Commit | Line | Data |
---|---|---|
e4aab64c IL |
1 | /* |
2 | Driver for ST STV0288 demodulator | |
3 | Copyright (C) 2006 Georg Acher, BayCom GmbH, acher (at) baycom (dot) de | |
4 | for Reel Multimedia | |
5 | Copyright (C) 2008 TurboSight.com, Bob Liu <bob@turbosight.com> | |
6 | Copyright (C) 2008 Igor M. Liplianin <liplianin@me.by> | |
7 | Removed stb6000 specific tuner code and revised some | |
8 | procedures. | |
352a587c MP |
9 | 2010-09-01 Josef Pavlik <josef@pavlik.it> |
10 | Fixed diseqc_msg, diseqc_burst and set_tone problems | |
e4aab64c IL |
11 | |
12 | This program is free software; you can redistribute it and/or modify | |
13 | it under the terms of the GNU General Public License as published by | |
14 | the Free Software Foundation; either version 2 of the License, or | |
15 | (at your option) any later version. | |
16 | ||
17 | This program is distributed in the hope that it will be useful, | |
18 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | GNU General Public License for more details. | |
21 | ||
22 | You should have received a copy of the GNU General Public License | |
23 | along with this program; if not, write to the Free Software | |
24 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
25 | ||
26 | */ | |
27 | ||
28 | #include <linux/init.h> | |
29 | #include <linux/kernel.h> | |
30 | #include <linux/module.h> | |
31 | #include <linux/string.h> | |
32 | #include <linux/slab.h> | |
33 | #include <linux/jiffies.h> | |
34 | #include <asm/div64.h> | |
35 | ||
36 | #include "dvb_frontend.h" | |
37 | #include "stv0288.h" | |
38 | ||
39 | struct stv0288_state { | |
40 | struct i2c_adapter *i2c; | |
41 | const struct stv0288_config *config; | |
42 | struct dvb_frontend frontend; | |
43 | ||
44 | u8 initialised:1; | |
45 | u32 tuner_frequency; | |
46 | u32 symbol_rate; | |
0df289a2 | 47 | enum fe_code_rate fec_inner; |
e4aab64c IL |
48 | int errmode; |
49 | }; | |
50 | ||
51 | #define STATUS_BER 0 | |
52 | #define STATUS_UCBLOCKS 1 | |
53 | ||
54 | static int debug; | |
55 | static int debug_legacy_dish_switch; | |
56 | #define dprintk(args...) \ | |
57 | do { \ | |
58 | if (debug) \ | |
59 | printk(KERN_DEBUG "stv0288: " args); \ | |
60 | } while (0) | |
61 | ||
62 | ||
63 | static int stv0288_writeregI(struct stv0288_state *state, u8 reg, u8 data) | |
64 | { | |
65 | int ret; | |
66 | u8 buf[] = { reg, data }; | |
67 | struct i2c_msg msg = { | |
68 | .addr = state->config->demod_address, | |
69 | .flags = 0, | |
70 | .buf = buf, | |
71 | .len = 2 | |
72 | }; | |
73 | ||
74 | ret = i2c_transfer(state->i2c, &msg, 1); | |
75 | ||
76 | if (ret != 1) | |
77 | dprintk("%s: writereg error (reg == 0x%02x, val == 0x%02x, " | |
78 | "ret == %i)\n", __func__, reg, data, ret); | |
79 | ||
80 | return (ret != 1) ? -EREMOTEIO : 0; | |
81 | } | |
82 | ||
