[linux.git] / drivers / net / tlan.h

#ifndef TLAN_H
#define TLAN_H
/********************************************************************
 *
 *  Linux ThunderLAN Driver
 *
 *  tlan.h
 *  by James Banks
 *
 *  (C) 1997-1998 Caldera, Inc.
 *  (C) 1999-2001 Torben Mathiasen
 *
 *  This software may be used and distributed according to the terms
 *  of the GNU General Public License, incorporated herein by reference.
 *
 *
 *  Dec 10, 1999	Torben Mathiasen <[email protected]>
 *			New Maintainer
 *
 ********************************************************************/


#include <linux/io.h>
#include <linux/types.h>
#include <linux/netdevice.h>


	/*****************************************************************
	 * TLan Definitions
	 *
	 ****************************************************************/

#define TLAN_MIN_FRAME_SIZE	64
#define TLAN_MAX_FRAME_SIZE	1600

#define TLAN_NUM_RX_LISTS	32
#define TLAN_NUM_TX_LISTS	64

#define TLAN_IGNORE		0
#define TLAN_RECORD		1

#define TLAN_DBG(lvl, format, args...)					\
	do {								\
		if (debug&lvl)						\
			printk(KERN_DEBUG "TLAN: " format, ##args);	\
	} while (0)

#define TLAN_DEBUG_GNRL		0x0001
#define TLAN_DEBUG_TX		0x0002
#define TLAN_DEBUG_RX		0x0004
#define TLAN_DEBUG_LIST		0x0008
#define TLAN_DEBUG_PROBE	0x0010

#define TX_TIMEOUT		(10*HZ)	 /* We need time for auto-neg */
#define MAX_TLAN_BOARDS		8	 /* Max number of boards installed
					    at a time */


	/*****************************************************************
	 * Device Identification Definitions
	 *
	 ****************************************************************/

#define PCI_DEVICE_ID_NETELLIGENT_10_T2			0xB012
#define PCI_DEVICE_ID_NETELLIGENT_10_100_WS_5100	0xB030
#ifndef PCI_DEVICE_ID_OLICOM_OC2183
#define PCI_DEVICE_ID_OLICOM_OC2183			0x0013
#endif
#ifndef PCI_DEVICE_ID_OLICOM_OC2325
#define PCI_DEVICE_ID_OLICOM_OC2325			0x0012
#endif
#ifndef PCI_DEVICE_ID_OLICOM_OC2326
#define PCI_DEVICE_ID_OLICOM_OC2326			0x0014
#endif

struct tlan_adapter_entry {
	u16	vendor_id;
	u16	device_id;
	char	*device_label;
	u32	flags;
	u16	addr_ofs;
};

#define TLAN_ADAPTER_NONE		0x00000000
#define TLAN_ADAPTER_UNMANAGED_PHY	0x00000001
#define TLAN_ADAPTER_BIT_RATE_PHY	0x00000002
#define TLAN_ADAPTER_USE_INTERN_10	0x00000004
#define TLAN_ADAPTER_ACTIVITY_LED	0x00000008

#define TLAN_SPEED_DEFAULT	0
#define TLAN_SPEED_10		10
#define TLAN_SPEED_100		100

#define TLAN_DUPLEX_DEFAULT	0
#define TLAN_DUPLEX_HALF	1
#define TLAN_DUPLEX_FULL	2


	/*****************************************************************
	 * EISA Definitions
	 *
	 ****************************************************************/

#define EISA_ID      0xc80   /* EISA ID Registers */
#define EISA_ID0     0xc80   /* EISA ID Register 0 */
#define EISA_ID1     0xc81   /* EISA ID Register 1 */
#define EISA_ID2     0xc82   /* EISA ID Register 2 */
#define EISA_ID3     0xc83   /* EISA ID Register 3 */
#define EISA_CR      0xc84   /* EISA Control Register */
#define EISA_REG0    0xc88   /* EISA Configuration Register 0 */
#define EISA_REG1    0xc89   /* EISA Configuration Register 1 */
#define EISA_REG2    0xc8a   /* EISA Configuration Register 2 */
#define EISA_REG3    0xc8f   /* EISA Configuration Register 3 */
#define EISA_APROM   0xc90   /* Ethernet Address PROM */


	/*****************************************************************
	 * Rx/Tx List Definitions
	 *
	 ****************************************************************/

#define TLAN_BUFFERS_PER_LIST	10
#define TLAN_LAST_BUFFER	0x80000000
#define TLAN_CSTAT_UNUSED	0x8000
#define TLAN_CSTAT_FRM_CMP	0x4000
#define TLAN_CSTAT_READY	0x3000
#define TLAN_CSTAT_EOC		0x0800
#define TLAN_CSTAT_RX_ERROR	0x0400
#define TLAN_CSTAT_PASS_CRC	0x0200
#define TLAN_CSTAT_DP_PR	0x0100


struct tlan_buffer {
	u32	count;
	u32	address;
};


struct tlan_list {
	u32		forward;
	u16		c_stat;
	u16		frame_size;
	struct tlan_buffer buffer[TLAN_BUFFERS_PER_LIST];
};


typedef u8 TLanBuffer[TLAN_MAX_FRAME_SIZE];


	/*****************************************************************
	 * PHY definitions
	 *
	 ****************************************************************/

