aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/wireless/bcm43xx/bcm43xx_main.c
diff options
context:
space:
mode:
authorAdrian Bunk <bunk@kernel.org>2008-03-04 15:26:12 -0800
committerJohn W. Linville <linville@tuxdriver.com>2008-03-13 16:01:04 -0400
commit2079fcdc06ea01c084044c348dbcd7b3e335ad49 (patch)
tree5571610add4241c6184dbe327c42ad6a0a8ca06a /drivers/net/wireless/bcm43xx/bcm43xx_main.c
parentaffe0a02189eeec43757993b1ccb65f24e39afa5 (diff)
downloadlinux-linaro-android-2079fcdc06ea01c084044c348dbcd7b3e335ad49.tar.gz
the scheduled bcm43xx removal
Signed-off-by: Adrian Bunk <bunk@kernel.org> Cc: <Larry.Finger@lwfinger.net> Cc: <stefano.brivio@polimi.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/bcm43xx/bcm43xx_main.c')
-rw-r--r--drivers/net/wireless/bcm43xx/bcm43xx_main.c4281
1 files changed, 0 insertions, 4281 deletions
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.c b/drivers/net/wireless/bcm43xx/bcm43xx_main.c
deleted file mode 100644
index b96a325b6ec..00000000000
--- a/drivers/net/wireless/bcm43xx/bcm43xx_main.c
+++ /dev/null
@@ -1,4281 +0,0 @@
-/*
-
- Broadcom BCM43xx wireless driver
-
- Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
- Stefano Brivio <st3@riseup.net>
- Michael Buesch <mbuesch@freenet.de>
- Danny van Dyk <kugelfang@gentoo.org>
- Andreas Jaggi <andreas.jaggi@waterwave.ch>
-
- Some parts of the code in this file are derived from the ipw2200
- driver Copyright(c) 2003 - 2004 Intel Corporation.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; see the file COPYING. If not, write to
- the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
- Boston, MA 02110-1301, USA.
-
-*/
-
-#include <linux/delay.h>
-#include <linux/init.h>
-#include <linux/moduleparam.h>
-#include <linux/if_arp.h>
-#include <linux/etherdevice.h>
-#include <linux/version.h>
-#include <linux/firmware.h>
-#include <linux/wireless.h>
-#include <linux/workqueue.h>
-#include <linux/skbuff.h>
-#include <linux/dma-mapping.h>
-#include <net/iw_handler.h>
-
-#include "bcm43xx.h"
-#include "bcm43xx_main.h"
-#include "bcm43xx_debugfs.h"
-#include "bcm43xx_radio.h"
-#include "bcm43xx_phy.h"
-#include "bcm43xx_dma.h"
-#include "bcm43xx_pio.h"
-#include "bcm43xx_power.h"
-#include "bcm43xx_wx.h"
-#include "bcm43xx_ethtool.h"
-#include "bcm43xx_xmit.h"
-#include "bcm43xx_sysfs.h"
-
-
-MODULE_DESCRIPTION("Broadcom BCM43xx wireless driver");
-MODULE_AUTHOR("Martin Langer");
-MODULE_AUTHOR("Stefano Brivio");
-MODULE_AUTHOR("Michael Buesch");
-MODULE_LICENSE("GPL");
-
-#if defined(CONFIG_BCM43XX_DMA) && defined(CONFIG_BCM43XX_PIO)
-static int modparam_pio;
-module_param_named(pio, modparam_pio, int, 0444);
-MODULE_PARM_DESC(pio, "enable(1) / disable(0) PIO mode");
-#elif defined(CONFIG_BCM43XX_DMA)
-# define modparam_pio 0
-#elif defined(CONFIG_BCM43XX_PIO)
-# define modparam_pio 1
-#endif
-
-static int modparam_bad_frames_preempt;
-module_param_named(bad_frames_preempt, modparam_bad_frames_preempt, int, 0444);
-MODULE_PARM_DESC(bad_frames_preempt, "enable(1) / disable(0) Bad Frames Preemption");
-
-static int modparam_short_retry = BCM43xx_DEFAULT_SHORT_RETRY_LIMIT;
-module_param_named(short_retry, modparam_short_retry, int, 0444);
-MODULE_PARM_DESC(short_retry, "Short-Retry-Limit (0 - 15)");
-
-static int modparam_long_retry = BCM43xx_DEFAULT_LONG_RETRY_LIMIT;
-module_param_named(long_retry, modparam_long_retry, int, 0444);
-MODULE_PARM_DESC(long_retry, "Long-Retry-Limit (0 - 15)");
-
-static int modparam_locale = -1;
-module_param_named(locale, modparam_locale, int, 0444);
-MODULE_PARM_DESC(country, "Select LocaleCode 0-11 (For travelers)");
-
-static int modparam_noleds;
-module_param_named(noleds, modparam_noleds, int, 0444);
-MODULE_PARM_DESC(noleds, "Turn off all LED activity");
-
-static char modparam_fwpostfix[64];
-module_param_string(fwpostfix, modparam_fwpostfix, 64, 0444);
-MODULE_PARM_DESC(fwpostfix, "Postfix for .fw files. Useful for using multiple firmware image versions.");
-
-
-/* If you want to debug with just a single device, enable this,
- * where the string is the pci device ID (as given by the kernel's
- * pci_name function) of the device to be used.
- */
-//#define DEBUG_SINGLE_DEVICE_ONLY "0001:11:00.0"
-
-/* If you want to enable printing of each MMIO access, enable this. */
-//#define DEBUG_ENABLE_MMIO_PRINT
-
-/* If you want to enable printing of MMIO access within
- * ucode/pcm upload, initvals write, enable this.
- */
-//#define DEBUG_ENABLE_UCODE_MMIO_PRINT
-
-/* If you want to enable printing of PCI Config Space access, enable this */
-//#define DEBUG_ENABLE_PCILOG
-
-
-/* Detailed list maintained at:
- * http://openfacts.berlios.de/index-en.phtml?title=Bcm43xxDevices
- */
- static struct pci_device_id bcm43xx_pci_tbl[] = {
- /* Broadcom 4303 802.11b */
- { PCI_VENDOR_ID_BROADCOM, 0x4301, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
- /* Broadcom 4307 802.11b */
- { PCI_VENDOR_ID_BROADCOM, 0x4307, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
- /* Broadcom 4311 802.11(a)/b/g */
- { PCI_VENDOR_ID_BROADCOM, 0x4311, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
- /* Broadcom 4312 802.11a/b/g */
- { PCI_VENDOR_ID_BROADCOM, 0x4312, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
- /* Broadcom 4318 802.11b/g */
- { PCI_VENDOR_ID_BROADCOM, 0x4318, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
- /* Broadcom 4319 802.11a/b/g */
- { PCI_VENDOR_ID_BROADCOM, 0x4319, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
- /* Broadcom 4306 802.11b/g */
- { PCI_VENDOR_ID_BROADCOM, 0x4320, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
- /* Broadcom 4306 802.11a */
-// { PCI_VENDOR_ID_BROADCOM, 0x4321, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
- /* Broadcom 4309 802.11a/b/g */
- { PCI_VENDOR_ID_BROADCOM, 0x4324, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
- /* Broadcom 43XG 802.11b/g */
- { PCI_VENDOR_ID_BROADCOM, 0x4325, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
- { 0 },
-};
-MODULE_DEVICE_TABLE(pci, bcm43xx_pci_tbl);
-
-static void bcm43xx_ram_write(struct bcm43xx_private *bcm, u16 offset, u32 val)
-{
- u32 status;
-
- status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
- if (!(status & BCM43xx_SBF_XFER_REG_BYTESWAP))
- val = swab32(val);
-
- bcm43xx_write32(bcm, BCM43xx_MMIO_RAM_CONTROL, offset);
- mmiowb();
- bcm43xx_write32(bcm, BCM43xx_MMIO_RAM_DATA, val);
-}
-
-static inline
-void bcm43xx_shm_control_word(struct bcm43xx_private *bcm,
- u16 routing, u16 offset)
-{
- u32 control;
-
- /* "offset" is the WORD offset. */
-
- control = routing;
- control <<= 16;
- control |= offset;
- bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_CONTROL, control);
-}
-
-u32 bcm43xx_shm_read32(struct bcm43xx_private *bcm,
- u16 routing, u16 offset)
-{
- u32 ret;
-
- if (routing == BCM43xx_SHM_SHARED) {
- if (offset & 0x0003) {
- /* Unaligned access */
- bcm43xx_shm_control_word(bcm, routing, offset >> 2);
- ret = bcm43xx_read16(bcm, BCM43xx_MMIO_SHM_DATA_UNALIGNED);
- ret <<= 16;
- bcm43xx_shm_control_word(bcm, routing, (offset >> 2) + 1);
- ret |= bcm43xx_read16(bcm, BCM43xx_MMIO_SHM_DATA);
-
- return ret;
- }
- offset >>= 2;
- }
- bcm43xx_shm_control_word(bcm, routing, offset);
- ret = bcm43xx_read32(bcm, BCM43xx_MMIO_SHM_DATA);
-
- return ret;
-}
-
-u16 bcm43xx_shm_read16(struct bcm43xx_private *bcm,
- u16 routing, u16 offset)
-{
- u16 ret;
-
- if (routing == BCM43xx_SHM_SHARED) {
- if (offset & 0x0003) {
- /* Unaligned access */
- bcm43xx_shm_control_word(bcm, routing, offset >> 2);
- ret = bcm43xx_read16(bcm, BCM43xx_MMIO_SHM_DATA_UNALIGNED);
-
- return ret;
- }
- offset >>= 2;
- }
- bcm43xx_shm_control_word(bcm, routing, offset);
- ret = bcm43xx_read16(bcm, BCM43xx_MMIO_SHM_DATA);
-
- return ret;
-}
-
-void bcm43xx_shm_write32(struct bcm43xx_private *bcm,
- u16 routing, u16 offset,
- u32 value)
-{
- if (routing == BCM43xx_SHM_SHARED) {
- if (offset & 0x0003) {
- /* Unaligned access */
- bcm43xx_shm_control_word(bcm, routing, offset >> 2);
- mmiowb();
- bcm43xx_write16(bcm, BCM43xx_MMIO_SHM_DATA_UNALIGNED,
- (value >> 16) & 0xffff);
- mmiowb();
- bcm43xx_shm_control_word(bcm, routing, (offset >> 2) + 1);
- mmiowb();
- bcm43xx_write16(bcm, BCM43xx_MMIO_SHM_DATA,
- value & 0xffff);
- return;
- }
- offset >>= 2;
- }
- bcm43xx_shm_control_word(bcm, routing, offset);
- mmiowb();
- bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_DATA, value);
-}
-
-void bcm43xx_shm_write16(struct bcm43xx_private *bcm,
- u16 routing, u16 offset,
- u16 value)
-{
- if (routing == BCM43xx_SHM_SHARED) {
- if (offset & 0x0003) {
- /* Unaligned access */
- bcm43xx_shm_control_word(bcm, routing, offset >> 2);
- mmiowb();
- bcm43xx_write16(bcm, BCM43xx_MMIO_SHM_DATA_UNALIGNED,
- value);
- return;
- }
- offset >>= 2;
- }
- bcm43xx_shm_control_word(bcm, routing, offset);
- mmiowb();
- bcm43xx_write16(bcm, BCM43xx_MMIO_SHM_DATA, value);
-}
-
-void bcm43xx_tsf_read(struct bcm43xx_private *bcm, u64 *tsf)
-{
- /* We need to be careful. As we read the TSF from multiple
- * registers, we should take care of register overflows.
- * In theory, the whole tsf read process should be atomic.
- * We try to be atomic here, by restaring the read process,
- * if any of the high registers changed (overflew).
- */
- if (bcm->current_core->rev >= 3) {
- u32 low, high, high2;
-
- do {
- high = bcm43xx_read32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_HIGH);
- low = bcm43xx_read32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_LOW);
- high2 = bcm43xx_read32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_HIGH);
- } while (unlikely(high != high2));
-
- *tsf = high;
- *tsf <<= 32;
- *tsf |= low;
- } else {
- u64 tmp;
- u16 v0, v1, v2, v3;
- u16 test1, test2, test3;
-
- do {
- v3 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_3);
- v2 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_2);
- v1 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_1);
- v0 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_0);
-
- test3 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_3);
- test2 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_2);
- test1 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_1);
- } while (v3 != test3 || v2 != test2 || v1 != test1);
-
- *tsf = v3;
- *tsf <<= 48;
- tmp = v2;
- tmp <<= 32;
- *tsf |= tmp;
- tmp = v1;
- tmp <<= 16;
- *tsf |= tmp;
- *tsf |= v0;
- }
-}
-
-void bcm43xx_tsf_write(struct bcm43xx_private *bcm, u64 tsf)
-{
- u32 status;
-
- status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
- status |= BCM43xx_SBF_TIME_UPDATE;
- bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status);
- mmiowb();
-
- /* Be careful with the in-progress timer.
- * First zero out the low register, so we have a full
- * register-overflow duration to complete the operation.
- */
- if (bcm->current_core->rev >= 3) {
- u32 lo = (tsf & 0x00000000FFFFFFFFULL);
- u32 hi = (tsf & 0xFFFFFFFF00000000ULL) >> 32;
-
- bcm43xx_write32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_LOW, 0);
- mmiowb();
- bcm43xx_write32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_HIGH, hi);
- mmiowb();
- bcm43xx_write32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_LOW, lo);
- } else {
- u16 v0 = (tsf & 0x000000000000FFFFULL);
- u16 v1 = (tsf & 0x00000000FFFF0000ULL) >> 16;
- u16 v2 = (tsf & 0x0000FFFF00000000ULL) >> 32;
- u16 v3 = (tsf & 0xFFFF000000000000ULL) >> 48;
-
- bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_0, 0);
- mmiowb();
- bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_3, v3);
- mmiowb();
- bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_2, v2);
- mmiowb();
- bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_1, v1);
- mmiowb();
- bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_0, v0);
- }
-
- status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
- status &= ~BCM43xx_SBF_TIME_UPDATE;
- bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status);
-}
-
-static
-void bcm43xx_macfilter_set(struct bcm43xx_private *bcm,
- u16 offset,
- const u8 *mac)
-{
- u16 data;
-
- offset |= 0x0020;
- bcm43xx_write16(bcm, BCM43xx_MMIO_MACFILTER_CONTROL, offset);
-
- data = mac[0];
- data |= mac[1] << 8;
- bcm43xx_write16(bcm, BCM43xx_MMIO_MACFILTER_DATA, data);
- data = mac[2];
- data |= mac[3] << 8;
- bcm43xx_write16(bcm, BCM43xx_MMIO_MACFILTER_DATA, data);
- data = mac[4];
- data |= mac[5] << 8;
- bcm43xx_write16(bcm, BCM43xx_MMIO_MACFILTER_DATA, data);
-}
-
-static void bcm43xx_macfilter_clear(struct bcm43xx_private *bcm,
- u16 offset)
-{
- const u8 zero_addr[ETH_ALEN] = { 0 };
-
- bcm43xx_macfilter_set(bcm, offset, zero_addr);
-}
-
-static void bcm43xx_write_mac_bssid_templates(struct bcm43xx_private *bcm)
-{
- const u8 *mac = (const u8 *)(bcm->net_dev->dev_addr);
- const u8 *bssid = (const u8 *)(bcm->ieee->bssid);
- u8 mac_bssid[ETH_ALEN * 2];
- int i;
-
- memcpy(mac_bssid, mac, ETH_ALEN);
- memcpy(mac_bssid + ETH_ALEN, bssid, ETH_ALEN);
-
- /* Write our MAC address and BSSID to template ram */
- for (i = 0; i < ARRAY_SIZE(mac_bssid); i += sizeof(u32))
- bcm43xx_ram_write(bcm, 0x20 + i, *((u32 *)(mac_bssid + i)));
- for (i = 0; i < ARRAY_SIZE(mac_bssid); i += sizeof(u32))
- bcm43xx_ram_write(bcm, 0x78 + i, *((u32 *)(mac_bssid + i)));
- for (i = 0; i < ARRAY_SIZE(mac_bssid); i += sizeof(u32))
- bcm43xx_ram_write(bcm, 0x478 + i, *((u32 *)(mac_bssid + i)));
-}
-
-//FIXME: Well, we should probably call them from somewhere.
-#if 0
-static void bcm43xx_set_slot_time(struct bcm43xx_private *bcm, u16 slot_time)
-{
- /* slot_time is in usec. */
- if (bcm43xx_current_phy(bcm)->type != BCM43xx_PHYTYPE_G)
- return;
- bcm43xx_write16(bcm, 0x684, 510 + slot_time);
- bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0010, slot_time);
-}
-
-static void bcm43xx_short_slot_timing_enable(struct bcm43xx_private *bcm)
-{
- bcm43xx_set_slot_time(bcm, 9);
-}
-
-static void bcm43xx_short_slot_timing_disable(struct bcm43xx_private *bcm)
-{
- bcm43xx_set_slot_time(bcm, 20);
-}
-#endif
-
-/* FIXME: To get the MAC-filter working, we need to implement the
- * following functions (and rename them :)
- */
-#if 0
-static void bcm43xx_disassociate(struct bcm43xx_private *bcm)
-{
- bcm43xx_mac_suspend(bcm);
- bcm43xx_macfilter_clear(bcm, BCM43xx_MACFILTER_ASSOC);
-
- bcm43xx_ram_write(bcm, 0x0026, 0x0000);
- bcm43xx_ram_write(bcm, 0x0028, 0x0000);
- bcm43xx_ram_write(bcm, 0x007E, 0x0000);
- bcm43xx_ram_write(bcm, 0x0080, 0x0000);
- bcm43xx_ram_write(bcm, 0x047E, 0x0000);
- bcm43xx_ram_write(bcm, 0x0480, 0x0000);
-
- if (bcm->current_core->rev < 3) {
- bcm43xx_write16(bcm, 0x0610, 0x8000);
- bcm43xx_write16(bcm, 0x060E, 0x0000);
- } else
- bcm43xx_write32(bcm, 0x0188, 0x80000000);
-
- bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0004, 0x000003ff);
-
- if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_G &&
- ieee80211_is_ofdm_rate(bcm->softmac->txrates.default_rate))
- bcm43xx_short_slot_timing_enable(bcm);
-
- bcm43xx_mac_enable(bcm);
-}
-
-static void bcm43xx_associate(struct bcm43xx_private *bcm,
- const u8 *mac)
-{
- memcpy(bcm->ieee->bssid, mac, ETH_ALEN);
-
- bcm43xx_mac_suspend(bcm);
- bcm43xx_macfilter_set(bcm, BCM43xx_MACFILTER_ASSOC, mac);
- bcm43xx_write_mac_bssid_templates(bcm);
- bcm43xx_mac_enable(bcm);
-}
-#endif
-
-/* Enable a Generic IRQ. "mask" is the mask of which IRQs to enable.
- * Returns the _previously_ enabled IRQ mask.
- */
-static inline u32 bcm43xx_interrupt_enable(struct bcm43xx_private *bcm, u32 mask)
-{
- u32 old_mask;
-
- old_mask = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK);
- bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK, old_mask | mask);
-
- return old_mask;
-}
-
-/* Disable a Generic IRQ. "mask" is the mask of which IRQs to disable.
- * Returns the _previously_ enabled IRQ mask.
- */
-static inline u32 bcm43xx_interrupt_disable(struct bcm43xx_private *bcm, u32 mask)
-{
- u32 old_mask;
-
- old_mask = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK);
- bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK, old_mask & ~mask);
-
- return old_mask;
-}
-
-/* Synchronize IRQ top- and bottom-half.
- * IRQs must be masked before calling this.
- * This must not be called with the irq_lock held.
