/******************************************************************************
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* Customer code to add GPIO control during WLAN start/stop
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*
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* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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*
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*
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******************************************************************************/
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#include "drv_types.h"
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#ifdef CONFIG_PLATFORM_SPRD
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/* gspi func & GPIO define */
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#include <mach/gpio.h>/* 0915 */
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#include <mach/board.h>
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#if !(defined ANDROID_2X)
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#ifdef CONFIG_RTL8188E
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#include <mach/regulator.h>
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#include <linux/regulator/consumer.h>
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#endif /* CONFIG_RTL8188E */
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#ifndef GPIO_WIFI_POWER
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#define GPIO_WIFI_POWER -1
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#endif /* !GPIO_WIFI_POWER */
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#ifndef GPIO_WIFI_RESET
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#define GPIO_WIFI_RESET -1
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#endif /* !GPIO_WIFI_RESET */
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#ifndef GPIO_WIFI_PWDN
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#define GPIO_WIFI_PWDN -1
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#endif /* !GPIO_WIFI_RESET */
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#ifdef CONFIG_GSPI_HCI
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extern unsigned int oob_irq;
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#endif /* CONFIG_GSPI_HCI */
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#ifdef CONFIG_SDIO_HCI
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extern int rtw_mp_mode;
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#else /* !CONFIG_SDIO_HCI */
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#endif /* !CONFIG_SDIO_HCI */
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int rtw_wifi_gpio_init(void)
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{
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#ifdef CONFIG_GSPI_HCI
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if (GPIO_WIFI_IRQ > 0) {
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gpio_request(GPIO_WIFI_IRQ, "oob_irq");
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gpio_direction_input(GPIO_WIFI_IRQ);
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oob_irq = gpio_to_irq(GPIO_WIFI_IRQ);
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RTW_INFO("%s oob_irq:%d\n", __func__, oob_irq);
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}
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#endif
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if (GPIO_WIFI_RESET > 0)
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gpio_request(GPIO_WIFI_RESET , "wifi_rst");
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if (GPIO_WIFI_POWER > 0)
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gpio_request(GPIO_WIFI_POWER, "wifi_power");
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#ifdef CONFIG_SDIO_HCI
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#if (defined(CONFIG_RTL8723B)) && (MP_DRIVER == 1)
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if (rtw_mp_mode == 1) {
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RTW_INFO("%s GPIO_BT_RESET pin special for mp_test\n", __func__);
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if (GPIO_BT_RESET > 0)
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gpio_request(GPIO_BT_RESET , "bt_rst");
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}
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#endif
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#endif
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return 0;
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}
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int rtw_wifi_gpio_deinit(void)
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{
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#ifdef CONFIG_GSPI_HCI
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if (GPIO_WIFI_IRQ > 0)
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gpio_free(GPIO_WIFI_IRQ);
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#endif
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if (GPIO_WIFI_RESET > 0)
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gpio_free(GPIO_WIFI_RESET);
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if (GPIO_WIFI_POWER > 0)
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gpio_free(GPIO_WIFI_POWER);
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#ifdef CONFIG_SDIO_HCI
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#if (defined(CONFIG_RTL8723B)) && (MP_DRIVER == 1)
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if (rtw_mp_mode == 1) {
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RTW_INFO("%s GPIO_BT_RESET pin special for mp_test\n", __func__);
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if (GPIO_BT_RESET > 0)
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gpio_free(GPIO_BT_RESET);
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}
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#endif
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#endif
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return 0;
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}
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/* Customer function to control hw specific wlan gpios */
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void rtw_wifi_gpio_wlan_ctrl(int onoff)
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{
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switch (onoff) {
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case WLAN_PWDN_OFF:
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RTW_INFO("%s: call customer specific GPIO(%d) to set wifi power down pin to 0\n",
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__FUNCTION__, GPIO_WIFI_RESET);
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#ifndef CONFIG_DONT_BUS_SCAN
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if (GPIO_WIFI_RESET > 0)
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gpio_direction_output(GPIO_WIFI_RESET , 0);
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#endif
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break;
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case WLAN_PWDN_ON:
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RTW_INFO("%s: callc customer specific GPIO(%d) to set wifi power down pin to 1\n",
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__FUNCTION__, GPIO_WIFI_RESET);
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if (GPIO_WIFI_RESET > 0)
