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 spectral_debug - Spectral debug level 166 * @DEBUG_SPECTRAL: Minimal SPECTRAL debug 167 * @DEBUG_SPECTRAL1: Normal SPECTRAL debug 168 * @DEBUG_SPECTRAL2: Maximal SPECTRAL debug 169 * @DEBUG_SPECTRAL3: Matched filterID display 170 * @DEBUG_SPECTRAL4: One time dump of FFT report 171 */ 172 enum spectral_debug { 173 DEBUG_SPECTRAL = 0x00000100, 174 DEBUG_SPECTRAL1 = 0x00000200, 175 DEBUG_SPECTRAL2 = 0x00000400, 176 DEBUG_SPECTRAL3 = 0x00000800, 177 DEBUG_SPECTRAL4 = 0x00001000, 178 }; 179 180 /** 181 * enum spectral_capability_type - Spectral capability type 182 * @SPECTRAL_CAP_PHYDIAG: Phydiag capability 183 * @SPECTRAL_CAP_RADAR: Radar detection capability 184 * @SPECTRAL_CAP_SPECTRAL_SCAN: Spectral capability 185 * @SPECTRAL_CAP_ADVNCD_SPECTRAL_SCAN: Advanced spectral capability 186 */ 187 enum spectral_capability_type { 188 SPECTRAL_CAP_PHYDIAG, 189 SPECTRAL_CAP_RADAR, 190 SPECTRAL_CAP_SPECTRAL_SCAN, 191 SPECTRAL_CAP_ADVNCD_SPECTRAL_SCAN, 192 }; 193 194 /** 195 * enum spectral_cp_error_code - Spectral control path response code 196 * @SPECTRAL_SCAN_RESP_ERR_INVALID: Invalid error identifier 197 * @SPECTRAL_SCAN_RESP_ERR_PARAM_UNSUPPORTED: parameter unsupported 198 * @SPECTRAL_SCAN_RESP_ERR_MODE_UNSUPPORTED: mode unsupported 199 * @SPECTRAL_SCAN_RESP_ERR_PARAM_INVALID_VALUE: invalid parameter value 200 * @SPECTRAL_SCAN_RESP_ERR_PARAM_NOT_INITIALIZED: parameter uninitialized 201 */ 202 enum spectral_cp_error_code { 203 SPECTRAL_SCAN_ERR_INVALID, 204 SPECTRAL_SCAN_ERR_PARAM_UNSUPPORTED, 205 SPECTRAL_SCAN_ERR_MODE_UNSUPPORTED, 206 SPECTRAL_SCAN_ERR_PARAM_INVALID_VALUE, 207 SPECTRAL_SCAN_ERR_PARAM_NOT_INITIALIZED, 208 }; 209 210 /** 211 * enum spectral_dma_debug - Spectral DMA debug 212 * @SPECTRAL_DMA_RING_DEBUG: Spectral DMA ring debug 213 * @SPECTRAL_DMA_BUFFER_DEBUG: Spectral DMA buffer debug 214 */ 215 enum spectral_dma_debug { 216 SPECTRAL_DMA_RING_DEBUG, 217 SPECTRAL_DMA_BUFFER_DEBUG, 218 }; 219 220 struct wiphy; 221 222 /** 223 * struct spectral_cfg80211_vendor_cmd_handlers - Spectral vendor command 224 * handlers 225 * @wlan_cfg80211_spectral_scan_start: start scan handler 226 * @wlan_cfg80211_spectral_scan_stop: stop scan handler 227 * @wlan_cfg80211_spectral_scan_get_config: get config handler 228 * @wlan_cfg80211_spectral_scan_get_diag_stats: get diag stats handler 229 * @wlan_cfg80211_spectral_scan_get_cap: get capability handler 230 * @wlan_cfg80211_spectral_scan_get_status: get status handler 231 */ 232 struct spectral_cfg80211_vendor_cmd_handlers { 233 int (*wlan_cfg80211_spectral_scan_start)(struct wiphy *wiphy, 234 struct wlan_objmgr_pdev *pdev, 235 struct wlan_objmgr_vdev *vdev, 236 const void *data, 237 int data_len); 238 int (*wlan_cfg80211_spectral_scan_stop)(struct wiphy *wiphy, 239 struct wlan_objmgr_pdev *pdev, 240 struct wlan_objmgr_vdev *vdev, 241 const void *data, 242 int data_len); 243 int (*wlan_cfg80211_spectral_scan_get_config)( 244 struct wiphy *wiphy, 245 struct wlan_objmgr_pdev *pdev, 246 struct wlan_objmgr_vdev *vdev, 247 const void *data, 248 int data_len); 249 int (*wlan_cfg80211_spectral_scan_get_diag_stats)( 250 struct wiphy *wiphy, 251 struct wlan_objmgr_pdev *pdev, 252 struct wlan_objmgr_vdev *vdev, 253 const void *data, 254 int data_len); 255 int (*wlan_cfg80211_spectral_scan_get_cap)( 256 struct wiphy *wiphy, 257 struct wlan_objmgr_pdev *pdev, 258 struct wlan_objmgr_vdev *vdev, 259 const void *data, 260 int data_len); 261 int (*wlan_cfg80211_spectral_scan_get_status)( 262 struct wiphy *wiphy, 263 struct wlan_objmgr_pdev *pdev, 264 struct wlan_objmgr_vdev *vdev, 265 const void *data, 266 int data_len); 267 }; 268 269 /** 270 * struct spectral_cp_param - Spectral control path data structure which 271 * contains parameter and its value 272 * @id: Parameter ID 273 * @value: Single parameter value 274 * @freq: Spectral scan frequency 275 */ 276 struct spectral_cp_param { 277 uint32_t id; 278 union { 279 uint32_t value; 280 struct spectral_config_frequency freq; 281 }; 282 }; 283 284 /** 285 * struct spectral_chan_stats - channel status info 286 * @cycle_count: Cycle count 287 * @channel_load: Channel load 288 * @per: Period 289 * @noisefloor: Noise floor 290 * @comp_usablity: Computed usability 291 * @maxregpower: Maximum allowed regulatory power 292 * @comp_usablity_sec80: Computed usability of secondary 80 Mhz 293 * @maxregpower_sec80: Max regulatory power of secondary 80 Mhz 294 */ 295 struct spectral_chan_stats { 296 int cycle_count; 297 int channel_load; 298 int per; 299 int noisefloor; 300 uint16_t comp_usablity; 301 int8_t maxregpower; 302 uint16_t comp_usablity_sec80; 303 int8_t maxregpower_sec80; 304 }; 305 306 /** 307 * struct spectral_diag_stats - spectral diag stats 308 * @spectral_mismatch: Spectral TLV signature mismatches 309 * @spectral_sec80_sfft_insufflen: Insufficient length when parsing for 310 * Secondary 80 Search FFT report 311 * @spectral_no_sec80_sfft: Secondary 80 Search FFT report 312 * TLV not found 313 * @spectral_vhtseg1id_mismatch: VHT Operation Segment 1 ID 314 * mismatches in Search FFT report 315 * @spectral_vhtseg2id_mismatch: VHT Operation Segment 2 ID 316 * mismatches in Search FFT report 317 * @spectral_invalid_detector_id: Invalid detector id 318 */ 319 struct spectral_diag_stats { 320 uint64_t spectral_mismatch; 321 uint64_t spectral_sec80_sfft_insufflen; 322 uint64_t spectral_no_sec80_sfft; 323 uint64_t spectral_vhtseg1id_mismatch; 324 uint64_t spectral_vhtseg2id_mismatch; 325 uint64_t spectral_invalid_detector_id; 326 }; 327 328 /** 329 * struct spectral_scan_state - State of spectral scan 330 * @is_active: Is spectral scan active 331 * @is_enabled: Is spectral scan enabled 332 */ 333 struct spectral_scan_state { 334 uint8_t is_active; 335 uint8_t is_enabled; 336 }; 337 338 /* Forward declarations */ 339 struct wlan_objmgr_pdev; 340 341 /** 342 * struct spectral_nl_cb - Spectral Netlink callbacks 343 * @get_sbuff: Get the socket buffer to send the data to the application 344 * @send_nl_bcast: Send data to the application using netlink broadcast 345 * @send_nl_unicast: Send data to the application using netlink unicast 346 * @free_sbuff: Free the socket buffer for a particular message type 347 */ 348 struct spectral_nl_cb { 349 void *(*get_sbuff)(struct wlan_objmgr_pdev *pdev, 350 enum spectral_msg_type smsg_type, 351 enum spectral_msg_buf_type buf_type); 352 int (*send_nl_bcast)(struct wlan_objmgr_pdev *pdev, 353 enum spectral_msg_type smsg_type); 354 int (*send_nl_unicast)(struct wlan_objmgr_pdev *pdev, 355 enum spectral_msg_type smsg_type); 356 void (*free_sbuff)(struct wlan_objmgr_pdev *pdev, 357 enum spectral_msg_type smsg_type); 358 }; 359 360 /** 361 * struct spectral_scan_config_request - Config request 362 * @sscan_config: Spectral parameters 363 * @sscan_err_code: Spectral scan error code 364 */ 365 struct spectral_scan_config_request { 366 struct spectral_config sscan_config; 367 enum spectral_cp_error_code sscan_err_code; 368 }; 369 370 /** 371 * struct spectral_scan_action_request - Action request 372 * @sscan_err_code: Spectral scan error code 373 */ 374 struct spectral_scan_action_request { 375 enum spectral_cp_error_code sscan_err_code; 376 }; 377 378 /** 379 * struct spectral_scan_get_caps_request - Get caps request 380 * @sscan_caps: Spectral capabilities 381 * @sscan_err_code: Spectral scan error code 382 */ 383 struct spectral_scan_get_caps_request { 384 struct spectral_caps sscan_caps; 385 enum spectral_cp_error_code sscan_err_code; 386 }; 387 388 /** 389 * struct spectral_scan_get_diag_request - Get diag request 390 * @sscan_diag: Spectral diag stats 391 * @sscan_err_code: Spectral scan error code 392 */ 393 struct spectral_scan_get_diag_request { 394 struct spectral_diag_stats sscan_diag; 395 enum spectral_cp_error_code sscan_err_code; 396 }; 397 398 /** 399 * struct spectral_scan_get_chan_width_request - Get channel width request 400 * @chan_width: Channel width 401 * @sscan_err_code: Spectral scan error code 402 */ 403 struct spectral_scan_get_chan_width_request { 404 uint32_t chan_width; 405 enum spectral_cp_error_code sscan_err_code; 406 }; 407 408 /** 409 * struct spectral_scan_get_status_request - Get status request 410 * @is_active: is Spectral scan active 411 * @is_enabled: is Spectral scan enabled 412 * @sscan_err_code: Spectral scan error code 413 */ 414 struct spectral_scan_get_status_request { 415 bool is_active; 416 bool is_enabled; 417 enum spectral_cp_error_code sscan_err_code; 418 }; 419 420 /** 421 * struct spectral_scan_debug_request - Get/set debug level request 422 * @spectral_dbg_level: Spectral debug level 423 * @sscan_err_code: Spectral scan error code 424 */ 425 struct spectral_scan_debug_request { 426 uint32_t spectral_dbg_level; 427 enum spectral_cp_error_code sscan_err_code; 428 }; 429 430 /** 431 * struct spectral_scan_dma_debug_request - DMA debug request 432 * @dma_debug_enable: Enable/disable @dma_debug_type 433 * @dma_debug_type: Type of Spectral DMA debug i.e., ring or buffer debug 434 * @sscan_err_code: Spectral scan error code 435 */ 436 struct spectral_scan_dma_debug_request { 437 bool dma_debug_enable; 438 enum spectral_dma_debug dma_debug_type; 439 enum spectral_cp_error_code sscan_err_code; 440 }; 441 442 /** 443 * struct spectral_cp_request - Spectral control path request 444 * Creating request and extracting response has to 445 * be atomic. 446 * @ss_mode: Spectral scan mode 447 * @req_id: Request identifier 448 * @vdev_id: VDEV id 449 * @dma_debug_req: Spectral DMA debug request 450 */ 451 struct spectral_cp_request { 452 enum spectral_scan_mode ss_mode; 453 uint8_t req_id; 454 uint8_t vdev_id; 455 union { 456 struct spectral_scan_config_request config_req; 457 struct spectral_scan_action_request action_req; 458 struct spectral_scan_get_caps_request caps_req; 459 struct spectral_scan_get_diag_request diag_req; 460 struct spectral_scan_get_chan_width_request chan_width_req; 461 struct spectral_scan_get_status_request status_req; 462 struct spectral_scan_debug_request debug_req; 463 struct spectral_scan_dma_debug_request dma_debug_req; 464 }; 465 }; 466 467 #ifndef __KERNEL__ 468 469 