This if file 5 of 10 of the port of the bcm43xx driver from softmac to mac80211. Signed-off-by: Larry Finger <Larry.Finger@xxxxxxxxxxxx> --- Index: linux-2.6/drivers/net/wireless/bcm43xx/bcm43xx_main.c =================================================================== --- linux-2.6.orig/drivers/net/wireless/bcm43xx/bcm43xx_main.c +++ linux-2.6/drivers/net/wireless/bcm43xx/bcm43xx_main.c @@ -1,32 +1,33 @@ /* - - Broadcom BCM43xx wireless driver - - Copyright (c) 2005 Martin Langer <martin-langer@xxxxxx>, - Stefano Brivio <st3@xxxxxxxxxx> - Michael Buesch <mbuesch@xxxxxxxxxx> - Danny van Dyk <kugelfang@xxxxxxxxxx> - Andreas Jaggi <andreas.jaggi@xxxxxxxxxxxx> - - 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. - -*/ + * + * Broadcom BCM43xx wireless driver + * + * Copyright (c) 2005 Martin Langer <martin-langer@xxxxxx> + * Copyright (c) 2005 Stefano Brivio <st3@xxxxxxxxxx> + * Copyright (c) 2005, 2006 Michael Buesch <mb@xxxxxxxxx> + * Copyright (c) 2005 Danny van Dyk <kugelfang@xxxxxxxxxx> + * Copyright (c) 2005 Andreas Jaggi <andreas.jaggi@xxxxxxxxxxxx> + * Copyright (c) 2007 Larry Finger <Larry.Finger@xxxxxxxxxxxx> + * + * 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> @@ -39,20 +40,17 @@ #include <linux/workqueue.h> #include <linux/skbuff.h> #include <linux/dma-mapping.h> -#include <net/iw_handler.h> +#include <net/dst.h> #include "bcm43xx.h" #include "bcm43xx_main.h" #include "bcm43xx_debugfs.h" -#include "bcm43xx_radio.h" #include "bcm43xx_phy.h" #include "bcm43xx_dma.h" #include "bcm43xx_pio.h" -#include "bcm43xx_power.h" -#include "bcm43xx_wx.h" -#include "bcm43xx_ethtool.h" -#include "bcm43xx_xmit.h" #include "bcm43xx_sysfs.h" +#include "bcm43xx_xmit.h" +#include "bcm43xx_radio.h" MODULE_DESCRIPTION("Broadcom BCM43xx wireless driver"); @@ -83,80 +81,177 @@ static int modparam_long_retry = BCM43xx module_param_named(long_retry, modparam_long_retry, int, 0444); MODULE_PARM_DESC(long_retry, "Long-Retry-Limit (0 - 15)"); -static int modparam_locale = -1; -module_param_named(locale, modparam_locale, int, 0444); -MODULE_PARM_DESC(country, "Select LocaleCode 0-11 (For travelers)"); - static int modparam_noleds; module_param_named(noleds, modparam_noleds, int, 0444); MODULE_PARM_DESC(noleds, "Turn off all LED activity"); -static char modparam_fwpostfix[64]; -module_param_string(fwpostfix, modparam_fwpostfix, 64, 0444); -MODULE_PARM_DESC(fwpostfix, "Postfix for .fw files. Useful for using multiple firmware image versions."); +static char modparam_fwpostfix[16] = {".fw3"}; +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); -/* If you want to debug with just a single device, enable this, - * where the string is the pci device ID (as given by the kernel's - * pci_name function) of the device to be used. - */ -//#define DEBUG_SINGLE_DEVICE_ONLY "0001:11:00.0" +/* 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_100KBPS(_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) -/* If you want to enable printing of each MMIO access, enable this. */ -//#define DEBUG_ENABLE_MMIO_PRINT +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); -/* If you want to enable printing of MMIO access within - * ucode/pcm upload, initvals write, enable this. - */ -//#define DEBUG_ENABLE_UCODE_MMIO_PRINT -/* If you want to enable printing of PCI Config Space access, enable this */ -//#define DEBUG_ENABLE_PCILOG +static int bcm43xx_ratelimit(struct bcm43xx_wl *wl) +{ + if (!wl || !wl->current_dev) + return 1; + if (bcm43xx_status(wl->current_dev) < BCM43xx_STAT_STARTED) + return 1; + /* We are up and running. + * Ratelimit the messages to avoid DoS over the net. */ + return net_ratelimit(); +} + +void bcminfo(struct bcm43xx_wl *wl, const char *fmt, ...) +{ + va_list args; + if (!bcm43xx_ratelimit(wl)) + return; + va_start(args, fmt); + printk(KERN_INFO "bcm43xx-%s: ", + (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan"); + vprintk(fmt, args); + va_end(args); +} -/* Detailed list maintained at: - * http://openfacts.berlios.de/index-en.phtml?title=Bcm43xxDevices - */ - static struct pci_device_id bcm43xx_pci_tbl[] = { - /* Broadcom 4303 802.11b */ - { PCI_VENDOR_ID_BROADCOM, 0x4301, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - /* Broadcom 4307 802.11b */ - { PCI_VENDOR_ID_BROADCOM, 0x4307, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - /* Broadcom 4311 802.11(a)/b/g */ - { PCI_VENDOR_ID_BROADCOM, 0x4311, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - /* Broadcom 4312 802.11a/b/g */ - { PCI_VENDOR_ID_BROADCOM, 0x4312, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - /* Broadcom 4318 802.11b/g */ - { PCI_VENDOR_ID_BROADCOM, 0x4318, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - /* Broadcom 4319 802.11a/b/g */ - { PCI_VENDOR_ID_BROADCOM, 0x4319, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - /* Broadcom 4306 802.11b/g */ - { PCI_VENDOR_ID_BROADCOM, 0x4320, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - /* Broadcom 4306 802.11a */ -// { PCI_VENDOR_ID_BROADCOM, 0x4321, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - /* Broadcom 4309 802.11a/b/g */ - { PCI_VENDOR_ID_BROADCOM, 0x4324, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - /* Broadcom 43XG 802.11b/g */ - { PCI_VENDOR_ID_BROADCOM, 0x4325, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - { 0 }, -}; -MODULE_DEVICE_TABLE(pci, bcm43xx_pci_tbl); +void bcmerr(struct bcm43xx_wl *wl, const char *fmt, ...) +{ + va_list args; + + if (!bcm43xx_ratelimit(wl)) + return; + va_start(args, fmt); + printk(KERN_ERR "bcm43xx-%s ERROR: ", + (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan"); + vprintk(fmt, args); + va_end(args); +} + +void bcmwarn(struct bcm43xx_wl *wl, const char *fmt, ...) +{ + va_list args; + + if (!bcm43xx_ratelimit(wl)) + return; + va_start(args, fmt); + printk(KERN_WARNING "bcm43xx-%s warning: ", + (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan"); + vprintk(fmt, args); + va_end(args); +} + +#if BCM43xx_DEBUG +void bcmdbg(struct bcm43xx_wl *wl, const char *fmt, ...) +{ + va_list args; + + va_start(args, fmt); + printk(KERN_DEBUG "bcm43xx-%s debug: ", + (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan"); + vprintk(fmt, args); + va_end(args); +} +#endif /* DEBUG */ -static void bcm43xx_ram_write(struct bcm43xx_private *bcm, u16 offset, u32 val) +static void bcm43xx_ram_write(struct bcm43xx_wldev *dev, u16 offset, u32 val) { u32 status; - status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); - if (!(status & BCM43xx_SBF_XFER_REG_BYTESWAP)) + BCM43xx_WARN_ON(offset % 4 != 0); + + status = bcm43xx_read32(dev, BCM43xx_MMIO_STATUS_BITFIELD); + if (status & BCM43xx_SBF_XFER_REG_BYTESWAP) val = swab32(val); - bcm43xx_write32(bcm, BCM43xx_MMIO_RAM_CONTROL, offset); + bcm43xx_write32(dev, BCM43xx_MMIO_RAM_CONTROL, offset); mmiowb(); - bcm43xx_write32(bcm, BCM43xx_MMIO_RAM_DATA, val); + bcm43xx_write32(dev, BCM43xx_MMIO_RAM_DATA, val); } static inline -void bcm43xx_shm_control_word(struct bcm43xx_private *bcm, +void bcm43xx_shm_control_word(struct bcm43xx_wldev *dev, u16 routing, u16 offset) { u32 control; @@ -166,100 +261,134 @@ void bcm43xx_shm_control_word(struct bcm control = routing; control <<= 16; control |= offset; - bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_CONTROL, control); + bcm43xx_write32(dev, BCM43xx_MMIO_SHM_CONTROL, control); } -u32 bcm43xx_shm_read32(struct bcm43xx_private *bcm, +u32 bcm43xx_shm_read32(struct bcm43xx_wldev *dev, u16 routing, u16 offset) { u32 ret; if (routing == BCM43xx_SHM_SHARED) { + BCM43xx_WARN_ON((offset & 0x0001) != 0); if (offset & 0x0003) { /* Unaligned access */ - bcm43xx_shm_control_word(bcm, routing, offset >> 2); - ret = bcm43xx_read16(bcm, BCM43xx_MMIO_SHM_DATA_UNALIGNED); + bcm43xx_shm_control_word(dev, routing, offset >> 2); + ret = bcm43xx_read16(dev, + BCM43xx_MMIO_SHM_DATA_UNALIGNED); ret <<= 16; - bcm43xx_shm_control_word(bcm, routing, (offset >> 2) + 1); - ret |= bcm43xx_read16(bcm, BCM43xx_MMIO_SHM_DATA); + 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(bcm, routing, offset); - ret = bcm43xx_read32(bcm, BCM43xx_MMIO_SHM_DATA); + bcm43xx_shm_control_word(dev, routing, offset); + ret = bcm43xx_read32(dev, BCM43xx_MMIO_SHM_DATA); return ret; } -u16 bcm43xx_shm_read16(struct bcm43xx_private *bcm, +u16 bcm43xx_shm_read16(struct bcm43xx_wldev *dev, u16 routing, u16 offset) { u16 ret; if (routing == BCM43xx_SHM_SHARED) { + BCM43xx_WARN_ON((offset & 0x0001) != 0); if (offset & 0x0003) { /* Unaligned access */ - bcm43xx_shm_control_word(bcm, routing, offset >> 2); - ret = bcm43xx_read16(bcm, BCM43xx_MMIO_SHM_DATA_UNALIGNED); + 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(bcm, routing, offset); - ret = bcm43xx_read16(bcm, BCM43xx_MMIO_SHM_DATA); + bcm43xx_shm_control_word(dev, routing, offset); + ret = bcm43xx_read16(dev, BCM43xx_MMIO_SHM_DATA); return ret; } -void bcm43xx_shm_write32(struct bcm43xx_private *bcm, +void bcm43xx_shm_write32(struct bcm43xx_wldev *dev, u16 routing, u16 offset, u32 value) { if (routing == BCM43xx_SHM_SHARED) { + BCM43xx_WARN_ON((offset & 0x0001) != 0); if (offset & 0x0003) { /* Unaligned access */ - bcm43xx_shm_control_word(bcm, routing, offset >> 2); + bcm43xx_shm_control_word(dev, routing, offset >> 2); mmiowb(); - bcm43xx_write16(bcm, BCM43xx_MMIO_SHM_DATA_UNALIGNED, + bcm43xx_write16(dev, BCM43xx_MMIO_SHM_DATA_UNALIGNED, (value >> 16) & 0xffff); mmiowb(); - bcm43xx_shm_control_word(bcm, routing, (offset >> 2) + 1); + bcm43xx_shm_control_word(dev, routing, + (offset >> 2) + 1); mmiowb(); - bcm43xx_write16(bcm, BCM43xx_MMIO_SHM_DATA, + bcm43xx_write16(dev, BCM43xx_MMIO_SHM_DATA, value & 0xffff); return; } offset >>= 2; } - bcm43xx_shm_control_word(bcm, routing, offset); + bcm43xx_shm_control_word(dev, routing, offset); mmiowb(); - bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_DATA, value); + bcm43xx_write32(dev, BCM43xx_MMIO_SHM_DATA, value); } -void bcm43xx_shm_write16(struct bcm43xx_private *bcm, +void bcm43xx_shm_write16(struct bcm43xx_wldev *dev, u16 routing, u16 offset, u16 value) { if (routing == BCM43xx_SHM_SHARED) { + BCM43xx_WARN_ON((offset & 0x0001) != 0); if (offset & 0x0003) { /* Unaligned access */ - bcm43xx_shm_control_word(bcm, routing, offset >> 2); + bcm43xx_shm_control_word(dev, routing, offset >> 2); mmiowb(); - bcm43xx_write16(bcm, BCM43xx_MMIO_SHM_DATA_UNALIGNED, + bcm43xx_write16(dev, BCM43xx_MMIO_SHM_DATA_UNALIGNED, value); return; } offset >>= 2; } - bcm43xx_shm_control_word(bcm, routing, offset); + bcm43xx_shm_control_word(dev, routing, offset); mmiowb(); - bcm43xx_write16(bcm, BCM43xx_MMIO_SHM_DATA, value); + 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_private *bcm, u64 *tsf) +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. @@ -267,13 +396,16 @@ void bcm43xx_tsf_read(struct bcm43xx_pri * We try to be atomic here, by restaring the read process, * if any of the high registers changed (overflew). */ - if (bcm->current_core->rev >= 3) { + if (dev->dev->id.revision >= 3) { u32 low, high, high2; do { - high = bcm43xx_read32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_HIGH); - low = bcm43xx_read32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_LOW); - high2 = bcm43xx_read32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_HIGH); + 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; @@ -285,14 +417,14 @@ void bcm43xx_tsf_read(struct bcm43xx_pri u16 test1, test2, test3; do { - v3 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_3); - v2 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_2); - v1 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_1); - v0 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_0); - - test3 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_3); - test2 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_2); - test1 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_1); + 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; @@ -307,172 +439,159 @@ void bcm43xx_tsf_read(struct bcm43xx_pri } } -void bcm43xx_tsf_write(struct bcm43xx_private *bcm, u64 tsf) +static void bcm43xx_time_lock(struct bcm43xx_wldev *dev) { u32 status; - status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); + status = bcm43xx_read32(dev, BCM43xx_MMIO_STATUS_BITFIELD); status |= BCM43xx_SBF_TIME_UPDATE; - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status); + 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 (bcm->current_core->rev >= 3) { + if (dev->dev->id.revision >= 3) { u32 lo = (tsf & 0x00000000FFFFFFFFULL); u32 hi = (tsf & 0xFFFFFFFF00000000ULL) >> 32; - bcm43xx_write32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_LOW, 0); + bcm43xx_write32(dev, BCM43xx_MMIO_REV3PLUS_TSF_LOW, 0); mmiowb(); - bcm43xx_write32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_HIGH, hi); + bcm43xx_write32(dev, BCM43xx_MMIO_REV3PLUS_TSF_HIGH, hi); mmiowb(); - bcm43xx_write32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_LOW, lo); + 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(bcm, BCM43xx_MMIO_TSF_0, 0); + bcm43xx_write16(dev, BCM43xx_MMIO_TSF_0, 0); mmiowb(); - bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_3, v3); + bcm43xx_write16(dev, BCM43xx_MMIO_TSF_3, v3); mmiowb(); - bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_2, v2); + bcm43xx_write16(dev, BCM43xx_MMIO_TSF_2, v2); mmiowb(); - bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_1, v1); + bcm43xx_write16(dev, BCM43xx_MMIO_TSF_1, v1); mmiowb(); - bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_0, v0); + bcm43xx_write16(dev, BCM43xx_MMIO_TSF_0, v0); } +} - status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); - status &= ~BCM43xx_SBF_TIME_UPDATE; - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status); +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_private *bcm, +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(bcm, BCM43xx_MMIO_MACFILTER_CONTROL, offset); + bcm43xx_write16(dev, BCM43xx_MMIO_MACFILTER_CONTROL, offset); data = mac[0]; data |= mac[1] << 8; - bcm43xx_write16(bcm, BCM43xx_MMIO_MACFILTER_DATA, data); + bcm43xx_write16(dev, BCM43xx_MMIO_MACFILTER_DATA, data); data = mac[2]; data |= mac[3] << 8; - bcm43xx_write16(bcm, BCM43xx_MMIO_MACFILTER_DATA, data); + bcm43xx_write16(dev, BCM43xx_MMIO_MACFILTER_DATA, data); data = mac[4]; data |= mac[5] << 8; - bcm43xx_write16(bcm, BCM43xx_MMIO_MACFILTER_DATA, data); -} - -static void bcm43xx_macfilter_clear(struct bcm43xx_private *bcm, - u16 offset) -{ - const u8 zero_addr[ETH_ALEN] = { 0 }; - - bcm43xx_macfilter_set(bcm, offset, zero_addr); + bcm43xx_write16(dev, BCM43xx_MMIO_MACFILTER_DATA, data); } -static void bcm43xx_write_mac_bssid_templates(struct bcm43xx_private *bcm) +static void bcm43xx_write_mac_bssid_templates(struct bcm43xx_wldev *dev) { - const u8 *mac = (const u8 *)(bcm->net_dev->dev_addr); - const u8 *bssid = (const u8 *)(bcm->ieee->bssid); + static const u8 zero_addr[ETH_ALEN] = { 0 }; + const u8 *mac = dev->wl->mac_addr; + const u8 *bssid = dev->wl->bssid; u8 mac_bssid[ETH_ALEN * 2]; int i; + u32 tmp; + + if (!bssid) + bssid = zero_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)) - bcm43xx_ram_write(bcm, 0x20 + i, *((u32 *)(mac_bssid + i))); - for (i = 0; i < ARRAY_SIZE(mac_bssid); i += sizeof(u32)) - bcm43xx_ram_write(bcm, 0x78 + i, *((u32 *)(mac_bssid + i))); - for (i = 0; i < ARRAY_SIZE(mac_bssid); i += sizeof(u32)) - bcm43xx_ram_write(bcm, 0x478 + i, *((u32 *)(mac_bssid + i))); -} - -//FIXME: Well, we should probably call them from somewhere. -#if 0 -static void bcm43xx_set_slot_time(struct bcm43xx_private *bcm, u16 slot_time) -{ - /* slot_time is in usec. */ - if (bcm43xx_current_phy(bcm)->type != BCM43xx_PHYTYPE_G) - return; - bcm43xx_write16(bcm, 0x684, 510 + slot_time); - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0010, slot_time); + 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); + bcm43xx_ram_write(dev, 0x78 + i, tmp); + bcm43xx_ram_write(dev, 0x478 + i, tmp); + } } -static void bcm43xx_short_slot_timing_enable(struct bcm43xx_private *bcm) +static void bcm43xx_upload_card_macaddress(struct bcm43xx_wldev *dev, + const u8 *mac_addr) { - bcm43xx_set_slot_time(bcm, 9); + dev->wl->mac_addr = mac_addr; + bcm43xx_write_mac_bssid_templates(dev); + bcm43xx_macfilter_set(dev, BCM43xx_MACFILTER_SELF, mac_addr); } -static void bcm43xx_short_slot_timing_disable(struct bcm43xx_private *bcm) +static void bcm43xx_set_slot_time(struct bcm43xx_wldev *dev, u16 slot_time) { - bcm43xx_set_slot_time(bcm, 20); + /* 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); } -#endif -/* FIXME: To get the MAC-filter working, we need to implement the - * following functions (and rename them :) - */ -#if 0 -static void bcm43xx_disassociate(struct bcm43xx_private *bcm) +static void bcm43xx_short_slot_timing_enable(struct bcm43xx_wldev *dev) { - bcm43xx_mac_suspend(bcm); - bcm43xx_macfilter_clear(bcm, BCM43xx_MACFILTER_ASSOC); - - bcm43xx_ram_write(bcm, 0x0026, 0x0000); - bcm43xx_ram_write(bcm, 0x0028, 0x0000); - bcm43xx_ram_write(bcm, 0x007E, 0x0000); - bcm43xx_ram_write(bcm, 0x0080, 0x0000); - bcm43xx_ram_write(bcm, 0x047E, 0x0000); - bcm43xx_ram_write(bcm, 0x0480, 0x0000); - - if (bcm->current_core->rev < 3) { - bcm43xx_write16(bcm, 0x0610, 0x8000); - bcm43xx_write16(bcm, 0x060E, 0x0000); - } else - bcm43xx_write32(bcm, 0x0188, 0x80000000); - - bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0004, 0x000003ff); - - if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_G && - ieee80211_is_ofdm_rate(bcm->softmac->txrates.default_rate)) - bcm43xx_short_slot_timing_enable(bcm); - - bcm43xx_mac_enable(bcm); + bcm43xx_set_slot_time(dev, 9); + dev->short_slot = 1; } -static void bcm43xx_associate(struct bcm43xx_private *bcm, - const u8 *mac) +static void bcm43xx_short_slot_timing_disable(struct bcm43xx_wldev *dev) { - memcpy(bcm->ieee->bssid, mac, ETH_ALEN); - - bcm43xx_mac_suspend(bcm); - bcm43xx_macfilter_set(bcm, BCM43xx_MACFILTER_ASSOC, mac); - bcm43xx_write_mac_bssid_templates(bcm); - bcm43xx_mac_enable(bcm); + bcm43xx_set_slot_time(dev, 20); + dev->short_slot = 0; } -#endif /* Enable a Generic IRQ. "mask" is the mask of which IRQs to enable. * Returns the _previously_ enabled IRQ mask. */ -static inline u32 bcm43xx_interrupt_enable(struct bcm43xx_private *bcm, u32 mask) +static inline u32 bcm43xx_interrupt_enable(struct bcm43xx_wldev *dev, u32 mask) { u32 old_mask; - old_mask = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK); - bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK, old_mask | mask); + old_mask = bcm43xx_read32(dev, BCM43xx_MMIO_GEN_IRQ_MASK); + bcm43xx_write32(dev, BCM43xx_MMIO_GEN_IRQ_MASK, old_mask | mask); return old_mask; } @@ -480,12 +599,12 @@ static inline u32 bcm43xx_interrupt_enab /* Disable a Generic IRQ. "mask" is the mask of which IRQs to disable. * Returns the _previously_ enabled IRQ mask. */ -static inline u32 bcm43xx_interrupt_disable(struct bcm43xx_private *bcm, u32 mask) +static inline u32 bcm43xx_interrupt_disable(struct bcm43xx_wldev *dev, u32 mask) { u32 old_mask; - old_mask = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK); - bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK, old_mask & ~mask); + old_mask = bcm43xx_read32(dev, BCM43xx_MMIO_GEN_IRQ_MASK); + bcm43xx_write32(dev, BCM43xx_MMIO_GEN_IRQ_MASK, old_mask & ~mask); return old_mask; } @@ -494,982 +613,364 @@ static inline u32 bcm43xx_interrupt_disa * IRQs must be masked before calling this. * This must not be called with the irq_lock held. */ -static void bcm43xx_synchronize_irq(struct bcm43xx_private *bcm) -{ - synchronize_irq(bcm->irq); - tasklet_disable(&bcm->isr_tasklet); -} - -/* Make sure we don't receive more data from the device. */ -static int bcm43xx_disable_interrupts_sync(struct bcm43xx_private *bcm) -{ - unsigned long flags; - - spin_lock_irqsave(&bcm->irq_lock, flags); - if (unlikely(bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED)) { - spin_unlock_irqrestore(&bcm->irq_lock, flags); - return -EBUSY; - } - bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL); - bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK); /* flush */ - spin_unlock_irqrestore(&bcm->irq_lock, flags); - bcm43xx_synchronize_irq(bcm); - - return 0; -} - -static int bcm43xx_read_radioinfo(struct bcm43xx_private *bcm) -{ - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - u32 radio_id; - u16 manufact; - u16 version; - u8 revision; - - if (bcm->chip_id == 0x4317) { - if (bcm->chip_rev == 0x00) - radio_id = 0x3205017F; - else if (bcm->chip_rev == 0x01) - radio_id = 0x4205017F; - else - radio_id = 0x5205017F; - } else { - bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_CONTROL, BCM43xx_RADIOCTL_ID); - radio_id = bcm43xx_read16(bcm, BCM43xx_MMIO_RADIO_DATA_HIGH); - radio_id <<= 16; - bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_CONTROL, BCM43xx_RADIOCTL_ID); - radio_id |= bcm43xx_read16(bcm, BCM43xx_MMIO_RADIO_DATA_LOW); - } - - manufact = (radio_id & 0x00000FFF); - version = (radio_id & 0x0FFFF000) >> 12; - revision = (radio_id & 0xF0000000) >> 28; - - dprintk(KERN_INFO PFX "Detected Radio: ID: %x (Manuf: %x Ver: %x Rev: %x)\n", - radio_id, manufact, version, revision); - - switch (phy->type) { - case BCM43xx_PHYTYPE_A: - if ((version != 0x2060) || (revision != 1) || (manufact != 0x17f)) - goto err_unsupported_radio; - break; - case BCM43xx_PHYTYPE_B: - if ((version & 0xFFF0) != 0x2050) - goto err_unsupported_radio; - break; - case BCM43xx_PHYTYPE_G: - if (version != 0x2050) - goto err_unsupported_radio; - break; - } - - radio->manufact = manufact; - radio->version = version; - radio->revision = revision; - - if (phy->type == BCM43xx_PHYTYPE_A) - radio->txpower_desired = bcm->sprom.maxpower_aphy; - else - radio->txpower_desired = bcm->sprom.maxpower_bgphy; - - return 0; - -err_unsupported_radio: - printk(KERN_ERR PFX "Unsupported Radio connected to the PHY!