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authorKalle Valo <kvalo@codeaurora.org>2015-11-17 20:49:23 +0300
committerKalle Valo <kvalo@codeaurora.org>2015-11-18 12:20:36 +0300
commit58619b14d106e453e3924810fac16a8644b04db1 (patch)
tree46f76b765f3e469cb651ae1d7dc8cafac4fc975e /drivers/net/wireless/b43/main.c
parent30fe0f9b8c755d9aab04bb7c98ce9c7835c3bd24 (diff)
downloadlinux-58619b14d106e453e3924810fac16a8644b04db1.tar.xz
b43: move under broadcom vendor directory
Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/b43/main.c')
-rw-r--r--drivers/net/wireless/b43/main.c5895
1 files changed, 0 insertions, 5895 deletions
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
deleted file mode 100644
index ec013fbd6a81..000000000000
--- a/drivers/net/wireless/b43/main.c
+++ /dev/null
@@ -1,5895 +0,0 @@
-/*
-
- Broadcom B43 wireless driver
-
- Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>
- Copyright (c) 2005 Stefano Brivio <stefano.brivio@polimi.it>
- Copyright (c) 2005-2009 Michael Buesch <m@bues.ch>
- Copyright (c) 2005 Danny van Dyk <kugelfang@gentoo.org>
- Copyright (c) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch>
- Copyright (c) 2010-2011 Rafał Miłecki <zajec5@gmail.com>
-
- SDIO support
- Copyright (c) 2009 Albert Herranz <albert_herranz@yahoo.es>
-
- Some parts of the code in this file are derived from the ipw2200
- driver Copyright(c) 2003 - 2004 Intel Corporation.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; see the file COPYING. If not, write to
- the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
- Boston, MA 02110-1301, USA.
-
-*/
-
-#include <linux/delay.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/if_arp.h>
-#include <linux/etherdevice.h>
-#include <linux/firmware.h>
-#include <linux/workqueue.h>
-#include <linux/skbuff.h>
-#include <linux/io.h>
-#include <linux/dma-mapping.h>
-#include <linux/slab.h>
-#include <asm/unaligned.h>
-
-#include "b43.h"
-#include "main.h"
-#include "debugfs.h"
-#include "phy_common.h"
-#include "phy_g.h"
-#include "phy_n.h"
-#include "dma.h"
-#include "pio.h"
-#include "sysfs.h"
-#include "xmit.h"
-#include "lo.h"
-#include "sdio.h"
-#include <linux/mmc/sdio_func.h>
-
-MODULE_DESCRIPTION("Broadcom B43 wireless driver");
-MODULE_AUTHOR("Martin Langer");
-MODULE_AUTHOR("Stefano Brivio");
-MODULE_AUTHOR("Michael Buesch");
-MODULE_AUTHOR("Gábor Stefanik");
-MODULE_AUTHOR("Rafał Miłecki");
-MODULE_LICENSE("GPL");
-
-MODULE_FIRMWARE("b43/ucode11.fw");
-MODULE_FIRMWARE("b43/ucode13.fw");
-MODULE_FIRMWARE("b43/ucode14.fw");
-MODULE_FIRMWARE("b43/ucode15.fw");
-MODULE_FIRMWARE("b43/ucode16_mimo.fw");
-MODULE_FIRMWARE("b43/ucode5.fw");
-MODULE_FIRMWARE("b43/ucode9.fw");
-
-static int modparam_bad_frames_preempt;
-module_param_named(bad_frames_preempt, modparam_bad_frames_preempt, int, 0444);
-MODULE_PARM_DESC(bad_frames_preempt,
- "enable(1) / disable(0) Bad Frames Preemption");
-
-static char modparam_fwpostfix[16];
-module_param_string(fwpostfix, modparam_fwpostfix, 16, 0444);
-MODULE_PARM_DESC(fwpostfix, "Postfix for the .fw files to load.");
-
-static int modparam_hwpctl;
-module_param_named(hwpctl, modparam_hwpctl, int, 0444);
-MODULE_PARM_DESC(hwpctl, "Enable hardware-side power control (default off)");
-
-static int modparam_nohwcrypt;
-module_param_named(nohwcrypt, modparam_nohwcrypt, int, 0444);
-MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
-
-static int modparam_hwtkip;
-module_param_named(hwtkip, modparam_hwtkip, int, 0444);
-MODULE_PARM_DESC(hwtkip, "Enable hardware tkip.");
-
-static int modparam_qos = 1;
-module_param_named(qos, modparam_qos, int, 0444);
-MODULE_PARM_DESC(qos, "Enable QOS support (default on)");
-
-static int modparam_btcoex = 1;
-module_param_named(btcoex, modparam_btcoex, int, 0444);
-MODULE_PARM_DESC(btcoex, "Enable Bluetooth coexistence (default on)");
-
-int b43_modparam_verbose = B43_VERBOSITY_DEFAULT;
-module_param_named(verbose, b43_modparam_verbose, int, 0644);
-MODULE_PARM_DESC(verbose, "Log message verbosity: 0=error, 1=warn, 2=info(default), 3=debug");
-
-static int b43_modparam_pio = 0;
-module_param_named(pio, b43_modparam_pio, int, 0644);
-MODULE_PARM_DESC(pio, "Use PIO accesses by default: 0=DMA, 1=PIO");
-
-static int modparam_allhwsupport = !IS_ENABLED(CONFIG_BRCMSMAC);
-module_param_named(allhwsupport, modparam_allhwsupport, int, 0444);
-MODULE_PARM_DESC(allhwsupport, "Enable support for all hardware (even it if overlaps with the brcmsmac driver)");
-
-#ifdef CONFIG_B43_BCMA
-static const struct bcma_device_id b43_bcma_tbl[] = {
- BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x11, BCMA_ANY_CLASS),
- BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x15, BCMA_ANY_CLASS),
- BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x17, BCMA_ANY_CLASS),
- BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x18, BCMA_ANY_CLASS),
- BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x1C, BCMA_ANY_CLASS),
- BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x1D, BCMA_ANY_CLASS),
- BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x1E, BCMA_ANY_CLASS),
- BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x28, BCMA_ANY_CLASS),
- BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x2A, BCMA_ANY_CLASS),
- {},
-};
-MODULE_DEVICE_TABLE(bcma, b43_bcma_tbl);
-#endif
-
-#ifdef CONFIG_B43_SSB
-static const struct ssb_device_id b43_ssb_tbl[] = {
- SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 5),
- SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 6),
- SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 7),
- SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 9),
- SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 10),
- SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 11),
- SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 12),
- SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 13),
- SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 15),
- SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 16),
- {},
-};
-MODULE_DEVICE_TABLE(ssb, b43_ssb_tbl);
-#endif
-
-/* 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) \
- { \
- .bitrate = B43_RATE_TO_BASE100KBPS(_rateid), \
- .hw_value = (_rateid), \
- .flags = (_flags), \
- }
-
-/*
- * NOTE: When changing this, sync with xmit.c's
- * b43_plcp_get_bitrate_idx_* functions!
- */
-static struct ieee80211_rate __b43_ratetable[] = {
- RATETAB_ENT(B43_CCK_RATE_1MB, 0),
- RATETAB_ENT(B43_CCK_RATE_2MB, IEEE80211_RATE_SHORT_PREAMBLE),
- RATETAB_ENT(B43_CCK_RATE_5MB, IEEE80211_RATE_SHORT_PREAMBLE),
- RATETAB_ENT(B43_CCK_RATE_11MB, IEEE80211_RATE_SHORT_PREAMBLE),
- RATETAB_ENT(B43_OFDM_RATE_6MB, 0),
- RATETAB_ENT(B43_OFDM_RATE_9MB, 0),
- RATETAB_ENT(B43_OFDM_RATE_12MB, 0),
- RATETAB_ENT(B43_OFDM_RATE_18MB, 0),
- RATETAB_ENT(B43_OFDM_RATE_24MB, 0),
- RATETAB_ENT(B43_OFDM_RATE_36MB, 0),
- RATETAB_ENT(B43_OFDM_RATE_48MB, 0),
- RATETAB_ENT(B43_OFDM_RATE_54MB, 0),
-};
-
-#define b43_a_ratetable (__b43_ratetable + 4)
-#define b43_a_ratetable_size 8
-#define b43_b_ratetable (__b43_ratetable + 0)
-#define b43_b_ratetable_size 4
-#define b43_g_ratetable (__b43_ratetable + 0)
-#define b43_g_ratetable_size 12
-
-#define CHAN2G(_channel, _freq, _flags) { \
- .band = IEEE80211_BAND_2GHZ, \
- .center_freq = (_freq), \
- .hw_value = (_channel), \
- .flags = (_flags), \
- .max_antenna_gain = 0, \
- .max_power = 30, \
-}
-static struct ieee80211_channel b43_2ghz_chantable[] = {
- CHAN2G(1, 2412, 0),
- CHAN2G(2, 2417, 0),
- CHAN2G(3, 2422, 0),
- CHAN2G(4, 2427, 0),
- CHAN2G(5, 2432, 0),
- CHAN2G(6, 2437, 0),
- CHAN2G(7, 2442, 0),
- CHAN2G(8, 2447, 0),
- CHAN2G(9, 2452, 0),
- CHAN2G(10, 2457, 0),
- CHAN2G(11, 2462, 0),
- CHAN2G(12, 2467, 0),
- CHAN2G(13, 2472, 0),
- CHAN2G(14, 2484, 0),
-};
-
-/* No support for the last 3 channels (12, 13, 14) */
-#define b43_2ghz_chantable_limited_size 11
-#undef CHAN2G
-
-#define CHAN4G(_channel, _flags) { \
- .band = IEEE80211_BAND_5GHZ, \
- .center_freq = 4000 + (5 * (_channel)), \
- .hw_value = (_channel), \
- .flags = (_flags), \
- .max_antenna_gain = 0, \
- .max_power = 30, \
-}
-#define CHAN5G(_channel, _flags) { \
- .band = IEEE80211_BAND_5GHZ, \
- .center_freq = 5000 + (5 * (_channel)), \
- .hw_value = (_channel), \
- .flags = (_flags), \
- .max_antenna_gain = 0, \
- .max_power = 30, \
-}
-static struct ieee80211_channel b43_5ghz_nphy_chantable[] = {
- CHAN4G(184, 0), CHAN4G(186, 0),
- CHAN4G(188, 0), CHAN4G(190, 0),
- CHAN4G(192, 0), CHAN4G(194, 0),
- CHAN4G(196, 0), CHAN4G(198, 0),
- CHAN4G(200, 0), CHAN4G(202, 0),
- CHAN4G(204, 0), CHAN4G(206, 0),
- CHAN4G(208, 0), CHAN4G(210, 0),
- CHAN4G(212, 0), CHAN4G(214, 0),
- CHAN4G(216, 0), CHAN4G(218, 0),
- CHAN4G(220, 0), CHAN4G(222, 0),
- CHAN4G(224, 0), CHAN4G(226, 0),
- CHAN4G(228, 0),
- CHAN5G(32, 0), CHAN5G(34, 0),
- CHAN5G(36, 0), CHAN5G(38, 0),
- CHAN5G(40, 0), CHAN5G(42, 0),
- CHAN5G(44, 0), CHAN5G(46, 0),
- CHAN5G(48, 0), CHAN5G(50, 0),
- CHAN5G(52, 0), CHAN5G(54, 0),
- CHAN5G(56, 0), CHAN5G(58, 0),
- CHAN5G(60, 0), CHAN5G(62, 0),
- CHAN5G(64, 0), CHAN5G(66, 0),
- CHAN5G(68, 0), CHAN5G(70, 0),
- CHAN5G(72, 0), CHAN5G(74, 0),
- CHAN5G(76, 0), CHAN5G(78, 0),
- CHAN5G(80, 0), CHAN5G(82, 0),
- CHAN5G(84, 0), CHAN5G(86, 0),
- CHAN5G(88, 0), CHAN5G(90, 0),
- CHAN5G(92, 0), CHAN5G(94, 0),
- CHAN5G(96, 0), CHAN5G(98, 0),
- CHAN5G(100, 0), CHAN5G(102, 0),
- CHAN5G(104, 0), CHAN5G(106, 0),
- CHAN5G(108, 0), CHAN5G(110, 0),
- CHAN5G(112, 0), CHAN5G(114, 0),
- CHAN5G(116, 0), CHAN5G(118, 0),
- CHAN5G(120, 0), CHAN5G(122, 0),
- CHAN5G(124, 0), CHAN5G(126, 0),
- CHAN5G(128, 0), CHAN5G(130, 0),
- CHAN5G(132, 0), CHAN5G(134, 0),
- CHAN5G(136, 0), CHAN5G(138, 0),
- CHAN5G(140, 0), CHAN5G(142, 0),
- CHAN5G(144, 0), CHAN5G(145, 0),
- CHAN5G(146, 0), CHAN5G(147, 0),
- CHAN5G(148, 0), CHAN5G(149, 0),
- CHAN5G(150, 0), CHAN5G(151, 0),
- CHAN5G(152, 0), CHAN5G(153, 0),
- CHAN5G(154, 0), CHAN5G(155, 0),
- CHAN5G(156, 0), CHAN5G(157, 0),
- CHAN5G(158, 0), CHAN5G(159, 0),
- CHAN5G(160, 0), CHAN5G(161, 0),
- CHAN5G(162, 0), CHAN5G(163, 0),
- CHAN5G(164, 0), CHAN5G(165, 0),
- CHAN5G(166, 0), CHAN5G(168, 0),
- CHAN5G(170, 0), CHAN5G(172, 0),
- CHAN5G(174, 0), CHAN5G(176, 0),
- CHAN5G(178, 0), CHAN5G(180, 0),
- CHAN5G(182, 0),
-};
-
-static struct ieee80211_channel b43_5ghz_nphy_chantable_limited[] = {
- CHAN5G(36, 0), CHAN5G(40, 0),
- CHAN5G(44, 0), CHAN5G(48, 0),
- CHAN5G(149, 0), CHAN5G(153, 0),
- CHAN5G(157, 0), CHAN5G(161, 0),
- CHAN5G(165, 0),
-};
-
-static struct ieee80211_channel b43_5ghz_aphy_chantable[] = {
- CHAN5G(34, 0), CHAN5G(36, 0),
- CHAN5G(38, 0), CHAN5G(40, 0),
- CHAN5G(42, 0), CHAN5G(44, 0),
- CHAN5G(46, 0), CHAN5G(48, 0),
- CHAN5G(52, 0), CHAN5G(56, 0),
- CHAN5G(60, 0), CHAN5G(64, 0),
- CHAN5G(100, 0), CHAN5G(104, 0),
- CHAN5G(108, 0), CHAN5G(112, 0),
- CHAN5G(116, 0), CHAN5G(120, 0),
- CHAN5G(124, 0), CHAN5G(128, 0),
- CHAN5G(132, 0), CHAN5G(136, 0),
- CHAN5G(140, 0), CHAN5G(149, 0),
- CHAN5G(153, 0), CHAN5G(157, 0),
- CHAN5G(161, 0), CHAN5G(165, 0),
- CHAN5G(184, 0), CHAN5G(188, 0),
- CHAN5G(192, 0), CHAN5G(196, 0),
- CHAN5G(200, 0), CHAN5G(204, 0),
- CHAN5G(208, 0), CHAN5G(212, 0),
- CHAN5G(216, 0),
-};
-#undef CHAN4G
-#undef CHAN5G
-
-static struct ieee80211_supported_band b43_band_5GHz_nphy = {
- .band = IEEE80211_BAND_5GHZ,
- .channels = b43_5ghz_nphy_chantable,
- .n_channels = ARRAY_SIZE(b43_5ghz_nphy_chantable),
- .bitrates = b43_a_ratetable,
- .n_bitrates = b43_a_ratetable_size,
-};
-
-static struct ieee80211_supported_band b43_band_5GHz_nphy_limited = {
- .band = IEEE80211_BAND_5GHZ,
- .channels = b43_5ghz_nphy_chantable_limited,
- .n_channels = ARRAY_SIZE(b43_5ghz_nphy_chantable_limited),
- .bitrates = b43_a_ratetable,
- .n_bitrates = b43_a_ratetable_size,
-};
-
-static struct ieee80211_supported_band b43_band_5GHz_aphy = {
- .band = IEEE80211_BAND_5GHZ,
- .channels = b43_5ghz_aphy_chantable,
- .n_channels = ARRAY_SIZE(b43_5ghz_aphy_chantable),
- .bitrates = b43_a_ratetable,
- .n_bitrates = b43_a_ratetable_size,
-};
-
-static struct ieee80211_supported_band b43_band_2GHz = {
- .band = IEEE80211_BAND_2GHZ,
- .channels = b43_2ghz_chantable,
- .n_channels = ARRAY_SIZE(b43_2ghz_chantable),
- .bitrates = b43_g_ratetable,
- .n_bitrates = b43_g_ratetable_size,
-};
-
-static struct ieee80211_supported_band b43_band_2ghz_limited = {
- .band = IEEE80211_BAND_2GHZ,
- .channels = b43_2ghz_chantable,
- .n_channels = b43_2ghz_chantable_limited_size,
- .bitrates = b43_g_ratetable,
- .n_bitrates = b43_g_ratetable_size,
-};
-
-static void b43_wireless_core_exit(struct b43_wldev *dev);
-static int b43_wireless_core_init(struct b43_wldev *dev);
-static struct b43_wldev * b43_wireless_core_stop(struct b43_wldev *dev);
-static int b43_wireless_core_start(struct b43_wldev *dev);
-static void b43_op_bss_info_changed(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_bss_conf *conf,
- u32 changed);
-
-static int b43_ratelimit(struct b43_wl *wl)
-{
- if (!wl || !wl->current_dev)
- return 1;
- if (b43_status(wl->current_dev) < B43_STAT_STARTED)
- return 1;
- /* We are up and running.
- * Ratelimit the messages to avoid DoS over the net. */
- return net_ratelimit();
-}
-
-void b43info(struct b43_wl *wl, const char *fmt, ...)
-{
- struct va_format vaf;
- va_list args;
-
- if (b43_modparam_verbose < B43_VERBOSITY_INFO)
- return;
- if (!b43_ratelimit(wl))
- return;
-
- va_start(args, fmt);
-
- vaf.fmt = fmt;
- vaf.va = &args;
-
- printk(KERN_INFO "b43-%s: %pV",
- (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan", &vaf);
-
- va_end(args);
-}
-
-void b43err(struct b43_wl *wl, const char *fmt, ...)
-{
- struct va_format vaf;
- va_list args;
-
- if (b43_modparam_verbose < B43_VERBOSITY_ERROR)
- return;
- if (!b43_ratelimit(wl))
- return;
-
- va_start(args, fmt);
-
- vaf.fmt = fmt;
- vaf.va = &args;
-
- printk(KERN_ERR "b43-%s ERROR: %pV",
- (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan", &vaf);
-
- va_end(args);
-}
-
-void b43warn(struct b43_wl *wl, const char *fmt, ...)
-{
- struct va_format vaf;
- va_list args;
-
- if (b43_modparam_verbose < B43_VERBOSITY_WARN)
- return;
- if (!b43_ratelimit(wl))
- return;
-
- va_start(args, fmt);
-
- vaf.fmt = fmt;
- vaf.va = &args;
-
- printk(KERN_WARNING "b43-%s warning: %pV",
- (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan", &vaf);
-
- va_end(args);
-}
-
-void b43dbg(struct b43_wl *wl, const char *fmt, ...)
-{
- struct va_format vaf;
- va_list args;
-
- if (b43_modparam_verbose < B43_VERBOSITY_DEBUG)
- return;
-
- va_start(args, fmt);
-
- vaf.fmt = fmt;
- vaf.va = &args;
-
- printk(KERN_DEBUG "b43-%s debug: %pV",
- (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan", &vaf);
-
- va_end(args);
-}
-
-static void b43_ram_write(struct b43_wldev *dev, u16 offset, u32 val)
-{
- u32 macctl;
-
- B43_WARN_ON(offset % 4 != 0);
-
- macctl = b43_read32(dev, B43_MMIO_MACCTL);
- if (macctl & B43_MACCTL_BE)
- val = swab32(val);
-
- b43_write32(dev, B43_MMIO_RAM_CONTROL, offset);
- mmiowb();
- b43_write32(dev, B43_MMIO_RAM_DATA, val);
-}
-
-static inline void b43_shm_control_word(struct b43_wldev *dev,
- u16 routing, u16 offset)
-{
- u32 control;
-
- /* "offset" is the WORD offset. */
- control = routing;
- control <<= 16;
- control |= offset;
- b43_write32(dev, B43_MMIO_SHM_CONTROL, control);
-}
-
-u32 b43_shm_read32(struct b43_wldev *dev, u16 routing, u16 offset)
-{
- u32 ret;
-
- if (routing == B43_SHM_SHARED) {
- B43_WARN_ON(offset & 0x0001);
- if (offset & 0x0003) {
- /* Unaligned access */
- b43_shm_control_word(dev, routing, offset >> 2);
- ret = b43_read16(dev, B43_MMIO_SHM_DATA_UNALIGNED);
- b43_shm_control_word(dev, routing, (offset >> 2) + 1);
- ret |= ((u32)b43_read16(dev, B43_MMIO_SHM_DATA)) << 16;
-
- goto out;
- }
- offset >>= 2;
- }
- b43_shm_control_word(dev, routing, offset);
- ret = b43_read32(dev, B43_MMIO_SHM_DATA);
-out:
- return ret;
-}
-
-u16 b43_shm_read16(struct b43_wldev *dev, u16 routing, u16 offset)
-{
- u16 ret;
-
- if (routing == B43_SHM_SHARED) {
- B43_WARN_ON(offset & 0x0001);
- if (offset & 0x0003) {
- /* Unaligned access */
- b43_shm_control_word(dev, routing, offset >> 2);
- ret = b43_read16(dev, B43_MMIO_SHM_DATA_UNALIGNED);
-
- goto out;
- }
- offset >>= 2;
- }
- b43_shm_control_word(dev, routing, offset);
- ret = b43_read16(dev, B43_MMIO_SHM_DATA);
-out:
- return ret;
-}
-
-void b43_shm_write32(struct b43_wldev *dev, u16 routing, u16 offset, u32 value)
-{
- if (routing == B43_SHM_SHARED) {
- B43_WARN_ON(offset & 0x0001);
- if (offset & 0x0003) {
- /* Unaligned access */
- b43_shm_control_word(dev, routing, offset >> 2);
- b43_write16(dev, B43_MMIO_SHM_DATA_UNALIGNED,
- value & 0xFFFF);
- b43_shm_control_word(dev, routing, (offset >> 2) + 1);
- b43_write16(dev, B43_MMIO_SHM_DATA,
- (value >> 16) & 0xFFFF);
- return;
- }
- offset >>= 2;
- }
- b43_shm_control_word(dev, routing, offset);
- b43_write32(dev, B43_MMIO_SHM_DATA, value);
-}
-
-void b43_shm_write16(struct b43_wldev *dev, u16 routing, u16 offset, u16 value)
-{
- if (routing == B43_SHM_SHARED) {
- B43_WARN_ON(offset & 0x0001);
- if (offset & 0x0003) {
- /* Unaligned access */
- b43_shm_control_word(dev, routing, offset >> 2);
- b43_write16(dev, B43_MMIO_SHM_DATA_UNALIGNED, value);
- return;
- }
- offset >>= 2;
- }
- b43_shm_control_word(dev, routing, offset);
- b43_write16(dev, B43_MMIO_SHM_DATA, value);
-}
-
-/* Read HostFlags */
-u64 b43_hf_read(struct b43_wldev *dev)
-{
- u64 ret;
-
- ret = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTF3);
- ret <<= 16;
- ret |= b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTF2);
- ret <<= 16;
- ret |= b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTF1);
-
- return ret;
-}
-
-/* Write HostFlags */
-void b43_hf_write(struct b43_wldev *dev, u64 value)
-{
- u16 lo, mi, hi;
-
- lo = (value & 0x00000000FFFFULL);
- mi = (value & 0x0000FFFF0000ULL) >> 16;
- hi = (value & 0xFFFF00000000ULL) >> 32;
- b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTF1, lo);
- b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTF2, mi);
- b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTF3, hi);
-}
-
-/* Read the firmware capabilities bitmask (Opensource firmware only) */
-static u16 b43_fwcapa_read(struct b43_wldev *dev)
-{
- B43_WARN_ON(!dev->fw.opensource);
- return b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_FWCAPA);
-}
-
-void b43_tsf_read(struct b43_wldev *dev, u64 *tsf)
-{
- u32 low, high;
-
- B43_WARN_ON(dev->dev->core_rev < 3);
-
- /* The hardware guarantees us an atomic read, if we
- * read the low register first. */
- low = b43_read32(dev, B43_MMIO_REV3PLUS_TSF_LOW);
- high = b43_read32(dev, B43_MMIO_REV3PLUS_TSF_HIGH);
-
- *tsf = high;
- *tsf <<= 32;
- *tsf |= low;
-}
-
-static void b43_time_lock(struct b43_wldev *dev)
-{
- b43_maskset32(dev, B43_MMIO_MACCTL, ~0, B43_MACCTL_TBTTHOLD);
- /* Commit the write */
- b43_read32(dev, B43_MMIO_MACCTL);
-}
-
-static void b43_time_unlock(struct b43_wldev *dev)
-{
- b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_TBTTHOLD, 0);
- /* Commit the write */
- b43_read32(dev, B43_MMIO_MACCTL);
-}
-
-static void b43_tsf_write_locked(struct b43_wldev *dev, u64 tsf)
-{
- u32 low, high;
-
- B43_WARN_ON(dev->dev->core_rev < 3);
-
- low = tsf;
- high = (tsf >> 32);
- /* The hardware guarantees us an atomic write, if we
- * write the low register first. */
- b43_write32(dev, B43_MMIO_REV3PLUS_TSF_LOW, low);
- mmiowb();
- b43_write32(dev, B43_MMIO_REV3PLUS_TSF_HIGH, high);
- mmiowb();
-}
-
-void b43_tsf_write(struct b43_wldev *dev, u64 tsf)
-{
- b43_time_lock(dev);
- b43_tsf_write_locked(dev, tsf);
- b43_time_unlock(dev);
-}
-
-static
-void b43_macfilter_set(struct b43_wldev *dev, u16 offset, const u8 *mac)
-{
- static const u8 zero_addr[ETH_ALEN] = { 0 };
- u16 data;
-
- if (!mac)
- mac = zero_addr;
-
- offset |= 0x0020;
- b43_write16(dev, B43_MMIO_MACFILTER_CONTROL, offset);
-
- data = mac[0];
- data |= mac[1] << 8;
- b43_write16(dev, B43_MMIO_MACFILTER_DATA, data);
- data = mac[2];
- data |= mac[3] << 8;
- b43_write16(dev, B43_MMIO_MACFILTER_DATA, data);
- data = mac[4];
- data |= mac[5] << 8;
- b43_write16(dev, B43_MMIO_MACFILTER_DATA, data);
-}
-
-static void b43_write_mac_bssid_templates(struct b43_wldev *dev)
-{
- const u8 *mac;
- const u8 *bssid;
- u8 mac_bssid[ETH_ALEN * 2];
- int i;
- u32 tmp;
-
- bssid = dev->wl->bssid;
- mac = dev->wl->mac_addr;
-
- b43_macfilter_set(dev, B43_MACFILTER_BSSID, bssid);
-
- memcpy(mac_bssid, mac, ETH_ALEN);
- memcpy(mac_bssid + ETH_ALEN, bssid, ETH_ALEN);
-
- /* Write our MAC address and BSSID to template ram */
- for (i = 0; i < ARRAY_SIZE(mac_bssid); i += sizeof(u32)) {
- tmp = (u32) (mac_bssid[i + 0]);
- tmp |= (u32) (mac_bssid[i + 1]) << 8;
- tmp |= (u32) (mac_bssid[i + 2]) << 16;
- tmp |= (u32) (mac_bssid[i + 3]) << 24;
- b43_ram_write(dev, 0x20 + i, tmp);
- }
-}
-
-static void b43_upload_card_macaddress(struct b43_wldev *dev)
-{
- b43_write_mac_bssid_templates(dev);
- b43_macfilter_set(dev, B43_MACFILTER_SELF, dev->wl->mac_addr);
-}
-
-static void b43_set_slot_time(struct b43_wldev *dev, u16 slot_time)
-{
- /* slot_time is in usec. */
- /* This test used to exit for all but a G PHY. */
- if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
- return;
- b43_write16(dev, B43_MMIO_IFSSLOT, 510 + slot_time);
- /* Shared memory location 0x0010 is the slot time and should be
- * set to slot_time; however, this register is initially 0 and changing
- * the value adversely affects the transmit rate for BCM4311
- * devices. Until this behavior is unterstood, delete this step
- *
- * b43_shm_write16(dev, B43_SHM_SHARED, 0x0010, slot_time);
- */
-}
-
-static void b43_short_slot_timing_enable(struct b43_wldev *dev)
-{
- b43_set_slot_time(dev, 9);
-}
-
-static void b43_short_slot_timing_disable(struct b43_wldev *dev)
-{
- b43_set_slot_time(dev, 20);
-}
-
-/* DummyTransmission function, as documented on
- * http://bcm-v4.sipsolutions.net/802.11/DummyTransmission
- */
-void b43_dummy_transmission(struct b43_wldev *dev, bool ofdm, bool pa_on)
-{
- struct b43_phy *phy = &dev->phy;
- unsigned int i, max_loop;
- u16 value;
- u32 buffer[5] = {
- 0x00000000,
- 0x00D40000,
- 0x00000000,
- 0x01000000,
- 0x00000000,
- };
-
- if (ofdm) {
- max_loop = 0x1E;
- buffer[0] = 0x000201CC;
- } else {
- max_loop = 0xFA;
- buffer[0] = 0x000B846E;
- }
-
- for (i = 0; i < 5; i++)
- b43_ram_write(dev, i * 4, buffer[i]);
-
- b43_write16(dev, B43_MMIO_XMTSEL, 0x0000);
-
- if (dev->dev->core_rev < 11)
- b43_write16(dev, B43_MMIO_WEPCTL, 0x0000);
- else
- b43_write16(dev, B43_MMIO_WEPCTL, 0x0100);
-
- value = (ofdm ? 0x41 : 0x40);
- b43_write16(dev, B43_MMIO_TXE0_PHYCTL, value);
- if (phy->type == B43_PHYTYPE_N || phy->type == B43_PHYTYPE_LP ||
- phy->type == B43_PHYTYPE_LCN)
- b43_write16(dev, B43_MMIO_TXE0_PHYCTL1, 0x1A02);
-
- b43_write16(dev, B43_MMIO_TXE0_WM_0, 0x0000);
- b43_write16(dev, B43_MMIO_TXE0_WM_1, 0x0000);
-
- b43_write16(dev, B43_MMIO_XMTTPLATETXPTR, 0x0000);
- b43_write16(dev, B43_MMIO_XMTTXCNT, 0x0014);
- b43_write16(dev, B43_MMIO_XMTSEL, 0x0826);
- b43_write16(dev, B43_MMIO_TXE0_CTL, 0x0000);
-
- if (!pa_on && phy->type == B43_PHYTYPE_N)
- ; /*b43_nphy_pa_override(dev, false) */
-
- switch (phy->type) {
- case B43_PHYTYPE_N:
- case B43_PHYTYPE_LCN:
- b43_write16(dev, B43_MMIO_TXE0_AUX, 0x00D0);
- break;
- case B43_PHYTYPE_LP:
- b43_write16(dev, B43_MMIO_TXE0_AUX, 0x0050);
- break;
- default:
- b43_write16(dev, B43_MMIO_TXE0_AUX, 0x0030);
- }
- b43_read16(dev, B43_MMIO_TXE0_AUX);
-
- if (phy->radio_ver == 0x2050 && phy->radio_rev <= 0x5)
- b43_radio_write16(dev, 0x0051, 0x0017);
- for (i = 0x00; i < max_loop; i++) {
- value = b43_read16(dev, B43_MMIO_TXE0_STATUS);
- if (value & 0x0080)
- break;
- udelay(10);
- }
- for (i = 0x00; i < 0x0A; i++) {
- value = b43_read16(dev, B43_MMIO_TXE0_STATUS);
- if (value & 0x0400)
- break;
- udelay(10);
- }
- for (i = 0x00; i < 0x19; i++) {
- value = b43_read16(dev, B43_MMIO_IFSSTAT);
- if (!(value & 0x0100))
- break;
- udelay(10);
- }
- if (phy->radio_ver == 0x2050 && phy->radio_rev <= 0x5)
- b43_radio_write16(dev, 0x0051, 0x0037);
-}
-
-static void key_write(struct b43_wldev *dev,
- u8 index, u8 algorithm, const u8 *key)
-{
- unsigned int i;
- u32 offset;
- u16 value;
- u16 kidx;
-
- /* Key index/algo block */
- kidx = b43_kidx_to_fw(dev, index);
- value = ((kidx << 4) | algorithm);
- b43_shm_write16(dev, B43_SHM_SHARED,
- B43_SHM_SH_KEYIDXBLOCK + (kidx * 2), value);
-
- /* Write the key to the Key Table Pointer offset */
- offset = dev->ktp + (index * B43_SEC_KEYSIZE);
- for (i = 0; i < B43_SEC_KEYSIZE; i += 2) {
- value = key[i];
- value |= (u16) (key[i + 1]) << 8;
- b43_shm_write16(dev, B43_SHM_SHARED, offset + i, value);
- }
-}
-
-static void keymac_write(struct b43_wldev *dev, u8 index, const u8 *addr)
-{
- u32 addrtmp[2] = { 0, 0, };
- u8 pairwise_keys_start = B43_NR_GROUP_KEYS * 2;
-
- if (b43_new_kidx_api(dev))
- pairwise_keys_start = B43_NR_GROUP_KEYS;
-
- B43_WARN_ON(index < pairwise_keys_start);
- /* We have four default TX keys and possibly four default RX keys.
