linux/sound/firewire/motu/motu-transaction.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * motu-transaction.c - a part of driver for MOTU FireWire series
 *
 * Copyright (c) 2015-2017 Takashi Sakamoto <[email protected]>
 */


#include "motu.h"

#define SND_MOTU_ADDR_BASE …
#define ASYNC_ADDR_HI …
#define ASYNC_ADDR_LO …

int snd_motu_transaction_read(struct snd_motu *motu, u32 offset, __be32 *reg,
			      size_t size)
{ … }

int snd_motu_transaction_write(struct snd_motu *motu, u32 offset, __be32 *reg,
			       size_t size)
{ … }

static void handle_message(struct fw_card *card, struct fw_request *request,
			   int tcode, int destination, int source,
			   int generation, unsigned long long offset,
			   void *data, size_t length, void *callback_data)
{ … }

int snd_motu_transaction_reregister(struct snd_motu *motu)
{ … }

int snd_motu_transaction_register(struct snd_motu *motu)
{ … }

void snd_motu_transaction_unregister(struct snd_motu *motu)
{ … }