82 lines
2.2 KiB
C
82 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Utility definitions for MIDI 2.0 function
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*/
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#ifndef U_MIDI2_H
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#define U_MIDI2_H
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#include <linux/usb/composite.h>
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#include <sound/asound.h>
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struct f_midi2_opts;
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struct f_midi2_ep_opts;
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struct f_midi2_block_opts;
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/* UMP Function Block info */
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struct f_midi2_block_info {
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unsigned int direction; /* FB direction: 1-3 */
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unsigned int first_group; /* first UMP group: 0-15 */
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unsigned int num_groups; /* number of UMP groups: 1-16 */
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unsigned int midi1_first_group; /* first UMP group for MIDI 1.0 */
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unsigned int midi1_num_groups; /* number of UMP groups for MIDI 1.0 */
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unsigned int ui_hint; /* UI-hint: 0-3 */
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unsigned int midi_ci_version; /* MIDI-CI version: 0-255 */
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unsigned int sysex8_streams; /* number of sysex8 streams: 0-255 */
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unsigned int is_midi1; /* MIDI 1.0 port: 0-2 */
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bool active; /* FB active flag: bool */
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const char *name; /* FB name */
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};
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/* UMP Endpoint info */
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struct f_midi2_ep_info {
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unsigned int protocol_caps; /* protocol capabilities: 1-3 */
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unsigned int protocol; /* default protocol: 1-2 */
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unsigned int manufacturer; /* manufacturer id: 0-0xffffff */
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unsigned int family; /* device family id: 0-0xffff */
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unsigned int model; /* device model id: 0x-0xffff */
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unsigned int sw_revision; /* software revision: 32bit */
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const char *ep_name; /* Endpoint name */
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const char *product_id; /* Product ID */
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};
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struct f_midi2_card_info {
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bool process_ump; /* process UMP stream: bool */
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bool static_block; /* static FBs: bool */
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unsigned int req_buf_size; /* request buffer size */
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unsigned int num_reqs; /* number of requests */
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const char *iface_name; /* interface name */
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};
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struct f_midi2_block_opts {
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struct config_group group;
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unsigned int id;
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struct f_midi2_block_info info;
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struct f_midi2_ep_opts *ep;
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};
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struct f_midi2_ep_opts {
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struct config_group group;
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unsigned int index;
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struct f_midi2_ep_info info;
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struct f_midi2_block_opts *blks[SNDRV_UMP_MAX_BLOCKS];
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struct f_midi2_opts *opts;
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};
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#define MAX_UMP_EPS 4
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#define MAX_CABLES 16
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struct f_midi2_opts {
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struct usb_function_instance func_inst;
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struct mutex lock;
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int refcnt;
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struct f_midi2_card_info info;
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unsigned int num_eps;
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struct f_midi2_ep_opts *eps[MAX_UMP_EPS];
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};
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#endif /* U_MIDI2_H */
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