- * Physical mac 0 is mapped to physical key 4 or 8, depending
- * on the firmware version.
- * So we must adjust the index here.
- */
- index -= pairwise_keys_start;
- B43_WARN_ON(index >= B43_NR_PAIRWISE_KEYS);
-
- if (addr) {
- addrtmp[0] = addr[0];
- addrtmp[0] |= ((u32) (addr[1]) << 8);
- addrtmp[0] |= ((u32) (addr[2]) << 16);
- addrtmp[0] |= ((u32) (addr[3]) << 24);
- addrtmp[1] = addr[4];
- addrtmp[1] |= ((u32) (addr[5]) << 8);
- }
-
- /* Receive match transmitter address (RCMTA) mechanism */
- b43_shm_write32(dev, B43_SHM_RCMTA,
- (index * 2) + 0, addrtmp[0]);
- b43_shm_write16(dev, B43_SHM_RCMTA,
- (index * 2) + 1, addrtmp[1]);
-}
-
-/* The ucode will use phase1 key with TEK key to decrypt rx packets.
- * When a packet is received, the iv32 is checked.
- * - if it doesn't the packet is returned without modification (and software
- * decryption can be done). That's what happen when iv16 wrap.
- * - if it does, the rc4 key is computed, and decryption is tried.
- * Either it will success and B43_RX_MAC_DEC is returned,
- * either it fails and B43_RX_MAC_DEC|B43_RX_MAC_DECERR is returned
- * and the packet is not usable (it got modified by the ucode).
- * So in order to never have B43_RX_MAC_DECERR, we should provide
- * a iv32 and phase1key that match. Because we drop packets in case of
- * B43_RX_MAC_DECERR, if we have a correct iv32 but a wrong phase1key, all
- * packets will be lost without higher layer knowing (ie no resync possible
- * until next wrap).
- *
- * NOTE : this should support 50 key like RCMTA because
- * (B43_SHM_SH_KEYIDXBLOCK - B43_SHM_SH_TKIPTSCTTAK)/14 = 50
- */
-static void rx_tkip_phase1_write(struct b43_wldev *dev, u8 index, u32 iv32,
- u16 *phase1key)
-{
- unsigned int i;
- u32 offset;
- u8 pairwise_keys_start = B43_NR_GROUP_KEYS * 2;
-
- if (!modparam_hwtkip)
- return;
-
- if (b43_new_kidx_api(dev))
- pairwise_keys_start = B43_NR_GROUP_KEYS;
-
- B43_WARN_ON(index < pairwise_keys_start);
- /* We have four default TX keys and possibly four default RX keys.
- * Physical mac 0 is mapped to physical key 4 or 8, depending
- * on the firmware version.
- * So we must adjust the index here.
- */
- index -= pairwise_keys_start;
- B43_WARN_ON(index >= B43_NR_PAIRWISE_KEYS);
-
- if (b43_debug(dev, B43_DBG_KEYS)) {
- b43dbg(dev->wl, "rx_tkip_phase1_write : idx 0x%x, iv32 0x%x\n",
- index, iv32);
- }
- /* Write the key to the RX tkip shared mem */
- offset = B43_SHM_SH_TKIPTSCTTAK + index * (10 + 4);
- for (i = 0; i < 10; i += 2) {
- b43_shm_write16(dev, B43_SHM_SHARED, offset + i,
- phase1key ? phase1key[i / 2] : 0);
- }
- b43_shm_write16(dev, B43_SHM_SHARED, offset + i, iv32);
- b43_shm_write16(dev, B43_SHM_SHARED, offset + i + 2, iv32 >> 16);
-}
-
-static void b43_op_update_tkip_key(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_key_conf *keyconf,
- struct ieee80211_sta *sta,
- u32 iv32, u16 *phase1key)
-{
- struct b43_wl *wl = hw_to_b43_wl(hw);
- struct b43_wldev *dev;
- int index = keyconf->hw_key_idx;
-
- if (B43_WARN_ON(!modparam_hwtkip))
- return;
-
- /* This is only called from the RX path through mac80211, where
- * our mutex is already locked. */
- B43_WARN_ON(!mutex_is_locked(&wl->mutex));
- dev = wl->current_dev;
- B43_WARN_ON(!dev || b43_status(dev) < B43_STAT_INITIALIZED);
-
- keymac_write(dev, index, NULL); /* First zero out mac to avoid race */
-
- rx_tkip_phase1_write(dev, index, iv32, phase1key);
- /* only pairwise TKIP keys are supported right now */
- if (WARN_ON(!sta))
- return;
- keymac_write(dev, index, sta->addr);
-}
-
-static void do_key_write(struct b43_wldev *dev,
- u8 index, u8 algorithm,
- const u8 *key, size_t key_len, const u8 *mac_addr)
-{
- u8 buf[B43_SEC_KEYSIZE] = { 0, };
- u8 pairwise_keys_start = B43_NR_GROUP_KEYS * 2;
-
- if (b43_new_kidx_api(dev))
- pairwise_keys_start = B43_NR_GROUP_KEYS;
-
- B43_WARN_ON(index >= ARRAY_SIZE(dev->key));
- B43_WARN_ON(key_len > B43_SEC_KEYSIZE);
-
- if (index >= pairwise_keys_start)
- keymac_write(dev, index, NULL); /* First zero out mac. */
- if (algorithm == B43_SEC_ALGO_TKIP) {
- /*
- * We should provide an initial iv32, phase1key pair.
- * We could start with iv32=0 and compute the corresponding
- * phase1key, but this means calling ieee80211_get_tkip_key
- * with a fake skb (or export other tkip function).
- * Because we are lazy we hope iv32 won't start with
- * 0xffffffff and let's b43_op_update_tkip_key provide a
- * correct pair.
- */
- rx_tkip_phase1_write(dev, index, 0xffffffff, (u16*)buf);
- } else if (index >= pairwise_keys_start) /* clear it */
- rx_tkip_phase1_write(dev, index, 0, NULL);
- if (key)
- memcpy(buf, key, key_len);
- key_write(dev, index, algorithm, buf);
- if (index >= pairwise_keys_start)
- keymac_write(dev, index, mac_addr);
-
- dev->key[index].algorithm = algorithm;
-}
-
-static int b43_key_write(struct b43_wldev *dev,
- int index, u8 algorithm,
- const u8 *key, size_t key_len,
- const u8 *mac_addr,
- struct ieee80211_key_conf *keyconf)
-{
- int i;
- int pairwise_keys_start;
-
- /* For ALG_TKIP the key is encoded as a 256-bit (32 byte) data block:
- * - Temporal Encryption Key (128 bits)
- * - Temporal Authenticator Tx MIC Key (64 bits)
- * - Temporal Authenticator Rx MIC Key (64 bits)
- *
- * Hardware only store TEK
- */
- if (algorithm == B43_SEC_ALGO_TKIP && key_len == 32)
- key_len = 16;
- if (key_len > B43_SEC_KEYSIZE)
- return -EINVAL;
- for (i = 0; i < ARRAY_SIZE(dev->key); i++) {
- /* Check that we don't already have this key. */
- B43_WARN_ON(dev->key[i].keyconf == keyconf);
- }
- if (index < 0) {
- /* Pairwise key. Get an empty slot for the key. */
- if (b43_new_kidx_api(dev))
- pairwise_keys_start = B43_NR_GROUP_KEYS;
- else
- pairwise_keys_start = B43_NR_GROUP_KEYS * 2;
- for (i = pairwise_keys_start;
- i < pairwise_keys_start + B43_NR_PAIRWISE_KEYS;
- i++) {
- B43_WARN_ON(i >= ARRAY_SIZE(dev->key));
- if (!dev->key[i].keyconf) {
- /* found empty */
- index = i;
- break;
- }
- }
- if (index < 0) {
- b43warn(dev->wl, "Out of hardware key memory\n");
- return -ENOSPC;
- }
- } else
- B43_WARN_ON(index > 3);
-
- do_key_write(dev, index, algorithm, key, key_len, mac_addr);
- if ((index <= 3) && !b43_new_kidx_api(dev)) {
- /* Default RX key */
- B43_WARN_ON(mac_addr);
- do_key_write(dev, index + 4, algorithm, key, key_len, NULL);
- }
- keyconf->hw_key_idx = index;
- dev->key[index].keyconf = keyconf;
-
- return 0;
-}
-
-static int b43_key_clear(struct b43_wldev *dev, int index)
-{
- if (B43_WARN_ON((index < 0) || (index >= ARRAY_SIZE(dev->key))))
- return -EINVAL;
- do_key_write(dev, index, B43_SEC_ALGO_NONE,
- NULL, B43_SEC_KEYSIZE, NULL);
- if ((index <= 3) && !b43_new_kidx_api(dev)) {
- do_key_write(dev, index + 4, B43_SEC_ALGO_NONE,
- NULL, B43_SEC_KEYSIZE, NULL);
- }
- dev->key[index].keyconf = NULL;
-
- return 0;
-}
-
-static void b43_clear_keys(struct b43_wldev *dev)
-{
- int i, count;
-
- if (b43_new_kidx_api(dev))
- count = B43_NR_GROUP_KEYS + B43_NR_PAIRWISE_KEYS;
- else
- count = B43_NR_GROUP_KEYS * 2 + B43_NR_PAIRWISE_KEYS;
- for (i = 0; i < count; i++)
- b43_key_clear(dev, i);
-}
-
-static void b43_dump_keymemory(struct b43_wldev *dev)
-{
- unsigned int i, index, count, offset, pairwise_keys_start;
- u8 mac[ETH_ALEN];
- u16 algo;
- u32 rcmta0;
- u16 rcmta1;
- u64 hf;
- struct b43_key *key;
-
- if (!b43_debug(dev, B43_DBG_KEYS))
- return;
-
- hf = b43_hf_read(dev);
- b43dbg(dev->wl, "Hardware key memory dump: USEDEFKEYS=%u\n",
- !!(hf & B43_HF_USEDEFKEYS));
- if (b43_new_kidx_api(dev)) {
- pairwise_keys_start = B43_NR_GROUP_KEYS;
- count = B43_NR_GROUP_KEYS + B43_NR_PAIRWISE_KEYS;
- } else {
- pairwise_keys_start = B43_NR_GROUP_KEYS * 2;
- count = B43_NR_GROUP_KEYS * 2 + B43_NR_PAIRWISE_KEYS;
- }
- for (index = 0; index < count; index++) {
- key = &(dev->key[index]);
- printk(KERN_DEBUG "Key slot %02u: %s",
- index, (key->keyconf == NULL) ? " " : "*");
- offset = dev->ktp + (index * B43_SEC_KEYSIZE);
- for (i = 0; i < B43_SEC_KEYSIZE; i += 2) {
- u16 tmp = b43_shm_read16(dev, B43_SHM_SHARED, offset + i);
- printk("%02X%02X", (tmp & 0xFF), ((tmp >> 8) & 0xFF));
- }
-
- algo = b43_shm_read16(dev, B43_SHM_SHARED,
- B43_SHM_SH_KEYIDXBLOCK + (index * 2));
- printk(" Algo: %04X/%02X", algo, key->algorithm);
-
- if (index >= pairwise_keys_start) {
- if (key->algorithm == B43_SEC_ALGO_TKIP) {
- printk(" TKIP: ");
- offset = B43_SHM_SH_TKIPTSCTTAK + (index - 4) * (10 + 4);
- for (i = 0; i < 14; i += 2) {
- u16 tmp = b43_shm_read16(dev, B43_SHM_SHARED, offset + i);
- printk("%02X%02X", (tmp & 0xFF), ((tmp >> 8) & 0xFF));
- }
- }
- rcmta0 = b43_shm_read32(dev, B43_SHM_RCMTA,
- ((index - pairwise_keys_start) * 2) + 0);
- rcmta1 = b43_shm_read16(dev, B43_SHM_RCMTA,
- ((index - pairwise_keys_start) * 2) + 1);
- *((__le32 *)(&mac[0])) = cpu_to_le32(rcmta0);
- *((__le16 *)(&mac[4])) = cpu_to_le16(rcmta1);
- printk(" MAC: %pM", mac);
- } else
- printk(" DEFAULT KEY");
- printk("\n");
- }
-}
-
-void b43_power_saving_ctl_bits(struct b43_wldev *dev, unsigned int ps_flags)
-{
- u32 macctl;
- u16 ucstat;
- bool hwps;
- bool awake;
- int i;
-
- B43_WARN_ON((ps_flags & B43_PS_ENABLED) &&
- (ps_flags & B43_PS_DISABLED));
- B43_WARN_ON((ps_flags & B43_PS_AWAKE) && (ps_flags & B43_PS_ASLEEP));
-
- if (ps_flags & B43_PS_ENABLED) {
- hwps = true;
- } else if (ps_flags & B43_PS_DISABLED) {
- hwps = false;
- } else {
- //TODO: If powersave is not off and FIXME is not set and we are not in adhoc
- // and thus is not an AP and we are associated, set bit 25
- }
- if (ps_flags & B43_PS_AWAKE) {
- awake = true;
- } else if (ps_flags & B43_PS_ASLEEP) {
- awake = false;
- } else {
- //TODO: If the device is awake or this is an AP, or we are scanning, or FIXME,
- // or we are associated, or FIXME, or the latest PS-Poll packet sent was
- // successful, set bit26
- }
-
-/* FIXME: For now we force awake-on and hwps-off */
- hwps = false;
- awake = true;
-
- macctl = b43_read32(dev, B43_MMIO_MACCTL);
- if (hwps)
- macctl |= B43_MACCTL_HWPS;
- else
- macctl &= ~B43_MACCTL_HWPS;
- if (awake)
- macctl |= B43_MACCTL_AWAKE;
- else
- macctl &= ~B43_MACCTL_AWAKE;
- b43_write32(dev, B43_MMIO_MACCTL, macctl);
- /* Commit write */
- b43_read32(dev, B43_MMIO_MACCTL);
- if (awake && dev->dev->core_rev >= 5) {
- /* Wait for the microcode to wake up. */
- for (i = 0; i < 100; i++) {
- ucstat = b43_shm_read16(dev, B43_SHM_SHARED,
- B43_SHM_SH_UCODESTAT);
- if (ucstat != B43_SHM_SH_UCODESTAT_SLEEP)
- break;
- udelay(10);
- }
- }
-}
-
-/* http://bcm-v4.sipsolutions.net/802.11/PHY/BmacCorePllReset */
-void b43_wireless_core_phy_pll_reset(struct b43_wldev *dev)
-{
- struct bcma_drv_cc *bcma_cc __maybe_unused;
- struct ssb_chipcommon *ssb_cc __maybe_unused;
-
- switch (dev->dev->bus_type) {
-#ifdef CONFIG_B43_BCMA
- case B43_BUS_BCMA:
- bcma_cc = &dev->dev->bdev->bus->drv_cc;
-
- bcma_cc_write32(bcma_cc, BCMA_CC_CHIPCTL_ADDR, 0);
- bcma_cc_mask32(bcma_cc, BCMA_CC_CHIPCTL_DATA, ~0x4);
- bcma_cc_set32(bcma_cc, BCMA_CC_CHIPCTL_DATA, 0x4);
- bcma_cc_mask32(bcma_cc, BCMA_CC_CHIPCTL_DATA, ~0x4);
- break;
-#endif
-#ifdef CONFIG_B43_SSB
- case B43_BUS_SSB:
- ssb_cc = &dev->dev->sdev->bus->chipco;
-
- chipco_write32(ssb_cc, SSB_CHIPCO_CHIPCTL_ADDR, 0);
- chipco_mask32(ssb_cc, SSB_CHIPCO_CHIPCTL_DATA, ~0x4);
- chipco_set32(ssb_cc, SSB_CHIPCO_CHIPCTL_DATA, 0x4);
- chipco_mask32(ssb_cc, SSB_CHIPCO_CHIPCTL_DATA, ~0x4);
- break;
-#endif
- }
-}
-
-#ifdef CONFIG_B43_BCMA
-static void b43_bcma_phy_reset(struct b43_wldev *dev)
-{
- u32 flags;
-
- /* Put PHY into reset */
- flags = bcma_aread32(dev->dev->bdev, BCMA_IOCTL);
- flags |= B43_BCMA_IOCTL_PHY_RESET;
- flags |= B43_BCMA_IOCTL_PHY_BW_20MHZ; /* Make 20 MHz def */
- bcma_awrite32(dev->dev->bdev, BCMA_IOCTL, flags);
- udelay(2);
-
- b43_phy_take_out_of_reset(dev);
-}
-
-static void b43_bcma_wireless_core_reset(struct b43_wldev *dev, bool gmode)
-{
- u32 req = B43_BCMA_CLKCTLST_80211_PLL_REQ |
- B43_BCMA_CLKCTLST_PHY_PLL_REQ;
- u32 status = B43_BCMA_CLKCTLST_80211_PLL_ST |
- B43_BCMA_CLKCTLST_PHY_PLL_ST;
- u32 flags;
-
- flags = B43_BCMA_IOCTL_PHY_CLKEN;
- if (gmode)
- flags |= B43_BCMA_IOCTL_GMODE;
- b43_device_enable(dev, flags);
-
- if (dev->phy.type == B43_PHYTYPE_AC) {
- u16 tmp;
-
- tmp = bcma_aread32(dev->dev->bdev, BCMA_IOCTL);
- tmp &= ~B43_BCMA_IOCTL_DAC;
- tmp |= 0x100;
- bcma_awrite32(dev->dev->bdev, BCMA_IOCTL, tmp);
-
- tmp = bcma_aread32(dev->dev->bdev, BCMA_IOCTL);
- tmp &= ~B43_BCMA_IOCTL_PHY_CLKEN;
- bcma_awrite32(dev->dev->bdev, BCMA_IOCTL, tmp);
-
- tmp = bcma_aread32(dev->dev->bdev, BCMA_IOCTL);
- tmp |= B43_BCMA_IOCTL_PHY_CLKEN;
- bcma_awrite32(dev->dev->bdev, BCMA_IOCTL, tmp);
- }
-
- bcma_core_set_clockmode(dev->dev->bdev, BCMA_CLKMODE_FAST);
- b43_bcma_phy_reset(dev);
- bcma_core_pll_ctl(dev->dev->bdev, req, status, true);
-}
-#endif
-
-#ifdef CONFIG_B43_SSB
-static void b43_ssb_wireless_core_reset(struct b43_wldev *dev, bool gmode)
-{
- u32 flags = 0;
-
- if (gmode)
- flags |= B43_TMSLOW_GMODE;
- flags |= B43_TMSLOW_PHYCLKEN;
- flags |= B43_TMSLOW_PHYRESET;
- if (dev->phy.type == B43_PHYTYPE_N)
- flags |= B43_TMSLOW_PHY_BANDWIDTH_20MHZ; /* Make 20 MHz def */
- b43_device_enable(dev, flags);
- msleep(2); /* Wait for the PLL to turn on. */
-
- b43_phy_take_out_of_reset(dev);
-}
-#endif
-
-void b43_wireless_core_reset(struct b43_wldev *dev, bool gmode)
-{
- u32 macctl;
-
- switch (dev->dev->bus_type) {
-#ifdef CONFIG_B43_BCMA
- case B43_BUS_BCMA:
- b43_bcma_wireless_core_reset(dev, gmode);
- break;
-#endif
-#ifdef CONFIG_B43_SSB
- case B43_BUS_SSB:
- b43_ssb_wireless_core_reset(dev, gmode);
- break;
-#endif
- }
-
- /* Turn Analog ON, but only if we already know the PHY-type.
