47c93d2faf
The CONFIG_BCM947XX configuration variable was designed for use by the embedded device used by the OpenWRT project. The device has been shifted to the ssb driver in bcm43xx-mac80211 and will not be used with SoftMAC. Accordingly, this "dead" configuration variable is removed. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
4273 lines
116 KiB
C
4273 lines
116 KiB
C
/*
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Broadcom BCM43xx wireless driver
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Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
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Stefano Brivio <st3@riseup.net>
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Michael Buesch <mbuesch@freenet.de>
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Danny van Dyk <kugelfang@gentoo.org>
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Andreas Jaggi <andreas.jaggi@waterwave.ch>
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Some parts of the code in this file are derived from the ipw2200
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driver Copyright(c) 2003 - 2004 Intel Corporation.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include <linux/delay.h>
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#include <linux/init.h>
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#include <linux/moduleparam.h>
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#include <linux/if_arp.h>
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#include <linux/etherdevice.h>
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#include <linux/version.h>
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#include <linux/firmware.h>
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#include <linux/wireless.h>
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#include <linux/workqueue.h>
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#include <linux/skbuff.h>
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#include <linux/dma-mapping.h>
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#include <net/iw_handler.h>
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#include "bcm43xx.h"
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#include "bcm43xx_main.h"
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#include "bcm43xx_debugfs.h"
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#include "bcm43xx_radio.h"
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#include "bcm43xx_phy.h"
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#include "bcm43xx_dma.h"
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#include "bcm43xx_pio.h"
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#include "bcm43xx_power.h"
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#include "bcm43xx_wx.h"
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#include "bcm43xx_ethtool.h"
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#include "bcm43xx_xmit.h"
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#include "bcm43xx_sysfs.h"
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MODULE_DESCRIPTION("Broadcom BCM43xx wireless driver");
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MODULE_AUTHOR("Martin Langer");
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MODULE_AUTHOR("Stefano Brivio");
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MODULE_AUTHOR("Michael Buesch");
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MODULE_LICENSE("GPL");
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#if defined(CONFIG_BCM43XX_DMA) && defined(CONFIG_BCM43XX_PIO)
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static int modparam_pio;
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module_param_named(pio, modparam_pio, int, 0444);
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MODULE_PARM_DESC(pio, "enable(1) / disable(0) PIO mode");
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#elif defined(CONFIG_BCM43XX_DMA)
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# define modparam_pio 0
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#elif defined(CONFIG_BCM43XX_PIO)
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# define modparam_pio 1
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#endif
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static int modparam_bad_frames_preempt;
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module_param_named(bad_frames_preempt, modparam_bad_frames_preempt, int, 0444);
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MODULE_PARM_DESC(bad_frames_preempt, "enable(1) / disable(0) Bad Frames Preemption");
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static int modparam_short_retry = BCM43xx_DEFAULT_SHORT_RETRY_LIMIT;
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module_param_named(short_retry, modparam_short_retry, int, 0444);
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MODULE_PARM_DESC(short_retry, "Short-Retry-Limit (0 - 15)");
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static int modparam_long_retry = BCM43xx_DEFAULT_LONG_RETRY_LIMIT;
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module_param_named(long_retry, modparam_long_retry, int, 0444);
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MODULE_PARM_DESC(long_retry, "Long-Retry-Limit (0 - 15)");
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static int modparam_locale = -1;
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module_param_named(locale, modparam_locale, int, 0444);
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MODULE_PARM_DESC(country, "Select LocaleCode 0-11 (For travelers)");
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static int modparam_noleds;
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module_param_named(noleds, modparam_noleds, int, 0444);
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MODULE_PARM_DESC(noleds, "Turn off all LED activity");
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static char modparam_fwpostfix[64];
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module_param_string(fwpostfix, modparam_fwpostfix, 64, 0444);
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MODULE_PARM_DESC(fwpostfix, "Postfix for .fw files. Useful for using multiple firmware image versions.");
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/* If you want to debug with just a single device, enable this,
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* where the string is the pci device ID (as given by the kernel's
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* pci_name function) of the device to be used.
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*/
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//#define DEBUG_SINGLE_DEVICE_ONLY "0001:11:00.0"
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/* If you want to enable printing of each MMIO access, enable this. */
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//#define DEBUG_ENABLE_MMIO_PRINT
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/* If you want to enable printing of MMIO access within
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* ucode/pcm upload, initvals write, enable this.
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*/
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//#define DEBUG_ENABLE_UCODE_MMIO_PRINT
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/* If you want to enable printing of PCI Config Space access, enable this */
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//#define DEBUG_ENABLE_PCILOG
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/* Detailed list maintained at:
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* http://openfacts.berlios.de/index-en.phtml?title=Bcm43xxDevices
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*/
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static struct pci_device_id bcm43xx_pci_tbl[] = {
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/* Broadcom 4303 802.11b */
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{ PCI_VENDOR_ID_BROADCOM, 0x4301, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
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/* Broadcom 4307 802.11b */
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{ PCI_VENDOR_ID_BROADCOM, 0x4307, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
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/* Broadcom 4311 802.11(a)/b/g */
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{ PCI_VENDOR_ID_BROADCOM, 0x4311, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
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/* Broadcom 4312 802.11a/b/g */
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{ PCI_VENDOR_ID_BROADCOM, 0x4312, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
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/* Broadcom 4318 802.11b/g */
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{ PCI_VENDOR_ID_BROADCOM, 0x4318, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
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/* Broadcom 4319 802.11a/b/g */
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{ PCI_VENDOR_ID_BROADCOM, 0x4319, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
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/* Broadcom 4306 802.11b/g */
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{ PCI_VENDOR_ID_BROADCOM, 0x4320, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
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/* Broadcom 4306 802.11a */
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// { PCI_VENDOR_ID_BROADCOM, 0x4321, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
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/* Broadcom 4309 802.11a/b/g */
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{ PCI_VENDOR_ID_BROADCOM, 0x4324, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
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/* Broadcom 43XG 802.11b/g */
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{ PCI_VENDOR_ID_BROADCOM, 0x4325, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
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{ 0 },
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};
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MODULE_DEVICE_TABLE(pci, bcm43xx_pci_tbl);
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static void bcm43xx_ram_write(struct bcm43xx_private *bcm, u16 offset, u32 val)
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{
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u32 status;
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status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
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if (!(status & BCM43xx_SBF_XFER_REG_BYTESWAP))
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val = swab32(val);
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bcm43xx_write32(bcm, BCM43xx_MMIO_RAM_CONTROL, offset);
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mmiowb();
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bcm43xx_write32(bcm, BCM43xx_MMIO_RAM_DATA, val);
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}
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static inline
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void bcm43xx_shm_control_word(struct bcm43xx_private *bcm,
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u16 routing, u16 offset)
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{
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u32 control;
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/* "offset" is the WORD offset. */
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control = routing;
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control <<= 16;
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control |= offset;
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bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_CONTROL, control);
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}
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u32 bcm43xx_shm_read32(struct bcm43xx_private *bcm,
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u16 routing, u16 offset)
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{
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u32 ret;
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if (routing == BCM43xx_SHM_SHARED) {
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if (offset & 0x0003) {
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/* Unaligned access */
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bcm43xx_shm_control_word(bcm, routing, offset >> 2);
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ret = bcm43xx_read16(bcm, BCM43xx_MMIO_SHM_DATA_UNALIGNED);
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ret <<= 16;
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bcm43xx_shm_control_word(bcm, routing, (offset >> 2) + 1);
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ret |= bcm43xx_read16(bcm, BCM43xx_MMIO_SHM_DATA);
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return ret;
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}
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offset >>= 2;
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}
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bcm43xx_shm_control_word(bcm, routing, offset);
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ret = bcm43xx_read32(bcm, BCM43xx_MMIO_SHM_DATA);
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return ret;
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}
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u16 bcm43xx_shm_read16(struct bcm43xx_private *bcm,
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u16 routing, u16 offset)
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{
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u16 ret;
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if (routing == BCM43xx_SHM_SHARED) {
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if (offset & 0x0003) {
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/* Unaligned access */
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bcm43xx_shm_control_word(bcm, routing, offset >> 2);
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ret = bcm43xx_read16(bcm, BCM43xx_MMIO_SHM_DATA_UNALIGNED);
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return ret;
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}
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offset >>= 2;
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}
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bcm43xx_shm_control_word(bcm, routing, offset);
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ret = bcm43xx_read16(bcm, BCM43xx_MMIO_SHM_DATA);
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return ret;
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}
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void bcm43xx_shm_write32(struct bcm43xx_private *bcm,
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u16 routing, u16 offset,
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u32 value)
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{
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if (routing == BCM43xx_SHM_SHARED) {
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if (offset & 0x0003) {
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/* Unaligned access */
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bcm43xx_shm_control_word(bcm, routing, offset >> 2);
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mmiowb();
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bcm43xx_write16(bcm, BCM43xx_MMIO_SHM_DATA_UNALIGNED,
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(value >> 16) & 0xffff);
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mmiowb();
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bcm43xx_shm_control_word(bcm, routing, (offset >> 2) + 1);
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mmiowb();
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bcm43xx_write16(bcm, BCM43xx_MMIO_SHM_DATA,
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value & 0xffff);
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return;
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}
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offset >>= 2;
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}
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bcm43xx_shm_control_word(bcm, routing, offset);
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mmiowb();
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bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_DATA, value);
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}
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void bcm43xx_shm_write16(struct bcm43xx_private *bcm,
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u16 routing, u16 offset,
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u16 value)
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{
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if (routing == BCM43xx_SHM_SHARED) {
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if (offset & 0x0003) {
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/* Unaligned access */
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bcm43xx_shm_control_word(bcm, routing, offset >> 2);
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mmiowb();
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bcm43xx_write16(bcm, BCM43xx_MMIO_SHM_DATA_UNALIGNED,
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value);
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return;
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}
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offset >>= 2;
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}
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bcm43xx_shm_control_word(bcm, routing, offset);
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mmiowb();
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bcm43xx_write16(bcm, BCM43xx_MMIO_SHM_DATA, value);
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}
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void bcm43xx_tsf_read(struct bcm43xx_private *bcm, u64 *tsf)
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{
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/* We need to be careful. As we read the TSF from multiple
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* registers, we should take care of register overflows.
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* In theory, the whole tsf read process should be atomic.
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* We try to be atomic here, by restaring the read process,
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* if any of the high registers changed (overflew).
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*/
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if (bcm->current_core->rev >= 3) {
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u32 low, high, high2;
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do {
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high = bcm43xx_read32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_HIGH);
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low = bcm43xx_read32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_LOW);
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high2 = bcm43xx_read32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_HIGH);
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} while (unlikely(high != high2));
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*tsf = high;
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*tsf <<= 32;
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*tsf |= low;
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} else {
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u64 tmp;
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u16 v0, v1, v2, v3;
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u16 test1, test2, test3;
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do {
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v3 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_3);
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v2 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_2);
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v1 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_1);
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v0 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_0);
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test3 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_3);
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test2 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_2);
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test1 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_1);
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} while (v3 != test3 || v2 != test2 || v1 != test1);
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*tsf = v3;
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*tsf <<= 48;
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tmp = v2;
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tmp <<= 32;
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*tsf |= tmp;
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tmp = v1;
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tmp <<= 16;
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*tsf |= tmp;
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*tsf |= v0;
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}
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}
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void bcm43xx_tsf_write(struct bcm43xx_private *bcm, u64 tsf)
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{
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u32 status;
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status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
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status |= BCM43xx_SBF_TIME_UPDATE;
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bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status);
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mmiowb();
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/* Be careful with the in-progress timer.
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* First zero out the low register, so we have a full
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* register-overflow duration to complete the operation.
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*/
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if (bcm->current_core->rev >= 3) {
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u32 lo = (tsf & 0x00000000FFFFFFFFULL);
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u32 hi = (tsf & 0xFFFFFFFF00000000ULL) >> 32;
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bcm43xx_write32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_LOW, 0);
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mmiowb();
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bcm43xx_write32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_HIGH, hi);
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mmiowb();
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bcm43xx_write32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_LOW, lo);
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} else {
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u16 v0 = (tsf & 0x000000000000FFFFULL);
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u16 v1 = (tsf & 0x00000000FFFF0000ULL) >> 16;
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u16 v2 = (tsf & 0x0000FFFF00000000ULL) >> 32;
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u16 v3 = (tsf & 0xFFFF000000000000ULL) >> 48;
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bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_0, 0);
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mmiowb();
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bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_3, v3);
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mmiowb();
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bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_2, v2);
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mmiowb();
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bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_1, v1);
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mmiowb();
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bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_0, v0);
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}
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status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
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status &= ~BCM43xx_SBF_TIME_UPDATE;
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bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status);
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}
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static
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void bcm43xx_macfilter_set(struct bcm43xx_private *bcm,
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u16 offset,
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const u8 *mac)
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{
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u16 data;
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offset |= 0x0020;
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bcm43xx_write16(bcm, BCM43xx_MMIO_MACFILTER_CONTROL, offset);
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data = mac[0];
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data |= mac[1] << 8;
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bcm43xx_write16(bcm, BCM43xx_MMIO_MACFILTER_DATA, data);
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data = mac[2];
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data |= mac[3] << 8;
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bcm43xx_write16(bcm, BCM43xx_MMIO_MACFILTER_DATA, data);
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data = mac[4];
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data |= mac[5] << 8;
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bcm43xx_write16(bcm, BCM43xx_MMIO_MACFILTER_DATA, data);
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}
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static void bcm43xx_macfilter_clear(struct bcm43xx_private *bcm,
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u16 offset)
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{
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const u8 zero_addr[ETH_ALEN] = { 0 };
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bcm43xx_macfilter_set(bcm, offset, zero_addr);
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}
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static void bcm43xx_write_mac_bssid_templates(struct bcm43xx_private *bcm)
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{
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const u8 *mac = (const u8 *)(bcm->net_dev->dev_addr);
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const u8 *bssid = (const u8 *)(bcm->ieee->bssid);
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u8 mac_bssid[ETH_ALEN * 2];
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int i;
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memcpy(mac_bssid, mac, ETH_ALEN);
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memcpy(mac_bssid + ETH_ALEN, bssid, ETH_ALEN);
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/* Write our MAC address and BSSID to template ram */
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for (i = 0; i < ARRAY_SIZE(mac_bssid); i += sizeof(u32))
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bcm43xx_ram_write(bcm, 0x20 + i, *((u32 *)(mac_bssid + i)));
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for (i = 0; i < ARRAY_SIZE(mac_bssid); i += sizeof(u32))
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bcm43xx_ram_write(bcm, 0x78 + i, *((u32 *)(mac_bssid + i)));
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for (i = 0; i < ARRAY_SIZE(mac_bssid); i += sizeof(u32))
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bcm43xx_ram_write(bcm, 0x478 + i, *((u32 *)(mac_bssid + i)));
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}
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//FIXME: Well, we should probably call them from somewhere.
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#if 0
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static void bcm43xx_set_slot_time(struct bcm43xx_private *bcm, u16 slot_time)
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{
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/* slot_time is in usec. */
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if (bcm43xx_current_phy(bcm)->type != BCM43xx_PHYTYPE_G)
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return;
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bcm43xx_write16(bcm, 0x684, 510 + slot_time);
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bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0010, slot_time);
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}
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static void bcm43xx_short_slot_timing_enable(struct bcm43xx_private *bcm)
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{
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bcm43xx_set_slot_time(bcm, 9);
|
|
}
|
|
|
|
static void bcm43xx_short_slot_timing_disable(struct bcm43xx_private *bcm)
|
|
{
|
|
bcm43xx_set_slot_time(bcm, 20);
|
|
}
|
|
#endif
|
|
|
|
/* FIXME: To get the MAC-filter working, we need to implement the
|
|
* following functions (and rename them :)
|
|
*/
|
|
#if 0
|
|
static void bcm43xx_disassociate(struct bcm43xx_private *bcm)
|
|
{
|
|
bcm43xx_mac_suspend(bcm);
|
|
bcm43xx_macfilter_clear(bcm, BCM43xx_MACFILTER_ASSOC);
|
|
|
|
bcm43xx_ram_write(bcm, 0x0026, 0x0000);
|
|
bcm43xx_ram_write(bcm, 0x0028, 0x0000);
|
|
bcm43xx_ram_write(bcm, 0x007E, 0x0000);
|
|
bcm43xx_ram_write(bcm, 0x0080, 0x0000);
|
|
bcm43xx_ram_write(bcm, 0x047E, 0x0000);
|
|
bcm43xx_ram_write(bcm, 0x0480, 0x0000);
|
|
|
|
if (bcm->current_core->rev < 3) {
|
|
bcm43xx_write16(bcm, 0x0610, 0x8000);
|
|
bcm43xx_write16(bcm, 0x060E, 0x0000);
|
|
} else
|
|
bcm43xx_write32(bcm, 0x0188, 0x80000000);
|
|
|
|
bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0004, 0x000003ff);
|
|
|
|
if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_G &&
|
|
ieee80211_is_ofdm_rate(bcm->softmac->txrates.default_rate))
|
|
bcm43xx_short_slot_timing_enable(bcm);
|
|
|
|
bcm43xx_mac_enable(bcm);
|
|
}
|
|
|
|
static void bcm43xx_associate(struct bcm43xx_private *bcm,
|
|
const u8 *mac)
|
|
{
|
|
memcpy(bcm->ieee->bssid, mac, ETH_ALEN);
|
|
|
|
bcm43xx_mac_suspend(bcm);
|
|
bcm43xx_macfilter_set(bcm, BCM43xx_MACFILTER_ASSOC, mac);
|
|
bcm43xx_write_mac_bssid_templates(bcm);
|
|
bcm43xx_mac_enable(bcm);
|
|
}
|
|
#endif
|
|
|
|
/* Enable a Generic IRQ. "mask" is the mask of which IRQs to enable.
|
|
* Returns the _previously_ enabled IRQ mask.
|
|
*/
|
|
static inline u32 bcm43xx_interrupt_enable(struct bcm43xx_private *bcm, u32 mask)
|
|
{
|
|
u32 old_mask;
|
|
|
|
old_mask = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK);
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK, old_mask | mask);
|
|
|
|
return old_mask;
|
|
}
|
|
|
|
/* Disable a Generic IRQ. "mask" is the mask of which IRQs to disable.
|
|
* Returns the _previously_ enabled IRQ mask.
|
|
*/
|
|
static inline u32 bcm43xx_interrupt_disable(struct bcm43xx_private *bcm, u32 mask)
|
|
{
|
|
u32 old_mask;
|
|
|
|
old_mask = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK);
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK, old_mask & ~mask);
|
|
|
|
return old_mask;
|
|
}
|
|
|
|
/* Synchronize IRQ top- and bottom-half.
|
|
* IRQs must be masked before calling this.
|
|
* This must not be called with the irq_lock held.
|
|
*/
|
|
static void bcm43xx_synchronize_irq(struct bcm43xx_private *bcm)
|
|
{
|
|
synchronize_irq(bcm->irq);
|
|
tasklet_disable(&bcm->isr_tasklet);
|
|
}
|
|
|
|
/* Make sure we don't receive more data from the device. */
|
|
static int bcm43xx_disable_interrupts_sync(struct bcm43xx_private *bcm)
|
|
{
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&bcm->irq_lock, flags);
|
|
if (unlikely(bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED)) {
|
|
spin_unlock_irqrestore(&bcm->irq_lock, flags);
|
|
return -EBUSY;
|
|
}
|
|
bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL);
|
|
bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK); /* flush */
|
|
spin_unlock_irqrestore(&bcm->irq_lock, flags);
|
|
bcm43xx_synchronize_irq(bcm);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bcm43xx_read_radioinfo(struct bcm43xx_private *bcm)
|
|
{
|
|
struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
|
|
struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
|
|
u32 radio_id;
|
|
u16 manufact;
|
|
u16 version;
|
|
u8 revision;
|
|
|
|
if (bcm->chip_id == 0x4317) {
|
|
if (bcm->chip_rev == 0x00)
|
|
radio_id = 0x3205017F;
|
|
else if (bcm->chip_rev == 0x01)
|
|
radio_id = 0x4205017F;
|
|
else
|
|
radio_id = 0x5205017F;
|
|
} else {
|
|
bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_CONTROL, BCM43xx_RADIOCTL_ID);
|
|
radio_id = bcm43xx_read16(bcm, BCM43xx_MMIO_RADIO_DATA_HIGH);
|
|
radio_id <<= 16;
|
|
bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_CONTROL, BCM43xx_RADIOCTL_ID);
|
|
radio_id |= bcm43xx_read16(bcm, BCM43xx_MMIO_RADIO_DATA_LOW);
|
|
}
|
|
|
|
manufact = (radio_id & 0x00000FFF);
|
|
version = (radio_id & 0x0FFFF000) >> 12;
|
|
revision = (radio_id & 0xF0000000) >> 28;
|
|
|
|
dprintk(KERN_INFO PFX "Detected Radio: ID: %x (Manuf: %x Ver: %x Rev: %x)\n",
|
|
radio_id, manufact, version, revision);
|
|
|
|
switch (phy->type) {
|
|
case BCM43xx_PHYTYPE_A:
|
|
if ((version != 0x2060) || (revision != 1) || (manufact != 0x17f))
|
|
goto err_unsupported_radio;
|
|
break;
|
|
case BCM43xx_PHYTYPE_B:
|
|
if ((version & 0xFFF0) != 0x2050)
|
|
goto err_unsupported_radio;
|
|
break;
|
|
case BCM43xx_PHYTYPE_G:
|
|
if (version != 0x2050)
|
|
goto err_unsupported_radio;
|
|
break;
|
|
}
|
|
|
|
radio->manufact = manufact;
|
|
radio->version = version;
|
|
radio->revision = revision;
|
|
|
|
if (phy->type == BCM43xx_PHYTYPE_A)
|
|
radio->txpower_desired = bcm->sprom.maxpower_aphy;
|
|
else
|
|
radio->txpower_desired = bcm->sprom.maxpower_bgphy;
|
|
|
|
return 0;
|
|
|
|
err_unsupported_radio:
|
|
printk(KERN_ERR PFX "Unsupported Radio connected to the PHY!\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
static const char * bcm43xx_locale_iso(u8 locale)
|
|
{
|
|
/* ISO 3166-1 country codes.
