Re: [PATCH v3 1/2] ov8856: Add support for 2 data lanes

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Oops.. It turned out that I replied to the previous version of this patch:
https://lore.kernel.org/linux-media/dcc96c87-db10-821a-dcaa-2d9004b1d5c5@xxxxxxxxxx/
Sorry for that.
But my concern still holds: the two new lane_2_mode_*x*[] tables mostly duplicate
the lane_4_mode_*x*[] ones, and to switch between 2 and 4 lanes the driver needs
to change 4 registers at most. So the number of lanes related values could be put
into separate small tables similar to the mipi_data_rate_lane_N[] ones (or maybe
added to those).

On 31.03.2021 12:12, Shawnx Tu wrote:
From: Shawn Tu <shawnx.tu@xxxxxxxxx>

The OV8856 sensor can output frames with 2/4 CSI2 data lanes.
This commit adds support for 2 lane mode in addition to the 4 lane
and also configuring the data lane settings in the driver based on
system configuration.

- Fix Bayer order output in 1640x1232 binning registers
- that's a nice addition to the driver.

Thanks,
Andrey

- supported data lanes
   + 3280x2464 on 2 & 4 lanes
   + 1640x1232 on 2 & 4 lanes
   + 3264x2448 on 4 lanes
   + 1632x1224 on 4 lanes

Signed-off-by: Shawn Tu <shawnx.tu@xxxxxxxxx>
---
  drivers/media/i2c/ov8856.c | 2329 ++++++++++++++++++++++--------------
  1 file changed, 1428 insertions(+), 901 deletions(-)

