diff options
Diffstat (limited to 'drivers/staging/media/atomisp/i2c/ov5693/ad5823.h')
-rw-r--r-- | drivers/staging/media/atomisp/i2c/ov5693/ad5823.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/i2c/ov5693/ad5823.h b/drivers/staging/media/atomisp/i2c/ov5693/ad5823.h new file mode 100644 index 000000000..f1362cd69 --- /dev/null +++ b/drivers/staging/media/atomisp/i2c/ov5693/ad5823.h @@ -0,0 +1,63 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Support for AD5823 VCM. + * + * Copyright (c) 2013 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. + * + * + */ + +#ifndef __AD5823_H__ +#define __AD5823_H__ + +#include <linux/types.h> + +#define AD5823_VCM_ADDR 0x0c + +#define AD5823_REG_RESET 0x01 +#define AD5823_REG_MODE 0x02 +#define AD5823_REG_VCM_MOVE_TIME 0x03 +#define AD5823_REG_VCM_CODE_MSB 0x04 +#define AD5823_REG_VCM_CODE_LSB 0x05 +#define AD5823_REG_VCM_THRESHOLD_MSB 0x06 +#define AD5823_REG_VCM_THRESHOLD_LSB 0x07 + +#define AD5823_REG_LENGTH 0x1 + +#define AD5823_RING_CTRL_ENABLE 0x04 +#define AD5823_RING_CTRL_DISABLE 0x00 + +#define AD5823_RESONANCE_PERIOD 100000 +#define AD5823_RESONANCE_COEF 512 +#define AD5823_HIGH_FREQ_RANGE 0x80 + +#define VCM_CODE_MSB_MASK 0xfc +#define AD5823_INIT_FOCUS_POS 350 + +enum ad5823_tok_type { + AD5823_8BIT = 0x1, + AD5823_16BIT = 0x2, +}; + +enum ad5823_vcm_mode { + AD5823_ARC_RES0 = 0x0, /* Actuator response control RES1 */ + AD5823_ARC_RES1 = 0x1, /* Actuator response control RES0.5 */ + AD5823_ARC_RES2 = 0x2, /* Actuator response control RES2 */ + AD5823_ESRC = 0x3, /* Enhanced slew rate control */ + AD5823_DIRECT = 0x4, /* Direct control */ +}; + +#define AD5823_INVALID_CONFIG 0xffffffff +#define AD5823_MAX_FOCUS_POS 1023 +#define DELAY_PER_STEP_NS 1000000 +#define DELAY_MAX_PER_STEP_NS (1000000 * 1023) +#endif |