gnab-rtl8812au/os_dep/linux/custom_gpio_linux.c
2013-11-19 21:24:49 +01:00

291 lines
7.3 KiB
C

/******************************************************************************
* Customer code to add GPIO control during WLAN start/stop
*
* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
*
* 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.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
*
******************************************************************************/
#include "drv_types.h"
#ifdef CONFIG_PLATFORM_SPRD
//gspi func & GPIO define
#include <mach/gpio.h>//0915
#include <mach/board.h>
#if !(defined ANDROID_2X)
#ifdef CONFIG_RTL8188E
#include <mach/regulator.h>
#include <linux/regulator/consumer.h>
#endif // CONFIG_RTL8188E
#ifndef GPIO_WIFI_POWER
#define GPIO_WIFI_POWER -1
#endif // !GPIO_WIFI_POWER
#ifndef GPIO_WIFI_RESET
#define GPIO_WIFI_RESET -1
#endif // !GPIO_WIFI_RESET
#ifndef GPIO_WIFI_PWDN
#define GPIO_WIFI_PWDN -1
#endif // !GPIO_WIFI_RESET
#ifdef CONFIG_GSPI_HCI
extern unsigned int oob_irq;
#endif // CONFIG_GSPI_HCI
#ifdef CONFIG_SDIO_HCI
extern int rtw_mp_mode;
#else // !CONFIG_SDIO_HCI
#endif // !CONFIG_SDIO_HCI
int rtw_wifi_gpio_init(void)
{
#ifdef CONFIG_GSPI_HCI
if (GPIO_WIFI_IRQ > 0) {
gpio_request(GPIO_WIFI_IRQ, "oob_irq");
gpio_direction_input(GPIO_WIFI_IRQ);
oob_irq = gpio_to_irq(GPIO_WIFI_IRQ);
DBG_8192C("%s oob_irq:%d\n", __func__, oob_irq);
}
#endif
if (GPIO_WIFI_RESET > 0)
gpio_request(GPIO_WIFI_RESET , "wifi_rst");
if (GPIO_WIFI_POWER > 0)
gpio_request(GPIO_WIFI_POWER, "wifi_power");
#ifdef CONFIG_SDIO_HCI
#if (defined(CONFIG_RTL8723A) || defined(CONFIG_RTL8723B)) && (MP_DRIVER == 1)
if(rtw_mp_mode==1){
DBG_871X("%s GPIO_BT_RESET pin special for mp_test\n", __func__);
if (GPIO_BT_RESET > 0)
gpio_request(GPIO_BT_RESET , "bt_rst");
}
#endif
#endif
return 0;
}
int rtw_wifi_gpio_deinit(void)
{
#ifdef CONFIG_GSPI_HCI
if (GPIO_WIFI_IRQ > 0)
gpio_free(GPIO_WIFI_IRQ);
#endif
if (GPIO_WIFI_RESET > 0)
gpio_free(GPIO_WIFI_RESET );
if (GPIO_WIFI_POWER > 0)
gpio_free(GPIO_WIFI_POWER);
#ifdef CONFIG_SDIO_HCI
#if (defined(CONFIG_RTL8723A) || defined(CONFIG_RTL8723B)) && (MP_DRIVER == 1)
if(rtw_mp_mode==1){
DBG_871X("%s GPIO_BT_RESET pin special for mp_test\n", __func__);
if (GPIO_BT_RESET > 0)
gpio_free(GPIO_BT_RESET);
}
#endif
#endif
return 0;
}
/* Customer function to control hw specific wlan gpios */
void rtw_wifi_gpio_wlan_ctrl(int onoff)
{
switch (onoff)
{
case WLAN_PWDN_OFF:
DBG_8192C("%s: call customer specific GPIO(%d) to set wifi power down pin to 0\n",
__FUNCTION__, GPIO_WIFI_RESET);
#ifndef CONFIG_DONT_BUS_SCAN
if (GPIO_WIFI_RESET > 0)
gpio_direction_output(GPIO_WIFI_RESET , 0);
#endif
break;
case WLAN_PWDN_ON:
DBG_8192C("%s: callc customer specific GPIO(%d) to set wifi power down pin to 1\n",
__FUNCTION__, GPIO_WIFI_RESET);
if (GPIO_WIFI_RESET > 0)
gpio_direction_output(GPIO_WIFI_RESET , 1);
break;
case WLAN_POWER_OFF:
break;
case WLAN_POWER_ON:
break;
#ifdef CONFIG_SDIO_HCI
#if (defined(CONFIG_RTL8723A) || defined(CONFIG_RTL8723B)) && (MP_DRIVER == 1)
case WLAN_BT_PWDN_OFF:
if(rtw_mp_mode==1)
{
DBG_871X("%s: call customer specific GPIO to set wifi power down pin to 0\n",
__FUNCTION__);
if (GPIO_BT_RESET > 0)
gpio_direction_output(GPIO_BT_RESET , 0);
}
break;
case WLAN_BT_PWDN_ON:
if(rtw_mp_mode==1)
{
