Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2011-2014 The Linux Foundation. All rights reserved. |
| 3 | * |
| 4 | * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| 5 | * |
| 6 | * |
| 7 | * Permission to use, copy, modify, and/or distribute this software for |
| 8 | * any purpose with or without fee is hereby granted, provided that the |
| 9 | * above copyright notice and this permission notice appear in all |
| 10 | * copies. |
| 11 | * |
| 12 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 13 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 14 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 15 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 16 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 17 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 18 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 19 | * PERFORMANCE OF THIS SOFTWARE. |
| 20 | */ |
| 21 | |
| 22 | /* |
| 23 | * This file was originally distributed by Qualcomm Atheros, Inc. |
| 24 | * under proprietary terms before Copyright ownership was assigned |
| 25 | * to the Linux Foundation. |
| 26 | */ |
| 27 | |
| 28 | /*=========================================================================== |
| 29 | |
| 30 | ath_dfs_structs.h |
| 31 | |
| 32 | OVERVIEW: |
| 33 | |
| 34 | Source code borrowed from QCA_MAIN DFS module |
| 35 | |
| 36 | DEPENDENCIES: |
| 37 | |
| 38 | Are listed for each API below. |
| 39 | |
| 40 | ===========================================================================*/ |
| 41 | |
| 42 | /*=========================================================================== |
| 43 | |
| 44 | EDIT HISTORY FOR FILE |
| 45 | |
| 46 | This section contains comments describing changes made to the module. |
| 47 | Notice that changes are listed in reverse chronological order. |
| 48 | |
| 49 | when who what, where, why |
| 50 | ---------- --- -------------------------------------------------------- |
| 51 | |
| 52 | ===========================================================================*/ |
| 53 | |
| 54 | #ifndef _DFS__STRUCTS_H_ |
| 55 | #define _DFS__STRUCTS_H_ |
| 56 | #include <cdf_memory.h> |
| 57 | |
| 58 | #ifdef ANDROID |
| 59 | #include <linux/string.h> |
| 60 | #endif |
| 61 | |
| 62 | /* |
| 63 | * For the dfs_nol_clist_update() method - this is the |
| 64 | * update command. |
| 65 | */ |
| 66 | enum { |
| 67 | DFS_NOL_CLIST_CMD_NONE = 0x0, |
| 68 | DFS_NOL_CLIST_CMD_UPDATE = 0x1, |
| 69 | }; |
| 70 | |
| 71 | struct ath_dfs_caps { |
| 72 | uint32_t ath_dfs_ext_chan_ok:1, |
| 73 | /* Can radar be detected on the extension chan? */ |
| 74 | ath_dfs_combined_rssi_ok:1, |
| 75 | /* Can use combined radar RSSI? |
| 76 | * the following flag is used to indicate if radar detection |
| 77 | * scheme should use enhanced chirping detection algorithm. |
| 78 | * This flag also determines if certain radar data should be |
| 79 | * discarded to minimize false detection of radar. |
| 80 | */ |
| 81 | ath_dfs_use_enhancement:1, |
| 82 | ath_strong_signal_diversiry:1, |
| 83 | ath_chip_is_bb_tlv:1; |
| 84 | |
| 85 | /* |
| 86 | * goes with ath_strong_signal_diversiry: |
| 87 | * If we have fast diversity capability, read off |
| 88 | * Strong Signal fast diversity count set in the ini |
| 89 | * file, and store so we can restore the value when |
| 90 | * radar is disabled |
| 91 | */ |
| 92 | uint32_t ath_fastdiv_val; |
