Commit | Line | Data |
---|---|---|
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 | ||
516304b0 JP |
24 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
25 | ||
5a0e3ad6 TH |
26 | #include <linux/slab.h> |
27 | ||
c6e387a2 NK |
28 | #include "ath5k.h" |
29 | #include "reg.h" | |
30 | #include "debug.h" | |
c6e387a2 | 31 | |
9320b5c4 NK |
32 | |
33 | /******************\ | |
34 | * Helper functions * | |
35 | \******************/ | |
36 | ||
37 | /* | |
38 | * Translate binary channel representation in EEPROM to frequency | |
39 | */ | |
40 | static u16 ath5k_eeprom_bin2freq(struct ath5k_eeprom_info *ee, u16 bin, | |
41 | unsigned int mode) | |
42 | { | |
43 | u16 val; | |
44 | ||
45 | if (bin == AR5K_EEPROM_CHANNEL_DIS) | |
46 | return bin; | |
47 | ||
48 | if (mode == AR5K_EEPROM_MODE_11A) { | |
49 | if (ee->ee_version > AR5K_EEPROM_VERSION_3_2) | |
50 | val = (5 * bin) + 4800; | |
51 | else | |
52 | val = bin > 62 ? (10 * 62) + (5 * (bin - 62)) + 5100 : | |
53 | (bin * 10) + 5100; | |
54 | } else { | |
55 | if (ee->ee_version > AR5K_EEPROM_VERSION_3_2) | |
56 | val = bin + 2300; | |
57 | else | |
58 | val = bin + 2400; | |
59 | } | |
60 | ||
61 | return val; | |
62 | } | |
63 | ||
64 | ||
65 | /*********\ | |
66 | * Parsers * | |
67 | \*********/ | |
68 | ||
1048643e FF |
69 | /* |
70 | * Initialize eeprom & capabilities structs | |
71 | */ | |
72 | static int | |
73 | ath5k_eeprom_init_header(struct ath5k_hw *ah) | |
74 | { | |
75 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
1048643e | 76 | u16 val; |
359207c6 | 77 | u32 cksum, offset, eep_max = AR5K_EEPROM_INFO_MAX; |
1048643e | 78 | |
1048643e FF |
79 | /* |
80 | * Read values from EEPROM and store them in the capability structure | |
81 | */ | |
82 | AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MAGIC, ee_magic); | |
83 | AR5K_EEPROM_READ_HDR(AR5K_EEPROM_PROTECT, ee_protect); | |
84 | AR5K_EEPROM_READ_HDR(AR5K_EEPROM_REG_DOMAIN, ee_regdomain); | |
85 | AR5K_EEPROM_READ_HDR(AR5K_EEPROM_VERSION, ee_version); | |
86 | AR5K_EEPROM_READ_HDR(AR5K_EEPROM_HDR, ee_header); | |
87 | ||
88 | /* Return if we have an old EEPROM */ | |
89 | if (ah->ah_ee_version < AR5K_EEPROM_VERSION_3_0) | |
90 | return 0; | |
91 | ||
1048643e FF |
92 | /* |
93 | * Validate the checksum of the EEPROM date. There are some | |
94 | * devices with invalid EEPROMs. | |
95 | */ | |
359207c6 LR |
96 | AR5K_EEPROM_READ(AR5K_EEPROM_SIZE_UPPER, val); |
97 | if (val) { | |
98 | eep_max = (val & AR5K_EEPROM_SIZE_UPPER_MASK) << | |
99 | AR5K_EEPROM_SIZE_ENDLOC_SHIFT; | |
100 | AR5K_EEPROM_READ(AR5K_EEPROM_SIZE_LOWER, val); | |
101 | eep_max = (eep_max | val) - AR5K_EEPROM_INFO_BASE; | |
102 | ||
103 | /* | |
104 | * Fail safe check to prevent stupid loops due | |
105 | * to busted EEPROMs. XXX: This value is likely too | |
106 | * big still, waiting on a better value. | |
107 | */ | |
108 | if (eep_max > (3 * AR5K_EEPROM_INFO_MAX)) { | |
e0d687bd | 109 | ATH5K_ERR(ah, "Invalid max custom EEPROM size: " |
359207c6 LR |
110 | "%d (0x%04x) max expected: %d (0x%04x)\n", |
111 | eep_max, eep_max, | |
112 | 3 * AR5K_EEPROM_INFO_MAX, | |
113 | 3 * AR5K_EEPROM_INFO_MAX); | |
114 | return -EIO; | |
115 | } | |
116 | } | |
117 | ||
118 | for (cksum = 0, offset = 0; offset < eep_max; offset++) { | |
1048643e FF |
119 | AR5K_EEPROM_READ(AR5K_EEPROM_INFO(offset), val); |
120 | cksum ^= val; | |
121 | } | |
122 | if (cksum != AR5K_EEPROM_INFO_CKSUM) { | |
e0d687bd | 123 | ATH5K_ERR(ah, "Invalid EEPROM " |
359207c6 LR |
124 | "checksum: 0x%04x eep_max: 0x%04x (%s)\n", |
125 | cksum, eep_max, | |
126 | eep_max == AR5K_EEPROM_INFO_MAX ? | |
127 | "default size" : "custom size"); | |
1048643e FF |
128 | return -EIO; |
129 | } | |
1048643e FF |
130 | |
131 | AR5K_EEPROM_READ_HDR(AR5K_EEPROM_ANT_GAIN(ah->ah_ee_version), | |
132 | ee_ant_gain); | |
133 | ||
134 | if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_0) { | |
135 | AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC0, ee_misc0); | |
136 | AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC1, ee_misc1); | |
0ea9c00c NK |
137 | |
138 | /* XXX: Don't know which versions include these two */ | |
139 | AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC2, ee_misc2); | |
140 | ||
141 | if (ee->ee_version >= AR5K_EEPROM_VERSION_4_3) | |
142 | AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC3, ee_misc3); | |
143 | ||
144 | if (ee->ee_version >= AR5K_EEPROM_VERSION_5_0) { | |
145 | AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC4, ee_misc4); | |
146 | AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC5, ee_misc5); | |
147 | AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC6, ee_misc6); | |
148 | } | |
1048643e FF |
149 | } |
150 | ||
151 | if (ah->ah_ee_version < AR5K_EEPROM_VERSION_3_3) { | |
152 | AR5K_EEPROM_READ(AR5K_EEPROM_OBDB0_2GHZ, val); | |
153 | ee->ee_ob[AR5K_EEPROM_MODE_11B][0] = val & 0x7; | |
154 | ee->ee_db[AR5K_EEPROM_MODE_11B][0] = (val >> 3) & 0x7; | |
155 | ||
156 | AR5K_EEPROM_READ(AR5K_EEPROM_OBDB1_2GHZ, val); | |
157 | ee->ee_ob[AR5K_EEPROM_MODE_11G][0] = val & 0x7; | |
158 | ee->ee_db[AR5K_EEPROM_MODE_11G][0] = (val >> 3) & 0x7; | |
159 | } | |
160 | ||
1889ba0a NK |
161 | AR5K_EEPROM_READ(AR5K_EEPROM_IS_HB63, val); |
162 | ||
163 | if ((ah->ah_mac_version == (AR5K_SREV_AR2425 >> 4)) && val) | |
164 | ee->ee_is_hb63 = true; | |
165 | else | |
166 | ee->ee_is_hb63 = false; | |
167 | ||
168 | AR5K_EEPROM_READ(AR5K_EEPROM_RFKILL, val); | |
169 | ee->ee_rfkill_pin = (u8) AR5K_REG_MS(val, AR5K_EEPROM_RFKILL_GPIO_SEL); | |
170 | ee->ee_rfkill_pol = val & AR5K_EEPROM_RFKILL_POLARITY ? true : false; | |
171 | ||
c38e7a93 NK |
172 | /* Check if PCIE_OFFSET points to PCIE_SERDES_SECTION |
173 | * and enable serdes programming if needed. | |
174 | * | |
175 | * XXX: Serdes values seem to be fixed so | |
176 | * no need to read them here, we write them | |
132b1c3e | 177 | * during ath5k_hw_init */ |
c38e7a93 NK |
178 | AR5K_EEPROM_READ(AR5K_EEPROM_PCIE_OFFSET, val); |
179 | ee->ee_serdes = (val == AR5K_EEPROM_PCIE_SERDES_SECTION) ? | |
180 | true : false; | |
181 | ||
1048643e FF |
182 | return 0; |
183 | } | |
184 | ||
185 | ||
c6e387a2 NK |
186 | /* |
187 | * Read antenna infos from eeprom | |
188 | */ | |
189 | static int ath5k_eeprom_read_ants(struct ath5k_hw *ah, u32 *offset, | |
190 | unsigned int mode) | |
191 | { | |
192 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
193 | u32 o = *offset; | |
194 | u16 val; | |
fda9b7af | 195 | int i = 0; |
c6e387a2 NK |
196 | |
197 | AR5K_EEPROM_READ(o++, val); | |
198 | ee->ee_switch_settling[mode] = (val >> 8) & 0x7f; | |
1048643e | 199 | ee->ee_atn_tx_rx[mode] = (val >> 2) & 0x3f; |
c6e387a2 NK |
200 | ee->ee_ant_control[mode][i] = (val << 4) & 0x3f; |
201 | ||
202 | AR5K_EEPROM_READ(o++, val); | |
203 | ee->ee_ant_control[mode][i++] |= (val >> 12) & 0xf; | |
204 | ee->ee_ant_control[mode][i++] = (val >> 6) & 0x3f; | |
205 | ee->ee_ant_control[mode][i++] = val & 0x3f; | |
206 | ||
207 | AR5K_EEPROM_READ(o++, val); | |
208 | ee->ee_ant_control[mode][i++] = (val >> 10) & 0x3f; | |
209 | ee->ee_ant_control[mode][i++] = (val >> 4) & 0x3f; | |
210 | ee->ee_ant_control[mode][i] = (val << 2) & 0x3f; | |
211 | ||
212 | AR5K_EEPROM_READ(o++, val); | |
213 | ee->ee_ant_control[mode][i++] |= (val >> 14) & 0x3; | |
214 | ee->ee_ant_control[mode][i++] = (val >> 8) & 0x3f; | |
215 | ee->ee_ant_control[mode][i++] = (val >> 2) & 0x3f; | |
216 | ee->ee_ant_control[mode][i] = (val << 4) & 0x3f; | |
217 | ||
218 | AR5K_EEPROM_READ(o++, val); | |
219 | ee->ee_ant_control[mode][i++] |= (val >> 12) & 0xf; | |
220 | ee->ee_ant_control[mode][i++] = (val >> 6) & 0x3f; | |
221 | ee->ee_ant_control[mode][i++] = val & 0x3f; | |
222 | ||
2bed03eb NK |
223 | /* Get antenna switch tables */ |
224 | ah->ah_ant_ctl[mode][AR5K_ANT_CTL] = | |
e8f055f0 | 225 | (ee->ee_ant_control[mode][0] << 4); |
2bed03eb | 226 | ah->ah_ant_ctl[mode][AR5K_ANT_SWTABLE_A] = |
0a5d3813 PR |
227 | ee->ee_ant_control[mode][1] | |
228 | (ee->ee_ant_control[mode][2] << 6) | | |
c6e387a2 NK |
229 | (ee->ee_ant_control[mode][3] << 12) | |
230 | (ee->ee_ant_control[mode][4] << 18) | | |
231 | (ee->ee_ant_control[mode][5] << 24); | |
2bed03eb | 232 | ah->ah_ant_ctl[mode][AR5K_ANT_SWTABLE_B] = |
0a5d3813 PR |
233 | ee->ee_ant_control[mode][6] | |
234 | (ee->ee_ant_control[mode][7] << 6) | | |
c6e387a2 NK |
235 | (ee->ee_ant_control[mode][8] << 12) | |
