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Diffstat (limited to 'drivers/staging/media/atomisp/i2c/imx/dw9718.h')
-rw-r--r--drivers/staging/media/atomisp/i2c/imx/dw9718.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/i2c/imx/dw9718.h b/drivers/staging/media/atomisp/i2c/imx/dw9718.h
new file mode 100644
index 0000000..4a1040c
--- /dev/null
+++ b/drivers/staging/media/atomisp/i2c/imx/dw9718.h
@@ -0,0 +1,64 @@
+/*
+ * 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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