~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/include/linux/acpi_pmtmr.h

Version: ~ [ linux-5.18 ] ~ [ linux-5.17.9 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.41 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.117 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.195 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.244 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.280 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.315 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.302 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.9 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /* SPDX-License-Identifier: GPL-2.0 */
  2 #ifndef _ACPI_PMTMR_H_
  3 #define _ACPI_PMTMR_H_
  4 
  5 #include <linux/clocksource.h>
  6 
  7 /* Number of PMTMR ticks expected during calibration run */
  8 #define PMTMR_TICKS_PER_SEC 3579545
  9 
 10 /* limit it to 24 bits */
 11 #define ACPI_PM_MASK CLOCKSOURCE_MASK(24)
 12 
 13 /* Overrun value */
 14 #define ACPI_PM_OVRRUN  (1<<24)
 15 
 16 #ifdef CONFIG_X86_PM_TIMER
 17 
 18 extern u32 acpi_pm_read_verified(void);
 19 extern u32 pmtmr_ioport;
 20 
 21 static inline u32 acpi_pm_read_early(void)
 22 {
 23         if (!pmtmr_ioport)
 24                 return 0;
 25         /* mask the output to 24 bits */
 26         return acpi_pm_read_verified() & ACPI_PM_MASK;
 27 }
 28 
 29 #else
 30 
 31 static inline u32 acpi_pm_read_early(void)
 32 {
 33         return 0;
 34 }
 35 
 36 #endif
 37 
 38 #endif
 39 
 40 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp