currentPowerMode = *mode;
1767
1768error:
1769 if (status < 0)
1770 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
1771
1772 return status;
1773}
1774
1775static int PowerDownDVBT(struct drxk_state *state, bool setPowerMode)
1776{
1777 enum DRXPowerMode powerMode = DRXK_POWER_DOWN_OFDM;
1778 u16 cmdResult = 0;
1779 u16 data = 0;
1780 int status;
1781
1782 dprintk(1, "\n");
1783
1784 status = read16(state, SCU_COMM_EXEC__A, &data);
1785 if (status < 0)
1786 goto error;
1787 if (data == SCU_COMM_EXEC_ACTIVE) {
1788 /* Send OFDM stop command */
1789 status = scu_command(state, SCU_RAM_COMMAND_STANDARD_OFDM | SCU_RAM_COMMAND_CMD_DEMOD_STOP, 0, NULL, 1, &cmdResult);
1790 if (status < 0)
1791 goto error;
1792 /* Send OFDM reset command */
1793 status = scu_command(state, SCU_RAM_COMMAND_STANDARD_OFDM | SCU_RAM_COMMAND_CMD_DEMOD_RESET, 0, NULL, 1, &cmdResult);
1794 if (status < 0)
1795 goto error;
1796 }
1797
1798 /* Reset datapath for OFDM, processors first */
1799 status = write16(state, OFDM_SC_COMM_EXEC__A, OFDM_SC_COMM_EXEC_STOP);
1800 if (status < 0)
1801 goto error;
1802 status = write16(state, OFDM_LC_COMM_EXEC__A, OFDM_LC_COMM_EXEC_STOP);
1803 if (status < 0)
1804 goto error;
1805 status = write16(state, IQM_COMM_EXEC__A, IQM_COMM_EXEC_B_STOP);
1806 if (status < 0)
1807 goto error;
1808
1809 /* powerdown AFE */
1810 status = SetIqmAf(state, false);
1811 if (status < 0)
1812 goto error;
1813
1814 /* powerdown to OFDM mode */
1815 if (setPowerMode) {
1816 status = CtrlPowerMode(state, &powerMode);
1817 if (status < 0)
1818 goto error;
1819 }
1820error:
1821 if (status < 0)
1822 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
1823 return status;
1824}
1825
1826static int SetOperationMode(struct drxk_state *state,
1827 enum OperationMode oMode)
1828{
1829 int status = 0;
1830
1831 dprintk(1, "\n");
1832 /*
1833 Stop and power down previous standard
1834 TODO investigate total power down instead of partial
1835 power down depending on "previous" standard.
1836 */
1837
1838 /* disable HW lock indicator */
1839 status = write16(state, SCU_RAM_GPIO__A, SCU_RAM_GPIO_HW_LOCK_IND_DISABLE);
1840 if (status < 0)
1841 goto error;
1842
1843 /* Device is already at the required mode */
1844 if (state->m_OperationMode == oMode)
1845 return 0;
1846
1847 switch (state->m_OperationMode) {
1848 /* OM_NONE was added for start up */
1849 case OM_NONE:
1850 break;
1851 case OM_DVBT:
1852 status = MPEGTSStop(state);
1853 if (status < 0)
1854 goto error;
1855 status = PowerDownDVBT(state, true);
1856 if (status < 0)
1857 goto error;
1858 state->m_OperationMode = OM_NONE;
1859 break;
1860 case OM_QAM_ITU_A: /* fallthrough */
1861 case OM_QAM_ITU_C:
1862 status = MPEGTSStop(state);
1863 if (status < 0)
1864 goto error;
1865 status = PowerDownQAM(state);
1866 if (status < 0)
1867 goto error;
1868 state->m_OperationMode = OM_NONE;
1869 break;
1870 case OM_QAM_ITU_B:
1871 default:
1872 status = -EINVAL;
1873 goto error;
1874 }
1875
1876 /*
1877 Power up new standard
1878 */
1879 switch (oMode) {
1880 case OM_DVBT:
1881 dprintk(1, ": DVB-T\n");
1882 state->m_OperationMode = oMode;
1883 status = SetDVBTStandard(state, oMode);
1884 if (status < 0)
1885 goto error;
1886 break;
1887 case OM_QAM_ITU_A: /* fallthrough */
1888 case OM_QAM_ITU_C:
1889 dprintk(1, ": DVB-C Annex %c\n",
1890 (state->m_OperationMode == OM_QAM_ITU_A) ? 'A' : 'C');
1891 state->m_OperationMode = oMode;
1892 status = SetQAMStandard(state, oMode);
1893 if (status < 0)
1894 goto error;
1895 break;
1896 case OM_QAM_ITU_B:
1897 default:
1898 status = -EINVAL;
1899 }
1900error:
1901 if (status < 0)
1902 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
1903 return status;
1904}
1905
1906static int Start(struct drxk_state *state, s32 offsetFreq,
1907 s32 IntermediateFrequency)
1908{
1909 int status = -EINVAL;
1910
1911 u16 IFreqkHz;
1912 s32 OffsetkHz = offsetFreq / 1000;
1913
1914 dprintk(1, "\n");
1915 if (state->m_DrxkState != DRXK_STOPPED &&
1916 state->m_DrxkState != DRXK_DTV_STARTED)
1917 goto error;
1918
1919 state->m_bMirrorFreqSpect = (state->props.inversion == INVERSION_ON);
1920
1921 if (IntermediateFrequency < 0) {
1922 state->m_bMirrorFreqSpect = !state->m_bMirrorFreqSpect;
1923 IntermediateFrequency = -IntermediateFrequency;
1924 }
1925
1926 switch (state->m_OperationMode) {
1927 case OM_QAM_ITU_A:
1928 case OM_QAM_ITU_C:
1929 IFreqkHz = (IntermediateFrequency / 1000);
1930 status = SetQAM(state, IFreqkHz, OffsetkHz);
1931 if (status < 0)
1932 goto error;
1933 state->m_DrxkState = DRXK_DTV_STARTED;
1934 break;
1935 case OM_DVBT:
1936 IFreqkHz = (IntermediateFrequency / 1000);
1937 status = MPEGTSStop(state);
1938 if (status < 0)
1939 goto error;
1940 status = SetDVBT(state, IFreqkHz, OffsetkHz);
1941 if (status < 0)
1942 goto error;
1943 status = DVBTStart(state);
1944 if (status < 0)
1945 goto error;
1946 state->m_DrxkState = DRXK_DTV_STARTED;
1947 break;
1948 default:
1949 break;
1950 }
1951error:
1952 if (status < 0)
1953 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
1954 return status;
1955}
1956
1957static int ShutDown(struct drxk_state *state)
1958{
1959 dprintk(1, "\n");
1960
1961 MPEGTSStop(state);
1962 return 0;
1963}
1964
1965static int GetLockStatus(struct drxk_state *state, u32 *pLockStatus,
1966 u32 Time)
1967{
1968 int status = -EINVAL;
1969
1970 dprintk(1, "\n");
1971
1972 if (pLockStatus == NULL)
1973 goto error;
1974
1975 *pLockStatus = NOT_LOCKED;
1976
1977 /* define the SCU command code */
1978 switch (state->m_OperationMode) {
1979 case OM_QAM_ITU_A:
1980 case OM_QAM_ITU_B:
1981 case OM_QAM_ITU_C:
1982 status = GetQAMLockStatus(state, pLockStatus);
1983 break;
1984 case OM_DVBT:
1985 status = GetDVBTLockStatus(state, pLockStatus);
1986 break;
1987 default:
1988 break;
1989 }
1990error:
1991 if (status < 0)
1992 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
1993 return status;
1994}
1995
1996static int MPEGTSStart(struct drxk_state *state)
1997{
1998 int status;
1999
2000 u16 fecOcSncMode = 0;
2001
2002 /* Allow OC to sync again */
2003 status = read16(state, FEC_OC_SNC_MODE__A, &fecOcSncMode);
2004 if (status < 0)
2005 goto error;
2006 fecOcSncMode &= ~FEC_OC_SNC_MODE_SHUTDOWN__M;
2007 status = write16(state, FEC_OC_SNC_MODE__A, fecOcSncMode);
2008 if (status < 0)
2009 goto error;
2010 status = write16(state, FEC_OC_SNC_UNLOCK__A, 1);
2011error:
2012 if (status < 0)
2013 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
2014 return status;
2015}
2016
2017static int MPEGTSDtoInit(struct drxk_state *state)
2018{
2019 int status;
2020
2021 dprintk(1, "\n");
2022
2023 /* Rate integration settings */
2024 status = write16(state, FEC_OC_RCN_CTL_STEP_LO__A, 0x0000);
2025 if (status < 0)
2026 goto error;
2027 status = write16(state, FEC_OC_RCN_CTL_STEP_HI__A, 0x000C);
2028 if (status < 0)
2029 goto error;
2030 status = write16(state, FEC_OC_RCN_GAIN__A, 0x000A);
2031 if (status < 0)
2032 goto error;
2033 status = write16(state, FEC_OC_AVR_PARM_A__A, 0x0008);
2034 if (status < 0)
2035 goto error;
2036 status = write16(state, FEC_OC_AVR_PARM_B__A, 0x0006);
2037 if (status < 0)
2038 goto error;
2039 status = write16(state, FEC_OC_TMD_HI_MARGIN__A, 0x0680);
2040 if (status < 0)
2041 goto error;
2042 status = write16(state, FEC_OC_TMD_LO_MARGIN__A, 0x0080);
2043 if (status < 0)
2044 goto error;
2045 status = write16(state, FEC_OC_TMD_COUNT__A, 0x03F4);
2046 if (status < 0)
2047 goto error;
2048
2049 /* Additional configuration */
2050 status = write16(state, FEC_OC_OCR_INVERT__A, 0);
2051 if (status < 0)
2052 goto error;
2053 status = write16(state, FEC_OC_SNC_LWM__A, 2);
2054 if (status < 0)
2055 goto error;
2056 status = write16(state, FEC_OC_SNC_HWM__A, 12);
2057error:
2058 if (status < 0)
2059 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
2060
2061 return status;
2062}
2063
2064static int MPEGTSDtoSetup(struct drxk_state *state,
2065 enum OperationMode oMode)
2066{
2067 int status;
2068
2069 u16 fecOcRegMode = 0; /* FEC_OC_MODE register value */
2070 u16 fecOcRegIprMode = 0; /* FEC_OC_IPR_MODE register value */
2071 u16 fecOcDtoMode = 0; /* FEC_OC_IPR_INVERT register value */
2072 u16 fecOcFctMode = 0; /* FEC_OC_IPR_INVERT register value */
2073 u16 fecOcDtoPeriod = 2; /* FEC_OC_IPR_INVERT register value */
2074 u16 fecOcDtoBurstLen = 188; /* FEC_OC_IPR_INVERT register value */
2075 u32 fecOcRcnCtlRate = 0; /* FEC_OC_IPR_INVERT register value */
2076 u16 fecOcTmdMode = 0;
2077 u16 fecOcTmdIntUpdRate = 0;
2078 u32 maxBitRate = 0;
2079 bool staticCLK = false;
2080
2081 dprintk(1, "\n");
2082
2083 /* Check insertion of the Reed-Solomon parity bytes */
2084 status = read16(state, FEC_OC_MODE__A, &fecOcRegMode);
2085 if (status < 0)
2086 goto error;
2087 status = read16(state, FEC_OC_IPR_MODE__A, &fecOcRegIprMode);
2088 if (status < 0)
2089 goto error;
2090 fecOcRegMode &= (~FEC_OC_MODE_PARITY__M);
2091 fecOcRegIprMode &= (~FEC_OC_IPR_MODE_MVAL_DIS_PAR__M);
2092 if (state->m_insertRSByte == true) {
2093 /* enable parity symbol forward */
2094 fecOcRegMode |= FEC_OC_MODE_PARITY__M;
2095 /* MVAL disable during parity bytes */
2096 fecOcRegIprMode |= FEC_OC_IPR_MODE_MVAL_DIS_PAR__M;
2097 /* TS burst length to 204 */
2098 fecOcDtoBurstLen = 204;
2099 }
2100
2101 /* Check serial or parrallel output */
2102 fecOcRegIprMode &= (~(FEC_OC_IPR_MODE_SERIAL__M));
2103 if (state->m_enableParallel == false) {
2104 /* MPEG data output is serial -> set ipr_mode[0] */
2105 fecOcRegIprMode |= FEC_OC_IPR_MODE_SERIAL__M;
2106 }
2107
2108 switch (oMode) {
2109 case OM_DVBT:
2110 maxBitRate = state->m_DVBTBitrate;
2111 fecOcTmdMode = 3;
2112 fecOcRcnCtlRate = 0xC00000;
2113 staticCLK = state->m_DVBTStaticCLK;
2114 break;
2115 case OM_QAM_ITU_A: /* fallthrough */
2116 case OM_QAM_ITU_C:
2117 fecOcTmdMode = 0x0004;
2118 fecOcRcnCtlRate = 0xD2B4EE; /* good for >63 Mb/s */
2119 maxBitRate = state->m_DVBCBitrate;
2120 staticCLK = state->m_DVBCStaticCLK;
2121 break;
2122 default:
2123 status = -EINVAL;
2124 } /* switch (standard) */
2125 if (status < 0)
2126 goto error;
2127
2128 /* Configure DTO's */
2129 if (staticCLK) {
2130 u32 bitRate = 0;
2131
2132 /* Rational DTO for MCLK source (static MCLK rate),
2133 Dynamic DTO for optimal grouping
2134 (avoid intra-packet gaps),
2135 DTO offset enable to sync TS burst with MSTRT */
2136 fecOcDtoMode = (FEC_OC_DTO_MODE_DYNAMIC__M |
2137 FEC_OC_DTO_MODE_OFFSET_ENABLE__M);
2138 fecOcFctMode = (FEC_OC_FCT_MODE_RAT_ENA__M |
2139 FEC_OC_FCT_MODE_VIRT_ENA__M);
2140
2141 /* Check user defined bitrate */
2142 bitRate = maxBitRate;
2143 if (bitRate > 75900000UL) { /* max is 75.9 Mb/s */
2144 bitRate = 75900000UL;
2145 }
2146 /* Rational DTO period:
2147 dto_period = (Fsys / bitrate) - 2
2148
2149 Result should be floored,
2150 to make sure >= requested bitrate
2151 */
2152 fecOcDtoPeriod = (u16) (((state->m_sysClockFreq)
2153 * 1000) / bitRate);
2154 if (fecOcDtoPeriod <= 2)
2155 fecOcDtoPeriod = 0;
2156 else
2157 fecOcDtoPeriod -= 2;
2158 fecOcTmdIntUpdRate = 8;
2159 } else {
2160 /* (commonAttr->staticCLK == false) => dynamic mode */
2161 fecOcDtoMode = FEC_OC_DTO_MODE_DYNAMIC__M;
2162 fecOcFctMode = FEC_OC_FCT_MODE__PRE;
2163 fecOcTmdIntUpdRate = 5;
2164 }
2165
2166 /* Write appropriate registers with requested configuration */
2167 status = write16(state, FEC_OC_DTO_BURST_LEN__A, fecOcDtoBurstLen);
2168 if (status < 0)
2169 goto error;
2170 status = write16(state, FEC_OC_DTO_PERIOD__A, fecOcDtoPeriod);
2171 if (status < 0)
2172 goto error;
2173 status = write16(state, FEC_OC_DTO_MODE__A, fecOcDtoMode);
2174 if (status < 0)
2175 goto error;
2176 status = write16(state, FEC_OC_FCT_MODE__A, fecOcFctMode);
2177 if (status < 0)
2178 goto error;
2179 status = write16(state, FEC_OC_MODE__A, fecOcRegMode);
2180 if (status < 0)
2181 goto error;
2182 status = write16(state, FEC_OC_IPR_MODE__A, fecOcRegIprMode);
2183 if (status < 0)
2184 goto error;
2185
2186 /* Rate integration settings */
2187 status = write32(state, FEC_OC_RCN_CTL_RATE_LO__A, fecOcRcnCtlRate);
2188 if (status < 0)
2189 goto error;
2190 status = write16(state, FEC_OC_TMD_INT_UPD_RATE__A, fecOcTmdIntUpdRate);
2191 if (status < 0)
2192 goto error;
2193 status = write16(state, FEC_OC_TMD_MODE__A, fecOcTmdMode);
2194error:
2195 if (status < 0)
2196 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
2197 return status;
2198}
2199
2200static int MPEGTSConfigurePolarity(struct drxk_state *state)
2201{
2202 u16 fecOcRegIprInvert = 0;
2203
2204 /* Data mask for the output data byte */
2205 u16 InvertDataMask =
2206 FEC_OC_IPR_INVERT_MD7__M | FEC_OC_IPR_INVERT_MD6__M |
2207 FEC_OC_IPR_INVERT_MD5__M | FEC_OC_IPR_INVERT_MD4__M |
2208 FEC_OC_IPR_INVERT_MD3__M | FEC_OC_IPR_INVERT_MD2__M |
2209 FEC_OC_IPR_INVERT_MD1__M | FEC_OC_IPR_INVERT_MD0__M;
2210
2211 dprintk(1, "\n");
2212
2213 /* Control selective inversion of output bits */
2214 fecOcRegIprInvert &= (~(InvertDataMask));
2215 if (state->m_invertDATA == true)
2216 fecOcRegIprInvert |= InvertDataMask;
2217 fecOcRegIprInvert &= (~(FEC_OC_IPR_INVERT_MERR__M));
2218 if (state->m_invertERR == true)
2219 fecOcRegIprInvert |= FEC_OC_IPR_INVERT_MERR__M;
2220 fecOcRegIprInvert &= (~(FEC_OC_IPR_INVERT_MSTRT__M));
2221 if (state->m_invertSTR == true)
2222 fecOcRegIprInvert |= FEC_OC_IPR_INVERT_MSTRT__M;
2223 fecOcRegIprInvert &= (~(FEC_OC_IPR_INVERT_MVAL__M));
2224 if (state->m_invertVAL == true)
2225 fecOcRegIprInvert |= FEC_OC_IPR_INVERT_MVAL__M;
2226 fecOcRegIprInvert &= (~(FEC_OC_IPR_INVERT_MCLK__M));
2227 if (state->m_invertCLK == true)
2228 fecOcRegIprInvert |= FEC_OC_IPR_INVERT_MCLK__M;
2229
2230 return write16(state, FEC_OC_IPR_INVERT__A, fecOcRegIprInvert);
2231}
2232
2233#define SCU_RAM_AGC_KI_INV_RF_POL__M 0x4000
2234
2235static int SetAgcRf(struct drxk_state *state,
2236 struct SCfgAgc *pAgcCfg, bool isDTV)
2237{
2238 int status = -EINVAL;
2239 u16 data = 0;
2240 struct SCfgAgc *pIfAgcSettings;
2241
2242 dprintk(1, "\n");
2243
2244 if (pAgcCfg == NULL)
2245 goto error;
2246
2247 switch (pAgcCfg->ctrlMode) {
2248 case DRXK_AGC_CTRL_AUTO:
2249 /* Enable RF AGC DAC */
2250 status = read16(state, IQM_AF_STDBY__A, &data);
2251 if (status < 0)
2252 goto error;
2253 data &= ~IQM_AF_STDBY_STDBY_TAGC_RF_STANDBY;
2254 status = write16(state, IQM_AF_STDBY__A, data);
2255 if (status < 0)
2256 goto error;
2257 status = read16(state, SCU_RAM_AGC_CONFIG__A, &data);
2258 if (status < 0)
2259 goto error;
2260
2261 /* Enable SCU RF AGC loop */
2262 data &= ~SCU_RAM_AGC_CONFIG_DISABLE_RF_AGC__M;
2263
2264 /* Polarity */
2265 if (state->m_RfAgcPol)
2266 data |= SCU_RAM_AGC_CONFIG_INV_RF_POL__M;
2267 else
2268 data &= ~SCU_RAM_AGC_CONFIG_INV_RF_POL__M;
2269 status = write16(state, SCU_RAM_AGC_CONFIG__A, data);
2270 if (status < 0)
2271 goto error;
2272
2273 /* Set speed (using complementary reduction value) */
2274 status = read16(state, SCU_RAM_AGC_KI_RED__A, &data);
2275 if (status < 0)
2276 goto error;
2277
2278 data &= ~SCU_RAM_AGC_KI_RED_RAGC_RED__M;
2279 data |= (~(pAgcCfg->speed <<
2280 SCU_RAM_AGC_KI_RED_RAGC_RED__B)
2281 & SCU_RAM_AGC_KI_RED_RAGC_RED__M);
2282
2283 status = write16(state, SCU_RAM_AGC_KI_RED__A, data);
2284 if (status < 0)
2285 goto error;
2286
2287 if (IsDVBT(state))
2288 pIfAgcSettings = &state->m_dvbtIfAgcCfg;
2289 else if (IsQAM(state))
2290 pIfAgcSettings = &state->m_qamIfAgcCfg;
2291 else
2292 pIfAgcSettings = &state->m_atvIfAgcCfg;
2293 if (pIfAgcSettings == NULL) {
2294 status = -EINVAL;
2295 goto error;
2296 }
2297
2298 /* Set TOP, only if IF-AGC is in AUTO mode */
2299 if (pIfAgcSettings->ctrlMode == DRXK_AGC_CTRL_AUTO)
2300 status = write16(state, SCU_RAM_AGC_IF_IACCU_HI_TGT_MAX__A, pAgcCfg->top);
2301 if (status < 0)
2302 goto error;
2303
2304 /* Cut-Off current */
2305 status = write16(state, SCU_RAM_AGC_RF_IACCU_HI_CO__A, pAgcCfg->cutOffCurrent);
2306 if (status < 0)
2307 goto error;
2308
2309 /* Max. output level */
2310 status = write16(state, SCU_RAM_AGC_RF_MAX__A, pAgcCfg->maxOutputLevel);
2311 if (status < 0)
2312 goto error;
2313
2314 break;
2315
2316 case DRXK_AGC_CTRL_USER:
2317 /* Enable RF AGC DAC */
2318 status = read16(state, IQM_AF_STDBY__A, &data);
2319 if (status < 0)
2320 goto error;
2321 data &= ~IQM_AF_STDBY_STDBY_TAGC_RF_STANDBY;
2322 status = write16(state, IQM_AF_STDBY__A, data);
2323 if (status < 0)
2324 goto error;
2325
2326 /* Disable SCU RF AGC loop */
2327 status = read16(state, SCU_RAM_AGC_CONFIG__A, &data);
2328 if (status < 0)
2329 goto error;
2330 data |= SCU_RAM_AGC_CONFIG_DISABLE_RF_AGC__M;
2331 if (state->m_RfAgcPol)
2332 data |= SCU_RAM_AGC_CONFIG_INV_RF_POL__M;
2333 else
2334 data &= ~SCU_RAM_AGC_CONFIG_INV_RF_POL__M;
2335 status = write16(state, SCU_RAM_AGC_CONFIG__A, data);
2336 if (status < 0)
2337 goto error;
2338
2339 /* SCU c.o.c. to 0, enabling full control range */
2340 status = write16(state, SCU_RAM_AGC_RF_IACCU_HI_CO__A, 0);
2341 if (status < 0)
2342 goto error;
2343
2344 /* Write value to output pin */
2345 status = write16(state, SCU_RAM_AGC_RF_IACCU_HI__A, pAgcCfg->outputLevel);
2346 if (status < 0)
2347 goto error;
2348 break;
2349
2350 case DRXK_AGC_CTRL_OFF:
2351 /* Disable RF AGC DAC */
2352 status = read16(state, IQM_AF_STDBY__A, &data);
2353 if (status < 0)
2354 goto error;
2355 data |= IQM_AF_STDBY_STDBY_TAGC_RF_STANDBY;
