1 | // SPDX-License-Identifier: GPL-2.0-or-later |
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> |
6 | */ |
7 | |
8 | #include <linux/errno.h> |
9 | #include <linux/string.h> |
10 | |
11 | #include "zd_def.h" |
12 | #include "zd_rf.h" |
13 | #include "zd_mac.h" |
14 | #include "zd_chip.h" |
15 | |
16 | static const char * const rfs[] = { |
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" , |
27 | [AL2230S_RF] = "AL2230S_RF" , |
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)); |
45 | |
46 | /* default to update channel integration, as almost all RF's do want |
47 | * this */ |
48 | rf->update_channel_int = 1; |
49 | } |
50 | |
51 | void zd_rf_clear(struct zd_rf *rf) |
52 | { |
53 | if (rf->clear) |
54 | rf->clear(rf); |
55 | ZD_MEMCLEAR(rf, sizeof(*rf)); |
56 | } |
57 | |
58 | int zd_rf_init_hw(struct zd_rf *rf, u8 type) |
59 | { |
60 | int r = 0; |
61 | int t; |
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); |
68 | break; |
69 | case AL2230_RF: |
70 | case AL2230S_RF: |
71 | r = zd_rf_init_al2230(rf); |
72 | break; |
73 | case AL7230B_RF: |
74 | r = zd_rf_init_al7230b(rf); |
75 | break; |
76 | case MAXIM_NEW_RF: |
77 | case UW2453_RF: |
78 | r = zd_rf_init_uw2453(rf); |
79 | break; |
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 | |
87 | if (r) |
88 | return r; |
89 | |
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(buf: buffer, size, fmt: "%s" , zd_rf_name(type: 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 | } |
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(chip: zd_rf_to_chip(rf), channel); |
168 | } |
169 | |
170 | |