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iwlagn: rename iwlagn module iwlwifi and alias to iwlagn.
[mirror_ubuntu-hirsute-kernel.git] / drivers / net / wireless / b43 / main.c
CommitLineData
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>
37#include <linux/moduleparam.h>
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
63MODULE_DESCRIPTION("Broadcom B43 wireless driver");
64MODULE_AUTHOR("Martin Langer");
65MODULE_AUTHOR("Stefano Brivio");
66MODULE_AUTHOR("Michael Buesch");
0136e51e 67MODULE_AUTHOR("Gábor Stefanik");
108f4f3c 68MODULE_AUTHOR("Rafał Miłecki");
e4d6b795
MB		 69MODULE_LICENSE("GPL");
70
6021e08d
TG		 71MODULE_FIRMWARE("b43/ucode11.fw");
72MODULE_FIRMWARE("b43/ucode13.fw");
73MODULE_FIRMWARE("b43/ucode14.fw");
74MODULE_FIRMWARE("b43/ucode15.fw");
f6158394 75MODULE_FIRMWARE("b43/ucode16_mimo.fw");
6021e08d
TG		 76MODULE_FIRMWARE("b43/ucode5.fw");
77MODULE_FIRMWARE("b43/ucode9.fw");
e4d6b795
MB		 78
79static int modparam_bad_frames_preempt;
80module_param_named(bad_frames_preempt, modparam_bad_frames_preempt, int, 0444);
81MODULE_PARM_DESC(bad_frames_preempt,
82 "enable(1) / disable(0) Bad Frames Preemption");
83
e4d6b795
MB		 84static char modparam_fwpostfix[16];
85module_param_string(fwpostfix, modparam_fwpostfix, 16, 0444);
86MODULE_PARM_DESC(fwpostfix, "Postfix for the .fw files to load.");
87
e4d6b795
MB		 88static int modparam_hwpctl;
89module_param_named(hwpctl, modparam_hwpctl, int, 0444);
90MODULE_PARM_DESC(hwpctl, "Enable hardware-side power control (default off)");
91
92static int modparam_nohwcrypt;
93module_param_named(nohwcrypt, modparam_nohwcrypt, int, 0444);
94MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
95
035d0243 96static int modparam_hwtkip;
97module_param_named(hwtkip, modparam_hwtkip, int, 0444);
98MODULE_PARM_DESC(hwtkip, "Enable hardware tkip.");
99
403a3a13
MB		 100static int modparam_qos = 1;
101module_param_named(qos, modparam_qos, int, 0444);
e6f5b934
MB		 102MODULE_PARM_DESC(qos, "Enable QOS support (default on)");
103
1855ba78
MB		 104static int modparam_btcoex = 1;
105module_param_named(btcoex, modparam_btcoex, int, 0444);
c71dbd33 106MODULE_PARM_DESC(btcoex, "Enable Bluetooth coexistence (default on)");
1855ba78 107
060210f9
MB		 108int b43_modparam_verbose = B43_VERBOSITY_DEFAULT;
109module_param_named(verbose, b43_modparam_verbose, int, 0644);
110MODULE_PARM_DESC(verbose, "Log message verbosity: 0=error, 1=warn, 2=info(default), 3=debug");
111
df766267 112static int b43_modparam_pio = 0;
9e3bd919
LT		 113module_param_named(pio, b43_modparam_pio, int, 0644);
114MODULE_PARM_DESC(pio, "Use PIO accesses by default: 0=DMA, 1=PIO");
e6f5b934 115
3c65ab62
RM		 116#ifdef CONFIG_B43_BCMA
117static const struct bcma_device_id b43_bcma_tbl[] = {
c027ed4c 118 BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x11, BCMA_ANY_CLASS),
3c65ab62
RM		 119 BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x17, BCMA_ANY_CLASS),
120 BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x18, BCMA_ANY_CLASS),
121 BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x1D, BCMA_ANY_CLASS),
122 BCMA_CORETABLE_END
123};
124MODULE_DEVICE_TABLE(bcma, b43_bcma_tbl);
125#endif
126
aec7ffdf 127#ifdef CONFIG_B43_SSB
e4d6b795
MB		 128static const struct ssb_device_id b43_ssb_tbl[] = {
129 SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 5),
130 SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 6),
131 SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 7),
132 SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 9),
133 SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 10),
d5c71e46 134 SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 11),
003d6d27 135 SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 12),
013978b6 136 SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 13),
6b1c7c67 137 SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 15),
92d6128e 138 SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 16),
e4d6b795
MB		 139 SSB_DEVTABLE_END
140};
e4d6b795 141MODULE_DEVICE_TABLE(ssb, b43_ssb_tbl);
aec7ffdf 142#endif
e4d6b795
MB		 143
144/* Channel and ratetables are shared for all devices.
145 * They can't be const, because ieee80211 puts some precalculated
146 * data in there. This data is the same for all devices, so we don't
147 * get concurrency issues */
148#define RATETAB_ENT(_rateid, _flags) \
8318d78a
JB		 149 { \
150 .bitrate = B43_RATE_TO_BASE100KBPS(_rateid), \
151 .hw_value = (_rateid), \
152 .flags = (_flags), \
e4d6b795 153 }
8318d78a
JB		 154
155/*
156 * NOTE: When changing this, sync with xmit.c's
157 * b43_plcp_get_bitrate_idx_* functions!
158 */
e4d6b795 159static struct ieee80211_rate __b43_ratetable[] = {
8318d78a
JB		 160 RATETAB_ENT(B43_CCK_RATE_1MB, 0),
161 RATETAB_ENT(B43_CCK_RATE_2MB, IEEE80211_RATE_SHORT_PREAMBLE),
162 RATETAB_ENT(B43_CCK_RATE_5MB, IEEE80211_RATE_SHORT_PREAMBLE),
163 RATETAB_ENT(B43_CCK_RATE_11MB, IEEE80211_RATE_SHORT_PREAMBLE),
164 RATETAB_ENT(B43_OFDM_RATE_6MB, 0),
165 RATETAB_ENT(B43_OFDM_RATE_9MB, 0),
166 RATETAB_ENT(B43_OFDM_RATE_12MB, 0),
167 RATETAB_ENT(B43_OFDM_RATE_18MB, 0),
168 RATETAB_ENT(B43_OFDM_RATE_24MB, 0),
169 RATETAB_ENT(B43_OFDM_RATE_36MB, 0),
170 RATETAB_ENT(B43_OFDM_RATE_48MB, 0),
171 RATETAB_ENT(B43_OFDM_RATE_54MB, 0),
e4d6b795
MB		 172};
173
174#define b43_a_ratetable (__b43_ratetable + 4)
175#define b43_a_ratetable_size 8
176#define b43_b_ratetable (__b43_ratetable + 0)
177#define b43_b_ratetable_size 4
178#define b43_g_ratetable (__b43_ratetable + 0)
179#define b43_g_ratetable_size 12
180
bb1eeff1
MB		 181#define CHAN4G(_channel, _freq, _flags) { \
182 .band = IEEE80211_BAND_2GHZ, \
183 .center_freq = (_freq), \
184 .hw_value = (_channel), \
185 .flags = (_flags), \
186 .max_antenna_gain = 0, \
187 .max_power = 30, \
188}
96c755a3 189static struct ieee80211_channel b43_2ghz_chantable[] = {
bb1eeff1
MB		 190 CHAN4G(1, 2412, 0),
191 CHAN4G(2, 2417, 0),
192 CHAN4G(3, 2422, 0),
193 CHAN4G(4, 2427, 0),
194 CHAN4G(5, 2432, 0),
195 CHAN4G(6, 2437, 0),
196 CHAN4G(7, 2442, 0),
197 CHAN4G(8, 2447, 0),
198 CHAN4G(9, 2452, 0),
199 CHAN4G(10, 2457, 0),
200 CHAN4G(11, 2462, 0),
201 CHAN4G(12, 2467, 0),
202 CHAN4G(13, 2472, 0),
203 CHAN4G(14, 2484, 0),
204};
205#undef CHAN4G
206
207#define CHAN5G(_channel, _flags) { \
208 .band = IEEE80211_BAND_5GHZ, \
209 .center_freq = 5000 + (5 * (_channel)), \
210 .hw_value = (_channel), \
211 .flags = (_flags), \
212 .max_antenna_gain = 0, \
213 .max_power = 30, \
214}
215static struct ieee80211_channel b43_5ghz_nphy_chantable[] = {
216 CHAN5G(32, 0), CHAN5G(34, 0),
217 CHAN5G(36, 0), CHAN5G(38, 0),
218 CHAN5G(40, 0), CHAN5G(42, 0),
219 CHAN5G(44, 0), CHAN5G(46, 0),
220 CHAN5G(48, 0), CHAN5G(50, 0),
221 CHAN5G(52, 0), CHAN5G(54, 0),
222 CHAN5G(56, 0), CHAN5G(58, 0),
223 CHAN5G(60, 0), CHAN5G(62, 0),
224 CHAN5G(64, 0), CHAN5G(66, 0),
225 CHAN5G(68, 0), CHAN5G(70, 0),
226 CHAN5G(72, 0), CHAN5G(74, 0),
227 CHAN5G(76, 0), CHAN5G(78, 0),
228 CHAN5G(80, 0), CHAN5G(82, 0),
229 CHAN5G(84, 0), CHAN5G(86, 0),
230 CHAN5G(88, 0), CHAN5G(90, 0),
231 CHAN5G(92, 0), CHAN5G(94, 0),
232 CHAN5G(96, 0), CHAN5G(98, 0),
233 CHAN5G(100, 0), CHAN5G(102, 0),
234 CHAN5G(104, 0), CHAN5G(106, 0),
235 CHAN5G(108, 0), CHAN5G(110, 0),
236 CHAN5G(112, 0), CHAN5G(114, 0),
237 CHAN5G(116, 0), CHAN5G(118, 0),
238 CHAN5G(120, 0), CHAN5G(122, 0),
239 CHAN5G(124, 0), CHAN5G(126, 0),
240 CHAN5G(128, 0), CHAN5G(130, 0),
241 CHAN5G(132, 0), CHAN5G(134, 0),
242 CHAN5G(136, 0), CHAN5G(138, 0),
243 CHAN5G(140, 0), CHAN5G(142, 0),
244 CHAN5G(144, 0), CHAN5G(145, 0),
245 CHAN5G(146, 0), CHAN5G(147, 0),
246 CHAN5G(148, 0), CHAN5G(149, 0),
247 CHAN5G(150, 0), CHAN5G(151, 0),
248 CHAN5G(152, 0), CHAN5G(153, 0),
249 CHAN5G(154, 0), CHAN5G(155, 0),
250 CHAN5G(156, 0), CHAN5G(157, 0),
251 CHAN5G(158, 0), CHAN5G(159, 0),
252 CHAN5G(160, 0), CHAN5G(161, 0),
253 CHAN5G(162, 0), CHAN5G(163, 0),
254 CHAN5G(164, 0), CHAN5G(165, 0),
255 CHAN5G(166, 0), CHAN5G(168, 0),
256 CHAN5G(170, 0), CHAN5G(172, 0),
257 CHAN5G(174, 0), CHAN5G(176, 0),
258 CHAN5G(178, 0), CHAN5G(180, 0),
259 CHAN5G(182, 0), CHAN5G(184, 0),
260 CHAN5G(186, 0), CHAN5G(188, 0),
261 CHAN5G(190, 0), CHAN5G(192, 0),
262 CHAN5G(194, 0), CHAN5G(196, 0),
263 CHAN5G(198, 0), CHAN5G(200, 0),
264 CHAN5G(202, 0), CHAN5G(204, 0),
265 CHAN5G(206, 0), CHAN5G(208, 0),
266 CHAN5G(210, 0), CHAN5G(212, 0),
267 CHAN5G(214, 0), CHAN5G(216, 0),
268 CHAN5G(218, 0), CHAN5G(220, 0),
269 CHAN5G(222, 0), CHAN5G(224, 0),
270 CHAN5G(226, 0), CHAN5G(228, 0),
e4d6b795
MB		 271};
272
bb1eeff1
MB		 273static struct ieee80211_channel b43_5ghz_aphy_chantable[] = {
274 CHAN5G(34, 0), CHAN5G(36, 0),
275 CHAN5G(38, 0), CHAN5G(40, 0),
276 CHAN5G(42, 0), CHAN5G(44, 0),
277 CHAN5G(46, 0), CHAN5G(48, 0),
278 CHAN5G(52, 0), CHAN5G(56, 0),
279 CHAN5G(60, 0), CHAN5G(64, 0),
280 CHAN5G(100, 0), CHAN5G(104, 0),
281 CHAN5G(108, 0), CHAN5G(112, 0),
282 CHAN5G(116, 0), CHAN5G(120, 0),
283 CHAN5G(124, 0), CHAN5G(128, 0),
284 CHAN5G(132, 0), CHAN5G(136, 0),
285 CHAN5G(140, 0), CHAN5G(149, 0),
286 CHAN5G(153, 0), CHAN5G(157, 0),
287 CHAN5G(161, 0), CHAN5G(165, 0),
288 CHAN5G(184, 0), CHAN5G(188, 0),
289 CHAN5G(192, 0), CHAN5G(196, 0),
290 CHAN5G(200, 0), CHAN5G(204, 0),
291 CHAN5G(208, 0), CHAN5G(212, 0),
292 CHAN5G(216, 0),
293};
294#undef CHAN5G
295
296static struct ieee80211_supported_band b43_band_5GHz_nphy = {
297 .band = IEEE80211_BAND_5GHZ,
298 .channels = b43_5ghz_nphy_chantable,
299 .n_channels = ARRAY_SIZE(b43_5ghz_nphy_chantable),
300 .bitrates = b43_a_ratetable,
301 .n_bitrates = b43_a_ratetable_size,
e4d6b795 302};
8318d78a 303
bb1eeff1
MB		 304static struct ieee80211_supported_band b43_band_5GHz_aphy = {
305 .band = IEEE80211_BAND_5GHZ,
306 .channels = b43_5ghz_aphy_chantable,
307 .n_channels = ARRAY_SIZE(b43_5ghz_aphy_chantable),
308 .bitrates = b43_a_ratetable,
309 .n_bitrates = b43_a_ratetable_size,
8318d78a 310};
e4d6b795 311
8318d78a 312static struct ieee80211_supported_band b43_band_2GHz = {
bb1eeff1
MB		 313 .band = IEEE80211_BAND_2GHZ,
314 .channels = b43_2ghz_chantable,
315 .n_channels = ARRAY_SIZE(b43_2ghz_chantable),
316 .bitrates = b43_g_ratetable,
317 .n_bitrates = b43_g_ratetable_size,
8318d78a
JB		 318};
319
e4d6b795
MB		 320static void b43_wireless_core_exit(struct b43_wldev *dev);
321static int b43_wireless_core_init(struct b43_wldev *dev);
36dbd954 322static struct b43_wldev * b43_wireless_core_stop(struct b43_wldev *dev);
e4d6b795 323static int b43_wireless_core_start(struct b43_wldev *dev);
2a190322
FF		 324static void b43_op_bss_info_changed(struct ieee80211_hw *hw,
325 struct ieee80211_vif *vif,
326 struct ieee80211_bss_conf *conf,
327 u32 changed);
e4d6b795
MB		 328
329static int b43_ratelimit(struct b43_wl *wl)
330{
331 if (!wl || !wl->current_dev)
332 return 1;
333 if (b43_status(wl->current_dev) < B43_STAT_STARTED)
334 return 1;
335 /* We are up and running.
336 * Ratelimit the messages to avoid DoS over the net. */
337 return net_ratelimit();
338}
339
340void b43info(struct b43_wl *wl, const char *fmt, ...)
341{
5b736d42 342 struct va_format vaf;
e4d6b795
MB		 343 va_list args;
344
060210f9
MB		 345 if (b43_modparam_verbose < B43_VERBOSITY_INFO)
346 return;
e4d6b795
MB		 347 if (!b43_ratelimit(wl))
348 return;
5b736d42 349
e4d6b795 350 va_start(args, fmt);
5b736d42
JP		 351
352 vaf.fmt = fmt;
353 vaf.va = &args;
354
355 printk(KERN_INFO "b43-%s: %pV",
356 (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan", &vaf);
357
e4d6b795
MB		 358 va_end(args);
359}
360
361void b43err(struct b43_wl *wl, const char *fmt, ...)
362{
5b736d42 363 struct va_format vaf;
e4d6b795
MB		 364 va_list args;
365
060210f9
MB		 366 if (b43_modparam_verbose < B43_VERBOSITY_ERROR)
367 return;
e4d6b795
MB		 368 if (!b43_ratelimit(wl))
369 return;
5b736d42 370
e4d6b795 371 va_start(args, fmt);
5b736d42
JP		 372
373 vaf.fmt = fmt;
374 vaf.va = &args;
375
376 printk(KERN_ERR "b43-%s ERROR: %pV",
377 (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan", &vaf);
378
e4d6b795
MB		 379 va_end(args);
380}
381
382void b43warn(struct b43_wl *wl, const char *fmt, ...)
383{
5b736d42 384 struct va_format vaf;
e4d6b795
MB		 385 va_list args;
386
060210f9
MB		 387 if (b43_modparam_verbose < B43_VERBOSITY_WARN)
388 return;
e4d6b795
MB		 389 if (!b43_ratelimit(wl))
390 return;
5b736d42 391
e4d6b795 392 va_start(args, fmt);
5b736d42
JP		 393
394 vaf.fmt = fmt;
395 vaf.va = &args;
396
397 printk(KERN_WARNING "b43-%s warning: %pV",
398 (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan", &vaf);
399
e4d6b795
MB		 400 va_end(args);
401}
402
e4d6b795
MB		 403void b43dbg(struct b43_wl *wl, const char *fmt, ...)
404{
5b736d42 405 struct va_format vaf;
e4d6b795
MB		 406 va_list args;
407
060210f9
MB		 408 if (b43_modparam_verbose < B43_VERBOSITY_DEBUG)
409 return;
5b736d42 410
e4d6b795 411 va_start(args, fmt);
5b736d42
JP		 412
413 vaf.fmt = fmt;
414 vaf.va = &args;
415
416 printk(KERN_DEBUG "b43-%s debug: %pV",
417 (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan", &vaf);
418
e4d6b795
MB		 419 va_end(args);
420}
e4d6b795
MB		 421
422static void b43_ram_write(struct b43_wldev *dev, u16 offset, u32 val)
423{
424 u32 macctl;
425
426 B43_WARN_ON(offset % 4 != 0);
427
428 macctl = b43_read32(dev, B43_MMIO_MACCTL);
429 if (macctl & B43_MACCTL_BE)
430 val = swab32(val);
431
432 b43_write32(dev, B43_MMIO_RAM_CONTROL, offset);
433 mmiowb();
434 b43_write32(dev, B43_MMIO_RAM_DATA, val);
435}
436
280d0e16
MB		 437static inline void b43_shm_control_word(struct b43_wldev *dev,
438 u16 routing, u16 offset)
e4d6b795
MB		 439{
440 u32 control;
441
442 /* "offset" is the WORD offset. */
e4d6b795
MB		 443 control = routing;
444 control <<= 16;
445 control |= offset;
446 b43_write32(dev, B43_MMIO_SHM_CONTROL, control);
447}
448
69eddc8a 449u32 b43_shm_read32(struct b43_wldev *dev, u16 routing, u16 offset)
e4d6b795
MB		 450{
451 u32 ret;
452
453 if (routing == B43_SHM_SHARED) {
454 B43_WARN_ON(offset & 0x0001);
455 if (offset & 0x0003) {
456 /* Unaligned access */
457 b43_shm_control_word(dev, routing, offset >> 2);
458 ret = b43_read16(dev, B43_MMIO_SHM_DATA_UNALIGNED);
e4d6b795 459 b43_shm_control_word(dev, routing, (offset >> 2) + 1);
f62ae6cd 460 ret |= ((u32)b43_read16(dev, B43_MMIO_SHM_DATA)) << 16;
e4d6b795 461
280d0e16 462 goto out;
e4d6b795
MB		 463 }
464 offset >>= 2;
465 }
466 b43_shm_control_word(dev, routing, offset);
467 ret = b43_read32(dev, B43_MMIO_SHM_DATA);
280d0e16 468out:
e4d6b795
MB		 469 return ret;
470}
471
69eddc8a 472u16 b43_shm_read16(struct b43_wldev *dev, u16 routing, u16 offset)
6bbc321a
MB		 473{
474 u16 ret;
475
e4d6b795
MB		 476 if (routing == B43_SHM_SHARED) {
477 B43_WARN_ON(offset & 0x0001);
478 if (offset & 0x0003) {
479 /* Unaligned access */
480 b43_shm_control_word(dev, routing, offset >> 2);
481 ret = b43_read16(dev, B43_MMIO_SHM_DATA_UNALIGNED);
482
280d0e16 483 goto out;
e4d6b795
MB		 484 }
485 offset >>= 2;
486 }
487 b43_shm_control_word(dev, routing, offset);
488 ret = b43_read16(dev, B43_MMIO_SHM_DATA);
280d0e16 489out:
e4d6b795
MB		 490 return ret;
491}
492
69eddc8a 493void b43_shm_write32(struct b43_wldev *dev, u16 routing, u16 offset, u32 value)
6bbc321a 494{
e4d6b795
MB		 495 if (routing == B43_SHM_SHARED) {
496 B43_WARN_ON(offset & 0x0001);
497 if (offset & 0x0003) {
498 /* Unaligned access */
499 b43_shm_control_word(dev, routing, offset >> 2);
e4d6b795 500 b43_write16(dev, B43_MMIO_SHM_DATA_UNALIGNED,
f62ae6cd 501 value & 0xFFFF);
e4d6b795 502 b43_shm_control_word(dev, routing, (offset >> 2) + 1);
f62ae6cd
MB		 503 b43_write16(dev, B43_MMIO_SHM_DATA,
504 (value >> 16) & 0xFFFF);
6bbc321a 505 return;
e4d6b795
MB		 506 }
507 offset >>= 2;
508 }
509 b43_shm_control_word(dev, routing, offset);
e4d6b795
MB		 510 b43_write32(dev, B43_MMIO_SHM_DATA, value);
511}
512
69eddc8a 513void b43_shm_write16(struct b43_wldev *dev, u16 routing, u16 offset, u16 value)
6bbc321a 514{
e4d6b795
MB		 515 if (routing == B43_SHM_SHARED) {
516 B43_WARN_ON(offset & 0x0001);
517 if (offset & 0x0003) {
518 /* Unaligned access */
519 b43_shm_control_word(dev, routing, offset >> 2);
e4d6b795 520 b43_write16(dev, B43_MMIO_SHM_DATA_UNALIGNED, value);
6bbc321a 521 return;
e4d6b795
MB		 522 }
523 offset >>= 2;
524 }
525 b43_shm_control_word(dev, routing, offset);
e4d6b795 526 b43_write16(dev, B43_MMIO_SHM_DATA, value);
6bbc321a
MB		 527}
528
e4d6b795 529/* Read HostFlags */
99da185a 530u64 b43_hf_read(struct b43_wldev *dev)
e4d6b795 531{
35f0d354 532 u64 ret;
e4d6b795
MB		 533
534 ret = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFHI);
535 ret <<= 16;
35f0d354
MB		 536 ret |= b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFMI);
537 ret <<= 16;
e4d6b795
MB		 538 ret |= b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFLO);
539
540 return ret;
541}
542
543/* Write HostFlags */
35f0d354 544void b43_hf_write(struct b43_wldev *dev, u64 value)
e4d6b795 545{
35f0d354
MB		 546 u16 lo, mi, hi;
547
548 lo = (value & 0x00000000FFFFULL);
549 mi = (value & 0x0000FFFF0000ULL) >> 16;
550 hi = (value & 0xFFFF00000000ULL) >> 32;
551 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFLO, lo);
552 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFMI, mi);
553 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFHI, hi);
e4d6b795
MB		 554}
555
403a3a13
MB		 556/* Read the firmware capabilities bitmask (Opensource firmware only) */
557static u16 b43_fwcapa_read(struct b43_wldev *dev)
558{
559 B43_WARN_ON(!dev->fw.opensource);
560 return b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_FWCAPA);
561}
562
3ebbbb56 563void b43_tsf_read(struct b43_wldev *dev, u64 *tsf)
e4d6b795 564{
3ebbbb56
MB		 565 u32 low, high;
566
21d889d4 567 B43_WARN_ON(dev->dev->core_rev < 3);
3ebbbb56
MB		 568
569 /* The hardware guarantees us an atomic read, if we
570 * read the low register first. */
571 low = b43_read32(dev, B43_MMIO_REV3PLUS_TSF_LOW);
572 high = b43_read32(dev, B43_MMIO_REV3PLUS_TSF_HIGH);
573
574 *tsf = high;
575 *tsf <<= 32;
576 *tsf |= low;
e4d6b795
MB		 577}
578
579static void b43_time_lock(struct b43_wldev *dev)
580{
581 u32 macctl;
582
583 macctl = b43_read32(dev, B43_MMIO_MACCTL);
584 macctl |= B43_MACCTL_TBTTHOLD;
585 b43_write32(dev, B43_MMIO_MACCTL, macctl);
586 /* Commit the write */
587 b43_read32(dev, B43_MMIO_MACCTL);
588}
589
590static void b43_time_unlock(struct b43_wldev *dev)
591{
592 u32 macctl;
593
594 macctl = b43_read32(dev, B43_MMIO_MACCTL);
595 macctl &= ~B43_MACCTL_TBTTHOLD;
596 b43_write32(dev, B43_MMIO_MACCTL, macctl);
597 /* Commit the write */
598 b43_read32(dev, B43_MMIO_MACCTL);
599}
600
601static void b43_tsf_write_locked(struct b43_wldev *dev, u64 tsf)
602{
3ebbbb56
MB		 603 u32 low, high;
604
21d889d4 605 B43_WARN_ON(dev->dev->core_rev < 3);
3ebbbb56
MB		 606
607 low = tsf;
608 high = (tsf >> 32);
609 /* The hardware guarantees us an atomic write, if we
610 * write the low register first. */
611 b43_write32(dev, B43_MMIO_REV3PLUS_TSF_LOW, low);
612 mmiowb();
613 b43_write32(dev, B43_MMIO_REV3PLUS_TSF_HIGH, high);
614 mmiowb();
e4d6b795
MB		 615}
616
617void b43_tsf_write(struct b43_wldev *dev, u64 tsf)
618{
619 b43_time_lock(dev);
620 b43_tsf_write_locked(dev, tsf);
621 b43_time_unlock(dev);
622}
623
624static
99da185a 625void b43_macfilter_set(struct b43_wldev *dev, u16 offset, const u8 *mac)
e4d6b795
MB		 626{
627 static const u8 zero_addr[ETH_ALEN] = { 0 };
628 u16 data;
629
630 if (!mac)
631 mac = zero_addr;
632
633 offset |= 0x0020;
634 b43_write16(dev, B43_MMIO_MACFILTER_CONTROL, offset);
635
636 data = mac[0];
637 data |= mac[1] << 8;
638 b43_write16(dev, B43_MMIO_MACFILTER_DATA, data);
639 data = mac[2];
640 data |= mac[3] << 8;
641 b43_write16(dev, B43_MMIO_MACFILTER_DATA, data);
642 data = mac[4];
643 data |= mac[5] << 8;
644 b43_write16(dev, B43_MMIO_MACFILTER_DATA, data);
645}
646
647static void b43_write_mac_bssid_templates(struct b43_wldev *dev)
648{
649 const u8 *mac;
650 const u8 *bssid;
651 u8 mac_bssid[ETH_ALEN * 2];
652 int i;
653 u32 tmp;
654
655 bssid = dev->wl->bssid;
656 mac = dev->wl->mac_addr;
657
658 b43_macfilter_set(dev, B43_MACFILTER_BSSID, bssid);
659
660 memcpy(mac_bssid, mac, ETH_ALEN);
661 memcpy(mac_bssid + ETH_ALEN, bssid, ETH_ALEN);
662
663 /* Write our MAC address and BSSID to template ram */
664 for (i = 0; i < ARRAY_SIZE(mac_bssid); i += sizeof(u32)) {
665 tmp = (u32) (mac_bssid[i + 0]);
666 tmp |= (u32) (mac_bssid[i + 1]) << 8;
667 tmp |= (u32) (mac_bssid[i + 2]) << 16;
668 tmp |= (u32) (mac_bssid[i + 3]) << 24;
669 b43_ram_write(dev, 0x20 + i, tmp);
670 }
671}
672
4150c572 673static void b43_upload_card_macaddress(struct b43_wldev *dev)
e4d6b795 674{
e4d6b795 675 b43_write_mac_bssid_templates(dev);
4150c572 676 b43_macfilter_set(dev, B43_MACFILTER_SELF, dev->wl->mac_addr);
e4d6b795
MB		 677}
678
679static void b43_set_slot_time(struct b43_wldev *dev, u16 slot_time)
680{
681 /* slot_time is in usec. */
b6c3f5be
LF		 682 /* This test used to exit for all but a G PHY. */
683 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
e4d6b795 684 return;
b6c3f5be
LF		 685 b43_write16(dev, B43_MMIO_IFSSLOT, 510 + slot_time);
686 /* Shared memory location 0x0010 is the slot time and should be
687 * set to slot_time; however, this register is initially 0 and changing
688 * the value adversely affects the transmit rate for BCM4311
689 * devices. Until this behavior is unterstood, delete this step
690 *
691 * b43_shm_write16(dev, B43_SHM_SHARED, 0x0010, slot_time);
692 */
e4d6b795
MB		 693}
694
695static void b43_short_slot_timing_enable(struct b43_wldev *dev)
696{
697 b43_set_slot_time(dev, 9);
e4d6b795
MB		 698}
699
700static void b43_short_slot_timing_disable(struct b43_wldev *dev)
701{
702 b43_set_slot_time(dev, 20);
e4d6b795
MB		 703}
704
e4d6b795 705/* DummyTransmission function, as documented on
2f19c287 706 * http://bcm-v4.sipsolutions.net/802.11/DummyTransmission
e4d6b795 707 */
2f19c287 708void b43_dummy_transmission(struct b43_wldev *dev, bool ofdm, bool pa_on)
e4d6b795
MB		 709{
710 struct b43_phy *phy = &dev->phy;
711 unsigned int i, max_loop;
712 u16 value;
713 u32 buffer[5] = {
714 0x00000000,
715 0x00D40000,
716 0x00000000,
717 0x01000000,
718 0x00000000,
719 };
720
2f19c287 721 if (ofdm) {
e4d6b795
MB		 722 max_loop = 0x1E;
723 buffer[0] = 0x000201CC;
2f19c287 724 } else {
e4d6b795
MB		 725 max_loop = 0xFA;
726 buffer[0] = 0x000B846E;
e4d6b795
MB		 727 }
728
729 for (i = 0; i < 5; i++)
730 b43_ram_write(dev, i * 4, buffer[i]);
731
7955d87f
RM		 732 b43_write16(dev, B43_MMIO_XMTSEL, 0x0000);
733
21d889d4 734 if (dev->dev->core_rev < 11)
7955d87f 735 b43_write16(dev, B43_MMIO_WEPCTL, 0x0000);
2f19c287 736 else
7955d87f
RM		 737 b43_write16(dev, B43_MMIO_WEPCTL, 0x0100);
738
2f19c287 739 value = (ofdm ? 0x41 : 0x40);
7955d87f 740 b43_write16(dev, B43_MMIO_TXE0_PHYCTL, value);
93dbd828
RM		 741 if (phy->type == B43_PHYTYPE_N || phy->type == B43_PHYTYPE_LP ||
742 phy->type == B43_PHYTYPE_LCN)
7955d87f
RM		 743 b43_write16(dev, B43_MMIO_TXE0_PHYCTL1, 0x1A02);
744
745 b43_write16(dev, B43_MMIO_TXE0_WM_0, 0x0000);
746 b43_write16(dev, B43_MMIO_TXE0_WM_1, 0x0000);
747
748 b43_write16(dev, B43_MMIO_XMTTPLATETXPTR, 0x0000);
749 b43_write16(dev, B43_MMIO_XMTTXCNT, 0x0014);
750 b43_write16(dev, B43_MMIO_XMTSEL, 0x0826);
751 b43_write16(dev, B43_MMIO_TXE0_CTL, 0x0000);
93dbd828
RM		 752
753 if (!pa_on && phy->type == B43_PHYTYPE_N)
754 ; /*b43_nphy_pa_override(dev, false) */
2f19c287
GS		 755
756 switch (phy->type) {
757 case B43_PHYTYPE_N:
93dbd828 758 case B43_PHYTYPE_LCN:
7955d87f 759 b43_write16(dev, B43_MMIO_TXE0_AUX, 0x00D0);
2f19c287
GS		 760 break;
761 case B43_PHYTYPE_LP:
7955d87f 762 b43_write16(dev, B43_MMIO_TXE0_AUX, 0x0050);
2f19c287
GS		 763 break;
764 default:
7955d87f 765 b43_write16(dev, B43_MMIO_TXE0_AUX, 0x0030);
2f19c287 766 }
93dbd828 767 b43_read16(dev, B43_MMIO_TXE0_AUX);
e4d6b795
MB		 768
769 if (phy->radio_ver == 0x2050 && phy->radio_rev <= 0x5)
770 b43_radio_write16(dev, 0x0051, 0x0017);
771 for (i = 0x00; i < max_loop; i++) {
7955d87f 772 value = b43_read16(dev, B43_MMIO_TXE0_STATUS);
e4d6b795
MB		 773 if (value & 0x0080)
774 break;
775 udelay(10);
776 }
777 for (i = 0x00; i < 0x0A; i++) {
7955d87f 778 value = b43_read16(dev, B43_MMIO_TXE0_STATUS);
e4d6b795
MB		 779 if (value & 0x0400)
780 break;
781 udelay(10);
782 }
1d280ddc 783 for (i = 0x00; i < 0x19; i++) {
7955d87f 784 value = b43_read16(dev, B43_MMIO_IFSSTAT);
e4d6b795
MB		 785 if (!(value & 0x0100))
786 break;
787 udelay(10);
788 }
789 if (phy->radio_ver == 0x2050 && phy->radio_rev <= 0x5)
790 b43_radio_write16(dev, 0x0051, 0x0037);
791}
792
793static void key_write(struct b43_wldev *dev,
99da185a 794 u8 index, u8 algorithm, const u8 *key)
e4d6b795
MB		 795{
796 unsigned int i;
797 u32 offset;
798 u16 value;
799 u16 kidx;
800
801 /* Key index/algo block */
802 kidx = b43_kidx_to_fw(dev, index);
803 value = ((kidx << 4) | algorithm);
804 b43_shm_write16(dev, B43_SHM_SHARED,
805 B43_SHM_SH_KEYIDXBLOCK + (kidx * 2), value);
806
807 /* Write the key to the Key Table Pointer offset */
808 offset = dev->ktp + (index * B43_SEC_KEYSIZE);
809 for (i = 0; i < B43_SEC_KEYSIZE; i += 2) {
810 value = key[i];
811 value |= (u16) (key[i + 1]) << 8;
812 b43_shm_write16(dev, B43_SHM_SHARED, offset + i, value);
813 }
814}
815
99da185a 816static void keymac_write(struct b43_wldev *dev, u8 index, const u8 *addr)
e4d6b795
MB		 817{
818 u32 addrtmp[2] = { 0, 0, };
66d2d089 819 u8 pairwise_keys_start = B43_NR_GROUP_KEYS * 2;
e4d6b795
MB		 820
821 if (b43_new_kidx_api(dev))
66d2d089 822 pairwise_keys_start = B43_NR_GROUP_KEYS;
e4d6b795 823
66d2d089
MB		 824 B43_WARN_ON(index < pairwise_keys_start);
825 /* We have four default TX keys and possibly four default RX keys.
e4d6b795
MB		 826 * Physical mac 0 is mapped to physical key 4 or 8, depending
827 * on the firmware version.
