xref: /linux/drivers/staging/vt6656/channel.c (revision 0be3ff0c)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
4  * All rights reserved.
5  *
6  * Purpose: Channel number mapping
7  *
8  * Author: Lucas Lin
9  *
10  * Date: Dec 24, 2004
11  *
12  *
13  *
14  * Revision History:
15  *	01-18-2005	RobertYu:	remove the for loop searching in
16  *					ChannelValid, change ChannelRuleTab
17  *					to lookup-type, reorder table items.
18  *
19  *
20  */
21 
22 #include "device.h"
23 #include "channel.h"
24 #include "rf.h"
25 
26 static struct ieee80211_rate vnt_rates_bg[] = {
27 	{ .bitrate = 10,  .hw_value = RATE_1M },
28 	{ .bitrate = 20,  .hw_value = RATE_2M },
29 	{ .bitrate = 55,  .hw_value = RATE_5M },
30 	{ .bitrate = 110, .hw_value = RATE_11M },
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 
41 static 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 
58 
59 static struct ieee80211_supported_band vnt_supported_2ghz_band = {
60 	.channels = vnt_channels_2ghz,
61 	.n_channels = ARRAY_SIZE(vnt_channels_2ghz),
62 	.bitrates = vnt_rates_bg,
63 	.n_bitrates = ARRAY_SIZE(vnt_rates_bg),
64 };
65 
66 void vnt_init_bands(struct vnt_private *priv)
67 {
68 	struct ieee80211_channel *ch;
69 	int i;
70 
71 	ch = vnt_channels_2ghz;
72 	for (i = 0; i < ARRAY_SIZE(vnt_channels_2ghz); i++) {
73 		ch[i].max_power = VNT_RF_MAX_POWER;
74 		ch[i].flags = IEEE80211_CHAN_NO_HT40;
75 	}
76 	priv->hw->wiphy->bands[NL80211_BAND_2GHZ] =
77 					&vnt_supported_2ghz_band;
78 }
79