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e4d6b795 MB |
1 | /* |
2 | ||
3 | Broadcom B43 wireless driver | |
4 | ||
5 | Copyright (c) 2005 Martin Langer <martin-langer@gmx.de> | |
1f21ad2a | 6 | Copyright (c) 2005 Stefano Brivio <stefano.brivio@polimi.it> |
eb032b98 | 7 | Copyright (c) 2005-2009 Michael Buesch <m@bues.ch> |
e4d6b795 MB |
8 | Copyright (c) 2005 Danny van Dyk <kugelfang@gentoo.org> |
9 | Copyright (c) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch> | |
108f4f3c | 10 | Copyright (c) 2010-2011 Rafał Miłecki <zajec5@gmail.com> |
e4d6b795 | 11 | |
3dbba8e2 AH |
12 | SDIO support |
13 | Copyright (c) 2009 Albert Herranz <albert_herranz@yahoo.es> | |
14 | ||
e4d6b795 MB |
15 | Some parts of the code in this file are derived from the ipw2200 |
16 | driver Copyright(c) 2003 - 2004 Intel Corporation. | |
17 | ||
18 | This program is free software; you can redistribute it and/or modify | |
19 | it under the terms of the GNU General Public License as published by | |
20 | the Free Software Foundation; either version 2 of the License, or | |
21 | (at your option) any later version. | |
22 | ||
23 | This program is distributed in the hope that it will be useful, | |
24 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
26 | GNU General Public License for more details. | |
27 | ||
28 | You should have received a copy of the GNU General Public License | |
29 | along with this program; see the file COPYING. If not, write to | |
30 | the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, | |
31 | Boston, MA 02110-1301, USA. | |
32 | ||
33 | */ | |
34 | ||
35 | #include <linux/delay.h> | |
36 | #include <linux/init.h> | |
ac5c24e9 | 37 | #include <linux/module.h> |
e4d6b795 MB |
38 | #include <linux/if_arp.h> |
39 | #include <linux/etherdevice.h> | |
e4d6b795 | 40 | #include <linux/firmware.h> |
e4d6b795 MB |
41 | #include <linux/workqueue.h> |
42 | #include <linux/skbuff.h> | |
96cf49a2 | 43 | #include <linux/io.h> |
e4d6b795 | 44 | #include <linux/dma-mapping.h> |
5a0e3ad6 | 45 | #include <linux/slab.h> |
e4d6b795 MB |
46 | #include <asm/unaligned.h> |
47 | ||
48 | #include "b43.h" | |
49 | #include "main.h" | |
50 | #include "debugfs.h" | |
ef1a628d MB |
51 | #include "phy_common.h" |
52 | #include "phy_g.h" | |
3d0da751 | 53 | #include "phy_n.h" |
e4d6b795 | 54 | #include "dma.h" |
5100d5ac | 55 | #include "pio.h" |
e4d6b795 MB |
56 | #include "sysfs.h" |
57 | #include "xmit.h" | |
e4d6b795 MB |
58 | #include "lo.h" |
59 | #include "pcmcia.h" | |
3dbba8e2 AH |
60 | #include "sdio.h" |
61 | #include <linux/mmc/sdio_func.h> | |
e4d6b795 MB |
62 | |
63 | MODULE_DESCRIPTION("Broadcom B43 wireless driver"); | |
64 | MODULE_AUTHOR("Martin Langer"); | |
65 | MODULE_AUTHOR("Stefano Brivio"); | |
66 | MODULE_AUTHOR("Michael Buesch"); | |
0136e51e | 67 | MODULE_AUTHOR("Gábor Stefanik"); |
108f4f3c | 68 | MODULE_AUTHOR("Rafał Miłecki"); |
e4d6b795 MB |
69 | MODULE_LICENSE("GPL"); |
70 | ||
6021e08d TG |
71 | MODULE_FIRMWARE("b43/ucode11.fw"); |
72 | MODULE_FIRMWARE("b43/ucode13.fw"); | |
73 | MODULE_FIRMWARE("b43/ucode14.fw"); | |
74 | MODULE_FIRMWARE("b43/ucode15.fw"); | |
f6158394 | 75 | MODULE_FIRMWARE("b43/ucode16_mimo.fw"); |
6021e08d TG |
76 | MODULE_FIRMWARE("b43/ucode5.fw"); |
77 | MODULE_FIRMWARE("b43/ucode9.fw"); | |
e4d6b795 MB |
78 | |
79 | static int modparam_bad_frames_preempt; | |
80 | module_param_named(bad_frames_preempt, modparam_bad_frames_preempt, int, 0444); | |
81 | MODULE_PARM_DESC(bad_frames_preempt, | |
82 | "enable(1) / disable(0) Bad Frames Preemption"); | |
83 | ||
e4d6b795 MB |
84 | static char modparam_fwpostfix[16]; |
85 | module_param_string(fwpostfix, modparam_fwpostfix, 16, 0444); | |
86 | MODULE_PARM_DESC(fwpostfix, "Postfix for the .fw files to load."); | |
87 | ||
e4d6b795 MB |
88 | static int modparam_hwpctl; |
89 | module_param_named(hwpctl, modparam_hwpctl, int, 0444); | |
90 | MODULE_PARM_DESC(hwpctl, "Enable hardware-side power control (default off)"); | |
91 | ||
92 | static int modparam_nohwcrypt; | |
93 | module_param_named(nohwcrypt, modparam_nohwcrypt, int, 0444); | |
94 | MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); | |
95 | ||
035d0243 | 96 | static int modparam_hwtkip; |
97 | module_param_named(hwtkip, modparam_hwtkip, int, 0444); | |
98 | MODULE_PARM_DESC(hwtkip, "Enable hardware tkip."); | |
99 | ||
403a3a13 MB |
100 | static int modparam_qos = 1; |
101 | module_param_named(qos, modparam_qos, int, 0444); | |
e6f5b934 MB |
102 | MODULE_PARM_DESC(qos, "Enable QOS support (default on)"); |
103 | ||
1855ba78 MB |
104 | static int modparam_btcoex = 1; |
105 | module_param_named(btcoex, modparam_btcoex, int, 0444); | |
c71dbd33 | 106 | MODULE_PARM_DESC(btcoex, "Enable Bluetooth coexistence (default on)"); |
1855ba78 | 107 | |
060210f9 MB |
108 | int b43_modparam_verbose = B43_VERBOSITY_DEFAULT; |
109 | module_param_named(verbose, b43_modparam_verbose, int, 0644); | |
110 | MODULE_PARM_DESC(verbose, "Log message verbosity: 0=error, 1=warn, 2=info(default), 3=debug"); | |
111 | ||
df766267 | 112 | static int b43_modparam_pio = 0; |
9e3bd919 LT |
113 | module_param_named(pio, b43_modparam_pio, int, 0644); |
114 | MODULE_PARM_DESC(pio, "Use PIO accesses by default: 0=DMA, 1=PIO"); | |
e6f5b934 | 115 | |
8960400e RM |
116 | static int modparam_allhwsupport = !IS_ENABLED(CONFIG_BRCMSMAC); |
117 | module_param_named(allhwsupport, modparam_allhwsupport, int, 0444); | |
118 | MODULE_PARM_DESC(allhwsupport, "Enable support for all hardware (even it if overlaps with the brcmsmac driver)"); | |
119 | ||
3c65ab62 RM |
120 | #ifdef CONFIG_B43_BCMA |
121 | static const struct bcma_device_id b43_bcma_tbl[] = { | |
c027ed4c | 122 | BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x11, BCMA_ANY_CLASS), |
3c65ab62 RM |
123 | BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x17, BCMA_ANY_CLASS), |
124 | BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x18, BCMA_ANY_CLASS), | |
125 | BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x1D, BCMA_ANY_CLASS), | |
126 | BCMA_CORETABLE_END | |
127 | }; | |
128 | MODULE_DEVICE_TABLE(bcma, b43_bcma_tbl); | |
129 | #endif | |
130 | ||
aec7ffdf | 131 | #ifdef CONFIG_B43_SSB |
e4d6b795 MB |
132 | static const struct ssb_device_id b43_ssb_tbl[] = { |
133 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 5), | |
134 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 6), | |
135 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 7), | |
136 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 9), | |
137 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 10), | |
d5c71e46 | 138 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 11), |
003d6d27 | 139 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 12), |
013978b6 | 140 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 13), |
6b1c7c67 | 141 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 15), |
92d6128e | 142 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 16), |
e4d6b795 MB |
143 | SSB_DEVTABLE_END |
144 | }; | |
e4d6b795 | 145 | MODULE_DEVICE_TABLE(ssb, b43_ssb_tbl); |
aec7ffdf | 146 | #endif |
e4d6b795 MB |
147 | |
148 | /* Channel and ratetables are shared for all devices. | |
149 | * They can't be const, because ieee80211 puts some precalculated | |
150 | * data in there. This data is the same for all devices, so we don't | |
151 | * get concurrency issues */ | |
152 | #define RATETAB_ENT(_rateid, _flags) \ | |
8318d78a JB |
153 | { \ |
154 | .bitrate = B43_RATE_TO_BASE100KBPS(_rateid), \ | |
155 | .hw_value = (_rateid), \ | |
156 | .flags = (_flags), \ | |
e4d6b795 | 157 | } |
8318d78a JB |
158 | |
159 | /* | |
160 | * NOTE: When changing this, sync with xmit.c's | |
161 | * b43_plcp_get_bitrate_idx_* functions! | |
162 | */ | |
e4d6b795 | 163 | static struct ieee80211_rate __b43_ratetable[] = { |
8318d78a JB |
164 | RATETAB_ENT(B43_CCK_RATE_1MB, 0), |
165 | RATETAB_ENT(B43_CCK_RATE_2MB, IEEE80211_RATE_SHORT_PREAMBLE), | |
166 | RATETAB_ENT(B43_CCK_RATE_5MB, IEEE80211_RATE_SHORT_PREAMBLE), | |
167 | RATETAB_ENT(B43_CCK_RATE_11MB, IEEE80211_RATE_SHORT_PREAMBLE), | |
168 | RATETAB_ENT(B43_OFDM_RATE_6MB, 0), | |
169 | RATETAB_ENT(B43_OFDM_RATE_9MB, 0), | |
170 | RATETAB_ENT(B43_OFDM_RATE_12MB, 0), | |
171 | RATETAB_ENT(B43_OFDM_RATE_18MB, 0), | |
172 | RATETAB_ENT(B43_OFDM_RATE_24MB, 0), | |
173 | RATETAB_ENT(B43_OFDM_RATE_36MB, 0), | |
174 | RATETAB_ENT(B43_OFDM_RATE_48MB, 0), | |
175 | RATETAB_ENT(B43_OFDM_RATE_54MB, 0), | |
e4d6b795 MB |
176 | }; |
177 | ||
178 | #define b43_a_ratetable (__b43_ratetable + 4) | |
179 | #define b43_a_ratetable_size 8 | |
180 | #define b43_b_ratetable (__b43_ratetable + 0) | |
181 | #define b43_b_ratetable_size 4 | |
182 | #define b43_g_ratetable (__b43_ratetable + 0) | |
183 | #define b43_g_ratetable_size 12 | |
184 | ||
e9cdcb74 | 185 | #define CHAN2G(_channel, _freq, _flags) { \ |
bb1eeff1 MB |
186 | .band = IEEE80211_BAND_2GHZ, \ |
187 | .center_freq = (_freq), \ | |
188 | .hw_value = (_channel), \ | |
189 | .flags = (_flags), \ | |
190 | .max_antenna_gain = 0, \ | |
191 | .max_power = 30, \ | |
192 | } | |
96c755a3 | 193 | static struct ieee80211_channel b43_2ghz_chantable[] = { |
e9cdcb74 RM |
194 | CHAN2G(1, 2412, 0), |
195 | CHAN2G(2, 2417, 0), | |
196 | CHAN2G(3, 2422, 0), | |
197 | CHAN2G(4, 2427, 0), | |
198 | CHAN2G(5, 2432, 0), | |
199 | CHAN2G(6, 2437, 0), | |
200 | CHAN2G(7, 2442, 0), | |
201 | CHAN2G(8, 2447, 0), | |
202 | CHAN2G(9, 2452, 0), | |
203 | CHAN2G(10, 2457, 0), | |
204 | CHAN2G(11, 2462, 0), | |
205 | CHAN2G(12, 2467, 0), | |
206 | CHAN2G(13, 2472, 0), | |
207 | CHAN2G(14, 2484, 0), | |
bb1eeff1 | 208 | }; |
e9cdcb74 | 209 | #undef CHAN2G |
bb1eeff1 | 210 | |
91211739 RM |
211 | #define CHAN4G(_channel, _flags) { \ |
212 | .band = IEEE80211_BAND_5GHZ, \ | |
213 | .center_freq = 4000 + (5 * (_channel)), \ | |
214 | .hw_value = (_channel), \ | |
215 | .flags = (_flags), \ | |
216 | .max_antenna_gain = 0, \ | |
217 | .max_power = 30, \ | |
218 | } | |
bb1eeff1 MB |
219 | #define CHAN5G(_channel, _flags) { \ |
220 | .band = IEEE80211_BAND_5GHZ, \ | |
221 | .center_freq = 5000 + (5 * (_channel)), \ | |
222 | .hw_value = (_channel), \ | |
223 | .flags = (_flags), \ | |
224 | .max_antenna_gain = 0, \ | |
225 | .max_power = 30, \ | |
226 | } | |
227 | static struct ieee80211_channel b43_5ghz_nphy_chantable[] = { | |
91211739 RM |
228 | CHAN4G(184, 0), CHAN4G(186, 0), |
229 | CHAN4G(188, 0), CHAN4G(190, 0), | |
230 | CHAN4G(192, 0), CHAN4G(194, 0), | |
231 | CHAN4G(196, 0), CHAN4G(198, 0), | |
232 | CHAN4G(200, 0), CHAN4G(202, 0), | |
233 | CHAN4G(204, 0), CHAN4G(206, 0), | |
234 | CHAN4G(208, 0), CHAN4G(210, 0), | |
235 | CHAN4G(212, 0), CHAN4G(214, 0), | |
236 | CHAN4G(216, 0), CHAN4G(218, 0), | |
237 | CHAN4G(220, 0), CHAN4G(222, 0), | |
238 | CHAN4G(224, 0), CHAN4G(226, 0), | |
239 | CHAN4G(228, 0), | |
bb1eeff1 MB |
240 | CHAN5G(32, 0), CHAN5G(34, 0), |
241 | CHAN5G(36, 0), CHAN5G(38, 0), | |
242 | CHAN5G(40, 0), CHAN5G(42, 0), | |
243 | CHAN5G(44, 0), CHAN5G(46, 0), | |
244 | CHAN5G(48, 0), CHAN5G(50, 0), | |
245 | CHAN5G(52, 0), CHAN5G(54, 0), | |
246 | CHAN5G(56, 0), CHAN5G(58, 0), | |
247 | CHAN5G(60, 0), CHAN5G(62, 0), | |
248 | CHAN5G(64, 0), CHAN5G(66, 0), | |
249 | CHAN5G(68, 0), CHAN5G(70, 0), | |
250 | CHAN5G(72, 0), CHAN5G(74, 0), | |
251 | CHAN5G(76, 0), CHAN5G(78, 0), | |
252 | CHAN5G(80, 0), CHAN5G(82, 0), | |
253 | CHAN5G(84, 0), CHAN5G(86, 0), | |
254 | CHAN5G(88, 0), CHAN5G(90, 0), | |
255 | CHAN5G(92, 0), CHAN5G(94, 0), | |
256 | CHAN5G(96, 0), CHAN5G(98, 0), | |
257 | CHAN5G(100, 0), CHAN5G(102, 0), | |
258 | CHAN5G(104, 0), CHAN5G(106, 0), | |
259 | CHAN5G(108, 0), CHAN5G(110, 0), | |
260 | CHAN5G(112, 0), CHAN5G(114, 0), | |
261 | CHAN5G(116, 0), CHAN5G(118, 0), | |
262 | CHAN5G(120, 0), CHAN5G(122, 0), | |
263 | CHAN5G(124, 0), CHAN5G(126, 0), | |
264 | CHAN5G(128, 0), CHAN5G(130, 0), | |
265 | CHAN5G(132, 0), CHAN5G(134, 0), | |
266 | CHAN5G(136, 0), CHAN5G(138, 0), | |
267 | CHAN5G(140, 0), CHAN5G(142, 0), | |
268 | CHAN5G(144, 0), CHAN5G(145, 0), | |
269 | CHAN5G(146, 0), CHAN5G(147, 0), | |
270 | CHAN5G(148, 0), CHAN5G(149, 0), | |
271 | CHAN5G(150, 0), CHAN5G(151, 0), | |
272 | CHAN5G(152, 0), CHAN5G(153, 0), | |
273 | CHAN5G(154, 0), CHAN5G(155, 0), | |
274 | CHAN5G(156, 0), CHAN5G(157, 0), | |
275 | CHAN5G(158, 0), CHAN5G(159, 0), | |
276 | CHAN5G(160, 0), CHAN5G(161, 0), | |
277 | CHAN5G(162, 0), CHAN5G(163, 0), | |
278 | CHAN5G(164, 0), CHAN5G(165, 0), | |
279 | CHAN5G(166, 0), CHAN5G(168, 0), | |
280 | CHAN5G(170, 0), CHAN5G(172, 0), | |
281 | CHAN5G(174, 0), CHAN5G(176, 0), | |
282 | CHAN5G(178, 0), CHAN5G(180, 0), | |
91211739 | 283 | CHAN5G(182, 0), |
e4d6b795 MB |
284 | }; |
285 | ||
bb1eeff1 MB |
286 | static struct ieee80211_channel b43_5ghz_aphy_chantable[] = { |
287 | CHAN5G(34, 0), CHAN5G(36, 0), | |
288 | CHAN5G(38, 0), CHAN5G(40, 0), | |
289 | CHAN5G(42, 0), CHAN5G(44, 0), | |
290 | CHAN5G(46, 0), CHAN5G(48, 0), | |
291 | CHAN5G(52, 0), CHAN5G(56, 0), | |
292 | CHAN5G(60, 0), CHAN5G(64, 0), | |
293 | CHAN5G(100, 0), CHAN5G(104, 0), | |
294 | CHAN5G(108, 0), CHAN5G(112, 0), | |
295 | CHAN5G(116, 0), CHAN5G(120, 0), | |
296 | CHAN5G(124, 0), CHAN5G(128, 0), | |
297 | CHAN5G(132, 0), CHAN5G(136, 0), | |
298 | CHAN5G(140, 0), CHAN5G(149, 0), | |
299 | CHAN5G(153, 0), CHAN5G(157, 0), | |
300 | CHAN5G(161, 0), CHAN5G(165, 0), | |
301 | CHAN5G(184, 0), CHAN5G(188, 0), | |
302 | CHAN5G(192, 0), CHAN5G(196, 0), | |
303 | CHAN5G(200, 0), CHAN5G(204, 0), | |
304 | CHAN5G(208, 0), CHAN5G(212, 0), | |
305 | CHAN5G(216, 0), | |
306 | }; | |
91211739 | 307 | #undef CHAN4G |
bb1eeff1 MB |
308 | #undef CHAN5G |
309 | ||
310 | static struct ieee80211_supported_band b43_band_5GHz_nphy = { | |
311 | .band = IEEE80211_BAND_5GHZ, | |
312 | .channels = b43_5ghz_nphy_chantable, | |
313 | .n_channels = ARRAY_SIZE(b43_5ghz_nphy_chantable), | |
314 | .bitrates = b43_a_ratetable, | |
315 | .n_bitrates = b43_a_ratetable_size, | |
e4d6b795 | 316 | }; |
8318d78a | 317 | |
bb1eeff1 MB |
318 | static struct ieee80211_supported_band b43_band_5GHz_aphy = { |
319 | .band = IEEE80211_BAND_5GHZ, | |
320 | .channels = b43_5ghz_aphy_chantable, | |
321 | .n_channels = ARRAY_SIZE(b43_5ghz_aphy_chantable), | |
322 | .bitrates = b43_a_ratetable, | |
323 | .n_bitrates = b43_a_ratetable_size, | |
8318d78a | 324 | }; |
e4d6b795 | 325 | |
8318d78a | 326 | static struct ieee80211_supported_band b43_band_2GHz = { |
bb1eeff1 MB |
327 | .band = IEEE80211_BAND_2GHZ, |
328 | .channels = b43_2ghz_chantable, | |
329 | .n_channels = ARRAY_SIZE(b43_2ghz_chantable), | |
330 | .bitrates = b43_g_ratetable, | |
331 | .n_bitrates = b43_g_ratetable_size, | |
8318d78a JB |
332 | }; |
333 | ||
e4d6b795 MB |
334 | static void b43_wireless_core_exit(struct b43_wldev *dev); |
335 | static int b43_wireless_core_init(struct b43_wldev *dev); | |
36dbd954 | 336 | static struct b43_wldev * b43_wireless_core_stop(struct b43_wldev *dev); |
e4d6b795 | 337 | static int b43_wireless_core_start(struct b43_wldev *dev); |
2a190322 FF |
338 | static void b43_op_bss_info_changed(struct ieee80211_hw *hw, |
339 | struct ieee80211_vif *vif, | |
340 | struct ieee80211_bss_conf *conf, | |
341 | u32 changed); | |
e4d6b795 MB |
342 | |
343 | static int b43_ratelimit(struct b43_wl *wl) | |
344 | { | |
345 | if (!wl || !wl->current_dev) | |
346 | return 1; | |
347 | if (b43_status(wl->current_dev) < B43_STAT_STARTED) | |
348 | return 1; | |
349 | /* We are up and running. | |
350 | * Ratelimit the messages to avoid DoS over the net. */ | |
351 | return net_ratelimit(); | |
352 | } | |
353 | ||
354 | void b43info(struct b43_wl *wl, const char *fmt, ...) | |
355 | { | |
5b736d42 | 356 | struct va_format vaf; |
e4d6b795 MB |
357 | va_list args; |
358 | ||
060210f9 MB |
359 | if (b43_modparam_verbose < B43_VERBOSITY_INFO) |
360 | return; | |
e4d6b795 MB |
361 | if (!b43_ratelimit(wl)) |
362 | return; | |
5b736d42 | 363 | |
e4d6b795 | 364 | va_start(args, fmt); |
5b736d42 JP |
365 | |
366 | vaf.fmt = fmt; | |
367 | vaf.va = &args; | |
368 | ||
369 | printk(KERN_INFO "b43-%s: %pV", | |
370 | (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan", &vaf); | |
371 | ||
e4d6b795 MB |
372 | va_end(args); |
373 | } | |
374 | ||
375 | void b43err(struct b43_wl *wl, const char *fmt, ...) | |
376 | { | |
5b736d42 | 377 | struct va_format vaf; |
e4d6b795 MB |
378 | va_list args; |
379 | ||
060210f9 MB |
380 | if (b43_modparam_verbose < B43_VERBOSITY_ERROR) |
381 | return; | |
e4d6b795 MB |
382 | if (!b43_ratelimit(wl)) |
383 | return; | |
5b736d42 | 384 | |
e4d6b795 | 385 | va_start(args, fmt); |
5b736d42 JP |
386 | |
387 | vaf.fmt = fmt; | |
388 | vaf.va = &args; | |
389 | ||
390 | printk(KERN_ERR "b43-%s ERROR: %pV", | |
391 | (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan", &vaf); | |
392 | ||
e4d6b795 MB |
393 | va_end(args); |
394 | } | |
395 | ||
396 | void b43warn(struct b43_wl *wl, const char *fmt, ...) | |
397 | { | |
5b736d42 | 398 | struct va_format vaf; |
e4d6b795 MB |
399 | va_list args; |
400 | ||
060210f9 MB |
401 | if (b43_modparam_verbose < B43_VERBOSITY_WARN) |
402 | return; | |
e4d6b795 MB |
403 | if (!b43_ratelimit(wl)) |
404 | return; | |
5b736d42 | 405 | |
e4d6b795 | 406 | va_start(args, fmt); |
5b736d42 JP |
407 | |
408 | vaf.fmt = fmt; | |
409 | vaf.va = &args; | |
410 | ||
411 | printk(KERN_WARNING "b43-%s warning: %pV", | |
412 | (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan", &vaf); | |
413 | ||
e4d6b795 MB |
414 | va_end(args); |
415 | } | |
416 | ||
e4d6b795 MB |
417 | void b43dbg(struct b43_wl *wl, const char *fmt, ...) |
418 | { | |
5b736d42 | 419 | struct va_format vaf; |
e4d6b795 MB |
420 | va_list args; |
421 | ||
060210f9 MB |
422 | if (b43_modparam_verbose < B43_VERBOSITY_DEBUG) |
423 | return; | |
5b736d42 | 424 | |
e4d6b795 | 425 | va_start(args, fmt); |
5b736d42 JP |
426 | |
427 | vaf.fmt = fmt; | |
428 | vaf.va = &args; | |
429 | ||
430 | printk(KERN_DEBUG "b43-%s debug: %pV", | |
431 | (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan", &vaf); | |
432 | ||
e4d6b795 MB |
433 | va_end(args); |
434 | } | |
e4d6b795 MB |
435 | |
436 | static void b43_ram_write(struct b43_wldev *dev, u16 offset, u32 val) | |
437 | { | |
438 | u32 macctl; | |
439 | ||
440 | B43_WARN_ON(offset % 4 != 0); | |
441 | ||
442 | macctl = b43_read32(dev, B43_MMIO_MACCTL); | |
443 | if (macctl & B43_MACCTL_BE) | |
444 | val = swab32(val); | |
445 | ||
446 | b43_write32(dev, B43_MMIO_RAM_CONTROL, offset); | |
447 | mmiowb(); | |
448 | b43_write32(dev, B43_MMIO_RAM_DATA, val); | |
449 | } | |
450 | ||
280d0e16 MB |
451 | static inline void b43_shm_control_word(struct b43_wldev *dev, |
452 | u16 routing, u16 offset) | |
e4d6b795 MB |
453 | { |
454 | u32 control; | |
455 | ||
456 | /* "offset" is the WORD offset. */ | |
e4d6b795 MB |
457 | control = routing; |
458 | control <<= 16; | |
459 | control |= offset; | |
460 | b43_write32(dev, B43_MMIO_SHM_CONTROL, control); | |
461 | } | |
462 | ||
69eddc8a | 463 | u32 b43_shm_read32(struct b43_wldev *dev, u16 routing, u16 offset) |
e4d6b795 MB |
464 | { |
465 | u32 ret; | |
466 | ||
467 | if (routing == B43_SHM_SHARED) { | |
468 | B43_WARN_ON(offset & 0x0001); | |
469 | if (offset & 0x0003) { | |
470 | /* Unaligned access */ | |
471 | b43_shm_control_word(dev, routing, offset >> 2); | |
472 | ret = b43_read16(dev, B43_MMIO_SHM_DATA_UNALIGNED); | |
e4d6b795 | 473 | b43_shm_control_word(dev, routing, (offset >> 2) + 1); |
f62ae6cd | 474 | ret |= ((u32)b43_read16(dev, B43_MMIO_SHM_DATA)) << 16; |
e4d6b795 | 475 | |
280d0e16 | 476 | goto out; |
e4d6b795 MB |
477 | } |
478 | offset >>= 2; | |
479 | } | |
480 | b43_shm_control_word(dev, routing, offset); | |
481 | ret = b43_read32(dev, B43_MMIO_SHM_DATA); | |
280d0e16 | 482 | out: |
e4d6b795 MB |
483 | return ret; |
484 | } | |
485 | ||
69eddc8a | 486 | u16 b43_shm_read16(struct b43_wldev *dev, u16 routing, u16 offset) |
6bbc321a MB |
487 | { |
488 | u16 ret; | |
489 | ||
e4d6b795 MB |
490 | if (routing == B43_SHM_SHARED) { |
491 | B43_WARN_ON(offset & 0x0001); | |
492 | if (offset & 0x0003) { | |
493 | /* Unaligned access */ | |
494 | b43_shm_control_word(dev, routing, offset >> 2); | |
495 | ret = b43_read16(dev, B43_MMIO_SHM_DATA_UNALIGNED); | |
496 | ||
280d0e16 | 497 | goto out; |
e4d6b795 MB |
498 | } |
499 | offset >>= 2; | |
500 | } | |
501 | b43_shm_control_word(dev, routing, offset); | |
502 | ret = b43_read16(dev, B43_MMIO_SHM_DATA); | |
280d0e16 | 503 | out: |
e4d6b795 MB |
504 | return ret; |
505 | } | |
506 | ||
69eddc8a | 507 | void b43_shm_write32(struct b43_wldev *dev, u16 routing, u16 offset, u32 value) |
6bbc321a | 508 | { |
e4d6b795 MB |
509 | if (routing == B43_SHM_SHARED) { |
510 | B43_WARN_ON(offset & 0x0001); | |
511 | if (offset & 0x0003) { | |
512 | /* Unaligned access */ | |
513 | b43_shm_control_word(dev, routing, offset >> 2); | |
e4d6b795 | 514 | b43_write16(dev, B43_MMIO_SHM_DATA_UNALIGNED, |
f62ae6cd | 515 | value & 0xFFFF); |
e4d6b795 | 516 | b43_shm_control_word(dev, routing, (offset >> 2) + 1); |
f62ae6cd MB |
517 | b43_write16(dev, B43_MMIO_SHM_DATA, |
518 | (value >> 16) & 0xFFFF); | |
6bbc321a | 519 | return; |
e4d6b795 MB |
520 | } |
521 | offset >>= 2; | |
522 | } | |
523 | b43_shm_control_word(dev, routing, offset); | |
e4d6b795 MB |
524 | b43_write32(dev, B43_MMIO_SHM_DATA, value); |
525 | } | |
526 | ||
69eddc8a | 527 | void b43_shm_write16(struct b43_wldev *dev, u16 routing, u16 offset, u16 value) |
6bbc321a | 528 | { |
e4d6b795 MB |
529 | if (routing == B43_SHM_SHARED) { |
530 | B43_WARN_ON(offset & 0x0001); | |
531 | if (offset & 0x0003) { | |
532 | /* Unaligned access */ | |
533 | b43_shm_control_word(dev, routing, offset >> 2); | |
e4d6b795 | 534 | b43_write16(dev, B43_MMIO_SHM_DATA_UNALIGNED, value); |
6bbc321a | 535 | return; |
e4d6b795 MB |
536 | } |
537 | offset >>= 2; | |
538 | } | |
539 | b43_shm_control_word(dev, routing, offset); | |
e4d6b795 | 540 | b43_write16(dev, B43_MMIO_SHM_DATA, value); |
6bbc321a MB |
541 | } |
542 | ||
e4d6b795 | 543 | /* Read HostFlags */ |
99da185a | 544 | u64 b43_hf_read(struct b43_wldev *dev) |
e4d6b795 | 545 | { |
35f0d354 | 546 | u64 ret; |
e4d6b795 | 547 | |
6e6a2cd5 | 548 | ret = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTF3); |
e4d6b795 | 549 | ret <<= 16; |
6e6a2cd5 | 550 | ret |= b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTF2); |
35f0d354 | 551 | ret <<= 16; |
6e6a2cd5 | 552 | ret |= b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTF1); |
e4d6b795 MB |
553 | |
554 | return ret; | |
555 | } | |
556 | ||
557 | /* Write HostFlags */ | |
35f0d354 | 558 | void b43_hf_write(struct b43_wldev *dev, u64 value) |
e4d6b795 | 559 | { |
35f0d354 MB |
560 | u16 lo, mi, hi; |
561 | ||
562 | lo = (value & 0x00000000FFFFULL); | |
563 | mi = (value & 0x0000FFFF0000ULL) >> 16; | |
564 | hi = (value & 0xFFFF00000000ULL) >> 32; | |
6e6a2cd5 RM |
565 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTF1, lo); |
566 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTF2, mi); | |
567 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTF3, hi); | |
e4d6b795 MB |
568 | } |
569 | ||
403a3a13 MB |
570 | /* Read the firmware capabilities bitmask (Opensource firmware only) */ |
571 | static u16 b43_fwcapa_read(struct b43_wldev *dev) | |
572 | { | |
573 | B43_WARN_ON(!dev->fw.opensource); | |
574 | return b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_FWCAPA); | |
575 | } | |
576 | ||
3ebbbb56 | 577 | void b43_tsf_read(struct b43_wldev *dev, u64 *tsf) |
e4d6b795 | 578 | { |
3ebbbb56 MB |
579 | u32 low, high; |
580 | ||
21d889d4 | 581 | B43_WARN_ON(dev->dev->core_rev < 3); |
3ebbbb56 MB |
582 | |
583 | /* The hardware guarantees us an atomic read, if we | |
584 | * read the low register first. */ | |
585 | low = b43_read32(dev, B43_MMIO_REV3PLUS_TSF_LOW); | |
586 | high = b43_read32(dev, B43_MMIO_REV3PLUS_TSF_HIGH); | |
587 | ||
588 | *tsf = high; | |
589 | *tsf <<= 32; | |
590 | *tsf |= low; | |
e4d6b795 MB |
591 | } |
592 | ||
593 | static void b43_time_lock(struct b43_wldev *dev) | |
594 | { | |
5056635c | 595 | b43_maskset32(dev, B43_MMIO_MACCTL, ~0, B43_MACCTL_TBTTHOLD); |
e4d6b795 MB |
596 | /* Commit the write */ |
597 | b43_read32(dev, B43_MMIO_MACCTL); | |
598 | } | |
599 | ||
600 | static void b43_time_unlock(struct b43_wldev *dev) | |
601 | { | |
5056635c | 602 | b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_TBTTHOLD, 0); |
e4d6b795 MB |
603 | /* Commit the write */ |
604 | b43_read32(dev, B43_MMIO_MACCTL); | |
605 | } | |
606 | ||
607 | static void b43_tsf_write_locked(struct b43_wldev *dev, u64 tsf) | |
608 | { | |
3ebbbb56 MB |
609 | u32 low, high; |
610 | ||
21d889d4 | 611 | B43_WARN_ON(dev->dev->core_rev < 3); |
3ebbbb56 MB |
612 | |
613 | low = tsf; | |
614 | high = (tsf >> 32); | |
615 | /* The hardware guarantees us an atomic write, if we | |
616 | * write the low register first. */ | |
617 | b43_write32(dev, B43_MMIO_REV3PLUS_TSF_LOW, low); | |
618 | mmiowb(); | |
619 | b43_write32(dev, B43_MMIO_REV3PLUS_TSF_HIGH, high); | |
620 | mmiowb(); | |
e4d6b795 MB |
621 | } |
622 | ||
623 | void b43_tsf_write(struct b43_wldev *dev, u64 tsf) | |
624 | { | |
625 | b43_time_lock(dev); | |
626 | b43_tsf_write_locked(dev, tsf); | |
627 | b43_time_unlock(dev); | |
628 | } | |
629 | ||
630 | static | |
99da185a | 631 | void b43_macfilter_set(struct b43_wldev *dev, u16 offset, const u8 *mac) |
e4d6b795 MB |
632 | { |
633 | static const u8 zero_addr[ETH_ALEN] = { 0 }; | |
634 | u16 data; | |
635 | ||
636 | if (!mac) | |
637 | mac = zero_addr; | |
638 | ||
639 | offset |= 0x0020; | |
640 | b43_write16(dev, B43_MMIO_MACFILTER_CONTROL, offset); | |
641 | ||
642 | data = mac[0]; | |
643 | data |= mac[1] << 8; | |
644 | b43_write16(dev, B43_MMIO_MACFILTER_DATA, data); | |
645 | data = mac[2]; | |
646 | data |= mac[3] << 8; | |
647 | b43_write16(dev, B43_MMIO_MACFILTER_DATA, data); | |
648 | data = mac[4]; | |
649 | data |= mac[5] << 8; | |
650 | b43_write16(dev, B43_MMIO_MACFILTER_DATA, data); | |
651 | } | |
652 | ||
653 | static void b43_write_mac_bssid_templates(struct b43_wldev *dev) | |
654 | { | |
655 | const u8 *mac; | |
656 | const u8 *bssid; | |
657 | u8 mac_bssid[ETH_ALEN * 2]; | |
658 | int i; | |
659 | u32 tmp; | |
660 | ||
661 | bssid = dev->wl->bssid; | |
662 | mac = dev->wl->mac_addr; | |
663 | ||
664 | b43_macfilter_set(dev, B43_MACFILTER_BSSID, bssid); | |
665 | ||
666 | memcpy(mac_bssid, mac, ETH_ALEN); | |
667 | memcpy(mac_bssid + ETH_ALEN, bssid, ETH_ALEN); | |
668 | ||
669 | /* Write our MAC address and BSSID to template ram */ | |
670 | for (i = 0; i < ARRAY_SIZE(mac_bssid); i += sizeof(u32)) { | |
671 | tmp = (u32) (mac_bssid[i + 0]); | |
672 | tmp |= (u32) (mac_bssid[i + 1]) << 8; | |
673 | tmp |= (u32) (mac_bssid[i + 2]) << 16; | |
674 | tmp |= (u32) (mac_bssid[i + 3]) << 24; | |
675 | b43_ram_write(dev, 0x20 + i, tmp); | |
676 | } | |
677 | } | |
678 | ||
4150c572 | 679 | static void b43_upload_card_macaddress(struct b43_wldev *dev) |
e4d6b795 | 680 | { |
e4d6b795 | 681 | b43_write_mac_bssid_templates(dev); |
4150c572 | 682 | b43_macfilter_set(dev, B43_MACFILTER_SELF, dev->wl->mac_addr); |
e4d6b795 MB |
683 | } |
684 | ||
685 | static void b43_set_slot_time(struct b43_wldev *dev, u16 slot_time) | |
686 | { | |
687 | /* slot_time is in usec. */ | |
b6c3f5be LF |
688 | /* This test used to exit for all but a G PHY. */ |
689 | if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) | |
e4d6b795 | 690 | return; |
b6c3f5be LF |
691 | b43_write16(dev, B43_MMIO_IFSSLOT, 510 + slot_time); |
692 | /* Shared memory location 0x0010 is the slot time and should be | |