- * This protects against very early setup where we don't know the
- * PHY-type, yet. wireless_core_reset will be called once again later,
- * when we know the PHY-type. */
- if (dev->phy.ops)
- dev->phy.ops->switch_analog(dev, 1);
-
- macctl = b43_read32(dev, B43_MMIO_MACCTL);
- macctl &= ~B43_MACCTL_GMODE;
- if (gmode)
- macctl |= B43_MACCTL_GMODE;
- macctl |= B43_MACCTL_IHR_ENABLED;
- b43_write32(dev, B43_MMIO_MACCTL, macctl);
-}
-
-static void handle_irq_transmit_status(struct b43_wldev *dev)
-{
- u32 v0, v1;
- u16 tmp;
- struct b43_txstatus stat;
-
- while (1) {
- v0 = b43_read32(dev, B43_MMIO_XMITSTAT_0);
- if (!(v0 & 0x00000001))
- break;
- v1 = b43_read32(dev, B43_MMIO_XMITSTAT_1);
-
- stat.cookie = (v0 >> 16);
- stat.seq = (v1 & 0x0000FFFF);
- stat.phy_stat = ((v1 & 0x00FF0000) >> 16);
- tmp = (v0 & 0x0000FFFF);
- stat.frame_count = ((tmp & 0xF000) >> 12);
- stat.rts_count = ((tmp & 0x0F00) >> 8);
- stat.supp_reason = ((tmp & 0x001C) >> 2);
- stat.pm_indicated = !!(tmp & 0x0080);
- stat.intermediate = !!(tmp & 0x0040);
- stat.for_ampdu = !!(tmp & 0x0020);
- stat.acked = !!(tmp & 0x0002);
-
- b43_handle_txstatus(dev, &stat);
- }
-}
-
-static void drain_txstatus_queue(struct b43_wldev *dev)
-{
- u32 dummy;
-
- if (dev->dev->core_rev < 5)
- return;
- /* Read all entries from the microcode TXstatus FIFO
- * and throw them away.
- */
- while (1) {
- dummy = b43_read32(dev, B43_MMIO_XMITSTAT_0);
- if (!(dummy & 0x00000001))
- break;
- dummy = b43_read32(dev, B43_MMIO_XMITSTAT_1);
- }
-}
-
-static u32 b43_jssi_read(struct b43_wldev *dev)
-{
- u32 val = 0;
-
- val = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_JSSI1);
- val <<= 16;
- val |= b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_JSSI0);
-
- return val;
-}
-
-static void b43_jssi_write(struct b43_wldev *dev, u32 jssi)
-{
- b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_JSSI0,
- (jssi & 0x0000FFFF));
- b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_JSSI1,
- (jssi & 0xFFFF0000) >> 16);
-}
-
-static void b43_generate_noise_sample(struct b43_wldev *dev)
-{
- b43_jssi_write(dev, 0x7F7F7F7F);
- b43_write32(dev, B43_MMIO_MACCMD,
- b43_read32(dev, B43_MMIO_MACCMD) | B43_MACCMD_BGNOISE);
-}
-
-static void b43_calculate_link_quality(struct b43_wldev *dev)
-{
- /* Top half of Link Quality calculation. */
-
- if (dev->phy.type != B43_PHYTYPE_G)
- return;
- if (dev->noisecalc.calculation_running)
- return;
- dev->noisecalc.calculation_running = true;
- dev->noisecalc.nr_samples = 0;
-
- b43_generate_noise_sample(dev);
-}
-
-static void handle_irq_noise(struct b43_wldev *dev)
-{
- struct b43_phy_g *phy = dev->phy.g;
- u16 tmp;
- u8 noise[4];
- u8 i, j;
- s32 average;
-
- /* Bottom half of Link Quality calculation. */
-
- if (dev->phy.type != B43_PHYTYPE_G)
- return;
-
- /* Possible race condition: It might be possible that the user
- * changed to a different channel in the meantime since we
- * started the calculation. We ignore that fact, since it's
- * not really that much of a problem. The background noise is
- * an estimation only anyway. Slightly wrong results will get damped
- * by the averaging of the 8 sample rounds. Additionally the
- * value is shortlived. So it will be replaced by the next noise
- * calculation round soon. */
-
- B43_WARN_ON(!dev->noisecalc.calculation_running);
- *((__le32 *)noise) = cpu_to_le32(b43_jssi_read(dev));
- if (noise[0] == 0x7F || noise[1] == 0x7F ||
- noise[2] == 0x7F || noise[3] == 0x7F)
- goto generate_new;
-
- /* Get the noise samples. */
- B43_WARN_ON(dev->noisecalc.nr_samples >= 8);
- i = dev->noisecalc.nr_samples;
- noise[0] = clamp_val(noise[0], 0, ARRAY_SIZE(phy->nrssi_lt) - 1);
- noise[1] = clamp_val(noise[1], 0, ARRAY_SIZE(phy->nrssi_lt) - 1);
- noise[2] = clamp_val(noise[2], 0, ARRAY_SIZE(phy->nrssi_lt) - 1);
- noise[3] = clamp_val(noise[3], 0, ARRAY_SIZE(phy->nrssi_lt) - 1);
- dev->noisecalc.samples[i][0] = phy->nrssi_lt[noise[0]];
- dev->noisecalc.samples[i][1] = phy->nrssi_lt[noise[1]];
- dev->noisecalc.samples[i][2] = phy->nrssi_lt[noise[2]];
- dev->noisecalc.samples[i][3] = phy->nrssi_lt[noise[3]];
- dev->noisecalc.nr_samples++;
- if (dev->noisecalc.nr_samples == 8) {
- /* Calculate the Link Quality by the noise samples. */
- average = 0;
- for (i = 0; i < 8; i++) {
- for (j = 0; j < 4; j++)
- average += dev->noisecalc.samples[i][j];
- }
- average /= (8 * 4);
- average *= 125;
- average += 64;
- average /= 128;
- tmp = b43_shm_read16(dev, B43_SHM_SHARED, 0x40C);
- tmp = (tmp / 128) & 0x1F;
- if (tmp >= 8)
- average += 2;
- else
- average -= 25;
- if (tmp == 8)
- average -= 72;
- else
- average -= 48;
-
- dev->stats.link_noise = average;
- dev->noisecalc.calculation_running = false;
- return;
- }
-generate_new:
- b43_generate_noise_sample(dev);
-}
-
-static void handle_irq_tbtt_indication(struct b43_wldev *dev)
-{
- if (b43_is_mode(dev->wl, NL80211_IFTYPE_AP)) {
- ///TODO: PS TBTT
- } else {
- if (1 /*FIXME: the last PSpoll frame was sent successfully */ )
- b43_power_saving_ctl_bits(dev, 0);
- }
- if (b43_is_mode(dev->wl, NL80211_IFTYPE_ADHOC))
- dev->dfq_valid = true;
-}
-
-static void handle_irq_atim_end(struct b43_wldev *dev)
-{
- if (dev->dfq_valid) {
- b43_write32(dev, B43_MMIO_MACCMD,
- b43_read32(dev, B43_MMIO_MACCMD)
- | B43_MACCMD_DFQ_VALID);
- dev->dfq_valid = false;
- }
-}
-
-static void handle_irq_pmq(struct b43_wldev *dev)
-{
- u32 tmp;
-
- //TODO: AP mode.
-
- while (1) {
- tmp = b43_read32(dev, B43_MMIO_PS_STATUS);
- if (!(tmp & 0x00000008))
- break;
- }
- /* 16bit write is odd, but correct. */
- b43_write16(dev, B43_MMIO_PS_STATUS, 0x0002);
-}
-
-static void b43_write_template_common(struct b43_wldev *dev,
- const u8 *data, u16 size,
- u16 ram_offset,
- u16 shm_size_offset, u8 rate)
-{
- u32 i, tmp;
- struct b43_plcp_hdr4 plcp;
-
- plcp.data = 0;
- b43_generate_plcp_hdr(&plcp, size + FCS_LEN, rate);
- b43_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;
- b43_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;
- b43_ram_write(dev, ram_offset + i - 2, tmp);
- }
- b43_shm_write16(dev, B43_SHM_SHARED, shm_size_offset,
- size + sizeof(struct b43_plcp_hdr6));
-}
-
-/* Check if the use of the antenna that ieee80211 told us to
- * use is possible. This will fall back to DEFAULT.
- * "antenna_nr" is the antenna identifier we got from ieee80211. */
-u8 b43_ieee80211_antenna_sanitize(struct b43_wldev *dev,
- u8 antenna_nr)
-{
- u8 antenna_mask;
-
- if (antenna_nr == 0) {
- /* Zero means "use default antenna". That's always OK. */
- return 0;
- }
-
- /* Get the mask of available antennas. */
- if (dev->phy.gmode)
- antenna_mask = dev->dev->bus_sprom->ant_available_bg;
- else
- antenna_mask = dev->dev->bus_sprom->ant_available_a;
-
- if (!(antenna_mask & (1 << (antenna_nr - 1)))) {
- /* This antenna is not available. Fall back to default. */
- return 0;
- }
-
- return antenna_nr;
-}
-
-/* Convert a b43 antenna number value to the PHY TX control value. */
-static u16 b43_antenna_to_phyctl(int antenna)
-{
- switch (antenna) {
- case B43_ANTENNA0:
- return B43_TXH_PHY_ANT0;
- case B43_ANTENNA1:
- return B43_TXH_PHY_ANT1;
- case B43_ANTENNA2:
- return B43_TXH_PHY_ANT2;
- case B43_ANTENNA3:
- return B43_TXH_PHY_ANT3;
- case B43_ANTENNA_AUTO0:
- case B43_ANTENNA_AUTO1:
- return B43_TXH_PHY_ANT01AUTO;
- }
- B43_WARN_ON(1);
- return 0;
-}
-
-static void b43_write_beacon_template(struct b43_wldev *dev,
- u16 ram_offset,
- u16 shm_size_offset)
-{
- unsigned int i, len, variable_len;
- const struct ieee80211_mgmt *bcn;
- const u8 *ie;
- bool tim_found = false;
- unsigned int rate;
- u16 ctl;
- int antenna;
- struct ieee80211_tx_info *info;
- unsigned long flags;
- struct sk_buff *beacon_skb;
-
- spin_lock_irqsave(&dev->wl->beacon_lock, flags);
- info = IEEE80211_SKB_CB(dev->wl->current_beacon);
- rate = ieee80211_get_tx_rate(dev->wl->hw, info)->hw_value;
- /* Clone the beacon, so it cannot go away, while we write it to hw. */
- beacon_skb = skb_clone(dev->wl->current_beacon, GFP_ATOMIC);
- spin_unlock_irqrestore(&dev->wl->beacon_lock, flags);
-
- if (!beacon_skb) {
- b43dbg(dev->wl, "Could not upload beacon. "
- "Failed to clone beacon skb.");
- return;
- }
-
- bcn = (const struct ieee80211_mgmt *)(beacon_skb->data);
- len = min_t(size_t, beacon_skb->len,
- 0x200 - sizeof(struct b43_plcp_hdr6));
-
- b43_write_template_common(dev, (const u8 *)bcn,
- len, ram_offset, shm_size_offset, rate);
-
- /* Write the PHY TX control parameters. */
- antenna = B43_ANTENNA_DEFAULT;
- antenna = b43_antenna_to_phyctl(antenna);
- ctl = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL);
- /* We can't send beacons with short preamble. Would get PHY errors. */
- ctl &= ~B43_TXH_PHY_SHORTPRMBL;
- ctl &= ~B43_TXH_PHY_ANT;
- ctl &= ~B43_TXH_PHY_ENC;
- ctl |= antenna;
- if (b43_is_cck_rate(rate))
- ctl |= B43_TXH_PHY_ENC_CCK;
- else
- ctl |= B43_TXH_PHY_ENC_OFDM;
- b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL, ctl);
-
- /* Find the position of the TIM and the DTIM_period value
- * and write them to SHM. */
- ie = bcn->u.beacon.variable;
- variable_len = len - offsetof(struct ieee80211_mgmt, u.beacon.variable);
- for (i = 0; i < variable_len - 2; ) {
- uint8_t ie_id, ie_len;
-
- ie_id = ie[i];
- ie_len = ie[i + 1];
- if (ie_id == 5) {
- u16 tim_position;
- u16 dtim_period;
- /* This is the TIM Information Element */
-
- /* Check whether the ie_len is in the beacon data range. */
- if (variable_len < ie_len + 2 + i)
- break;
- /* A valid TIM is at least 4 bytes long. */
- if (ie_len < 4)
- break;
- tim_found = true;
-
- tim_position = sizeof(struct b43_plcp_hdr6);
- tim_position += offsetof(struct ieee80211_mgmt, u.beacon.variable);
- tim_position += i;
-
- dtim_period = ie[i + 3];
-
- b43_shm_write16(dev, B43_SHM_SHARED,
- B43_SHM_SH_TIMBPOS, tim_position);
- b43_shm_write16(dev, B43_SHM_SHARED,
- B43_SHM_SH_DTIMPER, dtim_period);
- break;
- }
- i += ie_len + 2;
- }
- if (!tim_found) {
- /*
- * If ucode wants to modify TIM do it behind the beacon, this
- * will happen, for example, when doing mesh networking.
- */
- b43_shm_write16(dev, B43_SHM_SHARED,
- B43_SHM_SH_TIMBPOS,
- len + sizeof(struct b43_plcp_hdr6));
- b43_shm_write16(dev, B43_SHM_SHARED,
- B43_SHM_SH_DTIMPER, 0);
- }
- b43dbg(dev->wl, "Updated beacon template at 0x%x\n", ram_offset);
-
- dev_kfree_skb_any(beacon_skb);
-}
-
-static void b43_upload_beacon0(struct b43_wldev *dev)
-{
- struct b43_wl *wl = dev->wl;
-
- if (wl->beacon0_uploaded)
- return;
- b43_write_beacon_template(dev, B43_SHM_SH_BT_BASE0, B43_SHM_SH_BTL0);
- wl->beacon0_uploaded = true;
-}
-
-static void b43_upload_beacon1(struct b43_wldev *dev)
-{
- struct b43_wl *wl = dev->wl;
-
- if (wl->beacon1_uploaded)
- return;
- b43_write_beacon_template(dev, B43_SHM_SH_BT_BASE1, B43_SHM_SH_BTL1);
- wl->beacon1_uploaded = true;
-}
-
-static void handle_irq_beacon(struct b43_wldev *dev)
-{
- struct b43_wl *wl = dev->wl;
- u32 cmd, beacon0_valid, beacon1_valid;
-
- if (!b43_is_mode(wl, NL80211_IFTYPE_AP) &&
- !b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT) &&
- !b43_is_mode(wl, NL80211_IFTYPE_ADHOC))
- return;
-
- /* This is the bottom half of the asynchronous beacon update. */
-
- /* Ignore interrupt in the future. */
- dev->irq_mask &= ~B43_IRQ_BEACON;
-
- cmd = b43_read32(dev, B43_MMIO_MACCMD);
- beacon0_valid = (cmd & B43_MACCMD_BEACON0_VALID);
- beacon1_valid = (cmd & B43_MACCMD_BEACON1_VALID);
-
- /* Schedule interrupt manually, if busy. */
- if (beacon0_valid && beacon1_valid) {
- b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, B43_IRQ_BEACON);
- dev->irq_mask |= B43_IRQ_BEACON;
- return;
- }
-
- if (unlikely(wl->beacon_templates_virgin)) {
- /* We never uploaded a beacon before.
- * Upload both templates now, but only mark one valid. */
- wl->beacon_templates_virgin = false;
- b43_upload_beacon0(dev);
- b43_upload_beacon1(dev);
- cmd = b43_read32(dev, B43_MMIO_MACCMD);
- cmd |= B43_MACCMD_BEACON0_VALID;
- b43_write32(dev, B43_MMIO_MACCMD, cmd);
- } else {
- if (!beacon0_valid) {
- b43_upload_beacon0(dev);
- cmd = b43_read32(dev, B43_MMIO_MACCMD);
- cmd |= B43_MACCMD_BEACON0_VALID;
- b43_write32(dev, B43_MMIO_MACCMD, cmd);
- } else if (!beacon1_valid) {
- b43_upload_beacon1(dev);
- cmd = b43_read32(dev, B43_MMIO_MACCMD);
- cmd |= B43_MACCMD_BEACON1_VALID;
- b43_write32(dev, B43_MMIO_MACCMD, cmd);
- }
- }
-}
-
-static void b43_do_beacon_update_trigger_work(struct b43_wldev *dev)
-{
- u32 old_irq_mask = dev->irq_mask;
-
- /* update beacon right away or defer to irq */
- handle_irq_beacon(dev);
- if (old_irq_mask != dev->irq_mask) {
- /* The handler updated the IRQ mask. */
- B43_WARN_ON(!dev->irq_mask);
- if (b43_read32(dev, B43_MMIO_GEN_IRQ_MASK)) {
- b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, dev->irq_mask);
- } else {
- /* Device interrupts are currently disabled. That means
- * we just ran the hardirq handler and scheduled the
- * IRQ thread. The thread will write the IRQ mask when
- * it finished, so there's nothing to do here. Writing
- * the mask _here_ would incorrectly re-enable IRQs. */
- }
- }
-}
-
-static void b43_beacon_update_trigger_work(struct work_struct *work)
-{
- struct b43_wl *wl = container_of(work, struct b43_wl,
- beacon_update_trigger);
- struct b43_wldev *dev;
-
- mutex_lock(&wl->mutex);
- dev = wl->current_dev;
- if (likely(dev && (b43_status(dev) >= B43_STAT_INITIALIZED))) {
- if (b43_bus_host_is_sdio(dev->dev)) {
- /* wl->mutex is enough. */
- b43_do_beacon_update_trigger_work(dev);
- mmiowb();
- } else {
- spin_lock_irq(&wl->hardirq_lock);
- b43_do_beacon_update_trigger_work(dev);
- mmiowb();
- spin_unlock_irq(&wl->hardirq_lock);
- }
- }
- mutex_unlock(&wl->mutex);
-}
-
-/* Asynchronously update the packet templates in template RAM. */
-static void b43_update_templates(struct b43_wl *wl)
-{
- struct sk_buff *beacon, *old_beacon;
- unsigned long flags;
-
- /* This is the top half of the asynchronous beacon update.
- * The bottom half is the beacon IRQ.
- * Beacon update must be asynchronous to avoid sending an
- * invalid beacon. This can happen for example, if the firmware
- * transmits a beacon while we are updating it. */
-
- /* We could modify the existing beacon and set the aid bit in
- * the TIM field, but that would probably require resizing and
- * moving of data within the beacon template.
- * Simply request a new beacon and let mac80211 do the hard work. */
- beacon = ieee80211_beacon_get(wl->hw, wl->vif);
- if (unlikely(!beacon))
- return;
-
- spin_lock_irqsave(&wl->beacon_lock, flags);
- old_beacon = wl->current_beacon;
- wl->current_beacon = beacon;
- wl->beacon0_uploaded = false;
- wl->beacon1_uploaded = false;
- spin_unlock_irqrestore(&wl->beacon_lock, flags);
-
- ieee80211_queue_work(wl->hw, &wl->beacon_update_trigger);
-
- if (old_beacon)
- dev_kfree_skb_any(old_beacon);
-}
-
-static void b43_set_beacon_int(struct b43_wldev *dev, u16 beacon_int)
-{
- b43_time_lock(dev);
- if (dev->dev->core_rev >= 3) {
- b43_write32(dev, B43_MMIO_TSF_CFP_REP, (beacon_int << 16));
- b43_write32(dev, B43_MMIO_TSF_CFP_START, (beacon_int << 10));
- } else {
- b43_write16(dev, 0x606, (beacon_int >> 6));
- b43_write16(dev, 0x610, beacon_int);
- }
- b43_time_unlock(dev);
- b43dbg(dev->wl, "Set beacon interval to %u\n", beacon_int);
-}
-
-static void b43_handle_firmware_panic(struct b43_wldev *dev)
-{
- u16 reason;
-
- /* Read the register that contains the reason code for the panic. */
- reason = b43_shm_read16(dev, B43_SHM_SCRATCH, B43_FWPANIC_REASON_REG);
- b43err(dev->wl, "Whoopsy, firmware panic! Reason: %u\n", reason);
-
- switch (reason) {
- default:
- b43dbg(dev->wl, "The panic reason is unknown.\n");
- /* fallthrough */
- case B43_FWPANIC_DIE:
- /* Do not restart the controller or firmware.
- * The device is nonfunctional from now on.
- * Restarting would result in this panic to trigger again,
- * so we avoid that recursion. */
- break;
- case B43_FWPANIC_RESTART:
- b43_controller_restart(dev, "Microcode panic");
- break;
- }
-}
-
-static void handle_irq_ucode_debug(struct b43_wldev *dev)
-{
- unsigned int i, cnt;
- u16 reason, marker_id, marker_line;
- __le16 *buf;
-
- /* The proprietary firmware doesn't have this IRQ. */
- if (!dev->fw.opensource)
- return;
-
- /* Read the register that contains the reason code for this IRQ. */
- reason = b43_shm_read16(dev, B43_SHM_SCRATCH, B43_DEBUGIRQ_REASON_REG);
-
- switch (reason) {
- case B43_DEBUGIRQ_PANIC:
- b43_handle_firmware_panic(dev);
- break;
- case B43_DEBUGIRQ_DUMP_SHM:
- if (!B43_DEBUG)
- break; /* Only with driver debugging enabled. */
- buf = kmalloc(4096, GFP_ATOMIC);
- if (!buf) {
- b43dbg(dev->wl, "SHM-dump: Failed to allocate memory\n");
- goto out;
- }
- for (i = 0; i < 4096; i += 2) {
- u16 tmp = b43_shm_read16(dev, B43_SHM_SHARED, i);
- buf[i / 2] = cpu_to_le16(tmp);
- }
- b43info(dev->wl, "Shared memory dump:\n");
- print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET,
- 16, 2, buf, 4096, 1);
- kfree(buf);
- break;
- case B43_DEBUGIRQ_DUMP_REGS:
- if (!B43_DEBUG)
- break; /* Only with driver debugging enabled. */
- b43info(dev->wl, "Microcode register dump:\n");
- for (i = 0, cnt = 0; i < 64; i++) {
- u16 tmp = b43_shm_read16(dev, B43_SHM_SCRATCH, i);
- if (cnt == 0)
- printk(KERN_INFO);
- printk("r%02u: 0x%04X ", i, tmp);
- cnt++;
- if (cnt == 6) {
- printk("\n");
- cnt = 0;
- }
- }
- printk("\n");
- break;
- case B43_DEBUGIRQ_MARKER:
- if (!B43_DEBUG)
- break; /* Only with driver debugging enabled. */
- marker_id = b43_shm_read16(dev, B43_SHM_SCRATCH,
- B43_MARKER_ID_REG);
- marker_line = b43_shm_read16(dev, B43_SHM_SCRATCH,
- B43_MARKER_LINE_REG);
- b43info(dev->wl, "The firmware just executed the MARKER(%u) "
- "at line number %u\n",
- marker_id, marker_line);
- break;
- default:
- b43dbg(dev->wl, "Debug-IRQ triggered for unknown reason: %u\n",
- reason);
- }
-out:
- /* Acknowledge the debug-IRQ, so the firmware can continue. */
- b43_shm_write16(dev, B43_SHM_SCRATCH,
- B43_DEBUGIRQ_REASON_REG, B43_DEBUGIRQ_ACK);
-}
-
-static void b43_do_interrupt_thread(struct b43_wldev *dev)
-{
- u32 reason;
- u32 dma_reason[ARRAY_SIZE(dev->dma_reason)];
- u32 merged_dma_reason = 0;
- int i;
-
- if (unlikely(b43_status(dev) != B43_STAT_STARTED))
- return;
-
- reason = dev->irq_reason;
- for (i = 0; i < ARRAY_SIZE(dma_reason); i++) {
- dma_reason[i] = dev->dma_reason[i];
- merged_dma_reason |= dma_reason[i];
- }
-
- if (unlikely(reason & B43_IRQ_MAC_TXERR))
- b43err(dev->wl, "MAC transmission error\n");
-
- if (unlikely(reason & B43_IRQ_PHY_TXERR)) {
- b43err(dev->wl, "PHY transmission error\n");
- rmb();
- if (unlikely(atomic_dec_and_test(&dev->phy.txerr_cnt))) {
- atomic_set(&dev->phy.txerr_cnt,
- B43_PHY_TX_BADNESS_LIMIT);
- b43err(dev->wl, "Too many PHY TX errors, "
- "restarting the controller\n");
- b43_controller_restart(dev, "PHY TX errors");
- }
- }
-
- if (unlikely(merged_dma_reason & (B43_DMAIRQ_FATALMASK))) {
- b43err(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]);
- b43err(dev->wl, "This device does not support DMA "
- "on your system. It will now be switched to PIO.\n");
- /* Fall back to PIO transfers if we get fatal DMA errors! */
- dev->use_pio = true;
- b43_controller_restart(dev, "DMA error");
- return;
- }
-
- if (unlikely(reason & B43_IRQ_UCODE_DEBUG))
- handle_irq_ucode_debug(dev);
- if (reason & B43_IRQ_TBTT_INDI)
- handle_irq_tbtt_indication(dev);
- if (reason & B43_IRQ_ATIM_END)
- handle_irq_atim_end(dev);
- if (reason & B43_IRQ_BEACON)
- handle_irq_beacon(dev);
- if (reason & B43_IRQ_PMQ)
- handle_irq_pmq(dev);
- if (reason & B43_IRQ_TXFIFO_FLUSH_OK)
- ;/* TODO */
- if (reason & B43_IRQ_NOISESAMPLE_OK)
- handle_irq_noise(dev);
-
- /* Check the DMA reason registers for received data. */
- if (dma_reason[0] & B43_DMAIRQ_RDESC_UFLOW) {
- if (B43_DEBUG)
- b43warn(dev->wl, "RX descriptor underrun\n");
- b43_dma_handle_rx_overflow(dev->dma.rx_ring);
- }
- if (dma_reason[0] & B43_DMAIRQ_RX_DONE) {
- if (b43_using_pio_transfers(dev))
- b43_pio_rx(dev->pio.rx_queue);
- else
- b43_dma_rx(dev->dma.rx_ring);
- }
- B43_WARN_ON(dma_reason[1] & B43_DMAIRQ_RX_DONE);
- B43_WARN_ON(dma_reason[2] & B43_DMAIRQ_RX_DONE);
- B43_WARN_ON(dma_reason[3] & B43_DMAIRQ_RX_DONE);
- B43_WARN_ON(dma_reason[4] & B43_DMAIRQ_RX_DONE);
- B43_WARN_ON(dma_reason[5] & B43_DMAIRQ_RX_DONE);
-
- if (reason & B43_IRQ_TX_OK)
- handle_irq_transmit_status(dev);
-
- /* Re-enable interrupts on the device by restoring the current interrupt mask. */
- b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, dev->irq_mask);
-
-#if B43_DEBUG
- if (b43_debug(dev, B43_DBG_VERBOSESTATS)) {
- dev->irq_count++;
- for (i = 0; i < ARRAY_SIZE(dev->irq_bit_count); i++) {
- if (reason & (1 << i))
- dev->irq_bit_count[i]++;
- }
- }
-#endif
-}
-
-/* Interrupt thread handler. Handles device interrupts in thread context. */
-static irqreturn_t b43_interrupt_thread_handler(int irq, void *dev_id)
-{
- struct b43_wldev *dev = dev_id;
-
- mutex_lock(&dev->wl->mutex);
- b43_do_interrupt_thread(dev);
- mmiowb();
- mutex_unlock(&dev->wl->mutex);
-
- return IRQ_HANDLED;
-}
-
-static irqreturn_t b43_do_interrupt(struct b43_wldev *dev)
-{
- u32 reason;
-
- /* This code runs under wl->hardirq_lock, but _only_ on non-SDIO busses.
