Added missing tegra files.HEADmaster

1 files changed, 1520 insertions, 0 deletions

diff --git a/drivers/media/video/tegra/ov5650.c b/drivers/media/video/tegra/ov5650.c
new file mode 100644
index 00000000000..3adb46a3bb8
--- /dev/null
+++ b/drivers/media/video/tegra/ov5650.c
@@ -0,0 +1,1520 @@
+/*
+ * ov5650.c - ov5650 sensor driver
+ *
+ * Copyright (C) 2011 Google Inc.
+ *
+ * Contributors:
+ *      Rebecca Schultz Zavin <rebecca@android.com>
+ *
+ * Leverage OV9640.c
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include <linux/delay.h>
+#include <linux/fs.h>
+#include <linux/i2c.h>
+#include <linux/miscdevice.h>
+#include <linux/slab.h>
+#include <linux/uaccess.h>
+#include <media/ov5650.h>
+#include <media/tegra_camera.h>
+
+#define SIZEOF_I2C_TRANSBUF 32
+
+struct ov5650_reg {
+        u16 addr;
+        u16 val;
+};
+
+struct ov5650_sensor {
+        struct i2c_client *i2c_client;
+        struct ov5650_platform_data *pdata;
+};
+
+struct ov5650_info {
+        int mode;
+        enum StereoCameraMode camera_mode;
+        struct ov5650_sensor left;
+        struct ov5650_sensor right;
+        u8 i2c_trans_buf[SIZEOF_I2C_TRANSBUF];
+};
+
+static struct ov5650_info *stereo_ov5650_info;
+
+#define OV5650_TABLE_WAIT_MS 0
+#define OV5650_TABLE_END 1
+#define OV5650_MAX_RETRIES 3
+
+static struct ov5650_reg tp_none_seq[] = {
+        {0x5046, 0x00},
+        {OV5650_TABLE_END, 0x0000}
+};
+
+static struct ov5650_reg tp_cbars_seq[] = {
+        {0x503D, 0xC0},
+        {0x503E, 0x00},
+        {0x5046, 0x01},
+        {OV5650_TABLE_END, 0x0000}
+};
+
+static struct ov5650_reg tp_checker_seq[] = {
+        {0x503D, 0xC0},
+        {0x503E, 0x0A},
+        {0x5046, 0x01},
+        {OV5650_TABLE_END, 0x0000}
+};
+
+static struct ov5650_reg *test_pattern_modes[] = {
+        tp_none_seq,
+        tp_cbars_seq,
+        tp_checker_seq,
+};
+
+static struct ov5650_reg reset_seq[] = {
+        {0x3008, 0x82},
+        {OV5650_TABLE_WAIT_MS, 5},
+        {0x3008, 0x42},
+        {OV5650_TABLE_WAIT_MS, 5},
+        {OV5650_TABLE_END, 0x0000},
+};
+
+static struct ov5650_reg mode_start[] = {
+        {0x3103, 0x93},
+        {0x3017, 0xff},
+        {0x3018, 0xfc},
+
+        {0x3600, 0x50},
+        {0x3601, 0x0d},
+        {0x3604, 0x50},
+        {0x3605, 0x04},
+        {0x3606, 0x3f},
+        {0x3612, 0x1a},
+        {0x3630, 0x22},
+        {0x3631, 0x22},
+        {0x3702, 0x3a},
+        {0x3704, 0x18},
+        {0x3705, 0xda},
+        {0x3706, 0x41},
+        {0x370a, 0x80},
+        {0x370b, 0x40},
+        {0x370e, 0x00},
+        {0x3710, 0x28},
+        {0x3712, 0x13},
+        {0x3830, 0x50},
+        {0x3a18, 0x00},
+        {0x3a19, 0xf8},
+        {0x3a00, 0x38},
+
+
+        {0x3603, 0xa7},
+        {0x3615, 0x50},
+        {0x3620, 0x56},
+        {0x3810, 0x00},
+        {0x3836, 0x00},
+        {0x3a1a, 0x06},
+        {0x4000, 0x01},
+        {0x401c, 0x48},
+        {0x401d, 0x08},
+        {0x5000, 0x00},
+        {0x5001, 0x00},
+        {0x5002, 0x00},
+        {0x503d, 0x00},
+        {0x5046, 0x00},
+
+        {0x300f, 0x8f},
+
+        {0x3010, 0x10},
+        {0x3011, 0x14},
+        {0x3012, 0x02},
+        {0x3815, 0x82},
+        {0x3503, 0x33},
+        {0x3613, 0x44},
+        {OV5650_TABLE_END, 0x0},
+};
+
+static struct ov5650_reg mode_2592x1944[] = {
+        {0x3621, 0x2f},
+
+        {0x3632, 0x55},
+        {0x3703, 0xe6},
+        {0x370c, 0xa0},
+        {0x370d, 0x04},
+        {0x3713, 0x2f},
+        {0x3800, 0x02},
+        {0x3801, 0x58},
+        {0x3802, 0x00},
+        {0x3803, 0x0c},
+        {0x3804, 0x0a},
+        {0x3805, 0x20},
+        {0x3806, 0x07},
+        {0x3807, 0xa0},
+        {0x3808, 0x0a},
+
+        {0x3809, 0x20},
+
+        {0x380a, 0x07},
+
+        {0x380b, 0xa0},
+
+        {0x380c, 0x0c},
+
+        {0x380d, 0xb4},
+
+        {0x380e, 0x07},
+
+        {0x380f, 0xb0},
+
+        {0x3818, 0xc0},
+        {0x381a, 0x3c},
+        {0x3a0d, 0x06},
+        {0x3c01, 0x00},
+        {0x3007, 0x3f},
+        {0x5059, 0x80},
+        {0x3003, 0x03},
+        {0x3500, 0x00},
+        {0x3501, 0x7a},
+
+        {0x3502, 0xd0},
+
+        {0x350a, 0x00},
+        {0x350b, 0x00},
+        {0x401d, 0x08},
+        {0x4801, 0x0f},
+        {0x300e, 0x0c},
+        {0x4803, 0x50},
+        {0x4800, 0x34},
+        {OV5650_TABLE_END, 0x0000}
+};
+
+static struct ov5650_reg mode_1296x972[] = {
+        {0x3621, 0xaf},
+
+        {0x3632, 0x5a},
+        {0x3703, 0xb0},
+        {0x370c, 0xc5},
+        {0x370d, 0x42},
+        {0x3713, 0x2f},
+        {0x3800, 0x03},
+        {0x3801, 0x3c},
+        {0x3802, 0x00},
+        {0x3803, 0x06},
+        {0x3804, 0x05},
+        {0x3805, 0x10},
+        {0x3806, 0x03},
+        {0x3807, 0xd0},
+        {0x3808, 0x05},
+
+        {0x3809, 0x10},
+
+        {0x380a, 0x03},
+
+        {0x380b, 0xd0},
+
+        {0x380c, 0x08},
+
+        {0x380d, 0xa8},
+
+        {0x380e, 0x05},
+
+        {0x380f, 0xa4},
+
+        {0x3818, 0xc1},
+        {0x381a, 0x00},
+        {0x3a0d, 0x08},
+        {0x3c01, 0x00},
+        {0x3007, 0x3b},
+        {0x5059, 0x80},
+        {0x3003, 0x03},
