3 Broadcom BCM43xx wireless driver
5 Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
6 Stefano Brivio <st3@riseup.net>
7 Michael Buesch <mbuesch@freenet.de>
8 Danny van Dyk <kugelfang@gentoo.org>
9 Andreas Jaggi <andreas.jaggi@waterwave.ch>
11 Some parts of the code in this file are derived from the ipw2200
12 driver Copyright(c) 2003 - 2004 Intel Corporation.
14 This program is free software; you can redistribute it and/or modify
15 it under the terms of the GNU General Public License as published by
16 the Free Software Foundation; either version 2 of the License, or
17 (at your option) any later version.
19 This program is distributed in the hope that it will be useful,
20 but WITHOUT ANY WARRANTY; without even the implied warranty of
21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 GNU General Public License for more details.
24 You should have received a copy of the GNU General Public License
25 along with this program; see the file COPYING. If not, write to
26 the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
27 Boston, MA 02110-1301, USA.
31 #include <linux/delay.h>
32 #include <linux/init.h>
33 #include <linux/moduleparam.h>
34 #include <linux/if_arp.h>
35 #include <linux/etherdevice.h>
36 #include <linux/version.h>
37 #include <linux/firmware.h>
38 #include <linux/wireless.h>
39 #include <linux/workqueue.h>
40 #include <linux/skbuff.h>
41 #include <linux/dma-mapping.h>
42 #include <net/iw_handler.h>
45 #include "bcm43xx_main.h"
46 #include "bcm43xx_debugfs.h"
47 #include "bcm43xx_radio.h"
48 #include "bcm43xx_phy.h"
49 #include "bcm43xx_dma.h"
50 #include "bcm43xx_pio.h"
51 #include "bcm43xx_power.h"
52 #include "bcm43xx_wx.h"
53 #include "bcm43xx_ethtool.h"
54 #include "bcm43xx_xmit.h"
55 #include "bcm43xx_sysfs.h"
58 MODULE_DESCRIPTION("Broadcom BCM43xx wireless driver");
59 MODULE_AUTHOR("Martin Langer");
60 MODULE_AUTHOR("Stefano Brivio");
61 MODULE_AUTHOR("Michael Buesch");
62 MODULE_LICENSE("GPL");
64 #ifdef CONFIG_BCM947XX
65 extern char *nvram_get(char *name);
68 #if defined(CONFIG_BCM43XX_DMA) && defined(CONFIG_BCM43XX_PIO)
69 static int modparam_pio;
70 module_param_named(pio, modparam_pio, int, 0444);
71 MODULE_PARM_DESC(pio, "enable(1) / disable(0) PIO mode");
72 #elif defined(CONFIG_BCM43XX_DMA)
73 # define modparam_pio 0
74 #elif defined(CONFIG_BCM43XX_PIO)
75 # define modparam_pio 1
78 static int modparam_bad_frames_preempt;
79 module_param_named(bad_frames_preempt, modparam_bad_frames_preempt, int, 0444);
80 MODULE_PARM_DESC(bad_frames_preempt, "enable(1) / disable(0) Bad Frames Preemption");
82 static int modparam_short_retry = BCM43xx_DEFAULT_SHORT_RETRY_LIMIT;
83 module_param_named(short_retry, modparam_short_retry, int, 0444);
84 MODULE_PARM_DESC(short_retry, "Short-Retry-Limit (0 - 15)");
86 static int modparam_long_retry = BCM43xx_DEFAULT_LONG_RETRY_LIMIT;
87 module_param_named(long_retry, modparam_long_retry, int, 0444);
88 MODULE_PARM_DESC(long_retry, "Long-Retry-Limit (0 - 15)");
90 static int modparam_locale = -1;
91 module_param_named(locale, modparam_locale, int, 0444);
92 MODULE_PARM_DESC(country, "Select LocaleCode 0-11 (For travelers)");
94 static int modparam_noleds;
95 module_param_named(noleds, modparam_noleds, int, 0444);
96 MODULE_PARM_DESC(noleds, "Turn off all LED activity");
98 #ifdef CONFIG_BCM43XX_DEBUG
99 static char modparam_fwpostfix[64];
100 module_param_string(fwpostfix, modparam_fwpostfix, 64, 0444);
101 MODULE_PARM_DESC(fwpostfix, "Postfix for .fw files. Useful for debugging.");
103 # define modparam_fwpostfix ""
104 #endif /* CONFIG_BCM43XX_DEBUG*/
107 /* If you want to debug with just a single device, enable this,
108 * where the string is the pci device ID (as given by the kernel's
109 * pci_name function) of the device to be used.
111 //#define DEBUG_SINGLE_DEVICE_ONLY "0001:11:00.0"
113 /* If you want to enable printing of each MMIO access, enable this. */
114 //#define DEBUG_ENABLE_MMIO_PRINT
116 /* If you want to enable printing of MMIO access within
117 * ucode/pcm upload, initvals write, enable this.
119 //#define DEBUG_ENABLE_UCODE_MMIO_PRINT
121 /* If you want to enable printing of PCI Config Space access, enable this */
122 //#define DEBUG_ENABLE_PCILOG
125 /* Detailed list maintained at:
126 * http://openfacts.berlios.de/index-en.phtml?title=Bcm43xxDevices
128 static struct pci_device_id bcm43xx_pci_tbl[] = {
129 /* Broadcom 4303 802.11b */
130 { PCI_VENDOR_ID_BROADCOM, 0x4301, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
131 /* Broadcom 4307 802.11b */
132 { PCI_VENDOR_ID_BROADCOM, 0x4307, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
133 /* Broadcom 4318 802.11b/g */
134 { PCI_VENDOR_ID_BROADCOM, 0x4318, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
135 /* Broadcom 4319 802.11a/b/g */
136 { PCI_VENDOR_ID_BROADCOM, 0x4319, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
137 /* Broadcom 4306 802.11b/g */
138 { PCI_VENDOR_ID_BROADCOM, 0x4320, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
139 /* Broadcom 4306 802.11a */
140 // { PCI_VENDOR_ID_BROADCOM, 0x4321, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
141 /* Broadcom 4309 802.11a/b/g */
142 { PCI_VENDOR_ID_BROADCOM, 0x4324, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
143 /* Broadcom 43XG 802.11b/g */
144 { PCI_VENDOR_ID_BROADCOM, 0x4325, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
145 #ifdef CONFIG_BCM947XX
146 /* SB bus on BCM947xx */
147 { PCI_VENDOR_ID_BROADCOM, 0x0800, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
151 MODULE_DEVICE_TABLE(pci, bcm43xx_pci_tbl);
153 static void bcm43xx_ram_write(struct bcm43xx_private *bcm, u16 offset, u32 val)
157 status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
158 if (!(status & BCM43xx_SBF_XFER_REG_BYTESWAP))
161 bcm43xx_write32(bcm, BCM43xx_MMIO_RAM_CONTROL, offset);
163 bcm43xx_write32(bcm, BCM43xx_MMIO_RAM_DATA, val);
167 void bcm43xx_shm_control_word(struct bcm43xx_private *bcm,
168 u16 routing, u16 offset)
172 /* "offset" is the WORD offset. */
177 bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_CONTROL, control);
180 u32 bcm43xx_shm_read32(struct bcm43xx_private *bcm,
181 u16 routing, u16 offset)
185 if (routing == BCM43xx_SHM_SHARED) {
186 if (offset & 0x0003) {
187 /* Unaligned access */
188 bcm43xx_shm_control_word(bcm, routing, offset >> 2);
189 ret = bcm43xx_read16(bcm, BCM43xx_MMIO_SHM_DATA_UNALIGNED);
191 bcm43xx_shm_control_word(bcm, routing, (offset >> 2) + 1);
192 ret |= bcm43xx_read16(bcm, BCM43xx_MMIO_SHM_DATA);
198 bcm43xx_shm_control_word(bcm, routing, offset);
199 ret = bcm43xx_read32(bcm, BCM43xx_MMIO_SHM_DATA);
204 u16 bcm43xx_shm_read16(struct bcm43xx_private *bcm,
205 u16 routing, u16 offset)
209 if (routing == BCM43xx_SHM_SHARED) {
210 if (offset & 0x0003) {
211 /* Unaligned access */
212 bcm43xx_shm_control_word(bcm, routing, offset >> 2);
213 ret = bcm43xx_read16(bcm, BCM43xx_MMIO_SHM_DATA_UNALIGNED);
219 bcm43xx_shm_control_word(bcm, routing, offset);
220 ret = bcm43xx_read16(bcm, BCM43xx_MMIO_SHM_DATA);
225 void bcm43xx_shm_write32(struct bcm43xx_private *bcm,
226 u16 routing, u16 offset,
229 if (routing == BCM43xx_SHM_SHARED) {
230 if (offset & 0x0003) {
231 /* Unaligned access */
232 bcm43xx_shm_control_word(bcm, routing, offset >> 2);
234 bcm43xx_write16(bcm, BCM43xx_MMIO_SHM_DATA_UNALIGNED,
235 (value >> 16) & 0xffff);
237 bcm43xx_shm_control_word(bcm, routing, (offset >> 2) + 1);
239 bcm43xx_write16(bcm, BCM43xx_MMIO_SHM_DATA,
245 bcm43xx_shm_control_word(bcm, routing, offset);
247 bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_DATA, value);
250 void bcm43xx_shm_write16(struct bcm43xx_private *bcm,
251 u16 routing, u16 offset,
254 if (routing == BCM43xx_SHM_SHARED) {
255 if (offset & 0x0003) {
256 /* Unaligned access */
257 bcm43xx_shm_control_word(bcm, routing, offset >> 2);
259 bcm43xx_write16(bcm, BCM43xx_MMIO_SHM_DATA_UNALIGNED,
265 bcm43xx_shm_control_word(bcm, routing, offset);
267 bcm43xx_write16(bcm, BCM43xx_MMIO_SHM_DATA, value);
270 void bcm43xx_tsf_read(struct bcm43xx_private *bcm, u64 *tsf)
272 /* We need to be careful. As we read the TSF from multiple
273 * registers, we should take care of register overflows.
274 * In theory, the whole tsf read process should be atomic.
275 * We try to be atomic here, by restaring the read process,
276 * if any of the high registers changed (overflew).
278 if (bcm->current_core->rev >= 3) {
279 u32 low, high, high2;
282 high = bcm43xx_read32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_HIGH);
283 low = bcm43xx_read32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_LOW);
284 high2 = bcm43xx_read32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_HIGH);
285 } while (unlikely(high != high2));
293 u16 test1, test2, test3;
296 v3 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_3);
297 v2 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_2);
298 v1 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_1);
299 v0 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_0);
301 test3 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_3);
302 test2 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_2);
303 test1 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_1);
304 } while (v3 != test3 || v2 != test2 || v1 != test1);
318 void bcm43xx_tsf_write(struct bcm43xx_private *bcm, u64 tsf)
322 status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
323 status |= BCM43xx_SBF_TIME_UPDATE;
324 bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status);
327 /* Be careful with the in-progress timer.
328 * First zero out the low register, so we have a full
329 * register-overflow duration to complete the operation.
331 if (bcm->current_core->rev >= 3) {
332 u32 lo = (tsf & 0x00000000FFFFFFFFULL);
333 u32 hi = (tsf & 0xFFFFFFFF00000000ULL) >> 32;
335 bcm43xx_write32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_LOW, 0);
337 bcm43xx_write32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_HIGH, hi);
339 bcm43xx_write32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_LOW, lo);
341 u16 v0 = (tsf & 0x000000000000FFFFULL);
342 u16 v1 = (tsf & 0x00000000FFFF0000ULL) >> 16;
343 u16 v2 = (tsf & 0x0000FFFF00000000ULL) >> 32;
344 u16 v3 = (tsf & 0xFFFF000000000000ULL) >> 48;
346 bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_0, 0);
348 bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_3, v3);
350 bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_2, v2);
352 bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_1, v1);
354 bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_0, v0);
357 status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
358 status &= ~BCM43xx_SBF_TIME_UPDATE;
359 bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status);
363 void bcm43xx_macfilter_set(struct bcm43xx_private *bcm,
370 bcm43xx_write16(bcm, BCM43xx_MMIO_MACFILTER_CONTROL, offset);
374 bcm43xx_write16(bcm, BCM43xx_MMIO_MACFILTER_DATA, data);
377 bcm43xx_write16(bcm, BCM43xx_MMIO_MACFILTER_DATA, data);
380 bcm43xx_write16(bcm, BCM43xx_MMIO_MACFILTER_DATA, data);
383 static void bcm43xx_macfilter_clear(struct bcm43xx_private *bcm,
386 const u8 zero_addr[ETH_ALEN] = { 0 };
388 bcm43xx_macfilter_set(bcm, offset, zero_addr);
391 static void bcm43xx_write_mac_bssid_templates(struct bcm43xx_private *bcm)
393 const u8 *mac = (const u8 *)(bcm->net_dev->dev_addr);
394 const u8 *bssid = (const u8 *)(bcm->ieee->bssid);
395 u8 mac_bssid[ETH_ALEN * 2];
398 memcpy(mac_bssid, mac, ETH_ALEN);
399 memcpy(mac_bssid + ETH_ALEN, bssid, ETH_ALEN);
401 /* Write our MAC address and BSSID to template ram */
402 for (i = 0; i < ARRAY_SIZE(mac_bssid); i += sizeof(u32))
403 bcm43xx_ram_write(bcm, 0x20 + i, *((u32 *)(mac_bssid + i)));
404 for (i = 0; i < ARRAY_SIZE(mac_bssid); i += sizeof(u32))
405 bcm43xx_ram_write(bcm, 0x78 + i, *((u32 *)(mac_bssid + i)));
406 for (i = 0; i < ARRAY_SIZE(mac_bssid); i += sizeof(u32))
407 bcm43xx_ram_write(bcm, 0x478 + i, *((u32 *)(mac_bssid + i)));
410 //FIXME: Well, we should probably call them from somewhere.
412 static void bcm43xx_set_slot_time(struct bcm43xx_private *bcm, u16 slot_time)
414 /* slot_time is in usec. */
415 if (bcm43xx_current_phy(bcm)->type != BCM43xx_PHYTYPE_G)
417 bcm43xx_write16(bcm, 0x684, 510 + slot_time);
418 bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0010, slot_time);
421 static void bcm43xx_short_slot_timing_enable(struct bcm43xx_private *bcm)
423 bcm43xx_set_slot_time(bcm, 9);
426 static void bcm43xx_short_slot_timing_disable(struct bcm43xx_private *bcm)
428 bcm43xx_set_slot_time(bcm, 20);
432 /* FIXME: To get the MAC-filter working, we need to implement the
433 * following functions (and rename them :)
436 static void bcm43xx_disassociate(struct bcm43xx_private *bcm)
438 bcm43xx_mac_suspend(bcm);
439 bcm43xx_macfilter_clear(bcm, BCM43xx_MACFILTER_ASSOC);
441 bcm43xx_ram_write(bcm, 0x0026, 0x0000);
442 bcm43xx_ram_write(bcm, 0x0028, 0x0000);
443 bcm43xx_ram_write(bcm, 0x007E, 0x0000);
444 bcm43xx_ram_write(bcm, 0x0080, 0x0000);
445 bcm43xx_ram_write(bcm, 0x047E, 0x0000);
446 bcm43xx_ram_write(bcm, 0x0480, 0x0000);
448 if (bcm->current_core->rev < 3) {
449 bcm43xx_write16(bcm, 0x0610, 0x8000);
450 bcm43xx_write16(bcm, 0x060E, 0x0000);
452 bcm43xx_write32(bcm, 0x0188, 0x80000000);
454 bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0004, 0x000003ff);
456 if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_G &&
457 ieee80211_is_ofdm_rate(bcm->softmac->txrates.default_rate))
458 bcm43xx_short_slot_timing_enable(bcm);
460 bcm43xx_mac_enable(bcm);
463 static void bcm43xx_associate(struct bcm43xx_private *bcm,
466 memcpy(bcm->ieee->bssid, mac, ETH_ALEN);
468 bcm43xx_mac_suspend(bcm);
469 bcm43xx_macfilter_set(bcm, BCM43xx_MACFILTER_ASSOC, mac);
470 bcm43xx_write_mac_bssid_templates(bcm);
471 bcm43xx_mac_enable(bcm);
475 /* Enable a Generic IRQ. "mask" is the mask of which IRQs to enable.
476 * Returns the _previously_ enabled IRQ mask.
478 static inline u32 bcm43xx_interrupt_enable(struct bcm43xx_private *bcm, u32 mask)
482 old_mask = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK);
483 bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK, old_mask | mask);
488 /* Disable a Generic IRQ. "mask" is the mask of which IRQs to disable.
489 * Returns the _previously_ enabled IRQ mask.
491 static inline u32 bcm43xx_interrupt_disable(struct bcm43xx_private *bcm, u32 mask)
495 old_mask = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK);
496 bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK, old_mask & ~mask);
501 /* Synchronize IRQ top- and bottom-half.
502 * IRQs must be masked before calling this.
503 * This must not be called with the irq_lock held.
