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[PATCH] Net: add ath5k wireless driver
[linux-2.6/mini2440.git] / drivers / net / wireless / ath5k / phy.c
blobb9594179714157dbba272fede77218995852694c
1 /*
2 * PHY functions
3 *
4 * Copyright (c) 2004, 2005, 2006, 2007 Reyk Floeter <reyk@openbsd.org>
5 * Copyright (c) 2006, 2007 Nick Kossifidis <mickflemm@gmail.com>
6 * Copyright (c) 2007 Jiri Slaby <jirislaby@gmail.com>
7 *
8 * Permission to use, copy, modify, and distribute this software for any
9 * purpose with or without fee is hereby granted, provided that the above
10 * copyright notice and this permission notice appear in all copies.
11 *
12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
16 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19 *
20 */
21
22 #include <linux/delay.h>
23
24 #include "ath5k.h"
25 #include "reg.h"
26 #include "base.h"
27
28 /* Struct to hold initial RF register values (RF Banks) */
29 struct ath5k_ini_rf {
30 u8 rf_bank; /* check out ath5k_reg.h */
31 u16 rf_register; /* register address */
32 u32 rf_value[5]; /* register value for different modes (above) */
33 };
34
35 /*
36 * Mode-specific RF Gain table (64bytes) for RF5111/5112
37 * (RF5110 only comes with AR5210 and only supports a/turbo a mode so initial
38 * RF Gain values are included in AR5K_AR5210_INI)
39 */
40 struct ath5k_ini_rfgain {
41 u16 rfg_register; /* RF Gain register address */
42 u32 rfg_value[2]; /* [freq (see below)] */
43 };
44
45 struct ath5k_gain_opt {
46 u32 go_default;
47 u32 go_steps_count;
48 const struct ath5k_gain_opt_step go_step[AR5K_GAIN_STEP_COUNT];
49 };
50
51 /* RF5111 mode-specific init registers */
52 static const struct ath5k_ini_rf rfregs_5111[] = {
53 { 0, 0x989c,
54 /* mode a/XR mode aTurbo mode b mode g mode gTurbo */
55 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
56 { 0, 0x989c,
57 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
58 { 0, 0x989c,
59 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
60 { 0, 0x989c,
61 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
62 { 0, 0x989c,
63 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
64 { 0, 0x989c,
65 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
66 { 0, 0x989c,
67 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
68 { 0, 0x989c,
69 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
70 { 0, 0x989c,
71 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
72 { 0, 0x989c,
73 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
74 { 0, 0x989c,
75 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
76 { 0, 0x989c,
77 { 0x00380000, 0x00380000, 0x00380000, 0x00380000, 0x00380000 } },
78 { 0, 0x989c,
79 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
80 { 0, 0x989c,
81 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
82 { 0, 0x989c,
83 { 0x00000000, 0x00000000, 0x000000c0, 0x00000080, 0x00000080 } },
84 { 0, 0x989c,
85 { 0x000400f9, 0x000400f9, 0x000400ff, 0x000400fd, 0x000400fd } },
86 { 0, 0x98d4,
87 { 0x00000000, 0x00000000, 0x00000004, 0x00000004, 0x00000004 } },
88 { 1, 0x98d4,
89 { 0x00000020, 0x00000020, 0x00000020, 0x00000020, 0x00000020 } },
90 { 2, 0x98d4,
91 { 0x00000010, 0x00000014, 0x00000010, 0x00000010, 0x00000014 } },
92 { 3, 0x98d8,
93 { 0x00601068, 0x00601068, 0x00601068, 0x00601068, 0x00601068 } },
94 { 6, 0x989c,
95 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
96 { 6, 0x989c,
97 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
98 { 6, 0x989c,
99 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
100 { 6, 0x989c,
101 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
102 { 6, 0x989c,
103 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
104 { 6, 0x989c,
105 { 0x10000000, 0x10000000, 0x10000000, 0x10000000, 0x10000000 } },
106 { 6, 0x989c,
107 { 0x04000000, 0x04000000, 0x04000000, 0x04000000, 0x04000000 } },
108 { 6, 0x989c,
109 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
110 { 6, 0x989c,
111 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
112 { 6, 0x989c,
113 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
114 { 6, 0x989c,
115 { 0x00000000, 0x00000000, 0x0a000000, 0x00000000, 0x00000000 } },
116 { 6, 0x989c,
117 { 0x003800c0, 0x00380080, 0x023800c0, 0x003800c0, 0x003800c0 } },
118 { 6, 0x989c,
119 { 0x00020006, 0x00020006, 0x00000006, 0x00020006, 0x00020006 } },
120 { 6, 0x989c,
121 { 0x00000089, 0x00000089, 0x00000089, 0x00000089, 0x00000089 } },
122 { 6, 0x989c,
123 { 0x000000a0, 0x000000a0, 0x000000a0, 0x000000a0, 0x000000a0 } },
124 { 6, 0x989c,
125 { 0x00040007, 0x00040007, 0x00040007, 0x00040007, 0x00040007 } },
126 { 6, 0x98d4,
127 { 0x0000001a, 0x0000001a, 0x0000001a, 0x0000001a, 0x0000001a } },
128 { 7, 0x989c,
129 { 0x00000040, 0x00000048, 0x00000040, 0x00000040, 0x00000040 } },
130 { 7, 0x989c,
131 { 0x00000010, 0x00000010, 0x00000010, 0x00000010, 0x00000010 } },
132 { 7, 0x989c,
133 { 0x00000008, 0x00000008, 0x00000008, 0x00000008, 0x00000008 } },
134 { 7, 0x989c,
135 { 0x0000004f, 0x0000004f, 0x0000004f, 0x0000004f, 0x0000004f } },
136 { 7, 0x989c,
137 { 0x000000f1, 0x000000f1, 0x00000061, 0x000000f1, 0x000000f1 } },
138 { 7, 0x989c,
139 { 0x0000904f, 0x0000904f, 0x0000904c, 0x0000904f, 0x0000904f } },
140 { 7, 0x989c,
141 { 0x0000125a, 0x0000125a, 0x0000129a, 0x0000125a, 0x0000125a } },
142 { 7, 0x98cc,
143 { 0x0000000e, 0x0000000e, 0x0000000f, 0x0000000e, 0x0000000e } },
144 };
145
146 /* Initial RF Gain settings for RF5111 */
147 static const struct ath5k_ini_rfgain rfgain_5111[] = {
148 /* 5Ghz 2Ghz */
149 { AR5K_RF_GAIN(0), { 0x000001a9, 0x00000000 } },
150 { AR5K_RF_GAIN(1), { 0x000001e9, 0x00000040 } },
151 { AR5K_RF_GAIN(2), { 0x00000029, 0x00000080 } },
152 { AR5K_RF_GAIN(3), { 0x00000069, 0x00000150 } },
153 { AR5K_RF_GAIN(4), { 0x00000199, 0x00000190 } },
154 { AR5K_RF_GAIN(5), { 0x000001d9, 0x000001d0 } },
155 { AR5K_RF_GAIN(6), { 0x00000019, 0x00000010 } },
156 { AR5K_RF_GAIN(7), { 0x00000059, 0x00000044 } },
157 { AR5K_RF_GAIN(8), { 0x00000099, 0x00000084 } },
158 { AR5K_RF_GAIN(9), { 0x000001a5, 0x00000148 } },
159 { AR5K_RF_GAIN(10), { 0x000001e5, 0x00000188 } },
160 { AR5K_RF_GAIN(11), { 0x00000025, 0x000001c8 } },
161 { AR5K_RF_GAIN(12), { 0x000001c8, 0x00000014 } },
162 { AR5K_RF_GAIN(13), { 0x00000008, 0x00000042 } },
163 { AR5K_RF_GAIN(14), { 0x00000048, 0x00000082 } },
164 { AR5K_RF_GAIN(15), { 0x00000088, 0x00000178 } },
165 { AR5K_RF_GAIN(16), { 0x00000198, 0x000001b8 } },
166 { AR5K_RF_GAIN(17), { 0x000001d8, 0x000001f8 } },
167 { AR5K_RF_GAIN(18), { 0x00000018, 0x00000012 } },
168 { AR5K_RF_GAIN(19), { 0x00000058, 0x00000052 } },
169 { AR5K_RF_GAIN(20), { 0x00000098, 0x00000092 } },
170 { AR5K_RF_GAIN(21), { 0x000001a4, 0x0000017c } },
171 { AR5K_RF_GAIN(22), { 0x000001e4, 0x000001bc } },
172 { AR5K_RF_GAIN(23), { 0x00000024, 0x000001fc } },
173 { AR5K_RF_GAIN(24), { 0x00000064, 0x0000000a } },
174 { AR5K_RF_GAIN(25), { 0x000000a4, 0x0000004a } },
175 { AR5K_RF_GAIN(26), { 0x000000e4, 0x0000008a } },
176 { AR5K_RF_GAIN(27), { 0x0000010a, 0x0000015a } },
177 { AR5K_RF_GAIN(28), { 0x0000014a, 0x0000019a } },
178 { AR5K_RF_GAIN(29), { 0x0000018a, 0x000001da } },
179 { AR5K_RF_GAIN(30), { 0x000001ca, 0x0000000e } },
180 { AR5K_RF_GAIN(31), { 0x0000000a, 0x0000004e } },
181 { AR5K_RF_GAIN(32), { 0x0000004a, 0x0000008e } },
182 { AR5K_RF_GAIN(33), { 0x0000008a, 0x0000015e } },
183 { AR5K_RF_GAIN(34), { 0x000001ba, 0x0000019e } },
184 { AR5K_RF_GAIN(35), { 0x000001fa, 0x000001de } },
185 { AR5K_RF_GAIN(36), { 0x0000003a, 0x00000009 } },
186 { AR5K_RF_GAIN(37), { 0x0000007a, 0x00000049 } },
187 { AR5K_RF_GAIN(38), { 0x00000186, 0x00000089 } },
188 { AR5K_RF_GAIN(39), { 0x000001c6, 0x00000179 } },
189 { AR5K_RF_GAIN(40), { 0x00000006, 0x000001b9 } },
190 { AR5K_RF_GAIN(41), { 0x00000046, 0x000001f9 } },
191 { AR5K_RF_GAIN(42), { 0x00000086, 0x00000039 } },
192 { AR5K_RF_GAIN(43), { 0x000000c6, 0x00000079 } },
193 { AR5K_RF_GAIN(44), { 0x000000c6, 0x000000b9 } },
194 { AR5K_RF_GAIN(45), { 0x000000c6, 0x000001bd } },
195 { AR5K_RF_GAIN(46), { 0x000000c6, 0x000001fd } },
196 { AR5K_RF_GAIN(47), { 0x000000c6, 0x0000003d } },
197 { AR5K_RF_GAIN(48), { 0x000000c6, 0x0000007d } },
198 { AR5K_RF_GAIN(49), { 0x000000c6, 0x000000bd } },
199 { AR5K_RF_GAIN(50), { 0x000000c6, 0x000000fd } },
200 { AR5K_RF_GAIN(51), { 0x000000c6, 0x000000fd } },
201 { AR5K_RF_GAIN(52), { 0x000000c6, 0x000000fd } },
