Commit | Line | Data |
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c6e387a2 NK |
1 | /* |
2 | * Copyright (c) 2004-2008 Reyk Floeter <reyk@openbsd.org> | |
8e218fb2 NK |
3 | * Copyright (c) 2006-2009 Nick Kossifidis <mickflemm@gmail.com> |
4 | * Copyright (c) 2008-2009 Felix Fietkau <nbd@openwrt.org> | |
c6e387a2 NK |
5 | * |
6 | * Permission to use, copy, modify, and distribute this software for any | |
7 | * purpose with or without fee is hereby granted, provided that the above | |
8 | * copyright notice and this permission notice appear in all copies. | |
9 | * | |
10 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
11 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
12 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
13 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
14 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
15 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
16 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
17 | * | |
18 | */ | |
19 | ||
20 | /*************************************\ | |
21 | * EEPROM access functions and helpers * | |
22 | \*************************************/ | |
23 | ||
5a0e3ad6 TH |
24 | #include <linux/slab.h> |
25 | ||
c6e387a2 NK |
26 | #include "ath5k.h" |
27 | #include "reg.h" | |
28 | #include "debug.h" | |
29 | #include "base.h" | |
30 | ||
9320b5c4 NK |
31 | |
32 | /******************\ | |
33 | * Helper functions * | |
34 | \******************/ | |
35 | ||
36 | /* | |
37 | * Translate binary channel representation in EEPROM to frequency | |
38 | */ | |
39 | static u16 ath5k_eeprom_bin2freq(struct ath5k_eeprom_info *ee, u16 bin, | |
40 | unsigned int mode) | |
41 | { | |
42 | u16 val; | |
43 | ||
44 | if (bin == AR5K_EEPROM_CHANNEL_DIS) | |
45 | return bin; | |
46 | ||
47 | if (mode == AR5K_EEPROM_MODE_11A) { | |
48 | if (ee->ee_version > AR5K_EEPROM_VERSION_3_2) | |
49 | val = (5 * bin) + 4800; | |
50 | else | |
51 | val = bin > 62 ? (10 * 62) + (5 * (bin - 62)) + 5100 : | |
52 | (bin * 10) + 5100; | |
53 | } else { | |
54 | if (ee->ee_version > AR5K_EEPROM_VERSION_3_2) | |
55 | val = bin + 2300; | |
56 | else | |
57 | val = bin + 2400; | |
58 | } | |
59 | ||
60 | return val; | |
61 | } | |
62 | ||
63 | ||
64 | /*********\ | |
65 | * Parsers * | |
66 | \*********/ | |
67 | ||
1048643e FF |
68 | /* |
69 | * Initialize eeprom & capabilities structs | |
70 | */ | |
71 | static int | |
72 | ath5k_eeprom_init_header(struct ath5k_hw *ah) | |
73 | { | |
74 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
1048643e | 75 | u16 val; |
359207c6 | 76 | u32 cksum, offset, eep_max = AR5K_EEPROM_INFO_MAX; |
1048643e | 77 | |
1048643e FF |
78 | /* |
79 | * Read values from EEPROM and store them in the capability structure | |
80 | */ | |
81 | AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MAGIC, ee_magic); | |
82 | AR5K_EEPROM_READ_HDR(AR5K_EEPROM_PROTECT, ee_protect); | |
83 | AR5K_EEPROM_READ_HDR(AR5K_EEPROM_REG_DOMAIN, ee_regdomain); | |
84 | AR5K_EEPROM_READ_HDR(AR5K_EEPROM_VERSION, ee_version); | |
85 | AR5K_EEPROM_READ_HDR(AR5K_EEPROM_HDR, ee_header); | |
86 | ||
87 | /* Return if we have an old EEPROM */ | |
88 | if (ah->ah_ee_version < AR5K_EEPROM_VERSION_3_0) | |
89 | return 0; | |
90 | ||
1048643e FF |
91 | /* |
92 | * Validate the checksum of the EEPROM date. There are some | |
93 | * devices with invalid EEPROMs. | |
94 | */ | |
359207c6 LR |
95 | AR5K_EEPROM_READ(AR5K_EEPROM_SIZE_UPPER, val); |
96 | if (val) { | |
97 | eep_max = (val & AR5K_EEPROM_SIZE_UPPER_MASK) << | |
98 | AR5K_EEPROM_SIZE_ENDLOC_SHIFT; | |
99 | AR5K_EEPROM_READ(AR5K_EEPROM_SIZE_LOWER, val); | |
100 | eep_max = (eep_max | val) - AR5K_EEPROM_INFO_BASE; | |
101 | ||
102 | /* | |
103 | * Fail safe check to prevent stupid loops due | |
104 | * to busted EEPROMs. XXX: This value is likely too | |
105 | * big still, waiting on a better value. | |
106 | */ | |
107 | if (eep_max > (3 * AR5K_EEPROM_INFO_MAX)) { | |
108 | ATH5K_ERR(ah->ah_sc, "Invalid max custom EEPROM size: " | |
109 | "%d (0x%04x) max expected: %d (0x%04x)\n", | |
110 | eep_max, eep_max, | |
111 | 3 * AR5K_EEPROM_INFO_MAX, | |
112 | 3 * AR5K_EEPROM_INFO_MAX); | |
113 | return -EIO; | |
114 | } | |
115 | } | |
116 | ||
117 | for (cksum = 0, offset = 0; offset < eep_max; offset++) { | |
1048643e FF |
118 | AR5K_EEPROM_READ(AR5K_EEPROM_INFO(offset), val); |
119 | cksum ^= val; | |
120 | } | |
121 | if (cksum != AR5K_EEPROM_INFO_CKSUM) { | |
359207c6 LR |
122 | ATH5K_ERR(ah->ah_sc, "Invalid EEPROM " |
123 | "checksum: 0x%04x eep_max: 0x%04x (%s)\n", | |
124 | cksum, eep_max, | |
125 | eep_max == AR5K_EEPROM_INFO_MAX ? | |
126 | "default size" : "custom size"); | |
1048643e FF |
127 | return -EIO; |
128 | } | |
1048643e FF |
129 | |
130 | AR5K_EEPROM_READ_HDR(AR5K_EEPROM_ANT_GAIN(ah->ah_ee_version), | |
131 | ee_ant_gain); | |
132 | ||
133 | if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_0) { | |
134 | AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC0, ee_misc0); | |
135 | AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC1, ee_misc1); | |
0ea9c00c NK |
136 | |
137 | /* XXX: Don't know which versions include these two */ | |
138 | AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC2, ee_misc2); | |
139 | ||
140 | if (ee->ee_version >= AR5K_EEPROM_VERSION_4_3) | |
141 | AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC3, ee_misc3); | |
142 | ||
143 | if (ee->ee_version >= AR5K_EEPROM_VERSION_5_0) { | |
144 | AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC4, ee_misc4); | |
145 | AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC5, ee_misc5); | |
146 | AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC6, ee_misc6); | |
147 | } | |
1048643e FF |
148 | } |
149 | ||
150 | if (ah->ah_ee_version < AR5K_EEPROM_VERSION_3_3) { | |
151 | AR5K_EEPROM_READ(AR5K_EEPROM_OBDB0_2GHZ, val); | |
152 | ee->ee_ob[AR5K_EEPROM_MODE_11B][0] = val & 0x7; | |
153 | ee->ee_db[AR5K_EEPROM_MODE_11B][0] = (val >> 3) & 0x7; | |
154 | ||
155 | AR5K_EEPROM_READ(AR5K_EEPROM_OBDB1_2GHZ, val); | |
156 | ee->ee_ob[AR5K_EEPROM_MODE_11G][0] = val & 0x7; | |
157 | ee->ee_db[AR5K_EEPROM_MODE_11G][0] = (val >> 3) & 0x7; | |
158 | } | |
159 | ||
1889ba0a NK |
160 | AR5K_EEPROM_READ(AR5K_EEPROM_IS_HB63, val); |
161 | ||
162 | if ((ah->ah_mac_version == (AR5K_SREV_AR2425 >> 4)) && val) | |
163 | ee->ee_is_hb63 = true; | |
164 | else | |
165 | ee->ee_is_hb63 = false; | |
166 | ||
167 | AR5K_EEPROM_READ(AR5K_EEPROM_RFKILL, val); | |
168 | ee->ee_rfkill_pin = (u8) AR5K_REG_MS(val, AR5K_EEPROM_RFKILL_GPIO_SEL); | |
169 | ee->ee_rfkill_pol = val & AR5K_EEPROM_RFKILL_POLARITY ? true : false; | |
170 | ||
c38e7a93 NK |
171 | /* Check if PCIE_OFFSET points to PCIE_SERDES_SECTION |
172 | * and enable serdes programming if needed. | |
173 | * | |
174 | * XXX: Serdes values seem to be fixed so | |
175 | * no need to read them here, we write them | |
132b1c3e | 176 | * during ath5k_hw_init */ |
c38e7a93 NK |
177 | AR5K_EEPROM_READ(AR5K_EEPROM_PCIE_OFFSET, val); |
178 | ee->ee_serdes = (val == AR5K_EEPROM_PCIE_SERDES_SECTION) ? | |
179 | true : false; | |
180 | ||
1048643e FF |
181 | return 0; |
182 | } | |
183 | ||
184 | ||
c6e387a2 NK |
185 | /* |
186 | * Read antenna infos from eeprom | |
187 | */ | |
188 | static int ath5k_eeprom_read_ants(struct ath5k_hw *ah, u32 *offset, | |
189 | unsigned int mode) | |
190 | { | |
191 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
192 | u32 o = *offset; | |
193 | u16 val; | |
fda9b7af | 194 | int i = 0; |
c6e387a2 NK |
195 | |
196 | AR5K_EEPROM_READ(o++, val); | |
197 | ee->ee_switch_settling[mode] = (val >> 8) & 0x7f; | |
1048643e | 198 | ee->ee_atn_tx_rx[mode] = (val >> 2) & 0x3f; |
c6e387a2 NK |
199 | ee->ee_ant_control[mode][i] = (val << 4) & 0x3f; |
200 | ||
201 | AR5K_EEPROM_READ(o++, val); | |
202 | ee->ee_ant_control[mode][i++] |= (val >> 12) & 0xf; | |
203 | ee->ee_ant_control[mode][i++] = (val >> 6) & 0x3f; | |
204 | ee->ee_ant_control[mode][i++] = val & 0x3f; | |
205 | ||
206 | AR5K_EEPROM_READ(o++, val); | |
207 | ee->ee_ant_control[mode][i++] = (val >> 10) & 0x3f; | |
208 | ee->ee_ant_control[mode][i++] = (val >> 4) & 0x3f; | |
209 | ee->ee_ant_control[mode][i] = (val << 2) & 0x3f; | |
210 | ||
211 | AR5K_EEPROM_READ(o++, val); | |
212 | ee->ee_ant_control[mode][i++] |= (val >> 14) & 0x3; | |
213 | ee->ee_ant_control[mode][i++] = (val >> 8) & 0x3f; | |
214 | ee->ee_ant_control[mode][i++] = (val >> 2) & 0x3f; | |
215 | ee->ee_ant_control[mode][i] = (val << 4) & 0x3f; | |
216 | ||
217 | AR5K_EEPROM_READ(o++, val); | |