693 | * set to slot_time; however, this register is initially 0 and changing | |
694 | * the value adversely affects the transmit rate for BCM4311 | |
695 | * devices. Until this behavior is unterstood, delete this step | |
696 | * | |
697 | * b43_shm_write16(dev, B43_SHM_SHARED, 0x0010, slot_time); | |
698 | */ | |
e4d6b795 MB |
699 | } |
700 | ||
701 | static void b43_short_slot_timing_enable(struct b43_wldev *dev) | |
702 | { | |
703 | b43_set_slot_time(dev, 9); | |
e4d6b795 MB |
704 | } |
705 | ||
706 | static void b43_short_slot_timing_disable(struct b43_wldev *dev) | |
707 | { | |
708 | b43_set_slot_time(dev, 20); | |
e4d6b795 MB |
709 | } |
710 | ||
e4d6b795 | 711 | /* DummyTransmission function, as documented on |
2f19c287 | 712 | * http://bcm-v4.sipsolutions.net/802.11/DummyTransmission |
e4d6b795 | 713 | */ |
2f19c287 | 714 | void b43_dummy_transmission(struct b43_wldev *dev, bool ofdm, bool pa_on) |
e4d6b795 MB |
715 | { |
716 | struct b43_phy *phy = &dev->phy; | |
717 | unsigned int i, max_loop; | |
718 | u16 value; | |
719 | u32 buffer[5] = { | |
720 | 0x00000000, | |
721 | 0x00D40000, | |
722 | 0x00000000, | |
723 | 0x01000000, | |
724 | 0x00000000, | |
725 | }; | |
726 | ||
2f19c287 | 727 | if (ofdm) { |
e4d6b795 MB |
728 | max_loop = 0x1E; |
729 | buffer[0] = 0x000201CC; | |
2f19c287 | 730 | } else { |
e4d6b795 MB |
731 | max_loop = 0xFA; |
732 | buffer[0] = 0x000B846E; | |
e4d6b795 MB |
733 | } |
734 | ||
735 | for (i = 0; i < 5; i++) | |
736 | b43_ram_write(dev, i * 4, buffer[i]); | |
737 | ||
7955d87f RM |
738 | b43_write16(dev, B43_MMIO_XMTSEL, 0x0000); |
739 | ||
21d889d4 | 740 | if (dev->dev->core_rev < 11) |
7955d87f | 741 | b43_write16(dev, B43_MMIO_WEPCTL, 0x0000); |
2f19c287 | 742 | else |
7955d87f RM |
743 | b43_write16(dev, B43_MMIO_WEPCTL, 0x0100); |
744 | ||
2f19c287 | 745 | value = (ofdm ? 0x41 : 0x40); |
7955d87f | 746 | b43_write16(dev, B43_MMIO_TXE0_PHYCTL, value); |
93dbd828 RM |
747 | if (phy->type == B43_PHYTYPE_N || phy->type == B43_PHYTYPE_LP || |
748 | phy->type == B43_PHYTYPE_LCN) | |
7955d87f RM |
749 | b43_write16(dev, B43_MMIO_TXE0_PHYCTL1, 0x1A02); |
750 | ||
751 | b43_write16(dev, B43_MMIO_TXE0_WM_0, 0x0000); | |
752 | b43_write16(dev, B43_MMIO_TXE0_WM_1, 0x0000); | |
753 | ||
754 | b43_write16(dev, B43_MMIO_XMTTPLATETXPTR, 0x0000); | |
755 | b43_write16(dev, B43_MMIO_XMTTXCNT, 0x0014); | |
756 | b43_write16(dev, B43_MMIO_XMTSEL, 0x0826); | |
757 | b43_write16(dev, B43_MMIO_TXE0_CTL, 0x0000); | |
93dbd828 RM |
758 | |
759 | if (!pa_on && phy->type == B43_PHYTYPE_N) | |
760 | ; /*b43_nphy_pa_override(dev, false) */ | |
2f19c287 GS |
761 | |
762 | switch (phy->type) { | |
763 | case B43_PHYTYPE_N: | |
93dbd828 | 764 | case B43_PHYTYPE_LCN: |
7955d87f | 765 | b43_write16(dev, B43_MMIO_TXE0_AUX, 0x00D0); |
2f19c287 GS |
766 | break; |
767 | case B43_PHYTYPE_LP: | |
7955d87f | 768 | b43_write16(dev, B43_MMIO_TXE0_AUX, 0x0050); |
2f19c287 GS |
769 | break; |
770 | default: | |
7955d87f | 771 | b43_write16(dev, B43_MMIO_TXE0_AUX, 0x0030); |
2f19c287 | 772 | } |
93dbd828 | 773 | b43_read16(dev, B43_MMIO_TXE0_AUX); |
e4d6b795 MB |
774 | |
775 | if (phy->radio_ver == 0x2050 && phy->radio_rev <= 0x5) | |
776 | b43_radio_write16(dev, 0x0051, 0x0017); | |
777 | for (i = 0x00; i < max_loop; i++) { | |
7955d87f | 778 | value = b43_read16(dev, B43_MMIO_TXE0_STATUS); |
e4d6b795 MB |
779 | if (value & 0x0080) |
780 | break; | |
781 | udelay(10); | |
782 | } | |
783 | for (i = 0x00; i < 0x0A; i++) { | |
7955d87f | 784 | value = b43_read16(dev, B43_MMIO_TXE0_STATUS); |
e4d6b795 MB |
785 | if (value & 0x0400) |
786 | break; | |
787 | udelay(10); | |
788 | } | |
1d280ddc | 789 | for (i = 0x00; i < 0x19; i++) { |
7955d87f | 790 | value = b43_read16(dev, B43_MMIO_IFSSTAT); |
e4d6b795 MB |
791 | if (!(value & 0x0100)) |
792 | break; | |
793 | udelay(10); | |
794 | } | |
795 | if (phy->radio_ver == 0x2050 && phy->radio_rev <= 0x5) | |
796 | b43_radio_write16(dev, 0x0051, 0x0037); | |
797 | } | |
798 | ||
799 | static void key_write(struct b43_wldev *dev, | |
99da185a | 800 | u8 index, u8 algorithm, const u8 *key) |
e4d6b795 MB |
801 | { |
802 | unsigned int i; | |
803 | u32 offset; | |
804 | u16 value; | |
805 | u16 kidx; | |
806 | ||
807 | /* Key index/algo block */ | |
808 | kidx = b43_kidx_to_fw(dev, index); | |
809 | value = ((kidx << 4) | algorithm); | |
810 | b43_shm_write16(dev, B43_SHM_SHARED, | |
811 | B43_SHM_SH_KEYIDXBLOCK + (kidx * 2), value); | |
812 | ||
813 | /* Write the key to the Key Table Pointer offset */ | |
814 | offset = dev->ktp + (index * B43_SEC_KEYSIZE); | |
815 | for (i = 0; i < B43_SEC_KEYSIZE; i += 2) { | |
816 | value = key[i]; | |
817 | value |= (u16) (key[i + 1]) << 8; | |
818 | b43_shm_write16(dev, B43_SHM_SHARED, offset + i, value); | |
819 | } | |
820 | } | |
821 | ||
99da185a | 822 | static void keymac_write(struct b43_wldev *dev, u8 index, const u8 *addr) |
e4d6b795 MB |
823 | { |
824 | u32 addrtmp[2] = { 0, 0, }; | |
66d2d089 | 825 | u8 pairwise_keys_start = B43_NR_GROUP_KEYS * 2; |
e4d6b795 MB |
826 | |
827 | if (b43_new_kidx_api(dev)) | |
66d2d089 | 828 | pairwise_keys_start = B43_NR_GROUP_KEYS; |
e4d6b795 | 829 | |
66d2d089 MB |
830 | B43_WARN_ON(index < pairwise_keys_start); |
831 | /* We have four default TX keys and possibly four default RX keys. | |
e4d6b795 MB |
832 | * Physical mac 0 is mapped to physical key 4 or 8, depending |
833 | * on the firmware version. | |
834 | * So we must adjust the index here. | |
835 | */ | |
66d2d089 MB |
836 | index -= pairwise_keys_start; |
837 | B43_WARN_ON(index >= B43_NR_PAIRWISE_KEYS); | |
e4d6b795 MB |
838 | |
839 | if (addr) { | |
840 | addrtmp[0] = addr[0]; | |
841 | addrtmp[0] |= ((u32) (addr[1]) << 8); | |
842 | addrtmp[0] |= ((u32) (addr[2]) << 16); | |
843 | addrtmp[0] |= ((u32) (addr[3]) << 24); | |
844 | addrtmp[1] = addr[4]; | |
845 | addrtmp[1] |= ((u32) (addr[5]) << 8); | |
846 | } | |
847 | ||
66d2d089 MB |
848 | /* Receive match transmitter address (RCMTA) mechanism */ |
849 | b43_shm_write32(dev, B43_SHM_RCMTA, | |
850 | (index * 2) + 0, addrtmp[0]); | |
851 | b43_shm_write16(dev, B43_SHM_RCMTA, | |
852 | (index * 2) + 1, addrtmp[1]); | |
e4d6b795 MB |
853 | } |
854 | ||
035d0243 | 855 | /* The ucode will use phase1 key with TEK key to decrypt rx packets. |
856 | * When a packet is received, the iv32 is checked. | |
857 | * - if it doesn't the packet is returned without modification (and software | |
858 | * decryption can be done). That's what happen when iv16 wrap. | |
859 | * - if it does, the rc4 key is computed, and decryption is tried. | |
860 | * Either it will success and B43_RX_MAC_DEC is returned, | |
861 | * either it fails and B43_RX_MAC_DEC|B43_RX_MAC_DECERR is returned | |
862 | * and the packet is not usable (it got modified by the ucode). | |
863 | * So in order to never have B43_RX_MAC_DECERR, we should provide | |
864 | * a iv32 and phase1key that match. Because we drop packets in case of | |
865 | * B43_RX_MAC_DECERR, if we have a correct iv32 but a wrong phase1key, all | |
866 | * packets will be lost without higher layer knowing (ie no resync possible | |
867 | * until next wrap). | |
868 | * | |
869 | * NOTE : this should support 50 key like RCMTA because | |
870 | * (B43_SHM_SH_KEYIDXBLOCK - B43_SHM_SH_TKIPTSCTTAK)/14 = 50 | |
871 | */ | |
872 | static void rx_tkip_phase1_write(struct b43_wldev *dev, u8 index, u32 iv32, | |
873 | u16 *phase1key) | |
874 | { | |
875 | unsigned int i; | |
876 | u32 offset; | |
877 | u8 pairwise_keys_start = B43_NR_GROUP_KEYS * 2; | |
878 | ||
879 | if (!modparam_hwtkip) | |
880 | return; | |
881 | ||
882 | if (b43_new_kidx_api(dev)) | |
883 | pairwise_keys_start = B43_NR_GROUP_KEYS; | |
884 | ||
885 | B43_WARN_ON(index < pairwise_keys_start); | |
886 | /* We have four default TX keys and possibly four default RX keys. | |
887 | * Physical mac 0 is mapped to physical key 4 or 8, depending | |
888 | * on the firmware version. | |
889 | * So we must adjust the index here. | |
890 | */ | |
891 | index -= pairwise_keys_start; | |
892 | B43_WARN_ON(index >= B43_NR_PAIRWISE_KEYS); | |
893 | ||
894 | if (b43_debug(dev, B43_DBG_KEYS)) { | |
895 | b43dbg(dev->wl, "rx_tkip_phase1_write : idx 0x%x, iv32 0x%x\n", | |
896 | index, iv32); | |
897 | } | |
898 | /* Write the key to the RX tkip shared mem */ | |
899 | offset = B43_SHM_SH_TKIPTSCTTAK + index * (10 + 4); | |
900 | for (i = 0; i < 10; i += 2) { | |
901 | b43_shm_write16(dev, B43_SHM_SHARED, offset + i, | |
902 | phase1key ? phase1key[i / 2] : 0); | |
903 | } | |
904 | b43_shm_write16(dev, B43_SHM_SHARED, offset + i, iv32); | |
905 | b43_shm_write16(dev, B43_SHM_SHARED, offset + i + 2, iv32 >> 16); | |
906 | } | |
907 | ||
908 | static void b43_op_update_tkip_key(struct ieee80211_hw *hw, | |
b3fbdcf4 JB |
909 | struct ieee80211_vif *vif, |
910 | struct ieee80211_key_conf *keyconf, | |
911 | struct ieee80211_sta *sta, | |
912 | u32 iv32, u16 *phase1key) | |
035d0243 | 913 | { |
914 | struct b43_wl *wl = hw_to_b43_wl(hw); | |
915 | struct b43_wldev *dev; | |
916 | int index = keyconf->hw_key_idx; | |
917 | ||
918 | if (B43_WARN_ON(!modparam_hwtkip)) | |
919 | return; | |
920 | ||
96869a39 MB |
921 | /* This is only called from the RX path through mac80211, where |
922 | * our mutex is already locked. */ | |
923 | B43_WARN_ON(!mutex_is_locked(&wl->mutex)); | |
035d0243 | 924 | dev = wl->current_dev; |
96869a39 | 925 | B43_WARN_ON(!dev || b43_status(dev) < B43_STAT_INITIALIZED); |
035d0243 | 926 | |
927 | keymac_write(dev, index, NULL); /* First zero out mac to avoid race */ | |
928 | ||
929 | rx_tkip_phase1_write(dev, index, iv32, phase1key); | |
b3fbdcf4 JB |
930 | /* only pairwise TKIP keys are supported right now */ |
931 | if (WARN_ON(!sta)) | |
96869a39 | 932 | return; |
b3fbdcf4 | 933 | keymac_write(dev, index, sta->addr); |
035d0243 | 934 | } |
935 | ||
e4d6b795 MB |
936 | static void do_key_write(struct b43_wldev *dev, |
937 | u8 index, u8 algorithm, | |
99da185a | 938 | const u8 *key, size_t key_len, const u8 *mac_addr) |
e4d6b795 MB |
939 | { |
940 | u8 buf[B43_SEC_KEYSIZE] = { 0, }; | |
66d2d089 | 941 | u8 pairwise_keys_start = B43_NR_GROUP_KEYS * 2; |
e4d6b795 MB |
942 | |
943 | if (b43_new_kidx_api(dev)) | |
66d2d089 | 944 | pairwise_keys_start = B43_NR_GROUP_KEYS; |
e4d6b795 | 945 | |
66d2d089 | 946 | B43_WARN_ON(index >= ARRAY_SIZE(dev->key)); |
e4d6b795 MB |
947 | B43_WARN_ON(key_len > B43_SEC_KEYSIZE); |
948 | ||
66d2d089 | 949 | if (index >= pairwise_keys_start) |
e4d6b795 | 950 | keymac_write(dev, index, NULL); /* First zero out mac. */ |
035d0243 | 951 | if (algorithm == B43_SEC_ALGO_TKIP) { |
952 | /* | |
953 | * We should provide an initial iv32, phase1key pair. | |
954 | * We could start with iv32=0 and compute the corresponding | |
955 | * phase1key, but this means calling ieee80211_get_tkip_key | |
956 | * with a fake skb (or export other tkip function). | |
957 | * Because we are lazy we hope iv32 won't start with | |
958 | * 0xffffffff and let's b43_op_update_tkip_key provide a | |
959 | * correct pair. | |
960 | */ | |
961 | rx_tkip_phase1_write(dev, index, 0xffffffff, (u16*)buf); | |
962 | } else if (index >= pairwise_keys_start) /* clear it */ | |
963 | rx_tkip_phase1_write(dev, index, 0, NULL); | |
e4d6b795 MB |
964 | if (key) |
965 | memcpy(buf, key, key_len); | |
966 | key_write(dev, index, algorithm, buf); | |
66d2d089 | 967 | if (index >= pairwise_keys_start) |
e4d6b795 MB |
968 | keymac_write(dev, index, mac_addr); |
969 | ||
970 | dev->key[index].algorithm = algorithm; | |
971 | } | |
972 | ||
973 | static int b43_key_write(struct b43_wldev *dev, | |
974 | int index, u8 algorithm, | |
99da185a JD |
975 | const u8 *key, size_t key_len, |
976 | const u8 *mac_addr, | |
e4d6b795 MB |
977 | struct ieee80211_key_conf *keyconf) |
978 | { | |
979 | int i; | |
66d2d089 | 980 | int pairwise_keys_start; |
e4d6b795 | 981 | |
035d0243 | 982 | /* For ALG_TKIP the key is encoded as a 256-bit (32 byte) data block: |
983 | * - Temporal Encryption Key (128 bits) | |
984 | * - Temporal Authenticator Tx MIC Key (64 bits) | |
985 | * - Temporal Authenticator Rx MIC Key (64 bits) | |
986 | * | |
987 | * Hardware only store TEK | |
988 | */ | |
989 | if (algorithm == B43_SEC_ALGO_TKIP && key_len == 32) | |
990 | key_len = 16; | |
e4d6b795 MB |
991 | if (key_len > B43_SEC_KEYSIZE) |
992 | return -EINVAL; | |
66d2d089 | 993 | for (i = 0; i < ARRAY_SIZE(dev->key); i++) { |
e4d6b795 MB |
994 | /* Check that we don't already have this key. */ |
995 | B43_WARN_ON(dev->key[i].keyconf == keyconf); | |
996 | } | |
997 | if (index < 0) { | |
e808e586 | 998 | /* Pairwise key. Get an empty slot for the key. */ |
e4d6b795 | 999 | if (b43_new_kidx_api(dev)) |
66d2d089 | 1000 | pairwise_keys_start = B43_NR_GROUP_KEYS; |
e4d6b795 | 1001 | else |
66d2d089 MB |
1002 | pairwise_keys_start = B43_NR_GROUP_KEYS * 2; |
1003 | for (i = pairwise_keys_start; | |
1004 | i < pairwise_keys_start + B43_NR_PAIRWISE_KEYS; | |
1005 | i++) { | |
1006 | B43_WARN_ON(i >= ARRAY_SIZE(dev->key)); | |
e4d6b795 MB |
1007 | if (!dev->key[i].keyconf) { |
1008 | /* found empty */ | |
1009 | index = i; | |
1010 | break; | |
1011 | } | |
1012 | } | |
1013 | if (index < 0) { | |
e808e586 | 1014 | b43warn(dev->wl, "Out of hardware key memory\n"); |
e4d6b795 MB |
1015 | return -ENOSPC; |
1016 | } | |
1017 | } else | |
1018 | B43_WARN_ON(index > 3); | |
1019 | ||
1020 | do_key_write(dev, index, algorithm, key, key_len, mac_addr); | |
1021 | if ((index <= 3) && !b43_new_kidx_api(dev)) { | |
1022 | /* Default RX key */ | |
1023 | B43_WARN_ON(mac_addr); | |
1024 | do_key_write(dev, index + 4, algorithm, key, key_len, NULL); | |
1025 | } | |
1026 | keyconf->hw_key_idx = index; | |
1027 | dev->key[index].keyconf = keyconf; | |
1028 | ||
1029 | return 0; | |
1030 | } | |
1031 | ||
1032 | static int b43_key_clear(struct b43_wldev *dev, int index) | |
1033 | { | |
66d2d089 | 1034 | if (B43_WARN_ON((index < 0) || (index >= ARRAY_SIZE(dev->key)))) |
e4d6b795 MB |
1035 | return -EINVAL; |
1036 | do_key_write(dev, index, B43_SEC_ALGO_NONE, | |
1037 | NULL, B43_SEC_KEYSIZE, NULL); | |
1038 | if ((index <= 3) && !b43_new_kidx_api(dev)) { | |
1039 | do_key_write(dev, index + 4, B43_SEC_ALGO_NONE, | |
1040 | NULL, B43_SEC_KEYSIZE, NULL); | |
1041 | } | |
1042 | dev->key[index].keyconf = NULL; | |
1043 | ||
1044 | return 0; | |
1045 | } | |
1046 | ||
1047 | static void b43_clear_keys(struct b43_wldev *dev) | |
1048 | { | |
66d2d089 | 1049 | int i, count; |
e4d6b795 | 1050 | |
66d2d089 MB |
1051 | if (b43_new_kidx_api(dev)) |
1052 | count = B43_NR_GROUP_KEYS + B43_NR_PAIRWISE_KEYS; | |
1053 | else | |
1054 | count = B43_NR_GROUP_KEYS * 2 + B43_NR_PAIRWISE_KEYS; | |
1055 | for (i = 0; i < count; i++) | |
e4d6b795 MB |
1056 | b43_key_clear(dev, i); |
1057 | } | |
1058 | ||
9cf7f247 MB |
1059 | static void b43_dump_keymemory(struct b43_wldev *dev) |
1060 | { | |
66d2d089 | 1061 | unsigned int i, index, count, offset, pairwise_keys_start; |
9cf7f247 MB |
1062 | u8 mac[ETH_ALEN]; |
1063 | u16 algo; | |
1064 | u32 rcmta0; | |
1065 | u16 rcmta1; | |
1066 | u64 hf; | |
1067 | struct b43_key *key; | |
1068 | ||
1069 | if (!b43_debug(dev, B43_DBG_KEYS)) | |
1070 | return; | |
1071 | ||
1072 | hf = b43_hf_read(dev); | |
1073 | b43dbg(dev->wl, "Hardware key memory dump: USEDEFKEYS=%u\n", | |
1074 | !!(hf & B43_HF_USEDEFKEYS)); | |
66d2d089 MB |
1075 | if (b43_new_kidx_api(dev)) { |
1076 | pairwise_keys_start = B43_NR_GROUP_KEYS; | |
1077 | count = B43_NR_GROUP_KEYS + B43_NR_PAIRWISE_KEYS; | |
1078 | } else { | |
1079 | pairwise_keys_start = B43_NR_GROUP_KEYS * 2; | |
1080 | count = B43_NR_GROUP_KEYS * 2 + B43_NR_PAIRWISE_KEYS; | |
1081 | } | |
1082 | for (index = 0; index < count; index++) { | |
9cf7f247 MB |
1083 | key = &(dev->key[index]); |
1084 | printk(KERN_DEBUG "Key slot %02u: %s", | |
1085 | index, (key->keyconf == NULL) ? " " : "*"); | |
1086 | offset = dev->ktp + (index * B43_SEC_KEYSIZE); | |
1087 | for (i = 0; i < B43_SEC_KEYSIZE; i += 2) { | |
1088 | u16 tmp = b43_shm_read16(dev, B43_SHM_SHARED, offset + i); | |
1089 | printk("%02X%02X", (tmp & 0xFF), ((tmp >> 8) & 0xFF)); | |
1090 | } | |
1091 | ||
1092 | algo = b43_shm_read16(dev, B43_SHM_SHARED, | |
1093 | B43_SHM_SH_KEYIDXBLOCK + (index * 2)); | |
1094 | printk(" Algo: %04X/%02X", algo, key->algorithm); | |
1095 | ||
66d2d089 | 1096 | if (index >= pairwise_keys_start) { |
035d0243 | 1097 | if (key->algorithm == B43_SEC_ALGO_TKIP) { |
1098 | printk(" TKIP: "); | |
1099 | offset = B43_SHM_SH_TKIPTSCTTAK + (index - 4) * (10 + 4); | |
1100 | for (i = 0; i < 14; i += 2) { | |
1101 | u16 tmp = b43_shm_read16(dev, B43_SHM_SHARED, offset + i); | |
1102 | printk("%02X%02X", (tmp & 0xFF), ((tmp >> 8) & 0xFF)); | |
1103 | } | |
1104 | } | |
9cf7f247 | 1105 | rcmta0 = b43_shm_read32(dev, B43_SHM_RCMTA, |
66d2d089 | 1106 | ((index - pairwise_keys_start) * 2) + 0); |
9cf7f247 | 1107 | rcmta1 = b43_shm_read16(dev, B43_SHM_RCMTA, |
66d2d089 | 1108 | ((index - pairwise_keys_start) * 2) + 1); |
9cf7f247 MB |
1109 | *((__le32 *)(&mac[0])) = cpu_to_le32(rcmta0); |
1110 | *((__le16 *)(&mac[4])) = cpu_to_le16(rcmta1); | |
e91d8334 | 1111 | printk(" MAC: %pM", mac); |
9cf7f247 MB |
1112 | } else |
1113 | printk(" DEFAULT KEY"); | |
1114 | printk("\n"); | |
1115 | } | |
1116 | } | |
1117 | ||
e4d6b795 MB |
1118 | void b43_power_saving_ctl_bits(struct b43_wldev *dev, unsigned int ps_flags) |
1119 | { | |
1120 | u32 macctl; | |
1121 | u16 ucstat; | |
1122 | bool hwps; | |
1123 | bool awake; | |
1124 | int i; | |
1125 | ||
1126 | B43_WARN_ON((ps_flags & B43_PS_ENABLED) && | |
1127 | (ps_flags & B43_PS_DISABLED)); | |
1128 | B43_WARN_ON((ps_flags & B43_PS_AWAKE) && (ps_flags & B43_PS_ASLEEP)); | |
1129 | ||
1130 | if (ps_flags & B43_PS_ENABLED) { | |
3db1cd5c | 1131 | hwps = true; |
e4d6b795 | 1132 | } else if (ps_flags & B43_PS_DISABLED) { |
3db1cd5c | 1133 | hwps = false; |
e4d6b795 MB |
1134 | } else { |
1135 | //TODO: If powersave is not off and FIXME is not set and we are not in adhoc | |
1136 | // and thus is not an AP and we are associated, set bit 25 | |
1137 | } | |
1138 | if (ps_flags & B43_PS_AWAKE) { | |
3db1cd5c | 1139 | awake = true; |
e4d6b795 | 1140 | } else if (ps_flags & B43_PS_ASLEEP) { |
3db1cd5c | 1141 | awake = false; |
e4d6b795 MB |
1142 | } else { |
1143 | //TODO: If the device is awake or this is an AP, or we are scanning, or FIXME, | |
1144 | // or we are associated, or FIXME, or the latest PS-Poll packet sent was | |
1145 | // successful, set bit26 | |
1146 | } | |
1147 | ||
1148 | /* FIXME: For now we force awake-on and hwps-off */ | |
3db1cd5c RR |
1149 | hwps = false; |
1150 | awake = true; | |
e4d6b795 MB |
1151 | |
1152 | macctl = b43_read32(dev, B43_MMIO_MACCTL); | |
1153 | if (hwps) | |
1154 | macctl |= B43_MACCTL_HWPS; | |
1155 | else | |
1156 | macctl &= ~B43_MACCTL_HWPS; | |
1157 | if (awake) | |
1158 | macctl |= B43_MACCTL_AWAKE; | |
1159 | else | |
1160 | macctl &= ~B43_MACCTL_AWAKE; | |
1161 | b43_write32(dev, B43_MMIO_MACCTL, macctl); | |
1162 | /* Commit write */ | |
1163 | b43_read32(dev, B43_MMIO_MACCTL); | |
21d889d4 | 1164 | if (awake && dev->dev->core_rev >= 5) { |
e4d6b795 MB |
1165 | /* Wait for the microcode to wake up. */ |
1166 | for (i = 0; i < 100; i++) { | |
1167 | ucstat = b43_shm_read16(dev, B43_SHM_SHARED, | |
1168 | B43_SHM_SH_UCODESTAT); | |
1169 | if (ucstat != B43_SHM_SH_UCODESTAT_SLEEP) | |
1170 | break; | |
1171 | udelay(10); | |
1172 | } | |
1173 | } | |
1174 | } | |
1175 | ||
42c9a458 | 1176 | #ifdef CONFIG_B43_BCMA |
49173592 | 1177 | static void b43_bcma_phy_reset(struct b43_wldev *dev) |
42c9a458 | 1178 | { |
49173592 | 1179 | u32 flags; |
42c9a458 | 1180 | |
49173592 RM |
1181 | /* Put PHY into reset */ |
1182 | flags = bcma_aread32(dev->dev->bdev, BCMA_IOCTL); | |
1183 | flags |= B43_BCMA_IOCTL_PHY_RESET; | |
42c9a458 | 1184 | flags |= B43_BCMA_IOCTL_PHY_BW_20MHZ; /* Make 20 MHz def */ |
49173592 RM |
1185 | bcma_awrite32(dev->dev->bdev, BCMA_IOCTL, flags); |
1186 | udelay(2); | |
1187 | ||
50c1b59e | 1188 | b43_phy_take_out_of_reset(dev); |
49173592 | 1189 | } |
42c9a458 | 1190 | |
49173592 RM |
1191 | static void b43_bcma_wireless_core_reset(struct b43_wldev *dev, bool gmode) |
1192 | { | |
88cceab5 RM |
1193 | u32 req = B43_BCMA_CLKCTLST_80211_PLL_REQ | |
1194 | B43_BCMA_CLKCTLST_PHY_PLL_REQ; | |
1195 | u32 status = B43_BCMA_CLKCTLST_80211_PLL_ST | | |
1196 | B43_BCMA_CLKCTLST_PHY_PLL_ST; | |
6b9e03e6 RM |
1197 | u32 flags; |
1198 | ||
1199 | flags = B43_BCMA_IOCTL_PHY_CLKEN; | |
1200 | if (gmode) | |
1201 | flags |= B43_BCMA_IOCTL_GMODE; | |
1202 | b43_device_enable(dev, flags); | |
88cceab5 | 1203 | |
49173592 RM |
1204 | bcma_core_set_clockmode(dev->dev->bdev, BCMA_CLKMODE_FAST); |
1205 | b43_bcma_phy_reset(dev); | |
88cceab5 | 1206 | bcma_core_pll_ctl(dev->dev->bdev, req, status, true); |
42c9a458 RM |
1207 | } |
1208 | #endif | |
1209 | ||
bd7c8a59 | 1210 | #ifdef CONFIG_B43_SSB |
4da909e7 | 1211 | static void b43_ssb_wireless_core_reset(struct b43_wldev *dev, bool gmode) |
e4d6b795 | 1212 | { |
4da909e7 | 1213 | u32 flags = 0; |
e4d6b795 | 1214 | |
4da909e7 RM |
1215 | if (gmode) |
1216 | flags |= B43_TMSLOW_GMODE; | |
e4d6b795 MB |
1217 | flags |= B43_TMSLOW_PHYCLKEN; |
1218 | flags |= B43_TMSLOW_PHYRESET; | |
42ab135f RM |
1219 | if (dev->phy.type == B43_PHYTYPE_N) |
1220 | flags |= B43_TMSLOW_PHY_BANDWIDTH_20MHZ; /* Make 20 MHz def */ | |
24ca39d6 | 1221 | b43_device_enable(dev, flags); |
e4d6b795 MB |
1222 | msleep(2); /* Wait for the PLL to turn on. */ |
1223 | ||
50c1b59e | 1224 | b43_phy_take_out_of_reset(dev); |
1495298d | 1225 | } |
bd7c8a59 | 1226 | #endif |
1495298d | 1227 | |
4da909e7 | 1228 | void b43_wireless_core_reset(struct b43_wldev *dev, bool gmode) |
1495298d RM |
1229 | { |
1230 | u32 macctl; | |
1231 | ||
6cbab0d9 | 1232 | switch (dev->dev->bus_type) { |
42c9a458 RM |
1233 | #ifdef CONFIG_B43_BCMA |
1234 | case B43_BUS_BCMA: | |
1235 | b43_bcma_wireless_core_reset(dev, gmode); | |
1236 | break; | |
1237 | #endif | |
6cbab0d9 RM |
1238 | #ifdef CONFIG_B43_SSB |
1239 | case B43_BUS_SSB: | |
1240 | b43_ssb_wireless_core_reset(dev, gmode); | |
1241 | break; | |
1242 | #endif | |
1243 | } | |
e4d6b795 | 1244 | |
fb11137a MB |
1245 | /* Turn Analog ON, but only if we already know the PHY-type. |
1246 | * This protects against very early setup where we don't know the | |
1247 | * PHY-type, yet. wireless_core_reset will be called once again later, | |
1248 | * when we know the PHY-type. */ | |
1249 | if (dev->phy.ops) | |
cb24f57f | 1250 | dev->phy.ops->switch_analog(dev, 1); |
e4d6b795 MB |
1251 | |
1252 | macctl = b43_read32(dev, B43_MMIO_MACCTL); | |
1253 | macctl &= ~B43_MACCTL_GMODE; | |
4da909e7 | 1254 | if (gmode) |
e4d6b795 MB |
1255 | macctl |= B43_MACCTL_GMODE; |
1256 | macctl |= B43_MACCTL_IHR_ENABLED; | |
1257 | b43_write32(dev, B43_MMIO_MACCTL, macctl); | |
1258 | } | |
1259 | ||
1260 | static void handle_irq_transmit_status(struct b43_wldev *dev) | |
1261 | { | |
1262 | u32 v0, v1; | |
1263 | u16 tmp; | |
1264 | struct b43_txstatus stat; | |
1265 | ||
1266 | while (1) { | |
1267 | v0 = b43_read32(dev, B43_MMIO_XMITSTAT_0); | |
1268 | if (!(v0 & 0x00000001)) | |
1269 | break; | |
1270 | v1 = b43_read32(dev, B43_MMIO_XMITSTAT_1); | |
1271 | ||
1272 | stat.cookie = (v0 >> 16); | |
1273 | stat.seq = (v1 & 0x0000FFFF); | |
1274 | stat.phy_stat = ((v1 & 0x00FF0000) >> 16); | |
1275 | tmp = (v0 & 0x0000FFFF); | |
1276 | stat.frame_count = ((tmp & 0xF000) >> 12); | |
1277 | stat.rts_count = ((tmp & 0x0F00) >> 8); | |
1278 | stat.supp_reason = ((tmp & 0x001C) >> 2); | |
1279 | stat.pm_indicated = !!(tmp & 0x0080); | |
1280 | stat.intermediate = !!(tmp & 0x0040); | |
1281 | stat.for_ampdu = !!(tmp & 0x0020); | |
1282 | stat.acked = !!(tmp & 0x0002); | |
1283 | ||
1284 | b43_handle_txstatus(dev, &stat); | |
1285 | } | |
1286 | } | |
1287 | ||
1288 | static void drain_txstatus_queue(struct b43_wldev *dev) | |
1289 | { | |
1290 | u32 dummy; | |
1291 | ||
21d889d4 | 1292 | if (dev->dev->core_rev < 5) |
e4d6b795 MB |
1293 | return; |
1294 | /* Read all entries from the microcode TXstatus FIFO | |
1295 | * and throw them away. | |
1296 | */ | |
1297 | while (1) { | |
1298 | dummy = b43_read32(dev, B43_MMIO_XMITSTAT_0); | |
1299 | if (!(dummy & 0x00000001)) | |
1300 | break; | |
1301 | dummy = b43_read32(dev, B43_MMIO_XMITSTAT_1); | |
1302 | } | |
1303 | } | |
1304 | ||
1305 | static u32 b43_jssi_read(struct b43_wldev *dev) | |
1306 | { | |
1307 | u32 val = 0; | |
1308 | ||
5c1da23b | 1309 | val = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_JSSI1); |
e4d6b795 | 1310 | val <<= 16; |
5c1da23b | 1311 | val |= b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_JSSI0); |
e4d6b795 MB |
1312 | |
1313 | return val; | |
1314 | } | |
1315 | ||
1316 | static void b43_jssi_write(struct b43_wldev *dev, u32 jssi) | |
1317 | { | |
5c1da23b HM |
1318 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_JSSI0, |
1319 | (jssi & 0x0000FFFF)); | |
1320 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_JSSI1, | |
1321 | (jssi & 0xFFFF0000) >> 16); | |
e4d6b795 MB |
1322 | } |
1323 | ||
1324 | static void b43_generate_noise_sample(struct b43_wldev *dev) | |
1325 | { | |
1326 | b43_jssi_write(dev, 0x7F7F7F7F); | |
aa6c7ae2 MB |
1327 | b43_write32(dev, B43_MMIO_MACCMD, |
1328 | b43_read32(dev, B43_MMIO_MACCMD) | B43_MACCMD_BGNOISE); | |
e4d6b795 MB |
1329 | } |
1330 | ||
1331 | static void b43_calculate_link_quality(struct b43_wldev *dev) | |
1332 | { | |
1333 | /* Top half of Link Quality calculation. */ | |
1334 | ||
ef1a628d MB |
1335 | if (dev->phy.type != B43_PHYTYPE_G) |
1336 | return; | |
e4d6b795 MB |
1337 | if (dev->noisecalc.calculation_running) |
1338 | return; | |
3db1cd5c | 1339 | dev->noisecalc.calculation_running = true; |
e4d6b795 MB |
1340 | dev->noisecalc.nr_samples = 0; |
1341 | ||
1342 | b43_generate_noise_sample(dev); | |
1343 | } | |
1344 | ||
1345 | static void handle_irq_noise(struct b43_wldev *dev) | |
1346 | { | |
ef1a628d | 1347 | struct b43_phy_g *phy = dev->phy.g; |
e4d6b795 MB |
1348 | u16 tmp; |
1349 | u8 noise[4]; | |
1350 | u8 i, j; | |
1351 | s32 average; | |
1352 | ||
1353 | /* Bottom half of Link Quality calculation. */ | |
1354 | ||
ef1a628d MB |
1355 | if (dev->phy.type != B43_PHYTYPE_G) |
1356 | return; | |
1357 | ||
98a3b2fe MB |
1358 | /* Possible race condition: It might be possible that the user |
1359 | * changed to a different channel in the meantime since we | |
1360 | * started the calculation. We ignore that fact, since it's | |
1361 | * not really that much of a problem. The background noise is | |
1362 | * an estimation only anyway. Slightly wrong results will get damped | |
1363 | * by the averaging of the 8 sample rounds. Additionally the | |
1364 | * value is shortlived. So it will be replaced by the next noise | |
1365 | * calculation round soon. */ | |
1366 | ||
e4d6b795 | 1367 | B43_WARN_ON(!dev->noisecalc.calculation_running); |
1a09404a | 1368 | *((__le32 *)noise) = cpu_to_le32(b43_jssi_read(dev)); |
e4d6b795 MB |
1369 | if (noise[0] == 0x7F || noise[1] == 0x7F || |
1370 | noise[2] == 0x7F || noise[3] == 0x7F) | |
1371 | goto generate_new; | |
1372 | ||
1373 | /* Get the noise samples. */ | |
1374 | B43_WARN_ON(dev->noisecalc.nr_samples >= 8); | |
1375 | i = dev->noisecalc.nr_samples; | |
cdbf0846 HH |
1376 | noise[0] = clamp_val(noise[0], 0, ARRAY_SIZE(phy->nrssi_lt) - 1); |
1377 | noise[1] = clamp_val(noise[1], 0, ARRAY_SIZE(phy->nrssi_lt) - 1); | |
1378 | noise[2] = clamp_val(noise[2], 0, ARRAY_SIZE(phy->nrssi_lt) - 1); | |
1379 | noise[3] = clamp_val(noise[3], 0, ARRAY_SIZE(phy->nrssi_lt) - 1); | |