|
|
* Note that there aren't ISO 3166-1 codes for
|
|
* all or locales. (Not all locales are countries)
|
|
*/
|
|
switch (locale) {
|
|
case BCM43xx_LOCALE_WORLD:
|
|
case BCM43xx_LOCALE_ALL:
|
|
return "XX";
|
|
case BCM43xx_LOCALE_THAILAND:
|
|
return "TH";
|
|
case BCM43xx_LOCALE_ISRAEL:
|
|
return "IL";
|
|
case BCM43xx_LOCALE_JORDAN:
|
|
return "JO";
|
|
case BCM43xx_LOCALE_CHINA:
|
|
return "CN";
|
|
case BCM43xx_LOCALE_JAPAN:
|
|
case BCM43xx_LOCALE_JAPAN_HIGH:
|
|
return "JP";
|
|
case BCM43xx_LOCALE_USA_CANADA_ANZ:
|
|
case BCM43xx_LOCALE_USA_LOW:
|
|
return "US";
|
|
case BCM43xx_LOCALE_EUROPE:
|
|
return "EU";
|
|
case BCM43xx_LOCALE_NONE:
|
|
return " ";
|
|
}
|
|
assert(0);
|
|
return " ";
|
|
}
|
|
|
|
static const char * bcm43xx_locale_string(u8 locale)
|
|
{
|
|
switch (locale) {
|
|
case BCM43xx_LOCALE_WORLD:
|
|
return "World";
|
|
case BCM43xx_LOCALE_THAILAND:
|
|
return "Thailand";
|
|
case BCM43xx_LOCALE_ISRAEL:
|
|
return "Israel";
|
|
case BCM43xx_LOCALE_JORDAN:
|
|
return "Jordan";
|
|
case BCM43xx_LOCALE_CHINA:
|
|
return "China";
|
|
case BCM43xx_LOCALE_JAPAN:
|
|
return "Japan";
|
|
case BCM43xx_LOCALE_USA_CANADA_ANZ:
|
|
return "USA/Canada/ANZ";
|
|
case BCM43xx_LOCALE_EUROPE:
|
|
return "Europe";
|
|
case BCM43xx_LOCALE_USA_LOW:
|
|
return "USAlow";
|
|
case BCM43xx_LOCALE_JAPAN_HIGH:
|
|
return "JapanHigh";
|
|
case BCM43xx_LOCALE_ALL:
|
|
return "All";
|
|
case BCM43xx_LOCALE_NONE:
|
|
return "None";
|
|
}
|
|
assert(0);
|
|
return "";
|
|
}
|
|
|
|
static inline u8 bcm43xx_crc8(u8 crc, u8 data)
|
|
{
|
|
static const u8 t[] = {
|
|
0x00, 0xF7, 0xB9, 0x4E, 0x25, 0xD2, 0x9C, 0x6B,
|
|
0x4A, 0xBD, 0xF3, 0x04, 0x6F, 0x98, 0xD6, 0x21,
|
|
0x94, 0x63, 0x2D, 0xDA, 0xB1, 0x46, 0x08, 0xFF,
|
|
0xDE, 0x29, 0x67, 0x90, 0xFB, 0x0C, 0x42, 0xB5,
|
|
0x7F, 0x88, 0xC6, 0x31, 0x5A, 0xAD, 0xE3, 0x14,
|
|
0x35, 0xC2, 0x8C, 0x7B, 0x10, 0xE7, 0xA9, 0x5E,
|
|
0xEB, 0x1C, 0x52, 0xA5, 0xCE, 0x39, 0x77, 0x80,
|
|
0xA1, 0x56, 0x18, 0xEF, 0x84, 0x73, 0x3D, 0xCA,
|
|
0xFE, 0x09, 0x47, 0xB0, 0xDB, 0x2C, 0x62, 0x95,
|
|
0xB4, 0x43, 0x0D, 0xFA, 0x91, 0x66, 0x28, 0xDF,
|
|
0x6A, 0x9D, 0xD3, 0x24, 0x4F, 0xB8, 0xF6, 0x01,
|
|
0x20, 0xD7, 0x99, 0x6E, 0x05, 0xF2, 0xBC, 0x4B,
|
|
0x81, 0x76, 0x38, 0xCF, 0xA4, 0x53, 0x1D, 0xEA,
|
|
0xCB, 0x3C, 0x72, 0x85, 0xEE, 0x19, 0x57, 0xA0,
|
|
0x15, 0xE2, 0xAC, 0x5B, 0x30, 0xC7, 0x89, 0x7E,
|
|
0x5F, 0xA8, 0xE6, 0x11, 0x7A, 0x8D, 0xC3, 0x34,
|
|
0xAB, 0x5C, 0x12, 0xE5, 0x8E, 0x79, 0x37, 0xC0,
|
|
0xE1, 0x16, 0x58, 0xAF, 0xC4, 0x33, 0x7D, 0x8A,
|
|
0x3F, 0xC8, 0x86, 0x71, 0x1A, 0xED, 0xA3, 0x54,
|
|
0x75, 0x82, 0xCC, 0x3B, 0x50, 0xA7, 0xE9, 0x1E,
|
|
0xD4, 0x23, 0x6D, 0x9A, 0xF1, 0x06, 0x48, 0xBF,
|
|
0x9E, 0x69, 0x27, 0xD0, 0xBB, 0x4C, 0x02, 0xF5,
|
|
0x40, 0xB7, 0xF9, 0x0E, 0x65, 0x92, 0xDC, 0x2B,
|
|
0x0A, 0xFD, 0xB3, 0x44, 0x2F, 0xD8, 0x96, 0x61,
|
|
0x55, 0xA2, 0xEC, 0x1B, 0x70, 0x87, 0xC9, 0x3E,
|
|
0x1F, 0xE8, 0xA6, 0x51, 0x3A, 0xCD, 0x83, 0x74,
|
|
0xC1, 0x36, 0x78, 0x8F, 0xE4, 0x13, 0x5D, 0xAA,
|
|
0x8B, 0x7C, 0x32, 0xC5, 0xAE, 0x59, 0x17, 0xE0,
|
|
0x2A, 0xDD, 0x93, 0x64, 0x0F, 0xF8, 0xB6, 0x41,
|
|
0x60, 0x97, 0xD9, 0x2E, 0x45, 0xB2, 0xFC, 0x0B,
|
|
0xBE, 0x49, 0x07, 0xF0, 0x9B, 0x6C, 0x22, 0xD5,
|
|
0xF4, 0x03, 0x4D, 0xBA, 0xD1, 0x26, 0x68, 0x9F,
|
|
};
|
|
return t[crc ^ data];
|
|
}
|
|
|
|
static u8 bcm43xx_sprom_crc(const u16 *sprom)
|
|
{
|
|
int word;
|
|
u8 crc = 0xFF;
|
|
|
|
for (word = 0; word < BCM43xx_SPROM_SIZE - 1; word++) {
|
|
crc = bcm43xx_crc8(crc, sprom[word] & 0x00FF);
|
|
crc = bcm43xx_crc8(crc, (sprom[word] & 0xFF00) >> 8);
|
|
}
|
|
crc = bcm43xx_crc8(crc, sprom[BCM43xx_SPROM_VERSION] & 0x00FF);
|
|
crc ^= 0xFF;
|
|
|
|
return crc;
|
|
}
|
|
|
|
int bcm43xx_sprom_read(struct bcm43xx_private *bcm, u16 *sprom)
|
|
{
|
|
int i;
|
|
u8 crc, expected_crc;
|
|
|
|
for (i = 0; i < BCM43xx_SPROM_SIZE; i++)
|
|
sprom[i] = bcm43xx_read16(bcm, BCM43xx_SPROM_BASE + (i * 2));
|
|
/* CRC-8 check. */
|
|
crc = bcm43xx_sprom_crc(sprom);
|
|
expected_crc = (sprom[BCM43xx_SPROM_VERSION] & 0xFF00) >> 8;
|
|
if (crc != expected_crc) {
|
|
printk(KERN_WARNING PFX "WARNING: Invalid SPROM checksum "
|
|
"(0x%02X, expected: 0x%02X)\n",
|
|
crc, expected_crc);
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int bcm43xx_sprom_write(struct bcm43xx_private *bcm, const u16 *sprom)
|
|
{
|
|
int i, err;
|
|
u8 crc, expected_crc;
|
|
u32 spromctl;
|
|
|
|
/* CRC-8 validation of the input data. */
|
|
crc = bcm43xx_sprom_crc(sprom);
|
|
expected_crc = (sprom[BCM43xx_SPROM_VERSION] & 0xFF00) >> 8;
|
|
if (crc != expected_crc) {
|
|
printk(KERN_ERR PFX "SPROM input data: Invalid CRC\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
printk(KERN_INFO PFX "Writing SPROM. Do NOT turn off the power! Please stand by...\n");
|
|
err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCICFG_SPROMCTL, &spromctl);
|
|
if (err)
|
|
goto err_ctlreg;
|
|
spromctl |= 0x10; /* SPROM WRITE enable. */
|
|
err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_SPROMCTL, spromctl);
|
|
if (err)
|
|
goto err_ctlreg;
|
|
/* We must burn lots of CPU cycles here, but that does not
|
|
* really matter as one does not write the SPROM every other minute...
|
|
*/
|
|
printk(KERN_INFO PFX "[ 0%%");
|
|
mdelay(500);
|
|
for (i = 0; i < BCM43xx_SPROM_SIZE; i++) {
|
|
if (i == 16)
|
|
printk("25%%");
|
|
else if (i == 32)
|
|
printk("50%%");
|
|
else if (i == 48)
|
|
printk("75%%");
|
|
else if (i % 2)
|
|
printk(".");
|
|
bcm43xx_write16(bcm, BCM43xx_SPROM_BASE + (i * 2), sprom[i]);
|
|
mmiowb();
|
|
mdelay(20);
|
|
}
|
|
spromctl &= ~0x10; /* SPROM WRITE enable. */
|
|
err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_SPROMCTL, spromctl);
|
|
if (err)
|
|
goto err_ctlreg;
|
|
mdelay(500);
|
|
printk("100%% ]\n");
|
|
printk(KERN_INFO PFX "SPROM written.\n");
|
|
bcm43xx_controller_restart(bcm, "SPROM update");
|
|
|
|
return 0;
|
|
err_ctlreg:
|
|
printk(KERN_ERR PFX "Could not access SPROM control register.\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
static int bcm43xx_sprom_extract(struct bcm43xx_private *bcm)
|
|
{
|
|
u16 value;
|
|
u16 *sprom;
|
|
|
|
sprom = kzalloc(BCM43xx_SPROM_SIZE * sizeof(u16),
|
|
GFP_KERNEL);
|
|
if (!sprom) {
|
|
printk(KERN_ERR PFX "sprom_extract OOM\n");
|
|
return -ENOMEM;
|
|
}
|
|
bcm43xx_sprom_read(bcm, sprom);
|
|
|
|
/* boardflags2 */
|
|
value = sprom[BCM43xx_SPROM_BOARDFLAGS2];
|
|
bcm->sprom.boardflags2 = value;
|
|
|
|
/* il0macaddr */
|
|
value = sprom[BCM43xx_SPROM_IL0MACADDR + 0];
|
|
*(((u16 *)bcm->sprom.il0macaddr) + 0) = cpu_to_be16(value);
|
|
value = sprom[BCM43xx_SPROM_IL0MACADDR + 1];
|
|
*(((u16 *)bcm->sprom.il0macaddr) + 1) = cpu_to_be16(value);
|
|
value = sprom[BCM43xx_SPROM_IL0MACADDR + 2];
|
|
*(((u16 *)bcm->sprom.il0macaddr) + 2) = cpu_to_be16(value);
|
|
|
|
/* et0macaddr */
|
|
value = sprom[BCM43xx_SPROM_ET0MACADDR + 0];
|
|
*(((u16 *)bcm->sprom.et0macaddr) + 0) = cpu_to_be16(value);
|
|
value = sprom[BCM43xx_SPROM_ET0MACADDR + 1];
|
|
*(((u16 *)bcm->sprom.et0macaddr) + 1) = cpu_to_be16(value);
|
|
value = sprom[BCM43xx_SPROM_ET0MACADDR + 2];
|
|
*(((u16 *)bcm->sprom.et0macaddr) + 2) = cpu_to_be16(value);
|
|
|
|
/* et1macaddr */
|
|
value = sprom[BCM43xx_SPROM_ET1MACADDR + 0];
|
|
*(((u16 *)bcm->sprom.et1macaddr) + 0) = cpu_to_be16(value);
|
|
value = sprom[BCM43xx_SPROM_ET1MACADDR + 1];
|
|
*(((u16 *)bcm->sprom.et1macaddr) + 1) = cpu_to_be16(value);
|
|
value = sprom[BCM43xx_SPROM_ET1MACADDR + 2];
|
|
*(((u16 *)bcm->sprom.et1macaddr) + 2) = cpu_to_be16(value);
|
|
|
|
/* ethernet phy settings */
|
|
value = sprom[BCM43xx_SPROM_ETHPHY];
|
|
bcm->sprom.et0phyaddr = (value & 0x001F);
|
|
bcm->sprom.et1phyaddr = (value & 0x03E0) >> 5;
|
|
|
|
/* boardrev, antennas, locale */
|
|
value = sprom[BCM43xx_SPROM_BOARDREV];
|
|
bcm->sprom.boardrev = (value & 0x00FF);
|
|
bcm->sprom.locale = (value & 0x0F00) >> 8;
|
|
bcm->sprom.antennas_aphy = (value & 0x3000) >> 12;
|
|
bcm->sprom.antennas_bgphy = (value & 0xC000) >> 14;
|
|
if (modparam_locale != -1) {
|
|
if (modparam_locale >= 0 && modparam_locale <= 11) {
|
|
bcm->sprom.locale = modparam_locale;
|
|
printk(KERN_WARNING PFX "Operating with modified "
|
|
"LocaleCode %u (%s)\n",
|
|
bcm->sprom.locale,
|
|
bcm43xx_locale_string(bcm->sprom.locale));
|
|
} else {
|
|
printk(KERN_WARNING PFX "Module parameter \"locale\" "
|
|
"invalid value. (0 - 11)\n");
|
|
}
|
|
}
|
|
|
|
/* pa0b* */
|
|
value = sprom[BCM43xx_SPROM_PA0B0];
|
|
bcm->sprom.pa0b0 = value;
|
|
value = sprom[BCM43xx_SPROM_PA0B1];
|
|
bcm->sprom.pa0b1 = value;
|
|
value = sprom[BCM43xx_SPROM_PA0B2];
|
|
bcm->sprom.pa0b2 = value;
|
|
|
|
/* wl0gpio* */
|
|
value = sprom[BCM43xx_SPROM_WL0GPIO0];
|
|
if (value == 0x0000)
|
|
value = 0xFFFF;
|
|
bcm->sprom.wl0gpio0 = value & 0x00FF;
|
|
bcm->sprom.wl0gpio1 = (value & 0xFF00) >> 8;
|
|
value = sprom[BCM43xx_SPROM_WL0GPIO2];
|
|
if (value == 0x0000)
|
|
value = 0xFFFF;
|
|
bcm->sprom.wl0gpio2 = value & 0x00FF;
|
|
bcm->sprom.wl0gpio3 = (value & 0xFF00) >> 8;
|
|
|
|
/* maxpower */
|
|
value = sprom[BCM43xx_SPROM_MAXPWR];
|
|
bcm->sprom.maxpower_aphy = (value & 0xFF00) >> 8;
|
|
bcm->sprom.maxpower_bgphy = value & 0x00FF;
|
|
|
|
/* pa1b* */
|
|
value = sprom[BCM43xx_SPROM_PA1B0];
|
|
bcm->sprom.pa1b0 = value;
|
|
value = sprom[BCM43xx_SPROM_PA1B1];
|
|
bcm->sprom.pa1b1 = value;
|
|
value = sprom[BCM43xx_SPROM_PA1B2];
|
|
bcm->sprom.pa1b2 = value;
|
|
|
|
/* idle tssi target */
|
|
value = sprom[BCM43xx_SPROM_IDL_TSSI_TGT];
|
|
bcm->sprom.idle_tssi_tgt_aphy = value & 0x00FF;
|
|
bcm->sprom.idle_tssi_tgt_bgphy = (value & 0xFF00) >> 8;
|
|
|
|
/* boardflags */
|
|
value = sprom[BCM43xx_SPROM_BOARDFLAGS];
|
|
if (value == 0xFFFF)
|
|
value = 0x0000;
|
|
bcm->sprom.boardflags = value;
|
|
/* boardflags workarounds */
|
|
if (bcm->board_vendor == PCI_VENDOR_ID_DELL &&
|
|
bcm->chip_id == 0x4301 &&
|
|
bcm->board_revision == 0x74)
|
|
bcm->sprom.boardflags |= BCM43xx_BFL_BTCOEXIST;
|
|
if (bcm->board_vendor == PCI_VENDOR_ID_APPLE &&
|
|
bcm->board_type == 0x4E &&
|
|
bcm->board_revision > 0x40)
|
|
bcm->sprom.boardflags |= BCM43xx_BFL_PACTRL;
|
|
|
|
/* antenna gain */
|
|
value = sprom[BCM43xx_SPROM_ANTENNA_GAIN];
|
|
if (value == 0x0000 || value == 0xFFFF)
|
|
value = 0x0202;
|
|
/* convert values to Q5.2 */
|
|
bcm->sprom.antennagain_aphy = ((value & 0xFF00) >> 8) * 4;
|
|
bcm->sprom.antennagain_bgphy = (value & 0x00FF) * 4;
|
|
|
|
kfree(sprom);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bcm43xx_geo_init(struct bcm43xx_private *bcm)
|
|
{
|
|
struct ieee80211_geo *geo;
|
|
struct ieee80211_channel *chan;
|
|
int have_a = 0, have_bg = 0;
|
|
int i;
|
|
u8 channel;
|
|
struct bcm43xx_phyinfo *phy;
|
|
const char *iso_country;
|
|
u8 max_bg_channel;
|
|
|
|
geo = kzalloc(sizeof(*geo), GFP_KERNEL);
|
|
if (!geo)
|
|
return -ENOMEM;
|
|
|
|
for (i = 0; i < bcm->nr_80211_available; i++) {
|
|
phy = &(bcm->core_80211_ext[i].phy);
|
|
switch (phy->type) {
|
|
case BCM43xx_PHYTYPE_B:
|
|
case BCM43xx_PHYTYPE_G:
|
|
have_bg = 1;
|
|
break;
|
|
case BCM43xx_PHYTYPE_A:
|
|
have_a = 1;
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
}
|
|
iso_country = bcm43xx_locale_iso(bcm->sprom.locale);
|
|
|
|
/* set the maximum channel based on locale set in sprom or witle locale option */
|
|
switch (bcm->sprom.locale) {
|
|
case BCM43xx_LOCALE_THAILAND:
|
|
case BCM43xx_LOCALE_ISRAEL:
|
|
case BCM43xx_LOCALE_JORDAN:
|
|
case BCM43xx_LOCALE_USA_CANADA_ANZ:
|
|
case BCM43xx_LOCALE_USA_LOW:
|
|
max_bg_channel = 11;
|
|
break;
|
|
case BCM43xx_LOCALE_JAPAN:
|
|
case BCM43xx_LOCALE_JAPAN_HIGH:
|
|
max_bg_channel = 14;
|
|
break;
|
|
default:
|
|
max_bg_channel = 13;
|
|
}
|
|
|
|
if (have_a) {
|
|
for (i = 0, channel = IEEE80211_52GHZ_MIN_CHANNEL;
|
|
channel <= IEEE80211_52GHZ_MAX_CHANNEL; channel++) {
|
|
chan = &geo->a[i++];
|
|
chan->freq = bcm43xx_channel_to_freq_a(channel);
|
|
chan->channel = channel;
|
|
}
|
|
geo->a_channels = i;
|
|
}
|
|
if (have_bg) {
|
|
for (i = 0, channel = IEEE80211_24GHZ_MIN_CHANNEL;
|
|
channel <= max_bg_channel; channel++) {
|
|
chan = &geo->bg[i++];
|
|
chan->freq = bcm43xx_channel_to_freq_bg(channel);
|
|
chan->channel = channel;
|
|
}
|
|
geo->bg_channels = i;
|
|
}
|
|
memcpy(geo->name, iso_country, 2);
|
|
if (0 /*TODO: Outdoor use only */)
|
|
geo->name[2] = 'O';
|
|
else if (0 /*TODO: Indoor use only */)
|
|
geo->name[2] = 'I';
|
|
else
|
|
geo->name[2] = ' ';
|
|
geo->name[3] = '\0';
|
|
|
|
ieee80211_set_geo(bcm->ieee, geo);
|
|
kfree(geo);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* DummyTransmission function, as documented on
|
|
* http://bcm-specs.sipsolutions.net/DummyTransmission
|
|
*/
|
|
void bcm43xx_dummy_transmission(struct bcm43xx_private *bcm)
|
|
{
|
|
struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
|
|
struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
|
|
unsigned int i, max_loop;
|
|
u16 value = 0;
|
|
u32 buffer[5] = {
|
|
0x00000000,
|
|
0x0000D400,
|
|
0x00000000,
|
|
0x00000001,
|
|
0x00000000,
|
|
};
|
|
|
|
switch (phy->type) {
|
|
case BCM43xx_PHYTYPE_A:
|
|
max_loop = 0x1E;
|
|
buffer[0] = 0xCC010200;
|
|
break;
|
|
case BCM43xx_PHYTYPE_B:
|
|
case BCM43xx_PHYTYPE_G:
|
|
max_loop = 0xFA;
|
|
buffer[0] = 0x6E840B00;
|
|
break;
|
|
default:
|
|
assert(0);
|
|
return;
|
|
}
|
|
|
|
for (i = 0; i < 5; i++)
|
|
bcm43xx_ram_write(bcm, i * 4, buffer[i]);
|
|
|
|
bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); /* dummy read */
|
|
|
|
bcm43xx_write16(bcm, 0x0568, 0x0000);
|
|
bcm43xx_write16(bcm, 0x07C0, 0x0000);
|
|
bcm43xx_write16(bcm, 0x050C, ((phy->type == BCM43xx_PHYTYPE_A) ? 1 : 0));
|
|
bcm43xx_write16(bcm, 0x0508, 0x0000);
|
|
bcm43xx_write16(bcm, 0x050A, 0x0000);
|
|
bcm43xx_write16(bcm, 0x054C, 0x0000);
|
|
bcm43xx_write16(bcm, 0x056A, 0x0014);
|
|
bcm43xx_write16(bcm, 0x0568, 0x0826);
|
|
bcm43xx_write16(bcm, 0x0500, 0x0000);
|
|
bcm43xx_write16(bcm, 0x0502, 0x0030);
|
|
|
|
if (radio->version == 0x2050 && radio->revision <= 0x5)
|
|
bcm43xx_radio_write16(bcm, 0x0051, 0x0017);
|
|
for (i = 0x00; i < max_loop; i++) {
|
|
value = bcm43xx_read16(bcm, 0x050E);
|
|
if (value & 0x0080)
|
|
break;
|
|
udelay(10);
|
|
}
|
|
for (i = 0x00; i < 0x0A; i++) {
|
|
value = bcm43xx_read16(bcm, 0x050E);
|
|
if (value & 0x0400)
|
|
break;
|
|
udelay(10);
|
|
}
|
|
for (i = 0x00; i < 0x0A; i++) {
|
|
value = bcm43xx_read16(bcm, 0x0690);
|
|
if (!(value & 0x0100))
|
|
break;
|
|
udelay(10);
|
|
}
|
|
if (radio->version == 0x2050 && radio->revision <= 0x5)
|
|
bcm43xx_radio_write16(bcm, 0x0051, 0x0037);
|
|
}
|
|
|
|
static void key_write(struct bcm43xx_private *bcm,
|
|
u8 index, u8 algorithm, const u16 *key)
|
|
{
|
|
unsigned int i, basic_wep = 0;
|
|
u32 offset;
|
|
u16 value;
|
|
|
|
/* Write associated key information */
|
|
bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x100 + (index * 2),
|
|
((index << 4) | (algorithm & 0x0F)));
|
|
|
|
/* The first 4 WEP keys need extra love */
|
|
if (((algorithm == BCM43xx_SEC_ALGO_WEP) ||
|
|
(algorithm == BCM43xx_SEC_ALGO_WEP104)) && (index < 4))
|
|
basic_wep = 1;
|
|
|
|
/* Write key payload, 8 little endian words */
|
|
offset = bcm->security_offset + (index * BCM43xx_SEC_KEYSIZE);
|
|
for (i = 0; i < (BCM43xx_SEC_KEYSIZE / sizeof(u16)); i++) {
|
|
value = cpu_to_le16(key[i]);
|
|
bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED,
|
|
offset + (i * 2), value);
|
|
|
|
if (!basic_wep)
|
|
continue;
|
|
|
|
bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED,
|
|
offset + (i * 2) + 4 * BCM43xx_SEC_KEYSIZE,
|
|
value);
|
|
}
|
|
}
|
|
|
|
static void keymac_write(struct bcm43xx_private *bcm,
|
|
u8 index, const u32 *addr)
|
|
{
|
|
/* for keys 0-3 there is no associated mac address */
|
|
if (index < 4)
|
|
return;
|
|
|
|
index -= 4;
|
|
if (bcm->current_core->rev >= 5) {
|
|
bcm43xx_shm_write32(bcm,
|
|
BCM43xx_SHM_HWMAC,
|
|
index * 2,
|
|
cpu_to_be32(*addr));
|
|
bcm43xx_shm_write16(bcm,
|
|
BCM43xx_SHM_HWMAC,
|
|
(index * 2) + 1,
|
|
cpu_to_be16(*((u16 *)(addr + 1))));
|
|
} else {
|
|
if (index < 8) {
|
|
TODO(); /* Put them in the macaddress filter */
|
|
} else {
|
|
TODO();
|
|
/* Put them BCM43xx_SHM_SHARED, stating index 0x0120.
