Lines Matching defs:state

330 static int write_regs(struct stv *state, int reg, int len)
334 	memcpy(&d[1], &state->reg[reg], len);
336 	return i2c_write(state->i2c, state->adr, d, len + 1);
339 static int write_reg(struct stv *state, u8 reg, u8 val)
343 	return i2c_write(state->i2c, state->adr, d, 2);
346 static int read_reg(struct stv *state, u8 reg, u8 *val)
348 	return i2c_read(state->i2c, state->adr, &reg, 1, val, 1);
351 static int wait_for_call_done(struct stv *state, u8 mask)
359 		status = read_reg(state, 9, &regval);
373 static void init_state(struct stv *state)
381 	state->reg[0] = 0x08;
382 	state->reg[1] = 0x41;
383 	state->reg[2] = 0x8f;
384 	state->reg[3] = 0x00;
385 	state->reg[4] = 0xce;
386 	state->reg[5] = 0x54;
387 	state->reg[6] = 0x55;
388 	state->reg[7] = 0x45;
389 	state->reg[8] = 0x46;
390 	state->reg[9] = 0xbd;
391 	state->reg[10] = 0x11;
393 	state->ref_freq = 16000;
396 		state->reg[0x00] |= (clkdiv & 0x03);
398 		state->reg[0x03] |= (agcmode << 5);
400 			state->reg[0x01] |= 0x30;
403 		state->reg[0x01] = (state->reg[0x01] & ~0x30) | (bbmode << 4);
405 		state->reg[0x03] |= agcref;
407 		state->reg[0x02] = (state->reg[0x02] & ~0x1F) | agcset | 0x40;
410 static int attach_init(struct stv *state)
412 	if (write_regs(state, 0, 11))
425 	struct stv *state = fe->tuner_priv;
433 	if ((state->reg[0x08] & ~0xFC) == ((index - 6) << 2))
436 	state->reg[0x08] = (state->reg[0x08] & ~0xFC) | ((index - 6) << 2);
437 	state->reg[0x09] = (state->reg[0x09] & ~0x0C) | 0x08;
441 		write_regs(state, 0x08, 2);
442 		wait_for_call_done(state, 0x08);
449 static int set_lof(struct stv *state, u32 local_frequency, u32 cutoff_frequency)
469 	div = fvco / state->ref_freq;
470 	frac = fvco % state->ref_freq;
471 	frac = muldiv32(frac, 0x40000, state->ref_freq);
489 	state->reg[0x02] |= 0x80; /* LNA IIP3 Mode */
491 	state->reg[0x03] = (state->reg[0x03] & ~0x80) | (psel << 7);
492 	state->reg[0x04] = (div & 0xFF);
493 	state->reg[0x05] = (((div >> 8) & 0x01) | ((frac & 0x7F) << 1)) & 0xff;
494 	state->reg[0x06] = ((frac >> 7) & 0xFF);
495 	state->reg[0x07] = (state->reg[0x07] & ~0x07) | ((frac >> 15) & 0x07);
496 	state->reg[0x07] = (state->reg[0x07] & ~0xE0) | (icp << 5);
498 	state->reg[0x08] = (state->reg[0x08] & ~0xFC) | ((index - 6) << 2);
500 	state->reg[0x09] = (state->reg[0x09] & ~0x0C) | 0x0C;
501 	write_regs(state, 2, 8);
503 	wait_for_call_done(state, 0x0C);
507 	read_reg(state, 0x03, &tmp);
509 		state->reg[0x02] &= ~0x80; /* LNA NF Mode */
510 		write_regs(state, 2, 1);
512 	read_reg(state, 0x08, &tmp);
514 	state->frequency = frequency;
521 	struct stv *state = fe->tuner_priv;
535 		set_lof(state, freq, cutoff);
576 	struct stv *state = fe->tuner_priv;
580 	if ((state->reg[0x03] & 0x60) == 0) {
588 			write_reg(state, 0x02, state->reg[0x02] | 0x20);
589 			read_reg(state, 2, &reg);
591 				read_reg(state, 2, &reg);
596 		if ((state->reg[0x02] & 0x80) == 0)
613 		if ((state->reg[0x02] & 0x80) == 0) {
629 	if (state->frequency > 0)
631 		gain -= ((((s32)(state->frequency / 1000) - 1550) * 2) / 12);
634 	gain +=  (s32)((state->reg[0x01] & 0xC0) >> 6) * 600 - 1300;
661 	struct stv *state;
665 	state = kzalloc(sizeof(*state), GFP_KERNEL);
666 	if (!state)
668 	state->adr = adr;
669 	state->i2c = i2c;
671 	init_state(state);
676 		stat = attach_init(state);
680 		kfree(state);
683 	fe->tuner_priv = state;