+        {0x3500, 0x00},
+
+        {0x3501, 0x5a},
+        {0x3502, 0x10},
+        {0x350a, 0x00},
+        {0x350b, 0x10},
+        {0x401d, 0x08},
+        {0x4801, 0x0f},
+        {0x300e, 0x0c},
+        {0x4803, 0x50},
+        {0x4800, 0x34},
+        {OV5650_TABLE_END, 0x0000}
+};
+
+static struct ov5650_reg mode_2080x1164[] = {
+        {0x3103, 0x93},
+        {0x3007, 0x3b},
+        {0x3017, 0xff},
+        {0x3018, 0xfc},
+
+        {0x3600, 0x54},
+        {0x3601, 0x05},
+        {0x3603, 0xa7},
+        {0x3604, 0x40},
+        {0x3605, 0x04},
+        {0x3606, 0x3f},
+        {0x3612, 0x1a},
+        {0x3613, 0x44},
+        {0x3615, 0x52},
+        {0x3620, 0x56},
+        {0x3623, 0x01},
+        {0x3630, 0x22},
+        {0x3631, 0x36},
+        {0x3632, 0x5f},
+        {0x3633, 0x24},
+
+        {0x3702, 0x3a},
+        {0x3704, 0x18},
+        {0x3706, 0x41},
+        {0x370b, 0x40},
+        {0x370e, 0x00},
+        {0x3710, 0x28},
+        {0x3711, 0x24},
+        {0x3712, 0x13},
+
+        {0x3810, 0x00},
+        {0x3815, 0x82},
+        {0x3830, 0x50},
+        {0x3836, 0x00},
+
+        {0x3a1a, 0x06},
+        {0x3a18, 0x00},
+        {0x3a19, 0xf8},
+        {0x3a00, 0x38},
+
+        {0x3a0d, 0x06},
+        {0x3c01, 0x34},
+
+        {0x401f, 0x03},
+        {0x4000, 0x05},
+        {0x401d, 0x08},
+        {0x4001, 0x02},
+
+        {0x5000, 0x00},
+        {0x5001, 0x00},
+        {0x5002, 0x00},
+        {0x503d, 0x00},
+        {0x5046, 0x00},
+
+        {0x300f, 0x8f},
+
+        {0x3010, 0x10},
+        {0x3011, 0x14},
+        {0x3012, 0x02},
+        {0x3503, 0x33},
+
+
+        {0x3621, 0x2f},
+
+        {0x3703, 0xe6},
+        {0x370c, 0x00},
+        {0x370d, 0x04},
+        {0x3713, 0x22},
+        {0x3714, 0x27},
+        {0x3705, 0xda},
+        {0x370a, 0x80},
+
+        {0x3800, 0x02},
+        {0x3801, 0x12},
+        {0x3802, 0x00},
+        {0x3803, 0x0a},
+        {0x3804, 0x08},
+        {0x3805, 0x20},
+        {0x3806, 0x04},
+        {0x3807, 0x92},
+        {0x3808, 0x08},
+
+        {0x3809, 0x20},
+
+        {0x380a, 0x04},
+
+        {0x380b, 0x92},
+
+        {0x380c, 0x0a},
+
+        {0x380d, 0x96},
+
+        {0x380e, 0x04},
+
+        {0x380f, 0x9e},
+
+        {0x3818, 0xc0},
+        {0x381a, 0x3c},
+        {0x381c, 0x31},
+        {0x381d, 0x8e},
+        {0x381e, 0x04},
+        {0x381f, 0x92},
+        {0x3820, 0x04},
+        {0x3821, 0x19},
+        {0x3824, 0x01},
+        {0x3827, 0x0a},
+        {0x401c, 0x46},
+
+        {0x3003, 0x03},
+        {0x3500, 0x00},
+        {0x3501, 0x49},
+        {0x3502, 0xa0},
+        {0x350a, 0x00},
+        {0x350b, 0x00},
+        {0x4801, 0x0f},
+        {0x300e, 0x0c},
+        {0x4803, 0x50},
+        {0x4800, 0x34},
+
+        {OV5650_TABLE_END, 0x0000}
+};
+
+static struct ov5650_reg mode_1920x1080[] = {
+        {0x3103, 0x93},
+        {0x3007, 0x3b},
+        {0x3017, 0xff},
+        {0x3018, 0xfc},
+
+        {0x3600, 0x54},
+        {0x3601, 0x05},
+        {0x3603, 0xa7},
+        {0x3604, 0x40},
+        {0x3605, 0x04},
+        {0x3606, 0x3f},
+        {0x3612, 0x1a},
+        {0x3613, 0x44},
+        {0x3615, 0x52},
+        {0x3620, 0x56},
+        {0x3623, 0x01},
+        {0x3630, 0x22},
+        {0x3631, 0x36},
+        {0x3632, 0x5f},
+        {0x3633, 0x24},
+
+        {0x3702, 0x3a},
+        {0x3704, 0x18},
+        {0x3706, 0x41},
+        {0x370b, 0x40},
+        {0x370e, 0x00},
+        {0x3710, 0x28},
+        {0x3711, 0x24},
+        {0x3712, 0x13},
+
+        {0x3810, 0x00},
+        {0x3815, 0x82},
+
+        {0x3830, 0x50},
+        {0x3836, 0x00},
+
+        {0x3a1a, 0x06},
+        {0x3a18, 0x00},
+        {0x3a19, 0xf8},
+        {0x3a00, 0x38},
+        {0x3a0d, 0x06},
+        {0x3c01, 0x34},
+
+        {0x401f, 0x03},
+        {0x4000, 0x05},
+        {0x401d, 0x08},
+        {0x4001, 0x02},
+
+        {0x5000, 0x00},
+        {0x5001, 0x00},
+        {0x5002, 0x00},
+        {0x503d, 0x00},
+        {0x5046, 0x00},
+
+        {0x300f, 0x8f},
+        {0x3010, 0x10},
+        {0x3011, 0x14},
+        {0x3012, 0x02},
+        {0x3503, 0x33},
+
+        {0x3621, 0x2f},
+        {0x3703, 0xe6},
+        {0x370c, 0x00},
+        {0x370d, 0x04},
+        {0x3713, 0x22},
+        {0x3714, 0x27},
+        {0x3705, 0xda},
+        {0x370a, 0x80},
+
+        {0x3800, 0x02},
+        {0x3801, 0x94},
+        {0x3802, 0x00},
+        {0x3803, 0x0c},
+        {0x3804, 0x07},
+        {0x3805, 0x80},
+        {0x3806, 0x04},
+        {0x3807, 0x40},
+        {0x3808, 0x07},
+        {0x3809, 0x80},
+        {0x380a, 0x04},
+        {0x380b, 0x40},
+        {0x380c, 0x0a},
+        {0x380d, 0x84},
+        {0x380e, 0x04},
+        {0x380f, 0xa4},
+        {0x3818, 0xc0},
+        {0x381a, 0x3c},
+        {0x381c, 0x31},
+        {0x381d, 0xa4},
+        {0x381e, 0x04},
+        {0x381f, 0x60},
+        {0x3820, 0x03},
+        {0x3821, 0x1a},
+        {0x3824, 0x01},
+        {0x3827, 0x0a},
+        {0x401c, 0x46},
+
+        {0x3003, 0x03},
+        {0x3500, 0x00},
+        {0x3501, 0x49},
+        {0x3502, 0xa0},
+        {0x350a, 0x00},
+        {0x350b, 0x00},
