| 1 |
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| 2 | |
| 3 | * PS3 virtual uart
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| 4 | *
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| 5 | * Copyright (C) 2006 Sony Computer Entertainment Inc.
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| 6 | * Copyright 2006 Sony Corp.
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| 7 |
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| 8 |
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| 9 | #if !defined(_PS3_VUART_H)
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| 10 | #define _PS3_VUART_H
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| 11 |
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| 12 | #include <asm/ps3.h>
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| 13 |
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| 14 | struct ps3_vuart_stats {
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| 15 | unsigned long bytes_written;
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| 16 | unsigned long bytes_read;
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| 17 | unsigned long tx_interrupts;
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| 18 | unsigned long rx_interrupts;
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| 19 | unsigned long disconnect_interrupts;
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| 20 | };
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| 21 |
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| 22 | struct ps3_vuart_work {
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| 23 | struct work_struct work;
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| 24 | unsigned long trigger;
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| 25 | struct ps3_system_bus_device *dev;
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| 26 | };
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| 27 |
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| 28 | |
| 29 | * struct ps3_vuart_port_driver - a driver for a device on a vuart port
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| 30 |
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| 31 |
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| 32 | struct ps3_vuart_port_driver {
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| 33 | struct ps3_system_bus_driver core;
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| 34 | int (*probe)(struct ps3_system_bus_device *);
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| 35 | int (*remove)(struct ps3_system_bus_device *);
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| 36 | void (*shutdown)(struct ps3_system_bus_device *);
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| 37 | void (*work)(struct ps3_system_bus_device *);
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| 38 |
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| 39 |
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| 40 |
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| 41 |
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| 42 |
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| 43 | };
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| 44 |
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| 45 | int ps3_vuart_port_driver_register(struct ps3_vuart_port_driver *drv);
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| 46 | void ps3_vuart_port_driver_unregister(struct ps3_vuart_port_driver *drv);
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| 47 |
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| 48 | static inline struct ps3_vuart_port_driver *
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| 49 | ps3_system_bus_dev_to_vuart_drv(struct ps3_system_bus_device *_dev)
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| 50 | {
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| 51 | struct ps3_system_bus_driver *sbd =
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| 52 | ps3_system_bus_dev_to_system_bus_drv(_dev);
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| 53 | BUG_ON(!sbd);
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| 54 | return container_of(sbd, struct ps3_vuart_port_driver, core);
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| 55 | }
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| 56 | static inline struct ps3_system_bus_device *ps3_vuart_work_to_system_bus_dev(
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| 57 | struct work_struct *_work)
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| 58 | {
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| 59 | struct ps3_vuart_work *vw = container_of(_work, struct ps3_vuart_work,
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| 60 | work);
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| 61 | return vw->dev;
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| 62 | }
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| 63 |
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| 64 | int ps3_vuart_write(struct ps3_system_bus_device *dev, const void *buf,
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| 65 | unsigned int bytes);
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| 66 | int ps3_vuart_read(struct ps3_system_bus_device *dev, void *buf,
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| 67 | unsigned int bytes);
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| 68 | int ps3_vuart_read_async(struct ps3_system_bus_device *dev, unsigned int bytes);
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| 69 | void ps3_vuart_cancel_async(struct ps3_system_bus_device *dev);
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| 70 | void ps3_vuart_clear_rx_bytes(struct ps3_system_bus_device *dev,
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| 71 | unsigned int bytes);
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| 72 |
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| 73 | struct vuart_triggers {
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| 74 | unsigned long rx;
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| 75 | unsigned long tx;
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| 76 | };
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| 77 |
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| 78 | int ps3_vuart_get_triggers(struct ps3_system_bus_device *dev,
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| 79 | struct vuart_triggers *trig);
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| 80 | int ps3_vuart_set_triggers(struct ps3_system_bus_device *dev, unsigned int tx,
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| 81 | unsigned int rx);
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| 82 | int ps3_vuart_enable_interrupt_tx(struct ps3_system_bus_device *dev);
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| 83 | int ps3_vuart_disable_interrupt_tx(struct ps3_system_bus_device *dev);
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| 84 | int ps3_vuart_enable_interrupt_rx(struct ps3_system_bus_device *dev);
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| 85 | int ps3_vuart_disable_interrupt_rx(struct ps3_system_bus_device *dev);
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| 86 | int ps3_vuart_enable_interrupt_disconnect(struct ps3_system_bus_device *dev);
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| 87 | int ps3_vuart_disable_interrupt_disconnect(struct ps3_system_bus_device *dev);
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| 88 |
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| 89 | #endif
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