218 | ee->ee_ant_control[mode][i++] |= (val >> 12) & 0xf; | |
219 | ee->ee_ant_control[mode][i++] = (val >> 6) & 0x3f; | |
220 | ee->ee_ant_control[mode][i++] = val & 0x3f; | |
221 | ||
2bed03eb NK |
222 | /* Get antenna switch tables */ |
223 | ah->ah_ant_ctl[mode][AR5K_ANT_CTL] = | |
e8f055f0 | 224 | (ee->ee_ant_control[mode][0] << 4); |
2bed03eb | 225 | ah->ah_ant_ctl[mode][AR5K_ANT_SWTABLE_A] = |
c6e387a2 NK |
226 | ee->ee_ant_control[mode][1] | |
227 | (ee->ee_ant_control[mode][2] << 6) | | |
228 | (ee->ee_ant_control[mode][3] << 12) | | |
229 | (ee->ee_ant_control[mode][4] << 18) | | |
230 | (ee->ee_ant_control[mode][5] << 24); | |
2bed03eb | 231 | ah->ah_ant_ctl[mode][AR5K_ANT_SWTABLE_B] = |
c6e387a2 NK |
232 | ee->ee_ant_control[mode][6] | |
233 | (ee->ee_ant_control[mode][7] << 6) | | |
234 | (ee->ee_ant_control[mode][8] << 12) | | |
235 | (ee->ee_ant_control[mode][9] << 18) | | |
236 | (ee->ee_ant_control[mode][10] << 24); | |
237 | ||
238 | /* return new offset */ | |
239 | *offset = o; | |
240 | ||
241 | return 0; | |
242 | } | |
243 | ||
244 | /* | |
0ea9c00c NK |
245 | * Read supported modes and some mode-specific calibration data |
246 | * from eeprom | |
c6e387a2 NK |
247 | */ |
248 | static int ath5k_eeprom_read_modes(struct ath5k_hw *ah, u32 *offset, | |
249 | unsigned int mode) | |
250 | { | |
251 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
252 | u32 o = *offset; | |
253 | u16 val; | |
c6e387a2 | 254 | |
1048643e FF |
255 | ee->ee_n_piers[mode] = 0; |
256 | AR5K_EEPROM_READ(o++, val); | |
257 | ee->ee_adc_desired_size[mode] = (s8)((val >> 8) & 0xff); | |
258 | switch(mode) { | |
259 | case AR5K_EEPROM_MODE_11A: | |
8e218fb2 NK |
260 | ee->ee_ob[mode][3] = (val >> 5) & 0x7; |
261 | ee->ee_db[mode][3] = (val >> 2) & 0x7; | |
262 | ee->ee_ob[mode][2] = (val << 1) & 0x7; | |
1048643e FF |
263 | |
264 | AR5K_EEPROM_READ(o++, val); | |
8e218fb2 NK |
265 | ee->ee_ob[mode][2] |= (val >> 15) & 0x1; |
266 | ee->ee_db[mode][2] = (val >> 12) & 0x7; | |
267 | ee->ee_ob[mode][1] = (val >> 9) & 0x7; | |
268 | ee->ee_db[mode][1] = (val >> 6) & 0x7; | |
269 | ee->ee_ob[mode][0] = (val >> 3) & 0x7; | |
270 | ee->ee_db[mode][0] = val & 0x7; | |
1048643e FF |
271 | break; |
272 | case AR5K_EEPROM_MODE_11G: | |
273 | case AR5K_EEPROM_MODE_11B: | |
8e218fb2 NK |
274 | ee->ee_ob[mode][1] = (val >> 4) & 0x7; |
275 | ee->ee_db[mode][1] = val & 0x7; | |
1048643e FF |
276 | break; |
277 | } | |
278 | ||
c6e387a2 NK |
279 | AR5K_EEPROM_READ(o++, val); |
280 | ee->ee_tx_end2xlna_enable[mode] = (val >> 8) & 0xff; | |
281 | ee->ee_thr_62[mode] = val & 0xff; | |
282 | ||
283 | if (ah->ah_ee_version <= AR5K_EEPROM_VERSION_3_2) | |
284 | ee->ee_thr_62[mode] = mode == AR5K_EEPROM_MODE_11A ? 15 : 28; | |
285 | ||
286 | AR5K_EEPROM_READ(o++, val); | |
287 | ee->ee_tx_end2xpa_disable[mode] = (val >> 8) & 0xff; | |
288 | ee->ee_tx_frm2xpa_enable[mode] = val & 0xff; | |
289 | ||
290 | AR5K_EEPROM_READ(o++, val); | |
291 | ee->ee_pga_desired_size[mode] = (val >> 8) & 0xff; | |
292 | ||
293 | if ((val & 0xff) & 0x80) | |
294 | ee->ee_noise_floor_thr[mode] = -((((val & 0xff) ^ 0xff)) + 1); | |
295 | else | |
296 | ee->ee_noise_floor_thr[mode] = val & 0xff; | |
297 | ||
298 | if (ah->ah_ee_version <= AR5K_EEPROM_VERSION_3_2) | |
299 | ee->ee_noise_floor_thr[mode] = | |
300 | mode == AR5K_EEPROM_MODE_11A ? -54 : -1; | |
301 | ||
302 | AR5K_EEPROM_READ(o++, val); | |
303 | ee->ee_xlna_gain[mode] = (val >> 5) & 0xff; | |
304 | ee->ee_x_gain[mode] = (val >> 1) & 0xf; | |
305 | ee->ee_xpd[mode] = val & 0x1; | |
306 | ||
687c8ff1 BR |
307 | if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_0 && |
308 | mode != AR5K_EEPROM_MODE_11B) | |
c6e387a2 NK |
309 | ee->ee_fixed_bias[mode] = (val >> 13) & 0x1; |
310 | ||
311 | if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_3_3) { | |
312 | AR5K_EEPROM_READ(o++, val); | |
313 | ee->ee_false_detect[mode] = (val >> 6) & 0x7f; | |
314 | ||
315 | if (mode == AR5K_EEPROM_MODE_11A) | |
316 | ee->ee_xr_power[mode] = val & 0x3f; | |
317 | else { | |
687c8ff1 | 318 | /* b_DB_11[bg] and b_OB_11[bg] */ |
c6e387a2 NK |
319 | ee->ee_ob[mode][0] = val & 0x7; |
320 | ee->ee_db[mode][0] = (val >> 3) & 0x7; | |
321 | } | |
322 | } | |
323 | ||
324 | if (ah->ah_ee_version < AR5K_EEPROM_VERSION_3_4) { | |
325 | ee->ee_i_gain[mode] = AR5K_EEPROM_I_GAIN; | |
326 | ee->ee_cck_ofdm_power_delta = AR5K_EEPROM_CCK_OFDM_DELTA; | |
327 | } else { | |
328 | ee->ee_i_gain[mode] = (val >> 13) & 0x7; | |
329 | ||
330 | AR5K_EEPROM_READ(o++, val); | |
331 | ee->ee_i_gain[mode] |= (val << 3) & 0x38; | |
332 | ||
1048643e | 333 | if (mode == AR5K_EEPROM_MODE_11G) { |
c6e387a2 | 334 | ee->ee_cck_ofdm_power_delta = (val >> 3) & 0xff; |
1048643e FF |
335 | if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_6) |
336 | ee->ee_scaled_cck_delta = (val >> 11) & 0x1f; | |
337 | } | |
c6e387a2 NK |
338 | } |
339 | ||
340 | if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_0 && | |
341 | mode == AR5K_EEPROM_MODE_11A) { | |
342 | ee->ee_i_cal[mode] = (val >> 8) & 0x3f; | |
343 | ee->ee_q_cal[mode] = (val >> 3) & 0x1f; | |
344 | } | |
345 | ||
1048643e FF |
346 | if (ah->ah_ee_version < AR5K_EEPROM_VERSION_4_0) |
347 | goto done; | |
348 | ||
0ea9c00c NK |
349 | /* Note: >= v5 have bg freq piers on another location |
350 | * so these freq piers are ignored for >= v5 (should be 0xff | |
351 | * anyway) */ | |
1048643e FF |
352 | switch(mode) { |
353 | case AR5K_EEPROM_MODE_11A: | |
354 | if (ah->ah_ee_version < AR5K_EEPROM_VERSION_4_1) | |
355 | break; | |
356 | ||
357 | AR5K_EEPROM_READ(o++, val); | |
358 | ee->ee_margin_tx_rx[mode] = val & 0x3f; | |
359 | break; | |
360 | case AR5K_EEPROM_MODE_11B: | |
361 | AR5K_EEPROM_READ(o++, val); | |
362 | ||
363 | ee->ee_pwr_cal_b[0].freq = | |
364 | ath5k_eeprom_bin2freq(ee, val & 0xff, mode); | |
365 | if (ee->ee_pwr_cal_b[0].freq != AR5K_EEPROM_CHANNEL_DIS) | |
366 | ee->ee_n_piers[mode]++; | |
367 | ||
368 | ee->ee_pwr_cal_b[1].freq = | |
369 | ath5k_eeprom_bin2freq(ee, (val >> 8) & 0xff, mode); | |
370 | if (ee->ee_pwr_cal_b[1].freq != AR5K_EEPROM_CHANNEL_DIS) | |
371 | ee->ee_n_piers[mode]++; | |
372 | ||
373 | AR5K_EEPROM_READ(o++, val); | |
374 | ee->ee_pwr_cal_b[2].freq = | |
375 | ath5k_eeprom_bin2freq(ee, val & 0xff, mode); | |
376 | if (ee->ee_pwr_cal_b[2].freq != AR5K_EEPROM_CHANNEL_DIS) | |
377 | ee->ee_n_piers[mode]++; | |
378 | ||
379 | if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_1) | |
380 | ee->ee_margin_tx_rx[mode] = (val >> 8) & 0x3f; | |
381 | break; | |
382 | case AR5K_EEPROM_MODE_11G: | |
383 | AR5K_EEPROM_READ(o++, val); | |
384 | ||
385 | ee->ee_pwr_cal_g[0].freq = | |
386 | ath5k_eeprom_bin2freq(ee, val & 0xff, mode); | |
387 | if (ee->ee_pwr_cal_g[0].freq != AR5K_EEPROM_CHANNEL_DIS) | |
388 | ee->ee_n_piers[mode]++; | |
389 | ||
390 | ee->ee_pwr_cal_g[1].freq = | |
391 | ath5k_eeprom_bin2freq(ee, (val >> 8) & 0xff, mode); | |
392 | if (ee->ee_pwr_cal_g[1].freq != AR5K_EEPROM_CHANNEL_DIS) | |
393 | ee->ee_n_piers[mode]++; | |
394 | ||
395 | AR5K_EEPROM_READ(o++, val); | |
396 | ee->ee_turbo_max_power[mode] = val & 0x7f; | |
397 | ee->ee_xr_power[mode] = (val >> 7) & 0x3f; | |
398 | ||
399 | AR5K_EEPROM_READ(o++, val); | |
400 | ee->ee_pwr_cal_g[2].freq = | |
401 | ath5k_eeprom_bin2freq(ee, val & 0xff, mode); | |
402 | if (ee->ee_pwr_cal_g[2].freq != AR5K_EEPROM_CHANNEL_DIS) | |
403 | ee->ee_n_piers[mode]++; | |
c6e387a2 | 404 | |
1048643e FF |
405 | if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_1) |
406 | ee->ee_margin_tx_rx[mode] = (val >> 8) & 0x3f; | |
407 | ||
408 | AR5K_EEPROM_READ(o++, val); | |
5f13bfac BR |
409 | ee->ee_i_cal[mode] = (val >> 5) & 0x3f; |
410 | ee->ee_q_cal[mode] = val & 0x1f; | |
1048643e FF |
411 | |
412 | if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_2) { | |
413 | AR5K_EEPROM_READ(o++, val); | |
414 | ee->ee_cck_ofdm_gain_delta = val & 0xff; | |
415 | } | |
416 | break; | |
417 | } | |
418 | ||
3b3ee43d PR |
419 | /* |
420 | * Read turbo mode information on newer EEPROM versions | |
421 | */ | |
1048643e | 422 | if (ee->ee_version < AR5K_EEPROM_VERSION_5_0) |
3b3ee43d | 423 | goto done; |
c6e387a2 | 424 | |
1048643e FF |
425 | switch (mode){ |
426 | case AR5K_EEPROM_MODE_11A: | |
427 | ee->ee_switch_settling_turbo[mode] = (val >> 6) & 0x7f; | |
c6e387a2 | 428 | |
1048643e FF |
429 | ee->ee_atn_tx_rx_turbo[mode] = (val >> 13) & 0x7; |
430 | AR5K_EEPROM_READ(o++, val); | |
431 | ee->ee_atn_tx_rx_turbo[mode] |= (val & 0x7) << 3; | |
432 | ee->ee_margin_tx_rx_turbo[mode] = (val >> 3) & 0x3f; | |
