diff options
Diffstat (limited to 'package/bcm43xx-mac80211/src/bcm43xx/bcm43xx_main.c')
| -rw-r--r-- | package/bcm43xx-mac80211/src/bcm43xx/bcm43xx_main.c | 4012 |
1 files changed, 0 insertions, 4012 deletions
diff --git a/package/bcm43xx-mac80211/src/bcm43xx/bcm43xx_main.c b/package/bcm43xx-mac80211/src/bcm43xx/bcm43xx_main.c deleted file mode 100644 index e13c1168ef..0000000000 --- a/package/bcm43xx-mac80211/src/bcm43xx/bcm43xx_main.c +++ /dev/null @@ -1,4012 +0,0 @@ -/* - - Broadcom BCM43xx wireless driver - - Copyright (c) 2005 Martin Langer <martin-langer@gmx.de> - Copyright (c) 2005 Stefano Brivio <st3@riseup.net> - Copyright (c) 2005, 2006 Michael Buesch <mb@bu3sch.de> - Copyright (c) 2005 Danny van Dyk <kugelfang@gentoo.org> - Copyright (c) 2005 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 "bcm43xx.h" -#include "bcm43xx_main.h" -#include "bcm43xx_debugfs.h" -#include "bcm43xx_phy.h" -#include "bcm43xx_dma.h" -#include "bcm43xx_pio.h" -#include "bcm43xx_power.h" -#include "bcm43xx_sysfs.h" -#include "bcm43xx_xmit.h" -#include "bcm43xx_sysfs.h" -#include "bcm43xx_lo.h" -#include "bcm43xx_pcmcia.h" - - -MODULE_DESCRIPTION("Broadcom BCM43xx wireless driver"); -MODULE_AUTHOR("Martin Langer"); -MODULE_AUTHOR("Stefano Brivio"); -MODULE_AUTHOR("Michael Buesch"); -MODULE_LICENSE("GPL"); - - -extern char *nvram_get(char *name); - - -#if defined(CONFIG_BCM43XX_MAC80211_DMA) && defined(CONFIG_BCM43XX_MAC80211_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_MAC80211_DMA) -# define modparam_pio 0 -#elif defined(CONFIG_BCM43XX_MAC80211_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_noleds; -module_param_named(noleds, modparam_noleds, int, 0444); -MODULE_PARM_DESC(noleds, "Turn off all LED activity"); - -static char modparam_fwpostfix[16]; -module_param_string(fwpostfix, modparam_fwpostfix, 16, 0444); -MODULE_PARM_DESC(fwpostfix, "Postfix for the .fw files to load."); - -static int modparam_mon_keep_bad; -module_param_named(mon_keep_bad, modparam_mon_keep_bad, int, 0444); -MODULE_PARM_DESC(mon_keep_bad, "Keep bad frames in monitor mode"); - -static int modparam_mon_keep_badplcp; -module_param_named(mon_keep_badplcp, modparam_mon_keep_bad, int, 0444); -MODULE_PARM_DESC(mon_keep_badplcp, "Keep frames with bad PLCP in monitor mode"); - - -static const struct ssb_device_id bcm43xx_ssb_tbl[] = { - SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, SSB_ANY_REV), - SSB_DEVTABLE_END -}; -MODULE_DEVICE_TABLE(ssb, bcm43xx_ssb_tbl); - - -/* Channel and ratetables are shared for all devices. - * They can't be const, because ieee80211 puts some precalculated - * data in there. This data is the same for all devices, so we don't - * get concurrency issues */ -#define RATETAB_ENT(_rateid, _flags) \ - { \ - .rate = BCM43xx_RATE_TO_BASE100KBPS(_rateid), \ - .val = (_rateid), \ - .val2 = (_rateid), \ - .flags = (_flags), \ - } -static struct ieee80211_rate __bcm43xx_ratetable[] = { - RATETAB_ENT(BCM43xx_CCK_RATE_1MB, IEEE80211_RATE_CCK), - RATETAB_ENT(BCM43xx_CCK_RATE_2MB, IEEE80211_RATE_CCK_2), - RATETAB_ENT(BCM43xx_CCK_RATE_5MB, IEEE80211_RATE_CCK_2), - RATETAB_ENT(BCM43xx_CCK_RATE_11MB, IEEE80211_RATE_CCK_2), - RATETAB_ENT(BCM43xx_OFDM_RATE_6MB, IEEE80211_RATE_OFDM), - RATETAB_ENT(BCM43xx_OFDM_RATE_9MB, IEEE80211_RATE_OFDM), - RATETAB_ENT(BCM43xx_OFDM_RATE_12MB, IEEE80211_RATE_OFDM), - RATETAB_ENT(BCM43xx_OFDM_RATE_18MB, IEEE80211_RATE_OFDM), - RATETAB_ENT(BCM43xx_OFDM_RATE_24MB, IEEE80211_RATE_OFDM), - RATETAB_ENT(BCM43xx_OFDM_RATE_36MB, IEEE80211_RATE_OFDM), - RATETAB_ENT(BCM43xx_OFDM_RATE_48MB, IEEE80211_RATE_OFDM), - RATETAB_ENT(BCM43xx_OFDM_RATE_54MB, IEEE80211_RATE_OFDM), -}; -#define bcm43xx_a_ratetable (__bcm43xx_ratetable + 4) -#define bcm43xx_a_ratetable_size 8 -#define bcm43xx_b_ratetable (__bcm43xx_ratetable + 0) -#define bcm43xx_b_ratetable_size 4 -#define bcm43xx_g_ratetable (__bcm43xx_ratetable + 0) -#define bcm43xx_g_ratetable_size 12 - -#define CHANTAB_ENT(_chanid, _freq) \ - { \ - .chan = (_chanid), \ - .freq = (_freq), \ - .val = (_chanid), \ - .flag = IEEE80211_CHAN_W_SCAN | \ - IEEE80211_CHAN_W_ACTIVE_SCAN | \ - IEEE80211_CHAN_W_IBSS, \ - .power_level = 0xFF, \ - .antenna_max = 0xFF, \ - } -static struct ieee80211_channel bcm43xx_bg_chantable[] = { - CHANTAB_ENT(1, 2412), - CHANTAB_ENT(2, 2417), - CHANTAB_ENT(3, 2422), - CHANTAB_ENT(4, 2427), - CHANTAB_ENT(5, 2432), - CHANTAB_ENT(6, 2437), - CHANTAB_ENT(7, 2442), - CHANTAB_ENT(8, 2447), - CHANTAB_ENT(9, 2452), - CHANTAB_ENT(10, 2457), - CHANTAB_ENT(11, 2462), - CHANTAB_ENT(12, 2467), - CHANTAB_ENT(13, 2472), - CHANTAB_ENT(14, 2484), -}; -#define bcm43xx_bg_chantable_size ARRAY_SIZE(bcm43xx_bg_chantable) -static struct ieee80211_channel bcm43xx_a_chantable[] = { - CHANTAB_ENT(36, 5180), - CHANTAB_ENT(40, 5200), - CHANTAB_ENT(44, 5220), - CHANTAB_ENT(48, 5240), - CHANTAB_ENT(52, 5260), - CHANTAB_ENT(56, 5280), - CHANTAB_ENT(60, 5300), - CHANTAB_ENT(64, 5320), - CHANTAB_ENT(149, 5745), - CHANTAB_ENT(153, 5765), - CHANTAB_ENT(157, 5785), - CHANTAB_ENT(161, 5805), - CHANTAB_ENT(165, 5825), -}; -#define bcm43xx_a_chantable_size ARRAY_SIZE(bcm43xx_a_chantable) - - -static void bcm43xx_wireless_core_exit(struct bcm43xx_wldev *dev); -static int bcm43xx_wireless_core_init(struct bcm43xx_wldev *dev); -static void bcm43xx_wireless_core_stop(struct bcm43xx_wldev *dev); -static int bcm43xx_wireless_core_start(struct bcm43xx_wldev *dev); - - -static void bcm43xx_ram_write(struct bcm43xx_wldev *dev, u16 offset, u32 val) -{ - u32 status; - - assert(offset % 4 == 0); - - status = bcm43xx_read32(dev, BCM43xx_MMIO_STATUS_BITFIELD); - if (status & BCM43xx_SBF_XFER_REG_BYTESWAP) - val = swab32(val); - - bcm43xx_write32(dev, BCM43xx_MMIO_RAM_CONTROL, offset); - mmiowb(); - bcm43xx_write32(dev, BCM43xx_MMIO_RAM_DATA, val); -} - -static inline -void bcm43xx_shm_control_word(struct bcm43xx_wldev *dev, - u16 routing, u16 offset) -{ - u32 control; - - /* "offset" is the WORD offset. */ - - control = routing; - control <<= 16; - control |= offset; - bcm43xx_write32(dev, BCM43xx_MMIO_SHM_CONTROL, control); -} - -u32 bcm43xx_shm_read32(struct bcm43xx_wldev *dev, - u16 routing, u16 offset) -{ - u32 ret; - - if (routing == BCM43xx_SHM_SHARED) { - assert((offset & 0x0001) == 0); - if (offset & 0x0003) { - /* Unaligned access */ - bcm43xx_shm_control_word(dev, routing, offset >> 2); - ret = bcm43xx_read16(dev, - BCM43xx_MMIO_SHM_DATA_UNALIGNED); - ret <<= 16; - bcm43xx_shm_control_word(dev, routing, (offset >> 2) + 1); - ret |= bcm43xx_read16(dev, - BCM43xx_MMIO_SHM_DATA); - - return ret; - } - offset >>= 2; - } - bcm43xx_shm_control_word(dev, routing, offset); - ret = bcm43xx_read32(dev, BCM43xx_MMIO_SHM_DATA); - - return ret; -} - -u16 bcm43xx_shm_read16(struct bcm43xx_wldev *dev, - u16 routing, u16 offset) -{ - u16 ret; - - if (routing == BCM43xx_SHM_SHARED) { - assert((offset & 0x0001) == 0); - if (offset & 0x0003) { - /* Unaligned access */ - bcm43xx_shm_control_word(dev, routing, offset >> 2); - ret = bcm43xx_read16(dev, - BCM43xx_MMIO_SHM_DATA_UNALIGNED); - - return ret; - } - offset >>= 2; - } - bcm43xx_shm_control_word(dev, routing, offset); - ret = bcm43xx_read16(dev, BCM43xx_MMIO_SHM_DATA); - - return ret; -} - -void bcm43xx_shm_write32(struct bcm43xx_wldev *dev, - u16 routing, u16 offset, - u32 value) -{ - if (routing == BCM43xx_SHM_SHARED) { - assert((offset & 0x0001) == 0); - if (offset & 0x0003) { - /* Unaligned access */ - bcm43xx_shm_control_word(dev, routing, offset >> 2); - mmiowb(); - bcm43xx_write16(dev, BCM43xx_MMIO_SHM_DATA_UNALIGNED, - (value >> 16) & 0xffff); - mmiowb(); - bcm43xx_shm_control_word(dev, routing, (offset >> 2) + 1); - mmiowb(); - bcm43xx_write16(dev, BCM43xx_MMIO_SHM_DATA, - value & 0xffff); - return; - } - offset >>= 2; - } - bcm43xx_shm_control_word(dev, routing, offset); - mmiowb(); - bcm43xx_write32(dev, BCM43xx_MMIO_SHM_DATA, value); -} - -void bcm43xx_shm_write16(struct bcm43xx_wldev *dev, - u16 routing, u16 offset, - u16 value) -{ - if (routing == BCM43xx_SHM_SHARED) { - assert((offset & 0x0001) == 0); - if (offset & 0x0003) { - /* Unaligned access */ - bcm43xx_shm_control_word(dev, routing, offset >> 2); - mmiowb(); - bcm43xx_write16(dev, BCM43xx_MMIO_SHM_DATA_UNALIGNED, - value); - return; - } - offset >>= 2; - } - bcm43xx_shm_control_word(dev, routing, offset); - mmiowb(); - bcm43xx_write16(dev, BCM43xx_MMIO_SHM_DATA, value); -} - -/* Read HostFlags */ -u32 bcm43xx_hf_read(struct bcm43xx_wldev *dev) -{ - u32 ret; - - ret = bcm43xx_shm_read16(dev, BCM43xx_SHM_SHARED, - BCM43xx_SHM_SH_HOSTFHI); - ret <<= 16; - ret |= bcm43xx_shm_read16(dev, BCM43xx_SHM_SHARED, - BCM43xx_SHM_SH_HOSTFLO); - - return ret; -} - -/* Write HostFlags */ -void bcm43xx_hf_write(struct bcm43xx_wldev *dev, u32 value) -{ - bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, - BCM43xx_SHM_SH_HOSTFLO, - (value & 0x0000FFFF)); - bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, - BCM43xx_SHM_SH_HOSTFHI, - ((value & 0xFFFF0000) >> 16)); -} - -void bcm43xx_tsf_read(struct bcm43xx_wldev *dev, 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 (dev->dev->id.revision >= 3) { - u32 low, high, high2; - - do { - high = bcm43xx_read32(dev, BCM43xx_MMIO_REV3PLUS_TSF_HIGH); - low = bcm43xx_read32(dev, BCM43xx_MMIO_REV3PLUS_TSF_LOW); - high2 = bcm43xx_read32(dev, 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(dev, BCM43xx_MMIO_TSF_3); - v2 = bcm43xx_read16(dev, BCM43xx_MMIO_TSF_2); - v1 = bcm43xx_read16(dev, BCM43xx_MMIO_TSF_1); - v0 = bcm43xx_read16(dev, BCM43xx_MMIO_TSF_0); - - test3 = bcm43xx_read16(dev, BCM43xx_MMIO_TSF_3); - test2 = bcm43xx_read16(dev, BCM43xx_MMIO_TSF_2); - test1 = bcm43xx_read16(dev, 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; - } -} - -static void bcm43xx_time_lock(struct bcm43xx_wldev *dev) -{ - u32 status; - - status = bcm43xx_read32(dev, BCM43xx_MMIO_STATUS_BITFIELD); - status |= BCM43xx_SBF_TIME_UPDATE; - bcm43xx_write32(dev, BCM43xx_MMIO_STATUS_BITFIELD, status); - mmiowb(); -} - -static void bcm43xx_time_unlock(struct bcm43xx_wldev *dev) -{ - u32 status; - - status = bcm43xx_read32(dev, BCM43xx_MMIO_STATUS_BITFIELD); - status &= ~BCM43xx_SBF_TIME_UPDATE; - bcm43xx_write32(dev, BCM43xx_MMIO_STATUS_BITFIELD, status); -} - -static void bcm43xx_tsf_write_locked(struct bcm43xx_wldev *dev, u64 tsf) -{ - /* 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 (dev->dev->id.revision >= 3) { - u32 lo = (tsf & 0x00000000FFFFFFFFULL); - u32 hi = (tsf & 0xFFFFFFFF00000000ULL) >> 32; - - bcm43xx_write32(dev, BCM43xx_MMIO_REV3PLUS_TSF_LOW, 0); - mmiowb(); - bcm43xx_write32(dev, BCM43xx_MMIO_REV3PLUS_TSF_HIGH, hi); - mmiowb(); - bcm43xx_write32(dev, 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(dev, BCM43xx_MMIO_TSF_0, 0); - mmiowb(); - bcm43xx_write16(dev, BCM43xx_MMIO_TSF_3, v3); - mmiowb(); - bcm43xx_write16(dev, BCM43xx_MMIO_TSF_2, v2); - mmiowb(); - bcm43xx_write16(dev, BCM43xx_MMIO_TSF_1, v1); - mmiowb(); - bcm43xx_write16(dev, BCM43xx_MMIO_TSF_0, v0); - } -} - -void bcm43xx_tsf_write(struct bcm43xx_wldev *dev, u64 tsf) -{ - bcm43xx_time_lock(dev); - bcm43xx_tsf_write_locked(dev, tsf); - bcm43xx_time_unlock(dev); -} - -static -void bcm43xx_macfilter_set(struct bcm43xx_wldev *dev, - u16 offset, - const u8 *mac) -{ - static const u8 zero_addr[ETH_ALEN] = { 0 }; - u16 data; - - if (!mac) - mac = zero_addr; - - offset |= 0x0020; - bcm43xx_write16(dev, BCM43xx_MMIO_MACFILTER_CONTROL, offset); - - data = mac[0]; - data |= mac[1] << 8; - bcm43xx_write16(dev, BCM43xx_MMIO_MACFILTER_DATA, data); - data = mac[2]; - data |= mac[3] << 8; - bcm43xx_write16(dev, BCM43xx_MMIO_MACFILTER_DATA, data); - data = mac[4]; - data |= mac[5] << 8; - bcm43xx_write16(dev, BCM43xx_MMIO_MACFILTER_DATA, data); -} - -static void bcm43xx_write_mac_bssid_templates(struct bcm43xx_wldev *dev) -{ - static const u8 zero_addr[ETH_ALEN] = { 0 }; - const u8 *mac; - const u8 *bssid; - u8 mac_bssid[ETH_ALEN * 2]; - int i; - u32 tmp; - - bssid = dev->wl->bssid; - if (!bssid) - bssid = zero_addr; - mac = dev->wl->mac_addr; - if (!mac) - mac = zero_addr; - - bcm43xx_macfilter_set(dev, BCM43xx_MACFILTER_BSSID, bssid); - - 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)) { - tmp = (u32)(mac_bssid[i + 0]); - tmp |= (u32)(mac_bssid[i + 1]) << 8; - tmp |= (u32)(mac_bssid[i + 2]) << 16; - tmp |= (u32)(mac_bssid[i + 3]) << 24; - bcm43xx_ram_write(dev, 0x20 + i, tmp); - } -} - -static void bcm43xx_upload_card_macaddress(struct bcm43xx_wldev *dev, - const u8 *mac_addr) -{ - dev->wl->mac_addr = mac_addr; - bcm43xx_write_mac_bssid_templates(dev); - bcm43xx_macfilter_set(dev, BCM43xx_MACFILTER_SELF, mac_addr); -} - -static void bcm43xx_set_slot_time(struct bcm43xx_wldev *dev, u16 slot_time) -{ - /* slot_time is in usec. */ - if (dev->phy.type != BCM43xx_PHYTYPE_G) - return; - bcm43xx_write16(dev, 0x684, 510 + slot_time); - bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, 0x0010, slot_time); -} - -static void bcm43xx_short_slot_timing_enable(struct bcm43xx_wldev *dev) -{ - bcm43xx_set_slot_time(dev, 9); - dev->short_slot = 1; -} - -static void bcm43xx_short_slot_timing_disable(struct bcm43xx_wldev *dev) -{ - bcm43xx_set_slot_time(dev, 20); - dev->short_slot = 0; -} - -/* 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_wldev *dev, u32 mask) -{ - u32 old_mask; - - old_mask = bcm43xx_read32(dev, BCM43xx_MMIO_GEN_IRQ_MASK); - bcm43xx_write32(dev, 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_wldev *dev, u32 mask) -{ - u32 old_mask; - - old_mask = bcm43xx_read32(dev, BCM43xx_MMIO_GEN_IRQ_MASK); - bcm43xx_write32(dev, 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_wldev *dev) -{ - synchronize_irq(dev->dev->irq); - tasklet_kill(&dev->isr_tasklet); -} - -/* DummyTransmission function, as documented on - * http://bcm-specs.sipsolutions.net/DummyTransmission - */ -void bcm43xx_dummy_transmission(struct bcm43xx_wldev *dev) -{ - struct bcm43xx_phy *phy = &dev->phy; - unsigned int i, max_loop; - u16 value; - u32 buffer[5] = { - 0x00000000, - 0x00D40000, - 0x00000000, - 0x01000000, - 0x00000000, - }; - - switch (phy->type) { - case BCM43xx_PHYTYPE_A: - max_loop = 0x1E; - buffer[0] = 0x000201CC; - break; - case BCM43xx_PHYTYPE_B: - case BCM43xx_PHYTYPE_G: - max_loop = 0xFA; - buffer[0] = 0x000B846E; - break; - default: - assert(0); - return; - } - - for (i = 0; i < 5; i++) - bcm43xx_ram_write(dev, i * 4, buffer[i]); - - bcm43xx_read32(dev, BCM43xx_MMIO_STATUS_BITFIELD); /* dummy read */ - - bcm43xx_write16(dev, 0x0568, 0x0000); - bcm43xx_write16(dev, 0x07C0, 0x0000); - value = ((phy->type == BCM43xx_PHYTYPE_A) ? 