202 { AR5K_RF_GAIN(53), { 0x000000c6, 0x000000fd } },
203 { AR5K_RF_GAIN(54), { 0x000000c6, 0x000000fd } },
204 { AR5K_RF_GAIN(55), { 0x000000c6, 0x000000fd } },
205 { AR5K_RF_GAIN(56), { 0x000000c6, 0x000000fd } },
206 { AR5K_RF_GAIN(57), { 0x000000c6, 0x000000fd } },
207 { AR5K_RF_GAIN(58), { 0x000000c6, 0x000000fd } },
208 { AR5K_RF_GAIN(59), { 0x000000c6, 0x000000fd } },
209 { AR5K_RF_GAIN(60), { 0x000000c6, 0x000000fd } },
210 { AR5K_RF_GAIN(61), { 0x000000c6, 0x000000fd } },
211 { AR5K_RF_GAIN(62), { 0x000000c6, 0x000000fd } },
212 { AR5K_RF_GAIN(63), { 0x000000c6, 0x000000fd } },
213 };
214
215 static const struct ath5k_gain_opt rfgain_opt_5111 = {
216 4,
217 9,
218 {
219 { { 4, 1, 1, 1 }, 6 },
220 { { 4, 0, 1, 1 }, 4 },
221 { { 3, 1, 1, 1 }, 3 },
222 { { 4, 0, 0, 1 }, 1 },
223 { { 4, 1, 1, 0 }, 0 },
224 { { 4, 0, 1, 0 }, -2 },
225 { { 3, 1, 1, 0 }, -3 },
226 { { 4, 0, 0, 0 }, -4 },
227 { { 2, 1, 1, 0 }, -6 }
228 }
229 };
230
231 /* RF5112 mode-specific init registers */
232 static const struct ath5k_ini_rf rfregs_5112[] = {
233 { 1, 0x98d4,
234 /* mode a/XR mode aTurbo mode b mode g mode gTurbo */
235 { 0x00000020, 0x00000020, 0x00000020, 0x00000020, 0x00000020 } },
236 { 2, 0x98d0,
237 { 0x03060408, 0x03070408, 0x03060408, 0x03060408, 0x03070408 } },
238 { 3, 0x98dc,
239 { 0x00a0c0c0, 0x00a0c0c0, 0x00e0c0c0, 0x00e0c0c0, 0x00e0c0c0 } },
240 { 6, 0x989c,
241 { 0x00a00000, 0x00a00000, 0x00a00000, 0x00a00000, 0x00a00000 } },
242 { 6, 0x989c,
243 { 0x000a0000, 0x000a0000, 0x000a0000, 0x000a0000, 0x000a0000 } },
244 { 6, 0x989c,
245 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
246 { 6, 0x989c,
247 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
248 { 6, 0x989c,
249 { 0x00660000, 0x00660000, 0x00660000, 0x00660000, 0x00660000 } },
250 { 6, 0x989c,
251 { 0x00db0000, 0x00db0000, 0x00db0000, 0x00db0000, 0x00db0000 } },
252 { 6, 0x989c,
253 { 0x00f10000, 0x00f10000, 0x00f10000, 0x00f10000, 0x00f10000 } },
254 { 6, 0x989c,
255 { 0x00120000, 0x00120000, 0x00120000, 0x00120000, 0x00120000 } },
256 { 6, 0x989c,
257 { 0x00120000, 0x00120000, 0x00120000, 0x00120000, 0x00120000 } },
258 { 6, 0x989c,
259 { 0x00730000, 0x00730000, 0x00730000, 0x00730000, 0x00730000 } },
260 { 6, 0x989c,
261 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
262 { 6, 0x989c,
263 { 0x000c0000, 0x000c0000, 0x000c0000, 0x000c0000, 0x000c0000 } },
264 { 6, 0x989c,
265 { 0x00ff0000, 0x00ff0000, 0x00ff0000, 0x00ff0000, 0x00ff0000 } },
266 { 6, 0x989c,
267 { 0x00ff0000, 0x00ff0000, 0x00ff0000, 0x00ff0000, 0x00ff0000 } },
268 { 6, 0x989c,
269 { 0x008b0000, 0x008b0000, 0x008b0000, 0x008b0000, 0x008b0000 } },
270 { 6, 0x989c,
271 { 0x00600000, 0x00600000, 0x00600000, 0x00600000, 0x00600000 } },
272 { 6, 0x989c,
273 { 0x000c0000, 0x000c0000, 0x000c0000, 0x000c0000, 0x000c0000 } },
274 { 6, 0x989c,
275 { 0x00840000, 0x00840000, 0x00840000, 0x00840000, 0x00840000 } },
276 { 6, 0x989c,
277 { 0x00640000, 0x00640000, 0x00640000, 0x00640000, 0x00640000 } },
278 { 6, 0x989c,
279 { 0x00200000, 0x00200000, 0x00200000, 0x00200000, 0x00200000 } },
280 { 6, 0x989c,
281 { 0x00240000, 0x00240000, 0x00240000, 0x00240000, 0x00240000 } },
282 { 6, 0x989c,
283 { 0x00250000, 0x00250000, 0x00250000, 0x00250000, 0x00250000 } },
284 { 6, 0x989c,
285 { 0x00110000, 0x00110000, 0x00110000, 0x00110000, 0x00110000 } },
286 { 6, 0x989c,
287 { 0x00110000, 0x00110000, 0x00110000, 0x00110000, 0x00110000 } },
288 { 6, 0x989c,
289 { 0x00510000, 0x00510000, 0x00510000, 0x00510000, 0x00510000 } },
290 { 6, 0x989c,
291 { 0x1c040000, 0x1c040000, 0x1c040000, 0x1c040000, 0x1c040000 } },
292 { 6, 0x989c,
293 { 0x000a0000, 0x000a0000, 0x000a0000, 0x000a0000, 0x000a0000 } },
294 { 6, 0x989c,
295 { 0x00a10000, 0x00a10000, 0x00a10000, 0x00a10000, 0x00a10000 } },
296 { 6, 0x989c,
297 { 0x00400000, 0x00400000, 0x00400000, 0x00400000, 0x00400000 } },
298 { 6, 0x989c,
299 { 0x03090000, 0x03090000, 0x03090000, 0x03090000, 0x03090000 } },
300 { 6, 0x989c,
301 { 0x06000000, 0x06000000, 0x06000000, 0x06000000, 0x06000000 } },
302 { 6, 0x989c,
303 { 0x000000b0, 0x000000b0, 0x000000a8, 0x000000a8, 0x000000a8 } },
304 { 6, 0x989c,
305 { 0x0000002e, 0x0000002e, 0x0000002e, 0x0000002e, 0x0000002e } },
306 { 6, 0x989c,
307 { 0x006c4a41, 0x006c4a41, 0x006c4af1, 0x006c4a61, 0x006c4a61 } },
308 { 6, 0x989c,
309 { 0x0050892a, 0x0050892a, 0x0050892b, 0x0050892b, 0x0050892b } },
310 { 6, 0x989c,
311 { 0x00842400, 0x00842400, 0x00842400, 0x00842400, 0x00842400 } },
312 { 6, 0x989c,
313 { 0x00c69200, 0x00c69200, 0x00c69200, 0x00c69200, 0x00c69200 } },
314 { 6, 0x98d0,
315 { 0x0002000c, 0x0002000c, 0x0002000c, 0x0002000c, 0x0002000c } },
316 { 7, 0x989c,
317 { 0x00000094, 0x00000094, 0x00000094, 0x00000094, 0x00000094 } },
318 { 7, 0x989c,
319 { 0x00000091, 0x00000091, 0x00000091, 0x00000091, 0x00000091 } },
320 { 7, 0x989c,
321 { 0x0000000a, 0x0000000a, 0x00000012, 0x00000012, 0x00000012 } },
322 { 7, 0x989c,
323 { 0x00000080, 0x00000080, 0x00000080, 0x00000080, 0x00000080 } },
324 { 7, 0x989c,
325 { 0x000000c1, 0x000000c1, 0x000000c1, 0x000000c1, 0x000000c1 } },
326 { 7, 0x989c,
327 { 0x00000060, 0x00000060, 0x00000060, 0x00000060, 0x00000060 } },
328 { 7, 0x989c,
329 { 0x000000f0, 0x000000f0, 0x000000f0, 0x000000f0, 0x000000f0 } },
330 { 7, 0x989c,
331 { 0x00000022, 0x00000022, 0x00000022, 0x00000022, 0x00000022 } },
332 { 7, 0x989c,
333 { 0x00000092, 0x00000092, 0x00000092, 0x00000092, 0x00000092 } },
334 { 7, 0x989c,
335 { 0x000000d4, 0x000000d4, 0x000000d4, 0x000000d4, 0x000000d4 } },
336 { 7, 0x989c,
337 { 0x000014cc, 0x000014cc, 0x000014cc, 0x000014cc, 0x000014cc } },
338 { 7, 0x989c,
339 { 0x0000048c, 0x0000048c, 0x0000048c, 0x0000048c, 0x0000048c } },
340 { 7, 0x98c4,
341 { 0x00000003, 0x00000003, 0x00000003, 0x00000003, 0x00000003 } },
342 };
343
344 /* RF5112A mode-specific init registers */
345 static const struct ath5k_ini_rf rfregs_5112a[] = {
346 { 1, 0x98d4,
347 /* mode a/XR mode aTurbo mode b mode g mode gTurbo */
348 { 0x00000020, 0x00000020, 0x00000020, 0x00000020, 0x00000020 } },
349 { 2, 0x98d0,
350 { 0x03060408, 0x03070408, 0x03060408, 0x03060408, 0x03070408 } },
351 { 3, 0x98dc,
352 { 0x00a0c0c0, 0x00a0c0c0, 0x00e0c0c0, 0x00e0c0c0, 0x00e0c0c0 } },
353 { 6, 0x989c,
354 { 0x0f000000, 0x0f000000, 0x0f000000, 0x0f000000, 0x0f000000 } },
355 { 6, 0x989c,
356 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
357 { 6, 0x989c,
358 { 0x00800000, 0x00800000, 0x00800000, 0x00800000, 0x00800000 } },
359 { 6, 0x989c,
360 { 0x002a0000, 0x002a0000, 0x002a0000, 0x002a0000, 0x002a0000 } },
361 { 6, 0x989c,
362 { 0x00010000, 0x00010000, 0x00010000, 0x00010000, 0x00010000 } },
363 { 6, 0x989c,
364 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
365 { 6, 0x989c,
366 { 0x00180000, 0x00180000, 0x00180000, 0x00180000, 0x00180000 } },
367 { 6, 0x989c,
368 { 0x00600000, 0x00600000, 0x006e0000, 0x006e0000, 0x006e0000 } },
369 { 6, 0x989c,
370 { 0x00c70000, 0x00c70000, 0x00c70000, 0x00c70000, 0x00c70000 } },
371 { 6, 0x989c,
372 { 0x004b0000, 0x004b0000, 0x004b0000, 0x004b0000, 0x004b0000 } },
373 { 6, 0x989c,
374 { 0x04480000, 0x04480000, 0x04480000, 0x04480000, 0x04480000 } },
375 { 6, 0x989c,
376 { 0x00220000, 0x00220000, 0x00220000, 0x00220000, 0x00220000 } },
377 { 6, 0x989c,
378 { 0x00e40000, 0x00e40000, 0x00e40000, 0x00e40000, 0x00e40000 } },
379 { 6, 0x989c,
380 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
381 { 6, 0x989c,
382 { 0x00fc0000, 0x00fc0000, 0x00fc0000, 0x00fc0000, 0x00fc0000 } },
383 { 6, 0x989c,
384 { 0x00ff0000, 0x00ff0000, 0x00ff0000, 0x00ff0000, 0x00ff0000 } },
385 { 6, 0x989c,
386 { 0x043f0000, 0x043f0000, 0x043f0000, 0x043f0000, 0x043f0000 } },
387 { 6, 0x989c,
388 { 0x000c0000, 0x000c0000, 0x000c0000, 0x000c0000, 0x000c0000 } },
389 { 6, 0x989c,
390 { 0x00190000, 0x00190000, 0x00190000, 0x00190000, 0x00190000 } },
391 { 6, 0x989c,
392 { 0x00240000, 0x00240000, 0x00240000, 0x00240000, 0x00240000 } },
393 { 6, 0x989c,
394 { 0x00b40000, 0x00b40000, 0x00b40000, 0x00b40000, 0x00b40000 } },
395 { 6, 0x989c,
396 { 0x00990000, 0x00990000, 0x00990000, 0x00990000, 0x00990000 } },
397 { 6, 0x989c,
398 { 0x00500000, 0x00500000, 0x00500000, 0x00500000, 0x00500000 } },
399 { 6, 0x989c,
400 { 0x002a0000, 0x002a0000, 0x002a0000, 0x002a0000, 0x002a0000 } },
401 { 6, 0x989c,
402 { 0x00120000, 0x00120000, 0x00120000, 0x00120000, 0x00120000 } },
403 { 6, 0x989c,
