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Diffstat (limited to 'wilink_6_1/platforms/hw/linux/host_platform.c')
-rw-r--r--wilink_6_1/platforms/hw/linux/host_platform.c308
1 files changed, 308 insertions, 0 deletions
diff --git a/wilink_6_1/platforms/hw/linux/host_platform.c b/wilink_6_1/platforms/hw/linux/host_platform.c
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+++ b/wilink_6_1/platforms/hw/linux/host_platform.c
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+/*
+ * host_platform.c
+ *
+ * Copyright(c) 1998 - 2009 Texas Instruments. All rights reserved.
+ * All rights reserved.
+ *
+ * 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.
+ */
+#include "tidef.h"
+#include <linux/kernel.h>
+#include <asm/io.h>
+#include <mach/tc.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/wifi_tiwlan.h>
+
+#include "host_platform.h"
+#include "ioctl_init.h"
+#include "WlanDrvIf.h"
+#include "Device1273.h"
+
+#define OS_API_MEM_ADDR 0x0000000
+#define OS_API_REG_ADDR 0x0300000
+#define SDIO_ATTEMPT_LONGER_DELAY_LINUX 150
+
+static struct wifi_platform_data *wifi_control_data = NULL;
+static struct resource *wifi_irqres = NULL;
+
+static int wifi_probe( struct platform_device *pdev )
+{
+ struct wifi_platform_data *wifi_ctrl = (struct wifi_platform_data *)(pdev->dev.platform_data);
+
+ /* printk("%s\n", __FUNCTION__); */
+ wifi_irqres = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "device_wifi_irq");
+#if 0
+ if (wifi_irqres) {
+ printk("wifi_irqres->start = %lu\n", (unsigned long)(wifi_irqres->start));
+ printk("wifi_irqres->flags = %lx\n", wifi_irqres->flags);
+ }
+#endif
+ if( wifi_ctrl ) {
+ wifi_control_data = wifi_ctrl;
+#if 0
+ if( wifi_ctrl->set_power )
+ wifi_ctrl->set_power(1); /* Power On */
+ if( wifi_ctrl->set_reset )
+ wifi_ctrl->set_reset(0); /* Reset clear */
+ if( wifi_ctrl->set_carddetect )
+ wifi_ctrl->set_carddetect(1); /* CardDetect (0->1) */
+#endif
+ }
+ return 0;
+}
+
+static int wifi_remove( struct platform_device *pdev )
+{
+ struct wifi_platform_data *wifi_ctrl = (struct wifi_platform_data *)(pdev->dev.platform_data);
+
+ /* printk("%s\n", __FUNCTION__); */
+ if( wifi_ctrl ) {
+ if( wifi_ctrl->set_carddetect )
+ wifi_ctrl->set_carddetect(0); /* CardDetect (1->0) */
+ if( wifi_ctrl->set_reset )
+ wifi_ctrl->set_reset(1); /* Reset active */
+ if( wifi_ctrl->set_power )
+ wifi_ctrl->set_power(0); /* Power Off */
+ }
+ return 0;
+}
+
+static struct platform_driver wifi_device = {
+ .probe = wifi_probe,
+ .remove = wifi_remove,
+ .suspend = NULL,
+ .resume = NULL,
+ .driver = {
+ .name = "device_wifi",
+ },
+};
+
+static int wifi_add_dev( void )
+{
+ /* printk("%s\n", __FUNCTION__); */
+ return platform_driver_register( &wifi_device );
+}
+
+static void wifi_del_dev( void )
+{
+ /* printk("%s\n", __FUNCTION__); */
+ platform_driver_unregister( &wifi_device );
+}
+
+int wifi_set_carddetect( int on )
+{
+ /* printk("%s = %d\n", __FUNCTION__, on); */
+ if( wifi_control_data && wifi_control_data->set_carddetect ) {
+ wifi_control_data->set_carddetect(on);
+ }
+ return 0;
+}
+
+int wifi_set_power( int on, unsigned long msec )
+{
+ /* printk("%s = %d\n", __FUNCTION__, on); */
+ if( wifi_control_data && wifi_control_data->set_power ) {
+ wifi_control_data->set_power(on);
+ }
+ else {
+ gpio_set_value(PMENA_GPIO, on);
+ }
+ if( msec )
+ mdelay(msec);
+ return 0;
+}
+
+int wifi_set_reset( int on, unsigned long msec )
+{
+ /* printk("%s = %d\n", __FUNCTION__, on); */
+ if( wifi_control_data && wifi_control_data->set_reset ) {
+ wifi_control_data->set_reset(on);
+ }
+ if( msec )
+ mdelay(msec);
+ return 0;
+}
+
+/*-----------------------------------------------------------------------------
+Routine Name: hPlatform_hardResetTnetw
+Routine Description: set the GPIO to low after awaking the TNET from ELP.
