diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/bufq/interface/ia_css_bufq.h')
| -rw-r--r-- | drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/bufq/interface/ia_css_bufq.h | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/bufq/interface/ia_css_bufq.h b/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/bufq/interface/ia_css_bufq.h new file mode 100644 index 0000000..034ec15 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/bufq/interface/ia_css_bufq.h @@ -0,0 +1,197 @@ +#ifndef ISP2401 +/* + * 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. + */ +#else +/** +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. +*/ +#endif + +#ifndef _IA_CSS_BUFQ_H +#define _IA_CSS_BUFQ_H + +#include <type_support.h> +#include "ia_css_bufq_comm.h" +#include "ia_css_buffer.h" +#include "ia_css_err.h" +#define BUFQ_EVENT_SIZE 4 + + +/** + * @brief Query the internal frame ID. + * + * @param[in] key The query key. + * @param[out] val The query value. + * + * @return + * true, if the query succeeds; + * false, if the query fails. + */ +bool ia_css_query_internal_queue_id( + enum ia_css_buffer_type buf_type, + unsigned int thread_id, + enum sh_css_queue_id *val + ); + + +/** + * @brief Map buffer type to a internal queue id. + * + * @param[in] thread id Thread in which the buffer type has to be mapped or unmapped + * @param[in] buf_type buffer type. + * @param[in] map boolean flag to specify map or unmap + * @return none + */ +void ia_css_queue_map( + unsigned int thread_id, + enum ia_css_buffer_type buf_type, + bool map + ); + + +/** + * @brief Initilize buffer type to a queue id mapping + * @return none + */ +void ia_css_queue_map_init(void); + + +/** + * @brief initializes bufq module + * It create instances of + * -host to SP buffer queue which is a list with predefined size, + * MxN queues where M is the number threads and N is the number queues per thread + *-SP to host buffer queue , is a list with N queues + *-host to SP event communication queue + * -SP to host event communication queue + * -queue for tagger commands + * @return none + */ +void ia_css_bufq_init(void); + + +/** +* @brief Enqueues an item into host to SP buffer queue + * + * @param thread_index[in] Thread in which the item to be enqueued + * + * @param queue_id[in] Index of the queue in the specified thread + * @param item[in] Object to enqueue. + * @return IA_CSS_SUCCESS or error code upon error. + * +*/ +enum ia_css_err ia_css_bufq_enqueue_buffer( + int thread_index, + int queue_id, + uint32_t item); + +/** +* @brief Dequeues an item from SP to host buffer queue. + * + * @param queue_id[in] Specifies the index of the queue in the list where + * the item has to be read. + * @paramitem [out] Object to be dequeued into this item. + * @return IA_CSS_SUCCESS or error code upon error. + * +*/ +enum ia_css_err ia_css_bufq_dequeue_buffer( + int queue_id, + uint32_t *item); + +/** +* @brief Enqueue an event item into host to SP communication event queue. + * + * @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 IA_CSS_SUCCESS or error code upon error. + * +*/ +enum ia_css_err ia_css_bufq_enqueue_psys_event( + uint8_t evt_id, + uint8_t evt_payload_0, + uint8_t evt_payload_1, + uint8_t evt_payload_2 + ); + +/** + * @brief Dequeue an item from SP to host communication event queue. + * + * @param item Object to be dequeued into this item. + * @return IA_CSS_SUCCESS or error code upon error. + * +*/ +enum ia_css_err ia_css_bufq_dequeue_psys_event( + uint8_t item[BUFQ_EVENT_SIZE] + ); + +/** + * @brief Enqueue an event item into host to SP EOF event queue. + * + * @param[in] evt_id The event ID. + * @return IA_CSS_SUCCESS or error code upon error. + * + */ +enum ia_css_err ia_css_bufq_enqueue_isys_event( + uint8_t evt_id); + +/** +* @brief Dequeue an item from SP to host communication EOF event queue. + + * + * @param item Object to be dequeued into this item. + * @return IA_CSS_SUCCESS or error code upon error. + * + */ +enum ia_css_err ia_css_bufq_dequeue_isys_event( + uint8_t item[BUFQ_EVENT_SIZE]); + +/** +* @brief Enqueue a tagger command item into tagger command queue.. + * + * @param item Object to be enqueue. + * @return IA_CSS_SUCCESS or error code upon error. + * +*/ +enum ia_css_err ia_css_bufq_enqueue_tag_cmd( + uint32_t item); + +/** +* @brief Uninitializes bufq module. + * + * @return IA_CSS_SUCCESS or error code upon error. + * +*/ +enum ia_css_err ia_css_bufq_deinit(void); + +/** +* @brief Dump queue states + * + * @return None + * +*/ +void ia_css_bufq_dump_queue_info(void); + +#endif /* _IA_CSS_BUFQ_H */ |
