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15#include <linux/slab.h>
16#include <linux/kernel.h>
17#include <linux/module.h>
18#include <linux/moduleparam.h>
19#include <linux/init.h>
20#include <linux/firmware.h>
21
22#include "tuner-i2c.h"
23#include <media/dvb_frontend.h>
24#include "cx24117.h"
25
26
27#define CX24117_DEFAULT_FIRMWARE "dvb-fe-cx24117.fw"
28#define CX24117_SEARCH_RANGE_KHZ 5000
29
30
31#define CX24117_REG_COMMAND (0x00)
32#define CX24117_REG_EXECUTE (0x1f)
33
34#define CX24117_REG_FREQ3_0 (0x34)
35#define CX24117_REG_FREQ2_0 (0x35)
36#define CX24117_REG_FREQ1_0 (0x36)
37#define CX24117_REG_STATE0 (0x39)
38#define CX24117_REG_SSTATUS0 (0x3a)
39#define CX24117_REG_SIGNAL0 (0x3b)
40#define CX24117_REG_FREQ5_0 (0x3c)
41#define CX24117_REG_FREQ6_0 (0x3d)
42#define CX24117_REG_SRATE2_0 (0x3e)
43#define CX24117_REG_SRATE1_0 (0x3f)
44#define CX24117_REG_QUALITY2_0 (0x40)
45#define CX24117_REG_QUALITY1_0 (0x41)
46
47#define CX24117_REG_BER4_0 (0x47)
48#define CX24117_REG_BER3_0 (0x48)
49#define CX24117_REG_BER2_0 (0x49)
50#define CX24117_REG_BER1_0 (0x4a)
51#define CX24117_REG_DVBS_UCB2_0 (0x4b)
52#define CX24117_REG_DVBS_UCB1_0 (0x4c)
53#define CX24117_REG_DVBS2_UCB2_0 (0x50)
54#define CX24117_REG_DVBS2_UCB1_0 (0x51)
55#define CX24117_REG_QSTATUS0 (0x93)
56#define CX24117_REG_CLKDIV0 (0xe6)
57#define CX24117_REG_RATEDIV0 (0xf0)
58
59
60#define CX24117_REG_FREQ3_1 (0x55)
61#define CX24117_REG_FREQ2_1 (0x56)
62#define CX24117_REG_FREQ1_1 (0x57)
63#define CX24117_REG_STATE1 (0x5a)
64#define CX24117_REG_SSTATUS1 (0x5b)
65#define CX24117_REG_SIGNAL1 (0x5c)
66#define CX24117_REG_FREQ5_1 (0x5d)
67#define CX24117_REG_FREQ4_1 (0x5e)
68#define CX24117_REG_SRATE2_1 (0x5f)
69#define CX24117_REG_SRATE1_1 (0x60)
70#define CX24117_REG_QUALITY2_1 (0x61)
71#define CX24117_REG_QUALITY1_1 (0x62)
72#define CX24117_REG_BER4_1 (0x68)
73#define CX24117_REG_BER3_1 (0x69)
74#define CX24117_REG_BER2_1 (0x6a)
75#define CX24117_REG_BER1_1 (0x6b)
76#define CX24117_REG_DVBS_UCB2_1 (0x6c)
77#define CX24117_REG_DVBS_UCB1_1 (0x6d)
78#define CX24117_REG_DVBS2_UCB2_1 (0x71)
79#define CX24117_REG_DVBS2_UCB1_1 (0x72)
80#define CX24117_REG_QSTATUS1 (0x9f)
81#define CX24117_REG_CLKDIV1 (0xe7)
82#define CX24117_REG_RATEDIV1 (0xf1)
83
84
85
86#define CX24117_ARGLEN (0x1e)
87
88
89#define CX24117_ROLLOFF_020 (0x00)
90#define CX24117_ROLLOFF_025 (0x01)
91#define CX24117_ROLLOFF_035 (0x02)
92
93
94#define CX24117_PILOT_OFF (0x00)
95#define CX24117_PILOT_ON (0x40)
96#define CX24117_PILOT_AUTO (0x80)
97
98
99#define CX24117_HAS_SIGNAL (0x01)
100#define CX24117_HAS_CARRIER (0x02)
101#define CX24117_HAS_VITERBI (0x04)
102#define CX24117_HAS_SYNCLOCK (0x08)
103#define CX24117_STATUS_MASK (0x0f)
104#define CX24117_SIGNAL_MASK (0xc0)
105
106
107
108#define CX24117_DISEQC_DEMOD (1)
109#define CX24117_DISEQC_BURST (2)
110#define CX24117_DISEQC_ARG3_2 (3)
111#define CX24117_DISEQC_ARG4_0 (4)
112#define CX24117_DISEQC_ARG5_0 (5)
113#define CX24117_DISEQC_MSGLEN (6)
114#define CX24117_DISEQC_MSGOFS (7)
115
116
117#define CX24117_DISEQC_MINI_A (0)
118#define CX24117_DISEQC_MINI_B (1)
119
120
121#define CX24117_PNE (0)
122#define CX24117_OCC (1)
123
124
125enum cmds {
126 CMD_SET_VCOFREQ = 0x10,
127 CMD_TUNEREQUEST = 0x11,
128 CMD_GLOBAL_MPEGCFG = 0x13,
129 CMD_MPEGCFG = 0x14,
130 CMD_TUNERINIT = 0x15,
131 CMD_GET_SRATE = 0x18,
132 CMD_SET_GOLDCODE = 0x19,
133 CMD_GET_AGCACC = 0x1a,
134 CMD_DEMODINIT = 0x1b,
135 CMD_GETCTLACC = 0x1c,
136
137 CMD_LNBCONFIG = 0x20,
138 CMD_LNBSEND = 0x21,
139 CMD_LNBDCLEVEL = 0x22,
140 CMD_LNBPCBCONFIG = 0x23,
141 CMD_LNBSENDTONEBST = 0x24,
142 CMD_LNBUPDREPLY = 0x25,
143
144 CMD_SET_GPIOMODE = 0x30,
145 CMD_SET_GPIOEN = 0x31,
146 CMD_SET_GPIODIR = 0x32,
147 CMD_SET_GPIOOUT = 0x33,
148 CMD_ENABLERSCORR = 0x34,
149 CMD_FWVERSION = 0x35,
150 CMD_SET_SLEEPMODE = 0x36,
151 CMD_BERCTRL = 0x3c,
152 CMD_EVENTCTRL = 0x3d,
153};
154
155static LIST_HEAD(hybrid_tuner_instance_list);
156static DEFINE_MUTEX(cx24117_list_mutex);
157
158
159struct cx24117_tuning {
160 u32 frequency;
161 u32 symbol_rate;
162 enum fe_spectral_inversion inversion;
163 enum fe_code_rate fec;
164
165 enum fe_delivery_system delsys;
166 enum fe_modulation modulation;
167 enum fe_pilot pilot;
168 enum fe_rolloff rolloff;
169
170
171 u8 fec_val;
172 u8 fec_mask;
173 u8 inversion_val;
174 u8 pilot_val;
175 u8 rolloff_val;
176};
177
178
179struct cx24117_cmd {
180 u8 len;
181 u8 args[CX24117_ARGLEN];
182};
183
184
185struct cx24117_priv {
186 u8 demod_address;
187 struct i2c_adapter *i2c;
188 u8 skip_fw_load;
189 struct mutex fe_lock;
190
191
192 struct tuner_i2c_props i2c_props;
193 struct list_head hybrid_tuner_instance_list;
194};
195
196
197struct cx24117_state {
198 struct cx24117_priv *priv;
199 struct dvb_frontend frontend;
200
201 struct cx24117_tuning dcur;
202 struct cx24117_tuning dnxt;
203 struct cx24117_cmd dsec_cmd;
204
205 int demod;
206};
207
208
209
210static struct cx24117_modfec {
211 enum fe_delivery_system delivery_system;
212 enum fe_modulation modulation;
213 enum fe_code_rate fec;
