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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 | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | */ | |
20 | ||
21 | #include <linux/errno.h> | |
22 | #include <linux/string.h> | |
23 | ||
24 | #include "zd_def.h" | |
25 | #include "zd_rf.h" | |
e83a1070 | 26 | #include "zd_mac.h" |
e85d0918 DD |
27 | #include "zd_chip.h" |
28 | ||
d2d7c052 | 29 | static const char * const rfs[] = { |
e85d0918 DD |
30 | [0] = "unknown RF0", |
31 | [1] = "unknown RF1", | |
32 | [UW2451_RF] = "UW2451_RF", | |
33 | [UCHIP_RF] = "UCHIP_RF", | |
34 | [AL2230_RF] = "AL2230_RF", | |
35 | [AL7230B_RF] = "AL7230B_RF", | |
36 | [THETA_RF] = "THETA_RF", | |
37 | [AL2210_RF] = "AL2210_RF", | |
38 | [MAXIM_NEW_RF] = "MAXIM_NEW_RF", | |
39 | [UW2453_RF] = "UW2453_RF", | |
4418583c | 40 | [AL2230S_RF] = "AL2230S_RF", |
e85d0918 DD |
41 | [RALINK_RF] = "RALINK_RF", |
42 | [INTERSIL_RF] = "INTERSIL_RF", | |
43 | [RF2959_RF] = "RF2959_RF", | |
44 | [MAXIM_NEW2_RF] = "MAXIM_NEW2_RF", | |
45 | [PHILIPS_RF] = "PHILIPS_RF", | |
46 | }; | |
47 | ||
48 | const char *zd_rf_name(u8 type) | |
49 | { | |
50 | if (type & 0xf0) | |
51 | type = 0; | |
52 | return rfs[type]; | |
53 | } | |
54 | ||
55 | void zd_rf_init(struct zd_rf *rf) | |
56 | { | |
57 | memset(rf, 0, sizeof(*rf)); | |
9c8fc71d DD |
58 | |
59 | /* default to update channel integration, as almost all RF's do want | |
60 | * this */ | |
61 | rf->update_channel_int = 1; | |
e85d0918 DD |
62 | } |
63 | ||
64 | void zd_rf_clear(struct zd_rf *rf) | |
65 | { | |
9c8fc71d DD |
66 | if (rf->clear) |
67 | rf->clear(rf); | |
c48cf125 | 68 | ZD_MEMCLEAR(rf, sizeof(*rf)); |
e85d0918 DD |
69 | } |
70 | ||
71 | int zd_rf_init_hw(struct zd_rf *rf, u8 type) | |
72 | { | |
4481d609 DD |
73 | int r = 0; |
74 | int t; | |
e85d0918 DD |
75 | struct zd_chip *chip = zd_rf_to_chip(rf); |
76 | ||
77 | ZD_ASSERT(mutex_is_locked(&chip->mutex)); | |
78 | switch (type) { | |
79 | case RF2959_RF: | |
80 | r = zd_rf_init_rf2959(rf); | |
e85d0918 DD |
81 | break; |
82 | case AL2230_RF: | |
4418583c | 83 | case AL2230S_RF: |
e85d0918 | 84 | r = zd_rf_init_al2230(rf); |
e85d0918 | 85 | break; |
ec62bd91 DD |
86 | case AL7230B_RF: |
87 | r = zd_rf_init_al7230b(rf); | |
4481d609 | 88 | break; |
efb43f4b | 89 | case MAXIM_NEW_RF: |
4481d609 DD |
90 | case UW2453_RF: |
91 | r = zd_rf_init_uw2453(rf); | |
ec62bd91 | 92 | break; |
e85d0918 DD |
93 | default: |
94 | dev_err(zd_chip_dev(chip), | |
95 | "RF %s %#x is not supported\n", zd_rf_name(type), type); | |
96 | rf->type = 0; | |
97 | return -ENODEV; | |
98 | } | |
99 | ||
4481d609 DD |
100 | if (r) |
101 | return r; | |
102 | ||
e85d0918 DD |
103 | rf->type = type; |
104 | ||
105 | r = zd_chip_lock_phy_regs(chip); | |
106 | if (r) | |
107 | return r; | |
108 | t = rf->init_hw(rf); | |
109 | r = zd_chip_unlock_phy_regs(chip); | |
110 | if (t) | |
111 | r = t; | |
112 | return r; | |
113 | } | |
114 | ||
115 | int zd_rf_scnprint_id(struct zd_rf *rf, char *buffer, size_t size) | |
116 | { | |
117 | return scnprintf(buffer, size, "%s", zd_rf_name(rf->type)); | |
118 | } | |
119 | ||
120 | int zd_rf_set_channel(struct zd_rf *rf, u8 channel) | |
121 | { | |
122 | int r; | |
123 | ||
124 | ZD_ASSERT(mutex_is_locked(&zd_rf_to_chip(rf)->mutex)); | |
125 | if (channel < MIN_CHANNEL24) | |
126 | return -EINVAL; | |
127 | if (channel > MAX_CHANNEL24) | |
128 | return -EINVAL; | |
129 | dev_dbg_f(zd_chip_dev(zd_rf_to_chip(rf)), "channel: %d\n", channel); | |
130 | ||
131 | r = rf->set_channel(rf, channel); | |
132 | if (r >= 0) | |
133 | rf->channel = channel; | |
134 | return r; | |
135 | } | |
136 | ||
137 | int zd_switch_radio_on(struct zd_rf *rf) | |
138 | { | |
139 | int r, t; | |
140 | struct zd_chip *chip = zd_rf_to_chip(rf); | |
141 | ||
142 | ZD_ASSERT(mutex_is_locked(&chip->mutex)); | |
143 | r = zd_chip_lock_phy_regs(chip); | |
144 | if (r) | |
145 | return r; | |
146 | t = rf->switch_radio_on(rf); | |
147 | r = zd_chip_unlock_phy_regs(chip); | |
148 | if (t) | |
149 | r = t; | |
150 | return r; | |
151 | } | |
152 | ||
153 | int zd_switch_radio_off(struct zd_rf *rf) | |
154 | { | |
155 | int r, t; | |
156 | struct zd_chip *chip = zd_rf_to_chip(rf); | |
157 | ||
158 | /* TODO: move phy regs handling to zd_chip */ | |
159 | ZD_ASSERT(mutex_is_locked(&chip->mutex)); | |
160 | r = zd_chip_lock_phy_regs(chip); | |
161 | if (r) | |
162 | return r; | |
163 | t = rf->switch_radio_off(rf); | |
164 | r = zd_chip_unlock_phy_regs(chip); | |
165 | if (t) | |
166 | r = t; | |
167 | return r; | |
168 | } | |
72018b22 DD |
169 | |
170 | int zd_rf_patch_6m_band_edge(struct zd_rf *rf, u8 channel) | |
171 | { | |
172 | if (!rf->patch_6m_band_edge) | |
173 | return 0; | |
174 | ||
175 | return rf->patch_6m_band_edge(rf, channel); | |
176 | } | |
177 | ||
178 | int zd_rf_generic_patch_6m(struct zd_rf *rf, u8 channel) | |
179 | { | |
180 | return zd_chip_generic_patch_6m_band(zd_rf_to_chip(rf), channel); | |
181 | } | |
182 |