505 static void bcm43xx_synchronize_irq(struct bcm43xx_private *bcm)
507 synchronize_irq(bcm->irq);
508 tasklet_disable(&bcm->isr_tasklet);
511 /* Make sure we don't receive more data from the device. */
512 static int bcm43xx_disable_interrupts_sync(struct bcm43xx_private *bcm)
516 spin_lock_irqsave(&bcm->irq_lock, flags);
517 if (unlikely(bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED)) {
518 spin_unlock_irqrestore(&bcm->irq_lock, flags);
521 bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL);
522 bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK); /* flush */
523 spin_unlock_irqrestore(&bcm->irq_lock, flags);
524 bcm43xx_synchronize_irq(bcm);
529 static int bcm43xx_read_radioinfo(struct bcm43xx_private *bcm)
531 struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
532 struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
538 if (bcm->chip_id == 0x4317) {
539 if (bcm->chip_rev == 0x00)
540 radio_id = 0x3205017F;
541 else if (bcm->chip_rev == 0x01)
542 radio_id = 0x4205017F;
544 radio_id = 0x5205017F;
546 bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_CONTROL, BCM43xx_RADIOCTL_ID);
547 radio_id = bcm43xx_read16(bcm, BCM43xx_MMIO_RADIO_DATA_HIGH);
549 bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_CONTROL, BCM43xx_RADIOCTL_ID);
550 radio_id |= bcm43xx_read16(bcm, BCM43xx_MMIO_RADIO_DATA_LOW);
553 manufact = (radio_id & 0x00000FFF);
554 version = (radio_id & 0x0FFFF000) >> 12;
555 revision = (radio_id & 0xF0000000) >> 28;
557 dprintk(KERN_INFO PFX "Detected Radio: ID: %x (Manuf: %x Ver: %x Rev: %x)\n",
558 radio_id, manufact, version, revision);
561 case BCM43xx_PHYTYPE_A:
562 if ((version != 0x2060) || (revision != 1) || (manufact != 0x17f))
563 goto err_unsupported_radio;
565 case BCM43xx_PHYTYPE_B:
566 if ((version & 0xFFF0) != 0x2050)
567 goto err_unsupported_radio;
569 case BCM43xx_PHYTYPE_G:
570 if (version != 0x2050)
571 goto err_unsupported_radio;
575 radio->manufact = manufact;
576 radio->version = version;
577 radio->revision = revision;
579 if (phy->type == BCM43xx_PHYTYPE_A)
580 radio->txpower_desired = bcm->sprom.maxpower_aphy;
582 radio->txpower_desired = bcm->sprom.maxpower_bgphy;
586 err_unsupported_radio:
587 printk(KERN_ERR PFX "Unsupported Radio connected to the PHY!\n");
591 static const char * bcm43xx_locale_iso(u8 locale)
593 /* ISO 3166-1 country codes.
594 * Note that there aren't ISO 3166-1 codes for
595 * all or locales. (Not all locales are countries)
598 case BCM43xx_LOCALE_WORLD:
599 case BCM43xx_LOCALE_ALL:
601 case BCM43xx_LOCALE_THAILAND:
603 case BCM43xx_LOCALE_ISRAEL:
605 case BCM43xx_LOCALE_JORDAN:
607 case BCM43xx_LOCALE_CHINA:
609 case BCM43xx_LOCALE_JAPAN:
610 case BCM43xx_LOCALE_JAPAN_HIGH:
612 case BCM43xx_LOCALE_USA_CANADA_ANZ:
613 case BCM43xx_LOCALE_USA_LOW:
615 case BCM43xx_LOCALE_EUROPE:
617 case BCM43xx_LOCALE_NONE:
624 static const char * bcm43xx_locale_string(u8 locale)
627 case BCM43xx_LOCALE_WORLD:
629 case BCM43xx_LOCALE_THAILAND:
631 case BCM43xx_LOCALE_ISRAEL:
633 case BCM43xx_LOCALE_JORDAN:
635 case BCM43xx_LOCALE_CHINA:
637 case BCM43xx_LOCALE_JAPAN:
639 case BCM43xx_LOCALE_USA_CANADA_ANZ:
640 return "USA/Canada/ANZ";
641 case BCM43xx_LOCALE_EUROPE:
643 case BCM43xx_LOCALE_USA_LOW:
645 case BCM43xx_LOCALE_JAPAN_HIGH:
647 case BCM43xx_LOCALE_ALL:
649 case BCM43xx_LOCALE_NONE:
656 static inline u8 bcm43xx_crc8(u8 crc, u8 data)
658 static const u8 t[] = {
659 0x00, 0xF7, 0xB9, 0x4E, 0x25, 0xD2, 0x9C, 0x6B,
660 0x4A, 0xBD, 0xF3, 0x04, 0x6F, 0x98, 0xD6, 0x21,
661 0x94, 0x63, 0x2D, 0xDA, 0xB1, 0x46, 0x08, 0xFF,
662 0xDE, 0x29, 0x67, 0x90, 0xFB, 0x0C, 0x42, 0xB5,
663 0x7F, 0x88, 0xC6, 0x31, 0x5A, 0xAD, 0xE3, 0x14,
664 0x35, 0xC2, 0x8C, 0x7B, 0x10, 0xE7, 0xA9, 0x5E,
665 0xEB, 0x1C, 0x52, 0xA5, 0xCE, 0x39, 0x77, 0x80,
666 0xA1, 0x56, 0x18, 0xEF, 0x84, 0x73, 0x3D, 0xCA,
667 0xFE, 0x09, 0x47, 0xB0, 0xDB, 0x2C, 0x62, 0x95,
668 0xB4, 0x43, 0x0D, 0xFA, 0x91, 0x66, 0x28, 0xDF,
669 0x6A, 0x9D, 0xD3, 0x24, 0x4F, 0xB8, 0xF6, 0x01,
670 0x20, 0xD7, 0x99, 0x6E, 0x05, 0xF2, 0xBC, 0x4B,
671 0x81, 0x76, 0x38, 0xCF, 0xA4, 0x53, 0x1D, 0xEA,
672 0xCB, 0x3C, 0x72, 0x85, 0xEE, 0x19, 0x57, 0xA0,
673 0x15, 0xE2, 0xAC, 0x5B, 0x30, 0xC7, 0x89, 0x7E,
674 0x5F, 0xA8, 0xE6, 0x11, 0x7A, 0x8D, 0xC3, 0x34,
675 0xAB, 0x5C, 0x12, 0xE5, 0x8E, 0x79, 0x37, 0xC0,
676 0xE1, 0x16, 0x58, 0xAF, 0xC4, 0x33, 0x7D, 0x8A,
677 0x3F, 0xC8, 0x86, 0x71, 0x1A, 0xED, 0xA3, 0x54,
678 0x75, 0x82, 0xCC, 0x3B, 0x50, 0xA7, 0xE9, 0x1E,
679 0xD4, 0x23, 0x6D, 0x9A, 0xF1, 0x06, 0x48, 0xBF,
680 0x9E, 0x69, 0x27, 0xD0, 0xBB, 0x4C, 0x02, 0xF5,
681 0x40, 0xB7, 0xF9, 0x0E, 0x65, 0x92, 0xDC, 0x2B,
682 0x0A, 0xFD, 0xB3, 0x44, 0x2F, 0xD8, 0x96, 0x61,
683 0x55, 0xA2, 0xEC, 0x1B, 0x70, 0x87, 0xC9, 0x3E,
684 0x1F, 0xE8, 0xA6, 0x51, 0x3A, 0xCD, 0x83, 0x74,
685 0xC1, 0x36, 0x78, 0x8F, 0xE4, 0x13, 0x5D, 0xAA,
686 0x8B, 0x7C, 0x32, 0xC5, 0xAE, 0x59, 0x17, 0xE0,
687 0x2A, 0xDD, 0x93, 0x64, 0x0F, 0xF8, 0xB6, 0x41,
688 0x60, 0x97, 0xD9, 0x2E, 0x45, 0xB2, 0xFC, 0x0B,
689 0xBE, 0x49, 0x07, 0xF0, 0x9B, 0x6C, 0x22, 0xD5,
690 0xF4, 0x03, 0x4D, 0xBA, 0xD1, 0x26, 0x68, 0x9F,
692 return t[crc ^ data];
695 static u8 bcm43xx_sprom_crc(const u16 *sprom)
700 for (word = 0; word < BCM43xx_SPROM_SIZE - 1; word++) {
701 crc = bcm43xx_crc8(crc, sprom[word] & 0x00FF);
702 crc = bcm43xx_crc8(crc, (sprom[word] & 0xFF00) >> 8);
704 crc = bcm43xx_crc8(crc, sprom[BCM43xx_SPROM_VERSION] & 0x00FF);
710 int bcm43xx_sprom_read(struct bcm43xx_private *bcm, u16 *sprom)
713 u8 crc, expected_crc;
715 for (i = 0; i < BCM43xx_SPROM_SIZE; i++)
716 sprom[i] = bcm43xx_read16(bcm, BCM43xx_SPROM_BASE + (i * 2));
718 crc = bcm43xx_sprom_crc(sprom);
719 expected_crc = (sprom[BCM43xx_SPROM_VERSION] & 0xFF00) >> 8;
720 if (crc != expected_crc) {
721 printk(KERN_WARNING PFX "WARNING: Invalid SPROM checksum "
722 "(0x%02X, expected: 0x%02X)\n",
730 int bcm43xx_sprom_write(struct bcm43xx_private *bcm, const u16 *sprom)
733 u8 crc, expected_crc;
736 /* CRC-8 validation of the input data. */
737 crc = bcm43xx_sprom_crc(sprom);
738 expected_crc = (sprom[BCM43xx_SPROM_VERSION] & 0xFF00) >> 8;
739 if (crc != expected_crc) {
740 printk(KERN_ERR PFX "SPROM input data: Invalid CRC\n");
744 printk(KERN_INFO PFX "Writing SPROM. Do NOT turn off the power! Please stand by...\n");
745 err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCICFG_SPROMCTL, &spromctl);
748 spromctl |= 0x10; /* SPROM WRITE enable. */
749 err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_SPROMCTL, spromctl);
752 /* We must burn lots of CPU cycles here, but that does not
753 * really matter as one does not write the SPROM every other minute...
755 printk(KERN_INFO PFX "[ 0%%");
757 for (i = 0; i < BCM43xx_SPROM_SIZE; i++) {
766 bcm43xx_write16(bcm, BCM43xx_SPROM_BASE + (i * 2), sprom[i]);
770 spromctl &= ~0x10; /* SPROM WRITE enable. */
771 err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_SPROMCTL, spromctl);
776 printk(KERN_INFO PFX "SPROM written.\n");
777 bcm43xx_controller_restart(bcm, "SPROM update");
781 printk(KERN_ERR PFX "Could not access SPROM control register.\n");
785 static int bcm43xx_sprom_extract(struct bcm43xx_private *bcm)
789 #ifdef CONFIG_BCM947XX
793 sprom = kzalloc(BCM43xx_SPROM_SIZE * sizeof(u16),
796 printk(KERN_ERR PFX "sprom_extract OOM\n");
799 #ifdef CONFIG_BCM947XX
800 sprom[BCM43xx_SPROM_BOARDFLAGS2] = atoi(nvram_get("boardflags2"));
801 sprom[BCM43xx_SPROM_BOARDFLAGS] = atoi(nvram_get("boardflags"));
803 if ((c = nvram_get("il0macaddr")) != NULL)
804 e_aton(c, (char *) &(sprom[BCM43xx_SPROM_IL0MACADDR]));
806 if ((c = nvram_get("et1macaddr")) != NULL)
807 e_aton(c, (char *) &(sprom[BCM43xx_SPROM_ET1MACADDR]));
809 sprom[BCM43xx_SPROM_PA0B0] = atoi(nvram_get("pa0b0"));
810 sprom[BCM43xx_SPROM_PA0B1] = atoi(nvram_get("pa0b1"));
811 sprom[BCM43xx_SPROM_PA0B2] = atoi(nvram_get("pa0b2"));
813 sprom[BCM43xx_SPROM_PA1B0] = atoi(nvram_get("pa1b0"));
814 sprom[BCM43xx_SPROM_PA1B1] = atoi(nvram_get("pa1b1"));
815 sprom[BCM43xx_SPROM_PA1B2] = atoi(nvram_get("pa1b2"));
817 sprom[BCM43xx_SPROM_BOARDREV] = atoi(nvram_get("boardrev"));
819 bcm43xx_sprom_read(bcm, sprom);
823 value = sprom[BCM43xx_SPROM_BOARDFLAGS2];
824 bcm->sprom.boardflags2 = value;
827 value = sprom[BCM43xx_SPROM_IL0MACADDR + 0];
828 *(((u16 *)bcm->sprom.il0macaddr) + 0) = cpu_to_be16(value);
829 value = sprom[BCM43xx_SPROM_IL0MACADDR + 1];
830 *(((u16 *)bcm->sprom.il0macaddr) + 1) = cpu_to_be16(value);
831 value = sprom[BCM43xx_SPROM_IL0MACADDR + 2];
832 *(((u16 *)bcm->sprom.il0macaddr) + 2) = cpu_to_be16(value);
835 value = sprom[BCM43xx_SPROM_ET0MACADDR + 0];
836 *(((u16 *)bcm->sprom.et0macaddr) + 0) = cpu_to_be16(value);
837 value = sprom[BCM43xx_SPROM_ET0MACADDR + 1];
838 *(((u16 *)bcm->sprom.et0macaddr) + 1) = cpu_to_be16(value);
839 value = sprom[BCM43xx_SPROM_ET0MACADDR + 2];
840 *(((u16 *)bcm->sprom.et0macaddr) + 2) = cpu_to_be16(value);
843 value = sprom[BCM43xx_SPROM_ET1MACADDR + 0];
844 *(((u16 *)bcm->sprom.et1macaddr) + 0) = cpu_to_be16(value);
845 value = sprom[BCM43xx_SPROM_ET1MACADDR + 1];
846 *(((u16 *)bcm->sprom.et1macaddr) + 1) = cpu_to_be16(value);
847 value = sprom[BCM43xx_SPROM_ET1MACADDR + 2];
848 *(((u16 *)bcm->sprom.et1macaddr) + 2) = cpu_to_be16(value);
850 /* ethernet phy settings */
851 value = sprom[BCM43xx_SPROM_ETHPHY];
852 bcm->sprom.et0phyaddr = (value & 0x001F);
853 bcm->sprom.et1phyaddr = (value & 0x03E0) >> 5;
854 bcm->sprom.et0mdcport = (value & (1 << 14)) >> 14;
855 bcm->sprom.et1mdcport = (value & (1 << 15)) >> 15;
857 /* boardrev, antennas, locale */
858 value = sprom[BCM43xx_SPROM_BOARDREV];
859 bcm->sprom.boardrev = (value & 0x00FF);
860 bcm->sprom.locale = (value & 0x0F00) >> 8;
861 bcm->sprom.antennas_aphy = (value & 0x3000) >> 12;
862 bcm->sprom.antennas_bgphy = (value & 0xC000) >> 14;
863 if (modparam_locale != -1) {
864 if (modparam_locale >= 0 && modparam_locale <= 11) {
865 bcm->sprom.locale = modparam_locale;
866 printk(KERN_WARNING PFX "Operating with modified "
867 "LocaleCode %u (%s)\n",
869 bcm43xx_locale_string(bcm->sprom.locale));
871 printk(KERN_WARNING PFX "Module parameter \"locale\" "
872 "invalid value. (0 - 11)\n");
877 value = sprom[BCM43xx_SPROM_PA0B0];
878 bcm->sprom.pa0b0 = value;
879 value = sprom[BCM43xx_SPROM_PA0B1];
880 bcm->sprom.pa0b1 = value;
881 value = sprom[BCM43xx_SPROM_PA0B2];
882 bcm->sprom.pa0b2 = value;
885 value = sprom[BCM43xx_SPROM_WL0GPIO0];
888 bcm->sprom.wl0gpio0 = value & 0x00FF;
889 bcm->sprom.wl0gpio1 = (value & 0xFF00) >> 8;
890 value = sprom[BCM43xx_SPROM_WL0GPIO2];
893 bcm->sprom.wl0gpio2 = value & 0x00FF;
894 bcm->sprom.wl0gpio3 = (value & 0xFF00) >> 8;
897 value = sprom[BCM43xx_SPROM_MAXPWR];
898 bcm->sprom.maxpower_aphy = (value & 0xFF00) >> 8;
899 bcm->sprom.maxpower_bgphy = value & 0x00FF;
902 value = sprom[BCM43xx_SPROM_PA1B0];
903 bcm->sprom.pa1b0 = value;
904 value = sprom[BCM43xx_SPROM_PA1B1];
905 bcm->sprom.pa1b1 = value;
906 value = sprom[BCM43xx_SPROM_PA1B2];
907 bcm->sprom.pa1b2 = value;
909 /* idle tssi target */
910 value = sprom[BCM43xx_SPROM_IDL_TSSI_TGT];
911 bcm->sprom.idle_tssi_tgt_aphy = value & 0x00FF;
912 bcm->sprom.idle_tssi_tgt_bgphy = (value & 0xFF00) >> 8;
915 value = sprom[BCM43xx_SPROM_BOARDFLAGS];
918 bcm->sprom.boardflags = value;
919 /* boardflags workarounds */
920 if (bcm->board_vendor == PCI_VENDOR_ID_DELL &&
921 bcm->chip_id == 0x4301 &&
922 bcm->board_revision == 0x74)
923 bcm->sprom.boardflags |= BCM43xx_BFL_BTCOEXIST;
924 if (bcm->board_vendor == PCI_VENDOR_ID_APPLE &&
925 bcm->board_type == 0x4E &&
926 bcm->board_revision > 0x40)
927 bcm->sprom.boardflags |= BCM43xx_BFL_PACTRL;
930 value = sprom[BCM43xx_SPROM_ANTENNA_GAIN];
931 if (value == 0x0000 || value == 0xFFFF)
933 /* convert values to Q5.2 */
934 bcm->sprom.antennagain_aphy = ((value & 0xFF00) >> 8) * 4;
935 bcm->sprom.antennagain_bgphy = (value & 0x00FF) * 4;
942 static int bcm43xx_geo_init(struct bcm43xx_private *bcm)
944 struct ieee80211_geo *geo;
945 struct ieee80211_channel *chan;
946 int have_a = 0, have_bg = 0;
949 struct bcm43xx_phyinfo *phy;
950 const char *iso_country;
952 geo = kzalloc(sizeof(*geo), GFP_KERNEL);
956 for (i = 0; i < bcm->nr_80211_available; i++) {
957 phy = &(bcm->core_80211_ext[i].phy);
959 case BCM43xx_PHYTYPE_B:
960 case BCM43xx_PHYTYPE_G:
963 case BCM43xx_PHYTYPE_A:
970 iso_country = bcm43xx_locale_iso(bcm->sprom.locale);
973 for (i = 0, channel = IEEE80211_52GHZ_MIN_CHANNEL;
974 channel <= IEEE80211_52GHZ_MAX_CHANNEL; channel++) {
976 chan->freq = bcm43xx_channel_to_freq_a(channel);
977 chan->channel = channel;
982 for (i = 0, channel = IEEE80211_24GHZ_MIN_CHANNEL;
983 channel <= IEEE80211_24GHZ_MAX_CHANNEL; channel++) {
984 chan = &geo->bg[i++];
985 chan->freq = bcm43xx_channel_to_freq_bg(channel);
986 chan->channel = channel;
988 geo->bg_channels = i;
990 memcpy(geo->name, iso_country, 2);
991 if (0 /*TODO: Outdoor use only */)
993 else if (0 /*TODO: Indoor use only */)
999 ieee80211_set_geo(bcm->ieee, geo);
1005 /* DummyTransmission function, as documented on
1006 * http://bcm-specs.sipsolutions.net/DummyTransmission
1008 void bcm43xx_dummy_transmission(struct bcm43xx_private *bcm)
1010 struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
1011 struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
1012 unsigned int i, max_loop;
1022 switch (phy->type) {
1023 case BCM43xx_PHYTYPE_A:
1025 buffer[0] = 0xCC010200;
1027 case BCM43xx_PHYTYPE_B:
1028 case BCM43xx_PHYTYPE_G:
1030 buffer[0] = 0x6E840B00;
1037 for (i = 0; i < 5; i++)
1038 bcm43xx_ram_write(bcm, i * 4, buffer[i]);
1040 bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); /* dummy read */
1042 bcm43xx_write16(bcm, 0x0568, 0x0000);
1043 bcm43xx_write16(bcm, 0x07C0, 0x0000);
1044 bcm43xx_write16(bcm, 0x050C, ((phy->type == BCM43xx_PHYTYPE_A) ? 1 : 0));
1045 bcm43xx_write16(bcm, 0x0508, 0x0000);
1046 bcm43xx_write16(bcm, 0x050A, 0x0000);
1047 bcm43xx_write16(bcm, 0x054C, 0x0000);
1048 bcm43xx_write16(bcm, 0x056A, 0x0014);
1049 bcm43xx_write16(bcm, 0x0568, 0x0826);
1050 bcm43xx_write16(bcm, 0x0500, 0x0000);
1051 bcm43xx_write16(bcm, 0x0502, 0x0030);
1053 if (radio->version == 0x2050 && radio->revision <= 0x5)
1054 bcm43xx_radio_write16(bcm, 0x0051, 0x0017);
1055 for (i = 0x00; i < max_loop; i++) {
1056 value = bcm43xx_read16(bcm, 0x050E);
1061 for (i = 0x00; i < 0x0A; i++) {
1062 value = bcm43xx_read16(bcm, 0x050E);
1067 for (i = 0x00; i < 0x0A; i++) {
1068 value = bcm43xx_read16(bcm, 0x0690);
1069 if (!(value & 0x0100))
1073 if (radio->version == 0x2050 && radio->revision <= 0x5)
1074 bcm43xx_radio_write16(bcm, 0x0051, 0x0037);
1077 static void key_write(struct bcm43xx_private *bcm,
1078 u8 index, u8 algorithm, const u16 *key)
1080 unsigned int i, basic_wep = 0;
1084 /* Write associated key information */
1085 bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x100 + (index * 2),
1086 ((index << 4) | (algorithm & 0x0F)));
1088 /* The first 4 WEP keys need extra love */
1089 if (((algorithm == BCM43xx_SEC_ALGO_WEP) ||
1090 (algorithm == BCM43xx_SEC_ALGO_WEP104)) && (index < 4))
1093 /* Write key payload, 8 little endian words */
1094 offset = bcm->security_offset + (index * BCM43xx_SEC_KEYSIZE);
1095 for (i = 0; i < (BCM43xx_SEC_KEYSIZE / sizeof(u16)); i++) {
1096 value = cpu_to_le16(key[i]);
1097 bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED,
1098 offset + (i * 2), value);
1103 bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED,
1104 offset + (i * 2) + 4 * BCM43xx_SEC_KEYSIZE,
1109 static void keymac_write(struct bcm43xx_private *bcm,
1110 u8 index, const u32 *addr)
1112 /* for keys 0-3 there is no associated mac address */
1117 if (bcm->current_core->rev >= 5) {
1118 bcm43xx_shm_write32(bcm,
1121 cpu_to_be32(*addr));
1122 bcm43xx_shm_write16(bcm,
1125 cpu_to_be16(*((u16 *)(addr + 1))));
1128 TODO(); /* Put them in the macaddress filter */
1131 /* Put them BCM43xx_SHM_SHARED, stating index 0x0120.
