[mirror_ubuntu-bionic-kernel.git] / drivers / staging / media / atomisp / i2c / imx / dw9718.h

/*
 * 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__ */
Commit	Line	Data
a49d2536 AC	1	/*
	2	* Support for dw9719 vcm driver.
	3	*
	4	* Copyright (c) 2014 Intel Corporation. All Rights Reserved.
	5	*
	6	* This program is free software; you can redistribute it and/or
	7	* modify it under the terms of the GNU General Public License version
	8	* 2 as published by the Free Software Foundation.
	9	*
	10	* This program is distributed in the hope that it will be useful,
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	* GNU General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License
	16	* along with this program; if not, write to the Free Software
	17	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
	18	* 02110-1301, USA.
	19	*
	20	*/
	21
	22	#ifndef __DW9718_H__
	23	#define __DW9718_H__
	24
25016567	25	#include "../../include/linux/atomisp_platform.h"
a49d2536 AC	26	#include <linux/types.h>
	27
	28	#define DW9718_VCM_ADDR (0x18 >> 1)
	29
	30	/* dw9718 device structure */
	31	struct dw9718_device {
	32	struct timespec timestamp_t_focus_abs;
	33	s16 number_of_steps;
	34	bool initialized; /* true if dw9718 is detected */
	35	s32 focus; /* Current focus value */
	36	struct timespec focus_time; /* Time when focus was last time set */
	37	__u8 buffer[4]; /* Used for i2c transactions */
	38	const struct camera_af_platform_data *platform_data;
	39	__u8 power_on;
	40	};
	41
	42	#define DW9718_MAX_FOCUS_POS 1023
	43
	44	/* Register addresses */
	45	#define DW9718_PD 0x00
	46	#define DW9718_CONTROL 0x01
	47	#define DW9718_DATA_M 0x02
	48	#define DW9718_DATA_L 0x03
	49	#define DW9718_SW 0x04
	50	#define DW9718_SACT 0x05
	51	#define DW9718_FLAG 0x10
	52
	53	#define DW9718_CONTROL_SW_LINEAR BIT(0)
	54	#define DW9718_CONTROL_S_SAC4 (BIT(1) \| BIT(3))
	55	#define DW9718_CONTROL_OCP_DISABLE BIT(4)
	56	#define DW9718_CONTROL_UVLO_DISABLE BIT(5)
	57
	58	#define DW9718_SACT_MULT_TWO 0x00
	59	#define DW9718_SACT_PERIOD_8_8MS 0x19
	60	#define DW9718_SACT_DEFAULT_VAL 0x60
	61
	62	#define DW9718_DEFAULT_FOCUS_POSITION 300
	63
	64	#endif /* __DW9718_H__ */