433 | ||
434 | ee->ee_adc_desired_size_turbo[mode] = (val >> 9) & 0x7f; | |
435 | AR5K_EEPROM_READ(o++, val); | |
436 | ee->ee_adc_desired_size_turbo[mode] |= (val & 0x1) << 7; | |
437 | ee->ee_pga_desired_size_turbo[mode] = (val >> 1) & 0xff; | |
438 | ||
439 | if (AR5K_EEPROM_EEMAP(ee->ee_misc0) >=2) | |
440 | ee->ee_pd_gain_overlap = (val >> 9) & 0xf; | |
441 | break; | |
442 | case AR5K_EEPROM_MODE_11G: | |
443 | ee->ee_switch_settling_turbo[mode] = (val >> 8) & 0x7f; | |
444 | ||
445 | ee->ee_atn_tx_rx_turbo[mode] = (val >> 15) & 0x7; | |
446 | AR5K_EEPROM_READ(o++, val); | |
447 | ee->ee_atn_tx_rx_turbo[mode] |= (val & 0x1f) << 1; | |
448 | ee->ee_margin_tx_rx_turbo[mode] = (val >> 5) & 0x3f; | |
449 | ||
450 | ee->ee_adc_desired_size_turbo[mode] = (val >> 11) & 0x7f; | |
451 | AR5K_EEPROM_READ(o++, val); | |
452 | ee->ee_adc_desired_size_turbo[mode] |= (val & 0x7) << 5; | |
453 | ee->ee_pga_desired_size_turbo[mode] = (val >> 3) & 0xff; | |
454 | break; | |
455 | } | |
456 | ||
3b3ee43d | 457 | done: |
1048643e FF |
458 | /* return new offset */ |
459 | *offset = o; | |
460 | ||
461 | return 0; | |
462 | } | |
463 | ||
0ea9c00c | 464 | /* Read mode-specific data (except power calibration data) */ |
1048643e FF |
465 | static int |
466 | ath5k_eeprom_init_modes(struct ath5k_hw *ah) | |
467 | { | |
468 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
469 | u32 mode_offset[3]; | |
470 | unsigned int mode; | |
471 | u32 offset; | |
472 | int ret; | |
c6e387a2 | 473 | |
c6e387a2 | 474 | /* |
1048643e | 475 | * Get values for all modes |
c6e387a2 | 476 | */ |
1048643e FF |
477 | mode_offset[AR5K_EEPROM_MODE_11A] = AR5K_EEPROM_MODES_11A(ah->ah_ee_version); |
478 | mode_offset[AR5K_EEPROM_MODE_11B] = AR5K_EEPROM_MODES_11B(ah->ah_ee_version); | |
479 | mode_offset[AR5K_EEPROM_MODE_11G] = AR5K_EEPROM_MODES_11G(ah->ah_ee_version); | |
480 | ||
481 | ee->ee_turbo_max_power[AR5K_EEPROM_MODE_11A] = | |
482 | AR5K_EEPROM_HDR_T_5GHZ_DBM(ee->ee_header); | |
483 | ||
484 | for (mode = AR5K_EEPROM_MODE_11A; mode <= AR5K_EEPROM_MODE_11G; mode++) { | |
485 | offset = mode_offset[mode]; | |
486 | ||
487 | ret = ath5k_eeprom_read_ants(ah, &offset, mode); | |
488 | if (ret) | |
489 | return ret; | |
490 | ||
491 | ret = ath5k_eeprom_read_modes(ah, &offset, mode); | |
492 | if (ret) | |
493 | return ret; | |
c6e387a2 | 494 | } |
1048643e FF |
495 | |
496 | /* override for older eeprom versions for better performance */ | |
497 | if (ah->ah_ee_version <= AR5K_EEPROM_VERSION_3_2) { | |
498 | ee->ee_thr_62[AR5K_EEPROM_MODE_11A] = 15; | |
499 | ee->ee_thr_62[AR5K_EEPROM_MODE_11B] = 28; | |
500 | ee->ee_thr_62[AR5K_EEPROM_MODE_11G] = 28; | |
c6e387a2 | 501 | } |
c6e387a2 | 502 | |
1048643e FF |
503 | return 0; |
504 | } | |
c6e387a2 | 505 | |
0ea9c00c NK |
506 | /* Read the frequency piers for each mode (mostly used on newer eeproms with 0xff |
507 | * frequency mask) */ | |
1048643e FF |
508 | static inline int |
509 | ath5k_eeprom_read_freq_list(struct ath5k_hw *ah, int *offset, int max, | |
0ea9c00c | 510 | struct ath5k_chan_pcal_info *pc, unsigned int mode) |
1048643e | 511 | { |
0ea9c00c | 512 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; |
1048643e FF |
513 | int o = *offset; |
514 | int i = 0; | |
0ea9c00c | 515 | u8 freq1, freq2; |
1048643e FF |
516 | u16 val; |
517 | ||
8e218fb2 | 518 | ee->ee_n_piers[mode] = 0; |
1048643e FF |
519 | while(i < max) { |
520 | AR5K_EEPROM_READ(o++, val); | |
521 | ||
8e218fb2 NK |
522 | freq1 = val & 0xff; |
523 | if (!freq1) | |
524 | break; | |
1048643e | 525 | |
8e218fb2 NK |
526 | pc[i++].freq = ath5k_eeprom_bin2freq(ee, |
527 | freq1, mode); | |
528 | ee->ee_n_piers[mode]++; | |
1048643e | 529 | |
8e218fb2 NK |
530 | freq2 = (val >> 8) & 0xff; |
531 | if (!freq2) | |
1048643e | 532 | break; |
8e218fb2 NK |
533 | |
534 | pc[i++].freq = ath5k_eeprom_bin2freq(ee, | |
535 | freq2, mode); | |
536 | ee->ee_n_piers[mode]++; | |
c6e387a2 | 537 | } |
0ea9c00c NK |
538 | |
539 | /* return new offset */ | |
1048643e | 540 | *offset = o; |
c6e387a2 | 541 | |
1048643e FF |
542 | return 0; |
543 | } | |
544 | ||
0ea9c00c | 545 | /* Read frequency piers for 802.11a */ |
1048643e FF |
546 | static int |
547 | ath5k_eeprom_init_11a_pcal_freq(struct ath5k_hw *ah, int offset) | |
548 | { | |
549 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
550 | struct ath5k_chan_pcal_info *pcal = ee->ee_pwr_cal_a; | |
fda9b7af | 551 | int i; |
1048643e FF |
552 | u16 val; |
553 | u8 mask; | |
554 | ||
555 | if (ee->ee_version >= AR5K_EEPROM_VERSION_3_3) { | |
556 | ath5k_eeprom_read_freq_list(ah, &offset, | |
557 | AR5K_EEPROM_N_5GHZ_CHAN, pcal, | |
0ea9c00c | 558 | AR5K_EEPROM_MODE_11A); |
1048643e FF |
559 | } else { |
560 | mask = AR5K_EEPROM_FREQ_M(ah->ah_ee_version); | |
c6e387a2 | 561 | |
c6e387a2 | 562 | AR5K_EEPROM_READ(offset++, val); |
1048643e FF |
563 | pcal[0].freq = (val >> 9) & mask; |
564 | pcal[1].freq = (val >> 2) & mask; | |
565 | pcal[2].freq = (val << 5) & mask; | |
566 | ||
567 | AR5K_EEPROM_READ(offset++, val); | |
568 | pcal[2].freq |= (val >> 11) & 0x1f; | |
569 | pcal[3].freq = (val >> 4) & mask; | |
570 | pcal[4].freq = (val << 3) & mask; | |
571 | ||
572 | AR5K_EEPROM_READ(offset++, val); | |
573 | pcal[4].freq |= (val >> 13) & 0x7; | |
574 | pcal[5].freq = (val >> 6) & mask; | |
575 | pcal[6].freq = (val << 1) & mask; | |
576 | ||
577 | AR5K_EEPROM_READ(offset++, val); | |
578 | pcal[6].freq |= (val >> 15) & 0x1; | |
579 | pcal[7].freq = (val >> 8) & mask; | |
580 | pcal[8].freq = (val >> 1) & mask; | |
581 | pcal[9].freq = (val << 6) & mask; | |
582 | ||
583 | AR5K_EEPROM_READ(offset++, val); | |
584 | pcal[9].freq |= (val >> 10) & 0x3f; | |
0ea9c00c NK |
585 | |
586 | /* Fixed number of piers */ | |
1048643e | 587 | ee->ee_n_piers[AR5K_EEPROM_MODE_11A] = 10; |
c6e387a2 | 588 | |
0ea9c00c NK |
589 | for (i = 0; i < AR5K_EEPROM_N_5GHZ_CHAN; i++) { |
590 | pcal[i].freq = ath5k_eeprom_bin2freq(ee, | |
1048643e | 591 | pcal[i].freq, AR5K_EEPROM_MODE_11A); |
0ea9c00c | 592 | } |
1048643e | 593 | } |
c6e387a2 | 594 | |
1048643e FF |
595 | return 0; |
596 | } | |
c6e387a2 | 597 | |
0ea9c00c | 598 | /* Read frequency piers for 802.11bg on eeprom versions >= 5 and eemap >= 2 */ |
1048643e FF |
599 | static inline int |
600 | ath5k_eeprom_init_11bg_2413(struct ath5k_hw *ah, unsigned int mode, int offset) | |
601 | { | |
602 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
603 | struct ath5k_chan_pcal_info *pcal; | |
1048643e FF |
604 | |
605 | switch(mode) { | |
606 | case AR5K_EEPROM_MODE_11B: | |
607 | pcal = ee->ee_pwr_cal_b; | |
608 | break; | |
609 | case AR5K_EEPROM_MODE_11G: | |
610 | pcal = ee->ee_pwr_cal_g; | |
611 | break; | |
612 | default: | |
613 | return -EINVAL; | |
614 | } | |
c6e387a2 | 615 | |
1048643e FF |
616 | ath5k_eeprom_read_freq_list(ah, &offset, |
617 | AR5K_EEPROM_N_2GHZ_CHAN_2413, pcal, | |
0ea9c00c | 618 | mode); |
c6e387a2 | 619 | |
1048643e FF |
620 | return 0; |
621 | } | |
c6e387a2 | 622 | |
9320b5c4 | 623 | |
8e218fb2 NK |
624 | /* |
625 | * Read power calibration for RF5111 chips | |
626 | * | |
0ea9c00c | 627 | * For RF5111 we have an XPD -eXternal Power Detector- curve |
8e218fb2 NK |
628 | * for each calibrated channel. Each curve has 0,5dB Power steps |
629 | * on x axis and PCDAC steps (offsets) on y axis and looks like an | |
630 | * exponential function. To recreate the curve we read 11 points | |
631 | * here and interpolate later. | |
0ea9c00c | 632 | */ |
8e218fb2 NK |
633 | |
634 | /* Used to match PCDAC steps with power values on RF5111 chips | |
635 | * (eeprom versions < 4). For RF5111 we have 11 pre-defined PCDAC | |
636 | * steps that match with the power values we read from eeprom. On | |
637 | * older eeprom versions (< 3.2) these steps are equaly spaced at | |
a180a130 | 638 | * 10% of the pcdac curve -until the curve reaches its maximum- |
8e218fb2 NK |
639 | * (11 steps from 0 to 100%) but on newer eeprom versions (>= 3.2) |
640 | * these 11 steps are spaced in a different way. This function returns | |
641 | * the pcdac steps based on eeprom version and curve min/max so that we | |
642 | * can have pcdac/pwr points. | |
643 | */ | |
644 | static inline void | |
645 | ath5k_get_pcdac_intercepts(struct ath5k_hw *ah, u8 min, u8 max, u8 *vp) | |
646 | { | |
bbb33881 | 647 | static const u16 intercepts3[] = |
8e218fb2 | 648 | { 0, 5, 10, 20, 30, 50, 70, 85, 90, 95, 100 }; |
bbb33881 | 649 | static const u16 intercepts3_2[] = |
8e218fb2 NK |
650 | { 0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100 }; |
