528 lines
13 KiB
C
528 lines
13 KiB
C
/*
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* Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk>
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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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* $FreeBSD$
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*/
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#include <dev/sound/pcm/sound.h>
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#include <dev/sound/pcm/ac97.h>
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#include "mixer_if.h"
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MALLOC_DEFINE(M_AC97, "ac97", "ac97 codec");
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struct ac97_codecid {
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u_int32_t id, noext:1;
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char *name;
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};
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static const struct ac97mixtable_entry ac97mixtable_default[32] = {
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[SOUND_MIXER_VOLUME] = { AC97_MIX_MASTER, 5, 0, 1, 1, 6, 0, 1 },
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[SOUND_MIXER_MONITOR] = { AC97_MIX_PHONES, 5, 0, 1, 1, 0, 0, 0 },
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[SOUND_MIXER_PHONEOUT] = { AC97_MIX_MONO, 5, 0, 0, 1, 7, 0, 0 },
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[SOUND_MIXER_BASS] = { AC97_MIX_TONE, 4, 8, 0, 0, 0, 1, 0 },
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[SOUND_MIXER_TREBLE] = { AC97_MIX_TONE, 4, 0, 0, 0, 0, 1, 0 },
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[SOUND_MIXER_PCM] = { AC97_MIX_PCM, 5, 0, 1, 1, 0, 0, 1 },
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[SOUND_MIXER_SPEAKER] = { AC97_MIX_BEEP, 4, 1, 0, 1, 0, 0, 0 },
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[SOUND_MIXER_LINE] = { AC97_MIX_LINE, 5, 0, 1, 1, 5, 0, 1 },
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[SOUND_MIXER_PHONEIN] = { AC97_MIX_PHONE, 5, 0, 0, 1, 8, 0, 0 },
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[SOUND_MIXER_MIC] = { AC97_MIX_MIC, 5, 0, 0, 1, 1, 0, 1 },
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[SOUND_MIXER_CD] = { AC97_MIX_CD, 5, 0, 1, 1, 2, 0, 1 },
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[SOUND_MIXER_LINE1] = { AC97_MIX_AUX, 5, 0, 1, 1, 4, 0, 0 },
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[SOUND_MIXER_VIDEO] = { AC97_MIX_VIDEO, 5, 0, 1, 1, 3, 0, 0 },
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[SOUND_MIXER_RECLEV] = { -AC97_MIX_RGAIN, 4, 0, 1, 1, 0, 0, 1 }
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};
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static struct ac97_codecid ac97codecid[] = {
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{ 0x414b4d00, 1, "Asahi Kasei AK4540 rev 0" },
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{ 0x414b4d01, 1, "Asahi Kasei AK4540 rev 1" },
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{ 0x43525900, 0, "Cirrus Logic CS4297" },
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{ 0x83847600, 0, "SigmaTel STAC????" },
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{ 0x83847604, 0, "SigmaTel STAC9701/3/4/5" },
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{ 0x83847605, 0, "SigmaTel STAC9704" },
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{ 0x83847608, 0, "SigmaTel STAC9708" },
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{ 0x83847609, 0, "SigmaTel STAC9721" },
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{ 0, 0, NULL }
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};
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static char *ac97enhancement[] = {
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"no 3D Stereo Enhancement",
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"Analog Devices Phat Stereo",
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"Creative Stereo Enhancement",
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"National Semi 3D Stereo Enhancement",
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"Yamaha Ymersion",
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"BBE 3D Stereo Enhancement",
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"Crystal Semi 3D Stereo Enhancement",
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"Qsound QXpander",
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"Spatializer 3D Stereo Enhancement",
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"SRS 3D Stereo Enhancement",
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"Platform Tech 3D Stereo Enhancement",
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"AKM 3D Audio",
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"Aureal Stereo Enhancement",
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"Aztech 3D Enhancement",
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"Binaura 3D Audio Enhancement",
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"ESS Technology Stereo Enhancement",
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"Harman International VMAx",
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"Nvidea 3D Stereo Enhancement",
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"Philips Incredible Sound",
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"Texas Instruments 3D Stereo Enhancement",
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"VLSI Technology 3D Stereo Enhancement",
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"TriTech 3D Stereo Enhancement",
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"Realtek 3D Stereo Enhancement",
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"Samsung 3D Stereo Enhancement",
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"Wolfson Microelectronics 3D Enhancement",
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"Delta Integration 3D Enhancement",
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"SigmaTel 3D Enhancement",
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"Reserved 27",
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"Rockwell 3D Stereo Enhancement",
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"Reserved 29",
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"Reserved 30",
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"Reserved 31"
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};
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static char *ac97feature[] = {
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"mic channel",
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"reserved",
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"tone",
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"simulated stereo",
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"headphone",
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"bass boost",
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"18 bit DAC",
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"20 bit DAC",
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"18 bit ADC",
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"20 bit ADC"
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};
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static char *ac97extfeature[] = {
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"variable rate PCM",
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"double rate PCM",
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"reserved 1",
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"variable rate mic",
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"reserved 2",
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"reserved 3",
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"center DAC",
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"surround DAC",
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"LFE DAC",
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"AMAP",
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"reserved 4",
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"reserved 5",
