133 lines
4.6 KiB
C
133 lines
4.6 KiB
C
/*
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* Copyright (c) 2010 Broadcom Corporation
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _BRCM_CHANNEL_H_
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#define _BRCM_CHANNEL_H_
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/* conversion for phy txpwr calculations that use .25 dB units */
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#define BRCMS_TXPWR_DB_FACTOR 4
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/* maxpwr mapping to 5GHz band channels:
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* maxpwr[0] - channels [34-48]
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* maxpwr[1] - channels [52-60]
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* maxpwr[2] - channels [62-64]
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* maxpwr[3] - channels [100-140]
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* maxpwr[4] - channels [149-165]
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*/
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#define BAND_5G_PWR_LVLS 5 /* 5 power levels for 5G */
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/* power level in group of 2.4GHz band channels:
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* maxpwr[0] - CCK channels [1]
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* maxpwr[1] - CCK channels [2-10]
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* maxpwr[2] - CCK channels [11-14]
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* maxpwr[3] - OFDM channels [1]
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* maxpwr[4] - OFDM channels [2-10]
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* maxpwr[5] - OFDM channels [11-14]
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*/
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/* macro to get 2.4 GHz channel group index for tx power */
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#define CHANNEL_POWER_IDX_2G_CCK(c) (((c) < 2) ? 0 : (((c) < 11) ? 1 : 2)) /* cck index */
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#define CHANNEL_POWER_IDX_2G_OFDM(c) (((c) < 2) ? 3 : (((c) < 11) ? 4 : 5)) /* ofdm index */
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/* macro to get 5 GHz channel group index for tx power */
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#define CHANNEL_POWER_IDX_5G(c) \
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(((c) < 52) ? 0 : (((c) < 62) ? 1 : (((c) < 100) ? 2 : (((c) < 149) ? 3 : 4))))
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/* max of BAND_5G_PWR_LVLS and 6 for 2.4 GHz */
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#define BRCMS_MAXPWR_TBL_SIZE 6
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/* max of BAND_5G_PWR_LVLS and 14 for 2.4 GHz */
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#define BRCMS_MAXPWR_MIMO_TBL_SIZE 14
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#define NBANDS(wlc) ((wlc)->pub->_nbands)
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#define NBANDS_PUB(pub) ((pub)->_nbands)
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#define NBANDS_HW(hw) ((hw)->_nbands)
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#define IS_SINGLEBAND_5G(device) 0
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/* locale channel and power info. */
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struct locale_info {
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u32 valid_channels;
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/* List of radar sensitive channels */
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u8 radar_channels;
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/* List of channels used only if APs are detected */
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u8 restricted_channels;
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/* Max tx pwr in qdBm for each sub-band */
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s8 maxpwr[BRCMS_MAXPWR_TBL_SIZE];
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s8 pub_maxpwr[BAND_5G_PWR_LVLS]; /* Country IE advertised max tx pwr in dBm
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* per sub-band
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*/
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u8 flags;
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};
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/* bits for locale_info flags */
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#define BRCMS_PEAK_CONDUCTED 0x00 /* Peak for locals */
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#define BRCMS_EIRP 0x01 /* Flag for EIRP */
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#define BRCMS_DFS_TPC 0x02 /* Flag for DFS TPC */
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#define BRCMS_NO_OFDM 0x04 /* Flag for No OFDM */
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#define BRCMS_NO_40MHZ 0x08 /* Flag for No MIMO 40MHz */
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#define BRCMS_NO_MIMO 0x10 /* Flag for No MIMO, 20 or 40 MHz */
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#define BRCMS_RADAR_TYPE_EU 0x20 /* Flag for EU */
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#define BRCMS_DFS_FCC BRCMS_DFS_TPC /* Flag for DFS FCC */
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#define BRCMS_DFS_EU (BRCMS_DFS_TPC | BRCMS_RADAR_TYPE_EU) /* Flag for DFS EU */
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#define ISDFS_EU(fl) (((fl) & BRCMS_DFS_EU) == BRCMS_DFS_EU)
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/* locale per-channel tx power limits for MIMO frames
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* maxpwr arrays are index by channel for 2.4 GHz limits, and
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* by sub-band for 5 GHz limits using CHANNEL_POWER_IDX_5G(channel)
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*/
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struct locale_mimo_info {
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/* tx 20 MHz power limits, qdBm units */
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s8 maxpwr20[BRCMS_MAXPWR_MIMO_TBL_SIZE];
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/* tx 40 MHz power limits, qdBm units */
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s8 maxpwr40[BRCMS_MAXPWR_MIMO_TBL_SIZE];
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u8 flags;
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};
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extern const chanvec_t chanvec_all_2G;
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extern const chanvec_t chanvec_all_5G;
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/*
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* Country names and abbreviations with locale defined from ISO 3166
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*/
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struct country_info {
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const u8 locale_2G; /* 2.4G band locale */
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const u8 locale_5G; /* 5G band locale */
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const u8 locale_mimo_2G; /* 2.4G mimo info */
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const u8 locale_mimo_5G; /* 5G mimo info */
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};
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extern struct brcms_cm_info *
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brcms_c_channel_mgr_attach(struct brcms_c_info *wlc);
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extern void brcms_c_channel_mgr_detach(struct brcms_cm_info *wlc_cm);
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extern u8 brcms_c_channel_locale_flags_in_band(struct brcms_cm_info *wlc_cm,
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uint bandunit);
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extern bool brcms_c_valid_chanspec_db(struct brcms_cm_info *wlc_cm,
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chanspec_t chspec);
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extern void brcms_c_channel_reg_limits(struct brcms_cm_info *wlc_cm,
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chanspec_t chanspec,
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struct txpwr_limits *txpwr);
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extern void brcms_c_channel_set_chanspec(struct brcms_cm_info *wlc_cm,
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chanspec_t chanspec,
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u8 local_constraint_qdbm);
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#endif /* _WLC_CHANNEL_H */
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