1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
4 * All rights reserved.
5 *
6 */
7
8 #include "baseband.h"
9 #include "channel.h"
10 #include "device.h"
11 #include "rf.h"
12
13 static struct ieee80211_rate vnt_rates_bg[] = {
14 { .bitrate = 10, .hw_value = RATE_1M },
15 { .bitrate = 20, .hw_value = RATE_2M },
16 { .bitrate = 55, .hw_value = RATE_5M },
17 { .bitrate = 110, .hw_value = RATE_11M },
18 { .bitrate = 60, .hw_value = RATE_6M },
19 { .bitrate = 90, .hw_value = RATE_9M },
20 { .bitrate = 120, .hw_value = RATE_12M },
21 { .bitrate = 180, .hw_value = RATE_18M },
22 { .bitrate = 240, .hw_value = RATE_24M },
23 { .bitrate = 360, .hw_value = RATE_36M },
24 { .bitrate = 480, .hw_value = RATE_48M },
25 { .bitrate = 540, .hw_value = RATE_54M },
26 };
27
28 static struct ieee80211_rate vnt_rates_a[] = {
29 { .bitrate = 60, .hw_value = RATE_6M },
30 { .bitrate = 90, .hw_value = RATE_9M },
31 { .bitrate = 120, .hw_value = RATE_12M },
32 { .bitrate = 180, .hw_value = RATE_18M },
33 { .bitrate = 240, .hw_value = RATE_24M },
34 { .bitrate = 360, .hw_value = RATE_36M },
35 { .bitrate = 480, .hw_value = RATE_48M },
36 { .bitrate = 540, .hw_value = RATE_54M },
37 };
38
39 static struct ieee80211_channel vnt_channels_2ghz[] = {
40 { .center_freq = 2412, .hw_value = 1 },
41 { .center_freq = 2417, .hw_value = 2 },
42 { .center_freq = 2422, .hw_value = 3 },
43 { .center_freq = 2427, .hw_value = 4 },
44 { .center_freq = 2432, .hw_value = 5 },
45 { .center_freq = 2437, .hw_value = 6 },
46 { .center_freq = 2442, .hw_value = 7 },
47 { .center_freq = 2447, .hw_value = 8 },
48 { .center_freq = 2452, .hw_value = 9 },
49 { .center_freq = 2457, .hw_value = 10 },
50 { .center_freq = 2462, .hw_value = 11 },
51 { .center_freq = 2467, .hw_value = 12 },
52 { .center_freq = 2472, .hw_value = 13 },
53 { .center_freq = 2484, .hw_value = 14 }
54 };
55
56 static struct ieee80211_channel vnt_channels_5ghz[] = {
57 { .center_freq = 4915, .hw_value = 15 },
58 { .center_freq = 4920, .hw_value = 16 },
59 { .center_freq = 4925, .hw_value = 17 },
60 { .center_freq = 4935, .hw_value = 18 },
61 { .center_freq = 4940, .hw_value = 19 },
62 { .center_freq = 4945, .hw_value = 20 },
63 { .center_freq = 4960, .hw_value = 21 },
64 { .center_freq = 4980, .hw_value = 22 },
65 { .center_freq = 5035, .hw_value = 23 },
66 { .center_freq = 5040, .hw_value = 24 },
67 { .center_freq = 5045, .hw_value = 25 },
68 { .center_freq = 5055, .hw_value = 26 },
69 { .center_freq = 5060, .hw_value = 27 },
70 { .center_freq = 5080, .hw_value = 28 },
71 { .center_freq = 5170, .hw_value = 29 },
72 { .center_freq = 5180, .hw_value = 30 },
73 { .center_freq = 5190, .hw_value = 31 },
74 { .center_freq = 5200, .hw_value = 32 },
75 { .center_freq = 5210, .hw_value = 33 },
76 { .center_freq = 5220, .hw_value = 34 },
77 { .center_freq = 5230, .hw_value = 35 },
78 { .center_freq = 5240, .hw_value = 36 },
79 { .center_freq = 5260, .hw_value = 37 },
80 { .center_freq = 5280, .hw_value = 38 },
81 { .center_freq = 5300, .hw_value = 39 },
82 { .center_freq = 5320, .hw_value = 40 },
83 { .center_freq = 5500, .hw_value = 41 },
84 { .center_freq = 5520, .hw_value = 42 },
85 { .center_freq = 5540, .hw_value = 43 },
86 { .center_freq = 5560, .hw_value = 44 },
87 { .center_freq = 5580, .hw_value = 45 },
88 { .center_freq = 5600, .hw_value = 46 },
89 { .center_freq = 5620, .hw_value = 47 },
90 { .center_freq = 5640, .hw_value = 48 },
91 { .center_freq = 5660, .hw_value = 49 },
92 { .center_freq = 5680, .hw_value = 50 },
93 { .center_freq = 5700, .hw_value = 51 },
94 { .center_freq = 5745, .hw_value = 52 },
95 { .center_freq = 5765, .hw_value = 53 },