2356 status = write16(state, IQM_AF_STDBY__A, data);
2357 if (status < 0)
2358 goto error;
2359
2360 /* Disable SCU RF AGC loop */
2361 status = read16(state, SCU_RAM_AGC_CONFIG__A, &data);
2362 if (status < 0)
2363 goto error;
2364 data |= SCU_RAM_AGC_CONFIG_DISABLE_RF_AGC__M;
2365 status = write16(state, SCU_RAM_AGC_CONFIG__A, data);
2366 if (status < 0)
2367 goto error;
2368 break;
2369
2370 default:
2371 status = -EINVAL;
2372
2373 }
2374error:
2375 if (status < 0)
2376 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
2377 return status;
2378}
2379
2380#define SCU_RAM_AGC_KI_INV_IF_POL__M 0x2000
2381
2382static int SetAgcIf(struct drxk_state *state,
2383 struct SCfgAgc *pAgcCfg, bool isDTV)
2384{
2385 u16 data = 0;
2386 int status = 0;
2387 struct SCfgAgc *pRfAgcSettings;
2388
2389 dprintk(1, "\n");
2390
2391 switch (pAgcCfg->ctrlMode) {
2392 case DRXK_AGC_CTRL_AUTO:
2393
2394 /* Enable IF AGC DAC */
2395 status = read16(state, IQM_AF_STDBY__A, &data);
2396 if (status < 0)
2397 goto error;
2398 data &= ~IQM_AF_STDBY_STDBY_TAGC_IF_STANDBY;
2399 status = write16(state, IQM_AF_STDBY__A, data);
2400 if (status < 0)
2401 goto error;
2402
2403 status = read16(state, SCU_RAM_AGC_CONFIG__A, &data);
2404 if (status < 0)
2405 goto error;
2406
2407 /* Enable SCU IF AGC loop */
2408 data &= ~SCU_RAM_AGC_CONFIG_DISABLE_IF_AGC__M;
2409
2410 /* Polarity */
2411 if (state->m_IfAgcPol)
2412 data |= SCU_RAM_AGC_CONFIG_INV_IF_POL__M;
2413 else
2414 data &= ~SCU_RAM_AGC_CONFIG_INV_IF_POL__M;
2415 status = write16(state, SCU_RAM_AGC_CONFIG__A, data);
2416 if (status < 0)
2417 goto error;
2418
2419 /* Set speed (using complementary reduction value) */
2420 status = read16(state, SCU_RAM_AGC_KI_RED__A, &data);
2421 if (status < 0)
2422 goto error;
2423 data &= ~SCU_RAM_AGC_KI_RED_IAGC_RED__M;
2424 data |= (~(pAgcCfg->speed <<
2425 SCU_RAM_AGC_KI_RED_IAGC_RED__B)
2426 & SCU_RAM_AGC_KI_RED_IAGC_RED__M);
2427
2428 status = write16(state, SCU_RAM_AGC_KI_RED__A, data);
2429 if (status < 0)
2430 goto error;
2431
2432 if (IsQAM(state))
2433 pRfAgcSettings = &state->m_qamRfAgcCfg;
2434 else
2435 pRfAgcSettings = &state->m_atvRfAgcCfg;
2436 if (pRfAgcSettings == NULL)
2437 return -1;
2438 /* Restore TOP */
2439 status = write16(state, SCU_RAM_AGC_IF_IACCU_HI_TGT_MAX__A, pRfAgcSettings->top);
2440 if (status < 0)
2441 goto error;
2442 break;
2443
2444 case DRXK_AGC_CTRL_USER:
2445
2446 /* Enable IF AGC DAC */
2447 status = read16(state, IQM_AF_STDBY__A, &data);
2448 if (status < 0)
2449 goto error;
2450 data &= ~IQM_AF_STDBY_STDBY_TAGC_IF_STANDBY;
2451 status = write16(state, IQM_AF_STDBY__A, data);
2452 if (status < 0)
2453 goto error;
2454
2455 status = read16(state, SCU_RAM_AGC_CONFIG__A, &data);
2456 if (status < 0)
2457 goto error;
2458
2459 /* Disable SCU IF AGC loop */
2460 data |= SCU_RAM_AGC_CONFIG_DISABLE_IF_AGC__M;
2461
2462 /* Polarity */
2463 if (state->m_IfAgcPol)
2464 data |= SCU_RAM_AGC_CONFIG_INV_IF_POL__M;
2465 else
2466 data &= ~SCU_RAM_AGC_CONFIG_INV_IF_POL__M;
2467 status = write16(state, SCU_RAM_AGC_CONFIG__A, data);
2468 if (status < 0)
2469 goto error;
2470
2471 /* Write value to output pin */
2472 status = write16(state, SCU_RAM_AGC_IF_IACCU_HI_TGT_MAX__A, pAgcCfg->outputLevel);
2473 if (status < 0)
2474 goto error;
2475 break;
2476
2477 case DRXK_AGC_CTRL_OFF:
2478
2479 /* Disable If AGC DAC */
2480 status = read16(state, IQM_AF_STDBY__A, &data);
2481 if (status < 0)
2482 goto error;
2483 data |= IQM_AF_STDBY_STDBY_TAGC_IF_STANDBY;
2484 status = write16(state, IQM_AF_STDBY__A, data);
2485 if (status < 0)
2486 goto error;
2487
2488 /* Disable SCU IF AGC loop */
2489 status = read16(state, SCU_RAM_AGC_CONFIG__A, &data);
2490 if (status < 0)
2491 goto error;
2492 data |= SCU_RAM_AGC_CONFIG_DISABLE_IF_AGC__M;
2493 status = write16(state, SCU_RAM_AGC_CONFIG__A, data);
2494 if (status < 0)
2495 goto error;
2496 break;
2497 } /* switch (agcSettingsIf->ctrlMode) */
2498
2499 /* always set the top to support
2500 configurations without if-loop */
2501 status = write16(state, SCU_RAM_AGC_INGAIN_TGT_MIN__A, pAgcCfg->top);
2502error:
2503 if (status < 0)
2504 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
2505 return status;
2506}
2507
2508static int ReadIFAgc(struct drxk_state *state, u32 *pValue)
2509{
2510 u16 agcDacLvl;
2511 int status;
2512 u16 Level = 0;
2513
2514 dprintk(1, "\n");
2515
2516 status = read16(state, IQM_AF_AGC_IF__A, &agcDacLvl);
2517 if (status < 0) {
2518 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
2519 return status;
2520 }
2521
2522 *pValue = 0;
2523
2524 if (agcDacLvl > DRXK_AGC_DAC_OFFSET)
2525 Level = agcDacLvl - DRXK_AGC_DAC_OFFSET;
2526 if (Level < 14000)
2527 *pValue = (14000 - Level) / 4;
2528 else
2529 *pValue = 0;
2530
2531 return status;
2532}
2533
2534static int GetQAMSignalToNoise(struct drxk_state *state,
2535 s32 *pSignalToNoise)
2536{
2537 int status = 0;
2538 u16 qamSlErrPower = 0; /* accum. error between
2539 raw and sliced symbols */
2540 u32 qamSlSigPower = 0; /* used for MER, depends of
2541 QAM modulation */
2542 u32 qamSlMer = 0; /* QAM MER */
2543
2544 dprintk(1, "\n");
2545
2546 /* MER calculation */
2547
2548 /* get the register value needed for MER */
2549 status = read16(state, QAM_SL_ERR_POWER__A, &qamSlErrPower);
2550 if (status < 0) {
2551 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
2552 return -EINVAL;
2553 }
2554
2555 switch (state->props.modulation) {
2556 case QAM_16:
2557 qamSlSigPower = DRXK_QAM_SL_SIG_POWER_QAM16 << 2;
2558 break;
2559 case QAM_32:
2560 qamSlSigPower = DRXK_QAM_SL_SIG_POWER_QAM32 << 2;
2561 break;
2562 case QAM_64:
2563 qamSlSigPower = DRXK_QAM_SL_SIG_POWER_QAM64 << 2;
2564 break;
2565 case QAM_128:
2566 qamSlSigPower = DRXK_QAM_SL_SIG_POWER_QAM128 << 2;
2567 break;
2568 default:
2569 case QAM_256:
2570 qamSlSigPower = DRXK_QAM_SL_SIG_POWER_QAM256 << 2;
2571 break;
2572 }
2573
2574 if (qamSlErrPower > 0) {
2575 qamSlMer = Log10Times100(qamSlSigPower) -
2576 Log10Times100((u32) qamSlErrPower);
2577 }
2578 *pSignalToNoise = qamSlMer;
2579
2580 return status;
2581}
2582
2583static int GetDVBTSignalToNoise(struct drxk_state *state,
2584 s32 *pSignalToNoise)
2585{
2586 int status;
2587 u16 regData = 0;
2588 u32 EqRegTdSqrErrI = 0;
2589 u32 EqRegTdSqrErrQ = 0;
2590 u16 EqRegTdSqrErrExp = 0;
2591 u16 EqRegTdTpsPwrOfs = 0;
2592 u16 EqRegTdReqSmbCnt = 0;
2593 u32 tpsCnt = 0;
2594 u32 SqrErrIQ = 0;
2595 u32 a = 0;
2596 u32 b = 0;
2597 u32 c = 0;
2598 u32 iMER = 0;
2599 u16 transmissionParams = 0;
2600
2601 dprintk(1, "\n");
2602
2603 status = read16(state, OFDM_EQ_TOP_TD_TPS_PWR_OFS__A, &EqRegTdTpsPwrOfs);
2604 if (status < 0)
2605 goto error;
2606 status = read16(state, OFDM_EQ_TOP_TD_REQ_SMB_CNT__A, &EqRegTdReqSmbCnt);
2607 if (status < 0)
2608 goto error;
2609 status = read16(state, OFDM_EQ_TOP_TD_SQR_ERR_EXP__A, &EqRegTdSqrErrExp);
2610 if (status < 0)
2611 goto error;
2612 status = read16(state, OFDM_EQ_TOP_TD_SQR_ERR_I__A, &regData);
2613 if (status < 0)
2614 goto error;
2615 /* Extend SQR_ERR_I operational range */
2616 EqRegTdSqrErrI = (u32) regData;
2617 if ((EqRegTdSqrErrExp > 11) &&
2618 (EqRegTdSqrErrI < 0x00000FFFUL)) {
2619 EqRegTdSqrErrI += 0x00010000UL;
2620 }
2621 status = read16(state, OFDM_EQ_TOP_TD_SQR_ERR_Q__A, &regData);
2622 if (status < 0)
2623 goto error;
2624 /* Extend SQR_ERR_Q operational range */
2625 EqRegTdSqrErrQ = (u32) regData;
2626 if ((EqRegTdSqrErrExp > 11) &&
2627 (EqRegTdSqrErrQ < 0x00000FFFUL))
2628 EqRegTdSqrErrQ += 0x00010000UL;
2629
2630 status = read16(state, OFDM_SC_RA_RAM_OP_PARAM__A, &transmissionParams);
2631 if (status < 0)
2632 goto error;
2633
2634 /* Check input data for MER */
2635
2636 /* MER calculation (in 0.1 dB) without math.h */
2637 if ((EqRegTdTpsPwrOfs == 0) || (EqRegTdReqSmbCnt == 0))
2638 iMER = 0;
2639 else if ((EqRegTdSqrErrI + EqRegTdSqrErrQ) == 0) {
2640 /* No error at all, this must be the HW reset value
2641 * Apparently no first measurement yet
2642 * Set MER to 0.0 */
2643 iMER = 0;
2644 } else {
2645 SqrErrIQ = (EqRegTdSqrErrI + EqRegTdSqrErrQ) <<
2646 EqRegTdSqrErrExp;
2647 if ((transmissionParams &
2648 OFDM_SC_RA_RAM_OP_PARAM_MODE__M)
2649 == OFDM_SC_RA_RAM_OP_PARAM_MODE_2K)
2650 tpsCnt = 17;
2651 else
2652 tpsCnt = 68;
2653
2654 /* IMER = 100 * log10 (x)
2655 where x = (EqRegTdTpsPwrOfs^2 *
2656 EqRegTdReqSmbCnt * tpsCnt)/SqrErrIQ
2657
2658 => IMER = a + b -c
2659 where a = 100 * log10 (EqRegTdTpsPwrOfs^2)
2660 b = 100 * log10 (EqRegTdReqSmbCnt * tpsCnt)
2661 c = 100 * log10 (SqrErrIQ)
2662 */
2663
2664 /* log(x) x = 9bits * 9bits->18 bits */
2665 a = Log10Times100(EqRegTdTpsPwrOfs *
2666 EqRegTdTpsPwrOfs);
2667 /* log(x) x = 16bits * 7bits->23 bits */
2668 b = Log10Times100(EqRegTdReqSmbCnt * tpsCnt);
2669 /* log(x) x = (16bits + 16bits) << 15 ->32 bits */
2670 c = Log10Times100(SqrErrIQ);
2671
2672 iMER = a + b;
2673 /* No negative MER, clip to zero */
2674 if (iMER > c)
2675 iMER -= c;
2676 else
2677 iMER = 0;
2678 }
2679 *pSignalToNoise = iMER;
2680
2681error:
2682 if (status < 0)
2683 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
2684 return status;
2685}
2686
2687static int GetSignalToNoise(struct drxk_state *state, s32 *pSignalToNoise)
2688{
2689 dprintk(1, "\n");
2690
2691 *pSignalToNoise = 0;
2692 switch (state->m_OperationMode) {
2693 case OM_DVBT:
2694 return GetDVBTSignalToNoise(state, pSignalToNoise);
2695 case OM_QAM_ITU_A:
2696 case OM_QAM_ITU_C:
2697 return GetQAMSignalToNoise(state, pSignalToNoise);
2698 default:
2699 break;
2700 }
2701 return 0;
2702}
2703
2704#if 0
2705static int GetDVBTQuality(struct drxk_state *state, s32 *pQuality)
2706{
2707 /* SNR Values for quasi errorfree reception rom Nordig 2.2 */
2708 int status = 0;
2709
2710 dprintk(1, "\n");
2711
2712 static s32 QE_SN[] = {
2713 51, /* QPSK 1/2 */
2714 69, /* QPSK 2/3 */
2715 79, /* QPSK 3/4 */
2716 89, /* QPSK 5/6 */
2717 97, /* QPSK 7/8 */
2718 108, /* 16-QAM 1/2 */
2719 131, /* 16-QAM 2/3 */
2720 146, /* 16-QAM 3/4 */
2721 156, /* 16-QAM 5/6 */
2722 160, /* 16-QAM 7/8 */
2723 165, /* 64-QAM 1/2 */
2724 187, /* 64-QAM 2/3 */
2725 202, /* 64-QAM 3/4 */
2726 216, /* 64-QAM 5/6 */
2727 225, /* 64-QAM 7/8 */
2728 };
2729
2730 *pQuality = 0;
2731
2732 do {
2733 s32 SignalToNoise = 0;
2734 u16 Constellation = 0;
2735 u16 CodeRate = 0;
2736 u32 SignalToNoiseRel;
2737 u32 BERQuality;
2738
2739 status = GetDVBTSignalToNoise(state, &SignalToNoise);
2740 if (status < 0)
2741 break;
2742 status = read16(state, OFDM_EQ_TOP_TD_TPS_CONST__A, &Constellation);
2743 if (status < 0)
2744 break;
2745 Constellation &= OFDM_EQ_TOP_TD_TPS_CONST__M;
2746
2747 status = read16(state, OFDM_EQ_TOP_TD_TPS_CODE_HP__A, &CodeRate);
2748 if (status < 0)
2749 break;
2750 CodeRate &= OFDM_EQ_TOP_TD_TPS_CODE_HP__M;
2751
2752 if (Constellation > OFDM_EQ_TOP_TD_TPS_CONST_64QAM ||
2753 CodeRate > OFDM_EQ_TOP_TD_TPS_CODE_LP_7_8)
2754 break;
2755 SignalToNoiseRel = SignalToNoise -
2756 QE_SN[Constellation * 5 + CodeRate];
2757 BERQuality = 100;
2758
2759 if (SignalToNoiseRel < -70)
2760 *pQuality = 0;
2761 else if (SignalToNoiseRel < 30)
2762 *pQuality = ((SignalToNoiseRel + 70) *
2763 BERQuality) / 100;
2764 else
2765 *pQuality = BERQuality;
2766 } while (0);
2767 return 0;
2768};
2769
2770static int GetDVBCQuality(struct drxk_state *state, s32 *pQuality)
2771{
2772 int status = 0;
2773 *pQuality = 0;
2774
2775 dprintk(1, "\n");
2776
2777 do {
2778 u32 SignalToNoise = 0;
2779 u32 BERQuality = 100;
2780 u32 SignalToNoiseRel = 0;
2781
2782 status = GetQAMSignalToNoise(state, &SignalToNoise);
2783 if (status < 0)
2784 break;
2785
2786 switch (state->props.modulation) {
2787 case QAM_16:
2788 SignalToNoiseRel = SignalToNoise - 200;
2789 break;
2790 case QAM_32:
2791 SignalToNoiseRel = SignalToNoise - 230;
2792 break; /* Not in NorDig */
2793 case QAM_64:
2794 SignalToNoiseRel = SignalToNoise - 260;
2795 break;
2796 case QAM_128:
2797 SignalToNoiseRel = SignalToNoise - 290;
2798 break;
2799 default:
2800 case QAM_256:
2801 SignalToNoiseRel = SignalToNoise - 320;
2802 break;
2803 }
2804
2805 if (SignalToNoiseRel < -70)
2806 *pQuality = 0;
2807 else if (SignalToNoiseRel < 30)
2808 *pQuality = ((SignalToNoiseRel + 70) *
2809 BERQuality) / 100;
2810 else
2811 *pQuality = BERQuality;
2812 } while (0);
2813
2814 return status;
2815}
2816
2817static int GetQuality(struct drxk_state *state, s32 *pQuality)
2818{
2819 dprintk(1, "\n");
2820
2821 switch (state->m_OperationMode) {
2822 case OM_DVBT:
2823 return GetDVBTQuality(state, pQuality);
2824 case OM_QAM_ITU_A:
2825 return GetDVBCQuality(state, pQuality);
2826 default:
2827 break;
2828 }
2829
2830 return 0;
2831}
2832#endif
2833
2834/* Free data ram in SIO HI */
2835#define SIO_HI_RA_RAM_USR_BEGIN__A 0x420040
2836#define SIO_HI_RA_RAM_USR_END__A 0x420060
2837
2838#define DRXK_HI_ATOMIC_BUF_START (SIO_HI_RA_RAM_USR_BEGIN__A)
2839#define DRXK_HI_ATOMIC_BUF_END (SIO_HI_RA_RAM_USR_BEGIN__A + 7)
2840#define DRXK_HI_ATOMIC_READ SIO_HI_RA_RAM_PAR_3_ACP_RW_READ
2841#define DRXK_HI_ATOMIC_WRITE SIO_HI_RA_RAM_PAR_3_ACP_RW_WRITE
2842
2843#define DRXDAP_FASI_ADDR2BLOCK(addr) (((addr) >> 22) & 0x3F)
2844#define DRXDAP_FASI_ADDR2BANK(addr) (((addr) >> 16) & 0x3F)
2845#define DRXDAP_FASI_ADDR2OFFSET(addr) ((addr) & 0x7FFF)
2846
2847static int ConfigureI2CBridge(struct drxk_state *state, bool bEnableBridge)
2848{
2849 int status = -EINVAL;
2850
2851 dprintk(1, "\n");
2852
2853 if (state->m_DrxkState == DRXK_UNINITIALIZED)
2854 return 0;
2855 if (state->m_DrxkState == DRXK_POWERED_DOWN)
2856 goto error;
2857
2858 if (state->no_i2c_bridge)
2859 return 0;
2860
2861 status = write16(state, SIO_HI_RA_RAM_PAR_1__A, SIO_HI_RA_RAM_PAR_1_PAR1_SEC_KEY);
2862 if (status < 0)
2863 goto error;
2864 if (bEnableBridge) {
2865 status = write16(state, SIO_HI_RA_RAM_PAR_2__A, SIO_HI_RA_RAM_PAR_2_BRD_CFG_CLOSED);
2866 if (status < 0)
2867 goto error;
2868 } else {
2869 status = write16(state, SIO_HI_RA_RAM_PAR_2__A, SIO_HI_RA_RAM_PAR_2_BRD_CFG_OPEN);
2870 if (status < 0)
2871 goto error;
2872 }
2873
2874 status = HI_Command(state, SIO_HI_RA_RAM_CMD_BRDCTRL, 0);
2875
2876error:
2877 if (status < 0)
2878 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
2879 return status;
2880}
2881
2882static int SetPreSaw(struct drxk_state *state,
2883 struct SCfgPreSaw *pPreSawCfg)
2884{
2885 int status = -EINVAL;
2886
2887 dprintk(1, "\n");
2888
2889 if ((pPreSawCfg == NULL)
2890 || (pPreSawCfg->reference > IQM_AF_PDREF__M))
2891 goto error;
2892
2893 status = write16(state, IQM_AF_PDREF__A, pPreSawCfg->reference);
2894error:
2895 if (status < 0)
2896 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
2897 return status;
2898}
2899
2900static int BLDirectCmd(struct drxk_state *state, u32 targetAddr,
2901 u16 romOffset, u16 nrOfElements, u32 timeOut)
2902{
2903 u16 blStatus = 0;
2904 u16 offset = (u16) ((targetAddr >> 0) & 0x00FFFF);
2905 u16 blockbank = (u16) ((targetAddr >> 16) & 0x000FFF);
2906 int status;
2907 unsigned long end;
2908
2909 dprintk(1, "\n");
2910
2911 mutex_lock(&state->mutex);
2912 status = write16(state, SIO_BL_MODE__A, SIO_BL_MODE_DIRECT);
2913 if (status < 0)
2914 goto error;
2915 status = write16(state, SIO_BL_TGT_HDR__A, blockbank);
2916 if (status < 0)
2917 goto error;
2918 status = write16(state, SIO_BL_TGT_ADDR__A, offset);
2919 if (status < 0)
2920 goto error;
2921 status = write16(state, SIO_BL_SRC_ADDR__A, romOffset);
2922 if (status < 0)
2923 goto error;
2924 status = write16(state, SIO_BL_SRC_LEN__A, nrOfElements);
2925 if (status < 0)
2926 goto error;
2927 status = write16(state, SIO_BL_ENABLE__A, SIO_BL_ENABLE_ON);
2928 if (status < 0)
2929 goto error;
2930
2931 end = jiffies + msecs_to_jiffies(timeOut);
2932 do {
2933 status = read16(state, SIO_BL_STATUS__A, &blStatus);
2934 if (status < 0)
2935 goto error;
2936 } while ((blStatus == 0x1) && time_is_after_jiffies(end));
2937 if (blStatus == 0x1) {
2938 printk(KERN_ERR "drxk: SIO not ready\n");
2939 status = -EINVAL;
2940 goto error2;
2941 }
2942error:
2943 if (status < 0)
2944 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
2945error2:
2946 mutex_unlock(&state->mutex);
2947 return status;
2948
2949}
2950
2951static int ADCSyncMeasurement(struct drxk_state *state, u16 *count)
2952{
2953 u16 data = 0;
2954 int status;
2955
2956 dprintk(1, "\n");
2957
2958 /* Start measurement */
2959 status = write16(state, IQM_AF_COMM_EXEC__A, IQM_AF_COMM_EXEC_ACTIVE);
2960 if (status < 0)
2961 goto error;
2962 status = write16(state, IQM_AF_START_LOCK__A, 1);
2963 if (status < 0)
2964 goto error;
2965
2966 *count = 0;
2967 status = read16(state, IQM_AF_PHASE0__A, &data);
2968 if (status < 0)
2969 goto error;
2970 if (data == 127)
2971 *count = *count + 1;
2972 status = read16(state, IQM_AF_PHASE1__A, &data);
2973 if (status < 0)
2974 goto error;
2975 if (data == 127)
2976 *count = *count + 1;
2977 status = read16(state, IQM_AF_PHASE2__A, &data);
2978 if (status < 0)
2979 goto error;
2980 if (data == 127)
2981 *count = *count + 1;
2982
2983error:
2984 if (status < 0)
2985 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
2986 return status;
2987}
2988
2989static int ADCSynchronization(struct drxk_state *state)
2990{
2991 u16 count = 0;
2992 int status;
2993
2994 dprintk(1, "\n");
2995
