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89f9257c HV |
1 | /* |
2 | * Driver for Micronas drx397xD demodulator | |
3 | * | |
4 | * Copyright (C) 2007 Henk Vergonet <Henk.Vergonet@gmail.com> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
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 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #define DEBUG /* uncomment if you want debugging output */ | |
21 | #include <linux/kernel.h> | |
22 | #include <linux/module.h> | |
23 | #include <linux/moduleparam.h> | |
24 | #include <linux/init.h> | |
25 | #include <linux/device.h> | |
26 | #include <linux/delay.h> | |
27 | #include <linux/string.h> | |
28 | #include <linux/firmware.h> | |
29 | ||
30 | #include "dvb_frontend.h" | |
31 | #include "drx397xD.h" | |
32 | ||
33 | static const char mod_name[] = "drx397xD"; | |
34 | ||
35 | #define MAX_CLOCK_DRIFT 200 /* maximal 200 PPM allowed */ | |
36 | ||
37 | #define F_SET_0D0h 1 | |
38 | #define F_SET_0D4h 2 | |
39 | ||
40 | typedef enum fw_ix { | |
41 | #define _FW_ENTRY(a, b) b | |
42 | #include "drx397xD_fw.h" | |
43 | } fw_ix_t; | |
44 | ||
45 | /* chip specifics */ | |
46 | struct drx397xD_state { | |
47 | struct i2c_adapter *i2c; | |
48 | struct dvb_frontend frontend; | |
49 | struct drx397xD_config config; | |
50 | fw_ix_t chip_rev; | |
51 | int flags; | |
52 | u32 bandwidth_parm; /* internal bandwidth conversions */ | |
53 | u32 f_osc; /* w90: actual osc frequency [Hz] */ | |
54 | }; | |
55 | ||
56 | /******************************************************************************* | |
57 | * Firmware | |
58 | ******************************************************************************/ | |
59 | ||
60 | static const char *blob_name[] = { | |
61 | #define _BLOB_ENTRY(a, b) a | |
62 | #include "drx397xD_fw.h" | |
63 | }; | |
64 | ||
65 | typedef enum blob_ix { | |
66 | #define _BLOB_ENTRY(a, b) b | |
67 | #include "drx397xD_fw.h" | |
68 | } blob_ix_t; | |
69 | ||
70 | static struct { | |
71 | const char *name; | |
72 | const struct firmware *file; | |
73 | rwlock_t lock; | |
74 | int refcnt; | |
75 | u8 *data[ARRAY_SIZE(blob_name)]; | |
76 | } fw[] = { | |
77 | #define _FW_ENTRY(a, b) { \ | |
78 | .name = a, \ | |
79 | .file = 0, \ | |
80 | .lock = RW_LOCK_UNLOCKED, \ | |
81 | .refcnt = 0, \ | |
82 | .data = { } } | |
83 | #include "drx397xD_fw.h" | |
84 | }; | |
85 | ||
86 | /* use only with writer lock aquired */ | |
87 | static void _drx_release_fw(struct drx397xD_state *s, fw_ix_t ix) | |
88 | { | |
89 | memset(&fw[ix].data[0], 0, sizeof(fw[0].data)); | |
90 | if (fw[ix].file) | |
91 | release_firmware(fw[ix].file); | |
92 | } | |
93 | ||
94 | static void drx_release_fw(struct drx397xD_state *s) | |
95 | { | |
96 | fw_ix_t ix = s->chip_rev; | |
97 | ||
98 | pr_debug("%s\n", __FUNCTION__); | |
99 | ||
100 | write_lock(&fw[ix].lock); | |
101 | if (fw[ix].refcnt) { | |
102 | fw[ix].refcnt--; | |
103 | if (fw[ix].refcnt == 0) | |
104 | _drx_release_fw(s, ix); | |
105 | } | |
106 | write_unlock(&fw[ix].lock); | |
107 | } | |
108 | ||
109 | static int drx_load_fw(struct drx397xD_state *s, fw_ix_t ix) | |
110 | { | |
111 | u8 *data; | |
112 | size_t size, len; | |
113 | int i = 0, j, rc = -EINVAL; | |
114 | ||
115 | pr_debug("%s\n", __FUNCTION__); | |
116 | ||
117 | if (ix < 0 || ix >= ARRAY_SIZE(fw)) | |
118 | return -EINVAL; | |
119 | s->chip_rev = ix; | |
120 | ||
121 | write_lock(&fw[ix].lock); | |
122 | if (fw[ix].file) { | |
123 | rc = 0; | |
124 | goto exit_ok; | |
125 | } | |
126 | memset(&fw[ix].data[0], 0, sizeof(fw[0].data)); | |
127 | ||
128 | if (request_firmware(&fw[ix].file, fw[ix].name, &s->i2c->dev) != 0) { | |
129 | printk(KERN_ERR "%s: Firmware \"%s\" not available\n", | |
130 | mod_name, fw[ix].name); | |
131 | rc = -ENOENT; | |
132 | goto exit_err; | |
133 | } | |
134 | ||
135 | if (!fw[ix].file->data || fw[ix].file->size < 10) | |
136 | goto exit_corrupt; | |
137 | ||
138 | data = fw[ix].file->data; | |
139 | size = fw[ix].file->size; | |
140 | ||
141 | if (data[i++] != 2) /* check firmware version */ | |
142 | goto exit_corrupt; | |
143 | ||
144 | do { | |
145 | switch (data[i++]) { | |
146 | case 0x00: /* bytecode */ | |
147 | if (i >= size) | |
148 | break; | |
149 | i += data[i]; | |
150 | case 0x01: /* reset */ | |
151 | case 0x02: /* sleep */ | |
152 | i++; | |
153 | break; | |
154 | case 0xfe: /* name */ | |
155 | len = strnlen(&data[i], size - i); | |
156 | if (i + len + 1 >= size) | |
157 | goto exit_corrupt; | |
158 | if (data[i + len + 1] != 0) | |
159 | goto exit_corrupt; | |
160 | for (j = 0; j < ARRAY_SIZE(blob_name); j++) { | |
161 | if (strcmp(blob_name[j], &data[i]) == 0) { | |
162 | fw[ix].data[j] = &data[i + len + 1]; | |
163 | pr_debug("Loading %s\n", blob_name[j]); | |
164 | } | |
165 | } | |
166 | i += len + 1; | |
167 | break; | |
168 | case 0xff: /* file terminator */ | |
169 | if (i == size) { | |
170 | rc = 0; | |
171 | goto exit_ok; | |
172 | } | |
173 | default: | |
174 | goto exit_corrupt; | |
175 | } | |
176 | } while (i < size); | |
177 | exit_corrupt: | |
178 | printk(KERN_ERR "%s: Firmware is corrupt\n", mod_name); | |
179 | exit_err: | |
180 | _drx_release_fw(s, ix); | |
181 | fw[ix].refcnt--; | |
182 | exit_ok: | |
183 | fw[ix].refcnt++; | |
184 | write_unlock(&fw[ix].lock); | |
185 | return rc; | |
186 | } | |
187 | ||
188 | /******************************************************************************* | |
