1 /******************************************************************************
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3 * Copyright(c) 2013 Realtek Corporation. All rights reserved.
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5 * This program is free software; you can redistribute it and/or modify it
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6 * under the terms of version 2 of the GNU General Public License as
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7 * published by the Free Software Foundation.
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9 * This program is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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14 * You should have received a copy of the GNU General Public License along with
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15 * this program; if not, write to the Free Software Foundation, Inc.,
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16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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19 ******************************************************************************/
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20 #include <drv_types.h>
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21 #include <mach/wmt_iomux.h>
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22 #include <linux/gpio.h>
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24 extern void wmt_detect_sdio2(void);
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25 extern void force_remove_sdio2(void);
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27 int platform_wifi_power_on(void)
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30 err = gpio_request(WMT_PIN_GP62_SUSGPIO1, "wifi_chip_en");
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32 printk("request gpio for rtl8188eu failed!\n");
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35 gpio_direction_output(WMT_PIN_GP62_SUSGPIO1, 0);//pull sus_gpio1 to 0 to open vcc_wifi.
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36 printk("power on rtl8189.\n");
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39 printk("[rtl8189es] %s: new card, power on.\n", __FUNCTION__);
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43 void platform_wifi_power_off(void)
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45 force_remove_sdio2();
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47 gpio_direction_output(WMT_PIN_GP62_SUSGPIO1, 1);//pull sus_gpio1 to 1 to close vcc_wifi.
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48 printk("power off rtl8189.\n");
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49 gpio_free(WMT_PIN_GP62_SUSGPIO1);
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50 printk("[rtl8189es] %s: remove card, power off.\n", __FUNCTION__);
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