xref: /openbsd/sys/dev/ic/si4136reg.h (revision 3d8817e4)
1 /*	$OpenBSD: si4136reg.h,v 1.3 2009/08/16 18:03:48 jsg Exp $	*/
2 /* $NetBSD$ */
3 
4 /*
5  * Copyright (c) 2004 David Young.  All rights reserved.
6  *
7  * This code was written by David Young.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. Neither the name of the author nor the names of any co-contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY David Young ``AS IS'' AND ANY
22  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
23  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
24  * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL David
25  * Young BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
26  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
27  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
29  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
32  * OF SUCH DAMAGE.
33  */
34 
35 #ifndef _DEV_IC_SI4136REG_H_
36 #define	_DEV_IC_SI4136REG_H_
37 
38 /*
39  * Serial bus format for Silicon Laboratories Si4126/Si4136 RF synthesizer.
40  */
41 #define SI4126_TWI_DATA_MASK	0x3ffff0
42 #define SI4126_TWI_ADDR_MASK	0xf
43 
44 /*
45  * Registers for Silicon Laboratories Si4126/Si4136 RF synthesizer.
46  */
47 #define SI4126_MAIN	0	/* main configuration */
48 #define	SI4126_MAIN_AUXSEL_MASK	0x3000	/* aux. output pin function */
49 /* reserved */
50 #define	SI4126_MAIN_AUXSEL_RSVD		LSHIFT(0x0, SI4126_MAIN_AUXSEL_MASK)
51 /* force low */
52 #define	SI4126_MAIN_AUXSEL_FRCLOW	LSHIFT(0x1, SI4126_MAIN_AUXSEL_MASK)
53 /* Lock Detect (LDETB) */
54 #define	SI4126_MAIN_AUXSEL_LDETB	LSHIFT(0x3, SI4126_MAIN_AUXSEL_MASK)
55 
56 #define	SI4126_MAIN_IFDIV_MASK	0xc00	/* IFOUT = IFVCO
57 						 * frequency / 2**IFDIV.
58 						 */
59 
60 #define	SI4126_MAIN_XINDIV2	(1<<6)	/* 1: divide crystal input (XIN) by 2 */
61 #define	SI4126_MAIN_LPWR	(1<<5)	/* 1: low-power mode */
62 #define	SI4126_MAIN_AUTOPDB	(1<<3)	/* 1: equivalent to
63 					 *    reg[SI4126_POWER] <-
64 					 *    SI4126_POWER_PDIB |
65 					 *    SI4126_POWER_PDRB.
66 					 *
67 					 * 0: power-down under control of
68 					 *    reg[SI4126_POWER].
69 					 */
70 
71 #define	SI4126_GAIN	1		/* phase detector gain */
72 #define	SI4126_GAIN_KPI_MASK	0x30	/* IF phase detector gain */
73 #define	SI4126_GAIN_KP2_MASK	0xc	/* RF2 phase detector gain */
74 #define	SI4126_GAIN_KP1_MASK	0x3	/* RF1 phase detector gain */
75 
76 #define	SI4126_POWER	2		/* powerdown */
77 #define	SI4126_POWER_PDIB	(1<<1)	/* 1: IF synthesizer on */
78 #define	SI4126_POWER_PDRB	(1<<0)	/* 1: RF synthesizer on */
79 
80 #define	SI4126_RF1N	3		/* RF1 N divider */
81 #define	SI4126_RF2N	4		/* RF2 N divider */
82 #define	SI4126_IFN	5		/* IF N divider */
83 #define	SI4126_RF1R	6		/* RF1 R divider */
84 #define	SI4126_RF2R	7		/* RF2 R divider */
85 #define	SI4126_IFR	8		/* IF R divider */
86 
87 #endif /* _DEV_IC_SI4136REG_H_ */
88