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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
* All rights reserved.
*
*/
#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_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_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 void vnt_init_band(struct vnt_private *priv,
struct ieee80211_supported_band *supported_band,
enum nl80211_band band)
{
int i;
for (i = 0; i < supported_band->n_channels; i++) {
supported_band->channels[i].max_power = 0x3f;
supported_band->channels[i].flags =
IEEE80211_CHAN_NO_HT40;
}
priv->hw->wiphy->bands[band] = supported_band;
}
void vnt_init_bands(struct vnt_private *priv)
{
vnt_init_band(priv, &vnt_supported_2ghz_band, NL80211_BAND_2GHZ);
}
/**
* set_channel() - Set NIC media channel
*
* @priv: The adapter to be set
* @ch: 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->current_ch == ch->hw_value)
return ret;
/* Set VGA to max sensitivity */
if (priv->update_bbvga &&
priv->bbvga_current != priv->bbvga[0]) {
priv->bbvga_current = priv->bbvga[0];
bb_set_vga_gain_offset(priv, priv->bbvga_current);
}
/* clear NAV */
vt6655_mac_reg_bits_on(priv->port_offset, MAC_REG_MACCR, MACCR_CLRNAV);
/* TX_PE will reserve 3 us for MAX2829 A mode only,
* it is for better TX throughput
*/
priv->current_ch = ch->hw_value;
ret &= RFbSelectChannel(priv, priv->rf_type,
ch->hw_value);
/* Init Synthesizer Table */
if (priv->bEnablePSMode)
rf_write_wake_prog_syn(priv, priv->rf_type, ch->hw_value);
bb_software_reset(priv);
if (priv->local_id > REV_ID_VT3253_B1) {
unsigned long flags;
spin_lock_irqsave(&priv->lock, flags);
/* set HW default power register */
VT6655_MAC_SELECT_PAGE1(priv->port_offset);
RFbSetPower(priv, RATE_1M, priv->current_ch);
iowrite8(priv->cur_pwr, priv->port_offset + MAC_REG_PWRCCK);
RFbSetPower(priv, RATE_6M, priv->current_ch);
iowrite8(priv->cur_pwr, priv->port_offset + MAC_REG_PWROFDM);
VT6655_MAC_SELECT_PAGE0(priv->port_offset);
spin_unlock_irqrestore(&priv->lock, flags);
}
if (priv->byBBType == BB_TYPE_11B)
RFbSetPower(priv, RATE_1M, priv->current_ch);
else
RFbSetPower(priv, RATE_6M, priv->current_ch);
return ret;
}