drivers/net/sk98lin/h/skgei2c.h

/******************************************************************************
 *
 * Name:	skgei2c.h
 * Project:	Gigabit Ethernet Adapters, TWSI-Module
 * Version:	$Revision: 1.25 $
 * Date:	$Date: 2003/10/20 09:06:05 $
 * Purpose:	Special defines for TWSI
 *
 ******************************************************************************/

/******************************************************************************
 *
 *	(C)Copyright 1998-2002 SysKonnect.
 *	(C)Copyright 2002-2003 Marvell.
 *
 *	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.
 *
 *	The information in this file is provided "AS IS" without warranty.
 *
 ******************************************************************************/

/*
 * SKGEI2C.H	contains all SK-98xx specific defines for the TWSI handling
 */

#ifndef _INC_SKGEI2C_H_
#define _INC_SKGEI2C_H_

/*
 * Macros to access the B2_I2C_CTRL
 */
#define SK_I2C_CTL(IoC, flag, dev, dev_size, reg, burst) \
	SK_OUT32(IoC, B2_I2C_CTRL,\
		(flag ? 0x80000000UL : 0x0L) | \
		(((SK_U32)reg << 16) & I2C_ADDR) | \
		(((SK_U32)dev << 9) & I2C_DEV_SEL) | \
		(dev_size & I2C_DEV_SIZE) | \
		((burst << 4) & I2C_BURST_LEN))

#define SK_I2C_STOP(IoC) {				\
	SK_U32	I2cCtrl;				\
	SK_IN32(IoC, B2_I2C_CTRL, &I2cCtrl);		\
	SK_OUT32(IoC, B2_I2C_CTRL, I2cCtrl | I2C_STOP);	\
}

#define SK_I2C_GET_CTL(IoC, pI2cCtrl)	SK_IN32(IoC, B2_I2C_CTRL, pI2cCtrl)

/*
 * Macros to access the TWSI SW Registers
 */
#define SK_I2C_SET_BIT(IoC, SetBits) {			\
	SK_U8	OrgBits;				\
	SK_IN8(IoC, B2_I2C_SW, &OrgBits);		\
	SK_OUT8(IoC, B2_I2C_SW, OrgBits | (SK_U8)(SetBits));	\
}

#define SK_I2C_CLR_BIT(IoC, ClrBits) {			\
	SK_U8	OrgBits;				\
	SK_IN8(IoC, B2_I2C_SW, &OrgBits);		\
	SK_OUT8(IoC, B2_I2C_SW, OrgBits & ~((SK_U8)(ClrBits)));	\
}

#define SK_I2C_GET_SW(IoC, pI2cSw)	SK_IN8(IoC, B2_I2C_SW, pI2cSw)

/*
 * define the possible sensor states
 */
#define	SK_SEN_IDLE		0	/* Idle: sensor not read */
#define	SK_SEN_VALUE	1	/* Value Read cycle */
#define	SK_SEN_VALEXT	2	/* Extended Value Read cycle */

/*
 * Conversion factor to convert read Voltage sensor to milli Volt
 * Conversion factor to convert read Temperature sensor to 10th degree Celsius
 */
#define	SK_LM80_VT_LSB		22	/* 22mV LSB resolution */
#define	SK_LM80_TEMP_LSB	10	/* 1 degree LSB resolution */
#define	SK_LM80_TEMPEXT_LSB	 5	/* 0.5 degree LSB resolution for ext. val. */

/*
 * formula: counter = (22500*60)/(rpm * divisor * pulses/2)
 * assuming: 6500rpm, 4 pulses, divisor 1
 */
#define SK_LM80_FAN_FAKTOR	((22500L*60)/(1*2))

/*
 * Define sensor management data
 * Maximum is reached on Genesis copper dual port and Yukon-64
 * Board specific maximum is in pAC->I2c.MaxSens
 */
#define	SK_MAX_SENSORS	8	/* maximal no. of installed sensors */
#define	SK_MIN_SENSORS	5	/* minimal no. of installed sensors */

/*
 * To watch the state machine (SM) use the timer in two ways
 * instead of one as hitherto
 */
#define	SK_TIMER_WATCH_SM		0	/* Watch the SM to finish in a spec. time */
#define	SK_TIMER_NEW_GAUGING	1	/* Start a new gauging when timer expires */

/*
 * Defines for the individual thresholds
 */

/* Temperature sensor */
#define	SK_SEN_TEMP_HIGH_ERR	800	/* Temperature High Err  Threshold */
#define	SK_SEN_TEMP_HIGH_WARN	700	/* Temperature High Warn Threshold */
#define	SK_SEN_TEMP_LOW_WARN	100	/* Temperature Low  Warn Threshold */
#define	SK_SEN_TEMP_LOW_ERR		  0	/* Temperature Low  Err  Threshold */

/* VCC which should be 5 V */
#define	SK_SEN_PCI_5V_HIGH_ERR		5588	/* Voltage PCI High Err  Threshold */
#define	SK_SEN_PCI_5V_HIGH_WARN		5346	/* Voltage PCI High Warn Threshold */
#define	SK_SEN_PCI_5V_LOW_WARN		4664	/* Voltage PCI Low  Warn Threshold */
#define	SK_SEN_PCI_5V_LOW_ERR		4422	/* Voltage PCI Low  Err  Threshold */

/*
 * VIO may be 5 V or 3.3 V. Initialization takes two parts:
 * 1. Initialize lowest lower limit and highest higher limit.
 * 2. After the first value is read correct the upper or the lower limit to
 *    the appropriate C constant.
 *
 * Warning limits are +-5% of the exepected voltage.
 * Error limits are +-10% of the expected voltage.
 */

