/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id: wm8975.c 28572 2010-11-13 11:38:38Z theseven $ * * Driver for Cirrus Logic CS42L55 audio codec * * Copyright (c) 2010 Michael Sparmann * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * ****************************************************************************/ #include "logf.h" #include "system.h" #include "string.h" #include "audio.h" #include "sound.h" #include "audiohw.h" #include "cscodec.h" #include "cs42l55.h" const struct sound_settings_info audiohw_settings[] = { [SOUND_VOLUME] = {"dB", 0, 1, -60, 12, -25}, [SOUND_BASS] = {"dB", 1, 15,-105, 120, 0}, [SOUND_TREBLE] = {"dB", 1, 15,-105, 120, 0}, [SOUND_BALANCE] = {"%", 0, 1,-100, 100, 0}, [SOUND_CHANNELS] = {"", 0, 1, 0, 5, 0}, [SOUND_STEREO_WIDTH] = {"%", 0, 5, 0, 250, 100}, [SOUND_BASS_CUTOFF] = {"", 0, 1, 1, 4, 2}, [SOUND_TREBLE_CUTOFF] = {"", 0, 1, 1, 4, 1}, }; static int bass, treble; /* convert tenth of dB volume (-600..120) to master volume register value */ int tenthdb2master(int db) { /* -60dB to +12dB in 1dB steps */ /* 0001100 == +12dB (0xc) */ /* 0000000 == 0dB (0x0) */ /* 1000100 == -60dB (0x44, this is actually -58dB) */ if (db < VOLUME_MIN) return HPACTL_HPAMUTE; return (db / 10) & HPACTL_HPAVOL_MASK; } static void cscodec_setbits(int reg, unsigned char off, unsigned char on) { unsigned char data = (cscodec_read(reg) & ~off) | on; cscodec_write(reg, data); } static void audiohw_mute(bool mute) { if (mute) cscodec_setbits(PLAYCTL, 0, PLAYCTL_MSTAMUTE | PLAYCTL_MSTBMUTE); else cscodec_setbits(PLAYCTL, PLAYCTL_MSTAMUTE | PLAYCTL_MSTBMUTE, 0); } void audiohw_preinit(void) { cscodec_power(true); cscodec_clock(true); cscodec_reset(true); sleep(HZ / 100); cscodec_reset(false); bass = 0; treble = 0; /* Ask Cirrus or maybe Apple what the hell this means */ cscodec_write(HIDDENCTL, HIDDENCTL_UNLOCK); cscodec_write(HIDDEN2E, HIDDEN2E_DEFAULT); cscodec_write(HIDDEN32, HIDDEN32_DEFAULT); cscodec_write(HIDDEN33, HIDDEN33_DEFAULT); cscodec_write(HIDDEN34, HIDDEN34_DEFAULT); cscodec_write(HIDDEN35, HIDDEN35_DEFAULT); cscodec_write(HIDDEN36, HIDDEN36_DEFAULT); cscodec_write(HIDDEN37, HIDDEN37_DEFAULT); cscodec_write(HIDDEN3A, HIDDEN3A_DEFAULT); cscodec_write(HIDDEN3C, HIDDEN3C_DEFAULT); cscodec_write(HIDDEN3D, HIDDEN3D_DEFAULT); cscodec_write(HIDDEN3E, HIDDEN3E_DEFAULT); cscodec_write(HIDDEN3F, HIDDEN3F_DEFAULT); cscodec_write(HIDDENCTL, HIDDENCTL_LOCK); cscodec_write(PWRCTL2, PWRCTL2_PDN_LINA_ALWAYS | PWRCTL2_PDN_LINB_ALWAYS | PWRCTL2_PDN_HPA_NEVER | PWRCTL2_PDN_HPB_NEVER); cscodec_write(CLKCTL1, CLKCTL1_MASTER | CLKCTL1_SCLKMCLK_BEFORE | CLKCTL1_MCLKDIV2); cscodec_write(CLKCTL2, CLKCTL2_44100HZ); cscodec_write(MISCCTL, MISCCTL_UNDOC4 | MISCCTL_ANLGZC | MISCCTL_DIGSFT); cscodec_write(PWRCTL1, PWRCTL1_PDN_CHRG | PWRCTL1_PDN_ADCA | PWRCTL1_PDN_ADCB | PWRCTL1_PDN_CODEC); cscodec_write(PLAYCTL, PLAYCTL_PDN_DSP | PLAYCTL_MSTAMUTE | PLAYCTL_MSTBMUTE); cscodec_write(PGAACTL, 0); cscodec_write(PGABCTL, 0); cscodec_write(HPACTL, HPACTL_HPAMUTE); cscodec_write(HPBCTL, HPBCTL_HPBMUTE); cscodec_write(LINEACTL, LINEACTL_LINEAMUTE); cscodec_write(LINEBCTL, LINEBCTL_LINEBMUTE); cscodec_write(PWRCTL1, PWRCTL1_PDN_CHRG | PWRCTL1_PDN_ADCA | PWRCTL1_PDN_ADCB); } void audiohw_postinit(void) { cscodec_write(HPACTL, 0); cscodec_write(HPBCTL, 0); cscodec_write(LINEACTL, 0); cscodec_write(LINEBCTL, 0); cscodec_write(CLSHCTL, CLSHCTL_ADPTPWR_SIGNAL); audiohw_mute(false); } void