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/*
* Definitions for Intel 82593 CSMA/CD Core LAN Controller
* The definitions are taken from the 1992 users manual with Intel
* order number 297125-001.
*
* /usr/src/pc/RCS/i82593.h,v 1.1 1996/07/17 15:23:12 root Exp
*
* Copyright 1994, Anders Klemets <klemets@it.kth.se>
*
* HISTORY
* i82593.h,v
* Revision 1.4 2005/11/4 09:15:00 baroniunas
* Modified copyright with permission of author as follows:
*
* "If I82539.H is the only file with my copyright statement
* that is included in the Source Forge project, then you have
* my approval to change the copyright statement to be a GPL
* license, in the way you proposed on October 10."
*
* Revision 1.1 1996/07/17 15:23:12 root
* Initial revision
*
* Revision 1.3 1995/04/05 15:13:58 adj
* Initial alpha release
*
* Revision 1.2 1994/06/16 23:57:31 klemets
* Mirrored all the fields in the configuration block.
*
* Revision 1.1 1994/06/02 20:25:34 klemets
* Initial revision
*
*
*/
#ifndef _I82593_H
#define _I82593_H
/* Intel 82593 CSMA/CD Core LAN Controller */
/* Port 0 Command Register definitions */
/* Execution operations */
#define OP0_NOP 0 /* CHNL = 0 */
#define OP0_SWIT_TO_PORT_1 0 /* CHNL = 1 */
#define OP0_IA_SETUP 1
#define OP0_CONFIGURE 2
#define OP0_MC_SETUP 3
#define OP0_TRANSMIT 4
#define OP0_TDR 5
#define OP0_DUMP 6
#define OP0_DIAGNOSE 7
#define OP0_TRANSMIT_NO_CRC 9
#define OP0_RETRANSMIT 12
#define OP0_ABORT 13
/* Reception operations */
#define OP0_RCV_ENABLE 8
#define OP0_RCV_DISABLE 10
#define OP0_STOP_RCV 11
/* Status pointer control operations */
#define OP0_FIX_PTR 15 /* CHNL = 1 */
#define OP0_RLS_PTR 15 /* CHNL = 0 */
#define OP0_RESET 14
#define CR0_CHNL (1 << 4) /* 0=Channel 0, 1=Channel 1 */
#define CR0_STATUS_0 0x00
#define CR0_STATUS_1 0x20
#define CR0_STATUS_2 0x40
#define CR0_STATUS_3 0x60
#define CR0_INT_ACK (1 << 7) /* 0=No ack, 1=acknowledge */
/* Port 0 Status Register definitions */
#define SR0_NO_RESULT 0 /* dummy */
#define SR0_EVENT_MASK 0x0f
#define SR0_IA_SETUP_DONE 1
#define SR0_CONFIGURE_DONE 2
#define SR0_MC_SETUP_DONE 3
#define SR0_TRANSMIT_DONE 4
#define SR0_TDR_DONE 5
#define SR0_DUMP_DONE 6
#define SR0_DIAGNOSE_PASSED 7
#define SR0_TRANSMIT_NO_CRC_DONE 9
#define SR0_RETRANSMIT_DONE 12
#define SR0_EXECUTION_ABORTED 13
#define SR0_END_OF_FRAME 8
#define SR0_RECEPTION_ABORTED 10
#define SR0_DIAGNOSE_FAILED 15
#define SR0_STOP_REG_HIT 11
#define SR0_CHNL (1 << 4)
#define SR0_EXECUTION (1 << 5)
#define SR0_RECEPTION (1 << 6)
#define SR0_INTERRUPT (1 << 7)
#define SR0_BOTH_RX_TX (SR0_EXECUTION | SR0_RECEPTION)
#define SR3_EXEC_STATE_MASK 0x03
