Commit | Line | Data |
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873e65bc | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
74e95d5d GL |
2 | /* |
3 | * PS3 virtual uart | |
4 | * | |
5 | * Copyright (C) 2006 Sony Computer Entertainment Inc. | |
6 | * Copyright 2006 Sony Corp. | |
74e95d5d GL |
7 | */ |
8 | ||
9 | #if !defined(_PS3_VUART_H) | |
10 | #define _PS3_VUART_H | |
11 | ||
75c86e74 GL |
12 | #include <asm/ps3.h> |
13 | ||
14 | struct ps3_vuart_stats { | |
15 | unsigned long bytes_written; | |
16 | unsigned long bytes_read; | |
17 | unsigned long tx_interrupts; | |
18 | unsigned long rx_interrupts; | |
19 | unsigned long disconnect_interrupts; | |
20 | }; | |
21 | ||
ea1547d3 GL |
22 | struct ps3_vuart_work { |
23 | struct work_struct work; | |
24 | unsigned long trigger; | |
7626e78d | 25 | struct ps3_system_bus_device *dev; /* to convert work to device */ |
75c86e74 GL |
26 | }; |
27 | ||
74e95d5d GL |
28 | /** |
29 | * struct ps3_vuart_port_driver - a driver for a device on a vuart port | |
30 | */ | |
31 | ||
32 | struct ps3_vuart_port_driver { | |
7626e78d GL |
33 | struct ps3_system_bus_driver core; |
34 | int (*probe)(struct ps3_system_bus_device *); | |
35 | int (*remove)(struct ps3_system_bus_device *); | |
36 | void (*shutdown)(struct ps3_system_bus_device *); | |
37 | void (*work)(struct ps3_system_bus_device *); | |
38 | /* int (*tx_event)(struct ps3_system_bus_device *dev); */ | |
39 | /* int (*rx_event)(struct ps3_system_bus_device *dev); */ | |
40 | /* int (*disconnect_event)(struct ps3_system_bus_device *dev); */ | |
41 | /* int (*suspend)(struct ps3_system_bus_device *, pm_message_t); */ | |
42 | /* int (*resume)(struct ps3_system_bus_device *); */ | |
74e95d5d GL |
43 | }; |
44 | ||
74e95d5d GL |
45 | int ps3_vuart_port_driver_register(struct ps3_vuart_port_driver *drv); |
46 | void ps3_vuart_port_driver_unregister(struct ps3_vuart_port_driver *drv); | |
97ec1675 | 47 | |
7626e78d GL |
48 | static inline struct ps3_vuart_port_driver * |
49 | ps3_system_bus_dev_to_vuart_drv(struct ps3_system_bus_device *_dev) | |
74e95d5d | 50 | { |
7626e78d GL |
51 | struct ps3_system_bus_driver *sbd = |
52 | ps3_system_bus_dev_to_system_bus_drv(_dev); | |
53 | BUG_ON(!sbd); | |
54 | return container_of(sbd, struct ps3_vuart_port_driver, core); | |
74e95d5d | 55 | } |
7626e78d | 56 | static inline struct ps3_system_bus_device *ps3_vuart_work_to_system_bus_dev( |
ea1547d3 GL |
57 | struct work_struct *_work) |
58 | { | |
59 | struct ps3_vuart_work *vw = container_of(_work, struct ps3_vuart_work, | |
60 | work); | |
61 | return vw->dev; | |
62 | } | |
63 | ||
7626e78d | 64 | int ps3_vuart_write(struct ps3_system_bus_device *dev, const void *buf, |
ea1547d3 | 65 | unsigned int bytes); |
7626e78d | 66 | int ps3_vuart_read(struct ps3_system_bus_device *dev, void *buf, |
ea1547d3 | 67 | unsigned int bytes); |
7626e78d GL |
68 | int ps3_vuart_read_async(struct ps3_system_bus_device *dev, unsigned int bytes); |
69 | void ps3_vuart_cancel_async(struct ps3_system_bus_device *dev); | |
70 | void ps3_vuart_clear_rx_bytes(struct ps3_system_bus_device *dev, | |
ea1547d3 | 71 | unsigned int bytes); |
74e95d5d | 72 | |
6baa5ecd GL |
73 | struct vuart_triggers { |
74 | unsigned long rx; | |
75 | unsigned long tx; | |
76 | }; | |
77 | ||
78 | int ps3_vuart_get_triggers(struct ps3_system_bus_device *dev, | |
79 | struct vuart_triggers *trig); | |
80 | int ps3_vuart_set_triggers(struct ps3_system_bus_device *dev, unsigned int tx, | |
81 | unsigned int rx); | |
82 | int ps3_vuart_enable_interrupt_tx(struct ps3_system_bus_device *dev); | |
83 | int ps3_vuart_disable_interrupt_tx(struct ps3_system_bus_device *dev); | |
84 | int ps3_vuart_enable_interrupt_rx(struct ps3_system_bus_device *dev); | |
85 | int ps3_vuart_disable_interrupt_rx(struct ps3_system_bus_device *dev); | |
86 | int ps3_vuart_enable_interrupt_disconnect(struct ps3_system_bus_device *dev); | |
87 | int ps3_vuart_disable_interrupt_disconnect(struct ps3_system_bus_device *dev); | |
88 | ||
74e95d5d | 89 | #endif |