Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | Driver for ST STV0299 demodulator | |
3 | ||
4 | Copyright (C) 2001-2002 Convergence Integrated Media GmbH | |
5 | <ralph@convergence.de>, | |
6 | <holger@convergence.de>, | |
7 | <js@convergence.de> | |
8 | ||
9 | ||
10 | Philips SU1278/SH | |
11 | ||
12 | Copyright (C) 2002 by Peter Schildmann <peter.schildmann@web.de> | |
13 | ||
14 | ||
15 | LG TDQF-S001F | |
16 | ||
17 | Copyright (C) 2002 Felix Domke <tmbinc@elitedvb.net> | |
18 | & Andreas Oberritter <obi@linuxtv.org> | |
19 | ||
20 | ||
21 | Support for Samsung TBMU24112IMB used on Technisat SkyStar2 rev. 2.6B | |
22 | ||
23 | Copyright (C) 2003 Vadim Catana <skystar@moldova.cc>: | |
24 | ||
25 | Support for Philips SU1278 on Technotrend hardware | |
26 | ||
27 | Copyright (C) 2004 Andrew de Quincey <adq_dvb@lidskialf.net> | |
28 | ||
29 | This program is free software; you can redistribute it and/or modify | |
30 | it under the terms of the GNU General Public License as published by | |
31 | the Free Software Foundation; either version 2 of the License, or | |
32 | (at your option) any later version. | |
33 | ||
34 | This program is distributed in the hope that it will be useful, | |
35 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
36 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
37 | GNU General Public License for more details. | |
38 | ||
39 | You should have received a copy of the GNU General Public License | |
40 | along with this program; if not, write to the Free Software | |
41 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
42 | ||
43 | */ | |
44 | ||
45 | #include <linux/init.h> | |
46 | #include <linux/kernel.h> | |
47 | #include <linux/module.h> | |
1da177e4 LT |
48 | #include <linux/string.h> |
49 | #include <linux/slab.h> | |
4e57b681 | 50 | #include <linux/jiffies.h> |
1da177e4 LT |
51 | #include <asm/div64.h> |
52 | ||
53 | #include "dvb_frontend.h" | |
54 | #include "stv0299.h" | |
55 | ||
56 | struct stv0299_state { | |
57 | struct i2c_adapter* i2c; | |
1da177e4 LT |
58 | const struct stv0299_config* config; |
59 | struct dvb_frontend frontend; | |
60 | ||
61 | u8 initialised:1; | |
62 | u32 tuner_frequency; | |
63 | u32 symbol_rate; | |
64 | fe_code_rate_t fec_inner; | |
37650221 | 65 | int errmode; |
1da177e4 LT |
66 | }; |
67 | ||
37650221 AQ |
68 | #define STATUS_BER 0 |
69 | #define STATUS_UCBLOCKS 1 | |
70 | ||
1da177e4 | 71 | static int debug; |
591ad98d | 72 | static int debug_legacy_dish_switch; |
1da177e4 LT |
73 | #define dprintk(args...) \ |
74 | do { \ | |
75 | if (debug) printk(KERN_DEBUG "stv0299: " args); \ | |
76 | } while (0) | |
77 | ||
78 | ||
79 | static int stv0299_writeregI (struct stv0299_state* state, u8 reg, u8 data) | |
80 | { | |
81 | int ret; | |
82 | u8 buf [] = { reg, data }; | |
83 | struct i2c_msg msg = { .addr = state->config->demod_address, .flags = 0, .buf = buf, .len = 2 }; | |
84 | ||
85 | ret = i2c_transfer (state->i2c, &msg, 1); | |
86 | ||
87 | if (ret != 1) | |
88 | dprintk("%s: writereg error (reg == 0x%02x, val == 0x%02x, " | |
271ddbf7 | 89 | "ret == %i)\n", __func__, reg, data, ret); |
1da177e4 LT |
90 | |
91 | return (ret != 1) ? -EREMOTEIO : 0; | |
92 | } | |
93 | ||
34630409 | 94 | static int stv0299_write(struct dvb_frontend* fe, u8 *buf, int len) |