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gpio_direction_output(GPIO_WIFI_RESET , 1);
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break;
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case WLAN_POWER_OFF:
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break;
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case WLAN_POWER_ON:
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break;
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#ifdef CONFIG_SDIO_HCI
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#if (defined(CONFIG_RTL8723B)) && (MP_DRIVER == 1)
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case WLAN_BT_PWDN_OFF:
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if (rtw_mp_mode == 1) {
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RTW_INFO("%s: call customer specific GPIO to set wifi power down pin to 0\n",
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__FUNCTION__);
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if (GPIO_BT_RESET > 0)
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gpio_direction_output(GPIO_BT_RESET , 0);
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}
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break;
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case WLAN_BT_PWDN_ON:
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if (rtw_mp_mode == 1) {
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RTW_INFO("%s: callc customer specific GPIO to set wifi power down pin to 1 %x\n",
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__FUNCTION__, GPIO_BT_RESET);
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if (GPIO_BT_RESET > 0)
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gpio_direction_output(GPIO_BT_RESET , 1);
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}
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break;
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#endif
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#endif
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}
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}
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#else /* ANDROID_2X */
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#include <mach/ldo.h>
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#ifdef CONFIG_RTL8188E
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extern int sprd_3rdparty_gpio_wifi_power;
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#endif
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extern int sprd_3rdparty_gpio_wifi_pwd;
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#if defined(CONFIG_RTL8723B)
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extern int sprd_3rdparty_gpio_bt_reset;
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#endif
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int rtw_wifi_gpio_init(void)
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{
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#if defined(CONFIG_RTL8723B)
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if (sprd_3rdparty_gpio_bt_reset > 0)
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gpio_direction_output(sprd_3rdparty_gpio_bt_reset, 1);
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#endif
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return 0;
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}
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int rtw_wifi_gpio_deinit(void)
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{
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return 0;
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}
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/* Customer function to control hw specific wlan gpios */
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void rtw_wifi_gpio_wlan_ctrl(int onoff)
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{
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switch (onoff) {
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case WLAN_PWDN_OFF:
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RTW_INFO("%s: call customer specific GPIO to set wifi power down pin to 0\n",
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__FUNCTION__);
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if (sprd_3rdparty_gpio_wifi_pwd > 0)
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gpio_set_value(sprd_3rdparty_gpio_wifi_pwd, 0);
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if (sprd_3rdparty_gpio_wifi_pwd == 60) {
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RTW_INFO("%s: turn off VSIM2 2.8V\n", __func__);
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LDO_TurnOffLDO(LDO_LDO_SIM2);
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}
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break;
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case WLAN_PWDN_ON:
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RTW_INFO("%s: callc customer specific GPIO to set wifi power down pin to 1\n",
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__FUNCTION__);
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if (sprd_3rdparty_gpio_wifi_pwd == 60) {
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RTW_INFO("%s: turn on VSIM2 2.8V\n", __func__);
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LDO_SetVoltLevel(LDO_LDO_SIM2, LDO_VOLT_LEVEL0);
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LDO_TurnOnLDO(LDO_LDO_SIM2);
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}
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if (sprd_3rdparty_gpio_wifi_pwd > 0)
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gpio_set_value(sprd_3rdparty_gpio_wifi_pwd, 1);
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break;
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case WLAN_POWER_OFF:
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#ifdef CONFIG_RTL8188E
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#ifdef CONFIG_WIF1_LDO
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RTW_INFO("%s: turn off VDD-WIFI0 1.2V\n", __FUNCTION__);
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LDO_TurnOffLDO(LDO_LDO_WIF1);
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#endif /* CONFIG_WIF1_LDO */
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RTW_INFO("%s: turn off VDD-WIFI0 3.3V\n", __FUNCTION__);
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LDO_TurnOffLDO(LDO_LDO_WIF0);
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RTW_INFO("%s: call customer specific GPIO(%d) to turn off wifi power\n",
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__FUNCTION__, sprd_3rdparty_gpio_wifi_power);
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if (sprd_3rdparty_gpio_wifi_power != 65535)
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gpio_set_value(sprd_3rdparty_gpio_wifi_power, 0);
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#endif
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break;
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case WLAN_POWER_ON:
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#ifdef CONFIG_RTL8188E
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RTW_INFO("%s: call customer specific GPIO(%d) to turn on wifi power\n",
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__FUNCTION__, sprd_3rdparty_gpio_wifi_power);
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if (sprd_3rdparty_gpio_wifi_power != 65535)
