LXR linux/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 *
  16 * File: channel.c
  17 *
  18 * Purpose: Channel number mapping
  19 *
  20 * Author: Lucas Lin
  21 *
  22 * Date: Dec 24, 2004
  23 *
  24 *
  25 *
  26 * Revision History:
  27 *      01-18-2005      RobertYu:       remove the for loop searching in
  28 *                                      ChannelValid, change ChannelRuleTab
  29 *                                      to lookup-type, reorder table items.
  30 *
  31 *
  32 */
  33
  34#include "device.h"
  35#include "channel.h"
  36#include "rf.h"
  37
  38static struct ieee80211_rate vnt_rates_bg[] = {
  39        { .bitrate = 10,  .hw_value = RATE_1M },
  40        { .bitrate = 20,  .hw_value = RATE_2M },
  41        { .bitrate = 55,  .hw_value = RATE_5M },
  42        { .bitrate = 110, .hw_value = RATE_11M },
  43        { .bitrate = 60,  .hw_value = RATE_6M },
  44        { .bitrate = 90,  .hw_value = RATE_9M },
  45        { .bitrate = 120, .hw_value = RATE_12M },
  46        { .bitrate = 180, .hw_value = RATE_18M },
  47        { .bitrate = 240, .hw_value = RATE_24M },
  48        { .bitrate = 360, .hw_value = RATE_36M },
  49        { .bitrate = 480, .hw_value = RATE_48M },
  50        { .bitrate = 540, .hw_value = RATE_54M },
  51};
  52
  53static struct ieee80211_rate vnt_rates_a[] = {
  54        { .bitrate = 60,  .hw_value = RATE_6M },
  55        { .bitrate = 90,  .hw_value = RATE_9M },
  56        { .bitrate = 120, .hw_value = RATE_12M },
  57        { .bitrate = 180, .hw_value = RATE_18M },
  58        { .bitrate = 240, .hw_value = RATE_24M },
  59        { .bitrate = 360, .hw_value = RATE_36M },
  60        { .bitrate = 480, .hw_value = RATE_48M },
  61        { .bitrate = 540, .hw_value = RATE_54M },
  62};
  63
  64static struct ieee80211_channel vnt_channels_2ghz[] = {
  65        { .center_freq = 2412, .hw_value = 1 },
  66        { .center_freq = 2417, .hw_value = 2 },
  67        { .center_freq = 2422, .hw_value = 3 },
  68        { .center_freq = 2427, .hw_value = 4 },
  69        { .center_freq = 2432, .hw_value = 5 },
  70        { .center_freq = 2437, .hw_value = 6 },
  71        { .center_freq = 2442, .hw_value = 7 },
  72        { .center_freq = 2447, .hw_value = 8 },
  73        { .center_freq = 2452, .hw_value = 9 },
  74        { .center_freq = 2457, .hw_value = 10 },
  75        { .center_freq = 2462, .hw_value = 11 },
  76        { .center_freq = 2467, .hw_value = 12 },
  77        { .center_freq = 2472, .hw_value = 13 },
  78        { .center_freq = 2484, .hw_value = 14 }
  79};
  80
  81static struct ieee80211_channel vnt_channels_5ghz[] = {
  82        { .center_freq = 4915, .hw_value = 15 },
  83        { .center_freq = 4920, .hw_value = 16 },
  84        { .center_freq = 4925, .hw_value = 17 },
  85        { .center_freq = 4935, .hw_value = 18 },
  86        { .center_freq = 4940, .hw_value = 19 },
  87        { .center_freq = 4945, .hw_value = 20 },
  88        { .center_freq = 4960, .hw_value = 21 },
  89        { .center_freq = 4980, .hw_value = 22 },
  90        { .center_freq = 5035, .hw_value = 23 },
  91        { .center_freq = 5040, .hw_value = 24 },
  92        { .center_freq = 5045, .hw_value = 25 },
  93        { .center_freq = 5055, .hw_value = 26 },
  94        { .center_freq = 5060, .hw_value = 27 },
  95        { .center_freq = 5080, .hw_value = 28 },