#define TLAN_PHY_MAX_ADDR	0x1F
#define TLAN_PHY_NONE		0x20


	/*****************************************************************
	 * TLAN Private Information Structure
	 *
	 ****************************************************************/

struct tlan_priv {
	struct net_device       *next_device;
	struct pci_dev		*pci_dev;
	struct net_device       *dev;
	void			*dma_storage;
	dma_addr_t		dma_storage_dma;
	unsigned int		dma_size;
	u8			*pad_buffer;
	struct tlan_list	*rx_list;
	dma_addr_t		rx_list_dma;
	u8			*rx_buffer;
	dma_addr_t		rx_buffer_dma;
	u32			rx_head;
	u32			rx_tail;
	u32			rx_eoc_count;
	struct tlan_list	*tx_list;
	dma_addr_t		tx_list_dma;
	u8			*tx_buffer;
	dma_addr_t		tx_buffer_dma;
	u32			tx_head;
	u32			tx_in_progress;
	u32			tx_tail;
	u32			tx_busy_count;
	u32			phy_online;
	u32			timer_set_at;
	u32			timer_type;
	struct timer_list	timer;
	struct board		*adapter;
	u32			adapter_rev;
	u32			aui;
	u32			debug;
	u32			duplex;
	u32			phy[2];
	u32			phy_num;
	u32			speed;
	u8			tlan_rev;
	u8			tlan_full_duplex;
	spinlock_t		lock;
	u8			link;
	u8			is_eisa;
	struct work_struct			tlan_tqueue;
	u8			neg_be_verbose;
};


	/*****************************************************************
	 * TLan Driver Timer Definitions
	 *
	 ****************************************************************/

#define TLAN_TIMER_LINK_BEAT		1
#define TLAN_TIMER_ACTIVITY		2
#define TLAN_TIMER_PHY_PDOWN		3
#define TLAN_TIMER_PHY_PUP		4
#define TLAN_TIMER_PHY_RESET		5
#define TLAN_TIMER_PHY_START_LINK	6
#define TLAN_TIMER_PHY_FINISH_AN	7
#define TLAN_TIMER_FINISH_RESET		8

#define TLAN_TIMER_ACT_DELAY		(HZ/10)


	/*****************************************************************
	 * TLan Driver Eeprom Definitions
	 *
	 ****************************************************************/

#define TLAN_EEPROM_ACK		0
#define TLAN_EEPROM_STOP	1


	/*****************************************************************
	 * Host Register Offsets and Contents
	 *
	 ****************************************************************/

#define TLAN_HOST_CMD			0x00
#define	TLAN_HC_GO		0x80000000
#define		TLAN_HC_STOP		0x40000000
#define		TLAN_HC_ACK		0x20000000
#define		TLAN_HC_CS_MASK		0x1FE00000
#define		TLAN_HC_EOC		0x00100000
#define		TLAN_HC_RT		0x00080000
#define		TLAN_HC_NES		0x00040000
#define		TLAN_HC_AD_RST		0x00008000
#define		TLAN_HC_LD_TMR		0x00004000
#define		TLAN_HC_LD_THR		0x00002000
#define		TLAN_HC_REQ_INT		0x00001000
#define		TLAN_HC_INT_OFF		0x00000800
#define		TLAN_HC_INT_ON		0x00000400
#define		TLAN_HC_AC_MASK		0x000000FF
#define TLAN_CH_PARM			0x04
#define TLAN_DIO_ADR			0x08
#define		TLAN_DA_ADR_INC		0x8000
#define		TLAN_DA_RAM_ADR		0x4000
#define TLAN_HOST_INT			0x0A
#define		TLAN_HI_IV_MASK		0x1FE0
#define		TLAN_HI_IT_MASK		0x001C
#define TLAN_DIO_DATA			0x0C


/* ThunderLAN Internal Register DIO Offsets */

#define TLAN_NET_CMD			0x00
#define		TLAN_NET_CMD_NRESET	0x80
#define		TLAN_NET_CMD_NWRAP	0x40
#define		TLAN_NET_CMD_CSF	0x20
#define		TLAN_NET_CMD_CAF	0x10
#define		TLAN_NET_CMD_NOBRX	0x08
#define		TLAN_NET_CMD_DUPLEX	0x04
#define		TLAN_NET_CMD_TRFRAM	0x02
#define		TLAN_NET_CMD_TXPACE	0x01
#define TLAN_NET_SIO			0x01
#define	TLAN_NET_SIO_MINTEN	0x80
#define		TLAN_NET_SIO_ECLOK	0x40
#define		TLAN_NET_SIO_ETXEN	0x20
#define		TLAN_NET_SIO_EDATA	0x10
#define		TLAN_NET_SIO_NMRST	0x08
#define		TLAN_NET_SIO_MCLK	0x04
#define		TLAN_NET_SIO_MTXEN	0x02
#define		TLAN_NET_SIO_MDATA	0x01
#define TLAN_NET_STS			0x02
#define		TLAN_NET_STS_MIRQ	0x80
#define		TLAN_NET_STS_HBEAT	0x40
#define		TLAN_NET_STS_TXSTOP	0x20
#define		TLAN_NET_STS_RXSTOP	0x10
#define		TLAN_NET_STS_RSRVD	0x0F
#define TLAN_NET_MASK			0x03
#define		TLAN_NET_MASK_MASK7	0x80
#define		TLAN_NET_MASK_MASK6	0x40
#define		TLAN_NET_MASK_MASK5	0x20
#define		TLAN_NET_MASK_MASK4	0x10
#define		TLAN_NET_MASK_RSRVD	0x0F
#define TLAN_NET_CONFIG			0x04
#define	TLAN_NET_CFG_RCLK	0x8000
#define		TLAN_NET_CFG_TCLK	0x4000
#define		TLAN_NET_CFG_BIT	0x2000
#define		TLAN_NET_CFG_RXCRC	0x1000
#define		TLAN_NET_CFG_PEF	0x0800
#define		TLAN_NET_CFG_1FRAG	0x0400
#define		TLAN_NET_CFG_1CHAN	0x0200
#define		TLAN_NET_CFG_MTEST	0x0100
#define		TLAN_NET_CFG_PHY_EN	0x0080
#define		TLAN_NET_CFG_MSMASK	0x007F
#define TLAN_MAN_TEST			0x06
#define TLAN_DEF_VENDOR_ID		0x08
#define TLAN_DEF_DEVICE_ID		0x0A
#define TLAN_DEF_REVISION		0x0C
#define TLAN_DEF_SUBCLASS		0x0D
#define TLAN_DEF_MIN_LAT		0x0E
#define TLAN_DEF_MAX_LAT		0x0F
#define TLAN_AREG_0			0x10
#define TLAN_AREG_1			0x16
#define TLAN_AREG_2			0x1C
#define TLAN_AREG_3			0x22
#define TLAN_HASH_1			0x28
#define TLAN_HASH_2			0x2C
#define TLAN_GOOD_TX_FRMS		0x30
#define TLAN_TX_UNDERUNS		0x33
#define TLAN_GOOD_RX_FRMS		0x34
#define TLAN_RX_OVERRUNS		0x37
#define TLAN_DEFERRED_TX		0x38
#define TLAN_CRC_ERRORS			0x3A
#define TLAN_CODE_ERRORS		0x3B
#define TLAN_MULTICOL_FRMS		0x3C
#define TLAN_SINGLECOL_FRMS		0x3E
#define TLAN_EXCESSCOL_FRMS		0x40
#define TLAN_LATE_COLS			0x41
#define TLAN_CARRIER_LOSS		0x42
#define TLAN_ACOMMIT			0x43
#define TLAN_LED_REG			0x44
#define		TLAN_LED_ACT		0x10
#define		TLAN_LED_LINK		0x01
#define TLAN_BSIZE_REG			0x45
#define TLAN_MAX_RX			0x46
#define TLAN_INT_DIS			0x48
#define		TLAN_ID_TX_EOC		0x04
#define		TLAN_ID_RX_EOF		0x02
#define		TLAN_ID_RX_EOC		0x01