1da177e4 | 95 | { |
9101e622 | 96 | struct stv0299_state* state = fe->demodulator_priv; |
1da177e4 | 97 | |
c10d14d6 AQ |
98 | if (len != 2) |
99 | return -EINVAL; | |
100 | ||
101 | return stv0299_writeregI(state, buf[0], buf[1]); | |
1da177e4 LT |
102 | } |
103 | ||
104 | static u8 stv0299_readreg (struct stv0299_state* state, u8 reg) | |
105 | { | |
106 | int ret; | |
107 | u8 b0 [] = { reg }; | |
108 | u8 b1 [] = { 0 }; | |
109 | struct i2c_msg msg [] = { { .addr = state->config->demod_address, .flags = 0, .buf = b0, .len = 1 }, | |
110 | { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b1, .len = 1 } }; | |
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", | |
271ddbf7 | 116 | __func__, reg, ret); |
1da177e4 LT |
117 | |
118 | return b1[0]; | |
119 | } | |
120 | ||
121 | static int stv0299_readregs (struct stv0299_state* state, u8 reg1, u8 *b, u8 len) | |
122 | { | |
123 | int ret; | |
124 | struct i2c_msg msg [] = { { .addr = state->config->demod_address, .flags = 0, .buf = ®1, .len = 1 }, | |
125 | { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b, .len = len } }; | |
126 | ||
127 | ret = i2c_transfer (state->i2c, msg, 2); | |
128 | ||
129 | if (ret != 2) | |
271ddbf7 | 130 | dprintk("%s: readreg error (ret == %i)\n", __func__, ret); |
1da177e4 LT |
131 | |
132 | return ret == 2 ? 0 : ret; | |
133 | } | |
134 | ||
135 | static int stv0299_set_FEC (struct stv0299_state* state, fe_code_rate_t fec) | |
136 | { | |
271ddbf7 | 137 | dprintk ("%s\n", __func__); |
1da177e4 LT |
138 | |
139 | switch (fec) { | |
140 | case FEC_AUTO: | |
141 | { | |
142 | return stv0299_writeregI (state, 0x31, 0x1f); | |
143 | } | |
144 | case FEC_1_2: | |
145 | { | |
146 | return stv0299_writeregI (state, 0x31, 0x01); | |
147 | } | |
148 | case FEC_2_3: | |
149 | { | |
150 | return stv0299_writeregI (state, 0x31, 0x02); | |
151 | } | |
152 | case FEC_3_4: | |
153 | { | |
154 | return stv0299_writeregI (state, 0x31, 0x04); | |
155 | } | |
156 | case FEC_5_6: | |
157 | { | |
158 | return stv0299_writeregI (state, 0x31, 0x08); | |
159 | } | |
160 | case FEC_7_8: | |
161 | { | |
162 | return stv0299_writeregI (state, 0x31, 0x10); | |
163 | } | |
164 | default: | |
165 | { | |
166 | return -EINVAL; | |
167 | } | |
168 | } | |
169 | } | |
170 | ||
171 | static fe_code_rate_t stv0299_get_fec (struct stv0299_state* state) | |
172 | { | |
173 | static fe_code_rate_t fec_tab [] = { FEC_2_3, FEC_3_4, FEC_5_6, | |
174 | FEC_7_8, FEC_1_2 }; | |
175 | u8 index; | |
176 | ||
271ddbf7 | 177 | dprintk ("%s\n", __func__); |
1da177e4 LT |
178 | |
179 | index = stv0299_readreg (state, 0x1b); | |
180 | index &= 0x7; | |
181 | ||
182 | if (index > 4) | |
183 | return FEC_AUTO; | |
184 | ||
185 | return fec_tab [index]; | |
186 | } | |
187 | ||
188 | static int stv0299_wait_diseqc_fifo (struct stv0299_state* state, int timeout) | |
189 | { | |
190 | unsigned long start = jiffies; | |
191 | ||
271ddbf7 | 192 | dprintk ("%s\n", __func__); |
1da177e4 LT |
193 | |
194 | while (stv0299_readreg(state, 0x0a) & 1) { | |
195 | if (jiffies - start > timeout) { | |
271ddbf7 | 196 | dprintk ("%s: timeout!!\n", __func__); |
1da177e4 LT |
197 | return -ETIMEDOUT; |
198 | } | |
199 | msleep(10); | |
200 | }; | |
201 | ||
202 | return 0; | |
