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91 lines
2.6 KiB
C
91 lines
2.6 KiB
C
/******************************************************************************
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*
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* Copyright(c) 2013 - 2017 Realtek Corporation.
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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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*****************************************************************************/
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#include <drv_types.h>
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#ifdef CONFIG_MMC_SUNXI_POWER_CONTROL
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#ifdef CONFIG_WITS_EVB_V13
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#define SDIOID 0
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#else /* !CONFIG_WITS_EVB_V13 */
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#define SDIOID (CONFIG_CHIP_ID == 1123 ? 3 : 1)
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#endif /* !CONFIG_WITS_EVB_V13 */
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#define SUNXI_SDIO_WIFI_NUM_RTL8189ES 10
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extern void sunximmc_rescan_card(unsigned id, unsigned insert);
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extern int mmc_pm_get_mod_type(void);
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extern int mmc_pm_gpio_ctrl(char *name, int level);
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/*
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* rtl8189es_shdn = port:PH09<1><default><default><0>
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* rtl8189es_wakeup = port:PH10<1><default><default><1>
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* rtl8189es_vdd_en = port:PH11<1><default><default><0>
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* rtl8189es_vcc_en = port:PH12<1><default><default><0>
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*/
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int rtl8189es_sdio_powerup(void)
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{
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mmc_pm_gpio_ctrl("rtl8189es_vdd_en", 1);
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udelay(100);
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mmc_pm_gpio_ctrl("rtl8189es_vcc_en", 1);
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udelay(50);
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mmc_pm_gpio_ctrl("rtl8189es_shdn", 1);
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return 0;
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}
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int rtl8189es_sdio_poweroff(void)
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{
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mmc_pm_gpio_ctrl("rtl8189es_shdn", 0);
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mmc_pm_gpio_ctrl("rtl8189es_vcc_en", 0);
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mmc_pm_gpio_ctrl("rtl8189es_vdd_en", 0);
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return 0;
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}
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#endif /* CONFIG_MMC_SUNXI_POWER_CONTROL */
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/*
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* Return:
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* 0: power on successfully
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* others: power on failed
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*/
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int platform_wifi_power_on(void)
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{
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int ret = 0;
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#ifdef CONFIG_MMC_SUNXI_POWER_CONTROL
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unsigned int mod_sel = mmc_pm_get_mod_type();
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#endif /* CONFIG_MMC_SUNXI_POWER_CONTROL */
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#ifdef CONFIG_MMC_SUNXI_POWER_CONTROL
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if (mod_sel == SUNXI_SDIO_WIFI_NUM_RTL8189ES) {
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rtl8189es_sdio_powerup();
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sunximmc_rescan_card(SDIOID, 1);
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printk("[rtl8189es] %s: power up, rescan card.\n", __FUNCTION__);
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} else {
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ret = -1;
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printk("[rtl8189es] %s: mod_sel = %d is incorrect.\n", __FUNCTION__, mod_sel);
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}
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#endif /* CONFIG_MMC_SUNXI_POWER_CONTROL */
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return ret;
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}
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void platform_wifi_power_off(void)
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{
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#ifdef CONFIG_MMC_SUNXI_POWER_CONTROL
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sunximmc_rescan_card(SDIOID, 0);
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#ifdef CONFIG_RTL8188E
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rtl8189es_sdio_poweroff();
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printk("[rtl8189es] %s: remove card, power off.\n", __FUNCTION__);
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#endif /* CONFIG_RTL8188E */
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#endif /* CONFIG_MMC_SUNXI_POWER_CONTROL */
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}
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