[linux-2.6-block.git] / drivers / net / wireless / ath9k / ani.h

/*
 * Copyright (c) 2008 Atheros Communications Inc.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef ANI_H
#define ANI_H

#define HAL_PROCESS_ANI           0x00000001
#define ATH9K_RSSI_EP_MULTIPLIER  (1<<7)

#define DO_ANI(ah) (((ah)->ah_procPhyErr & HAL_PROCESS_ANI))

#define HAL_EP_RND(x, mul)						\
	((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
#define BEACON_RSSI(ahp)					\
	HAL_EP_RND(ahp->ah_stats.ast_nodestats.ns_avgbrssi,	\
		   ATH9K_RSSI_EP_MULTIPLIER)

#define ATH9K_ANI_OFDM_TRIG_HIGH          500
#define ATH9K_ANI_OFDM_TRIG_LOW           200
#define ATH9K_ANI_CCK_TRIG_HIGH           200
#define ATH9K_ANI_CCK_TRIG_LOW            100
#define ATH9K_ANI_NOISE_IMMUNE_LVL        4
#define ATH9K_ANI_USE_OFDM_WEAK_SIG       true
#define ATH9K_ANI_CCK_WEAK_SIG_THR        false
#define ATH9K_ANI_SPUR_IMMUNE_LVL         7
#define ATH9K_ANI_FIRSTEP_LVL             0
#define ATH9K_ANI_RSSI_THR_HIGH           40
#define ATH9K_ANI_RSSI_THR_LOW            7
#define ATH9K_ANI_PERIOD                  100

#define HAL_NOISE_IMMUNE_MAX              4
#define HAL_SPUR_IMMUNE_MAX               7
#define HAL_FIRST_STEP_MAX                2

enum ath9k_ani_cmd {
	ATH9K_ANI_PRESENT = 0x1,
	ATH9K_ANI_NOISE_IMMUNITY_LEVEL = 0x2,
	ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION = 0x4,
	ATH9K_ANI_CCK_WEAK_SIGNAL_THR = 0x8,
	ATH9K_ANI_FIRSTEP_LEVEL = 0x10,
	ATH9K_ANI_SPUR_IMMUNITY_LEVEL = 0x20,
	ATH9K_ANI_MODE = 0x40,
	ATH9K_ANI_PHYERR_RESET = 0x80,
	ATH9K_ANI_ALL = 0xff
};

struct ath9k_mib_stats {
	u32 ackrcv_bad;
	u32 rts_bad;
	u32 rts_good;
	u32 fcs_bad;
	u32 beacons;
};

struct ath9k_node_stats {
	u32 ns_avgbrssi;
	u32 ns_avgrssi;
	u32 ns_avgtxrssi;
	u32 ns_avgtxrate;
};

struct ar5416AniState {
	struct ath9k_channel *c;
	u8 noiseImmunityLevel;
	u8 spurImmunityLevel;
	u8 firstepLevel;
	u8 ofdmWeakSigDetectOff;
	u8 cckWeakSigThreshold;
	u32 listenTime;
	u32 ofdmTrigHigh;
	u32 ofdmTrigLow;
	int32_t cckTrigHigh;
	int32_t cckTrigLow;
	int32_t rssiThrLow;
	int32_t rssiThrHigh;
	u32 noiseFloor;
	u32 txFrameCount;
	u32 rxFrameCount;
	u32 cycleCount;
	u32 ofdmPhyErrCount;
	u32 cckPhyErrCount;
	u32 ofdmPhyErrBase;
	u32 cckPhyErrBase;
	int16_t pktRssi[2];
	int16_t ofdmErrRssi[2];
	int16_t cckErrRssi[2];
};

