RTL88x2BU-Linux-Driver/platform/platform_ARM_SUNnI_sdio.c

/******************************************************************************
 *
 * Copyright(c) 2013 - 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.
 *
 *****************************************************************************/
/*
 * Description:
 *	This file can be applied to following platforms:
 *	CONFIG_PLATFORM_ARM_SUN6I
 *	CONFIG_PLATFORM_ARM_SUN7I
 *	CONFIG_PLATFORM_ARM_SUN8I
 */
#include <drv_types.h>
#include <mach/sys_config.h>
#ifdef CONFIG_GPIO_WAKEUP
#include <linux/gpio.h>
#endif

#ifdef CONFIG_MMC
static int sdc_id = -1;
static signed int gpio_eint_wlan = -1;
static u32 eint_wlan_handle = 0;

#if defined(CONFIG_PLATFORM_ARM_SUN6I) || defined(CONFIG_PLATFORM_ARM_SUN7I)
extern void sw_mci_rescan_card(unsigned id, unsigned insert);
#elif defined(CONFIG_PLATFORM_ARM_SUN8I)
extern void sunxi_mci_rescan_card(unsigned id, unsigned insert);
#endif

#ifdef CONFIG_PLATFORM_ARM_SUN8I_W5P1
extern int get_rf_mod_type(void);
#else
extern int wifi_pm_get_mod_type(void);
#endif

extern void wifi_pm_power(int on);
#ifdef CONFIG_GPIO_WAKEUP
extern unsigned int oob_irq;
#endif
#endif /* CONFIG_MMC */

/*
 * Return:
 *	0:	power on successfully
 *	others: power on failed
 */
int platform_wifi_power_on(void)
{
	int ret = 0;

#ifdef CONFIG_MMC
	{
		script_item_u val;
		script_item_value_type_e type;

#ifdef CONFIG_PLATFORM_ARM_SUN8I_W5P1
		unsigned int mod_sel = get_rf_mod_type();
#else
		unsigned int mod_sel = wifi_pm_get_mod_type();
#endif

		type = script_get_item("wifi_para", "wifi_sdc_id", &val);
		if (SCIRPT_ITEM_VALUE_TYPE_INT != type) {
			RTW_INFO("get wifi_sdc_id failed\n");
			ret = -1;
		} else {
			sdc_id = val.val;
			RTW_INFO("----- %s sdc_id: %d, mod_sel: %d\n", __FUNCTION__, sdc_id, mod_sel);

#if defined(CONFIG_PLATFORM_ARM_SUN6I) || defined(CONFIG_PLATFORM_ARM_SUN7I)
			sw_mci_rescan_card(sdc_id, 1);
#elif defined(CONFIG_PLATFORM_ARM_SUN8I)
			sunxi_mci_rescan_card(sdc_id, 1);
#endif
			mdelay(100);
			wifi_pm_power(1);

			RTW_INFO("%s: power up, rescan card.\n", __FUNCTION__);
		}

#ifdef CONFIG_GPIO_WAKEUP
#ifdef CONFIG_PLATFORM_ARM_SUN8I_W5P1
		type = script_get_item("wifi_para", "wl_host_wake", &val);
#else
#ifdef CONFIG_RTL8723B
		type = script_get_item("wifi_para", "rtl8723bs_wl_host_wake", &val);
#endif
#ifdef CONFIG_RTL8188E
		type = script_get_item("wifi_para", "rtl8189es_host_wake", &val);
#endif
#endif /* CONFIG_PLATFORM_ARM_SUN8I_W5P1 */
		if (SCIRPT_ITEM_VALUE_TYPE_PIO != type) {
			RTW_INFO("No definition of wake up host PIN\n");
			ret = -1;
		} else {
			gpio_eint_wlan = val.gpio.gpio;
#ifdef CONFIG_PLATFORM_ARM_SUN8I
			oob_irq = gpio_to_irq(gpio_eint_wlan);
#endif
		}
#endif /* CONFIG_GPIO_WAKEUP */
	}
#endif /* CONFIG_MMC */

	return ret;
}

void platform_wifi_power_off(void)
{
#ifdef CONFIG_MMC
#if defined(CONFIG_PLATFORM_ARM_SUN6I) || defined(CONFIG_PLATFORM_ARM_SUN7I)
	sw_mci_rescan_card(sdc_id, 0);
#elif defined(CONFIG_PLATFORM_ARM_SUN8I)
	sunxi_mci_rescan_card(sdc_id, 0);
#endif
	mdelay(100);
	wifi_pm_power(0);

	RTW_INFO("%s: remove card, power off.\n", __FUNCTION__);
#endif /* CONFIG_MMC */
}