189 | * i2c bus IO | |
190 | ******************************************************************************/ | |
191 | ||
192 | static int write_fw(struct drx397xD_state *s, blob_ix_t ix) | |
193 | { | |
194 | struct i2c_msg msg = {.addr = s->config.demod_address,.flags = 0 }; | |
195 | u8 *data; | |
196 | int len, rc = 0, i = 0; | |
197 | ||
198 | if (ix < 0 || ix >= ARRAY_SIZE(blob_name)) { | |
199 | pr_debug("%s drx_fw_ix_t out of range\n", __FUNCTION__); | |
200 | return -EINVAL; | |
201 | } | |
202 | pr_debug("%s %s\n", __FUNCTION__, blob_name[ix]); | |
203 | ||
204 | read_lock(&fw[s->chip_rev].lock); | |
205 | data = fw[s->chip_rev].data[ix]; | |
206 | if (!data) { | |
207 | rc = -EINVAL; | |
208 | goto exit_rc; | |
209 | } | |
210 | ||
211 | for (;;) { | |
212 | switch (data[i++]) { | |
213 | case 0: /* bytecode */ | |
214 | len = data[i++]; | |
215 | msg.len = len; | |
216 | msg.buf = &data[i]; | |
217 | if (i2c_transfer(s->i2c, &msg, 1) != 1) { | |
218 | rc = -EIO; | |
219 | goto exit_rc; | |
220 | } | |
221 | i += len; | |
222 | break; | |
223 | case 1: /* reset */ | |
224 | case 2: /* sleep */ | |
225 | i++; | |
226 | break; | |
227 | default: | |
228 | goto exit_rc; | |
229 | } | |
230 | } | |
231 | exit_rc: | |
232 | read_unlock(&fw[s->chip_rev].lock); | |
233 | return 0; | |
234 | } | |
235 | ||
236 | /* Function is not endian safe, use the RD16 wrapper below */ | |
237 | static int _read16(struct drx397xD_state *s, u32 i2c_adr) | |
238 | { | |
239 | int rc; | |
240 | u8 a[4]; | |
241 | u16 v; | |
242 | struct i2c_msg msg[2] = { | |
243 | { | |
244 | .addr = s->config.demod_address, | |
245 | .flags = 0, | |
246 | .buf = a, | |
247 | .len = sizeof(a) | |
248 | } | |
249 | , { | |
250 | .addr = s->config.demod_address, | |
251 | .flags = I2C_M_RD, | |
252 | .buf = (u8 *) & v, | |
253 | .len = sizeof(v) | |
254 | } | |
255 | }; | |
256 | ||
257 | *(u32 *) a = i2c_adr; | |
258 | ||
259 | rc = i2c_transfer(s->i2c, msg, 2); | |
260 | if (rc != 2) | |
261 | return -EIO; | |
262 | ||
263 | return le16_to_cpu(v); | |
264 | } | |
265 | ||
266 | /* Function is not endian safe, use the WR16.. wrappers below */ | |
267 | static int _write16(struct drx397xD_state *s, u32 i2c_adr, u16 val) | |
268 | { | |
269 | u8 a[6]; | |
270 | int rc; | |
271 | struct i2c_msg msg = { | |
272 | .addr = s->config.demod_address, | |
273 | .flags = 0, | |
274 | .buf = a, | |
275 | .len = sizeof(a) | |
276 | }; | |
277 | ||
278 | *(u32 *) a = i2c_adr; | |
279 | *(u16 *) & a[4] = val; | |
280 | ||
281 | rc = i2c_transfer(s->i2c, &msg, 1); | |
282 | if (rc != 1) | |
283 | return -EIO; | |
284 | return 0; | |
285 | } | |
286 | ||
287 | #define WR16(ss,adr, val) \ | |
288 | _write16(ss, I2C_ADR_C0(adr), cpu_to_le16(val)) | |
289 | #define WR16_E0(ss,adr, val) \ | |
290 | _write16(ss, I2C_ADR_E0(adr), cpu_to_le16(val)) | |
291 | #define RD16(ss,adr) \ | |
292 | _read16(ss, I2C_ADR_C0(adr)) | |
293 | ||
294 | #define EXIT_RC( cmd ) if ( (rc = (cmd)) < 0) goto exit_rc | |
295 | ||
296 | /******************************************************************************* | |
297 | * Tuner callback | |
298 | ******************************************************************************/ | |
299 | ||
300 | static int PLL_Set(struct drx397xD_state *s, | |
301 | struct dvb_frontend_parameters *fep, int *df_tuner) | |
302 | { | |
303 | struct dvb_frontend *fe = &s->frontend; | |
304 | u32 f_tuner, f = fep->frequency; | |
305 | int rc; | |
306 | ||
307 | pr_debug("%s\n", __FUNCTION__); | |
308 | ||
309 | if ((f > s->frontend.ops.tuner_ops.info.frequency_max) || | |
310 | (f < s->frontend.ops.tuner_ops.info.frequency_min)) | |
311 | return -EINVAL; | |
312 | ||
313 | *df_tuner = 0; | |
314 | if (!s->frontend.ops.tuner_ops.set_params || | |
315 | !s->frontend.ops.tuner_ops.get_frequency) | |
316 | return -ENOSYS; | |
317 | ||
318 | rc = s->frontend.ops.tuner_ops.set_params(fe, fep); | |
319 | if (rc < 0) | |
320 | return rc; | |
321 | ||
322 | rc = s->frontend.ops.tuner_ops.get_frequency(fe, &f_tuner); | |
323 | if (rc < 0) | |
324 | return rc; | |
325 | ||
326 | *df_tuner = f_tuner - f; | |
327 | pr_debug("%s requested %d [Hz] tuner %d [Hz]\n", __FUNCTION__, f, | |
328 | f_tuner); | |
329 | ||
330 | return 0; | |
331 | } | |
332 | ||
333 | /******************************************************************************* | |
334 | * Demodulator helper functions | |
335 | ******************************************************************************/ | |
336 | ||
337 | static int SC_WaitForReady(struct drx397xD_state *s) | |
338 | { | |
339 | int cnt = 1000; | |
340 | int rc; | |
341 | ||
342 | pr_debug("%s\n", __FUNCTION__); | |
343 | ||
344 | while (cnt--) { | |
345 | rc = RD16(s, 0x820043); | |
346 | if (rc == 0) | |
347 | return 0; | |
348 | } | |
349 | return -1; | |
350 | } | |
351 | ||
352 | static int SC_SendCommand(struct drx397xD_state *s, int cmd) | |
353 | { | |
354 | int rc; | |
355 | ||
356 | pr_debug("%s\n", __FUNCTION__); | |
357 | ||
358 | WR16(s, 0x820043, cmd); | |
359 | SC_WaitForReady(s); | |
360 | rc = RD16(s, 0x820042); | |
361 | if ((rc & 0xffff) == 0xffff) | |
362 | return -1; | |
363 | return 0; | |
364 | } | |
365 | ||
366 | static int HI_Command(struct drx397xD_state *s, u16 cmd) | |
367 | { | |
368 | int rc, cnt = 1000; | |
369 | ||
370 | pr_debug("%s\n", __FUNCTION__); | |
371 | ||
372 | rc = WR16(s, 0x420032, cmd); | |
373 | if (rc < 0) | |