1132 Keep in mind to update the count of keymacs in 0x003E as well! */
1137 static int bcm43xx_key_write(struct bcm43xx_private *bcm,
1138 u8 index, u8 algorithm,
1139 const u8 *_key, int key_len,
1142 u8 key[BCM43xx_SEC_KEYSIZE] = { 0 };
1144 if (index >= ARRAY_SIZE(bcm->key))
1146 if (key_len > ARRAY_SIZE(key))
1148 if (algorithm < 1 || algorithm > 5)
1151 memcpy(key, _key, key_len);
1152 key_write(bcm, index, algorithm, (const u16 *)key);
1153 keymac_write(bcm, index, (const u32 *)mac_addr);
1155 bcm->key[index].algorithm = algorithm;
1160 static void bcm43xx_clear_keys(struct bcm43xx_private *bcm)
1162 static const u32 zero_mac[2] = { 0 };
1163 unsigned int i,j, nr_keys = 54;
1166 if (bcm->current_core->rev < 5)
1168 assert(nr_keys <= ARRAY_SIZE(bcm->key));
1170 for (i = 0; i < nr_keys; i++) {
1171 bcm->key[i].enabled = 0;
1172 /* returns for i < 4 immediately */
1173 keymac_write(bcm, i, zero_mac);
1174 bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED,
1175 0x100 + (i * 2), 0x0000);
1176 for (j = 0; j < 8; j++) {
1177 offset = bcm->security_offset + (j * 4) + (i * BCM43xx_SEC_KEYSIZE);
1178 bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED,
1182 dprintk(KERN_INFO PFX "Keys cleared\n");
1185 /* Lowlevel core-switch function. This is only to be used in
1186 * bcm43xx_switch_core() and bcm43xx_probe_cores()
1188 static int _switch_core(struct bcm43xx_private *bcm, int core)
1196 err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_ACTIVE_CORE,
1197 (core * 0x1000) + 0x18000000);
1200 err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCICFG_ACTIVE_CORE,
1204 current_core = (current_core - 0x18000000) / 0x1000;
1205 if (current_core == core)
1208 if (unlikely(attempts++ > BCM43xx_SWITCH_CORE_MAX_RETRIES))
1212 #ifdef CONFIG_BCM947XX
1213 if (bcm->pci_dev->bus->number == 0)
1214 bcm->current_core_offset = 0x1000 * core;
1216 bcm->current_core_offset = 0;
1221 printk(KERN_ERR PFX "Failed to switch to core %d\n", core);
1225 int bcm43xx_switch_core(struct bcm43xx_private *bcm, struct bcm43xx_coreinfo *new_core)
1229 if (unlikely(!new_core))
1231 if (!new_core->available)
1233 if (bcm->current_core == new_core)
1235 err = _switch_core(bcm, new_core->index);
1239 bcm->current_core = new_core;
1244 static int bcm43xx_core_enabled(struct bcm43xx_private *bcm)
1248 value = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
1249 value &= BCM43xx_SBTMSTATELOW_CLOCK | BCM43xx_SBTMSTATELOW_RESET
1250 | BCM43xx_SBTMSTATELOW_REJECT;
1252 return (value == BCM43xx_SBTMSTATELOW_CLOCK);
1255 /* disable current core */
1256 static int bcm43xx_core_disable(struct bcm43xx_private *bcm, u32 core_flags)
1262 /* fetch sbtmstatelow from core information registers */
1263 sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
1265 /* core is already in reset */
1266 if (sbtmstatelow & BCM43xx_SBTMSTATELOW_RESET)
1269 if (sbtmstatelow & BCM43xx_SBTMSTATELOW_CLOCK) {
1270 sbtmstatelow = BCM43xx_SBTMSTATELOW_CLOCK |
1271 BCM43xx_SBTMSTATELOW_REJECT;
1272 bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow);
1274 for (i = 0; i < 1000; i++) {
1275 sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
1276 if (sbtmstatelow & BCM43xx_SBTMSTATELOW_REJECT) {
1283 printk(KERN_ERR PFX "Error: core_disable() REJECT timeout!\n");
1287 for (i = 0; i < 1000; i++) {
1288 sbtmstatehigh = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH);
1289 if (!(sbtmstatehigh & BCM43xx_SBTMSTATEHIGH_BUSY)) {
1296 printk(KERN_ERR PFX "Error: core_disable() BUSY timeout!\n");
1300 sbtmstatelow = BCM43xx_SBTMSTATELOW_FORCE_GATE_CLOCK |
1301 BCM43xx_SBTMSTATELOW_REJECT |
1302 BCM43xx_SBTMSTATELOW_RESET |
1303 BCM43xx_SBTMSTATELOW_CLOCK |
1305 bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow);
1309 sbtmstatelow = BCM43xx_SBTMSTATELOW_RESET |
1310 BCM43xx_SBTMSTATELOW_REJECT |
1312 bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow);
1315 bcm->current_core->enabled = 0;
1320 /* enable (reset) current core */
1321 static int bcm43xx_core_enable(struct bcm43xx_private *bcm, u32 core_flags)
1328 err = bcm43xx_core_disable(bcm, core_flags);
1332 sbtmstatelow = BCM43xx_SBTMSTATELOW_CLOCK |
1333 BCM43xx_SBTMSTATELOW_RESET |
1334 BCM43xx_SBTMSTATELOW_FORCE_GATE_CLOCK |
1336 bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow);
1339 sbtmstatehigh = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH);
1340 if (sbtmstatehigh & BCM43xx_SBTMSTATEHIGH_SERROR) {
1341 sbtmstatehigh = 0x00000000;
1342 bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATEHIGH, sbtmstatehigh);
1345 sbimstate = bcm43xx_read32(bcm, BCM43xx_CIR_SBIMSTATE);
1346 if (sbimstate & (BCM43xx_SBIMSTATE_IB_ERROR | BCM43xx_SBIMSTATE_TIMEOUT)) {
1347 sbimstate &= ~(BCM43xx_SBIMSTATE_IB_ERROR | BCM43xx_SBIMSTATE_TIMEOUT);
1348 bcm43xx_write32(bcm, BCM43xx_CIR_SBIMSTATE, sbimstate);
1351 sbtmstatelow = BCM43xx_SBTMSTATELOW_CLOCK |
1352 BCM43xx_SBTMSTATELOW_FORCE_GATE_CLOCK |
1354 bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow);
1357 sbtmstatelow = BCM43xx_SBTMSTATELOW_CLOCK | core_flags;
1358 bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow);
1361 bcm->current_core->enabled = 1;
1367 /* http://bcm-specs.sipsolutions.net/80211CoreReset */
1368 void bcm43xx_wireless_core_reset(struct bcm43xx_private *bcm, int connect_phy)
1370 u32 flags = 0x00040000;
1372 if ((bcm43xx_core_enabled(bcm)) &&
1373 !bcm43xx_using_pio(bcm)) {
1374 //FIXME: Do we _really_ want #ifndef CONFIG_BCM947XX here?
1376 #ifndef CONFIG_BCM947XX
1377 /* reset all used DMA controllers. */
1378 bcm43xx_dmacontroller_tx_reset(bcm, BCM43xx_MMIO_DMA1_BASE);
1379 bcm43xx_dmacontroller_tx_reset(bcm, BCM43xx_MMIO_DMA2_BASE);
1380 bcm43xx_dmacontroller_tx_reset(bcm, BCM43xx_MMIO_DMA3_BASE);
1381 bcm43xx_dmacontroller_tx_reset(bcm, BCM43xx_MMIO_DMA4_BASE);
1382 bcm43xx_dmacontroller_rx_reset(bcm, BCM43xx_MMIO_DMA1_BASE);
1383 if (bcm->current_core->rev < 5)
1384 bcm43xx_dmacontroller_rx_reset(bcm, BCM43xx_MMIO_DMA4_BASE);
1388 if (bcm43xx_status(bcm) == BCM43xx_STAT_SHUTTINGDOWN) {
1389 bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD,
1390 bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD)
1391 & ~(BCM43xx_SBF_MAC_ENABLED | 0x00000002));
1394 flags |= 0x20000000;
1395 bcm43xx_phy_connect(bcm, connect_phy);
1396 bcm43xx_core_enable(bcm, flags);
1397 bcm43xx_write16(bcm, 0x03E6, 0x0000);
1398 bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD,
1399 bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD)
1404 static void bcm43xx_wireless_core_disable(struct bcm43xx_private *bcm)
1406 bcm43xx_radio_turn_off(bcm);
1407 bcm43xx_write16(bcm, 0x03E6, 0x00F4);
1408 bcm43xx_core_disable(bcm, 0);
1411 /* Mark the current 80211 core inactive. */
1412 static void bcm43xx_wireless_core_mark_inactive(struct bcm43xx_private *bcm)
1416 bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL);
1417 bcm43xx_radio_turn_off(bcm);
1418 sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
1419 sbtmstatelow &= 0xDFF5FFFF;
1420 sbtmstatelow |= 0x000A0000;
1421 bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow);
1423 sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
1424 sbtmstatelow &= 0xFFF5FFFF;
1425 sbtmstatelow |= 0x00080000;
1426 bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow);
1430 static void handle_irq_transmit_status(struct bcm43xx_private *bcm)
1434 struct bcm43xx_xmitstatus stat;
1437 v0 = bcm43xx_read32(bcm, BCM43xx_MMIO_XMITSTAT_0);
1440 v1 = bcm43xx_read32(bcm, BCM43xx_MMIO_XMITSTAT_1);
1442 stat.cookie = (v0 >> 16) & 0x0000FFFF;
1443 tmp = (u16)((v0 & 0xFFF0) | ((v0 & 0xF) >> 1));
1444 stat.flags = tmp & 0xFF;
1445 stat.cnt1 = (tmp & 0x0F00) >> 8;
1446 stat.cnt2 = (tmp & 0xF000) >> 12;
1447 stat.seq = (u16)(v1 & 0xFFFF);
1448 stat.unknown = (u16)((v1 >> 16) & 0xFF);
1450 bcm43xx_debugfs_log_txstat(bcm, &stat);
1452 if (stat.flags & BCM43xx_TXSTAT_FLAG_IGNORE)
1454 if (!(stat.flags & BCM43xx_TXSTAT_FLAG_ACK)) {
1455 //TODO: packet was not acked (was lost)
1457 //TODO: There are more (unknown) flags to test. see bcm43xx_main.h
1459 if (bcm43xx_using_pio(bcm))
1460 bcm43xx_pio_handle_xmitstatus(bcm, &stat);
1462 bcm43xx_dma_handle_xmitstatus(bcm, &stat);
1466 static void drain_txstatus_queue(struct bcm43xx_private *bcm)
1470 if (bcm->current_core->rev < 5)
1472 /* Read all entries from the microcode TXstatus FIFO
1473 * and throw them away.
1476 dummy = bcm43xx_read32(bcm, BCM43xx_MMIO_XMITSTAT_0);
1479 dummy = bcm43xx_read32(bcm, BCM43xx_MMIO_XMITSTAT_1);
1483 static void bcm43xx_generate_noise_sample(struct bcm43xx_private *bcm)
1485 bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x408, 0x7F7F);
1486 bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x40A, 0x7F7F);
1487 bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD,
1488 bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD) | (1 << 4));
1489 assert(bcm->noisecalc.core_at_start == bcm->current_core);
1490 assert(bcm->noisecalc.channel_at_start == bcm43xx_current_radio(bcm)->channel);
1493 static void bcm43xx_calculate_link_quality(struct bcm43xx_private *bcm)
1495 /* Top half of Link Quality calculation. */
1497 if (bcm->noisecalc.calculation_running)
1499 bcm->noisecalc.core_at_start = bcm->current_core;
1500 bcm->noisecalc.channel_at_start = bcm43xx_current_radio(bcm)->channel;
1501 bcm->noisecalc.calculation_running = 1;
1502 bcm->noisecalc.nr_samples = 0;
1504 bcm43xx_generate_noise_sample(bcm);
1507 static void handle_irq_noise(struct bcm43xx_private *bcm)
1509 struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
1515 /* Bottom half of Link Quality calculation. */
1517 assert(bcm->noisecalc.calculation_running);
1518 if (bcm->noisecalc.core_at_start != bcm->current_core ||
1519 bcm->noisecalc.channel_at_start != radio->channel)
1520 goto drop_calculation;
1521 tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x408);
1522 noise[0] = (tmp & 0x00FF);
1523 noise[1] = (tmp & 0xFF00) >> 8;
1524 tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x40A);
1525 noise[2] = (tmp & 0x00FF);
1526 noise[3] = (tmp & 0xFF00) >> 8;
1527 if (noise[0] == 0x7F || noise[1] == 0x7F ||
1528 noise[2] == 0x7F || noise[3] == 0x7F)
1531 /* Get the noise samples. */
1532 assert(bcm->noisecalc.nr_samples < 8);
1533 i = bcm->noisecalc.nr_samples;
1534 noise[0] = limit_value(noise[0], 0, ARRAY_SIZE(radio->nrssi_lt) - 1);
1535 noise[1] = limit_value(noise[1], 0, ARRAY_SIZE(radio->nrssi_lt) - 1);
1536 noise[2] = limit_value(noise[2], 0, ARRAY_SIZE(radio->nrssi_lt) - 1);
1537 noise[3] = limit_value(noise[3], 0, ARRAY_SIZE(radio->nrssi_lt) - 1);
1538 bcm->noisecalc.samples[i][0] = radio->nrssi_lt[noise[0]];
1539 bcm->noisecalc.samples[i][1] = radio->nrssi_lt[noise[1]];
1540 bcm->noisecalc.samples[i][2] = radio->nrssi_lt[noise[2]];
1541 bcm->noisecalc.samples[i][3] = radio->nrssi_lt[noise[3]];
1542 bcm->noisecalc.nr_samples++;
1543 if (bcm->noisecalc.nr_samples == 8) {
1544 /* Calculate the Link Quality by the noise samples. */
1546 for (i = 0; i < 8; i++) {
1547 for (j = 0; j < 4; j++)
1548 average += bcm->noisecalc.samples[i][j];
1555 tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x40C);
1556 tmp = (tmp / 128) & 0x1F;
1566 bcm->stats.noise = average;
1568 bcm->noisecalc.calculation_running = 0;
1572 bcm43xx_generate_noise_sample(bcm);
1575 static void handle_irq_ps(struct bcm43xx_private *bcm)
1577 if (bcm->ieee->iw_mode == IW_MODE_MASTER) {
1580 if (1/*FIXME: the last PSpoll frame was sent successfully */)
1581 bcm43xx_power_saving_ctl_bits(bcm, -1, -1);
1583 if (bcm->ieee->iw_mode == IW_MODE_ADHOC)
1584 bcm->reg124_set_0x4 = 1;
1585 //FIXME else set to false?
