95 lines
3.7 KiB
C
95 lines
3.7 KiB
C
/* $NetBSD: cs4215reg.h,v 1.2 2005/12/11 12:21:26 christos Exp $ */
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/*
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* Copyright (c) 2001 Jared D. McNeill <jmcneill@invisible.yi.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Jared D. McNeill.
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* 4. Neither the name of the author nor the names of any contributors may
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* be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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/* time slot 1: status register */
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#define CS4215_CLB (1<<2) /* control latch bit */
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#define CS4215_MLB (1<<4) /* 1: mic: 20 dB gain disabled */
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#define CS4215_RSRVD_1 (1<<5)
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/* time slot 2: data format register */
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#define CS4215_DFR_LINEAR16 0
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#define CS4215_DFR_ULAW 1
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#define CS4215_DFR_ALAW 2
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#define CS4215_DFR_LINEAR8 3
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#define CS4215_DFR_STEREO (1<<2)
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const struct {
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unsigned short freq;
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unsigned char xtal;
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unsigned char csval;
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} CS4215_FREQ[] = {
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{ 8000, (1<<4), (0<<3) },
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{ 16000, (1<<4), (1<<3) },
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{ 27429, (1<<4), (2<<3) }, /* actually 24428.57 */
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{ 32000, (1<<4), (3<<3) },
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/* NA (4<<3) */
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/* NA (5<<3) */
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{ 48000, (1<<4), (6<<3) },
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{ 9600, (1<<4), (7<<3) },
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{ 5513, (2<<4), (0<<3) }, /* actually 5512.5 */
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{ 11025, (2<<4), (1<<3) },
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{ 18900, (2<<4), (2<<3) },
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{ 22050, (2<<4), (3<<3) },
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{ 37800, (2<<4), (4<<3) },
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{ 44100, (2<<4), (5<<3) },
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{ 33075, (2<<4), (6<<3) },
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{ 6615, (2<<4), (7<<3) },
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{ 0, 0, 0 }
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};
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/* time slot 3: serial port control register */
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#define CS4215_XCLK (1<<1) /* 0: enable serial output */
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#define CS4215_BSEL_128 (1<<2) /* bitrate: 128 bits per frame */
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/* time slot 5: output setting */
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#define CS4215_LO(v) v /* left output attenuation 0x3f: -94.5 dB */
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#define CS4215_LE (1<<6) /* line out enable */
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#define CS4215_HE (1<<7) /* headphone enable */
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/* time slot 6: output setting */
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#define CS4215_RO(v) v /* right output attenuation 0x3f: -94.5 dB */
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#define CS4215_SE (1<<6) /* speaker enable */
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#define CS4215_ADI (1<<7) /* a/d data invalid: busy in calibration */
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/* time slot 7: input setting */
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#define CS4215_LG(v) v /* left gain setting 0xf: 22.5 dB */
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#define CS4215_IS (1<<4) /* input select: 1 = mic, 0 = line */
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#define CS4215_PIO0 (1<<6) /* parallel I/O 0 */
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#define CS4215_PIO1 (1<<7) /* parallel I/O 1 */
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/* time slot 8: input setting */
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#define CS4215_RG(v) v /* right gain setting 0xf: 22.5 dB */
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#define CS4215_MA(v) (v<<4) /* monitor path attenuation 0xf: mute */
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