374 | return rc; | |
375 | ||
376 | do { | |
377 | rc = RD16(s, 0x420032); | |
378 | if (rc == 0) { | |
379 | rc = RD16(s, 0x420031); | |
380 | return rc; | |
381 | } | |
382 | if (rc < 0) | |
383 | return rc; | |
384 | } while (--cnt); | |
385 | return rc; | |
386 | } | |
387 | ||
388 | static int HI_CfgCommand(struct drx397xD_state *s) | |
389 | { | |
390 | ||
391 | pr_debug("%s\n", __FUNCTION__); | |
392 | ||
393 | WR16(s, 0x420033, 0x3973); | |
394 | WR16(s, 0x420034, s->config.w50); // code 4, log 4 | |
395 | WR16(s, 0x420035, s->config.w52); // code 15, log 9 | |
396 | WR16(s, 0x420036, s->config.demod_address << 1); | |
397 | WR16(s, 0x420037, s->config.w56); // code (set_i2c ?? initX 1 ), log 1 | |
398 | // WR16(s, 0x420033, 0x3973); | |
399 | if ((s->config.w56 & 8) == 0) | |
400 | return HI_Command(s, 3); | |
401 | return WR16(s, 0x420032, 0x3); | |
402 | } | |
403 | ||
404 | static const u8 fastIncrDecLUT_15273[] = { | |
405 | 0x0e, 0x0f, 0x0f, 0x10, 0x11, 0x12, 0x12, 0x13, 0x14, | |
406 | 0x15, 0x16, 0x17, 0x18, 0x1a, 0x1b, 0x1c, 0x1d, 0x1f | |
407 | }; | |
408 | ||
409 | static const u8 slowIncrDecLUT_15272[] = { | |
410 | 3, 4, 4, 5, 6 | |
411 | }; | |
412 | ||
413 | static int SetCfgIfAgc(struct drx397xD_state *s, struct drx397xD_CfgIfAgc *agc) | |
414 | { | |
415 | u16 w06 = agc->w06; | |
416 | u16 w08 = agc->w08; | |
417 | u16 w0A = agc->w0A; | |
418 | u16 w0C = agc->w0C; | |
419 | int quot, rem, i, rc = -EINVAL; | |
420 | ||
421 | pr_debug("%s\n", __FUNCTION__); | |
422 | ||
423 | if (agc->w04 > 0x3ff) | |
424 | goto exit_rc; | |
425 | ||
426 | if (agc->d00 == 1) { | |
427 | EXIT_RC(RD16(s, 0x0c20010)); | |
428 | rc &= ~0x10; | |
429 | EXIT_RC(WR16(s, 0x0c20010, rc)); | |
430 | return WR16(s, 0x0c20030, agc->w04 & 0x7ff); | |
431 | } | |
432 | ||
433 | if (agc->d00 != 0) | |
434 | goto exit_rc; | |
435 | if (w0A < w08) | |
436 | goto exit_rc; | |
437 | if (w0A > 0x3ff) | |
438 | goto exit_rc; | |
439 | if (w0C > 0x3ff) | |
440 | goto exit_rc; | |
441 | if (w06 > 0x3ff) | |
442 | goto exit_rc; | |
443 | ||
444 | EXIT_RC(RD16(s, 0x0c20010)); | |
445 | rc |= 0x10; | |
446 | EXIT_RC(WR16(s, 0x0c20010, rc)); | |
447 | ||
448 | EXIT_RC(WR16(s, 0x0c20025, (w06 >> 1) & 0x1ff)); | |
449 | EXIT_RC(WR16(s, 0x0c20031, (w0A - w08) >> 1)); | |
450 | EXIT_RC(WR16(s, 0x0c20032, ((w0A + w08) >> 1) - 0x1ff)); | |
451 | ||
452 | quot = w0C / 113; | |
453 | rem = w0C % 113; | |
454 | if (quot <= 8) { | |
455 | quot = 8 - quot; | |
456 | } else { | |
457 | quot = 0; | |
458 | rem += 113; | |
459 | } | |
460 | ||
461 | EXIT_RC(WR16(s, 0x0c20024, quot)); | |
462 | ||
463 | i = fastIncrDecLUT_15273[rem / 8]; | |
464 | EXIT_RC(WR16(s, 0x0c2002d, i)); | |
465 | EXIT_RC(WR16(s, 0x0c2002e, i)); | |
466 | ||
467 | i = slowIncrDecLUT_15272[rem / 28]; | |
468 | EXIT_RC(WR16(s, 0x0c2002b, i)); | |
469 | rc = WR16(s, 0x0c2002c, i); | |
470 | exit_rc: | |
471 | return rc; | |
472 | } | |
473 | ||
474 | static int SetCfgRfAgc(struct drx397xD_state *s, struct drx397xD_CfgRfAgc *agc) | |
475 | { | |
476 | u16 w04 = agc->w04; | |
477 | u16 w06 = agc->w06; | |
478 | int rc = -1; | |
479 | ||
480 | pr_debug("%s %d 0x%x 0x%x\n", __FUNCTION__, agc->d00, w04, w06); | |
481 | ||
482 | if (w04 > 0x3ff) | |
483 | goto exit_rc; | |
484 | ||
485 | switch (agc->d00) { | |
486 | case 1: | |
487 | if (w04 == 0x3ff) | |
488 | w04 = 0x400; | |
489 | ||
490 | EXIT_RC(WR16(s, 0x0c20036, w04)); | |
491 | s->config.w9C &= ~2; | |
492 | EXIT_RC(WR16(s, 0x0c20015, s->config.w9C)); | |
493 | EXIT_RC(RD16(s, 0x0c20010)); | |
494 | rc &= 0xbfdf; | |
495 | EXIT_RC(WR16(s, 0x0c20010, rc)); | |
496 | EXIT_RC(RD16(s, 0x0c20013)); | |
497 | rc &= ~2; | |
498 | break; | |
499 | case 0: | |
500 | // loc_8000659 | |
501 | s->config.w9C &= ~2; | |
502 | EXIT_RC(WR16(s, 0x0c20015, s->config.w9C)); | |
503 | EXIT_RC(RD16(s, 0x0c20010)); | |
504 | rc &= 0xbfdf; | |
505 | rc |= 0x4000; | |
506 | EXIT_RC(WR16(s, 0x0c20010, rc)); | |
507 | EXIT_RC(WR16(s, 0x0c20051, (w06 >> 4) & 0x3f)); | |
508 | EXIT_RC(RD16(s, 0x0c20013)); | |
509 | rc &= ~2; | |
510 | break; | |
511 | default: | |
512 | s->config.w9C |= 2; | |
513 | EXIT_RC(WR16(s, 0x0c20015, s->config.w9C)); | |
514 | EXIT_RC(RD16(s, 0x0c20010)); | |
515 | rc &= 0xbfdf; | |
516 | EXIT_RC(WR16(s, 0x0c20010, rc)); | |
517 | ||
518 | EXIT_RC(WR16(s, 0x0c20036, 0)); | |
519 | ||
520 | EXIT_RC(RD16(s, 0x0c20013)); | |
521 | rc |= 2; | |
522 | } | |
523 | rc = WR16(s, 0x0c20013, rc); | |
524 | exit_rc: | |
525 | return rc; | |
526 | } | |
527 | ||
528 | static int GetLockStatus(struct drx397xD_state *s, int *lockstat) | |
529 | { | |
530 | int rc; | |
531 | ||
532 | *lockstat = 0; | |
533 | ||
534 | rc = RD16(s, 0x082004b); | |
535 | if (rc < 0) | |
536 | return rc; | |
537 | ||
538 | if (s->config.d60 != 2) | |
539 | return 0; | |
540 | ||
541 | if ((rc & 7) == 7) | |
542 | *lockstat |= 1; | |
543 | if ((rc & 3) == 3) | |
544 | *lockstat |= 2; | |
545 | if (rc & 1) | |
546 | *lockstat |= 4; | |
547 | return 0; | |
548 | } | |
549 | ||
550 | static int CorrectSysClockDeviation(struct drx397xD_state *s) | |
551 | { | |
552 | int rc = -EINVAL; | |
553 | int lockstat; | |
554 | u32 clk, clk_limit; | |
555 | ||
556 | pr_debug("%s\n", __FUNCTION__); | |
557 | ||
558 | if (s->config.d5C == 0) { | |
559 | EXIT_RC(WR16(s, 0x08200e8, 0x010)); | |
560 | EXIT_RC(WR16(s, 0x08200e9, 0x113)); | |
561 | s->config.d5C = 1; | |
562 | return rc; | |
