Commit | Line | Data |
---|---|---|
66bb42fd DD |
1 | /* ZD1211 USB-WLAN driver for Linux |
2 | * | |
3 | * Copyright (C) 2005-2007 Ulrich Kunitz <kune@deine-taler.de> | |
4 | * Copyright (C) 2006-2007 Daniel Drake <dsd@gentoo.org> | |
e85d0918 DD |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
f47cdae4 | 17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
e85d0918 DD |
18 | */ |
19 | ||
20 | #include <linux/errno.h> | |
21 | #include <linux/string.h> | |
22 | ||
23 | #include "zd_def.h" | |
24 | #include "zd_rf.h" | |
e83a1070 | 25 | #include "zd_mac.h" |
e85d0918 DD |
26 | #include "zd_chip.h" |
27 | ||
d2d7c052 | 28 | static const char * const rfs[] = { |
e85d0918 DD |
29 | [0] = "unknown RF0", |
30 | [1] = "unknown RF1", | |
31 | [UW2451_RF] = "UW2451_RF", | |
32 | [UCHIP_RF] = "UCHIP_RF", | |
33 | [AL2230_RF] = "AL2230_RF", | |
34 | [AL7230B_RF] = "AL7230B_RF", | |
35 | [THETA_RF] = "THETA_RF", | |
36 | [AL2210_RF] = "AL2210_RF", | |
37 | [MAXIM_NEW_RF] = "MAXIM_NEW_RF", | |
38 | [UW2453_RF] = "UW2453_RF", | |
4418583c | 39 | [AL2230S_RF] = "AL2230S_RF", |
e85d0918 DD |
40 | [RALINK_RF] = "RALINK_RF", |
41 | [INTERSIL_RF] = "INTERSIL_RF", | |
42 | [RF2959_RF] = "RF2959_RF", | |
43 | [MAXIM_NEW2_RF] = "MAXIM_NEW2_RF", | |
44 | [PHILIPS_RF] = "PHILIPS_RF", | |
45 | }; | |
46 | ||
47 | const char *zd_rf_name(u8 type) | |
48 | { | |
49 | if (type & 0xf0) | |
50 | type = 0; | |
51 | return rfs[type]; | |
52 | } | |
53 | ||
54 | void zd_rf_init(struct zd_rf *rf) | |
55 | { | |
56 | memset(rf, 0, sizeof(*rf)); | |
9c8fc71d DD |
57 | |
58 | /* default to update channel integration, as almost all RF's do want | |
59 | * this */ | |
60 | rf->update_channel_int = 1; | |
e85d0918 DD |
61 | } |
62 | ||
63 | void zd_rf_clear(struct zd_rf *rf) | |
64 | { | |
9c8fc71d DD |
65 | if (rf->clear) |
66 | rf->clear(rf); | |
c48cf125 | 67 | ZD_MEMCLEAR(rf, sizeof(*rf)); |
e85d0918 DD |
68 | } |
69 | ||
70 | int zd_rf_init_hw(struct zd_rf *rf, u8 type) | |
71 | { | |
4481d609 DD |
72 | int r = 0; |
73 | int t; | |
e85d0918 DD |
74 | struct zd_chip *chip = zd_rf_to_chip(rf); |
75 | ||
76 | ZD_ASSERT(mutex_is_locked(&chip->mutex)); | |
77 | switch (type) { | |
78 | case RF2959_RF: | |
79 | r = zd_rf_init_rf2959(rf); | |
e85d0918 DD |
80 | break; |
81 | case AL2230_RF: | |
4418583c | 82 | case AL2230S_RF: |
e85d0918 | 83 | r = zd_rf_init_al2230(rf); |
e85d0918 | 84 | break; |
ec62bd91 DD |
85 | case AL7230B_RF: |
86 | r = zd_rf_init_al7230b(rf); | |
4481d609 | 87 | break; |
efb43f4b | 88 | case MAXIM_NEW_RF: |
4481d609 DD |
89 | case UW2453_RF: |
90 | r = zd_rf_init_uw2453(rf); | |
