[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / scc.h

/* $Id: scc.h,v 1.29 1997/04/02 14:56:45 jreuter Exp jreuter $ */
#ifndef	_SCC_H
#define	_SCC_H

#include <uapi/linux/scc.h>


enum {TX_OFF, TX_ON};	/* command for scc_key_trx() */

/* Vector masks in RR2B */

#define VECTOR_MASK	0x06
#define TXINT		0x00
#define EXINT		0x02
#define RXINT		0x04
#define SPINT		0x06

#ifdef CONFIG_SCC_DELAY
#define Inb(port)	inb_p(port)
#define Outb(port, val)	outb_p(val, port)
#else
#define Inb(port)	inb(port)
#define Outb(port, val)	outb(val, port)
#endif

/* SCC channel control structure for KISS */

struct scc_kiss {
	unsigned char txdelay;		/* Transmit Delay 10 ms/cnt */
	unsigned char persist;		/* Persistence (0-255) as a % */
	unsigned char slottime;		/* Delay to wait on persistence hit */
	unsigned char tailtime;		/* Delay after last byte written */
	unsigned char fulldup;		/* Full Duplex mode 0=CSMA 1=DUP 2=ALWAYS KEYED */
	unsigned char waittime;		/* Waittime before any transmit attempt */
	unsigned int  maxkeyup;		/* Maximum time to transmit (seconds) */
	unsigned int  mintime;		/* Minimal offtime after MAXKEYUP timeout (seconds) */
	unsigned int  idletime;		/* Maximum idle time in ALWAYS KEYED mode (seconds) */
	unsigned int  maxdefer;		/* Timer for CSMA channel busy limit */
	unsigned char tx_inhibit;	/* Transmit is not allowed when set */	
	unsigned char group;		/* Group ID for AX.25 TX interlocking */
	unsigned char mode;		/* 'normal' or 'hwctrl' mode (unused) */
	unsigned char softdcd;		/* Use DPLL instead of DCD pin for carrier detect */
};


/* SCC channel structure */

struct scc_channel {
	int init;			/* channel exists? */

	struct net_device *dev;		/* link to device control structure */
	struct net_device_stats dev_stat;/* device statistics */

	char brand;			/* manufacturer of the board */
	long clock;			/* used clock */

	io_port ctrl;			/* I/O address of CONTROL register */
	io_port	data;			/* I/O address of DATA register */
	io_port special;		/* I/O address of special function port */
	int irq;			/* Number of Interrupt */

	char option;
	char enhanced;			/* Enhanced SCC support */

	unsigned char wreg[16]; 	/* Copy of last written value in WRx */
	unsigned char status;		/* Copy of R0 at last external interrupt */
	unsigned char dcd;		/* DCD status */

        struct scc_kiss kiss;		/* control structure for KISS params */
        struct scc_stat stat;		/* statistical information */
        struct scc_modem modem; 	/* modem information */

        struct sk_buff_head tx_queue;	/* next tx buffer */
        struct sk_buff *rx_buff;	/* pointer to frame currently received */
        struct sk_buff *tx_buff;	/* pointer to frame currently transmitted */

	/* Timer */
	struct timer_list tx_t;		/* tx timer for this channel */
	struct timer_list tx_wdog;	/* tx watchdogs */
	
	/* Channel lock */
	spinlock_t	lock;		/* Channel guard lock */
};

#endif /* defined(_SCC_H) */
Commit	Line	Data
1da177e4	1	/* $Id: scc.h,v 1.29 1997/04/02 14:56:45 jreuter Exp jreuter $ */
1da177e4 LT	2	#ifndef _SCC_H
	3	#define _SCC_H
	4
607ca46e	5	#include <uapi/linux/scc.h>
1da177e4	6
1da177e4 LT	7
	8	enum {TX_OFF, TX_ON}; /* command for scc_key_trx() */
	9
	10	/* Vector masks in RR2B */
	11
	12	#define VECTOR_MASK 0x06
	13	#define TXINT 0x00
	14	#define EXINT 0x02
	15	#define RXINT 0x04
	16	#define SPINT 0x06
	17
	18	#ifdef CONFIG_SCC_DELAY
	19	#define Inb(port) inb_p(port)
	20	#define Outb(port, val) outb_p(val, port)
	21	#else
	22	#define Inb(port) inb(port)
	23	#define Outb(port, val) outb(val, port)
	24	#endif
	25
	26	/* SCC channel control structure for KISS */
	27
	28	struct scc_kiss {
	29	unsigned char txdelay; /* Transmit Delay 10 ms/cnt */
	30	unsigned char persist; /* Persistence (0-255) as a % */
	31	unsigned char slottime; /* Delay to wait on persistence hit */
	32	unsigned char tailtime; /* Delay after last byte written */
	33	unsigned char fulldup; /* Full Duplex mode 0=CSMA 1=DUP 2=ALWAYS KEYED */
	34	unsigned char waittime; /* Waittime before any transmit attempt */
	35	unsigned int maxkeyup; /* Maximum time to transmit (seconds) */
	36	unsigned int mintime; /* Minimal offtime after MAXKEYUP timeout (seconds) */
	37	unsigned int idletime; /* Maximum idle time in ALWAYS KEYED mode (seconds) */
	38	unsigned int maxdefer; /* Timer for CSMA channel busy limit */
	39	unsigned char tx_inhibit; /* Transmit is not allowed when set */
	40	unsigned char group; /* Group ID for AX.25 TX interlocking */
	41	unsigned char mode; /* 'normal' or 'hwctrl' mode (unused) */
	42	unsigned char softdcd; /* Use DPLL instead of DCD pin for carrier detect */
	43	};
	44
	45
	46	/* SCC channel structure */
	47
	48	struct scc_channel {
	49	int init; /* channel exists? */
	50
	51	struct net_device dev; / link to device control structure */
	52	struct net_device_stats dev_stat;/* device statistics */
	53
	54	char brand; /* manufacturer of the board */
	55	long clock; /* used clock */
	56
	57	io_port ctrl; /* I/O address of CONTROL register */
	58	io_port data; /* I/O address of DATA register */
	59	io_port special; /* I/O address of special function port */
	60	int irq; /* Number of Interrupt */
	61
	62	char option;
	63	char enhanced; /* Enhanced SCC support */
	64
	65	unsigned char wreg[16]; /* Copy of last written value in WRx */
	66	unsigned char status; /* Copy of R0 at last external interrupt */
	67	unsigned char dcd; /* DCD status */
	68
	69	struct scc_kiss kiss; /* control structure for KISS params */
	70	struct scc_stat stat; /* statistical information */
71	struct scc_modem modem; /* modem information */
72
73	struct sk_buff_head tx_queue; /* next tx buffer */
74	struct sk_buff rx_buff; / pointer to frame currently received */
75	struct sk_buff tx_buff; / pointer to frame currently transmitted */
76
77	/* Timer */
78	struct timer_list tx_t; /* tx timer for this channel */
79	struct timer_list tx_wdog; /* tx watchdogs */
80
81	/* Channel lock */
82	spinlock_t lock; /* Channel guard lock */
83	};
84
1da177e4	85	#endif /* defined(_SCC_H) */