2996 status = ADCSyncMeasurement(state, &count);
2997 if (status < 0)
2998 goto error;
2999
3000 if (count == 1) {
3001 /* Try sampling on a diffrent edge */
3002 u16 clkNeg = 0;
3003
3004 status = read16(state, IQM_AF_CLKNEG__A, &clkNeg);
3005 if (status < 0)
3006 goto error;
3007 if ((clkNeg & IQM_AF_CLKNEG_CLKNEGDATA__M) ==
3008 IQM_AF_CLKNEG_CLKNEGDATA_CLK_ADC_DATA_POS) {
3009 clkNeg &= (~(IQM_AF_CLKNEG_CLKNEGDATA__M));
3010 clkNeg |=
3011 IQM_AF_CLKNEG_CLKNEGDATA_CLK_ADC_DATA_NEG;
3012 } else {
3013 clkNeg &= (~(IQM_AF_CLKNEG_CLKNEGDATA__M));
3014 clkNeg |=
3015 IQM_AF_CLKNEG_CLKNEGDATA_CLK_ADC_DATA_POS;
3016 }
3017 status = write16(state, IQM_AF_CLKNEG__A, clkNeg);
3018 if (status < 0)
3019 goto error;
3020 status = ADCSyncMeasurement(state, &count);
3021 if (status < 0)
3022 goto error;
3023 }
3024
3025 if (count < 2)
3026 status = -EINVAL;
3027error:
3028 if (status < 0)
3029 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
3030 return status;
3031}
3032
3033static int SetFrequencyShifter(struct drxk_state *state,
3034 u16 intermediateFreqkHz,
3035 s32 tunerFreqOffset, bool isDTV)
3036{
3037 bool selectPosImage = false;
3038 u32 rfFreqResidual = tunerFreqOffset;
3039 u32 fmFrequencyShift = 0;
3040 bool tunerMirror = !state->m_bMirrorFreqSpect;
3041 u32 adcFreq;
3042 bool adcFlip;
3043 int status;
3044 u32 ifFreqActual;
3045 u32 samplingFrequency = (u32) (state->m_sysClockFreq / 3);
3046 u32 frequencyShift;
3047 bool imageToSelect;
3048
3049 dprintk(1, "\n");
3050
3051 /*
3052 Program frequency shifter
3053 No need to account for mirroring on RF
3054 */
3055 if (isDTV) {
3056 if ((state->m_OperationMode == OM_QAM_ITU_A) ||
3057 (state->m_OperationMode == OM_QAM_ITU_C) ||
3058 (state->m_OperationMode == OM_DVBT))
3059 selectPosImage = true;
3060 else
3061 selectPosImage = false;
3062 }
3063 if (tunerMirror)
3064 /* tuner doesn't mirror */
3065 ifFreqActual = intermediateFreqkHz +
3066 rfFreqResidual + fmFrequencyShift;
3067 else
3068 /* tuner mirrors */
3069 ifFreqActual = intermediateFreqkHz -
3070 rfFreqResidual - fmFrequencyShift;
3071 if (ifFreqActual > samplingFrequency / 2) {
3072 /* adc mirrors */
3073 adcFreq = samplingFrequency - ifFreqActual;
3074 adcFlip = true;
3075 } else {
3076 /* adc doesn't mirror */
3077 adcFreq = ifFreqActual;
3078 adcFlip = false;
3079 }
3080
3081 frequencyShift = adcFreq;
3082 imageToSelect = state->m_rfmirror ^ tunerMirror ^
3083 adcFlip ^ selectPosImage;
3084 state->m_IqmFsRateOfs =
3085 Frac28a((frequencyShift), samplingFrequency);
3086
3087 if (imageToSelect)
3088 state->m_IqmFsRateOfs = ~state->m_IqmFsRateOfs + 1;
3089
3090 /* Program frequency shifter with tuner offset compensation */
3091 /* frequencyShift += tunerFreqOffset; TODO */
3092 status = write32(state, IQM_FS_RATE_OFS_LO__A,
3093 state->m_IqmFsRateOfs);
3094 if (status < 0)
3095 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
3096 return status;
3097}
3098
3099static int InitAGC(struct drxk_state *state, bool isDTV)
3100{
3101 u16 ingainTgt = 0;
3102 u16 ingainTgtMin = 0;
3103 u16 ingainTgtMax = 0;
3104 u16 clpCyclen = 0;
3105 u16 clpSumMin = 0;
3106 u16 clpDirTo = 0;
3107 u16 snsSumMin = 0;
3108 u16 snsSumMax = 0;
3109 u16 clpSumMax = 0;
3110 u16 snsDirTo = 0;
3111 u16 kiInnergainMin = 0;
3112 u16 ifIaccuHiTgt = 0;
3113 u16 ifIaccuHiTgtMin = 0;
3114 u16 ifIaccuHiTgtMax = 0;
3115 u16 data = 0;
3116 u16 fastClpCtrlDelay = 0;
3117 u16 clpCtrlMode = 0;
3118 int status = 0;
3119
3120 dprintk(1, "\n");
3121
3122 /* Common settings */
3123 snsSumMax = 1023;
3124 ifIaccuHiTgtMin = 2047;
3125 clpCyclen = 500;
3126 clpSumMax = 1023;
3127
3128 /* AGCInit() not available for DVBT; init done in microcode */
3129 if (!IsQAM(state)) {
3130 printk(KERN_ERR "drxk: %s: mode %d is not DVB-C\n", __func__, state->m_OperationMode);
3131 return -EINVAL;
3132 }
3133
3134 /* FIXME: Analog TV AGC require different settings */
3135
3136 /* Standard specific settings */
3137 clpSumMin = 8;
3138 clpDirTo = (u16) -9;
3139 clpCtrlMode = 0;
3140 snsSumMin = 8;
3141 snsDirTo = (u16) -9;
3142 kiInnergainMin = (u16) -1030;
3143 ifIaccuHiTgtMax = 0x2380;
3144 ifIaccuHiTgt = 0x2380;
3145 ingainTgtMin = 0x0511;
3146 ingainTgt = 0x0511;
3147 ingainTgtMax = 5119;
3148 fastClpCtrlDelay = state->m_qamIfAgcCfg.FastClipCtrlDelay;
3149
3150 status = write16(state, SCU_RAM_AGC_FAST_CLP_CTRL_DELAY__A, fastClpCtrlDelay);
3151 if (status < 0)
3152 goto error;
3153
3154 status = write16(state, SCU_RAM_AGC_CLP_CTRL_MODE__A, clpCtrlMode);
3155 if (status < 0)
3156 goto error;
3157 status = write16(state, SCU_RAM_AGC_INGAIN_TGT__A, ingainTgt);
3158 if (status < 0)
3159 goto error;
3160 status = write16(state, SCU_RAM_AGC_INGAIN_TGT_MIN__A, ingainTgtMin);
3161 if (status < 0)
3162 goto error;
3163 status = write16(state, SCU_RAM_AGC_INGAIN_TGT_MAX__A, ingainTgtMax);
3164 if (status < 0)
3165 goto error;
3166 status = write16(state, SCU_RAM_AGC_IF_IACCU_HI_TGT_MIN__A, ifIaccuHiTgtMin);
3167 if (status < 0)
3168 goto error;
3169 status = write16(state, SCU_RAM_AGC_IF_IACCU_HI_TGT_MAX__A, ifIaccuHiTgtMax);
3170 if (status < 0)
3171 goto error;
3172 status = write16(state, SCU_RAM_AGC_IF_IACCU_HI__A, 0);
3173 if (status < 0)
3174 goto error;
3175 status = write16(state, SCU_RAM_AGC_IF_IACCU_LO__A, 0);
3176 if (status < 0)
3177 goto error;
3178 status = write16(state, SCU_RAM_AGC_RF_IACCU_HI__A, 0);
3179 if (status < 0)
3180 goto error;
3181 status = write16(state, SCU_RAM_AGC_RF_IACCU_LO__A, 0);
3182 if (status < 0)
3183 goto error;
3184 status = write16(state, SCU_RAM_AGC_CLP_SUM_MAX__A, clpSumMax);
3185 if (status < 0)
3186 goto error;
3187 status = write16(state, SCU_RAM_AGC_SNS_SUM_MAX__A, snsSumMax);
3188 if (status < 0)
3189 goto error;
3190
3191 status = write16(state, SCU_RAM_AGC_KI_INNERGAIN_MIN__A, kiInnergainMin);
3192 if (status < 0)
3193 goto error;
3194 status = write16(state, SCU_RAM_AGC_IF_IACCU_HI_TGT__A, ifIaccuHiTgt);
3195 if (status < 0)
3196 goto error;
3197 status = write16(state, SCU_RAM_AGC_CLP_CYCLEN__A, clpCyclen);
3198 if (status < 0)
3199 goto error;
3200
3201 status = write16(state, SCU_RAM_AGC_RF_SNS_DEV_MAX__A, 1023);
3202 if (status < 0)
3203 goto error;
3204 status = write16(state, SCU_RAM_AGC_RF_SNS_DEV_MIN__A, (u16) -1023);
3205 if (status < 0)
3206 goto error;
3207 status = write16(state, SCU_RAM_AGC_FAST_SNS_CTRL_DELAY__A, 50);
3208 if (status < 0)
3209 goto error;
3210
3211 status = write16(state, SCU_RAM_AGC_KI_MAXMINGAIN_TH__A, 20);
3212 if (status < 0)
3213 goto error;
3214 status = write16(state, SCU_RAM_AGC_CLP_SUM_MIN__A, clpSumMin);
3215 if (status < 0)
3216 goto error;
3217 status = write16(state, SCU_RAM_AGC_SNS_SUM_MIN__A, snsSumMin);
3218 if (status < 0)
3219 goto error;
3220 status = write16(state, SCU_RAM_AGC_CLP_DIR_TO__A, clpDirTo);
3221 if (status < 0)
3222 goto error;
3223 status = write16(state, SCU_RAM_AGC_SNS_DIR_TO__A, snsDirTo);
3224 if (status < 0)
3225 goto error;
3226 status = write16(state, SCU_RAM_AGC_KI_MINGAIN__A, 0x7fff);
3227 if (status < 0)
3228 goto error;
3229 status = write16(state, SCU_RAM_AGC_KI_MAXGAIN__A, 0x0);
3230 if (status < 0)
3231 goto error;
3232 status = write16(state, SCU_RAM_AGC_KI_MIN__A, 0x0117);
3233 if (status < 0)
3234 goto error;
3235 status = write16(state, SCU_RAM_AGC_KI_MAX__A, 0x0657);
3236 if (status < 0)
3237 goto error;
3238 status = write16(state, SCU_RAM_AGC_CLP_SUM__A, 0);
3239 if (status < 0)
3240 goto error;
3241 status = write16(state, SCU_RAM_AGC_CLP_CYCCNT__A, 0);
3242 if (status < 0)
3243 goto error;
3244 status = write16(state, SCU_RAM_AGC_CLP_DIR_WD__A, 0);
3245 if (status < 0)
3246 goto error;
3247 status = write16(state, SCU_RAM_AGC_CLP_DIR_STP__A, 1);
3248 if (status < 0)
3249 goto error;
3250 status = write16(state, SCU_RAM_AGC_SNS_SUM__A, 0);
3251 if (status < 0)
3252 goto error;
3253 status = write16(state, SCU_RAM_AGC_SNS_CYCCNT__A, 0);
3254 if (status < 0)
3255 goto error;
3256 status = write16(state, SCU_RAM_AGC_SNS_DIR_WD__A, 0);
3257 if (status < 0)
3258 goto error;
3259 status = write16(state, SCU_RAM_AGC_SNS_DIR_STP__A, 1);
3260 if (status < 0)
3261 goto error;
3262 status = write16(state, SCU_RAM_AGC_SNS_CYCLEN__A, 500);
3263 if (status < 0)
3264 goto error;
3265 status = write16(state, SCU_RAM_AGC_KI_CYCLEN__A, 500);
3266 if (status < 0)
3267 goto error;
3268
3269 /* Initialize inner-loop KI gain factors */
3270 status = read16(state, SCU_RAM_AGC_KI__A, &data);
3271 if (status < 0)
3272 goto error;
3273
3274 data = 0x0657;
3275 data &= ~SCU_RAM_AGC_KI_RF__M;
3276 data |= (DRXK_KI_RAGC_QAM << SCU_RAM_AGC_KI_RF__B);
3277 data &= ~SCU_RAM_AGC_KI_IF__M;
3278 data |= (DRXK_KI_IAGC_QAM << SCU_RAM_AGC_KI_IF__B);
3279
3280 status = write16(state, SCU_RAM_AGC_KI__A, data);
3281error:
3282 if (status < 0)
3283 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
3284 return status;
3285}
3286
3287static int DVBTQAMGetAccPktErr(struct drxk_state *state, u16 *packetErr)
3288{
3289 int status;
3290
3291 dprintk(1, "\n");
3292 if (packetErr == NULL)
3293 status = write16(state, SCU_RAM_FEC_ACCUM_PKT_FAILURES__A, 0);
3294 else
3295 status = read16(state, SCU_RAM_FEC_ACCUM_PKT_FAILURES__A, packetErr);
3296 if (status < 0)
3297 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
3298 return status;
3299}
3300
3301static int DVBTScCommand(struct drxk_state *state,
3302 u16 cmd, u16 subcmd,
3303 u16 param0, u16 param1, u16 param2,
3304 u16 param3, u16 param4)
3305{
3306 u16 curCmd = 0;
3307 u16 errCode = 0;
3308 u16 retryCnt = 0;
3309 u16 scExec = 0;
3310 int status;
3311
3312 dprintk(1, "\n");
3313 status = read16(state, OFDM_SC_COMM_EXEC__A, &scExec);
3314 if (scExec != 1) {
3315 /* SC is not running */
3316 status = -EINVAL;
3317 }
3318 if (status < 0)
3319 goto error;
3320
3321 /* Wait until sc is ready to receive command */
3322 retryCnt = 0;
3323 do {
3324 msleep(1);
3325 status = read16(state, OFDM_SC_RA_RAM_CMD__A, &curCmd);
3326 retryCnt++;
3327 } while ((curCmd != 0) && (retryCnt < DRXK_MAX_RETRIES));
3328 if (retryCnt >= DRXK_MAX_RETRIES && (status < 0))
3329 goto error;
3330
3331 /* Write sub-command */
3332 switch (cmd) {
3333 /* All commands using sub-cmd */
3334 case OFDM_SC_RA_RAM_CMD_PROC_START:
3335 case OFDM_SC_RA_RAM_CMD_SET_PREF_PARAM:
3336 case OFDM_SC_RA_RAM_CMD_PROGRAM_PARAM:
3337 status = write16(state, OFDM_SC_RA_RAM_CMD_ADDR__A, subcmd);
3338 if (status < 0)
3339 goto error;
3340 break;
3341 default:
3342 /* Do nothing */
3343 break;
3344 }
3345
3346 /* Write needed parameters and the command */
3347 switch (cmd) {
3348 /* All commands using 5 parameters */
3349 /* All commands using 4 parameters */
3350 /* All commands using 3 parameters */
3351 /* All commands using 2 parameters */
3352 case OFDM_SC_RA_RAM_CMD_PROC_START:
3353 case OFDM_SC_RA_RAM_CMD_SET_PREF_PARAM:
3354 case OFDM_SC_RA_RAM_CMD_PROGRAM_PARAM:
3355 status = write16(state, OFDM_SC_RA_RAM_PARAM1__A, param1);
3356 /* All commands using 1 parameters */
3357 case OFDM_SC_RA_RAM_CMD_SET_ECHO_TIMING:
3358 case OFDM_SC_RA_RAM_CMD_USER_IO:
3359 status = write16(state, OFDM_SC_RA_RAM_PARAM0__A, param0);
3360 /* All commands using 0 parameters */
3361 case OFDM_SC_RA_RAM_CMD_GET_OP_PARAM:
3362 case OFDM_SC_RA_RAM_CMD_NULL:
3363 /* Write command */
3364 status = write16(state, OFDM_SC_RA_RAM_CMD__A, cmd);
3365 break;
3366 default:
3367 /* Unknown command */
3368 status = -EINVAL;
3369 }
3370 if (status < 0)
3371 goto error;
3372
3373 /* Wait until sc is ready processing command */
3374 retryCnt = 0;
3375 do {
3376 msleep(1);
3377 status = read16(state, OFDM_SC_RA_RAM_CMD__A, &curCmd);
3378 retryCnt++;
3379 } while ((curCmd != 0) && (retryCnt < DRXK_MAX_RETRIES));
3380 if (retryCnt >= DRXK_MAX_RETRIES && (status < 0))
3381 goto error;
3382
3383 /* Check for illegal cmd */
3384 status = read16(state, OFDM_SC_RA_RAM_CMD_ADDR__A, &errCode);
3385 if (errCode == 0xFFFF) {
3386 /* illegal command */
3387 status = -EINVAL;
3388 }
3389 if (status < 0)
3390 goto error;
3391
3392 /* Retreive results parameters from SC */
3393 switch (cmd) {
3394 /* All commands yielding 5 results */
3395 /* All commands yielding 4 results */
3396 /* All commands yielding 3 results */
3397 /* All commands yielding 2 results */
3398 /* All commands yielding 1 result */
3399 case OFDM_SC_RA_RAM_CMD_USER_IO:
3400 case OFDM_SC_RA_RAM_CMD_GET_OP_PARAM:
3401 status = read16(state, OFDM_SC_RA_RAM_PARAM0__A, &(param0));
3402 /* All commands yielding 0 results */
3403 case OFDM_SC_RA_RAM_CMD_SET_ECHO_TIMING:
3404 case OFDM_SC_RA_RAM_CMD_SET_TIMER:
3405 case OFDM_SC_RA_RAM_CMD_PROC_START:
3406 case OFDM_SC_RA_RAM_CMD_SET_PREF_PARAM:
3407 case OFDM_SC_RA_RAM_CMD_PROGRAM_PARAM:
3408 case OFDM_SC_RA_RAM_CMD_NULL:
3409 break;
3410 default:
3411 /* Unknown command */
3412 status = -EINVAL;
3413 break;
3414 } /* switch (cmd->cmd) */
3415error:
3416 if (status < 0)
3417 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
3418 return status;
3419}
3420
3421static int PowerUpDVBT(struct drxk_state *state)
3422{
3423 enum DRXPowerMode powerMode = DRX_POWER_UP;
3424 int status;
3425
3426 dprintk(1, "\n");
3427 status = CtrlPowerMode(state, &powerMode);
3428 if (status < 0)
3429 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
3430 return status;
3431}
3432
3433static int DVBTCtrlSetIncEnable(struct drxk_state *state, bool *enabled)
3434{
3435 int status;
3436
3437 dprintk(1, "\n");
3438 if (*enabled == true)
3439 status = write16(state, IQM_CF_BYPASSDET__A, 0);
3440 else
3441 status = write16(state, IQM_CF_BYPASSDET__A, 1);
3442 if (status < 0)
3443 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
3444 return status;
3445}
3446
3447#define DEFAULT_FR_THRES_8K 4000
3448static int DVBTCtrlSetFrEnable(struct drxk_state *state, bool *enabled)
3449{
3450
3451 int status;
3452
3453 dprintk(1, "\n");
3454 if (*enabled == true) {
3455 /* write mask to 1 */
3456 status = write16(state, OFDM_SC_RA_RAM_FR_THRES_8K__A,
3457 DEFAULT_FR_THRES_8K);
3458 } else {
3459 /* write mask to 0 */
3460 status = write16(state, OFDM_SC_RA_RAM_FR_THRES_8K__A, 0);
3461 }
3462 if (status < 0)
3463 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
3464
3465 return status;
3466}
3467
3468static int DVBTCtrlSetEchoThreshold(struct drxk_state *state,
3469 struct DRXKCfgDvbtEchoThres_t *echoThres)
3470{
3471 u16 data = 0;
3472 int status;
3473
3474 dprintk(1, "\n");
3475 status = read16(state, OFDM_SC_RA_RAM_ECHO_THRES__A, &data);
3476 if (status < 0)
3477 goto error;
3478
3479 switch (echoThres->fftMode) {
3480 case DRX_FFTMODE_2K:
3481 data &= ~OFDM_SC_RA_RAM_ECHO_THRES_2K__M;
3482 data |= ((echoThres->threshold <<
3483 OFDM_SC_RA_RAM_ECHO_THRES_2K__B)
3484 & (OFDM_SC_RA_RAM_ECHO_THRES_2K__M));
3485 break;
3486 case DRX_FFTMODE_8K:
3487 data &= ~OFDM_SC_RA_RAM_ECHO_THRES_8K__M;
3488 data |= ((echoThres->threshold <<
3489 OFDM_SC_RA_RAM_ECHO_THRES_8K__B)
3490 & (OFDM_SC_RA_RAM_ECHO_THRES_8K__M));
3491 break;
3492 default:
3493 return -EINVAL;
3494 }
3495
3496 status = write16(state, OFDM_SC_RA_RAM_ECHO_THRES__A, data);
3497error:
3498 if (status < 0)
3499 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
3500 return status;
3501}
3502
3503static int DVBTCtrlSetSqiSpeed(struct drxk_state *state,
3504 enum DRXKCfgDvbtSqiSpeed *speed)
3505{
3506 int status = -EINVAL;
3507
3508 dprintk(1, "\n");
3509
3510 switch (*speed) {
3511 case DRXK_DVBT_SQI_SPEED_FAST:
3512 case DRXK_DVBT_SQI_SPEED_MEDIUM:
3513 case DRXK_DVBT_SQI_SPEED_SLOW:
3514 break;
3515 default:
3516 goto error;
3517 }
3518 status = write16(state, SCU_RAM_FEC_PRE_RS_BER_FILTER_SH__A,
3519 (u16) *speed);
3520error:
3521 if (status < 0)
3522 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
3523 return status;
3524}
3525
3526/*============================================================================*/
3527
3528/**
3529* \brief Activate DVBT specific presets
3530* \param demod instance of demodulator.
3531* \return DRXStatus_t.
3532*
3533* Called in DVBTSetStandard
3534*
3535*/
3536static int DVBTActivatePresets(struct drxk_state *state)
3537{
3538 int status;
3539 bool setincenable = false;
3540 bool setfrenable = true;
3541
3542 struct DRXKCfgDvbtEchoThres_t echoThres2k = { 0, DRX_FFTMODE_2K };
3543 struct DRXKCfgDvbtEchoThres_t echoThres8k = { 0, DRX_FFTMODE_8K };
3544
3545 dprintk(1, "\n");
3546 status = DVBTCtrlSetIncEnable(state, &setincenable);
3547 if (status < 0)
3548 goto error;
3549 status = DVBTCtrlSetFrEnable(state, &setfrenable);
3550 if (status < 0)
3551 goto error;
3552 status = DVBTCtrlSetEchoThreshold(state, &echoThres2k);
3553 if (status < 0)
3554 goto error;
3555 status = DVBTCtrlSetEchoThreshold(state, &echoThres8k);
3556 if (status < 0)
3557 goto error;
3558 status = write16(state, SCU_RAM_AGC_INGAIN_TGT_MAX__A, state->m_dvbtIfAgcCfg.IngainTgtMax);
3559error:
3560 if (status < 0)
3561 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
3562 return status;
3563}
3564
3565/*============================================================================*/
3566
3567/**
3568* \brief Initialize channelswitch-independent settings for DVBT.
3569* \param demod instance of demodulator.
3570* \return DRXStatus_t.
3571*
3572* For ROM code channel filter taps are loaded from the bootloader. For microcode
3573* the DVB-T taps from the drxk_filters.h are used.