2e4e98e7 | 83 | static int stv0288_write(struct dvb_frontend *fe, const u8 buf[], int len) |
e4aab64c IL |
84 | { |
85 | struct stv0288_state *state = fe->demodulator_priv; | |
86 | ||
87 | if (len != 2) | |
88 | return -EINVAL; | |
89 | ||
90 | return stv0288_writeregI(state, buf[0], buf[1]); | |
91 | } | |
92 | ||
93 | static u8 stv0288_readreg(struct stv0288_state *state, u8 reg) | |
94 | { | |
95 | int ret; | |
96 | u8 b0[] = { reg }; | |
97 | u8 b1[] = { 0 }; | |
98 | struct i2c_msg msg[] = { | |
99 | { | |
100 | .addr = state->config->demod_address, | |
101 | .flags = 0, | |
102 | .buf = b0, | |
103 | .len = 1 | |
104 | }, { | |
105 | .addr = state->config->demod_address, | |
106 | .flags = I2C_M_RD, | |
107 | .buf = b1, | |
108 | .len = 1 | |
109 | } | |
110 | }; | |
111 | ||
112 | ret = i2c_transfer(state->i2c, msg, 2); | |
113 | ||
114 | if (ret != 2) | |
115 | dprintk("%s: readreg error (reg == 0x%02x, ret == %i)\n", | |
116 | __func__, reg, ret); | |
117 | ||
118 | return b1[0]; | |
119 | } | |
120 | ||
121 | static int stv0288_set_symbolrate(struct dvb_frontend *fe, u32 srate) | |
122 | { | |
123 | struct stv0288_state *state = fe->demodulator_priv; | |
124 | unsigned int temp; | |
125 | unsigned char b[3]; | |
126 | ||
127 | if ((srate < 1000000) || (srate > 45000000)) | |
128 | return -EINVAL; | |
129 | ||
59152b1c | 130 | stv0288_writeregI(state, 0x22, 0); |
131 | stv0288_writeregI(state, 0x23, 0); | |
132 | stv0288_writeregI(state, 0x2b, 0xff); | |
133 | stv0288_writeregI(state, 0x2c, 0xf7); | |
134 | ||
e4aab64c IL |
135 | temp = (unsigned int)srate / 1000; |
136 | ||
451dfbe9 MCC |
137 | temp = temp * 32768; |
138 | temp = temp / 25; | |
139 | temp = temp / 125; | |
140 | b[0] = (unsigned char)((temp >> 12) & 0xff); | |
141 | b[1] = (unsigned char)((temp >> 4) & 0xff); | |
142 | b[2] = (unsigned char)((temp << 4) & 0xf0); | |
143 | stv0288_writeregI(state, 0x28, 0x80); /* SFRH */ | |
144 | stv0288_writeregI(state, 0x29, 0); /* SFRM */ | |
145 | stv0288_writeregI(state, 0x2a, 0); /* SFRL */ | |
146 | ||
147 | stv0288_writeregI(state, 0x28, b[0]); | |
148 | stv0288_writeregI(state, 0x29, b[1]); | |
149 | stv0288_writeregI(state, 0x2a, b[2]); | |
150 | dprintk("stv0288: stv0288_set_symbolrate\n"); | |
e4aab64c IL |
151 | |
152 | return 0; | |
153 | } | |
154 | ||
155 | static int stv0288_send_diseqc_msg(struct dvb_frontend *fe, | |
156 | struct dvb_diseqc_master_cmd *m) | |
157 | { | |
158 | struct stv0288_state *state = fe->demodulator_priv; | |
159 | ||
160 | int i; | |
161 | ||
162 | dprintk("%s\n", __func__); | |
163 | ||
164 | stv0288_writeregI(state, 0x09, 0); | |
165 | msleep(30); | |
352a587c | 166 | stv0288_writeregI(state, 0x05, 0x12);/* modulated mode, single shot */ |
e4aab64c IL |
167 | |
168 | for (i = 0; i < m->msg_len; i++) { | |
169 | if (stv0288_writeregI(state, 0x06, m->msg[i])) | |