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"reserved 6",
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"reserved 7",
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};
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static u_int16_t
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rdcd(struct ac97_info *codec, int reg)
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{
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return AC97_READ(codec->methods, codec->devinfo, reg);
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}
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static void
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wrcd(struct ac97_info *codec, int reg, u_int16_t val)
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{
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AC97_WRITE(codec->methods, codec->devinfo, reg, val);
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}
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int
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ac97_setrate(struct ac97_info *codec, int which, int rate)
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{
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u_int16_t v;
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switch(which) {
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case AC97_REGEXT_FDACRATE:
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case AC97_REGEXT_SDACRATE:
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case AC97_REGEXT_LDACRATE:
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case AC97_REGEXT_LADCRATE:
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case AC97_REGEXT_MADCRATE:
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break;
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default:
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return -1;
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}
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if (rate != 0) {
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v = rate;
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if (codec->extstat & AC97_EXTCAP_DRA)
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v >>= 1;
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wrcd(codec, which, v);
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}
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v = rdcd(codec, which);
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if (codec->extstat & AC97_EXTCAP_DRA)
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v <<= 1;
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return v;
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}
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int
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ac97_setextmode(struct ac97_info *codec, u_int16_t mode)
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{
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mode &= AC97_EXTCAPS;
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if ((mode & ~codec->extcaps) != 0)
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return -1;
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wrcd(codec, AC97_REGEXT_STAT, mode);
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codec->extstat = rdcd(codec, AC97_REGEXT_STAT) & AC97_EXTCAPS;
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return (mode == codec->extstat)? 0 : -1;
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}
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u_int16_t
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ac97_getextmode(struct ac97_info *codec)
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{
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return codec->extstat;
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}
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u_int16_t
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ac97_getextcaps(struct ac97_info *codec)
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{
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return codec->extcaps;
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}
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static int
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ac97_setrecsrc(struct ac97_info *codec, int channel)
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{
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struct ac97mixtable_entry *e = &codec->mix[channel];
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if (e->recidx > 0) {
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int val = e->recidx - 1;
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val |= val << 8;
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wrcd(codec, AC97_REG_RECSEL, val);
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return 0;
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} else
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return -1;
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}
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static int
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ac97_setmixer(struct ac97_info *codec, unsigned channel, unsigned left, unsigned right)
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{
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struct ac97mixtable_entry *e = &codec->mix[channel];
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if (e->reg && e->enable && e->bits) {
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int max, val, reg = (e->reg >= 0)? e->reg : -e->reg;
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if (!e->stereo)
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right = left;
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if (e->reg > 0) {
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left = 100 - left;
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right = 100 - right;
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}
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max = (1 << e->bits) - 1;
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left = (left * max) / 100;
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right = (right * max) / 100;
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val = (left << 8) | right;
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left = (left * 100) / max;
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right = (right * 100) / max;
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if (e->reg > 0) {
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left = 100 - left;
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right = 100 - right;
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}
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if (!e->stereo) {
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val &= max;
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val <<= e->ofs;
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if (e->mask) {
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int cur = rdcd(codec, e->reg);
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val |= cur & ~(max << e->ofs);
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}
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}
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if (left == 0 && right == 0 && e->mute == 1)
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val = AC97_MUTE;
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wrcd(codec, reg, val);
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return left | (right << 8);
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} else {
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/* printf("ac97_setmixer: reg=%d, bits=%d, enable=%d\n", e->reg, e->bits, e->enable); */
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return -1;
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}
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}
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#if 0
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static int
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ac97_getmixer(struct ac97_info *codec, int channel)
