1 | // SPDX-License-Identifier: GPL-2.0+ |
2 | /* |
3 | * Utility definitions for MIDI 2.0 function |
4 | */ |
5 | |
6 | #ifndef U_MIDI2_H |
7 | #define U_MIDI2_H |
8 | |
9 | #include <linux/usb/composite.h> |
10 | #include <sound/asound.h> |
11 | |
12 | struct f_midi2_opts; |
13 | struct f_midi2_ep_opts; |
14 | struct f_midi2_block_opts; |
15 | |
16 | /* UMP Function Block info */ |
17 | struct f_midi2_block_info { |
18 | unsigned int direction; /* FB direction: 1-3 */ |
19 | unsigned int first_group; /* first UMP group: 0-15 */ |
20 | unsigned int num_groups; /* number of UMP groups: 1-16 */ |
21 | unsigned int midi1_first_group; /* first UMP group for MIDI 1.0 */ |
22 | unsigned int midi1_num_groups; /* number of UMP groups for MIDI 1.0 */ |
23 | unsigned int ui_hint; /* UI-hint: 0-3 */ |
24 | unsigned int midi_ci_version; /* MIDI-CI version: 0-255 */ |
25 | unsigned int sysex8_streams; /* number of sysex8 streams: 0-255 */ |
26 | unsigned int is_midi1; /* MIDI 1.0 port: 0-2 */ |
27 | bool active; /* FB active flag: bool */ |
28 | const char *name; /* FB name */ |
29 | }; |
30 | |
31 | /* UMP Endpoint info */ |
32 | struct f_midi2_ep_info { |
33 | unsigned int protocol_caps; /* protocol capabilities: 1-3 */ |
34 | unsigned int protocol; /* default protocol: 1-2 */ |
35 | unsigned int manufacturer; /* manufacturer id: 0-0xffffff */ |
36 | unsigned int family; /* device family id: 0-0xffff */ |
37 | unsigned int model; /* device model id: 0x-0xffff */ |
38 | unsigned int sw_revision; /* software revision: 32bit */ |
39 | |
40 | const char *ep_name; /* Endpoint name */ |
41 | const char *product_id; /* Product ID */ |
42 | }; |
43 | |
44 | struct f_midi2_card_info { |
45 | bool process_ump; /* process UMP stream: bool */ |
46 | bool static_block; /* static FBs: bool */ |
47 | unsigned int req_buf_size; /* request buffer size */ |
48 | unsigned int num_reqs; /* number of requests */ |
49 | const char *iface_name; /* interface name */ |
50 | }; |
51 | |
52 | struct f_midi2_block_opts { |
53 | struct config_group group; |
54 | unsigned int id; |
55 | struct f_midi2_block_info info; |
56 | struct f_midi2_ep_opts *ep; |
57 | }; |
58 | |
59 | struct f_midi2_ep_opts { |
60 | struct config_group group; |
61 | unsigned int index; |
62 | struct f_midi2_ep_info info; |
63 | struct f_midi2_block_opts *blks[SNDRV_UMP_MAX_BLOCKS]; |
64 | struct f_midi2_opts *opts; |
65 | }; |
66 | |
67 | #define MAX_UMP_EPS 4 |
68 | #define MAX_CABLES 16 |
69 | |
70 | struct f_midi2_opts { |
71 | struct usb_function_instance func_inst; |
72 | struct mutex lock; |
73 | int refcnt; |
74 | |
75 | struct f_midi2_card_info info; |
76 | |
77 | unsigned int num_eps; |
78 | struct f_midi2_ep_opts *eps[MAX_UMP_EPS]; |
79 | }; |
80 | |
81 | #endif /* U_MIDI2_H */ |
82 | |