/*
* 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;
}
static int __init wlan_bt_late_init(void)
{
int i = 0;
printk("RTL871X(adapter): %s enter\n", __func__);
/* sdhci_device_attach in wifi driver will fail
* because mmc->card is NULL in first wifi on
* after reboot, this will cause suspend/resume
* fail, so we add bus_scan here before first
* wifi on, but we should push down rst in late_init
* because bus_scan is in queue work */
if (GPIO_WIFI_RESET > 0) {
for (i = 0; i <= 100; i++) {
msleep(10);
if (sdhci_device_attached())
break;
}
printk("RTL871X(adapter): %s after delay %d times (10ms)\n", __func__, i);
gpio_direction_output(GPIO_WIFI_RESET , 0);
}
return 0;
}
