Commit | Line | Data |
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4b64bb26 AP |
1 | /* |
2 | * Afatech AF9033 demodulator driver | |
3 | * | |
4 | * Copyright (C) 2009 Antti Palosaari <crope@iki.fi> | |
5 | * Copyright (C) 2012 Antti Palosaari <crope@iki.fi> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License along | |
18 | * with this program; if not, write to the Free Software Foundation, Inc., | |
19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
20 | */ | |
21 | ||
22 | #include "af9033_priv.h" | |
23 | ||
24 | struct af9033_state { | |
25 | struct i2c_adapter *i2c; | |
26 | struct dvb_frontend fe; | |
27 | struct af9033_config cfg; | |
28 | ||
29 | u32 bandwidth_hz; | |
30 | bool ts_mode_parallel; | |
31 | bool ts_mode_serial; | |
47eafa54 HFV |
32 | |
33 | u32 ber; | |
34 | u32 ucb; | |
35 | unsigned long last_stat_check; | |
4b64bb26 AP |
36 | }; |
37 | ||
38 | /* write multiple registers */ | |
39 | static int af9033_wr_regs(struct af9033_state *state, u32 reg, const u8 *val, | |
40 | int len) | |
41 | { | |
42 | int ret; | |
43 | u8 buf[3 + len]; | |
44 | struct i2c_msg msg[1] = { | |
45 | { | |
46 | .addr = state->cfg.i2c_addr, | |
47 | .flags = 0, | |
48 | .len = sizeof(buf), | |
49 | .buf = buf, | |
50 | } | |
51 | }; | |
52 | ||
53 | buf[0] = (reg >> 16) & 0xff; | |
54 | buf[1] = (reg >> 8) & 0xff; | |
55 | buf[2] = (reg >> 0) & 0xff; | |
56 | memcpy(&buf[3], val, len); | |
57 | ||
58 | ret = i2c_transfer(state->i2c, msg, 1); | |
59 | if (ret == 1) { | |
60 | ret = 0; | |
61 | } else { | |
0a73f2d6 AP |
62 | dev_warn(&state->i2c->dev, "%s: i2c wr failed=%d reg=%06x " \ |
63 | "len=%d\n", KBUILD_MODNAME, ret, reg, len); | |
4b64bb26 AP |
64 | ret = -EREMOTEIO; |
65 | } | |
66 | ||
67 | return ret; | |
68 | } | |
69 | ||
70 | /* read multiple registers */ | |
71 | static int af9033_rd_regs(struct af9033_state *state, u32 reg, u8 *val, int len) | |
72 | { | |
73 | int ret; | |
74 | u8 buf[3] = { (reg >> 16) & 0xff, (reg >> 8) & 0xff, | |
75 | (reg >> 0) & 0xff }; | |
76 | struct i2c_msg msg[2] = { | |
77 | { | |
78 | .addr = state->cfg.i2c_addr, | |
79 | .flags = 0, | |
80 | .len = sizeof(buf), | |
81 | .buf = buf | |
82 | }, { | |
83 | .addr = state->cfg.i2c_addr, | |
84 | .flags = I2C_M_RD, | |
85 | .len = len, | |
86 | .buf = val | |
87 | } | |
88 | }; | |
89 | ||
90 | ret = i2c_transfer(state->i2c, msg, 2); | |
91 | if (ret == 2) { | |
92 | ret = 0; | |
93 | } else { | |
0a73f2d6 AP |
94 | dev_warn(&state->i2c->dev, "%s: i2c rd failed=%d reg=%06x " \ |
95 | "len=%d\n", KBUILD_MODNAME, ret, reg, len); | |
4b64bb26 AP |
96 | ret = -EREMOTEIO; |
97 | } | |
98 | ||
99 | return ret; | |
100 | } | |
101 | ||
102 | ||
103 | /* write single register */ | |
104 | static int af9033_wr_reg(struct af9033_state *state, u32 reg, u8 val) | |
105 | { | |
106 | return af9033_wr_regs(state, reg, &val, 1); | |
107 | } | |
108 | ||
109 | /* read single register */ | |
110 | static int af9033_rd_reg(struct af9033_state *state, u32 reg, u8 *val) | |
111 | { | |
112 | return af9033_rd_regs(state, reg, val, 1); | |
113 | } | |
114 | ||
115 | /* write single register with mask */ | |
116 | static int af9033_wr_reg_mask(struct af9033_state *state, u32 reg, u8 val, | |
117 | u8 mask) | |
118 | { | |
119 | int ret; | |
120 | u8 tmp; | |
121 | ||
122 | /* no need for read if whole reg is written */ | |
123 | if (mask != 0xff) { | |
124 | ret = af9033_rd_regs(state, reg, &tmp, 1); | |
125 | if (ret) | |
126 | return ret; | |
127 | ||
128 | val &= mask; | |
129 | tmp &= ~mask; | |
130 | val |= tmp; | |
131 | } | |
132 | ||
133 | return af9033_wr_regs(state, reg, &val, 1); | |
134 | } | |
135 | ||
136 | /* read single register with mask */ | |
137 | static int af9033_rd_reg_mask(struct af9033_state *state, u32 reg, u8 *val, | |
138 | u8 mask) | |
139 | { | |
140 | int ret, i; | |
141 | u8 tmp; | |
142 | ||
143 | ret = af9033_rd_regs(state, reg, &tmp, 1); | |
144 | if (ret) | |
145 | return ret; | |
146 | ||
147 | tmp &= mask; | |
148 | ||
149 | /* find position of the first bit */ | |
150 | for (i = 0; i < 8; i++) { | |
151 | if ((mask >> i) & 0x01) | |
152 | break; | |
153 | } | |
154 | *val = tmp >> i; | |
155 | ||
156 | return 0; | |
157 | } | |
158 | ||
3bf5e552 AP |
159 | /* write reg val table using reg addr auto increment */ |