214 u8 mask;
215 u8 val;
216} cx24117_modfec_modes[] = {
217
218
219
220 { SYS_DVBS, QPSK, FEC_NONE, 0xfe, 0x30 },
221 { SYS_DVBS, QPSK, FEC_1_2, 0x02, 0x2e },
222 { SYS_DVBS, QPSK, FEC_2_3, 0x04, 0x2f },
223 { SYS_DVBS, QPSK, FEC_3_4, 0x08, 0x30 },
224 { SYS_DVBS, QPSK, FEC_4_5, 0xfe, 0x30 },
225 { SYS_DVBS, QPSK, FEC_5_6, 0x20, 0x31 },
226 { SYS_DVBS, QPSK, FEC_6_7, 0xfe, 0x30 },
227 { SYS_DVBS, QPSK, FEC_7_8, 0x80, 0x32 },
228 { SYS_DVBS, QPSK, FEC_8_9, 0xfe, 0x30 },
229 { SYS_DVBS, QPSK, FEC_AUTO, 0xfe, 0x30 },
230
231 { SYS_DVBS2, QPSK, FEC_NONE, 0x00, 0x00 },
232 { SYS_DVBS2, QPSK, FEC_1_2, 0x00, 0x04 },
233 { SYS_DVBS2, QPSK, FEC_3_5, 0x00, 0x05 },
234 { SYS_DVBS2, QPSK, FEC_2_3, 0x00, 0x06 },
235 { SYS_DVBS2, QPSK, FEC_3_4, 0x00, 0x07 },
236 { SYS_DVBS2, QPSK, FEC_4_5, 0x00, 0x08 },
237 { SYS_DVBS2, QPSK, FEC_5_6, 0x00, 0x09 },
238 { SYS_DVBS2, QPSK, FEC_8_9, 0x00, 0x0a },
239 { SYS_DVBS2, QPSK, FEC_9_10, 0x00, 0x0b },
240 { SYS_DVBS2, QPSK, FEC_AUTO, 0x00, 0x00 },
241
242 { SYS_DVBS2, PSK_8, FEC_NONE, 0x00, 0x00 },
243 { SYS_DVBS2, PSK_8, FEC_3_5, 0x00, 0x0c },
244 { SYS_DVBS2, PSK_8, FEC_2_3, 0x00, 0x0d },
245 { SYS_DVBS2, PSK_8, FEC_3_4, 0x00, 0x0e },
246 { SYS_DVBS2, PSK_8, FEC_5_6, 0x00, 0x0f },
247 { SYS_DVBS2, PSK_8, FEC_8_9, 0x00, 0x10 },
248 { SYS_DVBS2, PSK_8, FEC_9_10, 0x00, 0x11 },
249 { SYS_DVBS2, PSK_8, FEC_AUTO, 0x00, 0x00 },
250
251
252
253
254};
255
256
257static int cx24117_writereg(struct cx24117_state *state, u8 reg, u8 data)
258{
259 u8 buf[] = { reg, data };
260 struct i2c_msg msg = { .addr = state->priv->demod_address,
261 .flags = 0, .buf = buf, .len = 2 };
262 int ret;
263
264 dev_dbg(&state->priv->i2c->dev,
265 "%s() demod%d i2c wr @0x%02x=0x%02x\n",
266 __func__, state->demod, reg, data);
267
268 ret = i2c_transfer(state->priv->i2c, &msg, 1);
269 if (ret < 0) {
270 dev_warn(&state->priv->i2c->dev,
271 "%s: demod%d i2c wr err(%i) @0x%02x=0x%02x\n",
272 KBUILD_MODNAME, state->demod, ret, reg, data);
273 return ret;
274 }
275 return 0;
276}
277
278static int cx24117_writecmd(struct cx24117_state *state,
279 struct cx24117_cmd *cmd)
280{
281 struct i2c_msg msg;
282 u8 buf[CX24117_ARGLEN+1];
283 int ret;
284
285 dev_dbg(&state->priv->i2c->dev,
286 "%s() demod%d i2c wr cmd len=%d\n",
287 __func__, state->demod, cmd->len);
288
289 buf[0] = CX24117_REG_COMMAND;
290 memcpy(&buf[1], cmd->args, cmd->len);
291
292 msg.addr = state->priv->demod_address;
293 msg.flags = 0;
294 msg.len = cmd->len+1;
295 msg.buf = buf;
296 ret = i2c_transfer(state->priv->i2c, &msg, 1);
297 if (ret < 0) {
298 dev_warn(&state->priv->i2c->dev,
299 "%s: demod%d i2c wr cmd err(%i) len=%d\n",
300 KBUILD_MODNAME, state->demod, ret, cmd->len);
301 return ret;
302 }
303 return 0;
304}
305
306static int cx24117_readreg(struct cx24117_state *state, u8 reg)
307{
308 int ret;
309 u8 recv = 0;
310 struct i2c_msg msg[] = {
311 { .addr = state->priv->demod_address, .flags = 0,
312 .buf = ®, .len = 1 },
313 { .addr = state->priv->demod_address, .flags = I2C_M_RD,
314 .buf = &recv, .len = 1 }
315 };
316
317 ret = i2c_transfer(state->priv->i2c, msg, 2);
318 if (ret < 0) {
319 dev_warn(&state->priv->i2c->dev,
320 "%s: demod%d i2c rd err(%d) @0x%x\n",
321 KBUILD_MODNAME, state->demod, ret, reg);
322 return ret;
323 }
324
325 dev_dbg(&state->priv->i2c->dev, "%s() demod%d i2c rd @0x%02x=0x%02x\n",
326 __func__, state->demod, reg, recv);
327
328 return recv;
329}
330
331static int cx24117_readregN(struct cx24117_state *state,
332 u8 reg, u8 *buf, int len)
333{
334 int ret;
335 struct i2c_msg msg[] = {
336 { .addr = state->priv->demod_address, .flags = 0,
337 .buf = ®, .len = 1 },
338 { .addr = state->priv->demod_address, .flags = I2C_M_RD,
339 .buf = buf, .len = len }
340 };
341
342 ret = i2c_transfer(state->priv->i2c, msg, 2);
343 if (ret < 0) {
344 dev_warn(&state->priv->i2c->dev,
345 "%s: demod%d i2c rd err(%d) @0x%x\n",
346 KBUILD_MODNAME, state->demod, ret, reg);
347 return ret;
348 }
349 return 0;
350}
351
352static int cx24117_set_inversion(struct cx24117_state *state,
353 enum fe_spectral_inversion inversion)
354{
355 dev_dbg(&state->priv->i2c->dev, "%s(%d) demod%d\n",
356 __func__, inversion, state->demod);
357
358 switch (inversion) {
359 case INVERSION_OFF:
360 state->dnxt.inversion_val = 0x00;
361 break;
362 case INVERSION_ON:
363 state->dnxt.inversion_val = 0x04;
364 break;
365 case INVERSION_AUTO:
366 state->dnxt.inversion_val = 0x0C;
367 break;
368 default:
369 return -EINVAL;
370 }
371
372 state->dnxt.inversion = inversion;
373
374 return 0;
375}
376
377static int cx24117_lookup_fecmod(struct cx24117_state *state,
378 enum fe_delivery_system d, enum fe_modulation m, enum fe_code_rate f)
379{
380 int i, ret = -EINVAL;
381
382 dev_dbg(&state->priv->i2c->dev,
383 "%s(demod(0x%02x,0x%02x) demod%d\n",
384 __func__, m, f, state->demod);
385
386 for (i = 0; i < ARRAY_SIZE(cx24117_modfec_modes); i++) {
387 if ((d == cx24117_modfec_modes[i].delivery_system) &&
388 (m == cx24117_modfec_modes[i].modulation) &&
389 (f == cx24117_modfec_modes[i].fec)) {
390 ret = i;
