--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/platforms/hw/host_platform_omap3430/Symbian/hpa/src/tiwlanhpa.cpp Tue Jun 29 12:34:26 2010 +0100
@@ -0,0 +1,460 @@
+/*
+ * tiwlanhpa.cpp
+ *
+ * Copyright(c) 1998 - 2010 Texas Instruments. All rights reserved.
+ * All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 or BSD License which accompanies
+ * this distribution. The Eclipse Public License is available at
+ * http://www.eclipse.org/legal/epl-v10.html and the BSD License is as below.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name Texas Instruments nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+
+/** \file TIWlanHpa.cpp
+ * \brief Interface between the sandbox to the BSP of Omap3430
+ *
+ * \see
+ */
+
+#include <omap_reg.h>
+
+#include "kernel.h"
+#include "TIWlanHpa.h"
+#include "wlanhpa.h"
+#include "wlanosaext.h"
+
+/* To debug HPA, define some prints here using OSA*/
+#define TRACE(msg)
+/*Kern::Printf(msg)*/
+#define ERROR_TRACE(msg) Kern::Printf(msg);
+
+
+extern void Assert( const TInt8*, TInt, TInt );
+
+/**
+ * \fn Create
+ * \brief static creator
+ *
+ * Create hpa layer object
+ *
+ * \note
+ * \param aOsaExt osa extension object
+ * \return hpa layer object, NULL upon failure
+ */
+WlanHpa* WlanHpa::Create( MWlanOsaExt& aOsaExt, MWlanOsa& aOsa)
+{
+ TRACE(("WlanHpa::Create\n"));
+
+ return new TIWlanHpa(aOsaExt, aOsa);
+}
+
+/**
+ * \fn Destroy
+ * \brief
+ *
+ * Destroy hpa layer object
+ *
+ * \note
+ * \param aWlanHpa hpa layer object
+ */
+void WlanHpa::Destroy( WlanHpa* aWlanHpa )
+{
+ if (aWlanHpa)
+ {
+ delete aWlanHpa;
+ }
+}
+
+/**
+ * \fn TIWlanHpa
+ * \brief constructor
+ *
+ * \note
+ * \param aOsaExt
+ */
+TIWlanHpa::TIWlanHpa(MWlanOsaExt& aOsaExt, MWlanOsa& aOsa):
+ WlanHpa( aOsaExt, aOsa),
+ iIrqDfc(InterruptHandlerDfc,(TAny*)this,0)
+{
+ TRACE(("%s\n",__FUNCTION__));
+ TRACE(("construct"));
+ iIrqDfc.SetDfcQ( Kern::DfcQue0() );
+}
+
+/**
+ * \fn TIWlanHpa
+ * \brief destructor
+ *
+ * \note
+ */
+TIWlanHpa::~TIWlanHpa()
+{
+ TRACE(("%s\n",__FUNCTION__));
+
+}
+
+/**
+ * \fn TIWlanHpa
+ * \brief Turns WLAN device power on
+ *
+ * \note
+ */
+void TIWlanHpa::PowerOnDevice()
+{
+ TRACE(("PowerOnDevice\n"));
+
+ /* Hook to IRQ line */
+ SetupIrqHw(iConfig.iIsrPolarity);
+ TRACE(("PowerOnDevice 2\n"));
+
+ /* Hook to Reset (PM Enable) line */
+ SetupRstHw();
+ TRACE(("PowerOnDevice 3\n"));
+
+ TOmap::ModifyRegister32(KHwBaseSysCtrlReg +0x0c8,0xFFFF,0x411C);
+
+ TOmap::ModifyRegister32(KHwBaseSysCtrlReg +0xA0C,0xFFFF,0x104);
+
+ /* Activate PM Enable line */
+ ExitReset();
+}
+
+/**
+ * \fn TIWlanHpa
+ * \brief Turns WLAN devices power off
+ *
+ * \note
+ */
+void TIWlanHpa::PowerOffDevice()
+{
+ TRACE(("%s\n",__FUNCTION__));
+
+ /* Unbind ISR and disable notification */
+ KillInterrupts();
+
+ TOmap::ModifyRegister32(KHwBaseSysCtrlReg +0x0c8,0xFFFF,0x10C);
+
+ TOmap::ModifyRegister32(KHwBaseSysCtrlReg +0xA0C,0xFFFF,0x10C);
+
+ /* Deactivate PM Enable */
+ EnterReset();
+
+ /* Release reset & IRQ pins */
+ GPIO::SetPinMode(RST_GPIO_NUM, GPIO::EDisabled);
+
+ /* cancel any pending interrupts (i.e DFC was scheduled before calling PowerOffDevice() ) */
+ iIrqDfc.Cancel();
+}
+
+/**
+ * \fn InterruptServiced
+ * \brief
+ *
+ * Called by hpa layer object client when peripheral interrupt
+ * informed by OnInterrupt method has been serviced.