+        {0x4801, 0x0f},
+        {0x300e, 0x0c},
+        {0x4803, 0x50},
+        {0x4800, 0x34},
+
+        {OV5650_TABLE_END, 0x0000}
+};
+
+
+static struct ov5650_reg mode_1264x704[] = {
+        {0x3600, 0x54},
+        {0x3601, 0x05},
+        {0x3604, 0x40},
+        {0x3705, 0xdb},
+        {0x370a, 0x81},
+        {0x3615, 0x52},
+        {0x3810, 0x40},
+        {0x3836, 0x41},
+        {0x4000, 0x05},
+        {0x401c, 0x42},
+        {0x401d, 0x08},
+        {0x5046, 0x09},
+        {0x3010, 0x00},
+        {0x3503, 0x00},
+        {0x3613, 0xc4},
+
+        {0x3621, 0xaf},
+
+        {0x3632, 0x55},
+        {0x3703, 0x9a},
+        {0x370c, 0x00},
+        {0x370d, 0x42},
+        {0x3713, 0x22},
+        {0x3800, 0x02},
+        {0x3801, 0x54},
+        {0x3802, 0x00},
+        {0x3803, 0x0c},
+        {0x3804, 0x05},
+        {0x3805, 0x00},
+        {0x3806, 0x02},
+        {0x3807, 0xd0},
+        {0x3808, 0x05},
+
+        {0x3809, 0x00},
+
+        {0x380a, 0x02},
+
+        {0x380b, 0xd0},
+
+        {0x380c, 0x08},
+
+        {0x380d, 0x72},
+
+        {0x380e, 0x02},
+
+        {0x380f, 0xe4},
+
+        {0x3818, 0xc1},
+        {0x381a, 0x3c},
+        {0x3a0d, 0x06},
+        {0x3c01, 0x34},
+        {0x3007, 0x3b},
+        {0x5059, 0x80},
+        {0x3003, 0x03},
+        {0x3500, 0x04},
+        {0x3501, 0xa5},
+
+        {0x3502, 0x10},
+
+        {0x350a, 0x00},
+        {0x350b, 0x00},
+        {0x4801, 0x0f},
+        {0x300e, 0x0c},
+        {0x4803, 0x50},
+        {0x4800, 0x24},
+        {0x300f, 0x8b},
+
+        {0x3711, 0x24},
+        {0x3713, 0x92},
+        {0x3714, 0x17},
+        {0x381c, 0x10},
+        {0x381d, 0x82},
+        {0x381e, 0x05},
+        {0x381f, 0xc0},
+        {0x3821, 0x20},
+        {0x3824, 0x23},
+        {0x3825, 0x2c},
+        {0x3826, 0x00},
+        {0x3827, 0x0c},
+        {0x3623, 0x01},
+        {0x3633, 0x24},
+        {0x3632, 0x5f},
+        {0x401f, 0x03},
+
+        {OV5650_TABLE_END, 0x0000}
+};
+
+static struct ov5650_reg mode_320x240[] = {
+        {0x3103, 0x93},
+        {0x3b07, 0x0c},
+        {0x3017, 0xff},
+        {0x3018, 0xfc},
+        {0x3706, 0x41},
+        {0x3613, 0xc4},
+        {0x370d, 0x42},
+        {0x3703, 0x9a},
+        {0x3630, 0x22},
+        {0x3605, 0x04},
+        {0x3606, 0x3f},
+        {0x3712, 0x13},
+        {0x370e, 0x00},
+        {0x370b, 0x40},
+        {0x3600, 0x54},
+        {0x3601, 0x05},
+        {0x3713, 0x22},
+        {0x3714, 0x27},
+        {0x3631, 0x22},
+        {0x3612, 0x1a},
+        {0x3604, 0x40},
+        {0x3705, 0xdc},
+        {0x370a, 0x83},
+        {0x370c, 0xc8},
+        {0x3710, 0x28},
+        {0x3702, 0x3a},
+        {0x3704, 0x18},
+        {0x3a18, 0x00},
+        {0x3a19, 0xf8},
+        {0x3a00, 0x38},
+        {0x3800, 0x02},
+        {0x3801, 0x54},
+        {0x3803, 0x0c},
+        {0x380c, 0x0c},
+        {0x380d, 0xb4},
+        {0x380e, 0x07},
+        {0x380f, 0xb0},
+        {0x3830, 0x50},
+        {0x3a08, 0x12},
+        {0x3a09, 0x70},
+        {0x3a0a, 0x0f},
+        {0x3a0b, 0x60},
+        {0x3a0d, 0x06},
+        {0x3a0e, 0x06},
+        {0x3a13, 0x54},
+        {0x3815, 0x82},
+        {0x5059, 0x80},
+        {0x3615, 0x52},
+        {0x505a, 0x0a},
+        {0x505b, 0x2e},
+        {0x3713, 0x92},
+        {0x3714, 0x17},
+        {0x3803, 0x0a},
+        {0x3804, 0x05},
+        {0x3805, 0x00},
+        {0x3806, 0x01},
+        {0x3807, 0x00},
+        {0x3808, 0x01},
+        {0x3809, 0x40},
+        {0x380a, 0x01},
+        {0x380b, 0x00},
+        {0x380c, 0x0a},
+
+        {0x380d, 0x04},
+
+        {0x380e, 0x01},
+
+        {0x380f, 0x38},
+
+        {0x3815, 0x81},
+        {0x3824, 0x23},
+        {0x3825, 0x20},
+        {0x3826, 0x00},
+        {0x3827, 0x08},
+        {0x370d, 0xc2},
+        {0x3a08, 0x17},
+        {0x3a09, 0x64},
+        {0x3a0a, 0x13},
+        {0x3a0b, 0x80},
+        {0x3a00, 0x58},
+        {0x3a1a, 0x06},
+        {0x3503, 0x33},
+        {0x3623, 0x01},
+        {0x3633, 0x24},
+        {0x3c01, 0x34},
+        {0x3c04, 0x28},
+        {0x3c05, 0x98},
+        {0x3c07, 0x07},
+        {0x3c09, 0xc2},
+        {0x4000, 0x05},
+        {0x401d, 0x08},
+        {0x4001, 0x02},
+        {0x401c, 0x42},
+        {0x5046, 0x09},
+        {0x3810, 0x40},
+        {0x3836, 0x41},
+        {0x505f, 0x04},
+        {0x5000, 0x06},
+        {0x5001, 0x00},
+        {0x5002, 0x02},
+        {0x503d, 0x00},
+        {0x5901, 0x08},
+        {0x585a, 0x01},
+        {0x585b, 0x2c},
+        {0x585c, 0x01},
+        {0x585d, 0x93},
+        {0x585e, 0x01},
+        {0x585f, 0x90},
+        {0x5860, 0x01},
+        {0x5861, 0x0d},
+        {0x5180, 0xc0},
+        {0x5184, 0x00},
+        {0x470a, 0x00},
+        {0x470b, 0x00},
+        {0x470c, 0x00},
+        {0x300f, 0x8e},
+        {0x3603, 0xa7},
+        {0x3632, 0x55},
+        {0x3620, 0x56},
+        {0x3621, 0xaf},
+        {0x3818, 0xc3},
+        {0x3631, 0x36},
+        {0x3632, 0x5f},
+        {0x3711, 0x24},
+        {0x401f, 0x03},
+
+        {0x3011, 0x14},
+        {0x3007, 0x3B},
+        {0x300f, 0x8f},
