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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6/drivers/net/wireless/ath/ath9k/
1/*
2 * Copyright (c) 2008-2009 Atheros Communications Inc.
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17#ifndef ANI_H
18#define ANI_H
19
20#define HAL_PROCESS_ANI           0x00000001
21
22#define DO_ANI(ah) (((ah)->proc_phyerr & HAL_PROCESS_ANI))
23
24#define BEACON_RSSI(ahp) (ahp->stats.avgbrssi)
25
26/* units are errors per second */
27#define ATH9K_ANI_OFDM_TRIG_HIGH_OLD      500
28#define ATH9K_ANI_OFDM_TRIG_HIGH_NEW      1000
29
30/* units are errors per second */
31#define ATH9K_ANI_OFDM_TRIG_LOW_OLD       200
32#define ATH9K_ANI_OFDM_TRIG_LOW_NEW       400
33
34/* units are errors per second */
35#define ATH9K_ANI_CCK_TRIG_HIGH_OLD       200
36#define ATH9K_ANI_CCK_TRIG_HIGH_NEW       600
37
38/* units are errors per second */
39#define ATH9K_ANI_CCK_TRIG_LOW_OLD        100
40#define ATH9K_ANI_CCK_TRIG_LOW_NEW        300
41
42#define ATH9K_ANI_NOISE_IMMUNE_LVL        4
43#define ATH9K_ANI_USE_OFDM_WEAK_SIG       true
44#define ATH9K_ANI_CCK_WEAK_SIG_THR        false
45
46#define ATH9K_ANI_SPUR_IMMUNE_LVL_OLD     7
47#define ATH9K_ANI_SPUR_IMMUNE_LVL_NEW     3
48
49#define ATH9K_ANI_FIRSTEP_LVL_OLD         0
50#define ATH9K_ANI_FIRSTEP_LVL_NEW         2
51
52#define ATH9K_ANI_RSSI_THR_HIGH           40
53#define ATH9K_ANI_RSSI_THR_LOW            7
54
55#define ATH9K_ANI_PERIOD_OLD              100
56#define ATH9K_ANI_PERIOD_NEW              1000
57
58/* in ms */
59#define ATH9K_ANI_POLLINTERVAL_OLD        100
60#define ATH9K_ANI_POLLINTERVAL_NEW        1000
61
62#define HAL_NOISE_IMMUNE_MAX              4
63#define HAL_SPUR_IMMUNE_MAX               7
64#define HAL_FIRST_STEP_MAX                2
65
66#define ATH9K_SIG_FIRSTEP_SETTING_MIN     0
67#define ATH9K_SIG_FIRSTEP_SETTING_MAX     20
68#define ATH9K_SIG_SPUR_IMM_SETTING_MIN    0
69#define ATH9K_SIG_SPUR_IMM_SETTING_MAX    22
70
71#define ATH9K_ANI_ENABLE_MRC_CCK          true
72
73/* values here are relative to the INI */
74
75enum ath9k_ani_cmd {
76	ATH9K_ANI_PRESENT = 0x1,
77	ATH9K_ANI_NOISE_IMMUNITY_LEVEL = 0x2,
78	ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION = 0x4,
79	ATH9K_ANI_CCK_WEAK_SIGNAL_THR = 0x8,
80	ATH9K_ANI_FIRSTEP_LEVEL = 0x10,
81	ATH9K_ANI_SPUR_IMMUNITY_LEVEL = 0x20,
82	ATH9K_ANI_MODE = 0x40,
83	ATH9K_ANI_PHYERR_RESET = 0x80,
84	ATH9K_ANI_MRC_CCK = 0x100,
85	ATH9K_ANI_ALL = 0xfff
86};
87
88struct ath9k_mib_stats {
89	u32 ackrcv_bad;
90	u32 rts_bad;
91	u32 rts_good;
92	u32 fcs_bad;
93	u32 beacons;
94};
95
96/* INI default values for ANI registers */
97struct ath9k_ani_default {
98	u16 m1ThreshLow;
99	u16 m2ThreshLow;
100	u16 m1Thresh;
101	u16 m2Thresh;
102	u16 m2CountThr;
103	u16 m2CountThrLow;
104	u16 m1ThreshLowExt;
105	u16 m2ThreshLowExt;
106	u16 m1ThreshExt;
107	u16 m2ThreshExt;
108	u16 firstep;
109	u16 firstepLow;
110	u16 cycpwrThr1;
111	u16 cycpwrThr1Ext;
112};
113
114struct ar5416AniState {
115	struct ath9k_channel *c;
116	u8 noiseImmunityLevel;
117	u8 ofdmNoiseImmunityLevel;
118	u8 cckNoiseImmunityLevel;
119	bool ofdmsTurn;
120	u8 mrcCCKOff;
121	u8 spurImmunityLevel;
122	u8 firstepLevel;
123	u8 ofdmWeakSigDetectOff;
124	u8 cckWeakSigThreshold;
125	u32 listenTime;
126	u32 ofdmTrigHigh;
127	u32 ofdmTrigLow;
128	int32_t cckTrigHigh;
129	int32_t cckTrigLow;
130	int32_t rssiThrLow;
131	int32_t rssiThrHigh;
132	u32 noiseFloor;
133	u32 txFrameCount;
134	u32 rxFrameCount;
135	u32 cycleCount;
136	u32 ofdmPhyErrCount;
137	u32 cckPhyErrCount;
138	u32 ofdmPhyErrBase;
139	u32 cckPhyErrBase;
140	int16_t pktRssi[2];
141	int16_t ofdmErrRssi[2];
142	int16_t cckErrRssi[2];
143	struct ath9k_ani_default iniDef;
144};
145
146struct ar5416Stats {
147	u32 ast_ani_niup;
148	u32 ast_ani_nidown;
149	u32 ast_ani_spurup;
150	u32 ast_ani_spurdown;
151	u32 ast_ani_ofdmon;
152	u32 ast_ani_ofdmoff;
153	u32 ast_ani_cckhigh;
154	u32 ast_ani_ccklow;
155	u32 ast_ani_stepup;
156	u32 ast_ani_stepdown;
157	u32 ast_ani_ofdmerrs;
158	u32 ast_ani_cckerrs;
159	u32 ast_ani_reset;
160	u32 ast_ani_lzero;
161	u32 ast_ani_lneg;
162	u32 avgbrssi;
163	struct ath9k_mib_stats ast_mibstats;
164};
165#define ah_mibStats stats.ast_mibstats
166
167void ath9k_enable_mib_counters(struct ath_hw *ah);
168void ath9k_hw_disable_mib_counters(struct ath_hw *ah);
169u32 ath9k_hw_GetMibCycleCountsPct(struct ath_hw *ah, u32 *rxc_pcnt,
170				  u32 *rxf_pcnt, u32 *txf_pcnt);
171void ath9k_hw_ani_setup(struct ath_hw *ah);
172void ath9k_hw_ani_init(struct ath_hw *ah);
173int ath9k_hw_get_ani_channel_idx(struct ath_hw *ah,
174				 struct ath9k_channel *chan);
175
176#endif /* ANI_H */
177