1588 static void handle_irq_reg124(struct bcm43xx_private *bcm)
1590 if (!bcm->reg124_set_0x4)
1592 bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD,
1593 bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD)
1595 //FIXME: reset reg124_set_0x4 to false?
1598 static void handle_irq_pmq(struct bcm43xx_private *bcm)
1605 tmp = bcm43xx_read32(bcm, BCM43xx_MMIO_PS_STATUS);
1606 if (!(tmp & 0x00000008))
1609 /* 16bit write is odd, but correct. */
1610 bcm43xx_write16(bcm, BCM43xx_MMIO_PS_STATUS, 0x0002);
1613 static void bcm43xx_generate_beacon_template(struct bcm43xx_private *bcm,
1614 u16 ram_offset, u16 shm_size_offset)
1620 //FIXME: assumption: The chip sets the timestamp
1622 bcm43xx_ram_write(bcm, ram_offset++, value);
1623 bcm43xx_ram_write(bcm, ram_offset++, value);
1626 /* Beacon Interval / Capability Information */
1627 value = 0x0000;//FIXME: Which interval?
1628 value |= (1 << 0) << 16; /* ESS */
1629 value |= (1 << 2) << 16; /* CF Pollable */ //FIXME?
1630 value |= (1 << 3) << 16; /* CF Poll Request */ //FIXME?
1631 if (!bcm->ieee->open_wep)
1632 value |= (1 << 4) << 16; /* Privacy */
1633 bcm43xx_ram_write(bcm, ram_offset++, value);
1639 /* FH Parameter Set */
1642 /* DS Parameter Set */
1645 /* CF Parameter Set */
1651 bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, shm_size_offset, size);
1654 static void handle_irq_beacon(struct bcm43xx_private *bcm)
1658 bcm->irq_savedstate &= ~BCM43xx_IRQ_BEACON;
1659 status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD);
1661 if ((status & 0x1) && (status & 0x2)) {
1662 /* ACK beacon IRQ. */
1663 bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON,
1664 BCM43xx_IRQ_BEACON);
1665 bcm->irq_savedstate |= BCM43xx_IRQ_BEACON;
1668 if (!(status & 0x1)) {
1669 bcm43xx_generate_beacon_template(bcm, 0x68, 0x18);
1671 bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD, status);
1673 if (!(status & 0x2)) {
1674 bcm43xx_generate_beacon_template(bcm, 0x468, 0x1A);
1676 bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD, status);
1680 /* Interrupt handler bottom-half */
1681 static void bcm43xx_interrupt_tasklet(struct bcm43xx_private *bcm)
1685 u32 merged_dma_reason = 0;
1686 int i, activity = 0;
1687 unsigned long flags;
1689 #ifdef CONFIG_BCM43XX_DEBUG
1690 u32 _handled = 0x00000000;
1691 # define bcmirq_handled(irq) do { _handled |= (irq); } while (0)
1693 # define bcmirq_handled(irq) do { /* nothing */ } while (0)
1694 #endif /* CONFIG_BCM43XX_DEBUG*/
1696 spin_lock_irqsave(&bcm->irq_lock, flags);
1697 reason = bcm->irq_reason;
1698 for (i = 5; i >= 0; i--) {
1699 dma_reason[i] = bcm->dma_reason[i];
1700 merged_dma_reason |= dma_reason[i];
1703 if (unlikely(reason & BCM43xx_IRQ_XMIT_ERROR)) {
1704 /* TX error. We get this when Template Ram is written in wrong endianess
1705 * in dummy_tx(). We also get this if something is wrong with the TX header
1706 * on DMA or PIO queues.
1707 * Maybe we get this in other error conditions, too.
1709 printkl(KERN_ERR PFX "FATAL ERROR: BCM43xx_IRQ_XMIT_ERROR\n");
1710 bcmirq_handled(BCM43xx_IRQ_XMIT_ERROR);
1712 if (unlikely(merged_dma_reason & BCM43xx_DMAIRQ_FATALMASK)) {
1713 printkl(KERN_ERR PFX "FATAL ERROR: Fatal DMA error: "
1714 "0x%08X, 0x%08X, 0x%08X, "
1715 "0x%08X, 0x%08X, 0x%08X\n",
1716 dma_reason[0], dma_reason[1],
1717 dma_reason[2], dma_reason[3],
1718 dma_reason[4], dma_reason[5]);
1719 bcm43xx_controller_restart(bcm, "DMA error");
1721 spin_unlock_irqrestore(&bcm->irq_lock, flags);
1724 if (unlikely(merged_dma_reason & BCM43xx_DMAIRQ_NONFATALMASK)) {
1725 printkl(KERN_ERR PFX "DMA error: "
1726 "0x%08X, 0x%08X, 0x%08X, "
1727 "0x%08X, 0x%08X, 0x%08X\n",
1728 dma_reason[0], dma_reason[1],
1729 dma_reason[2], dma_reason[3],
1730 dma_reason[4], dma_reason[5]);
1733 if (reason & BCM43xx_IRQ_PS) {
1735 bcmirq_handled(BCM43xx_IRQ_PS);
1738 if (reason & BCM43xx_IRQ_REG124) {
1739 handle_irq_reg124(bcm);
1740 bcmirq_handled(BCM43xx_IRQ_REG124);
1743 if (reason & BCM43xx_IRQ_BEACON) {
1744 if (bcm->ieee->iw_mode == IW_MODE_MASTER)
1745 handle_irq_beacon(bcm);
1746 bcmirq_handled(BCM43xx_IRQ_BEACON);
1749 if (reason & BCM43xx_IRQ_PMQ) {
1750 handle_irq_pmq(bcm);
1751 bcmirq_handled(BCM43xx_IRQ_PMQ);
1754 if (reason & BCM43xx_IRQ_SCAN) {
1756 //bcmirq_handled(BCM43xx_IRQ_SCAN);
1759 if (reason & BCM43xx_IRQ_NOISE) {
1760 handle_irq_noise(bcm);
1761 bcmirq_handled(BCM43xx_IRQ_NOISE);
1764 /* Check the DMA reason registers for received data. */
1765 if (dma_reason[0] & BCM43xx_DMAIRQ_RX_DONE) {
1766 if (bcm43xx_using_pio(bcm))
1767 bcm43xx_pio_rx(bcm43xx_current_pio(bcm)->queue0);
1769 bcm43xx_dma_rx(bcm43xx_current_dma(bcm)->rx_ring0);
1770 /* We intentionally don't set "activity" to 1, here. */
1772 assert(!(dma_reason[1] & BCM43xx_DMAIRQ_RX_DONE));
1773 assert(!(dma_reason[2] & BCM43xx_DMAIRQ_RX_DONE));
1774 if (dma_reason[3] & BCM43xx_DMAIRQ_RX_DONE) {
1775 if (bcm43xx_using_pio(bcm))
1776 bcm43xx_pio_rx(bcm43xx_current_pio(bcm)->queue3);
1778 bcm43xx_dma_rx(bcm43xx_current_dma(bcm)->rx_ring3);
1781 assert(!(dma_reason[4] & BCM43xx_DMAIRQ_RX_DONE));
1782 assert(!(dma_reason[5] & BCM43xx_DMAIRQ_RX_DONE));
1783 bcmirq_handled(BCM43xx_IRQ_RX);
1785 if (reason & BCM43xx_IRQ_XMIT_STATUS) {
1786 handle_irq_transmit_status(bcm);
1788 //TODO: In AP mode, this also causes sending of powersave responses.
1789 bcmirq_handled(BCM43xx_IRQ_XMIT_STATUS);
1792 /* IRQ_PIO_WORKAROUND is handled in the top-half. */
1793 bcmirq_handled(BCM43xx_IRQ_PIO_WORKAROUND);
1794 #ifdef CONFIG_BCM43XX_DEBUG
1795 if (unlikely(reason & ~_handled)) {
1796 printkl(KERN_WARNING PFX
1797 "Unhandled IRQ! Reason: 0x%08x, Unhandled: 0x%08x, "
1798 "DMA: 0x%08x, 0x%08x, 0x%08x, 0x%08x\n",
1799 reason, (reason & ~_handled),
1800 dma_reason[0], dma_reason[1],
1801 dma_reason[2], dma_reason[3]);
1804 #undef bcmirq_handled
1806 if (!modparam_noleds)
1807 bcm43xx_leds_update(bcm, activity);
1808 bcm43xx_interrupt_enable(bcm, bcm->irq_savedstate);
1810 spin_unlock_irqrestore(&bcm->irq_lock, flags);
1813 static void pio_irq_workaround(struct bcm43xx_private *bcm,
1814 u16 base, int queueidx)
1818 rxctl = bcm43xx_read16(bcm, base + BCM43xx_PIO_RXCTL);
1819 if (rxctl & BCM43xx_PIO_RXCTL_DATAAVAILABLE)
1820 bcm->dma_reason[queueidx] |= BCM43xx_DMAIRQ_RX_DONE;
1822 bcm->dma_reason[queueidx] &= ~BCM43xx_DMAIRQ_RX_DONE;
1825 static void bcm43xx_interrupt_ack(struct bcm43xx_private *bcm, u32 reason)
1827 if (bcm43xx_using_pio(bcm) &&
1828 (bcm->current_core->rev < 3) &&
1829 (!(reason & BCM43xx_IRQ_PIO_WORKAROUND))) {
1830 /* Apply a PIO specific workaround to the dma_reasons */
1831 pio_irq_workaround(bcm, BCM43xx_MMIO_PIO1_BASE, 0);
1832 pio_irq_workaround(bcm, BCM43xx_MMIO_PIO2_BASE, 1);
1833 pio_irq_workaround(bcm, BCM43xx_MMIO_PIO3_BASE, 2);
1834 pio_irq_workaround(bcm, BCM43xx_MMIO_PIO4_BASE, 3);
1837 bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, reason);
1839 bcm43xx_write32(bcm, BCM43xx_MMIO_DMA0_REASON,
1840 bcm->dma_reason[0]);
1841 bcm43xx_write32(bcm, BCM43xx_MMIO_DMA1_REASON,
1842 bcm->dma_reason[1]);
1843 bcm43xx_write32(bcm, BCM43xx_MMIO_DMA2_REASON,
1844 bcm->dma_reason[2]);
1845 bcm43xx_write32(bcm, BCM43xx_MMIO_DMA3_REASON,
1846 bcm->dma_reason[3]);
1847 bcm43xx_write32(bcm, BCM43xx_MMIO_DMA4_REASON,
1848 bcm->dma_reason[4]);
1849 bcm43xx_write32(bcm, BCM43xx_MMIO_DMA5_REASON,
1850 bcm->dma_reason[5]);
1853 /* Interrupt handler top-half */
1854 static irqreturn_t bcm43xx_interrupt_handler(int irq, void *dev_id)
1856 irqreturn_t ret = IRQ_HANDLED;
1857 struct bcm43xx_private *bcm = dev_id;
1863 spin_lock(&bcm->irq_lock);
1865 assert(bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED);
1866 assert(bcm->current_core->id == BCM43xx_COREID_80211);
1868 reason = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON);
1869 if (reason == 0xffffffff) {
1870 /* irq not for us (shared irq) */
1874 reason &= bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK);
1878 bcm->dma_reason[0] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA0_REASON)
1880 bcm->dma_reason[1] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA1_REASON)
1882 bcm->dma_reason[2] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA2_REASON)
1884 bcm->dma_reason[3] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA3_REASON)
1886 bcm->dma_reason[4] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA4_REASON)
1888 bcm->dma_reason[5] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA5_REASON)
1891 bcm43xx_interrupt_ack(bcm, reason);
1893 /* disable all IRQs. They are enabled again in the bottom half. */
1894 bcm->irq_savedstate = bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL);
1895 /* save the reason code and call our bottom half. */
1896 bcm->irq_reason = reason;
1897 tasklet_schedule(&bcm->isr_tasklet);
1901 spin_unlock(&bcm->irq_lock);
1906 static void bcm43xx_release_firmware(struct bcm43xx_private *bcm, int force)
1908 struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
1910 if (bcm->firmware_norelease && !force)
1911 return; /* Suspending or controller reset. */
1912 release_firmware(phy->ucode);
1914 release_firmware(phy->pcm);
1916 release_firmware(phy->initvals0);
1917 phy->initvals0 = NULL;
1918 release_firmware(phy->initvals1);
1919 phy->initvals1 = NULL;
1922 static int bcm43xx_request_firmware(struct bcm43xx_private *bcm)
1924 struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
1925 u8 rev = bcm->current_core->rev;
1928 char buf[22 + sizeof(modparam_fwpostfix) - 1] = { 0 };
1931 snprintf(buf, ARRAY_SIZE(buf), "bcm43xx_microcode%d%s.fw",
1932 (rev >= 5 ? 5 : rev),
1933 modparam_fwpostfix);
1934 err = request_firmware(&phy->ucode, buf, &bcm->pci_dev->dev);
1937 "Error: Microcode \"%s\" not available or load failed.\n",
1944 snprintf(buf, ARRAY_SIZE(buf),
1945 "bcm43xx_pcm%d%s.fw",
1947 modparam_fwpostfix);
1948 err = request_firmware(&phy->pcm, buf, &bcm->pci_dev->dev);
1951 "Error: PCM \"%s\" not available or load failed.\n",
1957 if (!phy->initvals0) {
1958 if (rev == 2 || rev == 4) {
1959 switch (phy->type) {
1960 case BCM43xx_PHYTYPE_A:
1963 case BCM43xx_PHYTYPE_B:
1964 case BCM43xx_PHYTYPE_G:
1971 } else if (rev >= 5) {
1972 switch (phy->type) {
1973 case BCM43xx_PHYTYPE_A:
1976 case BCM43xx_PHYTYPE_B:
1977 case BCM43xx_PHYTYPE_G:
1985 snprintf(buf, ARRAY_SIZE(buf), "bcm43xx_initval%02d%s.fw",
1986 nr, modparam_fwpostfix);
1988 err = request_firmware(&phy->initvals0, buf, &bcm->pci_dev->dev);
1991 "Error: InitVals \"%s\" not available or load failed.\n",
1995 if (phy->initvals0->size % sizeof(struct bcm43xx_initval)) {
1996 printk(KERN_ERR PFX "InitVals fileformat error.\n");
2001 if (!phy->initvals1) {
2005 switch (phy->type) {
2006 case BCM43xx_PHYTYPE_A:
2007 sbtmstatehigh = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH);
2008 if (sbtmstatehigh & 0x00010000)
2013 case BCM43xx_PHYTYPE_B:
2014 case BCM43xx_PHYTYPE_G:
2020 snprintf(buf, ARRAY_SIZE(buf), "bcm43xx_initval%02d%s.fw",
2021 nr, modparam_fwpostfix);
2023 err = request_firmware(&phy->initvals1, buf, &bcm->pci_dev->dev);
2026 "Error: InitVals \"%s\" not available or load failed.\n",
2030 if (phy->initvals1->size % sizeof(struct bcm43xx_initval)) {
2031 printk(KERN_ERR PFX "InitVals fileformat error.\n");
2040 bcm43xx_release_firmware(bcm, 1);
2043 printk(KERN_ERR PFX "Error: No InitVals available!\n");
2048 static void bcm43xx_upload_microcode(struct bcm43xx_private *bcm)
2050 struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
2052 unsigned int i, len;
2054 /* Upload Microcode. */
2055 data = (u32 *)(phy->ucode->data);
2056 len = phy->ucode->size / sizeof(u32);
2057 bcm43xx_shm_control_word(bcm, BCM43xx_SHM_UCODE, 0x0000);
2058 for (i = 0; i < len; i++) {
2059 bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_DATA,
2060 be32_to_cpu(data[i]));
2064 /* Upload PCM data. */
2065 data = (u32 *)(phy->pcm->data);
2066 len = phy->pcm->size / sizeof(u32);
2067 bcm43xx_shm_control_word(bcm, BCM43xx_SHM_PCM, 0x01ea);
2068 bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_DATA, 0x00004000);
2069 bcm43xx_shm_control_word(bcm, BCM43xx_SHM_PCM, 0x01eb);
2070 for (i = 0; i < len; i++) {
2071 bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_DATA,
2072 be32_to_cpu(data[i]));
2077 static int bcm43xx_write_initvals(struct bcm43xx_private *bcm,
2078 const struct bcm43xx_initval *data,
2079 const unsigned int len)
2085 for (i = 0; i < len; i++) {
2086 offset = be16_to_cpu(data[i].offset);
2087 size = be16_to_cpu(data[i].size);
2088 value = be32_to_cpu(data[i].value);
2090 if (unlikely(offset >= 0x1000))
2093 if (unlikely(value & 0xFFFF0000))
2095 bcm43xx_write16(bcm, offset, (u16)value);
2096 } else if (size == 4) {
2097 bcm43xx_write32(bcm, offset, value);
2105 printk(KERN_ERR PFX "InitVals (bcm43xx_initvalXX.fw) file-format error. "
2106 "Please fix your bcm43xx firmware files.\n");
2110 static int bcm43xx_upload_initvals(struct bcm43xx_private *bcm)
2112 struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
2115 err = bcm43xx_write_initvals(bcm, (struct bcm43xx_initval *)phy->initvals0->data,
2116 phy->initvals0->size / sizeof(struct bcm43xx_initval));
2119 if (phy->initvals1) {
2120 err = bcm43xx_write_initvals(bcm, (struct bcm43xx_initval *)phy->initvals1->data,
2121 phy->initvals1->size / sizeof(struct bcm43xx_initval));
2129 #ifdef CONFIG_BCM947XX
2130 static struct pci_device_id bcm43xx_47xx_ids[] = {
2131 { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4324) },
2136 static int bcm43xx_initialize_irq(struct bcm43xx_private *bcm)
2140 bcm->irq = bcm->pci_dev->irq;
2141 #ifdef CONFIG_BCM947XX
2142 if (bcm->pci_dev->bus->number == 0) {
2144 struct pci_device_id *id;
2145 for (id = bcm43xx_47xx_ids; id->vendor; id++) {
2146 d = pci_get_device(id->vendor, id->device, NULL);
2155 err = request_irq(bcm->irq, bcm43xx_interrupt_handler,
2156 IRQF_SHARED, KBUILD_MODNAME, bcm);
2158 printk(KERN_ERR PFX "Cannot register IRQ%d\n", bcm->irq);
2163 /* Switch to the core used to write the GPIO register.
