sk98lin: resurrect driver

This reverts commit e1abecc48938fbe1966ea6e78267fc673fa59295.

The driver works on some hardware that skge doesn't handle yet.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 174 insertions, 0 deletions

diff --git a/drivers/net/sk98lin/h/ski2c.h b/drivers/net/sk98lin/h/ski2c.h
new file mode 100644
index 00000000000..6a63f4a15de
--- /dev/null
+++ b/drivers/net/sk98lin/h/ski2c.h
@@ -0,0 +1,174 @@
+/******************************************************************************
+ *
+ * Name:	ski2c.h
+ * Project:	Gigabit Ethernet Adapters, TWSI-Module
+ * Version:	$Revision: 1.35 $
+ * Date:	$Date: 2003/10/20 09:06:30 $
+ * Purpose:	Defines to access Voltage and Temperature Sensor
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ *	(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.
+ *
+ ******************************************************************************/
+
+/*
+ * SKI2C.H	contains all I2C specific defines
+ */
+
+#ifndef _SKI2C_H_
+#define _SKI2C_H_
+
+typedef struct  s_Sensor SK_SENSOR;
+
+#include "h/skgei2c.h"
+
+/*
+ * Define the I2C events.
+ */
+#define SK_I2CEV_IRQ	1	/* IRQ happened Event */
+#define SK_I2CEV_TIM	2	/* Timeout event */
+#define SK_I2CEV_CLEAR	3	/* Clear MIB Values */
+
+/*
+ * Define READ and WRITE Constants.
+ */
+#define I2C_READ	0
+#define I2C_WRITE	1
+#define I2C_BURST	1
+#define I2C_SINGLE	0
+
+#define SKERR_I2C_E001		(SK_ERRBASE_I2C+0)
+#define SKERR_I2C_E001MSG	"Sensor index unknown"
+#define SKERR_I2C_E002		(SKERR_I2C_E001+1)
+#define SKERR_I2C_E002MSG	"TWSI: transfer does not complete"
+#define SKERR_I2C_E003		(SKERR_I2C_E002+1)
+#define SKERR_I2C_E003MSG	"LM80: NAK on device send"
+#define SKERR_I2C_E004		(SKERR_I2C_E003+1)
+#define SKERR_I2C_E004MSG	"LM80: NAK on register send"
+#define SKERR_I2C_E005		(SKERR_I2C_E004+1)
+#define SKERR_I2C_E005MSG	"LM80: NAK on device (2) send"
+#define SKERR_I2C_E006		(SKERR_I2C_E005+1)
+#define SKERR_I2C_E006MSG	"Unknown event"
+#define SKERR_I2C_E007		(SKERR_I2C_E006+1)
+#define SKERR_I2C_E007MSG	"LM80 read out of state"
+#define SKERR_I2C_E008		(SKERR_I2C_E007+1)
+#define SKERR_I2C_E008MSG	"Unexpected sensor read completed"
+#define SKERR_I2C_E009		(SKERR_I2C_E008+1)
+#define SKERR_I2C_E009MSG	"WARNING: temperature sensor out of range"
+#define SKERR_I2C_E010		(SKERR_I2C_E009+1)
+#define SKERR_I2C_E010MSG	"WARNING: voltage sensor out of range"
+#define SKERR_I2C_E011		(SKERR_I2C_E010+1)
+#define SKERR_I2C_E011MSG	"ERROR: temperature sensor out of range"
+#define SKERR_I2C_E012		(SKERR_I2C_E011+1)
+#define SKERR_I2C_E012MSG	"ERROR: voltage sensor out of range"
+#define SKERR_I2C_E013		(SKERR_I2C_E012+1)
+#define SKERR_I2C_E013MSG	"ERROR: couldn't init sensor"
+#define SKERR_I2C_E014		(SKERR_I2C_E013+1)
+#define SKERR_I2C_E014MSG	"WARNING: fan sensor out of range"
+#define SKERR_I2C_E015		(SKERR_I2C_E014+1)
+#define SKERR_I2C_E015MSG	"ERROR: fan sensor out of range"
+#define SKERR_I2C_E016		(SKERR_I2C_E015+1)
+#define SKERR_I2C_E016MSG	"TWSI: active transfer does not complete"
+
+/*
+ * Define Timeout values
+ */
+#define SK_I2C_TIM_LONG		2000000L	/* 2 seconds */
