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-rw-r--r--include/uapi/linux/parport.h95
1 files changed, 95 insertions, 0 deletions
diff --git a/include/uapi/linux/parport.h b/include/uapi/linux/parport.h
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--- /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_ */
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