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 #ifndef _DEV_ATH_AR5210DESC_H 20 #define _DEV_ATH_AR5210DESC_H 21 22 /* 23 * Defintions for the DMA descriptors used by the Atheros 24 * AR5210/AR5211 and AR5110 Wireless Lan controller parts. 25 */ 26 27 /* DMA descriptors */ 28 struct ar5210_desc { 29 uint32_t ds_link; /* link pointer */ 30 uint32_t ds_data; /* data buffer pointer */ 31 uint32_t ds_ctl0; /* DMA control 0 */ 32 uint32_t ds_ctl1; /* DMA control 1 */ 33 uint32_t ds_status0; /* DMA status 0 */ 34 uint32_t ds_status1; /* DMA status 1 */ 35 } __packed; 36 #define AR5210DESC(_ds) ((struct ar5210_desc *)(_ds)) 37 #define AR5210DESC_CONST(_ds) ((const struct ar5210_desc *)(_ds)) 38 39 /* TX ds_ctl0 */ 40 #define AR_FrameLen 0x00000fff /* frame length */ 41 #define AR_HdrLen 0x0003f000 /* header length */ 42 #define AR_HdrLen_S 12 43 #define AR_XmitRate 0x003c0000 /* txrate */ 44 #define AR_XmitRate_S 18 45 #define AR_Rate_6M 0xb 46 #define AR_Rate_9M 0xf 47 #define AR_Rate_12M 0xa 48 #define AR_Rate_18M 0xe 49 #define AR_Rate_24M 0x9 50 #define AR_Rate_36M 0xd 51 #define AR_Rate_48M 0x8 52 #define AR_Rate_54M 0xc 53 #define AR_RTSCTSEnable 0x00400000 /* RTS/CTS enable */ 54 #define AR_LongPkt 0x00800000 /* long packet indication */ 55 #define AR_ClearDestMask 0x01000000 /* Clear destination mask bit */ 56 #define AR_AntModeXmit 0x02000000 /* TX antenna seslection */ 57 #define AR_FrmType 0x1c000000 /* frame type indication */ 58 #define AR_FrmType_S 26 59 #define AR_Frm_Normal 0x00000000 /* normal frame */ 60 #define AR_Frm_ATIM 0x04000000 /* ATIM frame */ 61 #define AR_Frm_PSPOLL 0x08000000 /* PS poll frame */ 62 #define AR_Frm_NoDelay 0x0c000000 /* no delay data */ 63 #define AR_Frm_PIFS 0x10000000 /* PIFS data */ 64 #define AR_TxInterReq 0x20000000 /* TX interrupt request */ 65 #define AR_EncryptKeyValid 0x40000000 /* EncryptKeyIdx is valid */ 66 67 /* TX ds_ctl1 */ 68 #define AR_BufLen 0x00000fff /* data buffer length */ 69 #define AR_More 0x00001000 /* more desc in this frame */ 70 #define AR_EncryptKeyIdx 0x0007e000 /* ecnrypt key table index */ 71 #define AR_EncryptKeyIdx_S 13 72 #define AR_RTSDuration 0xfff80000 /* lower 13bit of duration */ 73 #define AR_RTSDuration_S 19 74 75 /* RX ds_ctl1 */ 76 /* AR_BufLen 0x00000fff data buffer length */ 77 #define AR_RxInterReq 0x00002000 /* RX interrupt request */ 78 79 /* TX ds_status0 */ 80 #define AR_FrmXmitOK 0x00000001 /* TX success */ 81 #define AR_ExcessiveRetries 0x00000002 /* excessive retries */ 82 #define AR_FIFOUnderrun 0x00000004 /* TX FIFO underrun */ 83 #define AR_Filtered 0x00000008 /* TX filter indication */ 84 /* NB: the spec has the Short+Long retry counts reversed */ 85 #define AR_LongRetryCnt 0x000000f0 /* long retry count */ 86 #define AR_LongRetryCnt_S 4 87 #define AR_ShortRetryCnt 0x00000f00 /* short retry count */ 88 #define AR_ShortRetryCnt_S 8 89 #define AR_SendTimestamp 0xffff0000 /* TX timestamp */ 90 #define AR_SendTimestamp_S 16 91 92 /* RX ds_status0 */ 93 #define AR_DataLen 0x00000fff /* RX data length */ 94 /* AR_More 0x00001000 more desc in this frame */ 95 #define AR_RcvAntenna 0x00004000 /* received on ant 1 */ 96 #define AR_RcvRate 0x00078000 /* reception rate */ 97 #define AR_RcvRate_S 15 98 #define AR_RcvSigStrength 0x07f80000 /* receive signal strength */ 99 #define AR_RcvSigStrength_S 19 100 101 /* TX ds_status1 */ 102 #define AR_Done 0x00000001 /* descripter complete */ 103 #define AR_SeqNum 0x00001ffe /* TX sequence number */ 104 #define AR_AckSigStrength 0x001fe000 /* strength of ACK */ 105 #define AR_AckSigStrength_S 13 106 107 /* RX ds_status1 */ 108 /* AR_Done 0x00000001 descripter complete */ 109 #define AR_FrmRcvOK 0x00000002 /* frame reception success */ 110 #define AR_CRCErr 0x00000004 /* CRC error */ 111 #define AR_FIFOOverrun 0x00000008 /* RX FIFO overrun */ 112 #define AR_DecryptCRCErr 0x00000010 /* Decryption CRC fiailure */ 113 #define AR_PHYErr 0x000000e0 /* PHY error */ 114 #define AR_PHYErr_S 5 115 #define AR_PHYErr_NoErr 0x00000000 /* No error */ 116 #define AR_PHYErr_Tim 0x00000020 /* Timing error */ 117 #define AR_PHYErr_Par 0x00000040 /* Parity error */ 118 #define AR_PHYErr_Rate 0x00000060 /* Illegal rate */ 119 #define AR_PHYErr_Len 0x00000080 /* Illegal length */ 120 #define AR_PHYErr_QAM 0x000000a0 /* 64 QAM rate */ 121 #define AR_PHYErr_Srv 0x000000c0 /* Service bit error */ 122 #define AR_PHYErr_TOR 0x000000e0 /* Transmit override receive */ 123 #define AR_KeyIdxValid 0x00000100 /* decryption key index valid */ 124 #define AR_KeyIdx 0x00007e00 /* Decryption key index */ 125 #define AR_KeyIdx_S 9 126 #define AR_RcvTimestamp 0x0fff8000 /* timestamp */ 127 #define AR_RcvTimestamp_S 15 128 #define AR_KeyCacheMiss 0x10000000 /* key cache miss indication */ 129 130 #endif /* _DEV_ATH_AR5210DESC_H_ */ 131