95 lines
3.5 KiB
C
95 lines
3.5 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
/*
|
||
|
|
* <linux/usb/midi-v2.h> -- USB MIDI 2.0 definitions.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __LINUX_USB_MIDI_V2_H
|
||
|
|
#define __LINUX_USB_MIDI_V2_H
|
||
|
|
|
||
|
|
#include <linux/types.h>
|
||
|
|
#include <linux/usb/midi.h>
|
||
|
|
|
||
|
|
/* A.1 MS Class-Specific Interface Descriptor Types */
|
||
|
|
#define USB_DT_CS_GR_TRM_BLOCK 0x26
|
||
|
|
|
||
|
|
/* A.1 MS Class-Specific Interface Descriptor Subtypes */
|
||
|
|
/* same as MIDI 1.0 */
|
||
|
|
|
||
|
|
/* A.2 MS Class-Specific Endpoint Descriptor Subtypes */
|
||
|
|
#define USB_MS_GENERAL_2_0 0x02
|
||
|
|
|
||
|
|
/* A.3 MS Class-Specific Group Terminal Block Descriptor Subtypes */
|
||
|
|
#define USB_MS_GR_TRM_BLOCK_UNDEFINED 0x00
|
||
|
|
#define USB_MS_GR_TRM_BLOCK_HEADER 0x01
|
||
|
|
#define USB_MS_GR_TRM_BLOCK 0x02
|
||
|
|
|
||
|
|
/* A.4 MS Interface Header MIDIStreaming Class Revision */
|
||
|
|
#define USB_MS_REV_MIDI_1_0 0x0100
|
||
|
|
#define USB_MS_REV_MIDI_2_0 0x0200
|
||
|
|
|
||
|
|
/* A.5 MS MIDI IN and OUT Jack Types */
|
||
|
|
/* same as MIDI 1.0 */
|
||
|
|
|
||
|
|
/* A.6 Group Terminal Block Types */
|
||
|
|
#define USB_MS_GR_TRM_BLOCK_TYPE_BIDIRECTIONAL 0x00
|
||
|
|
#define USB_MS_GR_TRM_BLOCK_TYPE_INPUT_ONLY 0x01
|
||
|
|
#define USB_MS_GR_TRM_BLOCK_TYPE_OUTPUT_ONLY 0x02
|
||
|
|
|
||
|
|
/* A.7 Group Terminal Default MIDI Protocol */
|
||
|
|
#define USB_MS_MIDI_PROTO_UNKNOWN 0x00 /* Unknown (Use MIDI-CI) */
|
||
|
|
#define USB_MS_MIDI_PROTO_1_0_64 0x01 /* MIDI 1.0, UMP up to 64bits */
|
||
|
|
#define USB_MS_MIDI_PROTO_1_0_64_JRTS 0x02 /* MIDI 1.0, UMP up to 64bits, Jitter Reduction Timestamps */
|
||
|
|
#define USB_MS_MIDI_PROTO_1_0_128 0x03 /* MIDI 1.0, UMP up to 128bits */
|
||
|
|
#define USB_MS_MIDI_PROTO_1_0_128_JRTS 0x04 /* MIDI 1.0, UMP up to 128bits, Jitter Reduction Timestamps */
|
||
|
|
#define USB_MS_MIDI_PROTO_2_0 0x11 /* MIDI 2.0 */
|
||
|
|
#define USB_MS_MIDI_PROTO_2_0_JRTS 0x12 /* MIDI 2.0, Jitter Reduction Timestamps */
|
||
|
|
|
||
|
|
/* 5.2.2.1 Class-Specific MS Interface Header Descriptor */
|
||
|
|
/* Same as MIDI 1.0, use struct usb_ms_header_descriptor */
|
||
|
|
|
||
|
|
/* 5.3.2 Class-Specific MIDI Streaming Data Endpoint Descriptor */
|
||
|
|
struct usb_ms20_endpoint_descriptor {
|
||
|
|
__u8 bLength; /* 4+n */
|
||
|
|
__u8 bDescriptorType; /* USB_DT_CS_ENDPOINT */
|
||
|
|
__u8 bDescriptorSubtype; /* USB_MS_GENERAL_2_0 */
|
||
|
|
__u8 bNumGrpTrmBlock; /* Number of Group Terminal Blocks: n */
|
||
|
|
__u8 baAssoGrpTrmBlkID[]; /* ID of the Group Terminal Blocks [n] */
|
||
|
|
} __packed;
|
||
|
|
|
||
|
|
#define USB_DT_MS20_ENDPOINT_SIZE(n) (4 + (n))
|
||
|
|
|
||
|
|
/* As above, but more useful for defining your own descriptors: */
|
||
|
|
#define DECLARE_USB_MS20_ENDPOINT_DESCRIPTOR(n) \
|
||
|
|
struct usb_ms20_endpoint_descriptor_##n { \
|
||
|
|
__u8 bLength; \
|
||
|
|
__u8 bDescriptorType; \
|
||
|
|
__u8 bDescriptorSubtype; \
|
||
|
|
__u8 bNumGrpTrmBlock; \
|
||
|
|
__u8 baAssoGrpTrmBlkID[n]; \
|
||
|
|
} __packed
|
||
|
|
|
||
|
|
/* 5.4.1 Class-Specific Group Terminal Block Header Descriptor */
|
||
|
|
struct usb_ms20_gr_trm_block_header_descriptor {
|
||
|
|
__u8 bLength; /* 5 */
|
||
|
|
__u8 bDescriptorType; /* USB_DT_CS_GR_TRM_BLOCK */
|
||
|
|
__u8 bDescriptorSubtype; /* USB_MS_GR_TRM_BLOCK_HEADER */
|
||
|
|
__le16 wTotalLength; /* Total number of bytes */
|
||
|
|
} __packed;
|
||
|
|
|
||
|
|
/* 5.4.2.1 Group Terminal Block Descriptor */
|
||
|
|
struct usb_ms20_gr_trm_block_descriptor {
|
||
|
|
__u8 bLength; /* 13 */
|
||
|
|
__u8 bDescriptorType; /* USB_DT_CS_GR_TRM_BLOCK */
|
||
|
|
__u8 bDescriptorSubtype; /* USB_MS_GR_TRM_BLOCK */
|
||
|
|
__u8 bGrpTrmBlkID; /* ID of this Group Terminal Block */
|
||
|
|
__u8 bGrpTrmBlkType; /* Group Terminal Block Type */
|
||
|
|
__u8 nGroupTrm; /* The first member Group Terminal in this block */
|
||
|
|
__u8 nNumGroupTrm; /* Number of member Group Terminals spanned */
|
||
|
|
__u8 iBlockItem; /* String ID of Block item */
|
||
|
|
__u8 bMIDIProtocol; /* Default MIDI protocol */
|
||
|
|
__le16 wMaxInputBandwidth; /* Max input bandwidth capability in 4kB/s */
|
||
|
|
__le16 wMaxOutputBandwidth; /* Max output bandwidth capability in 4kB/s */
|
||
|
|
} __packed;
|
||
|
|
|
||
|
|
#endif /* __LINUX_USB_MIDI_V2_H */
|