diff options
Diffstat (limited to 'drivers/staging/brcm80211/sys/wlc_channel.h')
| -rw-r--r-- | drivers/staging/brcm80211/sys/wlc_channel.h | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/drivers/staging/brcm80211/sys/wlc_channel.h b/drivers/staging/brcm80211/sys/wlc_channel.h new file mode 100644 index 0000000..1f170af --- /dev/null +++ b/drivers/staging/brcm80211/sys/wlc_channel.h @@ -0,0 +1,159 @@ +/* + * Copyright (c) 2010 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef _WLC_CHANNEL_H_ +#define _WLC_CHANNEL_H_ + +#include <wlc_phy_hal.h> + +#define WLC_TXPWR_DB_FACTOR 4 /* conversion for phy txpwr cacluations that use .25 dB units */ + +struct wlc_info; + +/* maxpwr mapping to 5GHz band channels: + * maxpwr[0] - channels [34-48] + * maxpwr[1] - channels [52-60] + * maxpwr[2] - channels [62-64] + * maxpwr[3] - channels [100-140] + * maxpwr[4] - channels [149-165] + */ +#define BAND_5G_PWR_LVLS 5 /* 5 power levels for 5G */ + +/* power level in group of 2.4GHz band channels: + * maxpwr[0] - CCK channels [1] + * maxpwr[1] - CCK channels [2-10] + * maxpwr[2] - CCK channels [11-14] + * maxpwr[3] - OFDM channels [1] + * maxpwr[4] - OFDM channels [2-10] + * maxpwr[5] - OFDM channels [11-14] + */ + +/* macro to get 2.4 GHz channel group index for tx power */ +#define CHANNEL_POWER_IDX_2G_CCK(c) (((c) < 2) ? 0 : (((c) < 11) ? 1 : 2)) /* cck index */ +#define CHANNEL_POWER_IDX_2G_OFDM(c) (((c) < 2) ? 3 : (((c) < 11) ? 4 : 5)) /* ofdm index */ + +/* macro to get 5 GHz channel group index for tx power */ +#define CHANNEL_POWER_IDX_5G(c) \ + (((c) < 52) ? 0 : (((c) < 62) ? 1 : (((c) < 100) ? 2 : (((c) < 149) ? 3 : 4)))) + +#define WLC_MAXPWR_TBL_SIZE 6 /* max of BAND_5G_PWR_LVLS and 6 for 2.4 GHz */ +#define WLC_MAXPWR_MIMO_TBL_SIZE 14 /* max of BAND_5G_PWR_LVLS and 14 for 2.4 GHz */ + +/* locale channel and power info. */ +typedef struct { + u32 valid_channels; + u8 radar_channels; /* List of radar sensitive channels */ + u8 restricted_channels; /* List of channels used only if APs are detected */ + s8 maxpwr[WLC_MAXPWR_TBL_SIZE]; /* Max tx pwr in qdBm for each sub-band */ + s8 pub_maxpwr[BAND_5G_PWR_LVLS]; /* Country IE advertised max tx pwr in dBm + * per sub-band + */ + u8 flags; +} locale_info_t; + +/* bits for locale_info flags */ +#define WLC_PEAK_CONDUCTED 0x00 /* Peak for locals */ +#define WLC_EIRP 0x01 /* Flag for EIRP */ +#define WLC_DFS_TPC 0x02 /* Flag for DFS TPC */ +#define WLC_NO_OFDM 0x04 /* Flag for No OFDM */ +#define WLC_NO_40MHZ 0x08 /* Flag for No MIMO 40MHz */ +#define WLC_NO_MIMO 0x10 /* Flag for No MIMO, 20 or 40 MHz */ +#define WLC_RADAR_TYPE_EU 0x20 /* Flag for EU */ +#define WLC_DFS_FCC WLC_DFS_TPC /* Flag for DFS FCC */ +#define WLC_DFS_EU (WLC_DFS_TPC | WLC_RADAR_TYPE_EU) /* Flag for DFS EU */ + +#define ISDFS_EU(fl) (((fl) & WLC_DFS_EU) == WLC_DFS_EU) + +/* locale per-channel tx power limits for MIMO frames + * maxpwr arrays are index by channel for 2.4 GHz limits, and + * by sub-band for 5 GHz limits using CHANNEL_POWER_IDX_5G(channel) + */ +typedef struct { + s8 maxpwr20[WLC_MAXPWR_MIMO_TBL_SIZE]; /* tx 