651 | const u16 *ip; | |
652 | int i; | |
653 | ||
654 | if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_3_2) | |
655 | ip = intercepts3_2; | |
656 | else | |
657 | ip = intercepts3; | |
658 | ||
659 | for (i = 0; i < ARRAY_SIZE(intercepts3); i++) | |
660 | vp[i] = (ip[i] * max + (100 - ip[i]) * min) / 100; | |
661 | } | |
662 | ||
663 | /* Convert RF5111 specific data to generic raw data | |
664 | * used by interpolation code */ | |
665 | static int | |
666 | ath5k_eeprom_convert_pcal_info_5111(struct ath5k_hw *ah, int mode, | |
667 | struct ath5k_chan_pcal_info *chinfo) | |
668 | { | |
669 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
670 | struct ath5k_chan_pcal_info_rf5111 *pcinfo; | |
671 | struct ath5k_pdgain_info *pd; | |
672 | u8 pier, point, idx; | |
673 | u8 *pdgain_idx = ee->ee_pdc_to_idx[mode]; | |
674 | ||
675 | /* Fill raw data for each calibration pier */ | |
676 | for (pier = 0; pier < ee->ee_n_piers[mode]; pier++) { | |
677 | ||
678 | pcinfo = &chinfo[pier].rf5111_info; | |
679 | ||
680 | /* Allocate pd_curves for this cal pier */ | |
681 | chinfo[pier].pd_curves = | |
682 | kcalloc(AR5K_EEPROM_N_PD_CURVES, | |
683 | sizeof(struct ath5k_pdgain_info), | |
684 | GFP_KERNEL); | |
685 | ||
686 | if (!chinfo[pier].pd_curves) | |
687 | return -ENOMEM; | |
688 | ||
689 | /* Only one curve for RF5111 | |
690 | * find out which one and place | |
77c2061d | 691 | * in pd_curves. |
8e218fb2 NK |
692 | * Note: ee_x_gain is reversed here */ |
693 | for (idx = 0; idx < AR5K_EEPROM_N_PD_CURVES; idx++) { | |
694 | ||
695 | if (!((ee->ee_x_gain[mode] >> idx) & 0x1)) { | |
696 | pdgain_idx[0] = idx; | |
697 | break; | |
698 | } | |
699 | } | |
700 | ||
701 | ee->ee_pd_gains[mode] = 1; | |
702 | ||
703 | pd = &chinfo[pier].pd_curves[idx]; | |
704 | ||
705 | pd->pd_points = AR5K_EEPROM_N_PWR_POINTS_5111; | |
706 | ||
707 | /* Allocate pd points for this curve */ | |
708 | pd->pd_step = kcalloc(AR5K_EEPROM_N_PWR_POINTS_5111, | |
709 | sizeof(u8), GFP_KERNEL); | |
710 | if (!pd->pd_step) | |
711 | return -ENOMEM; | |
712 | ||
713 | pd->pd_pwr = kcalloc(AR5K_EEPROM_N_PWR_POINTS_5111, | |
714 | sizeof(s16), GFP_KERNEL); | |
715 | if (!pd->pd_pwr) | |
716 | return -ENOMEM; | |
717 | ||
718 | /* Fill raw dataset | |
719 | * (convert power to 0.25dB units | |
720 | * for RF5112 combatibility) */ | |
721 | for (point = 0; point < pd->pd_points; point++) { | |
722 | ||
723 | /* Absolute values */ | |
724 | pd->pd_pwr[point] = 2 * pcinfo->pwr[point]; | |
725 | ||
726 | /* Already sorted */ | |
727 | pd->pd_step[point] = pcinfo->pcdac[point]; | |
728 | } | |
729 | ||
730 | /* Set min/max pwr */ | |
731 | chinfo[pier].min_pwr = pd->pd_pwr[0]; | |
732 | chinfo[pier].max_pwr = pd->pd_pwr[10]; | |
733 | ||
734 | } | |
735 | ||
736 | return 0; | |
737 | } | |
738 | ||
739 | /* Parse EEPROM data */ | |
1048643e FF |
740 | static int |
741 | ath5k_eeprom_read_pcal_info_5111(struct ath5k_hw *ah, int mode) | |
742 | { | |
743 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
744 | struct ath5k_chan_pcal_info *pcal; | |
745 | int offset, ret; | |
eaee7cc2 | 746 | int i; |
1048643e FF |
747 | u16 val; |
748 | ||
749 | offset = AR5K_EEPROM_GROUPS_START(ee->ee_version); | |
750 | switch(mode) { | |
751 | case AR5K_EEPROM_MODE_11A: | |
752 | if (!AR5K_EEPROM_HDR_11A(ee->ee_header)) | |
753 | return 0; | |
754 | ||
755 | ret = ath5k_eeprom_init_11a_pcal_freq(ah, | |
756 | offset + AR5K_EEPROM_GROUP1_OFFSET); | |
757 | if (ret < 0) | |
758 | return ret; | |
759 | ||
760 | offset += AR5K_EEPROM_GROUP2_OFFSET; | |
761 | pcal = ee->ee_pwr_cal_a; | |
762 | break; | |
763 | case AR5K_EEPROM_MODE_11B: | |
764 | if (!AR5K_EEPROM_HDR_11B(ee->ee_header) && | |
765 | !AR5K_EEPROM_HDR_11G(ee->ee_header)) | |
766 | return 0; | |
767 | ||
768 | pcal = ee->ee_pwr_cal_b; | |
769 | offset += AR5K_EEPROM_GROUP3_OFFSET; | |
770 | ||
771 | /* fixed piers */ | |
772 | pcal[0].freq = 2412; | |
773 | pcal[1].freq = 2447; | |
774 | pcal[2].freq = 2484; | |
775 | ee->ee_n_piers[mode] = 3; | |
776 | break; | |
777 | case AR5K_EEPROM_MODE_11G: | |
778 | if (!AR5K_EEPROM_HDR_11G(ee->ee_header)) | |
779 | return 0; | |
780 | ||
781 | pcal = ee->ee_pwr_cal_g; | |
782 | offset += AR5K_EEPROM_GROUP4_OFFSET; | |
783 | ||
784 | /* fixed piers */ | |
785 | pcal[0].freq = 2312; | |
786 | pcal[1].freq = 2412; | |
787 | pcal[2].freq = 2484; | |
788 | ee->ee_n_piers[mode] = 3; | |
789 | break; | |
790 | default: | |
791 | return -EINVAL; | |
c6e387a2 NK |
792 | } |
793 | ||
1048643e FF |
794 | for (i = 0; i < ee->ee_n_piers[mode]; i++) { |
795 | struct ath5k_chan_pcal_info_rf5111 *cdata = | |
796 | &pcal[i].rf5111_info; | |
c6e387a2 | 797 | |
1048643e FF |
798 | AR5K_EEPROM_READ(offset++, val); |
799 | cdata->pcdac_max = ((val >> 10) & AR5K_EEPROM_PCDAC_M); | |
800 | cdata->pcdac_min = ((val >> 4) & AR5K_EEPROM_PCDAC_M); | |
801 | cdata->pwr[0] = ((val << 2) & AR5K_EEPROM_POWER_M); | |
c6e387a2 | 802 | |
1048643e FF |
803 | AR5K_EEPROM_READ(offset++, val); |
804 | cdata->pwr[0] |= ((val >> 14) & 0x3); | |
805 | cdata->pwr[1] = ((val >> 8) & AR5K_EEPROM_POWER_M); | |
806 | cdata->pwr[2] = ((val >> 2) & AR5K_EEPROM_POWER_M); | |
807 | cdata->pwr[3] = ((val << 4) & AR5K_EEPROM_POWER_M); | |
c6e387a2 | 808 | |
1048643e FF |
809 | AR5K_EEPROM_READ(offset++, val); |
810 | cdata->pwr[3] |= ((val >> 12) & 0xf); | |
811 | cdata->pwr[4] = ((val >> 6) & AR5K_EEPROM_POWER_M); | |
812 | cdata->pwr[5] = (val & AR5K_EEPROM_POWER_M); | |
c6e387a2 | 813 | |
c6e387a2 | 814 | AR5K_EEPROM_READ(offset++, val); |
1048643e FF |
815 | cdata->pwr[6] = ((val >> 10) & AR5K_EEPROM_POWER_M); |
816 | cdata->pwr[7] = ((val >> 4) & AR5K_EEPROM_POWER_M); | |
817 | cdata->pwr[8] = ((val << 2) & AR5K_EEPROM_POWER_M); | |
c6e387a2 NK |
818 | |
819 | AR5K_EEPROM_READ(offset++, val); | |
1048643e FF |
820 | cdata->pwr[8] |= ((val >> 14) & 0x3); |
821 | cdata->pwr[9] = ((val >> 8) & AR5K_EEPROM_POWER_M); | |
822 | cdata->pwr[10] = ((val >> 2) & AR5K_EEPROM_POWER_M); | |
823 | ||
824 | ath5k_get_pcdac_intercepts(ah, cdata->pcdac_min, | |
825 | cdata->pcdac_max, cdata->pcdac); | |
c6e387a2 NK |
826 | } |
827 | ||
8e218fb2 | 828 | return ath5k_eeprom_convert_pcal_info_5111(ah, mode, pcal); |
1048643e | 829 | } |
c6e387a2 | 830 | |
8e218fb2 NK |
831 | |
832 | /* | |
833 | * Read power calibration for RF5112 chips | |
834 | * | |
0ea9c00c NK |
835 | * For RF5112 we have 4 XPD -eXternal Power Detector- curves |
836 | * for each calibrated channel on 0, -6, -12 and -18dbm but we only | |
8e218fb2 NK |
837 | * use the higher (3) and the lower (0) curves. Each curve has 0.5dB |
838 | * power steps on x axis and PCDAC steps on y axis and looks like a | |
839 | * linear function. To recreate the curve and pass the power values | |
840 | * on hw, we read 4 points for xpd 0 (lower gain -> max power) | |
841 | * and 3 points for xpd 3 (higher gain -> lower power) here and | |
842 | * interpolate later. | |
0ea9c00c NK |
843 | * |
844 | * Note: Many vendors just use xpd 0 so xpd 3 is zeroed. | |
845 | */ | |
8e218fb2 NK |
846 | |
847 | /* Convert RF5112 specific data to generic raw data | |
848 | * used by interpolation code */ | |
849 | static int | |
850 | ath5k_eeprom_convert_pcal_info_5112(struct ath5k_hw *ah, int mode, | |
851 | struct ath5k_chan_pcal_info *chinfo) | |
852 | { | |
853 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
854 | struct ath5k_chan_pcal_info_rf5112 *pcinfo; | |
855 | u8 *pdgain_idx = ee->ee_pdc_to_idx[mode]; | |
856 | unsigned int pier, pdg, point; | |
857 | ||
858 | /* Fill raw data for each calibration pier */ | |
859 | for (pier = 0; pier < ee->ee_n_piers[mode]; pier++) { | |
860 | ||
861 | pcinfo = &chinfo[pier].rf5112_info; | |
862 | ||
863 | /* Allocate pd_curves for this cal pier */ | |
864 | chinfo[pier].pd_curves = | |
865 | kcalloc(AR5K_EEPROM_N_PD_CURVES, | |
866 | sizeof(struct ath5k_pdgain_info), | |
867 | GFP_KERNEL); | |
868 | ||
869 | if (!chinfo[pier].pd_curves) | |
870 | return -ENOMEM; | |
871 | ||
872 | /* Fill pd_curves */ | |
873 | for (pdg = 0; pdg < ee->ee_pd_gains[mode]; pdg++) { | |
874 | ||
875 | u8 idx = pdgain_idx[pdg]; | |
876 | struct ath5k_pdgain_info *pd = | |
877 | &chinfo[pier].pd_curves[idx]; | |
878 | ||
879 | /* Lowest gain curve (max power) */ | |
880 | if (pdg == 0) { | |
881 | /* One more point for better accuracy */ | |
882 | pd->pd_points = AR5K_EEPROM_N_XPD0_POINTS; | |
883 | ||
884 | /* Allocate pd points for this curve */ | |
885 | pd->pd_step = kcalloc(pd->pd_points, | |
886 | sizeof(u8), GFP_KERNEL); | |
