Lines Matching defs:state

222 static int si21_writeregs(struct si21xx_state *state, u8 reg1,
228 				.addr = state->config->demod_address,
240 	ret = i2c_transfer(state->i2c, &msg, 1);
249 static int si21_writereg(struct si21xx_state *state, u8 reg, u8 data)
254 				.addr = state->config->demod_address,
260 	ret = i2c_transfer(state->i2c, &msg, 1);
271 	struct si21xx_state *state = fe->demodulator_priv;
276 	return si21_writereg(state, buf[0], buf[1]);
279 static u8 si21_readreg(struct si21xx_state *state, u8 reg)
286 			.addr = state->config->demod_address,
291 			.addr = state->config->demod_address,
298 	ret = i2c_transfer(state->i2c, msg, 2);
307 static int si21_readregs(struct si21xx_state *state, u8 reg1, u8 *b, u8 len)
312 			.addr = state->config->demod_address,
317 			.addr = state->config->demod_address,
324 	ret = i2c_transfer(state->i2c, msg, 2);
332 static int si21xx_wait_diseqc_idle(struct si21xx_state *state, int timeout)
338 	while ((si21_readreg(state, LNB_CTRL_REG_1) & 0x8) == 8) {
351 	struct si21xx_state *state = fe->demodulator_priv;
367 								state->fs;
373 	si21_writeregs(state, SYM_RATE_REG_L, sym_rate_bytes, 0x03);
381 	struct si21xx_state *state = fe->demodulator_priv;
391 	status |= si21_readregs(state, LNB_CTRL_STATUS_REG, &lnb_status, 0x01);
392 	status |= si21_readregs(state, LNB_CTRL_REG_1, &lnb_status, 0x01);
395 	status |= si21_writeregs(state, LNB_FIFO_REGS_0, m->msg, m->msg_len);
402 	status |= si21_writeregs(state, LNB_CTRL_REG_1, &LNB_CTRL_1, 0x01);
410 	struct si21xx_state *state = fe->demodulator_priv;
415 	if (si21xx_wait_diseqc_idle(state, 100) < 0)
418 	val = (0x80 | si21_readreg(state, 0xc1));
419 	if (si21_writereg(state, LNB_CTRL_REG_1,
423 	if (si21xx_wait_diseqc_idle(state, 100) < 0)
426 	if (si21_writereg(state, LNB_CTRL_REG_1, val))
434 	struct si21xx_state *state = fe->demodulator_priv;
438 	val = (0x80 | si21_readreg(state, LNB_CTRL_REG_1));
442 		return si21_writereg(state, LNB_CTRL_REG_1, val | 0x20);
445 		return si21_writereg(state, LNB_CTRL_REG_1, (val & ~0x20));
454 	struct si21xx_state *state = fe->demodulator_priv;
462 	val = (0x80 | si21_readreg(state, LNB_CTRL_REG_1));
466 		return si21_writereg(state, LNB_CTRL_REG_1, val | 0x40);
468 		return si21_writereg(state, LNB_CTRL_REG_1, (val & ~0x40));
476 	struct si21xx_state *state = fe->demodulator_priv;
490 		si21_writeregs(state, reg1, &val, 1);
495 	si21_writeregs(state, SYSTEM_MODE_REG, &reg1, 0x01);
524 	status |= si21_writeregs(state, TS_CTRL_REG_1, reg2, 0x02);
534 	struct si21xx_state *state = fe->demodulator_priv;
539 	u8 signal = si21_readreg(state, ANALOG_AGC_POWER_LEVEL_REG);
541 	si21_readregs(state, LOCK_STATUS_REG_1, regs_read, 0x02);
572 	struct si21xx_state *state = fe->demodulator_priv;
574 	/*status = si21_readreg(state, ANALOG_AGC_POWER_LEVEL_REG,
577 	u16 signal = (3 * si21_readreg(state, 0x27) *
578 					si21_readreg(state, 0x28));
581 		si21_readreg(state, 0x27),
582 		si21_readreg(state, 0x28), (int) signal);
592 	struct si21xx_state *state = fe->demodulator_priv;
596 	if (state->errmode != STATUS_BER)
599 	*ber = (si21_readreg(state, 0x1d) << 8) |
600 				si21_readreg(state, 0x1e);
607 	struct si21xx_state *state = fe->demodulator_priv;
609 	s32 xsnr = 0xffff - ((si21_readreg(state, 0x24) << 8) |
610 					si21_readreg(state, 0x25));
621 	struct si21xx_state *state = fe->demodulator_priv;
625 	if (state->errmode != STATUS_UCBLOCKS)
628 		*ucblocks = (si21_readreg(state, 0x1d) << 8) |
629 					si21_readreg(state, 0x1e);
640 	struct si21xx_state *state = fe->demodulator_priv;
659 	status |= si21_writeregs(state,
664 	status |= si21_readregs(state, ACQ_CTRL_REG_2, &reg, 0x01);
666 	status |= si21_writeregs(state, ACQ_CTRL_REG_2, &reg, 0x01);
673 	status |= si21_writeregs(state,
677 	status |= si21_writeregs(state,
680 	status |= si21_writeregs(state,
683 	status |= si21_writeregs(state,
691 	struct si21xx_state *state = fe->demodulator_priv;
828 	status |= si21_writeregs(state, PLL_DIVISOR_REG, &regs[0], 0x04);
830 	state->fs = sample_rate;/*ADC MHz*/
841 	struct si21xx_state *state = fe->demodulator_priv;
846 	si21_readregs(state, SYSTEM_MODE_REG, &regdata, 0x01);
848 	si21_writeregs(state, SYSTEM_MODE_REG, &regdata, 0x01);
849 	state->initialised = 0;
856 	struct si21xx_state *state = fe->demodulator_priv;
860 	kfree(state);
899 	struct si21xx_state *state = NULL;
904 	/* allocate memory for the internal state */
905 	state = kzalloc(sizeof(struct si21xx_state), GFP_KERNEL);
906 	if (state == NULL)
909 	/* setup the state */
910 	state->config = config;
911 	state->i2c = i2c;
912 	state->initialised = 0;
913 	state->errmode = STATUS_BER;
916 	id = si21_readreg(state, SYSTEM_MODE_REG);
917 	si21_writereg(state, SYSTEM_MODE_REG, id | 0x40); /* standby off */
919 	id = si21_readreg(state, 0x00);
931 	memcpy(&state->frontend.ops, &si21xx_ops,
933 	state->frontend.demodulator_priv = state;
934 	return &state->frontend;
937 	kfree(state);