404 { 0xc0320000, 0xc0320000, 0xc0320000, 0xc0320000, 0xc0320000 } },
405 { 6, 0x989c,
406 { 0x01740000, 0x01740000, 0x01740000, 0x01740000, 0x01740000 } },
407 { 6, 0x989c,
408 { 0x00110000, 0x00110000, 0x00110000, 0x00110000, 0x00110000 } },
409 { 6, 0x989c,
410 { 0x86280000, 0x86280000, 0x86280000, 0x86280000, 0x86280000 } },
411 { 6, 0x989c,
412 { 0x31840000, 0x31840000, 0x31840000, 0x31840000, 0x31840000 } },
413 { 6, 0x989c,
414 { 0x00020080, 0x00020080, 0x00020080, 0x00020080, 0x00020080 } },
415 { 6, 0x989c,
416 { 0x00080009, 0x00080009, 0x00080009, 0x00080009, 0x00080009 } },
417 { 6, 0x989c,
418 { 0x00000003, 0x00000003, 0x00000003, 0x00000003, 0x00000003 } },
419 { 6, 0x989c,
420 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
421 { 6, 0x989c,
422 { 0x000000b2, 0x000000b2, 0x000000b2, 0x000000b2, 0x000000b2 } },
423 { 6, 0x989c,
424 { 0x00b02084, 0x00b02084, 0x00b02084, 0x00b02084, 0x00b02084 } },
425 { 6, 0x989c,
426 { 0x004125a4, 0x004125a4, 0x004125a4, 0x004125a4, 0x004125a4 } },
427 { 6, 0x989c,
428 { 0x00119220, 0x00119220, 0x00119220, 0x00119220, 0x00119220 } },
429 { 6, 0x989c,
430 { 0x001a4800, 0x001a4800, 0x001a4800, 0x001a4800, 0x001a4800 } },
431 { 6, 0x98d8,
432 { 0x000b0230, 0x000b0230, 0x000b0230, 0x000b0230, 0x000b0230 } },
433 { 7, 0x989c,
434 { 0x00000094, 0x00000094, 0x00000094, 0x00000094, 0x00000094 } },
435 { 7, 0x989c,
436 { 0x00000091, 0x00000091, 0x00000091, 0x00000091, 0x00000091 } },
437 { 7, 0x989c,
438 { 0x00000012, 0x00000012, 0x00000012, 0x00000012, 0x00000012 } },
439 { 7, 0x989c,
440 { 0x00000080, 0x00000080, 0x00000080, 0x00000080, 0x00000080 } },
441 { 7, 0x989c,
442 { 0x000000d9, 0x000000d9, 0x000000d9, 0x000000d9, 0x000000d9 } },
443 { 7, 0x989c,
444 { 0x00000060, 0x00000060, 0x00000060, 0x00000060, 0x00000060 } },
445 { 7, 0x989c,
446 { 0x000000f0, 0x000000f0, 0x000000f0, 0x000000f0, 0x000000f0 } },
447 { 7, 0x989c,
448 { 0x000000a2, 0x000000a2, 0x000000a2, 0x000000a2, 0x000000a2 } },
449 { 7, 0x989c,
450 { 0x00000052, 0x00000052, 0x00000052, 0x00000052, 0x00000052 } },
451 { 7, 0x989c,
452 { 0x000000d4, 0x000000d4, 0x000000d4, 0x000000d4, 0x000000d4 } },
453 { 7, 0x989c,
454 { 0x000014cc, 0x000014cc, 0x000014cc, 0x000014cc, 0x000014cc } },
455 { 7, 0x989c,
456 { 0x0000048c, 0x0000048c, 0x0000048c, 0x0000048c, 0x0000048c } },
457 { 7, 0x98c4,
458 { 0x00000003, 0x00000003, 0x00000003, 0x00000003, 0x00000003 } },
459 };
460
461
462 static const struct ath5k_ini_rf rfregs_2112a[] = {
463 { 1, AR5K_RF_BUFFER_CONTROL_4,
464 /* mode b mode g mode gTurbo */
465 { 0x00000020, 0x00000020, 0x00000020 } },
466 { 2, AR5K_RF_BUFFER_CONTROL_3,
467 { 0x03060408, 0x03060408, 0x03070408 } },
468 { 3, AR5K_RF_BUFFER_CONTROL_6,
469 { 0x00e020c0, 0x00e020c0, 0x00e020c0 } },
470 { 6, AR5K_RF_BUFFER,
471 { 0x0a000000, 0x0a000000, 0x0a000000 } },
472 { 6, AR5K_RF_BUFFER,
473 { 0x00000000, 0x00000000, 0x00000000 } },
474 { 6, AR5K_RF_BUFFER,
475 { 0x00800000, 0x00800000, 0x00800000 } },
476 { 6, AR5K_RF_BUFFER,
477 { 0x002a0000, 0x002a0000, 0x002a0000 } },
478 { 6, AR5K_RF_BUFFER,
479 { 0x00010000, 0x00010000, 0x00010000 } },
480 { 6, AR5K_RF_BUFFER,
481 { 0x00000000, 0x00000000, 0x00000000 } },
482 { 6, AR5K_RF_BUFFER,
483 { 0x00180000, 0x00180000, 0x00180000 } },
484 { 6, AR5K_RF_BUFFER,
485 { 0x006e0000, 0x006e0000, 0x006e0000 } },
486 { 6, AR5K_RF_BUFFER,
487 { 0x00c70000, 0x00c70000, 0x00c70000 } },
488 { 6, AR5K_RF_BUFFER,
489 { 0x004b0000, 0x004b0000, 0x004b0000 } },
490 { 6, AR5K_RF_BUFFER,
491 { 0x04480000, 0x04480000, 0x04480000 } },
492 { 6, AR5K_RF_BUFFER,
493 { 0x002a0000, 0x002a0000, 0x002a0000 } },
494 { 6, AR5K_RF_BUFFER,
495 { 0x00e40000, 0x00e40000, 0x00e40000 } },
496 { 6, AR5K_RF_BUFFER,
497 { 0x00000000, 0x00000000, 0x00000000 } },
498 { 6, AR5K_RF_BUFFER,
499 { 0x00fc0000, 0x00fc0000, 0x00fc0000 } },
500 { 6, AR5K_RF_BUFFER,
501 { 0x00ff0000, 0x00ff0000, 0x00ff0000 } },
502 { 6, AR5K_RF_BUFFER,
503 { 0x043f0000, 0x043f0000, 0x043f0000 } },
504 { 6, AR5K_RF_BUFFER,
505 { 0x0c0c0000, 0x0c0c0000, 0x0c0c0000 } },
506 { 6, AR5K_RF_BUFFER,
507 { 0x02190000, 0x02190000, 0x02190000 } },
508 { 6, AR5K_RF_BUFFER,
509 { 0x00240000, 0x00240000, 0x00240000 } },
510 { 6, AR5K_RF_BUFFER,
511 { 0x00b40000, 0x00b40000, 0x00b40000 } },
512 { 6, AR5K_RF_BUFFER,
513 { 0x00990000, 0x00990000, 0x00990000 } },
514 { 6, AR5K_RF_BUFFER,
515 { 0x00500000, 0x00500000, 0x00500000 } },
516 { 6, AR5K_RF_BUFFER,
517 { 0x002a0000, 0x002a0000, 0x002a0000 } },
518 { 6, AR5K_RF_BUFFER,
519 { 0x00120000, 0x00120000, 0x00120000 } },
520 { 6, AR5K_RF_BUFFER,
521 { 0xc0320000, 0xc0320000, 0xc0320000 } },
522 { 6, AR5K_RF_BUFFER,
523 { 0x01740000, 0x01740000, 0x01740000 } },
524 { 6, AR5K_RF_BUFFER,
525 { 0x00110000, 0x00110000, 0x00110000 } },
526 { 6, AR5K_RF_BUFFER,
527 { 0x86280000, 0x86280000, 0x86280000 } },
528 { 6, AR5K_RF_BUFFER,
529 { 0x31840000, 0x31840000, 0x31840000 } },
530 { 6, AR5K_RF_BUFFER,
531 { 0x00f20080, 0x00f20080, 0x00f20080 } },
532 { 6, AR5K_RF_BUFFER,
533 { 0x00070019, 0x00070019, 0x00070019 } },
534 { 6, AR5K_RF_BUFFER,
535 { 0x00000000, 0x00000000, 0x00000000 } },
536 { 6, AR5K_RF_BUFFER,
537 { 0x00000000, 0x00000000, 0x00000000 } },
538 { 6, AR5K_RF_BUFFER,
539 { 0x000000b2, 0x000000b2, 0x000000b2 } },
540 { 6, AR5K_RF_BUFFER,
541 { 0x00b02184, 0x00b02184, 0x00b02184 } },
542 { 6, AR5K_RF_BUFFER,
543 { 0x004125a4, 0x004125a4, 0x004125a4 } },
544 { 6, AR5K_RF_BUFFER,
545 { 0x00119220, 0x00119220, 0x00119220 } },
546 { 6, AR5K_RF_BUFFER,
547 { 0x001a4800, 0x001a4800, 0x001a4800 } },
548 { 6, AR5K_RF_BUFFER_CONTROL_5,
549 { 0x000b0230, 0x000b0230, 0x000b0230 } },
550 { 7, AR5K_RF_BUFFER,
551 { 0x00000094, 0x00000094, 0x00000094 } },
552 { 7, AR5K_RF_BUFFER,
553 { 0x00000091, 0x00000091, 0x00000091 } },
554 { 7, AR5K_RF_BUFFER,
555 { 0x00000012, 0x00000012, 0x00000012 } },
556 { 7, AR5K_RF_BUFFER,
557 { 0x00000080, 0x00000080, 0x00000080 } },
558 { 7, AR5K_RF_BUFFER,
559 { 0x000000d9, 0x000000d9, 0x000000d9 } },
560 { 7, AR5K_RF_BUFFER,
561 { 0x00000060, 0x00000060, 0x00000060 } },
562 { 7, AR5K_RF_BUFFER,
563 { 0x000000f0, 0x000000f0, 0x000000f0 } },
564 { 7, AR5K_RF_BUFFER,
565 { 0x000000a2, 0x000000a2, 0x000000a2 } },
566 { 7, AR5K_RF_BUFFER,
567 { 0x00000052, 0x00000052, 0x00000052 } },
568 { 7, AR5K_RF_BUFFER,
569 { 0x000000d4, 0x000000d4, 0x000000d4 } },
570 { 7, AR5K_RF_BUFFER,
571 { 0x000014cc, 0x000014cc, 0x000014cc } },
572 { 7, AR5K_RF_BUFFER,
573 { 0x0000048c, 0x0000048c, 0x0000048c } },
574 { 7, AR5K_RF_BUFFER_CONTROL_1,
575 { 0x00000003, 0x00000003, 0x00000003 } },
576 };
577
578 /* RF5413/5414 mode-specific init registers */
579 static const struct ath5k_ini_rf rfregs_5413[] = {
580 { 1, 0x98d4,
581 /* mode a/XR mode aTurbo mode b mode g mode gTurbo */
582 { 0x00000020, 0x00000020, 0x00000020, 0x00000020, 0x00000020 } },
583 { 2, 0x98d0,
584 { 0x00000008, 0x00000008, 0x00000008, 0x00000008, 0x00000008 } },
585 { 3, 0x98dc,
586 { 0x00a000c0, 0x00a000c0, 0x00e000c0, 0x00e000c0, 0x00e000c0 } },
587 { 6, 0x989c,
588 { 0x33000000, 0x33000000, 0x33000000, 0x33000000, 0x33000000 } },
589 { 6, 0x989c,
590 { 0x01000000, 0x01000000, 0x01000000, 0x01000000, 0x01000000 } },
591 { 6, 0x989c,
592 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
593 { 6, 0x989c,
594 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
595 { 6, 0x989c,
596 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
597 { 6, 0x989c,
598 { 0x1f000000, 0x1f000000, 0x1f000000, 0x1f000000, 0x1f000000 } },
599 { 6, 0x989c,
600 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
601 { 6, 0x989c,
602 { 0x00b80000, 0x00b80000, 0x00b80000, 0x00b80000, 0x00b80000 } },
603 { 6, 0x989c,
604 { 0x00b70000, 0x00b70000, 0x00b70000, 0x00b70000, 0x00b70000 } },
605 { 6, 0x989c,
606 { 0x00840000, 0x00840000, 0x00840000, 0x00840000, 0x00840000 } },
607 { 6, 0x989c,
608 { 0x00980000, 0x00980000, 0x00980000, 0x00980000, 0x00980000 } },
609 { 6, 0x989c,
610 { 0x00c00000, 0x00c00000, 0x00c00000, 0x00c00000, 0x00c00000 } },
611 { 6, 0x989c,
612 { 0x00ff0000, 0x00ff0000, 0x00ff0000, 0x00ff0000, 0x00ff0000 } },
613 { 6, 0x989c,
614 { 0x00ff0000, 0x00ff0000, 0x00ff0000, 0x00ff0000, 0x00ff0000 } },
615 { 6, 0x989c,
616 { 0x00ff0000, 0x00ff0000, 0x00ff0000, 0x00ff0000, 0x00ff0000 } },
617 { 6, 0x989c,
618 { 0x00ff0000, 0x00ff0000, 0x00ff0000, 0x00ff0000, 0x00ff0000 } },
619 { 6, 0x989c,
620 { 0x00d70000, 0x00d70000, 0x00d70000, 0x00d70000, 0x00d70000 } },