887 | ||
888 | if (!pd->pd_step) | |
889 | return -ENOMEM; | |
890 | ||
891 | pd->pd_pwr = kcalloc(pd->pd_points, | |
892 | sizeof(s16), GFP_KERNEL); | |
893 | ||
894 | if (!pd->pd_pwr) | |
895 | return -ENOMEM; | |
896 | ||
897 | ||
898 | /* Fill raw dataset | |
899 | * (all power levels are in 0.25dB units) */ | |
900 | pd->pd_step[0] = pcinfo->pcdac_x0[0]; | |
901 | pd->pd_pwr[0] = pcinfo->pwr_x0[0]; | |
902 | ||
903 | for (point = 1; point < pd->pd_points; | |
904 | point++) { | |
905 | /* Absolute values */ | |
906 | pd->pd_pwr[point] = | |
907 | pcinfo->pwr_x0[point]; | |
908 | ||
909 | /* Deltas */ | |
910 | pd->pd_step[point] = | |
911 | pd->pd_step[point - 1] + | |
912 | pcinfo->pcdac_x0[point]; | |
913 | } | |
914 | ||
915 | /* Set min power for this frequency */ | |
916 | chinfo[pier].min_pwr = pd->pd_pwr[0]; | |
917 | ||
918 | /* Highest gain curve (min power) */ | |
919 | } else if (pdg == 1) { | |
920 | ||
921 | pd->pd_points = AR5K_EEPROM_N_XPD3_POINTS; | |
922 | ||
923 | /* Allocate pd points for this curve */ | |
924 | pd->pd_step = kcalloc(pd->pd_points, | |
925 | sizeof(u8), GFP_KERNEL); | |
926 | ||
927 | if (!pd->pd_step) | |
928 | return -ENOMEM; | |
929 | ||
930 | pd->pd_pwr = kcalloc(pd->pd_points, | |
931 | sizeof(s16), GFP_KERNEL); | |
932 | ||
933 | if (!pd->pd_pwr) | |
934 | return -ENOMEM; | |
935 | ||
936 | /* Fill raw dataset | |
937 | * (all power levels are in 0.25dB units) */ | |
938 | for (point = 0; point < pd->pd_points; | |
939 | point++) { | |
940 | /* Absolute values */ | |
941 | pd->pd_pwr[point] = | |
942 | pcinfo->pwr_x3[point]; | |
943 | ||
944 | /* Fixed points */ | |
945 | pd->pd_step[point] = | |
946 | pcinfo->pcdac_x3[point]; | |
947 | } | |
948 | ||
949 | /* Since we have a higher gain curve | |
950 | * override min power */ | |
951 | chinfo[pier].min_pwr = pd->pd_pwr[0]; | |
952 | } | |
953 | } | |
954 | } | |
955 | ||
956 | return 0; | |
957 | } | |
958 | ||
959 | /* Parse EEPROM data */ | |
1048643e FF |
960 | static int |
961 | ath5k_eeprom_read_pcal_info_5112(struct ath5k_hw *ah, int mode) | |
962 | { | |
963 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
964 | struct ath5k_chan_pcal_info_rf5112 *chan_pcal_info; | |
965 | struct ath5k_chan_pcal_info *gen_chan_info; | |
8e218fb2 | 966 | u8 *pdgain_idx = ee->ee_pdc_to_idx[mode]; |
1048643e | 967 | u32 offset; |
8e218fb2 | 968 | u8 i, c; |
1048643e | 969 | u16 val; |
8e218fb2 NK |
970 | u8 pd_gains = 0; |
971 | ||
972 | /* Count how many curves we have and | |
973 | * identify them (which one of the 4 | |
974 | * available curves we have on each count). | |
975 | * Curves are stored from lower (x0) to | |
976 | * higher (x3) gain */ | |
977 | for (i = 0; i < AR5K_EEPROM_N_PD_CURVES; i++) { | |
978 | /* ee_x_gain[mode] is x gain mask */ | |
979 | if ((ee->ee_x_gain[mode] >> i) & 0x1) | |
980 | pdgain_idx[pd_gains++] = i; | |
981 | } | |
982 | ee->ee_pd_gains[mode] = pd_gains; | |
983 | ||
984 | if (pd_gains == 0 || pd_gains > 2) | |
985 | return -EINVAL; | |
c6e387a2 | 986 | |
1048643e FF |
987 | switch (mode) { |
988 | case AR5K_EEPROM_MODE_11A: | |
989 | /* | |
990 | * Read 5GHz EEPROM channels | |
991 | */ | |
992 | offset = AR5K_EEPROM_GROUPS_START(ee->ee_version); | |
993 | ath5k_eeprom_init_11a_pcal_freq(ah, offset); | |
994 | ||
995 | offset += AR5K_EEPROM_GROUP2_OFFSET; | |
996 | gen_chan_info = ee->ee_pwr_cal_a; | |
997 | break; | |
998 | case AR5K_EEPROM_MODE_11B: | |
999 | offset = AR5K_EEPROM_GROUPS_START(ee->ee_version); | |
1000 | if (AR5K_EEPROM_HDR_11A(ee->ee_header)) | |
1001 | offset += AR5K_EEPROM_GROUP3_OFFSET; | |
1002 | ||
1003 | /* NB: frequency piers parsed during mode init */ | |
1004 | gen_chan_info = ee->ee_pwr_cal_b; | |
1005 | break; | |
1006 | case AR5K_EEPROM_MODE_11G: | |
1007 | offset = AR5K_EEPROM_GROUPS_START(ee->ee_version); | |
1008 | if (AR5K_EEPROM_HDR_11A(ee->ee_header)) | |
1009 | offset += AR5K_EEPROM_GROUP4_OFFSET; | |
1010 | else if (AR5K_EEPROM_HDR_11B(ee->ee_header)) | |
1011 | offset += AR5K_EEPROM_GROUP2_OFFSET; | |
1012 | ||
1013 | /* NB: frequency piers parsed during mode init */ | |
1014 | gen_chan_info = ee->ee_pwr_cal_g; | |
1015 | break; | |
1016 | default: | |
1017 | return -EINVAL; | |
1018 | } | |
c6e387a2 | 1019 | |
1048643e FF |
1020 | for (i = 0; i < ee->ee_n_piers[mode]; i++) { |
1021 | chan_pcal_info = &gen_chan_info[i].rf5112_info; | |
c6e387a2 | 1022 | |
8e218fb2 | 1023 | /* Power values in quarter dB |
1048643e FF |
1024 | * for the lower xpd gain curve |
1025 | * (0 dBm -> higher output power) */ | |
1026 | for (c = 0; c < AR5K_EEPROM_N_XPD0_POINTS; c++) { | |
1027 | AR5K_EEPROM_READ(offset++, val); | |
8e218fb2 NK |
1028 | chan_pcal_info->pwr_x0[c] = (s8) (val & 0xff); |
1029 | chan_pcal_info->pwr_x0[++c] = (s8) ((val >> 8) & 0xff); | |
1048643e | 1030 | } |
c6e387a2 | 1031 | |
1048643e FF |
1032 | /* PCDAC steps |
1033 | * corresponding to the above power | |
1034 | * measurements */ | |
c6e387a2 | 1035 | AR5K_EEPROM_READ(offset++, val); |
1048643e FF |
1036 | chan_pcal_info->pcdac_x0[1] = (val & 0x1f); |
1037 | chan_pcal_info->pcdac_x0[2] = ((val >> 5) & 0x1f); | |
1038 | chan_pcal_info->pcdac_x0[3] = ((val >> 10) & 0x1f); | |
c6e387a2 | 1039 | |
8e218fb2 | 1040 | /* Power values in quarter dB |
1048643e FF |
1041 | * for the higher xpd gain curve |
1042 | * (18 dBm -> lower output power) */ | |
c6e387a2 | 1043 | AR5K_EEPROM_READ(offset++, val); |
8e218fb2 NK |
1044 | chan_pcal_info->pwr_x3[0] = (s8) (val & 0xff); |
1045 | chan_pcal_info->pwr_x3[1] = (s8) ((val >> 8) & 0xff); | |
c6e387a2 NK |
1046 | |
1047 | AR5K_EEPROM_READ(offset++, val); | |
1048643e FF |
1048 | chan_pcal_info->pwr_x3[2] = (val & 0xff); |
1049 | ||
1050 | /* PCDAC steps | |
1051 | * corresponding to the above power | |
0ea9c00c | 1052 | * measurements (fixed) */ |
1048643e FF |
1053 | chan_pcal_info->pcdac_x3[0] = 20; |
1054 | chan_pcal_info->pcdac_x3[1] = 35; | |
1055 | chan_pcal_info->pcdac_x3[2] = 63; | |
1056 | ||
1057 | if (ee->ee_version >= AR5K_EEPROM_VERSION_4_3) { | |
8e218fb2 | 1058 | chan_pcal_info->pcdac_x0[0] = ((val >> 8) & 0x3f); |
1048643e FF |
1059 | |
1060 | /* Last xpd0 power level is also channel maximum */ | |
1061 | gen_chan_info[i].max_pwr = chan_pcal_info->pwr_x0[3]; | |
1062 | } else { | |
1063 | chan_pcal_info->pcdac_x0[0] = 1; | |
8e218fb2 | 1064 | gen_chan_info[i].max_pwr = (s8) ((val >> 8) & 0xff); |
1048643e | 1065 | } |
c6e387a2 | 1066 | |
1048643e FF |
1067 | } |
1068 | ||
8e218fb2 | 1069 | return ath5k_eeprom_convert_pcal_info_5112(ah, mode, gen_chan_info); |
1048643e FF |
1070 | } |
1071 | ||
8e218fb2 NK |
1072 | |
1073 | /* | |
1074 | * Read power calibration for RF2413 chips | |
1075 | * | |
1076 | * For RF2413 we have a Power to PDDAC table (Power Detector) | |
1077 | * instead of a PCDAC and 4 pd gain curves for each calibrated channel. | |
1078 | * Each curve has power on x axis in 0.5 db steps and PDDADC steps on y | |
1079 | * axis and looks like an exponential function like the RF5111 curve. | |
1080 | * | |
1081 | * To recreate the curves we read here the points and interpolate | |
1082 | * later. Note that in most cases only 2 (higher and lower) curves are | |
25985edc | 1083 | * used (like RF5112) but vendors have the opportunity to include all |
8e218fb2 NK |
1084 | * 4 curves on eeprom. The final curve (higher power) has an extra |
1085 | * point for better accuracy like RF5112. | |
1086 | */ | |
1087 | ||
0ea9c00c | 1088 | /* For RF2413 power calibration data doesn't start on a fixed location and |
a180a130 | 1089 | * if a mode is not supported, its section is missing -not zeroed-. |
0ea9c00c NK |
1090 | * So we need to calculate the starting offset for each section by using |
1091 | * these two functions */ | |
1092 | ||
1093 | /* Return the size of each section based on the mode and the number of pd | |
1094 | * gains available (maximum 4). */ | |
1048643e FF |
1095 | static inline unsigned int |
1096 | ath5k_pdgains_size_2413(struct ath5k_eeprom_info *ee, unsigned int mode) | |
1097 | { | |
1098 | static const unsigned int pdgains_size[] = { 4, 6, 9, 12 }; | |
1099 | unsigned int sz; | |
1100 | ||
1101 | sz = pdgains_size[ee->ee_pd_gains[mode] - 1]; | |
1102 | sz *= ee->ee_n_piers[mode]; | |
1103 | ||
1104 | return sz; | |
1105 | } | |
1106 | ||
0ea9c00c NK |
1107 | /* Return the starting offset for a section based on the modes supported |
1108 | * and each section's size. */ | |
1048643e FF |
1109 | static unsigned int |
1110 | ath5k_cal_data_offset_2413(struct ath5k_eeprom_info *ee, int mode) | |
