1 /* 2 * Copyright (c) 2004-2008 Reyk Floeter <reyk@openbsd.org> 3 * Copyright (c) 2006-2008 Nick Kossifidis <mickflemm@gmail.com> 4 * Copyright (c) 2007-2008 Jiri Slaby <jirislaby@gmail.com> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 * 18 */ 19 20 /**************\ 21 * Capabilities * 22 \**************/ 23 24 #include "ath5k.h" 25 #include "reg.h" 26 #include "debug.h" 27 #include "base.h" 28 29 /* 30 * Fill the capabilities struct 31 * TODO: Merge this with EEPROM code when we are done with it 32 */ 33 int ath5k_hw_set_capabilities(struct ath5k_hw *ah) 34 { 35 u16 ee_header; 36 37 /* Capabilities stored in the EEPROM */ 38 ee_header = ah->ah_capabilities.cap_eeprom.ee_header; 39 40 if (ah->ah_version == AR5K_AR5210) { 41 /* 42 * Set radio capabilities 43 * (The AR5110 only supports the middle 5GHz band) 44 */ 45 ah->ah_capabilities.cap_range.range_5ghz_min = 5120; 46 ah->ah_capabilities.cap_range.range_5ghz_max = 5430; 47 ah->ah_capabilities.cap_range.range_2ghz_min = 0; 48 ah->ah_capabilities.cap_range.range_2ghz_max = 0; 49 50 /* Set supported modes */ 51 __set_bit(AR5K_MODE_11A, ah->ah_capabilities.cap_mode); 52 __set_bit(AR5K_MODE_11A_TURBO, ah->ah_capabilities.cap_mode); 53 } else { 54 /* 55 * XXX The tranceiver supports frequencies from 4920 to 6100GHz 56 * XXX and from 2312 to 2732GHz. There are problems with the 57 * XXX current ieee80211 implementation because the IEEE 58 * XXX channel mapping does not support negative channel 59 * XXX numbers (2312MHz is channel -19). Of course, this 60 * XXX doesn't matter because these channels are out of range 61 * XXX but some regulation domains like MKK (Japan) will 62 * XXX support frequencies somewhere around 4.8GHz. 63 */ 64 65 /* 66 * Set radio capabilities 67 */ 68 69 if (AR5K_EEPROM_HDR_11A(ee_header)) { 70 /* 4920 */ 71 ah->ah_capabilities.cap_range.range_5ghz_min = 5005; 72 ah->ah_capabilities.cap_range.range_5ghz_max = 6100; 73 74 /* Set supported modes */ 75 __set_bit(AR5K_MODE_11A, 76 ah->ah_capabilities.cap_mode); 77 __set_bit(AR5K_MODE_11A_TURBO, 78 ah->ah_capabilities.cap_mode); 79 if (ah->ah_version == AR5K_AR5212) 80 __set_bit(AR5K_MODE_11G_TURBO, 81 ah->ah_capabilities.cap_mode); 82 } 83 84 /* Enable 802.11b if a 2GHz capable radio (2111/5112) is 85 * connected */ 86 if (AR5K_EEPROM_HDR_11B(ee_header) || 87 (AR5K_EEPROM_HDR_11G(ee_header) && 88 ah->ah_version != AR5K_AR5211)) { 89 /* 2312 */ 90 ah->ah_capabilities.cap_range.range_2ghz_min = 2412; 91 ah->ah_capabilities.cap_range.range_2ghz_max = 2732; 92 93 if (AR5K_EEPROM_HDR_11B(ee_header)) 94 __set_bit(AR5K_MODE_11B, 95 ah->ah_capabilities.cap_mode); 96 97 if (AR5K_EEPROM_HDR_11G(ee_header) && 98 ah->ah_version != AR5K_AR5211) 99 __set_bit(AR5K_MODE_11G, 100 ah->ah_capabilities.cap_mode); 101 } 102 } 103 104 /* Set number of supported TX queues */ 105 if (ah->ah_version == AR5K_AR5210) 106 ah->ah_capabilities.cap_queues.q_tx_num = 107 AR5K_NUM_TX_QUEUES_NOQCU; 108 else 109 ah->ah_capabilities.cap_queues.q_tx_num = AR5K_NUM_TX_QUEUES; 110 111 /* newer hardware has PHY error counters */ 112 if (ah->ah_mac_srev >= AR5K_SREV_AR5213A) 113 ah->ah_capabilities.cap_has_phyerr_counters = true; 114 else 115 ah->ah_capabilities.cap_has_phyerr_counters = false; 116 117 return 0; 118 } 119 120 /* Main function used by the driver part to check caps */ 121 int ath5k_hw_get_capability(struct ath5k_hw *ah, 122 enum ath5k_capability_type cap_type, 123 u32 capability, u32 *result) 124 { 125 switch (cap_type) { 126 case AR5K_CAP_NUM_TXQUEUES: 127 if (result) { 128 if (ah->ah_version == AR5K_AR5210) 129 *result = AR5K_NUM_TX_QUEUES_NOQCU; 130 else 131 *result = AR5K_NUM_TX_QUEUES; 132 goto yes; 133 } 134 case AR5K_CAP_VEOL: 135 goto yes; 136 case AR5K_CAP_COMPRESSION: 137 if (ah->ah_version == AR5K_AR5212) 138 goto yes; 139 else 140 goto no; 141 case AR5K_CAP_BURST: 142 goto yes; 143 case AR5K_CAP_TPC: 144 goto yes; 145 case AR5K_CAP_BSSIDMASK: 146 if (ah->ah_version == AR5K_AR5212) 147 goto yes; 148 else 149 goto no; 150 case AR5K_CAP_XR: 151 if (ah->ah_version == AR5K_AR5212) 152 goto yes; 153 else 154 goto no; 155 default: 156 goto no; 157 } 158 159 no: 160 return -EINVAL; 161 yes: 162 return 0; 163 } 164 165 /* 166 * TODO: Following functions should be part of a new function 167 * set_capability 168 */ 169 170 int ath5k_hw_enable_pspoll(struct ath5k_hw *ah, u8 *bssid, 171 u16 assoc_id) 172 { 173 if (ah->ah_version == AR5K_AR5210) { 174 AR5K_REG_DISABLE_BITS(ah, AR5K_STA_ID1, 175 AR5K_STA_ID1_NO_PSPOLL | AR5K_STA_ID1_DEFAULT_ANTENNA); 176 return 0; 177 } 178 179 return -EIO; 180 } 181 182 int ath5k_hw_disable_pspoll(struct ath5k_hw *ah) 183 { 184 if (ah->ah_version == AR5K_AR5210) { 185 AR5K_REG_ENABLE_BITS(ah, AR5K_STA_ID1, 186 AR5K_STA_ID1_NO_PSPOLL | AR5K_STA_ID1_DEFAULT_ANTENNA); 187 return 0; 188 } 189 190 return -EIO; 191 } 192