diff options
author | Takashi Sakamoto <o-takashi@sakamocchi.jp> | 2014-11-29 00:59:27 +0900 |
---|---|---|
committer | Takashi Iwai <tiwai@suse.de> | 2014-11-29 20:22:08 +0100 |
commit | e2786ca648d780d106bd8abca06746eb30d15ee7 (patch) | |
tree | f79f224d43188d2852a5341bb3b5d8c7128cb256 /sound/firewire/oxfw/oxfw.h | |
parent | 1a4e39c2e5ca2eb494a53ecd73055562f690bca0 (diff) | |
download | linux-e2786ca648d780d106bd8abca06746eb30d15ee7.tar.bz2 |
ALSA: oxfw: Split stream functionality to a new file and add a header file
This is a help for works in followed patches.
And this commit remove 'fw_unit_get()/fw_unit_put()' because these
are called by helper functions in 'snd-firewire-lib'.
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/firewire/oxfw/oxfw.h')
-rw-r--r-- | sound/firewire/oxfw/oxfw.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/sound/firewire/oxfw/oxfw.h b/sound/firewire/oxfw/oxfw.h new file mode 100644 index 000000000000..e5836e02b48c --- /dev/null +++ b/sound/firewire/oxfw/oxfw.h @@ -0,0 +1,56 @@ +/* + * 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); |