621 { 6, 0x989c,
622 { 0x00610000, 0x00610000, 0x00610000, 0x00610000, 0x00610000 } },
623 { 6, 0x989c,
624 { 0x00fe0000, 0x00fe0000, 0x00fe0000, 0x00fe0000, 0x00fe0000 } },
625 { 6, 0x989c,
626 { 0x00de0000, 0x00de0000, 0x00de0000, 0x00de0000, 0x00de0000 } },
627 { 6, 0x989c,
628 { 0x007f0000, 0x007f0000, 0x007f0000, 0x007f0000, 0x007f0000 } },
629 { 6, 0x989c,
630 { 0x043d0000, 0x043d0000, 0x043d0000, 0x043d0000, 0x043d0000 } },
631 { 6, 0x989c,
632 { 0x00770000, 0x00770000, 0x00770000, 0x00770000, 0x00770000 } },
633 { 6, 0x989c,
634 { 0x00440000, 0x00440000, 0x00440000, 0x00440000, 0x00440000 } },
635 { 6, 0x989c,
636 { 0x00980000, 0x00980000, 0x00980000, 0x00980000, 0x00980000 } },
637 { 6, 0x989c,
638 { 0x00100080, 0x00100080, 0x00100080, 0x00100080, 0x00100080 } },
639 { 6, 0x989c,
640 { 0x0005c034, 0x0005c034, 0x0005c034, 0x0005c034, 0x0005c034 } },
641 { 6, 0x989c,
642 { 0x003100f0, 0x003100f0, 0x003100f0, 0x003100f0, 0x003100f0 } },
643 { 6, 0x989c,
644 { 0x000c011f, 0x000c011f, 0x000c011f, 0x000c011f, 0x000c011f } },
645 { 6, 0x989c,
646 { 0x00510040, 0x00510040, 0x005100a0, 0x005100a0, 0x005100a0 } },
647 { 6, 0x989c,
648 { 0x0050006a, 0x0050006a, 0x005000dd, 0x005000dd, 0x005000dd } },
649 { 6, 0x989c,
650 { 0x00000001, 0x00000001, 0x00000000, 0x00000000, 0x00000000 } },
651 { 6, 0x989c,
652 { 0x00004044, 0x00004044, 0x00004044, 0x00004044, 0x00004044 } },
653 { 6, 0x989c,
654 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
655 { 6, 0x989c,
656 { 0x000060c0, 0x000060c0, 0x000060c0, 0x000060c0, 0x000060c0 } },
657 { 6, 0x989c,
658 { 0x00002c00, 0x00002c00, 0x00003600, 0x00003600, 0x00003600 } },
659 { 6, 0x98c8,
660 { 0x00000403, 0x00000403, 0x00040403, 0x00040403, 0x00040403 } },
661 { 7, 0x989c,
662 { 0x00006400, 0x00006400, 0x00006400, 0x00006400, 0x00006400 } },
663 { 7, 0x989c,
664 { 0x00000800, 0x00000800, 0x00000800, 0x00000800, 0x00000800 } },
665 { 7, 0x98cc,
666 { 0x0000000e, 0x0000000e, 0x0000000e, 0x0000000e, 0x0000000e } },
667 };
668
669
670 /* Initial RF Gain settings for RF5112 */
671 static const struct ath5k_ini_rfgain rfgain_5112[] = {
672 /* 5Ghz 2Ghz */
673 { AR5K_RF_GAIN(0), { 0x00000007, 0x00000007 } },
674 { AR5K_RF_GAIN(1), { 0x00000047, 0x00000047 } },
675 { AR5K_RF_GAIN(2), { 0x00000087, 0x00000087 } },
676 { AR5K_RF_GAIN(3), { 0x000001a0, 0x000001a0 } },
677 { AR5K_RF_GAIN(4), { 0x000001e0, 0x000001e0 } },
678 { AR5K_RF_GAIN(5), { 0x00000020, 0x00000020 } },
679 { AR5K_RF_GAIN(6), { 0x00000060, 0x00000060 } },
680 { AR5K_RF_GAIN(7), { 0x000001a1, 0x000001a1 } },
681 { AR5K_RF_GAIN(8), { 0x000001e1, 0x000001e1 } },
682 { AR5K_RF_GAIN(9), { 0x00000021, 0x00000021 } },
683 { AR5K_RF_GAIN(10), { 0x00000061, 0x00000061 } },
684 { AR5K_RF_GAIN(11), { 0x00000162, 0x00000162 } },
685 { AR5K_RF_GAIN(12), { 0x000001a2, 0x000001a2 } },
686 { AR5K_RF_GAIN(13), { 0x000001e2, 0x000001e2 } },
687 { AR5K_RF_GAIN(14), { 0x00000022, 0x00000022 } },
688 { AR5K_RF_GAIN(15), { 0x00000062, 0x00000062 } },
689 { AR5K_RF_GAIN(16), { 0x00000163, 0x00000163 } },
690 { AR5K_RF_GAIN(17), { 0x000001a3, 0x000001a3 } },
691 { AR5K_RF_GAIN(18), { 0x000001e3, 0x000001e3 } },
692 { AR5K_RF_GAIN(19), { 0x00000023, 0x00000023 } },
693 { AR5K_RF_GAIN(20), { 0x00000063, 0x00000063 } },
694 { AR5K_RF_GAIN(21), { 0x00000184, 0x00000184 } },
695 { AR5K_RF_GAIN(22), { 0x000001c4, 0x000001c4 } },
696 { AR5K_RF_GAIN(23), { 0x00000004, 0x00000004 } },
697 { AR5K_RF_GAIN(24), { 0x000001ea, 0x0000000b } },
698 { AR5K_RF_GAIN(25), { 0x0000002a, 0x0000004b } },
699 { AR5K_RF_GAIN(26), { 0x0000006a, 0x0000008b } },
700 { AR5K_RF_GAIN(27), { 0x000000aa, 0x000001ac } },
701 { AR5K_RF_GAIN(28), { 0x000001ab, 0x000001ec } },
702 { AR5K_RF_GAIN(29), { 0x000001eb, 0x0000002c } },
703 { AR5K_RF_GAIN(30), { 0x0000002b, 0x00000012 } },
704 { AR5K_RF_GAIN(31), { 0x0000006b, 0x00000052 } },
705 { AR5K_RF_GAIN(32), { 0x000000ab, 0x00000092 } },
706 { AR5K_RF_GAIN(33), { 0x000001ac, 0x00000193 } },
707 { AR5K_RF_GAIN(34), { 0x000001ec, 0x000001d3 } },
708 { AR5K_RF_GAIN(35), { 0x0000002c, 0x00000013 } },
709 { AR5K_RF_GAIN(36), { 0x0000003a, 0x00000053 } },
710 { AR5K_RF_GAIN(37), { 0x0000007a, 0x00000093 } },
711 { AR5K_RF_GAIN(38), { 0x000000ba, 0x00000194 } },
712 { AR5K_RF_GAIN(39), { 0x000001bb, 0x000001d4 } },
713 { AR5K_RF_GAIN(40), { 0x000001fb, 0x00000014 } },
714 { AR5K_RF_GAIN(41), { 0x0000003b, 0x0000003a } },
715 { AR5K_RF_GAIN(42), { 0x0000007b, 0x0000007a } },
716 { AR5K_RF_GAIN(43), { 0x000000bb, 0x000000ba } },
717 { AR5K_RF_GAIN(44), { 0x000001bc, 0x000001bb } },
718 { AR5K_RF_GAIN(45), { 0x000001fc, 0x000001fb } },
719 { AR5K_RF_GAIN(46), { 0x0000003c, 0x0000003b } },
720 { AR5K_RF_GAIN(47), { 0x0000007c, 0x0000007b } },
721 { AR5K_RF_GAIN(48), { 0x000000bc, 0x000000bb } },
722 { AR5K_RF_GAIN(49), { 0x000000fc, 0x000001bc } },
723 { AR5K_RF_GAIN(50), { 0x000000fc, 0x000001fc } },
724 { AR5K_RF_GAIN(51), { 0x000000fc, 0x0000003c } },
725 { AR5K_RF_GAIN(52), { 0x000000fc, 0x0000007c } },
726 { AR5K_RF_GAIN(53), { 0x000000fc, 0x000000bc } },
727 { AR5K_RF_GAIN(54), { 0x000000fc, 0x000000fc } },
728 { AR5K_RF_GAIN(55), { 0x000000fc, 0x000000fc } },
729 { AR5K_RF_GAIN(56), { 0x000000fc, 0x000000fc } },
730 { AR5K_RF_GAIN(57), { 0x000000fc, 0x000000fc } },
731 { AR5K_RF_GAIN(58), { 0x000000fc, 0x000000fc } },
732 { AR5K_RF_GAIN(59), { 0x000000fc, 0x000000fc } },
733 { AR5K_RF_GAIN(60), { 0x000000fc, 0x000000fc } },
734 { AR5K_RF_GAIN(61), { 0x000000fc, 0x000000fc } },
735 { AR5K_RF_GAIN(62), { 0x000000fc, 0x000000fc } },
736 { AR5K_RF_GAIN(63), { 0x000000fc, 0x000000fc } },
737 };
738
739 /* Initial RF Gain settings for RF5413 */
740 static const struct ath5k_ini_rfgain rfgain_5413[] = {
741 /* 5Ghz 2Ghz */
742 { AR5K_RF_GAIN(0), { 0x00000000, 0x00000000 } },
743 { AR5K_RF_GAIN(1), { 0x00000040, 0x00000040 } },
744 { AR5K_RF_GAIN(2), { 0x00000080, 0x00000080 } },
745 { AR5K_RF_GAIN(3), { 0x000001a1, 0x00000161 } },
746 { AR5K_RF_GAIN(4), { 0x000001e1, 0x000001a1 } },
747 { AR5K_RF_GAIN(5), { 0x00000021, 0x000001e1 } },
748 { AR5K_RF_GAIN(6), { 0x00000061, 0x00000021 } },
749 { AR5K_RF_GAIN(7), { 0x00000188, 0x00000061 } },
750 { AR5K_RF_GAIN(8), { 0x000001c8, 0x00000188 } },
751 { AR5K_RF_GAIN(9), { 0x00000008, 0x000001c8 } },
752 { AR5K_RF_GAIN(10), { 0x00000048, 0x00000008 } },
753 { AR5K_RF_GAIN(11), { 0x00000088, 0x00000048 } },
754 { AR5K_RF_GAIN(12), { 0x000001a9, 0x00000088 } },
755 { AR5K_RF_GAIN(13), { 0x000001e9, 0x00000169 } },
756 { AR5K_RF_GAIN(14), { 0x00000029, 0x000001a9 } },
757 { AR5K_RF_GAIN(15), { 0x00000069, 0x000001e9 } },
758 { AR5K_RF_GAIN(16), { 0x000001d0, 0x00000029 } },
759 { AR5K_RF_GAIN(17), { 0x00000010, 0x00000069 } },
760 { AR5K_RF_GAIN(18), { 0x00000050, 0x00000190 } },
761 { AR5K_RF_GAIN(19), { 0x00000090, 0x000001d0 } },
762 { AR5K_RF_GAIN(20), { 0x000001b1, 0x00000010 } },
763 { AR5K_RF_GAIN(21), { 0x000001f1, 0x00000050 } },
764 { AR5K_RF_GAIN(22), { 0x00000031, 0x00000090 } },
765 { AR5K_RF_GAIN(23), { 0x00000071, 0x00000171 } },
766 { AR5K_RF_GAIN(24), { 0x000001b8, 0x000001b1 } },
767 { AR5K_RF_GAIN(25), { 0x000001f8, 0x000001f1 } },
768 { AR5K_RF_GAIN(26), { 0x00000038, 0x00000031 } },
769 { AR5K_RF_GAIN(27), { 0x00000078, 0x00000071 } },
770 { AR5K_RF_GAIN(28), { 0x00000199, 0x00000198 } },
771 { AR5K_RF_GAIN(29), { 0x000001d9, 0x000001d8 } },
772 { AR5K_RF_GAIN(30), { 0x00000019, 0x00000018 } },
773 { AR5K_RF_GAIN(31), { 0x00000059, 0x00000058 } },
774 { AR5K_RF_GAIN(32), { 0x00000099, 0x00000098 } },
775 { AR5K_RF_GAIN(33), { 0x000000d9, 0x00000179 } },
776 { AR5K_RF_GAIN(34), { 0x000000f9, 0x000001b9 } },
777 { AR5K_RF_GAIN(35), { 0x000000f9, 0x000001f9 } },
778 { AR5K_RF_GAIN(36), { 0x000000f9, 0x00000039 } },
779 { AR5K_RF_GAIN(37), { 0x000000f9, 0x00000079 } },
780 { AR5K_RF_GAIN(38), { 0x000000f9, 0x000000b9 } },
781 { AR5K_RF_GAIN(39), { 0x000000f9, 0x000000f9 } },
782 { AR5K_RF_GAIN(40), { 0x000000f9, 0x000000f9 } },
783 { AR5K_RF_GAIN(41), { 0x000000f9, 0x000000f9 } },
784 { AR5K_RF_GAIN(42), { 0x000000f9, 0x000000f9 } },
785 { AR5K_RF_GAIN(43), { 0x000000f9, 0x000000f9 } },
786 { AR5K_RF_GAIN(44), { 0x000000f9, 0x000000f9 } },
787 { AR5K_RF_GAIN(45), { 0x000000f9, 0x000000f9 } },
788 { AR5K_RF_GAIN(46), { 0x000000f9, 0x000000f9 } },
789 { AR5K_RF_GAIN(47), { 0x000000f9, 0x000000f9 } },
790 { AR5K_RF_GAIN(48), { 0x000000f9, 0x000000f9 } },
