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@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