|
|
Keep in mind to update the count of keymacs in 0x003E as well! */
|
|
}
|
|
}
|
|
}
|
|
|
|
static int bcm43xx_key_write(struct bcm43xx_private *bcm,
|
|
u8 index, u8 algorithm,
|
|
const u8 *_key, int key_len,
|
|
const u8 *mac_addr)
|
|
{
|
|
u8 key[BCM43xx_SEC_KEYSIZE] = { 0 };
|
|
|
|
if (index >= ARRAY_SIZE(bcm->key))
|
|
return -EINVAL;
|
|
if (key_len > ARRAY_SIZE(key))
|
|
return -EINVAL;
|
|
if (algorithm < 1 || algorithm > 5)
|
|
return -EINVAL;
|
|
|
|
memcpy(key, _key, key_len);
|
|
key_write(bcm, index, algorithm, (const u16 *)key);
|
|
keymac_write(bcm, index, (const u32 *)mac_addr);
|
|
|
|
bcm->key[index].algorithm = algorithm;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void bcm43xx_clear_keys(struct bcm43xx_private *bcm)
|
|
{
|
|
static const u32 zero_mac[2] = { 0 };
|
|
unsigned int i,j, nr_keys = 54;
|
|
u16 offset;
|
|
|
|
if (bcm->current_core->rev < 5)
|
|
nr_keys = 16;
|
|
assert(nr_keys <= ARRAY_SIZE(bcm->key));
|
|
|
|
for (i = 0; i < nr_keys; i++) {
|
|
bcm->key[i].enabled = 0;
|
|
/* returns for i < 4 immediately */
|
|
keymac_write(bcm, i, zero_mac);
|
|
bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED,
|
|
0x100 + (i * 2), 0x0000);
|
|
for (j = 0; j < 8; j++) {
|
|
offset = bcm->security_offset + (j * 4) + (i * BCM43xx_SEC_KEYSIZE);
|
|
bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED,
|
|
offset, 0x0000);
|
|
}
|
|
}
|
|
dprintk(KERN_INFO PFX "Keys cleared\n");
|
|
}
|
|
|
|
/* Lowlevel core-switch function. This is only to be used in
|
|
* bcm43xx_switch_core() and bcm43xx_probe_cores()
|
|
*/
|
|
static int _switch_core(struct bcm43xx_private *bcm, int core)
|
|
{
|
|
int err;
|
|
int attempts = 0;
|
|
u32 current_core;
|
|
|
|
assert(core >= 0);
|
|
while (1) {
|
|
err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_ACTIVE_CORE,
|
|
(core * 0x1000) + 0x18000000);
|
|
if (unlikely(err))
|
|
goto error;
|
|
err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCICFG_ACTIVE_CORE,
|
|
¤t_core);
|
|
if (unlikely(err))
|
|
goto error;
|
|
current_core = (current_core - 0x18000000) / 0x1000;
|
|
if (current_core == core)
|
|
break;
|
|
|
|
if (unlikely(attempts++ > BCM43xx_SWITCH_CORE_MAX_RETRIES))
|
|
goto error;
|
|
udelay(10);
|
|
}
|
|
|
|
return 0;
|
|
error:
|
|
printk(KERN_ERR PFX "Failed to switch to core %d\n", core);
|
|
return -ENODEV;
|
|
}
|
|
|
|
int bcm43xx_switch_core(struct bcm43xx_private *bcm, struct bcm43xx_coreinfo *new_core)
|
|
{
|
|
int err;
|
|
|
|
if (unlikely(!new_core))
|
|
return 0;
|
|
if (!new_core->available)
|
|
return -ENODEV;
|
|
if (bcm->current_core == new_core)
|
|
return 0;
|
|
err = _switch_core(bcm, new_core->index);
|
|
if (unlikely(err))
|
|
goto out;
|
|
|
|
bcm->current_core = new_core;
|
|
out:
|
|
return err;
|
|
}
|
|
|
|
static int bcm43xx_core_enabled(struct bcm43xx_private *bcm)
|
|
{
|
|
u32 value;
|
|
|
|
value = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
|
|
value &= BCM43xx_SBTMSTATELOW_CLOCK | BCM43xx_SBTMSTATELOW_RESET
|
|
| BCM43xx_SBTMSTATELOW_REJECT;
|
|
|
|
return (value == BCM43xx_SBTMSTATELOW_CLOCK);
|
|
}
|
|
|
|
/* disable current core */
|
|
static int bcm43xx_core_disable(struct bcm43xx_private *bcm, u32 core_flags)
|
|
{
|
|
u32 sbtmstatelow;
|
|
u32 sbtmstatehigh;
|
|
int i;
|
|
|
|
/* fetch sbtmstatelow from core information registers */
|
|
sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
|
|
|
|
/* core is already in reset */
|
|
if (sbtmstatelow & BCM43xx_SBTMSTATELOW_RESET)
|
|
goto out;
|
|
|
|
if (sbtmstatelow & BCM43xx_SBTMSTATELOW_CLOCK) {
|
|
sbtmstatelow = BCM43xx_SBTMSTATELOW_CLOCK |
|
|
BCM43xx_SBTMSTATELOW_REJECT;
|
|
bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow);
|
|
|
|
for (i = 0; i < 1000; i++) {
|
|
sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
|
|
if (sbtmstatelow & BCM43xx_SBTMSTATELOW_REJECT) {
|
|
i = -1;
|
|
break;
|
|
}
|
|
udelay(10);
|
|
}
|
|
if (i != -1) {
|
|
printk(KERN_ERR PFX "Error: core_disable() REJECT timeout!\n");
|
|
return -EBUSY;
|
|
}
|
|
|
|
for (i = 0; i < 1000; i++) {
|
|
sbtmstatehigh = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH);
|
|
if (!(sbtmstatehigh & BCM43xx_SBTMSTATEHIGH_BUSY)) {
|
|
i = -1;
|
|
break;
|
|
}
|
|
udelay(10);
|
|
}
|
|
if (i != -1) {
|
|
printk(KERN_ERR PFX "Error: core_disable() BUSY timeout!\n");
|
|
return -EBUSY;
|
|
}
|
|
|
|
sbtmstatelow = BCM43xx_SBTMSTATELOW_FORCE_GATE_CLOCK |
|
|
BCM43xx_SBTMSTATELOW_REJECT |
|
|
BCM43xx_SBTMSTATELOW_RESET |
|
|
BCM43xx_SBTMSTATELOW_CLOCK |
|
|
core_flags;
|
|
bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow);
|
|
udelay(10);
|
|
}
|
|
|
|
sbtmstatelow = BCM43xx_SBTMSTATELOW_RESET |
|
|
BCM43xx_SBTMSTATELOW_REJECT |
|
|
core_flags;
|
|
bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow);
|
|
|
|
out:
|
|
bcm->current_core->enabled = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* enable (reset) current core */
|
|
static int bcm43xx_core_enable(struct bcm43xx_private *bcm, u32 core_flags)
|
|
{
|
|
u32 sbtmstatelow;
|
|
u32 sbtmstatehigh;
|
|
u32 sbimstate;
|
|
int err;
|
|
|
|
err = bcm43xx_core_disable(bcm, core_flags);
|
|
if (err)
|
|
goto out;
|
|
|
|
sbtmstatelow = BCM43xx_SBTMSTATELOW_CLOCK |
|
|
BCM43xx_SBTMSTATELOW_RESET |
|
|
BCM43xx_SBTMSTATELOW_FORCE_GATE_CLOCK |
|
|
core_flags;
|
|
bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow);
|
|
udelay(1);
|
|
|
|
sbtmstatehigh = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH);
|
|
if (sbtmstatehigh & BCM43xx_SBTMSTATEHIGH_SERROR) {
|
|
sbtmstatehigh = 0x00000000;
|
|
bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATEHIGH, sbtmstatehigh);
|
|
}
|
|
|
|
sbimstate = bcm43xx_read32(bcm, BCM43xx_CIR_SBIMSTATE);
|
|
if (sbimstate & (BCM43xx_SBIMSTATE_IB_ERROR | BCM43xx_SBIMSTATE_TIMEOUT)) {
|
|
sbimstate &= ~(BCM43xx_SBIMSTATE_IB_ERROR | BCM43xx_SBIMSTATE_TIMEOUT);
|
|
bcm43xx_write32(bcm, BCM43xx_CIR_SBIMSTATE, sbimstate);
|
|
}
|
|
|
|
sbtmstatelow = BCM43xx_SBTMSTATELOW_CLOCK |
|
|
BCM43xx_SBTMSTATELOW_FORCE_GATE_CLOCK |
|
|
core_flags;
|
|
bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow);
|
|
udelay(1);
|
|
|
|
sbtmstatelow = BCM43xx_SBTMSTATELOW_CLOCK | core_flags;
|
|
bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow);
|
|
udelay(1);
|
|
|
|
bcm->current_core->enabled = 1;
|
|
assert(err == 0);
|
|
out:
|
|
return err;
|
|
}
|
|
|
|
/* http://bcm-specs.sipsolutions.net/80211CoreReset */
|
|
void bcm43xx_wireless_core_reset(struct bcm43xx_private *bcm, int connect_phy)
|
|
{
|
|
u32 flags = 0x00040000;
|
|
|
|
if ((bcm43xx_core_enabled(bcm)) &&
|
|
!bcm43xx_using_pio(bcm)) {
|
|
}
|
|
if (bcm43xx_status(bcm) == BCM43xx_STAT_SHUTTINGDOWN) {
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD,
|
|
bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD)
|
|
& ~(BCM43xx_SBF_MAC_ENABLED | 0x00000002));
|
|
} else {
|
|
if (connect_phy)
|
|
flags |= BCM43xx_SBTMSTATELOW_G_MODE_ENABLE;
|
|
bcm43xx_phy_connect(bcm, connect_phy);
|
|
bcm43xx_core_enable(bcm, flags);
|
|
bcm43xx_write16(bcm, 0x03E6, 0x0000);
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD,
|
|
bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD)
|
|
| BCM43xx_SBF_400);
|
|
}
|
|
}
|
|
|
|
static void bcm43xx_wireless_core_disable(struct bcm43xx_private *bcm)
|
|
{
|
|
bcm43xx_radio_turn_off(bcm);
|
|
bcm43xx_write16(bcm, 0x03E6, 0x00F4);
|
|
bcm43xx_core_disable(bcm, 0);
|
|
}
|
|
|
|
/* Mark the current 80211 core inactive. */
|
|
static void bcm43xx_wireless_core_mark_inactive(struct bcm43xx_private *bcm)
|
|
{
|
|
u32 sbtmstatelow;
|
|
|
|
bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL);
|
|
bcm43xx_radio_turn_off(bcm);
|
|
sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
|
|
sbtmstatelow &= 0xDFF5FFFF;
|
|
sbtmstatelow |= 0x000A0000;
|
|
bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow);
|
|
udelay(1);
|
|
sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
|
|
sbtmstatelow &= 0xFFF5FFFF;
|
|
sbtmstatelow |= 0x00080000;
|
|
bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow);
|
|
udelay(1);
|
|
}
|
|
|
|
static void handle_irq_transmit_status(struct bcm43xx_private *bcm)
|
|
{
|
|
u32 v0, v1;
|
|
u16 tmp;
|
|
struct bcm43xx_xmitstatus stat;
|
|
|
|
while (1) {
|
|
v0 = bcm43xx_read32(bcm, BCM43xx_MMIO_XMITSTAT_0);
|
|
if (!v0)
|
|
break;
|
|
v1 = bcm43xx_read32(bcm, BCM43xx_MMIO_XMITSTAT_1);
|
|
|
|
stat.cookie = (v0 >> 16) & 0x0000FFFF;
|
|
tmp = (u16)((v0 & 0xFFF0) | ((v0 & 0xF) >> 1));
|
|
stat.flags = tmp & 0xFF;
|
|
stat.cnt1 = (tmp & 0x0F00) >> 8;
|
|
stat.cnt2 = (tmp & 0xF000) >> 12;
|
|
stat.seq = (u16)(v1 & 0xFFFF);
|
|
stat.unknown = (u16)((v1 >> 16) & 0xFF);
|
|
|
|
bcm43xx_debugfs_log_txstat(bcm, &stat);
|
|
|
|
if (stat.flags & BCM43xx_TXSTAT_FLAG_AMPDU)
|
|
continue;
|
|
if (stat.flags & BCM43xx_TXSTAT_FLAG_INTER)
|
|
continue;
|
|
|
|
if (bcm43xx_using_pio(bcm))
|
|
bcm43xx_pio_handle_xmitstatus(bcm, &stat);
|
|
else
|
|
bcm43xx_dma_handle_xmitstatus(bcm, &stat);
|
|
}
|
|
}
|
|
|
|
static void drain_txstatus_queue(struct bcm43xx_private *bcm)
|
|
{
|
|
u32 dummy;
|
|
|
|
if (bcm->current_core->rev < 5)
|
|
return;
|
|
/* Read all entries from the microcode TXstatus FIFO
|
|
* and throw them away.
|
|
*/
|
|
while (1) {
|
|
dummy = bcm43xx_read32(bcm, BCM43xx_MMIO_XMITSTAT_0);
|
|
if (!dummy)
|
|
break;
|
|
dummy = bcm43xx_read32(bcm, BCM43xx_MMIO_XMITSTAT_1);
|
|
}
|
|
}
|
|
|
|
static void bcm43xx_generate_noise_sample(struct bcm43xx_private *bcm)
|
|
{
|
|
bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x408, 0x7F7F);
|
|
bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x40A, 0x7F7F);
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD,
|
|
bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD) | (1 << 4));
|
|
assert(bcm->noisecalc.core_at_start == bcm->current_core);
|
|
assert(bcm->noisecalc.channel_at_start == bcm43xx_current_radio(bcm)->channel);
|
|
}
|
|
|
|
static void bcm43xx_calculate_link_quality(struct bcm43xx_private *bcm)
|
|
{
|
|
/* Top half of Link Quality calculation. */
|
|
|
|
if (bcm->noisecalc.calculation_running)
|
|
return;
|
|
bcm->noisecalc.core_at_start = bcm->current_core;
|
|
bcm->noisecalc.channel_at_start = bcm43xx_current_radio(bcm)->channel;
|
|
bcm->noisecalc.calculation_running = 1;
|
|
bcm->noisecalc.nr_samples = 0;
|
|
|
|
bcm43xx_generate_noise_sample(bcm);
|
|
}
|
|
|
|
static void handle_irq_noise(struct bcm43xx_private *bcm)
|
|
{
|
|
struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
|
|
u16 tmp;
|
|
u8 noise[4];
|
|
u8 i, j;
|
|
s32 average;
|
|
|
|
/* Bottom half of Link Quality calculation. */
|
|
|
|
assert(bcm->noisecalc.calculation_running);
|
|
if (bcm->noisecalc.core_at_start != bcm->current_core ||
|
|
bcm->noisecalc.channel_at_start != radio->channel)
|
|
goto drop_calculation;
|
|
tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x408);
|
|
noise[0] = (tmp & 0x00FF);
|
|
noise[1] = (tmp & 0xFF00) >> 8;
|
|
tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x40A);
|
|
noise[2] = (tmp & 0x00FF);
|
|
noise[3] = (tmp & 0xFF00) >> 8;
|
|
if (noise[0] == 0x7F || noise[1] == 0x7F ||
|
|
noise[2] == 0x7F || noise[3] == 0x7F)
|
|
goto generate_new;
|
|
|
|
/* Get the noise samples. */
|
|
assert(bcm->noisecalc.nr_samples < 8);
|
|
i = bcm->noisecalc.nr_samples;
|
|
noise[0] = limit_value(noise[0], 0, ARRAY_SIZE(radio->nrssi_lt) - 1);
|
|
noise[1] = limit_value(noise[1], 0, ARRAY_SIZE(radio->nrssi_lt) - 1);
|
|
noise[2] = limit_value(noise[2], 0, ARRAY_SIZE(radio->nrssi_lt) - 1);
|
|
noise[3] = limit_value(noise[3], 0, ARRAY_SIZE(radio->nrssi_lt) - 1);
|
|
bcm->noisecalc.samples[i][0] = radio->nrssi_lt[noise[0]];
|
|
bcm->noisecalc.samples[i][1] = radio->nrssi_lt[noise[1]];
|
|
bcm->noisecalc.samples[i][2] = radio->nrssi_lt[noise[2]];
|
|
bcm->noisecalc.samples[i][3] = radio->nrssi_lt[noise[3]];
|
|
bcm->noisecalc.nr_samples++;
|
|
if (bcm->noisecalc.nr_samples == 8) {
|
|
/* Calculate the Link Quality by the noise samples. */
|
|
average = 0;
|
|
for (i = 0; i < 8; i++) {
|
|
for (j = 0; j < 4; j++)
|
|
average += bcm->noisecalc.samples[i][j];
|
|
}
|
|
average /= (8 * 4);
|
|
average *= 125;
|
|
average += 64;
|
|
average /= 128;
|
|
|
|
tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x40C);
|
|
tmp = (tmp / 128) & 0x1F;
|
|
if (tmp >= 8)
|
|
average += 2;
|
|
else
|
|
average -= 25;
|
|
if (tmp == 8)
|
|
average -= 72;
|
|
else
|
|
average -= 48;
|
|
|
|
bcm->stats.noise = average;
|
|
drop_calculation:
|
|
bcm->noisecalc.calculation_running = 0;
|
|
return;
|
|
}
|
|
generate_new:
|
|
bcm43xx_generate_noise_sample(bcm);
|
|
}
|
|
|
|
static void handle_irq_ps(struct bcm43xx_private *bcm)
|
|
{
|
|
if (bcm->ieee->iw_mode == IW_MODE_MASTER) {
|
|
///TODO: PS TBTT
|
|
} else {
|
|
if (1/*FIXME: the last PSpoll frame was sent successfully */)
|
|
bcm43xx_power_saving_ctl_bits(bcm, -1, -1);
|
|
}
|
|
if (bcm->ieee->iw_mode == IW_MODE_ADHOC)
|
|
bcm->reg124_set_0x4 = 1;
|
|
//FIXME else set to false?
|
|
}
|
|
|
|
static void handle_irq_reg124(struct bcm43xx_private *bcm)
|
|
{
|
|
if (!bcm->reg124_set_0x4)
|
|
return;
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD,
|
|
bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD)
|
|
| 0x4);
|
|
//FIXME: reset reg124_set_0x4 to false?
|
|
}
|
|
|
|
static void handle_irq_pmq(struct bcm43xx_private *bcm)
|
|
{
|
|
u32 tmp;
|
|
|
|
//TODO: AP mode.
|
|
|
|
while (1) {
|
|
tmp = bcm43xx_read32(bcm, BCM43xx_MMIO_PS_STATUS);
|
|
if (!(tmp & 0x00000008))
|
|
break;
|
|
}
|
|
/* 16bit write is odd, but correct. */
|
|
bcm43xx_write16(bcm, BCM43xx_MMIO_PS_STATUS, 0x0002);
|
|
}
|
|
|
|
static void bcm43xx_generate_beacon_template(struct bcm43xx_private *bcm,
|
|
u16 ram_offset, u16 shm_size_offset)
|
|
{
|
|
u32 value;
|
|
u16 size = 0;
|
|
|
|
/* Timestamp. */
|
|
//FIXME: assumption: The chip sets the timestamp
|
|
value = 0;
|
|
bcm43xx_ram_write(bcm, ram_offset++, value);
|
|
bcm43xx_ram_write(bcm, ram_offset++, value);
|
|
size += 8;
|
|
|
|
/* Beacon Interval / Capability Information */
|
|
value = 0x0000;//FIXME: Which interval?
|
|
value |= (1 << 0) << 16; /* ESS */
|
|
value |= (1 << 2) << 16; /* CF Pollable */ //FIXME?
|
|
value |= (1 << 3) << 16; /* CF Poll Request */ //FIXME?
