// Copyright (c) 2014 Qualcomm Atheros, Inc. All rights reserved. // $ATH_LICENSE_HW_HDR_C$ // // DO NOT EDIT! This file is automatically generated // These definitions are tied to a particular hardware layout #ifndef _HT_SIG_H_ #define _HT_SIG_H_ #if !defined(__ASSEMBLER__) #endif // ################ START SUMMARY ################# // // Dword Fields // 0 mcs[6:0], cbw[7], length[23:8], reserved_0[31:24] // 1 smoothing[0], not_sounding[1], ht_reserved[2], aggregation[3], stbc[5:4], fec_coding[6], short_gi[7], num_ext_sp_str[9:8], crc[17:10], signal_tail[23:18], reserved_1[31:24] // // ################ END SUMMARY ################# #define NUM_OF_DWORDS_HT_SIG 2 struct ht_sig { volatile uint32_t mcs : 7, //[6:0] cbw : 1, //[7] length : 16, //[23:8] reserved_0 : 8; //[31:24] volatile uint32_t smoothing : 1, //[0] not_sounding : 1, //[1] ht_reserved : 1, //[2] aggregation : 1, //[3] stbc : 2, //[5:4] fec_coding : 1, //[6] short_gi : 1, //[7] num_ext_sp_str : 2, //[9:8] crc : 8, //[17:10] signal_tail : 6, //[23:18] reserved_1 : 8; //[31:24] }; /* mcs Modulation Coding Scheme: 0-7 are used for single stream 8-15 are used for 2 streams 16-23 are used for 3 streams 24-31 are used for 4 streams 32 is used for duplicate HT20 (unsupported) 33-76 is used for unequal modulation (unsupported) 77-127 is reserved. cbw Packet bandwidth: length This is the MPDU or A-MPDU length in octets of the PPDU reserved_0 This field is not part of HT-SIG Reserved: Should be set to 0 by the MAC and ignored by the PHY smoothing Note: encoding is wrong: 0 means no smoothing. Note: encoding is wrong: 1 means smoothing is recommended. not_sounding Unsupported: indicates sounding is used ht_reserved Reserved: Should be set to 1 by the MAC and ignored by the PHY aggregation Indicates MPDU format Indicates A-MPDU format stbc Indicates no STBC Indicates 1 stream STBC Indicates 2 stream STBC (Unsupported) fec_coding Indicates BCC coding Indicates LDPC coding short_gi Indicates normal guard interval num_ext_sp_str Number of extension spatial streams: (Used for TxBF) No extension spatial streams Not supported: 1 extension spatial streams Not supported: 2 extension spatial streams crc The CRC protects the HT-SIG (HT-SIG[0][23:0] and HT-SIG[1][9:0]. The generator polynomial is G(D) = D8 + D2 + D + 1. signal_tail The 6 bits of tail is always set to 0 is used to flush the BCC encoder and decoder. reserved_1 This field is not part of HT-SIG: Reserved: Should be set to 0 by the MAC and ignored by the PHY. */ /* Description HT_SIG_0_MCS Modulation Coding Scheme: 0-7 are used for single stream 8-15 are used for 2 streams 16-23 are used for 3 streams 24-31 are used for 4 streams 32 is used for duplicate HT20 (unsupported) 33-76 is used for unequal modulation (unsupported) 77-127 is reserved. */ #define HT_SIG_0_MCS_OFFSET 0x00000000 #define HT_SIG_0_MCS_LSB 0 #define HT_SIG_0_MCS_MASK 0x0000007f /* Description HT_SIG_0_CBW Packet bandwidth: */ #define HT_SIG_0_CBW_OFFSET 0x00000000 #define HT_SIG_0_CBW_LSB 7 #define HT_SIG_0_CBW_MASK 0x00000080 /* Description HT_SIG_0_LENGTH