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Diffstat (limited to 'drivers/staging/media/atomisp/i2c/ov5693/ad5823.h')
-rw-r--r--drivers/staging/media/atomisp/i2c/ov5693/ad5823.h67
1 files changed, 67 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 000000000000..2dd894989cd9
--- /dev/null
+++ b/drivers/staging/media/atomisp/i2c/ov5693/ad5823.h
@@ -0,0 +1,67 @@
+/*
+ * 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.
+ *
+ * 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 __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