diff options
Diffstat (limited to 'drivers/media/dvb/frontends/tda10021.c')
-rw-r--r-- | drivers/media/dvb/frontends/tda10021.c | 489 |
1 files changed, 489 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/tda10021.c b/drivers/media/dvb/frontends/tda10021.c new file mode 100644 index 00000000000..6ca533ea0f0 --- /dev/null +++ b/drivers/media/dvb/frontends/tda10021.c | |||
@@ -0,0 +1,489 @@ | |||
1 | /* | ||
2 | TDA10021 - Single Chip Cable Channel Receiver driver module | ||
3 | used on the Siemens DVB-C cards | ||
4 | |||
5 | Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de> | ||
6 | Copyright (C) 2004 Markus Schulz <msc@antzsystem.de> | ||
7 | Support for TDA10021 | ||
8 | |||
9 | This program is free software; you can redistribute it and/or modify | ||
10 | it under the terms of the GNU General Public License as published by | ||
11 | the Free Software Foundation; either version 2 of the License, or | ||
12 | (at your option) any later version. | ||
13 | |||
14 | This program is distributed in the hope that it will be useful, | ||
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
17 | GNU General Public License for more details. | ||
18 | |||
19 | You should have received a copy of the GNU General Public License | ||
20 | along with this program; if not, write to the Free Software | ||
21 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
22 | */ | ||
23 | |||
24 | #include <linux/delay.h> | ||
25 | #include <linux/errno.h> | ||
26 | #include <linux/init.h> | ||
27 | #include <linux/kernel.h> | ||
28 | #include <linux/module.h> | ||
29 | #include <linux/string.h> | ||
30 | #include <linux/slab.h> | ||
31 | |||
32 | #include "dvb_frontend.h" | ||
33 | #include "tda1002x.h" | ||
34 | |||
35 | |||
36 | struct tda10021_state { | ||
37 | struct i2c_adapter* i2c; | ||
38 | /* configuration settings */ | ||
39 | const struct tda1002x_config* config; | ||
40 | struct dvb_frontend frontend; | ||
41 | |||
42 | u8 pwm; | ||
43 | u8 reg0; | ||
44 | }; | ||
45 | |||
46 | |||
47 | #if 0 | ||
48 | #define dprintk(x...) printk(x) | ||
49 | #else | ||
50 | #define dprintk(x...) | ||
51 | #endif | ||
52 | |||
53 | static int verbose; | ||
54 | |||
55 | #define XIN 57840000UL | ||
56 | |||
57 | #define FIN (XIN >> 4) | ||
58 | |||
59 | static int tda10021_inittab_size = 0x40; | ||
60 | static u8 tda10021_inittab[0x40]= | ||
61 | { | ||
62 | 0x73, 0x6a, 0x23, 0x0a, 0x02, 0x37, 0x77, 0x1a, | ||
63 | 0x37, 0x6a, 0x17, 0x8a, 0x1e, 0x86, 0x43, 0x40, | ||
64 | 0xb8, 0x3f, 0xa1, 0x00, 0xcd, 0x01, 0x00, 0xff, | ||
65 | 0x11, 0x00, 0x7c, 0x31, 0x30, 0x20, 0x00, 0x00, | ||
66 | 0x02, 0x00, 0x00, 0x7d, 0x00, 0x00, 0x00, 0x00, | ||
67 | 0x07, 0x00, 0x33, 0x11, 0x0d, 0x95, 0x08, 0x58, | ||
68 | 0x00, 0x00, 0x80, 0x00, 0x80, 0xff, 0x00, 0x00, | ||
69 | 0x04, 0x2d, 0x2f, 0xff, 0x00, 0x00, 0x00, 0x00, | ||
70 | }; | ||
71 | |||
72 | static int _tda10021_writereg (struct tda10021_state* state, u8 reg, u8 data) | ||
73 | { | ||
74 | u8 buf[] = { reg, data }; | ||
75 | struct i2c_msg msg = { .addr = state->config->demod_address, .flags = 0, .buf = buf, .len = 2 }; | ||
76 | int ret; | ||
77 | |||
78 | ret = i2c_transfer (state->i2c, &msg, 1); | ||
79 | if (ret != 1) | ||
80 | printk("DVB: TDA10021(%d): %s, writereg error " | ||
81 | "(reg == 0x%02x, val == 0x%02x, ret == %i)\n", | ||
82 | state->frontend.dvb->num, __func__, reg, data, ret); | ||
83 | |||
84 | msleep(10); | ||
85 | return (ret != 1) ? -EREMOTEIO : 0; | ||
86 | } | ||
87 | |||
88 | static u8 tda10021_readreg (struct tda10021_state* state, u8 reg) | ||
89 | { | ||
90 | u8 b0 [] = { reg }; | ||
91 | u8 b1 [] = { 0 }; | ||
92 | struct i2c_msg msg [] = { { .addr = state->config->demod_address, .flags = 0, .buf = b0, .len = 1 }, | ||
93 | { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b1, .len = 1 } }; | ||
94 | int ret; | ||
95 | |||
96 | ret = i2c_transfer (state->i2c, msg, 2); | ||
97 | // Don't print an error message if the id is read. | ||
98 | if (ret != 2 && reg != 0x1a) | ||
99 | printk("DVB: TDA10021: %s: readreg error (ret == %i)\n", | ||
100 | __func__, ret); | ||
101 | return b1[0]; | ||
102 | } | ||
103 | |||
104 | //get access to tuner | ||
105 | static int lock_tuner(struct tda10021_state* state) | ||
106 | { | ||
107 | u8 buf[2] = { 0x0f, tda10021_inittab[0x0f] | 0x80 }; | ||
108 | struct i2c_msg msg = {.addr=state->config->demod_address, .flags=0, .buf=buf, .len=2}; | ||
109 | |||
110 | if(i2c_transfer(state->i2c, &msg, 1) != 1) | ||
111 | { | ||
112 | printk("tda10021: lock tuner fails\n"); | ||
113 | return -EREMOTEIO; | ||
114 | } | ||
115 | return 0; | ||
116 | } | ||
117 | |||
118 | //release access from tuner | ||
119 | static int unlock_tuner(struct tda10021_state* state) | ||
120 | { | ||
121 | u8 buf[2] = { 0x0f, tda10021_inittab[0x0f] & 0x7f }; | ||
122 | struct i2c_msg msg_post={.addr=state->config->demod_address, .flags=0, .buf=buf, .len=2}; | ||
123 | |||
124 | if(i2c_transfer(state->i2c, &msg_post, 1) != 1) | ||
125 | { | ||
126 | printk("tda10021: unlock tuner fails\n"); | ||
127 | return -EREMOTEIO; | ||
128 | } | ||
129 | return 0; | ||
130 | } | ||
131 | |||
132 | static int tda10021_setup_reg0 (struct tda10021_state* state, u8 reg0, | ||
133 | fe_spectral_inversion_t inversion) | ||
134 | { | ||
135 | reg0 |= state->reg0 & 0x63; | ||
136 | |||
137 | if ((INVERSION_ON == inversion) ^ (state->config->invert == 0)) | ||
138 | reg0 &= ~0x20; | ||
139 | else | ||
140 | reg0 |= 0x20; | ||
141 | |||
142 | _tda10021_writereg (state, 0x00, reg0 & 0xfe); | ||
143 | _tda10021_writereg (state, 0x00, reg0 | 0x01); | ||
144 | |||
145 | state->reg0 = reg0; | ||
146 | return 0; | ||
147 | } | ||
148 | |||
149 | static int tda10021_set_symbolrate (struct tda10021_state* state, u32 symbolrate) | ||
150 | { | ||
151 | s32 BDR; | ||
152 | s32 BDRI; | ||
153 | s16 SFIL=0; | ||
154 | u16 NDEC = 0; | ||
155 | u32 tmp, ratio; | ||
156 | |||
157 | if (symbolrate > XIN/2) | ||
158 | symbolrate = XIN/2; | ||
159 | if (symbolrate < 500000) | ||
160 | symbolrate = 500000; | ||
