+++ /dev/null
-/*
-
- 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)
projects / openwrt.git / blobdiff