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path: root/drivers/net/usb/sr9700.h
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/*
 * CoreChip-sz SR9700 one chip USB 1.1 Ethernet Devices
 *
 * Author : Liu Junliang <liujunliang_ljl@163.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 as published by the Free Software Foundation.
 */

#ifndef _SR9700_H
#define	_SR9700_H

/* sr9700 spec. register table on Linux platform */

/* Network Control Reg */
#define	NCR			0x00
#define		NCR_RST			(1 << 0)
#define		NCR_LBK			(3 << 1)
#define		NCR_FDX			(1 << 3)
#define		NCR_WAKEEN		(1 << 6)
/* Network Status Reg */
#define	NSR			0x01
#define		NSR_RXRDY		(1 << 0)
#define		NSR_RXOV		(1 << 1)
#define		NSR_TX1END		(1 << 2)
#define		NSR_TX2END		(1 << 3)
#define		NSR_TXFULL		(1 << 4)
#define		NSR_WAKEST		(1 << 5)
#define		NSR_LINKST		(1 << 6)
#define		NSR_SPEED		(1 << 7)
/* Tx Control Reg */
#define	TCR			0x02
#define		TCR_CRC_DIS		(1 << 1)
#define		TCR_PAD_DIS		(1 << 2)
#define		TCR_LC_CARE		(1 << 3)
#define		TCR_CRS_CARE	(1 << 4)
#define		TCR_EXCECM		(1 << 5)
#define		TCR_LF_EN		(1 << 6)
/* Tx Status Reg for Packet Index 1 */
#define	TSR1		0x03
#define		TSR1_EC			(1 << 2)
#define		TSR1_COL		(1 << 3)
#define		TSR1_LC			(1 << 4)
#define		TSR1_NC			(1 << 5)
#define		TSR1_LOC		(1 << 6)
#define		TSR1_TLF		(1 << 7)
/* Tx Status Reg for Packet Index 2 */
#define	TSR2		0x04
#define		TSR2_EC			(1 << 2)
#define		TSR2_COL		(1 << 3)
#define		TSR2_LC			(1 << 4)
#define		TSR2_NC			(1 << 5)
#define		TSR2_LOC		(1 << 6)
#define		TSR2_TLF		(1 << 7)
/* Rx Control Reg*/
#define	RCR			0x05
#define		RCR_RXEN		(1 << 0)
#define		RCR_PRMSC		(1 << 1)
#define		RCR_RUNT		(1 << 2)
#define		RCR_ALL			(1 << 3)
#define		RCR_DIS_CRC		(1 << 4)
#define		RCR_DIS_LONG	(1 << 5)
/* Rx Status Reg */
#define	RSR			0x06
#define		RSR_AE			(1 << 2)
#define		RSR_MF			(1 << 6)
#define		RSR_RF			(1 << 7)
/* Rx Overflow Counter Reg */
#define	ROCR		0x07
#define		ROCR_ROC		(0x7F << 0)
#define		ROCR_RXFU		(1 << 7)
/* Back Pressure Threshold Reg */
#define	BPTR		0x08
#define		BPTR_JPT		(0x0F << 0)
#define		BPTR_BPHW		(0x0F << 4)
/* Flow Control Threshold Reg */
#define	FCTR		0x09
#define		FCTR_LWOT		(0x0F << 0)
#define		FCTR_HWOT		(0x0F << 4)
/* rx/tx Flow Control Reg */
#define	FCR			0x0A
#define		FCR_FLCE		(1 << 0)
#define		FCR_BKPA		(1 << 4)
#define		FCR_TXPEN		(1 << 5)
#define		FCR_TXPF		(1 << 6)
#define		FCR_TXP0		(1 << 7)
/* Eeprom & Phy Control Reg */
#define	EPCR		0x0B
#define		EPCR_ERRE		(1 << 0)
#define		EPCR_ERPRW		(1 << 1)
#define		EPCR_ERPRR		(1 << 2)
#define		EPCR_EPOS		(1 << 3)
#define		EPCR_WEP		(1 << 4)
/* Eeprom & Phy Address Reg */
#define	EPAR		0x0C
#define		EPAR_EROA		(0x3F << 0)
#define		EPAR_PHY_ADR_MASK	(0x03 << 6)
#define		EPAR_PHY_ADR		(0x01 << 6)
/* Eeprom &	Phy Data Reg */
#define	EPDR		0x0D	/* 0x0D ~ 0x0E for Data Reg Low & High */
/* Wakeup Control Reg */
#define	WCR			0x0F
#define		WCR_MAGICST		(1 << 0)
#define		WCR_LINKST		(1 << 2)
#define		WCR_MAGICEN		(1 << 3)
#define		WCR_LINKEN		(1 << 5)
/* Physical Address Reg */
#define	PAR			0x10	/* 0x10 ~ 0x15 6 bytes for PAR */
/* Multicast Address Reg */
#define	MAR			0x16	/* 0x16 ~ 0x1D 8 bytes for MAR */
/* 0x1e unused */
/* Phy Reset Reg */
#define	PRR			0x1F
#define		PRR_PHY_RST		(1 << 0)
/* Tx sdram Write Pointer Address Low */
#define	TWPAL		0x20
/* Tx sdram Write Pointer Address High */
#define	TWPAH		0x21
/* Tx sdram Read Pointer Address Low */
#define	TRPAL		0x22
/* Tx sdram Read Pointer Address High */
#define	TRPAH		0x23
/* Rx sdram Write Pointer Address Low */
#define	RWPAL		0x24
/* Rx sdram Write Pointer Address High */
#define	RWPAH		0x25
/* Rx sdram Read Pointer Address Low */
#define	RRPAL		0x26
/* Rx sdram Read Pointer Address High */
#define	RRPAH		0x27
/* Vendor ID register */
#define	VID			0x28	/* 0x28 ~ 0x29 2 bytes for VID */
/* Product ID register */
#define	PID			0x2A	/* 0x2A ~ 0x2B 2 bytes for PID */
/* CHIP Revision register */
#define	CHIPR		0x2C
/* 0x2D --> 0xEF unused */
/* USB Device Address */
#define	USBDA		0xF0
#define		USBDA_USBFA		(0x7F << 0)
/* RX packet Counter Reg */
#define	RXC			0xF1
/* Tx packet Counter & USB Status Reg */
#define	TXC_USBS	0xF2
#define		TXC_USBS_TXC0		(1 << 0)
#define		TXC_USBS_TXC1		(1 << 1)
#define		TXC_USBS_TXC2		(1 << 2)
#define		TXC_USBS_EP1RDY		(1 << 5)
#define		TXC_USBS_SUSFLAG	(1 << 6)
#define		TXC_USBS_RXFAULT	(1 << 7)
/* USB Control register */
#define	USBC		0xF4
#define		USBC_EP3NAK		(1 << 4)
#define		USBC_EP3ACK		(1 << 5)

/* Register access commands and flags */
#define	SR_RD_REGS		0x00
#define	SR_WR_REGS		0x01
#define	SR_WR_REG		0x03
#define	SR_REQ_RD_REG	(USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE)
#define	SR_REQ_WR_REG	(USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE)

/* parameters */
#define	SR_SHARE_TIMEOUT	1000
#define	SR_EEPROM_LEN		256
#define	SR_MCAST_SIZE		8
#define	SR_MCAST_ADDR_FLAG	0x80
#define	SR_MCAST_MAX		64
#define	SR_TX_OVERHEAD		2	/* 2bytes header */
#define	SR_RX_OVERHEAD		7	/* 3bytes header + 4crc tail */

#endif	/* _SR9700_H */
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