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nu11secur1ty
GitHub Repository: nu11secur1ty/Kali-Linux
 Path: blob/master/ALFA-W1F1/RTL8814AU/platform/platform_ARM_SUNxI_sdio.c
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/******************************************************************************

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 *

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 * Copyright(c) 2013 - 2017 Realtek Corporation.

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 *

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 * This program is free software; you can redistribute it and/or modify it

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 * under the terms of version 2 of the GNU General Public License as

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 * published by the Free Software Foundation.

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 *

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 * This program is distributed in the hope that it will be useful, but WITHOUT

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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

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 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for

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 * more details.

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 *

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 *****************************************************************************/

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#include <drv_types.h>

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#ifdef CONFIG_MMC_SUNXI_POWER_CONTROL

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#ifdef CONFIG_WITS_EVB_V13

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	#define SDIOID	0

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#else /* !CONFIG_WITS_EVB_V13 */

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	#define SDIOID (CONFIG_CHIP_ID == 1123 ? 3 : 1)

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#endif /* !CONFIG_WITS_EVB_V13 */

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#define SUNXI_SDIO_WIFI_NUM_RTL8189ES  10

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extern void sunximmc_rescan_card(unsigned id, unsigned insert);

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extern int mmc_pm_get_mod_type(void);

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extern int mmc_pm_gpio_ctrl(char *name, int level);

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/*

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 *	rtl8189es_shdn	= port:PH09<1><default><default><0>

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 *	rtl8189es_wakeup	= port:PH10<1><default><default><1>

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 *	rtl8189es_vdd_en  = port:PH11<1><default><default><0>

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 *	rtl8189es_vcc_en  = port:PH12<1><default><default><0>

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 */

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int rtl8189es_sdio_powerup(void)

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{

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	mmc_pm_gpio_ctrl("rtl8189es_vdd_en", 1);

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	udelay(100);

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	mmc_pm_gpio_ctrl("rtl8189es_vcc_en", 1);

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	udelay(50);

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	mmc_pm_gpio_ctrl("rtl8189es_shdn", 1);

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	return 0;

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}

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int rtl8189es_sdio_poweroff(void)

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{

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	mmc_pm_gpio_ctrl("rtl8189es_shdn", 0);

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	mmc_pm_gpio_ctrl("rtl8189es_vcc_en", 0);

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	mmc_pm_gpio_ctrl("rtl8189es_vdd_en", 0);

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	return 0;

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}

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#endif /* CONFIG_MMC_SUNXI_POWER_CONTROL */

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/*

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 * Return:

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 *	0:	power on successfully

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 *	others:	power on failed

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 */

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int platform_wifi_power_on(void)

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{

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	int ret = 0;

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#ifdef CONFIG_MMC_SUNXI_POWER_CONTROL

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	unsigned int mod_sel = mmc_pm_get_mod_type();

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#endif /* CONFIG_MMC_SUNXI_POWER_CONTROL */

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#ifdef CONFIG_MMC_SUNXI_POWER_CONTROL

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	if (mod_sel == SUNXI_SDIO_WIFI_NUM_RTL8189ES) {

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		rtl8189es_sdio_powerup();

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		sunximmc_rescan_card(SDIOID, 1);

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		printk("[rtl8189es] %s: power up, rescan card.\n", __FUNCTION__);

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	} else {

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		ret = -1;

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		printk("[rtl8189es] %s: mod_sel = %d is incorrect.\n", __FUNCTION__, mod_sel);

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	}

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#endif /* CONFIG_MMC_SUNXI_POWER_CONTROL */

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	return ret;

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}

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void platform_wifi_power_off(void)

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{

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#ifdef CONFIG_MMC_SUNXI_POWER_CONTROL

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	sunximmc_rescan_card(SDIOID, 0);

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#ifdef CONFIG_RTL8188E

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	rtl8189es_sdio_poweroff();

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	printk("[rtl8189es] %s: remove card, power off.\n", __FUNCTION__);

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#endif /* CONFIG_RTL8188E */

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#endif /* CONFIG_MMC_SUNXI_POWER_CONTROL */

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}

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