\n"); - return -ENODEV; -} - -static const char * bcm43xx_locale_iso(u8 locale) -{ - /* ISO 3166-1 country codes. - * Note that there aren't ISO 3166-1 codes for - * all or locales. (Not all locales are countries) - */ - switch (locale) { - case BCM43xx_LOCALE_WORLD: - case BCM43xx_LOCALE_ALL: - return "XX"; - case BCM43xx_LOCALE_THAILAND: - return "TH"; - case BCM43xx_LOCALE_ISRAEL: - return "IL"; - case BCM43xx_LOCALE_JORDAN: - return "JO"; - case BCM43xx_LOCALE_CHINA: - return "CN"; - case BCM43xx_LOCALE_JAPAN: - case BCM43xx_LOCALE_JAPAN_HIGH: - return "JP"; - case BCM43xx_LOCALE_USA_CANADA_ANZ: - case BCM43xx_LOCALE_USA_LOW: - return "US"; - case BCM43xx_LOCALE_EUROPE: - return "EU"; - case BCM43xx_LOCALE_NONE: - return " "; - } - assert(0); - return " "; -} - -static const char * bcm43xx_locale_string(u8 locale) -{ - switch (locale) { - case BCM43xx_LOCALE_WORLD: - return "World"; - case BCM43xx_LOCALE_THAILAND: - return "Thailand"; - case BCM43xx_LOCALE_ISRAEL: - return "Israel"; - case BCM43xx_LOCALE_JORDAN: - return "Jordan"; - case BCM43xx_LOCALE_CHINA: - return "China"; - case BCM43xx_LOCALE_JAPAN: - return "Japan"; - case BCM43xx_LOCALE_USA_CANADA_ANZ: - return "USA/Canada/ANZ"; - case BCM43xx_LOCALE_EUROPE: - return "Europe"; - case BCM43xx_LOCALE_USA_LOW: - return "USAlow"; - case BCM43xx_LOCALE_JAPAN_HIGH: - return "JapanHigh"; - case BCM43xx_LOCALE_ALL: - return "All"; - case BCM43xx_LOCALE_NONE: - return "None"; - } - assert(0); - return ""; -} - -static inline u8 bcm43xx_crc8(u8 crc, u8 data) -{ - static const u8 t[] = { - 0x00, 0xF7, 0xB9, 0x4E, 0x25, 0xD2, 0x9C, 0x6B, - 0x4A, 0xBD, 0xF3, 0x04, 0x6F, 0x98, 0xD6, 0x21, - 0x94, 0x63, 0x2D, 0xDA, 0xB1, 0x46, 0x08, 0xFF, - 0xDE, 0x29, 0x67, 0x90, 0xFB, 0x0C, 0x42, 0xB5, - 0x7F, 0x88, 0xC6, 0x31, 0x5A, 0xAD, 0xE3, 0x14, - 0x35, 0xC2, 0x8C, 0x7B, 0x10, 0xE7, 0xA9, 0x5E, - 0xEB, 0x1C, 0x52, 0xA5, 0xCE, 0x39, 0x77, 0x80, - 0xA1, 0x56, 0x18, 0xEF, 0x84, 0x73, 0x3D, 0xCA, - 0xFE, 0x09, 0x47, 0xB0, 0xDB, 0x2C, 0x62, 0x95, - 0xB4, 0x43, 0x0D, 0xFA, 0x91, 0x66, 0x28, 0xDF, - 0x6A, 0x9D, 0xD3, 0x24, 0x4F, 0xB8, 0xF6, 0x01, - 0x20, 0xD7, 0x99, 0x6E, 0x05, 0xF2, 0xBC, 0x4B, - 0x81, 0x76, 0x38, 0xCF, 0xA4, 0x53, 0x1D, 0xEA, - 0xCB, 0x3C, 0x72, 0x85, 0xEE, 0x19, 0x57, 0xA0, - 0x15, 0xE2, 0xAC, 0x5B, 0x30, 0xC7, 0x89, 0x7E, - 0x5F, 0xA8, 0xE6, 0x11, 0x7A, 0x8D, 0xC3, 0x34, - 0xAB, 0x5C, 0x12, 0xE5, 0x8E, 0x79, 0x37, 0xC0, - 0xE1, 0x16, 0x58, 0xAF, 0xC4, 0x33, 0x7D, 0x8A, - 0x3F, 0xC8, 0x86, 0x71, 0x1A, 0xED, 0xA3, 0x54, - 0x75, 0x82, 0xCC, 0x3B, 0x50, 0xA7, 0xE9, 0x1E, - 0xD4, 0x23, 0x6D, 0x9A, 0xF1, 0x06, 0x48, 0xBF, - 0x9E, 0x69, 0x27, 0xD0, 0xBB, 0x4C, 0x02, 0xF5, - 0x40, 0xB7, 0xF9, 0x0E, 0x65, 0x92, 0xDC, 0x2B, - 0x0A, 0xFD, 0xB3, 0x44, 0x2F, 0xD8, 0x96, 0x61, - 0x55, 0xA2, 0xEC, 0x1B, 0x70, 0x87, 0xC9, 0x3E, - 0x1F, 0xE8, 0xA6, 0x51, 0x3A, 0xCD, 0x83, 0x74, - 0xC1, 0x36, 0x78, 0x8F, 0xE4, 0x13, 0x5D, 0xAA, - 0x8B, 0x7C, 0x32, 0xC5, 0xAE, 0x59, 0x17, 0xE0, - 0x2A, 0xDD, 0x93, 0x64, 0x0F, 0xF8, 0xB6, 0x41, - 0x60, 0x97, 0xD9, 0x2E, 0x45, 0xB2, 0xFC, 0x0B, - 0xBE, 0x49, 0x07, 0xF0, 0x9B, 0x6C, 0x22, 0xD5, - 0xF4, 0x03, 0x4D, 0xBA, 0xD1, 0x26, 0x68, 0x9F, - }; - return t[crc ^ data]; -} - -static u8 bcm43xx_sprom_crc(const u16 *sprom) -{ - int word; - u8 crc = 0xFF; - - for (word = 0; word < BCM43xx_SPROM_SIZE - 1; word++) { - crc = bcm43xx_crc8(crc, sprom[word] & 0x00FF); - crc = bcm43xx_crc8(crc, (sprom[word] & 0xFF00) >> 8); - } - crc = bcm43xx_crc8(crc, sprom[BCM43xx_SPROM_VERSION] & 0x00FF); - crc ^= 0xFF; - - return crc; -} - -int bcm43xx_sprom_read(struct bcm43xx_private *bcm, u16 *sprom) -{ - int i; - u8 crc, expected_crc; - - for (i = 0; i < BCM43xx_SPROM_SIZE; i++) - sprom[i] = bcm43xx_read16(bcm, BCM43xx_SPROM_BASE + (i * 2)); - /* CRC-8 check. */ - crc = bcm43xx_sprom_crc(sprom); - expected_crc = (sprom[BCM43xx_SPROM_VERSION] & 0xFF00) >> 8; - if (crc != expected_crc) { - printk(KERN_WARNING PFX "WARNING: Invalid SPROM checksum " - "(0x%02X, expected: 0x%02X)\n", - crc, expected_crc); - return -EINVAL; - } - - return 0; -} - -int bcm43xx_sprom_write(struct bcm43xx_private *bcm, const u16 *sprom) -{ - int i, err; - u8 crc, expected_crc; - u32 spromctl; - - /* CRC-8 validation of the input data. */ - crc = bcm43xx_sprom_crc(sprom); - expected_crc = (sprom[BCM43xx_SPROM_VERSION] & 0xFF00) >> 8; - if (crc != expected_crc) { - printk(KERN_ERR PFX "SPROM input data: Invalid CRC\n"); - return -EINVAL; - } - - printk(KERN_INFO PFX "Writing SPROM. Do NOT turn off the power! Please stand by...\n"); - err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCICFG_SPROMCTL, &spromctl); - if (err) - goto err_ctlreg; - spromctl |= 0x10; /* SPROM WRITE enable. */ - err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_SPROMCTL, spromctl); - if (err) - goto err_ctlreg; - /* We must burn lots of CPU cycles here, but that does not - * really matter as one does not write the SPROM every other minute... - */ - printk(KERN_INFO PFX "[ 0%%"); - mdelay(500); - for (i = 0; i < BCM43xx_SPROM_SIZE; i++) { - if (i == 16) - printk("25%%"); - else if (i == 32) - printk("50%%"); - else if (i == 48) - printk("75%%"); - else if (i % 2) - printk("."); - bcm43xx_write16(bcm, BCM43xx_SPROM_BASE + (i * 2), sprom[i]); - mmiowb(); - mdelay(20); - } - spromctl &= ~0x10; /* SPROM WRITE enable. */ - err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_SPROMCTL, spromctl); - if (err) - goto err_ctlreg; - mdelay(500); - printk("100%% ]\n"); - printk(KERN_INFO PFX "SPROM written.\n"); - bcm43xx_controller_restart(bcm, "SPROM update"); - - return 0; -err_ctlreg: - printk(KERN_ERR PFX "Could not access SPROM control register.\n"); - return -ENODEV; -} - -static int bcm43xx_sprom_extract(struct bcm43xx_private *bcm) -{ - u16 value; - u16 *sprom; - - sprom = kzalloc(BCM43xx_SPROM_SIZE * sizeof(u16), - GFP_KERNEL); - if (!sprom) { - printk(KERN_ERR PFX "sprom_extract OOM\n"); - return -ENOMEM; - } - bcm43xx_sprom_read(bcm, sprom); - - /* boardflags2 */ - value = sprom[BCM43xx_SPROM_BOARDFLAGS2]; - bcm->sprom.boardflags2 = value; - - /* il0macaddr */ - value = sprom[BCM43xx_SPROM_IL0MACADDR + 0]; - *(((u16 *)bcm->sprom.il0macaddr) + 0) = cpu_to_be16(value); - value = sprom[BCM43xx_SPROM_IL0MACADDR + 1]; - *(((u16 *)bcm->sprom.il0macaddr) + 1) = cpu_to_be16(value); - value = sprom[BCM43xx_SPROM_IL0MACADDR + 2]; - *(((u16 *)bcm->sprom.il0macaddr) + 2) = cpu_to_be16(value); - - /* et0macaddr */ - value = sprom[BCM43xx_SPROM_ET0MACADDR + 0]; - *(((u16 *)bcm->sprom.et0macaddr) + 0) = cpu_to_be16(value); - value = sprom[BCM43xx_SPROM_ET0MACADDR + 1]; - *(((u16 *)bcm->sprom.et0macaddr) + 1) = cpu_to_be16(value); - value = sprom[BCM43xx_SPROM_ET0MACADDR + 2]; - *(((u16 *)bcm->sprom.et0macaddr) + 2) = cpu_to_be16(value); - - /* et1macaddr */ - value = sprom[BCM43xx_SPROM_ET1MACADDR + 0]; - *(((u16 *)bcm->sprom.et1macaddr) + 0) = cpu_to_be16(value); - value = sprom[BCM43xx_SPROM_ET1MACADDR + 1]; - *(((u16 *)bcm->sprom.et1macaddr) + 1) = cpu_to_be16(value); - value = sprom[BCM43xx_SPROM_ET1MACADDR + 2]; - *(((u16 *)bcm->sprom.et1macaddr) + 2) = cpu_to_be16(value); - - /* ethernet phy settings */ - value = sprom[BCM43xx_SPROM_ETHPHY]; - bcm->sprom.et0phyaddr = (value & 0x001F); - bcm->sprom.et1phyaddr = (value & 0x03E0) >> 5; - - /* boardrev, antennas, locale */ - value = sprom[BCM43xx_SPROM_BOARDREV]; - bcm->sprom.boardrev = (value & 0x00FF); - bcm->sprom.locale = (value & 0x0F00) >> 8; - bcm->sprom.antennas_aphy = (value & 0x3000) >> 12; - bcm->sprom.antennas_bgphy = (value & 0xC000) >> 14; - if (modparam_locale != -1) { - if (modparam_locale >= 0 && modparam_locale <= 11) { - bcm->sprom.locale = modparam_locale; - printk(KERN_WARNING PFX "Operating with modified " - "LocaleCode %u (%s)\n", - bcm->sprom.locale, - bcm43xx_locale_string(bcm->sprom.locale)); - } else { - printk(KERN_WARNING PFX "Module parameter \"locale\" " - "invalid value. (0 - 11)\n"); - } - } - - /* pa0b* */ - value = sprom[BCM43xx_SPROM_PA0B0]; - bcm->sprom.pa0b0 = value; - value = sprom[BCM43xx_SPROM_PA0B1]; - bcm->sprom.pa0b1 = value; - value = sprom[BCM43xx_SPROM_PA0B2]; - bcm->sprom.pa0b2 = value; - - /* wl0gpio* */ - value = sprom[BCM43xx_SPROM_WL0GPIO0]; - if (value == 0x0000) - value = 0xFFFF; - bcm->sprom.wl0gpio0 = value & 0x00FF; - bcm->sprom.wl0gpio1 = (value & 0xFF00) >> 8; - value = sprom[BCM43xx_SPROM_WL0GPIO2]; - if (value == 0x0000) - value = 0xFFFF; - bcm->sprom.wl0gpio2 = value & 0x00FF; - bcm->sprom.wl0gpio3 = (value & 0xFF00) >> 8; - - /* maxpower */ - value = sprom[BCM43xx_SPROM_MAXPWR]; - bcm->sprom.maxpower_aphy = (value & 0xFF00) >> 8; - bcm->sprom.maxpower_bgphy = value & 0x00FF; - - /* pa1b* */ - value = sprom[BCM43xx_SPROM_PA1B0]; - bcm->sprom.pa1b0 = value; - value = sprom[BCM43xx_SPROM_PA1B1]; - bcm->sprom.pa1b1 = value; - value = sprom[BCM43xx_SPROM_PA1B2]; - bcm->sprom.pa1b2 = value; - - /* idle tssi target */ - value = sprom[BCM43xx_SPROM_IDL_TSSI_TGT]; - bcm->sprom.idle_tssi_tgt_aphy = value & 0x00FF; - bcm->sprom.idle_tssi_tgt_bgphy = (value & 0xFF00) >> 8; - - /* boardflags */ - value = sprom[BCM43xx_SPROM_BOARDFLAGS]; - if (value == 0xFFFF) - value = 0x0000; - bcm->sprom.boardflags = value; - /* boardflags workarounds */ - if (bcm->board_vendor == PCI_VENDOR_ID_DELL && - bcm->chip_id == 0x4301 && - bcm->board_revision == 0x74) - bcm->sprom.boardflags |= BCM43xx_BFL_BTCOEXIST; - if (bcm->board_vendor == PCI_VENDOR_ID_APPLE && - bcm->board_type == 0x4E && - bcm->board_revision > 0x40) - bcm->sprom.boardflags |= BCM43xx_BFL_PACTRL; - - /* antenna gain */ - value = sprom[BCM43xx_SPROM_ANTENNA_GAIN]; - if (value == 0x0000 || value == 0xFFFF) - value = 0x0202; - /* convert values to Q5.2 */ - bcm->sprom.antennagain_aphy = ((value & 0xFF00) >> 8) * 4; - bcm->sprom.antennagain_bgphy = (value & 0x00FF) * 4; - - kfree(sprom); - - return 0; -} - -static int bcm43xx_geo_init(struct bcm43xx_private *bcm) +static void bcm43xx_synchronize_irq(struct bcm43xx_wldev *dev) { - struct ieee80211_geo *geo; - struct ieee80211_channel *chan; - int have_a = 0, have_bg = 0; - int i; - u8 channel; - struct bcm43xx_phyinfo *phy; - const char *iso_country; - u8 max_bg_channel; - - geo = kzalloc(sizeof(*geo), GFP_KERNEL); - if (!geo) - return -ENOMEM; - - for (i = 0; i < bcm->nr_80211_available; i++) { - phy = &(bcm->core_80211_ext[i].phy); - switch (phy->type) { - case BCM43xx_PHYTYPE_B: - case BCM43xx_PHYTYPE_G: - have_bg = 1; - break; - case BCM43xx_PHYTYPE_A: - have_a = 1; - break; - default: - assert(0); - } - } - iso_country = bcm43xx_locale_iso(bcm->sprom.locale); - -/* set the maximum channel based on locale set in sprom or witle locale option */ - switch (bcm->sprom.locale) { - case BCM43xx_LOCALE_THAILAND: - case BCM43xx_LOCALE_ISRAEL: - case BCM43xx_LOCALE_JORDAN: - case BCM43xx_LOCALE_USA_CANADA_ANZ: - case BCM43xx_LOCALE_USA_LOW: - max_bg_channel = 11; - break; - case BCM43xx_LOCALE_JAPAN: - case BCM43xx_LOCALE_JAPAN_HIGH: - max_bg_channel = 14; - break; - default: - max_bg_channel = 13; - } - - if (have_a) { - for (i = 0, channel = IEEE80211_52GHZ_MIN_CHANNEL; - channel <= IEEE80211_52GHZ_MAX_CHANNEL; channel++) { - chan = &geo->a[i++]; - chan->freq = bcm43xx_channel_to_freq_a(channel); - chan->channel = channel; - } - geo->a_channels = i; - } - if (have_bg) { - for (i = 0, channel = IEEE80211_24GHZ_MIN_CHANNEL; - channel <= max_bg_channel; channel++) { - chan = &geo->bg[i++]; - chan->freq = bcm43xx_channel_to_freq_bg(channel); - chan->channel = channel; - } - geo->bg_channels = i; - } - memcpy(geo->name, iso_country, 2); - if (0 /*TODO: Outdoor use only */) - geo->name[2] = 'O'; - else if (0 /*TODO: Indoor use only */) - geo->name[2] = 'I'; - else - geo->name[2] = ' '; - geo->name[3] = '\0'; - - ieee80211_set_geo(bcm->ieee, geo); - kfree(geo); - - return 0; + synchronize_irq(dev->dev->irq); + tasklet_kill(&dev->isr_tasklet); } -/* DummyTransmission function, as documented on +/* DummyTransmission function, as documented on * http://bcm-specs.sipsolutions.net/DummyTransmission */ -void bcm43xx_dummy_transmission(struct bcm43xx_private *bcm) +void bcm43xx_dummy_transmission(struct bcm43xx_wldev *dev) { - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + struct bcm43xx_phy *phy = &dev->phy; unsigned int i, max_loop; - u16 value = 0; + u16 value; u32 buffer[5] = { 0x00000000, - 0x0000D400, + 0x00D40000, 0x00000000, - 0x00000001, + 0x01000000, 0x00000000, }; switch (phy->type) { - case BCM43xx_PHYTYPE_A: - max_loop = 0x1E; - buffer[0] = 0xCC010200; - break; case BCM43xx_PHYTYPE_B: case BCM43xx_PHYTYPE_G: max_loop = 0xFA; - buffer[0] = 0x6E840B00; + buffer[0] = 0x000B846E; break; default: - assert(0); + BCM43xx_BUG_ON(1); return; } for (i = 0; i < 5; i++) - bcm43xx_ram_write(bcm, i * 4, buffer[i]); + bcm43xx_ram_write(dev, i * 4, buffer[i]); - bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); /* dummy read */ + bcm43xx_read32(dev, BCM43xx_MMIO_STATUS_BITFIELD); /* dummy read */ - bcm43xx_write16(bcm, 0x0568, 0x0000); - bcm43xx_write16(bcm, 0x07C0, 0x0000); - bcm43xx_write16(bcm, 0x050C, ((phy->type == BCM43xx_PHYTYPE_A) ? 1 : 0)); - bcm43xx_write16(bcm, 0x0508, 0x0000); - bcm43xx_write16(bcm, 0x050A, 0x0000); - bcm43xx_write16(bcm, 0x054C, 0x0000); - bcm43xx_write16(bcm, 0x056A, 0x0014); - bcm43xx_write16(bcm, 0x0568, 0x0826); - bcm43xx_write16(bcm, 0x0500, 0x0000); - bcm43xx_write16(bcm, 0x0502, 0x0030); + bcm43xx_write16(dev, 0x0568, 0x0000); + bcm43xx_write16(dev, 0x07C0, 0x0000); + bcm43xx_write16(dev, 0x050C, 0x0000); + 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 (radio->version == 0x2050 && radio->revision <= 0x5) - bcm43xx_radio_write16(bcm, 0x0051, 0x0017); + 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(bcm, 0x050E); + value = bcm43xx_read16(dev, 0x050E); if (value & 0x0080) break; udelay(10); } for (i = 0x00; i < 0x0A; i++) { - value = bcm43xx_read16(bcm, 0x050E); + value = bcm43xx_read16(dev, 0x050E); if (value & 0x0400) break; udelay(10); } for (i = 0x00; i < 0x0A; i++) { - value = bcm43xx_read16(bcm, 0x0690); + value = bcm43xx_read16(dev, 0x0690); if (!(value & 0x0100)) break; udelay(10); } - if (radio->version == 0x2050 && radio->revision <= 0x5) - bcm43xx_radio_write16(bcm, 0x0051, 0x0037); + if (phy->radio_ver == 0x2050 && phy->radio_rev <= 0x5) + bcm43xx_radio_write16(dev, 0x0051, 0x0037); } -static void key_write(struct bcm43xx_private *bcm, - u8 index, u8 algorithm, const u16 *key) +static void key_write(struct bcm43xx_wldev *dev, + u8 index, u8 algorithm, const u8 *key) { - unsigned int i, basic_wep = 0; + unsigned int i; u32 offset; u16 value; - - /* Write associated key information */ - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x100 + (index * 2), - ((index << 4) | (algorithm & 0x0F))); - - /* The first 4 WEP keys need extra love */ - if (((algorithm == BCM43xx_SEC_ALGO_WEP) || - (algorithm == BCM43xx_SEC_ALGO_WEP104)) && (index < 4)) - basic_wep = 1; - - /* Write key payload, 8 little endian words */ - offset = bcm->security_offset + (index * BCM43xx_SEC_KEYSIZE); - for (i = 0; i < (BCM43xx_SEC_KEYSIZE / sizeof(u16)); i++) { - value = cpu_to_le16(key[i]); - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, - offset + (i * 2), value); - - if (!basic_wep) - continue; - - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, - offset + (i * 2) + 4 * BCM43xx_SEC_KEYSIZE, - value); + 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_private *bcm, - u8 index, const u32 *addr) +static void keymac_write(struct bcm43xx_wldev *dev, + u8 index, const u8 *addr) { /* for keys 0-3 there is no associated mac address */ if (index < 4) return; index -= 4; - if (bcm->current_core->rev >= 5) { - bcm43xx_shm_write32(bcm, - BCM43xx_SHM_HWMAC, + if (dev->dev->id.revision >= 5) { + bcm43xx_shm_write32(dev, + BCM43xx_SHM_HW, index * 2, cpu_to_be32(*addr)); - bcm43xx_shm_write16(bcm, - BCM43xx_SHM_HWMAC, + bcm43xx_shm_write16(dev, + BCM43xx_SHM_HW, (index * 2) + 1, cpu_to_be16(*((u16 *)(addr + 1)))); } else { - if (index < 8) { - TODO(); /* Put them in the macaddress filter */ + if (index < 4) { + bcm43xx_macfilter_set(dev, BCM43xx_MACFILTER_MAC + + index * 3, addr); } else { - TODO(); /* Put them BCM43xx_SHM_SHARED, stating index 0x0120. - Keep in mind to update the count of keymacs in 0x003E as well! */ + Update the count of keymacs in 0x003E as well */ + bcm43xx_shm_write32(dev, + BCM43xx_SHM_SHARED, + (index - 4) * 6 + 0x120, + cpu_to_be32(*addr)); + bcm43xx_shm_write16(dev, + BCM43xx_SHM_SHARED, + (index - 4) * 6 + 0x124, + cpu_to_be16(*((u16 *)(addr + 1)))); + bcm43xx_shm_write32(dev, /* update count */ + BCM43xx_SHM_SHARED, 0x003E, + bcm43xx_shm_read32(dev, + BCM43xx_SHM_SHARED, 0x003E) + 1); } } } -static int bcm43xx_key_write(struct bcm43xx_private *bcm, - u8 index, u8 algorithm, - const u8 *_key, int key_len, - const u8 *mac_addr) +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]; + + BCM43xx_WARN_ON(index >= dev->max_nr_keys); + BCM43xx_WARN_ON(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) { - u8 key[BCM43xx_SEC_KEYSIZE] = { 0 }; + int i; + int sta_keys_start; - if (index >= ARRAY_SIZE(bcm->key)) - return -EINVAL; - if (key_len > ARRAY_SIZE(key)) - return -EINVAL; - if (algorithm < 1 || algorithm > 5) + 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) { + bcmerr(dev->wl, "Out of hardware key memory\n"); + return -ENOBUFS; + } + } else { + BCM43xx_WARN_ON(index > 3); + } - memcpy(key, _key, key_len); - key_write(bcm, index, algorithm, (const u16 *)key); - keymac_write(bcm, index, (const u32 *)mac_addr); - - bcm->key[index].algorithm = algorithm; + do_key_write(dev, index, algorithm, key, key_len, mac_addr); + if ((index <= 3) && !bcm43xx_new_kidx_api(dev)) { + /* Default RX key */ + BCM43xx_WARN_ON(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_private *bcm) +static void bcm43xx_clear_keys(struct bcm43xx_wldev *dev) { - static const u32 zero_mac[2] = { 0 }; - unsigned int i,j, nr_keys = 54; - u16 offset; + static const u8 zero[BCM43xx_SEC_KEYSIZE] = { 0 }; + unsigned int i; - if (bcm->current_core->rev < 5) - nr_keys = 16; - assert(nr_keys <= ARRAY_SIZE(bcm->key)); - - for (i = 0; i < nr_keys; i++) { - bcm->key[i].enabled = 0; - /* returns for i < 4 immediately */ - keymac_write(bcm, i, zero_mac); - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, - 0x100 + (i * 2), 0x0000); - for (j = 0; j < 8; j++) { - offset = bcm->security_offset + (j * 4) + (i * BCM43xx_SEC_KEYSIZE); - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, - offset, 0x0000); - } + 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; } - dprintk(KERN_INFO PFX "Keys cleared\n"); } -/* Lowlevel core-switch function. This is only to be used in - * bcm43xx_switch_core() and bcm43xx_probe_cores() - */ -static int _switch_core(struct bcm43xx_private *bcm, int core) +/* Turn the Analog ON/OFF */ +static void bcm43xx_switch_analog(struct bcm43xx_wldev *dev, int on) { - int err; - int attempts = 0; - u32 current_core; + bcm43xx_write16(dev, BCM43xx_MMIO_PHY0, on ? 0 : 0xF4); +} - assert(core >= 0); - while (1) { - err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_ACTIVE_CORE, - (core * 0x1000) + 0x18000000); - if (unlikely(err)) - goto error; - err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCICFG_ACTIVE_CORE, - ¤t_core); - if (unlikely(err)) - goto error; - current_core = (current_core - 0x18000000) / 0x1000; - if (current_core == core) - break; +void bcm43xx_wireless_core_reset(struct bcm43xx_wldev *dev, u32 flags) +{ + u32 tmslow; + u32 macctl; - if (unlikely(attempts++ > BCM43xx_SWITCH_CORE_MAX_RETRIES)) - goto error; - udelay(10); - } + flags |= BCM43xx_TMSLOW_PHYCLKEN; + flags |= BCM43xx_TMSLOW_PHYRESET; + ssb_device_enable(dev->dev, flags); + msleep(2); /* Wait for the PLL to turn on. */ - return 0; -error: - printk(KERN_ERR PFX "Failed to switch to core %d\n", core); - return -ENODEV; + /* 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); } -int bcm43xx_switch_core(struct bcm43xx_private *bcm, struct bcm43xx_coreinfo *new_core) +static void handle_irq_transmit_status(struct bcm43xx_wldev *dev) { - int err; + u32 v0; + u32 v1; + u16 tmp; + struct bcm43xx_txstatus stat; - if (unlikely(!new_core)) - return 0; - if (!new_core->available) - return -ENODEV; - if (bcm->current_core == new_core) - return 0; - err = _switch_core(bcm, new_core->index); - if (unlikely(err)) - goto out; + while (1) { + v0 = bcm43xx_read32(dev, BCM43xx_MMIO_XMITSTAT_0); + if (!