diff options
Diffstat (limited to 'drivers/staging/nmf-cm/cm/engine/api/control/irq_engine.h')
| -rw-r--r-- | drivers/staging/nmf-cm/cm/engine/api/control/irq_engine.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/drivers/staging/nmf-cm/cm/engine/api/control/irq_engine.h b/drivers/staging/nmf-cm/cm/engine/api/control/irq_engine.h new file mode 100644 index 00000000000..e3974764e91 --- /dev/null +++ b/drivers/staging/nmf-cm/cm/engine/api/control/irq_engine.h @@ -0,0 +1,120 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * Author: Jean-Philippe FASSINO <jean-philippe.fassino@stericsson.com> for ST-Ericsson. + * License terms: GNU General Public License (GPL) version 2. + */ +/*! + * \brief NMF API for interrupt handler. + * + * This file contains the Component Manager API for interrupt handler. + */ +#ifndef CONTROL_IRQ_ENGINE_H +#define CONTROL_IRQ_ENGINE_H + +#include <share/inc/nmf.h> +#include <cm/inc/cm_type.h> +#include <nmf/inc/service_type.h> +#include <ee/api/trace.idt> + +/*! + * \brief MPCs -> HOST communication handler + * + * This routine shall be integrated as interrupt handler into the OS + * + * If the given Media Processor Core has been configured (through CM_ConfigureMediaProcessorCore()) as using \ref LOCAL_SEMAPHORES, then + * the NMF communication mechanism will use the embedded MMDSP macrocell semaphore, + * so CM_ProcessMpcEvent(<\e coreId>) shall be called under ISR connected to local MMDSP IRQ0, with the related \e coreId as parameter. + * + * If the given Media Processor Core has been configured (through CM_ConfigureMediaProcessorCore()) as using \ref SYSTEM_SEMAPHORES, then + * the NMF communication mechanism will use the shared system HW Semaphores, + * so CM_ProcessMpcEvent(\ref ARM_CORE_ID) shall be called under ISR connected to shared HW Sem Host IRQ, with \ref ARM_CORE_ID as parameter. + * + * NB: A Media Processor Core belonging to the distribution pool shall be configured with \ref SYSTEM_SEMAPHORES + * + * \see t_nmf_semaphore_type_id description + * + * \param[in] coreId identification of the source of the interrupt + * + * \ingroup CM_ENGINE_CONTROL_API + */ +PUBLIC IMPORT_SHARED void CM_ProcessMpcEvent(t_nmf_core_id coreId); + +/*! + * \brief Service type + * + * \note We used an enumeration in structure since this description remain inside the kernel + * and we assume that everything in the kernel is compile with same compiler and option. + * + * \ingroup CM_ENGINE_CONTROL_API + */ +typedef enum { // Allowed since i + CM_MPC_SERVICE_NONE = 0, //!< No service found + CM_MPC_SERVICE_PANIC = 1, //!< Panic service found + CM_MPC_SERVICE_PRINT = 2, //!< Print service found + CM_MPC_SERVICE_TRACE = 3 //!< Trace service found +} t_cm_service_type; + //!< Service description type +/*! + * \brief Service description data + * + * + * \ingroup CM_ENGINE_CONTROL_API + */ +typedef struct { + union { + t_nmf_panic_data panic; //!< Panic description + struct { + t_uint32 dspAddress; + t_uint32 value1; + t_uint32 value2; + } print; //!< Printf like description + } u; //!< Union of service description +} t_cm_service_description; + +/*! + * \brief MPC Panic handler + * + * This routine shall be called as interrupt handler into the OS. + * + * So CM_getPanicDescription shall be called under ISR connected to local MMDSP IRQ1, with the related \e coreId as parameter. + * + * \param[in] coreId identification of the source of the interrupt + * \param[out] srcType Pointer on service type + * \param[out] srcDescr Pointer on service description + * + * \ingroup CM_ENGINE_CONTROL_API + */ +PUBLIC IMPORT_SHARED t_cm_error CM_getServiceDescription( + t_nmf_core_id coreId, + t_cm_service_type *srcType, + t_cm_service_description *srcDescr); + +/*! + * \brief Read a null terminated string inside an MPC + * + * This routine could be used to read the MPC string give as parameter during an CM_NMF_SERVICE_PRINT + * + * \param[in] coreId Identification of the code where read string + * \param[in] dspAddress Address of the string in the MPC + * \param[out] buffer Buffer pointer where returning null terminated string + * \param[in] bufferSize Buffer size + * + * \ingroup CM_ENGINE_CONTROL_API + */ +PUBLIC IMPORT_SHARED t_cm_error CM_ReadMPCString( + t_nmf_core_id coreId, + t_uint32 dspAddress, + char * buffer, + t_uint32 bufferSize); + +typedef enum { + CM_MPC_TRACE_NONE = 0, + CM_MPC_TRACE_READ = 1, + CM_MPC_TRACE_READ_OVERRUN = 2 +} t_cm_trace_type; + +PUBLIC IMPORT_SHARED t_cm_trace_type CM_ENGINE_GetNextTrace( + t_nmf_core_id coreId, + struct t_nmf_trace *trace); + +#endif /* CONTROL_IRQ_ENGINE_H */ |