--- /dev/null
+/******************************************************************************
+ *
+ * Copyright(c) 2013 Realtek Corporation. All rights reserved.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ *
+ ******************************************************************************/
+#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__);
+}