1 /* $OpenBSD: max2820reg.h,v 1.2 2009/08/16 18:21:57 jsg Exp $ */
2 /* $NetBSD: max2820reg.h,v 1.1 2004/09/26 02:29:15 dyoung Exp $ */
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_MAX2820REG_H_
36 #define _DEV_IC_MAX2820REG_H_
37
38 /*
39 * Serial bus format for Maxim MAX2820/MAX2820A/MAX2821/MAX2821A
40 * 2.4GHz 802.11b Zero-IF Transceivers
41 */
42 #define MAX2820_TWI_ADDR_MASK 0xf000
43 #define MAX2820_TWI_DATA_MASK 0xfff
44
45 /*
46 * Registers for Maxim MAX2820/MAX2820A/MAX2821/MAX2821A 2.4GHz
47 * 802.11b Zero-IF Transceivers
48 */
49 #define MAX2820_TEST 0 /* Test Register */
50 #define MAX2820_TEST_DEFAULT 0x7 /* Always set to this value. */
51
52 #define MAX2820_ENABLE 1 /* Block-Enable Register */
53 #define MAX2820_ENABLE_RSVD1 (1<<11) /* reserved */
54 #define MAX2820_ENABLE_PAB (1<<10) /* Transmit Baseband Filters
55 * Enable
56 * PAB_EN = SHDNB &&
57 * (MAX2820_ENABLE_PAB ||
58 * TX_ON)
59 */
60 #define MAX2820_ENABLE_TXFLT (1<<9) /* Transmit Baseband Filters
61 * Enable
62 * TXFLT_EN = SHDNB &&
63 * (MAX2820_ENABLE_TXFLT ||
64 * TX_ON)
65 */
66 #define MAX2820_ENABLE_TXUVD (1<<8) /* Tx Upconverter, VGA, and
67 * Driver Amp Enable
68 * TXUVD_EN = SHDNB &&
69 * (MAX2820_ENABLE_TXUVD ||
70 * TX_ON)
71 */
72 #define MAX2820_ENABLE_DET (1<<7) /* Receive Detector Enable
73 * DET_EN = SHDNB &&
74 * (MAX2820_ENABLE_DET ||
75 * RX_ON)
76 */
77 #define MAX2820_ENABLE_RXDFA (1<<6) /* Rx Downconverter, Filters,
78 * and AGC Amps Enable
79 * RXDFA_EN = SHDNB &&
80 * (MAX2820_ENABLE_RXDFA ||
81 * RX_ON)
82 */
83 #define MAX2820_ENABLE_RXLNA (1<<5) /* Receive LNA Enable
84 * AT_EN = SHDNB &&
85 * (MAX2820_ENABLE_RXLNA ||
86 * RX_ON)
87 */
88 #define MAX2820_ENABLE_AT (1<<4) /* Auto-tuner Enable
89 * AT_EN = SHDNB &&
90 * (MAX2820_ENABLE_AT ||
91 * RX_ON || TX_ON)
92 */
93 #define MAX2820_ENABLE_CP (1<<3) /* PLL Charge-Pump Enable
94 * CP_EN = SHDNB
95 * && MAX2820_ENABLE_CP
96 */
97 #define MAX2820_ENABLE_PLL (1<<2) /* PLL Enable
98 * PLL_EN = SHDNB
99 * && MAX2820_ENABLE_PLL
100 */
101 #define MAX2820_ENABLE_VCO (1<<1) /* VCO Enable
102 * VCO_EN = SHDNB
103 * && MAX2820_ENABLE_VCO
104 */
105 #define MAX2820_ENABLE_RSVD0 (1<<0) /* reserved */
106 #define MAX2820_ENABLE_DEFAULT (MAX2820_ENABLE_AT|MAX2820_ENABLE_CP|\
107 MAX2820_ENABLE_PLL|MAX2820_ENABLE_VCO)
108
109 #define MAX2820_SYNTH 2 /* Synthesizer Register */
110 #define MAX2820_SYNTH_RSVD0 0xf80 /* reserved */
111 #define MAX2820_SYNTH_ICP (1<<6) /* Charge-Pump Current Select
112 * 0 = +/-1mA
113 * 1 = +/-2mA
114 */
115 #define MAX2820_SYNTH_R_MASK 0x3f /* Reference Frequency Divider
116 * 0 = 22MHz
117 * 1 = 44MHz
118 */
119 #define MAX2820_SYNTH_R_22MHZ LSHIFT(0, MAX2820_SYNTH_R_MASK)
120 #define MAX2820_SYNTH_R_44MHZ LSHIFT(1, MAX2820_SYNTH_R_MASK)
121 #define MAX2820_SYNTH_ICP_DEFAULT MAX2820_SYNTH_ICP
122 #define MAX2820_SYNTH_R_DEFAULT LSHIFT(0, MAX2820_SYNTH_R_MASK)
123