e4d6b795 MB |
1380 | dev->noisecalc.samples[i][0] = phy->nrssi_lt[noise[0]]; |
1381 | dev->noisecalc.samples[i][1] = phy->nrssi_lt[noise[1]]; | |
1382 | dev->noisecalc.samples[i][2] = phy->nrssi_lt[noise[2]]; | |
1383 | dev->noisecalc.samples[i][3] = phy->nrssi_lt[noise[3]]; | |
1384 | dev->noisecalc.nr_samples++; | |
1385 | if (dev->noisecalc.nr_samples == 8) { | |
1386 | /* Calculate the Link Quality by the noise samples. */ | |
1387 | average = 0; | |
1388 | for (i = 0; i < 8; i++) { | |
1389 | for (j = 0; j < 4; j++) | |
1390 | average += dev->noisecalc.samples[i][j]; | |
1391 | } | |
1392 | average /= (8 * 4); | |
1393 | average *= 125; | |
1394 | average += 64; | |
1395 | average /= 128; | |
1396 | tmp = b43_shm_read16(dev, B43_SHM_SHARED, 0x40C); | |
1397 | tmp = (tmp / 128) & 0x1F; | |
1398 | if (tmp >= 8) | |
1399 | average += 2; | |
1400 | else | |
1401 | average -= 25; | |
1402 | if (tmp == 8) | |
1403 | average -= 72; | |
1404 | else | |
1405 | average -= 48; | |
1406 | ||
1407 | dev->stats.link_noise = average; | |
3db1cd5c | 1408 | dev->noisecalc.calculation_running = false; |
e4d6b795 MB |
1409 | return; |
1410 | } | |
98a3b2fe | 1411 | generate_new: |
e4d6b795 MB |
1412 | b43_generate_noise_sample(dev); |
1413 | } | |
1414 | ||
1415 | static void handle_irq_tbtt_indication(struct b43_wldev *dev) | |
1416 | { | |
05c914fe | 1417 | if (b43_is_mode(dev->wl, NL80211_IFTYPE_AP)) { |
e4d6b795 MB |
1418 | ///TODO: PS TBTT |
1419 | } else { | |
1420 | if (1 /*FIXME: the last PSpoll frame was sent successfully */ ) | |
1421 | b43_power_saving_ctl_bits(dev, 0); | |
1422 | } | |
05c914fe | 1423 | if (b43_is_mode(dev->wl, NL80211_IFTYPE_ADHOC)) |
3db1cd5c | 1424 | dev->dfq_valid = true; |
e4d6b795 MB |
1425 | } |
1426 | ||
1427 | static void handle_irq_atim_end(struct b43_wldev *dev) | |
1428 | { | |
aa6c7ae2 MB |
1429 | if (dev->dfq_valid) { |
1430 | b43_write32(dev, B43_MMIO_MACCMD, | |
1431 | b43_read32(dev, B43_MMIO_MACCMD) | |
1432 | | B43_MACCMD_DFQ_VALID); | |
3db1cd5c | 1433 | dev->dfq_valid = false; |
aa6c7ae2 | 1434 | } |
e4d6b795 MB |
1435 | } |
1436 | ||
1437 | static void handle_irq_pmq(struct b43_wldev *dev) | |
1438 | { | |
1439 | u32 tmp; | |
1440 | ||
1441 | //TODO: AP mode. | |
1442 | ||
1443 | while (1) { | |
1444 | tmp = b43_read32(dev, B43_MMIO_PS_STATUS); | |
1445 | if (!(tmp & 0x00000008)) | |
1446 | break; | |
1447 | } | |
1448 | /* 16bit write is odd, but correct. */ | |
1449 | b43_write16(dev, B43_MMIO_PS_STATUS, 0x0002); | |
1450 | } | |
1451 | ||
1452 | static void b43_write_template_common(struct b43_wldev *dev, | |
99da185a | 1453 | const u8 *data, u16 size, |
e4d6b795 MB |
1454 | u16 ram_offset, |
1455 | u16 shm_size_offset, u8 rate) | |
1456 | { | |
1457 | u32 i, tmp; | |
1458 | struct b43_plcp_hdr4 plcp; | |
1459 | ||
1460 | plcp.data = 0; | |
1461 | b43_generate_plcp_hdr(&plcp, size + FCS_LEN, rate); | |
1462 | b43_ram_write(dev, ram_offset, le32_to_cpu(plcp.data)); | |
1463 | ram_offset += sizeof(u32); | |
1464 | /* The PLCP is 6 bytes long, but we only wrote 4 bytes, yet. | |
1465 | * So leave the first two bytes of the next write blank. | |
1466 | */ | |
1467 | tmp = (u32) (data[0]) << 16; | |
1468 | tmp |= (u32) (data[1]) << 24; | |
1469 | b43_ram_write(dev, ram_offset, tmp); | |
1470 | ram_offset += sizeof(u32); | |
1471 | for (i = 2; i < size; i += sizeof(u32)) { | |
1472 | tmp = (u32) (data[i + 0]); | |
1473 | if (i + 1 < size) | |
1474 | tmp |= (u32) (data[i + 1]) << 8; | |
1475 | if (i + 2 < size) | |
1476 | tmp |= (u32) (data[i + 2]) << 16; | |
1477 | if (i + 3 < size) | |
1478 | tmp |= (u32) (data[i + 3]) << 24; | |
1479 | b43_ram_write(dev, ram_offset + i - 2, tmp); | |
1480 | } | |
1481 | b43_shm_write16(dev, B43_SHM_SHARED, shm_size_offset, | |
1482 | size + sizeof(struct b43_plcp_hdr6)); | |
1483 | } | |
1484 | ||
5042c507 MB |
1485 | /* Check if the use of the antenna that ieee80211 told us to |
1486 | * use is possible. This will fall back to DEFAULT. | |
1487 | * "antenna_nr" is the antenna identifier we got from ieee80211. */ | |
1488 | u8 b43_ieee80211_antenna_sanitize(struct b43_wldev *dev, | |
1489 | u8 antenna_nr) | |
1490 | { | |
1491 | u8 antenna_mask; | |
1492 | ||
1493 | if (antenna_nr == 0) { | |
1494 | /* Zero means "use default antenna". That's always OK. */ | |
1495 | return 0; | |
1496 | } | |
1497 | ||
1498 | /* Get the mask of available antennas. */ | |
1499 | if (dev->phy.gmode) | |
0581483a | 1500 | antenna_mask = dev->dev->bus_sprom->ant_available_bg; |
5042c507 | 1501 | else |
0581483a | 1502 | antenna_mask = dev->dev->bus_sprom->ant_available_a; |
5042c507 MB |
1503 | |
1504 | if (!(antenna_mask & (1 << (antenna_nr - 1)))) { | |
1505 | /* This antenna is not available. Fall back to default. */ | |
1506 | return 0; | |
1507 | } | |
1508 | ||
1509 | return antenna_nr; | |
1510 | } | |
1511 | ||
5042c507 MB |
1512 | /* Convert a b43 antenna number value to the PHY TX control value. */ |
1513 | static u16 b43_antenna_to_phyctl(int antenna) | |
1514 | { | |
1515 | switch (antenna) { | |
1516 | case B43_ANTENNA0: | |
1517 | return B43_TXH_PHY_ANT0; | |
1518 | case B43_ANTENNA1: | |
1519 | return B43_TXH_PHY_ANT1; | |
1520 | case B43_ANTENNA2: | |
1521 | return B43_TXH_PHY_ANT2; | |
1522 | case B43_ANTENNA3: | |
1523 | return B43_TXH_PHY_ANT3; | |
64e368bf GS |
1524 | case B43_ANTENNA_AUTO0: |
1525 | case B43_ANTENNA_AUTO1: | |
5042c507 MB |
1526 | return B43_TXH_PHY_ANT01AUTO; |
1527 | } | |
1528 | B43_WARN_ON(1); | |
1529 | return 0; | |
1530 | } | |
1531 | ||
e4d6b795 MB |
1532 | static void b43_write_beacon_template(struct b43_wldev *dev, |
1533 | u16 ram_offset, | |
5042c507 | 1534 | u16 shm_size_offset) |
e4d6b795 | 1535 | { |
47f76ca3 | 1536 | unsigned int i, len, variable_len; |
e66fee6a MB |
1537 | const struct ieee80211_mgmt *bcn; |
1538 | const u8 *ie; | |
3db1cd5c | 1539 | bool tim_found = false; |
5042c507 MB |
1540 | unsigned int rate; |
1541 | u16 ctl; | |
1542 | int antenna; | |
e039fa4a | 1543 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(dev->wl->current_beacon); |
e4d6b795 | 1544 | |
e66fee6a | 1545 | bcn = (const struct ieee80211_mgmt *)(dev->wl->current_beacon->data); |
c8e49556 | 1546 | len = min_t(size_t, dev->wl->current_beacon->len, |
e4d6b795 | 1547 | 0x200 - sizeof(struct b43_plcp_hdr6)); |
e039fa4a | 1548 | rate = ieee80211_get_tx_rate(dev->wl->hw, info)->hw_value; |
e66fee6a MB |
1549 | |
1550 | b43_write_template_common(dev, (const u8 *)bcn, | |
e4d6b795 | 1551 | len, ram_offset, shm_size_offset, rate); |
e66fee6a | 1552 | |
5042c507 | 1553 | /* Write the PHY TX control parameters. */ |
0f4ac38b | 1554 | antenna = B43_ANTENNA_DEFAULT; |
5042c507 MB |
1555 | antenna = b43_antenna_to_phyctl(antenna); |
1556 | ctl = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL); | |
1557 | /* We can't send beacons with short preamble. Would get PHY errors. */ | |
1558 | ctl &= ~B43_TXH_PHY_SHORTPRMBL; | |
1559 | ctl &= ~B43_TXH_PHY_ANT; | |
1560 | ctl &= ~B43_TXH_PHY_ENC; | |
1561 | ctl |= antenna; | |
1562 | if (b43_is_cck_rate(rate)) | |
1563 | ctl |= B43_TXH_PHY_ENC_CCK; | |
1564 | else | |
1565 | ctl |= B43_TXH_PHY_ENC_OFDM; | |
1566 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL, ctl); | |
1567 | ||
e66fee6a MB |
1568 | /* Find the position of the TIM and the DTIM_period value |
1569 | * and write them to SHM. */ | |
1570 | ie = bcn->u.beacon.variable; | |
47f76ca3 MB |
1571 | variable_len = len - offsetof(struct ieee80211_mgmt, u.beacon.variable); |
1572 | for (i = 0; i < variable_len - 2; ) { | |
e66fee6a MB |
1573 | uint8_t ie_id, ie_len; |
1574 | ||
1575 | ie_id = ie[i]; | |
1576 | ie_len = ie[i + 1]; | |
1577 | if (ie_id == 5) { | |
1578 | u16 tim_position; | |
1579 | u16 dtim_period; | |
1580 | /* This is the TIM Information Element */ | |
1581 | ||
1582 | /* Check whether the ie_len is in the beacon data range. */ | |
47f76ca3 | 1583 | if (variable_len < ie_len + 2 + i) |
e66fee6a MB |
1584 | break; |
1585 | /* A valid TIM is at least 4 bytes long. */ | |
1586 | if (ie_len < 4) | |
1587 | break; | |
3db1cd5c | 1588 | tim_found = true; |
e66fee6a MB |
1589 | |
1590 | tim_position = sizeof(struct b43_plcp_hdr6); | |
1591 | tim_position += offsetof(struct ieee80211_mgmt, u.beacon.variable); | |
1592 | tim_position += i; | |
1593 | ||
1594 | dtim_period = ie[i + 3]; | |
1595 | ||
1596 | b43_shm_write16(dev, B43_SHM_SHARED, | |
1597 | B43_SHM_SH_TIMBPOS, tim_position); | |
1598 | b43_shm_write16(dev, B43_SHM_SHARED, | |
1599 | B43_SHM_SH_DTIMPER, dtim_period); | |
1600 | break; | |
1601 | } | |
1602 | i += ie_len + 2; | |
1603 | } | |
1604 | if (!tim_found) { | |
04dea136 JB |
1605 | /* |
1606 | * If ucode wants to modify TIM do it behind the beacon, this | |
1607 | * will happen, for example, when doing mesh networking. | |
1608 | */ | |
1609 | b43_shm_write16(dev, B43_SHM_SHARED, | |
1610 | B43_SHM_SH_TIMBPOS, | |
1611 | len + sizeof(struct b43_plcp_hdr6)); | |
1612 | b43_shm_write16(dev, B43_SHM_SHARED, | |
1613 | B43_SHM_SH_DTIMPER, 0); | |
1614 | } | |
1615 | b43dbg(dev->wl, "Updated beacon template at 0x%x\n", ram_offset); | |
e4d6b795 MB |
1616 | } |
1617 | ||
6b4bec01 MB |
1618 | static void b43_upload_beacon0(struct b43_wldev *dev) |
1619 | { | |
1620 | struct b43_wl *wl = dev->wl; | |
1621 | ||
1622 | if (wl->beacon0_uploaded) | |
1623 | return; | |
5c1da23b | 1624 | b43_write_beacon_template(dev, B43_SHM_SH_BT_BASE0, B43_SHM_SH_BTL0); |
3db1cd5c | 1625 | wl->beacon0_uploaded = true; |
6b4bec01 MB |
1626 | } |
1627 | ||
1628 | static void b43_upload_beacon1(struct b43_wldev *dev) | |
1629 | { | |
1630 | struct b43_wl *wl = dev->wl; | |
1631 | ||
1632 | if (wl->beacon1_uploaded) | |
1633 | return; | |
5c1da23b | 1634 | b43_write_beacon_template(dev, B43_SHM_SH_BT_BASE1, B43_SHM_SH_BTL1); |
3db1cd5c | 1635 | wl->beacon1_uploaded = true; |
6b4bec01 MB |
1636 | } |
1637 | ||
c97a4ccc MB |
1638 | static void handle_irq_beacon(struct b43_wldev *dev) |
1639 | { | |
1640 | struct b43_wl *wl = dev->wl; | |
1641 | u32 cmd, beacon0_valid, beacon1_valid; | |
1642 | ||
05c914fe | 1643 | if (!b43_is_mode(wl, NL80211_IFTYPE_AP) && |
8c23516f MM |
1644 | !b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT) && |
1645 | !b43_is_mode(wl, NL80211_IFTYPE_ADHOC)) | |
c97a4ccc MB |
1646 | return; |
1647 | ||
1648 | /* This is the bottom half of the asynchronous beacon update. */ | |
1649 | ||
1650 | /* Ignore interrupt in the future. */ | |
13790728 | 1651 | dev->irq_mask &= ~B43_IRQ_BEACON; |
c97a4ccc MB |
1652 | |
1653 | cmd = b43_read32(dev, B43_MMIO_MACCMD); | |
1654 | beacon0_valid = (cmd & B43_MACCMD_BEACON0_VALID); | |
1655 | beacon1_valid = (cmd & B43_MACCMD_BEACON1_VALID); | |
1656 | ||
1657 | /* Schedule interrupt manually, if busy. */ | |
1658 | if (beacon0_valid && beacon1_valid) { | |
1659 | b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, B43_IRQ_BEACON); | |
13790728 | 1660 | dev->irq_mask |= B43_IRQ_BEACON; |
c97a4ccc MB |
1661 | return; |
1662 | } | |
1663 | ||
6b4bec01 MB |
1664 | if (unlikely(wl->beacon_templates_virgin)) { |
1665 | /* We never uploaded a beacon before. | |
1666 | * Upload both templates now, but only mark one valid. */ | |
3db1cd5c | 1667 | wl->beacon_templates_virgin = false; |
6b4bec01 MB |
1668 | b43_upload_beacon0(dev); |
1669 | b43_upload_beacon1(dev); | |
c97a4ccc MB |
1670 | cmd = b43_read32(dev, B43_MMIO_MACCMD); |
1671 | cmd |= B43_MACCMD_BEACON0_VALID; | |
1672 | b43_write32(dev, B43_MMIO_MACCMD, cmd); | |
6b4bec01 MB |
1673 | } else { |
1674 | if (!beacon0_valid) { | |
1675 | b43_upload_beacon0(dev); | |
1676 | cmd = b43_read32(dev, B43_MMIO_MACCMD); | |
1677 | cmd |= B43_MACCMD_BEACON0_VALID; | |
1678 | b43_write32(dev, B43_MMIO_MACCMD, cmd); | |
1679 | } else if (!beacon1_valid) { | |
1680 | b43_upload_beacon1(dev); | |
1681 | cmd = b43_read32(dev, B43_MMIO_MACCMD); | |
1682 | cmd |= B43_MACCMD_BEACON1_VALID; | |
1683 | b43_write32(dev, B43_MMIO_MACCMD, cmd); | |
c97a4ccc | 1684 | } |
c97a4ccc MB |
1685 | } |
1686 | } | |
1687 | ||
36dbd954 MB |
1688 | static void b43_do_beacon_update_trigger_work(struct b43_wldev *dev) |
1689 | { | |
1690 | u32 old_irq_mask = dev->irq_mask; | |
1691 | ||
1692 | /* update beacon right away or defer to irq */ | |
1693 | handle_irq_beacon(dev); | |
1694 | if (old_irq_mask != dev->irq_mask) { | |
1695 | /* The handler updated the IRQ mask. */ | |
1696 | B43_WARN_ON(!dev->irq_mask); | |
1697 | if (b43_read32(dev, B43_MMIO_GEN_IRQ_MASK)) { | |
1698 | b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, dev->irq_mask); | |
1699 | } else { | |
1700 | /* Device interrupts are currently disabled. That means | |
1701 | * we just ran the hardirq handler and scheduled the | |
1702 | * IRQ thread. The thread will write the IRQ mask when | |
1703 | * it finished, so there's nothing to do here. Writing | |
1704 | * the mask _here_ would incorrectly re-enable IRQs. */ | |
1705 | } | |
1706 | } | |
1707 | } | |
1708 | ||
a82d9922 MB |
1709 | static void b43_beacon_update_trigger_work(struct work_struct *work) |
1710 | { | |
1711 | struct b43_wl *wl = container_of(work, struct b43_wl, | |
1712 | beacon_update_trigger); | |
1713 | struct b43_wldev *dev; | |
1714 | ||
1715 | mutex_lock(&wl->mutex); | |
1716 | dev = wl->current_dev; | |
1717 | if (likely(dev && (b43_status(dev) >= B43_STAT_INITIALIZED))) { | |
505fb019 | 1718 | if (b43_bus_host_is_sdio(dev->dev)) { |
36dbd954 MB |
1719 | /* wl->mutex is enough. */ |
1720 | b43_do_beacon_update_trigger_work(dev); | |
1721 | mmiowb(); | |
1722 | } else { | |
1723 | spin_lock_irq(&wl->hardirq_lock); | |
1724 | b43_do_beacon_update_trigger_work(dev); | |
1725 | mmiowb(); | |
1726 | spin_unlock_irq(&wl->hardirq_lock); | |
1727 | } | |
a82d9922 MB |
1728 | } |
1729 | mutex_unlock(&wl->mutex); | |
1730 | } | |
1731 | ||
d4df6f1a | 1732 | /* Asynchronously update the packet templates in template RAM. |
36dbd954 | 1733 | * Locking: Requires wl->mutex to be locked. */ |
9d139c81 | 1734 | static void b43_update_templates(struct b43_wl *wl) |
e4d6b795 | 1735 | { |
9d139c81 JB |
1736 | struct sk_buff *beacon; |
1737 | ||
e66fee6a MB |
1738 | /* This is the top half of the ansynchronous beacon update. |
1739 | * The bottom half is the beacon IRQ. | |
1740 | * Beacon update must be asynchronous to avoid sending an | |
1741 | * invalid beacon. This can happen for example, if the firmware | |
1742 | * transmits a beacon while we are updating it. */ | |
e4d6b795 | 1743 | |
9d139c81 JB |
1744 | /* We could modify the existing beacon and set the aid bit in |
1745 | * the TIM field, but that would probably require resizing and | |
1746 | * moving of data within the beacon template. | |
1747 | * Simply request a new beacon and let mac80211 do the hard work. */ | |
1748 | beacon = ieee80211_beacon_get(wl->hw, wl->vif); | |
1749 | if (unlikely(!beacon)) | |
1750 | return; | |
1751 | ||
e66fee6a MB |
1752 | if (wl->current_beacon) |
1753 | dev_kfree_skb_any(wl->current_beacon); | |
1754 | wl->current_beacon = beacon; | |
3db1cd5c RR |
1755 | wl->beacon0_uploaded = false; |
1756 | wl->beacon1_uploaded = false; | |
42935eca | 1757 | ieee80211_queue_work(wl->hw, &wl->beacon_update_trigger); |
e4d6b795 MB |
1758 | } |
1759 | ||
e4d6b795 MB |
1760 | static void b43_set_beacon_int(struct b43_wldev *dev, u16 beacon_int) |
1761 | { | |
1762 | b43_time_lock(dev); | |
21d889d4 | 1763 | if (dev->dev->core_rev >= 3) { |
a82d9922 MB |
1764 | b43_write32(dev, B43_MMIO_TSF_CFP_REP, (beacon_int << 16)); |
1765 | b43_write32(dev, B43_MMIO_TSF_CFP_START, (beacon_int << 10)); | |
e4d6b795 MB |
1766 | } else { |
1767 | b43_write16(dev, 0x606, (beacon_int >> 6)); | |
1768 | b43_write16(dev, 0x610, beacon_int); | |
1769 | } | |
1770 | b43_time_unlock(dev); | |
a82d9922 | 1771 | b43dbg(dev->wl, "Set beacon interval to %u\n", beacon_int); |
e4d6b795 MB |
1772 | } |
1773 | ||
afa83e23 MB |
1774 | static void b43_handle_firmware_panic(struct b43_wldev *dev) |
1775 | { | |
1776 | u16 reason; | |
1777 | ||
1778 | /* Read the register that contains the reason code for the panic. */ | |
1779 | reason = b43_shm_read16(dev, B43_SHM_SCRATCH, B43_FWPANIC_REASON_REG); | |
1780 | b43err(dev->wl, "Whoopsy, firmware panic! Reason: %u\n", reason); | |
1781 | ||
1782 | switch (reason) { | |
1783 | default: | |
1784 | b43dbg(dev->wl, "The panic reason is unknown.\n"); | |
1785 | /* fallthrough */ | |
1786 | case B43_FWPANIC_DIE: | |
1787 | /* Do not restart the controller or firmware. | |
1788 | * The device is nonfunctional from now on. | |
1789 | * Restarting would result in this panic to trigger again, | |
1790 | * so we avoid that recursion. */ | |
1791 | break; | |
1792 | case B43_FWPANIC_RESTART: | |
1793 | b43_controller_restart(dev, "Microcode panic"); | |
1794 | break; | |
1795 | } | |
1796 | } | |
1797 | ||
e4d6b795 MB |
1798 | static void handle_irq_ucode_debug(struct b43_wldev *dev) |
1799 | { | |
e48b0eeb | 1800 | unsigned int i, cnt; |
53c06856 | 1801 | u16 reason, marker_id, marker_line; |
e48b0eeb MB |
1802 | __le16 *buf; |
1803 | ||
1804 | /* The proprietary firmware doesn't have this IRQ. */ | |
1805 | if (!dev->fw.opensource) | |
1806 | return; | |
1807 | ||
afa83e23 MB |
1808 | /* Read the register that contains the reason code for this IRQ. */ |
1809 | reason = b43_shm_read16(dev, B43_SHM_SCRATCH, B43_DEBUGIRQ_REASON_REG); | |
1810 | ||
e48b0eeb MB |
1811 | switch (reason) { |
1812 | case B43_DEBUGIRQ_PANIC: | |
afa83e23 | 1813 | b43_handle_firmware_panic(dev); |
e48b0eeb MB |
1814 | break; |
1815 | case B43_DEBUGIRQ_DUMP_SHM: | |
1816 | if (!B43_DEBUG) | |
1817 | break; /* Only with driver debugging enabled. */ | |
1818 | buf = kmalloc(4096, GFP_ATOMIC); | |
1819 | if (!buf) { | |
1820 | b43dbg(dev->wl, "SHM-dump: Failed to allocate memory\n"); | |
1821 | goto out; | |
1822 | } | |
1823 | for (i = 0; i < 4096; i += 2) { | |
1824 | u16 tmp = b43_shm_read16(dev, B43_SHM_SHARED, i); | |
1825 | buf[i / 2] = cpu_to_le16(tmp); | |
1826 | } | |
1827 | b43info(dev->wl, "Shared memory dump:\n"); | |
1828 | print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, | |
1829 | 16, 2, buf, 4096, 1); | |
1830 | kfree(buf); | |
1831 | break; | |
1832 | case B43_DEBUGIRQ_DUMP_REGS: | |
1833 | if (!B43_DEBUG) | |
1834 | break; /* Only with driver debugging enabled. */ | |
1835 | b43info(dev->wl, "Microcode register dump:\n"); | |
1836 | for (i = 0, cnt = 0; i < 64; i++) { | |
1837 | u16 tmp = b43_shm_read16(dev, B43_SHM_SCRATCH, i); | |
1838 | if (cnt == 0) | |
1839 | printk(KERN_INFO); | |
1840 | printk("r%02u: 0x%04X ", i, tmp); | |
1841 | cnt++; | |
1842 | if (cnt == 6) { | |
1843 | printk("\n"); | |
1844 | cnt = 0; | |
1845 | } | |
1846 | } | |
1847 | printk("\n"); | |
1848 | break; | |
53c06856 MB |
1849 | case B43_DEBUGIRQ_MARKER: |
1850 | if (!B43_DEBUG) | |
1851 | break; /* Only with driver debugging enabled. */ | |
1852 | marker_id = b43_shm_read16(dev, B43_SHM_SCRATCH, | |
1853 | B43_MARKER_ID_REG); | |
1854 | marker_line = b43_shm_read16(dev, B43_SHM_SCRATCH, | |
1855 | B43_MARKER_LINE_REG); | |
1856 | b43info(dev->wl, "The firmware just executed the MARKER(%u) " | |
1857 | "at line number %u\n", | |
1858 | marker_id, marker_line); | |
1859 | break; | |
e48b0eeb MB |
1860 | default: |
1861 | b43dbg(dev->wl, "Debug-IRQ triggered for unknown reason: %u\n", | |
1862 | reason); | |
1863 | } | |
1864 | out: | |
afa83e23 MB |
1865 | /* Acknowledge the debug-IRQ, so the firmware can continue. */ |
1866 | b43_shm_write16(dev, B43_SHM_SCRATCH, | |
1867 | B43_DEBUGIRQ_REASON_REG, B43_DEBUGIRQ_ACK); | |
e4d6b795 MB |
1868 | } |
1869 | ||
36dbd954 | 1870 | static void b43_do_interrupt_thread(struct b43_wldev *dev) |
e4d6b795 MB |
1871 | { |
1872 | u32 reason; | |
1873 | u32 dma_reason[ARRAY_SIZE(dev->dma_reason)]; | |
1874 | u32 merged_dma_reason = 0; | |
21954c36 | 1875 | int i; |
e4d6b795 | 1876 | |
36dbd954 MB |
1877 | if (unlikely(b43_status(dev) != B43_STAT_STARTED)) |
1878 | return; | |
e4d6b795 MB |
1879 | |
1880 | reason = dev->irq_reason; | |
1881 | for (i = 0; i < ARRAY_SIZE(dma_reason); i++) { | |
1882 | dma_reason[i] = dev->dma_reason[i]; | |
1883 | merged_dma_reason |= dma_reason[i]; | |
1884 | } | |
1885 | ||
1886 | if (unlikely(reason & B43_IRQ_MAC_TXERR)) | |
1887 | b43err(dev->wl, "MAC transmission error\n"); | |
1888 | ||
00e0b8cb | 1889 | if (unlikely(reason & B43_IRQ_PHY_TXERR)) { |
e4d6b795 | 1890 | b43err(dev->wl, "PHY transmission error\n"); |
00e0b8cb SB |
1891 | rmb(); |
1892 | if (unlikely(atomic_dec_and_test(&dev->phy.txerr_cnt))) { | |
1893 | atomic_set(&dev->phy.txerr_cnt, | |
1894 | B43_PHY_TX_BADNESS_LIMIT); | |
1895 | b43err(dev->wl, "Too many PHY TX errors, " | |
1896 | "restarting the controller\n"); | |
1897 | b43_controller_restart(dev, "PHY TX errors"); | |
1898 | } | |
1899 | } | |
e4d6b795 | 1900 | |
73b82bf0 TJ |
1901 | if (unlikely(merged_dma_reason & (B43_DMAIRQ_FATALMASK))) { |
1902 | b43err(dev->wl, | |
1903 | "Fatal DMA error: 0x%08X, 0x%08X, 0x%08X, 0x%08X, 0x%08X, 0x%08X\n", | |
1904 | dma_reason[0], dma_reason[1], | |
1905 | dma_reason[2], dma_reason[3], | |
1906 | dma_reason[4], dma_reason[5]); | |
1907 | b43err(dev->wl, "This device does not support DMA " | |
bb64d95e | 1908 | "on your system. It will now be switched to PIO.\n"); |
73b82bf0 TJ |
1909 | /* Fall back to PIO transfers if we get fatal DMA errors! */ |
1910 | dev->use_pio = true; | |
1911 | b43_controller_restart(dev, "DMA error"); | |
1912 | return; | |
e4d6b795 MB |
1913 | } |
1914 | ||
1915 | if (unlikely(reason & B43_IRQ_UCODE_DEBUG)) | |
1916 | handle_irq_ucode_debug(dev); | |
1917 | if (reason & B43_IRQ_TBTT_INDI) | |
1918 | handle_irq_tbtt_indication(dev); | |
1919 | if (reason & B43_IRQ_ATIM_END) | |
1920 | handle_irq_atim_end(dev); | |
1921 | if (reason & B43_IRQ_BEACON) | |
1922 | handle_irq_beacon(dev); | |
1923 | if (reason & B43_IRQ_PMQ) | |
1924 | handle_irq_pmq(dev); | |
21954c36 MB |
1925 | if (reason & B43_IRQ_TXFIFO_FLUSH_OK) |
1926 | ;/* TODO */ | |
1927 | if (reason & B43_IRQ_NOISESAMPLE_OK) | |
e4d6b795 MB |
1928 | handle_irq_noise(dev); |
1929 | ||
1930 | /* Check the DMA reason registers for received data. */ | |
73b82bf0 TJ |
1931 | if (dma_reason[0] & B43_DMAIRQ_RDESC_UFLOW) { |
1932 | if (B43_DEBUG) | |
1933 | b43warn(dev->wl, "RX descriptor underrun\n"); | |
1934 | b43_dma_handle_rx_overflow(dev->dma.rx_ring); | |
1935 | } | |
5100d5ac MB |
1936 | if (dma_reason[0] & B43_DMAIRQ_RX_DONE) { |
1937 | if (b43_using_pio_transfers(dev)) | |
1938 | b43_pio_rx(dev->pio.rx_queue); | |
1939 | else | |
1940 | b43_dma_rx(dev->dma.rx_ring); | |
1941 | } | |
e4d6b795 MB |
1942 | B43_WARN_ON(dma_reason[1] & B43_DMAIRQ_RX_DONE); |
1943 | B43_WARN_ON(dma_reason[2] & B43_DMAIRQ_RX_DONE); | |
b27faf8e | 1944 | B43_WARN_ON(dma_reason[3] & B43_DMAIRQ_RX_DONE); |
e4d6b795 MB |
1945 | B43_WARN_ON(dma_reason[4] & B43_DMAIRQ_RX_DONE); |
1946 | B43_WARN_ON(dma_reason[5] & B43_DMAIRQ_RX_DONE); | |
1947 | ||
21954c36 | 1948 | if (reason & B43_IRQ_TX_OK) |
e4d6b795 | 1949 | handle_irq_transmit_status(dev); |
e4d6b795 | 1950 | |
36dbd954 | 1951 | /* Re-enable interrupts on the device by restoring the current interrupt mask. */ |
13790728 | 1952 | b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, dev->irq_mask); |
990b86f4 MB |
1953 | |
1954 | #if B43_DEBUG | |
1955 | if (b43_debug(dev, B43_DBG_VERBOSESTATS)) { | |
1956 | dev->irq_count++; | |
1957 | for (i = 0; i < ARRAY_SIZE(dev->irq_bit_count); i++) { | |
1958 | if (reason & (1 << i)) | |
1959 | dev->irq_bit_count[i]++; | |
1960 | } | |
1961 | } | |
1962 | #endif | |
e4d6b795 MB |
1963 | } |
1964 | ||
36dbd954 MB |
1965 | /* Interrupt thread handler. Handles device interrupts in thread context. */ |
1966 | static irqreturn_t b43_interrupt_thread_handler(int irq, void *dev_id) | |
e4d6b795 | 1967 | { |
36dbd954 | 1968 | struct b43_wldev *dev = dev_id; |
e4d6b795 | 1969 | |
36dbd954 MB |
1970 | mutex_lock(&dev->wl->mutex); |
1971 | b43_do_interrupt_thread(dev); | |
1972 | mmiowb(); | |
1973 | mutex_unlock(&dev->wl->mutex); | |
1974 | ||
1975 | return IRQ_HANDLED; | |
e4d6b795 MB |
1976 | } |
1977 | ||
36dbd954 | 1978 | static irqreturn_t b43_do_interrupt(struct b43_wldev *dev) |
e4d6b795 | 1979 | { |
e4d6b795 MB |
1980 | u32 reason; |
1981 | ||
36dbd954 MB |
1982 | /* This code runs under wl->hardirq_lock, but _only_ on non-SDIO busses. |
1983 | * On SDIO, this runs under wl->mutex. */ | |
e4d6b795 | 1984 | |
e4d6b795 MB |
1985 | reason = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); |
1986 | if (reason == 0xffffffff) /* shared IRQ */ | |
36dbd954 | 1987 | return IRQ_NONE; |
13790728 | 1988 | reason &= dev->irq_mask; |
e4d6b795 | 1989 | if (!reason) |
cae56147 | 1990 | return IRQ_NONE; |
e4d6b795 MB |
1991 | |
1992 | dev->dma_reason[0] = b43_read32(dev, B43_MMIO_DMA0_REASON) | |
73b82bf0 | 1993 | & 0x0001FC00; |
e4d6b795 MB |
1994 | dev->dma_reason[1] = b43_read32(dev, B43_MMIO_DMA1_REASON) |
1995 | & 0x0000DC00; | |
1996 | dev->dma_reason[2] = b43_read32(dev, B43_MMIO_DMA2_REASON) | |
1997 | & 0x0000DC00; | |
1998 | dev->dma_reason[3] = b43_read32(dev, B43_MMIO_DMA3_REASON) | |
1999 | & 0x0001DC00; | |
2000 | dev->dma_reason[4] = b43_read32(dev, B43_MMIO_DMA4_REASON) | |
2001 | & 0x0000DC00; | |
13790728 | 2002 | /* Unused ring |
e4d6b795 MB |
2003 | dev->dma_reason[5] = b43_read32(dev, B43_MMIO_DMA5_REASON) |
2004 | & 0x0000DC00; | |
13790728 | 2005 | */ |
e4d6b795 | 2006 | |
36dbd954 MB |
2007 | /* ACK the interrupt. */ |
2008 | b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, reason); | |
2009 | b43_write32(dev, B43_MMIO_DMA0_REASON, dev->dma_reason[0]); | |
2010 | b43_write32(dev, B43_MMIO_DMA1_REASON, dev->dma_reason[1]); | |
2011 | b43_write32(dev, B43_MMIO_DMA2_REASON, dev->dma_reason[2]); | |
2012 | b43_write32(dev, B43_MMIO_DMA3_REASON, dev->dma_reason[3]); | |
2013 | b43_write32(dev, B43_MMIO_DMA4_REASON, dev->dma_reason[4]); | |
2014 | /* Unused ring | |
2015 | b43_write32(dev, B43_MMIO_DMA5_REASON, dev->dma_reason[5]); | |
2016 | */ | |
2017 | ||
2018 | /* Disable IRQs on the device. The IRQ thread handler will re-enable them. */ | |
13790728 | 2019 | b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, 0); |
36dbd954 | 2020 | /* Save the reason bitmasks for the IRQ thread handler. */ |
e4d6b795 | 2021 | dev->irq_reason = reason; |
36dbd954 MB |
2022 | |
2023 | return IRQ_WAKE_THREAD; | |
2024 | } | |
2025 | ||
2026 | /* Interrupt handler top-half. This runs with interrupts disabled. */ | |
2027 | static irqreturn_t b43_interrupt_handler(int irq, void *dev_id) | |
2028 | { | |
2029 | struct b43_wldev *dev = dev_id; | |
2030 | irqreturn_t ret; | |
2031 | ||
2032 | if (unlikely(b43_status(dev) < B43_STAT_STARTED)) | |
2033 | return IRQ_NONE; | |
2034 | ||
2035 | spin_lock(&dev->wl->hardirq_lock); | |
2036 | ret = b43_do_interrupt(dev); | |
e4d6b795 | 2037 | mmiowb(); |
36dbd954 | 2038 | spin_unlock(&dev->wl->hardirq_lock); |
e4d6b795 MB |
2039 | |
2040 | return ret; | |
2041 | } | |
2042 | ||
3dbba8e2 AH |
2043 | /* SDIO interrupt handler. This runs in process context. */ |
2044 | static void b43_sdio_interrupt_handler(struct b43_wldev *dev) | |
2045 | { | |
2046 | struct b43_wl *wl = dev->wl; | |
3dbba8e2 AH |
2047 | irqreturn_t ret; |
2048 | ||
3dbba8e2 | 2049 | mutex_lock(&wl->mutex); |
3dbba8e2 AH |
2050 | |
2051 | ret = b43_do_interrupt(dev); | |
2052 | if (ret == IRQ_WAKE_THREAD) | |
2053 | b43_do_interrupt_thread(dev); | |
2054 | ||
3dbba8e2 AH |
2055 | mutex_unlock(&wl->mutex); |
2056 | } | |
2057 | ||
1a9f5093 | 2058 | void b43_do_release_fw(struct b43_firmware_file *fw) |
61cb5dd6 MB |
2059 | { |
2060 | release_firmware(fw->data); | |