+        {0x4801, 0x0f},
+        {0x3003, 0x03},
+        {0x300e, 0x0c},
+        {0x3010, 0x15},
+        {0x4803, 0x50},
+        {0x4800, 0x24},
+        {0x4837, 0x40},
+        {0x3815, 0x82},
+
+        {OV5650_TABLE_END, 0x0000}
+};
+
+static struct ov5650_reg mode_end[] = {
+        {0x3212, 0x00},
+        {0x3003, 0x01},
+        {0x3212, 0x10},
+        {0x3212, 0xa0},
+        {0x3008, 0x02},
+
+        {OV5650_TABLE_END, 0x0000}
+};
+
+enum {
+        OV5650_MODE_2592x1944,
+        OV5650_MODE_1296x972,
+        OV5650_MODE_2080x1164,
+        OV5650_MODE_1920x1080,
+        OV5650_MODE_1264x704,
+        OV5650_MODE_320x240,
+        OV5650_MODE_INVALID
+};
+
+static struct ov5650_reg *mode_table[] = {
+        [OV5650_MODE_2592x1944] = mode_2592x1944,
+        [OV5650_MODE_1296x972]  = mode_1296x972,
+        [OV5650_MODE_2080x1164] = mode_2080x1164,
+        [OV5650_MODE_1920x1080] = mode_1920x1080,
+        [OV5650_MODE_1264x704]  = mode_1264x704,
+        [OV5650_MODE_320x240]   = mode_320x240
+};
+
+static inline void ov5650_get_frame_length_regs(struct ov5650_reg *regs,
+                                                u32 frame_length)
+{
+        regs->addr = 0x380e;
+        regs->val = (frame_length >> 8) & 0xff;
+        (regs + 1)->addr = 0x380f;
+        (regs + 1)->val = (frame_length) & 0xff;
+}
+
+static inline void ov5650_get_coarse_time_regs(struct ov5650_reg *regs,
+                                                u32 coarse_time)
+{
+        regs->addr = 0x3500;
+        regs->val = (coarse_time >> 12) & 0xff;
+        (regs + 1)->addr = 0x3501;
+        (regs + 1)->val = (coarse_time >> 4) & 0xff;
+        (regs + 2)->addr = 0x3502;
+        (regs + 2)->val = (coarse_time & 0xf) << 4;
+}
+
+static inline void ov5650_get_gain_reg(struct ov5650_reg *regs, u16 gain)
+{
+        regs->addr = 0x350b;
+        regs->val = gain;
+}
+
+static int ov5650_read_reg(struct i2c_client *client, u16 addr, u8 *val)
+{
+        int err;
+        struct i2c_msg msg[2];
+        unsigned char data[3];
+
+        if (!client->adapter)
+                return -ENODEV;
+
+        msg[0].addr = client->addr;
+        msg[0].flags = 0;
+        msg[0].len = 2;
+        msg[0].buf = data;
+
+        /* high byte goes out first */
+        data[0] = (u8) (addr >> 8);
+        data[1] = (u8) (addr & 0xff);
+
+        msg[1].addr = client->addr;
+        msg[1].flags = I2C_M_RD;
+        msg[1].len = 1;
+        msg[1].buf = data + 2;
+
+        err = i2c_transfer(client->adapter, msg, 2);
+
+        if (err != 1)
+                return -EINVAL;
+
+        *val = data[2];
+
+        return 0;
+}
+
+static int ov5650_read_reg_helper(struct ov5650_info *info,
+                                        u16 addr, u8 *val)
+{
+        int ret;
+        switch (info->camera_mode) {
+        case Main:
+        case StereoCameraMode_Left:
+                ret = ov5650_read_reg(info->left.i2c_client, addr, val);
+                break;
+        case StereoCameraMode_Stereo:
+                ret = ov5650_read_reg(info->left.i2c_client, addr, val);
+                if (ret)
+                        break;
+                ret = ov5650_read_reg(info->right.i2c_client, addr, val);
+                break;
+        case StereoCameraMode_Right:
+                ret = ov5650_read_reg(info->right.i2c_client, addr, val);
+                break;
+        default:
+                return -1;
+        }
+        return ret;
+}
+
+static int ov5650_write_reg(struct i2c_client *client, u16 addr, u8 val)
+{
+        int err;
+        struct i2c_msg msg;
+        unsigned char data[3];
+
+        if (!client->adapter)
+                return -ENODEV;
+
+        data[0] = (u8) (addr >> 8);
+        data[1] = (u8) (addr & 0xff);
+        data[2] = (u8) (val & 0xff);
+
+        msg.addr = client->addr;
+        msg.flags = 0;
+        msg.len = 3;
+        msg.buf = data;
+
+        err = i2c_transfer(client->adapter, &msg, 1);
+        if (err == 1)
+                return 0;
+
+        pr_err("ov5650: i2c transfer failed, retrying %x %x\n", addr, val);
+
+        return err;
+}
+
+static int ov5650_write_reg_helper(struct ov5650_info *info,
+                                        u16 addr, u8 val)
+{
+        int ret;
+        switch (info->camera_mode) {
+        case Main:
+        case StereoCameraMode_Left:
+                ret = ov5650_write_reg(info->left.i2c_client, addr, val);
+                break;
+        case StereoCameraMode_Stereo:
+                ret = ov5650_write_reg(info->left.i2c_client, addr, val);
+                if (ret)
+                        break;
+                ret = ov5650_write_reg(info->right.i2c_client, addr, val);
+                break;
+        case StereoCameraMode_Right:
+                ret = ov5650_write_reg(info->right.i2c_client, addr, val);
+                break;
+        default:
+                return -1;
+        }
+        return ret;
+}
+
+static int ov5650_write_bulk_reg(struct i2c_client *client, u8 *data, int len)
+{
+        int err;
+        struct i2c_msg msg;
+
+        if (!client->adapter)
+                return -ENODEV;
+
+        msg.addr = client->addr;
