85 static int cx22702_writereg(struct cx22702_state *state, u8 reg, u8 data)  in cx22702_writereg()  argument
90 		.addr = state->config->demod_address, .flags = 0,  in cx22702_writereg()
93 	ret = i2c_transfer(state->i2c, &msg, 1);  in cx22702_writereg()
105 static u8 cx22702_readreg(struct cx22702_state *state, u8 reg)  in cx22702_readreg()  argument
111 		{ .addr = state->config->demod_address, .flags = 0,  in cx22702_readreg()
113 		{ .addr = state->config->demod_address, .flags = I2C_M_RD,  in cx22702_readreg()
116 	ret = i2c_transfer(state->i2c, msg, 2);  in cx22702_readreg()
127 static int cx22702_set_inversion(struct cx22702_state *state, int inversion)  in cx22702_set_inversion()  argument
131 	val = cx22702_readreg(state, 0x0C);  in cx22702_set_inversion()
144 	return cx22702_writereg(state, 0x0C, val);  in cx22702_set_inversion()
148 static int cx22702_get_tps(struct cx22702_state *state,  in cx22702_get_tps()  argument
154 	if (!(cx22702_readreg(state, 0x0A) & 0x20))  in cx22702_get_tps()
157 	val = cx22702_readreg(state, 0x01);  in cx22702_get_tps()
185 	val = cx22702_readreg(state, 0x02);  in cx22702_get_tps()
221 	val = cx22702_readreg(state, 0x03);  in cx22702_get_tps()
250 	struct cx22702_state *state = fe->demodulator_priv;  in cx22702_i2c_gate_ctrl()  local
254 	val = cx22702_readreg(state, 0x0D);  in cx22702_i2c_gate_ctrl()
259 	return cx22702_writereg(state, 0x0D, val);  in cx22702_i2c_gate_ctrl()
267 	struct cx22702_state *state = fe->demodulator_priv;  in cx22702_set_tps()  local
276 	cx22702_set_inversion(state, p->inversion);  in cx22702_set_tps()
279 	val = cx22702_readreg(state, 0x0C) & 0xcf;  in cx22702_set_tps()
293 	cx22702_writereg(state, 0x0C, val);  in cx22702_set_tps()
306 		cx22702_writereg(state, 0x06, 0x10);  in cx22702_set_tps()
307 		cx22702_writereg(state, 0x07, 0x9);  in cx22702_set_tps()
308 		cx22702_writereg(state, 0x08, 0xC1);  in cx22702_set_tps()
309 		cx22702_writereg(state, 0x0B, cx22702_readreg(state, 0x0B)  in cx22702_set_tps()
311 		cx22702_writereg(state, 0x0C,  in cx22702_set_tps()
312 			(cx22702_readreg(state, 0x0C) & 0xBF) | 0x40);  in cx22702_set_tps()
313 		cx22702_writereg(state, 0x00, 0x01); /* Begin acquisition */  in cx22702_set_tps()
349 	cx22702_writereg(state, 0x06, val);  in cx22702_set_tps()
392 	cx22702_writereg(state, 0x07, val);  in cx22702_set_tps()
421 	cx22702_writereg(state, 0x08, val);  in cx22702_set_tps()
422 	cx22702_writereg(state, 0x0B,  in cx22702_set_tps()
423 		(cx22702_readreg(state, 0x0B) & 0xfc) | 0x02);  in cx22702_set_tps()
424 	cx22702_writereg(state, 0x0C,  in cx22702_set_tps()
425 		(cx22702_readreg(state, 0x0C) & 0xBF) | 0x40);  in cx22702_set_tps()
428 	cx22702_writereg(state, 0x00, 0x01);  in cx22702_set_tps()
438 	struct cx22702_state *state = fe->demodulator_priv;  in cx22702_init()  local
440 	cx22702_writereg(state, 0x00, 0x02);  in cx22702_init()
445 		cx22702_writereg(state, init_tab[i], init_tab[i + 1]);  in cx22702_init()
447 	cx22702_writereg(state, 0xf8, (state->config->output_mode << 1)  in cx22702_init()
457 	struct cx22702_state *state = fe->demodulator_priv;  in cx22702_read_status()  local
463 	reg0A = cx22702_readreg(state, 0x0A);  in cx22702_read_status()
464 	reg23 = cx22702_readreg(state, 0x23);  in cx22702_read_status()
486 	struct cx22702_state *state = fe->demodulator_priv;  in cx22702_read_ber()  local
488 	if (cx22702_readreg(state, 0xE4) & 0x02) {  in cx22702_read_ber()
490 		*ber = (cx22702_readreg(state, 0xDE) & 0x7F) << 7  in cx22702_read_ber()
491 			| (cx22702_readreg(state, 0xDF) & 0x7F);  in cx22702_read_ber()
494 		*ber = (cx22702_readreg(state, 0xDE) & 0x7F) << 7  in cx22702_read_ber()
495 			| cx22702_readreg(state, 0xDF);  in cx22702_read_ber()
504 	struct cx22702_state *state = fe->demodulator_priv;  in cx22702_read_signal_strength()  local
517 	reg23 = cx22702_readreg(state, 0x23);  in cx22702_read_signal_strength()
531 	struct cx22702_state *state = fe->demodulator_priv;  in cx22702_read_snr()  local
534 	if (cx22702_readreg(state, 0xE4) & 0x02) {  in cx22702_read_snr()
536 		rs_ber = (cx22702_readreg(state, 0xDE) & 0x7F) << 7  in cx22702_read_snr()
537 			| (cx22702_readreg(state, 0xDF) & 0x7F);  in cx22702_read_snr()
540 		rs_ber = (cx22702_readreg(state, 0xDE) & 0x7F) << 8  in cx22702_read_snr()
541 			| cx22702_readreg(state, 0xDF);  in cx22702_read_snr()
550 	struct cx22702_state *state = fe->demodulator_priv;  in cx22702_read_ucblocks()  local
555 	_ucblocks = cx22702_readreg(state, 0xE3);  in cx22702_read_ucblocks()
556 	if (state->prevUCBlocks < _ucblocks)  in cx22702_read_ucblocks()
557 		*ucblocks = (_ucblocks - state->prevUCBlocks);  in cx22702_read_ucblocks()
559 		*ucblocks = state->prevUCBlocks - _ucblocks;  in cx22702_read_ucblocks()
560 	state->prevUCBlocks = _ucblocks;  in cx22702_read_ucblocks()
568 	struct cx22702_state *state = fe->demodulator_priv;  in cx22702_get_frontend()  local
570 	u8 reg0C = cx22702_readreg(state, 0x0C);  in cx22702_get_frontend()
573 	return cx22702_get_tps(state, c);  in cx22702_get_frontend()
585 	struct cx22702_state *state = fe->demodulator_priv;  in cx22702_release()  local
586 	kfree(state);  in cx22702_release()
594 	struct cx22702_state *state = NULL;  in cx22702_attach()  local
597 	state = kzalloc(sizeof(struct cx22702_state), GFP_KERNEL);  in cx22702_attach()
598 	if (state == NULL)  in cx22702_attach()
602 	state->config = config;  in cx22702_attach()
603 	state->i2c = i2c;  in cx22702_attach()
606 	if (cx22702_readreg(state, 0x1f) != 0x3)  in cx22702_attach()
610 	memcpy(&state->frontend.ops, &cx22702_ops,  in cx22702_attach()
612 	state->frontend.demodulator_priv = state;  in cx22702_attach()
613 	return &state->frontend;  in cx22702_attach()
616 	kfree(state);  in cx22702_attach()