3574*/
3575static int SetDVBTStandard(struct drxk_state *state,
3576 enum OperationMode oMode)
3577{
3578 u16 cmdResult = 0;
3579 u16 data = 0;
3580 int status;
3581
3582 dprintk(1, "\n");
3583
3584 PowerUpDVBT(state);
3585 /* added antenna switch */
3586 SwitchAntennaToDVBT(state);
3587 /* send OFDM reset command */
3588 status = scu_command(state, SCU_RAM_COMMAND_STANDARD_OFDM | SCU_RAM_COMMAND_CMD_DEMOD_RESET, 0, NULL, 1, &cmdResult);
3589 if (status < 0)
3590 goto error;
3591
3592 /* send OFDM setenv command */
3593 status = scu_command(state, SCU_RAM_COMMAND_STANDARD_OFDM | SCU_RAM_COMMAND_CMD_DEMOD_SET_ENV, 0, NULL, 1, &cmdResult);
3594 if (status < 0)
3595 goto error;
3596
3597 /* reset datapath for OFDM, processors first */
3598 status = write16(state, OFDM_SC_COMM_EXEC__A, OFDM_SC_COMM_EXEC_STOP);
3599 if (status < 0)
3600 goto error;
3601 status = write16(state, OFDM_LC_COMM_EXEC__A, OFDM_LC_COMM_EXEC_STOP);
3602 if (status < 0)
3603 goto error;
3604 status = write16(state, IQM_COMM_EXEC__A, IQM_COMM_EXEC_B_STOP);
3605 if (status < 0)
3606 goto error;
3607
3608 /* IQM setup */
3609 /* synchronize on ofdstate->m_festart */
3610 status = write16(state, IQM_AF_UPD_SEL__A, 1);
3611 if (status < 0)
3612 goto error;
3613 /* window size for clipping ADC detection */
3614 status = write16(state, IQM_AF_CLP_LEN__A, 0);
3615 if (status < 0)
3616 goto error;
3617 /* window size for for sense pre-SAW detection */
3618 status = write16(state, IQM_AF_SNS_LEN__A, 0);
3619 if (status < 0)
3620 goto error;
3621 /* sense threshold for sense pre-SAW detection */
3622 status = write16(state, IQM_AF_AMUX__A, IQM_AF_AMUX_SIGNAL2ADC);
3623 if (status < 0)
3624 goto error;
3625 status = SetIqmAf(state, true);
3626 if (status < 0)
3627 goto error;
3628
3629 status = write16(state, IQM_AF_AGC_RF__A, 0);
3630 if (status < 0)
3631 goto error;
3632
3633 /* Impulse noise cruncher setup */
3634 status = write16(state, IQM_AF_INC_LCT__A, 0); /* crunch in IQM_CF */
3635 if (status < 0)
3636 goto error;
3637 status = write16(state, IQM_CF_DET_LCT__A, 0); /* detect in IQM_CF */
3638 if (status < 0)
3639 goto error;
3640 status = write16(state, IQM_CF_WND_LEN__A, 3); /* peak detector window length */
3641 if (status < 0)
3642 goto error;
3643
3644 status = write16(state, IQM_RC_STRETCH__A, 16);
3645 if (status < 0)
3646 goto error;
3647 status = write16(state, IQM_CF_OUT_ENA__A, 0x4); /* enable output 2 */
3648 if (status < 0)
3649 goto error;
3650 status = write16(state, IQM_CF_DS_ENA__A, 0x4); /* decimate output 2 */
3651 if (status < 0)
3652 goto error;
3653 status = write16(state, IQM_CF_SCALE__A, 1600);
3654 if (status < 0)
3655 goto error;
3656 status = write16(state, IQM_CF_SCALE_SH__A, 0);
3657 if (status < 0)
3658 goto error;
3659
3660 /* virtual clipping threshold for clipping ADC detection */
3661 status = write16(state, IQM_AF_CLP_TH__A, 448);
3662 if (status < 0)
3663 goto error;
3664 status = write16(state, IQM_CF_DATATH__A, 495); /* crunching threshold */
3665 if (status < 0)
3666 goto error;
3667
3668 status = BLChainCmd(state, DRXK_BL_ROM_OFFSET_TAPS_DVBT, DRXK_BLCC_NR_ELEMENTS_TAPS, DRXK_BLC_TIMEOUT);
3669 if (status < 0)
3670 goto error;
3671
3672 status = write16(state, IQM_CF_PKDTH__A, 2); /* peak detector threshold */
3673 if (status < 0)
3674 goto error;
3675 status = write16(state, IQM_CF_POW_MEAS_LEN__A, 2);
3676 if (status < 0)
3677 goto error;
3678 /* enable power measurement interrupt */
3679 status = write16(state, IQM_CF_COMM_INT_MSK__A, 1);
3680 if (status < 0)
3681 goto error;
3682 status = write16(state, IQM_COMM_EXEC__A, IQM_COMM_EXEC_B_ACTIVE);
3683 if (status < 0)
3684 goto error;
3685
3686 /* IQM will not be reset from here, sync ADC and update/init AGC */
3687 status = ADCSynchronization(state);
3688 if (status < 0)
3689 goto error;
3690 status = SetPreSaw(state, &state->m_dvbtPreSawCfg);
3691 if (status < 0)
3692 goto error;
3693
3694 /* Halt SCU to enable safe non-atomic accesses */
3695 status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_HOLD);
3696 if (status < 0)
3697 goto error;
3698
3699 status = SetAgcRf(state, &state->m_dvbtRfAgcCfg, true);
3700 if (status < 0)
3701 goto error;
3702 status = SetAgcIf(state, &state->m_dvbtIfAgcCfg, true);
3703 if (status < 0)
3704 goto error;
3705
3706 /* Set Noise Estimation notch width and enable DC fix */
3707 status = read16(state, OFDM_SC_RA_RAM_CONFIG__A, &data);
3708 if (status < 0)
3709 goto error;
3710 data |= OFDM_SC_RA_RAM_CONFIG_NE_FIX_ENABLE__M;
3711 status = write16(state, OFDM_SC_RA_RAM_CONFIG__A, data);
3712 if (status < 0)
3713 goto error;
3714
3715 /* Activate SCU to enable SCU commands */
3716 status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_ACTIVE);
3717 if (status < 0)
3718 goto error;
3719
3720 if (!state->m_DRXK_A3_ROM_CODE) {
3721 /* AGCInit() is not done for DVBT, so set agcFastClipCtrlDelay */
3722 status = write16(state, SCU_RAM_AGC_FAST_CLP_CTRL_DELAY__A, state->m_dvbtIfAgcCfg.FastClipCtrlDelay);
3723 if (status < 0)
3724 goto error;
3725 }
3726
3727 /* OFDM_SC setup */
3728#ifdef COMPILE_FOR_NONRT
3729 status = write16(state, OFDM_SC_RA_RAM_BE_OPT_DELAY__A, 1);
3730 if (status < 0)
3731 goto error;
3732 status = write16(state, OFDM_SC_RA_RAM_BE_OPT_INIT_DELAY__A, 2);
3733 if (status < 0)
3734 goto error;
3735#endif
3736
3737 /* FEC setup */
3738 status = write16(state, FEC_DI_INPUT_CTL__A, 1); /* OFDM input */
3739 if (status < 0)
3740 goto error;
3741
3742
3743#ifdef COMPILE_FOR_NONRT
3744 status = write16(state, FEC_RS_MEASUREMENT_PERIOD__A, 0x400);
3745 if (status < 0)
3746 goto error;
3747#else
3748 status = write16(state, FEC_RS_MEASUREMENT_PERIOD__A, 0x1000);
3749 if (status < 0)
3750 goto error;
3751#endif
3752 status = write16(state, FEC_RS_MEASUREMENT_PRESCALE__A, 0x0001);
3753 if (status < 0)
3754 goto error;
3755
3756 /* Setup MPEG bus */
3757 status = MPEGTSDtoSetup(state, OM_DVBT);
3758 if (status < 0)
3759 goto error;
3760 /* Set DVBT Presets */
3761 status = DVBTActivatePresets(state);
3762 if (status < 0)
3763 goto error;
3764
3765error:
3766 if (status < 0)
3767 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
3768 return status;
3769}
3770
3771/*============================================================================*/
3772/**
3773* \brief Start dvbt demodulating for channel.
3774* \param demod instance of demodulator.
3775* \return DRXStatus_t.
3776*/
3777static int DVBTStart(struct drxk_state *state)
3778{
3779 u16 param1;
3780 int status;
3781 /* DRXKOfdmScCmd_t scCmd; */
3782
3783 dprintk(1, "\n");
3784 /* Start correct processes to get in lock */
3785 /* DRXK: OFDM_SC_RA_RAM_PROC_LOCKTRACK is no longer in mapfile! */
3786 param1 = OFDM_SC_RA_RAM_LOCKTRACK_MIN;
3787 status = DVBTScCommand(state, OFDM_SC_RA_RAM_CMD_PROC_START, 0, OFDM_SC_RA_RAM_SW_EVENT_RUN_NMASK__M, param1, 0, 0, 0);
3788 if (status < 0)
3789 goto error;
3790 /* Start FEC OC */
3791 status = MPEGTSStart(state);
3792 if (status < 0)
3793 goto error;
3794 status = write16(state, FEC_COMM_EXEC__A, FEC_COMM_EXEC_ACTIVE);
3795 if (status < 0)
3796 goto error;
3797error:
3798 if (status < 0)
3799 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
3800 return status;
3801}
3802
3803
3804/*============================================================================*/
3805
3806/**
3807* \brief Set up dvbt demodulator for channel.
3808* \param demod instance of demodulator.
3809* \return DRXStatus_t.
3810* // original DVBTSetChannel()
3811*/
3812static int SetDVBT(struct drxk_state *state, u16 IntermediateFreqkHz,
3813 s32 tunerFreqOffset)
3814{
3815 u16 cmdResult = 0;
3816 u16 transmissionParams = 0;
3817 u16 operationMode = 0;
3818 u32 iqmRcRateOfs = 0;
3819 u32 bandwidth = 0;
3820 u16 param1;
3821 int status;
3822
3823 dprintk(1, "IF =%d, TFO = %d\n", IntermediateFreqkHz, tunerFreqOffset);
3824
3825 status = scu_command(state, SCU_RAM_COMMAND_STANDARD_OFDM | SCU_RAM_COMMAND_CMD_DEMOD_STOP, 0, NULL, 1, &cmdResult);
3826 if (status < 0)
3827 goto error;
3828
3829 /* Halt SCU to enable safe non-atomic accesses */
3830 status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_HOLD);
3831 if (status < 0)
3832 goto error;
3833
3834 /* Stop processors */
3835 status = write16(state, OFDM_SC_COMM_EXEC__A, OFDM_SC_COMM_EXEC_STOP);
3836 if (status < 0)
3837 goto error;
3838 status = write16(state, OFDM_LC_COMM_EXEC__A, OFDM_LC_COMM_EXEC_STOP);
3839 if (status < 0)
3840 goto error;
3841
3842 /* Mandatory fix, always stop CP, required to set spl offset back to
3843 hardware default (is set to 0 by ucode during pilot detection */
3844 status = write16(state, OFDM_CP_COMM_EXEC__A, OFDM_CP_COMM_EXEC_STOP);
3845 if (status < 0)
3846 goto error;
3847
3848 /*== Write channel settings to device =====================================*/
3849
3850 /* mode */
3851 switch (state->props.transmission_mode) {
3852 case TRANSMISSION_MODE_AUTO:
3853 default:
3854 operationMode |= OFDM_SC_RA_RAM_OP_AUTO_MODE__M;
3855 /* fall through , try first guess DRX_FFTMODE_8K */
3856 case TRANSMISSION_MODE_8K:
3857 transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_MODE_8K;
3858 break;
3859 case TRANSMISSION_MODE_2K:
3860 transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_MODE_2K;
3861 break;
3862 }
3863
3864 /* guard */
3865 switch (state->props.guard_interval) {
3866 default:
3867 case GUARD_INTERVAL_AUTO:
3868 operationMode |= OFDM_SC_RA_RAM_OP_AUTO_GUARD__M;
3869 /* fall through , try first guess DRX_GUARD_1DIV4 */
3870 case GUARD_INTERVAL_1_4:
3871 transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_GUARD_4;
3872 break;
3873 case GUARD_INTERVAL_1_32:
3874 transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_GUARD_32;
3875 break;
3876 case GUARD_INTERVAL_1_16:
3877 transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_GUARD_16;
3878 break;
3879 case GUARD_INTERVAL_1_8:
3880 transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_GUARD_8;
3881 break;
3882 }
3883
3884 /* hierarchy */
3885 switch (state->props.hierarchy) {
3886 case HIERARCHY_AUTO:
3887 case HIERARCHY_NONE:
3888 default:
3889 operationMode |= OFDM_SC_RA_RAM_OP_AUTO_HIER__M;
3890 /* fall through , try first guess SC_RA_RAM_OP_PARAM_HIER_NO */
3891 /* transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_HIER_NO; */
3892 /* break; */
3893 case HIERARCHY_1:
3894 transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_HIER_A1;
3895 break;
3896 case HIERARCHY_2:
3897 transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_HIER_A2;
3898 break;
3899 case HIERARCHY_4:
3900 transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_HIER_A4;
3901 break;
3902 }
3903
3904
3905 /* modulation */
3906 switch (state->props.modulation) {
3907 case QAM_AUTO:
3908 default:
3909 operationMode |= OFDM_SC_RA_RAM_OP_AUTO_CONST__M;
3910 /* fall through , try first guess DRX_CONSTELLATION_QAM64 */
3911 case QAM_64:
3912 transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_CONST_QAM64;
3913 break;
3914 case QPSK:
3915 transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_CONST_QPSK;
3916 break;
3917 case QAM_16:
3918 transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_CONST_QAM16;
3919 break;
3920 }
3921#if 0
3922 /* No hierachical channels support in BDA */
3923 /* Priority (only for hierarchical channels) */
3924 switch (channel->priority) {
3925 case DRX_PRIORITY_LOW:
3926 transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_PRIO_LO;
3927 WR16(devAddr, OFDM_EC_SB_PRIOR__A,
3928 OFDM_EC_SB_PRIOR_LO);
3929 break;
3930 case DRX_PRIORITY_HIGH:
3931 transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_PRIO_HI;
3932 WR16(devAddr, OFDM_EC_SB_PRIOR__A,
3933 OFDM_EC_SB_PRIOR_HI));
3934 break;
3935 case DRX_PRIORITY_UNKNOWN: /* fall through */
3936 default:
3937 status = -EINVAL;
3938 goto error;
3939 }
3940#else
3941 /* Set Priorty high */
3942 transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_PRIO_HI;
3943 status = write16(state, OFDM_EC_SB_PRIOR__A, OFDM_EC_SB_PRIOR_HI);
3944 if (status < 0)
3945 goto error;
3946#endif
3947
3948 /* coderate */
3949 switch (state->props.code_rate_HP) {
3950 case FEC_AUTO:
3951 default:
3952 operationMode |= OFDM_SC_RA_RAM_OP_AUTO_RATE__M;
3953 /* fall through , try first guess DRX_CODERATE_2DIV3 */
3954 case FEC_2_3:
3955 transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_RATE_2_3;
3956 break;
3957 case FEC_1_2:
3958 transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_RATE_1_2;
3959 break;
3960 case FEC_3_4:
3961 transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_RATE_3_4;
3962 break;
3963 case FEC_5_6:
3964 transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_RATE_5_6;
3965 break;
3966 case FEC_7_8:
3967 transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_RATE_7_8;
3968 break;
3969 }
3970
3971 /* SAW filter selection: normaly not necesarry, but if wanted
3972 the application can select a SAW filter via the driver by using UIOs */
3973 /* First determine real bandwidth (Hz) */
3974 /* Also set delay for impulse noise cruncher */
3975 /* Also set parameters for EC_OC fix, note EC_OC_REG_TMD_HIL_MAR is changed
3976 by SC for fix for some 8K,1/8 guard but is restored by InitEC and ResetEC
3977 functions */
3978 switch (state->props.bandwidth_hz) {
3979 case 0:
3980 state->props.bandwidth_hz = 8000000;
3981 /* fall though */
3982 case 8000000:
3983 bandwidth = DRXK_BANDWIDTH_8MHZ_IN_HZ;
3984 status = write16(state, OFDM_SC_RA_RAM_SRMM_FIX_FACT_8K__A, 3052);
3985 if (status < 0)
3986 goto error;
3987 /* cochannel protection for PAL 8 MHz */
3988 status = write16(state, OFDM_SC_RA_RAM_NI_INIT_8K_PER_LEFT__A, 7);
3989 if (status < 0)
3990 goto error;
3991 status = write16(state, OFDM_SC_RA_RAM_NI_INIT_8K_PER_RIGHT__A, 7);
3992 if (status < 0)
3993 goto error;
3994 status = write16(state, OFDM_SC_RA_RAM_NI_INIT_2K_PER_LEFT__A, 7);
3995 if (status < 0)
3996 goto error;
3997 status = write16(state, OFDM_SC_RA_RAM_NI_INIT_2K_PER_RIGHT__A, 1);
3998 if (status < 0)
3999 goto error;
4000 break;
4001 case 7000000:
4002 bandwidth = DRXK_BANDWIDTH_7MHZ_IN_HZ;
4003 status = write16(state, OFDM_SC_RA_RAM_SRMM_FIX_FACT_8K__A, 3491);
4004 if (status < 0)
4005 goto error;
4006 /* cochannel protection for PAL 7 MHz */
4007 status = write16(state, OFDM_SC_RA_RAM_NI_INIT_8K_PER_LEFT__A, 8);
4008 if (status < 0)
4009 goto error;
4010 status = write16(state, OFDM_SC_RA_RAM_NI_INIT_8K_PER_RIGHT__A, 8);
4011 if (status < 0)
4012 goto error;
4013 status = write16(state, OFDM_SC_RA_RAM_NI_INIT_2K_PER_LEFT__A, 4);
4014 if (status < 0)
4015 goto error;
4016 status = write16(state, OFDM_SC_RA_RAM_NI_INIT_2K_PER_RIGHT__A, 1);
4017 if (status < 0)
4018 goto error;
4019 break;
4020 case 6000000:
4021 bandwidth = DRXK_BANDWIDTH_6MHZ_IN_HZ;
4022 status = write16(state, OFDM_SC_RA_RAM_SRMM_FIX_FACT_8K__A, 4073);
4023 if (status < 0)
4024 goto error;
4025 /* cochannel protection for NTSC 6 MHz */
4026 status = write16(state, OFDM_SC_RA_RAM_NI_INIT_8K_PER_LEFT__A, 19);
4027 if (status < 0)
4028 goto error;
4029 status = write16(state, OFDM_SC_RA_RAM_NI_INIT_8K_PER_RIGHT__A, 19);
4030 if (status < 0)
4031 goto error;
4032 status = write16(state, OFDM_SC_RA_RAM_NI_INIT_2K_PER_LEFT__A, 14);
4033 if (status < 0)
4034 goto error;
4035 status = write16(state, OFDM_SC_RA_RAM_NI_INIT_2K_PER_RIGHT__A, 1);
4036 if (status < 0)
4037 goto error;
4038 break;
4039 default:
4040 status = -EINVAL;
4041 goto error;
4042 }
4043
4044 if (iqmRcRateOfs == 0) {
4045 /* Now compute IQM_RC_RATE_OFS
4046 (((SysFreq/BandWidth)/2)/2) -1) * 2^23)
4047 =>
4048 ((SysFreq / BandWidth) * (2^21)) - (2^23)
4049 */
4050 /* (SysFreq / BandWidth) * (2^28) */
4051 /* assert (MAX(sysClk)/MIN(bandwidth) < 16)
4052 => assert(MAX(sysClk) < 16*MIN(bandwidth))
4053 => assert(109714272 > 48000000) = true so Frac 28 can be used */
4054 iqmRcRateOfs = Frac28a((u32)
4055 ((state->m_sysClockFreq *
4056 1000) / 3), bandwidth);
4057 /* (SysFreq / BandWidth) * (2^21), rounding before truncating */
4058 if ((iqmRcRateOfs & 0x7fL) >= 0x40)
4059 iqmRcRateOfs += 0x80L;
4060 iqmRcRateOfs = iqmRcRateOfs >> 7;
4061 /* ((SysFreq / BandWidth) * (2^21)) - (2^23) */
4062 iqmRcRateOfs = iqmRcRateOfs - (1 << 23);
4063 }
4064
4065 iqmRcRateOfs &=
4066 ((((u32) IQM_RC_RATE_OFS_HI__M) <<
4067 IQM_RC_RATE_OFS_LO__W) | IQM_RC_RATE_OFS_LO__M);
4068 status = write32(state, IQM_RC_RATE_OFS_LO__A, iqmRcRateOfs);
4069 if (status < 0)
4070 goto error;
4071
4072 /* Bandwidth setting done */
4073
4074#if 0
4075 status = DVBTSetFrequencyShift(demod, channel, tunerOffset);
4076 if (status < 0)
4077 goto error;
4078#endif
4079 status = SetFrequencyShifter(state, IntermediateFreqkHz, tunerFreqOffset, true);
4080 if (status < 0)
4081 goto error;
4082
4083 /*== Start SC, write channel settings to SC ===============================*/
4084
4085 /* Activate SCU to enable SCU commands */
4086 status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_ACTIVE);
4087 if (status < 0)
4088 goto error;
4089
4090 /* Enable SC after setting all other parameters */
4091 status = write16(state, OFDM_SC_COMM_STATE__A, 0);
4092 if (status < 0)
4093 goto error;
4094 status = write16(state, OFDM_SC_COMM_EXEC__A, 1);
4095 if (status < 0)
4096 goto error;
4097
4098
4099 status = scu_command(state, SCU_RAM_COMMAND_STANDARD_OFDM | SCU_RAM_COMMAND_CMD_DEMOD_START, 0, NULL, 1, &cmdResult);
4100 if (status < 0)
4101 goto error;
4102
4103 /* Write SC parameter registers, set all AUTO flags in operation mode */
4104 param1 = (OFDM_SC_RA_RAM_OP_AUTO_MODE__M |
4105 OFDM_SC_RA_RAM_OP_AUTO_GUARD__M |
4106 OFDM_SC_RA_RAM_OP_AUTO_CONST__M |
4107 OFDM_SC_RA_RAM_OP_AUTO_HIER__M |
4108 OFDM_SC_RA_RAM_OP_AUTO_RATE__M);
4109 status = DVBTScCommand(state, OFDM_SC_RA_RAM_CMD_SET_PREF_PARAM,
4110 0, transmissionParams, param1, 0, 0, 0);
4111 if (status < 0)
4112 goto error;
4113
4114 if (!state->m_DRXK_A3_ROM_CODE)
4115 status = DVBTCtrlSetSqiSpeed(state, &state->m_sqiSpeed);
4116error:
4117 if (status < 0)
4118 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
4119
4120 return status;
4121}
4122
4123
4124/*============================================================================*/
4125
4126/**
4127* \brief Retreive lock status .
4128* \param demod Pointer to demodulator instance.
4129* \param lockStat Pointer to lock status structure.
4130* \return DRXStatus_t.