160 | static int af9033_wr_reg_val_tab(struct af9033_state *state, | |
161 | const struct reg_val *tab, int tab_len) | |
162 | { | |
163 | int ret, i, j; | |
164 | u8 buf[tab_len]; | |
165 | ||
166 | dev_dbg(&state->i2c->dev, "%s: tab_len=%d\n", __func__, tab_len); | |
167 | ||
168 | for (i = 0, j = 0; i < tab_len; i++) { | |
169 | buf[j] = tab[i].val; | |
170 | ||
171 | if (i == tab_len - 1 || tab[i].reg != tab[i + 1].reg - 1) { | |
172 | ret = af9033_wr_regs(state, tab[i].reg - j, buf, j + 1); | |
173 | if (ret < 0) | |
174 | goto err; | |
175 | ||
176 | j = 0; | |
177 | } else { | |
178 | j++; | |
179 | } | |
180 | } | |
181 | ||
182 | return 0; | |
183 | ||
184 | err: | |
185 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); | |
186 | ||
187 | return ret; | |
188 | } | |
189 | ||
0a73f2d6 | 190 | static u32 af9033_div(struct af9033_state *state, u32 a, u32 b, u32 x) |
4b64bb26 AP |
191 | { |
192 | u32 r = 0, c = 0, i; | |
193 | ||
0a73f2d6 | 194 | dev_dbg(&state->i2c->dev, "%s: a=%d b=%d x=%d\n", __func__, a, b, x); |
4b64bb26 AP |
195 | |
196 | if (a > b) { | |
197 | c = a / b; | |
198 | a = a - c * b; | |
199 | } | |
200 | ||
201 | for (i = 0; i < x; i++) { | |
202 | if (a >= b) { | |
203 | r += 1; | |
204 | a -= b; | |
205 | } | |
206 | a <<= 1; | |
207 | r <<= 1; | |
208 | } | |
209 | r = (c << (u32)x) + r; | |
210 | ||
0a73f2d6 AP |
211 | dev_dbg(&state->i2c->dev, "%s: a=%d b=%d x=%d r=%d r=%x\n", |
212 | __func__, a, b, x, r, r); | |
4b64bb26 AP |
213 | |
214 | return r; | |
215 | } | |
216 | ||
217 | static void af9033_release(struct dvb_frontend *fe) | |
218 | { | |
219 | struct af9033_state *state = fe->demodulator_priv; | |
220 | ||
221 | kfree(state); | |
222 | } | |
223 | ||
224 | static int af9033_init(struct dvb_frontend *fe) | |
225 | { | |
226 | struct af9033_state *state = fe->demodulator_priv; | |
227 | int ret, i, len; | |
228 | const struct reg_val *init; | |
229 | u8 buf[4]; | |
230 | u32 adc_cw, clock_cw; | |
231 | struct reg_val_mask tab[] = { | |
232 | { 0x80fb24, 0x00, 0x08 }, | |
233 | { 0x80004c, 0x00, 0xff }, | |
234 | { 0x00f641, state->cfg.tuner, 0xff }, | |
235 | { 0x80f5ca, 0x01, 0x01 }, | |
236 | { 0x80f715, 0x01, 0x01 }, | |
237 | { 0x00f41f, 0x04, 0x04 }, | |
238 | { 0x00f41a, 0x01, 0x01 }, | |
239 | { 0x80f731, 0x00, 0x01 }, | |
240 | { 0x00d91e, 0x00, 0x01 }, | |
241 | { 0x00d919, 0x00, 0x01 }, | |
242 | { 0x80f732, 0x00, 0x01 }, | |
243 | { 0x00d91f, 0x00, 0x01 }, | |
244 | { 0x00d91a, 0x00, 0x01 }, | |
245 | { 0x80f730, 0x00, 0x01 }, | |
246 | { 0x80f778, 0x00, 0xff }, | |
247 | { 0x80f73c, 0x01, 0x01 }, | |
248 | { 0x80f776, 0x00, 0x01 }, | |
249 | { 0x00d8fd, 0x01, 0xff }, | |
250 | { 0x00d830, 0x01, 0xff }, | |
251 | { 0x00d831, 0x00, 0xff }, | |
252 | { 0x00d832, 0x00, 0xff }, | |
253 | { 0x80f985, state->ts_mode_serial, 0x01 }, | |
254 | { 0x80f986, state->ts_mode_parallel, 0x01 }, | |
255 | { 0x00d827, 0x00, 0xff }, | |
256 | { 0x00d829, 0x00, 0xff }, | |
4902bb39 | 257 | { 0x800045, state->cfg.adc_multiplier, 0xff }, |
4b64bb26 AP |
258 | }; |
259 | ||
260 | /* program clock control */ | |
0a73f2d6 | 261 | clock_cw = af9033_div(state, state->cfg.clock, 1000000ul, 19ul); |
4b64bb26 AP |
262 | buf[0] = (clock_cw >> 0) & 0xff; |
263 | buf[1] = (clock_cw >> 8) & 0xff; | |
264 | buf[2] = (clock_cw >> 16) & 0xff; | |
265 | buf[3] = (clock_cw >> 24) & 0xff; | |
266 | ||
0a73f2d6 AP |
267 | dev_dbg(&state->i2c->dev, "%s: clock=%d clock_cw=%08x\n", |
268 | __func__, state->cfg.clock, clock_cw); | |
4b64bb26 AP |
269 | |
270 | ret = af9033_wr_regs(state, 0x800025, buf, 4); | |
271 | if (ret < 0) | |
272 | goto err; | |
273 | ||
274 | /* program ADC control */ | |
275 | for (i = 0; i < ARRAY_SIZE(clock_adc_lut); i++) { | |
276 | if (clock_adc_lut[i].clock == state->cfg.clock) | |
277 | break; | |
278 | } | |
279 | ||
0a73f2d6 | 280 | adc_cw = af9033_div(state, clock_adc_lut[i].adc, 1000000ul, 19ul); |
4b64bb26 AP |
281 | buf[0] = (adc_cw >> 0) & 0xff; |
282 | buf[1] = (adc_cw >> 8) & 0xff; | |
283 | buf[2] = (adc_cw >> 16) & 0xff; | |
284 | ||
0a73f2d6 AP |
285 | dev_dbg(&state->i2c->dev, "%s: adc=%d adc_cw=%06x\n", |
286 | __func__, clock_adc_lut[i].adc, adc_cw); | |
4b64bb26 AP |
287 | |
288 | ret = af9033_wr_regs(state, 0x80f1cd, buf, 3); | |
289 | if (ret < 0) | |
290 | goto err; | |
291 | ||
292 | /* program register table */ | |