(v0 & 0x00000001)) + break; + v1 = bcm43xx_read32(dev, BCM43xx_MMIO_XMITSTAT_1); - bcm->current_core = new_core; -out: - return err; + 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 int bcm43xx_core_enabled(struct bcm43xx_private *bcm) +static void drain_txstatus_queue(struct bcm43xx_wldev *dev) { - u32 value; - - value = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); - value &= BCM43xx_SBTMSTATELOW_CLOCK | BCM43xx_SBTMSTATELOW_RESET - | BCM43xx_SBTMSTATELOW_REJECT; + u32 dummy; - return (value == BCM43xx_SBTMSTATELOW_CLOCK); + 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); + } } -/* disable current core */ -static int bcm43xx_core_disable(struct bcm43xx_private *bcm, u32 core_flags) +static u32 bcm43xx_jssi_read(struct bcm43xx_wldev *dev) { - u32 sbtmstatelow; - u32 sbtmstatehigh; - int i; - - /* fetch sbtmstatelow from core information registers */ - sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); - - /* core is already in reset */ - if (sbtmstatelow & BCM43xx_SBTMSTATELOW_RESET) - goto out; - - if (sbtmstatelow & BCM43xx_SBTMSTATELOW_CLOCK) { - sbtmstatelow = BCM43xx_SBTMSTATELOW_CLOCK | - BCM43xx_SBTMSTATELOW_REJECT; - bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); - - for (i = 0; i < 1000; i++) { - sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); - if (sbtmstatelow & BCM43xx_SBTMSTATELOW_REJECT) { - i = -1; - break; - } - udelay(10); - } - if (i != -1) { - printk(KERN_ERR PFX "Error: core_disable() REJECT timeout!\n"); - return -EBUSY; - } - - for (i = 0; i < 1000; i++) { - sbtmstatehigh = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH); - if (!(sbtmstatehigh & BCM43xx_SBTMSTATEHIGH_BUSY)) { - i = -1; - break; - } - udelay(10); - } - if (i != -1) { - printk(KERN_ERR PFX "Error: core_disable() BUSY timeout!\n"); - return -EBUSY; - } - - sbtmstatelow = BCM43xx_SBTMSTATELOW_FORCE_GATE_CLOCK | - BCM43xx_SBTMSTATELOW_REJECT | - BCM43xx_SBTMSTATELOW_RESET | - BCM43xx_SBTMSTATELOW_CLOCK | - core_flags; - bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); - udelay(10); - } - - sbtmstatelow = BCM43xx_SBTMSTATELOW_RESET | - BCM43xx_SBTMSTATELOW_REJECT | - core_flags; - bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); - -out: - bcm->current_core->enabled = 0; - - return 0; -} - -/* enable (reset) current core */ -static int bcm43xx_core_enable(struct bcm43xx_private *bcm, u32 core_flags) -{ - u32 sbtmstatelow; - u32 sbtmstatehigh; - u32 sbimstate; - int err; - - err = bcm43xx_core_disable(bcm, core_flags); - if (err) - goto out; - - sbtmstatelow = BCM43xx_SBTMSTATELOW_CLOCK | - BCM43xx_SBTMSTATELOW_RESET | - BCM43xx_SBTMSTATELOW_FORCE_GATE_CLOCK | - core_flags; - bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); - udelay(1); - - sbtmstatehigh = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH); - if (sbtmstatehigh & BCM43xx_SBTMSTATEHIGH_SERROR) { - sbtmstatehigh = 0x00000000; - bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATEHIGH, sbtmstatehigh); - } - - sbimstate = bcm43xx_read32(bcm, BCM43xx_CIR_SBIMSTATE); - if (sbimstate & (BCM43xx_SBIMSTATE_IB_ERROR | BCM43xx_SBIMSTATE_TIMEOUT)) { - sbimstate &= ~(BCM43xx_SBIMSTATE_IB_ERROR | BCM43xx_SBIMSTATE_TIMEOUT); - bcm43xx_write32(bcm, BCM43xx_CIR_SBIMSTATE, sbimstate); - } - - sbtmstatelow = BCM43xx_SBTMSTATELOW_CLOCK | - BCM43xx_SBTMSTATELOW_FORCE_GATE_CLOCK | - core_flags; - bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); - udelay(1); - - sbtmstatelow = BCM43xx_SBTMSTATELOW_CLOCK | core_flags; - bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); - udelay(1); - - bcm->current_core->enabled = 1; - assert(err == 0); -out: - return err; -} - -/* http://bcm-specs.sipsolutions.net/80211CoreReset */ -void bcm43xx_wireless_core_reset(struct bcm43xx_private *bcm, int connect_phy) -{ - u32 flags = 0x00040000; - - if ((bcm43xx_core_enabled(bcm)) && - !bcm43xx_using_pio(bcm)) { - } - if (bcm43xx_status(bcm) == BCM43xx_STAT_SHUTTINGDOWN) { - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, - bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD) - & ~(BCM43xx_SBF_MAC_ENABLED | 0x00000002)); - } else { - if (connect_phy) - flags |= BCM43xx_SBTMSTATELOW_G_MODE_ENABLE; - bcm43xx_phy_connect(bcm, connect_phy); - bcm43xx_core_enable(bcm, flags); - bcm43xx_write16(bcm, 0x03E6, 0x0000); - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, - bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD) - | BCM43xx_SBF_400); - } -} - -static void bcm43xx_wireless_core_disable(struct bcm43xx_private *bcm) -{ - bcm43xx_radio_turn_off(bcm); - bcm43xx_write16(bcm, 0x03E6, 0x00F4); - bcm43xx_core_disable(bcm, 0); -} - -/* Mark the current 80211 core inactive. */ -static void bcm43xx_wireless_core_mark_inactive(struct bcm43xx_private *bcm) -{ - u32 sbtmstatelow; - - bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL); - bcm43xx_radio_turn_off(bcm); - sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); - sbtmstatelow &= 0xDFF5FFFF; - sbtmstatelow |= 0x000A0000; - bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); - udelay(1); - sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); - sbtmstatelow &= 0xFFF5FFFF; - sbtmstatelow |= 0x00080000; - bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); - udelay(1); -} + u32 val = 0; -static void handle_irq_transmit_status(struct bcm43xx_private *bcm) -{ - u32 v0, v1; - u16 tmp; - struct bcm43xx_xmitstatus stat; - - while (1) { - v0 = bcm43xx_read32(bcm, BCM43xx_MMIO_XMITSTAT_0); - if (!v0) - break; - v1 = bcm43xx_read32(bcm, BCM43xx_MMIO_XMITSTAT_1); - - stat.cookie = (v0 >> 16) & 0x0000FFFF; - tmp = (u16)((v0 & 0xFFF0) | ((v0 & 0xF) >> 1)); - stat.flags = tmp & 0xFF; - stat.cnt1 = (tmp & 0x0F00) >> 8; - stat.cnt2 = (tmp & 0xF000) >> 12; - stat.seq = (u16)(v1 & 0xFFFF); - stat.unknown = (u16)((v1 >> 16) & 0xFF); - - bcm43xx_debugfs_log_txstat(bcm, &stat); - - if (stat.flags & BCM43xx_TXSTAT_FLAG_AMPDU) - continue; - if (stat.flags & BCM43xx_TXSTAT_FLAG_INTER) - continue; + val = bcm43xx_shm_read16(dev, BCM43xx_SHM_SHARED, 0x40A); + val <<= 16; + val |= bcm43xx_shm_read16(dev, BCM43xx_SHM_SHARED, 0x408); - if (bcm43xx_using_pio(bcm)) - bcm43xx_pio_handle_xmitstatus(bcm, &stat); - else - bcm43xx_dma_handle_xmitstatus(bcm, &stat); - } + return val; } -static void drain_txstatus_queue(struct bcm43xx_private *bcm) +static void bcm43xx_jssi_write(struct bcm43xx_wldev *dev, u32 jssi) { - u32 dummy; - - if (bcm->current_core->rev < 5) - return; - /* Read all entries from the microcode TXstatus FIFO - * and throw them away. - */ - while (1) { - dummy = bcm43xx_read32(bcm, BCM43xx_MMIO_XMITSTAT_0); - if (!dummy) - break; - dummy = bcm43xx_read32(bcm, BCM43xx_MMIO_XMITSTAT_1); - } + bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, 0x408, + (jssi & 0x0000FFFF)); + bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, 0x40A, + (jssi & 0xFFFF0000) >> 16); } -static void bcm43xx_generate_noise_sample(struct bcm43xx_private *bcm) +static void bcm43xx_generate_noise_sample(struct bcm43xx_wldev *dev) { - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x408, 0x7F7F); - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x40A, 0x7F7F); - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD, - bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD) | (1 << 4)); - assert(bcm->noisecalc.core_at_start == bcm->current_core); - assert(bcm->noisecalc.channel_at_start == bcm43xx_current_radio(bcm)->channel); + bcm43xx_jssi_write(dev, 0x7F7F7F7F); + bcm43xx_write32(dev, BCM43xx_MMIO_STATUS2_BITFIELD, + bcm43xx_read32(dev, BCM43xx_MMIO_STATUS2_BITFIELD) + | (1 << 4)); + BCM43xx_WARN_ON(dev->noisecalc.channel_at_start != dev->phy.channel); } -static void bcm43xx_calculate_link_quality(struct bcm43xx_private *bcm) +static void bcm43xx_calculate_link_quality(struct bcm43xx_wldev *dev) { /* Top half of Link Quality calculation. */ - if (bcm->noisecalc.calculation_running) + if (dev->noisecalc.calculation_running) return; - bcm->noisecalc.core_at_start = bcm->current_core; - bcm->noisecalc.channel_at_start = bcm43xx_current_radio(bcm)->channel; - bcm->noisecalc.calculation_running = 1; - bcm->noisecalc.nr_samples = 0; + dev->noisecalc.channel_at_start = dev->phy.channel; + dev->noisecalc.calculation_running = 1; + dev->noisecalc.nr_samples = 0; - bcm43xx_generate_noise_sample(bcm); + bcm43xx_generate_noise_sample(dev); } -static void handle_irq_noise(struct bcm43xx_private *bcm) +static void handle_irq_noise(struct bcm43xx_wldev *dev) { - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); + struct bcm43xx_phy *phy = &dev->phy; u16 tmp; u8 noise[4]; u8 i, j; @@ -1477,45 +978,38 @@ static void handle_irq_noise(struct bcm4 /* Bottom half of Link Quality calculation. */ - assert(bcm->noisecalc.calculation_running); - if (bcm->noisecalc.core_at_start != bcm->current_core || - bcm->noisecalc.channel_at_start != radio->channel) + BCM43xx_WARN_ON(!dev->noisecalc.calculation_running); + if (dev->noisecalc.channel_at_start != phy->channel) goto drop_calculation; - tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x408); - noise[0] = (tmp & 0x00FF); - noise[1] = (tmp & 0xFF00) >> 8; - tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x40A); - noise[2] = (tmp & 0x00FF); - noise[3] = (tmp & 0xFF00) >> 8; + *((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(bcm->noisecalc.nr_samples < 8); - i = bcm->noisecalc.nr_samples; - noise[0] = limit_value(noise[0], 0, ARRAY_SIZE(radio->nrssi_lt) - 1); - noise[1] = limit_value(noise[1], 0, ARRAY_SIZE(radio->nrssi_lt) - 1); - noise[2] = limit_value(noise[2], 0, ARRAY_SIZE(radio->nrssi_lt) - 1); - noise[3] = limit_value(noise[3], 0, ARRAY_SIZE(radio->nrssi_lt) - 1); - bcm->noisecalc.samples[i][0] = radio->nrssi_lt[noise[0]]; - bcm->noisecalc.samples[i][1] = radio->nrssi_lt[noise[1]]; - bcm->noisecalc.samples[i][2] = radio->nrssi_lt[noise[2]]; - bcm->noisecalc.samples[i][3] = radio->nrssi_lt[noise[3]]; - bcm->noisecalc.nr_samples++; - if (bcm->noisecalc.nr_samples == 8) { + BCM43xx_WARN_ON(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 += bcm->noisecalc.samples[i][j]; + average += dev->noisecalc.samples[i][j]; } average /= (8 * 4); average *= 125; average += 64; average /= 128; - - tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x40C); + tmp = bcm43xx_shm_read16(dev, BCM43xx_SHM_SHARED, 0x40C); tmp = (tmp / 128) & 0x1F; if (tmp >= 8) average += 2; @@ -1526,403 +1020,575 @@ static void handle_irq_noise(struct bcm4 else average -= 48; - bcm->stats.noise = average; + dev->stats.link_noise = average; drop_calculation: - bcm->noisecalc.calculation_running = 0; + dev->noisecalc.calculation_running = 0; return; } generate_new: - bcm43xx_generate_noise_sample(bcm); + bcm43xx_generate_noise_sample(dev); } -static void handle_irq_ps(struct bcm43xx_private *bcm) +static void handle_irq_tbtt_indication(struct bcm43xx_wldev *dev) { - if (bcm->ieee->iw_mode == IW_MODE_MASTER) { - ///TODO: PS TBTT + 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(bcm, -1, -1); + bcm43xx_power_saving_ctl_bits(dev, -1, -1); } - if (bcm->ieee->iw_mode == IW_MODE_ADHOC) - bcm->reg124_set_0x4 = 1; - //FIXME else set to false? + dev->reg124_set_0x4 = 0; + if (bcm43xx_is_mode(dev->wl, IEEE80211_IF_TYPE_IBSS)) + dev->reg124_set_0x4 = 1; } -static void handle_irq_reg124(struct bcm43xx_private *bcm) +static void handle_irq_atim_end(struct bcm43xx_wldev *dev) { - if (!bcm->reg124_set_0x4) + if (!dev->reg124_set_0x4 /*FIXME rename this variable*/) return; - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD, - bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD) + bcm43xx_write32(dev, BCM43xx_MMIO_STATUS2_BITFIELD, + bcm43xx_read32(dev, BCM43xx_MMIO_STATUS2_BITFIELD) | 0x4); - //FIXME: reset reg124_set_0x4 to false? } -static void handle_irq_pmq(struct bcm43xx_private *bcm) +static void handle_irq_pmq(struct bcm43xx_wldev *dev) { u32 tmp; - //TODO: AP mode. + /* TODO: AP mode. */ while (1) { - tmp = bcm43xx_read32(bcm, BCM43xx_MMIO_PS_STATUS); + tmp = bcm43xx_read32(dev, BCM43xx_MMIO_PS_STATUS); if (!(tmp & 0x00000008)) break; } /* 16bit write is odd, but correct. */ - bcm43xx_write16(bcm, BCM43xx_MMIO_PS_STATUS, 0x0002); + bcm43xx_write16(dev, BCM43xx_MMIO_PS_STATUS, 0x0002); } -static void bcm43xx_generate_beacon_template(struct bcm43xx_private *bcm, - u16 ram_offset, u16 shm_size_offset) +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 value; - u16 size = 0; + u32 i; + u32 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; + + BCM43xx_WARN_ON(!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_100KBPS(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; + u16 elem_size; + u16 src_pos; + u16 dest_pos; + __le16 dur; + struct ieee80211_hdr *hdr; + + BCM43xx_WARN_ON(!dev->cached_beacon); + src_size = dev->cached_beacon->len; + src_data = (const u8 *)dev->cached_beacon->data; + + if (unlikely(src_size < 0x24)) { + bcmdbg(dev->wl, "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 = 0x24; + 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_100KBPS(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; + + BCM43xx_WARN_ON(!dev->cached_beacon); + size = dev->cached_beacon->len; + probe_resp_data = bcm43xx_generate_probe_resp(dev, &size, rate); + if (unlikely(!probe_resp_data)) + return; - /* Timestamp. */ - //FIXME: assumption: The chip sets the timestamp - value = 0; - bcm43xx_ram_write(bcm, ram_offset++, value); - bcm43xx_ram_write(bcm, ram_offset++, value); - size += 8; + /* 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; +} - /* Beacon Interval / Capability Information */ - value = 0x0000;//FIXME: Which interval? - value |= (1 << 0) << 16; /* ESS */ - value |= (1 << 2) << 16; /* CF Pollable */ //FIXME? - value |= (1 << 3) << 16; /* CF Poll Request */ //FIXME? - if (!bcm->ieee->open_wep) - value |= (1 << 4) << 16; /* Privacy */ - bcm43xx_ram_write(bcm, ram_offset++, value); - size += 4; +static void bcm43xx_update_templates(struct bcm43xx_wldev *dev) +{ + u32 status; - /* SSID */ - //TODO + BCM43xx_WARN_ON(!dev->cached_beacon); - /* FH Parameter Set */ - //TODO + 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); +} - /* DS Parameter Set */ - //TODO +static void bcm43xx_refresh_templates(struct bcm43xx_wldev *dev, + struct sk_buff *beacon) +{ + int err; - /* CF Parameter Set */ - //TODO + err = bcm43xx_refresh_cached_beacon(dev, beacon); + if (unlikely(err)) + return; + bcm43xx_update_templates(dev); +} - /* TIM */ - //TODO +static void bcm43xx_set_ssid(struct bcm43xx_wldev *dev, + const u8 *ssid, u8 ssid_len) +{ + u32 tmp; + u16 i; + u16 len; - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, shm_size_offset, size); + 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_private *bcm) +static void handle_irq_beacon(struct bcm43xx_wldev *dev) { u32 status; - bcm->irq_savedstate &= ~BCM43xx_IRQ_BEACON; - status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD); + 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 ((status & 0x1) && (status & 0x2)) { + if (!dev->cached_beacon || ((status & 0x1) && (status & 0x2))) { /* ACK beacon IRQ. */ - bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, + bcm43xx_write32(dev, BCM43xx_MMIO_GEN_IRQ_REASON, BCM43xx_IRQ_BEACON); - bcm->irq_savedstate |= 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_generate_beacon_template(bcm, 0x68, 0x18); + bcm43xx_write_beacon_template(dev, 0x68, 0x18, + BCM43xx_CCK_RATE_1MB); status |= 0x1; - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD, status); + bcm43xx_write32(dev, BCM43xx_MMIO_STATUS2_BITFIELD, + status); } if (!(status & 0x2)) { - bcm43xx_generate_beacon_template(bcm, 0x468, 0x1A); + bcm43xx_write_beacon_template(dev, 0x468, 0x1A, + BCM43xx_CCK_RATE_1MB); status |= 0x2; - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD, status); + bcm43xx_write32(dev, BCM43xx_MMIO_STATUS2_BITFIELD, + status); } } +static void handle_irq_ucode_debug(struct bcm43xx_wldev *dev) +{ +} + /* Interrupt handler bottom-half */ -static void bcm43xx_interrupt_tasklet(struct bcm43xx_private *bcm) +static void bcm43xx_interrupt_tasklet(struct bcm43xx_wldev *dev) { u32 reason; - u32 dma_reason[6]; + u32 dma_reason[ARRAY_SIZE(dev->dma_reason)]; u32 merged_dma_reason = 0; int i, activity = 0; unsigned long flags; -#ifdef CONFIG_BCM43XX_DEBUG - u32 _handled = 0x00000000; -# define bcmirq_handled(irq) do { _handled |= (irq); } while (0) -#else -# define bcmirq_handled(irq) do { /* nothing */ } while (0) -#endif /* CONFIG_BCM43XX_DEBUG*/ - - spin_lock_irqsave(&bcm->irq_lock, flags); - reason = bcm->irq_reason; - for (i = 5; i >= 0; i--) { - dma_reason[i] = bcm->dma_reason[i]; - merged_dma_reason |= dma_reason[i]; - } - - if (unlikely(reason & BCM43xx_IRQ_XMIT_ERROR)) { - /* TX error. We get this when Template Ram is written in wrong endianess - * in dummy_tx(). We also get this if something is wrong with the TX header - * on DMA or PIO queues. - * Maybe we get this in other error conditions, too. - */ - printkl(KERN_ERR PFX "FATAL ERROR: BCM43xx_IRQ_XMIT_ERROR\n"); - bcmirq_handled(BCM43xx_IRQ_XMIT_ERROR); - } - if (unlikely(merged_dma_reason & BCM43xx_DMAIRQ_FATALMASK)) { - printkl(KERN_ERR PFX "FATAL ERROR: Fatal DMA error: " - "0x%08X, 0x%08X, 0x%08X, " - "0x%08X, 0x%08X, 0x%08X\n", - dma_reason[0], dma_reason[1], - dma_reason[2], dma_reason[3], - dma_reason[4], dma_reason[5]); - bcm43xx_controller_restart(bcm, "DMA error"); - mmiowb(); - spin_unlock_irqrestore(&bcm->irq_lock, flags); - return; - } - if (unlikely(merged_dma_reason & BCM43xx_DMAIRQ_NONFATALMASK)) { - printkl(KERN_ERR PFX "DMA error: " - "0x%08X, 0x%08X, 0x%08X, " - "0x%08X, 0x%08X, 0x%08X\n", - dma_reason[0], dma_reason[1], - dma_reason[2], dma_reason[3], - dma_reason[4], dma_reason[5]); - } - - if (reason & BCM43xx_IRQ_PS) { - handle_irq_ps(bcm); - bcmirq_handled(BCM43xx_IRQ_PS); - } + spin_lock_irqsave(&dev->wl->irq_lock, flags); - if (reason & BCM43xx_IRQ_REG124) { - handle_irq_reg124(bcm); - bcmirq_handled(BCM43xx_IRQ_REG124); - } + BCM43xx_WARN_ON(bcm43xx_status(dev) < BCM43xx_STAT_INITIALIZED); - if (reason & BCM43xx_IRQ_BEACON) { - if (bcm->ieee->iw_mode == IW_MODE_MASTER) - handle_irq_beacon(bcm); - bcmirq_handled(BCM43xx_IRQ_BEACON); + 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 (reason & BCM43xx_IRQ_PMQ) { - handle_irq_pmq(bcm); - bcmirq_handled(BCM43xx_IRQ_PMQ); - } + if (unlikely(reason & BCM43xx_IRQ_MAC_TXERR)) + bcmerr(dev->wl, "MAC transmission error\n"); - if (reason & BCM43xx_IRQ_SCAN) { - /*TODO*/ - //bcmirq_handled(BCM43xx_IRQ_SCAN); - } + if (unlikely(reason & BCM43xx_IRQ_PHY_TXERR)) + bcmerr(dev->wl, "PHY transmission error\n"); - if (reason & BCM43xx_IRQ_NOISE) { - handle_irq_noise(bcm); - bcmirq_handled(BCM43xx_IRQ_NOISE); - } + if (unlikely(merged_dma_reason & (BCM43xx_DMAIRQ_FATALMASK | + BCM43xx_DMAIRQ_NONFATALMASK))) { + if (merged_dma_reason & BCM43xx_DMAIRQ_FATALMASK) { + bcmerr(dev->wl, "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) + bcmerr(dev->wl, "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(bcm)) - bcm43xx_pio_rx(bcm43xx_current_pio(bcm)->queue0); + if (bcm43xx_using_pio(dev)) + bcm43xx_pio_rx(dev->pio.queue0); else - bcm43xx_dma_rx(bcm43xx_current_dma(bcm)->rx_ring0); + 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)); + BCM43xx_WARN_ON(dma_reason[1] & BCM43xx_DMAIRQ_RX_DONE); + BCM43xx_WARN_ON(dma_reason[2] & BCM43xx_DMAIRQ_RX_DONE); if (dma_reason[3] & BCM43xx_DMAIRQ_RX_DONE) { - if (bcm43xx_using_pio(bcm)) - bcm43xx_pio_rx(bcm43xx_current_pio(bcm)->queue3); + if (bcm43xx_using_pio(dev)) + bcm43xx_pio_rx(dev->pio.queue3); else - bcm43xx_dma_rx(bcm43xx_current_dma(bcm)->rx_ring3); + 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)); - bcmirq_handled(BCM43xx_IRQ_RX); + BCM43xx_WARN_ON(dma_reason[4] & BCM43xx_DMAIRQ_RX_DONE); + BCM43xx_WARN_ON(dma_reason[5] & BCM43xx_DMAIRQ_RX_DONE); - if (reason & BCM43xx_IRQ_XMIT_STATUS) { - handle_irq_transmit_status(bcm); + if (reason & BCM43xx_IRQ_TX_OK) { + handle_irq_transmit_status(dev); activity = 1; - //TODO: In AP mode, this also causes sending of powersave responses. - bcmirq_handled(BCM43xx_IRQ_XMIT_STATUS); + /* TODO: In AP mode, this also causes sending of powersave + responses. */ } - /* IRQ_PIO_WORKAROUND is handled in the top-half. */ - bcmirq_handled(BCM43xx_IRQ_PIO_WORKAROUND); -#ifdef CONFIG_BCM43XX_DEBUG - if (unlikely(reason & ~_handled)) { - printkl(KERN_WARNING PFX - "Unhandled IRQ! Reason: 0x%08x, Unhandled: 0x%08x, " - "DMA: 0x%08x, 0x%08x, 0x%08x, 0x%08x\n", - reason, (reason & ~_handled), - dma_reason[0], dma_reason[1], - dma_reason[2], dma_reason[3]); - } -#endif -#undef bcmirq_handled - if (!modparam_noleds) - bcm43xx_leds_update(bcm, activity); - bcm43xx_interrupt_enable(bcm, bcm->irq_savedstate); + bcm43xx_leds_update(dev, activity); + bcm43xx_interrupt_enable(dev, dev->irq_savedstate); mmiowb(); - spin_unlock_irqrestore(&bcm->irq_lock, flags); + spin_unlock_irqrestore(&dev->wl->irq_lock, flags); } -static void pio_irq_workaround(struct bcm43xx_private *bcm, +static void pio_irq_workaround(struct bcm43xx_wldev *dev, u16 base, int queueidx) { u16 rxctl; - rxctl = bcm43xx_read16(bcm, base + BCM43xx_PIO_RXCTL); + rxctl = bcm43xx_read16(dev, base + BCM43xx_PIO_RXCTL); if (rxctl & BCM43xx_PIO_RXCTL_DATAAVAILABLE) - bcm->dma_reason[queueidx] |= BCM43xx_DMAIRQ_RX_DONE; + dev->dma_reason[queueidx] |= BCM43xx_DMAIRQ_RX_DONE; else - bcm->dma_reason[queueidx] &= ~BCM43xx_DMAIRQ_RX_DONE; + dev->dma_reason[queueidx] &= ~BCM43xx_DMAIRQ_RX_DONE; } -static void bcm43xx_interrupt_ack(struct bcm43xx_private *bcm, u32 reason) +static void bcm43xx_interrupt_ack(struct bcm43xx_wldev *dev, u32 reason) { - if (bcm43xx_using_pio(bcm) && - (bcm->current_core->rev < 3) && + 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(bcm, BCM43xx_MMIO_PIO1_BASE, 0); - pio_irq_workaround(bcm, BCM43xx_MMIO_PIO2_BASE, 1); - pio_irq_workaround(bcm, BCM43xx_MMIO_PIO3_BASE, 2); - pio_irq_workaround(bcm, BCM43xx_MMIO_PIO4_BASE, 3); - } - - bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, reason); - - bcm43xx_write32(bcm, BCM43xx_MMIO_DMA0_REASON, - bcm->dma_reason[0]); - bcm43xx_write32(bcm, BCM43xx_MMIO_DMA1_REASON, - bcm->dma_reason[1]); - bcm43xx_write32(bcm, BCM43xx_MMIO_DMA2_REASON, - bcm->dma_reason[2]); - bcm43xx_write32(bcm, BCM43xx_MMIO_DMA3_REASON, - bcm->dma_reason[3]); - bcm43xx_write32(bcm, BCM43xx_MMIO_DMA4_REASON, - bcm->dma_reason[4]); - bcm43xx_write32(bcm, BCM43xx_MMIO_DMA5_REASON, - bcm->dma_reason[5]); + 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_private *bcm = dev_id; + struct bcm43xx_wldev *dev = dev_id; u32 reason; - if (!bcm) + if (!dev) return IRQ_NONE; - spin_lock(&bcm->irq_lock); + spin_lock(&dev->wl->irq_lock); - reason = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); - if (reason == 0xffffffff) { - /* irq not for us (shared irq) */ - ret = IRQ_NONE; + if (bcm43xx_status(dev) < BCM43xx_STAT_INITIALIZED) goto out; - } - reason &= bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK); + reason = bcm43xx_read32(dev, BCM43xx_MMIO_GEN_IRQ_REASON); + if (reason == 0xffffffff) /* shared IRQ */ + goto out; + reason &= bcm43xx_read32(dev, BCM43xx_MMIO_GEN_IRQ_MASK); if (!reason) goto out; - assert(bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED); - assert(bcm->current_core->id == BCM43xx_COREID_80211); + BCM43xx_WARN_ON(bcm43xx_status(dev) < BCM43xx_STAT_INITIALIZED); - bcm->dma_reason[0] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA0_REASON) + dev->dma_reason[0] = bcm43xx_read32(dev, BCM43xx_MMIO_DMA0_REASON) & 0x0001DC00; - bcm->dma_reason[1] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA1_REASON) + dev->dma_reason[1] = bcm43xx_read32(dev, BCM43xx_MMIO_DMA1_REASON) & 0x0000DC00; - bcm->dma_reason[2] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA2_REASON) + dev->dma_reason[2] = bcm43xx_read32(dev, BCM43xx_MMIO_DMA2_REASON) & 0x0000DC00; - bcm->dma_reason[3] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA3_REASON) + dev->dma_reason[3] = bcm43xx_read32(dev, BCM43xx_MMIO_DMA3_REASON) & 0x0001DC00; - bcm->dma_reason[4] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA4_REASON) + dev->dma_reason[4] = bcm43xx_read32(dev, BCM43xx_MMIO_DMA4_REASON) & 0x0000DC00; - bcm->dma_reason[5] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA5_REASON) + dev->dma_reason[5] = bcm43xx_read32(dev, BCM43xx_MMIO_DMA5_REASON) & 0x0000DC00; - bcm43xx_interrupt_ack(bcm, reason); - + bcm43xx_interrupt_ack(dev, reason); /* disable all IRQs. They are enabled again in the bottom half. */ - bcm->irq_savedstate = bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL); + dev->irq_savedstate = bcm43xx_interrupt_disable(dev, BCM43xx_IRQ_ALL); /* save the reason code and call our bottom half. */ - bcm->irq_reason = reason; - tasklet_schedule(&bcm->isr_tasklet); - + dev->irq_reason = reason; + tasklet_schedule(&dev->isr_tasklet); out: mmiowb(); - spin_unlock(&bcm->irq_lock); + spin_unlock(&dev->wl->irq_lock); return ret; } -static void bcm43xx_release_firmware(struct bcm43xx_private *bcm, int force) +static void bcm43xx_release_firmware(struct bcm43xx_wldev *dev) { - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - - if (bcm->firmware_norelease && !force) - return; /* Suspending or controller reset. */ - release_firmware(phy->ucode); - phy->ucode = NULL; - release_firmware(phy->pcm); - phy->pcm = NULL; - release_firmware(phy->initvals0); - phy->initvals0 = NULL; - release_firmware(phy->initvals1); - phy->initvals1 = NULL; + 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_private *bcm) +static int bcm43xx_request_firmware(struct bcm43xx_wldev *dev) { - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - u8 rev = bcm->current_core->rev; + u8 rev = dev->dev->id.revision; int err = 0; int nr; char buf[22 + sizeof(modparam_fwpostfix) - 1] = { 0 }; - if (!phy->ucode) { + if (!dev->fw.ucode) { snprintf(buf, ARRAY_SIZE(buf), "bcm43xx_microcode%d%s.fw", (rev >= 5 ? 5 : rev), modparam_fwpostfix); - err = request_firmware(&phy->ucode, buf, &bcm->pci_dev->dev); + 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; + snprintf(buf, ARRAY_SIZE(buf), "bcm43xx_microcode%d.fw", + (rev >= 5 ? 5 : rev)); + err = request_firmware(&dev->fw.ucode, buf, + dev->dev->dev); + if (err) { + bcmerr(dev->wl, "Microcode \"%s\" not " + "available or load failed.\n", buf); + goto error; + } } + bcminfo(dev->wl, "bcm43xx: Microcode %s loaded\n", buf); } - if (!phy->pcm) { - snprintf(buf, ARRAY_SIZE(buf), - "bcm43xx_pcm%d%s.fw", - (rev < 5 ? 4 : 5), - modparam_fwpostfix); - err = request_firmware(&phy->pcm, buf, &bcm->pci_dev->dev); + if (!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; + snprintf(buf, ARRAY_SIZE(buf), "bcm43xx_pcm%d.fw", + (rev < 5 ? 4 : 5)); + err = request_firmware(&dev->fw.pcm, buf, + dev->dev->dev); + if (err) { + bcmerr(dev->wl, "PCM \"%s\" not available " + "or load failed.\n", buf); + goto error; + } } } - if (!phy->initvals0) { + if (!dev->fw.initvals0) { if (rev == 2 || rev == 4) { - switch (phy->type) { - case BCM43xx_PHYTYPE_A: - nr = 3; - break; + switch (dev->phy.type) { case BCM43xx_PHYTYPE_B: case BCM43xx_PHYTYPE_G: nr = 1; @@ -1930,12 +1596,9 @@ static int bcm43xx_request_firmware(stru default: goto err_noinitval; } - + } else if (rev >= 5) { - switch (phy->type) { - case BCM43xx_PHYTYPE_A: - nr = 7; - break; + switch (dev->phy.type) { case BCM43xx_PHYTYPE_B: case BCM43xx_PHYTYPE_G: nr = 5; @@ -1943,36 +1606,34 @@ static int bcm43xx_request_firmware(stru default: goto err_noinitval; } - } else + } else { goto err_noinitval; + } snprintf(buf, ARRAY_SIZE(buf), "bcm43xx_initval%02d%s.fw", nr, modparam_fwpostfix); - err = request_firmware(&phy->initvals0, buf, &bcm->pci_dev->dev); + 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; + snprintf(buf, ARRAY_SIZE(buf), "bcm43xx_initval%02d.fw", + nr); + + err = request_firmware(&dev->fw.initvals0, buf, + dev->dev->dev); + if (err) { + bcmerr(dev->wl, "InitVals \"%s\" not available " + "or load failed.\n", buf); + goto error; + } } - if (phy->initvals0->size % sizeof(struct bcm43xx_initval)) { - printk(KERN_ERR PFX "InitVals fileformat error.\n"); + if (dev->fw.initvals0->size % sizeof(struct bcm43xx_initval)) { + bcmerr(dev->wl, "InitVals fileformat error.\n"); goto error; } } - if (!phy->initvals1) { + if (!dev->fw.initvals1) { if (rev >= 5) { - u32 sbtmstatehigh; - - switch (phy->type) { - case BCM43xx_PHYTYPE_A: - sbtmstatehigh = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH); - if (sbtmstatehigh & 0x00010000) - nr = 9; - else - nr = 10; - break; + switch (dev->phy.type) { case BCM43xx_PHYTYPE_B: case BCM43xx_PHYTYPE_G: nr = 6; @@ -1980,18 +1641,28 @@ static int bcm43xx_request_firmware(stru default: goto err_noinitval; } - snprintf(buf, ARRAY_SIZE(buf), "bcm43xx_initval%02d%s.fw", + snprintf(buf, ARRAY_SIZE(buf), + "bcm43xx_initval%02d%s.fw", nr, modparam_fwpostfix); - err = request_firmware(&phy->initvals1, buf, &bcm->pci_dev->dev); + 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; + snprintf(buf, ARRAY_SIZE(buf), + "bcm43xx_initval%02d.fw", nr); + + err = request_firmware(&dev->fw.initvals1, buf, + dev->dev->dev); + if (err) { + bcmerr(dev->wl, "InitVals \"%s\" not " + "available or load failed.\n", + buf); + goto error; + } } - if (phy->initvals1->size % sizeof(struct bcm43xx_initval)) { - printk(KERN_ERR PFX "InitVals fileformat error.\n"); + if (dev->fw.initvals1->size + % sizeof(struct bcm43xx_initval)) { + bcmerr(dev->wl, "InitVals format error.\n"); goto error; } } @@ -2000,44 +1671,102 @@ static int bcm43xx_request_firmware(stru out: return err; error: - bcm43xx_release_firmware(bcm, 1); + bcm43xx_release_firmware(dev); goto out; err_noinitval: - printk(KERN_ERR PFX "Error: No InitVals available!\n"); + bcmerr(dev->wl, "No InitVals available\n"); err = -ENOENT; goto error; } -static void bcm43xx_upload_microcode(struct bcm43xx_private *bcm) +static int bcm43xx_upload_microcode(struct bcm43xx_wldev *dev) { - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - const u32 *data; - unsigned int i, len; + const __be32 *data; + unsigned int i; + unsigned int len; + u16 fwrev; + u16 fwpatch; + u16 fwdate; + u16 fwtime; + u32 tmp; + int err = 0; /* Upload Microcode. */ - data = (u32 *)(phy->ucode->data); - len = phy->ucode->size / sizeof(u32); - bcm43xx_shm_control_word(bcm, BCM43xx_SHM_UCODE, 0x0000); + 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(bcm, BCM43xx_MMIO_SHM_DATA, + bcm43xx_write32(dev, BCM43xx_MMIO_SHM_DATA, be32_to_cpu(data[i])); udelay(10); } /* Upload PCM data. */ - data = (u32 *)(phy->pcm->data); - len = phy->pcm->size / sizeof(u32); - bcm43xx_shm_control_word(bcm, BCM43xx_SHM_PCM, 0x01ea); - bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_DATA, 0x00004000); - bcm43xx_shm_control_word(bcm, BCM43xx_SHM_PCM, 0x01eb); + 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(bcm, BCM43xx_MMIO_SHM_DATA, + 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) { + bcmerr(dev->wl, "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) { + bcmerr(dev->wl, "YOUR FIRMWARE IS TOO NEW. Only firmware " + "from binary drivers version 3.x is supported. " + "You must change your firmware files.\n"); + bcm43xx_write32(dev, BCM43xx_MMIO_STATUS_BITFIELD, 0); + err = -EOPNOTSUPP; + goto out; + } + bcmdbg(dev->wl, "Loading firmware version 0x%X, patch level %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_private *bcm, +static int bcm43xx_write_initvals(struct bcm43xx_wldev *dev, const struct bcm43xx_initval *data, const unsigned int len) { @@ -2055,33 +1784,37 @@ static int bcm43xx_write_initvals(struct if (size == 2) { if (unlikely(value & 0xFFFF0000)) goto err_format; - bcm43xx_write16(bcm, offset, (u16)value); + bcm43xx_write16(dev, offset, (u16)value); } else if (size == 4) { - bcm43xx_write32(bcm, offset, value); - } else + 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"); + bcmerr(dev->wl, "InitVals (bcm43xx_initvalXX.fw) file-format error. " + "Please fix your bcm43xx firmware files.\n"); return -EPROTO; } -static int bcm43xx_upload_initvals(struct bcm43xx_private *bcm) +static int bcm43xx_upload_initvals(struct bcm43xx_wldev *dev) { - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); int err; - err = bcm43xx_write_initvals(bcm, (struct bcm43xx_initval *)phy->initvals0->data, - phy->initvals0->size / sizeof(struct bcm43xx_initval)); + 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 (phy->initvals1) { - err = bcm43xx_write_initvals(bcm, (struct bcm43xx_initval *)phy->initvals1->data, - phy->initvals1->size / sizeof(struct bcm43xx_initval)); + 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; } @@ -2089,2180 +1822,2164 @@ out: return err; } -static int bcm43xx_initialize_irq(struct bcm43xx_private *bcm) -{ - int err; - - bcm->irq = bcm->pci_dev->irq; - err = request_irq(bcm->irq, bcm43xx_interrupt_handler, - IRQF_SHARED, KBUILD_MODNAME, bcm); - if (err) - printk(KERN_ERR PFX "Cannot register IRQ%d\n", bcm->irq); - - return err; -} - -/* Switch to the core used to write the GPIO register. - * This is either the ChipCommon, or the PCI core. - */ -static int switch_to_gpio_core(struct bcm43xx_private *bcm) -{ - int err; - - /* Where to find the GPIO register depends on the chipset. - * If it has a ChipCommon, its register at offset 0x6c is the GPIO - * control register. Otherwise the register at offset 0x6c in the - * PCI core is the GPIO control register. - */ - err = bcm43xx_switch_core(bcm, &bcm->core_chipcommon); - if (err == -ENODEV) { - err = bcm43xx_switch_core(bcm, &bcm->core_pci); - if (unlikely(err == -ENODEV)) { - printk(KERN_ERR PFX "gpio error: " - "Neither ChipCommon nor PCI core available!\n"); - } - } - - return err; -} - /* Initialize the GPIOs * http://bcm-specs.sipsolutions.net/GPIO */ -static int bcm43xx_gpio_init(struct bcm43xx_private *bcm) +static int bcm43xx_gpio_init(struct bcm43xx_wldev *dev) { - struct bcm43xx_coreinfo *old_core; - int err; + struct ssb_bus *bus = dev->dev->bus; + struct ssb_device *gpiodev, *pcidev = NULL; u32 mask, set; - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, - bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD) + bcm43xx_write32(dev, BCM43xx_MMIO_STATUS_BITFIELD, + bcm43xx_read32(dev, BCM43xx_MMIO_STATUS_BITFIELD) & 0xFFFF3FFF); - bcm43xx_leds_switch_all(bcm, 0); - bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_MASK, - bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_MASK) | 0x000F); + 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 (bcm->chip_id == 0x4301) { + if (dev->dev->bus->chip_id == 0x4301) { mask |= 0x0060; set |= 0x0060; } if (0 /* FIXME: conditional unknown */) { - bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_MASK, - bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_MASK) + bcm43xx_write16(dev, BCM43xx_MMIO_GPIO_MASK, + bcm43xx_read16(dev, BCM43xx_MMIO_GPIO_MASK) | 0x0100); mask |= 0x0180; set |= 0x0180; } - if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL) { - bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_MASK, - bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_MASK) + 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 (bcm->current_core->rev >= 2) + if (dev->dev->id.revision >= 2) mask |= 0x0010; /* FIXME: This is redundant. */ - old_core = bcm->current_core; - err = switch_to_gpio_core(bcm); - if (err) - goto out; - bcm43xx_write32(bcm, BCM43xx_GPIO_CONTROL, - (bcm43xx_read32(bcm, BCM43xx_GPIO_CONTROL) & mask) | set); - err = bcm43xx_switch_core(bcm, old_core); -out: - return err; +#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 int bcm43xx_gpio_cleanup(struct bcm43xx_private *bcm) +static void bcm43xx_gpio_cleanup(struct bcm43xx_wldev *dev) { - struct bcm43xx_coreinfo *old_core; - int err; - - old_core = bcm->current_core; - err = switch_to_gpio_core(bcm); - if (err) - return err; - bcm43xx_write32(bcm, BCM43xx_GPIO_CONTROL, 0x00000000); - err = bcm43xx_switch_core(bcm, old_core); - assert(err == 0); + struct ssb_bus *bus = dev->dev->bus; + struct ssb_device *gpiodev, *pcidev = NULL; - return 0; +#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_private *bcm) +void bcm43xx_mac_enable(struct bcm43xx_wldev *dev) { - bcm->mac_suspended--; - assert(bcm->mac_suspended >= 0); - if (bcm->mac_suspended == 0) { - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, - bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD) + dev->mac_suspended--; + BCM43xx_WARN_ON(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(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, BCM43xx_IRQ_READY); - bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); /* dummy read */ - bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */ - bcm43xx_power_saving_ctl_bits(bcm, -1, -1); + bcm43xx_write32(dev, BCM43xx_MMIO_GEN_IRQ_REASON, + BCM43xx_IRQ_MAC_SUSPENDED); + /* the next two are dummy reads */ + bcm43xx_read32(dev, BCM43xx_MMIO_STATUS_BITFIELD); + bcm43xx_read32(dev, BCM43xx_MMIO_GEN_IRQ_REASON); + bcm43xx_power_saving_ctl_bits(dev, -1, -1); } } /* http://bcm-specs.sipsolutions.net/SuspendMAC */ -void bcm43xx_mac_suspend(struct bcm43xx_private *bcm) +void bcm43xx_mac_suspend(struct bcm43xx_wldev *dev) { int i; u32 tmp; - assert(bcm->mac_suspended >= 0); - if (bcm->mac_suspended == 0) { - bcm43xx_power_saving_ctl_bits(bcm, -1, 1); - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, - bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD) + BCM43xx_WARN_ON(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(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */ + bcm43xx_read32(dev, BCM43xx_MMIO_GEN_IRQ_REASON); for (i = 10000; i; i--) { - tmp = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); - if (tmp & BCM43xx_IRQ_READY) + 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"); + bcmerr(dev->wl, "MAC suspend failed\n"); } out: - bcm->mac_suspended++; + dev->mac_suspended++; } -void bcm43xx_set_iwmode(struct bcm43xx_private *bcm, - int iw_mode) +static void bcm43xx_adjust_opmode(struct bcm43xx_wldev *dev) { - unsigned long flags; - struct net_device *net_dev = bcm->net_dev; - u32 status; - u16 value; - - spin_lock_irqsave(&bcm->ieee->lock, flags); - bcm->ieee->iw_mode = iw_mode; - spin_unlock_irqrestore(&bcm->ieee->lock, flags); - if (iw_mode == IW_MODE_MONITOR) - net_dev->type = ARPHRD_IEEE80211; - else - net_dev->type = ARPHRD_ETHER; - - status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); - /* Reset status to infrastructured mode */ - status &= ~(BCM43xx_SBF_MODE_AP | BCM43xx_SBF_MODE_MONITOR); - status &= ~BCM43xx_SBF_MODE_PROMISC; - status |= BCM43xx_SBF_MODE_NOTADHOC; - -/* FIXME: Always enable promisc mode, until we get the MAC filters working correctly. */ -status |= BCM43xx_SBF_MODE_PROMISC; - - switch (iw_mode) { - case IW_MODE_MONITOR: - status |= BCM43xx_SBF_MODE_MONITOR; - status |= BCM43xx_SBF_MODE_PROMISC; - break; - case IW_MODE_ADHOC: - status &= ~BCM43xx_SBF_MODE_NOTADHOC; - break; - case IW_MODE_MASTER: - status |= BCM43xx_SBF_MODE_AP; - break; - case IW_MODE_SECOND: - case IW_MODE_REPEAT: - TODO(); /* TODO */ - break; - case IW_MODE_INFRA: - /* nothing to be done here... */ - break; - default: - dprintk(KERN_ERR PFX "Unknown mode in set_iwmode: %d\n", iw_mode); + 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: + bcmerr(wl, "Improper value of %d for wl->if_type\n", + wl->if_type); + } } - if (net_dev->flags & IFF_PROMISC) - status |= BCM43xx_SBF_MODE_PROMISC; - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status); - - value = 0x0002; - if (iw_mode != IW_MODE_ADHOC && iw_mode != IW_MODE_MASTER) { - if (bcm->chip_id == 0x4306 && bcm->chip_rev == 3) - value = 0x0064; + 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; + /* Workaround: On old hardware the HW-MAC-address-filter + * doesn't work properly, so always run promisc in filter + * it in software. */ + if (dev->dev->id.revision <= 4) + 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 - value = 0x0032; + cfp_pretbtt = 50; } - bcm43xx_write16(bcm, 0x0612, value); + bcm43xx_write16(dev, 0x612, cfp_pretbtt); } -/* This is the opposite of bcm43xx_chip_init() */ -static void bcm43xx_chip_cleanup(struct bcm43xx_private *bcm) +static void bcm43xx_rate_memory_write(struct bcm43xx_wldev *dev, + u16 rate, + int is_ofdm) { - bcm43xx_radio_turn_off(bcm); - if (!modparam_noleds) - bcm43xx_leds_exit(bcm); - bcm43xx_gpio_cleanup(bcm); - bcm43xx_release_firmware(bcm, 0); + 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)); } -/* Initialize the chip - * http://bcm-specs.sipsolutions.net/ChipInit - */ -static int bcm43xx_chip_init(struct bcm43xx_private *bcm) +static void bcm43xx_rate_memory_init(struct bcm43xx_wldev *dev) { - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - int err; - int i, tmp; - u32 value32; - u16 value16; - - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, - BCM43xx_SBF_CORE_READY - | BCM43xx_SBF_400); - - err = bcm43xx_request_firmware(bcm); - if (err) - goto out; - bcm43xx_upload_microcode(bcm); - - bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, 0xFFFFFFFF); - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, 0x00020402); - i = 0; - while (1) { - value32 = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); - if (value32 == BCM43xx_IRQ_READY) - break; - i++; - if (i >= BCM43xx_IRQWAIT_MAX_RETRIES) { - printk(KERN_ERR PFX "IRQ_READY timeout\n"); - err = -ENODEV; - goto err_release_fw; - } - udelay(10); + switch (dev->phy.type) { + 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); + /* 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: + BCM43xx_BUG_ON(1); } - bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */ +} - value16 = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODE_REVISION); +/* 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; - dprintk(KERN_INFO PFX "Microcode rev 0x%x, pl 0x%x " - "(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n", value16, - bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODE_PATCHLEVEL), - (bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODE_DATE) >> 12) & 0xf, - (bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODE_DATE) >> 8) & 0xf, - bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODE_DATE) & 0xff, - (bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODE_TIME) >> 11) & 0x1f, - (bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODE_TIME) >> 5) & 0x3f, - bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODE_TIME) & 0x1f); - - if ( value16 > 0x128 ) { - printk(KERN_ERR PFX - "Firmware: no support for microcode extracted " - "from version 4.x binary drivers.