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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
* All rights reserved.
*
* File: channel.c
*
*/
#include "baseband.h"
#include "channel.h"
#include "device.h"
#include "rf.h"
static struct ieee80211_rate vnt_rates_bg[] = {
{ .bitrate = 10, .hw_value = RATE_1M },
{ .bitrate = 20, .hw_value = RATE_2M },
{ .bitrate = 55, .hw_value = RATE_5M },
{ .bitrate = 110, .hw_value = RATE_11M },
{ .bitrate = 60, .hw_value = RATE_6M },
{ .bitrate = 90, .hw_value = RATE_9M },
{ .bitrate = 120, .hw_value = RATE_12M },
{ .bitrate = 180, .hw_value = RATE_18M },
{ .bitrate = 240, .hw_value = RATE_24M },
{ .bitrate = 360, .hw_value = RATE_36M },
{ .bitrate = 480, .hw_value = RATE_48M },
{ .bitrate = 540, .hw_value = RATE_54M },
};
static struct ieee80211_rate vnt_rates_a[] = {
{ .bitrate = 60, .hw_value = RATE_6M },
{ .bitrate = 90, .hw_value = RATE_9M },
{ .bitrate = 120, .hw_value = RATE_12M },
{ .bitrate = 180, .hw_value = RATE_18M },
{ .bitrate = 240, .hw_value = RATE_24M },
{ .bitrate = 360, .hw_value = RATE_36M },
{ .bitrate = 480, .hw_value = RATE_48M },
{ .bitrate = 540, .hw_value = RATE_54M },
};
static struct ieee80211_channel vnt_channels_2ghz[] = {
{ .center_freq = 2412, .hw_value = 1 },
{ .center_freq = 2417, .hw_value = 2 },
{ .center_freq = 2422, .hw_value = 3 },
{ .center_freq = 2427, .hw_value = 4 },
{ .center_freq = 2432, .hw_value = 5 },
{ .center_freq = 2437, .hw_value = 6 },
{ .center_freq = 2442, .hw_value = 7 },
{ .center_freq = 2447, .hw_value = 8 },
{ .center_freq = 2452, .hw_value = 9 },
{ .center_freq = 2457, .hw_value = 10 },
{ .center_freq = 2462, .hw_value = 11 },
{ .center_freq = 2467, .hw_value = 12 },
{ .center_freq = 2472, .hw_value = 13 },
{ .center_freq = 2484, .hw_value = 14 }
};
static struct ieee80211_channel vnt_channels_5ghz[] = {
{ .center_freq = 4915, .hw_value = 15 },
{ .center_freq = 4920, .hw_value = 16 },
{ .center_freq = 4925, .hw_value = 17 },
{ .center_freq = 4935, .hw_value = 18 },
{ .center_freq = 4940, .hw_value = 19 },
{ .center_freq = 4945, .hw_value = 20 },
{ .center_freq = 4960, .hw_value = 21 },
{ .center_freq = 4980, .hw_value = 22 },
{ .center_freq = 5035, .hw_value = 23 },
{ .center_freq = 5040, .hw_value = 24 },
{ .center_freq = 5045, .hw_value = 25 },
{ .center_freq = 5055, .hw_value = 26 },
{ .center_freq = 5060, .hw_value = 27 },
{ .center_freq = 5080, .hw_value = 28 },
{ .center_freq = 5170, .hw_value = 29 },
{ .center_freq = 5180, .hw_value = 30 },
{ .center_freq = 5190, .hw_value = 31 },
{ .center_freq = 5200, .hw_value = 32 },
{ .center_freq = 5210, .hw_value = 33 },
{ .center_freq = 5220, .hw_value = 34 },
{ .center_freq = 5230, .hw_value = 35 },
{ .center_freq = 5240, .hw_value = 36 },
{ .center_freq = 5260, .hw_value = 37 },
{ .center_freq = 5280, .hw_value = 38 },
{ .center_freq = 5300, .hw_value = 39 },
{ .center_freq = 5320, .hw_value = 40 },
{ .center_freq = 5500, .hw_value = 41 },
{ .center_freq = 5520, .hw_value = 42 },
{ .center_freq = 5540, .hw_value = 43 },
{ .center_freq = 5560, .hw_value = 44 },
{ .center_freq = 5580, .hw_value = 45 },
{ .center_freq = 5600, .hw_value = 46 },
{ .center_freq = 5620, .hw_value = 47 },