236 | (ee->ee_ant_control[mode][9] << 18) | | |
237 | (ee->ee_ant_control[mode][10] << 24); | |
238 | ||
239 | /* return new offset */ | |
240 | *offset = o; | |
241 | ||
242 | return 0; | |
243 | } | |
244 | ||
245 | /* | |
0ea9c00c NK |
246 | * Read supported modes and some mode-specific calibration data |
247 | * from eeprom | |
c6e387a2 NK |
248 | */ |
249 | static int ath5k_eeprom_read_modes(struct ath5k_hw *ah, u32 *offset, | |
250 | unsigned int mode) | |
251 | { | |
252 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
253 | u32 o = *offset; | |
254 | u16 val; | |
c6e387a2 | 255 | |
1048643e FF |
256 | ee->ee_n_piers[mode] = 0; |
257 | AR5K_EEPROM_READ(o++, val); | |
258 | ee->ee_adc_desired_size[mode] = (s8)((val >> 8) & 0xff); | |
e4bbf2f5 | 259 | switch (mode) { |
1048643e | 260 | case AR5K_EEPROM_MODE_11A: |
8e218fb2 NK |
261 | ee->ee_ob[mode][3] = (val >> 5) & 0x7; |
262 | ee->ee_db[mode][3] = (val >> 2) & 0x7; | |
263 | ee->ee_ob[mode][2] = (val << 1) & 0x7; | |
1048643e FF |
264 | |
265 | AR5K_EEPROM_READ(o++, val); | |
8e218fb2 NK |
266 | ee->ee_ob[mode][2] |= (val >> 15) & 0x1; |
267 | ee->ee_db[mode][2] = (val >> 12) & 0x7; | |
268 | ee->ee_ob[mode][1] = (val >> 9) & 0x7; | |
269 | ee->ee_db[mode][1] = (val >> 6) & 0x7; | |
270 | ee->ee_ob[mode][0] = (val >> 3) & 0x7; | |
271 | ee->ee_db[mode][0] = val & 0x7; | |
1048643e FF |
272 | break; |
273 | case AR5K_EEPROM_MODE_11G: | |
274 | case AR5K_EEPROM_MODE_11B: | |
8e218fb2 NK |
275 | ee->ee_ob[mode][1] = (val >> 4) & 0x7; |
276 | ee->ee_db[mode][1] = val & 0x7; | |
1048643e FF |
277 | break; |
278 | } | |
279 | ||
c6e387a2 NK |
280 | AR5K_EEPROM_READ(o++, val); |
281 | ee->ee_tx_end2xlna_enable[mode] = (val >> 8) & 0xff; | |
282 | ee->ee_thr_62[mode] = val & 0xff; | |
283 | ||
284 | if (ah->ah_ee_version <= AR5K_EEPROM_VERSION_3_2) | |
285 | ee->ee_thr_62[mode] = mode == AR5K_EEPROM_MODE_11A ? 15 : 28; | |
286 | ||
287 | AR5K_EEPROM_READ(o++, val); | |
288 | ee->ee_tx_end2xpa_disable[mode] = (val >> 8) & 0xff; | |
289 | ee->ee_tx_frm2xpa_enable[mode] = val & 0xff; | |
290 | ||
291 | AR5K_EEPROM_READ(o++, val); | |
292 | ee->ee_pga_desired_size[mode] = (val >> 8) & 0xff; | |
293 | ||
294 | if ((val & 0xff) & 0x80) | |
295 | ee->ee_noise_floor_thr[mode] = -((((val & 0xff) ^ 0xff)) + 1); | |
296 | else | |
297 | ee->ee_noise_floor_thr[mode] = val & 0xff; | |
298 | ||
299 | if (ah->ah_ee_version <= AR5K_EEPROM_VERSION_3_2) | |
300 | ee->ee_noise_floor_thr[mode] = | |
301 | mode == AR5K_EEPROM_MODE_11A ? -54 : -1; | |
302 | ||
303 | AR5K_EEPROM_READ(o++, val); | |
304 | ee->ee_xlna_gain[mode] = (val >> 5) & 0xff; | |
305 | ee->ee_x_gain[mode] = (val >> 1) & 0xf; | |
306 | ee->ee_xpd[mode] = val & 0x1; | |
307 | ||
687c8ff1 BR |
308 | if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_0 && |
309 | mode != AR5K_EEPROM_MODE_11B) | |
c6e387a2 NK |
310 | ee->ee_fixed_bias[mode] = (val >> 13) & 0x1; |
311 | ||
312 | if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_3_3) { | |
313 | AR5K_EEPROM_READ(o++, val); | |
314 | ee->ee_false_detect[mode] = (val >> 6) & 0x7f; | |
315 | ||
316 | if (mode == AR5K_EEPROM_MODE_11A) | |
317 | ee->ee_xr_power[mode] = val & 0x3f; | |
318 | else { | |
687c8ff1 | 319 | /* b_DB_11[bg] and b_OB_11[bg] */ |
c6e387a2 NK |
320 | ee->ee_ob[mode][0] = val & 0x7; |
321 | ee->ee_db[mode][0] = (val >> 3) & 0x7; | |
322 | } | |
323 | } | |
324 | ||
325 | if (ah->ah_ee_version < AR5K_EEPROM_VERSION_3_4) { | |
326 | ee->ee_i_gain[mode] = AR5K_EEPROM_I_GAIN; | |
327 | ee->ee_cck_ofdm_power_delta = AR5K_EEPROM_CCK_OFDM_DELTA; | |
328 | } else { | |
329 | ee->ee_i_gain[mode] = (val >> 13) & 0x7; | |
330 | ||
331 | AR5K_EEPROM_READ(o++, val); | |
332 | ee->ee_i_gain[mode] |= (val << 3) & 0x38; | |
333 | ||
1048643e | 334 | if (mode == AR5K_EEPROM_MODE_11G) { |
c6e387a2 | 335 | ee->ee_cck_ofdm_power_delta = (val >> 3) & 0xff; |
1048643e FF |
336 | if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_6) |
337 | ee->ee_scaled_cck_delta = (val >> 11) & 0x1f; | |
338 | } | |
c6e387a2 NK |
339 | } |
340 | ||
341 | if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_0 && | |
342 | mode == AR5K_EEPROM_MODE_11A) { | |
343 | ee->ee_i_cal[mode] = (val >> 8) & 0x3f; | |
344 | ee->ee_q_cal[mode] = (val >> 3) & 0x1f; | |
345 | } | |
346 | ||
1048643e FF |
347 | if (ah->ah_ee_version < AR5K_EEPROM_VERSION_4_0) |
348 | goto done; | |
349 | ||
0ea9c00c NK |
350 | /* Note: >= v5 have bg freq piers on another location |
351 | * so these freq piers are ignored for >= v5 (should be 0xff | |
352 | * anyway) */ | |
e4bbf2f5 | 353 | switch (mode) { |
1048643e FF |
354 | case AR5K_EEPROM_MODE_11A: |
355 | if (ah->ah_ee_version < AR5K_EEPROM_VERSION_4_1) | |
356 | break; | |
357 | ||
358 | AR5K_EEPROM_READ(o++, val); | |
359 | ee->ee_margin_tx_rx[mode] = val & 0x3f; | |
360 | break; | |
361 | case AR5K_EEPROM_MODE_11B: | |
362 | AR5K_EEPROM_READ(o++, val); | |
363 | ||
364 | ee->ee_pwr_cal_b[0].freq = | |
365 | ath5k_eeprom_bin2freq(ee, val & 0xff, mode); | |
366 | if (ee->ee_pwr_cal_b[0].freq != AR5K_EEPROM_CHANNEL_DIS) | |
367 | ee->ee_n_piers[mode]++; | |
368 | ||
369 | ee->ee_pwr_cal_b[1].freq = | |
370 | ath5k_eeprom_bin2freq(ee, (val >> 8) & 0xff, mode); | |
371 | if (ee->ee_pwr_cal_b[1].freq != AR5K_EEPROM_CHANNEL_DIS) | |
372 | ee->ee_n_piers[mode]++; | |
373 | ||
374 | AR5K_EEPROM_READ(o++, val); | |
375 | ee->ee_pwr_cal_b[2].freq = | |
376 | ath5k_eeprom_bin2freq(ee, val & 0xff, mode); | |
377 | if (ee->ee_pwr_cal_b[2].freq != AR5K_EEPROM_CHANNEL_DIS) | |
378 | ee->ee_n_piers[mode]++; | |
379 | ||
380 | if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_1) | |
381 | ee->ee_margin_tx_rx[mode] = (val >> 8) & 0x3f; | |
382 | break; | |
383 | case AR5K_EEPROM_MODE_11G: | |
384 | AR5K_EEPROM_READ(o++, val); | |
385 | ||
386 | ee->ee_pwr_cal_g[0].freq = | |
387 | ath5k_eeprom_bin2freq(ee, val & 0xff, mode); | |
388 | if (ee->ee_pwr_cal_g[0].freq != AR5K_EEPROM_CHANNEL_DIS) | |
389 | ee->ee_n_piers[mode]++; | |
390 | ||
391 | ee->ee_pwr_cal_g[1].freq = | |
392 | ath5k_eeprom_bin2freq(ee, (val >> 8) & 0xff, mode); | |
393 | if (ee->ee_pwr_cal_g[1].freq != AR5K_EEPROM_CHANNEL_DIS) | |
394 | ee->ee_n_piers[mode]++; | |
395 | ||
396 | AR5K_EEPROM_READ(o++, val); | |
397 | ee->ee_turbo_max_power[mode] = val & 0x7f; | |
398 | ee->ee_xr_power[mode] = (val >> 7) & 0x3f; | |
399 | ||
400 | AR5K_EEPROM_READ(o++, val); | |
401 | ee->ee_pwr_cal_g[2].freq = | |
402 | ath5k_eeprom_bin2freq(ee, val & 0xff, mode); | |
403 | if (ee->ee_pwr_cal_g[2].freq != AR5K_EEPROM_CHANNEL_DIS) | |
404 | ee->ee_n_piers[mode]++; | |
c6e387a2 | 405 | |
1048643e FF |
406 | if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_1) |
407 | ee->ee_margin_tx_rx[mode] = (val >> 8) & 0x3f; | |
408 | ||
409 | AR5K_EEPROM_READ(o++, val); | |
5f13bfac BR |
410 | ee->ee_i_cal[mode] = (val >> 5) & 0x3f; |
411 | ee->ee_q_cal[mode] = val & 0x1f; | |
1048643e FF |
412 | |
413 | if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_2) { | |
414 | AR5K_EEPROM_READ(o++, val); | |
415 | ee->ee_cck_ofdm_gain_delta = val & 0xff; | |
416 | } | |
417 | break; | |
418 | } | |
419 | ||
3b3ee43d PR |
420 | /* |
421 | * Read turbo mode information on newer EEPROM versions | |
422 | */ | |
1048643e | 423 | if (ee->ee_version < AR5K_EEPROM_VERSION_5_0) |
3b3ee43d | 424 | goto done; |
c6e387a2 | 425 | |
e4bbf2f5 | 426 | switch (mode) { |
1048643e FF |
427 | case AR5K_EEPROM_MODE_11A: |
428 | ee->ee_switch_settling_turbo[mode] = (val >> 6) & 0x7f; | |
c6e387a2 | 429 | |
1048643e FF |
430 | ee->ee_atn_tx_rx_turbo[mode] = (val >> 13) & 0x7; |
431 | AR5K_EEPROM_READ(o++, val); | |
432 | ee->ee_atn_tx_rx_turbo[mode] |= (val & 0x7) << 3; | |
433 | ee->ee_margin_tx_rx_turbo[mode] = (val >> 3) & 0x3f; | |
434 | ||
435 | ee->ee_adc_desired_size_turbo[mode] = (val >> 9) & 0x7f; | |
436 | AR5K_EEPROM_READ(o++, val); | |
437 | ee->ee_adc_desired_size_turbo[mode] |= (val & 0x1) << 7; | |
438 | ee->ee_pga_desired_size_turbo[mode] = (val >> 1) & 0xff; | |
439 | ||
e4bbf2f5 | 440 | if (AR5K_EEPROM_EEMAP(ee->ee_misc0) >= 2) |
1048643e FF |
441 | ee->ee_pd_gain_overlap = (val >> 9) & 0xf; |
442 | break; | |
443 | case AR5K_EEPROM_MODE_11G: | |
444 | ee->ee_switch_settling_turbo[mode] = (val >> 8) & 0x7f; | |
445 | ||
446 | ee->ee_atn_tx_rx_turbo[mode] = (val >> 15) & 0x7; | |
447 | AR5K_EEPROM_READ(o++, val); | |
448 | ee->ee_atn_tx_rx_turbo[mode] |= (val & 0x1f) << 1; | |