161 | |||
162 | if (symbolrate < XIN/16) NDEC = 1; | ||
163 | if (symbolrate < XIN/32) NDEC = 2; | ||
164 | if (symbolrate < XIN/64) NDEC = 3; | ||
165 | |||
166 | if (symbolrate < (u32)(XIN/12.3)) SFIL = 1; | ||
167 | if (symbolrate < (u32)(XIN/16)) SFIL = 0; | ||
168 | if (symbolrate < (u32)(XIN/24.6)) SFIL = 1; | ||
169 | if (symbolrate < (u32)(XIN/32)) SFIL = 0; | ||
170 | if (symbolrate < (u32)(XIN/49.2)) SFIL = 1; | ||
171 | if (symbolrate < (u32)(XIN/64)) SFIL = 0; | ||
172 | if (symbolrate < (u32)(XIN/98.4)) SFIL = 1; | ||
173 | |||
174 | symbolrate <<= NDEC; | ||
175 | ratio = (symbolrate << 4) / FIN; | ||
176 | tmp = ((symbolrate << 4) % FIN) << 8; | ||
177 | ratio = (ratio << 8) + tmp / FIN; | ||
178 | tmp = (tmp % FIN) << 8; | ||
179 | ratio = (ratio << 8) + DIV_ROUND_CLOSEST(tmp, FIN); | ||
180 | |||
181 | BDR = ratio; | ||
182 | BDRI = (((XIN << 5) / symbolrate) + 1) / 2; | ||
183 | |||
184 | if (BDRI > 0xFF) | ||
185 | BDRI = 0xFF; | ||
186 | |||
187 | SFIL = (SFIL << 4) | tda10021_inittab[0x0E]; | ||
188 | |||
189 | NDEC = (NDEC << 6) | tda10021_inittab[0x03]; | ||
190 | |||
191 | _tda10021_writereg (state, 0x03, NDEC); | ||
192 | _tda10021_writereg (state, 0x0a, BDR&0xff); | ||
193 | _tda10021_writereg (state, 0x0b, (BDR>> 8)&0xff); | ||
194 | _tda10021_writereg (state, 0x0c, (BDR>>16)&0x3f); | ||
195 | |||
196 | _tda10021_writereg (state, 0x0d, BDRI); | ||
197 | _tda10021_writereg (state, 0x0e, SFIL); | ||
198 | |||
199 | return 0; | ||
200 | } | ||
201 | |||
202 | static int tda10021_init (struct dvb_frontend *fe) | ||
203 | { | ||
204 | struct tda10021_state* state = fe->demodulator_priv; | ||
205 | int i; | ||
206 | |||
207 | dprintk("DVB: TDA10021(%d): init chip\n", fe->adapter->num); | ||
208 | |||
209 | //_tda10021_writereg (fe, 0, 0); | ||
210 | |||
211 | for (i=0; i<tda10021_inittab_size; i++) | ||
212 | _tda10021_writereg (state, i, tda10021_inittab[i]); | ||
213 | |||
214 | _tda10021_writereg (state, 0x34, state->pwm); | ||
215 | |||
216 | //Comment by markus | ||
217 | //0x2A[3-0] == PDIV -> P multiplaying factor (P=PDIV+1)(default 0) | ||
218 | //0x2A[4] == BYPPLL -> Power down mode (default 1) | ||
219 | //0x2A[5] == LCK -> PLL Lock Flag | ||
220 | //0x2A[6] == POLAXIN -> Polarity of the input reference clock (default 0) | ||
221 | |||
222 | //Activate PLL | ||
223 | _tda10021_writereg(state, 0x2a, tda10021_inittab[0x2a] & 0xef); | ||
224 | return 0; | ||
225 | } | ||
226 | |||
227 | static int tda10021_set_parameters (struct dvb_frontend *fe, | ||
228 | struct dvb_frontend_parameters *p) | ||
229 | { | ||
230 | struct tda10021_state* state = fe->demodulator_priv; | ||
231 | |||
232 | //table for QAM4-QAM256 ready QAM4 QAM16 QAM32 QAM64 QAM128 QAM256 | ||
233 | //CONF | ||
234 | static const u8 reg0x00 [] = { 0x14, 0x00, 0x04, 0x08, 0x0c, 0x10 }; | ||
235 | //AGCREF value | ||
236 | static const u8 reg0x01 [] = { 0x78, 0x8c, 0x8c, 0x6a, 0x78, 0x5c }; | ||
237 | //LTHR value | ||
