2 * Copyright (c) 2010 Broadcom Corporation
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #include <linux/kernel.h>
18 #include <linux/types.h>
19 #include <linux/module.h>
20 #include <linux/pci.h>
23 #include <brcmu_utils.h>
32 #include "phy/phy_hal.h"
33 #include "bottom_mac.h"
39 #define VALID_CHANNEL20_DB(wlc, val) wlc_valid_channel20_db((wlc)->cmi, val)
40 #define VALID_CHANNEL20_IN_BAND(wlc, bandunit, val) \
41 wlc_valid_channel20_in_band((wlc)->cmi, bandunit, val)
42 #define VALID_CHANNEL20(wlc, val) wlc_valid_channel20((wlc)->cmi, val)
44 typedef struct wlc_cm_band {
45 u8 locale_flags; /* locale_info_t flags */
46 chanvec_t valid_channels; /* List of valid channels in the country */
47 const chanvec_t *restricted_channels; /* List of restricted use channels */
48 const chanvec_t *radar_channels; /* List of radar sensitive channels */
55 char srom_ccode[WLC_CNTRY_BUF_SZ]; /* Country Code in SROM */
56 uint srom_regrev; /* Regulatory Rev for the SROM ccode */
57 const country_info_t *country; /* current country def */
58 char ccode[WLC_CNTRY_BUF_SZ]; /* current internal Country Code */
59 uint regrev; /* current Regulatory Revision */
60 char country_abbrev[WLC_CNTRY_BUF_SZ]; /* current advertised ccode */
61 wlc_cm_band_t bandstate[MAXBANDS]; /* per-band state (one per phy/radio) */
62 /* quiet channels currently for radar sensitivity or 11h support */
63 chanvec_t quiet_channels; /* channels on which we cannot transmit */
66 static int wlc_channels_init(wlc_cm_info_t *wlc_cm,
67 const country_info_t *country);
68 static void wlc_set_country_common(wlc_cm_info_t *wlc_cm,
69 const char *country_abbrev,
70 const char *ccode, uint regrev,
71 const country_info_t *country);
72 static int wlc_set_countrycode(wlc_cm_info_t *wlc_cm, const char *ccode);
73 static int wlc_set_countrycode_rev(wlc_cm_info_t *wlc_cm,
74 const char *country_abbrev,
75 const char *ccode, int regrev);
76 static int wlc_country_aggregate_map(wlc_cm_info_t *wlc_cm, const char *ccode,
77 char *mapped_ccode, uint *mapped_regrev);
78 static const country_info_t *wlc_country_lookup_direct(const char *ccode,
80 static const country_info_t *wlc_countrycode_map(wlc_cm_info_t *wlc_cm,
84 static void wlc_channels_commit(wlc_cm_info_t *wlc_cm);
85 static void wlc_quiet_channels_reset(wlc_cm_info_t *wlc_cm);
86 static bool wlc_quiet_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chspec);
87 static bool wlc_valid_channel20_db(wlc_cm_info_t *wlc_cm, uint val);
88 static bool wlc_valid_channel20_in_band(wlc_cm_info_t *wlc_cm, uint bandunit,
90 static bool wlc_valid_channel20(wlc_cm_info_t *wlc_cm, uint val);
91 static const country_info_t *wlc_country_lookup(struct wlc_info *wlc,
93 static void wlc_locale_get_channels(const locale_info_t *locale,
94 chanvec_t *valid_channels);
95 static const locale_info_t *wlc_get_locale_2g(u8 locale_idx);
96 static const locale_info_t *wlc_get_locale_5g(u8 locale_idx);
97 static bool wlc_japan(struct wlc_info *wlc);
98 static bool wlc_japan_ccode(const char *ccode);
99 static void wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm_info_t *
105 local_constraint_qdbm);
106 static void wlc_locale_add_channels(chanvec_t *target,
107 const chanvec_t *channels);
108 static const locale_mimo_info_t *wlc_get_mimo_2g(u8 locale_idx);
109 static const locale_mimo_info_t *wlc_get_mimo_5g(u8 locale_idx);
111 /* QDB() macro takes a dB value and converts to a quarter dB value */
115 #define QDB(n) ((n) * WLC_TXPWR_DB_FACTOR)
117 /* Regulatory Matrix Spreadsheet (CLM) MIMO v3.7.9 */
120 * Some common channel sets
124 static const chanvec_t chanvec_none = {
125 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
126 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
127 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
128 0x00, 0x00, 0x00, 0x00}
131 /* All 2.4 GHz HW channels */
132 const chanvec_t chanvec_all_2G = {
133 {0xfe, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
134 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
135 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
136 0x00, 0x00, 0x00, 0x00}
139 /* All 5 GHz HW channels */
140 const chanvec_t chanvec_all_5G = {
141 {0x00, 0x00, 0x00, 0x00, 0x54, 0x55, 0x11, 0x11,
142 0x01, 0x00, 0x00, 0x00, 0x10, 0x11, 0x11, 0x11,
143 0x11, 0x11, 0x20, 0x22, 0x22, 0x00, 0x00, 0x11,
144 0x11, 0x11, 0x11, 0x01}
152 #define radar_set_none chanvec_none
154 static const chanvec_t radar_set1 = { /* Channels 52 - 64, 100 - 140 */
155 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11, /* 52 - 60 */
156 0x01, 0x00, 0x00, 0x00, 0x10, 0x11, 0x11, 0x11, /* 64, 100 - 124 */
157 0x11, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 128 - 140 */
158 0x00, 0x00, 0x00, 0x00}
162 * Restricted channel sets
165 #define restricted_set_none chanvec_none
167 /* Channels 34, 38, 42, 46 */
168 static const chanvec_t restricted_set_japan_legacy = {
169 {0x00, 0x00, 0x00, 0x00, 0x44, 0x44, 0x00, 0x00,
170 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
171 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
172 0x00, 0x00, 0x00, 0x00}
175 /* Channels 12, 13 */
176 static const chanvec_t restricted_set_2g_short = {
177 {0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
178 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
179 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
180 0x00, 0x00, 0x00, 0x00}
184 static const chanvec_t restricted_chan_165 = {
185 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
186 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
187 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
188 0x00, 0x00, 0x00, 0x00}
191 /* Channels 36 - 48 & 149 - 165 */
192 static const chanvec_t restricted_low_hi = {
193 {0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x01, 0x00,
194 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
195 0x00, 0x00, 0x20, 0x22, 0x22, 0x00, 0x00, 0x00,
196 0x00, 0x00, 0x00, 0x00}