1 : 0); - bcm43xx_write16(dev, 0x050C, value); - bcm43xx_write16(dev, 0x0508, 0x0000); - bcm43xx_write16(dev, 0x050A, 0x0000); - bcm43xx_write16(dev, 0x054C, 0x0000); - bcm43xx_write16(dev, 0x056A, 0x0014); - bcm43xx_write16(dev, 0x0568, 0x0826); - bcm43xx_write16(dev, 0x0500, 0x0000); - bcm43xx_write16(dev, 0x0502, 0x0030); - - if (phy->radio_ver == 0x2050 && phy->radio_rev <= 0x5) - bcm43xx_radio_write16(dev, 0x0051, 0x0017); - for (i = 0x00; i < max_loop; i++) { - value = bcm43xx_read16(dev, 0x050E); - if (value & 0x0080) - break; - udelay(10); - } - for (i = 0x00; i < 0x0A; i++) { - value = bcm43xx_read16(dev, 0x050E); - if (value & 0x0400) - break; - udelay(10); - } - for (i = 0x00; i < 0x0A; i++) { - value = bcm43xx_read16(dev, 0x0690); - if (!(value & 0x0100)) - break; - udelay(10); - } - if (phy->radio_ver == 0x2050 && phy->radio_rev <= 0x5) - bcm43xx_radio_write16(dev, 0x0051, 0x0037); -} - -static void key_write(struct bcm43xx_wldev *dev, - u8 index, u8 algorithm, const u8 *key) -{ - unsigned int i; - u32 offset; - u16 value; - u16 kidx; - - /* Key index/algo block */ - kidx = bcm43xx_kidx_to_fw(dev, index); - value = ((kidx << 4) | algorithm); - bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, - BCM43xx_SHM_SH_KEYIDXBLOCK + - (kidx * 2), value); - - /* Write the key to the Key Table Pointer offset */ - offset = dev->ktp + (index * BCM43xx_SEC_KEYSIZE); - for (i = 0; i < BCM43xx_SEC_KEYSIZE; i += 2) { - value = key[i]; - value |= (u16)(key[i + 1]) << 8; - bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, - offset + i, value); - } -} - -static void keymac_write(struct bcm43xx_wldev *dev, - u8 index, const u8 *addr) -{ - u32 addrtmp[2]; - - assert(index >= 4 + 4); - memcpy(dev->key[index].address, addr, 6); - /* We have two default TX keys and two default RX keys. - * Physical mac 0 is mapped to physical key 8. - * So we must adjust the index here. - */ - index -= 8; - - addrtmp[0] = addr[0]; - addrtmp[0] |= ((u32)(addr[1]) << 8); - addrtmp[0] |= ((u32)(addr[2]) << 16); - addrtmp[0] |= ((u32)(addr[3]) << 24); - addrtmp[1] = addr[4]; - addrtmp[1] |= ((u32)(addr[5]) << 8); - - if (dev->dev->id.revision >= 5) { - /* Receive match transmitter address mechanism */ - bcm43xx_shm_write32(dev, BCM43xx_SHM_RCMTA, - (index * 2) + 0, addrtmp[0]); - bcm43xx_shm_write16(dev, BCM43xx_SHM_RCMTA, - (index * 2) + 1, addrtmp[1]); - } else { - /* RXE (Receive Engine) and - * PSM (Programmable State Machine) mechanism - */ - if (index < 8) { - /* TODO write to RCM 16, 19, 22 and 25 */ - TODO(); - } else { - bcm43xx_shm_write32(dev, BCM43xx_SHM_SHARED, - BCM43xx_SHM_SH_PSM + (index * 6) + 0, - addrtmp[0]); - bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, - BCM43xx_SHM_SH_PSM + (index * 6) + 4, - addrtmp[1]); - } - } -} - -static void do_key_write(struct bcm43xx_wldev *dev, - u8 index, u8 algorithm, - const u8 *key, size_t key_len, - const u8 *mac_addr) -{ - u8 buf[BCM43xx_SEC_KEYSIZE]; - - assert(index < dev->max_nr_keys); - assert(key_len <= BCM43xx_SEC_KEYSIZE); - - memset(buf, 0, sizeof(buf)); - if (index >= 8) - keymac_write(dev, index, buf); /* First zero out mac. */ - memcpy(buf, key, key_len); - key_write(dev, index, algorithm, buf); - if (index >= 8) - keymac_write(dev, index, mac_addr); - - dev->key[index].algorithm = algorithm; -} - -static int bcm43xx_key_write(struct bcm43xx_wldev *dev, - int index, u8 algorithm, - const u8 *key, size_t key_len, - const u8 *mac_addr, - struct ieee80211_key_conf *keyconf) -{ - int i; - int sta_keys_start; - - if (key_len > BCM43xx_SEC_KEYSIZE) - return -EINVAL; - if (index < 0) { - /* Per station key with associated MAC address. - * Look if it already exists, if yes update, otherwise - * allocate a new key. - */ - if (bcm43xx_new_kidx_api(dev)) - sta_keys_start = 4; - else - sta_keys_start = 8; - for (i = sta_keys_start; i < dev->max_nr_keys; i++) { - if (compare_ether_addr(dev->key[i].address, mac_addr) == 0) { - /* found existing */ - index = i; - break; - } - } - if (index < 0) { - for (i = sta_keys_start; i < dev->max_nr_keys; i++) { - if (!dev->key[i].enabled) { - /* found empty */ - index = i; - break; - } - } - } - if (index < 0) { - dprintk(KERN_ERR PFX "Out of hw key memory\n"); - return -ENOBUFS; - } - } else - assert(index <= 3); - - do_key_write(dev, index, algorithm, key, key_len, mac_addr); - if ((index <= 3) && !bcm43xx_new_kidx_api(dev)) { - /* Default RX key */ - assert(mac_addr == NULL); - do_key_write(dev, index + 4, algorithm, key, key_len, NULL); - } - keyconf->hw_key_idx = index; - - return 0; -} - -static void bcm43xx_clear_keys(struct bcm43xx_wldev *dev) -{ - static const u8 zero[BCM43xx_SEC_KEYSIZE] = { 0 }; - unsigned int i; - - BUILD_BUG_ON(BCM43xx_SEC_KEYSIZE < ETH_ALEN); - for (i = 0; i < dev->max_nr_keys; i++) { - do_key_write(dev, i, BCM43xx_SEC_ALGO_NONE, - zero, BCM43xx_SEC_KEYSIZE, - zero); - dev->key[i].enabled = 0; - } -} - -/* Turn the Analog ON/OFF */ -static void bcm43xx_switch_analog(struct bcm43xx_wldev *dev, int on) -{ - bcm43xx_write16(dev, BCM43xx_MMIO_PHY0, on ? 0 : 0xF4); -} - -void bcm43xx_wireless_core_reset(struct bcm43xx_wldev *dev, u32 flags) -{ - u32 tmslow; - u32 macctl; - - flags |= BCM43xx_TMSLOW_PHYCLKEN; - flags |= BCM43xx_TMSLOW_PHYRESET; - ssb_device_enable(dev->dev, flags); - msleep(2); /* Wait for the PLL to turn on. */ - - /* Now take the PHY out of Reset again */ - tmslow = ssb_read32(dev->dev, SSB_TMSLOW); - tmslow |= SSB_TMSLOW_FGC; - tmslow &= ~BCM43xx_TMSLOW_PHYRESET; - ssb_write32(dev->dev, SSB_TMSLOW, tmslow); - ssb_read32(dev->dev, SSB_TMSLOW); /* flush */ - msleep(1); - tmslow &= ~SSB_TMSLOW_FGC; - ssb_write32(dev->dev, SSB_TMSLOW, tmslow); - ssb_read32(dev->dev, SSB_TMSLOW); /* flush */ - msleep(1); - - /* Turn Analog ON */ - bcm43xx_switch_analog(dev, 1); - - macctl = bcm43xx_read32(dev, BCM43xx_MMIO_MACCTL); - macctl &= ~BCM43xx_MACCTL_GMODE; - if (flags & BCM43xx_TMSLOW_GMODE) - macctl |= BCM43xx_MACCTL_GMODE; - macctl |= BCM43xx_MACCTL_IHR_ENABLED; - bcm43xx_write32(dev, BCM43xx_MMIO_MACCTL, macctl); -} - -static void handle_irq_transmit_status(struct bcm43xx_wldev *dev) -{ - u32 v0, v1; - u16 tmp; - struct bcm43xx_txstatus stat; - - while (1) { - v0 = bcm43xx_read32(dev, BCM43xx_MMIO_XMITSTAT_0); - if (!(v0 & 0x00000001)) - break; - v1 = bcm43xx_read32(dev, BCM43xx_MMIO_XMITSTAT_1); - - stat.cookie = (v0 >> 16); - stat.seq = (v1 & 0x0000FFFF); - stat.phy_stat = ((v1 & 0x00FF0000) >> 16); - tmp = (v0 & 0x0000FFFF); - stat.frame_count = ((tmp & 0xF000) >> 12); - stat.rts_count = ((tmp & 0x0F00) >> 8); - stat.supp_reason = ((tmp & 0x001C) >> 2); - stat.pm_indicated = !!(tmp & 0x0080); - stat.intermediate = !!(tmp & 0x0040); - stat.for_ampdu = !!(tmp & 0x0020); - stat.acked = !!(tmp & 0x0002); - - bcm43xx_handle_txstatus(dev, &stat); - } -} - -static void drain_txstatus_queue(struct bcm43xx_wldev *dev) -{ - u32 dummy; - - if (dev->dev->id.revision < 5) - return; - /* Read all entries from the microcode TXstatus FIFO - * and throw them away. - */ - while (1) { - dummy = bcm43xx_read32(dev, BCM43xx_MMIO_XMITSTAT_0); - if (!(dummy & 0x00000001)) - break; - dummy = bcm43xx_read32(dev, BCM43xx_MMIO_XMITSTAT_1); - } -} - -static u32 bcm43xx_jssi_read(struct bcm43xx_wldev *dev) -{ - u32 val = 0; - - val = bcm43xx_shm_read16(dev, BCM43xx_SHM_SHARED, 0x08A); - val <<= 16; - val |= bcm43xx_shm_read16(dev, BCM43xx_SHM_SHARED, 0x088); - - return val; -} - -static void bcm43xx_jssi_write(struct bcm43xx_wldev *dev, u32 jssi) -{ - bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, 0x088, - (jssi & 0x0000FFFF)); - bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, 0x08A, - (jssi & 0xFFFF0000) >> 16); -} - -static void bcm43xx_generate_noise_sample(struct bcm43xx_wldev *dev) -{ - bcm43xx_jssi_write(dev, 0x7F7F7F7F); - bcm43xx_write32(dev, BCM43xx_MMIO_STATUS2_BITFIELD, - bcm43xx_read32(dev, BCM43xx_MMIO_STATUS2_BITFIELD) - | (1 << 4)); - assert(dev->noisecalc.channel_at_start == dev->phy.channel); -} - -static void bcm43xx_calculate_link_quality(struct bcm43xx_wldev *dev) -{ - /* Top half of Link Quality calculation. */ - - if (dev->noisecalc.calculation_running) - return; - dev->noisecalc.channel_at_start = dev->phy.channel; - dev->noisecalc.calculation_running = 1; - dev->noisecalc.nr_samples = 0; - - bcm43xx_generate_noise_sample(dev); -} - -static void handle_irq_noise(struct bcm43xx_wldev *dev) -{ - struct bcm43xx_phy *phy = &dev->phy; - u16 tmp; - u8 noise[4]; - u8 i, j; - s32 average; - - /* Bottom half of Link Quality calculation. */ - - assert(dev->noisecalc.calculation_running); - if (dev->noisecalc.channel_at_start != phy->channel) - goto drop_calculation; - *((u32 *)noise) = cpu_to_le32(bcm43xx_jssi_read(dev)); - if (noise[0] == 0x7F || noise[1] == 0x7F || - noise[2] == 0x7F || noise[3] == 0x7F) - goto generate_new; - - /* Get the noise samples. */ - assert(dev->noisecalc.nr_samples < 8); - i = dev->noisecalc.nr_samples; - noise[0] = limit_value(noise[0], 0, ARRAY_SIZE(phy->nrssi_lt) - 1); - noise[1] = limit_value(noise[1], 0, ARRAY_SIZE(phy->nrssi_lt) - 1); - noise[2] = limit_value(noise[2], 0, ARRAY_SIZE(phy->nrssi_lt) - 1); - noise[3] = limit_value(noise[3], 0, ARRAY_SIZE(phy->nrssi_lt) - 1); - dev->noisecalc.samples[i][0] = phy->nrssi_lt[noise[0]]; - dev->noisecalc.samples[i][1] = phy->nrssi_lt[noise[1]]; - dev->noisecalc.samples[i][2] = phy->nrssi_lt[noise[2]]; - dev->noisecalc.samples[i][3] = phy->nrssi_lt[noise[3]]; - dev->noisecalc.nr_samples++; - if (dev->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 += dev->noisecalc.samples[i][j]; - } - average /= (8 * 4); - average *= 125; - average += 64; - average /= 128; - tmp = bcm43xx_shm_read16(dev, BCM43xx_SHM_SHARED, 0x40C); - tmp = (tmp / 128) & 0x1F; - if (tmp >= 8) - average += 2; - else - average -= 25; - if (tmp == 8) - average -= 72; - else - average -= 48; - - dev->stats.link_noise = average; -drop_calculation: - dev->noisecalc.calculation_running = 0; - return; - } -generate_new: - bcm43xx_generate_noise_sample(dev); -} - -static void handle_irq_tbtt_indication(struct bcm43xx_wldev *dev) -{ - if (bcm43xx_is_mode(dev->wl, IEEE80211_IF_TYPE_AP)) { - ///TODO: PS TBTT - } else { - if (1/*FIXME: the last PSpoll frame was sent successfully */) - bcm43xx_power_saving_ctl_bits(dev, -1, -1); - } - dev->reg124_set_0x4 = 0; - if (bcm43xx_is_mode(dev->wl, IEEE80211_IF_TYPE_IBSS)) - dev->reg124_set_0x4 = 1; -} - -static void handle_irq_atim_end(struct bcm43xx_wldev *dev) -{ - if (!dev->reg124_set_0x4 /*FIXME rename this variable*/) - return; - bcm43xx_write32(dev, BCM43xx_MMIO_STATUS2_BITFIELD, - bcm43xx_read32(dev, BCM43xx_MMIO_STATUS2_BITFIELD) - | 0x4); -} - -static void handle_irq_pmq(struct bcm43xx_wldev *dev) -{ - u32 tmp; - - //TODO: AP mode. - - while (1) { - tmp = bcm43xx_read32(dev, BCM43xx_MMIO_PS_STATUS); - if (!