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"
34 /* This is an arbitrary number for convinience. */
35 #define SND_OXFW_STREAM_FORMAT_ENTRIES 10
37 struct snd_card *card;
43 struct delayed_work dwork;
47 u8 *tx_stream_formats[SND_OXFW_STREAM_FORMAT_ENTRIES];
48 u8 *rx_stream_formats[SND_OXFW_STREAM_FORMAT_ENTRIES];
50 struct cmp_connection out_conn;
51 struct cmp_connection in_conn;
52 struct amdtp_stream tx_stream;
53 struct amdtp_stream rx_stream;
54 unsigned int capture_substreams;
55 unsigned int playback_substreams;
57 unsigned int midi_input_ports;
58 unsigned int midi_output_ports;
61 bool dev_lock_changed;
62 wait_queue_head_t hwdep_wait;
64 const struct ieee1394_device_id *entry;
69 * AV/C Stream Format Information Specification 1.1 Working Draft
72 int avc_stream_set_format(struct fw_unit *unit, enum avc_general_plug_dir dir,
73 unsigned int pid, u8 *format, unsigned int len);
74 int avc_stream_get_format(struct fw_unit *unit,
75 enum avc_general_plug_dir dir, unsigned int pid,
76 u8 *buf, unsigned int *len, unsigned int eid);
78 avc_stream_get_format_single(struct fw_unit *unit,
79 enum avc_general_plug_dir dir, unsigned int pid,
80 u8 *buf, unsigned int *len)
82 return avc_stream_get_format(unit, dir, pid, buf, len, 0xff);
85 avc_stream_get_format_list(struct fw_unit *unit,
86 enum avc_general_plug_dir dir, unsigned int pid,
87 u8 *buf, unsigned int *len,
90 return avc_stream_get_format(unit, dir, pid, buf, len, eid);
94 * AV/C Digital Interface Command Set General Specification 4.2
97 int avc_general_inquiry_sig_fmt(struct fw_unit *unit, unsigned int rate,
98 enum avc_general_plug_dir dir,
101 int snd_oxfw_stream_init_simplex(struct snd_oxfw *oxfw,
102 struct amdtp_stream *stream);
103 int snd_oxfw_stream_start_simplex(struct snd_oxfw *oxfw,
104 struct amdtp_stream *stream,
105 unsigned int rate, unsigned int pcm_channels);
106 void snd_oxfw_stream_stop_simplex(struct snd_oxfw *oxfw,
107 struct amdtp_stream *stream);
108 void snd_oxfw_stream_destroy_simplex(struct snd_oxfw *oxfw,
109 struct amdtp_stream *stream);
110 void snd_oxfw_stream_update_simplex(struct snd_oxfw *oxfw,
111 struct amdtp_stream *stream);
113 struct snd_oxfw_stream_formation {
118 int snd_oxfw_stream_parse_format(u8 *format,
119 struct snd_oxfw_stream_formation *formation);
120 int snd_oxfw_stream_get_current_formation(struct snd_oxfw *oxfw,
121 enum avc_general_plug_dir dir,
122 struct snd_oxfw_stream_formation *formation);
124 int snd_oxfw_stream_discover(struct snd_oxfw *oxfw);
126 void snd_oxfw_stream_lock_changed(struct snd_oxfw *oxfw);
127 int snd_oxfw_stream_lock_try(struct snd_oxfw *oxfw);
128 void snd_oxfw_stream_lock_release(struct snd_oxfw *oxfw);
130 int snd_oxfw_create_pcm(struct snd_oxfw *oxfw);
132 void snd_oxfw_proc_init(struct snd_oxfw *oxfw);
134 int snd_oxfw_create_midi(struct snd_oxfw *oxfw);
136 int snd_oxfw_create_hwdep(struct snd_oxfw *oxfw);
138 int snd_oxfw_add_spkr(struct snd_oxfw *oxfw, bool is_lacie);
139 int snd_oxfw_scs1x_add(struct snd_oxfw *oxfw);
140 void snd_oxfw_scs1x_update(struct snd_oxfw *oxfw);