199 /* Channels 12 - 14 */
200 static const chanvec_t restricted_set_12_13_14 = {
201 {0x00, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
202 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
203 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
204 0x00, 0x00, 0x00, 0x00}
207 #define LOCALE_CHAN_01_11 (1<<0)
208 #define LOCALE_CHAN_12_13 (1<<1)
209 #define LOCALE_CHAN_14 (1<<2)
210 #define LOCALE_SET_5G_LOW_JP1 (1<<3) /* 34-48, step 2 */
211 #define LOCALE_SET_5G_LOW_JP2 (1<<4) /* 34-46, step 4 */
212 #define LOCALE_SET_5G_LOW1 (1<<5) /* 36-48, step 4 */
213 #define LOCALE_SET_5G_LOW2 (1<<6) /* 52 */
214 #define LOCALE_SET_5G_LOW3 (1<<7) /* 56-64, step 4 */
215 #define LOCALE_SET_5G_MID1 (1<<8) /* 100-116, step 4 */
216 #define LOCALE_SET_5G_MID2 (1<<9) /* 120-124, step 4 */
217 #define LOCALE_SET_5G_MID3 (1<<10) /* 128 */
218 #define LOCALE_SET_5G_HIGH1 (1<<11) /* 132-140, step 4 */
219 #define LOCALE_SET_5G_HIGH2 (1<<12) /* 149-161, step 4 */
220 #define LOCALE_SET_5G_HIGH3 (1<<13) /* 165 */
221 #define LOCALE_CHAN_52_140_ALL (1<<14)
222 #define LOCALE_SET_5G_HIGH4 (1<<15) /* 184-216 */
224 #define LOCALE_CHAN_36_64 (LOCALE_SET_5G_LOW1 | LOCALE_SET_5G_LOW2 | LOCALE_SET_5G_LOW3)
225 #define LOCALE_CHAN_52_64 (LOCALE_SET_5G_LOW2 | LOCALE_SET_5G_LOW3)
226 #define LOCALE_CHAN_100_124 (LOCALE_SET_5G_MID1 | LOCALE_SET_5G_MID2)
227 #define LOCALE_CHAN_100_140 \
228 (LOCALE_SET_5G_MID1 | LOCALE_SET_5G_MID2 | LOCALE_SET_5G_MID3 | LOCALE_SET_5G_HIGH1)
229 #define LOCALE_CHAN_149_165 (LOCALE_SET_5G_HIGH2 | LOCALE_SET_5G_HIGH3)
230 #define LOCALE_CHAN_184_216 LOCALE_SET_5G_HIGH4
232 #define LOCALE_CHAN_01_14 (LOCALE_CHAN_01_11 | LOCALE_CHAN_12_13 | LOCALE_CHAN_14)
234 #define LOCALE_RADAR_SET_NONE 0
235 #define LOCALE_RADAR_SET_1 1
237 #define LOCALE_RESTRICTED_NONE 0
238 #define LOCALE_RESTRICTED_SET_2G_SHORT 1
239 #define LOCALE_RESTRICTED_CHAN_165 2
240 #define LOCALE_CHAN_ALL_5G 3
241 #define LOCALE_RESTRICTED_JAPAN_LEGACY 4
242 #define LOCALE_RESTRICTED_11D_2G 5
243 #define LOCALE_RESTRICTED_11D_5G 6
244 #define LOCALE_RESTRICTED_LOW_HI 7
245 #define LOCALE_RESTRICTED_12_13_14 8
247 /* global memory to provide working buffer for expanded locale */
249 static const chanvec_t *g_table_radar_set[] = {
254 static const chanvec_t *g_table_restricted_chan[] = {
255 &chanvec_none, /* restricted_set_none */
256 &restricted_set_2g_short,
257 &restricted_chan_165,
259 &restricted_set_japan_legacy,
260 &chanvec_all_2G, /* restricted_set_11d_2G */
261 &chanvec_all_5G, /* restricted_set_11d_5G */
263 &restricted_set_12_13_14
266 static const chanvec_t locale_2g_01_11 = {
267 {0xfe, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
268 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
269 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
270 0x00, 0x00, 0x00, 0x00}
273 static const chanvec_t locale_2g_12_13 = {
274 {0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
275 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
276 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
277 0x00, 0x00, 0x00, 0x00}
280 static const chanvec_t locale_2g_14 = {
281 {0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
282 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
283 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
284 0x00, 0x00, 0x00, 0x00}
287 static const chanvec_t locale_5g_LOW_JP1 = {
288 {0x00, 0x00, 0x00, 0x00, 0x54, 0x55, 0x01, 0x00,
289 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
290 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
291 0x00, 0x00, 0x00, 0x00}
294 static const chanvec_t locale_5g_LOW_JP2 = {
295 {0x00, 0x00, 0x00, 0x00, 0x44, 0x44, 0x00, 0x00,
296 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
297 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
298 0x00, 0x00, 0x00, 0x00}
301 static const chanvec_t locale_5g_LOW1 = {
302 {0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x01, 0x00,
303 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
304 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
305 0x00, 0x00, 0x00, 0x00}
308 static const chanvec_t locale_5g_LOW2 = {
309 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
310 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
311 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
312 0x00, 0x00, 0x00, 0x00}
315 static const chanvec_t locale_5g_LOW3 = {
316 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11,
317 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
318 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
319 0x00, 0x00, 0x00, 0x00}
322 static const chanvec_t locale_5g_MID1 = {
323 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
324 0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x11, 0x00,
325 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
326 0x00, 0x00, 0x00, 0x00}
329 static const chanvec_t locale_5g_MID2 = {
330 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
331 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11,
332 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
333 0x00, 0x00, 0x00, 0x00}
336 static const chanvec_t locale_5g_MID3 = {
337 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
338 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
339 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
340 0x00, 0x00, 0x00, 0x00}
343 static const chanvec_t locale_5g_HIGH1 = {
344 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
345 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
346 0x10, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
347 0x00, 0x00, 0x00, 0x00}
350 static const chanvec_t locale_5g_HIGH2 = {
351 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
352 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
353 0x00, 0x00, 0x20, 0x22, 0x02, 0x00, 0x00, 0x00,
354 0x00, 0x00, 0x00, 0x00}
357 static const chanvec_t locale_5g_HIGH3 = {
358 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
