LXR linux/drivers/staging/vt6655/channel.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
   4 * All rights reserved.
   5 *
   6 * File: channel.c
   7 *
   8 */
   9
  10#include "baseband.h"
  11#include "channel.h"
  12#include "device.h"
  13#include "rf.h"
  14
  15static struct ieee80211_rate vnt_rates_bg[] = {
  16        { .bitrate = 10,  .hw_value = RATE_1M },
  17        { .bitrate = 20,  .hw_value = RATE_2M },
  18        { .bitrate = 55,  .hw_value = RATE_5M },
  19        { .bitrate = 110, .hw_value = RATE_11M },
  20        { .bitrate = 60,  .hw_value = RATE_6M },
  21        { .bitrate = 90,  .hw_value = RATE_9M },
  22        { .bitrate = 120, .hw_value = RATE_12M },
  23        { .bitrate = 180, .hw_value = RATE_18M },
  24        { .bitrate = 240, .hw_value = RATE_24M },
  25        { .bitrate = 360, .hw_value = RATE_36M },
  26        { .bitrate = 480, .hw_value = RATE_48M },
  27        { .bitrate = 540, .hw_value = RATE_54M },
  28};
  29
  30static struct ieee80211_rate vnt_rates_a[] = {
  31        { .bitrate = 60,  .hw_value = RATE_6M },
  32        { .bitrate = 90,  .hw_value = RATE_9M },
  33        { .bitrate = 120, .hw_value = RATE_12M },
  34        { .bitrate = 180, .hw_value = RATE_18M },
  35        { .bitrate = 240, .hw_value = RATE_24M },
  36        { .bitrate = 360, .hw_value = RATE_36M },
  37        { .bitrate = 480, .hw_value = RATE_48M },
  38        { .bitrate = 540, .hw_value = RATE_54M },
  39};
  40
  41static struct ieee80211_channel vnt_channels_2ghz[] = {
  42        { .center_freq = 2412, .hw_value = 1 },
  43        { .center_freq = 2417, .hw_value = 2 },
  44        { .center_freq = 2422, .hw_value = 3 },
  45        { .center_freq = 2427, .hw_value = 4 },
  46        { .center_freq = 2432, .hw_value = 5 },
  47        { .center_freq = 2437, .hw_value = 6 },
  48        { .center_freq = 2442, .hw_value = 7 },
  49        { .center_freq = 2447, .hw_value = 8 },
  50        { .center_freq = 2452, .hw_value = 9 },
  51        { .center_freq = 2457, .hw_value = 10 },
  52        { .center_freq = 2462, .hw_value = 11 },
  53        { .center_freq = 2467, .hw_value = 12 },
  54        { .center_freq = 2472, .hw_value = 13 },
  55        { .center_freq = 2484, .hw_value = 14 }
  56};
  57
  58static struct ieee80211_channel vnt_channels_5ghz[] = {
  59        { .center_freq = 4915, .hw_value = 15 },
  60        { .center_freq = 4920, .hw_value = 16 },
  61        { .center_freq = 4925, .hw_value = 17 },
  62        { .center_freq = 4935, .hw_value = 18 },
  63        { .center_freq = 4940, .hw_value = 19 },
  64        { .center_freq = 4945, .hw_value = 20 },
  65        { .center_freq = 4960, .hw_value = 21 },
  66        { .center_freq = 4980, .hw_value = 22 },
  67        { .center_freq = 5035, .hw_value = 23 },
  68        { .center_freq = 5040, .hw_value = 24 },
  69        { .center_freq = 5045, .hw_value = 25 },
  70        { .center_freq = 5055, .hw_value = 26 },
  71        { .center_freq = 5060, .hw_value = 27 },
  72        { .center_freq = 5080, .hw_value = 28 },
  73        { .center_freq = 5170, .hw_value = 29 },
  74        { .center_freq = 5180, .hw_value = 30 },
  75        { .center_freq = 5190, .hw_value = 31 },
  76        { .center_freq = 5200, .hw_value = 32 },
  77        { .center_freq = 5210, .hw_value = 33 },
  78        { .center_freq = 5220, .hw_value = 34 },
  79        { .center_freq = 5230, .hw_value = 35 },
  80        { .center_freq = 5240, .hw_value = 36 },
  81        { .center_freq = 5260, .hw_value = 37 },
  82        { .center_freq = 5280, .hw_value = 38 },
  83        { .center_freq = 5300, .hw_value = 39 },
  84        { .center_freq = 5320, .hw_value = 40 },
  85        { .center_freq = 5500, .hw_value = 41 },
  86        { .center_freq = 5520, .hw_value = 42 },
  87        { .center_freq = 5540, .hw_value = 43 },
  88        { .center_freq = 5560, .hw_value = 44 },
  89        { .center_freq = 5580, .hw_value = 45 },
  90        { .center_freq = 5600, .hw_value = 46 },
  91        { .center_freq = 5620, .hw_value = 47 },
  92        { .center_freq = 5640, .hw_value = 48 },
  93        { .center_freq = 5660, .hw_value = 49 },
  94        { .center_freq = 5680, .hw_value = 50 },
  95        { .center_freq = 5700, .hw_value = 51 },
  96        { .center_freq = 5745, .hw_value = 52 },
  97        { .center_freq = 5765, .hw_value = 53 },
  98        { .center_freq = 5785, .hw_value = 54 },
