/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * Copyright (C) 2008 by Maurus Cuelenaere * * 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 "config.h" #include "audio.h" #include "sound.h" #include "jz4740.h" #include "system.h" #include "pcm_sw_volume.h" #if 0 static unsigned short codec_volume; static unsigned short codec_base_gain; static unsigned short codec_mic_gain; static int HP_register_value; #endif static bool HP_on_off_flag; static void i2s_codec_reset(void) { REG_ICDC_CDCCR1 = (ICDC_CDCCR1_SW2ON | ICDC_CDCCR1_PDVR | ICDC_CDCCR1_PDVRA | ICDC_CDCCR1_VRCGL | ICDC_CDCCR1_VRCGH | ICDC_CDCCR1_HPOV0 | ICDC_CDCCR1_PDHPM | ICDC_CDCCR1_PDHP | ICDC_CDCCR1_SUSPD | ICDC_CDCCR1_RST); udelay(10); REG_ICDC_CDCCR1 = (ICDC_CDCCR1_SW2ON | ICDC_CDCCR1_PDVR | ICDC_CDCCR1_PDVRA | ICDC_CDCCR1_VRCGL | ICDC_CDCCR1_VRCGH | ICDC_CDCCR1_HPOV0 | ICDC_CDCCR1_PDHPM | ICDC_CDCCR1_PDHP ); } static void i2s_codec_init(void) { __cpm_start_aic1(); __cpm_start_aic2(); __aic_enable(); __i2s_internal_codec(); __i2s_as_slave(); __i2s_select_i2s(); __aic_select_i2s(); __aic_disable_byteswap(); __aic_disable_unsignadj(); __aic_disable_mono2stereo(); i2s_codec_reset(); REG_ICDC_CDCCR1 &= ~(ICDC_CDCCR1_SUSPD | ICDC_CDCCR1_RST); REG_ICDC_CDCCR2 = ( ICDC_CDCCR2_AINVOL(23) | ICDC_CDCCR2_SMPR(ICDC_CDCCR2_SMPR_44) | ICDC_CDCCR2_HPVOL(ICDC_CDCCR2_HPVOL_0)); mdelay(15); REG_ICDC_CDCCR1 &= ~(ICDC_CDCCR1_PDVR | ICDC_CDCCR1_VRCGL | ICDC_CDCCR1_VRCGH); REG_ICDC_CDCCR1 |= (ICDC_CDCCR1_EDAC | ICDC_CDCCR1_HPCG); mdelay(600); REG_ICDC_CDCCR1 &= ~(ICDC_CDCCR1_PDVRA | ICDC_CDCCR1_HPCG | ICDC_CDCCR1_PDHPM | ICDC_CDCCR1_PDHP); mdelay(2); /* CDCCR1.ELININ=0, CDCCR1.EMIC=0, CDCCR1.EADC=0, CDCCR1.SW1ON=0, CDCCR1.EDAC=1, CDCCR1.SW2ON=1, CDCCR1.HPMUTE=0 */ REG_ICDC_CDCCR1 = (REG_ICDC_CDCCR1 & ~(ICDC_CDCCR1_ELININ | ICDC_CDCCR1_EMIC | ICDC_CDCCR1_EADC | ICDC_CDCCR1_SW1ON | ICDC_CDCCR1_HPMUTE)) | (ICDC_CDCCR1_EDAC | ICDC_CDCCR1_SW2ON); HP_on_off_flag = 1; /* HP is on */ } #if 0 static void i2s_codec_set_mic(unsigned short v) /* 0 <= v <= 100 */ { v &= 0xff; if(v > 100) v = 100; codec_mic_gain = 31 * v/100; REG_ICDC_CDCCR2 = ((REG_ICDC_CDCCR2 & ~(0x1f << 16)) | (codec_mic_gain << 16)); } static void i2s_codec_set_base(unsigned short v) /* 0 <= v <= 100 */ { v &= 0xff; if(v > 100) v = 100; if(v < 25) codec_base_gain = 0; if(v >= 25 && v < 50) codec_base_gain = 1; if(v >= 50 && v < 75) codec_base_gain = 2; if(v >= 75 && v <= 100) codec_base_gain = 3; REG_ICDC_CDCCR2 = ((REG_ICDC_CDCCR2 & ~(0x3 << 4)) | (codec_base_gain << 4)); } static void i2s_codec_set_volume(unsigned short v) /* 0 <= v <= 100 */ { v &= 0xff; if(v > 100) v = 100; if(v < 25) codec_volume = 0; if(v >= 25 && v < 50) codec_volume = 1; if(v >= 50 && v < 75) codec_volume = 2; if(v >= 75 && v <= 100) codec_volume = 