1111 | { | |
1112 | u32 offset = AR5K_EEPROM_CAL_DATA_START(ee->ee_misc4); | |
1113 | ||
1114 | switch(mode) { | |
1115 | case AR5K_EEPROM_MODE_11G: | |
1116 | if (AR5K_EEPROM_HDR_11B(ee->ee_header)) | |
8e218fb2 NK |
1117 | offset += ath5k_pdgains_size_2413(ee, |
1118 | AR5K_EEPROM_MODE_11B) + | |
1119 | AR5K_EEPROM_N_2GHZ_CHAN_2413 / 2; | |
1048643e FF |
1120 | /* fall through */ |
1121 | case AR5K_EEPROM_MODE_11B: | |
1122 | if (AR5K_EEPROM_HDR_11A(ee->ee_header)) | |
8e218fb2 NK |
1123 | offset += ath5k_pdgains_size_2413(ee, |
1124 | AR5K_EEPROM_MODE_11A) + | |
1125 | AR5K_EEPROM_N_5GHZ_CHAN / 2; | |
1048643e FF |
1126 | /* fall through */ |
1127 | case AR5K_EEPROM_MODE_11A: | |
1128 | break; | |
1129 | default: | |
1130 | break; | |
1131 | } | |
1132 | ||
1133 | return offset; | |
1134 | } | |
1135 | ||
8e218fb2 NK |
1136 | /* Convert RF2413 specific data to generic raw data |
1137 | * used by interpolation code */ | |
1138 | static int | |
1139 | ath5k_eeprom_convert_pcal_info_2413(struct ath5k_hw *ah, int mode, | |
1140 | struct ath5k_chan_pcal_info *chinfo) | |
1141 | { | |
1142 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
1143 | struct ath5k_chan_pcal_info_rf2413 *pcinfo; | |
1144 | u8 *pdgain_idx = ee->ee_pdc_to_idx[mode]; | |
1145 | unsigned int pier, pdg, point; | |
1146 | ||
1147 | /* Fill raw data for each calibration pier */ | |
1148 | for (pier = 0; pier < ee->ee_n_piers[mode]; pier++) { | |
1149 | ||
1150 | pcinfo = &chinfo[pier].rf2413_info; | |
1151 | ||
1152 | /* Allocate pd_curves for this cal pier */ | |
1153 | chinfo[pier].pd_curves = | |
1154 | kcalloc(AR5K_EEPROM_N_PD_CURVES, | |
1155 | sizeof(struct ath5k_pdgain_info), | |
1156 | GFP_KERNEL); | |
1157 | ||
1158 | if (!chinfo[pier].pd_curves) | |
1159 | return -ENOMEM; | |
1160 | ||
1161 | /* Fill pd_curves */ | |
1162 | for (pdg = 0; pdg < ee->ee_pd_gains[mode]; pdg++) { | |
1163 | ||
1164 | u8 idx = pdgain_idx[pdg]; | |
1165 | struct ath5k_pdgain_info *pd = | |
1166 | &chinfo[pier].pd_curves[idx]; | |
1167 | ||
1168 | /* One more point for the highest power | |
1169 | * curve (lowest gain) */ | |
1170 | if (pdg == ee->ee_pd_gains[mode] - 1) | |
1171 | pd->pd_points = AR5K_EEPROM_N_PD_POINTS; | |
1172 | else | |
1173 | pd->pd_points = AR5K_EEPROM_N_PD_POINTS - 1; | |
1174 | ||
1175 | /* Allocate pd points for this curve */ | |
1176 | pd->pd_step = kcalloc(pd->pd_points, | |
1177 | sizeof(u8), GFP_KERNEL); | |
1178 | ||
1179 | if (!pd->pd_step) | |
1180 | return -ENOMEM; | |
1181 | ||
1182 | pd->pd_pwr = kcalloc(pd->pd_points, | |
1183 | sizeof(s16), GFP_KERNEL); | |
1184 | ||
1185 | if (!pd->pd_pwr) | |
1186 | return -ENOMEM; | |
1187 | ||
1188 | /* Fill raw dataset | |
1189 | * convert all pwr levels to | |
1190 | * quarter dB for RF5112 combatibility */ | |
1191 | pd->pd_step[0] = pcinfo->pddac_i[pdg]; | |
1192 | pd->pd_pwr[0] = 4 * pcinfo->pwr_i[pdg]; | |
1193 | ||
1194 | for (point = 1; point < pd->pd_points; point++) { | |
1195 | ||
1196 | pd->pd_pwr[point] = pd->pd_pwr[point - 1] + | |
1197 | 2 * pcinfo->pwr[pdg][point - 1]; | |
1198 | ||
1199 | pd->pd_step[point] = pd->pd_step[point - 1] + | |
1200 | pcinfo->pddac[pdg][point - 1]; | |
1201 | ||
1202 | } | |
1203 | ||
1204 | /* Highest gain curve -> min power */ | |
1205 | if (pdg == 0) | |
1206 | chinfo[pier].min_pwr = pd->pd_pwr[0]; | |
1207 | ||
1208 | /* Lowest gain curve -> max power */ | |
1209 | if (pdg == ee->ee_pd_gains[mode] - 1) | |
1210 | chinfo[pier].max_pwr = | |
1211 | pd->pd_pwr[pd->pd_points - 1]; | |
1212 | } | |
1213 | } | |
1214 | ||
1215 | return 0; | |
1216 | } | |
1217 | ||
1218 | /* Parse EEPROM data */ | |
1048643e FF |
1219 | static int |
1220 | ath5k_eeprom_read_pcal_info_2413(struct ath5k_hw *ah, int mode) | |
1221 | { | |
1222 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
8e218fb2 NK |
1223 | struct ath5k_chan_pcal_info_rf2413 *pcinfo; |
1224 | struct ath5k_chan_pcal_info *chinfo; | |
1225 | u8 *pdgain_idx = ee->ee_pdc_to_idx[mode]; | |
1048643e | 1226 | u32 offset; |
fda9b7af | 1227 | int idx, i; |
1048643e FF |
1228 | u16 val; |
1229 | u8 pd_gains = 0; | |
1230 | ||
8e218fb2 NK |
1231 | /* Count how many curves we have and |
1232 | * identify them (which one of the 4 | |
1233 | * available curves we have on each count). | |
1234 | * Curves are stored from higher to | |
1235 | * lower gain so we go backwards */ | |
1236 | for (idx = AR5K_EEPROM_N_PD_CURVES - 1; idx >= 0; idx--) { | |
1237 | /* ee_x_gain[mode] is x gain mask */ | |
1238 | if ((ee->ee_x_gain[mode] >> idx) & 0x1) | |
1239 | pdgain_idx[pd_gains++] = idx; | |
1240 | ||
1241 | } | |
1048643e FF |
1242 | ee->ee_pd_gains[mode] = pd_gains; |
1243 | ||
8e218fb2 NK |
1244 | if (pd_gains == 0) |
1245 | return -EINVAL; | |
1246 | ||
1048643e FF |
1247 | offset = ath5k_cal_data_offset_2413(ee, mode); |
1248 | switch (mode) { | |
1249 | case AR5K_EEPROM_MODE_11A: | |
1250 | if (!AR5K_EEPROM_HDR_11A(ee->ee_header)) | |
1251 | return 0; | |
1252 | ||
1253 | ath5k_eeprom_init_11a_pcal_freq(ah, offset); | |
1254 | offset += AR5K_EEPROM_N_5GHZ_CHAN / 2; | |
8e218fb2 | 1255 | chinfo = ee->ee_pwr_cal_a; |
1048643e FF |
1256 | break; |
1257 | case AR5K_EEPROM_MODE_11B: | |
1258 | if (!AR5K_EEPROM_HDR_11B(ee->ee_header)) | |
1259 | return 0; | |
c6e387a2 | 1260 | |
1048643e FF |
1261 | ath5k_eeprom_init_11bg_2413(ah, mode, offset); |
1262 | offset += AR5K_EEPROM_N_2GHZ_CHAN_2413 / 2; | |
8e218fb2 | 1263 | chinfo = ee->ee_pwr_cal_b; |
1048643e FF |
1264 | break; |
1265 | case AR5K_EEPROM_MODE_11G: | |
1266 | if (!AR5K_EEPROM_HDR_11G(ee->ee_header)) | |
1267 | return 0; | |
1268 | ||
1269 | ath5k_eeprom_init_11bg_2413(ah, mode, offset); | |
1270 | offset += AR5K_EEPROM_N_2GHZ_CHAN_2413 / 2; | |
8e218fb2 | 1271 | chinfo = ee->ee_pwr_cal_g; |
1048643e FF |
1272 | break; |
1273 | default: | |
1274 | return -EINVAL; | |
1275 | } | |
1276 | ||
1048643e | 1277 | for (i = 0; i < ee->ee_n_piers[mode]; i++) { |
8e218fb2 | 1278 | pcinfo = &chinfo[i].rf2413_info; |
1048643e FF |
1279 | |
1280 | /* | |
1281 | * Read pwr_i, pddac_i and the first | |
1282 | * 2 pd points (pwr, pddac) | |
1283 | */ | |
c6e387a2 | 1284 | AR5K_EEPROM_READ(offset++, val); |
8e218fb2 NK |
1285 | pcinfo->pwr_i[0] = val & 0x1f; |
1286 | pcinfo->pddac_i[0] = (val >> 5) & 0x7f; | |
1287 | pcinfo->pwr[0][0] = (val >> 12) & 0xf; | |
c6e387a2 | 1288 | |
1048643e | 1289 | AR5K_EEPROM_READ(offset++, val); |
8e218fb2 NK |
1290 | pcinfo->pddac[0][0] = val & 0x3f; |
1291 | pcinfo->pwr[0][1] = (val >> 6) & 0xf; | |
1292 | pcinfo->pddac[0][1] = (val >> 10) & 0x3f; | |
1048643e FF |
1293 | |
1294 | AR5K_EEPROM_READ(offset++, val); | |
8e218fb2 NK |
1295 | pcinfo->pwr[0][2] = val & 0xf; |
1296 | pcinfo->pddac[0][2] = (val >> 4) & 0x3f; | |
1048643e | 1297 | |
8e218fb2 NK |
1298 | pcinfo->pwr[0][3] = 0; |
1299 | pcinfo->pddac[0][3] = 0; | |
1048643e FF |
1300 | |
1301 | if (pd_gains > 1) { | |
1302 | /* | |
1303 | * Pd gain 0 is not the last pd gain | |
1304 | * so it only has 2 pd points. | |
25985edc | 1305 | * Continue with pd gain 1. |
1048643e | 1306 | */ |
8e218fb2 | 1307 | pcinfo->pwr_i[1] = (val >> 10) & 0x1f; |
1048643e | 1308 | |
8e218fb2 | 1309 | pcinfo->pddac_i[1] = (val >> 15) & 0x1; |
c6e387a2 | 1310 | AR5K_EEPROM_READ(offset++, val); |
8e218fb2 | 1311 | pcinfo->pddac_i[1] |= (val & 0x3F) << 1; |
1048643e | 1312 | |
8e218fb2 NK |
1313 | pcinfo->pwr[1][0] = (val >> 6) & 0xf; |
1314 | pcinfo->pddac[1][0] = (val >> 10) & 0x3f; | |
1048643e FF |
1315 | |
1316 | AR5K_EEPROM_READ(offset++, val); | |
8e218fb2 NK |
1317 | pcinfo->pwr[1][1] = val & 0xf; |
1318 | pcinfo->pddac[1][1] = (val >> 4) & 0x3f; | |
1319 | pcinfo->pwr[1][2] = (val >> 10) & 0xf; | |
1320 | ||
1321 | pcinfo->pddac[1][2] = (val >> 14) & 0x3; | |
1048643e | 1322 | AR5K_EEPROM_READ(offset++, val); |
8e218fb2 | 1323 | pcinfo->pddac[1][2] |= (val & 0xF) << 2; |
1048643e | 1324 | |
8e218fb2 NK |
1325 | pcinfo->pwr[1][3] = 0; |
1326 | pcinfo->pddac[1][3] = 0; | |
1048643e FF |
1327 | } else if (pd_gains == 1) { |
1328 | /* | |
1329 | * Pd gain 0 is the last one so | |
1330 | * read the extra point. | |
1331 | */ | |
8e218fb2 | 1332 | pcinfo->pwr[0][3] = (val >> 10) & 0xf; |
1048643e | 1333 | |
8e218fb2 | 1334 | pcinfo->pddac[0][3] = (val >> 14) & 0x3; |
1048643e | 1335 | AR5K_EEPROM_READ(offset++, val); |
8e218fb2 | 1336 | pcinfo->pddac[0][3] |= (val & 0xF) << 2; |
1048643e FF |
1337 | } |
1338 | ||
1339 | /* | |
1340 | * Proceed with the other pd_gains | |
1341 | * as above. | |
1342 | */ | |
1343 | if (pd_gains > 2) { | |
8e218fb2 NK |
