diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-14 17:48:14 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-14 17:48:14 -0700 |
commit | 2ca7d674d7ab2220707b2ada0b690c0e7c95e7ac (patch) | |
tree | 9c0927ed1d540e5fd704c1f82689870786514655 /arch/arm/mach-bcmring/include/csp/tmrHw.h | |
parent | 2195d2818c37bdf263865f1e9effccdd9fc5f9d4 (diff) | |
parent | 87d721ad7a37b7650dd710c88dd5c6a5bf9fe996 (diff) |
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (257 commits)
[ARM] Update mach-types
ARM: 5636/1: Move vendor enum to AMBA include
ARM: Fix pfn_valid() for sparse memory
[ARM] orion5x: Add LaCie NAS 2Big Network support
[ARM] pxa/sharpsl_pm: zaurus c3000 aka spitz: fix resume
ARM: 5686/1: at91: Correct AC97 reset line in at91sam9263ek board
ARM: 5640/1: This patch modifies the support of AC97 on the at91sam9263 ek board
ARM: 5689/1: Update default config of HP Jornada 700-series machines
ARM: 5691/1: fix cache aliasing issues between kmap() and kmap_atomic() with highmem
ARM: 5688/1: ks8695_serial: disable_irq() lockup
ARM: 5687/1: fix an oops with highmem
ARM: 5684/1: Add nuc960 platform to w90x900
ARM: 5683/1: Add nuc950 platform to w90x900
ARM: 5682/1: Add cpu.c and dev.c and modify some files of w90p910 platform
ARM: 5626/1: add suspend/resume functions to amba-pl011 serial driver
ARM: 5625/1: fix hard coded 4K resource size in amba bus detection
MMC: MMCI: convert realview MMC to use gpiolib
ARM: 5685/1: Make MMCI driver compile without gpiolib
ARM: implement highpte
ARM: Show FIQ in /proc/interrupts on CONFIG_FIQ
...
Fix up trivial conflict in arch/arm/kernel/signal.c.
It was due to the TIF_NOTIFY_RESUME addition in commit d0420c83f ("KEYS:
Extend TIF_NOTIFY_RESUME to (almost) all architectures") and follow-ups.
Diffstat (limited to 'arch/arm/mach-bcmring/include/csp/tmrHw.h')
-rw-r--r-- | arch/arm/mach-bcmring/include/csp/tmrHw.h | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/arch/arm/mach-bcmring/include/csp/tmrHw.h b/arch/arm/mach-bcmring/include/csp/tmrHw.h new file mode 100644 index 00000000000..f1236d00cb9 --- /dev/null +++ b/arch/arm/mach-bcmring/include/csp/tmrHw.h @@ -0,0 +1,263 @@ +/***************************************************************************** +* Copyright 2004 - 2008 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +/****************************************************************************/ +/** +* @file tmrHw.h +* +* @brief API definitions for low level Timer driver +* +*/ +/****************************************************************************/ +#ifndef _TMRHW_H +#define _TMRHW_H + +#include <csp/stdint.h> + +typedef uint32_t tmrHw_ID_t; /* Timer ID */ +typedef uint32_t tmrHw_COUNT_t; /* Timer count */ +typedef uint32_t tmrHw_INTERVAL_t; /* Timer interval */ +typedef uint32_t tmrHw_RATE_t; /* Timer event (count/interrupt) rate */ + +typedef enum { + tmrHw_INTERRUPT_STATUS_SET, /* Interrupted */ + tmrHw_INTERRUPT_STATUS_UNSET /* No Interrupt */ +} tmrHw_INTERRUPT_STATUS_e; + +typedef enum { + tmrHw_CAPABILITY_CLOCK, /* Clock speed in HHz */ + tmrHw_CAPABILITY_RESOLUTION /* Timer resolution in bits */ +} tmrHw_CAPABILITY_e; + +/****************************************************************************/ +/** +* @brief Get timer capability +* +* This function returns various capabilities/attributes of a timer +* +* @return Numeric capability +* +*/ +/****************************************************************************/ +uint32_t tmrHw_getTimerCapability(tmrHw_ID_t timerId, /* [ IN ] Timer Id */ + tmrHw_CAPABILITY_e capability /* [ IN ] Timer capability */ +); + +/****************************************************************************/ +/** +* @brief Configures a periodic timer in terms of timer interrupt rate +* +* This function initializes a periodic timer to generate specific number of +* timer interrupt per second +* +* @return On success: Effective timer frequency +* On failure: 0 +* +*/ +/****************************************************************************/ +tmrHw_RATE_t tmrHw_setPeriodicTimerRate(tmrHw_ID_t timerId, /* [ IN ] Timer Id */ + tmrHw_RATE_t rate /* [ IN ] Number of timer interrupt per second */ +); + +/****************************************************************************/ +/** +* @brief Configures a periodic timer to generate timer interrupt after +* certain time interval +* +* This function initializes a periodic timer to generate timer interrupt +* after every time interval in milisecond +* +* @return On success: Effective interval set in mili-second +* On failure: 0 +* +*/ +/****************************************************************************/ +tmrHw_INTERVAL_t tmrHw_setPeriodicTimerInterval(tmrHw_ID_t timerId, /* [ IN ] Timer Id */ + tmrHw_INTERVAL_t msec /* [ IN ] Interval in mili-second */ +); + +/****************************************************************************/ +/** +* @brief Configures a periodic timer to generate timer interrupt just once +* after certain time interval +* +* This function initializes a periodic timer to generate a single ticks after +* certain time interval in milisecond +* +* @return On success: Effective interval set in mili-second +* On