203 | } | |
204 | ||
205 | static int stv0299_wait_diseqc_idle (struct stv0299_state* state, int timeout) | |
206 | { | |
207 | unsigned long start = jiffies; | |
208 | ||
271ddbf7 | 209 | dprintk ("%s\n", __func__); |
1da177e4 LT |
210 | |
211 | while ((stv0299_readreg(state, 0x0a) & 3) != 2 ) { | |
212 | if (jiffies - start > timeout) { | |
271ddbf7 | 213 | dprintk ("%s: timeout!!\n", __func__); |
1da177e4 LT |
214 | return -ETIMEDOUT; |
215 | } | |
216 | msleep(10); | |
217 | }; | |
218 | ||
219 | return 0; | |
220 | } | |
221 | ||
222 | static int stv0299_set_symbolrate (struct dvb_frontend* fe, u32 srate) | |
223 | { | |
9101e622 | 224 | struct stv0299_state* state = fe->demodulator_priv; |
1da177e4 LT |
225 | u64 big = srate; |
226 | u32 ratio; | |
227 | ||
228 | // check rate is within limits | |
229 | if ((srate < 1000000) || (srate > 45000000)) return -EINVAL; | |
230 | ||
231 | // calculate value to program | |
232 | big = big << 20; | |
233 | big += (state->config->mclk-1); // round correctly | |
234 | do_div(big, state->config->mclk); | |
235 | ratio = big << 4; | |
236 | ||
237 | return state->config->set_symbol_rate(fe, srate, ratio); | |
238 | } | |
239 | ||
240 | static int stv0299_get_symbolrate (struct stv0299_state* state) | |
241 | { | |
242 | u32 Mclk = state->config->mclk / 4096L; | |
243 | u32 srate; | |
244 | s32 offset; | |
245 | u8 sfr[3]; | |
246 | s8 rtf; | |
247 | ||
271ddbf7 | 248 | dprintk ("%s\n", __func__); |
1da177e4 LT |
249 | |
250 | stv0299_readregs (state, 0x1f, sfr, 3); | |
0402a6c2 | 251 | stv0299_readregs (state, 0x1a, (u8 *)&rtf, 1); |
1da177e4 LT |
252 | |
253 | srate = (sfr[0] << 8) | sfr[1]; | |
254 | srate *= Mclk; | |
255 | srate /= 16; | |
256 | srate += (sfr[2] >> 4) * Mclk / 256; | |
257 | offset = (s32) rtf * (srate / 4096L); | |
258 | offset /= 128; | |
259 | ||
271ddbf7 HH |
260 | dprintk ("%s : srate = %i\n", __func__, srate); |
261 | dprintk ("%s : ofset = %i\n", __func__, offset); | |
1da177e4 LT |
262 | |
263 | srate += offset; | |
264 | ||
265 | srate += 1000; | |
266 | srate /= 2000; | |
267 | srate *= 2000; | |
268 | ||
269 | return srate; | |
270 | } | |
271 | ||
272 | static int stv0299_send_diseqc_msg (struct dvb_frontend* fe, | |
273 | struct dvb_diseqc_master_cmd *m) | |
274 | { | |
9101e622 | 275 | struct stv0299_state* state = fe->demodulator_priv; |
1da177e4 LT |
276 | u8 val; |
277 | int i; | |
278 | ||
271ddbf7 | 279 | dprintk ("%s\n", __func__); |
1da177e4 LT |
280 | |
281 | if (stv0299_wait_diseqc_idle (state, 100) < 0) | |
282 | return -ETIMEDOUT; | |
283 | ||
284 | val = stv0299_readreg (state, 0x08); | |
285 | ||
286 | if (stv0299_writeregI (state, 0x08, (val & ~0x7) | 0x6)) /* DiSEqC mode */ | |
287 | return -EREMOTEIO; | |
288 | ||
289 | for (i=0; i<m->msg_len; i++) { | |
290 | if (stv0299_wait_diseqc_fifo (state, 100) < 0) | |
291 | return -ETIMEDOUT; | |
292 | ||
293 | if (stv0299_writeregI (state, 0x09, m->msg[i])) | |
294 | return -EREMOTEIO; | |
295 | } | |
296 | ||
297 | if (stv0299_wait_diseqc_idle (state, 100) < 0) | |
298 | return -ETIMEDOUT; | |
299 | ||
300 | return 0; | |
301 | } | |
302 | ||
303 | static int stv0299_send_diseqc_burst (struct dvb_frontend* fe, fe_sec_mini_cmd_t burst) | |
304 | { | |