2061 | fw->data = NULL; | |
2062 | fw->filename = NULL; | |
2063 | } | |
2064 | ||
e4d6b795 MB |
2065 | static void b43_release_firmware(struct b43_wldev *dev) |
2066 | { | |
0673effd | 2067 | complete(&dev->fw_load_complete); |
1a9f5093 MB |
2068 | b43_do_release_fw(&dev->fw.ucode); |
2069 | b43_do_release_fw(&dev->fw.pcm); | |
2070 | b43_do_release_fw(&dev->fw.initvals); | |
2071 | b43_do_release_fw(&dev->fw.initvals_band); | |
e4d6b795 MB |
2072 | } |
2073 | ||
eb189d8b | 2074 | static void b43_print_fw_helptext(struct b43_wl *wl, bool error) |
e4d6b795 | 2075 | { |
fc68ed4f HE |
2076 | const char text[] = |
2077 | "You must go to " \ | |
2078 | "http://wireless.kernel.org/en/users/Drivers/b43#devicefirmware " \ | |
2079 | "and download the correct firmware for this driver version. " \ | |
2080 | "Please carefully read all instructions on this website.\n"; | |
eb189d8b | 2081 | |
eb189d8b MB |
2082 | if (error) |
2083 | b43err(wl, text); | |
2084 | else | |
2085 | b43warn(wl, text); | |
e4d6b795 MB |
2086 | } |
2087 | ||
5e20a4b5 LF |
2088 | static void b43_fw_cb(const struct firmware *firmware, void *context) |
2089 | { | |
2090 | struct b43_request_fw_context *ctx = context; | |
2091 | ||
2092 | ctx->blob = firmware; | |
0673effd | 2093 | complete(&ctx->dev->fw_load_complete); |
5e20a4b5 LF |
2094 | } |
2095 | ||
1a9f5093 MB |
2096 | int b43_do_request_fw(struct b43_request_fw_context *ctx, |
2097 | const char *name, | |
5e20a4b5 | 2098 | struct b43_firmware_file *fw, bool async) |
e4d6b795 | 2099 | { |
e4d6b795 MB |
2100 | struct b43_fw_header *hdr; |
2101 | u32 size; | |
2102 | int err; | |
2103 | ||
61cb5dd6 MB |
2104 | if (!name) { |
2105 | /* Don't fetch anything. Free possibly cached firmware. */ | |
1a9f5093 MB |
2106 | /* FIXME: We should probably keep it anyway, to save some headache |
2107 | * on suspend/resume with multiband devices. */ | |
2108 | b43_do_release_fw(fw); | |
e4d6b795 | 2109 | return 0; |
61cb5dd6 MB |
2110 | } |
2111 | if (fw->filename) { | |
1a9f5093 MB |
2112 | if ((fw->type == ctx->req_type) && |
2113 | (strcmp(fw->filename, name) == 0)) | |
61cb5dd6 MB |
2114 | return 0; /* Already have this fw. */ |
2115 | /* Free the cached firmware first. */ | |
1a9f5093 MB |
2116 | /* FIXME: We should probably do this later after we successfully |
2117 | * got the new fw. This could reduce headache with multiband devices. | |
2118 | * We could also redesign this to cache the firmware for all possible | |
2119 | * bands all the time. */ | |
2120 | b43_do_release_fw(fw); | |
61cb5dd6 | 2121 | } |
e4d6b795 | 2122 | |
1a9f5093 MB |
2123 | switch (ctx->req_type) { |
2124 | case B43_FWTYPE_PROPRIETARY: | |
2125 | snprintf(ctx->fwname, sizeof(ctx->fwname), | |
2126 | "b43%s/%s.fw", | |
2127 | modparam_fwpostfix, name); | |
2128 | break; | |
2129 | case B43_FWTYPE_OPENSOURCE: | |
2130 | snprintf(ctx->fwname, sizeof(ctx->fwname), | |
2131 | "b43-open%s/%s.fw", | |
2132 | modparam_fwpostfix, name); | |
2133 | break; | |
2134 | default: | |
2135 | B43_WARN_ON(1); | |
2136 | return -ENOSYS; | |
2137 | } | |
5e20a4b5 LF |
2138 | if (async) { |
2139 | /* do this part asynchronously */ | |
0673effd | 2140 | init_completion(&ctx->dev->fw_load_complete); |
5e20a4b5 LF |
2141 | err = request_firmware_nowait(THIS_MODULE, 1, ctx->fwname, |
2142 | ctx->dev->dev->dev, GFP_KERNEL, | |
2143 | ctx, b43_fw_cb); | |
2144 | if (err < 0) { | |
2145 | pr_err("Unable to load firmware\n"); | |
2146 | return err; | |
2147 | } | |
0673effd | 2148 | wait_for_completion(&ctx->dev->fw_load_complete); |
5e20a4b5 LF |
2149 | if (ctx->blob) |
2150 | goto fw_ready; | |
2151 | /* On some ARM systems, the async request will fail, but the next sync | |
0673effd | 2152 | * request works. For this reason, we fall through here |
5e20a4b5 LF |
2153 | */ |
2154 | } | |
2155 | err = request_firmware(&ctx->blob, ctx->fwname, | |
2156 | ctx->dev->dev->dev); | |
68217832 | 2157 | if (err == -ENOENT) { |
1a9f5093 MB |
2158 | snprintf(ctx->errors[ctx->req_type], |
2159 | sizeof(ctx->errors[ctx->req_type]), | |
5e20a4b5 LF |
2160 | "Firmware file \"%s\" not found\n", |
2161 | ctx->fwname); | |
68217832 MB |
2162 | return err; |
2163 | } else if (err) { | |
1a9f5093 MB |
2164 | snprintf(ctx->errors[ctx->req_type], |
2165 | sizeof(ctx->errors[ctx->req_type]), | |
2166 | "Firmware file \"%s\" request failed (err=%d)\n", | |
2167 | ctx->fwname, err); | |
e4d6b795 MB |
2168 | return err; |
2169 | } | |
5e20a4b5 LF |
2170 | fw_ready: |
2171 | if (ctx->blob->size < sizeof(struct b43_fw_header)) | |
e4d6b795 | 2172 | goto err_format; |
5e20a4b5 | 2173 | hdr = (struct b43_fw_header *)(ctx->blob->data); |
e4d6b795 MB |
2174 | switch (hdr->type) { |
2175 | case B43_FW_TYPE_UCODE: | |
2176 | case B43_FW_TYPE_PCM: | |
2177 | size = be32_to_cpu(hdr->size); | |
5e20a4b5 | 2178 | if (size != ctx->blob->size - sizeof(struct b43_fw_header)) |
e4d6b795 MB |
2179 | goto err_format; |
2180 | /* fallthrough */ | |
2181 | case B43_FW_TYPE_IV: | |
2182 | if (hdr->ver != 1) | |
2183 | goto err_format; | |
2184 | break; | |
2185 | default: | |
2186 | goto err_format; | |
2187 | } | |
2188 | ||
5e20a4b5 | 2189 | fw->data = ctx->blob; |
61cb5dd6 | 2190 | fw->filename = name; |
1a9f5093 | 2191 | fw->type = ctx->req_type; |
61cb5dd6 MB |
2192 | |
2193 | return 0; | |
e4d6b795 MB |
2194 | |
2195 | err_format: | |
1a9f5093 MB |
2196 | snprintf(ctx->errors[ctx->req_type], |
2197 | sizeof(ctx->errors[ctx->req_type]), | |
2198 | "Firmware file \"%s\" format error.\n", ctx->fwname); | |
5e20a4b5 | 2199 | release_firmware(ctx->blob); |
61cb5dd6 | 2200 | |
e4d6b795 MB |
2201 | return -EPROTO; |
2202 | } | |
2203 | ||
1a9f5093 | 2204 | static int b43_try_request_fw(struct b43_request_fw_context *ctx) |
e4d6b795 | 2205 | { |
1a9f5093 MB |
2206 | struct b43_wldev *dev = ctx->dev; |
2207 | struct b43_firmware *fw = &ctx->dev->fw; | |
21d889d4 | 2208 | const u8 rev = ctx->dev->dev->core_rev; |
e4d6b795 MB |
2209 | const char *filename; |
2210 | u32 tmshigh; | |
2211 | int err; | |
2212 | ||
8b9bda75 RM |
2213 | /* Files for HT and LCN were found by trying one by one */ |
2214 | ||
61cb5dd6 | 2215 | /* Get microcode */ |
6ff1e5cf | 2216 | if ((rev >= 5) && (rev <= 10)) { |
61cb5dd6 | 2217 | filename = "ucode5"; |
6ff1e5cf | 2218 | } else if ((rev >= 11) && (rev <= 12)) { |
61cb5dd6 | 2219 | filename = "ucode11"; |
6ff1e5cf | 2220 | } else if (rev == 13) { |
61cb5dd6 | 2221 | filename = "ucode13"; |
6ff1e5cf | 2222 | } else if (rev == 14) { |
759b973b | 2223 | filename = "ucode14"; |
6ff1e5cf | 2224 | } else if (rev == 15) { |
759b973b | 2225 | filename = "ucode15"; |
6ff1e5cf RM |
2226 | } else { |
2227 | switch (dev->phy.type) { | |
2228 | case B43_PHYTYPE_N: | |
2229 | if (rev >= 16) | |
2230 | filename = "ucode16_mimo"; | |
2231 | else | |
2232 | goto err_no_ucode; | |
2233 | break; | |
8b9bda75 RM |
2234 | case B43_PHYTYPE_HT: |
2235 | if (rev == 29) | |
2236 | filename = "ucode29_mimo"; | |
2237 | else | |
2238 | goto err_no_ucode; | |
2239 | break; | |
2240 | case B43_PHYTYPE_LCN: | |
2241 | if (rev == 24) | |
2242 | filename = "ucode24_mimo"; | |
2243 | else | |
2244 | goto err_no_ucode; | |
2245 | break; | |
6ff1e5cf RM |
2246 | default: |
2247 | goto err_no_ucode; | |
2248 | } | |
2249 | } | |
5e20a4b5 | 2250 | err = b43_do_request_fw(ctx, filename, &fw->ucode, true); |
61cb5dd6 MB |
2251 | if (err) |
2252 | goto err_load; | |
2253 | ||
2254 | /* Get PCM code */ | |
2255 | if ((rev >= 5) && (rev <= 10)) | |
2256 | filename = "pcm5"; | |
2257 | else if (rev >= 11) | |
2258 | filename = NULL; | |
2259 | else | |
2260 | goto err_no_pcm; | |
3db1cd5c | 2261 | fw->pcm_request_failed = false; |
5e20a4b5 | 2262 | err = b43_do_request_fw(ctx, filename, &fw->pcm, false); |
68217832 MB |
2263 | if (err == -ENOENT) { |
2264 | /* We did not find a PCM file? Not fatal, but | |
2265 | * core rev <= 10 must do without hwcrypto then. */ | |
3db1cd5c | 2266 | fw->pcm_request_failed = true; |
68217832 | 2267 | } else if (err) |
61cb5dd6 MB |
2268 | goto err_load; |
2269 | ||
2270 | /* Get initvals */ | |
2271 | switch (dev->phy.type) { | |
2272 | case B43_PHYTYPE_A: | |
2273 | if ((rev >= 5) && (rev <= 10)) { | |
d48ae5c8 | 2274 | tmshigh = ssb_read32(dev->dev->sdev, SSB_TMSHIGH); |
61cb5dd6 MB |
2275 | if (tmshigh & B43_TMSHIGH_HAVE_2GHZ_PHY) |
2276 | filename = "a0g1initvals5"; | |
2277 | else | |
2278 | filename = "a0g0initvals5"; | |
2279 | } else | |
2280 | goto err_no_initvals; | |
2281 | break; | |
2282 | case B43_PHYTYPE_G: | |
e4d6b795 | 2283 | if ((rev >= 5) && (rev <= 10)) |
61cb5dd6 | 2284 | filename = "b0g0initvals5"; |
e4d6b795 | 2285 | else if (rev >= 13) |
e9304882 | 2286 | filename = "b0g0initvals13"; |
e4d6b795 | 2287 | else |
61cb5dd6 MB |
2288 | goto err_no_initvals; |
2289 | break; | |
2290 | case B43_PHYTYPE_N: | |
e41596a1 RM |
2291 | if (rev >= 16) |
2292 | filename = "n0initvals16"; | |
2293 | else if ((rev >= 11) && (rev <= 12)) | |
61cb5dd6 MB |
2294 | filename = "n0initvals11"; |
2295 | else | |
2296 | goto err_no_initvals; | |
2297 | break; | |
759b973b GS |
2298 | case B43_PHYTYPE_LP: |
2299 | if (rev == 13) | |
2300 | filename = "lp0initvals13"; | |
2301 | else if (rev == 14) | |
2302 | filename = "lp0initvals14"; | |
2303 | else if (rev >= 15) | |
2304 | filename = "lp0initvals15"; | |
2305 | else | |
2306 | goto err_no_initvals; | |
2307 | break; | |
8b9bda75 RM |
2308 | case B43_PHYTYPE_HT: |
2309 | if (rev == 29) | |
2310 | filename = "ht0initvals29"; | |
2311 | else | |
2312 | goto err_no_initvals; | |
2313 | break; | |
2314 | case B43_PHYTYPE_LCN: | |
2315 | if (rev == 24) | |
2316 | filename = "lcn0initvals24"; | |
2317 | else | |
2318 | goto err_no_initvals; | |
2319 | break; | |
61cb5dd6 MB |
2320 | default: |
2321 | goto err_no_initvals; | |
e4d6b795 | 2322 | } |
5e20a4b5 | 2323 | err = b43_do_request_fw(ctx, filename, &fw->initvals, false); |
61cb5dd6 MB |
2324 | if (err) |
2325 | goto err_load; | |
2326 | ||
2327 | /* Get bandswitch initvals */ | |
2328 | switch (dev->phy.type) { | |
2329 | case B43_PHYTYPE_A: | |
2330 | if ((rev >= 5) && (rev <= 10)) { | |
d48ae5c8 | 2331 | tmshigh = ssb_read32(dev->dev->sdev, SSB_TMSHIGH); |
61cb5dd6 MB |
2332 | if (tmshigh & B43_TMSHIGH_HAVE_2GHZ_PHY) |
2333 | filename = "a0g1bsinitvals5"; | |
2334 | else | |
2335 | filename = "a0g0bsinitvals5"; | |
2336 | } else if (rev >= 11) | |
2337 | filename = NULL; | |
2338 | else | |
2339 | goto err_no_initvals; | |
2340 | break; | |
2341 | case B43_PHYTYPE_G: | |
e4d6b795 | 2342 | if ((rev >= 5) && (rev <= 10)) |
61cb5dd6 | 2343 | filename = "b0g0bsinitvals5"; |
e4d6b795 MB |
2344 | else if (rev >= 11) |
2345 | filename = NULL; | |
2346 | else | |
e4d6b795 | 2347 | goto err_no_initvals; |
61cb5dd6 MB |
2348 | break; |
2349 | case B43_PHYTYPE_N: | |
e41596a1 RM |
2350 | if (rev >= 16) |
2351 | filename = "n0bsinitvals16"; | |
2352 | else if ((rev >= 11) && (rev <= 12)) | |
61cb5dd6 MB |
2353 | filename = "n0bsinitvals11"; |
2354 | else | |
e4d6b795 | 2355 | goto err_no_initvals; |
61cb5dd6 | 2356 | break; |
759b973b GS |
2357 | case B43_PHYTYPE_LP: |
2358 | if (rev == 13) | |
2359 | filename = "lp0bsinitvals13"; | |
2360 | else if (rev == 14) | |
2361 | filename = "lp0bsinitvals14"; | |
2362 | else if (rev >= 15) | |
2363 | filename = "lp0bsinitvals15"; | |
2364 | else | |
2365 | goto err_no_initvals; | |
2366 | break; | |
8b9bda75 RM |
2367 | case B43_PHYTYPE_HT: |
2368 | if (rev == 29) | |
2369 | filename = "ht0bsinitvals29"; | |
2370 | else | |
2371 | goto err_no_initvals; | |
2372 | break; | |
2373 | case B43_PHYTYPE_LCN: | |
2374 | if (rev == 24) | |
2375 | filename = "lcn0bsinitvals24"; | |
2376 | else | |
2377 | goto err_no_initvals; | |
2378 | break; | |
61cb5dd6 MB |
2379 | default: |
2380 | goto err_no_initvals; | |
e4d6b795 | 2381 | } |
5e20a4b5 | 2382 | err = b43_do_request_fw(ctx, filename, &fw->initvals_band, false); |
61cb5dd6 MB |
2383 | if (err) |
2384 | goto err_load; | |
e4d6b795 | 2385 | |
097b0e1b JB |
2386 | fw->opensource = (ctx->req_type == B43_FWTYPE_OPENSOURCE); |
2387 | ||
e4d6b795 MB |
2388 | return 0; |
2389 | ||
e4d6b795 | 2390 | err_no_ucode: |
1a9f5093 MB |
2391 | err = ctx->fatal_failure = -EOPNOTSUPP; |
2392 | b43err(dev->wl, "The driver does not know which firmware (ucode) " | |
2393 | "is required for your device (wl-core rev %u)\n", rev); | |
e4d6b795 MB |
2394 | goto error; |
2395 | ||
2396 | err_no_pcm: | |
1a9f5093 MB |
2397 | err = ctx->fatal_failure = -EOPNOTSUPP; |
2398 | b43err(dev->wl, "The driver does not know which firmware (PCM) " | |
2399 | "is required for your device (wl-core rev %u)\n", rev); | |
e4d6b795 MB |
2400 | goto error; |
2401 | ||
2402 | err_no_initvals: | |
1a9f5093 MB |
2403 | err = ctx->fatal_failure = -EOPNOTSUPP; |
2404 | b43err(dev->wl, "The driver does not know which firmware (initvals) " | |
2405 | "is required for your device (wl-core rev %u)\n", rev); | |
2406 | goto error; | |
2407 | ||
2408 | err_load: | |
2409 | /* We failed to load this firmware image. The error message | |
2410 | * already is in ctx->errors. Return and let our caller decide | |
2411 | * what to do. */ | |
e4d6b795 MB |
2412 | goto error; |
2413 | ||
2414 | error: | |
2415 | b43_release_firmware(dev); | |
2416 | return err; | |
2417 | } | |
2418 | ||
6b6fa586 LF |
2419 | static int b43_one_core_attach(struct b43_bus_dev *dev, struct b43_wl *wl); |
2420 | static void b43_one_core_detach(struct b43_bus_dev *dev); | |
09164043 | 2421 | static int b43_rng_init(struct b43_wl *wl); |
6b6fa586 LF |
2422 | |
2423 | static void b43_request_firmware(struct work_struct *work) | |
1a9f5093 | 2424 | { |
6b6fa586 LF |
2425 | struct b43_wl *wl = container_of(work, |
2426 | struct b43_wl, firmware_load); | |
2427 | struct b43_wldev *dev = wl->current_dev; | |
1a9f5093 MB |
2428 | struct b43_request_fw_context *ctx; |
2429 | unsigned int i; | |
2430 | int err; | |
2431 | const char *errmsg; | |
2432 | ||
2433 | ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); | |
2434 | if (!ctx) | |
6b6fa586 | 2435 | return; |
1a9f5093 MB |
2436 | ctx->dev = dev; |
2437 | ||
2438 | ctx->req_type = B43_FWTYPE_PROPRIETARY; | |
2439 | err = b43_try_request_fw(ctx); | |
2440 | if (!err) | |
6b6fa586 LF |
2441 | goto start_ieee80211; /* Successfully loaded it. */ |
2442 | /* Was fw version known? */ | |
2443 | if (ctx->fatal_failure) | |
1a9f5093 MB |
2444 | goto out; |
2445 | ||
6b6fa586 | 2446 | /* proprietary fw not found, try open source */ |
1a9f5093 MB |
2447 | ctx->req_type = B43_FWTYPE_OPENSOURCE; |
2448 | err = b43_try_request_fw(ctx); | |
2449 | if (!err) | |
6b6fa586 LF |
2450 | goto start_ieee80211; /* Successfully loaded it. */ |
2451 | if(ctx->fatal_failure) | |
1a9f5093 MB |
2452 | goto out; |
2453 | ||
2454 | /* Could not find a usable firmware. Print the errors. */ | |
2455 | for (i = 0; i < B43_NR_FWTYPES; i++) { | |
2456 | errmsg = ctx->errors[i]; | |
2457 | if (strlen(errmsg)) | |
e0e29b68 | 2458 | b43err(dev->wl, "%s", errmsg); |
1a9f5093 MB |
2459 | } |
2460 | b43_print_fw_helptext(dev->wl, 1); | |
6b6fa586 LF |
2461 | goto out; |
2462 | ||
2463 | start_ieee80211: | |
097b0e1b JB |
2464 | wl->hw->queues = B43_QOS_QUEUE_NUM; |
2465 | if (!modparam_qos || dev->fw.opensource) | |
2466 | wl->hw->queues = 1; | |
2467 | ||
6b6fa586 LF |
2468 | err = ieee80211_register_hw(wl->hw); |
2469 | if (err) | |
2470 | goto err_one_core_detach; | |
e64add27 | 2471 | wl->hw_registred = true; |
6b6fa586 | 2472 | b43_leds_register(wl->current_dev); |
09164043 LF |
2473 | |
2474 | /* Register HW RNG driver */ | |
2475 | b43_rng_init(wl); | |
2476 | ||
6b6fa586 LF |
2477 | goto out; |
2478 | ||
2479 | err_one_core_detach: | |
2480 | b43_one_core_detach(dev->dev); | |
1a9f5093 MB |
2481 | |
2482 | out: | |
2483 | kfree(ctx); | |
1a9f5093 MB |
2484 | } |
2485 | ||
e4d6b795 MB |
2486 | static int b43_upload_microcode(struct b43_wldev *dev) |
2487 | { | |
652caa5b | 2488 | struct wiphy *wiphy = dev->wl->hw->wiphy; |
e4d6b795 MB |
2489 | const size_t hdr_len = sizeof(struct b43_fw_header); |
2490 | const __be32 *data; | |
2491 | unsigned int i, len; | |
2492 | u16 fwrev, fwpatch, fwdate, fwtime; | |
1f7d87b0 | 2493 | u32 tmp, macctl; |
e4d6b795 MB |
2494 | int err = 0; |
2495 | ||
1f7d87b0 MB |
2496 | /* Jump the microcode PSM to offset 0 */ |
2497 | macctl = b43_read32(dev, B43_MMIO_MACCTL); | |
2498 | B43_WARN_ON(macctl & B43_MACCTL_PSM_RUN); | |
2499 | macctl |= B43_MACCTL_PSM_JMP0; | |
2500 | b43_write32(dev, B43_MMIO_MACCTL, macctl); | |
2501 | /* Zero out all microcode PSM registers and shared memory. */ | |
2502 | for (i = 0; i < 64; i++) | |
2503 | b43_shm_write16(dev, B43_SHM_SCRATCH, i, 0); | |
2504 | for (i = 0; i < 4096; i += 2) | |
2505 | b43_shm_write16(dev, B43_SHM_SHARED, i, 0); | |
2506 | ||
e4d6b795 | 2507 | /* Upload Microcode. */ |
61cb5dd6 MB |
2508 | data = (__be32 *) (dev->fw.ucode.data->data + hdr_len); |
2509 | len = (dev->fw.ucode.data->size - hdr_len) / sizeof(__be32); | |
e4d6b795 MB |
2510 | b43_shm_control_word(dev, B43_SHM_UCODE | B43_SHM_AUTOINC_W, 0x0000); |
2511 | for (i = 0; i < len; i++) { | |
2512 | b43_write32(dev, B43_MMIO_SHM_DATA, be32_to_cpu(data[i])); | |
2513 | udelay(10); | |
2514 | } | |
2515 | ||
61cb5dd6 | 2516 | if (dev->fw.pcm.data) { |
e4d6b795 | 2517 | /* Upload PCM data. */ |
61cb5dd6 MB |
2518 | data = (__be32 *) (dev->fw.pcm.data->data + hdr_len); |
2519 | len = (dev->fw.pcm.data->size - hdr_len) / sizeof(__be32); | |
e4d6b795 MB |
2520 | b43_shm_control_word(dev, B43_SHM_HW, 0x01EA); |
2521 | b43_write32(dev, B43_MMIO_SHM_DATA, 0x00004000); | |
2522 | /* No need for autoinc bit in SHM_HW */ | |
2523 | b43_shm_control_word(dev, B43_SHM_HW, 0x01EB); | |
2524 | for (i = 0; i < len; i++) { | |
2525 | b43_write32(dev, B43_MMIO_SHM_DATA, be32_to_cpu(data[i])); | |
2526 | udelay(10); | |
2527 | } | |
2528 | } | |
2529 | ||
2530 | b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, B43_IRQ_ALL); | |
1f7d87b0 MB |
2531 | |
2532 | /* Start the microcode PSM */ | |
5056635c RM |
2533 | b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_PSM_JMP0, |
2534 | B43_MACCTL_PSM_RUN); | |
e4d6b795 MB |
2535 | |
2536 | /* Wait for the microcode to load and respond */ | |
2537 | i = 0; | |
2538 | while (1) { | |
2539 | tmp = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); | |
2540 | if (tmp == B43_IRQ_MAC_SUSPENDED) | |
2541 | break; | |
2542 | i++; | |
1f7d87b0 | 2543 | if (i >= 20) { |
e4d6b795 | 2544 | b43err(dev->wl, "Microcode not responding\n"); |
eb189d8b | 2545 | b43_print_fw_helptext(dev->wl, 1); |
e4d6b795 | 2546 | err = -ENODEV; |
1f7d87b0 MB |
2547 | goto error; |
2548 | } | |
e175e996 | 2549 | msleep(50); |
e4d6b795 MB |
2550 | } |
2551 | b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); /* dummy read */ | |
2552 | ||
2553 | /* Get and check the revisions. */ | |
2554 | fwrev = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_UCODEREV); | |
2555 | fwpatch = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_UCODEPATCH); | |
2556 | fwdate = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_UCODEDATE); | |
2557 | fwtime = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_UCODETIME); | |
2558 | ||
2559 | if (fwrev <= 0x128) { | |
2560 | b43err(dev->wl, "YOUR FIRMWARE IS TOO OLD. Firmware from " | |
2561 | "binary drivers older than version 4.x is unsupported. " | |
2562 | "You must upgrade your firmware files.\n"); | |
eb189d8b | 2563 | b43_print_fw_helptext(dev->wl, 1); |
e4d6b795 | 2564 | err = -EOPNOTSUPP; |
1f7d87b0 | 2565 | goto error; |
e4d6b795 | 2566 | } |
e4d6b795 MB |
2567 | dev->fw.rev = fwrev; |
2568 | dev->fw.patch = fwpatch; | |
5d852905 RM |
2569 | if (dev->fw.rev >= 598) |
2570 | dev->fw.hdr_format = B43_FW_HDR_598; | |
2571 | else if (dev->fw.rev >= 410) | |
efe0249b RM |
2572 | dev->fw.hdr_format = B43_FW_HDR_410; |
2573 | else | |
2574 | dev->fw.hdr_format = B43_FW_HDR_351; | |
097b0e1b | 2575 | WARN_ON(dev->fw.opensource != (fwdate == 0xFFFF)); |
e48b0eeb | 2576 | |
097b0e1b | 2577 | dev->qos_enabled = dev->wl->hw->queues > 1; |
403a3a13 | 2578 | /* Default to firmware/hardware crypto acceleration. */ |
3db1cd5c | 2579 | dev->hwcrypto_enabled = true; |
403a3a13 | 2580 | |
e48b0eeb | 2581 | if (dev->fw.opensource) { |
403a3a13 MB |
2582 | u16 fwcapa; |
2583 | ||
e48b0eeb MB |
2584 | /* Patchlevel info is encoded in the "time" field. */ |
2585 | dev->fw.patch = fwtime; | |
403a3a13 MB |
2586 | b43info(dev->wl, "Loading OpenSource firmware version %u.%u\n", |
2587 | dev->fw.rev, dev->fw.patch); | |
2588 | ||
2589 | fwcapa = b43_fwcapa_read(dev); | |
2590 | if (!(fwcapa & B43_FWCAPA_HWCRYPTO) || dev->fw.pcm_request_failed) { | |
2591 | b43info(dev->wl, "Hardware crypto acceleration not supported by firmware\n"); | |
2592 | /* Disable hardware crypto and fall back to software crypto. */ | |
3db1cd5c | 2593 | dev->hwcrypto_enabled = false; |
403a3a13 | 2594 | } |
097b0e1b JB |
2595 | /* adding QoS support should use an offline discovery mechanism */ |
2596 | WARN(fwcapa & B43_FWCAPA_QOS, "QoS in OpenFW not supported\n"); | |
e48b0eeb MB |
2597 | } else { |
2598 | b43info(dev->wl, "Loading firmware version %u.%u " | |
2599 | "(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n", | |
2600 | fwrev, fwpatch, | |
2601 | (fwdate >> 12) & 0xF, (fwdate >> 8) & 0xF, fwdate & 0xFF, | |
2602 | (fwtime >> 11) & 0x1F, (fwtime >> 5) & 0x3F, fwtime & 0x1F); | |
68217832 MB |
2603 | if (dev->fw.pcm_request_failed) { |
2604 | b43warn(dev->wl, "No \"pcm5.fw\" firmware file found. " | |
2605 | "Hardware accelerated cryptography is disabled.\n"); | |
2606 | b43_print_fw_helptext(dev->wl, 0); | |
2607 | } | |
e48b0eeb | 2608 | } |
e4d6b795 | 2609 | |
652caa5b JL |
2610 | snprintf(wiphy->fw_version, sizeof(wiphy->fw_version), "%u.%u", |
2611 | dev->fw.rev, dev->fw.patch); | |
21d889d4 | 2612 | wiphy->hw_version = dev->dev->core_id; |
652caa5b | 2613 | |
efe0249b | 2614 | if (dev->fw.hdr_format == B43_FW_HDR_351) { |
c557289c MB |
2615 | /* We're over the deadline, but we keep support for old fw |
2616 | * until it turns out to be in major conflict with something new. */ | |
eb189d8b | 2617 | b43warn(dev->wl, "You are using an old firmware image. " |
c557289c MB |
2618 | "Support for old firmware will be removed soon " |
2619 | "(official deadline was July 2008).\n"); | |
eb189d8b MB |
2620 | b43_print_fw_helptext(dev->wl, 0); |
2621 | } | |
2622 | ||
1f7d87b0 MB |
2623 | return 0; |
2624 | ||
2625 | error: | |
5056635c RM |
2626 | /* Stop the microcode PSM. */ |
2627 | b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_PSM_RUN, | |
2628 | B43_MACCTL_PSM_JMP0); | |
1f7d87b0 | 2629 | |
e4d6b795 MB |
2630 | return err; |
2631 | } | |
2632 | ||
2633 | static int b43_write_initvals(struct b43_wldev *dev, | |
2634 | const struct b43_iv *ivals, | |
2635 | size_t count, | |
2636 | size_t array_size) | |
2637 | { | |
2638 | const struct b43_iv *iv; | |
2639 | u16 offset; | |
2640 | size_t i; | |
2641 | bool bit32; | |
2642 | ||
2643 | BUILD_BUG_ON(sizeof(struct b43_iv) != 6); | |
2644 | iv = ivals; | |
2645 | for (i = 0; i < count; i++) { | |
2646 | if (array_size < sizeof(iv->offset_size)) | |
2647 | goto err_format; | |
2648 | array_size -= sizeof(iv->offset_size); | |
2649 | offset = be16_to_cpu(iv->offset_size); | |
2650 | bit32 = !!(offset & B43_IV_32BIT); | |
2651 | offset &= B43_IV_OFFSET_MASK; | |
2652 | if (offset >= 0x1000) | |
2653 | goto err_format; | |
2654 | if (bit32) { | |
2655 | u32 value; | |
2656 | ||
2657 | if (array_size < sizeof(iv->data.d32)) | |
2658 | goto err_format; | |
2659 | array_size -= sizeof(iv->data.d32); | |
2660 | ||
533dd1b0 | 2661 | value = get_unaligned_be32(&iv->data.d32); |
e4d6b795 MB |
2662 | b43_write32(dev, offset, value); |
2663 | ||
2664 | iv = (const struct b43_iv *)((const uint8_t *)iv + | |
2665 | sizeof(__be16) + | |
2666 | sizeof(__be32)); | |
2667 | } else { | |
2668 | u16 value; | |
2669 | ||
2670 | if (array_size < sizeof(iv->data.d16)) | |
2671 | goto err_format; | |
2672 | array_size -= sizeof(iv->data.d16); | |
2673 | ||
2674 | value = be16_to_cpu(iv->data.d16); | |
2675 | b43_write16(dev, offset, value); | |
2676 | ||
2677 | iv = (const struct b43_iv *)((const uint8_t *)iv + | |
2678 | sizeof(__be16) + | |
2679 | sizeof(__be16)); | |
2680 | } | |
2681 | } | |
2682 | if (array_size) | |
2683 | goto err_format; | |
2684 | ||
2685 | return 0; | |
2686 | ||
2687 | err_format: | |
2688 | b43err(dev->wl, "Initial Values Firmware file-format error.\n"); | |
eb189d8b | 2689 | b43_print_fw_helptext(dev->wl, 1); |
e4d6b795 MB |
2690 | |
2691 | return -EPROTO; | |
2692 | } | |
2693 | ||
2694 | static int b43_upload_initvals(struct b43_wldev *dev) | |
2695 | { | |
2696 | const size_t hdr_len = sizeof(struct b43_fw_header); | |
2697 | const struct b43_fw_header *hdr; | |
2698 | struct b43_firmware *fw = &dev->fw; | |
2699 | const struct b43_iv *ivals; | |
2700 | size_t count; | |
e4d6b795 | 2701 | |
61cb5dd6 MB |
2702 | hdr = (const struct b43_fw_header *)(fw->initvals.data->data); |
2703 | ivals = (const struct b43_iv *)(fw->initvals.data->data + hdr_len); | |
e4d6b795 | 2704 | count = be32_to_cpu(hdr->size); |
0f68423f | 2705 | return b43_write_initvals(dev, ivals, count, |
61cb5dd6 | 2706 | fw->initvals.data->size - hdr_len); |
0f68423f | 2707 | } |
e4d6b795 | 2708 | |
0f68423f RM |
2709 | static int b43_upload_initvals_band(struct b43_wldev *dev) |
2710 | { | |
2711 | const size_t hdr_len = sizeof(struct b43_fw_header); | |
2712 | const struct b43_fw_header *hdr; | |
2713 | struct b43_firmware *fw = &dev->fw; | |
2714 | const struct b43_iv *ivals; | |
2715 | size_t count; | |
2716 | ||
2717 | if (!fw->initvals_band.data) | |
2718 | return 0; | |
2719 | ||
2720 | hdr = (const struct b43_fw_header *)(fw->initvals_band.data->data); | |
2721 | ivals = (const struct b43_iv *)(fw->initvals_band.data->data + hdr_len); | |
2722 | count = be32_to_cpu(hdr->size); | |
2723 | return b43_write_initvals(dev, ivals, count, | |
2724 | fw->initvals_band.data->size - hdr_len); | |
e4d6b795 MB |
2725 | } |
2726 | ||
2727 | /* Initialize the GPIOs | |
2728 | * http://bcm-specs.sipsolutions.net/GPIO | |
2729 | */ | |
bd7c8a59 RM |
2730 | |
2731 | #ifdef CONFIG_B43_SSB | |
c4a2a081 | 2732 | static struct ssb_device *b43_ssb_gpio_dev(struct b43_wldev *dev) |
e4d6b795 | 2733 | { |
d48ae5c8 | 2734 | struct ssb_bus *bus = dev->dev->sdev->bus; |
c4a2a081 RM |
2735 | |
2736 | #ifdef CONFIG_SSB_DRIVER_PCICORE | |
2737 | return (bus->chipco.dev ? bus->chipco.dev : bus->pcicore.dev); | |
2738 | #else | |
2739 | return bus->chipco.dev; | |
2740 | #endif | |
2741 | } | |
bd7c8a59 | 2742 | #endif |
c4a2a081 | 2743 | |
e4d6b795 MB |
2744 | static int b43_gpio_init(struct b43_wldev *dev) |
2745 | { | |
bd7c8a59 | 2746 | #ifdef CONFIG_B43_SSB |
c4a2a081 | 2747 | struct ssb_device *gpiodev; |
bd7c8a59 | 2748 | #endif |
e4d6b795 MB |
2749 | u32 mask, set; |
2750 | ||
5056635c RM |
2751 | b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_GPOUTSMSK, 0); |
2752 | b43_maskset16(dev, B43_MMIO_GPIO_MASK, ~0, 0xF); | |
e4d6b795 MB |
2753 | |
2754 | mask = 0x0000001F; | |
2755 | set = 0x0000000F; | |
c244e08c | 2756 | if (dev->dev->chip_id == 0x4301) { |
e4d6b795 MB |
2757 | mask |= 0x0060; |
2758 | set |= 0x0060; | |
828afd26 RM |
2759 | } else if (dev->dev->chip_id == 0x5354) { |
2760 | /* Don't allow overtaking buttons GPIOs */ | |
2761 | set &= 0x2; /* 0x2 is LED GPIO on BCM5354 */ | |
e4d6b795 | 2762 | } |
828afd26 | 2763 | |
e4d6b795 MB |
2764 | if (0 /* FIXME: conditional unknown */ ) { |
2765 | b43_write16(dev, B43_MMIO_GPIO_MASK, | |
2766 | b43_read16(dev, B43_MMIO_GPIO_MASK) | |
