1 /* 2 * Copyright (c) 2011,2017-2020 The Linux Foundation. All rights reserved. 3 * 4 * 5 * Permission to use, copy, modify, and/or distribute this software for 6 * any purpose with or without fee is hereby granted, provided that the 7 * above copyright notice and this permission notice appear in all 8 * copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 11 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 12 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE 13 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 14 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 15 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 16 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 17 * PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 #include <qdf_types.h> 21 #include "wlan_dfs_ioctl.h" 22 #include <spectral_ioctl.h> 23 24 #ifndef __KERNEL__ 25 #include <math.h> 26 #endif /* __KERNEL__ */ 27 28 #ifndef _WLAN_SPECTRAL_PUBLIC_STRUCTS_H_ 29 #define _WLAN_SPECTRAL_PUBLIC_STRUCTS_H_ 30 31 #ifndef AH_MAX_CHAINS 32 #define AH_MAX_CHAINS 3 33 #endif 34 35 #define MAX_NUM_CHANNELS 255 36 #define SPECTRAL_PHYERR_PARAM_NOVAL 65535 37 38 #ifdef SPECTRAL_USE_EMU_DEFAULTS 39 /* Use defaults from emulation */ 40 #define SPECTRAL_SCAN_ACTIVE_DEFAULT (0x0) 41 #define SPECTRAL_SCAN_ENABLE_DEFAULT (0x0) 42 #define SPECTRAL_SCAN_COUNT_DEFAULT (0x0) 43 #define SPECTRAL_SCAN_PERIOD_DEFAULT (250) 44 #define SPECTRAL_SCAN_PRIORITY_DEFAULT (0x1) 45 #define SPECTRAL_SCAN_FFT_SIZE_DEFAULT (0x7) 46 #define SPECTRAL_SCAN_GC_ENA_DEFAULT (0x1) 47 #define SPECTRAL_SCAN_RESTART_ENA_DEFAULT (0x0) 48 #define SPECTRAL_SCAN_NOISE_FLOOR_REF_DEFAULT (0xa0) 49 #define SPECTRAL_SCAN_INIT_DELAY_DEFAULT (0x50) 50 #define SPECTRAL_SCAN_NB_TONE_THR_DEFAULT (0xc) 51 #define SPECTRAL_SCAN_STR_BIN_THR_DEFAULT (0x7) 52 #define SPECTRAL_SCAN_WB_RPT_MODE_DEFAULT (0x0) 53 #define SPECTRAL_SCAN_RSSI_RPT_MODE_DEFAULT (0x1) 54 #define SPECTRAL_SCAN_RSSI_THR_DEFAULT (0xf) 55 #define SPECTRAL_SCAN_PWR_FORMAT_DEFAULT (0x1) 56 #define SPECTRAL_SCAN_RPT_MODE_DEFAULT (0x2) 57 #define SPECTRAL_SCAN_BIN_SCALE_DEFAULT (0x1) 58 #define SPECTRAL_SCAN_DBM_ADJ_DEFAULT (0x0) 59 #define SPECTRAL_SCAN_CHN_MASK_DEFAULT (0x1) 60 #else 61 /* 62 * Static default values for spectral state and configuration. 63 * These definitions should be treated as temporary. Ideally, 64 * we should get the defaults from firmware - this will be discussed. 65 * 66 * Use defaults from Spectral Hardware Micro-Architecture 67 * document (v1.0) 68 */ 69 #define SPECTRAL_SCAN_ACTIVE_DEFAULT (0) 70 #define SPECTRAL_SCAN_ENABLE_DEFAULT (0) 71 #define SPECTRAL_SCAN_COUNT_DEFAULT (0) 72 #define SPECTRAL_SCAN_PERIOD_GEN_I_DEFAULT (35) 73 #define SPECTRAL_SCAN_PERIOD_GEN_II_DEFAULT (35) 74 #define SPECTRAL_SCAN_PERIOD_GEN_III_DEFAULT (224) 75 #define SPECTRAL_SCAN_PRIORITY_DEFAULT (1) 76 #define SPECTRAL_SCAN_FFT_SIZE_DEFAULT (7) 77 #define SPECTRAL_SCAN_GC_ENA_DEFAULT (1) 78 #define SPECTRAL_SCAN_RESTART_ENA_DEFAULT (0) 79 #define SPECTRAL_SCAN_NOISE_FLOOR_REF_DEFAULT (-96) 80 #define SPECTRAL_SCAN_INIT_DELAY_DEFAULT (80) 81 #define SPECTRAL_SCAN_NB_TONE_THR_DEFAULT (12) 82 #define SPECTRAL_SCAN_STR_BIN_THR_DEFAULT (8) 83 #define SPECTRAL_SCAN_WB_RPT_MODE_DEFAULT (0) 84 #define SPECTRAL_SCAN_RSSI_RPT_MODE_DEFAULT (0) 85 #define SPECTRAL_SCAN_RSSI_THR_DEFAULT (0xf0) 86 #define SPECTRAL_SCAN_PWR_FORMAT_DEFAULT (0) 87 #define SPECTRAL_SCAN_RPT_MODE_DEFAULT (2) 88 #define SPECTRAL_SCAN_BIN_SCALE_DEFAULT (1) 89 #define SPECTRAL_SCAN_DBM_ADJ_DEFAULT (1) 90 #define SPECTRAL_SCAN_CHN_MASK_DEFAULT (1) 91 #define SPECTRAL_SCAN_FREQUENCY_DEFAULT (0) 92 #endif /* SPECTRAL_USE_EMU_DEFAULTS */ 93 94 /* The below two definitions apply only to pre-11ac chipsets */ 95 #define SPECTRAL_SCAN_SHORT_REPORT_DEFAULT (1) 96 #define SPECTRAL_SCAN_FFT_PERIOD_DEFAULT (1) 97 98 /* 99 * Definitions to help in scaling of gen3 linear format Spectral bins to values 100 * similar to those from gen2 chipsets. 101 */ 102 103 /* 104 * Max gain for QCA9984. Since this chipset is a prime representative of gen2 105 * chipsets, it is chosen for this value. 106 */ 107 #define SPECTRAL_QCA9984_MAX_GAIN (78) 108 109 /* Temporary section for hard-coded values. These need to come from FW. */ 110 111 /* Max gain for IPQ8074 */ 112 #define SPECTRAL_IPQ8074_DEFAULT_MAX_GAIN_HARDCODE (62) 113 114 /* 115 * Section for values needing tuning per customer platform. These too may need 116 * to come from FW. To be considered as hard-coded for now. 117 */ 118 119 /* 120 * If customers have a different gain line up than QCA reference designs for 121 * IPQ8074 and/or QCA9984, they may have to tune the low level threshold and 122 * the RSSI threshold. 123 */ 124 #define SPECTRAL_SCALING_LOW_LEVEL_OFFSET (7) 125 #define SPECTRAL_SCALING_RSSI_THRESH (5) 126 127 /* 128 * If customers set the AGC backoff differently, they may have to tune the high 129 * level threshold. 130 */ 131 #define SPECTRAL_SCALING_HIGH_LEVEL_OFFSET (5) 132 133 /* End of section for values needing fine tuning. */ 134 /* End of temporary section for hard-coded values */ 135 136 /** 137 * enum spectral_msg_buf_type - Spectral message buffer type 138 * @SPECTRAL_MSG_BUF_NEW: Allocate new buffer 139 * @SPECTRAL_MSG_BUF_SAVED: Reuse last buffer, used for secondary segment report 140 * in case of 160 MHz. 141 */ 142 enum spectral_msg_buf_type { 143 SPECTRAL_MSG_BUF_NEW, 144 SPECTRAL_MSG_BUF_SAVED, 145 SPECTRAL_MSG_BUF_TYPE_MAX, 146 }; 147 148 /** 149 * enum spectral_msg_type - Spectral SAMP message type 150 * @SPECTRAL_MSG_NORMAL_MODE: Normal mode Spectral SAMP message 151 * @SPECTRAL_MSG_AGILE_MODE: Agile mode Spectral SAMP message 152 * @SPECTRAL_MSG_INTERFERENCE_NOTIFICATION: Interference notification to 153 * external auto channel selection 154 * entity 155 * @SPECTRAL_MSG_TYPE_MAX: Spectral SAMP message type max 156 */ 157 enum spectral_msg_type { 158 SPECTRAL_MSG_NORMAL_MODE, 159 SPECTRAL_MSG_AGILE_MODE, 160 SPECTRAL_MSG_INTERFERENCE_NOTIFICATION, 161 SPECTRAL_MSG_TYPE_MAX, 162 }; 163 164 /** 165 * enum wlan_cfg80211_spectral_vendorcmd_handler_idx - Indices to cfg80211 166 * spectral vendor command handlers 167 * @SPECTRAL_SCAN_START_HANDLER_IDX: Index to SPECTRAL_SCAN_START handler 168 * @SPECTRAL_SCAN_STOP_HANDLER_IDX: Index to SPECTRAL_SCAN_STOP handler 169 * @SPECTRAL_SCAN_GET_CONFIG_HANDLER_IDX: Index to SPECTRAL_SCAN_GET_CONFIG 170 * handler 171 * @SPECTRAL_SCAN_GET_DIAG_STATS_HANDLER_IDX: Index to 172 * SPECTRAL_SCAN_GET_DIAG_STATS handler 173 * @SPECTRAL_SCAN_GET_CAP_HANDLER_IDX: Index to SPECTRAL_SCAN_GET_CAP handler 174 * @SPECTRAL_SCAN_GET_STATUS_HANDLER_IDX: Index to SPECTRAL_SCAN_GET_STATUS 175 * handler 176 * @SPECTRAL_SCAN_VENDOR_CMD_HANDLER_MAX: Number of cfg80211 spectral 177 * vendor command handlers supported 178 */ 179 enum wlan_cfg80211_spectral_vendorcmd_handler_idx { 180 SPECTRAL_SCAN_START_HANDLER_IDX, 181 SPECTRAL_SCAN_STOP_HANDLER_IDX, 182 SPECTRAL_SCAN_GET_CONFIG_HANDLER_IDX, 183 SPECTRAL_SCAN_GET_DIAG_STATS_HANDLER_IDX, 184 SPECTRAL_SCAN_GET_CAP_HANDLER_IDX, 185 SPECTRAL_SCAN_GET_STATUS_HANDLER_IDX, 186 SPECTRAL_SCAN_VENDOR_CMD_HANDLER_MAX, 187 }; 188 189 /** 190 * enum spectral_debug - Spectral debug level 191 * @DEBUG_SPECTRAL: Minimal SPECTRAL debug 192 * @DEBUG_SPECTRAL1: Normal SPECTRAL debug 193 * @DEBUG_SPECTRAL2: Maximal SPECTRAL debug 194 * @DEBUG_SPECTRAL3: Matched filterID display 195 * @DEBUG_SPECTRAL4: One time dump of FFT report 196 */ 197 enum spectral_debug { 198 DEBUG_SPECTRAL = 0x00000100, 199 DEBUG_SPECTRAL1 = 0x00000200, 200 DEBUG_SPECTRAL2 = 0x00000400, 201 DEBUG_SPECTRAL3 = 0x00000800, 202 DEBUG_SPECTRAL4 = 0x00001000, 203 }; 204 205 /** 206 * enum spectral_capability_type - Spectral capability type 207 * @SPECTRAL_CAP_PHYDIAG: Phydiag capability 208 * @SPECTRAL_CAP_RADAR: Radar detection capability 209 * @SPECTRAL_CAP_SPECTRAL_SCAN: Spectral capability 210 * @SPECTRAL_CAP_ADVNCD_SPECTRAL_SCAN: Advanced spectral capability 211 */ 212 enum spectral_capability_type { 213 SPECTRAL_CAP_PHYDIAG, 214 SPECTRAL_CAP_RADAR, 215 SPECTRAL_CAP_SPECTRAL_SCAN, 216 SPECTRAL_CAP_ADVNCD_SPECTRAL_SCAN, 217 }; 218 219 /** 220 * enum spectral_cp_error_code - Spectral control path response code 221 * @SPECTRAL_SCAN_RESP_ERR_INVALID: Invalid error identifier 222 * @SPECTRAL_SCAN_RESP_ERR_PARAM_UNSUPPORTED: parameter unsupported 223 * @SPECTRAL_SCAN_RESP_ERR_MODE_UNSUPPORTED: mode unsupported 224 * @SPECTRAL_SCAN_RESP_ERR_PARAM_INVALID_VALUE: invalid parameter value 225 * @SPECTRAL_SCAN_RESP_ERR_PARAM_NOT_INITIALIZED: parameter uninitialized 226 */ 227 enum spectral_cp_error_code { 228 SPECTRAL_SCAN_ERR_INVALID, 229 SPECTRAL_SCAN_ERR_PARAM_UNSUPPORTED, 230 SPECTRAL_SCAN_ERR_MODE_UNSUPPORTED, 231 SPECTRAL_SCAN_ERR_PARAM_INVALID_VALUE, 232 SPECTRAL_SCAN_ERR_PARAM_NOT_INITIALIZED, 233 }; 234 235 /** 236 * enum spectral_dma_debug - Spectral DMA debug 237 * @SPECTRAL_DMA_RING_DEBUG: Spectral DMA ring debug 238 * @SPECTRAL_DMA_BUFFER_DEBUG: Spectral DMA buffer debug 239 */ 240 enum spectral_dma_debug { 241 SPECTRAL_DMA_RING_DEBUG, 242 SPECTRAL_DMA_BUFFER_DEBUG, 243 }; 244 245 /** 246 * struct spectral_cp_param - Spectral control path data structure which 247 * contains parameter and its value 248 * @id: Parameter ID 249 * @value: Single parameter value 250 * @freq: Spectral scan frequency 251 */ 252 struct spectral_cp_param { 253 uint32_t id; 254 union { 255 uint32_t value; 256 struct spectral_config_frequency freq; 257 }; 258 }; 259 260 /** 261 * struct spectral_chan_stats - channel status info 262 * @cycle_count: Cycle count 263 * @channel_load: Channel load 264 * @per: Period 265 * @noisefloor: Noise floor 266 * @comp_usablity: Computed usability 267 * @maxregpower: Maximum allowed regulatory power 268 * @comp_usablity_sec80: Computed usability of secondary 80 Mhz 269 * @maxregpower_sec80: Max regulatory power of secondary 80 Mhz 270 */ 271 struct spectral_chan_stats { 272 int cycle_count; 273 int channel_load; 274 int per; 275 int noisefloor; 276 uint16_t comp_usablity; 277 int8_t maxregpower; 278 uint16_t comp_usablity_sec80; 279 int8_t maxregpower_sec80; 280 }; 281 282 /** 283 * struct spectral_diag_stats - spectral diag stats 284 * @spectral_mismatch: Spectral TLV signature mismatches 285 * @spectral_sec80_sfft_insufflen: Insufficient length when parsing for 286 * Secondary 80 Search FFT report 287 * @spectral_no_sec80_sfft: Secondary 80 Search FFT report 288 * TLV not found 289 * @spectral_vhtseg1id_mismatch: VHT Operation Segment 1 ID 290 * mismatches in Search FFT report 291 * @spectral_vhtseg2id_mismatch: VHT Operation Segment 2 ID 292 * mismatches in Search FFT report 293 * @spectral_invalid_detector_id: Invalid detector id 294 */ 295 struct spectral_diag_stats { 296 uint64_t spectral_mismatch; 297 uint64_t spectral_sec80_sfft_insufflen; 298 uint64_t spectral_no_sec80_sfft; 299 uint64_t spectral_vhtseg1id_mismatch; 300 uint64_t spectral_vhtseg2id_mismatch; 301 uint64_t spectral_invalid_detector_id; 302 }; 303 304 /** 305 * struct spectral_scan_state - State of spectral scan 306 * @is_active: Is spectral scan active 307 * @is_enabled: Is spectral scan enabled 308 */ 309 struct spectral_scan_state { 310 uint8_t is_active; 311 uint8_t is_enabled; 312 }; 313 314 /* Forward declarations */ 315 struct wlan_objmgr_pdev; 316 317 /** 318 * struct spectral_nl_cb - Spectral Netlink callbacks 319 * @get_sbuff: Get the socket buffer to send the data to the application 320 * @send_nl_bcast: Send data to the application using netlink broadcast 321 * @send_nl_unicast: Send data to the application using netlink unicast 322 * @free_sbuff: Free the socket buffer for a particular message type 323 */ 324 struct spectral_nl_cb { 325 void *(*get_sbuff)(struct wlan_objmgr_pdev *pdev, 326 enum spectral_msg_type smsg_type, 327 enum spectral_msg_buf_type buf_type); 328 int (*send_nl_bcast)(struct wlan_objmgr_pdev *pdev, 329 enum spectral_msg_type smsg_type); 330 int (*send_nl_unicast)(struct wlan_objmgr_pdev *pdev, 331 enum spectral_msg_type smsg_type); 332 void (*free_sbuff)(struct wlan_objmgr_pdev *pdev, 333 enum spectral_msg_type smsg_type); 334 }; 335 336 /** 337 * struct spectral_scan_config_request - Config request 338 * @sscan_config: Spectral parameters 339 * @sscan_err_code: Spectral scan error code 340 */ 341 struct spectral_scan_config_request { 342 struct spectral_config sscan_config; 343 enum spectral_cp_error_code sscan_err_code; 344 }; 345 346 /** 347 * struct spectral_scan_action_request - Action request 348 * @sscan_err_code: Spectral scan error code 349 */ 350 struct spectral_scan_action_request { 351 enum spectral_cp_error_code