9101e622 | 305 | struct stv0299_state* state = fe->demodulator_priv; |
1da177e4 LT |
306 | u8 val; |
307 | ||
271ddbf7 | 308 | dprintk ("%s\n", __func__); |
1da177e4 LT |
309 | |
310 | if (stv0299_wait_diseqc_idle (state, 100) < 0) | |
311 | return -ETIMEDOUT; | |
312 | ||
313 | val = stv0299_readreg (state, 0x08); | |
314 | ||
315 | if (stv0299_writeregI (state, 0x08, (val & ~0x7) | 0x2)) /* burst mode */ | |
316 | return -EREMOTEIO; | |
317 | ||
318 | if (stv0299_writeregI (state, 0x09, burst == SEC_MINI_A ? 0x00 : 0xff)) | |
319 | return -EREMOTEIO; | |
320 | ||
321 | if (stv0299_wait_diseqc_idle (state, 100) < 0) | |
322 | return -ETIMEDOUT; | |
323 | ||
324 | if (stv0299_writeregI (state, 0x08, val)) | |
325 | return -EREMOTEIO; | |
326 | ||
327 | return 0; | |
328 | } | |
329 | ||
330 | static int stv0299_set_tone (struct dvb_frontend* fe, fe_sec_tone_mode_t tone) | |
331 | { | |
9101e622 | 332 | struct stv0299_state* state = fe->demodulator_priv; |
1da177e4 LT |
333 | u8 val; |
334 | ||
335 | if (stv0299_wait_diseqc_idle (state, 100) < 0) | |
336 | return -ETIMEDOUT; | |
337 | ||
338 | val = stv0299_readreg (state, 0x08); | |
339 | ||
340 | switch (tone) { | |
341 | case SEC_TONE_ON: | |
342 | return stv0299_writeregI (state, 0x08, val | 0x3); | |
343 | ||
344 | case SEC_TONE_OFF: | |
345 | return stv0299_writeregI (state, 0x08, (val & ~0x3) | 0x02); | |
346 | ||
347 | default: | |
348 | return -EINVAL; | |
349 | } | |
350 | } | |
351 | ||
352 | static int stv0299_set_voltage (struct dvb_frontend* fe, fe_sec_voltage_t voltage) | |
353 | { | |
9101e622 | 354 | struct stv0299_state* state = fe->demodulator_priv; |
1da177e4 LT |
355 | u8 reg0x08; |
356 | u8 reg0x0c; | |
357 | ||
271ddbf7 | 358 | dprintk("%s: %s\n", __func__, |
1da177e4 LT |
359 | voltage == SEC_VOLTAGE_13 ? "SEC_VOLTAGE_13" : |
360 | voltage == SEC_VOLTAGE_18 ? "SEC_VOLTAGE_18" : "??"); | |
361 | ||
362 | reg0x08 = stv0299_readreg (state, 0x08); | |
363 | reg0x0c = stv0299_readreg (state, 0x0c); | |
364 | ||
365 | /** | |
366 | * H/V switching over OP0, OP1 and OP2 are LNB power enable bits | |
367 | */ | |
368 | reg0x0c &= 0x0f; | |
e84b133e | 369 | reg0x08 = (reg0x08 & 0x3f) | (state->config->lock_output << 6); |
1da177e4 LT |
370 | |
371 | switch (voltage) { | |
372 | case SEC_VOLTAGE_13: | |
e84b133e OE |
373 | if (state->config->volt13_op0_op1 == STV0299_VOLT13_OP0) |
374 | reg0x0c |= 0x10; /* OP1 off, OP0 on */ | |
375 | else | |
376 | reg0x0c |= 0x40; /* OP1 on, OP0 off */ | |
377 | break; | |
1da177e4 | 378 | case SEC_VOLTAGE_18: |
e84b133e OE |
379 | reg0x0c |= 0x50; /* OP1 on, OP0 on */ |
380 | break; | |
381 | case SEC_VOLTAGE_OFF: | |
382 | /* LNB power off! */ | |
383 | reg0x08 = 0x00; | |
384 | reg0x0c = 0x00; | |
385 | break; | |
1da177e4 LT |
386 | default: |
387 | return -EINVAL; | |
388 | }; | |
e84b133e OE |
389 | |
390 | if (state->config->op0_off) | |
391 | reg0x0c &= ~0x10; | |
392 | ||
393 | stv0299_writeregI(state, 0x08, reg0x08); | |
394 | return stv0299_writeregI(state, 0x0c, reg0x0c); | |
1da177e4 LT |
395 | } |
396 | ||
400b7083 | 397 | static int stv0299_send_legacy_dish_cmd (struct dvb_frontend* fe, unsigned long cmd) |
591ad98d JS |
398 | { |
399 | struct stv0299_state* state = fe->demodulator_priv; | |
400 | u8 reg0x08; | |
401 | u8 reg0x0c; | |
