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/*
* Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
* Copyright (c) 2002-2006 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.
*
* $FreeBSD$
*/
#ifndef _DEV_ATH_AR5211DESC_H
#define _DEV_ATH_AR5211DESC_H
/*
* Defintions for the DMA descriptors used by the Atheros
* AR5211 and AR5110 Wireless Lan controller parts.
*/
/* DMA descriptors */
struct ar5211_desc {
uint32_t ds_link; /* link pointer */
uint32_t ds_data; /* data buffer pointer */
uint32_t ds_ctl0; /* DMA control 0 */
uint32_t ds_ctl1; /* DMA control 1 */
uint32_t ds_status0; /* DMA status 0 */
uint32_t ds_status1; /* DMA status 1 */
} __packed;
#define AR5211DESC(_ds) ((struct ar5211_desc *)(_ds))
#define AR5211DESC_CONST(_ds) ((const struct ar5211_desc *)(_ds))
/* TX ds_ctl0 */
#define AR_FrameLen 0x00000fff /* frame length */
/* bits 12-17 are reserved */
#define AR_XmitRate 0x003c0000 /* txrate */
#define AR_XmitRate_S 18
#define AR_RTSCTSEnable 0x00400000 /* RTS/CTS enable */
#define AR_VEOL 0x00800000 /* virtual end-of-list */
#define AR_ClearDestMask 0x01000000 /* Clear destination mask bit */
#define AR_AntModeXmit 0x1e000000 /* TX antenna seslection */
#define AR_AntModeXmit_S 25
#define AR_TxInterReq 0x20000000 /* TX interrupt request */
#define AR_EncryptKeyValid 0x40000000 /* EncryptKeyIdx is valid */
/* bit 31 is reserved */
/* TX ds_ctl1 */
#define AR_BufLen 0x00000fff /* data buffer length */
#define AR_More 0x00001000 /* more desc in this frame */
#define AR_EncryptKeyIdx 0x000fe000 /* ecnrypt key table index */
#define AR_EncryptKeyIdx_S 13
#define AR_FrmType 0x00700000 /* frame type indication */
#define AR_FrmType_S 20
#define AR_Frm_Normal 0x00000000 /* normal frame */
#define AR_Frm_ATIM 0x00100000 /* ATIM frame */
#define AR_Frm_PSPOLL 0x00200000 /* PS poll frame */
#define AR_Frm_Beacon 0x00300000 /* Beacon frame */
#define AR_Frm_ProbeResp 0x00400000 /* no delay data */
#define AR_NoAck 0x00800000 /* No ACK flag */
/* bits 24-31 are reserved */
/* RX ds_ctl1 */
/* AR_BufLen 0x00000fff data buffer length */
/* bit 12 is reserved */
#define AR_RxInterReq 0x00002000 /* RX interrupt request */
/* bits 14-31 are reserved */
/* TX ds_status0 */
#define AR_FrmXmitOK 0x00000001 /* TX success */
#define AR_ExcessiveRetries 0x00000002 /* excessive retries */
#define AR_FIFOUnderrun 0x00000004 /* TX FIFO underrun */
#define AR_Filtered 0x00000008 /* TX filter indication */
/* NB: the spec has the Short+Long retry counts reversed */
#define AR_LongRetryCnt 0x000000f0 /* long retry count */
#define AR_LongRetryCnt_S 4
#define AR_ShortRetryCnt 0x00000f00 /* short retry count */
#define AR_ShortRetryCnt_S 8
#define AR_VirtCollCnt 0x0000f000 /* virtual collision count */
#define AR_VirtCollCnt_S 12
#define AR_SendTimestamp 0xffff0000 /* TX timestamp */
#define AR_SendTimestamp_S 16
/* RX ds_status0 */
#define AR_DataLen 0x00000fff /* RX data length */
/* AR_More 0x00001000 more desc in this frame */
/* bits 13-14 are reserved */
#define AR_RcvRate 0x00078000 /* reception rate */
#define AR_RcvRate_S 15
#define AR_RcvSigStrength 0x07f80000 /* receive signal strength */
#define AR_RcvSigStrength_S 19
#define AR_RcvAntenna 0x38000000 /* receive antenaa */
#define AR_RcvAntenna_S 27
/* bits 30-31 are reserved */
/* TX ds_status1 */
#define AR_Done 0x00000001 /* descripter complete */
#define AR_SeqNum 0x00001ffe /* TX sequence number */
#define AR_SeqNum_S 1
#define AR_AckSigStrength 0x001fe000 /* strength of ACK */
#define AR_AckSigStrength_S 13
/* bits 21-31 are reserved */
/* RX ds_status1 */
/* AR_Done 0x00000001 descripter complete */
#define AR_FrmRcvOK 0x00000002 /* frame reception success */
#define AR_CRCErr 0x00000004 /* CRC error */
/* bit 3 reserved */
#define AR_DecryptCRCErr 0x00000010 /* Decryption CRC fiailure */
#define AR_PHYErr 0x000000e0 /* PHY error */
#define AR_PHYErr_S 5
#define AR_PHYErr_Underrun 0x00000000 /* Transmit underrun */
#define AR_PHYErr_Tim 0x00000020 /* Timing error */
#define AR_PHYErr_Par 0x00000040 /* Parity error */
#define AR_PHYErr_Rate 0x00000060 /* Illegal rate */
#define AR_PHYErr_Len 0x00000080 /* Illegal length */
#define AR_PHYErr_Radar 0x000000a0 /* Radar detect */
#define AR_PHYErr_Srv 0x000000c0 /* Illegal service */
#define AR_PHYErr_TOR 0x000000e0 /* Transmit override receive */
#define AR_KeyIdxValid 0x00000100 /* decryption key index valid */
#define AR_KeyIdx 0x00007e00 /* Decryption key index */
#define AR_KeyIdx_S 9
#define AR_RcvTimestamp 0x0fff8000 /* timestamp */
#define AR_RcvTimestamp_S 15
#define AR_KeyCacheMiss 0x10000000 /* key cache miss indication */
#endif /* _DEV_ATH_AR5211DESC_H_ */
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