\n"); - err = -EOPNOTSUPP; - goto err_release_fw; + 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: + BCM43xx_BUG_ON(1); } - err = bcm43xx_gpio_init(bcm); + /* 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; + int 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 err_release_fw; + goto out; + err = bcm43xx_upload_microcode(dev); + if (err) + goto out; /* firmware is released later */ - err = bcm43xx_upload_initvals(bcm); + 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(bcm); - bcm->radio_hw_enable = bcm43xx_is_hw_radio_enabled(bcm); - dprintk(KERN_INFO PFX "Radio %s by hardware\n", - (bcm->radio_hw_enable == 0) ? "disabled" : "enabled"); + bcm43xx_radio_turn_on(dev); + dev->radio_hw_enable = bcm43xx_is_hw_radio_enabled(dev); + bcmdbg(dev->wl, "Radio %s by hardware\n", + (dev->radio_hw_enable == 0) ? "disabled" : "enabled"); - bcm43xx_write16(bcm, 0x03E6, 0x0000); - err = bcm43xx_phy_init(bcm); + bcm43xx_write16(dev, 0x03E6, 0x0000); + err = bcm43xx_phy_init(dev); if (err) goto err_radio_off; /* Select initial Interference Mitigation. */ - tmp = radio->interfmode; - radio->interfmode = BCM43xx_RADIO_INTERFMODE_NONE; - bcm43xx_radio_set_interference_mitigation(bcm, tmp); + tmp = phy->interfmode; + phy->interfmode = BCM43xx_INTERFMODE_NONE; + bcm43xx_radio_set_interference_mitigation(dev, tmp); + + bcm43xx_phy_set_antenna_diversity(dev); + bcm43xx_mgmtframe_txantenna(dev, BCM43xx_ANTENNA_DEFAULT); - bcm43xx_phy_set_antenna_diversity(bcm); - bcm43xx_radio_set_txantenna(bcm, BCM43xx_RADIO_TXANTENNA_DEFAULT); if (phy->type == BCM43xx_PHYTYPE_B) { - value16 = bcm43xx_read16(bcm, 0x005E); + value16 = bcm43xx_read16(dev, 0x005E); value16 |= 0x0004; - bcm43xx_write16(bcm, 0x005E, value16); + bcm43xx_write16(dev, 0x005E, value16); } - bcm43xx_write32(bcm, 0x0100, 0x01000000); - if (bcm->current_core->rev < 5) - bcm43xx_write32(bcm, 0x010C, 0x01000000); + bcm43xx_write32(dev, 0x0100, 0x01000000); + if (dev->dev->id.revision < 5) + bcm43xx_write32(dev, 0x010C, 0x01000000); - value32 = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); + value32 = bcm43xx_read32(dev, BCM43xx_MMIO_STATUS_BITFIELD); value32 &= ~ BCM43xx_SBF_MODE_NOTADHOC; - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, value32); - value32 = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); + bcm43xx_write32(dev, BCM43xx_MMIO_STATUS_BITFIELD, value32); + value32 = bcm43xx_read32(dev, BCM43xx_MMIO_STATUS_BITFIELD); value32 |= BCM43xx_SBF_MODE_NOTADHOC; - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, value32); + bcm43xx_write32(dev, BCM43xx_MMIO_STATUS_BITFIELD, value32); - value32 = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); + value32 = bcm43xx_read32(dev, BCM43xx_MMIO_STATUS_BITFIELD); value32 |= 0x100000; - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, value32); + bcm43xx_write32(dev, BCM43xx_MMIO_STATUS_BITFIELD, value32); - if (bcm43xx_using_pio(bcm)) { - bcm43xx_write32(bcm, 0x0210, 0x00000100); - bcm43xx_write32(bcm, 0x0230, 0x00000100); - bcm43xx_write32(bcm, 0x0250, 0x00000100); - bcm43xx_write32(bcm, 0x0270, 0x00000100); - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0034, 0x0000); + 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(bcm, BCM43xx_SHM_SHARED, 0x0074, 0x0000); + bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, 0x0074, 0x0000); /* Initially set the wireless operation mode. */ - bcm43xx_set_iwmode(bcm, bcm->ieee->iw_mode); + bcm43xx_adjust_opmode(dev); - if (bcm->current_core->rev < 3) { - bcm43xx_write16(bcm, 0x060E, 0x0000); - bcm43xx_write16(bcm, 0x0610, 0x8000); - bcm43xx_write16(bcm, 0x0604, 0x0000); - bcm43xx_write16(bcm, 0x0606, 0x0200); + 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(bcm, 0x0188, 0x80000000); - bcm43xx_write32(bcm, 0x018C, 0x02000000); + bcm43xx_write32(dev, 0x0188, 0x80000000); + bcm43xx_write32(dev, 0x018C, 0x02000000); } - bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, 0x00004000); - bcm43xx_write32(bcm, BCM43xx_MMIO_DMA0_IRQ_MASK, 0x0001DC00); - bcm43xx_write32(bcm, BCM43xx_MMIO_DMA1_IRQ_MASK, 0x0000DC00); - bcm43xx_write32(bcm, BCM43xx_MMIO_DMA2_IRQ_MASK, 0x0000DC00); - bcm43xx_write32(bcm, BCM43xx_MMIO_DMA3_IRQ_MASK, 0x0001DC00); - bcm43xx_write32(bcm, BCM43xx_MMIO_DMA4_IRQ_MASK, 0x0000DC00); - bcm43xx_write32(bcm, BCM43xx_MMIO_DMA5_IRQ_MASK, 0x0000DC00); + 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 = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); + value32 = ssb_read32(dev->dev, SSB_TMSLOW); value32 |= 0x00100000; - bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, value32); + ssb_write32(dev->dev, SSB_TMSLOW, value32); - bcm43xx_write16(bcm, BCM43xx_MMIO_POWERUP_DELAY, bcm43xx_pctl_powerup_delay(bcm)); + bcm43xx_write16(dev, BCM43xx_MMIO_POWERUP_DELAY, + dev->dev->bus->chipco.fast_pwrup_delay); - assert(err == 0); - dprintk(KERN_INFO PFX "Chip initialized\n"); + BCM43xx_WARN_ON(err != 0); + bcmdbg(dev->wl, "Chip initialized\n"); out: return err; err_radio_off: - bcm43xx_radio_turn_off(bcm); + bcm43xx_radio_turn_off(dev); err_gpio_cleanup: - bcm43xx_gpio_cleanup(bcm); -err_release_fw: - bcm43xx_release_firmware(bcm, 1); + bcm43xx_gpio_cleanup(dev); goto out; } - -/* Validate chip access - * http://bcm-specs.sipsolutions.net/ValidateChipAccess */ -static int bcm43xx_validate_chip(struct bcm43xx_private *bcm) -{ - u32 value; - u32 shm_backup; - - shm_backup = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, 0x0000); - bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, 0x0000, 0xAA5555AA); - if (bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, 0x0000) != 0xAA5555AA) - goto error; - bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, 0x0000, 0x55AAAA55); - if (bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, 0x0000) != 0x55AAAA55) - goto error; - bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, 0x0000, shm_backup); - value = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); - if ((value | 0x80000000) != 0x80000400) - goto error; +static void bcm43xx_periodic_every120sec(struct bcm43xx_wldev *dev) +{ + struct bcm43xx_phy *phy = &dev->phy; - value = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); - if (value != 0x00000000) - goto error; + if (phy->type != BCM43xx_PHYTYPE_G || phy->rev < 2) + return; - return 0; -error: - printk(KERN_ERR PFX "Failed to validate the chipaccess\n"); - return -ENODEV; + bcm43xx_mac_suspend(dev); + bcm43xx_phy_lo_g_measure(dev); + bcm43xx_mac_enable(dev); } -static void bcm43xx_init_struct_phyinfo(struct bcm43xx_phyinfo *phy) +static void bcm43xx_periodic_every60sec(struct bcm43xx_wldev *dev) { - /* Initialize a "phyinfo" structure. The structure is already - * zeroed out. - * This is called on insmod time to initialize members. - */ - phy->savedpctlreg = 0xFFFF; - spin_lock_init(&phy->lock); + bcm43xx_phy_lo_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_init_struct_radioinfo(struct bcm43xx_radioinfo *radio) +static void bcm43xx_periodic_every30sec(struct bcm43xx_wldev *dev) { - /* Initialize a "radioinfo" structure. The structure is already - * zeroed out. - * This is called on insmod time to initialize members. - */ - radio->interfmode = BCM43xx_RADIO_INTERFMODE_NONE; - radio->channel = 0xFF; - radio->initial_channel = 0xFF; -} - -static int bcm43xx_probe_cores(struct bcm43xx_private *bcm) -{ - int err, i; - int current_core; - u32 core_vendor, core_id, core_rev; - u32 sb_id_hi, chip_id_32 = 0; - u16 pci_device, chip_id_16; - u8 core_count; - - memset(&bcm->core_chipcommon, 0, sizeof(struct bcm43xx_coreinfo)); - memset(&bcm->core_pci, 0, sizeof(struct bcm43xx_coreinfo)); - memset(&bcm->core_80211, 0, sizeof(struct bcm43xx_coreinfo) - * BCM43xx_MAX_80211_CORES); - memset(&bcm->core_80211_ext, 0, sizeof(struct bcm43xx_coreinfo_80211) - * BCM43xx_MAX_80211_CORES); - bcm->nr_80211_available = 0; - bcm->current_core = NULL; - bcm->active_80211_core = NULL; - - /* map core 0 */ - err = _switch_core(bcm, 0); - if (err) - goto out; - - /* fetch sb_id_hi from core information registers */ - sb_id_hi = bcm43xx_read32(bcm, BCM43xx_CIR_SB_ID_HI); - - core_id = (sb_id_hi & 0x8FF0) >> 4; - core_rev = (sb_id_hi & 0x7000) >> 8; - core_rev |= (sb_id_hi & 0xF); - core_vendor = (sb_id_hi & 0xFFFF0000) >> 16; - - /* if present, chipcommon is always core 0; read the chipid from it */ - if (core_id == BCM43xx_COREID_CHIPCOMMON) { - chip_id_32 = bcm43xx_read32(bcm, 0); - chip_id_16 = chip_id_32 & 0xFFFF; - bcm->core_chipcommon.available = 1; - bcm->core_chipcommon.id = core_id; - bcm->core_chipcommon.rev = core_rev; - bcm->core_chipcommon.index = 0; - /* While we are at it, also read the capabilities. */ - bcm->chipcommon_capabilities = bcm43xx_read32(bcm, BCM43xx_CHIPCOMMON_CAPABILITIES); - } else { - /* without a chipCommon, use a hard coded table. */ - pci_device = bcm->pci_dev->device; - if (pci_device == 0x4301) - chip_id_16 = 0x4301; - else if ((pci_device >= 0x4305) && (pci_device <= 0x4307)) - chip_id_16 = 0x4307; - else if ((pci_device >= 0x4402) && (pci_device <= 0x4403)) - chip_id_16 = 0x4402; - else if ((pci_device >= 0x4610) && (pci_device <= 0x4615)) - chip_id_16 = 0x4610; - else if ((pci_device >= 0x4710) && (pci_device <= 0x4715)) - chip_id_16 = 0x4710; - else { - printk(KERN_ERR PFX "Could not determine Chip ID\n"); - return -ENODEV; - } - } - - /* ChipCommon with Core Rev >=4 encodes number of cores, - * otherwise consult hardcoded table */ - if ((core_id == BCM43xx_COREID_CHIPCOMMON) && (core_rev >= 4)) { - core_count = (chip_id_32 & 0x0F000000) >> 24; - } else { - switch (chip_id_16) { - case 0x4610: - case 0x4704: - case 0x4710: - core_count = 9; - break; - case 0x4310: - core_count = 8; - break; - case 0x5365: - core_count = 7; - break; - case 0x4306: - core_count = 6; - break; - case 0x4301: - case 0x4307: - core_count = 5; - break; - case 0x4402: - core_count = 3; - break; - default: - /* SOL if we get here */ - assert(0); - core_count = 1; - } - } - - bcm->chip_id = chip_id_16; - bcm->chip_rev = (chip_id_32 & 0x000F0000) >> 16; - bcm->chip_package = (chip_id_32 & 0x00F00000) >> 20; - - dprintk(KERN_INFO PFX "Chip ID 0x%x, rev 0x%x\n", - bcm->chip_id, bcm->chip_rev); - dprintk(KERN_INFO PFX "Number of cores: %d\n", core_count); - if (bcm->core_chipcommon.available) { - dprintk(KERN_INFO PFX "Core 0: ID 0x%x, rev 0x%x, vendor 0x%x\n", - core_id, core_rev, core_vendor); - current_core = 1; - } else - current_core = 0; - for ( ; current_core < core_count; current_core++) { - struct bcm43xx_coreinfo *core; - struct bcm43xx_coreinfo_80211 *ext_80211; - - err = _switch_core(bcm, current_core); - if (err) - goto out; - /* Gather information */ - /* fetch sb_id_hi from core information registers */ - sb_id_hi = bcm43xx_read32(bcm, BCM43xx_CIR_SB_ID_HI); - - /* extract core_id, core_rev, core_vendor */ - core_id = (sb_id_hi & 0x8FF0) >> 4; - core_rev = ((sb_id_hi & 0xF) | ((sb_id_hi & 0x7000) >> 8)); - core_vendor = (sb_id_hi & 0xFFFF0000) >> 16; - - dprintk(KERN_INFO PFX "Core %d: ID 0x%x, rev 0x%x, vendor 0x%x\n", - current_core, core_id, core_rev, core_vendor); - - core = NULL; - switch (core_id) { - case BCM43xx_COREID_PCI: - case BCM43xx_COREID_PCIE: - core = &bcm->core_pci; - if (core->available) { - printk(KERN_WARNING PFX "Multiple PCI cores found.\n"); - continue; - } - break; - case BCM43xx_COREID_80211: - for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) { - core = &(bcm->core_80211[i]); - ext_80211 = &(bcm->core_80211_ext[i]); - if (!core->available) - break; - core = NULL; - } - if (!core) { - printk(KERN_WARNING PFX "More than %d cores of type 802.11 found.\n", - BCM43xx_MAX_80211_CORES); - continue; - } - if (i != 0) { - /* More than one 80211 core is only supported - * by special chips. - * There are chips with two 80211 cores, but with - * dangling pins on the second core. Be careful - * and ignore these cores here. - */ - if (1 /*bcm->pci_dev->device != 0x4324*/ ) { - /* TODO: A PHY */ - dprintk(KERN_INFO PFX "Ignoring additional 802.11a core.\n"); - continue; - } - } - switch (core_rev) { - case 2: - case 4: - case 5: - case 6: - case 7: - case 9: - case 10: - break; - default: - printk(KERN_WARNING PFX - "Unsupported 80211 core revision %u\n", - core_rev); - } - bcm->nr_80211_available++; - core->priv = ext_80211; - bcm43xx_init_struct_phyinfo(&ext_80211->phy); - bcm43xx_init_struct_radioinfo(&ext_80211->radio); - break; - case BCM43xx_COREID_CHIPCOMMON: - printk(KERN_WARNING PFX "Multiple CHIPCOMMON cores found.\n"); - break; - } - if (core) { - core->available = 1; - core->id = core_id; - core->rev = core_rev; - core->index = current_core; - } - } - - if (!bcm->core_80211[0].available) { - printk(KERN_ERR PFX "Error: No 80211 core found!\n"); - err = -ENODEV; - goto out; - } - - err = bcm43xx_switch_core(bcm, &bcm->core_80211[0]); - - assert(err == 0); -out: - return err; + /* Update device statistics. */ + bcm43xx_calculate_link_quality(dev); } -static void bcm43xx_gen_bssid(struct bcm43xx_private *bcm) +static void bcm43xx_periodic_every15sec(struct bcm43xx_wldev *dev) { - const u8 *mac = (const u8*)(bcm->net_dev->dev_addr); - u8 *bssid = bcm->ieee->bssid; - - switch (bcm->ieee->iw_mode) { - case IW_MODE_ADHOC: - random_ether_addr(bssid); - break; - case IW_MODE_MASTER: - case IW_MODE_INFRA: - case IW_MODE_REPEAT: - case IW_MODE_SECOND: - case IW_MODE_MONITOR: - memcpy(bssid, mac, ETH_ALEN); - break; - default: - assert(0); - } + bcm43xx_phy_xmitpower(dev); /* FIXME: unless scanning? */ } -static void bcm43xx_rate_memory_write(struct bcm43xx_private *bcm, - u16 rate, - int is_ofdm) +static void bcm43xx_periodic_every1sec(struct bcm43xx_wldev *dev) { - u16 offset; + int radio_hw_enable; - 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; + /* 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; + bcmdbg(dev->wl, "Radio hardware status changed to %s\n", + (radio_hw_enable == 0) ? "disabled" : "enabled"); + bcm43xx_leds_update(dev, 0); } - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, offset + 0x20, - bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, offset)); } -static void bcm43xx_rate_memory_init(struct bcm43xx_private *bcm) +static void do_periodic_work(struct bcm43xx_wldev *dev) { - switch (bcm43xx_current_phy(bcm)->type) { - case BCM43xx_PHYTYPE_A: - case BCM43xx_PHYTYPE_G: - bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_6MB, 1); - bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_12MB, 1); - bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_18MB, 1); - bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_24MB, 1); - bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_36MB, 1); - bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_48MB, 1); - bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_54MB, 1); - case BCM43xx_PHYTYPE_B: - bcm43xx_rate_memory_write(bcm, IEEE80211_CCK_RATE_1MB, 0); - bcm43xx_rate_memory_write(bcm, IEEE80211_CCK_RATE_2MB, 0); - bcm43xx_rate_memory_write(bcm, IEEE80211_CCK_RATE_5MB, 0); - bcm43xx_rate_memory_write(bcm, IEEE80211_CCK_RATE_11MB, 0); - break; - default: - assert(0); - } + 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); } -static void bcm43xx_wireless_core_cleanup(struct bcm43xx_private *bcm) +/* 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) { - bcm43xx_chip_cleanup(bcm); - bcm43xx_pio_free(bcm); - bcm43xx_dma_free(bcm); + 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; - bcm->current_core->initialized = 0; +#define BADNESS_LIMIT 4 + return badness; } -/* http://bcm-specs.sipsolutions.net/80211Init */ -static int bcm43xx_wireless_core_init(struct bcm43xx_private *bcm, - int active_wlcore) +static void bcm43xx_periodic_work_handler(struct work_struct *work) { - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - u32 ucodeflags; - int err; - u32 sbimconfiglow; - u8 limit; + struct bcm43xx_wldev *dev = + container_of(work, struct bcm43xx_wldev, periodic_work.work); + unsigned long flags; + unsigned long delay; + u32 savedirqs = 0; + int badness; - if (bcm->core_pci.rev <= 5 && bcm->core_pci.id != BCM43xx_COREID_PCIE) { - sbimconfiglow = bcm43xx_read32(bcm, BCM43xx_CIR_SBIMCONFIGLOW); - sbimconfiglow &= ~ BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_MASK; - sbimconfiglow &= ~ BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_MASK; - if (bcm->bustype == BCM43xx_BUSTYPE_PCI) - sbimconfiglow |= 0x32; - else - sbimconfiglow |= 0x53; - bcm43xx_write32(bcm, BCM43xx_CIR_SBIMCONFIGLOW, sbimconfiglow); - } + mutex_lock(&dev->wl->mutex); - bcm43xx_phy_calibrate(bcm); - err = bcm43xx_chip_init(bcm); - if (err) + if (unlikely(bcm43xx_status(dev) != BCM43xx_STAT_STARTED)) goto out; + if (bcm43xx_debug(dev, BCM43xx_DBG_PWORK_STOP)) + goto out_requeue; - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0016, bcm->current_core->rev); - ucodeflags = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, BCM43xx_UCODEFLAGS_OFFSET); - - if (0 /*FIXME: which condition has to be used here? */) - ucodeflags |= 0x00000010; + 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); - /* HW decryption needs to be set now */ - ucodeflags |= 0x40000000; - - if (phy->type == BCM43xx_PHYTYPE_G) { - ucodeflags |= BCM43xx_UCODEFLAG_UNKBGPHY; - if (phy->rev == 1) - ucodeflags |= BCM43xx_UCODEFLAG_UNKGPHY; - if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL) - ucodeflags |= BCM43xx_UCODEFLAG_UNKPACTRL; - } else if (phy->type == BCM43xx_PHYTYPE_B) { - ucodeflags |= BCM43xx_UCODEFLAG_UNKBGPHY; - if (phy->rev >= 2 && radio->version == 0x2050) - ucodeflags &= ~BCM43xx_UCODEFLAG_UNKGPHY; - } + do_periodic_work(dev); - if (ucodeflags != bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODEFLAGS_OFFSET)) { - bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODEFLAGS_OFFSET, ucodeflags); + mmiowb(); + spin_unlock_irqrestore(&dev->wl->irq_lock, flags); } - - /* Short/Long Retry Limit. - * The retry-limit is a 4-bit counter. Enforce this to avoid overflowing - * the chip-internal counter. - */ - limit = limit_value(modparam_short_retry, 0, 0xF); - bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0006, limit); - limit = limit_value(modparam_long_retry, 0, 0xF); - bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0007, limit); - - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0044, 3); - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0046, 2); - - bcm43xx_rate_memory_init(bcm); - - /* Minimum Contention Window */ - if (phy->type == BCM43xx_PHYTYPE_B) - bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0003, 0x0000001f); + dev->periodic_state++; +out_requeue: + if (bcm43xx_debug(dev, BCM43xx_DBG_PWORK_FAST)) + delay = msecs_to_jiffies(50); else - bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0003, 0x0000000f); - /* Maximum Contention Window */ - bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0004, 0x000003ff); - - bcm43xx_gen_bssid(bcm); - bcm43xx_write_mac_bssid_templates(bcm); - - if (bcm->current_core->rev >= 5) - bcm43xx_write16(bcm, 0x043C, 0x000C); - - if (active_wlcore) { - if (bcm43xx_using_pio(bcm)) { - err = bcm43xx_pio_init(bcm); - } else { - err = bcm43xx_dma_init(bcm); - if (err == -ENOSYS) - err = bcm43xx_pio_init(bcm); - } - if (err) - goto err_chip_cleanup; - } - bcm43xx_write16(bcm, 0x0612, 0x0050); - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0416, 0x0050); - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0414, 0x01F4); - - if (active_wlcore) { - if (radio->initial_channel != 0xFF) - bcm43xx_radio_selectchannel(bcm, radio->initial_channel, 0); - } - - /* Don't enable MAC/IRQ here, as it will race with the IRQ handler. - * We enable it later. - */ - bcm->current_core->initialized = 1; + delay = round_jiffies(HZ); + queue_delayed_work(dev->wl->hw->workqueue, + &dev->periodic_work, delay); out: - return err; - -err_chip_cleanup: - bcm43xx_chip_cleanup(bcm); - goto out; + mutex_unlock(&dev->wl->mutex); } -static int bcm43xx_chipset_attach(struct bcm43xx_private *bcm) +static void bcm43xx_periodic_tasks_delete(struct bcm43xx_wldev *dev) { - int err; - u16 pci_status; - - err = bcm43xx_pctl_set_crystal(bcm, 1); - if (err) - goto out; - err = bcm43xx_pci_read_config16(bcm, PCI_STATUS, &pci_status); - if (err) - goto out; - err = bcm43xx_pci_write_config16(bcm, PCI_STATUS, pci_status & ~PCI_STATUS_SIG_TARGET_ABORT); - -out: - return err; + cancel_rearming_delayed_work(&dev->periodic_work); } -static void bcm43xx_chipset_detach(struct bcm43xx_private *bcm) +static void bcm43xx_periodic_tasks_setup(struct bcm43xx_wldev *dev) { - bcm43xx_pctl_set_clock(bcm, BCM43xx_PCTL_CLK_SLOW); - bcm43xx_pctl_set_crystal(bcm, 0); -} + struct delayed_work *work = &dev->periodic_work; -static void bcm43xx_pcicore_broadcast_value(struct bcm43xx_private *bcm, - u32 address, - u32 data) -{ - bcm43xx_write32(bcm, BCM43xx_PCICORE_BCAST_ADDR, address); - bcm43xx_write32(bcm, BCM43xx_PCICORE_BCAST_DATA, data); + dev->periodic_state = 0; + INIT_DELAYED_WORK(work, bcm43xx_periodic_work_handler); + queue_delayed_work(dev->wl->hw->workqueue, work, 0); } -static int bcm43xx_pcicore_commit_settings(struct bcm43xx_private *bcm) +/* Validate access to the chip (SHM) */ +static int bcm43xx_validate_chipaccess(struct bcm43xx_wldev *dev) { - int err = 0; - - bcm->irq_savedstate = bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL); + u32 value; + u32 shm_backup; - if (bcm->core_chipcommon.available) { - err = bcm43xx_switch_core(bcm, &bcm->core_chipcommon); - if (err) - goto out; + 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); - bcm43xx_pcicore_broadcast_value(bcm, 0xfd8, 0x00000000); + value = bcm43xx_read32(dev, BCM43xx_MMIO_MACCTL); + if ((value | BCM43xx_MACCTL_GMODE) != + (BCM43xx_MACCTL_GMODE | BCM43xx_MACCTL_IHR_ENABLED)) + goto error; - /* this function is always called when a PCI core is mapped */ - err = bcm43xx_switch_core(bcm, &bcm->core_pci); - if (err) - goto out; - } else - bcm43xx_pcicore_broadcast_value(bcm, 0xfd8, 0x00000000); + value = bcm43xx_read32(dev, BCM43xx_MMIO_GEN_IRQ_REASON); + if (value) + goto error; - bcm43xx_interrupt_enable(bcm, bcm->irq_savedstate); + return 0; +error: + bcmerr(dev->wl, "Failed to validate the chipaccess\n"); + return -ENODEV; +} -out: - return err; +static void bcm43xx_security_init(struct bcm43xx_wldev *dev) +{ + dev->max_nr_keys = (dev->dev->id.revision >= 5) ? 