402 | u8 lv_mask = 0x40; | |
1da177e4 LT |
403 | u8 last = 1; |
404 | int i; | |
591ad98d JS |
405 | struct timeval nexttime; |
406 | struct timeval tv[10]; | |
1da177e4 | 407 | |
591ad98d JS |
408 | reg0x08 = stv0299_readreg (state, 0x08); |
409 | reg0x0c = stv0299_readreg (state, 0x0c); | |
410 | reg0x0c &= 0x0f; | |
411 | stv0299_writeregI (state, 0x08, (reg0x08 & 0x3f) | (state->config->lock_output << 6)); | |
412 | if (state->config->volt13_op0_op1 == STV0299_VOLT13_OP0) | |
413 | lv_mask = 0x10; | |
1da177e4 LT |
414 | |
415 | cmd = cmd << 1; | |
591ad98d | 416 | if (debug_legacy_dish_switch) |
271ddbf7 | 417 | printk ("%s switch command: 0x%04lx\n",__func__, cmd); |
591ad98d JS |
418 | |
419 | do_gettimeofday (&nexttime); | |
420 | if (debug_legacy_dish_switch) | |
421 | memcpy (&tv[0], &nexttime, sizeof (struct timeval)); | |
422 | stv0299_writeregI (state, 0x0c, reg0x0c | 0x50); /* set LNB to 18V */ | |
1da177e4 | 423 | |
83b75b04 | 424 | dvb_frontend_sleep_until(&nexttime, 32000); |
1da177e4 LT |
425 | |
426 | for (i=0; i<9; i++) { | |
591ad98d JS |
427 | if (debug_legacy_dish_switch) |
428 | do_gettimeofday (&tv[i+1]); | |
1da177e4 | 429 | if((cmd & 0x01) != last) { |
591ad98d JS |
430 | /* set voltage to (last ? 13V : 18V) */ |
431 | stv0299_writeregI (state, 0x0c, reg0x0c | (last ? lv_mask : 0x50)); | |
1da177e4 LT |
432 | last = (last) ? 0 : 1; |
433 | } | |
434 | ||
435 | cmd = cmd >> 1; | |
436 | ||
437 | if (i != 8) | |
83b75b04 | 438 | dvb_frontend_sleep_until(&nexttime, 8000); |
591ad98d JS |
439 | } |
440 | if (debug_legacy_dish_switch) { | |
441 | printk ("%s(%d): switch delay (should be 32k followed by all 8k\n", | |
271ddbf7 | 442 | __func__, fe->dvb->num); |
83b75b04 N |
443 | for (i = 1; i < 10; i++) |
444 | printk ("%d: %d\n", i, timeval_usec_diff(tv[i-1] , tv[i])); | |
1da177e4 LT |
445 | } |
446 | ||
447 | return 0; | |
448 | } | |
449 | ||
450 | static int stv0299_init (struct dvb_frontend* fe) | |
451 | { | |
9101e622 | 452 | struct stv0299_state* state = fe->demodulator_priv; |
1da177e4 | 453 | int i; |
e84b133e OE |
454 | u8 reg; |
455 | u8 val; | |
1da177e4 LT |
456 | |
457 | dprintk("stv0299: init chip\n"); | |
458 | ||
e84b133e OE |
459 | for (i = 0; ; i += 2) { |
460 | reg = state->config->inittab[i]; | |
461 | val = state->config->inittab[i+1]; | |
462 | if (reg == 0xff && val == 0xff) | |
463 | break; | |
464 | if (reg == 0x0c && state->config->op0_off) | |
465 | val &= ~0x10; | |
466 | stv0299_writeregI(state, reg, val); | |
467 | } | |
1da177e4 | 468 | |
1da177e4 LT |
469 | return 0; |
470 | } | |
471 | ||
472 | static int stv0299_read_status(struct dvb_frontend* fe, fe_status_t* status) | |
473 | { | |
9101e622 | 474 | struct stv0299_state* state = fe->demodulator_priv; |
1da177e4 LT |
475 | |
476 | u8 signal = 0xff - stv0299_readreg (state, 0x18); | |
477 | u8 sync = stv0299_readreg (state, 0x1b); | |
478 | ||
271ddbf7 | 479 | dprintk ("%s : FE_READ_STATUS : VSTATUS: 0x%02x\n", __func__, sync); |
1da177e4 LT |
480 | *status = 0; |
481 | ||
482 | if (signal > 10) | |
483 | *status |= FE_HAS_SIGNAL; | |
484 | ||
485 | if (sync & 0x80) | |
486 | *status |= FE_HAS_CARRIER; | |
487 | ||
488 | if (sync & 0x10) | |
489 | *status |= FE_HAS_VITERBI; | |
490 | ||
491 | if (sync & 0x08) | |