449 | ee->ee_margin_tx_rx_turbo[mode] = (val >> 5) & 0x3f; | |
450 | ||
451 | ee->ee_adc_desired_size_turbo[mode] = (val >> 11) & 0x7f; | |
452 | AR5K_EEPROM_READ(o++, val); | |
453 | ee->ee_adc_desired_size_turbo[mode] |= (val & 0x7) << 5; | |
454 | ee->ee_pga_desired_size_turbo[mode] = (val >> 3) & 0xff; | |
455 | break; | |
456 | } | |
457 | ||
3b3ee43d | 458 | done: |
1048643e FF |
459 | /* return new offset */ |
460 | *offset = o; | |
461 | ||
462 | return 0; | |
463 | } | |
464 | ||
0ea9c00c | 465 | /* Read mode-specific data (except power calibration data) */ |
1048643e FF |
466 | static int |
467 | ath5k_eeprom_init_modes(struct ath5k_hw *ah) | |
468 | { | |
469 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
470 | u32 mode_offset[3]; | |
471 | unsigned int mode; | |
472 | u32 offset; | |
473 | int ret; | |
c6e387a2 | 474 | |
c6e387a2 | 475 | /* |
1048643e | 476 | * Get values for all modes |
c6e387a2 | 477 | */ |
1048643e FF |
478 | mode_offset[AR5K_EEPROM_MODE_11A] = AR5K_EEPROM_MODES_11A(ah->ah_ee_version); |
479 | mode_offset[AR5K_EEPROM_MODE_11B] = AR5K_EEPROM_MODES_11B(ah->ah_ee_version); | |
480 | mode_offset[AR5K_EEPROM_MODE_11G] = AR5K_EEPROM_MODES_11G(ah->ah_ee_version); | |
481 | ||
482 | ee->ee_turbo_max_power[AR5K_EEPROM_MODE_11A] = | |
483 | AR5K_EEPROM_HDR_T_5GHZ_DBM(ee->ee_header); | |
484 | ||
485 | for (mode = AR5K_EEPROM_MODE_11A; mode <= AR5K_EEPROM_MODE_11G; mode++) { | |
486 | offset = mode_offset[mode]; | |
487 | ||
488 | ret = ath5k_eeprom_read_ants(ah, &offset, mode); | |
489 | if (ret) | |
490 | return ret; | |
491 | ||
492 | ret = ath5k_eeprom_read_modes(ah, &offset, mode); | |
493 | if (ret) | |
494 | return ret; | |
c6e387a2 | 495 | } |
1048643e FF |
496 | |
497 | /* override for older eeprom versions for better performance */ | |
498 | if (ah->ah_ee_version <= AR5K_EEPROM_VERSION_3_2) { | |
499 | ee->ee_thr_62[AR5K_EEPROM_MODE_11A] = 15; | |
500 | ee->ee_thr_62[AR5K_EEPROM_MODE_11B] = 28; | |
501 | ee->ee_thr_62[AR5K_EEPROM_MODE_11G] = 28; | |
c6e387a2 | 502 | } |
c6e387a2 | 503 | |
1048643e FF |
504 | return 0; |
505 | } | |
c6e387a2 | 506 | |
0ea9c00c NK |
507 | /* Read the frequency piers for each mode (mostly used on newer eeproms with 0xff |
508 | * frequency mask) */ | |
1048643e FF |
509 | static inline int |
510 | ath5k_eeprom_read_freq_list(struct ath5k_hw *ah, int *offset, int max, | |
0ea9c00c | 511 | struct ath5k_chan_pcal_info *pc, unsigned int mode) |
1048643e | 512 | { |
0ea9c00c | 513 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; |
1048643e FF |
514 | int o = *offset; |
515 | int i = 0; | |
0ea9c00c | 516 | u8 freq1, freq2; |
1048643e FF |
517 | u16 val; |
518 | ||
8e218fb2 | 519 | ee->ee_n_piers[mode] = 0; |
e4bbf2f5 | 520 | while (i < max) { |
1048643e FF |
521 | AR5K_EEPROM_READ(o++, val); |
522 | ||
8e218fb2 NK |
523 | freq1 = val & 0xff; |
524 | if (!freq1) | |
525 | break; | |
1048643e | 526 | |
8e218fb2 NK |
527 | pc[i++].freq = ath5k_eeprom_bin2freq(ee, |
528 | freq1, mode); | |
529 | ee->ee_n_piers[mode]++; | |
1048643e | 530 | |
8e218fb2 NK |
531 | freq2 = (val >> 8) & 0xff; |
532 | if (!freq2) | |
1048643e | 533 | break; |
8e218fb2 NK |
534 | |
535 | pc[i++].freq = ath5k_eeprom_bin2freq(ee, | |
536 | freq2, mode); | |
537 | ee->ee_n_piers[mode]++; | |
c6e387a2 | 538 | } |
0ea9c00c NK |
539 | |
540 | /* return new offset */ | |
1048643e | 541 | *offset = o; |
c6e387a2 | 542 | |
1048643e FF |
543 | return 0; |
544 | } | |
545 | ||
0ea9c00c | 546 | /* Read frequency piers for 802.11a */ |
1048643e FF |
547 | static int |
548 | ath5k_eeprom_init_11a_pcal_freq(struct ath5k_hw *ah, int offset) | |
549 | { | |
550 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
551 | struct ath5k_chan_pcal_info *pcal = ee->ee_pwr_cal_a; | |
fda9b7af | 552 | int i; |
1048643e FF |
553 | u16 val; |
554 | u8 mask; | |
555 | ||
556 | if (ee->ee_version >= AR5K_EEPROM_VERSION_3_3) { | |
557 | ath5k_eeprom_read_freq_list(ah, &offset, | |
558 | AR5K_EEPROM_N_5GHZ_CHAN, pcal, | |
0ea9c00c | 559 | AR5K_EEPROM_MODE_11A); |
1048643e FF |
560 | } else { |
561 | mask = AR5K_EEPROM_FREQ_M(ah->ah_ee_version); | |
c6e387a2 | 562 | |
c6e387a2 | 563 | AR5K_EEPROM_READ(offset++, val); |
1048643e FF |
564 | pcal[0].freq = (val >> 9) & mask; |
565 | pcal[1].freq = (val >> 2) & mask; | |
566 | pcal[2].freq = (val << 5) & mask; | |
567 | ||
568 | AR5K_EEPROM_READ(offset++, val); | |
569 | pcal[2].freq |= (val >> 11) & 0x1f; | |
570 | pcal[3].freq = (val >> 4) & mask; | |
571 | pcal[4].freq = (val << 3) & mask; | |
572 | ||
573 | AR5K_EEPROM_READ(offset++, val); | |
574 | pcal[4].freq |= (val >> 13) & 0x7; | |
575 | pcal[5].freq = (val >> 6) & mask; | |
576 | pcal[6].freq = (val << 1) & mask; | |
577 | ||
578 | AR5K_EEPROM_READ(offset++, val); | |
579 | pcal[6].freq |= (val >> 15) & 0x1; | |
580 | pcal[7].freq = (val >> 8) & mask; | |
581 | pcal[8].freq = (val >> 1) & mask; | |
582 | pcal[9].freq = (val << 6) & mask; | |
583 | ||
584 | AR5K_EEPROM_READ(offset++, val); | |
585 | pcal[9].freq |= (val >> 10) & 0x3f; | |
0ea9c00c NK |
586 | |
587 | /* Fixed number of piers */ | |
1048643e | 588 | ee->ee_n_piers[AR5K_EEPROM_MODE_11A] = 10; |
c6e387a2 | 589 | |
0ea9c00c NK |
590 | for (i = 0; i < AR5K_EEPROM_N_5GHZ_CHAN; i++) { |
591 | pcal[i].freq = ath5k_eeprom_bin2freq(ee, | |
1048643e | 592 | pcal[i].freq, AR5K_EEPROM_MODE_11A); |
0ea9c00c | 593 | } |
1048643e | 594 | } |
c6e387a2 | 595 | |
1048643e FF |
596 | return 0; |
597 | } | |
c6e387a2 | 598 | |
0ea9c00c | 599 | /* Read frequency piers for 802.11bg on eeprom versions >= 5 and eemap >= 2 */ |
1048643e FF |
600 | static inline int |
601 | ath5k_eeprom_init_11bg_2413(struct ath5k_hw *ah, unsigned int mode, int offset) | |
602 | { | |
603 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
604 | struct ath5k_chan_pcal_info *pcal; | |
1048643e | 605 | |
e4bbf2f5 | 606 | switch (mode) { |
1048643e FF |
607 | case AR5K_EEPROM_MODE_11B: |
608 | pcal = ee->ee_pwr_cal_b; | |
609 | break; | |
610 | case AR5K_EEPROM_MODE_11G: | |
611 | pcal = ee->ee_pwr_cal_g; | |
612 | break; | |
613 | default: | |
614 | return -EINVAL; | |
615 | } | |
c6e387a2 | 616 | |
1048643e FF |
617 | ath5k_eeprom_read_freq_list(ah, &offset, |
618 | AR5K_EEPROM_N_2GHZ_CHAN_2413, pcal, | |
0ea9c00c | 619 | mode); |
c6e387a2 | 620 | |
1048643e FF |
621 | return 0; |
622 | } | |
c6e387a2 | 623 | |
9320b5c4 | 624 | |
8e218fb2 NK |
625 | /* |
626 | * Read power calibration for RF5111 chips | |
627 | * | |
0ea9c00c | 628 | * For RF5111 we have an XPD -eXternal Power Detector- curve |
8e218fb2 NK |
629 | * for each calibrated channel. Each curve has 0,5dB Power steps |
630 | * on x axis and PCDAC steps (offsets) on y axis and looks like an | |
631 | * exponential function. To recreate the curve we read 11 points | |
632 | * here and interpolate later. | |
0ea9c00c | 633 | */ |
8e218fb2 NK |
634 | |
635 | /* Used to match PCDAC steps with power values on RF5111 chips | |
636 | * (eeprom versions < 4). For RF5111 we have 11 pre-defined PCDAC | |
637 | * steps that match with the power values we read from eeprom. On | |
6a2a0e73 | 638 | * older eeprom versions (< 3.2) these steps are equally spaced at |
a180a130 | 639 | * 10% of the pcdac curve -until the curve reaches its maximum- |
8e218fb2 NK |
640 | * (11 steps from 0 to 100%) but on newer eeprom versions (>= 3.2) |
641 | * these 11 steps are spaced in a different way. This function returns | |
642 | * the pcdac steps based on eeprom version and curve min/max so that we | |
643 | * can have pcdac/pwr points. | |
644 | */ | |
645 | static inline void | |
646 | ath5k_get_pcdac_intercepts(struct ath5k_hw *ah, u8 min, u8 max, u8 *vp) | |
647 | { | |
d2c7f773 PR |
648 | static const u16 intercepts3[] = { |
649 | 0, 5, 10, 20, 30, 50, 70, 85, 90, 95, 100 | |
650 | }; | |
651 | static const u16 intercepts3_2[] = { | |
652 | 0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100 | |
653 | }; | |
8e218fb2 NK |
654 | const u16 *ip; |
655 | int i; | |
656 | ||
657 | if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_3_2) | |
658 | ip = intercepts3_2; | |
659 | else | |
660 | ip = intercepts3; | |
661 | ||
662 | for (i = 0; i < ARRAY_SIZE(intercepts3); i++) | |
663 | vp[i] = (ip[i] * max + (100 - ip[i]) * min) / 100; | |
664 | } | |
665 | ||
a0657846 JL |
666 | static int |
667 | ath5k_eeprom_free_pcal_info(struct ath5k_hw *ah, int mode) | |
668 | { | |
669 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