- * On SDIO, this runs under wl->mutex. */
-
- reason = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON);
- if (reason == 0xffffffff) /* shared IRQ */
- return IRQ_NONE;
- reason &= dev->irq_mask;
- if (!reason)
- return IRQ_NONE;
-
- dev->dma_reason[0] = b43_read32(dev, B43_MMIO_DMA0_REASON)
- & 0x0001FC00;
- dev->dma_reason[1] = b43_read32(dev, B43_MMIO_DMA1_REASON)
- & 0x0000DC00;
- dev->dma_reason[2] = b43_read32(dev, B43_MMIO_DMA2_REASON)
- & 0x0000DC00;
- dev->dma_reason[3] = b43_read32(dev, B43_MMIO_DMA3_REASON)
- & 0x0001DC00;
- dev->dma_reason[4] = b43_read32(dev, B43_MMIO_DMA4_REASON)
- & 0x0000DC00;
-/* Unused ring
- dev->dma_reason[5] = b43_read32(dev, B43_MMIO_DMA5_REASON)
- & 0x0000DC00;
-*/
-
- /* ACK the interrupt. */
- b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, reason);
- b43_write32(dev, B43_MMIO_DMA0_REASON, dev->dma_reason[0]);
- b43_write32(dev, B43_MMIO_DMA1_REASON, dev->dma_reason[1]);
- b43_write32(dev, B43_MMIO_DMA2_REASON, dev->dma_reason[2]);
- b43_write32(dev, B43_MMIO_DMA3_REASON, dev->dma_reason[3]);
- b43_write32(dev, B43_MMIO_DMA4_REASON, dev->dma_reason[4]);
-/* Unused ring
- b43_write32(dev, B43_MMIO_DMA5_REASON, dev->dma_reason[5]);
-*/
-
- /* Disable IRQs on the device. The IRQ thread handler will re-enable them. */
- b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, 0);
- /* Save the reason bitmasks for the IRQ thread handler. */
- dev->irq_reason = reason;
-
- return IRQ_WAKE_THREAD;
-}
-
-/* Interrupt handler top-half. This runs with interrupts disabled. */
-static irqreturn_t b43_interrupt_handler(int irq, void *dev_id)
-{
- struct b43_wldev *dev = dev_id;
- irqreturn_t ret;
-
- if (unlikely(b43_status(dev) < B43_STAT_STARTED))
- return IRQ_NONE;
-
- spin_lock(&dev->wl->hardirq_lock);
- ret = b43_do_interrupt(dev);
- mmiowb();
- spin_unlock(&dev->wl->hardirq_lock);
-
- return ret;
-}
-
-/* SDIO interrupt handler. This runs in process context. */
-static void b43_sdio_interrupt_handler(struct b43_wldev *dev)
-{
- struct b43_wl *wl = dev->wl;
- irqreturn_t ret;
-
- mutex_lock(&wl->mutex);
-
- ret = b43_do_interrupt(dev);
- if (ret == IRQ_WAKE_THREAD)
- b43_do_interrupt_thread(dev);
-
- mutex_unlock(&wl->mutex);
-}
-
-void b43_do_release_fw(struct b43_firmware_file *fw)
-{
- release_firmware(fw->data);
- fw->data = NULL;
- fw->filename = NULL;
-}
-
-static void b43_release_firmware(struct b43_wldev *dev)
-{
- complete(&dev->fw_load_complete);
- b43_do_release_fw(&dev->fw.ucode);
- b43_do_release_fw(&dev->fw.pcm);
- b43_do_release_fw(&dev->fw.initvals);
- b43_do_release_fw(&dev->fw.initvals_band);
-}
-
-static void b43_print_fw_helptext(struct b43_wl *wl, bool error)
-{
- const char text[] =
- "You must go to " \
- "http://wireless.kernel.org/en/users/Drivers/b43#devicefirmware " \
- "and download the correct firmware for this driver version. " \
- "Please carefully read all instructions on this website.\n";
-
- if (error)
- b43err(wl, text);
- else
- b43warn(wl, text);
-}
-
-static void b43_fw_cb(const struct firmware *firmware, void *context)
-{
- struct b43_request_fw_context *ctx = context;
-
- ctx->blob = firmware;
- complete(&ctx->dev->fw_load_complete);
-}
-
-int b43_do_request_fw(struct b43_request_fw_context *ctx,
- const char *name,
- struct b43_firmware_file *fw, bool async)
-{
- struct b43_fw_header *hdr;
- u32 size;
- int err;
-
- if (!name) {
- /* Don't fetch anything. Free possibly cached firmware. */
- /* FIXME: We should probably keep it anyway, to save some headache
- * on suspend/resume with multiband devices. */
- b43_do_release_fw(fw);
- return 0;
- }
- if (fw->filename) {
- if ((fw->type == ctx->req_type) &&
- (strcmp(fw->filename, name) == 0))
- return 0; /* Already have this fw. */
- /* Free the cached firmware first. */
- /* FIXME: We should probably do this later after we successfully
- * got the new fw. This could reduce headache with multiband devices.
- * We could also redesign this to cache the firmware for all possible
- * bands all the time. */
- b43_do_release_fw(fw);
- }
-
- switch (ctx->req_type) {
- case B43_FWTYPE_PROPRIETARY:
- snprintf(ctx->fwname, sizeof(ctx->fwname),
- "b43%s/%s.fw",
- modparam_fwpostfix, name);
- break;
- case B43_FWTYPE_OPENSOURCE:
- snprintf(ctx->fwname, sizeof(ctx->fwname),
- "b43-open%s/%s.fw",
- modparam_fwpostfix, name);
- break;
- default:
- B43_WARN_ON(1);
- return -ENOSYS;
- }
- if (async) {
- /* do this part asynchronously */
- init_completion(&ctx->dev->fw_load_complete);
- err = request_firmware_nowait(THIS_MODULE, 1, ctx->fwname,
- ctx->dev->dev->dev, GFP_KERNEL,
- ctx, b43_fw_cb);
- if (err < 0) {
- pr_err("Unable to load firmware\n");
- return err;
- }
- wait_for_completion(&ctx->dev->fw_load_complete);
- if (ctx->blob)
- goto fw_ready;
- /* On some ARM systems, the async request will fail, but the next sync
- * request works. For this reason, we fall through here
- */
- }
- err = request_firmware(&ctx->blob, ctx->fwname,
- ctx->dev->dev->dev);
- if (err == -ENOENT) {
- snprintf(ctx->errors[ctx->req_type],
- sizeof(ctx->errors[ctx->req_type]),
- "Firmware file \"%s\" not found\n",
- ctx->fwname);
- return err;
- } else if (err) {
- snprintf(ctx->errors[ctx->req_type],
- sizeof(ctx->errors[ctx->req_type]),
- "Firmware file \"%s\" request failed (err=%d)\n",
- ctx->fwname, err);
- return err;
- }
-fw_ready:
- if (ctx->blob->size < sizeof(struct b43_fw_header))
- goto err_format;
- hdr = (struct b43_fw_header *)(ctx->blob->data);
- switch (hdr->type) {
- case B43_FW_TYPE_UCODE:
- case B43_FW_TYPE_PCM:
- size = be32_to_cpu(hdr->size);
- if (size != ctx->blob->size - sizeof(struct b43_fw_header))
- goto err_format;
- /* fallthrough */
- case B43_FW_TYPE_IV:
- if (hdr->ver != 1)
- goto err_format;
- break;
- default:
- goto err_format;
- }
-
- fw->data = ctx->blob;
- fw->filename = name;
- fw->type = ctx->req_type;
-
- return 0;
-
-err_format:
- snprintf(ctx->errors[ctx->req_type],
- sizeof(ctx->errors[ctx->req_type]),
- "Firmware file \"%s\" format error.\n", ctx->fwname);
- release_firmware(ctx->blob);
-
- return -EPROTO;
-}
-
-/* http://bcm-v4.sipsolutions.net/802.11/Init/Firmware */
-static int b43_try_request_fw(struct b43_request_fw_context *ctx)
-{
- struct b43_wldev *dev = ctx->dev;
- struct b43_firmware *fw = &ctx->dev->fw;
- struct b43_phy *phy = &dev->phy;
- const u8 rev = ctx->dev->dev->core_rev;
- const char *filename;
- int err;
-
- /* Get microcode */
- filename = NULL;
- switch (rev) {
- case 42:
- if (phy->type == B43_PHYTYPE_AC)
- filename = "ucode42";
- break;
- case 40:
- if (phy->type == B43_PHYTYPE_AC)
- filename = "ucode40";
- break;
- case 33:
- if (phy->type == B43_PHYTYPE_LCN40)
- filename = "ucode33_lcn40";
- break;
- case 30:
- if (phy->type == B43_PHYTYPE_N)
- filename = "ucode30_mimo";
- break;
- case 29:
- if (phy->type == B43_PHYTYPE_HT)
- filename = "ucode29_mimo";
- break;
- case 26:
- if (phy->type == B43_PHYTYPE_HT)
- filename = "ucode26_mimo";
- break;
- case 28:
- case 25:
- if (phy->type == B43_PHYTYPE_N)
- filename = "ucode25_mimo";
- else if (phy->type == B43_PHYTYPE_LCN)
- filename = "ucode25_lcn";
- break;
- case 24:
- if (phy->type == B43_PHYTYPE_LCN)
- filename = "ucode24_lcn";
- break;
- case 23:
- if (phy->type == B43_PHYTYPE_N)
- filename = "ucode16_mimo";
- break;
- case 16 ... 19:
- if (phy->type == B43_PHYTYPE_N)
- filename = "ucode16_mimo";
- else if (phy->type == B43_PHYTYPE_LP)
- filename = "ucode16_lp";
- break;
- case 15:
- filename = "ucode15";
- break;
- case 14:
- filename = "ucode14";
- break;
- case 13:
- filename = "ucode13";
- break;
- case 11 ... 12:
- filename = "ucode11";
- break;
- case 5 ... 10:
- filename = "ucode5";
- break;
- }
- if (!filename)
- goto err_no_ucode;
- err = b43_do_request_fw(ctx, filename, &fw->ucode, true);
- if (err)
- goto err_load;
-
- /* Get PCM code */
- if ((rev >= 5) && (rev <= 10))
- filename = "pcm5";
- else if (rev >= 11)
- filename = NULL;
- else
- goto err_no_pcm;
- fw->pcm_request_failed = false;
- err = b43_do_request_fw(ctx, filename, &fw->pcm, false);
- if (err == -ENOENT) {
- /* We did not find a PCM file? Not fatal, but
- * core rev <= 10 must do without hwcrypto then. */
- fw->pcm_request_failed = true;
- } else if (err)
- goto err_load;
-
- /* Get initvals */
- filename = NULL;
- switch (dev->phy.type) {
- case B43_PHYTYPE_G:
- if (rev == 13)
- filename = "b0g0initvals13";
- else if (rev >= 5 && rev <= 10)
- filename = "b0g0initvals5";
- break;
- case B43_PHYTYPE_N:
- if (rev == 30)
- filename = "n16initvals30";
- else if (rev == 28 || rev == 25)
- filename = "n0initvals25";
- else if (rev == 24)
- filename = "n0initvals24";
- else if (rev == 23)
- filename = "n0initvals16"; /* What about n0initvals22? */
- else if (rev >= 16 && rev <= 18)
- filename = "n0initvals16";
- else if (rev >= 11 && rev <= 12)
- filename = "n0initvals11";
- break;
- case B43_PHYTYPE_LP:
- if (rev >= 16 && rev <= 18)
- filename = "lp0initvals16";
- else if (rev == 15)
- filename = "lp0initvals15";
- else if (rev == 14)
- filename = "lp0initvals14";
- else if (rev == 13)
- filename = "lp0initvals13";
- break;
- case B43_PHYTYPE_HT:
- if (rev == 29)
- filename = "ht0initvals29";
- else if (rev == 26)
- filename = "ht0initvals26";
- break;
- case B43_PHYTYPE_LCN:
- if (rev == 24)
- filename = "lcn0initvals24";
- break;
- case B43_PHYTYPE_LCN40:
- if (rev == 33)
- filename = "lcn400initvals33";
- break;
- case B43_PHYTYPE_AC:
- if (rev == 42)
- filename = "ac1initvals42";
- else if (rev == 40)
- filename = "ac0initvals40";
- break;
- }
- if (!filename)
- goto err_no_initvals;
- err = b43_do_request_fw(ctx, filename, &fw->initvals, false);
- if (err)
- goto err_load;
-
- /* Get bandswitch initvals */
- filename = NULL;
- switch (dev->phy.type) {
- case B43_PHYTYPE_G:
- if (rev == 13)
- filename = "b0g0bsinitvals13";
- else if (rev >= 5 && rev <= 10)
- filename = "b0g0bsinitvals5";
- break;
- case B43_PHYTYPE_N:
- if (rev == 30)
- filename = "n16bsinitvals30";
- else if (rev == 28 || rev == 25)
- filename = "n0bsinitvals25";
- else if (rev == 24)
- filename = "n0bsinitvals24";
- else if (rev == 23)
- filename = "n0bsinitvals16"; /* What about n0bsinitvals22? */
- else if (rev >= 16 && rev <= 18)
- filename = "n0bsinitvals16";
- else if (rev >= 11 && rev <= 12)
- filename = "n0bsinitvals11";
- break;
- case B43_PHYTYPE_LP:
- if (rev >= 16 && rev <= 18)
- filename = "lp0bsinitvals16";
- else if (rev == 15)
- filename = "lp0bsinitvals15";
- else if (rev == 14)
- filename = "lp0bsinitvals14";
- else if (rev == 13)
- filename = "lp0bsinitvals13";
- break;
- case B43_PHYTYPE_HT:
- if (rev == 29)
- filename = "ht0bsinitvals29";
- else if (rev == 26)
- filename = "ht0bsinitvals26";
- break;
- case B43_PHYTYPE_LCN:
- if (rev == 24)
- filename = "lcn0bsinitvals24";
- break;
- case B43_PHYTYPE_LCN40:
- if (rev == 33)
- filename = "lcn400bsinitvals33";
- break;
- case B43_PHYTYPE_AC:
- if (rev == 42)
- filename = "ac1bsinitvals42";
- else if (rev == 40)
- filename = "ac0bsinitvals40";
- break;
- }
- if (!filename)
- goto err_no_initvals;
- err = b43_do_request_fw(ctx, filename, &fw->initvals_band, false);
- if (err)
- goto err_load;
-
- fw->opensource = (ctx->req_type == B43_FWTYPE_OPENSOURCE);
-
- return 0;
-
-err_no_ucode:
- err = ctx->fatal_failure = -EOPNOTSUPP;
- b43err(dev->wl, "The driver does not know which firmware (ucode) "
- "is required for your device (wl-core rev %u)\n", rev);
- goto error;
-
-err_no_pcm:
- err = ctx->fatal_failure = -EOPNOTSUPP;
- b43err(dev->wl, "The driver does not know which firmware (PCM) "
- "is required for your device (wl-core rev %u)\n", rev);
- goto error;
-
-err_no_initvals:
- err = ctx->fatal_failure = -EOPNOTSUPP;
- b43err(dev->wl, "The driver does not know which firmware (initvals) "
- "is required for your device (wl-core rev %u)\n", rev);
- goto error;
-
-err_load:
- /* We failed to load this firmware image. The error message
- * already is in ctx->errors. Return and let our caller decide
- * what to do. */
- goto error;
-
-error:
- b43_release_firmware(dev);
- return err;
-}
-
-static int b43_one_core_attach(struct b43_bus_dev *dev, struct b43_wl *wl);
-static void b43_one_core_detach(struct b43_bus_dev *dev);
-static int b43_rng_init(struct b43_wl *wl);
-
-static void b43_request_firmware(struct work_struct *work)
-{
- struct b43_wl *wl = container_of(work,
- struct b43_wl, firmware_load);
- struct b43_wldev *dev = wl->current_dev;
- struct b43_request_fw_context *ctx;
- unsigned int i;
- int err;
- const char *errmsg;
-
- ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
- if (!ctx)
- return;
- ctx->dev = dev;
-
- ctx->req_type = B43_FWTYPE_PROPRIETARY;
- err = b43_try_request_fw(ctx);
- if (!err)
- goto start_ieee80211; /* Successfully loaded it. */
- /* Was fw version known? */
- if (ctx->fatal_failure)
- goto out;
-
- /* proprietary fw not found, try open source */
- ctx->req_type = B43_FWTYPE_OPENSOURCE;
- err = b43_try_request_fw(ctx);
- if (!err)
- goto start_ieee80211; /* Successfully loaded it. */
- if(ctx->fatal_failure)
- goto out;
-
- /* Could not find a usable firmware. Print the errors. */
- for (i = 0; i < B43_NR_FWTYPES; i++) {
- errmsg = ctx->errors[i];
- if (strlen(errmsg))
- b43err(dev->wl, "%s", errmsg);
- }
- b43_print_fw_helptext(dev->wl, 1);
- goto out;
-
-start_ieee80211:
- wl->hw->queues = B43_QOS_QUEUE_NUM;
- if (!modparam_qos || dev->fw.opensource)
- wl->hw->queues = 1;
-
- err = ieee80211_register_hw(wl->hw);
- if (err)
- goto err_one_core_detach;
- wl->hw_registred = true;
- b43_leds_register(wl->current_dev);
-
- /* Register HW RNG driver */
- b43_rng_init(wl);
-
- goto out;
-
-err_one_core_detach:
- b43_one_core_detach(dev->dev);
-
-out:
- kfree(ctx);
-}
-
-static int b43_upload_microcode(struct b43_wldev *dev)
-{
- struct wiphy *wiphy = dev->wl->hw->wiphy;
- const size_t hdr_len = sizeof(struct b43_fw_header);
- const __be32 *data;
- unsigned int i, len;
- u16 fwrev, fwpatch, fwdate, fwtime;
- u32 tmp, macctl;
- int err = 0;
-
- /* Jump the microcode PSM to offset 0 */
- macctl = b43_read32(dev, B43_MMIO_MACCTL);
- B43_WARN_ON(macctl & B43_MACCTL_PSM_RUN);
- macctl |= B43_MACCTL_PSM_JMP0;
- b43_write32(dev, B43_MMIO_MACCTL, macctl);
- /* Zero out all microcode PSM registers and shared memory. */
- for (i = 0; i < 64; i++)
- b43_shm_write16(dev, B43_SHM_SCRATCH, i, 0);
- for (i = 0; i < 4096; i += 2)
- b43_shm_write16(dev, B43_SHM_SHARED, i, 0);
-
- /* Upload Microcode. */
- data = (__be32 *) (dev->fw.ucode.data->data + hdr_len);
- len = (dev->fw.ucode.data->size - hdr_len) / sizeof(__be32);
- b43_shm_control_word(dev, B43_SHM_UCODE | B43_SHM_AUTOINC_W, 0x0000);
- for (i = 0; i < len; i++) {
- b43_write32(dev, B43_MMIO_SHM_DATA, be32_to_cpu(data[i]));
- udelay(10);
- }
-
- if (dev->fw.pcm.data) {
- /* Upload PCM data. */
- data = (__be32 *) (dev->fw.pcm.data->data + hdr_len);
- len = (dev->fw.pcm.data->size - hdr_len) / sizeof(__be32);
- b43_shm_control_word(dev, B43_SHM_HW, 0x01EA);
- b43_write32(dev, B43_MMIO_SHM_DATA, 0x00004000);
- /* No need for autoinc bit in SHM_HW */
- b43_shm_control_word(dev, B43_SHM_HW, 0x01EB);
- for (i = 0; i < len; i++) {
- b43_write32(dev, B43_MMIO_SHM_DATA, be32_to_cpu(data[i]));
- udelay(10);
- }
- }
-
- b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, B43_IRQ_ALL);
-
- /* Start the microcode PSM */
- b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_PSM_JMP0,
- B43_MACCTL_PSM_RUN);
-
- /* Wait for the microcode to load and respond */
- i = 0;
- while (1) {
- tmp = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON);
- if (tmp == B43_IRQ_MAC_SUSPENDED)
- break;
- i++;
- if (i >= 20) {
- b43err(dev->wl, "Microcode not responding\n");
- b43_print_fw_helptext(dev->wl, 1);
- err = -ENODEV;
- goto error;
- }
- msleep(50);
- }
- b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); /* dummy read */
-
- /* Get and check the revisions. */
- fwrev = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_UCODEREV);
- fwpatch = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_UCODEPATCH);
- fwdate = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_UCODEDATE);
- fwtime = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_UCODETIME);
-
- if (fwrev <= 0x128) {
- b43err(dev->wl, "YOUR FIRMWARE IS TOO OLD. Firmware from "
- "binary drivers older than version 4.x is unsupported. "
- "You must upgrade your firmware files.\n");
- b43_print_fw_helptext(dev->wl, 1);
- err = -EOPNOTSUPP;
- goto error;
- }
- dev->fw.rev = fwrev;
- dev->fw.patch = fwpatch;
- if (dev->fw.rev >= 598)
- dev->fw.hdr_format = B43_FW_HDR_598;
- else if (dev->fw.rev >= 410)
- dev->fw.hdr_format = B43_FW_HDR_410;
- else
- dev->fw.hdr_format = B43_FW_HDR_351;
- WARN_ON(dev->fw.opensource != (fwdate == 0xFFFF));
-
- dev->qos_enabled = dev->wl->hw->queues > 1;
- /* Default to firmware/hardware crypto acceleration. */
- dev->hwcrypto_enabled = true;
-
- if (dev->fw.opensource) {
- u16 fwcapa;
-
- /* Patchlevel info is encoded in the "time" field. */
- dev->fw.patch = fwtime;
- b43info(dev->wl, "Loading OpenSource firmware version %u.%u\n",
- dev->fw.rev, dev->fw.patch);
-
- fwcapa = b43_fwcapa_read(dev);
- if (!(fwcapa & B43_FWCAPA_HWCRYPTO) || dev->fw.pcm_request_failed) {
- b43info(dev->wl, "Hardware crypto acceleration not supported by firmware\n");
- /* Disable hardware crypto and fall back to software crypto. */
- dev->hwcrypto_enabled = false;
- }
- /* adding QoS support should use an offline discovery mechanism */
- WARN(fwcapa & B43_FWCAPA_QOS, "QoS in OpenFW not supported\n");
- } else {
- b43info(dev->wl, "Loading firmware version %u.%u "
- "(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n",
- fwrev, fwpatch,
- (fwdate >> 12) & 0xF, (fwdate >> 8) & 0xF, fwdate & 0xFF,
- (fwtime >> 11) & 0x1F, (fwtime >> 5) & 0x3F, fwtime & 0x1F);
- if (dev->fw.pcm_request_failed) {
- b43warn(dev->wl, "No \"pcm5.fw\" firmware file found. "
- "Hardware accelerated cryptography is disabled.\n");
- b43_print_fw_helptext(dev->wl, 0);
- }
- }
-
- snprintf(wiphy->fw_version, sizeof(wiphy->fw_version), "%u.%u",
- dev->fw.rev, dev->fw.patch);
- wiphy->hw_version = dev->dev->core_id;
-
- if (dev->fw.hdr_format == B43_FW_HDR_351) {
- /* We're over the deadline, but we keep support for old fw
- * until it turns out to be in major conflict with something new. */
- b43warn(dev->wl, "You are using an old firmware image. "
- "Support for old firmware will be removed soon "
- "(official deadline was July 2008).\n");
- b43_print_fw_helptext(dev->wl, 0);
- }
-
- return 0;
-
-error:
- /* Stop the microcode PSM. */
- b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_PSM_RUN,
- B43_MACCTL_PSM_JMP0);
-
- return err;
-}
-
-static int b43_write_initvals(struct b43_wldev *dev,
- const struct b43_iv *ivals,
- size_t count,
- size_t array_size)
-{
- const struct b43_iv *iv;
- u16 offset;
- size_t i;
- bool bit32;
-
- BUILD_BUG_ON(sizeof(struct b43_iv) != 6);
- iv = ivals;
- for (i = 0; i < count; i++) {
- if (array_size < sizeof(iv->offset_size))
- goto err_format;
- array_size -= sizeof(iv->offset_size);
- offset = be16_to_cpu(iv->offset_size);
- bit32 = !!(offset & B43_IV_32BIT);
- offset &= B43_IV_OFFSET_MASK;
- if (offset >= 0x1000)
- goto err_format;
- if (bit32) {
- u32 value;
-
- if (array_size < sizeof(iv->data.d32))
- goto err_format;
- array_size -= sizeof(iv->data.d32);
-
- value = get_unaligned_be32(&iv->data.d32);
- b43_write32(dev, offset, value);
-
- iv = (const struct b43_iv *)((const uint8_t *)iv +
- sizeof(__be16) +
- sizeof(__be32));
- } else {
- u16 value;
-
- if (array_size < sizeof(iv->data.d16))
- goto err_format;
- array_size -= sizeof(iv->data.d16);
-
- value = be16_to_cpu(iv->data.d16);
- b43_write16(dev, offset, value);
-
- iv = (const struct b43_iv *)((const uint8_t *)iv +
- sizeof(__be16) +
- sizeof(__be16));
- }
- }
- if (array_size)
- goto err_format;
-
- return 0;
-
-err_format:
- b43err(dev->wl, "Initial Values Firmware file-format error.\n");
- b43_print_fw_helptext(dev->wl, 1);
-
- return -EPROTO;
-}
-
-static int b43_upload_initvals(struct b43_wldev *dev)
-{
- const size_t hdr_len = sizeof(struct b43_fw_header);
- const struct b43_fw_header *hdr;
- struct b43_firmware *fw = &dev->fw;
- const struct b43_iv *ivals;
- size_t count;
-