563 | } | |
564 | if (s->config.d5C != 1) | |
565 | goto exit_rc; | |
566 | ||
567 | rc = RD16(s, 0x0820048); | |
568 | ||
569 | rc = GetLockStatus(s, &lockstat); | |
570 | if (rc < 0) | |
571 | goto exit_rc; | |
572 | if ((lockstat & 1) == 0) | |
573 | goto exit_rc; | |
574 | ||
575 | EXIT_RC(WR16(s, 0x0420033, 0x200)); | |
576 | EXIT_RC(WR16(s, 0x0420034, 0xc5)); | |
577 | EXIT_RC(WR16(s, 0x0420035, 0x10)); | |
578 | EXIT_RC(WR16(s, 0x0420036, 0x1)); | |
579 | EXIT_RC(WR16(s, 0x0420037, 0xa)); | |
580 | EXIT_RC(HI_Command(s, 6)); | |
581 | EXIT_RC(RD16(s, 0x0420040)); | |
582 | clk = rc; | |
583 | EXIT_RC(RD16(s, 0x0420041)); | |
584 | clk |= rc << 16; | |
585 | ||
586 | if (clk <= 0x26ffff) | |
587 | goto exit_rc; | |
588 | if (clk > 0x610000) | |
589 | goto exit_rc; | |
590 | ||
591 | if (!s->bandwidth_parm) | |
592 | return -EINVAL; | |
593 | ||
594 | /* round & convert to Hz */ | |
595 | clk = ((u64) (clk + 0x800000) * s->bandwidth_parm + (1 << 20)) >> 21; | |
596 | clk_limit = s->config.f_osc * MAX_CLOCK_DRIFT / 1000; | |
597 | ||
598 | if (clk - s->config.f_osc * 1000 + clk_limit <= 2 * clk_limit) { | |
599 | s->f_osc = clk; | |
600 | pr_debug("%s: osc %d %d [Hz]\n", __FUNCTION__, | |
601 | s->config.f_osc * 1000, clk - s->config.f_osc * 1000); | |
602 | } | |
603 | rc = WR16(s, 0x08200e8, 0); | |
604 | exit_rc: | |
605 | return rc; | |
606 | } | |
607 | ||
608 | static int ConfigureMPEGOutput(struct drx397xD_state *s, int type) | |
609 | { | |
610 | int rc, si, bp; | |
611 | ||
612 | pr_debug("%s\n", __FUNCTION__); | |
613 | ||
614 | si = s->config.wA0; | |
615 | if (s->config.w98 == 0) { | |
616 | si |= 1; | |
617 | bp = 0; | |
618 | } else { | |
619 | si &= ~1; | |
620 | bp = 0x200; | |
621 | } | |
622 | if (s->config.w9A == 0) { | |
623 | si |= 0x80; | |
624 | } else { | |
625 | si &= ~0x80; | |
626 | } | |
627 | ||
628 | EXIT_RC(WR16(s, 0x2150045, 0)); | |
629 | EXIT_RC(WR16(s, 0x2150010, si)); | |
630 | EXIT_RC(WR16(s, 0x2150011, bp)); | |
631 | rc = WR16(s, 0x2150012, (type == 0 ? 0xfff : 0)); | |
632 | exit_rc: | |
633 | return rc; | |
634 | } | |
635 | ||
636 | static int drx_tune(struct drx397xD_state *s, | |
637 | struct dvb_frontend_parameters *fep) | |
638 | { | |
639 | u16 v22 = 0; | |
640 | u16 v1C = 0; | |
641 | u16 v1A = 0; | |
642 | u16 v18 = 0; | |
643 | u32 edi = 0, ebx = 0, ebp = 0, edx = 0; | |
644 | u16 v20 = 0, v1E = 0, v16 = 0, v14 = 0, v12 = 0, v10 = 0, v0E = 0; | |
645 | ||
646 | int rc, df_tuner; | |
647 | int a, b, c, d; | |
648 | pr_debug("%s %d\n", __FUNCTION__, s->config.d60); | |
649 | ||
650 | if (s->config.d60 != 2) | |
651 | goto set_tuner; | |
652 | rc = CorrectSysClockDeviation(s); | |
653 | if (rc < 0) | |
654 | goto set_tuner; | |
655 | ||
656 | s->config.d60 = 1; | |
657 | rc = ConfigureMPEGOutput(s, 0); | |
658 | if (rc < 0) | |
659 | goto set_tuner; | |
660 | set_tuner: | |
661 | ||
662 | rc = PLL_Set(s, fep, &df_tuner); | |
663 | if (rc < 0) { | |
664 | printk(KERN_ERR "Error in pll_set\n"); | |
665 | goto exit_rc; | |
666 | } | |
667 | msleep(200); | |
668 | ||
669 | a = rc = RD16(s, 0x2150016); | |
670 | if (rc < 0) | |
671 | goto exit_rc; | |
672 | b = rc = RD16(s, 0x2150010); | |
673 | if (rc < 0) | |
674 | goto exit_rc; | |
675 | c = rc = RD16(s, 0x2150034); | |
676 | if (rc < 0) | |
677 | goto exit_rc; | |
678 | d = rc = RD16(s, 0x2150035); | |
679 | if (rc < 0) | |
680 | goto exit_rc; | |
681 | rc = WR16(s, 0x2150014, c); | |
682 | rc = WR16(s, 0x2150015, d); | |
683 | rc = WR16(s, 0x2150010, 0); | |
684 | rc = WR16(s, 0x2150000, 2); | |
685 | rc = WR16(s, 0x2150036, 0x0fff); | |
686 | rc = WR16(s, 0x2150016, a); | |
687 | ||
688 | rc = WR16(s, 0x2150010, 2); | |
689 | rc = WR16(s, 0x2150007, 0); | |
690 | rc = WR16(s, 0x2150000, 1); | |
691 | rc = WR16(s, 0x2110000, 0); | |
692 | rc = WR16(s, 0x0800000, 0); | |
693 | rc = WR16(s, 0x2800000, 0); | |
694 | rc = WR16(s, 0x2110010, 0x664); | |
695 | ||
696 | rc = write_fw(s, DRXD_ResetECRAM); | |
697 | rc = WR16(s, 0x2110000, 1); | |
698 | ||
699 | rc = write_fw(s, DRXD_InitSC); | |
700 | if (rc < 0) | |
701 | goto exit_rc; | |
702 | ||
703 | rc = SetCfgIfAgc(s, &s->config.ifagc); | |
704 | if (rc < 0) | |
705 | goto exit_rc; | |
706 | ||
707 | rc = SetCfgRfAgc(s, &s->config.rfagc); | |
708 | if (rc < 0) | |
709 | goto exit_rc; | |
710 | ||
711 | if (fep->u.ofdm.transmission_mode != TRANSMISSION_MODE_2K) | |
712 | v22 = 1; | |
713 | switch (fep->u.ofdm.transmission_mode) { | |
714 | case TRANSMISSION_MODE_8K: | |
715 | edi = 1; | |
716 | if (s->chip_rev == DRXD_FW_B1) | |
717 | break; | |
718 | ||
719 | rc = WR16(s, 0x2010010, 0); | |
720 | if (rc < 0) | |
721 | break; | |
722 | v1C = 0x63; | |
723 | v1A = 0x53; | |
724 | v18 = 0x43; | |
725 | break; | |
726 | default: | |
727 | edi = 0; | |
728 | if (s->chip_rev == DRXD_FW_B1) | |
729 | break; | |
730 | ||
731 | rc = WR16(s, 0x2010010, 1); | |
732 | if (rc < 0) | |
733 | break; | |
734 | ||
735 | v1C = 0x61; | |
736 | v1A = 0x47; | |
737 | v18 = 0x41; | |
738 | } | |
739 | ||
740 | switch (fep->u.ofdm.guard_interval) { | |
741 | case GUARD_INTERVAL_1_4: | |
742 | edi |= 0x0c; | |
743 | break; | |
744 | case GUARD_INTERVAL_1_8: | |
745 | edi |= 0x08; | |
746 | break; | |
747 | case GUARD_INTERVAL_1_16: | |
748 | edi |= 0x04; | |
749 | break; | |
750 | case GUARD_INTERVAL_1_32: | |
751 | break; | |
752 | default: | |
753 | v22 |= 2; | |
754 | } | |
755 | ||
756 | ebx = 0; | |
