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 * File: channel.c 16 * 17 */ 18 19 #include "baseband.h" 20 #include "channel.h" 21 #include "device.h" 22 #include "rf.h" 23 24 static struct ieee80211_rate vnt_rates_bg[] = { 25 { .bitrate = 10, .hw_value = RATE_1M }, 26 { .bitrate = 20, .hw_value = RATE_2M }, 27 { .bitrate = 55, .hw_value = RATE_5M }, 28 { .bitrate = 110, .hw_value = RATE_11M }, 29 { .bitrate = 60, .hw_value = RATE_6M }, 30 { .bitrate = 90, .hw_value = RATE_9M }, 31 { .bitrate = 120, .hw_value = RATE_12M }, 32 { .bitrate = 180, .hw_value = RATE_18M }, 33 { .bitrate = 240, .hw_value = RATE_24M }, 34 { .bitrate = 360, .hw_value = RATE_36M }, 35 { .bitrate = 480, .hw_value = RATE_48M }, 36 { .bitrate = 540, .hw_value = RATE_54M }, 37 }; 38 39 static struct ieee80211_rate vnt_rates_a[] = { 40 { .bitrate = 60, .hw_value = RATE_6M }, 41 { .bitrate = 90, .hw_value = RATE_9M }, 42 { .bitrate = 120, .hw_value = RATE_12M }, 43 { .bitrate = 180, .hw_value = RATE_18M }, 44 { .bitrate = 240, .hw_value = RATE_24M }, 45 { .bitrate = 360, .hw_value = RATE_36M }, 46 { .bitrate = 480, .hw_value = RATE_48M }, 47 { .bitrate = 540, .hw_value = RATE_54M }, 48 }; 49 50 static struct ieee80211_channel vnt_channels_2ghz[] = { 51 { .center_freq = 2412, .hw_value = 1 }, 52 { .center_freq = 2417, .hw_value = 2 }, 53 { .center_freq = 2422, .hw_value = 3 }, 54 { .center_freq = 2427, .hw_value = 4 }, 55 { .center_freq = 2432, .hw_value = 5 }, 56 { .center_freq = 2437, .hw_value = 6 }, 57 { .center_freq = 2442, .hw_value = 7 }, 58 { .center_freq = 2447, .hw_value = 8 }, 59 { .center_freq = 2452, .hw_value = 9 }, 60 { .center_freq = 2457, .hw_value = 10 }, 61 { .center_freq = 2462, .hw_value = 11 }, 62 { .center_freq = 2467, .hw_value = 12 }, 63 { .center_freq = 2472, .hw_value = 13 }, 64 { .center_freq = 2484, .hw_value = 14 } 65 }; 66 67 static struct ieee80211_channel vnt_channels_5ghz[] = { 68 { .center_freq = 4915, .hw_value = 15 }, 69 { .center_freq = 4920, .hw_value = 16 }, 70 { .center_freq = 4925, .hw_value = 17 }, 71 { .center_freq = 4935, .hw_value = 18 }, 72 { .center_freq = 4940, .hw_value = 19 }, 73 { .center_freq = 4945, .hw_value = 20 }, 74 { .center_freq = 4960, .hw_value = 21 }, 75 { .center_freq = 4980, .hw_value = 22 }, 76 { .center_freq = 5035, .hw_value = 23 }, 77 { .center_freq = 5040, .hw_value = 24 }, 78 { .center_freq = 5045, .hw_value = 25 }, 79 { .center_freq = 5055, .hw_value = 26 }, 80 { .center_freq = 5060, .hw_value = 27 }, 81 { .center_freq = 5080, .hw_value = 28 }, 82 { .center_freq = 5170, .hw_value = 29 }, 83 { .center_freq = 5180, .hw_value = 30 }, 84 { .center_freq = 5190, .hw_value = 31 }, 85 { .center_freq = 5200, .hw_value = 32 }, 86 { .center_freq = 5210, .hw_value = 33 }, 87 { .center_freq = 5220, .hw_value = 34 }, 88 { .center_freq = 5230, .hw_value = 35 }, 89 { .center_freq = 5240, .hw_value = 36 }, 90 { .center_freq = 5260, .hw_value = 37 }, 91 { .center_freq = 5280, .hw_value = 38 }, 92 { .center_freq = 5300, .hw_value = 39 }, 93 { .center_freq = 5320, .hw_value = 40 }, 94 { .center_freq = 5500, .hw_value = 41 }, 95 { .center_freq = 5520, .hw_value = 42 }, 96 { .center_freq = 5540, .hw_value = 43 }, 97 { .center_freq = 5560, .hw_value = 44 }, 98 { .center_freq = 5580, .hw_value = 45 }, 99 { .center_freq = 5600, .hw_value = 46 }, 100 { .center_freq = 5620, .hw_value = 47 }, 101 { .center_freq = 5640, .hw_value = 48 }, 102 { .center_freq = 5660, .hw_value = 49 }, 103 { .center_freq = 5680, .hw_value = 50 }, 104 { .center_freq = 