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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.h75
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 0000000..9d3a296
--- /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 */
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