82557.inc

dos下的网卡驱动程序。支持一般通用网卡

SCB_STATUS	EQU 00h
	RU_STATUS_BITS	EQU	03Ch
	RU_IDLE			EQU 000h
	RU_SUSPENDED	EQU 004h
	RU_NO_RESOURCES	EQU 008h
	RU_READY		EQU 010h
	RU_SPND_NO_RBD	EQU 024h
	RU_NO_RS_NO_RBD	EQU 028h
	RU_READY_NO_RBD	EQU 030h
	CU_STATUS_BITS	EQU	0C0h
	CU_IDLE			EQU 000h
	CU_SUSPENDED	EQU 040h
	CU_ACTIVE		EQU 080h
	SW_INT			EQU 0400h
	MD_INT			EQU 0800h
	RNR_ST_BIT		EQU 1000h
	CNA_INT			EQU	2000h
	FR_ST_BIT		EQU	4000h
	CMD_INT			EQU	8000h
	SCB_STATUS_MASK	EQU CMD_INT+FR_ST_BIT+CNA_INT+RNR_ST_BIT+MD_INT+SW_INT
SCB_CMD	EQU 02h
	RU_NOP			EQU 00h
	RU_START		EQU 01h
	RU_RESUME		EQU 02h
	RU_ABORT		EQU 04h
	RU_LD_HDS		EQU 05h
	RU_LD_BASE		EQU 06h
	RU_RBD_RESUME	EQU 07h
	CU_NOP			EQU 00h
	CU_START		EQU 10h
	CU_RESUME		EQU 20h
	CU_LD_DCA		EQU 40h
	CU_DUMP_CNTRS	EQU 50h
	CU_LD_BASE		EQU 60h
	CU_DUMP_RESET	EQU 70h
SCB_CMD_INT	EQU 03h
	MASK_INT_BIT	EQU	01h
	SOFT_INT_BIT	EQU 02h
SCB_GEN_PTR	EQU	04h
PORT	EQU	08h
	SOFTWARE_RESET	EQU	00h
	SELF_TEST_CMD	EQU	01h
	SELECTIVE_RESET	EQU	02h
	DUMP_CMD		EQU	03h
EEPROM_REG	EQU 0EH
; Bit positions in the EEPROM_REG
	EEDO	EQU	08h
	EEDI	EQU	04h
	EECS	EQU	02h
	EESK	EQU	01h
MDI_CTRL_REG	EQU 10H
	PHY_READ_OPCODE		EQU 0800h
	PHY_WRITE_OPCODE	EQU 0400h
	PHY_READY_BIT		EQU 10000000h



; EEPROM equates
IA_BYTE_1		EQU	00h
IA_BYTE_2		EQU	01h
IA_BYTE_3		EQU	02h
IA_BYTE_4		EQU	03h
IA_BYTE_5		EQU	04h
IA_BYTE_6		EQU	05h
COMPATIBILITY	EQU	06h
	MC_10_OK		EQU	01h
	MC_100_OK		EQU	02h
CONNECTORS		EQU	0Ah
	RJ_45_BIT		EQU	01h
	BNC_BIT			EQU 02h
	AUI_BIT			EQU	04h
	MII_BIT			EQU	08h
CONTRL_TYPE		EQU 0Bh
	D100			EQU	01h
	D101			EQU	02h
PHY_DEV_REC_1	EQU	0Ch
	PHY_DEV_BITS	EQU	03F00h
	VSCR_BIT		EQU 04000h
	TEN_MB_ONLY		EQU	08000h
	PHY_CONTROL_REG	EQU	00h
		PHY_CTRL_REG_FAST	EQU	2000h
		PHY_CTRL_REG_AUTO_ENBL	EQU	1000h
		PHY_CTRL_REG_RESTART_AUTO	EQU	0200h
		PHY_CTRL_REG_FULL	EQU	0100h
	PHY_STATUS_REG	EQU	01h
		PHY_STA_NWAY_COMPLETE	EQU	0020h
		PHY_STA_LINK_STATUS		EQU	0004h
	PHY_ADVERT_REG	EQU	04h
	T4_HALF_BIT		EQU	0200h
	TX_FULL_BIT		EQU	0100h
	TX_HALF_BIT		EQU	0080h
	T_FULL_BIT		EQU	0040h
	T_HALF_BIT		EQU	0020h
		LINK_ABILITY_BITS	EQU	 T4_HALF_BIT+TX_FULL_BIT+TX_HALF_BIT+T_FULL_BIT+T_HALF_BIT
	PHY_LINK_PART_REG	EQU	05h
	PHY_EXP_REG		EQU	06h
		PHY_ANE_LP_AUTONEG	EQU	0001h
		AUTONEG_FAULT		EQU	0010h
	NSC_CONG_CTRL_REG	EQU	17h
		NSC_TX_CONG_TXREADY		EQU	0400h
		NSC_TX_CONG_F_CONNECT	EQU	0020h
	NSC_SPEED_INDC_REG	EQU	19h
		NSC_10MBS_BIT		EQU	0040h
		NSC_CON_STATUS_BIT	EQU	0020h
PHY_DEV_REC_2	EQU	0Eh
CHKSUM_VAL		EQU 0BABAh