/* ThunderLAN Interrupt Codes */

#define TLAN_INT_NUMBER_OF_INTS	8

#define TLAN_INT_NONE			0x0000
#define TLAN_INT_TX_EOF			0x0001
#define TLAN_INT_STAT_OVERFLOW		0x0002
#define TLAN_INT_RX_EOF			0x0003
#define TLAN_INT_DUMMY			0x0004
#define TLAN_INT_TX_EOC			0x0005
#define TLAN_INT_STATUS_CHECK		0x0006
#define TLAN_INT_RX_EOC			0x0007


/* ThunderLAN MII Registers */

/* Generic MII/PHY Registers */

#define MII_GEN_CTL			0x00
#define	MII_GC_RESET		0x8000
#define		MII_GC_LOOPBK		0x4000
#define		MII_GC_SPEEDSEL		0x2000
#define		MII_GC_AUTOENB		0x1000
#define		MII_GC_PDOWN		0x0800
#define		MII_GC_ISOLATE		0x0400
#define		MII_GC_AUTORSRT		0x0200
#define		MII_GC_DUPLEX		0x0100
#define		MII_GC_COLTEST		0x0080
#define		MII_GC_RESERVED		0x007F
#define MII_GEN_STS			0x01
#define		MII_GS_100BT4		0x8000
#define		MII_GS_100BTXFD		0x4000
#define		MII_GS_100BTXHD		0x2000
#define		MII_GS_10BTFD		0x1000
#define		MII_GS_10BTHD		0x0800
#define		MII_GS_RESERVED		0x07C0
#define		MII_GS_AUTOCMPLT	0x0020
#define		MII_GS_RFLT		0x0010
#define		MII_GS_AUTONEG		0x0008
#define		MII_GS_LINK		0x0004
#define		MII_GS_JABBER		0x0002
#define		MII_GS_EXTCAP		0x0001
#define MII_GEN_ID_HI			0x02
#define MII_GEN_ID_LO			0x03
#define	MII_GIL_OUI		0xFC00
#define	MII_GIL_MODEL		0x03F0
#define	MII_GIL_REVISION	0x000F
#define MII_AN_ADV			0x04
#define MII_AN_LPA			0x05
#define MII_AN_EXP			0x06

/* ThunderLAN Specific MII/PHY Registers */

#define TLAN_TLPHY_ID			0x10
#define TLAN_TLPHY_CTL			0x11
#define	TLAN_TC_IGLINK		0x8000
#define		TLAN_TC_SWAPOL		0x4000
#define		TLAN_TC_AUISEL		0x2000
#define		TLAN_TC_SQEEN		0x1000
#define		TLAN_TC_MTEST		0x0800
#define		TLAN_TC_RESERVED	0x07F8
#define		TLAN_TC_NFEW		0x0004
#define		TLAN_TC_INTEN		0x0002
#define		TLAN_TC_TINT		0x0001
#define TLAN_TLPHY_STS			0x12
#define		TLAN_TS_MINT		0x8000
#define		TLAN_TS_PHOK		0x4000
#define		TLAN_TS_POLOK		0x2000
#define		TLAN_TS_TPENERGY	0x1000
#define		TLAN_TS_RESERVED	0x0FFF
#define TLAN_TLPHY_PAR			0x19
#define		TLAN_PHY_CIM_STAT	0x0020
#define		TLAN_PHY_SPEED_100	0x0040
#define		TLAN_PHY_DUPLEX_FULL	0x0080
#define		TLAN_PHY_AN_EN_STAT     0x0400

/* National Sem. & Level1 PHY id's */
#define NAT_SEM_ID1			0x2000
#define NAT_SEM_ID2			0x5C01
#define LEVEL1_ID1			0x7810
#define LEVEL1_ID2			0x0000

#define CIRC_INC(a, b) if (++a >= b) a = 0

/* Routines to access internal registers. */

static inline u8 tlan_dio_read8(u16 base_addr, u16 internal_addr)
{
	outw(internal_addr, base_addr + TLAN_DIO_ADR);
	return inb((base_addr + TLAN_DIO_DATA) + (internal_addr & 0x3));

}


static inline u16 tlan_dio_read16(u16 base_addr, u16 internal_addr)
{
	outw(internal_addr, base_addr + TLAN_DIO_ADR);
	return inw((base_addr + TLAN_DIO_DATA) + (internal_addr & 0x2));

}


static inline u32 tlan_dio_read32(u16 base_addr, u16 internal_addr)
{
	outw(internal_addr, base_addr + TLAN_DIO_ADR);
	return inl(base_addr + TLAN_DIO_DATA);

