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      1 /*	$NetBSD: cs4215reg.h,v 1.5 2017/12/21 21:56:29 macallan Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2001 Jared D. McNeill <jmcneill (at) NetBSD.org>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  *
     28  */
     29 
     30 /* time slot 1: status register */
     31 #define	CS4215_CLB	(1<<2)	/* control latch bit */
     32 #define	CS4215_MLB	(1<<4)	/* 1: mic: 20 dB gain disabled */
     33 #define	CS4215_ONE	(1<<5)	/* always one */
     34 
     35 /* time slot 2: data format register */
     36 #define	CS4215_DFR_LINEAR16	0
     37 #define	CS4215_DFR_ULAW		1
     38 #define	CS4215_DFR_ALAW		2
     39 #define	CS4215_DFR_LINEAR8	3
     40 #define	CS4215_DFR_STEREO	(1<<2)
     41 const struct {
     42 	unsigned short	freq;
     43 	unsigned char	xtal;
     44 	unsigned char	csval;
     45 } CS4215_FREQ[] = {
     46 	{ 8000, 	(1<<4), (0<<3) },
     47 	{ 16000, 	(1<<4), (1<<3) },
     48 	{ 27429, 	(1<<4), (2<<3) },	/* actually 24428.57 */
     49 	{ 32000, 	(1<<4), (3<<3) },
     50 		/* NA		(4<<3) */
     51 		/* NA		(5<<3) */
     52 	{ 48000, 	(1<<4), (6<<3) },
     53 	{ 9600, 	(1<<4), (7<<3) },
     54 	{ 5513, 	(2<<4), (0<<3) },	/* actually 5512.5 */
     55 	{ 11025, 	(2<<4), (1<<3) },
     56 	{ 18900, 	(2<<4), (2<<3) },
     57 	{ 22050, 	(2<<4), (3<<3) },
     58 	{ 37800, 	(2<<4), (4<<3) },
     59 	{ 44100, 	(2<<4), (5<<3) },
     60 	{ 33075, 	(2<<4), (6<<3) },
     61 	{ 6615, 	(2<<4), (7<<3) },
     62 	{ 0, 		0, 	0 }
     63 };
     64 
     65 /* time slot 3: serial port control register */
     66 #define	CS4215_XCLK	(1<<1)		/* 0: enable serial output */
     67 #define	CS4215_BSEL_128	(1<<2)		/* bitrate: 128 bits per frame */
     68 
     69 /* time slot 5: output setting */
     70 #define	CS4215_LO(v)	(v)	/* left output attenuation 0x3f: -94.5 dB */
     71 #define	CS4215_LE	(1<<6)	/* line out enable */
     72 #define	CS4215_HE	(1<<7)	/* headphone enable */
     73 
     74 /* time slot 6: output setting */
     75 #define CS4215_RO(v)	(v)	/* right output attenuation 0x3f: -94.5 dB */
     76 #define	CS4215_SE	(1<<6)	/* speaker enable */
     77 #define CS4215_ADI	(1<<7)	/* a/d data invalid: busy in calibration */
     78 
     79 /* time slot 7: input setting */
     80 #define	CS4215_LG(v)	(v)	/* left gain setting 0xf: 22.5 dB */
     81 #define	CS4215_IS	(1<<4)	/* input select: 1 = mic, 0 = line */
     82 #define	CS4215_PIO0	(1<<6)	/* parallel I/O 0 */
     83 #define	CS4215_PIO1	(1<<7)	/* parallel I/O 1 */
     84 
     85 /* time slot 8: input setting */
     86 #define	CS4215_RG(v)	(v)	/* right gain setting 0xf: 22.5 dB */
     87 #define	CS4215_MA(v)	((v)<<4)	/* monitor path attenuation 0xf: mute */
     88 
     89