| /* |
| * Copyright (c) 2009-2012 Quantenna Communications, Inc. |
| * All rights reserved. |
| */ |
| #ifndef __DETECT_H__ |
| #define __DETECT_H__ |
| |
| #include <linux/spinlock.h> |
| #include "radar.h" |
| |
| /* structure to hold raw samples returned from hardware */ |
| typedef struct { |
| unsigned start; |
| unsigned stop; |
| #if (RADAR_MAX_POW_TRACK) |
| unsigned max_pow; |
| #endif |
| bool tagged; |
| } raw_pulse_t; |
| |
| /* configuration */ |
| typedef struct { |
| u8 region; |
| bool sta_dfs; |
| unsigned maxPowTh; |
| bool maxPowEnable; |
| |
| unsigned hwPwUBnd; |
| unsigned hwPwLBnd; |
| |
| unsigned swPwUBnd; |
| unsigned swPwLBnd; |
| |
| unsigned ssrPriUBnd; |
| unsigned ssrPriLBnd; |
| |
| unsigned ssrPwUBnd; |
| unsigned ssrPwLBnd; |
| |
| unsigned itlvPriUBnd; |
| unsigned itlvPriLBnd; |
| |
| unsigned itlvPriDiffUBnd; |
| unsigned itlvPriDiffLBnd; |
| |
| unsigned itlvPwUBnd; |
| unsigned itlvPwLBnd; |
| |
| unsigned lsrPriUBnd; |
| unsigned lsrPriLBnd; |
| |
| unsigned lsrPwUBnd; |
| unsigned lsrPwLBnd; |
| |
| unsigned lsr_fsm_invalid_maxcnt; |
| |
| unsigned maxPulseReadCnt; |
| |
| unsigned ssrMaxPulseCnt; |
| unsigned maxFrbdnPri; |
| unsigned minFrbdnPri; |
| |
| unsigned priNeighborRadius; |
| unsigned pwNeighborRadius; |
| unsigned lsrPwNeighborRadius; |
| |
| unsigned priClusterRadius; |
| unsigned pwClusterRadius; |
| |
| unsigned minFHpri; |
| unsigned maxFHpri; |
| int minFHpritol; |
| int maxFHpritol; |
| unsigned minFHw; |
| unsigned maxFHw; |
| unsigned localFHpercent; /* detection percent */ |
| |
| unsigned mergeSeparationMax; |
| |
| unsigned maxPulseCnt; |
| unsigned maxPulseCntLSR; |
| unsigned maxPulseCntFH; |
| unsigned minDetectTh; |
| unsigned lsrTimerShrt; |
| |
| unsigned lsr_min_pw_diff; |
| unsigned lsr_min_pcnt_diff; |
| unsigned lsr_min_chirp_detect; |
| unsigned lsr_max_chirp_reject; |
| unsigned lsr_min_diff_det_rej; |
| unsigned chirp_town_freq_th; |
| |
| unsigned ocac_lsr_min_chirp_detect; |
| unsigned ocac_lsr_burstcnt_lbnd; |
| unsigned ocac_lsrTimerShrt; |
| |
| bool fhDetectEnable; |
| bool itlvDetectEnable; |
| bool lsrDetectEnable; |
| bool detected_lsr_flag; |
| bool lsrEnhancedAlg; |
| bool localFHdetect; |
| bool tag; |
| |
| bool rateFilter; |
| long maxRate; |
| int maxInstRate; |
| long maxAllowedInstRate; /* max instantaneous date rate for radar processing */ |
| |
| unsigned win_size; |
| unsigned win_per_pulse; |
| |
| unsigned zcwin_per_pulse; |
| unsigned pw_2_zc_norm; |
| unsigned pulsetown_det_th; |
| unsigned pulsetown_det_th_eu_ocac; |
| |
| unsigned max_radar_pulse_cnt; |
| |
| unsigned max_lost_pulse_cnt; |
| unsigned lsr_timer_long; |
| unsigned lsr_burstcnt_lbnd; |
| unsigned lsr_burstcnt_ubnd; |
| bool lsr_off_center_det; |
| bool lsr_boost; |
| bool zc_diff_restrict; |
| unsigned zc_min_diff; |
| char region_str[7]; |
| |
| unsigned Korea2PriLbnd; |
| unsigned Korea2PriUbnd; |
| } detect_cfg_t; |
| |
| /* statistics */ |
| typedef struct { |
| unsigned detected_ssr; /* SSR detections */ |
| unsigned detected_itlv; /* ITLV radar detections */ |
| unsigned detected_lsr; /* LSR detections */ |
| unsigned detected_rjt; /* detections rejected based on the pulse history */ |
| |
| unsigned numDetectReq; /* radar detection requests */ |
| unsigned numSsrCandidate; /* SSR candidates */ |
| unsigned numItlvCandidate; /* interleaving radar candidates */ |
| unsigned numItlvVerifyStop; /* stopped itlv radar verification */ |
| |
| unsigned numRawPulse; /* raw pulses recorded in the radar memory */ |
| unsigned numMaxPollingPulse; /* max raw pulses recorded at polling */ |
| unsigned numProcRawPulse; /* processed raw pulses recorded in the radar memory */ |
| unsigned numProcMaxPollingPulse; /* max processed raw pulses recorded at polling */ |
| unsigned numReadPulse; /* pulses read from the radar memory for processing */ |
