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/* 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
* GNU General Public License for more details.
#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);