1a6bcfa2c1
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20420 a1c6a512-1295-4272-9138-f99709370657
320 lines
8.5 KiB
C
320 lines
8.5 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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* 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 "logf.h"
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#include "system.h"
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#include "string.h"
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#include "audio.h"
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#include "wmcodec.h"
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#include "audiohw.h"
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/* Register addresses as per datasheet Rev.4.4 */
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#define RESET 0x00
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#define PWRMGMT1 0x01
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#define PWRMGMT2 0x02
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#define PWRMGMT3 0x03
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#define AINTFCE 0x04
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#define COMPAND 0x05
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#define CLKGEN 0x06
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#define SRATECTRL 0x07
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#define GPIOCTL 0x08
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#define JACKDETECT0 0x09
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#define DACCTRL 0x0a
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#define LDACVOL 0x0b
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#define RDACVOL 0x0c
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#define JACKDETECT1 0x0d
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#define ADCCTL 0x0e
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#define LADCVOL 0x0f
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#define RADCVOL 0x10
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#define EQ1 0x12
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#define EQ2 0x13
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#define EQ3 0x14
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#define EQ4 0x15
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#define EQ5 0x16
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#define EQ_GAIN_MASK 0x001f
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#define EQ_CUTOFF_MASK 0x0060
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#define EQ_GAIN_VALUE(x) (((-x) + 12) & 0x1f)
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#define EQ_CUTOFF_VALUE(x) ((((x) - 1) & 0x03) << 5)
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#define CLASSDCTL 0x17
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#define DACLIMIT1 0x18
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#define DACLIMIT2 0x19
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#define NOTCH1 0x1b
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#define NOTCH2 0x1c
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#define NOTCH3 0x1d
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#define NOTCH4 0x1e
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#define ALCCTL1 0x20
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#define ALCCTL2 0x21
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#define ALCCTL3 0x22
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#define NOISEGATE 0x23
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#define PLLN 0x24
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#define PLLK1 0x25
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#define PLLK2 0x26
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#define PLLK3 0x27
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#define THREEDCTL 0x29
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#define OUT4ADC 0x2a
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#define BEEPCTRL 0x2b
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#define INCTRL 0x2c
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#define LINPGAGAIN 0x2d
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#define RINPGAGAIN 0x2e
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#define LADCBOOST 0x2f
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#define RADCBOOST 0x30
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#define OUTCTRL 0x31
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#define LOUTMIX 0x32
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#define ROUTMIX 0x33
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#define LOUT1VOL 0x34
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#define ROUT1VOL 0x35
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#define LOUT2VOL 0x36
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#define ROUT2VOL 0x37
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#define OUT3MIX 0x38
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#define OUT4MIX 0x39
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#define BIASCTL 0x3d
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const struct sound_settings_info audiohw_settings[] = {
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[SOUND_VOLUME] = {"dB", 0, 1, -58, 6, -25},
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[SOUND_BASS] = {"dB", 0, 1, -12, 12, 0},
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[SOUND_TREBLE] = {"dB", 0, 1, -12, 12, 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 HAVE_RECORDING
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[SOUND_LEFT_GAIN] = {"dB", 1, 1,-128, 96, 0},
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[SOUND_RIGHT_GAIN] = {"dB", 1, 1,-128, 96, 0},
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[SOUND_MIC_GAIN] = {"dB", 1, 1,-128, 108, 16},
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#endif
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[SOUND_BASS_CUTOFF] = {"", 0, 1, 1, 4, 1},
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[SOUND_TREBLE_CUTOFF] = {"", 0, 1, 1, 4, 1},
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};
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/* shadow registers */
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unsigned int eq1_reg;
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unsigned int eq5_reg;
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/* convert tenth of dB volume (-57..6) to master volume register value */
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int tenthdb2master(int db)
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{
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/* +6 to -57dB in 1dB steps == 64 levels = 6 bits */
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/* 0111111 == +6dB (0x3f) = 63) */
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/* 0111001 == 0dB (0x39) = 57) */
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/* 0000001 == -56dB (0x01) = */
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/* 0000000 == -57dB (0x00) */
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/* 1000000 == Mute (0x40) */
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if (db < VOLUME_MIN) {
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return 0x40;
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} else {
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return((db/10)+57);
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}
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}
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/* Silently enable / disable audio output */
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void audiohw_preinit(void)
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{
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wmcodec_write(RESET, 0x1ff); /* Reset */
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wmcodec_write(BIASCTL, 0x100); /* BIASCUT = 1 */
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wmcodec_write(OUTCTRL, 0x6); /* Thermal shutdown */
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wmcodec_write(PWRMGMT1, 0x8); /* BIASEN = 1 */
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/* Volume zero, mute all outputs */
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wmcodec_write(LOUT1VOL, 0x140);
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wmcodec_write(ROUT1VOL, 0x140);
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wmcodec_write(LOUT2VOL, 0x140);
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wmcodec_write(ROUT2VOL, 0x140);
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wmcodec_write(OUT3MIX, 0x40);
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wmcodec_write(OUT4MIX, 0x40);
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/* DAC softmute, automute, 128OSR */
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wmcodec_write(DACCTRL, 0x4c);
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wmcodec_write(OUT4ADC, 0x2); /* POBCTRL = 1 */
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/* Enable output, DAC and mixer */
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wmcodec_write(PWRMGMT3, 0x6f);
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wmcodec_write(PWRMGMT2, 0x180);
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wmcodec_write(PWRMGMT1, 0xd);
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wmcodec_write(LOUTMIX, 0x1);
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wmcodec_write(ROUTMIX, 0x1);
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/* Disable clock since we're acting as slave to the SoC */
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wmcodec_write(CLKGEN, 0x0);
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wmcodec_write(AINTFCE, 0x10); /* 16-bit, I2S format */