#define SR3_EXEC_IDLE 0
#define SR3_TX_ABORT_IN_PROGRESS 1
#define SR3_EXEC_ACTIVE 2
#define SR3_ABORT_IN_PROGRESS 3
#define SR3_EXEC_CHNL (1 << 2)
#define SR3_STP_ON_NO_RSRC (1 << 3)
#define SR3_RCVING_NO_RSRC (1 << 4)
#define SR3_RCV_STATE_MASK 0x60
#define SR3_RCV_IDLE 0x00
#define SR3_RCV_READY 0x20
#define SR3_RCV_ACTIVE 0x40
#define SR3_RCV_STOP_IN_PROG 0x60
#define SR3_RCV_CHNL (1 << 7)
/* Port 1 Command Register definitions */
#define OP1_NOP 0
#define OP1_SWIT_TO_PORT_0 1
#define OP1_INT_DISABLE 2
#define OP1_INT_ENABLE 3
#define OP1_SET_TS 5
#define OP1_RST_TS 7
#define OP1_POWER_DOWN 8
#define OP1_RESET_RING_MNGMT 11
#define OP1_RESET 14
#define OP1_SEL_RST 15
#define CR1_STATUS_4 0x00
#define CR1_STATUS_5 0x20
#define CR1_STATUS_6 0x40
#define CR1_STOP_REG_UPDATE (1 << 7)
/* Receive frame status bits */
#define RX_RCLD (1 << 0)
#define RX_IA_MATCH (1 << 1)
#define RX_NO_AD_MATCH (1 << 2)
#define RX_NO_SFD (1 << 3)
#define RX_SRT_FRM (1 << 7)
#define RX_OVRRUN (1 << 8)
#define RX_ALG_ERR (1 << 10)
#define RX_CRC_ERR (1 << 11)
#define RX_LEN_ERR (1 << 12)
#define RX_RCV_OK (1 << 13)
#define RX_TYP_LEN (1 << 15)
/* Transmit status bits */
#define TX_NCOL_MASK 0x0f
#define TX_FRTL (1 << 4)
#define TX_MAX_COL (1 << 5)
#define TX_HRT_BEAT (1 << 6)
#define TX_DEFER (1 << 7)
#define TX_UND_RUN (1 << 8)
#define TX_LOST_CTS (1 << 9)
#define TX_LOST_CRS (1 << 10)
#define TX_LTCOL (1 << 11)
#define TX_OK (1 << 13)
#define TX_COLL (1 << 15)
struct i82593_conf_block {
u_char fifo_limit : 4,
forgnesi : 1,
fifo_32 : 1,
d6mod : 1,
throttle_enb : 1;
u_char throttle : 6,
cntrxint : 1,
contin : 1;
u_char addr_len : 3,
acloc : 1,
preamb_len : 2,
loopback : 2;
u_char lin_prio : 3,
tbofstop : 1,
exp_prio : 3,
bof_met : 1;
u_char : 4,
ifrm_spc : 4;
u_char : 5,
slottim_low : 3;
u_char slottim_hi : 3,
: 1,
max_retr : 4;
u_char prmisc : 1,
bc_dis : 1,
: 1,
crs_1 : 1,
nocrc_ins : 1,
crc_1632 : 1,
: 1,
crs_cdt : 1;
u_char cs_filter : 3,
crs_src : 1,
cd_filter : 3,
: 1;
u_char : 2,
min_fr_len : 6;
u_char lng_typ : 1,
lng_fld : 1,
rxcrc_xf : 1,
artx : 1,
sarec : 1,
tx_jabber : 1, /* why is this called max_len in the manual? */
hash_1 : 1,
lbpkpol : 1;
u_char : 6,
fdx : 1,
: 1;
u_char dummy_6 : 6, /* supposed to be ones */
mult_ia : 1,
dis_bof : 1;
u_char dummy_1 : 1, /* supposed to be one */
tx_ifs_retrig : 2,
mc_all : 1,
rcv_mon : 2,
frag_acpt : 1,
tstrttrs : 1;
u_char fretx : 1,
runt_eop : 1,
hw_sw_pin : 1,
big_endn : 1,
syncrqs : 1,
sttlen : 1,
tx_eop : 1,
rx_eop : 1;
u_char rbuf_size : 5,
rcvstop : 1,
: 2;
};
#define I82593_MAX_MULTICAST_ADDRESSES 128 /* Hardware hashed filter */
#endif /* _I82593_H */