  96        { .center_freq = 5170, .hw_value = 29 },
  97        { .center_freq = 5180, .hw_value = 30 },
  98        { .center_freq = 5190, .hw_value = 31 },
  99        { .center_freq = 5200, .hw_value = 32 },
 100        { .center_freq = 5210, .hw_value = 33 },
 101        { .center_freq = 5220, .hw_value = 34 },
 102        { .center_freq = 5230, .hw_value = 35 },
 103        { .center_freq = 5240, .hw_value = 36 },
 104        { .center_freq = 5260, .hw_value = 37 },
 105        { .center_freq = 5280, .hw_value = 38 },
 106        { .center_freq = 5300, .hw_value = 39 },
 107        { .center_freq = 5320, .hw_value = 40 },
 108        { .center_freq = 5500, .hw_value = 41 },
 109        { .center_freq = 5520, .hw_value = 42 },
 110        { .center_freq = 5540, .hw_value = 43 },
 111        { .center_freq = 5560, .hw_value = 44 },
 112        { .center_freq = 5580, .hw_value = 45 },
 113        { .center_freq = 5600, .hw_value = 46 },
 114        { .center_freq = 5620, .hw_value = 47 },
 115        { .center_freq = 5640, .hw_value = 48 },
 116        { .center_freq = 5660, .hw_value = 49 },
 117        { .center_freq = 5680, .hw_value = 50 },
 118        { .center_freq = 5700, .hw_value = 51 },
 119        { .center_freq = 5745, .hw_value = 52 },
 120        { .center_freq = 5765, .hw_value = 53 },
 121        { .center_freq = 5785, .hw_value = 54 },
 122        { .center_freq = 5805, .hw_value = 55 },
 123        { .center_freq = 5825, .hw_value = 56 }
 124};
 125
 126static struct ieee80211_supported_band vnt_supported_2ghz_band = {
 127        .channels = vnt_channels_2ghz,
 128        .n_channels = ARRAY_SIZE(vnt_channels_2ghz),
 129        .bitrates = vnt_rates_bg,
 130        .n_bitrates = ARRAY_SIZE(vnt_rates_bg),
 131};
 132
 133static struct ieee80211_supported_band vnt_supported_5ghz_band = {
 134        .channels = vnt_channels_5ghz,
 135        .n_channels = ARRAY_SIZE(vnt_channels_5ghz),
 136        .bitrates = vnt_rates_a,
 137        .n_bitrates = ARRAY_SIZE(vnt_rates_a),
 138};
 139
 140void vnt_init_bands(struct vnt_private *priv)
 141{
 142        struct ieee80211_channel *ch;
 143        int i;
 144
 145        switch (priv->rf_type) {
 146        case RF_AIROHA7230:
 147        case RF_VT3342A0:
 148        default:
 149                ch = vnt_channels_5ghz;
 150
 151                for (i = 0; i < ARRAY_SIZE(vnt_channels_5ghz); i++) {
 152                        ch[i].max_power = VNT_RF_MAX_POWER;
 153                        ch[i].flags = IEEE80211_CHAN_NO_HT40;
 154                }
 155
 156                priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
 157                                                &vnt_supported_5ghz_band;
 158        /* fallthrough */
 159        case RF_AL2230:
 160        case RF_AL2230S:
 161        case RF_VT3226:
 162        case RF_VT3226D0:
 163                ch = vnt_channels_2ghz;
 164
 165                for (i = 0; i < ARRAY_SIZE(vnt_channels_2ghz); i++) {
 166                        ch[i].max_power = VNT_RF_MAX_POWER;
 167                        ch[i].flags = IEEE80211_CHAN_NO_HT40;
 168                }
 169
 170                priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
 171                                                &vnt_supported_2ghz_band;
 172                break;
 173        }
 174}
 175