58 : 20; + BCM43xx_WARN_ON(dev->max_nr_keys > ARRAY_SIZE(dev->key)); + dev->ktp = bcm43xx_shm_read16(dev, BCM43xx_SHM_SHARED, + 0x0056); + /* 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 u32 bcm43xx_pcie_reg_read(struct bcm43xx_private *bcm, u32 address) +static int bcm43xx_rng_read(struct hwrng *rng, u32 *data) { - bcm43xx_write32(bcm, BCM43xx_PCIECORE_REG_ADDR, address); - return bcm43xx_read32(bcm, BCM43xx_PCIECORE_REG_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_pcie_reg_write(struct bcm43xx_private *bcm, u32 address, - u32 data) +static void bcm43xx_rng_exit(struct bcm43xx_wl *wl) { - bcm43xx_write32(bcm, BCM43xx_PCIECORE_REG_ADDR, address); - bcm43xx_write32(bcm, BCM43xx_PCIECORE_REG_DATA, data); + if (wl->rng_initialized) + hwrng_unregister(&wl->rng); } -static void bcm43xx_pcie_mdio_write(struct bcm43xx_private *bcm, u8 dev, u8 reg, - u16 data) +static int bcm43xx_rng_init(struct bcm43xx_wl *wl) { - int i; + int err; - bcm43xx_write32(bcm, BCM43xx_PCIECORE_MDIO_CTL, 0x0082); - bcm43xx_write32(bcm, BCM43xx_PCIECORE_MDIO_DATA, BCM43xx_PCIE_MDIO_ST | - BCM43xx_PCIE_MDIO_WT | (dev << BCM43xx_PCIE_MDIO_DEV) | - (reg << BCM43xx_PCIE_MDIO_REG) | BCM43xx_PCIE_MDIO_TA | - data); - udelay(10); - - for (i = 0; i < 10; i++) { - if (bcm43xx_read32(bcm, BCM43xx_PCIECORE_MDIO_CTL) & - BCM43xx_PCIE_MDIO_TC) - break; - msleep(1); + 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; + bcmerr(wl, "Failed to register the random " + "number generator (%d)\n", err); } - bcm43xx_write32(bcm, BCM43xx_PCIECORE_MDIO_CTL, 0); + + return err; } -/* Make an I/O Core usable. "core_mask" is the bitmask of the cores to enable. - * To enable core 0, pass a core_mask of 1<<0 - */ -static int bcm43xx_setup_backplane_pci_connection(struct bcm43xx_private *bcm, - u32 core_mask) +static int bcm43xx_tx(struct ieee80211_hw *hw, + struct sk_buff *skb, + struct ieee80211_tx_control *ctl) { - u32 backplane_flag_nr; - u32 value; - struct bcm43xx_coreinfo *old_core; - int err = 0; - - value = bcm43xx_read32(bcm, BCM43xx_CIR_SBTPSFLAG); - backplane_flag_nr = value & BCM43xx_BACKPLANE_FLAG_NR_MASK; + struct bcm43xx_wl *wl = hw_to_bcm43xx_wl(hw); + struct bcm43xx_wldev *dev = wl->current_dev; + int err = -ENODEV; + unsigned long flags; - old_core = bcm->current_core; - err = bcm43xx_switch_core(bcm, &bcm->core_pci); - if (err) + if (unlikely(!dev)) goto out; - - if (bcm->current_core->rev < 6 && - bcm->current_core->id == BCM43xx_COREID_PCI) { - value = bcm43xx_read32(bcm, BCM43xx_CIR_SBINTVEC); - value |= (1 << backplane_flag_nr); - bcm43xx_write32(bcm, BCM43xx_CIR_SBINTVEC, value); + if (unlikely(bcm43xx_status(dev) < BCM43xx_STAT_STARTED)) + goto out; + /* DMA-TX is done without a global lock. */ + 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_pci_read_config32(bcm, BCM43xx_PCICFG_ICR, &value); - if (err) { - printk(KERN_ERR PFX "Error: ICR setup failure!\n"); - goto out_switch_back; - } - value |= core_mask << 8; - err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_ICR, value); - if (err) { - printk(KERN_ERR PFX "Error: ICR setup failure!\n"); - goto out_switch_back; - } + err = bcm43xx_dma_tx(dev, skb, ctl); } +out: + if (unlikely(err)) + return NETDEV_TX_BUSY; + return NETDEV_TX_OK; +} - if (bcm->current_core->id == BCM43xx_COREID_PCI) { - value = bcm43xx_read32(bcm, BCM43xx_PCICORE_SBTOPCI2); - value |= BCM43xx_SBTOPCI2_PREFETCH | BCM43xx_SBTOPCI2_BURST; - bcm43xx_write32(bcm, BCM43xx_PCICORE_SBTOPCI2, value); - - if (bcm->current_core->rev < 5) { - value = bcm43xx_read32(bcm, BCM43xx_CIR_SBIMCONFIGLOW); - value |= (2 << BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_SHIFT) - & BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_MASK; - value |= (3 << BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_SHIFT) - & BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_MASK; - bcm43xx_write32(bcm, BCM43xx_CIR_SBIMCONFIGLOW, value); - err = bcm43xx_pcicore_commit_settings(bcm); - assert(err == 0); - } else if (bcm->current_core->rev >= 11) { - value = bcm43xx_read32(bcm, BCM43xx_PCICORE_SBTOPCI2); - value |= BCM43xx_SBTOPCI2_MEMREAD_MULTI; - bcm43xx_write32(bcm, BCM43xx_PCICORE_SBTOPCI2, value); - } - } else { - if (bcm->current_core->rev == 0 || bcm->current_core->rev == 1) { - value = bcm43xx_pcie_reg_read(bcm, BCM43xx_PCIE_TLP_WORKAROUND); - value |= 0x8; - bcm43xx_pcie_reg_write(bcm, BCM43xx_PCIE_TLP_WORKAROUND, - value); - } - if (bcm->current_core->rev == 0) { - bcm43xx_pcie_mdio_write(bcm, BCM43xx_MDIO_SERDES_RX, - BCM43xx_SERDES_RXTIMER, 0x8128); - bcm43xx_pcie_mdio_write(bcm, BCM43xx_MDIO_SERDES_RX, - BCM43xx_SERDES_CDR, 0x0100); - bcm43xx_pcie_mdio_write(bcm, BCM43xx_MDIO_SERDES_RX, - BCM43xx_SERDES_CDR_BW, 0x1466); - } else if (bcm->current_core->rev == 1) { - value = bcm43xx_pcie_reg_read(bcm, BCM43xx_PCIE_DLLP_LINKCTL); - value |= 0x40; - bcm43xx_pcie_reg_write(bcm, BCM43xx_PCIE_DLLP_LINKCTL, - value); - } +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_STARTED)) { + if (bcm43xx_using_pio(dev)) + bcm43xx_pio_get_tx_stats(dev, stats); + else + bcm43xx_dma_get_tx_stats(dev, stats); + err = 0; } -out_switch_back: - err = bcm43xx_switch_core(bcm, old_core); + spin_unlock_irqrestore(&wl->irq_lock, flags); out: return err; } -static void bcm43xx_periodic_every120sec(struct bcm43xx_private *bcm) +static int bcm43xx_get_stats(struct ieee80211_hw *hw, + struct ieee80211_low_level_stats *stats) { - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); + struct bcm43xx_wl *wl = hw_to_bcm43xx_wl(hw); + unsigned long flags; - if (phy->type != BCM43xx_PHYTYPE_G || phy->rev < 2) - return; + spin_lock_irqsave(&wl->irq_lock, flags); + memcpy(stats, &wl->ieee_stats, sizeof(*stats)); + spin_unlock_irqrestore(&wl->irq_lock, flags); - bcm43xx_mac_suspend(bcm); - bcm43xx_phy_lo_g_measure(bcm); - bcm43xx_mac_enable(bcm); + return 0; } -static void bcm43xx_periodic_every60sec(struct bcm43xx_private *bcm) +static int bcm43xx_dev_reset(struct ieee80211_hw *hw) { - bcm43xx_phy_lo_mark_all_unused(bcm); - if (bcm->sprom.boardflags & BCM43xx_BFL_RSSI) { - bcm43xx_mac_suspend(bcm); - bcm43xx_calc_nrssi_slope(bcm); - bcm43xx_mac_enable(bcm); - } -} + struct bcm43xx_wl *wl = hw_to_bcm43xx_wl(hw); + struct bcm43xx_wldev *dev = wl->current_dev; + unsigned long flags; -static void bcm43xx_periodic_every30sec(struct bcm43xx_private *bcm) -{ - /* Update device statistics. */ - bcm43xx_calculate_link_quality(bcm); + 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 void bcm43xx_periodic_every15sec(struct bcm43xx_private *bcm) +static const char *phymode_to_string(unsigned int phymode) { - bcm43xx_phy_xmitpower(bcm); //FIXME: unless scanning? - //TODO for APHY (temperature?) + switch (phymode) { + case BCM43xx_PHYMODE_B: + return "B"; + case BCM43xx_PHYMODE_G: + return "G"; + default: + BCM43xx_BUG_ON(1); + } + return ""; } -static void bcm43xx_periodic_every1sec(struct bcm43xx_private *bcm) +static int find_wldev_for_phymode(struct bcm43xx_wl *wl, + unsigned int phymode, + struct bcm43xx_wldev **dev, + bool *gmode) { - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - int radio_hw_enable; + struct bcm43xx_wldev *d; - /* check if radio hardware enabled status changed */ - radio_hw_enable = bcm43xx_is_hw_radio_enabled(bcm); - if (unlikely(bcm->radio_hw_enable != radio_hw_enable)) { - bcm->radio_hw_enable = radio_hw_enable; - dprintk(KERN_INFO PFX "Radio hardware status changed to %s\n", - (radio_hw_enable == 0) ? "disabled" : "enabled"); - bcm43xx_leds_update(bcm, 0); - } - if (phy->type == BCM43xx_PHYTYPE_G) { - //TODO: update_aci_moving_average - if (radio->aci_enable && radio->aci_wlan_automatic) { - bcm43xx_mac_suspend(bcm); - if (!radio->aci_enable && 1 /*TODO: not scanning? */) { - if (0 /*TODO: bunch of conditions*/) { - bcm43xx_radio_set_interference_mitigation(bcm, - BCM43xx_RADIO_INTERFMODE_MANUALWLAN); - } - } else if (1/*TODO*/) { - /* - if ((aci_average > 1000) && !(bcm43xx_radio_aci_scan(bcm))) { - bcm43xx_radio_set_interference_mitigation(bcm, - BCM43xx_RADIO_INTERFMODE_NONE); - } - */ - } - bcm43xx_mac_enable(bcm); - } else if (radio->interfmode == BCM43xx_RADIO_INTERFMODE_NONWLAN && - phy->rev == 1) { - //TODO: implement rev1 workaround + list_for_each_entry(d, &wl->devlist, list) { + if (d->phy.possible_phymodes & phymode) { + /* Ok, this device supports the PHY-mode. + * Set the gmode bit. */ + *gmode = 1; + *dev = d; + + return 0; } } + + return -ESRCH; } -static void do_periodic_work(struct bcm43xx_private *bcm) +static void bcm43xx_put_phy_into_reset(struct bcm43xx_wldev *dev) { - if (bcm->periodic_state % 120 == 0) - bcm43xx_periodic_every120sec(bcm); - if (bcm->periodic_state % 60 == 0) - bcm43xx_periodic_every60sec(bcm); - if (bcm->periodic_state % 30 == 0) - bcm43xx_periodic_every30sec(bcm); - if (bcm->periodic_state % 15 == 0) - bcm43xx_periodic_every15sec(bcm); - bcm43xx_periodic_every1sec(bcm); + struct ssb_device *sdev = dev->dev; + u32 tmslow; - schedule_delayed_work(&bcm->periodic_work, HZ); + 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 void bcm43xx_periodic_work_handler(struct work_struct *work) +/* Expects wl->mutex locked */ +static int bcm43xx_switch_phymode(struct bcm43xx_wl *wl, + unsigned int new_mode) { - struct bcm43xx_private *bcm = - container_of(work, struct bcm43xx_private, periodic_work.work); - struct net_device *net_dev = bcm->net_dev; - unsigned long flags; - u32 savedirqs = 0; - unsigned long orig_trans_start = 0; - - mutex_lock(&bcm->mutex); - if (unlikely(bcm->periodic_state % 60 == 0)) { - /* Periodic work will take a long time, so we want it to - * be preemtible. - */ + struct bcm43xx_wldev *up_dev; + struct bcm43xx_wldev *down_dev; + int err; + bool gmode = 0; + int prev_status; - netif_tx_lock_bh(net_dev); - /* We must fake a started transmission here, as we are going to - * disable TX. If we wouldn't fake a TX, it would be possible to - * trigger the netdev watchdog, if the last real TX is already - * some time on the past (slightly less than 5secs) - */ - orig_trans_start = net_dev->trans_start; - net_dev->trans_start = jiffies; - netif_stop_queue(net_dev); - netif_tx_unlock_bh(net_dev); - - spin_lock_irqsave(&bcm->irq_lock, flags); - bcm43xx_mac_suspend(bcm); - if (bcm43xx_using_pio(bcm)) - bcm43xx_pio_freeze_txqueues(bcm); - savedirqs = bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL); - spin_unlock_irqrestore(&bcm->irq_lock, flags); - bcm43xx_synchronize_irq(bcm); - } else { - /* Periodic work should take short time, so we want low - * locking overhead. - */ - spin_lock_irqsave(&bcm->irq_lock, flags); + err = find_wldev_for_phymode(wl, new_mode, &up_dev, &gmode); + if (err) { + bcmerr(wl, "Could not find a device for %s-PHY mode\n", + phymode_to_string(new_mode)); + return err; } - - do_periodic_work(bcm); - - if (unlikely(bcm->periodic_state % 60 == 0)) { - spin_lock_irqsave(&bcm->irq_lock, flags); - tasklet_enable(&bcm->isr_tasklet); - bcm43xx_interrupt_enable(bcm, savedirqs); - if (bcm43xx_using_pio(bcm)) - bcm43xx_pio_thaw_txqueues(bcm); - bcm43xx_mac_enable(bcm); - netif_wake_queue(bcm->net_dev); - net_dev->trans_start = orig_trans_start; + if ((up_dev == wl->current_dev) && + (!!wl->current_dev->phy.gmode == !!gmode)) + /* This device is already running. */ + return 0; + bcmdbg(wl, "Reconfiguring PHYmode to %s-PHY\n", + phymode_to_string(new_mode)); + down_dev = wl->current_dev; + + prev_status = bcm43xx_status(down_dev); + /* Shutdown the currently running core. */ + if (prev_status >= BCM43xx_STAT_STARTED) + bcm43xx_wireless_core_stop(down_dev); + if (prev_status >= BCM43xx_STAT_INITIALIZED) + 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 (prev_status >= BCM43xx_STAT_INITIALIZED) { + err = bcm43xx_wireless_core_init(up_dev); + if (err) { + bcmerr(wl, "Fatal: Could not initialize device for " + "newly selected %s-PHY mode\n", + phymode_to_string(new_mode)); + goto init_failure; + } } - mmiowb(); - bcm->periodic_state++; - spin_unlock_irqrestore(&bcm->irq_lock, flags); - mutex_unlock(&bcm->mutex); -} + if (prev_status >= BCM43xx_STAT_STARTED) { + err = bcm43xx_wireless_core_start(up_dev); + if (err) { + bcmerr(wl, "Fatal: Coult not start device for " + "newly selected %s-PHY mode\n", + phymode_to_string(new_mode)); + bcm43xx_wireless_core_exit(up_dev); + goto init_failure; + } + } + BCM43xx_WARN_ON(bcm43xx_status(up_dev) != prev_status); -void bcm43xx_periodic_tasks_delete(struct bcm43xx_private *bcm) -{ - cancel_rearming_delayed_work(&bcm->periodic_work); -} + bcm43xx_shm_write32(up_dev, BCM43xx_SHM_SHARED, 0x003E, 0); -void bcm43xx_periodic_tasks_setup(struct bcm43xx_private *bcm) -{ - struct delayed_work *work = &bcm->periodic_work; + wl->current_dev = up_dev; - assert(bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED); - INIT_DELAYED_WORK(work, bcm43xx_periodic_work_handler); - schedule_delayed_work(work, 0); + return 0; +init_failure: + /* Whoops, failed to init the new core. No core is operating now. */ + wl->current_dev = NULL; + return err; } -static void bcm43xx_security_init(struct bcm43xx_private *bcm) +static int bcm43xx_antenna_from_ieee80211(u8 antenna) { - bcm->security_offset = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, - 0x0056) * 2; - bcm43xx_clear_keys(bcm); + 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_rng_read(struct hwrng *rng, u32 *data) +static int bcm43xx_dev_config(struct ieee80211_hw *hw, + struct ieee80211_conf *conf) { - struct bcm43xx_private *bcm = (struct bcm43xx_private *)rng->priv; + 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; - spin_lock_irqsave(&(bcm)->irq_lock, flags); - *data = bcm43xx_read16(bcm, BCM43xx_MMIO_RNG); - spin_unlock_irqrestore(&(bcm)->irq_lock, flags); - - return (sizeof(u16)); -} - -static void bcm43xx_rng_exit(struct bcm43xx_private *bcm) -{ - hwrng_unregister(&bcm->rng); -} + antenna_tx = bcm43xx_antenna_from_ieee80211(conf->antenna_sel_tx); + antenna_rx = bcm43xx_antenna_from_ieee80211(conf->antenna_sel_rx); -static int bcm43xx_rng_init(struct bcm43xx_private *bcm) -{ - int err; + mutex_lock(&wl->mutex); - snprintf(bcm->rng_name, ARRAY_SIZE(bcm->rng_name), - "%s_%s", KBUILD_MODNAME, bcm->net_dev->name); - bcm->rng.name = bcm->rng_name; - bcm->rng.data_read = bcm43xx_rng_read; - bcm->rng.priv = (unsigned long)bcm; - err = hwrng_register(&bcm->rng); + /* Switch the PHY mode (if necessary). */ + switch (conf->phymode) { + case MODE_IEEE80211B: + new_phymode = BCM43xx_PHYMODE_B; + break; + case MODE_IEEE80211G: + new_phymode = BCM43xx_PHYMODE_G; + break; + default: + BCM43xx_BUG_ON(1); + } + err = bcm43xx_switch_phymode(wl, new_phymode); if (err) - printk(KERN_ERR PFX "RNG init failed (%d)\n", err); - - return 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_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) { + BCM43xx_WARN_ON(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); + } -static int bcm43xx_shutdown_all_wireless_cores(struct bcm43xx_private *bcm) -{ - int ret = 0; - int i, err; - struct bcm43xx_coreinfo *core; - - bcm43xx_set_status(bcm, BCM43xx_STAT_SHUTTINGDOWN); - for (i = 0; i < bcm->nr_80211_available; i++) { - core = &(bcm->core_80211[i]); - assert(core->available); - if (!core->initialized) - continue; - err = bcm43xx_switch_core(bcm, core); - if (err) { - dprintk(KERN_ERR PFX "shutdown_all_wireless_cores " - "switch_core failed (%d)\n", err); - ret = err; - continue; + /* 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); } - bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL); - bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */ - bcm43xx_wireless_core_cleanup(bcm); - if (core == bcm->active_80211_core) - bcm->active_80211_core = NULL; } - free_irq(bcm->irq, bcm); - bcm43xx_set_status(bcm, BCM43xx_STAT_UNINIT); - return ret; -} + /* 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); -/* This is the opposite of bcm43xx_init_board() */ -static void bcm43xx_free_board(struct bcm43xx_private *bcm) -{ - bcm43xx_rng_exit(bcm); - bcm43xx_sysfs_unregister(bcm); - bcm43xx_periodic_tasks_delete(bcm); + /* Antennas for RX and management frame TX. */ + bcm43xx_mgmtframe_txantenna(dev, antenna_tx); - mutex_lock(&(bcm)->mutex); - bcm43xx_shutdown_all_wireless_cores(bcm); - bcm43xx_pctl_set_crystal(bcm, 0); - mutex_unlock(&(bcm)->mutex); -} + /* Update templates for AP mode. */ + if (bcm43xx_is_mode(wl, IEEE80211_IF_TYPE_AP)) + bcm43xx_set_beacon_int(dev, conf->beacon_int); -static void prepare_phydata_for_init(struct bcm43xx_phyinfo *phy) -{ - phy->antenna_diversity = 0xFFFF; - memset(phy->minlowsig, 0xFF, sizeof(phy->minlowsig)); - memset(phy->minlowsigpos, 0, sizeof(phy->minlowsigpos)); - /* Flags */ - phy->calibrated = 0; - phy->is_locked = 0; + 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); - if (phy->_lo_pairs) { - memset(phy->_lo_pairs, 0, - sizeof(struct bcm43xx_lopair) * BCM43xx_LO_COUNT); - } - memset(phy->loopback_gain, 0, sizeof(phy->loopback_gain)); + return err; } -static void prepare_radiodata_for_init(struct bcm43xx_private *bcm, - struct bcm43xx_radioinfo *radio) +static int bcm43xx_dev_set_key(struct ieee80211_hw *hw, + set_key_cmd cmd, + u8 *addr, + struct ieee80211_key_conf *key, + int aid) { - int i; - - /* Set default attenuation values. */ - radio->baseband_atten = bcm43xx_default_baseband_attenuation(bcm); - radio->radio_atten = bcm43xx_default_radio_attenuation(bcm); - radio->txctl1 = bcm43xx_default_txctl1(bcm); - radio->txctl2 = 0xFFFF; - radio->txpwr_offset = 0; + 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; - /* NRSSI */ - radio->nrssislope = 0; - for (i = 0; i < ARRAY_SIZE(radio->nrssi); i++) - radio->nrssi[i] = -1000; - for (i = 0; i < ARRAY_SIZE(radio->nrssi_lt); i++) - radio->nrssi_lt[i] = i; + 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: + BCM43xx_BUG_ON(1); + goto out; + } - radio->lofcal = 0xFFFF; - radio->initval = 0xFFFF; + index = (u8)(key->keyidx); + if (index > 3) + goto out; - radio->aci_enable = 0; - radio->aci_wlan_automatic = 0; - radio->aci_hw_rssi = 0; -} + mutex_lock(&wl->mutex); + spin_lock_irqsave(&wl->irq_lock, flags); -static void prepare_priv_for_init(struct bcm43xx_private *bcm) -{ - int i; - struct bcm43xx_coreinfo *core; - struct bcm43xx_coreinfo_80211 *wlext; + if (bcm43xx_status(dev) != BCM43xx_STAT_INITIALIZED) { + err = -ENODEV; + goto out_unlock; + } - assert(!bcm->active_80211_core); + 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; - bcm43xx_set_status(bcm, BCM43xx_STAT_INITIALIZING); + case DISABLE_KEY: { + static const u8 zero[BCM43xx_SEC_KEYSIZE] = { 0 }; - /* Flags */ - bcm->was_initialized = 0; - bcm->reg124_set_0x4 = 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: + BCM43xx_BUG_ON(1); + } +out_unlock: + spin_unlock_irqrestore(&wl->irq_lock, flags); + mutex_unlock(&wl->mutex); +out: + if (!err) + bcmdbg(wl, "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; +} - /* Stats */ - memset(&bcm->stats, 0, sizeof(bcm->stats)); +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; - /* Wireless core data */ - for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) { - core = &(bcm->core_80211[i]); - wlext = core->priv; + 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); +} - if (!core->available) - continue; - assert(wlext == &(bcm->core_80211_ext[i])); +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; - prepare_phydata_for_init(&wlext->phy); - prepare_radiodata_for_init(bcm, &wlext->radio); + if (!dev) + return -ENODEV; + mutex_lock(&wl->mutex); + spin_lock_irqsave(&wl->irq_lock, flags); + if (conf->type != IEEE80211_IF_TYPE_MNTR) { + BCM43xx_WARN_ON(wl->if_id != if_id); + wl->bssid = conf->bssid; + if (bcm43xx_is_mode(wl, IEEE80211_IF_TYPE_AP)) { + BCM43xx_WARN_ON(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); - /* IRQ related flags */ - bcm->irq_reason = 0; - memset(bcm->dma_reason, 0, sizeof(bcm->dma_reason)); - bcm->irq_savedstate = BCM43xx_IRQ_INITIAL; + return 0; +} - bcm->mac_suspended = 1; +/* Locking: wl->mutex */ +static void bcm43xx_wireless_core_stop(struct bcm43xx_wldev *dev) +{ + struct bcm43xx_wl *wl = dev->wl; + unsigned long flags; - /* Noise calculation context */ - memset(&bcm->noisecalc, 0, sizeof(bcm->noisecalc)); + if (bcm43xx_status(dev) < BCM43xx_STAT_STARTED) + return; + bcm43xx_set_status(dev, BCM43xx_STAT_INITIALIZED); - /* Periodic work context */ - bcm->periodic_state = 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 */ + + /* 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); + bcmdbg(wl, "Wireless interface stopped\n"); } -static int wireless_core_up(struct bcm43xx_private *bcm, - int active_wlcore) +/* Locking: wl->mutex */ +static