165 lines
4.4 KiB
C
165 lines
4.4 KiB
C
/****************************************************************************
|
|
* boards/arm/stm32/emw3162/src/stm32_wlan.c
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <debug.h>
|
|
|
|
#include <nuttx/wireless/ieee80211/bcmf_sdio.h>
|
|
#include <nuttx/wireless/ieee80211/bcmf_board.h>
|
|
|
|
#include <arch/board/board.h>
|
|
|
|
#include "stm32_gpio.h"
|
|
#include "stm32_sdio.h"
|
|
|
|
#include "emw3162.h"
|
|
|
|
/****************************************************************************
|
|
* Private Data
|
|
****************************************************************************/
|
|
|
|
static struct sdio_dev_s *g_sdio_dev;
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: bcmf_board_reset
|
|
****************************************************************************/
|
|
|
|
void bcmf_board_reset(int minor, bool reset)
|
|
{
|
|
if (minor != SDIO_WLAN0_MINOR)
|
|
{
|
|
return;
|
|
}
|
|
|
|
stm32_gpiowrite(GPIO_WLAN0_RESET, !reset);
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: bcmf_board_power
|
|
****************************************************************************/
|
|
|
|
void bcmf_board_power(int minor, bool power)
|
|
{
|
|
if (minor != SDIO_WLAN0_MINOR)
|
|
{
|
|
return;
|
|
}
|
|
|
|
stm32_gpiowrite(GPIO_WLAN0_PWRDN, !power);
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: bcmf_board_initialize
|
|
****************************************************************************/
|
|
|
|
void bcmf_board_initialize(int minor)
|
|
{
|
|
if (minor != SDIO_WLAN0_MINOR)
|
|
{
|
|
return;
|
|
}
|
|
|
|
/* Configure MCO1 output to drive EXT_SLEEP_CLK input pin of BCM43362 */
|
|
|
|
stm32_configgpio(GPIO_MCO1);
|
|
stm32_mco1config(RCC_CFGR_MCO1_LSE, RCC_CFGR_MCO1PRE_NONE);
|
|
|
|
/* Configure PowerDown pin */
|
|
|
|
stm32_configgpio(GPIO_WLAN0_PWRDN);
|
|
|
|
/* Shutdown wlan chip */
|
|
|
|
bcmf_board_power(minor, false);
|
|
|
|
/* Configure reset pin */
|
|
|
|
stm32_configgpio(GPIO_WLAN0_RESET);
|
|
|
|
/* Put wlan chip in reset state */
|
|
|
|
bcmf_board_reset(minor, true);
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: bcmf_board_setup_oob_irq
|
|
****************************************************************************/
|
|
|
|
void bcmf_board_setup_oob_irq(int minor, int (*func)(void *), void *arg)
|
|
{
|
|
if (minor != SDIO_WLAN0_MINOR)
|
|
{
|
|
return;
|
|
}
|
|
|
|
/* Configure SDIO card in-band interrupt callback */
|
|
|
|
if (g_sdio_dev != NULL)
|
|
{
|
|
sdio_set_sdio_card_isr(g_sdio_dev, func, arg);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: emw3162_wlan_initialize
|
|
****************************************************************************/
|
|
|
|
int emw3162_wlan_initialize()
|
|
{
|
|
int ret;
|
|
|
|
/* Initialize sdio interface */
|
|
|
|
wlinfo("Initializing SDIO slot %d\n", SDIO_WLAN0_SLOTNO);
|
|
|
|
g_sdio_dev = sdio_initialize(SDIO_WLAN0_SLOTNO);
|
|
|
|
if (!g_sdio_dev)
|
|
{
|
|
wlerr("ERROR: Failed to initialize SDIO with slot %d\n",
|
|
SDIO_WLAN0_SLOTNO);
|
|
return ERROR;
|
|
}
|
|
|
|
/* Bind the SDIO interface to the bcmf driver */
|
|
|
|
ret = bcmf_sdio_initialize(SDIO_WLAN0_MINOR, g_sdio_dev);
|
|
|
|
if (ret != OK)
|
|
{
|
|
wlerr("ERROR: Failed to bind SDIO to bcmf driver\n");
|
|
|
|
/* FIXME deinitialize sdio device */
|
|
|
|
return ERROR;
|
|
}
|
|
|
|
return OK;
|
|
}
|