/* * 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; struct ps3_system_bus_device *dev; /* to convert work to device */ }; /** * struct ps3_vuart_port_driver - a driver for a device on a vuart port */ struct ps3_vuart_port_driver { struct ps3_system_bus_driver core; int (*probe)(struct ps3_system_bus_device *); int (*remove)(struct ps3_system_bus_device *); void (*shutdown)(struct ps3_system_bus_device *); void (*work)(struct ps3_system_bus_device *); /* int (*tx_event)(struct ps3_system_bus_device *dev); */ /* int (*rx_event)(struct ps3_system_bus_device *dev); */ /* int (*disconnect_event)(struct ps3_system_bus_device *dev); */ /* int (*suspend)(struct ps3_system_bus_device *, pm_message_t); */ /* int (*resume)(struct ps3_system_bus_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 * ps3_system_bus_dev_to_vuart_drv(struct ps3_system_bus_device *_dev) { struct ps3_system_bus_driver *sbd = ps3_system_bus_dev_to_system_bus_drv(_dev); BUG_ON(!sbd); return container_of(sbd, struct ps3_vuart_port_driver, core); } static inline struct ps3_system_bus_device *ps3_vuart_work_to_system_bus_dev( 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_system_bus_device *dev, const void *buf, unsigned int bytes); int ps3_vuart_read(struct ps3_system_bus_device *dev, void *buf, unsigned int bytes); int ps3_vuart_read_async(struct ps3_system_bus_device *dev, unsigned int bytes); void ps3_vuart_cancel_async(struct ps3_system_bus_device *dev); void ps3_vuart_clear_rx_bytes(struct ps3_system_bus_device *dev, unsigned int bytes); #endif