1 files changed, 74 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_firmware.h b/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_firmware.h
new file mode 100644
index 0000000..06d375a
--- /dev/null
+++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_firmware.h
@@ -0,0 +1,74 @@
+/*
+ * 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_FIRMWARE_H
+#define __IA_CSS_FIRMWARE_H
+
+/** @file
+ * This file contains firmware loading/unloading support functionality
+ */
+
+#include "ia_css_err.h"
+#include "ia_css_env.h"
+
+/** CSS firmware package structure.
+ */
+struct ia_css_fw {
+	void	    *data;  /**< pointer to the firmware data */
+	unsigned int bytes; /**< length in bytes of firmware data */
+};
+
+/** @brief Loads the firmware
+ * @param[in]	env		Environment, provides functions to access the
+ *				environment in which the CSS code runs. This is
+ *				used for host side memory access and message
+ *				printing.
+ * @param[in]	fw		Firmware package containing the firmware for all
+ *				predefined ISP binaries.
+ * @return			Returns IA_CSS_ERR_INTERNAL_ERROR in case of any
+ *				errors and IA_CSS_SUCCESS otherwise.
+ *
+ * This function interprets the firmware package. All
+ * contents of this firmware package are copied into local data structures, so
+ * the fw pointer could be freed after this function completes.
+ *
+ * Rationale for this function is that it can be called before ia_css_init, and thus
+ * speeds up ia_css_init (ia_css_init is called each time a stream is created but the
+ * firmware only needs to be loaded once).
+ */
+enum ia_css_err
+ia_css_load_firmware(const struct ia_css_env *env,
+	    const struct ia_css_fw  *fw);
+
+/** @brief Unloads the firmware
+ * @return	None
+ *
+ * This function unloads the firmware loaded by ia_css_load_firmware.
+ * It is pointless to call this function if no firmware is loaded,
+ * but it won't harm. Use this to deallocate all memory associated with the firmware.
+ */
+void
+ia_css_unload_firmware(void);
+
+/** @brief Checks firmware version
+ * @param[in]	fw	Firmware package containing the firmware for all
+ *			predefined ISP binaries.
+ * @return		Returns true when the firmware version matches with the CSS
+ *			host code version and returns false otherwise.
+ * This function checks if the firmware package version matches with the CSS host code version.
+ */
+bool
+ia_css_check_firmware_version(const struct ia_css_fw  *fw);
+
+#endif /* __IA_CSS_FIRMWARE_H */