int bcm43xx_wireless_core_start(struct bcm43xx_wldev *dev) { int err; - if (!bcm43xx_core_enabled(bcm)) - bcm43xx_wireless_core_reset(bcm, 1); - if (!active_wlcore) - bcm43xx_wireless_core_mark_inactive(bcm); - err = bcm43xx_wireless_core_init(bcm, active_wlcore); - if (err) + BCM43xx_WARN_ON(bcm43xx_status(dev) != BCM43xx_STAT_INITIALIZED); + + drain_txstatus_queue(dev); + err = request_irq(dev->dev->irq, bcm43xx_interrupt_handler, + IRQF_SHARED, KBUILD_MODNAME, dev); + if (err) { + bcmerr(dev->wl, "Cannot request IRQ-%d\n", + dev->dev->irq); goto out; - if (!active_wlcore) - bcm43xx_radio_turn_off(bcm); + } + bcm43xx_mac_enable(dev); + + bcm43xx_periodic_tasks_setup(dev); + + ieee80211_start_queues(dev->wl->hw); + bcm43xx_set_status(dev, BCM43xx_STAT_STARTED); + bcm43xx_interrupt_enable(dev, dev->irq_savedstate); + bcmdbg(dev->wl, "Wireless interface started\n"); out: return err; } -/* Select and enable the "to be used" wireless core. - * Locking: bcm->mutex must be aquired before calling this. - * bcm->irq_lock must not be aquired. - */ -int bcm43xx_select_wireless_core(struct bcm43xx_private *bcm, - int phytype) +/* Get PHY and RADIO versioning numbers */ +static int bcm43xx_phy_versioning(struct bcm43xx_wldev *dev) { - int i, err; - struct bcm43xx_coreinfo *active_core = NULL; - struct bcm43xx_coreinfo_80211 *active_wlext = NULL; - struct bcm43xx_coreinfo *core; - struct bcm43xx_coreinfo_80211 *wlext; - int adjust_active_sbtmstatelow = 0; - - might_sleep(); - - if (phytype < 0) { - /* If no phytype is requested, select the first core. */ - assert(bcm->core_80211[0].available); - wlext = bcm->core_80211[0].priv; - phytype = wlext->phy.type; - } - /* Find the requested core. */ - for (i = 0; i < bcm->nr_80211_available; i++) { - core = &(bcm->core_80211[i]); - wlext = core->priv; - if (wlext->phy.type == phytype) { - active_core = core; - active_wlext = wlext; - break; - } + 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_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) { + bcmerr(dev->wl, "FOUND UNSUPPORTED PHY " + "(Analog %u, Type %u, Revision %u)\n", + analog_type, phy_type, phy_rev); + return -EOPNOTSUPP; + } + bcmdbg(dev->wl, "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_B: + if ((radio_ver & 0xFFF0) != 0x2050) + unsupported = 1; + break; + case BCM43xx_PHYTYPE_G: + if (radio_ver != 0x2050) + unsupported = 1; + break; + default: + BCM43xx_BUG_ON(1); } - if (!active_core) - return -ESRCH; /* No such PHYTYPE on this board. */ - - if (bcm->active_80211_core) { - /* We already selected a wl core in the past. - * So first clean up everything. - */ - dprintk(KERN_INFO PFX "select_wireless_core: cleanup\n"); - ieee80211softmac_stop(bcm->net_dev); - bcm43xx_set_status(bcm, BCM43xx_STAT_INITIALIZED); - err = bcm43xx_disable_interrupts_sync(bcm); - assert(!err); - tasklet_enable(&bcm->isr_tasklet); - err = bcm43xx_shutdown_all_wireless_cores(bcm); - if (err) - goto error; - /* Ok, everything down, continue to re-initialize. */ - bcm43xx_set_status(bcm, BCM43xx_STAT_INITIALIZING); + if (unsupported) { + bcmerr(dev->wl, "FOUND UNSUPPORTED RADIO " + "(Manuf 0x%X, Version 0x%X, Revision %u)\n", + radio_manuf, radio_ver, radio_rev); + return -EOPNOTSUPP; } + bcmdbg(dev->wl, "Found Radio: Manuf 0x%X, Version 0x%X, Revision %u\n", + radio_manuf, radio_ver, radio_rev); - /* Reset all data structures. */ - prepare_priv_for_init(bcm); - err = bcm43xx_pctl_set_clock(bcm, BCM43xx_PCTL_CLK_FAST); - if (err) - goto error; + phy->radio_manuf = radio_manuf; + phy->radio_ver = radio_ver; + phy->radio_rev = radio_rev; - /* Mark all unused cores "inactive". */ - for (i = 0; i < bcm->nr_80211_available; i++) { - core = &(bcm->core_80211[i]); - wlext = core->priv; + phy->analog = analog_type; + phy->type = phy_type; + phy->rev = phy_rev; - if (core == active_core) - continue; - err = bcm43xx_switch_core(bcm, core); - if (err) { - dprintk(KERN_ERR PFX "Could not switch to inactive " - "802.11 core (%d)\n", err); - goto error; - } - err = wireless_core_up(bcm, 0); - if (err) { - dprintk(KERN_ERR PFX "core_up for inactive 802.11 core " - "failed (%d)\n", err); - goto error; - } - adjust_active_sbtmstatelow = 1; - } + return 0; +} - /* Now initialize the active 802.11 core. */ - err = bcm43xx_switch_core(bcm, active_core); - if (err) { - dprintk(KERN_ERR PFX "Could not switch to active " - "802.11 core (%d)\n", err); - goto error; - } - if (adjust_active_sbtmstatelow && - active_wlext->phy.type == BCM43xx_PHYTYPE_G) { - u32 sbtmstatelow; - - sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); - sbtmstatelow |= BCM43xx_SBTMSTATELOW_G_MODE_ENABLE; - bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); - } - err = wireless_core_up(bcm, 1); - if (err) { - dprintk(KERN_ERR PFX "core_up for active 802.11 core " - "failed (%d)\n", err); - goto error; - } - err = bcm43xx_pctl_set_clock(bcm, BCM43xx_PCTL_CLK_DYNAMIC); - if (err) - goto error; - bcm->active_80211_core = active_core; +static void setup_struct_phy_for_init(struct bcm43xx_wldev *dev, + struct bcm43xx_phy *phy) +{ + struct bcm43xx_lopair *lo; + int i; - bcm43xx_macfilter_clear(bcm, BCM43xx_MACFILTER_ASSOC); - bcm43xx_macfilter_set(bcm, BCM43xx_MACFILTER_SELF, (u8 *)(bcm->net_dev->dev_addr)); - bcm43xx_security_init(bcm); - drain_txstatus_queue(bcm); - ieee80211softmac_start(bcm->net_dev); + memset(phy->minlowsig, 0xFF, sizeof(phy->minlowsig)); + memset(phy->minlowsigpos, 0, sizeof(phy->minlowsigpos)); - /* Let's go! Be careful after enabling the IRQs. - * Don't switch cores, for example. - */ - bcm43xx_mac_enable(bcm); - bcm43xx_set_status(bcm, BCM43xx_STAT_INITIALIZED); - err = bcm43xx_initialize_irq(bcm); - if (err) - goto error; - bcm43xx_interrupt_enable(bcm, bcm->irq_savedstate); + /* Flags */ + phy->locked = 0; - dprintk(KERN_INFO PFX "Selected 802.11 core (phytype %d)\n", - active_wlext->phy.type); + phy->savedpctlreg = 0xFFFF; + phy->aci_enable = 0; + phy->aci_wlan_automatic = 0; + phy->aci_hw_rssi = 0; + + lo = phy->_lo_pairs; + if (lo) + memset(lo, 0, sizeof(struct bcm43xx_lopair) * BCM43xx_LO_COUNT); + phy->max_lb_gain = 0; + phy->trsw_rx_gain = 0; - return 0; + /* Set default attenuation values. */ + phy->bbatt = bcm43xx_default_baseband_attenuation(dev); + phy->rfatt = bcm43xx_default_radio_attenuation(dev); + phy->txctl1 = bcm43xx_default_txctl1(dev); + phy->txpwr_offset = 0; -error: - bcm43xx_set_status(bcm, BCM43xx_STAT_UNINIT); - bcm43xx_pctl_set_clock(bcm, BCM43xx_PCTL_CLK_SLOW); - return err; -} + /* 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; -static int bcm43xx_init_board(struct bcm43xx_private *bcm) -{ - int err; + phy->lofcal = 0xFFFF; + phy->initval = 0xFFFF; - mutex_lock(&(bcm)->mutex); + spin_lock_init(&phy->lock); + phy->interfmode = BCM43xx_INTERFMODE_NONE; + phy->channel = 0xFF; +} - tasklet_enable(&bcm->isr_tasklet); - err = bcm43xx_pctl_set_crystal(bcm, 1); - if (err) - goto err_tasklet; - err = bcm43xx_pctl_init(bcm); - if (err) - goto err_crystal_off; - err = bcm43xx_select_wireless_core(bcm, -1); - if (err) - goto err_crystal_off; - err = bcm43xx_sysfs_register(bcm); - if (err) - goto err_wlshutdown; - err = bcm43xx_rng_init(bcm); - if (err) - goto err_sysfs_unreg; - bcm43xx_periodic_tasks_setup(bcm); +static void setup_struct_wldev_for_init(struct bcm43xx_wldev *dev) +{ + /* Flags */ + dev->reg124_set_0x4 = 0; - /*FIXME: This should be handled by softmac instead. */ - schedule_delayed_work(&bcm->softmac->associnfo.work, 0); + /* Stats */ + memset(&dev->stats, 0, sizeof(dev->stats)); -out: - mutex_unlock(&(bcm)->mutex); + setup_struct_phy_for_init(dev, &dev->phy); - return err; + /* IRQ related flags */ + dev->irq_reason = 0; + memset(dev->dma_reason, 0, sizeof(dev->dma_reason)); + dev->irq_savedstate = BCM43xx_IRQ_MASKTEMPLATE; -err_sysfs_unreg: - bcm43xx_sysfs_unregister(bcm); -err_wlshutdown: - bcm43xx_shutdown_all_wireless_cores(bcm); -err_crystal_off: - bcm43xx_pctl_set_crystal(bcm, 0); -err_tasklet: - tasklet_disable(&bcm->isr_tasklet); - goto out; + dev->mac_suspended = 1; + + /* Noise calculation context */ + memset(&dev->noisecalc, 0, sizeof(dev->noisecalc)); } -static void bcm43xx_detach_board(struct bcm43xx_private *bcm) +static void bcm43xx_imcfglo_timeouts_workaround(struct bcm43xx_wldev *dev) { - struct pci_dev *pci_dev = bcm->pci_dev; - int i; +#ifdef CONFIG_SSB_DRIVER_PCICORE + struct ssb_bus *bus = dev->dev->bus; + u32 tmp; - bcm43xx_chipset_detach(bcm); - /* Do _not_ access the chip, after it is detached. */ - pci_iounmap(pci_dev, bcm->mmio_addr); - pci_release_regions(pci_dev); - pci_disable_device(pci_dev); - - /* Free allocated structures/fields */ - for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) { - kfree(bcm->core_80211_ext[i].phy._lo_pairs); - if (bcm->core_80211_ext[i].phy.dyn_tssi_tbl) - kfree(bcm->core_80211_ext[i].phy.tssi2dbm); + 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 */ +} -static int bcm43xx_read_phyinfo(struct bcm43xx_private *bcm) +/* Shutdown a wireless core */ +static void bcm43xx_wireless_core_exit(struct bcm43xx_wldev *dev) { - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - u16 value; - u8 phy_analog; - u8 phy_type; - u8 phy_rev; - int phy_rev_ok = 1; - void *p; + struct bcm43xx_phy *phy = &dev->phy; - value = bcm43xx_read16(bcm, BCM43xx_MMIO_PHY_VER); + BCM43xx_WARN_ON(bcm43xx_status(dev) > BCM43xx_STAT_INITIALIZED); + if (bcm43xx_status(dev) != BCM43xx_STAT_INITIALIZED) + return; - phy_analog = (value & 0xF000) >> 12; - phy_type = (value & 0x0F00) >> 8; - phy_rev = (value & 0x000F); + 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); +} - dprintk(KERN_INFO PFX "Detected PHY: Analog: %x, Type %x, Revision %x\n", - phy_analog, phy_type, phy_rev); +static void prepare_phy_data_for_init(struct bcm43xx_wldev *dev) +{ + struct bcm43xx_phy *phy = &dev->phy; + int i; - switch (phy_type) { - case BCM43xx_PHYTYPE_A: - if (phy_rev >= 4) - phy_rev_ok = 0; - /*FIXME: We need to switch the ieee->modulation, etc.. flags, - * if we switch 80211 cores after init is done. - * As we do not implement on the fly switching between - * wireless cores, I will leave this as a future task. - */ - bcm->ieee->modulation = IEEE80211_OFDM_MODULATION; - bcm->ieee->mode = IEEE_A; - bcm->ieee->freq_band = IEEE80211_52GHZ_BAND | - IEEE80211_24GHZ_BAND; - break; - case BCM43xx_PHYTYPE_B: - if (phy_rev != 2 && phy_rev != 4 && phy_rev != 6 && phy_rev != 7) - phy_rev_ok = 0; - bcm->ieee->modulation = IEEE80211_CCK_MODULATION; - bcm->ieee->mode = IEEE_B; - bcm->ieee->freq_band = IEEE80211_24GHZ_BAND; - break; - case BCM43xx_PHYTYPE_G: - if (phy_rev > 8) - phy_rev_ok = 0; - bcm->ieee->modulation = IEEE80211_OFDM_MODULATION | - IEEE80211_CCK_MODULATION; - bcm->ieee->mode = IEEE_G; - bcm->ieee->freq_band = IEEE80211_24GHZ_BAND; - break; - default: - printk(KERN_ERR PFX "Error: Unknown PHY Type %x\n", - phy_type); - return -ENODEV; - }; - bcm->ieee->perfect_rssi = RX_RSSI_MAX; - bcm->ieee->worst_rssi = 0; - if (!phy_rev_ok) { - printk(KERN_WARNING PFX "Invalid PHY Revision %x\n", - phy_rev); - } + /* Set default attenuation values. */ + phy->bbatt = bcm43xx_default_baseband_attenuation(dev); + phy->rfatt = bcm43xx_default_radio_attenuation(dev); + phy->txctl1 = bcm43xx_default_txctl1(dev); + phy->txctl2 = 0xFFFF; + phy->txpwr_offset = 0; - phy->analog = phy_analog; - phy->type = phy_type; - phy->rev = phy_rev; - if ((phy_type == BCM43xx_PHYTYPE_B) || (phy_type == BCM43xx_PHYTYPE_G)) { - p = kzalloc(sizeof(struct bcm43xx_lopair) * BCM43xx_LO_COUNT, - GFP_KERNEL); - if (!p) - return -ENOMEM; - phy->_lo_pairs = p; - } + /* 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; + + phy->aci_enable = 0; + phy->aci_wlan_automatic = 0; + phy->aci_hw_rssi = 0; - return 0; + phy->antenna_diversity = 0xFFFF; + memset(phy->minlowsig, 0xFF, sizeof(phy->minlowsig)); + memset(phy->minlowsigpos, 0, sizeof(phy->minlowsigpos)); + + /* Flags */ + phy->calibrated = 0; + phy->locked = 0; + + if (phy->_lo_pairs) + memset(phy->_lo_pairs, 0, + sizeof(struct bcm43xx_lopair) * BCM43xx_LO_COUNT); + memset(phy->loopback_gain, 0, sizeof(phy->loopback_gain)); } -static int bcm43xx_attach_board(struct bcm43xx_private *bcm) +/* Initialize a wireless core */ +static int bcm43xx_wireless_core_init(struct bcm43xx_wldev *dev) { - struct pci_dev *pci_dev = bcm->pci_dev; - struct net_device *net_dev = bcm->net_dev; + struct bcm43xx_wl *wl = dev->wl; + struct ssb_bus *bus = dev->dev->bus; + struct bcm43xx_phy *phy = &dev->phy; + struct ssb_sprom *sprom = &dev->dev->bus->sprom; int err; - int i; - u32 coremask; + u32 hf; + u32 tmp; - err = pci_enable_device(pci_dev); - if (err) { - printk(KERN_ERR PFX "pci_enable_device() failed\n"); + BCM43xx_WARN_ON(bcm43xx_status(dev) != BCM43xx_STAT_UNINIT); + + 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); } - err = pci_request_regions(pci_dev, KBUILD_MODNAME); - if (err) { - printk(KERN_ERR PFX "pci_request_regions() failed\n"); - goto err_pci_disable; - } - /* enable PCI bus-mastering */ - pci_set_master(pci_dev); - bcm->mmio_addr = pci_iomap(pci_dev, 0, ~0UL); - if (!bcm->mmio_addr) { - printk(KERN_ERR PFX "pci_iomap() failed\n"); - err = -EIO; - goto err_pci_release; + + if ((phy->type == BCM43xx_PHYTYPE_B) || + (phy->type == BCM43xx_PHYTYPE_G)) { + phy->_lo_pairs = kzalloc(sizeof(struct bcm43xx_lopair) + * BCM43xx_LO_COUNT, + GFP_KERNEL); + if (!phy->_lo_pairs) + return -ENOMEM; } - net_dev->base_addr = (unsigned long)bcm->mmio_addr; + setup_struct_wldev_for_init(dev); - err = bcm43xx_pci_read_config16(bcm, PCI_SUBSYSTEM_VENDOR_ID, - &bcm->board_vendor); + err = bcm43xx_phy_init_tssi2dbm_table(dev); if (err) - goto err_iounmap; - err = bcm43xx_pci_read_config16(bcm, PCI_SUBSYSTEM_ID, - &bcm->board_type); - if (err) - goto err_iounmap; + goto err_kfree_lo_control; - bcm->board_revision = bcm->pci_dev->revision; + /* Enable IRQ routing to this device. */ + ssb_pcicore_dev_irqvecs_enable(&bus->pcicore, dev->dev); - err = bcm43xx_chipset_attach(bcm); - if (err) - goto err_iounmap; - err = bcm43xx_pctl_init(bcm); + bcm43xx_imcfglo_timeouts_workaround(dev); + prepare_phy_data_for_init(dev); + bcm43xx_phy_calibrate(dev); + err = bcm43xx_chip_init(dev); if (err) - goto err_chipset_detach; - err = bcm43xx_probe_cores(bcm); - if (err) - goto err_chipset_detach; - - /* Attach all IO cores to the backplane. */ - coremask = 0; - for (i = 0; i < bcm->nr_80211_available; i++) - coremask |= (1 << bcm->core_80211[i].index); - //FIXME: Also attach some non80211 cores? - err = bcm43xx_setup_backplane_pci_connection(bcm, coremask); - if (err) { - printk(KERN_ERR PFX "Backplane->PCI connection failed!\n"); - goto err_chipset_detach; + 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); - err = bcm43xx_sprom_extract(bcm); - if (err) - goto err_chipset_detach; - err = bcm43xx_leds_init(bcm); - if (err) - goto err_chipset_detach; - - for (i = 0; i < bcm->nr_80211_available; i++) { - err = bcm43xx_switch_core(bcm, &bcm->core_80211[i]); - assert(err != -ENODEV); - if (err) - goto err_80211_unwind; + /* 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_WIRELESS, + 0x0006, tmp); + dev->short_retry_limit = tmp; + tmp = limit_value(modparam_long_retry, 0, 0xF); + bcm43xx_shm_write16(dev, BCM43xx_SHM_WIRELESS, + 0x0007, tmp); + dev->long_retry_limit = tmp; + + bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, + 0x0044, 3); + bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, + 0x0046, 2); - /* Enable the selected wireless core. - * Connect PHY only on the first core. - */ - bcm43xx_wireless_core_reset(bcm, (i == 0)); + bcm43xx_rate_memory_init(dev); - err = bcm43xx_read_phyinfo(bcm); - if (err && (i == 0)) - goto err_80211_unwind; - - err = bcm43xx_read_radioinfo(bcm); - if (err && (i == 0)) - goto err_80211_unwind; - - err = bcm43xx_validate_chip(bcm); - if (err && (i == 0)) - goto err_80211_unwind; + /* Minimum Contention Window */ + if (phy->type == BCM43xx_PHYTYPE_B) + bcm43xx_shm_write16(dev, BCM43xx_SHM_WIRELESS, + 0x0003, 31); + else + bcm43xx_shm_write16(dev, BCM43xx_SHM_WIRELESS, + 0x0003, 15); + /* Maximum Contention Window */ + bcm43xx_shm_write16(dev, BCM43xx_SHM_WIRELESS, + 0x0004, 1023); - bcm43xx_radio_turn_off(bcm); - err = bcm43xx_phy_init_tssi2dbm_table(bcm); - if (err) - goto err_80211_unwind; - bcm43xx_wireless_core_disable(bcm); - } - err = bcm43xx_geo_init(bcm); + 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_80211_unwind; - bcm43xx_pctl_set_crystal(bcm, 0); + goto err_chip_exit; - /* Set the MAC address in the networking subsystem */ - if (is_valid_ether_addr(bcm->sprom.et1macaddr)) - memcpy(bcm->net_dev->dev_addr, bcm->sprom.et1macaddr, 6); - else - memcpy(bcm->net_dev->dev_addr, bcm->sprom.il0macaddr, 6); + bcm43xx_write16(dev, 0x0612, 0x0050); + bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, 0x0416, 0x0050); + bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, 0x0414, 0x01F4); + + 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); - snprintf(bcm->nick, IW_ESSID_MAX_SIZE, - "Broadcom %04X", bcm->chip_id); + bcm43xx_set_status(dev, BCM43xx_STAT_INITIALIZED); - assert(err == 0); out: return err; -err_80211_unwind: - for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) { - kfree(bcm->core_80211_ext[i].phy._lo_pairs); - if (bcm->core_80211_ext[i].phy.dyn_tssi_tbl) - kfree(bcm->core_80211_ext[i].phy.tssi2dbm); - } -err_chipset_detach: - bcm43xx_chipset_detach(bcm); -err_iounmap: - pci_iounmap(pci_dev, bcm->mmio_addr); -err_pci_release: - pci_release_regions(pci_dev); -err_pci_disable: - pci_disable_device(pci_dev); - printk(KERN_ERR PFX "Unable to attach board\n"); - goto out; +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; + ssb_bus_may_powerdown(bus); + BCM43xx_WARN_ON(bcm43xx_status(dev) != BCM43xx_STAT_UNINIT); + return err; } -/* Do the Hardware IO operations to send the txb */ -static inline int bcm43xx_tx(struct bcm43xx_private *bcm, - struct ieee80211_txb *txb) +static int bcm43xx_add_interface(struct ieee80211_hw *hw, + struct ieee80211_if_init_conf *conf) { - int err = -ENODEV; + struct bcm43xx_wl *wl = hw_to_bcm43xx_wl(hw); + struct bcm43xx_wldev *dev; + unsigned long flags; + int err = -EOPNOTSUPP; + int did_init = 0; - if (bcm43xx_using_pio(bcm)) - err = bcm43xx_pio_tx(bcm, txb); - else - err = bcm43xx_dma_tx(bcm, txb); - bcm->net_dev->trans_start = jiffies; + mutex_lock(&wl->mutex); + if ((conf->type != IEEE80211_IF_TYPE_MNTR) && + wl->operating) + goto out_mutex_unlock; + + bcmdbg(wl, "Adding Interface type %d\n", conf->type); + + dev = wl->current_dev; + if (bcm43xx_status(dev) < BCM43xx_STAT_INITIALIZED) { + err = bcm43xx_wireless_core_init(dev); + if (err) + goto out_mutex_unlock; + did_init = 1; + } + if (bcm43xx_status(dev) < BCM43xx_STAT_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_ieee80211_set_chan(struct net_device *net_dev, - u8 channel) +static void bcm43xx_remove_interface(struct ieee80211_hw *hw, + struct ieee80211_if_init_conf *conf) { - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - struct bcm43xx_radioinfo *radio; + struct bcm43xx_wl *wl = hw_to_bcm43xx_wl(hw); + struct bcm43xx_wldev *dev; unsigned long flags; - mutex_lock(&bcm->mutex); - spin_lock_irqsave(&bcm->irq_lock, flags); - if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED) { - bcm43xx_mac_suspend(bcm); - bcm43xx_radio_selectchannel(bcm, channel, 0); - bcm43xx_mac_enable(bcm); + bcmdbg(wl, "Removing Interface type %d\n", conf->type); + + mutex_lock(&wl->mutex); + if (conf->type == IEEE80211_IF_TYPE_MNTR) { + wl->monitor--; + BCM43xx_WARN_ON(wl->monitor < 0); } else { - radio = bcm43xx_current_radio(bcm); - radio->initial_channel = channel; + BCM43xx_WARN_ON(!wl->operating); + wl->operating = 0; } - spin_unlock_irqrestore(&bcm->irq_lock, flags); - mutex_unlock(&bcm->mutex); + + dev = wl->current_dev; + if (!wl->operating && wl->monitor == 0) { + /* No interface left. */ + if (bcm43xx_status(dev) >= BCM43xx_STAT_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); } -/* set_security() callback in struct ieee80211_device */ -static void bcm43xx_ieee80211_set_security(struct net_device *net_dev, - struct ieee80211_security *sec) + +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_private *bcm = bcm43xx_priv(net_dev); - struct ieee80211_security *secinfo = &bcm->ieee->sec; - unsigned long flags; - int keyidx; - - dprintk(KERN_INFO PFX "set security called"); - - mutex_lock(&bcm->mutex); - spin_lock_irqsave(&bcm->irq_lock, flags); - - for (keyidx = 0; keyidx<WEP_KEYS; keyidx++) - if (sec->flags & (1<<keyidx)) { - secinfo->encode_alg[keyidx] = sec->encode_alg[keyidx]; - secinfo->key_sizes[keyidx] = sec->key_sizes[keyidx]; - memcpy(secinfo->keys[keyidx], sec->keys[keyidx], SCM_KEY_LEN); + struct bcm43xx_wldev *dev = + container_of(work, struct bcm43xx_wldev, restart_work); + struct bcm43xx_wl *wl = dev->wl; + int err = 0; + int prev_status; + + mutex_lock(&wl->mutex); + + prev_status = bcm43xx_status(dev); + /* Bring the device down... */ + if (prev_status >= BCM43xx_STAT_STARTED) + bcm43xx_wireless_core_stop(dev); + if (prev_status >= BCM43xx_STAT_INITIALIZED) + bcm43xx_wireless_core_exit(dev); + + /* ...and up again. */ + if (prev_status >= BCM43xx_STAT_INITIALIZED) { + err = bcm43xx_wireless_core_init(dev); + if (err) + goto out; + } + if (prev_status >= BCM43xx_STAT_STARTED) { + err = bcm43xx_wireless_core_start(dev); + if (err) { + bcm43xx_wireless_core_exit(dev); + goto out; } - - if (sec->flags & SEC_ACTIVE_KEY) { - secinfo->active_key = sec->active_key; - dprintk(", .active_key = %d", sec->active_key); - } - if (sec->flags & SEC_UNICAST_GROUP) { - secinfo->unicast_uses_group = sec->unicast_uses_group; - dprintk(", .unicast_uses_group = %d", sec->unicast_uses_group); - } - if (sec->flags & SEC_LEVEL) { - secinfo->level = sec->level; - dprintk(", .level = %d", sec->level); - } - if (sec->flags & SEC_ENABLED) { - secinfo->enabled = sec->enabled; - dprintk(", .enabled = %d", sec->enabled); - } - if (sec->flags & SEC_ENCRYPT) { - secinfo->encrypt = sec->encrypt; - dprintk(", .encrypt = %d", sec->encrypt); - } - if (sec->flags & SEC_AUTH_MODE) { - secinfo->auth_mode = sec->auth_mode; - dprintk(", .auth_mode = %d", sec->auth_mode); - } - dprintk("\n"); - if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED && - !bcm->ieee->host_encrypt) { - if (secinfo->enabled) { - /* upload WEP keys to hardware */ - char null_address[6] = { 0 }; - u8 algorithm = 0; - for (keyidx = 0; keyidx<WEP_KEYS; keyidx++) { - if (!