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 20 #ifndef __RFKILL_GPIO_H 21 #define __RFKILL_GPIO_H 22 23 #include <linux/types.h> 24 #include <linux/rfkill.h> 25 #include <linux/clk.h> 26 27 #define RFKILL_RK_GPIO_NAME_SIZE 64 28 29 //struct rfkill_rk_iomux { 30 // char *name; 31 // int fgpio; 32 // int fmux; 33 //}; 34 35 struct rfkill_rk_gpio { 36 int io; 37 char name[RFKILL_RK_GPIO_NAME_SIZE]; 38 int enable; // disable = !enable 39 struct pinctrl_state *gpio_state; 40 struct pinctrl_state *default_state; 41 }; 42 43 struct rfkill_rk_irq { 44 char name[RFKILL_RK_GPIO_NAME_SIZE]; 45 struct rfkill_rk_gpio gpio; 46 int irq; 47 }; 48 49 /** 50 * struct rfkill_rk_platform_data - platform data for rfkill gpio device. 51 * for unused gpio's, the expected value is -1. 52 * @name: name for the gpio rf kill instance 53 * @reset_gpio: GPIO which is used for reseting rfkill switch 54 * @shutdown_gpio: GPIO which is used for shutdown of rfkill switch 55 */ 56 57 struct rfkill_rk_platform_data { 58 char *name; 59 enum rfkill_type type; 60 bool power_toggle; 61 struct pinctrl *pinctrl; 62 struct rfkill_rk_gpio poweron_gpio; 63 struct rfkill_rk_gpio reset_gpio; 64 struct rfkill_rk_gpio wake_gpio; // Host wake or sleep BT 65 struct rfkill_rk_irq wake_host_irq; // BT wakeup host 66 struct rfkill_rk_gpio rts_gpio; 67 struct clk *ext_clk; 68 }; 69 70 int rfkill_get_bt_power_state(int *power, bool *toggle); 71 void rfkill_rk_sleep_bt(bool sleep); 72 73 #endif /* __RFKILL_GPIO_H */ 74 75