391 break;
392 }
393 }
394
395 return ret;
396}
397
398static int cx24117_set_fec(struct cx24117_state *state,
399 enum fe_delivery_system delsys,
400 enum fe_modulation mod,
401 enum fe_code_rate fec)
402{
403 int ret;
404
405 dev_dbg(&state->priv->i2c->dev,
406 "%s(0x%02x,0x%02x) demod%d\n",
407 __func__, mod, fec, state->demod);
408
409 ret = cx24117_lookup_fecmod(state, delsys, mod, fec);
410 if (ret < 0)
411 return ret;
412
413 state->dnxt.fec = fec;
414 state->dnxt.fec_val = cx24117_modfec_modes[ret].val;
415 state->dnxt.fec_mask = cx24117_modfec_modes[ret].mask;
416 dev_dbg(&state->priv->i2c->dev,
417 "%s() demod%d mask/val = 0x%02x/0x%02x\n", __func__,
418 state->demod, state->dnxt.fec_mask, state->dnxt.fec_val);
419
420 return 0;
421}
422
423static int cx24117_set_symbolrate(struct cx24117_state *state, u32 rate)
424{
425 dev_dbg(&state->priv->i2c->dev, "%s(%d) demod%d\n",
426 __func__, rate, state->demod);
427
428 state->dnxt.symbol_rate = rate;
429
430 dev_dbg(&state->priv->i2c->dev,
431 "%s() demod%d symbol_rate = %d\n",
432 __func__, state->demod, rate);
433
434 return 0;
435}
436
437static int cx24117_load_firmware(struct dvb_frontend *fe,
438 const struct firmware *fw);
439
440static int cx24117_firmware_ondemand(struct dvb_frontend *fe)
441{
442 struct cx24117_state *state = fe->demodulator_priv;
443 const struct firmware *fw;
444 int ret = 0;
445
446 dev_dbg(&state->priv->i2c->dev, "%s() demod%d skip_fw_load=%d\n",
447 __func__, state->demod, state->priv->skip_fw_load);
448
449 if (state->priv->skip_fw_load)
450 return 0;
451
452
453 if (cx24117_readreg(state, 0xeb) != 0xa) {
454
455
456 dev_dbg(&state->priv->i2c->dev,
457 "%s: Waiting for firmware upload (%s)...\n",
458 __func__, CX24117_DEFAULT_FIRMWARE);
459 ret = request_firmware(&fw, CX24117_DEFAULT_FIRMWARE,
460 state->priv->i2c->dev.parent);
461 dev_dbg(&state->priv->i2c->dev,
462 "%s: Waiting for firmware upload(2)...\n", __func__);
463 if (ret) {
464 dev_err(&state->priv->i2c->dev,
465 "%s: No firmware uploaded (timeout or file not found?)\n",
466__func__);
467 return ret;
468 }
469
470
471
472 state->priv->skip_fw_load = 1;
473
474 ret = cx24117_load_firmware(fe, fw);
475 if (ret)
476 dev_err(&state->priv->i2c->dev,
477 "%s: Writing firmware failed\n", __func__);
478 release_firmware(fw);
479
480 dev_info(&state->priv->i2c->dev,
481 "%s: Firmware upload %s\n", __func__,
482 ret == 0 ? "complete" : "failed");
483
484
485 state->priv->skip_fw_load = 0;
486 }
487
488 return ret;
489}
490
491
492
493
494static int cx24117_cmd_execute_nolock(struct dvb_frontend *fe,
495 struct cx24117_cmd *cmd)
496{
497 struct cx24117_state *state = fe->demodulator_priv;
498 int i, ret;
499
500 dev_dbg(&state->priv->i2c->dev, "%s() demod%d\n",
501 __func__, state->demod);
502
503
504 ret = cx24117_firmware_ondemand(fe);
505 if (ret != 0)
506 return ret;
507
508
509 cx24117_writecmd(state, cmd);
510
511
512 cx24117_writereg(state, CX24117_REG_EXECUTE, 0x01);
513 i = 0;
514 while (cx24117_readreg(state, CX24117_REG_EXECUTE)) {
515 msleep(20);
516 if (i++ > 40) {
517
518
519 dev_warn(&state->priv->i2c->dev,
520 "%s() Firmware not responding\n", __func__);
521 return -EIO;
522 }
523 }
524 return 0;
525}
526
527static int cx24117_cmd_execute(struct dvb_frontend *fe, struct cx24117_cmd *cmd)
528{
529 struct cx24117_state *state = fe->demodulator_priv;
530 int ret;
531
532 mutex_lock(&state->priv->fe_lock);
533 ret = cx24117_cmd_execute_nolock(fe, cmd);
534 mutex_unlock(&state->priv->fe_lock);
535
536 return ret;
537}
538
539static int cx24117_load_firmware(struct dvb_frontend *fe,
540 const struct firmware *fw)
541{
542 struct cx24117_state *state = fe->demodulator_priv;
543 struct cx24117_cmd cmd;
544 int i, ret;
545 unsigned char vers[4];
546
547 struct i2c_msg msg;
548 u8 *buf;
549
550 dev_dbg(&state->priv->i2c->dev,
551 "%s() demod%d FW is %zu bytes (%02x %02x .. %02x %02x)\n",
552 __func__, state->demod, fw->size, fw->data[0], fw->data[1],
553 fw->data[fw->size - 2], fw->data[fw->size - 1]);
554
555 cx24117_writereg(state, 0xea, 0x00);
556 cx24117_writereg(state, 0xea, 0x01);
557 cx24117_writereg(state, 0xea, 0x00);
558
559 cx24117_writereg(state, 0xce, 0x92);
560
561 cx24117_writereg(state, 0xfb, 0x00);
562 cx24117_writereg(state, 0xfc, 0x00);
563
564 cx24117_writereg(state, 0xc3, 0x04);
565 cx24117_writereg(state, 0xc4, 0x04);
566
567 cx24117_writereg(state, 0xce, 0x00);
568 cx24117_writereg(state, 0xcf, 0x00);
569
570 cx24117_writereg(state, 0xea, 0x00);
571 cx24117_writereg(state, 0xeb, 0x0c);
572 cx24117_writereg(state, 0xec, 0x06);
573 cx24117_writereg(state, 0xed, 0x05);
574 cx24117_writereg(state, 0xee, 0x03);
575 cx24117_writereg(state, 0xef, 0x05);
576
577 cx24117_writereg(state, 0xf3, 0x03);
578 cx24117_writereg(state, 0xf4, 0x44);
579
580 cx24117_writereg(state, CX24117_REG_RATEDIV0, 0x04);
581 cx24117_writereg(state, CX24117_REG_CLKDIV0, 0x02);
582
583 cx24117_writereg(state, CX24117_REG_RATEDIV1, 0x04);
584 cx24117_writereg(state, CX24117_REG_CLKDIV1, 0x02);
585
