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 * Purpose: Channel number mapping
9 *
10 * Author: Lucas Lin
11 *
12 * Date: Dec 24, 2004
13 *
14 *
15 *
16 * Revision History:
17 * 01-18-2005 RobertYu: remove the for loop searching in
18 * ChannelValid, change ChannelRuleTab
19 * to lookup-type, reorder table items.
20 *
21 *
22 */
23
24 #include "device.h"
25 #include "channel.h"
26 #include "rf.h"
27
28 static struct ieee80211_rate vnt_rates_bg[] = {
29 { .bitrate = 10, .hw_value = RATE_1M },
30 { .bitrate = 20, .hw_value = RATE_2M },
31 { .bitrate = 55, .hw_value = RATE_5M },
32 { .bitrate = 110, .hw_value = RATE_11M },
33 { .bitrate = 60, .hw_value = RATE_6M },
34 { .bitrate = 90, .hw_value = RATE_9M },
35 { .bitrate = 120, .hw_value = RATE_12M },
36 { .bitrate = 180, .hw_value = RATE_18M },
37 { .bitrate = 240, .hw_value = RATE_24M },
38 { .bitrate = 360, .hw_value = RATE_36M },
39 { .bitrate = 480, .hw_value = RATE_48M },
40 { .bitrate = 540, .hw_value = RATE_54M },
41 };
42
43 static struct ieee80211_rate vnt_rates_a[] = {
44 { .bitrate = 60, .hw_value = RATE_6M },
45 { .bitrate = 90, .hw_value = RATE_9M },
46 { .bitrate = 120, .hw_value = RATE_12M },
47 { .bitrate = 180, .hw_value = RATE_18M },
48 { .bitrate = 240, .hw_value = RATE_24M },
49 { .bitrate = 360, .hw_value = RATE_36M },
50 { .bitrate = 480, .hw_value = RATE_48M },
51 { .bitrate = 540, .hw_value = RATE_54M },
52 };
53
54 static struct ieee80211_channel vnt_channels_2ghz[] = {
55 { .center_freq = 2412, .hw_value = 1 },
56 { .center_freq = 2417, .hw_value = 2 },
57 { .center_freq = 2422, .hw_value = 3 },
58 { .center_freq = 2427, .hw_value = 4 },
59 { .center_freq = 2432, .hw_value = 5 },
60 { .center_freq = 2437, .hw_value = 6 },
61 { .center_freq = 2442, .hw_value = 7 },
62 { .center_freq = 2447, .hw_value = 8 },
63 { .center_freq = 2452, .hw_value = 9 },
64 { .center_freq = 2457, .hw_value = 10 },
65 { .center_freq = 2462, .hw_value = 11 },
66 { .center_freq = 2467, .hw_value = 12 },
67 { .center_freq = 2472, .hw_value = 13 },
68 { .center_freq = 2484, .hw_value = 14 }
69 };
70
71 static struct ieee80211_channel vnt_channels_5ghz[] = {
72 { .center_freq = 4915, .hw_value = 15 },
73 { .center_freq = 4920, .hw_value = 16 },
74 { .center_freq = 4925, .hw_value = 17 },
75 { .center_freq = 4935, .hw_value = 18 },
76 { .center_freq = 4940, .hw_value = 19 },
77 { .center_freq = 4945, .hw_value = 20 },
78 { .center_freq = 4960, .hw_value = 21 },
79 { .center_freq = 4980, .hw_value = 22 },
80 { .center_freq = 5035, .hw_value = 23 },
81 { .center_freq = 5040, .hw_value = 24 },
82 { .center_freq = 5045, .hw_value = 25 },
83 { .center_freq = 5055, .hw_value = 26 },
84 { .center_freq = 5060, .hw_value = 27 },
85 { .center_freq = 5080, .hw_value = 28 },
86 { .center_freq = 5170, .hw_value = 29 },
87 { .center_freq = 5180, .hw_value = 30 },
88 { .center_freq = 5190, .hw_value = 31 },
89 { .center_freq = 5200, .hw_value = 32 },
90 { .center_freq = 5210, .hw_value = 33 },
91 { .center_freq = 5220, .hw_value = 34 },
92 { .center_freq = 5230, .hw_value = 35 },
93 { .center_freq = 5240, .hw_value = 36 },
94 { .center_freq = 5260, .hw_value = 37 },
95 { .center_freq = 5280, .hw_value = 38 },
96 { .center_freq = 5300, .hw_value = 39 },
97 { .center_freq = 5320, .hw_value = 40 },
98 { .center_freq = 5500, .hw_value = 41 },
99 { .center_freq = 5520, .hw_value = 42 },
100 { .center_freq = 5540, .hw_value = 43 },
101 { .center_freq = 5560, .hw_value = 44 },
102 { .center_freq = 5580, .hw_value = 45 },
103 { .center_freq = 5600, .hw_value = 46 },
104 { .center_freq = 5620, .hw_value = 47 },
105 { .center_freq = 5640, .hw_value = 48 },
106 { .center_freq = 5660, .hw_value = 49 },
107 { .center_freq = 5680, .hw_value = 50 },
108 { .center_freq = 5700, .hw_value = 51 },
109 { .center_freq = 5745, .hw_value = 52 },
110 { .center_freq = 5765, .hw_value = 53 },
111 { .center_freq = 5785, .hw_value = 54 },
112 { .center_freq = 5805, .hw_value = 55 },
113 { .center_freq = 5825, .hw_value = 56 }
114 };
115
116 static struct ieee80211_supported_band vnt_supported_2ghz_band = {
117 .channels = vnt_channels_2ghz,
118 .n_channels = ARRAY_SIZE(vnt_channels_2ghz),
119 .bitrates = vnt_rates_bg,
120 .n_bitrates = ARRAY_SIZE(vnt_rates_bg),
121 };
122
123 static struct ieee80211_supported_band vnt_supported_5ghz_band = {
124 .channels = vnt_channels_5ghz,
125 .n_channels = ARRAY_SIZE(vnt_channels_5ghz),
126 .bitrates = vnt_rates_a,
127 .n_bitrates = ARRAY_SIZE(vnt_rates_a),
128 };
129
vnt_init_bands(struct vnt_private * priv)130 void vnt_init_bands(struct vnt_private *priv)
131 {
132 struct ieee80211_channel *ch;
133 int i;
134
135 switch (priv->rf_type) {
136 case RF_AIROHA7230:
137 case RF_VT3342A0:
138 default:
139 ch = vnt_channels_5ghz;
140
141 for (i = 0; i < ARRAY_SIZE(vnt_channels_5ghz); i++) {
142 ch[i].max_power = VNT_RF_MAX_POWER;
143 ch[i].flags = IEEE80211_CHAN_NO_HT40;
144 }
145
146 priv->hw->wiphy->bands[NL80211_BAND_5GHZ] =
147 &vnt_supported_5ghz_band;
148 /* fallthrough */
149 case RF_AL2230:
150 case RF_AL2230S:
151 case RF_VT3226:
152 case RF_VT3226D0:
153 ch = vnt_channels_2ghz;
154
155 for (i = 0; i < ARRAY_SIZE(vnt_channels_2ghz); i++) {
156 ch[i].max_power = VNT_RF_MAX_POWER;
157 ch[i].flags = IEEE80211_CHAN_NO_HT40;
158 }
159
160 priv->hw->wiphy->bands[NL80211_BAND_2GHZ] =
161 &vnt_supported_2ghz_band;
162 break;
163 }
164 }
165
