1 files changed, 63 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/i2c/imx/dw9714.h b/drivers/staging/media/atomisp/i2c/imx/dw9714.h
new file mode 100644
index 0000000..5a98a9c
--- /dev/null
+++ b/drivers/staging/media/atomisp/i2c/imx/dw9714.h
@@ -0,0 +1,63 @@
+#ifndef __DW9714_H__
+#define __DW9714_H__
+
+#include "../../include/linux/atomisp_platform.h"
+#include <linux/types.h>
+
+
+#define DW9714_VCM_ADDR	0x0c
+
+enum dw9714_tok_type {
+	DW9714_8BIT  = 0x0001,
+	DW9714_16BIT = 0x0002,
+};
+
+struct dw9714_vcm_settings {
+	u16 code;	/* bit[9:0]: Data[9:0] */
+	u8 t_src;	/* bit[4:0]: T_SRC[4:0] */
+	u8 step_setting;	/* bit[3:0]: S[3:0]/bit[5:4]: MCLK[1:0] */
+	bool update;
+};
+
+enum dw9714_vcm_mode {
+	DW9714_DIRECT = 0x1,	/* direct control */
+	DW9714_LSC = 0x2,	/* linear slope control */
+	DW9714_DLC = 0x3,	/* dual level control */
+};
+
+/* dw9714 device structure */
+struct dw9714_device {
+	struct dw9714_vcm_settings vcm_settings;
+	struct timespec timestamp_t_focus_abs;
+	enum dw9714_vcm_mode vcm_mode;
+	s16 number_of_steps;
+	bool initialized;		/* true if dw9714 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 DW9714_INVALID_CONFIG	0xffffffff
+#define DW9714_MAX_FOCUS_POS	1023
+#define DW9714_DEFAULT_FOCUS_POS	290
+
+
+/* MCLK[1:0] = 01 T_SRC[4:0] = 00001 S[3:0] = 0111 */
+#define DELAY_PER_STEP_NS	1000000
+#define DELAY_MAX_PER_STEP_NS	(1000000 * 1023)
+
+#define DLC_ENABLE 1
+#define DLC_DISABLE 0
+#define VCM_PROTECTION_OFF	0xeca3
+#define VCM_PROTECTION_ON	0xdc51
+#define VCM_DEFAULT_S 0x0
+
+#define vcm_step_s(a) (u8)(a & 0xf)
+#define vcm_step_mclk(a) (u8)((a >> 4) & 0x3)
+#define vcm_dlc_mclk(dlc, mclk) (u16)((dlc << 3) | mclk | 0xa104)
+#define vcm_tsrc(tsrc) (u16)(tsrc << 3 | 0xf200)
+#define vcm_val(data, s) (u16)(data << 4 | s)
+#define DIRECT_VCM vcm_dlc_mclk(0, 0)
+
+#endif