791 { AR5K_RF_GAIN(49), { 0x000000f9, 0x000000f9 } },
792 { AR5K_RF_GAIN(50), { 0x000000f9, 0x000000f9 } },
793 { AR5K_RF_GAIN(51), { 0x000000f9, 0x000000f9 } },
794 { AR5K_RF_GAIN(52), { 0x000000f9, 0x000000f9 } },
795 { AR5K_RF_GAIN(53), { 0x000000f9, 0x000000f9 } },
796 { AR5K_RF_GAIN(54), { 0x000000f9, 0x000000f9 } },
797 { AR5K_RF_GAIN(55), { 0x000000f9, 0x000000f9 } },
798 { AR5K_RF_GAIN(56), { 0x000000f9, 0x000000f9 } },
799 { AR5K_RF_GAIN(57), { 0x000000f9, 0x000000f9 } },
800 { AR5K_RF_GAIN(58), { 0x000000f9, 0x000000f9 } },
801 { AR5K_RF_GAIN(59), { 0x000000f9, 0x000000f9 } },
802 { AR5K_RF_GAIN(60), { 0x000000f9, 0x000000f9 } },
803 { AR5K_RF_GAIN(61), { 0x000000f9, 0x000000f9 } },
804 { AR5K_RF_GAIN(62), { 0x000000f9, 0x000000f9 } },
805 { AR5K_RF_GAIN(63), { 0x000000f9, 0x000000f9 } },
806 };
807
808 static const struct ath5k_gain_opt rfgain_opt_5112 = {
809 1,
810 8,
811 {
812 { { 3, 0, 0, 0, 0, 0, 0 }, 6 },
813 { { 2, 0, 0, 0, 0, 0, 0 }, 0 },
814 { { 1, 0, 0, 0, 0, 0, 0 }, -3 },
815 { { 0, 0, 0, 0, 0, 0, 0 }, -6 },
816 { { 0, 1, 1, 0, 0, 0, 0 }, -8 },
817 { { 0, 1, 1, 0, 1, 1, 0 }, -10 },
818 { { 0, 1, 0, 1, 1, 1, 0 }, -13 },
819 { { 0, 1, 0, 1, 1, 0, 1 }, -16 },
820 }
821 };
822
823 /*
824 * Used to modify RF Banks before writing them to AR5K_RF_BUFFER
825 */
826 static unsigned int ath5k_hw_rfregs_op(u32 *rf, u32 offset, u32 reg, u32 bits,
827 u32 first, u32 col, bool set)
828 {
829 u32 mask, entry, last, data, shift, position;
830 s32 left;
831 int i;
832
833 data = 0;
834
835 if (rf == NULL)
836 /* should not happen */
837 return 0;
838
839 if (!(col <= 3 && bits <= 32 && first + bits <= 319)) {
840 ATH5K_PRINTF("invalid values at offset %u\n", offset);
841 return 0;
842 }
843
844 entry = ((first - 1) / 8) + offset;
845 position = (first - 1) % 8;
846
847 if (set == true)
848 data = ath5k_hw_bitswap(reg, bits);
849
850 for (i = shift = 0, left = bits; left > 0; position = 0, entry++, i++) {
851 last = (position + left > 8) ? 8 : position + left;
852 mask = (((1 << last) - 1) ^ ((1 << position) - 1)) << (col * 8);
853
854 if (set == true) {
855 rf[entry] &= ~mask;
856 rf[entry] |= ((data << position) << (col * 8)) & mask;
857 data >>= (8 - position);
858 } else {
859 data = (((rf[entry] & mask) >> (col * 8)) >> position)
860 << shift;
861 shift += last - position;
862 }
863
864 left -= 8 - position;
865 }
866
867 data = set == true ? 1 : ath5k_hw_bitswap(data, bits);
868
869 return data;
870 }
871
872 static u32 ath5k_hw_rfregs_gainf_corr(struct ath5k_hw *ah)
873 {
874 u32 mix, step;
875 u32 *rf;
876
877 if (ah->ah_rf_banks == NULL)
878 return 0;
879
880 rf = ah->ah_rf_banks;
881 ah->ah_gain.g_f_corr = 0;
882
883 if (ath5k_hw_rfregs_op(rf, ah->ah_offset[7], 0, 1, 36, 0, false) != 1)
884 return 0;
885
886 step = ath5k_hw_rfregs_op(rf, ah->ah_offset[7], 0, 4, 32, 0, false);
887 mix = ah->ah_gain.g_step->gos_param[0];
888
889 switch (mix) {
890 case 3:
891 ah->ah_gain.g_f_corr = step * 2;
892 break;
893 case 2:
894 ah->ah_gain.g_f_corr = (step - 5) * 2;
895 break;
896 case 1:
897 ah->ah_gain.g_f_corr = step;
898 break;
899 default:
900 ah->ah_gain.g_f_corr = 0;
901 break;
902 }
903
904 return ah->ah_gain.g_f_corr;
905 }
906
907 static bool ath5k_hw_rfregs_gain_readback(struct ath5k_hw *ah)
908 {
909 u32 step, mix, level[4];
910 u32 *rf;
911
912 if (ah->ah_rf_banks == NULL)
913 return false;
914
915 rf = ah->ah_rf_banks;
916
917 if (ah->ah_radio == AR5K_RF5111) {
918 step = ath5k_hw_rfregs_op(rf, ah->ah_offset[7], 0, 6, 37, 0,
919 false);
920 level[0] = 0;
921 level[1] = (step == 0x3f) ? 0x32 : step + 4;
922 level[2] = (step != 0x3f) ? 0x40 : level[0];
923 level[3] = level[2] + 0x32;
924
925 ah->ah_gain.g_high = level[3] -
926 (step == 0x3f ? AR5K_GAIN_DYN_ADJUST_HI_MARGIN : -5);
927 ah->ah_gain.g_low = level[0] +
928 (step == 0x3f ? AR5K_GAIN_DYN_ADJUST_LO_MARGIN : 0);
929 } else {
930 mix = ath5k_hw_rfregs_op(rf, ah->ah_offset[7], 0, 1, 36, 0,
931 false);
932 level[0] = level[2] = 0;
933
934 if (mix == 1) {
935 level[1] = level[3] = 83;
936 } else {
937 level[1] = level[3] = 107;
938 ah->ah_gain.g_high = 55;
939 }
940 }
941
942 return (ah->ah_gain.g_current >= level[0] &&
943 ah->ah_gain.g_current <= level[1]) ||
944 (ah->ah_gain.g_current >= level[2] &&
945 ah->ah_gain.g_current <= level[3]);
946 }
947
948 static s32 ath5k_hw_rfregs_gain_adjust(struct ath5k_hw *ah)
949 {
950 const struct ath5k_gain_opt *go;
951 int ret = 0;
952
953 switch (ah->ah_radio) {
954 case AR5K_RF5111:
955 go = &rfgain_opt_5111;
956 break;
957 case AR5K_RF5112:
958 case AR5K_RF5413: /* ??? */
959 go = &rfgain_opt_5112;
960 break;
961 default:
962 return 0;
963 }
964
965 ah->ah_gain.g_step = &go->go_step[ah->ah_gain.g_step_idx];
966
967 if (ah->ah_gain.g_current >= ah->ah_gain.g_high) {
968 if (ah->ah_gain.g_step_idx == 0)
969 return -1;
970 for (ah->ah_gain.g_target = ah->ah_gain.g_current;
971 ah->ah_gain.g_target >= ah->ah_gain.g_high &&
972 ah->ah_gain.g_step_idx > 0;
973 ah->ah_gain.g_step =
974 &go->go_step[ah->ah_gain.g_step_idx])
975 ah->ah_gain.g_target -= 2 *
976 (go->go_step[--(ah->ah_gain.g_step_idx)].gos_gain -
977 ah->ah_gain.g_step->gos_gain);
978
979 ret = 1;
980 goto done;
981 }
982
983 if (ah->ah_gain.g_current <= ah->ah_gain.g_low) {
984 if (ah->ah_gain.g_step_idx == (go->go_steps_count - 1))
985 return -2;
986 for (ah->ah_gain.g_target = ah->ah_gain.g_current;
987 ah->ah_gain.g_target <= ah->ah_gain.g_low &&
988 ah->ah_gain.g_step_idx < go->go_steps_count-1;
989 ah->ah_gain.g_step =
990 &go->go_step[ah->ah_gain.g_step_idx])
991 ah->ah_gain.g_target -= 2 *
992 (go->go_step[++ah->ah_gain.g_step_idx].gos_gain -
993 ah->ah_gain.g_step->gos_gain);
994
995 ret = 2;
996 goto done;
997 }
998
999 done:
1000 ATH5K_DBG(ah->ah_sc, ATH5K_DEBUG_CALIBRATE,
1001 "ret %d, gain step %u, current gain %u, target gain %u\n",
1002 ret, ah->ah_gain.g_step_idx, ah->ah_gain.g_current,
1003 ah->ah_gain.g_target);
1004
1005 return ret;
1006 }
1007
1008 /*
1009 * Read EEPROM Calibration data, modify RF Banks and Initialize RF5111
1010 */
1011 static int ath5k_hw_rf5111_rfregs(struct ath5k_hw *ah,
1012 struct ieee80211_channel *channel, unsigned int mode)
1013 {
1014 struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
1015 u32 *rf;
1016 const unsigned int rf_size = ARRAY_SIZE(rfregs_5111);
1017 unsigned int i;
1018 int obdb = -1, bank = -1;
1019 u32 ee_mode;
1020
1021 AR5K_ASSERT_ENTRY(mode, AR5K_INI_VAL_MAX);
1022
1023 rf = ah->ah_rf_banks;
1024
1025 /* Copy values to modify them */
1026 for (i = 0; i < rf_size; i++) {
1027 if (rfregs_5111[i].rf_bank >= AR5K_RF5111_INI_RF_MAX_BANKS) {
1028 ATH5K_ERR(ah->ah_sc, "invalid bank\n");
1029 return -EINVAL;
1030 }
1031
1032 if (bank != rfregs_5111[i].rf_bank) {
1033 bank = rfregs_5111[i].rf_bank;
1034 ah->ah_offset[bank] = i;
1035 }
1036
1037 rf[i] = rfregs_5111[i].rf_value[mode];
1038 }
1039
1040 /* Modify bank 0 */
1041 if (channel->val & CHANNEL_2GHZ) {
1042 if (channel->val & CHANNEL_CCK)
1043 ee_mode = AR5K_EEPROM_MODE_11B;
1044 else
1045 ee_mode = AR5K_EEPROM_MODE_11G;
1046 obdb = 0;
1047
1048 if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[0],
1049 ee->ee_ob[ee_mode][obdb], 3, 119, 0, true))
1050 return -EINVAL;
1051
1052 if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[0],
1053 ee->ee_ob[ee_mode][obdb], 3, 122, 0, true))
1054 return -EINVAL;
1055
1056 obdb = 1;
1057 /* Modify bank 6 */
1058 } else {
1059 /* For 11a, Turbo and XR */
1060 ee_mode = AR5K_EEPROM_MODE_11A;
1061 obdb = channel->freq >= 5725 ? 3 :
1062 (channel->freq >= 5500 ? 2 :
1063 (channel->freq >= 5260 ? 1 :
1064 (channel->freq > 4000 ? 0 : -1)));
1065
1066 if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[6],
1067 ee->ee_pwd_84, 1, 51, 3, true))
1068 return -EINVAL;
1069
1070 if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[6],
1071 ee->ee_pwd_90, 1, 45, 3, true))
1072 return -EINVAL;
1073 }
1074
1075 if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[6],
1076 !ee->ee_xpd[ee_mode], 1, 95, 0, true))
1077 return -EINVAL;
1078
1079 if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[6],
1080 ee->ee_x_gain[ee_mode], 4, 96, 0, true))
1081 return -EINVAL;
1082
1083 if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[6], obdb >= 0 ?
1084 ee->ee_ob[ee_mode][obdb] : 0, 3, 104, 0, true))
1085 return -EINVAL;
1086
1087 if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[6], obdb >= 0 ?
