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Diffstat (limited to 'firmware/export/i2c-pp5020.h')
-rw-r--r--firmware/export/i2c-pp5020.h46
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diff --git a/firmware/export/i2c-pp5020.h b/firmware/export/i2c-pp5020.h
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--- a/firmware/export/i2c-pp5020.h
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-/***************************************************************************
- * __________ __ ___.
- * 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