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
|
/*
* Copyright 2007 Free Software Foundation, Inc.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "memory_map.h"
#include "buffer_pool.h"
#include "hal_io.h"
void
bp_init(void)
{
int i;
bp_disable_port(PORT_SERDES);
bp_disable_port(PORT_DSP);
bp_disable_port(PORT_ETH);
bp_disable_port(PORT_RAM);
for (i = 0; i < NBUFFERS; i++)
bp_clear_buf(i);
}
#ifndef INLINE_BUFFER_POOL
void
bp_clear_buf(int bufnum)
{
buffer_pool_ctrl->ctrl = BPC_BUFFER(bufnum) | BPC_PORT_NIL | BPC_CLR;
}
void
bp_disable_port(int portnum)
{
// disable buffer connections to this port
buffer_pool_ctrl->ctrl = BPC_BUFFER_NIL | BPC_PORT(portnum);
}
void
bp_receive_to_buf(int bufnum, int port, int step, int fl, int ll)
{
buffer_pool_ctrl->ctrl = (BPC_READ
| BPC_BUFFER(bufnum)
| BPC_PORT(port)
| BPC_STEP(step)
| BPC_FIRST_LINE(fl)
| BPC_LAST_LINE(ll));
}
void
bp_send_from_buf(int bufnum, int port, int step, int fl, int ll)
{
buffer_pool_ctrl->ctrl = (BPC_WRITE
| BPC_BUFFER(bufnum)
| BPC_PORT(port)
| BPC_STEP(step)
| BPC_FIRST_LINE(fl)
| BPC_LAST_LINE(ll));
}
#endif
|