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