2767 | | 0x0100); | |
828afd26 RM |
2768 | /* BT Coexistance Input */ |
2769 | mask |= 0x0080; | |
2770 | set |= 0x0080; | |
2771 | /* BT Coexistance Out */ | |
2772 | mask |= 0x0100; | |
2773 | set |= 0x0100; | |
e4d6b795 | 2774 | } |
0581483a | 2775 | if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_PACTRL) { |
828afd26 | 2776 | /* PA is controlled by gpio 9, let ucode handle it */ |
e4d6b795 MB |
2777 | b43_write16(dev, B43_MMIO_GPIO_MASK, |
2778 | b43_read16(dev, B43_MMIO_GPIO_MASK) | |
2779 | | 0x0200); | |
2780 | mask |= 0x0200; | |
2781 | set |= 0x0200; | |
2782 | } | |
e4d6b795 | 2783 | |
6cbab0d9 | 2784 | switch (dev->dev->bus_type) { |
42c9a458 RM |
2785 | #ifdef CONFIG_B43_BCMA |
2786 | case B43_BUS_BCMA: | |
0a64baea | 2787 | bcma_chipco_gpio_control(&dev->dev->bdev->bus->drv_cc, mask, set); |
42c9a458 RM |
2788 | break; |
2789 | #endif | |
6cbab0d9 RM |
2790 | #ifdef CONFIG_B43_SSB |
2791 | case B43_BUS_SSB: | |
2792 | gpiodev = b43_ssb_gpio_dev(dev); | |
2793 | if (gpiodev) | |
2794 | ssb_write32(gpiodev, B43_GPIO_CONTROL, | |
2795 | (ssb_read32(gpiodev, B43_GPIO_CONTROL) | |
828afd26 | 2796 | & ~mask) | set); |
6cbab0d9 RM |
2797 | break; |
2798 | #endif | |
2799 | } | |
e4d6b795 MB |
2800 | |
2801 | return 0; | |
2802 | } | |
2803 | ||
2804 | /* Turn off all GPIO stuff. Call this on module unload, for example. */ | |
2805 | static void b43_gpio_cleanup(struct b43_wldev *dev) | |
2806 | { | |
bd7c8a59 | 2807 | #ifdef CONFIG_B43_SSB |
c4a2a081 | 2808 | struct ssb_device *gpiodev; |
bd7c8a59 | 2809 | #endif |
e4d6b795 | 2810 | |
6cbab0d9 | 2811 | switch (dev->dev->bus_type) { |
42c9a458 RM |
2812 | #ifdef CONFIG_B43_BCMA |
2813 | case B43_BUS_BCMA: | |
0a64baea | 2814 | bcma_chipco_gpio_control(&dev->dev->bdev->bus->drv_cc, ~0, 0); |
42c9a458 RM |
2815 | break; |
2816 | #endif | |
6cbab0d9 RM |
2817 | #ifdef CONFIG_B43_SSB |
2818 | case B43_BUS_SSB: | |
2819 | gpiodev = b43_ssb_gpio_dev(dev); | |
2820 | if (gpiodev) | |
2821 | ssb_write32(gpiodev, B43_GPIO_CONTROL, 0); | |
2822 | break; | |
2823 | #endif | |
2824 | } | |
e4d6b795 MB |
2825 | } |
2826 | ||
2827 | /* http://bcm-specs.sipsolutions.net/EnableMac */ | |
f5eda47f | 2828 | void b43_mac_enable(struct b43_wldev *dev) |
e4d6b795 | 2829 | { |
923fd703 MB |
2830 | if (b43_debug(dev, B43_DBG_FIRMWARE)) { |
2831 | u16 fwstate; | |
2832 | ||
2833 | fwstate = b43_shm_read16(dev, B43_SHM_SHARED, | |
2834 | B43_SHM_SH_UCODESTAT); | |
2835 | if ((fwstate != B43_SHM_SH_UCODESTAT_SUSP) && | |
2836 | (fwstate != B43_SHM_SH_UCODESTAT_SLEEP)) { | |
2837 | b43err(dev->wl, "b43_mac_enable(): The firmware " | |
2838 | "should be suspended, but current state is %u\n", | |
2839 | fwstate); | |
2840 | } | |
2841 | } | |
2842 | ||
e4d6b795 MB |
2843 | dev->mac_suspended--; |
2844 | B43_WARN_ON(dev->mac_suspended < 0); | |
2845 | if (dev->mac_suspended == 0) { | |
5056635c | 2846 | b43_maskset32(dev, B43_MMIO_MACCTL, ~0, B43_MACCTL_ENABLED); |
e4d6b795 MB |
2847 | b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, |
2848 | B43_IRQ_MAC_SUSPENDED); | |
2849 | /* Commit writes */ | |
2850 | b43_read32(dev, B43_MMIO_MACCTL); | |
2851 | b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); | |
2852 | b43_power_saving_ctl_bits(dev, 0); | |
2853 | } | |
2854 | } | |
2855 | ||
2856 | /* http://bcm-specs.sipsolutions.net/SuspendMAC */ | |
f5eda47f | 2857 | void b43_mac_suspend(struct b43_wldev *dev) |
e4d6b795 MB |
2858 | { |
2859 | int i; | |
2860 | u32 tmp; | |
2861 | ||
05b64b36 | 2862 | might_sleep(); |
e4d6b795 | 2863 | B43_WARN_ON(dev->mac_suspended < 0); |
05b64b36 | 2864 | |
e4d6b795 MB |
2865 | if (dev->mac_suspended == 0) { |
2866 | b43_power_saving_ctl_bits(dev, B43_PS_AWAKE); | |
5056635c | 2867 | b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_ENABLED, 0); |
e4d6b795 MB |
2868 | /* force pci to flush the write */ |
2869 | b43_read32(dev, B43_MMIO_MACCTL); | |
ba380013 MB |
2870 | for (i = 35; i; i--) { |
2871 | tmp = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); | |
2872 | if (tmp & B43_IRQ_MAC_SUSPENDED) | |
2873 | goto out; | |
2874 | udelay(10); | |
2875 | } | |
2876 | /* Hm, it seems this will take some time. Use msleep(). */ | |
05b64b36 | 2877 | for (i = 40; i; i--) { |
e4d6b795 MB |
2878 | tmp = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); |
2879 | if (tmp & B43_IRQ_MAC_SUSPENDED) | |
2880 | goto out; | |
05b64b36 | 2881 | msleep(1); |
e4d6b795 MB |
2882 | } |
2883 | b43err(dev->wl, "MAC suspend failed\n"); | |
2884 | } | |
05b64b36 | 2885 | out: |
e4d6b795 MB |
2886 | dev->mac_suspended++; |
2887 | } | |
2888 | ||
858a1652 RM |
2889 | /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/MacPhyClkSet */ |
2890 | void b43_mac_phy_clock_set(struct b43_wldev *dev, bool on) | |
2891 | { | |
6cbab0d9 RM |
2892 | u32 tmp; |
2893 | ||
2894 | switch (dev->dev->bus_type) { | |
42c9a458 RM |
2895 | #ifdef CONFIG_B43_BCMA |
2896 | case B43_BUS_BCMA: | |
36677874 | 2897 | tmp = bcma_aread32(dev->dev->bdev, BCMA_IOCTL); |
42c9a458 RM |
2898 | if (on) |
2899 | tmp |= B43_BCMA_IOCTL_MACPHYCLKEN; | |
2900 | else | |
2901 | tmp &= ~B43_BCMA_IOCTL_MACPHYCLKEN; | |
36677874 | 2902 | bcma_awrite32(dev->dev->bdev, BCMA_IOCTL, tmp); |
42c9a458 RM |
2903 | break; |
2904 | #endif | |
6cbab0d9 RM |
2905 | #ifdef CONFIG_B43_SSB |
2906 | case B43_BUS_SSB: | |
2907 | tmp = ssb_read32(dev->dev->sdev, SSB_TMSLOW); | |
2908 | if (on) | |
2909 | tmp |= B43_TMSLOW_MACPHYCLKEN; | |
2910 | else | |
2911 | tmp &= ~B43_TMSLOW_MACPHYCLKEN; | |
2912 | ssb_write32(dev->dev->sdev, SSB_TMSLOW, tmp); | |
2913 | break; | |
2914 | #endif | |
2915 | } | |
858a1652 RM |
2916 | } |
2917 | ||
e4d6b795 MB |
2918 | static void b43_adjust_opmode(struct b43_wldev *dev) |
2919 | { | |
2920 | struct b43_wl *wl = dev->wl; | |
2921 | u32 ctl; | |
2922 | u16 cfp_pretbtt; | |
2923 | ||
2924 | ctl = b43_read32(dev, B43_MMIO_MACCTL); | |
2925 | /* Reset status to STA infrastructure mode. */ | |
2926 | ctl &= ~B43_MACCTL_AP; | |
2927 | ctl &= ~B43_MACCTL_KEEP_CTL; | |
2928 | ctl &= ~B43_MACCTL_KEEP_BADPLCP; | |
2929 | ctl &= ~B43_MACCTL_KEEP_BAD; | |
2930 | ctl &= ~B43_MACCTL_PROMISC; | |
4150c572 | 2931 | ctl &= ~B43_MACCTL_BEACPROMISC; |
e4d6b795 MB |
2932 | ctl |= B43_MACCTL_INFRA; |
2933 | ||
05c914fe JB |
2934 | if (b43_is_mode(wl, NL80211_IFTYPE_AP) || |
2935 | b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT)) | |
4150c572 | 2936 | ctl |= B43_MACCTL_AP; |
05c914fe | 2937 | else if (b43_is_mode(wl, NL80211_IFTYPE_ADHOC)) |
4150c572 JB |
2938 | ctl &= ~B43_MACCTL_INFRA; |
2939 | ||
2940 | if (wl->filter_flags & FIF_CONTROL) | |
e4d6b795 | 2941 | ctl |= B43_MACCTL_KEEP_CTL; |
4150c572 JB |
2942 | if (wl->filter_flags & FIF_FCSFAIL) |
2943 | ctl |= B43_MACCTL_KEEP_BAD; | |
2944 | if (wl->filter_flags & FIF_PLCPFAIL) | |
2945 | ctl |= B43_MACCTL_KEEP_BADPLCP; | |
2946 | if (wl->filter_flags & FIF_PROMISC_IN_BSS) | |
e4d6b795 | 2947 | ctl |= B43_MACCTL_PROMISC; |
4150c572 JB |
2948 | if (wl->filter_flags & FIF_BCN_PRBRESP_PROMISC) |
2949 | ctl |= B43_MACCTL_BEACPROMISC; | |
2950 | ||
e4d6b795 MB |
2951 | /* Workaround: On old hardware the HW-MAC-address-filter |
2952 | * doesn't work properly, so always run promisc in filter | |
2953 | * it in software. */ | |
21d889d4 | 2954 | if (dev->dev->core_rev <= 4) |
e4d6b795 MB |
2955 | ctl |= B43_MACCTL_PROMISC; |
2956 | ||
2957 | b43_write32(dev, B43_MMIO_MACCTL, ctl); | |
2958 | ||
2959 | cfp_pretbtt = 2; | |
2960 | if ((ctl & B43_MACCTL_INFRA) && !(ctl & B43_MACCTL_AP)) { | |
c244e08c RM |
2961 | if (dev->dev->chip_id == 0x4306 && |
2962 | dev->dev->chip_rev == 3) | |
e4d6b795 MB |
2963 | cfp_pretbtt = 100; |
2964 | else | |
2965 | cfp_pretbtt = 50; | |
2966 | } | |
2967 | b43_write16(dev, 0x612, cfp_pretbtt); | |
09ebe2f9 MB |
2968 | |
2969 | /* FIXME: We don't currently implement the PMQ mechanism, | |
2970 | * so always disable it. If we want to implement PMQ, | |
2971 | * we need to enable it here (clear DISCPMQ) in AP mode. | |
2972 | */ | |
5056635c RM |
2973 | if (0 /* ctl & B43_MACCTL_AP */) |
2974 | b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_DISCPMQ, 0); | |
2975 | else | |
2976 | b43_maskset32(dev, B43_MMIO_MACCTL, ~0, B43_MACCTL_DISCPMQ); | |
e4d6b795 MB |
2977 | } |
2978 | ||
2979 | static void b43_rate_memory_write(struct b43_wldev *dev, u16 rate, int is_ofdm) | |
2980 | { | |
2981 | u16 offset; | |
2982 | ||
2983 | if (is_ofdm) { | |
2984 | offset = 0x480; | |
2985 | offset += (b43_plcp_get_ratecode_ofdm(rate) & 0x000F) * 2; | |
2986 | } else { | |
2987 | offset = 0x4C0; | |
2988 | offset += (b43_plcp_get_ratecode_cck(rate) & 0x000F) * 2; | |
2989 | } | |
2990 | b43_shm_write16(dev, B43_SHM_SHARED, offset + 0x20, | |
2991 | b43_shm_read16(dev, B43_SHM_SHARED, offset)); | |
2992 | } | |
2993 | ||
2994 | static void b43_rate_memory_init(struct b43_wldev *dev) | |
2995 | { | |
2996 | switch (dev->phy.type) { | |
2997 | case B43_PHYTYPE_A: | |
2998 | case B43_PHYTYPE_G: | |
53a6e234 | 2999 | case B43_PHYTYPE_N: |
9d86a2d5 | 3000 | case B43_PHYTYPE_LP: |
6a461c23 | 3001 | case B43_PHYTYPE_HT: |
0b4ff45d | 3002 | case B43_PHYTYPE_LCN: |
e4d6b795 MB |
3003 | b43_rate_memory_write(dev, B43_OFDM_RATE_6MB, 1); |
3004 | b43_rate_memory_write(dev, B43_OFDM_RATE_12MB, 1); | |
3005 | b43_rate_memory_write(dev, B43_OFDM_RATE_18MB, 1); | |
3006 | b43_rate_memory_write(dev, B43_OFDM_RATE_24MB, 1); | |
3007 | b43_rate_memory_write(dev, B43_OFDM_RATE_36MB, 1); | |
3008 | b43_rate_memory_write(dev, B43_OFDM_RATE_48MB, 1); | |
3009 | b43_rate_memory_write(dev, B43_OFDM_RATE_54MB, 1); | |
3010 | if (dev->phy.type == B43_PHYTYPE_A) | |
3011 | break; | |
3012 | /* fallthrough */ | |
3013 | case B43_PHYTYPE_B: | |
3014 | b43_rate_memory_write(dev, B43_CCK_RATE_1MB, 0); | |
3015 | b43_rate_memory_write(dev, B43_CCK_RATE_2MB, 0); | |
3016 | b43_rate_memory_write(dev, B43_CCK_RATE_5MB, 0); | |
3017 | b43_rate_memory_write(dev, B43_CCK_RATE_11MB, 0); | |
3018 | break; | |
3019 | default: | |
3020 | B43_WARN_ON(1); | |
3021 | } | |
3022 | } | |
3023 | ||
5042c507 MB |
3024 | /* Set the default values for the PHY TX Control Words. */ |
3025 | static void b43_set_phytxctl_defaults(struct b43_wldev *dev) | |
3026 | { | |
3027 | u16 ctl = 0; | |
3028 | ||
3029 | ctl |= B43_TXH_PHY_ENC_CCK; | |
3030 | ctl |= B43_TXH_PHY_ANT01AUTO; | |
3031 | ctl |= B43_TXH_PHY_TXPWR; | |
3032 | ||
3033 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL, ctl); | |
3034 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_ACKCTSPHYCTL, ctl); | |
3035 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRPHYCTL, ctl); | |
3036 | } | |
3037 | ||
e4d6b795 MB |
3038 | /* Set the TX-Antenna for management frames sent by firmware. */ |
3039 | static void b43_mgmtframe_txantenna(struct b43_wldev *dev, int antenna) | |
3040 | { | |
5042c507 | 3041 | u16 ant; |
e4d6b795 MB |
3042 | u16 tmp; |
3043 | ||
5042c507 | 3044 | ant = b43_antenna_to_phyctl(antenna); |
e4d6b795 | 3045 | |
e4d6b795 MB |
3046 | /* For ACK/CTS */ |
3047 | tmp = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_ACKCTSPHYCTL); | |
eb189d8b | 3048 | tmp = (tmp & ~B43_TXH_PHY_ANT) | ant; |
e4d6b795 MB |
3049 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_ACKCTSPHYCTL, tmp); |
3050 | /* For Probe Resposes */ | |
3051 | tmp = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_PRPHYCTL); | |
eb189d8b | 3052 | tmp = (tmp & ~B43_TXH_PHY_ANT) | ant; |
e4d6b795 MB |
3053 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRPHYCTL, tmp); |
3054 | } | |
3055 | ||
3056 | /* This is the opposite of b43_chip_init() */ | |
3057 | static void b43_chip_exit(struct b43_wldev *dev) | |
3058 | { | |
fb11137a | 3059 | b43_phy_exit(dev); |
e4d6b795 MB |
3060 | b43_gpio_cleanup(dev); |
3061 | /* firmware is released later */ | |
3062 | } | |
3063 | ||
3064 | /* Initialize the chip | |
3065 | * http://bcm-specs.sipsolutions.net/ChipInit | |
3066 | */ | |
3067 | static int b43_chip_init(struct b43_wldev *dev) | |
3068 | { | |
3069 | struct b43_phy *phy = &dev->phy; | |
ef1a628d | 3070 | int err; |
858a1652 | 3071 | u32 macctl; |
e4d6b795 MB |
3072 | u16 value16; |
3073 | ||
1f7d87b0 MB |
3074 | /* Initialize the MAC control */ |
3075 | macctl = B43_MACCTL_IHR_ENABLED | B43_MACCTL_SHM_ENABLED; | |
3076 | if (dev->phy.gmode) | |
3077 | macctl |= B43_MACCTL_GMODE; | |
3078 | macctl |= B43_MACCTL_INFRA; | |
3079 | b43_write32(dev, B43_MMIO_MACCTL, macctl); | |
e4d6b795 | 3080 | |
e4d6b795 MB |
3081 | err = b43_upload_microcode(dev); |
3082 | if (err) | |
3083 | goto out; /* firmware is released later */ | |
3084 | ||
3085 | err = b43_gpio_init(dev); | |
3086 | if (err) | |
3087 | goto out; /* firmware is released later */ | |
21954c36 | 3088 | |
e4d6b795 MB |
3089 | err = b43_upload_initvals(dev); |
3090 | if (err) | |
1a8d1227 | 3091 | goto err_gpio_clean; |
e4d6b795 | 3092 | |
0f68423f RM |
3093 | err = b43_upload_initvals_band(dev); |
3094 | if (err) | |
3095 | goto err_gpio_clean; | |
3096 | ||
0b7dcd96 MB |
3097 | /* Turn the Analog on and initialize the PHY. */ |
3098 | phy->ops->switch_analog(dev, 1); | |
e4d6b795 MB |
3099 | err = b43_phy_init(dev); |
3100 | if (err) | |
ef1a628d | 3101 | goto err_gpio_clean; |
e4d6b795 | 3102 | |
ef1a628d MB |
3103 | /* Disable Interference Mitigation. */ |
3104 | if (phy->ops->interf_mitigation) | |
3105 | phy->ops->interf_mitigation(dev, B43_INTERFMODE_NONE); | |
e4d6b795 | 3106 | |
ef1a628d MB |
3107 | /* Select the antennae */ |
3108 | if (phy->ops->set_rx_antenna) | |
3109 | phy->ops->set_rx_antenna(dev, B43_ANTENNA_DEFAULT); | |
e4d6b795 MB |
3110 | b43_mgmtframe_txantenna(dev, B43_ANTENNA_DEFAULT); |
3111 | ||
3112 | if (phy->type == B43_PHYTYPE_B) { | |
3113 | value16 = b43_read16(dev, 0x005E); | |
3114 | value16 |= 0x0004; | |
3115 | b43_write16(dev, 0x005E, value16); | |
3116 | } | |
3117 | b43_write32(dev, 0x0100, 0x01000000); | |
21d889d4 | 3118 | if (dev->dev->core_rev < 5) |
e4d6b795 MB |
3119 | b43_write32(dev, 0x010C, 0x01000000); |
3120 | ||
5056635c RM |
3121 | b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_INFRA, 0); |
3122 | b43_maskset32(dev, B43_MMIO_MACCTL, ~0, B43_MACCTL_INFRA); | |
e4d6b795 | 3123 | |
e4d6b795 MB |
3124 | /* Probe Response Timeout value */ |
3125 | /* FIXME: Default to 0, has to be set by ioctl probably... :-/ */ | |
5c1da23b | 3126 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRMAXTIME, 0); |
e4d6b795 MB |
3127 | |
3128 | /* Initially set the wireless operation mode. */ | |
3129 | b43_adjust_opmode(dev); | |
3130 | ||
21d889d4 | 3131 | if (dev->dev->core_rev < 3) { |
e4d6b795 MB |
3132 | b43_write16(dev, 0x060E, 0x0000); |
3133 | b43_write16(dev, 0x0610, 0x8000); | |
3134 | b43_write16(dev, 0x0604, 0x0000); | |
3135 | b43_write16(dev, 0x0606, 0x0200); | |
3136 | } else { | |
3137 | b43_write32(dev, 0x0188, 0x80000000); | |
3138 | b43_write32(dev, 0x018C, 0x02000000); | |
3139 | } | |
3140 | b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, 0x00004000); | |
73b82bf0 | 3141 | b43_write32(dev, B43_MMIO_DMA0_IRQ_MASK, 0x0001FC00); |
e4d6b795 MB |
3142 | b43_write32(dev, B43_MMIO_DMA1_IRQ_MASK, 0x0000DC00); |
3143 | b43_write32(dev, B43_MMIO_DMA2_IRQ_MASK, 0x0000DC00); | |
3144 | b43_write32(dev, B43_MMIO_DMA3_IRQ_MASK, 0x0001DC00); | |
3145 | b43_write32(dev, B43_MMIO_DMA4_IRQ_MASK, 0x0000DC00); | |
3146 | b43_write32(dev, B43_MMIO_DMA5_IRQ_MASK, 0x0000DC00); | |
3147 | ||
858a1652 | 3148 | b43_mac_phy_clock_set(dev, true); |
e4d6b795 | 3149 | |
6cbab0d9 | 3150 | switch (dev->dev->bus_type) { |
42c9a458 RM |
3151 | #ifdef CONFIG_B43_BCMA |
3152 | case B43_BUS_BCMA: | |
3153 | /* FIXME: 0xE74 is quite common, but should be read from CC */ | |
3154 | b43_write16(dev, B43_MMIO_POWERUP_DELAY, 0xE74); | |
3155 | break; | |
3156 | #endif | |
6cbab0d9 RM |
3157 | #ifdef CONFIG_B43_SSB |
3158 | case B43_BUS_SSB: | |
3159 | b43_write16(dev, B43_MMIO_POWERUP_DELAY, | |
3160 | dev->dev->sdev->bus->chipco.fast_pwrup_delay); | |
3161 | break; | |
3162 | #endif | |
3163 | } | |
e4d6b795 MB |
3164 | |
3165 | err = 0; | |
3166 | b43dbg(dev->wl, "Chip initialized\n"); | |
21954c36 | 3167 | out: |
e4d6b795 MB |
3168 | return err; |
3169 | ||
1a8d1227 | 3170 | err_gpio_clean: |
e4d6b795 | 3171 | b43_gpio_cleanup(dev); |
21954c36 | 3172 | return err; |
e4d6b795 MB |
3173 | } |
3174 | ||
e4d6b795 MB |
3175 | static void b43_periodic_every60sec(struct b43_wldev *dev) |
3176 | { | |
ef1a628d | 3177 | const struct b43_phy_operations *ops = dev->phy.ops; |
e4d6b795 | 3178 | |
ef1a628d MB |
3179 | if (ops->pwork_60sec) |
3180 | ops->pwork_60sec(dev); | |
18c8adeb MB |
3181 | |
3182 | /* Force check the TX power emission now. */ | |
3183 | b43_phy_txpower_check(dev, B43_TXPWR_IGNORE_TIME); | |
e4d6b795 MB |
3184 | } |
3185 | ||
3186 | static void b43_periodic_every30sec(struct b43_wldev *dev) | |
3187 | { | |
3188 | /* Update device statistics. */ | |
3189 | b43_calculate_link_quality(dev); | |
3190 | } | |
3191 | ||
3192 | static void b43_periodic_every15sec(struct b43_wldev *dev) | |
3193 | { | |
3194 | struct b43_phy *phy = &dev->phy; | |
9b839a74 MB |
3195 | u16 wdr; |
3196 | ||
3197 | if (dev->fw.opensource) { | |
3198 | /* Check if the firmware is still alive. | |
3199 | * It will reset the watchdog counter to 0 in its idle loop. */ | |
3200 | wdr = b43_shm_read16(dev, B43_SHM_SCRATCH, B43_WATCHDOG_REG); | |
3201 | if (unlikely(wdr)) { | |
3202 | b43err(dev->wl, "Firmware watchdog: The firmware died!\n"); | |
3203 | b43_controller_restart(dev, "Firmware watchdog"); | |
3204 | return; | |
3205 | } else { | |
3206 | b43_shm_write16(dev, B43_SHM_SCRATCH, | |
3207 | B43_WATCHDOG_REG, 1); | |
3208 | } | |
3209 | } | |
e4d6b795 | 3210 | |
ef1a628d MB |
3211 | if (phy->ops->pwork_15sec) |
3212 | phy->ops->pwork_15sec(dev); | |
3213 | ||
00e0b8cb SB |
3214 | atomic_set(&phy->txerr_cnt, B43_PHY_TX_BADNESS_LIMIT); |
3215 | wmb(); | |
990b86f4 MB |
3216 | |
3217 | #if B43_DEBUG | |
3218 | if (b43_debug(dev, B43_DBG_VERBOSESTATS)) { | |
3219 | unsigned int i; | |
3220 | ||
3221 | b43dbg(dev->wl, "Stats: %7u IRQs/sec, %7u TX/sec, %7u RX/sec\n", | |
3222 | dev->irq_count / 15, | |
3223 | dev->tx_count / 15, | |
3224 | dev->rx_count / 15); | |
3225 | dev->irq_count = 0; | |
3226 | dev->tx_count = 0; | |
3227 | dev->rx_count = 0; | |
3228 | for (i = 0; i < ARRAY_SIZE(dev->irq_bit_count); i++) { | |
3229 | if (dev->irq_bit_count[i]) { | |
3230 | b43dbg(dev->wl, "Stats: %7u IRQ-%02u/sec (0x%08X)\n", | |
3231 | dev->irq_bit_count[i] / 15, i, (1 << i)); | |
3232 | dev->irq_bit_count[i] = 0; | |
3233 | } | |
3234 | } | |
3235 | } | |
3236 | #endif | |
e4d6b795 MB |
3237 | } |
3238 | ||
e4d6b795 MB |
3239 | static void do_periodic_work(struct b43_wldev *dev) |
3240 | { | |
3241 | unsigned int state; | |
3242 | ||
3243 | state = dev->periodic_state; | |
42bb4cd5 | 3244 | if (state % 4 == 0) |
e4d6b795 | 3245 | b43_periodic_every60sec(dev); |
42bb4cd5 | 3246 | if (state % 2 == 0) |
e4d6b795 | 3247 | b43_periodic_every30sec(dev); |
42bb4cd5 | 3248 | b43_periodic_every15sec(dev); |
e4d6b795 MB |
3249 | } |
3250 | ||
05b64b36 MB |
3251 | /* Periodic work locking policy: |
3252 | * The whole periodic work handler is protected by | |
3253 | * wl->mutex. If another lock is needed somewhere in the | |
21ae2956 | 3254 | * pwork callchain, it's acquired in-place, where it's needed. |
e4d6b795 | 3255 | */ |
e4d6b795 MB |
3256 | static void b43_periodic_work_handler(struct work_struct *work) |
3257 | { | |
05b64b36 MB |
3258 | struct b43_wldev *dev = container_of(work, struct b43_wldev, |
3259 | periodic_work.work); | |
3260 | struct b43_wl *wl = dev->wl; | |
3261 | unsigned long delay; | |
e4d6b795 | 3262 | |
05b64b36 | 3263 | mutex_lock(&wl->mutex); |
e4d6b795 MB |
3264 | |
3265 | if (unlikely(b43_status(dev) != B43_STAT_STARTED)) | |
3266 | goto out; | |
3267 | if (b43_debug(dev, B43_DBG_PWORK_STOP)) | |
3268 | goto out_requeue; | |
3269 | ||
05b64b36 | 3270 | do_periodic_work(dev); |
e4d6b795 | 3271 | |
e4d6b795 | 3272 | dev->periodic_state++; |
42bb4cd5 | 3273 | out_requeue: |
e4d6b795 MB |
3274 | if (b43_debug(dev, B43_DBG_PWORK_FAST)) |
3275 | delay = msecs_to_jiffies(50); | |
3276 | else | |
82cd682d | 3277 | delay = round_jiffies_relative(HZ * 15); |
42935eca | 3278 | ieee80211_queue_delayed_work(wl->hw, &dev->periodic_work, delay); |
42bb4cd5 | 3279 | out: |
05b64b36 | 3280 | mutex_unlock(&wl->mutex); |
e4d6b795 MB |
3281 | } |
3282 | ||
3283 | static void b43_periodic_tasks_setup(struct b43_wldev *dev) | |
3284 | { | |
3285 | struct delayed_work *work = &dev->periodic_work; | |
3286 | ||
3287 | dev->periodic_state = 0; | |
3288 | INIT_DELAYED_WORK(work, b43_periodic_work_handler); | |
42935eca | 3289 | ieee80211_queue_delayed_work(dev->wl->hw, work, 0); |
e4d6b795 MB |
3290 | } |
3291 | ||
f3dd3fcc | 3292 | /* Check if communication with the device works correctly. */ |
e4d6b795 MB |
3293 | static int b43_validate_chipaccess(struct b43_wldev *dev) |
3294 | { | |
f62ae6cd | 3295 | u32 v, backup0, backup4; |
e4d6b795 | 3296 | |
f62ae6cd MB |
3297 | backup0 = b43_shm_read32(dev, B43_SHM_SHARED, 0); |
3298 | backup4 = b43_shm_read32(dev, B43_SHM_SHARED, 4); | |
f3dd3fcc MB |
3299 | |
3300 | /* Check for read/write and endianness problems. */ | |
e4d6b795 MB |
3301 | b43_shm_write32(dev, B43_SHM_SHARED, 0, 0x55AAAA55); |
3302 | if (b43_shm_read32(dev, B43_SHM_SHARED, 0) != 0x55AAAA55) | |
3303 | goto error; | |
f3dd3fcc MB |
3304 | b43_shm_write32(dev, B43_SHM_SHARED, 0, 0xAA5555AA); |
3305 | if (b43_shm_read32(dev, B43_SHM_SHARED, 0) != 0xAA5555AA) | |
e4d6b795 MB |
3306 | goto error; |
3307 | ||
f62ae6cd MB |
3308 | /* Check if unaligned 32bit SHM_SHARED access works properly. |
3309 | * However, don't bail out on failure, because it's noncritical. */ | |
3310 | b43_shm_write16(dev, B43_SHM_SHARED, 0, 0x1122); | |
3311 | b43_shm_write16(dev, B43_SHM_SHARED, 2, 0x3344); | |
3312 | b43_shm_write16(dev, B43_SHM_SHARED, 4, 0x5566); | |
3313 | b43_shm_write16(dev, B43_SHM_SHARED, 6, 0x7788); | |
3314 | if (b43_shm_read32(dev, B43_SHM_SHARED, 2) != 0x55663344) | |
3315 | b43warn(dev->wl, "Unaligned 32bit SHM read access is broken\n"); | |
3316 | b43_shm_write32(dev, B43_SHM_SHARED, 2, 0xAABBCCDD); | |
3317 | if (b43_shm_read16(dev, B43_SHM_SHARED, 0) != 0x1122 || | |
3318 | b43_shm_read16(dev, B43_SHM_SHARED, 2) != 0xCCDD || | |
3319 | b43_shm_read16(dev, B43_SHM_SHARED, 4) != 0xAABB || | |
3320 | b43_shm_read16(dev, B43_SHM_SHARED, 6) != 0x7788) | |
3321 | b43warn(dev->wl, "Unaligned 32bit SHM write access is broken\n"); | |
3322 | ||
3323 | b43_shm_write32(dev, B43_SHM_SHARED, 0, backup0); | |
3324 | b43_shm_write32(dev, B43_SHM_SHARED, 4, backup4); | |
f3dd3fcc | 3325 | |
21d889d4 | 3326 | if ((dev->dev->core_rev >= 3) && (dev->dev->core_rev <= 10)) { |
f3dd3fcc MB |
3327 | /* The 32bit register shadows the two 16bit registers |
3328 | * with update sideeffects. Validate this. */ | |
3329 | b43_write16(dev, B43_MMIO_TSF_CFP_START, 0xAAAA); | |
3330 | b43_write32(dev, B43_MMIO_TSF_CFP_START, 0xCCCCBBBB); | |
3331 | if (b43_read16(dev, B43_MMIO_TSF_CFP_START_LOW) != 0xBBBB) | |
3332 | goto error; | |
3333 | if (b43_read16(dev, B43_MMIO_TSF_CFP_START_HIGH) != 0xCCCC) | |
3334 | goto error; | |
3335 | } | |
3336 | b43_write32(dev, B43_MMIO_TSF_CFP_START, 0); | |
3337 | ||
3338 | v = b43_read32(dev, B43_MMIO_MACCTL); | |
3339 | v |= B43_MACCTL_GMODE; | |
3340 | if (v != (B43_MACCTL_GMODE | B43_MACCTL_IHR_ENABLED)) | |
e4d6b795 MB |
3341 | goto error; |
3342 | ||
3343 | return 0; | |
f3dd3fcc | 3344 | error: |
e4d6b795 MB |
3345 | b43err(dev->wl, "Failed to validate the chipaccess\n"); |
3346 | return -ENODEV; | |
3347 | } | |
3348 | ||
3349 | static void b43_security_init(struct b43_wldev *dev) | |
3350 | { | |
e4d6b795 MB |
3351 | dev->ktp = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_KTP); |
3352 | /* KTP is a word address, but we address SHM bytewise. | |
3353 | * So multiply by two. | |
3354 | */ | |
3355 | dev->ktp *= 2; | |
66d2d089 MB |
3356 | /* Number of RCMTA address slots */ |
3357 | b43_write16(dev, B43_MMIO_RCMTA_COUNT, B43_NR_PAIRWISE_KEYS); | |
3358 | /* Clear the key memory. */ | |
e4d6b795 MB |
3359 | b43_clear_keys(dev); |
3360 | } | |
3361 | ||
616de35d | 3362 | #ifdef CONFIG_B43_HWRNG |
99da185a | 3363 | static int b43_rng_read(struct hwrng *rng, u32 *data) |
e4d6b795 MB |
3364 | { |
3365 | struct b43_wl *wl = (struct b43_wl *)rng->priv; | |
a78b3bb2 MB |
3366 | struct b43_wldev *dev; |
3367 | int count = -ENODEV; | |
e4d6b795 | 3368 | |
a78b3bb2 MB |
3369 | mutex_lock(&wl->mutex); |
3370 | dev = wl->current_dev; | |
3371 | if (likely(dev && b43_status(dev) >= B43_STAT_INITIALIZED)) { | |
3372 | *data = b43_read16(dev, B43_MMIO_RNG); | |
3373 | count = sizeof(u16); | |
3374 | } | |
3375 | mutex_unlock(&wl->mutex); | |
e4d6b795 | 3376 | |
a78b3bb2 | 3377 | return count; |
e4d6b795 | 3378 | } |
616de35d | 3379 | #endif /* CONFIG_B43_HWRNG */ |
e4d6b795 | 3380 | |
b844eba2 | 3381 | static void b43_rng_exit(struct b43_wl *wl) |
e4d6b795 | 3382 | { |
616de35d | 3383 | #ifdef CONFIG_B43_HWRNG |
e4d6b795 | 3384 | if (wl->rng_initialized) |
b844eba2 | 3385 | hwrng_unregister(&wl->rng); |
616de35d | 3386 | #endif /* CONFIG_B43_HWRNG */ |
e4d6b795 MB |
3387 | } |
3388 | ||
3389 | static int b43_rng_init(struct b43_wl *wl) | |
3390 | { | |
616de35d | 3391 | int err = 0; |
e4d6b795 | 3392 | |
616de35d | 3393 | #ifdef CONFIG_B43_HWRNG |
e4d6b795 MB |
3394 | snprintf(wl->rng_name, ARRAY_SIZE(wl->rng_name), |
3395 | "%s_%s", KBUILD_MODNAME, wiphy_name(wl->hw->wiphy)); | |
3396 | wl->rng.name = wl->rng_name; | |
3397 | wl->rng.data_read = b43_rng_read; | |
3398 | wl->rng.priv = (unsigned long)wl; | |
3db1cd5c | 3399 | wl->rng_initialized = true; |
e4d6b795 MB |
3400 | err = hwrng_register(&wl->rng); |
3401 | if (err) { | |
3db1cd5c | 3402 | wl->rng_initialized = false; |
e4d6b795 MB |
3403 | b43err(wl, "Failed to register the random " |
3404 | "number generator (%d)\n", err); | |
3405 | } | |
616de35d | 3406 | #endif /* CONFIG_B43_HWRNG */ |
e4d6b795 MB |
3407 | |
3408 | return err; | |
3409 | } | |
3410 | ||
f5d40eed | 3411 | static void b43_tx_work(struct work_struct *work) |
e4d6b795 | 3412 | { |
f5d40eed MB |
3413 | struct b43_wl *wl = container_of(work, struct b43_wl, tx_work); |
3414 | struct b43_wldev *dev; | |
3415 | struct sk_buff *skb; | |
bad69194 | 3416 | int queue_num; |
f5d40eed | 3417 | int err = 0; |
e4d6b795 | 3418 | |
f5d40eed MB |
3419 | mutex_lock(&wl->mutex); |
3420 | dev = wl->current_dev; | |
3421 | if (unlikely(!dev || b43_status(dev) < B43_STAT_STARTED)) { | |
3422 | mutex_unlock(&wl->mutex); | |
3423 | return; | |
5100d5ac | 3424 | } |
21a75d77 | 3425 | |
bad69194 | 3426 | for (queue_num = 0; queue_num < B43_QOS_QUEUE_NUM; queue_num++) { |
3427 | while (skb_queue_len(&wl->tx_queue[queue_num])) { | |
3428 | skb = skb_dequeue(&wl->tx_queue[queue_num]); | |
3429 | if (b43_using_pio_transfers(dev)) | |
3430 | err = b43_pio_tx(dev, skb); | |
3431 | else | |
3432 | err = b43_dma_tx(dev, skb); | |
3433 | if (err == -ENOSPC) { | |
3434 | wl->tx_queue_stopped[queue_num] = 1; | |
3435 | ieee80211_stop_queue(wl->hw, queue_num); | |
3436 | skb_queue_head(&wl->tx_queue[queue_num], skb); | |
3437 | break; | |
3438 | } | |
3439 | if (unlikely(err)) | |
78f18df4 | 3440 | ieee80211_free_txskb(wl->hw, skb); |
bad69194 | 3441 | err = 0; |
3442 | } | |
21a75d77 | 3443 | |
bad69194 | 3444 | if (!err) |
3445 | wl->tx_queue_stopped[queue_num] = 0; | |
21a75d77 MB |
3446 | } |
3447 | ||
990b86f4 MB |
3448 | #if B43_DEBUG |
3449 | dev->tx_count++; | |
3450 | #endif | |
f5d40eed MB |
3451 | mutex_unlock(&wl->mutex); |
3452 | } | |
