drivers/staging/vt6656/channel.c

   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
 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 }