28cfe4d13d
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28869 a1c6a512-1295-4272-9138-f99709370657
649 lines
20 KiB
C
649 lines
20 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Driver for WM8751 audio codec
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*
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* Based on code from the ipodlinux project - http://ipodlinux.org/
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* Adapted for Rockbox in December 2005
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*
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* Original file: linux/arch/armnommu/mach-ipod/audio.c
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*
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* Copyright (c) 2003-2005 Bernard Leach (leachbj@bouncycastle.org)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "kernel.h"
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#include "wmcodec.h"
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#include "audio.h"
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#include "audiohw.h"
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#include "system.h"
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const struct sound_settings_info audiohw_settings[] = {
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[SOUND_VOLUME] = {"dB", 0, 1, -74, 6, -25},
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#ifdef USE_ADAPTIVE_BASS
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[SOUND_BASS] = {"", 0, 1, 0, 15, 0},
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#else
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[SOUND_BASS] = {"dB", 1, 15, -60, 90, 0},
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#endif
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[SOUND_TREBLE] = {"dB", 1, 15, -60, 90, 0},
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[SOUND_BALANCE] = {"%", 0, 1,-100, 100, 0},
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[SOUND_CHANNELS] = {"", 0, 1, 0, 5, 0},
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[SOUND_STEREO_WIDTH] = {"%", 0, 5, 0, 250, 100},
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#ifdef AUDIOHW_HAVE_DEPTH_3D
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[SOUND_DEPTH_3D] = {"", 0, 1, 0, 15, 0},
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#endif
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#ifdef HAVE_RECORDING
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[SOUND_LEFT_GAIN] = {"dB", 1, 1,-172, 300, 0},
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[SOUND_RIGHT_GAIN] = {"dB", 1, 1,-172, 300, 0},
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[SOUND_MIC_GAIN] = {"dB", 1, 1,-172, 300, 0},
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#endif
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};
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/* Flags used in combination with settings */
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/* use zero crossing to reduce clicks during volume changes */
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#define LOUT1_BITS (LOUT1_LO1ZC)
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/* latch left volume first then update left+right together */
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#define ROUT1_BITS (ROUT1_RO1ZC | ROUT1_RO1VU)
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#define LOUT2_BITS (LOUT2_LO2ZC)
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#define ROUT2_BITS (ROUT2_RO2ZC | ROUT2_RO2VU)
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/* We use linear bass control with 200 Hz cutoff */
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#ifdef USE_ADAPTIVE_BASE
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#define BASSCTRL_BITS (BASSCTRL_BC | BASSCTRL_BB)
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#else
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#define BASSCTRL_BITS (BASSCTRL_BC)
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#endif
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/* We use linear treble control with 4 kHz cutoff */
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#define TREBCTRL_BITS (TREBCTRL_TC)
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static int prescaler = 0;
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/* convert tenth of dB volume (-730..60) to master volume register value */
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int tenthdb2master(int db)
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{
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/* +6 to -73dB 1dB steps (plus mute == 80levels) 7bits */
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/* 1111111 == +6dB (0x7f) */
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/* 1111001 == 0dB (0x79) */
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/* 0110000 == -73dB (0x30) */
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/* 0101111..0000000 == mute (<= 0x2f) */
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if (db < VOLUME_MIN)
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return 0x0;
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else
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return (db / 10) + 73 + 0x30;
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}
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static int tone_tenthdb2hw(int value)
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{
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/* -6.0db..+0db..+9.0db step 1.5db - translate -60..+0..+90 step 15
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to 10..6..0 step -1.
