1 files changed, 102 insertions, 0 deletions
diff --git a/include/sound/audio_cal_utils.h b/include/sound/audio_cal_utils.h
new file mode 100644
index 000000000000..b28b3bdf4e83
--- /dev/null
+++ b/include/sound/audio_cal_utils.h
@@ -0,0 +1,102 @@
+/* Copyright (c) 2014, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that 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 _AUDIO_CAL_UTILS_H
+#define _AUDIO_CAL_UTILS_H
+
+#include <linux/msm_ion.h>
+#include <linux/msm_audio_ion.h>
+#include <linux/msm_audio_calibration.h>
+#include "audio_calibration.h"
+
+struct cal_data {
+	size_t		size;
+	void		*kvaddr;
+	phys_addr_t	paddr;
+};
+
+struct mem_map_data {
+	size_t			map_size;
+	int32_t			q6map_handle;
+	int32_t			ion_map_handle;
+	struct ion_client	*ion_client;
+	struct ion_handle	*ion_handle;
+};
+
+struct cal_block_data {
+	size_t			client_info_size;
+	void			*client_info;
+	void			*cal_info;
+	struct list_head	list;
+	struct cal_data		cal_data;
+	struct mem_map_data	map_data;
+	int32_t			buffer_number;
+};
+
+struct cal_util_callbacks {
+	int (*map_cal)
+		(int32_t cal_type, struct cal_block_data *cal_block);
+	int (*unmap_cal)
+		(int32_t cal_type, struct cal_block_data *cal_block);
+	bool (*match_block)
+		(struct cal_block_data *cal_block, void *user_data);
+};
+
+struct cal_type_info {
+	struct audio_cal_reg		reg;
+	struct cal_util_callbacks	cal_util_callbacks;
+};
+
+struct cal_type_data {
+	struct cal_type_info		info;
+	struct mutex			lock;
+	struct list_head		cal_blocks;
+};
+
+
+/* to register & degregister with cal util driver */
+int cal_utils_create_cal_types(int num_cal_types,
+			struct cal_type_data **cal_type,
+			struct cal_type_info *info);
+void cal_utils_destroy_cal_types(int num_cal_types,
+			struct cal_type_data **cal_type);
+
+/* common functions for callbacks */
+int cal_utils_alloc_cal(size_t data_size, void *data,
+			struct cal_type_data *cal_type,
+			size_t client_info_size, void *client_info);
+int cal_utils_dealloc_cal(size_t data_size, void *data,
+			struct cal_type_data *cal_type);
+int cal_utils_set_cal(size_t data_size, void *data,
+			struct cal_type_data *cal_type,
+			size_t client_info_size, void *client_info);
+
+/* use for SSR */
+void cal_utils_clear_cal_block_q6maps(int num_cal_types,
+					struct cal_type_data **cal_type);
+
+
+/* common matching functions used to add blocks */
+bool cal_utils_match_buf_num(struct cal_block_data *cal_block,
+					void *user_data);
+
+/* common matching functions to find cal blocks */
+struct cal_block_data *cal_utils_get_only_cal_block(
+			struct cal_type_data *cal_type);
+
+/* Size of calibration specific data */
+size_t get_cal_info_size(int32_t cal_type);
+size_t get_user_cal_type_size(int32_t cal_type);
+
+/* Version of the cal type*/
+int32_t cal_utils_get_cal_type_version(void *cal_type_data);
+#endif