1 /*
2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
3 * All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 *
20 * File: channel.c
21 *
22 * Purpose: Channel number mapping
23 *
24 * Author: Lucas Lin
25 *
26 * Date: Dec 24, 2004
27 *
28 *
29 *
30 * Revision History:
31 * 01-18-2005 RobertYu: remove the for loop searching in
32 * ChannelValid, change ChannelRuleTab
33 * to lookup-type, reorder table items.
34 *
35 *
36 */
37
38 #include "device.h"
39 #include "channel.h"
40 #include "rf.h"
41
42 static struct ieee80211_rate vnt_rates_bg[] = {
43 { .bitrate = 10, .hw_value = RATE_1M },
44 { .bitrate = 20, .hw_value = RATE_2M },
45 { .bitrate = 55, .hw_value = RATE_5M },
46 { .bitrate = 110, .hw_value = RATE_11M },
47 { .bitrate = 60, .hw_value = RATE_6M },
48 { .bitrate = 90, .hw_value = RATE_9M },
49 { .bitrate = 120, .hw_value = RATE_12M },
50 { .bitrate = 180, .hw_value = RATE_18M },
51 { .bitrate = 240, .hw_value = RATE_24M },
52 { .bitrate = 360, .hw_value = RATE_36M },
53 { .bitrate = 480, .hw_value = RATE_48M },
54 { .bitrate = 540, .hw_value = RATE_54M },
55 };
56
57 static struct ieee80211_rate vnt_rates_a[] = {
58 { .bitrate = 60, .hw_value = RATE_6M },
59 { .bitrate = 90, .hw_value = RATE_9M },
60 { .bitrate = 120, .hw_value = RATE_12M },
61 { .bitrate = 180, .hw_value = RATE_18M },
62 { .bitrate = 240, .hw_value = RATE_24M },
63 { .bitrate = 360, .hw_value = RATE_36M },
64 { .bitrate = 480, .hw_value = RATE_48M },
65 { .bitrate = 540, .hw_value = RATE_54M },
66 };
67
68 static struct ieee80211_channel vnt_channels_2ghz[] = {
69 { .center_freq = 2412, .hw_value = 1 },
70 { .center_freq = 2417, .hw_value = 2 },
71 { .center_freq = 2422, .hw_value = 3 },
72 { .center_freq = 2427, .hw_value = 4 },
73 { .center_freq = 2432, .hw_value = 5 },
74 { .center_freq = 2437, .hw_value = 6 },
75 { .center_freq = 2442, .hw_value = 7 },
76 { .center_freq = 2447, .hw_value = 8 },
77 { .center_freq = 2452, .hw_value = 9 },
78 { .center_freq = 2457, .hw_value = 10 },
79 { .center_freq = 2462, .hw_value = 11 },
80 { .center_freq = 2467, .hw_value = 12 },
81 { .center_freq = 2472, .hw_value = 13 },
82 { .center_freq = 2484, .hw_value = 14 }
83 };
84
85 static struct ieee80211_channel vnt_channels_5ghz[] = {
86 { .center_freq = 4915, .hw_value = 15 },
87 { .center_freq = 4920, .hw_value = 16 },
88 { .center_freq = 4925, .hw_value = 17 },
89 { .center_freq = 4935, .hw_value = 18 },
90 { .center_freq = 4940, .hw_value = 19 },
91 { .center_freq = 4945, .hw_value = 20 },
92 { .center_freq = 4960, .hw_value = 21 },
93 { .center_freq = 4980, .hw_value = 22 },
94 { .center_freq = 5035, .hw_value = 23 },
95 { .center_freq = 5040, .hw_value = 24 },
96 { .center_freq = 5045, .hw_value = 25 },
97 { .center_freq = 5055, .hw_value = 26 },
98 { .center_freq = 5060, .hw_value = 27 },
99 { .center_freq = 5080, .hw_value = 28 },
100 { .center_freq = 5170, .hw_value = 29 },
101 { .center_freq = 5180, .hw_value = 30 },
102 { .center_freq = 5190, .hw_value = 31 },
103 { .center_freq = 5200, .hw_value = 32 },
104 { .center_freq = 5210, .hw_value = 33 },
105 { .center_freq = 5220, .hw_value = 34 },
106 { .center_freq = 5230, .hw_value = 35 },
107 { .center_freq = 5240, .hw_value = 36 },
108 { .center_freq = 5260, .hw_value = 37 },
109 { .center_freq = 5280, .hw_value = 38 },
110 { .center_freq = 5300, .hw_value = 39 },
111 { .center_freq = 5320, .hw_value = 40 },
112 { .center_freq = 5500, .hw_value = 41 },
113 { .center_freq = 5520, .hw_value = 42 },
114 { .center_freq = 5540, .hw_value = 43 },
115 { .center_freq = 5560, .hw_value = 44 },
116 { .center_freq = 5580, .hw_value = 45 },
117 { .center_freq = 5600, .hw_value = 46 },
118 { .center_freq = 5620, .hw_value = 47 },
119 { .center_freq = 5640, .hw_value = 48 },
120 { .center_freq = 5660, .hw_value = 49 },
121 { .center_freq = 5680, .hw_value = 50 },
122 { .center_freq = 5700, .hw_value = 51 },
123 { .center_freq = 5745, .hw_value = 52 },
124 { .center_freq = 5765, .hw_value = 53 },
125 { .center_freq = 5785, .hw_value = 54 },
126 { .center_freq = 5805, .hw_value = 55 },
127 { .center_freq = 5825, .hw_value = 56 }
128 };
129
130 static struct ieee80211_supported_band vnt_supported_2ghz_band = {
131 .channels = vnt_channels_2ghz,
132 .n_channels = ARRAY_SIZE(vnt_channels_2ghz),
133 .bitrates = vnt_rates_bg,
134 .n_bitrates = ARRAY_SIZE(vnt_rates_bg),
135 };
136
137 static struct ieee80211_supported_band vnt_supported_5ghz_band = {
138 .channels = vnt_channels_5ghz,
139 .n_channels = ARRAY_SIZE(vnt_channels_5ghz),
140 .bitrates = vnt_rates_a,
141 .n_bitrates = ARRAY_SIZE(vnt_rates_a),
142 };
143
vnt_init_bands(struct vnt_private * priv)144 void vnt_init_bands(struct vnt_private *priv)
145 {
146 struct ieee80211_channel *ch;
147 int i;
148
149 switch (priv->rf_type) {
150 case RF_AIROHA7230:
151 case RF_VT3342A0:
152 default:
153 ch = vnt_channels_5ghz;
154
155 for (i = 0; i < ARRAY_SIZE(vnt_channels_5ghz); i++) {
156 ch[i].max_power = VNT_RF_MAX_POWER;
157 ch[i].flags = IEEE80211_CHAN_NO_HT40;
158 }
159
160 priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
161 &vnt_supported_5ghz_band;
162 /* fallthrough */
163 case RF_AL2230:
164 case RF_AL2230S:
165 case RF_VT3226:
166 case RF_VT3226D0:
167 ch = vnt_channels_2ghz;
168
169 for (i = 0; i < ARRAY_SIZE(vnt_channels_2ghz); i++) {
170 ch[i].max_power = VNT_RF_MAX_POWER;
171 ch[i].flags = IEEE80211_CHAN_NO_HT40;
172 }
173
174 priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
175 &vnt_supported_2ghz_band;
176 break;
177 }
178 }
179