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/* $OpenBSD: tc921x.h,v 1.2 2003/10/21 18:58:49 jmc Exp $ */
/*
* Copyright (c) 2001, 2002 Vladimir Popov <jumbo@narod.ru>.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Toshiba's High Speed PLL for DTS
* http://www.chipbook.co.kr/pdf/ic/toshiba/TC9216.pdf
*
* TC9216P, TC9217P, TC9217F are a high speed PLL-LSI with built-in 2 modulus
* prescaler. Each function is controlled through 3 serial bus lines and high
* performance digital tuning system can be constituted.
*
*/
#ifndef _TC921X_H_
#define _TC921X_H_
#include <sys/types.h>
#include <machine/bus.h>
#define TC921X_REGISTER_LENGTH 24
/* Input Register at 0xD0 */
#define TC921X_D0_FREQ_DIVIDER 0xFFFF
/* (*) are only available at 4.5 MHz crystal resonator used */
#define TC921X_D0_REF_FREQ_500_HZ (0x0 << 16)
#define TC921X_D0_REF_FREQ_1_KHZ (0x1 << 16)
#define TC921X_D0_REF_FREQ_2P5_KHZ (0x2 << 16)
#define TC921X_D0_REF_FREQ_3_KHZ (0x3 << 16)
#define TC921X_D0_REF_FREQ_3P125_KHZ (0x4 << 16)
#define TC921X_D0_REF_FREQ_3PXXX_KHZ (0x5 << 16) /* (*) */
#define TC921X_D0_REF_FREQ_5_KHZ (0x6 << 16)
#define TC921X_D0_REF_FREQ_6P25_KHZ (0x7 << 16)
#define TC921X_D0_REF_FREQ_7PXXX_KHZ (0x8 << 16) /* (*) */
#define TC921X_D0_REF_FREQ_9_KHZ (0x9 << 16)
#define TC921X_D0_REF_FREQ_10_KHZ (0xA << 16)
#define TC921X_D0_REF_FREQ_12P5_KHZ (0xB << 16)
#define TC921X_D0_REF_FREQ_25_KHZ (0xC << 16)
#define TC921X_D0_REF_FREQ_50_KHZ (0xD << 16)
#define TC921X_D0_REF_FREQ_100_KHZ (0xE << 16)
#define TC921X_D0_REF_FREQ_NOT_USED (0xF << 16)
#define TC921X_D0_DIRECT_DIVIDING_MODE (0 << 20)
#define TC921X_D0_PULSE_SWALLOW_HF_MODE (2 << 20)
#define TC921X_D0_PULSE_SWALLOW_FM_MODE (1 << 20)
#define TC921X_D0_HALF_PULSE_SWALLOW_MODE (3 << 20)
#define TC921X_D0_OSC_7POINT2_MHZ (1 << 22)
#define TC921X_D0_OSC_4POINT5_MHZ (0 << 22)
#define TC921X_D0_OUT_CONTROL_ON (1 << 23)
#define TC921X_D0_OUT_CONTROL_OFF (0 << 23)
/* Input Register at 0xD2 */
#define TC921X_D2_GATE_TIME(x) (x << 0)
#define TC921X_D2_GATE_TIME_1MS TC921X_D2_GATE_TIME(0)
#define TC921X_D2_GATE_TIME_4MS TC921X_D2_GATE_TIME(1)
#define TC921X_D2_GATE_TIME_16MS TC921X_D2_GATE_TIME(2)
#define TC921X_D2_GATE_TIME_MANUAL TC921X_D2_GATE_TIME(3)
#define TC921X_D2_COUNTER_MODE(x) (x << 2)
#define TC921X_D2_COUNTER_INPUT_SC (1 << 5)
#define TC921X_D2_COUNTER_INPUT_HFC (1 << 6)
#define TC921X_D2_COUNTER_INPUT_LFC (1 << 7)
#define TC921X_D2_START_BIT (1 << 8)
#define TC921X_D2_TEST_BIT (1 << 9)
#define TC921X_D2_IO_PORT(x) (x << 10)
#define TC921X_D2_IO_PORT_OUTPUT(x) (x << 15)
#define TC921X_D2_IO_PORT_INPUT(x) (x << 19)
struct tc921x_t {
bus_space_tag_t iot;
bus_space_handle_t ioh;
bus_size_t offset;
u_int8_t period;
u_int8_t clock;
u_int8_t data;
};
void tc921x_write_addr(struct tc921x_t *, u_int8_t, u_int32_t);
u_int32_t tc921x_read_addr(struct tc921x_t *, u_int8_t);
u_int32_t tc921x_encode_freq(u_int32_t);
u_int32_t tc921x_decode_freq(u_int32_t);
#endif /* _TC921X_H_ */
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