/* * 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 _UAPI_PARPORT_H_ #define _UAPI_PARPORT_H_
/* Start off with user-visible constants */
/* Maximum of 16 ports per machine */ #define PARPORT_MAX 16
/* Type classes for Plug-and-Play probe. */ typedefenum {
PARPORT_CLASS_LEGACY = 0, /* Non-IEEE1284 device */
PARPORT_CLASS_PRINTER,
PARPORT_CLASS_MODEM,
PARPORT_CLASS_NET,
PARPORT_CLASS_HDC, /* Hard disk controller */
PARPORT_CLASS_PCMCIA,
PARPORT_CLASS_MEDIA, /* Multimedia device */
PARPORT_CLASS_FDC, /* Floppy disk controller */
PARPORT_CLASS_PORTS,
PARPORT_CLASS_SCANNER,
PARPORT_CLASS_DIGCAM,
PARPORT_CLASS_OTHER, /* Anything else */
PARPORT_CLASS_UNSPEC, /* No CLS field in ID */
PARPORT_CLASS_SCSIADAPTER
} parport_device_class;
/* The "modes" entry in parport is a bit field representing the
capabilities of the hardware. */ #define PARPORT_MODE_PCSPP (1<<0) /* IBM PC registers available. */ #define PARPORT_MODE_TRISTATE (1<<1) /* Can tristate. */ #define PARPORT_MODE_EPP (1<<2) /* Hardware EPP. */ #define PARPORT_MODE_ECP (1<<3) /* Hardware ECP. */ #define PARPORT_MODE_COMPAT (1<<4) /* Hardware 'printer protocol'. */ #define PARPORT_MODE_DMA (1<<5) /* Hardware can DMA. */ #define PARPORT_MODE_SAFEININT (1<<6) /* SPP registers accessible in IRQ. */
/* IEEE1284 modes: Nibble mode, byte mode, ECP, ECPRLE and EPP are their own 'extensibility request' values. Others are special.
'Real' ECP modes must have the IEEE1284_MODE_ECP bit set. */ #define IEEE1284_MODE_NIBBLE 0 #define IEEE1284_MODE_BYTE (1<<0) #define IEEE1284_MODE_COMPAT (1<<8) #define IEEE1284_MODE_BECP (1<<9) /* Bounded ECP mode */ #define IEEE1284_MODE_ECP (1<<4) #define IEEE1284_MODE_ECPRLE (IEEE1284_MODE_ECP | (1<<5)) #define IEEE1284_MODE_ECPSWE (1<<10) /* Software-emulated */ #define IEEE1284_MODE_EPP (1<<6) #define IEEE1284_MODE_EPPSL (1<<11) /* EPP 1.7 */ #define IEEE1284_MODE_EPPSWE (1<<12) /* Software-emulated */ #define IEEE1284_DEVICEID (1<<2) /* This is a flag */ #define IEEE1284_EXT_LINK (1<<14) /* This flag causes the * extensibility link to * be requested, using
* bits 0-6. */
/* For the benefit of parport_read/write, you can use these with * parport_negotiate to use address operations. They have no effect
* other than to make parport_read/write use address transfers. */ #define IEEE1284_ADDR (1<<13) /* This is a flag */ #define IEEE1284_DATA 0 /* So is this */
/* Flags for block transfer operations. */ #define PARPORT_EPP_FAST (1<<0) /* Unreliable counts. */ #define PARPORT_W91284PIC (1<<1) /* have a Warp9 w91284pic in the device */ #define PARPORT_EPP_FAST_32 PARPORT_EPP_FAST /* 32-bit EPP transfers */ #define PARPORT_EPP_FAST_16 (1<<2) /* 16-bit EPP transfers */ #define PARPORT_EPP_FAST_8 (1<<3) /* 8-bit EPP transfers */
/* The rest is for the kernel only */ #endif/* _UAPI_PARPORT_H_ */
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