kernel-fxtec-pro1x/sound/firewire/oxfw/oxfw.h
Takashi Sakamoto 3713d93a6a ALSA: oxfw: Split PCM functionality to a new file
This is a help for works in followed patches.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-11-29 20:22:22 +01:00

60 lines
1.6 KiB
C

/*
* oxfw.h - a part of driver for OXFW970/971 based devices
*
* Copyright (c) Clemens Ladisch <clemens@ladisch.de>
* Licensed under the terms of the GNU General Public License, version 2.
*/
#include <linux/device.h>
#include <linux/firewire.h>
#include <linux/firewire-constants.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/mutex.h>
#include <linux/slab.h>
#include <sound/control.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include "../lib.h"
#include "../fcp.h"
#include "../packets-buffer.h"
#include "../iso-resources.h"
#include "../amdtp.h"
#include "../cmp.h"
struct device_info {
const char *driver_name;
const char *short_name;
const char *long_name;
int (*pcm_constraints)(struct snd_pcm_runtime *runtime);
unsigned int mixer_channels;
u8 mute_fb_id;
u8 volume_fb_id;
};
struct snd_oxfw {
struct snd_card *card;
struct fw_unit *unit;
const struct device_info *device_info;
struct mutex mutex;
struct cmp_connection in_conn;
struct amdtp_stream rx_stream;
bool mute;
s16 volume[6];
s16 volume_min;
s16 volume_max;
};
int snd_oxfw_stream_init_simplex(struct snd_oxfw *oxfw);
int snd_oxfw_stream_start_simplex(struct snd_oxfw *oxfw);
void snd_oxfw_stream_stop_simplex(struct snd_oxfw *oxfw);
void snd_oxfw_stream_destroy_simplex(struct snd_oxfw *oxfw);
void snd_oxfw_stream_update_simplex(struct snd_oxfw *oxfw);
int firewave_constraints(struct snd_pcm_runtime *runtime);
int lacie_speakers_constraints(struct snd_pcm_runtime *runtime);
int snd_oxfw_create_pcm(struct snd_oxfw *oxfw);