170 | return -EREMOTEIO; | |
e4aab64c | 171 | } |
352a587c | 172 | msleep(m->msg_len*12); |
e4aab64c IL |
173 | return 0; |
174 | } | |
175 | ||
176 | static int stv0288_send_diseqc_burst(struct dvb_frontend *fe, | |
0df289a2 | 177 | enum fe_sec_mini_cmd burst) |
e4aab64c IL |
178 | { |
179 | struct stv0288_state *state = fe->demodulator_priv; | |
180 | ||
181 | dprintk("%s\n", __func__); | |
182 | ||
352a587c | 183 | if (stv0288_writeregI(state, 0x05, 0x03))/* burst mode, single shot */ |
e4aab64c IL |
184 | return -EREMOTEIO; |
185 | ||
186 | if (stv0288_writeregI(state, 0x06, burst == SEC_MINI_A ? 0x00 : 0xff)) | |
187 | return -EREMOTEIO; | |
188 | ||
352a587c MP |
189 | msleep(15); |
190 | if (stv0288_writeregI(state, 0x05, 0x12)) | |
e4aab64c IL |
191 | return -EREMOTEIO; |
192 | ||
193 | return 0; | |
194 | } | |
195 | ||
0df289a2 | 196 | static int stv0288_set_tone(struct dvb_frontend *fe, enum fe_sec_tone_mode tone) |
e4aab64c IL |
197 | { |
198 | struct stv0288_state *state = fe->demodulator_priv; | |
199 | ||
200 | switch (tone) { | |
201 | case SEC_TONE_ON: | |
352a587c | 202 | if (stv0288_writeregI(state, 0x05, 0x10))/* cont carrier */ |
e4aab64c | 203 | return -EREMOTEIO; |
352a587c | 204 | break; |
e4aab64c IL |
205 | |
206 | case SEC_TONE_OFF: | |
352a587c | 207 | if (stv0288_writeregI(state, 0x05, 0x12))/* burst mode off*/ |
e4aab64c | 208 | return -EREMOTEIO; |
352a587c | 209 | break; |
e4aab64c IL |
210 | |
211 | default: | |
212 | return -EINVAL; | |
213 | } | |
352a587c | 214 | return 0; |
e4aab64c IL |
215 | } |
216 | ||
217 | static u8 stv0288_inittab[] = { | |
218 | 0x01, 0x15, | |
219 | 0x02, 0x20, | |
220 | 0x09, 0x0, | |
221 | 0x0a, 0x4, | |
222 | 0x0b, 0x0, | |
223 | 0x0c, 0x0, | |
224 | 0x0d, 0x0, | |
225 | 0x0e, 0xd4, | |
226 | 0x0f, 0x30, | |
227 | 0x11, 0x80, | |
228 | 0x12, 0x03, | |
229 | 0x13, 0x48, | |
230 | 0x14, 0x84, | |
231 | 0x15, 0x45, | |
232 | 0x16, 0xb7, | |
233 | 0x17, 0x9c, | |
234 | 0x18, 0x0, | |
235 | 0x19, 0xa6, | |
236 | 0x1a, 0x88, | |
237 | 0x1b, 0x8f, | |
238 | 0x1c, 0xf0, | |
239 | 0x20, 0x0b, | |
240 | 0x21, 0x54, | |
241 | 0x22, 0x0, | |
242 | 0x23, 0x0, | |
243 | 0x2b, 0xff, | |
244 | 0x2c, 0xf7, | |
245 | 0x30, 0x0, | |
246 | 0x31, 0x1e, | |
247 | 0x32, 0x14, | |
248 | 0x33, 0x0f, | |
249 | 0x34, 0x09, | |
250 | 0x35, 0x0c, | |
251 | 0x36, 0x05, | |
252 | 0x37, 0x2f, | |
253 | 0x38, 0x16, | |
254 | 0x39, 0xbe, | |
255 | 0x3a, 0x0, | |
256 | 0x3b, 0x13, | |
257 | 0x3c, 0x11, | |
258 | 0x3d, 0x30, | |
259 | 0x40, 0x63, | |
260 | 0x41, 0x04, | |
bb19a421 | 261 | 0x42, 0x20, |
e4aab64c IL |
262 | 0x43, 0x00, |
263 | 0x44, 0x00, | |
264 | 0x45, 0x00, | |
265 | 0x46, 0x00, | |
266 | 0x47, 0x00, | |
267 | 0x4a, 0x00, | |
268 | 0x50, 0x10, | |
269 | 0x51, 0x38, | |
270 | 0x52, 0x21, | |
271 | 0x58, 0x54, | |
272 | 0x59, 0x86, | |
273 | 0x5a, 0x0, | |
