1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. 4 * All rights reserved. 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * 17 * File: channel.c 18 * 19 * Purpose: Channel number mapping 20 * 21 * Author: Lucas Lin 22 * 23 * Date: Dec 24, 2004 24 * 25 * 26 * 27 * Revision History: 28 * 01-18-2005 RobertYu: remove the for loop searching in 29 * ChannelValid, change ChannelRuleTab 30 * to lookup-type, reorder table items. 31 * 32 * 33 */ 34 35 #include "device.h" 36 #include "channel.h" 37 #include "rf.h" 38 39 static struct ieee80211_rate vnt_rates_bg[] = { 40 { .bitrate = 10, .hw_value = RATE_1M }, 41 { .bitrate = 20, .hw_value = RATE_2M }, 42 { .bitrate = 55, .hw_value = RATE_5M }, 43 { .bitrate = 110, .hw_value = RATE_11M }, 44 { .bitrate = 60, .hw_value = RATE_6M }, 45 { .bitrate = 90, .hw_value = RATE_9M }, 46 { .bitrate = 120, .hw_value = RATE_12M }, 47 { .bitrate = 180, .hw_value = RATE_18M }, 48 { .bitrate = 240, .hw_value = RATE_24M }, 49 { .bitrate = 360, .hw_value = RATE_36M }, 50 { .bitrate = 480, .hw_value = RATE_48M }, 51 { .bitrate = 540, .hw_value = RATE_54M }, 52 }; 53 54 static struct ieee80211_rate vnt_rates_a[] = { 55 { .bitrate = 60, .hw_value = RATE_6M }, 56 { .bitrate = 90, .hw_value = RATE_9M }, 57 { .bitrate = 120, .hw_value = RATE_12M }, 58 { .bitrate = 180, .hw_value = RATE_18M }, 59 { .bitrate = 240, .hw_value = RATE_24M }, 60 { .bitrate = 360, .hw_value = RATE_36M }, 61 { .bitrate = 480, .hw_value = RATE_48M }, 62 { .bitrate = 540, .hw_value = RATE_54M }, 63 }; 64 65 static struct ieee80211_channel vnt_channels_2ghz[] = { 66 { .center_freq = 2412, .hw_value = 1 }, 67 { .center_freq = 2417, .hw_value = 2 }, 68 { .center_freq = 2422, .hw_value = 3 }, 69 { .center_freq = 2427, .hw_value = 4 }, 70 { .center_freq = 2432, .hw_value = 5 }, 71 { .center_freq = 2437, .hw_value = 6 }, 72 { .center_freq = 2442, .hw_value = 7 }, 73 { .center_freq = 2447, .hw_value = 8 }, 74 { .center_freq = 2452, .hw_value = 9 }, 75 { .center_freq = 2457, .hw_value = 10 }, 76 { .center_freq = 2462, .hw_value = 11 }, 77 { .center_freq = 2467, .hw_value = 12 }, 78 { .center_freq = 2472, .hw_value = 13 }, 79 { .center_freq = 2484, .hw_value = 14 } 80 }; 81 82 static struct ieee80211_channel vnt_channels_5ghz[] = { 83 { .center_freq = 4915, .hw_value = 15 }, 84 { .center_freq = 4920, .hw_value = 16 }, 85 { .center_freq = 4925, .hw_value = 17 }, 86 { .center_freq = 4935, .hw_value = 18 }, 87 { .center_freq = 4940, .hw_value = 19 }, 88 { .center_freq = 4945, .hw_value = 20 }, 89 { .center_freq = 4960, .hw_value = 21 }, 90 { .center_freq = 4980, .hw_value = 22 }, 91 { .center_freq = 5035, .hw_value = 23 }, 92 { .center_freq = 5040, .hw_value = 24 }, 93 { .center_freq = 5045, .hw_value = 25 }, 94 { .center_freq = 5055, .hw_value = 26 }, 95 { .center_freq = 5060, .hw_value = 27 }, 96 { .center_freq = 5080, .hw_value = 28 }, 97 { .center_freq = 5170, .hw_value = 29 }, 98 { .center_freq = 5180, .hw_value = 30 }, 99 { .center_freq = 5190, .hw_value = 31 }, 100 { .center_freq = 5200, .hw_value = 32 }, 101 { .center_freq = 5210, .hw_value = 33 }, 102 { .center_freq = 5220, .hw_value = 34 }, 103 { .center_freq = 5230, .hw_value = 35 }, 104 { .center_freq = 5240, .hw_value = 36 }, 105 { .center_freq = 5260, .hw_value = 37 }, 106 { .center_freq = 5280, .hw_value = 38 }, 107 { .center_freq = 5300, .hw_value = 39 }, 108 { .center_freq = 5320, .hw_value = 40 }, 109 { .center_freq = 5500, .hw_value = 41 }, 110 { .center_freq = 5520, .hw_value = 42 }, 111 { .center_freq = 5540, .hw_value = 43 }, 112 { .center_freq = 5560, .hw_value = 44 }, 113 { .center_freq = 5580, .hw_value = 45 }, 114 { .center_freq = 5600, .hw_value = 46 }, 115 { .center_freq = 5620, .hw_value = 47 }, 116 { .center_freq = 5640, .hw_value = 48 }, 117 { .center_freq = 5660, .hw_value = 49 }, 118 { .center_freq = 5680, .hw_value = 50 }, 119 { .center_freq = 5700, .hw_value = 51 }, 120 { .center_freq = 5745, .hw_value = 52 }, 121 { .center_freq = 5765, .hw_value = 53 }, 122 { .center_freq = 5785, .hw_value = 54 }, 123 { .center_freq = 5805, .hw_value = 55 }, 124 { .center_freq = 5825, .hw_value = 56 } 125 }; 126 127 static struct ieee80211_supported_band vnt_supported_2ghz_band = { 128 .channels = vnt_channels_2ghz, 129 .n_channels = ARRAY_SIZE(vnt_channels_2ghz), 130 .bitrates = vnt_rates_bg, 131 .n_bitrates = ARRAY_SIZE(vnt_rates_bg), 132 }; 133 134 static struct ieee80211_supported_band vnt_supported_5ghz_band = { 135 .channels = vnt_channels_5ghz, 136 .n_channels = ARRAY_SIZE(vnt_channels_5ghz), 137 .bitrates = vnt_rates_a, 138 .n_bitrates = ARRAY_SIZE(vnt_rates_a), 139 }; 140 141 void vnt_init_bands(struct vnt_private *priv) 142 { 143 struct ieee80211_channel *ch; 144 int i; 145 146 switch (priv->rf_type) { 147 case RF_AIROHA7230: 148 case RF_VT3342A0: 149 default: 150 ch = vnt_channels_5ghz; 151 152 for (i = 0; i < ARRAY_SIZE(vnt_channels_5ghz); i++) { 153 ch[i].max_power = VNT_RF_MAX_POWER; 154 ch[i].flags = IEEE80211_CHAN_NO_HT40; 155 } 156 157 priv->hw->wiphy->bands[NL80211_BAND_5GHZ] = 158 &vnt_supported_5ghz_band; 159 /* fallthrough */ 160 case RF_AL2230: 161 case RF_AL2230S: 162 case RF_VT3226: 163 case RF_VT3226D0: 164 ch = vnt_channels_2ghz; 165 166 for (i = 0; i < ARRAY_SIZE(vnt_channels_2ghz); i++) { 167 ch[i].max_power = VNT_RF_MAX_POWER; 168 ch[i].flags = IEEE80211_CHAN_NO_HT40; 169 } 170 171 priv->hw->wiphy->bands[NL80211_BAND_2GHZ] = 172 &vnt_supported_2ghz_band; 173 break; 174 } 175 } 176