1 /* 2 * Copyright (c) 2004-2008 Reyk Floeter <reyk (at) openbsd.org> 3 * Copyright (c) 2006-2008 Nick Kossifidis <mickflemm (at) gmail.com> 4 * Copyright (c) 2007-2008 Jiri Slaby <jirislaby (at) gmail.com> 5 * 6 * Lightly modified for gPXE, July 2009, by Joshua Oreman <oremanj (at) rwcr.net>. 7 * 8 * Permission to use, copy, modify, and distribute this software for any 9 * purpose with or without fee is hereby granted, provided that the above 10 * copyright notice and this permission notice appear in all copies. 11 * 12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 16 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 17 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 18 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 19 * 20 */ 21 22 FILE_LICENCE ( MIT ); 23 24 /**************\ 25 * Capabilities * 26 \**************/ 27 28 #include "ath5k.h" 29 #include "reg.h" 30 #include "base.h" 31 32 /* 33 * Fill the capabilities struct 34 * TODO: Merge this with EEPROM code when we are done with it 35 */ 36 int ath5k_hw_set_capabilities(struct ath5k_hw *ah) 37 { 38 u16 ee_header; 39 40 /* Capabilities stored in the EEPROM */ 41 ee_header = ah->ah_capabilities.cap_eeprom.ee_header; 42 43 if (ah->ah_version == AR5K_AR5210) { 44 /* 45 * Set radio capabilities 46 * (The AR5110 only supports the middle 5GHz band) 47 */ 48 ah->ah_capabilities.cap_range.range_5ghz_min = 5120; 49 ah->ah_capabilities.cap_range.range_5ghz_max = 5430; 50 ah->ah_capabilities.cap_range.range_2ghz_min = 0; 51 ah->ah_capabilities.cap_range.range_2ghz_max = 0; 52 53 /* Set supported modes */ 54 ah->ah_capabilities.cap_mode |= AR5K_MODE_BIT_11A; 55 ah->ah_capabilities.cap_mode |= AR5K_MODE_BIT_11A_TURBO; 56 } else { 57 /* 58 * XXX The tranceiver supports frequencies from 4920 to 6100GHz 59 * XXX and from 2312 to 2732GHz. There are problems with the 60 * XXX current ieee80211 implementation because the IEEE 61 * XXX channel mapping does not support negative channel 62 * XXX numbers (2312MHz is channel -19). Of course, this 63 * XXX doesn't matter because these channels are out of range 64 * XXX but some regulation domains like MKK (Japan) will 65 * XXX support frequencies somewhere around 4.8GHz. 66 */ 67 68 /* 69 * Set radio capabilities 70 */ 71 72 if (AR5K_EEPROM_HDR_11A(ee_header)) { 73 /* 4920 */ 74 ah->ah_capabilities.cap_range.range_5ghz_min = 5005; 75 ah->ah_capabilities.cap_range.range_5ghz_max = 6100; 76 77 /* Set supported modes */ 78 ah->ah_capabilities.cap_mode |= AR5K_MODE_BIT_11A; 79 ah->ah_capabilities.cap_mode |= AR5K_MODE_BIT_11A_TURBO; 80 if (ah->ah_version == AR5K_AR5212) 81 ah->ah_capabilities.cap_mode |= 82 AR5K_MODE_BIT_11G_TURBO; 83 } 84 85 /* Enable 802.11b if a 2GHz capable radio (2111/5112) is 86 * connected */ 87 if (AR5K_EEPROM_HDR_11B(ee_header) || 88 (AR5K_EEPROM_HDR_11G(ee_header) && 89 ah->ah_version != AR5K_AR5211)) { 90 /* 2312 */ 91 ah->ah_capabilities.cap_range.range_2ghz_min = 2412; 92 ah->ah_capabilities.cap_range.range_2ghz_max = 2732; 93 94 if (AR5K_EEPROM_HDR_11B(ee_header)) 95 ah->ah_capabilities.cap_mode |= 96 AR5K_MODE_BIT_11B; 97 98 if (AR5K_EEPROM_HDR_11G(ee_header) && 99 ah->ah_version != AR5K_AR5211) 100 ah->ah_capabilities.cap_mode |= 101 AR5K_MODE_BIT_11G; 102 } 103 } 104 105 /* GPIO */ 106 ah->ah_gpio_npins = AR5K_NUM_GPIO; 107 108 /* Set number of supported TX queues */ 109 ah->ah_capabilities.cap_queues.q_tx_num = 1; 110 111 return 0; 112 } 113 114 /* Main function used by the driver part to check caps */ 115 int ath5k_hw_get_capability(struct ath5k_hw *ah, 116 enum ath5k_capability_type cap_type, 117 u32 capability __unused, u32 *result) 118 { 119 switch (cap_type) { 120 case AR5K_CAP_NUM_TXQUEUES: 121 if (result) { 122 *result = 1; 123 goto yes; 124 } 125 case AR5K_CAP_VEOL: 126 goto yes; 127 case AR5K_CAP_COMPRESSION: 128 if (ah->ah_version == AR5K_AR5212) 129 goto yes; 130 else 131 goto no; 132 case AR5K_CAP_BURST: 133 goto yes; 134 case AR5K_CAP_TPC: 135 goto yes; 136 case AR5K_CAP_BSSIDMASK: 137 if (ah->ah_version == AR5K_AR5212) 138 goto yes; 139 else 140 goto no; 141 case AR5K_CAP_XR: 142 if (ah->ah_version == AR5K_AR5212) 143 goto yes; 144 else 145 goto no; 146 default: 147 goto no; 148 } 149 150 no: 151 return -EINVAL; 152 yes: 153 return 0; 154 } 155