sscan_err_code; 352 }; 353 354 /** 355 * struct spectral_scan_get_caps_request - Get caps request 356 * @sscan_caps: Spectral capabilities 357 * @sscan_err_code: Spectral scan error code 358 */ 359 struct spectral_scan_get_caps_request { 360 struct spectral_caps sscan_caps; 361 enum spectral_cp_error_code sscan_err_code; 362 }; 363 364 /** 365 * struct spectral_scan_get_diag_request - Get diag request 366 * @sscan_diag: Spectral diag stats 367 * @sscan_err_code: Spectral scan error code 368 */ 369 struct spectral_scan_get_diag_request { 370 struct spectral_diag_stats sscan_diag; 371 enum spectral_cp_error_code sscan_err_code; 372 }; 373 374 /** 375 * struct spectral_scan_get_chan_width_request - Get channel width request 376 * @chan_width: Channel width 377 * @sscan_err_code: Spectral scan error code 378 */ 379 struct spectral_scan_get_chan_width_request { 380 uint32_t chan_width; 381 enum spectral_cp_error_code sscan_err_code; 382 }; 383 384 /** 385 * struct spectral_scan_get_status_request - Get status request 386 * @is_active: is Spectral scan active 387 * @is_enabled: is Spectral scan enabled 388 * @sscan_err_code: Spectral scan error code 389 */ 390 struct spectral_scan_get_status_request { 391 bool is_active; 392 bool is_enabled; 393 enum spectral_cp_error_code sscan_err_code; 394 }; 395 396 /** 397 * struct spectral_scan_debug_request - Get/set debug level request 398 * @spectral_dbg_level: Spectral debug level 399 * @sscan_err_code: Spectral scan error code 400 */ 401 struct spectral_scan_debug_request { 402 uint32_t spectral_dbg_level; 403 enum spectral_cp_error_code sscan_err_code; 404 }; 405 406 /** 407 * struct spectral_scan_dma_debug_request - DMA debug request 408 * @dma_debug_enable: Enable/disable @dma_debug_type 409 * @dma_debug_type: Type of Spectral DMA debug i.e., ring or buffer debug 410 * @sscan_err_code: Spectral scan error code 411 */ 412 struct spectral_scan_dma_debug_request { 413 bool dma_debug_enable; 414 enum spectral_dma_debug dma_debug_type; 415 enum spectral_cp_error_code sscan_err_code; 416 }; 417 418 /** 419 * struct spectral_cp_request - Spectral control path request 420 * Creating request and extracting response has to 421 * be atomic. 422 * @ss_mode: Spectral scan mode 423 * @req_id: Request identifier 424 * @dma_debug_req: Spectral DMA debug request 425 */ 426 struct spectral_cp_request { 427 enum spectral_scan_mode ss_mode; 428 uint8_t req_id; 429 union { 430 struct spectral_scan_config_request config_req; 431 struct spectral_scan_action_request action_req; 432 struct spectral_scan_get_caps_request caps_req; 433 struct spectral_scan_get_diag_request diag_req; 434 struct spectral_scan_get_chan_width_request chan_width_req; 435 struct spectral_scan_get_status_request status_req; 436 struct spectral_scan_debug_request debug_req; 437 struct spectral_scan_dma_debug_request dma_debug_req; 438 }; 439 }; 440 441 #ifndef __KERNEL__ 442 443 static inline int16_t 444 spectral_pwfactor_max(int16_t pwfactor1, 445 int16_t pwfactor2) 446 { 447 return ((pwfactor1 > pwfactor2) ? pwfactor1 : pwfactor2); 448 } 449 450 /** 451 * get_spectral_scale_rssi_corr() - Compute RSSI correction