Commit | Line | Data |
---|---|---|
1ccea77e | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
66bb42fd DD |
2 | /* ZD1211 USB-WLAN driver for Linux |
3 | * | |
4 | * Copyright (C) 2005-2007 Ulrich Kunitz <kune@deine-taler.de> | |
5 | * Copyright (C) 2006-2007 Daniel Drake <dsd@gentoo.org> | |
e85d0918 DD |
6 | */ |
7 | ||
8 | #include <linux/errno.h> | |
9 | #include <linux/string.h> | |
10 | ||
11 | #include "zd_def.h" | |
12 | #include "zd_rf.h" | |
e83a1070 | 13 | #include "zd_mac.h" |
e85d0918 DD |
14 | #include "zd_chip.h" |
15 | ||
d2d7c052 | 16 | static const char * const rfs[] = { |
e85d0918 DD |
17 | [0] = "unknown RF0", |
18 | [1] = "unknown RF1", | |
19 | [UW2451_RF] = "UW2451_RF", | |
20 | [UCHIP_RF] = "UCHIP_RF", | |
21 | [AL2230_RF] = "AL2230_RF", | |
22 | [AL7230B_RF] = "AL7230B_RF", | |
23 | [THETA_RF] = "THETA_RF", | |
24 | [AL2210_RF] = "AL2210_RF", | |
25 | [MAXIM_NEW_RF] = "MAXIM_NEW_RF", | |
26 | [UW2453_RF] = "UW2453_RF", | |
4418583c | 27 | [AL2230S_RF] = "AL2230S_RF", |
e85d0918 DD |
28 | [RALINK_RF] = "RALINK_RF", |
29 | [INTERSIL_RF] = "INTERSIL_RF", | |
30 | [RF2959_RF] = "RF2959_RF", | |
31 | [MAXIM_NEW2_RF] = "MAXIM_NEW2_RF", | |
32 | [PHILIPS_RF] = "PHILIPS_RF", | |
33 | }; | |
34 | ||
35 | const char *zd_rf_name(u8 type) | |
36 | { | |
37 | if (type & 0xf0) | |
38 | type = 0; | |
39 | return rfs[type]; | |
40 | } | |
41 | ||
42 | void zd_rf_init(struct zd_rf *rf) | |
43 | { | |
44 | memset(rf, 0, sizeof(*rf)); | |
9c8fc71d DD |
45 | |
46 | /* default to update channel integration, as almost all RF's do want | |
47 | * this */ | |
48 | rf->update_channel_int = 1; | |
e85d0918 DD |
49 | } |
50 | ||
51 | void zd_rf_clear(struct zd_rf *rf) | |
52 | { | |
9c8fc71d DD |
53 | if (rf->clear) |
54 | rf->clear(rf); | |
c48cf125 | 55 | ZD_MEMCLEAR(rf, sizeof(*rf)); |
e85d0918 DD |
56 | } |
57 | ||
58 | int zd_rf_init_hw(struct zd_rf *rf, u8 type) | |
59 | { | |
4481d609 DD |
60 | int r = 0; |
61 | int t; | |
e85d0918 DD |
62 | struct zd_chip *chip = zd_rf_to_chip(rf); |
63 | ||
64 | ZD_ASSERT(mutex_is_locked(&chip->mutex)); | |
65 | switch (type) { | |
66 | case RF2959_RF: | |
67 | r = zd_rf_init_rf2959(rf); | |
e85d0918 DD |
68 | break; |
69 | case AL2230_RF: | |
4418583c | 70 | case AL2230S_RF: |
e85d0918 | 71 | r = zd_rf_init_al2230(rf); |
e85d0918 | 72 | break; |
ec62bd91 DD |
73 | case AL7230B_RF: |
74 | r = zd_rf_init_al7230b(rf); | |
4481d609 | 75 | break; |
efb43f4b | 76 | case MAXIM_NEW_RF: |
4481d609 DD |
77 | case UW2453_RF: |
78 | r = zd_rf_init_uw2453(rf); | |
ec62bd91 | 79 | break; |