4131*
4132*/
4133static int GetDVBTLockStatus(struct drxk_state *state, u32 *pLockStatus)
4134{
4135 int status;
4136 const u16 mpeg_lock_mask = (OFDM_SC_RA_RAM_LOCK_MPEG__M |
4137 OFDM_SC_RA_RAM_LOCK_FEC__M);
4138 const u16 fec_lock_mask = (OFDM_SC_RA_RAM_LOCK_FEC__M);
4139 const u16 demod_lock_mask = OFDM_SC_RA_RAM_LOCK_DEMOD__M;
4140
4141 u16 ScRaRamLock = 0;
4142 u16 ScCommExec = 0;
4143
4144 dprintk(1, "\n");
4145
4146 *pLockStatus = NOT_LOCKED;
4147 /* driver 0.9.0 */
4148 /* Check if SC is running */
4149 status = read16(state, OFDM_SC_COMM_EXEC__A, &ScCommExec);
4150 if (status < 0)
4151 goto end;
4152 if (ScCommExec == OFDM_SC_COMM_EXEC_STOP)
4153 goto end;
4154
4155 status = read16(state, OFDM_SC_RA_RAM_LOCK__A, &ScRaRamLock);
4156 if (status < 0)
4157 goto end;
4158
4159 if ((ScRaRamLock & mpeg_lock_mask) == mpeg_lock_mask)
4160 *pLockStatus = MPEG_LOCK;
4161 else if ((ScRaRamLock & fec_lock_mask) == fec_lock_mask)
4162 *pLockStatus = FEC_LOCK;
4163 else if ((ScRaRamLock & demod_lock_mask) == demod_lock_mask)
4164 *pLockStatus = DEMOD_LOCK;
4165 else if (ScRaRamLock & OFDM_SC_RA_RAM_LOCK_NODVBT__M)
4166 *pLockStatus = NEVER_LOCK;
4167end:
4168 if (status < 0)
4169 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
4170
4171 return status;
4172}
4173
4174static int PowerUpQAM(struct drxk_state *state)
4175{
4176 enum DRXPowerMode powerMode = DRXK_POWER_DOWN_OFDM;
4177 int status;
4178
4179 dprintk(1, "\n");
4180 status = CtrlPowerMode(state, &powerMode);
4181 if (status < 0)
4182 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
4183
4184 return status;
4185}
4186
4187
4188/** Power Down QAM */
4189static int PowerDownQAM(struct drxk_state *state)
4190{
4191 u16 data = 0;
4192 u16 cmdResult;
4193 int status = 0;
4194
4195 dprintk(1, "\n");
4196 status = read16(state, SCU_COMM_EXEC__A, &data);
4197 if (status < 0)
4198 goto error;
4199 if (data == SCU_COMM_EXEC_ACTIVE) {
4200 /*
4201 STOP demodulator
4202 QAM and HW blocks
4203 */
4204 /* stop all comstate->m_exec */
4205 status = write16(state, QAM_COMM_EXEC__A, QAM_COMM_EXEC_STOP);
4206 if (status < 0)
4207 goto error;
4208 status = scu_command(state, SCU_RAM_COMMAND_STANDARD_QAM | SCU_RAM_COMMAND_CMD_DEMOD_STOP, 0, NULL, 1, &cmdResult);
4209 if (status < 0)
4210 goto error;
4211 }
4212 /* powerdown AFE */
4213 status = SetIqmAf(state, false);
4214
4215error:
4216 if (status < 0)
4217 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
4218
4219 return status;
4220}
4221
4222/*============================================================================*/
4223
4224/**
4225* \brief Setup of the QAM Measurement intervals for signal quality
4226* \param demod instance of demod.
4227* \param modulation current modulation.
4228* \return DRXStatus_t.
4229*
4230* NOTE:
4231* Take into account that for certain settings the errorcounters can overflow.
4232* The implementation does not check this.
4233*
4234*/
4235static int SetQAMMeasurement(struct drxk_state *state,
4236 enum EDrxkConstellation modulation,
4237 u32 symbolRate)
4238{
4239 u32 fecBitsDesired = 0; /* BER accounting period */
4240 u32 fecRsPeriodTotal = 0; /* Total period */
4241 u16 fecRsPrescale = 0; /* ReedSolomon Measurement Prescale */
4242 u16 fecRsPeriod = 0; /* Value for corresponding I2C register */
4243 int status = 0;
4244
4245 dprintk(1, "\n");
4246
4247 fecRsPrescale = 1;
4248 /* fecBitsDesired = symbolRate [kHz] *
4249 FrameLenght [ms] *
4250 (modulation + 1) *
4251 SyncLoss (== 1) *
4252 ViterbiLoss (==1)
4253 */
4254 switch (modulation) {
4255 case DRX_CONSTELLATION_QAM16:
4256 fecBitsDesired = 4 * symbolRate;
4257 break;
4258 case DRX_CONSTELLATION_QAM32:
4259 fecBitsDesired = 5 * symbolRate;
4260 break;
4261 case DRX_CONSTELLATION_QAM64:
4262 fecBitsDesired = 6 * symbolRate;
4263 break;
4264 case DRX_CONSTELLATION_QAM128:
4265 fecBitsDesired = 7 * symbolRate;
4266 break;
4267 case DRX_CONSTELLATION_QAM256:
4268 fecBitsDesired = 8 * symbolRate;
4269 break;
4270 default:
4271 status = -EINVAL;
4272 }
4273 if (status < 0)
4274 goto error;
4275
4276 fecBitsDesired /= 1000; /* symbolRate [Hz] -> symbolRate [kHz] */
4277 fecBitsDesired *= 500; /* meas. period [ms] */
4278
4279 /* Annex A/C: bits/RsPeriod = 204 * 8 = 1632 */
4280 /* fecRsPeriodTotal = fecBitsDesired / 1632 */
4281 fecRsPeriodTotal = (fecBitsDesired / 1632UL) + 1; /* roughly ceil */
4282
4283 /* fecRsPeriodTotal = fecRsPrescale * fecRsPeriod */
4284 fecRsPrescale = 1 + (u16) (fecRsPeriodTotal >> 16);
4285 if (fecRsPrescale == 0) {
4286 /* Divide by zero (though impossible) */
4287 status = -EINVAL;
4288 if (status < 0)
4289 goto error;
4290 }
4291 fecRsPeriod =
4292 ((u16) fecRsPeriodTotal +
4293 (fecRsPrescale >> 1)) / fecRsPrescale;
4294
4295 /* write corresponding registers */
4296 status = write16(state, FEC_RS_MEASUREMENT_PERIOD__A, fecRsPeriod);
4297 if (status < 0)
4298 goto error;
4299 status = write16(state, FEC_RS_MEASUREMENT_PRESCALE__A, fecRsPrescale);
4300 if (status < 0)
4301 goto error;
4302 status = write16(state, FEC_OC_SNC_FAIL_PERIOD__A, fecRsPeriod);
4303error:
4304 if (status < 0)
4305 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
4306 return status;
4307}
4308
4309static int SetQAM16(struct drxk_state *state)
4310{
4311 int status = 0;
4312
4313 dprintk(1, "\n");
4314 /* QAM Equalizer Setup */
4315 /* Equalizer */
4316 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD0__A, 13517);
4317 if (status < 0)
4318 goto error;
4319 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD1__A, 13517);
4320 if (status < 0)
4321 goto error;
4322 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD2__A, 13517);
4323 if (status < 0)
4324 goto error;
4325 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD3__A, 13517);
4326 if (status < 0)
4327 goto error;
4328 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD4__A, 13517);
4329 if (status < 0)
4330 goto error;
4331 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD5__A, 13517);
4332 if (status < 0)
4333 goto error;
4334 /* Decision Feedback Equalizer */
4335 status = write16(state, QAM_DQ_QUAL_FUN0__A, 2);
4336 if (status < 0)
4337 goto error;
4338 status = write16(state, QAM_DQ_QUAL_FUN1__A, 2);
4339 if (status < 0)
4340 goto error;
4341 status = write16(state, QAM_DQ_QUAL_FUN2__A, 2);
4342 if (status < 0)
4343 goto error;
4344 status = write16(state, QAM_DQ_QUAL_FUN3__A, 2);
4345 if (status < 0)
4346 goto error;
4347 status = write16(state, QAM_DQ_QUAL_FUN4__A, 2);
4348 if (status < 0)
4349 goto error;
4350 status = write16(state, QAM_DQ_QUAL_FUN5__A, 0);
4351 if (status < 0)
4352 goto error;
4353
4354 status = write16(state, QAM_SY_SYNC_HWM__A, 5);
4355 if (status < 0)
4356 goto error;
4357 status = write16(state, QAM_SY_SYNC_AWM__A, 4);
4358 if (status < 0)
4359 goto error;
4360 status = write16(state, QAM_SY_SYNC_LWM__A, 3);
4361 if (status < 0)
4362 goto error;
4363
4364 /* QAM Slicer Settings */
4365 status = write16(state, SCU_RAM_QAM_SL_SIG_POWER__A, DRXK_QAM_SL_SIG_POWER_QAM16);
4366 if (status < 0)
4367 goto error;
4368
4369 /* QAM Loop Controller Coeficients */
4370 status = write16(state, SCU_RAM_QAM_LC_CA_FINE__A, 15);
4371 if (status < 0)
4372 goto error;
4373 status = write16(state, SCU_RAM_QAM_LC_CA_COARSE__A, 40);
4374 if (status < 0)
4375 goto error;
4376 status = write16(state, SCU_RAM_QAM_LC_EP_FINE__A, 12);
4377 if (status < 0)
4378 goto error;
4379 status = write16(state, SCU_RAM_QAM_LC_EP_MEDIUM__A, 24);
4380 if (status < 0)
4381 goto error;
4382 status = write16(state, SCU_RAM_QAM_LC_EP_COARSE__A, 24);
4383 if (status < 0)
4384 goto error;
4385 status = write16(state, SCU_RAM_QAM_LC_EI_FINE__A, 12);
4386 if (status < 0)
4387 goto error;
4388 status = write16(state, SCU_RAM_QAM_LC_EI_MEDIUM__A, 16);
4389 if (status < 0)
4390 goto error;
4391 status = write16(state, SCU_RAM_QAM_LC_EI_COARSE__A, 16);
4392 if (status < 0)
4393 goto error;
4394
4395 status = write16(state, SCU_RAM_QAM_LC_CP_FINE__A, 5);
4396 if (status < 0)
4397 goto error;
4398 status = write16(state, SCU_RAM_QAM_LC_CP_MEDIUM__A, 20);
4399 if (status < 0)
4400 goto error;
4401 status = write16(state, SCU_RAM_QAM_LC_CP_COARSE__A, 80);
4402 if (status < 0)
4403 goto error;
4404 status = write16(state, SCU_RAM_QAM_LC_CI_FINE__A, 5);
4405 if (status < 0)
4406 goto error;
4407 status = write16(state, SCU_RAM_QAM_LC_CI_MEDIUM__A, 20);
4408 if (status < 0)
4409 goto error;
4410 status = write16(state, SCU_RAM_QAM_LC_CI_COARSE__A, 50);
4411 if (status < 0)
4412 goto error;
4413 status = write16(state, SCU_RAM_QAM_LC_CF_FINE__A, 16);
4414 if (status < 0)
4415 goto error;
4416 status = write16(state, SCU_RAM_QAM_LC_CF_MEDIUM__A, 16);
4417 if (status < 0)
4418 goto error;
4419 status = write16(state, SCU_RAM_QAM_LC_CF_COARSE__A, 32);
4420 if (status < 0)
4421 goto error;
4422 status = write16(state, SCU_RAM_QAM_LC_CF1_FINE__A, 5);
4423 if (status < 0)
4424 goto error;
4425 status = write16(state, SCU_RAM_QAM_LC_CF1_MEDIUM__A, 10);
4426 if (status < 0)
4427 goto error;
4428 status = write16(state, SCU_RAM_QAM_LC_CF1_COARSE__A, 10);
4429 if (status < 0)
4430 goto error;
4431
4432
4433 /* QAM State Machine (FSM) Thresholds */
4434
4435 status = write16(state, SCU_RAM_QAM_FSM_RTH__A, 140);
4436 if (status < 0)
4437 goto error;
4438 status = write16(state, SCU_RAM_QAM_FSM_FTH__A, 50);
4439 if (status < 0)
4440 goto error;
4441 status = write16(state, SCU_RAM_QAM_FSM_CTH__A, 95);
4442 if (status < 0)
4443 goto error;
4444 status = write16(state, SCU_RAM_QAM_FSM_PTH__A, 120);
4445 if (status < 0)
4446 goto error;
4447 status = write16(state, SCU_RAM_QAM_FSM_QTH__A, 230);
4448 if (status < 0)
4449 goto error;
4450 status = write16(state, SCU_RAM_QAM_FSM_MTH__A, 105);
4451 if (status < 0)
4452 goto error;
4453
4454 status = write16(state, SCU_RAM_QAM_FSM_RATE_LIM__A, 40);
4455 if (status < 0)
4456 goto error;
4457 status = write16(state, SCU_RAM_QAM_FSM_COUNT_LIM__A, 4);
4458 if (status < 0)
4459 goto error;
4460 status = write16(state, SCU_RAM_QAM_FSM_FREQ_LIM__A, 24);
4461 if (status < 0)
4462 goto error;
4463
4464
4465 /* QAM FSM Tracking Parameters */
4466
4467 status = write16(state, SCU_RAM_QAM_FSM_MEDIAN_AV_MULT__A, (u16) 16);
4468 if (status < 0)
4469 goto error;
4470 status = write16(state, SCU_RAM_QAM_FSM_RADIUS_AV_LIMIT__A, (u16) 220);
4471 if (status < 0)
4472 goto error;
4473 status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET1__A, (u16) 25);
4474 if (status < 0)
4475 goto error;
4476 status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET2__A, (u16) 6);
4477 if (status < 0)
4478 goto error;
4479 status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET3__A, (u16) -24);
4480 if (status < 0)
4481 goto error;
4482 status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET4__A, (u16) -65);
4483 if (status < 0)
4484 goto error;
4485 status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET5__A, (u16) -127);
4486 if (status < 0)
4487 goto error;
4488
4489error:
4490 if (status < 0)
4491 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
4492 return status;
4493}
4494
4495/*============================================================================*/
4496
4497/**
4498* \brief QAM32 specific setup
4499* \param demod instance of demod.
4500* \return DRXStatus_t.
4501*/
4502static int SetQAM32(struct drxk_state *state)
4503{
4504 int status = 0;
4505
4506 dprintk(1, "\n");
4507
4508 /* QAM Equalizer Setup */
4509 /* Equalizer */
4510 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD0__A, 6707);
4511 if (status < 0)
4512 goto error;
4513 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD1__A, 6707);
4514 if (status < 0)
4515 goto error;
4516 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD2__A, 6707);
4517 if (status < 0)
4518 goto error;
4519 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD3__A, 6707);
4520 if (status < 0)
4521 goto error;
4522 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD4__A, 6707);
4523 if (status < 0)
4524 goto error;
4525 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD5__A, 6707);
4526 if (status < 0)
4527 goto error;
4528
4529 /* Decision Feedback Equalizer */
4530 status = write16(state, QAM_DQ_QUAL_FUN0__A, 3);
4531 if (status < 0)
4532 goto error;
4533 status = write16(state, QAM_DQ_QUAL_FUN1__A, 3);
4534 if (status < 0)
4535 goto error;
4536 status = write16(state, QAM_DQ_QUAL_FUN2__A, 3);
4537 if (status < 0)
4538 goto error;
4539 status = write16(state, QAM_DQ_QUAL_FUN3__A, 3);
4540 if (status < 0)
4541 goto error;
4542 status = write16(state, QAM_DQ_QUAL_FUN4__A, 3);
4543 if (status < 0)
4544 goto error;
4545 status = write16(state, QAM_DQ_QUAL_FUN5__A, 0);
4546 if (status < 0)
4547 goto error;
4548
4549 status = write16(state, QAM_SY_SYNC_HWM__A, 6);
4550 if (status < 0)
4551 goto error;
4552 status = write16(state, QAM_SY_SYNC_AWM__A, 5);
4553 if (status < 0)
4554 goto error;
4555 status = write16(state, QAM_SY_SYNC_LWM__A, 3);
4556 if (status < 0)
4557 goto error;
4558
4559 /* QAM Slicer Settings */
4560
4561 status = write16(state, SCU_RAM_QAM_SL_SIG_POWER__A, DRXK_QAM_SL_SIG_POWER_QAM32);
4562 if (status < 0)
4563 goto error;
4564
4565
4566 /* QAM Loop Controller Coeficients */
4567
4568 status = write16(state, SCU_RAM_QAM_LC_CA_FINE__A, 15);
4569 if (status < 0)
4570 goto error;
4571 status = write16(state, SCU_RAM_QAM_LC_CA_COARSE__A, 40);
4572 if (status < 0)
4573 goto error;
4574 status = write16(state, SCU_RAM_QAM_LC_EP_FINE__A, 12);
4575 if (status < 0)
4576 goto error;
4577 status = write16(state, SCU_RAM_QAM_LC_EP_MEDIUM__A, 24);
4578 if (status < 0)
4579 goto error;
4580 status = write16(state, SCU_RAM_QAM_LC_EP_COARSE__A, 24);
4581 if (status < 0)
4582 goto error;
4583 status = write16(state, SCU_RAM_QAM_LC_EI_FINE__A, 12);
4584 if (status < 0)
4585 goto error;
4586 status = write16(state, SCU_RAM_QAM_LC_EI_MEDIUM__A, 16);
4587 if (status < 0)
4588 goto error;
4589 status = write16(state, SCU_RAM_QAM_LC_EI_COARSE__A, 16);
4590 if (status < 0)
4591 goto error;
4592
4593 status = write16(state, SCU_RAM_QAM_LC_CP_FINE__A, 5);
4594 if (status < 0)
4595 goto error;
4596 status = write16(state, SCU_RAM_QAM_LC_CP_MEDIUM__A, 20);
4597 if (status < 0)
4598 goto error;
4599 status = write16(state, SCU_RAM_QAM_LC_CP_COARSE__A, 80);
4600 if (status < 0)
4601 goto error;
4602 status = write16(state, SCU_RAM_QAM_LC_CI_FINE__A, 5);
4603 if (status < 0)
4604 goto error;
4605 status = write16(state, SCU_RAM_QAM_LC_CI_MEDIUM__A, 20);
4606 if (status < 0)
4607 goto error;
4608 status = write16(state, SCU_RAM_QAM_LC_CI_COARSE__A, 50);
4609 if (status < 0)
4610 goto error;
4611 status = write16(state, SCU_RAM_QAM_LC_CF_FINE__A, 16);
4612 if (status < 0)
4613 goto error;
4614 status = write16(state, SCU_RAM_QAM_LC_CF_MEDIUM__A, 16);
4615 if (status < 0)
4616 goto error;
4617 status = write16(state, SCU_RAM_QAM_LC_CF_COARSE__A, 16);
4618 if (status < 0)
4619 goto error;
4620 status = write16(state, SCU_RAM_QAM_LC_CF1_FINE__A, 5);
4621 if (status < 0)
4622 goto error;
4623 status = write16(state, SCU_RAM_QAM_LC_CF1_MEDIUM__A, 10);
4624 if (status < 0)
4625 goto error;
4626 status = write16(state, SCU_RAM_QAM_LC_CF1_COARSE__A, 0);
4627 if (status < 0)
4628 goto error;
4629
4630
4631 /* QAM State Machine (FSM) Thresholds */
4632
4633 status = write16(state, SCU_RAM_QAM_FSM_RTH__A, 90);
4634 if (status < 0)
4635 goto error;
4636 status = write16(state, SCU_RAM_QAM_FSM_FTH__A, 50);
4637 if (status < 0)
4638 goto error;
4639 status = write16(state, SCU_RAM_QAM_FSM_CTH__A, 80);
4640 if (status < 0)
4641 goto error;
4642 status = write16(state, SCU_RAM_QAM_FSM_PTH__A, 100);
4643 if (status < 0)
4644 goto error;
4645 status = write16(state, SCU_RAM_QAM_FSM_QTH__A, 170);
4646 if (status < 0)
4647 goto error;
4648 status = write16(state, SCU_RAM_QAM_FSM_MTH__A, 100);
4649 if (status < 0)
4650 goto error;
4651
4652 status = write16(state, SCU_RAM_QAM_FSM_RATE_LIM__A, 40);
4653 if (status < 0)
4654 goto error;
4655 status = write16(state, SCU_RAM_QAM_FSM_COUNT_LIM__A, 4);
4656 if (status < 0)
4657 goto error;
4658 status = write16(state, SCU_RAM_QAM_FSM_FREQ_LIM__A, 10);
4659 if (status < 0)
4660 goto error;
4661
4662
4663 /* QAM FSM Tracking Parameters */
4664
4665 status = write16(state, SCU_RAM_QAM_FSM_MEDIAN_AV_MULT__A, (u16) 12);
4666 if (status < 0)
4667 goto error;
4668 status = write16(state, SCU_RAM_QAM_FSM_RADIUS_AV_LIMIT__A, (u16) 140);
4669 if (status < 0)
4670 goto error;
4671 status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET1__A, (u16) -8);
4672 if (status < 0)
4673 goto error;
4674 status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET2__A, (u16) -16);
4675 if (status < 0)
4676 goto error;
4677 status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET3__A, (u16) -26);
4678 if (status < 0)
4679 goto error;
4680 status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET4__A, (u16) -56);
4681 if (status < 0)
4682 goto error;
4683 status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET5__A, (u16) -86);
4684error:
4685 if (status < 0)
4686 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
4687 return status;
4688}
4689
4690/*============================================================================*/
4691
4692/**
4693* \brief QAM64 specific setup
4694* \param demod instance of demod.
4695* \return DRXStatus_t.