DBG_871X("%s: callc customer specific GPIO to set wifi power down pin to 1 %x\n",
__FUNCTION__, GPIO_BT_RESET);
if (GPIO_BT_RESET > 0)
gpio_direction_output(GPIO_BT_RESET , 1);
}
break;
#endif
#endif
}
}
#else //ANDROID_2X
#include <mach/ldo.h>
#ifdef CONFIG_RTL8188E
extern int sprd_3rdparty_gpio_wifi_power;
#endif
extern int sprd_3rdparty_gpio_wifi_pwd;
#if (defined(CONFIG_RTL8723A) || defined(CONFIG_RTL8723B))
extern int sprd_3rdparty_gpio_bt_reset;
#endif
int rtw_wifi_gpio_init(void)
{
#if (defined(CONFIG_RTL8723A) || defined(CONFIG_RTL8723B))
if (sprd_3rdparty_gpio_bt_reset > 0)
gpio_direction_output(sprd_3rdparty_gpio_bt_reset, 1);
#endif
return 0;
}
int rtw_wifi_gpio_deinit(void)
{
return 0;
}
/* Customer function to control hw specific wlan gpios */
void rtw_wifi_gpio_wlan_ctrl(int onoff)
{
switch (onoff)
{
case WLAN_PWDN_OFF:
DBG_8192C("%s: call customer specific GPIO to set wifi power down pin to 0\n",
__FUNCTION__);
if (sprd_3rdparty_gpio_wifi_pwd > 0)
{
gpio_set_value(sprd_3rdparty_gpio_wifi_pwd, 0);
}
if (sprd_3rdparty_gpio_wifi_pwd == 60) {
DBG_8192C("%s: turn off VSIM2 2.8V\n", __func__);
LDO_TurnOffLDO(LDO_LDO_SIM2);
}
break;
case WLAN_PWDN_ON:
DBG_8192C("%s: callc customer specific GPIO to set wifi power down pin to 1\n",
__FUNCTION__);
if (sprd_3rdparty_gpio_wifi_pwd == 60) {
DBG_8192C("%s: turn on VSIM2 2.8V\n", __func__);
LDO_SetVoltLevel(LDO_LDO_SIM2, LDO_VOLT_LEVEL0);
LDO_TurnOnLDO(LDO_LDO_SIM2);
}
if (sprd_3rdparty_gpio_wifi_pwd > 0)
{
gpio_set_value(sprd_3rdparty_gpio_wifi_pwd, 1);
}
break;
case WLAN_POWER_OFF:
#ifdef CONFIG_RTL8188E
#ifdef CONFIG_WIF1_LDO
DBG_8192C("%s: turn off VDD-WIFI0 1.2V\n", __FUNCTION__);
LDO_TurnOffLDO(LDO_LDO_WIF1);
#endif //CONFIG_WIF1_LDO
DBG_8192C("%s: turn off VDD-WIFI0 3.3V\n", __FUNCTION__);
LDO_TurnOffLDO(LDO_LDO_WIF0);
DBG_8192C("%s: call customer specific GPIO(%d) to turn off wifi power\n",
__FUNCTION__, sprd_3rdparty_gpio_wifi_power);
if (sprd_3rdparty_gpio_wifi_power != 65535)
gpio_set_value(sprd_3rdparty_gpio_wifi_power, 0);
#endif
break;
case WLAN_POWER_ON:
#ifdef CONFIG_RTL8188E
DBG_8192C("%s: call customer specific GPIO(%d) to turn on wifi power\n",
__FUNCTION__, sprd_3rdparty_gpio_wifi_power);
if (sprd_3rdparty_gpio_wifi_power != 65535)
gpio_set_value(sprd_3rdparty_gpio_wifi_power, 1);
DBG_8192C("%s: turn on VDD-WIFI0 3.3V\n", __FUNCTION__);
LDO_TurnOnLDO(LDO_LDO_WIF0);
LDO_SetVoltLevel(LDO_LDO_WIF0,LDO_VOLT_LEVEL1);
#ifdef CONFIG_WIF1_LDO
DBG_8192C("%s: turn on VDD-WIFI1 1.2V\n", __func__);
LDO_TurnOnLDO(LDO_LDO_WIF1);
LDO_SetVoltLevel(LDO_LDO_WIF1,LDO_VOLT_LEVEL3);
#endif //CONFIG_WIF1_LDO
#endif
break;
case WLAN_BT_PWDN_OFF:
DBG_8192C("%s: call customer specific GPIO to set bt power down pin to 0\n",
__FUNCTION__);
#if (defined(CONFIG_RTL8723A) || defined(CONFIG_RTL8723B))
if (sprd_3rdparty_gpio_bt_reset > 0)
gpio_set_value(sprd_3rdparty_gpio_bt_reset, 0);
#endif
break;
case WLAN_BT_PWDN_ON:
DBG_8192C("%s: callc customer specific GPIO to set bt power down pin to 1\n",
__FUNCTION__);
#if (defined(CONFIG_RTL8723A) || defined(CONFIG_RTL8723B))
if (sprd_3rdparty_gpio_bt_reset > 0)
gpio_set_value(sprd_3rdparty_gpio_bt_reset, 1);
#endif
break;
}
}
#endif //ANDROID_2X
#else // !CONFIG_PLATFORM_SPRD
int rtw_wifi_gpio_init(void)
{
return 0;
}
void rtw_wifi_gpio_wlan_ctrl(int onoff)
{
}
#endif //CONFIG_PLATFORM_SPRD