diff options
author | Dmitry Shmidt <dimitrysh@google.com> | 2010-05-19 18:53:11 -0700 |
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committer | Colin Cross <ccross@android.com> | 2011-06-14 09:09:32 -0700 |
commit | da65eba112b2bcd1f54eb41bb0960078eba1657e (patch) | |
tree | 2c8ac975489804bcd23daaafb835646acf15c4c8 /drivers/net/wireless/bcm4329/bcmsdstd_linux.c | |
parent | 058abe5367489f424afa14753b642c036ed9c2be (diff) | |
download | kernel_samsung_tuna-da65eba112b2bcd1f54eb41bb0960078eba1657e.zip kernel_samsung_tuna-da65eba112b2bcd1f54eb41bb0960078eba1657e.tar.gz kernel_samsung_tuna-da65eba112b2bcd1f54eb41bb0960078eba1657e.tar.bz2 |
network: wireless: bcm4329: Add bcm4329 driver
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
network: wireless: bcm4329: Add "HANG" event and console monitoring
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
network: wireless: bcm4329: Remove unnecessary set_freezable() calls
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
network: wireless: bcm4329: Update to Version 4.218.238
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
network: wireless: bcm4329: Fix MAC address import
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
network: wireless: bcm4329: Fix wlan card removal
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
network: wireless: bcm4329: Update to Version 4.218.239
Add reading mac address from platform data
Add dhd_os_proto_block protection for dhd_preinit_ioctls
Revert dhdsdio_clk() changes
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Add SoftAP MAC address randomization
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
network: wireless: bcm4329: Add 2.6.35 compatibility and fix memory leak in set_multicast_list
Signed-off-by: Dmitry Shmidt <dimitrysh@android.com>
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
network: wireless: bcm4329: Reduce driver loading time
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
network: wireless: bcm4329: Set special OUI: 02:1A:11:FH:HH:HH for SoftAP
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
network: wireless: bcm4329: Fix BUS DOWN in IOCTL
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
network: wireless: bcm4329: Add driver SETSUSPEND command
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Fix packet filter to only filter out non-unicast frames
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Add wakelock processing in ioctl and messaging
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Update to 4.218.245 (combo scan)
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Update to Version 4.218.246 and setband fix
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Add wakelock processing to WEXT requests
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Force scan when driver is loaded
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Fix scan timeout for abg case
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Fix dhd_bus_watchdog() race conditions
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Fix unregister_early_suspend() in dhd_detach()
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Add memory barriers to wait functions
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Fix "setsuspend" behavior
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Increase PMU_MAX_TRANSITION_DLY to 1 sec
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Turn OFF packet filtering during DHCP session
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Disable packet filtering
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Send "HANG" message only once
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Update to Version 4.218.248
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Fix HW_OOB interrupt processing
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Fix interrupt enabling for level interrupt
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
Revert "net: wireless: bcm4329: Fix interrupt enabling for level interrupt"
This reverts commit 261d21bbfffef6261696d0d13672d2e4f9d76f05.
Revert "net: wireless: bcm4329: Fix HW_OOB interrupt processing"
This reverts commit 8bd035daa820dc5612ae311262c71dc133871046.
net: wireless: bcm4329: Fix HW_OOB interrupt processing
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Fix roaming failure case
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Fix roaming setting on resume
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Add debug print for cscan failure
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Ignore error if scan results are empty
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Enable packet filtering during low power mode
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Update to Version 4.218.248.6
Fix watchdog time rescheduling, fix first scan no-return
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Fix interrupt enabling in case of error
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Fix setting HT clock race conditions
