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ec62bd91 DD |
1 | /* zd_rf_al7230b.c: Functions for the AL7230B RF controller |
2 | * | |
3 | * This program is free software; you can redistribute it and/or modify | |
4 | * it under the terms of the GNU General Public License as published by | |
5 | * the Free Software Foundation; either version 2 of the License, or | |
6 | * (at your option) any later version. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this program; if not, write to the Free Software | |
15 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
16 | */ | |
17 | ||
18 | #include <linux/kernel.h> | |
19 | ||
20 | #include "zd_rf.h" | |
21 | #include "zd_usb.h" | |
22 | #include "zd_chip.h" | |
23 | ||
24 | static const u32 chan_rv[][2] = { | |
25 | RF_CHANNEL( 1) = { 0x09ec00, 0x8cccc8 }, | |
26 | RF_CHANNEL( 2) = { 0x09ec00, 0x8cccd8 }, | |
27 | RF_CHANNEL( 3) = { 0x09ec00, 0x8cccc0 }, | |
28 | RF_CHANNEL( 4) = { 0x09ec00, 0x8cccd0 }, | |
29 | RF_CHANNEL( 5) = { 0x05ec00, 0x8cccc8 }, | |
30 | RF_CHANNEL( 6) = { 0x05ec00, 0x8cccd8 }, | |
31 | RF_CHANNEL( 7) = { 0x05ec00, 0x8cccc0 }, | |
32 | RF_CHANNEL( 8) = { 0x05ec00, 0x8cccd0 }, | |
33 | RF_CHANNEL( 9) = { 0x0dec00, 0x8cccc8 }, | |
34 | RF_CHANNEL(10) = { 0x0dec00, 0x8cccd8 }, | |
35 | RF_CHANNEL(11) = { 0x0dec00, 0x8cccc0 }, | |
36 | RF_CHANNEL(12) = { 0x0dec00, 0x8cccd0 }, | |
37 | RF_CHANNEL(13) = { 0x03ec00, 0x8cccc8 }, | |
38 | RF_CHANNEL(14) = { 0x03ec00, 0x866660 }, | |
39 | }; | |
40 | ||
41 | static const u32 std_rv[] = { | |
42 | 0x4ff821, | |
43 | 0xc5fbfc, | |
44 | 0x21ebfe, | |
45 | 0xafd401, /* freq shift 0xaad401 */ | |
46 | 0x6cf56a, | |
47 | 0xe04073, | |
48 | 0x193d76, | |
49 | 0x9dd844, | |
50 | 0x500007, | |
51 | 0xd8c010, | |
52 | }; | |
53 | ||
54 | static int al7230b_init_hw(struct zd_rf *rf) | |
55 | { | |
56 | int i, r; | |
57 | struct zd_chip *chip = zd_rf_to_chip(rf); | |
58 | ||
59 | /* All of these writes are identical to AL2230 unless otherwise | |
60 | * specified */ | |
61 | static const struct zd_ioreq16 ioreqs_1[] = { | |
62 | /* This one is 7230-specific, and happens before the rest */ | |
63 | { CR240, 0x57 }, | |
64 | { }, | |
65 | ||
66 | { CR15, 0x20 }, { CR23, 0x40 }, { CR24, 0x20 }, | |
67 | { CR26, 0x11 }, { CR28, 0x3e }, { CR29, 0x00 }, | |
68 | { CR44, 0x33 }, | |
69 | /* This value is different for 7230 (was: 0x2a) */ | |
70 | { CR106, 0x22 }, | |
71 | { CR107, 0x1a }, { CR109, 0x09 }, { CR110, 0x27 }, | |
72 | { CR111, 0x2b }, { CR112, 0x2b }, { CR119, 0x0a }, | |
73 | /* This happened further down in AL2230, | |
74 | * and the value changed (was: 0xe0) */ | |
75 | { CR122, 0xfc }, | |
76 | { CR10, 0x89 }, | |
77 | /* for newest (3rd cut) AL2300 */ | |
78 | { CR17, 0x28 }, | |
79 | { CR26, 0x93 }, { CR34, 0x30 }, | |
80 | /* for newest (3rd cut) AL2300 */ | |
81 | { CR35, 0x3e }, | |
82 | { CR41, 0x24 }, { CR44, 0x32 }, | |
83 | /* for newest (3rd cut) AL2300 */ | |
84 | { CR46, 0x96 }, | |