586 cx24117_writereg(state, 0xf2, 0x04);
587 cx24117_writereg(state, 0xe8, 0x02);
588 cx24117_writereg(state, 0xea, 0x01);
589 cx24117_writereg(state, 0xc8, 0x00);
590 cx24117_writereg(state, 0xc9, 0x00);
591 cx24117_writereg(state, 0xca, 0x00);
592 cx24117_writereg(state, 0xcb, 0x00);
593 cx24117_writereg(state, 0xcc, 0x00);
594 cx24117_writereg(state, 0xcd, 0x00);
595 cx24117_writereg(state, 0xe4, 0x03);
596 cx24117_writereg(state, 0xeb, 0x0a);
597
598 cx24117_writereg(state, 0xfb, 0x00);
599 cx24117_writereg(state, 0xe0, 0x76);
600 cx24117_writereg(state, 0xf7, 0x81);
601 cx24117_writereg(state, 0xf8, 0x00);
602 cx24117_writereg(state, 0xf9, 0x00);
603
604 buf = kmalloc(fw->size + 1, GFP_KERNEL);
605 if (buf == NULL) {
606 state->priv->skip_fw_load = 0;
607 return -ENOMEM;
608 }
609
610
611 buf[0] = 0xfa;
612 memcpy(&buf[1], fw->data, fw->size);
613
614
615 msg.addr = state->priv->demod_address;
616 msg.flags = 0;
617 msg.len = fw->size + 1;
618 msg.buf = buf;
619
620
621 ret = i2c_transfer(state->priv->i2c, &msg, 1);
622 if (ret < 0)
623 return ret;
624
625 kfree(buf);
626
627 cx24117_writereg(state, 0xf7, 0x0c);
628 cx24117_writereg(state, 0xe0, 0x00);
629
630
631 cmd.args[0] = CMD_DEMODINIT;
632 cmd.args[1] = 0x00;
633 cmd.args[2] = 0x01;
634 cmd.args[3] = 0x00;
635 cmd.len = 4;
636 ret = cx24117_cmd_execute_nolock(fe, &cmd);
637 if (ret != 0)
638 goto error;
639
640
641 cmd.args[0] = CMD_SET_VCOFREQ;
642 cmd.args[1] = 0x06;
643 cmd.args[2] = 0x2b;
644 cmd.args[3] = 0xd8;
645 cmd.args[4] = 0xa5;
646 cmd.args[5] = 0xee;
647 cmd.args[6] = 0x03;
648 cmd.args[7] = 0x9d;
649 cmd.args[8] = 0xfc;
650 cmd.args[9] = 0x06;
651 cmd.args[10] = 0x02;
652 cmd.args[11] = 0x9d;
653 cmd.args[12] = 0xfc;
654 cmd.len = 13;
655 ret = cx24117_cmd_execute_nolock(fe, &cmd);
656 if (ret != 0)
657 goto error;
658
659
660 cmd.args[0] = CMD_TUNERINIT;
661 cmd.args[1] = 0x00;
662 cmd.args[2] = 0x01;
663 cmd.args[3] = 0x00;
664 cmd.args[4] = 0x00;
665 cmd.args[5] = 0x01;
666 cmd.args[6] = 0x01;
667 cmd.args[7] = 0x01;
668 cmd.args[8] = 0x00;
669 cmd.args[9] = 0x05;
670 cmd.args[10] = 0x02;
671 cmd.args[11] = 0x02;
672 cmd.args[12] = 0x00;
673 cmd.len = 13;
674 ret = cx24117_cmd_execute_nolock(fe, &cmd);
675 if (ret != 0)
676 goto error;
677
678
679 cmd.args[0] = CMD_GLOBAL_MPEGCFG;
680 cmd.args[1] = 0x00;
681 cmd.args[2] = 0x00;
682 cmd.args[3] = 0x00;
683 cmd.args[4] = 0x01;
684 cmd.args[5] = 0x00;
685 cmd.len = 6;
686 ret = cx24117_cmd_execute_nolock(fe, &cmd);
687 if (ret != 0)
688 goto error;
689
690
691 for (i = 0; i < 2; i++) {
692 cmd.args[0] = CMD_MPEGCFG;
693 cmd.args[1] = (u8) i;
694 cmd.args[2] = 0x00;
695 cmd.args[3] = 0x05;
696 cmd.args[4] = 0x00;
697 cmd.args[5] = 0x00;
698 cmd.args[6] = 0x55;
699 cmd.args[7] = 0x00;
700 cmd.len = 8;
701 ret = cx24117_cmd_execute_nolock(fe, &cmd);
702 if (ret != 0)
703 goto error;
704 }
705
706 cx24117_writereg(state, 0xce, 0xc0);
707 cx24117_writereg(state, 0xcf, 0x00);
708 cx24117_writereg(state, 0xe5, 0x04);
709
710
711 cmd.args[0] = CMD_FWVERSION;
712 cmd.len = 2;
713 for (i = 0; i < 4; i++) {
714 cmd.args[1] = i;
715 ret = cx24117_cmd_execute_nolock(fe, &cmd);
716 if (ret != 0)
717 goto error;
718 vers[i] = cx24117_readreg(state, 0x33);
719 }
720 dev_info(&state->priv->i2c->dev,
721 "%s: FW version %i.%i.%i.%i\n", __func__,
722 vers[0], vers[1], vers[2], vers[3]);
723 return 0;
724error:
725 state->priv->skip_fw_load = 0;
726 dev_err(&state->priv->i2c->dev, "%s() Error running FW.\n", __func__);
727 return ret;
728}
729
730static int cx24117_read_status(struct dvb_frontend *fe, enum fe_status *status)
731{
732 struct cx24117_state *state = fe->demodulator_priv;
733 int lock;
734
735 lock = cx24117_readreg(state,
736 (state->demod == 0) ? CX24117_REG_SSTATUS0 :
737 CX24117_REG_SSTATUS1) &
738 CX24117_STATUS_MASK;
739
740 dev_dbg(&state->priv->i2c->dev, "%s() demod%d status = 0x%02x\n",
741 __func__, state->demod, lock);
742
743 *status = 0;
744
745 if (lock & CX24117_HAS_SIGNAL)
746 *status |= FE_HAS_SIGNAL;
747 if (lock & CX24117_HAS_CARRIER)
748 *status |= FE_HAS_CARRIER;
749 if (lock & CX24117_HAS_VITERBI)
750 *status |= FE_HAS_VITERBI;
751 if (lock & CX24117_HAS_SYNCLOCK)
752 *status |= FE_HAS_SYNC | FE_HAS_LOCK;
753
754 return 0;
755}
756
757static int cx24117_read_ber(struct dvb_frontend *fe, u32 *ber)
758{
759 struct cx24117_state *state = fe->demodulator_priv;
760 int ret;
761 u8 buf[4];
762 u8 base_reg = (state->demod == 0) ?
763 CX24117_REG_BER4_0 :
764 CX24117_REG_BER4_1;
765
766 ret = cx24117_readregN(state, base_reg, buf, 4);
767 if (ret != 0)
768 return ret;
769
770 *ber = (buf[0] << 24) | (buf[1] << 16) |
771 (buf[1] << 8) | buf[0];
772
773 dev_dbg(&state->priv->i2c->dev, "%s() demod%d ber=0x%04x\n",
774 __func__, state->demod, *ber);
775
776 return 0;
777}
778
779static int cx24117_read_signal_strength(struct dvb_frontend *fe,
780 u16 *signal_strength)
781{
782 struct cx24117_state *state = fe->demodulator_priv;
783 struct cx24117_cmd cmd;
784 int ret;
785 u16 sig_reading;
786 u8 buf[2];
787 u8 reg = (state->demod == 0) ?