|
|
if (!bcm->ieee->open_wep)
|
|
value |= (1 << 4) << 16; /* Privacy */
|
|
bcm43xx_ram_write(bcm, ram_offset++, value);
|
|
size += 4;
|
|
|
|
/* SSID */
|
|
//TODO
|
|
|
|
/* FH Parameter Set */
|
|
//TODO
|
|
|
|
/* DS Parameter Set */
|
|
//TODO
|
|
|
|
/* CF Parameter Set */
|
|
//TODO
|
|
|
|
/* TIM */
|
|
//TODO
|
|
|
|
bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, shm_size_offset, size);
|
|
}
|
|
|
|
static void handle_irq_beacon(struct bcm43xx_private *bcm)
|
|
{
|
|
u32 status;
|
|
|
|
bcm->irq_savedstate &= ~BCM43xx_IRQ_BEACON;
|
|
status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD);
|
|
|
|
if ((status & 0x1) && (status & 0x2)) {
|
|
/* ACK beacon IRQ. */
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON,
|
|
BCM43xx_IRQ_BEACON);
|
|
bcm->irq_savedstate |= BCM43xx_IRQ_BEACON;
|
|
return;
|
|
}
|
|
if (!(status & 0x1)) {
|
|
bcm43xx_generate_beacon_template(bcm, 0x68, 0x18);
|
|
status |= 0x1;
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD, status);
|
|
}
|
|
if (!(status & 0x2)) {
|
|
bcm43xx_generate_beacon_template(bcm, 0x468, 0x1A);
|
|
status |= 0x2;
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD, status);
|
|
}
|
|
}
|
|
|
|
/* Interrupt handler bottom-half */
|
|
static void bcm43xx_interrupt_tasklet(struct bcm43xx_private *bcm)
|
|
{
|
|
u32 reason;
|
|
u32 dma_reason[6];
|
|
u32 merged_dma_reason = 0;
|
|
int i, activity = 0;
|
|
unsigned long flags;
|
|
|
|
#ifdef CONFIG_BCM43XX_DEBUG
|
|
u32 _handled = 0x00000000;
|
|
# define bcmirq_handled(irq) do { _handled |= (irq); } while (0)
|
|
#else
|
|
# define bcmirq_handled(irq) do { /* nothing */ } while (0)
|
|
#endif /* CONFIG_BCM43XX_DEBUG*/
|
|
|
|
spin_lock_irqsave(&bcm->irq_lock, flags);
|
|
reason = bcm->irq_reason;
|
|
for (i = 5; i >= 0; i--) {
|
|
dma_reason[i] = bcm->dma_reason[i];
|
|
merged_dma_reason |= dma_reason[i];
|
|
}
|
|
|
|
if (unlikely(reason & BCM43xx_IRQ_XMIT_ERROR)) {
|
|
/* TX error. We get this when Template Ram is written in wrong endianess
|
|
* in dummy_tx(). We also get this if something is wrong with the TX header
|
|
* on DMA or PIO queues.
|
|
* Maybe we get this in other error conditions, too.
|
|
*/
|
|
printkl(KERN_ERR PFX "FATAL ERROR: BCM43xx_IRQ_XMIT_ERROR\n");
|
|
bcmirq_handled(BCM43xx_IRQ_XMIT_ERROR);
|
|
}
|
|
if (unlikely(merged_dma_reason & BCM43xx_DMAIRQ_FATALMASK)) {
|
|
printkl(KERN_ERR PFX "FATAL ERROR: Fatal DMA error: "
|
|
"0x%08X, 0x%08X, 0x%08X, "
|
|
"0x%08X, 0x%08X, 0x%08X\n",
|
|
dma_reason[0], dma_reason[1],
|
|
dma_reason[2], dma_reason[3],
|
|
dma_reason[4], dma_reason[5]);
|
|
bcm43xx_controller_restart(bcm, "DMA error");
|
|
mmiowb();
|
|
spin_unlock_irqrestore(&bcm->irq_lock, flags);
|
|
return;
|
|
}
|
|
if (unlikely(merged_dma_reason & BCM43xx_DMAIRQ_NONFATALMASK)) {
|
|
printkl(KERN_ERR PFX "DMA error: "
|
|
"0x%08X, 0x%08X, 0x%08X, "
|
|
"0x%08X, 0x%08X, 0x%08X\n",
|
|
dma_reason[0], dma_reason[1],
|
|
dma_reason[2], dma_reason[3],
|
|
dma_reason[4], dma_reason[5]);
|
|
}
|
|
|
|
if (reason & BCM43xx_IRQ_PS) {
|
|
handle_irq_ps(bcm);
|
|
bcmirq_handled(BCM43xx_IRQ_PS);
|
|
}
|
|
|
|
if (reason & BCM43xx_IRQ_REG124) {
|
|
handle_irq_reg124(bcm);
|
|
bcmirq_handled(BCM43xx_IRQ_REG124);
|
|
}
|
|
|
|
if (reason & BCM43xx_IRQ_BEACON) {
|
|
if (bcm->ieee->iw_mode == IW_MODE_MASTER)
|
|
handle_irq_beacon(bcm);
|
|
bcmirq_handled(BCM43xx_IRQ_BEACON);
|
|
}
|
|
|
|
if (reason & BCM43xx_IRQ_PMQ) {
|
|
handle_irq_pmq(bcm);
|
|
bcmirq_handled(BCM43xx_IRQ_PMQ);
|
|
}
|
|
|
|
if (reason & BCM43xx_IRQ_SCAN) {
|
|
/*TODO*/
|
|
//bcmirq_handled(BCM43xx_IRQ_SCAN);
|
|
}
|
|
|
|
if (reason & BCM43xx_IRQ_NOISE) {
|
|
handle_irq_noise(bcm);
|
|
bcmirq_handled(BCM43xx_IRQ_NOISE);
|
|
}
|
|
|
|
/* Check the DMA reason registers for received data. */
|
|
if (dma_reason[0] & BCM43xx_DMAIRQ_RX_DONE) {
|
|
if (bcm43xx_using_pio(bcm))
|
|
bcm43xx_pio_rx(bcm43xx_current_pio(bcm)->queue0);
|
|
else
|
|
bcm43xx_dma_rx(bcm43xx_current_dma(bcm)->rx_ring0);
|
|
/* We intentionally don't set "activity" to 1, here. */
|
|
}
|
|
assert(!(dma_reason[1] & BCM43xx_DMAIRQ_RX_DONE));
|
|
assert(!(dma_reason[2] & BCM43xx_DMAIRQ_RX_DONE));
|
|
if (dma_reason[3] & BCM43xx_DMAIRQ_RX_DONE) {
|
|
if (bcm43xx_using_pio(bcm))
|
|
bcm43xx_pio_rx(bcm43xx_current_pio(bcm)->queue3);
|
|
else
|
|
bcm43xx_dma_rx(bcm43xx_current_dma(bcm)->rx_ring3);
|
|
activity = 1;
|
|
}
|
|
assert(!(dma_reason[4] & BCM43xx_DMAIRQ_RX_DONE));
|
|
assert(!(dma_reason[5] & BCM43xx_DMAIRQ_RX_DONE));
|
|
bcmirq_handled(BCM43xx_IRQ_RX);
|
|
|
|
if (reason & BCM43xx_IRQ_XMIT_STATUS) {
|
|
handle_irq_transmit_status(bcm);
|
|
activity = 1;
|
|
//TODO: In AP mode, this also causes sending of powersave responses.
|
|
bcmirq_handled(BCM43xx_IRQ_XMIT_STATUS);
|
|
}
|
|
|
|
/* IRQ_PIO_WORKAROUND is handled in the top-half. */
|
|
bcmirq_handled(BCM43xx_IRQ_PIO_WORKAROUND);
|
|
#ifdef CONFIG_BCM43XX_DEBUG
|
|
if (unlikely(reason & ~_handled)) {
|
|
printkl(KERN_WARNING PFX
|
|
"Unhandled IRQ! Reason: 0x%08x, Unhandled: 0x%08x, "
|
|
"DMA: 0x%08x, 0x%08x, 0x%08x, 0x%08x\n",
|
|
reason, (reason & ~_handled),
|
|
dma_reason[0], dma_reason[1],
|
|
dma_reason[2], dma_reason[3]);
|
|
}
|
|
#endif
|
|
#undef bcmirq_handled
|
|
|
|
if (!modparam_noleds)
|
|
bcm43xx_leds_update(bcm, activity);
|
|
bcm43xx_interrupt_enable(bcm, bcm->irq_savedstate);
|
|
mmiowb();
|
|
spin_unlock_irqrestore(&bcm->irq_lock, flags);
|
|
}
|
|
|
|
static void pio_irq_workaround(struct bcm43xx_private *bcm,
|
|
u16 base, int queueidx)
|
|
{
|
|
u16 rxctl;
|
|
|
|
rxctl = bcm43xx_read16(bcm, base + BCM43xx_PIO_RXCTL);
|
|
if (rxctl & BCM43xx_PIO_RXCTL_DATAAVAILABLE)
|
|
bcm->dma_reason[queueidx] |= BCM43xx_DMAIRQ_RX_DONE;
|
|
else
|
|
bcm->dma_reason[queueidx] &= ~BCM43xx_DMAIRQ_RX_DONE;
|
|
}
|
|
|
|
static void bcm43xx_interrupt_ack(struct bcm43xx_private *bcm, u32 reason)
|
|
{
|
|
if (bcm43xx_using_pio(bcm) &&
|
|
(bcm->current_core->rev < 3) &&
|
|
(!(reason & BCM43xx_IRQ_PIO_WORKAROUND))) {
|
|
/* Apply a PIO specific workaround to the dma_reasons */
|
|
pio_irq_workaround(bcm, BCM43xx_MMIO_PIO1_BASE, 0);
|
|
pio_irq_workaround(bcm, BCM43xx_MMIO_PIO2_BASE, 1);
|
|
pio_irq_workaround(bcm, BCM43xx_MMIO_PIO3_BASE, 2);
|
|
pio_irq_workaround(bcm, BCM43xx_MMIO_PIO4_BASE, 3);
|
|
}
|
|
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, reason);
|
|
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_DMA0_REASON,
|
|
bcm->dma_reason[0]);
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_DMA1_REASON,
|
|
bcm->dma_reason[1]);
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_DMA2_REASON,
|
|
bcm->dma_reason[2]);
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_DMA3_REASON,
|
|
bcm->dma_reason[3]);
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_DMA4_REASON,
|
|
bcm->dma_reason[4]);
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_DMA5_REASON,
|
|
bcm->dma_reason[5]);
|
|
}
|
|
|
|
/* Interrupt handler top-half */
|
|
static irqreturn_t bcm43xx_interrupt_handler(int irq, void *dev_id)
|
|
{
|
|
irqreturn_t ret = IRQ_HANDLED;
|
|
struct bcm43xx_private *bcm = dev_id;
|
|
u32 reason;
|
|
|
|
if (!bcm)
|
|
return IRQ_NONE;
|
|
|
|
spin_lock(&bcm->irq_lock);
|
|
|
|
reason = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON);
|
|
if (reason == 0xffffffff) {
|
|
/* irq not for us (shared irq) */
|
|
ret = IRQ_NONE;
|
|
goto out;
|
|
}
|
|
reason &= bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK);
|
|
if (!reason)
|
|
goto out;
|
|
|
|
assert(bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED);
|
|
assert(bcm->current_core->id == BCM43xx_COREID_80211);
|
|
|
|
bcm->dma_reason[0] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA0_REASON)
|
|
& 0x0001DC00;
|
|
bcm->dma_reason[1] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA1_REASON)
|
|
& 0x0000DC00;
|
|
bcm->dma_reason[2] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA2_REASON)
|
|
& 0x0000DC00;
|
|
bcm->dma_reason[3] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA3_REASON)
|
|
& 0x0001DC00;
|
|
bcm->dma_reason[4] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA4_REASON)
|
|
& 0x0000DC00;
|
|
bcm->dma_reason[5] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA5_REASON)
|
|
& 0x0000DC00;
|
|
|
|
bcm43xx_interrupt_ack(bcm, reason);
|
|
|
|
/* disable all IRQs. They are enabled again in the bottom half. */
|
|
bcm->irq_savedstate = bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL);
|
|
/* save the reason code and call our bottom half. */
|
|
bcm->irq_reason = reason;
|
|
tasklet_schedule(&bcm->isr_tasklet);
|
|
|
|
out:
|
|
mmiowb();
|
|
spin_unlock(&bcm->irq_lock);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void bcm43xx_release_firmware(struct bcm43xx_private *bcm, int force)
|
|
{
|
|
struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
|
|
|
|
if (bcm->firmware_norelease && !force)
|
|
return; /* Suspending or controller reset. */
|
|
release_firmware(phy->ucode);
|
|
phy->ucode = NULL;
|
|
release_firmware(phy->pcm);
|
|
phy->pcm = NULL;
|
|
release_firmware(phy->initvals0);
|
|
phy->initvals0 = NULL;
|
|
release_firmware(phy->initvals1);
|
|
phy->initvals1 = NULL;
|
|
}
|
|
|
|
static int bcm43xx_request_firmware(struct bcm43xx_private *bcm)
|
|
{
|
|
struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
|
|
u8 rev = bcm->current_core->rev;
|
|
int err = 0;
|
|
int nr;
|
|
char buf[22 + sizeof(modparam_fwpostfix) - 1] = { 0 };
|
|
|
|
if (!phy->ucode) {
|
|
snprintf(buf, ARRAY_SIZE(buf), "bcm43xx_microcode%d%s.fw",
|
|
(rev >= 5 ? 5 : rev),
|
|
modparam_fwpostfix);
|
|
err = request_firmware(&phy->ucode, buf, &bcm->pci_dev->dev);
|
|
if (err) {
|
|
printk(KERN_ERR PFX
|
|
"Error: Microcode \"%s\" not available or load failed.\n",
|
|
buf);
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
if (!phy->pcm) {
|
|
snprintf(buf, ARRAY_SIZE(buf),
|
|
"bcm43xx_pcm%d%s.fw",
|
|
(rev < 5 ? 4 : 5),
|
|
modparam_fwpostfix);
|
|
err = request_firmware(&phy->pcm, buf, &bcm->pci_dev->dev);
|
|
if (err) {
|
|
printk(KERN_ERR PFX
|
|
"Error: PCM \"%s\" not available or load failed.\n",
|
|
buf);
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
if (!phy->initvals0) {
|
|
if (rev == 2 || rev == 4) {
|
|
switch (phy->type) {
|
|
case BCM43xx_PHYTYPE_A:
|
|
nr = 3;
|
|
break;
|
|
case BCM43xx_PHYTYPE_B:
|
|
case BCM43xx_PHYTYPE_G:
|
|
nr = 1;
|
|
break;
|
|
default:
|
|
goto err_noinitval;
|
|
}
|
|
|
|
} else if (rev >= 5) {
|
|
switch (phy->type) {
|
|
case BCM43xx_PHYTYPE_A:
|
|
nr = 7;
|
|
break;
|
|
case BCM43xx_PHYTYPE_B:
|
|
case BCM43xx_PHYTYPE_G:
|
|
nr = 5;
|
|
break;
|
|
default:
|
|
goto err_noinitval;
|
|
}
|
|
} else
|
|
goto err_noinitval;
|
|
snprintf(buf, ARRAY_SIZE(buf), "bcm43xx_initval%02d%s.fw",
|
|
nr, modparam_fwpostfix);
|
|
|
|
err = request_firmware(&phy->initvals0, buf, &bcm->pci_dev->dev);
|
|
if (err) {
|
|
printk(KERN_ERR PFX
|
|
"Error: InitVals \"%s\" not available or load failed.\n",
|
|
buf);
|
|
goto error;
|
|
}
|
|
if (phy->initvals0->size % sizeof(struct bcm43xx_initval)) {
|
|
printk(KERN_ERR PFX "InitVals fileformat error.\n");
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
if (!phy->initvals1) {
|
|
if (rev >= 5) {
|
|
u32 sbtmstatehigh;
|
|
|
|
switch (phy->type) {
|
|
case BCM43xx_PHYTYPE_A:
|
|
sbtmstatehigh = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH);
|
|
if (sbtmstatehigh & 0x00010000)
|
|
nr = 9;
|
|
else
|
|
nr = 10;
|
|
break;
|
|
case BCM43xx_PHYTYPE_B:
|
|
case BCM43xx_PHYTYPE_G:
|
|
nr = 6;
|
|
break;
|
|
default:
|
|
goto err_noinitval;
|
|
}
|
|
snprintf(buf, ARRAY_SIZE(buf), "bcm43xx_initval%02d%s.fw",
|
|
nr, modparam_fwpostfix);
|
|
|
|
err = request_firmware(&phy->initvals1, buf, &bcm->pci_dev->dev);
|
|
if (err) {
|
|
printk(KERN_ERR PFX
|
|
"Error: InitVals \"%s\" not available or load failed.\n",
|
|
buf);
|
|
goto error;
|
|
}
|
|
if (phy->initvals1->size % sizeof(struct bcm43xx_initval)) {
|
|
printk(KERN_ERR PFX "InitVals fileformat error.\n");
|
|
goto error;
|
|
}
|
|
}
|
|
}
|
|
|
|
out:
|
|
return err;
|
|
error:
|
|
bcm43xx_release_firmware(bcm, 1);
|
|
goto out;
|
|
err_noinitval:
|
|
printk(KERN_ERR PFX "Error: No InitVals available!\n");
|
|
err = -ENOENT;
|
|
goto error;
|
|
}
|
|
|
|
static void bcm43xx_upload_microcode(struct bcm43xx_private *bcm)
|
|
{
|
|
struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
|
|
const u32 *data;
|
|
unsigned int i, len;
|
|
|
|
/* Upload Microcode. */
|
|
data = (u32 *)(phy->ucode->data);
|
|
len = phy->ucode->size / sizeof(u32);
|
|
bcm43xx_shm_control_word(bcm, BCM43xx_SHM_UCODE, 0x0000);
|
|
for (i = 0; i < len; i++) {
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_DATA,
|
|
be32_to_cpu(data[i]));
|
|
udelay(10);
|
|
}
|
|
|
|
/* Upload PCM data. */
|
|
data = (u32 *)(phy->pcm->data);
|
|
len = phy->pcm->size / sizeof(u32);
|
|
bcm43xx_shm_control_word(bcm, BCM43xx_SHM_PCM, 0x01ea);
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_DATA, 0x00004000);
|
|
bcm43xx_shm_control_word(bcm, BCM43xx_SHM_PCM, 0x01eb);
|
|
for (i = 0; i < len; i++) {
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_DATA,
|
|
be32_to_cpu(data[i]));
|
|
udelay(10);
|
|
}
|
|
}
|
|
|
|
static int bcm43xx_write_initvals(struct bcm43xx_private *bcm,
|
|
const struct bcm43xx_initval *data,
|
|
const unsigned int len)
|
|
{
|
|
u16 offset, size;
|
|
u32 value;
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < len; i++) {
|
|
offset = be16_to_cpu(data[i].offset);
|
|
size = be16_to_cpu(data[i].size);
|
|
value = be32_to_cpu(data[i].value);
|
|
|
|
if (unlikely(offset >= 0x1000))
|
|
goto err_format;
|
|
if (size == 2) {
|
|
if (unlikely(value & 0xFFFF0000))
|
|
goto err_format;
|
|
bcm43xx_write16(bcm, offset, (u16)value);
|
|
} else if (size == 4) {
|
|
bcm43xx_write32(bcm, offset, value);
|
|
} else
|
|
goto err_format;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err_format:
|
|
printk(KERN_ERR PFX "InitVals (bcm43xx_initvalXX.fw) file-format error. "
|
|
"Please fix your bcm43xx firmware files.\n");
|
|
return -EPROTO;
|
|
}
|
|
|
|
static int bcm43xx_upload_initvals(struct bcm43xx_private *bcm)
|
|
{
|
|
struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
|
|
int err;
|
|
|
|
err = bcm43xx_write_initvals(bcm, (struct bcm43xx_initval *)phy->initvals0->data,
|
|
phy->initvals0->size / sizeof(struct bcm43xx_initval));
|
|
if (err)
|
|
goto out;
|
|
if (phy->initvals1) {
|
|
err = bcm43xx_write_initvals(bcm, (struct bcm43xx_initval *)phy->initvals1->data,
|
|
phy->initvals1->size / sizeof(struct bcm43xx_initval));
|
|
if (err)
|
|
goto out;
|
|
}
|
|
out:
|
|
return err;
|
|
}
|
|
|
|
static int bcm43xx_initialize_irq(struct bcm43xx_private *bcm)
|
|
{
|
|
int err;
|
|
|
|
bcm->irq = bcm->pci_dev->irq;
|
|
err = request_irq(bcm->irq, bcm43xx_interrupt_handler,
|
|
IRQF_SHARED, KBUILD_MODNAME, bcm);
|
|
if (err)
|
|
printk(KERN_ERR PFX "Cannot register IRQ%d\n", bcm->irq);
|
|
|
|
return err;
|
|
}
|
|
|
|
/* Switch to the core used to write the GPIO register.
|
|
* This is either the ChipCommon, or the PCI core.
|
|
*/
|
|
static int switch_to_gpio_core(struct bcm43xx_private *bcm)
|
|
{
|
|
int err;
|
|
|
|
/* Where to find the GPIO register depends on the chipset.
|
|
* If it has a ChipCommon, its register at offset 0x6c is the GPIO
|
|
* control register. Otherwise the register at offset 0x6c in the
|
|
* PCI core is the GPIO control register.
