1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
|
/*
* Copyright (C) 1999-2003 Paolo Mantegazza <mantegazza@aero.polimi.it>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _RTAI_USI_H
#define _RTAI_USI_H
#include <rtai_types.h>
#define FUN_USI_LXRT_INDX 3
#define USI_SEM 0
#define USI_TASKLET 1
#define _REQ_GLB_IRQ 0
#define _FREE_GLB_IRQ 1
#define _STARTUP_IRQ 2
#define _SHUTDOWN_IRQ 3
#define _ENABLE_IRQ 4
#define _DISABLE_IRQ 5
#define _MASK_AND_ACK_IRQ 6
#define _ACK_IRQ 7
#define _UNMASK_IRQ 8
#define _PEND_LINUX_IRQ 9
#define _INIT_SPIN_LOCK 10
#define _SPIN_LOCK 11
#define _SPIN_UNLOCK 12
#define _SPIN_LOCK_IRQ 13
#define _SPIN_UNLOCK_IRQ 14
#define _SPIN_LOCK_IRQSV 15
#define _SPIN_UNLOCK_IRQRST 16
#define _GLB_CLI 17
#define _GLB_STI 18
#define _GLB_SVFLAGS_CLI 19
#define _GLB_SVFLAGS 20
#define _GLB_RSTFLAGS 21
#define _CLI 22
#define _STI 23
#define _SVFLAGS_CLI 24
#define _SVFLAGS 25
#define _RSTFLAGS 26
#define _WAIT_INTR 27
#define _WAIT_INTR_IF 28
#define _WAIT_INTR_UNTIL 29
#define _WAIT_INTR_TIMED 30
#ifdef __KERNEL__
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
int __rtai_usi_init(void);
void __rtai_usi_exit(void);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#else /* !__KERNEL__ */
#include <rtai_lxrt.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
RTAI_PROTO(int, rt_expand_handler_data,(unsigned long data, int *irq))
{
*irq = data & 0xFFFF;
return (data & 0xFFFF0000) >> 16;
}
RTAI_PROTO(int, rt_request_global_irq,(unsigned int irq, void *hook, int hooktype))
{
struct { unsigned int irq; void *hook; int hooktype; } arg = { irq, hook, hooktype };
return rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _REQ_GLB_IRQ, &arg).i[LOW];
}
RTAI_PROTO(int, rt_free_global_irq,(unsigned int irq))
{
struct { unsigned int irq; } arg = { irq };
return rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _FREE_GLB_IRQ, &arg).i[LOW];
}
RTAI_PROTO(int, rt_startup_irq,(unsigned int irq))
{
struct { unsigned int irq; } arg = { irq };
return rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _STARTUP_IRQ, &arg).i[LOW];
}
RTAI_PROTO(void, rt_shutdown_irq,(unsigned int irq))
{
struct { unsigned int irq; } arg = { irq };
rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _SHUTDOWN_IRQ, &arg);
}
RTAI_PROTO(void, rt_enable_irq,(unsigned int irq))
{
struct { unsigned int irq; } arg = { irq };
rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _ENABLE_IRQ, &arg);
}
RTAI_PROTO(void, rt_disable_irq,(unsigned int irq))
{
struct { unsigned int irq; } arg = { irq };
rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _DISABLE_IRQ, &arg);
}
RTAI_PROTO(void, rt_mask_and_ack_irq,(unsigned int irq))
{
struct { unsigned int irq; } arg = { irq };
rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _MASK_AND_ACK_IRQ, &arg);
}
RTAI_PROTO(void, rt_ack_irq,(unsigned int irq))
{
struct { unsigned int irq; } arg = { irq };
rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _ACK_IRQ, &arg);
}
RTAI_PROTO(void, rt_unmask_irq,(unsigned int irq))
{
struct { unsigned int irq; } arg = { irq };
rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _UNMASK_IRQ, &arg);
}
RTAI_PROTO(void, rt_pend_linux_irq,(unsigned int irq))
{
struct { unsigned int irq; } arg = { irq };
rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _PEND_LINUX_IRQ, &arg);
}
RTAI_PROTO(void *, rt_spin_lock_init,(void))
{
struct { int dummy; } arg = { 0 };
return rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _INIT_SPIN_LOCK, &arg).v[LOW];
}
RTAI_PROTO(void, rt_spin_lock,(void *lock))
{
struct { void *lock; } arg = { lock };
rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _SPIN_LOCK, &arg);
}
RTAI_PROTO(void, rt_spin_unlock,(void *lock))
{
struct { void *lock; } arg = { lock };
rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _SPIN_UNLOCK, &arg);
}
RTAI_PROTO(void, rt_spin_lock_irq,(void *lock))
{
