[unix-history] / usr / src / sys / i386 / isa / if_apxreg.h

/*
 * Copyright (c) 1982, 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * %sccs.include.redist.c%
 *
 *	@(#)if_apxreg.h	7.4 (Berkeley) %G%
 */


/*
 * SGS Thompson MK5205 structures and registers
 */

/* 
 * Device Control Ports (Multiplexed CSR's)
 */
struct sgcp {
	u_short	sgcp_rdp;
	u_short	sgcp_rap;
};

/*
 * Operating Parameters for timers etc.
 * (Suitable for reseting by ioctl).
 */ 
struct sgop {
	u_short	lsaddr;
	u_short	rsaddr;
	u_short	n1;
	u_short	n2_scale;
	u_short	t1;
	u_short	t3;
	u_short	tp;
};

/*
 * Common addressing element rife through chip
 */
struct sgae {
	u_short	f_hi;
	u_short	lo;
};
/*
 * Common format for tx/rx descriptors
 */

struct sgdx {
	struct	sgae sgdx_ae;
#define		sgdx_flags sgdx_ae.f_hi
#define		sgdx_addr sgdx_ae.lo
	short	sgdx_bcnt;
	short	sgdx_mcnt;
};

/*
 * Interpretation of reported errors 
 */
struct sger {
	u_short	sger_bad;
	u_short	sger_t1timo;
	u_short	sger_frmr;
	u_short	sger_txrej;
	u_short	sger_rxrej;
	u_short	sger_short;
};

/*
 * Status buffer, paired bytes hi order low order
 */
struct sgsb {
	u_short	sgsb_vrvs;
	u_short	sgsb_lsrs;
	u_short	sgsb_phzva;
	u_short	sgsb_hirxcnt;
	u_short	sgsb_lorxcnt;
	u_short	sgsb_hitxcnt;
	u_short	sgsb_lotxcnt;
};

#define SGMTU 1032
#define SGRBUF 16
#define SGRBUF_LOG2 4
#define SG_RLEN (SGRBUF_LOG2 << 12)
#define SGTBUF 8
#define SGTBUF_LOG2 3
#define SG_TLEN (SGTBUF_LOG2 << 12)

/*
 * APC-PCX RAM
 */

struct apc_mem {
	/* Initialization Block */
	u_short	apc_mode;
	struct	sgop apc_sgop;
	struct	sgae apc_rxdd;
	struct	sgae apc_txdd;
	struct	sgdx apc_txtid;
	struct	sgdx apc_rxtid;
	struct	sgae apc_stdd;
	struct	sger apc_sger;
	struct	sgsb apc_sgsb;		/* Status Buffer */
	struct	sgdx apc_rxmd[SGRBUF];	/* Receive Message Descriptors */
	struct	sgdx apc_txmd[SGTBUF];	/* Transmit Message Descriptors */
	char	apc_rbuf[SGRBUF][SGMTU]; /* Receive Message Buffers */
	char	apc_tbuf[SGTBUF][SGMTU]; /* Transmit Message Buffers */
	char	apc_rxidbuf[SGMTU];
	char	apc_txidbuf[SGMTU];
};
/*
 * APC-PCX registers
 */
struct apc_reg {
	struct	sgcp axr_sgcp[2];
	u_char	arx_pad0[4];
	u_char	axr_cnt0;
	u_char	axr_cnt1;
	u_char	axr_cnt2;
	u_char	axr_ccr;
	u_char	axr_mode;
	u_char	axr_pad1;
	u_char	axr_status;
	u_char	axr_pad2;
	u_char	axr_altmode;
	u_char	axr_pad3[11];
};

/*
 * Hardware tweaking
 */
struct apc_modes {
	struct	sgop apm_sgop;	/* tweak timers */
	u_char	apm_txwin;	/* set parameter for transmit window */
	u_char	apm_apxmode;
	u_char	apm_apxaltmode;
	u_char	apm_iftype;	/* someday indicate PPP vs X.25 */
};