4696*/
4697static int SetQAM64(struct drxk_state *state)
4698{
4699 int status = 0;
4700
4701 dprintk(1, "\n");
4702 /* QAM Equalizer Setup */
4703 /* Equalizer */
4704 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD0__A, 13336);
4705 if (status < 0)
4706 goto error;
4707 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD1__A, 12618);
4708 if (status < 0)
4709 goto error;
4710 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD2__A, 11988);
4711 if (status < 0)
4712 goto error;
4713 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD3__A, 13809);
4714 if (status < 0)
4715 goto error;
4716 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD4__A, 13809);
4717 if (status < 0)
4718 goto error;
4719 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD5__A, 15609);
4720 if (status < 0)
4721 goto error;
4722
4723 /* Decision Feedback Equalizer */
4724 status = write16(state, QAM_DQ_QUAL_FUN0__A, 4);
4725 if (status < 0)
4726 goto error;
4727 status = write16(state, QAM_DQ_QUAL_FUN1__A, 4);
4728 if (status < 0)
4729 goto error;
4730 status = write16(state, QAM_DQ_QUAL_FUN2__A, 4);
4731 if (status < 0)
4732 goto error;
4733 status = write16(state, QAM_DQ_QUAL_FUN3__A, 4);
4734 if (status < 0)
4735 goto error;
4736 status = write16(state, QAM_DQ_QUAL_FUN4__A, 3);
4737 if (status < 0)
4738 goto error;
4739 status = write16(state, QAM_DQ_QUAL_FUN5__A, 0);
4740 if (status < 0)
4741 goto error;
4742
4743 status = write16(state, QAM_SY_SYNC_HWM__A, 5);
4744 if (status < 0)
4745 goto error;
4746 status = write16(state, QAM_SY_SYNC_AWM__A, 4);
4747 if (status < 0)
4748 goto error;
4749 status = write16(state, QAM_SY_SYNC_LWM__A, 3);
4750 if (status < 0)
4751 goto error;
4752
4753 /* QAM Slicer Settings */
4754 status = write16(state, SCU_RAM_QAM_SL_SIG_POWER__A, DRXK_QAM_SL_SIG_POWER_QAM64);
4755 if (status < 0)
4756 goto error;
4757
4758
4759 /* QAM Loop Controller Coeficients */
4760
4761 status = write16(state, SCU_RAM_QAM_LC_CA_FINE__A, 15);
4762 if (status < 0)
4763 goto error;
4764 status = write16(state, SCU_RAM_QAM_LC_CA_COARSE__A, 40);
4765 if (status < 0)
4766 goto error;
4767 status = write16(state, SCU_RAM_QAM_LC_EP_FINE__A, 12);
4768 if (status < 0)
4769 goto error;
4770 status = write16(state, SCU_RAM_QAM_LC_EP_MEDIUM__A, 24);
4771 if (status < 0)
4772 goto error;
4773 status = write16(state, SCU_RAM_QAM_LC_EP_COARSE__A, 24);
4774 if (status < 0)
4775 goto error;
4776 status = write16(state, SCU_RAM_QAM_LC_EI_FINE__A, 12);
4777 if (status < 0)
4778 goto error;
4779 status = write16(state, SCU_RAM_QAM_LC_EI_MEDIUM__A, 16);
4780 if (status < 0)
4781 goto error;
4782 status = write16(state, SCU_RAM_QAM_LC_EI_COARSE__A, 16);
4783 if (status < 0)
4784 goto error;
4785
4786 status = write16(state, SCU_RAM_QAM_LC_CP_FINE__A, 5);
4787 if (status < 0)
4788 goto error;
4789 status = write16(state, SCU_RAM_QAM_LC_CP_MEDIUM__A, 30);
4790 if (status < 0)
4791 goto error;
4792 status = write16(state, SCU_RAM_QAM_LC_CP_COARSE__A, 100);
4793 if (status < 0)
4794 goto error;
4795 status = write16(state, SCU_RAM_QAM_LC_CI_FINE__A, 5);
4796 if (status < 0)
4797 goto error;
4798 status = write16(state, SCU_RAM_QAM_LC_CI_MEDIUM__A, 30);
4799 if (status < 0)
4800 goto error;
4801 status = write16(state, SCU_RAM_QAM_LC_CI_COARSE__A, 50);
4802 if (status < 0)
4803 goto error;
4804 status = write16(state, SCU_RAM_QAM_LC_CF_FINE__A, 16);
4805 if (status < 0)
4806 goto error;
4807 status = write16(state, SCU_RAM_QAM_LC_CF_MEDIUM__A, 25);
4808 if (status < 0)
4809 goto error;
4810 status = write16(state, SCU_RAM_QAM_LC_CF_COARSE__A, 48);
4811 if (status < 0)
4812 goto error;
4813 status = write16(state, SCU_RAM_QAM_LC_CF1_FINE__A, 5);
4814 if (status < 0)
4815 goto error;
4816 status = write16(state, SCU_RAM_QAM_LC_CF1_MEDIUM__A, 10);
4817 if (status < 0)
4818 goto error;
4819 status = write16(state, SCU_RAM_QAM_LC_CF1_COARSE__A, 10);
4820 if (status < 0)
4821 goto error;
4822
4823
4824 /* QAM State Machine (FSM) Thresholds */
4825
4826 status = write16(state, SCU_RAM_QAM_FSM_RTH__A, 100);
4827 if (status < 0)
4828 goto error;
4829 status = write16(state, SCU_RAM_QAM_FSM_FTH__A, 60);
4830 if (status < 0)
4831 goto error;
4832 status = write16(state, SCU_RAM_QAM_FSM_CTH__A, 80);
4833 if (status < 0)
4834 goto error;
4835 status = write16(state, SCU_RAM_QAM_FSM_PTH__A, 110);
4836 if (status < 0)
4837 goto error;
4838 status = write16(state, SCU_RAM_QAM_FSM_QTH__A, 200);
4839 if (status < 0)
4840 goto error;
4841 status = write16(state, SCU_RAM_QAM_FSM_MTH__A, 95);
4842 if (status < 0)
4843 goto error;
4844
4845 status = write16(state, SCU_RAM_QAM_FSM_RATE_LIM__A, 40);
4846 if (status < 0)
4847 goto error;
4848 status = write16(state, SCU_RAM_QAM_FSM_COUNT_LIM__A, 4);
4849 if (status < 0)
4850 goto error;
4851 status = write16(state, SCU_RAM_QAM_FSM_FREQ_LIM__A, 15);
4852 if (status < 0)
4853 goto error;
4854
4855
4856 /* QAM FSM Tracking Parameters */
4857
4858 status = write16(state, SCU_RAM_QAM_FSM_MEDIAN_AV_MULT__A, (u16) 12);
4859 if (status < 0)
4860 goto error;
4861 status = write16(state, SCU_RAM_QAM_FSM_RADIUS_AV_LIMIT__A, (u16) 141);
4862 if (status < 0)
4863 goto error;
4864 status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET1__A, (u16) 7);
4865 if (status < 0)
4866 goto error;
4867 status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET2__A, (u16) 0);
4868 if (status < 0)
4869 goto error;
4870 status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET3__A, (u16) -15);
4871 if (status < 0)
4872 goto error;
4873 status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET4__A, (u16) -45);
4874 if (status < 0)
4875 goto error;
4876 status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET5__A, (u16) -80);
4877error:
4878 if (status < 0)
4879 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
4880
4881 return status;
4882}
4883
4884/*============================================================================*/
4885
4886/**
4887* \brief QAM128 specific setup
4888* \param demod: instance of demod.
4889* \return DRXStatus_t.
4890*/
4891static int SetQAM128(struct drxk_state *state)
4892{
4893 int status = 0;
4894
4895 dprintk(1, "\n");
4896 /* QAM Equalizer Setup */
4897 /* Equalizer */
4898 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD0__A, 6564);
4899 if (status < 0)
4900 goto error;
4901 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD1__A, 6598);
4902 if (status < 0)
4903 goto error;
4904 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD2__A, 6394);
4905 if (status < 0)
4906 goto error;
4907 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD3__A, 6409);
4908 if (status < 0)
4909 goto error;
4910 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD4__A, 6656);
4911 if (status < 0)
4912 goto error;
4913 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD5__A, 7238);
4914 if (status < 0)
4915 goto error;
4916
4917 /* Decision Feedback Equalizer */
4918 status = write16(state, QAM_DQ_QUAL_FUN0__A, 6);
4919 if (status < 0)
4920 goto error;
4921 status = write16(state, QAM_DQ_QUAL_FUN1__A, 6);
4922 if (status < 0)
4923 goto error;
4924 status = write16(state, QAM_DQ_QUAL_FUN2__A, 6);
4925 if (status < 0)
4926 goto error;
4927 status = write16(state, QAM_DQ_QUAL_FUN3__A, 6);
4928 if (status < 0)
4929 goto error;
4930 status = write16(state, QAM_DQ_QUAL_FUN4__A, 5);
4931 if (status < 0)
4932 goto error;
4933 status = write16(state, QAM_DQ_QUAL_FUN5__A, 0);
4934 if (status < 0)
4935 goto error;
4936
4937 status = write16(state, QAM_SY_SYNC_HWM__A, 6);
4938 if (status < 0)
4939 goto error;
4940 status = write16(state, QAM_SY_SYNC_AWM__A, 5);
4941 if (status < 0)
4942 goto error;
4943 status = write16(state, QAM_SY_SYNC_LWM__A, 3);
4944 if (status < 0)
4945 goto error;
4946
4947
4948 /* QAM Slicer Settings */
4949
4950 status = write16(state, SCU_RAM_QAM_SL_SIG_POWER__A, DRXK_QAM_SL_SIG_POWER_QAM128);
4951 if (status < 0)
4952 goto error;
4953
4954
4955 /* QAM Loop Controller Coeficients */
4956
4957 status = write16(state, SCU_RAM_QAM_LC_CA_FINE__A, 15);
4958 if (status < 0)
4959 goto error;
4960 status = write16(state, SCU_RAM_QAM_LC_CA_COARSE__A, 40);
4961 if (status < 0)
4962 goto error;
4963 status = write16(state, SCU_RAM_QAM_LC_EP_FINE__A, 12);
4964 if (status < 0)
4965 goto error;
4966 status = write16(state, SCU_RAM_QAM_LC_EP_MEDIUM__A, 24);
4967 if (status < 0)
4968 goto error;
4969 status = write16(state, SCU_RAM_QAM_LC_EP_COARSE__A, 24);
4970 if (status < 0)
4971 goto error;
4972 status = write16(state, SCU_RAM_QAM_LC_EI_FINE__A, 12);
4973 if (status < 0)
4974 goto error;
4975 status = write16(state, SCU_RAM_QAM_LC_EI_MEDIUM__A, 16);
4976 if (status < 0)
4977 goto error;
4978 status = write16(state, SCU_RAM_QAM_LC_EI_COARSE__A, 16);
4979 if (status < 0)
4980 goto error;
4981
4982 status = write16(state, SCU_RAM_QAM_LC_CP_FINE__A, 5);
4983 if (status < 0)
4984 goto error;
4985 status = write16(state, SCU_RAM_QAM_LC_CP_MEDIUM__A, 40);
4986 if (status < 0)
4987 goto error;
4988 status = write16(state, SCU_RAM_QAM_LC_CP_COARSE__A, 120);
4989 if (status < 0)
4990 goto error;
4991 status = write16(state, SCU_RAM_QAM_LC_CI_FINE__A, 5);
4992 if (status < 0)
4993 goto error;
4994 status = write16(state, SCU_RAM_QAM_LC_CI_MEDIUM__A, 40);
4995 if (status < 0)
4996 goto error;
4997 status = write16(state, SCU_RAM_QAM_LC_CI_COARSE__A, 60);
4998 if (status < 0)
4999 goto error;
5000 status = write16(state, SCU_RAM_QAM_LC_CF_FINE__A, 16);
5001 if (status < 0)
5002 goto error;
5003 status = write16(state, SCU_RAM_QAM_LC_CF_MEDIUM__A, 25);
5004 if (status < 0)
5005 goto error;
5006 status = write16(state, SCU_RAM_QAM_LC_CF_COARSE__A, 64);
5007 if (status < 0)
5008 goto error;
5009 status = write16(state, SCU_RAM_QAM_LC_CF1_FINE__A, 5);
5010 if (status < 0)
5011 goto error;
5012 status = write16(state, SCU_RAM_QAM_LC_CF1_MEDIUM__A, 10);
5013 if (status < 0)
5014 goto error;
5015 status = write16(state, SCU_RAM_QAM_LC_CF1_COARSE__A, 0);
5016 if (status < 0)
5017 goto error;
5018
5019
5020 /* QAM State Machine (FSM) Thresholds */
5021
5022 status = write16(state, SCU_RAM_QAM_FSM_RTH__A, 50);
5023 if (status < 0)
5024 goto error;
5025 status = write16(state, SCU_RAM_QAM_FSM_FTH__A, 60);
5026 if (status < 0)
5027 goto error;
5028 status = write16(state, SCU_RAM_QAM_FSM_CTH__A, 80);
5029 if (status < 0)
5030 goto error;
5031 status = write16(state, SCU_RAM_QAM_FSM_PTH__A, 100);
5032 if (status < 0)
5033 goto error;
5034 status = write16(state, SCU_RAM_QAM_FSM_QTH__A, 140);
5035 if (status < 0)
5036 goto error;
5037 status = write16(state, SCU_RAM_QAM_FSM_MTH__A, 100);
5038 if (status < 0)
5039 goto error;
5040
5041 status = write16(state, SCU_RAM_QAM_FSM_RATE_LIM__A, 40);
5042 if (status < 0)
5043 goto error;
5044 status = write16(state, SCU_RAM_QAM_FSM_COUNT_LIM__A, 5);
5045 if (status < 0)
5046 goto error;
5047
5048 status = write16(state, SCU_RAM_QAM_FSM_FREQ_LIM__A, 12);
5049 if (status < 0)
5050 goto error;
5051
5052 /* QAM FSM Tracking Parameters */
5053
5054 status = write16(state, SCU_RAM_QAM_FSM_MEDIAN_AV_MULT__A, (u16) 8);
5055 if (status < 0)
5056 goto error;
5057 status = write16(state, SCU_RAM_QAM_FSM_RADIUS_AV_LIMIT__A, (u16) 65);
5058 if (status < 0)
5059 goto error;
5060 status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET1__A, (u16) 5);
5061 if (status < 0)
5062 goto error;
5063 status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET2__A, (u16) 3);
5064 if (status < 0)
5065 goto error;
5066 status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET3__A, (u16) -1);
5067 if (status < 0)
5068 goto error;
5069 status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET4__A, (u16) -12);
5070 if (status < 0)
5071 goto error;
5072 status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET5__A, (u16) -23);
5073error:
5074 if (status < 0)
5075 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
5076
5077 return status;
5078}
5079
5080/*============================================================================*/
5081
5082/**
5083* \brief QAM256 specific setup
5084* \param demod: instance of demod.
5085* \return DRXStatus_t.
5086*/
5087static int SetQAM256(struct drxk_state *state)
5088{
5089 int status = 0;
5090
5091 dprintk(1, "\n");
5092 /* QAM Equalizer Setup */
5093 /* Equalizer */
5094 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD0__A, 11502);
5095 if (status < 0)
5096 goto error;
5097 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD1__A, 12084);
5098 if (status < 0)
5099 goto error;
5100 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD2__A, 12543);
5101 if (status < 0)
5102 goto error;
5103 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD3__A, 12931);
5104 if (status < 0)
5105 goto error;
5106 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD4__A, 13629);
5107 if (status < 0)
5108 goto error;
5109 status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD5__A, 15385);
5110 if (status < 0)
5111 goto error;
5112
5113 /* Decision Feedback Equalizer */
5114 status = write16(state, QAM_DQ_QUAL_FUN0__A, 8);
5115 if (status < 0)
5116 goto error;
5117 status = write16(state, QAM_DQ_QUAL_FUN1__A, 8);
5118 if (status < 0)
5119 goto error;
5120 status = write16(state, QAM_DQ_QUAL_FUN2__A, 8);
5121 if (status < 0)
5122 goto error;
5123 status = write16(state, QAM_DQ_QUAL_FUN3__A, 8);
5124 if (status < 0)
5125 goto error;
5126 status = write16(state, QAM_DQ_QUAL_FUN4__A, 6);
5127 if (status < 0)
5128 goto error;
5129 status = write16(state, QAM_DQ_QUAL_FUN5__A, 0);
5130 if (status < 0)
5131 goto error;
5132
5133 status = write16(state, QAM_SY_SYNC_HWM__A, 5);
5134 if (status < 0)
5135 goto error;
5136 status = write16(state, QAM_SY_SYNC_AWM__A, 4);
5137 if (status < 0)
5138 goto error;
5139 status = write16(state, QAM_SY_SYNC_LWM__A, 3);
5140 if (status < 0)
5141 goto error;
5142
5143 /* QAM Slicer Settings */
5144
5145 status = write16(state, SCU_RAM_QAM_SL_SIG_POWER__A, DRXK_QAM_SL_SIG_POWER_QAM256);
5146 if (status < 0)
5147 goto error;
5148
5149
5150 /* QAM Loop Controller Coeficients */
5151
5152 status = write16(state, SCU_RAM_QAM_LC_CA_FINE__A, 15);
5153 if (status < 0)
5154 goto error;
5155 status = write16(state, SCU_RAM_QAM_LC_CA_COARSE__A, 40);
5156 if (status < 0)
5157 goto error;
5158 status = write16(state, SCU_RAM_QAM_LC_EP_FINE__A, 12);
5159 if (status < 0)
5160 goto error;
5161 status = write16(state, SCU_RAM_QAM_LC_EP_MEDIUM__A, 24);
5162 if (status < 0)
5163 goto error;
5164 status = write16(state, SCU_RAM_QAM_LC_EP_COARSE__A, 24);
5165 if (status < 0)
5166 goto error;
5167 status = write16(state, SCU_RAM_QAM_LC_EI_FINE__A, 12);
5168 if (status < 0)
5169 goto error;
5170 status = write16(state, SCU_RAM_QAM_LC_EI_MEDIUM__A, 16);
5171 if (status < 0)
5172 goto error;
5173 status = write16(state, SCU_RAM_QAM_LC_EI_COARSE__A, 16);
5174 if (status < 0)
5175 goto error;
5176
5177 status = write16(state, SCU_RAM_QAM_LC_CP_FINE__A, 5);
5178 if (status < 0)
5179 goto error;
5180 status = write16(state, SCU_RAM_QAM_LC_CP_MEDIUM__A, 50);
5181 if (status < 0)
5182 goto error;
5183 status = write16(state, SCU_RAM_QAM_LC_CP_COARSE__A, 250);
5184 if (status < 0)
5185 goto error;
5186 status = write16(state, SCU_RAM_QAM_LC_CI_FINE__A, 5);
5187 if (status < 0)
5188 goto error;
5189 status = write16(state, SCU_RAM_QAM_LC_CI_MEDIUM__A, 50);
5190 if (status < 0)
5191 goto error;
5192 status = write16(state, SCU_RAM_QAM_LC_CI_COARSE__A, 125);
5193 if (status < 0)
5194 goto error;
5195 status = write16(state, SCU_RAM_QAM_LC_CF_FINE__A, 16);
5196 if (status < 0)
5197 goto error;
5198 status = write16(state, SCU_RAM_QAM_LC_CF_MEDIUM__A, 25);
5199 if (status < 0)
5200 goto error;
5201 status = write16(state, SCU_RAM_QAM_LC_CF_COARSE__A, 48);
5202 if (status < 0)
5203 goto error;
5204 status = write16(state, SCU_RAM_QAM_LC_CF1_FINE__A, 5);
5205 if (status < 0)
5206 goto error;
5207 status = write16(state, SCU_RAM_QAM_LC_CF1_MEDIUM__A, 10);
5208 if (status < 0)
5209 goto error;
5210 status = write16(state, SCU_RAM_QAM_LC_CF1_COARSE__A, 10);
5211 if (status < 0)
5212 goto error;
5213
5214
5215 /* QAM State Machine (FSM) Thresholds */
5216
5217 status = write16(state, SCU_RAM_QAM_FSM_RTH__A, 50);
5218 if (status < 0)
5219 goto error;
5220 status = write16(state, SCU_RAM_QAM_FSM_FTH__A, 60);
5221 if (status < 0)
5222 goto error;
5223 status = write16(state, SCU_RAM_QAM_FSM_CTH__A, 80);
5224 if (status < 0)
5225 goto error;
5226 status = write16(state, SCU_RAM_QAM_FSM_PTH__A, 100);
5227 if (status < 0)
5228 goto error;
5229 status = write16(state, SCU_RAM_QAM_FSM_QTH__A, 150);
5230 if (status < 0)
5231 goto error;
5232 status = write16(state, SCU_RAM_QAM_FSM_MTH__A, 110);
5233 if (status < 0)
5234 goto error;
5235
5236 status = write16(state, SCU_RAM_QAM_FSM_RATE_LIM__A, 40);
5237 if (status < 0)
5238 goto error;
5239 status = write16(state, SCU_RAM_QAM_FSM_COUNT_LIM__A, 4);
5240 if (status < 0)
5241 goto error;
5242 status = write16(state, SCU_RAM_QAM_FSM_FREQ_LIM__A, 12);
5243 if (status < 0)
5244 goto error;
5245
5246
5247 /* QAM FSM Tracking Parameters */
5248
5249 status = write16(state, SCU_RAM_QAM_FSM_MEDIAN_AV_MULT__A, (u16) 8);
5250 if (status < 0)
5251 goto error;
5252 status = write16(state, SCU_RAM_QAM_FSM_RADIUS_AV_LIMIT__A, (u16) 74);
5253 if (status < 0)
5254 goto error;
5255 status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET1__A, (u16) 18);
5256 if (status < 0)
5257 goto error;
5258 status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET2__A, (u16) 13);
5259 if (status < 0)
5260 goto error;
5261 status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET3__A, (u16) 7);
5262 if (status < 0)
5263 goto error;
5264 status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET4__A, (u16) 0);
5265 if (status < 0)
5266 goto error;
5267 status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET5__A, (u16) -8);
5268error:
5269 if (status < 0)
5270 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
5271 return status;
5272}
5273
5274
5275/*============================================================================*/
5276/**
5277* \brief Reset QAM block.
5278* \param demod: instance of demod.
5279* \param channel: pointer to channel data.
5280* \return DRXStatus_t.
5281*/
5282static int QAMResetQAM(struct drxk_state *state)
5283{
5284 int status;
5285 u16 cmdResult;
5286
5287 dprintk(1, "\n");
5288 /* Stop QAM comstate->m_exec */
5289 status = write16(state, QAM_COMM_EXEC__A, QAM_COMM_EXEC_STOP);
5290 if (status < 0)
5291 goto error;
5292
5293 status = scu_command(state, SCU_RAM_COMMAND_STANDARD_QAM | SCU_RAM_COMMAND_CMD_DEMOD_RESET, 0, NULL, 1, &cmdResult);
5294error:
5295 if (status < 0)
5296 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
5297 return status;
5298}
5299
5300/*============================================================================*/
5301
5302/**
5303* \brief Set QAM symbolrate.
5304* \param demod: instance of demod.
5305* \param channel: pointer to channel data.
5306* \return DRXStatus_t.
5307*/
5308static int QAMSetSymbolrate(struct drxk_state *state)
5309{
5310 u32 adcFrequency = 0;
5311 u32 symbFreq = 0;
5312 u32 iqmRcRate = 0;
5313 u16 ratesel = 0;
5314 u32 lcSymbRate = 0;
5315 int status;
5316
5317 dprintk(1, "\n");
5318 /* Select & calculate correct IQM rate */
5319 adcFrequency = (state->m_sysClockFreq * 1000) / 3;
5320 ratesel = 0;
5321 /* printk(KERN_DEBUG "drxk: SR %d\n", state->props.symbol_rate); */
5322 if (state->props.symbol_rate <= 1188750)
5323 ratesel = 3;
5324 else if (state->props.symbol_rate <= 2377500)
5325 ratesel = 2;
5326 else if (state->props.symbol_rate <= 4755000)
5327 ratesel = 1;
5328 status = write16(state, IQM_FD_RATESEL__A, ratesel);
5329 if (status < 0)
5330 goto error;
5331
5332 /*
5333 IqmRcRate = ((Fadc / (symbolrate * (4<<ratesel))) - 1) * (1<<23)
5334 */
5335 symbFreq = state->props.symbol_rate * (1 << ratesel);
5336 if (symbFreq == 0) {
5337 /* Divide by zero */
5338 status = -EINVAL;
5339 goto error;
5340 }
5341 iqmRcRate = (adcFrequency / symbFreq) * (1 << 21) +
5342 (Frac28a((adcFrequency % symbFreq), symbFreq) >> 7) -
5343 (1 << 23);
5344 status = write32(state, IQM_RC_RATE_OFS_LO__A, iqmRcRate);
5345 if (status < 0)
5346 goto error;
5347 state->m_iqmRcRate = iqmRcRate;
5348 /*
5349 LcSymbFreq = round (.125 * symbolrate / adcFreq * (1<<15))
5350 */
5351 symbFreq = state->props.symbol_rate;
5352 if (adcFrequency == 0) {
5353 /* Divide by zero */
5354 status = -EINVAL;
5355 goto error;
5356 }
5357 lcSymbRate = (symbFreq / adcFrequency) * (1 << 12) +
5358 (Frac28a((symbFreq % adcFrequency), adcFrequency) >>
5359 16);
5360 if (lcSymbRate > 511)
5361 lcSymbRate = 511;
5362 status = write16(state, QAM_LC_SYMBOL_FREQ__A, (u16) lcSymbRate);
5363
5364error:
5365 if (status < 0)
5366 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
5367 return status;
5368}
5369
5370/*============================================================================*/
5371
5372/**
5373* \brief Get QAM lock status.
5374* \param demod: instance of demod.
5375* \param channel: pointer to channel data.
5376* \return DRXStatus_t.