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{
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struct ac97mixtable_entry *e = &codec->mix[channel];
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if (channel < SOUND_MIXER_NRDEVICES && e->reg != 0) {
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int max, val, volume;
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max = (1 << e->bits) - 1;
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val = rdcd(code, e->reg);
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if (val == AC97_MUTE && e->mute == 1)
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volume = 0;
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else {
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if (e->stereo == 0) val >>= e->ofs;
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val &= max;
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volume = (val * 100) / max;
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if (e->reg > 0) volume = 100 - volume;
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}
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return volume;
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} else
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return -1;
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}
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#endif
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static unsigned
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ac97_initmixer(struct ac97_info *codec)
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{
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unsigned i, j, k, old;
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u_int32_t id;
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for (i = 0; i < 32; i++)
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codec->mix[i] = ac97mixtable_default[i];
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codec->count = AC97_INIT(codec->methods, codec->devinfo);
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if (codec->count == 0) {
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device_printf(codec->dev, "ac97 codec init failed\n");
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return ENODEV;
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}
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wrcd(codec, AC97_REG_POWER, 0);
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wrcd(codec, AC97_REG_RESET, 0);
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DELAY(100000);
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i = rdcd(codec, AC97_REG_RESET);
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codec->caps = i & 0x03ff;
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codec->se = (i & 0x7c00) >> 10;
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id = (rdcd(codec, AC97_REG_ID1) << 16) | rdcd(codec, AC97_REG_ID2);
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codec->rev = id & 0x000000ff;
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if (id == 0 || id == 0xffffffff) {
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device_printf(codec->dev, "ac97 codec invalid or not present (id == %x)\n", id);
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return ENODEV;
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}
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codec->noext = 0;
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codec->name = NULL;
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for (i = 0; ac97codecid[i].id; i++) {
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if (ac97codecid[i].id == id) {
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codec->name = ac97codecid[i].name;
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codec->noext = ac97codecid[i].noext;
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}
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}
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codec->extcaps = 0;
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codec->extid = 0;
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codec->extstat = 0;
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if (!codec->noext) {
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i = rdcd(codec, AC97_REGEXT_ID);
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if (i != 0xffff) {
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codec->extcaps = i & 0x3fff;
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codec->extid = (i & 0xc000) >> 14;
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codec->extstat = rdcd(codec, AC97_REGEXT_STAT) & AC97_EXTCAPS;
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}
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}
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for (i = 0; i < 32; i++) {
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k = codec->noext? codec->mix[i].enable : 1;
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if (k && (codec->mix[i].reg > 0)) {
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old = rdcd(codec, codec->mix[i].reg);
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wrcd(codec, codec->mix[i].reg, 0x3f);
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j = rdcd(codec, codec->mix[i].reg);
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wrcd(codec, codec->mix[i].reg, old);
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codec->mix[i].enable = (j != 0 && j != old)? 1 : 0;
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for (k = 1; j & (1 << k); k++);
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codec->mix[i].bits = j? k - codec->mix[i].ofs : 0;
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}
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/* printf("mixch %d, en=%d, b=%d\n", i, codec->mix[i].enable, codec->mix[i].bits); */
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}
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if (bootverbose) {
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device_printf(codec->dev, "ac97 codec id 0x%08x", id);
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if (codec->name)
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printf(" (%s)", codec->name);
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printf("\n");
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device_printf(codec->dev, "ac97 codec features ");
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for (i = j = 0; i < 10; i++)
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if (codec->caps & (1 << i))
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printf("%s%s", j++? ", " : "", ac97feature[i]);
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printf("%s%d bit master volume", j++? ", " : "", codec->mix[SOUND_MIXER_VOLUME].bits);
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printf("%s%s\n", j? ", " : "", ac97enhancement[codec->se]);
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if (codec->extcaps != 0 || codec->extid) {
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device_printf(codec->dev, "ac97 %s codec",
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codec->extid? "secondary" : "primary");
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if (codec->extcaps)
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printf(" extended features ");
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for (i = j = 0; i < 14; i++)
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if (codec->extcaps & (1 << i))
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printf("%s%s", j++? ", " : "", ac97extfeature[i]);
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printf("\n");
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}
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}
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if ((rdcd(codec, AC97_REG_POWER) & 2) == 0)
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device_printf(codec->dev, "ac97 codec reports dac not ready\n");
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return 0;
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}
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static unsigned