failure: 0 +* +*/ +/****************************************************************************/ +tmrHw_INTERVAL_t tmrHw_setOneshotTimerInterval(tmrHw_ID_t timerId, /* [ IN ] Timer Id */ + tmrHw_INTERVAL_t msec /* [ IN ] Interval in mili-second */ +); + +/****************************************************************************/ +/** +* @brief Configures a timer to run as a free running timer +* +* This function initializes a timer to run as a free running timer +* +* @return Timer resolution (count / sec) +* +*/ +/****************************************************************************/ +tmrHw_RATE_t tmrHw_setFreeRunningTimer(tmrHw_ID_t timerId, /* [ IN ] Timer Id */ + uint32_t divider /* [ IN ] Dividing the clock frequency */ +) __attribute__ ((section(".aramtext"))); + +/****************************************************************************/ +/** +* @brief Starts a timer +* +* This function starts a preconfigured timer +* +* @return -1 - On Failure +* 0 - On Success +*/ +/****************************************************************************/ +int tmrHw_startTimer(tmrHw_ID_t timerId /* [ IN ] Timer id */ +) __attribute__ ((section(".aramtext"))); + +/****************************************************************************/ +/** +* @brief Stops a timer +* +* This function stops a running timer +* +* @return -1 - On Failure +* 0 - On Success +*/ +/****************************************************************************/ +int tmrHw_stopTimer(tmrHw_ID_t timerId /* [ IN ] Timer id */ +); + +/****************************************************************************/ +/** +* @brief Gets current timer count +* +* This function returns the current timer value +* +* @return Current downcounting timer value +* +*/ +/****************************************************************************/ +tmrHw_COUNT_t tmrHw_GetCurrentCount(tmrHw_ID_t timerId /* [ IN ] Timer id */ +) __attribute__ ((section(".aramtext"))); + +/****************************************************************************/ +/** +* @brief Gets timer count rate +* +* This function returns the number of counts per second +* +* @return Count rate +* +*/ +/****************************************************************************/ +tmrHw_RATE_t tmrHw_getCountRate(tmrHw_ID_t timerId /* [ IN ] Timer id */ +) __attribute__ ((section(".aramtext"))); + +/****************************************************************************/ +/** +* @brief Enables timer interrupt +* +* This function enables the timer interrupt +* +* @return N/A +* +*/ +/****************************************************************************/ +void tmrHw_enableInterrupt(tmrHw_ID_t timerId /* [ IN ] Timer id */ +); + +/****************************************************************************/ +/** +* @brief Disables timer interrupt +* +* This function disable the timer interrupt +* +* @return N/A +*/ +/****************************************************************************/ +void tmrHw_disableInterrupt(tmrHw_ID_t timerId /* [ IN ] Timer id */ +); + +/****************************************************************************/ +/** +* @brief Clears the interrupt +* +* This function clears the timer interrupt +* +* @return N/A +* +* @note +* Must be called under the context of ISR +*/ +/****************************************************************************/ +void tmrHw_clearInterrupt(tmrHw_ID_t timerId /* [ IN ] Timer id */ +); + +/****************************************************************************/ +/** +* @brief Gets the interrupt status +* +* This function returns timer interrupt status +* +* @return Interrupt status +*/ +/****************************************************************************/ +tmrHw_INTERRUPT_STATUS_e tmrHw_getInterruptStatus(tmrHw_ID_t timerId /* [ IN ] Timer id */ +); + +/****************************************************************************/ +/** +* @brief Indentifies a timer causing interrupt +* +* This functions returns a timer causing interrupt +* +* @return 0xFFFFFFFF : No timer causing an interrupt +* ! 0xFFFFFFFF : timer causing an interrupt +* @note +* tmrHw_clearIntrrupt() must be called with a valid timer id after calling this function +*/ +/****************************************************************************/ +tmrHw_ID_t tmrHw_getInterruptSource(void); + +/****************************************************************************/ +/** +* @brief Displays specific timer registers +* +* +* @return void +* +*/ +/****************************************************************************/ +void tmrHw_printDebugInfo(tmrHw_ID_t timerId, /* [ IN ] Timer id */ + int (*fpPrint) (const char *, ...) /* [ IN ] Print callback function */ +); + +/****************************************************************************/ +/** +* @brief Use a timer to perform a busy wait delay for a number of usecs. +* +* @return N/A +*/ +/****************************************************************************/ +void tmrHw_udelay(tmrHw_ID_t timerId, /* [ IN ] Timer id */ + unsigned long usecs /* [ IN ] usec to delay */ +) __attribute__ ((section(".aramtext"))); + +#endif /* _TMRHW_H */ |