828 * So we must adjust the index here.
829 */
66d2d089
MB		 830 index -= pairwise_keys_start;
831 B43_WARN_ON(index >= B43_NR_PAIRWISE_KEYS);
e4d6b795
MB		 832
833 if (addr) {
834 addrtmp[0] = addr[0];
835 addrtmp[0] |= ((u32) (addr[1]) << 8);
836 addrtmp[0] |= ((u32) (addr[2]) << 16);
837 addrtmp[0] |= ((u32) (addr[3]) << 24);
838 addrtmp[1] = addr[4];
839 addrtmp[1] |= ((u32) (addr[5]) << 8);
840 }
841
66d2d089
MB		 842 /* Receive match transmitter address (RCMTA) mechanism */
843 b43_shm_write32(dev, B43_SHM_RCMTA,
844 (index * 2) + 0, addrtmp[0]);
845 b43_shm_write16(dev, B43_SHM_RCMTA,
846 (index * 2) + 1, addrtmp[1]);
e4d6b795
MB		 847}
848
035d0243 849/* The ucode will use phase1 key with TEK key to decrypt rx packets.
850 * When a packet is received, the iv32 is checked.
851 * - if it doesn't the packet is returned without modification (and software
852 * decryption can be done). That's what happen when iv16 wrap.
853 * - if it does, the rc4 key is computed, and decryption is tried.
854 * Either it will success and B43_RX_MAC_DEC is returned,
855 * either it fails and B43_RX_MAC_DEC|B43_RX_MAC_DECERR is returned
856 * and the packet is not usable (it got modified by the ucode).
857 * So in order to never have B43_RX_MAC_DECERR, we should provide
858 * a iv32 and phase1key that match. Because we drop packets in case of
859 * B43_RX_MAC_DECERR, if we have a correct iv32 but a wrong phase1key, all
860 * packets will be lost without higher layer knowing (ie no resync possible
861 * until next wrap).
862 *
863 * NOTE : this should support 50 key like RCMTA because
864 * (B43_SHM_SH_KEYIDXBLOCK - B43_SHM_SH_TKIPTSCTTAK)/14 = 50
865 */
866static void rx_tkip_phase1_write(struct b43_wldev *dev, u8 index, u32 iv32,
867 u16 *phase1key)
868{
869 unsigned int i;
870 u32 offset;
871 u8 pairwise_keys_start = B43_NR_GROUP_KEYS * 2;
872
873 if (!modparam_hwtkip)
874 return;
875
876 if (b43_new_kidx_api(dev))
877 pairwise_keys_start = B43_NR_GROUP_KEYS;
878
879 B43_WARN_ON(index < pairwise_keys_start);
880 /* We have four default TX keys and possibly four default RX keys.
881 * Physical mac 0 is mapped to physical key 4 or 8, depending
882 * on the firmware version.
883 * So we must adjust the index here.
884 */
885 index -= pairwise_keys_start;
886 B43_WARN_ON(index >= B43_NR_PAIRWISE_KEYS);
887
888 if (b43_debug(dev, B43_DBG_KEYS)) {
889 b43dbg(dev->wl, "rx_tkip_phase1_write : idx 0x%x, iv32 0x%x\n",
890 index, iv32);
891 }
892 /* Write the key to the RX tkip shared mem */
893 offset = B43_SHM_SH_TKIPTSCTTAK + index * (10 + 4);
894 for (i = 0; i < 10; i += 2) {
895 b43_shm_write16(dev, B43_SHM_SHARED, offset + i,
896 phase1key ? phase1key[i / 2] : 0);
897 }
898 b43_shm_write16(dev, B43_SHM_SHARED, offset + i, iv32);
899 b43_shm_write16(dev, B43_SHM_SHARED, offset + i + 2, iv32 >> 16);
900}
901
902static void b43_op_update_tkip_key(struct ieee80211_hw *hw,
b3fbdcf4
JB		 903 struct ieee80211_vif *vif,
904 struct ieee80211_key_conf *keyconf,
905 struct ieee80211_sta *sta,
906 u32 iv32, u16 *phase1key)
035d0243 907{
908 struct b43_wl *wl = hw_to_b43_wl(hw);
909 struct b43_wldev *dev;
910 int index = keyconf->hw_key_idx;
911
912 if (B43_WARN_ON(!modparam_hwtkip))
913 return;
914
96869a39
MB		 915 /* This is only called from the RX path through mac80211, where
916 * our mutex is already locked. */
917 B43_WARN_ON(!mutex_is_locked(&wl->mutex));
035d0243 918 dev = wl->current_dev;
96869a39 919 B43_WARN_ON(!dev || b43_status(dev) < B43_STAT_INITIALIZED);
035d0243 920
921 keymac_write(dev, index, NULL); /* First zero out mac to avoid race */
922
923 rx_tkip_phase1_write(dev, index, iv32, phase1key);
b3fbdcf4
JB		 924 /* only pairwise TKIP keys are supported right now */
925 if (WARN_ON(!sta))
96869a39 926 return;
b3fbdcf4 927 keymac_write(dev, index, sta->addr);
035d0243 928}
929
e4d6b795
MB		 930static void do_key_write(struct b43_wldev *dev,
931 u8 index, u8 algorithm,
99da185a 932 const u8 *key, size_t key_len, const u8 *mac_addr)
e4d6b795
MB		 933{
934 u8 buf[B43_SEC_KEYSIZE] = { 0, };
66d2d089 935 u8 pairwise_keys_start = B43_NR_GROUP_KEYS * 2;
e4d6b795
MB		 936
937 if (b43_new_kidx_api(dev))
66d2d089 938 pairwise_keys_start = B43_NR_GROUP_KEYS;
e4d6b795 939
66d2d089 940 B43_WARN_ON(index >= ARRAY_SIZE(dev->key));
e4d6b795
MB		 941 B43_WARN_ON(key_len > B43_SEC_KEYSIZE);
942
66d2d089 943 if (index >= pairwise_keys_start)
e4d6b795 944 keymac_write(dev, index, NULL); /* First zero out mac. */
035d0243 945 if (algorithm == B43_SEC_ALGO_TKIP) {
946 /*
947 * We should provide an initial iv32, phase1key pair.
948 * We could start with iv32=0 and compute the corresponding
949 * phase1key, but this means calling ieee80211_get_tkip_key
950 * with a fake skb (or export other tkip function).
951 * Because we are lazy we hope iv32 won't start with
952 * 0xffffffff and let's b43_op_update_tkip_key provide a
953 * correct pair.
954 */
955 rx_tkip_phase1_write(dev, index, 0xffffffff, (u16*)buf);
956 } else if (index >= pairwise_keys_start) /* clear it */
957 rx_tkip_phase1_write(dev, index, 0, NULL);
e4d6b795
MB		 958 if (key)
959 memcpy(buf, key, key_len);
960 key_write(dev, index, algorithm, buf);
66d2d089 961 if (index >= pairwise_keys_start)
e4d6b795
MB		 962 keymac_write(dev, index, mac_addr);
963
964 dev->key[index].algorithm = algorithm;
965}
966
967static int b43_key_write(struct b43_wldev *dev,
968 int index, u8 algorithm,
99da185a
JD		 969 const u8 *key, size_t key_len,
970 const u8 *mac_addr,
e4d6b795
MB		 971 struct ieee80211_key_conf *keyconf)
972{
973 int i;
66d2d089 974 int pairwise_keys_start;
e4d6b795 975
035d0243 976 /* For ALG_TKIP the key is encoded as a 256-bit (32 byte) data block:
977 * - Temporal Encryption Key (128 bits)
978 * - Temporal Authenticator Tx MIC Key (64 bits)
979 * - Temporal Authenticator Rx MIC Key (64 bits)
980 *
981 * Hardware only store TEK
982 */
983 if (algorithm == B43_SEC_ALGO_TKIP && key_len == 32)
984 key_len = 16;
e4d6b795
MB		 985 if (key_len > B43_SEC_KEYSIZE)
986 return -EINVAL;
66d2d089 987 for (i = 0; i < ARRAY_SIZE(dev->key); i++) {
e4d6b795
MB		 988 /* Check that we don't already have this key. */
989 B43_WARN_ON(dev->key[i].keyconf == keyconf);
990 }
991 if (index < 0) {
e808e586 992 /* Pairwise key. Get an empty slot for the key. */
e4d6b795 993 if (b43_new_kidx_api(dev))
66d2d089 994 pairwise_keys_start = B43_NR_GROUP_KEYS;
e4d6b795 995 else
66d2d089
MB		 996 pairwise_keys_start = B43_NR_GROUP_KEYS * 2;
997 for (i = pairwise_keys_start;
998 i < pairwise_keys_start + B43_NR_PAIRWISE_KEYS;
999 i++) {
1000 B43_WARN_ON(i >= ARRAY_SIZE(dev->key));
e4d6b795
MB		 1001 if (!dev->key[i].keyconf) {
1002 /* found empty */
1003 index = i;
1004 break;
1005 }
1006 }
1007 if (index < 0) {
e808e586 1008 b43warn(dev->wl, "Out of hardware key memory\n");
e4d6b795
MB		 1009 return -ENOSPC;
1010 }
1011 } else
1012 B43_WARN_ON(index > 3);
1013
1014 do_key_write(dev, index, algorithm, key, key_len, mac_addr);
1015 if ((index <= 3) && !b43_new_kidx_api(dev)) {
1016 /* Default RX key */
1017 B43_WARN_ON(mac_addr);
1018 do_key_write(dev, index + 4, algorithm, key, key_len, NULL);
1019 }
1020 keyconf->hw_key_idx = index;
1021 dev->key[index].keyconf = keyconf;
1022
1023 return 0;
1024}
1025
1026static int b43_key_clear(struct b43_wldev *dev, int index)
1027{
66d2d089 1028 if (B43_WARN_ON((index < 0) || (index >= ARRAY_SIZE(dev->key))))
e4d6b795
MB		 1029 return -EINVAL;
1030 do_key_write(dev, index, B43_SEC_ALGO_NONE,
1031 NULL, B43_SEC_KEYSIZE, NULL);
1032 if ((index <= 3) && !b43_new_kidx_api(dev)) {
1033 do_key_write(dev, index + 4, B43_SEC_ALGO_NONE,
1034 NULL, B43_SEC_KEYSIZE, NULL);
1035 }
1036 dev->key[index].keyconf = NULL;
1037
1038 return 0;
1039}
1040
1041static void b43_clear_keys(struct b43_wldev *dev)
1042{
66d2d089 1043 int i, count;
e4d6b795 1044
66d2d089
MB		 1045 if (b43_new_kidx_api(dev))
1046 count = B43_NR_GROUP_KEYS + B43_NR_PAIRWISE_KEYS;
1047 else
1048 count = B43_NR_GROUP_KEYS * 2 + B43_NR_PAIRWISE_KEYS;
1049 for (i = 0; i < count; i++)
e4d6b795
MB		 1050 b43_key_clear(dev, i);
1051}
1052
9cf7f247
MB		 1053static void b43_dump_keymemory(struct b43_wldev *dev)
1054{
66d2d089 1055 unsigned int i, index, count, offset, pairwise_keys_start;
9cf7f247
MB		 1056 u8 mac[ETH_ALEN];
1057 u16 algo;
1058 u32 rcmta0;
1059 u16 rcmta1;
1060 u64 hf;
1061 struct b43_key *key;
1062
1063 if (!b43_debug(dev, B43_DBG_KEYS))
1064 return;
1065
1066 hf = b43_hf_read(dev);
1067 b43dbg(dev->wl, "Hardware key memory dump: USEDEFKEYS=%u\n",
1068 !!(hf & B43_HF_USEDEFKEYS));
66d2d089
MB		 1069 if (b43_new_kidx_api(dev)) {
1070 pairwise_keys_start = B43_NR_GROUP_KEYS;
1071 count = B43_NR_GROUP_KEYS + B43_NR_PAIRWISE_KEYS;
1072 } else {
1073 pairwise_keys_start = B43_NR_GROUP_KEYS * 2;
1074 count = B43_NR_GROUP_KEYS * 2 + B43_NR_PAIRWISE_KEYS;
1075 }
1076 for (index = 0; index < count; index++) {
9cf7f247
MB		 1077 key = &(dev->key[index]);
1078 printk(KERN_DEBUG "Key slot %02u: %s",
1079 index, (key->keyconf == NULL) ? " " : "*");
1080 offset = dev->ktp + (index * B43_SEC_KEYSIZE);
1081 for (i = 0; i < B43_SEC_KEYSIZE; i += 2) {
1082 u16 tmp = b43_shm_read16(dev, B43_SHM_SHARED, offset + i);
1083 printk("%02X%02X", (tmp & 0xFF), ((tmp >> 8) & 0xFF));
1084 }
1085
1086 algo = b43_shm_read16(dev, B43_SHM_SHARED,
1087 B43_SHM_SH_KEYIDXBLOCK + (index * 2));
1088 printk(" Algo: %04X/%02X", algo, key->algorithm);
1089
66d2d089 1090 if (index >= pairwise_keys_start) {
035d0243 1091 if (key->algorithm == B43_SEC_ALGO_TKIP) {
1092 printk(" TKIP: ");
1093 offset = B43_SHM_SH_TKIPTSCTTAK + (index - 4) * (10 + 4);
1094 for (i = 0; i < 14; i += 2) {
1095 u16 tmp = b43_shm_read16(dev, B43_SHM_SHARED, offset + i);
1096 printk("%02X%02X", (tmp & 0xFF), ((tmp >> 8) & 0xFF));
1097 }
1098 }
9cf7f247 1099 rcmta0 = b43_shm_read32(dev, B43_SHM_RCMTA,
66d2d089 1100 ((index - pairwise_keys_start) * 2) + 0);
9cf7f247 1101 rcmta1 = b43_shm_read16(dev, B43_SHM_RCMTA,
66d2d089 1102 ((index - pairwise_keys_start) * 2) + 1);
9cf7f247
MB		 1103 *((__le32 *)(&mac[0])) = cpu_to_le32(rcmta0);
1104 *((__le16 *)(&mac[4])) = cpu_to_le16(rcmta1);
e91d8334 1105 printk(" MAC: %pM", mac);
9cf7f247
MB		 1106 } else
1107 printk(" DEFAULT KEY");
1108 printk("\n");
1109 }
1110}
1111
e4d6b795
MB		 1112void b43_power_saving_ctl_bits(struct b43_wldev *dev, unsigned int ps_flags)
1113{
1114 u32 macctl;
1115 u16 ucstat;
1116 bool hwps;
1117 bool awake;
1118 int i;
1119
1120 B43_WARN_ON((ps_flags & B43_PS_ENABLED) &&
1121 (ps_flags & B43_PS_DISABLED));
1122 B43_WARN_ON((ps_flags & B43_PS_AWAKE) && (ps_flags & B43_PS_ASLEEP));
1123
1124 if (ps_flags & B43_PS_ENABLED) {
1125 hwps = 1;
1126 } else if (ps_flags & B43_PS_DISABLED) {
1127 hwps = 0;
1128 } else {
1129 //TODO: If powersave is not off and FIXME is not set and we are not in adhoc
1130 // and thus is not an AP and we are associated, set bit 25
1131 }
1132 if (ps_flags & B43_PS_AWAKE) {
1133 awake = 1;
1134 } else if (ps_flags & B43_PS_ASLEEP) {
1135 awake = 0;
1136 } else {
1137 //TODO: If the device is awake or this is an AP, or we are scanning, or FIXME,
1138 // or we are associated, or FIXME, or the latest PS-Poll packet sent was
1139 // successful, set bit26
1140 }
1141
1142/* FIXME: For now we force awake-on and hwps-off */
1143 hwps = 0;
1144 awake = 1;
1145
1146 macctl = b43_read32(dev, B43_MMIO_MACCTL);
1147 if (hwps)
1148 macctl |= B43_MACCTL_HWPS;
1149 else
1150 macctl &= ~B43_MACCTL_HWPS;
1151 if (awake)
1152 macctl |= B43_MACCTL_AWAKE;
1153 else
1154 macctl &= ~B43_MACCTL_AWAKE;
1155 b43_write32(dev, B43_MMIO_MACCTL, macctl);
1156 /* Commit write */
1157 b43_read32(dev, B43_MMIO_MACCTL);
21d889d4 1158 if (awake && dev->dev->core_rev >= 5) {
e4d6b795
MB		 1159 /* Wait for the microcode to wake up. */
1160 for (i = 0; i < 100; i++) {
1161 ucstat = b43_shm_read16(dev, B43_SHM_SHARED,
1162 B43_SHM_SH_UCODESTAT);
1163 if (ucstat != B43_SHM_SH_UCODESTAT_SLEEP)
1164 break;
1165 udelay(10);
1166 }
1167 }
1168}
1169
42c9a458 1170#ifdef CONFIG_B43_BCMA
49173592 1171static void b43_bcma_phy_reset(struct b43_wldev *dev)
42c9a458 1172{
49173592 1173 u32 flags;
42c9a458 1174
49173592
RM		 1175 /* Put PHY into reset */
1176 flags = bcma_aread32(dev->dev->bdev, BCMA_IOCTL);
1177 flags |= B43_BCMA_IOCTL_PHY_RESET;
42c9a458 1178 flags |= B43_BCMA_IOCTL_PHY_BW_20MHZ; /* Make 20 MHz def */
49173592
RM		 1179 bcma_awrite32(dev->dev->bdev, BCMA_IOCTL, flags);
1180 udelay(2);
1181
1182 /* Take PHY out of reset */
1183 flags = bcma_aread32(dev->dev->bdev, BCMA_IOCTL);
1184 flags &= ~B43_BCMA_IOCTL_PHY_RESET;
1185 flags |= BCMA_IOCTL_FGC;
1186 bcma_awrite32(dev->dev->bdev, BCMA_IOCTL, flags);
1187 udelay(1);
1188
1189 /* Do not force clock anymore */
1190 flags = bcma_aread32(dev->dev->bdev, BCMA_IOCTL);
1191 flags &= ~BCMA_IOCTL_FGC;
1192 bcma_awrite32(dev->dev->bdev, BCMA_IOCTL, flags);
1193 udelay(1);
1194}
42c9a458 1195
49173592
RM		 1196static void b43_bcma_wireless_core_reset(struct b43_wldev *dev, bool gmode)
1197{
1198 b43_device_enable(dev, B43_BCMA_IOCTL_PHY_CLKEN);
1199 bcma_core_set_clockmode(dev->dev->bdev, BCMA_CLKMODE_FAST);
1200 b43_bcma_phy_reset(dev);
1201 bcma_core_pll_ctl(dev->dev->bdev, 0x300, 0x3000000, true);
42c9a458
RM		 1202}
1203#endif
1204
4da909e7 1205static void b43_ssb_wireless_core_reset(struct b43_wldev *dev, bool gmode)
e4d6b795 1206{
d48ae5c8 1207 struct ssb_device *sdev = dev->dev->sdev;
e4d6b795 1208 u32 tmslow;
4da909e7 1209 u32 flags = 0;
e4d6b795 1210
4da909e7
RM		 1211 if (gmode)
1212 flags |= B43_TMSLOW_GMODE;
e4d6b795
MB		 1213 flags |= B43_TMSLOW_PHYCLKEN;
1214 flags |= B43_TMSLOW_PHYRESET;
42ab135f
RM		 1215 if (dev->phy.type == B43_PHYTYPE_N)
1216 flags |= B43_TMSLOW_PHY_BANDWIDTH_20MHZ; /* Make 20 MHz def */
24ca39d6 1217 b43_device_enable(dev, flags);
e4d6b795
MB		 1218 msleep(2); /* Wait for the PLL to turn on. */
1219
1220 /* Now take the PHY out of Reset again */
d48ae5c8 1221 tmslow = ssb_read32(sdev, SSB_TMSLOW);
e4d6b795
MB		 1222 tmslow |= SSB_TMSLOW_FGC;
1223 tmslow &= ~B43_TMSLOW_PHYRESET;
d48ae5c8
RM		 1224 ssb_write32(sdev, SSB_TMSLOW, tmslow);
1225 ssb_read32(sdev, SSB_TMSLOW); /* flush */
e4d6b795
MB		 1226 msleep(1);
1227 tmslow &= ~SSB_TMSLOW_FGC;
d48ae5c8
RM		 1228 ssb_write32(sdev, SSB_TMSLOW, tmslow);
1229 ssb_read32(sdev, SSB_TMSLOW); /* flush */
e4d6b795 1230 msleep(1);
1495298d
RM		 1231}
1232
4da909e7 1233void b43_wireless_core_reset(struct b43_wldev *dev, bool gmode)
1495298d
RM		 1234{
1235 u32 macctl;
1236
6cbab0d9 1237 switch (dev->dev->bus_type) {
42c9a458
RM		 1238#ifdef CONFIG_B43_BCMA
1239 case B43_BUS_BCMA:
1240 b43_bcma_wireless_core_reset(dev, gmode);
1241 break;
1242#endif
6cbab0d9
RM		 1243#ifdef CONFIG_B43_SSB
1244 case B43_BUS_SSB:
1245 b43_ssb_wireless_core_reset(dev, gmode);
1246 break;
1247#endif
1248 }
e4d6b795 1249
fb11137a
MB		 1250 /* Turn Analog ON, but only if we already know the PHY-type.
1251 * This protects against very early setup where we don't know the
1252 * PHY-type, yet. wireless_core_reset will be called once again later,
1253 * when we know the PHY-type. */
1254 if (dev->phy.ops)
cb24f57f 1255 dev->phy.ops->switch_analog(dev, 1);
e4d6b795
MB		 1256
1257 macctl = b43_read32(dev, B43_MMIO_MACCTL);
1258 macctl &= ~B43_MACCTL_GMODE;
4da909e7 1259 if (gmode)
e4d6b795
MB		 1260 macctl |= B43_MACCTL_GMODE;
1261 macctl |= B43_MACCTL_IHR_ENABLED;
1262 b43_write32(dev, B43_MMIO_MACCTL, macctl);
1263}
1264
1265static void handle_irq_transmit_status(struct b43_wldev *dev)
1266{
1267 u32 v0, v1;
1268 u16 tmp;
1269 struct b43_txstatus stat;
1270
1271 while (1) {
1272 v0 = b43_read32(dev, B43_MMIO_XMITSTAT_0);
1273 if (!(v0 & 0x00000001))
1274 break;
1275 v1 = b43_read32(dev, B43_MMIO_XMITSTAT_1);
1276
1277 stat.cookie = (v0 >> 16);
1278 stat.seq = (v1 & 0x0000FFFF);
1279 stat.phy_stat = ((v1 & 0x00FF0000) >> 16);
1280 tmp = (v0 & 0x0000FFFF);
1281 stat.frame_count = ((tmp & 0xF000) >> 12);
1282 stat.rts_count = ((tmp & 0x0F00) >> 8);
1283 stat.supp_reason = ((tmp & 0x001C) >> 2);
1284 stat.pm_indicated = !!(tmp & 0x0080);
1285 stat.intermediate = !!(tmp & 0x0040);
1286 stat.for_ampdu = !!(tmp & 0x0020);
1287 stat.acked = !!(tmp & 0x0002);
1288
1289 b43_handle_txstatus(dev, &stat);
1290 }
1291}
1292
1293static void drain_txstatus_queue(struct b43_wldev *dev)
1294{
1295 u32 dummy;
1296
21d889d4 1297 if (dev->dev->core_rev < 5)
e4d6b795
MB		 1298 return;
1299 /* Read all entries from the microcode TXstatus FIFO
1300 * and throw them away.
1301 */
1302 while (1) {
1303 dummy = b43_read32(dev, B43_MMIO_XMITSTAT_0);
1304 if (!(dummy & 0x00000001))
1305 break;
1306 dummy = b43_read32(dev, B43_MMIO_XMITSTAT_1);
1307 }
1308}
1309
1310static u32 b43_jssi_read(struct b43_wldev *dev)
1311{
1312 u32 val = 0;
1313
1314 val = b43_shm_read16(dev, B43_SHM_SHARED, 0x08A);
1315 val <<= 16;
1316 val |= b43_shm_read16(dev, B43_SHM_SHARED, 0x088);
1317
1318 return val;
1319}
1320
1321static void b43_jssi_write(struct b43_wldev *dev, u32 jssi)
1322{
1323 b43_shm_write16(dev, B43_SHM_SHARED, 0x088, (jssi & 0x0000FFFF));
1324 b43_shm_write16(dev, B43_SHM_SHARED, 0x08A, (jssi & 0xFFFF0000) >> 16);
1325}
1326
1327static void b43_generate_noise_sample(struct b43_wldev *dev)
1328{
1329 b43_jssi_write(dev, 0x7F7F7F7F);
aa6c7ae2
MB		 1330 b43_write32(dev, B43_MMIO_MACCMD,
1331 b43_read32(dev, B43_MMIO_MACCMD) | B43_MACCMD_BGNOISE);
e4d6b795
MB		 1332}
1333
1334static void b43_calculate_link_quality(struct b43_wldev *dev)
1335{
1336 /* Top half of Link Quality calculation. */
1337
ef1a628d
MB		 1338 if (dev->phy.type != B43_PHYTYPE_G)
1339 return;
e4d6b795
MB		 1340 if (dev->noisecalc.calculation_running)
1341 return;
e4d6b795
MB		 1342 dev->noisecalc.calculation_running = 1;
1343 dev->noisecalc.nr_samples = 0;
1344
1345 b43_generate_noise_sample(dev);
1346}
1347
1348static void handle_irq_noise(struct b43_wldev *dev)
1349{
ef1a628d 1350 struct b43_phy_g *phy = dev->phy.g;
e4d6b795
MB		 1351 u16 tmp;
1352 u8 noise[4];
1353 u8 i, j;
1354 s32 average;
1355
1356 /* Bottom half of Link Quality calculation. */
1357
ef1a628d
MB		 1358 if (dev->phy.type != B43_PHYTYPE_G)
1359 return;
1360
98a3b2fe
MB		 1361 /* Possible race condition: It might be possible that the user
1362 * changed to a different channel in the meantime since we
1363 * started the calculation. We ignore that fact, since it's
1364 * not really that much of a problem. The background noise is
1365 * an estimation only anyway. Slightly wrong results will get damped
1366 * by the averaging of the 8 sample rounds. Additionally the
1367 * value is shortlived. So it will be replaced by the next noise
1368 * calculation round soon. */
1369
e4d6b795 1370 B43_WARN_ON(!dev->noisecalc.calculation_running);
1a09404a 1371 *((__le32 *)noise) = cpu_to_le32(b43_jssi_read(dev));
e4d6b795
MB		 1372 if (noise[0] == 0x7F || noise[1] == 0x7F ||
1373 noise[2] == 0x7F || noise[3] == 0x7F)
1374 goto generate_new;
1375
1376 /* Get the noise samples. */
1377 B43_WARN_ON(dev->noisecalc.nr_samples >= 8);
1378 i = dev->noisecalc.nr_samples;
cdbf0846
HH		 1379 noise[0] = clamp_val(noise[0], 0, ARRAY_SIZE(phy->nrssi_lt) - 1);
1380 noise[1] = clamp_val(noise[1], 0, ARRAY_SIZE(phy->nrssi_lt) - 1);
1381 noise[2] = clamp_val(noise[2], 0, ARRAY_SIZE(phy->nrssi_lt) - 1);
1382 noise[3] = clamp_val(noise[3], 0, ARRAY_SIZE(phy->nrssi_lt) - 1);
e4d6b795
MB		 1383 dev->noisecalc.samples[i][0] = phy->nrssi_lt[noise[0]];
1384 dev->noisecalc.samples[i][1] = phy->nrssi_lt[noise[1]];
1385 dev->noisecalc.samples[i][2] = phy->nrssi_lt[noise[2]];
1386 dev->noisecalc.samples[i][3] = phy->nrssi_lt[noise[3]];
1387 dev->noisecalc.nr_samples++;
1388 if (dev->noisecalc.nr_samples == 8) {
1389 /* Calculate the Link Quality by the noise samples. */
1390 average = 0;
1391 for (i = 0; i < 8; i++) {
1392 for (j = 0; j < 4; j++)
1393 average += dev->noisecalc.samples[i][j];
1394 }
1395 average /= (8 * 4);
1396 average *= 125;
1397 average += 64;
1398 average /= 128;
1399 tmp = b43_shm_read16(dev, B43_SHM_SHARED, 0x40C);
1400 tmp = (tmp / 128) & 0x1F;
1401 if (tmp >= 8)
1402 average += 2;
1403 else
1404 average -= 25;
1405 if (tmp == 8)
1406 average -= 72;
1407 else
1408 average -= 48;
1409
1410 dev->stats.link_noise = average;
e4d6b795
MB		 1411 dev->noisecalc.calculation_running = 0;
1412 return;
1413 }
98a3b2fe 1414generate_new:
e4d6b795
MB		 1415 b43_generate_noise_sample(dev);
1416}
1417
1418static void handle_irq_tbtt_indication(struct b43_wldev *dev)
1419{
05c914fe 1420 if (b43_is_mode(dev->wl, NL80211_IFTYPE_AP)) {
e4d6b795
MB		 1421 ///TODO: PS TBTT
1422 } else {
1423 if (1 /*FIXME: the last PSpoll frame was sent successfully */ )
1424 b43_power_saving_ctl_bits(dev, 0);
1425 }
05c914fe 1426 if (b43_is_mode(dev->wl, NL80211_IFTYPE_ADHOC))
aa6c7ae2 1427 dev->dfq_valid = 1;
e4d6b795
MB		 1428}
1429
1430static void handle_irq_atim_end(struct b43_wldev *dev)
1431{
aa6c7ae2
MB		 1432 if (dev->dfq_valid) {
1433 b43_write32(dev, B43_MMIO_MACCMD,
1434 b43_read32(dev, B43_MMIO_MACCMD)
1435 | B43_MACCMD_DFQ_VALID);
1436 dev->dfq_valid = 0;
1437 }
e4d6b795
MB		 1438}
1439
1440static void handle_irq_pmq(struct b43_wldev *dev)
1441{
1442 u32 tmp;
1443
1444 //TODO: AP mode.