static inline int16_t 470 spectral_pwfactor_max(int16_t pwfactor1, 471 int16_t pwfactor2) 472 { 473 return ((pwfactor1 > pwfactor2) ? pwfactor1 : pwfactor2); 474 } 475 476 /** 477 * get_spectral_scale_rssi_corr() - Compute RSSI correction factor for scaling 478 * @agc_total_gain_db: AGC total gain in dB steps 479 * @gen3_defmaxgain: Default max gain value of the gen III chipset 480 * @gen2_maxgain: Max gain value used by the reference gen II chipset 481 * @lowlevel_offset: Low level offset for scaling 482 * @inband_pwr: In band power in dB steps 483 * @rssi_thr: RSSI threshold for scaling 484 * 485 * Helper function to compute RSSI correction factor for Gen III linear format 486 * Spectral scaling. It is the responsibility of the caller to ensure that 487 * correct values are passed. 488 * 489 * Return: RSSI correction factor 490 */ 491 static inline int16_t 492 get_spectral_scale_rssi_corr(u_int8_t agc_total_gain_db, 493 u_int8_t gen3_defmaxgain, u_int8_t gen2_maxgain, 494 int16_t lowlevel_offset, int16_t inband_pwr, 495 int16_t rssi_thr) 496 { 497 return ((agc_total_gain_db < gen3_defmaxgain) ? 498 (gen2_maxgain - gen3_defmaxgain + lowlevel_offset) : 499 spectral_pwfactor_max((inband_pwr - rssi_thr), 0)); 500 } 501 502 /** 503 * spectral_scale_linear_to_gen2() - Scale linear bin value to gen II equivalent 504 * @gen3_binmag: Captured FFT bin value from the Spectral Search FFT report 505 * generated by the Gen III chipset 506 * @gen2_maxgain: Max gain value used by the reference gen II chipset 507 * @gen3_defmaxgain: Default max gain value of the gen III chipset 508 * @lowlevel_offset: Low level offset for scaling 509 * @inband_pwr: In band power in dB steps 510 * @rssi_thr: RSSI threshold for scaling 511 * @agc_total_gain_db: AGC total gain in dB steps 512 * @highlevel_offset: High level offset for scaling 513 * @gen2_bin_scale: Bin scale value used on reference gen II chipset 514 * @gen3_bin_scale: Bin scale value used on gen III chipset 515 * 516 * Helper function to scale a given gen III linear format bin value into an 517 * approximately equivalent gen II value. The scaled value can possibly be 518 * higher than 8 bits. If the caller is incapable of handling values larger 519 * than 8 bits, the caller can saturate the value at 255. This function does not 520 * carry out this saturation for the sake of flexibility so that callers 521 * interested in the larger values can avail of this. Also note it is the 522 * responsibility of the caller to ensure that correct values are passed. 523 * 524 * Return: Scaled bin value 525 */ 526 static inline u_int32_t 527 spectral_scale_linear_to_gen2(u_int8_t gen3_binmag, 528 u_int8_t gen2_maxgain, u_int8_t gen3_defmaxgain, 529 int16_t lowlevel_offset, int16_t inband_pwr, 530 int16_t rssi_thr, u_int8_t agc_total_gain_db, 531 int16_t highlevel_offset, u_int8_t gen2_bin_scale, 532 u_int8_t gen3_bin_scale) 533 { 534 return (gen3_binmag * 535 sqrt(pow(10, (((double)spectral_pwfactor_max(gen2_maxgain - 536 gen3_defmaxgain + lowlevel_offset - 537 get_spectral_scale_rssi_corr(agc_total_gain_db, 538 gen3_defmaxgain, 539 gen2_maxgain, 540 lowlevel_offset, 541 inband_pwr, 542 rssi_thr), 543 (agc_total_gain_db < gen3_defmaxgain) * 544 highlevel_offset)) / 10))) * 545 pow(2, (gen3_bin_scale - gen2_bin_scale))); 546 } 547 548 #endif /* __KERNEL__ */ 549 550 #endif /* _WLAN_SPECTRAL_PUBLIC_STRUCTS_H_ */ 551