}


static inline void tlan_dio_write8(u16 base_addr, u16 internal_addr, u8 data)
{
	outw(internal_addr, base_addr + TLAN_DIO_ADR);
	outb(data, base_addr + TLAN_DIO_DATA + (internal_addr & 0x3));

}


static inline void tlan_dio_write16(u16 base_addr, u16 internal_addr, u16 data)
{
	outw(internal_addr, base_addr + TLAN_DIO_ADR);
	outw(data, base_addr + TLAN_DIO_DATA + (internal_addr & 0x2));

}


static inline void tlan_dio_write32(u16 base_addr, u16 internal_addr, u32 data)
{
	outw(internal_addr, base_addr + TLAN_DIO_ADR);
	outl(data, base_addr + TLAN_DIO_DATA + (internal_addr & 0x2));

}

#define tlan_clear_bit(bit, port)	outb_p(inb_p(port) & ~bit, port)
#define tlan_get_bit(bit, port)	((int) (inb_p(port) & bit))
#define tlan_set_bit(bit, port)	outb_p(inb_p(port) | bit, port)

/*
 * given 6 bytes, view them as 8 6-bit numbers and return the XOR of those
 * the code below is about seven times as fast as the original code
 *
 * The original code was:
 *
 * u32	xor(u32 a, u32 b) {	return ((a && !b ) || (! a && b )); }
 *
 * #define XOR8(a, b, c, d, e, f, g, h)	\
 *	xor(a, xor(b, xor(c, xor(d, xor(e, xor(f, xor(g, h)) ) ) ) ) )
 * #define DA(a, bit)		(( (u8) a[bit/8] ) & ( (u8) (1 << bit%8)) )
 *
 *	hash  = XOR8(DA(a,0), DA(a, 6), DA(a,12), DA(a,18), DA(a,24),
 *		      DA(a,30), DA(a,36), DA(a,42));
 *	hash |= XOR8(DA(a,1), DA(a, 7), DA(a,13), DA(a,19), DA(a,25),
 *		      DA(a,31), DA(a,37), DA(a,43)) << 1;
 *	hash |= XOR8(DA(a,2), DA(a, 8), DA(a,14), DA(a,20), DA(a,26),
 *		      DA(a,32), DA(a,38), DA(a,44)) << 2;
 *	hash |= XOR8(DA(a,3), DA(a, 9), DA(a,15), DA(a,21), DA(a,27),
 *		      DA(a,33), DA(a,39), DA(a,45)) << 3;
 *	hash |= XOR8(DA(a,4), DA(a,10), DA(a,16), DA(a,22), DA(a,28),
 *		      DA(a,34), DA(a,40), DA(a,46)) << 4;
 *	hash |= XOR8(DA(a,5), DA(a,11), DA(a,17), DA(a,23), DA(a,29),
 *		      DA(a,35), DA(a,41), DA(a,47)) << 5;
 *
 */
static inline u32 tlan_hash_func(const u8 *a)
{
	u8     hash;

	hash = (a[0]^a[3]);		/* & 077 */
	hash ^= ((a[0]^a[3])>>6);	/* & 003 */
	hash ^= ((a[1]^a[4])<<2);	/* & 074 */
	hash ^= ((a[1]^a[4])>>4);	/* & 017 */
	hash ^= ((a[2]^a[5])<<4);	/* & 060 */
	hash ^= ((a[2]^a[5])>>2);	/* & 077 */