274 | 0x5b, 0x9b, | |
275 | 0x5c, 0x08, | |
276 | 0x5d, 0x7f, | |
277 | 0x5e, 0x0, | |
278 | 0x5f, 0xff, | |
279 | 0x70, 0x0, | |
280 | 0x71, 0x0, | |
281 | 0x72, 0x0, | |
282 | 0x74, 0x0, | |
283 | 0x75, 0x0, | |
284 | 0x76, 0x0, | |
285 | 0x81, 0x0, | |
286 | 0x82, 0x3f, | |
287 | 0x83, 0x3f, | |
288 | 0x84, 0x0, | |
289 | 0x85, 0x0, | |
290 | 0x88, 0x0, | |
291 | 0x89, 0x0, | |
292 | 0x8a, 0x0, | |
293 | 0x8b, 0x0, | |
294 | 0x8c, 0x0, | |
295 | 0x90, 0x0, | |
296 | 0x91, 0x0, | |
297 | 0x92, 0x0, | |
298 | 0x93, 0x0, | |
299 | 0x94, 0x1c, | |
300 | 0x97, 0x0, | |
301 | 0xa0, 0x48, | |
302 | 0xa1, 0x0, | |
303 | 0xb0, 0xb8, | |
304 | 0xb1, 0x3a, | |
305 | 0xb2, 0x10, | |
306 | 0xb3, 0x82, | |
307 | 0xb4, 0x80, | |
308 | 0xb5, 0x82, | |
309 | 0xb6, 0x82, | |
310 | 0xb7, 0x82, | |
311 | 0xb8, 0x20, | |
312 | 0xb9, 0x0, | |
313 | 0xf0, 0x0, | |
314 | 0xf1, 0x0, | |
315 | 0xf2, 0xc0, | |
316 | 0x51, 0x36, | |
317 | 0x52, 0x09, | |
318 | 0x53, 0x94, | |
319 | 0x54, 0x62, | |
320 | 0x55, 0x29, | |
321 | 0x56, 0x64, | |
322 | 0x57, 0x2b, | |
323 | 0xff, 0xff, | |
324 | }; | |
325 | ||
0df289a2 MCC |
326 | static int stv0288_set_voltage(struct dvb_frontend *fe, |
327 | enum fe_sec_voltage volt) | |
e4aab64c IL |
328 | { |
329 | dprintk("%s: %s\n", __func__, | |
330 | volt == SEC_VOLTAGE_13 ? "SEC_VOLTAGE_13" : | |
331 | volt == SEC_VOLTAGE_18 ? "SEC_VOLTAGE_18" : "??"); | |
332 | ||
333 | return 0; | |
334 | } | |
335 | ||
336 | static int stv0288_init(struct dvb_frontend *fe) | |
337 | { | |
338 | struct stv0288_state *state = fe->demodulator_priv; | |
339 | int i; | |
de9be0ea IL |
340 | u8 reg; |
341 | u8 val; | |
e4aab64c IL |
342 | |
343 | dprintk("stv0288: init chip\n"); | |
344 | stv0288_writeregI(state, 0x41, 0x04); | |
345 | msleep(50); | |
346 | ||
de9be0ea IL |
347 | /* we have default inittab */ |
348 | if (state->config->inittab == NULL) { | |
349 | for (i = 0; !(stv0288_inittab[i] == 0xff && | |
e4aab64c | 350 | stv0288_inittab[i + 1] == 0xff); i += 2) |
de9be0ea IL |
351 | stv0288_writeregI(state, stv0288_inittab[i], |
352 | stv0288_inittab[i + 1]); | |
353 | } else { | |
354 | for (i = 0; ; i += 2) { | |
355 | reg = state->config->inittab[i]; | |
356 | val = state->config->inittab[i+1]; | |
357 | if (reg == 0xff && val == 0xff) | |
358 | break; | |
359 | stv0288_writeregI(state, reg, val); | |
360 | } | |
361 | } | |
e4aab64c IL |
362 | return 0; |
363 | } | |
364 | ||
0df289a2 | 365 | static int stv0288_read_status(struct dvb_frontend *fe, enum fe_status *status) |
e4aab64c IL |
366 | { |
367 | struct stv0288_state *state = fe->demodulator_priv; | |
368 | ||
369 | u8 sync = stv0288_readreg(state, 0x24); | |
370 | if (sync == 255) | |
371 | sync = 0; | |
372 | ||
373 | dprintk("%s : FE_READ_STATUS : VSTATUS: 0x%02x\n", __func__, sync); | |
374 | ||
375 | *status = 0; | |