+        msg.flags = 0;
+        msg.len = len;
+        msg.buf = data;
+
+        err = i2c_transfer(client->adapter, &msg, 1);
+        if (err == 1)
+                return 0;
+
+        pr_err("ov5650: i2c bulk transfer failed at %x\n",
+                (int)data[0] << 8 | data[1]);
+
+        return err;
+}
+
+static int ov5650_write_bulk_reg_helper(struct ov5650_info *info, int len)
+{
+        int ret;
+        switch (info->camera_mode) {
+        case Main:
+        case StereoCameraMode_Left:
+                ret = ov5650_write_bulk_reg(info->left.i2c_client,
+                                        info->i2c_trans_buf, len);
+                break;
+        case StereoCameraMode_Stereo:
+                ret = ov5650_write_bulk_reg(info->left.i2c_client,
+                                        info->i2c_trans_buf, len);
+                if (ret)
+                        break;
+                ret = ov5650_write_bulk_reg(info->right.i2c_client,
+                                        info->i2c_trans_buf, len);
+                break;
+        case StereoCameraMode_Right:
+                ret = ov5650_write_bulk_reg(info->right.i2c_client,
+                                        info->i2c_trans_buf, len);
+                break;
+        default:
+                return -1;
+        }
+        return ret;
+}
+
+static int ov5650_write_table(struct ov5650_info *info,
+                                const struct ov5650_reg table[],
+                                const struct ov5650_reg override_list[],
+                                int num_override_regs)
+{
+        int err;
+        const struct ov5650_reg *next, *n_next;
+        u8 *b_ptr = info->i2c_trans_buf;
+        unsigned int buf_filled = 0;
+        unsigned int i;
+        u16 val;
+
+        for (next = table; next->addr != OV5650_TABLE_END; next++) {
+                if (next->addr == OV5650_TABLE_WAIT_MS) {
+                        msleep(next->val);
+                        continue;
+                }
+
+                val = next->val;
+                /* When an override list is passed in, replace the reg */
+                /* value to write if the reg is in the list            */
+                if (override_list) {
+                        for (i = 0; i < num_override_regs; i++) {
+                                if (next->addr == override_list[i].addr) {
+                                        val = override_list[i].val;
+                                        break;
+                                }
+                        }
+                }
+
+                if (!buf_filled) {
+                        b_ptr = info->i2c_trans_buf;
+                        *b_ptr++ = next->addr >> 8;
+                        *b_ptr++ = next->addr & 0xff;
+                        buf_filled = 2;
+                }
+                *b_ptr++ = val;
+                buf_filled++;
+
+                n_next = next + 1;
+                if (n_next->addr != OV5650_TABLE_END &&
+                        n_next->addr != OV5650_TABLE_WAIT_MS &&
+                        buf_filled < SIZEOF_I2C_TRANSBUF &&
+                        n_next->addr == next->addr + 1) {
+                        continue;
+                }
+
+                err = ov5650_write_bulk_reg_helper(info, buf_filled);
+                if (err)
+                        return err;
+
+                buf_filled = 0;
+        }
+        return 0;
+}
+
+static int ov5650_set_mode(struct ov5650_info *info, struct ov5650_mode *mode)
+{
+        int sensor_mode;
+        int err;
+        struct ov5650_reg reg_list[6];
+
+        pr_info("%s: xres %u yres %u framelength %u coarsetime %u gain %u\n",
+                __func__, mode->xres, mode->yres, mode->frame_length,
+                mode->coarse_time, mode->gain);
+        if (mode->xres == 2592 && mode->yres == 1944)
+                sensor_mode = OV5650_MODE_2592x1944;
+        else if (mode->xres == 1296 && mode->yres == 972)
+                sensor_mode = OV5650_MODE_1296x972;
+        else if (mode->xres == 2080 && mode->yres == 1164)
+                sensor_mode = OV5650_MODE_2080x1164;
+        else if (mode->xres == 1920 && mode->yres == 1080)
+                sensor_mode = OV5650_MODE_1920x1080;
+        else if (mode->xres == 1264 && mode->yres == 704)
+                sensor_mode = OV5650_MODE_1264x704;
+        else if (mode->xres == 320 && mode->yres == 240)
+                sensor_mode = OV5650_MODE_320x240;
+        else {
+                pr_err("%s: invalid resolution supplied to set mode %d %d\n",
+                       __func__, mode->xres, mode->yres);
+                return -EINVAL;
+        }
+
+        /* get a list of override regs for the asking frame length, */
+        /* coarse integration time, and gain.                       */
+        ov5650_get_frame_length_regs(reg_list, mode->frame_length);
+        ov5650_get_coarse_time_regs(reg_list + 2, mode->coarse_time);
+        ov5650_get_gain_reg(reg_list + 5, mode->gain);
+
+        err = ov5650_write_table(info, reset_seq, NULL, 0);
+        if (err)
+                return err;
+
