#include <linux/wait.h>
#include <linux/mutex.h>
#include <uapi/linux/lp.h>

Macros
#define	LP_PARPORT_UNSPEC -4

#define	LP_PARPORT_AUTO -3

#define	LP_PARPORT_OFF -2

#define	LP_PARPORT_NONE -1

#define	LP_F(minor) lp_table[(minor)].flags /* flags for busy, etc. */

#define	LP_CHAR(minor) lp_table[(minor)].chars /* busy timeout */

#define	LP_TIME(minor) lp_table[(minor)].time /* wait time */

#define	LP_WAIT(minor) lp_table[(minor)].wait /* strobe wait */

#define	LP_IRQ(minor) lp_table[(minor)].dev->port->irq /* interrupt # */

#define	LP_BUFFER_SIZE PAGE_SIZE

#define	LP_BASE(x) lp_table[(x)].dev->port->base

#define	LP_PINTEN 0x10 /* high to read data in or-ed with data out */

#define	LP_PSELECP 0x08 /* inverted output, active low */

#define	LP_PINITP 0x04 /* unchanged output, active low */

#define	LP_PAUTOLF 0x02 /* inverted output, active low */

#define	LP_PSTROBE 0x01 /* short high output on raising edge */

#define	LP_DUMMY 0x00

#define	LP_DELAY 50

Macro Definition Documentation

#define LP_BASE ( x ) lp_table[(x)].dev->port->base

Definition at line 32 of file lp.h.

#define LP_BUFFER_SIZE PAGE_SIZE

Definition at line 30 of file lp.h.

#define LP_CHAR ( minor ) lp_table[(minor)].chars /* busy timeout */

Definition at line 22 of file lp.h.

#define LP_DELAY 50

Definition at line 98 of file lp.h.

#define LP_DUMMY 0x00

Definition at line 92 of file lp.h.

#define LP_F ( minor ) lp_table[(minor)].flags /* flags for busy, etc. */

Definition at line 21 of file lp.h.

#define LP_IRQ ( minor ) lp_table[(minor)].dev->port->irq /* interrupt # */

Definition at line 25 of file lp.h.

#define LP_PARPORT_AUTO -3

Definition at line 17 of file lp.h.

#define LP_PARPORT_NONE -1

Definition at line 19 of file lp.h.

#define LP_PARPORT_OFF -2

Definition at line 18 of file lp.h.

#define LP_PARPORT_UNSPEC -4

Definition at line 16 of file lp.h.

#define LP_PAUTOLF 0x02 /* inverted output, active low */

Definition at line 84 of file lp.h.

#define LP_PINITP 0x04 /* unchanged output, active low */

Definition at line 83 of file lp.h.

#define LP_PINTEN 0x10 /* high to read data in or-ed with data out */

Definition at line 81 of file lp.h.

#define LP_PSELECP 0x08 /* inverted output, active low */

Definition at line 82 of file lp.h.

#define LP_PSTROBE 0x01 /* short high output on raising edge */

Definition at line 85 of file lp.h.

#define LP_TIME ( minor ) lp_table[(minor)].time /* wait time */

Definition at line 23 of file lp.h.

#define LP_WAIT ( minor ) lp_table[(minor)].wait /* strobe wait */

Definition at line 24 of file lp.h.

Data Structures