- hdr = (const struct b43_fw_header *)(fw->initvals.data->data);
- ivals = (const struct b43_iv *)(fw->initvals.data->data + hdr_len);
- count = be32_to_cpu(hdr->size);
- return b43_write_initvals(dev, ivals, count,
- fw->initvals.data->size - hdr_len);
-}
-
-static int b43_upload_initvals_band(struct b43_wldev *dev)
-{
- const size_t hdr_len = sizeof(struct b43_fw_header);
- const struct b43_fw_header *hdr;
- struct b43_firmware *fw = &dev->fw;
- const struct b43_iv *ivals;
- size_t count;
-
- if (!fw->initvals_band.data)
- return 0;
-
- hdr = (const struct b43_fw_header *)(fw->initvals_band.data->data);
- ivals = (const struct b43_iv *)(fw->initvals_band.data->data + hdr_len);
- count = be32_to_cpu(hdr->size);
- return b43_write_initvals(dev, ivals, count,
- fw->initvals_band.data->size - hdr_len);
-}
-
-/* Initialize the GPIOs
- * http://bcm-specs.sipsolutions.net/GPIO
- */
-
-#ifdef CONFIG_B43_SSB
-static struct ssb_device *b43_ssb_gpio_dev(struct b43_wldev *dev)
-{
- struct ssb_bus *bus = dev->dev->sdev->bus;
-
-#ifdef CONFIG_SSB_DRIVER_PCICORE
- return (bus->chipco.dev ? bus->chipco.dev : bus->pcicore.dev);
-#else
- return bus->chipco.dev;
-#endif
-}
-#endif
-
-static int b43_gpio_init(struct b43_wldev *dev)
-{
-#ifdef CONFIG_B43_SSB
- struct ssb_device *gpiodev;
-#endif
- u32 mask, set;
-
- b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_GPOUTSMSK, 0);
- b43_maskset16(dev, B43_MMIO_GPIO_MASK, ~0, 0xF);
-
- mask = 0x0000001F;
- set = 0x0000000F;
- if (dev->dev->chip_id == 0x4301) {
- mask |= 0x0060;
- set |= 0x0060;
- } else if (dev->dev->chip_id == 0x5354) {
- /* Don't allow overtaking buttons GPIOs */
- set &= 0x2; /* 0x2 is LED GPIO on BCM5354 */
- }
-
- if (0 /* FIXME: conditional unknown */ ) {
- b43_write16(dev, B43_MMIO_GPIO_MASK,
- b43_read16(dev, B43_MMIO_GPIO_MASK)
- | 0x0100);
- /* BT Coexistance Input */
- mask |= 0x0080;
- set |= 0x0080;
- /* BT Coexistance Out */
- mask |= 0x0100;
- set |= 0x0100;
- }
- if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_PACTRL) {
- /* PA is controlled by gpio 9, let ucode handle it */
- b43_write16(dev, B43_MMIO_GPIO_MASK,
- b43_read16(dev, B43_MMIO_GPIO_MASK)
- | 0x0200);
- mask |= 0x0200;
- set |= 0x0200;
- }
-
- switch (dev->dev->bus_type) {
-#ifdef CONFIG_B43_BCMA
- case B43_BUS_BCMA:
- bcma_chipco_gpio_control(&dev->dev->bdev->bus->drv_cc, mask, set);
- break;
-#endif
-#ifdef CONFIG_B43_SSB
- case B43_BUS_SSB:
- gpiodev = b43_ssb_gpio_dev(dev);
- if (gpiodev)
- ssb_write32(gpiodev, B43_GPIO_CONTROL,
- (ssb_read32(gpiodev, B43_GPIO_CONTROL)
- & ~mask) | set);
- break;
-#endif
- }
-
- return 0;
-}
-
-/* Turn off all GPIO stuff. Call this on module unload, for example. */
-static void b43_gpio_cleanup(struct b43_wldev *dev)
-{
-#ifdef CONFIG_B43_SSB
- struct ssb_device *gpiodev;
-#endif
-
- switch (dev->dev->bus_type) {
-#ifdef CONFIG_B43_BCMA
- case B43_BUS_BCMA:
- bcma_chipco_gpio_control(&dev->dev->bdev->bus->drv_cc, ~0, 0);
- break;
-#endif
-#ifdef CONFIG_B43_SSB
- case B43_BUS_SSB:
- gpiodev = b43_ssb_gpio_dev(dev);
- if (gpiodev)
- ssb_write32(gpiodev, B43_GPIO_CONTROL, 0);
- break;
-#endif
- }
-}
-
-/* http://bcm-specs.sipsolutions.net/EnableMac */
-void b43_mac_enable(struct b43_wldev *dev)
-{
- if (b43_debug(dev, B43_DBG_FIRMWARE)) {
- u16 fwstate;
-
- fwstate = b43_shm_read16(dev, B43_SHM_SHARED,
- B43_SHM_SH_UCODESTAT);
- if ((fwstate != B43_SHM_SH_UCODESTAT_SUSP) &&
- (fwstate != B43_SHM_SH_UCODESTAT_SLEEP)) {
- b43err(dev->wl, "b43_mac_enable(): The firmware "
- "should be suspended, but current state is %u\n",
- fwstate);
- }
- }
-
- dev->mac_suspended--;
- B43_WARN_ON(dev->mac_suspended < 0);
- if (dev->mac_suspended == 0) {
- b43_maskset32(dev, B43_MMIO_MACCTL, ~0, B43_MACCTL_ENABLED);
- b43_write32(dev, B43_MMIO_GEN_IRQ_REASON,
- B43_IRQ_MAC_SUSPENDED);
- /* Commit writes */
- b43_read32(dev, B43_MMIO_MACCTL);
- b43_read32(dev, B43_MMIO_GEN_IRQ_REASON);
- b43_power_saving_ctl_bits(dev, 0);
- }
-}
-
-/* http://bcm-specs.sipsolutions.net/SuspendMAC */
-void b43_mac_suspend(struct b43_wldev *dev)
-{
- int i;
- u32 tmp;
-
- might_sleep();
- B43_WARN_ON(dev->mac_suspended < 0);
-
- if (dev->mac_suspended == 0) {
- b43_power_saving_ctl_bits(dev, B43_PS_AWAKE);
- b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_ENABLED, 0);
- /* force pci to flush the write */
- b43_read32(dev, B43_MMIO_MACCTL);
- for (i = 35; i; i--) {
- tmp = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON);
- if (tmp & B43_IRQ_MAC_SUSPENDED)
- goto out;
- udelay(10);
- }
- /* Hm, it seems this will take some time. Use msleep(). */
- for (i = 40; i; i--) {
- tmp = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON);
- if (tmp & B43_IRQ_MAC_SUSPENDED)
- goto out;
- msleep(1);
- }
- b43err(dev->wl, "MAC suspend failed\n");
- }
-out:
- dev->mac_suspended++;
-}
-
-/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/MacPhyClkSet */
-void b43_mac_phy_clock_set(struct b43_wldev *dev, bool on)
-{
- u32 tmp;
-
- switch (dev->dev->bus_type) {
-#ifdef CONFIG_B43_BCMA
- case B43_BUS_BCMA:
- tmp = bcma_aread32(dev->dev->bdev, BCMA_IOCTL);
- if (on)
- tmp |= B43_BCMA_IOCTL_MACPHYCLKEN;
- else
- tmp &= ~B43_BCMA_IOCTL_MACPHYCLKEN;
- bcma_awrite32(dev->dev->bdev, BCMA_IOCTL, tmp);
- break;
-#endif
-#ifdef CONFIG_B43_SSB
- case B43_BUS_SSB:
- tmp = ssb_read32(dev->dev->sdev, SSB_TMSLOW);
- if (on)
- tmp |= B43_TMSLOW_MACPHYCLKEN;
- else
- tmp &= ~B43_TMSLOW_MACPHYCLKEN;
- ssb_write32(dev->dev->sdev, SSB_TMSLOW, tmp);
- break;
-#endif
- }
-}
-
-/* brcms_b_switch_macfreq */
-void b43_mac_switch_freq(struct b43_wldev *dev, u8 spurmode)
-{
- u16 chip_id = dev->dev->chip_id;
-
- if (chip_id == BCMA_CHIP_ID_BCM4331) {
- switch (spurmode) {
- case 2: /* 168 Mhz: 2^26/168 = 0x61862 */
- b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW, 0x1862);
- b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0x6);
- break;
- case 1: /* 164 Mhz: 2^26/164 = 0x63e70 */
- b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW, 0x3e70);
- b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0x6);
- break;
- default: /* 160 Mhz: 2^26/160 = 0x66666 */
- b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW, 0x6666);
- b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0x6);
- break;
- }
- } else if (chip_id == BCMA_CHIP_ID_BCM43131 ||
- chip_id == BCMA_CHIP_ID_BCM43217 ||
- chip_id == BCMA_CHIP_ID_BCM43222 ||
- chip_id == BCMA_CHIP_ID_BCM43224 ||
- chip_id == BCMA_CHIP_ID_BCM43225 ||
- chip_id == BCMA_CHIP_ID_BCM43227 ||
- chip_id == BCMA_CHIP_ID_BCM43228) {
- switch (spurmode) {
- case 2: /* 126 Mhz */
- b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW, 0x2082);
- b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0x8);
- break;
- case 1: /* 123 Mhz */
- b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW, 0x5341);
- b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0x8);
- break;
- default: /* 120 Mhz */
- b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW, 0x8889);
- b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0x8);
- break;
- }
- } else if (dev->phy.type == B43_PHYTYPE_LCN) {
- switch (spurmode) {
- case 1: /* 82 Mhz */
- b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW, 0x7CE0);
- b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0xC);
- break;
- default: /* 80 Mhz */
- b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW, 0xCCCD);
- b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0xC);
- break;
- }
- }
-}
-
-static void b43_adjust_opmode(struct b43_wldev *dev)
-{
- struct b43_wl *wl = dev->wl;
- u32 ctl;
- u16 cfp_pretbtt;
-
- ctl = b43_read32(dev, B43_MMIO_MACCTL);
- /* Reset status to STA infrastructure mode. */
- ctl &= ~B43_MACCTL_AP;
- ctl &= ~B43_MACCTL_KEEP_CTL;
- ctl &= ~B43_MACCTL_KEEP_BADPLCP;
- ctl &= ~B43_MACCTL_KEEP_BAD;
- ctl &= ~B43_MACCTL_PROMISC;
- ctl &= ~B43_MACCTL_BEACPROMISC;
- ctl |= B43_MACCTL_INFRA;
-
- if (b43_is_mode(wl, NL80211_IFTYPE_AP) ||
- b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT))
- ctl |= B43_MACCTL_AP;
- else if (b43_is_mode(wl, NL80211_IFTYPE_ADHOC))
- ctl &= ~B43_MACCTL_INFRA;
-
- if (wl->filter_flags & FIF_CONTROL)
- ctl |= B43_MACCTL_KEEP_CTL;
- if (wl->filter_flags & FIF_FCSFAIL)
- ctl |= B43_MACCTL_KEEP_BAD;
- if (wl->filter_flags & FIF_PLCPFAIL)
- ctl |= B43_MACCTL_KEEP_BADPLCP;
- if (wl->filter_flags & FIF_BCN_PRBRESP_PROMISC)
- ctl |= B43_MACCTL_BEACPROMISC;
-
- /* 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->core_rev <= 4)
- ctl |= B43_MACCTL_PROMISC;
-
- b43_write32(dev, B43_MMIO_MACCTL, ctl);
-
- cfp_pretbtt = 2;
- if ((ctl & B43_MACCTL_INFRA) && !(ctl & B43_MACCTL_AP)) {
- if (dev->dev->chip_id == 0x4306 &&
- dev->dev->chip_rev == 3)
- cfp_pretbtt = 100;
- else
- cfp_pretbtt = 50;
- }
- b43_write16(dev, 0x612, cfp_pretbtt);
-
- /* FIXME: We don't currently implement the PMQ mechanism,
- * so always disable it. If we want to implement PMQ,
- * we need to enable it here (clear DISCPMQ) in AP mode.
- */
- if (0 /* ctl & B43_MACCTL_AP */)
- b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_DISCPMQ, 0);
- else
- b43_maskset32(dev, B43_MMIO_MACCTL, ~0, B43_MACCTL_DISCPMQ);
-}
-
-static void b43_rate_memory_write(struct b43_wldev *dev, u16 rate, int is_ofdm)
-{
- u16 offset;
-
- if (is_ofdm) {
- offset = 0x480;
- offset += (b43_plcp_get_ratecode_ofdm(rate) & 0x000F) * 2;
- } else {
- offset = 0x4C0;
- offset += (b43_plcp_get_ratecode_cck(rate) & 0x000F) * 2;
- }
- b43_shm_write16(dev, B43_SHM_SHARED, offset + 0x20,
- b43_shm_read16(dev, B43_SHM_SHARED, offset));
-}
-
-static void b43_rate_memory_init(struct b43_wldev *dev)
-{
- switch (dev->phy.type) {
- case B43_PHYTYPE_A:
- case B43_PHYTYPE_G:
- case B43_PHYTYPE_N:
- case B43_PHYTYPE_LP:
- case B43_PHYTYPE_HT:
- case B43_PHYTYPE_LCN:
- b43_rate_memory_write(dev, B43_OFDM_RATE_6MB, 1);
- b43_rate_memory_write(dev, B43_OFDM_RATE_9MB, 1);
- b43_rate_memory_write(dev, B43_OFDM_RATE_12MB, 1);
- b43_rate_memory_write(dev, B43_OFDM_RATE_18MB, 1);
- b43_rate_memory_write(dev, B43_OFDM_RATE_24MB, 1);
- b43_rate_memory_write(dev, B43_OFDM_RATE_36MB, 1);
- b43_rate_memory_write(dev, B43_OFDM_RATE_48MB, 1);
- b43_rate_memory_write(dev, B43_OFDM_RATE_54MB, 1);
- if (dev->phy.type == B43_PHYTYPE_A)
- break;
- /* fallthrough */
- case B43_PHYTYPE_B:
- b43_rate_memory_write(dev, B43_CCK_RATE_1MB, 0);
- b43_rate_memory_write(dev, B43_CCK_RATE_2MB, 0);
- b43_rate_memory_write(dev, B43_CCK_RATE_5MB, 0);
- b43_rate_memory_write(dev, B43_CCK_RATE_11MB, 0);
- break;
- default:
- B43_WARN_ON(1);
- }
-}
-
-/* Set the default values for the PHY TX Control Words. */
-static void b43_set_phytxctl_defaults(struct b43_wldev *dev)
-{
- u16 ctl = 0;
-
- ctl |= B43_TXH_PHY_ENC_CCK;
- ctl |= B43_TXH_PHY_ANT01AUTO;
- ctl |= B43_TXH_PHY_TXPWR;
-
- b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL, ctl);
- b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_ACKCTSPHYCTL, ctl);
- b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRPHYCTL, ctl);
-}
-
-/* Set the TX-Antenna for management frames sent by firmware. */
-static void b43_mgmtframe_txantenna(struct b43_wldev *dev, int antenna)
-{
- u16 ant;
- u16 tmp;
-
- ant = b43_antenna_to_phyctl(antenna);
-
- /* For ACK/CTS */
- tmp = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_ACKCTSPHYCTL);
- tmp = (tmp & ~B43_TXH_PHY_ANT) | ant;
- b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_ACKCTSPHYCTL, tmp);
- /* For Probe Resposes */
- tmp = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_PRPHYCTL);
- tmp = (tmp & ~B43_TXH_PHY_ANT) | ant;
- b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRPHYCTL, tmp);
-}
-
-/* This is the opposite of b43_chip_init() */
-static void b43_chip_exit(struct b43_wldev *dev)
-{
- b43_phy_exit(dev);
- b43_gpio_cleanup(dev);
- /* firmware is released later */
-}
-
-/* Initialize the chip
- * http://bcm-specs.sipsolutions.net/ChipInit
- */
-static int b43_chip_init(struct b43_wldev *dev)
-{
- struct b43_phy *phy = &dev->phy;
- int err;
- u32 macctl;
- u16 value16;
-
- /* Initialize the MAC control */
- macctl = B43_MACCTL_IHR_ENABLED | B43_MACCTL_SHM_ENABLED;
- if (dev->phy.gmode)
- macctl |= B43_MACCTL_GMODE;
- macctl |= B43_MACCTL_INFRA;
- b43_write32(dev, B43_MMIO_MACCTL, macctl);
-
- err = b43_upload_microcode(dev);
- if (err)
- goto out; /* firmware is released later */
-
- err = b43_gpio_init(dev);
- if (err)
- goto out; /* firmware is released later */
-
- err = b43_upload_initvals(dev);
- if (err)
- goto err_gpio_clean;
-
- err = b43_upload_initvals_band(dev);
- if (err)
- goto err_gpio_clean;
-
- /* Turn the Analog on and initialize the PHY. */
- phy->ops->switch_analog(dev, 1);
- err = b43_phy_init(dev);
- if (err)
- goto err_gpio_clean;
-
- /* Disable Interference Mitigation. */
- if (phy->ops->interf_mitigation)
- phy->ops->interf_mitigation(dev, B43_INTERFMODE_NONE);
-
- /* Select the antennae */
- if (phy->ops->set_rx_antenna)
- phy->ops->set_rx_antenna(dev, B43_ANTENNA_DEFAULT);
- b43_mgmtframe_txantenna(dev, B43_ANTENNA_DEFAULT);
-
- if (phy->type == B43_PHYTYPE_B) {
- value16 = b43_read16(dev, 0x005E);
- value16 |= 0x0004;
- b43_write16(dev, 0x005E, value16);
- }
- b43_write32(dev, 0x0100, 0x01000000);
- if (dev->dev->core_rev < 5)
- b43_write32(dev, 0x010C, 0x01000000);
-
- b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_INFRA, 0);
- b43_maskset32(dev, B43_MMIO_MACCTL, ~0, B43_MACCTL_INFRA);
-
- /* Probe Response Timeout value */
- /* FIXME: Default to 0, has to be set by ioctl probably... :-/ */
- b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRMAXTIME, 0);
-
- /* Initially set the wireless operation mode. */
- b43_adjust_opmode(dev);
-
- if (dev->dev->core_rev < 3) {
- b43_write16(dev, 0x060E, 0x0000);
- b43_write16(dev, 0x0610, 0x8000);
- b43_write16(dev, 0x0604, 0x0000);
- b43_write16(dev, 0x0606, 0x0200);
- } else {
- b43_write32(dev, 0x0188, 0x80000000);
- b43_write32(dev, 0x018C, 0x02000000);
- }
- b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, 0x00004000);
- b43_write32(dev, B43_MMIO_DMA0_IRQ_MASK, 0x0001FC00);
- b43_write32(dev, B43_MMIO_DMA1_IRQ_MASK, 0x0000DC00);
- b43_write32(dev, B43_MMIO_DMA2_IRQ_MASK, 0x0000DC00);
- b43_write32(dev, B43_MMIO_DMA3_IRQ_MASK, 0x0001DC00);
- b43_write32(dev, B43_MMIO_DMA4_IRQ_MASK, 0x0000DC00);
- b43_write32(dev, B43_MMIO_DMA5_IRQ_MASK, 0x0000DC00);
-
- b43_mac_phy_clock_set(dev, true);
-
- switch (dev->dev->bus_type) {
-#ifdef CONFIG_B43_BCMA
- case B43_BUS_BCMA:
- /* FIXME: 0xE74 is quite common, but should be read from CC */
- b43_write16(dev, B43_MMIO_POWERUP_DELAY, 0xE74);
- break;
-#endif
-#ifdef CONFIG_B43_SSB
- case B43_BUS_SSB:
- b43_write16(dev, B43_MMIO_POWERUP_DELAY,
- dev->dev->sdev->bus->chipco.fast_pwrup_delay);
- break;
-#endif
- }
-
- err = 0;
- b43dbg(dev->wl, "Chip initialized\n");
-out:
- return err;
-
-err_gpio_clean:
- b43_gpio_cleanup(dev);
- return err;
-}
-
-static void b43_periodic_every60sec(struct b43_wldev *dev)
-{
- const struct b43_phy_operations *ops = dev->phy.ops;
-
- if (ops->pwork_60sec)
- ops->pwork_60sec(dev);
-
- /* Force check the TX power emission now. */
- b43_phy_txpower_check(dev, B43_TXPWR_IGNORE_TIME);
-}
-
-static void b43_periodic_every30sec(struct b43_wldev *dev)
-{
- /* Update device statistics. */
- b43_calculate_link_quality(dev);
-}
-
-static void b43_periodic_every15sec(struct b43_wldev *dev)
-{
- struct b43_phy *phy = &dev->phy;
- u16 wdr;
-
- if (dev->fw.opensource) {
- /* Check if the firmware is still alive.
- * It will reset the watchdog counter to 0 in its idle loop. */
- wdr = b43_shm_read16(dev, B43_SHM_SCRATCH, B43_WATCHDOG_REG);
- if (unlikely(wdr)) {
- b43err(dev->wl, "Firmware watchdog: The firmware died!\n");
- b43_controller_restart(dev, "Firmware watchdog");
- return;
- } else {
- b43_shm_write16(dev, B43_SHM_SCRATCH,
- B43_WATCHDOG_REG, 1);
- }
- }
-
- if (phy->ops->pwork_15sec)
- phy->ops->pwork_15sec(dev);
-
- atomic_set(&phy->txerr_cnt, B43_PHY_TX_BADNESS_LIMIT);
- wmb();
-
-#if B43_DEBUG
- if (b43_debug(dev, B43_DBG_VERBOSESTATS)) {
- unsigned int i;
-
- b43dbg(dev->wl, "Stats: %7u IRQs/sec, %7u TX/sec, %7u RX/sec\n",
- dev->irq_count / 15,
- dev->tx_count / 15,
- dev->rx_count / 15);
- dev->irq_count = 0;
- dev->tx_count = 0;
- dev->rx_count = 0;
- for (i = 0; i < ARRAY_SIZE(dev->irq_bit_count); i++) {
- if (dev->irq_bit_count[i]) {
- b43dbg(dev->wl, "Stats: %7u IRQ-%02u/sec (0x%08X)\n",
- dev->irq_bit_count[i] / 15, i, (1 << i));
- dev->irq_bit_count[i] = 0;
- }
- }
- }
-#endif
-}
-
-static void do_periodic_work(struct b43_wldev *dev)
-{
- unsigned int state;
-
- state = dev->periodic_state;
- if (state % 4 == 0)
- b43_periodic_every60sec(dev);
- if (state % 2 == 0)
- b43_periodic_every30sec(dev);
- b43_periodic_every15sec(dev);
-}
-
-/* Periodic work locking policy:
- * The whole periodic work handler is protected by
- * wl->mutex. If another lock is needed somewhere in the
- * pwork callchain, it's acquired in-place, where it's needed.
- */
-static void b43_periodic_work_handler(struct work_struct *work)
-{
- struct b43_wldev *dev = container_of(work, struct b43_wldev,
- periodic_work.work);
- struct b43_wl *wl = dev->wl;
- unsigned long delay;
-
- mutex_lock(&wl->mutex);
-
- if (unlikely(b43_status(dev) != B43_STAT_STARTED))
- goto out;
- if (b43_debug(dev, B43_DBG_PWORK_STOP))
- goto out_requeue;
-
- do_periodic_work(dev);
-
- dev->periodic_state++;
-out_requeue:
- if (b43_debug(dev, B43_DBG_PWORK_FAST))
- delay = msecs_to_jiffies(50);
- else
- delay = round_jiffies_relative(HZ * 15);
- ieee80211_queue_delayed_work(wl->hw, &dev->periodic_work, delay);
-out:
- mutex_unlock(&wl->mutex);
-}
-
-static void b43_periodic_tasks_setup(struct b43_wldev *dev)
-{
- struct delayed_work *work = &dev->periodic_work;
-
- dev->periodic_state = 0;
- INIT_DELAYED_WORK(work, b43_periodic_work_handler);
- ieee80211_queue_delayed_work(dev->wl->hw, work, 0);
-}
-
-/* Check if communication with the device works correctly. */
-static int b43_validate_chipaccess(struct b43_wldev *dev)
-{
- u32 v, backup0, backup4;
-
- backup0 = b43_shm_read32(dev, B43_SHM_SHARED, 0);
- backup4 = b43_shm_read32(dev, B43_SHM_SHARED, 4);
-
- /* Check for read/write and endianness problems. */
- b43_shm_write32(dev, B43_SHM_SHARED, 0, 0x55AAAA55);
- if (b43_shm_read32(dev, B43_SHM_SHARED, 0) != 0x55AAAA55)
- goto error;
- b43_shm_write32(dev, B43_SHM_SHARED, 0, 0xAA5555AA);
- if (b43_shm_read32(dev, B43_SHM_SHARED, 0) != 0xAA5555AA)
- goto error;
-
- /* Check if unaligned 32bit SHM_SHARED access works properly.
- * However, don't bail out on failure, because it's noncritical. */
- b43_shm_write16(dev, B43_SHM_SHARED, 0, 0x1122);
- b43_shm_write16(dev, B43_SHM_SHARED, 2, 0x3344);
- b43_shm_write16(dev, B43_SHM_SHARED, 4, 0x5566);
- b43_shm_write16(dev, B43_SHM_SHARED, 6, 0x7788);
- if (b43_shm_read32(dev, B43_SHM_SHARED, 2) != 0x55663344)
- b43warn(dev->wl, "Unaligned 32bit SHM read access is broken\n");
- b43_shm_write32(dev, B43_SHM_SHARED, 2, 0xAABBCCDD);
- if (b43_shm_read16(dev, B43_SHM_SHARED, 0) != 0x1122 ||
- b43_shm_read16(dev, B43_SHM_SHARED, 2) != 0xCCDD ||
- b43_shm_read16(dev, B43_SHM_SHARED, 4) != 0xAABB ||
- b43_shm_read16(dev, B43_SHM_SHARED, 6) != 0x7788)
- b43warn(dev->wl, "Unaligned 32bit SHM write access is broken\n");
-
- b43_shm_write32(dev, B43_SHM_SHARED, 0, backup0);
- b43_shm_write32(dev, B43_SHM_SHARED, 4, backup4);
-
- if ((dev->dev->core_rev >= 3) && (dev->dev->core_rev <= 10)) {
- /* The 32bit register shadows the two 16bit registers
- * with update sideeffects. Validate this. */
- b43_write16(dev, B43_MMIO_TSF_CFP_START, 0xAAAA);
- b43_write32(dev, B43_MMIO_TSF_CFP_START, 0xCCCCBBBB);
- if (b43_read16(dev, B43_MMIO_TSF_CFP_START_LOW) != 0xBBBB)
- goto error;
- if (b43_read16(dev, B43_MMIO_TSF_CFP_START_HIGH) != 0xCCCC)
- goto error;
- }
- b43_write32(dev, B43_MMIO_TSF_CFP_START, 0);
-
- v = b43_read32(dev, B43_MMIO_MACCTL);
- v |= B43_MACCTL_GMODE;
- if (v != (B43_MACCTL_GMODE | B43_MACCTL_IHR_ENABLED))
- goto error;
-
- return 0;
-error:
- b43err(dev->wl, "Failed to validate the chipaccess\n");
- return -ENODEV;
-}
-
-static void b43_security_init(struct b43_wldev *dev)
-{
- dev->ktp = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_KTP);
- /* KTP is a word address, but we address SHM bytewise.
