mirror_ubuntu-kernels/drivers/usb/gadget/function/u_midi2.h

82 lines
2.2 KiB
C

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