b50b3a1a MP |
376 | if (sync & 0x80) |
377 | *status |= FE_HAS_CARRIER | FE_HAS_SIGNAL; | |
378 | if (sync & 0x10) | |
379 | *status |= FE_HAS_VITERBI; | |
380 | if (sync & 0x08) { | |
e4aab64c IL |
381 | *status |= FE_HAS_LOCK; |
382 | dprintk("stv0288 has locked\n"); | |
383 | } | |
384 | ||
385 | return 0; | |
386 | } | |
387 | ||
388 | static int stv0288_read_ber(struct dvb_frontend *fe, u32 *ber) | |
389 | { | |
390 | struct stv0288_state *state = fe->demodulator_priv; | |
391 | ||
392 | if (state->errmode != STATUS_BER) | |
393 | return 0; | |
394 | *ber = (stv0288_readreg(state, 0x26) << 8) | | |
395 | stv0288_readreg(state, 0x27); | |
396 | dprintk("stv0288_read_ber %d\n", *ber); | |
397 | ||
398 | return 0; | |
399 | } | |
400 | ||
401 | ||
402 | static int stv0288_read_signal_strength(struct dvb_frontend *fe, u16 *strength) | |
403 | { | |
404 | struct stv0288_state *state = fe->demodulator_priv; | |
405 | ||
406 | s32 signal = 0xffff - ((stv0288_readreg(state, 0x10) << 8)); | |
407 | ||
408 | ||
409 | signal = signal * 5 / 4; | |
410 | *strength = (signal > 0xffff) ? 0xffff : (signal < 0) ? 0 : signal; | |
411 | dprintk("stv0288_read_signal_strength %d\n", *strength); | |
412 | ||
413 | return 0; | |
414 | } | |
415 | static int stv0288_sleep(struct dvb_frontend *fe) | |
416 | { | |
417 | struct stv0288_state *state = fe->demodulator_priv; | |
418 | ||
419 | stv0288_writeregI(state, 0x41, 0x84); | |
420 | state->initialised = 0; | |
421 | ||
422 | return 0; | |
423 | } | |
424 | static int stv0288_read_snr(struct dvb_frontend *fe, u16 *snr) | |
425 | { | |
426 | struct stv0288_state *state = fe->demodulator_priv; | |
427 | ||
428 | s32 xsnr = 0xffff - ((stv0288_readreg(state, 0x2d) << 8) | |
429 | | stv0288_readreg(state, 0x2e)); | |
430 | xsnr = 3 * (xsnr - 0xa100); | |
431 | *snr = (xsnr > 0xffff) ? 0xffff : (xsnr < 0) ? 0 : xsnr; | |
432 | dprintk("stv0288_read_snr %d\n", *snr); | |
433 | ||
434 | return 0; | |
435 | } | |
436 | ||
437 | static int stv0288_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) | |
438 | { | |
439 | struct stv0288_state *state = fe->demodulator_priv; | |
440 | ||
441 | if (state->errmode != STATUS_BER) | |
442 | return 0; | |
443 | *ucblocks = (stv0288_readreg(state, 0x26) << 8) | | |
444 | stv0288_readreg(state, 0x27); | |
445 | dprintk("stv0288_read_ber %d\n", *ucblocks); | |
446 | ||
447 | return 0; | |
448 | } | |
449 | ||
450 | static int stv0288_set_property(struct dvb_frontend *fe, struct dtv_property *p) | |
451 | { | |
452 | dprintk("%s(..)\n", __func__); | |
453 | return 0; | |
454 | } | |
455 | ||
5c6b4e2b | 456 | static int stv0288_set_frontend(struct dvb_frontend *fe) |
e4aab64c IL |
457 | { |
458 | struct stv0288_state *state = fe->demodulator_priv; | |
459 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; | |
460 | ||
461 | char tm; | |