e85d0918 DD |
80 | default: |
81 | dev_err(zd_chip_dev(chip), | |
82 | "RF %s %#x is not supported\n", zd_rf_name(type), type); | |
83 | rf->type = 0; | |
84 | return -ENODEV; | |
85 | } | |
86 | ||
4481d609 DD |
87 | if (r) |
88 | return r; | |
89 | ||
e85d0918 DD |
90 | rf->type = type; |
91 | ||
92 | r = zd_chip_lock_phy_regs(chip); | |
93 | if (r) | |
94 | return r; | |
95 | t = rf->init_hw(rf); | |
96 | r = zd_chip_unlock_phy_regs(chip); | |
97 | if (t) | |
98 | r = t; | |
99 | return r; | |
100 | } | |
101 | ||
102 | int zd_rf_scnprint_id(struct zd_rf *rf, char *buffer, size_t size) | |
103 | { | |
104 | return scnprintf(buffer, size, "%s", zd_rf_name(rf->type)); | |
105 | } | |
106 | ||
107 | int zd_rf_set_channel(struct zd_rf *rf, u8 channel) | |
108 | { | |
109 | int r; | |
110 | ||
111 | ZD_ASSERT(mutex_is_locked(&zd_rf_to_chip(rf)->mutex)); | |
112 | if (channel < MIN_CHANNEL24) | |
113 | return -EINVAL; | |
114 | if (channel > MAX_CHANNEL24) | |
115 | return -EINVAL; | |
116 | dev_dbg_f(zd_chip_dev(zd_rf_to_chip(rf)), "channel: %d\n", channel); | |
117 | ||
118 | r = rf->set_channel(rf, channel); | |
119 | if (r >= 0) | |
120 | rf->channel = channel; | |
121 | return r; | |
122 | } | |
123 | ||
124 | int zd_switch_radio_on(struct zd_rf *rf) | |
125 | { | |
126 | int r, t; | |
127 | struct zd_chip *chip = zd_rf_to_chip(rf); | |
128 | ||
129 | ZD_ASSERT(mutex_is_locked(&chip->mutex)); | |
130 | r = zd_chip_lock_phy_regs(chip); | |
131 | if (r) | |
132 | return r; | |
133 | t = rf->switch_radio_on(rf); | |
134 | r = zd_chip_unlock_phy_regs(chip); | |
135 | if (t) | |
136 | r = t; | |
137 | return r; | |
138 | } | |
139 | ||
140 | int zd_switch_radio_off(struct zd_rf *rf) | |
141 | { | |
142 | int r, t; | |
143 | struct zd_chip *chip = zd_rf_to_chip(rf); | |
144 | ||
145 | /* TODO: move phy regs handling to zd_chip */ | |
146 | ZD_ASSERT(mutex_is_locked(&chip->mutex)); | |
147 | r = zd_chip_lock_phy_regs(chip); | |
148 | if (r) | |
149 | return r; | |
150 | t = rf->switch_radio_off(rf); | |
151 | r = zd_chip_unlock_phy_regs(chip); | |
152 | if (t) | |
153 | r = t; | |
154 | return r; | |
155 | } | |
72018b22 DD |
156 | |
157 | int zd_rf_patch_6m_band_edge(struct zd_rf *rf, u8 channel) | |
158 | { | |
159 | if (!rf->patch_6m_band_edge) | |
160 | return 0; | |
161 | ||
162 | return rf->patch_6m_band_edge(rf, channel); | |
163 | } | |
164 | ||
165 | int zd_rf_generic_patch_6m(struct zd_rf *rf, u8 channel) | |
166 | { | |
167 | return zd_chip_generic_patch_6m_band(zd_rf_to_chip(rf), channel); | |
168 | } | |
169 |