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Guess the meanings of most registers on the baseband processor.

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Available documentation is incomplete, so the true meanings will
have to be found out by painstaking experimentation.
This commit is contained in:
dyoung 2005-01-02 04:29:36 +00:00
parent 37420795ec
commit 1236e46cff
1 changed files with 22 additions and 11 deletions
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33
sys/dev/ic/rtwreg.h
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@ -1,4 +1,4 @@
/* $NetBSD: rtwreg.h,v 1.8 2005/01/02 04:23:03 dyoung Exp $ */
/* $NetBSD: rtwreg.h,v 1.9 2005/01/02 04:29:36 dyoung Exp $ */
/*-
* Copyright (c) 2004, 2005 David Young. All rights reserved.
*
@ -1066,13 +1066,19 @@ struct rtw_rxdesc {
* Registers for RTL8180L's built-in baseband modem.
*/
#define RTW_BBP_SYS1 0x00
#define RTW_BBP_TXAGC 0x03
#define RTW_BBP_LNADET 0x04
#define RTW_BBP_IFAGCINI 0x05
#define RTW_BBP_IFAGCLIMIT 0x06
#define RTW_BBP_IFAGCDET 0x07
#define RTW_BBP_TXAGC 0x03 /* guess: transmit auto gain control */
#define RTW_BBP_LNADET 0x04 /* guess: low-noise amplifier activation
* threshold
*/
#define RTW_BBP_IFAGCINI 0x05 /* guess: intermediate frequency (IF)
* auto-gain control (AGC) initial value
*/
#define RTW_BBP_IFAGCLIMIT 0x06 /* guess: IF AGC maximum value */
#define RTW_BBP_IFAGCDET 0x07 /* guess: activation threshold for
* IF AGC loop
*/
#define RTW_BBP_ANTATTEN 0x10
#define RTW_BBP_ANTATTEN 0x10 /* guess: antenna & attenuation */
#define RTW_BBP_ANTATTEN_PHILIPS_MAGIC 0x91
#define RTW_BBP_ANTATTEN_INTERSIL_MAGIC 0x92
#define RTW_BBP_ANTATTEN_RFMD_MAGIC 0x93
@ -1080,7 +1086,9 @@ struct rtw_rxdesc {
#define RTW_BBP_ANTATTEN_DFLANTB 0x40
#define RTW_BBP_ANTATTEN_CHAN14 0x0c
#define RTW_BBP_TRL 0x11
#define RTW_BBP_TRL 0x11 /* guess: transmit/receive
* switch latency
*/
#define RTW_BBP_SYS2 0x12
#define RTW_BBP_SYS2_ANTDIV 0x80 /* enable antenna diversity */
#define RTW_BBP_SYS2_RATE_MASK BITS(5,4) /* loopback rate?
@ -1092,6 +1100,9 @@ struct rtw_rxdesc {
#define RTW_BBP_SYS3 0x13
/* carrier-sense threshold */
#define RTW_BBP_SYS3_CSTHRESH_MASK BITS(0,3)
#define RTW_BBP_CHESTLIM 0x19
#define RTW_BBP_CHSQLIM 0x1a
#define RTW_BBP_CHESTLIM 0x19 /* guess: channel energy-detect
* threshold
*/
#define RTW_BBP_CHSQLIM 0x1a /* guess: channel signal-quality
* threshold
*/