/*
* Copyright (c) 2025 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 controller
*/
#ifndef HDACTL_H
#define HDACTL_H
#include <fibril_synch.h>
#include <stdbool.h>
#include "hdaudio.h"
#include "spec/regs.h"
enum {
/** Software response buffer size in entries */
softrb_entries = 128
};
typedef struct hda_ctl {
bool ok64bit;
int iss;
int oss;
int bss;
uintptr_t corb_phys;
void *corb_virt;
size_t corb_entries;
uintptr_t rirb_phys;
void *rirb_virt;
size_t rirb_entries;
size_t rirb_rp;
fibril_mutex_t solrb_lock;
fibril_condvar_t solrb_cv;
hda_rirb_entry_t solrb[softrb_entries];
size_t solrb_rp;
size_t solrb_wp;
hda_rirb_entry_t unsolrb[softrb_entries];
size_t unsolrb_rp;
size_t unsolrb_wp;
struct hda_codec *codec;
struct hda *hda;
} hda_ctl_t;
extern hda_ctl_t *hda_ctl_init(hda_t *);
extern void hda_ctl_fini(hda_ctl_t *);
extern void hda_ctl_quiesce(hda_ctl_t *);
extern void hda_ctl_interrupt(hda_ctl_t *);
extern errno_t hda_cmd(hda_t *, uint32_t, uint32_t *);
extern void hda_ctl_dump_info(hda_ctl_t *);
#endif
/** @}
*/