238 | static const u8 reg0x05 [] = { 0x78, 0x87, 0x64, 0x46, 0x36, 0x26 }; | ||
239 | //MSETH | ||
240 | static const u8 reg0x08 [] = { 0x8c, 0xa2, 0x74, 0x43, 0x34, 0x23 }; | ||
241 | //AREF | ||
242 | static const u8 reg0x09 [] = { 0x96, 0x91, 0x96, 0x6a, 0x7e, 0x6b }; | ||
243 | |||
244 | int qam = p->u.qam.modulation; | ||
245 | |||
246 | if (qam < 0 || qam > 5) | ||
247 | return -EINVAL; | ||
248 | |||
249 | if (p->inversion != INVERSION_ON && p->inversion != INVERSION_OFF) | ||
250 | return -EINVAL; | ||
251 | |||
252 | //printk("tda10021: set frequency to %d qam=%d symrate=%d\n", p->frequency,qam,p->u.qam.symbol_rate); | ||
253 | |||
254 | if (fe->ops.tuner_ops.set_params) { | ||
255 | fe->ops.tuner_ops.set_params(fe, p); | ||
256 | if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0); | ||
257 | } | ||
258 | |||
259 | tda10021_set_symbolrate (state, p->u.qam.symbol_rate); | ||
260 | _tda10021_writereg (state, 0x34, state->pwm); | ||
261 | |||
262 | _tda10021_writereg (state, 0x01, reg0x01[qam]); | ||
263 | _tda10021_writereg (state, 0x05, reg0x05[qam]); | ||
264 | _tda10021_writereg (state, 0x08, reg0x08[qam]); | ||
265 | _tda10021_writereg (state, 0x09, reg0x09[qam]); | ||
266 | |||
267 | tda10021_setup_reg0 (state, reg0x00[qam], p->inversion); | ||
268 | |||
269 | return 0; | ||
270 | } | ||
271 | |||
272 | static int tda10021_read_status(struct dvb_frontend* fe, fe_status_t* status) | ||
273 | { | ||
274 | struct tda10021_state* state = fe->demodulator_priv; | ||
275 | int sync; | ||
276 | |||
277 | *status = 0; | ||
278 | //0x11[0] == EQALGO -> Equalizer algorithms state | ||
279 | //0x11[1] == CARLOCK -> Carrier locked | ||
280 | //0x11[2] == FSYNC -> Frame synchronisation | ||
281 | //0x11[3] == FEL -> Front End locked | ||
282 | //0x11[6] == NODVB -> DVB Mode Information | ||
283 | sync = tda10021_readreg (state, 0x11); | ||
284 | |||
285 | if (sync & 2) | ||
286 | *status |= FE_HAS_SIGNAL|FE_HAS_CARRIER; | ||
287 | |||
288 | if (sync & 4) | ||
289 | *status |= FE_HAS_SYNC|FE_HAS_VITERBI; | ||
290 | |||
291 | if (sync & 8) | ||
292 | *status |= FE_HAS_LOCK; | ||
293 | |||
294 | return 0; | ||
295 | } | ||
296 | |||
297 | static int tda10021_read_ber(struct dvb_frontend* fe, u32* ber) | ||
298 | { | ||
299 | struct tda10021_state* state = fe->demodulator_priv; | ||
300 | |||
301 | u32 _ber = tda10021_readreg(state, 0x14) | | ||
302 | (tda10021_readreg(state, 0x15) << 8) | | ||
303 | ((tda10021_readreg(state, 0x16) & 0x0f) << 16); | ||
304 | _tda10021_writereg(state, 0x10, (tda10021_readreg(state, 0x10) & ~0xc0) | ||
305 | | (tda10021_inittab[0x10] & 0xc0)); | ||
306 | *ber = 10 * _ber; | ||
307 | |||
308 | return 0; | ||
309 | } | ||
310 | |||
311 | static int tda10021_read_signal_strength(struct dvb_frontend* fe, u16* strength) | ||
312 | { | ||
313 | struct tda10021_state* state = fe->demodulator_priv; | ||
314 | |||
315 | u8 config = tda10021_readreg(state, 0x02); | ||
316 | u8 gain = tda10021_readreg(state, 0x17); | ||
317 | if (config & 0x02) | ||
318 | /* the agc value is inverted */ | ||