757 | ebp = 0; | |
758 | v20 = 0; | |
759 | v1E = 0; | |
760 | v16 = 0; | |
761 | v14 = 0; | |
762 | v12 = 0; | |
763 | v10 = 0; | |
764 | v0E = 0; | |
765 | ||
766 | switch (fep->u.ofdm.hierarchy_information) { | |
767 | case HIERARCHY_1: | |
768 | edi |= 0x40; | |
769 | if (s->chip_rev == DRXD_FW_B1) | |
770 | break; | |
771 | rc = WR16(s, 0x1c10047, 1); | |
772 | if (rc < 0) | |
773 | goto exit_rc; | |
774 | rc = WR16(s, 0x2010012, 1); | |
775 | if (rc < 0) | |
776 | goto exit_rc; | |
777 | ebx = 0x19f; | |
778 | ebp = 0x1fb; | |
779 | v20 = 0x0c0; | |
780 | v1E = 0x195; | |
781 | v16 = 0x1d6; | |
782 | v14 = 0x1ef; | |
783 | v12 = 4; | |
784 | v10 = 5; | |
785 | v0E = 5; | |
786 | break; | |
787 | case HIERARCHY_2: | |
788 | edi |= 0x80; | |
789 | if (s->chip_rev == DRXD_FW_B1) | |
790 | break; | |
791 | rc = WR16(s, 0x1c10047, 2); | |
792 | if (rc < 0) | |
793 | goto exit_rc; | |
794 | rc = WR16(s, 0x2010012, 2); | |
795 | if (rc < 0) | |
796 | goto exit_rc; | |
797 | ebx = 0x08f; | |
798 | ebp = 0x12f; | |
799 | v20 = 0x0c0; | |
800 | v1E = 0x11e; | |
801 | v16 = 0x1d6; | |
802 | v14 = 0x15e; | |
803 | v12 = 4; | |
804 | v10 = 5; | |
805 | v0E = 5; | |
806 | break; | |
807 | case HIERARCHY_4: | |
808 | edi |= 0xc0; | |
809 | if (s->chip_rev == DRXD_FW_B1) | |
810 | break; | |
811 | rc = WR16(s, 0x1c10047, 3); | |
812 | if (rc < 0) | |
813 | goto exit_rc; | |
814 | rc = WR16(s, 0x2010012, 3); | |
815 | if (rc < 0) | |
816 | goto exit_rc; | |
817 | ebx = 0x14d; | |
818 | ebp = 0x197; | |
819 | v20 = 0x0c0; | |
820 | v1E = 0x1ce; | |
821 | v16 = 0x1d6; | |
822 | v14 = 0x11a; | |
823 | v12 = 4; | |
824 | v10 = 6; | |
825 | v0E = 5; | |
826 | break; | |
827 | default: | |
828 | v22 |= 8; | |
829 | if (s->chip_rev == DRXD_FW_B1) | |
830 | break; | |
831 | rc = WR16(s, 0x1c10047, 0); | |
832 | if (rc < 0) | |
833 | goto exit_rc; | |
834 | rc = WR16(s, 0x2010012, 0); | |
835 | if (rc < 0) | |
836 | goto exit_rc; | |
837 | // QPSK QAM16 QAM64 | |
838 | ebx = 0x19f; // 62 | |
839 | ebp = 0x1fb; // 15 | |
840 | v20 = 0x16a; // 62 | |
841 | v1E = 0x195; // 62 | |
842 | v16 = 0x1bb; // 15 | |
843 | v14 = 0x1ef; // 15 | |
844 | v12 = 5; // 16 | |
845 | v10 = 5; // 16 | |
846 | v0E = 5; // 16 | |
847 | } | |
848 | ||
849 | switch (fep->u.ofdm.constellation) { | |
850 | default: | |
851 | v22 |= 4; | |
852 | case QPSK: | |
853 | if (s->chip_rev == DRXD_FW_B1) | |
854 | break; | |
855 | ||
856 | rc = WR16(s, 0x1c10046, 0); | |
857 | if (rc < 0) | |
858 | goto exit_rc; | |
859 | rc = WR16(s, 0x2010011, 0); | |
860 | if (rc < 0) | |
861 | goto exit_rc; | |
862 | rc = WR16(s, 0x201001a, 0x10); | |
863 | if (rc < 0) | |
864 | goto exit_rc; | |
865 | rc = WR16(s, 0x201001b, 0); | |
866 | if (rc < 0) | |
867 | goto exit_rc; | |
868 | rc = WR16(s, 0x201001c, 0); | |
869 | if (rc < 0) | |
870 | goto exit_rc; | |
871 | rc = WR16(s, 0x1c10062, v20); | |
872 | if (rc < 0) | |
873 | goto exit_rc; | |
874 | rc = WR16(s, 0x1c1002a, v1C); | |
875 | if (rc < 0) | |
876 | goto exit_rc; | |
877 | rc = WR16(s, 0x1c10015, v16); | |
878 | if (rc < 0) | |
879 | goto exit_rc; | |
880 | rc = WR16(s, 0x1c10016, v12); | |
881 | if (rc < 0) | |
882 | goto exit_rc; | |
883 | break; | |
884 | case QAM_16: | |
885 | edi |= 0x10; | |
886 | if (s->chip_rev == DRXD_FW_B1) | |
887 | break; | |
888 | ||
889 | rc = WR16(s, 0x1c10046, 1); | |
890 | if (rc < 0) | |
891 | goto exit_rc; | |
892 | rc = WR16(s, 0x2010011, 1); | |
893 | if (rc < 0) | |
894 | goto exit_rc; | |
895 | rc = WR16(s, 0x201001a, 0x10); | |
896 | if (rc < 0) | |
897 | goto exit_rc; | |
898 | rc = WR16(s, 0x201001b, 4); | |
899 | if (rc < 0) | |
900 | goto exit_rc; | |
901 | rc = WR16(s, 0x201001c, 0); | |
902 | if (rc < 0) | |
903 | goto exit_rc; | |
904 | rc = WR16(s, 0x1c10062, v1E); | |
905 | if (rc < 0) | |
906 | goto exit_rc; | |
907 | rc = WR16(s, 0x1c1002a, v1A); | |
908 | if (rc < 0) | |
909 | goto exit_rc; | |
910 | rc = WR16(s, 0x1c10015, v14); | |
911 | if (rc < 0) | |
912 | goto exit_rc; | |
913 | rc = WR16(s, 0x1c10016, v10); | |
914 | if (rc < 0) | |
915 | goto exit_rc; | |
916 | break; | |
917 | case QAM_64: | |
918 | edi |= 0x20; | |
919 | rc = WR16(s, 0x1c10046, 2); | |
920 | if (rc < 0) | |
921 | goto exit_rc; | |
922 | rc = WR16(s, 0x2010011, 2); | |
923 | if (rc < 0) | |
924 | goto exit_rc; | |
925 | rc = WR16(s, 0x201001a, 0x20); | |
926 | if (rc < 0) | |
927 | goto exit_rc; | |
928 | rc = WR16(s, 0x201001b, 8); | |
929 | if (rc < 0) | |
930 | goto exit_rc; | |
931 | rc = WR16(s, 0x201001c, 2); | |
932 | if (rc < 0) | |
933 | goto exit_rc; | |
934 | rc = WR16(s, 0x1c10062, ebx); | |
935 | if (rc < 0) | |
936 | goto exit_rc; | |
937 | rc = WR16(s, 0x1c1002a, v18); | |
938 | if (rc < 0) | |
939 | goto exit_rc; | |
940 | rc = WR16(s, 0x1c10015, ebp); | |
941 | if (rc < 0) | |
942 | goto exit_rc; | |
943 | rc = WR16(s, 0x1c10016, v0E); | |
944 | if (rc < 0) | |
945 | goto exit_rc; | |
946 | break; | |
947 | } | |
948 | ||
949 | if (s->config.s20d24 == 1) { | |
950 | rc = WR16(s, 0x2010013, 0); | |
951 | } else { | |
952 | rc = WR16(s, 0x2010013, 1); | |
953 | edi |= 0x1000; | |
954 | } | |
955 | ||
956 | switch (fep->u.ofdm.code_rate_HP) { | |
957 | default: | |
958 | v22 |= 0x10; | |
959 | case FEC_1_2: | |
960 | if (s->chip_rev == DRXD_FW_B1) | |
961 | break; | |
962 | rc = WR16(s, 0x2090011, 0); | |
963 | break; | |
964 | case FEC_2_3: | |
965 | edi |= 0x200; | |
