diff options
Diffstat (limited to 'drivers/staging/csr/csr_sched.h')
| -rw-r--r-- | drivers/staging/csr/csr_sched.h | 215 |
1 files changed, 4 insertions, 211 deletions
diff --git a/drivers/staging/csr/csr_sched.h b/drivers/staging/csr/csr_sched.h index cc1b8bf66079..c7d672c59f5b 100644 --- a/drivers/staging/csr/csr_sched.h +++ b/drivers/staging/csr/csr_sched.h @@ -12,10 +12,6 @@ #include <linux/types.h> #include "csr_time.h" -#ifdef __cplusplus -extern "C" { -#endif - /* An identifier issued by the scheduler. */ typedef u32 CsrSchedIdentifier; @@ -24,7 +20,6 @@ typedef u16 CsrSchedTaskId; /* A queue identifier */ typedef u16 CsrSchedQid; -#define CSR_SCHED_QID_INVALID ((CsrSchedQid) 0xFFFF) /* A message identifier */ typedef CsrSchedIdentifier CsrSchedMsgId; @@ -33,14 +28,11 @@ typedef CsrSchedIdentifier CsrSchedMsgId; typedef CsrSchedIdentifier CsrSchedTid; #define CSR_SCHED_TID_INVALID ((CsrSchedTid) 0) -/* Scheduler entry functions share this structure */ -typedef void (*schedEntryFunction_t)(void **inst); - /* Time constants. */ -#define CSR_SCHED_TIME_MAX ((CsrTime) 0xFFFFFFFF) -#define CSR_SCHED_MILLISECOND ((CsrTime) (1000)) -#define CSR_SCHED_SECOND ((CsrTime) (1000 * CSR_SCHED_MILLISECOND)) -#define CSR_SCHED_MINUTE ((CsrTime) (60 * CSR_SCHED_SECOND)) +#define CSR_SCHED_TIME_MAX (0xFFFFFFFF) +#define CSR_SCHED_MILLISECOND (1000) +#define CSR_SCHED_SECOND (1000 * CSR_SCHED_MILLISECOND) +#define CSR_SCHED_MINUTE (60 * CSR_SCHED_SECOND) /* Queue and primitive that identifies the environment */ #define CSR_SCHED_TASK_ID 0xFFFF @@ -53,60 +45,6 @@ typedef void (*schedEntryFunction_t)(void **inst); typedef u16 CsrSchedBgint; #define CSR_SCHED_BGINT_INVALID ((CsrSchedBgint) 0xFFFF) -typedef void (*CsrSchedBgintHandler)(void *); - -/*----------------------------------------------------------------------------* - * NAME - * CsrSchedBgintReg - * - * DESCRIPTION - * Register a background interrupt handler function with the scheduler. - * When CsrSchedBgint() is called from the foreground (e.g. an interrupt - * routine) the registered function is called. - * - * If "cb" is null then the interrupt is effectively disabled. If a - * no bgints are available, CSR_SCHED_BGINT_INVALID is returned, otherwise - * a CsrSchedBgint value is returned to be used in subsequent calls to - * CsrSchedBgint(). id is a possibly NULL identifier used for logging - * purposes only. - * - * RETURNS - * CsrSchedBgint -- CSR_SCHED_BGINT_INVALID denotes failure to obtain a CsrSchedBgintSet. - * - *----------------------------------------------------------------------------*/ -CsrSchedBgint CsrSchedBgintReg(CsrSchedBgintHandler cb, - void *context, - const char *id); - -/*----------------------------------------------------------------------------* - * NAME - * CsrSchedBgintUnreg - * - * DESCRIPTION - * Unregister a background interrupt handler function. - * - * ``irq'' is a background interrupt handle previously obtained - * from a call to CsrSchedBgintReg(). - * - * RETURNS - * void. - * - *----------------------------------------------------------------------------*/ -void CsrSchedBgintUnreg(CsrSchedBgint bgint); - -/*----------------------------------------------------------------------------* - * NAME - * CsrSchedBgintSet - * - * DESCRIPTION - * Set background interrupt. - * - * RETURNS - * void. - * - *----------------------------------------------------------------------------*/ -void CsrSchedBgintSet(CsrSchedBgint bgint); - /*----------------------------------------------------------------------------* * NAME * CsrSchedMessagePut @@ -144,149 +82,4 @@ void CsrSchedMessagePut(CsrSchedQid q, void *mv); #endif -/*----------------------------------------------------------------------------* - * NAME - * CsrSchedMessageBroadcast - * - * DESCRIPTION - * Sends a message to all tasks. - * - * The user must supply a "factory function" that is called once - * for every task that exists. The "factory function", msg_build_func, - * must allocate and initialise the message and set the msg_build_ptr - * to point to the message when done. - * - * NOTE - * N/A - * - * RETURNS - * void - * - *----------------------------------------------------------------------------*/ -#if defined(CSR_LOG_ENABLE) && defined(CSR_LOG_INCLUDE_FILE_NAME_AND_LINE_NUMBER) -void CsrSchedMessageBroadcastStringLog(u16 mi, - void *(*msg_build_func)(void *), - void *msg_build_ptr, - u32 line, - const char *file); -#define CsrSchedMessageBroadcast(mi, fn, ptr) CsrSchedMessageBroadcastStringLog((mi), (fn), (ptr), __LINE__, __FILE__) -#else -void CsrSchedMessageBroadcast(u16 mi, - void *(*msg_build_func)(void *), - void *msg_build_ptr); -#endif - -/*----------------------------------------------------------------------------* - * NAME - * CsrSchedMessageGet - * - * DESCRIPTION - * Obtains a message from the message queue belonging to the calling task. - * The message consists of one or both of a u16 and a void *. - * - * RETURNS - * u8 - TRUE if a message has been obtained from the queue, else FALSE. - * If a message is taken from the queue, then "*pmi" and "*pmv" are set to - * the "mi" and "mv" passed to CsrSchedMessagePut() respectively. - * - * "pmi" and "pmv" can be null, in which case the corresponding value from - * them message is discarded. - * - *----------------------------------------------------------------------------*/ -u8 CsrSchedMessageGet(u16 *pmi, void **pmv); - -/*----------------------------------------------------------------------------* - * NAME - * CsrSchedTimerSet - * - * DESCRIPTION - * Causes the void function "fn" to be called with the arguments - * "fniarg" and "fnvarg" after "delay" has elapsed. - * - * "delay" must be less than half the range of a CsrTime. - * - * CsrSchedTimerSet() does nothing with "fniarg" and "fnvarg" except - * deliver them via a call to "fn()". (Unless CsrSchedTimerCancel() - * is used to prevent delivery.) - * - * NOTE - * The function will be called at or after "delay"; the actual delay will - * depend on the timing behaviour of the scheduler's tasks. - * - * RETURNS - * CsrSchedTid - A timed event identifier, can be used in CsrSchedTimerCancel(). - * - *----------------------------------------------------------------------------*/ -#if defined(CSR_LOG_ENABLE) && defined(CSR_LOG_INCLUDE_FILE_NAME_AND_LINE_NUMBER) -CsrSchedTid CsrSchedTimerSetStringLog(CsrTime delay, - void (*fn)(u16 mi, void *mv), - u16 fniarg, - void *fnvarg, - u32 line, - const char *file); -#define CsrSchedTimerSet(d, fn, fni, fnv) CsrSchedTimerSetStringLog((d), (fn), (fni), (fnv), __LINE__, __FILE__) -#else -CsrSchedTid CsrSchedTimerSet(CsrTime delay, - void (*fn)(u16 mi, void *mv), - u16 fniarg, - void *fnvarg); -#endif - -/*----------------------------------------------------------------------------* - * NAME - * CsrSchedTimerCancel - * - * DESCRIPTION - * Attempts to prevent the timed event with identifier "eventid" from - * occurring. - * - * RETURNS - * u8 - TRUE if cancelled, FALSE if the event has already occurred. - * - *----------------------------------------------------------------------------*/ -#if defined(CSR_LOG_ENABLE) && defined(CSR_LOG_INCLUDE_FILE_NAME_AND_LINE_NUMBER) -u8 CsrSchedTimerCancelStringLog(CsrSchedTid eventid, - u16 *pmi, - void **pmv, - u32 line, - const char *file); -#define CsrSchedTimerCancel(e, pmi, pmv) CsrSchedTimerCancelStringLog((e), (pmi), (pmv), __LINE__, __FILE__) -#else -u8 CsrSchedTimerCancel(CsrSchedTid eventid, - u16 *pmi, - void **pmv); -#endif - -/*----------------------------------------------------------------------------* - * NAME - * CsrSchedTaskQueueGet - * - * DESCRIPTION - * Return the queue identifier for the currently running queue - * - * RETURNS - * CsrSchedQid - The current task queue identifier, or 0xFFFF if not available. - * - *----------------------------------------------------------------------------*/ -CsrSchedQid CsrSchedTaskQueueGet(void); - - -/*----------------------------------------------------------------------------* - * NAME - * CsrSchedTaskQueueGet - * - * DESCRIPTION - * Return the queue identifier for the currently running queue - * - * RETURNS - * char - The current task queue identifier, or 0xFFFF if not available. - * - *----------------------------------------------------------------------------*/ -char* CsrSchedTaskNameGet(CsrSchedQid ); - - -#ifdef __cplusplus -} -#endif - #endif |