(tmp & 0x00000008)) - break; - } - /* 16bit write is odd, but correct. */ - bcm43xx_write16(dev, BCM43xx_MMIO_PS_STATUS, 0x0002); -} - -static void bcm43xx_write_template_common(struct bcm43xx_wldev *dev, - const u8* data, u16 size, - u16 ram_offset, - u16 shm_size_offset, u8 rate) -{ - u32 i, tmp; - struct bcm43xx_plcp_hdr4 plcp; - - plcp.data = 0; - bcm43xx_generate_plcp_hdr(&plcp, size + FCS_LEN, rate); - bcm43xx_ram_write(dev, ram_offset, le32_to_cpu(plcp.data)); - ram_offset += sizeof(u32); - /* The PLCP is 6 bytes long, but we only wrote 4 bytes, yet. - * So leave the first two bytes of the next write blank. - */ - tmp = (u32)(data[0]) << 16; - tmp |= (u32)(data[1]) << 24; - bcm43xx_ram_write(dev, ram_offset, tmp); - ram_offset += sizeof(u32); - for (i = 2; i < size; i += sizeof(u32)) { - tmp = (u32)(data[i + 0]); - if (i + 1 < size) - tmp |= (u32)(data[i + 1]) << 8; - if (i + 2 < size) - tmp |= (u32)(data[i + 2]) << 16; - if (i + 3 < size) - tmp |= (u32)(data[i + 3]) << 24; - bcm43xx_ram_write(dev, ram_offset + i - 2, tmp); - } - bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, shm_size_offset, - size + sizeof(struct bcm43xx_plcp_hdr6)); -} - -static void bcm43xx_write_beacon_template(struct bcm43xx_wldev *dev, - u16 ram_offset, - u16 shm_size_offset, u8 rate) -{ - int len; - const u8 *data; - - assert(dev->cached_beacon); - len = min((size_t)dev->cached_beacon->len, - 0x200 - sizeof(struct bcm43xx_plcp_hdr6)); - data = (const u8 *)(dev->cached_beacon->data); - bcm43xx_write_template_common(dev, data, - len, ram_offset, - shm_size_offset, rate); -} - -static void bcm43xx_write_probe_resp_plcp(struct bcm43xx_wldev *dev, - u16 shm_offset, u16 size, u8 rate) -{ - struct bcm43xx_plcp_hdr4 plcp; - u32 tmp; - __le16 dur; - - plcp.data = 0; - bcm43xx_generate_plcp_hdr(&plcp, size + FCS_LEN, rate); - dur = ieee80211_generic_frame_duration(dev->wl->hw, - size, - BCM43xx_RATE_TO_BASE100KBPS(rate)); - /* Write PLCP in two parts and timing for packet transfer */ - tmp = le32_to_cpu(plcp.data); - bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, shm_offset, - tmp & 0xFFFF); - bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, shm_offset + 2, - tmp >> 16); - bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, shm_offset + 6, - le16_to_cpu(dur)); -} - -/* Instead of using custom probe response template, this function - * just patches custom beacon template by: - * 1) Changing packet type - * 2) Patching duration field - * 3) Stripping TIM - */ -static u8 * bcm43xx_generate_probe_resp(struct bcm43xx_wldev *dev, - u16* dest_size, u8 rate) -{ - const u8 *src_data; - u8 *dest_data; - u16 src_size, elem_size, src_pos, dest_pos; - __le16 dur; - struct ieee80211_hdr *hdr; - - assert(dev->cached_beacon); - src_size = dev->cached_beacon->len; - src_data = (const u8*)dev->cached_beacon->data; - - if (unlikely(src_size < 0x24)) { - dprintk(KERN_ERR PFX "bcm43xx_generate_probe_resp: " - "invalid beacon\n"); - return NULL; - } - - dest_data = kmalloc(src_size, GFP_ATOMIC); - if (unlikely(!dest_data)) - return NULL; - - /* 0x24 is offset of first variable-len Information-Element - * in beacon frame. - */ - memcpy(dest_data, src_data, 0x24); - src_pos = dest_pos = 0x24; - for ( ; src_pos < src_size - 2; src_pos += elem_size) { - elem_size = src_data[src_pos + 1] + 2; - if (src_data[src_pos] != 0x05) { /* TIM */ - memcpy(dest_data + dest_pos, src_data + src_pos, - elem_size); - dest_pos += elem_size; - } - } - *dest_size = dest_pos; - hdr = (struct ieee80211_hdr *)dest_data; - - /* Set the frame control. */ - hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | - IEEE80211_STYPE_PROBE_RESP); - dur = ieee80211_generic_frame_duration(dev->wl->hw, - *dest_size, - BCM43xx_RATE_TO_BASE100KBPS(rate)); - hdr->duration_id = dur; - - return dest_data; -} - -static void bcm43xx_write_probe_resp_template(struct bcm43xx_wldev *dev, - u16 ram_offset, - u16 shm_size_offset, u8 rate) -{ - u8* probe_resp_data; - u16 size; - - assert(dev->cached_beacon); - size = dev->cached_beacon->len; - probe_resp_data = bcm43xx_generate_probe_resp(dev, &size, rate); - if (unlikely(!probe_resp_data)) - return; - - /* Looks like PLCP headers plus packet timings are stored for - * all possible basic rates - */ - bcm43xx_write_probe_resp_plcp(dev, 0x31A, size, - BCM43xx_CCK_RATE_1MB); - bcm43xx_write_probe_resp_plcp(dev, 0x32C, size, - BCM43xx_CCK_RATE_2MB); - bcm43xx_write_probe_resp_plcp(dev, 0x33E, size, - BCM43xx_CCK_RATE_5MB); - bcm43xx_write_probe_resp_plcp(dev, 0x350, size, - BCM43xx_CCK_RATE_11MB); - - size = min((size_t)size, - 0x200 - sizeof(struct bcm43xx_plcp_hdr6)); - bcm43xx_write_template_common(dev, probe_resp_data, - size, ram_offset, - shm_size_offset, rate); - kfree(probe_resp_data); -} - -static int bcm43xx_refresh_cached_beacon(struct bcm43xx_wldev *dev, - struct sk_buff *beacon) -{ - if (dev->cached_beacon) - kfree_skb(dev->cached_beacon); - dev->cached_beacon = beacon; - - return 0; -} - -static void bcm43xx_update_templates(struct bcm43xx_wldev *dev) -{ - u32 status; - - assert(dev->cached_beacon); - - bcm43xx_write_beacon_template(dev, 0x68, 0x18, - BCM43xx_CCK_RATE_1MB); - bcm43xx_write_beacon_template(dev, 0x468, 0x1A, - BCM43xx_CCK_RATE_1MB); - bcm43xx_write_probe_resp_template(dev, 0x268, 0x4A, - BCM43xx_CCK_RATE_11MB); - - status = bcm43xx_read32(dev, BCM43xx_MMIO_STATUS2_BITFIELD); - status |= 0x03; - bcm43xx_write32(dev, BCM43xx_MMIO_STATUS2_BITFIELD, status); -} - -static void bcm43xx_refresh_templates(struct bcm43xx_wldev *dev, - struct sk_buff *beacon) -{ - int err; - - err = bcm43xx_refresh_cached_beacon(dev, beacon); - if (unlikely(err)) - return; - bcm43xx_update_templates(dev); -} - -static void bcm43xx_set_ssid(struct bcm43xx_wldev *dev, - const u8 *ssid, u8 ssid_len) -{ - u32 tmp; - u16 i, len; - - len = min((u16)ssid_len, (u16)0x100); - for (i = 0; i < len; i += sizeof(u32)) { - tmp = (u32)(ssid[i + 0]); - if (i + 1 < len) - tmp |= (u32)(ssid[i + 1]) << 8; - if (i + 2 < len) - tmp |= (u32)(ssid[i + 2]) << 16; - if (i + 3 < len) - tmp |= (u32)(ssid[i + 3]) << 24; - bcm43xx_shm_write32(dev, BCM43xx_SHM_SHARED, - 0x380 + i, tmp); - } - bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, - 0x48, len); -} - -static void bcm43xx_set_beacon_int(struct bcm43xx_wldev *dev, u16 beacon_int) -{ - bcm43xx_time_lock(dev); - if (dev->dev->id.revision >= 3) { - bcm43xx_write32(dev, 0x188, (beacon_int << 16)); - } else { - bcm43xx_write16(dev, 0x606, (beacon_int >> 6)); - bcm43xx_write16(dev, 0x610, beacon_int); - } - bcm43xx_time_unlock(dev); -} - -static void handle_irq_beacon(struct bcm43xx_wldev *dev) -{ - u32 status; - - if (!bcm43xx_is_mode(dev->wl, IEEE80211_IF_TYPE_AP)) - return; - - dev->irq_savedstate &= ~BCM43xx_IRQ_BEACON; - status = bcm43xx_read32(dev, BCM43xx_MMIO_STATUS2_BITFIELD); - - if (!dev->cached_beacon || ((status & 0x1) && (status & 0x2))) { - /* ACK beacon IRQ. */ - bcm43xx_write32(dev, BCM43xx_MMIO_GEN_IRQ_REASON, - BCM43xx_IRQ_BEACON); - dev->irq_savedstate |= BCM43xx_IRQ_BEACON; - if (dev->cached_beacon) - kfree_skb(dev->cached_beacon); - dev->cached_beacon = NULL; - return; - } - if (!(status & 0x1)) { - bcm43xx_write_beacon_template(dev, 0x68, 0x18, - BCM43xx_CCK_RATE_1MB); - status |= 0x1; - bcm43xx_write32(dev, BCM43xx_MMIO_STATUS2_BITFIELD, - status); - } - if (!(status & 0x2)) { - bcm43xx_write_beacon_template(dev, 0x468, 0x1A, - BCM43xx_CCK_RATE_1MB); - status |= 0x2; - bcm43xx_write32(dev, BCM43xx_MMIO_STATUS2_BITFIELD, - status); - } -} - -static void handle_irq_ucode_debug(struct bcm43xx_wldev *dev) -{ - //TODO -} - -/* Interrupt handler bottom-half */ -static void bcm43xx_interrupt_tasklet(struct bcm43xx_wldev *dev) -{ - u32 reason; - u32 dma_reason[ARRAY_SIZE(dev->dma_reason)]; - u32 merged_dma_reason = 0; - int i, activity = 0; - unsigned long flags; - - spin_lock_irqsave(&dev->wl->irq_lock, flags); - - assert(bcm43xx_status(dev) == BCM43xx_STAT_INITIALIZED); - assert(dev->started); - - reason = dev->irq_reason; - for (i = 0; i < ARRAY_SIZE(dma_reason); i++) { - dma_reason[i] = dev->dma_reason[i]; - merged_dma_reason |= dma_reason[i]; - } - - if (unlikely(reason & BCM43xx_IRQ_MAC_TXERR)) - printkl(KERN_ERR PFX "MAC transmission error\n"); - - if (unlikely(reason & BCM43xx_IRQ_PHY_TXERR)) - printkl(KERN_ERR PFX "PHY transmission error\n"); - - if (unlikely(merged_dma_reason & (BCM43xx_DMAIRQ_FATALMASK | - BCM43xx_DMAIRQ_NONFATALMASK))) { - if (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(dev, "DMA error"); - mmiowb(); - spin_unlock_irqrestore(&dev->wl->irq_lock, flags); - return; - } - if (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 (unlikely(reason & BCM43xx_IRQ_UCODE_DEBUG)) - handle_irq_ucode_debug(dev); - if (reason & BCM43xx_IRQ_TBTT_INDI) - handle_irq_tbtt_indication(dev); - if (reason & BCM43xx_IRQ_ATIM_END) - handle_irq_atim_end(dev); - if (reason & BCM43xx_IRQ_BEACON) - handle_irq_beacon(dev); - if (reason & BCM43xx_IRQ_PMQ) - handle_irq_pmq(dev); - if (reason & BCM43xx_IRQ_TXFIFO_FLUSH_OK) - ;/*TODO*/ - if (reason & BCM43xx_IRQ_NOISESAMPLE_OK) - handle_irq_noise(dev); - - /* Check the DMA reason registers for received data. */ - if (dma_reason[0] & BCM43xx_DMAIRQ_RX_DONE) { - if (bcm43xx_using_pio(dev)) - bcm43xx_pio_rx(dev->pio.queue0); - else - bcm43xx_dma_rx(dev->dma.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(dev)) - bcm43xx_pio_rx(dev->pio.queue3); - else - bcm43xx_dma_rx(dev->dma.rx_ring3); - activity = 1; - } - assert(!(dma_reason[4] & BCM43xx_DMAIRQ_RX_DONE)); - assert(!(dma_reason[5] & BCM43xx_DMAIRQ_RX_DONE)); - - if (reason & BCM43xx_IRQ_TX_OK) { - handle_irq_transmit_status(dev); - activity = 1; - //TODO: In AP mode, this also causes sending of powersave responses. - } - - if (!modparam_noleds) - bcm43xx_leds_update(dev, activity); - bcm43xx_interrupt_enable(dev, dev->irq_savedstate); - mmiowb(); - spin_unlock_irqrestore(&dev->wl->irq_lock, flags); -} - -static void pio_irq_workaround(struct bcm43xx_wldev *dev, - u16 base, int queueidx) -{ - u16 rxctl; - - rxctl = bcm43xx_read16(dev, base + BCM43xx_PIO_RXCTL); - if (rxctl & BCM43xx_PIO_RXCTL_DATAAVAILABLE) - dev->dma_reason[queueidx] |= BCM43xx_DMAIRQ_RX_DONE; - else - dev->dma_reason[queueidx] &= ~BCM43xx_DMAIRQ_RX_DONE; -} - -static void bcm43xx_interrupt_ack(struct bcm43xx_wldev *dev, u32 reason) -{ - if (bcm43xx_using_pio(dev) && - (dev->dev->id.revision < 3) && - (!(reason & BCM43xx_IRQ_PIO_WORKAROUND))) { - /* Apply a PIO specific workaround to the dma_reasons */ - pio_irq_workaround(dev, BCM43xx_MMIO_PIO1_BASE, 0); - pio_irq_workaround(dev, BCM43xx_MMIO_PIO2_BASE, 1); - pio_irq_workaround(dev, BCM43xx_MMIO_PIO3_BASE, 2); - pio_irq_workaround(dev, BCM43xx_MMIO_PIO4_BASE, 3); - } - - bcm43xx_write32(dev, BCM43xx_MMIO_GEN_IRQ_REASON, reason); - - bcm43xx_write32(dev, BCM43xx_MMIO_DMA0_REASON, - dev->dma_reason[0]); - bcm43xx_write32(dev, BCM43xx_MMIO_DMA1_REASON, - dev->dma_reason[1]); - bcm43xx_write32(dev, BCM43xx_MMIO_DMA2_REASON, - dev->dma_reason[2]); - bcm43xx_write32(dev, BCM43xx_MMIO_DMA3_REASON, - dev->dma_reason[3]); - bcm43xx_write32(dev, BCM43xx_MMIO_DMA4_REASON, - dev->dma_reason[4]); - bcm43xx_write32(dev, BCM43xx_MMIO_DMA5_REASON, - dev->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_wldev *dev = dev_id; - u32 reason; - - if (!dev) - return IRQ_NONE; - - spin_lock(&dev->wl->irq_lock); - - reason = bcm43xx_read32(dev, BCM43xx_MMIO_GEN_IRQ_REASON); - if (reason == 0xffffffff) { - /* irq not for us (shared irq) */ - ret = IRQ_NONE; - goto out; - } - reason &= bcm43xx_read32(dev, BCM43xx_MMIO_GEN_IRQ_MASK); - if (!reason) - goto out; - - assert(bcm43xx_status(dev) == BCM43xx_STAT_INITIALIZED); - assert(dev->started); - - dev->dma_reason[0] = bcm43xx_read32(dev, BCM43xx_MMIO_DMA0_REASON) - & 0x0001DC00; - dev->dma_reason[1] = bcm43xx_read32(dev, BCM43xx_MMIO_DMA1_REASON) - & 0x0000DC00; - dev->dma_reason[2] = bcm43xx_read32(dev, BCM43xx_MMIO_DMA2_REASON) - & 0x0000DC00; - dev->dma_reason[3] = bcm43xx_read32(dev, BCM43xx_MMIO_DMA3_REASON) - & 0x0001DC00; - dev->dma_reason[4] = bcm43xx_read32(dev, BCM43xx_MMIO_DMA4_REASON) - & 0x0000DC00; - dev->dma_reason[5] = bcm43xx_read32(dev, BCM43xx_MMIO_DMA5_REASON) - & 0x0000DC00; - - bcm43xx_interrupt_ack(dev, reason); - /* disable all IRQs. They are enabled again in the bottom half. */ - dev->irq_savedstate = bcm43xx_interrupt_disable(dev, BCM43xx_IRQ_ALL); - /* save the reason code and call our bottom half. */ - dev->irq_reason = reason; - tasklet_schedule(&dev->isr_tasklet); -out: - mmiowb(); - spin_unlock(&dev->wl->irq_lock); - - return ret; -} - -static void bcm43xx_release_firmware(struct bcm43xx_wldev *dev) -{ - release_firmware(dev->fw.ucode); - dev->fw.ucode = NULL; - release_firmware(dev->fw.pcm); - dev->fw.pcm = NULL; - release_firmware(dev->fw.initvals0); - dev->fw.initvals0 = NULL; - release_firmware(dev->fw.initvals1); - dev->fw.initvals1 = NULL; -} - -static int bcm43xx_request_firmware(struct bcm43xx_wldev *dev) -{ - u8 rev = dev->dev->id.revision; - int err = 0; - int nr; - char buf[22 + sizeof(modparam_fwpostfix) - 1] = { 0 }; - - if (!dev->fw.ucode) { - snprintf(buf, ARRAY_SIZE(buf), "bcm43xx_microcode%d%s.fw", - (rev >= 5 ? 