diff options
Diffstat (limited to 'drivers/staging/media/atomisp/i2c/imx/dw9719.h')
-rw-r--r-- | drivers/staging/media/atomisp/i2c/imx/dw9719.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/i2c/imx/dw9719.h b/drivers/staging/media/atomisp/i2c/imx/dw9719.h new file mode 100644 index 000000000000..711f412aef2a --- /dev/null +++ b/drivers/staging/media/atomisp/i2c/imx/dw9719.h @@ -0,0 +1,58 @@ +/* + * 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 |