(sec->flags & (1<<keyidx))) - continue; - switch (sec->encode_alg[keyidx]) { - case SEC_ALG_NONE: algorithm = BCM43xx_SEC_ALGO_NONE; break; - case SEC_ALG_WEP: - algorithm = BCM43xx_SEC_ALGO_WEP; - if (secinfo->key_sizes[keyidx] == 13) - algorithm = BCM43xx_SEC_ALGO_WEP104; - break; - case SEC_ALG_TKIP: - FIXME(); - algorithm = BCM43xx_SEC_ALGO_TKIP; - break; - case SEC_ALG_CCMP: - FIXME(); - algorithm = BCM43xx_SEC_ALGO_AES; - break; - default: - assert(0); - break; - } - bcm43xx_key_write(bcm, keyidx, algorithm, sec->keys[keyidx], secinfo->key_sizes[keyidx], &null_address[0]); - bcm->key[keyidx].enabled = 1; - bcm->key[keyidx].algorithm = algorithm; - } - } else - bcm43xx_clear_keys(bcm); } - spin_unlock_irqrestore(&bcm->irq_lock, flags); - mutex_unlock(&bcm->mutex); +out: + mutex_unlock(&wl->mutex); + if (err) + bcmerr(wl, "Controller restart FAILED\n"); + else + bcminfo(wl, "Controller restarted\n"); } -/* hard_start_xmit() callback in struct ieee80211_device */ -static int bcm43xx_ieee80211_hard_start_xmit(struct ieee80211_txb *txb, - struct net_device *net_dev, - int pri) +static int bcm43xx_setup_modes(struct bcm43xx_wldev *dev, + int have_bphy, + int have_gphy) { - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - int err = -ENODEV; - unsigned long flags; + struct ieee80211_hw *hw = dev->wl->hw; + struct ieee80211_hw_mode *mode; + struct bcm43xx_phy *phy = &dev->phy; + int cnt = 0; + int err; - spin_lock_irqsave(&bcm->irq_lock, flags); - if (likely(bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED)) - err = bcm43xx_tx(bcm, txb); - spin_unlock_irqrestore(&bcm->irq_lock, flags); + phy->possible_phymodes = 0; + for ( ; 1; cnt++) { + if (have_bphy) { + BCM43xx_WARN_ON(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; - if (unlikely(err)) - return NETDEV_TX_BUSY; - return NETDEV_TX_OK; -} + phy->possible_phymodes |= BCM43xx_PHYMODE_B; + have_bphy = 0; + continue; + } + if (have_gphy) { + BCM43xx_WARN_ON(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; -static void bcm43xx_net_tx_timeout(struct net_device *net_dev) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - unsigned long flags; + phy->possible_phymodes |= BCM43xx_PHYMODE_G; + have_gphy = 0; + continue; + } + break; + } - spin_lock_irqsave(&bcm->irq_lock, flags); - bcm43xx_controller_restart(bcm, "TX timeout"); - spin_unlock_irqrestore(&bcm->irq_lock, flags); + return 0; } -#ifdef CONFIG_NET_POLL_CONTROLLER -static void bcm43xx_net_poll_controller(struct net_device *net_dev) +static void bcm43xx_wireless_core_detach(struct bcm43xx_wldev *dev) { - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - unsigned long flags; - - local_irq_save(flags); - if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED) - bcm43xx_interrupt_handler(bcm->irq, bcm); - local_irq_restore(flags); + /* 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); } -#endif /* CONFIG_NET_POLL_CONTROLLER */ -static int bcm43xx_net_open(struct net_device *net_dev) +static int bcm43xx_wireless_core_attach(struct bcm43xx_wldev *dev) { - struct bcm43xx_private *bcm = bcm43xx_priv(net_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_bphy = 0; + int 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_gphy = !!(tmshigh & BCM43xx_TMSHIGH_GPHY); + if (!have_gphy) + have_bphy = 1; + } else if (dev->dev->id.revision == 4) { + have_gphy = 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_bphy = 0; + have_gphy = 0; + switch (dev->phy.type) { + case BCM43xx_PHYTYPE_B: + have_bphy = 1; + break; + case BCM43xx_PHYTYPE_G: + have_gphy = 1; + break; + default: + BCM43xx_BUG_ON(1); + } + } + 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_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); - return bcm43xx_init_board(bcm); +out: + return err; + +err_leds_exit: + bcm43xx_leds_exit(dev); + return err; } -static int bcm43xx_net_stop(struct net_device *net_dev) +static void bcm43xx_one_core_detach(struct ssb_device *dev) { - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - int err; + struct bcm43xx_wldev *wldev; + struct bcm43xx_wl *wl; - ieee80211softmac_stop(net_dev); - err = bcm43xx_disable_interrupts_sync(bcm); - assert(!err); - bcm43xx_free_board(bcm); - flush_scheduled_work(); + 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))) { + bcmdbg(wl, "Ignoring unconnected 802.11 core\n"); + return -ENODEV; + } + } - return 0; -} + wldev = kzalloc(sizeof(*wldev), GFP_KERNEL); + if (!wldev) + goto out; -static int bcm43xx_init_private(struct bcm43xx_private *bcm, - struct net_device *net_dev, - struct pci_dev *pci_dev) -{ - bcm43xx_set_status(bcm, BCM43xx_STAT_UNINIT); - bcm->ieee = netdev_priv(net_dev); - bcm->softmac = ieee80211_priv(net_dev); - bcm->softmac->set_channel = bcm43xx_ieee80211_set_chan; - - bcm->irq_savedstate = BCM43xx_IRQ_INITIAL; - bcm->mac_suspended = 1; - bcm->pci_dev = pci_dev; - bcm->net_dev = net_dev; - bcm->bad_frames_preempt = modparam_bad_frames_preempt; - spin_lock_init(&bcm->irq_lock); - spin_lock_init(&bcm->leds_lock); - mutex_init(&bcm->mutex); - tasklet_init(&bcm->isr_tasklet, + 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)bcm); - tasklet_disable_nosync(&bcm->isr_tasklet); + (unsigned long)wldev); if (modparam_pio) - bcm->__using_pio = 1; - bcm->rts_threshold = BCM43xx_DEFAULT_RTS_THRESHOLD; + wldev->__using_pio = 1; + INIT_LIST_HEAD(&wldev->list); - /* default to sw encryption for now */ - bcm->ieee->host_build_iv = 0; - bcm->ieee->host_encrypt = 1; - bcm->ieee->host_decrypt = 1; - - bcm->ieee->iw_mode = BCM43xx_INITIAL_IWMODE; - bcm->ieee->tx_headroom = sizeof(struct bcm43xx_txhdr); - bcm->ieee->set_security = bcm43xx_ieee80211_set_security; - bcm->ieee->hard_start_xmit = bcm43xx_ieee80211_hard_start_xmit; + err = bcm43xx_wireless_core_attach(wldev); + if (err) + goto err_kfree_wldev; - return 0; + 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 int __devinit bcm43xx_init_one(struct pci_dev *pdev, - const struct pci_device_id *ent) +static void bcm43xx_sprom_fixup(struct ssb_bus *bus) { - struct net_device *net_dev; - struct bcm43xx_private *bcm; - int err; + /* boardflags workarounds */ + if (bus->boardinfo.vendor == PCI_VENDOR_ID_APPLE && + bus->boardinfo.type == 0x4E && + bus->boardinfo.rev > 0x40) + bus->sprom.r1.boardflags_lo |= BCM43xx_BFL_PACTRL; -#ifdef DEBUG_SINGLE_DEVICE_ONLY - if (strcmp(pci_name(pdev), DEBUG_SINGLE_DEVICE_ONLY)) - return -ENODEV; -#endif + /* Convert Antennagain values to Q5.2 */ + bus->sprom.r1.antenna_gain_bg <<= 2; +} - net_dev = alloc_ieee80211softmac(sizeof(*bcm)); - if (!net_dev) { - printk(KERN_ERR PFX - "could not allocate ieee80211 device %s\n", - pci_name(pdev)); - err = -ENOMEM; - goto out; - } - /* initialize the net_device struct */ - SET_MODULE_OWNER(net_dev); - SET_NETDEV_DEV(net_dev, &pdev->dev); - - net_dev->open = bcm43xx_net_open; - net_dev->stop = bcm43xx_net_stop; - net_dev->tx_timeout = bcm43xx_net_tx_timeout; -#ifdef CONFIG_NET_POLL_CONTROLLER - net_dev->poll_controller = bcm43xx_net_poll_controller; -#endif - net_dev->wireless_handlers = &bcm43xx_wx_handlers_def; - net_dev->irq = pdev->irq; - SET_ETHTOOL_OPS(net_dev, &bcm43xx_ethtool_ops); - - /* initialize the bcm43xx_private struct */ - bcm = bcm43xx_priv(net_dev); - memset(bcm, 0, sizeof(*bcm)); - err = bcm43xx_init_private(bcm, net_dev, pdev); - if (err) - goto err_free_netdev; +static void bcm43xx_wireless_exit(struct ssb_device *dev, + struct bcm43xx_wl *wl) +{ + struct ieee80211_hw *hw = wl->hw; - pci_set_drvdata(pdev, net_dev); + ssb_set_devtypedata(dev, NULL); + ieee80211_free_hw(hw); +} - err = bcm43xx_attach_board(bcm); - if (err) - goto err_free_netdev; +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; - err = register_netdev(net_dev); - if (err) { - printk(KERN_ERR PFX "Cannot register net device, " - "aborting.\n"); - err = -ENOMEM; - goto err_detach_board; + bcm43xx_sprom_fixup(dev->bus); + + hw = ieee80211_alloc_hw(sizeof(*wl), &bcm43xx_hw_ops); + if (!hw) { + bcmerr(NULL, "Could not allocate ieee80211 device\n"); + goto out; } - bcm43xx_debugfs_add_device(bcm); + /* 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); - assert(err == 0); + /* 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); + bcminfo(wl, "Broadcom %04X WLAN found\n", dev->bus->chip_id); + err = 0; out: return err; - -err_detach_board: - bcm43xx_detach_board(bcm); -err_free_netdev: - free_ieee80211softmac(net_dev); - goto out; } -static void __devexit bcm43xx_remove_one(struct pci_dev *pdev) +static int bcm43xx_probe(struct ssb_device *dev, + const struct ssb_device_id *id) { - struct net_device *net_dev = pci_get_drvdata(pdev); - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + struct bcm43xx_wl *wl; + int err; + int first = 0; + + wl = ssb_get_devtypedata(dev); + if (!wl) { + /* Probing the first core - setup common struct bcm43xx_wl */ + first = 1; + err = bcm43xx_wireless_init(dev); + if (err) + goto out; + wl = ssb_get_devtypedata(dev); + BCM43xx_WARN_ON(!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; - bcm43xx_debugfs_remove_device(bcm); - unregister_netdev(net_dev); - bcm43xx_detach_board(bcm); - free_ieee80211softmac(net_dev); +err_one_core_detach: + bcm43xx_one_core_detach(dev); +err_wireless_exit: + if (first) + bcm43xx_wireless_exit(dev, wl); + return err; } -/* Hard-reset the chip. Do not call this directly. - * Use bcm43xx_controller_restart() - */ -static void bcm43xx_chip_reset(struct work_struct *work) +static void bcm43xx_remove(struct ssb_device *dev) { - struct bcm43xx_private *bcm = - container_of(work, struct bcm43xx_private, restart_work); - struct bcm43xx_phyinfo *phy; - int err = -ENODEV; + struct bcm43xx_wl *wl = ssb_get_devtypedata(dev); + struct bcm43xx_wldev *wldev = ssb_get_drvdata(dev); - mutex_lock(&(bcm)->mutex); - if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED) { - bcm43xx_periodic_tasks_delete(bcm); - phy = bcm43xx_current_phy(bcm); - err = bcm43xx_select_wireless_core(bcm, phy->type); - if (!err) - bcm43xx_periodic_tasks_setup(bcm); - } - mutex_unlock(&(bcm)->mutex); + BCM43xx_WARN_ON(!wl); + if (wl->current_dev == wldev) + ieee80211_unregister_hw(wl->hw); - printk(KERN_ERR PFX "Controller restart%s\n", - (err == 0) ? "ed" : " failed"); + 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. - * bcm->irq_lock must be locked. + * dev->irq_lock must be locked. */ -void bcm43xx_controller_restart(struct bcm43xx_private *bcm, const char *reason) +void bcm43xx_controller_restart(struct bcm43xx_wldev *dev, const char *reason) { - if (bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED) + if (bcm43xx_status(dev) != BCM43xx_STAT_INITIALIZED) return; - printk(KERN_ERR PFX "Controller RESET (%s) ...\n", reason); - INIT_WORK(&bcm->restart_work, bcm43xx_chip_reset); - schedule_work(&bcm->restart_work); + bcminfo(dev->wl, "Controller RESET (%s) ...\n", reason); + queue_work(dev->wl->hw->workqueue, &dev->restart_work); } #ifdef CONFIG_PM -static int bcm43xx_suspend(struct pci_dev *pdev, pm_message_t state) +static int bcm43xx_suspend(struct ssb_device *dev, pm_message_t state) { - struct net_device *net_dev = pci_get_drvdata(pdev); - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - int err; - - dprintk(KERN_INFO PFX "Suspending...\n"); + struct bcm43xx_wldev *wldev = ssb_get_drvdata(dev); + struct bcm43xx_wl *wl = wldev->wl; - netif_device_detach(net_dev); - bcm->was_initialized = 0; - if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED) { - bcm->was_initialized = 1; - ieee80211softmac_stop(net_dev); - err = bcm43xx_disable_interrupts_sync(bcm); - if (unlikely(err)) { - dprintk(KERN_ERR PFX "Suspend failed.\n"); - return -EAGAIN; - } - bcm->firmware_norelease = 1; - bcm43xx_free_board(bcm); - bcm->firmware_norelease = 0; - } - bcm43xx_chipset_detach(bcm); + bcmdbg(wl, "Suspending...\n"); - pci_save_state(pdev); - pci_disable_device(pdev); - pci_set_power_state(pdev, pci_choose_state(pdev, state)); + mutex_lock(&wl->mutex); + wldev->suspend_init_status = bcm43xx_status(wldev); + if (wldev->suspend_init_status >= BCM43xx_STAT_STARTED) + bcm43xx_wireless_core_stop(wldev); + if (wldev->suspend_init_status >= BCM43xx_STAT_INITIALIZED) + bcm43xx_wireless_core_exit(wldev); + mutex_unlock(&wl->mutex); - dprintk(KERN_INFO PFX "Device suspended.\n"); + bcmdbg(wl, "Device suspended.\n"); return 0; } -static int bcm43xx_resume(struct pci_dev *pdev) +static int bcm43xx_resume(struct ssb_device *dev) { - struct net_device *net_dev = pci_get_drvdata(pdev); - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); + struct bcm43xx_wldev *wldev = ssb_get_drvdata(dev); + struct bcm43xx_wl *wl = wldev->wl; int err = 0; - dprintk(KERN_INFO PFX "Resuming...\n"); + bcmdbg(wl, "Resuming...\n"); - pci_set_power_state(pdev, 0); - err = pci_enable_device(pdev); - if (err) { - printk(KERN_ERR PFX "Failure with pci_enable_device!\n"); - return err; + mutex_lock(&wl->mutex); + if (wldev->suspend_init_status >= BCM43xx_STAT_INITIALIZED) { + err = bcm43xx_wireless_core_init(wldev); + if (err) { + bcmerr(wl, "Resume failed at core init\n"); + goto out; + } } - pci_restore_state(pdev); - - bcm43xx_chipset_attach(bcm); - if (bcm->was_initialized) - err = bcm43xx_init_board(bcm); - if (err) { - printk(KERN_ERR PFX "Resume failed!\n"); - return err; + if (wldev->suspend_init_status >= BCM43xx_STAT_STARTED) { + err = bcm43xx_wireless_core_start(wldev); + if (err) { + bcm43xx_wireless_core_exit(wldev); + bcmerr(wl, "Resume failed at core start\n"); + goto out; + } } - netif_device_attach(net_dev); - - dprintk(KERN_INFO PFX "Device resumed.\n"); + mutex_unlock(&wl->mutex); - return 0; + bcmdbg(wl, "Device resumed.\n"); +out: + return err; } -#endif /* CONFIG_PM */ +#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, +}; + +/* 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 = KBUILD_MODNAME, - .id_table = bcm43xx_pci_tbl, - .probe = bcm43xx_init_one, - .remove = __devexit_p(bcm43xx_remove_one), -#ifdef CONFIG_PM - .suspend = bcm43xx_suspend, - .resume = bcm43xx_resume, -#endif /* CONFIG_PM */ + .name = "bcm43xx-pci", + .id_table = bcm43xx_pci_tbl, }; static int __init bcm43xx_init(void) { - printk(KERN_INFO KBUILD_MODNAME " driver\n"); + int err; + bcm43xx_debugfs_init(); - return pci_register_driver(&bcm43xx_pci_driver); + err = ssb_pcihost_register(&bcm43xx_pci_driver); + if (err) + goto err_dfs_exit; + err = ssb_driver_register(&bcm43xx_ssb_driver); + if (err) + goto err_pci_exit; + + return err; + +err_pci_exit: + ssb_pcihost_unregister(&bcm43xx_pci_driver); +err_dfs_exit: + bcm43xx_debugfs_exit(); + return err; } static void __exit bcm43xx_exit(void) { - pci_unregister_driver(&bcm43xx_pci_driver); + ssb_driver_unregister(&bcm43xx_ssb_driver); + ssb_pcihost_unregister(&bcm43xx_pci_driver); bcm43xx_debugfs_exit(); } Index: linux-2.6/drivers/net/wireless/bcm43xx/bcm43xx_main.h =================================================================== --- linux-2.6.orig/drivers/net/wireless/bcm43xx/bcm43xx_main.h +++ linux-2.6/drivers/net/wireless/bcm43xx/bcm43xx_main.h @@ -3,10 +3,11 @@ Broadcom BCM43xx wireless driver Copyright (c) 2005 Martin Langer <martin-langer@xxxxxx>, - Stefano Brivio <st3@xxxxxxxxxx> - Michael Buesch <mbuesch@xxxxxxxxxx> - Danny van Dyk <kugelfang@xxxxxxxxxx> - Andreas Jaggi <andreas.jaggi@xxxxxxxxxxxx> + Copyright (c) 2005 Stefano Brivio <st3@xxxxxxxxxx> + Copyright (c) 2005, 2006 Michael Buesch <mb@xxxxxxxxx> + Copyright (c) 2005 Danny van Dyk <kugelfang@xxxxxxxxxx> + Copyright (c) 2005 Andreas Jaggi <andreas.jaggi@xxxxxxxxxxxx> + Copyright (c) 2007 Larry Finger <Larry.Finger@xxxxxxxxxxxx> Some parts of the code in this file are derived from the ipw2200 driver Copyright(c) 2003 - 2004 Intel Corporation. @@ -33,6 +34,7 @@ #include "bcm43xx.h" + #define P4D_BYT3S(magic, nr_bytes) u8 __p4dding##magic[nr_bytes] #define P4D_BYTES(line, nr_bytes) P4D_BYT3S(line, nr_bytes) /* Magic helper macro to pad structures. Ignore those above. It's magic. */ @@ -41,11 +43,6 @@ /* Lightweight function to convert a frequency (in Mhz) to a channel number. */ static inline -u8 bcm43xx_freq_to_channel_a(int freq) -{ - return ((freq - 5000) / 5); -} -static inline u8 bcm43xx_freq_to_channel_bg(int freq) { u8 channel; @@ -58,21 +55,14 @@ u8 bcm43xx_freq_to_channel_bg(int freq) return channel; } static inline -u8 bcm43xx_freq_to_channel(struct bcm43xx_private *bcm, +u8 bcm43xx_freq_to_channel(struct bcm43xx_wldev *dev, int freq) { - if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_A) - return bcm43xx_freq_to_channel_a(freq); return bcm43xx_freq_to_channel_bg(freq); } /* Lightweight function to convert a channel number to a frequency (in Mhz). */ static inline -int bcm43xx_channel_to_freq_a(u8 channel) -{ - return (5000 + (5 * channel)); -} -static inline int bcm43xx_channel_to_freq_bg(u8 channel) { int freq; @@ -84,50 +74,71 @@ int bcm43xx_channel_to_freq_bg(u8 channe return freq; } + static inline -int bcm43xx_channel_to_freq(struct bcm43xx_private *bcm, +int bcm43xx_channel_to_freq(struct bcm43xx_wldev *dev, u8 channel) { - if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_A) - return bcm43xx_channel_to_freq_a(channel); return bcm43xx_channel_to_freq_bg(channel); } -void bcm43xx_tsf_read(struct bcm43xx_private *bcm, u64 *tsf); -void bcm43xx_tsf_write(struct bcm43xx_private *bcm, u64 tsf); +static inline +int bcm43xx_is_cck_rate(int rate) +{ + return (rate == BCM43xx_CCK_RATE_1MB || + rate == BCM43xx_CCK_RATE_2MB || + rate == BCM43xx_CCK_RATE_5MB || + rate == BCM43xx_CCK_RATE_11MB); +} + +static inline +int bcm43xx_is_ofdm_rate(int rate) +{ + return !bcm43xx_is_cck_rate(rate); +} + +static inline +int bcm43xx_is_hw_radio_enabled(struct bcm43xx_wldev *dev) +{ + /* function to return state of hardware enable of radio + * returns 0 if radio disabled, 1 if radio enabled + */ + struct bcm43xx_phy *phy = &dev->phy; -void bcm43xx_set_iwmode(struct bcm43xx_private *bcm, - int iw_mode); + if (phy->rev >= 3) + return ((bcm43xx_read32(dev, BCM43xx_MMIO_RADIO_HWENABLED_HI) + & BCM43xx_MMIO_RADIO_HWENABLED_HI_MASK) + == 0) ? 1 : 0; + else + return ((bcm43xx_read16(dev, BCM43xx_MMIO_RADIO_HWENABLED_LO) + & BCM43xx_MMIO_RADIO_HWENABLED_LO_MASK) + == 0) ? 0 : 1; +} + +void bcm43xx_tsf_read(struct bcm43xx_wldev *dev, u64 *tsf); +void bcm43xx_tsf_write(struct bcm43xx_wldev *dev, u64 tsf); -u32 bcm43xx_shm_read32(struct bcm43xx_private *bcm, +u32 bcm43xx_shm_read32(struct bcm43xx_wldev *dev, u16 routing, u16 offset); -u16 bcm43xx_shm_read16(struct bcm43xx_private *bcm, +u16 bcm43xx_shm_read16(struct bcm43xx_wldev *dev, u16 routing, u16 offset); -void bcm43xx_shm_write32(struct bcm43xx_private *bcm, +void bcm43xx_shm_write32(struct bcm43xx_wldev *dev, u16 routing, u16 offset, u32 value); -void bcm43xx_shm_write16(struct bcm43xx_private *bcm, +void bcm43xx_shm_write16(struct bcm43xx_wldev *dev, u16 routing, u16 offset, u16 value); -void bcm43xx_dummy_transmission(struct bcm43xx_private *bcm); - -int bcm43xx_switch_core(struct bcm43xx_private *bcm, struct bcm43xx_coreinfo *new_core); - -int bcm43xx_select_wireless_core(struct bcm43xx_private *bcm, - int phytype); - -void bcm43xx_wireless_core_reset(struct bcm43xx_private *bcm, int connect_phy); +u32 bcm43xx_hf_read(struct bcm43xx_wldev *dev); +void bcm43xx_hf_write(struct bcm43xx_wldev *dev, u32 value); -void bcm43xx_mac_suspend(struct bcm43xx_private *bcm); -void bcm43xx_mac_enable(struct bcm43xx_private *bcm); +void bcm43xx_dummy_transmission(struct bcm43xx_wldev *dev); -void bcm43xx_periodic_tasks_delete(struct bcm43xx_private *bcm); -void bcm43xx_periodic_tasks_setup(struct bcm43xx_private *bcm); +void bcm43xx_wireless_core_reset(struct bcm43xx_wldev *dev, u32 flags); -void bcm43xx_controller_restart(struct bcm43xx_private *bcm, const char *reason); +void bcm43xx_mac_suspend(struct bcm43xx_wldev *dev); +void bcm43xx_mac_enable(struct bcm43xx_wldev *dev); -int bcm43xx_sprom_read(struct bcm43xx_private *bcm, u16 *sprom); -int bcm43xx_sprom_write(struct bcm43xx_private *bcm, const u16 *sprom); +void bcm43xx_controller_restart(struct bcm43xx_wldev *dev, const char *reason); #endif /* BCM43xx_MAIN_H_ */ - To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html