492 | *status |= FE_HAS_SYNC; | |
493 | ||
494 | if ((sync & 0x98) == 0x98) | |
495 | *status |= FE_HAS_LOCK; | |
496 | ||
497 | return 0; | |
498 | } | |
499 | ||
500 | static int stv0299_read_ber(struct dvb_frontend* fe, u32* ber) | |
501 | { | |
9101e622 | 502 | struct stv0299_state* state = fe->demodulator_priv; |
1da177e4 | 503 | |
37650221 | 504 | if (state->errmode != STATUS_BER) return 0; |
1da177e4 LT |
505 | *ber = (stv0299_readreg (state, 0x1d) << 8) | stv0299_readreg (state, 0x1e); |
506 | ||
507 | return 0; | |
508 | } | |
509 | ||
510 | static int stv0299_read_signal_strength(struct dvb_frontend* fe, u16* strength) | |
511 | { | |
9101e622 | 512 | struct stv0299_state* state = fe->demodulator_priv; |
1da177e4 LT |
513 | |
514 | s32 signal = 0xffff - ((stv0299_readreg (state, 0x18) << 8) | |
515 | | stv0299_readreg (state, 0x19)); | |
516 | ||
271ddbf7 | 517 | dprintk ("%s : FE_READ_SIGNAL_STRENGTH : AGC2I: 0x%02x%02x, signal=0x%04x\n", __func__, |
1da177e4 LT |
518 | stv0299_readreg (state, 0x18), |
519 | stv0299_readreg (state, 0x19), (int) signal); | |
520 | ||
521 | signal = signal * 5 / 4; | |
522 | *strength = (signal > 0xffff) ? 0xffff : (signal < 0) ? 0 : signal; | |
523 | ||
524 | return 0; | |
525 | } | |
526 | ||
527 | static int stv0299_read_snr(struct dvb_frontend* fe, u16* snr) | |
528 | { | |
9101e622 | 529 | struct stv0299_state* state = fe->demodulator_priv; |
1da177e4 LT |
530 | |
531 | s32 xsnr = 0xffff - ((stv0299_readreg (state, 0x24) << 8) | |
532 | | stv0299_readreg (state, 0x25)); | |
533 | xsnr = 3 * (xsnr - 0xa100); | |
534 | *snr = (xsnr > 0xffff) ? 0xffff : (xsnr < 0) ? 0 : xsnr; | |
535 | ||
536 | return 0; | |
537 | } | |
538 | ||
539 | static int stv0299_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) | |
540 | { | |
9101e622 | 541 | struct stv0299_state* state = fe->demodulator_priv; |
1da177e4 | 542 | |
37650221 AQ |
543 | if (state->errmode != STATUS_UCBLOCKS) *ucblocks = 0; |
544 | else *ucblocks = (stv0299_readreg (state, 0x1d) << 8) | stv0299_readreg (state, 0x1e); | |
1da177e4 LT |
545 | |
546 | return 0; | |
547 | } | |
548 | ||
549 | static int stv0299_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters * p) | |
550 | { | |
9101e622 | 551 | struct stv0299_state* state = fe->demodulator_priv; |
1da177e4 LT |
552 | int invval = 0; |
553 | ||
271ddbf7 | 554 | dprintk ("%s : FE_SET_FRONTEND\n", __func__); |
1da177e4 LT |
555 | |
556 | // set the inversion | |
557 | if (p->inversion == INVERSION_OFF) invval = 0; | |
558 | else if (p->inversion == INVERSION_ON) invval = 1; | |
559 | else { | |
560 | printk("stv0299 does not support auto-inversion\n"); | |
561 | return -EINVAL; | |
562 | } | |
563 | if (state->config->invert) invval = (~invval) & 1; | |
564 | stv0299_writeregI(state, 0x0c, (stv0299_readreg(state, 0x0c) & 0xfe) | invval); | |
565 | ||
dea74869 PB |
566 | if (fe->ops.tuner_ops.set_params) { |
567 | fe->ops.tuner_ops.set_params(fe, p); | |
568 | if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0); | |
53a8ee3e | 569 | } |
3528cc4e AQ |
570 | |
571 | stv0299_set_FEC (state, p->u.qpsk.fec_inner); | |
572 | stv0299_set_symbolrate (fe, p->u.qpsk.symbol_rate); | |
573 | stv0299_writeregI(state, 0x22, 0x00); | |
574 | stv0299_writeregI(state, 0x23, 0x00); | |
