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authorDmitry Shmidt <dimitrysh@google.com>2011-10-09 02:21:08 +0100
committerAndy Green <andy.green@linaro.org>2011-10-09 02:21:08 +0100
commit3f76199eda206f3e8d5fa6143de152ffb0e968d7 (patch)
tree69ee0b9b84b4239f5e75abdb152db7bc79b847d4 /drivers/net/wireless/bcm4329/bcmsdstd_linux.c
parentbe28e593fc307bf54b0f73685f516be504d13f27 (diff)
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.c251
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 00000000000..a8b98e2054a
--- /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;
+}