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/*
* Misc utility routines for WL and Apps
* This header file housing the define and function prototype use by
* both the wl driver, tools & Apps.
*
* Copyright 2007, Broadcom Corporation
* All Rights Reserved.
*
* THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
* KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
* SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
* $Id: bcmwifi.h,v 1.1.1.1 2008/07/21 09:14:16 james26_jang Exp $
*/
#ifndef _bcmwifi_h_
#define _bcmwifi_h_
/* A chanspec holds the channel number, band, bandwidth and control sideband */
typedef uint16 chanspec_t;
/* channel defines */
#define CH_UPPER_SB 0x01
#define CH_LOWER_SB 0x02
#define CH_EWA_VALID 0x04
#define CH_20MHZ_APART 4
#define CH_10MHZ_APART 2
#define CH_MAX_2G_CHANNEL 14 /* Max channel in 2G band */
#define WLC_MAX_2G_CHANNEL CH_MAX_2G_CHANNEL /* legacy define */
#define MAXCHANNEL 224 /* max # supported channels. The max channel no is 216,
* this is that + 1 rounded up to a multiple of NBBY (8).
* DO NOT MAKE it > 255: channels are uint8's all over
*/
#define WL_CHANSPEC_CHAN_MASK 0x00ff
#define WL_CHANSPEC_CHAN_SHIFT 0
#define WL_CHANSPEC_CTL_SB_MASK 0x0300
#define WL_CHANSPEC_CTL_SB_SHIFT 8
#define WL_CHANSPEC_CTL_SB_LOWER 0x0100
#define WL_CHANSPEC_CTL_SB_UPPER 0x0200
#define WL_CHANSPEC_CTL_SB_NONE 0x0300
#define WL_CHANSPEC_BW_MASK 0x0C00
#define WL_CHANSPEC_BW_SHIFT 10
#define WL_CHANSPEC_BW_10 0x0400
#define WL_CHANSPEC_BW_20 0x0800
#define WL_CHANSPEC_BW_40 0x0C00
#define WL_CHANSPEC_BAND_MASK 0xf000
#define WL_CHANSPEC_BAND_SHIFT 12
#define WL_CHANSPEC_BAND_5G 0x1000
#define WL_CHANSPEC_BAND_2G 0x2000
#define INVCHANSPEC 255
/* channel defines */
#define LOWER_20_SB(channel) ((channel > CH_10MHZ_APART) ? (channel - CH_10MHZ_APART) : 0)
#define UPPER_20_SB(channel) ((channel < (MAXCHANNEL - CH_10MHZ_APART)) ? \
(channel + CH_10MHZ_APART) : 0)
#define CHSPEC_WLCBANDUNIT(chspec) (CHSPEC_IS5G(chspec) ? BAND_5G_INDEX : BAND_2G_INDEX)
#define CH20MHZ_CHSPEC(channel) (chanspec_t)((chanspec_t)(channel) | WL_CHANSPEC_BW_20 | \
WL_CHANSPEC_CTL_SB_NONE | (((channel) <= CH_MAX_2G_CHANNEL) ? \
WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G))
#define NEXT_20MHZ_CHAN(channel) ((channel < (MAXCHANNEL - CH_20MHZ_APART)) ? \
(channel + CH_20MHZ_APART) : 0)
#define CH40MHZ_CHSPEC(channel, ctlsb) (chanspec_t) \
((channel) | (ctlsb) | WL_CHANSPEC_BW_40 | \
((channel) <= CH_MAX_2G_CHANNEL ? WL_CHANSPEC_BAND_2G : \
WL_CHANSPEC_BAND_5G))
#define CHSPEC_CHANNEL(chspec) ((uint8)(chspec & WL_CHANSPEC_CHAN_MASK))
#define CHSPEC_CTL_SB(chspec) (chspec & WL_CHANSPEC_CTL_SB_MASK)
#define CHSPEC_BW(chspec) (chspec & WL_CHANSPEC_BW_MASK)
#define CHSPEC_BAND(chspec) (chspec & WL_CHANSPEC_BAND_MASK)
#define CHSPEC_IS10(chspec) ((chspec & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_10)
#define CHSPEC_IS20(chspec) ((chspec & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_20)
#ifndef CHSPEC_IS40
#define CHSPEC_IS40(chspec) (((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_40)
#endif
#define CHSPEC_IS5G(chspec) ((chspec & WL_CHANSPEC_BAND_MASK) == WL_CHANSPEC_BAND_5G)
#define CHSPEC_IS2G(chspec) ((chspec & WL_CHANSPEC_BAND_MASK) == WL_CHANSPEC_BAND_2G)
#define CHSPEC_SB_NONE(chspec) ((chspec & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_NONE)
#define CHSPEC_SB_UPPER(chspec) ((chspec & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_UPPER)
#define CHSPEC_SB_LOWER(chspec) ((chspec & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_LOWER)
/* defined rate in 500kbps */
#define WLC_MAXRATE 108 /* in 500kbps units */
#define WLC_RATE_1M 2 /* in 500kbps units */
#define WLC_RATE_2M 4 /* in 500kbps units */
#define WLC_RATE_5M5 11 /* in 500kbps units */
#define WLC_RATE_11M 22 /* in 500kbps units */
#define WLC_RATE_6M 12 /* in 500kbps units */
#define WLC_RATE_9M 18 /* in 500kbps units */
#define WLC_RATE_12M 24 /* in 500kbps units */
#define WLC_RATE_18M 36 /* in 500kbps units */
#define WLC_RATE_24M 48 /* in 500kbps units */
#define WLC_RATE_36M 72 /* in 500kbps units */
#define WLC_RATE_48M 96 /* in 500kbps units */
#define WLC_RATE_54M 108 /* in 500kbps units */
/*
* Convert chanspec to ascii string
* @param chspec chanspec format
* @param buf ascii string of chanspec
* @return pointer to buf
*/
extern char * wf_chspec_ntoa(chanspec_t chspec, char *buf);
/*
* Convert ascii string to chanspec
* @param a pointer to input string
* @return >= 0 if successful or 0 otherwise
*/
extern chanspec_t wf_chspec_aton(char *a);
#ifdef CONFIG_NET_RADIO
/* wl functions used by the ndis wl. */
extern uint freq2channel(uint freq);
extern uint channel2freq(uint channel);
#endif
#endif /* _bcmwifi_h_ */
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