/* *  PS3 virtual uart * *  Copyright (C) 2006 Sony Computer Entertainment Inc. *  Copyright 2006 Sony Corp. * *  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; version 2 of the License. * *  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 */ #if !defined(_PS3_VUART_H)#define _PS3_VUART_H #include <asm/ps3.h> struct ps3_vuart_stats {	unsigned long bytes_written;	unsigned long bytes_read;	unsigned long tx_interrupts;	unsigned long rx_interrupts;	unsigned long disconnect_interrupts;}; struct ps3_vuart_work {	struct work_struct work;	unsigned long trigger;	spinlock_t lock;	struct ps3_vuart_port_device* dev; /* to convert work to device */}; /** * struct ps3_vuart_port_priv - private vuart device data. */ struct ps3_vuart_port_priv {	unsigned int port_number;	u64 interrupt_mask; 	struct {		spinlock_t lock;		struct list_head head;	} tx_list;	struct {		unsigned long bytes_held;		spinlock_t lock;		struct list_head head;	} rx_list;	struct ps3_vuart_stats stats;	struct ps3_vuart_work work;}; /** * struct ps3_vuart_port_driver - a driver for a device on a vuart port */ struct ps3_vuart_port_driver {	enum ps3_match_id match_id;	struct device_driver core;	int (*probe)(struct ps3_vuart_port_device *);	int (*remove)(struct ps3_vuart_port_device *);	void (*shutdown)(struct ps3_vuart_port_device *);	int (*tx_event)(struct ps3_vuart_port_device *dev);	int (*rx_event)(struct ps3_vuart_port_device *dev);	int (*disconnect_event)(struct ps3_vuart_port_device *dev);	/* int (*suspend)(struct ps3_vuart_port_device *, pm_message_t); */	/* int (*resume)(struct ps3_vuart_port_device *); */}; int ps3_vuart_port_driver_register(struct ps3_vuart_port_driver *drv);void ps3_vuart_port_driver_unregister(struct ps3_vuart_port_driver *drv); static inline struct ps3_vuart_port_driver *to_ps3_vuart_port_driver(	struct device_driver *_drv){	return container_of(_drv, struct ps3_vuart_port_driver, core);}static inline struct ps3_vuart_port_device *to_ps3_vuart_port_device(	struct device *_dev){	return container_of(_dev, struct ps3_vuart_port_device, core);}static inline struct ps3_vuart_port_device *ps3_vuart_work_to_port_device(	struct work_struct *_work){	struct ps3_vuart_work *vw = container_of(_work, struct ps3_vuart_work,		work);	return vw->dev;} int ps3_vuart_write(struct ps3_vuart_port_device *dev, const void* buf,	unsigned int bytes);int ps3_vuart_read(struct ps3_vuart_port_device *dev, void* buf,	unsigned int bytes);int ps3_vuart_read_async(struct ps3_vuart_port_device *dev, work_func_t func,	unsigned int bytes);void ps3_vuart_cancel_async(struct ps3_vuart_port_device *dev);void ps3_vuart_clear_rx_bytes(struct ps3_vuart_port_device *dev,	unsigned int bytes); #endif