966 | if (s->chip_rev == DRXD_FW_B1) | |
967 | break; | |
968 | rc = WR16(s, 0x2090011, 1); | |
969 | break; | |
970 | case FEC_3_4: | |
971 | edi |= 0x400; | |
972 | if (s->chip_rev == DRXD_FW_B1) | |
973 | break; | |
974 | rc = WR16(s, 0x2090011, 2); | |
975 | break; | |
976 | case FEC_5_6: /* 5 */ | |
977 | edi |= 0x600; | |
978 | if (s->chip_rev == DRXD_FW_B1) | |
979 | break; | |
980 | rc = WR16(s, 0x2090011, 3); | |
981 | break; | |
982 | case FEC_7_8: /* 7 */ | |
983 | edi |= 0x800; | |
984 | if (s->chip_rev == DRXD_FW_B1) | |
985 | break; | |
986 | rc = WR16(s, 0x2090011, 4); | |
987 | break; | |
988 | }; | |
989 | if (rc < 0) | |
990 | goto exit_rc; | |
991 | ||
992 | switch (fep->u.ofdm.bandwidth) { | |
993 | default: | |
994 | rc = -EINVAL; | |
995 | goto exit_rc; | |
996 | case BANDWIDTH_8_MHZ: /* 0 */ | |
997 | case BANDWIDTH_AUTO: | |
998 | rc = WR16(s, 0x0c2003f, 0x32); | |
999 | s->bandwidth_parm = ebx = 0x8b8249; // 9142857 | |
1000 | edx = 0; | |
1001 | break; | |
1002 | case BANDWIDTH_7_MHZ: | |
1003 | rc = WR16(s, 0x0c2003f, 0x3b); | |
1004 | s->bandwidth_parm = ebx = 0x7a1200; // 8000000 | |
1005 | edx = 0x4807; | |
1006 | break; | |
1007 | case BANDWIDTH_6_MHZ: | |
1008 | rc = WR16(s, 0x0c2003f, 0x47); | |
1009 | s->bandwidth_parm = ebx = 0x68a1b6; // 6857142 | |
1010 | edx = 0x0f07; | |
1011 | break; | |
1012 | }; | |
1013 | ||
1014 | if (rc < 0) | |
1015 | goto exit_rc; | |
1016 | ||
1017 | rc = WR16(s, 0x08200ec, edx); | |
1018 | if (rc < 0) | |
1019 | goto exit_rc; | |
1020 | ||
1021 | rc = RD16(s, 0x0820050); | |
1022 | if (rc < 0) | |
1023 | goto exit_rc; | |
1024 | rc = WR16(s, 0x0820050, rc); | |
1025 | ||
1026 | { | |
1027 | long dummy; | |
1028 | ||
1029 | /* Configure bandwidth specific factor */ | |
1030 | ebx = div_ll_X_l_rem(((u64) (s->f_osc) << 21) + (ebx >> 1), | |
1031 | ebx, &dummy) - 0x800000; | |
1032 | EXIT_RC(WR16(s, 0x0c50010, ebx & 0xffff)); | |
1033 | EXIT_RC(WR16(s, 0x0c50011, ebx >> 16)); | |
1034 | ||
1035 | /* drx397xD oscillator calibration */ | |
1036 | ebx = div_ll_X_l_rem(((u64) (s->config.f_if + df_tuner) << 28) + | |
1037 | (s->f_osc >> 1), s->f_osc, &dummy); | |
1038 | } | |
1039 | ebx &= 0xfffffff; | |
1040 | if (fep->inversion == INVERSION_ON) | |
1041 | ebx = 0x10000000 - ebx; | |
1042 | ||
1043 | EXIT_RC(WR16(s, 0x0c30010, ebx & 0xffff)); | |
1044 | EXIT_RC(WR16(s, 0x0c30011, ebx >> 16)); | |
1045 | ||
1046 | EXIT_RC(WR16(s, 0x0800000, 1)); | |
1047 | EXIT_RC(RD16(s, 0x0800000)); | |
1048 | ||
1049 | ||
1050 | EXIT_RC(SC_WaitForReady(s)); | |
1051 | EXIT_RC(WR16(s, 0x0820042, 0)); | |
1052 | EXIT_RC(WR16(s, 0x0820041, v22)); | |
1053 | EXIT_RC(WR16(s, 0x0820040, edi)); | |
1054 | EXIT_RC(SC_SendCommand(s, 3)); | |
1055 | ||
1056 | rc = RD16(s, 0x0800000); | |
1057 | ||
1058 | SC_WaitForReady(s); | |
1059 | WR16(s, 0x0820042, 0); | |
1060 | WR16(s, 0x0820041, 1); | |
1061 | WR16(s, 0x0820040, 1); | |
1062 | SC_SendCommand(s, 1); | |
1063 | ||
1064 | // rc = WR16(s, 0x2150000, 1); | |
1065 | // if (rc < 0) goto exit_rc; | |
1066 | ||
1067 | rc = WR16(s, 0x2150000, 2); | |
1068 | rc = WR16(s, 0x2150016, a); | |
1069 | rc = WR16(s, 0x2150010, 4); | |
1070 | rc = WR16(s, 0x2150036, 0); | |
1071 | rc = WR16(s, 0x2150000, 1); | |
1072 | s->config.d60 = 2; | |
1073 | exit_rc: | |
1074 | return rc; | |
1075 | } | |
1076 | ||
1077 | /******************************************************************************* | |
1078 | * DVB interface | |
1079 | ******************************************************************************/ | |
1080 | ||
1081 | static int drx397x_init(struct dvb_frontend *fe) | |
1082 | { | |
1083 | struct drx397xD_state *s = fe->demodulator_priv; | |
1084 | int rc; | |
1085 | ||
1086 | pr_debug("%s\n", __FUNCTION__); | |
1087 | ||
1088 | s->config.rfagc.d00 = 2; /* 0x7c */ | |
1089 | s->config.rfagc.w04 = 0; | |
1090 | s->config.rfagc.w06 = 0x3ff; | |
1091 | ||
1092 | s->config.ifagc.d00 = 0; /* 0x68 */ | |
1093 | s->config.ifagc.w04 = 0; | |
1094 | s->config.ifagc.w06 = 140; | |
1095 | s->config.ifagc.w08 = 0; | |
1096 | s->config.ifagc.w0A = 0x3ff; | |
1097 | s->config.ifagc.w0C = 0x388; | |
1098 | ||
1099 | /* for signal strenght calculations */ | |
1100 | s->config.ss76 = 820; | |
1101 | s->config.ss78 = 2200; | |
1102 | s->config.ss7A = 150; | |
1103 | ||
1104 | /* HI_CfgCommand */ | |
1105 | s->config.w50 = 4; | |
1106 | s->config.w52 = 9; // 0xf; | |
1107 | ||
1108 | s->config.f_if = 42800000; /* d14: intermediate frequency [Hz] */ | |
1109 | s->config.f_osc = 48000; /* s66 : oscillator frequency [kHz] */ | |
1110 | s->config.w92 = 12000; // 20000; | |
1111 | ||
1112 | s->config.w9C = 0x000e; | |
1113 | s->config.w9E = 0x0000; | |
1114 | ||
1115 | /* ConfigureMPEGOutput params */ | |
1116 | s->config.wA0 = 4; | |
1117 | s->config.w98 = 1; // 0; | |
1118 | s->config.w9A = 1; | |
1119 | ||
1120 | /* get chip revision */ | |
1121 | rc = RD16(s, 0x2410019); | |
1122 | if (rc < 0) | |
1123 | return -ENODEV; | |
1124 | ||
1125 | if (rc == 0) { | |
1126 | printk(KERN_INFO "%s: chip revision A2\n", mod_name); | |
1127 | rc = drx_load_fw(s, DRXD_FW_A2); | |
1128 | } else { | |
1129 | ||
1130 | rc = (rc >> 12) - 3; | |
1131 | switch (rc) { | |
1132 | case 1: | |
1133 | s->flags |= F_SET_0D4h; | |
1134 | case 0: | |
1135 | case 4: | |
1136 | s->flags |= F_SET_0D0h; | |
1137 | break; | |
1138 | case 2: | |
1139 | case 5: | |
1140 | break; | |
1141 | case 3: | |