670 | struct ath5k_chan_pcal_info *chinfo; | |
671 | u8 pier, pdg; | |
672 | ||
673 | switch (mode) { | |
674 | case AR5K_EEPROM_MODE_11A: | |
675 | if (!AR5K_EEPROM_HDR_11A(ee->ee_header)) | |
676 | return 0; | |
677 | chinfo = ee->ee_pwr_cal_a; | |
678 | break; | |
679 | case AR5K_EEPROM_MODE_11B: | |
680 | if (!AR5K_EEPROM_HDR_11B(ee->ee_header)) | |
681 | return 0; | |
682 | chinfo = ee->ee_pwr_cal_b; | |
683 | break; | |
684 | case AR5K_EEPROM_MODE_11G: | |
685 | if (!AR5K_EEPROM_HDR_11G(ee->ee_header)) | |
686 | return 0; | |
687 | chinfo = ee->ee_pwr_cal_g; | |
688 | break; | |
689 | default: | |
690 | return -EINVAL; | |
691 | } | |
692 | ||
693 | for (pier = 0; pier < ee->ee_n_piers[mode]; pier++) { | |
694 | if (!chinfo[pier].pd_curves) | |
695 | continue; | |
696 | ||
a0b8de35 | 697 | for (pdg = 0; pdg < AR5K_EEPROM_N_PD_CURVES; pdg++) { |
a0657846 JL |
698 | struct ath5k_pdgain_info *pd = |
699 | &chinfo[pier].pd_curves[pdg]; | |
700 | ||
a0b8de35 ES |
701 | kfree(pd->pd_step); |
702 | kfree(pd->pd_pwr); | |
a0657846 JL |
703 | } |
704 | ||
705 | kfree(chinfo[pier].pd_curves); | |
706 | } | |
707 | ||
708 | return 0; | |
709 | } | |
710 | ||
8e218fb2 NK |
711 | /* Convert RF5111 specific data to generic raw data |
712 | * used by interpolation code */ | |
713 | static int | |
714 | ath5k_eeprom_convert_pcal_info_5111(struct ath5k_hw *ah, int mode, | |
715 | struct ath5k_chan_pcal_info *chinfo) | |
716 | { | |
717 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
718 | struct ath5k_chan_pcal_info_rf5111 *pcinfo; | |
719 | struct ath5k_pdgain_info *pd; | |
720 | u8 pier, point, idx; | |
721 | u8 *pdgain_idx = ee->ee_pdc_to_idx[mode]; | |
722 | ||
723 | /* Fill raw data for each calibration pier */ | |
724 | for (pier = 0; pier < ee->ee_n_piers[mode]; pier++) { | |
725 | ||
726 | pcinfo = &chinfo[pier].rf5111_info; | |
727 | ||
728 | /* Allocate pd_curves for this cal pier */ | |
729 | chinfo[pier].pd_curves = | |
730 | kcalloc(AR5K_EEPROM_N_PD_CURVES, | |
731 | sizeof(struct ath5k_pdgain_info), | |
732 | GFP_KERNEL); | |
733 | ||
734 | if (!chinfo[pier].pd_curves) | |
a0657846 | 735 | goto err_out; |
8e218fb2 NK |
736 | |
737 | /* Only one curve for RF5111 | |
738 | * find out which one and place | |
77c2061d | 739 | * in pd_curves. |
8e218fb2 NK |
740 | * Note: ee_x_gain is reversed here */ |
741 | for (idx = 0; idx < AR5K_EEPROM_N_PD_CURVES; idx++) { | |
742 | ||
743 | if (!((ee->ee_x_gain[mode] >> idx) & 0x1)) { | |
744 | pdgain_idx[0] = idx; | |
745 | break; | |
746 | } | |
747 | } | |
748 | ||
749 | ee->ee_pd_gains[mode] = 1; | |
750 | ||
751 | pd = &chinfo[pier].pd_curves[idx]; | |
752 | ||
753 | pd->pd_points = AR5K_EEPROM_N_PWR_POINTS_5111; | |
754 | ||
755 | /* Allocate pd points for this curve */ | |
756 | pd->pd_step = kcalloc(AR5K_EEPROM_N_PWR_POINTS_5111, | |
757 | sizeof(u8), GFP_KERNEL); | |
758 | if (!pd->pd_step) | |
a0657846 | 759 | goto err_out; |
8e218fb2 NK |
760 | |
761 | pd->pd_pwr = kcalloc(AR5K_EEPROM_N_PWR_POINTS_5111, | |
762 | sizeof(s16), GFP_KERNEL); | |
763 | if (!pd->pd_pwr) | |
a0657846 | 764 | goto err_out; |
8e218fb2 NK |
765 | |
766 | /* Fill raw dataset | |
767 | * (convert power to 0.25dB units | |
6a2a0e73 | 768 | * for RF5112 compatibility) */ |
8e218fb2 NK |
769 | for (point = 0; point < pd->pd_points; point++) { |
770 | ||
771 | /* Absolute values */ | |
772 | pd->pd_pwr[point] = 2 * pcinfo->pwr[point]; | |
773 | ||
774 | /* Already sorted */ | |
775 | pd->pd_step[point] = pcinfo->pcdac[point]; | |
776 | } | |
777 | ||
778 | /* Set min/max pwr */ | |
779 | chinfo[pier].min_pwr = pd->pd_pwr[0]; | |
780 | chinfo[pier].max_pwr = pd->pd_pwr[10]; | |
781 | ||
782 | } | |
783 | ||
784 | return 0; | |
a0657846 JL |
785 | |
786 | err_out: | |
787 | ath5k_eeprom_free_pcal_info(ah, mode); | |
788 | return -ENOMEM; | |
8e218fb2 NK |
789 | } |
790 | ||
791 | /* Parse EEPROM data */ | |
1048643e FF |
792 | static int |
793 | ath5k_eeprom_read_pcal_info_5111(struct ath5k_hw *ah, int mode) | |
794 | { | |
795 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
796 | struct ath5k_chan_pcal_info *pcal; | |
797 | int offset, ret; | |
eaee7cc2 | 798 | int i; |
1048643e FF |
799 | u16 val; |
800 | ||
801 | offset = AR5K_EEPROM_GROUPS_START(ee->ee_version); | |
e4bbf2f5 | 802 | switch (mode) { |
1048643e FF |
803 | case AR5K_EEPROM_MODE_11A: |
804 | if (!AR5K_EEPROM_HDR_11A(ee->ee_header)) | |
805 | return 0; | |
806 | ||
807 | ret = ath5k_eeprom_init_11a_pcal_freq(ah, | |
808 | offset + AR5K_EEPROM_GROUP1_OFFSET); | |
809 | if (ret < 0) | |
810 | return ret; | |
811 | ||
812 | offset += AR5K_EEPROM_GROUP2_OFFSET; | |
813 | pcal = ee->ee_pwr_cal_a; | |
814 | break; | |
815 | case AR5K_EEPROM_MODE_11B: | |
816 | if (!AR5K_EEPROM_HDR_11B(ee->ee_header) && | |
817 | !AR5K_EEPROM_HDR_11G(ee->ee_header)) | |
818 | return 0; | |
819 | ||
820 | pcal = ee->ee_pwr_cal_b; | |
821 | offset += AR5K_EEPROM_GROUP3_OFFSET; | |
822 | ||
823 | /* fixed piers */ | |
824 | pcal[0].freq = 2412; | |
825 | pcal[1].freq = 2447; | |
826 | pcal[2].freq = 2484; | |
827 | ee->ee_n_piers[mode] = 3; | |
828 | break; | |
829 | case AR5K_EEPROM_MODE_11G: | |
830 | if (!AR5K_EEPROM_HDR_11G(ee->ee_header)) | |
831 | return 0; | |
832 | ||
833 | pcal = ee->ee_pwr_cal_g; | |
834 | offset += AR5K_EEPROM_GROUP4_OFFSET; | |
835 | ||
836 | /* fixed piers */ | |
837 | pcal[0].freq = 2312; | |
838 | pcal[1].freq = 2412; | |
839 | pcal[2].freq = 2484; | |
840 | ee->ee_n_piers[mode] = 3; | |
841 | break; | |
842 | default: | |
843 | return -EINVAL; | |
c6e387a2 NK |
844 | } |
845 | ||
1048643e FF |
846 | for (i = 0; i < ee->ee_n_piers[mode]; i++) { |
847 | struct ath5k_chan_pcal_info_rf5111 *cdata = | |
848 | &pcal[i].rf5111_info; | |
c6e387a2 | 849 | |
1048643e FF |
850 | AR5K_EEPROM_READ(offset++, val); |
851 | cdata->pcdac_max = ((val >> 10) & AR5K_EEPROM_PCDAC_M); | |
852 | cdata->pcdac_min = ((val >> 4) & AR5K_EEPROM_PCDAC_M); | |
853 | cdata->pwr[0] = ((val << 2) & AR5K_EEPROM_POWER_M); | |
c6e387a2 | 854 | |
1048643e FF |
855 | AR5K_EEPROM_READ(offset++, val); |
856 | cdata->pwr[0] |= ((val >> 14) & 0x3); | |
857 | cdata->pwr[1] = ((val >> 8) & AR5K_EEPROM_POWER_M); | |
858 | cdata->pwr[2] = ((val >> 2) & AR5K_EEPROM_POWER_M); | |
859 | cdata->pwr[3] = ((val << 4) & AR5K_EEPROM_POWER_M); | |
c6e387a2 | 860 | |
1048643e FF |
861 | AR5K_EEPROM_READ(offset++, val); |
862 | cdata->pwr[3] |= ((val >> 12) & 0xf); | |
863 | cdata->pwr[4] = ((val >> 6) & AR5K_EEPROM_POWER_M); | |
864 | cdata->pwr[5] = (val & AR5K_EEPROM_POWER_M); | |
c6e387a2 | 865 | |
c6e387a2 | 866 | AR5K_EEPROM_READ(offset++, val); |
1048643e FF |
867 | cdata->pwr[6] = ((val >> 10) & AR5K_EEPROM_POWER_M); |
868 | cdata->pwr[7] = ((val >> 4) & AR5K_EEPROM_POWER_M); | |
869 | cdata->pwr[8] = ((val << 2) & AR5K_EEPROM_POWER_M); | |
c6e387a2 NK |
870 | |
871 | AR5K_EEPROM_READ(offset++, val); | |
1048643e FF |
872 | cdata->pwr[8] |= ((val >> 14) & 0x3); |
873 | cdata->pwr[9] = ((val >> 8) & AR5K_EEPROM_POWER_M); | |
874 | cdata->pwr[10] = ((val >> 2) & AR5K_EEPROM_POWER_M); | |
875 | ||
876 | ath5k_get_pcdac_intercepts(ah, cdata->pcdac_min, | |
877 | cdata->pcdac_max, cdata->pcdac); | |
c6e387a2 NK |
878 | } |
879 | ||
8e218fb2 | 880 | return ath5k_eeprom_convert_pcal_info_5111(ah, mode, pcal); |
1048643e | 881 | } |
c6e387a2 | 882 | |
8e218fb2 NK |
883 | |
884 | /* | |
885 | * Read power calibration for RF5112 chips | |
886 | * | |
0ea9c00c | 887 | * For RF5112 we have 4 XPD -eXternal Power Detector- curves |
6a2a0e73 | 888 | * for each calibrated channel on 0, -6, -12 and -18dBm but we only |
8e218fb2 NK |
889 | * use the higher (3) and the lower (0) curves. Each curve has 0.5dB |
890 | * power steps on x axis and PCDAC steps on y axis and looks like a | |
891 | * linear function. To recreate the curve and pass the power values | |
892 | * on hw, we read 4 points for xpd 0 (lower gain -> max power) | |
893 | * and 3 points for xpd 3 (higher gain -> lower power) here and | |
894 | * interpolate later. | |
0ea9c00c NK |
895 | * |
896 | * Note: Many vendors just use xpd 0 so xpd 3 is zeroed. | |
897 | */ | |
8e218fb2 NK |
898 | |
899 | /* Convert RF5112 specific data to generic raw data | |
900 | * used by interpolation code */ | |
901 | static int | |
902 | ath5k_eeprom_convert_pcal_info_5112(struct ath5k_hw *ah, int mode, | |
903 | struct ath5k_chan_pcal_info *chinfo) | |
904 | { | |
905 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
