diff options
Diffstat (limited to 'drivers/staging/brcm80211/brcmsmac/channel.h')
| -rw-r--r-- | drivers/staging/brcm80211/brcmsmac/channel.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/drivers/staging/brcm80211/brcmsmac/channel.h b/drivers/staging/brcm80211/brcmsmac/channel.h new file mode 100644 index 000000000000..d22f2f5f592d --- /dev/null +++ b/drivers/staging/brcm80211/brcmsmac/channel.h @@ -0,0 +1,132 @@ +/* + * 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 _BRCM_CHANNEL_H_ +#define _BRCM_CHANNEL_H_ + +/* conversion for phy txpwr calculations that use .25 dB units */ +#define BRCMS_TXPWR_DB_FACTOR 4 + + +/* 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)))) + +/* max of BAND_5G_PWR_LVLS and 6 for 2.4 GHz */ +#define BRCMS_MAXPWR_TBL_SIZE 6 +/* max of BAND_5G_PWR_LVLS and 14 for 2.4 GHz */ +#define BRCMS_MAXPWR_MIMO_TBL_SIZE 14 + +#define NBANDS(wlc) ((wlc)->pub->_nbands) +#define NBANDS_PUB(pub) ((pub)->_nbands) +#define NBANDS_HW(hw) ((hw)->_nbands) + +#define IS_SINGLEBAND_5G(device) 0 + +/* locale channel and power info. */ +struct locale_info { + u32 valid_channels; + /* List of radar sensitive channels */ + u8 radar_channels; + /* List of channels used only if APs are detected */ + u8 restricted_channels; + /* Max tx pwr in qdBm for each sub-band */ + s8 maxpwr[BRCMS_MAXPWR_TBL_SIZE]; + s8 pub_maxpwr[BAND_5G_PWR_LVLS]; /* Country IE advertised max tx pwr in dBm + * per sub-band + */ + u8 flags; +}; + +/* bits for locale_info flags */ +#define BRCMS_PEAK_CONDUCTED 0x00 /* Peak for locals */ +#define BRCMS_EIRP 0x01 /* Flag for EIRP */ +#define BRCMS_DFS_TPC 0x02 /* Flag for DFS TPC */ +#define BRCMS_NO_OFDM 0x04 /* Flag for No OFDM */ +#define BRCMS_NO_40MHZ 0x08 /* Flag for No MIMO 40MHz */ +#define BRCMS_NO_MIMO 0x10 /* Flag for No MIMO, 20 or 40 MHz */ +#define BRCMS_RADAR_TYPE_EU 0x20 /* Flag for EU */ +#define BRCMS_DFS_FCC BRCMS_DFS_TPC /* Flag for DFS FCC */ +#define BRCMS_DFS_EU (BRCMS_DFS_TPC | BRCMS_RADAR_TYPE_EU) /* Flag for DFS EU */ + +#define ISDFS_EU(fl) (((fl) & BRCMS_DFS_EU) == BRCMS_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) + */ +struct locale_mimo_info { + /* tx 20 MHz power limits, qdBm units */ + s8 maxpwr20[BRCMS_MAXPWR_MIMO_TBL_SIZE]; + /* tx 40 MHz power limits, qdBm units */ + s8 maxpwr40[BRCMS_MAXPWR_MIMO_TBL_SIZE]; + u8 flags; +}; + +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 */ +}; + +extern struct brcms_cm_info * +brcms_c_channel_mgr_attach(struct brcms_c_info *wlc); + +extern void brcms_c_channel_mgr_detach(struct brcms_cm_info *wlc_cm); + +extern u8 brcms_c_channel_locale_flags_in_band(struct brcms_cm_info *wlc_cm, + uint bandunit); + +extern bool brcms_c_valid_chanspec_db(struct brcms_cm_info *wlc_cm, + chanspec_t chspec); + +extern void brcms_c_channel_reg_limits(struct brcms_cm_info *wlc_cm, + chanspec_t chanspec, + struct txpwr_limits *txpwr); +extern void brcms_c_channel_set_chanspec(struct brcms_cm_info *wlc_cm, + chanspec_t chanspec, + u8 local_constraint_qdbm); + +#endif /* _WLC_CHANNEL_H */ |