+Arguments: None
+Return Value: 0 - Ok
+-----------------------------------------------------------------------------*/
+
+int hPlatform_hardResetTnetw( void )
+{
+ int err;
+
+ /* Turn power OFF */
+ if ((err = wifi_set_power(0, 15)) == 0) {
+ /* Turn power ON*/
+ err = wifi_set_power(1, 70);
+ }
+ return err;
+} /* hPlatform_hardResetTnetw() */
+
+/* Turn device power off */
+int hPlatform_DevicePowerOff( void )
+{
+ int err;
+
+ err = wifi_set_power(0, 15);
+ return err;
+}
+
+
+/* Turn device power off according to a given delay */
+int hPlatform_DevicePowerOffSetLongerDelay(void)
+{
+ int err;
+
+ err = wifi_set_power(0, SDIO_ATTEMPT_LONGER_DELAY_LINUX);
+
+ return err;
+}
+
+/* Turn device power on */
+int hPlatform_DevicePowerOn( void )
+{
+ int err;
+
+ wifi_set_power(1, 15); /* Fixed power sequence */
+ wifi_set_power(0, 1);
+ /* Should not be changed, 50 msec cause failures */
+ err = wifi_set_power(1, 70);
+ return err;
+}
+
+/*---------------------------------------------------------------------------*/
+
+int hPlatform_Wlan_Hardware_Init(void *tnet_drv)
+{
+ TWlanDrvIfObj *drv = tnet_drv;
+
+ printk("%s\n", __FUNCTION__);
+ wifi_add_dev();
+ if (wifi_irqres) {
+ drv->irq = wifi_irqres->start;
+ drv->irq_flags = wifi_irqres->flags & IRQF_TRIGGER_MASK;
+ }
+ else {
+ drv->irq = TNETW_IRQ;
+ drv->irq_flags = (unsigned long)IRQF_TRIGGER_FALLING;
+ }
+ return 0;
+}
+
+/*-----------------------------------------------------------------------------
+
+Routine Name:
+
+ InitInterrupt
+
+Routine Description:
+
+ this function init the interrupt to the Wlan ISR routine.
+
+Arguments:
+
+ tnet_drv - Golbal Tnet driver pointer.
+
+Return Value:
+
+ status
+
+-----------------------------------------------------------------------------*/
+
+int hPlatform_initInterrupt( void *tnet_drv, void* handle_add )
+{
+ TWlanDrvIfObj *drv = tnet_drv;
+ int rc;
+
+ if (drv->irq == 0 || handle_add == NULL)
+ {
+ print_err("hPlatform_initInterrupt() bad param drv->irq=%d handle_add=0x%x !!!\n",drv->irq,(int)handle_add);
+ return -EINVAL;
+ }
+ printk("drv->irq = %u, %lx\n", drv->irq, drv->irq_flags);
+ if ((rc = request_irq(drv->irq, handle_add, drv->irq_flags, drv->netdev->name, drv)))
+ {
+ print_err("TIWLAN: Failed to register interrupt handler\n");
+ return rc;
+ }
+ set_irq_wake(drv->irq, 1);
+ return rc;
+
+} /* hPlatform_initInterrupt() */
+
+/*--------------------------------------------------------------------------------------*/
+
+void hPlatform_freeInterrupt( void *tnet_drv )
+{
+ TWlanDrvIfObj *drv = tnet_drv;
+
+ set_irq_wake(drv->irq, 0);
+ free_irq(drv->irq, drv);
+}
+
+/****************************************************************************************
+ * hPlatform_hwGetRegistersAddr()
+ ****************************************************************************************
+DESCRIPTION:
+
+ARGUMENTS:
+
+RETURN:
+
+NOTES:
+*****************************************************************************************/
+void *hPlatform_hwGetRegistersAddr(TI_HANDLE OsContext)
+{
+ return (void *)OS_API_REG_ADDR;
+}
+
+/****************************************************************************************
+ * hPlatform_hwGetMemoryAddr()
+ ****************************************************************************************
+DESCRIPTION:
+
+ARGUMENTS:
+
+RETURN:
+
+NOTES:
+*****************************************************************************************/
+void *hPlatform_hwGetMemoryAddr(TI_HANDLE OsContext)
+{
+ return (void *)OS_API_MEM_ADDR;
+}
+
+
+void hPlatform_Wlan_Hardware_DeInit(void)
+{
+ wifi_del_dev();
+}
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