#define	SIOCSIFMODE	_IOW('i', 127, struct apc_modes) /* set parameters */

/* TX RX descriptor bits */
#define SG_OWN 0x8000
#define SG_SLF 0x2000
#define SG_ELF 0x1000
#define	SG_TUI 0x800

/* CSR0 quantities */
#define SG_TDMD	0x8000
#define SG_STOPPED 0x4000
#define SG_DTX	0x2000
#define SG_DRX	0x1000
#define SG_TXON 0x800
#define SG_RXON 0x400
#define SG_INEA 0x200
#define SG_INTR 0x100
#define SG_MERR 0x80
#define SG_MISS 0x40
#define SG_ROR	0x20
#define SG_TUR	0x10
#define SG_PINT 0x8
#define SG_TINT 0x4
#define SG_RINT 0x2

/* CSR1 quantities */
#define SG_UAV	0x4000
#define SG_PAV	0x40
#define SG_STOP	0
#define SG_INIT	(2 << 8)
#define SG_TRANS (3 << 8)
#define SG_STAT	(4 << 8)

#define SG_PROM	0x400
#define SG_UIE	0x200
#define SG_BSWAP 0x20
Commit	Line	Data
b852041a KS	1	/*
	2	* Copyright (c) 1982, 1990 The Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* %sccs.include.redist.c%
	6	*
7726cddb	7	* @(#)if_apxreg.h 7.4 (Berkeley) %G%
b852041a KS	8	*/
	9
	10
026932b7 KS	11	/*
	12	* SGS Thompson MK5205 structures and registers
	13	*/
b852041a KS	14
b852041a KS	15	/*
026932b7	16	* Device Control Ports (Multiplexed CSR's)
b852041a KS	17	*/
b852041a KS	18	struct sgcp {
7726cddb KS	19	u_short sgcp_rdp;
7726cddb KS	20	u_short sgcp_rap;
b852041a	21	};
026932b7	22
b852041a KS	23	/*
	24	* Operating Parameters for timers etc.
	25	* (Suitable for reseting by ioctl).
	26	*/
	27	struct sgop {
7726cddb KS	28	u_short lsaddr;
7726cddb KS	29	u_short rsaddr;
b852041a KS	30	u_short n1;
	31	u_short n2_scale;
	32	u_short t1;
	33	u_short t3;
	34	u_short tp;
	35	};
	36
7726cddb KS	37	/*
	38	* Common addressing element rife through chip
	39	*/
	40	struct sgae {
	41	u_short f_hi;
	42	u_short lo;
	43	};
b852041a	44	/*
026932b7	45	* Common format for tx/rx descriptors
b852041a KS	46	*/
	47
	48	struct sgdx {
7726cddb KS	49	struct sgae sgdx_ae;
	50	#define sgdx_flags sgdx_ae.f_hi
	51	#define sgdx_addr sgdx_ae.lo
b852041a	52	short sgdx_bcnt;
7726cddb	53	short sgdx_mcnt;
b852041a KS	54	};
	55
	56	/*
026932b7	57	* Interpretation of reported errors
b852041a KS	58	*/
	59	struct sger {
	60	u_short sger_bad;
	61	u_short sger_t1timo;
	62	u_short sger_frmr;
	63	u_short sger_txrej;
	64	u_short sger_rxrej;
	65	u_short sger_short;
	66	};
	67
	68	/*
026932b7	69	* Status buffer, paired bytes hi order low order
b852041a KS	70	*/
	71	struct sgsb {
	72	u_short sgsb_vrvs;
	73	u_short sgsb_lsrs;
7726cddb	74	u_short sgsb_phzva;
b852041a KS	75	u_short sgsb_hirxcnt;
	76	u_short sgsb_lorxcnt;
	77	u_short sgsb_hitxcnt;
	78	u_short sgsb_lotxcnt;
	79	};
	80
	81	#define SGMTU 1032
	82	#define SGRBUF 16