| 93 | }; |
| 94 | |
| 95 | /* |
| 96 | * These are defined in the HAL for now, and must be migrated outside |
| 97 | * of there in order to be used by the new partial offload data path. |
| 98 | */ |
| 99 | |
| 100 | struct dfs_pulse { |
| 101 | uint32_t rp_numpulses; /* Num of pulses in radar burst */ |
| 102 | uint32_t rp_pulsedur; /* Duration of each pulse in usecs */ |
| 103 | uint32_t rp_pulsefreq; /* Frequency of pulses in burst */ |
| 104 | uint32_t rp_max_pulsefreq; /* Frequency of pulses in burst */ |
| 105 | uint32_t rp_patterntype; /* fixed or variable pattern type */ |
| 106 | uint32_t rp_pulsevar; /* Time variation of pulse duration for |
| 107 | matched filter (single-sided) in usecs */ |
| 108 | uint32_t rp_threshold; /* Threshold for MF output to indicateC |
| 109 | radar match */ |
| 110 | uint32_t rp_mindur; /* Min pulse duration to be considered for |
| 111 | this pulse type */ |
| 112 | uint32_t rp_maxdur; /* Max pusle duration to be considered for |
| 113 | this pulse type */ |
| 114 | uint32_t rp_rssithresh; /* Min rssi to be considered a radar pulse */ |
| 115 | uint32_t rp_meanoffset; /* Offset for timing adjustment */ |
| 116 | int32_t rp_rssimargin; /* rssi threshold margin. In Turbo Mode HW |
| 117 | * reports rssi 3dBm lower than in non TURBO |
| 118 | * mode. This will be used to offset that |
| 119 | * diff. |
| 120 | */ |
| 121 | uint32_t rp_ignore_pri_window; |
| 122 | uint32_t rp_pulseid; /* Unique ID for identifying filter */ |
| 123 | }; |
| 124 | |
| 125 | struct dfs_staggered_pulse { |
| 126 | uint32_t rp_numpulses; /* Num of pulses in radar burst */ |
| 127 | uint32_t rp_pulsedur; /* Duration of each pulse in usecs */ |
| 128 | uint32_t rp_min_pulsefreq; /* Frequency of pulses in burst */ |
| 129 | uint32_t rp_max_pulsefreq; /* Frequency of pulses in burst */ |
| 130 | uint32_t rp_patterntype; /* fixed or variable pattern type */ |
| 131 | uint32_t rp_pulsevar; /* Time variation of pulse duration for |
| 132 | matched filter (single-sided) in usecs */ |
| 133 | uint32_t rp_threshold; /* Thershold for MF output to indicateC |
| 134 | radar match */ |
| 135 | uint32_t rp_mindur; /* Min pulse duration to be considered for |
| 136 | this pulse type */ |
| 137 | uint32_t rp_maxdur; /* Max pusle duration to be considered for |
| 138 | this pulse type */ |
| 139 | uint32_t rp_rssithresh; /* Min rssi to be considered a radar pulse */ |
| 140 | uint32_t rp_meanoffset; /* Offset for timing adjustment */ |
| 141 | int32_t rp_rssimargin; /* rssi threshold margin. In Turbo Mode HW |
| 142 | reports rssi 3dBm lower than in non TURBO |
| 143 | mode. This will be used to offset that |
| 144 | diff. */ |
| 145 | uint32_t rp_pulseid; /* Unique ID for identifying filter */ |
| 146 | }; |
| 147 | |
| 148 | struct dfs_bin5pulse { |
| 149 | uint32_t b5_threshold; /* Num of bin5 pulses to indicate detection */ |
| 150 | uint32_t b5_mindur; /* Min duration for a bin5 pulse */ |
| 151 | uint32_t b5_maxdur; /* Max duration for a bin5 pulse */ |
| 152 | uint32_t b5_timewindow; /* Window over which to count bin5 pulses */ |
| 153 | uint32_t b5_rssithresh; /* Min rssi to be considered a pulse */ |
| 154 | uint32_t b5_rssimargin; /* rssi threshold margin. In Turbo Mode HW |
| 155 | * reports rssi 3dB |
| 156 | */ |
| 157 | }; |
| 158 | |
| 159 | /* |
| 160 | * DFS NOL representation. |
| 161 | * |
