diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/event_fifo_private.h')
-rw-r--r-- | drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/event_fifo_private.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/event_fifo_private.h b/drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/event_fifo_private.h new file mode 100644 index 000000000000..9d3a29696094 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/event_fifo_private.h @@ -0,0 +1,75 @@ +/* + * Support for Intel Camera Imaging ISP subsystem. + * Copyright (c) 2015, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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. + */ + +#ifndef __EVENT_FIFO_PRIVATE_H +#define __EVENT_FIFO_PRIVATE_H + +#include "event_fifo_public.h" + +#include "device_access.h" + +#include "assert_support.h" + +#include <hrt/bits.h> /* _hrt_get_bits() */ + +STORAGE_CLASS_EVENT_C void event_wait_for(const event_ID_t ID) +{ + assert(ID < N_EVENT_ID); + assert(event_source_addr[ID] != ((hrt_address)-1)); + (void)ia_css_device_load_uint32(event_source_addr[ID]); +return; +} + +STORAGE_CLASS_EVENT_C void cnd_event_wait_for(const event_ID_t ID, + const bool cnd) +{ + if (cnd) { + event_wait_for(ID); + } +} + +STORAGE_CLASS_EVENT_C hrt_data event_receive_token(const event_ID_t ID) +{ + assert(ID < N_EVENT_ID); + assert(event_source_addr[ID] != ((hrt_address)-1)); + return ia_css_device_load_uint32(event_source_addr[ID]); +} + +STORAGE_CLASS_EVENT_C void event_send_token(const event_ID_t ID, + const hrt_data token) +{ + assert(ID < N_EVENT_ID); + assert(event_sink_addr[ID] != ((hrt_address)-1)); + ia_css_device_store_uint32(event_sink_addr[ID], token); +} + +STORAGE_CLASS_EVENT_C bool is_event_pending(const event_ID_t ID) +{ + hrt_data value; + assert(ID < N_EVENT_ID); + assert(event_source_query_addr[ID] != ((hrt_address)-1)); + value = ia_css_device_load_uint32(event_source_query_addr[ID]); + return !_hrt_get_bit(value, EVENT_QUERY_BIT); +} + +STORAGE_CLASS_EVENT_C bool can_event_send_token(const event_ID_t ID) +{ + hrt_data value; + assert(ID < N_EVENT_ID); + assert(event_sink_query_addr[ID] != ((hrt_address)-1)); + value = ia_css_device_load_uint32(event_sink_query_addr[ID]); + return !_hrt_get_bit(value, EVENT_QUERY_BIT); +} + +#endif /* __EVENT_FIFO_PRIVATE_H */ |