21a75d77 | 3453 | |
7bb45683 | 3454 | static void b43_op_tx(struct ieee80211_hw *hw, |
36323f81 TH |
3455 | struct ieee80211_tx_control *control, |
3456 | struct sk_buff *skb) | |
f5d40eed MB |
3457 | { |
3458 | struct b43_wl *wl = hw_to_b43_wl(hw); | |
3459 | ||
3460 | if (unlikely(skb->len < 2 + 2 + 6)) { | |
3461 | /* Too short, this can't be a valid frame. */ | |
78f18df4 | 3462 | ieee80211_free_txskb(hw, skb); |
7bb45683 | 3463 | return; |
f5d40eed MB |
3464 | } |
3465 | B43_WARN_ON(skb_shinfo(skb)->nr_frags); | |
3466 | ||
bad69194 | 3467 | skb_queue_tail(&wl->tx_queue[skb->queue_mapping], skb); |
3468 | if (!wl->tx_queue_stopped[skb->queue_mapping]) { | |
3469 | ieee80211_queue_work(wl->hw, &wl->tx_work); | |
3470 | } else { | |
3471 | ieee80211_stop_queue(wl->hw, skb->queue_mapping); | |
3472 | } | |
e4d6b795 MB |
3473 | } |
3474 | ||
e6f5b934 MB |
3475 | static void b43_qos_params_upload(struct b43_wldev *dev, |
3476 | const struct ieee80211_tx_queue_params *p, | |
3477 | u16 shm_offset) | |
3478 | { | |
3479 | u16 params[B43_NR_QOSPARAMS]; | |
0b57664c | 3480 | int bslots, tmp; |
e6f5b934 MB |
3481 | unsigned int i; |
3482 | ||
b0544eb6 MB |
3483 | if (!dev->qos_enabled) |
3484 | return; | |
3485 | ||
0b57664c | 3486 | bslots = b43_read16(dev, B43_MMIO_RNG) & p->cw_min; |
e6f5b934 MB |
3487 | |
3488 | memset(¶ms, 0, sizeof(params)); | |
3489 | ||
3490 | params[B43_QOSPARAM_TXOP] = p->txop * 32; | |
0b57664c JB |
3491 | params[B43_QOSPARAM_CWMIN] = p->cw_min; |
3492 | params[B43_QOSPARAM_CWMAX] = p->cw_max; | |
3493 | params[B43_QOSPARAM_CWCUR] = p->cw_min; | |
3494 | params[B43_QOSPARAM_AIFS] = p->aifs; | |
e6f5b934 | 3495 | params[B43_QOSPARAM_BSLOTS] = bslots; |
0b57664c | 3496 | params[B43_QOSPARAM_REGGAP] = bslots + p->aifs; |
e6f5b934 MB |
3497 | |
3498 | for (i = 0; i < ARRAY_SIZE(params); i++) { | |
3499 | if (i == B43_QOSPARAM_STATUS) { | |
3500 | tmp = b43_shm_read16(dev, B43_SHM_SHARED, | |
3501 | shm_offset + (i * 2)); | |
3502 | /* Mark the parameters as updated. */ | |
3503 | tmp |= 0x100; | |
3504 | b43_shm_write16(dev, B43_SHM_SHARED, | |
3505 | shm_offset + (i * 2), | |
3506 | tmp); | |
3507 | } else { | |
3508 | b43_shm_write16(dev, B43_SHM_SHARED, | |
3509 | shm_offset + (i * 2), | |
3510 | params[i]); | |
3511 | } | |
3512 | } | |
3513 | } | |
3514 | ||
c40c1129 MB |
3515 | /* Mapping of mac80211 queue numbers to b43 QoS SHM offsets. */ |
3516 | static const u16 b43_qos_shm_offsets[] = { | |
3517 | /* [mac80211-queue-nr] = SHM_OFFSET, */ | |
3518 | [0] = B43_QOS_VOICE, | |
3519 | [1] = B43_QOS_VIDEO, | |
3520 | [2] = B43_QOS_BESTEFFORT, | |
3521 | [3] = B43_QOS_BACKGROUND, | |
3522 | }; | |
3523 | ||
5a5f3b40 MB |
3524 | /* Update all QOS parameters in hardware. */ |
3525 | static void b43_qos_upload_all(struct b43_wldev *dev) | |
e6f5b934 MB |
3526 | { |
3527 | struct b43_wl *wl = dev->wl; | |
3528 | struct b43_qos_params *params; | |
e6f5b934 MB |
3529 | unsigned int i; |
3530 | ||
b0544eb6 MB |
3531 | if (!dev->qos_enabled) |
3532 | return; | |
3533 | ||
c40c1129 MB |
3534 | BUILD_BUG_ON(ARRAY_SIZE(b43_qos_shm_offsets) != |
3535 | ARRAY_SIZE(wl->qos_params)); | |
e6f5b934 MB |
3536 | |
3537 | b43_mac_suspend(dev); | |
e6f5b934 MB |
3538 | for (i = 0; i < ARRAY_SIZE(wl->qos_params); i++) { |
3539 | params = &(wl->qos_params[i]); | |
5a5f3b40 MB |
3540 | b43_qos_params_upload(dev, &(params->p), |
3541 | b43_qos_shm_offsets[i]); | |
e6f5b934 | 3542 | } |
e6f5b934 MB |
3543 | b43_mac_enable(dev); |
3544 | } | |
3545 | ||
3546 | static void b43_qos_clear(struct b43_wl *wl) | |
3547 | { | |
3548 | struct b43_qos_params *params; | |
3549 | unsigned int i; | |
3550 | ||
c40c1129 MB |
3551 | /* Initialize QoS parameters to sane defaults. */ |
3552 | ||
3553 | BUILD_BUG_ON(ARRAY_SIZE(b43_qos_shm_offsets) != | |
3554 | ARRAY_SIZE(wl->qos_params)); | |
3555 | ||
e6f5b934 MB |
3556 | for (i = 0; i < ARRAY_SIZE(wl->qos_params); i++) { |
3557 | params = &(wl->qos_params[i]); | |
3558 | ||
c40c1129 MB |
3559 | switch (b43_qos_shm_offsets[i]) { |
3560 | case B43_QOS_VOICE: | |
3561 | params->p.txop = 0; | |
3562 | params->p.aifs = 2; | |
3563 | params->p.cw_min = 0x0001; | |
3564 | params->p.cw_max = 0x0001; | |
3565 | break; | |
3566 | case B43_QOS_VIDEO: | |
3567 | params->p.txop = 0; | |
3568 | params->p.aifs = 2; | |
3569 | params->p.cw_min = 0x0001; | |
3570 | params->p.cw_max = 0x0001; | |
3571 | break; | |
3572 | case B43_QOS_BESTEFFORT: | |
3573 | params->p.txop = 0; | |
3574 | params->p.aifs = 3; | |
3575 | params->p.cw_min = 0x0001; | |
3576 | params->p.cw_max = 0x03FF; | |
3577 | break; | |
3578 | case B43_QOS_BACKGROUND: | |
3579 | params->p.txop = 0; | |
3580 | params->p.aifs = 7; | |
3581 | params->p.cw_min = 0x0001; | |
3582 | params->p.cw_max = 0x03FF; | |
3583 | break; | |
3584 | default: | |
3585 | B43_WARN_ON(1); | |
3586 | } | |
e6f5b934 MB |
3587 | } |
3588 | } | |
3589 | ||
3590 | /* Initialize the core's QOS capabilities */ | |
3591 | static void b43_qos_init(struct b43_wldev *dev) | |
3592 | { | |
b0544eb6 MB |
3593 | if (!dev->qos_enabled) { |
3594 | /* Disable QOS support. */ | |
3595 | b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_EDCF); | |
3596 | b43_write16(dev, B43_MMIO_IFSCTL, | |
3597 | b43_read16(dev, B43_MMIO_IFSCTL) | |
3598 | & ~B43_MMIO_IFSCTL_USE_EDCF); | |
3599 | b43dbg(dev->wl, "QoS disabled\n"); | |
3600 | return; | |
3601 | } | |
3602 | ||
e6f5b934 | 3603 | /* Upload the current QOS parameters. */ |
5a5f3b40 | 3604 | b43_qos_upload_all(dev); |
e6f5b934 MB |
3605 | |
3606 | /* Enable QOS support. */ | |
3607 | b43_hf_write(dev, b43_hf_read(dev) | B43_HF_EDCF); | |
3608 | b43_write16(dev, B43_MMIO_IFSCTL, | |
3609 | b43_read16(dev, B43_MMIO_IFSCTL) | |
3610 | | B43_MMIO_IFSCTL_USE_EDCF); | |
b0544eb6 | 3611 | b43dbg(dev->wl, "QoS enabled\n"); |
e6f5b934 MB |
3612 | } |
3613 | ||
8a3a3c85 EP |
3614 | static int b43_op_conf_tx(struct ieee80211_hw *hw, |
3615 | struct ieee80211_vif *vif, u16 _queue, | |
40faacc4 | 3616 | const struct ieee80211_tx_queue_params *params) |
e4d6b795 | 3617 | { |
e6f5b934 | 3618 | struct b43_wl *wl = hw_to_b43_wl(hw); |
5a5f3b40 | 3619 | struct b43_wldev *dev; |
e6f5b934 | 3620 | unsigned int queue = (unsigned int)_queue; |
5a5f3b40 | 3621 | int err = -ENODEV; |
e6f5b934 MB |
3622 | |
3623 | if (queue >= ARRAY_SIZE(wl->qos_params)) { | |
3624 | /* Queue not available or don't support setting | |
3625 | * params on this queue. Return success to not | |
3626 | * confuse mac80211. */ | |
3627 | return 0; | |
3628 | } | |
5a5f3b40 MB |
3629 | BUILD_BUG_ON(ARRAY_SIZE(b43_qos_shm_offsets) != |
3630 | ARRAY_SIZE(wl->qos_params)); | |
e6f5b934 | 3631 | |
5a5f3b40 MB |
3632 | mutex_lock(&wl->mutex); |
3633 | dev = wl->current_dev; | |
3634 | if (unlikely(!dev || (b43_status(dev) < B43_STAT_INITIALIZED))) | |
3635 | goto out_unlock; | |
e6f5b934 | 3636 | |
5a5f3b40 MB |
3637 | memcpy(&(wl->qos_params[queue].p), params, sizeof(*params)); |
3638 | b43_mac_suspend(dev); | |
3639 | b43_qos_params_upload(dev, &(wl->qos_params[queue].p), | |
3640 | b43_qos_shm_offsets[queue]); | |
3641 | b43_mac_enable(dev); | |
3642 | err = 0; | |
e6f5b934 | 3643 | |
5a5f3b40 MB |
3644 | out_unlock: |
3645 | mutex_unlock(&wl->mutex); | |
3646 | ||
3647 | return err; | |
e4d6b795 MB |
3648 | } |
3649 | ||
40faacc4 MB |
3650 | static int b43_op_get_stats(struct ieee80211_hw *hw, |
3651 | struct ieee80211_low_level_stats *stats) | |
e4d6b795 MB |
3652 | { |
3653 | struct b43_wl *wl = hw_to_b43_wl(hw); | |
e4d6b795 | 3654 | |
36dbd954 | 3655 | mutex_lock(&wl->mutex); |
e4d6b795 | 3656 | memcpy(stats, &wl->ieee_stats, sizeof(*stats)); |
36dbd954 | 3657 | mutex_unlock(&wl->mutex); |
e4d6b795 MB |
3658 | |
3659 | return 0; | |
3660 | } | |
3661 | ||
37a41b4a | 3662 | static u64 b43_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
08e87a83 AF |
3663 | { |
3664 | struct b43_wl *wl = hw_to_b43_wl(hw); | |
3665 | struct b43_wldev *dev; | |
3666 | u64 tsf; | |
3667 | ||
3668 | mutex_lock(&wl->mutex); | |
08e87a83 AF |
3669 | dev = wl->current_dev; |
3670 | ||
3671 | if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED)) | |
3672 | b43_tsf_read(dev, &tsf); | |
3673 | else | |
3674 | tsf = 0; | |
3675 | ||
08e87a83 AF |
3676 | mutex_unlock(&wl->mutex); |
3677 | ||
3678 | return tsf; | |
3679 | } | |
3680 | ||
37a41b4a EP |
3681 | static void b43_op_set_tsf(struct ieee80211_hw *hw, |
3682 | struct ieee80211_vif *vif, u64 tsf) | |
08e87a83 AF |
3683 | { |
3684 | struct b43_wl *wl = hw_to_b43_wl(hw); | |
3685 | struct b43_wldev *dev; | |
3686 | ||
3687 | mutex_lock(&wl->mutex); | |
08e87a83 AF |
3688 | dev = wl->current_dev; |
3689 | ||
3690 | if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED)) | |
3691 | b43_tsf_write(dev, tsf); | |
3692 | ||
08e87a83 AF |
3693 | mutex_unlock(&wl->mutex); |
3694 | } | |
3695 | ||
99da185a | 3696 | static const char *band_to_string(enum ieee80211_band band) |
bb1eeff1 MB |
3697 | { |
3698 | switch (band) { | |
3699 | case IEEE80211_BAND_5GHZ: | |
3700 | return "5"; | |
3701 | case IEEE80211_BAND_2GHZ: | |
3702 | return "2.4"; | |
3703 | default: | |
3704 | break; | |
3705 | } | |
3706 | B43_WARN_ON(1); | |
3707 | return ""; | |
3708 | } | |
3709 | ||
e4d6b795 | 3710 | /* Expects wl->mutex locked */ |
7a8af8cf RM |
3711 | static int b43_switch_band(struct b43_wldev *dev, |
3712 | struct ieee80211_channel *chan) | |
e4d6b795 | 3713 | { |
7a8af8cf RM |
3714 | struct b43_phy *phy = &dev->phy; |
3715 | bool gmode; | |
3716 | u32 tmp; | |
e4d6b795 | 3717 | |
644aa4d6 RM |
3718 | switch (chan->band) { |
3719 | case IEEE80211_BAND_5GHZ: | |
7a8af8cf | 3720 | gmode = false; |
644aa4d6 RM |
3721 | break; |
3722 | case IEEE80211_BAND_2GHZ: | |
7a8af8cf | 3723 | gmode = true; |
644aa4d6 RM |
3724 | break; |
3725 | default: | |
3726 | B43_WARN_ON(1); | |
3727 | return -EINVAL; | |
bb1eeff1 | 3728 | } |
644aa4d6 | 3729 | |
7a8af8cf RM |
3730 | if (!((gmode && phy->supports_2ghz) || |
3731 | (!gmode && phy->supports_5ghz))) { | |
3732 | b43err(dev->wl, "This device doesn't support %s-GHz band\n", | |
bb1eeff1 MB |
3733 | band_to_string(chan->band)); |
3734 | return -ENODEV; | |
e4d6b795 | 3735 | } |
7a8af8cf RM |
3736 | |
3737 | if (!!phy->gmode == !!gmode) { | |
e4d6b795 MB |
3738 | /* This device is already running. */ |
3739 | return 0; | |
3740 | } | |
7a8af8cf RM |
3741 | |
3742 | b43dbg(dev->wl, "Switching to %s GHz band\n", | |
bb1eeff1 | 3743 | band_to_string(chan->band)); |
7a8af8cf | 3744 | |
6fe55143 RM |
3745 | /* Some new devices don't need disabling radio for band switching */ |
3746 | if (!(phy->type == B43_PHYTYPE_N && phy->rev >= 3)) | |
3747 | b43_software_rfkill(dev, true); | |
7a8af8cf RM |
3748 | |
3749 | phy->gmode = gmode; | |
3750 | b43_phy_put_into_reset(dev); | |
3751 | switch (dev->dev->bus_type) { | |
3752 | #ifdef CONFIG_B43_BCMA | |
3753 | case B43_BUS_BCMA: | |
3754 | tmp = bcma_aread32(dev->dev->bdev, BCMA_IOCTL); | |
3755 | if (gmode) | |
3756 | tmp |= B43_BCMA_IOCTL_GMODE; | |
3757 | else | |
3758 | tmp &= ~B43_BCMA_IOCTL_GMODE; | |
3759 | bcma_awrite32(dev->dev->bdev, BCMA_IOCTL, tmp); | |
3760 | break; | |
3761 | #endif | |
3762 | #ifdef CONFIG_B43_SSB | |
3763 | case B43_BUS_SSB: | |
3764 | tmp = ssb_read32(dev->dev->sdev, SSB_TMSLOW); | |
3765 | if (gmode) | |
3766 | tmp |= B43_TMSLOW_GMODE; | |
3767 | else | |
3768 | tmp &= ~B43_TMSLOW_GMODE; | |
3769 | ssb_write32(dev->dev->sdev, SSB_TMSLOW, tmp); | |
3770 | break; | |
3771 | #endif | |
e4d6b795 | 3772 | } |
7a8af8cf | 3773 | b43_phy_take_out_of_reset(dev); |
e4d6b795 | 3774 | |
7a8af8cf RM |
3775 | b43_upload_initvals_band(dev); |
3776 | ||
3777 | b43_phy_init(dev); | |
e4d6b795 MB |
3778 | |
3779 | return 0; | |
e4d6b795 MB |
3780 | } |
3781 | ||
9124b077 JB |
3782 | /* Write the short and long frame retry limit values. */ |
3783 | static void b43_set_retry_limits(struct b43_wldev *dev, | |
3784 | unsigned int short_retry, | |
3785 | unsigned int long_retry) | |
3786 | { | |
3787 | /* The retry limit is a 4-bit counter. Enforce this to avoid overflowing | |
3788 | * the chip-internal counter. */ | |
3789 | short_retry = min(short_retry, (unsigned int)0xF); | |
3790 | long_retry = min(long_retry, (unsigned int)0xF); | |
3791 | ||
3792 | b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_SRLIMIT, | |
3793 | short_retry); | |
3794 | b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_LRLIMIT, | |
3795 | long_retry); | |
3796 | } | |
3797 | ||
e8975581 | 3798 | static int b43_op_config(struct ieee80211_hw *hw, u32 changed) |
e4d6b795 MB |
3799 | { |
3800 | struct b43_wl *wl = hw_to_b43_wl(hw); | |
53256511 RM |
3801 | struct b43_wldev *dev = wl->current_dev; |
3802 | struct b43_phy *phy = &dev->phy; | |
e8975581 | 3803 | struct ieee80211_conf *conf = &hw->conf; |
9db1f6d7 | 3804 | int antenna; |
e4d6b795 | 3805 | int err = 0; |
e4d6b795 | 3806 | |
e4d6b795 | 3807 | mutex_lock(&wl->mutex); |
7a8af8cf RM |
3808 | b43_mac_suspend(dev); |
3809 | ||
8c79e5ee | 3810 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { |
f9471e99 | 3811 | phy->channel = conf->chandef.chan->hw_value; |
8c79e5ee RM |
3812 | if (conf_is_ht(conf)) |
3813 | phy->is_40mhz = conf_is_ht40_minus(conf) || | |
3814 | conf_is_ht40_plus(conf); | |
3815 | else | |
3816 | phy->is_40mhz = false; | |
2a190322 | 3817 | |
8c79e5ee RM |
3818 | /* Switch the band (if necessary). */ |
3819 | err = b43_switch_band(dev, conf->chandef.chan); | |
3820 | if (err) | |
3821 | goto out_mac_enable; | |
3822 | ||
3823 | /* Switch to the requested channel. | |
3824 | * The firmware takes care of races with the TX handler. | |
3825 | */ | |
f9471e99 | 3826 | b43_switch_channel(dev, phy->channel); |
8c79e5ee | 3827 | } |
aa4c7b2a | 3828 | |
9124b077 JB |
3829 | if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) |
3830 | b43_set_retry_limits(dev, conf->short_frame_max_tx_count, | |
3831 | conf->long_frame_max_tx_count); | |
3832 | changed &= ~IEEE80211_CONF_CHANGE_RETRY_LIMITS; | |
3833 | if (!changed) | |
d10d0e57 | 3834 | goto out_mac_enable; |
e4d6b795 | 3835 | |
0869aea0 | 3836 | dev->wl->radiotap_enabled = !!(conf->flags & IEEE80211_CONF_MONITOR); |
d42ce84a | 3837 | |
e4d6b795 MB |
3838 | /* Adjust the desired TX power level. */ |
3839 | if (conf->power_level != 0) { | |
18c8adeb MB |
3840 | if (conf->power_level != phy->desired_txpower) { |
3841 | phy->desired_txpower = conf->power_level; | |
3842 | b43_phy_txpower_check(dev, B43_TXPWR_IGNORE_TIME | | |
3843 | B43_TXPWR_IGNORE_TSSI); | |
e4d6b795 MB |
3844 | } |
3845 | } | |
3846 | ||
3847 | /* Antennas for RX and management frame TX. */ | |
0f4ac38b | 3848 | antenna = B43_ANTENNA_DEFAULT; |
9db1f6d7 | 3849 | b43_mgmtframe_txantenna(dev, antenna); |
0f4ac38b | 3850 | antenna = B43_ANTENNA_DEFAULT; |
ef1a628d MB |
3851 | if (phy->ops->set_rx_antenna) |
3852 | phy->ops->set_rx_antenna(dev, antenna); | |
e4d6b795 | 3853 | |
fd4973c5 LF |
3854 | if (wl->radio_enabled != phy->radio_on) { |
3855 | if (wl->radio_enabled) { | |
19d337df | 3856 | b43_software_rfkill(dev, false); |
fda9abcf MB |
3857 | b43info(dev->wl, "Radio turned on by software\n"); |
3858 | if (!dev->radio_hw_enable) { | |
3859 | b43info(dev->wl, "The hardware RF-kill button " | |
3860 | "still turns the radio physically off. " | |
3861 | "Press the button to turn it on.\n"); | |
3862 | } | |
3863 | } else { | |
19d337df | 3864 | b43_software_rfkill(dev, true); |
fda9abcf MB |
3865 | b43info(dev->wl, "Radio turned off by software\n"); |
3866 | } | |
3867 | } | |
3868 | ||
d10d0e57 MB |
3869 | out_mac_enable: |
3870 | b43_mac_enable(dev); | |
e4d6b795 MB |
3871 | mutex_unlock(&wl->mutex); |
3872 | ||
3873 | return err; | |
3874 | } | |
3875 | ||
881d948c | 3876 | static void b43_update_basic_rates(struct b43_wldev *dev, u32 brates) |
c7ab5ef9 JB |
3877 | { |
3878 | struct ieee80211_supported_band *sband = | |
3879 | dev->wl->hw->wiphy->bands[b43_current_band(dev->wl)]; | |
3880 | struct ieee80211_rate *rate; | |
3881 | int i; | |
3882 | u16 basic, direct, offset, basic_offset, rateptr; | |
3883 | ||
3884 | for (i = 0; i < sband->n_bitrates; i++) { | |
3885 | rate = &sband->bitrates[i]; | |
3886 | ||
3887 | if (b43_is_cck_rate(rate->hw_value)) { | |
3888 | direct = B43_SHM_SH_CCKDIRECT; | |
3889 | basic = B43_SHM_SH_CCKBASIC; | |
3890 | offset = b43_plcp_get_ratecode_cck(rate->hw_value); | |
3891 | offset &= 0xF; | |
3892 | } else { | |
3893 | direct = B43_SHM_SH_OFDMDIRECT; | |
3894 | basic = B43_SHM_SH_OFDMBASIC; | |
3895 | offset = b43_plcp_get_ratecode_ofdm(rate->hw_value); | |
3896 | offset &= 0xF; | |
3897 | } | |
3898 | ||
3899 | rate = ieee80211_get_response_rate(sband, brates, rate->bitrate); | |
3900 | ||
3901 | if (b43_is_cck_rate(rate->hw_value)) { | |
3902 | basic_offset = b43_plcp_get_ratecode_cck(rate->hw_value); | |
3903 | basic_offset &= 0xF; | |
3904 | } else { | |
3905 | basic_offset = b43_plcp_get_ratecode_ofdm(rate->hw_value); | |
3906 | basic_offset &= 0xF; | |
3907 | } | |
3908 | ||
3909 | /* | |
3910 | * Get the pointer that we need to point to | |
3911 | * from the direct map | |
3912 | */ | |
3913 | rateptr = b43_shm_read16(dev, B43_SHM_SHARED, | |
3914 | direct + 2 * basic_offset); | |
3915 | /* and write it to the basic map */ | |
3916 | b43_shm_write16(dev, B43_SHM_SHARED, basic + 2 * offset, | |
3917 | rateptr); | |
3918 | } | |
3919 | } | |
3920 | ||
3921 | static void b43_op_bss_info_changed(struct ieee80211_hw *hw, | |
3922 | struct ieee80211_vif *vif, | |
3923 | struct ieee80211_bss_conf *conf, | |
3924 | u32 changed) | |
3925 | { | |
3926 | struct b43_wl *wl = hw_to_b43_wl(hw); | |
3927 | struct b43_wldev *dev; | |
c7ab5ef9 JB |
3928 | |
3929 | mutex_lock(&wl->mutex); | |
3930 | ||
3931 | dev = wl->current_dev; | |
d10d0e57 | 3932 | if (!dev || b43_status(dev) < B43_STAT_STARTED) |
c7ab5ef9 | 3933 | goto out_unlock_mutex; |
2d0ddec5 JB |
3934 | |
3935 | B43_WARN_ON(wl->vif != vif); | |
3936 | ||
3937 | if (changed & BSS_CHANGED_BSSID) { | |
2d0ddec5 JB |
3938 | if (conf->bssid) |
3939 | memcpy(wl->bssid, conf->bssid, ETH_ALEN); | |
3940 | else | |
3941 | memset(wl->bssid, 0, ETH_ALEN); | |
3f0d843b | 3942 | } |
2d0ddec5 | 3943 | |
3f0d843b JB |
3944 | if (b43_status(dev) >= B43_STAT_INITIALIZED) { |
3945 | if (changed & BSS_CHANGED_BEACON && | |
3946 | (b43_is_mode(wl, NL80211_IFTYPE_AP) || | |
3947 | b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT) || | |
3948 | b43_is_mode(wl, NL80211_IFTYPE_ADHOC))) | |
3949 | b43_update_templates(wl); | |
3950 | ||
3951 | if (changed & BSS_CHANGED_BSSID) | |
2d0ddec5 | 3952 | b43_write_mac_bssid_templates(dev); |
2d0ddec5 JB |
3953 | } |
3954 | ||
c7ab5ef9 JB |
3955 | b43_mac_suspend(dev); |
3956 | ||
57c4d7b4 JB |
3957 | /* Update templates for AP/mesh mode. */ |
3958 | if (changed & BSS_CHANGED_BEACON_INT && | |
3959 | (b43_is_mode(wl, NL80211_IFTYPE_AP) || | |
3960 | b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT) || | |
2a190322 FF |
3961 | b43_is_mode(wl, NL80211_IFTYPE_ADHOC)) && |
3962 | conf->beacon_int) | |
57c4d7b4 JB |
3963 | b43_set_beacon_int(dev, conf->beacon_int); |
3964 | ||
c7ab5ef9 JB |
3965 | if (changed & BSS_CHANGED_BASIC_RATES) |
3966 | b43_update_basic_rates(dev, conf->basic_rates); | |
3967 | ||
3968 | if (changed & BSS_CHANGED_ERP_SLOT) { | |
3969 | if (conf->use_short_slot) | |
3970 | b43_short_slot_timing_enable(dev); | |
3971 | else | |
3972 | b43_short_slot_timing_disable(dev); | |
3973 | } | |
3974 | ||
3975 | b43_mac_enable(dev); | |
d10d0e57 | 3976 | out_unlock_mutex: |
c7ab5ef9 | 3977 | mutex_unlock(&wl->mutex); |
c7ab5ef9 JB |
3978 | } |
3979 | ||
40faacc4 | 3980 | static int b43_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
dc822b5d JB |
3981 | struct ieee80211_vif *vif, struct ieee80211_sta *sta, |
3982 | struct ieee80211_key_conf *key) | |
e4d6b795 MB |
3983 | { |
3984 | struct b43_wl *wl = hw_to_b43_wl(hw); | |
c6dfc9a8 | 3985 | struct b43_wldev *dev; |
e4d6b795 MB |
3986 | u8 algorithm; |
3987 | u8 index; | |
c6dfc9a8 | 3988 | int err; |
060210f9 | 3989 | static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; |
e4d6b795 MB |
3990 | |
3991 | if (modparam_nohwcrypt) | |
3992 | return -ENOSPC; /* User disabled HW-crypto */ | |
3993 | ||
78f9c850 AQ |
3994 | if ((vif->type == NL80211_IFTYPE_ADHOC || |
3995 | vif->type == NL80211_IFTYPE_MESH_POINT) && | |
3996 | (key->cipher == WLAN_CIPHER_SUITE_TKIP || | |
3997 | key->cipher == WLAN_CIPHER_SUITE_CCMP) && | |
3998 | !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) { | |
3999 | /* | |
4000 | * For now, disable hw crypto for the RSN IBSS group keys. This | |
4001 | * could be optimized in the future, but until that gets | |
4002 | * implemented, use of software crypto for group addressed | |
4003 | * frames is a acceptable to allow RSN IBSS to be used. | |
4004 | */ | |
4005 | return -EOPNOTSUPP; | |
4006 | } | |
4007 | ||
c6dfc9a8 | 4008 | mutex_lock(&wl->mutex); |
c6dfc9a8 MB |
4009 | |
4010 | dev = wl->current_dev; | |
4011 | err = -ENODEV; | |
4012 | if (!dev || b43_status(dev) < B43_STAT_INITIALIZED) | |
4013 | goto out_unlock; | |
4014 | ||
403a3a13 | 4015 | if (dev->fw.pcm_request_failed || !dev->hwcrypto_enabled) { |
68217832 MB |
4016 | /* We don't have firmware for the crypto engine. |
4017 | * Must use software-crypto. */ | |
4018 | err = -EOPNOTSUPP; | |
4019 | goto out_unlock; | |
4020 | } | |
4021 | ||
c6dfc9a8 | 4022 | err = -EINVAL; |
97359d12 JB |
4023 | switch (key->cipher) { |
4024 | case WLAN_CIPHER_SUITE_WEP40: | |
4025 | algorithm = B43_SEC_ALGO_WEP40; | |
4026 | break; | |
4027 | case WLAN_CIPHER_SUITE_WEP104: | |
4028 | algorithm = B43_SEC_ALGO_WEP104; | |
e4d6b795 | 4029 | break; |
97359d12 | 4030 | case WLAN_CIPHER_SUITE_TKIP: |
e4d6b795 MB |
4031 | algorithm = B43_SEC_ALGO_TKIP; |
4032 | break; | |
97359d12 | 4033 | case WLAN_CIPHER_SUITE_CCMP: |
e4d6b795 MB |
4034 | algorithm = B43_SEC_ALGO_AES; |
4035 | break; | |
4036 | default: | |
4037 | B43_WARN_ON(1); | |
c6dfc9a8 | 4038 | goto out_unlock; |
e4d6b795 | 4039 | } |
e4d6b795 MB |
4040 | index = (u8) (key->keyidx); |
4041 | if (index > 3) | |
e4d6b795 | 4042 | goto out_unlock; |
e4d6b795 MB |
4043 | |
4044 | switch (cmd) { | |
4045 | case SET_KEY: | |
035d0243 | 4046 | if (algorithm == B43_SEC_ALGO_TKIP && |
4047 | (!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE) || | |
4048 | !modparam_hwtkip)) { | |
4049 | /* We support only pairwise key */ | |
e4d6b795 MB |
4050 | err = -EOPNOTSUPP; |
4051 | goto out_unlock; | |
4052 | } | |
4053 | ||
e808e586 | 4054 | if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { |
dc822b5d JB |
4055 | if (WARN_ON(!sta)) { |
4056 | err = -EOPNOTSUPP; | |
4057 | goto out_unlock; | |
4058 | } | |
e808e586 | 4059 | /* Pairwise key with an assigned MAC address. */ |
e4d6b795 | 4060 | err = b43_key_write(dev, -1, algorithm, |
dc822b5d JB |
4061 | key->key, key->keylen, |
4062 | sta->addr, key); | |
e808e586 MB |
4063 | } else { |
4064 | /* Group key */ | |
4065 | err = b43_key_write(dev, index, algorithm, | |
4066 | key->key, key->keylen, NULL, key); | |
e4d6b795 MB |
4067 | } |
4068 | if (err) | |
4069 | goto out_unlock; | |
4070 | ||
4071 | if (algorithm == B43_SEC_ALGO_WEP40 || | |
4072 | algorithm == B43_SEC_ALGO_WEP104) { | |
4073 | b43_hf_write(dev, b43_hf_read(dev) | B43_HF_USEDEFKEYS); | |
4074 | } else { | |
4075 | b43_hf_write(dev, | |
4076 | b43_hf_read(dev) & ~B43_HF_USEDEFKEYS); | |
4077 | } | |
4078 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; | |
035d0243 | 4079 | if (algorithm == B43_SEC_ALGO_TKIP) |
4080 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; | |
e4d6b795 MB |
4081 | break; |
4082 | case DISABLE_KEY: { | |
4083 | err = b43_key_clear(dev, key->hw_key_idx); | |
4084 | if (err) | |
4085 | goto out_unlock; | |
4086 | break; | |
4087 | } | |
4088 | default: | |
4089 | B43_WARN_ON(1); | |
4090 | } | |
9cf7f247 | 4091 | |
e4d6b795 | 4092 | out_unlock: |
e4d6b795 MB |
4093 | if (!err) { |
4094 | b43dbg(wl, "%s hardware based encryption for keyidx: %d, " | |
e174961c | 4095 | "mac: %pM\n", |
e4d6b795 | 4096 | cmd == SET_KEY ? "Using" : "Disabling", key->keyidx, |
a1d88210 | 4097 | sta ? sta->addr : bcast_addr); |
9cf7f247 | 4098 | b43_dump_keymemory(dev); |
e4d6b795 | 4099 | } |
9cf7f247 MB |
4100 | mutex_unlock(&wl->mutex); |
4101 | ||
e4d6b795 MB |
4102 | return err; |
4103 | } | |
4104 | ||
40faacc4 MB |
4105 | static void b43_op_configure_filter(struct ieee80211_hw *hw, |
4106 | unsigned int changed, unsigned int *fflags, | |
3ac64bee | 4107 | u64 multicast) |
e4d6b795 MB |
4108 | { |
4109 | struct b43_wl *wl = hw_to_b43_wl(hw); | |
36dbd954 | 4110 | struct b43_wldev *dev; |
e4d6b795 | 4111 | |
36dbd954 MB |
4112 | mutex_lock(&wl->mutex); |
4113 | dev = wl->current_dev; | |
4150c572 JB |
4114 | if (!dev) { |
4115 | *fflags = 0; | |
36dbd954 | 4116 | goto out_unlock; |
e4d6b795 | 4117 | } |
4150c572 | 4118 | |
4150c572 JB |
4119 | *fflags &= FIF_PROMISC_IN_BSS | |
4120 | FIF_ALLMULTI | | |
4121 | FIF_FCSFAIL | | |
4122 | FIF_PLCPFAIL | | |
4123 | FIF_CONTROL | | |
4124 | FIF_OTHER_BSS | | |
4125 | FIF_BCN_PRBRESP_PROMISC; | |
4126 | ||
4127 | changed &= FIF_PROMISC_IN_BSS | | |
4128 | FIF_ALLMULTI | | |
4129 | FIF_FCSFAIL | | |
4130 | FIF_PLCPFAIL | | |
4131 | FIF_CONTROL | | |
4132 | FIF_OTHER_BSS | | |
4133 | FIF_BCN_PRBRESP_PROMISC; | |
4134 | ||
4135 | wl->filter_flags = *fflags; | |
4136 | ||
4137 | if (changed && b43_status(dev) >= B43_STAT_INITIALIZED) | |
4138 | b43_adjust_opmode(dev); | |
36dbd954 MB |
4139 | |
4140 | out_unlock: | |
4141 | mutex_unlock(&wl->mutex); | |
e4d6b795 MB |
4142 | } |
4143 | ||
36dbd954 MB |
4144 | /* Locking: wl->mutex |
4145 | * Returns the current dev. This might be different from the passed in dev, | |
4146 | * because the core might be gone away while we unlocked the mutex. */ | |
4147 | static struct b43_wldev * b43_wireless_core_stop(struct b43_wldev *dev) | |
e4d6b795 | 4148 | { |
9a53bf54 | 4149 | struct b43_wl *wl; |
36dbd954 | 4150 | struct b43_wldev *orig_dev; |
49d965c8 | 4151 | u32 mask; |
bad69194 | 4152 | int queue_num; |
e4d6b795 | 4153 | |
9a53bf54 LF |
4154 | if (!dev) |
4155 | return NULL; | |
4156 | wl = dev->wl; | |
36dbd954 MB |
4157 | redo: |
4158 | if (!dev || b43_status(dev) < B43_STAT_STARTED) | |
4159 | return dev; | |
a19d12d7 | 4160 | |
f5d40eed | 4161 | /* Cancel work. Unlock to avoid deadlocks. */ |
36dbd954 MB |
4162 | mutex_unlock(&wl->mutex); |
4163 | cancel_delayed_work_sync(&dev->periodic_work); | |
f5d40eed | 4164 | cancel_work_sync(&wl->tx_work); |
36dbd954 MB |
4165 | mutex_lock(&wl->mutex); |
4166 | dev = wl->current_dev; | |
4167 | if (!dev || b43_status(dev) < B43_STAT_STARTED) { | |
4168 | /* Whoops, aliens ate up the device while we were unlocked. */ | |
4169 | return dev; | |
4170 | } | |
a19d12d7 | 4171 | |
36dbd954 | 4172 | /* Disable interrupts on the device. */ |
e4d6b795 | 4173 | b43_set_status(dev, B43_STAT_INITIALIZED); |
505fb019 | 4174 | if (b43_bus_host_is_sdio(dev->dev)) { |
36dbd954 MB |
4175 | /* wl->mutex is locked. That is enough. */ |
4176 | b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, 0); | |
4177 | b43_read32(dev, B43_MMIO_GEN_IRQ_MASK); /* Flush */ | |
4178 | } else { | |
4179 | spin_lock_irq(&wl->hardirq_lock); | |
4180 | b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, 0); | |
4181 | b43_read32(dev, B43_MMIO_GEN_IRQ_MASK); /* Flush */ | |
4182 | spin_unlock_irq(&wl->hardirq_lock); | |
4183 | } | |
176e9f6a | 4184 | /* Synchronize and free the interrupt handlers. Unlock to avoid deadlocks. */ |
36dbd954 | 4185 | orig_dev = dev; |
e4d6b795 | 4186 | mutex_unlock(&wl->mutex); |
505fb019 | 4187 | if (b43_bus_host_is_sdio(dev->dev)) { |