788 CX24117_REG_SSTATUS0 : CX24117_REG_SSTATUS1;
789
790
791 cmd.args[0] = CMD_GET_AGCACC;
792 cmd.args[1] = (u8) state->demod;
793 cmd.len = 2;
794 ret = cx24117_cmd_execute(fe, &cmd);
795 if (ret != 0)
796 return ret;
797
798 ret = cx24117_readregN(state, reg, buf, 2);
799 if (ret != 0)
800 return ret;
801 sig_reading = ((buf[0] & CX24117_SIGNAL_MASK) << 2) | buf[1];
802
803 *signal_strength = -100 * sig_reading + 94324;
804
805 dev_dbg(&state->priv->i2c->dev,
806 "%s() demod%d raw / cooked = 0x%04x / 0x%04x\n",
807 __func__, state->demod, sig_reading, *signal_strength);
808
809 return 0;
810}
811
812static int cx24117_read_snr(struct dvb_frontend *fe, u16 *snr)
813{
814 struct cx24117_state *state = fe->demodulator_priv;
815 int ret;
816 u8 buf[2];
817 u8 reg = (state->demod == 0) ?
818 CX24117_REG_QUALITY2_0 : CX24117_REG_QUALITY2_1;
819
820 ret = cx24117_readregN(state, reg, buf, 2);
821 if (ret != 0)
822 return ret;
823
824 *snr = (buf[0] << 8) | buf[1];
825
826 dev_dbg(&state->priv->i2c->dev,
827 "%s() demod%d snr = 0x%04x\n",
828 __func__, state->demod, *snr);
829
830 return ret;
831}
832
833static int cx24117_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
834{
835 struct cx24117_state *state = fe->demodulator_priv;
836 enum fe_delivery_system delsys = fe->dtv_property_cache.delivery_system;
837 int ret;
838 u8 buf[2];
839 u8 reg = (state->demod == 0) ?
840 CX24117_REG_DVBS_UCB2_0 :
841 CX24117_REG_DVBS_UCB2_1;
842
843 switch (delsys) {
844 case SYS_DVBS:
845 break;
846 case SYS_DVBS2:
847 reg += (CX24117_REG_DVBS2_UCB2_0 - CX24117_REG_DVBS_UCB2_0);
848 break;
849 default:
850 return -EINVAL;
851 }
852
853 ret = cx24117_readregN(state, reg, buf, 2);
854 if (ret != 0)
855 return ret;
856 *ucblocks = (buf[0] << 8) | buf[1];
857
858 dev_dbg(&state->priv->i2c->dev, "%s() demod%d ucb=0x%04x\n",
859 __func__, state->demod, *ucblocks);
860
861 return 0;
862}
863
864
865static void cx24117_clone_params(struct dvb_frontend *fe)
866{
867 struct cx24117_state *state = fe->demodulator_priv;
868 state->dcur = state->dnxt;
869}
870
871
872static int cx24117_wait_for_lnb(struct dvb_frontend *fe)
873{
874 struct cx24117_state *state = fe->demodulator_priv;
875 int i;
876 u8 val, reg = (state->demod == 0) ? CX24117_REG_QSTATUS0 :
877 CX24117_REG_QSTATUS1;
878
879 dev_dbg(&state->priv->i2c->dev, "%s() demod%d qstatus = 0x%02x\n",
880 __func__, state->demod, cx24117_readreg(state, reg));
881
882
883 for (i = 0; i < 10; i++) {
884 val = cx24117_readreg(state, reg) & 0x01;
885 if (val != 0)
886 return 0;
887 msleep(30);
888 }
889
890 dev_warn(&state->priv->i2c->dev, "%s: demod%d LNB not ready\n",
891 KBUILD_MODNAME, state->demod);
892
893 return -ETIMEDOUT;
894}
895
896static int cx24117_set_voltage(struct dvb_frontend *fe,
897 enum fe_sec_voltage voltage)
898{
899 struct cx24117_state *state = fe->demodulator_priv;
900 struct cx24117_cmd cmd;
901 int ret;
902 u8 reg = (state->demod == 0) ? 0x10 : 0x20;
903
904 dev_dbg(&state->priv->i2c->dev, "%s() demod%d %s\n",
905 __func__, state->demod,
906 voltage == SEC_VOLTAGE_13 ? "SEC_VOLTAGE_13" :
907 voltage == SEC_VOLTAGE_18 ? "SEC_VOLTAGE_18" :
908 "SEC_VOLTAGE_OFF");
909
910
911 cmd.args[0] = CMD_SET_GPIOOUT;
912 cmd.args[2] = reg;
913 cmd.len = 3;
914
915 if ((voltage == SEC_VOLTAGE_13) ||
916 (voltage == SEC_VOLTAGE_18)) {
917
918 cmd.args[1] = reg;
919 ret = cx24117_cmd_execute(fe, &cmd);
920 if (ret != 0)
921 return ret;
922
923 ret = cx24117_wait_for_lnb(fe);
924 if (ret != 0)
925 return ret;
926
927
928 msleep(100);
929
930
931 cmd.args[0] = CMD_LNBDCLEVEL;
932 cmd.args[1] = state->demod ? 0 : 1;
933 cmd.args[2] = (voltage == SEC_VOLTAGE_18 ? 0x01 : 0x00);
934 cmd.len = 3;
935 ret = cx24117_cmd_execute(fe, &cmd);
936
937
938 msleep(20);
939 } else {
940
941 cmd.args[1] = 0x00;
942 ret = cx24117_cmd_execute(fe, &cmd);
943 }
944
945 return ret;
946}
947
948static int cx24117_set_tone(struct dvb_frontend *fe,
949 enum fe_sec_tone_mode tone)
950{
951 struct cx24117_state *state = fe->demodulator_priv;
952 struct cx24117_cmd cmd;
953 int ret;
954
955 dev_dbg(&state->priv->i2c->dev, "%s(%d) demod%d\n",
956 __func__, state->demod, tone);
957 if ((tone != SEC_TONE_ON) && (tone != SEC_TONE_OFF)) {
958 dev_warn(&state->priv->i2c->dev, "%s: demod%d invalid tone=%d\n",
959 KBUILD_MODNAME, state->demod, tone);
960 return -EINVAL;
961 }
962
963
964 ret = cx24117_wait_for_lnb(fe);
965 if (ret != 0)
966 return ret;
967
968
969 msleep(20);
970
971
972 cmd.args[0] = CMD_LNBPCBCONFIG;
973 cmd.args[1] = (state->demod ? 0 : 1);
974 cmd.args[2] = 0x00;
975 cmd.args[3] = 0x00;
976 cmd.len = 5;
977 switch (tone) {
978 case SEC_TONE_ON:
979 cmd.args[4] = 0x01;
980 break;
981 case SEC_TONE_OFF:
982 cmd.args[4] = 0x00;
983 break;
984 }
985
986 msleep(20);
987
988 return cx24117_cmd_execute(fe, &cmd);
989}
990
991
992static int cx24117_diseqc_init(struct dvb_frontend *fe)
993{
994 struct cx24117_state *state = fe->demodulator_priv;
995
996
997 state->dsec_cmd.args[0] = CMD_LNBSEND;
998
999
1000 state->dsec_cmd.args[CX24117_DISEQC_DEMOD] = state->demod ? 0 : 1;
1001
1002
1003 state->dsec_cmd.args[CX24117_DISEQC_BURST] = CX24117_DISEQC_MINI_A;
1004
1005
1006 state->dsec_cmd.args[CX24117_DISEQC_ARG3_2] = 0x02;
1007 state->dsec_cmd.args[CX24117_DISEQC_ARG4_0] = 0x00;
1008
1009
1010 state->dsec_cmd.args[CX24117_DISEQC_ARG5_0] = 0x00;
1011
1012
1013 state->dsec_cmd.args[CX24117_DISEQC_MSGLEN] = 0x00;
1014
1015
1016 state->dsec_cmd.len = 7;
1017
1018 return 0;
1019}
1020
1021
1022static int cx24117_send_diseqc_msg(struct dvb_frontend *fe,
1023 struct dvb_diseqc_master_cmd *d)