|
|
*/
|
|
err = bcm43xx_switch_core(bcm, &bcm->core_chipcommon);
|
|
if (err == -ENODEV) {
|
|
err = bcm43xx_switch_core(bcm, &bcm->core_pci);
|
|
if (unlikely(err == -ENODEV)) {
|
|
printk(KERN_ERR PFX "gpio error: "
|
|
"Neither ChipCommon nor PCI core available!\n");
|
|
}
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
/* Initialize the GPIOs
|
|
* http://bcm-specs.sipsolutions.net/GPIO
|
|
*/
|
|
static int bcm43xx_gpio_init(struct bcm43xx_private *bcm)
|
|
{
|
|
struct bcm43xx_coreinfo *old_core;
|
|
int err;
|
|
u32 mask, set;
|
|
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD,
|
|
bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD)
|
|
& 0xFFFF3FFF);
|
|
|
|
bcm43xx_leds_switch_all(bcm, 0);
|
|
bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_MASK,
|
|
bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_MASK) | 0x000F);
|
|
|
|
mask = 0x0000001F;
|
|
set = 0x0000000F;
|
|
if (bcm->chip_id == 0x4301) {
|
|
mask |= 0x0060;
|
|
set |= 0x0060;
|
|
}
|
|
if (0 /* FIXME: conditional unknown */) {
|
|
bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_MASK,
|
|
bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_MASK)
|
|
| 0x0100);
|
|
mask |= 0x0180;
|
|
set |= 0x0180;
|
|
}
|
|
if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL) {
|
|
bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_MASK,
|
|
bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_MASK)
|
|
| 0x0200);
|
|
mask |= 0x0200;
|
|
set |= 0x0200;
|
|
}
|
|
if (bcm->current_core->rev >= 2)
|
|
mask |= 0x0010; /* FIXME: This is redundant. */
|
|
|
|
old_core = bcm->current_core;
|
|
err = switch_to_gpio_core(bcm);
|
|
if (err)
|
|
goto out;
|
|
bcm43xx_write32(bcm, BCM43xx_GPIO_CONTROL,
|
|
(bcm43xx_read32(bcm, BCM43xx_GPIO_CONTROL) & mask) | set);
|
|
err = bcm43xx_switch_core(bcm, old_core);
|
|
out:
|
|
return err;
|
|
}
|
|
|
|
/* Turn off all GPIO stuff. Call this on module unload, for example. */
|
|
static int bcm43xx_gpio_cleanup(struct bcm43xx_private *bcm)
|
|
{
|
|
struct bcm43xx_coreinfo *old_core;
|
|
int err;
|
|
|
|
old_core = bcm->current_core;
|
|
err = switch_to_gpio_core(bcm);
|
|
if (err)
|
|
return err;
|
|
bcm43xx_write32(bcm, BCM43xx_GPIO_CONTROL, 0x00000000);
|
|
err = bcm43xx_switch_core(bcm, old_core);
|
|
assert(err == 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* http://bcm-specs.sipsolutions.net/EnableMac */
|
|
void bcm43xx_mac_enable(struct bcm43xx_private *bcm)
|
|
{
|
|
bcm->mac_suspended--;
|
|
assert(bcm->mac_suspended >= 0);
|
|
if (bcm->mac_suspended == 0) {
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD,
|
|
bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD)
|
|
| BCM43xx_SBF_MAC_ENABLED);
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, BCM43xx_IRQ_READY);
|
|
bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); /* dummy read */
|
|
bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */
|
|
bcm43xx_power_saving_ctl_bits(bcm, -1, -1);
|
|
}
|
|
}
|
|
|
|
/* http://bcm-specs.sipsolutions.net/SuspendMAC */
|
|
void bcm43xx_mac_suspend(struct bcm43xx_private *bcm)
|
|
{
|
|
int i;
|
|
u32 tmp;
|
|
|
|
assert(bcm->mac_suspended >= 0);
|
|
if (bcm->mac_suspended == 0) {
|
|
bcm43xx_power_saving_ctl_bits(bcm, -1, 1);
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD,
|
|
bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD)
|
|
& ~BCM43xx_SBF_MAC_ENABLED);
|
|
bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */
|
|
for (i = 10000; i; i--) {
|
|
tmp = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON);
|
|
if (tmp & BCM43xx_IRQ_READY)
|
|
goto out;
|
|
udelay(1);
|
|
}
|
|
printkl(KERN_ERR PFX "MAC suspend failed\n");
|
|
}
|
|
out:
|
|
bcm->mac_suspended++;
|
|
}
|
|
|
|
void bcm43xx_set_iwmode(struct bcm43xx_private *bcm,
|
|
int iw_mode)
|
|
{
|
|
unsigned long flags;
|
|
struct net_device *net_dev = bcm->net_dev;
|
|
u32 status;
|
|
u16 value;
|
|
|
|
spin_lock_irqsave(&bcm->ieee->lock, flags);
|
|
bcm->ieee->iw_mode = iw_mode;
|
|
spin_unlock_irqrestore(&bcm->ieee->lock, flags);
|
|
if (iw_mode == IW_MODE_MONITOR)
|
|
net_dev->type = ARPHRD_IEEE80211;
|
|
else
|
|
net_dev->type = ARPHRD_ETHER;
|
|
|
|
status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
|
|
/* Reset status to infrastructured mode */
|
|
status &= ~(BCM43xx_SBF_MODE_AP | BCM43xx_SBF_MODE_MONITOR);
|
|
status &= ~BCM43xx_SBF_MODE_PROMISC;
|
|
status |= BCM43xx_SBF_MODE_NOTADHOC;
|
|
|
|
/* FIXME: Always enable promisc mode, until we get the MAC filters working correctly. */
|
|
status |= BCM43xx_SBF_MODE_PROMISC;
|
|
|
|
switch (iw_mode) {
|
|
case IW_MODE_MONITOR:
|
|
status |= BCM43xx_SBF_MODE_MONITOR;
|
|
status |= BCM43xx_SBF_MODE_PROMISC;
|
|
break;
|
|
case IW_MODE_ADHOC:
|
|
status &= ~BCM43xx_SBF_MODE_NOTADHOC;
|
|
break;
|
|
case IW_MODE_MASTER:
|
|
status |= BCM43xx_SBF_MODE_AP;
|
|
break;
|
|
case IW_MODE_SECOND:
|
|
case IW_MODE_REPEAT:
|
|
TODO(); /* TODO */
|
|
break;
|
|
case IW_MODE_INFRA:
|
|
/* nothing to be done here... */
|
|
break;
|
|
default:
|
|
dprintk(KERN_ERR PFX "Unknown mode in set_iwmode: %d\n", iw_mode);
|
|
}
|
|
if (net_dev->flags & IFF_PROMISC)
|
|
status |= BCM43xx_SBF_MODE_PROMISC;
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status);
|
|
|
|
value = 0x0002;
|
|
if (iw_mode != IW_MODE_ADHOC && iw_mode != IW_MODE_MASTER) {
|
|
if (bcm->chip_id == 0x4306 && bcm->chip_rev == 3)
|
|
value = 0x0064;
|
|
else
|
|
value = 0x0032;
|
|
}
|
|
bcm43xx_write16(bcm, 0x0612, value);
|
|
}
|
|
|
|
/* This is the opposite of bcm43xx_chip_init() */
|
|
static void bcm43xx_chip_cleanup(struct bcm43xx_private *bcm)
|
|
{
|
|
bcm43xx_radio_turn_off(bcm);
|
|
if (!modparam_noleds)
|
|
bcm43xx_leds_exit(bcm);
|
|
bcm43xx_gpio_cleanup(bcm);
|
|
bcm43xx_release_firmware(bcm, 0);
|
|
}
|
|
|
|
/* Initialize the chip
|
|
* http://bcm-specs.sipsolutions.net/ChipInit
|
|
*/
|
|
static int bcm43xx_chip_init(struct bcm43xx_private *bcm)
|
|
{
|
|
struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
|
|
struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
|
|
int err;
|
|
int i, tmp;
|
|
u32 value32;
|
|
u16 value16;
|
|
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD,
|
|
BCM43xx_SBF_CORE_READY
|
|
| BCM43xx_SBF_400);
|
|
|
|
err = bcm43xx_request_firmware(bcm);
|
|
if (err)
|
|
goto out;
|
|
bcm43xx_upload_microcode(bcm);
|
|
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, 0xFFFFFFFF);
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, 0x00020402);
|
|
i = 0;
|
|
while (1) {
|
|
value32 = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON);
|
|
if (value32 == BCM43xx_IRQ_READY)
|
|
break;
|
|
i++;
|
|
if (i >= BCM43xx_IRQWAIT_MAX_RETRIES) {
|
|
printk(KERN_ERR PFX "IRQ_READY timeout\n");
|
|
err = -ENODEV;
|
|
goto err_release_fw;
|
|
}
|
|
udelay(10);
|
|
}
|
|
bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */
|
|
|
|
value16 = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
|
|
BCM43xx_UCODE_REVISION);
|
|
|
|
dprintk(KERN_INFO PFX "Microcode rev 0x%x, pl 0x%x "
|
|
"(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n", value16,
|
|
bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
|
|
BCM43xx_UCODE_PATCHLEVEL),
|
|
(bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
|
|
BCM43xx_UCODE_DATE) >> 12) & 0xf,
|
|
(bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
|
|
BCM43xx_UCODE_DATE) >> 8) & 0xf,
|
|
bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
|
|
BCM43xx_UCODE_DATE) & 0xff,
|
|
(bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
|
|
BCM43xx_UCODE_TIME) >> 11) & 0x1f,
|
|
(bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
|
|
BCM43xx_UCODE_TIME) >> 5) & 0x3f,
|
|
bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
|
|
BCM43xx_UCODE_TIME) & 0x1f);
|
|
|
|
if ( value16 > 0x128 ) {
|
|
printk(KERN_ERR PFX
|
|
"Firmware: no support for microcode extracted "
|
|
"from version 4.x binary drivers.\n");
|
|
err = -EOPNOTSUPP;
|
|
goto err_release_fw;
|
|
}
|
|
|
|
err = bcm43xx_gpio_init(bcm);
|
|
if (err)
|
|
goto err_release_fw;
|
|
|
|
err = bcm43xx_upload_initvals(bcm);
|
|
if (err)
|
|
goto err_gpio_cleanup;
|
|
bcm43xx_radio_turn_on(bcm);
|
|
bcm->radio_hw_enable = bcm43xx_is_hw_radio_enabled(bcm);
|
|
dprintk(KERN_INFO PFX "Radio %s by hardware\n",
|
|
(bcm->radio_hw_enable == 0) ? "disabled" : "enabled");
|
|
|
|
bcm43xx_write16(bcm, 0x03E6, 0x0000);
|
|
err = bcm43xx_phy_init(bcm);
|
|
if (err)
|
|
goto err_radio_off;
|
|
|
|
/* Select initial Interference Mitigation. */
|
|
tmp = radio->interfmode;
|
|
radio->interfmode = BCM43xx_RADIO_INTERFMODE_NONE;
|
|
bcm43xx_radio_set_interference_mitigation(bcm, tmp);
|
|
|
|
bcm43xx_phy_set_antenna_diversity(bcm);
|
|
bcm43xx_radio_set_txantenna(bcm, BCM43xx_RADIO_TXANTENNA_DEFAULT);
|
|
if (phy->type == BCM43xx_PHYTYPE_B) {
|
|
value16 = bcm43xx_read16(bcm, 0x005E);
|
|
value16 |= 0x0004;
|
|
bcm43xx_write16(bcm, 0x005E, value16);
|
|
}
|
|
bcm43xx_write32(bcm, 0x0100, 0x01000000);
|
|
if (bcm->current_core->rev < 5)
|
|
bcm43xx_write32(bcm, 0x010C, 0x01000000);
|
|
|
|
value32 = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
|
|
value32 &= ~ BCM43xx_SBF_MODE_NOTADHOC;
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, value32);
|
|
value32 = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
|
|
value32 |= BCM43xx_SBF_MODE_NOTADHOC;
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, value32);
|
|
|
|
value32 = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
|
|
value32 |= 0x100000;
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, value32);
|
|
|
|
if (bcm43xx_using_pio(bcm)) {
|
|
bcm43xx_write32(bcm, 0x0210, 0x00000100);
|
|
bcm43xx_write32(bcm, 0x0230, 0x00000100);
|
|
bcm43xx_write32(bcm, 0x0250, 0x00000100);
|
|
bcm43xx_write32(bcm, 0x0270, 0x00000100);
|
|
bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0034, 0x0000);
|
|
}
|
|
|
|
/* Probe Response Timeout value */
|
|
/* FIXME: Default to 0, has to be set by ioctl probably... :-/ */
|
|
bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0074, 0x0000);
|
|
|
|
/* Initially set the wireless operation mode. */
|
|
bcm43xx_set_iwmode(bcm, bcm->ieee->iw_mode);
|
|
|
|
if (bcm->current_core->rev < 3) {
|
|
bcm43xx_write16(bcm, 0x060E, 0x0000);
|
|
bcm43xx_write16(bcm, 0x0610, 0x8000);
|
|
bcm43xx_write16(bcm, 0x0604, 0x0000);
|
|
bcm43xx_write16(bcm, 0x0606, 0x0200);
|
|
} else {
|
|
bcm43xx_write32(bcm, 0x0188, 0x80000000);
|
|
bcm43xx_write32(bcm, 0x018C, 0x02000000);
|
|
}
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, 0x00004000);
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_DMA0_IRQ_MASK, 0x0001DC00);
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_DMA1_IRQ_MASK, 0x0000DC00);
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_DMA2_IRQ_MASK, 0x0000DC00);
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_DMA3_IRQ_MASK, 0x0001DC00);
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_DMA4_IRQ_MASK, 0x0000DC00);
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_DMA5_IRQ_MASK, 0x0000DC00);
|
|
|
|
value32 = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
|
|
value32 |= 0x00100000;
|
|
bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, value32);
|
|
|
|
bcm43xx_write16(bcm, BCM43xx_MMIO_POWERUP_DELAY, bcm43xx_pctl_powerup_delay(bcm));
|
|
|
|
assert(err == 0);
|
|
dprintk(KERN_INFO PFX "Chip initialized\n");
|
|
out:
|
|
return err;
|
|
|
|
err_radio_off:
|
|
bcm43xx_radio_turn_off(bcm);
|
|
err_gpio_cleanup:
|
|
bcm43xx_gpio_cleanup(bcm);
|
|
err_release_fw:
|
|
bcm43xx_release_firmware(bcm, 1);
|
|
goto out;
|
|
}
|
|
|
|
/* Validate chip access
|
|
* http://bcm-specs.sipsolutions.net/ValidateChipAccess */
|
|
static int bcm43xx_validate_chip(struct bcm43xx_private *bcm)
|
|
{
|
|
u32 value;
|
|
u32 shm_backup;
|
|
|
|
shm_backup = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, 0x0000);
|
|
bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, 0x0000, 0xAA5555AA);
|
|
if (bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, 0x0000) != 0xAA5555AA)
|
|
goto error;
|
|
bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, 0x0000, 0x55AAAA55);
|
|
if (bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, 0x0000) != 0x55AAAA55)
|
|
goto error;
|
|
bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, 0x0000, shm_backup);
|
|
|
|
value = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
|
|
if ((value | 0x80000000) != 0x80000400)
|
|
goto error;
|
|
|
|
value = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON);
|
|
if (value != 0x00000000)
|
|
goto error;
|
|
|
|
return 0;
|
|
error:
|
|
printk(KERN_ERR PFX "Failed to validate the chipaccess\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
static void bcm43xx_init_struct_phyinfo(struct bcm43xx_phyinfo *phy)
|
|
{
|
|
/* Initialize a "phyinfo" structure. The structure is already
|
|
* zeroed out.
|
|
* This is called on insmod time to initialize members.
|
|
*/
|
|
phy->savedpctlreg = 0xFFFF;
|
|
spin_lock_init(&phy->lock);
|
|
}
|
|
|
|
static void bcm43xx_init_struct_radioinfo(struct bcm43xx_radioinfo *radio)
|
|
{
|
|
/* Initialize a "radioinfo" structure. The structure is already
|
|
* zeroed out.
|
|
* This is called on insmod time to initialize members.
|
|
*/
|
|
radio->interfmode = BCM43xx_RADIO_INTERFMODE_NONE;
|
|
radio->channel = 0xFF;
|
|
radio->initial_channel = 0xFF;
|
|
}
|
|
|
|
static int bcm43xx_probe_cores(struct bcm43xx_private *bcm)
|
|
{
|
|
int err, i;
|
|
int current_core;
|
|
u32 core_vendor, core_id, core_rev;
|
|
u32 sb_id_hi, chip_id_32 = 0;
|
|
u16 pci_device, chip_id_16;
|
|
u8 core_count;
|
|
|
|
memset(&bcm->core_chipcommon, 0, sizeof(struct bcm43xx_coreinfo));
|
|
memset(&bcm->core_pci, 0, sizeof(struct bcm43xx_coreinfo));
|
|
memset(&bcm->core_80211, 0, sizeof(struct bcm43xx_coreinfo)
|
|
* BCM43xx_MAX_80211_CORES);
|
|
memset(&bcm->core_80211_ext, 0, sizeof(struct bcm43xx_coreinfo_80211)
|
|
* BCM43xx_MAX_80211_CORES);
|
|
bcm->nr_80211_available = 0;
|
|
bcm->current_core = NULL;
|
|
bcm->active_80211_core = NULL;
|
|
|
|
/* map core 0 */
|
|
err = _switch_core(bcm, 0);
|
|
if (err)
|
|
goto out;
|
|
|
|
/* fetch sb_id_hi from core information registers */
|
|
sb_id_hi = bcm43xx_read32(bcm, BCM43xx_CIR_SB_ID_HI);
|
|
|
|
core_id = (sb_id_hi & 0x8FF0) >> 4;
|
|
core_rev = (sb_id_hi & 0x7000) >> 8;
|
|
core_rev |= (sb_id_hi & 0xF);
|
|
core_vendor = (sb_id_hi & 0xFFFF0000) >> 16;
|
|
|
|
/* if present, chipcommon is always core 0; read the chipid from it */
|
|
if (core_id == BCM43xx_COREID_CHIPCOMMON) {
|
|
chip_id_32 = bcm43xx_read32(bcm, 0);
|
|
chip_id_16 = chip_id_32 & 0xFFFF;
|
|
bcm->core_chipcommon.available = 1;
|
|
bcm->core_chipcommon.id = core_id;
|
|
bcm->core_chipcommon.rev = core_rev;
|
|
bcm->core_chipcommon.index = 0;
|
|
/* While we are at it, also read the capabilities. */
|
|
bcm->chipcommon_capabilities = bcm43xx_read32(bcm, BCM43xx_CHIPCOMMON_CAPABILITIES);
|
|
} else {
|
|
/* without a chipCommon, use a hard coded table. */
|
|
pci_device = bcm->pci_dev->device;
|
|
if (pci_device == 0x4301)
|
|
chip_id_16 = 0x4301;
|
|
else if ((pci_device >= 0x4305) && (pci_device <= 0x4307))
|
|
chip_id_16 = 0x4307;
|
|
else if ((pci_device >= 0x4402) && (pci_device <= 0x4403))
|
|
chip_id_16 = 0x4402;
|
|
else if ((pci_device >= 0x4610) && (pci_device <= 0x4615))
|
|
chip_id_16 = 0x4610;
|
|
else if ((pci_device >= 0x4710) && (pci_device <= 0x4715))
|
|
chip_id_16 = 0x4710;
|
|
else {
|
|
printk(KERN_ERR PFX "Could not determine Chip ID\n");
|
|
return -ENODEV;
|
|
}
|
|
}
|
|
|
|
/* ChipCommon with Core Rev >=4 encodes number of cores,
|
|
* otherwise consult hardcoded table */
|
|
if ((core_id == BCM43xx_COREID_CHIPCOMMON) && (core_rev >= 4)) {
|
|
core_count = (chip_id_32 & 0x0F000000) >> 24;
|
|
} else {
|
|
switch (chip_id_16) {
|
|
case 0x4610:
|
|
case 0x4704:
|
|
case 0x4710:
|
|
core_count = 9;
|
|
break;
|
|
case 0x4310:
|
|
core_count = 8;
|
|
break;
|
|
case 0x5365:
|
|
core_count = 7;
|
|
break;
|
|
case 0x4306:
|
|
core_count = 6;
|
|
break;
|
|
case 0x4301:
|
|
case 0x4307:
|
|
core_count = 5;
|
|
break;
|
|
case 0x4402:
|
|
core_count = 3;
|
|
break;
|
|
default:
|
|
/* SOL if we get here */
|
|
assert(0);
|
|
core_count = 1;
|
|
}
|
|
}
|
|
|
|
bcm->chip_id = chip_id_16;
|
|
bcm->chip_rev = (chip_id_32 & 0x000F0000) >> 16;
|
|
bcm->chip_package = (chip_id_32 & 0x00F00000) >> 20;
|
|
|
|
dprintk(KERN_INFO PFX "Chip ID 0x%x, rev 0x%x\n",
|
|
bcm->chip_id, bcm->chip_rev);
|
|
dprintk(KERN_INFO PFX "Number of cores: %d\n", core_count);
|
|
if (bcm->core_chipcommon.available) {
|
|
dprintk(KERN_INFO PFX "Core 0: ID 0x%x, rev 0x%x, vendor 0x%x\n",
|
|
core_id, core_rev, core_vendor);
|
|
current_core = 1;
|
|
} else
|
|
current_core = 0;
|
|
for ( ; current_core < core_count; current_core++) {
|
|
struct bcm43xx_coreinfo *core;
|
|
struct bcm43xx_coreinfo_80211 *ext_80211;
|
|
|
|
err = _switch_core(bcm, current_core);
|
|
if (err)
|
|
goto out;
|
|
/* Gather information */
|
|
/* fetch sb_id_hi from core information registers */
|
|
sb_id_hi = bcm43xx_read32(bcm, BCM43xx_CIR_SB_ID_HI);
|
|
|
|
/* extract core_id, core_rev, core_vendor */
|
|
core_id = (sb_id_hi & 0x8FF0) >> 4;
|
|
core_rev = ((sb_id_hi & 0xF) | ((sb_id_hi & 0x7000) >> 8));
|
|
core_vendor = (sb_id_hi & 0xFFFF0000) >> 16;
|
|
|
|
dprintk(KERN_INFO PFX "Core %d: ID 0x%x, rev 0x%x, vendor 0x%x\n",
|
|
current_core, core_id, core_rev, core_vendor);
|
|
|
|
core = NULL;
|
|
switch (core_id) {
|
|
case BCM43xx_COREID_PCI:
|
|
case BCM43xx_COREID_PCIE:
|
|
core = &bcm->core_pci;
|
|
if (core->available) {
|
|
printk(KERN_WARNING PFX "Multiple PCI cores found.\n");
|
|
continue;
|
|
}
|
|
break;
|
|
case BCM43xx_COREID_80211:
|
|
for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) {
|
|
core = &(bcm->core_80211[i]);
|
|
ext_80211 = &(bcm->core_80211_ext[i]);
|
|
if (!core->available)
|
|
break;
|
|
core = NULL;
|
|
}
|
|
if (!core) {
|
|
printk(KERN_WARNING PFX "More than %d cores of type 802.11 found.\n",
|
|
BCM43xx_MAX_80211_CORES);
|
|
continue;
|
|
}
|
|
if (i != 0) {
|
|
/* More than one 80211 core is only supported
|
|
* by special chips.
|
|
* There are chips with two 80211 cores, but with
|
|
* dangling pins on the second core. Be careful
|
|
* and ignore these cores here.