85 | { CR47, 0x1e }, { CR79, 0x58 }, { CR80, 0x30 }, | |
86 | { CR81, 0x30 }, { CR87, 0x0a }, { CR89, 0x04 }, | |
87 | { CR92, 0x0a }, { CR99, 0x28 }, | |
88 | /* This value is different for 7230 (was: 0x00) */ | |
89 | { CR100, 0x02 }, | |
90 | { CR101, 0x13 }, { CR102, 0x27 }, | |
91 | /* This value is different for 7230 (was: 0x24) */ | |
92 | { CR106, 0x22 }, | |
93 | /* This value is different for 7230 (was: 0x2a) */ | |
94 | { CR107, 0x3f }, | |
95 | { CR109, 0x09 }, | |
96 | /* This value is different for 7230 (was: 0x13) */ | |
97 | { CR110, 0x1f }, | |
98 | { CR111, 0x1f }, { CR112, 0x1f }, { CR113, 0x27 }, | |
99 | { CR114, 0x27 }, | |
100 | /* for newest (3rd cut) AL2300 */ | |
101 | { CR115, 0x24 }, | |
102 | /* This value is different for 7230 (was: 0x24) */ | |
103 | { CR116, 0x3f }, | |
104 | /* This value is different for 7230 (was: 0xf4) */ | |
105 | { CR117, 0xfa }, | |
106 | { CR118, 0xfc }, { CR119, 0x10 }, { CR120, 0x4f }, | |
107 | { CR121, 0x77 }, { CR137, 0x88 }, | |
108 | /* This one is 7230-specific */ | |
109 | { CR138, 0xa8 }, | |
110 | /* This value is different for 7230 (was: 0xff) */ | |
111 | { CR252, 0x34 }, | |
112 | /* This value is different for 7230 (was: 0xff) */ | |
113 | { CR253, 0x34 }, | |
114 | ||
115 | /* PLL_OFF */ | |
116 | { CR251, 0x2f }, | |
117 | }; | |
118 | ||
119 | static const struct zd_ioreq16 ioreqs_2[] = { | |
120 | /* PLL_ON */ | |
121 | { CR251, 0x3f }, | |
122 | { CR128, 0x14 }, { CR129, 0x12 }, { CR130, 0x10 }, | |
123 | { CR38, 0x38 }, { CR136, 0xdf }, | |
124 | }; | |
125 | ||
126 | r = zd_iowrite16a_locked(chip, ioreqs_1, ARRAY_SIZE(ioreqs_1)); | |
127 | if (r) | |
128 | return r; | |
129 | ||
130 | r = zd_rfwrite_cr_locked(chip, 0x09ec04); | |
131 | if (r) | |
132 | return r; | |
133 | r = zd_rfwrite_cr_locked(chip, 0x8cccc8); | |
134 | if (r) | |
135 | return r; | |
136 | ||
137 | for (i = 0; i < ARRAY_SIZE(std_rv); i++) { | |
138 | r = zd_rfwrite_cr_locked(chip, std_rv[i]); | |
139 | if (r) | |
140 | return r; | |
141 | } | |
142 | ||
143 | r = zd_rfwrite_cr_locked(chip, 0x3c9000); | |
144 | if (r) | |
145 | return r; | |
146 | r = zd_rfwrite_cr_locked(chip, 0xbfffff); | |
147 | if (r) | |
148 | return r; | |
149 | r = zd_rfwrite_cr_locked(chip, 0x700000); | |
150 | if (r) | |
151 | return r; | |
152 | r = zd_rfwrite_cr_locked(chip, 0xf15d58); | |
153 | if (r) | |
154 | return r; | |
155 | ||
156 | r = zd_iowrite16a_locked(chip, ioreqs_2, ARRAY_SIZE(ioreqs_2)); | |
157 | if (r) | |
158 | return r; | |
159 | ||
160 | r = zd_rfwrite_cr_locked(chip, 0xf15d59); | |
161 | if (r) | |
162 | return r; | |
163 | r = zd_rfwrite_cr_locked(chip, 0xf15d5c); | |
164 | if (r) | |
165 | return r; | |
166 | r = zd_rfwrite_cr_locked(chip, 0xf15d58); | |
167 | if (r) | |
168 | return r; | |
169 | ||
170 | r = zd_iowrite16_locked(chip, 0x06, CR203); | |
171 | if (r) | |
172 | return r; | |
173 | r = zd_iowrite16_locked(chip, 0x80, CR240); | |
174 | if (r) | |
175 | return r; | |
176 | ||