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*/
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value = 10 - (value + 60) / 15;
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if (value == 6)
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value = 0xf; /* 0db -> off */
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return value;
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}
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#if 0
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static int alc_tenthdb2hw(int value)
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{
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/* -28.5dB - -6dB step 1.5dB - translate -285 - -60 step 15
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to 0 - 15 step 1
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*/
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value = 15 - (value + 60)/15;
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}
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static int alc_hldus2hw(unsigned int value)
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{
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/* 0000 - 0us
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* 0001 - 2670us
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* 0010 - 5330us
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*
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* 1111 - 43691000us
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*/
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return 0;
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}
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static int alc_dcyms2hw(int value)
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{
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/* 0000 - 24ms
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* 0001 - 48ms
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* 0010 - 96ms
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*
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* 1010 or higher 24580ms
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*/
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return 0;
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}
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static int alc_atkms2hw(int value)
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{
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/* 0000 - 6ms
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* 0001 - 12ms
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* 0010 - 24ms
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*
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* 1010 or higher 6140ms
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*/
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return 0;
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}
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#endif
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#ifdef USE_ADAPTIVE_BASS
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static int adaptivebass2hw(int value)
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{
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/* 0 to 15 step 1 - step -1 0 = off is a 15 in the register */
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value = 15 - value;
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return value;
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}
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#endif
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#if defined(HAVE_WM8750)
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#if 0
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static int ngath_tenthdb2hw(int value)
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{
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/* -76.5dB - -30dB in 1.5db steps -765 - -300 in 15 steps */
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value = 31 - (value + 300)/15;
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return value;
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}
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#endif
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static int recvol2hw(int value)
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{
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/* convert tenth of dB of input volume (-172...300) to input register value */
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/* +30dB to -17.25 0.75dB step 6 bits */
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/* 111111 == +30dB (0x3f) */
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/* 010111 == 0dB (0x17) */
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/* 000000 == -17.25dB */
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return ((4*(value))/30 + 0x17);
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}
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#endif
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static void audiohw_mute(bool mute)
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{
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/* Mute: Set DACMU = 1 to soft-mute the audio DACs. */