293 | for (i = 0; i < ARRAY_SIZE(tab); i++) { | |
294 | ret = af9033_wr_reg_mask(state, tab[i].reg, tab[i].val, | |
295 | tab[i].mask); | |
296 | if (ret < 0) | |
297 | goto err; | |
298 | } | |
299 | ||
300 | /* settings for TS interface */ | |
301 | if (state->cfg.ts_mode == AF9033_TS_MODE_USB) { | |
302 | ret = af9033_wr_reg_mask(state, 0x80f9a5, 0x00, 0x01); | |
303 | if (ret < 0) | |
304 | goto err; | |
305 | ||
306 | ret = af9033_wr_reg_mask(state, 0x80f9b5, 0x01, 0x01); | |
307 | if (ret < 0) | |
308 | goto err; | |
309 | } else { | |
310 | ret = af9033_wr_reg_mask(state, 0x80f990, 0x00, 0x01); | |
311 | if (ret < 0) | |
312 | goto err; | |
313 | ||
314 | ret = af9033_wr_reg_mask(state, 0x80f9b5, 0x00, 0x01); | |
315 | if (ret < 0) | |
316 | goto err; | |
317 | } | |
318 | ||
319 | /* load OFSM settings */ | |
0a73f2d6 | 320 | dev_dbg(&state->i2c->dev, "%s: load ofsm settings\n", __func__); |
fe8eece1 AP |
321 | switch (state->cfg.tuner) { |
322 | case AF9033_TUNER_IT9135_38: | |
323 | case AF9033_TUNER_IT9135_51: | |
324 | case AF9033_TUNER_IT9135_52: | |
463c399c AP |
325 | len = ARRAY_SIZE(ofsm_init_it9135_v1); |
326 | init = ofsm_init_it9135_v1; | |
327 | break; | |
fe8eece1 AP |
328 | case AF9033_TUNER_IT9135_60: |
329 | case AF9033_TUNER_IT9135_61: | |
330 | case AF9033_TUNER_IT9135_62: | |
463c399c AP |
331 | len = ARRAY_SIZE(ofsm_init_it9135_v2); |
332 | init = ofsm_init_it9135_v2; | |
fe8eece1 AP |
333 | break; |
334 | default: | |
335 | len = ARRAY_SIZE(ofsm_init); | |
336 | init = ofsm_init; | |
337 | break; | |
338 | } | |
339 | ||
3bf5e552 AP |
340 | ret = af9033_wr_reg_val_tab(state, init, len); |
341 | if (ret < 0) | |
342 | goto err; | |
4b64bb26 AP |
343 | |
344 | /* load tuner specific settings */ | |
0a73f2d6 | 345 | dev_dbg(&state->i2c->dev, "%s: load tuner specific settings\n", |
4b64bb26 AP |
346 | __func__); |
347 | switch (state->cfg.tuner) { | |
348 | case AF9033_TUNER_TUA9001: | |
349 | len = ARRAY_SIZE(tuner_init_tua9001); | |
350 | init = tuner_init_tua9001; | |
351 | break; | |
ffc501f6 MB |
352 | case AF9033_TUNER_FC0011: |
353 | len = ARRAY_SIZE(tuner_init_fc0011); | |
354 | init = tuner_init_fc0011; | |
355 | break; | |
540fd4ba HFV |
356 | case AF9033_TUNER_MXL5007T: |
357 | len = ARRAY_SIZE(tuner_init_mxl5007t); | |
358 | init = tuner_init_mxl5007t; | |
359 | break; | |
ce1fe379 GG |
360 | case AF9033_TUNER_TDA18218: |
361 | len = ARRAY_SIZE(tuner_init_tda18218); | |
362 | init = tuner_init_tda18218; | |
363 | break; | |
d67ceb33 OS |
364 | case AF9033_TUNER_FC2580: |
365 | len = ARRAY_SIZE(tuner_init_fc2580); | |
366 | init = tuner_init_fc2580; | |
367 | break; | |
e713ad15 AP |
368 | case AF9033_TUNER_FC0012: |
369 | len = ARRAY_SIZE(tuner_init_fc0012); | |
370 | init = tuner_init_fc0012; | |
371 | break; | |
4902bb39 | 372 | case AF9033_TUNER_IT9135_38: |
a72cbb77 AP |
373 | len = ARRAY_SIZE(tuner_init_it9135_38); |
374 | init = tuner_init_it9135_38; | |
375 | break; | |
4902bb39 | 376 | case AF9033_TUNER_IT9135_51: |
bb2e12a6 AP |
377 | len = ARRAY_SIZE(tuner_init_it9135_51); |
378 | init = tuner_init_it9135_51; | |
379 | break; | |
4902bb39 | 380 | case AF9033_TUNER_IT9135_52: |
22d729f3 AP |
381 | len = ARRAY_SIZE(tuner_init_it9135_52); |
382 | init = tuner_init_it9135_52; | |
383 | break; | |
4902bb39 | 384 | case AF9033_TUNER_IT9135_60: |
a49f53a0 AP |
385 | len = ARRAY_SIZE(tuner_init_it9135_60); |
386 | init = tuner_init_it9135_60; | |
387 | break; | |
4902bb39 | 388 | case AF9033_TUNER_IT9135_61: |
85211323 AP |
389 | len = ARRAY_SIZE(tuner_init_it9135_61); |
390 | init = tuner_init_it9135_61; | |
391 | break; | |
4902bb39 | 392 | case AF9033_TUNER_IT9135_62: |
dc4a2c40 AP |
393 | len = ARRAY_SIZE(tuner_init_it9135_62); |
394 | init = tuner_init_it9135_62; | |
4902bb39 | 395 | break; |
4b64bb26 | 396 | default: |
0a73f2d6 AP |
397 | dev_dbg(&state->i2c->dev, "%s: unsupported tuner ID=%d\n", |
398 | __func__, state->cfg.tuner); | |
4b64bb26 AP |
399 | ret = -ENODEV; |
400 | goto err; | |
401 | } | |
402 | ||
3bf5e552 AP |
403 | ret = af9033_wr_reg_val_tab(state, init, len); |
404 | if (ret < 0) | |
405 | goto err; | |
4b64bb26 | 406 | |
9805992f JAR |
407 | if (state->cfg.ts_mode == AF9033_TS_MODE_SERIAL) { |
408 | ret = af9033_wr_reg_mask(state, 0x00d91c, 0x01, 0x01); | |
409 | if (ret < 0) | |
410 | goto err; | |
bf97b637 | 411 | |
