2     cx24110 - Single Chip Satellite Channel Receiver driver module
4     Copyright (C) 2002 Peter Hettkamp <peter.hettkamp@htp-tel.de> based on
87 		      /* leave front-end AGC parameters at default values */
88 		      /* leave decimation AGC parameters at default values */
95 	 {0x41,0x00}, /* @ MSB of front-end derotator frequency */
103 	 {0x61,0x95}, /* GPIO pins 1-4 have special function */
119 	struct i2c_msg msg = { .addr = state->config->demod_address, .flags = 0, .buf = buf, .len = 2 };  in cx24110_writereg()
122 	if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) {  in cx24110_writereg()
125 		return -EREMOTEIO;  in cx24110_writereg()
136 …struct i2c_msg msg [] = { { .addr = state->config->demod_address, .flags = 0, .buf = b0, .len = 1 …  in cx24110_readreg()
137 			   { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b1, .len = 1 } };  in cx24110_readreg()
139 	ret = i2c_transfer(state->i2c, msg, 2);  in cx24110_readreg()
159 		/* The cx24110 manual tells us this reg is read-only.  in cx24110_set_inversion()
175 		return -EINVAL;  in cx24110_set_inversion()
183 	static const int rate[FEC_AUTO] = {-1,    1,    2,    3,    5,    7, -1};  in cx24110_set_fec()
184 	static const int g1[FEC_AUTO]   = {-1, 0x01, 0x02, 0x05, 0x15, 0x45, -1};  in cx24110_set_fec()
185 	static const int g2[FEC_AUTO]   = {-1, 0x01, 0x03, 0x06, 0x1a, 0x7a, -1};  in cx24110_set_fec()
188 	   searches all enabled viterbi rates, and can handle non-standard  in cx24110_set_fec()
194 	if (fec == FEC_AUTO) { /* (re-)establish AutoAcq behaviour */  in cx24110_set_fec()
211 			return -EINVAL;  in cx24110_set_fec()
230 		return FEC_1_2 + i - 1;  in cx24110_get_fec()
243 	u32 ratio;  in cx24110_set_symbolrate()  local
289 	ratio=(tmp/BDRI);  in cx24110_set_symbolrate()
292 	ratio=(ratio<<8)+(tmp/BDRI);  in cx24110_set_symbolrate()
295 	ratio=(ratio<<8)+(tmp/BDRI);  in cx24110_set_symbolrate()
298 	ratio=(ratio<<1)+(tmp/BDRI);  in cx24110_set_symbolrate()
302 	dprintk("ratio= %08x\n", ratio);  in cx24110_set_symbolrate()
304 	cx24110_writereg(state, 0x1, (ratio>>16)&0xff);  in cx24110_set_symbolrate()
305 	cx24110_writereg(state, 0x2, (ratio>>8)&0xff);  in cx24110_set_symbolrate()
306 	cx24110_writereg(state, 0x3, (ratio)&0xff);  in cx24110_set_symbolrate()
314 	struct cx24110_state *state = fe->demodulator_priv;  in _cx24110_pll_write()
317 		return -EINVAL;  in _cx24110_pll_write()
319 /* tuner data is 21 bits long, must be left-aligned in data */  in _cx24110_pll_write()
356 	struct cx24110_state *state = fe->demodulator_priv;  in cx24110_initfe()
372 	struct cx24110_state *state = fe->demodulator_priv;  in cx24110_set_voltage()
380 		return -EINVAL;  in cx24110_set_voltage()
388 	struct cx24110_state *state = fe->demodulator_priv;  in cx24110_diseqc_send_burst()
396 		return -EINVAL;  in cx24110_diseqc_send_burst()
415 	struct cx24110_state *state = fe->demodulator_priv;  in cx24110_send_diseqc_msg()
418 	if (cmd->msg_len < 3 || cmd->msg_len > 6)  in cx24110_send_diseqc_msg()
419 		return -EINVAL;  /* not implemented */  in cx24110_send_diseqc_msg()
421 	for (i = 0; i < cmd->msg_len; i++)  in cx24110_send_diseqc_msg()
422 		cx24110_writereg(state, 0x79 + i, cmd->msg[i]);  in cx24110_send_diseqc_msg()
432 	cx24110_writereg(state, 0x76, ((rv & 0x90) | 0x40) | ((cmd->msg_len-3) & 3));  in cx24110_send_diseqc_msg()
443 	struct cx24110_state *state = fe->demodulator_priv;  in cx24110_read_status()
471 	struct cx24110_state *state = fe->demodulator_priv;  in cx24110_read_ber()
477 		state->lastber=cx24110_readreg(state,0x25)|  in cx24110_read_ber()
482 	*ber = state->lastber;  in cx24110_read_ber()
489 	struct cx24110_state *state = fe->demodulator_priv;  in cx24110_read_signal_strength()
500 	struct cx24110_state *state = fe->demodulator_priv;  in cx24110_read_snr()
505 		state->lastesn0=cx24110_readreg(state,0x69)|  in cx24110_read_snr()
509 	*snr = state->lastesn0;  in cx24110_read_snr()
516 	struct cx24110_state *state = fe->demodulator_priv;  in cx24110_read_ucblocks()
525 		state->lastbler=cx24110_readreg(state,0x12)|  in cx24110_read_ucblocks()
530 	*ucblocks = state->lastbler;  in cx24110_read_ucblocks()
537 	struct cx24110_state *state = fe->demodulator_priv;  in cx24110_set_frontend()
538 	struct dtv_frontend_properties *p = &fe->dtv_property_cache;  in cx24110_set_frontend()
540 	if (fe->ops.tuner_ops.set_params) {  in cx24110_set_frontend()
541 		fe->ops.tuner_ops.set_params(fe);  in cx24110_set_frontend()
542 		if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0);  in cx24110_set_frontend()
545 	cx24110_set_inversion(state, p->inversion);  in cx24110_set_frontend()
546 	cx24110_set_fec(state, p->fec_inner);  in cx24110_set_frontend()
547 	cx24110_set_symbolrate(state, p->symbol_rate);  in cx24110_set_frontend()
556 	struct cx24110_state *state = fe->demodulator_priv;  in cx24110_get_frontend()
573 	p->frequency += afc;  in cx24110_get_frontend()
574 	p->inversion = (cx24110_readreg (state, 0x22) & 0x10) ?  in cx24110_get_frontend()
576 	p->fec_inner = cx24110_get_fec(state);  in cx24110_get_frontend()
584 	struct cx24110_state *state = fe->demodulator_priv;  in cx24110_set_tone()
591 	struct cx24110_state* state = fe->demodulator_priv;  in cx24110_release()
608 	state->config = config;  in cx24110_attach()
609 	state->i2c = i2c;  in cx24110_attach()
610 	state->lastber = 0;  in cx24110_attach()
611 	state->lastbler = 0;  in cx24110_attach()
612 	state->lastesn0 = 0;  in cx24110_attach()
619 	memcpy(&state->frontend.ops, &cx24110_ops, sizeof(struct dvb_frontend_ops));  in cx24110_attach()
620 	state->frontend.demodulator_priv = state;  in cx24110_attach()
621 	return &state->frontend;  in cx24110_attach()
631 		.name = "Conexant CX24110 DVB-S",
665 MODULE_DESCRIPTION("Conexant CX24110 DVB-S Demodulator driver");