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 struct ath5k_capabilities *caps = &ah->ah_capabilities; 36 u16 ee_header; 37 38 /* Capabilities stored in the EEPROM */ 39 ee_header = caps->cap_eeprom.ee_header; 40 41 if (ah->ah_version == AR5K_AR5210) { 42 /* 43 * Set radio capabilities 44 * (The AR5110 only supports the middle 5GHz band) 45 */ 46 caps->cap_range.range_5ghz_min = 5120; 47 caps->cap_range.range_5ghz_max = 5430; 48 caps->cap_range.range_2ghz_min = 0; 49 caps->cap_range.range_2ghz_max = 0; 50 51 /* Set supported modes */ 52 __set_bit(AR5K_MODE_11A, caps->cap_mode); 53 } else { 54 /* 55 * XXX The transceiver supports frequencies from 4920 to 6100MHz 56 * XXX and from 2312 to 2732MHz. 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 the 61 * XXX legal range. 62 */ 63 64 /* 65 * Set radio capabilities 66 */ 67 68 if (AR5K_EEPROM_HDR_11A(ee_header)) { 69 if (ath_is_49ghz_allowed(caps->cap_eeprom.ee_regdomain)) 70 caps->cap_range.range_5ghz_min = 4920; 71 else 72 caps->cap_range.range_5ghz_min = 5005; 73 caps->cap_range.range_5ghz_max = 6100; 74 75 /* Set supported modes */ 76 __set_bit(AR5K_MODE_11A, caps->cap_mode); 77 } 78 79 /* Enable 802.11b if a 2GHz capable radio (2111/5112) is 80 * connected */ 81 if (AR5K_EEPROM_HDR_11B(ee_header) || 82 (AR5K_EEPROM_HDR_11G(ee_header) && 83 ah->ah_version != AR5K_AR5211)) { 84 /* 2312 */ 85 caps->cap_range.range_2ghz_min = 2412; 86 caps->cap_range.range_2ghz_max = 2732; 87 88 if (AR5K_EEPROM_HDR_11B(ee_header)) 89 __set_bit(AR5K_MODE_11B, caps->cap_mode); 90 91 if (AR5K_EEPROM_HDR_11G(ee_header) && 92 ah->ah_version != AR5K_AR5211) 93 __set_bit(AR5K_MODE_11G, caps->cap_mode); 94 } 95 } 96 97 if ((ah->ah_radio_5ghz_revision & 0xf0) == AR5K_SREV_RAD_2112) 98 __clear_bit(AR5K_MODE_11A, caps->cap_mode); 99 100 /* Set number of supported TX queues */ 101 if (ah->ah_version == AR5K_AR5210) 102 caps->cap_queues.q_tx_num = AR5K_NUM_TX_QUEUES_NOQCU; 103 else 104 caps->cap_queues.q_tx_num = AR5K_NUM_TX_QUEUES; 105 106 /* newer hardware has PHY error counters */ 107 if (ah->ah_mac_srev >= AR5K_SREV_AR5213A) 108 caps->cap_has_phyerr_counters = true; 109 else 110 caps->cap_has_phyerr_counters = false; 111 112 return 0; 113 } 114 115 /* Main function used by the driver part to check caps */ 116 int ath5k_hw_get_capability(struct ath5k_hw *ah, 117 enum ath5k_capability_type cap_type, 118 u32 capability, u32 *result) 119 { 120 switch (cap_type) { 121 case AR5K_CAP_NUM_TXQUEUES: 122 if (result) { 123 if (ah->ah_version == AR5K_AR5210) 124 *result = AR5K_NUM_TX_QUEUES_NOQCU; 125 else 126 *result = AR5K_NUM_TX_QUEUES; 127 goto yes; 128 } 129 case AR5K_CAP_VEOL: 130 goto yes; 131 case AR5K_CAP_COMPRESSION: 132 if (ah->ah_version == AR5K_AR5212) 133 goto yes; 134 else 135 goto no; 136 case AR5K_CAP_BURST: 137 goto yes; 138 case AR5K_CAP_TPC: 139 goto yes; 140 case AR5K_CAP_BSSIDMASK: 141 if (ah->ah_version == AR5K_AR5212) 142 goto yes; 143 else 144 goto no; 145 case AR5K_CAP_XR: 146 if (ah->ah_version == AR5K_AR5212) 147 goto yes; 148 else 149 goto no; 150 default: 151 goto no; 152 } 153 154 no: 155 return -EINVAL; 156 yes: 157 return 0; 158 } 159 160 /* 161 * TODO: Following functions should be part of a new function 162 * set_capability 163 */ 164 165 int ath5k_hw_enable_pspoll(struct ath5k_hw *ah, u8 *bssid, 166 u16 assoc_id) 167 { 168 if (ah->ah_version == AR5K_AR5210) { 169 AR5K_REG_DISABLE_BITS(ah, AR5K_STA_ID1, 170 AR5K_STA_ID1_NO_PSPOLL | AR5K_STA_ID1_DEFAULT_ANTENNA); 171 return 0; 172 } 173 174 return -EIO; 175 } 176 177 int ath5k_hw_disable_pspoll(struct ath5k_hw *ah) 178 { 179 if (ah->ah_version == AR5K_AR5210) { 180 AR5K_REG_ENABLE_BITS(ah, AR5K_STA_ID1, 181 AR5K_STA_ID1_NO_PSPOLL | AR5K_STA_ID1_DEFAULT_ANTENNA); 182 return 0; 183 } 184 185 return -EIO; 186 } 187