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rtl8812au/platform/platform_ARM_SUNxI_sdio.c

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2018-06-22 16:48:32 +00:00
/******************************************************************************
*
* 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 <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 */
}