1445
1446 while (1) {
1447 tmp = b43_read32(dev, B43_MMIO_PS_STATUS);
1448 if (!(tmp & 0x00000008))
1449 break;
1450 }
1451 /* 16bit write is odd, but correct. */
1452 b43_write16(dev, B43_MMIO_PS_STATUS, 0x0002);
1453}
1454
1455static void b43_write_template_common(struct b43_wldev *dev,
99da185a 1456 const u8 *data, u16 size,
e4d6b795
MB		 1457 u16 ram_offset,
1458 u16 shm_size_offset, u8 rate)
1459{
1460 u32 i, tmp;
1461 struct b43_plcp_hdr4 plcp;
1462
1463 plcp.data = 0;
1464 b43_generate_plcp_hdr(&plcp, size + FCS_LEN, rate);
1465 b43_ram_write(dev, ram_offset, le32_to_cpu(plcp.data));
1466 ram_offset += sizeof(u32);
1467 /* The PLCP is 6 bytes long, but we only wrote 4 bytes, yet.
1468 * So leave the first two bytes of the next write blank.
1469 */
1470 tmp = (u32) (data[0]) << 16;
1471 tmp |= (u32) (data[1]) << 24;
1472 b43_ram_write(dev, ram_offset, tmp);
1473 ram_offset += sizeof(u32);
1474 for (i = 2; i < size; i += sizeof(u32)) {
1475 tmp = (u32) (data[i + 0]);
1476 if (i + 1 < size)
1477 tmp |= (u32) (data[i + 1]) << 8;
1478 if (i + 2 < size)
1479 tmp |= (u32) (data[i + 2]) << 16;
1480 if (i + 3 < size)
1481 tmp |= (u32) (data[i + 3]) << 24;
1482 b43_ram_write(dev, ram_offset + i - 2, tmp);
1483 }
1484 b43_shm_write16(dev, B43_SHM_SHARED, shm_size_offset,
1485 size + sizeof(struct b43_plcp_hdr6));
1486}
1487
5042c507
MB		 1488/* Check if the use of the antenna that ieee80211 told us to
1489 * use is possible. This will fall back to DEFAULT.
1490 * "antenna_nr" is the antenna identifier we got from ieee80211. */
1491u8 b43_ieee80211_antenna_sanitize(struct b43_wldev *dev,
1492 u8 antenna_nr)
1493{
1494 u8 antenna_mask;
1495
1496 if (antenna_nr == 0) {
1497 /* Zero means "use default antenna". That's always OK. */
1498 return 0;
1499 }
1500
1501 /* Get the mask of available antennas. */
1502 if (dev->phy.gmode)
0581483a 1503 antenna_mask = dev->dev->bus_sprom->ant_available_bg;
5042c507 1504 else
0581483a 1505 antenna_mask = dev->dev->bus_sprom->ant_available_a;
5042c507
MB		 1506
1507 if (!(antenna_mask & (1 << (antenna_nr - 1)))) {
1508 /* This antenna is not available. Fall back to default. */
1509 return 0;
1510 }
1511
1512 return antenna_nr;
1513}
1514
5042c507
MB		 1515/* Convert a b43 antenna number value to the PHY TX control value. */
1516static u16 b43_antenna_to_phyctl(int antenna)
1517{
1518 switch (antenna) {
1519 case B43_ANTENNA0:
1520 return B43_TXH_PHY_ANT0;
1521 case B43_ANTENNA1:
1522 return B43_TXH_PHY_ANT1;
1523 case B43_ANTENNA2:
1524 return B43_TXH_PHY_ANT2;
1525 case B43_ANTENNA3:
1526 return B43_TXH_PHY_ANT3;
64e368bf
GS		 1527 case B43_ANTENNA_AUTO0:
1528 case B43_ANTENNA_AUTO1:
5042c507
MB		 1529 return B43_TXH_PHY_ANT01AUTO;
1530 }
1531 B43_WARN_ON(1);
1532 return 0;
1533}
1534
e4d6b795
MB		 1535static void b43_write_beacon_template(struct b43_wldev *dev,
1536 u16 ram_offset,
5042c507 1537 u16 shm_size_offset)
e4d6b795 1538{
47f76ca3 1539 unsigned int i, len, variable_len;
e66fee6a
MB		 1540 const struct ieee80211_mgmt *bcn;
1541 const u8 *ie;
1542 bool tim_found = 0;
5042c507
MB		 1543 unsigned int rate;
1544 u16 ctl;
1545 int antenna;
e039fa4a 1546 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(dev->wl->current_beacon);
e4d6b795 1547
e66fee6a
MB		 1548 bcn = (const struct ieee80211_mgmt *)(dev->wl->current_beacon->data);
1549 len = min((size_t) dev->wl->current_beacon->len,
e4d6b795 1550 0x200 - sizeof(struct b43_plcp_hdr6));
e039fa4a 1551 rate = ieee80211_get_tx_rate(dev->wl->hw, info)->hw_value;
e66fee6a
MB		 1552
1553 b43_write_template_common(dev, (const u8 *)bcn,
e4d6b795 1554 len, ram_offset, shm_size_offset, rate);
e66fee6a 1555
5042c507 1556 /* Write the PHY TX control parameters. */
0f4ac38b 1557 antenna = B43_ANTENNA_DEFAULT;
5042c507
MB		 1558 antenna = b43_antenna_to_phyctl(antenna);
1559 ctl = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL);
1560 /* We can't send beacons with short preamble. Would get PHY errors. */
1561 ctl &= ~B43_TXH_PHY_SHORTPRMBL;
1562 ctl &= ~B43_TXH_PHY_ANT;
1563 ctl &= ~B43_TXH_PHY_ENC;
1564 ctl |= antenna;
1565 if (b43_is_cck_rate(rate))
1566 ctl |= B43_TXH_PHY_ENC_CCK;
1567 else
1568 ctl |= B43_TXH_PHY_ENC_OFDM;
1569 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL, ctl);
1570
e66fee6a
MB		 1571 /* Find the position of the TIM and the DTIM_period value
1572 * and write them to SHM. */
1573 ie = bcn->u.beacon.variable;
47f76ca3
MB		 1574 variable_len = len - offsetof(struct ieee80211_mgmt, u.beacon.variable);
1575 for (i = 0; i < variable_len - 2; ) {
e66fee6a
MB		 1576 uint8_t ie_id, ie_len;
1577
1578 ie_id = ie[i];
1579 ie_len = ie[i + 1];
1580 if (ie_id == 5) {
1581 u16 tim_position;
1582 u16 dtim_period;
1583 /* This is the TIM Information Element */
1584
1585 /* Check whether the ie_len is in the beacon data range. */
47f76ca3 1586 if (variable_len < ie_len + 2 + i)
e66fee6a
MB		 1587 break;
1588 /* A valid TIM is at least 4 bytes long. */
1589 if (ie_len < 4)
1590 break;
1591 tim_found = 1;
1592
1593 tim_position = sizeof(struct b43_plcp_hdr6);
1594 tim_position += offsetof(struct ieee80211_mgmt, u.beacon.variable);
1595 tim_position += i;
1596
1597 dtim_period = ie[i + 3];
1598
1599 b43_shm_write16(dev, B43_SHM_SHARED,
1600 B43_SHM_SH_TIMBPOS, tim_position);
1601 b43_shm_write16(dev, B43_SHM_SHARED,
1602 B43_SHM_SH_DTIMPER, dtim_period);
1603 break;
1604 }
1605 i += ie_len + 2;
1606 }
1607 if (!tim_found) {
04dea136
JB		 1608 /*
1609 * If ucode wants to modify TIM do it behind the beacon, this
1610 * will happen, for example, when doing mesh networking.
1611 */
1612 b43_shm_write16(dev, B43_SHM_SHARED,
1613 B43_SHM_SH_TIMBPOS,
1614 len + sizeof(struct b43_plcp_hdr6));
1615 b43_shm_write16(dev, B43_SHM_SHARED,
1616 B43_SHM_SH_DTIMPER, 0);
1617 }
1618 b43dbg(dev->wl, "Updated beacon template at 0x%x\n", ram_offset);
e4d6b795
MB		 1619}
1620
6b4bec01
MB		 1621static void b43_upload_beacon0(struct b43_wldev *dev)
1622{
1623 struct b43_wl *wl = dev->wl;
1624
1625 if (wl->beacon0_uploaded)
1626 return;
1627 b43_write_beacon_template(dev, 0x68, 0x18);
6b4bec01
MB		 1628 wl->beacon0_uploaded = 1;
1629}
1630
1631static void b43_upload_beacon1(struct b43_wldev *dev)
1632{
1633 struct b43_wl *wl = dev->wl;
1634
1635 if (wl->beacon1_uploaded)
1636 return;
1637 b43_write_beacon_template(dev, 0x468, 0x1A);
1638 wl->beacon1_uploaded = 1;
1639}
1640
c97a4ccc
MB		 1641static void handle_irq_beacon(struct b43_wldev *dev)
1642{
1643 struct b43_wl *wl = dev->wl;
1644 u32 cmd, beacon0_valid, beacon1_valid;
1645
05c914fe 1646 if (!b43_is_mode(wl, NL80211_IFTYPE_AP) &&
8c23516f
MM		 1647 !b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT) &&
1648 !b43_is_mode(wl, NL80211_IFTYPE_ADHOC))
c97a4ccc
MB		 1649 return;
1650
1651 /* This is the bottom half of the asynchronous beacon update. */
1652
1653 /* Ignore interrupt in the future. */
13790728 1654 dev->irq_mask &= ~B43_IRQ_BEACON;
c97a4ccc
MB		 1655
1656 cmd = b43_read32(dev, B43_MMIO_MACCMD);
1657 beacon0_valid = (cmd & B43_MACCMD_BEACON0_VALID);
1658 beacon1_valid = (cmd & B43_MACCMD_BEACON1_VALID);
1659
1660 /* Schedule interrupt manually, if busy. */
1661 if (beacon0_valid && beacon1_valid) {
1662 b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, B43_IRQ_BEACON);
13790728 1663 dev->irq_mask |= B43_IRQ_BEACON;
c97a4ccc
MB		 1664 return;
1665 }
1666
6b4bec01
MB		 1667 if (unlikely(wl->beacon_templates_virgin)) {
1668 /* We never uploaded a beacon before.
1669 * Upload both templates now, but only mark one valid. */
1670 wl->beacon_templates_virgin = 0;
1671 b43_upload_beacon0(dev);
1672 b43_upload_beacon1(dev);
c97a4ccc
MB		 1673 cmd = b43_read32(dev, B43_MMIO_MACCMD);
1674 cmd |= B43_MACCMD_BEACON0_VALID;
1675 b43_write32(dev, B43_MMIO_MACCMD, cmd);
6b4bec01
MB		 1676 } else {
1677 if (!beacon0_valid) {
1678 b43_upload_beacon0(dev);
1679 cmd = b43_read32(dev, B43_MMIO_MACCMD);
1680 cmd |= B43_MACCMD_BEACON0_VALID;
1681 b43_write32(dev, B43_MMIO_MACCMD, cmd);
1682 } else if (!beacon1_valid) {
1683 b43_upload_beacon1(dev);
1684 cmd = b43_read32(dev, B43_MMIO_MACCMD);
1685 cmd |= B43_MACCMD_BEACON1_VALID;
1686 b43_write32(dev, B43_MMIO_MACCMD, cmd);
c97a4ccc 1687 }
c97a4ccc
MB		 1688 }
1689}
1690
36dbd954
MB		 1691static void b43_do_beacon_update_trigger_work(struct b43_wldev *dev)
1692{
1693 u32 old_irq_mask = dev->irq_mask;
1694
1695 /* update beacon right away or defer to irq */
1696 handle_irq_beacon(dev);
1697 if (old_irq_mask != dev->irq_mask) {
1698 /* The handler updated the IRQ mask. */
1699 B43_WARN_ON(!dev->irq_mask);
1700 if (b43_read32(dev, B43_MMIO_GEN_IRQ_MASK)) {
1701 b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, dev->irq_mask);
1702 } else {
1703 /* Device interrupts are currently disabled. That means
1704 * we just ran the hardirq handler and scheduled the
1705 * IRQ thread. The thread will write the IRQ mask when
1706 * it finished, so there's nothing to do here. Writing
1707 * the mask _here_ would incorrectly re-enable IRQs. */
1708 }
1709 }
1710}
1711
a82d9922
MB		 1712static void b43_beacon_update_trigger_work(struct work_struct *work)
1713{
1714 struct b43_wl *wl = container_of(work, struct b43_wl,
1715 beacon_update_trigger);
1716 struct b43_wldev *dev;
1717
1718 mutex_lock(&wl->mutex);
1719 dev = wl->current_dev;
1720 if (likely(dev && (b43_status(dev) >= B43_STAT_INITIALIZED))) {
505fb019 1721 if (b43_bus_host_is_sdio(dev->dev)) {
36dbd954
MB		 1722 /* wl->mutex is enough. */
1723 b43_do_beacon_update_trigger_work(dev);
1724 mmiowb();
1725 } else {
1726 spin_lock_irq(&wl->hardirq_lock);
1727 b43_do_beacon_update_trigger_work(dev);
1728 mmiowb();
1729 spin_unlock_irq(&wl->hardirq_lock);
1730 }
a82d9922
MB		 1731 }
1732 mutex_unlock(&wl->mutex);
1733}
1734
d4df6f1a 1735/* Asynchronously update the packet templates in template RAM.
36dbd954 1736 * Locking: Requires wl->mutex to be locked. */
9d139c81 1737static void b43_update_templates(struct b43_wl *wl)
e4d6b795 1738{
9d139c81
JB		 1739 struct sk_buff *beacon;
1740
e66fee6a
MB		 1741 /* This is the top half of the ansynchronous beacon update.
1742 * The bottom half is the beacon IRQ.
1743 * Beacon update must be asynchronous to avoid sending an
1744 * invalid beacon. This can happen for example, if the firmware
1745 * transmits a beacon while we are updating it. */
e4d6b795 1746
9d139c81
JB		 1747 /* We could modify the existing beacon and set the aid bit in
1748 * the TIM field, but that would probably require resizing and
1749 * moving of data within the beacon template.
1750 * Simply request a new beacon and let mac80211 do the hard work. */
1751 beacon = ieee80211_beacon_get(wl->hw, wl->vif);
1752 if (unlikely(!beacon))
1753 return;
1754
e66fee6a
MB		 1755 if (wl->current_beacon)
1756 dev_kfree_skb_any(wl->current_beacon);
1757 wl->current_beacon = beacon;
1758 wl->beacon0_uploaded = 0;
1759 wl->beacon1_uploaded = 0;
42935eca 1760 ieee80211_queue_work(wl->hw, &wl->beacon_update_trigger);
e4d6b795
MB		 1761}
1762
e4d6b795
MB		 1763static void b43_set_beacon_int(struct b43_wldev *dev, u16 beacon_int)
1764{
1765 b43_time_lock(dev);
21d889d4 1766 if (dev->dev->core_rev >= 3) {
a82d9922
MB		 1767 b43_write32(dev, B43_MMIO_TSF_CFP_REP, (beacon_int << 16));
1768 b43_write32(dev, B43_MMIO_TSF_CFP_START, (beacon_int << 10));
e4d6b795
MB		 1769 } else {
1770 b43_write16(dev, 0x606, (beacon_int >> 6));
1771 b43_write16(dev, 0x610, beacon_int);
1772 }
1773 b43_time_unlock(dev);
a82d9922 1774 b43dbg(dev->wl, "Set beacon interval to %u\n", beacon_int);
e4d6b795
MB		 1775}
1776
afa83e23
MB		 1777static void b43_handle_firmware_panic(struct b43_wldev *dev)
1778{
1779 u16 reason;
1780
1781 /* Read the register that contains the reason code for the panic. */
1782 reason = b43_shm_read16(dev, B43_SHM_SCRATCH, B43_FWPANIC_REASON_REG);
1783 b43err(dev->wl, "Whoopsy, firmware panic! Reason: %u\n", reason);
1784
1785 switch (reason) {
1786 default:
1787 b43dbg(dev->wl, "The panic reason is unknown.\n");
1788 /* fallthrough */
1789 case B43_FWPANIC_DIE:
1790 /* Do not restart the controller or firmware.
1791 * The device is nonfunctional from now on.
1792 * Restarting would result in this panic to trigger again,
1793 * so we avoid that recursion. */
1794 break;
1795 case B43_FWPANIC_RESTART:
1796 b43_controller_restart(dev, "Microcode panic");
1797 break;
1798 }
1799}
1800
e4d6b795
MB		 1801static void handle_irq_ucode_debug(struct b43_wldev *dev)
1802{
e48b0eeb 1803 unsigned int i, cnt;
53c06856 1804 u16 reason, marker_id, marker_line;
e48b0eeb
MB		 1805 __le16 *buf;
1806
1807 /* The proprietary firmware doesn't have this IRQ. */
1808 if (!dev->fw.opensource)
1809 return;
1810
afa83e23
MB		 1811 /* Read the register that contains the reason code for this IRQ. */
1812 reason = b43_shm_read16(dev, B43_SHM_SCRATCH, B43_DEBUGIRQ_REASON_REG);
1813
e48b0eeb
MB		 1814 switch (reason) {
1815 case B43_DEBUGIRQ_PANIC:
afa83e23 1816 b43_handle_firmware_panic(dev);
e48b0eeb
MB		 1817 break;
1818 case B43_DEBUGIRQ_DUMP_SHM:
1819 if (!B43_DEBUG)
1820 break; /* Only with driver debugging enabled. */
1821 buf = kmalloc(4096, GFP_ATOMIC);
1822 if (!buf) {
1823 b43dbg(dev->wl, "SHM-dump: Failed to allocate memory\n");
1824 goto out;
1825 }
1826 for (i = 0; i < 4096; i += 2) {
1827 u16 tmp = b43_shm_read16(dev, B43_SHM_SHARED, i);
1828 buf[i / 2] = cpu_to_le16(tmp);
1829 }
1830 b43info(dev->wl, "Shared memory dump:\n");
1831 print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET,
1832 16, 2, buf, 4096, 1);
1833 kfree(buf);
1834 break;
1835 case B43_DEBUGIRQ_DUMP_REGS:
1836 if (!B43_DEBUG)
1837 break; /* Only with driver debugging enabled. */
1838 b43info(dev->wl, "Microcode register dump:\n");
1839 for (i = 0, cnt = 0; i < 64; i++) {
1840 u16 tmp = b43_shm_read16(dev, B43_SHM_SCRATCH, i);
1841 if (cnt == 0)
1842 printk(KERN_INFO);
1843 printk("r%02u: 0x%04X ", i, tmp);
1844 cnt++;
1845 if (cnt == 6) {
1846 printk("\n");
1847 cnt = 0;
1848 }
1849 }
1850 printk("\n");
1851 break;
53c06856
MB		 1852 case B43_DEBUGIRQ_MARKER:
1853 if (!B43_DEBUG)
1854 break; /* Only with driver debugging enabled. */
1855 marker_id = b43_shm_read16(dev, B43_SHM_SCRATCH,
1856 B43_MARKER_ID_REG);
1857 marker_line = b43_shm_read16(dev, B43_SHM_SCRATCH,
1858 B43_MARKER_LINE_REG);
1859 b43info(dev->wl, "The firmware just executed the MARKER(%u) "
1860 "at line number %u\n",
1861 marker_id, marker_line);
1862 break;
e48b0eeb
MB		 1863 default:
1864 b43dbg(dev->wl, "Debug-IRQ triggered for unknown reason: %u\n",
1865 reason);
1866 }
1867out:
afa83e23
MB		 1868 /* Acknowledge the debug-IRQ, so the firmware can continue. */
1869 b43_shm_write16(dev, B43_SHM_SCRATCH,
1870 B43_DEBUGIRQ_REASON_REG, B43_DEBUGIRQ_ACK);
e4d6b795
MB		 1871}
1872
36dbd954 1873static void b43_do_interrupt_thread(struct b43_wldev *dev)
e4d6b795
MB		 1874{
1875 u32 reason;
1876 u32 dma_reason[ARRAY_SIZE(dev->dma_reason)];
1877 u32 merged_dma_reason = 0;
21954c36 1878 int i;
e4d6b795 1879
36dbd954
MB		 1880 if (unlikely(b43_status(dev) != B43_STAT_STARTED))
1881 return;
e4d6b795
MB		 1882
1883 reason = dev->irq_reason;
1884 for (i = 0; i < ARRAY_SIZE(dma_reason); i++) {
1885 dma_reason[i] = dev->dma_reason[i];
1886 merged_dma_reason |= dma_reason[i];
1887 }
1888
1889 if (unlikely(reason & B43_IRQ_MAC_TXERR))
1890 b43err(dev->wl, "MAC transmission error\n");
1891
00e0b8cb 1892 if (unlikely(reason & B43_IRQ_PHY_TXERR)) {
e4d6b795 1893 b43err(dev->wl, "PHY transmission error\n");
00e0b8cb
SB		 1894 rmb();
1895 if (unlikely(atomic_dec_and_test(&dev->phy.txerr_cnt))) {
1896 atomic_set(&dev->phy.txerr_cnt,
1897 B43_PHY_TX_BADNESS_LIMIT);
1898 b43err(dev->wl, "Too many PHY TX errors, "
1899 "restarting the controller\n");
1900 b43_controller_restart(dev, "PHY TX errors");
1901 }
1902 }
e4d6b795
MB		 1903
1904 if (unlikely(merged_dma_reason & (B43_DMAIRQ_FATALMASK |
1905 B43_DMAIRQ_NONFATALMASK))) {
1906 if (merged_dma_reason & B43_DMAIRQ_FATALMASK) {
1907 b43err(dev->wl, "Fatal DMA error: "
1908 "0x%08X, 0x%08X, 0x%08X, "
1909 "0x%08X, 0x%08X, 0x%08X\n",
1910 dma_reason[0], dma_reason[1],
1911 dma_reason[2], dma_reason[3],
1912 dma_reason[4], dma_reason[5]);
214ac9a4 1913 b43err(dev->wl, "This device does not support DMA "
bb64d95e 1914 "on your system. It will now be switched to PIO.\n");
9e3bd919
LT		 1915 /* Fall back to PIO transfers if we get fatal DMA errors! */
1916 dev->use_pio = 1;
1917 b43_controller_restart(dev, "DMA error");
e4d6b795
MB		 1918 return;
1919 }
1920 if (merged_dma_reason & B43_DMAIRQ_NONFATALMASK) {
1921 b43err(dev->wl, "DMA error: "
1922 "0x%08X, 0x%08X, 0x%08X, "
1923 "0x%08X, 0x%08X, 0x%08X\n",
1924 dma_reason[0], dma_reason[1],
1925 dma_reason[2], dma_reason[3],
1926 dma_reason[4], dma_reason[5]);
1927 }
1928 }
1929
1930 if (unlikely(reason & B43_IRQ_UCODE_DEBUG))
1931 handle_irq_ucode_debug(dev);
1932 if (reason & B43_IRQ_TBTT_INDI)
1933 handle_irq_tbtt_indication(dev);
1934 if (reason & B43_IRQ_ATIM_END)
1935 handle_irq_atim_end(dev);
1936 if (reason & B43_IRQ_BEACON)
1937 handle_irq_beacon(dev);
1938 if (reason & B43_IRQ_PMQ)
1939 handle_irq_pmq(dev);
21954c36
MB		 1940 if (reason & B43_IRQ_TXFIFO_FLUSH_OK)
1941 ;/* TODO */
1942 if (reason & B43_IRQ_NOISESAMPLE_OK)
e4d6b795
MB		 1943 handle_irq_noise(dev);
1944
1945 /* Check the DMA reason registers for received data. */
5100d5ac
MB		 1946 if (dma_reason[0] & B43_DMAIRQ_RX_DONE) {
1947 if (b43_using_pio_transfers(dev))
1948 b43_pio_rx(dev->pio.rx_queue);
1949 else
1950 b43_dma_rx(dev->dma.rx_ring);
1951 }
e4d6b795
MB		 1952 B43_WARN_ON(dma_reason[1] & B43_DMAIRQ_RX_DONE);
1953 B43_WARN_ON(dma_reason[2] & B43_DMAIRQ_RX_DONE);
b27faf8e 1954 B43_WARN_ON(dma_reason[3] & B43_DMAIRQ_RX_DONE);
e4d6b795
MB		 1955 B43_WARN_ON(dma_reason[4] & B43_DMAIRQ_RX_DONE);
1956 B43_WARN_ON(dma_reason[5] & B43_DMAIRQ_RX_DONE);
1957
21954c36 1958 if (reason & B43_IRQ_TX_OK)
e4d6b795 1959 handle_irq_transmit_status(dev);
e4d6b795 1960
36dbd954 1961 /* Re-enable interrupts on the device by restoring the current interrupt mask. */
13790728 1962 b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, dev->irq_mask);
990b86f4
MB		 1963
1964#if B43_DEBUG
1965 if (b43_debug(dev, B43_DBG_VERBOSESTATS)) {
1966 dev->irq_count++;
1967 for (i = 0; i < ARRAY_SIZE(dev->irq_bit_count); i++) {
1968 if (reason & (1 << i))
1969 dev->irq_bit_count[i]++;
1970 }
1971 }
1972#endif
e4d6b795
MB		 1973}
1974
36dbd954
MB		 1975/* Interrupt thread handler. Handles device interrupts in thread context. */
1976static irqreturn_t b43_interrupt_thread_handler(int irq, void *dev_id)
e4d6b795 1977{
36dbd954 1978 struct b43_wldev *dev = dev_id;
e4d6b795 1979
36dbd954
MB		 1980 mutex_lock(&dev->wl->mutex);
1981 b43_do_interrupt_thread(dev);
1982 mmiowb();
1983 mutex_unlock(&dev->wl->mutex);
1984
1985 return IRQ_HANDLED;
e4d6b795
MB		 1986}
1987
36dbd954 1988static irqreturn_t b43_do_interrupt(struct b43_wldev *dev)
e4d6b795 1989{
e4d6b795
MB		 1990 u32 reason;
1991
36dbd954
MB		 1992 /* This code runs under wl->hardirq_lock, but _only_ on non-SDIO busses.
1993 * On SDIO, this runs under wl->mutex. */
e4d6b795 1994
e4d6b795
MB		 1995 reason = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON);
1996 if (reason == 0xffffffff) /* shared IRQ */
36dbd954 1997 return IRQ_NONE;
13790728 1998 reason &= dev->irq_mask;
e4d6b795 1999 if (!reason)
cae56147 2000 return IRQ_NONE;
e4d6b795
MB		 2001
2002 dev->dma_reason[0] = b43_read32(dev, B43_MMIO_DMA0_REASON)
2003 & 0x0001DC00;
2004 dev->dma_reason[1] = b43_read32(dev, B43_MMIO_DMA1_REASON)
2005 & 0x0000DC00;
2006 dev->dma_reason[2] = b43_read32(dev, B43_MMIO_DMA2_REASON)
2007 & 0x0000DC00;
2008 dev->dma_reason[3] = b43_read32(dev, B43_MMIO_DMA3_REASON)
2009 & 0x0001DC00;
2010 dev->dma_reason[4] = b43_read32(dev, B43_MMIO_DMA4_REASON)
2011 & 0x0000DC00;
13790728 2012/* Unused ring
e4d6b795
MB		 2013 dev->dma_reason[5] = b43_read32(dev, B43_MMIO_DMA5_REASON)
2014 & 0x0000DC00;
13790728 2015*/
e4d6b795 2016
36dbd954
MB		 2017 /* ACK the interrupt. */
2018 b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, reason);
2019 b43_write32(dev, B43_MMIO_DMA0_REASON, dev->dma_reason[0]);
2020 b43_write32(dev, B43_MMIO_DMA1_REASON, dev->dma_reason[1]);
2021 b43_write32(dev, B43_MMIO_DMA2_REASON, dev->dma_reason[2]);
2022 b43_write32(dev, B43_MMIO_DMA3_REASON, dev->dma_reason[3]);
2023 b43_write32(dev, B43_MMIO_DMA4_REASON, dev->dma_reason[4]);
2024/* Unused ring
2025 b43_write32(dev, B43_MMIO_DMA5_REASON, dev->dma_reason[5]);
2026*/
2027
2028 /* Disable IRQs on the device. The IRQ thread handler will re-enable them. */
13790728 2029 b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, 0);
36dbd954 2030 /* Save the reason bitmasks for the IRQ thread handler. */
e4d6b795 2031 dev->irq_reason = reason;
36dbd954
MB		 2032
2033 return IRQ_WAKE_THREAD;
2034}
2035
2036/* Interrupt handler top-half. This runs with interrupts disabled. */
2037static irqreturn_t b43_interrupt_handler(int irq, void *dev_id)
2038{
2039 struct b43_wldev *dev = dev_id;
2040 irqreturn_t ret;
2041
2042 if (unlikely(b43_status(dev) < B43_STAT_STARTED))
2043 return IRQ_NONE;
2044
2045 spin_lock(&dev->wl->hardirq_lock);
2046 ret = b43_do_interrupt(dev);
e4d6b795 2047 mmiowb();
36dbd954 2048 spin_unlock(&dev->wl->hardirq_lock);
e4d6b795
MB		 2049
2050 return ret;
2051}
2052
3dbba8e2
AH		 2053/* SDIO interrupt handler. This runs in process context. */
2054static void b43_sdio_interrupt_handler(struct b43_wldev *dev)
2055{
2056 struct b43_wl *wl = dev->wl;
3dbba8e2
AH		 2057 irqreturn_t ret;
2058
3dbba8e2 2059 mutex_lock(&wl->mutex);
3dbba8e2
AH		 2060
2061 ret = b43_do_interrupt(dev);
2062 if (ret == IRQ_WAKE_THREAD)
2063 b43_do_interrupt_thread(dev);
2064
3dbba8e2
AH		 2065 mutex_unlock(&wl->mutex);
2066}
2067
1a9f5093 2068void b43_do_release_fw(struct b43_firmware_file *fw)
61cb5dd6
MB		 2069{
2070 release_firmware(fw->data);
2071 fw->data = NULL;
2072 fw->filename = NULL;
2073}
2074
e4d6b795
MB		 2075static void b43_release_firmware(struct b43_wldev *dev)
2076{
1a9f5093
MB		 2077 b43_do_release_fw(&dev->fw.ucode);
2078 b43_do_release_fw(&dev->fw.pcm);
2079 b43_do_release_fw(&dev->fw.initvals);
2080 b43_do_release_fw(&dev->fw.initvals_band);
e4d6b795
MB		 2081}
2082
eb189d8b 2083static void b43_print_fw_helptext(struct b43_wl *wl, bool error)
e4d6b795 2084{
fc68ed4f
HE		 2085 const char text[] =
2086 "You must go to " \
2087 "http://wireless.kernel.org/en/users/Drivers/b43#devicefirmware " \
2088 "and download the correct firmware for this driver version. " \
2089 "Please carefully read all instructions on this website.\n";
eb189d8b 2090
eb189d8b
MB		 2091 if (error)
2092 b43err(wl, text);
2093 else
2094 b43warn(wl, text);
e4d6b795
MB		 2095}
2096
1a9f5093
MB		 2097int b43_do_request_fw(struct b43_request_fw_context *ctx,
2098 const char *name,
2099 struct b43_firmware_file *fw)
e4d6b795 2100{
61cb5dd6 2101 const struct firmware *blob;
e4d6b795
MB		 2102 struct b43_fw_header *hdr;
2103 u32 size;
2104 int err;
2105
61cb5dd6
MB		 2106 if (!name) {
2107 /* Don't fetch anything. Free possibly cached firmware. */
1a9f5093
MB		 2108 /* FIXME: We should probably keep it anyway, to save some headache
2109 * on suspend/resume with multiband devices. */
2110 b43_do_release_fw(fw);
e4d6b795 2111 return 0;
61cb5dd6
MB		 2112 }
2113 if (fw->filename) {
1a9f5093
MB		 2114 if ((fw->type == ctx->req_type) &&
2115 (strcmp(fw->filename, name) == 0))
61cb5dd6
MB		 2116 return 0; /* Already have this fw. */
2117 /* Free the cached firmware first. */
1a9f5093
MB		 2118 /* FIXME: We should probably do this later after we successfully
2119 * got the new fw. This could reduce headache with multiband devices.
