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- /*
- * 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
- /* Magic numbers */
- #define PARPORT_IRQ_NONE -1
- #define PARPORT_DMA_NONE -1
- #define PARPORT_IRQ_AUTO -2
- #define PARPORT_DMA_AUTO -2
- #define PARPORT_DMA_NOFIFO -3
- #define PARPORT_DISABLE -2
- #define PARPORT_IRQ_PROBEONLY -3
- #define PARPORT_IOHI_AUTO -1
- #define PARPORT_CONTROL_STROBE 0x1
- #define PARPORT_CONTROL_AUTOFD 0x2
- #define PARPORT_CONTROL_INIT 0x4
- #define PARPORT_CONTROL_SELECT 0x8
- #define PARPORT_STATUS_ERROR 0x8
- #define PARPORT_STATUS_SELECT 0x10
- #define PARPORT_STATUS_PAPEROUT 0x20
- #define PARPORT_STATUS_ACK 0x40
- #define PARPORT_STATUS_BUSY 0x80
- /* Type classes for Plug-and-Play probe. */
- typedef enum {
- 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 */
- /* The rest is for the kernel only */
- #endif /* _UAPI_PARPORT_H_ */
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