- * So multiply by two.
- */
- dev->ktp *= 2;
- /* Number of RCMTA address slots */
- b43_write16(dev, B43_MMIO_RCMTA_COUNT, B43_NR_PAIRWISE_KEYS);
- /* Clear the key memory. */
- b43_clear_keys(dev);
-}
-
-#ifdef CONFIG_B43_HWRNG
-static int b43_rng_read(struct hwrng *rng, u32 *data)
-{
- struct b43_wl *wl = (struct b43_wl *)rng->priv;
- struct b43_wldev *dev;
- int count = -ENODEV;
-
- mutex_lock(&wl->mutex);
- dev = wl->current_dev;
- if (likely(dev && b43_status(dev) >= B43_STAT_INITIALIZED)) {
- *data = b43_read16(dev, B43_MMIO_RNG);
- count = sizeof(u16);
- }
- mutex_unlock(&wl->mutex);
-
- return count;
-}
-#endif /* CONFIG_B43_HWRNG */
-
-static void b43_rng_exit(struct b43_wl *wl)
-{
-#ifdef CONFIG_B43_HWRNG
- if (wl->rng_initialized)
- hwrng_unregister(&wl->rng);
-#endif /* CONFIG_B43_HWRNG */
-}
-
-static int b43_rng_init(struct b43_wl *wl)
-{
- int err = 0;
-
-#ifdef CONFIG_B43_HWRNG
- 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 = b43_rng_read;
- wl->rng.priv = (unsigned long)wl;
- wl->rng_initialized = true;
- err = hwrng_register(&wl->rng);
- if (err) {
- wl->rng_initialized = false;
- b43err(wl, "Failed to register the random "
- "number generator (%d)\n", err);
- }
-#endif /* CONFIG_B43_HWRNG */
-
- return err;
-}
-
-static void b43_tx_work(struct work_struct *work)
-{
- struct b43_wl *wl = container_of(work, struct b43_wl, tx_work);
- struct b43_wldev *dev;
- struct sk_buff *skb;
- int queue_num;
- int err = 0;
-
- mutex_lock(&wl->mutex);
- dev = wl->current_dev;
- if (unlikely(!dev || b43_status(dev) < B43_STAT_STARTED)) {
- mutex_unlock(&wl->mutex);
- return;
- }
-
- for (queue_num = 0; queue_num < B43_QOS_QUEUE_NUM; queue_num++) {
- while (skb_queue_len(&wl->tx_queue[queue_num])) {
- skb = skb_dequeue(&wl->tx_queue[queue_num]);
- if (b43_using_pio_transfers(dev))
- err = b43_pio_tx(dev, skb);
- else
- err = b43_dma_tx(dev, skb);
- if (err == -ENOSPC) {
- wl->tx_queue_stopped[queue_num] = 1;
- ieee80211_stop_queue(wl->hw, queue_num);
- skb_queue_head(&wl->tx_queue[queue_num], skb);
- break;
- }
- if (unlikely(err))
- ieee80211_free_txskb(wl->hw, skb);
- err = 0;
- }
-
- if (!err)
- wl->tx_queue_stopped[queue_num] = 0;
- }
-
-#if B43_DEBUG
- dev->tx_count++;
-#endif
- mutex_unlock(&wl->mutex);
-}
-
-static void b43_op_tx(struct ieee80211_hw *hw,
- struct ieee80211_tx_control *control,
- struct sk_buff *skb)
-{
- struct b43_wl *wl = hw_to_b43_wl(hw);
-
- if (unlikely(skb->len < 2 + 2 + 6)) {
- /* Too short, this can't be a valid frame. */
- ieee80211_free_txskb(hw, skb);
- return;
- }
- B43_WARN_ON(skb_shinfo(skb)->nr_frags);
-
- skb_queue_tail(&wl->tx_queue[skb->queue_mapping], skb);
- if (!wl->tx_queue_stopped[skb->queue_mapping]) {
- ieee80211_queue_work(wl->hw, &wl->tx_work);
- } else {
- ieee80211_stop_queue(wl->hw, skb->queue_mapping);
- }
-}
-
-static void b43_qos_params_upload(struct b43_wldev *dev,
- const struct ieee80211_tx_queue_params *p,
- u16 shm_offset)
-{
- u16 params[B43_NR_QOSPARAMS];
- int bslots, tmp;
- unsigned int i;
-
- if (!dev->qos_enabled)
- return;
-
- bslots = b43_read16(dev, B43_MMIO_RNG) & p->cw_min;
-
- memset(&params, 0, sizeof(params));
-
- params[B43_QOSPARAM_TXOP] = p->txop * 32;
- params[B43_QOSPARAM_CWMIN] = p->cw_min;
- params[B43_QOSPARAM_CWMAX] = p->cw_max;
- params[B43_QOSPARAM_CWCUR] = p->cw_min;
- params[B43_QOSPARAM_AIFS] = p->aifs;
- params[B43_QOSPARAM_BSLOTS] = bslots;
- params[B43_QOSPARAM_REGGAP] = bslots + p->aifs;
-
- for (i = 0; i < ARRAY_SIZE(params); i++) {
- if (i == B43_QOSPARAM_STATUS) {
- tmp = b43_shm_read16(dev, B43_SHM_SHARED,
- shm_offset + (i * 2));
- /* Mark the parameters as updated. */
- tmp |= 0x100;
- b43_shm_write16(dev, B43_SHM_SHARED,
- shm_offset + (i * 2),
- tmp);
- } else {
- b43_shm_write16(dev, B43_SHM_SHARED,
- shm_offset + (i * 2),
- params[i]);
- }
- }
-}
-
-/* Mapping of mac80211 queue numbers to b43 QoS SHM offsets. */
-static const u16 b43_qos_shm_offsets[] = {
- /* [mac80211-queue-nr] = SHM_OFFSET, */
- [0] = B43_QOS_VOICE,
- [1] = B43_QOS_VIDEO,
- [2] = B43_QOS_BESTEFFORT,
- [3] = B43_QOS_BACKGROUND,
-};
-
-/* Update all QOS parameters in hardware. */
-static void b43_qos_upload_all(struct b43_wldev *dev)
-{
- struct b43_wl *wl = dev->wl;
- struct b43_qos_params *params;
- unsigned int i;
-
- if (!dev->qos_enabled)
- return;
-
- BUILD_BUG_ON(ARRAY_SIZE(b43_qos_shm_offsets) !=
- ARRAY_SIZE(wl->qos_params));
-
- b43_mac_suspend(dev);
- for (i = 0; i < ARRAY_SIZE(wl->qos_params); i++) {
- params = &(wl->qos_params[i]);
- b43_qos_params_upload(dev, &(params->p),
- b43_qos_shm_offsets[i]);
- }
- b43_mac_enable(dev);
-}
-
-static void b43_qos_clear(struct b43_wl *wl)
-{
- struct b43_qos_params *params;
- unsigned int i;
-
- /* Initialize QoS parameters to sane defaults. */
-
- BUILD_BUG_ON(ARRAY_SIZE(b43_qos_shm_offsets) !=
- ARRAY_SIZE(wl->qos_params));
-
- for (i = 0; i < ARRAY_SIZE(wl->qos_params); i++) {
- params = &(wl->qos_params[i]);
-
- switch (b43_qos_shm_offsets[i]) {
- case B43_QOS_VOICE:
- params->p.txop = 0;
- params->p.aifs = 2;
- params->p.cw_min = 0x0001;
- params->p.cw_max = 0x0001;
- break;
- case B43_QOS_VIDEO:
- params->p.txop = 0;
- params->p.aifs = 2;
- params->p.cw_min = 0x0001;
- params->p.cw_max = 0x0001;
- break;
- case B43_QOS_BESTEFFORT:
- params->p.txop = 0;
- params->p.aifs = 3;
- params->p.cw_min = 0x0001;
- params->p.cw_max = 0x03FF;
- break;
- case B43_QOS_BACKGROUND:
- params->p.txop = 0;
- params->p.aifs = 7;
- params->p.cw_min = 0x0001;
- params->p.cw_max = 0x03FF;
- break;
- default:
- B43_WARN_ON(1);
- }
- }
-}
-
-/* Initialize the core's QOS capabilities */
-static void b43_qos_init(struct b43_wldev *dev)
-{
- if (!dev->qos_enabled) {
- /* Disable QOS support. */
- b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_EDCF);
- b43_write16(dev, B43_MMIO_IFSCTL,
- b43_read16(dev, B43_MMIO_IFSCTL)
- & ~B43_MMIO_IFSCTL_USE_EDCF);
- b43dbg(dev->wl, "QoS disabled\n");
- return;
- }
-
- /* Upload the current QOS parameters. */
- b43_qos_upload_all(dev);
-
- /* Enable QOS support. */
- b43_hf_write(dev, b43_hf_read(dev) | B43_HF_EDCF);
- b43_write16(dev, B43_MMIO_IFSCTL,
- b43_read16(dev, B43_MMIO_IFSCTL)
- | B43_MMIO_IFSCTL_USE_EDCF);
- b43dbg(dev->wl, "QoS enabled\n");
-}
-
-static int b43_op_conf_tx(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif, u16 _queue,
- const struct ieee80211_tx_queue_params *params)
-{
- struct b43_wl *wl = hw_to_b43_wl(hw);
- struct b43_wldev *dev;
- unsigned int queue = (unsigned int)_queue;
- int err = -ENODEV;
-
- if (queue >= ARRAY_SIZE(wl->qos_params)) {
- /* Queue not available or don't support setting
- * params on this queue. Return success to not
- * confuse mac80211. */
- return 0;
- }
- BUILD_BUG_ON(ARRAY_SIZE(b43_qos_shm_offsets) !=
- ARRAY_SIZE(wl->qos_params));
-
- mutex_lock(&wl->mutex);
- dev = wl->current_dev;
- if (unlikely(!dev || (b43_status(dev) < B43_STAT_INITIALIZED)))
- goto out_unlock;
-
- memcpy(&(wl->qos_params[queue].p), params, sizeof(*params));
- b43_mac_suspend(dev);
- b43_qos_params_upload(dev, &(wl->qos_params[queue].p),
- b43_qos_shm_offsets[queue]);
- b43_mac_enable(dev);
- err = 0;
-
-out_unlock:
- mutex_unlock(&wl->mutex);
-
- return err;
-}
-
-static int b43_op_get_stats(struct ieee80211_hw *hw,
- struct ieee80211_low_level_stats *stats)
-{
- struct b43_wl *wl = hw_to_b43_wl(hw);
-
- mutex_lock(&wl->mutex);
- memcpy(stats, &wl->ieee_stats, sizeof(*stats));
- mutex_unlock(&wl->mutex);
-
- return 0;
-}
-
-static u64 b43_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
-{
- struct b43_wl *wl = hw_to_b43_wl(hw);
- struct b43_wldev *dev;
- u64 tsf;
-
- mutex_lock(&wl->mutex);
- dev = wl->current_dev;
-
- if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED))
- b43_tsf_read(dev, &tsf);
- else
- tsf = 0;
-
- mutex_unlock(&wl->mutex);
-
- return tsf;
-}
-
-static void b43_op_set_tsf(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif, u64 tsf)
-{
- struct b43_wl *wl = hw_to_b43_wl(hw);
- struct b43_wldev *dev;
-
- mutex_lock(&wl->mutex);
- dev = wl->current_dev;
-
- if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED))
- b43_tsf_write(dev, tsf);
-
- mutex_unlock(&wl->mutex);
-}
-
-static const char *band_to_string(enum ieee80211_band band)
-{
- switch (band) {
- case IEEE80211_BAND_5GHZ:
- return "5";
- case IEEE80211_BAND_2GHZ:
- return "2.4";
- default:
- break;
- }
- B43_WARN_ON(1);
- return "";
-}
-
-/* Expects wl->mutex locked */
-static int b43_switch_band(struct b43_wldev *dev,
- struct ieee80211_channel *chan)
-{
- struct b43_phy *phy = &dev->phy;
- bool gmode;
- u32 tmp;
-
- switch (chan->band) {
- case IEEE80211_BAND_5GHZ:
- gmode = false;
- break;
- case IEEE80211_BAND_2GHZ:
- gmode = true;
- break;
- default:
- B43_WARN_ON(1);
- return -EINVAL;
- }
-
- if (!((gmode && phy->supports_2ghz) ||
- (!gmode && phy->supports_5ghz))) {
- b43err(dev->wl, "This device doesn't support %s-GHz band\n",
- band_to_string(chan->band));
- return -ENODEV;
- }
-
- if (!!phy->gmode == !!gmode) {
- /* This device is already running. */
- return 0;
- }
-
- b43dbg(dev->wl, "Switching to %s GHz band\n",
- band_to_string(chan->band));
-
- /* Some new devices don't need disabling radio for band switching */
- if (!(phy->type == B43_PHYTYPE_N && phy->rev >= 3))
- b43_software_rfkill(dev, true);
-
- phy->gmode = gmode;
- b43_phy_put_into_reset(dev);
- switch (dev->dev->bus_type) {
-#ifdef CONFIG_B43_BCMA
- case B43_BUS_BCMA:
- tmp = bcma_aread32(dev->dev->bdev, BCMA_IOCTL);
- if (gmode)
- tmp |= B43_BCMA_IOCTL_GMODE;
- else
- tmp &= ~B43_BCMA_IOCTL_GMODE;
- bcma_awrite32(dev->dev->bdev, BCMA_IOCTL, tmp);
- break;
-#endif
-#ifdef CONFIG_B43_SSB
- case B43_BUS_SSB:
- tmp = ssb_read32(dev->dev->sdev, SSB_TMSLOW);
- if (gmode)
- tmp |= B43_TMSLOW_GMODE;
- else
- tmp &= ~B43_TMSLOW_GMODE;
- ssb_write32(dev->dev->sdev, SSB_TMSLOW, tmp);
- break;
-#endif
- }
- b43_phy_take_out_of_reset(dev);
-
- b43_upload_initvals_band(dev);
-
- b43_phy_init(dev);
-
- return 0;
-}
-
-static void b43_set_beacon_listen_interval(struct b43_wldev *dev, u16 interval)
-{
- interval = min_t(u16, interval, (u16)0xFF);
- b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_BCN_LI, interval);
-}
-
-/* Write the short and long frame retry limit values. */
-static void b43_set_retry_limits(struct b43_wldev *dev,
- unsigned int short_retry,
- unsigned int long_retry)
-{
- /* The retry limit is a 4-bit counter. Enforce this to avoid overflowing
- * the chip-internal counter. */
- short_retry = min(short_retry, (unsigned int)0xF);
- long_retry = min(long_retry, (unsigned int)0xF);
-
- b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_SRLIMIT,
- short_retry);
- b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_LRLIMIT,
- long_retry);
-}
-
-static int b43_op_config(struct ieee80211_hw *hw, u32 changed)
-{
- struct b43_wl *wl = hw_to_b43_wl(hw);
- struct b43_wldev *dev = wl->current_dev;
- struct b43_phy *phy = &dev->phy;
- struct ieee80211_conf *conf = &hw->conf;
- int antenna;
- int err = 0;
-
- mutex_lock(&wl->mutex);
- b43_mac_suspend(dev);
-
- if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL)
- b43_set_beacon_listen_interval(dev, conf->listen_interval);
-
- if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
- phy->chandef = &conf->chandef;
- phy->channel = conf->chandef.chan->hw_value;
-
- /* Switch the band (if necessary). */
- err = b43_switch_band(dev, conf->chandef.chan);
- if (err)
- goto out_mac_enable;
-
- /* Switch to the requested channel.
- * The firmware takes care of races with the TX handler.
- */
- b43_switch_channel(dev, phy->channel);
- }
-
- if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
- b43_set_retry_limits(dev, conf->short_frame_max_tx_count,
- conf->long_frame_max_tx_count);
- changed &= ~IEEE80211_CONF_CHANGE_RETRY_LIMITS;
- if (!changed)
- goto out_mac_enable;
-
- dev->wl->radiotap_enabled = !!(conf->flags & IEEE80211_CONF_MONITOR);
-
- /* Adjust the desired TX power level. */
- if (conf->power_level != 0) {
- if (conf->power_level != phy->desired_txpower) {
- phy->desired_txpower = conf->power_level;
- b43_phy_txpower_check(dev, B43_TXPWR_IGNORE_TIME |
- B43_TXPWR_IGNORE_TSSI);
- }
- }
-
- /* Antennas for RX and management frame TX. */
- antenna = B43_ANTENNA_DEFAULT;
- b43_mgmtframe_txantenna(dev, antenna);
- antenna = B43_ANTENNA_DEFAULT;
- if (phy->ops->set_rx_antenna)
- phy->ops->set_rx_antenna(dev, antenna);
-
- if (wl->radio_enabled != phy->radio_on) {
- if (wl->radio_enabled) {
- b43_software_rfkill(dev, false);
- b43info(dev->wl, "Radio turned on by software\n");
- if (!dev->radio_hw_enable) {
- b43info(dev->wl, "The hardware RF-kill button "
- "still turns the radio physically off. "
- "Press the button to turn it on.\n");
- }
- } else {
- b43_software_rfkill(dev, true);
- b43info(dev->wl, "Radio turned off by software\n");
- }
- }
-
-out_mac_enable:
- b43_mac_enable(dev);
- mutex_unlock(&wl->mutex);
-
- return err;
-}
-
-static void b43_update_basic_rates(struct b43_wldev *dev, u32 brates)
-{
- struct ieee80211_supported_band *sband =
- dev->wl->hw->wiphy->bands[b43_current_band(dev->wl)];
- struct ieee80211_rate *rate;
- int i;
- u16 basic, direct, offset, basic_offset, rateptr;
-
- for (i = 0; i < sband->n_bitrates; i++) {
- rate = &sband->bitrates[i];
-
- if (b43_is_cck_rate(rate->hw_value)) {
- direct = B43_SHM_SH_CCKDIRECT;
- basic = B43_SHM_SH_CCKBASIC;
- offset = b43_plcp_get_ratecode_cck(rate->hw_value);
- offset &= 0xF;
- } else {
- direct = B43_SHM_SH_OFDMDIRECT;
- basic = B43_SHM_SH_OFDMBASIC;
- offset = b43_plcp_get_ratecode_ofdm(rate->hw_value);
- offset &= 0xF;
- }
-
- rate = ieee80211_get_response_rate(sband, brates, rate->bitrate);
-
- if (b43_is_cck_rate(rate->hw_value)) {
- basic_offset = b43_plcp_get_ratecode_cck(rate->hw_value);
- basic_offset &= 0xF;
- } else {
- basic_offset = b43_plcp_get_ratecode_ofdm(rate->hw_value);
- basic_offset &= 0xF;
- }
-
- /*
- * Get the pointer that we need to point to
- * from the direct map
- */
- rateptr = b43_shm_read16(dev, B43_SHM_SHARED,
- direct + 2 * basic_offset);
- /* and write it to the basic map */
- b43_shm_write16(dev, B43_SHM_SHARED, basic + 2 * offset,
- rateptr);
- }
-}
-
-static void b43_op_bss_info_changed(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_bss_conf *conf,
- u32 changed)
-{
- struct b43_wl *wl = hw_to_b43_wl(hw);
- struct b43_wldev *dev;
-
- mutex_lock(&wl->mutex);
-
- dev = wl->current_dev;
- if (!dev || b43_status(dev) < B43_STAT_STARTED)
- goto out_unlock_mutex;
-
- B43_WARN_ON(wl->vif != vif);
-
- if (changed & BSS_CHANGED_BSSID) {
- if (conf->bssid)
- memcpy(wl->bssid, conf->bssid, ETH_ALEN);
- else
- eth_zero_addr(wl->bssid);
- }
-
- if (b43_status(dev) >= B43_STAT_INITIALIZED) {
- if (changed & BSS_CHANGED_BEACON &&
- (b43_is_mode(wl, NL80211_IFTYPE_AP) ||
- b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT) ||
- b43_is_mode(wl, NL80211_IFTYPE_ADHOC)))
- b43_update_templates(wl);
-
- if (changed & BSS_CHANGED_BSSID)
- b43_write_mac_bssid_templates(dev);
- }
-
- b43_mac_suspend(dev);
-
- /* Update templates for AP/mesh mode. */
- if (changed & BSS_CHANGED_BEACON_INT &&
- (b43_is_mode(wl, NL80211_IFTYPE_AP) ||
- b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT) ||
- b43_is_mode(wl, NL80211_IFTYPE_ADHOC)) &&
- conf->beacon_int)
- b43_set_beacon_int(dev, conf->beacon_int);
-
- if (changed & BSS_CHANGED_BASIC_RATES)
- b43_update_basic_rates(dev, conf->basic_rates);
-
- if (changed & BSS_CHANGED_ERP_SLOT) {
- if (conf->use_short_slot)
- b43_short_slot_timing_enable(dev);
- else
- b43_short_slot_timing_disable(dev);
- }
-
- b43_mac_enable(dev);
-out_unlock_mutex:
- mutex_unlock(&wl->mutex);
-}
-
-static int b43_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
- struct ieee80211_vif *vif, struct ieee80211_sta *sta,
- struct ieee80211_key_conf *key)
-{
- struct b43_wl *wl = hw_to_b43_wl(hw);
- struct b43_wldev *dev;
- u8 algorithm;
- u8 index;
- int err;
- static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
-
- if (modparam_nohwcrypt)
- return -ENOSPC; /* User disabled HW-crypto */
-
- if ((vif->type == NL80211_IFTYPE_ADHOC ||
- vif->type == NL80211_IFTYPE_MESH_POINT) &&
- (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
- key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
- !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) {
- /*
- * For now, disable hw crypto for the RSN IBSS group keys. This
- * could be optimized in the future, but until that gets
- * implemented, use of software crypto for group addressed
- * frames is a acceptable to allow RSN IBSS to be used.
- */
- return -EOPNOTSUPP;
- }
-
- mutex_lock(&wl->mutex);
-
- dev = wl->current_dev;
- err = -ENODEV;
- if (!dev || b43_status(dev) < B43_STAT_INITIALIZED)
- goto out_unlock;
-
- if (dev->fw.pcm_request_failed || !dev->hwcrypto_enabled) {
- /* We don't have firmware for the crypto engine.