124 #define MAX2820_CHANNEL 3 /* Channel Frequency Register */
125 #define MAX2820_CHANNEL_RSVD 0xf80 /* reserved */
126 #define MAX2820_CHANNEL_CF_MASK 0x7f /* Channel Frequency Select
127 * fLO = 2400MHz + CF * 1MHz
128 */
129 #define MAX2820_CHANNEL_RSVD_DEFAULT LSHIFT(0, MAX2820_CHANNEL_RSVD)
130 #define MAX2820_CHANNEL_CF_DEFAULT LSHIFT(37, MAX2820_CHANNEL_CF_MASK)
131
132 #define MAX2820_RECEIVE 4 /* Receiver Settings Register
133 * MAX2820/MAX2821
134 */
135 #define MAX2820_RECEIVE_2C_MASK 0xe00 /* VGA DC Offset Nulling
136 * Parameter 2
137 */
138 #define MAX2820_RECEIVE_1C_MASK 0x1c0 /* VGA DC Offset Nulling
139 * Parameter 1
140 */
141 #define MAX2820_RECEIVE_DL_MASK 0x30 /* Rx Level Detector Midpoint
142 * Select
143 * 11, 01 = 50.2mVp
144 * 10 = 70.9mVp
145 * 00 = 35.5mVp
146 */
147 #define MAX2820_RECEIVE_SF (1<<3) /* Special Function Select
148 * 0 = OFF
149 * 1 = ON
150 */
151 #define MAX2820_RECEIVE_BW_MASK 0x7 /* Receive Filter -3dB Frequency
152 * Select (all frequencies are
153 * approximate)
154 */
155 /* 8.5MHz */
156 #define MAX2820_RECEIVE_BW_8_5MHZ LSHIFT(0, MAX2820_RECEIVE_BW_MASK)
157 #define MAX2820_RECEIVE_BW_8MHZ LSHIFT(1, MAX2820_RECEIVE_BW_MASK)
158 #define MAX2820_RECEIVE_BW_7_5MHZ LSHIFT(2, MAX2820_RECEIVE_BW_MASK)
159 #define MAX2820_RECEIVE_BW_7MHZ LSHIFT(3, MAX2820_RECEIVE_BW_MASK)
160 #define MAX2820_RECEIVE_BW_6_5MHZ LSHIFT(4, MAX2820_RECEIVE_BW_MASK)
161 #define MAX2820_RECEIVE_BW_6MHZ LSHIFT(5, MAX2820_RECEIVE_BW_MASK)
162 #define MAX2820_RECEIVE_2C_DEFAULT LSHIFT(7, MAX2820_RECEIVE_2C_MASK)
163 #define MAX2820_RECEIVE_1C_DEFAULT LSHIFT(7, MAX2820_RECEIVE_1C_MASK)
164 #define MAX2820_RECEIVE_DL_DEFAULT LSHIFT(1, MAX2820_RECEIVE_DL_MASK)
165 #define MAX2820_RECEIVE_SF_DEFAULT LSHIFT(0, MAX2820_RECEIVE_SF)
166 #define MAX2820_RECEIVE_BW_DEFAULT MAX2820_RECEIVE_BW_7_5MHZ
167
168 #define MAX2820A_RECEIVE 4 /* Receiver Settings Register,
169 * MAX2820A/MAX2821A
170 */
171 /* VGA DC Offset Nulling Parameter 2 */
172 #define MAX2820A_RECEIVE_2C_MASK 0xe00
173 #define MAX2820A_RECEIVE_2C_DEFAULT LSHIFT(7, MAX2820A_RECEIVE_2C_MASK)
174 /* VGA DC Offset Nulling Parameter 1 */
175 #define MAX2820A_RECEIVE_1C_MASK 0x1c0
176 #define MAX2820A_RECEIVE_1C_DEFAULT LSHIFT(7, MAX2820A_RECEIVE_1C_MASK)
177 #define MAX2820A_RECEIVE_RSVD0_MASK 0x38
178 #define MAX2820A_RECEIVE_RSVD0_DEFAULT LSHIFT(2, MAX2820A_RECEIVE_RSVD0_MASK)
179 #define MAX2820A_RECEIVE_RSVD1_MASK 0x7
180 #define MAX2820A_RECEIVE_RSVD1_DEFAULT LSHIFT(2,MAX2820_RECEIVE_RSVD1_MASK)
181
182 #define MAX2820_TRANSMIT 5 /* Transmitter Settings Reg. */
183 #define MAX2820_TRANSMIT_RSVD_MASK 0xff0 /* reserved */
184 #define MAX2820_TRANSMIT_PA_MASK 0xf /* PA Bias Select
185 * 15 = Highest
186 * 0 = Lowest
187 */
188 #define MAX2820_TRANSMIT_PA_DEFAULT LSHIFT(0, MAX2820_TRANSMIT_PA_MASK)
189
190 #endif /* _DEV_IC_MAX2820REG_H_ */
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