359 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
360 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
361 0x00, 0x00, 0x00, 0x00}
364 static const chanvec_t locale_5g_52_140_ALL = {
365 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11,
366 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
367 0x11, 0x11, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
368 0x00, 0x00, 0x00, 0x00}
371 static const chanvec_t locale_5g_HIGH4 = {
372 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
373 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
374 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11,
375 0x11, 0x11, 0x11, 0x11}
378 static const chanvec_t *g_table_locale_base[] = {
393 &locale_5g_52_140_ALL,
397 static void wlc_locale_add_channels(chanvec_t *target,
398 const chanvec_t *channels)
401 for (i = 0; i < sizeof(chanvec_t); i++) {
402 target->vec[i] |= channels->vec[i];
406 static void wlc_locale_get_channels(const locale_info_t *locale,
411 memset(channels, 0, sizeof(chanvec_t));
413 for (i = 0; i < ARRAY_SIZE(g_table_locale_base); i++) {
414 if (locale->valid_channels & (1 << i)) {
415 wlc_locale_add_channels(channels,
416 g_table_locale_base[i]);
422 * Locale Definitions - 2.4 GHz
424 static const locale_info_t locale_i = { /* locale i. channel 1 - 13 */
425 LOCALE_CHAN_01_11 | LOCALE_CHAN_12_13,
426 LOCALE_RADAR_SET_NONE,
427 LOCALE_RESTRICTED_SET_2G_SHORT,
428 {QDB(19), QDB(19), QDB(19),
429 QDB(19), QDB(19), QDB(19)},
435 * Locale Definitions - 5 GHz
437 static const locale_info_t locale_11 = {
438 /* locale 11. channel 36 - 48, 52 - 64, 100 - 140, 149 - 165 */
439 LOCALE_CHAN_36_64 | LOCALE_CHAN_100_140 | LOCALE_CHAN_149_165,
441 LOCALE_RESTRICTED_NONE,
442 {QDB(21), QDB(21), QDB(21), QDB(21), QDB(21)},
443 {23, 23, 23, 30, 30},
444 WLC_EIRP | WLC_DFS_EU
447 #define LOCALE_2G_IDX_i 0
448 static const locale_info_t *g_locale_2g_table[] = {
452 #define LOCALE_5G_IDX_11 0
453 static const locale_info_t *g_locale_5g_table[] = {
458 * MIMO Locale Definitions - 2.4 GHz
460 static const locale_mimo_info_t locale_bn = {
461 {QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
462 QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
463 QDB(13), QDB(13), QDB(13)},
464 {0, 0, QDB(13), QDB(13), QDB(13),
465 QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
470 /* locale mimo 2g indexes */
471 #define LOCALE_MIMO_IDX_bn 0
473 static const locale_mimo_info_t *g_mimo_2g_table[] = {
478 * MIMO Locale Definitions - 5 GHz
480 static const locale_mimo_info_t locale_11n = {
481 { /* 12.5 dBm */ 50, 50, 50, QDB(15), QDB(15)},
482 {QDB(14), QDB(15), QDB(15), QDB(15), QDB(15)},
486 #define LOCALE_MIMO_IDX_11n 0
487 static const locale_mimo_info_t *g_mimo_5g_table[] = {
494 #define LC(id) LOCALE_MIMO_IDX_ ## id
499 #define LC_2G(id) LOCALE_2G_IDX_ ## id
504 #define LC_5G(id) LOCALE_5G_IDX_ ## id
506 #define LOCALES(band2, band5, mimo2, mimo5) {LC_2G(band2), LC_5G(band5), LC(mimo2), LC(mimo5)}
508 static const struct {
509 char abbrev[WLC_CNTRY_BUF_SZ]; /* country abbreviation */
510 country_info_t country;
511 } cntry_locales[] = {
513 "X2", LOCALES(i, 11, bn, 11n)}, /* Worldwide RoW 2 */
517 /* 20MHz channel info for 40MHz pairing support */
523 /* indicates adjacent channels that are allowed for a 40 Mhz channel and
524 * those that permitted by the HT
526 struct chan20_info chan20_info[] = {
528 /* 0 */ {1, (CH_UPPER_SB | CH_EWA_VALID)},
529 /* 1 */ {2, (CH_UPPER_SB | CH_EWA_VALID)},
530 /* 2 */ {3, (CH_UPPER_SB | CH_EWA_VALID)},
531 /* 3 */ {4, (CH_UPPER_SB | CH_EWA_VALID)},
532 /* 4 */ {5, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
533 /* 5 */ {6, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
534 /* 6 */ {7, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
535 /* 7 */ {8, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
536 /* 8 */ {9, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
537 /* 9 */ {10, (CH_LOWER_SB | CH_EWA_VALID)},
538 /* 10 */ {11, (CH_LOWER_SB | CH_EWA_VALID)},
539 /* 11 */ {12, (CH_LOWER_SB)},
540 /* 12 */ {13, (CH_LOWER_SB)},
541 /* 13 */ {14, (CH_LOWER_SB)},
544 /* 14 */ {34, (CH_UPPER_SB)},
545 /* 15 */ {38, (CH_LOWER_SB)},
546 /* 16 */ {42, (CH_LOWER_SB)},
547 /* 17 */ {46, (CH_LOWER_SB)},
550 /* 18 */ {36, (CH_UPPER_SB | CH_EWA_VALID)},
551 /* 19 */ {40, (CH_LOWER_SB | CH_EWA_VALID)},
552 /* 20 */ {44, (CH_UPPER_SB | CH_EWA_VALID)},
553 /* 21 */ {48, (CH_LOWER_SB | CH_EWA_VALID)},
554 /* 22 */ {52, (CH_UPPER_SB | CH_EWA_VALID)},
555 /* 23 */ {56, (CH_LOWER_SB | CH_EWA_VALID)},
556 /* 24 */ {60, (CH_UPPER_SB | CH_EWA_VALID)},
557 /* 25 */ {64, (CH_LOWER_SB | CH_EWA_VALID)},
560 /* 26 */ {100, (CH_UPPER_SB | CH_EWA_VALID)},
561 /* 27 */ {104, (CH_LOWER_SB | CH_EWA_VALID)},
562 /* 28 */ {108, (CH_UPPER_SB | CH_EWA_VALID)},
563 /* 29 */ {112, (CH_LOWER_SB | CH_EWA_VALID)},
564 /* 30 */ {116, (CH_UPPER_SB | CH_EWA_VALID)},
565 /* 31 */ {120, (CH_LOWER_SB | CH_EWA_VALID)},
566 /* 32 */ {124, (CH_UPPER_SB | CH_EWA_VALID)},
567 /* 33 */ {128, (CH_LOWER_SB | CH_EWA_VALID)},
568 /* 34 */ {132, (CH_UPPER_SB | CH_EWA_VALID)},
569 /* 35 */ {136, (CH_LOWER_SB | CH_EWA_VALID)},
570 /* 36 */ {140, (CH_LOWER_SB)},
572 /* 11a usa high, ref5 only */
573 /* The 0x80 bit in pdiv means these are REF5, other entries are REF20 */
574 /* 37 */ {149, (CH_UPPER_SB | CH_EWA_VALID)},
575 /* 38 */ {153, (CH_LOWER_SB | CH_EWA_VALID)},
576 /* 39 */ {157, (CH_UPPER_SB | CH_EWA_VALID)},
577 /* 40 */ {161, (CH_LOWER_SB | CH_EWA_VALID)},
578 /* 41 */ {165, (CH_LOWER_SB)},
581 /* 42 */ {184, (CH_UPPER_SB)},
582 /* 43 */ {188, (CH_LOWER_SB)},
583 /* 44 */ {192, (CH_UPPER_SB)},
584 /* 45 */ {196, (CH_LOWER_SB)},
585 /* 46 */ {200, (CH_UPPER_SB)},
586 /* 47 */ {204, (CH_LOWER_SB)},
587 /* 48 */ {208, (CH_UPPER_SB)},
588 /* 49 */ {212, (CH_LOWER_SB)},
589 /* 50 */ {216, (CH_LOWER_SB)}
591 #endif /* SUPPORT_40MHZ */
593 static const locale_info_t *wlc_get_locale_2g(u8 locale_idx)
