/* SPDX-License-Identifier: GPL-2.0 */
|
#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
|
