Lines Matching refs:state

321 static int write_regs(struct stv *state, int reg, int len)
325 	memcpy(&d[1], &state->reg[reg], len);
327 	return i2c_write(state->i2c, state->adr, d, len + 1);
330 static int write_reg(struct stv *state, u8 reg, u8 val)
334 	return i2c_write(state->i2c, state->adr, d, 2);
337 static int read_reg(struct stv *state, u8 reg, u8 *val)
339 	return i2c_read(state->i2c, state->adr, &reg, 1, val, 1);
342 static int wait_for_call_done(struct stv *state, u8 mask)
350 		status = read_reg(state, 9, &regval);
364 static void init_state(struct stv *state)
372 	state->reg[0] = 0x08;
373 	state->reg[1] = 0x41;
374 	state->reg[2] = 0x8f;
375 	state->reg[3] = 0x00;
376 	state->reg[4] = 0xce;
377 	state->reg[5] = 0x54;
378 	state->reg[6] = 0x55;
379 	state->reg[7] = 0x45;
380 	state->reg[8] = 0x46;
381 	state->reg[9] = 0xbd;
382 	state->reg[10] = 0x11;
384 	state->ref_freq = 16000;
387 		state->reg[0x00] |= (clkdiv & 0x03);
389 		state->reg[0x03] |= (agcmode << 5);
391 			state->reg[0x01] |= 0x30;
394 		state->reg[0x01] = (state->reg[0x01] & ~0x30) | (bbmode << 4);
396 		state->reg[0x03] |= agcref;
398 		state->reg[0x02] = (state->reg[0x02] & ~0x1F) | agcset | 0x40;
401 static int attach_init(struct stv *state)
403 	if (write_regs(state, 0, 11))
416 	struct stv *state = fe->tuner_priv;
424 	if ((state->reg[0x08] & ~0xFC) == ((index - 6) << 2))
427 	state->reg[0x08] = (state->reg[0x08] & ~0xFC) | ((index - 6) << 2);
428 	state->reg[0x09] = (state->reg[0x09] & ~0x0C) | 0x08;
432 		write_regs(state, 0x08, 2);
433 		wait_for_call_done(state, 0x08);
440 static int set_lof(struct stv *state, u32 local_frequency, u32 cutoff_frequency)
460 	div = fvco / state->ref_freq;
461 	frac = fvco % state->ref_freq;
462 	frac = muldiv32(frac, 0x40000, state->ref_freq);
480 	state->reg[0x02] |= 0x80; /* LNA IIP3 Mode */
482 	state->reg[0x03] = (state->reg[0x03] & ~0x80) | (psel << 7);
483 	state->reg[0x04] = (div & 0xFF);
484 	state->reg[0x05] = (((div >> 8) & 0x01) | ((frac & 0x7F) << 1)) & 0xff;
485 	state->reg[0x06] = ((frac >> 7) & 0xFF);
486 	state->reg[0x07] = (state->reg[0x07] & ~0x07) | ((frac >> 15) & 0x07);
487 	state->reg[0x07] = (state->reg[0x07] & ~0xE0) | (icp << 5);
489 	state->reg[0x08] = (state->reg[0x08] & ~0xFC) | ((index - 6) << 2);
491 	state->reg[0x09] = (state->reg[0x09] & ~0x0C) | 0x0C;
492 	write_regs(state, 2, 8);
494 	wait_for_call_done(state, 0x0C);
498 	read_reg(state, 0x03, &tmp);
500 		state->reg[0x02] &= ~0x80; /* LNA NF Mode */
501 		write_regs(state, 2, 1);
503 	read_reg(state, 0x08, &tmp);
505 	state->frequency = frequency;
512 	struct stv *state = fe->tuner_priv;
526 		set_lof(state, freq, cutoff);
567 	struct stv *state = fe->tuner_priv;
571 	if ((state->reg[0x03] & 0x60) == 0) {
579 			write_reg(state, 0x02, state->reg[0x02] | 0x20);
580 			read_reg(state, 2, &reg);
582 				read_reg(state, 2, &reg);
587 		if ((state->reg[0x02] & 0x80) == 0)
604 		if ((state->reg[0x02] & 0x80) == 0) {
620 	if (state->frequency > 0)
622 		gain -= ((((s32)(state->frequency / 1000) - 1550) * 2) / 12);
625 	gain +=  (s32)((state->reg[0x01] & 0xC0) >> 6) * 600 - 1300;
652 	struct stv *state;
656 	state = kzalloc(sizeof(*state), GFP_KERNEL);
657 	if (!state)
659 	state->adr = adr;
660 	state->i2c = i2c;
662 	init_state(state);
667 		stat = attach_init(state);
671 		kfree(state);
674 	fe->tuner_priv = state;