5377*/
5378
5379static int GetQAMLockStatus(struct drxk_state *state, u32 *pLockStatus)
5380{
5381 int status;
5382 u16 Result[2] = { 0, 0 };
5383
5384 dprintk(1, "\n");
5385 *pLockStatus = NOT_LOCKED;
5386 status = scu_command(state,
5387 SCU_RAM_COMMAND_STANDARD_QAM |
5388 SCU_RAM_COMMAND_CMD_DEMOD_GET_LOCK, 0, NULL, 2,
5389 Result);
5390 if (status < 0)
5391 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
5392
5393 if (Result[1] < SCU_RAM_QAM_LOCKED_LOCKED_DEMOD_LOCKED) {
5394 /* 0x0000 NOT LOCKED */
5395 } else if (Result[1] < SCU_RAM_QAM_LOCKED_LOCKED_LOCKED) {
5396 /* 0x4000 DEMOD LOCKED */
5397 *pLockStatus = DEMOD_LOCK;
5398 } else if (Result[1] < SCU_RAM_QAM_LOCKED_LOCKED_NEVER_LOCK) {
5399 /* 0x8000 DEMOD + FEC LOCKED (system lock) */
5400 *pLockStatus = MPEG_LOCK;
5401 } else {
5402 /* 0xC000 NEVER LOCKED */
5403 /* (system will never be able to lock to the signal) */
5404 /* TODO: check this, intermediate & standard specific lock states are not
5405 taken into account here */
5406 *pLockStatus = NEVER_LOCK;
5407 }
5408 return status;
5409}
5410
5411#define QAM_MIRROR__M 0x03
5412#define QAM_MIRROR_NORMAL 0x00
5413#define QAM_MIRRORED 0x01
5414#define QAM_MIRROR_AUTO_ON 0x02
5415#define QAM_LOCKRANGE__M 0x10
5416#define QAM_LOCKRANGE_NORMAL 0x10
5417
5418static int QAMDemodulatorCommand(struct drxk_state *state,
5419 int numberOfParameters)
5420{
5421 int status;
5422 u16 cmdResult;
5423 u16 setParamParameters[4] = { 0, 0, 0, 0 };
5424
5425 setParamParameters[0] = state->m_Constellation; /* modulation */
5426 setParamParameters[1] = DRXK_QAM_I12_J17; /* interleave mode */
5427
5428 if (numberOfParameters == 2) {
5429 u16 setEnvParameters[1] = { 0 };
5430
5431 if (state->m_OperationMode == OM_QAM_ITU_C)
5432 setEnvParameters[0] = QAM_TOP_ANNEX_C;
5433 else
5434 setEnvParameters[0] = QAM_TOP_ANNEX_A;
5435
5436 status = scu_command(state,
5437 SCU_RAM_COMMAND_STANDARD_QAM | SCU_RAM_COMMAND_CMD_DEMOD_SET_ENV,
5438 1, setEnvParameters, 1, &cmdResult);
5439 if (status < 0)
5440 goto error;
5441
5442 status = scu_command(state,
5443 SCU_RAM_COMMAND_STANDARD_QAM | SCU_RAM_COMMAND_CMD_DEMOD_SET_PARAM,
5444 numberOfParameters, setParamParameters,
5445 1, &cmdResult);
5446 } else if (numberOfParameters == 4) {
5447 if (state->m_OperationMode == OM_QAM_ITU_C)
5448 setParamParameters[2] = QAM_TOP_ANNEX_C;
5449 else
5450 setParamParameters[2] = QAM_TOP_ANNEX_A;
5451
5452 setParamParameters[3] |= (QAM_MIRROR_AUTO_ON);
5453 /* Env parameters */
5454 /* check for LOCKRANGE Extented */
5455 /* setParamParameters[3] |= QAM_LOCKRANGE_NORMAL; */
5456
5457 status = scu_command(state,
5458 SCU_RAM_COMMAND_STANDARD_QAM | SCU_RAM_COMMAND_CMD_DEMOD_SET_PARAM,
5459 numberOfParameters, setParamParameters,
5460 1, &cmdResult);
5461 } else {
5462 printk(KERN_WARNING "drxk: Unknown QAM demodulator parameter "
5463 "count %d\n", numberOfParameters);
5464 }
5465
5466error:
5467 if (status < 0)
5468 printk(KERN_WARNING "drxk: Warning %d on %s\n",
5469 status, __func__);
5470 return status;
5471}
5472
5473static int SetQAM(struct drxk_state *state, u16 IntermediateFreqkHz,
5474 s32 tunerFreqOffset)
5475{
5476 int status;
5477 u16 cmdResult;
5478 int qamDemodParamCount = state->qam_demod_parameter_count;
5479
5480 dprintk(1, "\n");
5481 /*
5482 * STEP 1: reset demodulator
5483 * resets FEC DI and FEC RS
5484 * resets QAM block
5485 * resets SCU variables
5486 */
5487 status = write16(state, FEC_DI_COMM_EXEC__A, FEC_DI_COMM_EXEC_STOP);
5488 if (status < 0)
5489 goto error;
5490 status = write16(state, FEC_RS_COMM_EXEC__A, FEC_RS_COMM_EXEC_STOP);
5491 if (status < 0)
5492 goto error;
5493 status = QAMResetQAM(state);
5494 if (status < 0)
5495 goto error;
5496
5497 /*
5498 * STEP 2: configure demodulator
5499 * -set params; resets IQM,QAM,FEC HW; initializes some
5500 * SCU variables
5501 */
5502 status = QAMSetSymbolrate(state);
5503 if (status < 0)
5504 goto error;
5505
5506 /* Set params */
5507 switch (state->props.modulation) {
5508 case QAM_256:
5509 state->m_Constellation = DRX_CONSTELLATION_QAM256;
5510 break;
5511 case QAM_AUTO:
5512 case QAM_64:
5513 state->m_Constellation = DRX_CONSTELLATION_QAM64;
5514 break;
5515 case QAM_16:
5516 state->m_Constellation = DRX_CONSTELLATION_QAM16;
5517 break;
5518 case QAM_32:
5519 state->m_Constellation = DRX_CONSTELLATION_QAM32;
5520 break;
5521 case QAM_128:
5522 state->m_Constellation = DRX_CONSTELLATION_QAM128;
5523 break;
5524 default:
5525 status = -EINVAL;
5526 break;
5527 }
5528 if (status < 0)
5529 goto error;
5530
5531 /* Use the 4-parameter if it's requested or we're probing for
5532 * the correct command. */
5533 if (state->qam_demod_parameter_count == 4
5534 || !state->qam_demod_parameter_count) {
5535 qamDemodParamCount = 4;
5536 status = QAMDemodulatorCommand(state, qamDemodParamCount);
5537 }
5538
5539 /* Use the 2-parameter command if it was requested or if we're
5540 * probing for the correct command and the 4-parameter command
5541 * failed. */
5542 if (state->qam_demod_parameter_count == 2
5543 || (!state->qam_demod_parameter_count && status < 0)) {
5544 qamDemodParamCount = 2;
5545 status = QAMDemodulatorCommand(state, qamDemodParamCount);
5546 }
5547
5548 if (status < 0) {
5549 dprintk(1, "Could not set demodulator parameters. Make "
5550 "sure qam_demod_parameter_count (%d) is correct for "
5551 "your firmware (%s).\n",
5552 state->qam_demod_parameter_count,
5553 state->microcode_name);
5554 goto error;
5555 } else if (!state->qam_demod_parameter_count) {
5556 dprintk(1, "Auto-probing the correct QAM demodulator command "
5557 "parameters was successful - using %d parameters.\n",
5558 qamDemodParamCount);
5559
5560 /*
5561 * One of our commands was successful. We don't need to
5562 * auto-probe anymore, now that we got the correct command.
5563 */
5564 state->qam_demod_parameter_count = qamDemodParamCount;
5565 }
5566
5567 /*
5568 * STEP 3: enable the system in a mode where the ADC provides valid
5569 * signal setup modulation independent registers
5570 */
5571#if 0
5572 status = SetFrequency(channel, tunerFreqOffset));
5573 if (status < 0)
5574 goto error;
5575#endif
5576 status = SetFrequencyShifter(state, IntermediateFreqkHz, tunerFreqOffset, true);
5577 if (status < 0)
5578 goto error;
5579
5580 /* Setup BER measurement */
5581 status = SetQAMMeasurement(state, state->m_Constellation, state->props.symbol_rate);
5582 if (status < 0)
5583 goto error;
5584
5585 /* Reset default values */
5586 status = write16(state, IQM_CF_SCALE_SH__A, IQM_CF_SCALE_SH__PRE);
5587 if (status < 0)
5588 goto error;
5589 status = write16(state, QAM_SY_TIMEOUT__A, QAM_SY_TIMEOUT__PRE);
5590 if (status < 0)
5591 goto error;
5592
5593 /* Reset default LC values */
5594 status = write16(state, QAM_LC_RATE_LIMIT__A, 3);
5595 if (status < 0)
5596 goto error;
5597 status = write16(state, QAM_LC_LPF_FACTORP__A, 4);
5598 if (status < 0)
5599 goto error;
5600 status = write16(state, QAM_LC_LPF_FACTORI__A, 4);
5601 if (status < 0)
5602 goto error;
5603 status = write16(state, QAM_LC_MODE__A, 7);
5604 if (status < 0)
5605 goto error;
5606
5607 status = write16(state, QAM_LC_QUAL_TAB0__A, 1);
5608 if (status < 0)
5609 goto error;
5610 status = write16(state, QAM_LC_QUAL_TAB1__A, 1);
5611 if (status < 0)
5612 goto error;
5613 status = write16(state, QAM_LC_QUAL_TAB2__A, 1);
5614 if (status < 0)
5615 goto error;
5616 status = write16(state, QAM_LC_QUAL_TAB3__A, 1);
5617 if (status < 0)
5618 goto error;
5619 status = write16(state, QAM_LC_QUAL_TAB4__A, 2);
5620 if (status < 0)
5621 goto error;
5622 status = write16(state, QAM_LC_QUAL_TAB5__A, 2);
5623 if (status < 0)
5624 goto error;
5625 status = write16(state, QAM_LC_QUAL_TAB6__A, 2);
5626 if (status < 0)
5627 goto error;
5628 status = write16(state, QAM_LC_QUAL_TAB8__A, 2);
5629 if (status < 0)
5630 goto error;
5631 status = write16(state, QAM_LC_QUAL_TAB9__A, 2);
5632 if (status < 0)
5633 goto error;
5634 status = write16(state, QAM_LC_QUAL_TAB10__A, 2);
5635 if (status < 0)
5636 goto error;
5637 status = write16(state, QAM_LC_QUAL_TAB12__A, 2);
5638 if (status < 0)
5639 goto error;
5640 status = write16(state, QAM_LC_QUAL_TAB15__A, 3);
5641 if (status < 0)
5642 goto error;
5643 status = write16(state, QAM_LC_QUAL_TAB16__A, 3);
5644 if (status < 0)
5645 goto error;
5646 status = write16(state, QAM_LC_QUAL_TAB20__A, 4);
5647 if (status < 0)
5648 goto error;
5649 status = write16(state, QAM_LC_QUAL_TAB25__A, 4);
5650 if (status < 0)
5651 goto error;
5652
5653 /* Mirroring, QAM-block starting point not inverted */
5654 status = write16(state, QAM_SY_SP_INV__A, QAM_SY_SP_INV_SPECTRUM_INV_DIS);
5655 if (status < 0)
5656 goto error;
5657
5658 /* Halt SCU to enable safe non-atomic accesses */
5659 status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_HOLD);
5660 if (status < 0)
5661 goto error;
5662
5663 /* STEP 4: modulation specific setup */
5664 switch (state->props.modulation) {
5665 case QAM_16:
5666 status = SetQAM16(state);
5667 break;
5668 case QAM_32:
5669 status = SetQAM32(state);
5670 break;
5671 case QAM_AUTO:
5672 case QAM_64:
5673 status = SetQAM64(state);
5674 break;
5675 case QAM_128:
5676 status = SetQAM128(state);
5677 break;
5678 case QAM_256:
5679 status = SetQAM256(state);
5680 break;
5681 default:
5682 status = -EINVAL;
5683 break;
5684 }
5685 if (status < 0)
5686 goto error;
5687
5688 /* Activate SCU to enable SCU commands */
5689 status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_ACTIVE);
5690 if (status < 0)
5691 goto error;
5692
5693 /* Re-configure MPEG output, requires knowledge of channel bitrate */
5694 /* extAttr->currentChannel.modulation = channel->modulation; */
5695 /* extAttr->currentChannel.symbolrate = channel->symbolrate; */
5696 status = MPEGTSDtoSetup(state, state->m_OperationMode);
5697 if (status < 0)
5698 goto error;
5699
5700 /* Start processes */
5701 status = MPEGTSStart(state);
5702 if (status < 0)
5703 goto error;
5704 status = write16(state, FEC_COMM_EXEC__A, FEC_COMM_EXEC_ACTIVE);
5705 if (status < 0)
5706 goto error;
5707 status = write16(state, QAM_COMM_EXEC__A, QAM_COMM_EXEC_ACTIVE);
5708 if (status < 0)
5709 goto error;
5710 status = write16(state, IQM_COMM_EXEC__A, IQM_COMM_EXEC_B_ACTIVE);
5711 if (status < 0)
5712 goto error;
5713
5714 /* STEP 5: start QAM demodulator (starts FEC, QAM and IQM HW) */
5715 status = scu_command(state, SCU_RAM_COMMAND_STANDARD_QAM | SCU_RAM_COMMAND_CMD_DEMOD_START, 0, NULL, 1, &cmdResult);
5716 if (status < 0)
5717 goto error;
5718
5719 /* update global DRXK data container */
5720/*? extAttr->qamInterleaveMode = DRXK_QAM_I12_J17; */
5721
5722error:
5723 if (status < 0)
5724 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
5725 return status;
5726}
5727
5728static int SetQAMStandard(struct drxk_state *state,
5729 enum OperationMode oMode)
5730{
5731 int status;
5732#ifdef DRXK_QAM_TAPS
5733#define DRXK_QAMA_TAPS_SELECT
5734#include "drxk_filters.h"
5735#undef DRXK_QAMA_TAPS_SELECT
5736#endif
5737
5738 dprintk(1, "\n");
5739
5740 /* added antenna switch */
5741 SwitchAntennaToQAM(state);
5742
5743 /* Ensure correct power-up mode */
5744 status = PowerUpQAM(state);
5745 if (status < 0)
5746 goto error;
5747 /* Reset QAM block */
5748 status = QAMResetQAM(state);
5749 if (status < 0)
5750 goto error;
5751
5752 /* Setup IQM */
5753
5754 status = write16(state, IQM_COMM_EXEC__A, IQM_COMM_EXEC_B_STOP);
5755 if (status < 0)
5756 goto error;
5757 status = write16(state, IQM_AF_AMUX__A, IQM_AF_AMUX_SIGNAL2ADC);
5758 if (status < 0)
5759 goto error;
5760
5761 /* Upload IQM Channel Filter settings by
5762 boot loader from ROM table */
5763 switch (oMode) {
5764 case OM_QAM_ITU_A:
5765 status = BLChainCmd(state, DRXK_BL_ROM_OFFSET_TAPS_ITU_A, DRXK_BLCC_NR_ELEMENTS_TAPS, DRXK_BLC_TIMEOUT);
5766 break;
5767 case OM_QAM_ITU_C:
5768 status = BLDirectCmd(state, IQM_CF_TAP_RE0__A, DRXK_BL_ROM_OFFSET_TAPS_ITU_C, DRXK_BLDC_NR_ELEMENTS_TAPS, DRXK_BLC_TIMEOUT);
5769 if (status < 0)
5770 goto error;
5771 status = BLDirectCmd(state, IQM_CF_TAP_IM0__A, DRXK_BL_ROM_OFFSET_TAPS_ITU_C, DRXK_BLDC_NR_ELEMENTS_TAPS, DRXK_BLC_TIMEOUT);
5772 break;
5773 default:
5774 status = -EINVAL;
5775 }
5776 if (status < 0)
5777 goto error;
5778
5779 status = write16(state, IQM_CF_OUT_ENA__A, (1 << IQM_CF_OUT_ENA_QAM__B));
5780 if (status < 0)
5781 goto error;
5782 status = write16(state, IQM_CF_SYMMETRIC__A, 0);
5783 if (status < 0)
5784 goto error;
5785 status = write16(state, IQM_CF_MIDTAP__A, ((1 << IQM_CF_MIDTAP_RE__B) | (1 << IQM_CF_MIDTAP_IM__B)));
5786 if (status < 0)
5787 goto error;
5788
5789 status = write16(state, IQM_RC_STRETCH__A, 21);
5790 if (status < 0)
5791 goto error;
5792 status = write16(state, IQM_AF_CLP_LEN__A, 0);
5793 if (status < 0)
5794 goto error;
5795 status = write16(state, IQM_AF_CLP_TH__A, 448);
5796 if (status < 0)
5797 goto error;
5798 status = write16(state, IQM_AF_SNS_LEN__A, 0);
5799 if (status < 0)
5800 goto error;
5801 status = write16(state, IQM_CF_POW_MEAS_LEN__A, 0);
5802 if (status < 0)
5803 goto error;
5804
5805 status = write16(state, IQM_FS_ADJ_SEL__A, 1);
5806 if (status < 0)
5807 goto error;
5808 status = write16(state, IQM_RC_ADJ_SEL__A, 1);
5809 if (status < 0)
5810 goto error;
5811 status = write16(state, IQM_CF_ADJ_SEL__A, 1);
5812 if (status < 0)
5813 goto error;
5814 status = write16(state, IQM_AF_UPD_SEL__A, 0);
5815 if (status < 0)
5816 goto error;
5817
5818 /* IQM Impulse Noise Processing Unit */
5819 status = write16(state, IQM_CF_CLP_VAL__A, 500);
5820 if (status < 0)
5821 goto error;
5822 status = write16(state, IQM_CF_DATATH__A, 1000);
5823 if (status < 0)
5824 goto error;
5825 status = write16(state, IQM_CF_BYPASSDET__A, 1);
5826 if (status < 0)
5827 goto error;
5828 status = write16(state, IQM_CF_DET_LCT__A, 0);
5829 if (status < 0)
5830 goto error;
5831 status = write16(state, IQM_CF_WND_LEN__A, 1);
5832 if (status < 0)
5833 goto error;
5834 status = write16(state, IQM_CF_PKDTH__A, 1);
5835 if (status < 0)
5836 goto error;
5837 status = write16(state, IQM_AF_INC_BYPASS__A, 1);
5838 if (status < 0)
5839 goto error;
5840
5841 /* turn on IQMAF. Must be done before setAgc**() */
5842 status = SetIqmAf(state, true);
5843 if (status < 0)
5844 goto error;
5845 status = write16(state, IQM_AF_START_LOCK__A, 0x01);
5846 if (status < 0)
5847 goto error;
5848
5849 /* IQM will not be reset from here, sync ADC and update/init AGC */
5850 status = ADCSynchronization(state);
5851 if (status < 0)
5852 goto error;
5853
5854 /* Set the FSM step period */
5855 status = write16(state, SCU_RAM_QAM_FSM_STEP_PERIOD__A, 2000);
5856 if (status < 0)
5857 goto error;
5858
5859 /* Halt SCU to enable safe non-atomic accesses */
5860 status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_HOLD);
5861 if (status < 0)
5862 goto error;
5863
5864 /* No more resets of the IQM, current standard correctly set =>
5865 now AGCs can be configured. */
5866
5867 status = InitAGC(state, true);
5868 if (status < 0)
5869 goto error;
5870 status = SetPreSaw(state, &(state->m_qamPreSawCfg));
5871 if (status < 0)
5872 goto error;
5873
5874 /* Configure AGC's */
5875 status = SetAgcRf(state, &(state->m_qamRfAgcCfg), true);
5876 if (status < 0)
5877 goto error;
5878 status = SetAgcIf(state, &(state->m_qamIfAgcCfg), true);
5879 if (status < 0)
5880 goto error;
5881
5882 /* Activate SCU to enable SCU commands */
5883 status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_ACTIVE);
5884error:
5885 if (status < 0)
5886 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
5887 return status;
5888}
5889
5890static int WriteGPIO(struct drxk_state *state)
5891{
5892 int status;
5893 u16 value = 0;
5894
5895 dprintk(1, "\n");
5896 /* stop lock indicator process */
5897 status = write16(state, SCU_RAM_GPIO__A, SCU_RAM_GPIO_HW_LOCK_IND_DISABLE);
5898 if (status < 0)
5899 goto error;
5900
5901 /* Write magic word to enable pdr reg write */
5902 status = write16(state, SIO_TOP_COMM_KEY__A, SIO_TOP_COMM_KEY_KEY);
5903 if (status < 0)
5904 goto error;
5905
5906 if (state->m_hasSAWSW) {
5907 if (state->UIO_mask & 0x0001) { /* UIO-1 */
5908 /* write to io pad configuration register - output mode */
5909 status = write16(state, SIO_PDR_SMA_TX_CFG__A, state->m_GPIOCfg);
5910 if (status < 0)
5911 goto error;
5912
5913 /* use corresponding bit in io data output registar */
5914 status = read16(state, SIO_PDR_UIO_OUT_LO__A, &value);
5915 if (status < 0)
5916 goto error;
5917 if ((state->m_GPIO & 0x0001) == 0)
5918 value &= 0x7FFF; /* write zero to 15th bit - 1st UIO */
5919 else
5920 value |= 0x8000; /* write one to 15th bit - 1st UIO */
5921 /* write back to io data output register */
5922 status = write16(state, SIO_PDR_UIO_OUT_LO__A, value);
5923 if (status < 0)
5924 goto error;
5925 }
5926 if (state->UIO_mask & 0x0002) { /* UIO-2 */
5927 /* write to io pad configuration register - output mode */
5928 status = write16(state, SIO_PDR_SMA_RX_CFG__A, state->m_GPIOCfg);
5929 if (status < 0)
5930 goto error;
5931
5932 /* use corresponding bit in io data output registar */
5933 status = read16(state, SIO_PDR_UIO_OUT_LO__A, &value);
5934 if (status < 0)
5935 goto error;
5936 if ((state->m_GPIO & 0x0002) == 0)
5937 value &= 0xBFFF; /* write zero to 14th bit - 2st UIO */
5938 else
5939 value |= 0x4000; /* write one to 14th bit - 2st UIO */
5940 /* write back to io data output register */
5941 status = write16(state, SIO_PDR_UIO_OUT_LO__A, value);
5942 if (status < 0)
5943 goto error;
5944 }
5945 if (state->UIO_mask & 0x0004) { /* UIO-3 */
5946 /* write to io pad configuration register - output mode */
5947 status = write16(state, SIO_PDR_GPIO_CFG__A, state->m_GPIOCfg);
5948 if (status < 0)
5949 goto error;
5950
5951 /* use corresponding bit in io data output registar */
5952 status = read16(state, SIO_PDR_UIO_OUT_LO__A, &value);
5953 if (status < 0)
5954 goto error;
5955 if ((state->m_GPIO & 0x0004) == 0)
5956 value &= 0xFFFB; /* write zero to 2nd bit - 3rd UIO */
5957 else
5958 value |= 0x0004; /* write one to 2nd bit - 3rd UIO */
5959 /* write back to io data output register */
5960 status = write16(state, SIO_PDR_UIO_OUT_LO__A, value);
5961 if (status < 0)
5962 goto error;
5963 }
5964 }
5965 /* Write magic word to disable pdr reg write */
5966 status = write16(state, SIO_TOP_COMM_KEY__A, 0x0000);
5967error:
5968 if (status < 0)
5969 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
5970 return status;
5971}
5972
5973static int SwitchAntennaToQAM(struct drxk_state *state)
5974{
5975 int status = 0;
5976 bool gpio_state;
5977
5978 dprintk(1, "\n");
5979
5980 if (!state->antenna_gpio)
5981 return 0;
5982
5983 gpio_state = state->m_GPIO & state->antenna_gpio;
5984
5985 if (state->antenna_dvbt ^ gpio_state) {
5986 /* Antenna is on DVB-T mode. Switch */
5987 if (state->antenna_dvbt)
5988 state->m_GPIO &= ~state->antenna_gpio;
5989 else
5990 state->m_GPIO |= state->antenna_gpio;
5991 status = WriteGPIO(state);
5992 }
5993 if (status < 0)
5994 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
5995 return status;
5996}
5997
5998static int SwitchAntennaToDVBT(struct drxk_state *state)
5999{
6000 int status = 0;
6001 bool gpio_state;
6002
6003 dprintk(1, "\n");
6004
6005 if (!state->antenna_gpio)
6006 return 0;
6007
6008 gpio_state = state->m_GPIO & state->antenna_gpio;
6009
6010 if (!(state->antenna_dvbt ^ gpio_state)) {
6011 /* Antenna is on DVB-C mode. Switch */
6012 if (state->antenna_dvbt)
6013 state->m_GPIO |= state->antenna_gpio;
6014 else
6015 state->m_GPIO &= ~state->antenna_gpio;
6016 status = WriteGPIO(state);
6017 }
6018 if (status < 0)
6019 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
6020 return status;
6021}
6022
6023
6024static int PowerDownDevice(struct drxk_state *state)
6025{
6026 /* Power down to requested mode */
6027 /* Backup some register settings */
6028 /* Set pins with possible pull-ups connected to them in input mode */
6029 /* Analog power down */
6030 /* ADC power down */
6031 /* Power down device */
6032 int status;
6033
6034 dprintk(1, "\n");
6035 if (state->m_bPDownOpenBridge) {
6036 /* Open I2C bridge before power down of DRXK */
6037 status = ConfigureI2CBridge(state, true);
6038 if (status < 0)
6039 goto error;
6040 }
6041 /* driver 0.9.0 */
6042 status = DVBTEnableOFDMTokenRing(state, false);
6043 if (status < 0)
6044 goto error;
6045
6046 status = write16(state, SIO_CC_PWD_MODE__A, SIO_CC_PWD_MODE_LEVEL_CLOCK);
6047 if (status < 0)
6048 goto error;
6049 status = write16(state, SIO_CC_UPDATE__A, SIO_CC_UPDATE_KEY);
6050 if (status < 0)
6051 goto error;
6052 state->m_HICfgCtrl |= SIO_HI_RA_RAM_PAR_5_CFG_SLEEP_ZZZ;
6053 status = HI_CfgCommand(state);
6054error:
6055 if (status < 0)
6056 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
6057
6058 return status;
6059}
6060
6061static int init_drxk(struct drxk_state *state)
6062{
6063 int status = 0, n = 0;
6064 enum DRXPowerMode powerMode = DRXK_POWER_DOWN_OFDM;
6065 u16 driverVersion;
6066
6067 dprintk(1, "\n");
6068 if ((state->m_DrxkState == DRXK_UNINITIALIZED)) {
6069 drxk_i2c_lock(state);
6070 status = PowerUpDevice(state);
6071 if (status < 0)
6072 goto error;
6073 status = DRXX_Open(state);
6074 if (status < 0)
6075 goto error;
6076 /* Soft reset of OFDM-, sys- and osc-clockdomain */
6077 status = write16(state, SIO_CC_SOFT_RST__A, SIO_CC_SOFT_RST_OFDM__M | SIO_CC_SOFT_RST_SYS__M | SIO_CC_SOFT_RST_OSC__M);
6078 if (status < 0)
6079 goto error;
6080 status = write16(state, SIO_CC_UPDATE__A, SIO_CC_UPDATE_KEY);
6081 if (status < 0)
6082 goto error;
6083 /* TODO is this needed, if yes how much delay in worst case scenario */
6084 msleep(1);
6085 state->m_DRXK_A3_PATCH_CODE = true;
6086 status = GetDeviceCapabilities(state);
6087 if (status < 0)
6088 goto error;
6089
6090 /* Bridge delay, uses oscilator clock */
6091 /* Delay = (delay (nano seconds) * oscclk (kHz))/ 1000 */
6092 /* SDA brdige delay */
6093 state->m_HICfgBridgeDelay =
6094 (u16) ((state->m_oscClockFreq / 1000) *
6095 HI_I2C_BRIDGE_DELAY) / 1000;
6096 /* Clipping */
6097 if (state->m_HICfgBridgeDelay >
6098 SIO_HI_RA_RAM_PAR_3_CFG_DBL_SDA__M) {
6099 state->m_HICfgBridgeDelay =
6100 SIO_HI_RA_RAM_PAR_3_CFG_DBL_SDA__M;
6101 }
6102 /* SCL bridge delay, same as SDA for now */
6103 state->m_HICfgBridgeDelay +=
6104 state->m_HICfgBridgeDelay <<
6105 SIO_HI_RA_RAM_PAR_3_CFG_DBL_SCL__B;
6106
6107 status = InitHI(state);
6108 if (status < 0)
6109 goto error;
6110 /* disable various processes */
6111#if NOA1ROM
6112 if (!(state->m_DRXK_A1_ROM_CODE)
6113 && !(state->m_DRXK_A2_ROM_CODE))
6114#endif
6115 {
6116 status = write16(state, SCU_RAM_GPIO__A, SCU_RAM_GPIO_HW_LOCK_IND_DISABLE);
6117 if (status < 0)
6118 goto error;
6119 }
6120
6121 /* disable MPEG port */
6122 status = MPEGTSDisable(state);
6123 if (status < 0)
6124 goto error;
6125
6126 /* Stop AUD and SCU */
6127 status = write16(state, AUD_COMM_EXEC__A, AUD_COMM_EXEC_STOP);
6128 if (status < 0)
6129 goto error;
6130 status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_STOP);
6131 if (status < 0)
6132 goto error;
6133
6134 /* enable token-ring bus through OFDM block for possible ucode upload */
6135 status = write16(state, SIO_OFDM_SH_OFDM_RING_ENABLE__A, SIO_OFDM_SH_OFDM_RING_ENABLE_ON);
6136 if (status < 0)
6137 goto error;
6138
6139 /* include boot loader section */
6140 status = write16(state, SIO_BL_COMM_EXEC__A, SIO_BL_COMM_EXEC_ACTIVE);
6141 if (status < 0)
6142 goto error;
6143 status = BLChainCmd(state, 0, 6, 100);
6144 if (status < 0)
6145 goto error;
6146
6147 if (state->fw) {
6148 status = DownloadMicrocode(state, state->fw->data,
6149 state->fw->size);
6150 if (status < 0)
6151 goto error;
6152 }
6153
6154 /* disable token-ring bus through OFDM block for possible ucode upload */
6155 status = write16(state, SIO_OFDM_SH_OFDM_RING_ENABLE__A, SIO_OFDM_SH_OFDM_RING_ENABLE_OFF);
6156 if (status < 0)
6157 goto error;
6158
6159 /* Run SCU for a little while to initialize microcode version numbers */
6160 status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_ACTIVE);
6161 if (status < 0)
6162 goto error;
6163 status = DRXX_Open(state);
6164 if (status < 0)
6165 goto error;
6166 /* added for test */
6167 msleep(30);
6168
6169 powerMode = DRXK_POWER_DOWN_OFDM;
6170 status = CtrlPowerMode(state, &powerMode);
6171 if (status < 0)
6172 goto error;
6173
6174 /* Stamp driver version number in SCU data RAM in BCD code
6175 Done to enable field application engineers to retreive drxdriver version
6176 via I2C from SCU RAM.