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/* Unmute: Set DACMU = 0 to soft-un-mute the audio DACs. */
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wmcodec_write(DACCTRL, mute ? DACCTRL_DACMU : 0);
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}
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/* Reset and power up the WM8751 */
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void audiohw_preinit(void)
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{
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#ifdef MROBE_100
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/* controls headphone ouput */
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GPIOL_ENABLE |= 0x10;
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GPIOL_OUTPUT_EN |= 0x10;
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GPIOL_OUTPUT_VAL |= 0x10; /* disable */
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#endif
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#ifdef MPIO_HD200
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/* control headphone output
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* disabled on startup
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*/
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and_l(~(1<<25),&GPIO1_OUT);
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or_l((1<<25), &GPIO1_ENABLE);
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or_l((1<<25), &GPIO1_FUNCTION);
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#endif
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/*
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* 1. Switch on power supplies.
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* By default the WM8751 is in Standby Mode, the DAC is
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* digitally muted and the Audio Interface, Line outputs
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* and Headphone outputs are all OFF (DACMU = 1 Power
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* Management registers 1 and 2 are all zeros).
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*/
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wmcodec_write(RESET, RESET_RESET); /*Reset*/
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/* 2. Enable Vmid and VREF. */
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wmcodec_write(PWRMGMT1, PWRMGMT1_VREF | PWRMGMT1_VMIDSEL_5K);
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#ifdef CODEC_SLAVE
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wmcodec_write(AINTFCE,AINTFCE_WL_16|AINTFCE_FORMAT_I2S);
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#else
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/* BCLKINV=0(Dont invert BCLK) MS=1(Enable Master) LRSWAP=0 LRP=0 */
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/* IWL=00(16 bit) FORMAT=10(I2S format) */
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wmcodec_write(AINTFCE, AINTFCE_MS | AINTFCE_WL_16 |
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AINTFCE_FORMAT_I2S);
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#endif
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/* Set default samplerate */
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audiohw_set_frequency(HW_FREQ_DEFAULT);
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}
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/* Enable DACs and audio output after a short delay */
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void audiohw_postinit(void)
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{
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/* From app notes: allow Vref to stabilize to reduce clicks */
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sleep(HZ);
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/* 3. Enable DACs as required. */
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wmcodec_write(PWRMGMT2, PWRMGMT2_DACL | PWRMGMT2_DACR);
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/* 4. Enable line and / or headphone output buffers as required. */
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#if defined(MROBE_100) || defined(MPIO_HD200)
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/* fix for high pitch noise after power-up on HD200
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* it is *NOT* required step according to the
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* Datasheet for WM8750L but real life is different :-)
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*/
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wmcodec_write(LOUT1, LOUT1_BITS);
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wmcodec_write(ROUT1, ROUT1_BITS);
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/* power-up output stage */
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wmcodec_write(PWRMGMT2, PWRMGMT2_DACL | PWRMGMT2_DACR |
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PWRMGMT2_LOUT1 | PWRMGMT2_ROUT1);
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#else
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wmcodec_write(PWRMGMT2, PWRMGMT2_DACL | PWRMGMT2_DACR |
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PWRMGMT2_LOUT1 | PWRMGMT2_ROUT1 | PWRMGMT2_LOUT2 |
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PWRMGMT2_ROUT2);
