/****************************************************************************** * * 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 extern void sdhci_bus_scan(void); #ifndef ANDROID_2X extern int sdhci_device_attached(void); #endif /* * Return: * 0: power on successfully * others: power on failed */ int platform_wifi_power_on(void) { int ret = 0; #ifdef CONFIG_RTL8188E rtw_wifi_gpio_wlan_ctrl(WLAN_POWER_ON); #endif /* CONFIG_RTL8188E */ /* Pull up pwd pin, make wifi leave power down mode. */ rtw_wifi_gpio_init(); rtw_wifi_gpio_wlan_ctrl(WLAN_PWDN_ON); #if (MP_DRIVER == 1) && (defined(CONFIG_RTL8723A) || defined(CONFIG_RTL8723B)) /* Pull up BT reset pin. */ rtw_wifi_gpio_wlan_ctrl(WLAN_BT_PWDN_ON); #endif mdelay(5); sdhci_bus_scan(); #ifdef CONFIG_RTL8723B /* YJ,test,130305 */ mdelay(1000); #endif #ifdef ANDROID_2X mdelay(200); #else /* !ANDROID_2X */ int i = 0; for (i = 0; i <= 50; i++) { msleep(10); if (sdhci_device_attached()) break; printk("%s delay times:%d\n", __func__, i); } #endif /* !ANDROID_2X */ return ret; } void platform_wifi_power_off(void) { /* Pull down pwd pin, make wifi enter power down mode. */ rtw_wifi_gpio_wlan_ctrl(WLAN_PWDN_OFF); mdelay(5); rtw_wifi_gpio_deinit(); #ifdef CONFIG_RTL8188E rtw_wifi_gpio_wlan_ctrl(WLAN_POWER_OFF); #endif /* CONFIG_RTL8188E */ #ifdef CONFIG_WOWLAN if (mmc_host) mmc_host->pm_flags &= ~MMC_PM_KEEP_POWER; #endif /* CONFIG_WOWLAN */ }