--- /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>
+
+#ifdef CONFIG_MMC_SUNXI_POWER_CONTROL
+#ifdef CONFIG_WITS_EVB_V13
+ #define SDIOID 0
+#else /* !CONFIG_WITS_EVB_V13 */
+ #define SDIOID (CONFIG_CHIP_ID == 1123 ? 3 : 1)
+#endif /* !CONFIG_WITS_EVB_V13 */
+
+#define SUNXI_SDIO_WIFI_NUM_RTL8189ES 10
+extern void sunximmc_rescan_card(unsigned id, unsigned insert);
+extern int mmc_pm_get_mod_type(void);
+extern int mmc_pm_gpio_ctrl(char *name, int level);
+/*
+ * rtl8189es_shdn = port:PH09<1><default><default><0>
+ * rtl8189es_wakeup = port:PH10<1><default><default><1>
+ * rtl8189es_vdd_en = port:PH11<1><default><default><0>
+ * rtl8189es_vcc_en = port:PH12<1><default><default><0>
+ */
+
+int rtl8189es_sdio_powerup(void)
+{
+ mmc_pm_gpio_ctrl("rtl8189es_vdd_en", 1);
+ udelay(100);
+ mmc_pm_gpio_ctrl("rtl8189es_vcc_en", 1);
+ udelay(50);
+ mmc_pm_gpio_ctrl("rtl8189es_shdn", 1);
+ return 0;
+}
+
+int rtl8189es_sdio_poweroff(void)
+{
+ mmc_pm_gpio_ctrl("rtl8189es_shdn", 0);
+ mmc_pm_gpio_ctrl("rtl8189es_vcc_en", 0);
+ mmc_pm_gpio_ctrl("rtl8189es_vdd_en", 0);
+ return 0;
+}
+#endif /* CONFIG_MMC_SUNXI_POWER_CONTROL */
+
+/*
+ * Return:
+ * 0: power on successfully
+ * others: power on failed
+ */
+int platform_wifi_power_on(void)
+{
+ int ret = 0;
+#ifdef CONFIG_MMC_SUNXI_POWER_CONTROL
+ unsigned int mod_sel = mmc_pm_get_mod_type();
+#endif /* CONFIG_MMC_SUNXI_POWER_CONTROL */
+
+
+#ifdef CONFIG_MMC_SUNXI_POWER_CONTROL
+ if (mod_sel == SUNXI_SDIO_WIFI_NUM_RTL8189ES) {
+ rtl8189es_sdio_powerup();
+ sunximmc_rescan_card(SDIOID, 1);
+ printk("[rtl8189es] %s: power up, rescan card.\n", __FUNCTION__);
+ } else {
+ ret = -1;
+ printk("[rtl8189es] %s: mod_sel = %d is incorrect.\n", __FUNCTION__, mod_sel);
+ }
+#endif /* CONFIG_MMC_SUNXI_POWER_CONTROL */
+
+ return ret;
+}
+
+void platform_wifi_power_off(void)
+{
+#ifdef CONFIG_MMC_SUNXI_POWER_CONTROL
+ sunximmc_rescan_card(SDIOID, 0);
+#ifdef CONFIG_RTL8188E
+ rtl8189es_sdio_poweroff();
+ printk("[rtl8189es] %s: remove card, power off.\n", __FUNCTION__);
+#endif /* CONFIG_RTL8188E */
+#endif /* CONFIG_MMC_SUNXI_POWER_CONTROL */
+}