|
|
*/
|
|
if (1 /*bcm->pci_dev->device != 0x4324*/ ) {
|
|
/* TODO: A PHY */
|
|
dprintk(KERN_INFO PFX "Ignoring additional 802.11a core.\n");
|
|
continue;
|
|
}
|
|
}
|
|
switch (core_rev) {
|
|
case 2:
|
|
case 4:
|
|
case 5:
|
|
case 6:
|
|
case 7:
|
|
case 9:
|
|
case 10:
|
|
break;
|
|
default:
|
|
printk(KERN_WARNING PFX
|
|
"Unsupported 80211 core revision %u\n",
|
|
core_rev);
|
|
}
|
|
bcm->nr_80211_available++;
|
|
core->priv = ext_80211;
|
|
bcm43xx_init_struct_phyinfo(&ext_80211->phy);
|
|
bcm43xx_init_struct_radioinfo(&ext_80211->radio);
|
|
break;
|
|
case BCM43xx_COREID_CHIPCOMMON:
|
|
printk(KERN_WARNING PFX "Multiple CHIPCOMMON cores found.\n");
|
|
break;
|
|
}
|
|
if (core) {
|
|
core->available = 1;
|
|
core->id = core_id;
|
|
core->rev = core_rev;
|
|
core->index = current_core;
|
|
}
|
|
}
|
|
|
|
if (!bcm->core_80211[0].available) {
|
|
printk(KERN_ERR PFX "Error: No 80211 core found!\n");
|
|
err = -ENODEV;
|
|
goto out;
|
|
}
|
|
|
|
err = bcm43xx_switch_core(bcm, &bcm->core_80211[0]);
|
|
|
|
assert(err == 0);
|
|
out:
|
|
return err;
|
|
}
|
|
|
|
static void bcm43xx_gen_bssid(struct bcm43xx_private *bcm)
|
|
{
|
|
const u8 *mac = (const u8*)(bcm->net_dev->dev_addr);
|
|
u8 *bssid = bcm->ieee->bssid;
|
|
|
|
switch (bcm->ieee->iw_mode) {
|
|
case IW_MODE_ADHOC:
|
|
random_ether_addr(bssid);
|
|
break;
|
|
case IW_MODE_MASTER:
|
|
case IW_MODE_INFRA:
|
|
case IW_MODE_REPEAT:
|
|
case IW_MODE_SECOND:
|
|
case IW_MODE_MONITOR:
|
|
memcpy(bssid, mac, ETH_ALEN);
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
}
|
|
|
|
static void bcm43xx_rate_memory_write(struct bcm43xx_private *bcm,
|
|
u16 rate,
|
|
int is_ofdm)
|
|
{
|
|
u16 offset;
|
|
|
|
if (is_ofdm) {
|
|
offset = 0x480;
|
|
offset += (bcm43xx_plcp_get_ratecode_ofdm(rate) & 0x000F) * 2;
|
|
}
|
|
else {
|
|
offset = 0x4C0;
|
|
offset += (bcm43xx_plcp_get_ratecode_cck(rate) & 0x000F) * 2;
|
|
}
|
|
bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, offset + 0x20,
|
|
bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, offset));
|
|
}
|
|
|
|
static void bcm43xx_rate_memory_init(struct bcm43xx_private *bcm)
|
|
{
|
|
switch (bcm43xx_current_phy(bcm)->type) {
|
|
case BCM43xx_PHYTYPE_A:
|
|
case BCM43xx_PHYTYPE_G:
|
|
bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_6MB, 1);
|
|
bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_12MB, 1);
|
|
bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_18MB, 1);
|
|
bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_24MB, 1);
|
|
bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_36MB, 1);
|
|
bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_48MB, 1);
|
|
bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_54MB, 1);
|
|
case BCM43xx_PHYTYPE_B:
|
|
bcm43xx_rate_memory_write(bcm, IEEE80211_CCK_RATE_1MB, 0);
|
|
bcm43xx_rate_memory_write(bcm, IEEE80211_CCK_RATE_2MB, 0);
|
|
bcm43xx_rate_memory_write(bcm, IEEE80211_CCK_RATE_5MB, 0);
|
|
bcm43xx_rate_memory_write(bcm, IEEE80211_CCK_RATE_11MB, 0);
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
}
|
|
|
|
static void bcm43xx_wireless_core_cleanup(struct bcm43xx_private *bcm)
|
|
{
|
|
bcm43xx_chip_cleanup(bcm);
|
|
bcm43xx_pio_free(bcm);
|
|
bcm43xx_dma_free(bcm);
|
|
|
|
bcm->current_core->initialized = 0;
|
|
}
|
|
|
|
/* http://bcm-specs.sipsolutions.net/80211Init */
|
|
static int bcm43xx_wireless_core_init(struct bcm43xx_private *bcm,
|
|
int active_wlcore)
|
|
{
|
|
struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
|
|
struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
|
|
u32 ucodeflags;
|
|
int err;
|
|
u32 sbimconfiglow;
|
|
u8 limit;
|
|
|
|
if (bcm->core_pci.rev <= 5 && bcm->core_pci.id != BCM43xx_COREID_PCIE) {
|
|
sbimconfiglow = bcm43xx_read32(bcm, BCM43xx_CIR_SBIMCONFIGLOW);
|
|
sbimconfiglow &= ~ BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_MASK;
|
|
sbimconfiglow &= ~ BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_MASK;
|
|
if (bcm->bustype == BCM43xx_BUSTYPE_PCI)
|
|
sbimconfiglow |= 0x32;
|
|
else
|
|
sbimconfiglow |= 0x53;
|
|
bcm43xx_write32(bcm, BCM43xx_CIR_SBIMCONFIGLOW, sbimconfiglow);
|
|
}
|
|
|
|
bcm43xx_phy_calibrate(bcm);
|
|
err = bcm43xx_chip_init(bcm);
|
|
if (err)
|
|
goto out;
|
|
|
|
bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0016, bcm->current_core->rev);
|
|
ucodeflags = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, BCM43xx_UCODEFLAGS_OFFSET);
|
|
|
|
if (0 /*FIXME: which condition has to be used here? */)
|
|
ucodeflags |= 0x00000010;
|
|
|
|
/* HW decryption needs to be set now */
|
|
ucodeflags |= 0x40000000;
|
|
|
|
if (phy->type == BCM43xx_PHYTYPE_G) {
|
|
ucodeflags |= BCM43xx_UCODEFLAG_UNKBGPHY;
|
|
if (phy->rev == 1)
|
|
ucodeflags |= BCM43xx_UCODEFLAG_UNKGPHY;
|
|
if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL)
|
|
ucodeflags |= BCM43xx_UCODEFLAG_UNKPACTRL;
|
|
} else if (phy->type == BCM43xx_PHYTYPE_B) {
|
|
ucodeflags |= BCM43xx_UCODEFLAG_UNKBGPHY;
|
|
if (phy->rev >= 2 && radio->version == 0x2050)
|
|
ucodeflags &= ~BCM43xx_UCODEFLAG_UNKGPHY;
|
|
}
|
|
|
|
if (ucodeflags != bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED,
|
|
BCM43xx_UCODEFLAGS_OFFSET)) {
|
|
bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED,
|
|
BCM43xx_UCODEFLAGS_OFFSET, ucodeflags);
|
|
}
|
|
|
|
/* Short/Long Retry Limit.
|
|
* The retry-limit is a 4-bit counter. Enforce this to avoid overflowing
|
|
* the chip-internal counter.
|
|
*/
|
|
limit = limit_value(modparam_short_retry, 0, 0xF);
|
|
bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0006, limit);
|
|
limit = limit_value(modparam_long_retry, 0, 0xF);
|
|
bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0007, limit);
|
|
|
|
bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0044, 3);
|
|
bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0046, 2);
|
|
|
|
bcm43xx_rate_memory_init(bcm);
|
|
|
|
/* Minimum Contention Window */
|
|
if (phy->type == BCM43xx_PHYTYPE_B)
|
|
bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0003, 0x0000001f);
|
|
else
|
|
bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0003, 0x0000000f);
|
|
/* Maximum Contention Window */
|
|
bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0004, 0x000003ff);
|
|
|
|
bcm43xx_gen_bssid(bcm);
|
|
bcm43xx_write_mac_bssid_templates(bcm);
|
|
|
|
if (bcm->current_core->rev >= 5)
|
|
bcm43xx_write16(bcm, 0x043C, 0x000C);
|
|
|
|
if (active_wlcore) {
|
|
if (bcm43xx_using_pio(bcm)) {
|
|
err = bcm43xx_pio_init(bcm);
|
|
} else {
|
|
err = bcm43xx_dma_init(bcm);
|
|
if (err == -ENOSYS)
|
|
err = bcm43xx_pio_init(bcm);
|
|
}
|
|
if (err)
|
|
goto err_chip_cleanup;
|
|
}
|
|
bcm43xx_write16(bcm, 0x0612, 0x0050);
|
|
bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0416, 0x0050);
|
|
bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0414, 0x01F4);
|
|
|
|
if (active_wlcore) {
|
|
if (radio->initial_channel != 0xFF)
|
|
bcm43xx_radio_selectchannel(bcm, radio->initial_channel, 0);
|
|
}
|
|
|
|
/* Don't enable MAC/IRQ here, as it will race with the IRQ handler.
|
|
* We enable it later.
|
|
*/
|
|
bcm->current_core->initialized = 1;
|
|
out:
|
|
return err;
|
|
|
|
err_chip_cleanup:
|
|
bcm43xx_chip_cleanup(bcm);
|
|
goto out;
|
|
}
|
|
|
|
static int bcm43xx_chipset_attach(struct bcm43xx_private *bcm)
|
|
{
|
|
int err;
|
|
u16 pci_status;
|
|
|
|
err = bcm43xx_pctl_set_crystal(bcm, 1);
|
|
if (err)
|
|
goto out;
|
|
err = bcm43xx_pci_read_config16(bcm, PCI_STATUS, &pci_status);
|
|
if (err)
|
|
goto out;
|
|
err = bcm43xx_pci_write_config16(bcm, PCI_STATUS, pci_status & ~PCI_STATUS_SIG_TARGET_ABORT);
|
|
|
|
out:
|
|
return err;
|
|
}
|
|
|
|
static void bcm43xx_chipset_detach(struct bcm43xx_private *bcm)
|
|
{
|
|
bcm43xx_pctl_set_clock(bcm, BCM43xx_PCTL_CLK_SLOW);
|
|
bcm43xx_pctl_set_crystal(bcm, 0);
|
|
}
|
|
|
|
static void bcm43xx_pcicore_broadcast_value(struct bcm43xx_private *bcm,
|
|
u32 address,
|
|
u32 data)
|
|
{
|
|
bcm43xx_write32(bcm, BCM43xx_PCICORE_BCAST_ADDR, address);
|
|
bcm43xx_write32(bcm, BCM43xx_PCICORE_BCAST_DATA, data);
|
|
}
|
|
|
|
static int bcm43xx_pcicore_commit_settings(struct bcm43xx_private *bcm)
|
|
{
|
|
int err = 0;
|
|
|
|
bcm->irq_savedstate = bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL);
|
|
|
|
if (bcm->core_chipcommon.available) {
|
|
err = bcm43xx_switch_core(bcm, &bcm->core_chipcommon);
|
|
if (err)
|
|
goto out;
|
|
|
|
bcm43xx_pcicore_broadcast_value(bcm, 0xfd8, 0x00000000);
|
|
|
|
/* this function is always called when a PCI core is mapped */
|
|
err = bcm43xx_switch_core(bcm, &bcm->core_pci);
|
|
if (err)
|
|
goto out;
|
|
} else
|
|
bcm43xx_pcicore_broadcast_value(bcm, 0xfd8, 0x00000000);
|
|
|
|
bcm43xx_interrupt_enable(bcm, bcm->irq_savedstate);
|
|
|
|
out:
|
|
return err;
|
|
}
|
|
|
|
static u32 bcm43xx_pcie_reg_read(struct bcm43xx_private *bcm, u32 address)
|
|
{
|
|
bcm43xx_write32(bcm, BCM43xx_PCIECORE_REG_ADDR, address);
|
|
return bcm43xx_read32(bcm, BCM43xx_PCIECORE_REG_DATA);
|
|
}
|
|
|
|
static void bcm43xx_pcie_reg_write(struct bcm43xx_private *bcm, u32 address,
|
|
u32 data)
|
|
{
|
|
bcm43xx_write32(bcm, BCM43xx_PCIECORE_REG_ADDR, address);
|
|
bcm43xx_write32(bcm, BCM43xx_PCIECORE_REG_DATA, data);
|
|
}
|
|
|
|
static void bcm43xx_pcie_mdio_write(struct bcm43xx_private *bcm, u8 dev, u8 reg,
|
|
u16 data)
|
|
{
|
|
int i;
|
|
|
|
bcm43xx_write32(bcm, BCM43xx_PCIECORE_MDIO_CTL, 0x0082);
|
|
bcm43xx_write32(bcm, BCM43xx_PCIECORE_MDIO_DATA, BCM43xx_PCIE_MDIO_ST |
|
|
BCM43xx_PCIE_MDIO_WT | (dev << BCM43xx_PCIE_MDIO_DEV) |
|
|
(reg << BCM43xx_PCIE_MDIO_REG) | BCM43xx_PCIE_MDIO_TA |
|
|
data);
|
|
udelay(10);
|
|
|
|
for (i = 0; i < 10; i++) {
|
|
if (bcm43xx_read32(bcm, BCM43xx_PCIECORE_MDIO_CTL) &
|
|
BCM43xx_PCIE_MDIO_TC)
|
|
break;
|
|
msleep(1);
|
|
}
|
|
bcm43xx_write32(bcm, BCM43xx_PCIECORE_MDIO_CTL, 0);
|
|
}
|
|
|
|
/* Make an I/O Core usable. "core_mask" is the bitmask of the cores to enable.
|
|
* To enable core 0, pass a core_mask of 1<<0
|
|
*/
|
|
static int bcm43xx_setup_backplane_pci_connection(struct bcm43xx_private *bcm,
|
|
u32 core_mask)
|
|
{
|
|
u32 backplane_flag_nr;
|
|
u32 value;
|
|
struct bcm43xx_coreinfo *old_core;
|
|
int err = 0;
|
|
|
|
value = bcm43xx_read32(bcm, BCM43xx_CIR_SBTPSFLAG);
|
|
backplane_flag_nr = value & BCM43xx_BACKPLANE_FLAG_NR_MASK;
|
|
|
|
old_core = bcm->current_core;
|
|
err = bcm43xx_switch_core(bcm, &bcm->core_pci);
|
|
if (err)
|
|
goto out;
|
|
|
|
if (bcm->current_core->rev < 6 &&
|
|
bcm->current_core->id == BCM43xx_COREID_PCI) {
|
|
value = bcm43xx_read32(bcm, BCM43xx_CIR_SBINTVEC);
|
|
value |= (1 << backplane_flag_nr);
|
|
bcm43xx_write32(bcm, BCM43xx_CIR_SBINTVEC, value);
|
|
} else {
|
|
err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCICFG_ICR, &value);
|
|
if (err) {
|
|
printk(KERN_ERR PFX "Error: ICR setup failure!\n");
|
|
goto out_switch_back;
|
|
}
|
|
value |= core_mask << 8;
|
|
err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_ICR, value);
|
|
if (err) {
|
|
printk(KERN_ERR PFX "Error: ICR setup failure!\n");
|
|
goto out_switch_back;
|
|
}
|
|
}
|
|
|
|
if (bcm->current_core->id == BCM43xx_COREID_PCI) {
|
|
value = bcm43xx_read32(bcm, BCM43xx_PCICORE_SBTOPCI2);
|
|
value |= BCM43xx_SBTOPCI2_PREFETCH | BCM43xx_SBTOPCI2_BURST;
|
|
bcm43xx_write32(bcm, BCM43xx_PCICORE_SBTOPCI2, value);
|
|
|
|
if (bcm->current_core->rev < 5) {
|
|
value = bcm43xx_read32(bcm, BCM43xx_CIR_SBIMCONFIGLOW);
|
|
value |= (2 << BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_SHIFT)
|
|
& BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_MASK;
|
|
value |= (3 << BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_SHIFT)
|
|
& BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_MASK;
|
|
bcm43xx_write32(bcm, BCM43xx_CIR_SBIMCONFIGLOW, value);
|
|
err = bcm43xx_pcicore_commit_settings(bcm);
|
|
assert(err == 0);
|
|
} else if (bcm->current_core->rev >= 11) {
|
|
value = bcm43xx_read32(bcm, BCM43xx_PCICORE_SBTOPCI2);
|
|
value |= BCM43xx_SBTOPCI2_MEMREAD_MULTI;
|
|
bcm43xx_write32(bcm, BCM43xx_PCICORE_SBTOPCI2, value);
|
|
}
|
|
} else {
|
|
if (bcm->current_core->rev == 0 || bcm->current_core->rev == 1) {
|
|
value = bcm43xx_pcie_reg_read(bcm, BCM43xx_PCIE_TLP_WORKAROUND);
|
|
value |= 0x8;
|
|
bcm43xx_pcie_reg_write(bcm, BCM43xx_PCIE_TLP_WORKAROUND,
|
|
value);
|
|
}
|
|
if (bcm->current_core->rev == 0) {
|
|
bcm43xx_pcie_mdio_write(bcm, BCM43xx_MDIO_SERDES_RX,
|
|
BCM43xx_SERDES_RXTIMER, 0x8128);
|
|
bcm43xx_pcie_mdio_write(bcm, BCM43xx_MDIO_SERDES_RX,
|
|
BCM43xx_SERDES_CDR, 0x0100);
|
|
bcm43xx_pcie_mdio_write(bcm, BCM43xx_MDIO_SERDES_RX,
|
|
BCM43xx_SERDES_CDR_BW, 0x1466);
|
|
} else if (bcm->current_core->rev == 1) {
|
|
value = bcm43xx_pcie_reg_read(bcm, BCM43xx_PCIE_DLLP_LINKCTL);
|
|
value |= 0x40;
|
|
bcm43xx_pcie_reg_write(bcm, BCM43xx_PCIE_DLLP_LINKCTL,
|
|
value);
|
|
}
|
|
}
|
|
out_switch_back:
|
|
err = bcm43xx_switch_core(bcm, old_core);
|
|
out:
|
|
return err;
|
|
}
|
|
|
|
static void bcm43xx_periodic_every120sec(struct bcm43xx_private *bcm)
|
|
{
|
|
struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
|
|
|
|
if (phy->type != BCM43xx_PHYTYPE_G || phy->rev < 2)
|
|
return;
|
|
|
|
bcm43xx_mac_suspend(bcm);
|
|
bcm43xx_phy_lo_g_measure(bcm);
|
|
bcm43xx_mac_enable(bcm);
|
|
}
|
|
|
|
static void bcm43xx_periodic_every60sec(struct bcm43xx_private *bcm)
|
|
{
|
|
bcm43xx_phy_lo_mark_all_unused(bcm);
|
|
if (bcm->sprom.boardflags & BCM43xx_BFL_RSSI) {
|
|
bcm43xx_mac_suspend(bcm);
|
|
bcm43xx_calc_nrssi_slope(bcm);
|
|
bcm43xx_mac_enable(bcm);
|
|
}
|
|
}
|
|
|
|
static void bcm43xx_periodic_every30sec(struct bcm43xx_private *bcm)
|
|
{
|
|
/* Update device statistics. */
|
|
bcm43xx_calculate_link_quality(bcm);
|
|
}
|
|
|
|
static void bcm43xx_periodic_every15sec(struct bcm43xx_private *bcm)
|
|
{
|
|
bcm43xx_phy_xmitpower(bcm); //FIXME: unless scanning?
|
|
//TODO for APHY (temperature?)
|
|
}
|
|
|
|
static void bcm43xx_periodic_every1sec(struct bcm43xx_private *bcm)
|
|
{
|
|
struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
|
|
struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
|
|
int radio_hw_enable;
|
|
|
|
/* check if radio hardware enabled status changed */
|
|
radio_hw_enable = bcm43xx_is_hw_radio_enabled(bcm);
|
|
if (unlikely(bcm->radio_hw_enable != radio_hw_enable)) {
|
|
bcm->radio_hw_enable = radio_hw_enable;
|
|
dprintk(KERN_INFO PFX "Radio hardware status changed to %s\n",
|
|
(radio_hw_enable == 0) ? "disabled" : "enabled");
|
|
bcm43xx_leds_update(bcm, 0);
|
|
}
|
|
if (phy->type == BCM43xx_PHYTYPE_G) {
|
|
//TODO: update_aci_moving_average
|
|
if (radio->aci_enable && radio->aci_wlan_automatic) {
|
|
bcm43xx_mac_suspend(bcm);
|
|
if (!radio->aci_enable && 1 /*TODO: not scanning? */) {
|
|
if (0 /*TODO: bunch of conditions*/) {
|
|
bcm43xx_radio_set_interference_mitigation(bcm,
|
|
BCM43xx_RADIO_INTERFMODE_MANUALWLAN);
|
|
}
|
|
} else if (1/*TODO*/) {
|
|
/*
|
|
if ((aci_average > 1000) && !(bcm43xx_radio_aci_scan(bcm))) {
|
|
bcm43xx_radio_set_interference_mitigation(bcm,
|
|
BCM43xx_RADIO_INTERFMODE_NONE);
|
|
}
|
|
*/
|
|
}
|
|
bcm43xx_mac_enable(bcm);
|
|
} else if (radio->interfmode == BCM43xx_RADIO_INTERFMODE_NONWLAN &&
|
|
phy->rev == 1) {
|
|
//TODO: implement rev1 workaround
|
|
}
|
|
}
|
|
}
|
|
|
|
static void do_periodic_work(struct bcm43xx_private *bcm)
|
|
{
|
|
if (bcm->periodic_state % 120 == 0)
|
|
bcm43xx_periodic_every120sec(bcm);
|
|
if (bcm->periodic_state % 60 == 0)
|
|
bcm43xx_periodic_every60sec(bcm);
|
|
if (bcm->periodic_state % 30 == 0)
|
|
bcm43xx_periodic_every30sec(bcm);
|
|
if (bcm->periodic_state % 15 == 0)
|
|
bcm43xx_periodic_every15sec(bcm);
|
|
bcm43xx_periodic_every1sec(bcm);
|
|
|
|
schedule_delayed_work(&bcm->periodic_work, HZ);
|
|
}
|
|
|
|
static void bcm43xx_periodic_work_handler(struct work_struct *work)
|
|
{
|
|
struct bcm43xx_private *bcm =
|
|
container_of(work, struct bcm43xx_private, periodic_work.work);
|
|
struct net_device *net_dev = bcm->net_dev;
|
|
unsigned long flags;
|
|
u32 savedirqs = 0;
|
|
unsigned long orig_trans_start = 0;
|
|
|
|
mutex_lock(&bcm->mutex);
|
|
if (unlikely(bcm->periodic_state % 60 == 0)) {
|
|
/* Periodic work will take a long time, so we want it to
|
|
* be preemtible.