1da177e4 LT |
575 | |
576 | state->tuner_frequency = p->frequency; | |
577 | state->fec_inner = p->u.qpsk.fec_inner; | |
578 | state->symbol_rate = p->u.qpsk.symbol_rate; | |
579 | ||
580 | return 0; | |
581 | } | |
582 | ||
583 | static int stv0299_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters * p) | |
584 | { | |
9101e622 | 585 | struct stv0299_state* state = fe->demodulator_priv; |
1da177e4 LT |
586 | s32 derot_freq; |
587 | int invval; | |
588 | ||
589 | derot_freq = (s32)(s16) ((stv0299_readreg (state, 0x22) << 8) | |
590 | | stv0299_readreg (state, 0x23)); | |
591 | ||
592 | derot_freq *= (state->config->mclk >> 16); | |
593 | derot_freq += 500; | |
594 | derot_freq /= 1000; | |
595 | ||
596 | p->frequency += derot_freq; | |
597 | ||
598 | invval = stv0299_readreg (state, 0x0c) & 1; | |
599 | if (state->config->invert) invval = (~invval) & 1; | |
600 | p->inversion = invval ? INVERSION_ON : INVERSION_OFF; | |
601 | ||
602 | p->u.qpsk.fec_inner = stv0299_get_fec (state); | |
603 | p->u.qpsk.symbol_rate = stv0299_get_symbolrate (state); | |
604 | ||
605 | return 0; | |
606 | } | |
607 | ||
608 | static int stv0299_sleep(struct dvb_frontend* fe) | |
609 | { | |
9101e622 | 610 | struct stv0299_state* state = fe->demodulator_priv; |
1da177e4 LT |
611 | |
612 | stv0299_writeregI(state, 0x02, 0x80); | |
613 | state->initialised = 0; | |
614 | ||
615 | return 0; | |
616 | } | |
617 | ||
53a8ee3e AQ |
618 | static int stv0299_i2c_gate_ctrl(struct dvb_frontend* fe, int enable) |
619 | { | |
620 | struct stv0299_state* state = fe->demodulator_priv; | |
621 | ||
622 | if (enable) { | |
a9686e0d | 623 | stv0299_writeregI(state, 0x05, 0xb5); |
53a8ee3e | 624 | } else { |
a9686e0d | 625 | stv0299_writeregI(state, 0x05, 0x35); |
53a8ee3e | 626 | } |
a9686e0d AQ |
627 | udelay(1); |
628 | return 0; | |
53a8ee3e AQ |
629 | } |
630 | ||
1da177e4 LT |
631 | static int stv0299_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fesettings) |
632 | { | |
9101e622 | 633 | struct stv0299_state* state = fe->demodulator_priv; |
1da177e4 LT |
634 | |
635 | fesettings->min_delay_ms = state->config->min_delay_ms; | |
636 | if (fesettings->parameters.u.qpsk.symbol_rate < 10000000) { | |
637 | fesettings->step_size = fesettings->parameters.u.qpsk.symbol_rate / 32000; | |
638 | fesettings->max_drift = 5000; | |
639 | } else { | |
640 | fesettings->step_size = fesettings->parameters.u.qpsk.symbol_rate / 16000; | |
641 | fesettings->max_drift = fesettings->parameters.u.qpsk.symbol_rate / 2000; | |
642 | } | |
643 | return 0; | |
644 | } | |
645 | ||
646 | static void stv0299_release(struct dvb_frontend* fe) | |
647 | { | |
b8742700 | 648 | struct stv0299_state* state = fe->demodulator_priv; |
1da177e4 LT |
649 | kfree(state); |
650 | } | |
651 | ||
652 | static struct dvb_frontend_ops stv0299_ops; | |
653 | ||
654 | struct dvb_frontend* stv0299_attach(const struct stv0299_config* config, | |
655 | struct i2c_adapter* i2c) | |
656 | { | |
657 | struct stv0299_state* state = NULL; | |
658 | int id; | |
659 | ||
660 | /* allocate memory for the internal state */ | |
b8742700 | 661 | state = kmalloc(sizeof(struct stv0299_state), GFP_KERNEL); |
1da177e4 LT |
662 | if (state == NULL) goto error; |
663 | ||
664 | /* setup the state */ | |