2120 * We could also redesign this to cache the firmware for all possible
2121 * bands all the time. */
2122 b43_do_release_fw(fw);
61cb5dd6 2123 }
e4d6b795 2124
1a9f5093
MB		 2125 switch (ctx->req_type) {
2126 case B43_FWTYPE_PROPRIETARY:
2127 snprintf(ctx->fwname, sizeof(ctx->fwname),
2128 "b43%s/%s.fw",
2129 modparam_fwpostfix, name);
2130 break;
2131 case B43_FWTYPE_OPENSOURCE:
2132 snprintf(ctx->fwname, sizeof(ctx->fwname),
2133 "b43-open%s/%s.fw",
2134 modparam_fwpostfix, name);
2135 break;
2136 default:
2137 B43_WARN_ON(1);
2138 return -ENOSYS;
2139 }
a18c715e 2140 err = request_firmware(&blob, ctx->fwname, ctx->dev->dev->dev);
68217832 2141 if (err == -ENOENT) {
1a9f5093
MB		 2142 snprintf(ctx->errors[ctx->req_type],
2143 sizeof(ctx->errors[ctx->req_type]),
2144 "Firmware file \"%s\" not found\n", ctx->fwname);
68217832
MB		 2145 return err;
2146 } else if (err) {
1a9f5093
MB		 2147 snprintf(ctx->errors[ctx->req_type],
2148 sizeof(ctx->errors[ctx->req_type]),
2149 "Firmware file \"%s\" request failed (err=%d)\n",
2150 ctx->fwname, err);
e4d6b795
MB		 2151 return err;
2152 }
61cb5dd6 2153 if (blob->size < sizeof(struct b43_fw_header))
e4d6b795 2154 goto err_format;
61cb5dd6 2155 hdr = (struct b43_fw_header *)(blob->data);
e4d6b795
MB		 2156 switch (hdr->type) {
2157 case B43_FW_TYPE_UCODE:
2158 case B43_FW_TYPE_PCM:
2159 size = be32_to_cpu(hdr->size);
61cb5dd6 2160 if (size != blob->size - sizeof(struct b43_fw_header))
e4d6b795
MB		 2161 goto err_format;
2162 /* fallthrough */
2163 case B43_FW_TYPE_IV:
2164 if (hdr->ver != 1)
2165 goto err_format;
2166 break;
2167 default:
2168 goto err_format;
2169 }
2170
61cb5dd6
MB		 2171 fw->data = blob;
2172 fw->filename = name;
1a9f5093 2173 fw->type = ctx->req_type;
61cb5dd6
MB		 2174
2175 return 0;
e4d6b795
MB		 2176
2177err_format:
1a9f5093
MB		 2178 snprintf(ctx->errors[ctx->req_type],
2179 sizeof(ctx->errors[ctx->req_type]),
2180 "Firmware file \"%s\" format error.\n", ctx->fwname);
61cb5dd6
MB		 2181 release_firmware(blob);
2182
e4d6b795
MB		 2183 return -EPROTO;
2184}
2185
1a9f5093 2186static int b43_try_request_fw(struct b43_request_fw_context *ctx)
e4d6b795 2187{
1a9f5093
MB		 2188 struct b43_wldev *dev = ctx->dev;
2189 struct b43_firmware *fw = &ctx->dev->fw;
21d889d4 2190 const u8 rev = ctx->dev->dev->core_rev;
e4d6b795
MB		 2191 const char *filename;
2192 u32 tmshigh;
2193 int err;
2194
8b9bda75
RM		 2195 /* Files for HT and LCN were found by trying one by one */
2196
61cb5dd6 2197 /* Get microcode */
6ff1e5cf 2198 if ((rev >= 5) && (rev <= 10)) {
61cb5dd6 2199 filename = "ucode5";
6ff1e5cf 2200 } else if ((rev >= 11) && (rev <= 12)) {
61cb5dd6 2201 filename = "ucode11";
6ff1e5cf 2202 } else if (rev == 13) {
61cb5dd6 2203 filename = "ucode13";
6ff1e5cf 2204 } else if (rev == 14) {
759b973b 2205 filename = "ucode14";
6ff1e5cf 2206 } else if (rev == 15) {
759b973b 2207 filename = "ucode15";
6ff1e5cf
RM		 2208 } else {
2209 switch (dev->phy.type) {
2210 case B43_PHYTYPE_N:
2211 if (rev >= 16)
2212 filename = "ucode16_mimo";
2213 else
2214 goto err_no_ucode;
2215 break;
8b9bda75
RM		 2216 case B43_PHYTYPE_HT:
2217 if (rev == 29)
2218 filename = "ucode29_mimo";
2219 else
2220 goto err_no_ucode;
2221 break;
2222 case B43_PHYTYPE_LCN:
2223 if (rev == 24)
2224 filename = "ucode24_mimo";
2225 else
2226 goto err_no_ucode;
2227 break;
6ff1e5cf
RM		 2228 default:
2229 goto err_no_ucode;
2230 }
2231 }
1a9f5093 2232 err = b43_do_request_fw(ctx, filename, &fw->ucode);
61cb5dd6
MB		 2233 if (err)
2234 goto err_load;
2235
2236 /* Get PCM code */
2237 if ((rev >= 5) && (rev <= 10))
2238 filename = "pcm5";
2239 else if (rev >= 11)
2240 filename = NULL;
2241 else
2242 goto err_no_pcm;
68217832 2243 fw->pcm_request_failed = 0;
1a9f5093 2244 err = b43_do_request_fw(ctx, filename, &fw->pcm);
68217832
MB		 2245 if (err == -ENOENT) {
2246 /* We did not find a PCM file? Not fatal, but
2247 * core rev <= 10 must do without hwcrypto then. */
2248 fw->pcm_request_failed = 1;
2249 } else if (err)
61cb5dd6
MB		 2250 goto err_load;
2251
2252 /* Get initvals */
2253 switch (dev->phy.type) {
2254 case B43_PHYTYPE_A:
2255 if ((rev >= 5) && (rev <= 10)) {
d48ae5c8 2256 tmshigh = ssb_read32(dev->dev->sdev, SSB_TMSHIGH);
61cb5dd6
MB		 2257 if (tmshigh & B43_TMSHIGH_HAVE_2GHZ_PHY)
2258 filename = "a0g1initvals5";
2259 else
2260 filename = "a0g0initvals5";
2261 } else
2262 goto err_no_initvals;
2263 break;
2264 case B43_PHYTYPE_G:
e4d6b795 2265 if ((rev >= 5) && (rev <= 10))
61cb5dd6 2266 filename = "b0g0initvals5";
e4d6b795 2267 else if (rev >= 13)
e9304882 2268 filename = "b0g0initvals13";
e4d6b795 2269 else
61cb5dd6
MB		 2270 goto err_no_initvals;
2271 break;
2272 case B43_PHYTYPE_N:
e41596a1
RM		 2273 if (rev >= 16)
2274 filename = "n0initvals16";
2275 else if ((rev >= 11) && (rev <= 12))
61cb5dd6
MB		 2276 filename = "n0initvals11";
2277 else
2278 goto err_no_initvals;
2279 break;
759b973b
GS		 2280 case B43_PHYTYPE_LP:
2281 if (rev == 13)
2282 filename = "lp0initvals13";
2283 else if (rev == 14)
2284 filename = "lp0initvals14";
2285 else if (rev >= 15)
2286 filename = "lp0initvals15";
2287 else
2288 goto err_no_initvals;
2289 break;
8b9bda75
RM		 2290 case B43_PHYTYPE_HT:
2291 if (rev == 29)
2292 filename = "ht0initvals29";
2293 else
2294 goto err_no_initvals;
2295 break;
2296 case B43_PHYTYPE_LCN:
2297 if (rev == 24)
2298 filename = "lcn0initvals24";
2299 else
2300 goto err_no_initvals;
2301 break;
61cb5dd6
MB		 2302 default:
2303 goto err_no_initvals;
e4d6b795 2304 }
1a9f5093 2305 err = b43_do_request_fw(ctx, filename, &fw->initvals);
61cb5dd6
MB		 2306 if (err)
2307 goto err_load;
2308
2309 /* Get bandswitch initvals */
2310 switch (dev->phy.type) {
2311 case B43_PHYTYPE_A:
2312 if ((rev >= 5) && (rev <= 10)) {
d48ae5c8 2313 tmshigh = ssb_read32(dev->dev->sdev, SSB_TMSHIGH);
61cb5dd6
MB		 2314 if (tmshigh & B43_TMSHIGH_HAVE_2GHZ_PHY)
2315 filename = "a0g1bsinitvals5";
2316 else
2317 filename = "a0g0bsinitvals5";
2318 } else if (rev >= 11)
2319 filename = NULL;
2320 else
2321 goto err_no_initvals;
2322 break;
2323 case B43_PHYTYPE_G:
e4d6b795 2324 if ((rev >= 5) && (rev <= 10))
61cb5dd6 2325 filename = "b0g0bsinitvals5";
e4d6b795
MB		 2326 else if (rev >= 11)
2327 filename = NULL;
2328 else
e4d6b795 2329 goto err_no_initvals;
61cb5dd6
MB		 2330 break;
2331 case B43_PHYTYPE_N:
e41596a1
RM		 2332 if (rev >= 16)
2333 filename = "n0bsinitvals16";
2334 else if ((rev >= 11) && (rev <= 12))
61cb5dd6
MB		 2335 filename = "n0bsinitvals11";
2336 else
e4d6b795 2337 goto err_no_initvals;
61cb5dd6 2338 break;
759b973b
GS		 2339 case B43_PHYTYPE_LP:
2340 if (rev == 13)
2341 filename = "lp0bsinitvals13";
2342 else if (rev == 14)
2343 filename = "lp0bsinitvals14";
2344 else if (rev >= 15)
2345 filename = "lp0bsinitvals15";
2346 else
2347 goto err_no_initvals;
2348 break;
8b9bda75
RM		 2349 case B43_PHYTYPE_HT:
2350 if (rev == 29)
2351 filename = "ht0bsinitvals29";
2352 else
2353 goto err_no_initvals;
2354 break;
2355 case B43_PHYTYPE_LCN:
2356 if (rev == 24)
2357 filename = "lcn0bsinitvals24";
2358 else
2359 goto err_no_initvals;
2360 break;
61cb5dd6
MB		 2361 default:
2362 goto err_no_initvals;
e4d6b795 2363 }
1a9f5093 2364 err = b43_do_request_fw(ctx, filename, &fw->initvals_band);
61cb5dd6
MB		 2365 if (err)
2366 goto err_load;
e4d6b795
MB		 2367
2368 return 0;
2369
e4d6b795 2370err_no_ucode:
1a9f5093
MB		 2371 err = ctx->fatal_failure = -EOPNOTSUPP;
2372 b43err(dev->wl, "The driver does not know which firmware (ucode) "
2373 "is required for your device (wl-core rev %u)\n", rev);
e4d6b795
MB		 2374 goto error;
2375
2376err_no_pcm:
1a9f5093
MB		 2377 err = ctx->fatal_failure = -EOPNOTSUPP;
2378 b43err(dev->wl, "The driver does not know which firmware (PCM) "
2379 "is required for your device (wl-core rev %u)\n", rev);
e4d6b795
MB		 2380 goto error;
2381
2382err_no_initvals:
1a9f5093
MB		 2383 err = ctx->fatal_failure = -EOPNOTSUPP;
2384 b43err(dev->wl, "The driver does not know which firmware (initvals) "
2385 "is required for your device (wl-core rev %u)\n", rev);
2386 goto error;
2387
2388err_load:
2389 /* We failed to load this firmware image. The error message
2390 * already is in ctx->errors. Return and let our caller decide
2391 * what to do. */
e4d6b795
MB		 2392 goto error;
2393
2394error:
2395 b43_release_firmware(dev);
2396 return err;
2397}
2398
1a9f5093
MB		 2399static int b43_request_firmware(struct b43_wldev *dev)
2400{
2401 struct b43_request_fw_context *ctx;
2402 unsigned int i;
2403 int err;
2404 const char *errmsg;
2405
2406 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
2407 if (!ctx)
2408 return -ENOMEM;
2409 ctx->dev = dev;
2410
2411 ctx->req_type = B43_FWTYPE_PROPRIETARY;
2412 err = b43_try_request_fw(ctx);
2413 if (!err)
2414 goto out; /* Successfully loaded it. */
2415 err = ctx->fatal_failure;
2416 if (err)
2417 goto out;
2418
2419 ctx->req_type = B43_FWTYPE_OPENSOURCE;
2420 err = b43_try_request_fw(ctx);
2421 if (!err)
2422 goto out; /* Successfully loaded it. */
2423 err = ctx->fatal_failure;
2424 if (err)
2425 goto out;
2426
2427 /* Could not find a usable firmware. Print the errors. */
2428 for (i = 0; i < B43_NR_FWTYPES; i++) {
2429 errmsg = ctx->errors[i];
2430 if (strlen(errmsg))
2431 b43err(dev->wl, errmsg);
2432 }
2433 b43_print_fw_helptext(dev->wl, 1);
2434 err = -ENOENT;
2435
2436out:
2437 kfree(ctx);
2438 return err;
2439}
2440
e4d6b795
MB		 2441static int b43_upload_microcode(struct b43_wldev *dev)
2442{
652caa5b 2443 struct wiphy *wiphy = dev->wl->hw->wiphy;
e4d6b795
MB		 2444 const size_t hdr_len = sizeof(struct b43_fw_header);
2445 const __be32 *data;
2446 unsigned int i, len;
2447 u16 fwrev, fwpatch, fwdate, fwtime;
1f7d87b0 2448 u32 tmp, macctl;
e4d6b795
MB		 2449 int err = 0;
2450
1f7d87b0
MB		 2451 /* Jump the microcode PSM to offset 0 */
2452 macctl = b43_read32(dev, B43_MMIO_MACCTL);
2453 B43_WARN_ON(macctl & B43_MACCTL_PSM_RUN);
2454 macctl |= B43_MACCTL_PSM_JMP0;
2455 b43_write32(dev, B43_MMIO_MACCTL, macctl);
2456 /* Zero out all microcode PSM registers and shared memory. */
2457 for (i = 0; i < 64; i++)
2458 b43_shm_write16(dev, B43_SHM_SCRATCH, i, 0);
2459 for (i = 0; i < 4096; i += 2)
2460 b43_shm_write16(dev, B43_SHM_SHARED, i, 0);
2461
e4d6b795 2462 /* Upload Microcode. */
61cb5dd6
MB		 2463 data = (__be32 *) (dev->fw.ucode.data->data + hdr_len);
2464 len = (dev->fw.ucode.data->size - hdr_len) / sizeof(__be32);
e4d6b795
MB		 2465 b43_shm_control_word(dev, B43_SHM_UCODE | B43_SHM_AUTOINC_W, 0x0000);
2466 for (i = 0; i < len; i++) {
2467 b43_write32(dev, B43_MMIO_SHM_DATA, be32_to_cpu(data[i]));
2468 udelay(10);
2469 }
2470
61cb5dd6 2471 if (dev->fw.pcm.data) {
e4d6b795 2472 /* Upload PCM data. */
61cb5dd6
MB		 2473 data = (__be32 *) (dev->fw.pcm.data->data + hdr_len);
2474 len = (dev->fw.pcm.data->size - hdr_len) / sizeof(__be32);
e4d6b795
MB		 2475 b43_shm_control_word(dev, B43_SHM_HW, 0x01EA);
2476 b43_write32(dev, B43_MMIO_SHM_DATA, 0x00004000);
2477 /* No need for autoinc bit in SHM_HW */
2478 b43_shm_control_word(dev, B43_SHM_HW, 0x01EB);
2479 for (i = 0; i < len; i++) {
2480 b43_write32(dev, B43_MMIO_SHM_DATA, be32_to_cpu(data[i]));
2481 udelay(10);
2482 }
2483 }
2484
2485 b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, B43_IRQ_ALL);
1f7d87b0
MB		 2486
2487 /* Start the microcode PSM */
2488 macctl = b43_read32(dev, B43_MMIO_MACCTL);
2489 macctl &= ~B43_MACCTL_PSM_JMP0;
2490 macctl |= B43_MACCTL_PSM_RUN;
2491 b43_write32(dev, B43_MMIO_MACCTL, macctl);
e4d6b795
MB		 2492
2493 /* Wait for the microcode to load and respond */
2494 i = 0;
2495 while (1) {
2496 tmp = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON);
2497 if (tmp == B43_IRQ_MAC_SUSPENDED)
2498 break;
2499 i++;
1f7d87b0 2500 if (i >= 20) {
e4d6b795 2501 b43err(dev->wl, "Microcode not responding\n");
eb189d8b 2502 b43_print_fw_helptext(dev->wl, 1);
e4d6b795 2503 err = -ENODEV;
1f7d87b0
MB		 2504 goto error;
2505 }
e175e996 2506 msleep(50);
e4d6b795
MB		 2507 }
2508 b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); /* dummy read */
2509
2510 /* Get and check the revisions. */
2511 fwrev = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_UCODEREV);
2512 fwpatch = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_UCODEPATCH);
2513 fwdate = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_UCODEDATE);
2514 fwtime = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_UCODETIME);
2515
2516 if (fwrev <= 0x128) {
2517 b43err(dev->wl, "YOUR FIRMWARE IS TOO OLD. Firmware from "
2518 "binary drivers older than version 4.x is unsupported. "
2519 "You must upgrade your firmware files.\n");
eb189d8b 2520 b43_print_fw_helptext(dev->wl, 1);
e4d6b795 2521 err = -EOPNOTSUPP;
1f7d87b0 2522 goto error;
e4d6b795 2523 }
e4d6b795
MB		 2524 dev->fw.rev = fwrev;
2525 dev->fw.patch = fwpatch;
5d852905
RM		 2526 if (dev->fw.rev >= 598)
2527 dev->fw.hdr_format = B43_FW_HDR_598;
2528 else if (dev->fw.rev >= 410)
efe0249b
RM		 2529 dev->fw.hdr_format = B43_FW_HDR_410;
2530 else
2531 dev->fw.hdr_format = B43_FW_HDR_351;
e48b0eeb
MB		 2532 dev->fw.opensource = (fwdate == 0xFFFF);
2533
403a3a13
MB		 2534 /* Default to use-all-queues. */
2535 dev->wl->hw->queues = dev->wl->mac80211_initially_registered_queues;
2536 dev->qos_enabled = !!modparam_qos;
2537 /* Default to firmware/hardware crypto acceleration. */
2538 dev->hwcrypto_enabled = 1;
2539
e48b0eeb 2540 if (dev->fw.opensource) {
403a3a13
MB		 2541 u16 fwcapa;
2542
e48b0eeb
MB		 2543 /* Patchlevel info is encoded in the "time" field. */
2544 dev->fw.patch = fwtime;
403a3a13
MB		 2545 b43info(dev->wl, "Loading OpenSource firmware version %u.%u\n",
2546 dev->fw.rev, dev->fw.patch);
2547
2548 fwcapa = b43_fwcapa_read(dev);
2549 if (!(fwcapa & B43_FWCAPA_HWCRYPTO) || dev->fw.pcm_request_failed) {
2550 b43info(dev->wl, "Hardware crypto acceleration not supported by firmware\n");
2551 /* Disable hardware crypto and fall back to software crypto. */
2552 dev->hwcrypto_enabled = 0;
2553 }
2554 if (!(fwcapa & B43_FWCAPA_QOS)) {
2555 b43info(dev->wl, "QoS not supported by firmware\n");
2556 /* Disable QoS. Tweak hw->queues to 1. It will be restored before
2557 * ieee80211_unregister to make sure the networking core can
2558 * properly free possible resources. */
2559 dev->wl->hw->queues = 1;
2560 dev->qos_enabled = 0;
2561 }
e48b0eeb
MB		 2562 } else {
2563 b43info(dev->wl, "Loading firmware version %u.%u "
2564 "(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n",
2565 fwrev, fwpatch,
2566 (fwdate >> 12) & 0xF, (fwdate >> 8) & 0xF, fwdate & 0xFF,
2567 (fwtime >> 11) & 0x1F, (fwtime >> 5) & 0x3F, fwtime & 0x1F);
68217832
MB		 2568 if (dev->fw.pcm_request_failed) {
2569 b43warn(dev->wl, "No \"pcm5.fw\" firmware file found. "
2570 "Hardware accelerated cryptography is disabled.\n");
2571 b43_print_fw_helptext(dev->wl, 0);
2572 }
e48b0eeb 2573 }
e4d6b795 2574
652caa5b
JL		 2575 snprintf(wiphy->fw_version, sizeof(wiphy->fw_version), "%u.%u",
2576 dev->fw.rev, dev->fw.patch);
21d889d4 2577 wiphy->hw_version = dev->dev->core_id;
652caa5b 2578
efe0249b 2579 if (dev->fw.hdr_format == B43_FW_HDR_351) {
c557289c
MB		 2580 /* We're over the deadline, but we keep support for old fw
2581 * until it turns out to be in major conflict with something new. */
eb189d8b 2582 b43warn(dev->wl, "You are using an old firmware image. "
c557289c
MB		 2583 "Support for old firmware will be removed soon "
2584 "(official deadline was July 2008).\n");
eb189d8b
MB		 2585 b43_print_fw_helptext(dev->wl, 0);
2586 }
2587
1f7d87b0
MB		 2588 return 0;
2589
2590error:
2591 macctl = b43_read32(dev, B43_MMIO_MACCTL);
2592 macctl &= ~B43_MACCTL_PSM_RUN;
2593 macctl |= B43_MACCTL_PSM_JMP0;
2594 b43_write32(dev, B43_MMIO_MACCTL, macctl);
2595
e4d6b795
MB		 2596 return err;
2597}
2598
2599static int b43_write_initvals(struct b43_wldev *dev,
2600 const struct b43_iv *ivals,
2601 size_t count,
2602 size_t array_size)
2603{
2604 const struct b43_iv *iv;
2605 u16 offset;
2606 size_t i;
2607 bool bit32;
2608
2609 BUILD_BUG_ON(sizeof(struct b43_iv) != 6);
2610 iv = ivals;
2611 for (i = 0; i < count; i++) {
2612 if (array_size < sizeof(iv->offset_size))
2613 goto err_format;
2614 array_size -= sizeof(iv->offset_size);
2615 offset = be16_to_cpu(iv->offset_size);
2616 bit32 = !!(offset & B43_IV_32BIT);
2617 offset &= B43_IV_OFFSET_MASK;
2618 if (offset >= 0x1000)
2619 goto err_format;
2620 if (bit32) {
2621 u32 value;
2622
2623 if (array_size < sizeof(iv->data.d32))
2624 goto err_format;
2625 array_size -= sizeof(iv->data.d32);
2626
533dd1b0 2627 value = get_unaligned_be32(&iv->data.d32);
e4d6b795
MB		 2628 b43_write32(dev, offset, value);
2629
2630 iv = (const struct b43_iv *)((const uint8_t *)iv +
2631 sizeof(__be16) +
2632 sizeof(__be32));
2633 } else {
2634 u16 value;
2635
2636 if (array_size < sizeof(iv->data.d16))
2637 goto err_format;
2638 array_size -= sizeof(iv->data.d16);
2639
2640 value = be16_to_cpu(iv->data.d16);
2641 b43_write16(dev, offset, value);
2642
2643 iv = (const struct b43_iv *)((const uint8_t *)iv +
2644 sizeof(__be16) +
2645 sizeof(__be16));
2646 }
2647 }
2648 if (array_size)
2649 goto err_format;
2650
2651 return 0;
2652
2653err_format:
2654 b43err(dev->wl, "Initial Values Firmware file-format error.\n");
eb189d8b 2655 b43_print_fw_helptext(dev->wl, 1);
e4d6b795
MB		 2656
2657 return -EPROTO;
2658}
2659
2660static int b43_upload_initvals(struct b43_wldev *dev)
2661{
2662 const size_t hdr_len = sizeof(struct b43_fw_header);
2663 const struct b43_fw_header *hdr;
2664 struct b43_firmware *fw = &dev->fw;
2665 const struct b43_iv *ivals;
2666 size_t count;
2667 int err;
2668
61cb5dd6
MB		 2669 hdr = (const struct b43_fw_header *)(fw->initvals.data->data);
2670 ivals = (const struct b43_iv *)(fw->initvals.data->data + hdr_len);
e4d6b795
MB		 2671 count = be32_to_cpu(hdr->size);
2672 err = b43_write_initvals(dev, ivals, count,
61cb5dd6 2673 fw->initvals.data->size - hdr_len);
e4d6b795
MB		 2674 if (err)
2675 goto out;
61cb5dd6
MB		 2676 if (fw->initvals_band.data) {
2677 hdr = (const struct b43_fw_header *)(fw->initvals_band.data->data);
2678 ivals = (const struct b43_iv *)(fw->initvals_band.data->data + hdr_len);
e4d6b795
MB		 2679 count = be32_to_cpu(hdr->size);
2680 err = b43_write_initvals(dev, ivals, count,
61cb5dd6 2681 fw->initvals_band.data->size - hdr_len);
e4d6b795
MB		 2682 if (err)
2683 goto out;
2684 }
2685out:
2686
2687 return err;
2688}
2689
2690/* Initialize the GPIOs
2691 * http://bcm-specs.sipsolutions.net/GPIO
2692 */
c4a2a081 2693static struct ssb_device *b43_ssb_gpio_dev(struct b43_wldev *dev)
e4d6b795 2694{
d48ae5c8 2695 struct ssb_bus *bus = dev->dev->sdev->bus;
c4a2a081
RM		 2696
2697#ifdef CONFIG_SSB_DRIVER_PCICORE
2698 return (bus->chipco.dev ? bus->chipco.dev : bus->pcicore.dev);
2699#else
2700 return bus->chipco.dev;
2701#endif
2702}
2703
e4d6b795
MB		 2704static int b43_gpio_init(struct b43_wldev *dev)
2705{
c4a2a081 2706 struct ssb_device *gpiodev;
e4d6b795
MB		 2707 u32 mask, set;
2708
2709 b43_write32(dev, B43_MMIO_MACCTL, b43_read32(dev, B43_MMIO_MACCTL)
2710 & ~B43_MACCTL_GPOUTSMSK);
2711
e4d6b795
MB		 2712 b43_write16(dev, B43_MMIO_GPIO_MASK, b43_read16(dev, B43_MMIO_GPIO_MASK)
2713 | 0x000F);
2714
2715 mask = 0x0000001F;
2716 set = 0x0000000F;
c244e08c 2717 if (dev->dev->chip_id == 0x4301) {
e4d6b795
MB		 2718 mask |= 0x0060;
2719 set |= 0x0060;
2720 }
2721 if (0 /* FIXME: conditional unknown */ ) {
2722 b43_write16(dev, B43_MMIO_GPIO_MASK,
2723 b43_read16(dev, B43_MMIO_GPIO_MASK)
2724 | 0x0100);
2725 mask |= 0x0180;
2726 set |= 0x0180;
2727 }
0581483a 2728 if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_PACTRL) {
e4d6b795
MB		 2729 b43_write16(dev, B43_MMIO_GPIO_MASK,
2730 b43_read16(dev, B43_MMIO_GPIO_MASK)
2731 | 0x0200);
2732 mask |= 0x0200;
2733 set |= 0x0200;
2734 }
21d889d4 2735 if (dev->dev->core_rev >= 2)
e4d6b795
MB		 2736 mask |= 0x0010; /* FIXME: This is redundant. */
2737
6cbab0d9 2738 switch (dev->dev->bus_type) {
42c9a458
RM		 2739#ifdef CONFIG_B43_BCMA
2740 case B43_BUS_BCMA:
2741 bcma_cc_write32(&dev->dev->bdev->bus->drv_cc, BCMA_CC_GPIOCTL,
2742 (bcma_cc_read32(&dev->dev->bdev->bus->drv_cc,
2743 BCMA_CC_GPIOCTL) & mask) | set);
2744 break;
2745#endif
6cbab0d9
RM		 2746#ifdef CONFIG_B43_SSB
2747 case B43_BUS_SSB:
2748 gpiodev = b43_ssb_gpio_dev(dev);
2749 if (gpiodev)
2750 ssb_write32(gpiodev, B43_GPIO_CONTROL,
2751 (ssb_read32(gpiodev, B43_GPIO_CONTROL)
2752 & mask) | set);
2753 break;
2754#endif
2755 }
e4d6b795
MB		 2756
2757 return 0;
2758}
2759
2760/* Turn off all GPIO stuff. Call this on module unload, for example. */
2761static void b43_gpio_cleanup(struct b43_wldev *dev)
2762{
c4a2a081 2763 struct ssb_device *gpiodev;
e4d6b795 2764
6cbab0d9 2765 switch (dev->dev->bus_type) {
42c9a458
RM		 2766#ifdef CONFIG_B43_BCMA
2767 case B43_BUS_BCMA:
2768 bcma_cc_write32(&dev->dev->bdev->bus->drv_cc, BCMA_CC_GPIOCTL,
2769 0);
2770 break;
2771#endif
6cbab0d9
RM		 2772#ifdef CONFIG_B43_SSB
2773 case B43_BUS_SSB:
2774 gpiodev = b43_ssb_gpio_dev(dev);
2775 if (gpiodev)
2776 ssb_write32(gpiodev, B43_GPIO_CONTROL, 0);
2777 break;
2778#endif
2779 }
e4d6b795
MB		 2780}
2781
2782/* http://bcm-specs.sipsolutions.net/EnableMac */
f5eda47f 2783void b43_mac_enable(struct b43_wldev *dev)
e4d6b795 2784{
923fd703
MB		 2785 if (b43_debug(dev, B43_DBG_FIRMWARE)) {
2786 u16 fwstate;
2787
2788 fwstate = b43_shm_read16(dev, B43_SHM_SHARED,
2789 B43_SHM_SH_UCODESTAT);
2790 if ((fwstate != B43_SHM_SH_UCODESTAT_SUSP) &&
2791 (fwstate != B43_SHM_SH_UCODESTAT_SLEEP)) {
2792 b43err(dev->wl, "b43_mac_enable(): The firmware "
2793 "should be suspended, but current state is %u\n",
2794 fwstate);
2795 }
2796 }
2797
e4d6b795
MB		 2798 dev->mac_suspended--;
2799 B43_WARN_ON(dev->mac_suspended < 0);
2800 if (dev->mac_suspended == 0) {
2801 b43_write32(dev, B43_MMIO_MACCTL,
2802 b43_read32(dev, B43_MMIO_MACCTL)
2803 | B43_MACCTL_ENABLED);
2804 b43_write32(dev, B43_MMIO_GEN_IRQ_REASON,
2805 B43_IRQ_MAC_SUSPENDED);
2806 /* Commit writes */
2807 b43_read32(dev, B43_MMIO_MACCTL);
2808 b43_read32(dev, B43_MMIO_GEN_IRQ_REASON);
2809 b43_power_saving_ctl_bits(dev, 0);
2810 }
2811}
2812
2813/* http://bcm-specs.sipsolutions.net/SuspendMAC */
f5eda47f 2814void b43_mac_suspend(struct b43_wldev *dev)
e4d6b795
MB		 2815{
2816 int i;
2817 u32 tmp;
2818
05b64b36 2819 might_sleep();
e4d6b795 2820 B43_WARN_ON(dev->mac_suspended < 0);
05b64b36 2821
e4d6b795
MB		 2822 if (dev->mac_suspended == 0) {
2823 b43_power_saving_ctl_bits(dev, B43_PS_AWAKE);
2824 b43_write32(dev, B43_MMIO_MACCTL,
2825 b43_read32(dev, B43_MMIO_MACCTL)
2826 & ~B43_MACCTL_ENABLED);
2827 /* force pci to flush the write */
2828 b43_read32(dev, B43_MMIO_MACCTL);
ba380013
MB		 2829 for (i = 35; i; i--) {
2830 tmp = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON);
2831 if (tmp & B43_IRQ_MAC_SUSPENDED)
2832 goto out;
2833 udelay(10);
2834 }
2835 /* Hm, it seems this will take some time. Use msleep(). */
05b64b36 2836 for (i = 40; i; i--) {
e4d6b795
MB		 2837 tmp = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON);
2838 if (tmp & B43_IRQ_MAC_SUSPENDED)
2839 goto out;
05b64b36 2840 msleep(1);
e4d6b795
MB		 2841 }
2842 b43err(dev->wl, "MAC suspend failed\n");
2843 }
05b64b36 2844out:
e4d6b795
MB		 2845 dev->mac_suspended++;
2846}
2847
858a1652
RM		 2848/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/MacPhyClkSet */
2849void b43_mac_phy_clock_set(struct b43_wldev *dev, bool on)
2850{
6cbab0d9
RM		 2851 u32 tmp;
2852
2853 switch (dev->dev->bus_type) {
42c9a458
RM		 2854#ifdef CONFIG_B43_BCMA
2855 case B43_BUS_BCMA:
36677874 2856 tmp = bcma_aread32(dev->dev->bdev, BCMA_IOCTL);
42c9a458
RM		 2857 if (on)
2858 tmp |= B43_BCMA_IOCTL_MACPHYCLKEN;
2859 else
2860 tmp &= ~B43_BCMA_IOCTL_MACPHYCLKEN;
36677874 2861 bcma_awrite32(dev->dev->bdev, BCMA_IOCTL, tmp);
42c9a458
RM		 2862 break;
2863#endif
6cbab0d9
RM		 2864#ifdef CONFIG_B43_SSB
2865 case B43_BUS_SSB:
2866 tmp = ssb_read32(dev->dev->sdev, SSB_TMSLOW);
2867 if (on)
2868 tmp |= B43_TMSLOW_MACPHYCLKEN;
2869 else
2870 tmp &= ~B43_TMSLOW_MACPHYCLKEN;
2871 ssb_write32(dev->dev->sdev, SSB_TMSLOW, tmp);
2872 break;
2873#endif
2874 }
858a1652
RM		 2875}
2876
e4d6b795
MB		 2877static void b43_adjust_opmode(struct b43_wldev *dev)
2878{
2879 struct b43_wl *wl = dev->wl;
2880 u32 ctl;
2881 u16 cfp_pretbtt;
2882
2883 ctl = b43_read32(dev, B43_MMIO_MACCTL);
2884 /* Reset status to STA infrastructure mode. */
2885 ctl &= ~B43_MACCTL_AP;
2886 ctl &= ~B43_MACCTL_KEEP_CTL;
2887 ctl &= ~B43_MACCTL_KEEP_BADPLCP;
2888 ctl &= ~B43_MACCTL_KEEP_BAD;
2889 ctl &= ~B43_MACCTL_PROMISC;
4150c572 2890 ctl &= ~B43_MACCTL_BEACPROMISC;
e4d6b795
MB		 2891 ctl |= B43_MACCTL_INFRA;
2892
05c914fe
JB		 2893 if (b43_is_mode(wl, NL80211_IFTYPE_AP) ||
2894 b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT))
4150c572 2895 ctl |= B43_MACCTL_AP;
05c914fe 2896 else if (b43_is_mode(wl, NL80211_IFTYPE_ADHOC))
4150c572
JB		 2897 ctl &= ~B43_MACCTL_INFRA;
2898
2899 if (wl->filter_flags & FIF_CONTROL)
e4d6b795 2900 ctl |= B43_MACCTL_KEEP_CTL;
4150c572
JB		 2901 if (wl->filter_flags & FIF_FCSFAIL)
2902 ctl |= B43_MACCTL_KEEP_BAD;
2903 if (wl->filter_flags & FIF_PLCPFAIL)
2904 ctl |= B43_MACCTL_KEEP_BADPLCP;
2905 if (wl->filter_flags & FIF_PROMISC_IN_BSS)
e4d6b795 2906 ctl |= B43_MACCTL_PROMISC;
4150c572
JB		 2907 if (wl->filter_flags & FIF_BCN_PRBRESP_PROMISC)
2908 ctl |= B43_MACCTL_BEACPROMISC;
2909
e4d6b795
MB		 2910 /* Workaround: On old hardware the HW-MAC-address-filter
2911 * doesn't work properly, so always run promisc in filter
2912 * it in software. */
21d889d4 2913 if (dev->dev->core_rev <= 4)
e4d6b795
MB		 2914 ctl |= B43_MACCTL_PROMISC;
2915
2916 b43_write32(dev, B43_MMIO_MACCTL, ctl);
2917
2918 cfp_pretbtt = 2;
2919 if ((ctl & B43_MACCTL_INFRA) && !(ctl & B43_MACCTL_AP)) {
c244e08c
RM		 2920 if (dev->dev->chip_id == 0x4306 &&
2921 dev->dev->chip_rev == 3)
e4d6b795
MB		 2922 cfp_pretbtt = 100;
2923 else
2924 cfp_pretbtt = 50;
2925 }
2926 b43_write16(dev, 0x612, cfp_pretbtt);
09ebe2f9
MB		 2927
2928 /* FIXME: We don't currently implement the PMQ mechanism,
2929 * so always disable it. If we want to implement PMQ,
2930 * we need to enable it here (clear DISCPMQ) in AP mode.