5 : rev), - modparam_fwpostfix); - err = request_firmware(&dev->fw.ucode, buf, dev->dev->dev); - if (err) { - printk(KERN_ERR PFX - "Error: Microcode \"%s\" not available or load failed.\n", - buf); - goto error; - } - } - - if (!dev->fw.pcm) { - snprintf(buf, ARRAY_SIZE(buf), - "bcm43xx_pcm%d%s.fw", - (rev < 5 ? 4 : 5), - modparam_fwpostfix); - err = request_firmware(&dev->fw.pcm, buf, dev->dev->dev); - if (err) { - printk(KERN_ERR PFX - "Error: PCM \"%s\" not available or load failed.\n", - buf); - goto error; - } - } - - if (!dev->fw.initvals0) { - if (rev == 2 || rev == 4) { - switch (dev->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 (dev->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(&dev->fw.initvals0, buf, dev->dev->dev); - if (err) { - printk(KERN_ERR PFX - "Error: InitVals \"%s\" not available or load failed.\n", - buf); - goto error; - } - if (dev->fw.initvals0->size % sizeof(struct bcm43xx_initval)) { - printk(KERN_ERR PFX "InitVals fileformat error.\n"); - goto error; - } - } - - if (!dev->fw.initvals1) { - if (rev >= 5) { - u32 sbtmstatehigh; - - switch (dev->phy.type) { - case BCM43xx_PHYTYPE_A: - sbtmstatehigh = ssb_read32(dev->dev, SSB_TMSHIGH); - 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(&dev->fw.initvals1, buf, dev->dev->dev); - if (err) { - printk(KERN_ERR PFX - "Error: InitVals \"%s\" not available or load failed.\n", - buf); - goto error; - } - if (dev->fw.initvals1->size % sizeof(struct bcm43xx_initval)) { - printk(KERN_ERR PFX "InitVals fileformat error.\n"); - goto error; - } - } - } - -out: - return err; -error: - bcm43xx_release_firmware(dev); - goto out; -err_noinitval: - printk(KERN_ERR PFX "Error: No InitVals available!\n"); - err = -ENOENT; - goto error; -} - -static int bcm43xx_upload_microcode(struct bcm43xx_wldev *dev) -{ - const __be32 *data; - unsigned int i, len; - u16 fwrev, fwpatch, fwdate, fwtime; - u32 tmp; - int err = 0; - - /* Upload Microcode. */ - data = (__be32 *)(dev->fw.ucode->data); - len = dev->fw.ucode->size / sizeof(__be32); - bcm43xx_shm_control_word(dev, - BCM43xx_SHM_UCODE | BCM43xx_SHM_AUTOINC_W, - 0x0000); - for (i = 0; i < len; i++) { - bcm43xx_write32(dev, BCM43xx_MMIO_SHM_DATA, - be32_to_cpu(data[i])); - udelay(10); - } - - /* Upload PCM data. */ - data = (__be32 *)(dev->fw.pcm->data); - len = dev->fw.pcm->size / sizeof(__be32); - bcm43xx_shm_control_word(dev, BCM43xx_SHM_HW, 0x01EA); - bcm43xx_write32(dev, BCM43xx_MMIO_SHM_DATA, 0x00004000); - /* No need for autoinc bit in SHM_HW */ - bcm43xx_shm_control_word(dev, BCM43xx_SHM_HW, 0x01EB); - for (i = 0; i < len; i++) { - bcm43xx_write32(dev, BCM43xx_MMIO_SHM_DATA, - be32_to_cpu(data[i])); - udelay(10); - } - - bcm43xx_write32(dev, BCM43xx_MMIO_GEN_IRQ_REASON, BCM43xx_IRQ_ALL); - bcm43xx_write32(dev, BCM43xx_MMIO_STATUS_BITFIELD, 0x00020402); - - /* Wait for the microcode to load and respond */ - i = 0; - while (1) { - tmp = bcm43xx_read32(dev, BCM43xx_MMIO_GEN_IRQ_REASON); - if (tmp == BCM43xx_IRQ_MAC_SUSPENDED) - break; - i++; - if (i >= BCM43xx_IRQWAIT_MAX_RETRIES) { - printk(KERN_ERR PFX "Microcode not responding\n"); - err = -ENODEV; - goto out; - } - udelay(10); - } - bcm43xx_read32(dev, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */ - - /* Get and check the revisions. */ - fwrev = bcm43xx_shm_read16(dev, BCM43xx_SHM_SHARED, - BCM43xx_SHM_SH_UCODEREV); - fwpatch = bcm43xx_shm_read16(dev, BCM43xx_SHM_SHARED, - BCM43xx_SHM_SH_UCODEPATCH); - fwdate = bcm43xx_shm_read16(dev, BCM43xx_SHM_SHARED, - BCM43xx_SHM_SH_UCODEDATE); - fwtime = bcm43xx_shm_read16(dev, BCM43xx_SHM_SHARED, - BCM43xx_SHM_SH_UCODETIME); - - if (fwrev <= 0x128) { - printk(KERN_ERR PFX "YOUR FIRMWARE IS TOO OLD. Firmware from " - "binary drivers older than version 4.x is unsupported. " - "You must upgrade your firmware files.\n"); - bcm43xx_write32(dev, BCM43xx_MMIO_STATUS_BITFIELD, 0); - err = -EOPNOTSUPP; - goto out; - } - printk(KERN_DEBUG PFX "Loading firmware version %u.%u " - "(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n", - fwrev, fwpatch, - (fwdate >> 12) & 0xF, (fwdate >> 8) & 0xF, fwdate & 0xFF, - (fwtime >> 11) & 0x1F, (fwtime >> 5) & 0x3F, fwtime & 0x1F); - - dev->fw.rev = fwrev; - dev->fw.patch = fwpatch; - -out: - return err; -} - -static int bcm43xx_write_initvals(struct bcm43xx_wldev *dev, - 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(dev, offset, (u16)value); - } else if (size == 4) { - bcm43xx_write32(dev, 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_wldev *dev) -{ - int err; - - err = bcm43xx_write_initvals(dev, (struct bcm43xx_initval *)dev->fw.initvals0->data, - dev->fw.initvals0->size / sizeof(struct bcm43xx_initval)); - if (err) - goto out; - if (dev->fw.initvals1) { - err = bcm43xx_write_initvals(dev, (struct bcm43xx_initval *)dev->fw.initvals1->data, - dev->fw.initvals1->size / sizeof(struct bcm43xx_initval)); - if (err) - goto out; - } -out: - return err; -} - -/* Initialize the GPIOs - * http://bcm-specs.sipsolutions.net/GPIO - */ -static int bcm43xx_gpio_init(struct bcm43xx_wldev *dev) -{ - struct ssb_bus *bus = dev->dev->bus; - struct ssb_device *gpiodev, *pcidev = NULL; - u32 mask, set; - - bcm43xx_write32(dev, BCM43xx_MMIO_STATUS_BITFIELD, - bcm43xx_read32(dev, BCM43xx_MMIO_STATUS_BITFIELD) - & 0xFFFF3FFF); - - bcm43xx_leds_switch_all(dev, 0); - bcm43xx_write16(dev, BCM43xx_MMIO_GPIO_MASK, - bcm43xx_read16(dev, BCM43xx_MMIO_GPIO_MASK) - | 0x000F); - - mask = 0x0000001F; - set = 0x0000000F; - if (dev->dev->bus->chip_id == 0x4301) { - mask |= 0x0060; - set |= 0x0060; - } - if (0 /* FIXME: conditional unknown */) { - bcm43xx_write16(dev, BCM43xx_MMIO_GPIO_MASK, - bcm43xx_read16(dev, BCM43xx_MMIO_GPIO_MASK) - | 0x0100); - mask |= 0x0180; - set |= 0x0180; - } - if (dev->dev->bus->sprom.r1.boardflags_lo & BCM43xx_BFL_PACTRL) { - bcm43xx_write16(dev, BCM43xx_MMIO_GPIO_MASK, - bcm43xx_read16(dev, BCM43xx_MMIO_GPIO_MASK) - | 0x0200); - mask |= 0x0200; - set |= 0x0200; - } - if (dev->dev->id.revision >= 2) - mask |= 0x0010; /* FIXME: This is redundant. */ - -#ifdef CONFIG_SSB_DRIVER_PCICORE - pcidev = bus->pcicore.dev; -#endif - gpiodev = bus->chipco.dev ? : pcidev; - if (!gpiodev) - return 0; - ssb_write32(gpiodev, BCM43xx_GPIO_CONTROL, - (ssb_read32(gpiodev, BCM43xx_GPIO_CONTROL) - & mask) | set); - - return 0; -} - -/* Turn off all GPIO stuff. Call this on module unload, for example. */ -static void bcm43xx_gpio_cleanup(struct bcm43xx_wldev *dev) -{ - struct ssb_bus *bus = dev->dev->bus; - struct ssb_device *gpiodev, *pcidev = NULL; - -#ifdef CONFIG_SSB_DRIVER_PCICORE - pcidev = bus->pcicore.dev; -#endif - gpiodev = bus->chipco.dev ? : pcidev; - if (!gpiodev) - return; - ssb_write32(gpiodev, BCM43xx_GPIO_CONTROL, 0); -} - -/* http://bcm-specs.sipsolutions.net/EnableMac */ -void bcm43xx_mac_enable(struct bcm43xx_wldev *dev) -{ - dev->mac_suspended--; - assert(dev->mac_suspended >= 0); - if (dev->mac_suspended == 0) { - bcm43xx_write32(dev, BCM43xx_MMIO_STATUS_BITFIELD, - bcm43xx_read32(dev, BCM43xx_MMIO_STATUS_BITFIELD) - | BCM43xx_SBF_MAC_ENABLED); - bcm43xx_write32(dev, BCM43xx_MMIO_GEN_IRQ_REASON, - BCM43xx_IRQ_MAC_SUSPENDED); - bcm43xx_read32(dev, BCM43xx_MMIO_STATUS_BITFIELD); /* dummy read */ - bcm43xx_read32(dev, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */ - bcm43xx_power_saving_ctl_bits(dev, -1, -1); - } -} - -/* http://bcm-specs.sipsolutions.net/SuspendMAC */ -void bcm43xx_mac_suspend(struct bcm43xx_wldev *dev) -{ - int i; - u32 tmp; - - assert(dev->mac_suspended >= 0); - if (dev->mac_suspended == 0) { - bcm43xx_power_saving_ctl_bits(dev, -1, 1); - bcm43xx_write32(dev, BCM43xx_MMIO_STATUS_BITFIELD, - bcm43xx_read32(dev, BCM43xx_MMIO_STATUS_BITFIELD) - & ~BCM43xx_SBF_MAC_ENABLED); - bcm43xx_read32(dev, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */ - for (i = 10000; i; i--) { - tmp = bcm43xx_read32(dev, BCM43xx_MMIO_GEN_IRQ_REASON); - if (tmp & BCM43xx_IRQ_MAC_SUSPENDED) - goto out; - udelay(1); - } - printkl(KERN_ERR PFX "MAC suspend failed\n"); - } -out: - dev->mac_suspended++; -} - -static void bcm43xx_adjust_opmode(struct bcm43xx_wldev *dev) -{ - struct bcm43xx_wl *wl = dev->wl; - u32 ctl; - u16 cfp_pretbtt; - - ctl = bcm43xx_read32(dev, BCM43xx_MMIO_MACCTL); - /* Reset status to STA infrastructure mode. */ - ctl &= ~BCM43xx_MACCTL_AP; - ctl &= ~BCM43xx_MACCTL_KEEP_CTL; - ctl &= ~BCM43xx_MACCTL_KEEP_BADPLCP; - ctl &= ~BCM43xx_MACCTL_KEEP_BAD; - ctl &= ~BCM43xx_MACCTL_PROMISC; - ctl |= BCM43xx_MACCTL_INFRA; - - if (wl->operating) { - switch (wl->if_type) { - case IEEE80211_IF_TYPE_AP: - ctl |= BCM43xx_MACCTL_AP; - break; - case IEEE80211_IF_TYPE_IBSS: - ctl &= ~BCM43xx_MACCTL_INFRA; - break; - case IEEE80211_IF_TYPE_STA: - case IEEE80211_IF_TYPE_MNTR: - case IEEE80211_IF_TYPE_WDS: - break; - default: - assert(0); - } - } - if (wl->monitor) { - ctl |= BCM43xx_MACCTL_KEEP_CTL; - if (modparam_mon_keep_bad) - ctl |= BCM43xx_MACCTL_KEEP_BAD; - if (modparam_mon_keep_badplcp) - ctl |= BCM43xx_MACCTL_KEEP_BADPLCP; - } - if (wl->promisc) - ctl |= BCM43xx_MACCTL_PROMISC; - - bcm43xx_write32(dev, BCM43xx_MMIO_MACCTL, ctl); - - cfp_pretbtt = 2; - if ((ctl & BCM43xx_MACCTL_INFRA) && - !(ctl & BCM43xx_MACCTL_AP)) { - if (dev->dev->bus->chip_id == 0x4306 && - dev->dev->bus->chip_rev == 3) - cfp_pretbtt = 100; - else - cfp_pretbtt = 50; - } - bcm43xx_write16(dev, 0x612, cfp_pretbtt); -} - -static void bcm43xx_rate_memory_write(struct bcm43xx_wldev *dev, - 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(dev, BCM43xx_SHM_SHARED, offset + 0x20, - bcm43xx_shm_read16(dev, BCM43xx_SHM_SHARED, offset)); -} - -static void bcm43xx_rate_memory_init(struct bcm43xx_wldev *dev) -{ - switch (dev->phy.type) { - case BCM43xx_PHYTYPE_A: - case BCM43xx_PHYTYPE_G: - bcm43xx_rate_memory_write(dev, BCM43xx_OFDM_RATE_6MB, 1); - bcm43xx_rate_memory_write(dev, BCM43xx_OFDM_RATE_12MB, 1); - bcm43xx_rate_memory_write(dev, BCM43xx_OFDM_RATE_18MB, 1); - bcm43xx_rate_memory_write(dev, BCM43xx_OFDM_RATE_24MB, 1); - bcm43xx_rate_memory_write(dev, BCM43xx_OFDM_RATE_36MB, 1); - bcm43xx_rate_memory_write(dev, BCM43xx_OFDM_RATE_48MB, 1); - bcm43xx_rate_memory_write(dev, BCM43xx_OFDM_RATE_54MB, 1); - if (dev->phy.type == BCM43xx_PHYTYPE_A) - break; - /* fallthrough */ - case BCM43xx_PHYTYPE_B: - bcm43xx_rate_memory_write(dev, BCM43xx_CCK_RATE_1MB, 0); - bcm43xx_rate_memory_write(dev, BCM43xx_CCK_RATE_2MB, 0); - bcm43xx_rate_memory_write(dev, BCM43xx_CCK_RATE_5MB, 0); - bcm43xx_rate_memory_write(dev, BCM43xx_CCK_RATE_11MB, 0); - break; - default: - assert(0); - } -} - -/* Set the TX-Antenna for management frames sent by firmware. */ -static void bcm43xx_mgmtframe_txantenna(struct bcm43xx_wldev *dev, - int antenna) -{ - u16 ant = 0; - u16 tmp; - - switch (antenna) { - case BCM43xx_ANTENNA0: - ant |= BCM43xx_TX4_PHY_ANT0; - break; - case BCM43xx_ANTENNA1: - ant |= BCM43xx_TX4_PHY_ANT1; - break; - case BCM43xx_ANTENNA_AUTO: - ant |= BCM43xx_TX4_PHY_ANTLAST; - break; - default: - assert(0); - } - - /* FIXME We also need to set the other flags of the PHY control field somewhere. */ - - /* For Beacons */ - tmp = bcm43xx_shm_read16(dev, BCM43xx_SHM_SHARED, - BCM43xx_SHM_SH_BEACPHYCTL); - tmp = (tmp & ~BCM43xx_TX4_PHY_ANT) | ant; - bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, - BCM43xx_SHM_SH_BEACPHYCTL, tmp); - /* For ACK/CTS */ - tmp = bcm43xx_shm_read16(dev, BCM43xx_SHM_SHARED, - BCM43xx_SHM_SH_ACKCTSPHYCTL); - tmp = (tmp & ~BCM43xx_TX4_PHY_ANT) | ant; - bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, - BCM43xx_SHM_SH_ACKCTSPHYCTL, tmp); - /* For Probe Resposes */ - tmp = bcm43xx_shm_read16(dev, BCM43xx_SHM_SHARED, - BCM43xx_SHM_SH_PRPHYCTL); - tmp = (tmp & ~BCM43xx_TX4_PHY_ANT) | ant; - bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, - BCM43xx_SHM_SH_PRPHYCTL, tmp); -} - -/* This is the opposite of bcm43xx_chip_init() */ -static void bcm43xx_chip_exit(struct bcm43xx_wldev *dev) -{ - bcm43xx_radio_turn_off(dev); - if (!modparam_noleds) - bcm43xx_leds_exit(dev); - bcm43xx_gpio_cleanup(dev); - /* firmware is released later */ -} - -/* Initialize the chip - * http://bcm-specs.sipsolutions.net/ChipInit - */ -static int bcm43xx_chip_init(struct bcm43xx_wldev *dev) -{ - struct bcm43xx_phy *phy = &dev->phy; - int err, tmp; - u32 value32; - u16 value16; - - bcm43xx_write32(dev, BCM43xx_MMIO_STATUS_BITFIELD, - BCM43xx_SBF_CORE_READY - | BCM43xx_SBF_400); - - err = bcm43xx_request_firmware(dev); - if (err) - goto out; - err = bcm43xx_upload_microcode(dev); - if (err) - goto out; /* firmware is released later */ - - err = bcm43xx_gpio_init(dev); - if (err) - goto out; /* firmware is released later */ - err = bcm43xx_upload_initvals(dev); - if (err) - goto err_gpio_cleanup; - bcm43xx_radio_turn_on(dev); - dev->radio_hw_enable = bcm43xx_is_hw_radio_enabled(dev); - dprintk(KERN_INFO PFX "Radio %s by hardware\n", - (dev->radio_hw_enable == 0) ? "disabled" : "enabled"); - - bcm43xx_write16(dev, 0x03E6, 0x0000); - err = bcm43xx_phy_init(dev); - if (err) - goto err_radio_off; - - /* Select initial Interference Mitigation. */ - tmp = phy->interfmode; - phy->interfmode = BCM43xx_INTERFMODE_NONE; - bcm43xx_radio_set_interference_mitigation(dev, tmp); - - bcm43xx_set_rx_antenna(dev, BCM43xx_ANTENNA_DEFAULT); - bcm43xx_mgmtframe_txantenna(dev, BCM43xx_ANTENNA_DEFAULT); - - if (phy->type == BCM43xx_PHYTYPE_B) { - value16 = bcm43xx_read16(dev, 0x005E); - value16 |= 0x0004; - bcm43xx_write16(dev, 0x005E, value16); - } - bcm43xx_write32(dev, 0x0100, 0x01000000); - if (dev->dev->id.revision < 5) - bcm43xx_write32(dev, 0x010C, 0x01000000); - - value32 = bcm43xx_read32(dev, BCM43xx_MMIO_STATUS_BITFIELD); - value32 &= ~ BCM43xx_SBF_MODE_NOTADHOC; - bcm43xx_write32(dev, BCM43xx_MMIO_STATUS_BITFIELD, value32); - value32 = bcm43xx_read32(dev, BCM43xx_MMIO_STATUS_BITFIELD); - value32 |= BCM43xx_SBF_MODE_NOTADHOC; - bcm43xx_write32(dev, BCM43xx_MMIO_STATUS_BITFIELD, value32); - - value32 = bcm43xx_read32(dev, BCM43xx_MMIO_STATUS_BITFIELD); - value32 |= 0x100000; - bcm43xx_write32(dev, BCM43xx_MMIO_STATUS_BITFIELD, value32); - - if (bcm43xx_using_pio(dev)) { - bcm43xx_write32(dev, 0x0210, 0x00000100); - bcm43xx_write32(dev, 0x0230, 0x00000100); - bcm43xx_write32(dev, 0x0250, 0x00000100); - bcm43xx_write32(dev, 0x0270, 0x00000100); - bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, 0x0034, 0x0000); - } - - /* Probe Response Timeout value */ - /* FIXME: Default to 0, has to be set by ioctl probably... :-/ */ - bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, 0x0074, 0x0000); - - /* Initially set the wireless operation mode. */ - bcm43xx_adjust_opmode(dev); - - if (dev->dev->id.revision < 3) { - bcm43xx_write16(dev, 0x060E, 0x0000); - bcm43xx_write16(dev, 0x0610, 0x8000); - bcm43xx_write16(dev, 0x0604, 0x0000); - bcm43xx_write16(dev, 0x0606, 0x0200); - } else { - bcm43xx_write32(dev, 0x0188, 0x80000000); - bcm43xx_write32(dev, 0x018C, 0x02000000); - } - bcm43xx_write32(dev, BCM43xx_MMIO_GEN_IRQ_REASON, 0x00004000); - bcm43xx_write32(dev, BCM43xx_MMIO_DMA0_IRQ_MASK, 0x0001DC00); - bcm43xx_write32(dev, BCM43xx_MMIO_DMA1_IRQ_MASK, 0x0000DC00); - bcm43xx_write32(dev, BCM43xx_MMIO_DMA2_IRQ_MASK, 0x0000DC00); - bcm43xx_write32(dev, BCM43xx_MMIO_DMA3_IRQ_MASK, 0x0001DC00); - bcm43xx_write32(dev, BCM43xx_MMIO_DMA4_IRQ_MASK, 0x0000DC00); - bcm43xx_write32(dev, BCM43xx_MMIO_DMA5_IRQ_MASK, 0x0000DC00); - - value32 = ssb_read32(dev->dev, SSB_TMSLOW); - value32 |= 0x00100000; - ssb_write32(dev->dev, SSB_TMSLOW, value32); - - bcm43xx_write16(dev, BCM43xx_MMIO_POWERUP_DELAY, - dev->dev->bus->chipco.fast_pwrup_delay); - - assert(err == 0); - dprintk(KERN_INFO PFX "Chip initialized\n"); -out: - return err; - -err_radio_off: - bcm43xx_radio_turn_off(dev); -err_gpio_cleanup: - bcm43xx_gpio_cleanup(dev); - goto out; -} - -static void bcm43xx_periodic_every120sec(struct bcm43xx_wldev *dev) -{ - struct bcm43xx_phy *phy = &dev->phy; - - if (phy->type != BCM43xx_PHYTYPE_G || phy->rev < 2) - return; - - bcm43xx_mac_suspend(dev); - bcm43xx_lo_g_measure(dev); - bcm43xx_mac_enable(dev); -} - -static void bcm43xx_periodic_every60sec(struct bcm43xx_wldev *dev) -{ - bcm43xx_lo_g_ctl_mark_all_unused(dev); - if (dev->dev->bus->sprom.r1.boardflags_lo & BCM43xx_BFL_RSSI) { - bcm43xx_mac_suspend(dev); - bcm43xx_calc_nrssi_slope(dev); - bcm43xx_mac_enable(dev); - } -} - -static void bcm43xx_periodic_every30sec(struct bcm43xx_wldev *dev) -{ - /* Update device statistics. */ - bcm43xx_calculate_link_quality(dev); -} - -static void bcm43xx_periodic_every15sec(struct bcm43xx_wldev *dev) -{ - struct bcm43xx_phy *phy = &dev->phy; - - if (phy->type == BCM43xx_PHYTYPE_G) { - //TODO: update_aci_moving_average - if (phy->aci_enable && phy->aci_wlan_automatic) { - bcm43xx_mac_suspend(dev); - if (!phy->aci_enable && 1 /*TODO: not scanning? */) { - if (0 /*TODO: bunch of conditions*/) { - bcm43xx_radio_set_interference_mitigation(dev, - BCM43xx_INTERFMODE_MANUALWLAN); - } - } else if (1/*TODO*/) { - /* - if ((aci_average > 1000) && !(bcm43xx_radio_aci_scan(dev))) { - bcm43xx_radio_set_interference_mitigation(dev, - BCM43xx_INTERFMODE_NONE); - } - */ - } - bcm43xx_mac_enable(dev); - } else if (phy->interfmode == BCM43xx_INTERFMODE_NONWLAN && - phy->rev == 1) { - //TODO: implement rev1 workaround - } - } - bcm43xx_phy_xmitpower(dev); //FIXME: unless scanning? - //TODO for APHY (temperature?) -} - -static void bcm43xx_periodic_every1sec(struct bcm43xx_wldev *dev) -{ - int radio_hw_enable; - - /* check if radio hardware enabled status changed */ - radio_hw_enable = bcm43xx_is_hw_radio_enabled(dev); - if (unlikely(dev->radio_hw_enable != radio_hw_enable)) { - dev->radio_hw_enable = radio_hw_enable; - dprintk(KERN_INFO PFX "Radio hardware status changed to %s\n", - (radio_hw_enable == 0) ? "disabled" : "enabled"); - bcm43xx_leds_update(dev, 0); - } -} - -static void do_periodic_work(struct bcm43xx_wldev *dev) -{ - unsigned int state; - - state = dev->periodic_state; - if (state % 120 == 0) - bcm43xx_periodic_every120sec(dev); - if (state % 60 == 0) - bcm43xx_periodic_every60sec(dev); - if (state % 30 == 0) - bcm43xx_periodic_every30sec(dev); - if (state % 15 == 0) - bcm43xx_periodic_every15sec(dev); - bcm43xx_periodic_every1sec(dev); -} - -/* Estimate a "Badness" value based on the periodic work - * state-machine state. "Badness" is worse (bigger), if the - * periodic work will take longer. - */ -static int estimate_periodic_work_badness(unsigned int state) -{ - int badness = 0; - - if (state % 120 == 0) /* every 120 sec */ - badness += 10; - if (state % 60 == 0) /* every 60 sec */ - badness += 5; - if (state % 30 == 0) /* every 30 sec */ - badness += 1; - if (state % 15 == 0) /* every 15 sec */ - badness += 1; - -#define BADNESS_LIMIT 4 - return badness; -} - -static void bcm43xx_periodic_work_handler(struct work_struct *work) -{ - struct bcm43xx_wldev *dev = - container_of(work, struct bcm43xx_wldev, periodic_work.work); - unsigned long flags, delay; - u32 savedirqs = 0; - int badness; - - mutex_lock(&dev->wl->mutex); - - if (unlikely(bcm43xx_status(dev) != BCM43xx_STAT_INITIALIZED)) - goto out; - if (unlikely(!dev->started)) - goto out; - if (bcm43xx_debug(dev, BCM43xx_DBG_PWORK_STOP)) - goto out_requeue; - - badness = estimate_periodic_work_badness(dev->periodic_state); - if (badness > BADNESS_LIMIT) { - spin_lock_irqsave(&dev->wl->irq_lock, flags); - /* Suspend TX as we don't want to transmit packets while - * we recalibrate the hardware. */ - bcm43xx_tx_suspend(dev); - savedirqs = bcm43xx_interrupt_disable(dev, BCM43xx_IRQ_ALL); - /* Periodic work will take a long time, so we want it to - * be preemtible and release the spinlock. */ - spin_unlock_irqrestore(&dev->wl->irq_lock, flags); - bcm43xx_synchronize_irq(dev); - - do_periodic_work(dev); - - spin_lock_irqsave(&dev->wl->irq_lock, flags); - bcm43xx_interrupt_enable(dev, savedirqs); - bcm43xx_tx_resume(dev); - mmiowb(); - spin_unlock_irqrestore(&dev->wl->irq_lock, flags); - } else { - /* Take the global driver lock. This will lock any operation. */ - spin_lock_irqsave(&dev->wl->irq_lock, flags); - - do_periodic_work(dev); - - mmiowb(); - spin_unlock_irqrestore(&dev->wl->irq_lock, flags); - } - dev->periodic_state++; -out_requeue: - if (bcm43xx_debug(dev, BCM43xx_DBG_PWORK_FAST)) - delay = msecs_to_jiffies(50); - else - delay = round_jiffies(HZ); - queue_delayed_work(dev->wl->hw->workqueue, - &dev->periodic_work, delay); -out: - mutex_unlock(&dev->wl->mutex); -} - -static void bcm43xx_periodic_tasks_delete(struct bcm43xx_wldev *dev) -{ - cancel_rearming_delayed_work(&dev->periodic_work); -} - -static void bcm43xx_periodic_tasks_setup(struct bcm43xx_wldev *dev) -{ - struct delayed_work *work = &dev->periodic_work; - - assert(bcm43xx_status(dev) == BCM43xx_STAT_INITIALIZED); - dev->periodic_state = 0; - INIT_DELAYED_WORK(work, bcm43xx_periodic_work_handler); - queue_delayed_work(dev->wl->hw->workqueue, work, 0); -} - -/* Validate access to the chip (SHM) */ -static int bcm43xx_validate_chipaccess(struct bcm43xx_wldev *dev) -{ - u32 value; - u32 shm_backup; - - shm_backup = bcm43xx_shm_read32(dev, BCM43xx_SHM_SHARED, 0); - bcm43xx_shm_write32(dev, BCM43xx_SHM_SHARED, 0, 0xAA5555AA); - if (bcm43xx_shm_read32(dev, BCM43xx_SHM_SHARED, 0) != 0xAA5555AA) - goto error; - bcm43xx_shm_write32(dev, BCM43xx_SHM_SHARED, 0, 0x55AAAA55); - if (bcm43xx_shm_read32(dev, BCM43xx_SHM_SHARED, 0) != 0x55AAAA55) - goto error; - bcm43xx_shm_write32(dev, BCM43xx_SHM_SHARED, 0, shm_backup); - - value = bcm43xx_read32(dev, BCM43xx_MMIO_MACCTL); - if ((value | BCM43xx_MACCTL_GMODE) != - (BCM43xx_MACCTL_GMODE | BCM43xx_MACCTL_IHR_ENABLED)) - goto error; - - value = bcm43xx_read32(dev, BCM43xx_MMIO_GEN_IRQ_REASON); - if (value) - goto error; - - return 0; -error: - printk(KERN_ERR PFX "Failed to validate the chipaccess\n"); - return -ENODEV; -} - -static void bcm43xx_security_init(struct bcm43xx_wldev *dev) -{ - dev->max_nr_keys = (dev->dev->id.revision >= 5) ? 58 : 20; - assert(dev->max_nr_keys <= ARRAY_SIZE(dev->key)); - dev->ktp = bcm43xx_shm_read16(dev, BCM43xx_SHM_SHARED, - BCM43xx_SHM_SH_KTP); - /* KTP is a word address, but we address SHM bytewise. - * So multiply by two. - */ - dev->ktp *= 2; - if (dev->dev->id.revision >= 5) { - /* Number of RCMTA address slots */ - bcm43xx_write16(dev, BCM43xx_MMIO_RCMTA_COUNT, - dev->max_nr_keys - 8); - } - bcm43xx_clear_keys(dev); -} - -static int bcm43xx_rng_read(struct hwrng *rng, u32 *data) -{ - struct bcm43xx_wl *wl = (struct bcm43xx_wl *)rng->priv; - unsigned long flags; - - /* Don't take wl->mutex here, as it could deadlock with - * hwrng internal locking. It's not needed to take - * wl->mutex here, anyway. */ - - spin_lock_irqsave(&wl->irq_lock, flags); - *data = bcm43xx_read16(wl->current_dev, BCM43xx_MMIO_RNG); - spin_unlock_irqrestore(&wl->irq_lock, flags); - - return (sizeof(u16)); -} - -static void bcm43xx_rng_exit(struct bcm43xx_wl *wl) -{ - if (wl->rng_initialized) - hwrng_unregister(&wl->rng); -} - -static int bcm43xx_rng_init(struct bcm43xx_wl *wl) -{ - int err; - - snprintf(wl->rng_name, ARRAY_SIZE(wl->rng_name), - "%s_%s", KBUILD_MODNAME, wiphy_name(wl->hw->wiphy)); - wl->rng.name = wl->rng_name; - wl->rng.data_read = bcm43xx_rng_read; - wl->rng.priv = (unsigned long)wl; - wl->rng_initialized = 1; - err = hwrng_register(&wl->rng); - if (err) { - wl->rng_initialized = 0; - printk(KERN_ERR PFX "Failed to register the random " - "number generator (%d)\n", err); - } - - return err; -} - -static int bcm43xx_tx(struct ieee80211_hw *hw, - struct sk_buff *skb, - struct ieee80211_tx_control *ctl) -{ - struct bcm43xx_wl *wl = hw_to_bcm43xx_wl(hw); - struct bcm43xx_wldev *dev = wl->current_dev; - int err = -ENODEV; - unsigned long flags; - - /* DMA-TX is done without a global lock. */ - if (unlikely(!dev)) - goto out; - assert(bcm43xx_status(dev) == BCM43xx_STAT_INITIALIZED); - assert(dev->started); - if (bcm43xx_using_pio(dev)) { - spin_lock_irqsave(&wl->irq_lock, flags); - err = bcm43xx_pio_tx(dev, skb, ctl); - spin_unlock_irqrestore(&wl->irq_lock, flags); - } else - err = bcm43xx_dma_tx(dev, skb, ctl); -out: - if (unlikely(err)) - return NETDEV_TX_BUSY; - return NETDEV_TX_OK; -} - -static int bcm43xx_conf_tx(struct ieee80211_hw *hw, - int queue, - const struct ieee80211_tx_queue_params *params) -{ - return 0; -} - -static int bcm43xx_get_tx_stats(struct ieee80211_hw *hw, - struct ieee80211_tx_queue_stats *stats) -{ - struct bcm43xx_wl *wl = hw_to_bcm43xx_wl(hw); - struct bcm43xx_wldev *dev = wl->current_dev; - unsigned long flags; - int err = -ENODEV; - - if (!dev) - goto out; - spin_lock_irqsave(&wl->irq_lock, flags); - if (likely(bcm43xx_status(dev) == BCM43xx_STAT_INITIALIZED)) { - if (bcm43xx_using_pio(dev)) - bcm43xx_pio_get_tx_stats(dev, stats); - else - bcm43xx_dma_get_tx_stats(dev, stats); - err = 0; - } - spin_unlock_irqrestore(&wl->irq_lock, flags); -out: - return err; -} - -static int bcm43xx_get_stats(struct ieee80211_hw *hw, - struct ieee80211_low_level_stats *stats) -{ - struct bcm43xx_wl *wl = hw_to_bcm43xx_wl(hw); - unsigned long flags; - - spin_lock_irqsave(&wl->irq_lock, flags); - memcpy(stats, &wl->ieee_stats, sizeof(*stats)); - spin_unlock_irqrestore(&wl->irq_lock, flags); - - return 0; -} - -static int bcm43xx_dev_reset(struct ieee80211_hw *hw) -{ - struct bcm43xx_wl *wl = hw_to_bcm43xx_wl(hw); - struct bcm43xx_wldev *dev = wl->current_dev; - unsigned long flags; - - if (!dev) - return -ENODEV; - spin_lock_irqsave(&wl->irq_lock, flags); - bcm43xx_controller_restart(dev, "Reset by ieee80211 subsystem"); - spin_unlock_irqrestore(&wl->irq_lock, flags); - - return 0; -} - -static const char * phymode_to_string(unsigned int phymode) -{ - switch (phymode) { - case BCM43xx_PHYMODE_A: - return "A"; - case BCM43xx_PHYMODE_B: - return "B"; - case BCM43xx_PHYMODE_G: - return "G"; - default: - assert(0); - } - return ""; -} - -static int find_wldev_for_phymode(struct bcm43xx_wl *wl, - unsigned int phymode, - struct bcm43xx_wldev **dev, - int *gmode) -{ - struct bcm43xx_wldev *d; - - list_for_each_entry(d, &wl->devlist, list) { - if (d->phy.possible_phymodes & phymode) { - /* Ok, this device supports the PHY-mode. - * Now figure out how the gmode bit has to be - * set to support it. */ - if (phymode == BCM43xx_PHYMODE_A) - *gmode = 0; - else - *gmode = 1; - *dev = d; - - return 0; - } - } - - return -ESRCH; -} - -static void bcm43xx_put_phy_into_reset(struct bcm43xx_wldev *dev) -{ - struct ssb_device *sdev = dev->dev; - u32 tmslow; - - tmslow = ssb_read32(sdev, SSB_TMSLOW); - tmslow &= ~BCM43xx_TMSLOW_GMODE; - tmslow |= BCM43xx_TMSLOW_PHYRESET; - tmslow |= SSB_TMSLOW_FGC; - ssb_write32(sdev, SSB_TMSLOW, tmslow); - msleep(1); - - tmslow = ssb_read32(sdev, SSB_TMSLOW); - tmslow &= ~SSB_TMSLOW_FGC; - tmslow |= BCM43xx_TMSLOW_PHYRESET; - ssb_write32(sdev, SSB_TMSLOW, tmslow); - msleep(1); -} - -static int bcm43xx_switch_phymode(struct bcm43xx_wl *wl, - unsigned int new_mode) -{ - struct bcm43xx_wldev *up_dev; - struct bcm43xx_wldev *down_dev; - int err; - int gmode = -1; - int old_was_started = 0; - int old_was_inited = 0; - - err = find_wldev_for_phymode(wl, new_mode, &up_dev, &gmode); - if (err) { - printk(KERN_INFO PFX "Could not find a device for %s-PHY mode\n", - phymode_to_string(new_mode)); - return err; - } - assert(gmode == 0 || gmode == 1); - if ((up_dev == wl->current_dev) && - (wl->current_dev->phy.gmode == gmode)) { - /* This device is already running. */ - return 0; - } - dprintk(KERN_INFO PFX "Reconfiguring PHYmode to %s-PHY\n", - phymode_to_string(new_mode)); - down_dev = wl->current_dev; - - /* Shutdown the currently running core. */ - if (down_dev->started) { - old_was_started = 1; - bcm43xx_wireless_core_stop(down_dev); - } - if (bcm43xx_status(down_dev) == BCM43xx_STAT_INITIALIZED) { - old_was_inited = 1; - bcm43xx_wireless_core_exit(down_dev); - } - - if (down_dev != up_dev) { - /* We switch to a different core, so we put PHY into - * RESET on the old core. */ - bcm43xx_put_phy_into_reset(down_dev); - } - - /* Now start the new core. */ - up_dev->phy.gmode = gmode; - if (old_was_inited) { - err = bcm43xx_wireless_core_init(up_dev); - if (err) { - printk(KERN_INFO PFX "Fatal: Could not initialize device for " - "new selected %s-PHY mode\n", - phymode_to_string(new_mode)); - return err; - } - } - if (old_was_started) { - assert(old_was_inited); - err = bcm43xx_wireless_core_start(up_dev); - if (err) { - printk(KERN_INFO PFX "Fatal: Coult not start device for " - "new selected %s-PHY mode\n", - phymode_to_string(new_mode)); - bcm43xx_wireless_core_exit(up_dev); - return err; - } - } - - wl->current_dev = up_dev; - - return 0; -} - -static int bcm43xx_antenna_from_ieee80211(u8 antenna) -{ - switch (antenna) { - case 0: /* default/diversity */ - return BCM43xx_ANTENNA_DEFAULT; - case 1: /* Antenna 0 */ - return BCM43xx_ANTENNA0; - case 2: /* Antenna 1 */ - return BCM43xx_ANTENNA1; - default: - return BCM43xx_ANTENNA_DEFAULT; - } -} - -static int bcm43xx_dev_config(struct ieee80211_hw *hw, - struct ieee80211_conf *conf) -{ - struct bcm43xx_wl *wl = hw_to_bcm43xx_wl(hw); - struct bcm43xx_wldev *dev; - struct bcm43xx_phy *phy; - unsigned long flags; - unsigned int new_phymode = 0xFFFF; - int antenna_tx; - int antenna_rx; - int err = 0; - u32 savedirqs; - - antenna_tx = bcm43xx_antenna_from_ieee80211(conf->antenna_sel_tx); - antenna_rx = bcm43xx_antenna_from_ieee80211(conf->antenna_sel_rx); - - mutex_lock(&wl->mutex); - - /* Switch the PHY mode (if necessary). */ - switch (conf->phymode) { - case MODE_IEEE80211A: - new_phymode = BCM43xx_PHYMODE_A; - break; - case MODE_IEEE80211B: - new_phymode = BCM43xx_PHYMODE_B; - break; - case MODE_IEEE80211G: - new_phymode = BCM43xx_PHYMODE_G; - break; - default: - assert(0); - } - err = bcm43xx_switch_phymode(wl, new_phymode); - if (err) - goto out_unlock_mutex; - dev = wl->current_dev; - phy = &dev->phy; - - /* Disable IRQs while reconfiguring the device. - * This makes it possible to drop the spinlock throughout - * the reconfiguration process. */ - spin_lock_irqsave(&wl->irq_lock, flags); - if ((bcm43xx_status(dev) != BCM43xx_STAT_INITIALIZED) || - !dev->started) { - spin_unlock_irqrestore(&wl->irq_lock, flags); - goto out_unlock_mutex; - } - savedirqs = bcm43xx_interrupt_disable(dev, BCM43xx_IRQ_ALL); - spin_unlock_irqrestore(&wl->irq_lock, flags); - bcm43xx_synchronize_irq(dev); - - /* Switch to the requested channel. - * The firmware takes care of races with the TX handler. */ - if (conf->channel_val != phy->channel) - bcm43xx_radio_selectchannel(dev, conf->channel_val, 0); - - /* Enable/Disable ShortSlot timing. */ - if ((!!(conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME)) != dev->short_slot) { - assert(phy->type == BCM43xx_PHYTYPE_G); - if (conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME) - bcm43xx_short_slot_timing_enable(dev); - else - bcm43xx_short_slot_timing_disable(dev); - } - - /* Adjust the desired TX power level. */ - if (conf->power_level != 0) { - if (conf->power_level != phy->power_level) { - phy->power_level = conf->power_level; - bcm43xx_phy_xmitpower(dev); - } - } - - /* Hide/Show the SSID (AP mode only). */ - if (conf->flags & IEEE80211_CONF_SSID_HIDDEN) { - bcm43xx_write32(dev, BCM43xx_MMIO_STATUS_BITFIELD, - bcm43xx_read32(dev, BCM43xx_MMIO_STATUS_BITFIELD) - | BCM43xx_SBF_NO_SSID_BCAST); - } else { - bcm43xx_write32(dev, BCM43xx_MMIO_STATUS_BITFIELD, - bcm43xx_read32(dev, BCM43xx_MMIO_STATUS_BITFIELD) - & ~BCM43xx_SBF_NO_SSID_BCAST); - } - - /* Antennas for RX and management frame TX. */ - bcm43xx_mgmtframe_txantenna(dev, antenna_tx); - bcm43xx_set_rx_antenna(dev, antenna_rx); - - /* Update templates for AP mode. */ - if (bcm43xx_is_mode(wl, IEEE80211_IF_TYPE_AP)) - bcm43xx_set_beacon_int(dev, conf->beacon_int); - - - spin_lock_irqsave(&wl->irq_lock, flags); - bcm43xx_interrupt_enable(dev, savedirqs); - mmiowb(); - spin_unlock_irqrestore(&wl->irq_lock, flags); -out_unlock_mutex: - mutex_unlock(&wl->mutex); - - return err; -} - -static int bcm43xx_dev_set_key(struct ieee80211_hw *hw, - set_key_cmd cmd, - u8 *addr, - struct ieee80211_key_conf *key, - int aid) -{ - struct bcm43xx_wl *wl = hw_to_bcm43xx_wl(hw); - struct bcm43xx_wldev *dev = wl->current_dev; - unsigned long flags; - u8 algorithm; - u8 index; - int err = -EINVAL; - - if (!dev) - return -ENODEV; - switch (key->alg) { - case ALG_NONE: - case ALG_NULL: - algorithm = BCM43xx_SEC_ALGO_NONE; - break; - case ALG_WEP: - if (key->keylen == 5) - algorithm = BCM43xx_SEC_ALGO_WEP40; - else - algorithm = BCM43xx_SEC_ALGO_WEP104; - break; - case ALG_TKIP: - algorithm = BCM43xx_SEC_ALGO_TKIP; - break; - case ALG_CCMP: - algorithm = BCM43xx_SEC_ALGO_AES; - break; - default: - assert(0); - goto out; - } - - index = (u8)(key->keyidx); - if (index > 3) - goto out; - - mutex_lock(&wl->mutex); - spin_lock_irqsave(&wl->irq_lock, flags); - - if (bcm43xx_status(dev) != BCM43xx_STAT_INITIALIZED) { - err = -ENODEV; - goto out_unlock; - } - - switch (cmd) { - case SET_KEY: - key->flags &= ~IEEE80211_KEY_FORCE_SW_ENCRYPT; - - if (algorithm == BCM43xx_SEC_ALGO_TKIP) { - /* FIXME: No TKIP hardware encryption for now. */ - key->flags |= IEEE80211_KEY_FORCE_SW_ENCRYPT; - } - - if (is_broadcast_ether_addr(addr)) { - /* addr is FF:FF:FF:FF:FF:FF for default keys */ - err = bcm43xx_key_write(dev, index, algorithm, - key->key, key->keylen, - NULL, key); - } else { - err = bcm43xx_key_write(dev, -1, algorithm, - key->key, key->keylen, - addr, key); - } - if (err) { - key->flags |= IEEE80211_KEY_FORCE_SW_ENCRYPT; - goto out_unlock; - } - dev->key[key->hw_key_idx].enabled = 1; - - if (algorithm == BCM43xx_SEC_ALGO_WEP40 || - algorithm == BCM43xx_SEC_ALGO_WEP104) { - bcm43xx_hf_write(dev, - bcm43xx_hf_read(dev) | - BCM43xx_HF_USEDEFKEYS); - } else { - bcm43xx_hf_write(dev, - bcm43xx_hf_read(dev) & - ~BCM43xx_HF_USEDEFKEYS); - } - break; - case DISABLE_KEY: { - static const u8 zero[BCM43xx_SEC_KEYSIZE] = { 0 }; - - algorithm = BCM43xx_SEC_ALGO_NONE; - if (is_broadcast_ether_addr(addr)) { - err = bcm43xx_key_write(dev, index, algorithm, - zero, BCM43xx_SEC_KEYSIZE, - NULL, key); - } else { - err = bcm43xx_key_write(dev, -1, algorithm, - zero, BCM43xx_SEC_KEYSIZE, - addr, key); - } - dev->key[key->hw_key_idx].enabled = 0; - break; - } - case REMOVE_ALL_KEYS: - bcm43xx_clear_keys(dev); - err = 0; - break; - default: - assert(0); - } -out_unlock: - spin_unlock_irqrestore(&wl->irq_lock, flags); - mutex_unlock(&wl->mutex); -out: - if (!err) { - dprintk(KERN_DEBUG PFX "Using %s based encryption for keyidx: %d, " - "mac: " MAC_FMT "\n", - (key->flags & IEEE80211_KEY_FORCE_SW_ENCRYPT) ? - "software" : "hardware", - key->keyidx, MAC_ARG(addr)); - } - return err; -} - -static void bcm43xx_set_multicast_list(struct ieee80211_hw *hw, - unsigned short netflags, - int mc_count) -{ - struct bcm43xx_wl *wl = hw_to_bcm43xx_wl(hw); - struct bcm43xx_wldev *dev = wl->current_dev; - unsigned long flags; - - if (!dev) - return; - spin_lock_irqsave(&wl->irq_lock, flags); - if (wl->promisc != !!(netflags & IFF_PROMISC)) { - wl->promisc = !!(netflags & IFF_PROMISC); - if (bcm43xx_status(dev) == BCM43xx_STAT_INITIALIZED) - bcm43xx_adjust_opmode(dev); - } - spin_unlock_irqrestore(&wl->irq_lock, flags); -} - -static int bcm43xx_config_interface(struct ieee80211_hw *hw, - int if_id, - struct ieee80211_if_conf *conf) -{ - struct bcm43xx_wl *wl = hw_to_bcm43xx_wl(hw); - struct bcm43xx_wldev *dev = wl->current_dev; - unsigned long flags; - - if (!dev) - return -ENODEV; - mutex_lock(&wl->mutex); - spin_lock_irqsave(&wl->irq_lock, flags); - if (conf->type != IEEE80211_IF_TYPE_MNTR) { - assert(wl->if_id == if_id); - wl->bssid = conf->bssid; - if (bcm43xx_is_mode(wl, IEEE80211_IF_TYPE_AP)) { - assert(conf->type == IEEE80211_IF_TYPE_AP); - bcm43xx_set_ssid(dev, conf->ssid, conf->ssid_len); - if (conf->beacon) - bcm43xx_refresh_templates(dev, conf->beacon); - } - bcm43xx_write_mac_bssid_templates(dev); - } - spin_unlock_irqrestore(&wl->irq_lock, flags); - mutex_unlock(&wl->mutex); - - return 0; -} - -/* Locking: wl->mutex */ -static void bcm43xx_wireless_core_stop(struct bcm43xx_wldev *dev) -{ - struct bcm43xx_wl *wl = dev->wl; - unsigned long flags; - - if (!dev->started) - return; - dev->started = 0; - - mutex_unlock(&wl->mutex); - /* Must unlock as it would otherwise deadlock. No races here. */ - bcm43xx_periodic_tasks_delete(dev); - flush_workqueue(dev->wl->hw->workqueue); - mutex_lock(&wl->mutex); - - ieee80211_stop_queues(wl->hw); //FIXME this could cause a deadlock, as mac80211 seems buggy. - - /* Disable and sync interrupts. */ - spin_lock_irqsave(&wl->irq_lock, flags); - dev->irq_savedstate = bcm43xx_interrupt_disable(dev, BCM43xx_IRQ_ALL); - bcm43xx_read32(dev, BCM43xx_MMIO_GEN_IRQ_MASK); /* flush */ - spin_unlock_irqrestore(&wl->irq_lock, flags); - bcm43xx_synchronize_irq(dev); - - bcm43xx_mac_suspend(dev); - free_irq(dev->dev->irq, dev); - dprintk(KERN_INFO PFX "Wireless interface stopped\n"); -} - -/* Locking: wl->mutex */ -static int bcm43xx_wireless_core_start(struct bcm43xx_wldev *dev) -{ - struct bcm43xx_wl *wl = dev->wl; - int err; - - assert(!dev->started); - - drain_txstatus_queue(dev); - err = request_irq(dev->dev->irq, bcm43xx_interrupt_handler, - IRQF_SHARED, KBUILD_MODNAME, dev); - if (err) { - printk(KERN_ERR PFX "Cannot request IRQ-%d\n", - dev->dev->irq); - goto out; - } - dev->started = 1; - bcm43xx_interrupt_enable(dev, dev->irq_savedstate); - bcm43xx_mac_enable(dev); - - ieee80211_start_queues(wl->hw); - bcm43xx_periodic_tasks_setup(dev); - dprintk(KERN_INFO PFX "Wireless interface started\n"); -out: - return err; -} - -/* Get PHY and RADIO versioning numbers */ -static int bcm43xx_phy_versioning(struct bcm43xx_wldev *dev) -{ - struct bcm43xx_phy *phy = &dev->phy; - u32 tmp; - u8 analog_type; - u8 phy_type; - u8 phy_rev; - u16 radio_manuf; - u16 radio_ver; - u16 radio_rev; - int unsupported = 0; - - /* Get PHY versioning */ - tmp = bcm43xx_read16(dev, BCM43xx_MMIO_PHY_VER); - analog_type = (tmp & BCM43xx_PHYVER_ANALOG) >> BCM43xx_PHYVER_ANALOG_SHIFT; - phy_type = (tmp & BCM43xx_PHYVER_TYPE) >> BCM43xx_PHYVER_TYPE_SHIFT; - phy_rev = (tmp & BCM43xx_PHYVER_VERSION); - switch (phy_type) { - case BCM43xx_PHYTYPE_A: - if (phy_rev >= 4) - unsupported = 1; - break; - case BCM43xx_PHYTYPE_B: - if (phy_rev != 2 && phy_rev != 4 && phy_rev != 6 && phy_rev != 7) - unsupported = 1; - break; - case BCM43xx_PHYTYPE_G: - if (phy_rev > 8) - unsupported = 1; - break; - default: - unsupported = 1; - }; - if (unsupported) { - printk(KERN_ERR PFX "FOUND UNSUPPORTED PHY " - "(Analog %u, Type %u, Revision %u)\n", - analog_type, phy_type, phy_rev); - return -EOPNOTSUPP; - } - dprintk(KERN_INFO PFX "Found PHY: Analog %u, Type %u, Revision %u\n", - analog_type, phy_type, phy_rev); - - - /* Get RADIO versioning */ - if (dev->dev->bus->chip_id == 0x4317) { - if (dev->dev->bus->chip_rev == 0) - tmp = 0x3205017F; - else if (dev->dev->bus->chip_rev == 1) - tmp = 0x4205017F; - else - tmp = 0x5205017F; - } else { - bcm43xx_write16(dev, BCM43xx_MMIO_RADIO_CONTROL, - BCM43xx_RADIOCTL_ID); - tmp = bcm43xx_read16(dev, BCM43xx_MMIO_RADIO_DATA_HIGH); - tmp <<= 16; - bcm43xx_write16(dev, BCM43xx_MMIO_RADIO_CONTROL, - BCM43xx_RADIOCTL_ID); - tmp |= bcm43xx_read16(dev, BCM43xx_MMIO_RADIO_DATA_LOW); - } - radio_manuf = (tmp & 0x00000FFF); - radio_ver = (tmp & 0x0FFFF000) >> 12; - radio_rev = (tmp & 0xF0000000) >> 28; - switch (phy_type) { - case BCM43xx_PHYTYPE_A: - if (radio_ver != 0x2060) - unsupported = 1; - if (radio_rev != 1) - unsupported = 1; - if (radio_manuf != 0x17F) - unsupported = 1; - break; - case BCM43xx_PHYTYPE_B: - if ((radio_ver & 0xFFF0) != 0x2050) - unsupported = 1; - break; - case BCM43xx_PHYTYPE_G: - if (radio_ver != 0x2050) - unsupported = 1; - break; - default: - assert(0); - } - if (unsupported) { - printk(KERN_ERR PFX "FOUND UNSUPPORTED RADIO " - "(Manuf 0x%X, Version 0x%X, Revision %u)\n", - radio_manuf, radio_ver, radio_rev); - return -EOPNOTSUPP; - } - dprintk(KERN_INFO PFX "Found Radio: Manuf 0x%X, Version 0x%X, Revision %u\n", - radio_manuf, radio_ver, radio_rev); - - - phy->radio_manuf = radio_manuf; - phy->radio_ver = radio_ver; - phy->radio_rev = radio_rev; - - phy->analog = analog_type; - phy->type = phy_type; - phy->rev = phy_rev; - - return 0; -} - -static void setup_struct_phy_for_init(struct bcm43xx_wldev *dev, - struct bcm43xx_phy *phy) -{ - struct bcm43xx_txpower_lo_control *lo; - int i; - - memset(phy->minlowsig, 0xFF, sizeof(phy->minlowsig)); - memset(phy->minlowsigpos, 0, sizeof(phy->minlowsigpos)); - - /* Flags */ - phy->locked = 0; - - phy->aci_enable = 0; - phy->aci_wlan_automatic = 0; - phy->aci_hw_rssi = 0; - - lo = phy->lo_control; - if (lo) { - memset(lo, 0, sizeof(*(phy->lo_control))); - lo->rebuild = 1; - lo->tx_bias = 0xFF; - } - phy->max_lb_gain = 0; - phy->trsw_rx_gain = 0; - phy->txpwr_offset = 0; - - /* NRSSI */ - phy->nrssislope = 0; - for (i = 0; i < ARRAY_SIZE(phy->nrssi); i++) - phy->nrssi[i] = -1000; - for (i = 0; i < ARRAY_SIZE(phy->nrssi_lt); i++) - phy->nrssi_lt[i] = i; - - phy->lofcal = 0xFFFF; - phy->initval = 0xFFFF; - - spin_lock_init(&phy->lock); - phy->interfmode = BCM43xx_INTERFMODE_NONE; - phy->channel = 0xFF; -} - -static void setup_struct_wldev_for_init(struct bcm43xx_wldev *dev) -{ - /* Flags */ - dev->reg124_set_0x4 = 0; - - /* Stats */ - memset(&dev->stats, 0, sizeof(dev->stats)); - - setup_struct_phy_for_init(dev, &dev->phy); - - /* IRQ related flags */ - dev->irq_reason = 0; - memset(dev->dma_reason, 0, sizeof(dev->dma_reason)); - dev->irq_savedstate = BCM43xx_IRQ_MASKTEMPLATE; - - dev->mac_suspended = 1; - - /* Noise calculation context */ - memset(&dev->noisecalc, 0, sizeof(dev->noisecalc)); -} - -static void bcm43xx_bluetooth_coext_enable(struct bcm43xx_wldev *dev) -{ - struct ssb_sprom *sprom = &dev->dev->bus->sprom; - u32 hf; - - if (!(sprom->r1.boardflags_lo & BCM43xx_BFL_BTCOEXIST)) - return; - if (dev->phy.type != BCM43xx_PHYTYPE_B && !dev->phy.gmode) - return; - - hf = bcm43xx_hf_read(dev); - if (sprom->r1.boardflags_lo & BCM43xx_BFL_BTCMOD) - hf |= BCM43xx_HF_BTCOEXALT; - else - hf |= BCM43xx_HF_BTCOEX; - bcm43xx_hf_write(dev, hf); - //TODO -} - -static void bcm43xx_bluetooth_coext_disable(struct bcm43xx_wldev *dev) -{//TODO -} - -static void bcm43xx_imcfglo_timeouts_workaround(struct bcm43xx_wldev *dev) -{ -#ifdef CONFIG_SSB_DRIVER_PCICORE - struct ssb_bus *bus = dev->dev->bus; - u32 tmp; - - if (bus->pcicore.dev && - bus->pcicore.dev->id.coreid == SSB_DEV_PCI && - bus->pcicore.dev->id.revision <= 5) { - /* IMCFGLO timeouts workaround. */ - tmp = ssb_read32(dev->dev, SSB_IMCFGLO); - tmp &= ~SSB_IMCFGLO_REQTO; - tmp &= ~SSB_IMCFGLO_SERTO; - switch (bus->bustype) { - case SSB_BUSTYPE_PCI: - case SSB_BUSTYPE_PCMCIA: - tmp |= 0x32; - break; - case SSB_BUSTYPE_SSB: - tmp |= 0x53; - break; - } - ssb_write32(dev->dev, SSB_IMCFGLO, tmp); - } -#endif /* CONFIG_SSB_DRIVER_PCICORE */ -} - -/* Shutdown a wireless core */ -static void bcm43xx_wireless_core_exit(struct bcm43xx_wldev *dev) -{ - struct bcm43xx_phy *phy = &dev->phy; - - if (bcm43xx_status(dev) != BCM43xx_STAT_INITIALIZED) - return; - - bcm43xx_rng_exit(dev->wl); - bcm43xx_pio_free(dev); - bcm43xx_dma_free(dev); - bcm43xx_chip_exit(dev); - bcm43xx_radio_turn_off(dev); - bcm43xx_switch_analog(dev, 0); - if (phy->dyn_tssi_tbl) - kfree(phy->tssi2dbm); - kfree(phy->lo_control); - phy->lo_control = NULL; - ssb_device_disable(dev->dev, 0); - ssb_bus_may_powerdown(dev->dev->bus); - bcm43xx_set_status(dev, BCM43xx_STAT_UNINIT); -} - -/* Initialize a wireless core */ -static int bcm43xx_wireless_core_init(struct bcm43xx_wldev *dev) -{ - struct bcm43xx_wl *wl = dev->wl; - struct ssb_bus *bus = dev->dev->bus; - struct ssb_sprom *sprom = &bus->sprom; - struct bcm43xx_phy *phy = &dev->phy; - int err; - u32 hf, tmp; - - assert(bcm43xx_status(dev) == BCM43xx_STAT_UNINIT); - bcm43xx_set_status(dev, BCM43xx_STAT_INITIALIZING); - - err = ssb_bus_powerup(bus, 0); - if (err) - goto out; - if (!ssb_device_is_enabled(dev->dev)) { - tmp = phy->gmode ? BCM43xx_TMSLOW_GMODE : 0; - bcm43xx_wireless_core_reset(dev, tmp); - } - - if ((phy->type == BCM43xx_PHYTYPE_B) || (phy->type == BCM43xx_PHYTYPE_G)) { - phy->lo_control = kzalloc(sizeof(*(phy->lo_control)), GFP_KERNEL); - if (!phy->lo_control) { - err = -ENOMEM; - goto err_busdown; - } - } - setup_struct_wldev_for_init(dev); - - err = bcm43xx_phy_init_tssi2dbm_table(dev); - if (err) - goto err_kfree_lo_control; - - /* Enable IRQ routing to this device. */ - ssb_pcicore_dev_irqvecs_enable(&bus->pcicore, dev->dev); - - bcm43xx_imcfglo_timeouts_workaround(dev); - bcm43xx_bluetooth_coext_disable(dev); - bcm43xx_phy_early_init(dev); - err = bcm43xx_chip_init(dev); - if (err) - goto err_kfree_tssitbl; - bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, - BCM43xx_SHM_SH_WLCOREREV, - dev->dev->id.revision); - hf = bcm43xx_hf_read(dev); - if (phy->type == BCM43xx_PHYTYPE_G) { - hf |= BCM43xx_HF_SYMW; - if (phy->rev == 1) - hf |= BCM43xx_HF_GDCW; - if (sprom->r1.boardflags_lo & BCM43xx_BFL_PACTRL) - hf |= BCM43xx_HF_OFDMPABOOST; - } else if (phy->type == BCM43xx_PHYTYPE_B) { - hf |= BCM43xx_HF_SYMW; - if (phy->rev >= 2 && phy->radio_ver == 0x2050) - hf &= ~BCM43xx_HF_GDCW; - } - bcm43xx_hf_write(dev, hf); - - /* Short/Long Retry Limit. - * The retry-limit is a 4-bit counter. Enforce this to avoid overflowing - * the chip-internal counter. - */ - tmp = limit_value(modparam_short_retry, 0, 0xF); - bcm43xx_shm_write16(dev, BCM43xx_SHM_SCRATCH, - BCM43xx_SHM_SC_SRLIMIT, tmp); - tmp = limit_value(modparam_long_retry, 0, 0xF); - bcm43xx_shm_write16(dev, BCM43xx_SHM_SCRATCH, - BCM43xx_SHM_SC_LRLIMIT, tmp); - - bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, - BCM43xx_SHM_SH_SFFBLIM, 3); - bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, - BCM43xx_SHM_SH_LFFBLIM, 2); - - bcm43xx_rate_memory_init(dev); - - /* Minimum Contention Window */ - if (phy->type == BCM43xx_PHYTYPE_B) { - bcm43xx_shm_write16(dev, BCM43xx_SHM_SCRATCH, - BCM43xx_SHM_SC_MINCONT, 0x1F); - } else { - bcm43xx_shm_write16(dev, BCM43xx_SHM_SCRATCH, - BCM43xx_SHM_SC_MINCONT, 0xF); - } - /* Maximum Contention Window */ - bcm43xx_shm_write16(dev, BCM43xx_SHM_SCRATCH, - BCM43xx_SHM_SC_MAXCONT, 0x3FF); - - do { - if (bcm43xx_using_pio(dev)) { - err = bcm43xx_pio_init(dev); - } else { - err = bcm43xx_dma_init(dev); - if (!err) - bcm43xx_qos_init(dev); - } - } while (err == -EAGAIN); - if (err) - goto err_chip_exit; - -//FIXME -#if 1 - bcm43xx_write16(dev, 0x0612, 0x0050); - bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, 0x0416, 0x0050); - bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, 0x0414, 0x01F4); -#endif - - bcm43xx_bluetooth_coext_enable(dev); - - ssb_bus_powerup(bus, 1); /* Enable dynamic PCTL */ - wl->bssid = NULL; - bcm43xx_upload_card_macaddress(dev, NULL); - bcm43xx_security_init(dev); - bcm43xx_rng_init(wl); - - bcm43xx_set_status(dev, BCM43xx_STAT_INITIALIZED); - -out: - return err; - -err_chip_exit: - bcm43xx_chip_exit(dev); -err_kfree_tssitbl: - if (phy->dyn_tssi_tbl) - kfree(phy->tssi2dbm); -err_kfree_lo_control: - kfree(phy->lo_control); - phy->lo_control = NULL; -err_busdown: - ssb_bus_may_powerdown(bus); - bcm43xx_set_status(dev, BCM43xx_STAT_UNINIT); - return err; -} - -static int bcm43xx_add_interface(struct ieee80211_hw *hw, - struct ieee80211_if_init_conf *conf) -{ - struct bcm43xx_wl *wl = hw_to_bcm43xx_wl(hw); - struct bcm43xx_wldev *dev; - unsigned long flags; - int err = -EOPNOTSUPP; - int did_init = 0; - - mutex_lock(&wl->mutex); - if ((conf->type != IEEE80211_IF_TYPE_MNTR) && - wl->operating) - goto out_mutex_unlock; - - dprintk(KERN_INFO PFX "Adding Interface type %d\n", conf->type); - - dev = wl->current_dev; - if (bcm43xx_status(dev) == BCM43xx_STAT_UNINIT) { - err = bcm43xx_wireless_core_init(dev); - if (err) - goto out_mutex_unlock; - did_init = 1; - } - if (!dev->started) { - err = bcm43xx_wireless_core_start(dev); - if (err) { - if (did_init) - bcm43xx_wireless_core_exit(dev); - goto out_mutex_unlock; - } - } - - spin_lock_irqsave(&wl->irq_lock, flags); - switch (conf->type) { - case IEEE80211_IF_TYPE_MNTR: - wl->monitor++; - break; - default: - wl->operating = 1; - wl->if_id = conf->if_id; - wl->if_type = conf->type; - bcm43xx_upload_card_macaddress(dev, conf->mac_addr); - } - bcm43xx_adjust_opmode(dev); - spin_unlock_irqrestore(&wl->irq_lock, flags); - - err = 0; -out_mutex_unlock: - mutex_unlock(&wl->mutex); - - return err; -} - -static void bcm43xx_remove_interface(struct ieee80211_hw *hw, - struct ieee80211_if_init_conf *conf) -{ - struct bcm43xx_wl *wl = hw_to_bcm43xx_wl(hw); - struct bcm43xx_wldev *dev; - unsigned long flags; - - dprintk(KERN_INFO PFX "Removing Interface type %d\n", conf->type); - - mutex_lock(&wl->mutex); - if (conf->type == IEEE80211_IF_TYPE_MNTR) { - wl->monitor--; - assert(wl->monitor >= 0); - } else { - assert(wl->operating); - wl->operating = 0; - } - - dev = wl->current_dev; - if (!wl->operating && wl->monitor == 0) { - /* No interface left. */ - if (dev->started) - bcm43xx_wireless_core_stop(dev); - bcm43xx_wireless_core_exit(dev); - } else { - /* Just monitor interfaces left. */ - spin_lock_irqsave(&wl->irq_lock, flags); - bcm43xx_adjust_opmode(dev); - if (!wl->operating) - bcm43xx_upload_card_macaddress(dev, NULL); - spin_unlock_irqrestore(&wl->irq_lock, flags); - } - mutex_unlock(&wl->mutex); -} - - -static const struct ieee80211_ops bcm43xx_hw_ops = { - .tx = bcm43xx_tx, - .conf_tx = bcm43xx_conf_tx, - .add_interface = bcm43xx_add_interface, - .remove_interface = bcm43xx_remove_interface, - .reset = bcm43xx_dev_reset, - .config = bcm43xx_dev_config, - .config_interface = bcm43xx_config_interface, - .set_multicast_list = bcm43xx_set_multicast_list, - .set_key = bcm43xx_dev_set_key, - .get_stats = bcm43xx_get_stats, - .get_tx_stats = bcm43xx_get_tx_stats, -}; - -/* Hard-reset the chip. Do not call this directly. - * Use bcm43xx_controller_restart() - */ -static void bcm43xx_chip_reset(struct work_struct *work) -{ - struct bcm43xx_wldev *dev = - container_of(work, struct bcm43xx_wldev, restart_work); - struct bcm43xx_wl *wl = dev->wl; - int err; - int was_started = 0; - int was_inited = 0; - - mutex_lock(&wl->mutex); - - /* Bring the device down... */ - if (dev->started) { - was_started = 1; - bcm43xx_wireless_core_stop(dev); - } - if (bcm43xx_status(dev) == BCM43xx_STAT_INITIALIZED) { - was_inited = 1; - bcm43xx_wireless_core_exit(dev); - } - - /* ...and up again. */ - if (was_inited) { - err = bcm43xx_wireless_core_init(dev); - if (err) - goto out; - } - if (was_started) { - assert(was_inited); - err = bcm43xx_wireless_core_start(dev); - if (err) { - bcm43xx_wireless_core_exit(dev); - goto out; - } - } -out: - mutex_unlock(&wl->mutex); - if (err) - printk(KERN_ERR PFX "Controller restart FAILED\n"); - else - printk(KERN_INFO PFX "Controller restarted\n"); -} - -static int bcm43xx_setup_modes(struct bcm43xx_wldev *dev, - int have_aphy, - int have_bphy, - int have_gphy) -{ - struct ieee80211_hw *hw = dev->wl->hw; - struct ieee80211_hw_mode *mode; - struct