+ * NOTE: on systems implementing level sensitive interrupt handling
+ * host interrupt is enabled at this state
+ *
+ * \note
+ */
+void TIWlanHpa::InterruptServiced()
+{
+ Enable();
+}
+
+/**
+ * \fn Configure
+ * \brief configure polarity of IRQ
+ *
+ * \note
+ * \param aWlanHpa::TConfig
+ */
+void TIWlanHpa::Configure( const WlanHpa::TConfig& aConfig )
+{
+ TRACE(("Configure"));
+
+ /* Save configuration of polarity, to be used in SetupIrqHw() */
+ iConfig = aConfig;
+}
+
+/**
+ * \fn Configure
+ * \brief configure polarity of IRQ
+ *
+ * \note
+ * \param aWlanHpa::TConfig
+ */
+void TIWlanHpa::EnableIrq()
+{
+ TRACE(("EnableIrq"));
+
+ Enable();
+}
+
+/**
+ * \fn DebugGpioToggle
+ * \brief
+ *
+ * \note
+ * \param
+ */
+TBool TIWlanHpa::DebugGpioToggle( TBool aHigh ){ return 0;}
+/**
+ * \fn ExitReset
+ * \brief Sets WLAN PMEN line.
+ *
+ * \note
+ * \param
+ */
+void TIWlanHpa::ExitReset()
+{
+ /* Set GPIO driver output to logic High */
+ GPIO::SetOutputState(RST_GPIO_NUM, GPIO::EHigh);
+}
+
+/**
+ * \fn EnterReset
+ * \brief Clears WLAN PMEN line.
+ *
+ * \note
+ * \param
+ */
+void TIWlanHpa::EnterReset()
+{
+ /* Set GPIO driver output to logic Low */
+ GPIO::SetOutputState(RST_GPIO_NUM, GPIO::ELow);
+}
+
+/**
+ * \fn Disable
+ * \brief Disables WLAN interrupt notification.
+ *
+ * \note
+ * \param aOsaExt
+ */
+void TIWlanHpa::Disable()
+{
+ GPIO::DisableInterrupt(IRQ_GPIO_NUM);
+}
+
+/**
+ * \fn Enable
+ * \brief Enables WLAN interrupt notification.
+ *
+ * \note
+ * \param
+ */
+void TIWlanHpa::Enable()
+{
+ GPIO::EnableInterrupt(IRQ_GPIO_NUM);
+}
+
+/**
+ * \fn SetupIrqHw
+ * \brief set IRQ line
+ *
+ * Sets GPIO as input line, binds it to an interrupt. Static function
+ * Isr() is bound to the interrupt service routine.
+ *
+ * Uses following defines:
+ *
+ * #define IRQ_GPIO_NUM 61
+ * #define IRQ_MOD_NUM 0
+ *
+ * of which IRQ_GPIO_NUM is the GPIO number and
+ * IRQ_MOD_NUM is the module number where the corresponding
+ * GPIO belongs to.
+ *
+ * \note
+ * \param
+ */
+void TIWlanHpa::SetupIrqHw( WlanHpa::TIsrPolarity aPolarity)
+{
+ Kern::Printf("SetupIrqHw %d", IRQ_GPIO_NUM);
+
+ /*--------------------------------------------------------*/
+ /* common code to init the irq pin */
+ /*--------------------------------------------------------*/
+ TInt r = GPIO::SetPinMode(IRQ_GPIO_NUM, GPIO::EEnabled);
+ if (r != KErrNone)
+ {
+ ERROR_TRACE(("ERROR:cant grab wlan interrupt pin"))
+ Assert( __FILE__, __LINE__, EFalse );
+ }
+ GPIO::SetPinDirection(IRQ_GPIO_NUM, GPIO::EInput);
+ GPIO::ClearInterrupt(IRQ_GPIO_NUM);
+ GPIO::DisableInterrupt(IRQ_GPIO_NUM);
+ GPIO::DisableWakeup(IRQ_GPIO_NUM);
+
+ r = GPIO::BindInterrupt (IRQ_GPIO_NUM, Isr, this);
+ if (r != KErrNone)
+ {
+ ERROR_TRACE(("ERROR:cant bind wlan interrupt to pin"))
+ Assert( __FILE__, __LINE__, EFalse );
+ }
+
+ /* #warning "IRQ type is EDGE" */
+ if( WlanHpa::EIsrPolarityHigh == aPolarity)
+ /* Configure the Intr on Rising edge sensitive */
+ GPIO::SetInterruptTrigger(IRQ_GPIO_NUM, GPIO::EEdgeRising);
+ else
+ /* Configure the Intr on Falling edge sensitive */
+ GPIO::SetInterruptTrigger(IRQ_GPIO_NUM, GPIO::EEdgeFalling);
+#if 0
+ #warning "IRQ type is LEVEL"
+ if( WlanHpa::EIsrPolarityHigh == aPolarity)
+ /* Configure the Intr on Rising leve sensitive */
+ GPIO::SetInterruptTrigger(IRQ_GPIO_NUM, GPIO::ELevelHigh);
+ else
+ /* Configure the Intr on Falling leve sensitive */
+ GPIO::SetInterruptTrigger(IRQ_GPIO_NUM, GPIO::ELevelLow);
+#endif
+ Disable(); // disable int until required
+}
+
+/**
+ * \fn SetupRstHw
+ * \brief set reset line.