MII_PHY			EQU	1

NOT_SUPPORTED	EQU 0FFFFh
SUPPORTED		EQU 00000h

;- CB Status Word
;-
; debug - need just tx status
CB_STATUS_MASK           equ     BIT_12_15    ;- CB Status Mask (4-bits)
CB_STATUS_COMPLETE       equ     BIT_15       ;- CB Complete Bit
CB_STATUS_OK             equ     BIT_13       ;- CB OK Bit
CB_STATUS_FAIL           equ     BIT_12       ;- CB Fail (F) Bit

; configuration data
; Byte 0
BYTE_COUNT	EQU	16h
; Byte 1
RX_FIFO_LMT	EQU	8h
TX_FIFO_LMT	EQU	0h
; Byte 2
ADPATIVE_IFS	EQU	0h
; Byte 3
; Byte 4
RX_DMA_MAX		EQU	0h
; Byte 5
TX_DMA_MAX		EQU	0h
DMBC_EN			EQU	80h
; Byte 6
LATE_SCB		EQU	01h
TNO_INT			EQU 04h
CI_INT			EQU	08h
DISC_OVRRUN		EQU	40h
SAVE_BF			EQU	80h
; Byte 7
DISC_SHORT		EQU	01h
UNDR_RTRY_0		EQU 00h
UNDR_RTRY_1		EQU 02h
UNDR_RTRY_2		EQU 04h
UNDR_RTRY_3		EQU 06h
; Byte 8
MII_MODE		EQU	01h
; Byte 9
; Byte 10
NSAI			EQU	08h
PREAMBLE_LEN_1	EQU	00h
PREAMBLE_LEN_3	EQU	10h
PREAMBLE_LEN_7	EQU	20h
PREAMBLE_LEN_15	EQU	30h
NORMAL_OP		EQU	00h
INT_LOOPBACK	EQU 40h
EXT_LOOPBACK	EQU 0C0h
; Byte 11
NRML_LINR_PRTY	EQU	00h
; Byte 12
L_PRI_MODE		EQU	01h
DEF_IFS_SPACING	EQU	60h
; Byte 13
; Byte 14
; Byte 15
PROMISC_MODE	EQU	01h
BROADCAST_DIS	EQU	02h
CRS_CDT			EQU	80h
; Byte 16
; Byte 17
; Byte 18
STRIPPING_ENBL	EQU	01h
PADDING_ENBL	EQU	02h
RCV_CRC_TRANSF	EQU	04h
; Byte 19
FORCE_FDX		EQU	040h
FDX_PIN_ENBL	EQU 080h
; Byte 20
MULTI_IA_ENBL	EQU	040h
; Byte 21
MULTICAST_ALL	EQU	08h

; Transmit Command Block (TxCB)
TXCB_STRUC			struc
    tx_status			dw	?		; Command Block Status
    tx_command			dw	?		; Command Block Command
    tx_link_ptr			dd	?		; Offset To Next CB
	tx_tbd_ptr			dd	?		; TBD Offset
	tx_count			dw	?		; Data Bytes In TCB past header
	tx_thresh			db	0		; TX Threshold for FIFO Extender
	tbd_number			db	0
TXCB_STRUC			ends


; Received Frame Descriptor
RFD_STRUCT	struc
rfd_status	dw	?				; Status word for frame
rfd_eol		dw	?				; End of FD list flag
rfd_link	dd	?				; 32 bit pointer to next RFD
rfd_ptr		dd	?				; 32 bit pointer to list of RBD's
rfd_cnt		dw	?				; Length field of frame.
rfd_size	dw	?				; Size of data (header RFD only)
RFD_STRUCT	ends

; Receive Buffer Descriptor
RBD_STRUCT	struc
rbd_status	dw	?				; Status word in RBD
rbd_filler2	dw	?				; Not used
rbd_link	dd	?				; 32 bit pointer to next RBD
rbd_ptr		dd	?				; 32 bit pointer to actual buffer
rbd_size	dw	?				; Size of the buffer
rbd_filler1	dw	?				; Not used
rbd_voffset	dw	?				; Virtual offset to data buffer
RBD_STRUCT	ends


WAIT_CMD_ACCEPTED macro
	local	lab1
	LOAD_PORT	SCB_CMD
lab1:
	in		al, dx
	cmp		al, 0
	jne		lab1
	endm