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ac97_reinitmixer(struct ac97_info *codec)
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{
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unsigned i;
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codec->count = AC97_INIT(codec->methods, codec->devinfo);
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if (codec->count == 0) {
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device_printf(codec->dev, "ac97 codec init failed\n");
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return ENODEV;
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}
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wrcd(codec, AC97_REG_POWER, 0);
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wrcd(codec, AC97_REG_RESET, 0);
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DELAY(100000);
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i = rdcd(codec, AC97_REG_RESET);
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if (!codec->noext) {
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wrcd(codec, AC97_REGEXT_STAT, codec->extstat);
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if (rdcd(codec, AC97_REGEXT_STAT) != codec->extstat)
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device_printf(codec->dev, "ac97 codec failed to reset extended mode (%x, got %x)\n",
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codec->extstat, rdcd(codec, AC97_REGEXT_STAT));
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}
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if ((rdcd(codec, AC97_REG_POWER) & 2) == 0)
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device_printf(codec->dev, "ac97 codec reports dac not ready\n");
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return 0;
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}
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struct ac97_info *
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ac97_create(device_t dev, void *devinfo, kobj_class_t cls)
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{
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struct ac97_info *codec;
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codec = (struct ac97_info *)malloc(sizeof *codec, M_AC97, M_NOWAIT);
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if (codec == NULL)
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return NULL;
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codec->methods = kobj_create(cls, M_AC97, M_WAITOK);
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if (codec->methods == NULL) {
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free(codec, M_AC97);
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return NULL;
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}
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codec->dev = dev;
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codec->devinfo = devinfo;
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return codec;
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}
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void
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ac97_destroy(struct ac97_info *codec)
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{
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if (codec->methods != NULL)
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kobj_delete(codec->methods, M_AC97);
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free(codec, M_AC97);
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}
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/* -------------------------------------------------------------------- */
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static int
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ac97mix_init(snd_mixer *m)
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{
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struct ac97_info *codec = mix_getdevinfo(m);
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u_int32_t i, mask;
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if (codec == NULL)
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return -1;
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if (ac97_initmixer(codec))
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return -1;
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mask = 0;
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for (i = 0; i < 32; i++)
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mask |= codec->mix[i].enable? 1 << i : 0;
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mix_setdevs(m, mask);
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mask = 0;
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for (i = 0; i < 32; i++)
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mask |= codec->mix[i].recidx? 1 << i : 0;
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mix_setrecdevs(m, mask);
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return 0;
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}
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static int
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ac97mix_uninit(snd_mixer *m)
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{
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struct ac97_info *codec = mix_getdevinfo(m);
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if (codec == NULL)
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return -1;
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/*
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if (ac97_uninitmixer(codec))
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return -1;
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*/
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ac97_destroy(codec);
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return 0;
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}
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static int
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ac97mix_reinit(snd_mixer *m)
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{
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struct ac97_info *codec = mix_getdevinfo(m);
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if (codec == NULL)
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return -1;
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return ac97_reinitmixer(codec);
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}
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static int
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ac97mix_set(snd_mixer *m, unsigned dev, unsigned left, unsigned right)
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{
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struct ac97_info *codec = mix_getdevinfo(m);
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if (codec == NULL)
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return -1;
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return ac97_setmixer(codec, dev, left, right);
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}
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static int
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ac97mix_setrecsrc(snd_mixer *m, u_int32_t src)
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{
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int i;
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struct ac97_info *codec = mix_getdevinfo(m);
|
|
|
|
if (codec == NULL)
|
|
return -1;
|
|
for (i = 0; i < SOUND_MIXER_NRDEVICES; i++)
|
|
if ((src & (1 << i)) != 0)
|
|
break;
|
|
return (ac97_setrecsrc(codec, i) == 0)? 1 << i : -1;
|
|
}
|
|
|
|
static kobj_method_t ac97mixer_methods[] = {
|
|
KOBJMETHOD(mixer_init, ac97mix_init),
|
|
KOBJMETHOD(mixer_uninit, ac97mix_uninit),
|
|
KOBJMETHOD(mixer_reinit, ac97mix_reinit),
|
|
KOBJMETHOD(mixer_set, ac97mix_set),
|
|
KOBJMETHOD(mixer_setrecsrc, ac97mix_setrecsrc),
|
|
{ 0, 0 }
|
|
};
|
|
MIXER_DECLARE(ac97mixer);
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
|
|
kobj_class_t
|
|
ac97_getmixerclass(void)
|
|
{
|
|
return &ac97mixer_class;
|
|
}
|
|
|
|
|