From 802b57ccd7676a9f619e93a4d326cf6f524f2079 Mon Sep 17 00:00:00 2001 From: Mark Arigo Date: Fri, 13 Feb 2009 03:49:17 +0000 Subject: FM radio for Philips HDD1630. Volume was very faint unless recording was enabled, so do that too. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19996 a1c6a512-1295-4272-9138-f99709370657 --- .../arm/philips/hdd1630/fmradio_i2c-hdd1630.c | 44 ++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 firmware/target/arm/philips/hdd1630/fmradio_i2c-hdd1630.c (limited to 'firmware/target/arm/philips/hdd1630/fmradio_i2c-hdd1630.c') diff --git a/firmware/target/arm/philips/hdd1630/fmradio_i2c-hdd1630.c b/firmware/target/arm/philips/hdd1630/fmradio_i2c-hdd1630.c new file mode 100644 index 0000000000..c27ba5d462 --- /dev/null +++ b/firmware/target/arm/philips/hdd1630/fmradio_i2c-hdd1630.c @@ -0,0 +1,44 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id:$ + * + * Copyright (C) 2009 by Mark Arigo + * + * 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" + +#if (CONFIG_TUNER & TEA5767) +#include "i2c-pp.h" +#include "fmradio_i2c.h" + +/* The TEA5767 uses 5 bytes, but the pp-i2c will only read/write 4 bytes + at a time. The tuner doesn't like it when the i2c resets to send the 5th + byte. So, we can only read/write the first 4 bytes. Luckily, on read, + the 5th byte is reserved and on write we only use that for the deemphasis + bit (which we'll have to ignore). This is what the OF appears to do too. */ + +int fmradio_i2c_write(unsigned char address, const unsigned char* buf, int count) +{ + (void)count; + return i2c_sendbytes(address, 4, buf); +} + +int fmradio_i2c_read(unsigned char address, unsigned char* buf, int count) +{ + (void)count; + return i2c_readbytes(address, -1, 4, buf); +} +#endif -- cgit v1.2.3