4 * Copyright (C) 2006 Sony Computer Entertainment Inc.
5 * Copyright 2006 Sony Corp.
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.
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.
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
21 #if !defined(_PS3_VUART_H)
26 struct ps3_vuart_stats {
27 unsigned long bytes_written;
28 unsigned long bytes_read;
29 unsigned long tx_interrupts;
30 unsigned long rx_interrupts;
31 unsigned long disconnect_interrupts;
34 struct ps3_vuart_work {
35 struct work_struct work;
36 unsigned long trigger;
38 struct ps3_vuart_port_device* dev; /* to convert work to device */
42 * struct ps3_vuart_port_priv - private vuart device data.
45 struct ps3_vuart_port_priv {
46 unsigned int port_number;
51 struct list_head head;
54 unsigned long bytes_held;
56 struct list_head head;
58 struct ps3_vuart_stats stats;
59 struct ps3_vuart_work work;
63 * struct ps3_vuart_port_driver - a driver for a device on a vuart port
66 struct ps3_vuart_port_driver {
67 enum ps3_match_id match_id;
68 struct device_driver core;
69 int (*probe)(struct ps3_vuart_port_device *);
70 int (*remove)(struct ps3_vuart_port_device *);
71 void (*shutdown)(struct ps3_vuart_port_device *);
72 int (*tx_event)(struct ps3_vuart_port_device *dev);
73 int (*rx_event)(struct ps3_vuart_port_device *dev);
74 int (*disconnect_event)(struct ps3_vuart_port_device *dev);
75 /* int (*suspend)(struct ps3_vuart_port_device *, pm_message_t); */
76 /* int (*resume)(struct ps3_vuart_port_device *); */
79 int ps3_vuart_port_driver_register(struct ps3_vuart_port_driver *drv);
80 void ps3_vuart_port_driver_unregister(struct ps3_vuart_port_driver *drv);
82 static inline struct ps3_vuart_port_driver *to_ps3_vuart_port_driver(
83 struct device_driver *_drv)
85 return container_of(_drv, struct ps3_vuart_port_driver, core);
87 static inline struct ps3_vuart_port_device *to_ps3_vuart_port_device(
90 return container_of(_dev, struct ps3_vuart_port_device, core);
92 static inline struct ps3_vuart_port_device *ps3_vuart_work_to_port_device(
93 struct work_struct *_work)
95 struct ps3_vuart_work *vw = container_of(_work, struct ps3_vuart_work,
100 int ps3_vuart_write(struct ps3_vuart_port_device *dev, const void* buf,
102 int ps3_vuart_read(struct ps3_vuart_port_device *dev, void* buf,
104 int ps3_vuart_read_async(struct ps3_vuart_port_device *dev, work_func_t func,
106 void ps3_vuart_cancel_async(struct ps3_vuart_port_device *dev);
107 void ps3_vuart_clear_rx_bytes(struct ps3_vuart_port_device *dev,