Lines Matching refs:state
91 {0x37,0x00}, /* @ fully enable AutoAcqq state machine */
116 static int cx24110_writereg (struct cx24110_state* state, int reg, int data)
119 struct i2c_msg msg = { .addr = state->config->demod_address, .flags = 0, .buf = buf, .len = 2 };
122 if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) {
131 static int cx24110_readreg (struct cx24110_state* state, u8 reg)
136 struct i2c_msg msg [] = { { .addr = state->config->demod_address, .flags = 0, .buf = b0, .len = 1 },
137 { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b1, .len = 1 } };
139 ret = i2c_transfer(state->i2c, msg, 2);
146 static int cx24110_set_inversion (struct cx24110_state* state, fe_spectral_inversion_t inversion)
151 cx24110_writereg(state,0x37,cx24110_readreg(state,0x37)|0x1);
153 cx24110_writereg(state,0x5,cx24110_readreg(state,0x5)&0xf7);
155 cx24110_writereg(state,0x22,cx24110_readreg(state,0x22)&0xef);
161 cx24110_writereg(state,0x37,cx24110_readreg(state,0x37)|0x1);
163 cx24110_writereg(state,0x5,cx24110_readreg(state,0x5)|0x08);
165 cx24110_writereg(state,0x22,cx24110_readreg(state,0x22)|0x10);
169 cx24110_writereg(state,0x37,cx24110_readreg(state,0x37)&0xfe);
179 static int cx24110_set_fec (struct cx24110_state* state, fe_code_rate_t fec)
194 cx24110_writereg(state,0x37,cx24110_readreg(state,0x37)&0xdf);
196 cx24110_writereg(state,0x18,0xae);
198 cx24110_writereg(state,0x05,(cx24110_readreg(state,0x05)&0xf0)|0x3);
200 cx24110_writereg(state,0x22,(cx24110_readreg(state,0x22)&0xf0)|0x3);
202 cx24110_writereg(state,0x1a,0x05); cx24110_writereg(state,0x1b,0x06);
206 cx24110_writereg(state,0x37,cx24110_readreg(state,0x37)|0x20);
209 cx24110_writereg(state,0x05,(cx24110_readreg(state,0x05)&0xf0)|rate[fec]);
211 cx24110_writereg(state,0x22,(cx24110_readreg(state,0x22)&0xf0)|rate[fec]);
213 cx24110_writereg(state,0x1a,g1[fec]);
214 cx24110_writereg(state,0x1b,g2[fec]);
222 static fe_code_rate_t cx24110_get_fec (struct cx24110_state* state)
226 i=cx24110_readreg(state,0x22)&0x0f;
234 static int cx24110_set_symbolrate (struct cx24110_state* state, u32 srate)
253 tmp=cx24110_readreg(state,0x07)&0xfc;
255 cx24110_writereg(state,0x07,tmp);
256 cx24110_writereg(state,0x06,0x78);
259 cx24110_writereg(state,0x07,tmp|0x1);
260 cx24110_writereg(state,0x06,0xa5);
263 cx24110_writereg(state,0x07,tmp|0x2);
264 cx24110_writereg(state,0x06,0x87);
267 cx24110_writereg(state,0x07,tmp|0x3);
268 cx24110_writereg(state,0x06,0x78);
297 cx24110_writereg(state, 0x1, (ratio>>16)&0xff);
298 cx24110_writereg(state, 0x2, (ratio>>8)&0xff);
299 cx24110_writereg(state, 0x3, (ratio)&0xff);
307 struct cx24110_state *state = fe->demodulator_priv;
315 cx24110_writereg(state,0x6d,0x30); /* auto mode at 62kHz */
316 cx24110_writereg(state,0x70,0x15); /* auto mode 21 bits */
319 while (cx24110_readreg(state,0x6d)&0x80)
320 cx24110_writereg(state,0x72,0);
323 cx24110_writereg(state,0x72,buf[0]);
326 while ((cx24110_readreg(state,0x6d)&0xc0)==0x80)
330 cx24110_writereg(state,0x72,buf[1]);
331 while ((cx24110_readreg(state,0x6d)&0xc0)==0x80)
335 cx24110_writereg(state,0x72,buf[2]);
336 while ((cx24110_readreg(state,0x6d)&0xc0)==0x80)
340 cx24110_writereg(state,0x6d,0x32);
341 cx24110_writereg(state,0x6d,0x30);
348 struct cx24110_state *state = fe->demodulator_priv;
354 cx24110_writereg(state, cx24110_regdata[i].reg, cx24110_regdata[i].data);
362 struct cx24110_state *state = fe->demodulator_priv;
366 return cx24110_writereg(state,0x76,(cx24110_readreg(state,0x76)&0x3b)|0xc0);
368 return cx24110_writereg(state,0x76,(cx24110_readreg(state,0x76)&0x3b)|0x40);
377 struct cx24110_state *state = fe->demodulator_priv;
