diff options
Diffstat (limited to 'drivers/staging/westbridge/astoria/include/linux/westbridge/cyasintr.h')
| -rw-r--r-- | drivers/staging/westbridge/astoria/include/linux/westbridge/cyasintr.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/drivers/staging/westbridge/astoria/include/linux/westbridge/cyasintr.h b/drivers/staging/westbridge/astoria/include/linux/westbridge/cyasintr.h new file mode 100644 index 0000000..3d7063e --- /dev/null +++ b/drivers/staging/westbridge/astoria/include/linux/westbridge/cyasintr.h @@ -0,0 +1,104 @@ +/* Cypress West Bridge API header file (cyasintr.h) +## =========================== +## Copyright (C) 2010 Cypress Semiconductor +## +## This program is free software; you can redistribute it and/or +## modify it under the terms of the GNU General Public License +## as published by the Free Software Foundation; either version 2 +## of the License, or (at your option) any later version. +## +## This program is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 51 Franklin Street +## Fifth Floor, Boston, MA 02110-1301, USA. +## =========================== +*/ + +#ifndef _INCLUDED_CYASINTR_H_ +#define _INCLUDED_CYASINTR_H_ + +#include "cyasdevice.h" + +#include "cyas_cplus_start.h" + +/* Summary + Initialize the interrupt manager module + + Description + This function is called to initialize the interrupt module. + This module enables interrupts as well as servies West Bridge + related interrupts by determining the source of the interrupt + and calling the appropriate handler function. + + Notes + If the dmaintr parameter is TRUE, the initialization code + initializes the interrupt mask to have the DMA related interrupt + enabled via the general purpose interrupt. However, the interrupt + service function assumes that the DMA interrupt is handled by the + HAL layer before the interrupt module handler function is called. + + Returns + * CY_AS_ERROR_SUCCESS - the interrupt module was initialized + * correctly + * CY_AS_ERROR_ALREADY_RUNNING - the interrupt module was already + * started + + See Also + * CyAsIntrStop + * CyAsServiceInterrupt +*/ +cy_as_return_status_t +cy_as_intr_start( + /* Device being initialized */ + cy_as_device *dev_p, + /* If true, enable the DMA interrupt through the INT signal */ + cy_bool dmaintr + ); + +/* Summary + Stop the interrupt manager module + + Description + This function stops the interrupt module and masks all interrupts + from the West Bridge device. + + Returns + * CY_AS_ERROR_SUCCESS - the interrupt module was stopped + * sucessfully + * CY_AS_ERROR_NOT_RUNNING - the interrupt module was not + * running + + See Also + * CyAsIntrStart + * CyAsServiceInterrupt +*/ +cy_as_return_status_t +cy_as_intr_stop( + /* Device bein stopped */ + cy_as_device *dev_p + ); + + +/* Summary + The interrupt service routine for West Bridge + + Description + When an interrupt is detected, this function is called to + service the West Bridge interrupt. It is safe and efficient + for this function to be called when no West Bridge interrupt + has occurred. This function will determine it is not an West + Bridge interrupt quickly and return. +*/ +void cy_as_intr_service_interrupt( + /* The USER supplied tag for this device */ + cy_as_hal_device_tag tag + ); + +#include "cyas_cplus_end.h" + +#endif /* _INCLUDED_CYASINTR_H_ */ |