1088 ee->ee_db[ee_mode][obdb] : 0, 3, 107, 0, true))
1089 return -EINVAL;
1090
1091 /* Modify bank 7 */
1092 if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[7],
1093 ee->ee_i_gain[ee_mode], 6, 29, 0, true))
1094 return -EINVAL;
1095
1096 if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[7],
1097 ee->ee_xpd[ee_mode], 1, 4, 0, true))
1098 return -EINVAL;
1099
1100 /* Write RF values */
1101 for (i = 0; i < rf_size; i++) {
1102 AR5K_REG_WAIT(i);
1103 ath5k_hw_reg_write(ah, rf[i], rfregs_5111[i].rf_register);
1104 }
1105
1106 return 0;
1107 }
1108
1109 /*
1110 * Read EEPROM Calibration data, modify RF Banks and Initialize RF5112
1111 */
1112 static int ath5k_hw_rf5112_rfregs(struct ath5k_hw *ah,
1113 struct ieee80211_channel *channel, unsigned int mode)
1114 {
1115 const struct ath5k_ini_rf *rf_ini;
1116 struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
1117 u32 *rf;
1118 unsigned int rf_size, i;
1119 int obdb = -1, bank = -1;
1120 u32 ee_mode;
1121
1122 AR5K_ASSERT_ENTRY(mode, AR5K_INI_VAL_MAX);
1123
1124 rf = ah->ah_rf_banks;
1125
1126 if (ah->ah_radio_5ghz_revision >= AR5K_SREV_RAD_2112A
1127 && !test_bit(MODE_IEEE80211A, ah->ah_capabilities.cap_mode)){
1128 rf_ini = rfregs_2112a;
1129 rf_size = ARRAY_SIZE(rfregs_5112a);
1130 if (mode < 2) {
1131 ATH5K_ERR(ah->ah_sc,"invalid channel mode: %i\n",mode);
1132 return -EINVAL;
1133 }
1134 mode = mode - 2; /*no a/turboa modes for 2112*/
1135 } else if (ah->ah_radio_5ghz_revision >= AR5K_SREV_RAD_5112A) {
1136 rf_ini = rfregs_5112a;
1137 rf_size = ARRAY_SIZE(rfregs_5112a);
1138 } else {
1139 rf_ini = rfregs_5112;
1140 rf_size = ARRAY_SIZE(rfregs_5112);
1141 }
1142
1143 /* Copy values to modify them */
1144 for (i = 0; i < rf_size; i++) {
1145 if (rf_ini[i].rf_bank >= AR5K_RF5112_INI_RF_MAX_BANKS) {
1146 ATH5K_ERR(ah->ah_sc, "invalid bank\n");
1147 return -EINVAL;
1148 }
1149
1150 if (bank != rf_ini[i].rf_bank) {
1151 bank = rf_ini[i].rf_bank;
1152 ah->ah_offset[bank] = i;
1153 }
1154
1155 rf[i] = rf_ini[i].rf_value[mode];
1156 }
1157
1158 /* Modify bank 6 */
1159 if (channel->val & CHANNEL_2GHZ) {
1160 if (channel->val & CHANNEL_OFDM)
1161 ee_mode = AR5K_EEPROM_MODE_11G;
1162 else
1163 ee_mode = AR5K_EEPROM_MODE_11B;
1164 obdb = 0;
1165
1166 if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[6],
1167 ee->ee_ob[ee_mode][obdb], 3, 287, 0, true))
1168 return -EINVAL;
1169
1170 if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[6],
1171 ee->ee_ob[ee_mode][obdb], 3, 290, 0, true))
1172 return -EINVAL;
1173 } else {
1174 /* For 11a, Turbo and XR */
1175 ee_mode = AR5K_EEPROM_MODE_11A;
1176 obdb = channel->freq >= 5725 ? 3 :
1177 (channel->freq >= 5500 ? 2 :
1178 (channel->freq >= 5260 ? 1 :
1179 (channel->freq > 4000 ? 0 : -1)));
1180
1181 if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[6],
1182 ee->ee_ob[ee_mode][obdb], 3, 279, 0, true))
1183 return -EINVAL;
1184
1185 if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[6],
1186 ee->ee_ob[ee_mode][obdb], 3, 282, 0, true))
1187 return -EINVAL;
1188 }
1189
1190 ath5k_hw_rfregs_op(rf, ah->ah_offset[6],
1191 ee->ee_x_gain[ee_mode], 2, 270, 0, true);
1192 ath5k_hw_rfregs_op(rf, ah->ah_offset[6],
1193 ee->ee_x_gain[ee_mode], 2, 257, 0, true);
1194
1195 if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[6],
1196 ee->ee_xpd[ee_mode], 1, 302, 0, true))
1197 return -EINVAL;
1198
1199 /* Modify bank 7 */
1200 if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[7],
1201 ee->ee_i_gain[ee_mode], 6, 14, 0, true))
1202 return -EINVAL;
1203
1204 /* Write RF values */
1205 for (i = 0; i < rf_size; i++)
1206 ath5k_hw_reg_write(ah, rf[i], rf_ini[i].rf_register);
1207
1208 return 0;
1209 }
1210
1211 /*
1212 * Initialize RF5413/5414
1213 */
1214 static int ath5k_hw_rf5413_rfregs(struct ath5k_hw *ah,
1215 struct ieee80211_channel *channel, unsigned int mode)
1216 {
1217 const struct ath5k_ini_rf *rf_ini;
1218 u32 *rf;
1219 unsigned int rf_size, i;
1220 int bank = -1;
1221
1222 AR5K_ASSERT_ENTRY(mode, AR5K_INI_VAL_MAX);
1223
1224 rf = ah->ah_rf_banks;
1225
1226 rf_ini = rfregs_5413;
1227 rf_size = ARRAY_SIZE(rfregs_5413);
1228
1229 /* Copy values to modify them */
1230 for (i = 0; i < rf_size; i++) {
1231 if (rf_ini[i].rf_bank >= AR5K_RF5112_INI_RF_MAX_BANKS) {
1232 ATH5K_ERR(ah->ah_sc, "invalid bank\n");
1233 return -EINVAL;
1234 }
1235
1236 if (bank != rf_ini[i].rf_bank) {
1237 bank = rf_ini[i].rf_bank;
1238 ah->ah_offset[bank] = i;
1239 }
1240
1241 rf[i] = rf_ini[i].rf_value[mode];
1242 }
1243
1244 /*
1245 * After compairing dumps from different cards
1246 * we get the same RF_BUFFER settings (diff returns
1247 * 0 lines). It seems that RF_BUFFER settings are static
1248 * and are written unmodified (no EEPROM stuff
1249 * is used because calibration data would be
1250 * different between different cards and would result
1251 * different RF_BUFFER settings)
1252 */
1253
1254 /* Write RF values */
1255 for (i = 0; i < rf_size; i++)
1256 ath5k_hw_reg_write(ah, rf[i], rf_ini[i].rf_register);
1257
1258 return 0;
1259 }
1260
1261 /*
1262 * Initialize RF
1263 */
1264 int ath5k_hw_rfregs(struct ath5k_hw *ah, struct ieee80211_channel *channel,
1265 unsigned int mode)
1266 {
1267 int (*func)(struct ath5k_hw *, struct ieee80211_channel *, unsigned int);
1268 int ret;
1269
1270 switch (ah->ah_radio) {
1271 case AR5K_RF5111:
1272 ah->ah_rf_banks_size = sizeof(rfregs_5111);
1273 func = ath5k_hw_rf5111_rfregs;
1274 break;
1275 case AR5K_RF5112:
1276 if (ah->ah_radio_5ghz_revision >= AR5K_SREV_RAD_5112A)
1277 ah->ah_rf_banks_size = sizeof(rfregs_5112a);
1278 else
1279 ah->ah_rf_banks_size = sizeof(rfregs_5112);
1280 func = ath5k_hw_rf5112_rfregs;
1281 break;
1282 case AR5K_RF5413:
1283 ah->ah_rf_banks_size = sizeof(rfregs_5413);
1284 func = ath5k_hw_rf5413_rfregs;
1285 break;
1286 default:
1287 return -EINVAL;
1288 }
1289
1290 if (ah->ah_rf_banks == NULL) {
1291 /* XXX do extra checks? */
1292 ah->ah_rf_banks = kmalloc(ah->ah_rf_banks_size, GFP_KERNEL);
1293 if (ah->ah_rf_banks == NULL) {
1294 ATH5K_ERR(ah->ah_sc, "out of memory\n");
1295 return -ENOMEM;
1296 }
1297 }
1298
1299 ret = func(ah, channel, mode);
1300 if (!ret)
1301 ah->ah_rf_gain = AR5K_RFGAIN_INACTIVE;
1302
1303 return ret;
1304 }
1305
1306 int ath5k_hw_rfgain(struct ath5k_hw *ah, unsigned int freq)
1307 {
1308 const struct ath5k_ini_rfgain *ath5k_rfg;
1309 unsigned int i, size;
1310
1311 switch (ah->ah_radio) {
1312 case AR5K_RF5111:
1313 ath5k_rfg = rfgain_5111;
1314 size = ARRAY_SIZE(rfgain_5111);
1315 break;
1316 case AR5K_RF5112:
1317 ath5k_rfg = rfgain_5112;
1318 size = ARRAY_SIZE(rfgain_5112);
1319 break;
1320 case AR5K_RF5413:
1321 ath5k_rfg = rfgain_5413;
1322 size = ARRAY_SIZE(rfgain_5413);
1323 break;
1324 default:
1325 return -EINVAL;
1326 }
1327
1328 switch (freq) {
1329 case AR5K_INI_RFGAIN_2GHZ:
1330 case AR5K_INI_RFGAIN_5GHZ:
1331 break;
1332 default:
1333 return -EINVAL;
1334 }
1335
1336 for (i = 0; i < size; i++) {
1337 AR5K_REG_WAIT(i);
1338 ath5k_hw_reg_write(ah, ath5k_rfg[i].rfg_value[freq],
1339 (u32)ath5k_rfg[i].rfg_register);
1340 }
1341
1342 return 0;
1343 }
1344
1345 enum ath5k_rfgain ath5k_hw_get_rf_gain(struct ath5k_hw *ah)
1346 {
1347 u32 data, type;
1348
1349 ATH5K_TRACE(ah->ah_sc);
1350
1351 if (ah->ah_rf_banks == NULL || !ah->ah_gain.g_active ||
1352 ah->ah_version <= AR5K_AR5211)
1353 return AR5K_RFGAIN_INACTIVE;
1354
1355 if (ah->ah_rf_gain != AR5K_RFGAIN_READ_REQUESTED)
1356 goto done;
1357
1358 data = ath5k_hw_reg_read(ah, AR5K_PHY_PAPD_PROBE);
1359
1360 if (!(data & AR5K_PHY_PAPD_PROBE_TX_NEXT)) {
1361 ah->ah_gain.g_current = data >> AR5K_PHY_PAPD_PROBE_GAINF_S;
1362 type = AR5K_REG_MS(data, AR5K_PHY_PAPD_PROBE_TYPE);
1363
1364 if (type == AR5K_PHY_PAPD_PROBE_TYPE_CCK)
1365 ah->ah_gain.g_current += AR5K_GAIN_CCK_PROBE_CORR;
1366
1367 if (ah->ah_radio >= AR5K_RF5112) {
1368 ath5k_hw_rfregs_gainf_corr(ah);
1369 ah->ah_gain.g_current =
1370 ah->ah_gain.g_current>=ah->ah_gain.g_f_corr ?
1371 (ah->ah_gain.g_current-ah->ah_gain.g_f_corr) :
1372 0;
1373 }
1374
1375 if (ath5k_hw_rfregs_gain_readback(ah) &&
1376 AR5K_GAIN_CHECK_ADJUST(&ah->ah_gain) &&
1377 ath5k_hw_rfregs_gain_adjust(ah))
1378 ah->ah_rf_gain = AR5K_RFGAIN_NEED_CHANGE;
1379 }
1380
1381 done:
1382 return ah->ah_rf_gain;
1383 }
1384
1385 int ath5k_hw_set_rfgain_opt(struct ath5k_hw *ah)
1386 {
1387 /* Initialize the gain optimization values */
1388 switch (ah->ah_radio) {
1389 case AR5K_RF5111:
1390 ah->ah_gain.g_step_idx = rfgain_opt_5111.go_default;
1391 ah->ah_gain.g_step =
1392 &rfgain_opt_5111.go_step[ah->ah_gain.g_step_idx];
1393 ah->ah_gain.g_low = 20;
1394 ah->ah_gain.g_high = 35;
1395 ah->ah_gain.g_active = 1;
1396 break;
1397 case AR5K_RF5112:
1398 case AR5K_RF5413: /* ??? */
1399 ah->ah_gain.g_step_idx = rfgain_opt_5112.go_default;
1400 ah->ah_gain.g_step =
1401 &rfgain_opt_5112.go_step[ah->ah_gain.g_step_idx];
1402 ah->ah_gain.g_low = 20;
1403 ah->ah_gain.g_high = 85;
1404 ah->ah_gain.g_active = 1;
1405 break;
1406 default:
1407 return -EINVAL;
1408 }
1409
1410 return 0;
1411 }
1412
1413 /**************************\
1414 PHY/RF channel functions
1415 \**************************/
1416
1417 /*
1418 * Check if a channel is supported
1419 */
1420 bool ath5k_channel_ok(struct ath5k_hw *ah, u16 freq, unsigned int flags)
1421 {
1422 /* Check if the channel is in our supported range */
1423 if (flags & CHANNEL_2GHZ) {
1424 if ((freq >= ah->ah_capabilities.cap_range.range_2ghz_min) &&
1425 (freq <= ah->ah_capabilities.cap_range.range_2ghz_max))
1426 return true;
1427 } else if (flags & CHANNEL_5GHZ)
1428 if ((freq >= ah->ah_capabilities.cap_range.range_5ghz_min) &&
1429 (freq <= ah->ah_capabilities.cap_range.range_5ghz_max))
1430 return true;
1431
1432 return false;
1433 }
1434
1435 /*
1436 * Convertion needed for RF5110
1437 */
1438 static u32 ath5k_hw_rf5110_chan2athchan(struct ieee80211_channel *channel)
1439 {
1440 u32 athchan;
1441
1442 /*
1443 * Convert IEEE channel/MHz to an internal channel value used
1444 * by the AR5210 chipset. This has not been verified with
1445 * newer chipsets like the AR5212A who have a completely
1446 * different RF/PHY part.
