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Index of /FSS-OZR/root/proc/self/cwd/sys/devices/virtual/vc/vcsu6/subsystem/vcsa4
Index of /FSS-OZR/root/proc/self/cwd/sys/devices/virtual/vc/vcsu6/subsystem/vcsa4
" lm_J*j"T=pO)F
h MAJOR=4
MINOR=21
DEVNAME=tty21
$
am_J*j"TƚTţ ? /*
* Any part of this program may be used in documents licensed under
* the GNU Free Documentation License, Version 1.1 or any later version
* published by the Free Software Foundation.
*/
#ifndef _PARPORT_H_
#define _PARPORT_H_
#include
#include
#include
#include
#include
#include
#include
#include
#include
/* Define this later. */
struct parport;
struct pardevice;
struct pc_parport_state {
unsigned int ctr;
unsigned int ecr;
};
struct ax_parport_state {
unsigned int ctr;
unsigned int ecr;
unsigned int dcsr;
};
/* used by both parport_amiga and parport_mfc3 */
struct amiga_parport_state {
unsigned char data; /* ciaa.prb */
unsigned char datadir; /* ciaa.ddrb */
unsigned char status; /* ciab.pra & 7 */
unsigned char statusdir;/* ciab.ddrb & 7 */
};
struct ax88796_parport_state {
unsigned char cpr;
};
struct ip32_parport_state {
unsigned int dcr;
unsigned int ecr;
};
struct parport_state {
union {
struct pc_parport_state pc;
/* ARC has no state. */
struct ax_parport_state ax;
struct amiga_parport_state amiga;
struct ax88796_parport_state ax88796;
/* Atari has not state. */
struct ip32_parport_state ip32;
void *misc;
} u;
};
struct parport_operations {
/* IBM PC-style virtual registers. */
void (*write_data)(struct parport *, unsigned char);
unsigned char (*read_data)(struct parport *);
void (*write_control)(struct parport *, unsigned char);
unsigned char (*read_control)(struct parport *);
unsigned char (*frob_control)(struct parport *, unsigned char mask,
unsigned char val);
unsigned char (*read_status)(struct parport *);
/* IRQs. */
void (*enable_irq)(struct parport *);
void (*disable_irq)(struct parport *);
/* Data direction. */
void (*data_forward) (struct parport *);
void (*data_reverse) (struct parport *);
/* For core parport code. */
void (*init_state)(struct pardevice *, struct parport_state *);
void (*save_state)(struct parport *, struct parport_state *);
void (*restore_state)(struct parport *, struct parport_state *);
/* Block read/write */
size_t (*epp_write_data) (struct parport *port, const void *buf,
size_t len, int flags);
size_t (*epp_read_data) (struct parport *por