- * Must use software-crypto. */
- err = -EOPNOTSUPP;
- goto out_unlock;
- }
-
- err = -EINVAL;
- switch (key->cipher) {
- case WLAN_CIPHER_SUITE_WEP40:
- algorithm = B43_SEC_ALGO_WEP40;
- break;
- case WLAN_CIPHER_SUITE_WEP104:
- algorithm = B43_SEC_ALGO_WEP104;
- break;
- case WLAN_CIPHER_SUITE_TKIP:
- algorithm = B43_SEC_ALGO_TKIP;
- break;
- case WLAN_CIPHER_SUITE_CCMP:
- algorithm = B43_SEC_ALGO_AES;
- break;
- default:
- B43_WARN_ON(1);
- goto out_unlock;
- }
- index = (u8) (key->keyidx);
- if (index > 3)
- goto out_unlock;
-
- switch (cmd) {
- case SET_KEY:
- if (algorithm == B43_SEC_ALGO_TKIP &&
- (!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE) ||
- !modparam_hwtkip)) {
- /* We support only pairwise key */
- err = -EOPNOTSUPP;
- goto out_unlock;
- }
-
- if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) {
- if (WARN_ON(!sta)) {
- err = -EOPNOTSUPP;
- goto out_unlock;
- }
- /* Pairwise key with an assigned MAC address. */
- err = b43_key_write(dev, -1, algorithm,
- key->key, key->keylen,
- sta->addr, key);
- } else {
- /* Group key */
- err = b43_key_write(dev, index, algorithm,
- key->key, key->keylen, NULL, key);
- }
- if (err)
- goto out_unlock;
-
- if (algorithm == B43_SEC_ALGO_WEP40 ||
- algorithm == B43_SEC_ALGO_WEP104) {
- b43_hf_write(dev, b43_hf_read(dev) | B43_HF_USEDEFKEYS);
- } else {
- b43_hf_write(dev,
- b43_hf_read(dev) & ~B43_HF_USEDEFKEYS);
- }
- key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
- if (algorithm == B43_SEC_ALGO_TKIP)
- key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
- break;
- case DISABLE_KEY: {
- err = b43_key_clear(dev, key->hw_key_idx);
- if (err)
- goto out_unlock;
- break;
- }
- default:
- B43_WARN_ON(1);
- }
-
-out_unlock:
- if (!err) {
- b43dbg(wl, "%s hardware based encryption for keyidx: %d, "
- "mac: %pM\n",
- cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
- sta ? sta->addr : bcast_addr);
- b43_dump_keymemory(dev);
- }
- mutex_unlock(&wl->mutex);
-
- return err;
-}
-
-static void b43_op_configure_filter(struct ieee80211_hw *hw,
- unsigned int changed, unsigned int *fflags,
- u64 multicast)
-{
- struct b43_wl *wl = hw_to_b43_wl(hw);
- struct b43_wldev *dev;
-
- mutex_lock(&wl->mutex);
- dev = wl->current_dev;
- if (!dev) {
- *fflags = 0;
- goto out_unlock;
- }
-
- *fflags &= FIF_ALLMULTI |
- FIF_FCSFAIL |
- FIF_PLCPFAIL |
- FIF_CONTROL |
- FIF_OTHER_BSS |
- FIF_BCN_PRBRESP_PROMISC;
-
- changed &= FIF_ALLMULTI |
- FIF_FCSFAIL |
- FIF_PLCPFAIL |
- FIF_CONTROL |
- FIF_OTHER_BSS |
- FIF_BCN_PRBRESP_PROMISC;
-
- wl->filter_flags = *fflags;
-
- if (changed && b43_status(dev) >= B43_STAT_INITIALIZED)
- b43_adjust_opmode(dev);
-
-out_unlock:
- mutex_unlock(&wl->mutex);
-}
-
-/* Locking: wl->mutex
- * Returns the current dev. This might be different from the passed in dev,
- * because the core might be gone away while we unlocked the mutex. */
-static struct b43_wldev * b43_wireless_core_stop(struct b43_wldev *dev)
-{
- struct b43_wl *wl;
- struct b43_wldev *orig_dev;
- u32 mask;
- int queue_num;
-
- if (!dev)
- return NULL;
- wl = dev->wl;
-redo:
- if (!dev || b43_status(dev) < B43_STAT_STARTED)
- return dev;
-
- /* Cancel work. Unlock to avoid deadlocks. */
- mutex_unlock(&wl->mutex);
- cancel_delayed_work_sync(&dev->periodic_work);
- cancel_work_sync(&wl->tx_work);
- b43_leds_stop(dev);
- mutex_lock(&wl->mutex);
- dev = wl->current_dev;
- if (!dev || b43_status(dev) < B43_STAT_STARTED) {
- /* Whoops, aliens ate up the device while we were unlocked. */
- return dev;
- }
-
- /* Disable interrupts on the device. */
- b43_set_status(dev, B43_STAT_INITIALIZED);
- if (b43_bus_host_is_sdio(dev->dev)) {
- /* wl->mutex is locked. That is enough. */
- b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, 0);
- b43_read32(dev, B43_MMIO_GEN_IRQ_MASK); /* Flush */
- } else {
- spin_lock_irq(&wl->hardirq_lock);
- b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, 0);
- b43_read32(dev, B43_MMIO_GEN_IRQ_MASK); /* Flush */
- spin_unlock_irq(&wl->hardirq_lock);
- }
- /* Synchronize and free the interrupt handlers. Unlock to avoid deadlocks. */
- orig_dev = dev;
- mutex_unlock(&wl->mutex);
- if (b43_bus_host_is_sdio(dev->dev)) {
- b43_sdio_free_irq(dev);
- } else {
- synchronize_irq(dev->dev->irq);
- free_irq(dev->dev->irq, dev);
- }
- mutex_lock(&wl->mutex);
- dev = wl->current_dev;
- if (!dev)
- return dev;
- if (dev != orig_dev) {
- if (b43_status(dev) >= B43_STAT_STARTED)
- goto redo;
- return dev;
- }
- mask = b43_read32(dev, B43_MMIO_GEN_IRQ_MASK);
- B43_WARN_ON(mask != 0xFFFFFFFF && mask);
-
- /* Drain all TX queues. */
- for (queue_num = 0; queue_num < B43_QOS_QUEUE_NUM; queue_num++) {
- while (skb_queue_len(&wl->tx_queue[queue_num])) {
- struct sk_buff *skb;
-
- skb = skb_dequeue(&wl->tx_queue[queue_num]);
- ieee80211_free_txskb(wl->hw, skb);
- }
- }
-
- b43_mac_suspend(dev);
- b43_leds_exit(dev);
- b43dbg(wl, "Wireless interface stopped\n");
-
- return dev;
-}
-
-/* Locking: wl->mutex */
-static int b43_wireless_core_start(struct b43_wldev *dev)
-{
- int err;
-
- B43_WARN_ON(b43_status(dev) != B43_STAT_INITIALIZED);
-
- drain_txstatus_queue(dev);
- if (b43_bus_host_is_sdio(dev->dev)) {
- err = b43_sdio_request_irq(dev, b43_sdio_interrupt_handler);
- if (err) {
- b43err(dev->wl, "Cannot request SDIO IRQ\n");
- goto out;
- }
- } else {
- err = request_threaded_irq(dev->dev->irq, b43_interrupt_handler,
- b43_interrupt_thread_handler,
- IRQF_SHARED, KBUILD_MODNAME, dev);
- if (err) {
- b43err(dev->wl, "Cannot request IRQ-%d\n",
- dev->dev->irq);
- goto out;
- }
- }
-
- /* We are ready to run. */
- ieee80211_wake_queues(dev->wl->hw);
- b43_set_status(dev, B43_STAT_STARTED);
-
- /* Start data flow (TX/RX). */
- b43_mac_enable(dev);
- b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, dev->irq_mask);
-
- /* Start maintenance work */
- b43_periodic_tasks_setup(dev);
-
- b43_leds_init(dev);
-
- b43dbg(dev->wl, "Wireless interface started\n");
-out:
- return err;
-}
-
-static char *b43_phy_name(struct b43_wldev *dev, u8 phy_type)
-{
- switch (phy_type) {
- case B43_PHYTYPE_A:
- return "A";
- case B43_PHYTYPE_B:
- return "B";
- case B43_PHYTYPE_G:
- return "G";
- case B43_PHYTYPE_N:
- return "N";
- case B43_PHYTYPE_LP:
- return "LP";
- case B43_PHYTYPE_SSLPN:
- return "SSLPN";
- case B43_PHYTYPE_HT:
- return "HT";
- case B43_PHYTYPE_LCN:
- return "LCN";
- case B43_PHYTYPE_LCNXN:
- return "LCNXN";
- case B43_PHYTYPE_LCN40:
- return "LCN40";
- case B43_PHYTYPE_AC:
- return "AC";
- }
- return "UNKNOWN";
-}
-
-/* Get PHY and RADIO versioning numbers */
-static int b43_phy_versioning(struct b43_wldev *dev)
-{
- struct b43_phy *phy = &dev->phy;
- const u8 core_rev = dev->dev->core_rev;
- u32 tmp;
- u8 analog_type;
- u8 phy_type;
- u8 phy_rev;
- u16 radio_manuf;
- u16 radio_id;
- u16 radio_rev;
- u8 radio_ver;
- int unsupported = 0;
-
- /* Get PHY versioning */
- tmp = b43_read16(dev, B43_MMIO_PHY_VER);
- analog_type = (tmp & B43_PHYVER_ANALOG) >> B43_PHYVER_ANALOG_SHIFT;
- phy_type = (tmp & B43_PHYVER_TYPE) >> B43_PHYVER_TYPE_SHIFT;
- phy_rev = (tmp & B43_PHYVER_VERSION);
-
- /* LCNXN is continuation of N which run out of revisions */
- if (phy_type == B43_PHYTYPE_LCNXN) {
- phy_type = B43_PHYTYPE_N;
- phy_rev += 16;
- }
-
- switch (phy_type) {
-#ifdef CONFIG_B43_PHY_G
- case B43_PHYTYPE_G:
- if (phy_rev > 9)
- unsupported = 1;
- break;
-#endif
-#ifdef CONFIG_B43_PHY_N
- case B43_PHYTYPE_N:
- if (phy_rev >= 19)
- unsupported = 1;
- break;
-#endif
-#ifdef CONFIG_B43_PHY_LP
- case B43_PHYTYPE_LP:
- if (phy_rev > 2)
- unsupported = 1;
- break;
-#endif
-#ifdef CONFIG_B43_PHY_HT
- case B43_PHYTYPE_HT:
- if (phy_rev > 1)
- unsupported = 1;
- break;
-#endif
-#ifdef CONFIG_B43_PHY_LCN
- case B43_PHYTYPE_LCN:
- if (phy_rev > 1)
- unsupported = 1;
- break;
-#endif
-#ifdef CONFIG_B43_PHY_AC
- case B43_PHYTYPE_AC:
- if (phy_rev > 1)
- unsupported = 1;
- break;
-#endif
- default:
- unsupported = 1;
- }
- if (unsupported) {
- b43err(dev->wl, "FOUND UNSUPPORTED PHY (Analog %u, Type %d (%s), Revision %u)\n",
- analog_type, phy_type, b43_phy_name(dev, phy_type),
- phy_rev);
- return -EOPNOTSUPP;
- }
- b43info(dev->wl, "Found PHY: Analog %u, Type %d (%s), Revision %u\n",
- analog_type, phy_type, b43_phy_name(dev, phy_type), phy_rev);
-
- /* Get RADIO versioning */
- if (core_rev == 40 || core_rev == 42) {
- radio_manuf = 0x17F;
-
- b43_write16f(dev, B43_MMIO_RADIO24_CONTROL, 0);
- radio_rev = b43_read16(dev, B43_MMIO_RADIO24_DATA);
-
- b43_write16f(dev, B43_MMIO_RADIO24_CONTROL, 1);
- radio_id = b43_read16(dev, B43_MMIO_RADIO24_DATA);
-
- radio_ver = 0; /* Is there version somewhere? */
- } else if (core_rev >= 24) {
- u16 radio24[3];
-
- for (tmp = 0; tmp < 3; tmp++) {
- b43_write16f(dev, B43_MMIO_RADIO24_CONTROL, tmp);
- radio24[tmp] = b43_read16(dev, B43_MMIO_RADIO24_DATA);
- }
-
- radio_manuf = 0x17F;
- radio_id = (radio24[2] << 8) | radio24[1];
- radio_rev = (radio24[0] & 0xF);
- radio_ver = (radio24[0] & 0xF0) >> 4;
- } else {
- if (dev->dev->chip_id == 0x4317) {
- if (dev->dev->chip_rev == 0)
- tmp = 0x3205017F;
- else if (dev->dev->chip_rev == 1)
- tmp = 0x4205017F;
- else
- tmp = 0x5205017F;
- } else {
- b43_write16f(dev, B43_MMIO_RADIO_CONTROL,
- B43_RADIOCTL_ID);
- tmp = b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
- b43_write16f(dev, B43_MMIO_RADIO_CONTROL,
- B43_RADIOCTL_ID);
- tmp |= b43_read16(dev, B43_MMIO_RADIO_DATA_HIGH) << 16;
- }
- radio_manuf = (tmp & 0x00000FFF);
- radio_id = (tmp & 0x0FFFF000) >> 12;
- radio_rev = (tmp & 0xF0000000) >> 28;
- radio_ver = 0; /* Probably not available on old hw */
- }
-
- if (radio_manuf != 0x17F /* Broadcom */)
- unsupported = 1;
- switch (phy_type) {
- case B43_PHYTYPE_A:
- if (radio_id != 0x2060)
- unsupported = 1;
- if (radio_rev != 1)
- unsupported = 1;
- if (radio_manuf != 0x17F)
- unsupported = 1;
- break;
- case B43_PHYTYPE_B:
- if ((radio_id & 0xFFF0) != 0x2050)
- unsupported = 1;
- break;
- case B43_PHYTYPE_G:
- if (radio_id != 0x2050)
- unsupported = 1;
- break;
- case B43_PHYTYPE_N:
- if (radio_id != 0x2055 && radio_id != 0x2056 &&
- radio_id != 0x2057)
- unsupported = 1;
- if (radio_id == 0x2057 &&
- !(radio_rev == 9 || radio_rev == 14))
- unsupported = 1;
- break;
- case B43_PHYTYPE_LP:
- if (radio_id != 0x2062 && radio_id != 0x2063)
- unsupported = 1;
- break;
- case B43_PHYTYPE_HT:
- if (radio_id != 0x2059)
- unsupported = 1;
- break;
- case B43_PHYTYPE_LCN:
- if (radio_id != 0x2064)
- unsupported = 1;
- break;
- case B43_PHYTYPE_AC:
- if (radio_id != 0x2069)
- unsupported = 1;
- break;
- default:
- B43_WARN_ON(1);
- }
- if (unsupported) {
- b43err(dev->wl,
- "FOUND UNSUPPORTED RADIO (Manuf 0x%X, ID 0x%X, Revision %u, Version %u)\n",
- radio_manuf, radio_id, radio_rev, radio_ver);
- return -EOPNOTSUPP;
- }
- b43info(dev->wl,
- "Found Radio: Manuf 0x%X, ID 0x%X, Revision %u, Version %u\n",
- radio_manuf, radio_id, radio_rev, radio_ver);
-
- /* FIXME: b43 treats "id" as "ver" and ignores the real "ver" */
- phy->radio_manuf = radio_manuf;
- phy->radio_ver = radio_id;
- phy->radio_rev = radio_rev;
-
- phy->analog = analog_type;
- phy->type = phy_type;
- phy->rev = phy_rev;
-
- return 0;
-}
-
-static void setup_struct_phy_for_init(struct b43_wldev *dev,
- struct b43_phy *phy)
-{
- phy->hardware_power_control = !!modparam_hwpctl;
- phy->next_txpwr_check_time = jiffies;
- /* PHY TX errors counter. */
- atomic_set(&phy->txerr_cnt, B43_PHY_TX_BADNESS_LIMIT);
-
-#if B43_DEBUG
- phy->phy_locked = false;
- phy->radio_locked = false;
-#endif
-}
-
-static void setup_struct_wldev_for_init(struct b43_wldev *dev)
-{
- dev->dfq_valid = false;
-
- /* Assume the radio is enabled. If it's not enabled, the state will
- * immediately get fixed on the first periodic work run. */
- dev->radio_hw_enable = true;
-
- /* Stats */
- memset(&dev->stats, 0, sizeof(dev->stats));
-
- setup_struct_phy_for_init(dev, &dev->phy);
-
- /* IRQ related flags */
- dev->irq_reason = 0;
- memset(dev->dma_reason, 0, sizeof(dev->dma_reason));
- dev->irq_mask = B43_IRQ_MASKTEMPLATE;
- if (b43_modparam_verbose < B43_VERBOSITY_DEBUG)
- dev->irq_mask &= ~B43_IRQ_PHY_TXERR;
-
- dev->mac_suspended = 1;
-
- /* Noise calculation context */
- memset(&dev->noisecalc, 0, sizeof(dev->noisecalc));
-}
-
-static void b43_bluetooth_coext_enable(struct b43_wldev *dev)
-{
- struct ssb_sprom *sprom = dev->dev->bus_sprom;
- u64 hf;
-
- if (!modparam_btcoex)
- return;
- if (!(sprom->boardflags_lo & B43_BFL_BTCOEXIST))
- return;
- if (dev->phy.type != B43_PHYTYPE_B && !dev->phy.gmode)
- return;
-
- hf = b43_hf_read(dev);
- if (sprom->boardflags_lo & B43_BFL_BTCMOD)
- hf |= B43_HF_BTCOEXALT;
- else
- hf |= B43_HF_BTCOEX;
- b43_hf_write(dev, hf);
-}
-
-static void b43_bluetooth_coext_disable(struct b43_wldev *dev)
-{
- if (!modparam_btcoex)
- return;
- //TODO
-}
-
-static void b43_imcfglo_timeouts_workaround(struct b43_wldev *dev)
-{
- struct ssb_bus *bus;
- u32 tmp;
-
-#ifdef CONFIG_B43_SSB
- if (dev->dev->bus_type != B43_BUS_SSB)
- return;
-#else
- return;
-#endif
-
- bus = dev->dev->sdev->bus;
-
- if ((bus->chip_id == 0x4311 && bus->chip_rev == 2) ||
- (bus->chip_id == 0x4312)) {
- tmp = ssb_read32(dev->dev->sdev, SSB_IMCFGLO);
- tmp &= ~SSB_IMCFGLO_REQTO;
- tmp &= ~SSB_IMCFGLO_SERTO;
- tmp |= 0x3;
- ssb_write32(dev->dev->sdev, SSB_IMCFGLO, tmp);
- ssb_commit_settings(bus);
- }
-}
-
-static void b43_set_synth_pu_delay(struct b43_wldev *dev, bool idle)
-{
- u16 pu_delay;
-
- /* The time value is in microseconds. */
- if (dev->phy.type == B43_PHYTYPE_A)
- pu_delay = 3700;
- else
- pu_delay = 1050;
- if (b43_is_mode(dev->wl, NL80211_IFTYPE_ADHOC) || idle)
- pu_delay = 500;
- if ((dev->phy.radio_ver == 0x2050) && (dev->phy.radio_rev == 8))
- pu_delay = max(pu_delay, (u16)2400);
-
- b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_SPUWKUP, pu_delay);
-}
-
-/* Set the TSF CFP pre-TargetBeaconTransmissionTime. */
-static void b43_set_pretbtt(struct b43_wldev *dev)
-{
- u16 pretbtt;
-
- /* The time value is in microseconds. */
- if (b43_is_mode(dev->wl, NL80211_IFTYPE_ADHOC)) {
- pretbtt = 2;
- } else {
- if (dev->phy.type == B43_PHYTYPE_A)
- pretbtt = 120;
- else
- pretbtt = 250;
- }
- b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRETBTT, pretbtt);
- b43_write16(dev, B43_MMIO_TSF_CFP_PRETBTT, pretbtt);
-}
-
-/* Shutdown a wireless core */
-/* Locking: wl->mutex */
-static void b43_wireless_core_exit(struct b43_wldev *dev)
-{
- B43_WARN_ON(dev && b43_status(dev) > B43_STAT_INITIALIZED);
- if (!dev || b43_status(dev) != B43_STAT_INITIALIZED)
- return;
-
- b43_set_status(dev, B43_STAT_UNINIT);
-
- /* Stop the microcode PSM. */
- b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_PSM_RUN,
- B43_MACCTL_PSM_JMP0);
-
- switch (dev->dev->bus_type) {
-#ifdef CONFIG_B43_BCMA
- case B43_BUS_BCMA:
- bcma_host_pci_down(dev->dev->bdev->bus);
- break;
-#endif
-#ifdef CONFIG_B43_SSB
- case B43_BUS_SSB:
- /* TODO */
- break;
-#endif
- }
-
- b43_dma_free(dev);
- b43_pio_free(dev);
- b43_chip_exit(dev);
- dev->phy.ops->switch_analog(dev, 0);
- if (dev->wl->current_beacon) {
- dev_kfree_skb_any(dev->wl->current_beacon);
- dev->wl->current_beacon = NULL;
- }
-
- b43_device_disable(dev, 0);
- b43_bus_may_powerdown(dev);
-}
-
-/* Initialize a wireless core */
-static int b43_wireless_core_init(struct b43_wldev *dev)
-{
- struct ssb_sprom *sprom = dev->dev->bus_sprom;
- struct b43_phy *phy = &dev->phy;
- int err;
- u64 hf;
-
- B43_WARN_ON(b43_status(dev) != B43_STAT_UNINIT);
-
- err = b43_bus_powerup(dev, 0);
- if (err)
- goto out;
- if (!b43_device_is_enabled(dev))
- b43_wireless_core_reset(dev, phy->gmode);
-
- /* Reset all data structures. */
- setup_struct_wldev_for_init(dev);
- phy->ops->prepare_structs(dev);
-
- /* Enable IRQ routing to this device. */
- switch (dev->dev->bus_type) {
-#ifdef CONFIG_B43_BCMA
- case B43_BUS_BCMA:
- bcma_host_pci_irq_ctl(dev->dev->bdev->bus,
- dev->dev->bdev, true);
- bcma_host_pci_up(dev->dev->bdev->bus);
- break;
-#endif
-#ifdef CONFIG_B43_SSB
- case B43_BUS_SSB:
- ssb_pcicore_dev_irqvecs_enable(&dev->dev->sdev->bus->pcicore,
- dev->dev->sdev);
- break;
-#endif
- }
-
- b43_imcfglo_timeouts_workaround(dev);
- b43_bluetooth_coext_disable(dev);
- if (phy->ops->prepare_hardware) {
- err = phy->ops->prepare_hardware(dev);
- if (err)
- goto err_busdown;
- }
- err = b43_chip_init(dev);
- if (err)
- goto err_busdown;
- b43_shm_write16(dev, B43_SHM_SHARED,
- B43_SHM_SH_WLCOREREV, dev->dev->core_rev);
- hf = b43_hf_read(dev);
- if (phy->type == B43_PHYTYPE_G) {
- hf |= B43_HF_SYMW;
- if (phy->rev == 1)
- hf |= B43_HF_GDCW;
- if (sprom->boardflags_lo & B43_BFL_PACTRL)
- hf |= B43_HF_OFDMPABOOST;
- }
- if (phy->radio_ver == 0x2050) {
- if (phy->radio_rev == 6)
- hf |= B43_HF_4318TSSI;
- if (phy->radio_rev < 6)
- hf |= B43_HF_VCORECALC;
- }
- if (sprom->boardflags_lo & B43_BFL_XTAL_NOSLOW)
- hf |= B43_HF_DSCRQ; /* Disable slowclock requests from ucode. */
-#if defined(CONFIG_B43_SSB) && defined(CONFIG_SSB_DRIVER_PCICORE)
- if (dev->dev->bus_type == B43_BUS_SSB &&
- dev->dev->sdev->bus->bustype == SSB_BUSTYPE_PCI &&
- dev->dev->sdev->bus->pcicore.dev->id.revision <= 10)
- hf |= B43_HF_PCISCW; /* PCI slow clock workaround. */
-#endif
- hf &= ~B43_HF_SKCFPUP;
- b43_hf_write(dev, hf);
-
- /* tell the ucode MAC capabilities */
- if (dev->dev->core_rev >= 13) {
- u32 mac_hw_cap = b43_read32(dev, B43_MMIO_MAC_HW_CAP);
-
- b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_MACHW_L,
- mac_hw_cap & 0xffff);
- b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_MACHW_H,
- (mac_hw_cap >> 16) & 0xffff);
- }
-
- b43_set_retry_limits(dev, B43_DEFAULT_SHORT_RETRY_LIMIT,
- B43_DEFAULT_LONG_RETRY_LIMIT);
- b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_SFFBLIM, 3);
- b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_LFFBLIM, 2);
-
- /* Disable sending probe responses from firmware.
- * Setting the MaxTime to one usec will always trigger
- * a timeout, so we never send any probe resp.
- * A timeout of zero is infinite. */
- b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRMAXTIME, 1);
-
- b43_rate_memory_init(dev);
- b43_set_phytxctl_defaults(dev);
-
- /* Minimum Contention Window */
- if (phy->type == B43_PHYTYPE_B)
- b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_MINCONT, 0x1F);
- else
- b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_MINCONT, 0xF);
- /* Maximum Contention Window */
- b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_MAXCONT, 0x3FF);
-
- /* write phytype and phyvers */
- b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PHYTYPE, phy->type);
- b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PHYVER, phy->rev);
-
- if (b43_bus_host_is_pcmcia(dev->dev) ||
- b43_bus_host_is_sdio(dev->dev)) {
- dev->__using_pio_transfers = true;
- err = b43_pio_init(dev);
- } else if (dev->use_pio) {
- b43warn(dev->wl, "Forced PIO by use_pio module parameter. "
- "This should not be needed and will result in lower "
- "performance.\n");
- dev->__using_pio_transfers = true;
- err = b43_pio_init(dev);
- } else {
- dev->__using_pio_transfers = false;
- err = b43_dma_init(dev);
- }
- if (err)
- goto err_chip_exit;
- b43_qos_init(dev);
- b43_set_synth_pu_delay(dev, 1);
- b43_bluetooth_coext_enable(dev);
-
- b43_bus_powerup(dev, !(sprom->boardflags_lo & B43_BFL_XTAL_NOSLOW));
- b43_upload_card_macaddress(dev);
- b43_security_init(dev);
-
- ieee80211_wake_queues(dev->wl->hw);
-
- b43_set_status(dev, B43_STAT_INITIALIZED);
-
-out:
- return err;
-
-err_chip_exit:
- b43_chip_exit(dev);
-err_busdown:
- b43_bus_may_powerdown(dev);
- B43_WARN_ON(b43_status(dev) != B43_STAT_UNINIT);
- return err;
-}
-
-static int b43_op_add_interface(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif)
-{
- struct b43_wl *wl = hw_to_b43_wl(hw);
- struct b43_wldev *dev;
- int err = -EOPNOTSUPP;
-
- /* TODO: allow WDS/AP devices to coexist */
-
- if (vif->type != NL80211_IFTYPE_AP &&
- vif->type != NL80211_IFTYPE_MESH_POINT &&
- vif->type != NL80211_IFTYPE_STATION &&
- vif->type != NL80211_IFTYPE_WDS &&
- vif->type != NL80211_IFTYPE_ADHOC)
- return -EOPNOTSUPP;
-
- mutex_lock(&wl->mutex);
- if (wl->operating)
- goto out_mutex_unlock;
-
- b43dbg(wl, "Adding Interface type %d\n", vif->type);
-
- dev = wl->current_dev;
- wl->operating = true;
- wl->vif = vif;
- wl->if_type = vif->type;
- memcpy(wl->mac_addr, vif->addr, ETH_ALEN);
-
- b43_adjust_opmode(dev);
- b43_set_pretbtt(dev);
- b43_set_synth_pu_delay(dev, 0);
- b43_upload_card_macaddress(dev);
-
- err = 0;
- out_mutex_unlock:
- mutex_unlock(&wl->mutex);
-
- if (err == 0)
- b43_op_bss_info_changed(hw, vif, &vif->bss_conf, ~0);
-
- return err;
-}
-
-static void b43_op_remove_interface(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif)
-{
- struct b43_wl *wl = hw_to_b43_wl(hw);
- struct b43_wldev *dev = wl->current_dev;
-
- b43dbg(wl, "Removing Interface type %d\n", vif->type);
-
- mutex_lock(&wl->mutex);
-
- B43_WARN_ON(!wl->operating);
- B43_WARN_ON(wl->vif != vif);
- wl->vif = NULL;
-
- wl->operating = false;
-
- b43_adjust_opmode(dev);
- eth_zero_addr(wl->mac_addr);
- b43_upload_card_macaddress(dev);
-
- mutex_unlock(&wl->mutex);
-}
-
-static int b43_op_start(struct ieee80211_hw *hw)
-{
- struct b43_wl *wl = hw_to_b43_wl(hw);
- struct b43_wldev *dev = wl->current_dev;
- int did_init = 0;
- int err = 0;
-
- /* Kill all old instance specific information to make sure
- * the card won't use it in the short timeframe between start
- * and mac80211 reconfiguring it. */
- eth_zero_addr(wl->bssid);
- eth_zero_addr(wl->mac_addr);
- wl->filter_flags = 0;
- wl->radiotap_enabled = false;
- b43_qos_clear(wl);
- wl->beacon0_uploaded = false;
- wl->beacon1_uploaded = false;
- wl->beacon_templates_virgin = true;
- wl->radio_enabled = true;
-
- mutex_lock(&wl->mutex);
-
- if (b43_status(dev) < B43_STAT_INITIALIZED) {
- err = b43_wireless_core_init(dev);
- if (err)
- goto out_mutex_unlock;
- did_init = 1;
- }
-
- if (b43_status(dev) < B43_STAT_STARTED) {
- err = b43_wireless_core_start(dev);
- if (err) {
- if (did_init)
- b43_wireless_core_exit(dev);
- goto out_mutex_unlock;
- }
- }
-
- /* XXX: only do if device doesn't support rfkill irq */
- wiphy_rfkill_start_polling(hw->wiphy);
-
- out_mutex_unlock:
- mutex_unlock(&wl->mutex);
-
- /*
- * Configuration may have been overwritten during initialization.
- * Reload the configuration, but only if initialization was
- * successful. Reloading the configuration after a failed init
- * may hang the system.