906 | struct ath5k_chan_pcal_info_rf5112 *pcinfo; | |
907 | u8 *pdgain_idx = ee->ee_pdc_to_idx[mode]; | |
908 | unsigned int pier, pdg, point; | |
909 | ||
910 | /* Fill raw data for each calibration pier */ | |
911 | for (pier = 0; pier < ee->ee_n_piers[mode]; pier++) { | |
912 | ||
913 | pcinfo = &chinfo[pier].rf5112_info; | |
914 | ||
915 | /* Allocate pd_curves for this cal pier */ | |
916 | chinfo[pier].pd_curves = | |
917 | kcalloc(AR5K_EEPROM_N_PD_CURVES, | |
918 | sizeof(struct ath5k_pdgain_info), | |
919 | GFP_KERNEL); | |
920 | ||
921 | if (!chinfo[pier].pd_curves) | |
a0657846 | 922 | goto err_out; |
8e218fb2 NK |
923 | |
924 | /* Fill pd_curves */ | |
925 | for (pdg = 0; pdg < ee->ee_pd_gains[mode]; pdg++) { | |
926 | ||
927 | u8 idx = pdgain_idx[pdg]; | |
928 | struct ath5k_pdgain_info *pd = | |
929 | &chinfo[pier].pd_curves[idx]; | |
930 | ||
931 | /* Lowest gain curve (max power) */ | |
932 | if (pdg == 0) { | |
933 | /* One more point for better accuracy */ | |
934 | pd->pd_points = AR5K_EEPROM_N_XPD0_POINTS; | |
935 | ||
936 | /* Allocate pd points for this curve */ | |
937 | pd->pd_step = kcalloc(pd->pd_points, | |
938 | sizeof(u8), GFP_KERNEL); | |
939 | ||
940 | if (!pd->pd_step) | |
a0657846 | 941 | goto err_out; |
8e218fb2 NK |
942 | |
943 | pd->pd_pwr = kcalloc(pd->pd_points, | |
944 | sizeof(s16), GFP_KERNEL); | |
945 | ||
946 | if (!pd->pd_pwr) | |
a0657846 | 947 | goto err_out; |
8e218fb2 NK |
948 | |
949 | /* Fill raw dataset | |
950 | * (all power levels are in 0.25dB units) */ | |
951 | pd->pd_step[0] = pcinfo->pcdac_x0[0]; | |
952 | pd->pd_pwr[0] = pcinfo->pwr_x0[0]; | |
953 | ||
954 | for (point = 1; point < pd->pd_points; | |
955 | point++) { | |
956 | /* Absolute values */ | |
957 | pd->pd_pwr[point] = | |
958 | pcinfo->pwr_x0[point]; | |
959 | ||
960 | /* Deltas */ | |
961 | pd->pd_step[point] = | |
962 | pd->pd_step[point - 1] + | |
963 | pcinfo->pcdac_x0[point]; | |
964 | } | |
965 | ||
966 | /* Set min power for this frequency */ | |
967 | chinfo[pier].min_pwr = pd->pd_pwr[0]; | |
968 | ||
969 | /* Highest gain curve (min power) */ | |
970 | } else if (pdg == 1) { | |
971 | ||
972 | pd->pd_points = AR5K_EEPROM_N_XPD3_POINTS; | |
973 | ||
974 | /* Allocate pd points for this curve */ | |
975 | pd->pd_step = kcalloc(pd->pd_points, | |
976 | sizeof(u8), GFP_KERNEL); | |
977 | ||
978 | if (!pd->pd_step) | |
a0657846 | 979 | goto err_out; |
8e218fb2 NK |
980 | |
981 | pd->pd_pwr = kcalloc(pd->pd_points, | |
982 | sizeof(s16), GFP_KERNEL); | |
983 | ||
984 | if (!pd->pd_pwr) | |
a0657846 | 985 | goto err_out; |
8e218fb2 NK |
986 | |
987 | /* Fill raw dataset | |
988 | * (all power levels are in 0.25dB units) */ | |
989 | for (point = 0; point < pd->pd_points; | |
990 | point++) { | |
991 | /* Absolute values */ | |
992 | pd->pd_pwr[point] = | |
993 | pcinfo->pwr_x3[point]; | |
994 | ||
995 | /* Fixed points */ | |
996 | pd->pd_step[point] = | |
997 | pcinfo->pcdac_x3[point]; | |
998 | } | |
999 | ||
1000 | /* Since we have a higher gain curve | |
1001 | * override min power */ | |
1002 | chinfo[pier].min_pwr = pd->pd_pwr[0]; | |
1003 | } | |
1004 | } | |
1005 | } | |
1006 | ||
1007 | return 0; | |
a0657846 JL |
1008 | |
1009 | err_out: | |
1010 | ath5k_eeprom_free_pcal_info(ah, mode); | |
1011 | return -ENOMEM; | |
8e218fb2 NK |
1012 | } |
1013 | ||
1014 | /* Parse EEPROM data */ | |
1048643e FF |
1015 | static int |
1016 | ath5k_eeprom_read_pcal_info_5112(struct ath5k_hw *ah, int mode) | |
1017 | { | |
1018 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
1019 | struct ath5k_chan_pcal_info_rf5112 *chan_pcal_info; | |
1020 | struct ath5k_chan_pcal_info *gen_chan_info; | |
8e218fb2 | 1021 | u8 *pdgain_idx = ee->ee_pdc_to_idx[mode]; |
1048643e | 1022 | u32 offset; |
8e218fb2 | 1023 | u8 i, c; |
1048643e | 1024 | u16 val; |
8e218fb2 NK |
1025 | u8 pd_gains = 0; |
1026 | ||
1027 | /* Count how many curves we have and | |
1028 | * identify them (which one of the 4 | |
1029 | * available curves we have on each count). | |
1030 | * Curves are stored from lower (x0) to | |
1031 | * higher (x3) gain */ | |
1032 | for (i = 0; i < AR5K_EEPROM_N_PD_CURVES; i++) { | |
1033 | /* ee_x_gain[mode] is x gain mask */ | |
1034 | if ((ee->ee_x_gain[mode] >> i) & 0x1) | |
1035 | pdgain_idx[pd_gains++] = i; | |
1036 | } | |
1037 | ee->ee_pd_gains[mode] = pd_gains; | |
1038 | ||
1039 | if (pd_gains == 0 || pd_gains > 2) | |
1040 | return -EINVAL; | |
c6e387a2 | 1041 | |
1048643e FF |
1042 | switch (mode) { |
1043 | case AR5K_EEPROM_MODE_11A: | |
1044 | /* | |
1045 | * Read 5GHz EEPROM channels | |
1046 | */ | |
1047 | offset = AR5K_EEPROM_GROUPS_START(ee->ee_version); | |
1048 | ath5k_eeprom_init_11a_pcal_freq(ah, offset); | |
1049 | ||
1050 | offset += AR5K_EEPROM_GROUP2_OFFSET; | |
1051 | gen_chan_info = ee->ee_pwr_cal_a; | |
1052 | break; | |
1053 | case AR5K_EEPROM_MODE_11B: | |
1054 | offset = AR5K_EEPROM_GROUPS_START(ee->ee_version); | |
1055 | if (AR5K_EEPROM_HDR_11A(ee->ee_header)) | |
1056 | offset += AR5K_EEPROM_GROUP3_OFFSET; | |
1057 | ||
1058 | /* NB: frequency piers parsed during mode init */ | |
1059 | gen_chan_info = ee->ee_pwr_cal_b; | |
1060 | break; | |
1061 | case AR5K_EEPROM_MODE_11G: | |
1062 | offset = AR5K_EEPROM_GROUPS_START(ee->ee_version); | |
1063 | if (AR5K_EEPROM_HDR_11A(ee->ee_header)) | |
1064 | offset += AR5K_EEPROM_GROUP4_OFFSET; | |
1065 | else if (AR5K_EEPROM_HDR_11B(ee->ee_header)) | |
1066 | offset += AR5K_EEPROM_GROUP2_OFFSET; | |
1067 | ||
1068 | /* NB: frequency piers parsed during mode init */ | |
1069 | gen_chan_info = ee->ee_pwr_cal_g; | |
1070 | break; | |
1071 | default: | |
1072 | return -EINVAL; | |
1073 | } | |
c6e387a2 | 1074 | |
1048643e FF |
1075 | for (i = 0; i < ee->ee_n_piers[mode]; i++) { |
1076 | chan_pcal_info = &gen_chan_info[i].rf5112_info; | |
c6e387a2 | 1077 | |
8e218fb2 | 1078 | /* Power values in quarter dB |
1048643e FF |
1079 | * for the lower xpd gain curve |
1080 | * (0 dBm -> higher output power) */ | |
1081 | for (c = 0; c < AR5K_EEPROM_N_XPD0_POINTS; c++) { | |
1082 | AR5K_EEPROM_READ(offset++, val); | |
8e218fb2 NK |
1083 | chan_pcal_info->pwr_x0[c] = (s8) (val & 0xff); |
1084 | chan_pcal_info->pwr_x0[++c] = (s8) ((val >> 8) & 0xff); | |
1048643e | 1085 | } |
c6e387a2 | 1086 | |
1048643e FF |
1087 | /* PCDAC steps |
1088 | * corresponding to the above power | |
1089 | * measurements */ | |
c6e387a2 | 1090 | AR5K_EEPROM_READ(offset++, val); |
1048643e FF |
1091 | chan_pcal_info->pcdac_x0[1] = (val & 0x1f); |
1092 | chan_pcal_info->pcdac_x0[2] = ((val >> 5) & 0x1f); | |
1093 | chan_pcal_info->pcdac_x0[3] = ((val >> 10) & 0x1f); | |
c6e387a2 | 1094 | |
8e218fb2 | 1095 | /* Power values in quarter dB |
1048643e FF |
1096 | * for the higher xpd gain curve |
1097 | * (18 dBm -> lower output power) */ | |
c6e387a2 | 1098 | AR5K_EEPROM_READ(offset++, val); |
8e218fb2 NK |
1099 | chan_pcal_info->pwr_x3[0] = (s8) (val & 0xff); |
1100 | chan_pcal_info->pwr_x3[1] = (s8) ((val >> 8) & 0xff); | |
c6e387a2 NK |
1101 | |
1102 | AR5K_EEPROM_READ(offset++, val); | |
1048643e FF |
1103 | chan_pcal_info->pwr_x3[2] = (val & 0xff); |
1104 | ||
1105 | /* PCDAC steps | |
1106 | * corresponding to the above power | |
0ea9c00c | 1107 | * measurements (fixed) */ |
1048643e FF |
1108 | chan_pcal_info->pcdac_x3[0] = 20; |
1109 | chan_pcal_info->pcdac_x3[1] = 35; | |
1110 | chan_pcal_info->pcdac_x3[2] = 63; | |
1111 | ||
1112 | if (ee->ee_version >= AR5K_EEPROM_VERSION_4_3) { | |
8e218fb2 | 1113 | chan_pcal_info->pcdac_x0[0] = ((val >> 8) & 0x3f); |
1048643e FF |
1114 | |
1115 | /* Last xpd0 power level is also channel maximum */ | |
1116 | gen_chan_info[i].max_pwr = chan_pcal_info->pwr_x0[3]; | |
1117 | } else { | |
1118 | chan_pcal_info->pcdac_x0[0] = 1; | |
8e218fb2 | 1119 | gen_chan_info[i].max_pwr = (s8) ((val >> 8) & 0xff); |
1048643e | 1120 | } |
c6e387a2 | 1121 | |
1048643e FF |
1122 | } |
1123 | ||
8e218fb2 | 1124 | return ath5k_eeprom_convert_pcal_info_5112(ah, mode, gen_chan_info); |
1048643e FF |
1125 | } |
1126 | ||
8e218fb2 NK |
1127 | |
1128 | /* | |
1129 | * Read power calibration for RF2413 chips | |
1130 | * | |
1131 | * For RF2413 we have a Power to PDDAC table (Power Detector) | |
1132 | * instead of a PCDAC and 4 pd gain curves for each calibrated channel. | |
1133 | * Each curve has power on x axis in 0.5 db steps and PDDADC steps on y | |
1134 | * axis and looks like an exponential function like the RF5111 curve. | |