  99        { .center_freq = 5805, .hw_value = 55 },
 100        { .center_freq = 5825, .hw_value = 56 }
 101};
 102
 103static struct ieee80211_supported_band vnt_supported_2ghz_band = {
 104        .channels = vnt_channels_2ghz,
 105        .n_channels = ARRAY_SIZE(vnt_channels_2ghz),
 106        .bitrates = vnt_rates_bg,
 107        .n_bitrates = ARRAY_SIZE(vnt_rates_bg),
 108};
 109
 110static struct ieee80211_supported_band vnt_supported_5ghz_band = {
 111        .channels = vnt_channels_5ghz,
 112        .n_channels = ARRAY_SIZE(vnt_channels_5ghz),
 113        .bitrates = vnt_rates_a,
 114        .n_bitrates = ARRAY_SIZE(vnt_rates_a),
 115};
 116
 117static void vnt_init_band(struct vnt_private *priv,
 118                          struct ieee80211_supported_band *supported_band,
 119                          enum nl80211_band band)
 120{
 121        int i;
 122
 123        for (i = 0; i < supported_band->n_channels; i++) {
 124                supported_band->channels[i].max_power = 0x3f;
 125                supported_band->channels[i].flags =
 126                        IEEE80211_CHAN_NO_HT40;
 127        }
 128
 129        priv->hw->wiphy->bands[band] = supported_band;
 130}
 131
 132void vnt_init_bands(struct vnt_private *priv)
 133{
 134        switch (priv->byRFType) {
 135        case RF_AIROHA7230:
 136        case RF_UW2452:
 137        case RF_NOTHING:
 138        default:
 139                vnt_init_band(priv, &vnt_supported_5ghz_band,
 140                              NL80211_BAND_5GHZ);
 141                fallthrough;
 142        case RF_RFMD2959:
 143        case RF_AIROHA:
 144        case RF_AL2230S:
 145        case RF_UW2451:
 146        case RF_VT3226:
 147                vnt_init_band(priv, &vnt_supported_2ghz_band,
 148                              NL80211_BAND_2GHZ);
 149                break;
 150        }
 151}
 152
 153/**
 154 * set_channel() - Set NIC media channel
 155 *
 156 * @priv: The adapter to be set
 157 * @ch: Channel to be set
 158 *
 159 * Return Value: true if succeeded; false if failed.
 160 *
 161 */
 162bool set_channel(struct vnt_private *priv, struct ieee80211_channel *ch)
 163{
 164        bool ret = true;
 165
 166        if (priv->byCurrentCh == ch->hw_value)
 167                return ret;
 168
 169        /* Set VGA to max sensitivity */
 170        if (priv->bUpdateBBVGA &&
 171            priv->byBBVGACurrent != priv->abyBBVGA[0]) {
 172                priv->byBBVGACurrent = priv->abyBBVGA[0];
 173
 174                bb_set_vga_gain_offset(priv, priv->byBBVGACurrent);
 175        }
 176
 177        /* clear NAV */
 178        MACvRegBitsOn(priv->PortOffset, MAC_REG_MACCR, MACCR_CLRNAV);
 179
 180        /* TX_PE will reserve 3 us for MAX2829 A mode only,
 181         * it is for better TX throughput
 182         */
 183
 184        if (priv->byRFType == RF_AIROHA7230)
 185                RFbAL7230SelectChannelPostProcess(priv, priv->byCurrentCh,
 186                                                  ch->hw_value);
 187
 188        priv->byCurrentCh = ch->hw_value;
 189        ret &= RFbSelectChannel(priv, priv->byRFType,
 190                                ch->hw_value);
 191
 192        /* Init Synthesizer Table */
 193        if (priv->bEnablePSMode)
 194                RFvWriteWakeProgSyn(priv, priv->byRFType, ch->hw_value);
 195
 196        bb_software_reset(priv);
 197
 198        if (priv->byLocalID > REV_ID_VT3253_B1) {
 199                unsigned long flags;
 200
 201                spin_lock_irqsave(&priv->lock, flags);
 202
 203                /* set HW default power register */
 204                MACvSelectPage1(priv->PortOffset);
 205                RFbSetPower(priv, RATE_1M, priv->byCurrentCh);
 206                VNSvOutPortB(priv->PortOffset + MAC_REG_PWRCCK,
 207                             priv->byCurPwr);
 208                RFbSetPower(priv, RATE_6M, priv->byCurrentCh);
 209                VNSvOutPortB(priv->PortOffset + MAC_REG_PWROFDM,
 210                             priv->byCurPwr);
 211                MACvSelectPage0(priv->PortOffset);
 212
 213                spin_unlock_irqrestore(&priv->lock, flags);
 214        }
 215
 216        if (priv->byBBType == BB_TYPE_11B)
 217                RFbSetPower(priv, RATE_1M, priv->byCurrentCh);
 218        else
 219                RFbSetPower(priv, RATE_6M, priv->byCurrentCh);
 220
 221        return ret;
 222}
 223