9805992f JAR |
412 | ret = af9033_wr_reg_mask(state, 0x00d917, 0x00, 0x01); |
413 | if (ret < 0) | |
414 | goto err; | |
bf97b637 | 415 | |
9805992f JAR |
416 | ret = af9033_wr_reg_mask(state, 0x00d916, 0x00, 0x01); |
417 | if (ret < 0) | |
418 | goto err; | |
419 | } | |
420 | ||
086991dd AP |
421 | switch (state->cfg.tuner) { |
422 | case AF9033_TUNER_IT9135_60: | |
423 | case AF9033_TUNER_IT9135_61: | |
424 | case AF9033_TUNER_IT9135_62: | |
425 | ret = af9033_wr_reg(state, 0x800000, 0x01); | |
426 | if (ret < 0) | |
427 | goto err; | |
428 | } | |
429 | ||
4b64bb26 AP |
430 | state->bandwidth_hz = 0; /* force to program all parameters */ |
431 | ||
432 | return 0; | |
433 | ||
434 | err: | |
0a73f2d6 | 435 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
4b64bb26 AP |
436 | |
437 | return ret; | |
438 | } | |
439 | ||
440 | static int af9033_sleep(struct dvb_frontend *fe) | |
441 | { | |
442 | struct af9033_state *state = fe->demodulator_priv; | |
443 | int ret, i; | |
444 | u8 tmp; | |
445 | ||
446 | ret = af9033_wr_reg(state, 0x80004c, 1); | |
447 | if (ret < 0) | |
448 | goto err; | |
449 | ||
450 | ret = af9033_wr_reg(state, 0x800000, 0); | |
451 | if (ret < 0) | |
452 | goto err; | |
453 | ||
454 | for (i = 100, tmp = 1; i && tmp; i--) { | |
455 | ret = af9033_rd_reg(state, 0x80004c, &tmp); | |
456 | if (ret < 0) | |
457 | goto err; | |
458 | ||
459 | usleep_range(200, 10000); | |
460 | } | |
461 | ||
0a73f2d6 | 462 | dev_dbg(&state->i2c->dev, "%s: loop=%d\n", __func__, i); |
4b64bb26 AP |
463 | |
464 | if (i == 0) { | |
465 | ret = -ETIMEDOUT; | |
466 | goto err; | |
467 | } | |
468 | ||
469 | ret = af9033_wr_reg_mask(state, 0x80fb24, 0x08, 0x08); | |
470 | if (ret < 0) | |
471 | goto err; | |
472 | ||
473 | /* prevent current leak (?) */ | |
474 | if (state->cfg.ts_mode == AF9033_TS_MODE_SERIAL) { | |
475 | /* enable parallel TS */ | |
476 | ret = af9033_wr_reg_mask(state, 0x00d917, 0x00, 0x01); | |
477 | if (ret < 0) | |
478 | goto err; | |
479 | ||
480 | ret = af9033_wr_reg_mask(state, 0x00d916, 0x01, 0x01); | |
481 | if (ret < 0) | |
482 | goto err; | |
483 | } | |
484 | ||
485 | return 0; | |
486 | ||
487 | err: | |
0a73f2d6 | 488 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
4b64bb26 AP |
489 | |
490 | return ret; | |
491 | } | |
492 | ||
493 | static int af9033_get_tune_settings(struct dvb_frontend *fe, | |
494 | struct dvb_frontend_tune_settings *fesettings) | |
495 | { | |
fe8eece1 AP |
496 | /* 800 => 2000 because IT9135 v2 is slow to gain lock */ |
497 | fesettings->min_delay_ms = 2000; | |
4b64bb26 AP |
498 | fesettings->step_size = 0; |
499 | fesettings->max_drift = 0; | |
500 | ||
501 | return 0; | |
502 | } | |
503 | ||
504 | static int af9033_set_frontend(struct dvb_frontend *fe) | |
505 | { | |
506 | struct af9033_state *state = fe->demodulator_priv; | |
507 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; | |
182b967e | 508 | int ret, i, spec_inv, sampling_freq; |
4b64bb26 | 509 | u8 tmp, buf[3], bandwidth_reg_val; |
540fd4ba | 510 | u32 if_frequency, freq_cw, adc_freq; |
4b64bb26 | 511 | |
0a73f2d6 AP |
512 | dev_dbg(&state->i2c->dev, "%s: frequency=%d bandwidth_hz=%d\n", |
513 | __func__, c->frequency, c->bandwidth_hz); | |
4b64bb26 AP |
514 | |
515 | /* check bandwidth */ | |
516 | switch (c->bandwidth_hz) { | |
517 | case 6000000: | |
518 | bandwidth_reg_val = 0x00; | |
519 | break; | |
520 | case 7000000: | |
521 | bandwidth_reg_val = 0x01; | |
522 | break; | |
523 | case 8000000: | |
524 | bandwidth_reg_val = 0x02; | |
525 | break; | |
526 | default: | |
0a73f2d6 AP |
527 | dev_dbg(&state->i2c->dev, "%s: invalid bandwidth_hz\n", |
528 | __func__); | |
4b64bb26 AP |
529 | ret = -EINVAL; |
530 | goto err; | |
531 | } | |
532 | ||
533 | /* program tuner */ | |
534 | if (fe->ops.tuner_ops.set_params) | |
535 | fe->ops.tuner_ops.set_params(fe); | |
536 | ||
537 | /* program CFOE coefficients */ | |
538 | if (c->bandwidth_hz != state->bandwidth_hz) { | |
539 | for (i = 0; i < ARRAY_SIZE(coeff_lut); i++) { | |
540 | if (coeff_lut[i].clock == state->cfg.clock && | |
541 | coeff_lut[i].bandwidth_hz == c->bandwidth_hz) { | |
542 | break; | |
543 | } | |
544 | } | |
545 | ret = af9033_wr_regs(state, 0x800001, | |
546 | coeff_lut[i].val, sizeof(coeff_lut[i].val)); | |
547 | } | |
548 | ||
549 | /* program frequency control */ | |
