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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 "host_platform.h"
#include "ioctl_init.h"
#include "WlanDrvIf.h"
#include "Device1273.h"
#define OS_API_MEM_ADRR 0x0000000
#define OS_API_REG_ADRR 0x300000
#if 0 /* needed for first time new host ramp*/
static void dump_omap_registers(void);
#endif
static void pad_config(unsigned long pad_addr, u32 andmask, u32 ormask)
{
int val;
u32 *addr;
addr = (u32 *) ioremap(pad_addr, 4);
if (!addr) {
printk(KERN_ERR "OMAP3430_pad_config: ioremap failed with addr %lx\n", pad_addr);
return;
}
val = __raw_readl(addr);
val &= andmask;
val |= ormask;
__raw_writel(val, addr);
iounmap(addr);
}
static int OMAP3430_TNETW_Power(int power_on)
{
if (power_on) {
gpio_set_value(PMENA_GPIO, 1);
} else {
gpio_set_value(PMENA_GPIO, 0);
}
return 0;
}
/*-----------------------------------------------------------------------------
Routine Name:
hPlatform_hardResetTnetw
Routine Description:
set the GPIO to low after awaking the TNET from ELP.
Arguments:
OsContext - our adapter context.
Return Value:
None
-----------------------------------------------------------------------------*/
int hPlatform_hardResetTnetw(void)
{
int err;
/* Turn power OFF*/
if ((err = OMAP3430_TNETW_Power(0)) == 0)
{
mdelay(500);
/* Turn power ON*/
err = OMAP3430_TNETW_Power(1);
mdelay(50);
}
return err;
} /* hPlatform_hardResetTnetw() */
/* Turn device power off */
int hPlatform_DevicePowerOff (void)
{
int err;
err = OMAP3430_TNETW_Power(0);
mdelay(10);
return err;
}
/* Turn device power off according to a given delay */
int hPlatform_DevicePowerOffSetLongerDelay(void)
{
int err;
err = OMAP3430_TNETW_Power(0);
mdelay(SDIO_ATTEMPT_LONGER_DELAY_LINUX);
return err;
}
/* Turn device power on */
int hPlatform_DevicePowerOn (void)
{
int err;
err = OMAP3430_TNETW_Power(1);
/* New Power Up Sequence */
mdelay(15);
err = OMAP3430_TNETW_Power(0);
mdelay(1);
err = OMAP3430_TNETW_Power(1);
/* Should not be changed, 50 msec cause failures */
mdelay(70);
return err;
}
/*--------------------------------------------------------------------------------------*/
int hPlatform_Wlan_Hardware_Init(void *tnet_drv)
{
TWlanDrvIfObj *drv = tnet_drv;
drv->irq = TNETW_IRQ;
/* choose gpio 101, pull up */
/* Setting MUX Mode 4 , Pull bits 0 */
/* Should set (x is don't change): xxxx xxxx xxxx xxxx xxxx xxxx xxx1 1000 */
pad_config(CONTROL_PADCONF_CAM_D1, 0xFFE0FFFF, 0x001C0000);
/* choose gpio 162, pull up, activated */
/* Setting MUX Mode 4 , Pull bits 3 */
/* Should set (x is don't change): xxxx xxxx xxxx xxxx xxxx xxxx xxx1 1100 */
pad_config(CONTROL_PADCONF_MCBSP1_CLKX, 0xFFFFFFF0, 0x0000011C);
/*
* set pull up on all SDIO lines
* Setting MUX Mode of 0, and pull bits to 3
*/
/* set for mmc2_cmd - second half of the padconf register
* Should set (x is don't change): xxxx xxxx xxx1 1000 xxxx xxxx xxxx xxxx */
pad_config(CONTROL_PADCONF_MMC3_CMD, 0xFFFFFFF0, 0x0000011B);
pad_config(CONTROL_PADCONF_MMC3_CLK, 0xFFF0FFE0,0x001C011A);
/* set for mmc3_dat0 and dat1 - both parts of the padconf register
* Should set (x is don't change): xxxx xxxx xxx1 1000 xxxx xxxx xxx1 1000 */
pad_config(CONTROL_PADCONF_MMC3_DAT0, 0xFFF0FFF0, 0x011A011A);
pad_config(CONTROL_PADCONF_MMC3_DAT2, 0xFFFFFFF0, 0x0000011A);
pad_config(CONTROL_PADCONF_MMC3_DAT3, 0xFFF0FFFF, 0x011A0000);
