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 * File: channel.c 20 * 21 */ 22 23 #include "baseband.h" 24 #include "channel.h" 25 #include "device.h" 26 #include "rf.h" 27 28 static struct ieee80211_rate vnt_rates_bg[] = { 29 { .bitrate = 10, .hw_value = RATE_1M }, 30 { .bitrate = 20, .hw_value = RATE_2M }, 31 { .bitrate = 55, .hw_value = RATE_5M }, 32 { .bitrate = 110, .hw_value = RATE_11M }, 33 { .bitrate = 60, .hw_value = RATE_6M }, 34 { .bitrate = 90, .hw_value = RATE_9M }, 35 { .bitrate = 120, .hw_value = RATE_12M }, 36 { .bitrate = 180, .hw_value = RATE_18M }, 37 { .bitrate = 240, .hw_value = RATE_24M }, 38 { .bitrate = 360, .hw_value = RATE_36M }, 39 { .bitrate = 480, .hw_value = RATE_48M }, 40 { .bitrate = 540, .hw_value = RATE_54M }, 41 }; 42 43 static struct ieee80211_rate vnt_rates_a[] = { 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_channel vnt_channels_2ghz[] = { 55 { .center_freq = 2412, .hw_value = 1 }, 56 { .center_freq = 2417, .hw_value = 2 }, 57 { .center_freq = 2422, .hw_value = 3 }, 58 { .center_freq = 2427, .hw_value = 4 }, 59 { .center_freq = 2432, .hw_value = 5 }, 60 { .center_freq = 2437, .hw_value = 6 }, 61 { .center_freq = 2442, .hw_value = 7 }, 62 { .center_freq = 2447, .hw_value = 8 }, 63 { .center_freq = 2452, .hw_value = 9 }, 64 { .center_freq = 2457, .hw_value = 10 }, 65 { .center_freq = 2462, .hw_value = 11 }, 66 { .center_freq = 2467, .hw_value = 12 }, 67 { .center_freq = 2472, .hw_value = 13 }, 68 { .center_freq = 2484, .hw_value = 14 } 69 }; 70 71 static struct ieee80211_channel vnt_channels_5ghz[] = { 72 { .center_freq = 4915, .hw_value = 15 }, 73 { .center_freq = 4920, .hw_value = 16 }, 74 { .center_freq = 4925, .hw_value = 17 }, 75 { .center_freq = 4935, .hw_value = 18 }, 76 { .center_freq = 4940, .hw_value = 19 }, 77 { .center_freq = 4945, .hw_value = 20 }, 78 { .center_freq = 4960, .hw_value = 21 }, 79 { .center_freq = 4980, .hw_value = 22 }, 80 { .center_freq = 5035, .hw_value = 23 }, 81 { .center_freq = 5040, .hw_value = 24 }, 82 { .center_freq = 5045, .hw_value = 25 }, 83 { .center_freq = 5055, .hw_value = 26 }, 84 { .center_freq = 5060, .hw_value = 27 }, 85 { .center_freq = 5080, .hw_value = 28 }, 86 { .center_freq = 5170, .hw_value = 29 }, 87 { .center_freq = 5180, .hw_value = 30 }, 88 { .center_freq = 5190, .hw_value = 31 }, 89 { .center_freq = 5200, .hw_value = 32 }, 90 { .center_freq = 5210, .hw_value = 33 }, 91 { .center_freq = 5220, .hw_value = 34 }, 92 { .center_freq = 5230, .hw_value = 35 }, 93 { .center_freq = 5240, .hw_value = 36 }, 94 { .center_freq = 5260, .hw_value = 37 }, 95 { .center_freq = 5280, .hw_value = 38 }, 96 { .center_freq = 5300, .hw_value = 39 }, 97 { .center_freq = 5320, .hw_value = 40 }, 98 { .center_freq = 5500, .hw_value = 41 }, 99 { .center_freq = 5520, .hw_value = 42 }, 100 { .center_freq = 5540, .hw_value = 43 }, 101 { .center_freq = 5560, .hw_value = 44 }, 102 { .center_freq = 5580, .hw_value = 45 }, 103 { .center_freq = 5600, .hw_value = 46 }, 104 { .center_freq = 5620, .hw_value = 47 }, 105 { .center_freq = 5640, .hw_value = 48 }, 106 { .center_freq = 5660, .hw_value = 49 }, 107 { .center_freq = 5680, .hw_value = 50 }, 108 { .center_freq = 5700, .hw_value = 51 }, 109 { .center_freq = 5745, .hw_value = 52 }, 110 { .center_freq = 5765, .hw_value = 53 }, 111 { .center_freq = 5785, .hw_value = 54 }, 112 { .center_freq = 5805, .hw_value = 55 }, 113 { .center_freq = 5825, .hw_value = 56 } 114 }; 115 116 static struct ieee80211_supported_band vnt_supported_2ghz_band = { 117 .channels = vnt_channels_2ghz, 118 .n_channels = ARRAY_SIZE(vnt_channels_2ghz), 119 .bitrates = vnt_rates_bg, 120 .n_bitrates = ARRAY_SIZE(vnt_rates_bg), 121 }; 122 123 static struct ieee80211_supported_band vnt_supported_5ghz_band = { 124 .channels = vnt_channels_5ghz, 125 .n_channels = ARRAY_SIZE(vnt_channels_5ghz), 126 .bitrates = vnt_rates_a, 127 .n_bitrates = ARRAY_SIZE(vnt_rates_a), 128 }; 129 130 void vnt_init_bands(struct vnt_private *priv) 131 { 132 struct ieee80211_channel *ch; 133 int i; 134 135 switch (priv->byRFType) { 136 case RF_AIROHA7230: 137 case RF_UW2452: 138 case RF_NOTHING: 139 default: 140 ch = vnt_channels_5ghz; 141 142 for (i = 0; i < ARRAY_SIZE(vnt_channels_5ghz); i++) { 143 ch[i].max_power = 0x3f; 144 ch[i].flags = IEEE80211_CHAN_NO_HT40; 145 } 146 147 priv->hw->wiphy->bands[NL80211_BAND_5GHZ] = 148 &vnt_supported_5ghz_band; 149 /* fallthrough */ 150 case RF_RFMD2959: 151 case RF_AIROHA: 152 case RF_AL2230S: 153 case RF_UW2451: 154 case RF_VT3226: 155 ch = vnt_channels_2ghz; 156 157 for (i = 0; i < ARRAY_SIZE(vnt_channels_2ghz); i++) { 158 ch[i].max_power = 0x3f; 159 ch[i].flags = IEEE80211_CHAN_NO_HT40; 160 } 161 162 priv->hw->wiphy->bands[NL80211_BAND_2GHZ] = 163 &vnt_supported_2ghz_band; 164 break; 165 } 166 } 167 168 /** 169 * set_channel() - Set NIC media channel 170 * 171 * @pDeviceHandler: The adapter to be set 172 * @uConnectionChannel: Channel to be set 173 * 174 * Return Value: true if succeeded; false if failed. 175 * 176 */ 177 bool set_channel(struct vnt_private *priv, struct ieee80211_channel *ch) 178 { 179 bool ret = true; 180 181 if (priv->byCurrentCh == ch->hw_value) 182 return ret; 183 184 /* Set VGA to max sensitivity */ 185 if (priv->bUpdateBBVGA && 186 priv->byBBVGACurrent != priv->abyBBVGA[0]) { 187 priv->byBBVGACurrent = priv->abyBBVGA[0]; 188 189 BBvSetVGAGainOffset(priv, priv->byBBVGACurrent); 190 } 191 192 /* clear NAV */ 193 MACvRegBitsOn(priv->PortOffset, MAC_REG_MACCR, MACCR_CLRNAV); 194 195 /* TX_PE will reserve 3 us for MAX2829 A mode only, 196 it is for better TX throughput */ 197 198 if (priv->byRFType == RF_AIROHA7230) 199 RFbAL7230SelectChannelPostProcess(priv, priv->byCurrentCh, 200 ch->hw_value); 201 202 priv->byCurrentCh = ch->hw_value; 203 ret &= RFbSelectChannel(priv, priv->byRFType, 204 ch->hw_value); 205 206 /* Init Synthesizer Table */ 207 if (priv->bEnablePSMode) 208 RFvWriteWakeProgSyn(priv, priv->byRFType, ch->hw_value); 209 210 BBvSoftwareReset(priv); 211 212 if (priv->byLocalID > REV_ID_VT3253_B1) { 213 unsigned long flags; 214 215 spin_lock_irqsave(&priv->lock, flags); 216 217 /* set HW default power register */ 218 MACvSelectPage1(priv->PortOffset); 219 RFbSetPower(priv, RATE_1M, priv->byCurrentCh); 220 VNSvOutPortB(priv->PortOffset + MAC_REG_PWRCCK, 221 priv->byCurPwr); 222 RFbSetPower(priv, RATE_6M, priv->byCurrentCh); 223 VNSvOutPortB(priv->PortOffset + MAC_REG_PWROFDM, 224 priv->byCurPwr); 225 MACvSelectPage0(priv->PortOffset); 226 227 spin_unlock_irqrestore(&priv->lock, flags); 228 } 229 230 if (priv->byBBType == BB_TYPE_11B) 231 RFbSetPower(priv, RATE_1M, priv->byCurrentCh); 232 else 233 RFbSetPower(priv, RATE_6M, priv->byCurrentCh); 234 235 return ret; 236 } 237