- */
-static void bcm43xx_synchronize_irq(struct bcm43xx_private *bcm)
-{
- synchronize_irq(bcm->irq);
- tasklet_disable(&bcm->isr_tasklet);
-}
-
-/* Make sure we don't receive more data from the device. */
-static int bcm43xx_disable_interrupts_sync(struct bcm43xx_private *bcm)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&bcm->irq_lock, flags);
- if (unlikely(bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED)) {
- spin_unlock_irqrestore(&bcm->irq_lock, flags);
- return -EBUSY;
- }
- bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL);
- bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK); /* flush */
- spin_unlock_irqrestore(&bcm->irq_lock, flags);
- bcm43xx_synchronize_irq(bcm);
-
- return 0;
-}
-
-static int bcm43xx_read_radioinfo(struct bcm43xx_private *bcm)
-{
- struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
- struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
- u32 radio_id;
- u16 manufact;
- u16 version;
- u8 revision;
-
- if (bcm->chip_id == 0x4317) {
- if (bcm->chip_rev == 0x00)
- radio_id = 0x3205017F;
- else if (bcm->chip_rev == 0x01)
- radio_id = 0x4205017F;
- else
- radio_id = 0x5205017F;
- } else {
- bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_CONTROL, BCM43xx_RADIOCTL_ID);
- radio_id = bcm43xx_read16(bcm, BCM43xx_MMIO_RADIO_DATA_HIGH);
- radio_id <<= 16;
- bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_CONTROL, BCM43xx_RADIOCTL_ID);
- radio_id |= bcm43xx_read16(bcm, BCM43xx_MMIO_RADIO_DATA_LOW);
- }
-
- manufact = (radio_id & 0x00000FFF);
- version = (radio_id & 0x0FFFF000) >> 12;
- revision = (radio_id & 0xF0000000) >> 28;
-
- dprintk(KERN_INFO PFX "Detected Radio: ID: %x (Manuf: %x Ver: %x Rev: %x)\n",
- radio_id, manufact, version, revision);
-
- switch (phy->type) {
- case BCM43xx_PHYTYPE_A:
- if ((version != 0x2060) || (revision != 1) || (manufact != 0x17f))
- goto err_unsupported_radio;
- break;
- case BCM43xx_PHYTYPE_B:
- if ((version & 0xFFF0) != 0x2050)
- goto err_unsupported_radio;
- break;
- case BCM43xx_PHYTYPE_G:
- if (version != 0x2050)
- goto err_unsupported_radio;
- break;
- }
-
- radio->manufact = manufact;
- radio->version = version;
- radio->revision = revision;
-
- if (phy->type == BCM43xx_PHYTYPE_A)
- radio->txpower_desired = bcm->sprom.maxpower_aphy;
- else
- radio->txpower_desired = bcm->sprom.maxpower_bgphy;
-
- return 0;
-
-err_unsupported_radio:
- printk(KERN_ERR PFX "Unsupported Radio connected to the PHY!\n");
- return -ENODEV;
-}
-
-static const char * bcm43xx_locale_iso(u8 locale)
-{
- /* ISO 3166-1 country codes.
- * Note that there aren't ISO 3166-1 codes for
- * all or locales. (Not all locales are countries)
- */
- switch (locale) {
- case BCM43xx_LOCALE_WORLD:
- case BCM43xx_LOCALE_ALL:
- return "XX";
- case BCM43xx_LOCALE_THAILAND:
- return "TH";
- case BCM43xx_LOCALE_ISRAEL:
- return "IL";
- case BCM43xx_LOCALE_JORDAN:
- return "JO";
- case BCM43xx_LOCALE_CHINA:
- return "CN";
- case BCM43xx_LOCALE_JAPAN:
- case BCM43xx_LOCALE_JAPAN_HIGH:
- return "JP";
- case BCM43xx_LOCALE_USA_CANADA_ANZ:
- case BCM43xx_LOCALE_USA_LOW:
- return "US";
- case BCM43xx_LOCALE_EUROPE:
- return "EU";
- case BCM43xx_LOCALE_NONE:
- return " ";
- }
- assert(0);
- return " ";
-}
-
-static const char * bcm43xx_locale_string(u8 locale)
-{
- switch (locale) {
- case BCM43xx_LOCALE_WORLD:
- return "World";
- case BCM43xx_LOCALE_THAILAND:
- return "Thailand";
- case BCM43xx_LOCALE_ISRAEL:
- return "Israel";
- case BCM43xx_LOCALE_JORDAN:
- return "Jordan";
- case BCM43xx_LOCALE_CHINA:
- return "China";
- case BCM43xx_LOCALE_JAPAN:
- return "Japan";
- case BCM43xx_LOCALE_USA_CANADA_ANZ:
- return "USA/Canada/ANZ";
- case BCM43xx_LOCALE_EUROPE:
- return "Europe";
- case BCM43xx_LOCALE_USA_LOW:
- return "USAlow";
- case BCM43xx_LOCALE_JAPAN_HIGH:
- return "JapanHigh";
- case BCM43xx_LOCALE_ALL:
- return "All";
- case BCM43xx_LOCALE_NONE:
- return "None";
- }
- assert(0);
- return "";
-}
-
-static inline u8 bcm43xx_crc8(u8 crc, u8 data)
-{
- static const u8 t[] = {
- 0x00, 0xF7, 0xB9, 0x4E, 0x25, 0xD2, 0x9C, 0x6B,
- 0x4A, 0xBD, 0xF3, 0x04, 0x6F, 0x98, 0xD6, 0x21,
- 0x94, 0x63, 0x2D, 0xDA, 0xB1, 0x46, 0x08, 0xFF,
- 0xDE, 0x29, 0x67, 0x90, 0xFB, 0x0C, 0x42, 0xB5,
- 0x7F, 0x88, 0xC6, 0x31, 0x5A, 0xAD, 0xE3, 0x14,
- 0x35, 0xC2, 0x8C, 0x7B, 0x10, 0xE7, 0xA9, 0x5E,
- 0xEB, 0x1C, 0x52, 0xA5, 0xCE, 0x39, 0x77, 0x80,
- 0xA1, 0x56, 0x18, 0xEF, 0x84, 0x73, 0x3D, 0xCA,
- 0xFE, 0x09, 0x47, 0xB0, 0xDB, 0x2C, 0x62, 0x95,
- 0xB4, 0x43, 0x0D, 0xFA, 0x91, 0x66, 0x28, 0xDF,
- 0x6A, 0x9D, 0xD3, 0x24, 0x4F, 0xB8, 0xF6, 0x01,
- 0x20, 0xD7, 0x99, 0x6E, 0x05, 0xF2, 0xBC, 0x4B,
- 0x81, 0x76, 0x38, 0xCF, 0xA4, 0x53, 0x1D, 0xEA,
- 0xCB, 0x3C, 0x72, 0x85, 0xEE, 0x19, 0x57, 0xA0,
- 0x15, 0xE2, 0xAC, 0x5B, 0x30, 0xC7, 0x89, 0x7E,
- 0x5F, 0xA8, 0xE6, 0x11, 0x7A, 0x8D, 0xC3, 0x34,
- 0xAB, 0x5C, 0x12, 0xE5, 0x8E, 0x79, 0x37, 0xC0,
- 0xE1, 0x16, 0x58, 0xAF, 0xC4, 0x33, 0x7D, 0x8A,
- 0x3F, 0xC8, 0x86, 0x71, 0x1A, 0xED, 0xA3, 0x54,
- 0x75, 0x82, 0xCC, 0x3B, 0x50, 0xA7, 0xE9, 0x1E,
- 0xD4, 0x23, 0x6D, 0x9A, 0xF1, 0x06, 0x48, 0xBF,
- 0x9E, 0x69, 0x27, 0xD0, 0xBB, 0x4C, 0x02, 0xF5,
- 0x40, 0xB7, 0xF9, 0x0E, 0x65, 0x92, 0xDC, 0x2B,
- 0x0A, 0xFD, 0xB3, 0x44, 0x2F, 0xD8, 0x96, 0x61,
- 0x55, 0xA2, 0xEC, 0x1B, 0x70, 0x87, 0xC9, 0x3E,
- 0x1F, 0xE8, 0xA6, 0x51, 0x3A, 0xCD, 0x83, 0x74,
- 0xC1, 0x36, 0x78, 0x8F, 0xE4, 0x13, 0x5D, 0xAA,
- 0x8B, 0x7C, 0x32, 0xC5, 0xAE, 0x59, 0x17, 0xE0,
- 0x2A, 0xDD, 0x93, 0x64, 0x0F, 0xF8, 0xB6, 0x41,
- 0x60, 0x97, 0xD9, 0x2E, 0x45, 0xB2, 0xFC, 0x0B,
- 0xBE, 0x49, 0x07, 0xF0, 0x9B, 0x6C, 0x22, 0xD5,
- 0xF4, 0x03, 0x4D, 0xBA, 0xD1, 0x26, 0x68, 0x9F,
- };
- return t[crc ^ data];
-}
-
-static u8 bcm43xx_sprom_crc(const u16 *sprom)
-{
- int word;
- u8 crc = 0xFF;
-
- for (word = 0; word < BCM43xx_SPROM_SIZE - 1; word++) {
- crc = bcm43xx_crc8(crc, sprom[word] & 0x00FF);
- crc = bcm43xx_crc8(crc, (sprom[word] & 0xFF00) >> 8);
- }
- crc = bcm43xx_crc8(crc, sprom[BCM43xx_SPROM_VERSION] & 0x00FF);
- crc ^= 0xFF;
-
- return crc;
-}
-
-int bcm43xx_sprom_read(struct bcm43xx_private *bcm, u16 *sprom)
-{
- int i;
- u8 crc, expected_crc;
-
- for (i = 0; i < BCM43xx_SPROM_SIZE; i++)
- sprom[i] = bcm43xx_read16(bcm, BCM43xx_SPROM_BASE + (i * 2));
- /* CRC-8 check. */
- crc = bcm43xx_sprom_crc(sprom);
- expected_crc = (sprom[BCM43xx_SPROM_VERSION] & 0xFF00) >> 8;
- if (crc != expected_crc) {
- printk(KERN_WARNING PFX "WARNING: Invalid SPROM checksum "
- "(0x%02X, expected: 0x%02X)\n",
- crc, expected_crc);
- return -EINVAL;
- }
-
- return 0;
-}
-
-int bcm43xx_sprom_write(struct bcm43xx_private *bcm, const u16 *sprom)
-{
- int i, err;
- u8 crc, expected_crc;
- u32 spromctl;
-
- /* CRC-8 validation of the input data. */
- crc = bcm43xx_sprom_crc(sprom);
- expected_crc = (sprom[BCM43xx_SPROM_VERSION] & 0xFF00) >> 8;
- if (crc != expected_crc) {
- printk(KERN_ERR PFX "SPROM input data: Invalid CRC\n");
- return -EINVAL;
- }
-
- printk(KERN_INFO PFX "Writing SPROM. Do NOT turn off the power! Please stand by...\n");
- err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCICFG_SPROMCTL, &spromctl);
- if (err)
- goto err_ctlreg;
- spromctl |= 0x10; /* SPROM WRITE enable. */
- err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_SPROMCTL, spromctl);
- if (err)
- goto err_ctlreg;
- /* We must burn lots of CPU cycles here, but that does not
- * really matter as one does not write the SPROM every other minute...
- */
- printk(KERN_INFO PFX "[ 0%%");
- mdelay(500);
- for (i = 0; i < BCM43xx_SPROM_SIZE; i++) {
- if (i == 16)
- printk("25%%");
- else if (i == 32)
- printk("50%%");
- else if (i == 48)
- printk("75%%");
- else if (i % 2)
- printk(".");
- bcm43xx_write16(bcm, BCM43xx_SPROM_BASE + (i * 2), sprom[i]);
- mmiowb();
- mdelay(20);
- }
- spromctl &= ~0x10; /* SPROM WRITE enable. */
- err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_SPROMCTL, spromctl);
- if (err)
- goto err_ctlreg;
- mdelay(500);
- printk("100%% ]\n");
- printk(KERN_INFO PFX "SPROM written.\n");
- bcm43xx_controller_restart(bcm, "SPROM update");
-
- return 0;
-err_ctlreg:
- printk(KERN_ERR PFX "Could not access SPROM control register.\n");
- return -ENODEV;
-}
-
-static int bcm43xx_sprom_extract(struct bcm43xx_private *bcm)
-{
- u16 value;
- u16 *sprom;
-
- sprom = kzalloc(BCM43xx_SPROM_SIZE * sizeof(u16),
- GFP_KERNEL);
- if (!sprom) {
- printk(KERN_ERR PFX "sprom_extract OOM\n");
- return -ENOMEM;
- }
- bcm43xx_sprom_read(bcm, sprom);
-
- /* boardflags2 */
- value = sprom[BCM43xx_SPROM_BOARDFLAGS2];
- bcm->sprom.boardflags2 = value;
-
- /* il0macaddr */
- value = sprom[BCM43xx_SPROM_IL0MACADDR + 0];
- *(((__be16 *)bcm->sprom.il0macaddr) + 0) = cpu_to_be16(value);
- value = sprom[BCM43xx_SPROM_IL0MACADDR + 1];
- *(((__be16 *)bcm->sprom.il0macaddr) + 1) = cpu_to_be16(value);
- value = sprom[BCM43xx_SPROM_IL0MACADDR + 2];
- *(((__be16 *)bcm->sprom.il0macaddr) + 2) = cpu_to_be16(value);
-
- /* et0macaddr */
- value = sprom[BCM43xx_SPROM_ET0MACADDR + 0];
- *(((__be16 *)bcm->sprom.et0macaddr) + 0) = cpu_to_be16(value);
- value = sprom[BCM43xx_SPROM_ET0MACADDR + 1];
- *(((__be16 *)bcm->sprom.et0macaddr) + 1) = cpu_to_be16(value);
- value = sprom[BCM43xx_SPROM_ET0MACADDR + 2];
- *(((__be16 *)bcm->sprom.et0macaddr) + 2) = cpu_to_be16(value);
-
- /* et1macaddr */
- value = sprom[BCM43xx_SPROM_ET1MACADDR + 0];
- *(((__be16 *)bcm->sprom.et1macaddr) + 0) = cpu_to_be16(value);
- value = sprom[BCM43xx_SPROM_ET1MACADDR + 1];
- *(((__be16 *)bcm->sprom.et1macaddr) + 1) = cpu_to_be16(value);
- value = sprom[BCM43xx_SPROM_ET1MACADDR + 2];
- *(((__be16 *)bcm->sprom.et1macaddr) + 2) = cpu_to_be16(value);
-
- /* ethernet phy settings */
- value = sprom[BCM43xx_SPROM_ETHPHY];
- bcm->sprom.et0phyaddr = (value & 0x001F);
- bcm->sprom.et1phyaddr = (value & 0x03E0) >> 5;
-
- /* boardrev, antennas, locale */
- value = sprom[BCM43xx_SPROM_BOARDREV];
- bcm->sprom.boardrev = (value & 0x00FF);
- bcm->sprom.locale = (value & 0x0F00) >> 8;
- bcm->sprom.antennas_aphy = (value & 0x3000) >> 12;
- bcm->sprom.antennas_bgphy = (value & 0xC000) >> 14;
- if (modparam_locale != -1) {
- if (modparam_locale >= 0 && modparam_locale <= 11) {
- bcm->sprom.locale = modparam_locale;
- printk(KERN_WARNING PFX "Operating with modified "
- "LocaleCode %u (%s)\n",
- bcm->sprom.locale,
- bcm43xx_locale_string(bcm->sprom.locale));
- } else {
- printk(KERN_WARNING PFX "Module parameter \"locale\" "
- "invalid value. (0 - 11)\n");
- }
- }
-
- /* pa0b* */
- value = sprom[BCM43xx_SPROM_PA0B0];
- bcm->sprom.pa0b0 = value;
- value = sprom[BCM43xx_SPROM_PA0B1];
- bcm->sprom.pa0b1 = value;
- value = sprom[BCM43xx_SPROM_PA0B2];
- bcm->sprom.pa0b2 = value;
-
- /* wl0gpio* */
- value = sprom[BCM43xx_SPROM_WL0GPIO0];
- if (value == 0x0000)
- value = 0xFFFF;
- bcm->sprom.wl0gpio0 = value & 0x00FF;
- bcm->sprom.wl0gpio1 = (value & 0xFF00) >> 8;
- value = sprom[BCM43xx_SPROM_WL0GPIO2];
- if (value == 0x0000)
- value = 0xFFFF;
- bcm->sprom.wl0gpio2 = value & 0x00FF;
- bcm->sprom.wl0gpio3 = (value & 0xFF00) >> 8;
-
- /* maxpower */
- value = sprom[BCM43xx_SPROM_MAXPWR];
- bcm->sprom.maxpower_aphy = (value & 0xFF00) >> 8;
- bcm->sprom.maxpower_bgphy = value & 0x00FF;
-
- /* pa1b* */
- value = sprom[BCM43xx_SPROM_PA1B0];
- bcm->sprom.pa1b0 = value;
- value = sprom[BCM43xx_SPROM_PA1B1];
- bcm->sprom.pa1b1 = value;
- value = sprom[BCM43xx_SPROM_PA1B2];
- bcm->sprom.pa1b2 = value;
-
- /* idle tssi target */
- value = sprom[BCM43xx_SPROM_IDL_TSSI_TGT];
- bcm->sprom.idle_tssi_tgt_aphy = value & 0x00FF;
- bcm->sprom.idle_tssi_tgt_bgphy = (value & 0xFF00) >> 8;
-
- /* boardflags */
- value = sprom[BCM43xx_SPROM_BOARDFLAGS];
- if (value == 0xFFFF)
- value = 0x0000;
- bcm->sprom.boardflags = value;
- /* boardflags workarounds */
- if (bcm->board_vendor == PCI_VENDOR_ID_DELL &&
- bcm->chip_id == 0x4301 &&
- bcm->board_revision == 0x74)
- bcm->sprom.boardflags |= BCM43xx_BFL_BTCOEXIST;
- if (bcm->board_vendor == PCI_VENDOR_ID_APPLE &&
- bcm->board_type == 0x4E &&
- bcm->board_revision > 0x40)
- bcm->sprom.boardflags |= BCM43xx_BFL_PACTRL;
-
- /* antenna gain */
- value = sprom[BCM43xx_SPROM_ANTENNA_GAIN];
- if (value == 0x0000 || value == 0xFFFF)
- value = 0x0202;
- /* convert values to Q5.2 */
- bcm->sprom.antennagain_aphy = ((value & 0xFF00) >> 8) * 4;
- bcm->sprom.antennagain_bgphy = (value & 0x00FF) * 4;
-
- kfree(sprom);
-
- return 0;
-}
-
-static int bcm43xx_geo_init(struct bcm43xx_private *bcm)
-{
- struct ieee80211_geo *geo;
- struct ieee80211_channel *chan;
- int have_a = 0, have_bg = 0;
- int i;
- u8 channel;
- struct bcm43xx_phyinfo *phy;
- const char *iso_country;
- u8 max_bg_channel;
-
- geo = kzalloc(sizeof(*geo), GFP_KERNEL);
- if (!geo)
- return -ENOMEM;
-
- for (i = 0; i < bcm->nr_80211_available; i++) {
- phy = &(bcm->core_80211_ext[i].phy);
- switch (phy->type) {
- case BCM43xx_PHYTYPE_B:
- case BCM43xx_PHYTYPE_G:
- have_bg = 1;
- break;
- case BCM43xx_PHYTYPE_A:
- have_a = 1;
- break;
- default:
- assert(0);
- }
- }
- iso_country = bcm43xx_locale_iso(bcm->sprom.locale);
-
-/* set the maximum channel based on locale set in sprom or witle locale option */
- switch (bcm->sprom.locale) {
- case BCM43xx_LOCALE_THAILAND:
- case BCM43xx_LOCALE_ISRAEL:
- case BCM43xx_LOCALE_JORDAN:
- case BCM43xx_LOCALE_USA_CANADA_ANZ:
- case BCM43xx_LOCALE_USA_LOW:
- max_bg_channel = 11;
- break;
- case BCM43xx_LOCALE_JAPAN:
- case BCM43xx_LOCALE_JAPAN_HIGH:
- max_bg_channel = 14;
- break;
- default:
- max_bg_channel = 13;
- }
-
- if (have_a) {
- for (i = 0, channel = IEEE80211_52GHZ_MIN_CHANNEL;
- channel <= IEEE80211_52GHZ_MAX_CHANNEL; channel++) {
- chan = &geo->a[i++];
- chan->freq = bcm43xx_channel_to_freq_a(channel);
- chan->channel = channel;
- }
- geo->a_channels = i;
- }
- if (have_bg) {
- for (i = 0, channel = IEEE80211_24GHZ_MIN_CHANNEL;
- channel <= max_bg_channel; channel++) {
- chan = &geo->bg[i++];
- chan->freq = bcm43xx_channel_to_freq_bg(channel);
- chan->channel = channel;
- }
- geo->bg_channels = i;
- }
- memcpy(geo->name, iso_country, 2);
- if (0 /*TODO: Outdoor use only */)
- geo->name[2] = 'O';
- else if (0 /*TODO: Indoor use only */)
- geo->name[2] = 'I';
- else
- geo->name[2] = ' ';
- geo->name[3] = '\0';
-
- ieee80211_set_geo(bcm->ieee, geo);
- kfree(geo);
-
- return 0;
-}
-
-/* DummyTransmission function, as documented on
- * http://bcm-specs.sipsolutions.net/DummyTransmission
- */
-void bcm43xx_dummy_transmission(struct bcm43xx_private *bcm)
-{
- struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
- struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
- unsigned int i, max_loop;
- u16 value = 0;
- u32 buffer[5] = {
- 0x00000000,
- 0x0000D400,
- 0x00000000,
- 0x00000001,
- 0x00000000,
- };
-
- switch (phy->type) {
- case BCM43xx_PHYTYPE_A:
- max_loop = 0x1E;
- buffer[0] = 0xCC010200;
- break;
- case BCM43xx_PHYTYPE_B:
- case BCM43xx_PHYTYPE_G:
- max_loop = 0xFA;
- buffer[0] = 0x6E840B00;
- break;
- default:
- assert(0);
- return;
- }
-
- for (i = 0; i < 5; i++)
- bcm43xx_ram_write(bcm, i * 4, buffer[i]);
-
- bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); /* dummy read */
-
- bcm43xx_write16(bcm, 0x0568, 0x0000);
- bcm43xx_write16(bcm, 0x07C0, 0x0000);
- bcm43xx_write16(bcm, 0x050C, ((phy->type == BCM43xx_PHYTYPE_A) ? 1 : 0));
- bcm43xx_write16(bcm, 0x0508, 0x0000);
- bcm43xx_write16(bcm, 0x050A, 0x0000);
- bcm43xx_write16(bcm, 0x054C, 0x0000);
- bcm43xx_write16(bcm, 0x056A, 0x0014);
- bcm43xx_write16(bcm, 0x0568, 0x0826);
- bcm43xx_write16(bcm, 0x0500, 0x0000);
- bcm43xx_write16(bcm, 0x0502, 0x0030);
-
- if (radio->version == 0x2050 && radio->revision <= 0x5)
- bcm43xx_radio_write16(bcm, 0x0051, 0x0017);
- for (i = 0x00; i < max_loop; i++) {
- value = bcm43xx_read16(bcm, 0x050E);
- if (value & 0x0080)
- break;
- udelay(10);
- }
- for (i = 0x00; i < 0x0A; i++) {
- value = bcm43xx_read16(bcm, 0x050E);
- if (value & 0x0400)
- break;
- udelay(10);
- }
- for (i = 0x00; i < 0x0A; i++) {
- value = bcm43xx_read16(bcm, 0x0690);
- if (!(value & 0x0100))
- break;
- udelay(10);
- }
- if (radio->version == 0x2050 && radio->revision <= 0x5)
- bcm43xx_radio_write16(bcm, 0x0051, 0x0037);
-}
-
-static void key_write(struct bcm43xx_private *bcm,
- u8 index, u8 algorithm, const __le16 *key)
-{
- unsigned int i, basic_wep = 0;
- u32 offset;
- u16 value;
-
- /* Write associated key information */
- bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x100 + (index * 2),
- ((index << 4) | (algorithm & 0x0F)));
-
- /* The first 4 WEP keys need extra love */
- if (((algorithm == BCM43xx_SEC_ALGO_WEP) ||
- (algorithm == BCM43xx_SEC_ALGO_WEP104)) && (index < 4))
- basic_wep = 1;
-
- /* Write key payload, 8 little endian words */
- offset = bcm->security_offset + (index * BCM43xx_SEC_KEYSIZE);
- for (i = 0; i < (BCM43xx_SEC_KEYSIZE / sizeof(u16)); i++) {
- value = le16_to_cpu(key[i]);
- bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED,
- offset + (i * 2), value);
-
- if (!basic_wep)
- continue;
-
- bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED,
- offset + (i * 2) + 4 * BCM43xx_SEC_KEYSIZE,
- value);
- }
-}
-
-static void keymac_write(struct bcm43xx_private *bcm,
- u8 index, const __be32 *addr)
-{
- /* for keys 0-3 there is no associated mac address */
- if (index < 4)
- return;
-
- index -= 4;
- if (bcm->current_core->rev >= 5) {
- bcm43xx_shm_write32(bcm,
- BCM43xx_SHM_HWMAC,
- index * 2,
- be32_to_cpu(*addr));
- bcm43xx_shm_write16(bcm,
- BCM43xx_SHM_HWMAC,
- (index * 2) + 1,
- be16_to_cpu(*((__be16 *)(addr + 1))));
- } else {
- if (index < 8) {
- TODO(); /* Put them in the macaddress filter */
- } else {
- TODO();
- /* Put them BCM43xx_SHM_SHARED, stating index 0x0120.