+        err = ov5650_write_table(info, mode_start, NULL, 0);
+        if (err)
+                return err;
+
+        err = ov5650_write_table(info, mode_table[sensor_mode],
+                reg_list, 6);
+        if (err)
+                return err;
+
+        err = ov5650_write_table(info, mode_end, NULL, 0);
+        if (err)
+                return err;
+
+        info->mode = sensor_mode;
+        return 0;
+}
+
+static int ov5650_set_frame_length(struct ov5650_info *info, u32 frame_length)
+{
+        int ret;
+        struct ov5650_reg reg_list[2];
+        u8 *b_ptr = info->i2c_trans_buf;
+
+        ov5650_get_frame_length_regs(reg_list, frame_length);
+
+        *b_ptr++ = reg_list[0].addr >> 8;
+        *b_ptr++ = reg_list[0].addr & 0xff;
+        *b_ptr++ = reg_list[0].val & 0xff;
+        *b_ptr++ = reg_list[1].val & 0xff;
+        ret = ov5650_write_bulk_reg_helper(info, 4);
+
+        return ret;
+}
+
+static int ov5650_set_coarse_time(struct ov5650_info *info, u32 coarse_time)
+{
+        int ret;
+        struct ov5650_reg reg_list[3];
+        u8 *b_ptr = info->i2c_trans_buf;
+
+        ov5650_get_coarse_time_regs(reg_list, coarse_time);
+
+        *b_ptr++ = reg_list[0].addr >> 8;
+        *b_ptr++ = reg_list[0].addr & 0xff;
+        *b_ptr++ = reg_list[0].val & 0xff;
+        *b_ptr++ = reg_list[1].val & 0xff;
+        *b_ptr++ = reg_list[2].val & 0xff;
+        ret = ov5650_write_bulk_reg_helper(info, 5);
+
+        return ret;
+}
+
+static int ov5650_set_gain(struct ov5650_info *info, u16 gain)
+{
+        int ret;
+        struct ov5650_reg reg_list;
+
+        ov5650_get_gain_reg(&reg_list, gain);
+        ret = ov5650_write_reg_helper(info, reg_list.addr, reg_list.val);
+
+        return ret;
+}
+
+static int ov5650_set_group_hold(struct ov5650_info *info, struct ov5650_ae *ae)
+{
+        int ret;
+        int count = 0;
+        bool groupHoldEnabled = false;
+
+        if (ae->gain_enable)
+                count++;
+        if (ae->coarse_time_enable)
+                count++;
+        if (ae->frame_length_enable)
+                count++;
+        if (count >= 2)
+                groupHoldEnabled = true;
+
+        if (groupHoldEnabled) {
+                ret = ov5650_write_reg_helper(info, 0x3212, 0x01);
+                if (ret)
+                        return ret;
+        }
+
+        if (ae->gain_enable)
+                ov5650_set_gain(info, ae->gain);
+        if (ae->coarse_time_enable)
+                ov5650_set_coarse_time(info, ae->coarse_time);
+        if (ae->frame_length_enable)
+                ov5650_set_frame_length(info, ae->frame_length);
+
+        if (groupHoldEnabled) {
+                ret = ov5650_write_reg_helper(info, 0x3212, 0x11);
+                if (ret)
+                        return ret;
+
+                ret = ov5650_write_reg_helper(info, 0x3212, 0xa1);
+                if (ret)
+                        return ret;
+        }
+
+        return 0;
+}
+
+
+static int ov5650_set_binning(struct ov5650_info *info, u8 enable)
+{
+        s32 ret;
+        u8  array_ctrl_reg, analog_ctrl_reg, timing_reg;
+        u32 val;
+
+        if (info->mode == OV5650_MODE_2592x1944
+         || info->mode == OV5650_MODE_2080x1164
+         || info->mode >= OV5650_MODE_INVALID) {
+                return -EINVAL;
+        }
+
+        ov5650_read_reg_helper(info, OV5650_ARRAY_CONTROL_01, &array_ctrl_reg);
+        ov5650_read_reg_helper(info, OV5650_ANALOG_CONTROL_D, &analog_ctrl_reg);
+        ov5650_read_reg_helper(info, OV5650_TIMING_TC_REG_18, &timing_reg);
+
+        ret = ov5650_write_reg_helper(info,
+                        OV5650_SRM_GRUP_ACCESS,
+                        OV5650_GROUP_ID(3));
+        if (ret < 0)
+                return -EIO;
+
+        if (!enable) {
+                ret = ov5650_write_reg_helper(info,
+                        OV5650_ARRAY_CONTROL_01,
+                        array_ctrl_reg |
+                        (OV5650_H_BINNING_BIT | OV5650_H_SUBSAMPLING_BIT));
+
+                if (ret < 0)
+                        goto exit;
+
+                ret = ov5650_write_reg_helper(info,
+                        OV5650_ANALOG_CONTROL_D,
+                        analog_ctrl_reg & ~OV5650_V_BINNING_BIT);
+
+                if (ret < 0)
+                        goto exit;
+
+                ret = ov5650_write_reg_helper(info,
+                        OV5650_TIMING_TC_REG_18,
+                        timing_reg | OV5650_V_SUBSAMPLING_BIT);
+
+                if (ret < 0)
+                        goto exit;
+
+                if (info->mode == OV5650_MODE_1296x972)
+                        val = 0x1A2;
+                else
+                        /* FIXME: this value is not verified yet. */
+                        val = 0x1A8;
+
+                ret = ov5650_write_reg_helper(info,
+                        OV5650_TIMING_CONTROL_HS_HIGH,
+                        (val >> 8));
+
+                if (ret < 0)
+                        goto exit;
+
+                ret = ov5650_write_reg_helper(info,
+                        OV5650_TIMING_CONTROL_HS_LOW,
+                        (val & 0xFF));
+        } else {
+                ret = ov5650_write_reg_helper(info,
+                        OV5650_ARRAY_CONTROL_01,
+                        (array_ctrl_reg | OV5650_H_BINNING_BIT)
+                        & ~OV5650_H_SUBSAMPLING_BIT);
+
+                if (ret < 0)
+                        goto exit;
+
+                ret = ov5650_write_reg_helper(info,
+                        OV5650_ANALOG_CONTROL_D,
+                        analog_ctrl_reg | OV5650_V_BINNING_BIT);
+
+                if (ret < 0)
+                        goto exit;
+
+                ret = ov5650_write_reg_helper(info,
+                        OV5650_TIMING_TC_REG_18,
+                        timing_reg | OV5650_V_SUBSAMPLING_BIT);
+
+                if (ret < 0)
+                        goto exit;
+
+                if (info->mode == OV5650_MODE_1296x972)
+                        val = 0x33C;
+                else
+                        val = 0x254;
+
+                ret = ov5650_write_reg_helper(info,
+                        OV5650_TIMING_CONTROL_HS_HIGH,
+                        (val >> 8));
+
+                if (ret < 0)
+                        goto exit;
+
+                ret = ov5650_write_reg_helper(info,
+                        OV5650_TIMING_CONTROL_HS_LOW,
+                        (val & 0xFF));
+        }
+
+exit:
+        ret = ov5650_write_reg_helper(info,
+                OV5650_SRM_GRUP_ACCESS,
+                (OV5650_GROUP_HOLD_END_BIT | OV5650_GROUP_ID(3)));
+
+        ret |= ov5650_write_reg_helper(info,
+                OV5650_SRM_GRUP_ACCESS,
+                (OV5650_GROUP_HOLD_BIT | OV5650_GROUP_LAUNCH_BIT |
+                OV5650_GROUP_ID(3)));
+
+        return ret;
+}
+
+static int ov5650_test_pattern(struct ov5650_info *info,
+                               enum ov5650_test_pattern pattern)
+{
+        if (pattern >= ARRAY_SIZE(test_pattern_modes))
+                return -EINVAL;
+
+        return ov5650_write_table(info,
+                                  test_pattern_modes[pattern],
+                                  NULL, 0);
+}
+
+static int set_power_helper(struct ov5650_platform_data *pdata,
+                                int powerLevel)
+{
+        if (pdata) {
+                if (powerLevel && pdata->power_on)
+                        pdata->power_on();
+                else if (pdata->power_off)
+                        pdata->power_off();
+        }
+        return 0;
+}
+
+static int ov5650_set_power(int powerLevel)
+{
+        pr_info("%s: powerLevel=%d camera mode=%d\n", __func__, powerLevel,
+                        stereo_ov5650_info->camera_mode);
+
+        if (StereoCameraMode_Left & stereo_ov5650_info->camera_mode)
+                set_power_helper(stereo_ov5650_info->left.pdata, powerLevel);
+
+        if (StereoCameraMode_Right & stereo_ov5650_info->camera_mode)
+                set_power_helper(stereo_ov5650_info->right.pdata, powerLevel);
+
+        return 0;
+}
+
+static long ov5650_ioctl(struct file *file,
+                         unsigned int cmd, unsigned long arg)
+{
+        int err;
+        struct ov5650_info *info = file->private_data;
+
+        switch (cmd) {
+        case OV5650_IOCTL_SET_CAMERA_MODE:
+        {
+                if (info->camera_mode != arg) {
+                        err = ov5650_set_power(0);
+                        if (err) {
+                                pr_info("%s %d\n", __func__, __LINE__);
+                                return err;
+                        }
+                        info->camera_mode = arg;
+                        err = ov5650_set_power(1);
+                        if (err)
+                                return err;
+                }
+                return 0;
+        }
+        case OV5650_IOCTL_SYNC_SENSORS:
+                if (info->right.pdata->synchronize_sensors)
+                        info->right.pdata->synchronize_sensors();
+                return 0;
+        case OV5650_IOCTL_SET_MODE:
+        {
+                struct ov5650_mode mode;
+                if (copy_from_user(&mode,
+                                   (const void __user *)arg,
+                                   sizeof(struct ov5650_mode))) {
+                        pr_info("%s %d\n", __func__, __LINE__);
+                        return -EFAULT;
+                }
+
+                return ov5650_set_mode(info, &mode);
+        }
+        case OV5650_IOCTL_SET_FRAME_LENGTH:
+                return ov5650_set_frame_length(info, (u32)arg);
+        case OV5650_IOCTL_SET_COARSE_TIME:
+                return ov5650_set_coarse_time(info, (u32)arg);
+        case OV5650_IOCTL_SET_GAIN:
+                return ov5650_set_gain(info, (u16)arg);
+        case OV5650_IOCTL_SET_BINNING:
+                return ov5650_set_binning(info, (u8)arg);
+        case OV5650_IOCTL_GET_STATUS:
+        {
+                u16 status = 0;
+                if (copy_to_user((void __user *)arg, &status,
+                                 2)) {
+                        pr_info("%s %d\n", __func__, __LINE__);
+                        return -EFAULT;
+                }
+                return 0;
+        }
+        case OV5650_IOCTL_TEST_PATTERN:
+        {