ec62bd91 | 91 | break; |
e85d0918 DD |
92 | default: |
93 | dev_err(zd_chip_dev(chip), | |
94 | "RF %s %#x is not supported\n", zd_rf_name(type), type); | |
95 | rf->type = 0; | |
96 | return -ENODEV; | |
97 | } | |
98 | ||
4481d609 DD |
99 | if (r) |
100 | return r; | |
101 | ||
e85d0918 DD |
102 | rf->type = type; |
103 | ||
104 | r = zd_chip_lock_phy_regs(chip); | |
105 | if (r) | |
106 | return r; | |
107 | t = rf->init_hw(rf); | |
108 | r = zd_chip_unlock_phy_regs(chip); | |
109 | if (t) | |
110 | r = t; | |
111 | return r; | |
112 | } | |
113 | ||
114 | int zd_rf_scnprint_id(struct zd_rf *rf, char *buffer, size_t size) | |
115 | { | |
116 | return scnprintf(buffer, size, "%s", zd_rf_name(rf->type)); | |
117 | } | |
118 | ||
119 | int zd_rf_set_channel(struct zd_rf *rf, u8 channel) | |
120 | { | |
121 | int r; | |
122 | ||
123 | ZD_ASSERT(mutex_is_locked(&zd_rf_to_chip(rf)->mutex)); | |
124 | if (channel < MIN_CHANNEL24) | |
125 | return -EINVAL; | |
126 | if (channel > MAX_CHANNEL24) | |
127 | return -EINVAL; | |
128 | dev_dbg_f(zd_chip_dev(zd_rf_to_chip(rf)), "channel: %d\n", channel); | |
129 | ||
130 | r = rf->set_channel(rf, channel); | |
131 | if (r >= 0) | |
132 | rf->channel = channel; | |
133 | return r; | |
134 | } | |
135 | ||
136 | int zd_switch_radio_on(struct zd_rf *rf) | |
137 | { | |
138 | int r, t; | |
139 | struct zd_chip *chip = zd_rf_to_chip(rf); | |
140 | ||
141 | ZD_ASSERT(mutex_is_locked(&chip->mutex)); | |
142 | r = zd_chip_lock_phy_regs(chip); | |
143 | if (r) | |
144 | return r; | |
145 | t = rf->switch_radio_on(rf); | |
146 | r = zd_chip_unlock_phy_regs(chip); | |
147 | if (t) | |
148 | r = t; | |
149 | return r; | |
150 | } | |
151 | ||
152 | int zd_switch_radio_off(struct zd_rf *rf) | |
153 | { | |
154 | int r, t; | |
155 | struct zd_chip *chip = zd_rf_to_chip(rf); | |
156 | ||
157 | /* TODO: move phy regs handling to zd_chip */ | |
158 | ZD_ASSERT(mutex_is_locked(&chip->mutex)); | |
159 | r = zd_chip_lock_phy_regs(chip); | |
160 | if (r) | |
161 | return r; | |
162 | t = rf->switch_radio_off(rf); | |
163 | r = zd_chip_unlock_phy_regs(chip); | |
164 | if (t) | |
165 | r = t; | |
166 | return r; | |
167 | } | |
72018b22 DD |
168 | |
169 | int zd_rf_patch_6m_band_edge(struct zd_rf *rf, u8 channel) | |
170 | { | |
171 | if (!rf->patch_6m_band_edge) | |
172 | return 0; | |
173 | ||
174 | return rf->patch_6m_band_edge(rf, channel); | |
175 | } | |
176 | ||
177 | int zd_rf_generic_patch_6m(struct zd_rf *rf, u8 channel) | |
178 | { | |
179 | return zd_chip_generic_patch_6m_band(zd_rf_to_chip(rf), channel); | |
180 | } | |
181 |