5700, .hw_value = 51 }, 105 { .center_freq = 5745, .hw_value = 52 }, 106 { .center_freq = 5765, .hw_value = 53 }, 107 { .center_freq = 5785, .hw_value = 54 }, 108 { .center_freq = 5805, .hw_value = 55 }, 109 { .center_freq = 5825, .hw_value = 56 } 110 }; 111 112 static struct ieee80211_supported_band vnt_supported_2ghz_band = { 113 .channels = vnt_channels_2ghz, 114 .n_channels = ARRAY_SIZE(vnt_channels_2ghz), 115 .bitrates = vnt_rates_bg, 116 .n_bitrates = ARRAY_SIZE(vnt_rates_bg), 117 }; 118 119 static struct ieee80211_supported_band vnt_supported_5ghz_band = { 120 .channels = vnt_channels_5ghz, 121 .n_channels = ARRAY_SIZE(vnt_channels_5ghz), 122 .bitrates = vnt_rates_a, 123 .n_bitrates = ARRAY_SIZE(vnt_rates_a), 124 }; 125 126 void vnt_init_bands(struct vnt_private *priv) 127 { 128 struct ieee80211_channel *ch; 129 int i; 130 131 switch (priv->byRFType) { 132 case RF_AIROHA7230: 133 case RF_UW2452: 134 case RF_NOTHING: 135 default: 136 ch = vnt_channels_5ghz; 137 138 for (i = 0; i < ARRAY_SIZE(vnt_channels_5ghz); i++) { 139 ch[i].max_power = 0x3f; 140 ch[i].flags = IEEE80211_CHAN_NO_HT40; 141 } 142 143 priv->hw->wiphy->bands[NL80211_BAND_5GHZ] = 144 &vnt_supported_5ghz_band; 145 /* fallthrough */ 146 case RF_RFMD2959: 147 case RF_AIROHA: 148 case RF_AL2230S: 149 case RF_UW2451: 150 case RF_VT3226: 151 ch = vnt_channels_2ghz; 152 153 for (i = 0; i < ARRAY_SIZE(vnt_channels_2ghz); i++) { 154 ch[i].max_power = 0x3f; 155 ch[i].flags = IEEE80211_CHAN_NO_HT40; 156 } 157 158 priv->hw->wiphy->bands[NL80211_BAND_2GHZ] = 159 &vnt_supported_2ghz_band; 160 break; 161 } 162 } 163 164 /** 165 * set_channel() - Set NIC media channel 166 * 167 * @pDeviceHandler: The adapter to be set 168 * @uConnectionChannel: Channel to be set 169 * 170 * Return Value: true if succeeded; false if failed. 171 * 172 */ 173 bool set_channel(struct vnt_private *priv, struct ieee80211_channel *ch) 174 { 175 bool ret = true; 176 177 if (priv->byCurrentCh == ch->hw_value) 178 return ret; 179 180 /* Set VGA to max sensitivity */ 181 if (priv->bUpdateBBVGA && 182 priv->byBBVGACurrent != priv->abyBBVGA[0]) { 183 priv->byBBVGACurrent = priv->abyBBVGA[0]; 184 185 BBvSetVGAGainOffset(priv, priv->byBBVGACurrent); 186 } 187 188 /* clear NAV */ 189 MACvRegBitsOn(priv->PortOffset, MAC_REG_MACCR, MACCR_CLRNAV); 190 191 /* TX_PE will reserve 3 us for MAX2829 A mode only, 192 * it is for better TX throughput 193 */ 194 195 if (priv->byRFType == RF_AIROHA7230) 196 RFbAL7230SelectChannelPostProcess(priv, priv->byCurrentCh, 197 ch->hw_value); 198 199 priv->byCurrentCh = ch->hw_value; 200 ret &= RFbSelectChannel(priv, priv->byRFType, 201 ch->hw_value); 202 203 /* Init Synthesizer Table */ 204 if (priv->bEnablePSMode) 205 RFvWriteWakeProgSyn(priv, priv->byRFType, ch->hw_value); 206 207 BBvSoftwareReset(priv); 208 209 if (priv->byLocalID > REV_ID_VT3253_B1) { 210 unsigned long flags; 211 212 spin_lock_irqsave(&priv->lock, flags); 213 214 /* set HW default power register */ 215 MACvSelectPage1(priv->PortOffset); 216 RFbSetPower(priv, RATE_1M, priv->byCurrentCh); 217 VNSvOutPortB(priv->PortOffset + MAC_REG_PWRCCK, 218 priv->byCurPwr); 219 RFbSetPower(priv, RATE_6M, priv->byCurrentCh); 220 VNSvOutPortB(priv->PortOffset + MAC_REG_PWROFDM, 221 priv->byCurPwr); 222 MACvSelectPage0(priv->PortOffset); 223 224 spin_unlock_irqrestore(&priv->lock, flags); 225 } 226 227 if (priv->byBBType == BB_TYPE_11B) 228 RFbSetPower(priv, RATE_1M, priv->byCurrentCh); 229 else 230 RFbSetPower(priv, RATE_6M, priv->byCurrentCh); 231 232 return ret; 233 } 234