550 | if (c->bandwidth_hz != state->bandwidth_hz) { | |
540fd4ba HFV |
551 | spec_inv = state->cfg.spec_inv ? -1 : 1; |
552 | ||
553 | for (i = 0; i < ARRAY_SIZE(clock_adc_lut); i++) { | |
554 | if (clock_adc_lut[i].clock == state->cfg.clock) | |
555 | break; | |
556 | } | |
557 | adc_freq = clock_adc_lut[i].adc; | |
558 | ||
4b64bb26 AP |
559 | /* get used IF frequency */ |
560 | if (fe->ops.tuner_ops.get_if_frequency) | |
561 | fe->ops.tuner_ops.get_if_frequency(fe, &if_frequency); | |
562 | else | |
563 | if_frequency = 0; | |
564 | ||
182b967e | 565 | sampling_freq = if_frequency; |
4b64bb26 | 566 | |
182b967e HFV |
567 | while (sampling_freq > (adc_freq / 2)) |
568 | sampling_freq -= adc_freq; | |
569 | ||
570 | if (sampling_freq >= 0) | |
540fd4ba HFV |
571 | spec_inv *= -1; |
572 | else | |
182b967e | 573 | sampling_freq *= -1; |
540fd4ba | 574 | |
182b967e | 575 | freq_cw = af9033_div(state, sampling_freq, adc_freq, 23ul); |
540fd4ba HFV |
576 | |
577 | if (spec_inv == -1) | |
182b967e | 578 | freq_cw = 0x800000 - freq_cw; |
540fd4ba | 579 | |
4902bb39 | 580 | if (state->cfg.adc_multiplier == AF9033_ADC_MULTIPLIER_2X) |
540fd4ba HFV |
581 | freq_cw /= 2; |
582 | ||
4b64bb26 AP |
583 | buf[0] = (freq_cw >> 0) & 0xff; |
584 | buf[1] = (freq_cw >> 8) & 0xff; | |
585 | buf[2] = (freq_cw >> 16) & 0x7f; | |
fe8eece1 AP |
586 | |
587 | /* FIXME: there seems to be calculation error here... */ | |
588 | if (if_frequency == 0) | |
589 | buf[2] = 0; | |
590 | ||
4b64bb26 AP |
591 | ret = af9033_wr_regs(state, 0x800029, buf, 3); |
592 | if (ret < 0) | |
593 | goto err; | |
594 | ||
595 | state->bandwidth_hz = c->bandwidth_hz; | |
596 | } | |
597 | ||
598 | ret = af9033_wr_reg_mask(state, 0x80f904, bandwidth_reg_val, 0x03); | |
599 | if (ret < 0) | |
600 | goto err; | |
601 | ||
602 | ret = af9033_wr_reg(state, 0x800040, 0x00); | |
603 | if (ret < 0) | |
604 | goto err; | |
605 | ||
606 | ret = af9033_wr_reg(state, 0x800047, 0x00); | |
607 | if (ret < 0) | |
608 | goto err; | |
609 | ||
610 | ret = af9033_wr_reg_mask(state, 0x80f999, 0x00, 0x01); | |
611 | if (ret < 0) | |
612 | goto err; | |
613 | ||
614 | if (c->frequency <= 230000000) | |
615 | tmp = 0x00; /* VHF */ | |
616 | else | |
617 | tmp = 0x01; /* UHF */ | |
618 | ||
619 | ret = af9033_wr_reg(state, 0x80004b, tmp); | |
620 | if (ret < 0) | |
621 | goto err; | |
622 | ||
623 | ret = af9033_wr_reg(state, 0x800000, 0x00); | |
624 | if (ret < 0) | |
625 | goto err; | |
626 | ||
627 | return 0; | |
628 | ||
629 | err: | |
0a73f2d6 | 630 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
4b64bb26 AP |
631 | |
632 | return ret; | |
633 | } | |
634 | ||
0a4df239 GG |
635 | static int af9033_get_frontend(struct dvb_frontend *fe) |
636 | { | |
0a4df239 | 637 | struct af9033_state *state = fe->demodulator_priv; |
de7f14fc | 638 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
0a4df239 GG |
639 | int ret; |
640 | u8 buf[8]; | |
641 | ||
0a73f2d6 | 642 | dev_dbg(&state->i2c->dev, "%s:\n", __func__); |
0a4df239 GG |
643 | |
644 | /* read all needed registers */ | |
645 | ret = af9033_rd_regs(state, 0x80f900, buf, sizeof(buf)); | |
de7f14fc AP |
646 | if (ret < 0) |
647 | goto err; | |
0a4df239 GG |
648 | |
649 | switch ((buf[0] >> 0) & 3) { | |
650 | case 0: | |
de7f14fc | 651 | c->transmission_mode = TRANSMISSION_MODE_2K; |
0a4df239 GG |
652 | break; |
653 | case 1: | |
de7f14fc | 654 | c->transmission_mode = TRANSMISSION_MODE_8K; |
0a4df239 GG |
655 | break; |
656 | } | |
657 | ||
658 | switch ((buf[1] >> 0) & 3) { | |
659 | case 0: | |
de7f14fc | 660 | c->guard_interval = GUARD_INTERVAL_1_32; |
0a4df239 GG |
661 | break; |
662 | case 1: | |
de7f14fc | 663 | c->guard_interval = GUARD_INTERVAL_1_16; |
0a4df239 GG |
664 | break; |
665 | case 2: | |
de7f14fc | 666 | c->guard_interval = GUARD_INTERVAL_1_8; |
0a4df239 GG |
667 | break; |
668 | case 3: | |
de7f14fc | 669 | c->guard_interval = GUARD_INTERVAL_1_4; |
0a4df239 GG |
670 | break; |
671 | } | |
672 | ||
673 | switch ((buf[2] >> 0) & 7) { | |
674 | case 0: | |
de7f14fc | 675 | c->hierarchy = HIERARCHY_NONE; |
0a4df239 GG |
676 | break; |
677 | case 1: | |
de7f14fc | 678 | c->hierarchy = HIERARCHY_1; |
0a4df239 GG |
679 | break; |
680 | case 2: | |
de7f14fc | 681 | c->hierarchy = HIERARCHY_2; |
0a4df239 GG |
682 | break; |
683 | case 3: | |
