2 * oxfw.h - a part of driver for OXFW970/971 based devices
4 * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
5 * Licensed under the terms of the GNU General Public License, version 2.
8 #include <linux/device.h>
9 #include <linux/firewire.h>
10 #include <linux/firewire-constants.h>
11 #include <linux/module.h>
12 #include <linux/mod_devicetable.h>
13 #include <linux/mutex.h>
14 #include <linux/slab.h>
15 #include <linux/compat.h>
17 #include <sound/control.h>
18 #include <sound/core.h>
19 #include <sound/initval.h>
20 #include <sound/pcm.h>
21 #include <sound/pcm_params.h>
22 #include <sound/info.h>
23 #include <sound/rawmidi.h>
24 #include <sound/firewire.h>
25 #include <sound/hwdep.h>
29 #include "../packets-buffer.h"
30 #include "../iso-resources.h"
31 #include "../amdtp-am824.h"
35 const char *driver_name;
36 const char *vendor_name;
37 const char *model_name;
38 unsigned int mixer_channels;
43 /* This is an arbitrary number for convinience. */
44 #define SND_OXFW_STREAM_FORMAT_ENTRIES 10
46 struct snd_card *card;
48 const struct device_info *device_info;
54 u8 *tx_stream_formats[SND_OXFW_STREAM_FORMAT_ENTRIES];
55 u8 *rx_stream_formats[SND_OXFW_STREAM_FORMAT_ENTRIES];
57 struct cmp_connection out_conn;
58 struct cmp_connection in_conn;
59 struct amdtp_stream tx_stream;
60 struct amdtp_stream rx_stream;
61 unsigned int capture_substreams;
62 unsigned int playback_substreams;
64 unsigned int midi_input_ports;
65 unsigned int midi_output_ports;
73 bool dev_lock_changed;
74 wait_queue_head_t hwdep_wait;
78 * AV/C Stream Format Information Specification 1.1 Working Draft
81 int avc_stream_set_format(struct fw_unit *unit, enum avc_general_plug_dir dir,
82 unsigned int pid, u8 *format, unsigned int len);
83 int avc_stream_get_format(struct fw_unit *unit,
84 enum avc_general_plug_dir dir, unsigned int pid,
85 u8 *buf, unsigned int *len, unsigned int eid);
87 avc_stream_get_format_single(struct fw_unit *unit,
88 enum avc_general_plug_dir dir, unsigned int pid,
89 u8 *buf, unsigned int *len)
91 return avc_stream_get_format(unit, dir, pid, buf, len, 0xff);
94 avc_stream_get_format_list(struct fw_unit *unit,
95 enum avc_general_plug_dir dir, unsigned int pid,
96 u8 *buf, unsigned int *len,
99 return avc_stream_get_format(unit, dir, pid, buf, len, eid);
103 * AV/C Digital Interface Command Set General Specification 4.2
106 int avc_general_inquiry_sig_fmt(struct fw_unit *unit, unsigned int rate,
107 enum avc_general_plug_dir dir,
110 int snd_oxfw_stream_init_simplex(struct snd_oxfw *oxfw,
111 struct amdtp_stream *stream);
112 int snd_oxfw_stream_start_simplex(struct snd_oxfw *oxfw,
113 struct amdtp_stream *stream,
114 unsigned int rate, unsigned int pcm_channels);
115 void snd_oxfw_stream_stop_simplex(struct snd_oxfw *oxfw,
116 struct amdtp_stream *stream);
117 void snd_oxfw_stream_destroy_simplex(struct snd_oxfw *oxfw,
118 struct amdtp_stream *stream);
119 void snd_oxfw_stream_update_simplex(struct snd_oxfw *oxfw,
120 struct amdtp_stream *stream);
122 struct snd_oxfw_stream_formation {
127 int snd_oxfw_stream_parse_format(u8 *format,
128 struct snd_oxfw_stream_formation *formation);
129 int snd_oxfw_stream_get_current_formation(struct snd_oxfw *oxfw,
130 enum avc_general_plug_dir dir,
131 struct snd_oxfw_stream_formation *formation);
133 int snd_oxfw_stream_discover(struct snd_oxfw *oxfw);
135 void snd_oxfw_stream_lock_changed(struct snd_oxfw *oxfw);
136 int snd_oxfw_stream_lock_try(struct snd_oxfw *oxfw);
137 void snd_oxfw_stream_lock_release(struct snd_oxfw *oxfw);
139 int snd_oxfw_create_pcm(struct snd_oxfw *oxfw);
141 int snd_oxfw_create_mixer(struct snd_oxfw *oxfw);
143 void snd_oxfw_proc_init(struct snd_oxfw *oxfw);
145 int snd_oxfw_create_midi(struct snd_oxfw *oxfw);
147 int snd_oxfw_create_hwdep(struct snd_oxfw *oxfw);