	return hash & 077;
}
#endif
Commit	Line	Data
1da177e4 LT	1	#ifndef TLAN_H
	2	#define TLAN_H
	3	/********************************************************************
	4	*
	5	* Linux ThunderLAN Driver
	6	*
	7	* tlan.h
	8	* by James Banks
	9	*
	10	* (C) 1997-1998 Caldera, Inc.
	11	* (C) 1999-2001 Torben Mathiasen
6aa20a22	12	*
1da177e4 LT	13	* This software may be used and distributed according to the terms
	14	* of the GNU General Public License, incorporated herein by reference.
	15	*
6aa20a22	16	*
1da177e4 LT	17	* Dec 10, 1999 Torben Mathiasen <[email protected]>
	18	* New Maintainer
	19	*
	20	********************************************************************/
	21
	22
c659c38b SA	23	#include <linux/io.h>
c659c38b SA	24	#include <linux/types.h>
1da177e4 LT	25	#include <linux/netdevice.h>
	26
	27
	28
	29	/*****************************************************************
	30	* TLan Definitions
	31	*
	32	****************************************************************/
	33
1da177e4 LT	34	#define TLAN_MIN_FRAME_SIZE 64
	35	#define TLAN_MAX_FRAME_SIZE 1600
	36
	37	#define TLAN_NUM_RX_LISTS 32
	38	#define TLAN_NUM_TX_LISTS 64
	39
	40	#define TLAN_IGNORE 0
	41	#define TLAN_RECORD 1
	42
c659c38b SA	43	#define TLAN_DBG(lvl, format, args...) \
	44	do { \
	45	if (debug&lvl) \
	46	printk(KERN_DEBUG "TLAN: " format, ##args); \
	47	} while (0)
dfc2c0a6	48
1da177e4 LT	49	#define TLAN_DEBUG_GNRL 0x0001
1da177e4 LT	50	#define TLAN_DEBUG_TX 0x0002
6aa20a22	51	#define TLAN_DEBUG_RX 0x0004
1da177e4 LT	52	#define TLAN_DEBUG_LIST 0x0008
	53	#define TLAN_DEBUG_PROBE 0x0010
	54
	55	#define TX_TIMEOUT (10HZ) / We need time for auto-neg */
c659c38b SA	56	#define MAX_TLAN_BOARDS 8 /* Max number of boards installed
c659c38b SA	57	at a time */
1da177e4 LT	58
	59
	60	/*****************************************************************
	61	* Device Identification Definitions
	62	*
	63	****************************************************************/
6aa20a22	64
1da177e4 LT	65	#define PCI_DEVICE_ID_NETELLIGENT_10_T2 0xB012
	66	#define PCI_DEVICE_ID_NETELLIGENT_10_100_WS_5100 0xB030
	67	#ifndef PCI_DEVICE_ID_OLICOM_OC2183
	68	#define PCI_DEVICE_ID_OLICOM_OC2183 0x0013
	69	#endif
	70	#ifndef PCI_DEVICE_ID_OLICOM_OC2325
	71	#define PCI_DEVICE_ID_OLICOM_OC2325 0x0012
	72	#endif
	73	#ifndef PCI_DEVICE_ID_OLICOM_OC2326
	74	#define PCI_DEVICE_ID_OLICOM_OC2326 0x0014
	75	#endif
	76
c659c38b SA	77	struct tlan_adapter_entry {
	78	u16 vendor_id;
	79	u16 device_id;
	80	char *device_label;
1da177e4	81	u32 flags;
c659c38b SA	82	u16 addr_ofs;
c659c38b SA	83	};
1da177e4 LT	84
	85	#define TLAN_ADAPTER_NONE 0x00000000
	86	#define TLAN_ADAPTER_UNMANAGED_PHY 0x00000001
	87	#define TLAN_ADAPTER_BIT_RATE_PHY 0x00000002
	88	#define TLAN_ADAPTER_USE_INTERN_10 0x00000004
	89	#define TLAN_ADAPTER_ACTIVITY_LED 0x00000008
	90
	91	#define TLAN_SPEED_DEFAULT 0
	92	#define TLAN_SPEED_10 10
	93	#define TLAN_SPEED_100 100
	94
	95	#define TLAN_DUPLEX_DEFAULT 0
	96	#define TLAN_DUPLEX_HALF 1
	97	#define TLAN_DUPLEX_FULL 2
	98
	99
	100
	101	/*****************************************************************
	102	* EISA Definitions
	103	*
	104	****************************************************************/
	105
6aa20a22 JG	106	#define EISA_ID 0xc80 /* EISA ID Registers */
	107	#define EISA_ID0 0xc80 /* EISA ID Register 0 */
	108	#define EISA_ID1 0xc81 /* EISA ID Register 1 */
	109	#define EISA_ID2 0xc82 /* EISA ID Register 2 */
	110	#define EISA_ID3 0xc83 /* EISA ID Register 3 */
1da177e4 LT	111	#define EISA_CR 0xc84 /* EISA Control Register */
	112	#define EISA_REG0 0xc88 /* EISA Configuration Register 0 */
	113	#define EISA_REG1 0xc89 /* EISA Configuration Register 1 */
	114	#define EISA_REG2 0xc8a /* EISA Configuration Register 2 */
	115	#define EISA_REG3 0xc8f /* EISA Configuration Register 3 */
	116	#define EISA_APROM 0xc90 /* Ethernet Address PROM */
	117
	118
	119
	120	/*****************************************************************
	121	* Rx/Tx List Definitions
	122	*
	123	****************************************************************/
	124
	125	#define TLAN_BUFFERS_PER_LIST 10
	126	#define TLAN_LAST_BUFFER 0x80000000
	127	#define TLAN_CSTAT_UNUSED 0x8000
	128	#define TLAN_CSTAT_FRM_CMP 0x4000
	129	#define TLAN_CSTAT_READY 0x3000
	130	#define TLAN_CSTAT_EOC 0x0800
	131	#define TLAN_CSTAT_RX_ERROR 0x0400
	132	#define TLAN_CSTAT_PASS_CRC 0x0200
