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8821cu-20210916/platform/platform_ARM_SUN50IW1P1_sdio.c

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2022-11-17 14:26:57 +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.
*
*****************************************************************************/
/*
* Description:
* This file can be applied to following platforms:
* CONFIG_PLATFORM_ARM_SUN50IW1P1
*/
#include <drv_types.h>
#ifdef CONFIG_GPIO_WAKEUP
#include <linux/gpio.h>
#endif
#ifdef CONFIG_MMC
#if defined(CONFIG_PLATFORM_ARM_SUN50IW1P1)
extern void sunxi_mmc_rescan_card(unsigned ids);
extern void sunxi_wlan_set_power(int on);
extern int sunxi_wlan_get_bus_index(void);
extern int sunxi_wlan_get_oob_irq(void);
extern int sunxi_wlan_get_oob_irq_flags(void);
#endif
#ifdef CONFIG_GPIO_WAKEUP
extern unsigned int oob_irq;
#endif
#endif /* CONFIG_MMC */
/*
* Return:
* 0: power on successfully
* others: power on failed
*/
int platform_wifi_power_on(void)
{
int ret = 0;
#ifdef CONFIG_MMC
{
#if defined(CONFIG_PLATFORM_ARM_SUN50IW1P1)
int wlan_bus_index = sunxi_wlan_get_bus_index();
if (wlan_bus_index < 0)
return wlan_bus_index;
sunxi_wlan_set_power(1);
mdelay(100);
sunxi_mmc_rescan_card(wlan_bus_index);
#endif
RTW_INFO("%s: power up, rescan card.\n", __FUNCTION__);
#ifdef CONFIG_GPIO_WAKEUP
#if defined(CONFIG_PLATFORM_ARM_SUN50IW1P1)
oob_irq = sunxi_wlan_get_oob_irq();
#endif
#endif /* CONFIG_GPIO_WAKEUP */
}
#endif /* CONFIG_MMC */
return ret;
}
void platform_wifi_power_off(void)
{
#ifdef CONFIG_MMC
#if defined(CONFIG_PLATFORM_ARM_SUN50IW1P1)
int wlan_bus_index = sunxi_wlan_get_bus_index();
if (wlan_bus_index < 0)
return;
sunxi_mmc_rescan_card(wlan_bus_index);
mdelay(100);
sunxi_wlan_set_power(0);
#endif
RTW_INFO("%s: remove card, power off.\n", __FUNCTION__);
#endif /* CONFIG_MMC */
}