swh:1:snp:c2847dfd741eae21606027cf29250d1ebcd63fb4
Raw File
Tip revision: 14ccee78fc82f5512908f4424f541549a5705b89 authored by Linus Torvalds on 20 August 2017, 21:13:52 UTC
Linux 4.13-rc6
Tip revision: 14ccee7
lib.h
#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;
}

void snd_fw_schedule_registration(struct fw_unit *unit,
				  struct delayed_work *dwork);

#endif
back to top