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,
58 a_uint32_t capability, a_uint32_t *result)
61 const HAL_CAPABILITIES *pCap = &AH_PRIVATE(ah)->ah_caps;
63 case HAL_CAP_TSF_ADJUST:
65 case HAL_CAP_BSSIDMASK:
66 return pCap->halBssIdMaskSupport ? HAL_OK : HAL_ENOTSUPP;
68 return pCap->halVEOLSupport ? HAL_OK : HAL_ENOTSUPP;
75 ath_hal_setupratetable(struct ath_hal *ah, HAL_RATE_TABLE *rt)
79 if (rt->rateCodeToIndex[0] != 0)
82 for (i = 0; i < 32; i++)
83 rt->rateCodeToIndex[i] = (a_uint8_t) -1;
84 for (i = 0; i < rt->rateCount; i++) {
85 a_uint8_t code = rt->info[i].rateCode;
86 a_uint8_t cix = rt->info[i].controlRate;
88 rt->rateCodeToIndex[code] = i;
89 rt->rateCodeToIndex[code | rt->info[i].shortPreamble] = i;
90 rt->info[i].lpAckDuration = ath_hal_computetxtime(ah, rt,
91 WLAN_CTRL_FRAME_SIZE, cix, AH_FALSE);
92 rt->info[i].spAckDuration = ath_hal_computetxtime(ah, rt,
93 WLAN_CTRL_FRAME_SIZE, cix, AH_TRUE);
97 #define CCK_SIFS_TIME 10
98 #define CCK_PREAMBLE_BITS 144
99 #define CCK_PLCP_BITS 48
101 #define OFDM_SIFS_TIME 16
102 #define OFDM_PREAMBLE_TIME 20
103 #define OFDM_PLCP_BITS 22
104 #define OFDM_SYMBOL_TIME 4
106 #define OFDM_SIFS_TIME_HALF 32
107 #define OFDM_PREAMBLE_TIME_HALF 40
108 #define OFDM_PLCP_BITS_HALF 22
109 #define OFDM_SYMBOL_TIME_HALF 8
111 #define OFDM_SIFS_TIME_QUARTER 64
112 #define OFDM_PREAMBLE_TIME_QUARTER 80
113 #define OFDM_PLCP_BITS_QUARTER 22
114 #define OFDM_SYMBOL_TIME_QUARTER 16
117 ath_hal_computetxtime(struct ath_hal *ah,
118 const HAL_RATE_TABLE *rates, a_uint32_t frameLen, a_uint16_t rateix,
119 HAL_BOOL shortPreamble)
121 a_uint32_t bitsPerSymbol, numBits, numSymbols, phyTime, txTime;
124 kbps = rates->info[rateix].rateKbps;
127 * index can be invalid duting dynamic Turbo transitions.
129 if(kbps == 0) return 0;
130 switch (rates->info[rateix].phy) {
132 case IEEE80211_T_CCK:
133 phyTime = CCK_PREAMBLE_BITS + CCK_PLCP_BITS;
134 if (shortPreamble && rates->info[rateix].shortPreamble)
136 numBits = frameLen << 3;
137 txTime = phyTime + ((numBits * 1000)/kbps);
138 /* TODO: make sure the same value of txTime can use in all device */
139 if (ath_hal_getcapability(ah, HAL_CAP_HT, 0, AH_NULL) != HAL_OK)
140 txTime = txTime + CCK_SIFS_TIME;
142 case IEEE80211_T_OFDM:
143 /* full rate channel */
144 bitsPerSymbol = (kbps * OFDM_SYMBOL_TIME) / 1000;
145 HALASSERT(bitsPerSymbol != 0);
147 numBits = OFDM_PLCP_BITS + (frameLen << 3);
148 numSymbols = asf_howmany(numBits, bitsPerSymbol);
149 txTime = OFDM_PREAMBLE_TIME + (numSymbols * OFDM_SYMBOL_TIME);
150 /* TODO: make sure the same value of txTime can use in all device */
151 if (ath_hal_getcapability(ah, HAL_CAP_HT, 0, AH_NULL) != HAL_OK)
152 txTime = txTime + OFDM_SIFS_TIME;
162 #undef CCK_PREAMBLE_BITS
165 #undef OFDM_SIFS_TIME
166 #undef OFDM_PREAMBLE_TIME
167 #undef OFDM_PLCP_BITS
168 #undef OFDM_SYMBOL_TIME
172 ath_hal_get_curmode(struct ath_hal *ah, HAL_CHANNEL_INTERNAL *chan)
175 return HAL_MODE_11NG;
177 if (IS_CHAN_NA(chan))
178 return HAL_MODE_11NA;
183 if (IS_CHAN_NG(chan))
184 return HAL_MODE_11NG;
193 return HAL_MODE_11NG;
199 ath_hal_wait(struct ath_hal *ah, a_uint32_t reg, a_uint32_t mask, a_uint32_t val)
201 #define AH_TIMEOUT_11N 100000
202 #define AH_TIMEOUT_11G 1000
206 if (ath_hal_getcapability(ah, HAL_CAP_HT, 0, AH_NULL) == HAL_OK) {
207 for (i = 0; i < AH_TIMEOUT_11N; i++) {
208 if ((OS_REG_READ(ah, reg) & mask) == val)
213 for (i = 0; i < AH_TIMEOUT_11G; i++) {
214 if ((OS_REG_READ(ah, reg) & mask) == val)
221 #undef AH_TIMEOUT_11N
222 #undef AH_TIMEOUT_11G