struct { void *lock; } arg = { lock };
rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _SPIN_LOCK_IRQ, &arg);
}
RTAI_PROTO(void, rt_spin_unlock_irq,(void *lock))
{
struct { void *lock; } arg = { lock };
rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _SPIN_UNLOCK_IRQ, &arg);
}
RTAI_PROTO(unsigned long, rt_spin_lock_irqsave,(void *lock))
{
struct { void *lock; } arg = { lock };
return rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _SPIN_LOCK_IRQSV, &arg).i[LOW];
}
RTAI_PROTO(void, rt_spin_unlock_irqrestore,(unsigned long flags, void *lock))
{
struct { unsigned long flags; void *lock; } arg = { flags, lock };
rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _SPIN_UNLOCK_IRQRST, &arg);
}
RTAI_PROTO(void, rt_global_cli,(void))
{
struct { int dummy; } arg = { 0 };
rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _GLB_CLI, &arg);
}
RTAI_PROTO(void, rt_global_sti,(void))
{
struct { int dummy; } arg = { 0 };
rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _GLB_STI, &arg);
}
RTAI_PROTO(unsigned long, rt_global_save_flags_and_cli,(void))
{
struct { int dummy; } arg = { 0 };
return rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _GLB_SVFLAGS_CLI, &arg).i[LOW];
}
RTAI_PROTO(unsigned long, rt_global_save_flags,(void))
{
struct { int dummy; } arg = { 0 };
return rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _GLB_SVFLAGS, &arg).i[LOW];
}
RTAI_PROTO(void, rt_global_restore_flags,(unsigned long flags))
{
struct { unsigned long flags; } arg = { flags };
rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _GLB_RSTFLAGS, &arg);
}
RTAI_PROTO(void, hard_cli,(void))
{
struct { int dummy; } arg = { 0 };
rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _CLI, &arg);
}
RTAI_PROTO(void, hard_sti,(void))
{
struct { int dummy; } arg = { 0 };
rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _STI, &arg);
}
RTAI_PROTO(unsigned long, hard_save_flags_and_cli,(void))
{
struct { int dummy; } arg = { 0 };
return rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _SVFLAGS_CLI, &arg).i[LOW];
}
RTAI_PROTO(unsigned long, hard_save_flags,(void))
{
struct { int dummy; } arg = { 0 };
return rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _SVFLAGS, &arg).i[LOW];
}
RTAI_PROTO(void, hard_restore_flags,(unsigned long flags))
{
struct { unsigned long flags; } arg = { flags };
rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _RSTFLAGS, &arg);
}
RTAI_PROTO(int, rt_wait_intr,(void *sem, unsigned long *irq))
{
unsigned long lirq;
int retval;
struct { void *sem; unsigned long *lirq; int size; } arg = { sem, &lirq, sizeof(unsigned long *) };
retval = rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _WAIT_INTR, &arg).i[LOW];
if (irq) {
*irq = lirq;
}
return retval;
}
RTAI_PROTO(int, rt_wait_intr_if,(void *sem, unsigned long *irq))
{
unsigned long lirq;
int retval;
struct { void *sem; unsigned long *lirq; int size; } arg = { sem, &lirq, sizeof(unsigned long *) };
retval = rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _WAIT_INTR_IF, &arg).i[LOW];
if (irq) {
*irq = lirq;
}
return retval;
}
RTAI_PROTO(int, rt_wait_intr_until,(void *sem, RTIME until, unsigned long *irq))
{
unsigned long lirq;
int retval;
struct { void *sem; RTIME until; unsigned long *lirq; int size; } arg = { sem, until, &lirq, sizeof(unsigned long *) };
retval = rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _WAIT_INTR_UNTIL, &arg).i[LOW];
if (irq) {
*irq = lirq;
}
return retval;
}
RTAI_PROTO(int, rt_wait_intr_timed,(void *sem, RTIME delay, unsigned long *irq))
{
unsigned long lirq;
int retval;
struct { void *sem; RTIME delay; unsigned long *lirq; int size; } arg = { sem, delay, &lirq, sizeof(unsigned long *) };
retval = rtai_lxrt(FUN_USI_LXRT_INDX, SIZARG, _WAIT_INTR_TIMED, &arg).i[LOW];
if (irq) {
*irq = lirq;
}
return retval;
}
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __KERNEL__ */
#endif /* !_RTAI_USI_H */
|
