/* -------------------------------------------------------------------- *//* i2c-pcf8584.h: PCF 8584 global defines				*//* -------------------------------------------------------------------- *//*   Copyright (C) 1996 Simon G. Vogl                   1999 Hans Berglund    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 program is distributed in the hope that it will be useful,    but WITHOUT ANY WARRANTY; without even the implied warranty of    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the    GNU General Public License for more details.    You should have received a copy of the GNU General Public License    along with this program; if not, write to the Free Software    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.		*//* --------------------------------------------------------------------	*//* With some changes from Frodo Looijaard <frodol@dds.nl> */#ifndef I2C_PCF8584_H#define I2C_PCF8584_H 1/* ----- Control register bits ----------------------------------------	*/#define I2C_PCF_PIN	0x80#define I2C_PCF_ESO	0x40#define I2C_PCF_ES1	0x20#define I2C_PCF_ES2	0x10#define I2C_PCF_ENI	0x08#define I2C_PCF_STA	0x04#define I2C_PCF_STO	0x02#define I2C_PCF_ACK	0x01#define I2C_PCF_START    (I2C_PCF_PIN | I2C_PCF_ESO | I2C_PCF_STA | I2C_PCF_ACK)#define I2C_PCF_STOP     (I2C_PCF_PIN | I2C_PCF_ESO | I2C_PCF_STO | I2C_PCF_ACK)#define I2C_PCF_REPSTART (              I2C_PCF_ESO | I2C_PCF_STA | I2C_PCF_ACK)#define I2C_PCF_IDLE     (I2C_PCF_PIN | I2C_PCF_ESO               | I2C_PCF_ACK)/* ----- Status register bits -----------------------------------------	*//*#define I2C_PCF_PIN  0x80    as above*/#define I2C_PCF_INI 0x40   /* 1 if not initialized */#define I2C_PCF_STS 0x20#define I2C_PCF_BER 0x10#define I2C_PCF_AD0 0x08#define I2C_PCF_LRB 0x08#define I2C_PCF_AAS 0x04#define I2C_PCF_LAB 0x02#define I2C_PCF_BB  0x01/* ----- Chip clock frequencies ---------------------------------------	*/#define I2C_PCF_CLK3	0x00#define I2C_PCF_CLK443	0x10#define I2C_PCF_CLK6	0x14#define I2C_PCF_CLK	0x18#define I2C_PCF_CLK12	0x1c/* ----- transmission frequencies -------------------------------------	*/#define I2C_PCF_TRNS90 0x00	/*  90 kHz */#define I2C_PCF_TRNS45 0x01	/*  45 kHz */#define I2C_PCF_TRNS11 0x02	/*  11 kHz */#define I2C_PCF_TRNS15 0x03	/* 1.5 kHz *//* ----- Access to internal registers according to ES1,ES2 ------------	*//* they are mapped to the data port ( a0 = 0 ) 				*//* available when ESO == 0 :						*/#define I2C_PCF_OWNADR	0#define I2C_PCF_INTREG	I2C_PCF_ES2#define I2C_PCF_CLKREG	I2C_PCF_ES1#endif /* I2C_PCF8584_H */