diff options
Diffstat (limited to 'drivers/ps3/vuart.h')
-rw-r--r-- | drivers/ps3/vuart.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/drivers/ps3/vuart.h b/drivers/ps3/vuart.h new file mode 100644 index 000000000000..28fd89f0c8aa --- /dev/null +++ b/drivers/ps3/vuart.h | |||
@@ -0,0 +1,94 @@ | |||
1 | /* | ||
2 | * PS3 virtual uart | ||
3 | * | ||
4 | * Copyright (C) 2006 Sony Computer Entertainment Inc. | ||
5 | * Copyright 2006 Sony Corp. | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License as published by | ||
9 | * the Free Software Foundation; version 2 of the License. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License | ||
17 | * along with this program; if not, write to the Free Software | ||
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
19 | */ | ||
20 | |||
21 | #if !defined(_PS3_VUART_H) | ||
22 | #define _PS3_VUART_H | ||
23 | |||
24 | struct ps3_vuart_stats { | ||
25 | unsigned long bytes_written; | ||
26 | unsigned long bytes_read; | ||
27 | unsigned long tx_interrupts; | ||
28 | unsigned long rx_interrupts; | ||
29 | unsigned long disconnect_interrupts; | ||
30 | }; | ||
31 | |||
32 | /** | ||
33 | * struct ps3_vuart_port_device - a device on a vuart port | ||
34 | */ | ||
35 | |||
36 | struct ps3_vuart_port_device { | ||
37 | enum ps3_match_id match_id; | ||
38 | struct device core; | ||
39 | |||
40 | /* private driver variables */ | ||
41 | unsigned int port_number; | ||
42 | unsigned long interrupt_mask; | ||
43 | struct { | ||
44 | spinlock_t lock; | ||
45 | struct list_head head; | ||
46 | } tx_list; | ||
47 | struct { | ||
48 | unsigned long bytes_held; | ||
49 | spinlock_t lock; | ||
50 | struct list_head head; | ||
51 | } rx_list; | ||
52 | struct ps3_vuart_stats stats; | ||
53 | }; | ||
54 | |||
55 | /** | ||
56 | * struct ps3_vuart_port_driver - a driver for a device on a vuart port | ||
57 | */ | ||
58 | |||
59 | struct ps3_vuart_port_driver { | ||
60 | enum ps3_match_id match_id; | ||
61 | struct device_driver core; | ||
62 | int (*probe)(struct ps3_vuart_port_device *); | ||
63 | int (*remove)(struct ps3_vuart_port_device *); | ||
64 | int (*tx_event)(struct ps3_vuart_port_device *dev); | ||
65 | int (*rx_event)(struct ps3_vuart_port_device *dev); | ||
66 | int (*disconnect_event)(struct ps3_vuart_port_device *dev); | ||
67 | /* int (*suspend)(struct ps3_vuart_port_device *, pm_message_t); */ | ||
68 | /* int (*resume)(struct ps3_vuart_port_device *); */ | ||
69 | }; | ||
70 | |||
71 | int ps3_vuart_port_device_register(struct ps3_vuart_port_device *dev); | ||
72 | int ps3_vuart_port_driver_register(struct ps3_vuart_port_driver *drv); | ||
73 | void ps3_vuart_port_driver_unregister(struct ps3_vuart_port_driver *drv); | ||
74 | int ps3_vuart_write(struct ps3_vuart_port_device *dev, | ||
75 | const void* buf, unsigned int bytes); | ||
76 | int ps3_vuart_read(struct ps3_vuart_port_device *dev, void* buf, | ||
77 | unsigned int bytes); | ||
78 | static inline struct ps3_vuart_port_driver *to_ps3_vuart_port_driver( | ||
79 | struct device_driver *_drv) | ||
80 | { | ||
81 | return container_of(_drv, struct ps3_vuart_port_driver, core); | ||
82 | } | ||
83 | static inline struct ps3_vuart_port_device *to_ps3_vuart_port_device( | ||
84 | struct device *_dev) | ||
85 | { | ||
86 | return container_of(_dev, struct ps3_vuart_port_device, core); | ||
87 | } | ||
88 | |||
89 | int ps3_vuart_write(struct ps3_vuart_port_device *dev, const void* buf, | ||
90 | unsigned int bytes); | ||
91 | int ps3_vuart_read(struct ps3_vuart_port_device *dev, void* buf, | ||
92 | unsigned int bytes); | ||
93 | |||
94 | #endif | ||