struct ar5416Stats {
	u32 ast_ani_niup;
	u32 ast_ani_nidown;
	u32 ast_ani_spurup;
	u32 ast_ani_spurdown;
	u32 ast_ani_ofdmon;
	u32 ast_ani_ofdmoff;
	u32 ast_ani_cckhigh;
	u32 ast_ani_ccklow;
	u32 ast_ani_stepup;
	u32 ast_ani_stepdown;
	u32 ast_ani_ofdmerrs;
	u32 ast_ani_cckerrs;
	u32 ast_ani_reset;
	u32 ast_ani_lzero;
	u32 ast_ani_lneg;
	struct ath9k_mib_stats ast_mibstats;
	struct ath9k_node_stats ast_nodestats;
};
#define ah_mibStats ah_stats.ast_mibstats

void ath9k_ani_reset(struct ath_hw *ah);
void ath9k_hw_ani_monitor(struct ath_hw *ah,
			  const struct ath9k_node_stats *stats,
			  struct ath9k_channel *chan);
bool ath9k_hw_phycounters(struct ath_hw *ah);
void ath9k_enable_mib_counters(struct ath_hw *ah);
void ath9k_hw_disable_mib_counters(struct ath_hw *ah);
u32 ath9k_hw_GetMibCycleCountsPct(struct ath_hw *ah, u32 *rxc_pcnt,
				  u32 *rxf_pcnt, u32 *txf_pcnt);
void ath9k_hw_procmibevent(struct ath_hw *ah,
			   const struct ath9k_node_stats *stats);
void ath9k_hw_ani_setup(struct ath_hw *ah);
void ath9k_hw_ani_attach(struct ath_hw *ah);
void ath9k_hw_ani_detach(struct ath_hw *ah);