2164 * This is either the ChipCommon, or the PCI core.
2166 static int switch_to_gpio_core(struct bcm43xx_private *bcm)
2170 /* Where to find the GPIO register depends on the chipset.
2171 * If it has a ChipCommon, its register at offset 0x6c is the GPIO
2172 * control register. Otherwise the register at offset 0x6c in the
2173 * PCI core is the GPIO control register.
2175 err = bcm43xx_switch_core(bcm, &bcm->core_chipcommon);
2176 if (err == -ENODEV) {
2177 err = bcm43xx_switch_core(bcm, &bcm->core_pci);
2178 if (unlikely(err == -ENODEV)) {
2179 printk(KERN_ERR PFX "gpio error: "
2180 "Neither ChipCommon nor PCI core available!\n");
2187 /* Initialize the GPIOs
2188 * http://bcm-specs.sipsolutions.net/GPIO
2190 static int bcm43xx_gpio_init(struct bcm43xx_private *bcm)
2192 struct bcm43xx_coreinfo *old_core;
2196 bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD,
2197 bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD)
2200 bcm43xx_leds_switch_all(bcm, 0);
2201 bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_MASK,
2202 bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_MASK) | 0x000F);
2206 if (bcm->chip_id == 0x4301) {
2210 if (0 /* FIXME: conditional unknown */) {
2211 bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_MASK,
2212 bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_MASK)
2217 if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL) {
2218 bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_MASK,
2219 bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_MASK)
2224 if (bcm->current_core->rev >= 2)
2225 mask |= 0x0010; /* FIXME: This is redundant. */
2227 old_core = bcm->current_core;
2228 err = switch_to_gpio_core(bcm);
2231 bcm43xx_write32(bcm, BCM43xx_GPIO_CONTROL,
2232 (bcm43xx_read32(bcm, BCM43xx_GPIO_CONTROL) & mask) | set);
2233 err = bcm43xx_switch_core(bcm, old_core);
2238 /* Turn off all GPIO stuff. Call this on module unload, for example. */
2239 static int bcm43xx_gpio_cleanup(struct bcm43xx_private *bcm)
2241 struct bcm43xx_coreinfo *old_core;
2244 old_core = bcm->current_core;
2245 err = switch_to_gpio_core(bcm);
2248 bcm43xx_write32(bcm, BCM43xx_GPIO_CONTROL, 0x00000000);
2249 err = bcm43xx_switch_core(bcm, old_core);
2255 /* http://bcm-specs.sipsolutions.net/EnableMac */
2256 void bcm43xx_mac_enable(struct bcm43xx_private *bcm)
2258 bcm->mac_suspended--;
2259 assert(bcm->mac_suspended >= 0);
2260 if (bcm->mac_suspended == 0) {
2261 bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD,
2262 bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD)
2263 | BCM43xx_SBF_MAC_ENABLED);
2264 bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, BCM43xx_IRQ_READY);
2265 bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); /* dummy read */
2266 bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */
2267 bcm43xx_power_saving_ctl_bits(bcm, -1, -1);
2271 /* http://bcm-specs.sipsolutions.net/SuspendMAC */
2272 void bcm43xx_mac_suspend(struct bcm43xx_private *bcm)
2277 assert(bcm->mac_suspended >= 0);
2278 if (bcm->mac_suspended == 0) {
2279 bcm43xx_power_saving_ctl_bits(bcm, -1, 1);
2280 bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD,
2281 bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD)
2282 & ~BCM43xx_SBF_MAC_ENABLED);
2283 bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */
2284 for (i = 10000; i; i--) {
2285 tmp = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON);
2286 if (tmp & BCM43xx_IRQ_READY)
2290 printkl(KERN_ERR PFX "MAC suspend failed\n");
2293 bcm->mac_suspended++;
2296 void bcm43xx_set_iwmode(struct bcm43xx_private *bcm,
2299 unsigned long flags;
2300 struct net_device *net_dev = bcm->net_dev;
2304 spin_lock_irqsave(&bcm->ieee->lock, flags);
2305 bcm->ieee->iw_mode = iw_mode;
2306 spin_unlock_irqrestore(&bcm->ieee->lock, flags);
2307 if (iw_mode == IW_MODE_MONITOR)
2308 net_dev->type = ARPHRD_IEEE80211;
2310 net_dev->type = ARPHRD_ETHER;
2312 status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
2313 /* Reset status to infrastructured mode */
2314 status &= ~(BCM43xx_SBF_MODE_AP | BCM43xx_SBF_MODE_MONITOR);
2315 status &= ~BCM43xx_SBF_MODE_PROMISC;
2316 status |= BCM43xx_SBF_MODE_NOTADHOC;
2318 /* FIXME: Always enable promisc mode, until we get the MAC filters working correctly. */
2319 status |= BCM43xx_SBF_MODE_PROMISC;
2322 case IW_MODE_MONITOR:
2323 status |= BCM43xx_SBF_MODE_MONITOR;
2324 status |= BCM43xx_SBF_MODE_PROMISC;
2327 status &= ~BCM43xx_SBF_MODE_NOTADHOC;
2329 case IW_MODE_MASTER:
2330 status |= BCM43xx_SBF_MODE_AP;
2332 case IW_MODE_SECOND:
2333 case IW_MODE_REPEAT:
2337 /* nothing to be done here... */
2340 dprintk(KERN_ERR PFX "Unknown mode in set_iwmode: %d\n", iw_mode);
2342 if (net_dev->flags & IFF_PROMISC)
2343 status |= BCM43xx_SBF_MODE_PROMISC;
2344 bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status);
2347 if (iw_mode != IW_MODE_ADHOC && iw_mode != IW_MODE_MASTER) {
2348 if (bcm->chip_id == 0x4306 && bcm->chip_rev == 3)
2353 bcm43xx_write16(bcm, 0x0612, value);
2356 /* This is the opposite of bcm43xx_chip_init() */
2357 static void bcm43xx_chip_cleanup(struct bcm43xx_private *bcm)
2359 bcm43xx_radio_turn_off(bcm);
2360 if (!modparam_noleds)
2361 bcm43xx_leds_exit(bcm);
2362 bcm43xx_gpio_cleanup(bcm);
2363 bcm43xx_release_firmware(bcm, 0);
2366 /* Initialize the chip
2367 * http://bcm-specs.sipsolutions.net/ChipInit
2369 static int bcm43xx_chip_init(struct bcm43xx_private *bcm)
2371 struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
2372 struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
2378 bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD,
2379 BCM43xx_SBF_CORE_READY
2382 err = bcm43xx_request_firmware(bcm);
2385 bcm43xx_upload_microcode(bcm);
2387 bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, 0xFFFFFFFF);
2388 bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, 0x00020402);
2391 value32 = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON);
2392 if (value32 == BCM43xx_IRQ_READY)
2395 if (i >= BCM43xx_IRQWAIT_MAX_RETRIES) {
2396 printk(KERN_ERR PFX "IRQ_READY timeout\n");
2398 goto err_release_fw;
2402 bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */
2404 value16 = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
2405 BCM43xx_UCODE_REVISION);
2407 dprintk(KERN_INFO PFX "Microcode rev 0x%x, pl 0x%x "
2408 "(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n", value16,
2409 bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
2410 BCM43xx_UCODE_PATCHLEVEL),
2411 (bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
2412 BCM43xx_UCODE_DATE) >> 12) & 0xf,
2413 (bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
2414 BCM43xx_UCODE_DATE) >> 8) & 0xf,
2415 bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
2416 BCM43xx_UCODE_DATE) & 0xff,
2417 (bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
2418 BCM43xx_UCODE_TIME) >> 11) & 0x1f,
2419 (bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
2420 BCM43xx_UCODE_TIME) >> 5) & 0x3f,
2421 bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
2422 BCM43xx_UCODE_TIME) & 0x1f);
2424 if ( value16 > 0x128 ) {
2426 "Firmware: no support for microcode extracted "
2427 "from version 4.x binary drivers.\n");
2429 goto err_release_fw;
2432 err = bcm43xx_gpio_init(bcm);
2434 goto err_release_fw;
2436 err = bcm43xx_upload_initvals(bcm);
2438 goto err_gpio_cleanup;
2439 bcm43xx_radio_turn_on(bcm);
2441 bcm43xx_write16(bcm, 0x03E6, 0x0000);
2442 err = bcm43xx_phy_init(bcm);
2446 /* Select initial Interference Mitigation. */
2447 tmp = radio->interfmode;
2448 radio->interfmode = BCM43xx_RADIO_INTERFMODE_NONE;
2449 bcm43xx_radio_set_interference_mitigation(bcm, tmp);
2451 bcm43xx_phy_set_antenna_diversity(bcm);
2452 bcm43xx_radio_set_txantenna(bcm, BCM43xx_RADIO_TXANTENNA_DEFAULT);
2453 if (phy->type == BCM43xx_PHYTYPE_B) {
2454 value16 = bcm43xx_read16(bcm, 0x005E);
2456 bcm43xx_write16(bcm, 0x005E, value16);
2458 bcm43xx_write32(bcm, 0x0100, 0x01000000);
2459 if (bcm->current_core->rev < 5)
2460 bcm43xx_write32(bcm, 0x010C, 0x01000000);
2462 value32 = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
2463 value32 &= ~ BCM43xx_SBF_MODE_NOTADHOC;
2464 bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, value32);
2465 value32 = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
2466 value32 |= BCM43xx_SBF_MODE_NOTADHOC;
2467 bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, value32);
2469 value32 = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
2470 value32 |= 0x100000;
2471 bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, value32);
2473 if (bcm43xx_using_pio(bcm)) {
2474 bcm43xx_write32(bcm, 0x0210, 0x00000100);
2475 bcm43xx_write32(bcm, 0x0230, 0x00000100);
2476 bcm43xx_write32(bcm, 0x0250, 0x00000100);
2477 bcm43xx_write32(bcm, 0x0270, 0x00000100);
2478 bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0034, 0x0000);
2481 /* Probe Response Timeout value */
2482 /* FIXME: Default to 0, has to be set by ioctl probably... :-/ */
2483 bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0074, 0x0000);
2485 /* Initially set the wireless operation mode. */
2486 bcm43xx_set_iwmode(bcm, bcm->ieee->iw_mode);
2488 if (bcm->current_core->rev < 3) {
2489 bcm43xx_write16(bcm, 0x060E, 0x0000);
2490 bcm43xx_write16(bcm, 0x0610, 0x8000);
2491 bcm43xx_write16(bcm, 0x0604, 0x0000);
2492 bcm43xx_write16(bcm, 0x0606, 0x0200);
2494 bcm43xx_write32(bcm, 0x0188, 0x80000000);
2495 bcm43xx_write32(bcm, 0x018C, 0x02000000);
2497 bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, 0x00004000);
2498 bcm43xx_write32(bcm, BCM43xx_MMIO_DMA0_IRQ_MASK, 0x0001DC00);
2499 bcm43xx_write32(bcm, BCM43xx_MMIO_DMA1_IRQ_MASK, 0x0000DC00);
2500 bcm43xx_write32(bcm, BCM43xx_MMIO_DMA2_IRQ_MASK, 0x0000DC00);
2501 bcm43xx_write32(bcm, BCM43xx_MMIO_DMA3_IRQ_MASK, 0x0001DC00);
2502 bcm43xx_write32(bcm, BCM43xx_MMIO_DMA4_IRQ_MASK, 0x0000DC00);
2503 bcm43xx_write32(bcm, BCM43xx_MMIO_DMA5_IRQ_MASK, 0x0000DC00);
2505 value32 = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
2506 value32 |= 0x00100000;
2507 bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, value32);
2509 bcm43xx_write16(bcm, BCM43xx_MMIO_POWERUP_DELAY, bcm43xx_pctl_powerup_delay(bcm));
2512 dprintk(KERN_INFO PFX "Chip initialized\n");
2517 bcm43xx_radio_turn_off(bcm);
2519 bcm43xx_gpio_cleanup(bcm);
2521 bcm43xx_release_firmware(bcm, 1);
2525 /* Validate chip access
2526 * http://bcm-specs.sipsolutions.net/ValidateChipAccess */
2527 static int bcm43xx_validate_chip(struct bcm43xx_private *bcm)
2532 shm_backup = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, 0x0000);
2533 bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, 0x0000, 0xAA5555AA);
2534 if (bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, 0x0000) != 0xAA5555AA)
2536 bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, 0x0000, 0x55AAAA55);
2537 if (bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, 0x0000) != 0x55AAAA55)
2539 bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, 0x0000, shm_backup);
2541 value = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
2542 if ((value | 0x80000000) != 0x80000400)
2545 value = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON);
2546 if (value != 0x00000000)
2551 printk(KERN_ERR PFX "Failed to validate the chipaccess\n");
2555 static void bcm43xx_init_struct_phyinfo(struct bcm43xx_phyinfo *phy)
2557 /* Initialize a "phyinfo" structure. The structure is already
2559 * This is called on insmod time to initialize members.
2561 phy->savedpctlreg = 0xFFFF;
2562 spin_lock_init(&phy->lock);
2565 static void bcm43xx_init_struct_radioinfo(struct bcm43xx_radioinfo *radio)
2567 /* Initialize a "radioinfo" structure. The structure is already
2569 * This is called on insmod time to initialize members.
