1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * oxfw.h - a part of driver for OXFW970/971 based devices
5 * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
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>
16 #include <linux/sched/signal.h>
18 #include <sound/control.h>
19 #include <sound/core.h>
20 #include <sound/initval.h>
21 #include <sound/pcm.h>
22 #include <sound/pcm_params.h>
23 #include <sound/info.h>
24 #include <sound/rawmidi.h>
25 #include <sound/firewire.h>
26 #include <sound/hwdep.h>
30 #include "../packets-buffer.h"
31 #include "../iso-resources.h"
32 #include "../amdtp-am824.h"
35 /* This is an arbitrary number for convinience. */
36 #define SND_OXFW_STREAM_FORMAT_ENTRIES 10
38 struct snd_card *card;
44 struct delayed_work dwork;
49 u8 *tx_stream_formats[SND_OXFW_STREAM_FORMAT_ENTRIES];
50 u8 *rx_stream_formats[SND_OXFW_STREAM_FORMAT_ENTRIES];
52 struct cmp_connection out_conn;
53 struct cmp_connection in_conn;
54 struct amdtp_stream tx_stream;
55 struct amdtp_stream rx_stream;
56 unsigned int substreams_count;
58 unsigned int midi_input_ports;
59 unsigned int midi_output_ports;
62 bool dev_lock_changed;
63 wait_queue_head_t hwdep_wait;
65 const struct ieee1394_device_id *entry;
68 struct amdtp_domain domain;
72 * AV/C Stream Format Information Specification 1.1 Working Draft
75 int avc_stream_set_format(struct fw_unit *unit, enum avc_general_plug_dir dir,
76 unsigned int pid, u8 *format, unsigned int len);
77 int avc_stream_get_format(struct fw_unit *unit,
78 enum avc_general_plug_dir dir, unsigned int pid,
79 u8 *buf, unsigned int *len, unsigned int eid);
81 avc_stream_get_format_single(struct fw_unit *unit,
82 enum avc_general_plug_dir dir, unsigned int pid,
83 u8 *buf, unsigned int *len)
85 return avc_stream_get_format(unit, dir, pid, buf, len, 0xff);
88 avc_stream_get_format_list(struct fw_unit *unit,
89 enum avc_general_plug_dir dir, unsigned int pid,
90 u8 *buf, unsigned int *len,
93 return avc_stream_get_format(unit, dir, pid, buf, len, eid);
97 * AV/C Digital Interface Command Set General Specification 4.2
100 int avc_general_inquiry_sig_fmt(struct fw_unit *unit, unsigned int rate,
101 enum avc_general_plug_dir dir,
104 int snd_oxfw_stream_init_duplex(struct snd_oxfw *oxfw);
105 int snd_oxfw_stream_reserve_duplex(struct snd_oxfw *oxfw,
106 struct amdtp_stream *stream,
107 unsigned int rate, unsigned int pcm_channels,
108 unsigned int frames_per_period,
109 unsigned int frames_per_buffer);
110 int snd_oxfw_stream_start_duplex(struct snd_oxfw *oxfw);
111 void snd_oxfw_stream_stop_duplex(struct snd_oxfw *oxfw);
112 void snd_oxfw_stream_destroy_duplex(struct snd_oxfw *oxfw);
113 void snd_oxfw_stream_update_duplex(struct snd_oxfw *oxfw);
115 struct snd_oxfw_stream_formation {
120 int snd_oxfw_stream_parse_format(u8 *format,
121 struct snd_oxfw_stream_formation *formation);
122 int snd_oxfw_stream_get_current_formation(struct snd_oxfw *oxfw,
123 enum avc_general_plug_dir dir,
124 struct snd_oxfw_stream_formation *formation);
126 int snd_oxfw_stream_discover(struct snd_oxfw *oxfw);
128 void snd_oxfw_stream_lock_changed(struct snd_oxfw *oxfw);
129 int snd_oxfw_stream_lock_try(struct snd_oxfw *oxfw);
130 void snd_oxfw_stream_lock_release(struct snd_oxfw *oxfw);
132 int snd_oxfw_create_pcm(struct snd_oxfw *oxfw);
134 void snd_oxfw_proc_init(struct snd_oxfw *oxfw);
136 int snd_oxfw_create_midi(struct snd_oxfw *oxfw);
138 int snd_oxfw_create_hwdep(struct snd_oxfw *oxfw);
140 int snd_oxfw_add_spkr(struct snd_oxfw *oxfw, bool is_lacie);
141 int snd_oxfw_scs1x_add(struct snd_oxfw *oxfw);
142 void snd_oxfw_scs1x_update(struct snd_oxfw *oxfw);