138 lines
4.0 KiB
C
138 lines
4.0 KiB
C
/* $NetBSD: umidivar.h,v 1.8 2005/12/11 12:24:01 christos Exp $ */
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/*
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Takuya SHIOZAKI (tshiozak@NetBSD.org).
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/* pending MUX-MIDI packet */
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typedef enum {
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PS_EXCL_0=-2, /* put, and next state is PS_EXCL_0 */
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PS_END=-1, /* put, and next state is PS_INITIAL */
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PS_INITIAL=0, /* 0>= : not put, and state is keeped */
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PS_NORMAL_1OF3=1,
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PS_NORMAL_2OF3=2,
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PS_NORMAL_1OF2=3,
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PS_EXCL_1=4,
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PS_EXCL_2=5
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} packet_state_t;
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#define UMIDI_PACKET_SIZE 4
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struct umidi_packet {
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char buffer[UMIDI_PACKET_SIZE];
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packet_state_t state;
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};
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/*
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* hierarchie
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*
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* <-- parent child -->
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*
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* umidi(sc) -> endpoint -> jack <- (dynamically assignable) - mididev
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* ^ | ^ |
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* +-----+ +-----+
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*/
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/* midi device */
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struct umidi_mididev {
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struct umidi_softc *sc;
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struct device *mdev;
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/* */
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struct umidi_jack *in_jack;
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struct umidi_jack *out_jack;
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/* */
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int opened;
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int flags;
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};
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/* Jack Information */
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struct umidi_jack {
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struct umidi_endpoint *endpoint;
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/* */
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int cable_number;
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struct umidi_packet packet;
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void *arg;
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int binded;
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int opened;
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union {
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struct {
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void (*intr)(void *);
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LIST_ENTRY(umidi_jack) queue_entry;
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} out;
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struct {
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void (*intr)(void *, int);
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} in;
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} u;
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};
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#define UMIDI_MAX_EPJACKS 16
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/* endpoint data */
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struct umidi_endpoint {
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struct umidi_softc *sc;
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/* */
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int addr;
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usbd_pipe_handle pipe;
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usbd_xfer_handle xfer;
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unsigned char *buffer;
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int num_open;
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int num_jacks;
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struct umidi_jack *jacks[UMIDI_MAX_EPJACKS];
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LIST_HEAD(, umidi_jack) queue_head;
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struct umidi_jack *queue_tail;
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};
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/* software context */
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struct umidi_softc {
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USBBASEDEVICE sc_dev;
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usbd_device_handle sc_udev;
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usbd_interface_handle sc_iface;
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struct umidi_quirk *sc_quirk;
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int sc_dying;
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int sc_out_num_jacks;
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struct umidi_jack *sc_out_jacks;
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int sc_in_num_jacks;
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struct umidi_jack *sc_in_jacks;
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struct umidi_jack *sc_jacks;
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int sc_num_mididevs;
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struct umidi_mididev *sc_mididevs;
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int sc_out_num_endpoints;
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struct umidi_endpoint *sc_out_ep;
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int sc_in_num_endpoints;
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struct umidi_endpoint *sc_in_ep;
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struct umidi_endpoint *sc_endpoints;
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};
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