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gpio_set_value(sprd_3rdparty_gpio_wifi_power, 1);
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RTW_INFO("%s: turn on VDD-WIFI0 3.3V\n", __FUNCTION__);
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LDO_TurnOnLDO(LDO_LDO_WIF0);
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LDO_SetVoltLevel(LDO_LDO_WIF0, LDO_VOLT_LEVEL1);
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#ifdef CONFIG_WIF1_LDO
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RTW_INFO("%s: turn on VDD-WIFI1 1.2V\n", __func__);
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LDO_TurnOnLDO(LDO_LDO_WIF1);
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LDO_SetVoltLevel(LDO_LDO_WIF1, LDO_VOLT_LEVEL3);
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#endif /* CONFIG_WIF1_LDO */
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#endif
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break;
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case WLAN_BT_PWDN_OFF:
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RTW_INFO("%s: call customer specific GPIO to set bt power down pin to 0\n",
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__FUNCTION__);
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#if defined(CONFIG_RTL8723B)
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if (sprd_3rdparty_gpio_bt_reset > 0)
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gpio_set_value(sprd_3rdparty_gpio_bt_reset, 0);
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#endif
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break;
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case WLAN_BT_PWDN_ON:
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RTW_INFO("%s: callc customer specific GPIO to set bt power down pin to 1\n",
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__FUNCTION__);
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#if defined(CONFIG_RTL8723B)
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if (sprd_3rdparty_gpio_bt_reset > 0)
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gpio_set_value(sprd_3rdparty_gpio_bt_reset, 1);
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#endif
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break;
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}
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}
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#endif /* ANDROID_2X */
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#elif defined(CONFIG_PLATFORM_ARM_RK3066)
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#include <mach/iomux.h>
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#define GPIO_WIFI_IRQ RK30_PIN2_PC2
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extern unsigned int oob_irq;
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int rtw_wifi_gpio_init(void)
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{
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#ifdef CONFIG_GSPI_HCI
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if (GPIO_WIFI_IRQ > 0) {
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rk30_mux_api_set(GPIO2C2_LCDC1DATA18_SMCBLSN1_HSADCDATA5_NAME, GPIO2C_GPIO2C2);/* jacky_test */
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gpio_request(GPIO_WIFI_IRQ, "oob_irq");
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gpio_direction_input(GPIO_WIFI_IRQ);
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oob_irq = gpio_to_irq(GPIO_WIFI_IRQ);
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RTW_INFO("%s oob_irq:%d\n", __func__, oob_irq);
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}
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#endif
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return 0;
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}
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int rtw_wifi_gpio_deinit(void)
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{
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#ifdef CONFIG_GSPI_HCI
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if (GPIO_WIFI_IRQ > 0)
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gpio_free(GPIO_WIFI_IRQ);
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#endif
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return 0;
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}
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void rtw_wifi_gpio_wlan_ctrl(int onoff)
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{
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}
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#ifdef CONFIG_GPIO_API
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/* this is a demo for extending GPIO pin[7] as interrupt mode */
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struct net_device *rtl_net;
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extern int rtw_register_gpio_interrupt(struct net_device *netdev, int gpio_num, void(*callback)(u8 level));
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extern int rtw_disable_gpio_interrupt(struct net_device *netdev, int gpio_num);
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void gpio_int(u8 is_high)
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{
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RTW_INFO("%s level=%d\n", __func__, is_high);
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}
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int register_net_gpio_init(void)
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{
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rtl_net = dev_get_by_name(&init_net, "wlan0");
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if (!rtl_net) {
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RTW_PRINT("rtl_net init fail!\n");
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return -1;
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}
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return rtw_register_gpio_interrupt(rtl_net, 7, gpio_int);
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}
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int unregister_net_gpio_init(void)
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{
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rtl_net = dev_get_by_name(&init_net, "wlan0");
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if (!rtl_net) {
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RTW_PRINT("rtl_net init fail!\n");
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return -1;
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}
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return rtw_disable_gpio_interrupt(rtl_net, 7);
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}
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#endif
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#else
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int rtw_wifi_gpio_init(void)
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{
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return 0;
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}
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void rtw_wifi_gpio_wlan_ctrl(int onoff)
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{
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}
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#endif /* CONFIG_PLATFORM_SPRD */
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