	133	#define TLAN_CSTAT_DP_PR 0x0100
	134
	135
c659c38b	136	struct tlan_buffer {
1da177e4 LT	137	u32 count;
1da177e4 LT	138	u32 address;
c659c38b	139	};
1da177e4 LT	140
1da177e4 LT	141
c659c38b	142	struct tlan_list {
1da177e4	143	u32 forward;
c659c38b SA	144	u16 c_stat;
	145	u16 frame_size;
	146	struct tlan_buffer buffer[TLAN_BUFFERS_PER_LIST];
	147	};
1da177e4 LT	148
	149
	150	typedef u8 TLanBuffer[TLAN_MAX_FRAME_SIZE];
	151
	152
	153
	154
	155	/*****************************************************************
	156	* PHY definitions
	157	*
	158	****************************************************************/
	159
	160	#define TLAN_PHY_MAX_ADDR 0x1F
	161	#define TLAN_PHY_NONE 0x20
	162
	163
	164
	165
	166	/*****************************************************************
	167	* TLAN Private Information Structure
	168	*
	169	****************************************************************/
	170
c659c38b SA	171	struct tlan_priv {
	172	struct net_device *next_device;
	173	struct pci_dev *pci_dev;
c4028958	174	struct net_device *dev;
c659c38b SA	175	void *dma_storage;
	176	dma_addr_t dma_storage_dma;
	177	unsigned int dma_size;
	178	u8 *pad_buffer;
	179	struct tlan_list *rx_list;
	180	dma_addr_t rx_list_dma;
	181	u8 *rx_buffer;
	182	dma_addr_t rx_buffer_dma;
	183	u32 rx_head;
	184	u32 rx_tail;
	185	u32 rx_eoc_count;
	186	struct tlan_list *tx_list;
	187	dma_addr_t tx_list_dma;
	188	u8 *tx_buffer;
	189	dma_addr_t tx_buffer_dma;
	190	u32 tx_head;
	191	u32 tx_in_progress;
	192	u32 tx_tail;
	193	u32 tx_busy_count;
	194	u32 phy_online;
	195	u32 timer_set_at;
	196	u32 timer_type;
1da177e4	197	struct timer_list timer;
1da177e4	198	struct board *adapter;
c659c38b	199	u32 adapter_rev;
1da177e4 LT	200	u32 aui;
	201	u32 debug;
	202	u32 duplex;
	203	u32 phy[2];
c659c38b	204	u32 phy_num;
1da177e4	205	u32 speed;
c659c38b SA	206	u8 tlan_rev;
c659c38b SA	207	u8 tlan_full_duplex;
1da177e4 LT	208	spinlock_t lock;
	209	u8 link;
	210	u8 is_eisa;
	211	struct work_struct tlan_tqueue;
	212	u8 neg_be_verbose;
c659c38b	213	};
1da177e4 LT	214
	215
	216
	217
	218	/*****************************************************************
	219	* TLan Driver Timer Definitions
	220	*
	221	****************************************************************/
	222
	223	#define TLAN_TIMER_LINK_BEAT 1
	224	#define TLAN_TIMER_ACTIVITY 2
	225	#define TLAN_TIMER_PHY_PDOWN 3
	226	#define TLAN_TIMER_PHY_PUP 4
	227	#define TLAN_TIMER_PHY_RESET 5
	228	#define TLAN_TIMER_PHY_START_LINK 6
	229	#define TLAN_TIMER_PHY_FINISH_AN 7
	230	#define TLAN_TIMER_FINISH_RESET 8
	231
	232	#define TLAN_TIMER_ACT_DELAY (HZ/10)
	233
	234
	235
	236
	237	/*****************************************************************
	238	* TLan Driver Eeprom Definitions
	239	*
	240	****************************************************************/
	241
	242	#define TLAN_EEPROM_ACK 0
	243	#define TLAN_EEPROM_STOP 1
	244
	245
	246
	247
	248	/*****************************************************************
	249	* Host Register Offsets and Contents
	250	*
	251	****************************************************************/
	252
	253	#define TLAN_HOST_CMD 0x00
c659c38b	254	#define TLAN_HC_GO 0x80000000
1da177e4 LT	255	#define TLAN_HC_STOP 0x40000000
	256	#define TLAN_HC_ACK 0x20000000
	257	#define TLAN_HC_CS_MASK 0x1FE00000
	258	#define TLAN_HC_EOC 0x00100000
	259	#define TLAN_HC_RT 0x00080000
	260	#define TLAN_HC_NES 0x00040000
	261	#define TLAN_HC_AD_RST 0x00008000
	262	#define TLAN_HC_LD_TMR 0x00004000
	263	#define TLAN_HC_LD_THR 0x00002000
	264	#define TLAN_HC_REQ_INT 0x00001000
	265	#define TLAN_HC_INT_OFF 0x00000800
	266	#define TLAN_HC_INT_ON 0x00000400
	267	#define TLAN_HC_AC_MASK 0x000000FF
	268	#define TLAN_CH_PARM 0x04
	269	#define TLAN_DIO_ADR 0x08
	270	#define TLAN_DA_ADR_INC 0x8000
	271	#define TLAN_DA_RAM_ADR 0x4000
	272	#define TLAN_HOST_INT 0x0A
	273	#define TLAN_HI_IV_MASK 0x1FE0
	274	#define TLAN_HI_IT_MASK 0x001C
	275	#define TLAN_DIO_DATA 0x0C
	276
	277
	278	/* ThunderLAN Internal Register DIO Offsets */
	279
	280	#define TLAN_NET_CMD 0x00
	281	#define TLAN_NET_CMD_NRESET 0x80
	282	#define TLAN_NET_CMD_NWRAP 0x40
	283	#define TLAN_NET_CMD_CSF 0x20
	284	#define TLAN_NET_CMD_CAF 0x10
	285	#define TLAN_NET_CMD_NOBRX 0x08
	286	#define TLAN_NET_CMD_DUPLEX 0x04
	287	#define TLAN_NET_CMD_TRFRAM 0x02
	288	#define TLAN_NET_CMD_TXPACE 0x01
	289	#define TLAN_NET_SIO 0x01
