xref: /device/soc/rockchip/common/sdk_linux/include/linux/rfkill-bt.h

/*
 * Copyright (c) 2011, NVIDIA Corporation.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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  02110-1301, USA.
 */

#ifndef __RFKILL_GPIO_H
#define __RFKILL_GPIO_H

#include <linux/types.h>
#include <linux/rfkill.h>
#include <linux/clk.h>

#define RFKILL_RK_GPIO_NAME_SIZE 64

struct rfkill_rk_gpio {
    int io;
    char name[RFKILL_RK_GPIO_NAME_SIZE];
    int enable; // disable = !enable
    struct pinctrl_state *gpio_state;
    struct pinctrl_state *default_state;
};

struct rfkill_rk_irq {
    char name[RFKILL_RK_GPIO_NAME_SIZE];
    struct rfkill_rk_gpio gpio;
    int irq;
};

/**
 * struct rfkill_rk_platform_data - platform data for rfkill gpio device.
 * for unused gpio's, the expected value is -1.
 * @name:               name for the gpio rf kill instance
 * @reset_gpio:         GPIO which is used for reseting rfkill switch
 * @shutdown_gpio:      GPIO which is used for shutdown of rfkill switch
 */

struct rfkill_rk_platform_data {
    char *name;
    enum rfkill_type type;
    bool power_toggle;
    struct pinctrl *pinctrl;
    struct rfkill_rk_gpio poweron_gpio;
    struct rfkill_rk_gpio reset_gpio;
    struct rfkill_rk_gpio wake_gpio;    // Host wake or sleep BT
    struct rfkill_rk_irq wake_host_irq; // BT wakeup host
    struct rfkill_rk_gpio rts_gpio;
    struct clk *ext_clk;
};

int rfkill_get_bt_power_state(int *power, bool *toggle);

#endif /* __RFKILL_GPIO_H */