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/* $OpenBSD: umidivar.h,v 1.7 2002/11/11 02:32:32 nate Exp $ */
/* $NetBSD: umidivar.h,v 1.5 2002/09/12 21:00:42 augustss Exp $ */
/*
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Takuya SHIOZAKI (tshiozak@netbsd.org).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/* pending MUX-MIDI packet */
typedef enum {
PS_EXCL_0=-2, /* put, and next state is PS_EXCL_0 */
PS_END=-1, /* put, and next state is PS_INITIAL */
PS_INITIAL=0, /* 0>= : not put, and state is keeped */
PS_NORMAL_1OF3=1,
PS_NORMAL_2OF3=2,
PS_NORMAL_1OF2=3,
PS_EXCL_1=4,
PS_EXCL_2=5
} packet_state_t;
#define UMIDI_PACKET_SIZE 4
struct umidi_packet {
char buffer[UMIDI_PACKET_SIZE];
packet_state_t state;
};
/*
* hierarchie
*
* <-- parent child -->
*
* umidi(sc) -> endpoint -> jack <- (dynamically assignable) - mididev
* ^ | ^ |
* +-----+ +-----+
*/
/* midi device */
struct umidi_mididev {
struct umidi_softc *sc;
struct device *mdev;
/* */
struct umidi_jack *in_jack;
struct umidi_jack *out_jack;
/* */
int opened;
int flags;
};
/* Jack Information */
struct umidi_jack {
struct umidi_endpoint *endpoint;
/* */
int cable_number;
struct umidi_packet packet;
void *arg;
int binded;
int opened;
union {
struct {
void (*intr)(void *);
LIST_ENTRY(umidi_jack) queue_entry;
} out;
struct {
void (*intr)(void *, int);
} in;
} u;
};
#define UMIDI_MAX_EPJACKS 16
/* endpoint data */
struct umidi_endpoint {
struct umidi_softc *sc;
/* */
int addr;
usbd_pipe_handle pipe;
usbd_xfer_handle xfer;
char *buffer;
int num_open;
int num_jacks;
struct umidi_jack *jacks[UMIDI_MAX_EPJACKS];
LIST_HEAD(, umidi_jack) queue_head;
struct umidi_jack *queue_tail;
};
/* software context */
struct umidi_softc {
USBBASEDEVICE sc_dev;
usbd_device_handle sc_udev;
usbd_interface_handle sc_iface;
struct umidi_quirk *sc_quirk;
int sc_dying;
int sc_out_num_jacks;
struct umidi_jack *sc_out_jacks;
int sc_in_num_jacks;
struct umidi_jack *sc_in_jacks;
struct umidi_jack *sc_jacks;
int sc_num_mididevs;
struct umidi_mididev *sc_mididevs;
int sc_out_num_endpoints;
struct umidi_endpoint *sc_out_ep;
int sc_in_num_endpoints;
struct umidi_endpoint *sc_in_ep;
struct umidi_endpoint *sc_endpoints;
};
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