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Onda VX747: try at implementing FM tuner support
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21160 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Maurus Cuelenaere
parent
5212f03124
commit
fd11471a3f
6 changed files with 149 additions and 19 deletions
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@ -20,9 +20,10 @@
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****************************************************************************/
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#include "config.h"
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#include "audio.h"
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#include "audiohw.h"
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#include "jz4740.h"
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#include "system.h"
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#include "audiohw.h"
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/* TODO */
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const struct sound_settings_info audiohw_settings[] = {
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@ -330,3 +331,66 @@ void audiohw_set_frequency(int freq)
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REG_ICDC_CDCCR2 = (REG_ICDC_CDCCR2 & ~ICDC_CDCCR2_SMPR(0xF)) | speed;
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}
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int audio_channels = 2;
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int audio_output_source = AUDIO_SRC_PLAYBACK;
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void audio_set_output_source(int source)
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{
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if((unsigned)source >= AUDIO_NUM_SOURCES)
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source = AUDIO_SRC_PLAYBACK;
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audio_output_source = source;
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} /* audio_set_output_source */
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void audio_input_mux(int source, unsigned flags)
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{
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static int last_source = AUDIO_SRC_PLAYBACK;
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static bool last_recording = false;
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bool recording = flags & SRCF_RECORDING;
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switch (source)
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{
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default: /* playback - no recording */
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source = AUDIO_SRC_PLAYBACK;
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case AUDIO_SRC_PLAYBACK:
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audio_channels = 2;
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if(source != last_source)
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{
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REG_ICDC_CDCCR1 = (REG_ICDC_CDCCR1 & ~(ICDC_CDCCR1_ELININ | ICDC_CDCCR1_EMIC | ICDC_CDCCR1_EADC | ICDC_CDCCR1_SW1ON | ICDC_CDCCR1_HPMUTE))
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| (ICDC_CDCCR1_EDAC | ICDC_CDCCR1_SW2ON);
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}
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break;
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case AUDIO_SRC_MIC: /* recording only */
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audio_channels = 1;
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if(source != last_source)
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{
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REG_ICDC_CDCCR1 = (REG_ICDC_CDCCR1 & ~(ICDC_CDCCR1_ELININ | ICDC_CDCCR1_EDAC | ICDC_CDCCR1_SW2ON | ICDC_CDCCR1_HPMUTE))
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| (ICDC_CDCCR1_EADC | ICDC_CDCCR1_SW1ON | ICDC_CDCCR1_EMIC);
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}
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break;
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case AUDIO_SRC_FMRADIO: /* recording and playback */
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audio_channels = 2;
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if(source == last_source && recording == last_recording)
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break;
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last_recording = recording;
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if(recording)
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{
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REG_ICDC_CDCCR1 = (REG_ICDC_CDCCR1 & ~(ICDC_CDCCR1_EMIC | ICDC_CDCCR1_EDAC | ICDC_CDCCR1_SW2ON | ICDC_CDCCR1_HPMUTE))
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| (ICDC_CDCCR1_EADC | ICDC_CDCCR1_SW1ON | ICDC_CDCCR1_ELININ);
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}
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else
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{
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REG_ICDC_CDCCR1 = (REG_ICDC_CDCCR1 & ~(ICDC_CDCCR1_EMIC | ICDC_CDCCR1_EDAC | ICDC_CDCCR1_EADC |
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ICDC_CDCCR1_SW2ON | ICDC_CDCCR1_HPMUTE)) | (ICDC_CDCCR1_SW1ON | ICDC_CDCCR1_ELININ);
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}
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break;
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} /* end switch */
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last_source = source;
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} /* audio_input_mux */
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37
firmware/target/mips/ingenic_jz47xx/fmradio-i2c-jz4740.c
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37
firmware/target/mips/ingenic_jz47xx/fmradio-i2c-jz4740.c
Normal file
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@ -0,0 +1,37 @@
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/***************************************************************************
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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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* Copyright (C) 2009 by Maurus Cuelenaere
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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 "fmradio_i2c.h"
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#include "i2c.h"
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/* fmradio i2c wrappers */
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void fmradio_i2c_init(void)
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{
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}
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int fmradio_i2c_write(unsigned char address, const unsigned char* buf, int count)
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{
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return i2c_write(address, buf, count);
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}
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int fmradio_i2c_read(unsigned char address, unsigned char* buf, int count)
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{
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return i2c_read(address, buf, count);
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}
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@ -20,6 +20,10 @@
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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 "system.h"
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#include "jz4740.h"
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#include "logf.h"
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/*
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* Jz4740 I2C routines.
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@ -42,15 +46,9 @@
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*
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*/
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#include "config.h"
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#include "system.h"
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#include "jz4740.h"
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#include "logf.h"
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/* I2C protocol */
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#define I2C_READ 1
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#define I2C_WRITE 0
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#define I2C_WRITE 0
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#define TIMEOUT 1000
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@ -84,7 +82,7 @@ static int i2c_put_data_nack(unsigned char data)
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while (__i2c_check_drf() != 0);
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while (!__i2c_transmit_ended());
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while (timeout--);
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return 0;
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}
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#endif
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@ -121,13 +119,13 @@ void i2c_setclk(unsigned int i2cclk)
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/*
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* I2C interface
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*/
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void i2c_open(void)
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static void i2c_open(void)
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{
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i2c_setclk(10000); /* default 10 KHz */
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__i2c_enable();
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}
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void i2c_close(void)
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static void i2c_close(void)
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{
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udelay(300); /* wait for STOP goes over. */
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__i2c_disable();
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@ -137,21 +135,23 @@ int i2c_read(int device, unsigned char *buf, int count)
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{
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int cnt = count;
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int timeout = 5;
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device &= 0xFF;
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i2c_open();
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L_try_again:
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if (timeout < 0)
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goto L_timeout;
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__i2c_send_nack(); /* Master does not send ACK, slave sends it */
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__i2c_send_start();
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if (i2c_put_data( (device << 1) | I2C_READ ) < 0)
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goto device_err;
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__i2c_send_ack(); /* Master sends ACK for continue reading */
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while (cnt)
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{
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if (cnt == 1)
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@ -170,7 +170,7 @@ L_try_again:
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__i2c_send_stop();
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return count - cnt;
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device_err:
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timeout--;
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__i2c_send_stop();
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@ -179,6 +179,7 @@ device_err:
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L_timeout:
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__i2c_send_stop();
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logf("Read I2C device 0x%2x failed.", device);
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i2c_close();
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return -1;
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}
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@ -186,9 +187,11 @@ int i2c_write(int device, unsigned char *buf, int count)
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{
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int cnt = count;
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int timeout = 5;
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device &= 0xFF;
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i2c_open();
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__i2c_send_nack(); /* Master does not send ACK, slave sends it */
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W_try_again:
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@ -200,7 +203,7 @@ W_try_again:
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__i2c_send_start();
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if (i2c_put_data( (device << 1) | I2C_WRITE ) < 0)
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goto device_err;
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#if 0 //CONFIG_JZ_TPANEL_ATA2508
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if (address == 0xff)
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{
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@ -226,7 +229,7 @@ W_try_again:
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__i2c_send_stop();
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return count - cnt;
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device_err:
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timeout--;
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__i2c_send_stop();
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@ -235,6 +238,7 @@ device_err:
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W_timeout:
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logf("Write I2C device 0x%2x failed.", device);
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__i2c_send_stop();
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i2c_close();
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return -1;
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}
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