Files
SDK_SG200x_V2/linux_5.10/sound/firewire/packets-buffer.h
carbon 0545e9dc6d init version 2024-05-07
commit d1edce71135cc6d98c0a4b5729774542b676e769
Author: sophgo-forum-service <forum_service@sophgo.com>
Date:   Fri Mar 15 16:07:33 2024 +0800

    [fix] recommend using ssh method to clone repo.
    [fix] fix sensor driver repo branch name.
2024-05-07 19:36:36 +08:00

28 lines
786 B
C

/* 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