2931 */
2932 if (0 /* ctl & B43_MACCTL_AP */) {
2933 b43_write32(dev, B43_MMIO_MACCTL,
2934 b43_read32(dev, B43_MMIO_MACCTL)
2935 & ~B43_MACCTL_DISCPMQ);
2936 } else {
2937 b43_write32(dev, B43_MMIO_MACCTL,
2938 b43_read32(dev, B43_MMIO_MACCTL)
2939 | B43_MACCTL_DISCPMQ);
2940 }
e4d6b795
MB		 2941}
2942
2943static void b43_rate_memory_write(struct b43_wldev *dev, u16 rate, int is_ofdm)
2944{
2945 u16 offset;
2946
2947 if (is_ofdm) {
2948 offset = 0x480;
2949 offset += (b43_plcp_get_ratecode_ofdm(rate) & 0x000F) * 2;
2950 } else {
2951 offset = 0x4C0;
2952 offset += (b43_plcp_get_ratecode_cck(rate) & 0x000F) * 2;
2953 }
2954 b43_shm_write16(dev, B43_SHM_SHARED, offset + 0x20,
2955 b43_shm_read16(dev, B43_SHM_SHARED, offset));
2956}
2957
2958static void b43_rate_memory_init(struct b43_wldev *dev)
2959{
2960 switch (dev->phy.type) {
2961 case B43_PHYTYPE_A:
2962 case B43_PHYTYPE_G:
53a6e234 2963 case B43_PHYTYPE_N:
9d86a2d5 2964 case B43_PHYTYPE_LP:
6a461c23 2965 case B43_PHYTYPE_HT:
0b4ff45d 2966 case B43_PHYTYPE_LCN:
e4d6b795
MB		 2967 b43_rate_memory_write(dev, B43_OFDM_RATE_6MB, 1);
2968 b43_rate_memory_write(dev, B43_OFDM_RATE_12MB, 1);
2969 b43_rate_memory_write(dev, B43_OFDM_RATE_18MB, 1);
2970 b43_rate_memory_write(dev, B43_OFDM_RATE_24MB, 1);
2971 b43_rate_memory_write(dev, B43_OFDM_RATE_36MB, 1);
2972 b43_rate_memory_write(dev, B43_OFDM_RATE_48MB, 1);
2973 b43_rate_memory_write(dev, B43_OFDM_RATE_54MB, 1);
2974 if (dev->phy.type == B43_PHYTYPE_A)
2975 break;
2976 /* fallthrough */
2977 case B43_PHYTYPE_B:
2978 b43_rate_memory_write(dev, B43_CCK_RATE_1MB, 0);
2979 b43_rate_memory_write(dev, B43_CCK_RATE_2MB, 0);
2980 b43_rate_memory_write(dev, B43_CCK_RATE_5MB, 0);
2981 b43_rate_memory_write(dev, B43_CCK_RATE_11MB, 0);
2982 break;
2983 default:
2984 B43_WARN_ON(1);
2985 }
2986}
2987
5042c507
MB		 2988/* Set the default values for the PHY TX Control Words. */
2989static void b43_set_phytxctl_defaults(struct b43_wldev *dev)
2990{
2991 u16 ctl = 0;
2992
2993 ctl |= B43_TXH_PHY_ENC_CCK;
2994 ctl |= B43_TXH_PHY_ANT01AUTO;
2995 ctl |= B43_TXH_PHY_TXPWR;
2996
2997 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL, ctl);
2998 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_ACKCTSPHYCTL, ctl);
2999 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRPHYCTL, ctl);
3000}
3001
e4d6b795
MB		 3002/* Set the TX-Antenna for management frames sent by firmware. */
3003static void b43_mgmtframe_txantenna(struct b43_wldev *dev, int antenna)
3004{
5042c507 3005 u16 ant;
e4d6b795
MB		 3006 u16 tmp;
3007
5042c507 3008 ant = b43_antenna_to_phyctl(antenna);
e4d6b795 3009
e4d6b795
MB		 3010 /* For ACK/CTS */
3011 tmp = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_ACKCTSPHYCTL);
eb189d8b 3012 tmp = (tmp & ~B43_TXH_PHY_ANT) | ant;
e4d6b795
MB		 3013 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_ACKCTSPHYCTL, tmp);
3014 /* For Probe Resposes */
3015 tmp = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_PRPHYCTL);
eb189d8b 3016 tmp = (tmp & ~B43_TXH_PHY_ANT) | ant;
e4d6b795
MB		 3017 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRPHYCTL, tmp);
3018}
3019
3020/* This is the opposite of b43_chip_init() */
3021static void b43_chip_exit(struct b43_wldev *dev)
3022{
fb11137a 3023 b43_phy_exit(dev);
e4d6b795
MB		 3024 b43_gpio_cleanup(dev);
3025 /* firmware is released later */
3026}
3027
3028/* Initialize the chip
3029 * http://bcm-specs.sipsolutions.net/ChipInit
3030 */
3031static int b43_chip_init(struct b43_wldev *dev)
3032{
3033 struct b43_phy *phy = &dev->phy;
ef1a628d 3034 int err;
858a1652 3035 u32 macctl;
e4d6b795
MB		 3036 u16 value16;
3037
1f7d87b0
MB		 3038 /* Initialize the MAC control */
3039 macctl = B43_MACCTL_IHR_ENABLED | B43_MACCTL_SHM_ENABLED;
3040 if (dev->phy.gmode)
3041 macctl |= B43_MACCTL_GMODE;
3042 macctl |= B43_MACCTL_INFRA;
3043 b43_write32(dev, B43_MMIO_MACCTL, macctl);
e4d6b795
MB		 3044
3045 err = b43_request_firmware(dev);
3046 if (err)
3047 goto out;
3048 err = b43_upload_microcode(dev);
3049 if (err)
3050 goto out; /* firmware is released later */
3051
3052 err = b43_gpio_init(dev);
3053 if (err)
3054 goto out; /* firmware is released later */
21954c36 3055
e4d6b795
MB		 3056 err = b43_upload_initvals(dev);
3057 if (err)
1a8d1227 3058 goto err_gpio_clean;
e4d6b795 3059
0b7dcd96
MB		 3060 /* Turn the Analog on and initialize the PHY. */
3061 phy->ops->switch_analog(dev, 1);
e4d6b795
MB		 3062 err = b43_phy_init(dev);
3063 if (err)
ef1a628d 3064 goto err_gpio_clean;
e4d6b795 3065
ef1a628d
MB		 3066 /* Disable Interference Mitigation. */
3067 if (phy->ops->interf_mitigation)
3068 phy->ops->interf_mitigation(dev, B43_INTERFMODE_NONE);
e4d6b795 3069
ef1a628d
MB		 3070 /* Select the antennae */
3071 if (phy->ops->set_rx_antenna)
3072 phy->ops->set_rx_antenna(dev, B43_ANTENNA_DEFAULT);
e4d6b795
MB		 3073 b43_mgmtframe_txantenna(dev, B43_ANTENNA_DEFAULT);
3074
3075 if (phy->type == B43_PHYTYPE_B) {
3076 value16 = b43_read16(dev, 0x005E);
3077 value16 |= 0x0004;
3078 b43_write16(dev, 0x005E, value16);
3079 }
3080 b43_write32(dev, 0x0100, 0x01000000);
21d889d4 3081 if (dev->dev->core_rev < 5)
e4d6b795
MB		 3082 b43_write32(dev, 0x010C, 0x01000000);
3083
3084 b43_write32(dev, B43_MMIO_MACCTL, b43_read32(dev, B43_MMIO_MACCTL)
3085 & ~B43_MACCTL_INFRA);
3086 b43_write32(dev, B43_MMIO_MACCTL, b43_read32(dev, B43_MMIO_MACCTL)
3087 | B43_MACCTL_INFRA);
e4d6b795 3088
e4d6b795
MB		 3089 /* Probe Response Timeout value */
3090 /* FIXME: Default to 0, has to be set by ioctl probably... :-/ */
3091 b43_shm_write16(dev, B43_SHM_SHARED, 0x0074, 0x0000);
3092
3093 /* Initially set the wireless operation mode. */
3094 b43_adjust_opmode(dev);
3095
21d889d4 3096 if (dev->dev->core_rev < 3) {
e4d6b795
MB		 3097 b43_write16(dev, 0x060E, 0x0000);
3098 b43_write16(dev, 0x0610, 0x8000);
3099 b43_write16(dev, 0x0604, 0x0000);
3100 b43_write16(dev, 0x0606, 0x0200);
3101 } else {
3102 b43_write32(dev, 0x0188, 0x80000000);
3103 b43_write32(dev, 0x018C, 0x02000000);
3104 }
3105 b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, 0x00004000);
3106 b43_write32(dev, B43_MMIO_DMA0_IRQ_MASK, 0x0001DC00);
3107 b43_write32(dev, B43_MMIO_DMA1_IRQ_MASK, 0x0000DC00);
3108 b43_write32(dev, B43_MMIO_DMA2_IRQ_MASK, 0x0000DC00);
3109 b43_write32(dev, B43_MMIO_DMA3_IRQ_MASK, 0x0001DC00);
3110 b43_write32(dev, B43_MMIO_DMA4_IRQ_MASK, 0x0000DC00);
3111 b43_write32(dev, B43_MMIO_DMA5_IRQ_MASK, 0x0000DC00);
3112
858a1652 3113 b43_mac_phy_clock_set(dev, true);
e4d6b795 3114
6cbab0d9 3115 switch (dev->dev->bus_type) {
42c9a458
RM		 3116#ifdef CONFIG_B43_BCMA
3117 case B43_BUS_BCMA:
3118 /* FIXME: 0xE74 is quite common, but should be read from CC */
3119 b43_write16(dev, B43_MMIO_POWERUP_DELAY, 0xE74);
3120 break;
3121#endif
6cbab0d9
RM		 3122#ifdef CONFIG_B43_SSB
3123 case B43_BUS_SSB:
3124 b43_write16(dev, B43_MMIO_POWERUP_DELAY,
3125 dev->dev->sdev->bus->chipco.fast_pwrup_delay);
3126 break;
3127#endif
3128 }
e4d6b795
MB		 3129
3130 err = 0;
3131 b43dbg(dev->wl, "Chip initialized\n");
21954c36 3132out:
e4d6b795
MB		 3133 return err;
3134
1a8d1227 3135err_gpio_clean:
e4d6b795 3136 b43_gpio_cleanup(dev);
21954c36 3137 return err;
e4d6b795
MB		 3138}
3139
e4d6b795
MB		 3140static void b43_periodic_every60sec(struct b43_wldev *dev)
3141{
ef1a628d 3142 const struct b43_phy_operations *ops = dev->phy.ops;
e4d6b795 3143
ef1a628d
MB		 3144 if (ops->pwork_60sec)
3145 ops->pwork_60sec(dev);
18c8adeb
MB		 3146
3147 /* Force check the TX power emission now. */
3148 b43_phy_txpower_check(dev, B43_TXPWR_IGNORE_TIME);
e4d6b795
MB		 3149}
3150
3151static void b43_periodic_every30sec(struct b43_wldev *dev)
3152{
3153 /* Update device statistics. */
3154 b43_calculate_link_quality(dev);
3155}
3156
3157static void b43_periodic_every15sec(struct b43_wldev *dev)
3158{
3159 struct b43_phy *phy = &dev->phy;
9b839a74
MB		 3160 u16 wdr;
3161
3162 if (dev->fw.opensource) {
3163 /* Check if the firmware is still alive.
3164 * It will reset the watchdog counter to 0 in its idle loop. */
3165 wdr = b43_shm_read16(dev, B43_SHM_SCRATCH, B43_WATCHDOG_REG);
3166 if (unlikely(wdr)) {
3167 b43err(dev->wl, "Firmware watchdog: The firmware died!\n");
3168 b43_controller_restart(dev, "Firmware watchdog");
3169 return;
3170 } else {
3171 b43_shm_write16(dev, B43_SHM_SCRATCH,
3172 B43_WATCHDOG_REG, 1);
3173 }
3174 }
e4d6b795 3175
ef1a628d
MB		 3176 if (phy->ops->pwork_15sec)
3177 phy->ops->pwork_15sec(dev);
3178
00e0b8cb
SB		 3179 atomic_set(&phy->txerr_cnt, B43_PHY_TX_BADNESS_LIMIT);
3180 wmb();
990b86f4
MB		 3181
3182#if B43_DEBUG
3183 if (b43_debug(dev, B43_DBG_VERBOSESTATS)) {
3184 unsigned int i;
3185
3186 b43dbg(dev->wl, "Stats: %7u IRQs/sec, %7u TX/sec, %7u RX/sec\n",
3187 dev->irq_count / 15,
3188 dev->tx_count / 15,
3189 dev->rx_count / 15);
3190 dev->irq_count = 0;
3191 dev->tx_count = 0;
3192 dev->rx_count = 0;
3193 for (i = 0; i < ARRAY_SIZE(dev->irq_bit_count); i++) {
3194 if (dev->irq_bit_count[i]) {
3195 b43dbg(dev->wl, "Stats: %7u IRQ-%02u/sec (0x%08X)\n",
3196 dev->irq_bit_count[i] / 15, i, (1 << i));
3197 dev->irq_bit_count[i] = 0;
3198 }
3199 }
3200 }
3201#endif
e4d6b795
MB		 3202}
3203
e4d6b795
MB		 3204static void do_periodic_work(struct b43_wldev *dev)
3205{
3206 unsigned int state;
3207
3208 state = dev->periodic_state;
42bb4cd5 3209 if (state % 4 == 0)
e4d6b795 3210 b43_periodic_every60sec(dev);
42bb4cd5 3211 if (state % 2 == 0)
e4d6b795 3212 b43_periodic_every30sec(dev);
42bb4cd5 3213 b43_periodic_every15sec(dev);
e4d6b795
MB		 3214}
3215
05b64b36
MB		 3216/* Periodic work locking policy:
3217 * The whole periodic work handler is protected by
3218 * wl->mutex. If another lock is needed somewhere in the
21ae2956 3219 * pwork callchain, it's acquired in-place, where it's needed.
e4d6b795 3220 */
e4d6b795
MB		 3221static void b43_periodic_work_handler(struct work_struct *work)
3222{
05b64b36
MB		 3223 struct b43_wldev *dev = container_of(work, struct b43_wldev,
3224 periodic_work.work);
3225 struct b43_wl *wl = dev->wl;
3226 unsigned long delay;
e4d6b795 3227
05b64b36 3228 mutex_lock(&wl->mutex);
e4d6b795
MB		 3229
3230 if (unlikely(b43_status(dev) != B43_STAT_STARTED))
3231 goto out;
3232 if (b43_debug(dev, B43_DBG_PWORK_STOP))
3233 goto out_requeue;
3234
05b64b36 3235 do_periodic_work(dev);
e4d6b795 3236
e4d6b795 3237 dev->periodic_state++;
42bb4cd5 3238out_requeue:
e4d6b795
MB		 3239 if (b43_debug(dev, B43_DBG_PWORK_FAST))
3240 delay = msecs_to_jiffies(50);
3241 else
82cd682d 3242 delay = round_jiffies_relative(HZ * 15);
42935eca 3243 ieee80211_queue_delayed_work(wl->hw, &dev->periodic_work, delay);
42bb4cd5 3244out:
05b64b36 3245 mutex_unlock(&wl->mutex);
e4d6b795
MB		 3246}
3247
3248static void b43_periodic_tasks_setup(struct b43_wldev *dev)
3249{
3250 struct delayed_work *work = &dev->periodic_work;
3251
3252 dev->periodic_state = 0;
3253 INIT_DELAYED_WORK(work, b43_periodic_work_handler);
42935eca 3254 ieee80211_queue_delayed_work(dev->wl->hw, work, 0);
e4d6b795
MB		 3255}
3256
f3dd3fcc 3257/* Check if communication with the device works correctly. */
e4d6b795
MB		 3258static int b43_validate_chipaccess(struct b43_wldev *dev)
3259{
f62ae6cd 3260 u32 v, backup0, backup4;
e4d6b795 3261
f62ae6cd
MB		 3262 backup0 = b43_shm_read32(dev, B43_SHM_SHARED, 0);
3263 backup4 = b43_shm_read32(dev, B43_SHM_SHARED, 4);
f3dd3fcc
MB		 3264
3265 /* Check for read/write and endianness problems. */
e4d6b795
MB		 3266 b43_shm_write32(dev, B43_SHM_SHARED, 0, 0x55AAAA55);
3267 if (b43_shm_read32(dev, B43_SHM_SHARED, 0) != 0x55AAAA55)
3268 goto error;
f3dd3fcc
MB		 3269 b43_shm_write32(dev, B43_SHM_SHARED, 0, 0xAA5555AA);
3270 if (b43_shm_read32(dev, B43_SHM_SHARED, 0) != 0xAA5555AA)
e4d6b795
MB		 3271 goto error;
3272
f62ae6cd
MB		 3273 /* Check if unaligned 32bit SHM_SHARED access works properly.
3274 * However, don't bail out on failure, because it's noncritical. */
3275 b43_shm_write16(dev, B43_SHM_SHARED, 0, 0x1122);
3276 b43_shm_write16(dev, B43_SHM_SHARED, 2, 0x3344);
3277 b43_shm_write16(dev, B43_SHM_SHARED, 4, 0x5566);
3278 b43_shm_write16(dev, B43_SHM_SHARED, 6, 0x7788);
3279 if (b43_shm_read32(dev, B43_SHM_SHARED, 2) != 0x55663344)
3280 b43warn(dev->wl, "Unaligned 32bit SHM read access is broken\n");
3281 b43_shm_write32(dev, B43_SHM_SHARED, 2, 0xAABBCCDD);
3282 if (b43_shm_read16(dev, B43_SHM_SHARED, 0) != 0x1122 ||
3283 b43_shm_read16(dev, B43_SHM_SHARED, 2) != 0xCCDD ||
3284 b43_shm_read16(dev, B43_SHM_SHARED, 4) != 0xAABB ||
3285 b43_shm_read16(dev, B43_SHM_SHARED, 6) != 0x7788)
3286 b43warn(dev->wl, "Unaligned 32bit SHM write access is broken\n");
3287
3288 b43_shm_write32(dev, B43_SHM_SHARED, 0, backup0);
3289 b43_shm_write32(dev, B43_SHM_SHARED, 4, backup4);
f3dd3fcc 3290
21d889d4 3291 if ((dev->dev->core_rev >= 3) && (dev->dev->core_rev <= 10)) {
f3dd3fcc
MB		 3292 /* The 32bit register shadows the two 16bit registers
3293 * with update sideeffects. Validate this. */
3294 b43_write16(dev, B43_MMIO_TSF_CFP_START, 0xAAAA);
3295 b43_write32(dev, B43_MMIO_TSF_CFP_START, 0xCCCCBBBB);
3296 if (b43_read16(dev, B43_MMIO_TSF_CFP_START_LOW) != 0xBBBB)
3297 goto error;
3298 if (b43_read16(dev, B43_MMIO_TSF_CFP_START_HIGH) != 0xCCCC)
3299 goto error;
3300 }
3301 b43_write32(dev, B43_MMIO_TSF_CFP_START, 0);
3302
3303 v = b43_read32(dev, B43_MMIO_MACCTL);
3304 v |= B43_MACCTL_GMODE;
3305 if (v != (B43_MACCTL_GMODE | B43_MACCTL_IHR_ENABLED))
e4d6b795
MB		 3306 goto error;
3307
3308 return 0;
f3dd3fcc 3309error:
e4d6b795
MB		 3310 b43err(dev->wl, "Failed to validate the chipaccess\n");
3311 return -ENODEV;
3312}
3313
3314static void b43_security_init(struct b43_wldev *dev)
3315{
e4d6b795
MB		 3316 dev->ktp = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_KTP);
3317 /* KTP is a word address, but we address SHM bytewise.
3318 * So multiply by two.