|
|
*/
|
|
|
|
netif_tx_lock_bh(net_dev);
|
|
/* We must fake a started transmission here, as we are going to
|
|
* disable TX. If we wouldn't fake a TX, it would be possible to
|
|
* trigger the netdev watchdog, if the last real TX is already
|
|
* some time on the past (slightly less than 5secs)
|
|
*/
|
|
orig_trans_start = net_dev->trans_start;
|
|
net_dev->trans_start = jiffies;
|
|
netif_stop_queue(net_dev);
|
|
netif_tx_unlock_bh(net_dev);
|
|
|
|
spin_lock_irqsave(&bcm->irq_lock, flags);
|
|
bcm43xx_mac_suspend(bcm);
|
|
if (bcm43xx_using_pio(bcm))
|
|
bcm43xx_pio_freeze_txqueues(bcm);
|
|
savedirqs = bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL);
|
|
spin_unlock_irqrestore(&bcm->irq_lock, flags);
|
|
bcm43xx_synchronize_irq(bcm);
|
|
} else {
|
|
/* Periodic work should take short time, so we want low
|
|
* locking overhead.
|
|
*/
|
|
spin_lock_irqsave(&bcm->irq_lock, flags);
|
|
}
|
|
|
|
do_periodic_work(bcm);
|
|
|
|
if (unlikely(bcm->periodic_state % 60 == 0)) {
|
|
spin_lock_irqsave(&bcm->irq_lock, flags);
|
|
tasklet_enable(&bcm->isr_tasklet);
|
|
bcm43xx_interrupt_enable(bcm, savedirqs);
|
|
if (bcm43xx_using_pio(bcm))
|
|
bcm43xx_pio_thaw_txqueues(bcm);
|
|
bcm43xx_mac_enable(bcm);
|
|
netif_wake_queue(bcm->net_dev);
|
|
net_dev->trans_start = orig_trans_start;
|
|
}
|
|
mmiowb();
|
|
bcm->periodic_state++;
|
|
spin_unlock_irqrestore(&bcm->irq_lock, flags);
|
|
mutex_unlock(&bcm->mutex);
|
|
}
|
|
|
|
void bcm43xx_periodic_tasks_delete(struct bcm43xx_private *bcm)
|
|
{
|
|
cancel_rearming_delayed_work(&bcm->periodic_work);
|
|
}
|
|
|
|
void bcm43xx_periodic_tasks_setup(struct bcm43xx_private *bcm)
|
|
{
|
|
struct delayed_work *work = &bcm->periodic_work;
|
|
|
|
assert(bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED);
|
|
INIT_DELAYED_WORK(work, bcm43xx_periodic_work_handler);
|
|
schedule_delayed_work(work, 0);
|
|
}
|
|
|
|
static void bcm43xx_security_init(struct bcm43xx_private *bcm)
|
|
{
|
|
bcm->security_offset = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
|
|
0x0056) * 2;
|
|
bcm43xx_clear_keys(bcm);
|
|
}
|
|
|
|
static int bcm43xx_rng_read(struct hwrng *rng, u32 *data)
|
|
{
|
|
struct bcm43xx_private *bcm = (struct bcm43xx_private *)rng->priv;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&(bcm)->irq_lock, flags);
|
|
*data = bcm43xx_read16(bcm, BCM43xx_MMIO_RNG);
|
|
spin_unlock_irqrestore(&(bcm)->irq_lock, flags);
|
|
|
|
return (sizeof(u16));
|
|
}
|
|
|
|
static void bcm43xx_rng_exit(struct bcm43xx_private *bcm)
|
|
{
|
|
hwrng_unregister(&bcm->rng);
|
|
}
|
|
|
|
static int bcm43xx_rng_init(struct bcm43xx_private *bcm)
|
|
{
|
|
int err;
|
|
|
|
snprintf(bcm->rng_name, ARRAY_SIZE(bcm->rng_name),
|
|
"%s_%s", KBUILD_MODNAME, bcm->net_dev->name);
|
|
bcm->rng.name = bcm->rng_name;
|
|
bcm->rng.data_read = bcm43xx_rng_read;
|
|
bcm->rng.priv = (unsigned long)bcm;
|
|
err = hwrng_register(&bcm->rng);
|
|
if (err)
|
|
printk(KERN_ERR PFX "RNG init failed (%d)\n", err);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int bcm43xx_shutdown_all_wireless_cores(struct bcm43xx_private *bcm)
|
|
{
|
|
int ret = 0;
|
|
int i, err;
|
|
struct bcm43xx_coreinfo *core;
|
|
|
|
bcm43xx_set_status(bcm, BCM43xx_STAT_SHUTTINGDOWN);
|
|
for (i = 0; i < bcm->nr_80211_available; i++) {
|
|
core = &(bcm->core_80211[i]);
|
|
assert(core->available);
|
|
if (!core->initialized)
|
|
continue;
|
|
err = bcm43xx_switch_core(bcm, core);
|
|
if (err) {
|
|
dprintk(KERN_ERR PFX "shutdown_all_wireless_cores "
|
|
"switch_core failed (%d)\n", err);
|
|
ret = err;
|
|
continue;
|
|
}
|
|
bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL);
|
|
bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */
|
|
bcm43xx_wireless_core_cleanup(bcm);
|
|
if (core == bcm->active_80211_core)
|
|
bcm->active_80211_core = NULL;
|
|
}
|
|
free_irq(bcm->irq, bcm);
|
|
bcm43xx_set_status(bcm, BCM43xx_STAT_UNINIT);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* This is the opposite of bcm43xx_init_board() */
|
|
static void bcm43xx_free_board(struct bcm43xx_private *bcm)
|
|
{
|
|
bcm43xx_rng_exit(bcm);
|
|
bcm43xx_sysfs_unregister(bcm);
|
|
bcm43xx_periodic_tasks_delete(bcm);
|
|
|
|
mutex_lock(&(bcm)->mutex);
|
|
bcm43xx_shutdown_all_wireless_cores(bcm);
|
|
bcm43xx_pctl_set_crystal(bcm, 0);
|
|
mutex_unlock(&(bcm)->mutex);
|
|
}
|
|
|
|
static void prepare_phydata_for_init(struct bcm43xx_phyinfo *phy)
|
|
{
|
|
phy->antenna_diversity = 0xFFFF;
|
|
memset(phy->minlowsig, 0xFF, sizeof(phy->minlowsig));
|
|
memset(phy->minlowsigpos, 0, sizeof(phy->minlowsigpos));
|
|
|
|
/* Flags */
|
|
phy->calibrated = 0;
|
|
phy->is_locked = 0;
|
|
|
|
if (phy->_lo_pairs) {
|
|
memset(phy->_lo_pairs, 0,
|
|
sizeof(struct bcm43xx_lopair) * BCM43xx_LO_COUNT);
|
|
}
|
|
memset(phy->loopback_gain, 0, sizeof(phy->loopback_gain));
|
|
}
|
|
|
|
static void prepare_radiodata_for_init(struct bcm43xx_private *bcm,
|
|
struct bcm43xx_radioinfo *radio)
|
|
{
|
|
int i;
|
|
|
|
/* Set default attenuation values. */
|
|
radio->baseband_atten = bcm43xx_default_baseband_attenuation(bcm);
|
|
radio->radio_atten = bcm43xx_default_radio_attenuation(bcm);
|
|
radio->txctl1 = bcm43xx_default_txctl1(bcm);
|
|
radio->txctl2 = 0xFFFF;
|
|
radio->txpwr_offset = 0;
|
|
|
|
/* NRSSI */
|
|
radio->nrssislope = 0;
|
|
for (i = 0; i < ARRAY_SIZE(radio->nrssi); i++)
|
|
radio->nrssi[i] = -1000;
|
|
for (i = 0; i < ARRAY_SIZE(radio->nrssi_lt); i++)
|
|
radio->nrssi_lt[i] = i;
|
|
|
|
radio->lofcal = 0xFFFF;
|
|
radio->initval = 0xFFFF;
|
|
|
|
radio->aci_enable = 0;
|
|
radio->aci_wlan_automatic = 0;
|
|
radio->aci_hw_rssi = 0;
|
|
}
|
|
|
|
static void prepare_priv_for_init(struct bcm43xx_private *bcm)
|
|
{
|
|
int i;
|
|
struct bcm43xx_coreinfo *core;
|
|
struct bcm43xx_coreinfo_80211 *wlext;
|
|
|
|
assert(!bcm->active_80211_core);
|
|
|
|
bcm43xx_set_status(bcm, BCM43xx_STAT_INITIALIZING);
|
|
|
|
/* Flags */
|
|
bcm->was_initialized = 0;
|
|
bcm->reg124_set_0x4 = 0;
|
|
|
|
/* Stats */
|
|
memset(&bcm->stats, 0, sizeof(bcm->stats));
|
|
|
|
/* Wireless core data */
|
|
for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) {
|
|
core = &(bcm->core_80211[i]);
|
|
wlext = core->priv;
|
|
|
|
if (!core->available)
|
|
continue;
|
|
assert(wlext == &(bcm->core_80211_ext[i]));
|
|
|
|
prepare_phydata_for_init(&wlext->phy);
|
|
prepare_radiodata_for_init(bcm, &wlext->radio);
|
|
}
|
|
|
|
/* IRQ related flags */
|
|
bcm->irq_reason = 0;
|
|
memset(bcm->dma_reason, 0, sizeof(bcm->dma_reason));
|
|
bcm->irq_savedstate = BCM43xx_IRQ_INITIAL;
|
|
|
|
bcm->mac_suspended = 1;
|
|
|
|
/* Noise calculation context */
|
|
memset(&bcm->noisecalc, 0, sizeof(bcm->noisecalc));
|
|
|
|
/* Periodic work context */
|
|
bcm->periodic_state = 0;
|
|
}
|
|
|
|
static int wireless_core_up(struct bcm43xx_private *bcm,
|
|
int active_wlcore)
|
|
{
|
|
int err;
|
|
|
|
if (!bcm43xx_core_enabled(bcm))
|
|
bcm43xx_wireless_core_reset(bcm, 1);
|
|
if (!active_wlcore)
|
|
bcm43xx_wireless_core_mark_inactive(bcm);
|
|
err = bcm43xx_wireless_core_init(bcm, active_wlcore);
|
|
if (err)
|
|
goto out;
|
|
if (!active_wlcore)
|
|
bcm43xx_radio_turn_off(bcm);
|
|
out:
|
|
return err;
|
|
}
|
|
|
|
/* Select and enable the "to be used" wireless core.
|
|
* Locking: bcm->mutex must be aquired before calling this.
|
|
* bcm->irq_lock must not be aquired.
|
|
*/
|
|
int bcm43xx_select_wireless_core(struct bcm43xx_private *bcm,
|
|
int phytype)
|
|
{
|
|
int i, err;
|
|
struct bcm43xx_coreinfo *active_core = NULL;
|
|
struct bcm43xx_coreinfo_80211 *active_wlext = NULL;
|
|
struct bcm43xx_coreinfo *core;
|
|
struct bcm43xx_coreinfo_80211 *wlext;
|
|
int adjust_active_sbtmstatelow = 0;
|
|
|
|
might_sleep();
|
|
|
|
if (phytype < 0) {
|
|
/* If no phytype is requested, select the first core. */
|
|
assert(bcm->core_80211[0].available);
|
|
wlext = bcm->core_80211[0].priv;
|
|
phytype = wlext->phy.type;
|
|
}
|
|
/* Find the requested core. */
|
|
for (i = 0; i < bcm->nr_80211_available; i++) {
|
|
core = &(bcm->core_80211[i]);
|
|
wlext = core->priv;
|
|
if (wlext->phy.type == phytype) {
|
|
active_core = core;
|
|
active_wlext = wlext;
|
|
break;
|
|
}
|
|
}
|
|
if (!active_core)
|
|
return -ESRCH; /* No such PHYTYPE on this board. */
|
|
|
|
if (bcm->active_80211_core) {
|
|
/* We already selected a wl core in the past.
|
|
* So first clean up everything.
|
|
*/
|
|
dprintk(KERN_INFO PFX "select_wireless_core: cleanup\n");
|
|
ieee80211softmac_stop(bcm->net_dev);
|
|
bcm43xx_set_status(bcm, BCM43xx_STAT_INITIALIZED);
|
|
err = bcm43xx_disable_interrupts_sync(bcm);
|
|
assert(!err);
|
|
tasklet_enable(&bcm->isr_tasklet);
|
|
err = bcm43xx_shutdown_all_wireless_cores(bcm);
|
|
if (err)
|
|
goto error;
|
|
/* Ok, everything down, continue to re-initialize. */
|
|
bcm43xx_set_status(bcm, BCM43xx_STAT_INITIALIZING);
|
|
}
|
|
|
|
/* Reset all data structures. */
|
|
prepare_priv_for_init(bcm);
|
|
|
|
err = bcm43xx_pctl_set_clock(bcm, BCM43xx_PCTL_CLK_FAST);
|
|
if (err)
|
|
goto error;
|
|
|
|
/* Mark all unused cores "inactive". */
|
|
for (i = 0; i < bcm->nr_80211_available; i++) {
|
|
core = &(bcm->core_80211[i]);
|
|
wlext = core->priv;
|
|
|
|
if (core == active_core)
|
|
continue;
|
|
err = bcm43xx_switch_core(bcm, core);
|
|
if (err) {
|
|
dprintk(KERN_ERR PFX "Could not switch to inactive "
|
|
"802.11 core (%d)\n", err);
|
|
goto error;
|
|
}
|
|
err = wireless_core_up(bcm, 0);
|
|
if (err) {
|
|
dprintk(KERN_ERR PFX "core_up for inactive 802.11 core "
|
|
"failed (%d)\n", err);
|
|
goto error;
|
|
}
|
|
adjust_active_sbtmstatelow = 1;
|
|
}
|
|
|
|
/* Now initialize the active 802.11 core. */
|
|
err = bcm43xx_switch_core(bcm, active_core);
|
|
if (err) {
|
|
dprintk(KERN_ERR PFX "Could not switch to active "
|
|
"802.11 core (%d)\n", err);
|
|
goto error;
|
|
}
|
|
if (adjust_active_sbtmstatelow &&
|
|
active_wlext->phy.type == BCM43xx_PHYTYPE_G) {
|
|
u32 sbtmstatelow;
|
|
|
|
sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
|
|
sbtmstatelow |= BCM43xx_SBTMSTATELOW_G_MODE_ENABLE;
|
|
bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow);
|
|
}
|
|
err = wireless_core_up(bcm, 1);
|
|
if (err) {
|
|
dprintk(KERN_ERR PFX "core_up for active 802.11 core "
|
|
"failed (%d)\n", err);
|
|
goto error;
|
|
}
|
|
err = bcm43xx_pctl_set_clock(bcm, BCM43xx_PCTL_CLK_DYNAMIC);
|
|
if (err)
|
|
goto error;
|
|
bcm->active_80211_core = active_core;
|
|
|
|
bcm43xx_macfilter_clear(bcm, BCM43xx_MACFILTER_ASSOC);
|
|
bcm43xx_macfilter_set(bcm, BCM43xx_MACFILTER_SELF, (u8 *)(bcm->net_dev->dev_addr));
|
|
bcm43xx_security_init(bcm);
|
|
drain_txstatus_queue(bcm);
|
|
ieee80211softmac_start(bcm->net_dev);
|
|
|
|
/* Let's go! Be careful after enabling the IRQs.
|
|
* Don't switch cores, for example.
|
|
*/
|
|
bcm43xx_mac_enable(bcm);
|
|
bcm43xx_set_status(bcm, BCM43xx_STAT_INITIALIZED);
|
|
err = bcm43xx_initialize_irq(bcm);
|
|
if (err)
|
|
goto error;
|
|
bcm43xx_interrupt_enable(bcm, bcm->irq_savedstate);
|
|
|
|
dprintk(KERN_INFO PFX "Selected 802.11 core (phytype %d)\n",
|
|
active_wlext->phy.type);
|
|
|
|
return 0;
|
|
|
|
error:
|
|
bcm43xx_set_status(bcm, BCM43xx_STAT_UNINIT);
|
|
bcm43xx_pctl_set_clock(bcm, BCM43xx_PCTL_CLK_SLOW);
|
|
return err;
|
|
}
|
|
|
|
static int bcm43xx_init_board(struct bcm43xx_private *bcm)
|
|
{
|
|
int err;
|
|
|
|
mutex_lock(&(bcm)->mutex);
|
|
|
|
tasklet_enable(&bcm->isr_tasklet);
|
|
err = bcm43xx_pctl_set_crystal(bcm, 1);
|
|
if (err)
|
|
goto err_tasklet;
|
|
err = bcm43xx_pctl_init(bcm);
|
|
if (err)
|
|
goto err_crystal_off;
|
|
err = bcm43xx_select_wireless_core(bcm, -1);
|
|
if (err)
|
|
goto err_crystal_off;
|
|
err = bcm43xx_sysfs_register(bcm);
|
|
if (err)
|
|
goto err_wlshutdown;
|
|
err = bcm43xx_rng_init(bcm);
|
|
if (err)
|
|
goto err_sysfs_unreg;
|
|
bcm43xx_periodic_tasks_setup(bcm);
|
|
|
|
/*FIXME: This should be handled by softmac instead. */
|
|
schedule_delayed_work(&bcm->softmac->associnfo.work, 0);
|
|
|
|
out:
|
|
mutex_unlock(&(bcm)->mutex);
|
|
|
|
return err;
|
|
|
|
err_sysfs_unreg:
|
|
bcm43xx_sysfs_unregister(bcm);
|
|
err_wlshutdown:
|
|
bcm43xx_shutdown_all_wireless_cores(bcm);
|
|
err_crystal_off:
|
|
bcm43xx_pctl_set_crystal(bcm, 0);
|
|
err_tasklet:
|
|
tasklet_disable(&bcm->isr_tasklet);
|
|
goto out;
|
|
}
|
|
|
|
static void bcm43xx_detach_board(struct bcm43xx_private *bcm)
|
|
{
|
|
struct pci_dev *pci_dev = bcm->pci_dev;
|
|
int i;
|
|
|
|
bcm43xx_chipset_detach(bcm);
|
|
/* Do _not_ access the chip, after it is detached. */
|
|
pci_iounmap(pci_dev, bcm->mmio_addr);
|
|
pci_release_regions(pci_dev);
|
|
pci_disable_device(pci_dev);
|
|
|
|
/* Free allocated structures/fields */
|
|
for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) {
|
|
kfree(bcm->core_80211_ext[i].phy._lo_pairs);
|
|
if (bcm->core_80211_ext[i].phy.dyn_tssi_tbl)
|
|
kfree(bcm->core_80211_ext[i].phy.tssi2dbm);
|
|
}
|
|
}
|
|
|
|
static int bcm43xx_read_phyinfo(struct bcm43xx_private *bcm)
|
|
{
|
|
struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
|
|
u16 value;
|
|
u8 phy_analog;
|
|
u8 phy_type;
|
|
u8 phy_rev;
|
|
int phy_rev_ok = 1;
|
|
void *p;
|
|
|
|
value = bcm43xx_read16(bcm, BCM43xx_MMIO_PHY_VER);
|
|
|
|
phy_analog = (value & 0xF000) >> 12;
|
|
phy_type = (value & 0x0F00) >> 8;
|
|
phy_rev = (value & 0x000F);
|
|
|
|
dprintk(KERN_INFO PFX "Detected PHY: Analog: %x, Type %x, Revision %x\n",
|
|
phy_analog, phy_type, phy_rev);
|
|
|
|
switch (phy_type) {
|
|
case BCM43xx_PHYTYPE_A:
|
|
if (phy_rev >= 4)
|
|
phy_rev_ok = 0;
|
|
/*FIXME: We need to switch the ieee->modulation, etc.. flags,
|
|
* if we switch 80211 cores after init is done.
|
|
* As we do not implement on the fly switching between
|
|
* wireless cores, I will leave this as a future task.
|
|
*/
|
|
bcm->ieee->modulation = IEEE80211_OFDM_MODULATION;
|
|
bcm->ieee->mode = IEEE_A;
|
|
bcm->ieee->freq_band = IEEE80211_52GHZ_BAND |
|
|
IEEE80211_24GHZ_BAND;
|
|
break;
|
|
case BCM43xx_PHYTYPE_B:
|
|
if (phy_rev != 2 && phy_rev != 4 && phy_rev != 6 && phy_rev != 7)
|
|
phy_rev_ok = 0;
|
|
bcm->ieee->modulation = IEEE80211_CCK_MODULATION;
|
|
bcm->ieee->mode = IEEE_B;
|
|
bcm->ieee->freq_band = IEEE80211_24GHZ_BAND;
|
|
break;
|
|
case BCM43xx_PHYTYPE_G:
|
|
if (phy_rev > 8)
|
|
phy_rev_ok = 0;
|
|
bcm->ieee->modulation = IEEE80211_OFDM_MODULATION |
|
|
IEEE80211_CCK_MODULATION;
|
|
bcm->ieee->mode = IEEE_G;
|
|
bcm->ieee->freq_band = IEEE80211_24GHZ_BAND;
|
|
break;
|
|
default:
|
|
printk(KERN_ERR PFX "Error: Unknown PHY Type %x\n",
|
|
phy_type);
|
|
return -ENODEV;
|
|
};
|
|
bcm->ieee->perfect_rssi = RX_RSSI_MAX;
|
|
bcm->ieee->worst_rssi = 0;
|
|
if (!phy_rev_ok) {
|
|
printk(KERN_WARNING PFX "Invalid PHY Revision %x\n",
|
|
phy_rev);
|
|
}
|
|
|
|
phy->analog = phy_analog;
|
|
phy->type = phy_type;
|
|
phy->rev = phy_rev;
|
|
if ((phy_type == BCM43xx_PHYTYPE_B) || (phy_type == BCM43xx_PHYTYPE_G)) {
|
|
p = kzalloc(sizeof(struct bcm43xx_lopair) * BCM43xx_LO_COUNT,
|
|
GFP_KERNEL);
|
|
if (!p)
|
|
return -ENOMEM;
|
|
phy->_lo_pairs = p;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bcm43xx_attach_board(struct bcm43xx_private *bcm)
|
|
{
|
|
struct pci_dev *pci_dev = bcm->pci_dev;
|
|
struct net_device *net_dev = bcm->net_dev;
|
|
int err;
|
|
int i;
|
|
u32 coremask;
|
|
|
|
err = pci_enable_device(pci_dev);
|
|
if (err) {
|
|
printk(KERN_ERR PFX "pci_enable_device() failed\n");
|
|
goto out;
|
|
}
|
|
err = pci_request_regions(pci_dev, KBUILD_MODNAME);
|
|
if (err) {
|
|
printk(KERN_ERR PFX "pci_request_regions() failed\n");
|
|
goto err_pci_disable;
|
|
}
|
|
/* enable PCI bus-mastering */
|
|
pci_set_master(pci_dev);
|
|
bcm->mmio_addr = pci_iomap(pci_dev, 0, ~0UL);
|
|
if (!bcm->mmio_addr) {
|
|
printk(KERN_ERR PFX "pci_iomap() failed\n");
|
|
err = -EIO;
|
|
goto err_pci_release;
|
|
}
|
|
net_dev->base_addr = (unsigned long)bcm->mmio_addr;
|
|
|
|
err = bcm43xx_pci_read_config16(bcm, PCI_SUBSYSTEM_VENDOR_ID,
|
|
&bcm->board_vendor);
|
|
if (err)
|
|
goto err_iounmap;
|
|
err = bcm43xx_pci_read_config16(bcm, PCI_SUBSYSTEM_ID,
|
|
&bcm->board_type);
|
|
if (err)
|
|
goto err_iounmap;
|
|
err = bcm43xx_pci_read_config16(bcm, PCI_REVISION_ID,
|
|
&bcm->board_revision);
|
|
if (err)
|
|
goto err_iounmap;
|
|
|
|
err = bcm43xx_chipset_attach(bcm);
|
|
if (err)
|
|
goto err_iounmap;
|
|
err = bcm43xx_pctl_init(bcm);
|
|
if (err)
|
|
goto err_chipset_detach;
|
|
err = bcm43xx_probe_cores(bcm);
|
|
if (err)
|
|
goto err_chipset_detach;
|
|
|
|
/* Attach all IO cores to the backplane. */
|
|
coremask = 0;
|
|
for (i = 0; i < bcm->nr_80211_available; i++)
|
|
coremask |= (1 << bcm->core_80211[i].index);
|
|
//FIXME: Also attach some non80211 cores?