462 | unsigned char tda[3]; | |
59152b1c | 463 | u8 reg, time_out = 0; |
e4aab64c IL |
464 | |
465 | dprintk("%s : FE_SET_FRONTEND\n", __func__); | |
466 | ||
467 | if (c->delivery_system != SYS_DVBS) { | |
468 | dprintk("%s: unsupported delivery " | |
469 | "system selected (%d)\n", | |
470 | __func__, c->delivery_system); | |
471 | return -EOPNOTSUPP; | |
472 | } | |
473 | ||
474 | if (state->config->set_ts_params) | |
475 | state->config->set_ts_params(fe, 0); | |
476 | ||
477 | /* only frequency & symbol_rate are used for tuner*/ | |
e4aab64c | 478 | if (fe->ops.tuner_ops.set_params) { |
14d24d14 | 479 | fe->ops.tuner_ops.set_params(fe); |
e4aab64c IL |
480 | if (fe->ops.i2c_gate_ctrl) |
481 | fe->ops.i2c_gate_ctrl(fe, 0); | |
482 | } | |
483 | ||
484 | udelay(10); | |
485 | stv0288_set_symbolrate(fe, c->symbol_rate); | |
486 | /* Carrier lock control register */ | |
487 | stv0288_writeregI(state, 0x15, 0xc5); | |
488 | ||
e4aab64c | 489 | tda[2] = 0x0; /* CFRL */ |
59152b1c | 490 | for (tm = -9; tm < 7;) { |
e4aab64c | 491 | /* Viterbi status */ |
59152b1c | 492 | reg = stv0288_readreg(state, 0x24); |
493 | if (reg & 0x8) | |
494 | break; | |
495 | if (reg & 0x80) { | |
496 | time_out++; | |
497 | if (time_out > 10) | |
498 | break; | |
499 | tda[2] += 40; | |
500 | if (tda[2] < 40) | |
501 | tm++; | |
502 | } else { | |
e4aab64c | 503 | tm++; |
59152b1c | 504 | tda[2] = 0; |
505 | time_out = 0; | |
506 | } | |
e4aab64c IL |
507 | tda[1] = (unsigned char)tm; |
508 | stv0288_writeregI(state, 0x2b, tda[1]); | |
509 | stv0288_writeregI(state, 0x2c, tda[2]); | |
77768e4b | 510 | msleep(30); |
e4aab64c | 511 | } |
e4aab64c IL |
512 | state->tuner_frequency = c->frequency; |
513 | state->fec_inner = FEC_AUTO; | |
514 | state->symbol_rate = c->symbol_rate; | |
515 | ||
516 | return 0; | |
517 | } | |
518 | ||
519 | static int stv0288_i2c_gate_ctrl(struct dvb_frontend *fe, int enable) | |
520 | { | |
521 | struct stv0288_state *state = fe->demodulator_priv; | |
522 | ||
523 | if (enable) | |
524 | stv0288_writeregI(state, 0x01, 0xb5); | |
525 | else | |
526 | stv0288_writeregI(state, 0x01, 0x35); | |
527 | ||
528 | udelay(1); | |
529 | ||
530 | return 0; | |
531 | } | |
532 | ||
533 | static void stv0288_release(struct dvb_frontend *fe) | |
534 | { | |
535 | struct stv0288_state *state = fe->demodulator_priv; | |
536 | kfree(state); | |
537 | } | |
538 | ||
539 | static struct dvb_frontend_ops stv0288_ops = { | |
5c6b4e2b | 540 | .delsys = { SYS_DVBS }, |
e4aab64c IL |
541 | .info = { |
542 | .name = "ST STV0288 DVB-S", | |
e4aab64c IL |
543 | .frequency_min = 950000, |
544 | .frequency_max = 2150000, | |
545 | .frequency_stepsize = 1000, /* kHz for QPSK frontends */ | |
546 | .frequency_tolerance = 0, | |
547 | .symbol_rate_min = 1000000, | |
548 | .symbol_rate_max = 45000000, | |