- Keep in mind to update the count of keymacs in 0x003E as well! */
- }
- }
-}
-
-static int bcm43xx_key_write(struct bcm43xx_private *bcm,
- u8 index, u8 algorithm,
- const u8 *_key, int key_len,
- const u8 *mac_addr)
-{
- u8 key[BCM43xx_SEC_KEYSIZE] = { 0 };
-
- if (index >= ARRAY_SIZE(bcm->key))
- return -EINVAL;
- if (key_len > ARRAY_SIZE(key))
- return -EINVAL;
- if (algorithm < 1 || algorithm > 5)
- return -EINVAL;
-
- memcpy(key, _key, key_len);
- key_write(bcm, index, algorithm, (const __le16 *)key);
- keymac_write(bcm, index, (const __be32 *)mac_addr);
-
- bcm->key[index].algorithm = algorithm;
-
- return 0;
-}
-
-static void bcm43xx_clear_keys(struct bcm43xx_private *bcm)
-{
- static const __be32 zero_mac[2] = { 0 };
- unsigned int i,j, nr_keys = 54;
- u16 offset;
-
- if (bcm->current_core->rev < 5)
- nr_keys = 16;
- assert(nr_keys <= ARRAY_SIZE(bcm->key));
-
- for (i = 0; i < nr_keys; i++) {
- bcm->key[i].enabled = 0;
- /* returns for i < 4 immediately */
- keymac_write(bcm, i, zero_mac);
- bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED,
- 0x100 + (i * 2), 0x0000);
- for (j = 0; j < 8; j++) {
- offset = bcm->security_offset + (j * 4) + (i * BCM43xx_SEC_KEYSIZE);
- bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED,
- offset, 0x0000);
- }
- }
- dprintk(KERN_INFO PFX "Keys cleared\n");
-}
-
-/* Lowlevel core-switch function. This is only to be used in
- * bcm43xx_switch_core() and bcm43xx_probe_cores()
- */
-static int _switch_core(struct bcm43xx_private *bcm, int core)
-{
- int err;
- int attempts = 0;
- u32 current_core;
-
- assert(core >= 0);
- while (1) {
- err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_ACTIVE_CORE,
- (core * 0x1000) + 0x18000000);
- if (unlikely(err))
- goto error;
- err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCICFG_ACTIVE_CORE,
- &current_core);
- if (unlikely(err))
- goto error;
- current_core = (current_core - 0x18000000) / 0x1000;
- if (current_core == core)
- break;
-
- if (unlikely(attempts++ > BCM43xx_SWITCH_CORE_MAX_RETRIES))
- goto error;
- udelay(10);
- }
-
- return 0;
-error:
- printk(KERN_ERR PFX "Failed to switch to core %d\n", core);
- return -ENODEV;
-}
-
-int bcm43xx_switch_core(struct bcm43xx_private *bcm, struct bcm43xx_coreinfo *new_core)
-{
- int err;
-
- if (unlikely(!new_core))
- return 0;
- if (!new_core->available)
- return -ENODEV;
- if (bcm->current_core == new_core)
- return 0;
- err = _switch_core(bcm, new_core->index);
- if (unlikely(err))
- goto out;
-
- bcm->current_core = new_core;
-out:
- return err;
-}
-
-static int bcm43xx_core_enabled(struct bcm43xx_private *bcm)
-{
- u32 value;
-
- value = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
- value &= BCM43xx_SBTMSTATELOW_CLOCK | BCM43xx_SBTMSTATELOW_RESET
- | BCM43xx_SBTMSTATELOW_REJECT;
-
- return (value == BCM43xx_SBTMSTATELOW_CLOCK);
-}
-
-/* disable current core */
-static int bcm43xx_core_disable(struct bcm43xx_private *bcm, u32 core_flags)
-{
- u32 sbtmstatelow;
- u32 sbtmstatehigh;
- int i;
-
- /* fetch sbtmstatelow from core information registers */
- sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
-
- /* core is already in reset */
- if (sbtmstatelow & BCM43xx_SBTMSTATELOW_RESET)
- goto out;
-
- if (sbtmstatelow & BCM43xx_SBTMSTATELOW_CLOCK) {
- sbtmstatelow = BCM43xx_SBTMSTATELOW_CLOCK |
- BCM43xx_SBTMSTATELOW_REJECT;
- bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow);
-
- for (i = 0; i < 1000; i++) {
- sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
- if (sbtmstatelow & BCM43xx_SBTMSTATELOW_REJECT) {
- i = -1;
- break;
- }
- udelay(10);
- }
- if (i != -1) {
- printk(KERN_ERR PFX "Error: core_disable() REJECT timeout!\n");
- return -EBUSY;
- }
-
- for (i = 0; i < 1000; i++) {
- sbtmstatehigh = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH);
- if (!(sbtmstatehigh & BCM43xx_SBTMSTATEHIGH_BUSY)) {
- i = -1;
- break;
- }
- udelay(10);
- }
- if (i != -1) {
- printk(KERN_ERR PFX "Error: core_disable() BUSY timeout!\n");
- return -EBUSY;
- }
-
- sbtmstatelow = BCM43xx_SBTMSTATELOW_FORCE_GATE_CLOCK |
- BCM43xx_SBTMSTATELOW_REJECT |
- BCM43xx_SBTMSTATELOW_RESET |
- BCM43xx_SBTMSTATELOW_CLOCK |
- core_flags;
- bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow);
- udelay(10);
- }
-
- sbtmstatelow = BCM43xx_SBTMSTATELOW_RESET |
- BCM43xx_SBTMSTATELOW_REJECT |
- core_flags;
- bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow);
-
-out:
- bcm->current_core->enabled = 0;
-
- return 0;
-}
-
-/* enable (reset) current core */
-static int bcm43xx_core_enable(struct bcm43xx_private *bcm, u32 core_flags)
-{
- u32 sbtmstatelow;
- u32 sbtmstatehigh;
- u32 sbimstate;
- int err;
-
- err = bcm43xx_core_disable(bcm, core_flags);
- if (err)
- goto out;
-
- sbtmstatelow = BCM43xx_SBTMSTATELOW_CLOCK |
- BCM43xx_SBTMSTATELOW_RESET |
- BCM43xx_SBTMSTATELOW_FORCE_GATE_CLOCK |
- core_flags;
- bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow);
- udelay(1);
-
- sbtmstatehigh = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH);
- if (sbtmstatehigh & BCM43xx_SBTMSTATEHIGH_SERROR) {
- sbtmstatehigh = 0x00000000;
- bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATEHIGH, sbtmstatehigh);
- }
-
- sbimstate = bcm43xx_read32(bcm, BCM43xx_CIR_SBIMSTATE);
- if (sbimstate & (BCM43xx_SBIMSTATE_IB_ERROR | BCM43xx_SBIMSTATE_TIMEOUT)) {
- sbimstate &= ~(BCM43xx_SBIMSTATE_IB_ERROR | BCM43xx_SBIMSTATE_TIMEOUT);
- bcm43xx_write32(bcm, BCM43xx_CIR_SBIMSTATE, sbimstate);
- }
-
- sbtmstatelow = BCM43xx_SBTMSTATELOW_CLOCK |
- BCM43xx_SBTMSTATELOW_FORCE_GATE_CLOCK |
- core_flags;
- bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow);
- udelay(1);
-
- sbtmstatelow = BCM43xx_SBTMSTATELOW_CLOCK | core_flags;
- bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow);
- udelay(1);
-
- bcm->current_core->enabled = 1;
- assert(err == 0);
-out:
- return err;
-}
-
-/* http://bcm-specs.sipsolutions.net/80211CoreReset */
-void bcm43xx_wireless_core_reset(struct bcm43xx_private *bcm, int connect_phy)
-{
- u32 flags = 0x00040000;
-
- if ((bcm43xx_core_enabled(bcm)) &&
- !bcm43xx_using_pio(bcm)) {
- }
- if (bcm43xx_status(bcm) == BCM43xx_STAT_SHUTTINGDOWN) {
- bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD,
- bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD)
- & ~(BCM43xx_SBF_MAC_ENABLED | 0x00000002));
- } else {
- if (connect_phy)
- flags |= BCM43xx_SBTMSTATELOW_G_MODE_ENABLE;
- bcm43xx_phy_connect(bcm, connect_phy);
- bcm43xx_core_enable(bcm, flags);
- bcm43xx_write16(bcm, 0x03E6, 0x0000);
- bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD,
- bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD)
- | BCM43xx_SBF_400);
- }
-}
-
-static void bcm43xx_wireless_core_disable(struct bcm43xx_private *bcm)
-{
- bcm43xx_radio_turn_off(bcm);
- bcm43xx_write16(bcm, 0x03E6, 0x00F4);
- bcm43xx_core_disable(bcm, 0);
-}
-
-/* Mark the current 80211 core inactive. */
-static void bcm43xx_wireless_core_mark_inactive(struct bcm43xx_private *bcm)
-{
- u32 sbtmstatelow;
-
- bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL);
- bcm43xx_radio_turn_off(bcm);
- sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
- sbtmstatelow &= 0xDFF5FFFF;
- sbtmstatelow |= 0x000A0000;
- bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow);
- udelay(1);
- sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
- sbtmstatelow &= 0xFFF5FFFF;
- sbtmstatelow |= 0x00080000;
- bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow);
- udelay(1);
-}
-
-static void handle_irq_transmit_status(struct bcm43xx_private *bcm)
-{
- u32 v0, v1;
- u16 tmp;
- struct bcm43xx_xmitstatus stat;
-
- while (1) {
- v0 = bcm43xx_read32(bcm, BCM43xx_MMIO_XMITSTAT_0);
- if (!v0)
- break;
- v1 = bcm43xx_read32(bcm, BCM43xx_MMIO_XMITSTAT_1);
-
- stat.cookie = (v0 >> 16) & 0x0000FFFF;
- tmp = (u16)((v0 & 0xFFF0) | ((v0 & 0xF) >> 1));
- stat.flags = tmp & 0xFF;
- stat.cnt1 = (tmp & 0x0F00) >> 8;
- stat.cnt2 = (tmp & 0xF000) >> 12;
- stat.seq = (u16)(v1 & 0xFFFF);
- stat.unknown = (u16)((v1 >> 16) & 0xFF);
-
- bcm43xx_debugfs_log_txstat(bcm, &stat);
-
- if (stat.flags & BCM43xx_TXSTAT_FLAG_AMPDU)
- continue;
- if (stat.flags & BCM43xx_TXSTAT_FLAG_INTER)
- continue;
-
- if (bcm43xx_using_pio(bcm))
- bcm43xx_pio_handle_xmitstatus(bcm, &stat);
- else
- bcm43xx_dma_handle_xmitstatus(bcm, &stat);
- }
-}
-
-static void drain_txstatus_queue(struct bcm43xx_private *bcm)
-{
- u32 dummy;
-
- if (bcm->current_core->rev < 5)
- return;
- /* Read all entries from the microcode TXstatus FIFO
- * and throw them away.
- */
- while (1) {
- dummy = bcm43xx_read32(bcm, BCM43xx_MMIO_XMITSTAT_0);
- if (!dummy)
- break;
- dummy = bcm43xx_read32(bcm, BCM43xx_MMIO_XMITSTAT_1);
- }
-}
-
-static void bcm43xx_generate_noise_sample(struct bcm43xx_private *bcm)
-{
- bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x408, 0x7F7F);
- bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x40A, 0x7F7F);
- bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD,
- bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD) | (1 << 4));
- assert(bcm->noisecalc.core_at_start == bcm->current_core);
- assert(bcm->noisecalc.channel_at_start == bcm43xx_current_radio(bcm)->channel);
-}
-
-static void bcm43xx_calculate_link_quality(struct bcm43xx_private *bcm)
-{
- /* Top half of Link Quality calculation. */
-
- if (bcm->noisecalc.calculation_running)
- return;
- bcm->noisecalc.core_at_start = bcm->current_core;
- bcm->noisecalc.channel_at_start = bcm43xx_current_radio(bcm)->channel;
- bcm->noisecalc.calculation_running = 1;
- bcm->noisecalc.nr_samples = 0;
-
- bcm43xx_generate_noise_sample(bcm);
-}
-
-static void handle_irq_noise(struct bcm43xx_private *bcm)
-{
- struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
- u16 tmp;
- u8 noise[4];
- u8 i, j;
- s32 average;
-
- /* Bottom half of Link Quality calculation. */
-
- assert(bcm->noisecalc.calculation_running);
- if (bcm->noisecalc.core_at_start != bcm->current_core ||
- bcm->noisecalc.channel_at_start != radio->channel)
- goto drop_calculation;
- tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x408);
- noise[0] = (tmp & 0x00FF);
- noise[1] = (tmp & 0xFF00) >> 8;
- tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x40A);
- noise[2] = (tmp & 0x00FF);
- noise[3] = (tmp & 0xFF00) >> 8;
- if (noise[0] == 0x7F || noise[1] == 0x7F ||
- noise[2] == 0x7F || noise[3] == 0x7F)
- goto generate_new;
-
- /* Get the noise samples. */
- assert(bcm->noisecalc.nr_samples < 8);
- i = bcm->noisecalc.nr_samples;
- noise[0] = limit_value(noise[0], 0, ARRAY_SIZE(radio->nrssi_lt) - 1);
- noise[1] = limit_value(noise[1], 0, ARRAY_SIZE(radio->nrssi_lt) - 1);
- noise[2] = limit_value(noise[2], 0, ARRAY_SIZE(radio->nrssi_lt) - 1);
- noise[3] = limit_value(noise[3], 0, ARRAY_SIZE(radio->nrssi_lt) - 1);
- bcm->noisecalc.samples[i][0] = radio->nrssi_lt[noise[0]];
- bcm->noisecalc.samples[i][1] = radio->nrssi_lt[noise[1]];
- bcm->noisecalc.samples[i][2] = radio->nrssi_lt[noise[2]];
- bcm->noisecalc.samples[i][3] = radio->nrssi_lt[noise[3]];
- bcm->noisecalc.nr_samples++;
- if (bcm->noisecalc.nr_samples == 8) {
- /* Calculate the Link Quality by the noise samples. */
- average = 0;
- for (i = 0; i < 8; i++) {
- for (j = 0; j < 4; j++)
- average += bcm->noisecalc.samples[i][j];
- }
- average /= (8 * 4);
- average *= 125;
- average += 64;
- average /= 128;
-
- tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x40C);
- tmp = (tmp / 128) & 0x1F;
- if (tmp >= 8)
- average += 2;
- else
- average -= 25;
- if (tmp == 8)
- average -= 72;
- else
- average -= 48;
-
- bcm->stats.noise = average;
-drop_calculation:
- bcm->noisecalc.calculation_running = 0;
- return;
- }
-generate_new:
- bcm43xx_generate_noise_sample(bcm);
-}
-
-static void handle_irq_ps(struct bcm43xx_private *bcm)
-{
- if (bcm->ieee->iw_mode == IW_MODE_MASTER) {
- ///TODO: PS TBTT
- } else {
- if (1/*FIXME: the last PSpoll frame was sent successfully */)
- bcm43xx_power_saving_ctl_bits(bcm, -1, -1);
- }
- if (bcm->ieee->iw_mode == IW_MODE_ADHOC)
- bcm->reg124_set_0x4 = 1;
- //FIXME else set to false?