1024{
1025 struct cx24117_state *state = fe->demodulator_priv;
1026 int i, ret;
1027
1028
1029 dev_dbg(&state->priv->i2c->dev, "%s: demod %d (",
1030 __func__, state->demod);
1031 for (i = 0; i < d->msg_len; i++)
1032 dev_dbg(&state->priv->i2c->dev, "0x%02x ", d->msg[i]);
1033 dev_dbg(&state->priv->i2c->dev, ")\n");
1034
1035
1036 if (d->msg_len > sizeof(d->msg))
1037 return -EINVAL;
1038
1039
1040 for (i = 0; i < d->msg_len; i++)
1041 state->dsec_cmd.args[CX24117_DISEQC_MSGOFS + i] = d->msg[i];
1042
1043
1044 state->dsec_cmd.args[CX24117_DISEQC_MSGLEN] = d->msg_len;
1045
1046
1047 state->dsec_cmd.len = CX24117_DISEQC_MSGOFS +
1048 state->dsec_cmd.args[CX24117_DISEQC_MSGLEN];
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068 if (d->msg_len >= 4 && d->msg[2] == 0x38)
1069 state->dsec_cmd.args[CX24117_DISEQC_BURST] =
1070 ((d->msg[3] & 4) >> 2);
1071
1072 dev_dbg(&state->priv->i2c->dev, "%s() demod%d burst=%d\n",
1073 __func__, state->demod,
1074 state->dsec_cmd.args[CX24117_DISEQC_BURST]);
1075
1076
1077 ret = cx24117_wait_for_lnb(fe);
1078 if (ret != 0)
1079 return ret;
1080
1081
1082 msleep(100);
1083
1084
1085 ret = cx24117_cmd_execute(fe, &state->dsec_cmd);
1086 if (ret != 0)
1087 return ret;
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098 msleep((state->dsec_cmd.args[CX24117_DISEQC_MSGLEN] << 4) + 60);
1099
1100 return 0;
1101}
1102
1103
1104static int cx24117_diseqc_send_burst(struct dvb_frontend *fe,
1105 enum fe_sec_mini_cmd burst)
1106{
1107 struct cx24117_state *state = fe->demodulator_priv;
1108
1109 dev_dbg(&state->priv->i2c->dev, "%s(%d) demod=%d\n",
1110 __func__, burst, state->demod);
1111
1112
1113 if (burst == SEC_MINI_A)
1114 state->dsec_cmd.args[CX24117_DISEQC_BURST] =
1115 CX24117_DISEQC_MINI_A;
1116 else if (burst == SEC_MINI_B)
1117 state->dsec_cmd.args[CX24117_DISEQC_BURST] =
1118 CX24117_DISEQC_MINI_B;
1119 else
1120 return -EINVAL;
1121
1122 return 0;
1123}
1124
1125static int cx24117_get_priv(struct cx24117_priv **priv,
1126 struct i2c_adapter *i2c, u8 client_address)
1127{
1128 int ret;
1129
1130 mutex_lock(&cx24117_list_mutex);
1131 ret = hybrid_tuner_request_state(struct cx24117_priv, (*priv),
1132 hybrid_tuner_instance_list, i2c, client_address, "cx24117");
1133 mutex_unlock(&cx24117_list_mutex);
1134
1135 return ret;
1136}
1137
1138static void cx24117_release_priv(struct cx24117_priv *priv)
1139{
1140 mutex_lock(&cx24117_list_mutex);
1141 if (priv != NULL)
1142 hybrid_tuner_release_state(priv);
1143 mutex_unlock(&cx24117_list_mutex);
1144}
1145
1146static void cx24117_release(struct dvb_frontend *fe)
1147{
1148 struct cx24117_state *state = fe->demodulator_priv;
1149 dev_dbg(&state->priv->i2c->dev, "%s demod%d\n",
1150 __func__, state->demod);
1151 cx24117_release_priv(state->priv);
1152 kfree(state);
1153}
1154
1155static const struct dvb_frontend_ops cx24117_ops;
1156
1157struct dvb_frontend *cx24117_attach(const struct cx24117_config *config,
1158 struct i2c_adapter *i2c)
1159{
1160 struct cx24117_state *state = NULL;
1161 struct cx24117_priv *priv = NULL;
1162 int demod = 0;
1163
1164
1165 demod = cx24117_get_priv(&priv, i2c, config->demod_address);
1166
1167 switch (demod) {
1168 case 0:
1169 dev_err(&i2c->dev,
1170 "%s: Error attaching frontend %d\n",
1171 KBUILD_MODNAME, demod);
1172 goto error1;
1173 break;
1174 case 1:
1175
1176 priv->i2c = i2c;
1177 priv->demod_address = config->demod_address;
1178 mutex_init(&priv->fe_lock);
1179 break;
1180 default:
1181
1182 break;
1183 }
1184
1185
1186 state = kzalloc(sizeof(struct cx24117_state), GFP_KERNEL);
1187 if (state == NULL)
1188 goto error2;
1189
1190 state->demod = demod - 1;
1191 state->priv = priv;
1192
1193 dev_info(&state->priv->i2c->dev,
1194 "%s: Attaching frontend %d\n",
1195 KBUILD_MODNAME, state->demod);
1196
1197
1198 memcpy(&state->frontend.ops, &cx24117_ops,
1199 sizeof(struct dvb_frontend_ops));
1200 state->frontend.demodulator_priv = state;
1201 return &state->frontend;
1202
1203error2:
1204 cx24117_release_priv(priv);
1205error1:
1206 return NULL;
1207}
1208EXPORT_SYMBOL_GPL(cx24117_attach);
1209
1210
1211
1212
1213
1214
1215static int cx24117_initfe(struct dvb_frontend *fe)
1216{
1217 struct cx24117_state *state = fe->demodulator_priv;
1218 struct cx24117_cmd cmd;
1219 int ret;
1220
1221 dev_dbg(&state->priv->i2c->dev, "%s() demod%d\n",
1222 __func__, state->demod);
1223
1224 mutex_lock(&state->priv->fe_lock);
1225
1226
1227 cmd.args[0] = CMD_SET_SLEEPMODE;
1228 cmd.args[1] = (state->demod ? 1 : 0);
1229 cmd.args[2] = 0;
1230 cmd.len = 3;
1231 ret = cx24117_cmd_execute_nolock(fe, &cmd);
1232 if (ret != 0)
1233 goto exit;
1234
1235 ret = cx24117_diseqc_init(fe);
1236 if (ret != 0)
1237 goto exit;
1238
1239
1240 cmd.args[0] = CMD_BERCTRL;
1241 cmd.args[1] = (state->demod ? 1 : 0);
1242 cmd.args[2] = 0x10;
1243 cmd.args[3] = 0x10;
1244 cmd.len = 4;
1245 ret = cx24117_cmd_execute_nolock(fe, &cmd);
1246 if (ret != 0)
1247 goto exit;
1248
1249
1250 cmd.args[0] = CMD_ENABLERSCORR;
1251 cmd.args[1] = (state->demod ? 1 : 0);
1252 cmd.args[2] = CX24117_OCC;
1253 cmd.len = 3;
1254 ret = cx24117_cmd_execute_nolock(fe, &cmd);
1255 if (ret != 0)
1256 goto exit;
1257
1258
1259
1260 cmd.args[0] = CMD_SET_GPIODIR;
1261 cmd.args[1] = 0x30;
1262 cmd.args[2] = 0x30;
1263 cmd.len = 3;
1264 ret = cx24117_cmd_execute_nolock(fe, &cmd);
1265
1266exit:
1267 mutex_unlock(&state->priv->fe_lock);
1268
1269 return ret;
1270}
1271
1272
1273
1274
1275static int cx24117_sleep(struct dvb_frontend *fe)
1276{
1277 struct cx24117_state *state = fe->demodulator_priv;
1278 struct cx24117_cmd cmd;
