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 */ 33int 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 /* 56 * Set radio capabilities 57 */ 58 59 if (AR5K_EEPROM_HDR_11A(ee_header)) { 60 /* 4920 */ 61 ah->ah_capabilities.cap_range.range_5ghz_min = 5005; 62 ah->ah_capabilities.cap_range.range_5ghz_max = 6100; 63 64 /* Set supported modes */ 65 __set_bit(AR5K_MODE_11A, 66 ah->ah_capabilities.cap_mode); 67 __set_bit(AR5K_MODE_11A_TURBO, 68 ah->ah_capabilities.cap_mode); 69 if (ah->ah_version == AR5K_AR5212) 70 __set_bit(AR5K_MODE_11G_TURBO, 71 ah->ah_capabilities.cap_mode); 72 } 73 74 /* Enable 802.11b if a 2GHz capable radio (2111/5112) is 75 * connected */ 76 if (AR5K_EEPROM_HDR_11B(ee_header) || 77 (AR5K_EEPROM_HDR_11G(ee_header) && 78 ah->ah_version != AR5K_AR5211)) { 79 /* 2312 */ 80 ah->ah_capabilities.cap_range.range_2ghz_min = 2412; 81 ah->ah_capabilities.cap_range.range_2ghz_max = 2732; 82 83 if (AR5K_EEPROM_HDR_11B(ee_header)) 84 __set_bit(AR5K_MODE_11B, 85 ah->ah_capabilities.cap_mode); 86 87 if (AR5K_EEPROM_HDR_11G(ee_header) && 88 ah->ah_version != AR5K_AR5211) 89 __set_bit(AR5K_MODE_11G, 90 ah->ah_capabilities.cap_mode); 91 } 92 } 93 94 /* Set number of supported TX queues */ 95 if (ah->ah_version == AR5K_AR5210) 96 ah->ah_capabilities.cap_queues.q_tx_num = 97 AR5K_NUM_TX_QUEUES_NOQCU; 98 else 99 ah->ah_capabilities.cap_queues.q_tx_num = AR5K_NUM_TX_QUEUES; 100 101 /* newer hardware has PHY error counters */ 102 if (ah->ah_mac_srev >= AR5K_SREV_AR5213A) 103 ah->ah_capabilities.cap_has_phyerr_counters = true; 104 else 105 ah->ah_capabilities.cap_has_phyerr_counters = false; 106 107 return 0; 108} 109 110/* Main function used by the driver part to check caps */ 111int ath5k_hw_get_capability(struct ath5k_hw *ah, 112 enum ath5k_capability_type cap_type, 113 u32 capability, u32 *result) 114{ 115 switch (cap_type) { 116 case AR5K_CAP_NUM_TXQUEUES: 117 if (result) { 118 if (ah->ah_version == AR5K_AR5210) 119 *result = AR5K_NUM_TX_QUEUES_NOQCU; 120 else 121 *result = AR5K_NUM_TX_QUEUES; 122 goto yes; 123 } 124 case AR5K_CAP_VEOL: 125 goto yes; 126 case AR5K_CAP_COMPRESSION: 127 if (ah->ah_version == AR5K_AR5212) 128 goto yes; 129 else 130 goto no; 131 case AR5K_CAP_BURST: 132 goto yes; 133 case AR5K_CAP_TPC: 134 goto yes; 135 case AR5K_CAP_BSSIDMASK: 136 if (ah->ah_version == AR5K_AR5212) 137 goto yes; 138 else 139 goto no; 140 case AR5K_CAP_XR: 141 if (ah->ah_version == AR5K_AR5212) 142 goto yes; 143 else 144 goto no; 145 default: 146 goto no; 147 } 148 149no: 150 return -EINVAL; 151yes: 152 return 0; 153} 154 155/* 156 * TODO: Following functions should be part of a new function 157 * set_capability 158 */ 159 160int ath5k_hw_enable_pspoll(struct ath5k_hw *ah, u8 *bssid, 161 u16 assoc_id) 162{ 163 if (ah->ah_version == AR5K_AR5210) { 164 AR5K_REG_DISABLE_BITS(ah, AR5K_STA_ID1, 165 AR5K_STA_ID1_NO_PSPOLL | AR5K_STA_ID1_DEFAULT_ANTENNA); 166 return 0; 167 } 168 169 return -EIO; 170} 171 172int ath5k_hw_disable_pspoll(struct ath5k_hw *ah) 173{ 174 if (ah->ah_version == AR5K_AR5210) { 175 AR5K_REG_ENABLE_BITS(ah, AR5K_STA_ID1, 176 AR5K_STA_ID1_NO_PSPOLL | AR5K_STA_ID1_DEFAULT_ANTENNA); 177 return 0; 178 } 179 180 return -EIO; 181} 182