1 files changed, 84 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_buffer.h b/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_buffer.h
new file mode 100644
index 0000000..b2ecf36
--- /dev/null
+++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_buffer.h
@@ -0,0 +1,84 @@
+/*
+ * 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 __IA_CSS_BUFFER_H
+#define __IA_CSS_BUFFER_H
+
+/** @file
+ * This file contains datastructures and types for buffers used in CSS
+ */
+
+#include <type_support.h>
+#include "ia_css_types.h"
+#include "ia_css_timer.h"
+
+/** Enumeration of buffer types. Buffers can be queued and de-queued
+ *  to hand them over between IA and ISP.
+ */
+enum ia_css_buffer_type {
+	IA_CSS_BUFFER_TYPE_INVALID = -1,
+	IA_CSS_BUFFER_TYPE_3A_STATISTICS = 0,
+	IA_CSS_BUFFER_TYPE_DIS_STATISTICS,
+	IA_CSS_BUFFER_TYPE_LACE_STATISTICS,
+	IA_CSS_BUFFER_TYPE_INPUT_FRAME,
+	IA_CSS_BUFFER_TYPE_OUTPUT_FRAME,
+	IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME,
+	IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME,
+	IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME,
+	IA_CSS_BUFFER_TYPE_RAW_OUTPUT_FRAME,
+	IA_CSS_BUFFER_TYPE_CUSTOM_INPUT,
+	IA_CSS_BUFFER_TYPE_CUSTOM_OUTPUT,
+	IA_CSS_BUFFER_TYPE_METADATA,
+	IA_CSS_BUFFER_TYPE_PARAMETER_SET,
+	IA_CSS_BUFFER_TYPE_PER_FRAME_PARAMETER_SET,
+	IA_CSS_NUM_DYNAMIC_BUFFER_TYPE,
+	IA_CSS_NUM_BUFFER_TYPE
+};
+
+/* Driver API is not SP/ISP visible, 64 bit types not supported on hivecc */
+#if !defined(__ISP)
+/** Buffer structure. This is a container structure that enables content
+ *  independent buffer queues and access functions.
+ */
+struct ia_css_buffer {
+	enum ia_css_buffer_type type; /**< Buffer type. */
+	unsigned int exp_id;
+	/**< exposure id for this buffer; 0 = not available
+	     see ia_css_event_public.h for more detail. */
+	union {
+		struct ia_css_isp_3a_statistics  *stats_3a;    /**< 3A statistics & optionally RGBY statistics. */
+		struct ia_css_isp_dvs_statistics *stats_dvs;   /**< DVS statistics. */
+		struct ia_css_isp_skc_dvs_statistics *stats_skc_dvs;  /**< SKC DVS statistics. */
+		struct ia_css_frame              *frame;       /**< Frame buffer. */
+		struct ia_css_acc_param          *custom_data; /**< Custom buffer. */
+		struct ia_css_metadata           *metadata;    /**< Sensor metadata. */
+	} data; /**< Buffer data pointer. */
+	uint64_t driver_cookie; /**< cookie for the driver */
+	struct ia_css_time_meas timing_data; /**< timing data (readings from the timer) */
+	struct ia_css_clock_tick isys_eof_clock_tick; /**< ISYS's end of frame timer tick*/
+};
+
+/** @brief Dequeue param buffers from sp2host_queue
+ *
+ * @return                                       None
+ *
+ * This function must be called at every driver interrupt handler to prevent
+ * overflow of sp2host_queue.
+ */
+void
+ia_css_dequeue_param_buffers(void);
+
+#endif /* !__ISP */
+
+#endif /* __IA_CSS_BUFFER_H */