176e9f6a MB |
4188 | b43_sdio_free_irq(dev); |
4189 | } else { | |
a18c715e RM |
4190 | synchronize_irq(dev->dev->irq); |
4191 | free_irq(dev->dev->irq, dev); | |
176e9f6a | 4192 | } |
e4d6b795 | 4193 | mutex_lock(&wl->mutex); |
36dbd954 MB |
4194 | dev = wl->current_dev; |
4195 | if (!dev) | |
4196 | return dev; | |
4197 | if (dev != orig_dev) { | |
4198 | if (b43_status(dev) >= B43_STAT_STARTED) | |
4199 | goto redo; | |
4200 | return dev; | |
4201 | } | |
49d965c8 MB |
4202 | mask = b43_read32(dev, B43_MMIO_GEN_IRQ_MASK); |
4203 | B43_WARN_ON(mask != 0xFFFFFFFF && mask); | |
e4d6b795 | 4204 | |
bad69194 | 4205 | /* Drain all TX queues. */ |
4206 | for (queue_num = 0; queue_num < B43_QOS_QUEUE_NUM; queue_num++) { | |
78f18df4 FF |
4207 | while (skb_queue_len(&wl->tx_queue[queue_num])) { |
4208 | struct sk_buff *skb; | |
4209 | ||
4210 | skb = skb_dequeue(&wl->tx_queue[queue_num]); | |
4211 | ieee80211_free_txskb(wl->hw, skb); | |
4212 | } | |
bad69194 | 4213 | } |
f5d40eed | 4214 | |
e4d6b795 | 4215 | b43_mac_suspend(dev); |
a78b3bb2 | 4216 | b43_leds_exit(dev); |
e4d6b795 | 4217 | b43dbg(wl, "Wireless interface stopped\n"); |
36dbd954 MB |
4218 | |
4219 | return dev; | |
e4d6b795 MB |
4220 | } |
4221 | ||
4222 | /* Locking: wl->mutex */ | |
4223 | static int b43_wireless_core_start(struct b43_wldev *dev) | |
4224 | { | |
4225 | int err; | |
4226 | ||
4227 | B43_WARN_ON(b43_status(dev) != B43_STAT_INITIALIZED); | |
4228 | ||
4229 | drain_txstatus_queue(dev); | |
505fb019 | 4230 | if (b43_bus_host_is_sdio(dev->dev)) { |
3dbba8e2 AH |
4231 | err = b43_sdio_request_irq(dev, b43_sdio_interrupt_handler); |
4232 | if (err) { | |
4233 | b43err(dev->wl, "Cannot request SDIO IRQ\n"); | |
4234 | goto out; | |
4235 | } | |
4236 | } else { | |
a18c715e | 4237 | err = request_threaded_irq(dev->dev->irq, b43_interrupt_handler, |
3dbba8e2 AH |
4238 | b43_interrupt_thread_handler, |
4239 | IRQF_SHARED, KBUILD_MODNAME, dev); | |
4240 | if (err) { | |
dedb1eb9 | 4241 | b43err(dev->wl, "Cannot request IRQ-%d\n", |
a18c715e | 4242 | dev->dev->irq); |
3dbba8e2 AH |
4243 | goto out; |
4244 | } | |
e4d6b795 MB |
4245 | } |
4246 | ||
4247 | /* We are ready to run. */ | |
0866b03c | 4248 | ieee80211_wake_queues(dev->wl->hw); |
e4d6b795 MB |
4249 | b43_set_status(dev, B43_STAT_STARTED); |
4250 | ||
4251 | /* Start data flow (TX/RX). */ | |
4252 | b43_mac_enable(dev); | |
13790728 | 4253 | b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, dev->irq_mask); |
e4d6b795 | 4254 | |
25985edc | 4255 | /* Start maintenance work */ |
e4d6b795 MB |
4256 | b43_periodic_tasks_setup(dev); |
4257 | ||
a78b3bb2 MB |
4258 | b43_leds_init(dev); |
4259 | ||
e4d6b795 | 4260 | b43dbg(dev->wl, "Wireless interface started\n"); |
a78b3bb2 | 4261 | out: |
e4d6b795 MB |
4262 | return err; |
4263 | } | |
4264 | ||
2fdf8c54 RM |
4265 | static char *b43_phy_name(struct b43_wldev *dev, u8 phy_type) |
4266 | { | |
4267 | switch (phy_type) { | |
4268 | case B43_PHYTYPE_A: | |
4269 | return "A"; | |
4270 | case B43_PHYTYPE_B: | |
4271 | return "B"; | |
4272 | case B43_PHYTYPE_G: | |
4273 | return "G"; | |
4274 | case B43_PHYTYPE_N: | |
4275 | return "N"; | |
4276 | case B43_PHYTYPE_LP: | |
4277 | return "LP"; | |
4278 | case B43_PHYTYPE_SSLPN: | |
4279 | return "SSLPN"; | |
4280 | case B43_PHYTYPE_HT: | |
4281 | return "HT"; | |
4282 | case B43_PHYTYPE_LCN: | |
4283 | return "LCN"; | |
4284 | case B43_PHYTYPE_LCNXN: | |
4285 | return "LCNXN"; | |
4286 | case B43_PHYTYPE_LCN40: | |
4287 | return "LCN40"; | |
4288 | case B43_PHYTYPE_AC: | |
4289 | return "AC"; | |
4290 | } | |
4291 | return "UNKNOWN"; | |
4292 | } | |
4293 | ||
e4d6b795 MB |
4294 | /* Get PHY and RADIO versioning numbers */ |
4295 | static int b43_phy_versioning(struct b43_wldev *dev) | |
4296 | { | |
4297 | struct b43_phy *phy = &dev->phy; | |
4298 | u32 tmp; | |
4299 | u8 analog_type; | |
4300 | u8 phy_type; | |
4301 | u8 phy_rev; | |
4302 | u16 radio_manuf; | |
4303 | u16 radio_ver; | |
4304 | u16 radio_rev; | |
4305 | int unsupported = 0; | |
4306 | ||
4307 | /* Get PHY versioning */ | |
4308 | tmp = b43_read16(dev, B43_MMIO_PHY_VER); | |
4309 | analog_type = (tmp & B43_PHYVER_ANALOG) >> B43_PHYVER_ANALOG_SHIFT; | |
4310 | phy_type = (tmp & B43_PHYVER_TYPE) >> B43_PHYVER_TYPE_SHIFT; | |
4311 | phy_rev = (tmp & B43_PHYVER_VERSION); | |
4312 | switch (phy_type) { | |
4313 | case B43_PHYTYPE_A: | |
4314 | if (phy_rev >= 4) | |
4315 | unsupported = 1; | |
4316 | break; | |
4317 | case B43_PHYTYPE_B: | |
4318 | if (phy_rev != 2 && phy_rev != 4 && phy_rev != 6 | |
4319 | && phy_rev != 7) | |
4320 | unsupported = 1; | |
4321 | break; | |
4322 | case B43_PHYTYPE_G: | |
013978b6 | 4323 | if (phy_rev > 9) |
e4d6b795 MB |
4324 | unsupported = 1; |
4325 | break; | |
692d2c0f | 4326 | #ifdef CONFIG_B43_PHY_N |
d5c71e46 | 4327 | case B43_PHYTYPE_N: |
ab72efdf | 4328 | if (phy_rev > 9) |
d5c71e46 MB |
4329 | unsupported = 1; |
4330 | break; | |
6b1c7c67 MB |
4331 | #endif |
4332 | #ifdef CONFIG_B43_PHY_LP | |
4333 | case B43_PHYTYPE_LP: | |
9d86a2d5 | 4334 | if (phy_rev > 2) |
6b1c7c67 MB |
4335 | unsupported = 1; |
4336 | break; | |
d7520b1d RM |
4337 | #endif |
4338 | #ifdef CONFIG_B43_PHY_HT | |
4339 | case B43_PHYTYPE_HT: | |
4340 | if (phy_rev > 1) | |
4341 | unsupported = 1; | |
4342 | break; | |
1d738e64 RM |
4343 | #endif |
4344 | #ifdef CONFIG_B43_PHY_LCN | |
4345 | case B43_PHYTYPE_LCN: | |
4346 | if (phy_rev > 1) | |
4347 | unsupported = 1; | |
4348 | break; | |
d5c71e46 | 4349 | #endif |
e4d6b795 MB |
4350 | default: |
4351 | unsupported = 1; | |
6403eab1 | 4352 | } |
e4d6b795 | 4353 | if (unsupported) { |
2fdf8c54 RM |
4354 | b43err(dev->wl, "FOUND UNSUPPORTED PHY (Analog %u, Type %d (%s), Revision %u)\n", |
4355 | analog_type, phy_type, b43_phy_name(dev, phy_type), | |
4356 | phy_rev); | |
e4d6b795 MB |
4357 | return -EOPNOTSUPP; |
4358 | } | |
2fdf8c54 RM |
4359 | b43info(dev->wl, "Found PHY: Analog %u, Type %d (%s), Revision %u\n", |
4360 | analog_type, phy_type, b43_phy_name(dev, phy_type), phy_rev); | |
e4d6b795 MB |
4361 | |
4362 | /* Get RADIO versioning */ | |
3fd48508 | 4363 | if (dev->dev->core_rev >= 24) { |
544e5d8b RM |
4364 | u16 radio24[3]; |
4365 | ||
4366 | for (tmp = 0; tmp < 3; tmp++) { | |
4367 | b43_write16(dev, B43_MMIO_RADIO24_CONTROL, tmp); | |
4368 | radio24[tmp] = b43_read16(dev, B43_MMIO_RADIO24_DATA); | |
4369 | } | |
4370 | ||
4371 | /* Broadcom uses "id" for our "ver" and has separated "ver" */ | |
4372 | /* radio_ver = (radio24[0] & 0xF0) >> 4; */ | |
4373 | ||
4374 | radio_manuf = 0x17F; | |
4375 | radio_ver = (radio24[2] << 8) | radio24[1]; | |
4376 | radio_rev = (radio24[0] & 0xF); | |
e4d6b795 | 4377 | } else { |
3fd48508 RM |
4378 | if (dev->dev->chip_id == 0x4317) { |
4379 | if (dev->dev->chip_rev == 0) | |
4380 | tmp = 0x3205017F; | |
4381 | else if (dev->dev->chip_rev == 1) | |
4382 | tmp = 0x4205017F; | |
4383 | else | |
4384 | tmp = 0x5205017F; | |
4385 | } else { | |
4386 | b43_write16(dev, B43_MMIO_RADIO_CONTROL, | |
4387 | B43_RADIOCTL_ID); | |
4388 | tmp = b43_read16(dev, B43_MMIO_RADIO_DATA_LOW); | |
4389 | b43_write16(dev, B43_MMIO_RADIO_CONTROL, | |
4390 | B43_RADIOCTL_ID); | |
4391 | tmp |= (u32)b43_read16(dev, B43_MMIO_RADIO_DATA_HIGH) | |
4392 | << 16; | |
4393 | } | |
4394 | radio_manuf = (tmp & 0x00000FFF); | |
4395 | radio_ver = (tmp & 0x0FFFF000) >> 12; | |
4396 | radio_rev = (tmp & 0xF0000000) >> 28; | |
e4d6b795 | 4397 | } |
3fd48508 | 4398 | |
96c755a3 MB |
4399 | if (radio_manuf != 0x17F /* Broadcom */) |
4400 | unsupported = 1; | |
e4d6b795 MB |
4401 | switch (phy_type) { |
4402 | case B43_PHYTYPE_A: | |
4403 | if (radio_ver != 0x2060) | |
4404 | unsupported = 1; | |
4405 | if (radio_rev != 1) | |
4406 | unsupported = 1; | |
4407 | if (radio_manuf != 0x17F) | |
4408 | unsupported = 1; | |
4409 | break; | |
4410 | case B43_PHYTYPE_B: | |
4411 | if ((radio_ver & 0xFFF0) != 0x2050) | |
4412 | unsupported = 1; | |
4413 | break; | |
4414 | case B43_PHYTYPE_G: | |
4415 | if (radio_ver != 0x2050) | |
4416 | unsupported = 1; | |
4417 | break; | |
96c755a3 | 4418 | case B43_PHYTYPE_N: |
bb519bee | 4419 | if (radio_ver != 0x2055 && radio_ver != 0x2056) |
96c755a3 MB |
4420 | unsupported = 1; |
4421 | break; | |
6b1c7c67 | 4422 | case B43_PHYTYPE_LP: |
9d86a2d5 | 4423 | if (radio_ver != 0x2062 && radio_ver != 0x2063) |
6b1c7c67 MB |
4424 | unsupported = 1; |
4425 | break; | |
d7520b1d RM |
4426 | case B43_PHYTYPE_HT: |
4427 | if (radio_ver != 0x2059) | |
4428 | unsupported = 1; | |
4429 | break; | |
1d738e64 RM |
4430 | case B43_PHYTYPE_LCN: |
4431 | if (radio_ver != 0x2064) | |
4432 | unsupported = 1; | |
4433 | break; | |
e4d6b795 MB |
4434 | default: |
4435 | B43_WARN_ON(1); | |
4436 | } | |
4437 | if (unsupported) { | |
4438 | b43err(dev->wl, "FOUND UNSUPPORTED RADIO " | |
4439 | "(Manuf 0x%X, Version 0x%X, Revision %u)\n", | |
4440 | radio_manuf, radio_ver, radio_rev); | |
4441 | return -EOPNOTSUPP; | |
4442 | } | |
4443 | b43dbg(dev->wl, "Found Radio: Manuf 0x%X, Version 0x%X, Revision %u\n", | |
4444 | radio_manuf, radio_ver, radio_rev); | |
4445 | ||
4446 | phy->radio_manuf = radio_manuf; | |
4447 | phy->radio_ver = radio_ver; | |
4448 | phy->radio_rev = radio_rev; | |
4449 | ||
4450 | phy->analog = analog_type; | |
4451 | phy->type = phy_type; | |
4452 | phy->rev = phy_rev; | |
4453 | ||
4454 | return 0; | |
4455 | } | |
4456 | ||
4457 | static void setup_struct_phy_for_init(struct b43_wldev *dev, | |
4458 | struct b43_phy *phy) | |
4459 | { | |
e4d6b795 | 4460 | phy->hardware_power_control = !!modparam_hwpctl; |
18c8adeb | 4461 | phy->next_txpwr_check_time = jiffies; |
8ed7fc48 MB |
4462 | /* PHY TX errors counter. */ |
4463 | atomic_set(&phy->txerr_cnt, B43_PHY_TX_BADNESS_LIMIT); | |
591f3dc2 MB |
4464 | |
4465 | #if B43_DEBUG | |
3db1cd5c RR |
4466 | phy->phy_locked = false; |
4467 | phy->radio_locked = false; | |
591f3dc2 | 4468 | #endif |
e4d6b795 MB |
4469 | } |
4470 | ||
4471 | static void setup_struct_wldev_for_init(struct b43_wldev *dev) | |
4472 | { | |
3db1cd5c | 4473 | dev->dfq_valid = false; |
aa6c7ae2 | 4474 | |
6a724d68 MB |
4475 | /* Assume the radio is enabled. If it's not enabled, the state will |
4476 | * immediately get fixed on the first periodic work run. */ | |
3db1cd5c | 4477 | dev->radio_hw_enable = true; |
e4d6b795 MB |
4478 | |
4479 | /* Stats */ | |
4480 | memset(&dev->stats, 0, sizeof(dev->stats)); | |
4481 | ||
4482 | setup_struct_phy_for_init(dev, &dev->phy); | |
4483 | ||
4484 | /* IRQ related flags */ | |
4485 | dev->irq_reason = 0; | |
4486 | memset(dev->dma_reason, 0, sizeof(dev->dma_reason)); | |
13790728 | 4487 | dev->irq_mask = B43_IRQ_MASKTEMPLATE; |
3e3ccb3d | 4488 | if (b43_modparam_verbose < B43_VERBOSITY_DEBUG) |
13790728 | 4489 | dev->irq_mask &= ~B43_IRQ_PHY_TXERR; |
e4d6b795 MB |
4490 | |
4491 | dev->mac_suspended = 1; | |
4492 | ||
4493 | /* Noise calculation context */ | |
4494 | memset(&dev->noisecalc, 0, sizeof(dev->noisecalc)); | |
4495 | } | |
4496 | ||
4497 | static void b43_bluetooth_coext_enable(struct b43_wldev *dev) | |
4498 | { | |
0581483a | 4499 | struct ssb_sprom *sprom = dev->dev->bus_sprom; |
a259d6a4 | 4500 | u64 hf; |
e4d6b795 | 4501 | |
1855ba78 MB |
4502 | if (!modparam_btcoex) |
4503 | return; | |
95de2841 | 4504 | if (!(sprom->boardflags_lo & B43_BFL_BTCOEXIST)) |
e4d6b795 MB |
4505 | return; |
4506 | if (dev->phy.type != B43_PHYTYPE_B && !dev->phy.gmode) | |
4507 | return; | |
4508 | ||
4509 | hf = b43_hf_read(dev); | |
95de2841 | 4510 | if (sprom->boardflags_lo & B43_BFL_BTCMOD) |
e4d6b795 MB |
4511 | hf |= B43_HF_BTCOEXALT; |
4512 | else | |
4513 | hf |= B43_HF_BTCOEX; | |
4514 | b43_hf_write(dev, hf); | |
e4d6b795 MB |
4515 | } |
4516 | ||
4517 | static void b43_bluetooth_coext_disable(struct b43_wldev *dev) | |
1855ba78 MB |
4518 | { |
4519 | if (!modparam_btcoex) | |
4520 | return; | |
4521 | //TODO | |
e4d6b795 MB |
4522 | } |
4523 | ||
4524 | static void b43_imcfglo_timeouts_workaround(struct b43_wldev *dev) | |
4525 | { | |
d48ae5c8 | 4526 | struct ssb_bus *bus; |
e4d6b795 MB |
4527 | u32 tmp; |
4528 | ||
bd7c8a59 | 4529 | #ifdef CONFIG_B43_SSB |
d48ae5c8 RM |
4530 | if (dev->dev->bus_type != B43_BUS_SSB) |
4531 | return; | |
bd7c8a59 RM |
4532 | #else |
4533 | return; | |
4534 | #endif | |
d48ae5c8 RM |
4535 | |
4536 | bus = dev->dev->sdev->bus; | |
4537 | ||
0fd82eaf RM |
4538 | if ((bus->chip_id == 0x4311 && bus->chip_rev == 2) || |
4539 | (bus->chip_id == 0x4312)) { | |
d48ae5c8 | 4540 | tmp = ssb_read32(dev->dev->sdev, SSB_IMCFGLO); |
0fd82eaf RM |
4541 | tmp &= ~SSB_IMCFGLO_REQTO; |
4542 | tmp &= ~SSB_IMCFGLO_SERTO; | |
4543 | tmp |= 0x3; | |
d48ae5c8 | 4544 | ssb_write32(dev->dev->sdev, SSB_IMCFGLO, tmp); |
0fd82eaf | 4545 | ssb_commit_settings(bus); |
e4d6b795 | 4546 | } |
e4d6b795 MB |
4547 | } |
4548 | ||
d59f720d MB |
4549 | static void b43_set_synth_pu_delay(struct b43_wldev *dev, bool idle) |
4550 | { | |
4551 | u16 pu_delay; | |
4552 | ||
4553 | /* The time value is in microseconds. */ | |
4554 | if (dev->phy.type == B43_PHYTYPE_A) | |
4555 | pu_delay = 3700; | |
4556 | else | |
4557 | pu_delay = 1050; | |
05c914fe | 4558 | if (b43_is_mode(dev->wl, NL80211_IFTYPE_ADHOC) || idle) |
d59f720d MB |
4559 | pu_delay = 500; |
4560 | if ((dev->phy.radio_ver == 0x2050) && (dev->phy.radio_rev == 8)) | |
4561 | pu_delay = max(pu_delay, (u16)2400); | |
4562 | ||
4563 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_SPUWKUP, pu_delay); | |
4564 | } | |
4565 | ||
4566 | /* Set the TSF CFP pre-TargetBeaconTransmissionTime. */ | |
4567 | static void b43_set_pretbtt(struct b43_wldev *dev) | |
4568 | { | |
4569 | u16 pretbtt; | |
4570 | ||
4571 | /* The time value is in microseconds. */ | |
05c914fe | 4572 | if (b43_is_mode(dev->wl, NL80211_IFTYPE_ADHOC)) { |
d59f720d MB |
4573 | pretbtt = 2; |
4574 | } else { | |
4575 | if (dev->phy.type == B43_PHYTYPE_A) | |
4576 | pretbtt = 120; | |
4577 | else | |
4578 | pretbtt = 250; | |
4579 | } | |
4580 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRETBTT, pretbtt); | |
4581 | b43_write16(dev, B43_MMIO_TSF_CFP_PRETBTT, pretbtt); | |
4582 | } | |
4583 | ||
e4d6b795 MB |
4584 | /* Shutdown a wireless core */ |
4585 | /* Locking: wl->mutex */ | |
4586 | static void b43_wireless_core_exit(struct b43_wldev *dev) | |
4587 | { | |
36dbd954 MB |
4588 | B43_WARN_ON(dev && b43_status(dev) > B43_STAT_INITIALIZED); |
4589 | if (!dev || b43_status(dev) != B43_STAT_INITIALIZED) | |
e4d6b795 | 4590 | return; |
84c164a3 | 4591 | |
e4d6b795 MB |
4592 | b43_set_status(dev, B43_STAT_UNINIT); |
4593 | ||
1f7d87b0 | 4594 | /* Stop the microcode PSM. */ |
5056635c RM |
4595 | b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_PSM_RUN, |
4596 | B43_MACCTL_PSM_JMP0); | |
1f7d87b0 | 4597 | |
50023008 HM |
4598 | switch (dev->dev->bus_type) { |
4599 | #ifdef CONFIG_B43_BCMA | |
4600 | case B43_BUS_BCMA: | |
4601 | bcma_core_pci_down(dev->dev->bdev->bus); | |
4602 | break; | |
4603 | #endif | |
4604 | #ifdef CONFIG_B43_SSB | |
4605 | case B43_BUS_SSB: | |
4606 | /* TODO */ | |
4607 | break; | |
4608 | #endif | |
4609 | } | |
4610 | ||
e4d6b795 | 4611 | b43_dma_free(dev); |
5100d5ac | 4612 | b43_pio_free(dev); |
e4d6b795 | 4613 | b43_chip_exit(dev); |
cb24f57f | 4614 | dev->phy.ops->switch_analog(dev, 0); |
e66fee6a MB |
4615 | if (dev->wl->current_beacon) { |
4616 | dev_kfree_skb_any(dev->wl->current_beacon); | |
4617 | dev->wl->current_beacon = NULL; | |
4618 | } | |
4619 | ||
24ca39d6 RM |
4620 | b43_device_disable(dev, 0); |
4621 | b43_bus_may_powerdown(dev); | |
e4d6b795 MB |
4622 | } |
4623 | ||
4624 | /* Initialize a wireless core */ | |
4625 | static int b43_wireless_core_init(struct b43_wldev *dev) | |
4626 | { | |
0581483a | 4627 | struct ssb_sprom *sprom = dev->dev->bus_sprom; |
e4d6b795 MB |
4628 | struct b43_phy *phy = &dev->phy; |
4629 | int err; | |
a259d6a4 | 4630 | u64 hf; |
e4d6b795 MB |
4631 | |
4632 | B43_WARN_ON(b43_status(dev) != B43_STAT_UNINIT); | |
4633 | ||
24ca39d6 | 4634 | err = b43_bus_powerup(dev, 0); |
e4d6b795 MB |
4635 | if (err) |
4636 | goto out; | |
4da909e7 RM |
4637 | if (!b43_device_is_enabled(dev)) |
4638 | b43_wireless_core_reset(dev, phy->gmode); | |
e4d6b795 | 4639 | |
fb11137a | 4640 | /* Reset all data structures. */ |
e4d6b795 | 4641 | setup_struct_wldev_for_init(dev); |
fb11137a | 4642 | phy->ops->prepare_structs(dev); |
e4d6b795 MB |
4643 | |
4644 | /* Enable IRQ routing to this device. */ | |
6cbab0d9 | 4645 | switch (dev->dev->bus_type) { |
42c9a458 RM |
4646 | #ifdef CONFIG_B43_BCMA |
4647 | case B43_BUS_BCMA: | |
dfae7143 | 4648 | bcma_core_pci_irq_ctl(&dev->dev->bdev->bus->drv_pci[0], |
42c9a458 | 4649 | dev->dev->bdev, true); |
50023008 | 4650 | bcma_core_pci_up(dev->dev->bdev->bus); |
42c9a458 RM |
4651 | break; |
4652 | #endif | |
6cbab0d9 RM |
4653 | #ifdef CONFIG_B43_SSB |
4654 | case B43_BUS_SSB: | |
4655 | ssb_pcicore_dev_irqvecs_enable(&dev->dev->sdev->bus->pcicore, | |
4656 | dev->dev->sdev); | |
4657 | break; | |
4658 | #endif | |
4659 | } | |
e4d6b795 MB |
4660 | |
4661 | b43_imcfglo_timeouts_workaround(dev); | |
4662 | b43_bluetooth_coext_disable(dev); | |
fb11137a MB |
4663 | if (phy->ops->prepare_hardware) { |
4664 | err = phy->ops->prepare_hardware(dev); | |
ef1a628d | 4665 | if (err) |
fb11137a | 4666 | goto err_busdown; |
ef1a628d | 4667 | } |
e4d6b795 MB |
4668 | err = b43_chip_init(dev); |
4669 | if (err) | |
fb11137a | 4670 | goto err_busdown; |
e4d6b795 | 4671 | b43_shm_write16(dev, B43_SHM_SHARED, |
21d889d4 | 4672 | B43_SHM_SH_WLCOREREV, dev->dev->core_rev); |
e4d6b795 MB |
4673 | hf = b43_hf_read(dev); |
4674 | if (phy->type == B43_PHYTYPE_G) { | |
4675 | hf |= B43_HF_SYMW; | |
4676 | if (phy->rev == 1) | |
4677 | hf |= B43_HF_GDCW; | |
95de2841 | 4678 | if (sprom->boardflags_lo & B43_BFL_PACTRL) |
e4d6b795 | 4679 | hf |= B43_HF_OFDMPABOOST; |
969d15cf MB |
4680 | } |
4681 | if (phy->radio_ver == 0x2050) { | |
4682 | if (phy->radio_rev == 6) | |
4683 | hf |= B43_HF_4318TSSI; | |
4684 | if (phy->radio_rev < 6) | |
4685 | hf |= B43_HF_VCORECALC; | |
e4d6b795 | 4686 | } |
1cc8f476 MB |
4687 | if (sprom->boardflags_lo & B43_BFL_XTAL_NOSLOW) |
4688 | hf |= B43_HF_DSCRQ; /* Disable slowclock requests from ucode. */ | |
bd7c8a59 | 4689 | #if defined(CONFIG_B43_SSB) && defined(CONFIG_SSB_DRIVER_PCICORE) |
6cbab0d9 RM |
4690 | if (dev->dev->bus_type == B43_BUS_SSB && |
4691 | dev->dev->sdev->bus->bustype == SSB_BUSTYPE_PCI && | |
4692 | dev->dev->sdev->bus->pcicore.dev->id.revision <= 10) | |
8821905c | 4693 | hf |= B43_HF_PCISCW; /* PCI slow clock workaround. */ |
1a77733c | 4694 | #endif |
25d3ef59 | 4695 | hf &= ~B43_HF_SKCFPUP; |
e4d6b795 MB |
4696 | b43_hf_write(dev, hf); |
4697 | ||
74cfdba7 MB |
4698 | b43_set_retry_limits(dev, B43_DEFAULT_SHORT_RETRY_LIMIT, |
4699 | B43_DEFAULT_LONG_RETRY_LIMIT); | |
e4d6b795 MB |
4700 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_SFFBLIM, 3); |
4701 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_LFFBLIM, 2); | |
4702 | ||
4703 | /* Disable sending probe responses from firmware. | |
4704 | * Setting the MaxTime to one usec will always trigger | |
4705 | * a timeout, so we never send any probe resp. | |
4706 | * A timeout of zero is infinite. */ | |
4707 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRMAXTIME, 1); | |
4708 | ||
4709 | b43_rate_memory_init(dev); | |
5042c507 | 4710 | b43_set_phytxctl_defaults(dev); |
e4d6b795 MB |
4711 | |
4712 | /* Minimum Contention Window */ | |
c5a079f4 | 4713 | if (phy->type == B43_PHYTYPE_B) |
e4d6b795 | 4714 | b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_MINCONT, 0x1F); |
c5a079f4 | 4715 | else |
e4d6b795 | 4716 | b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_MINCONT, 0xF); |
e4d6b795 MB |
4717 | /* Maximum Contention Window */ |
4718 | b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_MAXCONT, 0x3FF); | |
4719 | ||
505fb019 | 4720 | if (b43_bus_host_is_pcmcia(dev->dev) || |
cbe1e82a | 4721 | b43_bus_host_is_sdio(dev->dev)) { |
3db1cd5c | 4722 | dev->__using_pio_transfers = true; |
cbe1e82a RM |
4723 | err = b43_pio_init(dev); |
4724 | } else if (dev->use_pio) { | |
4725 | b43warn(dev->wl, "Forced PIO by use_pio module parameter. " | |
4726 | "This should not be needed and will result in lower " | |
4727 | "performance.\n"); | |
3db1cd5c | 4728 | dev->__using_pio_transfers = true; |
5100d5ac MB |
4729 | err = b43_pio_init(dev); |
4730 | } else { | |
3db1cd5c | 4731 | dev->__using_pio_transfers = false; |
5100d5ac MB |
4732 | err = b43_dma_init(dev); |
4733 | } | |
e4d6b795 MB |
4734 | if (err) |
4735 | goto err_chip_exit; | |
03b29773 | 4736 | b43_qos_init(dev); |
d59f720d | 4737 | b43_set_synth_pu_delay(dev, 1); |
e4d6b795 MB |
4738 | b43_bluetooth_coext_enable(dev); |
4739 | ||
24ca39d6 | 4740 | b43_bus_powerup(dev, !(sprom->boardflags_lo & B43_BFL_XTAL_NOSLOW)); |
4150c572 | 4741 | b43_upload_card_macaddress(dev); |
e4d6b795 | 4742 | b43_security_init(dev); |
e4d6b795 | 4743 | |
5ab9549a | 4744 | ieee80211_wake_queues(dev->wl->hw); |
e4d6b795 MB |
4745 | |
4746 | b43_set_status(dev, B43_STAT_INITIALIZED); | |
4747 | ||
1a8d1227 | 4748 | out: |
e4d6b795 MB |
4749 | return err; |
4750 | ||
ef1a628d | 4751 | err_chip_exit: |
e4d6b795 | 4752 | b43_chip_exit(dev); |
ef1a628d | 4753 | err_busdown: |
24ca39d6 | 4754 | b43_bus_may_powerdown(dev); |
e4d6b795 MB |
4755 | B43_WARN_ON(b43_status(dev) != B43_STAT_UNINIT); |
4756 | return err; | |
4757 | } | |
4758 | ||
40faacc4 | 4759 | static int b43_op_add_interface(struct ieee80211_hw *hw, |
1ed32e4f | 4760 | struct ieee80211_vif *vif) |
e4d6b795 MB |
4761 | { |
4762 | struct b43_wl *wl = hw_to_b43_wl(hw); | |
4763 | struct b43_wldev *dev; | |
e4d6b795 | 4764 | int err = -EOPNOTSUPP; |
4150c572 JB |
4765 | |
4766 | /* TODO: allow WDS/AP devices to coexist */ | |
4767 | ||
1ed32e4f JB |
4768 | if (vif->type != NL80211_IFTYPE_AP && |
4769 | vif->type != NL80211_IFTYPE_MESH_POINT && | |
4770 | vif->type != NL80211_IFTYPE_STATION && | |
4771 | vif->type != NL80211_IFTYPE_WDS && | |
4772 | vif->type != NL80211_IFTYPE_ADHOC) | |
4150c572 | 4773 | return -EOPNOTSUPP; |
e4d6b795 MB |
4774 | |
4775 | mutex_lock(&wl->mutex); | |
4150c572 | 4776 | if (wl->operating) |
e4d6b795 MB |
4777 | goto out_mutex_unlock; |
4778 | ||
1ed32e4f | 4779 | b43dbg(wl, "Adding Interface type %d\n", vif->type); |
e4d6b795 MB |
4780 | |
4781 | dev = wl->current_dev; | |
3db1cd5c | 4782 | wl->operating = true; |
1ed32e4f JB |
4783 | wl->vif = vif; |
4784 | wl->if_type = vif->type; | |
4785 | memcpy(wl->mac_addr, vif->addr, ETH_ALEN); | |
4150c572 | 4786 | |
4150c572 | 4787 | b43_adjust_opmode(dev); |
d59f720d MB |
4788 | b43_set_pretbtt(dev); |
4789 | b43_set_synth_pu_delay(dev, 0); | |
4150c572 | 4790 | b43_upload_card_macaddress(dev); |
4150c572 JB |
4791 | |
4792 | err = 0; | |
4793 | out_mutex_unlock: | |
4794 | mutex_unlock(&wl->mutex); | |
4795 | ||
2a190322 FF |
4796 | if (err == 0) |
4797 | b43_op_bss_info_changed(hw, vif, &vif->bss_conf, ~0); | |
4798 | ||
4150c572 JB |
4799 | return err; |
4800 | } | |
4801 | ||
40faacc4 | 4802 | static void b43_op_remove_interface(struct ieee80211_hw *hw, |
1ed32e4f | 4803 | struct ieee80211_vif *vif) |
4150c572 JB |
4804 | { |
4805 | struct b43_wl *wl = hw_to_b43_wl(hw); | |
4806 | struct b43_wldev *dev = wl->current_dev; | |
4150c572 | 4807 | |
1ed32e4f | 4808 | b43dbg(wl, "Removing Interface type %d\n", vif->type); |
4150c572 JB |
4809 | |
4810 | mutex_lock(&wl->mutex); | |
4811 | ||
4812 | B43_WARN_ON(!wl->operating); | |
1ed32e4f | 4813 | B43_WARN_ON(wl->vif != vif); |
32bfd35d | 4814 | wl->vif = NULL; |
4150c572 | 4815 | |
3db1cd5c | 4816 | wl->operating = false; |
4150c572 | 4817 | |
4150c572 JB |
4818 | b43_adjust_opmode(dev); |
4819 | memset(wl->mac_addr, 0, ETH_ALEN); | |
4820 | b43_upload_card_macaddress(dev); | |
4150c572 JB |
4821 | |
4822 | mutex_unlock(&wl->mutex); | |
4823 | } | |
4824 | ||
40faacc4 | 4825 | static int b43_op_start(struct ieee80211_hw *hw) |
4150c572 JB |
4826 | { |
4827 | struct b43_wl *wl = hw_to_b43_wl(hw); | |
4828 | struct b43_wldev *dev = wl->current_dev; | |
4829 | int did_init = 0; | |
923403b8 | 4830 | int err = 0; |
4150c572 | 4831 | |
7be1bb6b MB |
4832 | /* Kill all old instance specific information to make sure |
4833 | * the card won't use it in the short timeframe between start | |
4834 | * and mac80211 reconfiguring it. */ | |
4835 | memset(wl->bssid, 0, ETH_ALEN); | |
4836 | memset(wl->mac_addr, 0, ETH_ALEN); | |
4837 | wl->filter_flags = 0; | |
3db1cd5c | 4838 | wl->radiotap_enabled = false; |
e6f5b934 | 4839 | b43_qos_clear(wl); |
3db1cd5c RR |
4840 | wl->beacon0_uploaded = false; |
4841 | wl->beacon1_uploaded = false; | |
4842 | wl->beacon_templates_virgin = true; | |
4843 | wl->radio_enabled = true; | |
7be1bb6b | 4844 | |
4150c572 JB |
4845 | mutex_lock(&wl->mutex); |
4846 | ||
e4d6b795 MB |
4847 | if (b43_status(dev) < B43_STAT_INITIALIZED) { |
4848 | err = b43_wireless_core_init(dev); | |
f41f3f37 | 4849 | if (err) |
e4d6b795 MB |
4850 | goto out_mutex_unlock; |
4851 | did_init = 1; | |
4852 | } | |
4150c572 | 4853 | |
e4d6b795 MB |
4854 | if (b43_status(dev) < B43_STAT_STARTED) { |
4855 | err = b43_wireless_core_start(dev); | |
4856 | if (err) { | |
4857 | if (did_init) | |
4858 | b43_wireless_core_exit(dev); | |
4859 | goto out_mutex_unlock; | |
4860 | } | |
4861 | } | |
4862 | ||
f41f3f37 JB |
4863 | /* XXX: only do if device doesn't support rfkill irq */ |
4864 | wiphy_rfkill_start_polling(hw->wiphy); | |
4865 | ||
4150c572 | 4866 | out_mutex_unlock: |
e4d6b795 MB |
4867 | mutex_unlock(&wl->mutex); |
4868 | ||
dbdedbdf SF |
4869 | /* |
4870 | * Configuration may have been overwritten during initialization. | |
4871 | * Reload the configuration, but only if initialization was | |
4872 | * successful. Reloading the configuration after a failed init | |
4873 | * may hang the system. | |
4874 | */ | |
4875 | if (!err) | |
4876 | b43_op_config(hw, ~0); | |
2a190322 | 4877 | |
e4d6b795 MB |
4878 | return err; |
4879 | } | |
4880 | ||
40faacc4 | 4881 | static void b43_op_stop(struct ieee80211_hw *hw) |
e4d6b795 MB |
4882 | { |
4883 | struct b43_wl *wl = hw_to_b43_wl(hw); | |
4150c572 | 4884 | struct b43_wldev *dev = wl->current_dev; |
e4d6b795 | 4885 | |
a82d9922 | 4886 | cancel_work_sync(&(wl->beacon_update_trigger)); |
1a8d1227 | 4887 | |
ccde8a45 GL |
4888 | if (!dev) |
4889 | goto out; | |
4890 | ||
e4d6b795 | 4891 | mutex_lock(&wl->mutex); |
36dbd954 MB |
4892 | if (b43_status(dev) >= B43_STAT_STARTED) { |
4893 | dev = b43_wireless_core_stop(dev); | |
4894 | if (!dev) | |
4895 | goto out_unlock; | |
4896 | } | |
4150c572 | 4897 | b43_wireless_core_exit(dev); |
3db1cd5c | 4898 | wl->radio_enabled = false; |
36dbd954 MB |
4899 | |
4900 | out_unlock: | |
e4d6b795 | 4901 | mutex_unlock(&wl->mutex); |
ccde8a45 | 4902 | out: |
18c8adeb | 4903 | cancel_work_sync(&(wl->txpower_adjust_work)); |
e4d6b795 MB |
4904 | } |
4905 | ||
17741cdc JB |
4906 | static int b43_op_beacon_set_tim(struct ieee80211_hw *hw, |
4907 | struct ieee80211_sta *sta, bool set) | |
e66fee6a MB |
4908 | { |
4909 | struct b43_wl *wl = hw_to_b43_wl(hw); | |
4910 | ||
8f611288 | 4911 | /* FIXME: add locking */ |
9d139c81 | 4912 | b43_update_templates(wl); |
e66fee6a MB |
4913 | |
4914 | return 0; | |
4915 | } | |
4916 | ||
38968d09 JB |
4917 | static void b43_op_sta_notify(struct ieee80211_hw *hw, |
4918 | struct ieee80211_vif *vif, | |
4919 | enum sta_notify_cmd notify_cmd, | |
17741cdc | 4920 | struct ieee80211_sta *sta) |
38968d09 JB |
4921 | { |
4922 | struct b43_wl *wl = hw_to_b43_wl(hw); | |
4923 | ||
4924 | B43_WARN_ON(!vif || wl->vif != vif); | |