96 { .center_freq = 5785, .hw_value = 54 },
97 { .center_freq = 5805, .hw_value = 55 },
98 { .center_freq = 5825, .hw_value = 56 }
99 };
100
101 static struct ieee80211_supported_band vnt_supported_2ghz_band = {
102 .channels = vnt_channels_2ghz,
103 .n_channels = ARRAY_SIZE(vnt_channels_2ghz),
104 .bitrates = vnt_rates_bg,
105 .n_bitrates = ARRAY_SIZE(vnt_rates_bg),
106 };
107
108 static struct ieee80211_supported_band vnt_supported_5ghz_band = {
109 .channels = vnt_channels_5ghz,
110 .n_channels = ARRAY_SIZE(vnt_channels_5ghz),
111 .bitrates = vnt_rates_a,
112 .n_bitrates = ARRAY_SIZE(vnt_rates_a),
113 };
114
vnt_init_band(struct vnt_private * priv,struct ieee80211_supported_band * supported_band,enum nl80211_band band)115 static void vnt_init_band(struct vnt_private *priv,
116 struct ieee80211_supported_band *supported_band,
117 enum nl80211_band band)
118 {
119 int i;
120
121 for (i = 0; i < supported_band->n_channels; i++) {
122 supported_band->channels[i].max_power = 0x3f;
123 supported_band->channels[i].flags =
124 IEEE80211_CHAN_NO_HT40;
125 }
126
127 priv->hw->wiphy->bands[band] = supported_band;
128 }
129
vnt_init_bands(struct vnt_private * priv)130 void vnt_init_bands(struct vnt_private *priv)
131 {
132 switch (priv->byRFType) {
133 case RF_AIROHA7230:
134 case RF_UW2452:
135 case RF_NOTHING:
136 default:
137 vnt_init_band(priv, &vnt_supported_5ghz_band,
138 NL80211_BAND_5GHZ);
139 fallthrough;
140 case RF_RFMD2959:
141 case RF_AIROHA:
142 case RF_AL2230S:
143 case RF_UW2451:
144 case RF_VT3226:
145 vnt_init_band(priv, &vnt_supported_2ghz_band,
146 NL80211_BAND_2GHZ);
147 break;
148 }
149 }
150
151 /**
152 * set_channel() - Set NIC media channel
153 *
154 * @priv: The adapter to be set
155 * @ch: Channel to be set
156 *
157 * Return Value: true if succeeded; false if failed.
158 *
159 */
set_channel(struct vnt_private * priv,struct ieee80211_channel * ch)160 bool set_channel(struct vnt_private *priv, struct ieee80211_channel *ch)
161 {
162 bool ret = true;
163
164 if (priv->byCurrentCh == ch->hw_value)
165 return ret;
166
167 /* Set VGA to max sensitivity */
168 if (priv->bUpdateBBVGA &&
169 priv->byBBVGACurrent != priv->abyBBVGA[0]) {
170 priv->byBBVGACurrent = priv->abyBBVGA[0];
171
172 bb_set_vga_gain_offset(priv, priv->byBBVGACurrent);
173 }
174
175 /* clear NAV */
176 MACvRegBitsOn(priv->PortOffset, MAC_REG_MACCR, MACCR_CLRNAV);
177
178 /* TX_PE will reserve 3 us for MAX2829 A mode only,
179 * it is for better TX throughput
180 */
181
182 if (priv->byRFType == RF_AIROHA7230)
183 RFbAL7230SelectChannelPostProcess(priv, priv->byCurrentCh,
184 ch->hw_value);
185
186 priv->byCurrentCh = ch->hw_value;
187 ret &= RFbSelectChannel(priv, priv->byRFType,
188 ch->hw_value);
189
190 /* Init Synthesizer Table */
191 if (priv->bEnablePSMode)
192 RFvWriteWakeProgSyn(priv, priv->byRFType, ch->hw_value);
193
194 bb_software_reset(priv);
195
196 if (priv->byLocalID > REV_ID_VT3253_B1) {
197 unsigned long flags;
198
199 spin_lock_irqsave(&priv->lock, flags);
200
201 /* set HW default power register */
202 MACvSelectPage1(priv->PortOffset);
203 RFbSetPower(priv, RATE_1M, priv->byCurrentCh);
204 VNSvOutPortB(priv->PortOffset + MAC_REG_PWRCCK,
205 priv->byCurPwr);
206 RFbSetPower(priv, RATE_6M, priv->byCurrentCh);
207 VNSvOutPortB(priv->PortOffset + MAC_REG_PWROFDM,
208 priv->byCurPwr);
209 MACvSelectPage0(priv->PortOffset);
210
211 spin_unlock_irqrestore(&priv->lock, flags);
212 }
213
214 if (priv->byBBType == BB_TYPE_11B)
215 RFbSetPower(priv, RATE_1M, priv->byCurrentCh);
216 else
217 RFbSetPower(priv, RATE_6M, priv->byCurrentCh);
218
219 return ret;
220 }
221