-}
-
-static void handle_irq_reg124(struct bcm43xx_private *bcm)
-{
- if (!bcm->reg124_set_0x4)
- return;
- bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD,
- bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD)
- | 0x4);
- //FIXME: reset reg124_set_0x4 to false?
-}
-
-static void handle_irq_pmq(struct bcm43xx_private *bcm)
-{
- u32 tmp;
-
- //TODO: AP mode.
-
- while (1) {
- tmp = bcm43xx_read32(bcm, BCM43xx_MMIO_PS_STATUS);
- if (!(tmp & 0x00000008))
- break;
- }
- /* 16bit write is odd, but correct. */
- bcm43xx_write16(bcm, BCM43xx_MMIO_PS_STATUS, 0x0002);
-}
-
-static void bcm43xx_generate_beacon_template(struct bcm43xx_private *bcm,
- u16 ram_offset, u16 shm_size_offset)
-{
- u32 value;
- u16 size = 0;
-
- /* Timestamp. */
- //FIXME: assumption: The chip sets the timestamp
- value = 0;
- bcm43xx_ram_write(bcm, ram_offset++, value);
- bcm43xx_ram_write(bcm, ram_offset++, value);
- size += 8;
-
- /* Beacon Interval / Capability Information */
- value = 0x0000;//FIXME: Which interval?
- value |= (1 << 0) << 16; /* ESS */
- value |= (1 << 2) << 16; /* CF Pollable */ //FIXME?
- value |= (1 << 3) << 16; /* CF Poll Request */ //FIXME?
- if (!bcm->ieee->open_wep)
- value |= (1 << 4) << 16; /* Privacy */
- bcm43xx_ram_write(bcm, ram_offset++, value);
- size += 4;
-
- /* SSID */
- //TODO
-
- /* FH Parameter Set */
- //TODO
-
- /* DS Parameter Set */
- //TODO
-
- /* CF Parameter Set */
- //TODO
-
- /* TIM */
- //TODO
-
- bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, shm_size_offset, size);
-}
-
-static void handle_irq_beacon(struct bcm43xx_private *bcm)
-{
- u32 status;
-
- bcm->irq_savedstate &= ~BCM43xx_IRQ_BEACON;
- status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD);
-
- if ((status & 0x1) && (status & 0x2)) {
- /* ACK beacon IRQ. */
- bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON,
- BCM43xx_IRQ_BEACON);
- bcm->irq_savedstate |= BCM43xx_IRQ_BEACON;
- return;
- }
- if (!(status & 0x1)) {
- bcm43xx_generate_beacon_template(bcm, 0x68, 0x18);
- status |= 0x1;
- bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD, status);
- }
- if (!(status & 0x2)) {
- bcm43xx_generate_beacon_template(bcm, 0x468, 0x1A);
- status |= 0x2;
- bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD, status);
- }
-}
-
-/* Interrupt handler bottom-half */
-static void bcm43xx_interrupt_tasklet(struct bcm43xx_private *bcm)
-{
- u32 reason;
- u32 dma_reason[6];
- u32 merged_dma_reason = 0;
- int i, activity = 0;
- unsigned long flags;
-
-#ifdef CONFIG_BCM43XX_DEBUG
- u32 _handled = 0x00000000;
-# define bcmirq_handled(irq) do { _handled |= (irq); } while (0)
-#else
-# define bcmirq_handled(irq) do { /* nothing */ } while (0)
-#endif /* CONFIG_BCM43XX_DEBUG*/
-
- spin_lock_irqsave(&bcm->irq_lock, flags);
- reason = bcm->irq_reason;
- for (i = 5; i >= 0; i--) {
- dma_reason[i] = bcm->dma_reason[i];
- merged_dma_reason |= dma_reason[i];
- }
-
- if (unlikely(reason & BCM43xx_IRQ_XMIT_ERROR)) {
- /* TX error. We get this when Template Ram is written in wrong endianess
- * in dummy_tx(). We also get this if something is wrong with the TX header
- * on DMA or PIO queues.
- * Maybe we get this in other error conditions, too.
- */
- printkl(KERN_ERR PFX "FATAL ERROR: BCM43xx_IRQ_XMIT_ERROR\n");
- bcmirq_handled(BCM43xx_IRQ_XMIT_ERROR);
- }
- if (unlikely(merged_dma_reason & BCM43xx_DMAIRQ_FATALMASK)) {
- printkl(KERN_ERR PFX "FATAL ERROR: Fatal DMA error: "
- "0x%08X, 0x%08X, 0x%08X, "
- "0x%08X, 0x%08X, 0x%08X\n",
- dma_reason[0], dma_reason[1],
- dma_reason[2], dma_reason[3],
- dma_reason[4], dma_reason[5]);
- bcm43xx_controller_restart(bcm, "DMA error");
- mmiowb();
- spin_unlock_irqrestore(&bcm->irq_lock, flags);
- return;
- }
- if (unlikely(merged_dma_reason & BCM43xx_DMAIRQ_NONFATALMASK)) {
- printkl(KERN_ERR PFX "DMA error: "
- "0x%08X, 0x%08X, 0x%08X, "
- "0x%08X, 0x%08X, 0x%08X\n",
- dma_reason[0], dma_reason[1],
- dma_reason[2], dma_reason[3],
- dma_reason[4], dma_reason[5]);
- }
-
- if (reason & BCM43xx_IRQ_PS) {
- handle_irq_ps(bcm);
- bcmirq_handled(BCM43xx_IRQ_PS);
- }
-
- if (reason & BCM43xx_IRQ_REG124) {
- handle_irq_reg124(bcm);
- bcmirq_handled(BCM43xx_IRQ_REG124);
- }
-
- if (reason & BCM43xx_IRQ_BEACON) {
- if (bcm->ieee->iw_mode == IW_MODE_MASTER)
- handle_irq_beacon(bcm);
- bcmirq_handled(BCM43xx_IRQ_BEACON);
- }
-
- if (reason & BCM43xx_IRQ_PMQ) {
- handle_irq_pmq(bcm);
- bcmirq_handled(BCM43xx_IRQ_PMQ);
- }
-
- if (reason & BCM43xx_IRQ_SCAN) {
- /*TODO*/
- //bcmirq_handled(BCM43xx_IRQ_SCAN);
- }
-
- if (reason & BCM43xx_IRQ_NOISE) {
- handle_irq_noise(bcm);
- bcmirq_handled(BCM43xx_IRQ_NOISE);
- }
-
- /* Check the DMA reason registers for received data. */
- if (dma_reason[0] & BCM43xx_DMAIRQ_RX_DONE) {
- if (bcm43xx_using_pio(bcm))
- bcm43xx_pio_rx(bcm43xx_current_pio(bcm)->queue0);
- else
- bcm43xx_dma_rx(bcm43xx_current_dma(bcm)->rx_ring0);
- /* We intentionally don't set "activity" to 1, here. */
- }
- assert(!(dma_reason[1] & BCM43xx_DMAIRQ_RX_DONE));
- assert(!(dma_reason[2] & BCM43xx_DMAIRQ_RX_DONE));
- if (dma_reason[3] & BCM43xx_DMAIRQ_RX_DONE) {
- if (bcm43xx_using_pio(bcm))
- bcm43xx_pio_rx(bcm43xx_current_pio(bcm)->queue3);
- else
- bcm43xx_dma_rx(bcm43xx_current_dma(bcm)->rx_ring3);
- activity = 1;
- }
- assert(!(dma_reason[4] & BCM43xx_DMAIRQ_RX_DONE));
- assert(!(dma_reason[5] & BCM43xx_DMAIRQ_RX_DONE));
- bcmirq_handled(BCM43xx_IRQ_RX);
-
- if (reason & BCM43xx_IRQ_XMIT_STATUS) {
- handle_irq_transmit_status(bcm);
- activity = 1;
- //TODO: In AP mode, this also causes sending of powersave responses.
- bcmirq_handled(BCM43xx_IRQ_XMIT_STATUS);
- }
-
- /* IRQ_PIO_WORKAROUND is handled in the top-half. */
- bcmirq_handled(BCM43xx_IRQ_PIO_WORKAROUND);
-#ifdef CONFIG_BCM43XX_DEBUG
- if (unlikely(reason & ~_handled)) {
- printkl(KERN_WARNING PFX
- "Unhandled IRQ! Reason: 0x%08x, Unhandled: 0x%08x, "
- "DMA: 0x%08x, 0x%08x, 0x%08x, 0x%08x\n",
- reason, (reason & ~_handled),
- dma_reason[0], dma_reason[1],
- dma_reason[2], dma_reason[3]);
- }
-#endif
-#undef bcmirq_handled
-
- if (!modparam_noleds)
- bcm43xx_leds_update(bcm, activity);
- bcm43xx_interrupt_enable(bcm, bcm->irq_savedstate);
- mmiowb();
- spin_unlock_irqrestore(&bcm->irq_lock, flags);
-}
-
-static void pio_irq_workaround(struct bcm43xx_private *bcm,
- u16 base, int queueidx)
-{
- u16 rxctl;
-
- rxctl = bcm43xx_read16(bcm, base + BCM43xx_PIO_RXCTL);
- if (rxctl & BCM43xx_PIO_RXCTL_DATAAVAILABLE)
- bcm->dma_reason[queueidx] |= BCM43xx_DMAIRQ_RX_DONE;
- else
- bcm->dma_reason[queueidx] &= ~BCM43xx_DMAIRQ_RX_DONE;
-}
-
-static void bcm43xx_interrupt_ack(struct bcm43xx_private *bcm, u32 reason)
-{
- if (bcm43xx_using_pio(bcm) &&
- (bcm->current_core->rev < 3) &&
- (!(reason & BCM43xx_IRQ_PIO_WORKAROUND))) {
- /* Apply a PIO specific workaround to the dma_reasons */
- pio_irq_workaround(bcm, BCM43xx_MMIO_PIO1_BASE, 0);
- pio_irq_workaround(bcm, BCM43xx_MMIO_PIO2_BASE, 1);
- pio_irq_workaround(bcm, BCM43xx_MMIO_PIO3_BASE, 2);
- pio_irq_workaround(bcm, BCM43xx_MMIO_PIO4_BASE, 3);
- }
-
- bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, reason);
-
- bcm43xx_write32(bcm, BCM43xx_MMIO_DMA0_REASON,
- bcm->dma_reason[0]);
- bcm43xx_write32(bcm, BCM43xx_MMIO_DMA1_REASON,
- bcm->dma_reason[1]);
- bcm43xx_write32(bcm, BCM43xx_MMIO_DMA2_REASON,
- bcm->dma_reason[2]);
- bcm43xx_write32(bcm, BCM43xx_MMIO_DMA3_REASON,
- bcm->dma_reason[3]);
- bcm43xx_write32(bcm, BCM43xx_MMIO_DMA4_REASON,
- bcm->dma_reason[4]);
- bcm43xx_write32(bcm, BCM43xx_MMIO_DMA5_REASON,
- bcm->dma_reason[5]);
-}
-
-/* Interrupt handler top-half */
-static irqreturn_t bcm43xx_interrupt_handler(int irq, void *dev_id)
-{
- irqreturn_t ret = IRQ_HANDLED;
- struct bcm43xx_private *bcm = dev_id;
- u32 reason;
-
- if (!bcm)
- return IRQ_NONE;
-
- spin_lock(&bcm->irq_lock);
-
- reason = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON);
- if (reason == 0xffffffff) {
- /* irq not for us (shared irq) */
- ret = IRQ_NONE;
- goto out;
- }
- reason &= bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK);
- if (!reason)
- goto out;
-
- assert(bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED);
- assert(bcm->current_core->id == BCM43xx_COREID_80211);
-
- bcm->dma_reason[0] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA0_REASON)
- & 0x0001DC00;
- bcm->dma_reason[1] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA1_REASON)
- & 0x0000DC00;
- bcm->dma_reason[2] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA2_REASON)
- & 0x0000DC00;
- bcm->dma_reason[3] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA3_REASON)
- & 0x0001DC00;
- bcm->dma_reason[4] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA4_REASON)
- & 0x0000DC00;
- bcm->dma_reason[5] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA5_REASON)
- & 0x0000DC00;
-
- bcm43xx_interrupt_ack(bcm, reason);
-
- /* disable all IRQs. They are enabled again in the bottom half. */
- bcm->irq_savedstate = bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL);
- /* save the reason code and call our bottom half. */
- bcm->irq_reason = reason;
- tasklet_schedule(&bcm->isr_tasklet);
-
-out:
- mmiowb();
- spin_unlock(&bcm->irq_lock);
-
- return ret;
-}
-
-static void bcm43xx_release_firmware(struct bcm43xx_private *bcm, int force)
-{
- struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
-
- if (bcm->firmware_norelease && !force)
- return; /* Suspending or controller reset. */
- release_firmware(phy->ucode);
- phy->ucode = NULL;
- release_firmware(phy->pcm);
- phy->pcm = NULL;
- release_firmware(phy->initvals0);
- phy->initvals0 = NULL;
- release_firmware(phy->initvals1);
- phy->initvals1 = NULL;
-}
-
-static int bcm43xx_request_firmware(struct bcm43xx_private *bcm)
-{
- struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
- u8 rev = bcm->current_core->rev;
- int err = 0;
- int nr;
- char buf[22 + sizeof(modparam_fwpostfix) - 1] = { 0 };
-
- if (!phy->ucode) {
- snprintf(buf, ARRAY_SIZE(buf), "bcm43xx_microcode%d%s.fw",
- (rev >= 5 ? 5 : rev),
- modparam_fwpostfix);
- err = request_firmware(&phy->ucode, buf, &bcm->pci_dev->dev);
- if (err) {
- printk(KERN_ERR PFX
- "Error: Microcode \"%s\" not available or load failed.\n",
- buf);
- goto error;
- }
- }
-
- if (!phy->pcm) {
- snprintf(buf, ARRAY_SIZE(buf),
- "bcm43xx_pcm%d%s.fw",
- (rev < 5 ? 4 : 5),
- modparam_fwpostfix);
- err = request_firmware(&phy->pcm, buf, &bcm->pci_dev->dev);
- if (err) {
- printk(KERN_ERR PFX
- "Error: PCM \"%s\" not available or load failed.\n",
- buf);
- goto error;
- }
- }
-
- if (!phy->initvals0) {
- if (rev == 2 || rev == 4) {
- switch (phy->type) {
- case BCM43xx_PHYTYPE_A:
- nr = 3;
- break;
- case BCM43xx_PHYTYPE_B:
- case BCM43xx_PHYTYPE_G:
- nr = 1;
- break;
- default:
- goto err_noinitval;
- }
-
- } else if (rev >= 5) {
- switch (phy->type) {
- case BCM43xx_PHYTYPE_A:
- nr = 7;
- break;
- case BCM43xx_PHYTYPE_B:
- case BCM43xx_PHYTYPE_G:
- nr = 5;
- break;
- default:
- goto err_noinitval;
- }
- } else
- goto err_noinitval;
- snprintf(buf, ARRAY_SIZE(buf), "bcm43xx_initval%02d%s.fw",
- nr, modparam_fwpostfix);
-
- err = request_firmware(&phy->initvals0, buf, &bcm->pci_dev->dev);
- if (err) {
- printk(KERN_ERR PFX
- "Error: InitVals \"%s\" not available or load failed.\n",
- buf);
- goto error;
- }
- if (phy->initvals0->size % sizeof(struct bcm43xx_initval)) {
- printk(KERN_ERR PFX "InitVals fileformat error.\n");
- goto error;
- }
- }
-
- if (!phy->initvals1) {
- if (rev >= 5) {
- u32 sbtmstatehigh;
-
- switch (phy->type) {
- case BCM43xx_PHYTYPE_A:
- sbtmstatehigh = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH);
- if (sbtmstatehigh & 0x00010000)
- nr = 9;
- else
- nr = 10;
- break;
- case BCM43xx_PHYTYPE_B:
- case BCM43xx_PHYTYPE_G:
- nr = 6;
- break;
- default:
- goto err_noinitval;
- }
- snprintf(buf, ARRAY_SIZE(buf), "bcm43xx_initval%02d%s.fw",
- nr, modparam_fwpostfix);
-
- err = request_firmware(&phy->initvals1, buf, &bcm->pci_dev->dev);
- if (err) {
- printk(KERN_ERR PFX
- "Error: InitVals \"%s\" not available or load failed.\n",
- buf);
- goto error;
- }
- if (phy->initvals1->size % sizeof(struct bcm43xx_initval)) {
- printk(KERN_ERR PFX "InitVals fileformat error.\n");
- goto error;
- }
- }
- }
-
-out:
- return err;
-error:
- bcm43xx_release_firmware(bcm, 1);
- goto out;
-err_noinitval:
- printk(KERN_ERR PFX "Error: No InitVals available!\n");
- err = -ENOENT;
- goto error;
-}
-
-static void bcm43xx_upload_microcode(struct bcm43xx_private *bcm)
-{
- struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
- const __be32 *data;
- unsigned int i, len;
-
- /* Upload Microcode. */
- data = (__be32 *)(phy->ucode->data);
- len = phy->ucode->size / sizeof(u32);
- bcm43xx_shm_control_word(bcm, BCM43xx_SHM_UCODE, 0x0000);
- for (i = 0; i < len; i++) {
- bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_DATA,
- be32_to_cpu(data[i]));
- udelay(10);
- }
-
- /* Upload PCM data. */
- data = (__be32 *)(phy->pcm->data);
- len = phy->pcm->size / sizeof(u32);
- bcm43xx_shm_control_word(bcm, BCM43xx_SHM_PCM, 0x01ea);
- bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_DATA, 0x00004000);
- bcm43xx_shm_control_word(bcm, BCM43xx_SHM_PCM, 0x01eb);
- for (i = 0; i < len; i++) {
- bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_DATA,
- be32_to_cpu(data[i]));
- udelay(10);
- }
-}
-
-static int bcm43xx_write_initvals(struct bcm43xx_private *bcm,
- const struct bcm43xx_initval *data,
- const unsigned int len)
-{
- u16 offset, size;
- u32 value;
- unsigned int i;
-
- for (i = 0; i < len; i++) {
- offset = be16_to_cpu(data[i].offset);
- size = be16_to_cpu(data[i].size);
- value = be32_to_cpu(data[i].value);
-
- if (unlikely(offset >= 0x1000))
- goto err_format;
- if (size == 2) {
- if (unlikely(value & 0xFFFF0000))
- goto err_format;
- bcm43xx_write16(bcm, offset, (u16)value);
- } else if (size == 4) {
- bcm43xx_write32(bcm, offset, value);
- } else
- goto err_format;
- }
-
- return 0;
-
-err_format:
- printk(KERN_ERR PFX "InitVals (bcm43xx_initvalXX.fw) file-format error. "
- "Please fix your bcm43xx firmware files.\n");
- return -EPROTO;
-}
-
-static int bcm43xx_upload_initvals(struct bcm43xx_private *bcm)
-{
- struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
- int err;
-
- err = bcm43xx_write_initvals(bcm, (struct bcm43xx_initval *)phy->initvals0->data,
- phy->initvals0->size / sizeof(struct bcm43xx_initval));
- if (err)
- goto out;
- if (phy->initvals1) {
- err = bcm43xx_write_initvals(bcm, (struct bcm43xx_initval *)phy->initvals1->data,
- phy->initvals1->size / sizeof(struct bcm43xx_initval));
- if (err)
- goto out;
- }
-out:
- return err;
-}
-
-static int bcm43xx_initialize_irq(struct bcm43xx_private *bcm)
-{
- int err;
-
- bcm->irq = bcm->pci_dev->irq;
- err = request_irq(bcm->irq, bcm43xx_interrupt_handler,
- IRQF_SHARED, KBUILD_MODNAME, bcm);
- if (err)
- printk(KERN_ERR PFX "Cannot register IRQ%d\n", bcm->irq);
-
- return err;
-}
-
-/* Switch to the core used to write the GPIO register.