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wmcodec_write(LDACVOL, 0x1ff); /* Full DAC digital vol */
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wmcodec_write(RDACVOL, 0x1ff);
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wmcodec_write(OUT4ADC, 0x0); /* POBCTRL = 0 */
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}
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void audiohw_postinit(void)
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{
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sleep(HZ/2);
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audiohw_mute(0);
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}
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void audiohw_set_headphone_vol(int vol_l, int vol_r)
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{
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/* OUT1 */
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wmcodec_write(LOUT1VOL, 0x080 | vol_l);
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wmcodec_write(ROUT1VOL, 0x180 | vol_r);
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}
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void audiohw_set_lineout_vol(int vol_l, int vol_r)
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{
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/* OUT2 */
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wmcodec_write(LOUT2VOL, vol_l);
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wmcodec_write(ROUT2VOL, 0x100 | vol_r);
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}
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void audiohw_set_aux_vol(int vol_l, int vol_r)
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{
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/* OUTMIX */
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wmcodec_write(LOUTMIX, 0x111 | (vol_l << 5) );
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wmcodec_write(ROUTMIX, 0x111 | (vol_r << 5) );
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}
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void audiohw_set_bass(int value)
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{
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eq1_reg = (eq1_reg & ~EQ_GAIN_MASK) | EQ_GAIN_VALUE(value);
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wmcodec_write(EQ1, 0x100 | eq1_reg);
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}
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void audiohw_set_bass_cutoff(int value)
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{
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eq1_reg = (eq1_reg & ~EQ_CUTOFF_MASK) | EQ_CUTOFF_VALUE(value);
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wmcodec_write(EQ1, 0x100 | eq1_reg);
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}
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void audiohw_set_treble(int value)
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{
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eq5_reg = (eq5_reg & ~EQ_GAIN_MASK) | EQ_GAIN_VALUE(value);
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wmcodec_write(EQ5, eq5_reg);
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}
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void audiohw_set_treble_cutoff(int value)
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{
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eq5_reg = (eq5_reg & ~EQ_CUTOFF_MASK) | EQ_CUTOFF_VALUE(value);
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wmcodec_write(EQ5, eq5_reg);
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}
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void audiohw_mute(bool mute)
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{
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if (mute)
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{
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/* Set DACMU = 1 to soft-mute the audio DACs. */
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wmcodec_write(DACCTRL, 0x4c);
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} else {
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/* Set DACMU = 0 to soft-un-mute the audio DACs. */
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wmcodec_write(DACCTRL, 0xc);
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}
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}
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/* Nice shutdown of WM8985 codec */
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void audiohw_close(void)
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{
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audiohw_mute(1);
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wmcodec_write(PWRMGMT3, 0x0);
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wmcodec_write(PWRMGMT1, 0x0);
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wmcodec_write(PWRMGMT2, 0x40);
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}
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/* Note: Disable output before calling this function */
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void audiohw_set_sample_rate(int fsel)
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{
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/* Currently the WM8985 acts as slave to the SoC I2S controller, so no
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setup is needed here. This seems to be in contrast to every other WM
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driver in Rockbox, so this may need to change in the future. */
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(void)fsel;
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}
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#ifdef HAVE_RECORDING
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void audiohw_enable_recording(bool source_mic)
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{
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(void)source_mic; /* We only have a line-in (I think) */
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wmcodec_write(RESET, 0x1ff); /*Reset*/
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wmcodec_write(PWRMGMT1, 0x2b);
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wmcodec_write(PWRMGMT2, 0x18f); /* Enable ADC - 0x0c enables left/right PGA input, and 0x03 turns on power to the ADCs */
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wmcodec_write(PWRMGMT3, 0x6f);
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wmcodec_write(AINTFCE, 0x10);
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wmcodec_write(CLKCTRL, 0x49);
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wmcodec_write(OUTCTRL, 1);
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/* The iPod can handle multiple frequencies, but fix at 44.1KHz
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for now */
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audiohw_set_frequency(HW_FREQ_DEFAULT);
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wmcodec_write(INCTRL,0x44); /* Connect L2 and R2 inputs */
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/* Set L2/R2_2BOOSTVOL to 0db (bits 4-6) */
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/* 000 = disabled
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001 = -12dB
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010 = -9dB
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011 = -6dB
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100 = -3dB
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101 = 0dB
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110 = 3dB
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111 = 6dB
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*/
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wmcodec_write(LADCBOOST,0x50);
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wmcodec_write(RADCBOOST,0x50);
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/* Set L/R input PGA Volume to 0db */
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// wm8758_write(LINPGAVOL,0x3f);
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// wm8758_write(RINPGAVOL,0x13f);
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/* Enable monitoring */
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wmcodec_write(LOUTMIX,0x17); /* Enable output mixer - BYPL2LMIX @ 0db*/
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wmcodec_write(ROUTMIX,0x17); /* Enable output mixer - BYPR2RMIX @ 0db*/
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audiohw_mute(0);
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}
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void audiohw_disable_recording(void) {
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audiohw_mute(1);
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wmcodec_write(PWRMGMT3, 0x0);
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wmcodec_write(PWRMGMT1, 0x0);
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wmcodec_write(PWRMGMT2, 0x40);
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}
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void audiohw_set_recvol(int left, int right, int type) {
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(void)left;
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(void)right;
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(void)type;
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}
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void audiohw_set_monitor(bool enable) {
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(void)enable;
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}
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#endif /* HAVE_RECORDING */
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