2571 radio->interfmode = BCM43xx_RADIO_INTERFMODE_NONE;
2572 radio->channel = 0xFF;
2573 radio->initial_channel = 0xFF;
2576 static int bcm43xx_probe_cores(struct bcm43xx_private *bcm)
2580 u32 core_vendor, core_id, core_rev;
2581 u32 sb_id_hi, chip_id_32 = 0;
2582 u16 pci_device, chip_id_16;
2585 memset(&bcm->core_chipcommon, 0, sizeof(struct bcm43xx_coreinfo));
2586 memset(&bcm->core_pci, 0, sizeof(struct bcm43xx_coreinfo));
2587 memset(&bcm->core_80211, 0, sizeof(struct bcm43xx_coreinfo)
2588 * BCM43xx_MAX_80211_CORES);
2589 memset(&bcm->core_80211_ext, 0, sizeof(struct bcm43xx_coreinfo_80211)
2590 * BCM43xx_MAX_80211_CORES);
2591 bcm->nr_80211_available = 0;
2592 bcm->current_core = NULL;
2593 bcm->active_80211_core = NULL;
2596 err = _switch_core(bcm, 0);
2600 /* fetch sb_id_hi from core information registers */
2601 sb_id_hi = bcm43xx_read32(bcm, BCM43xx_CIR_SB_ID_HI);
2603 core_id = (sb_id_hi & 0xFFF0) >> 4;
2604 core_rev = (sb_id_hi & 0xF);
2605 core_vendor = (sb_id_hi & 0xFFFF0000) >> 16;
2607 /* if present, chipcommon is always core 0; read the chipid from it */
2608 if (core_id == BCM43xx_COREID_CHIPCOMMON) {
2609 chip_id_32 = bcm43xx_read32(bcm, 0);
2610 chip_id_16 = chip_id_32 & 0xFFFF;
2611 bcm->core_chipcommon.available = 1;
2612 bcm->core_chipcommon.id = core_id;
2613 bcm->core_chipcommon.rev = core_rev;
2614 bcm->core_chipcommon.index = 0;
2615 /* While we are at it, also read the capabilities. */
2616 bcm->chipcommon_capabilities = bcm43xx_read32(bcm, BCM43xx_CHIPCOMMON_CAPABILITIES);
2618 /* without a chipCommon, use a hard coded table. */
2619 pci_device = bcm->pci_dev->device;
2620 if (pci_device == 0x4301)
2621 chip_id_16 = 0x4301;
2622 else if ((pci_device >= 0x4305) && (pci_device <= 0x4307))
2623 chip_id_16 = 0x4307;
2624 else if ((pci_device >= 0x4402) && (pci_device <= 0x4403))
2625 chip_id_16 = 0x4402;
2626 else if ((pci_device >= 0x4610) && (pci_device <= 0x4615))
2627 chip_id_16 = 0x4610;
2628 else if ((pci_device >= 0x4710) && (pci_device <= 0x4715))
2629 chip_id_16 = 0x4710;
2630 #ifdef CONFIG_BCM947XX
2631 else if ((pci_device >= 0x4320) && (pci_device <= 0x4325))
2632 chip_id_16 = 0x4309;
2635 printk(KERN_ERR PFX "Could not determine Chip ID\n");
2640 /* ChipCommon with Core Rev >=4 encodes number of cores,
2641 * otherwise consult hardcoded table */
2642 if ((core_id == BCM43xx_COREID_CHIPCOMMON) && (core_rev >= 4)) {
2643 core_count = (chip_id_32 & 0x0F000000) >> 24;
2645 switch (chip_id_16) {
2668 /* SOL if we get here */
2674 bcm->chip_id = chip_id_16;
2675 bcm->chip_rev = (chip_id_32 & 0x000F0000) >> 16;
2676 bcm->chip_package = (chip_id_32 & 0x00F00000) >> 20;
2678 dprintk(KERN_INFO PFX "Chip ID 0x%x, rev 0x%x\n",
2679 bcm->chip_id, bcm->chip_rev);
2680 dprintk(KERN_INFO PFX "Number of cores: %d\n", core_count);
2681 if (bcm->core_chipcommon.available) {
2682 dprintk(KERN_INFO PFX "Core 0: ID 0x%x, rev 0x%x, vendor 0x%x, %s\n",
2683 core_id, core_rev, core_vendor,
2684 bcm43xx_core_enabled(bcm) ? "enabled" : "disabled");
2687 if (bcm->core_chipcommon.available)
2691 for ( ; current_core < core_count; current_core++) {
2692 struct bcm43xx_coreinfo *core;
2693 struct bcm43xx_coreinfo_80211 *ext_80211;
2695 err = _switch_core(bcm, current_core);
2698 /* Gather information */
2699 /* fetch sb_id_hi from core information registers */
2700 sb_id_hi = bcm43xx_read32(bcm, BCM43xx_CIR_SB_ID_HI);
2702 /* extract core_id, core_rev, core_vendor */
2703 core_id = (sb_id_hi & 0xFFF0) >> 4;
2704 core_rev = (sb_id_hi & 0xF);
2705 core_vendor = (sb_id_hi & 0xFFFF0000) >> 16;
2707 dprintk(KERN_INFO PFX "Core %d: ID 0x%x, rev 0x%x, vendor 0x%x, %s\n",
2708 current_core, core_id, core_rev, core_vendor,
2709 bcm43xx_core_enabled(bcm) ? "enabled" : "disabled" );
2713 case BCM43xx_COREID_PCI:
2714 core = &bcm->core_pci;
2715 if (core->available) {
2716 printk(KERN_WARNING PFX "Multiple PCI cores found.\n");
2720 case BCM43xx_COREID_80211:
2721 for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) {
2722 core = &(bcm->core_80211[i]);
2723 ext_80211 = &(bcm->core_80211_ext[i]);
2724 if (!core->available)
2729 printk(KERN_WARNING PFX "More than %d cores of type 802.11 found.\n",
2730 BCM43xx_MAX_80211_CORES);
2734 /* More than one 80211 core is only supported
2736 * There are chips with two 80211 cores, but with
2737 * dangling pins on the second core. Be careful
2738 * and ignore these cores here.
2740 if (bcm->pci_dev->device != 0x4324) {
2741 dprintk(KERN_INFO PFX "Ignoring additional 802.11 core.\n");
2754 printk(KERN_ERR PFX "Error: Unsupported 80211 core revision %u\n",
2759 bcm->nr_80211_available++;
2760 core->priv = ext_80211;
2761 bcm43xx_init_struct_phyinfo(&ext_80211->phy);
2762 bcm43xx_init_struct_radioinfo(&ext_80211->radio);
2764 case BCM43xx_COREID_CHIPCOMMON:
2765 printk(KERN_WARNING PFX "Multiple CHIPCOMMON cores found.\n");
2769 core->available = 1;
2771 core->rev = core_rev;
2772 core->index = current_core;
2776 if (!bcm->core_80211[0].available) {
2777 printk(KERN_ERR PFX "Error: No 80211 core found!\n");
2782 err = bcm43xx_switch_core(bcm, &bcm->core_80211[0]);
2789 static void bcm43xx_gen_bssid(struct bcm43xx_private *bcm)
2791 const u8 *mac = (const u8*)(bcm->net_dev->dev_addr);
2792 u8 *bssid = bcm->ieee->bssid;
2794 switch (bcm->ieee->iw_mode) {
2796 random_ether_addr(bssid);
2798 case IW_MODE_MASTER:
2800 case IW_MODE_REPEAT:
2801 case IW_MODE_SECOND:
2802 case IW_MODE_MONITOR:
2803 memcpy(bssid, mac, ETH_ALEN);
2810 static void bcm43xx_rate_memory_write(struct bcm43xx_private *bcm,
2818 offset += (bcm43xx_plcp_get_ratecode_ofdm(rate) & 0x000F) * 2;
2822 offset += (bcm43xx_plcp_get_ratecode_cck(rate) & 0x000F) * 2;
2824 bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, offset + 0x20,
2825 bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, offset));
2828 static void bcm43xx_rate_memory_init(struct bcm43xx_private *bcm)
2830 switch (bcm43xx_current_phy(bcm)->type) {
2831 case BCM43xx_PHYTYPE_A:
2832 case BCM43xx_PHYTYPE_G:
2833 bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_6MB, 1);
2834 bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_12MB, 1);
2835 bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_18MB, 1);
2836 bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_24MB, 1);
2837 bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_36MB, 1);
2838 bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_48MB, 1);
2839 bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_54MB, 1);
2840 case BCM43xx_PHYTYPE_B:
2841 bcm43xx_rate_memory_write(bcm, IEEE80211_CCK_RATE_1MB, 0);
2842 bcm43xx_rate_memory_write(bcm, IEEE80211_CCK_RATE_2MB, 0);
2843 bcm43xx_rate_memory_write(bcm, IEEE80211_CCK_RATE_5MB, 0);
2844 bcm43xx_rate_memory_write(bcm, IEEE80211_CCK_RATE_11MB, 0);
2851 static void bcm43xx_wireless_core_cleanup(struct bcm43xx_private *bcm)
2853 bcm43xx_chip_cleanup(bcm);
2854 bcm43xx_pio_free(bcm);
2855 bcm43xx_dma_free(bcm);
2857 bcm->current_core->initialized = 0;
2860 /* http://bcm-specs.sipsolutions.net/80211Init */
2861 static int bcm43xx_wireless_core_init(struct bcm43xx_private *bcm,
2864 struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
2865 struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
2871 if (bcm->chip_rev < 5) {
2872 sbimconfiglow = bcm43xx_read32(bcm, BCM43xx_CIR_SBIMCONFIGLOW);
2873 sbimconfiglow &= ~ BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_MASK;
2874 sbimconfiglow &= ~ BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_MASK;
2875 if (bcm->bustype == BCM43xx_BUSTYPE_PCI)
2876 sbimconfiglow |= 0x32;
2877 else if (bcm->bustype == BCM43xx_BUSTYPE_SB)
2878 sbimconfiglow |= 0x53;
2881 bcm43xx_write32(bcm, BCM43xx_CIR_SBIMCONFIGLOW, sbimconfiglow);
2884 bcm43xx_phy_calibrate(bcm);
2885 err = bcm43xx_chip_init(bcm);
2889 bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0016, bcm->current_core->rev);
2890 ucodeflags = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, BCM43xx_UCODEFLAGS_OFFSET);
2892 if (0 /*FIXME: which condition has to be used here? */)
2893 ucodeflags |= 0x00000010;
2895 /* HW decryption needs to be set now */
2896 ucodeflags |= 0x40000000;
2898 if (phy->type == BCM43xx_PHYTYPE_G) {
2899 ucodeflags |= BCM43xx_UCODEFLAG_UNKBGPHY;
2901 ucodeflags |= BCM43xx_UCODEFLAG_UNKGPHY;
2902 if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL)
2903 ucodeflags |= BCM43xx_UCODEFLAG_UNKPACTRL;
2904 } else if (phy->type == BCM43xx_PHYTYPE_B) {
2905 ucodeflags |= BCM43xx_UCODEFLAG_UNKBGPHY;
2906 if (phy->rev >= 2 && radio->version == 0x2050)
2907 ucodeflags &= ~BCM43xx_UCODEFLAG_UNKGPHY;
2910 if (ucodeflags != bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED,
2911 BCM43xx_UCODEFLAGS_OFFSET)) {
2912 bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED,
2913 BCM43xx_UCODEFLAGS_OFFSET, ucodeflags);
2916 /* Short/Long Retry Limit.
2917 * The retry-limit is a 4-bit counter. Enforce this to avoid overflowing
2918 * the chip-internal counter.
2920 limit = limit_value(modparam_short_retry, 0, 0xF);
2921 bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0006, limit);
2922 limit = limit_value(modparam_long_retry, 0, 0xF);
2923 bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0007, limit);
2925 bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0044, 3);
2926 bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0046, 2);
2928 bcm43xx_rate_memory_init(bcm);
2930 /* Minimum Contention Window */
2931 if (phy->type == BCM43xx_PHYTYPE_B)
2932 bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0003, 0x0000001f);
2934 bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0003, 0x0000000f);
2935 /* Maximum Contention Window */
2936 bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0004, 0x000003ff);
2938 bcm43xx_gen_bssid(bcm);
2939 bcm43xx_write_mac_bssid_templates(bcm);
2941 if (bcm->current_core->rev >= 5)
2942 bcm43xx_write16(bcm, 0x043C, 0x000C);
2944 if (active_wlcore) {
2945 if (bcm43xx_using_pio(bcm)) {
2946 err = bcm43xx_pio_init(bcm);
2948 err = bcm43xx_dma_init(bcm);
2950 err = bcm43xx_pio_init(bcm);
2953 goto err_chip_cleanup;
2955 bcm43xx_write16(bcm, 0x0612, 0x0050);
2956 bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0416, 0x0050);
2957 bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0414, 0x01F4);
2959 if (active_wlcore) {
2960 if (radio->initial_channel != 0xFF)
2961 bcm43xx_radio_selectchannel(bcm, radio->initial_channel, 0);
2964 /* Don't enable MAC/IRQ here, as it will race with the IRQ handler.
2965 * We enable it later.
2967 bcm->current_core->initialized = 1;
2972 bcm43xx_chip_cleanup(bcm);
2976 static int bcm43xx_chipset_attach(struct bcm43xx_private *bcm)
2981 err = bcm43xx_pctl_set_crystal(bcm, 1);
2984 bcm43xx_pci_read_config16(bcm, PCI_STATUS, &pci_status);
2985 bcm43xx_pci_write_config16(bcm, PCI_STATUS, pci_status & ~PCI_STATUS_SIG_TARGET_ABORT);
2991 static void bcm43xx_chipset_detach(struct bcm43xx_private *bcm)
2993 bcm43xx_pctl_set_clock(bcm, BCM43xx_PCTL_CLK_SLOW);
2994 bcm43xx_pctl_set_crystal(bcm, 0);
2997 static void bcm43xx_pcicore_broadcast_value(struct bcm43xx_private *bcm,
3001 bcm43xx_write32(bcm, BCM43xx_PCICORE_BCAST_ADDR, address);
3002 bcm43xx_write32(bcm, BCM43xx_PCICORE_BCAST_DATA, data);
3005 static int bcm43xx_pcicore_commit_settings(struct bcm43xx_private *bcm)
3008 struct bcm43xx_coreinfo *old_core;
3010 old_core = bcm->current_core;
3011 err = bcm43xx_switch_core(bcm, &bcm->core_pci);
3015 bcm43xx_pcicore_broadcast_value(bcm, 0xfd8, 0x00000000);
3017 bcm43xx_switch_core(bcm, old_core);
3023 /* Make an I/O Core usable. "core_mask" is the bitmask of the cores to enable.
3024 * To enable core 0, pass a core_mask of 1<<0
3026 static int bcm43xx_setup_backplane_pci_connection(struct bcm43xx_private *bcm,
3029 u32 backplane_flag_nr;
3031 struct bcm43xx_coreinfo *old_core;
3034 value = bcm43xx_read32(bcm, BCM43xx_CIR_SBTPSFLAG);
3035 backplane_flag_nr = value & BCM43xx_BACKPLANE_FLAG_NR_MASK;
3037 old_core = bcm->current_core;
3038 err = bcm43xx_switch_core(bcm, &bcm->core_pci);
3042 if (bcm->core_pci.rev < 6) {
3043 value = bcm43xx_read32(bcm, BCM43xx_CIR_SBINTVEC);
3044 value |= (1 << backplane_flag_nr);
3045 bcm43xx_write32(bcm, BCM43xx_CIR_SBINTVEC, value);
3047 err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCICFG_ICR, &value);
3049 printk(KERN_ERR PFX "Error: ICR setup failure!\n");
3050 goto out_switch_back;
3052 value |= core_mask << 8;
3053 err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_ICR, value);
3055 printk(KERN_ERR PFX "Error: ICR setup failure!\n");
3056 goto out_switch_back;
3060 value = bcm43xx_read32(bcm, BCM43xx_PCICORE_SBTOPCI2);
3061 value |= BCM43xx_SBTOPCI2_PREFETCH | BCM43xx_SBTOPCI2_BURST;
3062 bcm43xx_write32(bcm, BCM43xx_PCICORE_SBTOPCI2, value);
3064 if (bcm->core_pci.rev < 5) {
3065 value = bcm43xx_read32(bcm, BCM43xx_CIR_SBIMCONFIGLOW);
3066 value |= (2 << BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_SHIFT)
3067 & BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_MASK;
3068 value |= (3 << BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_SHIFT)
3069 & BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_MASK;
3070 bcm43xx_write32(bcm, BCM43xx_CIR_SBIMCONFIGLOW, value);
3071 err = bcm43xx_pcicore_commit_settings(bcm);
3076 err = bcm43xx_switch_core(bcm, old_core);
3081 static void bcm43xx_periodic_every120sec(struct bcm43xx_private *bcm)
3083 struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
3085 if (phy->type != BCM43xx_PHYTYPE_G || phy->rev < 2)
3088 bcm43xx_mac_suspend(bcm);
3089 bcm43xx_phy_lo_g_measure(bcm);
3090 bcm43xx_mac_enable(bcm);
3093 static void bcm43xx_periodic_every60sec(struct bcm43xx_private *bcm)
3095 bcm43xx_phy_lo_mark_all_unused(bcm);
3096 if (bcm->sprom.boardflags & BCM43xx_BFL_RSSI) {
3097 bcm43xx_mac_suspend(bcm);
3098 bcm43xx_calc_nrssi_slope(bcm);
3099 bcm43xx_mac_enable(bcm);
3103 static void bcm43xx_periodic_every30sec(struct bcm43xx_private *bcm)
3105 /* Update device statistics. */
3106 bcm43xx_calculate_link_quality(bcm);
3109 static void bcm43xx_periodic_every15sec(struct bcm43xx_private *bcm)
3111 struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
3112 struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
3114 if (phy->type == BCM43xx_PHYTYPE_G) {
3115 //TODO: update_aci_moving_average
3116 if (radio->aci_enable && radio->aci_wlan_automatic) {
3117 bcm43xx_mac_suspend(bcm);
3118 if (!radio->aci_enable && 1 /*TODO: not scanning? */) {
3119 if (0 /*TODO: bunch of conditions*/) {
3120 bcm43xx_radio_set_interference_mitigation(bcm,
3121 BCM43xx_RADIO_INTERFMODE_MANUALWLAN);
3123 } else if (1/*TODO*/) {
3125 if ((aci_average > 1000) && !(bcm43xx_radio_aci_scan(bcm))) {
3126 bcm43xx_radio_set_interference_mitigation(bcm,
3127 BCM43xx_RADIO_INTERFMODE_NONE);
3131 bcm43xx_mac_enable(bcm);
3132 } else if (radio->interfmode == BCM43xx_RADIO_INTERFMODE_NONWLAN &&
3134 //TODO: implement rev1 workaround
3137 bcm43xx_phy_xmitpower(bcm); //FIXME: unless scanning?
3138 //TODO for APHY (temperature?)
3141 static void do_periodic_work(struct bcm43xx_private *bcm)
3145 state = bcm->periodic_state;
3147 bcm43xx_periodic_every120sec(bcm);
3149 bcm43xx_periodic_every60sec(bcm);
3151 bcm43xx_periodic_every30sec(bcm);
3153 bcm43xx_periodic_every15sec(bcm);
3154 bcm->periodic_state = state + 1;
3156 schedule_delayed_work(&bcm->periodic_work, HZ * 15);
3159 /* Estimate a "Badness" value based on the periodic work
3160 * state-machine state. "Badness" is worse (bigger), if the
3161 * periodic work will take longer.