#endif /* ANI_H */
Commit	Line	Data
394cf0a1 S	1	/*
	2	* Copyright (c) 2008 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	#define ATH9K_RSSI_EP_MULTIPLIER (1<<7)
	22
cbe61d8a	23	#define DO_ANI(ah) (((ah)->ah_procPhyErr & HAL_PROCESS_ANI))
394cf0a1 S	24
	25	#define HAL_EP_RND(x, mul) \
	26	((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
	27	#define BEACON_RSSI(ahp) \
	28	HAL_EP_RND(ahp->ah_stats.ast_nodestats.ns_avgbrssi, \
	29	ATH9K_RSSI_EP_MULTIPLIER)
	30
	31	#define ATH9K_ANI_OFDM_TRIG_HIGH 500
	32	#define ATH9K_ANI_OFDM_TRIG_LOW 200
	33	#define ATH9K_ANI_CCK_TRIG_HIGH 200
	34	#define ATH9K_ANI_CCK_TRIG_LOW 100
	35	#define ATH9K_ANI_NOISE_IMMUNE_LVL 4
	36	#define ATH9K_ANI_USE_OFDM_WEAK_SIG true
	37	#define ATH9K_ANI_CCK_WEAK_SIG_THR false
	38	#define ATH9K_ANI_SPUR_IMMUNE_LVL 7
	39	#define ATH9K_ANI_FIRSTEP_LVL 0
	40	#define ATH9K_ANI_RSSI_THR_HIGH 40
	41	#define ATH9K_ANI_RSSI_THR_LOW 7
	42	#define ATH9K_ANI_PERIOD 100
	43
	44	#define HAL_NOISE_IMMUNE_MAX 4
	45	#define HAL_SPUR_IMMUNE_MAX 7
	46	#define HAL_FIRST_STEP_MAX 2
	47
	48	enum ath9k_ani_cmd {
	49	ATH9K_ANI_PRESENT = 0x1,
	50	ATH9K_ANI_NOISE_IMMUNITY_LEVEL = 0x2,
	51	ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION = 0x4,
	52	ATH9K_ANI_CCK_WEAK_SIGNAL_THR = 0x8,
	53	ATH9K_ANI_FIRSTEP_LEVEL = 0x10,
	54	ATH9K_ANI_SPUR_IMMUNITY_LEVEL = 0x20,
	55	ATH9K_ANI_MODE = 0x40,
	56	ATH9K_ANI_PHYERR_RESET = 0x80,
	57	ATH9K_ANI_ALL = 0xff
	58	};
	59
	60	struct ath9k_mib_stats {
	61	u32 ackrcv_bad;
	62	u32 rts_bad;
	63	u32 rts_good;
	64	u32 fcs_bad;
	65	u32 beacons;
	66	};
	67
	68	struct ath9k_node_stats {
	69	u32 ns_avgbrssi;
	70	u32 ns_avgrssi;
	71	u32 ns_avgtxrssi;
	72	u32 ns_avgtxrate;
	73	};
	74
ee6e8d1c S	75	struct ar5416AniState {
	76	struct ath9k_channel *c;
	77	u8 noiseImmunityLevel;
	78	u8 spurImmunityLevel;
	79	u8 firstepLevel;
	80	u8 ofdmWeakSigDetectOff;
	81	u8 cckWeakSigThreshold;
	82	u32 listenTime;
	83	u32 ofdmTrigHigh;
	84	u32 ofdmTrigLow;
	85	int32_t cckTrigHigh;
	86	int32_t cckTrigLow;
	87	int32_t rssiThrLow;
	88	int32_t rssiThrHigh;
	89	u32 noiseFloor;
	90	u32 txFrameCount;
	91	u32 rxFrameCount;
	92	u32 cycleCount;
	93	u32 ofdmPhyErrCount;
	94	u32 cckPhyErrCount;
	95	u32 ofdmPhyErrBase;
	96	u32 cckPhyErrBase;
	97	int16_t pktRssi[2];
	98	int16_t ofdmErrRssi[2];
	99	int16_t cckErrRssi[2];
	100	};
	101
394cf0a1 S	102	struct ar5416Stats {
	103	u32 ast_ani_niup;
	104	u32 ast_ani_nidown;
	105	u32 ast_ani_spurup;
	106	u32 ast_ani_spurdown;
	107	u32 ast_ani_ofdmon;
	108	u32 ast_ani_ofdmoff;
	109	u32 ast_ani_cckhigh;
	110	u32 ast_ani_ccklow;
	111	u32 ast_ani_stepup;
	112	u32 ast_ani_stepdown;
	113	u32 ast_ani_ofdmerrs;
	114	u32 ast_ani_cckerrs;
	115	u32 ast_ani_reset;
	116	u32 ast_ani_lzero;
	117	u32 ast_ani_lneg;
	118	struct ath9k_mib_stats ast_mibstats;
	119	struct ath9k_node_stats ast_nodestats;
	120	};
	121	#define ah_mibStats ah_stats.ast_mibstats
	122
cbe61d8a S	123	void ath9k_ani_reset(struct ath_hw *ah);
cbe61d8a S	124	void ath9k_hw_ani_monitor(struct ath_hw *ah,
394cf0a1 S	125	const struct ath9k_node_stats *stats,
394cf0a1 S	126	struct ath9k_channel *chan);
cbe61d8a S	127	bool ath9k_hw_phycounters(struct ath_hw *ah);
	128	void ath9k_enable_mib_counters(struct ath_hw *ah);
	129	void ath9k_hw_disable_mib_counters(struct ath_hw *ah);
	130	u32 ath9k_hw_GetMibCycleCountsPct(struct ath_hw ah, u32 rxc_pcnt,
394cf0a1	131	u32 rxf_pcnt, u32 txf_pcnt);
cbe61d8a	132	void ath9k_hw_procmibevent(struct ath_hw *ah,
394cf0a1	133	const struct ath9k_node_stats *stats);
cbe61d8a S	134	void ath9k_hw_ani_setup(struct ath_hw *ah);
	135	void ath9k_hw_ani_attach(struct ath_hw *ah);
	136	void ath9k_hw_ani_detach(struct ath_hw *ah);
394cf0a1 S	137
394cf0a1 S	138	#endif /* ANI_H */