c659c38b	290	#define TLAN_NET_SIO_MINTEN 0x80
1da177e4 LT	291	#define TLAN_NET_SIO_ECLOK 0x40
	292	#define TLAN_NET_SIO_ETXEN 0x20
	293	#define TLAN_NET_SIO_EDATA 0x10
	294	#define TLAN_NET_SIO_NMRST 0x08
	295	#define TLAN_NET_SIO_MCLK 0x04
	296	#define TLAN_NET_SIO_MTXEN 0x02
	297	#define TLAN_NET_SIO_MDATA 0x01
	298	#define TLAN_NET_STS 0x02
	299	#define TLAN_NET_STS_MIRQ 0x80
	300	#define TLAN_NET_STS_HBEAT 0x40
	301	#define TLAN_NET_STS_TXSTOP 0x20
	302	#define TLAN_NET_STS_RXSTOP 0x10
	303	#define TLAN_NET_STS_RSRVD 0x0F
	304	#define TLAN_NET_MASK 0x03
	305	#define TLAN_NET_MASK_MASK7 0x80
	306	#define TLAN_NET_MASK_MASK6 0x40
	307	#define TLAN_NET_MASK_MASK5 0x20
	308	#define TLAN_NET_MASK_MASK4 0x10
	309	#define TLAN_NET_MASK_RSRVD 0x0F
	310	#define TLAN_NET_CONFIG 0x04
c659c38b	311	#define TLAN_NET_CFG_RCLK 0x8000
1da177e4 LT	312	#define TLAN_NET_CFG_TCLK 0x4000
	313	#define TLAN_NET_CFG_BIT 0x2000
	314	#define TLAN_NET_CFG_RXCRC 0x1000
	315	#define TLAN_NET_CFG_PEF 0x0800
	316	#define TLAN_NET_CFG_1FRAG 0x0400
	317	#define TLAN_NET_CFG_1CHAN 0x0200
	318	#define TLAN_NET_CFG_MTEST 0x0100
	319	#define TLAN_NET_CFG_PHY_EN 0x0080
	320	#define TLAN_NET_CFG_MSMASK 0x007F
	321	#define TLAN_MAN_TEST 0x06
	322	#define TLAN_DEF_VENDOR_ID 0x08
	323	#define TLAN_DEF_DEVICE_ID 0x0A
	324	#define TLAN_DEF_REVISION 0x0C
	325	#define TLAN_DEF_SUBCLASS 0x0D
	326	#define TLAN_DEF_MIN_LAT 0x0E
	327	#define TLAN_DEF_MAX_LAT 0x0F
	328	#define TLAN_AREG_0 0x10
	329	#define TLAN_AREG_1 0x16
	330	#define TLAN_AREG_2 0x1C
	331	#define TLAN_AREG_3 0x22
	332	#define TLAN_HASH_1 0x28
	333	#define TLAN_HASH_2 0x2C
	334	#define TLAN_GOOD_TX_FRMS 0x30
	335	#define TLAN_TX_UNDERUNS 0x33
	336	#define TLAN_GOOD_RX_FRMS 0x34
	337	#define TLAN_RX_OVERRUNS 0x37
	338	#define TLAN_DEFERRED_TX 0x38
	339	#define TLAN_CRC_ERRORS 0x3A
	340	#define TLAN_CODE_ERRORS 0x3B
	341	#define TLAN_MULTICOL_FRMS 0x3C
	342	#define TLAN_SINGLECOL_FRMS 0x3E
	343	#define TLAN_EXCESSCOL_FRMS 0x40
	344	#define TLAN_LATE_COLS 0x41
	345	#define TLAN_CARRIER_LOSS 0x42
	346	#define TLAN_ACOMMIT 0x43
	347	#define TLAN_LED_REG 0x44
	348	#define TLAN_LED_ACT 0x10
	349	#define TLAN_LED_LINK 0x01
	350	#define TLAN_BSIZE_REG 0x45
	351	#define TLAN_MAX_RX 0x46
	352	#define TLAN_INT_DIS 0x48
	353	#define TLAN_ID_TX_EOC 0x04
	354	#define TLAN_ID_RX_EOF 0x02
	355	#define TLAN_ID_RX_EOC 0x01
	356
	357
	358
	359	/* ThunderLAN Interrupt Codes */
	360
	361	#define TLAN_INT_NUMBER_OF_INTS 8
	362
	363	#define TLAN_INT_NONE 0x0000
	364	#define TLAN_INT_TX_EOF 0x0001
	365	#define TLAN_INT_STAT_OVERFLOW 0x0002
	366	#define TLAN_INT_RX_EOF 0x0003
	367	#define TLAN_INT_DUMMY 0x0004
	368	#define TLAN_INT_TX_EOC 0x0005
	369	#define TLAN_INT_STATUS_CHECK 0x0006
	370	#define TLAN_INT_RX_EOC 0x0007
	371
	372
	373
	374	/* ThunderLAN MII Registers */
	375
376	/* Generic MII/PHY Registers */
377
378	#define MII_GEN_CTL 0x00
c659c38b	379	#define MII_GC_RESET 0x8000
1da177e4 LT	380	#define MII_GC_LOOPBK 0x4000
	381	#define MII_GC_SPEEDSEL 0x2000
	382	#define MII_GC_AUTOENB 0x1000
	383	#define MII_GC_PDOWN 0x0800
	384	#define MII_GC_ISOLATE 0x0400
	385	#define MII_GC_AUTORSRT 0x0200
	386	#define MII_GC_DUPLEX 0x0100
	387	#define MII_GC_COLTEST 0x0080
	388	#define MII_GC_RESERVED 0x007F
	389	#define MII_GEN_STS 0x01
	390	#define MII_GS_100BT4 0x8000
	391	#define MII_GS_100BTXFD 0x4000
	392	#define MII_GS_100BTXHD 0x2000
	393	#define MII_GS_10BTFD 0x1000
	394	#define MII_GS_10BTHD 0x0800
	395	#define MII_GS_RESERVED 0x07C0
	396	#define MII_GS_AUTOCMPLT 0x0020
	397	#define MII_GS_RFLT 0x0010
	398	#define MII_GS_AUTONEG 0x0008
	399	#define MII_GS_LINK 0x0004
	400	#define MII_GS_JABBER 0x0002
	401	#define MII_GS_EXTCAP 0x0001
	402	#define MII_GEN_ID_HI 0x02
	403	#define MII_GEN_ID_LO 0x03
c659c38b SA	404	#define MII_GIL_OUI 0xFC00
	405	#define MII_GIL_MODEL 0x03F0
	406	#define MII_GIL_REVISION 0x000F
1da177e4 LT	407	#define MII_AN_ADV 0x04
	408	#define MII_AN_LPA 0x05
	409	#define MII_AN_EXP 0x06
	410
	411	/* ThunderLAN Specific MII/PHY Registers */
	412
	413	#define TLAN_TLPHY_ID 0x10
	414	#define TLAN_TLPHY_CTL 0x11
c659c38b	415	#define TLAN_TC_IGLINK 0x8000
1da177e4 LT	416	#define TLAN_TC_SWAPOL 0x4000
	417	#define TLAN_TC_AUISEL 0x2000
	418	#define TLAN_TC_SQEEN 0x1000
	419	#define TLAN_TC_MTEST 0x0800
	420	#define TLAN_TC_RESERVED 0x07F8
	421	#define TLAN_TC_NFEW 0x0004