+                err = ov5650_test_pattern(info, (enum ov5650_test_pattern) arg);
+                if (err)
+                        pr_err("%s %d %d\n", __func__, __LINE__, err);
+                return err;
+        }
+        case OV5650_IOCTL_SET_GROUP_HOLD:
+        {
+                struct ov5650_ae ae;
+                if (copy_from_user(&ae,
+                                (const void __user *)arg,
+                                sizeof(struct ov5650_ae))) {
+                        pr_info("%s %d\n", __func__, __LINE__);
+                        return -EFAULT;
+                }
+                return ov5650_set_group_hold(info, &ae);
+        }
+        default:
+                return -EINVAL;
+        }
+        return 0;
+}
+
+static int ov5650_open(struct inode *inode, struct file *file)
+{
+        pr_info("%s\n", __func__);
+        file->private_data = stereo_ov5650_info;
+        ov5650_set_power(1);
+        return 0;
+}
+
+int ov5650_release(struct inode *inode, struct file *file)
+{
+        ov5650_set_power(0);
+        file->private_data = NULL;
+        return 0;
+}
+
+
+static const struct file_operations ov5650_fileops = {
+        .owner = THIS_MODULE,
+        .open = ov5650_open,
+        .unlocked_ioctl = ov5650_ioctl,
+        .release = ov5650_release,
+};
+
+static struct miscdevice ov5650_device = {
+        .minor = MISC_DYNAMIC_MINOR,
+        .name = "ov5650",
+        .fops = &ov5650_fileops,
+};
+
+static int ov5650_probe_common(void)
+{
+        int err;
+
+        if (!stereo_ov5650_info) {
+                stereo_ov5650_info = kzalloc(sizeof(struct ov5650_info),
+                                        GFP_KERNEL);
+                if (!stereo_ov5650_info) {
+                        pr_err("ov5650: Unable to allocate memory!\n");
+                        return -ENOMEM;
+                }
+
+                err = misc_register(&ov5650_device);
+                if (err) {
+                        pr_err("ov5650: Unable to register misc device!\n");
+                        kfree(stereo_ov5650_info);
+                        return err;
+                }
+        }
+        return 0;
+}
+
+static int ov5650_remove_common(struct i2c_client *client)
+{
+        if (stereo_ov5650_info->left.i2c_client ||
+                stereo_ov5650_info->right.i2c_client)
+                return 0;
+
+        misc_deregister(&ov5650_device);
+        kfree(stereo_ov5650_info);
+        stereo_ov5650_info = NULL;
+
+        return 0;
+}
+
+static int left_ov5650_probe(struct i2c_client *client,
+                        const struct i2c_device_id *id)
+{
+        int err;
+        pr_info("%s: probing sensor.\n", __func__);
+
+        err = ov5650_probe_common();
+        if (err)
+                return err;
+
+        stereo_ov5650_info->left.pdata = client->dev.platform_data;
+        stereo_ov5650_info->left.i2c_client = client;
+
+        return 0;
+}
+
+static int left_ov5650_remove(struct i2c_client *client)
+{
+        if (stereo_ov5650_info) {
+                stereo_ov5650_info->left.i2c_client = NULL;
+                ov5650_remove_common(client);
+        }
+        return 0;
+}
+
+static const struct i2c_device_id left_ov5650_id[] = {
+        { "ov5650", 0 },
+        { "ov5650L", 0 },
+        { },
+};
+
+MODULE_DEVICE_TABLE(i2c, left_ov5650_id);
+
+static struct i2c_driver left_ov5650_i2c_driver = {
+        .driver = {
+                .name = "ov5650",
+                .owner = THIS_MODULE,
+        },
+        .probe = left_ov5650_probe,
+        .remove = left_ov5650_remove,
+        .id_table = left_ov5650_id,
+};
+
+static int right_ov5650_probe(struct i2c_client *client,
+                        const struct i2c_device_id *id)
+{
+        int err;
+        pr_info("%s: probing sensor.\n", __func__);
+
+        err = ov5650_probe_common();
+        if (err)
+                return err;
+
+        stereo_ov5650_info->right.pdata = client->dev.platform_data;
+        stereo_ov5650_info->right.i2c_client = client;
+
+        return 0;
+}
+
+static int right_ov5650_remove(struct i2c_client *client)
+{
+        if (stereo_ov5650_info) {
+                stereo_ov5650_info->right.i2c_client = NULL;
+                ov5650_remove_common(client);
+        }
+        return 0;
+}
+
+static const struct i2c_device_id right_ov5650_id[] = {
+        { "ov5650R", 0 },
+        { },
+};
+
+MODULE_DEVICE_TABLE(i2c, right_ov5650_id);
+
+static struct i2c_driver right_ov5650_i2c_driver = {
+        .driver = {
+                .name = "ov5650R",
+                .owner = THIS_MODULE,
+        },
+        .probe = right_ov5650_probe,
+        .remove = right_ov5650_remove,
+        .id_table = right_ov5650_id,
+};
+
+static int __init ov5650_init(void)
+{
+        int ret;
+        pr_info("ov5650 sensor driver loading\n");
+        ret = i2c_add_driver(&left_ov5650_i2c_driver);
+        if (ret)
+                return ret;
+        return i2c_add_driver(&right_ov5650_i2c_driver);
+}
+
+static void __exit ov5650_exit(void)
+{
+        i2c_del_driver(&right_ov5650_i2c_driver);
+        i2c_del_driver(&left_ov5650_i2c_driver);
+}
+
+module_init(ov5650_init);
+module_exit(ov5650_exit);
+