blob: 64d34efefe1b7c2405979a9076668670bf32fe66 [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0-only */
* PS3 virtual uart
* Copyright (C) 2006 Sony Computer Entertainment Inc.
* Copyright 2006 Sony Corp.
#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 =
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,
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);