diff options
Diffstat (limited to 'include/linux/mmtimer.h')
| -rw-r--r-- | include/linux/mmtimer.h | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/include/linux/mmtimer.h b/include/linux/mmtimer.h deleted file mode 100644 index 884cabf16088..000000000000 --- a/include/linux/mmtimer.h +++ /dev/null @@ -1,56 +0,0 @@ -/* - * Intel Multimedia Timer device interface - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (c) 2001-2004 Silicon Graphics, Inc. All rights reserved. - * - * This file should define an interface compatible with the IA-PC Multimedia - * Timers Draft Specification (rev. 0.97) from Intel. Note that some - * hardware may not be able to safely export its registers to userspace, - * so the ioctl interface should support all necessary functionality. - * - * 11/01/01 - jbarnes - initial revision - * 9/10/04 - Christoph Lameter - remove interrupt support - * 9/17/04 - jbarnes - remove test program, move some #defines to the driver - */ - -#ifndef _LINUX_MMTIMER_H -#define _LINUX_MMTIMER_H - -/* - * Breakdown of the ioctl's available. An 'optional' next to the command - * indicates that supporting this command is optional, while 'required' - * commands must be implemented if conformance is desired. - * - * MMTIMER_GETOFFSET - optional - * Should return the offset (relative to the start of the page where the - * registers are mapped) for the counter in question. - * - * MMTIMER_GETRES - required - * The resolution of the clock in femto (10^-15) seconds - * - * MMTIMER_GETFREQ - required - * Frequency of the clock in Hz - * - * MMTIMER_GETBITS - required - * Number of bits in the clock's counter - * - * MMTIMER_MMAPAVAIL - required - * Returns nonzero if the registers can be mmap'd into userspace, 0 otherwise - * - * MMTIMER_GETCOUNTER - required - * Gets the current value in the counter - */ -#define MMTIMER_IOCTL_BASE 'm' - -#define MMTIMER_GETOFFSET _IO(MMTIMER_IOCTL_BASE, 0) -#define MMTIMER_GETRES _IOR(MMTIMER_IOCTL_BASE, 1, unsigned long) -#define MMTIMER_GETFREQ _IOR(MMTIMER_IOCTL_BASE, 2, unsigned long) -#define MMTIMER_GETBITS _IO(MMTIMER_IOCTL_BASE, 4) -#define MMTIMER_MMAPAVAIL _IO(MMTIMER_IOCTL_BASE, 6) -#define MMTIMER_GETCOUNTER _IOR(MMTIMER_IOCTL_BASE, 9, unsigned long) - -#endif /* _LINUX_MMTIMER_H */ |