| unsigned numLeftPulse; /* pulses after preprocessing of read ones */ |
| unsigned numTagPulse; /* tagged pulses among read ones */ |
| unsigned numMergePulse; /* merged pulses */ |
| unsigned numPwFilterPulse; /* pulses discarded because of out-of-range pulse width */ |
| unsigned numPowFilterPulse; /* pulses discarded because of low maximum power */ |
| |
| unsigned numLsrLikeBurst; /* bursts that look part of a long sequence radar */ |
| |
| unsigned lastRadarMemIdx; |
| |
| unsigned burst_cnt; |
| unsigned pulse_cnt; |
| unsigned invalid_cnt; |
| |
| unsigned max_pw; |
| unsigned min_pw; |
| unsigned min_pulsecnt; |
| unsigned max_pulsecnt; |
| |
| unsigned chirp_det_cnt; |
| unsigned chirp_rej_cnt; |
| unsigned chirp_nsi_cnt; |
| |
| int zc_index_hist[MAX_RADAR_PULSE_READ_CNT]; |
| |
| |
| #define RADAR_PS_SIZE 10 |
| int radar_ps_buf [RADAR_PS_SIZE]; |
| int last_radar_ps_cnt; |
| int max_ps_cnt; |
| |
| /* info from the last detection */ |
| struct { |
| unsigned numPulse; |
| unsigned pri[3]; |
| unsigned pw; /* pulse width */ |
| } last; |
| } detect_sta_t; |
| |
| struct detect_drv_sample_t { |
| spinlock_t lock; |
| int tx_pkts; /* packets transmitted by driver in last sample period */ |
| int tx_bytes; /* bytes transmitted by driver in last sample period */ |
| }; |
| |
| typedef struct { |
| unsigned start; |
| unsigned pw; |
| unsigned pri; |
| } pulse_info_t; |
| |
| #define RADAR_REGION_US (1) |
| #define RADAR_REGION_EU (2) |
| #define RADAR_REGION_JP (3) |
| #define PULSETOWN_POPULATION (100) |
| #define PULSETOWN_SIZE_MAX (11) /* 9 */ |
| #define PULSETOWN_SIZE_MIN (6) |
| #define OCAC_PULSETOWN_SIZE_MIN (4) |
| #define OCAC_EU_WEATHER_PULSETOWN_SIZE_MIN (2) |
| #define PULSETOWN_ITLV_SIZE_MAX (18) |
| #define PULSETOWN_DETECTION_THRESHOLD2 (6) |
| #define OCAC_PULSETOWN_DETECTION_THRESHOLD2 (4) |
| #define OCAC_EU_WEATHER_PULSETOWN_DETECTION_THRESHOLD2 (2) |
| #define RADAR_PULSE_MOD (0x08000000) |
| #define RADAR_PULSE_MASK (RADAR_PULSE_MOD-1) |
| #define RADAR_PULSE_MOD_SHIFT_SIZE (27) |
| #define DEBUG_PROC_PRINT_LENGTH (PULSETOWN_ITLV_SIZE_MAX) |
| #define RADAR_CLUSTER_RADIUS (4) |
| /* MAX_VALID_CLUSTERS >= floor(PULSETOEN_ITLV_SIZE_MAX / RADAR_CLUSTER_RADIUS) */ |
| #define MAX_VALID_CLUSTERS (4) |
| #define TOTAL_ITLV_RADAR_HITS (11) |
| #define LSR_BURST_MINPULSECNT (1) |
| #define LSR_BURST_MAXPULSECNT (3) |
| #define RADAR_PRI_UPPER_BOUND_1 (13868) |
| #define RADAR_PRI_UPPER_BOUND_2 (14265) |
| #define RADAR_PRI_UPPER_BOUND_3 (39980) |
| #define RADAR_PRI_UPPER_BOUND_4 (38440) |
| #define RADAR_PRI_LOWER_BOUND_1 (5020) |
| #define RADAR_PRI_LOWER_BOUND_2 (13908) |
| #define RADAR_PRI_LOWER_BOUND_3 (14305) |
| #define RADAR_PRI_LOWER_BOUND_4 (38490) |
| #define W53_W56_SEPARATION_CHANNEL (100) |
| #define MAX_CHANNEL_NO_FOR_JAPAN (136) |
| #define MIN_CHANNEL_NO_FOR_JAPAN (36) |
| |
| typedef struct { |
| pulse_info_t pulse[PULSETOWN_POPULATION]; |
| unsigned size; |
| } pulse_town_t; |
| |
| /* control block */ |
| typedef struct { |
| detect_cfg_t cfg; |
| detect_sta_t sta; |
| |
| pulse_town_t town; |
| } detect_cb_t; |
| |
| /* zero-crossing call-back block */ |
| typedef struct { |
| int zc_mat[RADAR_ZERO_CROSS_PROC_PULSE_DEPTH][ZC_PER_PULSE]; |
| bool is_zc_accurate; |
| } zc_cb_t; |
| |
| extern bool detect_dbg_verbose; |
| extern bool detect_dbg_rdisp; |
| |
| extern detect_cb_t *detect_cb; |
| |
| void detect_init(detect_cb_t *cb); |
| void detect_reset(void); |
| bool detect_radar(raw_pulse_t *s, int count, int count_last_window, zc_cb_t *zc_cb); |
| bool detect_radar_poll(void); |
| bool isit_itlv(unsigned *pri_vec); |
| bool radar_post_detection_process(raw_pulse_t *s, int count); |
| struct detect_drv_sample_t *detect_drv_sample_loc_get(void); |
| |
| static inline unsigned diff(unsigned a, unsigned b) |
| { |
| return (a < b) ? (b-a) : (a-b); |
| } |
| |
| #endif /* __DETECT_H__ */ |
