27 lines
683 B
C
27 lines
683 B
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
#ifndef SOUND_FIREWIRE_LIB_H_INCLUDED
|
||
|
|
#define SOUND_FIREWIRE_LIB_H_INCLUDED
|
||
|
|
|
||
|
|
#include <linux/firewire-constants.h>
|
||
|
|
#include <linux/types.h>
|
||
|
|
#include <linux/sched.h>
|
||
|
|
#include <sound/rawmidi.h>
|
||
|
|
|
||
|
|
struct fw_unit;
|
||
|
|
|
||
|
|
#define FW_GENERATION_MASK 0x00ff
|
||
|
|
#define FW_FIXED_GENERATION 0x0100
|
||
|
|
#define FW_QUIET 0x0200
|
||
|
|
|
||
|
|
int snd_fw_transaction(struct fw_unit *unit, int tcode,
|
||
|
|
u64 offset, void *buffer, size_t length,
|
||
|
|
unsigned int flags);
|
||
|
|
|
||
|
|
/* returns true if retrying the transaction would not make sense */
|
||
|
|
static inline bool rcode_is_permanent_error(int rcode)
|
||
|
|
{
|
||
|
|
return rcode == RCODE_TYPE_ERROR || rcode == RCODE_ADDRESS_ERROR;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|