59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
/*
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* Support for dw9719 vcm driver.
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*
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* Copyright (c) 2012 Intel Corporation. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version
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* 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*
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*/
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#ifndef __DW9719_H__
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#define __DW9719_H__
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#include <linux/atomisp_platform.h>
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#include <linux/types.h>
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#define DW9719_VCM_ADDR (0x18 >> 1)
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/* dw9719 device structure */
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struct dw9719_device {
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struct timespec timestamp_t_focus_abs;
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s16 number_of_steps;
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bool initialized; /* true if dw9719 is detected */
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s32 focus; /* Current focus value */
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struct timespec focus_time; /* Time when focus was last time set */
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__u8 buffer[4]; /* Used for i2c transactions */
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const struct camera_af_platform_data *platform_data;
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};
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#define DW9719_INVALID_CONFIG 0xffffffff
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#define DW9719_MAX_FOCUS_POS 1023
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#define DELAY_PER_STEP_NS 1000000
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#define DELAY_MAX_PER_STEP_NS (1000000 * 1023)
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#define DW9719_INFO 0
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#define DW9719_ID 0xF1
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#define DW9719_CONTROL 2
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#define DW9719_VCM_CURRENT 3
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#define DW9719_MODE 6
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#define DW9719_VCM_FREQ 7
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#define DW9719_MODE_SAC3 0x40
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#define DW9719_DEFAULT_VCM_FREQ 0x04
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#define DW9719_ENABLE_RINGING 0x02
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#endif
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