319 | gain = ~gain; | ||
320 | *strength = (gain << 8) | gain; | ||
321 | |||
322 | return 0; | ||
323 | } | ||
324 | |||
325 | static int tda10021_read_snr(struct dvb_frontend* fe, u16* snr) | ||
326 | { | ||
327 | struct tda10021_state* state = fe->demodulator_priv; | ||
328 | |||
329 | u8 quality = ~tda10021_readreg(state, 0x18); | ||
330 | *snr = (quality << 8) | quality; | ||
331 | |||
332 | return 0; | ||
333 | } | ||
334 | |||
335 | static int tda10021_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) | ||
336 | { | ||
337 | struct tda10021_state* state = fe->demodulator_priv; | ||
338 | |||
339 | *ucblocks = tda10021_readreg (state, 0x13) & 0x7f; | ||
340 | if (*ucblocks == 0x7f) | ||
341 | *ucblocks = 0xffffffff; | ||
342 | |||
343 | /* reset uncorrected block counter */ | ||
344 | _tda10021_writereg (state, 0x10, tda10021_inittab[0x10] & 0xdf); | ||
345 | _tda10021_writereg (state, 0x10, tda10021_inittab[0x10]); | ||
346 | |||
347 | return 0; | ||
348 | } | ||
349 | |||
350 | static int tda10021_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p) | ||
351 | { | ||
352 | struct tda10021_state* state = fe->demodulator_priv; | ||
353 | int sync; | ||
354 | s8 afc = 0; | ||
355 | |||
356 | sync = tda10021_readreg(state, 0x11); | ||
357 | afc = tda10021_readreg(state, 0x19); | ||
358 | if (verbose) { | ||
359 | /* AFC only valid when carrier has been recovered */ | ||
360 | printk(sync & 2 ? "DVB: TDA10021(%d): AFC (%d) %dHz\n" : | ||
361 | "DVB: TDA10021(%d): [AFC (%d) %dHz]\n", | ||
362 | state->frontend.dvb->num, afc, | ||
363 | -((s32)p->u.qam.symbol_rate * afc) >> 10); | ||
364 | } | ||
365 | |||
366 | p->inversion = ((state->reg0 & 0x20) == 0x20) ^ (state->config->invert != 0) ? INVERSION_ON : INVERSION_OFF; | ||
367 | p->u.qam.modulation = ((state->reg0 >> 2) & 7) + QAM_16; | ||
368 | |||
369 | p->u.qam.fec_inner = FEC_NONE; | ||
370 | p->frequency = ((p->frequency + 31250) / 62500) * 62500; | ||
371 | |||
372 | if (sync & 2) | ||
373 | p->frequency -= ((s32)p->u.qam.symbol_rate * afc) >> 10; | ||
374 | |||
375 | return 0; | ||
376 | } | ||
377 | |||
378 | static int tda10021_i2c_gate_ctrl(struct dvb_frontend* fe, int enable) | ||
379 | { | ||
380 | struct tda10021_state* state = fe->demodulator_priv; | ||
381 | |||
382 | if (enable) { | ||
383 | lock_tuner(state); | ||
384 | } else { | ||
385 | unlock_tuner(state); | ||
386 | } | ||
387 | return 0; | ||
388 | } | ||
389 | |||
390 | static int tda10021_sleep(struct dvb_frontend* fe) | ||
391 | { | ||
392 | struct tda10021_state* state = fe->demodulator_priv; | ||
393 | |||
394 | _tda10021_writereg (state, 0x1b, 0x02); /* pdown ADC */ | ||
395 | _tda10021_writereg (state, 0x00, 0x80); /* standby */ | ||
396 | |||
397 | return 0; | ||
398 | } | ||
399 | |||
400 | static void tda10021_release(struct dvb_frontend* fe) | ||
401 | { | ||
402 | struct tda10021_state* state = fe->demodulator_priv; | ||
403 | kfree(state); | ||
404 | } | ||
405 | |||
406 | static struct dvb_frontend_ops tda10021_ops; | ||