4925 | } | |
4926 | ||
25d3ef59 MB |
4927 | static void b43_op_sw_scan_start_notifier(struct ieee80211_hw *hw) |
4928 | { | |
4929 | struct b43_wl *wl = hw_to_b43_wl(hw); | |
4930 | struct b43_wldev *dev; | |
4931 | ||
4932 | mutex_lock(&wl->mutex); | |
4933 | dev = wl->current_dev; | |
4934 | if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED)) { | |
4935 | /* Disable CFP update during scan on other channels. */ | |
4936 | b43_hf_write(dev, b43_hf_read(dev) | B43_HF_SKCFPUP); | |
4937 | } | |
4938 | mutex_unlock(&wl->mutex); | |
4939 | } | |
4940 | ||
4941 | static void b43_op_sw_scan_complete_notifier(struct ieee80211_hw *hw) | |
4942 | { | |
4943 | struct b43_wl *wl = hw_to_b43_wl(hw); | |
4944 | struct b43_wldev *dev; | |
4945 | ||
4946 | mutex_lock(&wl->mutex); | |
4947 | dev = wl->current_dev; | |
4948 | if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED)) { | |
4949 | /* Re-enable CFP update. */ | |
4950 | b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_SKCFPUP); | |
4951 | } | |
4952 | mutex_unlock(&wl->mutex); | |
4953 | } | |
4954 | ||
354b4f04 JL |
4955 | static int b43_op_get_survey(struct ieee80211_hw *hw, int idx, |
4956 | struct survey_info *survey) | |
4957 | { | |
4958 | struct b43_wl *wl = hw_to_b43_wl(hw); | |
4959 | struct b43_wldev *dev = wl->current_dev; | |
4960 | struct ieee80211_conf *conf = &hw->conf; | |
4961 | ||
4962 | if (idx != 0) | |
4963 | return -ENOENT; | |
4964 | ||
675a0b04 | 4965 | survey->channel = conf->chandef.chan; |
354b4f04 JL |
4966 | survey->filled = SURVEY_INFO_NOISE_DBM; |
4967 | survey->noise = dev->stats.link_noise; | |
4968 | ||
4969 | return 0; | |
4970 | } | |
4971 | ||
e4d6b795 | 4972 | static const struct ieee80211_ops b43_hw_ops = { |
40faacc4 MB |
4973 | .tx = b43_op_tx, |
4974 | .conf_tx = b43_op_conf_tx, | |
4975 | .add_interface = b43_op_add_interface, | |
4976 | .remove_interface = b43_op_remove_interface, | |
4977 | .config = b43_op_config, | |
c7ab5ef9 | 4978 | .bss_info_changed = b43_op_bss_info_changed, |
40faacc4 MB |
4979 | .configure_filter = b43_op_configure_filter, |
4980 | .set_key = b43_op_set_key, | |
035d0243 | 4981 | .update_tkip_key = b43_op_update_tkip_key, |
40faacc4 | 4982 | .get_stats = b43_op_get_stats, |
08e87a83 AF |
4983 | .get_tsf = b43_op_get_tsf, |
4984 | .set_tsf = b43_op_set_tsf, | |
40faacc4 MB |
4985 | .start = b43_op_start, |
4986 | .stop = b43_op_stop, | |
e66fee6a | 4987 | .set_tim = b43_op_beacon_set_tim, |
38968d09 | 4988 | .sta_notify = b43_op_sta_notify, |
25d3ef59 MB |
4989 | .sw_scan_start = b43_op_sw_scan_start_notifier, |
4990 | .sw_scan_complete = b43_op_sw_scan_complete_notifier, | |
354b4f04 | 4991 | .get_survey = b43_op_get_survey, |
f41f3f37 | 4992 | .rfkill_poll = b43_rfkill_poll, |
e4d6b795 MB |
4993 | }; |
4994 | ||
4995 | /* Hard-reset the chip. Do not call this directly. | |
4996 | * Use b43_controller_restart() | |
4997 | */ | |
4998 | static void b43_chip_reset(struct work_struct *work) | |
4999 | { | |
5000 | struct b43_wldev *dev = | |
5001 | container_of(work, struct b43_wldev, restart_work); | |
5002 | struct b43_wl *wl = dev->wl; | |
5003 | int err = 0; | |
5004 | int prev_status; | |
5005 | ||
5006 | mutex_lock(&wl->mutex); | |
5007 | ||
5008 | prev_status = b43_status(dev); | |
5009 | /* Bring the device down... */ | |
36dbd954 MB |
5010 | if (prev_status >= B43_STAT_STARTED) { |
5011 | dev = b43_wireless_core_stop(dev); | |
5012 | if (!dev) { | |
5013 | err = -ENODEV; | |
5014 | goto out; | |
5015 | } | |
5016 | } | |
e4d6b795 MB |
5017 | if (prev_status >= B43_STAT_INITIALIZED) |
5018 | b43_wireless_core_exit(dev); | |
5019 | ||
5020 | /* ...and up again. */ | |
5021 | if (prev_status >= B43_STAT_INITIALIZED) { | |
5022 | err = b43_wireless_core_init(dev); | |
5023 | if (err) | |
5024 | goto out; | |
5025 | } | |
5026 | if (prev_status >= B43_STAT_STARTED) { | |
5027 | err = b43_wireless_core_start(dev); | |
5028 | if (err) { | |
5029 | b43_wireless_core_exit(dev); | |
5030 | goto out; | |
5031 | } | |
5032 | } | |
3bf0a32e MB |
5033 | out: |
5034 | if (err) | |
5035 | wl->current_dev = NULL; /* Failed to init the dev. */ | |
e4d6b795 | 5036 | mutex_unlock(&wl->mutex); |
2a190322 FF |
5037 | |
5038 | if (err) { | |
e4d6b795 | 5039 | b43err(wl, "Controller restart FAILED\n"); |
2a190322 FF |
5040 | return; |
5041 | } | |
5042 | ||
5043 | /* reload configuration */ | |
5044 | b43_op_config(wl->hw, ~0); | |
5045 | if (wl->vif) | |
5046 | b43_op_bss_info_changed(wl->hw, wl->vif, &wl->vif->bss_conf, ~0); | |
5047 | ||
5048 | b43info(wl, "Controller restarted\n"); | |
e4d6b795 MB |
5049 | } |
5050 | ||
bb1eeff1 | 5051 | static int b43_setup_bands(struct b43_wldev *dev, |
96c755a3 | 5052 | bool have_2ghz_phy, bool have_5ghz_phy) |
e4d6b795 MB |
5053 | { |
5054 | struct ieee80211_hw *hw = dev->wl->hw; | |
e4d6b795 | 5055 | |
bb1eeff1 MB |
5056 | if (have_2ghz_phy) |
5057 | hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &b43_band_2GHz; | |
5058 | if (dev->phy.type == B43_PHYTYPE_N) { | |
5059 | if (have_5ghz_phy) | |
5060 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &b43_band_5GHz_nphy; | |
5061 | } else { | |
5062 | if (have_5ghz_phy) | |
5063 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &b43_band_5GHz_aphy; | |
5064 | } | |
96c755a3 | 5065 | |
bb1eeff1 MB |
5066 | dev->phy.supports_2ghz = have_2ghz_phy; |
5067 | dev->phy.supports_5ghz = have_5ghz_phy; | |
e4d6b795 MB |
5068 | |
5069 | return 0; | |
5070 | } | |
5071 | ||
5072 | static void b43_wireless_core_detach(struct b43_wldev *dev) | |
5073 | { | |
5074 | /* We release firmware that late to not be required to re-request | |
5075 | * is all the time when we reinit the core. */ | |
5076 | b43_release_firmware(dev); | |
fb11137a | 5077 | b43_phy_free(dev); |
e4d6b795 MB |
5078 | } |
5079 | ||
075ca604 RM |
5080 | static void b43_supported_bands(struct b43_wldev *dev, bool *have_2ghz_phy, |
5081 | bool *have_5ghz_phy) | |
5082 | { | |
5083 | u16 dev_id = 0; | |
5084 | ||
773cfc50 RM |
5085 | #ifdef CONFIG_B43_BCMA |
5086 | if (dev->dev->bus_type == B43_BUS_BCMA && | |
5087 | dev->dev->bdev->bus->hosttype == BCMA_HOSTTYPE_PCI) | |
5088 | dev_id = dev->dev->bdev->bus->host_pci->device; | |
5089 | #endif | |
075ca604 RM |
5090 | #ifdef CONFIG_B43_SSB |
5091 | if (dev->dev->bus_type == B43_BUS_SSB && | |
5092 | dev->dev->sdev->bus->bustype == SSB_BUSTYPE_PCI) | |
5093 | dev_id = dev->dev->sdev->bus->host_pci->device; | |
5094 | #endif | |
773cfc50 RM |
5095 | /* Override with SPROM value if available */ |
5096 | if (dev->dev->bus_sprom->dev_id) | |
5097 | dev_id = dev->dev->bus_sprom->dev_id; | |
075ca604 RM |
5098 | |
5099 | /* Note: below IDs can be "virtual" (not maching e.g. real PCI ID) */ | |
5100 | switch (dev_id) { | |
5101 | case 0x4324: /* BCM4306 */ | |
5102 | case 0x4312: /* BCM4311 */ | |
5103 | case 0x4319: /* BCM4318 */ | |
773cfc50 RM |
5104 | case 0x4328: /* BCM4321 */ |
5105 | case 0x432b: /* BCM4322 */ | |
5106 | case 0x4350: /* BCM43222 */ | |
5107 | case 0x4353: /* BCM43224 */ | |
5108 | case 0x0576: /* BCM43224 */ | |
5109 | case 0x435f: /* BCM6362 */ | |
5110 | case 0x4331: /* BCM4331 */ | |
5111 | case 0x4359: /* BCM43228 */ | |
5112 | case 0x43a0: /* BCM4360 */ | |
5113 | case 0x43b1: /* BCM4352 */ | |
075ca604 RM |
5114 | /* Dual band devices */ |
5115 | *have_2ghz_phy = true; | |
5116 | *have_5ghz_phy = true; | |
5117 | return; | |
773cfc50 RM |
5118 | case 0x4321: /* BCM4306 */ |
5119 | case 0x4313: /* BCM4311 */ | |
5120 | case 0x431a: /* BCM4318 */ | |
5121 | case 0x432a: /* BCM4321 */ | |
5122 | case 0x432d: /* BCM4322 */ | |
5123 | case 0x4352: /* BCM43222 */ | |
5124 | case 0x4333: /* BCM4331 */ | |
5125 | case 0x43a2: /* BCM4360 */ | |
5126 | case 0x43b3: /* BCM4352 */ | |
5127 | /* 5 GHz only devices */ | |
5128 | *have_2ghz_phy = false; | |
5129 | *have_5ghz_phy = true; | |
5130 | return; | |
075ca604 RM |
5131 | } |
5132 | ||
5133 | /* As a fallback, try to guess using PHY type */ | |
5134 | switch (dev->phy.type) { | |
5135 | case B43_PHYTYPE_A: | |
5136 | *have_2ghz_phy = false; | |
5137 | *have_5ghz_phy = true; | |
5138 | return; | |
5139 | case B43_PHYTYPE_G: | |
5140 | case B43_PHYTYPE_N: | |
5141 | case B43_PHYTYPE_LP: | |
5142 | case B43_PHYTYPE_HT: | |
5143 | case B43_PHYTYPE_LCN: | |
5144 | *have_2ghz_phy = true; | |
5145 | *have_5ghz_phy = false; | |
5146 | return; | |
5147 | } | |
5148 | ||
5149 | B43_WARN_ON(1); | |
5150 | } | |
5151 | ||
e4d6b795 MB |
5152 | static int b43_wireless_core_attach(struct b43_wldev *dev) |
5153 | { | |
5154 | struct b43_wl *wl = dev->wl; | |
09951ad4 | 5155 | struct b43_phy *phy = &dev->phy; |
e4d6b795 | 5156 | int err; |
40c62269 | 5157 | u32 tmp; |
3db1cd5c | 5158 | bool have_2ghz_phy = false, have_5ghz_phy = false; |
e4d6b795 MB |
5159 | |
5160 | /* Do NOT do any device initialization here. | |
5161 | * Do it in wireless_core_init() instead. | |
5162 | * This function is for gathering basic information about the HW, only. | |
5163 | * Also some structs may be set up here. But most likely you want to have | |
5164 | * that in core_init(), too. | |
5165 | */ | |
5166 | ||
24ca39d6 | 5167 | err = b43_bus_powerup(dev, 0); |
e4d6b795 MB |
5168 | if (err) { |
5169 | b43err(wl, "Bus powerup failed\n"); | |
5170 | goto out; | |
5171 | } | |
e4d6b795 | 5172 | |
09951ad4 RM |
5173 | phy->do_full_init = true; |
5174 | ||
075ca604 | 5175 | /* Try to guess supported bands for the first init needs */ |
6cbab0d9 | 5176 | switch (dev->dev->bus_type) { |
42c9a458 RM |
5177 | #ifdef CONFIG_B43_BCMA |
5178 | case B43_BUS_BCMA: | |
40c62269 RM |
5179 | tmp = bcma_aread32(dev->dev->bdev, BCMA_IOST); |
5180 | have_2ghz_phy = !!(tmp & B43_BCMA_IOST_2G_PHY); | |
5181 | have_5ghz_phy = !!(tmp & B43_BCMA_IOST_5G_PHY); | |
42c9a458 RM |
5182 | break; |
5183 | #endif | |
6cbab0d9 RM |
5184 | #ifdef CONFIG_B43_SSB |
5185 | case B43_BUS_SSB: | |
5186 | if (dev->dev->core_rev >= 5) { | |
40c62269 RM |
5187 | tmp = ssb_read32(dev->dev->sdev, SSB_TMSHIGH); |
5188 | have_2ghz_phy = !!(tmp & B43_TMSHIGH_HAVE_2GHZ_PHY); | |
5189 | have_5ghz_phy = !!(tmp & B43_TMSHIGH_HAVE_5GHZ_PHY); | |
6cbab0d9 RM |
5190 | } else |
5191 | B43_WARN_ON(1); | |
5192 | break; | |
5193 | #endif | |
5194 | } | |
e4d6b795 | 5195 | |
96c755a3 | 5196 | dev->phy.gmode = have_2ghz_phy; |
4da909e7 | 5197 | b43_wireless_core_reset(dev, dev->phy.gmode); |
e4d6b795 | 5198 | |
075ca604 | 5199 | /* Get the PHY type. */ |
e4d6b795 MB |
5200 | err = b43_phy_versioning(dev); |
5201 | if (err) | |
21954c36 | 5202 | goto err_powerdown; |
075ca604 RM |
5203 | |
5204 | /* Get real info about supported bands */ | |
5205 | b43_supported_bands(dev, &have_2ghz_phy, &have_5ghz_phy); | |
5206 | ||
5207 | /* We don't support 5 GHz on some PHYs yet */ | |
5208 | switch (dev->phy.type) { | |
5209 | case B43_PHYTYPE_A: | |
5210 | case B43_PHYTYPE_N: | |
5211 | case B43_PHYTYPE_LP: | |
773cfc50 | 5212 | case B43_PHYTYPE_HT: |
075ca604 | 5213 | b43warn(wl, "5 GHz band is unsupported on this PHY\n"); |
3db1cd5c | 5214 | have_5ghz_phy = false; |
e4d6b795 | 5215 | } |
075ca604 RM |
5216 | |
5217 | if (!have_2ghz_phy && !have_5ghz_phy) { | |
5218 | b43err(wl, "b43 can't support any band on this device\n"); | |
96c755a3 MB |
5219 | err = -EOPNOTSUPP; |
5220 | goto err_powerdown; | |
5221 | } | |
2e35af14 | 5222 | |
fb11137a MB |
5223 | err = b43_phy_allocate(dev); |
5224 | if (err) | |
5225 | goto err_powerdown; | |
5226 | ||
96c755a3 | 5227 | dev->phy.gmode = have_2ghz_phy; |
4da909e7 | 5228 | b43_wireless_core_reset(dev, dev->phy.gmode); |
e4d6b795 MB |
5229 | |
5230 | err = b43_validate_chipaccess(dev); | |
5231 | if (err) | |
fb11137a | 5232 | goto err_phy_free; |
bb1eeff1 | 5233 | err = b43_setup_bands(dev, have_2ghz_phy, have_5ghz_phy); |
e4d6b795 | 5234 | if (err) |
fb11137a | 5235 | goto err_phy_free; |
e4d6b795 MB |
5236 | |
5237 | /* Now set some default "current_dev" */ | |
5238 | if (!wl->current_dev) | |
5239 | wl->current_dev = dev; | |
5240 | INIT_WORK(&dev->restart_work, b43_chip_reset); | |
5241 | ||
cb24f57f | 5242 | dev->phy.ops->switch_analog(dev, 0); |
24ca39d6 RM |
5243 | b43_device_disable(dev, 0); |
5244 | b43_bus_may_powerdown(dev); | |
e4d6b795 MB |
5245 | |
5246 | out: | |
5247 | return err; | |
5248 | ||
fb11137a MB |
5249 | err_phy_free: |
5250 | b43_phy_free(dev); | |
e4d6b795 | 5251 | err_powerdown: |
24ca39d6 | 5252 | b43_bus_may_powerdown(dev); |
e4d6b795 MB |
5253 | return err; |
5254 | } | |
5255 | ||
482f0538 | 5256 | static void b43_one_core_detach(struct b43_bus_dev *dev) |
e4d6b795 MB |
5257 | { |
5258 | struct b43_wldev *wldev; | |
5259 | struct b43_wl *wl; | |
5260 | ||
3bf0a32e MB |
5261 | /* Do not cancel ieee80211-workqueue based work here. |
5262 | * See comment in b43_remove(). */ | |
5263 | ||
74abacb6 | 5264 | wldev = b43_bus_get_wldev(dev); |
e4d6b795 | 5265 | wl = wldev->wl; |
e4d6b795 MB |
5266 | b43_debugfs_remove_device(wldev); |
5267 | b43_wireless_core_detach(wldev); | |
5268 | list_del(&wldev->list); | |
74abacb6 | 5269 | b43_bus_set_wldev(dev, NULL); |
e4d6b795 MB |
5270 | kfree(wldev); |
5271 | } | |
5272 | ||
482f0538 | 5273 | static int b43_one_core_attach(struct b43_bus_dev *dev, struct b43_wl *wl) |
e4d6b795 MB |
5274 | { |
5275 | struct b43_wldev *wldev; | |
e4d6b795 MB |
5276 | int err = -ENOMEM; |
5277 | ||
e4d6b795 MB |
5278 | wldev = kzalloc(sizeof(*wldev), GFP_KERNEL); |
5279 | if (!wldev) | |
5280 | goto out; | |
5281 | ||
9e3bd919 | 5282 | wldev->use_pio = b43_modparam_pio; |
482f0538 | 5283 | wldev->dev = dev; |
e4d6b795 MB |
5284 | wldev->wl = wl; |
5285 | b43_set_status(wldev, B43_STAT_UNINIT); | |
5286 | wldev->bad_frames_preempt = modparam_bad_frames_preempt; | |
e4d6b795 MB |
5287 | INIT_LIST_HEAD(&wldev->list); |
5288 | ||
5289 | err = b43_wireless_core_attach(wldev); | |
5290 | if (err) | |
5291 | goto err_kfree_wldev; | |
5292 | ||
74abacb6 | 5293 | b43_bus_set_wldev(dev, wldev); |
e4d6b795 MB |
5294 | b43_debugfs_add_device(wldev); |
5295 | ||
5296 | out: | |
5297 | return err; | |
5298 | ||
5299 | err_kfree_wldev: | |
5300 | kfree(wldev); | |
5301 | return err; | |
5302 | } | |
5303 | ||
9fc38458 MB |
5304 | #define IS_PDEV(pdev, _vendor, _device, _subvendor, _subdevice) ( \ |
5305 | (pdev->vendor == PCI_VENDOR_ID_##_vendor) && \ | |
5306 | (pdev->device == _device) && \ | |
5307 | (pdev->subsystem_vendor == PCI_VENDOR_ID_##_subvendor) && \ | |
5308 | (pdev->subsystem_device == _subdevice) ) | |
5309 | ||
bd7c8a59 | 5310 | #ifdef CONFIG_B43_SSB |
e4d6b795 MB |
5311 | static void b43_sprom_fixup(struct ssb_bus *bus) |
5312 | { | |
1855ba78 MB |
5313 | struct pci_dev *pdev; |
5314 | ||
e4d6b795 MB |
5315 | /* boardflags workarounds */ |
5316 | if (bus->boardinfo.vendor == SSB_BOARDVENDOR_DELL && | |
5a20ef3d | 5317 | bus->chip_id == 0x4301 && bus->sprom.board_rev == 0x74) |
95de2841 | 5318 | bus->sprom.boardflags_lo |= B43_BFL_BTCOEXIST; |
e4d6b795 | 5319 | if (bus->boardinfo.vendor == PCI_VENDOR_ID_APPLE && |
5a20ef3d | 5320 | bus->boardinfo.type == 0x4E && bus->sprom.board_rev > 0x40) |
95de2841 | 5321 | bus->sprom.boardflags_lo |= B43_BFL_PACTRL; |
1855ba78 MB |
5322 | if (bus->bustype == SSB_BUSTYPE_PCI) { |
5323 | pdev = bus->host_pci; | |
9fc38458 | 5324 | if (IS_PDEV(pdev, BROADCOM, 0x4318, ASUSTEK, 0x100F) || |
430cd47f | 5325 | IS_PDEV(pdev, BROADCOM, 0x4320, DELL, 0x0003) || |
570bdfb1 | 5326 | IS_PDEV(pdev, BROADCOM, 0x4320, HP, 0x12f8) || |
9fc38458 | 5327 | IS_PDEV(pdev, BROADCOM, 0x4320, LINKSYS, 0x0015) || |
a58d4522 | 5328 | IS_PDEV(pdev, BROADCOM, 0x4320, LINKSYS, 0x0014) || |
3bb91bff LF |
5329 | IS_PDEV(pdev, BROADCOM, 0x4320, LINKSYS, 0x0013) || |
5330 | IS_PDEV(pdev, BROADCOM, 0x4320, MOTOROLA, 0x7010)) | |
1855ba78 MB |
5331 | bus->sprom.boardflags_lo &= ~B43_BFL_BTCOEXIST; |
5332 | } | |
e4d6b795 MB |
5333 | } |
5334 | ||
482f0538 | 5335 | static void b43_wireless_exit(struct b43_bus_dev *dev, struct b43_wl *wl) |
e4d6b795 MB |
5336 | { |
5337 | struct ieee80211_hw *hw = wl->hw; | |
5338 | ||
482f0538 | 5339 | ssb_set_devtypedata(dev->sdev, NULL); |
e4d6b795 MB |
5340 | ieee80211_free_hw(hw); |
5341 | } | |
bd7c8a59 | 5342 | #endif |
e4d6b795 | 5343 | |
d1507051 | 5344 | static struct b43_wl *b43_wireless_init(struct b43_bus_dev *dev) |
e4d6b795 | 5345 | { |
d1507051 | 5346 | struct ssb_sprom *sprom = dev->bus_sprom; |
e4d6b795 MB |
5347 | struct ieee80211_hw *hw; |
5348 | struct b43_wl *wl; | |
2729df25 | 5349 | char chip_name[6]; |
bad69194 | 5350 | int queue_num; |
e4d6b795 MB |
5351 | |
5352 | hw = ieee80211_alloc_hw(sizeof(*wl), &b43_hw_ops); | |
5353 | if (!hw) { | |
5354 | b43err(NULL, "Could not allocate ieee80211 device\n"); | |
0355a345 | 5355 | return ERR_PTR(-ENOMEM); |
e4d6b795 | 5356 | } |
403a3a13 | 5357 | wl = hw_to_b43_wl(hw); |
e4d6b795 MB |
5358 | |
5359 | /* fill hw info */ | |
605a0bd6 | 5360 | hw->flags = IEEE80211_HW_RX_INCLUDES_FCS | |
f5c044e5 | 5361 | IEEE80211_HW_SIGNAL_DBM; |
566bfe5a | 5362 | |
f59ac048 LR |
5363 | hw->wiphy->interface_modes = |
5364 | BIT(NL80211_IFTYPE_AP) | | |
5365 | BIT(NL80211_IFTYPE_MESH_POINT) | | |
5366 | BIT(NL80211_IFTYPE_STATION) | | |
5367 | BIT(NL80211_IFTYPE_WDS) | | |
5368 | BIT(NL80211_IFTYPE_ADHOC); | |
5369 | ||
78f9c850 AQ |
5370 | hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; |
5371 | ||
e64add27 | 5372 | wl->hw_registred = false; |
e6a9854b | 5373 | hw->max_rates = 2; |
e4d6b795 | 5374 | SET_IEEE80211_DEV(hw, dev->dev); |
95de2841 LF |
5375 | if (is_valid_ether_addr(sprom->et1mac)) |
5376 | SET_IEEE80211_PERM_ADDR(hw, sprom->et1mac); | |
e4d6b795 | 5377 | else |
95de2841 | 5378 | SET_IEEE80211_PERM_ADDR(hw, sprom->il0mac); |
e4d6b795 | 5379 | |
403a3a13 | 5380 | /* Initialize struct b43_wl */ |
e4d6b795 | 5381 | wl->hw = hw; |
e4d6b795 | 5382 | mutex_init(&wl->mutex); |
36dbd954 | 5383 | spin_lock_init(&wl->hardirq_lock); |
a82d9922 | 5384 | INIT_WORK(&wl->beacon_update_trigger, b43_beacon_update_trigger_work); |
18c8adeb | 5385 | INIT_WORK(&wl->txpower_adjust_work, b43_phy_txpower_adjust_work); |
f5d40eed | 5386 | INIT_WORK(&wl->tx_work, b43_tx_work); |
bad69194 | 5387 | |
5388 | /* Initialize queues and flags. */ | |
5389 | for (queue_num = 0; queue_num < B43_QOS_QUEUE_NUM; queue_num++) { | |
5390 | skb_queue_head_init(&wl->tx_queue[queue_num]); | |
5391 | wl->tx_queue_stopped[queue_num] = 0; | |
5392 | } | |
e4d6b795 | 5393 | |
2729df25 RM |
5394 | snprintf(chip_name, ARRAY_SIZE(chip_name), |
5395 | (dev->chip_id > 0x9999) ? "%d" : "%04X", dev->chip_id); | |
5396 | b43info(wl, "Broadcom %s WLAN found (core revision %u)\n", chip_name, | |
5397 | dev->core_rev); | |
0355a345 | 5398 | return wl; |
e4d6b795 MB |
5399 | } |
5400 | ||
3c65ab62 RM |
5401 | #ifdef CONFIG_B43_BCMA |
5402 | static int b43_bcma_probe(struct bcma_device *core) | |
5403 | { | |
397915c3 | 5404 | struct b43_bus_dev *dev; |
24aad3f4 RM |
5405 | struct b43_wl *wl; |
5406 | int err; | |
397915c3 | 5407 | |
8960400e RM |
5408 | if (!modparam_allhwsupport && |
5409 | (core->id.rev == 0x17 || core->id.rev == 0x18)) { | |
5410 | pr_err("Support for cores revisions 0x17 and 0x18 disabled by module param allhwsupport=0. Try b43.allhwsupport=1\n"); | |
5411 | return -ENOTSUPP; | |
5412 | } | |
5413 | ||
397915c3 RM |
5414 | dev = b43_bus_dev_bcma_init(core); |
5415 | if (!dev) | |
5416 | return -ENODEV; | |
5417 | ||
24aad3f4 RM |
5418 | wl = b43_wireless_init(dev); |
5419 | if (IS_ERR(wl)) { | |
5420 | err = PTR_ERR(wl); | |
5421 | goto bcma_out; | |
5422 | } | |
5423 | ||
5424 | err = b43_one_core_attach(dev, wl); | |
5425 | if (err) | |
5426 | goto bcma_err_wireless_exit; | |
5427 | ||
6b6fa586 LF |
5428 | /* setup and start work to load firmware */ |
5429 | INIT_WORK(&wl->firmware_load, b43_request_firmware); | |
5430 | schedule_work(&wl->firmware_load); | |
24aad3f4 RM |
5431 | |
5432 | bcma_out: | |
5433 | return err; | |
5434 | ||
24aad3f4 RM |
5435 | bcma_err_wireless_exit: |
5436 | ieee80211_free_hw(wl->hw); | |
5437 | return err; | |
3c65ab62 RM |
5438 | } |
5439 | ||
5440 | static void b43_bcma_remove(struct bcma_device *core) | |
5441 | { | |
24aad3f4 RM |
5442 | struct b43_wldev *wldev = bcma_get_drvdata(core); |
5443 | struct b43_wl *wl = wldev->wl; | |
5444 | ||
5445 | /* We must cancel any work here before unregistering from ieee80211, | |
5446 | * as the ieee80211 unreg will destroy the workqueue. */ | |
5447 | cancel_work_sync(&wldev->restart_work); | |
63a02ce1 | 5448 | cancel_work_sync(&wl->firmware_load); |
24aad3f4 | 5449 | |
e64add27 | 5450 | B43_WARN_ON(!wl); |
f89ff644 LF |
5451 | if (!wldev->fw.ucode.data) |
5452 | return; /* NULL if firmware never loaded */ | |
e64add27 | 5453 | if (wl->current_dev == wldev && wl->hw_registred) { |
e64add27 OR |
5454 | b43_leds_stop(wldev); |
5455 | ieee80211_unregister_hw(wl->hw); | |
5456 | } | |
24aad3f4 RM |
5457 | |
5458 | b43_one_core_detach(wldev->dev); | |
5459 | ||
09164043 LF |
5460 | /* Unregister HW RNG driver */ |
5461 | b43_rng_exit(wl); | |
5462 | ||
24aad3f4 RM |
5463 | b43_leds_unregister(wl); |
5464 | ||
5465 | ieee80211_free_hw(wl->hw); | |
3c65ab62 RM |
5466 | } |
5467 | ||
5468 | static struct bcma_driver b43_bcma_driver = { | |
5469 | .name = KBUILD_MODNAME, | |
5470 | .id_table = b43_bcma_tbl, | |
5471 | .probe = b43_bcma_probe, | |
5472 | .remove = b43_bcma_remove, | |
5473 | }; | |
5474 | #endif | |
5475 | ||
aec7ffdf | 5476 | #ifdef CONFIG_B43_SSB |
aa63418a RM |
5477 | static |
5478 | int b43_ssb_probe(struct ssb_device *sdev, const struct ssb_device_id *id) | |
e4d6b795 | 5479 | { |
482f0538 | 5480 | struct b43_bus_dev *dev; |
e4d6b795 MB |
5481 | struct b43_wl *wl; |
5482 | int err; | |
e4d6b795 | 5483 | |
482f0538 | 5484 | dev = b43_bus_dev_ssb_init(sdev); |
5b49b35a DC |
5485 | if (!dev) |
5486 | return -ENOMEM; | |
482f0538 | 5487 | |
aa63418a | 5488 | wl = ssb_get_devtypedata(sdev); |
8f15e287 RM |
5489 | if (wl) { |
5490 | b43err(NULL, "Dual-core devices are not supported\n"); | |
5491 | err = -ENOTSUPP; | |
5492 | goto err_ssb_kfree_dev; | |
e4d6b795 | 5493 | } |
8f15e287 RM |
5494 | |
5495 | b43_sprom_fixup(sdev->bus); | |
5496 | ||
5497 | wl = b43_wireless_init(dev); | |
5498 | if (IS_ERR(wl)) { | |
5499 | err = PTR_ERR(wl); | |
5500 | goto err_ssb_kfree_dev; | |
5501 | } | |
5502 | ssb_set_devtypedata(sdev, wl); | |
5503 | B43_WARN_ON(ssb_get_devtypedata(sdev) != wl); | |
5504 | ||
e4d6b795 MB |
5505 | err = b43_one_core_attach(dev, wl); |
5506 | if (err) | |
8f15e287 | 5507 | goto err_ssb_wireless_exit; |
e4d6b795 | 5508 | |
6b6fa586 LF |
5509 | /* setup and start work to load firmware */ |
5510 | INIT_WORK(&wl->firmware_load, b43_request_firmware); | |
5511 | schedule_work(&wl->firmware_load); | |
e4d6b795 | 5512 | |
e4d6b795 MB |
5513 | return err; |
5514 | ||
8f15e287 RM |
5515 | err_ssb_wireless_exit: |
5516 | b43_wireless_exit(dev, wl); | |
5517 | err_ssb_kfree_dev: | |
5518 | kfree(dev); | |
e4d6b795 MB |
5519 | return err; |
5520 | } | |
5521 | ||
aa63418a | 5522 | static void b43_ssb_remove(struct ssb_device *sdev) |
e4d6b795 | 5523 | { |
aa63418a RM |
5524 | struct b43_wl *wl = ssb_get_devtypedata(sdev); |
5525 | struct b43_wldev *wldev = ssb_get_drvdata(sdev); | |
e61b52d1 | 5526 | struct b43_bus_dev *dev = wldev->dev; |
e4d6b795 | 5527 | |
3bf0a32e MB |
5528 | /* We must cancel any work here before unregistering from ieee80211, |
5529 | * as the ieee80211 unreg will destroy the workqueue. */ | |
5530 | cancel_work_sync(&wldev->restart_work); | |
63a02ce1 | 5531 | cancel_work_sync(&wl->firmware_load); |
3bf0a32e | 5532 | |
e4d6b795 | 5533 | B43_WARN_ON(!wl); |
f89ff644 LF |
5534 | if (!wldev->fw.ucode.data) |
5535 | return; /* NULL if firmware never loaded */ | |
e64add27 | 5536 | if (wl->current_dev == wldev && wl->hw_registred) { |
82905ace | 5537 | b43_leds_stop(wldev); |
e4d6b795 | 5538 | ieee80211_unregister_hw(wl->hw); |
403a3a13 | 5539 | } |
e4d6b795 | 5540 | |
e61b52d1 | 5541 | b43_one_core_detach(dev); |
e4d6b795 | 5542 | |
09164043 LF |
5543 | /* Unregister HW RNG driver */ |
5544 | b43_rng_exit(wl); | |
5545 | ||
644aa4d6 RM |
5546 | b43_leds_unregister(wl); |
5547 | b43_wireless_exit(dev, wl); | |
e4d6b795 MB |
5548 | } |
5549 | ||
aec7ffdf RM |
5550 | static struct ssb_driver b43_ssb_driver = { |
5551 | .name = KBUILD_MODNAME, | |
5552 | .id_table = b43_ssb_tbl, | |
5553 | .probe = b43_ssb_probe, | |
5554 | .remove = b43_ssb_remove, | |
5555 | }; | |
5556 | #endif /* CONFIG_B43_SSB */ | |
5557 | ||
e4d6b795 MB |
5558 | /* Perform a hardware reset. This can be called from any context. */ |
5559 | void b43_controller_restart(struct b43_wldev *dev, const char *reason) | |
5560 | { | |
5561 | /* Must avoid requeueing, if we are in shutdown. */ | |
5562 | if (b43_status(dev) < B43_STAT_INITIALIZED) | |
5563 | return; | |
5564 | b43info(dev->wl, "Controller RESET (%s) ...\n", reason); | |
42935eca | 5565 | ieee80211_queue_work(dev->wl->hw, &dev->restart_work); |
e4d6b795 MB |
5566 | } |
5567 | ||
26bc783f MB |
5568 | static void b43_print_driverinfo(void) |
5569 | { | |
5570 | const char *feat_pci = "", *feat_pcmcia = "", *feat_nphy = "", | |
3dbba8e2 | 5571 | *feat_leds = "", *feat_sdio = ""; |
26bc783f MB |
5572 | |
5573 | #ifdef CONFIG_B43_PCI_AUTOSELECT | |
5574 | feat_pci = "P"; | |
5575 | #endif | |
5576 | #ifdef CONFIG_B43_PCMCIA | |
5577 | feat_pcmcia = "M"; | |
5578 | #endif | |
692d2c0f | 5579 | #ifdef CONFIG_B43_PHY_N |
26bc783f MB |
5580 | feat_nphy = "N"; |
5581 | #endif | |
5582 | #ifdef CONFIG_B43_LEDS | |
5583 | feat_leds = "L"; | |
3dbba8e2 AH |
5584 | #endif |
5585 | #ifdef CONFIG_B43_SDIO | |
5586 | feat_sdio = "S"; | |
26bc783f MB |
5587 | #endif |
5588 | printk(KERN_INFO "Broadcom 43xx driver loaded " | |
8b0be90c | 5589 | "[ Features: %s%s%s%s%s ]\n", |
26bc783f | 5590 | feat_pci, feat_pcmcia, feat_nphy, |
3dbba8e2 | 5591 | feat_leds, feat_sdio); |
26bc783f MB |
5592 | } |
5593 | ||
e4d6b795 MB |
5594 | static int __init b43_init(void) |
5595 | { | |
5596 | int err; | |
5597 | ||
5598 | b43_debugfs_init(); | |
5599 | err = b43_pcmcia_init(); | |
5600 | if (err) | |
5601 | goto err_dfs_exit; | |
3dbba8e2 | 5602 | err = b43_sdio_init(); |
e4d6b795 MB |
5603 | if (err) |
5604 | goto err_pcmcia_exit; | |
3c65ab62 RM |
5605 | #ifdef CONFIG_B43_BCMA |
5606 | err = bcma_driver_register(&b43_bcma_driver); | |
3dbba8e2 AH |
5607 | if (err) |
5608 | goto err_sdio_exit; | |
3c65ab62 | 5609 | #endif |
aec7ffdf | 5610 | #ifdef CONFIG_B43_SSB |
3c65ab62 RM |
5611 | err = ssb_driver_register(&b43_ssb_driver); |
5612 | if (err) | |
5613 | goto err_bcma_driver_exit; | |
aec7ffdf | 5614 | #endif |
26bc783f | 5615 | b43_print_driverinfo(); |
e4d6b795 MB |
5616 | |
5617 | return err; | |
5618 | ||
aec7ffdf | 5619 | #ifdef CONFIG_B43_SSB |
3c65ab62 | 5620 | err_bcma_driver_exit: |
aec7ffdf | 5621 | #endif |
3c65ab62 RM |
5622 | #ifdef CONFIG_B43_BCMA |
5623 | bcma_driver_unregister(&b43_bcma_driver); | |
3dbba8e2 | 5624 | err_sdio_exit: |
3c65ab62 | 5625 | #endif |
3dbba8e2 | 5626 | b43_sdio_exit(); |
e4d6b795 MB |
5627 | err_pcmcia_exit: |
5628 | b43_pcmcia_exit(); | |
5629 | err_dfs_exit: | |
5630 | b43_debugfs_exit(); | |
5631 | return err; | |
5632 | } | |
5633 | ||
5634 | static void __exit b43_exit(void) | |
5635 | { | |
aec7ffdf | 5636 | #ifdef CONFIG_B43_SSB |
e4d6b795 | 5637 | ssb_driver_unregister(&b43_ssb_driver); |
aec7ffdf | 5638 | #endif |
3c65ab62 RM |
5639 | #ifdef CONFIG_B43_BCMA |
5640 | bcma_driver_unregister(&b43_bcma_driver); | |
5641 | #endif | |
3dbba8e2 | 5642 | b43_sdio_exit(); |
e4d6b795 MB |
5643 | b43_pcmcia_exit(); |
5644 | b43_debugfs_exit(); | |
5645 | } | |
5646 | ||
5647 | module_init(b43_init) | |
5648 | module_exit(b43_exit) |