3319 */
3320 dev->ktp *= 2;
66d2d089
MB		 3321 /* Number of RCMTA address slots */
3322 b43_write16(dev, B43_MMIO_RCMTA_COUNT, B43_NR_PAIRWISE_KEYS);
3323 /* Clear the key memory. */
e4d6b795
MB		 3324 b43_clear_keys(dev);
3325}
3326
616de35d 3327#ifdef CONFIG_B43_HWRNG
99da185a 3328static int b43_rng_read(struct hwrng *rng, u32 *data)
e4d6b795
MB		 3329{
3330 struct b43_wl *wl = (struct b43_wl *)rng->priv;
a78b3bb2
MB		 3331 struct b43_wldev *dev;
3332 int count = -ENODEV;
e4d6b795 3333
a78b3bb2
MB		 3334 mutex_lock(&wl->mutex);
3335 dev = wl->current_dev;
3336 if (likely(dev && b43_status(dev) >= B43_STAT_INITIALIZED)) {
3337 *data = b43_read16(dev, B43_MMIO_RNG);
3338 count = sizeof(u16);
3339 }
3340 mutex_unlock(&wl->mutex);
e4d6b795 3341
a78b3bb2 3342 return count;
e4d6b795 3343}
616de35d 3344#endif /* CONFIG_B43_HWRNG */
e4d6b795 3345
b844eba2 3346static void b43_rng_exit(struct b43_wl *wl)
e4d6b795 3347{
616de35d 3348#ifdef CONFIG_B43_HWRNG
e4d6b795 3349 if (wl->rng_initialized)
b844eba2 3350 hwrng_unregister(&wl->rng);
616de35d 3351#endif /* CONFIG_B43_HWRNG */
e4d6b795
MB		 3352}
3353
3354static int b43_rng_init(struct b43_wl *wl)
3355{
616de35d 3356 int err = 0;
e4d6b795 3357
616de35d 3358#ifdef CONFIG_B43_HWRNG
e4d6b795
MB		 3359 snprintf(wl->rng_name, ARRAY_SIZE(wl->rng_name),
3360 "%s_%s", KBUILD_MODNAME, wiphy_name(wl->hw->wiphy));
3361 wl->rng.name = wl->rng_name;
3362 wl->rng.data_read = b43_rng_read;
3363 wl->rng.priv = (unsigned long)wl;
3364 wl->rng_initialized = 1;
3365 err = hwrng_register(&wl->rng);
3366 if (err) {
3367 wl->rng_initialized = 0;
3368 b43err(wl, "Failed to register the random "
3369 "number generator (%d)\n", err);
3370 }
616de35d 3371#endif /* CONFIG_B43_HWRNG */
e4d6b795
MB		 3372
3373 return err;
3374}
3375
f5d40eed 3376static void b43_tx_work(struct work_struct *work)
e4d6b795 3377{
f5d40eed
MB		 3378 struct b43_wl *wl = container_of(work, struct b43_wl, tx_work);
3379 struct b43_wldev *dev;
3380 struct sk_buff *skb;
3381 int err = 0;
e4d6b795 3382
f5d40eed
MB		 3383 mutex_lock(&wl->mutex);
3384 dev = wl->current_dev;
3385 if (unlikely(!dev || b43_status(dev) < B43_STAT_STARTED)) {
3386 mutex_unlock(&wl->mutex);
3387 return;
5100d5ac 3388 }
21a75d77 3389
f5d40eed
MB		 3390 while (skb_queue_len(&wl->tx_queue)) {
3391 skb = skb_dequeue(&wl->tx_queue);
21a75d77 3392
21a75d77 3393 if (b43_using_pio_transfers(dev))
e039fa4a 3394 err = b43_pio_tx(dev, skb);
21a75d77 3395 else
e039fa4a 3396 err = b43_dma_tx(dev, skb);
f5d40eed
MB		 3397 if (unlikely(err))
3398 dev_kfree_skb(skb); /* Drop it */
21a75d77
MB		 3399 }
3400
990b86f4
MB		 3401#if B43_DEBUG
3402 dev->tx_count++;
3403#endif
f5d40eed
MB		 3404 mutex_unlock(&wl->mutex);
3405}
21a75d77 3406
7bb45683 3407static void b43_op_tx(struct ieee80211_hw *hw,
f5d40eed
MB		 3408 struct sk_buff *skb)
3409{
3410 struct b43_wl *wl = hw_to_b43_wl(hw);
3411
3412 if (unlikely(skb->len < 2 + 2 + 6)) {
3413 /* Too short, this can't be a valid frame. */
3414 dev_kfree_skb_any(skb);
7bb45683 3415 return;
f5d40eed
MB		 3416 }
3417 B43_WARN_ON(skb_shinfo(skb)->nr_frags);
3418
3419 skb_queue_tail(&wl->tx_queue, skb);
3420 ieee80211_queue_work(wl->hw, &wl->tx_work);
e4d6b795
MB		 3421}
3422
e6f5b934
MB		 3423static void b43_qos_params_upload(struct b43_wldev *dev,
3424 const struct ieee80211_tx_queue_params *p,
3425 u16 shm_offset)
3426{
3427 u16 params[B43_NR_QOSPARAMS];
0b57664c 3428 int bslots, tmp;
e6f5b934
MB		 3429 unsigned int i;
3430
b0544eb6
MB		 3431 if (!dev->qos_enabled)
3432 return;
3433
0b57664c 3434 bslots = b43_read16(dev, B43_MMIO_RNG) & p->cw_min;
e6f5b934
MB		 3435
3436 memset(&params, 0, sizeof(params));
3437
3438 params[B43_QOSPARAM_TXOP] = p->txop * 32;
0b57664c
JB		 3439 params[B43_QOSPARAM_CWMIN] = p->cw_min;
3440 params[B43_QOSPARAM_CWMAX] = p->cw_max;
3441 params[B43_QOSPARAM_CWCUR] = p->cw_min;
3442 params[B43_QOSPARAM_AIFS] = p->aifs;
e6f5b934 3443 params[B43_QOSPARAM_BSLOTS] = bslots;
0b57664c 3444 params[B43_QOSPARAM_REGGAP] = bslots + p->aifs;
e6f5b934
MB		 3445
3446 for (i = 0; i < ARRAY_SIZE(params); i++) {
3447 if (i == B43_QOSPARAM_STATUS) {
3448 tmp = b43_shm_read16(dev, B43_SHM_SHARED,
3449 shm_offset + (i * 2));
3450 /* Mark the parameters as updated. */
3451 tmp |= 0x100;
3452 b43_shm_write16(dev, B43_SHM_SHARED,
3453 shm_offset + (i * 2),
3454 tmp);
3455 } else {
3456 b43_shm_write16(dev, B43_SHM_SHARED,
3457 shm_offset + (i * 2),
3458 params[i]);
3459 }
3460 }
3461}
3462
c40c1129
MB		 3463/* Mapping of mac80211 queue numbers to b43 QoS SHM offsets. */
3464static const u16 b43_qos_shm_offsets[] = {
3465 /* [mac80211-queue-nr] = SHM_OFFSET, */
3466 [0] = B43_QOS_VOICE,
3467 [1] = B43_QOS_VIDEO,
3468 [2] = B43_QOS_BESTEFFORT,
3469 [3] = B43_QOS_BACKGROUND,
3470};
3471
5a5f3b40
MB		 3472/* Update all QOS parameters in hardware. */
3473static void b43_qos_upload_all(struct b43_wldev *dev)
e6f5b934
MB		 3474{
3475 struct b43_wl *wl = dev->wl;
3476 struct b43_qos_params *params;
e6f5b934
MB		 3477 unsigned int i;
3478
b0544eb6
MB		 3479 if (!dev->qos_enabled)
3480 return;
3481
c40c1129
MB		 3482 BUILD_BUG_ON(ARRAY_SIZE(b43_qos_shm_offsets) !=
3483 ARRAY_SIZE(wl->qos_params));
e6f5b934
MB		 3484
3485 b43_mac_suspend(dev);
e6f5b934
MB		 3486 for (i = 0; i < ARRAY_SIZE(wl->qos_params); i++) {
3487 params = &(wl->qos_params[i]);
5a5f3b40
MB		 3488 b43_qos_params_upload(dev, &(params->p),
3489 b43_qos_shm_offsets[i]);
e6f5b934 3490 }
e6f5b934
MB		 3491 b43_mac_enable(dev);
3492}
3493
3494static void b43_qos_clear(struct b43_wl *wl)
3495{
3496 struct b43_qos_params *params;
3497 unsigned int i;
3498
c40c1129
MB		 3499 /* Initialize QoS parameters to sane defaults. */
3500
3501 BUILD_BUG_ON(ARRAY_SIZE(b43_qos_shm_offsets) !=
3502 ARRAY_SIZE(wl->qos_params));
3503
e6f5b934
MB		 3504 for (i = 0; i < ARRAY_SIZE(wl->qos_params); i++) {
3505 params = &(wl->qos_params[i]);
3506
c40c1129
MB		 3507 switch (b43_qos_shm_offsets[i]) {
3508 case B43_QOS_VOICE:
3509 params->p.txop = 0;
3510 params->p.aifs = 2;
3511 params->p.cw_min = 0x0001;
3512 params->p.cw_max = 0x0001;
3513 break;
3514 case B43_QOS_VIDEO:
3515 params->p.txop = 0;
3516 params->p.aifs = 2;
3517 params->p.cw_min = 0x0001;
3518 params->p.cw_max = 0x0001;
3519 break;
3520 case B43_QOS_BESTEFFORT:
3521 params->p.txop = 0;
3522 params->p.aifs = 3;
3523 params->p.cw_min = 0x0001;
3524 params->p.cw_max = 0x03FF;
3525 break;
3526 case B43_QOS_BACKGROUND:
3527 params->p.txop = 0;
3528 params->p.aifs = 7;
3529 params->p.cw_min = 0x0001;
3530 params->p.cw_max = 0x03FF;
3531 break;
3532 default:
3533 B43_WARN_ON(1);
3534 }
e6f5b934
MB		 3535 }
3536}
3537
3538/* Initialize the core's QOS capabilities */
3539static void b43_qos_init(struct b43_wldev *dev)
3540{
b0544eb6
MB		 3541 if (!dev->qos_enabled) {
3542 /* Disable QOS support. */
3543 b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_EDCF);
3544 b43_write16(dev, B43_MMIO_IFSCTL,
3545 b43_read16(dev, B43_MMIO_IFSCTL)
3546 & ~B43_MMIO_IFSCTL_USE_EDCF);
3547 b43dbg(dev->wl, "QoS disabled\n");
3548 return;
3549 }
3550
e6f5b934 3551 /* Upload the current QOS parameters. */
5a5f3b40 3552 b43_qos_upload_all(dev);
e6f5b934
MB		 3553
3554 /* Enable QOS support. */
3555 b43_hf_write(dev, b43_hf_read(dev) | B43_HF_EDCF);
3556 b43_write16(dev, B43_MMIO_IFSCTL,
3557 b43_read16(dev, B43_MMIO_IFSCTL)
3558 | B43_MMIO_IFSCTL_USE_EDCF);
b0544eb6 3559 b43dbg(dev->wl, "QoS enabled\n");
e6f5b934
MB		 3560}
3561
e100bb64 3562static int b43_op_conf_tx(struct ieee80211_hw *hw, u16 _queue,
40faacc4 3563 const struct ieee80211_tx_queue_params *params)
e4d6b795 3564{
e6f5b934 3565 struct b43_wl *wl = hw_to_b43_wl(hw);
5a5f3b40 3566 struct b43_wldev *dev;
e6f5b934 3567 unsigned int queue = (unsigned int)_queue;
5a5f3b40 3568 int err = -ENODEV;
e6f5b934
MB		 3569
3570 if (queue >= ARRAY_SIZE(wl->qos_params)) {
3571 /* Queue not available or don't support setting
3572 * params on this queue. Return success to not
3573 * confuse mac80211. */
3574 return 0;
3575 }
5a5f3b40
MB		 3576 BUILD_BUG_ON(ARRAY_SIZE(b43_qos_shm_offsets) !=
3577 ARRAY_SIZE(wl->qos_params));
e6f5b934 3578
5a5f3b40
MB		 3579 mutex_lock(&wl->mutex);
3580 dev = wl->current_dev;
3581 if (unlikely(!dev || (b43_status(dev) < B43_STAT_INITIALIZED)))
3582 goto out_unlock;
e6f5b934 3583
5a5f3b40
MB		 3584 memcpy(&(wl->qos_params[queue].p), params, sizeof(*params));
3585 b43_mac_suspend(dev);
3586 b43_qos_params_upload(dev, &(wl->qos_params[queue].p),
3587 b43_qos_shm_offsets[queue]);
3588 b43_mac_enable(dev);
3589 err = 0;
e6f5b934 3590
5a5f3b40
MB		 3591out_unlock:
3592 mutex_unlock(&wl->mutex);
3593
3594 return err;
e4d6b795
MB		 3595}
3596
40faacc4
MB		 3597static int b43_op_get_stats(struct ieee80211_hw *hw,
3598 struct ieee80211_low_level_stats *stats)
e4d6b795
MB		 3599{
3600 struct b43_wl *wl = hw_to_b43_wl(hw);
e4d6b795 3601
36dbd954 3602 mutex_lock(&wl->mutex);
e4d6b795 3603 memcpy(stats, &wl->ieee_stats, sizeof(*stats));
36dbd954 3604 mutex_unlock(&wl->mutex);
e4d6b795
MB		 3605
3606 return 0;
3607}
3608
37a41b4a 3609static u64 b43_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
08e87a83
AF		 3610{
3611 struct b43_wl *wl = hw_to_b43_wl(hw);
3612 struct b43_wldev *dev;
3613 u64 tsf;
3614
3615 mutex_lock(&wl->mutex);
08e87a83
AF		 3616 dev = wl->current_dev;
3617
3618 if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED))
3619 b43_tsf_read(dev, &tsf);
3620 else
3621 tsf = 0;
3622
08e87a83
AF		 3623 mutex_unlock(&wl->mutex);
3624
3625 return tsf;
3626}
3627
37a41b4a
EP		 3628static void b43_op_set_tsf(struct ieee80211_hw *hw,
3629 struct ieee80211_vif *vif, u64 tsf)
08e87a83
AF		 3630{
3631 struct b43_wl *wl = hw_to_b43_wl(hw);
3632 struct b43_wldev *dev;
3633
3634 mutex_lock(&wl->mutex);
08e87a83
AF		 3635 dev = wl->current_dev;
3636
3637 if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED))
3638 b43_tsf_write(dev, tsf);
3639
08e87a83
AF		 3640 mutex_unlock(&wl->mutex);
3641}
3642
e4d6b795
MB		 3643static void b43_put_phy_into_reset(struct b43_wldev *dev)
3644{
6cbab0d9 3645 u32 tmp;
e4d6b795 3646
6cbab0d9 3647 switch (dev->dev->bus_type) {
42c9a458
RM		 3648#ifdef CONFIG_B43_BCMA
3649 case B43_BUS_BCMA:
3650 b43err(dev->wl,
3651 "Putting PHY into reset not supported on BCMA\n");
3652 break;
3653#endif
6cbab0d9
RM		 3654#ifdef CONFIG_B43_SSB
3655 case B43_BUS_SSB:
3656 tmp = ssb_read32(dev->dev->sdev, SSB_TMSLOW);
3657 tmp &= ~B43_TMSLOW_GMODE;
3658 tmp |= B43_TMSLOW_PHYRESET;
3659 tmp |= SSB_TMSLOW_FGC;
3660 ssb_write32(dev->dev->sdev, SSB_TMSLOW, tmp);
3661 msleep(1);
3662
3663 tmp = ssb_read32(dev->dev->sdev, SSB_TMSLOW);
3664 tmp &= ~SSB_TMSLOW_FGC;
3665 tmp |= B43_TMSLOW_PHYRESET;
3666 ssb_write32(dev->dev->sdev, SSB_TMSLOW, tmp);
3667 msleep(1);
e4d6b795 3668
6cbab0d9
RM		 3669 break;
3670#endif
3671 }
e4d6b795
MB		 3672}
3673
99da185a 3674static const char *band_to_string(enum ieee80211_band band)
bb1eeff1
MB		 3675{
3676 switch (band) {
3677 case IEEE80211_BAND_5GHZ:
3678 return "5";
3679 case IEEE80211_BAND_2GHZ:
3680 return "2.4";
3681 default:
3682 break;
3683 }
3684 B43_WARN_ON(1);
3685 return "";
3686}
3687
e4d6b795 3688/* Expects wl->mutex locked */
bb1eeff1 3689static int b43_switch_band(struct b43_wl *wl, struct ieee80211_channel *chan)
e4d6b795 3690{
bb1eeff1 3691 struct b43_wldev *up_dev = NULL;
e4d6b795 3692 struct b43_wldev *down_dev;
bb1eeff1 3693 struct b43_wldev *d;
e4d6b795 3694 int err;
922d8a0b 3695 bool uninitialized_var(gmode);
e4d6b795
MB		 3696 int prev_status;
3697
bb1eeff1
MB		 3698 /* Find a device and PHY which supports the band. */
3699 list_for_each_entry(d, &wl->devlist, list) {
3700 switch (chan->band) {
3701 case IEEE80211_BAND_5GHZ:
3702 if (d->phy.supports_5ghz) {
3703 up_dev = d;
3704 gmode = 0;
3705 }
3706 break;
3707 case IEEE80211_BAND_2GHZ:
3708 if (d->phy.supports_2ghz) {
3709 up_dev = d;
3710 gmode = 1;
3711 }
3712 break;
3713 default:
3714 B43_WARN_ON(1);
3715 return -EINVAL;
3716 }
3717 if (up_dev)
3718 break;
3719 }
3720 if (!up_dev) {
3721 b43err(wl, "Could not find a device for %s-GHz band operation\n",
3722 band_to_string(chan->band));
3723 return -ENODEV;
e4d6b795
MB		 3724 }
3725 if ((up_dev == wl->current_dev) &&
3726 (!!wl->current_dev->phy.gmode == !!gmode)) {
3727 /* This device is already running. */
3728 return 0;
3729 }
bb1eeff1
MB		 3730 b43dbg(wl, "Switching to %s-GHz band\n",
3731 band_to_string(chan->band));
e4d6b795
MB		 3732 down_dev = wl->current_dev;
3733
3734 prev_status = b43_status(down_dev);
3735 /* Shutdown the currently running core. */
3736 if (prev_status >= B43_STAT_STARTED)
36dbd954 3737 down_dev = b43_wireless_core_stop(down_dev);
e4d6b795
MB		 3738 if (prev_status >= B43_STAT_INITIALIZED)
3739 b43_wireless_core_exit(down_dev);
3740
3741 if (down_dev != up_dev) {
3742 /* We switch to a different core, so we put PHY into
3743 * RESET on the old core. */
3744 b43_put_phy_into_reset(down_dev);
3745 }
3746
3747 /* Now start the new core. */
3748 up_dev->phy.gmode = gmode;
3749 if (prev_status >= B43_STAT_INITIALIZED) {
3750 err = b43_wireless_core_init(up_dev);
3751 if (err) {
3752 b43err(wl, "Fatal: Could not initialize device for "
bb1eeff1
MB		 3753 "selected %s-GHz band\n",
3754 band_to_string(chan->band));
e4d6b795
MB		 3755 goto init_failure;
3756 }
3757 }
3758 if (prev_status >= B43_STAT_STARTED) {
3759 err = b43_wireless_core_start(up_dev);
3760 if (err) {
3761 b43err(wl, "Fatal: Coult not start device for "
bb1eeff1
MB		 3762 "selected %s-GHz band\n",
3763 band_to_string(chan->band));
e4d6b795
MB		 3764 b43_wireless_core_exit(up_dev);
3765 goto init_failure;
3766 }
3767 }
3768 B43_WARN_ON(b43_status(up_dev) != prev_status);
3769
3770 wl->current_dev = up_dev;
3771
3772 return 0;
bb1eeff1 3773init_failure:
e4d6b795
MB		 3774 /* Whoops, failed to init the new core. No core is operating now. */
3775 wl->current_dev = NULL;
3776 return err;
3777}
3778
9124b077
JB		 3779/* Write the short and long frame retry limit values. */
3780static void b43_set_retry_limits(struct b43_wldev *dev,
3781 unsigned int short_retry,
3782 unsigned int long_retry)
3783{
3784 /* The retry limit is a 4-bit counter. Enforce this to avoid overflowing
3785 * the chip-internal counter. */
3786 short_retry = min(short_retry, (unsigned int)0xF);
3787 long_retry = min(long_retry, (unsigned int)0xF);
3788
3789 b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_SRLIMIT,
3790 short_retry);
3791 b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_LRLIMIT,
3792 long_retry);
3793}
3794
e8975581 3795static int b43_op_config(struct ieee80211_hw *hw, u32 changed)
e4d6b795
MB		 3796{
3797 struct b43_wl *wl = hw_to_b43_wl(hw);
3798 struct b43_wldev *dev;
3799 struct b43_phy *phy;
e8975581 3800 struct ieee80211_conf *conf = &hw->conf;
9db1f6d7 3801 int antenna;
e4d6b795 3802 int err = 0;
2a190322 3803 bool reload_bss = false;
e4d6b795 3804
e4d6b795
MB		 3805 mutex_lock(&wl->mutex);
3806
2a190322
FF		 3807 dev = wl->current_dev;
3808
bb1eeff1
MB		 3809 /* Switch the band (if necessary). This might change the active core. */
3810 err = b43_switch_band(wl, conf->channel);
e4d6b795
MB		 3811 if (err)
3812 goto out_unlock_mutex;
2a190322
FF		 3813
3814 /* Need to reload all settings if the core changed */
3815 if (dev != wl->current_dev) {
3816 dev = wl->current_dev;
3817 changed = ~0;
3818 reload_bss = true;
3819 }
3820
e4d6b795
MB		 3821 phy = &dev->phy;
3822
aa4c7b2a
RM		 3823 if (conf_is_ht(conf))
3824 phy->is_40mhz =
3825 (conf_is_ht40_minus(conf) || conf_is_ht40_plus(conf));
3826 else
3827 phy->is_40mhz = false;
3828
d10d0e57
MB		 3829 b43_mac_suspend(dev);
3830
9124b077
JB		 3831 if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
3832 b43_set_retry_limits(dev, conf->short_frame_max_tx_count,
3833 conf->long_frame_max_tx_count);
3834 changed &= ~IEEE80211_CONF_CHANGE_RETRY_LIMITS;
3835 if (!changed)
d10d0e57 3836 goto out_mac_enable;
e4d6b795
MB		 3837
3838 /* Switch to the requested channel.
3839 * The firmware takes care of races with the TX handler. */
8318d78a 3840 if (conf->channel->hw_value != phy->channel)
ef1a628d 3841 b43_switch_channel(dev, conf->channel->hw_value);
e4d6b795 3842
0869aea0 3843 dev->wl->radiotap_enabled = !!(conf->flags & IEEE80211_CONF_MONITOR);
d42ce84a 3844
e4d6b795
MB		 3845 /* Adjust the desired TX power level. */
3846 if (conf->power_level != 0) {
18c8adeb
MB		 3847 if (conf->power_level != phy->desired_txpower) {
3848 phy->desired_txpower = conf->power_level;
3849 b43_phy_txpower_check(dev, B43_TXPWR_IGNORE_TIME |
3850 B43_TXPWR_IGNORE_TSSI);
e4d6b795
MB		 3851 }
3852 }
3853
3854 /* Antennas for RX and management frame TX. */
0f4ac38b 3855 antenna = B43_ANTENNA_DEFAULT;
9db1f6d7 3856 b43_mgmtframe_txantenna(dev, antenna);
0f4ac38b 3857 antenna = B43_ANTENNA_DEFAULT;
ef1a628d
MB		 3858 if (phy->ops->set_rx_antenna)
3859 phy->ops->set_rx_antenna(dev, antenna);
e4d6b795 3860
fd4973c5
LF		 3861 if (wl->radio_enabled != phy->radio_on) {
3862 if (wl->radio_enabled) {
19d337df 3863 b43_software_rfkill(dev, false);
fda9abcf
MB		 3864 b43info(dev->wl, "Radio turned on by software\n");
3865 if (!dev->radio_hw_enable) {
3866 b43info(dev->wl, "The hardware RF-kill button "
3867 "still turns the radio physically off. "
3868 "Press the button to turn it on.\n");
3869 }
3870 } else {
19d337df 3871 b43_software_rfkill(dev, true);
fda9abcf
MB		 3872 b43info(dev->wl, "Radio turned off by software\n");
3873 }
3874 }
3875
d10d0e57
MB		 3876out_mac_enable:
3877 b43_mac_enable(dev);
3878out_unlock_mutex:
e4d6b795
MB		 3879 mutex_unlock(&wl->mutex);
3880
2a190322
FF		 3881 if (wl->vif && reload_bss)
3882 b43_op_bss_info_changed(hw, wl->vif, &wl->vif->bss_conf, ~0);
3883
e4d6b795
MB		 3884 return err;
3885}
3886
881d948c 3887static void b43_update_basic_rates(struct b43_wldev *dev, u32 brates)
c7ab5ef9
JB		 3888{
3889 struct ieee80211_supported_band *sband =
3890 dev->wl->hw->wiphy->bands[b43_current_band(dev->wl)];
3891 struct ieee80211_rate *rate;
3892 int i;
3893 u16 basic, direct, offset, basic_offset, rateptr;
3894
3895 for (i = 0; i < sband->n_bitrates; i++) {
3896 rate = &sband->bitrates[i];
3897
3898 if (b43_is_cck_rate(rate->hw_value)) {
3899 direct = B43_SHM_SH_CCKDIRECT;
3900 basic = B43_SHM_SH_CCKBASIC;
3901 offset = b43_plcp_get_ratecode_cck(rate->hw_value);
3902 offset &= 0xF;
3903 } else {
3904 direct = B43_SHM_SH_OFDMDIRECT;
3905 basic = B43_SHM_SH_OFDMBASIC;
3906 offset = b43_plcp_get_ratecode_ofdm(rate->hw_value);
3907 offset &= 0xF;
3908 }
3909
3910 rate = ieee80211_get_response_rate(sband, brates, rate->bitrate);
3911
3912 if (b43_is_cck_rate(rate->hw_value)) {
3913 basic_offset = b43_plcp_get_ratecode_cck(rate->hw_value);
3914 basic_offset &= 0xF;
3915 } else {
3916 basic_offset = b43_plcp_get_ratecode_ofdm(rate->hw_value);
3917 basic_offset &= 0xF;
3918 }
3919
3920 /*
3921 * Get the pointer that we need to point to
3922 * from the direct map
3923 */
3924 rateptr = b43_shm_read16(dev, B43_SHM_SHARED,
3925 direct + 2 * basic_offset);
3926 /* and write it to the basic map */
3927 b43_shm_write16(dev, B43_SHM_SHARED, basic + 2 * offset,
3928 rateptr);
3929 }
3930}
3931
3932static void b43_op_bss_info_changed(struct ieee80211_hw *hw,
3933 struct ieee80211_vif *vif,
3934 struct ieee80211_bss_conf *conf,
3935 u32 changed)
3936{
3937 struct b43_wl *wl = hw_to_b43_wl(hw);
3938 struct b43_wldev *dev;
c7ab5ef9
JB		 3939
3940 mutex_lock(&wl->mutex);
3941
3942 dev = wl->current_dev;
d10d0e57 3943 if (!dev || b43_status(dev) < B43_STAT_STARTED)
c7ab5ef9 3944 goto out_unlock_mutex;
2d0ddec5
JB		 3945
3946 B43_WARN_ON(wl->vif != vif);
3947
3948 if (changed & BSS_CHANGED_BSSID) {
2d0ddec5
JB		 3949 if (conf->bssid)
3950 memcpy(wl->bssid, conf->bssid, ETH_ALEN);
3951 else
3952 memset(wl->bssid, 0, ETH_ALEN);
3f0d843b 3953 }
2d0ddec5 3954
3f0d843b
JB		 3955 if (b43_status(dev) >= B43_STAT_INITIALIZED) {
3956 if (changed & BSS_CHANGED_BEACON &&
3957 (b43_is_mode(wl, NL80211_IFTYPE_AP) ||
3958 b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT) ||
3959 b43_is_mode(wl, NL80211_IFTYPE_ADHOC)))
3960 b43_update_templates(wl);
3961
3962 if (changed & BSS_CHANGED_BSSID)
2d0ddec5 3963 b43_write_mac_bssid_templates(dev);
2d0ddec5
JB		 3964 }
3965
c7ab5ef9
JB		 3966 b43_mac_suspend(dev);
3967
57c4d7b4
JB		 3968 /* Update templates for AP/mesh mode. */
3969 if (changed & BSS_CHANGED_BEACON_INT &&
3970 (b43_is_mode(wl, NL80211_IFTYPE_AP) ||
3971 b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT) ||
2a190322
FF		 3972 b43_is_mode(wl, NL80211_IFTYPE_ADHOC)) &&
3973 conf->beacon_int)
57c4d7b4
JB		 3974 b43_set_beacon_int(dev, conf->beacon_int);
3975
c7ab5ef9
JB		 3976 if (changed & BSS_CHANGED_BASIC_RATES)
3977 b43_update_basic_rates(dev, conf->basic_rates);
3978
3979 if (changed & BSS_CHANGED_ERP_SLOT) {
3980 if (conf->use_short_slot)
3981 b43_short_slot_timing_enable(dev);
3982 else
3983 b43_short_slot_timing_disable(dev);
3984 }
3985
3986 b43_mac_enable(dev);
d10d0e57 3987out_unlock_mutex:
c7ab5ef9 3988 mutex_unlock(&wl->mutex);
c7ab5ef9
JB		 3989}
3990
40faacc4 3991static int b43_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
dc822b5d
JB		 3992 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
3993 struct ieee80211_key_conf *key)
e4d6b795
MB		 3994{
3995 struct b43_wl *wl = hw_to_b43_wl(hw);
c6dfc9a8 3996 struct b43_wldev *dev;
e4d6b795
MB		 3997 u8 algorithm;
3998 u8 index;
c6dfc9a8 3999 int err;
060210f9 4000 static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
e4d6b795
MB		 4001
4002 if (modparam_nohwcrypt)
4003 return -ENOSPC; /* User disabled HW-crypto */
4004
c6dfc9a8 4005 mutex_lock(&wl->mutex);
c6dfc9a8
MB		 4006
4007 dev = wl->current_dev;
4008 err = -ENODEV;
4009 if (!dev || b43_status(dev) < B43_STAT_INITIALIZED)
4010 goto out_unlock;
4011
403a3a13 4012 if (dev->fw.pcm_request_failed || !dev->hwcrypto_enabled) {
68217832
MB		 4013 /* We don't have firmware for the crypto engine.