407 | |||
408 | struct dvb_frontend* tda10021_attach(const struct tda1002x_config* config, | ||
409 | struct i2c_adapter* i2c, | ||
410 | u8 pwm) | ||
411 | { | ||
412 | struct tda10021_state* state = NULL; | ||
413 | u8 id; | ||
414 | |||
415 | /* allocate memory for the internal state */ | ||
416 | state = kzalloc(sizeof(struct tda10021_state), GFP_KERNEL); | ||
417 | if (state == NULL) goto error; | ||
418 | |||
419 | /* setup the state */ | ||
420 | state->config = config; | ||
421 | state->i2c = i2c; | ||
422 | state->pwm = pwm; | ||
423 | state->reg0 = tda10021_inittab[0]; | ||
424 | |||
425 | /* check if the demod is there */ | ||
426 | id = tda10021_readreg(state, 0x1a); | ||
427 | if ((id & 0xf0) != 0x70) goto error; | ||
428 | |||
429 | /* Don't claim TDA10023 */ | ||
430 | if (id == 0x7d) | ||
431 | goto error; | ||
432 | |||
433 | printk("TDA10021: i2c-addr = 0x%02x, id = 0x%02x\n", | ||
434 | state->config->demod_address, id); | ||
435 | |||
436 | /* create dvb_frontend */ | ||
437 | memcpy(&state->frontend.ops, &tda10021_ops, sizeof(struct dvb_frontend_ops)); | ||
438 | state->frontend.demodulator_priv = state; | ||
439 | return &state->frontend; | ||
440 | |||
441 | error: | ||
442 | kfree(state); | ||
443 | return NULL; | ||
444 | } | ||
445 | |||
446 | static struct dvb_frontend_ops tda10021_ops = { | ||
447 | |||
448 | .info = { | ||
449 | .name = "Philips TDA10021 DVB-C", | ||
450 | .type = FE_QAM, | ||
451 | .frequency_stepsize = 62500, | ||
452 | .frequency_min = 47000000, | ||
453 | .frequency_max = 862000000, | ||
454 | .symbol_rate_min = (XIN/2)/64, /* SACLK/64 == (XIN/2)/64 */ | ||
455 | .symbol_rate_max = (XIN/2)/4, /* SACLK/4 */ | ||
456 | #if 0 | ||
457 | .frequency_tolerance = ???, | ||
458 | .symbol_rate_tolerance = ???, /* ppm */ /* == 8% (spec p. 5) */ | ||
459 | #endif | ||
460 | .caps = 0x400 | //FE_CAN_QAM_4 | ||
461 | FE_CAN_QAM_16 | FE_CAN_QAM_32 | FE_CAN_QAM_64 | | ||
462 | FE_CAN_QAM_128 | FE_CAN_QAM_256 | | ||
463 | FE_CAN_FEC_AUTO | ||
464 | }, | ||
465 | |||
466 | .release = tda10021_release, | ||
467 | |||
468 | .init = tda10021_init, | ||
469 | .sleep = tda10021_sleep, | ||
470 | .i2c_gate_ctrl = tda10021_i2c_gate_ctrl, | ||
471 | |||
472 | .set_frontend = tda10021_set_parameters, | ||
473 | .get_frontend = tda10021_get_frontend, | ||
474 | |||
475 | .read_status = tda10021_read_status, | ||
476 | .read_ber = tda10021_read_ber, | ||
477 | .read_signal_strength = tda10021_read_signal_strength, | ||
478 | .read_snr = tda10021_read_snr, | ||
479 | .read_ucblocks = tda10021_read_ucblocks, | ||
480 | }; | ||
481 | |||
482 | module_param(verbose, int, 0644); | ||
483 | MODULE_PARM_DESC(verbose, "print AFC offset after tuning for debugging the PWM setting"); | ||
484 | |||
485 | MODULE_DESCRIPTION("Philips TDA10021 DVB-C demodulator driver"); | ||
486 | MODULE_AUTHOR("Ralph Metzler, Holger Waechtler, Markus Schulz"); | ||
487 | MODULE_LICENSE("GPL"); | ||
488 | |||
489 | EXPORT_SYMBOL(tda10021_attach); | ||