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 "../regd.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 /* Override 2GHz modes on SoCs that need it 89 * NOTE: cap_needs_2GHz_ovr gets set from 90 * ath_ahb_probe */ 91 if (!caps->cap_needs_2GHz_ovr) { 92 if (AR5K_EEPROM_HDR_11B(ee_header)) 93 __set_bit(AR5K_MODE_11B, 94 caps->cap_mode); 95 96 if (AR5K_EEPROM_HDR_11G(ee_header) && 97 ah->ah_version != AR5K_AR5211) 98 __set_bit(AR5K_MODE_11G, 99 caps->cap_mode); 100 } 101 } 102 } 103 104 if ((ah->ah_radio_5ghz_revision & 0xf0) == AR5K_SREV_RAD_2112) 105 __clear_bit(AR5K_MODE_11A, caps->cap_mode); 106 107 /* Set number of supported TX queues */ 108 if (ah->ah_version == AR5K_AR5210) 109 caps->cap_queues.q_tx_num = AR5K_NUM_TX_QUEUES_NOQCU; 110 else 111 caps->cap_queues.q_tx_num = AR5K_NUM_TX_QUEUES; 112 113 /* Newer hardware has PHY error counters */ 114 if (ah->ah_mac_srev >= AR5K_SREV_AR5213A) 115 caps->cap_has_phyerr_counters = true; 116 else 117 caps->cap_has_phyerr_counters = false; 118 119 /* MACs since AR5212 have MRR support */ 120 if (ah->ah_version == AR5K_AR5212) 121 caps->cap_has_mrr_support = true; 122 else 123 caps->cap_has_mrr_support = false; 124 125 return 0; 126 } 127 128 /* 129 * TODO: Following functions should be part of a new function 130 * set_capability 131 */ 132 133 int ath5k_hw_enable_pspoll(struct ath5k_hw *ah, u8 *bssid, 134 u16 assoc_id) 135 { 136 if (ah->ah_version == AR5K_AR5210) { 137 AR5K_REG_DISABLE_BITS(ah, AR5K_STA_ID1, 138 AR5K_STA_ID1_NO_PSPOLL | AR5K_STA_ID1_DEFAULT_ANTENNA); 139 return 0; 140 } 141 142 return -EIO; 143 } 144 145 int ath5k_hw_disable_pspoll(struct ath5k_hw *ah) 146 { 147 if (ah->ah_version == AR5K_AR5210) { 148 AR5K_REG_ENABLE_BITS(ah, AR5K_STA_ID1, 149 AR5K_STA_ID1_NO_PSPOLL | AR5K_STA_ID1_DEFAULT_ANTENNA); 150 return 0; 151 } 152 153 return -EIO; 154 } 155