2 * Copyright (c) 2008-2011 Atheros Communications Inc.
4 * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
5 * Original from Linux kernel 3.0.1
7 * Permission to use, copy, modify, and/or distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
23 FILE_LICENCE ( BSD2 );
25 #define HAL_PROCESS_ANI 0x00000001
27 #define DO_ANI(ah) (((ah)->proc_phyerr & HAL_PROCESS_ANI) && ah->curchan)
29 #define BEACON_RSSI(ahp) (ahp->stats.avgbrssi)
31 /* units are errors per second */
32 #define ATH9K_ANI_OFDM_TRIG_HIGH_OLD 500
33 #define ATH9K_ANI_OFDM_TRIG_HIGH_NEW 1000
35 /* units are errors per second */
36 #define ATH9K_ANI_OFDM_TRIG_LOW_OLD 200
37 #define ATH9K_ANI_OFDM_TRIG_LOW_NEW 400
39 /* units are errors per second */
40 #define ATH9K_ANI_CCK_TRIG_HIGH_OLD 200
41 #define ATH9K_ANI_CCK_TRIG_HIGH_NEW 600
43 /* units are errors per second */
44 #define ATH9K_ANI_CCK_TRIG_LOW_OLD 100
45 #define ATH9K_ANI_CCK_TRIG_LOW_NEW 300
47 #define ATH9K_ANI_NOISE_IMMUNE_LVL 4
48 #define ATH9K_ANI_USE_OFDM_WEAK_SIG 1
49 #define ATH9K_ANI_CCK_WEAK_SIG_THR 0
51 #define ATH9K_ANI_SPUR_IMMUNE_LVL_OLD 7
52 #define ATH9K_ANI_SPUR_IMMUNE_LVL_NEW 3
54 #define ATH9K_ANI_FIRSTEP_LVL_OLD 0
55 #define ATH9K_ANI_FIRSTEP_LVL_NEW 2
57 #define ATH9K_ANI_RSSI_THR_HIGH 40
58 #define ATH9K_ANI_RSSI_THR_LOW 7
60 #define ATH9K_ANI_PERIOD_OLD 100
61 #define ATH9K_ANI_PERIOD_NEW 1000
64 #define ATH9K_ANI_POLLINTERVAL_OLD 100
65 #define ATH9K_ANI_POLLINTERVAL_NEW 1000
67 #define HAL_NOISE_IMMUNE_MAX 4
68 #define HAL_SPUR_IMMUNE_MAX 7
69 #define HAL_FIRST_STEP_MAX 2
71 #define ATH9K_SIG_FIRSTEP_SETTING_MIN 0
72 #define ATH9K_SIG_FIRSTEP_SETTING_MAX 20
73 #define ATH9K_SIG_SPUR_IMM_SETTING_MIN 0
74 #define ATH9K_SIG_SPUR_IMM_SETTING_MAX 22
76 #define ATH9K_ANI_ENABLE_MRC_CCK 1
78 /* values here are relative to the INI */
81 ATH9K_ANI_PRESENT = 0x1,
82 ATH9K_ANI_NOISE_IMMUNITY_LEVEL = 0x2,
83 ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION = 0x4,
84 ATH9K_ANI_CCK_WEAK_SIGNAL_THR = 0x8,
85 ATH9K_ANI_FIRSTEP_LEVEL = 0x10,
86 ATH9K_ANI_SPUR_IMMUNITY_LEVEL = 0x20,
87 ATH9K_ANI_MODE = 0x40,
88 ATH9K_ANI_PHYERR_RESET = 0x80,
89 ATH9K_ANI_MRC_CCK = 0x100,
93 struct ath9k_mib_stats {
101 /* INI default values for ANI registers */
102 struct ath9k_ani_default {
119 struct ar5416AniState {
120 struct ath9k_channel *c;
121 u8 noiseImmunityLevel;
122 u8 ofdmNoiseImmunityLevel;
123 u8 cckNoiseImmunityLevel;
126 u8 spurImmunityLevel;
128 u8 ofdmWeakSigDetect;
129 u8 cckWeakSigThreshold;
137 int16_t ofdmErrRssi[2];
138 int16_t cckErrRssi[2];
139 struct ath9k_ani_default iniDef;
146 u32 ast_ani_spurdown;
152 u32 ast_ani_stepdown;
153 u32 ast_ani_ofdmerrs;
159 struct ath9k_mib_stats ast_mibstats;
161 #define ah_mibStats stats.ast_mibstats
163 void ath9k_enable_mib_counters(struct ath_hw *ah);
164 void ath9k_hw_disable_mib_counters(struct ath_hw *ah);
165 void ath9k_hw_ani_setup(struct ath_hw *ah);
166 void ath9k_hw_ani_init(struct ath_hw *ah);
167 int ath9k_hw_get_ani_channel_idx(struct ath_hw *ah,
168 struct ath9k_channel *chan);