de7f14fc | 684 | c->hierarchy = HIERARCHY_4; |
0a4df239 GG |
685 | break; |
686 | } | |
687 | ||
688 | switch ((buf[3] >> 0) & 3) { | |
689 | case 0: | |
de7f14fc | 690 | c->modulation = QPSK; |
0a4df239 GG |
691 | break; |
692 | case 1: | |
de7f14fc | 693 | c->modulation = QAM_16; |
0a4df239 GG |
694 | break; |
695 | case 2: | |
de7f14fc | 696 | c->modulation = QAM_64; |
0a4df239 GG |
697 | break; |
698 | } | |
699 | ||
700 | switch ((buf[4] >> 0) & 3) { | |
701 | case 0: | |
de7f14fc | 702 | c->bandwidth_hz = 6000000; |
0a4df239 GG |
703 | break; |
704 | case 1: | |
de7f14fc | 705 | c->bandwidth_hz = 7000000; |
0a4df239 GG |
706 | break; |
707 | case 2: | |
de7f14fc | 708 | c->bandwidth_hz = 8000000; |
0a4df239 GG |
709 | break; |
710 | } | |
711 | ||
712 | switch ((buf[6] >> 0) & 7) { | |
713 | case 0: | |
de7f14fc | 714 | c->code_rate_HP = FEC_1_2; |
0a4df239 GG |
715 | break; |
716 | case 1: | |
de7f14fc | 717 | c->code_rate_HP = FEC_2_3; |
0a4df239 GG |
718 | break; |
719 | case 2: | |
de7f14fc | 720 | c->code_rate_HP = FEC_3_4; |
0a4df239 GG |
721 | break; |
722 | case 3: | |
de7f14fc | 723 | c->code_rate_HP = FEC_5_6; |
0a4df239 GG |
724 | break; |
725 | case 4: | |
de7f14fc | 726 | c->code_rate_HP = FEC_7_8; |
0a4df239 GG |
727 | break; |
728 | case 5: | |
de7f14fc | 729 | c->code_rate_HP = FEC_NONE; |
0a4df239 GG |
730 | break; |
731 | } | |
732 | ||
733 | switch ((buf[7] >> 0) & 7) { | |
734 | case 0: | |
de7f14fc | 735 | c->code_rate_LP = FEC_1_2; |
0a4df239 GG |
736 | break; |
737 | case 1: | |
de7f14fc | 738 | c->code_rate_LP = FEC_2_3; |
0a4df239 GG |
739 | break; |
740 | case 2: | |
de7f14fc | 741 | c->code_rate_LP = FEC_3_4; |
0a4df239 GG |
742 | break; |
743 | case 3: | |
de7f14fc | 744 | c->code_rate_LP = FEC_5_6; |
0a4df239 GG |
745 | break; |
746 | case 4: | |
de7f14fc | 747 | c->code_rate_LP = FEC_7_8; |
0a4df239 GG |
748 | break; |
749 | case 5: | |
de7f14fc | 750 | c->code_rate_LP = FEC_NONE; |
0a4df239 GG |
751 | break; |
752 | } | |
753 | ||
de7f14fc | 754 | return 0; |
0a4df239 | 755 | |
de7f14fc | 756 | err: |
0a73f2d6 | 757 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
0a4df239 GG |
758 | |
759 | return ret; | |
760 | } | |
761 | ||
4b64bb26 AP |
762 | static int af9033_read_status(struct dvb_frontend *fe, fe_status_t *status) |
763 | { | |
764 | struct af9033_state *state = fe->demodulator_priv; | |
765 | int ret; | |
766 | u8 tmp; | |
767 | ||
768 | *status = 0; | |
769 | ||
770 | /* radio channel status, 0=no result, 1=has signal, 2=no signal */ | |
771 | ret = af9033_rd_reg(state, 0x800047, &tmp); | |
772 | if (ret < 0) | |
773 | goto err; | |
774 | ||
775 | /* has signal */ | |
776 | if (tmp == 0x01) | |
777 | *status |= FE_HAS_SIGNAL; | |
778 | ||
779 | if (tmp != 0x02) { | |
780 | /* TPS lock */ | |
781 | ret = af9033_rd_reg_mask(state, 0x80f5a9, &tmp, 0x01); | |
782 | if (ret < 0) | |
783 | goto err; | |
784 | ||
785 | if (tmp) | |
786 | *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER | | |
787 | FE_HAS_VITERBI; | |
788 | ||
789 | /* full lock */ | |
790 | ret = af9033_rd_reg_mask(state, 0x80f999, &tmp, 0x01); | |
791 | if (ret < 0) | |
792 | goto err; | |
793 | ||
794 | if (tmp) | |
795 | *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER | | |
796 | FE_HAS_VITERBI | FE_HAS_SYNC | | |
797 | FE_HAS_LOCK; | |
798 | } | |
799 | ||
800 | return 0; | |
801 | ||
802 | err: | |
0a73f2d6 | 803 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
4b64bb26 AP |
804 | |
805 | return ret; | |
806 | } | |
807 | ||
808 | static int af9033_read_snr(struct dvb_frontend *fe, u16 *snr) | |
809 | { | |
e898ef62 AP |
810 | struct af9033_state *state = fe->demodulator_priv; |
811 | int ret, i, len; | |
812 | u8 buf[3], tmp; | |
813 | u32 snr_val; | |
814 | const struct val_snr *uninitialized_var(snr_lut); | |
815 | ||
816 | /* read value */ | |
817 | ret = af9033_rd_regs(state, 0x80002c, buf, 3); | |
818 | if (ret < 0) | |
819 | goto err; | |
820 | ||
821 | snr_val = (buf[2] << 16) | (buf[1] << 8) | buf[0]; | |
822 | ||
823 | /* read current modulation */ | |
824 | ret = af9033_rd_reg(state, 0x80f903, &tmp); | |
825 | if (ret < 0) | |
826 | goto err; | |
827 | ||
828 | switch ((tmp >> 0) & 3) { | |
829 | case 0: | |
830 | len = ARRAY_SIZE(qpsk_snr_lut); | |
831 | snr_lut = qpsk_snr_lut; | |
832 | break; | |
833 | case 1: | |