595 if (locale_idx >= ARRAY_SIZE(g_locale_2g_table)) {
596 return NULL; /* error condition */
598 return g_locale_2g_table[locale_idx];
601 static const locale_info_t *wlc_get_locale_5g(u8 locale_idx)
603 if (locale_idx >= ARRAY_SIZE(g_locale_5g_table)) {
604 return NULL; /* error condition */
606 return g_locale_5g_table[locale_idx];
609 static const locale_mimo_info_t *wlc_get_mimo_2g(u8 locale_idx)
611 if (locale_idx >= ARRAY_SIZE(g_mimo_2g_table)) {
614 return g_mimo_2g_table[locale_idx];
617 static const locale_mimo_info_t *wlc_get_mimo_5g(u8 locale_idx)
619 if (locale_idx >= ARRAY_SIZE(g_mimo_5g_table)) {
622 return g_mimo_5g_table[locale_idx];
625 wlc_cm_info_t *wlc_channel_mgr_attach(struct wlc_info *wlc)
627 wlc_cm_info_t *wlc_cm;
628 char country_abbrev[WLC_CNTRY_BUF_SZ];
629 const country_info_t *country;
630 struct wlc_pub *pub = wlc->pub;
633 BCMMSG(wlc->wiphy, "wl%d\n", wlc->pub->unit);
635 wlc_cm = kzalloc(sizeof(wlc_cm_info_t), GFP_ATOMIC);
636 if (wlc_cm == NULL) {
637 wiphy_err(wlc->wiphy, "wl%d: %s: out of memory", pub->unit,
645 /* store the country code for passing up as a regulatory hint */
646 ccode = getvar(wlc->pub->vars, "ccode");
648 strncpy(wlc->pub->srom_ccode, ccode, WLC_CNTRY_BUF_SZ - 1);
651 /* internal country information which must match regulatory constraints in firmware */
652 memset(country_abbrev, 0, WLC_CNTRY_BUF_SZ);
653 strncpy(country_abbrev, "X2", sizeof(country_abbrev) - 1);
654 country = wlc_country_lookup(wlc, country_abbrev);
656 /* save default country for exiting 11d regulatory mode */
657 strncpy(wlc->country_default, country_abbrev, WLC_CNTRY_BUF_SZ - 1);
659 /* initialize autocountry_default to driver default */
660 strncpy(wlc->autocountry_default, "X2", WLC_CNTRY_BUF_SZ - 1);
662 wlc_set_countrycode(wlc_cm, country_abbrev);
667 void wlc_channel_mgr_detach(wlc_cm_info_t *wlc_cm)
672 u8 wlc_channel_locale_flags_in_band(wlc_cm_info_t *wlc_cm, uint bandunit)
674 return wlc_cm->bandstate[bandunit].locale_flags;
677 /* set the driver's current country and regulatory information using a country code
678 * as the source. Lookup built in country information found with the country code.
680 static int wlc_set_countrycode(wlc_cm_info_t *wlc_cm, const char *ccode)
682 char country_abbrev[WLC_CNTRY_BUF_SZ];
683 strncpy(country_abbrev, ccode, WLC_CNTRY_BUF_SZ);
684 return wlc_set_countrycode_rev(wlc_cm, country_abbrev, ccode, -1);
688 wlc_set_countrycode_rev(wlc_cm_info_t *wlc_cm,
689 const char *country_abbrev,
690 const char *ccode, int regrev)
692 const country_info_t *country;
693 char mapped_ccode[WLC_CNTRY_BUF_SZ];
696 /* if regrev is -1, lookup the mapped country code,
697 * otherwise use the ccode and regrev directly
700 /* map the country code to a built-in country code, regrev, and country_info */
702 wlc_countrycode_map(wlc_cm, ccode, mapped_ccode,
705 /* find the matching built-in country definition */
706 country = wlc_country_lookup_direct(ccode, regrev);
707 strncpy(mapped_ccode, ccode, WLC_CNTRY_BUF_SZ);
708 mapped_regrev = regrev;
714 /* set the driver state for the country */
715 wlc_set_country_common(wlc_cm, country_abbrev, mapped_ccode,
716 mapped_regrev, country);
721 /* set the driver's current country and regulatory information using a country code
722 * as the source. Look up built in country information found with the country code.
725 wlc_set_country_common(wlc_cm_info_t *wlc_cm,
726 const char *country_abbrev,
727 const char *ccode, uint regrev,
728 const country_info_t *country)
730 const locale_mimo_info_t *li_mimo;
731 const locale_info_t *locale;
732 struct wlc_info *wlc = wlc_cm->wlc;
733 char prev_country_abbrev[WLC_CNTRY_BUF_SZ];
735 /* save current country state */
736 wlc_cm->country = country;
738 memset(&prev_country_abbrev, 0, WLC_CNTRY_BUF_SZ);
739 strncpy(prev_country_abbrev, wlc_cm->country_abbrev,
740 WLC_CNTRY_BUF_SZ - 1);
742 strncpy(wlc_cm->country_abbrev, country_abbrev, WLC_CNTRY_BUF_SZ - 1);
743 strncpy(wlc_cm->ccode, ccode, WLC_CNTRY_BUF_SZ - 1);
744 wlc_cm->regrev = regrev;
746 /* disable/restore nmode based on country regulations */
747 li_mimo = wlc_get_mimo_2g(country->locale_mimo_2G);
748 if (li_mimo && (li_mimo->flags & WLC_NO_MIMO)) {
749 wlc_set_nmode(wlc, OFF);
750 wlc->stf->no_cddstbc = true;
752 wlc->stf->no_cddstbc = false;
753 if (N_ENAB(wlc->pub) != wlc->protection->nmode_user)
754 wlc_set_nmode(wlc, wlc->protection->nmode_user);
757 wlc_stf_ss_update(wlc, wlc->bandstate[BAND_2G_INDEX]);
758 wlc_stf_ss_update(wlc, wlc->bandstate[BAND_5G_INDEX]);
759 /* set or restore gmode as required by regulatory */
760 locale = wlc_get_locale_2g(country->locale_2G);
761 if (locale && (locale->flags & WLC_NO_OFDM)) {
762 wlc_set_gmode(wlc, GMODE_LEGACY_B, false);
764 wlc_set_gmode(wlc, wlc->protection->gmode_user, false);
767 wlc_channels_init(wlc_cm, country);
772 /* Lookup a country info structure from a null terminated country code
773 * The lookup is case sensitive.
775 static const country_info_t *wlc_country_lookup(struct wlc_info *wlc,
778 const country_info_t *country;
779 char mapped_ccode[WLC_CNTRY_BUF_SZ];
782 /* map the country code to a built-in country code, regrev, and country_info struct */
784 wlc_countrycode_map(wlc->cmi, ccode, mapped_ccode, &mapped_regrev);
789 static const country_info_t *wlc_countrycode_map(wlc_cm_info_t *wlc_cm,
794 struct wlc_info *wlc = wlc_cm->wlc;
795 const country_info_t *country;
796 uint srom_regrev = wlc_cm->srom_regrev;
797 const char *srom_ccode = wlc_cm->srom_ccode;
800 /* check for currently supported ccode size */
801 if (strlen(ccode) > (WLC_CNTRY_BUF_SZ - 1)) {
802 wiphy_err(wlc->wiphy, "wl%d: %s: ccode \"%s\" too long for "
803 "match\n", wlc->pub->unit, __func__, ccode);
807 /* default mapping is the given ccode and regrev 0 */
808 strncpy(mapped_ccode, ccode, WLC_CNTRY_BUF_SZ);
811 /* If the desired country code matches the srom country code,
812 * then the mapped country is the srom regulatory rev.
