drivers/net/wireless/brcm80211/brcmsmac/phy/phy_qmath.h

   1 /*
   2  * Copyright (c) 2010 Broadcom Corporation
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  11  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
  13  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  14  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #ifndef _BRCM_QMATH_H_
  18 #define _BRCM_QMATH_H_
  19
  20 #include <types.h>
  21
  22 u16 qm_mulu16(u16 op1, u16 op2);
  23
  24 s16 qm_muls16(s16 op1, s16 op2);
  25
  26 s32 qm_add32(s32 op1, s32 op2);
  27
  28 s16 qm_add16(s16 op1, s16 op2);
  29
  30 s16 qm_sub16(s16 op1, s16 op2);
  31
  32 s32 qm_shl32(s32 op, int shift);
  33
  34 s16 qm_shl16(s16 op, int shift);
  35
  36 s16 qm_shr16(s16 op, int shift);
  37
  38 s16 qm_norm32(s32 op);
  39
  40 void qm_log10(s32 N, s16 qN, s16 *log10N, s16 *qLog10N);
  41
  42 #endif                          /* #ifndef _BRCM_QMATH_H_ */