1344 | pcinfo->pwr_i[2] = (val >> 4) & 0x1f; |
1345 | pcinfo->pddac_i[2] = (val >> 9) & 0x7f; | |
1048643e FF |
1346 | |
1347 | AR5K_EEPROM_READ(offset++, val); | |
8e218fb2 NK |
1348 | pcinfo->pwr[2][0] = (val >> 0) & 0xf; |
1349 | pcinfo->pddac[2][0] = (val >> 4) & 0x3f; | |
1350 | pcinfo->pwr[2][1] = (val >> 10) & 0xf; | |
1351 | ||
1352 | pcinfo->pddac[2][1] = (val >> 14) & 0x3; | |
1048643e | 1353 | AR5K_EEPROM_READ(offset++, val); |
8e218fb2 | 1354 | pcinfo->pddac[2][1] |= (val & 0xF) << 2; |
1048643e | 1355 | |
8e218fb2 NK |
1356 | pcinfo->pwr[2][2] = (val >> 4) & 0xf; |
1357 | pcinfo->pddac[2][2] = (val >> 8) & 0x3f; | |
1048643e | 1358 | |
8e218fb2 NK |
1359 | pcinfo->pwr[2][3] = 0; |
1360 | pcinfo->pddac[2][3] = 0; | |
1048643e | 1361 | } else if (pd_gains == 2) { |
8e218fb2 NK |
1362 | pcinfo->pwr[1][3] = (val >> 4) & 0xf; |
1363 | pcinfo->pddac[1][3] = (val >> 8) & 0x3f; | |
1048643e FF |
1364 | } |
1365 | ||
1366 | if (pd_gains > 3) { | |
8e218fb2 | 1367 | pcinfo->pwr_i[3] = (val >> 14) & 0x3; |
1048643e | 1368 | AR5K_EEPROM_READ(offset++, val); |
8e218fb2 | 1369 | pcinfo->pwr_i[3] |= ((val >> 0) & 0x7) << 2; |
1048643e | 1370 | |
8e218fb2 NK |
1371 | pcinfo->pddac_i[3] = (val >> 3) & 0x7f; |
1372 | pcinfo->pwr[3][0] = (val >> 10) & 0xf; | |
1373 | pcinfo->pddac[3][0] = (val >> 14) & 0x3; | |
1048643e FF |
1374 | |
1375 | AR5K_EEPROM_READ(offset++, val); | |
8e218fb2 NK |
1376 | pcinfo->pddac[3][0] |= (val & 0xF) << 2; |
1377 | pcinfo->pwr[3][1] = (val >> 4) & 0xf; | |
1378 | pcinfo->pddac[3][1] = (val >> 8) & 0x3f; | |
1379 | ||
1380 | pcinfo->pwr[3][2] = (val >> 14) & 0x3; | |
1048643e | 1381 | AR5K_EEPROM_READ(offset++, val); |
8e218fb2 | 1382 | pcinfo->pwr[3][2] |= ((val >> 0) & 0x3) << 2; |
1048643e | 1383 | |
8e218fb2 NK |
1384 | pcinfo->pddac[3][2] = (val >> 2) & 0x3f; |
1385 | pcinfo->pwr[3][3] = (val >> 8) & 0xf; | |
1048643e | 1386 | |
8e218fb2 | 1387 | pcinfo->pddac[3][3] = (val >> 12) & 0xF; |
1048643e | 1388 | AR5K_EEPROM_READ(offset++, val); |
8e218fb2 | 1389 | pcinfo->pddac[3][3] |= ((val >> 0) & 0x3) << 4; |
1048643e | 1390 | } else if (pd_gains == 3) { |
8e218fb2 | 1391 | pcinfo->pwr[2][3] = (val >> 14) & 0x3; |
1048643e | 1392 | AR5K_EEPROM_READ(offset++, val); |
8e218fb2 | 1393 | pcinfo->pwr[2][3] |= ((val >> 0) & 0x3) << 2; |
1048643e | 1394 | |
8e218fb2 | 1395 | pcinfo->pddac[2][3] = (val >> 2) & 0x3f; |
c6e387a2 NK |
1396 | } |
1397 | } | |
1398 | ||
8e218fb2 | 1399 | return ath5k_eeprom_convert_pcal_info_2413(ah, mode, chinfo); |
1048643e FF |
1400 | } |
1401 | ||
8e218fb2 | 1402 | |
1048643e FF |
1403 | /* |
1404 | * Read per rate target power (this is the maximum tx power | |
1405 | * supported by the card). This info is used when setting | |
1406 | * tx power, no matter the channel. | |
1407 | * | |
1408 | * This also works for v5 EEPROMs. | |
1409 | */ | |
8e218fb2 NK |
1410 | static int |
1411 | ath5k_eeprom_read_target_rate_pwr_info(struct ath5k_hw *ah, unsigned int mode) | |
1048643e FF |
1412 | { |
1413 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
1414 | struct ath5k_rate_pcal_info *rate_pcal_info; | |
8e218fb2 | 1415 | u8 *rate_target_pwr_num; |
1048643e FF |
1416 | u32 offset; |
1417 | u16 val; | |
fda9b7af | 1418 | int i; |
1048643e FF |
1419 | |
1420 | offset = AR5K_EEPROM_TARGET_PWRSTART(ee->ee_misc1); | |
1421 | rate_target_pwr_num = &ee->ee_rate_target_pwr_num[mode]; | |
1422 | switch (mode) { | |
1423 | case AR5K_EEPROM_MODE_11A: | |
1424 | offset += AR5K_EEPROM_TARGET_PWR_OFF_11A(ee->ee_version); | |
1425 | rate_pcal_info = ee->ee_rate_tpwr_a; | |
1426 | ee->ee_rate_target_pwr_num[mode] = AR5K_EEPROM_N_5GHZ_CHAN; | |
1427 | break; | |
1428 | case AR5K_EEPROM_MODE_11B: | |
1429 | offset += AR5K_EEPROM_TARGET_PWR_OFF_11B(ee->ee_version); | |
1430 | rate_pcal_info = ee->ee_rate_tpwr_b; | |
1431 | ee->ee_rate_target_pwr_num[mode] = 2; /* 3rd is g mode's 1st */ | |
1432 | break; | |
1433 | case AR5K_EEPROM_MODE_11G: | |
1434 | offset += AR5K_EEPROM_TARGET_PWR_OFF_11G(ee->ee_version); | |
1435 | rate_pcal_info = ee->ee_rate_tpwr_g; | |
1436 | ee->ee_rate_target_pwr_num[mode] = AR5K_EEPROM_N_2GHZ_CHAN; | |
1437 | break; | |
1438 | default: | |
1439 | return -EINVAL; | |
1440 | } | |
1441 | ||
1442 | /* Different freq mask for older eeproms (<= v3.2) */ | |
1443 | if (ee->ee_version <= AR5K_EEPROM_VERSION_3_2) { | |
1444 | for (i = 0; i < (*rate_target_pwr_num); i++) { | |
1445 | AR5K_EEPROM_READ(offset++, val); | |
1446 | rate_pcal_info[i].freq = | |
1447 | ath5k_eeprom_bin2freq(ee, (val >> 9) & 0x7f, mode); | |
1448 | ||
1449 | rate_pcal_info[i].target_power_6to24 = ((val >> 3) & 0x3f); | |
1450 | rate_pcal_info[i].target_power_36 = (val << 3) & 0x3f; | |
1451 | ||
1452 | AR5K_EEPROM_READ(offset++, val); | |
1453 | ||
1454 | if (rate_pcal_info[i].freq == AR5K_EEPROM_CHANNEL_DIS || | |
1455 | val == 0) { | |
1456 | (*rate_target_pwr_num) = i; | |
1457 | break; | |
1458 | } | |
1459 | ||
1460 | rate_pcal_info[i].target_power_36 |= ((val >> 13) & 0x7); | |
1461 | rate_pcal_info[i].target_power_48 = ((val >> 7) & 0x3f); | |
1462 | rate_pcal_info[i].target_power_54 = ((val >> 1) & 0x3f); | |
1463 | } | |
1464 | } else { | |
1465 | for (i = 0; i < (*rate_target_pwr_num); i++) { | |
1466 | AR5K_EEPROM_READ(offset++, val); | |
1467 | rate_pcal_info[i].freq = | |
1468 | ath5k_eeprom_bin2freq(ee, (val >> 8) & 0xff, mode); | |
1469 | ||
1470 | rate_pcal_info[i].target_power_6to24 = ((val >> 2) & 0x3f); | |
1471 | rate_pcal_info[i].target_power_36 = (val << 4) & 0x3f; | |
1472 | ||
1473 | AR5K_EEPROM_READ(offset++, val); | |
1474 | ||
1475 | if (rate_pcal_info[i].freq == AR5K_EEPROM_CHANNEL_DIS || | |
1476 | val == 0) { | |
1477 | (*rate_target_pwr_num) = i; | |
1478 | break; | |
1479 | } | |
1480 | ||
1481 | rate_pcal_info[i].target_power_36 |= (val >> 12) & 0xf; | |
1482 | rate_pcal_info[i].target_power_48 = ((val >> 6) & 0x3f); | |
1483 | rate_pcal_info[i].target_power_54 = (val & 0x3f); | |
1484 | } | |
1485 | } | |
1486 | ||
1487 | return 0; | |
1488 | } | |
1489 | ||
9320b5c4 | 1490 | |
0ea9c00c NK |
1491 | /* |
1492 | * Read per channel calibration info from EEPROM | |
1493 | * | |
1494 | * This info is used to calibrate the baseband power table. Imagine | |
1495 | * that for each channel there is a power curve that's hw specific | |
1496 | * (depends on amplifier etc) and we try to "correct" this curve using | |
bf48aabb | 1497 | * offsets we pass on to phy chip (baseband -> before amplifier) so that |
0ea9c00c NK |
1498 | * it can use accurate power values when setting tx power (takes amplifier's |
1499 | * performance on each channel into account). | |
1500 | * | |
1501 | * EEPROM provides us with the offsets for some pre-calibrated channels | |
1502 | * and we have to interpolate to create the full table for these channels and | |
1503 | * also the table for any channel. | |
1504 | */ | |
1048643e FF |
1505 | static int |
1506 | ath5k_eeprom_read_pcal_info(struct ath5k_hw *ah) | |
1507 | { | |
1508 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
1509 | int (*read_pcal)(struct ath5k_hw *hw, int mode); | |
1510 | int mode; | |
1511 | int err; | |
1512 | ||
1513 | if ((ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_0) && | |
1514 | (AR5K_EEPROM_EEMAP(ee->ee_misc0) == 1)) | |
1515 | read_pcal = ath5k_eeprom_read_pcal_info_5112; | |
1516 | else if ((ah->ah_ee_version >= AR5K_EEPROM_VERSION_5_0) && | |
1517 | (AR5K_EEPROM_EEMAP(ee->ee_misc0) == 2)) | |
1518 | read_pcal = ath5k_eeprom_read_pcal_info_2413; | |
1519 | else | |
1520 | read_pcal = ath5k_eeprom_read_pcal_info_5111; | |
1521 | ||
8e218fb2 NK |
1522 | |
1523 | for (mode = AR5K_EEPROM_MODE_11A; mode <= AR5K_EEPROM_MODE_11G; | |
1524 | mode++) { | |
1048643e FF |
1525 | err = read_pcal(ah, mode); |
1526 | if (err) | |
1527 | return err; | |
1528 | ||
1529 | err = ath5k_eeprom_read_target_rate_pwr_info(ah, mode); | |
1530 | if (err < 0) | |
1531 | return err; | |
1532 | } | |
1533 | ||
1534 | return 0; | |
1535 | } | |
1536 | ||
8e218fb2 NK |
1537 | static int |
1538 | ath5k_eeprom_free_pcal_info(struct ath5k_hw *ah, int mode) | |
1539 | { | |
1540 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
1541 | struct ath5k_chan_pcal_info *chinfo; | |
1542 | u8 pier, pdg; | |
1543 | ||
1544 | switch (mode) { | |
1545 | case AR5K_EEPROM_MODE_11A: | |
1546 | if (!AR5K_EEPROM_HDR_11A(ee->ee_header)) | |
1547 | return 0; | |
1548 | chinfo = ee->ee_pwr_cal_a; | |
1549 | break; | |
1550 | case AR5K_EEPROM_MODE_11B: | |
1551 | if (!AR5K_EEPROM_HDR_11B(ee->ee_header)) | |
1552 | return 0; | |
