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 ; |
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(redomain: 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 | |