+#define SK_I2C_TIM_SHORT	 100000L	/* 100 milliseconds */
+#define SK_I2C_TIM_WATCH	1000000L	/* 1 second */
+
+/*
+ * Define trap and error log hold times
+ */
+#ifndef	SK_SEN_ERR_TR_HOLD
+#define SK_SEN_ERR_TR_HOLD		(4*SK_TICKS_PER_SEC)
+#endif
+#ifndef	SK_SEN_ERR_LOG_HOLD
+#define SK_SEN_ERR_LOG_HOLD		(60*SK_TICKS_PER_SEC)
+#endif
+#ifndef	SK_SEN_WARN_TR_HOLD
+#define SK_SEN_WARN_TR_HOLD		(15*SK_TICKS_PER_SEC)
+#endif
+#ifndef	SK_SEN_WARN_LOG_HOLD
+#define SK_SEN_WARN_LOG_HOLD	(15*60*SK_TICKS_PER_SEC)
+#endif
+
+/*
+ * Defines for SenType
+ */
+#define SK_SEN_UNKNOWN	0
+#define SK_SEN_TEMP		1
+#define SK_SEN_VOLT		2
+#define SK_SEN_FAN		3
+
+/*
+ * Define for the SenErrorFlag
+ */
+#define SK_SEN_ERR_NOT_PRESENT	0	/* Error Flag: Sensor not present */
+#define SK_SEN_ERR_OK			1	/* Error Flag: O.K. */
+#define SK_SEN_ERR_WARN			2	/* Error Flag: Warning */
+#define SK_SEN_ERR_ERR			3	/* Error Flag: Error */
+#define SK_SEN_ERR_FAULTY		4	/* Error Flag: Faulty */
+
+/*
+ * Define the Sensor struct
+ */
+struct	s_Sensor {
+	char	*SenDesc;			/* Description */
+	int		SenType;			/* Voltage or Temperature */
+	SK_I32	SenValue;			/* Current value of the sensor */
+	SK_I32	SenThreErrHigh;		/* High error Threshhold of this sensor */
+	SK_I32	SenThreWarnHigh;	/* High warning Threshhold of this sensor */
+	SK_I32	SenThreErrLow;		/* Lower error Threshold of the sensor */
+	SK_I32	SenThreWarnLow;		/* Lower warning Threshold of the sensor */
+	int		SenErrFlag;			/* Sensor indicated an error */
+	SK_BOOL	SenInit;			/* Is sensor initialized ? */
+	SK_U64	SenErrCts;			/* Error trap counter */
+	SK_U64	SenWarnCts;			/* Warning trap counter */
+	SK_U64	SenBegErrTS;		/* Begin error timestamp */
+	SK_U64	SenBegWarnTS;		/* Begin warning timestamp */
+	SK_U64	SenLastErrTrapTS;	/* Last error trap timestamp */
+	SK_U64	SenLastErrLogTS;	/* Last error log timestamp */
+	SK_U64	SenLastWarnTrapTS;	/* Last warning trap timestamp */
+	SK_U64	SenLastWarnLogTS;	/* Last warning log timestamp */
+	int		SenState;			/* Sensor State (see HW specific include) */
+	int		(*SenRead)(SK_AC *pAC, SK_IOC IoC, struct s_Sensor *pSen);
+								/* Sensors read function */
+	SK_U16	SenReg;				/* Register Address for this sensor */
+	SK_U8	SenDev;				/* Device Selection for this sensor */
+};
+
+typedef	struct	s_I2c {
+	SK_SENSOR	SenTable[SK_MAX_SENSORS];	/* Sensor Table */
+	int			CurrSens;	/* Which sensor is currently queried */
+	int			MaxSens;	/* Max. number of sensors */
+	int			TimerMode;	/* Use the timer also to watch the state machine */
+	int			InitLevel;	/* Initialized Level */
+#ifndef SK_DIAG
+	int			DummyReads;	/* Number of non-checked dummy reads */
+	SK_TIMER	SenTimer;	/* Sensors timer */
+#endif /* !SK_DIAG */
+} SK_I2C;
+
+extern int SkI2cInit(SK_AC *pAC, SK_IOC IoC, int Level);
+#ifdef SK_DIAG
+extern	SK_U32 SkI2cRead(SK_AC *pAC, SK_IOC IoC, int Dev, int Size, int Reg,
+						 int Burst);
+#else /* !SK_DIAG */
+extern int SkI2cEvent(SK_AC *pAC, SK_IOC IoC, SK_U32 Event, SK_EVPARA Para);
+extern void SkI2cWaitIrq(SK_AC *pAC, SK_IOC IoC);
+extern void SkI2cIsr(SK_AC *pAC, SK_IOC IoC);
+#endif /* !SK_DIAG */
+#endif /* n_SKI2C_H */
+