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, 210 insertions, 0 deletions

diff --git a/drivers/net/sk98lin/h/skgei2c.h b/drivers/net/sk98lin/h/skgei2c.h
new file mode 100644
index 000000000000..d9b6f6d8dfe2
--- /dev/null
+++ b/drivers/net/sk98lin/h/skgei2c.h
@@ -0,0 +1,210 @@
+/******************************************************************************
+ *
+ * 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 */