{ .center_freq = 5640, .hw_value = 48 },
{ .center_freq = 5660, .hw_value = 49 },
{ .center_freq = 5680, .hw_value = 50 },
{ .center_freq = 5700, .hw_value = 51 },
{ .center_freq = 5745, .hw_value = 52 },
{ .center_freq = 5765, .hw_value = 53 },
{ .center_freq = 5785, .hw_value = 54 },
{ .center_freq = 5805, .hw_value = 55 },
{ .center_freq = 5825, .hw_value = 56 }
};
static struct ieee80211_supported_band vnt_supported_2ghz_band = {
.channels = vnt_channels_2ghz,
.n_channels = ARRAY_SIZE(vnt_channels_2ghz),
.bitrates = vnt_rates_bg,
.n_bitrates = ARRAY_SIZE(vnt_rates_bg),
};
static struct ieee80211_supported_band vnt_supported_5ghz_band = {
.channels = vnt_channels_5ghz,
.n_channels = ARRAY_SIZE(vnt_channels_5ghz),
.bitrates = vnt_rates_a,
.n_bitrates = ARRAY_SIZE(vnt_rates_a),
};
void vnt_init_bands(struct vnt_private *priv)
{
struct ieee80211_channel *ch;
int i;
switch (priv->byRFType) {
case RF_AIROHA7230:
case RF_UW2452:
case RF_NOTHING:
default:
ch = vnt_channels_5ghz;
for (i = 0; i < ARRAY_SIZE(vnt_channels_5ghz); i++) {
ch[i].max_power = 0x3f;
ch[i].flags = IEEE80211_CHAN_NO_HT40;
}
priv->hw->wiphy->bands[NL80211_BAND_5GHZ] =
&vnt_supported_5ghz_band;
/* fallthrough */
case RF_RFMD2959:
case RF_AIROHA:
case RF_AL2230S:
case RF_UW2451:
case RF_VT3226:
ch = vnt_channels_2ghz;
for (i = 0; i < ARRAY_SIZE(vnt_channels_2ghz); i++) {
ch[i].max_power = 0x3f;
ch[i].flags = IEEE80211_CHAN_NO_HT40;
}
priv->hw->wiphy->bands[NL80211_BAND_2GHZ] =
&vnt_supported_2ghz_band;
break;
}
}
/**
* set_channel() - Set NIC media channel
*
* @pDeviceHandler: The adapter to be set
* @uConnectionChannel: Channel to be set
*
* Return Value: true if succeeded; false if failed.
*
*/
bool set_channel(struct vnt_private *priv, struct ieee80211_channel *ch)
{
bool ret = true;
if (priv->byCurrentCh == ch->hw_value)
return ret;
/* Set VGA to max sensitivity */
if (priv->bUpdateBBVGA &&
priv->byBBVGACurrent != priv->abyBBVGA[0]) {
priv->byBBVGACurrent = priv->abyBBVGA[0];
bb_set_vga_gain_offset(priv, priv->byBBVGACurrent);
}
/* clear NAV */
MACvRegBitsOn(priv->PortOffset, MAC_REG_MACCR, MACCR_CLRNAV);
/* TX_PE will reserve 3 us for MAX2829 A mode only,
* it is for better TX throughput
*/
if (priv->byRFType == RF_AIROHA7230)
RFbAL7230SelectChannelPostProcess(priv, priv->byCurrentCh,
ch->hw_value);
priv->byCurrentCh = ch->hw_value;
ret &= RFbSelectChannel(priv, priv->byRFType,
ch->hw_value);
/* Init Synthesizer Table */
if (priv->bEnablePSMode)
RFvWriteWakeProgSyn(priv, priv->byRFType, ch->hw_value);
bb_software_reset(priv);
if (priv->byLocalID > REV_ID_VT3253_B1) {
unsigned long flags;
spin_lock_irqsave(&priv->lock, flags);
/* set HW default power register */
MACvSelectPage1(priv->PortOffset);
RFbSetPower(priv, RATE_1M, priv->byCurrentCh);
VNSvOutPortB(priv->PortOffset + MAC_REG_PWRCCK,
priv->byCurPwr);
RFbSetPower(priv, RATE_6M, priv->byCurrentCh);
VNSvOutPortB(priv->PortOffset + MAC_REG_PWROFDM,
priv->byCurPwr);
MACvSelectPage0(priv->PortOffset);
spin_unlock_irqrestore(&priv->lock, flags);
}
if (priv->byBBType == BB_TYPE_11B)
RFbSetPower(priv, RATE_1M, priv->byCurrentCh);
else
RFbSetPower(priv, RATE_6M, priv->byCurrentCh);
return ret;
}
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