factor for scaling 452 * @agc_total_gain_db: AGC total gain in dB steps 453 * @gen3_defmaxgain: Default max gain value of the gen III chipset 454 * @gen2_maxgain: Max gain value used by the reference gen II chipset 455 * @lowlevel_offset: Low level offset for scaling 456 * @inband_pwr: In band power in dB steps 457 * @rssi_thr: RSSI threshold for scaling 458 * 459 * Helper function to compute RSSI correction factor for Gen III linear format 460 * Spectral scaling. It is the responsibility of the caller to ensure that 461 * correct values are passed. 462 * 463 * Return: RSSI correction factor 464 */ 465 static inline int16_t 466 get_spectral_scale_rssi_corr(u_int8_t agc_total_gain_db, 467 u_int8_t gen3_defmaxgain, u_int8_t gen2_maxgain, 468 int16_t lowlevel_offset, int16_t inband_pwr, 469 int16_t rssi_thr) 470 { 471 return ((agc_total_gain_db < gen3_defmaxgain) ? 472 (gen2_maxgain - gen3_defmaxgain + lowlevel_offset) : 473 spectral_pwfactor_max((inband_pwr - rssi_thr), 0)); 474 } 475 476 /** 477 * spectral_scale_linear_to_gen2() - Scale linear bin value to gen II equivalent 478 * @gen3_binmag: Captured FFT bin value from the Spectral Search FFT report 479 * generated by the Gen III chipset 480 * @gen2_maxgain: Max gain value used by the reference gen II chipset 481 * @gen3_defmaxgain: Default max gain value of the gen III chipset 482 * @lowlevel_offset: Low level offset for scaling 483 * @inband_pwr: In band power in dB steps 484 * @rssi_thr: RSSI threshold for scaling 485 * @agc_total_gain_db: AGC total gain in dB steps 486 * @highlevel_offset: High level offset for scaling 487 * @gen2_bin_scale: Bin scale value used on reference gen II chipset 488 * @gen3_bin_scale: Bin scale value used on gen III chipset 489 * 490 * Helper function to scale a given gen III linear format bin value into an 491 * approximately equivalent gen II value. The scaled value can possibly be 492 * higher than 8 bits. If the caller is incapable of handling values larger 493 * than 8 bits, the caller can saturate the value at 255. This function does not 494 * carry out this saturation for the sake of flexibility so that callers 495 * interested in the larger values can avail of this. Also note it is the 496 * responsibility of the caller to ensure that correct values are passed. 497 * 498 * Return: Scaled bin value 499 */ 500 static inline u_int32_t 501 spectral_scale_linear_to_gen2(u_int8_t gen3_binmag, 502 u_int8_t gen2_maxgain, u_int8_t gen3_defmaxgain, 503 int16_t lowlevel_offset, int16_t inband_pwr, 504 int16_t rssi_thr, u_int8_t agc_total_gain_db, 505 int16_t highlevel_offset, u_int8_t gen2_bin_scale, 506 u_int8_t gen3_bin_scale) 507 { 508 return (gen3_binmag * 509 sqrt(pow(10, (((double)spectral_pwfactor_max(gen2_maxgain - 510 gen3_defmaxgain + lowlevel_offset - 511 get_spectral_scale_rssi_corr(agc_total_gain_db, 512 gen3_defmaxgain, 513 gen2_maxgain, 514 lowlevel_offset, 515 inband_pwr, 516 rssi_thr), 517 (agc_total_gain_db < gen3_defmaxgain) * 518 highlevel_offset)) / 10))) * 519 pow(2, (gen3_bin_scale - gen2_bin_scale))); 520 } 521 522 #endif /* __KERNEL__ */ 523 524 #endif /* _WLAN_SPECTRAL_PUBLIC_STRUCTS_H_ */ 525