665 | state->config = config; | |
666 | state->i2c = i2c; | |
1da177e4 LT |
667 | state->initialised = 0; |
668 | state->tuner_frequency = 0; | |
669 | state->symbol_rate = 0; | |
670 | state->fec_inner = 0; | |
37650221 | 671 | state->errmode = STATUS_BER; |
1da177e4 LT |
672 | |
673 | /* check if the demod is there */ | |
674 | stv0299_writeregI(state, 0x02, 0x34); /* standby off */ | |
675 | msleep(200); | |
676 | id = stv0299_readreg(state, 0x00); | |
677 | ||
678 | /* register 0x00 contains 0xa1 for STV0299 and STV0299B */ | |
679 | /* register 0x00 might contain 0x80 when returning from standby */ | |
680 | if (id != 0xa1 && id != 0x80) goto error; | |
681 | ||
682 | /* create dvb_frontend */ | |
dea74869 | 683 | memcpy(&state->frontend.ops, &stv0299_ops, sizeof(struct dvb_frontend_ops)); |
9101e622 | 684 | state->frontend.demodulator_priv = state; |
1da177e4 LT |
685 | return &state->frontend; |
686 | ||
687 | error: | |
688 | kfree(state); | |
689 | return NULL; | |
690 | } | |
691 | ||
692 | static struct dvb_frontend_ops stv0299_ops = { | |
693 | ||
694 | .info = { | |
695 | .name = "ST STV0299 DVB-S", | |
696 | .type = FE_QPSK, | |
697 | .frequency_min = 950000, | |
698 | .frequency_max = 2150000, | |
699 | .frequency_stepsize = 125, /* kHz for QPSK frontends */ | |
700 | .frequency_tolerance = 0, | |
701 | .symbol_rate_min = 1000000, | |
702 | .symbol_rate_max = 45000000, | |
703 | .symbol_rate_tolerance = 500, /* ppm */ | |
704 | .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | | |
705 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | | |
706 | FE_CAN_QPSK | | |
707 | FE_CAN_FEC_AUTO | |
708 | }, | |
709 | ||
710 | .release = stv0299_release, | |
711 | ||
712 | .init = stv0299_init, | |
713 | .sleep = stv0299_sleep, | |
c10d14d6 | 714 | .write = stv0299_write, |
53a8ee3e | 715 | .i2c_gate_ctrl = stv0299_i2c_gate_ctrl, |
1da177e4 LT |
716 | |
717 | .set_frontend = stv0299_set_frontend, | |
718 | .get_frontend = stv0299_get_frontend, | |
719 | .get_tune_settings = stv0299_get_tune_settings, | |
720 | ||
721 | .read_status = stv0299_read_status, | |
722 | .read_ber = stv0299_read_ber, | |
723 | .read_signal_strength = stv0299_read_signal_strength, | |
724 | .read_snr = stv0299_read_snr, | |
725 | .read_ucblocks = stv0299_read_ucblocks, | |
726 | ||
727 | .diseqc_send_master_cmd = stv0299_send_diseqc_msg, | |
728 | .diseqc_send_burst = stv0299_send_diseqc_burst, | |
729 | .set_tone = stv0299_set_tone, | |
730 | .set_voltage = stv0299_set_voltage, | |
731 | .dishnetwork_send_legacy_command = stv0299_send_legacy_dish_cmd, | |
732 | }; | |
733 | ||
591ad98d JS |
734 | module_param(debug_legacy_dish_switch, int, 0444); |
735 | MODULE_PARM_DESC(debug_legacy_dish_switch, "Enable timing analysis for Dish Network legacy switches"); | |
736 | ||
1da177e4 LT |
737 | module_param(debug, int, 0644); |
738 | MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off)."); | |
739 | ||
740 | MODULE_DESCRIPTION("ST STV0299 DVB Demodulator driver"); | |
741 | MODULE_AUTHOR("Ralph Metzler, Holger Waechtler, Peter Schildmann, Felix Domke, " | |
53a8ee3e | 742 | "Andreas Oberritter, Andrew de Quincey, Kenneth Aafly"); |
1da177e4 LT |
743 | MODULE_LICENSE("GPL"); |
744 | ||
1da177e4 | 745 | EXPORT_SYMBOL(stv0299_attach); |