/*
* Control BT/WIFI LDO always power on accoding to Realtek 8723as chip spec
*/
static int wifi_bt_ldo_enable(void)
{
int err;
struct regulator *regulator_wifi_bt = NULL;
printk("RTL871X(adapter): %s enter\n", __func__);
if (GPIO_WIFI_POWERON > 0) {
gpio_request(GPIO_WIFI_POWERON, "wifi_pwron");
gpio_direction_output(GPIO_WIFI_POWERON, 1);
}
regulator_wifi_bt = regulator_get(NULL, "vddcmmb1p2");
if (IS_ERR(regulator_wifi_bt)){
pr_err("Can't get regulator for vddcmmb1p2\n");
return -1;
}
err = regulator_set_voltage(regulator_wifi_bt, 1800000, 1800000);
if (err){
pr_err("RTL871X(adapter): Can't set regulator to voltage 1.8V\n");
return -1;
}
regulator_enable(regulator_wifi_bt);
#ifdef CONFIG_WLAN_SDIO
regulator_wifi_bt = regulator_get(NULL, "vddsd1");
if (IS_ERR(regulator_wifi_bt)){
pr_err("RTL871X(adapter): Can't get regulator for VDD_SDIO\n");
return -1;
}
err = regulator_set_voltage(regulator_wifi_bt, 1800000, 1800000);
if (err){
pr_err("RTL871X(adapter): Can't set regulator to valtage 1.8V\n");
return -1;
}
regulator_enable(regulator_wifi_bt);
if (GPIO_WIFI_RESET > 0) {
gpio_request(GPIO_WIFI_RESET , "wifi_rst");
gpio_direction_output(GPIO_WIFI_RESET , 1);
msleep(5);
sdhci_bus_scan();
printk("RTL871X(adapter): %s after bus scan\n", __func__);
}
#endif
printk("RTL871X(adapter): %s exit\n", __func__);
return 0;
}
int wlan_device_set_carddetect(int val)
{
pr_info("%s: %d\n", __func__, val);
#if 0
wlan_device_cd = val;
if (wifi_status_cb) {
wifi_status_cb(val, wifi_status_cb_devid);
} else
pr_warning("%s: Nobody to notify\n", __func__);
#endif
#ifdef CONFIG_WLAN_SDIO
sdhci_bus_scan();
#endif
return 0;
}
/*
* 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;
}
