1/*-
2 * SPDX-License-Identifier: ISC
3 *
4 * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
5 * Copyright (c) 2002-2004 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/ar5210/ar5210desc.h 326695 2017-12-08 15:57:29Z pfg $
20 */
21#ifndef _DEV_ATH_AR5210DESC_H
22#define _DEV_ATH_AR5210DESC_H
23
24/*
25 * Defintions for the DMA descriptors used by the Atheros
26 * AR5210/AR5211 and AR5110 Wireless Lan controller parts.
27 */
28
29/* DMA descriptors */
30struct ar5210_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	AR5210DESC(_ds)	((struct ar5210_desc *)(_ds))
39#define	AR5210DESC_CONST(_ds)	((const struct ar5210_desc *)(_ds))
40
41/* TX ds_ctl0 */
42#define	AR_FrameLen		0x00000fff	/* frame length */
43#define	AR_HdrLen		0x0003f000	/* header length */
44#define	AR_HdrLen_S		12
45#define	AR_XmitRate		0x003c0000	/* txrate */
46#define	AR_XmitRate_S		18
47#define	AR_Rate_6M		0xb
48#define	AR_Rate_9M		0xf
49#define	AR_Rate_12M		0xa
50#define	AR_Rate_18M		0xe
51#define	AR_Rate_24M		0x9
52#define	AR_Rate_36M		0xd
53#define	AR_Rate_48M		0x8
54#define	AR_Rate_54M		0xc
55#define	AR_RTSCTSEnable		0x00400000	/* RTS/CTS enable */
56#define	AR_LongPkt		0x00800000	/* long packet indication */
57#define	AR_ClearDestMask	0x01000000	/* Clear destination mask bit */
58#define	AR_AntModeXmit		0x02000000	/* TX antenna seslection */
59#define	AR_FrmType		0x1c000000	/* frame type indication */
60#define	AR_FrmType_S		26
61#define	AR_Frm_Normal		0x00000000	/* normal frame */
62#define	AR_Frm_ATIM		0x04000000	/* ATIM frame */
63#define	AR_Frm_PSPOLL		0x08000000	/* PS poll frame */
64#define	AR_Frm_NoDelay		0x0c000000	/* no delay data */
65#define	AR_Frm_PIFS		0x10000000	/* PIFS data */
66#define	AR_TxInterReq		0x20000000	/* TX interrupt request */
67#define	AR_EncryptKeyValid	0x40000000	/* EncryptKeyIdx is valid */
68
69/* TX ds_ctl1 */
70#define	AR_BufLen		0x00000fff	/* data buffer length */
71#define	AR_More			0x00001000	/* more desc in this frame */
72#define	AR_EncryptKeyIdx	0x0007e000	/* ecnrypt key table index */
73#define	AR_EncryptKeyIdx_S	13
74#define	AR_RTSDuration		0xfff80000	/* lower 13bit of duration */
75#define	AR_RTSDuration_S	19
76
77/* RX ds_ctl1 */
78/*	AR_BufLen		0x00000fff	   data buffer length */
79#define	AR_RxInterReq		0x00002000	/* RX interrupt request */
80
81/* TX ds_status0 */
82#define	AR_FrmXmitOK		0x00000001	/* TX success */
83#define	AR_ExcessiveRetries	0x00000002	/* excessive retries */
84#define	AR_FIFOUnderrun		0x00000004	/* TX FIFO underrun */
85#define	AR_Filtered		0x00000008	/* TX filter indication */
86/* NB: the spec has the Short+Long retry counts reversed */
87#define	AR_LongRetryCnt		0x000000f0	/* long retry count */
88#define	AR_LongRetryCnt_S	4
89#define	AR_ShortRetryCnt	0x00000f00	/* short retry count */
90#define	AR_ShortRetryCnt_S	8
91#define	AR_SendTimestamp	0xffff0000	/* TX timestamp */
92#define	AR_SendTimestamp_S	16
93
94/* RX ds_status0 */
95#define	AR_DataLen		0x00000fff	/* RX data length */
96/*	AR_More			0x00001000	   more desc in this frame */
97#define	AR_RcvAntenna		0x00004000	/* received on ant 1 */
98#define	AR_RcvRate		0x00078000	/* reception rate */
99#define	AR_RcvRate_S		15
100#define	AR_RcvSigStrength	0x07f80000	/* receive signal strength */
101#define	AR_RcvSigStrength_S	19
102
103/* TX ds_status1 */
104#define	AR_Done			0x00000001	/* descripter complete */
105#define	AR_SeqNum		0x00001ffe	/* TX sequence number */
106#define	AR_AckSigStrength	0x001fe000	/* strength of ACK */
107#define	AR_AckSigStrength_S	13
108
109/* RX ds_status1 */
110/*	AR_Done			0x00000001	   descripter complete */
111#define	AR_FrmRcvOK		0x00000002	/* frame reception success */
112#define	AR_CRCErr		0x00000004	/* CRC error */
113#define	AR_FIFOOverrun		0x00000008	/* RX FIFO overrun */
114#define	AR_DecryptCRCErr	0x00000010	/* Decryption CRC fiailure */
115#define	AR_PHYErr		0x000000e0	/* PHY error */
116#define	AR_PHYErr_S		5
117#define	AR_PHYErr_NoErr		0x00000000	/* No error */
118#define	AR_PHYErr_Tim		0x00000020	/* Timing error */
119#define	AR_PHYErr_Par		0x00000040	/* Parity error */
120#define	AR_PHYErr_Rate		0x00000060	/* Illegal rate */
121#define	AR_PHYErr_Len		0x00000080	/* Illegal length */
122#define	AR_PHYErr_QAM		0x000000a0	/* 64 QAM rate */
123#define	AR_PHYErr_Srv		0x000000c0	/* Service bit error */
124#define	AR_PHYErr_TOR		0x000000e0	/* Transmit override receive */
125#define	AR_KeyIdxValid		0x00000100	/* decryption key index valid */
126#define	AR_KeyIdx		0x00007e00	/* Decryption key index */
127#define	AR_KeyIdx_S		9
128#define	AR_RcvTimestamp		0x0fff8000	/* timestamp */
129#define	AR_RcvTimestamp_S	15
130#define	AR_KeyCacheMiss		0x10000000	/* key cache miss indication */
131
132#endif /* _DEV_ATH_AR5210DESC_H_ */
133