1/*-
2 * SPDX-License-Identifier: ISC
3 *
4 * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
5 * Copyright (c) 2002-2006 Atheros Communications, Inc.
6 *
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.
10 *
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.
18 *
19 * $FreeBSD: releng/12.0/sys/dev/ath/ath_hal/ar5211/ar5211desc.h 326695 2017-12-08 15:57:29Z pfg $
20 */
21#ifndef _DEV_ATH_AR5211DESC_H
22#define _DEV_ATH_AR5211DESC_H
23
24/*
25 * Defintions for the DMA descriptors used by the Atheros
26 * AR5211 and AR5110 Wireless Lan controller parts.
27 */
28
29/* DMA descriptors */
30struct ar5211_desc {
31	uint32_t	ds_link;	/* link pointer */
32	uint32_t	ds_data;	/* data buffer pointer */
33	uint32_t	ds_ctl0;	/* DMA control 0 */
34	uint32_t	ds_ctl1;	/* DMA control 1 */
35	uint32_t	ds_status0;	/* DMA status 0 */
36	uint32_t	ds_status1;	/* DMA status 1 */
37} __packed;
38#define	AR5211DESC(_ds)	((struct ar5211_desc *)(_ds))
39#define	AR5211DESC_CONST(_ds)	((const struct ar5211_desc *)(_ds))
40
41/* TX ds_ctl0 */
42#define	AR_FrameLen		0x00000fff	/* frame length */
43/* bits 12-17 are reserved */
44#define	AR_XmitRate		0x003c0000	/* txrate */
45#define	AR_XmitRate_S		18
46#define	AR_RTSCTSEnable		0x00400000	/* RTS/CTS enable */
47#define	AR_VEOL			0x00800000	/* virtual end-of-list */
48#define	AR_ClearDestMask	0x01000000	/* Clear destination mask bit */
49#define	AR_AntModeXmit		0x1e000000	/* TX antenna seslection */
50#define	AR_AntModeXmit_S	25
51#define	AR_TxInterReq		0x20000000	/* TX interrupt request */
52#define	AR_EncryptKeyValid	0x40000000	/* EncryptKeyIdx is valid */
53/* bit 31 is reserved */
54
55/* TX ds_ctl1 */
56#define	AR_BufLen		0x00000fff	/* data buffer length */
57#define	AR_More			0x00001000	/* more desc in this frame */
58#define	AR_EncryptKeyIdx	0x000fe000	/* ecnrypt key table index */
59#define	AR_EncryptKeyIdx_S	13
60#define	AR_FrmType		0x00700000	/* frame type indication */
61#define	AR_FrmType_S		20
62#define	AR_Frm_Normal		0x00000000	/* normal frame */
63#define	AR_Frm_ATIM		0x00100000	/* ATIM frame */
64#define	AR_Frm_PSPOLL		0x00200000	/* PS poll frame */
65#define	AR_Frm_Beacon		0x00300000	/* Beacon frame */
66#define	AR_Frm_ProbeResp	0x00400000	/* no delay data */
67#define	AR_NoAck		0x00800000	/* No ACK flag */
68/* bits 24-31 are reserved */
69
70/* RX ds_ctl1 */
71/*	AR_BufLen		0x00000fff	   data buffer length */
72/* bit 12 is reserved */
73#define	AR_RxInterReq		0x00002000	/* RX interrupt request */
74/* bits 14-31 are reserved */
75
76/* TX ds_status0 */
77#define	AR_FrmXmitOK		0x00000001	/* TX success */
78#define	AR_ExcessiveRetries	0x00000002	/* excessive retries */
79#define	AR_FIFOUnderrun		0x00000004	/* TX FIFO underrun */
80#define	AR_Filtered		0x00000008	/* TX filter indication */
81/* NB: the spec has the Short+Long retry counts reversed */
82#define	AR_LongRetryCnt		0x000000f0	/* long retry count */
83#define	AR_LongRetryCnt_S	4
84#define	AR_ShortRetryCnt	0x00000f00	/* short retry count */
85#define	AR_ShortRetryCnt_S	8
86#define	AR_VirtCollCnt		0x0000f000	/* virtual collision count */
87#define	AR_VirtCollCnt_S	12
88#define	AR_SendTimestamp	0xffff0000	/* TX timestamp */
89#define	AR_SendTimestamp_S	16
90
91/* RX ds_status0 */
92#define	AR_DataLen		0x00000fff	/* RX data length */
93/*	AR_More			0x00001000	   more desc in this frame */
94/* bits 13-14 are reserved */
95#define	AR_RcvRate		0x00078000	/* reception rate */
96#define	AR_RcvRate_S		15
97#define	AR_RcvSigStrength	0x07f80000	/* receive signal strength */
98#define	AR_RcvSigStrength_S	19
99#define	AR_RcvAntenna		0x38000000	/* receive antenaa */
100#define	AR_RcvAntenna_S		27
101/* bits 30-31 are reserved */
102
103/* TX ds_status1 */
104#define	AR_Done			0x00000001	/* descripter complete */
105#define	AR_SeqNum		0x00001ffe	/* TX sequence number */
106#define	AR_SeqNum_S		1
107#define	AR_AckSigStrength	0x001fe000	/* strength of ACK */
108#define	AR_AckSigStrength_S	13
109/* bits 21-31 are reserved */
110
111/* RX ds_status1 */
112/*	AR_Done			0x00000001	   descripter complete */
113#define	AR_FrmRcvOK		0x00000002	/* frame reception success */
114#define	AR_CRCErr		0x00000004	/* CRC error */
115/* bit 3 reserved */
116#define	AR_DecryptCRCErr	0x00000010	/* Decryption CRC fiailure */
117#define	AR_PHYErr		0x000000e0	/* PHY error */
118#define	AR_PHYErr_S		5
119#define	AR_PHYErr_Underrun	0x00000000	/* Transmit underrun */
120#define	AR_PHYErr_Tim		0x00000020	/* Timing error */
121#define	AR_PHYErr_Par		0x00000040	/* Parity error */
122#define	AR_PHYErr_Rate		0x00000060	/* Illegal rate */
123#define	AR_PHYErr_Len		0x00000080	/* Illegal length */
124#define	AR_PHYErr_Radar		0x000000a0	/* Radar detect */
125#define	AR_PHYErr_Srv		0x000000c0	/* Illegal service */
126#define	AR_PHYErr_TOR		0x000000e0	/* Transmit override receive */
127#define	AR_KeyIdxValid		0x00000100	/* decryption key index valid */
128#define	AR_KeyIdx		0x00007e00	/* Decryption key index */
129#define	AR_KeyIdx_S		9
130#define	AR_RcvTimestamp		0x0fff8000	/* timestamp */
131#define	AR_RcvTimestamp_S	15
132#define	AR_KeyCacheMiss		0x10000000	/* key cache miss indication */
133
134#endif /* _DEV_ATH_AR5211DESC_H_ */
135