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More PortalPlayer I2C unification work

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12128 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Daniel Ankers 2007-01-27 20:09:57 +00:00
parent e80470e958
commit ec0a362ea2
3 changed files with 4 additions and 54 deletions
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6
firmware/export/i2c-pp5002.h → firmware/export/i2c-pp.h
View file

@ -18,12 +18,12 @@
****************************************************************************/ ****************************************************************************/
/* /*
* PP5002 i2c driver * PortalPlayer i2c driver
* *
*/ */
#ifndef _I2C_PP5002_H #ifndef _I2C_PP_H
#define _I2C_PP5002_H #define _I2C_PP_H
#define I2C_CTRL (*(volatile unsigned char*)(I2C_BASE+0x00)) #define I2C_CTRL (*(volatile unsigned char*)(I2C_BASE+0x00))
#define I2C_ADDR (*(volatile unsigned char*)(I2C_BASE+0x04)) #define I2C_ADDR (*(volatile unsigned char*)(I2C_BASE+0x04))

46
firmware/export/i2c-pp5020.h
View file

@ -1,46 +0,0 @@
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Linus Nielsen Feltzing
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
/*
* PP5020 i2c driver
*
*/
#ifndef _I2C_PP5020_H
#define _I2C_PP5020_H
#define I2C_CTRL (*(volatile unsigned char*)(I2C_BASE+0x00))
#define I2C_ADDR (*(volatile unsigned char*)(I2C_BASE+0x04))
#define I2C_DATA(X) (*(volatile unsigned char*)(I2C_BASE+0xc+(4*X)))
#define I2C_STATUS (*(volatile unsigned char*)(I2C_BASE+0x1c))
/* I2C_CTRL bit definitions */
#define I2C_SEND 0x80
/* I2C_STATUS bit definitions */
#define I2C_BUSY (1<<6)
/* TODO: Fully implement i2c driver */
void i2c_init(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);
#endif

6
firmware/target/arm/i2c-pp.c
View file

@ -28,11 +28,7 @@
#include "kernel.h" #include "kernel.h"
#include "logf.h" #include "logf.h"
#include "system.h" #include "system.h"
#if CONFIG_I2C == I2C_PP5002 #include "i2c-pp.h"
#include "i2c-pp5002.h"
#else
#include "i2c-pp5020.h"
#endif
/* Local functions definitions */ /* Local functions definitions */