1447 */
1448 athchan = (ath5k_hw_bitswap((channel->chan - 24) / 2, 5) << 1) |
1449 (1 << 6) | 0x1;
1450
1451 return athchan;
1452 }
1453
1454 /*
1455 * Set channel on RF5110
1456 */
1457 static int ath5k_hw_rf5110_channel(struct ath5k_hw *ah,
1458 struct ieee80211_channel *channel)
1459 {
1460 u32 data;
1461
1462 /*
1463 * Set the channel and wait
1464 */
1465 data = ath5k_hw_rf5110_chan2athchan(channel);
1466 ath5k_hw_reg_write(ah, data, AR5K_RF_BUFFER);
1467 ath5k_hw_reg_write(ah, 0, AR5K_RF_BUFFER_CONTROL_0);
1468 mdelay(1);
1469
1470 return 0;
1471 }
1472
1473 /*
1474 * Convertion needed for 5111
1475 */
1476 static int ath5k_hw_rf5111_chan2athchan(unsigned int ieee,
1477 struct ath5k_athchan_2ghz *athchan)
1478 {
1479 int channel;
1480
1481 /* Cast this value to catch negative channel numbers (>= -19) */
1482 channel = (int)ieee;
1483
1484 /*
1485 * Map 2GHz IEEE channel to 5GHz Atheros channel
1486 */
1487 if (channel <= 13) {
1488 athchan->a2_athchan = 115 + channel;
1489 athchan->a2_flags = 0x46;
1490 } else if (channel == 14) {
1491 athchan->a2_athchan = 124;
1492 athchan->a2_flags = 0x44;
1493 } else if (channel >= 15 && channel <= 26) {
1494 athchan->a2_athchan = ((channel - 14) * 4) + 132;
1495 athchan->a2_flags = 0x46;
1496 } else
1497 return -EINVAL;
1498
1499 return 0;
1500 }
1501
1502 /*
1503 * Set channel on 5111
1504 */
1505 static int ath5k_hw_rf5111_channel(struct ath5k_hw *ah,
1506 struct ieee80211_channel *channel)
1507 {
1508 struct ath5k_athchan_2ghz ath5k_channel_2ghz;
1509 unsigned int ath5k_channel = channel->chan;
1510 u32 data0, data1, clock;
1511 int ret;
1512
1513 /*
1514 * Set the channel on the RF5111 radio
1515 */
1516 data0 = data1 = 0;
1517
1518 if (channel->val & CHANNEL_2GHZ) {
1519 /* Map 2GHz channel to 5GHz Atheros channel ID */
1520 ret = ath5k_hw_rf5111_chan2athchan(channel->chan,
1521 &ath5k_channel_2ghz);
1522 if (ret)
1523 return ret;
1524
1525 ath5k_channel = ath5k_channel_2ghz.a2_athchan;
1526 data0 = ((ath5k_hw_bitswap(ath5k_channel_2ghz.a2_flags, 8) & 0xff)
1527 << 5) | (1 << 4);
1528 }
1529
1530 if (ath5k_channel < 145 || !(ath5k_channel & 1)) {
1531 clock = 1;
1532 data1 = ((ath5k_hw_bitswap(ath5k_channel - 24, 8) & 0xff) << 2) |
1533 (clock << 1) | (1 << 10) | 1;
1534 } else {
1535 clock = 0;
1536 data1 = ((ath5k_hw_bitswap((ath5k_channel - 24) / 2, 8) & 0xff)
1537 << 2) | (clock << 1) | (1 << 10) | 1;
1538 }
1539
1540 ath5k_hw_reg_write(ah, (data1 & 0xff) | ((data0 & 0xff) << 8),
1541 AR5K_RF_BUFFER);
1542 ath5k_hw_reg_write(ah, ((data1 >> 8) & 0xff) | (data0 & 0xff00),
1543 AR5K_RF_BUFFER_CONTROL_3);
1544
1545 return 0;
1546 }
1547
1548 /*
1549 * Set channel on 5112 and newer
1550 */
1551 static int ath5k_hw_rf5112_channel(struct ath5k_hw *ah,
1552 struct ieee80211_channel *channel)
1553 {
1554 u32 data, data0, data1, data2;
1555 u16 c;
1556
1557 data = data0 = data1 = data2 = 0;
1558 c = channel->freq;
1559
1560 /*
1561 * Set the channel on the RF5112 or newer
1562 */
1563 if (c < 4800) {
1564 if (!((c - 2224) % 5)) {
1565 data0 = ((2 * (c - 704)) - 3040) / 10;
1566 data1 = 1;
1567 } else if (!((c - 2192) % 5)) {
1568 data0 = ((2 * (c - 672)) - 3040) / 10;
1569 data1 = 0;
1570 } else
1571 return -EINVAL;
1572
1573 data0 = ath5k_hw_bitswap((data0 << 2) & 0xff, 8);
1574 } else {
1575 if (!(c % 20) && c >= 5120) {
1576 data0 = ath5k_hw_bitswap(((c - 4800) / 20 << 2), 8);
1577 data2 = ath5k_hw_bitswap(3, 2);
1578 } else if (!(c % 10)) {
1579 data0 = ath5k_hw_bitswap(((c - 4800) / 10 << 1), 8);
1580 data2 = ath5k_hw_bitswap(2, 2);
1581 } else if (!(c % 5)) {
1582 data0 = ath5k_hw_bitswap((c - 4800) / 5, 8);
1583 data2 = ath5k_hw_bitswap(1, 2);
1584 } else
1585 return -EINVAL;
1586 }
1587
1588 data = (data0 << 4) | (data1 << 1) | (data2 << 2) | 0x1001;
1589
1590 ath5k_hw_reg_write(ah, data & 0xff, AR5K_RF_BUFFER);
1591 ath5k_hw_reg_write(ah, (data >> 8) & 0x7f, AR5K_RF_BUFFER_CONTROL_5);
1592
1593 return 0;
1594 }
1595
1596 /*
1597 * Set a channel on the radio chip
1598 */
1599 int ath5k_hw_channel(struct ath5k_hw *ah, struct ieee80211_channel *channel)
1600 {
1601 int ret;
1602
1603 /*
1604 * Check bounds supported by the PHY
1605 * (don't care about regulation restrictions at this point)
1606 */
1607 if ((channel->freq < ah->ah_capabilities.cap_range.range_2ghz_min ||
1608 channel->freq > ah->ah_capabilities.cap_range.range_2ghz_max) &&
1609 (channel->freq < ah->ah_capabilities.cap_range.range_5ghz_min ||
1610 channel->freq > ah->ah_capabilities.cap_range.range_5ghz_max)) {
1611 ATH5K_ERR(ah->ah_sc,
1612 "channel out of supported range (%u MHz)\n",
1613 channel->freq);
1614 return -EINVAL;
1615 }
1616
1617 /*
1618 * Set the channel and wait
1619 */
1620 switch (ah->ah_radio) {
1621 case AR5K_RF5110:
1622 ret = ath5k_hw_rf5110_channel(ah, channel);
1623 break;
1624 case AR5K_RF5111:
1625 ret = ath5k_hw_rf5111_channel(ah, channel);
1626 break;
1627 default:
1628 ret = ath5k_hw_rf5112_channel(ah, channel);
1629 break;
1630 }
1631
1632 if (ret)
1633 return ret;
1634
1635 ah->ah_current_channel.freq = channel->freq;
1636 ah->ah_current_channel.val = channel->val;
1637 ah->ah_turbo = channel->val == CHANNEL_T ? true : false;
1638
1639 return 0;
1640 }
1641
1642 /*****************\
1643 PHY calibration
1644 \*****************/
1645
1646 /**
1647 * ath5k_hw_noise_floor_calibration - perform PHY noise floor calibration
1648 *
1649 * @ah: struct ath5k_hw pointer we are operating on
1650 * @freq: the channel frequency, just used for error logging
1651 *
1652 * This function performs a noise floor calibration of the PHY and waits for
1653 * it to complete. Then the noise floor value is compared to some maximum
1654 * noise floor we consider valid.
1655 *
1656 * Note that this is different from what the madwifi HAL does: it reads the
1657 * noise floor and afterwards initiates the calibration. Since the noise floor
1658 * calibration can take some time to finish, depending on the current channel
1659 * use, that avoids the occasional timeout warnings we are seeing now.
1660 *
1661 * See the following link for an Atheros patent on noise floor calibration:
1662 * http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL \
1663 * &p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=7245893.PN.&OS=PN/7
1664 *
1665 */
1666 int
1667 ath5k_hw_noise_floor_calibration(struct ath5k_hw *ah, short freq)
1668 {
1669 int ret;
1670 unsigned int i;
1671 s32 noise_floor;
1672
1673 /*
1674 * Enable noise floor calibration and wait until completion
1675 */
1676 AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_AGCCTL,
1677 AR5K_PHY_AGCCTL_NF);
1678
1679 ret = ath5k_hw_register_timeout(ah, AR5K_PHY_AGCCTL,
1680 AR5K_PHY_AGCCTL_NF, 0, false);
1681 if (ret) {
1682 ATH5K_ERR(ah->ah_sc,
1683 "noise floor calibration timeout (%uMHz)\n", freq);
1684 return ret;
1685 }
1686
1687 /* Wait until the noise floor is calibrated and read the value */
1688 for (i = 20; i > 0; i--) {
1689 mdelay(1);
1690 noise_floor = ath5k_hw_reg_read(ah, AR5K_PHY_NF);
1691 noise_floor = AR5K_PHY_NF_RVAL(noise_floor);
1692 if (noise_floor & AR5K_PHY_NF_ACTIVE) {
1693 noise_floor = AR5K_PHY_NF_AVAL(noise_floor);
1694
1695 if (noise_floor <= AR5K_TUNE_NOISE_FLOOR)
1696 break;
1697 }
1698 }
1699
1700 ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_CALIBRATE,
1701 "noise floor %d\n", noise_floor);
1702
1703 if (noise_floor > AR5K_TUNE_NOISE_FLOOR) {
1704 ATH5K_ERR(ah->ah_sc,
1705 "noise floor calibration failed (%uMHz)\n", freq);
1706 return -EIO;
1707 }
1708
1709 ah->ah_noise_floor = noise_floor;
1710
1711 return 0;
1712 }
1713
1714 /*
1715 * Perform a PHY calibration on RF5110
1716 * -Fix BPSK/QAM Constellation (I/Q correction)
1717 * -Calculate Noise Floor
1718 */
1719 static int ath5k_hw_rf5110_calibrate(struct ath5k_hw *ah,
1720 struct ieee80211_channel *channel)
1721 {
1722 u32 phy_sig, phy_agc, phy_sat, beacon;
1723 int ret;
1724
1725 /*
1726 * Disable beacons and RX/TX queues, wait
1727 */
1728 AR5K_REG_ENABLE_BITS(ah, AR5K_DIAG_SW_5210,
1729 AR5K_DIAG_SW_DIS_TX | AR5K_DIAG_SW_DIS_RX_5210);
1730 beacon = ath5k_hw_reg_read(ah, AR5K_BEACON_5210);
1731 ath5k_hw_reg_write(ah, beacon & ~AR5K_BEACON_ENABLE, AR5K_BEACON_5210);
1732
1733 udelay(2300);
1734
1735 /*
1736 * Set the channel (with AGC turned off)
1737 */
1738 AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_AGC, AR5K_PHY_AGC_DISABLE);
1739 udelay(10);
1740 ret = ath5k_hw_channel(ah, channel);
1741
1742 /*
1743 * Activate PHY and wait
1744 */
1745 ath5k_hw_reg_write(ah, AR5K_PHY_ACT_ENABLE, AR5K_PHY_ACT);
1746 mdelay(1);
1747
1748 AR5K_REG_DISABLE_BITS(ah, AR5K_PHY_AGC, AR5K_PHY_AGC_DISABLE);
1749
1750 if (ret)
1751 return ret;
1752
1753 /*
1754 * Calibrate the radio chip
1755 */
1756
1757 /* Remember normal state */
1758 phy_sig = ath5k_hw_reg_read(ah, AR5K_PHY_SIG);
1759 phy_agc = ath5k_hw_reg_read(ah, AR5K_PHY_AGCCOARSE);
1760 phy_sat = ath5k_hw_reg_read(ah, AR5K_PHY_ADCSAT);
1761
1762 /* Update radio registers */
1763 ath5k_hw_reg_write(ah, (phy_sig & ~(AR5K_PHY_SIG_FIRPWR)) |
1764 AR5K_REG_SM(-1, AR5K_PHY_SIG_FIRPWR), AR5K_PHY_SIG);
1765
