| /* |
| * Copyright (C) 2010 NXP Semiconductors |
| * |
| * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| #ifndef _PN548_H_ |
| #define _PN548_H_ |
| #include <linux/kernel.h> |
| #include <linux/module.h> |
| #include <linux/fs.h> |
| #include <linux/slab.h> |
| #include <linux/init.h> |
| #include <linux/list.h> |
| #include <linux/i2c.h> |
| #include <linux/irq.h> |
| #include <linux/jiffies.h> |
| #include <linux/uaccess.h> |
| #include <linux/delay.h> |
| #include <linux/interrupt.h> |
| #include <linux/io.h> |
| #include <linux/platform_device.h> |
| #include <linux/gpio.h> |
| #include <linux/miscdevice.h> |
| #include <linux/spinlock.h> |
| |
| #define PN548_MAGIC 0xE9 |
| |
| #define PN548_DRV_NAME "pn548" |
| |
| /* |
| * pn548 power control via ioctl |
| * pn548_SET_PWR(0): power off |
| * pn548_SET_PWR(1): power on |
| * pn548_SET_PWR(2): reset and power on with firmware download enabled |
| */ |
| #define pn548_SET_PWR _IOW(PN548_MAGIC, 0x01, unsigned int) |
| |
| #define pn548_HW_REVISION _IOR(PN548_MAGIC, 0x02, unsigned int) |
| |
| struct pn548_i2c_platform_data { |
| unsigned int sda_gpio; |
| unsigned int scl_gpio; |
| unsigned int irq_gpio; |
| unsigned int ven_gpio; |
| unsigned int firm_gpio; |
| }; |
| |
| struct pn548_dev { |
| wait_queue_head_t read_wq; |
| struct mutex read_mutex; |
| struct i2c_client *client; |
| struct miscdevice pn548_device; |
| unsigned int ven_gpio; |
| unsigned int firm_gpio; |
| unsigned int irq_gpio; |
| struct clk *clk_cont; |
| struct clk *clk_pin; |
| bool irq_enabled; |
| spinlock_t irq_enabled_lock; |
| }; |
| |
| struct pn548_gpio { |
| unsigned int sda_gpio; |
| unsigned int scl_gpio; |
| unsigned int ven_gpio; |
| unsigned int firm_gpio; |
| unsigned int irq_gpio; |
| }; |
| |
| #define dprintk(fmt, args...) printk(fmt, ##args) |
| |
| #endif /* _PN548_H_ */ |
