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/*
* Support for dw9719 vcm driver.
*
* Copyright (c) 2014 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 __DW9718_H__
#define __DW9718_H__
#include "../../include/linux/atomisp_platform.h"
#include <linux/types.h>
#define DW9718_VCM_ADDR (0x18 >> 1)
/* dw9718 device structure */
struct dw9718_device {
struct timespec timestamp_t_focus_abs;
s16 number_of_steps;
bool initialized; /* true if dw9718 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;
__u8 power_on;
};
#define DW9718_MAX_FOCUS_POS 1023
/* Register addresses */
#define DW9718_PD 0x00
#define DW9718_CONTROL 0x01
#define DW9718_DATA_M 0x02
#define DW9718_DATA_L 0x03
#define DW9718_SW 0x04
#define DW9718_SACT 0x05
#define DW9718_FLAG 0x10
#define DW9718_CONTROL_SW_LINEAR BIT(0)
#define DW9718_CONTROL_S_SAC4 (BIT(1) | BIT(3))
#define DW9718_CONTROL_OCP_DISABLE BIT(4)
#define DW9718_CONTROL_UVLO_DISABLE BIT(5)
#define DW9718_SACT_MULT_TWO 0x00
#define DW9718_SACT_PERIOD_8_8MS 0x19
#define DW9718_SACT_DEFAULT_VAL 0x60
#define DW9718_DEFAULT_FOCUS_POSITION 300
#endif /* __DW9718_H__ */
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