- * This is either the ChipCommon, or the PCI core.
- */
-static int switch_to_gpio_core(struct bcm43xx_private *bcm)
-{
- int err;
-
- /* Where to find the GPIO register depends on the chipset.
- * If it has a ChipCommon, its register at offset 0x6c is the GPIO
- * control register. Otherwise the register at offset 0x6c in the
- * PCI core is the GPIO control register.
- */
- err = bcm43xx_switch_core(bcm, &bcm->core_chipcommon);
- if (err == -ENODEV) {
- err = bcm43xx_switch_core(bcm, &bcm->core_pci);
- if (unlikely(err == -ENODEV)) {
- printk(KERN_ERR PFX "gpio error: "
- "Neither ChipCommon nor PCI core available!\n");
- }
- }
-
- return err;
-}
-
-/* Initialize the GPIOs
- * http://bcm-specs.sipsolutions.net/GPIO
- */
-static int bcm43xx_gpio_init(struct bcm43xx_private *bcm)
-{
- struct bcm43xx_coreinfo *old_core;
- int err;
- u32 mask, set;
-
- bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD,
- bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD)
- & 0xFFFF3FFF);
-
- bcm43xx_leds_switch_all(bcm, 0);
- bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_MASK,
- bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_MASK) | 0x000F);
-
- mask = 0x0000001F;
- set = 0x0000000F;
- if (bcm->chip_id == 0x4301) {
- mask |= 0x0060;
- set |= 0x0060;
- }
- if (0 /* FIXME: conditional unknown */) {
- bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_MASK,
- bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_MASK)
- | 0x0100);
- mask |= 0x0180;
- set |= 0x0180;
- }
- if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL) {
- bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_MASK,
- bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_MASK)
- | 0x0200);
- mask |= 0x0200;
- set |= 0x0200;
- }
- if (bcm->current_core->rev >= 2)
- mask |= 0x0010; /* FIXME: This is redundant. */
-
- old_core = bcm->current_core;
- err = switch_to_gpio_core(bcm);
- if (err)
- goto out;
- bcm43xx_write32(bcm, BCM43xx_GPIO_CONTROL,
- (bcm43xx_read32(bcm, BCM43xx_GPIO_CONTROL) & mask) | set);
- err = bcm43xx_switch_core(bcm, old_core);
-out:
- return err;
-}
-
-/* Turn off all GPIO stuff. Call this on module unload, for example. */
-static int bcm43xx_gpio_cleanup(struct bcm43xx_private *bcm)
-{
- struct bcm43xx_coreinfo *old_core;
- int err;
-
- old_core = bcm->current_core;
- err = switch_to_gpio_core(bcm);
- if (err)
- return err;
- bcm43xx_write32(bcm, BCM43xx_GPIO_CONTROL, 0x00000000);
- err = bcm43xx_switch_core(bcm, old_core);
- assert(err == 0);
-
- return 0;
-}
-
-/* http://bcm-specs.sipsolutions.net/EnableMac */
-void bcm43xx_mac_enable(struct bcm43xx_private *bcm)
-{
- bcm->mac_suspended--;
- assert(bcm->mac_suspended >= 0);
- if (bcm->mac_suspended == 0) {
- bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD,
- bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD)
- | BCM43xx_SBF_MAC_ENABLED);
- bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, BCM43xx_IRQ_READY);
- bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); /* dummy read */
- bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */
- bcm43xx_power_saving_ctl_bits(bcm, -1, -1);
- }
-}
-
-/* http://bcm-specs.sipsolutions.net/SuspendMAC */
-void bcm43xx_mac_suspend(struct bcm43xx_private *bcm)
-{
- int i;
- u32 tmp;
-
- assert(bcm->mac_suspended >= 0);
- if (bcm->mac_suspended == 0) {
- bcm43xx_power_saving_ctl_bits(bcm, -1, 1);
- bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD,
- bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD)
- & ~BCM43xx_SBF_MAC_ENABLED);
- bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */
- for (i = 10000; i; i--) {
- tmp = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON);
- if (tmp & BCM43xx_IRQ_READY)
- goto out;
- udelay(1);
- }
- printkl(KERN_ERR PFX "MAC suspend failed\n");
- }
-out:
- bcm->mac_suspended++;
-}
-
-void bcm43xx_set_iwmode(struct bcm43xx_private *bcm,
- int iw_mode)
-{
- unsigned long flags;
- struct net_device *net_dev = bcm->net_dev;
- u32 status;
- u16 value;
-
- spin_lock_irqsave(&bcm->ieee->lock, flags);
- bcm->ieee->iw_mode = iw_mode;
- spin_unlock_irqrestore(&bcm->ieee->lock, flags);
- if (iw_mode == IW_MODE_MONITOR)
- net_dev->type = ARPHRD_IEEE80211;
- else
- net_dev->type = ARPHRD_ETHER;
-
- status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
- /* Reset status to infrastructured mode */
- status &= ~(BCM43xx_SBF_MODE_AP | BCM43xx_SBF_MODE_MONITOR);
- status &= ~BCM43xx_SBF_MODE_PROMISC;
- status |= BCM43xx_SBF_MODE_NOTADHOC;
-
-/* FIXME: Always enable promisc mode, until we get the MAC filters working correctly. */
-status |= BCM43xx_SBF_MODE_PROMISC;
-
- switch (iw_mode) {
- case IW_MODE_MONITOR:
- status |= BCM43xx_SBF_MODE_MONITOR;
- status |= BCM43xx_SBF_MODE_PROMISC;
- break;
- case IW_MODE_ADHOC:
- status &= ~BCM43xx_SBF_MODE_NOTADHOC;
- break;
- case IW_MODE_MASTER:
- status |= BCM43xx_SBF_MODE_AP;
- break;
- case IW_MODE_SECOND:
- case IW_MODE_REPEAT:
- TODO(); /* TODO */
- break;
- case IW_MODE_INFRA:
- /* nothing to be done here... */
- break;
- default:
- dprintk(KERN_ERR PFX "Unknown mode in set_iwmode: %d\n", iw_mode);
- }
- if (net_dev->flags & IFF_PROMISC)
- status |= BCM43xx_SBF_MODE_PROMISC;
- bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status);
-
- value = 0x0002;
- if (iw_mode != IW_MODE_ADHOC && iw_mode != IW_MODE_MASTER) {
- if (bcm->chip_id == 0x4306 && bcm->chip_rev == 3)
- value = 0x0064;
- else
- value = 0x0032;
- }
- bcm43xx_write16(bcm, 0x0612, value);
-}
-
-/* This is the opposite of bcm43xx_chip_init() */
-static void bcm43xx_chip_cleanup(struct bcm43xx_private *bcm)
-{
- bcm43xx_radio_turn_off(bcm);
- if (!modparam_noleds)
- bcm43xx_leds_exit(bcm);
- bcm43xx_gpio_cleanup(bcm);
- bcm43xx_release_firmware(bcm, 0);
-}
-
-/* Initialize the chip
- * http://bcm-specs.sipsolutions.net/ChipInit
- */
-static int bcm43xx_chip_init(struct bcm43xx_private *bcm)
-{
- struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
- struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
- int err;
- int i, tmp;
- u32 value32;
- u16 value16;
-
- bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD,
- BCM43xx_SBF_CORE_READY
- | BCM43xx_SBF_400);
-
- err = bcm43xx_request_firmware(bcm);
- if (err)
- goto out;
- bcm43xx_upload_microcode(bcm);
-
- bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, 0xFFFFFFFF);
- bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, 0x00020402);
- i = 0;
- while (1) {
- value32 = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON);
- if (value32 == BCM43xx_IRQ_READY)
- break;
- i++;
- if (i >= BCM43xx_IRQWAIT_MAX_RETRIES) {
- printk(KERN_ERR PFX "IRQ_READY timeout\n");
- err = -ENODEV;
- goto err_release_fw;
- }
- udelay(10);
- }
- bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */
-
- value16 = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
- BCM43xx_UCODE_REVISION);
-
- dprintk(KERN_INFO PFX "Microcode rev 0x%x, pl 0x%x "
- "(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n", value16,
- bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
- BCM43xx_UCODE_PATCHLEVEL),
- (bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
- BCM43xx_UCODE_DATE) >> 12) & 0xf,
- (bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
- BCM43xx_UCODE_DATE) >> 8) & 0xf,
- bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
- BCM43xx_UCODE_DATE) & 0xff,
- (bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
- BCM43xx_UCODE_TIME) >> 11) & 0x1f,
- (bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
- BCM43xx_UCODE_TIME) >> 5) & 0x3f,
- bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
- BCM43xx_UCODE_TIME) & 0x1f);
-
- if ( value16 > 0x128 ) {
- printk(KERN_ERR PFX
- "Firmware: no support for microcode extracted "
- "from version 4.x binary drivers.\n");
- err = -EOPNOTSUPP;
- goto err_release_fw;
- }
-
- err = bcm43xx_gpio_init(bcm);
- if (err)
- goto err_release_fw;
-
- err = bcm43xx_upload_initvals(bcm);
- if (err)
- goto err_gpio_cleanup;
- bcm43xx_radio_turn_on(bcm);
- bcm->radio_hw_enable = bcm43xx_is_hw_radio_enabled(bcm);
- printk(KERN_INFO PFX "Radio %s by hardware\n",
- (bcm->radio_hw_enable == 0) ? "disabled" : "enabled");
-
- bcm43xx_write16(bcm, 0x03E6, 0x0000);
- err = bcm43xx_phy_init(bcm);
- if (err)
- goto err_radio_off;
-
- /* Select initial Interference Mitigation. */
- tmp = radio->interfmode;
- radio->interfmode = BCM43xx_RADIO_INTERFMODE_NONE;
- bcm43xx_radio_set_interference_mitigation(bcm, tmp);
-
- bcm43xx_phy_set_antenna_diversity(bcm);
- bcm43xx_radio_set_txantenna(bcm, BCM43xx_RADIO_TXANTENNA_DEFAULT);
- if (phy->type == BCM43xx_PHYTYPE_B) {
- value16 = bcm43xx_read16(bcm, 0x005E);
- value16 |= 0x0004;
- bcm43xx_write16(bcm, 0x005E, value16);
- }
- bcm43xx_write32(bcm, 0x0100, 0x01000000);
- if (bcm->current_core->rev < 5)
- bcm43xx_write32(bcm, 0x010C, 0x01000000);
-
- value32 = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
- value32 &= ~ BCM43xx_SBF_MODE_NOTADHOC;
- bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, value32);
- value32 = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
- value32 |= BCM43xx_SBF_MODE_NOTADHOC;
- bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, value32);
-
- value32 = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
- value32 |= 0x100000;
- bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, value32);
-
- if (bcm43xx_using_pio(bcm)) {
- bcm43xx_write32(bcm, 0x0210, 0x00000100);
- bcm43xx_write32(bcm, 0x0230, 0x00000100);
- bcm43xx_write32(bcm, 0x0250, 0x00000100);
- bcm43xx_write32(bcm, 0x0270, 0x00000100);
- bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0034, 0x0000);
- }
-
- /* Probe Response Timeout value */
- /* FIXME: Default to 0, has to be set by ioctl probably... :-/ */
- bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0074, 0x0000);
-
- /* Initially set the wireless operation mode. */
- bcm43xx_set_iwmode(bcm, bcm->ieee->iw_mode);
-
- if (bcm->current_core->rev < 3) {
- bcm43xx_write16(bcm, 0x060E, 0x0000);
- bcm43xx_write16(bcm, 0x0610, 0x8000);
- bcm43xx_write16(bcm, 0x0604, 0x0000);
- bcm43xx_write16(bcm, 0x0606, 0x0200);
- } else {
- bcm43xx_write32(bcm, 0x0188, 0x80000000);
- bcm43xx_write32(bcm, 0x018C, 0x02000000);
- }
- bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, 0x00004000);
- bcm43xx_write32(bcm, BCM43xx_MMIO_DMA0_IRQ_MASK, 0x0001DC00);
- bcm43xx_write32(bcm, BCM43xx_MMIO_DMA1_IRQ_MASK, 0x0000DC00);
- bcm43xx_write32(bcm, BCM43xx_MMIO_DMA2_IRQ_MASK, 0x0000DC00);
- bcm43xx_write32(bcm, BCM43xx_MMIO_DMA3_IRQ_MASK, 0x0001DC00);
- bcm43xx_write32(bcm, BCM43xx_MMIO_DMA4_IRQ_MASK, 0x0000DC00);
- bcm43xx_write32(bcm, BCM43xx_MMIO_DMA5_IRQ_MASK, 0x0000DC00);
-
- value32 = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
- value32 |= 0x00100000;
- bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, value32);
-
- bcm43xx_write16(bcm, BCM43xx_MMIO_POWERUP_DELAY, bcm43xx_pctl_powerup_delay(bcm));
-
- assert(err == 0);
- dprintk(KERN_INFO PFX "Chip initialized\n");
-out:
- return err;
-
-err_radio_off:
- bcm43xx_radio_turn_off(bcm);
-err_gpio_cleanup:
- bcm43xx_gpio_cleanup(bcm);
-err_release_fw:
- bcm43xx_release_firmware(bcm, 1);
- goto out;
-}
-
-/* Validate chip access
- * http://bcm-specs.sipsolutions.net/ValidateChipAccess */
-static int bcm43xx_validate_chip(struct bcm43xx_private *bcm)
-{
- u32 value;
- u32 shm_backup;
-
- shm_backup = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, 0x0000);
- bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, 0x0000, 0xAA5555AA);
- if (bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, 0x0000) != 0xAA5555AA)
- goto error;
- bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, 0x0000, 0x55AAAA55);
- if (bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, 0x0000) != 0x55AAAA55)
- goto error;
- bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, 0x0000, shm_backup);
-
- value = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
- if ((value | 0x80000000) != 0x80000400)
- goto error;
-
- value = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON);
- if (value != 0x00000000)
- goto error;
-
- return 0;
-error:
- printk(KERN_ERR PFX "Failed to validate the chipaccess\n");
- return -ENODEV;
-}
-
-static void bcm43xx_init_struct_phyinfo(struct bcm43xx_phyinfo *phy)
-{
- /* Initialize a "phyinfo" structure. The structure is already
- * zeroed out.
- * This is called on insmod time to initialize members.
- */
- phy->savedpctlreg = 0xFFFF;
- spin_lock_init(&phy->lock);
-}
-
-static void bcm43xx_init_struct_radioinfo(struct bcm43xx_radioinfo *radio)
-{
- /* Initialize a "radioinfo" structure. The structure is already
- * zeroed out.
- * This is called on insmod time to initialize members.
- */
- radio->interfmode = BCM43xx_RADIO_INTERFMODE_NONE;
- radio->channel = 0xFF;
- radio->initial_channel = 0xFF;
-}
-
-static int bcm43xx_probe_cores(struct bcm43xx_private *bcm)
-{
- int err, i;
- int current_core;
- u32 core_vendor, core_id, core_rev;
- u32 sb_id_hi, chip_id_32 = 0;
- u16 pci_device, chip_id_16;
- u8 core_count;
-
- memset(&bcm->core_chipcommon, 0, sizeof(struct bcm43xx_coreinfo));
- memset(&bcm->core_pci, 0, sizeof(struct bcm43xx_coreinfo));
- memset(&bcm->core_80211, 0, sizeof(struct bcm43xx_coreinfo)
- * BCM43xx_MAX_80211_CORES);
- memset(&bcm->core_80211_ext, 0, sizeof(struct bcm43xx_coreinfo_80211)
- * BCM43xx_MAX_80211_CORES);
- bcm->nr_80211_available = 0;
- bcm->current_core = NULL;
- bcm->active_80211_core = NULL;
-
- /* map core 0 */
- err = _switch_core(bcm, 0);
- if (err)
- goto out;
-
- /* fetch sb_id_hi from core information registers */
- sb_id_hi = bcm43xx_read32(bcm, BCM43xx_CIR_SB_ID_HI);
-
- core_id = (sb_id_hi & 0x8FF0) >> 4;
- core_rev = (sb_id_hi & 0x7000) >> 8;
- core_rev |= (sb_id_hi & 0xF);
- core_vendor = (sb_id_hi & 0xFFFF0000) >> 16;
-
- /* if present, chipcommon is always core 0; read the chipid from it */
- if (core_id == BCM43xx_COREID_CHIPCOMMON) {
- chip_id_32 = bcm43xx_read32(bcm, 0);
- chip_id_16 = chip_id_32 & 0xFFFF;
- bcm->core_chipcommon.available = 1;
- bcm->core_chipcommon.id = core_id;
- bcm->core_chipcommon.rev = core_rev;
- bcm->core_chipcommon.index = 0;
- /* While we are at it, also read the capabilities. */
- bcm->chipcommon_capabilities = bcm43xx_read32(bcm, BCM43xx_CHIPCOMMON_CAPABILITIES);
- } else {
- /* without a chipCommon, use a hard coded table. */
- pci_device = bcm->pci_dev->device;
- if (pci_device == 0x4301)
- chip_id_16 = 0x4301;
- else if ((pci_device >= 0x4305) && (pci_device <= 0x4307))
- chip_id_16 = 0x4307;
- else if ((pci_device >= 0x4402) && (pci_device <= 0x4403))
- chip_id_16 = 0x4402;
- else if ((pci_device >= 0x4610) && (pci_device <= 0x4615))
- chip_id_16 = 0x4610;
- else if ((pci_device >= 0x4710) && (pci_device <= 0x4715))
- chip_id_16 = 0x4710;
- else {
- printk(KERN_ERR PFX "Could not determine Chip ID\n");
- return -ENODEV;
- }
- }
-
- /* ChipCommon with Core Rev >=4 encodes number of cores,
- * otherwise consult hardcoded table */
- if ((core_id == BCM43xx_COREID_CHIPCOMMON) && (core_rev >= 4)) {
- core_count = (chip_id_32 & 0x0F000000) >> 24;
- } else {
- switch (chip_id_16) {
- case 0x4610:
- case 0x4704:
- case 0x4710:
- core_count = 9;
- break;
- case 0x4310:
- core_count = 8;
- break;
- case 0x5365:
- core_count = 7;
- break;
- case 0x4306:
- core_count = 6;
- break;
- case 0x4301:
- case 0x4307:
- core_count = 5;
- break;
- case 0x4402:
- core_count = 3;
- break;
- default:
- /* SOL if we get here */
- assert(0);
- core_count = 1;
- }
- }
-
- bcm->chip_id = chip_id_16;
- bcm->chip_rev = (chip_id_32 & 0x000F0000) >> 16;
- bcm->chip_package = (chip_id_32 & 0x00F00000) >> 20;
-
- dprintk(KERN_INFO PFX "Chip ID 0x%x, rev 0x%x\n",
- bcm->chip_id, bcm->chip_rev);
- dprintk(KERN_INFO PFX "Number of cores: %d\n", core_count);
- if (bcm->core_chipcommon.available) {
- dprintk(KERN_INFO PFX "Core 0: ID 0x%x, rev 0x%x, vendor 0x%x\n",
- core_id, core_rev, core_vendor);
- current_core = 1;
- } else
- current_core = 0;
- for ( ; current_core < core_count; current_core++) {
- struct bcm43xx_coreinfo *core;
- struct bcm43xx_coreinfo_80211 *ext_80211;
-
- err = _switch_core(bcm, current_core);
- if (err)
- goto out;
- /* Gather information */
- /* fetch sb_id_hi from core information registers */
- sb_id_hi = bcm43xx_read32(bcm, BCM43xx_CIR_SB_ID_HI);
-
- /* extract core_id, core_rev, core_vendor */
- core_id = (sb_id_hi & 0x8FF0) >> 4;
- core_rev = ((sb_id_hi & 0xF) | ((sb_id_hi & 0x7000) >> 8));
- core_vendor = (sb_id_hi & 0xFFFF0000) >> 16;
-
- dprintk(KERN_INFO PFX "Core %d: ID 0x%x, rev 0x%x, vendor 0x%x\n",
- current_core, core_id, core_rev, core_vendor);
-
- core = NULL;
- switch (core_id) {
- case BCM43xx_COREID_PCI:
- case BCM43xx_COREID_PCIE:
- core = &bcm->core_pci;
- if (core->available) {
- printk(KERN_WARNING PFX "Multiple PCI cores found.\n");
- continue;
- }
- break;
- case BCM43xx_COREID_80211:
- for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) {
- core = &(bcm->core_80211[i]);
- ext_80211 = &(bcm->core_80211_ext[i]);
- if (!core->available)
- break;
- core = NULL;
- }
- if (!core) {
- printk(KERN_WARNING PFX "More than %d cores of type 802.11 found.\n",
- BCM43xx_MAX_80211_CORES);
- continue;
- }
- if (i != 0) {
- /* More than one 80211 core is only supported
- * by special chips.