20 MHz power limits, qdBm units */ + s8 maxpwr40[WLC_MAXPWR_MIMO_TBL_SIZE]; /* tx 40 MHz power limits, qdBm units */ + u8 flags; +} locale_mimo_info_t; + +extern const chanvec_t chanvec_all_2G; +extern const chanvec_t chanvec_all_5G; + +/* + * Country names and abbreviations with locale defined from ISO 3166 + */ +struct country_info { + const u8 locale_2G; /* 2.4G band locale */ + const u8 locale_5G; /* 5G band locale */ + const u8 locale_mimo_2G; /* 2.4G mimo info */ + const u8 locale_mimo_5G; /* 5G mimo info */ +}; + +typedef struct country_info country_info_t; + +typedef struct wlc_cm_info wlc_cm_info_t; + +extern wlc_cm_info_t *wlc_channel_mgr_attach(struct wlc_info *wlc); +extern void wlc_channel_mgr_detach(wlc_cm_info_t *wlc_cm); + +extern int wlc_set_countrycode(wlc_cm_info_t *wlc_cm, const char *ccode); +extern int wlc_set_countrycode_rev(wlc_cm_info_t *wlc_cm, + const char *country_abbrev, + const char *ccode, int regrev); + +extern const char *wlc_channel_country_abbrev(wlc_cm_info_t *wlc_cm); +extern u8 wlc_channel_locale_flags(wlc_cm_info_t *wlc_cm); +extern u8 wlc_channel_locale_flags_in_band(wlc_cm_info_t *wlc_cm, + uint bandunit); + +extern void wlc_quiet_channels_reset(wlc_cm_info_t *wlc_cm); +extern bool wlc_quiet_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chspec); + +#define VALID_CHANNEL20_DB(wlc, val) wlc_valid_channel20_db((wlc)->cmi, val) +#define VALID_CHANNEL20_IN_BAND(wlc, bandunit, val) \ + wlc_valid_channel20_in_band((wlc)->cmi, bandunit, val) +#define VALID_CHANNEL20(wlc, val) wlc_valid_channel20((wlc)->cmi, val) +#define VALID_40CHANSPEC_IN_BAND(wlc, bandunit) wlc_valid_40chanspec_in_band((wlc)->cmi, bandunit) + +extern bool wlc_valid_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chspec); +extern bool wlc_valid_chanspec_db(wlc_cm_info_t *wlc_cm, chanspec_t chspec); +extern bool wlc_valid_channel20_db(wlc_cm_info_t *wlc_cm, uint val); +extern bool wlc_valid_channel20_in_band(wlc_cm_info_t *wlc_cm, uint bandunit, + uint val); +extern bool wlc_valid_channel20(wlc_cm_info_t *wlc_cm, uint val); +extern bool wlc_valid_40chanspec_in_band(wlc_cm_info_t *wlc_cm, uint bandunit); + +extern void wlc_channel_reg_limits(wlc_cm_info_t *wlc_cm, + chanspec_t chanspec, + struct txpwr_limits *txpwr); +extern void wlc_channel_set_chanspec(wlc_cm_info_t *wlc_cm, + chanspec_t chanspec, + u8 local_constraint_qdbm); +extern int wlc_channel_set_txpower_limit(wlc_cm_info_t *wlc_cm, + u8 local_constraint_qdbm); + +extern const country_info_t *wlc_country_lookup(struct wlc_info *wlc, + const char *ccode); +extern void wlc_locale_get_channels(const locale_info_t *locale, + chanvec_t *valid_channels); +extern const locale_info_t *wlc_get_locale_2g(u8 locale_idx); +extern const locale_info_t *wlc_get_locale_5g(u8 locale_idx); +extern bool wlc_japan(struct wlc_info *wlc); + +extern u8 wlc_get_regclass(wlc_cm_info_t *wlc_cm, chanspec_t chanspec); +extern bool wlc_channel_get_chanvec(struct wlc_info *wlc, + const char *country_abbrev, int bandtype, + chanvec_t *channels); + +#endif /* _WLC_CHANNEL_H */ |