813 * Otherwise look for an aggregate mapping.
815 if (!strcmp(srom_ccode, ccode)) {
816 *mapped_regrev = srom_regrev;
818 wiphy_err(wlc->wiphy, "srom_code == ccode %s\n", __func__);
821 wlc_country_aggregate_map(wlc_cm, ccode, mapped_ccode,
825 /* find the matching built-in country definition */
826 country = wlc_country_lookup_direct(mapped_ccode, *mapped_regrev);
828 /* if there is not an exact rev match, default to rev zero */
829 if (country == NULL && *mapped_regrev != 0) {
832 wlc_country_lookup_direct(mapped_ccode, *mapped_regrev);
839 wlc_country_aggregate_map(wlc_cm_info_t *wlc_cm, const char *ccode,
840 char *mapped_ccode, uint *mapped_regrev)
845 /* Lookup a country info structure from a null terminated country
846 * abbreviation and regrev directly with no translation.
848 static const country_info_t *wlc_country_lookup_direct(const char *ccode,
853 /* Should just return 0 for single locale driver. */
854 /* Keep it this way in case we add more locales. (for now anyway) */
856 /* all other country def arrays are for regrev == 0, so if regrev is non-zero, fail */
860 /* find matched table entry from country code */
861 size = ARRAY_SIZE(cntry_locales);
862 for (i = 0; i < size; i++) {
863 if (strcmp(ccode, cntry_locales[i].abbrev) == 0) {
864 return &cntry_locales[i].country;
871 wlc_channels_init(wlc_cm_info_t *wlc_cm, const country_info_t *country)
873 struct wlc_info *wlc = wlc_cm->wlc;
875 struct wlcband *band;
876 const locale_info_t *li;
878 const locale_mimo_info_t *li_mimo;
881 for (i = 0; i < NBANDS(wlc);
882 i++, band = wlc->bandstate[OTHERBANDUNIT(wlc)]) {
884 li = BAND_5G(band->bandtype) ?
885 wlc_get_locale_5g(country->locale_5G) :
886 wlc_get_locale_2g(country->locale_2G);
887 wlc_cm->bandstate[band->bandunit].locale_flags = li->flags;
888 li_mimo = BAND_5G(band->bandtype) ?
889 wlc_get_mimo_5g(country->locale_mimo_5G) :
890 wlc_get_mimo_2g(country->locale_mimo_2G);
892 /* merge the mimo non-mimo locale flags */
893 wlc_cm->bandstate[band->bandunit].locale_flags |=
896 wlc_cm->bandstate[band->bandunit].restricted_channels =
897 g_table_restricted_chan[li->restricted_channels];
898 wlc_cm->bandstate[band->bandunit].radar_channels =
899 g_table_radar_set[li->radar_channels];
901 /* set the channel availability,
902 * masking out the channels that may not be supported on this phy
904 wlc_phy_chanspec_band_validch(band->pi, band->bandtype,
906 wlc_locale_get_channels(li,
907 &wlc_cm->bandstate[band->bandunit].
909 for (j = 0; j < sizeof(chanvec_t); j++)
910 wlc_cm->bandstate[band->bandunit].valid_channels.
911 vec[j] &= sup_chan.vec[j];
914 wlc_quiet_channels_reset(wlc_cm);
915 wlc_channels_commit(wlc_cm);
920 /* Update the radio state (enable/disable) and tx power targets
921 * based on a new set of channel/regulatory information
923 static void wlc_channels_commit(wlc_cm_info_t *wlc_cm)
925 struct wlc_info *wlc = wlc_cm->wlc;
927 struct txpwr_limits txpwr;
929 /* search for the existence of any valid channel */
930 for (chan = 0; chan < MAXCHANNEL; chan++) {
931 if (VALID_CHANNEL20_DB(wlc, chan)) {
935 if (chan == MAXCHANNEL)
938 /* based on the channel search above, set or clear WL_RADIO_COUNTRY_DISABLE */
939 if (chan == INVCHANNEL) {
940 /* country/locale with no valid channels, set the radio disable bit */
941 mboolset(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE);
942 wiphy_err(wlc->wiphy, "wl%d: %s: no valid channel for \"%s\" "
943 "nbands %d bandlocked %d\n", wlc->pub->unit,
944 __func__, wlc_cm->country_abbrev, NBANDS(wlc),
947 if (mboolisset(wlc->pub->radio_disabled,
948 WL_RADIO_COUNTRY_DISABLE)) {
949 /* country/locale with valid channel, clear the radio disable bit */
950 mboolclr(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE);
953 /* Now that the country abbreviation is set, if the radio supports 2G, then
954 * set channel 14 restrictions based on the new locale.
956 if (NBANDS(wlc) > 1 || BAND_2G(wlc->band->bandtype)) {
957 wlc_phy_chanspec_ch14_widefilter_set(wlc->band->pi,
958 wlc_japan(wlc) ? true :
962 if (wlc->pub->up && chan != INVCHANNEL) {
963 wlc_channel_reg_limits(wlc_cm, wlc->chanspec, &txpwr);
964 wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm,
967 wlc_phy_txpower_limit_set(wlc->band->pi, &txpwr, wlc->chanspec);
971 /* reset the quiet channels vector to the union of the restricted and radar channel sets */
972 static void wlc_quiet_channels_reset(wlc_cm_info_t *wlc_cm)
974 struct wlc_info *wlc = wlc_cm->wlc;
976 struct wlcband *band;
977 const chanvec_t *chanvec;
979 memset(&wlc_cm->quiet_channels, 0, sizeof(chanvec_t));
982 for (i = 0; i < NBANDS(wlc);
983 i++, band = wlc->bandstate[OTHERBANDUNIT(wlc)]) {
985 /* initialize quiet channels for restricted channels */
986 chanvec = wlc_cm->bandstate[band->bandunit].restricted_channels;
987 for (j = 0; j < sizeof(chanvec_t); j++)
988 wlc_cm->quiet_channels.vec[j] |= chanvec->vec[j];
993 static bool wlc_quiet_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chspec)
995 return N_ENAB(wlc_cm->wlc->pub) && CHSPEC_IS40(chspec) ?