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Fix setting HT clock race conditions in driver start
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Update to Version 4.218.248-10
Add KEEP_ALIVE feature, fix 'driver rssi' processing, fix roaming processing
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Improve BT-coex for eSCO
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Fix race conditions for sysioc_thread
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Update to version 4.218.248-11
Check for 'driver start' failure, Set keep-alive feature forever
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Check for out of bounds in scan results parsing
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Add check for out of bounds scan buffer
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Update to version 4.218.248-12
- Fix crash during Specific Scan handling
- Fix potential insmod crash by increase Registration Timeout to 12 sec
- Added max time restriction to PNO scan timer
- New IWPRIV "AP_STA_DISASSOC" to disassoc STAs in SoftAP mode
- Add new setting to SoftAP "AP_SET_CFG" to enable Hidden SSID
- Fixs bugs for SoftAP AP_SET_MAC_FLTR iwpriv commnd
- Add STAs rssi filed to SoftAP "AP_GET_STA_LIST" IWPRIV commnd
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Fix watchdog termination after 'driver stop'
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Enable KEEP_ALIVE feature
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Add FW Reload event processing
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Fix Softap start/stop race conditions
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Set first channel passive scan to 30 ms
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Update to Version 4.218.248-15
- Increase default Listen Interval to 20 Beacons
- Add logic to adjust SKIP_DTIM if Listen Interval < DTIM * DTIM_SKIP to
avoid data lost due to fact that packet maybe not retrieved during Listen
Interval and AP may toss it
- Fix problem with Hidden AP setting after AP reconfigure
- Add new SoftAP optional parameter as COUNTRY to pass country code to SoftAP
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Improve way to detect BT SCO connection for BT-coex
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Use non-DFS channels only for US
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Add 'setdfschannels' command
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Fix watchdog syncronization during start/stop
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Fix driver 'start' retry ability
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Fix memory leak in case of dhd_bus_init() failure
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Add CONFIG_FIRST_SCAN option
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Update to Version 4.218.248-17
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
net: wireless: bcm4329: Update to version 4.218.248-18
- Improve BT-coex to differentiate HID and SCO device during DHCP session
- Enforce DTIM=1 for any SoftAP settings to optimize internal memory logic
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
Diffstat (limited to 'drivers/net/wireless/bcm4329/bcmsdstd_linux.c')
-rw-r--r-- | drivers/net/wireless/bcm4329/bcmsdstd_linux.c | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcm4329/bcmsdstd_linux.c b/drivers/net/wireless/bcm4329/bcmsdstd_linux.c new file mode 100644 index 0000000..a8b98e2 --- /dev/null +++ b/drivers/net/wireless/bcm4329/bcmsdstd_linux.c @@ -0,0 +1,251 @@ +/* + * 'Standard' SDIO HOST CONTROLLER driver - linux portion + * + * Copyright (C) 1999-2010, Broadcom Corporation + * + * Unless you and Broadcom execute a separate written software license + * agreement governing use of this software, this software is licensed to you + * under the terms of the GNU General Public License version 2 (the "GPL"), + * available at http://www.broadcom.com/licenses/GPLv2.php, with the + * following added to such license: + * + * As a special exception, the copyright holders of this software give you + * permission to link this software with independent modules, and to copy and + * distribute the resulting executable under terms of your choice, provided that + * you also meet, for each linked independent module, the terms and conditions of + * the license of that module. An independent module is a module which is not + * derived from this software. The special exception does not apply to any + * modifications of the software. + * + * Notwithstanding the above, under no circumstances may you combine this + * software in any way with any other Broadcom software provided under a license + * other than the GPL, without Broadcom's express prior written consent. + * + * $Id: bcmsdstd_linux.c,v 1.11.18.2.16.1 2010/08/17 17:03:13 Exp $ + */ + +#include <typedefs.h> +#include <pcicfg.h> +#include <bcmutils.h> +#include <sdio.h> /* SDIO Specs */ +#include <bcmsdbus.h> /* bcmsdh to/from specific controller APIs */ +#include <sdiovar.h> /* to get msglevel bit values */ + +#include <linux/sched.h> /* request_irq() */ + +#include <bcmsdstd.h> + +struct sdos_info { + sdioh_info_t *sd; + spinlock_t lock; + wait_queue_head_t intr_wait_queue; +}; + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)) +#define BLOCKABLE() (!in_atomic()) +#else +#define BLOCKABLE() (!in_interrupt()) +#endif + +/* Interrupt handler */ +static irqreturn_t +sdstd_isr(int irq, void *dev_id +#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20) +, struct pt_regs *ptregs +#endif +) +{ + sdioh_info_t *sd; + struct sdos_info *sdos; + bool ours; + + sd = (sdioh_info_t *)dev_id; + + if (!sd->card_init_done) { + sd_err(("%s: Hey Bogus intr...not even initted: irq %d\n", __FUNCTION__, irq)); + return IRQ_RETVAL(FALSE); + } else { + ours = check_client_intr(sd); + + /* For local interrupts, wake the waiting process */ + if (ours && sd->got_hcint) { + sd_trace(("INTR->WAKE\n")); + sdos = (struct sdos_info *)sd->sdos_info; + wake_up_interruptible(&sdos->intr_wait_queue); + } + return IRQ_RETVAL(ours); + } +} + +/* Register with Linux for interrupts */ +int +sdstd_register_irq(sdioh_info_t *sd, uint irq) +{ + sd_trace(("Entering %s: irq == %d\n", __FUNCTION__, irq)); + if (request_irq(irq, sdstd_isr, IRQF_SHARED, "bcmsdstd", sd) < 0) { + sd_err(("%s: request_irq() failed\n", __FUNCTION__)); + return ERROR; + } + return SUCCESS; +} + +/* Free Linux irq */ +void +sdstd_free_irq(uint irq, sdioh_info_t *sd) +{ + free_irq(irq, sd); +} + +/* Map Host controller registers */ + +uint32 * +sdstd_reg_map(osl_t *osh, int32 addr, int size) +{ + return (uint32 *)REG_MAP(addr, size); +} + +void +sdstd_reg_unmap(osl_t *osh, int32 addr, int size) +{ + REG_UNMAP((void*)(uintptr)addr); +} + +int +sdstd_osinit(sdioh_info_t *sd) +{ + struct sdos_info *sdos; + + sdos = (struct sdos_info*)MALLOC(sd->osh, sizeof(struct sdos_info)); + sd->sdos_info = (void*)sdos; + if (sdos == NULL) + return BCME_NOMEM; + + sdos->sd = sd; + spin_lock_init(&sdos->lock); + init_waitqueue_head(&sdos->intr_wait_queue); + return BCME_OK; +} + +void +sdstd_osfree(sdioh_info_t *sd) +{ + struct sdos_info *sdos; + ASSERT(sd && sd->sdos_info); + + sdos = (struct sdos_info *)sd->sdos_info; + MFREE(sd->osh, sdos, sizeof(struct sdos_info)); +} + +/* Interrupt enable/disable */ +SDIOH_API_RC +sdioh_interrupt_set(sdioh_info_t *sd, bool enable) +{ + ulong flags; + struct sdos_info *sdos; + + sd_trace(("%s: %s\n", __FUNCTION__, enable ? "Enabling" : "Disabling")); + + sdos = (struct sdos_info *)sd->sdos_info; + ASSERT(sdos); + + if (!(sd->host_init_done && sd->card_init_done)) { + sd_err(("%s: Card & Host are not initted - bailing\n", __FUNCTION__)); + return SDIOH_API_RC_FAIL; + } + + if (enable && !(sd->intr_handler && sd->intr_handler_arg)) { + sd_err(("%s: no handler registered, will not enable\n", __FUNCTION__)); + return SDIOH_API_RC_FAIL; + } + + /* Ensure atomicity for enable/disable calls */ + spin_lock_irqsave(&sdos->lock, flags); + + sd->client_intr_enabled = enable; + if (enable && !sd->lockcount) + sdstd_devintr_on(sd); + else + sdstd_devintr_off(sd); + + spin_unlock_irqrestore(&sdos->lock, flags); + + return SDIOH_API_RC_SUCCESS; +} + +/* Protect against reentrancy (disable device interrupts while executing) */ +void +sdstd_lock(sdioh_info_t *sd) +{ + ulong flags; + struct sdos_info *sdos; + + sdos = (struct sdos_info *)sd->sdos_info; + ASSERT(sdos); + + sd_trace(("%s: %d\n", __FUNCTION__, sd->lockcount)); + + spin_lock_irqsave(&sdos->lock, flags); + if (sd->lockcount) { + sd_err(("%s: Already locked! called from %p\n", + __FUNCTION__, + __builtin_return_address(0))); + ASSERT(sd->lockcount == 0); + } + sdstd_devintr_off(sd); + sd->lockcount++; + spin_unlock_irqrestore(&sdos->lock, flags); +} + +/* Enable client interrupt */ +void +sdstd_unlock(sdioh_info_t *sd) +{ + ulong flags; + struct sdos_info *sdos; + + sd_trace(("%s: %d, %d\n", __FUNCTION__, sd->lockcount, sd->client_intr_enabled)); + ASSERT(sd->lockcount > 0); + + sdos = (struct sdos_info *)sd->sdos_info; + ASSERT(sdos); + + spin_lock_irqsave(&sdos->lock, flags); + if (--sd->lockcount == 0 && sd->client_intr_enabled) { + sdstd_devintr_on(sd); + } + spin_unlock_irqrestore(&sdos->lock, flags); +} + +uint16 +sdstd_waitbits(sdioh_info_t *sd, uint16 norm, uint16 err, bool yield) +{ + struct sdos_info *sdos; + + sdos = (struct sdos_info *)sd->sdos_info; + +#ifndef BCMSDYIELD + ASSERT(!yield); +#endif + sd_trace(("%s: int 0x%02x err 0x%02x yield %d canblock %d\n", + __FUNCTION__, norm, err, yield, BLOCKABLE())); + + /* Clear the "interrupt happened" flag and last intrstatus */ + sd->got_hcint = FALSE; + sd->last_intrstatus = 0; + +#ifdef BCMSDYIELD + if (yield && BLOCKABLE()) { + /* Enable interrupts, wait for the indication, then disable */ + sdstd_intrs_on(sd, norm, err); + wait_event_interruptible(sdos->intr_wait_queue, (sd->got_hcint)); + sdstd_intrs_off(sd, norm, err); + } else +#endif /* BCMSDYIELD */ + { + sdstd_spinbits(sd, norm, err); + } + + sd_trace(("%s: last_intrstatus 0x%04x\n", __FUNCTION__, sd->last_intrstatus)); + + return sd->last_intrstatus; +} |