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95 lines
3.6 KiB
95 lines
3.6 KiB
/* |
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* Any part of this program may be used in documents licensed under |
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* the GNU Free Documentation License, Version 1.1 or any later version |
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* published by the Free Software Foundation. |
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*/ |
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#ifndef _UAPI_PARPORT_H_ |
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#define _UAPI_PARPORT_H_ |
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/* Start off with user-visible constants */ |
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/* Maximum of 16 ports per machine */ |
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#define PARPORT_MAX 16 |
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/* Magic numbers */ |
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#define PARPORT_IRQ_NONE -1 |
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#define PARPORT_DMA_NONE -1 |
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#define PARPORT_IRQ_AUTO -2 |
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#define PARPORT_DMA_AUTO -2 |
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#define PARPORT_DMA_NOFIFO -3 |
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#define PARPORT_DISABLE -2 |
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#define PARPORT_IRQ_PROBEONLY -3 |
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#define PARPORT_IOHI_AUTO -1 |
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#define PARPORT_CONTROL_STROBE 0x1 |
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#define PARPORT_CONTROL_AUTOFD 0x2 |
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#define PARPORT_CONTROL_INIT 0x4 |
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#define PARPORT_CONTROL_SELECT 0x8 |
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#define PARPORT_STATUS_ERROR 0x8 |
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#define PARPORT_STATUS_SELECT 0x10 |
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#define PARPORT_STATUS_PAPEROUT 0x20 |
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#define PARPORT_STATUS_ACK 0x40 |
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#define PARPORT_STATUS_BUSY 0x80 |
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/* Type classes for Plug-and-Play probe. */ |
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typedef enum { |
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PARPORT_CLASS_LEGACY = 0, /* Non-IEEE1284 device */ |
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PARPORT_CLASS_PRINTER, |
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PARPORT_CLASS_MODEM, |
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PARPORT_CLASS_NET, |
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PARPORT_CLASS_HDC, /* Hard disk controller */ |
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PARPORT_CLASS_PCMCIA, |
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PARPORT_CLASS_MEDIA, /* Multimedia device */ |
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PARPORT_CLASS_FDC, /* Floppy disk controller */ |
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PARPORT_CLASS_PORTS, |
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PARPORT_CLASS_SCANNER, |
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PARPORT_CLASS_DIGCAM, |
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PARPORT_CLASS_OTHER, /* Anything else */ |
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PARPORT_CLASS_UNSPEC, /* No CLS field in ID */ |
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PARPORT_CLASS_SCSIADAPTER |
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} parport_device_class; |
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/* The "modes" entry in parport is a bit field representing the |
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capabilities of the hardware. */ |
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#define PARPORT_MODE_PCSPP (1<<0) /* IBM PC registers available. */ |
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#define PARPORT_MODE_TRISTATE (1<<1) /* Can tristate. */ |
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#define PARPORT_MODE_EPP (1<<2) /* Hardware EPP. */ |
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#define PARPORT_MODE_ECP (1<<3) /* Hardware ECP. */ |
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#define PARPORT_MODE_COMPAT (1<<4) /* Hardware 'printer protocol'. */ |
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#define PARPORT_MODE_DMA (1<<5) /* Hardware can DMA. */ |
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#define PARPORT_MODE_SAFEININT (1<<6) /* SPP registers accessible in IRQ. */ |
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/* IEEE1284 modes: |
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Nibble mode, byte mode, ECP, ECPRLE and EPP are their own |
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'extensibility request' values. Others are special. |
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'Real' ECP modes must have the IEEE1284_MODE_ECP bit set. */ |
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#define IEEE1284_MODE_NIBBLE 0 |
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#define IEEE1284_MODE_BYTE (1<<0) |
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#define IEEE1284_MODE_COMPAT (1<<8) |
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#define IEEE1284_MODE_BECP (1<<9) /* Bounded ECP mode */ |
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#define IEEE1284_MODE_ECP (1<<4) |
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#define IEEE1284_MODE_ECPRLE (IEEE1284_MODE_ECP | (1<<5)) |
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#define IEEE1284_MODE_ECPSWE (1<<10) /* Software-emulated */ |
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#define IEEE1284_MODE_EPP (1<<6) |
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#define IEEE1284_MODE_EPPSL (1<<11) /* EPP 1.7 */ |
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#define IEEE1284_MODE_EPPSWE (1<<12) /* Software-emulated */ |
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#define IEEE1284_DEVICEID (1<<2) /* This is a flag */ |
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#define IEEE1284_EXT_LINK (1<<14) /* This flag causes the |
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* extensibility link to |
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* be requested, using |
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* bits 0-6. */ |
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/* For the benefit of parport_read/write, you can use these with |
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* parport_negotiate to use address operations. They have no effect |
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* other than to make parport_read/write use address transfers. */ |
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#define IEEE1284_ADDR (1<<13) /* This is a flag */ |
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#define IEEE1284_DATA 0 /* So is this */ |
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/* Flags for block transfer operations. */ |
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#define PARPORT_EPP_FAST (1<<0) /* Unreliable counts. */ |
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#define PARPORT_W91284PIC (1<<1) /* have a Warp9 w91284pic in the device */ |
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/* The rest is for the kernel only */ |
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#endif /* _UAPI_PARPORT_H_ */
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