245 static int cx24123_i2c_writereg(struct cx24123_state *state,  in cx24123_i2c_writereg()  argument
256 	err = i2c_transfer(state->i2c, &msg, 1);  in cx24123_i2c_writereg()
266 static int cx24123_i2c_readreg(struct cx24123_state *state, u8 i2c_addr, u8 reg)  in cx24123_i2c_readreg()  argument
275 	ret = i2c_transfer(state->i2c, msg, 2);  in cx24123_i2c_readreg()
287 #define cx24123_readreg(state, reg) \  argument
288 	cx24123_i2c_readreg(state, state->config->demod_address, reg)
289 #define cx24123_writereg(state, reg, val) \  argument
290 	cx24123_i2c_writereg(state, state->config->demod_address, reg, val)
292 static int cx24123_set_inversion(struct cx24123_state *state,  in cx24123_set_inversion()  argument
295 	u8 nom_reg = cx24123_readreg(state, 0x0e);  in cx24123_set_inversion()
296 	u8 auto_reg = cx24123_readreg(state, 0x10);  in cx24123_set_inversion()
301 		cx24123_writereg(state, 0x0e, nom_reg & ~0x80);  in cx24123_set_inversion()
302 		cx24123_writereg(state, 0x10, auto_reg | 0x80);  in cx24123_set_inversion()
306 		cx24123_writereg(state, 0x0e, nom_reg | 0x80);  in cx24123_set_inversion()
307 		cx24123_writereg(state, 0x10, auto_reg | 0x80);  in cx24123_set_inversion()
311 		cx24123_writereg(state, 0x10, auto_reg & ~0x80);  in cx24123_set_inversion()
320 static int cx24123_get_inversion(struct cx24123_state *state,  in cx24123_get_inversion()  argument
325 	val = cx24123_readreg(state, 0x1b) >> 7;  in cx24123_get_inversion()
338 static int cx24123_set_fec(struct cx24123_state *state, fe_code_rate_t fec)  in cx24123_set_fec()  argument
340 	u8 nom_reg = cx24123_readreg(state, 0x0e) & ~0x07;  in cx24123_set_fec()
347 		cx24123_writereg(state, 0x43,  in cx24123_set_fec()
348 			cx24123_readreg(state, 0x43) | 0x01);  in cx24123_set_fec()
350 		cx24123_writereg(state, 0x43,  in cx24123_set_fec()
351 			cx24123_readreg(state, 0x43) & ~0x01);  in cx24123_set_fec()
356 		cx24123_writereg(state, 0x0e, nom_reg | 0x01);  in cx24123_set_fec()
357 		cx24123_writereg(state, 0x0f, 0x02);  in cx24123_set_fec()
361 		cx24123_writereg(state, 0x0e, nom_reg | 0x02);  in cx24123_set_fec()
362 		cx24123_writereg(state, 0x0f, 0x04);  in cx24123_set_fec()
366 		cx24123_writereg(state, 0x0e, nom_reg | 0x03);  in cx24123_set_fec()
367 		cx24123_writereg(state, 0x0f, 0x08);  in cx24123_set_fec()
371 		cx24123_writereg(state, 0x0e, nom_reg | 0x04);  in cx24123_set_fec()
372 		cx24123_writereg(state, 0x0f, 0x10);  in cx24123_set_fec()
376 		cx24123_writereg(state, 0x0e, nom_reg | 0x05);  in cx24123_set_fec()
377 		cx24123_writereg(state, 0x0f, 0x20);  in cx24123_set_fec()
381 		cx24123_writereg(state, 0x0e, nom_reg | 0x06);  in cx24123_set_fec()
382 		cx24123_writereg(state, 0x0f, 0x40);  in cx24123_set_fec()
386 		cx24123_writereg(state, 0x0e, nom_reg | 0x07);  in cx24123_set_fec()
387 		cx24123_writereg(state, 0x0f, 0x80);  in cx24123_set_fec()
391 		cx24123_writereg(state, 0x0f, 0xfe);  in cx24123_set_fec()
400 static int cx24123_get_fec(struct cx24123_state *state, fe_code_rate_t *fec)  in cx24123_get_fec()  argument
404 	ret = cx24123_readreg(state, 0x1b);  in cx24123_get_fec()
454 static int cx24123_set_symbolrate(struct cx24123_state *state, u32 srate)  in cx24123_set_symbolrate()  argument
461 	if ((srate > state->frontend.ops.info.symbol_rate_max) ||  in cx24123_set_symbolrate()
462 	    (srate < state->frontend.ops.info.symbol_rate_min))  in cx24123_set_symbolrate()
493 	cx24123_writereg(state, 0x01, pll_mult * 6);  in cx24123_set_symbolrate()
