1
2
3
4
5
6
7
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>
17
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>
27
28#include "../lib.h"
29#include "../fcp.h"
30#include "../packets-buffer.h"
31#include "../iso-resources.h"
32#include "../amdtp-am824.h"
33#include "../cmp.h"
34
35
36#define SND_OXFW_STREAM_FORMAT_ENTRIES 10
37struct snd_oxfw {
38 struct snd_card *card;
39 struct fw_unit *unit;
40 struct mutex mutex;
41 spinlock_t lock;
42
43 bool registered;
44 struct delayed_work dwork;
45
46 bool wrong_dbs;
47 bool has_output;
48 bool has_input;
49 u8 *tx_stream_formats[SND_OXFW_STREAM_FORMAT_ENTRIES];
50 u8 *rx_stream_formats[SND_OXFW_STREAM_FORMAT_ENTRIES];
51 bool assumed;
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;
57
58 unsigned int midi_input_ports;
59 unsigned int midi_output_ports;
60
61 int dev_lock_count;
62 bool dev_lock_changed;
63 wait_queue_head_t hwdep_wait;
64
65 const struct ieee1394_device_id *entry;
66 void *spec;
67
68 struct amdtp_domain domain;
69};
70
71
72
73
74
75int avc_stream_set_format(struct fw_unit *unit, enum avc_general_plug_dir dir,
76 unsigned int pid, u8 *format, unsigned int len);
77int 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);
80static inline int
81avc_stream_get_format_single(struct fw_unit *unit,
82 enum avc_general_plug_dir dir, unsigned int pid,
83 u8 *buf, unsigned int *len)
84{
85 return avc_stream_get_format(unit, dir, pid, buf, len, 0xff);
86}
87static inline int
88avc_stream_get_format_list(struct fw_unit *unit,
89 enum avc_general_plug_dir dir, unsigned int pid,
90 u8 *buf, unsigned int *len,
91 unsigned int eid)
92{
93 return avc_stream_get_format(unit, dir, pid, buf, len, eid);
94}
95
96
97
98
99
100int avc_general_inquiry_sig_fmt(struct fw_unit *unit, unsigned int rate,
101 enum avc_general_plug_dir dir,
102 unsigned short pid);
103
104int snd_oxfw_stream_init_duplex(struct snd_oxfw *oxfw);
105int 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);
110int snd_oxfw_stream_start_duplex(struct snd_oxfw *oxfw);
111void snd_oxfw_stream_stop_duplex(struct snd_oxfw *oxfw);
112void snd_oxfw_stream_destroy_duplex(struct snd_oxfw *oxfw);
113void snd_oxfw_stream_update_duplex(struct snd_oxfw *oxfw);
114
115struct snd_oxfw_stream_formation {
116 unsigned int rate;
117 unsigned int pcm;
118 unsigned int midi;
119};
120int snd_oxfw_stream_parse_format(u8 *format,
121 struct snd_oxfw_stream_formation *formation);
122int snd_oxfw_stream_get_current_formation(struct snd_oxfw *oxfw,
123 enum avc_general_plug_dir dir,
124 struct snd_oxfw_stream_formation *formation);
125
126int snd_oxfw_stream_discover(struct snd_oxfw *oxfw);
127
128void snd_oxfw_stream_lock_changed(struct snd_oxfw *oxfw);
129int snd_oxfw_stream_lock_try(struct snd_oxfw *oxfw);
130void snd_oxfw_stream_lock_release(struct snd_oxfw *oxfw);
131
132int snd_oxfw_create_pcm(struct snd_oxfw *oxfw);
133
134void snd_oxfw_proc_init(struct snd_oxfw *oxfw);
135
136int snd_oxfw_create_midi(struct snd_oxfw *oxfw);
137
138int snd_oxfw_create_hwdep(struct snd_oxfw *oxfw);
139
140int snd_oxfw_add_spkr(struct snd_oxfw *oxfw, bool is_lacie);
141int snd_oxfw_scs1x_add(struct snd_oxfw *oxfw);
142void snd_oxfw_scs1x_update(struct snd_oxfw *oxfw);
143