- * There are chips with two 80211 cores, but with
- * dangling pins on the second core. Be careful
- * and ignore these cores here.
- */
- if (1 /*bcm->pci_dev->device != 0x4324*/ ) {
- /* TODO: A PHY */
- dprintk(KERN_INFO PFX "Ignoring additional 802.11a core.\n");
- continue;
- }
- }
- switch (core_rev) {
- case 2:
- case 4:
- case 5:
- case 6:
- case 7:
- case 9:
- case 10:
- break;
- default:
- printk(KERN_WARNING PFX
- "Unsupported 80211 core revision %u\n",
- core_rev);
- }
- bcm->nr_80211_available++;
- core->priv = ext_80211;
- bcm43xx_init_struct_phyinfo(&ext_80211->phy);
- bcm43xx_init_struct_radioinfo(&ext_80211->radio);
- break;
- case BCM43xx_COREID_CHIPCOMMON:
- printk(KERN_WARNING PFX "Multiple CHIPCOMMON cores found.\n");
- break;
- }
- if (core) {
- core->available = 1;
- core->id = core_id;
- core->rev = core_rev;
- core->index = current_core;
- }
- }
-
- if (!bcm->core_80211[0].available) {
- printk(KERN_ERR PFX "Error: No 80211 core found!\n");
- err = -ENODEV;
- goto out;
- }
-
- err = bcm43xx_switch_core(bcm, &bcm->core_80211[0]);
-
- assert(err == 0);
-out:
- return err;
-}
-
-static void bcm43xx_gen_bssid(struct bcm43xx_private *bcm)
-{
- const u8 *mac = (const u8*)(bcm->net_dev->dev_addr);
- u8 *bssid = bcm->ieee->bssid;
-
- switch (bcm->ieee->iw_mode) {
- case IW_MODE_ADHOC:
- random_ether_addr(bssid);
- break;
- case IW_MODE_MASTER:
- case IW_MODE_INFRA:
- case IW_MODE_REPEAT:
- case IW_MODE_SECOND:
- case IW_MODE_MONITOR:
- memcpy(bssid, mac, ETH_ALEN);
- break;
- default:
- assert(0);
- }
-}
-
-static void bcm43xx_rate_memory_write(struct bcm43xx_private *bcm,
- u16 rate,
- int is_ofdm)
-{
- u16 offset;
-
- if (is_ofdm) {
- offset = 0x480;
- offset += (bcm43xx_plcp_get_ratecode_ofdm(rate) & 0x000F) * 2;
- }
- else {
- offset = 0x4C0;
- offset += (bcm43xx_plcp_get_ratecode_cck(rate) & 0x000F) * 2;
- }
- bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, offset + 0x20,
- bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, offset));
-}
-
-static void bcm43xx_rate_memory_init(struct bcm43xx_private *bcm)
-{
- switch (bcm43xx_current_phy(bcm)->type) {
- case BCM43xx_PHYTYPE_A:
- case BCM43xx_PHYTYPE_G:
- bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_6MB, 1);
- bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_12MB, 1);
- bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_18MB, 1);
- bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_24MB, 1);
- bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_36MB, 1);
- bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_48MB, 1);
- bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_54MB, 1);
- case BCM43xx_PHYTYPE_B:
- bcm43xx_rate_memory_write(bcm, IEEE80211_CCK_RATE_1MB, 0);
- bcm43xx_rate_memory_write(bcm, IEEE80211_CCK_RATE_2MB, 0);
- bcm43xx_rate_memory_write(bcm, IEEE80211_CCK_RATE_5MB, 0);
- bcm43xx_rate_memory_write(bcm, IEEE80211_CCK_RATE_11MB, 0);
- break;
- default:
- assert(0);
- }
-}
-
-static void bcm43xx_wireless_core_cleanup(struct bcm43xx_private *bcm)
-{
- bcm43xx_chip_cleanup(bcm);
- bcm43xx_pio_free(bcm);
- bcm43xx_dma_free(bcm);
-
- bcm->current_core->initialized = 0;
-}
-
-/* http://bcm-specs.sipsolutions.net/80211Init */
-static int bcm43xx_wireless_core_init(struct bcm43xx_private *bcm,
- int active_wlcore)
-{
- struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
- struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
- u32 ucodeflags;
- int err;
- u32 sbimconfiglow;
- u8 limit;
-
- if (bcm->core_pci.rev <= 5 && bcm->core_pci.id != BCM43xx_COREID_PCIE) {
- sbimconfiglow = bcm43xx_read32(bcm, BCM43xx_CIR_SBIMCONFIGLOW);
- sbimconfiglow &= ~ BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_MASK;
- sbimconfiglow &= ~ BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_MASK;
- if (bcm->bustype == BCM43xx_BUSTYPE_PCI)
- sbimconfiglow |= 0x32;
- else
- sbimconfiglow |= 0x53;
- bcm43xx_write32(bcm, BCM43xx_CIR_SBIMCONFIGLOW, sbimconfiglow);
- }
-
- bcm43xx_phy_calibrate(bcm);
- err = bcm43xx_chip_init(bcm);
- if (err)
- goto out;
-
- bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0016, bcm->current_core->rev);
- ucodeflags = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, BCM43xx_UCODEFLAGS_OFFSET);
-
- if (0 /*FIXME: which condition has to be used here? */)
- ucodeflags |= 0x00000010;
-
- /* HW decryption needs to be set now */
- ucodeflags |= 0x40000000;
-
- if (phy->type == BCM43xx_PHYTYPE_G) {
- ucodeflags |= BCM43xx_UCODEFLAG_UNKBGPHY;
- if (phy->rev == 1)
- ucodeflags |= BCM43xx_UCODEFLAG_UNKGPHY;
- if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL)
- ucodeflags |= BCM43xx_UCODEFLAG_UNKPACTRL;
- } else if (phy->type == BCM43xx_PHYTYPE_B) {
- ucodeflags |= BCM43xx_UCODEFLAG_UNKBGPHY;
- if (phy->rev >= 2 && radio->version == 0x2050)
- ucodeflags &= ~BCM43xx_UCODEFLAG_UNKGPHY;
- }
-
- if (ucodeflags != bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED,
- BCM43xx_UCODEFLAGS_OFFSET)) {
- bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED,
- BCM43xx_UCODEFLAGS_OFFSET, ucodeflags);
- }
-
- /* Short/Long Retry Limit.
- * The retry-limit is a 4-bit counter. Enforce this to avoid overflowing
- * the chip-internal counter.
- */
- limit = limit_value(modparam_short_retry, 0, 0xF);
- bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0006, limit);
- limit = limit_value(modparam_long_retry, 0, 0xF);
- bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0007, limit);
-
- bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0044, 3);
- bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0046, 2);
-
- bcm43xx_rate_memory_init(bcm);
-
- /* Minimum Contention Window */
- if (phy->type == BCM43xx_PHYTYPE_B)
- bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0003, 0x0000001f);
- else
- bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0003, 0x0000000f);
- /* Maximum Contention Window */
- bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0004, 0x000003ff);
-
- bcm43xx_gen_bssid(bcm);
- bcm43xx_write_mac_bssid_templates(bcm);
-
- if (bcm->current_core->rev >= 5)
- bcm43xx_write16(bcm, 0x043C, 0x000C);
-
- if (active_wlcore) {
- if (bcm43xx_using_pio(bcm)) {
- err = bcm43xx_pio_init(bcm);
- } else {
- err = bcm43xx_dma_init(bcm);
- if (err == -ENOSYS)
- err = bcm43xx_pio_init(bcm);
- }
- if (err)
- goto err_chip_cleanup;
- }
- bcm43xx_write16(bcm, 0x0612, 0x0050);
- bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0416, 0x0050);
- bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0414, 0x01F4);
-
- if (active_wlcore) {
- if (radio->initial_channel != 0xFF)
- bcm43xx_radio_selectchannel(bcm, radio->initial_channel, 0);
- }
-
- /* Don't enable MAC/IRQ here, as it will race with the IRQ handler.
- * We enable it later.
- */
- bcm->current_core->initialized = 1;
-out:
- return err;
-
-err_chip_cleanup:
- bcm43xx_chip_cleanup(bcm);
- goto out;
-}
-
-static int bcm43xx_chipset_attach(struct bcm43xx_private *bcm)
-{
- int err;
- u16 pci_status;
-
- err = bcm43xx_pctl_set_crystal(bcm, 1);
- if (err)
- goto out;
- err = bcm43xx_pci_read_config16(bcm, PCI_STATUS, &pci_status);
- if (err)
- goto out;
- err = bcm43xx_pci_write_config16(bcm, PCI_STATUS, pci_status & ~PCI_STATUS_SIG_TARGET_ABORT);
-
-out:
- return err;
-}
-
-static void bcm43xx_chipset_detach(struct bcm43xx_private *bcm)
-{
- bcm43xx_pctl_set_clock(bcm, BCM43xx_PCTL_CLK_SLOW);
- bcm43xx_pctl_set_crystal(bcm, 0);
-}
-
-static void bcm43xx_pcicore_broadcast_value(struct bcm43xx_private *bcm,
- u32 address,
- u32 data)
-{
- bcm43xx_write32(bcm, BCM43xx_PCICORE_BCAST_ADDR, address);
- bcm43xx_write32(bcm, BCM43xx_PCICORE_BCAST_DATA, data);
-}
-
-static int bcm43xx_pcicore_commit_settings(struct bcm43xx_private *bcm)
-{
- int err = 0;
-
- bcm->irq_savedstate = bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL);
-
- if (bcm->core_chipcommon.available) {
- err = bcm43xx_switch_core(bcm, &bcm->core_chipcommon);
- if (err)
- goto out;
-
- bcm43xx_pcicore_broadcast_value(bcm, 0xfd8, 0x00000000);
-
- /* this function is always called when a PCI core is mapped */
- err = bcm43xx_switch_core(bcm, &bcm->core_pci);
- if (err)
- goto out;
- } else
- bcm43xx_pcicore_broadcast_value(bcm, 0xfd8, 0x00000000);
-
- bcm43xx_interrupt_enable(bcm, bcm->irq_savedstate);
-
-out:
- return err;
-}
-
-static u32 bcm43xx_pcie_reg_read(struct bcm43xx_private *bcm, u32 address)
-{
- bcm43xx_write32(bcm, BCM43xx_PCIECORE_REG_ADDR, address);
- return bcm43xx_read32(bcm, BCM43xx_PCIECORE_REG_DATA);
-}
-
-static void bcm43xx_pcie_reg_write(struct bcm43xx_private *bcm, u32 address,
- u32 data)
-{
- bcm43xx_write32(bcm, BCM43xx_PCIECORE_REG_ADDR, address);
- bcm43xx_write32(bcm, BCM43xx_PCIECORE_REG_DATA, data);
-}
-
-static void bcm43xx_pcie_mdio_write(struct bcm43xx_private *bcm, u8 dev, u8 reg,
- u16 data)
-{
- int i;
-
- bcm43xx_write32(bcm, BCM43xx_PCIECORE_MDIO_CTL, 0x0082);
- bcm43xx_write32(bcm, BCM43xx_PCIECORE_MDIO_DATA, BCM43xx_PCIE_MDIO_ST |
- BCM43xx_PCIE_MDIO_WT | (dev << BCM43xx_PCIE_MDIO_DEV) |
- (reg << BCM43xx_PCIE_MDIO_REG) | BCM43xx_PCIE_MDIO_TA |
- data);
- udelay(10);
-
- for (i = 0; i < 10; i++) {
- if (bcm43xx_read32(bcm, BCM43xx_PCIECORE_MDIO_CTL) &
- BCM43xx_PCIE_MDIO_TC)
- break;
- msleep(1);
- }
- bcm43xx_write32(bcm, BCM43xx_PCIECORE_MDIO_CTL, 0);
-}
-
-/* Make an I/O Core usable. "core_mask" is the bitmask of the cores to enable.
- * To enable core 0, pass a core_mask of 1<<0
- */
-static int bcm43xx_setup_backplane_pci_connection(struct bcm43xx_private *bcm,
- u32 core_mask)
-{
- u32 backplane_flag_nr;
- u32 value;
- struct bcm43xx_coreinfo *old_core;
- int err = 0;
-
- value = bcm43xx_read32(bcm, BCM43xx_CIR_SBTPSFLAG);
- backplane_flag_nr = value & BCM43xx_BACKPLANE_FLAG_NR_MASK;
-
- old_core = bcm->current_core;
- err = bcm43xx_switch_core(bcm, &bcm->core_pci);
- if (err)
- goto out;
-
- if (bcm->current_core->rev < 6 &&
- bcm->current_core->id == BCM43xx_COREID_PCI) {
- value = bcm43xx_read32(bcm, BCM43xx_CIR_SBINTVEC);
- value |= (1 << backplane_flag_nr);
- bcm43xx_write32(bcm, BCM43xx_CIR_SBINTVEC, value);
- } else {
- err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCICFG_ICR, &value);
- if (err) {
- printk(KERN_ERR PFX "Error: ICR setup failure!\n");
- goto out_switch_back;
- }
- value |= core_mask << 8;
- err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_ICR, value);
- if (err) {
- printk(KERN_ERR PFX "Error: ICR setup failure!\n");
- goto out_switch_back;
- }
- }
-
- if (bcm->current_core->id == BCM43xx_COREID_PCI) {
- value = bcm43xx_read32(bcm, BCM43xx_PCICORE_SBTOPCI2);
- value |= BCM43xx_SBTOPCI2_PREFETCH | BCM43xx_SBTOPCI2_BURST;
- bcm43xx_write32(bcm, BCM43xx_PCICORE_SBTOPCI2, value);
-
- if (bcm->current_core->rev < 5) {
- value = bcm43xx_read32(bcm, BCM43xx_CIR_SBIMCONFIGLOW);
- value |= (2 << BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_SHIFT)
- & BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_MASK;
- value |= (3 << BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_SHIFT)
- & BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_MASK;
- bcm43xx_write32(bcm, BCM43xx_CIR_SBIMCONFIGLOW, value);
- err = bcm43xx_pcicore_commit_settings(bcm);
- assert(err == 0);
- } else if (bcm->current_core->rev >= 11) {
- value = bcm43xx_read32(bcm, BCM43xx_PCICORE_SBTOPCI2);
- value |= BCM43xx_SBTOPCI2_MEMREAD_MULTI;
- bcm43xx_write32(bcm, BCM43xx_PCICORE_SBTOPCI2, value);
- }
- } else {
- if (bcm->current_core->rev == 0 || bcm->current_core->rev == 1) {
- value = bcm43xx_pcie_reg_read(bcm, BCM43xx_PCIE_TLP_WORKAROUND);
- value |= 0x8;
- bcm43xx_pcie_reg_write(bcm, BCM43xx_PCIE_TLP_WORKAROUND,
- value);
- }
- if (bcm->current_core->rev == 0) {
- bcm43xx_pcie_mdio_write(bcm, BCM43xx_MDIO_SERDES_RX,
- BCM43xx_SERDES_RXTIMER, 0x8128);
- bcm43xx_pcie_mdio_write(bcm, BCM43xx_MDIO_SERDES_RX,
- BCM43xx_SERDES_CDR, 0x0100);
- bcm43xx_pcie_mdio_write(bcm, BCM43xx_MDIO_SERDES_RX,
- BCM43xx_SERDES_CDR_BW, 0x1466);
- } else if (bcm->current_core->rev == 1) {
- value = bcm43xx_pcie_reg_read(bcm, BCM43xx_PCIE_DLLP_LINKCTL);
- value |= 0x40;
- bcm43xx_pcie_reg_write(bcm, BCM43xx_PCIE_DLLP_LINKCTL,
- value);
- }
- }
-out_switch_back:
- err = bcm43xx_switch_core(bcm, old_core);
-out:
- return err;
-}
-
-static void bcm43xx_periodic_every120sec(struct bcm43xx_private *bcm)
-{
- struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
-
- if (phy->type != BCM43xx_PHYTYPE_G || phy->rev < 2)
- return;
-
- bcm43xx_mac_suspend(bcm);
- bcm43xx_phy_lo_g_measure(bcm);
- bcm43xx_mac_enable(bcm);
-}
-
-static void bcm43xx_periodic_every60sec(struct bcm43xx_private *bcm)
-{
- bcm43xx_phy_lo_mark_all_unused(bcm);
- if (bcm->sprom.boardflags & BCM43xx_BFL_RSSI) {
- bcm43xx_mac_suspend(bcm);
- bcm43xx_calc_nrssi_slope(bcm);
- bcm43xx_mac_enable(bcm);
- }
-}
-
-static void bcm43xx_periodic_every30sec(struct bcm43xx_private *bcm)
-{
- /* Update device statistics. */
- bcm43xx_calculate_link_quality(bcm);
-}
-
-static void bcm43xx_periodic_every15sec(struct bcm43xx_private *bcm)
-{
- bcm43xx_phy_xmitpower(bcm); //FIXME: unless scanning?
- //TODO for APHY (temperature?)
-}
-
-static void bcm43xx_periodic_every1sec(struct bcm43xx_private *bcm)
-{
- struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
- struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
- int radio_hw_enable;
-
- /* check if radio hardware enabled status changed */
- radio_hw_enable = bcm43xx_is_hw_radio_enabled(bcm);
- if (unlikely(bcm->radio_hw_enable != radio_hw_enable)) {
- bcm->radio_hw_enable = radio_hw_enable;
- printk(KERN_INFO PFX "Radio hardware status changed to %s\n",
- (radio_hw_enable == 0) ? "disabled" : "enabled");
- bcm43xx_leds_update(bcm, 0);
- }
- if (phy->type == BCM43xx_PHYTYPE_G) {
- //TODO: update_aci_moving_average
- if (radio->aci_enable && radio->aci_wlan_automatic) {
- bcm43xx_mac_suspend(bcm);
- if (!radio->aci_enable && 1 /*TODO: not scanning? */) {
- if (0 /*TODO: bunch of conditions*/) {
- bcm43xx_radio_set_interference_mitigation(bcm,
- BCM43xx_RADIO_INTERFMODE_MANUALWLAN);
- }
- } else if (1/*TODO*/) {
- /*
- if ((aci_average > 1000) && !(bcm43xx_radio_aci_scan(bcm))) {
- bcm43xx_radio_set_interference_mitigation(bcm,
- BCM43xx_RADIO_INTERFMODE_NONE);
- }
- */
- }
- bcm43xx_mac_enable(bcm);
- } else if (radio->interfmode == BCM43xx_RADIO_INTERFMODE_NONWLAN &&
- phy->rev == 1) {
- //TODO: implement rev1 workaround
- }
- }
-}
-
-static void do_periodic_work(struct bcm43xx_private *bcm)
-{
- if (bcm->periodic_state % 120 == 0)
- bcm43xx_periodic_every120sec(bcm);
- if (bcm->periodic_state % 60 == 0)
- bcm43xx_periodic_every60sec(bcm);
- if (bcm->periodic_state % 30 == 0)
- bcm43xx_periodic_every30sec(bcm);
- if (bcm->periodic_state % 15 == 0)
- bcm43xx_periodic_every15sec(bcm);
- bcm43xx_periodic_every1sec(bcm);
-
- schedule_delayed_work(&bcm->periodic_work, HZ);
-}
-
-static void bcm43xx_periodic_work_handler(struct work_struct *work)
-{
- struct bcm43xx_private *bcm =
- container_of(work, struct bcm43xx_private, periodic_work.work);
- struct net_device *net_dev = bcm->net_dev;
- unsigned long flags;
- u32 savedirqs = 0;
- unsigned long orig_trans_start = 0;
-
- mutex_lock(&bcm->mutex);
- /* keep from doing and rearming periodic work if shutting down */
- if (bcm43xx_status(bcm) == BCM43xx_STAT_UNINIT)
- goto unlock_mutex;
- if (unlikely(bcm->periodic_state % 60 == 0)) {
- /* Periodic work will take a long time, so we want it to
- * be preemtible.