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#endif
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/* Full -0dB on the DACS */
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wmcodec_write(LEFTGAIN, 0xff);
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wmcodec_write(RIGHTGAIN, RIGHTGAIN_RDVU | 0xff);
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wmcodec_write(ADDITIONAL1, ADDITIONAL1_TSDEN | ADDITIONAL1_TOEN |
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ADDITIONAL1_DMONOMIX_LLRR | ADDITIONAL1_VSEL_DEFAULT);
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wmcodec_write(LEFTMIX1, LEFTMIX1_LD2LO | LEFTMIX1_LI2LO_DEFAULT);
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wmcodec_write(RIGHTMIX2, RIGHTMIX2_RD2RO | RIGHTMIX2_RI2RO_DEFAULT);
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#ifdef TOSHIBA_GIGABEAT_F
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#ifdef HAVE_HARDWARE_BEEP
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/* Single-ended mono input */
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wmcodec_write(MONOMIX1, 0);
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/* Route mono input to both outputs at 0dB */
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wmcodec_write(LEFTMIX2, LEFTMIX2_MI2LO | LEFTMIX2_MI2LOVOL(2));
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wmcodec_write(RIGHTMIX1, RIGHTMIX1_MI2RO | RIGHTMIX1_MI2ROVOL(2));
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#endif
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#endif
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/* lower power consumption */
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wmcodec_write(PWRMGMT1, PWRMGMT1_VREF | PWRMGMT1_VMIDSEL_50K);
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audiohw_mute(false);
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#ifdef MROBE_100
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/* enable headphone output */
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GPIOL_OUTPUT_VAL &= ~0x10;
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GPIOL_OUTPUT_EN |= 0x10;
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#endif
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#ifdef MPIO_HD200
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/* enable headphone output */
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or_l((1<<25),&GPIO1_OUT);
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#endif
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}
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void audiohw_set_master_vol(int vol_l, int vol_r)
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{
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/* +6 to -73dB 1dB steps (plus mute == 80levels) 7bits */
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/* 1111111 == +6dB */
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/* 1111001 == 0dB */
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/* 0110000 == -73dB */
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/* 0101111 == mute (0x2f) */
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wmcodec_write(LOUT1, LOUT1_BITS | LOUT1_LOUT1VOL(vol_l));
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wmcodec_write(ROUT1, ROUT1_BITS | ROUT1_ROUT1VOL(vol_r));
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}
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#ifndef MROBE_100
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void audiohw_set_lineout_vol(int vol_l, int vol_r)
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{
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wmcodec_write(LOUT2, LOUT2_BITS | LOUT2_LOUT2VOL(vol_l));
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wmcodec_write(ROUT2, ROUT2_BITS | ROUT2_ROUT2VOL(vol_r));
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}
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#endif
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void audiohw_set_bass(int value)
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{
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wmcodec_write(BASSCTRL, BASSCTRL_BITS |
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#ifdef USE_ADAPTIVE_BASS
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BASSCTRL_BASS(adaptivebass2hw(value)));
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#else
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BASSCTRL_BASS(tone_tenthdb2hw(value)));
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#endif
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}
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void audiohw_set_treble(int value)
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{
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wmcodec_write(TREBCTRL, TREBCTRL_BITS |
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TREBCTRL_TREB(tone_tenthdb2hw(value)));
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}
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void audiohw_set_prescaler(int value)
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{
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prescaler = 3 * value / 15;
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wmcodec_write(LEFTGAIN, 0xff - (prescaler & LEFTGAIN_LDACVOL));
