xref: /OK3568_Linux_fs/kernel/drivers/net/wireless/ath/ath9k/ani.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (c) 2008-2011 Atheros Communications Inc.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * Permission to use, copy, modify, and/or distribute this software for any
5*4882a593Smuzhiyun  * purpose with or without fee is hereby granted, provided that the above
6*4882a593Smuzhiyun  * copyright notice and this permission notice appear in all copies.
7*4882a593Smuzhiyun  *
8*4882a593Smuzhiyun  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9*4882a593Smuzhiyun  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10*4882a593Smuzhiyun  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11*4882a593Smuzhiyun  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12*4882a593Smuzhiyun  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13*4882a593Smuzhiyun  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14*4882a593Smuzhiyun  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15*4882a593Smuzhiyun  */
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun #ifndef ANI_H
18*4882a593Smuzhiyun #define ANI_H
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun #define BEACON_RSSI(ahp) (ahp->stats.avgbrssi)
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun /* units are errors per second */
23*4882a593Smuzhiyun #define ATH9K_ANI_OFDM_TRIG_HIGH           3500
24*4882a593Smuzhiyun #define ATH9K_ANI_OFDM_TRIG_HIGH_BELOW_INI 1000
25*4882a593Smuzhiyun #define ATH9K_ANI_OFDM_TRIG_HIGH_OLD       500
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun #define ATH9K_ANI_OFDM_TRIG_LOW           400
28*4882a593Smuzhiyun #define ATH9K_ANI_OFDM_TRIG_LOW_ABOVE_INI 900
29*4882a593Smuzhiyun #define ATH9K_ANI_OFDM_TRIG_LOW_OLD       200
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun #define ATH9K_ANI_CCK_TRIG_HIGH           600
32*4882a593Smuzhiyun #define ATH9K_ANI_CCK_TRIG_HIGH_OLD       200
33*4882a593Smuzhiyun #define ATH9K_ANI_CCK_TRIG_LOW            300
34*4882a593Smuzhiyun #define ATH9K_ANI_CCK_TRIG_LOW_OLD        100
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun #define ATH9K_ANI_SPUR_IMMUNE_LVL         3
37*4882a593Smuzhiyun #define ATH9K_ANI_FIRSTEP_LVL             2
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun #define ATH9K_ANI_RSSI_THR_HIGH           40
40*4882a593Smuzhiyun #define ATH9K_ANI_RSSI_THR_LOW            7
41*4882a593Smuzhiyun 
42*4882a593Smuzhiyun #define ATH9K_ANI_PERIOD                  300
43*4882a593Smuzhiyun 
44*4882a593Smuzhiyun /* in ms */
45*4882a593Smuzhiyun #define ATH9K_ANI_POLLINTERVAL            1000
46*4882a593Smuzhiyun 
47*4882a593Smuzhiyun #define ATH9K_SIG_FIRSTEP_SETTING_MIN     0
48*4882a593Smuzhiyun #define ATH9K_SIG_FIRSTEP_SETTING_MAX     20
49*4882a593Smuzhiyun #define ATH9K_SIG_SPUR_IMM_SETTING_MIN    0
50*4882a593Smuzhiyun #define ATH9K_SIG_SPUR_IMM_SETTING_MAX    22
51*4882a593Smuzhiyun 
52*4882a593Smuzhiyun /* values here are relative to the INI */
53*4882a593Smuzhiyun 