- */
- if (!err)
- b43_op_config(hw, ~0);
-
- return err;
-}
-
-static void b43_op_stop(struct ieee80211_hw *hw)
-{
- struct b43_wl *wl = hw_to_b43_wl(hw);
- struct b43_wldev *dev = wl->current_dev;
-
- cancel_work_sync(&(wl->beacon_update_trigger));
-
- if (!dev)
- goto out;
-
- mutex_lock(&wl->mutex);
- if (b43_status(dev) >= B43_STAT_STARTED) {
- dev = b43_wireless_core_stop(dev);
- if (!dev)
- goto out_unlock;
- }
- b43_wireless_core_exit(dev);
- wl->radio_enabled = false;
-
-out_unlock:
- mutex_unlock(&wl->mutex);
-out:
- cancel_work_sync(&(wl->txpower_adjust_work));
-}
-
-static int b43_op_beacon_set_tim(struct ieee80211_hw *hw,
- struct ieee80211_sta *sta, bool set)
-{
- struct b43_wl *wl = hw_to_b43_wl(hw);
-
- b43_update_templates(wl);
-
- return 0;
-}
-
-static void b43_op_sta_notify(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- enum sta_notify_cmd notify_cmd,
- struct ieee80211_sta *sta)
-{
- struct b43_wl *wl = hw_to_b43_wl(hw);
-
- B43_WARN_ON(!vif || wl->vif != vif);
-}
-
-static void b43_op_sw_scan_start_notifier(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- const u8 *mac_addr)
-{
- struct b43_wl *wl = hw_to_b43_wl(hw);
- struct b43_wldev *dev;
-
- mutex_lock(&wl->mutex);
- dev = wl->current_dev;
- if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED)) {
- /* Disable CFP update during scan on other channels. */
- b43_hf_write(dev, b43_hf_read(dev) | B43_HF_SKCFPUP);
- }
- mutex_unlock(&wl->mutex);
-}
-
-static void b43_op_sw_scan_complete_notifier(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif)
-{
- struct b43_wl *wl = hw_to_b43_wl(hw);
- struct b43_wldev *dev;
-
- mutex_lock(&wl->mutex);
- dev = wl->current_dev;
- if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED)) {
- /* Re-enable CFP update. */
- b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_SKCFPUP);
- }
- mutex_unlock(&wl->mutex);
-}
-
-static int b43_op_get_survey(struct ieee80211_hw *hw, int idx,
- struct survey_info *survey)
-{
- struct b43_wl *wl = hw_to_b43_wl(hw);
- struct b43_wldev *dev = wl->current_dev;
- struct ieee80211_conf *conf = &hw->conf;
-
- if (idx != 0)
- return -ENOENT;
-
- survey->channel = conf->chandef.chan;
- survey->filled = SURVEY_INFO_NOISE_DBM;
- survey->noise = dev->stats.link_noise;
-
- return 0;
-}
-
-static const struct ieee80211_ops b43_hw_ops = {
- .tx = b43_op_tx,
- .conf_tx = b43_op_conf_tx,
- .add_interface = b43_op_add_interface,
- .remove_interface = b43_op_remove_interface,
- .config = b43_op_config,
- .bss_info_changed = b43_op_bss_info_changed,
- .configure_filter = b43_op_configure_filter,
- .set_key = b43_op_set_key,
- .update_tkip_key = b43_op_update_tkip_key,
- .get_stats = b43_op_get_stats,
- .get_tsf = b43_op_get_tsf,
- .set_tsf = b43_op_set_tsf,
- .start = b43_op_start,
- .stop = b43_op_stop,
- .set_tim = b43_op_beacon_set_tim,
- .sta_notify = b43_op_sta_notify,
- .sw_scan_start = b43_op_sw_scan_start_notifier,
- .sw_scan_complete = b43_op_sw_scan_complete_notifier,
- .get_survey = b43_op_get_survey,
- .rfkill_poll = b43_rfkill_poll,
-};
-
-/* Hard-reset the chip. Do not call this directly.
- * Use b43_controller_restart()
- */
-static void b43_chip_reset(struct work_struct *work)
-{
- struct b43_wldev *dev =
- container_of(work, struct b43_wldev, restart_work);
- struct b43_wl *wl = dev->wl;
- int err = 0;
- int prev_status;
-
- mutex_lock(&wl->mutex);
-
- prev_status = b43_status(dev);
- /* Bring the device down... */
- if (prev_status >= B43_STAT_STARTED) {
- dev = b43_wireless_core_stop(dev);
- if (!dev) {
- err = -ENODEV;
- goto out;
- }
- }
- if (prev_status >= B43_STAT_INITIALIZED)
- b43_wireless_core_exit(dev);
-
- /* ...and up again. */
- if (prev_status >= B43_STAT_INITIALIZED) {
- err = b43_wireless_core_init(dev);
- if (err)
- goto out;
- }
- if (prev_status >= B43_STAT_STARTED) {
- err = b43_wireless_core_start(dev);
- if (err) {
- b43_wireless_core_exit(dev);
- goto out;
- }
- }
-out:
- if (err)
- wl->current_dev = NULL; /* Failed to init the dev. */
- mutex_unlock(&wl->mutex);
-
- if (err) {
- b43err(wl, "Controller restart FAILED\n");
- return;
- }
-
- /* reload configuration */
- b43_op_config(wl->hw, ~0);
- if (wl->vif)
- b43_op_bss_info_changed(wl->hw, wl->vif, &wl->vif->bss_conf, ~0);
-
- b43info(wl, "Controller restarted\n");
-}
-
-static int b43_setup_bands(struct b43_wldev *dev,
- bool have_2ghz_phy, bool have_5ghz_phy)
-{
- struct ieee80211_hw *hw = dev->wl->hw;
- struct b43_phy *phy = &dev->phy;
- bool limited_2g;
- bool limited_5g;
-
- /* We don't support all 2 GHz channels on some devices */
- limited_2g = phy->radio_ver == 0x2057 &&
- (phy->radio_rev == 9 || phy->radio_rev == 14);
- limited_5g = phy->radio_ver == 0x2057 &&
- phy->radio_rev == 9;
-
- if (have_2ghz_phy)
- hw->wiphy->bands[IEEE80211_BAND_2GHZ] = limited_2g ?
- &b43_band_2ghz_limited : &b43_band_2GHz;
- if (dev->phy.type == B43_PHYTYPE_N) {
- if (have_5ghz_phy)
- hw->wiphy->bands[IEEE80211_BAND_5GHZ] = limited_5g ?
- &b43_band_5GHz_nphy_limited :
- &b43_band_5GHz_nphy;
- } else {
- if (have_5ghz_phy)
- hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &b43_band_5GHz_aphy;
- }
-
- dev->phy.supports_2ghz = have_2ghz_phy;
- dev->phy.supports_5ghz = have_5ghz_phy;
-
- return 0;
-}
-
-static void b43_wireless_core_detach(struct b43_wldev *dev)
-{
- /* We release firmware that late to not be required to re-request
- * is all the time when we reinit the core. */
- b43_release_firmware(dev);
- b43_phy_free(dev);
-}
-
-static void b43_supported_bands(struct b43_wldev *dev, bool *have_2ghz_phy,
- bool *have_5ghz_phy)
-{
- u16 dev_id = 0;
-
-#ifdef CONFIG_B43_BCMA
- if (dev->dev->bus_type == B43_BUS_BCMA &&
- dev->dev->bdev->bus->hosttype == BCMA_HOSTTYPE_PCI)
- dev_id = dev->dev->bdev->bus->host_pci->device;
-#endif
-#ifdef CONFIG_B43_SSB
- if (dev->dev->bus_type == B43_BUS_SSB &&
- dev->dev->sdev->bus->bustype == SSB_BUSTYPE_PCI)
- dev_id = dev->dev->sdev->bus->host_pci->device;
-#endif
- /* Override with SPROM value if available */
- if (dev->dev->bus_sprom->dev_id)
- dev_id = dev->dev->bus_sprom->dev_id;
-
- /* Note: below IDs can be "virtual" (not maching e.g. real PCI ID) */
- switch (dev_id) {
- case 0x4324: /* BCM4306 */
- case 0x4312: /* BCM4311 */
- case 0x4319: /* BCM4318 */
- case 0x4328: /* BCM4321 */
- case 0x432b: /* BCM4322 */
- case 0x4350: /* BCM43222 */
- case 0x4353: /* BCM43224 */
- case 0x0576: /* BCM43224 */
- case 0x435f: /* BCM6362 */
- case 0x4331: /* BCM4331 */
- case 0x4359: /* BCM43228 */
- case 0x43a0: /* BCM4360 */
- case 0x43b1: /* BCM4352 */
- /* Dual band devices */
- *have_2ghz_phy = true;
- *have_5ghz_phy = true;
- return;
- case 0x4321: /* BCM4306 */
- /* There are 14e4:4321 PCI devs with 2.4 GHz BCM4321 (N-PHY) */
- if (dev->phy.type != B43_PHYTYPE_G)
- break;
- /* fall through */
- case 0x4313: /* BCM4311 */
- case 0x431a: /* BCM4318 */
- case 0x432a: /* BCM4321 */
- case 0x432d: /* BCM4322 */
- case 0x4352: /* BCM43222 */
- case 0x435a: /* BCM43228 */
- case 0x4333: /* BCM4331 */
- case 0x43a2: /* BCM4360 */
- case 0x43b3: /* BCM4352 */
- /* 5 GHz only devices */
- *have_2ghz_phy = false;
- *have_5ghz_phy = true;
- return;
- }
-
- /* As a fallback, try to guess using PHY type */
- switch (dev->phy.type) {
- case B43_PHYTYPE_A:
- *have_2ghz_phy = false;
- *have_5ghz_phy = true;
- return;
- case B43_PHYTYPE_G:
- case B43_PHYTYPE_N:
- case B43_PHYTYPE_LP:
- case B43_PHYTYPE_HT:
- case B43_PHYTYPE_LCN:
- *have_2ghz_phy = true;
- *have_5ghz_phy = false;
- return;
- }
-
- B43_WARN_ON(1);
-}
-
-static int b43_wireless_core_attach(struct b43_wldev *dev)
-{
- struct b43_wl *wl = dev->wl;
- struct b43_phy *phy = &dev->phy;
- int err;
- u32 tmp;
- bool have_2ghz_phy = false, have_5ghz_phy = false;
-
- /* 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.
- */
-
- err = b43_bus_powerup(dev, 0);
- if (err) {
- b43err(wl, "Bus powerup failed\n");
- goto out;
- }
-
- phy->do_full_init = true;
-
- /* Try to guess supported bands for the first init needs */
- switch (dev->dev->bus_type) {
-#ifdef CONFIG_B43_BCMA
- case B43_BUS_BCMA:
- tmp = bcma_aread32(dev->dev->bdev, BCMA_IOST);
- have_2ghz_phy = !!(tmp & B43_BCMA_IOST_2G_PHY);
- have_5ghz_phy = !!(tmp & B43_BCMA_IOST_5G_PHY);
- break;
-#endif
-#ifdef CONFIG_B43_SSB
- case B43_BUS_SSB:
- if (dev->dev->core_rev >= 5) {
- tmp = ssb_read32(dev->dev->sdev, SSB_TMSHIGH);
- have_2ghz_phy = !!(tmp & B43_TMSHIGH_HAVE_2GHZ_PHY);
- have_5ghz_phy = !!(tmp & B43_TMSHIGH_HAVE_5GHZ_PHY);
- } else
- B43_WARN_ON(1);
- break;
-#endif
- }
-
- dev->phy.gmode = have_2ghz_phy;
- b43_wireless_core_reset(dev, dev->phy.gmode);
-
- /* Get the PHY type. */
- err = b43_phy_versioning(dev);
- if (err)
- goto err_powerdown;
-
- /* Get real info about supported bands */
- b43_supported_bands(dev, &have_2ghz_phy, &have_5ghz_phy);
-
- /* We don't support 5 GHz on some PHYs yet */
- if (have_5ghz_phy) {
- switch (dev->phy.type) {
- case B43_PHYTYPE_A:
- case B43_PHYTYPE_G:
- case B43_PHYTYPE_LP:
- case B43_PHYTYPE_HT:
- b43warn(wl, "5 GHz band is unsupported on this PHY\n");
- have_5ghz_phy = false;
- }
- }
-
- if (!have_2ghz_phy && !have_5ghz_phy) {
- b43err(wl, "b43 can't support any band on this device\n");
- err = -EOPNOTSUPP;
- goto err_powerdown;
- }
-
- err = b43_phy_allocate(dev);
- if (err)
- goto err_powerdown;
-
- dev->phy.gmode = have_2ghz_phy;
- b43_wireless_core_reset(dev, dev->phy.gmode);
-
- err = b43_validate_chipaccess(dev);
- if (err)
- goto err_phy_free;
- err = b43_setup_bands(dev, have_2ghz_phy, have_5ghz_phy);
- if (err)
- goto err_phy_free;
-
- /* Now set some default "current_dev" */
- if (!wl->current_dev)
- wl->current_dev = dev;
- INIT_WORK(&dev->restart_work, b43_chip_reset);
-
- dev->phy.ops->switch_analog(dev, 0);
- b43_device_disable(dev, 0);
- b43_bus_may_powerdown(dev);
-
-out:
- return err;
-
-err_phy_free:
- b43_phy_free(dev);
-err_powerdown:
- b43_bus_may_powerdown(dev);
- return err;
-}
-
-static void b43_one_core_detach(struct b43_bus_dev *dev)
-{
- struct b43_wldev *wldev;
- struct b43_wl *wl;
-
- /* Do not cancel ieee80211-workqueue based work here.
- * See comment in b43_remove(). */
-
- wldev = b43_bus_get_wldev(dev);
- wl = wldev->wl;
- b43_debugfs_remove_device(wldev);
- b43_wireless_core_detach(wldev);
- list_del(&wldev->list);
- b43_bus_set_wldev(dev, NULL);
- kfree(wldev);
-}
-
-static int b43_one_core_attach(struct b43_bus_dev *dev, struct b43_wl *wl)
-{
- struct b43_wldev *wldev;
- int err = -ENOMEM;
-
- wldev = kzalloc(sizeof(*wldev), GFP_KERNEL);
- if (!wldev)
- goto out;
-
- wldev->use_pio = b43_modparam_pio;
- wldev->dev = dev;
- wldev->wl = wl;
- b43_set_status(wldev, B43_STAT_UNINIT);
- wldev->bad_frames_preempt = modparam_bad_frames_preempt;
- INIT_LIST_HEAD(&wldev->list);
-
- err = b43_wireless_core_attach(wldev);
- if (err)
- goto err_kfree_wldev;
-
- b43_bus_set_wldev(dev, wldev);
- b43_debugfs_add_device(wldev);
-
- out:
- return err;
-
- err_kfree_wldev:
- kfree(wldev);
- return err;
-}
-
-#define IS_PDEV(pdev, _vendor, _device, _subvendor, _subdevice) ( \
- (pdev->vendor == PCI_VENDOR_ID_##_vendor) && \
- (pdev->device == _device) && \
- (pdev->subsystem_vendor == PCI_VENDOR_ID_##_subvendor) && \
- (pdev->subsystem_device == _subdevice) )
-
-#ifdef CONFIG_B43_SSB
-static void b43_sprom_fixup(struct ssb_bus *bus)
-{
- struct pci_dev *pdev;
-
- /* boardflags workarounds */
- if (bus->boardinfo.vendor == SSB_BOARDVENDOR_DELL &&
- bus->chip_id == 0x4301 && bus->sprom.board_rev == 0x74)
- bus->sprom.boardflags_lo |= B43_BFL_BTCOEXIST;
- if (bus->boardinfo.vendor == PCI_VENDOR_ID_APPLE &&
- bus->boardinfo.type == 0x4E && bus->sprom.board_rev > 0x40)
- bus->sprom.boardflags_lo |= B43_BFL_PACTRL;
- if (bus->bustype == SSB_BUSTYPE_PCI) {
- pdev = bus->host_pci;
- if (IS_PDEV(pdev, BROADCOM, 0x4318, ASUSTEK, 0x100F) ||
- IS_PDEV(pdev, BROADCOM, 0x4320, DELL, 0x0003) ||
- IS_PDEV(pdev, BROADCOM, 0x4320, HP, 0x12f8) ||
- IS_PDEV(pdev, BROADCOM, 0x4320, LINKSYS, 0x0015) ||
- IS_PDEV(pdev, BROADCOM, 0x4320, LINKSYS, 0x0014) ||
- IS_PDEV(pdev, BROADCOM, 0x4320, LINKSYS, 0x0013) ||
- IS_PDEV(pdev, BROADCOM, 0x4320, MOTOROLA, 0x7010))
- bus->sprom.boardflags_lo &= ~B43_BFL_BTCOEXIST;
- }
-}
-
-static void b43_wireless_exit(struct b43_bus_dev *dev, struct b43_wl *wl)
-{
- struct ieee80211_hw *hw = wl->hw;
-
- ssb_set_devtypedata(dev->sdev, NULL);
- ieee80211_free_hw(hw);
-}
-#endif
-
-static struct b43_wl *b43_wireless_init(struct b43_bus_dev *dev)
-{
- struct ssb_sprom *sprom = dev->bus_sprom;
- struct ieee80211_hw *hw;
- struct b43_wl *wl;
- char chip_name[6];
- int queue_num;
-
- hw = ieee80211_alloc_hw(sizeof(*wl), &b43_hw_ops);
- if (!hw) {
- b43err(NULL, "Could not allocate ieee80211 device\n");
- return ERR_PTR(-ENOMEM);
- }
- wl = hw_to_b43_wl(hw);
-
- /* fill hw info */
- ieee80211_hw_set(hw, RX_INCLUDES_FCS);
- ieee80211_hw_set(hw, SIGNAL_DBM);
-
- hw->wiphy->interface_modes =
- BIT(NL80211_IFTYPE_AP) |
- BIT(NL80211_IFTYPE_MESH_POINT) |
- BIT(NL80211_IFTYPE_STATION) |
- BIT(NL80211_IFTYPE_WDS) |
- BIT(NL80211_IFTYPE_ADHOC);
-
- hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
-
- wl->hw_registred = false;
- hw->max_rates = 2;
- SET_IEEE80211_DEV(hw, dev->dev);
- if (is_valid_ether_addr(sprom->et1mac))
- SET_IEEE80211_PERM_ADDR(hw, sprom->et1mac);
- else
- SET_IEEE80211_PERM_ADDR(hw, sprom->il0mac);
-
- /* Initialize struct b43_wl */
- wl->hw = hw;
- mutex_init(&wl->mutex);
- spin_lock_init(&wl->hardirq_lock);
- spin_lock_init(&wl->beacon_lock);
- INIT_WORK(&wl->beacon_update_trigger, b43_beacon_update_trigger_work);
- INIT_WORK(&wl->txpower_adjust_work, b43_phy_txpower_adjust_work);
- INIT_WORK(&wl->tx_work, b43_tx_work);
-
- /* Initialize queues and flags. */
- for (queue_num = 0; queue_num < B43_QOS_QUEUE_NUM; queue_num++) {
- skb_queue_head_init(&wl->tx_queue[queue_num]);
- wl->tx_queue_stopped[queue_num] = 0;
- }
-
- snprintf(chip_name, ARRAY_SIZE(chip_name),
- (dev->chip_id > 0x9999) ? "%d" : "%04X", dev->chip_id);
- b43info(wl, "Broadcom %s WLAN found (core revision %u)\n", chip_name,
- dev->core_rev);
- return wl;
-}
-
-#ifdef CONFIG_B43_BCMA
-static int b43_bcma_probe(struct bcma_device *core)
-{
- struct b43_bus_dev *dev;
- struct b43_wl *wl;
- int err;
-
- if (!modparam_allhwsupport &&
- (core->id.rev == 0x17 || core->id.rev == 0x18)) {
- pr_err("Support for cores revisions 0x17 and 0x18 disabled by module param allhwsupport=0. Try b43.allhwsupport=1\n");
- return -ENOTSUPP;
- }
-
- dev = b43_bus_dev_bcma_init(core);
- if (!dev)
- return -ENODEV;
-
- wl = b43_wireless_init(dev);
- if (IS_ERR(wl)) {
- err = PTR_ERR(wl);
- goto bcma_out;
- }
-
- err = b43_one_core_attach(dev, wl);
- if (err)
- goto bcma_err_wireless_exit;
-
- /* setup and start work to load firmware */
- INIT_WORK(&wl->firmware_load, b43_request_firmware);
- schedule_work(&wl->firmware_load);
-
-bcma_out:
- return err;
-
-bcma_err_wireless_exit:
- ieee80211_free_hw(wl->hw);
- return err;
-}
-
-static void b43_bcma_remove(struct bcma_device *core)
-{
- struct b43_wldev *wldev = bcma_get_drvdata(core);
- struct b43_wl *wl = wldev->wl;
-
- /* We must cancel any work here before unregistering from ieee80211,
- * as the ieee80211 unreg will destroy the workqueue. */
- cancel_work_sync(&wldev->restart_work);
- cancel_work_sync(&wl->firmware_load);
-
- B43_WARN_ON(!wl);
- if (!wldev->fw.ucode.data)
- return; /* NULL if firmware never loaded */
- if (wl->current_dev == wldev && wl->hw_registred) {
- b43_leds_stop(wldev);
- ieee80211_unregister_hw(wl->hw);
- }
-
- b43_one_core_detach(wldev->dev);
-
- /* Unregister HW RNG driver */
- b43_rng_exit(wl);
-
- b43_leds_unregister(wl);
-
- ieee80211_free_hw(wl->hw);
-}
-
-static struct bcma_driver b43_bcma_driver = {
- .name = KBUILD_MODNAME,
- .id_table = b43_bcma_tbl,
- .probe = b43_bcma_probe,
- .remove = b43_bcma_remove,
-};
-#endif
-
-#ifdef CONFIG_B43_SSB
-static
-int b43_ssb_probe(struct ssb_device *sdev, const struct ssb_device_id *id)
-{
- struct b43_bus_dev *dev;
- struct b43_wl *wl;
- int err;
-
- dev = b43_bus_dev_ssb_init(sdev);
- if (!dev)
- return -ENOMEM;
-
- wl = ssb_get_devtypedata(sdev);
- if (wl) {
- b43err(NULL, "Dual-core devices are not supported\n");
- err = -ENOTSUPP;
- goto err_ssb_kfree_dev;
- }
-
- b43_sprom_fixup(sdev->bus);
-
- wl = b43_wireless_init(dev);
- if (IS_ERR(wl)) {
- err = PTR_ERR(wl);
- goto err_ssb_kfree_dev;
- }
- ssb_set_devtypedata(sdev, wl);
- B43_WARN_ON(ssb_get_devtypedata(sdev) != wl);
-
- err = b43_one_core_attach(dev, wl);
- if (err)
- goto err_ssb_wireless_exit;
-
- /* setup and start work to load firmware */
- INIT_WORK(&wl->firmware_load, b43_request_firmware);
- schedule_work(&wl->firmware_load);
-
- return err;
-
-err_ssb_wireless_exit:
- b43_wireless_exit(dev, wl);
-err_ssb_kfree_dev:
- kfree(dev);
- return err;
-}
-
-static void b43_ssb_remove(struct ssb_device *sdev)
-{
- struct b43_wl *wl = ssb_get_devtypedata(sdev);
- struct b43_wldev *wldev = ssb_get_drvdata(sdev);
- struct b43_bus_dev *dev = wldev->dev;
-
- /* We must cancel any work here before unregistering from ieee80211,
- * as the ieee80211 unreg will destroy the workqueue. */
- cancel_work_sync(&wldev->restart_work);
- cancel_work_sync(&wl->firmware_load);
-
- B43_WARN_ON(!wl);
- if (!wldev->fw.ucode.data)
- return; /* NULL if firmware never loaded */
- if (wl->current_dev == wldev && wl->hw_registred) {
- b43_leds_stop(wldev);
- ieee80211_unregister_hw(wl->hw);
- }
-
- b43_one_core_detach(dev);
-
- /* Unregister HW RNG driver */
- b43_rng_exit(wl);
-
- b43_leds_unregister(wl);
- b43_wireless_exit(dev, wl);
-}
-
-static struct ssb_driver b43_ssb_driver = {
- .name = KBUILD_MODNAME,
- .id_table = b43_ssb_tbl,
- .probe = b43_ssb_probe,
- .remove = b43_ssb_remove,
-};
-#endif /* CONFIG_B43_SSB */
-
-/* Perform a hardware reset. This can be called from any context. */
-void b43_controller_restart(struct b43_wldev *dev, const char *reason)
-{
- /* Must avoid requeueing, if we are in shutdown. */
- if (b43_status(dev) < B43_STAT_INITIALIZED)
- return;
- b43info(dev->wl, "Controller RESET (%s) ...\n", reason);
- ieee80211_queue_work(dev->wl->hw, &dev->restart_work);
-}
-
-static void b43_print_driverinfo(void)
-{
- const char *feat_pci = "", *feat_pcmcia = "", *feat_nphy = "",
- *feat_leds = "", *feat_sdio = "";
-
-#ifdef CONFIG_B43_PCI_AUTOSELECT
- feat_pci = "P";
-#endif
-#ifdef CONFIG_B43_PCMCIA
- feat_pcmcia = "M";
-#endif
-#ifdef CONFIG_B43_PHY_N
- feat_nphy = "N";
-#endif
-#ifdef CONFIG_B43_LEDS
- feat_leds = "L";
-#endif
-#ifdef CONFIG_B43_SDIO
- feat_sdio = "S";
-#endif
- printk(KERN_INFO "Broadcom 43xx driver loaded "
- "[ Features: %s%s%s%s%s ]\n",
- feat_pci, feat_pcmcia, feat_nphy,
- feat_leds, feat_sdio);
-}
-
-static int __init b43_init(void)
-{
- int err;
-
- b43_debugfs_init();
- err = b43_sdio_init();
- if (err)
- goto err_dfs_exit;
-#ifdef CONFIG_B43_BCMA
- err = bcma_driver_register(&b43_bcma_driver);
- if (err)
- goto err_sdio_exit;
-#endif
-#ifdef CONFIG_B43_SSB
- err = ssb_driver_register(&b43_ssb_driver);
- if (err)
- goto err_bcma_driver_exit;
-#endif
- b43_print_driverinfo();
-
- return err;
-
-#ifdef CONFIG_B43_SSB
-err_bcma_driver_exit:
-#endif
-#ifdef CONFIG_B43_BCMA
- bcma_driver_unregister(&b43_bcma_driver);
-err_sdio_exit:
-#endif
- b43_sdio_exit();
-err_dfs_exit:
- b43_debugfs_exit();
- return err;
-}
-
-static void __exit b43_exit(void)
-{
-#ifdef CONFIG_B43_SSB
- ssb_driver_unregister(&b43_ssb_driver);
-#endif
-#ifdef CONFIG_B43_BCMA
- bcma_driver_unregister(&b43_bcma_driver);
-#endif
- b43_sdio_exit();
- b43_debugfs_exit();
-}
-
-module_init(b43_init)
-module_exit(b43_exit)