1279
1280 dev_dbg(&state->priv->i2c->dev, "%s() demod%d\n",
1281 __func__, state->demod);
1282
1283
1284 cmd.args[0] = CMD_SET_SLEEPMODE;
1285 cmd.args[1] = (state->demod ? 1 : 0);
1286 cmd.args[2] = 1;
1287 cmd.len = 3;
1288 return cx24117_cmd_execute(fe, &cmd);
1289}
1290
1291
1292
1293
1294static int cx24117_set_frontend(struct dvb_frontend *fe)
1295{
1296 struct cx24117_state *state = fe->demodulator_priv;
1297 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
1298 struct cx24117_cmd cmd;
1299 enum fe_status tunerstat;
1300 int i, status, ret, retune = 1;
1301 u8 reg_clkdiv, reg_ratediv;
1302
1303 dev_dbg(&state->priv->i2c->dev, "%s() demod%d\n",
1304 __func__, state->demod);
1305
1306 switch (c->delivery_system) {
1307 case SYS_DVBS:
1308 dev_dbg(&state->priv->i2c->dev, "%s() demod%d DVB-S\n",
1309 __func__, state->demod);
1310
1311
1312 if (c->modulation != QPSK) {
1313 dev_dbg(&state->priv->i2c->dev,
1314 "%s() demod%d unsupported modulation (%d)\n",
1315 __func__, state->demod, c->modulation);
1316 return -EINVAL;
1317 }
1318
1319
1320 state->dnxt.pilot_val = CX24117_PILOT_OFF;
1321
1322
1323 state->dnxt.rolloff_val = CX24117_ROLLOFF_035;
1324 break;
1325
1326 case SYS_DVBS2:
1327 dev_dbg(&state->priv->i2c->dev, "%s() demod%d DVB-S2\n",
1328 __func__, state->demod);
1329
1330
1331
1332
1333
1334 if (c->modulation != PSK_8 && c->modulation != QPSK) {
1335 dev_dbg(&state->priv->i2c->dev,
1336 "%s() demod%d unsupported modulation (%d)\n",
1337 __func__, state->demod, c->modulation);
1338 return -EOPNOTSUPP;
1339 }
1340
1341 switch (c->pilot) {
1342 case PILOT_AUTO:
1343 state->dnxt.pilot_val = CX24117_PILOT_AUTO;
1344 break;
1345 case PILOT_OFF:
1346 state->dnxt.pilot_val = CX24117_PILOT_OFF;
1347 break;
1348 case PILOT_ON:
1349 state->dnxt.pilot_val = CX24117_PILOT_ON;
1350 break;
1351 default:
1352 dev_dbg(&state->priv->i2c->dev,
1353 "%s() demod%d unsupported pilot mode (%d)\n",
1354 __func__, state->demod, c->pilot);
1355 return -EOPNOTSUPP;
1356 }
1357
1358 switch (c->rolloff) {
1359 case ROLLOFF_20:
1360 state->dnxt.rolloff_val = CX24117_ROLLOFF_020;
1361 break;
1362 case ROLLOFF_25:
1363 state->dnxt.rolloff_val = CX24117_ROLLOFF_025;
1364 break;
1365 case ROLLOFF_35:
1366 state->dnxt.rolloff_val = CX24117_ROLLOFF_035;
1367 break;
1368 case ROLLOFF_AUTO:
1369 state->dnxt.rolloff_val = CX24117_ROLLOFF_035;
1370
1371 retune = 3;
1372 break;
1373 default:
1374 dev_warn(&state->priv->i2c->dev,
1375 "%s: demod%d unsupported rolloff (%d)\n",
1376 KBUILD_MODNAME, state->demod, c->rolloff);
1377 return -EOPNOTSUPP;
1378 }
1379 break;
1380
1381 default:
1382 dev_warn(&state->priv->i2c->dev,
1383 "%s: demod %d unsupported delivery system (%d)\n",
1384 KBUILD_MODNAME, state->demod, c->delivery_system);
1385 return -EINVAL;
1386 }
1387
1388 state->dnxt.delsys = c->delivery_system;
1389 state->dnxt.modulation = c->modulation;
1390 state->dnxt.frequency = c->frequency;
1391 state->dnxt.pilot = c->pilot;
1392 state->dnxt.rolloff = c->rolloff;
1393
1394 ret = cx24117_set_inversion(state, c->inversion);
1395 if (ret != 0)
1396 return ret;
1397
1398 ret = cx24117_set_fec(state,
1399 c->delivery_system, c->modulation, c->fec_inner);
1400 if (ret != 0)
1401 return ret;
1402
1403 ret = cx24117_set_symbolrate(state, c->symbol_rate);
1404 if (ret != 0)
1405 return ret;
1406
1407
1408 cx24117_clone_params(fe);
1409
1410 dev_dbg(&state->priv->i2c->dev,
1411 "%s: delsys = %d\n", __func__, state->dcur.delsys);
1412 dev_dbg(&state->priv->i2c->dev,
1413 "%s: modulation = %d\n", __func__, state->dcur.modulation);
1414 dev_dbg(&state->priv->i2c->dev,
1415 "%s: frequency = %d\n", __func__, state->dcur.frequency);
1416 dev_dbg(&state->priv->i2c->dev,
1417 "%s: pilot = %d (val = 0x%02x)\n", __func__,
1418 state->dcur.pilot, state->dcur.pilot_val);
1419 dev_dbg(&state->priv->i2c->dev,
1420 "%s: retune = %d\n", __func__, retune);
1421 dev_dbg(&state->priv->i2c->dev,
1422 "%s: rolloff = %d (val = 0x%02x)\n", __func__,
1423 state->dcur.rolloff, state->dcur.rolloff_val);
1424 dev_dbg(&state->priv->i2c->dev,
1425 "%s: symbol_rate = %d\n", __func__, state->dcur.symbol_rate);
1426 dev_dbg(&state->priv->i2c->dev,
1427 "%s: FEC = %d (mask/val = 0x%02x/0x%02x)\n", __func__,
1428 state->dcur.fec, state->dcur.fec_mask, state->dcur.fec_val);
1429 dev_dbg(&state->priv->i2c->dev,
1430 "%s: Inversion = %d (val = 0x%02x)\n", __func__,
1431 state->dcur.inversion, state->dcur.inversion_val);
1432
1433
1434 cmd.args[0] = CMD_TUNEREQUEST;
1435
1436
1437 cmd.args[1] = state->demod;
1438
1439
1440 cmd.args[2] = (state->dcur.frequency & 0xff0000) >> 16;
1441 cmd.args[3] = (state->dcur.frequency & 0x00ff00) >> 8;
1442 cmd.args[4] = (state->dcur.frequency & 0x0000ff);
1443
1444
1445 cmd.args[5] = ((state->dcur.symbol_rate / 1000) & 0xff00) >> 8;
1446 cmd.args[6] = ((state->dcur.symbol_rate / 1000) & 0x00ff);
1447
1448
1449 cmd.args[7] = state->dcur.inversion_val;
1450
1451
1452 cmd.args[8] = state->dcur.fec_val | state->dcur.pilot_val;
1453
1454 cmd.args[9] = CX24117_SEARCH_RANGE_KHZ >> 8;
1455 cmd.args[10] = CX24117_SEARCH_RANGE_KHZ & 0xff;
1456
1457 cmd.args[11] = state->dcur.rolloff_val;
1458 cmd.args[12] = state->dcur.fec_mask;
1459
1460 if (state->dcur.symbol_rate > 30000000) {
1461 reg_ratediv = 0x04;
1462 reg_clkdiv = 0x02;
1463 } else if (state->dcur.symbol_rate > 10000000) {
1464 reg_ratediv = 0x06;
1465 reg_clkdiv = 0x03;
1466 } else {
1467 reg_ratediv = 0x0a;
1468 reg_clkdiv = 0x05;
1469 }
1470
1471 cmd.args[13] = reg_ratediv;
1472 cmd.args[14] = reg_clkdiv;
1473
1474 cx24117_writereg(state, (state->demod == 0) ?
