mirror of
https://github.com/morrownr/8821cu-20210916.git
synced 2024-11-22 21:44:59 +00:00
47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
|
/******************************************************************************
|
||
|
|
*
|
||
|
|
* Copyright(c) 2013 - 2017 Realtek Corporation.
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify it
|
||
|
|
* under the terms of version 2 of the GNU General Public License as
|
||
|
|
* published by the Free Software Foundation.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful, but WITHOUT
|
||
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||
|
|
* more details.
|
||
|
|
*
|
||
|
|
*****************************************************************************/
|
||
|
|
#include <drv_types.h>
|
||
|
|
#include <mach/wmt_iomux.h>
|
||
|
|
#include <linux/gpio.h>
|
||
|
|
|
||
|
|
extern void wmt_detect_sdio2(void);
|
||
|
|
extern void force_remove_sdio2(void);
|
||
|
|
|
||
|
|
int platform_wifi_power_on(void)
|
||
|
|
{
|
||
|
|
int err = 0;
|
||
|
|
err = gpio_request(WMT_PIN_GP62_SUSGPIO1, "wifi_chip_en");
|
||
|
|
if (err < 0) {
|
||
|
|
printk("request gpio for rtl8188eu failed!\n");
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
gpio_direction_output(WMT_PIN_GP62_SUSGPIO1, 0);/* pull sus_gpio1 to 0 to open vcc_wifi. */
|
||
|
|
printk("power on rtl8189.\n");
|
||
|
|
msleep(500);
|
||
|
|
wmt_detect_sdio2();
|
||
|
|
printk("[rtl8189es] %s: new card, power on.\n", __FUNCTION__);
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
void platform_wifi_power_off(void)
|
||
|
|
{
|
||
|
|
force_remove_sdio2();
|
||
|
|
|
||
|
|
gpio_direction_output(WMT_PIN_GP62_SUSGPIO1, 1);/* pull sus_gpio1 to 1 to close vcc_wifi. */
|
||
|
|
printk("power off rtl8189.\n");
|
||
|
|
gpio_free(WMT_PIN_GP62_SUSGPIO1);
|
||
|
|
printk("[rtl8189es] %s: remove card, power off.\n", __FUNCTION__);
|
||
|
|
}
|