audiohw_set_master_vol(int vol_l, int vol_r) { /* -60dB to +12dB in 1dB steps */ /* 0001100 == +12dB (0xc) */ /* 0000000 == 0dB (0x0) */ /* 1000100 == -60dB (0x44, this is actually -58dB) */ cscodec_setbits(HPACTL, HPACTL_HPAVOL_MASK | HPACTL_HPAMUTE, vol_l << HPACTL_HPAVOL_SHIFT); cscodec_setbits(HPBCTL, HPBCTL_HPBVOL_MASK | HPBCTL_HPBMUTE, vol_r << HPBCTL_HPBVOL_SHIFT); } void audiohw_set_lineout_vol(int vol_l, int vol_r) { /* -60dB to +12dB in 1dB steps */ /* 0001100 == +12dB (0xc) */ /* 0000000 == 0dB (0x0) */ /* 1000100 == -60dB (0x44, this is actually -58dB) */ cscodec_setbits(LINEACTL, LINEACTL_LINEAVOL_MASK | LINEACTL_LINEAMUTE, vol_l << LINEACTL_LINEAVOL_SHIFT); cscodec_setbits(LINEBCTL, LINEBCTL_LINEBVOL_MASK | LINEBCTL_LINEBMUTE, vol_r << LINEBCTL_LINEBVOL_SHIFT); } void audiohw_enable_lineout(bool enable) { if (enable) cscodec_setbits(PWRCTL2, PWRCTL2_PDN_LINA_MASK | PWRCTL2_PDN_LINB_MASK, PWRCTL2_PDN_LINA_NEVER | PWRCTL2_PDN_LINB_NEVER); else cscodec_setbits(PWRCTL2, PWRCTL2_PDN_LINA_MASK | PWRCTL2_PDN_LINB_MASK, PWRCTL2_PDN_LINA_ALWAYS | PWRCTL2_PDN_LINB_ALWAYS); } static void handle_dsp_power(void) { if (bass || treble) { cscodec_setbits(PLAYCTL, PLAYCTL_PDN_DSP, 0); cscodec_setbits(BTCTL, 0, BTCTL_TCEN); } else { cscodec_setbits(BTCTL, BTCTL_TCEN, 0); cscodec_setbits(PLAYCTL, 0, PLAYCTL_PDN_DSP); } } void audiohw_set_bass(int value) { bass = value; handle_dsp_power(); if (value >= -105 && value <= 120) cscodec_setbits(TONECTL, TONECTL_BASS_MASK, (8 - value / 15) << TONECTL_BASS_SHIFT); } void audiohw_set_treble(int value) { treble = value; handle_dsp_power(); if (value >= -105 && value <= 120) cscodec_setbits(TONECTL, TONECTL_TREB_MASK, (8 - value / 15) << TONECTL_TREB_SHIFT); } void audiohw_set_bass_cutoff(int value) { cscodec_setbits(BTCTL, BTCTL_BASSCF_MASK, (value - 1) << BTCTL_BASSCF_SHIFT); } void audiohw_set_treble_cutoff(int value) { cscodec_setbits(BTCTL, BTCTL_TREBCF_MASK, (value - 1) << BTCTL_TREBCF_SHIFT); } void audiohw_set_prescaler(int value) { cscodec_setbits(MSTAVOL, MSTAVOL_VOLUME_MASK, (-value / 5) << MSTAVOL_VOLUME_SHIFT); cscodec_setbits(MSTBVOL, MSTBVOL_VOLUME_MASK, (-value / 5) << MSTBVOL_VOLUME_SHIFT); } /* Nice shutdown of CS42L55 codec */ void audiohw_close(void) { audiohw_mute(true); cscodec_write(HPACTL, HPACTL_HPAMUTE); cscodec_write(HPBCTL, HPBCTL_HPBMUTE); cscodec_write(LINEACTL, LINEACTL_LINEAMUTE); cscodec_write(LINEBCTL, LINEBCTL_LINEBMUTE); cscodec_write(PWRCTL1, PWRCTL1_PDN_CHRG | PWRCTL1_PDN_ADCA | PWRCTL1_PDN_ADCB | PWRCTL1_PDN_CODEC); cscodec_reset(true); cscodec_clock(false); cscodec_power(false); } /* Note: Disable output before calling this function */ void audiohw_set_frequency(int fsel) { if (fsel == HW_FREQ_8) cscodec_write(CLKCTL2, CLKCTL2_8000HZ); else if (fsel == HW_FREQ_11) cscodec_write(CLKCTL2, CLKCTL2_11025HZ); else if (fsel == HW_FREQ_12) cscodec_write(CLKCTL2, CLKCTL2_12000HZ); else if (fsel == HW_FREQ_16) cscodec_write(CLKCTL2, CLKCTL2_16000HZ); else if (fsel == HW_FREQ_22) cscodec_write(CLKCTL2, CLKCTL2_22050HZ); else if (fsel == HW_FREQ_24) cscodec_write(CLKCTL2, CLKCTL2_24000HZ); else if (fsel == HW_FREQ_32) cscodec_write(CLKCTL2, CLKCTL2_32000HZ); else if (fsel == HW_FREQ_44) cscodec_write(CLKCTL2, CLKCTL2_44100HZ); else if (fsel == HW_FREQ_48) cscodec_write(CLKCTL2, CLKCTL2_48000HZ); } #ifdef HAVE_RECORDING //TODO: Implement #endif /* HAVE_RECORDING */