diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/runtime/eventq/interface/ia_css_eventq.h')
-rw-r--r-- | drivers/staging/media/atomisp/pci/runtime/eventq/interface/ia_css_eventq.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/runtime/eventq/interface/ia_css_eventq.h b/drivers/staging/media/atomisp/pci/runtime/eventq/interface/ia_css_eventq.h new file mode 100644 index 000000000000..8602398ede52 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/runtime/eventq/interface/ia_css_eventq.h @@ -0,0 +1,53 @@ +/* + * Support for Intel Camera Imaging ISP subsystem. + * Copyright (c) 2010 - 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 _IA_CSS_EVENTQ_H +#define _IA_CSS_EVENTQ_H + +#include "ia_css_queue.h" /* queue APIs */ + +/** + * @brief HOST receives event from SP. + * + * @param[in] eventq_handle eventq_handle. + * @param[in] payload The event payload. + * @return 0 - Successfully dequeue. + * @return EINVAL - Invalid argument. + * @return ENODATA - Queue is empty. + */ +int ia_css_eventq_recv( + ia_css_queue_t *eventq_handle, + uint8_t *payload); + +/** + * @brief The Host sends the event to SP. + * The caller of this API will be blocked until the event + * is sent. + * + * @param[in] eventq_handle eventq_handle. + * @param[in] evt_id The event ID. + * @param[in] evt_payload_0 The event payload. + * @param[in] evt_payload_1 The event payload. + * @param[in] evt_payload_2 The event payload. + * @return 0 - Successfully enqueue. + * @return EINVAL - Invalid argument. + * @return ENOBUFS - Queue is full. + */ +int ia_css_eventq_send( + ia_css_queue_t *eventq_handle, + u8 evt_id, + u8 evt_payload_0, + u8 evt_payload_1, + uint8_t evt_payload_2); +#endif /* _IA_CSS_EVENTQ_H */ |