uspace/drv/audio/hdaudio/hdactl.h

   1 /*
   2  * Copyright (c) 2014 Jiri Svoboda
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * - Redistributions of source code must retain the above copyright
  10  *   notice, this list of conditions and the following disclaimer.
  11  * - Redistributions in binary form must reproduce the above copyright
  12  *   notice, this list of conditions and the following disclaimer in the
  13  *   documentation and/or other materials provided with the distribution.
  14  * - The name of the author may not be used to endorse or promote products
  15  *   derived from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 /** @addtogroup hdaudio
  30  * @{
  31  */
  32 /** @file High Definition Audio controller
  33  */
  34
  35 #ifndef HDACTL_H
  36 #define HDACTL_H
  37
  38 #include <fibril_synch.h>
  39 #include <stdbool.h>
  40 #include "hdaudio.h"
  41 #include "spec/regs.h"
  42
  43 enum {
  44         /** Software response buffer size in entries */
  45         softrb_entries = 128
  46 };
  47
  48 typedef struct hda_ctl {
  49         bool ok64bit;
  50         int iss;
  51         int oss;
  52         int bss;
  53
  54         uintptr_t corb_phys;
  55         void *corb_virt;
  56         size_t corb_entries;
  57
  58         uintptr_t rirb_phys;
  59         void *rirb_virt;
  60         size_t rirb_entries;
  61         size_t rirb_rp;
  62
  63         fibril_mutex_t solrb_lock;
  64         fibril_condvar_t solrb_cv;
  65         hda_rirb_entry_t solrb[softrb_entries];
  66         size_t solrb_rp;
  67         size_t solrb_wp;
  68
  69         hda_rirb_entry_t unsolrb[softrb_entries];
  70         size_t unsolrb_rp;
  71         size_t unsolrb_wp;
  72
  73         struct hda_codec *codec;
  74         struct hda *hda;
  75 } hda_ctl_t;
  76
  77 extern hda_ctl_t *hda_ctl_init(hda_t *);
  78 extern void hda_ctl_fini(hda_ctl_t *);
  79 extern void hda_ctl_interrupt(hda_ctl_t *);
  80 extern errno_t hda_cmd(hda_t *, uint32_t, uint32_t *);
  81 extern void hda_ctl_dump_info(hda_ctl_t *);
  82
  83 #endif
  84
  85 /** @}
  86  */