xref: /freebsd/sys/dev/ath/if_ath_alq.h (revision 4fd0d10e0fe684211328bc148edf89a792425b39)
1 /*-
2  * Copyright (c) 2012 Adrian Chadd
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer,
10  *    without modification.
11  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
13  *    redistribution must be conditioned upon including a substantially
14  *    similar Disclaimer requirement for further binary redistribution.
15  *
16  * NO WARRANTY
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
20  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
21  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
22  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
27  * THE POSSIBILITY OF SUCH DAMAGES.
28  *
29  * $FreeBSD$
30  */
31 #ifndef	__IF_ATH_ALQ_H__
32 #define	__IF_ATH_ALQ_H__
33 
34 #define	ATH_ALQ_INIT_STATE		1
35 struct if_ath_alq_init_state {
36 	uint32_t	sc_mac_version;
37 	uint32_t	sc_mac_revision;
38 	uint32_t	sc_phy_rev;
39 	uint32_t	sc_hal_magic;
40 };
41 
42 #define	ATH_ALQ_EDMA_TXSTATUS		2
43 #define	ATH_ALQ_EDMA_RXSTATUS		3
44 #define	ATH_ALQ_EDMA_TXDESC		4
45 
46 #define	ATH_ALQ_TDMA_BEACON_STATE	5
47 struct if_ath_alq_tdma_beacon_state {
48 	uint64_t	rx_tsf;		/* RX TSF of beacon frame */
49 	uint64_t	beacon_tsf;	/* TSF inside beacon frame */
50 	uint64_t	tsf64;
51 	uint64_t	nextslot_tsf;
52 	uint32_t	nextslot_tu;
53 	uint32_t	txtime;
54 };
55 
56 #define	ATH_ALQ_TDMA_TIMER_CONFIG	6
57 struct if_ath_alq_tdma_timer_config {
58 	uint32_t	tdma_slot;
59 	uint32_t	tdma_slotlen;
60 	uint32_t	tdma_slotcnt;
61 	uint32_t	tdma_bintval;
62 	uint32_t	tdma_guard;
63 	uint32_t	tdma_scbintval;
64 	uint32_t	tdma_dbaprep;
65 };
66 
67 #define	ATH_ALQ_TDMA_SLOT_CALC		7
68 struct if_ath_alq_tdma_slot_calc {
69 	uint64_t	nexttbtt;
70 	uint64_t	next_slot;
71 	int32_t		tsfdelta;
72 	int32_t		avg_plus;
73 	int32_t		avg_minus;
74 };
75 
76 #define	ATH_ALQ_TDMA_TSF_ADJUST		8
77 struct if_ath_alq_tdma_tsf_adjust {
78 	uint64_t	tsf64_old;
79 	uint64_t	tsf64_new;
80 	int32_t		tsfdelta;
81 };
82 
83 #define	ATH_ALQ_TDMA_TIMER_SET		9
84 struct if_ath_alq_tdma_timer_set {
85 	uint32_t	bt_intval;
86 	uint32_t	bt_nexttbtt;
87 	uint32_t	bt_nextdba;
88 	uint32_t	bt_nextswba;
89 	uint32_t	bt_nextatim;
90 	uint32_t	bt_flags;
91 	uint32_t	sc_tdmadbaprep;
92 	uint32_t	sc_tdmaswbaprep;
93 };
94 
95 #define	ATH_ALQ_INTR_STATUS		10
96 struct if_ath_alq_interrupt {
97 	uint32_t	intr_status;
98 	uint32_t	intr_state[8];
99 	uint32_t	intr_syncstate;
100 };
101 
102 #define	ATH_ALQ_MIB_COUNTERS		11
103 struct if_ath_alq_mib_counters {
104 	uint32_t	valid;
105 	uint32_t	tx_busy;
106 	uint32_t	rx_busy;
107 	uint32_t	chan_busy;
108 	uint32_t	ext_chan_busy;
109 	uint32_t	cycle_count;
110 };
111 
112 #define	ATH_ALQ_MISSED_BEACON		12
113 #define	ATH_ALQ_STUCK_BEACON		13
114 #define	ATH_ALQ_RESUME_BEACON		14
115 
116 /*
117  * These will always be logged, regardless.
118  */
119 #define	ATH_ALQ_LOG_ALWAYS_MASK		0x00000001
120 
121 #define	ATH_ALQ_FILENAME_LEN	128
122 #define	ATH_ALQ_DEVNAME_LEN	32
123 
124 struct if_ath_alq {
125 	uint32_t	sc_alq_debug;		/* Debug flags to report */
126 	struct alq *	sc_alq_alq;		/* alq state */
127 	unsigned int	sc_alq_qsize;		/* queue size */
128 	unsigned int	sc_alq_numlost;		/* number of "lost" entries */
129 	int		sc_alq_isactive;
130 	char		sc_alq_devname[ATH_ALQ_DEVNAME_LEN];
131 	char		sc_alq_filename[ATH_ALQ_FILENAME_LEN];
132 	struct if_ath_alq_init_state sc_alq_cfg;
133 };
134 
135 /* 128 bytes in total */
136 #define	ATH_ALQ_PAYLOAD_LEN		112
137 
138 struct if_ath_alq_hdr {
139 	uint64_t	threadid;
140 	uint32_t	tstamp_sec;
141 	uint32_t	tstamp_usec;
142 	uint16_t	op;
143 	uint16_t	len;	/* Length of (optional) payload */
144 };
145 
146 struct if_ath_alq_payload {
147 	struct if_ath_alq_hdr hdr;
148 	char		payload[];
149 };
150 
151 #ifdef	_KERNEL
152 static inline int
153 if_ath_alq_checkdebug(struct if_ath_alq *alq, uint16_t op)
154 {
155 
156 	return ((alq->sc_alq_debug | ATH_ALQ_LOG_ALWAYS_MASK)
157 	    & (1 << (op - 1)));
158 }
159 
160 extern	void if_ath_alq_init(struct if_ath_alq *alq, const char *devname);
161 extern	void if_ath_alq_setcfg(struct if_ath_alq *alq, uint32_t macVer,
162 	    uint32_t macRev, uint32_t phyRev, uint32_t halMagic);
163 extern	void if_ath_alq_tidyup(struct if_ath_alq *alq);
164 extern	int if_ath_alq_start(struct if_ath_alq *alq);
165 extern	int if_ath_alq_stop(struct if_ath_alq *alq);
166 extern	void if_ath_alq_post(struct if_ath_alq *alq, uint16_t op,
167 	    uint16_t len, const char *buf);
168 
169 /* XXX maybe doesn't belong here? */
170 static inline void
171 if_ath_alq_post_intr(struct if_ath_alq *alq, uint32_t status,
172     uint32_t *state, uint32_t sync_state)
173 {
174 	int i;
175 	struct if_ath_alq_interrupt intr;
176 
177 	if (! if_ath_alq_checkdebug(alq, ATH_ALQ_INTR_STATUS))
178 		return;
179 
180 	intr.intr_status = htobe32(status);
181 	for (i = 0; i < 8; i++)
182 		intr.intr_state[i] = htobe32(state[i]);
183 	intr.intr_syncstate = htobe32(sync_state);
184 
185 	if_ath_alq_post(alq, ATH_ALQ_INTR_STATUS, sizeof(intr),
186 	    (const char *) &intr);
187 }
188 
189 #endif	/* _KERNEL */
190 
191 #endif
192