549 | .symbol_rate_tolerance = 500, /* ppm */ | |
550 | .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | | |
551 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | | |
552 | FE_CAN_QPSK | | |
553 | FE_CAN_FEC_AUTO | |
554 | }, | |
555 | ||
556 | .release = stv0288_release, | |
557 | .init = stv0288_init, | |
558 | .sleep = stv0288_sleep, | |
559 | .write = stv0288_write, | |
560 | .i2c_gate_ctrl = stv0288_i2c_gate_ctrl, | |
561 | .read_status = stv0288_read_status, | |
562 | .read_ber = stv0288_read_ber, | |
563 | .read_signal_strength = stv0288_read_signal_strength, | |
564 | .read_snr = stv0288_read_snr, | |
565 | .read_ucblocks = stv0288_read_ucblocks, | |
566 | .diseqc_send_master_cmd = stv0288_send_diseqc_msg, | |
567 | .diseqc_send_burst = stv0288_send_diseqc_burst, | |
568 | .set_tone = stv0288_set_tone, | |
569 | .set_voltage = stv0288_set_voltage, | |
570 | ||
571 | .set_property = stv0288_set_property, | |
5c6b4e2b | 572 | .set_frontend = stv0288_set_frontend, |
e4aab64c IL |
573 | }; |
574 | ||
575 | struct dvb_frontend *stv0288_attach(const struct stv0288_config *config, | |
576 | struct i2c_adapter *i2c) | |
577 | { | |
578 | struct stv0288_state *state = NULL; | |
579 | int id; | |
580 | ||
581 | /* allocate memory for the internal state */ | |
084e24ac | 582 | state = kzalloc(sizeof(struct stv0288_state), GFP_KERNEL); |
e4aab64c IL |
583 | if (state == NULL) |
584 | goto error; | |
585 | ||
586 | /* setup the state */ | |
587 | state->config = config; | |
588 | state->i2c = i2c; | |
589 | state->initialised = 0; | |
590 | state->tuner_frequency = 0; | |
591 | state->symbol_rate = 0; | |
592 | state->fec_inner = 0; | |
593 | state->errmode = STATUS_BER; | |
594 | ||
595 | stv0288_writeregI(state, 0x41, 0x04); | |
596 | msleep(200); | |
597 | id = stv0288_readreg(state, 0x00); | |
598 | dprintk("stv0288 id %x\n", id); | |
599 | ||
600 | /* register 0x00 contains 0x11 for STV0288 */ | |
601 | if (id != 0x11) | |
602 | goto error; | |
603 | ||
604 | /* create dvb_frontend */ | |
605 | memcpy(&state->frontend.ops, &stv0288_ops, | |
606 | sizeof(struct dvb_frontend_ops)); | |
607 | state->frontend.demodulator_priv = state; | |
608 | return &state->frontend; | |
609 | ||
610 | error: | |
611 | kfree(state); | |
612 | ||
613 | return NULL; | |
614 | } | |
615 | EXPORT_SYMBOL(stv0288_attach); | |
616 | ||
617 | module_param(debug_legacy_dish_switch, int, 0444); | |
618 | MODULE_PARM_DESC(debug_legacy_dish_switch, | |
619 | "Enable timing analysis for Dish Network legacy switches"); | |
620 | ||
621 | module_param(debug, int, 0644); | |
622 | MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off)."); | |
623 | ||
624 | MODULE_DESCRIPTION("ST STV0288 DVB Demodulator driver"); | |
625 | MODULE_AUTHOR("Georg Acher, Bob Liu, Igor liplianin"); | |
626 | MODULE_LICENSE("GPL"); | |
627 |