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/*
* Support for dw9719 vcm driver.
*
* Copyright (c) 2012 Intel Corporation. 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 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*
*/
#ifndef __DW9719_H__
#define __DW9719_H__
#include "../../include/linux/atomisp_platform.h"
#include <linux/types.h>
#define DW9719_VCM_ADDR (0x18 >> 1)
/* dw9719 device structure */
struct dw9719_device {
struct timespec timestamp_t_focus_abs;
s16 number_of_steps;
bool initialized; /* true if dw9719 is detected */
s32 focus; /* Current focus value */
struct timespec focus_time; /* Time when focus was last time set */
__u8 buffer[4]; /* Used for i2c transactions */
const struct camera_af_platform_data *platform_data;
};
#define DW9719_INVALID_CONFIG 0xffffffff
#define DW9719_MAX_FOCUS_POS 1023
#define DELAY_PER_STEP_NS 1000000
#define DELAY_MAX_PER_STEP_NS (1000000 * 1023)
#define DW9719_INFO 0
#define DW9719_ID 0xF1
#define DW9719_CONTROL 2
#define DW9719_VCM_CURRENT 3
#define DW9719_MODE 6
#define DW9719_VCM_FREQ 7
#define DW9719_MODE_SAC3 0x40
#define DW9719_DEFAULT_VCM_FREQ 0x04
#define DW9719_ENABLE_RINGING 0x02
#endif
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