/* Bug fix AF: 16.Aug.2001: Correct the init base of LM80 sensor */

#define	SK_SEN_PCI_IO_5V_HIGH_ERR	5566	/* + 10% V PCI-IO High Err Threshold */
#define	SK_SEN_PCI_IO_5V_HIGH_WARN	5324	/* +  5% V PCI-IO High Warn Threshold */
					/*		5000	mVolt */
#define	SK_SEN_PCI_IO_5V_LOW_WARN	4686	/* -  5% V PCI-IO Low Warn Threshold */
#define	SK_SEN_PCI_IO_5V_LOW_ERR	4444	/* - 10% V PCI-IO Low Err Threshold */

#define	SK_SEN_PCI_IO_RANGE_LIMITER	4000	/* 4000 mV range delimiter */

/* correction values for the second pass */
#define	SK_SEN_PCI_IO_3V3_HIGH_ERR	3850	/* + 15% V PCI-IO High Err Threshold */
#define	SK_SEN_PCI_IO_3V3_HIGH_WARN	3674	/* + 10% V PCI-IO High Warn Threshold */
					/*		3300	mVolt */
#define	SK_SEN_PCI_IO_3V3_LOW_WARN	2926	/* - 10% V PCI-IO Low Warn Threshold */
#define	SK_SEN_PCI_IO_3V3_LOW_ERR	2772	/* - 15% V PCI-IO Low Err  Threshold */

/*
 * VDD voltage
 */
#define	SK_SEN_VDD_HIGH_ERR		3630	/* Voltage ASIC High Err  Threshold */
#define	SK_SEN_VDD_HIGH_WARN	3476	/* Voltage ASIC High Warn Threshold */
#define	SK_SEN_VDD_LOW_WARN		3146	/* Voltage ASIC Low  Warn Threshold */
#define	SK_SEN_VDD_LOW_ERR		2970	/* Voltage ASIC Low  Err  Threshold */

/*
 * PHY PLL 3V3 voltage
 */
#define	SK_SEN_PLL_3V3_HIGH_ERR		3630	/* Voltage PMA High Err  Threshold */
#define	SK_SEN_PLL_3V3_HIGH_WARN	3476	/* Voltage PMA High Warn Threshold */
#define	SK_SEN_PLL_3V3_LOW_WARN		3146	/* Voltage PMA Low  Warn Threshold */
#define	SK_SEN_PLL_3V3_LOW_ERR		2970	/* Voltage PMA Low  Err  Threshold */

/*
 * VAUX (YUKON only)
 */
#define	SK_SEN_VAUX_3V3_HIGH_ERR	3630	/* Voltage VAUX High Err Threshold */
#define	SK_SEN_VAUX_3V3_HIGH_WARN	3476	/* Voltage VAUX High Warn Threshold */
#define	SK_SEN_VAUX_3V3_LOW_WARN	3146	/* Voltage VAUX Low Warn Threshold */
#define	SK_SEN_VAUX_3V3_LOW_ERR		2970	/* Voltage VAUX Low Err Threshold */
#define	SK_SEN_VAUX_0V_WARN_ERR		   0	/* if VAUX not present */
#define	SK_SEN_VAUX_RANGE_LIMITER	1000	/* 1000 mV range delimiter */

/*
 * PHY 2V5 voltage
 */
#define	SK_SEN_PHY_2V5_HIGH_ERR		2750	/* Voltage PHY High Err Threshold */
#define	SK_SEN_PHY_2V5_HIGH_WARN	2640	/* Voltage PHY High Warn Threshold */
#define	SK_SEN_PHY_2V5_LOW_WARN		2376	/* Voltage PHY Low Warn Threshold */
#define	SK_SEN_PHY_2V5_LOW_ERR		2222	/* Voltage PHY Low Err Threshold */

/*
 * ASIC Core 1V5 voltage (YUKON only)
 */
#define	SK_SEN_CORE_1V5_HIGH_ERR	1650	/* Voltage ASIC Core High Err Threshold */
#define	SK_SEN_CORE_1V5_HIGH_WARN	1575	/* Voltage ASIC Core High Warn Threshold */
#define	SK_SEN_CORE_1V5_LOW_WARN	1425	/* Voltage ASIC Core Low Warn Threshold */
#define	SK_SEN_CORE_1V5_LOW_ERR 	1350	/* Voltage ASIC Core Low Err Threshold */

/*
 * FAN 1 speed
 */
/* assuming: 6500rpm +-15%, 4 pulses,
 * warning at:	80 %
 * error at:	70 %
 * no upper limit
 */
#define	SK_SEN_FAN_HIGH_ERR		20000	/* FAN Speed High Err Threshold */
#define	SK_SEN_FAN_HIGH_WARN	20000	/* FAN Speed High Warn Threshold */
#define	SK_SEN_FAN_LOW_WARN		 5200	/* FAN Speed Low Warn Threshold */
#define	SK_SEN_FAN_LOW_ERR		 4550	/* FAN Speed Low Err Threshold */

/*
 * Some Voltages need dynamic thresholds
 */
#define	SK_SEN_DYN_INIT_NONE		 0  /* No dynamic init of thresholds */
#define	SK_SEN_DYN_INIT_PCI_IO		10  /* Init PCI-IO with new thresholds */
#define	SK_SEN_DYN_INIT_VAUX		11  /* Init VAUX with new thresholds */

extern	int SkLm80ReadSensor(SK_AC *pAC, SK_IOC IoC, SK_SENSOR *pSen);
#endif	/* n_INC_SKGEI2C_H */