3163 static int estimate_periodic_work_badness(unsigned int state)
3167 if (state % 8 == 0) /* every 120 sec */
3169 if (state % 4 == 0) /* every 60 sec */
3171 if (state % 2 == 0) /* every 30 sec */
3173 if (state % 1 == 0) /* every 15 sec */
3176 #define BADNESS_LIMIT 4
3180 static void bcm43xx_periodic_work_handler(void *d)
3182 struct bcm43xx_private *bcm = d;
3183 struct net_device *net_dev = bcm->net_dev;
3184 unsigned long flags;
3187 unsigned long orig_trans_start = 0;
3189 mutex_lock(&bcm->mutex);
3190 badness = estimate_periodic_work_badness(bcm->periodic_state);
3191 if (badness > BADNESS_LIMIT) {
3192 /* Periodic work will take a long time, so we want it to
3196 netif_tx_lock_bh(net_dev);
3197 /* We must fake a started transmission here, as we are going to
3198 * disable TX. If we wouldn't fake a TX, it would be possible to
3199 * trigger the netdev watchdog, if the last real TX is already
3200 * some time on the past (slightly less than 5secs)
3202 orig_trans_start = net_dev->trans_start;
3203 net_dev->trans_start = jiffies;
3204 netif_stop_queue(net_dev);
3205 netif_tx_unlock_bh(net_dev);
3207 spin_lock_irqsave(&bcm->irq_lock, flags);
3208 bcm43xx_mac_suspend(bcm);
3209 if (bcm43xx_using_pio(bcm))
3210 bcm43xx_pio_freeze_txqueues(bcm);
3211 savedirqs = bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL);
3212 spin_unlock_irqrestore(&bcm->irq_lock, flags);
3213 bcm43xx_synchronize_irq(bcm);
3215 /* Periodic work should take short time, so we want low
3218 spin_lock_irqsave(&bcm->irq_lock, flags);
3221 do_periodic_work(bcm);
3223 if (badness > BADNESS_LIMIT) {
3224 spin_lock_irqsave(&bcm->irq_lock, flags);
3225 tasklet_enable(&bcm->isr_tasklet);
3226 bcm43xx_interrupt_enable(bcm, savedirqs);
3227 if (bcm43xx_using_pio(bcm))
3228 bcm43xx_pio_thaw_txqueues(bcm);
3229 bcm43xx_mac_enable(bcm);
3230 netif_wake_queue(bcm->net_dev);
3231 net_dev->trans_start = orig_trans_start;
3234 spin_unlock_irqrestore(&bcm->irq_lock, flags);
3235 mutex_unlock(&bcm->mutex);
3238 void bcm43xx_periodic_tasks_delete(struct bcm43xx_private *bcm)
3240 cancel_rearming_delayed_work(&bcm->periodic_work);
3243 void bcm43xx_periodic_tasks_setup(struct bcm43xx_private *bcm)
3245 struct work_struct *work = &(bcm->periodic_work);
3247 assert(bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED);
3248 INIT_WORK(work, bcm43xx_periodic_work_handler, bcm);
3249 schedule_work(work);
3252 static void bcm43xx_security_init(struct bcm43xx_private *bcm)
3254 bcm->security_offset = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
3256 bcm43xx_clear_keys(bcm);
3259 static int bcm43xx_rng_read(struct hwrng *rng, u32 *data)
3261 struct bcm43xx_private *bcm = (struct bcm43xx_private *)rng->priv;
3262 unsigned long flags;
3264 spin_lock_irqsave(&(bcm)->irq_lock, flags);
3265 *data = bcm43xx_read16(bcm, BCM43xx_MMIO_RNG);
3266 spin_unlock_irqrestore(&(bcm)->irq_lock, flags);
3268 return (sizeof(u16));
3271 static void bcm43xx_rng_exit(struct bcm43xx_private *bcm)
3273 hwrng_unregister(&bcm->rng);
3276 static int bcm43xx_rng_init(struct bcm43xx_private *bcm)
3280 snprintf(bcm->rng_name, ARRAY_SIZE(bcm->rng_name),
3281 "%s_%s", KBUILD_MODNAME, bcm->net_dev->name);
3282 bcm->rng.name = bcm->rng_name;
3283 bcm->rng.data_read = bcm43xx_rng_read;
3284 bcm->rng.priv = (unsigned long)bcm;
3285 err = hwrng_register(&bcm->rng);
3287 printk(KERN_ERR PFX "RNG init failed (%d)\n", err);
3292 static int bcm43xx_shutdown_all_wireless_cores(struct bcm43xx_private *bcm)
3296 struct bcm43xx_coreinfo *core;
3298 bcm43xx_set_status(bcm, BCM43xx_STAT_SHUTTINGDOWN);
3299 for (i = 0; i < bcm->nr_80211_available; i++) {
3300 core = &(bcm->core_80211[i]);
3301 assert(core->available);
3302 if (!core->initialized)
3304 err = bcm43xx_switch_core(bcm, core);
3306 dprintk(KERN_ERR PFX "shutdown_all_wireless_cores "
3307 "switch_core failed (%d)\n", err);
3311 bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL);
3312 bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */
3313 bcm43xx_wireless_core_cleanup(bcm);
3314 if (core == bcm->active_80211_core)
3315 bcm->active_80211_core = NULL;
3317 free_irq(bcm->irq, bcm);
3318 bcm43xx_set_status(bcm, BCM43xx_STAT_UNINIT);
3323 /* This is the opposite of bcm43xx_init_board() */
3324 static void bcm43xx_free_board(struct bcm43xx_private *bcm)
3326 bcm43xx_rng_exit(bcm);
3327 bcm43xx_sysfs_unregister(bcm);
3328 bcm43xx_periodic_tasks_delete(bcm);
3330 mutex_lock(&(bcm)->mutex);
3331 bcm43xx_shutdown_all_wireless_cores(bcm);
3332 bcm43xx_pctl_set_crystal(bcm, 0);
3333 mutex_unlock(&(bcm)->mutex);
3336 static void prepare_phydata_for_init(struct bcm43xx_phyinfo *phy)
3338 phy->antenna_diversity = 0xFFFF;
3339 memset(phy->minlowsig, 0xFF, sizeof(phy->minlowsig));
3340 memset(phy->minlowsigpos, 0, sizeof(phy->minlowsigpos));
3343 phy->calibrated = 0;
3346 if (phy->_lo_pairs) {
3347 memset(phy->_lo_pairs, 0,
3348 sizeof(struct bcm43xx_lopair) * BCM43xx_LO_COUNT);
3350 memset(phy->loopback_gain, 0, sizeof(phy->loopback_gain));
3353 static void prepare_radiodata_for_init(struct bcm43xx_private *bcm,
3354 struct bcm43xx_radioinfo *radio)
3358 /* Set default attenuation values. */
3359 radio->baseband_atten = bcm43xx_default_baseband_attenuation(bcm);
3360 radio->radio_atten = bcm43xx_default_radio_attenuation(bcm);
3361 radio->txctl1 = bcm43xx_default_txctl1(bcm);
3362 radio->txctl2 = 0xFFFF;
3363 radio->txpwr_offset = 0;
3366 radio->nrssislope = 0;
3367 for (i = 0; i < ARRAY_SIZE(radio->nrssi); i++)
3368 radio->nrssi[i] = -1000;
3369 for (i = 0; i < ARRAY_SIZE(radio->nrssi_lt); i++)
3370 radio->nrssi_lt[i] = i;
3372 radio->lofcal = 0xFFFF;
3373 radio->initval = 0xFFFF;
3375 radio->aci_enable = 0;
3376 radio->aci_wlan_automatic = 0;
3377 radio->aci_hw_rssi = 0;
3380 static void prepare_priv_for_init(struct bcm43xx_private *bcm)
3383 struct bcm43xx_coreinfo *core;
3384 struct bcm43xx_coreinfo_80211 *wlext;
3386 assert(!bcm->active_80211_core);
3388 bcm43xx_set_status(bcm, BCM43xx_STAT_INITIALIZING);
3391 bcm->was_initialized = 0;
3392 bcm->reg124_set_0x4 = 0;
3395 memset(&bcm->stats, 0, sizeof(bcm->stats));
3397 /* Wireless core data */
3398 for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) {
3399 core = &(bcm->core_80211[i]);
3402 if (!core->available)
3404 assert(wlext == &(bcm->core_80211_ext[i]));
3406 prepare_phydata_for_init(&wlext->phy);
3407 prepare_radiodata_for_init(bcm, &wlext->radio);
3410 /* IRQ related flags */
3411 bcm->irq_reason = 0;
3412 memset(bcm->dma_reason, 0, sizeof(bcm->dma_reason));
3413 bcm->irq_savedstate = BCM43xx_IRQ_INITIAL;
3415 bcm->mac_suspended = 1;
3417 /* Noise calculation context */
3418 memset(&bcm->noisecalc, 0, sizeof(bcm->noisecalc));
3420 /* Periodic work context */
3421 bcm->periodic_state = 0;
3424 static int wireless_core_up(struct bcm43xx_private *bcm,
3429 if (!bcm43xx_core_enabled(bcm))
3430 bcm43xx_wireless_core_reset(bcm, 1);
3432 bcm43xx_wireless_core_mark_inactive(bcm);
3433 err = bcm43xx_wireless_core_init(bcm, active_wlcore);
3437 bcm43xx_radio_turn_off(bcm);
3442 /* Select and enable the "to be used" wireless core.
3443 * Locking: bcm->mutex must be aquired before calling this.
3444 * bcm->irq_lock must not be aquired.
3446 int bcm43xx_select_wireless_core(struct bcm43xx_private *bcm,
3450 struct bcm43xx_coreinfo *active_core = NULL;
3451 struct bcm43xx_coreinfo_80211 *active_wlext = NULL;
3452 struct bcm43xx_coreinfo *core;
3453 struct bcm43xx_coreinfo_80211 *wlext;
3454 int adjust_active_sbtmstatelow = 0;
3459 /* If no phytype is requested, select the first core. */
3460 assert(bcm->core_80211[0].available);
3461 wlext = bcm->core_80211[0].priv;
3462 phytype = wlext->phy.type;
3464 /* Find the requested core. */
3465 for (i = 0; i < bcm->nr_80211_available; i++) {
3466 core = &(bcm->core_80211[i]);
3468 if (wlext->phy.type == phytype) {
3470 active_wlext = wlext;
3475 return -ESRCH; /* No such PHYTYPE on this board. */
3477 if (bcm->active_80211_core) {
3478 /* We already selected a wl core in the past.
3479 * So first clean up everything.
3481 dprintk(KERN_INFO PFX "select_wireless_core: cleanup\n");
3482 ieee80211softmac_stop(bcm->net_dev);
3483 bcm43xx_set_status(bcm, BCM43xx_STAT_INITIALIZED);
3484 err = bcm43xx_disable_interrupts_sync(bcm);
3486 tasklet_enable(&bcm->isr_tasklet);
3487 err = bcm43xx_shutdown_all_wireless_cores(bcm);
3490 /* Ok, everything down, continue to re-initialize. */
3491 bcm43xx_set_status(bcm, BCM43xx_STAT_INITIALIZING);
3494 /* Reset all data structures. */
3495 prepare_priv_for_init(bcm);
3497 err = bcm43xx_pctl_set_clock(bcm, BCM43xx_PCTL_CLK_FAST);
3501 /* Mark all unused cores "inactive". */
3502 for (i = 0; i < bcm->nr_80211_available; i++) {
3503 core = &(bcm->core_80211[i]);
3506 if (core == active_core)
3508 err = bcm43xx_switch_core(bcm, core);
3510 dprintk(KERN_ERR PFX "Could not switch to inactive "
3511 "802.11 core (%d)\n", err);
3514 err = wireless_core_up(bcm, 0);
3516 dprintk(KERN_ERR PFX "core_up for inactive 802.11 core "
3517 "failed (%d)\n", err);
3520 adjust_active_sbtmstatelow = 1;
3523 /* Now initialize the active 802.11 core. */
3524 err = bcm43xx_switch_core(bcm, active_core);
3526 dprintk(KERN_ERR PFX "Could not switch to active "
3527 "802.11 core (%d)\n", err);
3530 if (adjust_active_sbtmstatelow &&
3531 active_wlext->phy.type == BCM43xx_PHYTYPE_G) {
3534 sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
3535 sbtmstatelow |= 0x20000000;
3536 bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow);
3538 err = wireless_core_up(bcm, 1);
3540 dprintk(KERN_ERR PFX "core_up for active 802.11 core "
3541 "failed (%d)\n", err);
3544 err = bcm43xx_pctl_set_clock(bcm, BCM43xx_PCTL_CLK_DYNAMIC);
3547 bcm->active_80211_core = active_core;
3549 bcm43xx_macfilter_clear(bcm, BCM43xx_MACFILTER_ASSOC);
3550 bcm43xx_macfilter_set(bcm, BCM43xx_MACFILTER_SELF, (u8 *)(bcm->net_dev->dev_addr));
3551 bcm43xx_security_init(bcm);
3552 drain_txstatus_queue(bcm);
3553 ieee80211softmac_start(bcm->net_dev);
3555 /* Let's go! Be careful after enabling the IRQs.
3556 * Don't switch cores, for example.
3558 bcm43xx_mac_enable(bcm);
3559 bcm43xx_set_status(bcm, BCM43xx_STAT_INITIALIZED);
3560 err = bcm43xx_initialize_irq(bcm);
3563 bcm43xx_interrupt_enable(bcm, bcm->irq_savedstate);
3565 dprintk(KERN_INFO PFX "Selected 802.11 core (phytype %d)\n",
3566 active_wlext->phy.type);
3571 bcm43xx_set_status(bcm, BCM43xx_STAT_UNINIT);
3572 bcm43xx_pctl_set_clock(bcm, BCM43xx_PCTL_CLK_SLOW);
3576 static int bcm43xx_init_board(struct bcm43xx_private *bcm)
3580 mutex_lock(&(bcm)->mutex);
3582 tasklet_enable(&bcm->isr_tasklet);
3583 err = bcm43xx_pctl_set_crystal(bcm, 1);
3586 err = bcm43xx_pctl_init(bcm);
3588 goto err_crystal_off;
3589 err = bcm43xx_select_wireless_core(bcm, -1);
3591 goto err_crystal_off;
3592 err = bcm43xx_sysfs_register(bcm);
3594 goto err_wlshutdown;
3595 err = bcm43xx_rng_init(bcm);
3597 goto err_sysfs_unreg;
3598 bcm43xx_periodic_tasks_setup(bcm);
3600 /*FIXME: This should be handled by softmac instead. */
3601 schedule_work(&bcm->softmac->associnfo.work);
3604 mutex_unlock(&(bcm)->mutex);
3609 bcm43xx_sysfs_unregister(bcm);
3611 bcm43xx_shutdown_all_wireless_cores(bcm);
3613 bcm43xx_pctl_set_crystal(bcm, 0);
3615 tasklet_disable(&bcm->isr_tasklet);
3619 static void bcm43xx_detach_board(struct bcm43xx_private *bcm)
3621 struct pci_dev *pci_dev = bcm->pci_dev;
3624 bcm43xx_chipset_detach(bcm);
3625 /* Do _not_ access the chip, after it is detached. */
3626 pci_iounmap(pci_dev, bcm->mmio_addr);
3627 pci_release_regions(pci_dev);
3628 pci_disable_device(pci_dev);
3630 /* Free allocated structures/fields */
3631 for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) {
3632 kfree(bcm->core_80211_ext[i].phy._lo_pairs);
3633 if (bcm->core_80211_ext[i].phy.dyn_tssi_tbl)
3634 kfree(bcm->core_80211_ext[i].phy.tssi2dbm);
3638 static int bcm43xx_read_phyinfo(struct bcm43xx_private *bcm)
3640 struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
3648 value = bcm43xx_read16(bcm, BCM43xx_MMIO_PHY_VER);
3650 phy_version = (value & 0xF000) >> 12;
3651 phy_type = (value & 0x0F00) >> 8;
3652 phy_rev = (value & 0x000F);
3654 dprintk(KERN_INFO PFX "Detected PHY: Version: %x, Type %x, Revision %x\n",
3655 phy_version, phy_type, phy_rev);
3658 case BCM43xx_PHYTYPE_A:
3661 /*FIXME: We need to switch the ieee->modulation, etc.. flags,
3662 * if we switch 80211 cores after init is done.
3663 * As we do not implement on the fly switching between
3664 * wireless cores, I will leave this as a future task.
3666 bcm->ieee->modulation = IEEE80211_OFDM_MODULATION;
3667 bcm->ieee->mode = IEEE_A;
3668 bcm->ieee->freq_band = IEEE80211_52GHZ_BAND |
3669 IEEE80211_24GHZ_BAND;
3671 case BCM43xx_PHYTYPE_B:
3672 if (phy_rev != 2 && phy_rev != 4 && phy_rev != 6 && phy_rev != 7)
3674 bcm->ieee->modulation = IEEE80211_CCK_MODULATION;
3675 bcm->ieee->mode = IEEE_B;
3676 bcm->ieee->freq_band = IEEE80211_24GHZ_BAND;
3678 case BCM43xx_PHYTYPE_G:
3681 bcm->ieee->modulation = IEEE80211_OFDM_MODULATION |
3682 IEEE80211_CCK_MODULATION;
3683 bcm->ieee->mode = IEEE_G;
3684 bcm->ieee->freq_band = IEEE80211_24GHZ_BAND;
3687 printk(KERN_ERR PFX "Error: Unknown PHY Type %x\n",
3691 bcm->ieee->perfect_rssi = RX_RSSI_MAX;
3692 bcm->ieee->worst_rssi = 0;
3694 printk(KERN_WARNING PFX "Invalid PHY Revision %x\n",
3698 phy->version = phy_version;
3699 phy->type = phy_type;
3701 if ((phy_type == BCM43xx_PHYTYPE_B) || (phy_type == BCM43xx_PHYTYPE_G)) {
3702 p = kzalloc(sizeof(struct bcm43xx_lopair) * BCM43xx_LO_COUNT,
3712 static int bcm43xx_attach_board(struct bcm43xx_private *bcm)
3714 struct pci_dev *pci_dev = bcm->pci_dev;
3715 struct net_device *net_dev = bcm->net_dev;
3720 err = pci_enable_device(pci_dev);
3722 printk(KERN_ERR PFX "pci_enable_device() failed\n");
3725 err = pci_request_regions(pci_dev, KBUILD_MODNAME);
3727 printk(KERN_ERR PFX "pci_request_regions() failed\n");
3728 goto err_pci_disable;
3730 /* enable PCI bus-mastering */
3731 pci_set_master(pci_dev);
3732 bcm->mmio_addr = pci_iomap(pci_dev, 0, ~0UL);
3733 if (!bcm->mmio_addr) {
3734 printk(KERN_ERR PFX "pci_iomap() failed\n");
3736 goto err_pci_release;
3738 net_dev->base_addr = (unsigned long)bcm->mmio_addr;
3740 bcm43xx_pci_read_config16(bcm, PCI_SUBSYSTEM_VENDOR_ID,
3741 &bcm->board_vendor);
3742 bcm43xx_pci_read_config16(bcm, PCI_SUBSYSTEM_ID,
3744 bcm43xx_pci_read_config16(bcm, PCI_REVISION_ID,
3745 &bcm->board_revision);
3747 err = bcm43xx_chipset_attach(bcm);
3750 err = bcm43xx_pctl_init(bcm);
3752 goto err_chipset_detach;
3753 err = bcm43xx_probe_cores(bcm);
3755 goto err_chipset_detach;
3757 /* Attach all IO cores to the backplane. */
3759 for (i = 0; i < bcm->nr_80211_available; i++)
3760 coremask |= (1 << bcm->core_80211[i].index);
3761 //FIXME: Also attach some non80211 cores?