3; REG_ICDC_CDCCR2 = ((REG_ICDC_CDCCR2 & ~(0x3)) | codec_volume); } static unsigned short i2s_codec_get_bass(void) { unsigned short val; int ret; if(codec_base_gain == 0) val = 0; if(codec_base_gain == 1) val = 25; if(codec_base_gain == 2) val = 50; if(codec_base_gain == 3) val = 75; ret = val << 8; val |= ret; return val; } static unsigned short i2s_codec_get_mic(void) { unsigned short val; int ret; val = 100 * codec_mic_gain / 31; ret = val << 8; val |= ret; return val; } static unsigned short i2s_codec_get_volume(void) { unsigned short val; int ret; if(codec_volume == 0) val = 0; if(codec_volume == 1) val = 25; if(codec_volume == 2) val = 50; if(codec_volume == 3) val = 75; ret = val << 8; val |= ret; return val; } static unsigned long HP_register_value; static void HP_turn_on(void) { //see 1.3.4.1 REG_ICDC_CDCCR1 &= ~(ICDC_CDCCR1_SUSPD | ICDC_CDCCR1_RST); //set suspend 0 mdelay(15); REG_ICDC_CDCCR1 &= ~(ICDC_CDCCR1_PDVR | ICDC_CDCCR1_VRCGL | ICDC_CDCCR1_VRCGH); REG_ICDC_CDCCR1 |= (ICDC_CDCCR1_EDAC | ICDC_CDCCR1_HPCG); mdelay(600); REG_ICDC_CDCCR1 &= ~(ICDC_CDCCR1_PDVRA | ICDC_CDCCR1_HPCG | ICDC_CDCCR1_PDHPM | ICDC_CDCCR1_PDHP); mdelay(2); HP_register_value = REG_ICDC_CDCCR1; //see 1.3.4.2 /*REG_ICDC_CDCCR1 &= 0xfffffffc; mdelay(7); REG_ICDC_CDCCR1 |= 0x00040400; mdelay(15); REG_ICDC_CDCCR1 &= 0xfffbfbff; udelay(500); REG_ICDC_CDCCR1 &= 0xffe5fcff; REG_ICDC_CDCCR1 |= 0x01000000; mdelay(400); REG_ICDC_CDCCR1 &= 0xfffeffff; mdelay(7); HP_register_value = REG_ICDC_CDCCR1;*/ //see 1.3.4.3 } static void HP_turn_off(void) { //see 1.3.4.1 mdelay(2); REG_ICDC_CDCCR1 = HP_register_value; REG_ICDC_CDCCR1 |= 0x001b0300; REG_ICDC_CDCCR1 &= 0xfeffffff; mdelay(15); REG_ICDC_CDCCR1 |= 0x00000002;//set suspend 1 //see 1.3.4.2 /*mdelay(4); REG_ICDC_CDCCR1 = HP_register_value; REG_ICDC_CDCCR1 |= 0x001b0300; REG_ICDC_CDCCR1 &= 0xfeffffff; mdelay(4); REG_ICDC_CDCCR1 |= 0x00000400; mdelay(15); REG_ICDC_CDCCR1 &= 0xfffffdff; mdelay(7); REG_ICDC_CDCCR1 |= 0x00000002;*/ //see 1.3.4.3 } #endif static void audiohw_mute(bool mute) { if(mute) REG_ICDC_CDCCR1 |= ICDC_CDCCR1_HPMUTE; else REG_ICDC_CDCCR1 &= ~ICDC_CDCCR1_HPMUTE; } void audiohw_preinit(void) { } void audiohw_postinit(void) { audiohw_mute(false); //HP_turn_on(); } void audiohw_init(void) { i2s_codec_init(); } void audiohw_set_volume(int vol_l, int vol_r) { #ifdef HAVE_SW_VOLUME_CONTROL /* SW volume for <= 1.0 gain, HW at unity, < -740 == MUTE */ int sw_volume_l = vol_l <= -740 ? PCM_MUTE_LEVEL : MIN(vol_l, 0); int sw_volume_r = vol_r <= -740 ? PCM_MUTE_LEVEL : MIN(vol_r, 0); pcm_set_master_volume(sw_volume_l, sw_volume_r); #endif /* HAVE_SW_VOLUME_CONTROL */ /* NOTE: the channel being cut if balance is not equal will need adjusting downward so maintain proportion if using volume boost */ /* HW volume for > 1.0 