- */
-
- netif_tx_lock_bh(net_dev);
- /* We must fake a started transmission here, as we are going to
- * disable TX. If we wouldn't fake a TX, it would be possible to
- * trigger the netdev watchdog, if the last real TX is already
- * some time on the past (slightly less than 5secs)
- */
- orig_trans_start = net_dev->trans_start;
- net_dev->trans_start = jiffies;
- netif_stop_queue(net_dev);
- netif_tx_unlock_bh(net_dev);
-
- spin_lock_irqsave(&bcm->irq_lock, flags);
- bcm43xx_mac_suspend(bcm);
- if (bcm43xx_using_pio(bcm))
- bcm43xx_pio_freeze_txqueues(bcm);
- savedirqs = bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL);
- spin_unlock_irqrestore(&bcm->irq_lock, flags);
- bcm43xx_synchronize_irq(bcm);
- } else {
- /* Periodic work should take short time, so we want low
- * locking overhead.
- */
- spin_lock_irqsave(&bcm->irq_lock, flags);
- }
-
- do_periodic_work(bcm);
-
- if (unlikely(bcm->periodic_state % 60 == 0)) {
- spin_lock_irqsave(&bcm->irq_lock, flags);
- tasklet_enable(&bcm->isr_tasklet);
- bcm43xx_interrupt_enable(bcm, savedirqs);
- if (bcm43xx_using_pio(bcm))
- bcm43xx_pio_thaw_txqueues(bcm);
- bcm43xx_mac_enable(bcm);
- netif_wake_queue(bcm->net_dev);
- net_dev->trans_start = orig_trans_start;
- }
- mmiowb();
- bcm->periodic_state++;
- spin_unlock_irqrestore(&bcm->irq_lock, flags);
-unlock_mutex:
- mutex_unlock(&bcm->mutex);
-}
-
-void bcm43xx_periodic_tasks_setup(struct bcm43xx_private *bcm)
-{
- struct delayed_work *work = &bcm->periodic_work;
-
- assert(bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED);
- INIT_DELAYED_WORK(work, bcm43xx_periodic_work_handler);
- schedule_delayed_work(work, 0);
-}
-
-static void bcm43xx_security_init(struct bcm43xx_private *bcm)
-{
- bcm->security_offset = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
- 0x0056) * 2;
- bcm43xx_clear_keys(bcm);
-}
-
-static int bcm43xx_rng_read(struct hwrng *rng, u32 *data)
-{
- struct bcm43xx_private *bcm = (struct bcm43xx_private *)rng->priv;
- unsigned long flags;
-
- spin_lock_irqsave(&(bcm)->irq_lock, flags);
- *data = bcm43xx_read16(bcm, BCM43xx_MMIO_RNG);
- spin_unlock_irqrestore(&(bcm)->irq_lock, flags);
-
- return (sizeof(u16));
-}
-
-static void bcm43xx_rng_exit(struct bcm43xx_private *bcm)
-{
- hwrng_unregister(&bcm->rng);
-}
-
-static int bcm43xx_rng_init(struct bcm43xx_private *bcm)
-{
- int err;
-
- snprintf(bcm->rng_name, ARRAY_SIZE(bcm->rng_name),
- "%s_%s", KBUILD_MODNAME, bcm->net_dev->name);
- bcm->rng.name = bcm->rng_name;
- bcm->rng.data_read = bcm43xx_rng_read;
- bcm->rng.priv = (unsigned long)bcm;
- err = hwrng_register(&bcm->rng);
- if (err)
- printk(KERN_ERR PFX "RNG init failed (%d)\n", err);
-
- return err;
-}
-
-void bcm43xx_cancel_work(struct bcm43xx_private *bcm)
-{
- /* The system must be unlocked when this routine is entered.
- * If not, the next 2 steps may deadlock */
- cancel_work_sync(&bcm->restart_work);
- cancel_delayed_work_sync(&bcm->periodic_work);
-}
-
-static int bcm43xx_shutdown_all_wireless_cores(struct bcm43xx_private *bcm)
-{
- int ret = 0;
- int i, err;
- struct bcm43xx_coreinfo *core;
-
- bcm43xx_set_status(bcm, BCM43xx_STAT_SHUTTINGDOWN);
- for (i = 0; i < bcm->nr_80211_available; i++) {
- core = &(bcm->core_80211[i]);
- assert(core->available);
- if (!core->initialized)
- continue;
- err = bcm43xx_switch_core(bcm, core);
- if (err) {
- dprintk(KERN_ERR PFX "shutdown_all_wireless_cores "
- "switch_core failed (%d)\n", err);
- ret = err;
- continue;
- }
- bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL);
- bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */
- bcm43xx_wireless_core_cleanup(bcm);
- if (core == bcm->active_80211_core)
- bcm->active_80211_core = NULL;
- }
- free_irq(bcm->irq, bcm);
- bcm43xx_set_status(bcm, BCM43xx_STAT_UNINIT);
-
- return ret;
-}
-
-/* This is the opposite of bcm43xx_init_board() */
-static void bcm43xx_free_board(struct bcm43xx_private *bcm)
-{
- bcm43xx_rng_exit(bcm);
- bcm43xx_sysfs_unregister(bcm);
-
- mutex_lock(&(bcm)->mutex);
- bcm43xx_set_status(bcm, BCM43xx_STAT_UNINIT);
- mutex_unlock(&(bcm)->mutex);
-
- bcm43xx_cancel_work(bcm);
-
- mutex_lock(&(bcm)->mutex);
- bcm43xx_shutdown_all_wireless_cores(bcm);
- bcm43xx_pctl_set_crystal(bcm, 0);
- mutex_unlock(&(bcm)->mutex);
-}
-
-static void prepare_phydata_for_init(struct bcm43xx_phyinfo *phy)
-{
- phy->antenna_diversity = 0xFFFF;
- memset(phy->minlowsig, 0xFF, sizeof(phy->minlowsig));
- memset(phy->minlowsigpos, 0, sizeof(phy->minlowsigpos));
-
- /* Flags */
- phy->calibrated = 0;
- phy->is_locked = 0;
-
- if (phy->_lo_pairs) {
- memset(phy->_lo_pairs, 0,
- sizeof(struct bcm43xx_lopair) * BCM43xx_LO_COUNT);
- }
- memset(phy->loopback_gain, 0, sizeof(phy->loopback_gain));
-}
-
-static void prepare_radiodata_for_init(struct bcm43xx_private *bcm,
- struct bcm43xx_radioinfo *radio)
-{
- int i;
-
- /* Set default attenuation values. */
- radio->baseband_atten = bcm43xx_default_baseband_attenuation(bcm);
- radio->radio_atten = bcm43xx_default_radio_attenuation(bcm);
- radio->txctl1 = bcm43xx_default_txctl1(bcm);
- radio->txctl2 = 0xFFFF;
- radio->txpwr_offset = 0;
-
- /* NRSSI */
- radio->nrssislope = 0;
- for (i = 0; i < ARRAY_SIZE(radio->nrssi); i++)
- radio->nrssi[i] = -1000;
- for (i = 0; i < ARRAY_SIZE(radio->nrssi_lt); i++)
- radio->nrssi_lt[i] = i;
-
- radio->lofcal = 0xFFFF;
- radio->initval = 0xFFFF;
-
- radio->aci_enable = 0;
- radio->aci_wlan_automatic = 0;
- radio->aci_hw_rssi = 0;
-}
-
-static void prepare_priv_for_init(struct bcm43xx_private *bcm)
-{
- int i;
- struct bcm43xx_coreinfo *core;
- struct bcm43xx_coreinfo_80211 *wlext;
-
- assert(!bcm->active_80211_core);
-
- bcm43xx_set_status(bcm, BCM43xx_STAT_INITIALIZING);
-
- /* Flags */
- bcm->was_initialized = 0;
- bcm->reg124_set_0x4 = 0;
-
- /* Stats */
- memset(&bcm->stats, 0, sizeof(bcm->stats));
-
- /* Wireless core data */
- for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) {
- core = &(bcm->core_80211[i]);
- wlext = core->priv;
-
- if (!core->available)
- continue;
- assert(wlext == &(bcm->core_80211_ext[i]));
-
- prepare_phydata_for_init(&wlext->phy);
- prepare_radiodata_for_init(bcm, &wlext->radio);
- }
-
- /* IRQ related flags */
- bcm->irq_reason = 0;
- memset(bcm->dma_reason, 0, sizeof(bcm->dma_reason));
- bcm->irq_savedstate = BCM43xx_IRQ_INITIAL;
-
- bcm->mac_suspended = 1;
-
- /* Noise calculation context */
- memset(&bcm->noisecalc, 0, sizeof(bcm->noisecalc));
-
- /* Periodic work context */
- bcm->periodic_state = 0;
-}
-
-static int wireless_core_up(struct bcm43xx_private *bcm,
- int active_wlcore)
-{
- int err;
-
- if (!bcm43xx_core_enabled(bcm))
- bcm43xx_wireless_core_reset(bcm, 1);
- if (!active_wlcore)
- bcm43xx_wireless_core_mark_inactive(bcm);
- err = bcm43xx_wireless_core_init(bcm, active_wlcore);
- if (err)
- goto out;
- if (!active_wlcore)
- bcm43xx_radio_turn_off(bcm);
-out:
- return err;
-}
-
-/* Select and enable the "to be used" wireless core.
- * Locking: bcm->mutex must be aquired before calling this.
- * bcm->irq_lock must not be aquired.
- */
-int bcm43xx_select_wireless_core(struct bcm43xx_private *bcm,
- int phytype)
-{
- int i, err;
- struct bcm43xx_coreinfo *active_core = NULL;
- struct bcm43xx_coreinfo_80211 *active_wlext = NULL;
- struct bcm43xx_coreinfo *core;
- struct bcm43xx_coreinfo_80211 *wlext;
- int adjust_active_sbtmstatelow = 0;
-
- might_sleep();
-
- if (phytype < 0) {
- /* If no phytype is requested, select the first core. */
- assert(bcm->core_80211[0].available);
- wlext = bcm->core_80211[0].priv;
- phytype = wlext->phy.type;
- }
- /* Find the requested core. */
- for (i = 0; i < bcm->nr_80211_available; i++) {
- core = &(bcm->core_80211[i]);
- wlext = core->priv;
- if (wlext->phy.type == phytype) {
- active_core = core;
- active_wlext = wlext;
- break;
- }
- }
- if (!active_core)
- return -ESRCH; /* No such PHYTYPE on this board. */
-
- if (bcm->active_80211_core) {
- /* We already selected a wl core in the past.
- * So first clean up everything.
- */
- dprintk(KERN_INFO PFX "select_wireless_core: cleanup\n");
- ieee80211softmac_stop(bcm->net_dev);
- bcm43xx_set_status(bcm, BCM43xx_STAT_INITIALIZED);
- err = bcm43xx_disable_interrupts_sync(bcm);
- assert(!err);
- tasklet_enable(&bcm->isr_tasklet);
- err = bcm43xx_shutdown_all_wireless_cores(bcm);
- if (err)
- goto error;
- /* Ok, everything down, continue to re-initialize. */
- bcm43xx_set_status(bcm, BCM43xx_STAT_INITIALIZING);
- }
-
- /* Reset all data structures. */
- prepare_priv_for_init(bcm);
-
- err = bcm43xx_pctl_set_clock(bcm, BCM43xx_PCTL_CLK_FAST);
- if (err)
- goto error;
-
- /* Mark all unused cores "inactive". */
- for (i = 0; i < bcm->nr_80211_available; i++) {
- core = &(bcm->core_80211[i]);
- wlext = core->priv;
-
- if (core == active_core)
- continue;
- err = bcm43xx_switch_core(bcm, core);
- if (err) {
- dprintk(KERN_ERR PFX "Could not switch to inactive "
- "802.11 core (%d)\n", err);
- goto error;
- }
- err = wireless_core_up(bcm, 0);
- if (err) {
- dprintk(KERN_ERR PFX "core_up for inactive 802.11 core "
- "failed (%d)\n", err);
- goto error;
- }
- adjust_active_sbtmstatelow = 1;
- }
-
- /* Now initialize the active 802.11 core. */
- err = bcm43xx_switch_core(bcm, active_core);
- if (err) {
- dprintk(KERN_ERR PFX "Could not switch to active "
- "802.11 core (%d)\n", err);
- goto error;
- }
- if (adjust_active_sbtmstatelow &&
- active_wlext->phy.type == BCM43xx_PHYTYPE_G) {
- u32 sbtmstatelow;
-
- sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
- sbtmstatelow |= BCM43xx_SBTMSTATELOW_G_MODE_ENABLE;
- bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow);
- }
- err = wireless_core_up(bcm, 1);
- if (err) {
- dprintk(KERN_ERR PFX "core_up for active 802.11 core "
- "failed (%d)\n", err);
- goto error;
- }
- err = bcm43xx_pctl_set_clock(bcm, BCM43xx_PCTL_CLK_DYNAMIC);
- if (err)
- goto error;
- bcm->active_80211_core = active_core;
-
- bcm43xx_macfilter_clear(bcm, BCM43xx_MACFILTER_ASSOC);
- bcm43xx_macfilter_set(bcm, BCM43xx_MACFILTER_SELF, (u8 *)(bcm->net_dev->dev_addr));
- bcm43xx_security_init(bcm);
- drain_txstatus_queue(bcm);
- ieee80211softmac_start(bcm->net_dev);
-
- /* Let's go! Be careful after enabling the IRQs.
- * Don't switch cores, for example.
- */
- bcm43xx_mac_enable(bcm);
- bcm43xx_set_status(bcm, BCM43xx_STAT_INITIALIZED);
- err = bcm43xx_initialize_irq(bcm);
- if (err)
- goto error;
- bcm43xx_interrupt_enable(bcm, bcm->irq_savedstate);
-
- dprintk(KERN_INFO PFX "Selected 802.11 core (phytype %d)\n",
- active_wlext->phy.type);
-
- return 0;
-
-error:
- bcm43xx_set_status(bcm, BCM43xx_STAT_UNINIT);
- bcm43xx_pctl_set_clock(bcm, BCM43xx_PCTL_CLK_SLOW);
- return err;
-}
-
-static int bcm43xx_init_board(struct bcm43xx_private *bcm)
-{
- int err;
-
- mutex_lock(&(bcm)->mutex);
-
- tasklet_enable(&bcm->isr_tasklet);
- err = bcm43xx_pctl_set_crystal(bcm, 1);
- if (err)
- goto err_tasklet;
- err = bcm43xx_pctl_init(bcm);
- if (err)
- goto err_crystal_off;
- err = bcm43xx_select_wireless_core(bcm, -1);
- if (err)
- goto err_crystal_off;
- err = bcm43xx_sysfs_register(bcm);
- if (err)
- goto err_wlshutdown;
- err = bcm43xx_rng_init(bcm);
- if (err)
- goto err_sysfs_unreg;
- bcm43xx_periodic_tasks_setup(bcm);
-
- /*FIXME: This should be handled by softmac instead. */
- schedule_delayed_work(&bcm->softmac->associnfo.work, 0);
-
-out:
- mutex_unlock(&(bcm)->mutex);
-
- return err;
-
-err_sysfs_unreg:
- bcm43xx_sysfs_unregister(bcm);
-err_wlshutdown:
- bcm43xx_shutdown_all_wireless_cores(bcm);
-err_crystal_off:
- bcm43xx_pctl_set_crystal(bcm, 0);
-err_tasklet:
- tasklet_disable(&bcm->isr_tasklet);
- goto out;
-}
-
-static void bcm43xx_detach_board(struct bcm43xx_private *bcm)
-{
- struct pci_dev *pci_dev = bcm->pci_dev;
- int i;
-
- bcm43xx_chipset_detach(bcm);
- /* Do _not_ access the chip, after it is detached. */
- pci_iounmap(pci_dev, bcm->mmio_addr);
- pci_release_regions(pci_dev);
- pci_disable_device(pci_dev);
-
- /* Free allocated structures/fields */
- for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) {
- kfree(bcm->core_80211_ext[i].phy._lo_pairs);
- if (bcm->core_80211_ext[i].phy.dyn_tssi_tbl)
- kfree(bcm->core_80211_ext[i].phy.tssi2dbm);
- }
-}
-
-static int bcm43xx_read_phyinfo(struct bcm43xx_private *bcm)
-{
- struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
- u16 value;
- u8 phy_analog;
- u8 phy_type;
- u8 phy_rev;
- int phy_rev_ok = 1;
- void *p;
-
- value = bcm43xx_read16(bcm, BCM43xx_MMIO_PHY_VER);
-
- phy_analog = (value & 0xF000) >> 12;
- phy_type = (value & 0x0F00) >> 8;
- phy_rev = (value & 0x000F);
-
- dprintk(KERN_INFO PFX "Detected PHY: Analog: %x, Type %x, Revision %x\n",
- phy_analog, phy_type, phy_rev);
-
- switch (phy_type) {
- case BCM43xx_PHYTYPE_A:
- if (phy_rev >= 4)
- phy_rev_ok = 0;
- /*FIXME: We need to switch the ieee->modulation, etc.. flags,
- * if we switch 80211 cores after init is done.
- * As we do not implement on the fly switching between
- * wireless cores, I will leave this as a future task.
