2 * Copyright (c) 2013 Qualcomm Atheros, Inc.
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37 #include "ah_internal.h"
38 #include <asf_bitmap.h>
40 extern struct ath_hal *ar5416Attach(a_uint32_t devid,HAL_SOFTC sc, adf_os_device_t dev,
41 a_uint32_t flags, HAL_STATUS *status);
44 ath_hal_attach_tgt(a_uint32_t devid,HAL_SOFTC sc,
46 a_uint32_t flags, HAL_STATUS *error)
48 struct ath_hal *ah = AH_NULL;
50 devid = AR5416_DEVID_PCIE;
51 ah = ar5416Attach(devid, sc, dev, flags, error);
57 ath_hal_getcapability(struct ath_hal *ah, HAL_CAPABILITY_TYPE type)
59 const HAL_CAPABILITIES *pCap = &AH_PRIVATE(ah)->ah_caps;
61 case HAL_CAP_TSF_ADJUST:
63 case HAL_CAP_BSSIDMASK:
64 return pCap->halBssIdMaskSupport ? HAL_OK : HAL_ENOTSUPP;
66 return pCap->halVEOLSupport ? HAL_OK : HAL_ENOTSUPP;
72 #define CCK_SIFS_TIME 10
73 #define CCK_PREAMBLE_BITS 144
74 #define CCK_PLCP_BITS 48
76 #define OFDM_SIFS_TIME 16
77 #define OFDM_PREAMBLE_TIME 20
78 #define OFDM_PLCP_BITS 22
79 #define OFDM_SYMBOL_TIME 4
81 #define OFDM_SIFS_TIME_HALF 32
82 #define OFDM_PREAMBLE_TIME_HALF 40
83 #define OFDM_PLCP_BITS_HALF 22
84 #define OFDM_SYMBOL_TIME_HALF 8
86 #define OFDM_SIFS_TIME_QUARTER 64
87 #define OFDM_PREAMBLE_TIME_QUARTER 80
88 #define OFDM_PLCP_BITS_QUARTER 22
89 #define OFDM_SYMBOL_TIME_QUARTER 16
92 ath_hal_computetxtime(struct ath_hal *ah,
93 const HAL_RATE_TABLE *rates, a_uint32_t frameLen, a_uint16_t rateix,
94 HAL_BOOL shortPreamble)
96 a_uint32_t bitsPerSymbol, numBits, numSymbols, phyTime, txTime;
99 kbps = rates->info[rateix].rateKbps;
102 * index can be invalid duting dynamic Turbo transitions.
104 if(kbps == 0) return 0;
105 switch (rates->info[rateix].phy) {
107 case IEEE80211_T_CCK:
108 phyTime = CCK_PREAMBLE_BITS + CCK_PLCP_BITS;
109 if (shortPreamble && rates->info[rateix].shortPreamble)
111 numBits = frameLen << 3;
112 txTime = phyTime + ((numBits * 1000)/kbps);
113 /* TODO: make sure the same value of txTime can use in all device */
114 if (ath_hal_getcapability(ah, HAL_CAP_HT) != HAL_OK)
115 txTime = txTime + CCK_SIFS_TIME;
117 case IEEE80211_T_OFDM:
118 /* full rate channel */
119 bitsPerSymbol = (kbps * OFDM_SYMBOL_TIME) / 1000;
120 HALASSERT(bitsPerSymbol != 0);
122 numBits = OFDM_PLCP_BITS + (frameLen << 3);
123 numSymbols = asf_howmany(numBits, bitsPerSymbol);
124 txTime = OFDM_PREAMBLE_TIME + (numSymbols * OFDM_SYMBOL_TIME);
125 /* TODO: make sure the same value of txTime can use in all device */
126 if (ath_hal_getcapability(ah, HAL_CAP_HT) != HAL_OK)
127 txTime = txTime + OFDM_SIFS_TIME;
137 #undef CCK_PREAMBLE_BITS
140 #undef OFDM_SIFS_TIME
141 #undef OFDM_PREAMBLE_TIME
142 #undef OFDM_PLCP_BITS
143 #undef OFDM_SYMBOL_TIME
147 ath_hal_get_curmode(struct ath_hal *ah, HAL_CHANNEL_INTERNAL *chan)
150 return HAL_MODE_11NG;
152 if (IS_CHAN_NA(chan))
153 return HAL_MODE_11NA;
158 if (IS_CHAN_NG(chan))
159 return HAL_MODE_11NG;
168 return HAL_MODE_11NG;
174 ath_hal_wait(struct ath_hal *ah, a_uint32_t reg, a_uint32_t mask, a_uint32_t val)
176 #define AH_TIMEOUT_11N 100000
177 #define AH_TIMEOUT_11G 1000
181 if (ath_hal_getcapability(ah, HAL_CAP_HT) == HAL_OK) {
182 for (i = 0; i < AH_TIMEOUT_11N; i++) {
183 if ((OS_REG_READ(ah, reg) & mask) == val)
188 for (i = 0; i < AH_TIMEOUT_11G; i++) {
189 if ((OS_REG_READ(ah, reg) & mask) == val)
196 #undef AH_TIMEOUT_11N
197 #undef AH_TIMEOUT_11G