xref: /openbmc/linux/drivers/staging/vt6656/channel.c (revision 14474950)
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 
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