1553 | chinfo = ee->ee_pwr_cal_b; | |
1554 | break; | |
1555 | case AR5K_EEPROM_MODE_11G: | |
1556 | if (!AR5K_EEPROM_HDR_11G(ee->ee_header)) | |
1557 | return 0; | |
1558 | chinfo = ee->ee_pwr_cal_g; | |
1559 | break; | |
1560 | default: | |
1561 | return -EINVAL; | |
1562 | } | |
1563 | ||
1564 | for (pier = 0; pier < ee->ee_n_piers[mode]; pier++) { | |
1565 | if (!chinfo[pier].pd_curves) | |
1566 | continue; | |
1567 | ||
1568 | for (pdg = 0; pdg < ee->ee_pd_gains[mode]; pdg++) { | |
1569 | struct ath5k_pdgain_info *pd = | |
1570 | &chinfo[pier].pd_curves[pdg]; | |
1571 | ||
1572 | if (pd != NULL) { | |
1573 | kfree(pd->pd_step); | |
1574 | kfree(pd->pd_pwr); | |
1575 | } | |
1576 | } | |
1577 | ||
1578 | kfree(chinfo[pier].pd_curves); | |
1579 | } | |
1580 | ||
1581 | return 0; | |
1582 | } | |
1583 | ||
0ea9c00c | 1584 | /* Read conformance test limits used for regulatory control */ |
1048643e FF |
1585 | static int |
1586 | ath5k_eeprom_read_ctl_info(struct ath5k_hw *ah) | |
1587 | { | |
1588 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
1589 | struct ath5k_edge_power *rep; | |
1590 | unsigned int fmask, pmask; | |
1591 | unsigned int ctl_mode; | |
fda9b7af | 1592 | int i, j; |
1048643e FF |
1593 | u32 offset; |
1594 | u16 val; | |
1595 | ||
1596 | pmask = AR5K_EEPROM_POWER_M; | |
1597 | fmask = AR5K_EEPROM_FREQ_M(ee->ee_version); | |
1598 | offset = AR5K_EEPROM_CTL(ee->ee_version); | |
1599 | ee->ee_ctls = AR5K_EEPROM_N_CTLS(ee->ee_version); | |
1600 | for (i = 0; i < ee->ee_ctls; i += 2) { | |
1601 | AR5K_EEPROM_READ(offset++, val); | |
1602 | ee->ee_ctl[i] = (val >> 8) & 0xff; | |
1603 | ee->ee_ctl[i + 1] = val & 0xff; | |
1604 | } | |
1605 | ||
1606 | offset = AR5K_EEPROM_GROUP8_OFFSET; | |
1607 | if (ee->ee_version >= AR5K_EEPROM_VERSION_4_0) | |
1608 | offset += AR5K_EEPROM_TARGET_PWRSTART(ee->ee_misc1) - | |
1609 | AR5K_EEPROM_GROUP5_OFFSET; | |
1610 | else | |
1611 | offset += AR5K_EEPROM_GROUPS_START(ee->ee_version); | |
1612 | ||
1613 | rep = ee->ee_ctl_pwr; | |
1614 | for(i = 0; i < ee->ee_ctls; i++) { | |
1615 | switch(ee->ee_ctl[i] & AR5K_CTL_MODE_M) { | |
1616 | case AR5K_CTL_11A: | |
1617 | case AR5K_CTL_TURBO: | |
1618 | ctl_mode = AR5K_EEPROM_MODE_11A; | |
1619 | break; | |
1620 | default: | |
1621 | ctl_mode = AR5K_EEPROM_MODE_11G; | |
1622 | break; | |
1623 | } | |
1624 | if (ee->ee_ctl[i] == 0) { | |
1625 | if (ee->ee_version >= AR5K_EEPROM_VERSION_3_3) | |
1626 | offset += 8; | |
1627 | else | |
1628 | offset += 7; | |
1629 | rep += AR5K_EEPROM_N_EDGES; | |
1630 | continue; | |
1631 | } | |
1632 | if (ee->ee_version >= AR5K_EEPROM_VERSION_3_3) { | |
1633 | for (j = 0; j < AR5K_EEPROM_N_EDGES; j += 2) { | |
1634 | AR5K_EEPROM_READ(offset++, val); | |
1635 | rep[j].freq = (val >> 8) & fmask; | |
1636 | rep[j + 1].freq = val & fmask; | |
1637 | } | |
1638 | for (j = 0; j < AR5K_EEPROM_N_EDGES; j += 2) { | |
1639 | AR5K_EEPROM_READ(offset++, val); | |
1640 | rep[j].edge = (val >> 8) & pmask; | |
1641 | rep[j].flag = (val >> 14) & 1; | |
1642 | rep[j + 1].edge = val & pmask; | |
1643 | rep[j + 1].flag = (val >> 6) & 1; | |
1644 | } | |
1645 | } else { | |
1646 | AR5K_EEPROM_READ(offset++, val); | |
1647 | rep[0].freq = (val >> 9) & fmask; | |
1648 | rep[1].freq = (val >> 2) & fmask; | |
1649 | rep[2].freq = (val << 5) & fmask; | |
1650 | ||
1651 | AR5K_EEPROM_READ(offset++, val); | |
1652 | rep[2].freq |= (val >> 11) & 0x1f; | |
1653 | rep[3].freq = (val >> 4) & fmask; | |
1654 | rep[4].freq = (val << 3) & fmask; | |
1655 | ||
1656 | AR5K_EEPROM_READ(offset++, val); | |
1657 | rep[4].freq |= (val >> 13) & 0x7; | |
1658 | rep[5].freq = (val >> 6) & fmask; | |
1659 | rep[6].freq = (val << 1) & fmask; | |
1660 | ||
1661 | AR5K_EEPROM_READ(offset++, val); | |
1662 | rep[6].freq |= (val >> 15) & 0x1; | |
1663 | rep[7].freq = (val >> 8) & fmask; | |
1664 | ||
1665 | rep[0].edge = (val >> 2) & pmask; | |
1666 | rep[1].edge = (val << 4) & pmask; | |
1667 | ||
1668 | AR5K_EEPROM_READ(offset++, val); | |
1669 | rep[1].edge |= (val >> 12) & 0xf; | |
1670 | rep[2].edge = (val >> 6) & pmask; | |
1671 | rep[3].edge = val & pmask; | |
1672 | ||
1673 | AR5K_EEPROM_READ(offset++, val); | |
1674 | rep[4].edge = (val >> 10) & pmask; | |
1675 | rep[5].edge = (val >> 4) & pmask; | |
1676 | rep[6].edge = (val << 2) & pmask; | |
1677 | ||
1678 | AR5K_EEPROM_READ(offset++, val); | |
1679 | rep[6].edge |= (val >> 14) & 0x3; | |
1680 | rep[7].edge = (val >> 8) & pmask; | |
1681 | } | |
1682 | for (j = 0; j < AR5K_EEPROM_N_EDGES; j++) { | |
1683 | rep[j].freq = ath5k_eeprom_bin2freq(ee, | |
1684 | rep[j].freq, ctl_mode); | |
1685 | } | |
1686 | rep += AR5K_EEPROM_N_EDGES; | |
1687 | } | |
c6e387a2 NK |
1688 | |
1689 | return 0; | |
1690 | } | |
1691 | ||
cd417519 NK |
1692 | static int |
1693 | ath5k_eeprom_read_spur_chans(struct ath5k_hw *ah) | |
1694 | { | |
1695 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
1696 | u32 offset; | |
1697 | u16 val; | |
1698 | int ret = 0, i; | |
1699 | ||
1700 | offset = AR5K_EEPROM_CTL(ee->ee_version) + | |
1701 | AR5K_EEPROM_N_CTLS(ee->ee_version); | |
1702 | ||
1703 | if (ee->ee_version < AR5K_EEPROM_VERSION_5_3) { | |
1704 | /* No spur info for 5GHz */ | |
1705 | ee->ee_spur_chans[0][0] = AR5K_EEPROM_NO_SPUR; | |
1706 | /* 2 channels for 2GHz (2464/2420) */ | |
1707 | ee->ee_spur_chans[0][1] = AR5K_EEPROM_5413_SPUR_CHAN_1; | |
1708 | ee->ee_spur_chans[1][1] = AR5K_EEPROM_5413_SPUR_CHAN_2; | |
1709 | ee->ee_spur_chans[2][1] = AR5K_EEPROM_NO_SPUR; | |
1710 | } else if (ee->ee_version >= AR5K_EEPROM_VERSION_5_3) { | |
1711 | for (i = 0; i < AR5K_EEPROM_N_SPUR_CHANS; i++) { | |
1712 | AR5K_EEPROM_READ(offset, val); | |
1713 | ee->ee_spur_chans[i][0] = val; | |
1714 | AR5K_EEPROM_READ(offset + AR5K_EEPROM_N_SPUR_CHANS, | |
1715 | val); | |
1716 | ee->ee_spur_chans[i][1] = val; | |
1717 | offset++; | |
1718 | } | |
1719 | } | |
1720 | ||
1721 | return ret; | |
1722 | } | |
1048643e | 1723 | |
9320b5c4 NK |
1724 | /* |
1725 | * Read the MAC address from eeprom | |
1726 | */ | |
1727 | int ath5k_eeprom_read_mac(struct ath5k_hw *ah, u8 *mac) | |
1728 | { | |
1729 | u8 mac_d[ETH_ALEN] = {}; | |
1730 | u32 total, offset; | |
1731 | u16 data; | |
fda9b7af | 1732 | int octet; |
9320b5c4 | 1733 | |
fda9b7af | 1734 | AR5K_EEPROM_READ(0x20, data); |
9320b5c4 NK |
1735 | |
1736 | for (offset = 0x1f, octet = 0, total = 0; offset >= 0x1d; offset--) { | |
fda9b7af | 1737 | AR5K_EEPROM_READ(offset, data); |
9320b5c4 NK |
1738 | |
1739 | total += data; | |
1740 | mac_d[octet + 1] = data & 0xff; | |
1741 | mac_d[octet] = data >> 8; | |
1742 | octet += 2; | |
1743 | } | |
1744 | ||
1745 | if (!total || total == 3 * 0xffff) | |
1746 | return -EINVAL; | |
1747 | ||
1748 | memcpy(mac, mac_d, ETH_ALEN); | |
1749 | ||
1750 | return 0; | |
1751 | } | |
1752 | ||
1753 | ||
1754 | /***********************\ | |
1755 | * Init/Detach functions * | |
1756 | \***********************/ | |
1757 | ||
1048643e | 1758 | /* |
cd417519 | 1759 | * Initialize eeprom data structure |
1048643e FF |
1760 | */ |
1761 | int | |
1762 | ath5k_eeprom_init(struct ath5k_hw *ah) | |
1763 | { | |
1764 | int err; | |
1765 | ||
1766 | err = ath5k_eeprom_init_header(ah); | |
1767 | if (err < 0) | |
1768 | return err; | |
1769 | ||
1770 | err = ath5k_eeprom_init_modes(ah); | |
1771 | if (err < 0) | |
1772 | return err; | |
1773 | ||
1774 | err = ath5k_eeprom_read_pcal_info(ah); | |
1775 | if (err < 0) | |
1776 | return err; | |
1777 | ||
1778 | err = ath5k_eeprom_read_ctl_info(ah); | |
1779 | if (err < 0) | |
1780 | return err; | |
1781 | ||
cd417519 NK |
1782 | err = ath5k_eeprom_read_spur_chans(ah); |
1783 | if (err < 0) | |
1784 | return err; | |
1785 | ||
1048643e FF |
1786 | return 0; |
1787 | } | |
e8f055f0 | 1788 | |
9320b5c4 NK |
1789 | void |
1790 | ath5k_eeprom_detach(struct ath5k_hw *ah) | |
c6e387a2 | 1791 | { |
9320b5c4 | 1792 | u8 mode; |
8d6c39ef | 1793 | |
9320b5c4 NK |
1794 | for (mode = AR5K_EEPROM_MODE_11A; mode <= AR5K_EEPROM_MODE_11G; mode++) |
1795 | ath5k_eeprom_free_pcal_info(ah, mode); | |
c6e387a2 | 1796 | } |
0207c0c5 BR |
1797 | |
1798 | int | |
1799 | ath5k_eeprom_mode_from_channel(struct ieee80211_channel *channel) | |
1800 | { | |
1801 | switch (channel->hw_value & CHANNEL_MODES) { | |
1802 | case CHANNEL_A: | |
1803 | case CHANNEL_XR: | |
1804 | return AR5K_EEPROM_MODE_11A; | |
1805 | case CHANNEL_G: | |
1806 | return AR5K_EEPROM_MODE_11G; | |
1807 | case CHANNEL_B: | |
1808 | return AR5K_EEPROM_MODE_11B; | |
1809 | default: | |
1810 | return -1; | |
1811 | } | |
1812 | } |