blob: 6513c5cb6ea92aa86fdd36e3972bddf9f0081053 (
plain)
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
|
#ifndef SOUND_FIREWIRE_PACKETS_BUFFER_H_INCLUDED
#define SOUND_FIREWIRE_PACKETS_BUFFER_H_INCLUDED
#include <linux/dma-mapping.h>
#include <linux/firewire.h>
/**
* struct iso_packets_buffer - manages a buffer for many packets
* @iso_buffer: the memory containing the packets
* @packets: an array, with each element pointing to one packet
*/
struct iso_packets_buffer {
struct fw_iso_buffer iso_buffer;
struct {
void *buffer;
unsigned int offset;
} *packets;
};
int iso_packets_buffer_init(struct iso_packets_buffer *b, struct fw_unit *unit,
unsigned int count, unsigned int packet_size,
enum dma_data_direction direction);
void iso_packets_buffer_destroy(struct iso_packets_buffer *b,
struct fw_unit *unit);
#endif
|