997 (wlc_cm->quiet_channels.vec,
998 LOWER_20_SB(CHSPEC_CHANNEL(chspec)))
999 || isset(wlc_cm->quiet_channels.vec,
1000 UPPER_20_SB(CHSPEC_CHANNEL(chspec)))) : isset(wlc_cm->
1007 /* Is the channel valid for the current locale? (but don't consider channels not
1008 * available due to bandlocking)
1010 static bool wlc_valid_channel20_db(wlc_cm_info_t *wlc_cm, uint val)
1012 struct wlc_info *wlc = wlc_cm->wlc;
1014 return VALID_CHANNEL20(wlc, val) ||
1016 && VALID_CHANNEL20_IN_BAND(wlc, OTHERBANDUNIT(wlc), val));
1019 /* Is the channel valid for the current locale and specified band? */
1021 wlc_valid_channel20_in_band(wlc_cm_info_t *wlc_cm, uint bandunit, uint val)
1023 return ((val < MAXCHANNEL)
1024 && isset(wlc_cm->bandstate[bandunit].valid_channels.vec, val));
1027 /* Is the channel valid for the current locale and current band? */
1028 static bool wlc_valid_channel20(wlc_cm_info_t *wlc_cm, uint val)
1030 struct wlc_info *wlc = wlc_cm->wlc;
1032 return ((val < MAXCHANNEL) &&
1033 isset(wlc_cm->bandstate[wlc->band->bandunit].valid_channels.vec,
1038 wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm_info_t *wlc_cm,
1039 struct txpwr_limits *txpwr,
1041 local_constraint_qdbm)
1046 for (j = 0; j < WL_TX_POWER_CCK_NUM; j++) {
1047 txpwr->cck[j] = min(txpwr->cck[j], local_constraint_qdbm);
1050 /* 20 MHz Legacy OFDM SISO */
1051 for (j = 0; j < WL_TX_POWER_OFDM_NUM; j++) {
1052 txpwr->ofdm[j] = min(txpwr->ofdm[j], local_constraint_qdbm);
1055 /* 20 MHz Legacy OFDM CDD */
1056 for (j = 0; j < WLC_NUM_RATES_OFDM; j++) {
1057 txpwr->ofdm_cdd[j] =
1058 min(txpwr->ofdm_cdd[j], local_constraint_qdbm);
1061 /* 40 MHz Legacy OFDM SISO */
1062 for (j = 0; j < WLC_NUM_RATES_OFDM; j++) {
1063 txpwr->ofdm_40_siso[j] =
1064 min(txpwr->ofdm_40_siso[j], local_constraint_qdbm);
1067 /* 40 MHz Legacy OFDM CDD */
1068 for (j = 0; j < WLC_NUM_RATES_OFDM; j++) {
1069 txpwr->ofdm_40_cdd[j] =
1070 min(txpwr->ofdm_40_cdd[j], local_constraint_qdbm);
1073 /* 20MHz MCS 0-7 SISO */
1074 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1075 txpwr->mcs_20_siso[j] =
1076 min(txpwr->mcs_20_siso[j], local_constraint_qdbm);
1079 /* 20MHz MCS 0-7 CDD */
1080 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1081 txpwr->mcs_20_cdd[j] =
1082 min(txpwr->mcs_20_cdd[j], local_constraint_qdbm);
1085 /* 20MHz MCS 0-7 STBC */
1086 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1087 txpwr->mcs_20_stbc[j] =
1088 min(txpwr->mcs_20_stbc[j], local_constraint_qdbm);
1091 /* 20MHz MCS 8-15 MIMO */
1092 for (j = 0; j < WLC_NUM_RATES_MCS_2_STREAM; j++)
1093 txpwr->mcs_20_mimo[j] =
1094 min(txpwr->mcs_20_mimo[j], local_constraint_qdbm);
1096 /* 40MHz MCS 0-7 SISO */
1097 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1098 txpwr->mcs_40_siso[j] =
1099 min(txpwr->mcs_40_siso[j], local_constraint_qdbm);
1102 /* 40MHz MCS 0-7 CDD */
1103 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1104 txpwr->mcs_40_cdd[j] =
1105 min(txpwr->mcs_40_cdd[j], local_constraint_qdbm);
1108 /* 40MHz MCS 0-7 STBC */
1109 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1110 txpwr->mcs_40_stbc[j] =
1111 min(txpwr->mcs_40_stbc[j], local_constraint_qdbm);
1114 /* 40MHz MCS 8-15 MIMO */
1115 for (j = 0; j < WLC_NUM_RATES_MCS_2_STREAM; j++)
1116 txpwr->mcs_40_mimo[j] =
1117 min(txpwr->mcs_40_mimo[j], local_constraint_qdbm);
1120 txpwr->mcs32 = min(txpwr->mcs32, local_constraint_qdbm);
1125 wlc_channel_set_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chanspec,
1126 u8 local_constraint_qdbm)
1128 struct wlc_info *wlc = wlc_cm->wlc;
1129 struct txpwr_limits txpwr;
1131 wlc_channel_reg_limits(wlc_cm, chanspec, &txpwr);
1133 wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm, &txpwr,
1134 local_constraint_qdbm);
1136 wlc_bmac_set_chanspec(wlc->hw, chanspec,
1137 (wlc_quiet_chanspec(wlc_cm, chanspec) != 0),
1142 static void wlc_phy_txpower_limits_dump(txpwr_limits_t *txpwr)
1146 char fraction[4][4] = { " ", ".25", ".5 ", ".75" };
1148 sprintf(buf, "CCK ");
1149 for (i = 0; i < WLC_NUM_RATES_CCK; i++) {
1150 sprintf(buf[strlen(buf)], " %2d%s",
1151 txpwr->cck[i] / WLC_TXPWR_DB_FACTOR,
1152 fraction[txpwr->cck[i] % WLC_TXPWR_DB_FACTOR]);
1154 printk(KERN_DEBUG "%s\n", buf);
1156 sprintf(buf, "20 MHz OFDM SISO ");
1157 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1158 sprintf(buf[strlen(buf)], " %2d%s",
1159 txpwr->ofdm[i] / WLC_TXPWR_DB_FACTOR,
1160 fraction[txpwr->ofdm[i] % WLC_TXPWR_DB_FACTOR]);
1162 printk(KERN_DEBUG "%s\n", buf);
1164 sprintf(buf, "20 MHz OFDM CDD ");
1165 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1166 sprintf(buf[strlen(buf)], " %2d%s",
1167 txpwr->ofdm_cdd[i] / WLC_TXPWR_DB_FACTOR,
1168 fraction[txpwr->ofdm_cdd[i] % WLC_TXPWR_DB_FACTOR]);
1170 printk(KERN_DEBUG "%s\n", buf);
1172 sprintf(buf, "40 MHz OFDM SISO ");
1173 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1174 sprintf(buf[strlen(buf)], " %2d%s",
1175 txpwr->ofdm_40_siso[i] / WLC_TXPWR_DB_FACTOR,
1176 fraction[txpwr->ofdm_40_siso[i] % WLC_TXPWR_DB_FACTOR]);
1178 printk(KERN_DEBUG "%s\n", buf);
1180 sprintf(buf, "40 MHz OFDM CDD ");