387 rv = cx24110_readreg(state, 0x77);
389 cx24110_writereg(state, 0x77, rv | 0x04);
391 rv = cx24110_readreg(state, 0x76);
392 cx24110_writereg(state, 0x76, ((rv & 0x90) | 0x40 | bit));
394 while (!time_after(jiffies, timeout) && !(cx24110_readreg(state, 0x76) & 0x40))
404 struct cx24110_state *state = fe->demodulator_priv;
411 cx24110_writereg(state, 0x79 + i, cmd->msg[i]);
413 rv = cx24110_readreg(state, 0x77);
415 cx24110_writereg(state, 0x77, rv & ~0x04);
419 rv = cx24110_readreg(state, 0x76);
421 cx24110_writereg(state, 0x76, ((rv & 0x90) | 0x40) | ((cmd->msg_len-3) & 3));
423 while (!time_after(jiffies, timeout) && !(cx24110_readreg(state, 0x76) & 0x40))
431 struct cx24110_state *state = fe->demodulator_priv;
433 int sync = cx24110_readreg (state, 0x55);
443 sync = cx24110_readreg (state, 0x08);
459 struct cx24110_state *state = fe->demodulator_priv;
461 if(cx24110_readreg(state,0x24)&0x10) {
463 cx24110_writereg(state,0x24,0x04); /* select the ber reg */
464 state->lastber=cx24110_readreg(state,0x25)|
465 (cx24110_readreg(state,0x26)<<8);
466 cx24110_writereg(state,0x24,0x04); /* start new count window */
467 cx24110_writereg(state,0x24,0x14);
469 *ber = state->lastber;
476 struct cx24110_state *state = fe->demodulator_priv;
479 u8 signal = cx24110_readreg (state, 0x27)+128;
487 struct cx24110_state *state = fe->demodulator_priv;
490 if(cx24110_readreg(state,0x6a)&0x80) {
492 state->lastesn0=cx24110_readreg(state,0x69)|
493 (cx24110_readreg(state,0x68)<<8);
494 cx24110_writereg(state,0x6a,0x84); /* start new count window */
496 *snr = state->lastesn0;
503 struct cx24110_state *state = fe->demodulator_priv;
506 if(cx24110_readreg(state,0x10)&0x40) {
508 cx24110_writereg(state,0x10,0x60); /* select the byer reg */
509 lastbyer=cx24110_readreg(state,0x12)|
510 (cx24110_readreg(state,0x13)<<8)|
511 (cx24110_readreg(state,0x14)<<16);
512 cx24110_writereg(state,0x10,0x70); /* select the bler reg */
513 state->lastbler=cx24110_readreg(state,0x12)|
514 (cx24110_readreg(state,0x13)<<8)|
515 (cx24110_readreg(state,0x14)<<16);
516 cx24110_writereg(state,0x10,0x20); /* start new count window */
518 *ucblocks = state->lastbler;
525 struct cx24110_state *state = fe->demodulator_priv;
533 cx24110_set_inversion (state, p->inversion);
534 cx24110_set_fec (state, p->u.qpsk.fec_inner);
535 cx24110_set_symbolrate (state, p->u.qpsk.symbol_rate);
536 cx24110_writereg(state,0x04,0x05); /* start aquisition */
543 struct cx24110_state *state = fe->demodulator_priv;
548 sclk = cx24110_readreg (state, 0x07) & 0x03;
556 afc = sclk*(cx24110_readreg (state, 0x44)&0x1f)+
557 ((sclk*cx24110_readreg (state, 0x45))>>8)+
558 ((sclk*cx24110_readreg (state, 0x46))>>16);
561 p->inversion = (cx24110_readreg (state, 0x22) & 0x10) ?
563 p->u.qpsk.fec_inner = cx24110_get_fec (state);
570 struct cx24110_state *state = fe->demodulator_priv;
572 return cx24110_writereg(state,0x76,(cx24110_readreg(state,0x76)&~0x10)|(((tone==SEC_TONE_ON))?0x10:0));
577 struct cx24110_state* state = fe->demodulator_priv;
578 kfree(state);
586 struct cx24110_state* state = NULL;
589 /* allocate memory for the internal state */
590 state = kzalloc(sizeof(struct cx24110_state), GFP_KERNEL);
591 if (state == NULL) goto error;
593 /* setup the state */
594 state->config = config;
595 state->i2c = i2c;
596 state->lastber = 0;
597 state->lastbler = 0;
598 state->lastesn0 = 0;
601 ret = cx24110_readreg(state, 0x00);
605 memcpy(&state->frontend.ops, &cx24110_ops, sizeof(struct dvb_frontend_ops));
606 state->frontend.demodulator_priv = state;
607 return &state->frontend;
610 kfree(state);