+ *
+ * Sets GPIO as output line. Used for controlling the PMEN signal of the WLAN chip.
+ * #define RST_GPIO_NUM 3
+ * #define RST_MOD_NUM 0
+ *
+ * of which RST_GPIO_NUM is the GPIO number and
+ * RST_MOD_NUM is the module number where the corresponding
+ * GPIO belongs to.
+ * \note
+ * \param
+ */
+void TIWlanHpa::SetupRstHw()
+{
+ Kern::Printf("SetupRstHw %d", RST_GPIO_NUM);
+
+ /*--------------------------------------------------------*/
+ /* common code to init the rst pin */
+ /*--------------------------------------------------------*/
+ /* Get control of GPIO driver line */
+ TInt r = GPIO::SetPinMode(RST_GPIO_NUM, GPIO::EEnabled);
+ if (r != KErrNone)
+ {
+ ERROR_TRACE(("ERROR:cant grab wlan enable pin"))
+ Assert( __FILE__, __LINE__, EFalse );
+ }
+
+ GPIO::SetPinDirection(RST_GPIO_NUM, GPIO::EOutput);
+
+ EnterReset();
+}
+
+/**
+ * \fn Isr
+ * \brief Interrupt handler function.
+ *
+ * \note
+ * \param aPtr HPA object context.
+ * \param aPinHandle is not used.
+ */
+void TIWlanHpa::Isr( TAny* aPtr)
+{
+ TIWlanHpa* p = static_cast<TIWlanHpa*>( aPtr );
+
+ // Ack and Disable the interrupt
+ GPIO::ClearInterrupt(IRQ_GPIO_NUM);
+ GPIO::DisableInterrupt(IRQ_GPIO_NUM);
+ GPIO::DisableWakeup(IRQ_GPIO_NUM);
+
+ p->Disable();
+
+ p->InterruptHandlerStartDfc();
+}
+
+/**
+ * \fn InterruptHandlerStartDfc
+ * \brief Start the DFC queue
+ *
+ * \note
+ * \param
+ */
+
+void TIWlanHpa::InterruptHandlerStartDfc()
+{
+ iIrqDfc.Add();
+}
+
+/**
+ * \fn InterruptHandlerDfc
+ *
+ * DFC - function called by a DFC to handle the interrupt
+ * call another function to get in the correct class and
+ * therefore don't need me-> all the time
+ * Doesn't always work having me-> for the C software
+ * \note
+ * \param
+ */
+void TIWlanHpa::InterruptHandlerDfc(TAny* aPtr)
+{
+ TIWlanHpa* me = (TIWlanHpa*)aPtr;
+ me->InterruptHandler();
+}
+
+ /**
+ * \fn InterruptHandler
+ * \brief Call the actual interrupt handling routine and
+ *
+ * \note
+ * \param
+ */
+void TIWlanHpa::InterruptHandler()
+{
+ OsaExtCb().MutexAcquire();
+ HpaCb().OnInterrupt();
+ OsaExtCb().MutexRelease();
+}
+
+ /**
+ * \fn KillInterrupts
+ * \brief Call the actual interrupt handling routine and
+ *
+ * Disables interrupts and
+ * unbinds the interrupt service routine.
+ *
+ * \note
+ * \param
+ */
+void TIWlanHpa::KillInterrupts()
+{
+ GPIO::ClearInterrupt(IRQ_GPIO_NUM);
+ GPIO::DisableInterrupt(IRQ_GPIO_NUM);
+ GPIO::DisableWakeup(IRQ_GPIO_NUM);
+ GPIO::UnbindInterrupt(IRQ_GPIO_NUM);
+ GPIO::SetPinMode(IRQ_GPIO_NUM, GPIO::EDisabled);
+}
+