1135 | * | |
1136 | * To recreate the curves we read here the points and interpolate | |
1137 | * later. Note that in most cases only 2 (higher and lower) curves are | |
25985edc | 1138 | * used (like RF5112) but vendors have the opportunity to include all |
8e218fb2 NK |
1139 | * 4 curves on eeprom. The final curve (higher power) has an extra |
1140 | * point for better accuracy like RF5112. | |
1141 | */ | |
1142 | ||
0ea9c00c | 1143 | /* For RF2413 power calibration data doesn't start on a fixed location and |
a180a130 | 1144 | * if a mode is not supported, its section is missing -not zeroed-. |
0ea9c00c NK |
1145 | * So we need to calculate the starting offset for each section by using |
1146 | * these two functions */ | |
1147 | ||
1148 | /* Return the size of each section based on the mode and the number of pd | |
1149 | * gains available (maximum 4). */ | |
1048643e FF |
1150 | static inline unsigned int |
1151 | ath5k_pdgains_size_2413(struct ath5k_eeprom_info *ee, unsigned int mode) | |
1152 | { | |
1153 | static const unsigned int pdgains_size[] = { 4, 6, 9, 12 }; | |
1154 | unsigned int sz; | |
1155 | ||
1156 | sz = pdgains_size[ee->ee_pd_gains[mode] - 1]; | |
1157 | sz *= ee->ee_n_piers[mode]; | |
1158 | ||
1159 | return sz; | |
1160 | } | |
1161 | ||
0ea9c00c NK |
1162 | /* Return the starting offset for a section based on the modes supported |
1163 | * and each section's size. */ | |
1048643e FF |
1164 | static unsigned int |
1165 | ath5k_cal_data_offset_2413(struct ath5k_eeprom_info *ee, int mode) | |
1166 | { | |
1167 | u32 offset = AR5K_EEPROM_CAL_DATA_START(ee->ee_misc4); | |
1168 | ||
e4bbf2f5 | 1169 | switch (mode) { |
1048643e FF |
1170 | case AR5K_EEPROM_MODE_11G: |
1171 | if (AR5K_EEPROM_HDR_11B(ee->ee_header)) | |
8e218fb2 NK |
1172 | offset += ath5k_pdgains_size_2413(ee, |
1173 | AR5K_EEPROM_MODE_11B) + | |
1174 | AR5K_EEPROM_N_2GHZ_CHAN_2413 / 2; | |
1048643e FF |
1175 | /* fall through */ |
1176 | case AR5K_EEPROM_MODE_11B: | |
1177 | if (AR5K_EEPROM_HDR_11A(ee->ee_header)) | |
8e218fb2 NK |
1178 | offset += ath5k_pdgains_size_2413(ee, |
1179 | AR5K_EEPROM_MODE_11A) + | |
1180 | AR5K_EEPROM_N_5GHZ_CHAN / 2; | |
1048643e FF |
1181 | /* fall through */ |
1182 | case AR5K_EEPROM_MODE_11A: | |
1183 | break; | |
1184 | default: | |
1185 | break; | |
1186 | } | |
1187 | ||
1188 | return offset; | |
1189 | } | |
1190 | ||
8e218fb2 NK |
1191 | /* Convert RF2413 specific data to generic raw data |
1192 | * used by interpolation code */ | |
1193 | static int | |
1194 | ath5k_eeprom_convert_pcal_info_2413(struct ath5k_hw *ah, int mode, | |
1195 | struct ath5k_chan_pcal_info *chinfo) | |
1196 | { | |
1197 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
1198 | struct ath5k_chan_pcal_info_rf2413 *pcinfo; | |
1199 | u8 *pdgain_idx = ee->ee_pdc_to_idx[mode]; | |
1200 | unsigned int pier, pdg, point; | |
1201 | ||
1202 | /* Fill raw data for each calibration pier */ | |
1203 | for (pier = 0; pier < ee->ee_n_piers[mode]; pier++) { | |
1204 | ||
1205 | pcinfo = &chinfo[pier].rf2413_info; | |
1206 | ||
1207 | /* Allocate pd_curves for this cal pier */ | |
1208 | chinfo[pier].pd_curves = | |
1209 | kcalloc(AR5K_EEPROM_N_PD_CURVES, | |
1210 | sizeof(struct ath5k_pdgain_info), | |
1211 | GFP_KERNEL); | |
1212 | ||
1213 | if (!chinfo[pier].pd_curves) | |
a0657846 | 1214 | goto err_out; |
8e218fb2 NK |
1215 | |
1216 | /* Fill pd_curves */ | |
1217 | for (pdg = 0; pdg < ee->ee_pd_gains[mode]; pdg++) { | |
1218 | ||
1219 | u8 idx = pdgain_idx[pdg]; | |
1220 | struct ath5k_pdgain_info *pd = | |
1221 | &chinfo[pier].pd_curves[idx]; | |
1222 | ||
1223 | /* One more point for the highest power | |
1224 | * curve (lowest gain) */ | |
1225 | if (pdg == ee->ee_pd_gains[mode] - 1) | |
1226 | pd->pd_points = AR5K_EEPROM_N_PD_POINTS; | |
1227 | else | |
1228 | pd->pd_points = AR5K_EEPROM_N_PD_POINTS - 1; | |
1229 | ||
1230 | /* Allocate pd points for this curve */ | |
1231 | pd->pd_step = kcalloc(pd->pd_points, | |
1232 | sizeof(u8), GFP_KERNEL); | |
1233 | ||
1234 | if (!pd->pd_step) | |
a0657846 | 1235 | goto err_out; |
8e218fb2 NK |
1236 | |
1237 | pd->pd_pwr = kcalloc(pd->pd_points, | |
1238 | sizeof(s16), GFP_KERNEL); | |
1239 | ||
1240 | if (!pd->pd_pwr) | |
a0657846 | 1241 | goto err_out; |
8e218fb2 NK |
1242 | |
1243 | /* Fill raw dataset | |
1244 | * convert all pwr levels to | |
6a2a0e73 | 1245 | * quarter dB for RF5112 compatibility */ |
8e218fb2 NK |
1246 | pd->pd_step[0] = pcinfo->pddac_i[pdg]; |
1247 | pd->pd_pwr[0] = 4 * pcinfo->pwr_i[pdg]; | |
1248 | ||
1249 | for (point = 1; point < pd->pd_points; point++) { | |
1250 | ||
1251 | pd->pd_pwr[point] = pd->pd_pwr[point - 1] + | |
1252 | 2 * pcinfo->pwr[pdg][point - 1]; | |
1253 | ||
1254 | pd->pd_step[point] = pd->pd_step[point - 1] + | |
1255 | pcinfo->pddac[pdg][point - 1]; | |
1256 | ||
1257 | } | |
1258 | ||
1259 | /* Highest gain curve -> min power */ | |
1260 | if (pdg == 0) | |
1261 | chinfo[pier].min_pwr = pd->pd_pwr[0]; | |
1262 | ||
1263 | /* Lowest gain curve -> max power */ | |
1264 | if (pdg == ee->ee_pd_gains[mode] - 1) | |
1265 | chinfo[pier].max_pwr = | |
1266 | pd->pd_pwr[pd->pd_points - 1]; | |
1267 | } | |
1268 | } | |
1269 | ||
1270 | return 0; | |
a0657846 JL |
1271 | |
1272 | err_out: | |
1273 | ath5k_eeprom_free_pcal_info(ah, mode); | |
1274 | return -ENOMEM; | |
8e218fb2 NK |
1275 | } |
1276 | ||
1277 | /* Parse EEPROM data */ | |
1048643e FF |
1278 | static int |
1279 | ath5k_eeprom_read_pcal_info_2413(struct ath5k_hw *ah, int mode) | |
1280 | { | |
1281 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
8e218fb2 NK |
1282 | struct ath5k_chan_pcal_info_rf2413 *pcinfo; |
1283 | struct ath5k_chan_pcal_info *chinfo; | |
1284 | u8 *pdgain_idx = ee->ee_pdc_to_idx[mode]; | |
1048643e | 1285 | u32 offset; |
fda9b7af | 1286 | int idx, i; |
1048643e FF |
1287 | u16 val; |
1288 | u8 pd_gains = 0; | |
1289 | ||
8e218fb2 NK |
1290 | /* Count how many curves we have and |
1291 | * identify them (which one of the 4 | |
1292 | * available curves we have on each count). | |
1293 | * Curves are stored from higher to | |
1294 | * lower gain so we go backwards */ | |
1295 | for (idx = AR5K_EEPROM_N_PD_CURVES - 1; idx >= 0; idx--) { | |
1296 | /* ee_x_gain[mode] is x gain mask */ | |
1297 | if ((ee->ee_x_gain[mode] >> idx) & 0x1) | |
1298 | pdgain_idx[pd_gains++] = idx; | |
1299 | ||
1300 | } | |
1048643e FF |
1301 | ee->ee_pd_gains[mode] = pd_gains; |
1302 | ||
8e218fb2 NK |
1303 | if (pd_gains == 0) |
1304 | return -EINVAL; | |
1305 | ||
1048643e FF |
1306 | offset = ath5k_cal_data_offset_2413(ee, mode); |
1307 | switch (mode) { | |
1308 | case AR5K_EEPROM_MODE_11A: | |
1309 | if (!AR5K_EEPROM_HDR_11A(ee->ee_header)) | |
1310 | return 0; | |
1311 | ||
1312 | ath5k_eeprom_init_11a_pcal_freq(ah, offset); | |
1313 | offset += AR5K_EEPROM_N_5GHZ_CHAN / 2; | |
8e218fb2 | 1314 | chinfo = ee->ee_pwr_cal_a; |
1048643e FF |
1315 | break; |
1316 | case AR5K_EEPROM_MODE_11B: | |
1317 | if (!AR5K_EEPROM_HDR_11B(ee->ee_header)) | |
1318 | return 0; | |
c6e387a2 | 1319 | |
1048643e FF |
1320 | ath5k_eeprom_init_11bg_2413(ah, mode, offset); |
1321 | offset += AR5K_EEPROM_N_2GHZ_CHAN_2413 / 2; | |
8e218fb2 | 1322 | chinfo = ee->ee_pwr_cal_b; |
1048643e FF |
1323 | break; |
1324 | case AR5K_EEPROM_MODE_11G: | |
1325 | if (!AR5K_EEPROM_HDR_11G(ee->ee_header)) | |
1326 | return 0; | |
1327 | ||
1328 | ath5k_eeprom_init_11bg_2413(ah, mode, offset); | |
1329 | offset += AR5K_EEPROM_N_2GHZ_CHAN_2413 / 2; | |
8e218fb2 | 1330 | chinfo = ee->ee_pwr_cal_g; |
1048643e FF |
1331 | break; |
1332 | default: | |
1333 | return -EINVAL; | |
1334 | } | |
1335 | ||
1048643e | 1336 | for (i = 0; i < ee->ee_n_piers[mode]; i++) { |
8e218fb2 | 1337 | pcinfo = &chinfo[i].rf2413_info; |
1048643e FF |
1338 | |
1339 | /* | |
1340 | * Read pwr_i, pddac_i and the first | |
1341 | * 2 pd points (pwr, pddac) | |
1342 | */ | |
c6e387a2 | 1343 | AR5K_EEPROM_READ(offset++, val); |
8e218fb2 NK |
1344 | pcinfo->pwr_i[0] = val & 0x1f; |
1345 | pcinfo->pddac_i[0] = (val >> 5) & 0x7f; | |
1346 | pcinfo->pwr[0][0] = (val >> 12) & 0xf; | |
c6e387a2 | 1347 | |
1048643e | 1348 | AR5K_EEPROM_READ(offset++, val); |
8e218fb2 NK |
1349 | pcinfo->pddac[0][0] = val & 0x3f; |
1350 | pcinfo->pwr[0][1] = (val >> 6) & 0xf; | |
1351 | pcinfo->pddac[0][1] = (val >> 10) & 0x3f; | |
1048643e FF |
1352 | |
1353 | AR5K_EEPROM_READ(offset++, val); | |
