drivers/staging/vt6656/channel.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
 * All rights reserved.
 *
 * Purpose: Channel number mapping
 *
 * Author: Lucas Lin
 *
 * Date: Dec 24, 2004
 *
 *
 *
 * Revision History:
 *	01-18-2005	RobertYu:	remove the for loop searching in
 *					ChannelValid, change ChannelRuleTab
 *					to lookup-type, reorder table items.
 *
 *
 */

#include "device.h"
#include "channel.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),
};

void vnt_init_bands(struct vnt_private *priv)
{
	struct ieee80211_channel *ch;
	int i;

	ch = vnt_channels_2ghz;
	for (i = 0; i < ARRAY_SIZE(vnt_channels_2ghz); i++) {
		ch[i].max_power = VNT_RF_MAX_POWER;
		ch[i].flags = IEEE80211_CHAN_NO_HT40;
	}
	priv->hw->wiphy->bands[NL80211_BAND_2GHZ] =
					&vnt_supported_2ghz_band;
}