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wmcodec_write(RIGHTGAIN, RIGHTGAIN_RDVU |
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(0xff - (prescaler & RIGHTGAIN_RDACVOL)));
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}
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/* Nice shutdown of WM8751 codec */
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void audiohw_close(void)
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{
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/* 1. Set DACMU = 1 to soft-mute the audio DACs. */
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audiohw_mute(true);
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#ifdef MPIO_HD200
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/* disable headphone out */
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and_l(~(1<<25), &GPIO1_OUT);
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#endif
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/* 2. Disable all output buffers. */
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wmcodec_write(PWRMGMT2, 0x0);
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/* 3. Switch off the power supplies. */
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wmcodec_write(PWRMGMT1, 0x0);
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}
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/* According to datasheet of WM8750
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* clocking setup is needed in both slave and master mode
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*/
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void audiohw_set_frequency(int fsel)
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{
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(void)fsel;
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static const unsigned char srctrl_table[HW_NUM_FREQ] =
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{
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HW_HAVE_11_([HW_FREQ_11] = CODEC_SRCTRL_11025HZ,)
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HW_HAVE_22_([HW_FREQ_22] = CODEC_SRCTRL_22050HZ,)
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HW_HAVE_44_([HW_FREQ_44] = CODEC_SRCTRL_44100HZ,)
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HW_HAVE_88_([HW_FREQ_88] = CODEC_SRCTRL_88200HZ,)
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};
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if ((unsigned)fsel >= HW_NUM_FREQ)
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fsel = HW_FREQ_DEFAULT;
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wmcodec_write(CLOCKING, srctrl_table[fsel]);
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}
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#if defined(HAVE_WM8750)
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#ifdef AUDIOHW_HAVE_DEPTH_3D
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/* Set the depth of the 3D effect */
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void audiohw_set_depth_3d(int val)
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{
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if (val)
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wmcodec_write(ENHANCE_3D,
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ENHANCE_3D_MODE3D_PLAYBACK | ENHANCE_3D_DEPTH(val) |
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ENHANCE_3D_3DEN);
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else
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wmcodec_write(ENHANCE_3D,ENHANCE_3D_MODE3D_PLAYBACK);
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}
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#endif
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#ifdef HAVE_RECORDING
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#if 0
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void audiohw_set_ngath(int ngath, int type, bool enable)
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{
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/* This function controls Noise gate function
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* of the codec. This can only run in conjunction
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* with ALC
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*/
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if(enable)
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wmcodec_write(NGAT, NGAT_NGG(type)|NGAT_NGTH(ngath)|NGAT_NGAT);
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else
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wmcodec_write(NGAT, NGAT_NGG(type)|NGAT_NGTH(ngath_tenthdb2hw(ngath)));
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}
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void audiohw_set_alc(int level, unsigned int hold, int decay, int attack, bool enable)
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{
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/* level in thenth of dB -28.5dB - -6dB in 1.5dB steps
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* hold time in us 0us - 43691000us
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* decay time in ms 24ms - 24580ms
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* attack time in ms 6ms - 6140ms