8e218fb2 NK |
1354 | pcinfo->pwr[0][2] = val & 0xf; |
1355 | pcinfo->pddac[0][2] = (val >> 4) & 0x3f; | |
1048643e | 1356 | |
8e218fb2 NK |
1357 | pcinfo->pwr[0][3] = 0; |
1358 | pcinfo->pddac[0][3] = 0; | |
1048643e FF |
1359 | |
1360 | if (pd_gains > 1) { | |
1361 | /* | |
1362 | * Pd gain 0 is not the last pd gain | |
1363 | * so it only has 2 pd points. | |
25985edc | 1364 | * Continue with pd gain 1. |
1048643e | 1365 | */ |
8e218fb2 | 1366 | pcinfo->pwr_i[1] = (val >> 10) & 0x1f; |
1048643e | 1367 | |
8e218fb2 | 1368 | pcinfo->pddac_i[1] = (val >> 15) & 0x1; |
c6e387a2 | 1369 | AR5K_EEPROM_READ(offset++, val); |
8e218fb2 | 1370 | pcinfo->pddac_i[1] |= (val & 0x3F) << 1; |
1048643e | 1371 | |
8e218fb2 NK |
1372 | pcinfo->pwr[1][0] = (val >> 6) & 0xf; |
1373 | pcinfo->pddac[1][0] = (val >> 10) & 0x3f; | |
1048643e FF |
1374 | |
1375 | AR5K_EEPROM_READ(offset++, val); | |
8e218fb2 NK |
1376 | pcinfo->pwr[1][1] = val & 0xf; |
1377 | pcinfo->pddac[1][1] = (val >> 4) & 0x3f; | |
1378 | pcinfo->pwr[1][2] = (val >> 10) & 0xf; | |
1379 | ||
1380 | pcinfo->pddac[1][2] = (val >> 14) & 0x3; | |
1048643e | 1381 | AR5K_EEPROM_READ(offset++, val); |
8e218fb2 | 1382 | pcinfo->pddac[1][2] |= (val & 0xF) << 2; |
1048643e | 1383 | |
8e218fb2 NK |
1384 | pcinfo->pwr[1][3] = 0; |
1385 | pcinfo->pddac[1][3] = 0; | |
1048643e FF |
1386 | } else if (pd_gains == 1) { |
1387 | /* | |
1388 | * Pd gain 0 is the last one so | |
1389 | * read the extra point. | |
1390 | */ | |
8e218fb2 | 1391 | pcinfo->pwr[0][3] = (val >> 10) & 0xf; |
1048643e | 1392 | |
8e218fb2 | 1393 | pcinfo->pddac[0][3] = (val >> 14) & 0x3; |
1048643e | 1394 | AR5K_EEPROM_READ(offset++, val); |
8e218fb2 | 1395 | pcinfo->pddac[0][3] |= (val & 0xF) << 2; |
1048643e FF |
1396 | } |
1397 | ||
1398 | /* | |
1399 | * Proceed with the other pd_gains | |
1400 | * as above. | |
1401 | */ | |
1402 | if (pd_gains > 2) { | |
8e218fb2 NK |
1403 | pcinfo->pwr_i[2] = (val >> 4) & 0x1f; |
1404 | pcinfo->pddac_i[2] = (val >> 9) & 0x7f; | |
1048643e FF |
1405 | |
1406 | AR5K_EEPROM_READ(offset++, val); | |
8e218fb2 NK |
1407 | pcinfo->pwr[2][0] = (val >> 0) & 0xf; |
1408 | pcinfo->pddac[2][0] = (val >> 4) & 0x3f; | |
1409 | pcinfo->pwr[2][1] = (val >> 10) & 0xf; | |
1410 | ||
1411 | pcinfo->pddac[2][1] = (val >> 14) & 0x3; | |
1048643e | 1412 | AR5K_EEPROM_READ(offset++, val); |
8e218fb2 | 1413 | pcinfo->pddac[2][1] |= (val & 0xF) << 2; |
1048643e | 1414 | |
8e218fb2 NK |
1415 | pcinfo->pwr[2][2] = (val >> 4) & 0xf; |
1416 | pcinfo->pddac[2][2] = (val >> 8) & 0x3f; | |
1048643e | 1417 | |
8e218fb2 NK |
1418 | pcinfo->pwr[2][3] = 0; |
1419 | pcinfo->pddac[2][3] = 0; | |
1048643e | 1420 | } else if (pd_gains == 2) { |
8e218fb2 NK |
1421 | pcinfo->pwr[1][3] = (val >> 4) & 0xf; |
1422 | pcinfo->pddac[1][3] = (val >> 8) & 0x3f; | |
1048643e FF |
1423 | } |
1424 | ||
1425 | if (pd_gains > 3) { | |
8e218fb2 | 1426 | pcinfo->pwr_i[3] = (val >> 14) & 0x3; |
1048643e | 1427 | AR5K_EEPROM_READ(offset++, val); |
8e218fb2 | 1428 | pcinfo->pwr_i[3] |= ((val >> 0) & 0x7) << 2; |
1048643e | 1429 | |
8e218fb2 NK |
1430 | pcinfo->pddac_i[3] = (val >> 3) & 0x7f; |
1431 | pcinfo->pwr[3][0] = (val >> 10) & 0xf; | |
1432 | pcinfo->pddac[3][0] = (val >> 14) & 0x3; | |
1048643e FF |
1433 | |
1434 | AR5K_EEPROM_READ(offset++, val); | |
8e218fb2 NK |
1435 | pcinfo->pddac[3][0] |= (val & 0xF) << 2; |
1436 | pcinfo->pwr[3][1] = (val >> 4) & 0xf; | |
1437 | pcinfo->pddac[3][1] = (val >> 8) & 0x3f; | |
1438 | ||
1439 | pcinfo->pwr[3][2] = (val >> 14) & 0x3; | |
1048643e | 1440 | AR5K_EEPROM_READ(offset++, val); |
8e218fb2 | 1441 | pcinfo->pwr[3][2] |= ((val >> 0) & 0x3) << 2; |
1048643e | 1442 | |
8e218fb2 NK |
1443 | pcinfo->pddac[3][2] = (val >> 2) & 0x3f; |
1444 | pcinfo->pwr[3][3] = (val >> 8) & 0xf; | |
1048643e | 1445 | |
8e218fb2 | 1446 | pcinfo->pddac[3][3] = (val >> 12) & 0xF; |
1048643e | 1447 | AR5K_EEPROM_READ(offset++, val); |
8e218fb2 | 1448 | pcinfo->pddac[3][3] |= ((val >> 0) & 0x3) << 4; |
1048643e | 1449 | } else if (pd_gains == 3) { |
8e218fb2 | 1450 | pcinfo->pwr[2][3] = (val >> 14) & 0x3; |
1048643e | 1451 | AR5K_EEPROM_READ(offset++, val); |
8e218fb2 | 1452 | pcinfo->pwr[2][3] |= ((val >> 0) & 0x3) << 2; |
1048643e | 1453 | |
8e218fb2 | 1454 | pcinfo->pddac[2][3] = (val >> 2) & 0x3f; |
c6e387a2 NK |
1455 | } |
1456 | } | |
1457 | ||
8e218fb2 | 1458 | return ath5k_eeprom_convert_pcal_info_2413(ah, mode, chinfo); |
1048643e FF |
1459 | } |
1460 | ||
8e218fb2 | 1461 | |
1048643e FF |
1462 | /* |
1463 | * Read per rate target power (this is the maximum tx power | |
1464 | * supported by the card). This info is used when setting | |
1465 | * tx power, no matter the channel. | |
1466 | * | |
1467 | * This also works for v5 EEPROMs. | |
1468 | */ | |
8e218fb2 NK |
1469 | static int |
1470 | ath5k_eeprom_read_target_rate_pwr_info(struct ath5k_hw *ah, unsigned int mode) | |
1048643e FF |
1471 | { |
1472 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
1473 | struct ath5k_rate_pcal_info *rate_pcal_info; | |
8e218fb2 | 1474 | u8 *rate_target_pwr_num; |
1048643e FF |
1475 | u32 offset; |
1476 | u16 val; | |
fda9b7af | 1477 | int i; |
1048643e FF |
1478 | |
1479 | offset = AR5K_EEPROM_TARGET_PWRSTART(ee->ee_misc1); | |
1480 | rate_target_pwr_num = &ee->ee_rate_target_pwr_num[mode]; | |
1481 | switch (mode) { | |
1482 | case AR5K_EEPROM_MODE_11A: | |
1483 | offset += AR5K_EEPROM_TARGET_PWR_OFF_11A(ee->ee_version); | |
1484 | rate_pcal_info = ee->ee_rate_tpwr_a; | |
3a245cbe | 1485 | ee->ee_rate_target_pwr_num[mode] = AR5K_EEPROM_N_5GHZ_RATE_CHAN; |
1048643e FF |
1486 | break; |
1487 | case AR5K_EEPROM_MODE_11B: | |
1488 | offset += AR5K_EEPROM_TARGET_PWR_OFF_11B(ee->ee_version); | |
1489 | rate_pcal_info = ee->ee_rate_tpwr_b; | |
1490 | ee->ee_rate_target_pwr_num[mode] = 2; /* 3rd is g mode's 1st */ | |
1491 | break; | |
1492 | case AR5K_EEPROM_MODE_11G: | |
1493 | offset += AR5K_EEPROM_TARGET_PWR_OFF_11G(ee->ee_version); | |
1494 | rate_pcal_info = ee->ee_rate_tpwr_g; | |
1495 | ee->ee_rate_target_pwr_num[mode] = AR5K_EEPROM_N_2GHZ_CHAN; | |
1496 | break; | |
1497 | default: | |
1498 | return -EINVAL; | |
1499 | } | |
1500 | ||
1501 | /* Different freq mask for older eeproms (<= v3.2) */ | |
1502 | if (ee->ee_version <= AR5K_EEPROM_VERSION_3_2) { | |
1503 | for (i = 0; i < (*rate_target_pwr_num); i++) { | |
1504 | AR5K_EEPROM_READ(offset++, val); | |
1505 | rate_pcal_info[i].freq = | |
1506 | ath5k_eeprom_bin2freq(ee, (val >> 9) & 0x7f, mode); | |
1507 | ||
1508 | rate_pcal_info[i].target_power_6to24 = ((val >> 3) & 0x3f); | |
1509 | rate_pcal_info[i].target_power_36 = (val << 3) & 0x3f; | |
1510 | ||
1511 | AR5K_EEPROM_READ(offset++, val); | |
1512 | ||
1513 | if (rate_pcal_info[i].freq == AR5K_EEPROM_CHANNEL_DIS || | |
1514 | val == 0) { | |
1515 | (*rate_target_pwr_num) = i; | |
1516 | break; | |
1517 | } | |
1518 | ||
1519 | rate_pcal_info[i].target_power_36 |= ((val >> 13) & 0x7); | |
1520 | rate_pcal_info[i].target_power_48 = ((val >> 7) & 0x3f); | |
1521 | rate_pcal_info[i].target_power_54 = ((val >> 1) & 0x3f); | |
1522 | } | |
1523 | } else { | |
1524 | for (i = 0; i < (*rate_target_pwr_num); i++) { | |
1525 | AR5K_EEPROM_READ(offset++, val); | |
1526 | rate_pcal_info[i].freq = | |
1527 | ath5k_eeprom_bin2freq(ee, (val >> 8) & 0xff, mode); | |
1528 | ||
1529 | rate_pcal_info[i].target_power_6to24 = ((val >> 2) & 0x3f); | |
1530 | rate_pcal_info[i].target_power_36 = (val << 4) & 0x3f; | |
1531 | ||
1532 | AR5K_EEPROM_READ(offset++, val); | |
1533 | ||
1534 | if (rate_pcal_info[i].freq == AR5K_EEPROM_CHANNEL_DIS || | |
1535 | val == 0) { | |
1536 | (*rate_target_pwr_num) = i; | |
1537 | break; | |
1538 | } | |
1539 | ||
1540 | rate_pcal_info[i].target_power_36 |= (val >> 12) & 0xf; | |
1541 | rate_pcal_info[i].target_power_48 = ((val >> 6) & 0x3f); | |
1542 | rate_pcal_info[i].target_power_54 = (val & 0x3f); | |
1543 | } | |
1544 | } | |
1545 | ||
1546 | return 0; | |
1547 | } | |
1548 | ||
9320b5c4 | 1549 | |
0ea9c00c NK |
1550 | /* |
1551 | * Read per channel calibration info from EEPROM | |
1552 | * | |
1553 | * This info is used to calibrate the baseband power table. Imagine | |
1554 | * that for each channel there is a power curve that's hw specific | |
1555 | * (depends on amplifier etc) and we try to "correct" this curve using | |
bf48aabb | 1556 | * offsets we pass on to phy chip (baseband -> before amplifier) so that |
0ea9c00c NK |
