blob: 924ddd9da4025c7f026769cbf7fcb3301c70ed77 (
plain) (
blame)
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
|
/**
* @file
*
* @ingroup mpc55xx
*
* @brief Enhanced Direct Memory Access (eDMA).
*/
/*
* Copyright (c) 2008
* Embedded Brains GmbH
* Obere Lagerstr. 30
* D-82178 Puchheim
* Germany
* rtems@embedded-brains.de
*
* The license and distribution terms for this file may be found in the file
* LICENSE in this distribution or at http://www.rtems.com/license/LICENSE.
*/
#ifndef LIBCPU_POWERPC_MPC55XX_EDMA_H
#define LIBCPU_POWERPC_MPC55XX_EDMA_H
#include <stdbool.h>
#include <stdint.h>
#include <rtems.h>
#include <rtems/chain.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
typedef struct mpc55xx_edma_channel_entry {
rtems_chain_node node;
unsigned channel;
void (*done)( struct mpc55xx_edma_channel_entry *, uint32_t);
rtems_id id;
} mpc55xx_edma_channel_entry;
void mpc55xx_edma_init(void);
rtems_status_code mpc55xx_edma_obtain_channel( mpc55xx_edma_channel_entry *e, unsigned irq_priority);
void mpc55xx_edma_release_channel( mpc55xx_edma_channel_entry *e);
void mpc55xx_edma_enable_hardware_requests( unsigned channel, bool enable);
void mpc55xx_edma_enable_error_interrupts( unsigned channel, bool enable);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* LIBCPU_POWERPC_MPC55XX_EDMA_H */
|