495 	cx24123_writereg(state, 0x08, (ratio >> 16) & 0x3f);  in cx24123_set_symbolrate()
496 	cx24123_writereg(state, 0x09, (ratio >> 8) & 0xff);  in cx24123_set_symbolrate()
497 	cx24123_writereg(state, 0x0a, ratio & 0xff);  in cx24123_set_symbolrate()
501 	tmp = cx24123_readreg(state, 0x0c) & ~0xe0;  in cx24123_set_symbolrate()
502 	cx24123_writereg(state, 0x0c, tmp | sample_gain << 5);  in cx24123_set_symbolrate()
518 	struct cx24123_state *state = fe->demodulator_priv;  in cx24123_pll_calculate()  local
528 	state->VCAarg = cx24123_AGC_vals[0].VCAprogdata;  in cx24123_pll_calculate()
529 	state->VGAarg = cx24123_AGC_vals[0].VGAprogdata;  in cx24123_pll_calculate()
530 	state->bandselectarg = cx24123_bandselect_vals[0].progdata;  in cx24123_pll_calculate()
539 			state->VCAarg = agcv->VCAprogdata;  in cx24123_pll_calculate()
540 			state->VGAarg = agcv->VGAprogdata;  in cx24123_pll_calculate()
541 			state->FILTune = agcv->FILTune;  in cx24123_pll_calculate()
556 	state->bandselectarg = cx24123_bandselect_vals[band].progdata;  in cx24123_pll_calculate()
579 	state->pllarg = (3 << 19) | (3 << 17) | (1 << 16) |  in cx24123_pll_calculate()
592 	struct cx24123_state *state = fe->demodulator_priv;  in cx24123_pll_writereg()  local
601 	cx24123_writereg(state, 0x21, 0x15);  in cx24123_pll_writereg()
605 	cx24123_writereg(state, 0x22, (data >> 16) & 0xff);  in cx24123_pll_writereg()
606 	while ((cx24123_readreg(state, 0x20) & 0x40) == 0) {  in cx24123_pll_writereg()
617 	cx24123_writereg(state, 0x22, (data >> 8) & 0xff);  in cx24123_pll_writereg()
618 	while ((cx24123_readreg(state, 0x20) & 0x40) == 0) {  in cx24123_pll_writereg()
630 	cx24123_writereg(state, 0x22, (data) & 0xff);  in cx24123_pll_writereg()
631 	while ((cx24123_readreg(state, 0x20) & 0x80)) {  in cx24123_pll_writereg()
641 	cx24123_writereg(state, 0x20, cx24123_readreg(state, 0x20) | 2);  in cx24123_pll_writereg()
642 	cx24123_writereg(state, 0x20, cx24123_readreg(state, 0x20) & 0xfd);  in cx24123_pll_writereg()
650 	struct cx24123_state *state = fe->demodulator_priv;  in cx24123_pll_tune()  local
661 	cx24123_pll_writereg(fe, state->VCAarg);  in cx24123_pll_tune()
662 	cx24123_pll_writereg(fe, state->VGAarg);  in cx24123_pll_tune()
665 	cx24123_pll_writereg(fe, state->bandselectarg);  in cx24123_pll_tune()
666 	cx24123_pll_writereg(fe, state->pllarg);  in cx24123_pll_tune()
669 	val = cx24123_readreg(state, 0x28) & ~0x3;  in cx24123_pll_tune()
670 	cx24123_writereg(state, 0x27, state->FILTune >> 2);  in cx24123_pll_tune()
671 	cx24123_writereg(state, 0x28, val | (state->FILTune & 0x3));  in cx24123_pll_tune()
673 	dprintk("pll tune VCA=%d, band=%d, pll=%d\n", state->VCAarg,  in cx24123_pll_tune()
674 			state->bandselectarg, state->pllarg);  in cx24123_pll_tune()
689 static int cx24123_repeater_mode(struct cx24123_state *state, u8 mode, u8 start)  in cx24123_repeater_mode()  argument
691 	u8 r = cx24123_readreg(state, 0x23) & 0x1e;  in cx24123_repeater_mode()
696 	return cx24123_writereg(state, 0x23, r);  in cx24123_repeater_mode()
701 	struct cx24123_state *state = fe->demodulator_priv;  in cx24123_initfe()  local
708 		cx24123_writereg(state, cx24123_regdata[i].reg,  in cx24123_initfe()
712 	if (state->config->lnb_polarity)  in cx24123_initfe()
713 		cx24123_writereg(state, 0x32,  in cx24123_initfe()
714 			cx24123_readreg(state, 0x32) | 0x02);  in cx24123_initfe()
716 	if (state->config->dont_use_pll)  in cx24123_initfe()
717 		cx24123_repeater_mode(state, 1, 0);  in cx24123_initfe()
