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- /*
- * 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);
- struct vuart_triggers {
- unsigned long rx;
- unsigned long tx;
- };
- int ps3_vuart_get_triggers(struct ps3_system_bus_device *dev,
- struct vuart_triggers *trig);
- int ps3_vuart_set_triggers(struct ps3_system_bus_device *dev, unsigned int tx,
- unsigned int rx);
- int ps3_vuart_enable_interrupt_tx(struct ps3_system_bus_device *dev);
- int ps3_vuart_disable_interrupt_tx(struct ps3_system_bus_device *dev);
- int ps3_vuart_enable_interrupt_rx(struct ps3_system_bus_device *dev);
- int ps3_vuart_disable_interrupt_rx(struct ps3_system_bus_device *dev);
- int ps3_vuart_enable_interrupt_disconnect(struct ps3_system_bus_device *dev);
- int ps3_vuart_disable_interrupt_disconnect(struct ps3_system_bus_device *dev);
- #endif
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