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      1 /* $NetBSD: rf3000reg.h,v 1.6 2009/10/19 23:19:39 rmind Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2005 David Young.  All rights reserved.
      5  *
      6  * This code was written by David Young.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY David Young ``AS IS'' AND ANY
     18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     19  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
     20  * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL David
     21  * Young BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
     23  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     25  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     26  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
     28  * OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef _DEV_IC_RF3000REG_H_
     32 #define	_DEV_IC_RF3000REG_H_
     33 
     34 /*
     35  * Serial bus format for RF Microdevices RF3000 spread-spectrum
     36  * baseband modem.
     37  */
     38 #define	RF3000_TWI_DATA_MASK	0xff
     39 #define	RF3000_TWI_ADDR_MASK	0x7f
     40 #define	RF3000_TWI_AI		0x80	/* auto-increment */
     41 
     42 /*
     43  * Registers for RFMD RF3000.
     44  */
     45 #define RF3000_CTL		0x01		/* modem control */
     46 #define		RF3000_CTL_MODE_MASK		__BITS(7, 4)
     47 #define		RF3000_CTL_MODE_1MBPS		0
     48 #define		RF3000_CTL_MODE_RSVD0		1
     49 #define		RF3000_CTL_MODE_2MBPS		2
     50 #define		RF3000_CTL_MODE_2MBPS_SHORT	3
     51 #define		RF3000_CTL_MODE_5MBPS		4
     52 #define		RF3000_CTL_MODE_5MBPS_SHORT	5
     53 #define		RF3000_CTL_MODE_11MBPS		6
     54 #define		RF3000_CTL_MODE_11MBPS_SHORT	7
     55 #define		RF3000_CTL_MODE_BPSK		8
     56 #define		RF3000_CTL_MODE_QPSK		9
     57 #define		RF3000_CTL_MODE_RSVD1		10
     58 #define		RF3000_CTL_MODE_RSVD2		11
     59 #define RF3000_RXSTAT		RF3000_CTL	/* RX status */
     60 #define		RF3000_RXSTAT_SHORTPRE		__BIT(3)/* 1: short preamble */
     61 #define		RF3000_RXSTAT_ACQ		__BIT(2)/* 1: acquired */
     62 #define		RF3000_RXSTAT_SFD		__BIT(1)/* 1: SFD detected */
     63 #define		RF3000_RXSTAT_CRC		__BIT(0)/* 1: CRC invalid */
     64 #define RF3000_CCACTL		0x02		/* CCA control */
     65 /* CCA mode */
     66 #define		RF3000_CCACTL_MODE_MASK		__BITS(7, 6)
     67 #define		RF3000_CCACTL_MODE_RSSIT	0	/* RSSI threshold */
     68 #define		RF3000_CCACTL_MODE_ACQ		1	/* acquisition */
     69 #define		RF3000_CCACTL_MODE_BOTH		2	/* threshold or acq. */
     70 /* RSSI threshold for CCA */
     71 #define		RF3000_CCACTL_RSSIT_MASK	__BITS(5, 0)
     72 #define RF3000_DIVCTL		0x03		/* diversity control */
     73 #define		RF3000_DIVCTL_ENABLE		__BIT(7)/* enable diversity */
     74 #define		RF3000_DIVCTL_ANTSEL		__BIT(6)/* if ENABLE = 0, set
     75 							 * ANT SEL
     76 							 */
     77 #define RF3000_RSSI		RF3000_DIVCTL	/* RSSI value */
     78 #define		RF3000_RSSI_MASK		__BITS(5, 0)
     79 #define RF3000_GAINCTL		0x11		/* TX variable gain control */
     80 #define		RF3000_GAINCTL_TXVGC_MASK	__BITS(7, 2)
     81 #define		RF3000_GAINCTL_SCRAMBLER	__BIT(1)
     82 #define	RF3000_LOGAINCAL	0x14		/* low gain calibration */
     83 #define		RF3000_LOGAINCAL_CAL_MASK	__BITS(5, 0)
     84 #define	RF3000_HIGAINCAL	0x15		/* high gain calibration */
     85 #define		RF3000_HIGAINCAL_CAL_MASK	__BITS(5, 0)
     86 #define		RF3000_HIGAINCAL_DSSSPAD	__BIT(6)/* 6dB gain pad for DSSS
     87 							 * modes (meaning?)
     88 							 */
     89 #define RF3000_OPTIONS1		0x1C		/* Options Register 1 */
     90 /* Saturation threshold is 4 + offset, where -3 <= offset <= 3.
     91  * SAT_THRESH is the absolute value, SAT_THRESH_SIGN is the sign.
     92  */
     93 #define		RF3000_OPTIONS1_SAT_THRESH_SIGN	__BIT(7)
     94 #define		RF3000_OPTIONS1_SAT_THRESH	__BITS(6,5)
     95 #define		RF3000_OPTIONS1_ALTAGC		__BIT(4)/* 1: retrigger AGC
     96  							 * algorithm on ADC
     97  							 * saturation
     98 							 */
     99 #define		RF3000_OPTIONS1_ALTBUS		__BIT(3)/* 1: enable alternate
    100 							 * Tx/Rx data bus
    101 							 * interface.
    102 							 */
    103 #define		RF3000_OPTIONS1_RESERVED0_MASK	__BITS(2,0)/* 0 */
    104 
    105 #define RF3000_OPTIONS2		0x1D		/* Options Register 2 */
    106 /* 1: delay next AGC 2us instead of 1us after a 1->0 LNAGS-pin transition. */
    107 #define		RF3000_OPTIONS2_LNAGS_DELAY	__BIT(7)
    108 #define		RF3000_OPTIONS2_RESERVED0_MASK	__BITS(6,3)	/* 0 */
    109 /* Threshold for AGC re-trigger. 0: high count, 1: low count. */
    110 #define		RF3000_OPTIONS2_RTG_THRESH	__BIT(2)
    111 #define		RF3000_OPTIONS2_RESERVED1_MASK	__BITS(1,0)	/* 0 */
    112 
    113 #endif /* _DEV_IC_RF3000REG_H_ */
    114