834 | len = ARRAY_SIZE(qam16_snr_lut); | |
835 | snr_lut = qam16_snr_lut; | |
836 | break; | |
837 | case 2: | |
838 | len = ARRAY_SIZE(qam64_snr_lut); | |
839 | snr_lut = qam64_snr_lut; | |
840 | break; | |
841 | default: | |
842 | goto err; | |
843 | } | |
844 | ||
845 | for (i = 0; i < len; i++) { | |
846 | tmp = snr_lut[i].snr; | |
847 | ||
848 | if (snr_val < snr_lut[i].val) | |
849 | break; | |
850 | } | |
851 | ||
852 | *snr = tmp * 10; /* dB/10 */ | |
4b64bb26 AP |
853 | |
854 | return 0; | |
e898ef62 AP |
855 | |
856 | err: | |
0a73f2d6 | 857 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
e898ef62 AP |
858 | |
859 | return ret; | |
4b64bb26 AP |
860 | } |
861 | ||
862 | static int af9033_read_signal_strength(struct dvb_frontend *fe, u16 *strength) | |
863 | { | |
864 | struct af9033_state *state = fe->demodulator_priv; | |
865 | int ret; | |
866 | u8 strength2; | |
867 | ||
868 | /* read signal strength of 0-100 scale */ | |
869 | ret = af9033_rd_reg(state, 0x800048, &strength2); | |
870 | if (ret < 0) | |
871 | goto err; | |
872 | ||
873 | /* scale value to 0x0000-0xffff */ | |
874 | *strength = strength2 * 0xffff / 100; | |
875 | ||
876 | return 0; | |
877 | ||
878 | err: | |
0a73f2d6 | 879 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
4b64bb26 AP |
880 | |
881 | return ret; | |
882 | } | |
883 | ||
47eafa54 HFV |
884 | static int af9033_update_ch_stat(struct af9033_state *state) |
885 | { | |
886 | int ret = 0; | |
887 | u32 err_cnt, bit_cnt; | |
888 | u16 abort_cnt; | |
889 | u8 buf[7]; | |
890 | ||
891 | /* only update data every half second */ | |
892 | if (time_after(jiffies, state->last_stat_check + msecs_to_jiffies(500))) { | |
893 | ret = af9033_rd_regs(state, 0x800032, buf, sizeof(buf)); | |
894 | if (ret < 0) | |
895 | goto err; | |
896 | /* in 8 byte packets? */ | |
897 | abort_cnt = (buf[1] << 8) + buf[0]; | |
898 | /* in bits */ | |
899 | err_cnt = (buf[4] << 16) + (buf[3] << 8) + buf[2]; | |
900 | /* in 8 byte packets? always(?) 0x2710 = 10000 */ | |
901 | bit_cnt = (buf[6] << 8) + buf[5]; | |
902 | ||
903 | if (bit_cnt < abort_cnt) { | |
904 | abort_cnt = 1000; | |
905 | state->ber = 0xffffffff; | |
906 | } else { | |
907 | /* 8 byte packets, that have not been rejected already */ | |
908 | bit_cnt -= (u32)abort_cnt; | |
909 | if (bit_cnt == 0) { | |
910 | state->ber = 0xffffffff; | |
911 | } else { | |
912 | err_cnt -= (u32)abort_cnt * 8 * 8; | |
913 | bit_cnt *= 8 * 8; | |
914 | state->ber = err_cnt * (0xffffffff / bit_cnt); | |
915 | } | |
916 | } | |
917 | state->ucb += abort_cnt; | |
918 | state->last_stat_check = jiffies; | |
919 | } | |
920 | ||
921 | return 0; | |
922 | err: | |
0a73f2d6 AP |
923 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
924 | ||
47eafa54 HFV |
925 | return ret; |
926 | } | |
927 | ||
4b64bb26 AP |
928 | static int af9033_read_ber(struct dvb_frontend *fe, u32 *ber) |
929 | { | |
47eafa54 HFV |
930 | struct af9033_state *state = fe->demodulator_priv; |
931 | int ret; | |
932 | ||
933 | ret = af9033_update_ch_stat(state); | |
934 | if (ret < 0) | |
935 | return ret; | |
936 | ||
937 | *ber = state->ber; | |
4b64bb26 AP |
938 | |
939 | return 0; | |
940 | } | |
941 | ||
942 | static int af9033_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) | |
943 | { | |
47eafa54 HFV |
944 | struct af9033_state *state = fe->demodulator_priv; |
945 | int ret; | |
946 | ||
947 | ret = af9033_update_ch_stat(state); | |
948 | if (ret < 0) | |
949 | return ret; | |
950 | ||
951 | *ucblocks = state->ucb; | |
4b64bb26 AP |
952 | |
953 | return 0; | |
954 | } | |
955 | ||
956 | static int af9033_i2c_gate_ctrl(struct dvb_frontend *fe, int enable) | |
957 | { | |
958 | struct af9033_state *state = fe->demodulator_priv; | |
959 | int ret; | |
960 | ||
0a73f2d6 | 961 | dev_dbg(&state->i2c->dev, "%s: enable=%d\n", __func__, enable); |
4b64bb26 AP |
962 | |
963 | ret = af9033_wr_reg_mask(state, 0x00fa04, enable, 0x01); | |
964 | if (ret < 0) | |
965 | goto err; | |
966 | ||
967 | return 0; | |
968 | ||
969 | err: | |
0a73f2d6 | 970 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
4b64bb26 AP |
971 | |
972 | return ret; | |
973 | } | |
974 | ||
975 | static struct dvb_frontend_ops af9033_ops; | |
976 | ||
977 | struct dvb_frontend *af9033_attach(const struct af9033_config *config, | |
978 | struct i2c_adapter *i2c) | |