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*/
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if(enable)
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{
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wmcodec_write(ALC1, ALC1_ALCSEL_STEREO|ALC1_MAXGAIN(0x07)|
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ALC1_ALCL(alc_tenthdb2hw(level)));
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wmcodec_write(ALC2, ALC2_ALCZ|ALC2_HLD(alc_hldus2hw(hold)));
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wmcodec_write(ALC3, ALC3_DCY(alc_dcyms2hw(decay))|
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ALC3_ATK(alc_atkms2hw(attack)));
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}
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else
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{
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wmcodec_write(ALC1, ALC1_ALCSEL_DISABLED|ALC1_MAXGAIN(0x07)|ALC1_ALCL(alc_tenthdb2hw(level)));
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}
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}
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void audiohw_set_alc(int level, unsigned int hold, int decay, int attack, bool enable)
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{
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/* level in thenth of dB -28.5dB - -6dB in 1.5dB steps
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* hold time in 15 steps 0ms,2.67ms,5.33ms,...,43691ms
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* decay time in 10 steps 24ms,48ms,96ms,...,24580ms
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* attack time in 10 steps 6ms,12ms,24ms,...,6140ms
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*/
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if(enable)
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{
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wmcodec_write(ALC1, ALC1_ALCSEL_STEREO|ALC1_MAXGAIN(0x07)|
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ALC1_ALCL(alc_tenthdb2hw(level)));
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wmcodec_write(ALC2, ALC2_ALCZ|ALC2_HLD(hold));
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wmcodec_write(ALC3, ALC3_DCY(decay)|
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ALC3_ATK(attack));
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}
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else
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{
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wmcodec_write(ALC1, ALC1_ALCSEL_DISABLED|ALC1_MAXGAIN(0x07)|
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ALC1_ALCL(alc_tenthdb2hw(level)));
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}
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}
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void audiohw_set_alc_level(int level)
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{
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wmcodec_write(ALC1, ALC1_ALCSEL_STEREO|ALC1_MAXGAIN(0x07)|
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ALC1_ALCL(alc_tenthdb2hw(level)));
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}
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#endif
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void audiohw_set_recsrc(int source, bool recording)
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{
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/* INPUT1 - FM radio
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* INPUT2 - Line-in
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* INPUT3 - MIC
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*
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* if recording == false we use analog bypass from input
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* turn off ADC, PGA to save power
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* turn on output buffer(s)
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*
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* if recording == true we route input signal to PGA
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* and monitoring picks up signal after PGA and ADC
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* turn on ADC, PGA, DAC, output buffer(s)
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*/
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switch(source)
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{
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case AUDIO_SRC_PLAYBACK:
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/* turn off DAC and ADC in order to setup Enchance 3D function
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* for playback. This does not turn on enchancement but
|
|
* the switch between playback/record has to be done with
|
|
* DAC and ADC off
|
|
*/
|
|
#ifdef AUDIOHW_HAVE_DEPTH_3D
|
|
wmcodec_write(PWRMGMT1, PWRMGMT1_VREF | PWRMGMT1_VMIDSEL_50K);
|
|
wmcodec_write(PWRMGMT2, 0x00);
|
|
wmcodec_write(ENHANCE_3D, ENHANCE_3D_MODE3D_PLAYBACK);
|
|
#endif
|
|
/* mute PGA, disable all audio paths but DAC and output stage*/
|
|
wmcodec_write(LINVOL, LINVOL_LINMUTE | LINVOL_LINVOL(0x17)); /* 0dB */
|
|