1475 CX24117_REG_CLKDIV0 : CX24117_REG_CLKDIV1, reg_clkdiv);
1476 cx24117_writereg(state, (state->demod == 0) ?
1477 CX24117_REG_RATEDIV0 : CX24117_REG_RATEDIV1, reg_ratediv);
1478
1479 cmd.args[15] = CX24117_PNE;
1480 cmd.len = 16;
1481
1482 do {
1483
1484 status = cx24117_readreg(state, (state->demod == 0) ?
1485 CX24117_REG_SSTATUS0 : CX24117_REG_SSTATUS1) &
1486 CX24117_SIGNAL_MASK;
1487
1488 dev_dbg(&state->priv->i2c->dev,
1489 "%s() demod%d status_setfe = %02x\n",
1490 __func__, state->demod, status);
1491
1492 cx24117_writereg(state, (state->demod == 0) ?
1493 CX24117_REG_SSTATUS0 : CX24117_REG_SSTATUS1, status);
1494
1495
1496 ret = cx24117_cmd_execute(fe, &cmd);
1497 if (ret != 0)
1498 break;
1499
1500
1501
1502
1503
1504
1505
1506 for (i = 0; i < 50; i++) {
1507 cx24117_read_status(fe, &tunerstat);
1508 status = tunerstat & (FE_HAS_SIGNAL | FE_HAS_SYNC);
1509 if (status == (FE_HAS_SIGNAL | FE_HAS_SYNC)) {
1510 dev_dbg(&state->priv->i2c->dev,
1511 "%s() demod%d tuned\n",
1512 __func__, state->demod);
1513 return 0;
1514 }
1515 msleep(20);
1516 }
1517
1518 dev_dbg(&state->priv->i2c->dev, "%s() demod%d not tuned\n",
1519 __func__, state->demod);
1520
1521
1522 if (state->dcur.rolloff == 3)
1523 cmd.args[11]--;
1524
1525 } while (--retune);
1526 return -EINVAL;
1527}
1528
1529static int cx24117_tune(struct dvb_frontend *fe, bool re_tune,
1530 unsigned int mode_flags, unsigned int *delay, enum fe_status *status)
1531{
1532 struct cx24117_state *state = fe->demodulator_priv;
1533
1534 dev_dbg(&state->priv->i2c->dev, "%s() demod%d\n",
1535 __func__, state->demod);
1536
1537 *delay = HZ / 5;
1538 if (re_tune) {
1539 int ret = cx24117_set_frontend(fe);
1540 if (ret)
1541 return ret;
1542 }
1543 return cx24117_read_status(fe, status);
1544}
1545
1546static enum dvbfe_algo cx24117_get_algo(struct dvb_frontend *fe)
1547{
1548 return DVBFE_ALGO_HW;
1549}
1550
1551static int cx24117_get_frontend(struct dvb_frontend *fe,
1552 struct dtv_frontend_properties *c)
1553{
1554 struct cx24117_state *state = fe->demodulator_priv;
1555 struct cx24117_cmd cmd;
1556 u8 reg, st, inv;
1557 int ret, idx;
1558 unsigned int freq;
1559 short srate_os, freq_os;
1560
1561 u8 buf[0x1f-4];
1562
1563
1564 cmd.args[0] = CMD_GETCTLACC;
1565 cmd.args[1] = (u8) state->demod;
1566 cmd.len = 2;
1567 ret = cx24117_cmd_execute(fe, &cmd);
1568 if (ret != 0)
1569 return ret;
1570
1571
1572 reg = (state->demod == 0) ? CX24117_REG_FREQ3_0 : CX24117_REG_FREQ3_1;
1573 ret = cx24117_readregN(state, reg, buf, 0x1f-4);
1574 if (ret != 0)
1575 return ret;
1576
1577 st = buf[5];
1578
1579
1580 inv = (((state->demod == 0) ? ~st : st) >> 6) & 1;
1581 if (inv == 0)
1582 c->inversion = INVERSION_OFF;
1583 else
1584 c->inversion = INVERSION_ON;
1585
1586
1587 idx = st & 0x3f;
1588 if (c->delivery_system == SYS_DVBS2) {
1589 if (idx > 11)
1590 idx += 9;
1591 else
1592 idx += 7;
1593 }
1594
1595 c->modulation = cx24117_modfec_modes[idx].modulation;
1596 c->fec_inner = cx24117_modfec_modes[idx].fec;
1597
1598
1599 freq = (buf[0] << 16) | (buf[1] << 8) | buf[2];
1600 freq_os = (buf[8] << 8) | buf[9];
1601 c->frequency = freq + freq_os;
1602
1603
1604 srate_os = (buf[10] << 8) | buf[11];
1605 c->symbol_rate = -1000 * srate_os + state->dcur.symbol_rate;
1606 return 0;
1607}
1608
1609static const struct dvb_frontend_ops cx24117_ops = {
1610 .delsys = { SYS_DVBS, SYS_DVBS2 },
1611 .info = {
1612 .name = "Conexant CX24117/CX24132",
1613 .frequency_min_hz = 950 * MHz,
1614 .frequency_max_hz = 2150 * MHz,
1615 .frequency_stepsize_hz = 1011 * kHz,
1616 .frequency_tolerance_hz = 5 * MHz,
1617 .symbol_rate_min = 1000000,
1618 .symbol_rate_max = 45000000,
1619 .caps = FE_CAN_INVERSION_AUTO |
1620 FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
1621 FE_CAN_FEC_4_5 | FE_CAN_FEC_5_6 | FE_CAN_FEC_6_7 |
1622 FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
1623 FE_CAN_2G_MODULATION |
1624 FE_CAN_QPSK | FE_CAN_RECOVER
1625 },
1626
1627 .release = cx24117_release,
1628
1629 .init = cx24117_initfe,
1630 .sleep = cx24117_sleep,
1631 .read_status = cx24117_read_status,
1632 .read_ber = cx24117_read_ber,
1633 .read_signal_strength = cx24117_read_signal_strength,
1634 .read_snr = cx24117_read_snr,
1635 .read_ucblocks = cx24117_read_ucblocks,
1636 .set_tone = cx24117_set_tone,
1637 .set_voltage = cx24117_set_voltage,
1638 .diseqc_send_master_cmd = cx24117_send_diseqc_msg,
1639 .diseqc_send_burst = cx24117_diseqc_send_burst,
1640 .get_frontend_algo = cx24117_get_algo,
1641 .tune = cx24117_tune,
1642
1643 .set_frontend = cx24117_set_frontend,
1644 .get_frontend = cx24117_get_frontend,
1645};
1646
1647
1648MODULE_DESCRIPTION("DVB Frontend module for Conexant cx24117/cx24132 hardware");
1649MODULE_AUTHOR("Luis Alves (ljalvs@gmail.com)");
1650MODULE_LICENSE("GPL");
1651MODULE_VERSION("1.1");
1652MODULE_FIRMWARE(CX24117_DEFAULT_FIRMWARE);
1653
1654