725 	struct cx24123_state *state = fe->demodulator_priv;  in cx24123_set_voltage()  local
728 	val = cx24123_readreg(state, 0x29) & ~0x40;  in cx24123_set_voltage()
733 		return cx24123_writereg(state, 0x29, val & 0x7f);  in cx24123_set_voltage()
736 		return cx24123_writereg(state, 0x29, val | 0x80);  in cx24123_set_voltage()
748 static void cx24123_wait_for_diseqc(struct cx24123_state *state)  in cx24123_wait_for_diseqc()  argument
751 	while (!(cx24123_readreg(state, 0x29) & 0x40)) {  in cx24123_wait_for_diseqc()
764 	struct cx24123_state *state = fe->demodulator_priv;  in cx24123_send_diseqc_msg()  local
770 	tone = cx24123_readreg(state, 0x29);  in cx24123_send_diseqc_msg()
772 		cx24123_writereg(state, 0x29, tone & ~0x50);  in cx24123_send_diseqc_msg()
775 	cx24123_wait_for_diseqc(state);  in cx24123_send_diseqc_msg()
778 	cx24123_writereg(state, 0x2a, cx24123_readreg(state, 0x2a) & 0xfb);  in cx24123_send_diseqc_msg()
781 		cx24123_writereg(state, 0x2C + i, cmd->msg[i]);  in cx24123_send_diseqc_msg()
783 	val = cx24123_readreg(state, 0x29);  in cx24123_send_diseqc_msg()
784 	cx24123_writereg(state, 0x29, ((val & 0x90) | 0x40) |  in cx24123_send_diseqc_msg()
788 	cx24123_wait_for_diseqc(state);  in cx24123_send_diseqc_msg()
792 		cx24123_writereg(state, 0x29, tone & ~0x40);  in cx24123_send_diseqc_msg()
800 	struct cx24123_state *state = fe->demodulator_priv;  in cx24123_diseqc_send_burst()  local
806 	tone = cx24123_readreg(state, 0x29);  in cx24123_diseqc_send_burst()
808 		cx24123_writereg(state, 0x29, tone & ~0x50);  in cx24123_diseqc_send_burst()
811 	cx24123_wait_for_diseqc(state);  in cx24123_diseqc_send_burst()
814 	cx24123_writereg(state, 0x2a, cx24123_readreg(state, 0x2a) | 0x4);  in cx24123_diseqc_send_burst()
816 	val = cx24123_readreg(state, 0x29);  in cx24123_diseqc_send_burst()
818 		cx24123_writereg(state, 0x29, ((val & 0x90) | 0x40 | 0x00));  in cx24123_diseqc_send_burst()
820 		cx24123_writereg(state, 0x29, ((val & 0x90) | 0x40 | 0x08));  in cx24123_diseqc_send_burst()
824 	cx24123_wait_for_diseqc(state);  in cx24123_diseqc_send_burst()
825 	cx24123_writereg(state, 0x2a, cx24123_readreg(state, 0x2a) & 0xfb);  in cx24123_diseqc_send_burst()
829 		cx24123_writereg(state, 0x29, tone & ~0x40);  in cx24123_diseqc_send_burst()
836 	struct cx24123_state *state = fe->demodulator_priv;  in cx24123_read_status()  local
837 	int sync = cx24123_readreg(state, 0x14);  in cx24123_read_status()
840 	if (state->config->dont_use_pll) {  in cx24123_read_status()
847 		int lock = cx24123_readreg(state, 0x20);  in cx24123_read_status()
873 	struct cx24123_state *state = fe->demodulator_priv;  in cx24123_read_ber()  local
877 	*ber = ((cx24123_readreg(state, 0x1c) & 0x3f) << 16) |  in cx24123_read_ber()
878 		(cx24123_readreg(state, 0x1d) << 8 |  in cx24123_read_ber()
879 		 cx24123_readreg(state, 0x1e));  in cx24123_read_ber()
889 	struct cx24123_state *state = fe->demodulator_priv;  in cx24123_read_signal_strength()  local
892 	*signal_strength = cx24123_readreg(state, 0x3b) << 8;  in cx24123_read_signal_strength()
901 	struct cx24123_state *state = fe->demodulator_priv;  in cx24123_read_snr()  local
905 	*snr = 65535 - (((u16)cx24123_readreg(state, 0x18) << 8) |  in cx24123_read_snr()
906 			 (u16)cx24123_readreg(state, 0x19));  in cx24123_read_snr()
915 	struct cx24123_state *state = fe->demodulator_priv;  in cx24123_set_frontend()  local
920 	if (state->config->set_ts_params)  in cx24123_set_frontend()
921 		state->config->set_ts_params(fe, 0);  in cx24123_set_frontend()
