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mirror of https://github.com/morrownr/8821cu-20210916.git synced 2024-12-22 06:15:50 +00:00
8821cu-20210916/platform/platform_sprd_sdio.c
2022-11-17 08:26:57 -06:00

85 lines
2.0 KiB
C

/******************************************************************************
*
* 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>
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
rtw_mdelay_os(5);
sdhci_bus_scan();
#ifdef CONFIG_RTL8723B
/* YJ,test,130305 */
rtw_mdelay_os(1000);
#endif
#ifdef ANDROID_2X
rtw_mdelay_os(200);
#else /* !ANDROID_2X */
if (1) {
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);
rtw_mdelay_os(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 */
}