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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /sound/firewire/oxfw/oxfw.h
Initial import
Diffstat (limited to 'sound/firewire/oxfw/oxfw.h')
-rw-r--r--sound/firewire/oxfw/oxfw.h146
1 files changed, 146 insertions, 0 deletions
diff --git a/sound/firewire/oxfw/oxfw.h b/sound/firewire/oxfw/oxfw.h
new file mode 100644
index 000000000..cace5ad4f
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+++ b/sound/firewire/oxfw/oxfw.h
@@ -0,0 +1,146 @@
+/*
+ * 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 <linux/compat.h>
+
+#include <sound/control.h>
+#include <sound/core.h>
+#include <sound/initval.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/info.h>
+#include <sound/rawmidi.h>
+#include <sound/firewire.h>
+#include <sound/hwdep.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 *vendor_name;
+ const char *model_name;
+ unsigned int mixer_channels;
+ u8 mute_fb_id;
+ u8 volume_fb_id;
+};
+
+/* This is an arbitrary number for convinience. */
+#define SND_OXFW_STREAM_FORMAT_ENTRIES 10
+struct snd_oxfw {
+ struct snd_card *card;
+ struct fw_unit *unit;
+ const struct device_info *device_info;
+ struct mutex mutex;
+ spinlock_t lock;
+
+ bool has_output;
+ u8 *tx_stream_formats[SND_OXFW_STREAM_FORMAT_ENTRIES];
+ u8 *rx_stream_formats[SND_OXFW_STREAM_FORMAT_ENTRIES];
+ bool assumed;
+ struct cmp_connection out_conn;
+ struct cmp_connection in_conn;
+ struct amdtp_stream tx_stream;
+ struct amdtp_stream rx_stream;
+ unsigned int capture_substreams;
+ unsigned int playback_substreams;
+
+ unsigned int midi_input_ports;
+ unsigned int midi_output_ports;
+
+ bool mute;
+ s16 volume[6];
+ s16 volume_min;
+ s16 volume_max;
+
+ int dev_lock_count;
+ bool dev_lock_changed;
+ wait_queue_head_t hwdep_wait;
+};
+
+/*
+ * AV/C Stream Format Information Specification 1.1 Working Draft
+ * (Apr 2005, 1394TA)
+ */
+int avc_stream_set_format(struct fw_unit *unit, enum avc_general_plug_dir dir,
+ unsigned int pid, u8 *format, unsigned int len);
+int avc_stream_get_format(struct fw_unit *unit,
+ enum avc_general_plug_dir dir, unsigned int pid,
+ u8 *buf, unsigned int *len, unsigned int eid);
+static inline int
+avc_stream_get_format_single(struct fw_unit *unit,
+ enum avc_general_plug_dir dir, unsigned int pid,
+ u8 *buf, unsigned int *len)
+{
+ return avc_stream_get_format(unit, dir, pid, buf, len, 0xff);
+}
+static inline int
+avc_stream_get_format_list(struct fw_unit *unit,
+ enum avc_general_plug_dir dir, unsigned int pid,
+ u8 *buf, unsigned int *len,
+ unsigned int eid)
+{
+ return avc_stream_get_format(unit, dir, pid, buf, len, eid);
+}
+
+/*
+ * AV/C Digital Interface Command Set General Specification 4.2
+ * (Sep 2004, 1394TA)
+ */
+int avc_general_inquiry_sig_fmt(struct fw_unit *unit, unsigned int rate,
+ enum avc_general_plug_dir dir,
+ unsigned short pid);
+
+int snd_oxfw_stream_init_simplex(struct snd_oxfw *oxfw,
+ struct amdtp_stream *stream);
+int snd_oxfw_stream_start_simplex(struct snd_oxfw *oxfw,
+ struct amdtp_stream *stream,
+ unsigned int rate, unsigned int pcm_channels);
+void snd_oxfw_stream_stop_simplex(struct snd_oxfw *oxfw,
+ struct amdtp_stream *stream);
+void snd_oxfw_stream_destroy_simplex(struct snd_oxfw *oxfw,
+ struct amdtp_stream *stream);
+void snd_oxfw_stream_update_simplex(struct snd_oxfw *oxfw,
+ struct amdtp_stream *stream);
+
+struct snd_oxfw_stream_formation {
+ unsigned int rate;
+ unsigned int pcm;
+ unsigned int midi;
+};
+int snd_oxfw_stream_parse_format(u8 *format,
+ struct snd_oxfw_stream_formation *formation);
+int snd_oxfw_stream_get_current_formation(struct snd_oxfw *oxfw,
+ enum avc_general_plug_dir dir,
+ struct snd_oxfw_stream_formation *formation);
+
+int snd_oxfw_stream_discover(struct snd_oxfw *oxfw);
+
+void snd_oxfw_stream_lock_changed(struct snd_oxfw *oxfw);
+int snd_oxfw_stream_lock_try(struct snd_oxfw *oxfw);
+void snd_oxfw_stream_lock_release(struct snd_oxfw *oxfw);
+
+int snd_oxfw_create_pcm(struct snd_oxfw *oxfw);
+
+int snd_oxfw_create_mixer(struct snd_oxfw *oxfw);
+
+void snd_oxfw_proc_init(struct snd_oxfw *oxfw);
+
+int snd_oxfw_create_midi(struct snd_oxfw *oxfw);
+
+int snd_oxfw_create_hwdep(struct snd_oxfw *oxfw);