3762 err = bcm43xx_setup_backplane_pci_connection(bcm, coremask);
3764 printk(KERN_ERR PFX "Backplane->PCI connection failed!\n");
3765 goto err_chipset_detach;
3768 err = bcm43xx_sprom_extract(bcm);
3770 goto err_chipset_detach;
3771 err = bcm43xx_leds_init(bcm);
3773 goto err_chipset_detach;
3775 for (i = 0; i < bcm->nr_80211_available; i++) {
3776 err = bcm43xx_switch_core(bcm, &bcm->core_80211[i]);
3777 assert(err != -ENODEV);
3779 goto err_80211_unwind;
3781 /* Enable the selected wireless core.
3782 * Connect PHY only on the first core.
3784 bcm43xx_wireless_core_reset(bcm, (i == 0));
3786 err = bcm43xx_read_phyinfo(bcm);
3787 if (err && (i == 0))
3788 goto err_80211_unwind;
3790 err = bcm43xx_read_radioinfo(bcm);
3791 if (err && (i == 0))
3792 goto err_80211_unwind;
3794 err = bcm43xx_validate_chip(bcm);
3795 if (err && (i == 0))
3796 goto err_80211_unwind;
3798 bcm43xx_radio_turn_off(bcm);
3799 err = bcm43xx_phy_init_tssi2dbm_table(bcm);
3801 goto err_80211_unwind;
3802 bcm43xx_wireless_core_disable(bcm);
3804 err = bcm43xx_geo_init(bcm);
3806 goto err_80211_unwind;
3807 bcm43xx_pctl_set_crystal(bcm, 0);
3809 /* Set the MAC address in the networking subsystem */
3810 if (is_valid_ether_addr(bcm->sprom.et1macaddr))
3811 memcpy(bcm->net_dev->dev_addr, bcm->sprom.et1macaddr, 6);
3813 memcpy(bcm->net_dev->dev_addr, bcm->sprom.il0macaddr, 6);
3815 snprintf(bcm->nick, IW_ESSID_MAX_SIZE,
3816 "Broadcom %04X", bcm->chip_id);
3823 for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) {
3824 kfree(bcm->core_80211_ext[i].phy._lo_pairs);
3825 if (bcm->core_80211_ext[i].phy.dyn_tssi_tbl)
3826 kfree(bcm->core_80211_ext[i].phy.tssi2dbm);
3829 bcm43xx_chipset_detach(bcm);
3831 pci_iounmap(pci_dev, bcm->mmio_addr);
3833 pci_release_regions(pci_dev);
3835 pci_disable_device(pci_dev);
3839 /* Do the Hardware IO operations to send the txb */
3840 static inline int bcm43xx_tx(struct bcm43xx_private *bcm,
3841 struct ieee80211_txb *txb)
3845 if (bcm43xx_using_pio(bcm))
3846 err = bcm43xx_pio_tx(bcm, txb);
3848 err = bcm43xx_dma_tx(bcm, txb);
3849 bcm->net_dev->trans_start = jiffies;
3854 static void bcm43xx_ieee80211_set_chan(struct net_device *net_dev,
3857 struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
3858 struct bcm43xx_radioinfo *radio;
3859 unsigned long flags;
3861 mutex_lock(&bcm->mutex);
3862 spin_lock_irqsave(&bcm->irq_lock, flags);
3863 if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED) {
3864 bcm43xx_mac_suspend(bcm);
3865 bcm43xx_radio_selectchannel(bcm, channel, 0);
3866 bcm43xx_mac_enable(bcm);
3868 radio = bcm43xx_current_radio(bcm);
3869 radio->initial_channel = channel;
3871 spin_unlock_irqrestore(&bcm->irq_lock, flags);
3872 mutex_unlock(&bcm->mutex);
3875 /* set_security() callback in struct ieee80211_device */
3876 static void bcm43xx_ieee80211_set_security(struct net_device *net_dev,
3877 struct ieee80211_security *sec)
3879 struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
3880 struct ieee80211_security *secinfo = &bcm->ieee->sec;
3881 unsigned long flags;
3884 dprintk(KERN_INFO PFX "set security called");
3886 mutex_lock(&bcm->mutex);
3887 spin_lock_irqsave(&bcm->irq_lock, flags);
3889 for (keyidx = 0; keyidx<WEP_KEYS; keyidx++)
3890 if (sec->flags & (1<<keyidx)) {
3891 secinfo->encode_alg[keyidx] = sec->encode_alg[keyidx];
3892 secinfo->key_sizes[keyidx] = sec->key_sizes[keyidx];
3893 memcpy(secinfo->keys[keyidx], sec->keys[keyidx], SCM_KEY_LEN);
3896 if (sec->flags & SEC_ACTIVE_KEY) {
3897 secinfo->active_key = sec->active_key;
3898 dprintk(", .active_key = %d", sec->active_key);
3900 if (sec->flags & SEC_UNICAST_GROUP) {
3901 secinfo->unicast_uses_group = sec->unicast_uses_group;
3902 dprintk(", .unicast_uses_group = %d", sec->unicast_uses_group);
3904 if (sec->flags & SEC_LEVEL) {
3905 secinfo->level = sec->level;
3906 dprintk(", .level = %d", sec->level);
3908 if (sec->flags & SEC_ENABLED) {
3909 secinfo->enabled = sec->enabled;
3910 dprintk(", .enabled = %d", sec->enabled);
3912 if (sec->flags & SEC_ENCRYPT) {
3913 secinfo->encrypt = sec->encrypt;
3914 dprintk(", .encrypt = %d", sec->encrypt);
3916 if (sec->flags & SEC_AUTH_MODE) {
3917 secinfo->auth_mode = sec->auth_mode;
3918 dprintk(", .auth_mode = %d", sec->auth_mode);
3921 if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED &&
3922 !bcm->ieee->host_encrypt) {
3923 if (secinfo->enabled) {
3924 /* upload WEP keys to hardware */
3925 char null_address[6] = { 0 };
3927 for (keyidx = 0; keyidx<WEP_KEYS; keyidx++) {
3928 if (!(sec->flags & (1<<keyidx)))
3930 switch (sec->encode_alg[keyidx]) {
3931 case SEC_ALG_NONE: algorithm = BCM43xx_SEC_ALGO_NONE; break;
3933 algorithm = BCM43xx_SEC_ALGO_WEP;
3934 if (secinfo->key_sizes[keyidx] == 13)
3935 algorithm = BCM43xx_SEC_ALGO_WEP104;
3939 algorithm = BCM43xx_SEC_ALGO_TKIP;
3943 algorithm = BCM43xx_SEC_ALGO_AES;
3949 bcm43xx_key_write(bcm, keyidx, algorithm, sec->keys[keyidx], secinfo->key_sizes[keyidx], &null_address[0]);
3950 bcm->key[keyidx].enabled = 1;
3951 bcm->key[keyidx].algorithm = algorithm;
3954 bcm43xx_clear_keys(bcm);
3956 spin_unlock_irqrestore(&bcm->irq_lock, flags);
3957 mutex_unlock(&bcm->mutex);
3960 /* hard_start_xmit() callback in struct ieee80211_device */
3961 static int bcm43xx_ieee80211_hard_start_xmit(struct ieee80211_txb *txb,
3962 struct net_device *net_dev,
3965 struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
3967 unsigned long flags;
3969 spin_lock_irqsave(&bcm->irq_lock, flags);
3970 if (likely(bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED))
3971 err = bcm43xx_tx(bcm, txb);
3972 spin_unlock_irqrestore(&bcm->irq_lock, flags);
3975 return NETDEV_TX_BUSY;
3976 return NETDEV_TX_OK;
3979 static struct net_device_stats * bcm43xx_net_get_stats(struct net_device *net_dev)
3981 return &(bcm43xx_priv(net_dev)->ieee->stats);
3984 static void bcm43xx_net_tx_timeout(struct net_device *net_dev)
3986 struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
3987 unsigned long flags;
3989 spin_lock_irqsave(&bcm->irq_lock, flags);
3990 bcm43xx_controller_restart(bcm, "TX timeout");
3991 spin_unlock_irqrestore(&bcm->irq_lock, flags);
3994 #ifdef CONFIG_NET_POLL_CONTROLLER
3995 static void bcm43xx_net_poll_controller(struct net_device *net_dev)
3997 struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
3998 unsigned long flags;
4000 local_irq_save(flags);
4001 if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED)
4002 bcm43xx_interrupt_handler(bcm->irq, bcm);
4003 local_irq_restore(flags);
4005 #endif /* CONFIG_NET_POLL_CONTROLLER */
4007 static int bcm43xx_net_open(struct net_device *net_dev)
4009 struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
4011 return bcm43xx_init_board(bcm);
4014 static int bcm43xx_net_stop(struct net_device *net_dev)
4016 struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
4019 ieee80211softmac_stop(net_dev);
4020 err = bcm43xx_disable_interrupts_sync(bcm);
4022 bcm43xx_free_board(bcm);
4023 flush_scheduled_work();
4028 static int bcm43xx_init_private(struct bcm43xx_private *bcm,
4029 struct net_device *net_dev,
4030 struct pci_dev *pci_dev)
4032 bcm43xx_set_status(bcm, BCM43xx_STAT_UNINIT);
4033 bcm->ieee = netdev_priv(net_dev);
4034 bcm->softmac = ieee80211_priv(net_dev);
4035 bcm->softmac->set_channel = bcm43xx_ieee80211_set_chan;
4037 bcm->irq_savedstate = BCM43xx_IRQ_INITIAL;
4038 bcm->mac_suspended = 1;
4039 bcm->pci_dev = pci_dev;
4040 bcm->net_dev = net_dev;
4041 bcm->bad_frames_preempt = modparam_bad_frames_preempt;
4042 spin_lock_init(&bcm->irq_lock);
4043 spin_lock_init(&bcm->leds_lock);
4044 mutex_init(&bcm->mutex);
4045 tasklet_init(&bcm->isr_tasklet,
4046 (void (*)(unsigned long))bcm43xx_interrupt_tasklet,
4047 (unsigned long)bcm);
4048 tasklet_disable_nosync(&bcm->isr_tasklet);
4050 bcm->__using_pio = 1;
4051 bcm->rts_threshold = BCM43xx_DEFAULT_RTS_THRESHOLD;
4053 /* default to sw encryption for now */
4054 bcm->ieee->host_build_iv = 0;
4055 bcm->ieee->host_encrypt = 1;
4056 bcm->ieee->host_decrypt = 1;
4058 bcm->ieee->iw_mode = BCM43xx_INITIAL_IWMODE;
4059 bcm->ieee->tx_headroom = sizeof(struct bcm43xx_txhdr);
4060 bcm->ieee->set_security = bcm43xx_ieee80211_set_security;
4061 bcm->ieee->hard_start_xmit = bcm43xx_ieee80211_hard_start_xmit;
4066 static int __devinit bcm43xx_init_one(struct pci_dev *pdev,
4067 const struct pci_device_id *ent)
4069 struct net_device *net_dev;
4070 struct bcm43xx_private *bcm;
4073 #ifdef CONFIG_BCM947XX
4074 if ((pdev->bus->number == 0) && (pdev->device != 0x0800))
4078 #ifdef DEBUG_SINGLE_DEVICE_ONLY
4079 if (strcmp(pci_name(pdev), DEBUG_SINGLE_DEVICE_ONLY))
4083 net_dev = alloc_ieee80211softmac(sizeof(*bcm));
4086 "could not allocate ieee80211 device %s\n",
4091 /* initialize the net_device struct */
4092 SET_MODULE_OWNER(net_dev);
4093 SET_NETDEV_DEV(net_dev, &pdev->dev);
4095 net_dev->open = bcm43xx_net_open;
4096 net_dev->stop = bcm43xx_net_stop;
4097 net_dev->get_stats = bcm43xx_net_get_stats;
4098 net_dev->tx_timeout = bcm43xx_net_tx_timeout;
4099 #ifdef CONFIG_NET_POLL_CONTROLLER
4100 net_dev->poll_controller = bcm43xx_net_poll_controller;
4102 net_dev->wireless_handlers = &bcm43xx_wx_handlers_def;
4103 net_dev->irq = pdev->irq;
4104 SET_ETHTOOL_OPS(net_dev, &bcm43xx_ethtool_ops);
4106 /* initialize the bcm43xx_private struct */
4107 bcm = bcm43xx_priv(net_dev);
4108 memset(bcm, 0, sizeof(*bcm));
4109 err = bcm43xx_init_private(bcm, net_dev, pdev);
4111 goto err_free_netdev;
4113 pci_set_drvdata(pdev, net_dev);
4115 err = bcm43xx_attach_board(bcm);
4117 goto err_free_netdev;
4119 err = register_netdev(net_dev);
4121 printk(KERN_ERR PFX "Cannot register net device, "
4124 goto err_detach_board;
4127 bcm43xx_debugfs_add_device(bcm);
4134 bcm43xx_detach_board(bcm);
4136 free_ieee80211softmac(net_dev);
4140 static void __devexit bcm43xx_remove_one(struct pci_dev *pdev)
4142 struct net_device *net_dev = pci_get_drvdata(pdev);
4143 struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
4145 bcm43xx_debugfs_remove_device(bcm);
4146 unregister_netdev(net_dev);
4147 bcm43xx_detach_board(bcm);
4148 free_ieee80211softmac(net_dev);
4151 /* Hard-reset the chip. Do not call this directly.
4152 * Use bcm43xx_controller_restart()
4154 static void bcm43xx_chip_reset(void *_bcm)
4156 struct bcm43xx_private *bcm = _bcm;
4157 struct bcm43xx_phyinfo *phy;
4160 mutex_lock(&(bcm)->mutex);
4161 if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED) {
4162 bcm43xx_periodic_tasks_delete(bcm);
4163 phy = bcm43xx_current_phy(bcm);
4164 err = bcm43xx_select_wireless_core(bcm, phy->type);
4166 bcm43xx_periodic_tasks_setup(bcm);
4168 mutex_unlock(&(bcm)->mutex);
4170 printk(KERN_ERR PFX "Controller restart%s\n",
4171 (err == 0) ? "ed" : " failed");
4174 /* Hard-reset the chip.
4175 * This can be called from interrupt or process context.
4176 * bcm->irq_lock must be locked.
4178 void bcm43xx_controller_restart(struct bcm43xx_private *bcm, const char *reason)
4180 if (bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED)
4182 printk(KERN_ERR PFX "Controller RESET (%s) ...\n", reason);
4183 INIT_WORK(&bcm->restart_work, bcm43xx_chip_reset, bcm);
4184 schedule_work(&bcm->restart_work);
4189 static int bcm43xx_suspend(struct pci_dev *pdev, pm_message_t state)
4191 struct net_device *net_dev = pci_get_drvdata(pdev);
4192 struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
4195 dprintk(KERN_INFO PFX "Suspending...\n");
4197 netif_device_detach(net_dev);
4198 bcm->was_initialized = 0;
4199 if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED) {
4200 bcm->was_initialized = 1;
4201 ieee80211softmac_stop(net_dev);
4202 err = bcm43xx_disable_interrupts_sync(bcm);
4203 if (unlikely(err)) {
4204 dprintk(KERN_ERR PFX "Suspend failed.\n");
4207 bcm->firmware_norelease = 1;
4208 bcm43xx_free_board(bcm);
4209 bcm->firmware_norelease = 0;
4211 bcm43xx_chipset_detach(bcm);
4213 pci_save_state(pdev);
4214 pci_disable_device(pdev);
4215 pci_set_power_state(pdev, pci_choose_state(pdev, state));
4217 dprintk(KERN_INFO PFX "Device suspended.\n");
4222 static int bcm43xx_resume(struct pci_dev *pdev)
4224 struct net_device *net_dev = pci_get_drvdata(pdev);
4225 struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
4228 dprintk(KERN_INFO PFX "Resuming...\n");
4230 pci_set_power_state(pdev, 0);
4231 err = pci_enable_device(pdev);
4233 printk(KERN_ERR PFX "Failure with pci_enable_device!\n");
4236 pci_restore_state(pdev);
4238 bcm43xx_chipset_attach(bcm);
4239 if (bcm->was_initialized)
4240 err = bcm43xx_init_board(bcm);
4242 printk(KERN_ERR PFX "Resume failed!\n");
4245 netif_device_attach(net_dev);
4247 dprintk(KERN_INFO PFX "Device resumed.\n");
4252 #endif /* CONFIG_PM */
4254 static struct pci_driver bcm43xx_pci_driver = {
4255 .name = KBUILD_MODNAME,
4256 .id_table = bcm43xx_pci_tbl,
4257 .probe = bcm43xx_init_one,
4258 .remove = __devexit_p(bcm43xx_remove_one),
4260 .suspend = bcm43xx_suspend,
4261 .resume = bcm43xx_resume,
4262 #endif /* CONFIG_PM */
4265 static int __init bcm43xx_init(void)
4267 printk(KERN_INFO KBUILD_MODNAME " driver\n");
4268 bcm43xx_debugfs_init();
4269 return pci_register_driver(&bcm43xx_pci_driver);
4272 static void __exit bcm43xx_exit(void)
4274 pci_unregister_driver(&bcm43xx_pci_driver);
4275 bcm43xx_debugfs_exit();
4278 module_init(bcm43xx_init)
4279 module_exit(bcm43xx_exit)