1142 | s->flags |= F_SET_0D4h; | |
1143 | break; | |
1144 | default: | |
1145 | return -ENODEV; | |
1146 | }; | |
1147 | printk(KERN_INFO "%s: chip revision B1.%d\n", mod_name, rc); | |
1148 | rc = drx_load_fw(s, DRXD_FW_B1); | |
1149 | } | |
1150 | if (rc < 0) | |
1151 | goto error; | |
1152 | ||
1153 | rc = WR16(s, 0x0420033, 0x3973); | |
1154 | if (rc < 0) | |
1155 | goto error; | |
1156 | ||
1157 | rc = HI_Command(s, 2); | |
1158 | ||
1159 | msleep(1); | |
1160 | ||
1161 | if (s->chip_rev == DRXD_FW_A2) { | |
1162 | rc = WR16(s, 0x043012d, 0x47F); | |
1163 | if (rc < 0) | |
1164 | goto error; | |
1165 | } | |
1166 | rc = WR16_E0(s, 0x0400000, 0); | |
1167 | if (rc < 0) | |
1168 | goto error; | |
1169 | ||
1170 | if (s->config.w92 > 20000 || s->config.w92 % 4000) { | |
1171 | printk(KERN_ERR "%s: invalid osc frequency\n", mod_name); | |
1172 | rc = -1; | |
1173 | goto error; | |
1174 | } | |
1175 | ||
1176 | rc = WR16(s, 0x2410010, 1); | |
1177 | if (rc < 0) | |
1178 | goto error; | |
1179 | rc = WR16(s, 0x2410011, 0x15); | |
1180 | if (rc < 0) | |
1181 | goto error; | |
1182 | rc = WR16(s, 0x2410012, s->config.w92 / 4000); | |
1183 | if (rc < 0) | |
1184 | goto error; | |
1185 | #ifdef ORIG_FW | |
1186 | rc = WR16(s, 0x2410015, 2); | |
1187 | if (rc < 0) | |
1188 | goto error; | |
1189 | #endif | |
1190 | rc = WR16(s, 0x2410017, 0x3973); | |
1191 | if (rc < 0) | |
1192 | goto error; | |
1193 | ||
1194 | s->f_osc = s->config.f_osc * 1000; /* initial estimator */ | |
1195 | ||
1196 | s->config.w56 = 1; | |
1197 | ||
1198 | rc = HI_CfgCommand(s); | |
1199 | if (rc < 0) | |
1200 | goto error; | |
1201 | ||
1202 | rc = write_fw(s, DRXD_InitAtomicRead); | |
1203 | if (rc < 0) | |
1204 | goto error; | |
1205 | ||
1206 | if (s->chip_rev == DRXD_FW_A2) { | |
1207 | rc = WR16(s, 0x2150013, 0); | |
1208 | if (rc < 0) | |
1209 | goto error; | |
1210 | } | |
1211 | ||
1212 | rc = WR16_E0(s, 0x0400002, 0); | |
1213 | if (rc < 0) | |
1214 | goto error; | |
1215 | rc = WR16(s, 0x0400002, 0); | |
1216 | if (rc < 0) | |
1217 | goto error; | |
1218 | ||
1219 | if (s->chip_rev == DRXD_FW_A2) { | |
1220 | rc = write_fw(s, DRXD_ResetCEFR); | |
1221 | if (rc < 0) | |
1222 | goto error; | |
1223 | } | |
1224 | rc = write_fw(s, DRXD_microcode); | |
1225 | if (rc < 0) | |
1226 | goto error; | |
1227 | ||
1228 | s->config.w9C = 0x0e; | |
1229 | if (s->flags & F_SET_0D0h) { | |
1230 | s->config.w9C = 0; | |
1231 | rc = RD16(s, 0x0c20010); | |
1232 | if (rc < 0) | |
1233 | goto write_DRXD_InitFE_1; | |
1234 | ||
1235 | rc &= ~0x1000; | |
1236 | rc = WR16(s, 0x0c20010, rc); | |
1237 | if (rc < 0) | |
1238 | goto write_DRXD_InitFE_1; | |
1239 | ||
1240 | rc = RD16(s, 0x0c20011); | |
1241 | if (rc < 0) | |
1242 | goto write_DRXD_InitFE_1; | |
1243 | ||
1244 | rc &= ~0x8; | |
1245 | rc = WR16(s, 0x0c20011, rc); | |
1246 | if (rc < 0) | |
1247 | goto write_DRXD_InitFE_1; | |
1248 | ||
1249 | rc = WR16(s, 0x0c20012, 1); | |
1250 | } | |
1251 | ||
1252 | write_DRXD_InitFE_1: | |
1253 | ||
1254 | rc = write_fw(s, DRXD_InitFE_1); | |
1255 | if (rc < 0) | |
1256 | goto error; | |
1257 | ||
1258 | rc = 1; | |
1259 | if (s->chip_rev == DRXD_FW_B1) { | |
1260 | if (s->flags & F_SET_0D0h) | |
1261 | rc = 0; | |
1262 | } else { | |
1263 | if (s->flags & F_SET_0D0h) | |
1264 | rc = 4; | |
1265 | } | |
1266 | ||
1267 | rc = WR16(s, 0x0C20012, rc); | |
1268 | if (rc < 0) | |
1269 | goto error; | |
1270 | ||
1271 | rc = WR16(s, 0x0C20013, s->config.w9E); | |
1272 | if (rc < 0) | |
1273 | goto error; | |
1274 | rc = WR16(s, 0x0C20015, s->config.w9C); | |
1275 | if (rc < 0) | |
1276 | goto error; | |
1277 | ||
1278 | rc = write_fw(s, DRXD_InitFE_2); | |
1279 | if (rc < 0) | |
1280 | goto error; | |
1281 | rc = write_fw(s, DRXD_InitFT); | |
1282 | if (rc < 0) | |
1283 | goto error; | |
1284 | rc = write_fw(s, DRXD_InitCP); | |
1285 | if (rc < 0) | |
1286 | goto error; | |
1287 | rc = write_fw(s, DRXD_InitCE); | |
1288 | if (rc < 0) | |
1289 | goto error; | |
1290 | rc = write_fw(s, DRXD_InitEQ); | |
1291 | if (rc < 0) | |
1292 | goto error; | |
1293 | rc = write_fw(s, DRXD_InitEC); | |
1294 | if (rc < 0) | |
1295 | goto error; | |
1296 | rc = write_fw(s, DRXD_InitSC); | |
1297 | if (rc < 0) | |
1298 | goto error; | |
1299 | ||
1300 | rc = SetCfgIfAgc(s, &s->config.ifagc); | |
1301 | if (rc < 0) | |
1302 | goto error; | |
1303 | ||
1304 | rc = SetCfgRfAgc(s, &s->config.rfagc); | |
1305 | if (rc < 0) | |
1306 | goto error; | |
1307 | ||
1308 | rc = ConfigureMPEGOutput(s, 1); | |
1309 | rc = WR16(s, 0x08201fe, 0x0017); | |
1310 | rc = WR16(s, 0x08201ff, 0x0101); | |
1311 | ||
1312 | s->config.d5C = 0; | |
1313 | s->config.d60 = 1; | |
1314 | s->config.d48 = 1; | |
1315 | error: | |
1316 | return rc; | |
1317 | } | |
1318 | ||
1319 | static int drx397x_get_frontend(struct dvb_frontend *fe, | |
1320 | struct dvb_frontend_parameters *params) | |
1321 | { | |
1322 | return 0; | |
1323 | } | |
1324 | ||
1325 | static int drx397x_set_frontend(struct dvb_frontend *fe, | |
1326 | struct dvb_frontend_parameters *params) | |
1327 | { | |
1328 | struct drx397xD_state *s = fe->demodulator_priv; | |
1329 | ||
1330 | s->config.s20d24 = 1; // 0; | |
1331 | return drx_tune(s, params); | |
1332 | } | |
1333 | ||
1334 | static int drx397x_get_tune_settings(struct dvb_frontend *fe, | |
1335 | struct dvb_frontend_tune_settings | |
1336 | *fe_tune_settings) | |
1337 | { | |
1338 | fe_tune_settings->min_delay_ms = 10000; | |