|
|
err = bcm43xx_setup_backplane_pci_connection(bcm, coremask);
|
|
if (err) {
|
|
printk(KERN_ERR PFX "Backplane->PCI connection failed!\n");
|
|
goto err_chipset_detach;
|
|
}
|
|
|
|
err = bcm43xx_sprom_extract(bcm);
|
|
if (err)
|
|
goto err_chipset_detach;
|
|
err = bcm43xx_leds_init(bcm);
|
|
if (err)
|
|
goto err_chipset_detach;
|
|
|
|
for (i = 0; i < bcm->nr_80211_available; i++) {
|
|
err = bcm43xx_switch_core(bcm, &bcm->core_80211[i]);
|
|
assert(err != -ENODEV);
|
|
if (err)
|
|
goto err_80211_unwind;
|
|
|
|
/* Enable the selected wireless core.
|
|
* Connect PHY only on the first core.
|
|
*/
|
|
bcm43xx_wireless_core_reset(bcm, (i == 0));
|
|
|
|
err = bcm43xx_read_phyinfo(bcm);
|
|
if (err && (i == 0))
|
|
goto err_80211_unwind;
|
|
|
|
err = bcm43xx_read_radioinfo(bcm);
|
|
if (err && (i == 0))
|
|
goto err_80211_unwind;
|
|
|
|
err = bcm43xx_validate_chip(bcm);
|
|
if (err && (i == 0))
|
|
goto err_80211_unwind;
|
|
|
|
bcm43xx_radio_turn_off(bcm);
|
|
err = bcm43xx_phy_init_tssi2dbm_table(bcm);
|
|
if (err)
|
|
goto err_80211_unwind;
|
|
bcm43xx_wireless_core_disable(bcm);
|
|
}
|
|
err = bcm43xx_geo_init(bcm);
|
|
if (err)
|
|
goto err_80211_unwind;
|
|
bcm43xx_pctl_set_crystal(bcm, 0);
|
|
|
|
/* Set the MAC address in the networking subsystem */
|
|
if (is_valid_ether_addr(bcm->sprom.et1macaddr))
|
|
memcpy(bcm->net_dev->dev_addr, bcm->sprom.et1macaddr, 6);
|
|
else
|
|
memcpy(bcm->net_dev->dev_addr, bcm->sprom.il0macaddr, 6);
|
|
|
|
snprintf(bcm->nick, IW_ESSID_MAX_SIZE,
|
|
"Broadcom %04X", bcm->chip_id);
|
|
|
|
assert(err == 0);
|
|
out:
|
|
return err;
|
|
|
|
err_80211_unwind:
|
|
for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) {
|
|
kfree(bcm->core_80211_ext[i].phy._lo_pairs);
|
|
if (bcm->core_80211_ext[i].phy.dyn_tssi_tbl)
|
|
kfree(bcm->core_80211_ext[i].phy.tssi2dbm);
|
|
}
|
|
err_chipset_detach:
|
|
bcm43xx_chipset_detach(bcm);
|
|
err_iounmap:
|
|
pci_iounmap(pci_dev, bcm->mmio_addr);
|
|
err_pci_release:
|
|
pci_release_regions(pci_dev);
|
|
err_pci_disable:
|
|
pci_disable_device(pci_dev);
|
|
printk(KERN_ERR PFX "Unable to attach board\n");
|
|
goto out;
|
|
}
|
|
|
|
/* Do the Hardware IO operations to send the txb */
|
|
static inline int bcm43xx_tx(struct bcm43xx_private *bcm,
|
|
struct ieee80211_txb *txb)
|
|
{
|
|
int err = -ENODEV;
|
|
|
|
if (bcm43xx_using_pio(bcm))
|
|
err = bcm43xx_pio_tx(bcm, txb);
|
|
else
|
|
err = bcm43xx_dma_tx(bcm, txb);
|
|
bcm->net_dev->trans_start = jiffies;
|
|
|
|
return err;
|
|
}
|
|
|
|
static void bcm43xx_ieee80211_set_chan(struct net_device *net_dev,
|
|
u8 channel)
|
|
{
|
|
struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
|
|
struct bcm43xx_radioinfo *radio;
|
|
unsigned long flags;
|
|
|
|
mutex_lock(&bcm->mutex);
|
|
spin_lock_irqsave(&bcm->irq_lock, flags);
|
|
if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED) {
|
|
bcm43xx_mac_suspend(bcm);
|
|
bcm43xx_radio_selectchannel(bcm, channel, 0);
|
|
bcm43xx_mac_enable(bcm);
|
|
} else {
|
|
radio = bcm43xx_current_radio(bcm);
|
|
radio->initial_channel = channel;
|
|
}
|
|
spin_unlock_irqrestore(&bcm->irq_lock, flags);
|
|
mutex_unlock(&bcm->mutex);
|
|
}
|
|
|
|
/* set_security() callback in struct ieee80211_device */
|
|
static void bcm43xx_ieee80211_set_security(struct net_device *net_dev,
|
|
struct ieee80211_security *sec)
|
|
{
|
|
struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
|
|
struct ieee80211_security *secinfo = &bcm->ieee->sec;
|
|
unsigned long flags;
|
|
int keyidx;
|
|
|
|
dprintk(KERN_INFO PFX "set security called");
|
|
|
|
mutex_lock(&bcm->mutex);
|
|
spin_lock_irqsave(&bcm->irq_lock, flags);
|
|
|
|
for (keyidx = 0; keyidx<WEP_KEYS; keyidx++)
|
|
if (sec->flags & (1<<keyidx)) {
|
|
secinfo->encode_alg[keyidx] = sec->encode_alg[keyidx];
|
|
secinfo->key_sizes[keyidx] = sec->key_sizes[keyidx];
|
|
memcpy(secinfo->keys[keyidx], sec->keys[keyidx], SCM_KEY_LEN);
|
|
}
|
|
|
|
if (sec->flags & SEC_ACTIVE_KEY) {
|
|
secinfo->active_key = sec->active_key;
|
|
dprintk(", .active_key = %d", sec->active_key);
|
|
}
|
|
if (sec->flags & SEC_UNICAST_GROUP) {
|
|
secinfo->unicast_uses_group = sec->unicast_uses_group;
|
|
dprintk(", .unicast_uses_group = %d", sec->unicast_uses_group);
|
|
}
|
|
if (sec->flags & SEC_LEVEL) {
|
|
secinfo->level = sec->level;
|
|
dprintk(", .level = %d", sec->level);
|
|
}
|
|
if (sec->flags & SEC_ENABLED) {
|
|
secinfo->enabled = sec->enabled;
|
|
dprintk(", .enabled = %d", sec->enabled);
|
|
}
|
|
if (sec->flags & SEC_ENCRYPT) {
|
|
secinfo->encrypt = sec->encrypt;
|
|
dprintk(", .encrypt = %d", sec->encrypt);
|
|
}
|
|
if (sec->flags & SEC_AUTH_MODE) {
|
|
secinfo->auth_mode = sec->auth_mode;
|
|
dprintk(", .auth_mode = %d", sec->auth_mode);
|
|
}
|
|
dprintk("\n");
|
|
if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED &&
|
|
!bcm->ieee->host_encrypt) {
|
|
if (secinfo->enabled) {
|
|
/* upload WEP keys to hardware */
|
|
char null_address[6] = { 0 };
|
|
u8 algorithm = 0;
|
|
for (keyidx = 0; keyidx<WEP_KEYS; keyidx++) {
|
|
if (!(sec->flags & (1<<keyidx)))
|
|
continue;
|
|
switch (sec->encode_alg[keyidx]) {
|
|
case SEC_ALG_NONE: algorithm = BCM43xx_SEC_ALGO_NONE; break;
|
|
case SEC_ALG_WEP:
|
|
algorithm = BCM43xx_SEC_ALGO_WEP;
|
|
if (secinfo->key_sizes[keyidx] == 13)
|
|
algorithm = BCM43xx_SEC_ALGO_WEP104;
|
|
break;
|
|
case SEC_ALG_TKIP:
|
|
FIXME();
|
|
algorithm = BCM43xx_SEC_ALGO_TKIP;
|
|
break;
|
|
case SEC_ALG_CCMP:
|
|
FIXME();
|
|
algorithm = BCM43xx_SEC_ALGO_AES;
|
|
break;
|
|
default:
|
|
assert(0);
|
|
break;
|
|
}
|
|
bcm43xx_key_write(bcm, keyidx, algorithm, sec->keys[keyidx], secinfo->key_sizes[keyidx], &null_address[0]);
|
|
bcm->key[keyidx].enabled = 1;
|
|
bcm->key[keyidx].algorithm = algorithm;
|
|
}
|
|
} else
|
|
bcm43xx_clear_keys(bcm);
|
|
}
|
|
spin_unlock_irqrestore(&bcm->irq_lock, flags);
|
|
mutex_unlock(&bcm->mutex);
|
|
}
|
|
|
|
/* hard_start_xmit() callback in struct ieee80211_device */
|
|
static int bcm43xx_ieee80211_hard_start_xmit(struct ieee80211_txb *txb,
|
|
struct net_device *net_dev,
|
|
int pri)
|
|
{
|
|
struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
|
|
int err = -ENODEV;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&bcm->irq_lock, flags);
|
|
if (likely(bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED))
|
|
err = bcm43xx_tx(bcm, txb);
|
|
spin_unlock_irqrestore(&bcm->irq_lock, flags);
|
|
|
|
if (unlikely(err))
|
|
return NETDEV_TX_BUSY;
|
|
return NETDEV_TX_OK;
|
|
}
|
|
|
|
static void bcm43xx_net_tx_timeout(struct net_device *net_dev)
|
|
{
|
|
struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&bcm->irq_lock, flags);
|
|
bcm43xx_controller_restart(bcm, "TX timeout");
|
|
spin_unlock_irqrestore(&bcm->irq_lock, flags);
|
|
}
|
|
|
|
#ifdef CONFIG_NET_POLL_CONTROLLER
|
|
static void bcm43xx_net_poll_controller(struct net_device *net_dev)
|
|
{
|
|
struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
|
|
unsigned long flags;
|
|
|
|
local_irq_save(flags);
|
|
if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED)
|
|
bcm43xx_interrupt_handler(bcm->irq, bcm);
|
|
local_irq_restore(flags);
|
|
}
|
|
#endif /* CONFIG_NET_POLL_CONTROLLER */
|
|
|
|
static int bcm43xx_net_open(struct net_device *net_dev)
|
|
{
|
|
struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
|
|
|
|
return bcm43xx_init_board(bcm);
|
|
}
|
|
|
|
static int bcm43xx_net_stop(struct net_device *net_dev)
|
|
{
|
|
struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
|
|
int err;
|
|
|
|
ieee80211softmac_stop(net_dev);
|
|
err = bcm43xx_disable_interrupts_sync(bcm);
|
|
assert(!err);
|
|
bcm43xx_free_board(bcm);
|
|
flush_scheduled_work();
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bcm43xx_init_private(struct bcm43xx_private *bcm,
|
|
struct net_device *net_dev,
|
|
struct pci_dev *pci_dev)
|
|
{
|
|
bcm43xx_set_status(bcm, BCM43xx_STAT_UNINIT);
|
|
bcm->ieee = netdev_priv(net_dev);
|
|
bcm->softmac = ieee80211_priv(net_dev);
|
|
bcm->softmac->set_channel = bcm43xx_ieee80211_set_chan;
|
|
|
|
bcm->irq_savedstate = BCM43xx_IRQ_INITIAL;
|
|
bcm->mac_suspended = 1;
|
|
bcm->pci_dev = pci_dev;
|
|
bcm->net_dev = net_dev;
|
|
bcm->bad_frames_preempt = modparam_bad_frames_preempt;
|
|
spin_lock_init(&bcm->irq_lock);
|
|
spin_lock_init(&bcm->leds_lock);
|
|
mutex_init(&bcm->mutex);
|
|
tasklet_init(&bcm->isr_tasklet,
|
|
(void (*)(unsigned long))bcm43xx_interrupt_tasklet,
|
|
(unsigned long)bcm);
|
|
tasklet_disable_nosync(&bcm->isr_tasklet);
|
|
if (modparam_pio)
|
|
bcm->__using_pio = 1;
|
|
bcm->rts_threshold = BCM43xx_DEFAULT_RTS_THRESHOLD;
|
|
|
|
/* default to sw encryption for now */
|
|
bcm->ieee->host_build_iv = 0;
|
|
bcm->ieee->host_encrypt = 1;
|
|
bcm->ieee->host_decrypt = 1;
|
|
|
|
bcm->ieee->iw_mode = BCM43xx_INITIAL_IWMODE;
|
|
bcm->ieee->tx_headroom = sizeof(struct bcm43xx_txhdr);
|
|
bcm->ieee->set_security = bcm43xx_ieee80211_set_security;
|
|
bcm->ieee->hard_start_xmit = bcm43xx_ieee80211_hard_start_xmit;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int __devinit bcm43xx_init_one(struct pci_dev *pdev,
|
|
const struct pci_device_id *ent)
|
|
{
|
|
struct net_device *net_dev;
|
|
struct bcm43xx_private *bcm;
|
|
int err;
|
|
|
|
#ifdef DEBUG_SINGLE_DEVICE_ONLY
|
|
if (strcmp(pci_name(pdev), DEBUG_SINGLE_DEVICE_ONLY))
|
|
return -ENODEV;
|
|
#endif
|
|
|
|
net_dev = alloc_ieee80211softmac(sizeof(*bcm));
|
|
if (!net_dev) {
|
|
printk(KERN_ERR PFX
|
|
"could not allocate ieee80211 device %s\n",
|
|
pci_name(pdev));
|
|
err = -ENOMEM;
|
|
goto out;
|
|
}
|
|
/* initialize the net_device struct */
|
|
SET_MODULE_OWNER(net_dev);
|
|
SET_NETDEV_DEV(net_dev, &pdev->dev);
|
|
|
|
net_dev->open = bcm43xx_net_open;
|
|
net_dev->stop = bcm43xx_net_stop;
|
|
net_dev->tx_timeout = bcm43xx_net_tx_timeout;
|
|
#ifdef CONFIG_NET_POLL_CONTROLLER
|
|
net_dev->poll_controller = bcm43xx_net_poll_controller;
|
|
#endif
|
|
net_dev->wireless_handlers = &bcm43xx_wx_handlers_def;
|
|
net_dev->irq = pdev->irq;
|
|
SET_ETHTOOL_OPS(net_dev, &bcm43xx_ethtool_ops);
|
|
|
|
/* initialize the bcm43xx_private struct */
|
|
bcm = bcm43xx_priv(net_dev);
|
|
memset(bcm, 0, sizeof(*bcm));
|
|
err = bcm43xx_init_private(bcm, net_dev, pdev);
|
|
if (err)
|
|
goto err_free_netdev;
|
|
|
|
pci_set_drvdata(pdev, net_dev);
|
|
|
|
err = bcm43xx_attach_board(bcm);
|
|
if (err)
|
|
goto err_free_netdev;
|
|
|
|
err = register_netdev(net_dev);
|
|
if (err) {
|
|
printk(KERN_ERR PFX "Cannot register net device, "
|
|
"aborting.\n");
|
|
err = -ENOMEM;
|
|
goto err_detach_board;
|
|
}
|
|
|
|
bcm43xx_debugfs_add_device(bcm);
|
|
|
|
assert(err == 0);
|
|
out:
|
|
return err;
|
|
|
|
err_detach_board:
|
|
bcm43xx_detach_board(bcm);
|
|
err_free_netdev:
|
|
free_ieee80211softmac(net_dev);
|
|
goto out;
|
|
}
|
|
|
|
static void __devexit bcm43xx_remove_one(struct pci_dev *pdev)
|
|
{
|
|
struct net_device *net_dev = pci_get_drvdata(pdev);
|
|
struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
|
|
|
|
bcm43xx_debugfs_remove_device(bcm);
|
|
unregister_netdev(net_dev);
|
|
bcm43xx_detach_board(bcm);
|
|
free_ieee80211softmac(net_dev);
|
|
}
|
|
|
|
/* Hard-reset the chip. Do not call this directly.
|
|
* Use bcm43xx_controller_restart()
|
|
*/
|
|
static void bcm43xx_chip_reset(struct work_struct *work)
|
|
{
|
|
struct bcm43xx_private *bcm =
|
|
container_of(work, struct bcm43xx_private, restart_work);
|
|
struct bcm43xx_phyinfo *phy;
|
|
int err = -ENODEV;
|
|
|
|
mutex_lock(&(bcm)->mutex);
|
|
if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED) {
|
|
bcm43xx_periodic_tasks_delete(bcm);
|
|
phy = bcm43xx_current_phy(bcm);
|
|
err = bcm43xx_select_wireless_core(bcm, phy->type);
|
|
if (!err)
|
|
bcm43xx_periodic_tasks_setup(bcm);
|
|
}
|
|
mutex_unlock(&(bcm)->mutex);
|
|
|
|
printk(KERN_ERR PFX "Controller restart%s\n",
|
|
(err == 0) ? "ed" : " failed");
|
|
}
|
|
|
|
/* Hard-reset the chip.
|
|
* This can be called from interrupt or process context.
|
|
* bcm->irq_lock must be locked.
|
|
*/
|
|
void bcm43xx_controller_restart(struct bcm43xx_private *bcm, const char *reason)
|
|
{
|
|
if (bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED)
|
|
return;
|
|
printk(KERN_ERR PFX "Controller RESET (%s) ...\n", reason);
|
|
INIT_WORK(&bcm->restart_work, bcm43xx_chip_reset);
|
|
schedule_work(&bcm->restart_work);
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
|
|
static int bcm43xx_suspend(struct pci_dev *pdev, pm_message_t state)
|
|
{
|
|
struct net_device *net_dev = pci_get_drvdata(pdev);
|
|
struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
|
|
int err;
|
|
|
|
dprintk(KERN_INFO PFX "Suspending...\n");
|
|
|
|
netif_device_detach(net_dev);
|
|
bcm->was_initialized = 0;
|
|
if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED) {
|
|
bcm->was_initialized = 1;
|
|
ieee80211softmac_stop(net_dev);
|
|
err = bcm43xx_disable_interrupts_sync(bcm);
|
|
if (unlikely(err)) {
|
|
dprintk(KERN_ERR PFX "Suspend failed.\n");
|
|
return -EAGAIN;
|
|
}
|
|
bcm->firmware_norelease = 1;
|
|
bcm43xx_free_board(bcm);
|
|
bcm->firmware_norelease = 0;
|
|
}
|
|
bcm43xx_chipset_detach(bcm);
|
|
|
|
pci_save_state(pdev);
|
|
pci_disable_device(pdev);
|
|
pci_set_power_state(pdev, pci_choose_state(pdev, state));
|
|
|
|
dprintk(KERN_INFO PFX "Device suspended.\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bcm43xx_resume(struct pci_dev *pdev)
|
|
{
|
|
struct net_device *net_dev = pci_get_drvdata(pdev);
|
|
struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
|
|
int err = 0;
|
|
|
|
dprintk(KERN_INFO PFX "Resuming...\n");
|
|
|
|
pci_set_power_state(pdev, 0);
|
|
err = pci_enable_device(pdev);
|
|
if (err) {
|
|
printk(KERN_ERR PFX "Failure with pci_enable_device!\n");
|
|
return err;
|
|
}
|
|
pci_restore_state(pdev);
|
|
|
|
bcm43xx_chipset_attach(bcm);
|
|
if (bcm->was_initialized)
|
|
err = bcm43xx_init_board(bcm);
|
|
if (err) {
|
|
printk(KERN_ERR PFX "Resume failed!\n");
|
|
return err;
|
|
}
|
|
netif_device_attach(net_dev);
|
|
|
|
dprintk(KERN_INFO PFX "Device resumed.\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
#endif /* CONFIG_PM */
|
|
|
|
static struct pci_driver bcm43xx_pci_driver = {
|
|
.name = KBUILD_MODNAME,
|
|
.id_table = bcm43xx_pci_tbl,
|
|
.probe = bcm43xx_init_one,
|
|
.remove = __devexit_p(bcm43xx_remove_one),
|
|
#ifdef CONFIG_PM
|
|
.suspend = bcm43xx_suspend,
|
|
.resume = bcm43xx_resume,
|
|
#endif /* CONFIG_PM */
|
|
};
|
|
|
|
static int __init bcm43xx_init(void)
|
|
{
|
|
printk(KERN_INFO KBUILD_MODNAME " driver\n");
|
|
bcm43xx_debugfs_init();
|
|
return pci_register_driver(&bcm43xx_pci_driver);
|
|
}
|
|
|
|
static void __exit bcm43xx_exit(void)
|
|
{
|
|
pci_unregister_driver(&bcm43xx_pci_driver);
|
|
bcm43xx_debugfs_exit();
|
|
}
|
|
|
|
module_init(bcm43xx_init)
|
|
module_exit(bcm43xx_exit)
|