1557 | * it can use accurate power values when setting tx power (takes amplifier's |
1558 | * performance on each channel into account). | |
1559 | * | |
1560 | * EEPROM provides us with the offsets for some pre-calibrated channels | |
1561 | * and we have to interpolate to create the full table for these channels and | |
1562 | * also the table for any channel. | |
1563 | */ | |
1048643e FF |
1564 | static int |
1565 | ath5k_eeprom_read_pcal_info(struct ath5k_hw *ah) | |
1566 | { | |
1567 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
1568 | int (*read_pcal)(struct ath5k_hw *hw, int mode); | |
1569 | int mode; | |
1570 | int err; | |
1571 | ||
1572 | if ((ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_0) && | |
1573 | (AR5K_EEPROM_EEMAP(ee->ee_misc0) == 1)) | |
1574 | read_pcal = ath5k_eeprom_read_pcal_info_5112; | |
1575 | else if ((ah->ah_ee_version >= AR5K_EEPROM_VERSION_5_0) && | |
1576 | (AR5K_EEPROM_EEMAP(ee->ee_misc0) == 2)) | |
1577 | read_pcal = ath5k_eeprom_read_pcal_info_2413; | |
1578 | else | |
1579 | read_pcal = ath5k_eeprom_read_pcal_info_5111; | |
1580 | ||
8e218fb2 NK |
1581 | |
1582 | for (mode = AR5K_EEPROM_MODE_11A; mode <= AR5K_EEPROM_MODE_11G; | |
1583 | mode++) { | |
1048643e FF |
1584 | err = read_pcal(ah, mode); |
1585 | if (err) | |
1586 | return err; | |
1587 | ||
1588 | err = ath5k_eeprom_read_target_rate_pwr_info(ah, mode); | |
1589 | if (err < 0) | |
1590 | return err; | |
1591 | } | |
1592 | ||
1593 | return 0; | |
1594 | } | |
1595 | ||
0ea9c00c | 1596 | /* Read conformance test limits used for regulatory control */ |
1048643e FF |
1597 | static int |
1598 | ath5k_eeprom_read_ctl_info(struct ath5k_hw *ah) | |
1599 | { | |
1600 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
1601 | struct ath5k_edge_power *rep; | |
1602 | unsigned int fmask, pmask; | |
1603 | unsigned int ctl_mode; | |
fda9b7af | 1604 | int i, j; |
1048643e FF |
1605 | u32 offset; |
1606 | u16 val; | |
1607 | ||
1608 | pmask = AR5K_EEPROM_POWER_M; | |
1609 | fmask = AR5K_EEPROM_FREQ_M(ee->ee_version); | |
1610 | offset = AR5K_EEPROM_CTL(ee->ee_version); | |
1611 | ee->ee_ctls = AR5K_EEPROM_N_CTLS(ee->ee_version); | |
1612 | for (i = 0; i < ee->ee_ctls; i += 2) { | |
1613 | AR5K_EEPROM_READ(offset++, val); | |
1614 | ee->ee_ctl[i] = (val >> 8) & 0xff; | |
1615 | ee->ee_ctl[i + 1] = val & 0xff; | |
1616 | } | |
1617 | ||
1618 | offset = AR5K_EEPROM_GROUP8_OFFSET; | |
1619 | if (ee->ee_version >= AR5K_EEPROM_VERSION_4_0) | |
1620 | offset += AR5K_EEPROM_TARGET_PWRSTART(ee->ee_misc1) - | |
1621 | AR5K_EEPROM_GROUP5_OFFSET; | |
1622 | else | |
1623 | offset += AR5K_EEPROM_GROUPS_START(ee->ee_version); | |
1624 | ||
1625 | rep = ee->ee_ctl_pwr; | |
e4bbf2f5 PR |
1626 | for (i = 0; i < ee->ee_ctls; i++) { |
1627 | switch (ee->ee_ctl[i] & AR5K_CTL_MODE_M) { | |
1048643e FF |
1628 | case AR5K_CTL_11A: |
1629 | case AR5K_CTL_TURBO: | |
1630 | ctl_mode = AR5K_EEPROM_MODE_11A; | |
1631 | break; | |
1632 | default: | |
1633 | ctl_mode = AR5K_EEPROM_MODE_11G; | |
1634 | break; | |
1635 | } | |
1636 | if (ee->ee_ctl[i] == 0) { | |
1637 | if (ee->ee_version >= AR5K_EEPROM_VERSION_3_3) | |
1638 | offset += 8; | |
1639 | else | |
1640 | offset += 7; | |
1641 | rep += AR5K_EEPROM_N_EDGES; | |
1642 | continue; | |
1643 | } | |
1644 | if (ee->ee_version >= AR5K_EEPROM_VERSION_3_3) { | |
1645 | for (j = 0; j < AR5K_EEPROM_N_EDGES; j += 2) { | |
1646 | AR5K_EEPROM_READ(offset++, val); | |
1647 | rep[j].freq = (val >> 8) & fmask; | |
1648 | rep[j + 1].freq = val & fmask; | |
1649 | } | |
1650 | for (j = 0; j < AR5K_EEPROM_N_EDGES; j += 2) { | |
1651 | AR5K_EEPROM_READ(offset++, val); | |
1652 | rep[j].edge = (val >> 8) & pmask; | |
1653 | rep[j].flag = (val >> 14) & 1; | |
1654 | rep[j + 1].edge = val & pmask; | |
1655 | rep[j + 1].flag = (val >> 6) & 1; | |
1656 | } | |
1657 | } else { | |
1658 | AR5K_EEPROM_READ(offset++, val); | |
1659 | rep[0].freq = (val >> 9) & fmask; | |
1660 | rep[1].freq = (val >> 2) & fmask; | |
1661 | rep[2].freq = (val << 5) & fmask; | |
1662 | ||
1663 | AR5K_EEPROM_READ(offset++, val); | |
1664 | rep[2].freq |= (val >> 11) & 0x1f; | |
1665 | rep[3].freq = (val >> 4) & fmask; | |
1666 | rep[4].freq = (val << 3) & fmask; | |
1667 | ||
1668 | AR5K_EEPROM_READ(offset++, val); | |
1669 | rep[4].freq |= (val >> 13) & 0x7; | |
1670 | rep[5].freq = (val >> 6) & fmask; | |
1671 | rep[6].freq = (val << 1) & fmask; | |
1672 | ||
1673 | AR5K_EEPROM_READ(offset++, val); | |
1674 | rep[6].freq |= (val >> 15) & 0x1; | |
1675 | rep[7].freq = (val >> 8) & fmask; | |
1676 | ||
1677 | rep[0].edge = (val >> 2) & pmask; | |
1678 | rep[1].edge = (val << 4) & pmask; | |
1679 | ||
1680 | AR5K_EEPROM_READ(offset++, val); | |
1681 | rep[1].edge |= (val >> 12) & 0xf; | |
1682 | rep[2].edge = (val >> 6) & pmask; | |
1683 | rep[3].edge = val & pmask; | |
1684 | ||
1685 | AR5K_EEPROM_READ(offset++, val); | |
1686 | rep[4].edge = (val >> 10) & pmask; | |
1687 | rep[5].edge = (val >> 4) & pmask; | |
1688 | rep[6].edge = (val << 2) & pmask; | |
1689 | ||
1690 | AR5K_EEPROM_READ(offset++, val); | |
1691 | rep[6].edge |= (val >> 14) & 0x3; | |
1692 | rep[7].edge = (val >> 8) & pmask; | |
1693 | } | |
1694 | for (j = 0; j < AR5K_EEPROM_N_EDGES; j++) { | |
1695 | rep[j].freq = ath5k_eeprom_bin2freq(ee, | |
1696 | rep[j].freq, ctl_mode); | |
1697 | } | |
1698 | rep += AR5K_EEPROM_N_EDGES; | |
1699 | } | |
c6e387a2 NK |
1700 | |
1701 | return 0; | |
1702 | } | |
1703 | ||
cd417519 NK |
1704 | static int |
1705 | ath5k_eeprom_read_spur_chans(struct ath5k_hw *ah) | |
1706 | { | |
1707 | struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; | |
1708 | u32 offset; | |
1709 | u16 val; | |
1710 | int ret = 0, i; | |
1711 | ||
1712 | offset = AR5K_EEPROM_CTL(ee->ee_version) + | |
1713 | AR5K_EEPROM_N_CTLS(ee->ee_version); | |
1714 | ||
1715 | if (ee->ee_version < AR5K_EEPROM_VERSION_5_3) { | |
1716 | /* No spur info for 5GHz */ | |
1717 | ee->ee_spur_chans[0][0] = AR5K_EEPROM_NO_SPUR; | |
1718 | /* 2 channels for 2GHz (2464/2420) */ | |
1719 | ee->ee_spur_chans[0][1] = AR5K_EEPROM_5413_SPUR_CHAN_1; | |
1720 | ee->ee_spur_chans[1][1] = AR5K_EEPROM_5413_SPUR_CHAN_2; | |
1721 | ee->ee_spur_chans[2][1] = AR5K_EEPROM_NO_SPUR; | |
1722 | } else if (ee->ee_version >= AR5K_EEPROM_VERSION_5_3) { | |
1723 | for (i = 0; i < AR5K_EEPROM_N_SPUR_CHANS; i++) { | |
1724 | AR5K_EEPROM_READ(offset, val); | |
1725 | ee->ee_spur_chans[i][0] = val; | |
1726 | AR5K_EEPROM_READ(offset + AR5K_EEPROM_N_SPUR_CHANS, | |
1727 | val); | |
1728 | ee->ee_spur_chans[i][1] = val; | |
1729 | offset++; | |
1730 | } | |
1731 | } | |
1732 | ||
1733 | return ret; | |
1734 | } | |
1048643e | 1735 | |
9320b5c4 NK |
1736 | |
1737 | /***********************\ | |
1738 | * Init/Detach functions * | |
1739 | \***********************/ | |
1740 | ||
1048643e | 1741 | /* |
cd417519 | 1742 | * Initialize eeprom data structure |
1048643e FF |
1743 | */ |
1744 | int | |
1745 | ath5k_eeprom_init(struct ath5k_hw *ah) | |
1746 | { | |
1747 | int err; | |
1748 | ||
1749 | err = ath5k_eeprom_init_header(ah); | |
1750 | if (err < 0) | |
1751 | return err; | |
1752 | ||
1753 | err = ath5k_eeprom_init_modes(ah); | |
1754 | if (err < 0) | |
1755 | return err; | |
1756 | ||
1757 | err = ath5k_eeprom_read_pcal_info(ah); | |
1758 | if (err < 0) | |
1759 | return err; | |
1760 | ||
1761 | err = ath5k_eeprom_read_ctl_info(ah); | |
1762 | if (err < 0) | |
1763 | return err; | |
1764 | ||
cd417519 NK |
1765 | err = ath5k_eeprom_read_spur_chans(ah); |
1766 | if (err < 0) | |
1767 | return err; | |
1768 | ||
1048643e FF |
1769 | return 0; |
1770 | } | |
e8f055f0 | 1771 | |
9320b5c4 NK |
1772 | void |
1773 | ath5k_eeprom_detach(struct ath5k_hw *ah) | |
c6e387a2 | 1774 | { |
9320b5c4 | 1775 | u8 mode; |
8d6c39ef | 1776 | |
9320b5c4 NK |
1777 | for (mode = AR5K_EEPROM_MODE_11A; mode <= AR5K_EEPROM_MODE_11G; mode++) |
1778 | ath5k_eeprom_free_pcal_info(ah, mode); | |
c6e387a2 | 1779 | } |
0207c0c5 BR |
1780 | |
1781 | int | |
1782 | ath5k_eeprom_mode_from_channel(struct ieee80211_channel *channel) | |
1783 | { | |
32c25464 PR |
1784 | switch (channel->hw_value) { |
1785 | case AR5K_MODE_11A: | |
0207c0c5 | 1786 | return AR5K_EEPROM_MODE_11A; |
32c25464 | 1787 | case AR5K_MODE_11G: |
0207c0c5 | 1788 | return AR5K_EEPROM_MODE_11G; |
32c25464 | 1789 | case AR5K_MODE_11B: |
0207c0c5 BR |
1790 | return AR5K_EEPROM_MODE_11B; |
1791 | default: | |
1792 | return -1; | |
1793 | } | |
1794 | } |