Date: Wed, 5 Jun 2013 00:39:20 +0000 (UTC) From: Adrian Chadd <adrian@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r251399 - head/sys/dev/ath/ath_hal Message-ID: <201306050039.r550dKKY048801@svn.freebsd.org>
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Author: adrian Date: Wed Jun 5 00:39:20 2013 New Revision: 251399 URL: http://svnweb.freebsd.org/changeset/base/251399 Log: Document the AR9285/AR9485 LNA configuration information that's stored in the ctl/ext RSSI field for chain 2. Tested: * AR9285, STA Modified: head/sys/dev/ath/ath_hal/ah_desc.h Modified: head/sys/dev/ath/ath_hal/ah_desc.h ============================================================================== --- head/sys/dev/ath/ath_hal/ah_desc.h Tue Jun 4 23:52:57 2013 (r251398) +++ head/sys/dev/ath/ath_hal/ah_desc.h Wed Jun 5 00:39:20 2013 (r251399) @@ -157,6 +157,32 @@ struct ath_rx_status { #define HAL_RX_IS_APSD 0x0100 /* Is ASPD trigger frame */ #define HAL_RX_STBC 0x0200 /* Is an STBC frame */ +/* + * This is the format of RSSI[2] on the AR9285/AR9485. + * It encodes the LNA configuration information. + * + * For boards with an external diversity antenna switch, + * HAL_RX_LNA_EXTCFG encodes which configuration was + * used (antenna 1 or antenna 2.) This feeds into the + * switch table and ensures that the given antenna was + * connected to an LNA. + */ +#define HAL_RX_LNA_LNACFG 0x80 /* 1 = main LNA config used, 0 = ALT */ +#define HAL_RX_LNA_EXTCFG 0x40 /* 0 = external diversity ant1, 1 = ant2 */ +#define HAL_RX_LNA_CFG_USED 0x30 /* 2 bits; LNA config used on RX */ +#define HAL_RX_LNA_CFG_USED_S 4 +#define HAL_RX_LNA_CFG_MAIN 0x0c /* 2 bits; "Main" LNA config */ +#define HAL_RX_LNA_CFG_ALT 0x02 /* 2 bits; "Alt" LNA config */ + +/* + * This is the format of RSSI_EXT[2] on the AR9285/AR9485. + * It encodes the switch table configuration and fast diversity + * value. + */ +#define HAL_RX_LNA_FASTDIV 0x40 /* 1 = fast diversity measurement done */ +#define HAL_RX_LNA_SWITCH_0 0x30 /* 2 bits; sw_0[1:0] */ +#define HAL_RX_LNA_SWITCH_COM 0x0f /* 4 bits, sw_com[3:0] */ + enum { HAL_PHYERR_UNDERRUN = 0, /* Transmit underrun */ HAL_PHYERR_TIMING = 1, /* Timing error */
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