gain */ int v = MAX(vol_l, vol_r); unsigned int hw_volume = v > 0 ? ICDC_CDCCR2_HPVOL(v / 20) : 0; if((REG_ICDC_CDCCR2 & ICDC_CDCCR2_HPVOL(0x3)) != hw_volume) REG_ICDC_CDCCR2 = (REG_ICDC_CDCCR2 & ~ICDC_CDCCR2_HPVOL(0x3)) | hw_volume; } void audiohw_set_frequency(int freq) { unsigned int speed; switch(freq) { case 8000: speed = ICDC_CDCCR2_SMPR(ICDC_CDCCR2_SMPR_8); break; case 11025: speed = ICDC_CDCCR2_SMPR(ICDC_CDCCR2_SMPR_11); break; case 12000: speed = ICDC_CDCCR2_SMPR(ICDC_CDCCR2_SMPR_12); break; case 16000: speed = ICDC_CDCCR2_SMPR(ICDC_CDCCR2_SMPR_16); break; case 22050: speed = ICDC_CDCCR2_SMPR(ICDC_CDCCR2_SMPR_22); break; case 24000: speed = ICDC_CDCCR2_SMPR(ICDC_CDCCR2_SMPR_24); break; case 32000: speed = ICDC_CDCCR2_SMPR(ICDC_CDCCR2_SMPR_32); break; case 44100: speed = ICDC_CDCCR2_SMPR(ICDC_CDCCR2_SMPR_44); break; case 48000: speed = ICDC_CDCCR2_SMPR(ICDC_CDCCR2_SMPR_48); break; default: return; } if((REG_ICDC_CDCCR2 & ICDC_CDCCR2_SMPR(0xF)) != speed) REG_ICDC_CDCCR2 = (REG_ICDC_CDCCR2 & ~ICDC_CDCCR2_SMPR(0xF)) | speed; } int audio_channels = 2; int audio_output_source = AUDIO_SRC_PLAYBACK; void audio_set_output_source(int source) { if((unsigned)source >= AUDIO_NUM_SOURCES) source = AUDIO_SRC_PLAYBACK; audio_output_source = source; } /* audio_set_output_source */ void audio_input_mux(int source, unsigned flags) { static int last_source = AUDIO_SRC_PLAYBACK; static bool last_recording = false; bool recording = flags & SRCF_RECORDING; switch (source) { default: /* playback - no recording */ source = AUDIO_SRC_PLAYBACK; case AUDIO_SRC_PLAYBACK: audio_channels = 2; if(source != last_source) REG_ICDC_CDCCR1 = (REG_ICDC_CDCCR1 & ~(ICDC_CDCCR1_ELININ | ICDC_CDCCR1_EMIC | ICDC_CDCCR1_EADC | ICDC_CDCCR1_SW1ON | ICDC_CDCCR1_HPMUTE)) | (ICDC_CDCCR1_EDAC | ICDC_CDCCR1_SW2ON); break; #if INPUT_SRC_CAPS & SRC_CAP_MIC case AUDIO_SRC_MIC: /* recording only */ audio_channels = 1; if(source != last_source) REG_ICDC_CDCCR1 = (REG_ICDC_CDCCR1 & ~(ICDC_CDCCR1_ELININ | ICDC_CDCCR1_EDAC | ICDC_CDCCR1_SW2ON | ICDC_CDCCR1_HPMUTE)) | (ICDC_CDCCR1_EADC | ICDC_CDCCR1_SW1ON | ICDC_CDCCR1_EMIC); break; #endif #if INPUT_SRC_CAPS & SRC_CAP_FMRADIO case AUDIO_SRC_FMRADIO: /* recording and playback */ audio_channels = 2; if(source == last_source && recording == last_recording) break; last_recording = recording; if(recording) REG_ICDC_CDCCR1 = (REG_ICDC_CDCCR1 & ~(ICDC_CDCCR1_EMIC | ICDC_CDCCR1_EDAC | ICDC_CDCCR1_SW2ON | ICDC_CDCCR1_HPMUTE)) | (ICDC_CDCCR1_EADC | ICDC_CDCCR1_SW1ON | ICDC_CDCCR1_ELININ); else REG_ICDC_CDCCR1 = (REG_ICDC_CDCCR1 & ~(ICDC_CDCCR1_EMIC | ICDC_CDCCR1_EDAC | ICDC_CDCCR1_EADC | ICDC_CDCCR1_SW2ON | ICDC_CDCCR1_HPMUTE)) | (ICDC_CDCCR1_SW1ON | ICDC_CDCCR1_ELININ); break; #endif } /* end switch */ last_source = source; } /* audio_input_mux */