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i2sreg.h revision 1.1 
      1 /*	$NetBSD: i2sreg.h,v 1.1 2025/09/08 07:28:03 macallan Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2002, 2003 Tsubai Masanari.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. 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  * 3. 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
     26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 /* I2S registers */
     30 #define I2S_INT		0x00
     31 #define I2S_FORMAT	0x10
     32 #define I2S_FRAMECOUNT	0x40
     33 #define I2S_FRAMEMATCH	0x50
     34 #define I2S_WORDSIZE	0x60
     35 
     36 /* I2S_INT register definitions */
     37 #define I2S_INT_CLKSTOPPEND 0x01000000  /* clock-stop interrupt pending */
     38 
     39 /* I2S_WORDSIZE register definitions */
     40 #define INPUT_STEREO            (2 << 24)
     41 #define INPUT_MONO              (1 << 24)
     42 #define INPUT_16BIT             (0 << 16)
     43 #define INPUT_24BIT             (3 << 16)
     44 #define OUTPUT_STEREO           (2 << 8)
     45 #define OUTPUT_MONO             (1 << 8)
     46 #define OUTPUT_16BIT            (0 << 0)
     47 #define OUTPUT_24BIT            (3 << 0)
     48