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89 lines
2.9 KiB
89 lines
2.9 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* PS3 virtual uart |
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* |
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* Copyright (C) 2006 Sony Computer Entertainment Inc. |
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* Copyright 2006 Sony Corp. |
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*/ |
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#if !defined(_PS3_VUART_H) |
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#define _PS3_VUART_H |
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#include <asm/ps3.h> |
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struct ps3_vuart_stats { |
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unsigned long bytes_written; |
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unsigned long bytes_read; |
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unsigned long tx_interrupts; |
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unsigned long rx_interrupts; |
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unsigned long disconnect_interrupts; |
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}; |
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struct ps3_vuart_work { |
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struct work_struct work; |
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unsigned long trigger; |
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struct ps3_system_bus_device *dev; /* to convert work to device */ |
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}; |
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/** |
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* struct ps3_vuart_port_driver - a driver for a device on a vuart port |
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*/ |
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struct ps3_vuart_port_driver { |
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struct ps3_system_bus_driver core; |
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int (*probe)(struct ps3_system_bus_device *); |
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int (*remove)(struct ps3_system_bus_device *); |
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void (*shutdown)(struct ps3_system_bus_device *); |
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void (*work)(struct ps3_system_bus_device *); |
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/* int (*tx_event)(struct ps3_system_bus_device *dev); */ |
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/* int (*rx_event)(struct ps3_system_bus_device *dev); */ |
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/* int (*disconnect_event)(struct ps3_system_bus_device *dev); */ |
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/* int (*suspend)(struct ps3_system_bus_device *, pm_message_t); */ |
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/* int (*resume)(struct ps3_system_bus_device *); */ |
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}; |
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int ps3_vuart_port_driver_register(struct ps3_vuart_port_driver *drv); |
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void ps3_vuart_port_driver_unregister(struct ps3_vuart_port_driver *drv); |
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static inline struct ps3_vuart_port_driver * |
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ps3_system_bus_dev_to_vuart_drv(struct ps3_system_bus_device *_dev) |
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{ |
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struct ps3_system_bus_driver *sbd = |
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ps3_system_bus_dev_to_system_bus_drv(_dev); |
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BUG_ON(!sbd); |
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return container_of(sbd, struct ps3_vuart_port_driver, core); |
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} |
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static inline struct ps3_system_bus_device *ps3_vuart_work_to_system_bus_dev( |
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struct work_struct *_work) |
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{ |
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struct ps3_vuart_work *vw = container_of(_work, struct ps3_vuart_work, |
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work); |
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return vw->dev; |
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} |
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int ps3_vuart_write(struct ps3_system_bus_device *dev, const void *buf, |
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unsigned int bytes); |
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int ps3_vuart_read(struct ps3_system_bus_device *dev, void *buf, |
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unsigned int bytes); |
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int ps3_vuart_read_async(struct ps3_system_bus_device *dev, unsigned int bytes); |
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void ps3_vuart_cancel_async(struct ps3_system_bus_device *dev); |
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void ps3_vuart_clear_rx_bytes(struct ps3_system_bus_device *dev, |
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unsigned int bytes); |
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struct vuart_triggers { |
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unsigned long rx; |
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unsigned long tx; |
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}; |
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int ps3_vuart_get_triggers(struct ps3_system_bus_device *dev, |
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struct vuart_triggers *trig); |
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int ps3_vuart_set_triggers(struct ps3_system_bus_device *dev, unsigned int tx, |
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unsigned int rx); |
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int ps3_vuart_enable_interrupt_tx(struct ps3_system_bus_device *dev); |
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int ps3_vuart_disable_interrupt_tx(struct ps3_system_bus_device *dev); |
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int ps3_vuart_enable_interrupt_rx(struct ps3_system_bus_device *dev); |
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int ps3_vuart_disable_interrupt_rx(struct ps3_system_bus_device *dev); |
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int ps3_vuart_enable_interrupt_disconnect(struct ps3_system_bus_device *dev); |
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int ps3_vuart_disable_interrupt_disconnect(struct ps3_system_bus_device *dev); |
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#endif
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