1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef SOUND_FIREWIRE_PACKETS_BUFFER_H_INCLUDED
 3#define SOUND_FIREWIRE_PACKETS_BUFFER_H_INCLUDED
 4
 5#include <linux/dma-mapping.h>
 6#include <linux/firewire.h>
 7
 8/**
 9 * struct iso_packets_buffer - manages a buffer for many packets
10 * @iso_buffer: the memory containing the packets
11 * @packets: an array, with each element pointing to one packet
12 */
13struct iso_packets_buffer {
14	struct fw_iso_buffer iso_buffer;
15	struct {
16		void *buffer;
17		unsigned int offset;
18	} *packets;
19};
20
21int iso_packets_buffer_init(struct iso_packets_buffer *b, struct fw_unit *unit,
22			    unsigned int count, unsigned int packet_size,
23			    enum dma_data_direction direction);
24void iso_packets_buffer_destroy(struct iso_packets_buffer *b,
25				struct fw_unit *unit);
26
27#endif

 
 1#ifndef SOUND_FIREWIRE_PACKETS_BUFFER_H_INCLUDED
 2#define SOUND_FIREWIRE_PACKETS_BUFFER_H_INCLUDED
 3
 4#include <linux/dma-mapping.h>
 5#include <linux/firewire.h>
 6
 7/**
 8 * struct iso_packets_buffer - manages a buffer for many packets
 9 * @iso_buffer: the memory containing the packets
10 * @packets: an array, with each element pointing to one packet
11 */
12struct iso_packets_buffer {
13	struct fw_iso_buffer iso_buffer;
14	struct {
15		void *buffer;
16		unsigned int offset;
17	} *packets;
18};
19
20int iso_packets_buffer_init(struct iso_packets_buffer *b, struct fw_unit *unit,
21			    unsigned int count, unsigned int packet_size,
22			    enum dma_data_direction direction);
23void iso_packets_buffer_destroy(struct iso_packets_buffer *b,
24				struct fw_unit *unit);
25
26#endif