90e5f293	83	#define SGRBUF_LOG2 4
b852041a KS	84	#define SG_RLEN (SGRBUF_LOG2 << 12)
b852041a KS	85	#define SGTBUF 8
90e5f293	86	#define SGTBUF_LOG2 3
b852041a KS	87	#define SG_TLEN (SGTBUF_LOG2 << 12)
	88
	89	/*
	90	* APC-PCX RAM
	91	*/
	92
	93	struct apc_mem {
	94	/* Initialization Block */
	95	u_short apc_mode;
	96	struct sgop apc_sgop;
7726cddb KS	97	struct sgae apc_rxdd;
7726cddb KS	98	struct sgae apc_txdd;
b852041a KS	99	struct sgdx apc_txtid;
b852041a KS	100	struct sgdx apc_rxtid;
7726cddb	101	struct sgae apc_stdd;
b852041a KS	102	struct sger apc_sger;
	103	struct sgsb apc_sgsb; /* Status Buffer */
	104	struct sgdx apc_rxmd[SGRBUF]; /* Receive Message Descriptors */
	105	struct sgdx apc_txmd[SGTBUF]; /* Transmit Message Descriptors */
	106	char apc_rbuf[SGRBUF][SGMTU]; /* Receive Message Buffers */
	107	char apc_tbuf[SGTBUF][SGMTU]; /* Transmit Message Buffers */
	108	char apc_rxidbuf[SGMTU];
	109	char apc_txidbuf[SGMTU];
	110	};
	111	/*
	112	* APC-PCX registers
	113	*/
	114	struct apc_reg {
90e5f293	115	struct sgcp axr_sgcp[2];
b852041a KS	116	u_char arx_pad0[4];
	117	u_char axr_cnt0;
	118	u_char axr_cnt1;
	119	u_char axr_cnt2;
	120	u_char axr_ccr;
	121	u_char axr_mode;
	122	u_char axr_pad1;
	123	u_char axr_status;
	124	u_char axr_pad2;
	125	u_char axr_altmode;
	126	u_char axr_pad3[11];
	127	};
	128
	129	/*
	130	* Hardware tweaking
	131	*/
	132	struct apc_modes {
	133	struct sgop apm_sgop; /* tweak timers */
	134	u_char apm_txwin; /* set parameter for transmit window */
	135	u_char apm_apxmode;
	136	u_char apm_apxaltmode;
7726cddb	137	u_char apm_iftype; /* someday indicate PPP vs X.25 */
b852041a KS	138	};
	139
	140	#define SIOCSIFMODE _IOW('i', 127, struct apc_modes) /* set parameters */
	141
	142	/* TX RX descriptor bits */
	143	#define SG_OWN 0x8000
	144	#define SG_SLF 0x2000
	145	#define SG_ELF 0x1000
	146	#define SG_TUI 0x800
	147
	148	/* CSR0 quantities */
	149	#define SG_TDMD 0x8000
	150	#define SG_STOPPED 0x4000
	151	#define SG_DTX 0x2000
	152	#define SG_DRX 0x1000
	153	#define SG_TXON 0x800
	154	#define SG_RXON 0x400
	155	#define SG_INEA 0x200
	156	#define SG_INTR 0x100
	157	#define SG_MERR 0x80
	158	#define SG_MISS 0x40
	159	#define SG_ROR 0x20
	160	#define SG_TUR 0x10
	161	#define SG_PINT 0x8
	162	#define SG_TINT 0x4
	163	#define SG_RINT 0x2
	164
	165	/* CSR1 quantities */
	166	#define SG_UAV 0x4000
	167	#define SG_PAV 0x40
	168	#define SG_STOP 0
7726cddb	169	#define SG_INIT (2 << 8)
b852041a KS	170	#define SG_TRANS (3 << 8)
	171	#define SG_STAT (4 << 8)
	172
	173	#define SG_PROM 0x400
	174	#define SG_UIE 0x200
	175	#define SG_BSWAP 0x20