1181 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1182 sprintf(buf[strlen(buf)], " %2d%s",
1183 txpwr->ofdm_40_cdd[i] / WLC_TXPWR_DB_FACTOR,
1184 fraction[txpwr->ofdm_40_cdd[i] % WLC_TXPWR_DB_FACTOR]);
1186 printk(KERN_DEBUG "%s\n", buf);
1188 sprintf(buf, "20 MHz MCS0-7 SISO ");
1189 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1190 sprintf(buf[strlen(buf)], " %2d%s",
1191 txpwr->mcs_20_siso[i] / WLC_TXPWR_DB_FACTOR,
1192 fraction[txpwr->mcs_20_siso[i] % WLC_TXPWR_DB_FACTOR]);
1194 printk(KERN_DEBUG "%s\n", buf);
1196 sprintf(buf, "20 MHz MCS0-7 CDD ");
1197 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1198 sprintf(buf[strlen(buf)], " %2d%s",
1199 txpwr->mcs_20_cdd[i] / WLC_TXPWR_DB_FACTOR,
1200 fraction[txpwr->mcs_20_cdd[i] % WLC_TXPWR_DB_FACTOR]);
1202 printk(KERN_DEBUG "%s\n", buf);
1204 sprintf(buf, "20 MHz MCS0-7 STBC ");
1205 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1206 sprintf(buf[strlen(buf)], " %2d%s",
1207 txpwr->mcs_20_stbc[i] / WLC_TXPWR_DB_FACTOR,
1208 fraction[txpwr->mcs_20_stbc[i] % WLC_TXPWR_DB_FACTOR]);
1210 printk(KERN_DEBUG "%s\n", buf);
1212 sprintf(buf, "20 MHz MCS8-15 SDM ");
1213 for (i = 0; i < WLC_NUM_RATES_MCS_2_STREAM; i++) {
1214 sprintf(buf[strlen(buf)], " %2d%s",
1215 txpwr->mcs_20_mimo[i] / WLC_TXPWR_DB_FACTOR,
1216 fraction[txpwr->mcs_20_mimo[i] % WLC_TXPWR_DB_FACTOR]);
1218 printk(KERN_DEBUG "%s\n", buf);
1220 sprintf(buf, "40 MHz MCS0-7 SISO ");
1221 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1222 sprintf(buf[strlen(buf)], " %2d%s",
1223 txpwr->mcs_40_siso[i] / WLC_TXPWR_DB_FACTOR,
1224 fraction[txpwr->mcs_40_siso[i] % WLC_TXPWR_DB_FACTOR]);
1226 printk(KERN_DEBUG "%s\n", buf);
1228 sprintf(buf, "40 MHz MCS0-7 CDD ");
1229 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1230 sprintf(buf[strlen(buf)], " %2d%s",
1231 txpwr->mcs_40_cdd[i] / WLC_TXPWR_DB_FACTOR,
1232 fraction[txpwr->mcs_40_cdd[i] % WLC_TXPWR_DB_FACTOR]);
1234 printk(KERN_DEBUG "%s\n", buf);
1236 sprintf(buf, "40 MHz MCS0-7 STBC ");
1237 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1238 sprintf(buf[strlen(buf)], " %2d%s",
1239 txpwr->mcs_40_stbc[i] / WLC_TXPWR_DB_FACTOR,
1240 fraction[txpwr->mcs_40_stbc[i] % WLC_TXPWR_DB_FACTOR]);
1242 printk(KERN_DEBUG "%s\n", buf);
1244 sprintf(buf, "40 MHz MCS8-15 SDM ");
1245 for (i = 0; i < WLC_NUM_RATES_MCS_2_STREAM; i++) {
1246 sprintf(buf[strlen(buf)], " %2d%s",
1247 txpwr->mcs_40_mimo[i] / WLC_TXPWR_DB_FACTOR,
1248 fraction[txpwr->mcs_40_mimo[i] % WLC_TXPWR_DB_FACTOR]);
1250 printk(KERN_DEBUG "%s\n", buf);
1252 printk(KERN_DEBUG "MCS32 %2d%s\n",
1253 txpwr->mcs32 / WLC_TXPWR_DB_FACTOR,
1254 fraction[txpwr->mcs32 % WLC_TXPWR_DB_FACTOR]);
1256 #endif /* POWER_DBG */
1259 wlc_channel_reg_limits(wlc_cm_info_t *wlc_cm, chanspec_t chanspec,
1260 txpwr_limits_t *txpwr)
1262 struct wlc_info *wlc = wlc_cm->wlc;
1267 const country_info_t *country;
1268 struct wlcband *band;
1269 const locale_info_t *li;
1271 int conducted_ofdm_max;
1272 const locale_mimo_info_t *li_mimo;
1273 int maxpwr20, maxpwr40;
1277 memset(txpwr, 0, sizeof(txpwr_limits_t));
1279 if (!wlc_valid_chanspec_db(wlc_cm, chanspec)) {
1280 country = wlc_country_lookup(wlc, wlc->autocountry_default);
1281 if (country == NULL)
1284 country = wlc_cm->country;
1287 chan = CHSPEC_CHANNEL(chanspec);
1288 band = wlc->bandstate[CHSPEC_WLCBANDUNIT(chanspec)];
1289 li = BAND_5G(band->bandtype) ?
1290 wlc_get_locale_5g(country->locale_5G) :
1291 wlc_get_locale_2g(country->locale_2G);
1293 li_mimo = BAND_5G(band->bandtype) ?
1294 wlc_get_mimo_5g(country->locale_mimo_5G) :
1295 wlc_get_mimo_2g(country->locale_mimo_2G);
1297 if (li->flags & WLC_EIRP) {
1298 delta = band->antgain;
1301 if (band->antgain > QDB(6))
1302 delta = band->antgain - QDB(6); /* Excess over 6 dB */
1305 if (li == &locale_i) {
1306 conducted_max = QDB(22);
1307 conducted_ofdm_max = QDB(22);
1310 /* CCK txpwr limits for 2.4G band */
1311 if (BAND_2G(band->bandtype)) {
1312 maxpwr = li->maxpwr[CHANNEL_POWER_IDX_2G_CCK(chan)];
1314 maxpwr = maxpwr - delta;
1315 maxpwr = max(maxpwr, 0);
1316 maxpwr = min(maxpwr, conducted_max);
1318 for (i = 0; i < WLC_NUM_RATES_CCK; i++)
1319 txpwr->cck[i] = (u8) maxpwr;
1322 /* OFDM txpwr limits for 2.4G or 5G bands */
1323 if (BAND_2G(band->bandtype)) {
1324 maxpwr = li->maxpwr[CHANNEL_POWER_IDX_2G_OFDM(chan)];
1327 maxpwr = li->maxpwr[CHANNEL_POWER_IDX_5G(chan)];
1330 maxpwr = maxpwr - delta;
1331 maxpwr = max(maxpwr, 0);
1332 maxpwr = min(maxpwr, conducted_ofdm_max);
1334 /* Keep OFDM lmit below CCK limit */
1335 if (BAND_2G(band->bandtype))
1336 maxpwr = min_t(int, maxpwr, txpwr->cck[0]);
1338 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1339 txpwr->ofdm[i] = (u8) maxpwr;
1342 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1343 /* OFDM 40 MHz SISO has the same power as the corresponding MCS0-7 rate unless
1344 * overriden by the locale specific code. We set this value to 0 as a
1345 * flag (presumably 0 dBm isn't a possibility) and then copy the MCS0-7 value
1346 * to the 40 MHz value if it wasn't explicitly set.