1339 | fe_tune_settings->step_size = 0; | |
1340 | fe_tune_settings->max_drift = 0; | |
1341 | return 0; | |
1342 | } | |
1343 | ||
1344 | static int drx397x_read_status(struct dvb_frontend *fe, fe_status_t * status) | |
1345 | { | |
1346 | struct drx397xD_state *s = fe->demodulator_priv; | |
1347 | int lockstat; | |
1348 | ||
1349 | GetLockStatus(s, &lockstat); | |
1350 | /* TODO */ | |
1351 | // if (lockstat & 1) | |
1352 | // CorrectSysClockDeviation(s); | |
1353 | ||
1354 | *status = 0; | |
1355 | if (lockstat & 2) { | |
1356 | CorrectSysClockDeviation(s); | |
1357 | ConfigureMPEGOutput(s, 1); | |
1358 | *status = FE_HAS_LOCK | FE_HAS_SYNC | FE_HAS_VITERBI; | |
1359 | } | |
1360 | if (lockstat & 4) { | |
1361 | *status |= FE_HAS_CARRIER | FE_HAS_SIGNAL; | |
1362 | } | |
1363 | ||
1364 | return 0; | |
1365 | } | |
1366 | ||
1367 | static int drx397x_read_ber(struct dvb_frontend *fe, unsigned int *ber) | |
1368 | { | |
1369 | *ber = 0; | |
1370 | return 0; | |
1371 | } | |
1372 | ||
1373 | static int drx397x_read_snr(struct dvb_frontend *fe, u16 * snr) | |
1374 | { | |
1375 | *snr = 0; | |
1376 | return 0; | |
1377 | } | |
1378 | ||
1379 | static int drx397x_read_signal_strength(struct dvb_frontend *fe, u16 * strength) | |
1380 | { | |
1381 | struct drx397xD_state *s = fe->demodulator_priv; | |
1382 | int rc; | |
1383 | ||
1384 | if (s->config.ifagc.d00 == 2) { | |
1385 | *strength = 0xffff; | |
1386 | return 0; | |
1387 | } | |
1388 | rc = RD16(s, 0x0c20035); | |
1389 | if (rc < 0) { | |
1390 | *strength = 0; | |
1391 | return 0; | |
1392 | } | |
1393 | rc &= 0x3ff; | |
1394 | /* Signal strength is calculated using the following formula: | |
1395 | * | |
1396 | * a = 2200 * 150 / (2200 + 150); | |
1397 | * a = a * 3300 / (a + 820); | |
1398 | * b = 2200 * 3300 / (2200 + 820); | |
1399 | * c = (((b-a) * rc) >> 10 + a) << 4; | |
1400 | * strength = ~c & 0xffff; | |
1401 | * | |
1402 | * The following does the same but with less rounding errors: | |
1403 | */ | |
1404 | *strength = ~(7720 + (rc * 30744 >> 10)); | |
1405 | return 0; | |
1406 | } | |
1407 | ||
1408 | static int drx397x_read_ucblocks(struct dvb_frontend *fe, | |
1409 | unsigned int *ucblocks) | |
1410 | { | |
1411 | *ucblocks = 0; | |
1412 | return 0; | |
1413 | } | |
1414 | ||
1415 | static int drx397x_sleep(struct dvb_frontend *fe) | |
1416 | { | |
1417 | return 0; | |
1418 | } | |
1419 | ||
1420 | static void drx397x_release(struct dvb_frontend *fe) | |
1421 | { | |
1422 | struct drx397xD_state *s = fe->demodulator_priv; | |
1423 | printk(KERN_INFO "%s: release demodulator\n", mod_name); | |
1424 | if (s) { | |
1425 | drx_release_fw(s); | |
1426 | kfree(s); | |
1427 | } | |
1428 | ||
1429 | } | |
1430 | ||
1431 | static struct dvb_frontend_ops drx397x_ops = { | |
1432 | ||
1433 | .info = { | |
1434 | .name = "Micronas DRX397xD DVB-T Frontend", | |
1435 | .type = FE_OFDM, | |
1436 | .frequency_min = 47125000, | |
1437 | .frequency_max = 855250000, | |
1438 | .frequency_stepsize = 166667, | |
1439 | .frequency_tolerance = 0, | |
1440 | .caps = /* 0x0C01B2EAE */ | |
1441 | FE_CAN_FEC_1_2 | // = 0x2, | |
1442 | FE_CAN_FEC_2_3 | // = 0x4, | |
1443 | FE_CAN_FEC_3_4 | // = 0x8, | |
1444 | FE_CAN_FEC_5_6 | // = 0x20, | |
1445 | FE_CAN_FEC_7_8 | // = 0x80, | |
1446 | FE_CAN_FEC_AUTO | // = 0x200, | |
1447 | FE_CAN_QPSK | // = 0x400, | |
1448 | FE_CAN_QAM_16 | // = 0x800, | |
1449 | FE_CAN_QAM_64 | // = 0x2000, | |
1450 | FE_CAN_QAM_AUTO | // = 0x10000, | |
1451 | FE_CAN_TRANSMISSION_MODE_AUTO | // = 0x20000, | |
1452 | FE_CAN_GUARD_INTERVAL_AUTO | // = 0x80000, | |
1453 | FE_CAN_HIERARCHY_AUTO | // = 0x100000, | |
1454 | FE_CAN_RECOVER | // = 0x40000000, | |
1455 | FE_CAN_MUTE_TS // = 0x80000000 | |
1456 | }, | |
1457 | ||
1458 | .release = drx397x_release, | |
1459 | .init = drx397x_init, | |
1460 | .sleep = drx397x_sleep, | |
1461 | ||
1462 | .set_frontend = drx397x_set_frontend, | |
1463 | .get_tune_settings = drx397x_get_tune_settings, | |
1464 | .get_frontend = drx397x_get_frontend, | |
1465 | ||
1466 | .read_status = drx397x_read_status, | |
1467 | .read_snr = drx397x_read_snr, | |
1468 | .read_signal_strength = drx397x_read_signal_strength, | |
1469 | .read_ber = drx397x_read_ber, | |
1470 | .read_ucblocks = drx397x_read_ucblocks, | |
1471 | }; | |
1472 | ||
1473 | struct dvb_frontend *drx397xD_attach(const struct drx397xD_config *config, | |
1474 | struct i2c_adapter *i2c) | |
1475 | { | |
1476 | struct drx397xD_state *s = NULL; | |
1477 | ||
1478 | /* allocate memory for the internal state */ | |
1479 | s = kzalloc(sizeof(struct drx397xD_state), GFP_KERNEL); | |
1480 | if (s == NULL) | |
1481 | goto error; | |
1482 | ||
1483 | /* setup the state */ | |
1484 | s->i2c = i2c; | |
1485 | memcpy(&s->config, config, sizeof(struct drx397xD_config)); | |
1486 | ||
1487 | /* check if the demod is there */ | |
1488 | if (RD16(s, 0x2410019) < 0) | |
1489 | goto error; | |
1490 | ||
1491 | /* create dvb_frontend */ | |
1492 | memcpy(&s->frontend.ops, &drx397x_ops, sizeof(struct dvb_frontend_ops)); | |
1493 | s->frontend.demodulator_priv = s; | |
1494 | ||
1495 | return &s->frontend; | |
1496 | error: | |
1497 | kfree(s); | |
1498 | return NULL; | |
1499 | } | |
1500 | ||
1501 | MODULE_DESCRIPTION("Micronas DRX397xD DVB-T Frontend"); | |
1502 | MODULE_AUTHOR("Henk Vergonet"); | |
1503 | MODULE_LICENSE("GPL"); | |
1504 | ||
1505 | EXPORT_SYMBOL(drx397xD_attach); |