This is the MPDU or A-MPDU length in octets of the PPDU */ #define HT_SIG_0_LENGTH_OFFSET 0x00000000 #define HT_SIG_0_LENGTH_LSB 8 #define HT_SIG_0_LENGTH_MASK 0x00ffff00 /* Description HT_SIG_0_RESERVED_0 This field is not part of HT-SIG Reserved: Should be set to 0 by the MAC and ignored by the PHY */ #define HT_SIG_0_RESERVED_0_OFFSET 0x00000000 #define HT_SIG_0_RESERVED_0_LSB 24 #define HT_SIG_0_RESERVED_0_MASK 0xff000000 /* Description HT_SIG_1_SMOOTHING Note: encoding is wrong: 0 means no smoothing. Note: encoding is wrong: 1 means smoothing is recommended. */ #define HT_SIG_1_SMOOTHING_OFFSET 0x00000004 #define HT_SIG_1_SMOOTHING_LSB 0 #define HT_SIG_1_SMOOTHING_MASK 0x00000001 /* Description HT_SIG_1_NOT_SOUNDING Unsupported: indicates sounding is used */ #define HT_SIG_1_NOT_SOUNDING_OFFSET 0x00000004 #define HT_SIG_1_NOT_SOUNDING_LSB 1 #define HT_SIG_1_NOT_SOUNDING_MASK 0x00000002 /* Description HT_SIG_1_HT_RESERVED Reserved: Should be set to 1 by the MAC and ignored by the PHY */ #define HT_SIG_1_HT_RESERVED_OFFSET 0x00000004 #define HT_SIG_1_HT_RESERVED_LSB 2 #define HT_SIG_1_HT_RESERVED_MASK 0x00000004 /* Description HT_SIG_1_AGGREGATION Indicates MPDU format Indicates A-MPDU format */ #define HT_SIG_1_AGGREGATION_OFFSET 0x00000004 #define HT_SIG_1_AGGREGATION_LSB 3 #define HT_SIG_1_AGGREGATION_MASK 0x00000008 /* Description HT_SIG_1_STBC Indicates no STBC Indicates 1 stream STBC Indicates 2 stream STBC (Unsupported) */ #define HT_SIG_1_STBC_OFFSET 0x00000004 #define HT_SIG_1_STBC_LSB 4 #define HT_SIG_1_STBC_MASK 0x00000030 /* Description HT_SIG_1_FEC_CODING Indicates BCC coding Indicates LDPC coding */ #define HT_SIG_1_FEC_CODING_OFFSET 0x00000004 #define HT_SIG_1_FEC_CODING_LSB 6 #define HT_SIG_1_FEC_CODING_MASK 0x00000040 /* Description HT_SIG_1_SHORT_GI Indicates normal guard interval */ #define HT_SIG_1_SHORT_GI_OFFSET 0x00000004 #define HT_SIG_1_SHORT_GI_LSB 7 #define HT_SIG_1_SHORT_GI_MASK 0x00000080 /* Description HT_SIG_1_NUM_EXT_SP_STR Number of extension spatial streams: (Used for TxBF) No extension spatial streams Not supported: 1 extension spatial streams Not supported: 2 extension spatial streams */ #define HT_SIG_1_NUM_EXT_SP_STR_OFFSET 0x00000004 #define HT_SIG_1_NUM_EXT_SP_STR_LSB 8 #define HT_SIG_1_NUM_EXT_SP_STR_MASK 0x00000300 /* Description HT_SIG_1_CRC The CRC protects the HT-SIG (HT-SIG[0][23:0] and HT-SIG[1][9:0]. The generator polynomial is G(D) = D8 + D2 + D + 1. */ #define HT_SIG_1_CRC_OFFSET 0x00000004 #define HT_SIG_1_CRC_LSB 10 #define HT_SIG_1_CRC_MASK 0x0003fc00 /* Description HT_SIG_1_SIGNAL_TAIL The 6 bits of tail is always set to 0 is used to flush the BCC encoder and decoder. */ #define HT_SIG_1_SIGNAL_TAIL_OFFSET 0x00000004 #define HT_SIG_1_SIGNAL_TAIL_LSB 18 #define HT_SIG_1_SIGNAL_TAIL_MASK 0x00fc0000 /* Description HT_SIG_1_RESERVED_1 This field is not part of HT-SIG: Reserved: Should be set to 0 by the MAC and ignored by the PHY. */ #define HT_SIG_1_RESERVED_1_OFFSET 0x00000004 #define HT_SIG_1_RESERVED_1_LSB 24 #define HT_SIG_1_RESERVED_1_MASK 0xff000000 #endif // _HT_SIG_H_