54*4882a593Smuzhiyun enum ath9k_ani_cmd {
55*4882a593Smuzhiyun 	ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION = 0x1,
56*4882a593Smuzhiyun 	ATH9K_ANI_FIRSTEP_LEVEL = 0x2,
57*4882a593Smuzhiyun 	ATH9K_ANI_SPUR_IMMUNITY_LEVEL = 0x4,
58*4882a593Smuzhiyun 	ATH9K_ANI_MRC_CCK = 0x8,
59*4882a593Smuzhiyun 	ATH9K_ANI_ALL = 0xfff
60*4882a593Smuzhiyun };
61*4882a593Smuzhiyun 
62*4882a593Smuzhiyun struct ath9k_mib_stats {
63*4882a593Smuzhiyun 	u32 ackrcv_bad;
64*4882a593Smuzhiyun 	u32 rts_bad;
65*4882a593Smuzhiyun 	u32 rts_good;
66*4882a593Smuzhiyun 	u32 fcs_bad;
67*4882a593Smuzhiyun 	u32 beacons;
68*4882a593Smuzhiyun };
69*4882a593Smuzhiyun 
70*4882a593Smuzhiyun /* INI default values for ANI registers */
71*4882a593Smuzhiyun struct ath9k_ani_default {
72*4882a593Smuzhiyun 	u16 m1ThreshLow;
73*4882a593Smuzhiyun 	u16 m2ThreshLow;
74*4882a593Smuzhiyun 	u16 m1Thresh;
75*4882a593Smuzhiyun 	u16 m2Thresh;
76*4882a593Smuzhiyun 	u16 m2CountThr;
77*4882a593Smuzhiyun 	u16 m2CountThrLow;
78*4882a593Smuzhiyun 	u16 m1ThreshLowExt;
79*4882a593Smuzhiyun 	u16 m2ThreshLowExt;
80*4882a593Smuzhiyun 	u16 m1ThreshExt;
81*4882a593Smuzhiyun 	u16 m2ThreshExt;
82*4882a593Smuzhiyun 	u16 firstep;
83*4882a593Smuzhiyun 	u16 firstepLow;
84*4882a593Smuzhiyun 	u16 cycpwrThr1;
85*4882a593Smuzhiyun 	u16 cycpwrThr1Ext;
86*4882a593Smuzhiyun };
87*4882a593Smuzhiyun 
88*4882a593Smuzhiyun struct ar5416AniState {
89*4882a593Smuzhiyun 	u8 noiseImmunityLevel;
90*4882a593Smuzhiyun 	u8 ofdmNoiseImmunityLevel;
91*4882a593Smuzhiyun 	u8 cckNoiseImmunityLevel;
92*4882a593Smuzhiyun 	bool ofdmsTurn;
93*4882a593Smuzhiyun 	u8 mrcCCK;
94*4882a593Smuzhiyun 	u8 spurImmunityLevel;
95*4882a593Smuzhiyun 	u8 firstepLevel;
96*4882a593Smuzhiyun 	bool ofdmWeakSigDetect;
97*4882a593Smuzhiyun 	u32 listenTime;
98*4882a593Smuzhiyun 	u32 ofdmPhyErrCount;
99*4882a593Smuzhiyun 	u32 cckPhyErrCount;
100*4882a593Smuzhiyun 	struct ath9k_ani_default iniDef;
101*4882a593Smuzhiyun };
102*4882a593Smuzhiyun 
103*4882a593Smuzhiyun struct ar5416Stats {
104*4882a593Smuzhiyun 	u32 ast_ani_spurup;
105*4882a593Smuzhiyun 	u32 ast_ani_spurdown;
106*4882a593Smuzhiyun 	u32 ast_ani_ofdmon;
107*4882a593Smuzhiyun 	u32 ast_ani_ofdmoff;
108*4882a593Smuzhiyun 	u32 ast_ani_cckhigh;
109*4882a593Smuzhiyun 	u32 ast_ani_ccklow;
110*4882a593Smuzhiyun 	u32 ast_ani_stepup;
111*4882a593Smuzhiyun 	u32 ast_ani_stepdown;
112*4882a593Smuzhiyun 	u32 ast_ani_ofdmerrs;
113*4882a593Smuzhiyun 	u32 ast_ani_cckerrs;
114*4882a593Smuzhiyun 	u32 ast_ani_reset;
115*4882a593Smuzhiyun 	u32 ast_ani_lneg_or_lzero;
116*4882a593Smuzhiyun 	u32 avgbrssi;
117*4882a593Smuzhiyun 	struct ath9k_mib_stats ast_mibstats;
118*4882a593Smuzhiyun };
119*4882a593Smuzhiyun #define ah_mibStats stats.ast_mibstats
120*4882a593Smuzhiyun 
121*4882a593Smuzhiyun void ath9k_enable_mib_counters(struct ath_hw *ah);
122*4882a593Smuzhiyun void ath9k_hw_disable_mib_counters(struct ath_hw *ah);
123*4882a593Smuzhiyun void ath9k_hw_ani_init(struct ath_hw *ah);
124*4882a593Smuzhiyun 
125*4882a593Smuzhiyun #endif /* ANI_H */
126