- */
- bcm->ieee->modulation = IEEE80211_OFDM_MODULATION;
- bcm->ieee->mode = IEEE_A;
- bcm->ieee->freq_band = IEEE80211_52GHZ_BAND |
- IEEE80211_24GHZ_BAND;
- break;
- case BCM43xx_PHYTYPE_B:
- if (phy_rev != 2 && phy_rev != 4 && phy_rev != 6 && phy_rev != 7)
- phy_rev_ok = 0;
- bcm->ieee->modulation = IEEE80211_CCK_MODULATION;
- bcm->ieee->mode = IEEE_B;
- bcm->ieee->freq_band = IEEE80211_24GHZ_BAND;
- break;
- case BCM43xx_PHYTYPE_G:
- if (phy_rev > 8)
- phy_rev_ok = 0;
- bcm->ieee->modulation = IEEE80211_OFDM_MODULATION |
- IEEE80211_CCK_MODULATION;
- bcm->ieee->mode = IEEE_G;
- bcm->ieee->freq_band = IEEE80211_24GHZ_BAND;
- break;
- default:
- printk(KERN_ERR PFX "Error: Unknown PHY Type %x\n",
- phy_type);
- return -ENODEV;
- };
- bcm->ieee->perfect_rssi = RX_RSSI_MAX;
- bcm->ieee->worst_rssi = 0;
- if (!phy_rev_ok) {
- printk(KERN_WARNING PFX "Invalid PHY Revision %x\n",
- phy_rev);
- }
-
- phy->analog = phy_analog;
- phy->type = phy_type;
- phy->rev = phy_rev;
- if ((phy_type == BCM43xx_PHYTYPE_B) || (phy_type == BCM43xx_PHYTYPE_G)) {
- p = kzalloc(sizeof(struct bcm43xx_lopair) * BCM43xx_LO_COUNT,
- GFP_KERNEL);
- if (!p)
- return -ENOMEM;
- phy->_lo_pairs = p;
- }
-
- return 0;
-}
-
-static int bcm43xx_attach_board(struct bcm43xx_private *bcm)
-{
- struct pci_dev *pci_dev = bcm->pci_dev;
- struct net_device *net_dev = bcm->net_dev;
- int err;
- int i;
- u32 coremask;
-
- err = pci_enable_device(pci_dev);
- if (err) {
- printk(KERN_ERR PFX "pci_enable_device() failed\n");
- goto out;
- }
- err = pci_request_regions(pci_dev, KBUILD_MODNAME);
- if (err) {
- printk(KERN_ERR PFX "pci_request_regions() failed\n");
- goto err_pci_disable;
- }
- /* enable PCI bus-mastering */
- pci_set_master(pci_dev);
- bcm->mmio_addr = pci_iomap(pci_dev, 0, ~0UL);
- if (!bcm->mmio_addr) {
- printk(KERN_ERR PFX "pci_iomap() failed\n");
- err = -EIO;
- goto err_pci_release;
- }
- net_dev->base_addr = (unsigned long)bcm->mmio_addr;
-
- err = bcm43xx_pci_read_config16(bcm, PCI_SUBSYSTEM_VENDOR_ID,
- &bcm->board_vendor);
- if (err)
- goto err_iounmap;
- err = bcm43xx_pci_read_config16(bcm, PCI_SUBSYSTEM_ID,
- &bcm->board_type);
- if (err)
- goto err_iounmap;
-
- bcm->board_revision = bcm->pci_dev->revision;
-
- err = bcm43xx_chipset_attach(bcm);
- if (err)
- goto err_iounmap;
- err = bcm43xx_pctl_init(bcm);
- if (err)
- goto err_chipset_detach;
- err = bcm43xx_probe_cores(bcm);
- if (err)
- goto err_chipset_detach;
-
- /* Attach all IO cores to the backplane. */
- coremask = 0;
- for (i = 0; i < bcm->nr_80211_available; i++)
- coremask |= (1 << bcm->core_80211[i].index);
- //FIXME: Also attach some non80211 cores?
- err = bcm43xx_setup_backplane_pci_connection(bcm, coremask);
- if (err) {
- printk(KERN_ERR PFX "Backplane->PCI connection failed!\n");
- goto err_chipset_detach;
- }
-
- err = bcm43xx_sprom_extract(bcm);
- if (err)
- goto err_chipset_detach;
- err = bcm43xx_leds_init(bcm);
- if (err)
- goto err_chipset_detach;
-
- for (i = 0; i < bcm->nr_80211_available; i++) {
- err = bcm43xx_switch_core(bcm, &bcm->core_80211[i]);
- assert(err != -ENODEV);
- if (err)
- goto err_80211_unwind;
-
- /* Enable the selected wireless core.
- * Connect PHY only on the first core.
- */
- bcm43xx_wireless_core_reset(bcm, (i == 0));
-
- err = bcm43xx_read_phyinfo(bcm);
- if (err && (i == 0))
- goto err_80211_unwind;
-
- err = bcm43xx_read_radioinfo(bcm);
- if (err && (i == 0))
- goto err_80211_unwind;
-
- err = bcm43xx_validate_chip(bcm);
- if (err && (i == 0))
- goto err_80211_unwind;
-
- bcm43xx_radio_turn_off(bcm);
- err = bcm43xx_phy_init_tssi2dbm_table(bcm);
- if (err)
- goto err_80211_unwind;
- bcm43xx_wireless_core_disable(bcm);
- }
- err = bcm43xx_geo_init(bcm);
- if (err)
- goto err_80211_unwind;
- bcm43xx_pctl_set_crystal(bcm, 0);
-
- /* Set the MAC address in the networking subsystem */
- if (is_valid_ether_addr(bcm->sprom.et1macaddr))
- memcpy(bcm->net_dev->dev_addr, bcm->sprom.et1macaddr, 6);
- else
- memcpy(bcm->net_dev->dev_addr, bcm->sprom.il0macaddr, 6);
-
- snprintf(bcm->nick, IW_ESSID_MAX_SIZE,
- "Broadcom %04X", bcm->chip_id);
-
- assert(err == 0);
-out:
- return err;
-
-err_80211_unwind:
- for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) {
- kfree(bcm->core_80211_ext[i].phy._lo_pairs);
- if (bcm->core_80211_ext[i].phy.dyn_tssi_tbl)
- kfree(bcm->core_80211_ext[i].phy.tssi2dbm);
- }
-err_chipset_detach:
- bcm43xx_chipset_detach(bcm);
-err_iounmap:
- pci_iounmap(pci_dev, bcm->mmio_addr);
-err_pci_release:
- pci_release_regions(pci_dev);
-err_pci_disable:
- pci_disable_device(pci_dev);
- printk(KERN_ERR PFX "Unable to attach board\n");
- goto out;
-}
-
-/* Do the Hardware IO operations to send the txb */
-static inline int bcm43xx_tx(struct bcm43xx_private *bcm,
- struct ieee80211_txb *txb)
-{
- int err = -ENODEV;
-
- if (bcm43xx_using_pio(bcm))
- err = bcm43xx_pio_tx(bcm, txb);
- else
- err = bcm43xx_dma_tx(bcm, txb);
- bcm->net_dev->trans_start = jiffies;
-
- return err;
-}
-
-static void bcm43xx_ieee80211_set_chan(struct net_device *net_dev,
- u8 channel)
-{
- struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
- struct bcm43xx_radioinfo *radio;
- unsigned long flags;
-
- mutex_lock(&bcm->mutex);
- spin_lock_irqsave(&bcm->irq_lock, flags);
- if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED) {
- bcm43xx_mac_suspend(bcm);
- bcm43xx_radio_selectchannel(bcm, channel, 0);
- bcm43xx_mac_enable(bcm);
- } else {
- radio = bcm43xx_current_radio(bcm);
- radio->initial_channel = channel;
- }
- spin_unlock_irqrestore(&bcm->irq_lock, flags);
- mutex_unlock(&bcm->mutex);
-}
-
-/* set_security() callback in struct ieee80211_device */
-static void bcm43xx_ieee80211_set_security(struct net_device *net_dev,
- struct ieee80211_security *sec)
-{
- struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
- struct ieee80211_security *secinfo = &bcm->ieee->sec;
- unsigned long flags;
- int keyidx;
-
- dprintk(KERN_INFO PFX "set security called");
-
- mutex_lock(&bcm->mutex);
- spin_lock_irqsave(&bcm->irq_lock, flags);
-
- for (keyidx = 0; keyidx<WEP_KEYS; keyidx++)
- if (sec->flags & (1<<keyidx)) {
- secinfo->encode_alg[keyidx] = sec->encode_alg[keyidx];
- secinfo->key_sizes[keyidx] = sec->key_sizes[keyidx];
- memcpy(secinfo->keys[keyidx], sec->keys[keyidx], SCM_KEY_LEN);
- }
-
- if (sec->flags & SEC_ACTIVE_KEY) {
- secinfo->active_key = sec->active_key;
- dprintk(", .active_key = %d", sec->active_key);
- }
- if (sec->flags & SEC_UNICAST_GROUP) {
- secinfo->unicast_uses_group = sec->unicast_uses_group;
- dprintk(", .unicast_uses_group = %d", sec->unicast_uses_group);
- }
- if (sec->flags & SEC_LEVEL) {
- secinfo->level = sec->level;
- dprintk(", .level = %d", sec->level);
- }
- if (sec->flags & SEC_ENABLED) {
- secinfo->enabled = sec->enabled;
- dprintk(", .enabled = %d", sec->enabled);
- }
- if (sec->flags & SEC_ENCRYPT) {
- secinfo->encrypt = sec->encrypt;
- dprintk(", .encrypt = %d", sec->encrypt);
- }
- if (sec->flags & SEC_AUTH_MODE) {
- secinfo->auth_mode = sec->auth_mode;
- dprintk(", .auth_mode = %d", sec->auth_mode);
- }
- dprintk("\n");
- if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED &&
- !bcm->ieee->host_encrypt) {
- if (secinfo->enabled) {
- /* upload WEP keys to hardware */
- char null_address[6] = { 0 };
- u8 algorithm = 0;
- for (keyidx = 0; keyidx<WEP_KEYS; keyidx++) {
- if (!(sec->flags & (1<<keyidx)))
- continue;
- switch (sec->encode_alg[keyidx]) {
- case SEC_ALG_NONE: algorithm = BCM43xx_SEC_ALGO_NONE; break;
- case SEC_ALG_WEP:
- algorithm = BCM43xx_SEC_ALGO_WEP;
- if (secinfo->key_sizes[keyidx] == 13)
- algorithm = BCM43xx_SEC_ALGO_WEP104;
- break;
- case SEC_ALG_TKIP:
- FIXME();
- algorithm = BCM43xx_SEC_ALGO_TKIP;
- break;
- case SEC_ALG_CCMP:
- FIXME();
- algorithm = BCM43xx_SEC_ALGO_AES;
- break;
- default:
- assert(0);
- break;
- }
- bcm43xx_key_write(bcm, keyidx, algorithm, sec->keys[keyidx], secinfo->key_sizes[keyidx], &null_address[0]);
- bcm->key[keyidx].enabled = 1;
- bcm->key[keyidx].algorithm = algorithm;
- }
- } else
- bcm43xx_clear_keys(bcm);
- }
- spin_unlock_irqrestore(&bcm->irq_lock, flags);
- mutex_unlock(&bcm->mutex);
-}
-
-/* hard_start_xmit() callback in struct ieee80211_device */
-static int bcm43xx_ieee80211_hard_start_xmit(struct ieee80211_txb *txb,
- struct net_device *net_dev,
- int pri)
-{
- struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
- int err = -ENODEV;
- unsigned long flags;
-
- spin_lock_irqsave(&bcm->irq_lock, flags);
- if (likely(bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED))
- err = bcm43xx_tx(bcm, txb);
- spin_unlock_irqrestore(&bcm->irq_lock, flags);
-
- if (unlikely(err))
- return NETDEV_TX_BUSY;
- return NETDEV_TX_OK;
-}
-
-static void bcm43xx_net_tx_timeout(struct net_device *net_dev)
-{
- struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
- unsigned long flags;
-
- spin_lock_irqsave(&bcm->irq_lock, flags);
- bcm43xx_controller_restart(bcm, "TX timeout");
- spin_unlock_irqrestore(&bcm->irq_lock, flags);
-}
-
-#ifdef CONFIG_NET_POLL_CONTROLLER
-static void bcm43xx_net_poll_controller(struct net_device *net_dev)
-{
- struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
- unsigned long flags;
-
- local_irq_save(flags);
- if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED)
- bcm43xx_interrupt_handler(bcm->irq, bcm);
- local_irq_restore(flags);
-}
-#endif /* CONFIG_NET_POLL_CONTROLLER */
-
-static int bcm43xx_net_open(struct net_device *net_dev)
-{
- struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
-
- return bcm43xx_init_board(bcm);
-}
-
-static int bcm43xx_net_stop(struct net_device *net_dev)
-{
- struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
- int err;
-
- ieee80211softmac_stop(net_dev);
- err = bcm43xx_disable_interrupts_sync(bcm);
- assert(!err);
- bcm43xx_free_board(bcm);
- bcm43xx_cancel_work(bcm);
-
- return 0;
-}
-
-static int bcm43xx_init_private(struct bcm43xx_private *bcm,
- struct net_device *net_dev,
- struct pci_dev *pci_dev)
-{
- bcm43xx_set_status(bcm, BCM43xx_STAT_UNINIT);
- bcm->ieee = netdev_priv(net_dev);
- bcm->softmac = ieee80211_priv(net_dev);
- bcm->softmac->set_channel = bcm43xx_ieee80211_set_chan;
-
- bcm->irq_savedstate = BCM43xx_IRQ_INITIAL;
- bcm->mac_suspended = 1;
- bcm->pci_dev = pci_dev;
- bcm->net_dev = net_dev;
- bcm->bad_frames_preempt = modparam_bad_frames_preempt;
- spin_lock_init(&bcm->irq_lock);
- spin_lock_init(&bcm->leds_lock);
- mutex_init(&bcm->mutex);
- tasklet_init(&bcm->isr_tasklet,
- (void (*)(unsigned long))bcm43xx_interrupt_tasklet,
- (unsigned long)bcm);
- tasklet_disable_nosync(&bcm->isr_tasklet);
- if (modparam_pio)
- bcm->__using_pio = 1;
- bcm->rts_threshold = BCM43xx_DEFAULT_RTS_THRESHOLD;
-
- /* default to sw encryption for now */
- bcm->ieee->host_build_iv = 0;
- bcm->ieee->host_encrypt = 1;
- bcm->ieee->host_decrypt = 1;
-
- bcm->ieee->iw_mode = BCM43xx_INITIAL_IWMODE;
- bcm->ieee->tx_headroom = sizeof(struct bcm43xx_txhdr);
- bcm->ieee->set_security = bcm43xx_ieee80211_set_security;
- bcm->ieee->hard_start_xmit = bcm43xx_ieee80211_hard_start_xmit;
-
- return 0;
-}
-
-static int __devinit bcm43xx_init_one(struct pci_dev *pdev,
- const struct pci_device_id *ent)
-{
- struct net_device *net_dev;
- struct bcm43xx_private *bcm;
- int err;
-
-#ifdef DEBUG_SINGLE_DEVICE_ONLY
- if (strcmp(pci_name(pdev), DEBUG_SINGLE_DEVICE_ONLY))
- return -ENODEV;
-#endif
-
- net_dev = alloc_ieee80211softmac(sizeof(*bcm));
- if (!net_dev) {
- printk(KERN_ERR PFX
- "could not allocate ieee80211 device %s\n",
- pci_name(pdev));
- err = -ENOMEM;
- goto out;
- }
- /* initialize the net_device struct */
- SET_NETDEV_DEV(net_dev, &pdev->dev);
-
- net_dev->open = bcm43xx_net_open;
- net_dev->stop = bcm43xx_net_stop;
- net_dev->tx_timeout = bcm43xx_net_tx_timeout;
-#ifdef CONFIG_NET_POLL_CONTROLLER
- net_dev->poll_controller = bcm43xx_net_poll_controller;
-#endif
- net_dev->wireless_handlers = &bcm43xx_wx_handlers_def;
- net_dev->irq = pdev->irq;
- SET_ETHTOOL_OPS(net_dev, &bcm43xx_ethtool_ops);
-
- /* initialize the bcm43xx_private struct */
- bcm = bcm43xx_priv(net_dev);
- memset(bcm, 0, sizeof(*bcm));
- err = bcm43xx_init_private(bcm, net_dev, pdev);
- if (err)
- goto err_free_netdev;
-
- pci_set_drvdata(pdev, net_dev);
-
- err = bcm43xx_attach_board(bcm);
- if (err)
- goto err_free_netdev;
-
- err = register_netdev(net_dev);
- if (err) {
- printk(KERN_ERR PFX "Cannot register net device, "
- "aborting.\n");
- err = -ENOMEM;
- goto err_detach_board;
- }
-
- bcm43xx_debugfs_add_device(bcm);
-
- assert(err == 0);
-out:
- return err;
-
-err_detach_board:
- bcm43xx_detach_board(bcm);
-err_free_netdev:
- free_ieee80211softmac(net_dev);
- goto out;
-}
-
-static void __devexit bcm43xx_remove_one(struct pci_dev *pdev)
-{
- struct net_device *net_dev = pci_get_drvdata(pdev);
- struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
-
- bcm43xx_debugfs_remove_device(bcm);
- unregister_netdev(net_dev);
- bcm43xx_detach_board(bcm);
- free_ieee80211softmac(net_dev);
-}
-
-/* Hard-reset the chip. Do not call this directly.
- * Use bcm43xx_controller_restart()
- */
-static void bcm43xx_chip_reset(struct work_struct *work)
-{
- struct bcm43xx_private *bcm =
- container_of(work, struct bcm43xx_private, restart_work);
- struct bcm43xx_phyinfo *phy;
- int err = -ENODEV;
-
- bcm43xx_cancel_work(bcm);
- mutex_lock(&(bcm)->mutex);
- if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED) {
- phy = bcm43xx_current_phy(bcm);
- err = bcm43xx_select_wireless_core(bcm, phy->type);
- if (!err)
- bcm43xx_periodic_tasks_setup(bcm);
- }
- mutex_unlock(&(bcm)->mutex);
-
- printk(KERN_ERR PFX "Controller restart%s\n",
- (err == 0) ? "ed" : " failed");
-}
-
-/* Hard-reset the chip.
- * This can be called from interrupt or process context.
- * bcm->irq_lock must be locked.
- */
-void bcm43xx_controller_restart(struct bcm43xx_private *bcm, const char *reason)
-{
- if (bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED)
- return;
- printk(KERN_ERR PFX "Controller RESET (%s) ...\n", reason);
- INIT_WORK(&bcm->restart_work, bcm43xx_chip_reset);
- schedule_work(&bcm->restart_work);
-}
-
-#ifdef CONFIG_PM
-
-static int bcm43xx_suspend(struct pci_dev *pdev, pm_message_t state)
-{
- struct net_device *net_dev = pci_get_drvdata(pdev);
- struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
- int err;
-
- dprintk(KERN_INFO PFX "Suspending...\n");
-
- netif_device_detach(net_dev);
- bcm->was_initialized = 0;
- if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED) {
- bcm->was_initialized = 1;
- ieee80211softmac_stop(net_dev);
- err = bcm43xx_disable_interrupts_sync(bcm);
- if (unlikely(err)) {
- dprintk(KERN_ERR PFX "Suspend failed.\n");
- return -EAGAIN;
- }
- bcm->firmware_norelease = 1;
- bcm43xx_free_board(bcm);
- bcm->firmware_norelease = 0;
- }
- bcm43xx_chipset_detach(bcm);
-
- pci_save_state(pdev);
- pci_disable_device(pdev);
- pci_set_power_state(pdev, pci_choose_state(pdev, state));
-
- dprintk(KERN_INFO PFX "Device suspended.\n");
-
- return 0;
-}
-
-static int bcm43xx_resume(struct pci_dev *pdev)
-{
- struct net_device *net_dev = pci_get_drvdata(pdev);
- struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
- int err = 0;
-
- dprintk(KERN_INFO PFX "Resuming...\n");
-
- pci_set_power_state(pdev, 0);
- err = pci_enable_device(pdev);
- if (err) {
- printk(KERN_ERR PFX "Failure with pci_enable_device!\n");
- return err;
- }
- pci_restore_state(pdev);
-
- bcm43xx_chipset_attach(bcm);
- if (bcm->was_initialized)
- err = bcm43xx_init_board(bcm);
- if (err) {
- printk(KERN_ERR PFX "Resume failed!\n");
- return err;
- }
- netif_device_attach(net_dev);
-
- dprintk(KERN_INFO PFX "Device resumed.\n");
-
- return 0;
-}
-
-#endif /* CONFIG_PM */
-
-static struct pci_driver bcm43xx_pci_driver = {
- .name = KBUILD_MODNAME,
- .id_table = bcm43xx_pci_tbl,
- .probe = bcm43xx_init_one,
- .remove = __devexit_p(bcm43xx_remove_one),
-#ifdef CONFIG_PM
- .suspend = bcm43xx_suspend,
- .resume = bcm43xx_resume,
-#endif /* CONFIG_PM */
-};
-
-static int __init bcm43xx_init(void)
-{
- printk(KERN_INFO KBUILD_MODNAME " driver\n");
- bcm43xx_debugfs_init();
- return pci_register_driver(&bcm43xx_pci_driver);
-}
-
-static void __exit bcm43xx_exit(void)
-{
- pci_unregister_driver(&bcm43xx_pci_driver);
- bcm43xx_debugfs_exit();
-}
-
-module_init(bcm43xx_init)
-module_exit(bcm43xx_exit)