bcm43xx_phy *phy = &dev->phy; - int cnt = 0; - int err; - -/*FIXME: Don't tell ieee80211 about an A-PHY, because we currently don't support A-PHY. */ -have_aphy = 0; - - phy->possible_phymodes = 0; - for ( ; 1; cnt++) { - if (have_aphy) { - assert(cnt < BCM43xx_MAX_PHYHWMODES); - mode = &phy->hwmodes[cnt]; - - mode->mode = MODE_IEEE80211A; - mode->num_channels = bcm43xx_a_chantable_size; - mode->channels = bcm43xx_a_chantable; - mode->num_rates = bcm43xx_a_ratetable_size; - mode->rates = bcm43xx_a_ratetable; - err = ieee80211_register_hwmode(hw, mode); - if (err) - return err; - - phy->possible_phymodes |= BCM43xx_PHYMODE_A; - have_aphy = 0; - continue; - } - if (have_bphy) { - assert(cnt < BCM43xx_MAX_PHYHWMODES); - mode = &phy->hwmodes[cnt]; - - mode->mode = MODE_IEEE80211B; - mode->num_channels = bcm43xx_bg_chantable_size; - mode->channels = bcm43xx_bg_chantable; - mode->num_rates = bcm43xx_b_ratetable_size; - mode->rates = bcm43xx_b_ratetable; - err = ieee80211_register_hwmode(hw, mode); - if (err) - return err; - - phy->possible_phymodes |= BCM43xx_PHYMODE_B; - have_bphy = 0; - continue; - } - if (have_gphy) { - assert(cnt < BCM43xx_MAX_PHYHWMODES); - mode = &phy->hwmodes[cnt]; - - mode->mode = MODE_IEEE80211G; - mode->num_channels = bcm43xx_bg_chantable_size; - mode->channels = bcm43xx_bg_chantable; - mode->num_rates = bcm43xx_g_ratetable_size; - mode->rates = bcm43xx_g_ratetable; - err = ieee80211_register_hwmode(hw, mode); - if (err) - return err; - - phy->possible_phymodes |= BCM43xx_PHYMODE_G; - have_gphy = 0; - continue; - } - break; - } - - return 0; -} - -static void bcm43xx_wireless_core_detach(struct bcm43xx_wldev *dev) -{ - /* We release firmware that late to not be required to re-request - * is all the time when we reinit the core. */ - bcm43xx_release_firmware(dev); -} - -static int bcm43xx_wireless_core_attach(struct bcm43xx_wldev *dev) -{ - struct bcm43xx_wl *wl = dev->wl; - struct ssb_bus *bus = dev->dev->bus; - struct pci_dev *pdev = bus->host_pci; - int err; - int have_aphy = 0, have_bphy = 0, have_gphy = 0; - u32 tmp; - - /* Do NOT do any device initialization here. - * Do it in wireless_core_init() instead. - * This function is for gathering basic information about the HW, only. - * Also some structs may be set up here. But most likely you want to have - * that in core_init(), too. - */ - - /* Get the PHY type. */ - if (dev->dev->id.revision >= 5) { - u32 tmshigh; - - tmshigh = ssb_read32(dev->dev, SSB_TMSHIGH); - have_aphy = !!(tmshigh & BCM43xx_TMSHIGH_APHY); - have_gphy = !!(tmshigh & BCM43xx_TMSHIGH_GPHY); - if (!have_aphy && !have_gphy) - have_bphy = 1; - } else if (dev->dev->id.revision == 4) { - have_gphy = 1; - have_aphy = 1; - } else - have_bphy = 1; - - /* Initialize LEDs structs. */ - err = bcm43xx_leds_init(dev); - if (err) - goto out; - - dev->phy.gmode = (have_gphy || have_bphy); - tmp = dev->phy.gmode ? BCM43xx_TMSLOW_GMODE : 0; - bcm43xx_wireless_core_reset(dev, tmp); - - err = bcm43xx_phy_versioning(dev); - if (err) - goto err_leds_exit; - /* Check if this device supports multiband. */ - if (!pdev || - (pdev->device != 0x4312 && - pdev->device != 0x4319 && - pdev->device != 0x4324)) { - /* No multiband support. */ - have_aphy = 0; - have_bphy = 0; - have_gphy = 0; - switch (dev->phy.type) { - case BCM43xx_PHYTYPE_A: - have_aphy = 1; - break; - case BCM43xx_PHYTYPE_B: - have_bphy = 1; - break; - case BCM43xx_PHYTYPE_G: - have_gphy = 1; - break; - default: - assert(0); - } - } - dev->phy.gmode = (have_gphy || have_bphy); - tmp = dev->phy.gmode ? BCM43xx_TMSLOW_GMODE : 0; - bcm43xx_wireless_core_reset(dev, tmp); - - err = bcm43xx_validate_chipaccess(dev); - if (err) - goto err_leds_exit; - err = bcm43xx_setup_modes(dev, have_aphy, - have_bphy, have_gphy); - if (err) - goto err_leds_exit; - - /* Now set some default "current_dev" */ - if (!wl->current_dev) - wl->current_dev = dev; - INIT_WORK(&dev->restart_work, bcm43xx_chip_reset); - - bcm43xx_radio_turn_off(dev); - bcm43xx_switch_analog(dev, 0); - ssb_device_disable(dev->dev, 0); - ssb_bus_may_powerdown(bus); - -out: - return err; - -err_leds_exit: - bcm43xx_leds_exit(dev); - return err; -} - -static void bcm43xx_one_core_detach(struct ssb_device *dev) -{ - struct bcm43xx_wldev *wldev; - struct bcm43xx_wl *wl; - - wldev = ssb_get_drvdata(dev); - wl = wldev->wl; - bcm43xx_debugfs_remove_device(wldev); - bcm43xx_wireless_core_detach(wldev); - list_del(&wldev->list); - wl->nr_devs--; - ssb_set_drvdata(dev, NULL); - kfree(wldev); -} - -static int bcm43xx_one_core_attach(struct ssb_device *dev, - struct bcm43xx_wl *wl) -{ - struct bcm43xx_wldev *wldev; - struct pci_dev *pdev; - int err = -ENOMEM; - - if (!list_empty(&wl->devlist)) { - /* We are not the first core on this chip. */ - pdev = dev->bus->host_pci; - /* Only special chips support more than one wireless - * core, although some of the other chips have more than - * one wireless core as well. Check for this and - * bail out early. - */ - if (!pdev || - ((pdev->device != 0x4321) && - (pdev->device != 0x4313) && - (pdev->device != 0x431A))) { - dprintk(KERN_INFO PFX "Ignoring unconnected 802.11 core\n"); - return -ENODEV; - } - } - - wldev = kzalloc(sizeof(*wldev), GFP_KERNEL); - if (!wldev) - goto out; - - wldev->dev = dev; - wldev->wl = wl; - bcm43xx_set_status(wldev, BCM43xx_STAT_UNINIT); - wldev->bad_frames_preempt = modparam_bad_frames_preempt; - tasklet_init(&wldev->isr_tasklet, - (void (*)(unsigned long))bcm43xx_interrupt_tasklet, - (unsigned long)wldev); - if (modparam_pio) - wldev->__using_pio = 1; - INIT_LIST_HEAD(&wldev->list); - - err = bcm43xx_wireless_core_attach(wldev); - if (err) - goto err_kfree_wldev; - - list_add(&wldev->list, &wl->devlist); - wl->nr_devs++; - ssb_set_drvdata(dev, wldev); - bcm43xx_debugfs_add_device(wldev); - -out: - return err; - -err_kfree_wldev: - kfree(wldev); - return err; -} - -static void bcm43xx_sprom_fixup(struct ssb_bus *bus) -{ - /* boardflags workarounds */ - if (bus->boardinfo.vendor == SSB_BOARDVENDOR_DELL && - bus->chip_id == 0x4301 && - bus->boardinfo.rev == 0x74) - bus->sprom.r1.boardflags_lo |= BCM43xx_BFL_BTCOEXIST; - if (bus->boardinfo.vendor == PCI_VENDOR_ID_APPLE && - bus->boardinfo.type == 0x4E && - bus->boardinfo.rev > 0x40) - bus->sprom.r1.boardflags_lo |= BCM43xx_BFL_PACTRL; - - /* Convert Antennagain values to Q5.2 */ - bus->sprom.r1.antenna_gain_a <<= 2; - bus->sprom.r1.antenna_gain_bg <<= 2; -} - -static void bcm43xx_wireless_exit(struct ssb_device *dev, - struct bcm43xx_wl *wl) -{ - struct ieee80211_hw *hw = wl->hw; - - ssb_set_devtypedata(dev, NULL); - ieee80211_free_hw(hw); -} - -static int bcm43xx_wireless_init(struct ssb_device *dev) -{ - struct ssb_sprom *sprom = &dev->bus->sprom; - struct ieee80211_hw *hw; - struct bcm43xx_wl *wl; - int err = -ENOMEM; - - bcm43xx_sprom_fixup(dev->bus); - - hw = ieee80211_alloc_hw(sizeof(*wl), &bcm43xx_hw_ops); - if (!hw) { - printk(KERN_ERR PFX "Could not allocate ieee80211 device\n"); - goto out; - } - - /* fill hw info */ - hw->flags = IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE | - IEEE80211_HW_MONITOR_DURING_OPER | - IEEE80211_HW_DEVICE_HIDES_WEP | - IEEE80211_HW_WEP_INCLUDE_IV; - hw->max_signal = 100; - hw->max_rssi = -110; - hw->max_noise = -110; - hw->queues = 1; /* FIXME: hardware has more queues */ - SET_IEEE80211_DEV(hw, dev->dev); - if (is_valid_ether_addr(sprom->r1.et1mac)) - SET_IEEE80211_PERM_ADDR(hw, sprom->r1.et1mac); - else - SET_IEEE80211_PERM_ADDR(hw, sprom->r1.il0mac); - - /* Get and initialize struct bcm43xx_wl */ - wl = hw_to_bcm43xx_wl(hw); - memset(wl, 0, sizeof(*wl)); - wl->hw = hw; - spin_lock_init(&wl->irq_lock); - spin_lock_init(&wl->leds_lock); - mutex_init(&wl->mutex); - INIT_LIST_HEAD(&wl->devlist); - - ssb_set_devtypedata(dev, wl); - printk(KERN_INFO PFX "Broadcom %04X WLAN found\n", dev->bus->chip_id); - err = 0; -out: - return err; -} - -static int bcm43xx_probe(struct ssb_device *dev, - const struct ssb_device_id *id) -{ - struct bcm43xx_wl *wl; - int err; - int first = 0; - - wl = ssb_get_devtypedata(dev); - if (!wl) { - /* Probing the first core. Must setup common struct bcm43xx_wl */ - first = 1; - err = bcm43xx_wireless_init(dev); - if (err) - goto out; - wl = ssb_get_devtypedata(dev); - assert(wl); - } - err = bcm43xx_one_core_attach(dev, wl); - if (err) - goto err_wireless_exit; - - if (first) { - err = ieee80211_register_hw(wl->hw); - if (err) - goto err_one_core_detach; - } - -out: - return err; - -err_one_core_detach: - bcm43xx_one_core_detach(dev); -err_wireless_exit: - if (first) - bcm43xx_wireless_exit(dev, wl); - return err; -} - -static void bcm43xx_remove(struct ssb_device *dev) -{ - struct bcm43xx_wl *wl = ssb_get_devtypedata(dev); - struct bcm43xx_wldev *wldev = ssb_get_drvdata(dev); - - assert(wl); - if (wl->current_dev == wldev) - ieee80211_unregister_hw(wl->hw); - - bcm43xx_one_core_detach(dev); - - if (list_empty(&wl->devlist)) { - /* Last core on the chip unregistered. - * We can destroy common struct bcm43xx_wl. - */ - bcm43xx_wireless_exit(dev, wl); - } -} - -/* Hard-reset the chip. - * This can be called from interrupt or process context. - * dev->irq_lock must be locked. - */ -void bcm43xx_controller_restart(struct bcm43xx_wldev *dev, const char *reason) -{ - if (bcm43xx_status(dev) != BCM43xx_STAT_INITIALIZED) - return; - printk(KERN_ERR PFX "Controller RESET (%s) ...\n", reason); - queue_work(dev->wl->hw->workqueue, &dev->restart_work); -} - -#ifdef CONFIG_PM - -static int bcm43xx_suspend(struct ssb_device *dev, pm_message_t state) -{ - struct bcm43xx_wldev *wldev = ssb_get_drvdata(dev); - struct bcm43xx_wl *wl = wldev->wl; - - dprintk(KERN_INFO PFX "Suspending...\n"); - - mutex_lock(&wl->mutex); - wldev->was_started = !!wldev->started; - wldev->was_initialized = (bcm43xx_status(wldev) == BCM43xx_STAT_INITIALIZED); - if (wldev->started) - bcm43xx_wireless_core_stop(wldev); - if (bcm43xx_status(wldev) == BCM43xx_STAT_INITIALIZED) - bcm43xx_wireless_core_exit(wldev); - - mutex_unlock(&wl->mutex); - - dprintk(KERN_INFO PFX "Device suspended.\n"); - - return 0; -} - -static int bcm43xx_resume(struct ssb_device *dev) -{ - struct bcm43xx_wldev *wldev = ssb_get_drvdata(dev); - int err = 0; - - dprintk(KERN_INFO PFX "Resuming...\n"); - - if (wldev->was_initialized) { - err = bcm43xx_wireless_core_init(wldev); - if (err) { - printk(KERN_ERR PFX "Resume failed at core init\n"); - goto out; - } - } - if (wldev->was_started) { - assert(wldev->was_initialized); - err = bcm43xx_wireless_core_start(wldev); - if (err) { - printk(KERN_ERR PFX "Resume failed at core start\n"); - goto out; - } - } - - dprintk(KERN_INFO PFX "Device resumed.\n"); -out: - return err; -} - -#else /* CONFIG_PM */ -# define bcm43xx_suspend NULL -# define bcm43xx_resume NULL -#endif /* CONFIG_PM */ - -static struct ssb_driver bcm43xx_ssb_driver = { - .name = KBUILD_MODNAME, - .id_table = bcm43xx_ssb_tbl, - .probe = bcm43xx_probe, - .remove = bcm43xx_remove, - .suspend = bcm43xx_suspend, - .resume = bcm43xx_resume, -}; - -#ifdef CONFIG_BCM43XX_MAC80211_PCI -/* The PCI frontend stub */ -static const struct pci_device_id bcm43xx_pci_tbl[] = { - { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4307) }, - { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4311) }, - { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4312) }, - { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4318) }, - { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4319) }, - { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4320) }, - { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4321) }, - { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4324) }, - { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4325) }, - { 0 }, -}; -MODULE_DEVICE_TABLE(pci, bcm43xx_pci_tbl); - -static struct pci_driver bcm43xx_pci_driver = { - .name = "bcm43xx-pci", - .id_table = bcm43xx_pci_tbl, -}; -#endif /* CONFIG_BCM43XX_MAC80211_PCI */ - -static int __init bcm43xx_init(void) -{ - int err; - - bcm43xx_debugfs_init(); -#ifdef CONFIG_BCM43XX_MAC80211_PCI - err = ssb_pcihost_register(&bcm43xx_pci_driver); - if (err) - goto err_dfs_exit; -#endif - err = bcm43xx_pcmcia_init(); - if (err) - goto err_pci_exit; - err = ssb_driver_register(&bcm43xx_ssb_driver); - if (err) - goto err_pcmcia_exit; - - return err; - -err_pcmcia_exit: - bcm43xx_pcmcia_exit(); -err_pci_exit: -#ifdef CONFIG_BCM43XX_MAC80211_PCI - ssb_pcihost_unregister(&bcm43xx_pci_driver); -#endif -err_dfs_exit: - bcm43xx_debugfs_exit(); - return err; -} - -static void __exit bcm43xx_exit(void) -{ - ssb_driver_unregister(&bcm43xx_ssb_driver); - bcm43xx_pcmcia_exit(); -#ifdef CONFIG_BCM43XX_MAC80211_PCI - ssb_pcihost_unregister(&bcm43xx_pci_driver); -#endif - bcm43xx_debugfs_exit(); -} - -module_init(bcm43xx_init) -module_exit(bcm43xx_exit) |