diff options
Diffstat (limited to 'include/uapi/linux/parport.h')
| -rw-r--r-- | include/uapi/linux/parport.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/include/uapi/linux/parport.h b/include/uapi/linux/parport.h new file mode 100644 index 000000000000..f41388f88dc3 --- /dev/null +++ b/include/uapi/linux/parport.h @@ -0,0 +1,95 @@ +/* + * 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_ */ |