923 	state->currentfreq = p->frequency;  in cx24123_set_frontend()
924 	state->currentsymbolrate = p->symbol_rate;  in cx24123_set_frontend()
926 	cx24123_set_inversion(state, p->inversion);  in cx24123_set_frontend()
927 	cx24123_set_fec(state, p->fec_inner);  in cx24123_set_frontend()
928 	cx24123_set_symbolrate(state, p->symbol_rate);  in cx24123_set_frontend()
930 	if (!state->config->dont_use_pll)  in cx24123_set_frontend()
938 	cx24123_writereg(state, 0x03, (cx24123_readreg(state, 0x03) | 0x07));  in cx24123_set_frontend()
939 	cx24123_writereg(state, 0x00, 0x10);  in cx24123_set_frontend()
940 	cx24123_writereg(state, 0x00, 0);  in cx24123_set_frontend()
942 	if (state->config->agc_callback)  in cx24123_set_frontend()
943 		state->config->agc_callback(fe);  in cx24123_set_frontend()
951 	struct cx24123_state *state = fe->demodulator_priv;  in cx24123_get_frontend()  local
955 	if (cx24123_get_inversion(state, &p->inversion) != 0) {  in cx24123_get_frontend()
959 	if (cx24123_get_fec(state, &p->fec_inner) != 0) {  in cx24123_get_frontend()
963 	p->frequency = state->currentfreq;  in cx24123_get_frontend()
964 	p->symbol_rate = state->currentsymbolrate;  in cx24123_get_frontend()
971 	struct cx24123_state *state = fe->demodulator_priv;  in cx24123_set_tone()  local
975 	cx24123_wait_for_diseqc(state);  in cx24123_set_tone()
977 	val = cx24123_readreg(state, 0x29) & ~0x40;  in cx24123_set_tone()
982 		return cx24123_writereg(state, 0x29, val | 0x10);  in cx24123_set_tone()
985 		return cx24123_writereg(state, 0x29, val & 0xef);  in cx24123_set_tone()
1019 	struct cx24123_state *state = fe->demodulator_priv;  in cx24123_release()  local
1021 	i2c_del_adapter(&state->tuner_i2c_adapter);  in cx24123_release()
1022 	kfree(state);  in cx24123_release()
1028 	struct cx24123_state *state = i2c_get_adapdata(i2c_adap);  in cx24123_tuner_i2c_tuner_xfer()  local
1030 	cx24123_repeater_mode(state, 1, 1);  in cx24123_tuner_i2c_tuner_xfer()
1031 	return i2c_transfer(state->i2c, msg, num);  in cx24123_tuner_i2c_tuner_xfer()
1047 	struct cx24123_state *state = fe->demodulator_priv;  in cx24123_get_tuner_i2c_adapter()  local
1048 	return &state->tuner_i2c_adapter;  in cx24123_get_tuner_i2c_adapter()
1058 	struct cx24123_state *state =  in cx24123_attach()  local
1062 	if (state == NULL) {  in cx24123_attach()
1068 	state->config = config;  in cx24123_attach()
1069 	state->i2c = i2c;  in cx24123_attach()
1072 	state->demod_rev = cx24123_readreg(state, 0x00);  in cx24123_attach()
1073 	switch (state->demod_rev) {  in cx24123_attach()
1081 		err("wrong demod revision: %x\n", state->demod_rev);  in cx24123_attach()
1086 	memcpy(&state->frontend.ops, &cx24123_ops,  in cx24123_attach()
1088 	state->frontend.demodulator_priv = state;  in cx24123_attach()
1092 		cx24123_repeater_mode(state, 1, 0);  in cx24123_attach()
1094 	strlcpy(state->tuner_i2c_adapter.name, "CX24123 tuner I2C bus",  in cx24123_attach()
1095 		sizeof(state->tuner_i2c_adapter.name));  in cx24123_attach()
1096 	state->tuner_i2c_adapter.algo      = &cx24123_tuner_i2c_algo;  in cx24123_attach()
1097 	state->tuner_i2c_adapter.algo_data = NULL;  in cx24123_attach()
1098 	state->tuner_i2c_adapter.dev.parent = i2c->dev.parent;  in cx24123_attach()
1099 	i2c_set_adapdata(&state->tuner_i2c_adapter, state);  in cx24123_attach()
1100 	if (i2c_add_adapter(&state->tuner_i2c_adapter) < 0) {  in cx24123_attach()
1105 	return &state->frontend;  in cx24123_attach()
1108 	kfree(state);  in cx24123_attach()