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8821cu-20210916/os_dep/linux/custom_gpio_linux.c

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2022-11-17 14:26:57 +00:00
/******************************************************************************
*
* Copyright(c) 2007 - 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"
#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);
RTW_INFO("%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_RTL8723B)) && (MP_DRIVER == 1)
if (rtw_mp_mode == 1) {
RTW_INFO("%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_RTL8723B)) && (MP_DRIVER == 1)
if (rtw_mp_mode == 1) {
RTW_INFO("%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:
RTW_INFO("%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:
RTW_INFO("%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_RTL8723B)) && (MP_DRIVER == 1)
case WLAN_BT_PWDN_OFF:
if (rtw_mp_mode == 1) {
RTW_INFO("%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) {
RTW_INFO("%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_RTL8723B)
extern int sprd_3rdparty_gpio_bt_reset;
#endif
int rtw_wifi_gpio_init(void)
{
#if 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:
RTW_INFO("%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) {
RTW_INFO("%s: turn off VSIM2 2.8V\n", __func__);
LDO_TurnOffLDO(LDO_LDO_SIM2);
}
break;
case WLAN_PWDN_ON:
RTW_INFO("%s: callc customer specific GPIO to set wifi power down pin to 1\n",
__FUNCTION__);
if (sprd_3rdparty_gpio_wifi_pwd == 60) {
RTW_INFO("%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
RTW_INFO("%s: turn off VDD-WIFI0 1.2V\n", __FUNCTION__);
LDO_TurnOffLDO(LDO_LDO_WIF1);
#endif /* CONFIG_WIF1_LDO */
RTW_INFO("%s: turn off VDD-WIFI0 3.3V\n", __FUNCTION__);
LDO_TurnOffLDO(LDO_LDO_WIF0);
RTW_INFO("%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
RTW_INFO("%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);
RTW_INFO("%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
RTW_INFO("%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:
RTW_INFO("%s: call customer specific GPIO to set bt power down pin to 0\n",
__FUNCTION__);
#if 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:
RTW_INFO("%s: callc customer specific GPIO to set bt power down pin to 1\n",
__FUNCTION__);
#if defined(CONFIG_RTL8723B)
if (sprd_3rdparty_gpio_bt_reset > 0)
gpio_set_value(sprd_3rdparty_gpio_bt_reset, 1);
#endif
break;
}
}
#endif /* ANDROID_2X */
#elif defined(CONFIG_PLATFORM_ARM_RK3066)
#include <mach/iomux.h>
#define GPIO_WIFI_IRQ RK30_PIN2_PC2
extern unsigned int oob_irq;
int rtw_wifi_gpio_init(void)
{
#ifdef CONFIG_GSPI_HCI
if (GPIO_WIFI_IRQ > 0) {
rk30_mux_api_set(GPIO2C2_LCDC1DATA18_SMCBLSN1_HSADCDATA5_NAME, GPIO2C_GPIO2C2);/* jacky_test */
gpio_request(GPIO_WIFI_IRQ, "oob_irq");
gpio_direction_input(GPIO_WIFI_IRQ);
oob_irq = gpio_to_irq(GPIO_WIFI_IRQ);
RTW_INFO("%s oob_irq:%d\n", __func__, oob_irq);
}
#endif
return 0;
}
int rtw_wifi_gpio_deinit(void)
{
#ifdef CONFIG_GSPI_HCI
if (GPIO_WIFI_IRQ > 0)
gpio_free(GPIO_WIFI_IRQ);
#endif
return 0;
}
void rtw_wifi_gpio_wlan_ctrl(int onoff)
{
}
#ifdef CONFIG_GPIO_API
/* this is a demo for extending GPIO pin[7] as interrupt mode */
struct net_device *rtl_net;
extern int rtw_register_gpio_interrupt(struct net_device *netdev, int gpio_num, void(*callback)(u8 level));
extern int rtw_disable_gpio_interrupt(struct net_device *netdev, int gpio_num);
void gpio_int(u8 is_high)
{
RTW_INFO("%s level=%d\n", __func__, is_high);
}
int register_net_gpio_init(void)
{
rtl_net = dev_get_by_name(&init_net, "wlan0");
if (!rtl_net) {
RTW_PRINT("rtl_net init fail!\n");
return -1;
}
return rtw_register_gpio_interrupt(rtl_net, 7, gpio_int);
}
int unregister_net_gpio_init(void)
{
rtl_net = dev_get_by_name(&init_net, "wlan0");
if (!rtl_net) {
RTW_PRINT("rtl_net init fail!\n");
return -1;
}
return rtw_disable_gpio_interrupt(rtl_net, 7);
}
#endif
#else
int rtw_wifi_gpio_init(void)
{
return 0;
}
void rtw_wifi_gpio_wlan_ctrl(int onoff)
{
}
#endif /* CONFIG_PLATFORM_SPRD */