/* $NetBSD: si4136reg.h,v 1.6 2009/10/19 23:19:39 rmind Exp $ */

/*
 * Copyright (c) 2005 David Young.  All rights reserved.
 *
 * This code was written by David Young.
 *
 * 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 David Young ``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 David
 * Young 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.
 */

#ifndef _DEV_IC_SI4136REG_H_
#define _DEV_IC_SI4136REG_H_

/*
 * Serial bus format for Silicon Laboratories Si4126/Si4136 RF synthesizer.
 */
#define SI4126_TWI_DATA_MASK    __BITS(21, 4)
#define SI4126_TWI_ADDR_MASK    __BITS(3, 0)

/*
 * Registers for Silicon Laboratories Si4126/Si4136 RF synthesizer.
 */
#define SI4126_MAIN     0       /* main configuration */
#define SI4126_MAIN_AUXSEL_MASK __BITS(13, 12)  /* aux. output pin function */
/* reserved */
#define SI4126_MAIN_AUXSEL_RSVD         __SHIFTIN(0x0, SI4126_MAIN_AUXSEL_MASK)
/* force low */
#define SI4126_MAIN_AUXSEL_FRCLOW       __SHIFTIN(0x1, SI4126_MAIN_AUXSEL_MASK)
/* Lock Detect (LDETB) */
#define SI4126_MAIN_AUXSEL_LDETB        __SHIFTIN(0x3, SI4126_MAIN_AUXSEL_MASK)

#define SI4126_MAIN_IFDIV_MASK  __BITS(11, 10)  /* IFOUT = IFVCO
                                                 * frequency / 2**IFDIV.
                                                 */

/* 1: divide crystal input (XIN) by 2 */
#define SI4126_MAIN_XINDIV2     __BIT(6)
#define SI4126_MAIN_LPWR        __BIT(5)        /* 1: low-power mode */
#define SI4126_MAIN_AUTOPDB     __BIT(3)        /* 1: equivalent to
                                                 *    reg[SI4126_POWER] <-
                                                 *    SI4126_POWER_PDIB |
                                                 *    SI4126_POWER_PDRB.
                                                 *
                                                 * 0: power-down under control
                                                 *    of reg[SI4126_POWER].
                                                 */

#define SI4126_GAIN     1               /* phase detector gain */
#define SI4126_GAIN_KPI_MASK    __BITS(5, 4)    /* IF phase detector gain */
#define SI4126_GAIN_KP2_MASK    __BITS(3, 2)    /* RF2 phase detector gain */
#define SI4126_GAIN_KP1_MASK    __BITS(1, 0)    /* RF1 phase detector gain */

#define SI4126_POWER    2               /* powerdown */
#define SI4126_POWER_PDIB       __BIT(1)        /* 1: IF synthesizer on */
#define SI4126_POWER_PDRB       __BIT(0)        /* 1: RF synthesizer on */

#define SI4126_RF1N     3               /* RF1 N divider */
#define SI4126_RF2N     4               /* RF2 N divider */
#define SI4126_IFN      5               /* IF N divider */
#define SI4126_RF1R     6               /* RF1 R divider */
#define SI4126_RF2R     7               /* RF2 R divider */
#define SI4126_IFR      8               /* IF R divider */

#endif /* _DEV_IC_SI4136REG_H_ */