/* * Copyright (c) 2014 Jiri Svoboda * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - 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. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. */ /** @addtogroup hdaudio * @{ */ /** @file High Definition Audio driver */ #ifndef HDAUDIO_H #define HDAUDIO_H #include <async.h> #include <ddf/driver.h> #include <fibril_synch.h> #include <stdbool.h> #include <stdint.h> #include "spec/regs.h" /** High Definition Audio driver instance */ typedef struct hda { fibril_mutex_t lock; async_sess_t *parent_sess; async_sess_t *ev_sess; ddf_fun_t *fun_pcm; uint64_t rwbase; size_t rwsize; hda_regs_t *regs; struct hda_ctl *ctl; struct hda_stream *pcm_stream; struct hda_stream_buffers *pcm_buffers; bool playing; bool capturing; } hda_t; extern void hda_lock(hda_t *); extern void hda_unlock(hda_t *); #endif /** @} */