#define CONTROL_PADCONF_MMC2_DAT4 0x48002164 /* set AE4 to mmc2_dat4 set AH3 to mmc2_dat5 */
pad_config(CONTROL_PADCONF_MMC2_DAT4, 0xFFF0FFF0, 0x00180018);
#define CONTROL_PADCONF_MMC2_DAT6 0x48002168 /* set AF3 to mmc2_dat6 set AE3 to mmc2_dat7 */
pad_config(CONTROL_PADCONF_MMC2_DAT6, 0xFFF0FFF0, 0x00180018);
#if 0 /* needed for first time new host ramp*/
dump_omap_registers();
#endif
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;
}
if ((rc = request_irq(drv->irq, handle_add, IRQF_TRIGGER_FALLING, drv->netdev->name, drv)))
{
print_err("TIWLAN: Failed to register interrupt handler\n");
return rc;
}
return rc;
} /* hPlatform_initInterrupt() */
/*--------------------------------------------------------------------------------------*/
void hPlatform_freeInterrupt(void *tnet_drv)
{
TWlanDrvIfObj *drv = tnet_drv;
free_irq(drv->irq, drv);
}
/****************************************************************************************
* hPlatform_hwGetRegistersAddr()
****************************************************************************************
DESCRIPTION:
ARGUMENTS:
RETURN:
NOTES:
*****************************************************************************************/
void *hPlatform_hwGetRegistersAddr(TI_HANDLE OsContext)
{
return (void*)OS_API_REG_ADRR;
}
/****************************************************************************************
* hPlatform_hwGetMemoryAddr()
****************************************************************************************
DESCRIPTION:
ARGUMENTS:
RETURN:
NOTES:
*****************************************************************************************/
void *hPlatform_hwGetMemoryAddr(TI_HANDLE OsContext)
{
return (void*)OS_API_MEM_ADRR;
}
void hPlatform_Wlan_Hardware_DeInit(void)
{
}
#if 0/* needed for first time new host ramp*/
static void dump_omap_registers(void)
{
printk(KERN_ERR "AE10 which is 0x%x= 0x%x\n", CONTROL_PADCONF_MMC3_CMD, omap_readl( CONTROL_PADCONF_MMC3_CMD ));
printk(KERN_ERR "AC3 which is addr 0x480021D0=%x\n", omap_readl( 0x480021D0 ));
printk(KERN_ERR "DAT0 addr 0x%x value is =%x\n", CONTROL_PADCONF_MMC3_DAT0, omap_readl( CONTROL_PADCONF_MMC3_DAT0 ));
printk(KERN_ERR "DAT2 addr 0x%x value is =%x\n", CONTROL_PADCONF_MMC3_DAT2, omap_readl( CONTROL_PADCONF_MMC3_DAT2 ));
printk(KERN_ERR "DAT3 addr 0x%x value is =%x\n", CONTROL_PADCONF_MMC3_DAT3, omap_readl( CONTROL_PADCONF_MMC3_DAT3 ));
printk(KERN_ERR "DAT4 addr 0x%x value is =%x\n", CONTROL_PADCONF_MMC2_DAT4, omap_readl( CONTROL_PADCONF_MMC2_DAT4 ));
printk(KERN_ERR "DAT6 addr 0x%x value is =%x\n", CONTROL_PADCONF_MMC2_DAT6, omap_readl( CONTROL_PADCONF_MMC2_DAT6 ));
printk(KERN_ERR "CAM_D1 addr 0x%x value is =%x\n", CONTROL_PADCONF_CAM_D1, omap_readl( CONTROL_PADCONF_CAM_D1 ));
printk(KERN_ERR "MCBSP1_CLKX addr 0x%x value is =%x\n", CONTROL_PADCONF_MCBSP1_CLKX, omap_readl( CONTROL_PADCONF_MCBSP1_CLKX ));
printk(KERN_ERR "CMD addr 0x%x value is =%x\n", CONTROL_PADCONF_MMC3_CMD, omap_readl( CONTROL_PADCONF_MMC3_CMD ));
printk(KERN_ERR "MCBSP1_CLKX addr 0x%x value is =%x\n", CONTROL_PADCONF_MCBSP1_CLKX, omap_readl( CONTROL_PADCONF_MCBSP1_CLKX ));
printk(KERN_ERR "CLK MCBSP1_CLKX addr 0x%x value is =%x\n", CONTROL_PADCONF_MMC3_CLK, omap_readl( CONTROL_PADCONF_MMC3_CLK ));
printk(KERN_ERR "0x480021E0 value is =%x\n", omap_readl( 0x480021E0 ));
return;
}
#endif
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