1348 txpwr->ofdm_40_siso[i] = 0;
1350 txpwr->ofdm_cdd[i] = (u8) maxpwr;
1352 txpwr->ofdm_40_cdd[i] = 0;
1355 /* MIMO/HT specific limits */
1356 if (li_mimo->flags & WLC_EIRP) {
1357 delta = band->antgain;
1360 if (band->antgain > QDB(6))
1361 delta = band->antgain - QDB(6); /* Excess over 6 dB */
1364 if (BAND_2G(band->bandtype))
1365 maxpwr_idx = (chan - 1);
1367 maxpwr_idx = CHANNEL_POWER_IDX_5G(chan);
1369 maxpwr20 = li_mimo->maxpwr20[maxpwr_idx];
1370 maxpwr40 = li_mimo->maxpwr40[maxpwr_idx];
1372 maxpwr20 = maxpwr20 - delta;
1373 maxpwr20 = max(maxpwr20, 0);
1374 maxpwr40 = maxpwr40 - delta;
1375 maxpwr40 = max(maxpwr40, 0);
1377 /* Fill in the MCS 0-7 (SISO) rates */
1378 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1380 /* 20 MHz has the same power as the corresponding OFDM rate unless
1381 * overriden by the locale specific code.
1383 txpwr->mcs_20_siso[i] = txpwr->ofdm[i];
1384 txpwr->mcs_40_siso[i] = 0;
1387 /* Fill in the MCS 0-7 CDD rates */
1388 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1389 txpwr->mcs_20_cdd[i] = (u8) maxpwr20;
1390 txpwr->mcs_40_cdd[i] = (u8) maxpwr40;
1393 /* These locales have SISO expressed in the table and override CDD later */
1394 if (li_mimo == &locale_bn) {
1395 if (li_mimo == &locale_bn) {
1399 if (chan >= 3 && chan <= 11) {
1404 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1405 txpwr->mcs_20_siso[i] = (u8) maxpwr20;
1406 txpwr->mcs_40_siso[i] = (u8) maxpwr40;
1410 /* Fill in the MCS 0-7 STBC rates */
1411 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1412 txpwr->mcs_20_stbc[i] = 0;
1413 txpwr->mcs_40_stbc[i] = 0;
1416 /* Fill in the MCS 8-15 SDM rates */
1417 for (i = 0; i < WLC_NUM_RATES_MCS_2_STREAM; i++) {
1418 txpwr->mcs_20_mimo[i] = (u8) maxpwr20;
1419 txpwr->mcs_40_mimo[i] = (u8) maxpwr40;
1423 txpwr->mcs32 = (u8) maxpwr40;
1425 for (i = 0, j = 0; i < WLC_NUM_RATES_OFDM; i++, j++) {
1426 if (txpwr->ofdm_40_cdd[i] == 0)
1427 txpwr->ofdm_40_cdd[i] = txpwr->mcs_40_cdd[j];
1430 if (txpwr->ofdm_40_cdd[i] == 0)
1431 txpwr->ofdm_40_cdd[i] = txpwr->mcs_40_cdd[j];
1435 /* Copy the 40 MHZ MCS 0-7 CDD value to the 40 MHZ MCS 0-7 SISO value if it wasn't
1436 * provided explicitly.
1439 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1440 if (txpwr->mcs_40_siso[i] == 0)
1441 txpwr->mcs_40_siso[i] = txpwr->mcs_40_cdd[i];
1444 for (i = 0, j = 0; i < WLC_NUM_RATES_OFDM; i++, j++) {
1445 if (txpwr->ofdm_40_siso[i] == 0)
1446 txpwr->ofdm_40_siso[i] = txpwr->mcs_40_siso[j];
1449 if (txpwr->ofdm_40_siso[i] == 0)
1450 txpwr->ofdm_40_siso[i] = txpwr->mcs_40_siso[j];
1454 /* Copy the 20 and 40 MHz MCS0-7 CDD values to the corresponding STBC values if they weren't
1455 * provided explicitly.
1457 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1458 if (txpwr->mcs_20_stbc[i] == 0)
1459 txpwr->mcs_20_stbc[i] = txpwr->mcs_20_cdd[i];
1461 if (txpwr->mcs_40_stbc[i] == 0)
1462 txpwr->mcs_40_stbc[i] = txpwr->mcs_40_cdd[i];
1466 wlc_phy_txpower_limits_dump(txpwr);
1471 /* Returns true if currently set country is Japan or variant */
1472 static bool wlc_japan(struct wlc_info *wlc)
1474 return wlc_japan_ccode(wlc->cmi->country_abbrev);
1477 /* JP, J1 - J10 are Japan ccodes */
1478 static bool wlc_japan_ccode(const char *ccode)
1480 return (ccode[0] == 'J' &&
1481 (ccode[1] == 'P' || (ccode[1] >= '1' && ccode[1] <= '9')));
1485 * Validate the chanspec for this locale, for 40MHZ we need to also check that the sidebands
1486 * are valid 20MZH channels in this locale and they are also a legal HT combination
1489 wlc_valid_chanspec_ext(wlc_cm_info_t *wlc_cm, chanspec_t chspec, bool dualband)
1491 struct wlc_info *wlc = wlc_cm->wlc;
1492 u8 channel = CHSPEC_CHANNEL(chspec);
1494 /* check the chanspec */
1495 if (brcmu_chspec_malformed(chspec)) {
1496 wiphy_err(wlc->wiphy, "wl%d: malformed chanspec 0x%x\n",
1497 wlc->pub->unit, chspec);
1501 if (CHANNEL_BANDUNIT(wlc_cm->wlc, channel) !=
1502 CHSPEC_WLCBANDUNIT(chspec))
1505 /* Check a 20Mhz channel */
1506 if (CHSPEC_IS20(chspec)) {
1508 return VALID_CHANNEL20_DB(wlc_cm->wlc, channel);
1510 return VALID_CHANNEL20(wlc_cm->wlc, channel);
1512 #ifdef SUPPORT_40MHZ
1513 /* We know we are now checking a 40MHZ channel, so we should only be here
1516 if (WLCISNPHY(wlc->band) || WLCISSSLPNPHY(wlc->band)) {
1517 u8 upper_sideband = 0, idx;
1518 u8 num_ch20_entries =
1519 sizeof(chan20_info) / sizeof(struct chan20_info);
1521 if (!VALID_40CHANSPEC_IN_BAND(wlc, CHSPEC_WLCBANDUNIT(chspec)))
1525 if (!VALID_CHANNEL20_DB(wlc, LOWER_20_SB(channel)) ||
1526 !VALID_CHANNEL20_DB(wlc, UPPER_20_SB(channel)))
1529 if (!VALID_CHANNEL20(wlc, LOWER_20_SB(channel)) ||
1530 !VALID_CHANNEL20(wlc, UPPER_20_SB(channel)))
1534 /* find the lower sideband info in the sideband array */
1535 for (idx = 0; idx < num_ch20_entries; idx++) {
1536 if (chan20_info[idx].sb == LOWER_20_SB(channel))
1537 upper_sideband = chan20_info[idx].adj_sbs;
1539 /* check that the lower sideband allows an upper sideband */
1540 if ((upper_sideband & (CH_UPPER_SB | CH_EWA_VALID)) ==
1541 (CH_UPPER_SB | CH_EWA_VALID))
1550 bool wlc_valid_chanspec_db(wlc_cm_info_t *wlc_cm, chanspec_t chspec)
1552 return wlc_valid_chanspec_ext(wlc_cm, chspec, true);