Date: Sat, 14 May 2016 20:09:37 +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: r299757 - head/sys/dev/bwn Message-ID: <201605142009.u4EK9bXd021880@repo.freebsd.org>
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Author: adrian Date: Sat May 14 20:09:37 2016 New Revision: 299757 URL: https://svnweb.freebsd.org/changeset/base/299757 Log: [bwn] add Q52 macros. The PHY-N code uses a different format for gain values, so these macros are used for converting to/from and print out values. Modified: head/sys/dev/bwn/if_bwn_util.h Modified: head/sys/dev/bwn/if_bwn_util.h ============================================================================== --- head/sys/dev/bwn/if_bwn_util.h Sat May 14 20:06:38 2016 (r299756) +++ head/sys/dev/bwn/if_bwn_util.h Sat May 14 20:09:37 2016 (r299757) @@ -55,6 +55,12 @@ bwn_clamp_val(int val, int lo, int hi) return val; } +/* Q52 format - used in PHY routines */ +#define INT_TO_Q52(i) ((i) << 2) +#define Q52_TO_INT(q52) ((q52) >> 2) +#define Q52_FMT "%u.%u" +#define Q52_ARG(q52) Q52_TO_INT(q52), ((((q52) & 0x3) * 100) / 4) + extern unsigned int bwn_sqrt(struct bwn_mac *mac, unsigned int x); #endif /* __IF_BWN_UTIL_H__ */
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