05e8488ad8
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17516 a1c6a512-1295-4272-9138-f99709370657
191 lines
6.2 KiB
C
191 lines
6.2 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: wm8975.c 13453 2007-05-20 23:10:15Z christian $
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*
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* Driver for MAS35xx audio codec
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*
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*
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* Copyright (c) 2007 by Christian Gmeiner
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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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 "config.h"
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#include "audiohw.h"
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#include "mas.h"
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const struct sound_settings_info audiohw_settings[] = {
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#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
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[SOUND_VOLUME] = {"dB", 0, 1,-100, 12, -25},
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[SOUND_BASS] = {"dB", 0, 1, -12, 12, 6},
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[SOUND_TREBLE] = {"dB", 0, 1, -12, 12, 6},
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#else /* MAS3507D */
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[SOUND_VOLUME] = {"dB", 0, 1, -78, 18, -18},
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[SOUND_BASS] = {"dB", 0, 1, -15, 15, 7},
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[SOUND_TREBLE] = {"dB", 0, 1, -15, 15, 7},
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#endif
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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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#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
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[SOUND_LOUDNESS] = {"dB", 0, 1, 0, 17, 0},
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[SOUND_AVC] = {"", 0, 1, -1, 4, 0},
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[SOUND_MDB_STRENGTH] = {"dB", 0, 1, 0, 127, 48},
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[SOUND_MDB_HARMONICS] = {"%", 0, 1, 0, 100, 50},
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[SOUND_MDB_CENTER] = {"Hz", 0, 10, 20, 300, 60},
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[SOUND_MDB_SHAPE] = {"Hz", 0, 10, 50, 300, 90},
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[SOUND_MDB_ENABLE] = {"", 0, 1, 0, 1, 0},
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[SOUND_SUPERBASS] = {"", 0, 1, 0, 1, 0},
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#endif
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#if CONFIG_CODEC == MAS3587F
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[SOUND_LEFT_GAIN] = {"dB", 1, 1, 0, 15, 8},
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[SOUND_RIGHT_GAIN] = {"dB", 1, 1, 0, 15, 8},
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[SOUND_MIC_GAIN] = {"dB", 1, 1, 0, 15, 2},
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#endif
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};
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int channel_configuration = SOUND_CHAN_STEREO;
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int stereo_width = 100;
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static void set_channel_config(void)
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{
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/* default values: stereo */
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unsigned long val_ll = 0x80000;
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unsigned long val_lr = 0;
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unsigned long val_rl = 0;
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unsigned long val_rr = 0x80000;
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switch(channel_configuration)
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{
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/* case SOUND_CHAN_STEREO unnecessary */
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case SOUND_CHAN_MONO:
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val_ll = 0xc0000;
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val_lr = 0xc0000;
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val_rl = 0xc0000;
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val_rr = 0xc0000;
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break;
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case SOUND_CHAN_CUSTOM:
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{
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/* fixed point variables (matching MAS internal format)
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integer part: upper 13 bits (inlcuding sign)
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fractional part: lower 19 bits */
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long fp_width, fp_straight, fp_cross;
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fp_width = (stereo_width << 19) / 100;
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if (stereo_width <= 100)
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{
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fp_straight = - ((1<<19) + fp_width) / 2;
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fp_cross = fp_straight + fp_width;
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}
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else
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{
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/* straight = - (1 + width) / (2 * width) */
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fp_straight = - ((((1<<19) + fp_width) / (fp_width >> 9)) << 9);
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fp_cross = (1<<19) + fp_straight;
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}
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val_ll = val_rr = fp_straight & 0xfffff;
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val_lr = val_rl = fp_cross & 0xfffff;
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}
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break;
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case SOUND_CHAN_MONO_LEFT:
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val_ll = 0x80000;
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val_lr = 0x80000;
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val_rl = 0;
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val_rr = 0;
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break;
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case SOUND_CHAN_MONO_RIGHT:
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val_ll = 0;
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val_lr = 0;
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val_rl = 0x80000;
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val_rr = 0x80000;
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break;
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case SOUND_CHAN_KARAOKE:
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val_ll = 0xc0000;
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val_lr = 0x40000;
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val_rl = 0x40000;
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val_rr = 0xc0000;
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break;
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}
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#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
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mas_writemem(MAS_BANK_D0, MAS_D0_OUT_LL, &val_ll, 1); /* LL */
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mas_writemem(MAS_BANK_D0, MAS_D0_OUT_LR, &val_lr, 1); /* LR */
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mas_writemem(MAS_BANK_D0, MAS_D0_OUT_RL, &val_rl, 1); /* RL */
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mas_writemem(MAS_BANK_D0, MAS_D0_OUT_RR, &val_rr, 1); /* RR */
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#elif CONFIG_CODEC == MAS3507D
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mas_writemem(MAS_BANK_D1, 0x7f8, &val_ll, 1); /* LL */
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mas_writemem(MAS_BANK_D1, 0x7f9, &val_lr, 1); /* LR */
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mas_writemem(MAS_BANK_D1, 0x7fa, &val_rl, 1); /* RL */
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mas_writemem(MAS_BANK_D1, 0x7fb, &val_rr, 1); /* RR */
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#endif
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}
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void audiohw_set_channel(int val)
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{
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channel_configuration = val;
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set_channel_config();
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}
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void audiohw_set_stereo_width(int val)
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{
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stereo_width = val;
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if (channel_configuration == SOUND_CHAN_CUSTOM) {
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set_channel_config();
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}
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}
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void audiohw_set_bass(int val)
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{
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#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
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unsigned tmp = ((unsigned)(val * 8) & 0xff) << 8;
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mas_codec_writereg(0x14, tmp);
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#elif CONFIG_CODEC == MAS3507D
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mas_writereg(MAS_REG_KBASS, bass_table[val+15]);
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#endif
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}
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#if CONFIG_CODEC == MAS3507D
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void audiohw_set_prescaler(int val)
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{
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mas_writereg(MAS_REG_KPRESCALE, prescale_table[val/10]);
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}
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#endif
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void audiohw_set_treble(int val)
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{
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#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
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unsigned tmp = ((unsigned)(val * 8) & 0xff) << 8;
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mas_codec_writereg(0x15, tmp);
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#elif CONFIG_CODEC == MAS3507D
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mas_writereg(MAS_REG_KTREBLE, treble_table[val+15]);
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#endif
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}
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#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
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void audiohw_set_volume(int val) {
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unsigned tmp = ((unsigned)(val + 115) & 0xff) << 8;
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mas_codec_writereg(0x10, tmp);
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}
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void audiohw_set_balance(int val) {
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unsigned tmp = ((unsigned)(val * 127 / 100) & 0xff) << 8;
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mas_codec_writereg(0x11, tmp);
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}
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#endif
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