6177 Not using SCU command interface for SCU register access since no
6178 microcode may be present.
6179 */
6180 driverVersion =
6181 (((DRXK_VERSION_MAJOR / 100) % 10) << 12) +
6182 (((DRXK_VERSION_MAJOR / 10) % 10) << 8) +
6183 ((DRXK_VERSION_MAJOR % 10) << 4) +
6184 (DRXK_VERSION_MINOR % 10);
6185 status = write16(state, SCU_RAM_DRIVER_VER_HI__A, driverVersion);
6186 if (status < 0)
6187 goto error;
6188 driverVersion =
6189 (((DRXK_VERSION_PATCH / 1000) % 10) << 12) +
6190 (((DRXK_VERSION_PATCH / 100) % 10) << 8) +
6191 (((DRXK_VERSION_PATCH / 10) % 10) << 4) +
6192 (DRXK_VERSION_PATCH % 10);
6193 status = write16(state, SCU_RAM_DRIVER_VER_LO__A, driverVersion);
6194 if (status < 0)
6195 goto error;
6196
6197 printk(KERN_INFO "DRXK driver version %d.%d.%d\n",
6198 DRXK_VERSION_MAJOR, DRXK_VERSION_MINOR,
6199 DRXK_VERSION_PATCH);
6200
6201 /* Dirty fix of default values for ROM/PATCH microcode
6202 Dirty because this fix makes it impossible to setup suitable values
6203 before calling DRX_Open. This solution requires changes to RF AGC speed
6204 to be done via the CTRL function after calling DRX_Open */
6205
6206 /* m_dvbtRfAgcCfg.speed = 3; */
6207
6208 /* Reset driver debug flags to 0 */
6209 status = write16(state, SCU_RAM_DRIVER_DEBUG__A, 0);
6210 if (status < 0)
6211 goto error;
6212 /* driver 0.9.0 */
6213 /* Setup FEC OC:
6214 NOTE: No more full FEC resets allowed afterwards!! */
6215 status = write16(state, FEC_COMM_EXEC__A, FEC_COMM_EXEC_STOP);
6216 if (status < 0)
6217 goto error;
6218 /* MPEGTS functions are still the same */
6219 status = MPEGTSDtoInit(state);
6220 if (status < 0)
6221 goto error;
6222 status = MPEGTSStop(state);
6223 if (status < 0)
6224 goto error;
6225 status = MPEGTSConfigurePolarity(state);
6226 if (status < 0)
6227 goto error;
6228 status = MPEGTSConfigurePins(state, state->m_enableMPEGOutput);
6229 if (status < 0)
6230 goto error;
6231 /* added: configure GPIO */
6232 status = WriteGPIO(state);
6233 if (status < 0)
6234 goto error;
6235
6236 state->m_DrxkState = DRXK_STOPPED;
6237
6238 if (state->m_bPowerDown) {
6239 status = PowerDownDevice(state);
6240 if (status < 0)
6241 goto error;
6242 state->m_DrxkState = DRXK_POWERED_DOWN;
6243 } else
6244 state->m_DrxkState = DRXK_STOPPED;
6245
6246 /* Initialize the supported delivery systems */
6247 n = 0;
6248 if (state->m_hasDVBC) {
6249 state->frontend.ops.delsys[n++] = SYS_DVBC_ANNEX_A;
6250 state->frontend.ops.delsys[n++] = SYS_DVBC_ANNEX_C;
6251 strlcat(state->frontend.ops.info.name, " DVB-C",
6252 sizeof(state->frontend.ops.info.name));
6253 }
6254 if (state->m_hasDVBT) {
6255 state->frontend.ops.delsys[n++] = SYS_DVBT;
6256 strlcat(state->frontend.ops.info.name, " DVB-T",
6257 sizeof(state->frontend.ops.info.name));
6258 }
6259 drxk_i2c_unlock(state);
6260 }
6261error:
6262 if (status < 0) {
6263 state->m_DrxkState = DRXK_NO_DEV;
6264 drxk_i2c_unlock(state);
6265 printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
6266 }
6267
6268 return status;
6269}
6270
6271static void load_firmware_cb(const struct firmware *fw,
6272 void *context)
6273{
6274 struct drxk_state *state = context;
6275
6276 dprintk(1, ": %s\n", fw ? "firmware loaded" : "firmware not loaded");
6277 if (!fw) {
6278 printk(KERN_ERR
6279 "drxk: Could not load firmware file %s.\n",
6280 state->microcode_name);
6281 printk(KERN_INFO
6282 "drxk: Copy %s to your hotplug directory!\n",
6283 state->microcode_name);
6284 state->microcode_name = NULL;
6285
6286 /*
6287 * As firmware is now load asynchronous, it is not possible
6288 * anymore to fail at frontend attach. We might silently
6289 * return here, and hope that the driver won't crash.
6290 * We might also change all DVB callbacks to return -ENODEV
6291 * if the device is not initialized.
6292 * As the DRX-K devices have their own internal firmware,
6293 * let's just hope that it will match a firmware revision
6294 * compatible with this driver and proceed.
6295 */
6296 }
6297 state->fw = fw;
6298
6299 init_drxk(state);
6300}
6301
6302static void drxk_release(struct dvb_frontend *fe)
6303{
6304 struct drxk_state *state = fe->demodulator_priv;
6305
6306 dprintk(1, "\n");
6307 if (state->fw)
6308 release_firmware(state->fw);
6309
6310 kfree(state);
6311}
6312
6313static int drxk_sleep(struct dvb_frontend *fe)
6314{
6315 struct drxk_state *state = fe->demodulator_priv;
6316
6317 dprintk(1, "\n");
6318
6319 if (state->m_DrxkState == DRXK_NO_DEV)
6320 return -ENODEV;
6321 if (state->m_DrxkState == DRXK_UNINITIALIZED)
6322 return 0;
6323
6324 ShutDown(state);
6325 return 0;
6326}
6327
6328static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
6329{
6330 struct drxk_state *state = fe->demodulator_priv;
6331
6332 dprintk(1, ": %s\n", enable ? "enable" : "disable");
6333
6334 if (state->m_DrxkState == DRXK_NO_DEV)
6335 return -ENODEV;
6336
6337 return ConfigureI2CBridge(state, enable ? true : false);
6338}
6339
6340static int drxk_set_parameters(struct dvb_frontend *fe)
6341{
6342 struct dtv_frontend_properties *p = &fe->dtv_property_cache;
6343 u32 delsys = p->delivery_system, old_delsys;
6344 struct drxk_state *state = fe->demodulator_priv;
6345 u32 IF;
6346
6347 dprintk(1, "\n");
6348
6349 if (state->m_DrxkState == DRXK_NO_DEV)
6350 return -ENODEV;
6351
6352 if (state->m_DrxkState == DRXK_UNINITIALIZED)
6353 return -EAGAIN;
6354
6355 if (!fe->ops.tuner_ops.get_if_frequency) {
6356 printk(KERN_ERR
6357 "drxk: Error: get_if_frequency() not defined at tuner. Can't work without it!\n");
6358 return -EINVAL;
6359 }
6360
6361 if (fe->ops.i2c_gate_ctrl)
6362 fe->ops.i2c_gate_ctrl(fe, 1);
6363 if (fe->ops.tuner_ops.set_params)
6364 fe->ops.tuner_ops.set_params(fe);
6365 if (fe->ops.i2c_gate_ctrl)
6366 fe->ops.i2c_gate_ctrl(fe, 0);
6367
6368 old_delsys = state->props.delivery_system;
6369 state->props = *p;
6370
6371 if (old_delsys != delsys) {
6372 ShutDown(state);
6373 switch (delsys) {
6374 case SYS_DVBC_ANNEX_A:
6375 case SYS_DVBC_ANNEX_C:
6376 if (!state->m_hasDVBC)
6377 return -EINVAL;
6378 state->m_itut_annex_c = (delsys == SYS_DVBC_ANNEX_C) ? true : false;
6379 if (state->m_itut_annex_c)
6380 SetOperationMode(state, OM_QAM_ITU_C);
6381 else
6382 SetOperationMode(state, OM_QAM_ITU_A);
6383 break;
6384 case SYS_DVBT:
6385 if (!state->m_hasDVBT)
6386 return -EINVAL;
6387 SetOperationMode(state, OM_DVBT);
6388 break;
6389 default:
6390 return -EINVAL;
6391 }
6392 }
6393
6394 fe->ops.tuner_ops.get_if_frequency(fe, &IF);
6395 Start(state, 0, IF);
6396
6397 /* printk(KERN_DEBUG "drxk: %s IF=%d done\n", __func__, IF); */
6398
6399 return 0;
6400}
6401
6402static int drxk_read_status(struct dvb_frontend *fe, fe_status_t *status)
6403{
6404 struct drxk_state *state = fe->demodulator_priv;
6405 u32 stat;
6406
6407 dprintk(1, "\n");
6408
6409 if (state->m_DrxkState == DRXK_NO_DEV)
6410 return -ENODEV;
6411 if (state->m_DrxkState == DRXK_UNINITIALIZED)
6412 return -EAGAIN;
6413
6414 *status = 0;
6415 GetLockStatus(state, &stat, 0);
6416 if (stat == MPEG_LOCK)
6417 *status |= 0x1f;
6418 if (stat == FEC_LOCK)
6419 *status |= 0x0f;
6420 if (stat == DEMOD_LOCK)
6421 *status |= 0x07;
6422 return 0;
6423}
6424
6425static int drxk_read_ber(struct dvb_frontend *fe, u32 *ber)
6426{
6427 struct drxk_state *state = fe->demodulator_priv;
6428
6429 dprintk(1, "\n");
6430
6431 if (state->m_DrxkState == DRXK_NO_DEV)
6432 return -ENODEV;
6433 if (state->m_DrxkState == DRXK_UNINITIALIZED)
6434 return -EAGAIN;
6435
6436 *ber = 0;
6437 return 0;
6438}
6439
6440static int drxk_read_signal_strength(struct dvb_frontend *fe,
6441 u16 *strength)
6442{
6443 struct drxk_state *state = fe->demodulator_priv;
6444 u32 val = 0;
6445
6446 dprintk(1, "\n");
6447
6448 if (state->m_DrxkState == DRXK_NO_DEV)
6449 return -ENODEV;
6450 if (state->m_DrxkState == DRXK_UNINITIALIZED)
6451 return -EAGAIN;
6452
6453 ReadIFAgc(state, &val);
6454 *strength = val & 0xffff;
6455 return 0;
6456}
6457
6458static int drxk_read_snr(struct dvb_frontend *fe, u16 *snr)
6459{
6460 struct drxk_state *state = fe->demodulator_priv;
6461 s32 snr2;
6462
6463 dprintk(1, "\n");
6464
6465 if (state->m_DrxkState == DRXK_NO_DEV)
6466 return -ENODEV;
6467 if (state->m_DrxkState == DRXK_UNINITIALIZED)
6468 return -EAGAIN;
6469
6470 GetSignalToNoise(state, &snr2);
6471 *snr = snr2 & 0xffff;
6472 return 0;
6473}
6474
6475static int drxk_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
6476{
6477 struct drxk_state *state = fe->demodulator_priv;
6478 u16 err;
6479
6480 dprintk(1, "\n");
6481
6482 if (state->m_DrxkState == DRXK_NO_DEV)
6483 return -ENODEV;
6484 if (state->m_DrxkState == DRXK_UNINITIALIZED)
6485 return -EAGAIN;
6486
6487 DVBTQAMGetAccPktErr(state, &err);
6488 *ucblocks = (u32) err;
6489 return 0;
6490}
6491
6492static int drxk_get_tune_settings(struct dvb_frontend *fe, struct dvb_frontend_tune_settings
6493 *sets)
6494{
6495 struct drxk_state *state = fe->demodulator_priv;
6496 struct dtv_frontend_properties *p = &fe->dtv_property_cache;
6497
6498 dprintk(1, "\n");
6499
6500 if (state->m_DrxkState == DRXK_NO_DEV)
6501 return -ENODEV;
6502 if (state->m_DrxkState == DRXK_UNINITIALIZED)
6503 return -EAGAIN;
6504
6505 switch (p->delivery_system) {
6506 case SYS_DVBC_ANNEX_A:
6507 case SYS_DVBC_ANNEX_C:
6508 case SYS_DVBT:
6509 sets->min_delay_ms = 3000;
6510 sets->max_drift = 0;
6511 sets->step_size = 0;
6512 return 0;
6513 default:
6514 return -EINVAL;
6515 }
6516}
6517
6518static struct dvb_frontend_ops drxk_ops = {
6519 /* .delsys will be filled dynamically */
6520 .info = {
6521 .name = "DRXK",
6522 .frequency_min = 47000000,
6523 .frequency_max = 865000000,
6524 /* For DVB-C */
6525 .symbol_rate_min = 870000,
6526 .symbol_rate_max = 11700000,
6527 /* For DVB-T */
6528 .frequency_stepsize = 166667,
6529
6530 .caps = FE_CAN_QAM_16 | FE_CAN_QAM_32 | FE_CAN_QAM_64 |
6531 FE_CAN_QAM_128 | FE_CAN_QAM_256 | FE_CAN_FEC_AUTO |
6532 FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
6533 FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_MUTE_TS |
6534 FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_RECOVER |
6535 FE_CAN_GUARD_INTERVAL_AUTO | FE_CAN_HIERARCHY_AUTO
6536 },
6537
6538 .release = drxk_release,
6539 .sleep = drxk_sleep,
6540 .i2c_gate_ctrl = drxk_gate_ctrl,
6541
6542 .set_frontend = drxk_set_parameters,
6543 .get_tune_settings = drxk_get_tune_settings,
6544
6545 .read_status = drxk_read_status,
6546 .read_ber = drxk_read_ber,
6547 .read_signal_strength = drxk_read_signal_strength,
6548 .read_snr = drxk_read_snr,
6549 .read_ucblocks = drxk_read_ucblocks,
6550};
6551
6552struct dvb_frontend *drxk_attach(const struct drxk_config *config,
6553 struct i2c_adapter *i2c)
6554{
6555 struct drxk_state *state = NULL;
6556 u8 adr = config->adr;
6557 int status;
6558
6559 dprintk(1, "\n");
6560 state = kzalloc(sizeof(struct drxk_state), GFP_KERNEL);
6561 if (!state)
6562 return NULL;
6563
6564 state->i2c = i2c;
6565 state->demod_address = adr;
6566 state->single_master = config->single_master;
6567 state->microcode_name = config->microcode_name;
6568 state->qam_demod_parameter_count = config->qam_demod_parameter_count;
6569 state->no_i2c_bridge = config->no_i2c_bridge;
6570 state->antenna_gpio = config->antenna_gpio;
6571 state->antenna_dvbt = config->antenna_dvbt;
6572 state->m_ChunkSize = config->chunk_size;
6573 state->enable_merr_cfg = config->enable_merr_cfg;
6574
6575 if (config->dynamic_clk) {
6576 state->m_DVBTStaticCLK = 0;
6577 state->m_DVBCStaticCLK = 0;
6578 } else {
6579 state->m_DVBTStaticCLK = 1;
6580 state->m_DVBCStaticCLK = 1;
6581 }
6582
6583
6584 if (config->mpeg_out_clk_strength)
6585 state->m_TSClockkStrength = config->mpeg_out_clk_strength & 0x07;
6586 else
6587 state->m_TSClockkStrength = 0x06;
6588
6589 if (config->parallel_ts)
6590 state->m_enableParallel = true;
6591 else
6592 state->m_enableParallel = false;
6593
6594 /* NOTE: as more UIO bits will be used, add them to the mask */
6595 state->UIO_mask = config->antenna_gpio;
6596
6597 /* Default gpio to DVB-C */
6598 if (!state->antenna_dvbt && state->antenna_gpio)
6599 state->m_GPIO |= state->antenna_gpio;
6600 else
6601 state->m_GPIO &= ~state->antenna_gpio;
6602
6603 mutex_init(&state->mutex);
6604
6605 memcpy(&state->frontend.ops, &drxk_ops, sizeof(drxk_ops));
6606 state->frontend.demodulator_priv = state;
6607
6608 init_state(state);
6609
6610 /* Load firmware and initialize DRX-K */
6611 if (state->microcode_name) {
6612 status = request_firmware_nowait(THIS_MODULE, 1,
6613 state->microcode_name,
6614 state->i2c->dev.parent,
6615 GFP_KERNEL,
6616 state, load_firmware_cb);
6617 if (status < 0) {
6618 printk(KERN_ERR
6619 "drxk: failed to request a firmware\n");
6620 return NULL;
6621 }
6622 } else if (init_drxk(state) < 0)
6623 goto error;
6624
6625 printk(KERN_INFO "drxk: frontend initialized.\n");
6626 return &state->frontend;
6627
6628error:
6629 printk(KERN_ERR "drxk: not found\n");
6630 kfree(state);
6631 return NULL;
6632}
6633EXPORT_SYMBOL(drxk_attach);
6634
6635MODULE_DESCRIPTION("DRX-K driver");
6636MODULE_AUTHOR("Ralph Metzler");
6637MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-27 02:24:27 -0500