	422	#define TLAN_TC_INTEN 0x0002
	423	#define TLAN_TC_TINT 0x0001
	424	#define TLAN_TLPHY_STS 0x12
	425	#define TLAN_TS_MINT 0x8000
	426	#define TLAN_TS_PHOK 0x4000
	427	#define TLAN_TS_POLOK 0x2000
	428	#define TLAN_TS_TPENERGY 0x1000
	429	#define TLAN_TS_RESERVED 0x0FFF
	430	#define TLAN_TLPHY_PAR 0x19
	431	#define TLAN_PHY_CIM_STAT 0x0020
	432	#define TLAN_PHY_SPEED_100 0x0040
	433	#define TLAN_PHY_DUPLEX_FULL 0x0080
	434	#define TLAN_PHY_AN_EN_STAT 0x0400
	435
	436	/* National Sem. & Level1 PHY id's */
	437	#define NAT_SEM_ID1 0x2000
	438	#define NAT_SEM_ID2 0x5C01
	439	#define LEVEL1_ID1 0x7810
	440	#define LEVEL1_ID2 0x0000
	441
c659c38b	442	#define CIRC_INC(a, b) if (++a >= b) a = 0
1da177e4 LT	443
	444	/* Routines to access internal registers. */
	445
c659c38b	446	static inline u8 tlan_dio_read8(u16 base_addr, u16 internal_addr)
1da177e4 LT	447	{
1da177e4 LT	448	outw(internal_addr, base_addr + TLAN_DIO_ADR);
807540ba	449	return inb((base_addr + TLAN_DIO_DATA) + (internal_addr & 0x3));
6aa20a22	450
c659c38b	451	}
1da177e4 LT	452
	453
	454
	455
c659c38b	456	static inline u16 tlan_dio_read16(u16 base_addr, u16 internal_addr)
1da177e4 LT	457	{
1da177e4 LT	458	outw(internal_addr, base_addr + TLAN_DIO_ADR);
807540ba	459	return inw((base_addr + TLAN_DIO_DATA) + (internal_addr & 0x2));
1da177e4	460
c659c38b	461	}
1da177e4 LT	462
	463
	464
	465
c659c38b	466	static inline u32 tlan_dio_read32(u16 base_addr, u16 internal_addr)
1da177e4 LT	467	{
1da177e4 LT	468	outw(internal_addr, base_addr + TLAN_DIO_ADR);
807540ba	469	return inl(base_addr + TLAN_DIO_DATA);
1da177e4	470
c659c38b	471	}
1da177e4 LT	472
	473
	474
	475
c659c38b	476	static inline void tlan_dio_write8(u16 base_addr, u16 internal_addr, u8 data)
1da177e4 LT	477	{
	478	outw(internal_addr, base_addr + TLAN_DIO_ADR);
	479	outb(data, base_addr + TLAN_DIO_DATA + (internal_addr & 0x3));
	480
	481	}
	482
	483
	484
	485
c659c38b	486	static inline void tlan_dio_write16(u16 base_addr, u16 internal_addr, u16 data)
1da177e4 LT	487	{
	488	outw(internal_addr, base_addr + TLAN_DIO_ADR);
	489	outw(data, base_addr + TLAN_DIO_DATA + (internal_addr & 0x2));
	490
	491	}
	492
	493
	494
	495
c659c38b	496	static inline void tlan_dio_write32(u16 base_addr, u16 internal_addr, u32 data)
1da177e4 LT	497	{
	498	outw(internal_addr, base_addr + TLAN_DIO_ADR);
	499	outl(data, base_addr + TLAN_DIO_DATA + (internal_addr & 0x2));
	500
	501	}
	502
c659c38b SA	503	#define tlan_clear_bit(bit, port) outb_p(inb_p(port) & ~bit, port)
	504	#define tlan_get_bit(bit, port) ((int) (inb_p(port) & bit))
	505	#define tlan_set_bit(bit, port) outb_p(inb_p(port) \| bit, port)
1da177e4 LT	506
1da177e4 LT	507	/*
6aa20a22 JG	508	* given 6 bytes, view them as 8 6-bit numbers and return the XOR of those
6aa20a22 JG	509	* the code below is about seven times as fast as the original code
1da177e4 LT	510	*
	511	* The original code was:
	512	*
c659c38b	513	* u32 xor(u32 a, u32 b) { return ((a && !b ) \|\| (! a && b )); }
1da177e4	514	*
c659c38b SA	515	* #define XOR8(a, b, c, d, e, f, g, h) \
	516	* xor(a, xor(b, xor(c, xor(d, xor(e, xor(f, xor(g, h)) ) ) ) ) )
	517	* #define DA(a, bit) (( (u8) a[bit/8] ) & ( (u8) (1 << bit%8)) )
1da177e4	518	*
c659c38b SA	519	* hash = XOR8(DA(a,0), DA(a, 6), DA(a,12), DA(a,18), DA(a,24),
	520	* DA(a,30), DA(a,36), DA(a,42));
	521	* hash \|= XOR8(DA(a,1), DA(a, 7), DA(a,13), DA(a,19), DA(a,25),
	522	* DA(a,31), DA(a,37), DA(a,43)) << 1;
	523	* hash \|= XOR8(DA(a,2), DA(a, 8), DA(a,14), DA(a,20), DA(a,26),
	524	* DA(a,32), DA(a,38), DA(a,44)) << 2;
	525	* hash \|= XOR8(DA(a,3), DA(a, 9), DA(a,15), DA(a,21), DA(a,27),
	526	* DA(a,33), DA(a,39), DA(a,45)) << 3;
	527	* hash \|= XOR8(DA(a,4), DA(a,10), DA(a,16), DA(a,22), DA(a,28),
	528	* DA(a,34), DA(a,40), DA(a,46)) << 4;
	529	* hash \|= XOR8(DA(a,5), DA(a,11), DA(a,17), DA(a,23), DA(a,29),
	530	* DA(a,35), DA(a,41), DA(a,47)) << 5;
1da177e4 LT	531	*
1da177e4 LT	532	*/
c659c38b	533	static inline u32 tlan_hash_func(const u8 *a)
1da177e4	534	{
c659c38b	535	u8 hash;
1da177e4	536
c659c38b SA	537	hash = (a[0]^a[3]); /* & 077 */
	538	hash ^= ((a[0]^a[3])>>6); /* & 003 */
	539	hash ^= ((a[1]^a[4])<<2); /* & 074 */
	540	hash ^= ((a[1]^a[4])>>4); /* & 017 */
	541	hash ^= ((a[2]^a[5])<<4); /* & 060 */
	542	hash ^= ((a[2]^a[5])>>2); /* & 077 */
1da177e4	543
c659c38b	544	return hash & 077;
1da177e4 LT	545	}
1da177e4 LT	546	#endif