/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * PP502X and PP5002 I2C driver * * Based on code from the ipodlinux project - http://ipodlinux.org/ * Adapted for Rockbox in November 2005 * * Original file: linux/arch/armnommu/mach-ipod/hardware.c * * Copyright (c) 2003-2005 Bernard Leach (leachbj@bouncycastle.org) * * 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. * ****************************************************************************/ /* * PortalPlayer i2c driver * */ #ifndef _I2C_PP_H #define _I2C_PP_H /* TODO: Fully implement i2c driver */ /* To be used by drivers that need to do multiple i2c operations atomically */ void i2c_lock(void); void i2c_unlock(void); int i2c_readbyte(unsigned int dev_addr, int addr); int pp_i2c_send(unsigned int addr, int data0, int data1); int i2c_readbytes(unsigned int dev_addr, int addr, int len, unsigned char *data); int i2c_sendbytes(unsigned int dev_addr, int len, const unsigned char *data); #endif