diff options
Diffstat (limited to 'firmware/target/coldfire/iriver')
-rw-r--r-- | firmware/target/coldfire/iriver/udacodec-iriver.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/firmware/target/coldfire/iriver/udacodec-iriver.c b/firmware/target/coldfire/iriver/udacodec-iriver.c new file mode 100644 index 0000000000..6c41964ffa --- /dev/null +++ b/firmware/target/coldfire/iriver/udacodec-iriver.c @@ -0,0 +1,76 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2009 by Bertrik Sikken + * + * 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 "kernel.h" +#include "i2c-coldfire.h" +#include "pcf50606.h" +#include "uda1380.h" +#include "udacodec.h" + +void udacodec_reset(void) +{ +#ifdef IRIVER_H300_SERIES + int mask = disable_irq_save(); + pcf50606_write(0x3b, 0x00); /* GPOOD2 high Z */ + pcf50606_write(0x3b, 0x07); /* GPOOD2 low */ + restore_irq(mask); +#else + /* RESET signal */ + or_l(1<<29, &GPIO_OUT); + or_l(1<<29, &GPIO_ENABLE); + or_l(1<<29, &GPIO_FUNCTION); + sleep(HZ/100); + and_l(~(1<<29), &GPIO_OUT); +#endif +} + +int udacodec_write(unsigned char reg, unsigned short value) +{ + unsigned char data[3]; + + data[0] = reg; + data[1] = value >> 8; + data[2] = value & 0xff; + + if (i2c_write(I2C_IFACE_0, UDA1380_ADDR, data, 3) != 3) { + return -1; + } + return 0; +} + +int udacodec_write2(unsigned char reg, + unsigned short value1, unsigned short value2) +{ + unsigned char data[5]; + + data[0] = reg; + data[1] = value1 >> 8; + data[2] = value1 & 0xFF; + data[3] = value2 >> 8; + data[4] = value2 & 0xFF; + + if (i2c_write(I2C_IFACE_0, UDA1380_ADDR, data, 5) != 5) { + return -1; + } + return 0; +} + |