4014 * Must use software-crypto. */
4015 err = -EOPNOTSUPP;
4016 goto out_unlock;
4017 }
4018
c6dfc9a8 4019 err = -EINVAL;
97359d12
JB		 4020 switch (key->cipher) {
4021 case WLAN_CIPHER_SUITE_WEP40:
4022 algorithm = B43_SEC_ALGO_WEP40;
4023 break;
4024 case WLAN_CIPHER_SUITE_WEP104:
4025 algorithm = B43_SEC_ALGO_WEP104;
e4d6b795 4026 break;
97359d12 4027 case WLAN_CIPHER_SUITE_TKIP:
e4d6b795
MB		 4028 algorithm = B43_SEC_ALGO_TKIP;
4029 break;
97359d12 4030 case WLAN_CIPHER_SUITE_CCMP:
e4d6b795
MB		 4031 algorithm = B43_SEC_ALGO_AES;
4032 break;
4033 default:
4034 B43_WARN_ON(1);
c6dfc9a8 4035 goto out_unlock;
e4d6b795 4036 }
e4d6b795
MB		 4037 index = (u8) (key->keyidx);
4038 if (index > 3)
e4d6b795 4039 goto out_unlock;
e4d6b795
MB		 4040
4041 switch (cmd) {
4042 case SET_KEY:
035d0243 4043 if (algorithm == B43_SEC_ALGO_TKIP &&
4044 (!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE) ||
4045 !modparam_hwtkip)) {
4046 /* We support only pairwise key */
e4d6b795
MB		 4047 err = -EOPNOTSUPP;
4048 goto out_unlock;
4049 }
4050
e808e586 4051 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) {
dc822b5d
JB		 4052 if (WARN_ON(!sta)) {
4053 err = -EOPNOTSUPP;
4054 goto out_unlock;
4055 }
e808e586 4056 /* Pairwise key with an assigned MAC address. */
e4d6b795 4057 err = b43_key_write(dev, -1, algorithm,
dc822b5d
JB		 4058 key->key, key->keylen,
4059 sta->addr, key);
e808e586
MB		 4060 } else {
4061 /* Group key */
4062 err = b43_key_write(dev, index, algorithm,
4063 key->key, key->keylen, NULL, key);
e4d6b795
MB		 4064 }
4065 if (err)
4066 goto out_unlock;
4067
4068 if (algorithm == B43_SEC_ALGO_WEP40 ||
4069 algorithm == B43_SEC_ALGO_WEP104) {
4070 b43_hf_write(dev, b43_hf_read(dev) | B43_HF_USEDEFKEYS);
4071 } else {
4072 b43_hf_write(dev,
4073 b43_hf_read(dev) & ~B43_HF_USEDEFKEYS);
4074 }
4075 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
035d0243 4076 if (algorithm == B43_SEC_ALGO_TKIP)
4077 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
e4d6b795
MB		 4078 break;
4079 case DISABLE_KEY: {
4080 err = b43_key_clear(dev, key->hw_key_idx);
4081 if (err)
4082 goto out_unlock;
4083 break;
4084 }
4085 default:
4086 B43_WARN_ON(1);
4087 }
9cf7f247 4088
e4d6b795 4089out_unlock:
e4d6b795
MB		 4090 if (!err) {
4091 b43dbg(wl, "%s hardware based encryption for keyidx: %d, "
e174961c 4092 "mac: %pM\n",
e4d6b795 4093 cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
a1d88210 4094 sta ? sta->addr : bcast_addr);
9cf7f247 4095 b43_dump_keymemory(dev);
e4d6b795 4096 }
9cf7f247
MB		 4097 mutex_unlock(&wl->mutex);
4098
e4d6b795
MB		 4099 return err;
4100}
4101
40faacc4
MB		 4102static void b43_op_configure_filter(struct ieee80211_hw *hw,
4103 unsigned int changed, unsigned int *fflags,
3ac64bee 4104 u64 multicast)
e4d6b795
MB		 4105{
4106 struct b43_wl *wl = hw_to_b43_wl(hw);
36dbd954 4107 struct b43_wldev *dev;
e4d6b795 4108
36dbd954
MB		 4109 mutex_lock(&wl->mutex);
4110 dev = wl->current_dev;
4150c572
JB		 4111 if (!dev) {
4112 *fflags = 0;
36dbd954 4113 goto out_unlock;
e4d6b795 4114 }
4150c572 4115
4150c572
JB		 4116 *fflags &= FIF_PROMISC_IN_BSS |
4117 FIF_ALLMULTI |
4118 FIF_FCSFAIL |
4119 FIF_PLCPFAIL |
4120 FIF_CONTROL |
4121 FIF_OTHER_BSS |
4122 FIF_BCN_PRBRESP_PROMISC;
4123
4124 changed &= FIF_PROMISC_IN_BSS |
4125 FIF_ALLMULTI |
4126 FIF_FCSFAIL |
4127 FIF_PLCPFAIL |
4128 FIF_CONTROL |
4129 FIF_OTHER_BSS |
4130 FIF_BCN_PRBRESP_PROMISC;
4131
4132 wl->filter_flags = *fflags;
4133
4134 if (changed && b43_status(dev) >= B43_STAT_INITIALIZED)
4135 b43_adjust_opmode(dev);
36dbd954
MB		 4136
4137out_unlock:
4138 mutex_unlock(&wl->mutex);
e4d6b795
MB		 4139}
4140
36dbd954
MB		 4141/* Locking: wl->mutex
4142 * Returns the current dev. This might be different from the passed in dev,
4143 * because the core might be gone away while we unlocked the mutex. */
4144static struct b43_wldev * b43_wireless_core_stop(struct b43_wldev *dev)
e4d6b795 4145{
9a53bf54 4146 struct b43_wl *wl;
36dbd954 4147 struct b43_wldev *orig_dev;
49d965c8 4148 u32 mask;
e4d6b795 4149
9a53bf54
LF		 4150 if (!dev)
4151 return NULL;
4152 wl = dev->wl;
36dbd954
MB		 4153redo:
4154 if (!dev || b43_status(dev) < B43_STAT_STARTED)
4155 return dev;
a19d12d7 4156
f5d40eed 4157 /* Cancel work. Unlock to avoid deadlocks. */
36dbd954
MB		 4158 mutex_unlock(&wl->mutex);
4159 cancel_delayed_work_sync(&dev->periodic_work);
f5d40eed 4160 cancel_work_sync(&wl->tx_work);
36dbd954
MB		 4161 mutex_lock(&wl->mutex);
4162 dev = wl->current_dev;
4163 if (!dev || b43_status(dev) < B43_STAT_STARTED) {
4164 /* Whoops, aliens ate up the device while we were unlocked. */
4165 return dev;
4166 }
a19d12d7 4167
36dbd954 4168 /* Disable interrupts on the device. */
e4d6b795 4169 b43_set_status(dev, B43_STAT_INITIALIZED);
505fb019 4170 if (b43_bus_host_is_sdio(dev->dev)) {
36dbd954
MB		 4171 /* wl->mutex is locked. That is enough. */
4172 b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, 0);
4173 b43_read32(dev, B43_MMIO_GEN_IRQ_MASK); /* Flush */
4174 } else {
4175 spin_lock_irq(&wl->hardirq_lock);
4176 b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, 0);
4177 b43_read32(dev, B43_MMIO_GEN_IRQ_MASK); /* Flush */
4178 spin_unlock_irq(&wl->hardirq_lock);
4179 }
176e9f6a 4180 /* Synchronize and free the interrupt handlers. Unlock to avoid deadlocks. */
36dbd954 4181 orig_dev = dev;
e4d6b795 4182 mutex_unlock(&wl->mutex);
505fb019 4183 if (b43_bus_host_is_sdio(dev->dev)) {
176e9f6a
MB		 4184 b43_sdio_free_irq(dev);
4185 } else {
a18c715e
RM		 4186 synchronize_irq(dev->dev->irq);
4187 free_irq(dev->dev->irq, dev);
176e9f6a 4188 }
e4d6b795 4189 mutex_lock(&wl->mutex);
36dbd954
MB		 4190 dev = wl->current_dev;
4191 if (!dev)
4192 return dev;
4193 if (dev != orig_dev) {
4194 if (b43_status(dev) >= B43_STAT_STARTED)
4195 goto redo;
4196 return dev;
4197 }
49d965c8
MB		 4198 mask = b43_read32(dev, B43_MMIO_GEN_IRQ_MASK);
4199 B43_WARN_ON(mask != 0xFFFFFFFF && mask);
e4d6b795 4200
f5d40eed
MB		 4201 /* Drain the TX queue */
4202 while (skb_queue_len(&wl->tx_queue))
4203 dev_kfree_skb(skb_dequeue(&wl->tx_queue));
4204
e4d6b795 4205 b43_mac_suspend(dev);
a78b3bb2 4206 b43_leds_exit(dev);
e4d6b795 4207 b43dbg(wl, "Wireless interface stopped\n");
36dbd954
MB		 4208
4209 return dev;
e4d6b795
MB		 4210}
4211
4212/* Locking: wl->mutex */
4213static int b43_wireless_core_start(struct b43_wldev *dev)
4214{
4215 int err;
4216
4217 B43_WARN_ON(b43_status(dev) != B43_STAT_INITIALIZED);
4218
4219 drain_txstatus_queue(dev);
505fb019 4220 if (b43_bus_host_is_sdio(dev->dev)) {
3dbba8e2
AH		 4221 err = b43_sdio_request_irq(dev, b43_sdio_interrupt_handler);
4222 if (err) {
4223 b43err(dev->wl, "Cannot request SDIO IRQ\n");
4224 goto out;
4225 }
4226 } else {
a18c715e 4227 err = request_threaded_irq(dev->dev->irq, b43_interrupt_handler,
3dbba8e2
AH		 4228 b43_interrupt_thread_handler,
4229 IRQF_SHARED, KBUILD_MODNAME, dev);
4230 if (err) {
dedb1eb9 4231 b43err(dev->wl, "Cannot request IRQ-%d\n",
a18c715e 4232 dev->dev->irq);
3dbba8e2
AH		 4233 goto out;
4234 }
e4d6b795
MB		 4235 }
4236
4237 /* We are ready to run. */
0866b03c 4238 ieee80211_wake_queues(dev->wl->hw);
e4d6b795
MB		 4239 b43_set_status(dev, B43_STAT_STARTED);
4240
4241 /* Start data flow (TX/RX). */
4242 b43_mac_enable(dev);
13790728 4243 b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, dev->irq_mask);
e4d6b795 4244
25985edc 4245 /* Start maintenance work */
e4d6b795
MB		 4246 b43_periodic_tasks_setup(dev);
4247
a78b3bb2
MB		 4248 b43_leds_init(dev);
4249
e4d6b795 4250 b43dbg(dev->wl, "Wireless interface started\n");
a78b3bb2 4251out:
e4d6b795
MB		 4252 return err;
4253}
4254
4255/* Get PHY and RADIO versioning numbers */
4256static int b43_phy_versioning(struct b43_wldev *dev)
4257{
4258 struct b43_phy *phy = &dev->phy;
4259 u32 tmp;
4260 u8 analog_type;
4261 u8 phy_type;
4262 u8 phy_rev;
4263 u16 radio_manuf;
4264 u16 radio_ver;
4265 u16 radio_rev;
4266 int unsupported = 0;
4267
4268 /* Get PHY versioning */
4269 tmp = b43_read16(dev, B43_MMIO_PHY_VER);
4270 analog_type = (tmp & B43_PHYVER_ANALOG) >> B43_PHYVER_ANALOG_SHIFT;
4271 phy_type = (tmp & B43_PHYVER_TYPE) >> B43_PHYVER_TYPE_SHIFT;
4272 phy_rev = (tmp & B43_PHYVER_VERSION);
4273 switch (phy_type) {
4274 case B43_PHYTYPE_A:
4275 if (phy_rev >= 4)
4276 unsupported = 1;
4277 break;
4278 case B43_PHYTYPE_B:
4279 if (phy_rev != 2 && phy_rev != 4 && phy_rev != 6
4280 && phy_rev != 7)
4281 unsupported = 1;
4282 break;
4283 case B43_PHYTYPE_G:
013978b6 4284 if (phy_rev > 9)
e4d6b795
MB		 4285 unsupported = 1;
4286 break;
692d2c0f 4287#ifdef CONFIG_B43_PHY_N
d5c71e46 4288 case B43_PHYTYPE_N:
ab72efdf 4289 if (phy_rev > 9)
d5c71e46
MB		 4290 unsupported = 1;
4291 break;
6b1c7c67
MB		 4292#endif
4293#ifdef CONFIG_B43_PHY_LP
4294 case B43_PHYTYPE_LP:
9d86a2d5 4295 if (phy_rev > 2)
6b1c7c67
MB		 4296 unsupported = 1;
4297 break;
d7520b1d
RM		 4298#endif
4299#ifdef CONFIG_B43_PHY_HT
4300 case B43_PHYTYPE_HT:
4301 if (phy_rev > 1)
4302 unsupported = 1;
4303 break;
1d738e64
RM		 4304#endif
4305#ifdef CONFIG_B43_PHY_LCN
4306 case B43_PHYTYPE_LCN:
4307 if (phy_rev > 1)
4308 unsupported = 1;
4309 break;
d5c71e46 4310#endif
e4d6b795
MB		 4311 default:
4312 unsupported = 1;
6403eab1 4313 }
e4d6b795
MB		 4314 if (unsupported) {
4315 b43err(dev->wl, "FOUND UNSUPPORTED PHY "
4316 "(Analog %u, Type %u, Revision %u)\n",
4317 analog_type, phy_type, phy_rev);
4318 return -EOPNOTSUPP;
4319 }
4320 b43dbg(dev->wl, "Found PHY: Analog %u, Type %u, Revision %u\n",
4321 analog_type, phy_type, phy_rev);
4322
4323 /* Get RADIO versioning */
3fd48508 4324 if (dev->dev->core_rev >= 24) {
544e5d8b
RM		 4325 u16 radio24[3];
4326
4327 for (tmp = 0; tmp < 3; tmp++) {
4328 b43_write16(dev, B43_MMIO_RADIO24_CONTROL, tmp);
4329 radio24[tmp] = b43_read16(dev, B43_MMIO_RADIO24_DATA);
4330 }
4331
4332 /* Broadcom uses "id" for our "ver" and has separated "ver" */
4333 /* radio_ver = (radio24[0] & 0xF0) >> 4; */
4334
4335 radio_manuf = 0x17F;
4336 radio_ver = (radio24[2] << 8) | radio24[1];
4337 radio_rev = (radio24[0] & 0xF);
e4d6b795 4338 } else {
3fd48508
RM		 4339 if (dev->dev->chip_id == 0x4317) {
4340 if (dev->dev->chip_rev == 0)
4341 tmp = 0x3205017F;
4342 else if (dev->dev->chip_rev == 1)
4343 tmp = 0x4205017F;
4344 else
4345 tmp = 0x5205017F;
4346 } else {
4347 b43_write16(dev, B43_MMIO_RADIO_CONTROL,
4348 B43_RADIOCTL_ID);
4349 tmp = b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
4350 b43_write16(dev, B43_MMIO_RADIO_CONTROL,
4351 B43_RADIOCTL_ID);
4352 tmp |= (u32)b43_read16(dev, B43_MMIO_RADIO_DATA_HIGH)
4353 << 16;
4354 }
4355 radio_manuf = (tmp & 0x00000FFF);
4356 radio_ver = (tmp & 0x0FFFF000) >> 12;
4357 radio_rev = (tmp & 0xF0000000) >> 28;
e4d6b795 4358 }
3fd48508 4359
96c755a3
MB		 4360 if (radio_manuf != 0x17F /* Broadcom */)
4361 unsupported = 1;
e4d6b795
MB		 4362 switch (phy_type) {
4363 case B43_PHYTYPE_A:
4364 if (radio_ver != 0x2060)
4365 unsupported = 1;
4366 if (radio_rev != 1)
4367 unsupported = 1;
4368 if (radio_manuf != 0x17F)
4369 unsupported = 1;
4370 break;
4371 case B43_PHYTYPE_B:
4372 if ((radio_ver & 0xFFF0) != 0x2050)
4373 unsupported = 1;
4374 break;
4375 case B43_PHYTYPE_G:
4376 if (radio_ver != 0x2050)
4377 unsupported = 1;
4378 break;
96c755a3 4379 case B43_PHYTYPE_N:
bb519bee 4380 if (radio_ver != 0x2055 && radio_ver != 0x2056)
96c755a3
MB		 4381 unsupported = 1;
4382 break;
6b1c7c67 4383 case B43_PHYTYPE_LP:
9d86a2d5 4384 if (radio_ver != 0x2062 && radio_ver != 0x2063)
6b1c7c67
MB		 4385 unsupported = 1;
4386 break;
d7520b1d
RM		 4387 case B43_PHYTYPE_HT:
4388 if (radio_ver != 0x2059)
4389 unsupported = 1;
4390 break;
1d738e64
RM		 4391 case B43_PHYTYPE_LCN:
4392 if (radio_ver != 0x2064)
4393 unsupported = 1;
4394 break;
e4d6b795
MB		 4395 default:
4396 B43_WARN_ON(1);
4397 }
4398 if (unsupported) {
4399 b43err(dev->wl, "FOUND UNSUPPORTED RADIO "
4400 "(Manuf 0x%X, Version 0x%X, Revision %u)\n",
4401 radio_manuf, radio_ver, radio_rev);
4402 return -EOPNOTSUPP;
4403 }
4404 b43dbg(dev->wl, "Found Radio: Manuf 0x%X, Version 0x%X, Revision %u\n",
4405 radio_manuf, radio_ver, radio_rev);
4406
4407 phy->radio_manuf = radio_manuf;
4408 phy->radio_ver = radio_ver;
4409 phy->radio_rev = radio_rev;
4410
4411 phy->analog = analog_type;
4412 phy->type = phy_type;
4413 phy->rev = phy_rev;
4414
4415 return 0;
4416}
4417
4418static void setup_struct_phy_for_init(struct b43_wldev *dev,
4419 struct b43_phy *phy)
4420{
e4d6b795 4421 phy->hardware_power_control = !!modparam_hwpctl;
18c8adeb 4422 phy->next_txpwr_check_time = jiffies;
8ed7fc48
MB		 4423 /* PHY TX errors counter. */
4424 atomic_set(&phy->txerr_cnt, B43_PHY_TX_BADNESS_LIMIT);
591f3dc2
MB		 4425
4426#if B43_DEBUG
4427 phy->phy_locked = 0;
4428 phy->radio_locked = 0;
4429#endif
e4d6b795
MB		 4430}
4431
4432static void setup_struct_wldev_for_init(struct b43_wldev *dev)
4433{
aa6c7ae2
MB		 4434 dev->dfq_valid = 0;
4435
6a724d68
MB		 4436 /* Assume the radio is enabled. If it's not enabled, the state will
4437 * immediately get fixed on the first periodic work run. */
4438 dev->radio_hw_enable = 1;
e4d6b795
MB		 4439
4440 /* Stats */
4441 memset(&dev->stats, 0, sizeof(dev->stats));
4442
4443 setup_struct_phy_for_init(dev, &dev->phy);
4444
4445 /* IRQ related flags */
4446 dev->irq_reason = 0;
4447 memset(dev->dma_reason, 0, sizeof(dev->dma_reason));
13790728 4448 dev->irq_mask = B43_IRQ_MASKTEMPLATE;
3e3ccb3d 4449 if (b43_modparam_verbose < B43_VERBOSITY_DEBUG)
13790728 4450 dev->irq_mask &= ~B43_IRQ_PHY_TXERR;
e4d6b795
MB		 4451
4452 dev->mac_suspended = 1;
4453
4454 /* Noise calculation context */
4455 memset(&dev->noisecalc, 0, sizeof(dev->noisecalc));
4456}
4457
4458static void b43_bluetooth_coext_enable(struct b43_wldev *dev)
4459{
0581483a 4460 struct ssb_sprom *sprom = dev->dev->bus_sprom;
a259d6a4 4461 u64 hf;
e4d6b795 4462
1855ba78
MB		 4463 if (!modparam_btcoex)
4464 return;
95de2841 4465 if (!(sprom->boardflags_lo & B43_BFL_BTCOEXIST))
e4d6b795
MB		 4466 return;
4467 if (dev->phy.type != B43_PHYTYPE_B && !dev->phy.gmode)
4468 return;
4469
4470 hf = b43_hf_read(dev);
95de2841 4471 if (sprom->boardflags_lo & B43_BFL_BTCMOD)
e4d6b795
MB		 4472 hf |= B43_HF_BTCOEXALT;
4473 else
4474 hf |= B43_HF_BTCOEX;
4475 b43_hf_write(dev, hf);
e4d6b795
MB		 4476}
4477
4478static void b43_bluetooth_coext_disable(struct b43_wldev *dev)
1855ba78
MB		 4479{
4480 if (!modparam_btcoex)
4481 return;
4482 //TODO
e4d6b795
MB		 4483}
4484
4485static void b43_imcfglo_timeouts_workaround(struct b43_wldev *dev)
4486{
d48ae5c8 4487 struct ssb_bus *bus;
e4d6b795
MB		 4488 u32 tmp;
4489
d48ae5c8
RM		 4490 if (dev->dev->bus_type != B43_BUS_SSB)
4491 return;
4492
4493 bus = dev->dev->sdev->bus;
4494
0fd82eaf
RM		 4495 if ((bus->chip_id == 0x4311 && bus->chip_rev == 2) ||
4496 (bus->chip_id == 0x4312)) {
d48ae5c8 4497 tmp = ssb_read32(dev->dev->sdev, SSB_IMCFGLO);
0fd82eaf
RM		 4498 tmp &= ~SSB_IMCFGLO_REQTO;
4499 tmp &= ~SSB_IMCFGLO_SERTO;
4500 tmp |= 0x3;
d48ae5c8 4501 ssb_write32(dev->dev->sdev, SSB_IMCFGLO, tmp);
0fd82eaf 4502 ssb_commit_settings(bus);
e4d6b795 4503 }
e4d6b795
MB		 4504}
4505
d59f720d
MB		 4506static void b43_set_synth_pu_delay(struct b43_wldev *dev, bool idle)
4507{
4508 u16 pu_delay;
4509
4510 /* The time value is in microseconds. */
4511 if (dev->phy.type == B43_PHYTYPE_A)
4512 pu_delay = 3700;
4513 else
4514 pu_delay = 1050;
05c914fe 4515 if (b43_is_mode(dev->wl, NL80211_IFTYPE_ADHOC) || idle)
d59f720d
MB		 4516 pu_delay = 500;
4517 if ((dev->phy.radio_ver == 0x2050) && (dev->phy.radio_rev == 8))
4518 pu_delay = max(pu_delay, (u16)2400);
4519
4520 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_SPUWKUP, pu_delay);
4521}
4522
4523/* Set the TSF CFP pre-TargetBeaconTransmissionTime. */
4524static void b43_set_pretbtt(struct b43_wldev *dev)
4525{
4526 u16 pretbtt;
4527
4528 /* The time value is in microseconds. */
05c914fe 4529 if (b43_is_mode(dev->wl, NL80211_IFTYPE_ADHOC)) {
d59f720d
MB		 4530 pretbtt = 2;
4531 } else {
4532 if (dev->phy.type == B43_PHYTYPE_A)
4533 pretbtt = 120;
4534 else
4535 pretbtt = 250;
4536 }
4537 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRETBTT, pretbtt);
4538 b43_write16(dev, B43_MMIO_TSF_CFP_PRETBTT, pretbtt);
4539}
4540
e4d6b795
MB		 4541/* Shutdown a wireless core */
4542/* Locking: wl->mutex */
4543static void b43_wireless_core_exit(struct b43_wldev *dev)
4544{
1f7d87b0 4545 u32 macctl;
e4d6b795 4546
36dbd954
MB		 4547 B43_WARN_ON(dev && b43_status(dev) > B43_STAT_INITIALIZED);
4548 if (!dev || b43_status(dev) != B43_STAT_INITIALIZED)
e4d6b795 4549 return;
84c164a3
JL		 4550
4551 /* Unregister HW RNG driver */
4552 b43_rng_exit(dev->wl);
4553
e4d6b795
MB		 4554 b43_set_status(dev, B43_STAT_UNINIT);
4555
1f7d87b0
MB		 4556 /* Stop the microcode PSM. */
4557 macctl = b43_read32(dev, B43_MMIO_MACCTL);
4558 macctl &= ~B43_MACCTL_PSM_RUN;
4559 macctl |= B43_MACCTL_PSM_JMP0;
4560 b43_write32(dev, B43_MMIO_MACCTL, macctl);
4561
e4d6b795 4562 b43_dma_free(dev);
5100d5ac 4563 b43_pio_free(dev);
e4d6b795 4564 b43_chip_exit(dev);
cb24f57f 4565 dev->phy.ops->switch_analog(dev, 0);
e66fee6a
MB		 4566 if (dev->wl->current_beacon) {
4567 dev_kfree_skb_any(dev->wl->current_beacon);
4568 dev->wl->current_beacon = NULL;
4569 }
4570
24ca39d6
RM		 4571 b43_device_disable(dev, 0);
4572 b43_bus_may_powerdown(dev);
e4d6b795
MB		 4573}
4574
4575/* Initialize a wireless core */
4576static int b43_wireless_core_init(struct b43_wldev *dev)
4577{
0581483a 4578 struct ssb_sprom *sprom = dev->dev->bus_sprom;
e4d6b795
MB		 4579 struct b43_phy *phy = &dev->phy;
4580 int err;
a259d6a4 4581 u64 hf;
e4d6b795
MB		 4582
4583 B43_WARN_ON(b43_status(dev) != B43_STAT_UNINIT);
4584
24ca39d6 4585 err = b43_bus_powerup(dev, 0);
e4d6b795
MB		 4586 if (err)
4587 goto out;
4da909e7
RM		 4588 if (!b43_device_is_enabled(dev))
4589 b43_wireless_core_reset(dev, phy->gmode);
e4d6b795 4590
fb11137a 4591 /* Reset all data structures. */
e4d6b795 4592 setup_struct_wldev_for_init(dev);
fb11137a 4593 phy->ops->prepare_structs(dev);
e4d6b795
MB		 4594
4595 /* Enable IRQ routing to this device. */
6cbab0d9 4596 switch (dev->dev->bus_type) {
42c9a458
RM		 4597#ifdef CONFIG_B43_BCMA
4598 case B43_BUS_BCMA:
4599 bcma_core_pci_irq_ctl(&dev->dev->bdev->bus->drv_pci,
4600 dev->dev->bdev, true);
4601 break;
4602#endif
6cbab0d9
RM		 4603#ifdef CONFIG_B43_SSB
4604 case B43_BUS_SSB:
4605 ssb_pcicore_dev_irqvecs_enable(&dev->dev->sdev->bus->pcicore,
4606 dev->dev->sdev);
4607 break;
4608#endif
4609 }
e4d6b795
MB		 4610
4611 b43_imcfglo_timeouts_workaround(dev);
4612 b43_bluetooth_coext_disable(dev);
fb11137a
MB		 4613 if (phy->ops->prepare_hardware) {
4614 err = phy->ops->prepare_hardware(dev);
ef1a628d 4615 if (err)
fb11137a 4616 goto err_busdown;
ef1a628d 4617 }
e4d6b795
MB		 4618 err = b43_chip_init(dev);
4619 if (err)
fb11137a 4620 goto err_busdown;
e4d6b795 4621 b43_shm_write16(dev, B43_SHM_SHARED,
21d889d4 4622 B43_SHM_SH_WLCOREREV, dev->dev->core_rev);
e4d6b795
MB		 4623 hf = b43_hf_read(dev);
4624 if (phy->type == B43_PHYTYPE_G) {
4625 hf |= B43_HF_SYMW;
4626 if (phy->rev == 1)
4627 hf |= B43_HF_GDCW;
95de2841 4628 if (sprom->boardflags_lo & B43_BFL_PACTRL)
e4d6b795 4629 hf |= B43_HF_OFDMPABOOST;
969d15cf
MB		 4630 }
4631 if (phy->radio_ver == 0x2050) {
4632 if (phy->radio_rev == 6)
4633 hf |= B43_HF_4318TSSI;
4634 if (phy->radio_rev < 6)
4635 hf |= B43_HF_VCORECALC;
e4d6b795 4636 }
1cc8f476
MB		 4637 if (sprom->boardflags_lo & B43_BFL_XTAL_NOSLOW)
4638 hf |= B43_HF_DSCRQ; /* Disable slowclock requests from ucode. */
1a77733c 4639#ifdef CONFIG_SSB_DRIVER_PCICORE
6cbab0d9
RM		 4640 if (dev->dev->bus_type == B43_BUS_SSB &&
4641 dev->dev->sdev->bus->bustype == SSB_BUSTYPE_PCI &&
4642 dev->dev->sdev->bus->pcicore.dev->id.revision <= 10)
8821905c 4643 hf |= B43_HF_PCISCW; /* PCI slow clock workaround. */
1a77733c 4644#endif
25d3ef59 4645 hf &= ~B43_HF_SKCFPUP;
e4d6b795
MB		 4646 b43_hf_write(dev, hf);
4647
74cfdba7
MB		 4648 b43_set_retry_limits(dev, B43_DEFAULT_SHORT_RETRY_LIMIT,
4649 B43_DEFAULT_LONG_RETRY_LIMIT);
e4d6b795
MB		 4650 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_SFFBLIM, 3);
4651 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_LFFBLIM, 2);
4652
4653 /* Disable sending probe responses from firmware.
4654 * Setting the MaxTime to one usec will always trigger
4655 * a timeout, so we never send any probe resp.
4656 * A timeout of zero is infinite. */
4657 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRMAXTIME, 1);
4658
4659 b43_rate_memory_init(dev);
5042c507 4660 b43_set_phytxctl_defaults(dev);
e4d6b795
MB		 4661
4662 /* Minimum Contention Window */
c5a079f4 4663 if (phy->type == B43_PHYTYPE_B)
e4d6b795 4664 b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_MINCONT, 0x1F);
c5a079f4 4665 else
e4d6b795 4666 b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_MINCONT, 0xF);
e4d6b795
MB		 4667 /* Maximum Contention Window */
4668 b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_MAXCONT, 0x3FF);
4669
505fb019 4670 if (b43_bus_host_is_pcmcia(dev->dev) ||
cbe1e82a
RM		 4671 b43_bus_host_is_sdio(dev->dev)) {
4672 dev->__using_pio_transfers = 1;
4673 err = b43_pio_init(dev);
4674 } else if (dev->use_pio) {
4675 b43warn(dev->wl, "Forced PIO by use_pio module parameter. "
4676 "This should not be needed and will result in lower "
4677 "performance.\n");
5100d5ac
MB		 4678 dev->__using_pio_transfers = 1;
4679 err = b43_pio_init(dev);
4680 } else {
4681 dev->__using_pio_transfers = 0;
4682 err = b43_dma_init(dev);
4683 }
e4d6b795
MB		 4684 if (err)
4685 goto err_chip_exit;
03b29773 4686 b43_qos_init(dev);
d59f720d 4687 b43_set_synth_pu_delay(dev, 1);
e4d6b795
MB		 4688 b43_bluetooth_coext_enable(dev);
4689
24ca39d6 4690 b43_bus_powerup(dev, !(sprom->boardflags_lo & B43_BFL_XTAL_NOSLOW));
4150c572 4691 b43_upload_card_macaddress(dev);
e4d6b795 4692 b43_security_init(dev);
e4d6b795 4693
5ab9549a 4694 ieee80211_wake_queues(dev->wl->hw);
e4d6b795
MB		 4695
4696 b43_set_status(dev, B43_STAT_INITIALIZED);
4697
84c164a3
JL		 4698 /* Register HW RNG driver */
4699 b43_rng_init(dev->wl);
4700
1a8d1227 4701out:
e4d6b795
MB		 4702 return err;
4703
ef1a628d 4704err_chip_exit:
e4d6b795 4705 b43_chip_exit(dev);
ef1a628d 4706err_busdown:
24ca39d6 4707 b43_bus_may_powerdown(dev);
e4d6b795
MB		 4708 B43_WARN_ON(b43_status(dev) != B43_STAT_UNINIT);
4709 return err;
4710}
4711
40faacc4 4712static int b43_op_add_interface(struct ieee80211_hw *hw,
1ed32e4f 4713 struct ieee80211_vif *vif)
e4d6b795
MB		 4714{
4715 struct b43_wl *wl = hw_to_b43_wl(hw);
4716 struct b43_wldev *dev;
e4d6b795 4717 int err = -EOPNOTSUPP;
4150c572
JB		 4718
4719 /* TODO: allow WDS/AP devices to coexist */
4720
1ed32e4f
JB		 4721 if (vif->type != NL80211_IFTYPE_AP &&
4722 vif->type != NL80211_IFTYPE_MESH_POINT &&
4723 vif->type != NL80211_IFTYPE_STATION &&
4724 vif->type != NL80211_IFTYPE_WDS &&
4725 vif->type != NL80211_IFTYPE_ADHOC)
4150c572 4726 return -EOPNOTSUPP;
e4d6b795
MB		 4727
4728 mutex_lock(&wl->mutex);
4150c572 4729 if (wl->operating)
e4d6b795
MB		 4730 goto out_mutex_unlock;
4731
1ed32e4f 4732 b43dbg(wl, "Adding Interface type %d\n", vif->type);
e4d6b795
MB		 4733
4734 dev = wl->current_dev;
4150c572 4735 wl->operating = 1;
1ed32e4f
JB		 4736 wl->vif = vif;
4737 wl->if_type = vif->type;
4738 memcpy(wl->mac_addr, vif->addr, ETH_ALEN);
4150c572 4739
4150c572 4740 b43_adjust_opmode(dev);
d59f720d
MB		 4741 b43_set_pretbtt(dev);
4742 b43_set_synth_pu_delay(dev, 0);
4150c572 4743 b43_upload_card_macaddress(dev);
4150c572
JB		 4744
4745 err = 0;
4746 out_mutex_unlock:
4747 mutex_unlock(&wl->mutex);
4748
2a190322
FF		 4749 if (err == 0)
4750 b43_op_bss_info_changed(hw, vif, &vif->bss_conf, ~0);
4751
4150c572
JB		 4752 return err;
4753}
4754
40faacc4 4755static void b43_op_remove_interface(struct ieee80211_hw *hw,
1ed32e4f 4756 struct ieee80211_vif *vif)
4150c572
JB		 4757{
4758 struct b43_wl *wl = hw_to_b43_wl(hw);
4759 struct b43_wldev *dev = wl->current_dev;
4150c572 4760
1ed32e4f 4761 b43dbg(wl, "Removing Interface type %d\n", vif->type);
4150c572
JB		 4762
4763 mutex_lock(&wl->mutex);
4764
4765 B43_WARN_ON(!wl->operating);
1ed32e4f 4766 B43_WARN_ON(wl->vif != vif);
32bfd35d 4767 wl->vif = NULL;
4150c572
JB		 4768
4769 wl->operating = 0;
4770
4150c572
JB		 4771 b43_adjust_opmode(dev);
4772 memset(wl->mac_addr, 0, ETH_ALEN);
4773 b43_upload_card_macaddress(dev);
4150c572
JB		 4774
4775 mutex_unlock(&wl->mutex);
4776}
4777
40faacc4 4778static int b43_op_start(struct ieee80211_hw *hw)
4150c572
JB		 4779{
4780 struct b43_wl *wl = hw_to_b43_wl(hw);
4781 struct b43_wldev *dev = wl->current_dev;
4782 int did_init = 0;
923403b8 4783 int err = 0;
4150c572 4784
7be1bb6b
MB		 4785 /* Kill all old instance specific information to make sure
4786 * the card won't use it in the short timeframe between start
4787 * and mac80211 reconfiguring it. */
4788 memset(wl->bssid, 0, ETH_ALEN);
4789 memset(wl->mac_addr, 0, ETH_ALEN);
4790 wl->filter_flags = 0;
4791 wl->radiotap_enabled = 0;
e6f5b934 4792 b43_qos_clear(wl);
6b4bec01
MB		 4793 wl->beacon0_uploaded = 0;
4794 wl->beacon1_uploaded = 0;
4795 wl->beacon_templates_virgin = 1;
fd4973c5 4796 wl->radio_enabled = 1;
7be1bb6b 4797
4150c572
JB		 4798 mutex_lock(&wl->mutex);
4799
e4d6b795
MB		 4800 if (b43_status(dev) < B43_STAT_INITIALIZED) {
4801 err = b43_wireless_core_init(dev);
f41f3f37 4802 if (err)
e4d6b795
MB		 4803 goto out_mutex_unlock;
4804 did_init = 1;
4805 }
4150c572 4806
e4d6b795
MB		 4807 if (b43_status(dev) < B43_STAT_STARTED) {
4808 err = b43_wireless_core_start(dev);
4809 if (err) {
4810 if (did_init)
4811 b43_wireless_core_exit(dev);
4812 goto out_mutex_unlock;
4813 }
4814 }
4815
f41f3f37
JB		 4816 /* XXX: only do if device doesn't support rfkill irq */
4817 wiphy_rfkill_start_polling(hw->wiphy);
4818
4150c572 4819 out_mutex_unlock:
e4d6b795
MB		 4820 mutex_unlock(&wl->mutex);
4821
2a190322
FF		 4822 /* reload configuration */
4823 b43_op_config(hw, ~0);
4824
e4d6b795
MB		 4825 return err;
4826}
4827
40faacc4 4828static void b43_op_stop(struct ieee80211_hw *hw)
e4d6b795
MB		 4829{
4830 struct b43_wl *wl = hw_to_b43_wl(hw);
4150c572 4831 struct b43_wldev *dev = wl->current_dev;
e4d6b795 4832
a82d9922 4833 cancel_work_sync(&(wl->beacon_update_trigger));
1a8d1227 4834
e4d6b795 4835 mutex_lock(&wl->mutex);
36dbd954
MB		 4836 if (b43_status(dev) >= B43_STAT_STARTED) {
4837 dev = b43_wireless_core_stop(dev);
4838 if (!dev)
4839 goto out_unlock;
4840 }
4150c572 4841 b43_wireless_core_exit(dev);
fd4973c5 4842 wl->radio_enabled = 0;
36dbd954
MB		 4843
4844out_unlock:
e4d6b795 4845 mutex_unlock(&wl->mutex);
18c8adeb
MB		 4846
4847 cancel_work_sync(&(wl->txpower_adjust_work));
e4d6b795
MB		 4848}
4849
17741cdc
JB		 4850static int b43_op_beacon_set_tim(struct ieee80211_hw *hw,
4851 struct ieee80211_sta *sta, bool set)
e66fee6a
MB		 4852{
4853 struct b43_wl *wl = hw_to_b43_wl(hw);
4854
8f611288 4855 /* FIXME: add locking */
9d139c81 4856 b43_update_templates(wl);
e66fee6a
MB		 4857
4858 return 0;
4859}
4860
38968d09
JB		 4861static void b43_op_sta_notify(struct ieee80211_hw *hw,
4862 struct ieee80211_vif *vif,
4863 enum sta_notify_cmd notify_cmd,
17741cdc 4864 struct ieee80211_sta *sta)
38968d09
JB		 4865{
4866 struct b43_wl *wl = hw_to_b43_wl(hw);
4867
4868 B43_WARN_ON(!vif || wl->vif != vif);
4869}
4870
25d3ef59
MB		 4871static void b43_op_sw_scan_start_notifier(struct ieee80211_hw *hw)
4872{
4873 struct b43_wl *wl = hw_to_b43_wl(hw);
4874 struct b43_wldev *dev;
4875
4876 mutex_lock(&wl->mutex);
4877 dev = wl->current_dev;
4878 if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED)) {
4879 /* Disable CFP update during scan on other channels. */
4880 b43_hf_write(dev, b43_hf_read(dev) | B43_HF_SKCFPUP);
4881 }
4882 mutex_unlock(&wl->mutex);
4883}
4884
4885static void b43_op_sw_scan_complete_notifier(struct ieee80211_hw *hw)
4886{
4887 struct b43_wl *wl = hw_to_b43_wl(hw);
4888 struct b43_wldev *dev;
4889
4890 mutex_lock(&wl->mutex);
4891 dev = wl->current_dev;
4892 if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED)) {
4893 /* Re-enable CFP update. */
4894 b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_SKCFPUP);
4895 }
4896 mutex_unlock(&wl->mutex);
4897}
4898
354b4f04
JL		 4899static int b43_op_get_survey(struct ieee80211_hw *hw, int idx,
4900 struct survey_info *survey)
4901{
4902 struct b43_wl *wl = hw_to_b43_wl(hw);
4903 struct b43_wldev *dev = wl->current_dev;
4904 struct ieee80211_conf *conf = &hw->conf;
4905
4906 if (idx != 0)
4907 return -ENOENT;
4908
4909 survey->channel = conf->channel;
4910 survey->filled = SURVEY_INFO_NOISE_DBM;
4911 survey->noise = dev->stats.link_noise;
4912
4913 return 0;
4914}
4915
e4d6b795 4916static const struct ieee80211_ops b43_hw_ops = {
40faacc4
MB		 4917 .tx = b43_op_tx,
4918 .conf_tx = b43_op_conf_tx,
4919 .add_interface = b43_op_add_interface,
4920 .remove_interface = b43_op_remove_interface,
4921 .config = b43_op_config,
c7ab5ef9 4922 .bss_info_changed = b43_op_bss_info_changed,
40faacc4
MB		 4923 .configure_filter = b43_op_configure_filter,
4924 .set_key = b43_op_set_key,
035d0243 4925 .update_tkip_key = b43_op_update_tkip_key,
40faacc4 4926 .get_stats = b43_op_get_stats,
08e87a83
AF		 4927 .get_tsf = b43_op_get_tsf,
4928 .set_tsf = b43_op_set_tsf,
40faacc4
MB		 4929 .start = b43_op_start,
4930 .stop = b43_op_stop,
e66fee6a 4931 .set_tim = b43_op_beacon_set_tim,
38968d09 4932 .sta_notify = b43_op_sta_notify,
25d3ef59
MB		 4933 .sw_scan_start = b43_op_sw_scan_start_notifier,
4934 .sw_scan_complete = b43_op_sw_scan_complete_notifier,
354b4f04 4935 .get_survey = b43_op_get_survey,
f41f3f37 4936 .rfkill_poll = b43_rfkill_poll,
e4d6b795
MB		 4937};
4938
4939/* Hard-reset the chip. Do not call this directly.