wmcodec_write(RINVOL, RINVOL_RINMUTE | RINVOL_RINVOL(0x17)); /* 0dB */
|
|
|
|
wmcodec_write(LOUT1, LOUT1_BITS);
|
|
wmcodec_write(ROUT1, ROUT1_BITS);
|
|
|
|
wmcodec_write(PWRMGMT2, PWRMGMT2_DACL | PWRMGMT2_DACR |
|
|
PWRMGMT2_LOUT1 | PWRMGMT2_ROUT1);
|
|
|
|
/* route DAC signal to output mixer */
|
|
wmcodec_write(LEFTMIX1, LEFTMIX1_LD2LO);
|
|
wmcodec_write(RIGHTMIX2, RIGHTMIX2_RD2RO);
|
|
|
|
/* unmute DAC */
|
|
audiohw_mute(false);
|
|
break;
|
|
|
|
case AUDIO_SRC_FMRADIO:
|
|
if(recording)
|
|
{
|
|
/* turn off DAC and ADC in order to setup Enchance 3D function
|
|
* for playback. This does not turn on enchancement but
|
|
* the switch between playback/record has to be done with
|
|
* DAC and ADC off
|
|
*/
|
|
#ifdef AUDIOHW_HAVE_DEPTH_3D
|
|
wmcodec_write(PWRMGMT1, PWRMGMT1_VREF | PWRMGMT1_VMIDSEL_50K);
|
|
wmcodec_write(PWRMGMT2, 0x00);
|
|
wmcodec_write(ENHANCE_3D, ENHANCE_3D_MODE3D_RECORD);
|
|
#endif
|
|
|
|
/* Turn on PGA and ADC */
|
|
wmcodec_write(PWRMGMT1, PWRMGMT1_VREF | PWRMGMT1_VMIDSEL_50K |
|
|
PWRMGMT1_AINL | PWRMGMT1_AINR |
|
|
PWRMGMT1_ADCL | PWRMGMT1_ADCR);
|
|
|
|
/* Set input volume to PGA 0dB*/
|
|
wmcodec_write(LINVOL, LINVOL_LIVU|LINVOL_LINVOL(0x17));
|
|
wmcodec_write(RINVOL, RINVOL_RIVU|RINVOL_RINVOL(0x17));
|
|
|
|
/* Setup input source for PGA as INPUT1
|
|
* MICBOOST disabled
|
|
*/
|
|
wmcodec_write(ADCL, ADCL_LINSEL_LINPUT1 | ADCL_LMICBOOST_DISABLED);
|
|
wmcodec_write(ADCR, ADCR_RINSEL_RINPUT1 | ADCR_RMICBOOST_DISABLED);
|
|
|
|
/* setup output digital data
|
|
* default is LADC -> LDATA, RADC -> RDATA
|
|
* so we don't touch this
|
|
*/
|
|
|
|
/* power up DAC and output stage */
|
|
wmcodec_write(PWRMGMT2, PWRMGMT2_DACL | PWRMGMT2_DACR |
|
|
PWRMGMT2_LOUT1 | PWRMGMT2_ROUT1);
|
|
|
|
/* route DAC signal to output mixer */
|
|
wmcodec_write(LEFTMIX1, LEFTMIX1_LD2LO);
|
|
wmcodec_write(RIGHTMIX2, RIGHTMIX2_RD2RO);
|
|
}
|
|
else
|
|
{
|
|
/* turn off ADC, PGA */
|
|
wmcodec_write(PWRMGMT1, PWRMGMT1_VREF | PWRMGMT1_VMIDSEL_50K);
|
|
|
|
/* turn on DAC and output stage */
|
|
wmcodec_write(PWRMGMT2, PWRMGMT2_DACL | PWRMGMT2_DACR |
|
|
PWRMGMT2_LOUT1 | PWRMGMT2_ROUT1);
|
|
|
|
/* setup monitor mode by routing input signal to outmix
|
|
* at 0dB volume
|
|
*/
|
|
wmcodec_write(LEFTMIX1, LEFTMIX1_LI2LO | LEFTMIX1_LMIXSEL_LINPUT1 |
|
|
LEFTMIX1_LI2LOVOL(0x20) | LEFTMIX1_LD2LO);
|
|
wmcodec_write(RIGHTMIX1, RIGHTMIX1_RMIXSEL_RINPUT1);
|
|
wmcodec_write(RIGHTMIX2, RIGHTMIX2_RI2RO |
|
|
RIGHTMIX2_RI2ROVOL(0x20) | RIGHTMIX2_RD2RO);
|
|
}
|
|
break;
|
|
|
|
#if (INPUT_SRC_CAPS & SRC_CAP_LINEIN)
|
|
case AUDIO_SRC_LINEIN:
|
|
#ifdef AUDIOHW_HAVE_DEPTH_3D
|
|
wmcodec_write(PWRMGMT1, PWRMGMT1_VREF | PWRMGMT1_VMIDSEL_50K);
|
|
wmcodec_write(PWRMGMT2, 0x00);
|
|
wmcodec_write(ENHANCE_3D, ENHANCE_3D_MODE3D_RECORD);
|
|
#endif
|
|
|
|
/* Set input volume to PGA */
|
|
wmcodec_write(LINVOL, LINVOL_LIVU | LINVOL_LINVOL(23));
|
|
wmcodec_write(RINVOL, RINVOL_RIVU | RINVOL_RINVOL(23));
|
|
|
|
/* Turn on PGA, ADC */
|
|
wmcodec_write(PWRMGMT1, PWRMGMT1_VREF | PWRMGMT1_VMIDSEL_50K |
|
|
PWRMGMT1_AINL | PWRMGMT1_AINR |
|
|
PWRMGMT1_ADCL | PWRMGMT1_ADCR);
|
|
|
|
/* turn on DAC and output stage */
|
|
wmcodec_write(PWRMGMT2, PWRMGMT2_DACL | PWRMGMT2_DACR |
|
|
PWRMGMT2_LOUT1 | PWRMGMT2_ROUT1);
|
|
|
|
/* Setup input source for PGA as INPUT2
|
|
* MICBOOST disabled
|
|
*/
|
|
wmcodec_write(ADCL, ADCL_LINSEL_LINPUT2 | ADCL_LMICBOOST_DISABLED);
|
|
wmcodec_write(ADCR, ADCR_RINSEL_RINPUT2 | ADCR_RMICBOOST_DISABLED);
|
|
|
|
/* setup output digital data
|
|
* default is LADC -> LDATA, RADC -> RDATA
|
|
* so we don't touch this
|
|
*/
|
|
/* route DAC signal to output mixer */
|
|
wmcodec_write(LEFTMIX1, LEFTMIX1_LD2LO);
|
|
wmcodec_write(RIGHTMIX2, RIGHTMIX2_RD2RO);
|
|
break;
|
|
#endif
|
|
#if (INPUT_SRC_CAPS & SRC_CAP_MIC)
|
|
case AUDIO_SRC_MIC:
|
|
#ifdef AUDIOHW_HAVE_DEPTH_3D
|
|
wmcodec_write(PWRMGMT1, PWRMGMT1_VREF | PWRMGMT1_VMIDSEL_50K);
|
|
wmcodec_write(PWRMGMT2, 0x00);
|
|
wmcodec_write(ENHANCE_3D, ENHANCE_3D_MODE3D_RECORD);
|
|
#endif
|
|
|
|
/* Set input volume to PGA */
|
|
wmcodec_write(LINVOL, LINVOL_LIVU | LINVOL_LINVOL(23));
|
|
wmcodec_write(RINVOL, RINVOL_RIVU | RINVOL_RINVOL(23));
|
|
|
|
/* Turn on PGA and ADC, turn off DAC */
|
|
wmcodec_write(PWRMGMT1, PWRMGMT1_VREF | PWRMGMT1_VMIDSEL_50K |
|
|
PWRMGMT1_AINL | PWRMGMT1_AINR |
|
|
PWRMGMT1_ADCL | PWRMGMT1_ADCR);
|
|
|
|
/* turn on DAC and output stage */
|
|
wmcodec_write(PWRMGMT2, PWRMGMT2_DACL | PWRMGMT2_DACR |
|
|
PWRMGMT2_LOUT1 | PWRMGMT2_ROUT1);
|
|
|
|
/* Setup input source for PGA as INPUT3
|
|
* MICBOOST disabled
|
|
*/
|
|
wmcodec_write(ADCL, ADCL_LINSEL_LINPUT3 | ADCL_LMICBOOST_DISABLED);
|
|
wmcodec_write(ADCR, ADCR_RINSEL_RINPUT3 | ADCR_RMICBOOST_DISABLED);
|
|
|
|
/* setup output digital data
|
|
* default is LADC -> LDATA, RADC -> RDATA
|
|
* so we don't touch this
|
|
*/
|
|
|
|
/* route DAC signal to output mixer */
|
|
wmcodec_write(LEFTMIX1, LEFTMIX1_LD2LO);
|
|
wmcodec_write(RIGHTMIX2, RIGHTMIX2_RD2RO);
|
|
break;
|
|
#endif
|
|
} /* switch(source) */
|
|
}
|
|
|
|
/* Setup PGA gain */
|
|
void audiohw_set_recvol(int vol_l, int vol_r, int type)
|
|
{
|
|
(void)type;
|
|
wmcodec_write(LINVOL, LINVOL_LIZC|LINVOL_LINVOL(recvol2hw(vol_l)));
|
|
wmcodec_write(RINVOL, RINVOL_RIZC|RINVOL_RIVU|RINVOL_RINVOL(recvol2hw(vol_r)));
|
|
}
|
|
#endif /* HAVE_RECORDING */
|
|
#endif /* HAVE_WM8750 */
|