177 | return 0; | |
178 | } | |
179 | ||
180 | static int al7230b_set_channel(struct zd_rf *rf, u8 channel) | |
181 | { | |
182 | int i, r; | |
183 | const u32 *rv = chan_rv[channel-1]; | |
184 | struct zd_chip *chip = zd_rf_to_chip(rf); | |
185 | ||
d2d7c052 | 186 | static const struct zd_ioreq16 ioreqs_1[] = { |
ec62bd91 DD |
187 | { CR128, 0x14 }, { CR129, 0x12 }, { CR130, 0x10 }, |
188 | { CR38, 0x38 }, { CR136, 0xdf }, | |
189 | }; | |
190 | ||
d2d7c052 | 191 | static const struct zd_ioreq16 ioreqs_2[] = { |
ec62bd91 DD |
192 | /* PLL_ON */ |
193 | { CR251, 0x3f }, | |
194 | { CR203, 0x06 }, { CR240, 0x08 }, | |
195 | }; | |
196 | ||
197 | r = zd_iowrite16_locked(chip, 0x57, CR240); | |
198 | if (r) | |
199 | return r; | |
200 | ||
201 | /* PLL_OFF */ | |
202 | r = zd_iowrite16_locked(chip, 0x2f, CR251); | |
203 | if (r) | |
204 | return r; | |
205 | ||
206 | for (i = 0; i < ARRAY_SIZE(std_rv); i++) { | |
207 | r = zd_rfwrite_cr_locked(chip, std_rv[i]); | |
208 | if (r) | |
209 | return r; | |
210 | } | |
211 | ||
212 | r = zd_rfwrite_cr_locked(chip, 0x3c9000); | |
213 | if (r) | |
214 | return r; | |
215 | r = zd_rfwrite_cr_locked(chip, 0xf15d58); | |
216 | if (r) | |
217 | return r; | |
218 | ||
219 | r = zd_iowrite16a_locked(chip, ioreqs_1, ARRAY_SIZE(ioreqs_1)); | |
220 | if (r) | |
221 | return r; | |
222 | ||
223 | for (i = 0; i < 2; i++) { | |
224 | r = zd_rfwrite_cr_locked(chip, rv[i]); | |
225 | if (r) | |
226 | return r; | |
227 | } | |
228 | ||
229 | r = zd_rfwrite_cr_locked(chip, 0x3c9000); | |
230 | if (r) | |
231 | return r; | |
232 | ||
233 | return zd_iowrite16a_locked(chip, ioreqs_2, ARRAY_SIZE(ioreqs_2)); | |
234 | } | |
235 | ||
236 | static int al7230b_switch_radio_on(struct zd_rf *rf) | |
237 | { | |
238 | struct zd_chip *chip = zd_rf_to_chip(rf); | |
239 | static const struct zd_ioreq16 ioreqs[] = { | |
240 | { CR11, 0x00 }, | |
241 | { CR251, 0x3f }, | |
242 | }; | |
243 | ||
244 | return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs)); | |
245 | } | |
246 | ||
247 | static int al7230b_switch_radio_off(struct zd_rf *rf) | |
248 | { | |
249 | struct zd_chip *chip = zd_rf_to_chip(rf); | |
250 | static const struct zd_ioreq16 ioreqs[] = { | |
251 | { CR11, 0x04 }, | |
252 | { CR251, 0x2f }, | |
253 | }; | |
254 | ||
255 | return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs)); | |
256 | } | |
257 | ||
258 | int zd_rf_init_al7230b(struct zd_rf *rf) | |
259 | { | |
260 | struct zd_chip *chip = zd_rf_to_chip(rf); | |
261 | ||
262 | if (chip->is_zd1211b) { | |
263 | dev_err(zd_chip_dev(chip), "AL7230B is currently not " | |
264 | "supported for ZD1211B devices\n"); | |
265 | return -ENODEV; | |
266 | } | |
267 | ||
268 | rf->init_hw = al7230b_init_hw; | |
269 | rf->set_channel = al7230b_set_channel; | |
270 | rf->switch_radio_on = al7230b_switch_radio_on; | |
271 | rf->switch_radio_off = al7230b_switch_radio_off; | |
272 | rf->patch_6m_band_edge = 1; | |
273 | return 0; | |
274 | } |