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1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * PS3 virtual uart
4 *
5 * Copyright (C) 2006 Sony Computer Entertainment Inc.
6 * Copyright 2006 Sony Corp.
7 */
8
9#if !defined(_PS3_VUART_H)
10#define _PS3_VUART_H
11
12#include <asm/ps3.h>
13
14struct 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
22struct ps3_vuart_work {
23 struct work_struct work;
24 unsigned long trigger;
25 struct ps3_system_bus_device *dev; /* to convert work to device */
26};
27
28/**
29 * struct ps3_vuart_port_driver - a driver for a device on a vuart port
30 */
31
32struct ps3_vuart_port_driver {
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 *); */
43};
44
45int ps3_vuart_port_driver_register(struct ps3_vuart_port_driver *drv);
46void ps3_vuart_port_driver_unregister(struct ps3_vuart_port_driver *drv);
47
48static inline struct ps3_vuart_port_driver *
49 ps3_system_bus_dev_to_vuart_drv(struct ps3_system_bus_device *_dev)
50{
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);
55}
56static inline struct ps3_system_bus_device *ps3_vuart_work_to_system_bus_dev(
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
64int ps3_vuart_write(struct ps3_system_bus_device *dev, const void *buf,
65 unsigned int bytes);
66int ps3_vuart_read(struct ps3_system_bus_device *dev, void *buf,
67 unsigned int bytes);
68int ps3_vuart_read_async(struct ps3_system_bus_device *dev, unsigned int bytes);
69void ps3_vuart_cancel_async(struct ps3_system_bus_device *dev);
70void ps3_vuart_clear_rx_bytes(struct ps3_system_bus_device *dev,
71 unsigned int bytes);
72
73struct vuart_triggers {
74 unsigned long rx;
75 unsigned long tx;
76};
77
78int ps3_vuart_get_triggers(struct ps3_system_bus_device *dev,
79 struct vuart_triggers *trig);
80int ps3_vuart_set_triggers(struct ps3_system_bus_device *dev, unsigned int tx,
81 unsigned int rx);
82int ps3_vuart_enable_interrupt_tx(struct ps3_system_bus_device *dev);
83int ps3_vuart_disable_interrupt_tx(struct ps3_system_bus_device *dev);
84int ps3_vuart_enable_interrupt_rx(struct ps3_system_bus_device *dev);
85int ps3_vuart_disable_interrupt_rx(struct ps3_system_bus_device *dev);
86int ps3_vuart_enable_interrupt_disconnect(struct ps3_system_bus_device *dev);
87int ps3_vuart_disable_interrupt_disconnect(struct ps3_system_bus_device *dev);
88
89#endif
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#include <asm/ps3.h>
25
26struct 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;
32};
33
34struct ps3_vuart_work {
35 struct work_struct work;
36 unsigned long trigger;
37 struct ps3_system_bus_device *dev; /* to convert work to device */
38};
39
40/**
41 * struct ps3_vuart_port_driver - a driver for a device on a vuart port
42 */
43
44struct ps3_vuart_port_driver {
45 struct ps3_system_bus_driver core;
46 int (*probe)(struct ps3_system_bus_device *);
47 int (*remove)(struct ps3_system_bus_device *);
48 void (*shutdown)(struct ps3_system_bus_device *);
49 void (*work)(struct ps3_system_bus_device *);
50 /* int (*tx_event)(struct ps3_system_bus_device *dev); */
51 /* int (*rx_event)(struct ps3_system_bus_device *dev); */
52 /* int (*disconnect_event)(struct ps3_system_bus_device *dev); */
53 /* int (*suspend)(struct ps3_system_bus_device *, pm_message_t); */
54 /* int (*resume)(struct ps3_system_bus_device *); */
55};
56
57int ps3_vuart_port_driver_register(struct ps3_vuart_port_driver *drv);
58void ps3_vuart_port_driver_unregister(struct ps3_vuart_port_driver *drv);
59
60static inline struct ps3_vuart_port_driver *
61 ps3_system_bus_dev_to_vuart_drv(struct ps3_system_bus_device *_dev)
62{
63 struct ps3_system_bus_driver *sbd =
64 ps3_system_bus_dev_to_system_bus_drv(_dev);
65 BUG_ON(!sbd);
66 return container_of(sbd, struct ps3_vuart_port_driver, core);
67}
68static inline struct ps3_system_bus_device *ps3_vuart_work_to_system_bus_dev(
69 struct work_struct *_work)
70{
71 struct ps3_vuart_work *vw = container_of(_work, struct ps3_vuart_work,
72 work);
73 return vw->dev;
74}
75
76int ps3_vuart_write(struct ps3_system_bus_device *dev, const void *buf,
77 unsigned int bytes);
78int ps3_vuart_read(struct ps3_system_bus_device *dev, void *buf,
79 unsigned int bytes);
80int ps3_vuart_read_async(struct ps3_system_bus_device *dev, unsigned int bytes);
81void ps3_vuart_cancel_async(struct ps3_system_bus_device *dev);
82void ps3_vuart_clear_rx_bytes(struct ps3_system_bus_device *dev,
83 unsigned int bytes);
84
85struct vuart_triggers {
86 unsigned long rx;
87 unsigned long tx;
88};
89
90int ps3_vuart_get_triggers(struct ps3_system_bus_device *dev,
91 struct vuart_triggers *trig);
92int ps3_vuart_set_triggers(struct ps3_system_bus_device *dev, unsigned int tx,
93 unsigned int rx);
94int ps3_vuart_enable_interrupt_tx(struct ps3_system_bus_device *dev);
95int ps3_vuart_disable_interrupt_tx(struct ps3_system_bus_device *dev);
96int ps3_vuart_enable_interrupt_rx(struct ps3_system_bus_device *dev);
97int ps3_vuart_disable_interrupt_rx(struct ps3_system_bus_device *dev);
98int ps3_vuart_enable_interrupt_disconnect(struct ps3_system_bus_device *dev);
99int ps3_vuart_disable_interrupt_disconnect(struct ps3_system_bus_device *dev);
100
101#endif