mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-15 06:56:44 +07:00
607ca46e97
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
96 lines
3.6 KiB
C
96 lines
3.6 KiB
C
/*
|
|
* 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_ */
|