979 | { | |
980 | int ret; | |
981 | struct af9033_state *state; | |
982 | u8 buf[8]; | |
983 | ||
0a73f2d6 | 984 | dev_dbg(&i2c->dev, "%s:\n", __func__); |
4b64bb26 AP |
985 | |
986 | /* allocate memory for the internal state */ | |
987 | state = kzalloc(sizeof(struct af9033_state), GFP_KERNEL); | |
988 | if (state == NULL) | |
989 | goto err; | |
990 | ||
991 | /* setup the state */ | |
992 | state->i2c = i2c; | |
993 | memcpy(&state->cfg, config, sizeof(struct af9033_config)); | |
994 | ||
8e8a5ac7 | 995 | if (state->cfg.clock != 12000000) { |
0a73f2d6 AP |
996 | dev_err(&state->i2c->dev, "%s: af9033: unsupported clock=%d, " \ |
997 | "only 12000000 Hz is supported currently\n", | |
998 | KBUILD_MODNAME, state->cfg.clock); | |
8e8a5ac7 AP |
999 | goto err; |
1000 | } | |
1001 | ||
4b64bb26 AP |
1002 | /* firmware version */ |
1003 | ret = af9033_rd_regs(state, 0x0083e9, &buf[0], 4); | |
1004 | if (ret < 0) | |
1005 | goto err; | |
1006 | ||
1007 | ret = af9033_rd_regs(state, 0x804191, &buf[4], 4); | |
1008 | if (ret < 0) | |
1009 | goto err; | |
1010 | ||
0a73f2d6 AP |
1011 | dev_info(&state->i2c->dev, "%s: firmware version: LINK=%d.%d.%d.%d " \ |
1012 | "OFDM=%d.%d.%d.%d\n", KBUILD_MODNAME, buf[0], buf[1], | |
1013 | buf[2], buf[3], buf[4], buf[5], buf[6], buf[7]); | |
4b64bb26 | 1014 | |
0c13c54d AP |
1015 | /* sleep */ |
1016 | switch (state->cfg.tuner) { | |
1017 | case AF9033_TUNER_IT9135_38: | |
1018 | case AF9033_TUNER_IT9135_51: | |
1019 | case AF9033_TUNER_IT9135_52: | |
1020 | case AF9033_TUNER_IT9135_60: | |
1021 | case AF9033_TUNER_IT9135_61: | |
1022 | case AF9033_TUNER_IT9135_62: | |
1023 | /* IT9135 did not like to sleep at that early */ | |
1024 | break; | |
1025 | default: | |
4902bb39 AP |
1026 | ret = af9033_wr_reg(state, 0x80004c, 1); |
1027 | if (ret < 0) | |
1028 | goto err; | |
1029 | ||
1030 | ret = af9033_wr_reg(state, 0x800000, 0); | |
1031 | if (ret < 0) | |
1032 | goto err; | |
1033 | } | |
12897dc3 | 1034 | |
4b64bb26 AP |
1035 | /* configure internal TS mode */ |
1036 | switch (state->cfg.ts_mode) { | |
1037 | case AF9033_TS_MODE_PARALLEL: | |
1038 | state->ts_mode_parallel = true; | |
1039 | break; | |
1040 | case AF9033_TS_MODE_SERIAL: | |
1041 | state->ts_mode_serial = true; | |
1042 | break; | |
1043 | case AF9033_TS_MODE_USB: | |
1044 | /* usb mode for AF9035 */ | |
1045 | default: | |
1046 | break; | |
1047 | } | |
1048 | ||
1049 | /* create dvb_frontend */ | |
1050 | memcpy(&state->fe.ops, &af9033_ops, sizeof(struct dvb_frontend_ops)); | |
1051 | state->fe.demodulator_priv = state; | |
1052 | ||
1053 | return &state->fe; | |
1054 | ||
1055 | err: | |
1056 | kfree(state); | |
1057 | return NULL; | |
1058 | } | |
1059 | EXPORT_SYMBOL(af9033_attach); | |
1060 | ||
1061 | static struct dvb_frontend_ops af9033_ops = { | |
1062 | .delsys = { SYS_DVBT }, | |
1063 | .info = { | |
1064 | .name = "Afatech AF9033 (DVB-T)", | |
1065 | .frequency_min = 174000000, | |
1066 | .frequency_max = 862000000, | |
1067 | .frequency_stepsize = 250000, | |
1068 | .frequency_tolerance = 0, | |
1069 | .caps = FE_CAN_FEC_1_2 | | |
1070 | FE_CAN_FEC_2_3 | | |
1071 | FE_CAN_FEC_3_4 | | |
1072 | FE_CAN_FEC_5_6 | | |
1073 | FE_CAN_FEC_7_8 | | |
1074 | FE_CAN_FEC_AUTO | | |
1075 | FE_CAN_QPSK | | |
1076 | FE_CAN_QAM_16 | | |
1077 | FE_CAN_QAM_64 | | |
1078 | FE_CAN_QAM_AUTO | | |
1079 | FE_CAN_TRANSMISSION_MODE_AUTO | | |
1080 | FE_CAN_GUARD_INTERVAL_AUTO | | |
1081 | FE_CAN_HIERARCHY_AUTO | | |
1082 | FE_CAN_RECOVER | | |
1083 | FE_CAN_MUTE_TS | |
1084 | }, | |
1085 | ||
1086 | .release = af9033_release, | |
1087 | ||
1088 | .init = af9033_init, | |
1089 | .sleep = af9033_sleep, | |
1090 | ||
1091 | .get_tune_settings = af9033_get_tune_settings, | |
1092 | .set_frontend = af9033_set_frontend, | |
0a4df239 | 1093 | .get_frontend = af9033_get_frontend, |
4b64bb26 AP |
1094 | |
1095 | .read_status = af9033_read_status, | |
1096 | .read_snr = af9033_read_snr, | |
1097 | .read_signal_strength = af9033_read_signal_strength, | |
1098 | .read_ber = af9033_read_ber, | |
1099 | .read_ucblocks = af9033_read_ucblocks, | |
1100 | ||
1101 | .i2c_gate_ctrl = af9033_i2c_gate_ctrl, | |
1102 | }; | |
1103 | ||
1104 | MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); | |
1105 | MODULE_DESCRIPTION("Afatech AF9033 DVB-T demodulator driver"); | |
1106 | MODULE_LICENSE("GPL"); |