1766 ath5k_hw_reg_write(ah, (phy_agc & ~(AR5K_PHY_AGCCOARSE_HI |
1767 AR5K_PHY_AGCCOARSE_LO)) |
1768 AR5K_REG_SM(-1, AR5K_PHY_AGCCOARSE_HI) |
1769 AR5K_REG_SM(-127, AR5K_PHY_AGCCOARSE_LO), AR5K_PHY_AGCCOARSE);
1770
1771 ath5k_hw_reg_write(ah, (phy_sat & ~(AR5K_PHY_ADCSAT_ICNT |
1772 AR5K_PHY_ADCSAT_THR)) |
1773 AR5K_REG_SM(2, AR5K_PHY_ADCSAT_ICNT) |
1774 AR5K_REG_SM(12, AR5K_PHY_ADCSAT_THR), AR5K_PHY_ADCSAT);
1775
1776 udelay(20);
1777
1778 AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_AGC, AR5K_PHY_AGC_DISABLE);
1779 udelay(10);
1780 ath5k_hw_reg_write(ah, AR5K_PHY_RFSTG_DISABLE, AR5K_PHY_RFSTG);
1781 AR5K_REG_DISABLE_BITS(ah, AR5K_PHY_AGC, AR5K_PHY_AGC_DISABLE);
1782
1783 mdelay(1);
1784
1785 /*
1786 * Enable calibration and wait until completion
1787 */
1788 AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_AGCCTL, AR5K_PHY_AGCCTL_CAL);
1789
1790 ret = ath5k_hw_register_timeout(ah, AR5K_PHY_AGCCTL,
1791 AR5K_PHY_AGCCTL_CAL, 0, false);
1792
1793 /* Reset to normal state */
1794 ath5k_hw_reg_write(ah, phy_sig, AR5K_PHY_SIG);
1795 ath5k_hw_reg_write(ah, phy_agc, AR5K_PHY_AGCCOARSE);
1796 ath5k_hw_reg_write(ah, phy_sat, AR5K_PHY_ADCSAT);
1797
1798 if (ret) {
1799 ATH5K_ERR(ah->ah_sc, "calibration timeout (%uMHz)\n",
1800 channel->freq);
1801 return ret;
1802 }
1803
1804 ret = ath5k_hw_noise_floor_calibration(ah, channel->freq);
1805 if (ret)
1806 return ret;
1807
1808 /*
1809 * Re-enable RX/TX and beacons
1810 */
1811 AR5K_REG_DISABLE_BITS(ah, AR5K_DIAG_SW_5210,
1812 AR5K_DIAG_SW_DIS_TX | AR5K_DIAG_SW_DIS_RX_5210);
1813 ath5k_hw_reg_write(ah, beacon, AR5K_BEACON_5210);
1814
1815 return 0;
1816 }
1817
1818 /*
1819 * Perform a PHY calibration on RF5111/5112
1820 */
1821 static int ath5k_hw_rf511x_calibrate(struct ath5k_hw *ah,
1822 struct ieee80211_channel *channel)
1823 {
1824 u32 i_pwr, q_pwr;
1825 s32 iq_corr, i_coff, i_coffd, q_coff, q_coffd;
1826 ATH5K_TRACE(ah->ah_sc);
1827
1828 if (ah->ah_calibration == false ||
1829 ath5k_hw_reg_read(ah, AR5K_PHY_IQ) & AR5K_PHY_IQ_RUN)
1830 goto done;
1831
1832 ah->ah_calibration = false;
1833
1834 iq_corr = ath5k_hw_reg_read(ah, AR5K_PHY_IQRES_CAL_CORR);
1835 i_pwr = ath5k_hw_reg_read(ah, AR5K_PHY_IQRES_CAL_PWR_I);
1836 q_pwr = ath5k_hw_reg_read(ah, AR5K_PHY_IQRES_CAL_PWR_Q);
1837 i_coffd = ((i_pwr >> 1) + (q_pwr >> 1)) >> 7;
1838 q_coffd = q_pwr >> 6;
1839
1840 if (i_coffd == 0 || q_coffd == 0)
1841 goto done;
1842
1843 i_coff = ((-iq_corr) / i_coffd) & 0x3f;
1844 q_coff = (((s32)i_pwr / q_coffd) - 64) & 0x1f;
1845
1846 /* Commit new IQ value */
1847 AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_IQ, AR5K_PHY_IQ_CORR_ENABLE |
1848 ((u32)q_coff) | ((u32)i_coff << AR5K_PHY_IQ_CORR_Q_I_COFF_S));
1849
1850 done:
1851 ath5k_hw_noise_floor_calibration(ah, channel->freq);
1852
1853 /* Request RF gain */
1854 if (channel->val & CHANNEL_5GHZ) {
1855 ath5k_hw_reg_write(ah, AR5K_REG_SM(ah->ah_txpower.txp_max,
1856 AR5K_PHY_PAPD_PROBE_TXPOWER) |
1857 AR5K_PHY_PAPD_PROBE_TX_NEXT, AR5K_PHY_PAPD_PROBE);
1858 ah->ah_rf_gain = AR5K_RFGAIN_READ_REQUESTED;
1859 }
1860
1861 return 0;
1862 }
1863
1864 /*
1865 * Perform a PHY calibration
1866 */
1867 int ath5k_hw_phy_calibrate(struct ath5k_hw *ah,
1868 struct ieee80211_channel *channel)
1869 {
1870 int ret;
1871
1872 if (ah->ah_radio == AR5K_RF5110)
1873 ret = ath5k_hw_rf5110_calibrate(ah, channel);
1874 else
1875 ret = ath5k_hw_rf511x_calibrate(ah, channel);
1876
1877 return ret;
1878 }
1879
1880 int ath5k_hw_phy_disable(struct ath5k_hw *ah)
1881 {
1882 ATH5K_TRACE(ah->ah_sc);
1883 /*Just a try M.F.*/
1884 ath5k_hw_reg_write(ah, AR5K_PHY_ACT_DISABLE, AR5K_PHY_ACT);
1885
1886 return 0;
1887 }
1888
1889 /********************\
1890 Misc PHY functions
1891 \********************/
1892
1893 /*
1894 * Get the PHY Chip revision
1895 */
1896 u16 ath5k_hw_radio_revision(struct ath5k_hw *ah, unsigned int chan)
1897 {
1898 unsigned int i;
1899 u32 srev;
1900 u16 ret;
1901
1902 ATH5K_TRACE(ah->ah_sc);
1903
1904 /*
1905 * Set the radio chip access register
1906 */
1907 switch (chan) {
1908 case CHANNEL_2GHZ:
1909 ath5k_hw_reg_write(ah, AR5K_PHY_SHIFT_2GHZ, AR5K_PHY(0));
1910 break;
1911 case CHANNEL_5GHZ:
1912 ath5k_hw_reg_write(ah, AR5K_PHY_SHIFT_5GHZ, AR5K_PHY(0));
1913 break;
1914 default:
1915 return 0;
1916 }
1917
1918 mdelay(2);
1919
1920 /* ...wait until PHY is ready and read the selected radio revision */
1921 ath5k_hw_reg_write(ah, 0x00001c16, AR5K_PHY(0x34));
1922
1923 for (i = 0; i < 8; i++)
1924 ath5k_hw_reg_write(ah, 0x00010000, AR5K_PHY(0x20));
1925
1926 if (ah->ah_version == AR5K_AR5210) {
1927 srev = ath5k_hw_reg_read(ah, AR5K_PHY(256) >> 28) & 0xf;
1928 ret = (u16)ath5k_hw_bitswap(srev, 4) + 1;
1929 } else {
1930 srev = (ath5k_hw_reg_read(ah, AR5K_PHY(0x100)) >> 24) & 0xff;
1931 ret = (u16)ath5k_hw_bitswap(((srev & 0xf0) >> 4) |
1932 ((srev & 0x0f) << 4), 8);
1933 }
1934
1935 /* Reset to the 5GHz mode */
1936 ath5k_hw_reg_write(ah, AR5K_PHY_SHIFT_5GHZ, AR5K_PHY(0));
1937
1938 return ret;
1939 }
1940
1941 void /*TODO:Boundary check*/
1942 ath5k_hw_set_def_antenna(struct ath5k_hw *ah, unsigned int ant)
1943 {
1944 ATH5K_TRACE(ah->ah_sc);
1945 /*Just a try M.F.*/
1946 if (ah->ah_version != AR5K_AR5210)
1947 ath5k_hw_reg_write(ah, ant, AR5K_DEFAULT_ANTENNA);
1948 }
1949
1950 unsigned int ath5k_hw_get_def_antenna(struct ath5k_hw *ah)
1951 {
1952 ATH5K_TRACE(ah->ah_sc);
1953 /*Just a try M.F.*/
1954 if (ah->ah_version != AR5K_AR5210)
1955 return ath5k_hw_reg_read(ah, AR5K_DEFAULT_ANTENNA);
1956
1957 return false; /*XXX: What do we return for 5210 ?*/
1958 }
1959
1960 /*
1961 * TX power setup
1962 */
1963
1964 /*
1965 * Initialize the tx power table (not fully implemented)
1966 */
1967 static void ath5k_txpower_table(struct ath5k_hw *ah,
1968 struct ieee80211_channel *channel, s16 max_power)
1969 {
1970 unsigned int i, min, max, n;
1971 u16 txpower, *rates;
1972
1973 rates = ah->ah_txpower.txp_rates;
1974
1975 txpower = AR5K_TUNE_DEFAULT_TXPOWER * 2;
1976 if (max_power > txpower)
1977 txpower = max_power > AR5K_TUNE_MAX_TXPOWER ?
1978 AR5K_TUNE_MAX_TXPOWER : max_power;
1979
1980 for (i = 0; i < AR5K_MAX_RATES; i++)
1981 rates[i] = txpower;
1982
1983 /* XXX setup target powers by rate */
1984
1985 ah->ah_txpower.txp_min = rates[7];
1986 ah->ah_txpower.txp_max = rates[0];
1987 ah->ah_txpower.txp_ofdm = rates[0];
1988
1989 /* Calculate the power table */
1990 n = ARRAY_SIZE(ah->ah_txpower.txp_pcdac);
1991 min = AR5K_EEPROM_PCDAC_START;
1992 max = AR5K_EEPROM_PCDAC_STOP;
1993 for (i = 0; i < n; i += AR5K_EEPROM_PCDAC_STEP)
1994 ah->ah_txpower.txp_pcdac[i] =
1995 #ifdef notyet
1996 min + ((i * (max - min)) / n);
1997 #else
1998 min;
1999 #endif
2000 }
2001
2002 /*
2003 * Set transmition power
2004 */
2005 int /*O.K. - txpower_table is unimplemented so this doesn't work*/
2006 ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel,
2007 unsigned int txpower)
2008 {
2009 bool tpc = ah->ah_txpower.txp_tpc;
2010 unsigned int i;
2011
2012 ATH5K_TRACE(ah->ah_sc);
2013 if (txpower > AR5K_TUNE_MAX_TXPOWER) {
2014 ATH5K_ERR(ah->ah_sc, "invalid tx power: %u\n", txpower);
2015 return -EINVAL;
2016 }
2017
2018 /* Reset TX power values */
2019 memset(&ah->ah_txpower, 0, sizeof(ah->ah_txpower));
2020 ah->ah_txpower.txp_tpc = tpc;
2021
2022 /* Initialize TX power table */
2023 ath5k_txpower_table(ah, channel, txpower);
2024
2025 /*
2026 * Write TX power values
2027 */
2028 for (i = 0; i < (AR5K_EEPROM_POWER_TABLE_SIZE / 2); i++) {
2029 ath5k_hw_reg_write(ah,
2030 ((((ah->ah_txpower.txp_pcdac[(i << 1) + 1] << 8) | 0xff) & 0xffff) << 16) |
2031 (((ah->ah_txpower.txp_pcdac[(i << 1) ] << 8) | 0xff) & 0xffff),
2032 AR5K_PHY_PCDAC_TXPOWER(i));
2033 }
2034
2035 ath5k_hw_reg_write(ah, AR5K_TXPOWER_OFDM(3, 24) |
2036 AR5K_TXPOWER_OFDM(2, 16) | AR5K_TXPOWER_OFDM(1, 8) |
2037 AR5K_TXPOWER_OFDM(0, 0), AR5K_PHY_TXPOWER_RATE1);
2038
2039 ath5k_hw_reg_write(ah, AR5K_TXPOWER_OFDM(7, 24) |
2040 AR5K_TXPOWER_OFDM(6, 16) | AR5K_TXPOWER_OFDM(5, 8) |
2041 AR5K_TXPOWER_OFDM(4, 0), AR5K_PHY_TXPOWER_RATE2);
2042
2043 ath5k_hw_reg_write(ah, AR5K_TXPOWER_CCK(10, 24) |
2044 AR5K_TXPOWER_CCK(9, 16) | AR5K_TXPOWER_CCK(15, 8) |
2045 AR5K_TXPOWER_CCK(8, 0), AR5K_PHY_TXPOWER_RATE3);
2046
2047 ath5k_hw_reg_write(ah, AR5K_TXPOWER_CCK(14, 24) |
2048 AR5K_TXPOWER_CCK(13, 16) | AR5K_TXPOWER_CCK(12, 8) |
2049 AR5K_TXPOWER_CCK(11, 0), AR5K_PHY_TXPOWER_RATE4);
2050
2051 if (ah->ah_txpower.txp_tpc == true)
2052 ath5k_hw_reg_write(ah, AR5K_PHY_TXPOWER_RATE_MAX_TPC_ENABLE |
2053 AR5K_TUNE_MAX_TXPOWER, AR5K_PHY_TXPOWER_RATE_MAX);
2054 else
2055 ath5k_hw_reg_write(ah, AR5K_PHY_TXPOWER_RATE_MAX |
2056 AR5K_TUNE_MAX_TXPOWER, AR5K_PHY_TXPOWER_RATE_MAX);
2057
2058 return 0;
2059 }
2060
2061 int ath5k_hw_set_txpower_limit(struct ath5k_hw *ah, unsigned int power)
2062 {
2063 /*Just a try M.F.*/
2064 struct ieee80211_channel *channel = &ah->ah_current_channel;
2065
2066 ATH5K_TRACE(ah->ah_sc);
2067 ATH5K_DBG(ah->ah_sc, ATH5K_DEBUG_TXPOWER,
2068 "changing txpower to %d\n", power);
2069
2070 return ath5k_hw_txpower(ah, channel, power);
2071 }
Support for the Chinese Samsung S3C2440 based development boards