| 162 | * This is used to represent the DFS NOL information between the |
| 163 | * NOL code in lmac/dfs/dfs_nol.c and any driver layer wishing |
| 164 | * to use it. |
| 165 | */ |
| 166 | struct dfs_nol_chan_entry { |
| 167 | uint32_t nol_chfreq; /* Centre frequency, MHz */ |
| 168 | uint32_t nol_chwidth; /* Width, MHz */ |
| 169 | unsigned long nol_start_ticks; /* start ticks, OS specific */ |
| 170 | uint32_t nol_timeout_ms; /* timeout, mS */ |
| 171 | }; |
| 172 | |
| 173 | /* HAL_PHYERR_PARAM; */ |
| 174 | |
| 175 | /* |
| 176 | * This represents the general case of the radar PHY configuration, |
| 177 | * across all chips. |
| 178 | * |
| 179 | * It's then up to each chip layer to translate to/from this |
| 180 | * (eg to HAL_PHYERR_PARAM for the HAL case.) |
| 181 | */ |
| 182 | |
| 183 | #define ATH_DFS_PHYERR_PARAM_NOVAL 0xFFFF |
| 184 | #define ATH_DFS_PHYERR_PARAM_ENABLE 0x8000 |
| 185 | |
| 186 | struct ath_dfs_phyerr_param { |
| 187 | int32_t pe_firpwr; /* FIR pwr out threshold */ |
| 188 | int32_t pe_rrssi; /* Radar rssi thresh */ |
| 189 | int32_t pe_height; /* Pulse height thresh */ |
| 190 | int32_t pe_prssi; /* Pulse rssi thresh */ |
| 191 | int32_t pe_inband; /* Inband thresh */ |
| 192 | |
| 193 | /* The following params are only for AR5413 and later */ |
| 194 | /* |
| 195 | * Relative power threshold in 0.5dB steps |
| 196 | */ |
| 197 | uint32_t pe_relpwr; |
| 198 | |
| 199 | /* |
| 200 | * Pulse Relative step threshold in 0.5dB steps |
| 201 | */ |
| 202 | uint32_t pe_relstep; |
| 203 | |
| 204 | /* |
| 205 | * Max length of radar sign in 0.8us units |
| 206 | */ |
| 207 | uint32_t pe_maxlen; |
| 208 | |
| 209 | /* |
| 210 | * Use the average in-band power measured over 128 cycles |
| 211 | */ |
| 212 | bool pe_usefir128; |
| 213 | |
| 214 | /* |
| 215 | * Enable to block radar check if pkt detect is done via OFDM |
| 216 | * weak signal detect or pkt is detected immediately after tx |
| 217 | * to rx transition |
| 218 | */ |
| 219 | bool pe_blockradar; |
| 220 | |
| 221 | /* |
| 222 | * Enable to use the max rssi instead of the last rssi during |
| 223 | * fine gain changes for radar detection |
| 224 | */ |
| 225 | bool pe_enmaxrssi; |
| 226 | }; |
| 227 | |
| 228 | static inline void ath_dfs_phyerr_param_copy(struct ath_dfs_phyerr_param *dst, |
| 229 | struct ath_dfs_phyerr_param *src) |
| 230 | { |
| 231 | cdf_mem_copy(dst, src, sizeof(*dst)); |
| 232 | } |
| 233 | |
| 234 | static inline void ath_dfs_phyerr_init_noval(struct ath_dfs_phyerr_param *pe) |
| 235 | { |
| 236 | pe->pe_firpwr = ATH_DFS_PHYERR_PARAM_NOVAL; |
| 237 | pe->pe_rrssi = ATH_DFS_PHYERR_PARAM_NOVAL; |
| 238 | pe->pe_height = ATH_DFS_PHYERR_PARAM_NOVAL; |
| 239 | pe->pe_prssi = ATH_DFS_PHYERR_PARAM_NOVAL; |
| 240 | pe->pe_inband = ATH_DFS_PHYERR_PARAM_NOVAL; |
| 241 | pe->pe_relpwr = ATH_DFS_PHYERR_PARAM_NOVAL; |
| 242 | pe->pe_relstep = ATH_DFS_PHYERR_PARAM_NOVAL; |
| 243 | pe->pe_maxlen = ATH_DFS_PHYERR_PARAM_NOVAL; |
| 244 | |
| 245 | /* XXX what about usefir128, blockradar, enmaxrssi? */ |
| 246 | } |
| 247 | |
| 248 | struct ath_dfs_radar_tab_info { |
| 249 | uint32_t dfsdomain; |
| 250 | int numradars; |
| 251 | struct dfs_pulse *dfs_radars; |
| 252 | int numb5radars; |
| 253 | struct dfs_bin5pulse *b5pulses; |
| 254 | struct ath_dfs_phyerr_param dfs_defaultparams; |
| 255 | int dfs_pri_multiplier; |
| 256 | }; |
| 257 | #endif /* _DFS__STRUCTS_H_ */ |