1/*
2 * Copyright (c) 2011, NVIDIA Corporation.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
17 */
18
19#ifndef __RFKILL_GPIO_H
20#define __RFKILL_GPIO_H
21
22#include <linux/types.h>
23#include <linux/rfkill.h>
24#include <linux/clk.h>
25
26#define RFKILL_RK_GPIO_NAME_SIZE 64
27
28struct rfkill_rk_gpio {
29    int io;
30    char name[RFKILL_RK_GPIO_NAME_SIZE];
31    int enable; // disable = !enable
32    struct pinctrl_state *gpio_state;
33    struct pinctrl_state *default_state;
34};
35
36struct rfkill_rk_irq {
37    char name[RFKILL_RK_GPIO_NAME_SIZE];
38    struct rfkill_rk_gpio gpio;
39    int irq;
40};
41
42/**
43 * struct rfkill_rk_platform_data - platform data for rfkill gpio device.
44 * for unused gpio's, the expected value is -1.
45 * @name:               name for the gpio rf kill instance
46 * @reset_gpio:         GPIO which is used for reseting rfkill switch
47 * @shutdown_gpio:      GPIO which is used for shutdown of rfkill switch
48 */
49
50struct rfkill_rk_platform_data {
51    char *name;
52    enum rfkill_type type;
53    bool power_toggle;
54    struct pinctrl *pinctrl;
55    struct rfkill_rk_gpio poweron_gpio;
56    struct rfkill_rk_gpio reset_gpio;
57    struct rfkill_rk_gpio wake_gpio;    // Host wake or sleep BT
58    struct rfkill_rk_irq wake_host_irq; // BT wakeup host
59    struct rfkill_rk_gpio rts_gpio;
60    struct clk *ext_clk;
61};
62
63int rfkill_get_bt_power_state(int *power, bool *toggle);
64
65#endif /* __RFKILL_GPIO_H */
66