4940 * Use b43_controller_restart()
4941 */
4942static void b43_chip_reset(struct work_struct *work)
4943{
4944 struct b43_wldev *dev =
4945 container_of(work, struct b43_wldev, restart_work);
4946 struct b43_wl *wl = dev->wl;
4947 int err = 0;
4948 int prev_status;
4949
4950 mutex_lock(&wl->mutex);
4951
4952 prev_status = b43_status(dev);
4953 /* Bring the device down... */
36dbd954
MB		 4954 if (prev_status >= B43_STAT_STARTED) {
4955 dev = b43_wireless_core_stop(dev);
4956 if (!dev) {
4957 err = -ENODEV;
4958 goto out;
4959 }
4960 }
e4d6b795
MB		 4961 if (prev_status >= B43_STAT_INITIALIZED)
4962 b43_wireless_core_exit(dev);
4963
4964 /* ...and up again. */
4965 if (prev_status >= B43_STAT_INITIALIZED) {
4966 err = b43_wireless_core_init(dev);
4967 if (err)
4968 goto out;
4969 }
4970 if (prev_status >= B43_STAT_STARTED) {
4971 err = b43_wireless_core_start(dev);
4972 if (err) {
4973 b43_wireless_core_exit(dev);
4974 goto out;
4975 }
4976 }
3bf0a32e
MB		 4977out:
4978 if (err)
4979 wl->current_dev = NULL; /* Failed to init the dev. */
e4d6b795 4980 mutex_unlock(&wl->mutex);
2a190322
FF		 4981
4982 if (err) {
e4d6b795 4983 b43err(wl, "Controller restart FAILED\n");
2a190322
FF		 4984 return;
4985 }
4986
4987 /* reload configuration */
4988 b43_op_config(wl->hw, ~0);
4989 if (wl->vif)
4990 b43_op_bss_info_changed(wl->hw, wl->vif, &wl->vif->bss_conf, ~0);
4991
4992 b43info(wl, "Controller restarted\n");
e4d6b795
MB		 4993}
4994
bb1eeff1 4995static int b43_setup_bands(struct b43_wldev *dev,
96c755a3 4996 bool have_2ghz_phy, bool have_5ghz_phy)
e4d6b795
MB		 4997{
4998 struct ieee80211_hw *hw = dev->wl->hw;
e4d6b795 4999
bb1eeff1
MB		 5000 if (have_2ghz_phy)
5001 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &b43_band_2GHz;
5002 if (dev->phy.type == B43_PHYTYPE_N) {
5003 if (have_5ghz_phy)
5004 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &b43_band_5GHz_nphy;
5005 } else {
5006 if (have_5ghz_phy)
5007 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &b43_band_5GHz_aphy;
5008 }
96c755a3 5009
bb1eeff1
MB		 5010 dev->phy.supports_2ghz = have_2ghz_phy;
5011 dev->phy.supports_5ghz = have_5ghz_phy;
e4d6b795
MB		 5012
5013 return 0;
5014}
5015
5016static void b43_wireless_core_detach(struct b43_wldev *dev)
5017{
5018 /* We release firmware that late to not be required to re-request
5019 * is all the time when we reinit the core. */
5020 b43_release_firmware(dev);
fb11137a 5021 b43_phy_free(dev);
e4d6b795
MB		 5022}
5023
5024static int b43_wireless_core_attach(struct b43_wldev *dev)
5025{
5026 struct b43_wl *wl = dev->wl;
6cbab0d9 5027 struct pci_dev *pdev = NULL;
e4d6b795 5028 int err;
40c62269 5029 u32 tmp;
96c755a3 5030 bool have_2ghz_phy = 0, have_5ghz_phy = 0;
e4d6b795
MB		 5031
5032 /* Do NOT do any device initialization here.
5033 * Do it in wireless_core_init() instead.
5034 * This function is for gathering basic information about the HW, only.
5035 * Also some structs may be set up here. But most likely you want to have
5036 * that in core_init(), too.
5037 */
5038
6cbab0d9
RM		 5039#ifdef CONFIG_B43_SSB
5040 if (dev->dev->bus_type == B43_BUS_SSB &&
5041 dev->dev->sdev->bus->bustype == SSB_BUSTYPE_PCI)
5042 pdev = dev->dev->sdev->bus->host_pci;
5043#endif
5044
24ca39d6 5045 err = b43_bus_powerup(dev, 0);
e4d6b795
MB		 5046 if (err) {
5047 b43err(wl, "Bus powerup failed\n");
5048 goto out;
5049 }
e4d6b795 5050
6cbab0d9
RM		 5051 /* Get the PHY type. */
5052 switch (dev->dev->bus_type) {
42c9a458
RM		 5053#ifdef CONFIG_B43_BCMA
5054 case B43_BUS_BCMA:
40c62269
RM		 5055 tmp = bcma_aread32(dev->dev->bdev, BCMA_IOST);
5056 have_2ghz_phy = !!(tmp & B43_BCMA_IOST_2G_PHY);
5057 have_5ghz_phy = !!(tmp & B43_BCMA_IOST_5G_PHY);
42c9a458
RM		 5058 break;
5059#endif
6cbab0d9
RM		 5060#ifdef CONFIG_B43_SSB
5061 case B43_BUS_SSB:
5062 if (dev->dev->core_rev >= 5) {
40c62269
RM		 5063 tmp = ssb_read32(dev->dev->sdev, SSB_TMSHIGH);
5064 have_2ghz_phy = !!(tmp & B43_TMSHIGH_HAVE_2GHZ_PHY);
5065 have_5ghz_phy = !!(tmp & B43_TMSHIGH_HAVE_5GHZ_PHY);
6cbab0d9
RM		 5066 } else
5067 B43_WARN_ON(1);
5068 break;
5069#endif
5070 }
e4d6b795 5071
96c755a3 5072 dev->phy.gmode = have_2ghz_phy;
fd4973c5 5073 dev->phy.radio_on = 1;
4da909e7 5074 b43_wireless_core_reset(dev, dev->phy.gmode);
e4d6b795
MB		 5075
5076 err = b43_phy_versioning(dev);
5077 if (err)
21954c36 5078 goto err_powerdown;
e4d6b795
MB		 5079 /* Check if this device supports multiband. */
5080 if (!pdev ||
5081 (pdev->device != 0x4312 &&
5082 pdev->device != 0x4319 && pdev->device != 0x4324)) {
5083 /* No multiband support. */
96c755a3
MB		 5084 have_2ghz_phy = 0;
5085 have_5ghz_phy = 0;
e4d6b795
MB		 5086 switch (dev->phy.type) {
5087 case B43_PHYTYPE_A:
96c755a3 5088 have_5ghz_phy = 1;
e4d6b795 5089 break;
9d86a2d5 5090 case B43_PHYTYPE_LP: //FIXME not always!
86b2892a 5091#if 0 //FIXME enabling 5GHz causes a NULL pointer dereference
9d86a2d5 5092 have_5ghz_phy = 1;
86b2892a 5093#endif
e4d6b795 5094 case B43_PHYTYPE_G:
96c755a3 5095 case B43_PHYTYPE_N:
8b9bda75
RM		 5096 case B43_PHYTYPE_HT:
5097 case B43_PHYTYPE_LCN:
96c755a3 5098 have_2ghz_phy = 1;
e4d6b795
MB		 5099 break;
5100 default:
5101 B43_WARN_ON(1);
5102 }
5103 }
96c755a3
MB		 5104 if (dev->phy.type == B43_PHYTYPE_A) {
5105 /* FIXME */
5106 b43err(wl, "IEEE 802.11a devices are unsupported\n");
5107 err = -EOPNOTSUPP;
5108 goto err_powerdown;
5109 }
2e35af14
MB		 5110 if (1 /* disable A-PHY */) {
5111 /* FIXME: For now we disable the A-PHY on multi-PHY devices. */
9d86a2d5
GS		 5112 if (dev->phy.type != B43_PHYTYPE_N &&
5113 dev->phy.type != B43_PHYTYPE_LP) {
2e35af14
MB		 5114 have_2ghz_phy = 1;
5115 have_5ghz_phy = 0;
5116 }
5117 }
5118
fb11137a
MB		 5119 err = b43_phy_allocate(dev);
5120 if (err)
5121 goto err_powerdown;
5122
96c755a3 5123 dev->phy.gmode = have_2ghz_phy;
4da909e7 5124 b43_wireless_core_reset(dev, dev->phy.gmode);
e4d6b795
MB		 5125
5126 err = b43_validate_chipaccess(dev);
5127 if (err)
fb11137a 5128 goto err_phy_free;
bb1eeff1 5129 err = b43_setup_bands(dev, have_2ghz_phy, have_5ghz_phy);
e4d6b795 5130 if (err)
fb11137a 5131 goto err_phy_free;
e4d6b795
MB		 5132
5133 /* Now set some default "current_dev" */
5134 if (!wl->current_dev)
5135 wl->current_dev = dev;
5136 INIT_WORK(&dev->restart_work, b43_chip_reset);
5137
cb24f57f 5138 dev->phy.ops->switch_analog(dev, 0);
24ca39d6
RM		 5139 b43_device_disable(dev, 0);
5140 b43_bus_may_powerdown(dev);
e4d6b795
MB		 5141
5142out:
5143 return err;
5144
fb11137a
MB		 5145err_phy_free:
5146 b43_phy_free(dev);
e4d6b795 5147err_powerdown:
24ca39d6 5148 b43_bus_may_powerdown(dev);
e4d6b795
MB		 5149 return err;
5150}
5151
482f0538 5152static void b43_one_core_detach(struct b43_bus_dev *dev)
e4d6b795
MB		 5153{
5154 struct b43_wldev *wldev;
5155 struct b43_wl *wl;
5156
3bf0a32e
MB		 5157 /* Do not cancel ieee80211-workqueue based work here.
5158 * See comment in b43_remove(). */
5159
74abacb6 5160 wldev = b43_bus_get_wldev(dev);
e4d6b795 5161 wl = wldev->wl;
e4d6b795
MB		 5162 b43_debugfs_remove_device(wldev);
5163 b43_wireless_core_detach(wldev);
5164 list_del(&wldev->list);
5165 wl->nr_devs--;
74abacb6 5166 b43_bus_set_wldev(dev, NULL);
e4d6b795
MB		 5167 kfree(wldev);
5168}
5169
482f0538 5170static int b43_one_core_attach(struct b43_bus_dev *dev, struct b43_wl *wl)
e4d6b795
MB		 5171{
5172 struct b43_wldev *wldev;
e4d6b795
MB		 5173 int err = -ENOMEM;
5174
e4d6b795
MB		 5175 wldev = kzalloc(sizeof(*wldev), GFP_KERNEL);
5176 if (!wldev)
5177 goto out;
5178
9e3bd919 5179 wldev->use_pio = b43_modparam_pio;
482f0538 5180 wldev->dev = dev;
e4d6b795
MB		 5181 wldev->wl = wl;
5182 b43_set_status(wldev, B43_STAT_UNINIT);
5183 wldev->bad_frames_preempt = modparam_bad_frames_preempt;
e4d6b795
MB		 5184 INIT_LIST_HEAD(&wldev->list);
5185
5186 err = b43_wireless_core_attach(wldev);
5187 if (err)
5188 goto err_kfree_wldev;
5189
5190 list_add(&wldev->list, &wl->devlist);
5191 wl->nr_devs++;
74abacb6 5192 b43_bus_set_wldev(dev, wldev);
e4d6b795
MB		 5193 b43_debugfs_add_device(wldev);
5194
5195 out:
5196 return err;
5197
5198 err_kfree_wldev:
5199 kfree(wldev);
5200 return err;
5201}
5202
9fc38458
MB		 5203#define IS_PDEV(pdev, _vendor, _device, _subvendor, _subdevice) ( \
5204 (pdev->vendor == PCI_VENDOR_ID_##_vendor) && \
5205 (pdev->device == _device) && \
5206 (pdev->subsystem_vendor == PCI_VENDOR_ID_##_subvendor) && \
5207 (pdev->subsystem_device == _subdevice) )
5208
e4d6b795
MB		 5209static void b43_sprom_fixup(struct ssb_bus *bus)
5210{
1855ba78
MB		 5211 struct pci_dev *pdev;
5212
e4d6b795
MB		 5213 /* boardflags workarounds */
5214 if (bus->boardinfo.vendor == SSB_BOARDVENDOR_DELL &&
5215 bus->chip_id == 0x4301 && bus->boardinfo.rev == 0x74)
95de2841 5216 bus->sprom.boardflags_lo |= B43_BFL_BTCOEXIST;
e4d6b795
MB		 5217 if (bus->boardinfo.vendor == PCI_VENDOR_ID_APPLE &&
5218 bus->boardinfo.type == 0x4E && bus->boardinfo.rev > 0x40)
95de2841 5219 bus->sprom.boardflags_lo |= B43_BFL_PACTRL;
1855ba78
MB		 5220 if (bus->bustype == SSB_BUSTYPE_PCI) {
5221 pdev = bus->host_pci;
9fc38458 5222 if (IS_PDEV(pdev, BROADCOM, 0x4318, ASUSTEK, 0x100F) ||
430cd47f 5223 IS_PDEV(pdev, BROADCOM, 0x4320, DELL, 0x0003) ||
570bdfb1 5224 IS_PDEV(pdev, BROADCOM, 0x4320, HP, 0x12f8) ||
9fc38458 5225 IS_PDEV(pdev, BROADCOM, 0x4320, LINKSYS, 0x0015) ||
a58d4522 5226 IS_PDEV(pdev, BROADCOM, 0x4320, LINKSYS, 0x0014) ||
3bb91bff
LF		 5227 IS_PDEV(pdev, BROADCOM, 0x4320, LINKSYS, 0x0013) ||
5228 IS_PDEV(pdev, BROADCOM, 0x4320, MOTOROLA, 0x7010))
1855ba78
MB		 5229 bus->sprom.boardflags_lo &= ~B43_BFL_BTCOEXIST;
5230 }
e4d6b795
MB		 5231}
5232
482f0538 5233static void b43_wireless_exit(struct b43_bus_dev *dev, struct b43_wl *wl)
e4d6b795
MB		 5234{
5235 struct ieee80211_hw *hw = wl->hw;
5236
482f0538 5237 ssb_set_devtypedata(dev->sdev, NULL);
e4d6b795
MB		 5238 ieee80211_free_hw(hw);
5239}
5240
d1507051 5241static struct b43_wl *b43_wireless_init(struct b43_bus_dev *dev)
e4d6b795 5242{
d1507051 5243 struct ssb_sprom *sprom = dev->bus_sprom;
e4d6b795
MB		 5244 struct ieee80211_hw *hw;
5245 struct b43_wl *wl;
2729df25 5246 char chip_name[6];
e4d6b795
MB		 5247
5248 hw = ieee80211_alloc_hw(sizeof(*wl), &b43_hw_ops);
5249 if (!hw) {
5250 b43err(NULL, "Could not allocate ieee80211 device\n");
0355a345 5251 return ERR_PTR(-ENOMEM);
e4d6b795 5252 }
403a3a13 5253 wl = hw_to_b43_wl(hw);
e4d6b795
MB		 5254
5255 /* fill hw info */
605a0bd6 5256 hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
f5c044e5 5257 IEEE80211_HW_SIGNAL_DBM;
566bfe5a 5258
f59ac048
LR		 5259 hw->wiphy->interface_modes =
5260 BIT(NL80211_IFTYPE_AP) |
5261 BIT(NL80211_IFTYPE_MESH_POINT) |
5262 BIT(NL80211_IFTYPE_STATION) |
5263 BIT(NL80211_IFTYPE_WDS) |
5264 BIT(NL80211_IFTYPE_ADHOC);
5265
403a3a13
MB		 5266 hw->queues = modparam_qos ? 4 : 1;
5267 wl->mac80211_initially_registered_queues = hw->queues;
e6a9854b 5268 hw->max_rates = 2;
e4d6b795 5269 SET_IEEE80211_DEV(hw, dev->dev);
95de2841
LF		 5270 if (is_valid_ether_addr(sprom->et1mac))
5271 SET_IEEE80211_PERM_ADDR(hw, sprom->et1mac);
e4d6b795 5272 else
95de2841 5273 SET_IEEE80211_PERM_ADDR(hw, sprom->il0mac);
e4d6b795 5274
403a3a13 5275 /* Initialize struct b43_wl */
e4d6b795 5276 wl->hw = hw;
e4d6b795 5277 mutex_init(&wl->mutex);
36dbd954 5278 spin_lock_init(&wl->hardirq_lock);
e4d6b795 5279 INIT_LIST_HEAD(&wl->devlist);
a82d9922 5280 INIT_WORK(&wl->beacon_update_trigger, b43_beacon_update_trigger_work);
18c8adeb 5281 INIT_WORK(&wl->txpower_adjust_work, b43_phy_txpower_adjust_work);
f5d40eed
MB		 5282 INIT_WORK(&wl->tx_work, b43_tx_work);
5283 skb_queue_head_init(&wl->tx_queue);
e4d6b795 5284
2729df25
RM		 5285 snprintf(chip_name, ARRAY_SIZE(chip_name),
5286 (dev->chip_id > 0x9999) ? "%d" : "%04X", dev->chip_id);
5287 b43info(wl, "Broadcom %s WLAN found (core revision %u)\n", chip_name,
5288 dev->core_rev);
0355a345 5289 return wl;
e4d6b795
MB		 5290}
5291
3c65ab62
RM		 5292#ifdef CONFIG_B43_BCMA
5293static int b43_bcma_probe(struct bcma_device *core)
5294{
397915c3 5295 struct b43_bus_dev *dev;
24aad3f4
RM		 5296 struct b43_wl *wl;
5297 int err;
397915c3
RM		 5298
5299 dev = b43_bus_dev_bcma_init(core);
5300 if (!dev)
5301 return -ENODEV;
5302
24aad3f4
RM		 5303 wl = b43_wireless_init(dev);
5304 if (IS_ERR(wl)) {
5305 err = PTR_ERR(wl);
5306 goto bcma_out;
5307 }
5308
5309 err = b43_one_core_attach(dev, wl);
5310 if (err)
5311 goto bcma_err_wireless_exit;
5312
5313 err = ieee80211_register_hw(wl->hw);
5314 if (err)
5315 goto bcma_err_one_core_detach;
5316 b43_leds_register(wl->current_dev);
5317
5318bcma_out:
5319 return err;
5320
5321bcma_err_one_core_detach:
5322 b43_one_core_detach(dev);
5323bcma_err_wireless_exit:
5324 ieee80211_free_hw(wl->hw);
5325 return err;
3c65ab62
RM		 5326}
5327
5328static void b43_bcma_remove(struct bcma_device *core)
5329{
24aad3f4
RM		 5330 struct b43_wldev *wldev = bcma_get_drvdata(core);
5331 struct b43_wl *wl = wldev->wl;
5332
5333 /* We must cancel any work here before unregistering from ieee80211,
5334 * as the ieee80211 unreg will destroy the workqueue. */
5335 cancel_work_sync(&wldev->restart_work);
5336
5337 /* Restore the queues count before unregistering, because firmware detect
5338 * might have modified it. Restoring is important, so the networking
5339 * stack can properly free resources. */
5340 wl->hw->queues = wl->mac80211_initially_registered_queues;
5341 b43_leds_stop(wldev);
5342 ieee80211_unregister_hw(wl->hw);
5343
5344 b43_one_core_detach(wldev->dev);
5345
5346 b43_leds_unregister(wl);
5347
5348 ieee80211_free_hw(wl->hw);
3c65ab62
RM		 5349}
5350
5351static struct bcma_driver b43_bcma_driver = {
5352 .name = KBUILD_MODNAME,
5353 .id_table = b43_bcma_tbl,
5354 .probe = b43_bcma_probe,
5355 .remove = b43_bcma_remove,
5356};
5357#endif
5358
aec7ffdf 5359#ifdef CONFIG_B43_SSB
aa63418a
RM		 5360static
5361int b43_ssb_probe(struct ssb_device *sdev, const struct ssb_device_id *id)
e4d6b795 5362{
482f0538 5363 struct b43_bus_dev *dev;
e4d6b795
MB		 5364 struct b43_wl *wl;
5365 int err;
5366 int first = 0;
5367
482f0538 5368 dev = b43_bus_dev_ssb_init(sdev);
5b49b35a
DC		 5369 if (!dev)
5370 return -ENOMEM;
482f0538 5371
aa63418a 5372 wl = ssb_get_devtypedata(sdev);
e4d6b795
MB		 5373 if (!wl) {
5374 /* Probing the first core. Must setup common struct b43_wl */
5375 first = 1;
aa63418a 5376 b43_sprom_fixup(sdev->bus);
d1507051 5377 wl = b43_wireless_init(dev);
0355a345
RM		 5378 if (IS_ERR(wl)) {
5379 err = PTR_ERR(wl);
e4d6b795 5380 goto out;
0355a345 5381 }
aa63418a
RM		 5382 ssb_set_devtypedata(sdev, wl);
5383 B43_WARN_ON(ssb_get_devtypedata(sdev) != wl);
e4d6b795
MB		 5384 }
5385 err = b43_one_core_attach(dev, wl);
5386 if (err)
5387 goto err_wireless_exit;
5388
5389 if (first) {
5390 err = ieee80211_register_hw(wl->hw);
5391 if (err)
5392 goto err_one_core_detach;
a78b3bb2 5393 b43_leds_register(wl->current_dev);
e4d6b795
MB		 5394 }
5395
5396 out:
5397 return err;
5398
5399 err_one_core_detach:
5400 b43_one_core_detach(dev);
5401 err_wireless_exit:
5402 if (first)
5403 b43_wireless_exit(dev, wl);
5404 return err;
5405}
5406
aa63418a 5407static void b43_ssb_remove(struct ssb_device *sdev)
e4d6b795 5408{
aa63418a
RM		 5409 struct b43_wl *wl = ssb_get_devtypedata(sdev);
5410 struct b43_wldev *wldev = ssb_get_drvdata(sdev);
e61b52d1 5411 struct b43_bus_dev *dev = wldev->dev;
e4d6b795 5412
3bf0a32e
MB		 5413 /* We must cancel any work here before unregistering from ieee80211,
5414 * as the ieee80211 unreg will destroy the workqueue. */
5415 cancel_work_sync(&wldev->restart_work);
5416
e4d6b795 5417 B43_WARN_ON(!wl);
403a3a13
MB		 5418 if (wl->current_dev == wldev) {
5419 /* Restore the queues count before unregistering, because firmware detect
5420 * might have modified it. Restoring is important, so the networking
5421 * stack can properly free resources. */
5422 wl->hw->queues = wl->mac80211_initially_registered_queues;
82905ace 5423 b43_leds_stop(wldev);
e4d6b795 5424 ieee80211_unregister_hw(wl->hw);
403a3a13 5425 }
e4d6b795 5426
e61b52d1 5427 b43_one_core_detach(dev);
e4d6b795
MB		 5428
5429 if (list_empty(&wl->devlist)) {
727c9885 5430 b43_leds_unregister(wl);
e4d6b795
MB		 5431 /* Last core on the chip unregistered.
5432 * We can destroy common struct b43_wl.
5433 */
e61b52d1 5434 b43_wireless_exit(dev, wl);
e4d6b795
MB		 5435 }
5436}
5437
aec7ffdf
RM		 5438static struct ssb_driver b43_ssb_driver = {
5439 .name = KBUILD_MODNAME,
5440 .id_table = b43_ssb_tbl,
5441 .probe = b43_ssb_probe,
5442 .remove = b43_ssb_remove,
5443};
5444#endif /* CONFIG_B43_SSB */
5445
e4d6b795
MB		 5446/* Perform a hardware reset. This can be called from any context. */
5447void b43_controller_restart(struct b43_wldev *dev, const char *reason)
5448{
5449 /* Must avoid requeueing, if we are in shutdown. */
5450 if (b43_status(dev) < B43_STAT_INITIALIZED)
5451 return;
5452 b43info(dev->wl, "Controller RESET (%s) ...\n", reason);
42935eca 5453 ieee80211_queue_work(dev->wl->hw, &dev->restart_work);
e4d6b795
MB		 5454}
5455
26bc783f
MB		 5456static void b43_print_driverinfo(void)
5457{
5458 const char *feat_pci = "", *feat_pcmcia = "", *feat_nphy = "",
3dbba8e2 5459 *feat_leds = "", *feat_sdio = "";
26bc783f
MB		 5460
5461#ifdef CONFIG_B43_PCI_AUTOSELECT
5462 feat_pci = "P";
5463#endif
5464#ifdef CONFIG_B43_PCMCIA
5465 feat_pcmcia = "M";
5466#endif
692d2c0f 5467#ifdef CONFIG_B43_PHY_N
26bc783f
MB		 5468 feat_nphy = "N";
5469#endif
5470#ifdef CONFIG_B43_LEDS
5471 feat_leds = "L";
3dbba8e2
AH		 5472#endif
5473#ifdef CONFIG_B43_SDIO
5474 feat_sdio = "S";
26bc783f
MB		 5475#endif
5476 printk(KERN_INFO "Broadcom 43xx driver loaded "
8b0be90c 5477 "[ Features: %s%s%s%s%s ]\n",
26bc783f 5478 feat_pci, feat_pcmcia, feat_nphy,
3dbba8e2 5479 feat_leds, feat_sdio);
26bc783f
MB		 5480}
5481
e4d6b795
MB		 5482static int __init b43_init(void)
5483{
5484 int err;
5485
5486 b43_debugfs_init();
5487 err = b43_pcmcia_init();
5488 if (err)
5489 goto err_dfs_exit;
3dbba8e2 5490 err = b43_sdio_init();
e4d6b795
MB		 5491 if (err)
5492 goto err_pcmcia_exit;
3c65ab62
RM		 5493#ifdef CONFIG_B43_BCMA
5494 err = bcma_driver_register(&b43_bcma_driver);
3dbba8e2
AH		 5495 if (err)
5496 goto err_sdio_exit;
3c65ab62 5497#endif
aec7ffdf 5498#ifdef CONFIG_B43_SSB
3c65ab62
RM		 5499 err = ssb_driver_register(&b43_ssb_driver);
5500 if (err)
5501 goto err_bcma_driver_exit;
aec7ffdf 5502#endif
26bc783f 5503 b43_print_driverinfo();
e4d6b795
MB		 5504
5505 return err;
5506
aec7ffdf 5507#ifdef CONFIG_B43_SSB
3c65ab62 5508err_bcma_driver_exit:
aec7ffdf 5509#endif
3c65ab62
RM		 5510#ifdef CONFIG_B43_BCMA
5511 bcma_driver_unregister(&b43_bcma_driver);
3dbba8e2 5512err_sdio_exit:
3c65ab62 5513#endif
3dbba8e2 5514 b43_sdio_exit();
e4d6b795
MB		 5515err_pcmcia_exit:
5516 b43_pcmcia_exit();
5517err_dfs_exit:
5518 b43_debugfs_exit();
5519 return err;
5520}
5521
5522static void __exit b43_exit(void)
5523{
aec7ffdf 5524#ifdef CONFIG_B43_SSB
e4d6b795 5525 ssb_driver_unregister(&b43_ssb_driver);
aec7ffdf 5526#endif
3c65ab62
RM		 5527#ifdef CONFIG_B43_BCMA
5528 bcma_driver_unregister(&b43_bcma_driver);
5529#endif
3dbba8e2 5530 b43_sdio_exit();
e4d6b795
MB		 5531 b43_pcmcia_exit();
5532 b43_debugfs_exit();
5533}
5534
5535module_init(b43_init)
5536module_exit(b43_exit)
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