diff --git a/drivers/media/i2c/ov8856.c b/drivers/media/i2c/ov8856.c
index b337f729d5e3..502cc703f2a1 100644
--- a/drivers/media/i2c/ov8856.c
+++ b/drivers/media/i2c/ov8856.c
@@ -18,8 +18,6 @@
  #define OV8856_REG_VALUE_16BIT		2
  #define OV8856_REG_VALUE_24BIT		3
-#define OV8856_LINK_FREQ_360MHZ 360000000ULL
-#define OV8856_LINK_FREQ_180MHZ		180000000ULL
  #define OV8856_SCLK			144000000ULL
  #define OV8856_XVCLK_19_2		19200000
  #define OV8856_DATA_LANES		4
@@ -78,6 +76,10 @@
  #define OV8856_TEST_PATTERN_ENABLE	BIT(7)
  #define OV8856_TEST_PATTERN_BAR_SHIFT	2
+#define NUM_REGS 7
+#define NUM_MODE_REGS				187
+#define NUM_MODE_REGS_2				200
+
  #define to_ov8856(_sd)			container_of(_sd, struct ov8856, sd)
static const char * const ov8856_supply_names[] = {
@@ -86,11 +88,6 @@ static const char * const ov8856_supply_names[] = {
  	"dvdd",		/* Digital core power */
  };
-enum {
-	OV8856_LINK_FREQ_720MBPS,
-	OV8856_LINK_FREQ_360MBPS,
-};
-
  struct ov8856_reg {
  	u16 address;
  	u8 val;
@@ -126,891 +123,1240 @@ struct ov8856_mode {
/* Sensor register settings for this resolution */
  	const struct ov8856_reg_list reg_list;
+
+	/* Number of data lanes */
+	u8 data_lanes;
  };
-static const struct ov8856_reg mipi_data_rate_720mbps[] = {
-	{0x0103, 0x01},
-	{0x0100, 0x00},
-	{0x0302, 0x4b},
-	{0x0303, 0x01},
-	{0x030b, 0x02},
-	{0x030d, 0x4b},
-	{0x031e, 0x0c},
+struct ov8856_mipi_data_rates {
+	const struct ov8856_reg regs_0[NUM_REGS];
+	const struct ov8856_reg regs_1[NUM_REGS];
  };
-static const struct ov8856_reg mipi_data_rate_360mbps[] = {
-	{0x0103, 0x01},
-	{0x0100, 0x00},
-	{0x0302, 0x4b},
-	{0x0303, 0x03},
-	{0x030b, 0x02},
-	{0x030d, 0x4b},
-	{0x031e, 0x0c},
+static const struct ov8856_mipi_data_rates mipi_data_rate_lane_2 = {
+	//mipi_data_rate_1440mbps
+	{
+		{0x0103, 0x01},
+		{0x0100, 0x00},
+		{0x0302, 0x43},
+		{0x0303, 0x00},
+		{0x030b, 0x02},
+		{0x030d, 0x4b},
+		{0x031e, 0x0c}
+	},
+	//mipi_data_rate_720mbps
+	{
+		{0x0103, 0x01},
+		{0x0100, 0x00},
+		{0x0302, 0x4b},
+		{0x0303, 0x01},
+		{0x030b, 0x02},
+		{0x030d, 0x4b},
+		{0x031e, 0x0c}
+	}
  };
-static const struct ov8856_reg mode_3280x2464_regs[] = {
-	{0x3000, 0x20},
-	{0x3003, 0x08},
-	{0x300e, 0x20},
-	{0x3010, 0x00},
-	{0x3015, 0x84},
-	{0x3018, 0x72},
-	{0x3021, 0x23},
-	{0x3033, 0x24},
-	{0x3500, 0x00},
-	{0x3501, 0x9a},
-	{0x3502, 0x20},
-	{0x3503, 0x08},
-	{0x3505, 0x83},
-	{0x3508, 0x01},
-	{0x3509, 0x80},
-	{0x350c, 0x00},
-	{0x350d, 0x80},
-	{0x350e, 0x04},
-	{0x350f, 0x00},
-	{0x3510, 0x00},
-	{0x3511, 0x02},
-	{0x3512, 0x00},
-	{0x3600, 0x72},
-	{0x3601, 0x40},
-	{0x3602, 0x30},
-	{0x3610, 0xc5},
-	{0x3611, 0x58},
-	{0x3612, 0x5c},
-	{0x3613, 0xca},
-	{0x3614, 0x20},
-	{0x3628, 0xff},
-	{0x3629, 0xff},
-	{0x362a, 0xff},
-	{0x3633, 0x10},
-	{0x3634, 0x10},
-	{0x3635, 0x10},
-	{0x3636, 0x10},
-	{0x3663, 0x08},
-	{0x3669, 0x34},
-	{0x366e, 0x10},
-	{0x3706, 0x86},
-	{0x370b, 0x7e},
-	{0x3714, 0x23},
-	{0x3730, 0x12},
-	{0x3733, 0x10},
-	{0x3764, 0x00},
-	{0x3765, 0x00},
-	{0x3769, 0x62},
-	{0x376a, 0x2a},
-	{0x376b, 0x30},
-	{0x3780, 0x00},
-	{0x3781, 0x24},
-	{0x3782, 0x00},
-	{0x3783, 0x23},
-	{0x3798, 0x2f},
-	{0x37a1, 0x60},
-	{0x37a8, 0x6a},
-	{0x37ab, 0x3f},
-	{0x37c2, 0x04},
-	{0x37c3, 0xf1},
-	{0x37c9, 0x80},
-	{0x37cb, 0x16},
-	{0x37cc, 0x16},
-	{0x37cd, 0x16},
-	{0x37ce, 0x16},
-	{0x3800, 0x00},
-	{0x3801, 0x00},
-	{0x3802, 0x00},
-	{0x3803, 0x06},
-	{0x3804, 0x0c},
-	{0x3805, 0xdf},
-	{0x3806, 0x09},
-	{0x3807, 0xa7},
-	{0x3808, 0x0c},
-	{0x3809, 0xd0},
-	{0x380a, 0x09},
-	{0x380b, 0xa0},
-	{0x380c, 0x07},
-	{0x380d, 0x88},
-	{0x380e, 0x09},
-	{0x380f, 0xb8},
-	{0x3810, 0x00},
-	{0x3811, 0x00},
-	{0x3812, 0x00},
-	{0x3813, 0x01},
-	{0x3814, 0x01},
-	{0x3815, 0x01},
-	{0x3816, 0x00},
-	{0x3817, 0x00},
-	{0x3818, 0x00},
-	{0x3819, 0x10},
-	{0x3820, 0x80},
-	{0x3821, 0x46},
-	{0x382a, 0x01},
-	{0x382b, 0x01},
-	{0x3830, 0x06},
-	{0x3836, 0x02},
-	{0x3862, 0x04},
-	{0x3863, 0x08},
-	{0x3cc0, 0x33},
-	{0x3d85, 0x17},
-	{0x3d8c, 0x73},
-	{0x3d8d, 0xde},
-	{0x4001, 0xe0},
-	{0x4003, 0x40},
-	{0x4008, 0x00},
-	{0x4009, 0x0b},
-	{0x400a, 0x00},
-	{0x400b, 0x84},
-	{0x400f, 0x80},
-	{0x4010, 0xf0},
-	{0x4011, 0xff},
-	{0x4012, 0x02},
-	{0x4013, 0x01},
-	{0x4014, 0x01},
-	{0x4015, 0x01},
-	{0x4042, 0x00},
-	{0x4043, 0x80},
-	{0x4044, 0x00},
-	{0x4045, 0x80},
-	{0x4046, 0x00},
-	{0x4047, 0x80},
-	{0x4048, 0x00},
-	{0x4049, 0x80},
-	{0x4041, 0x03},
-	{0x404c, 0x20},
-	{0x404d, 0x00},
-	{0x404e, 0x20},
-	{0x4203, 0x80},
-	{0x4307, 0x30},
-	{0x4317, 0x00},
-	{0x4503, 0x08},
-	{0x4601, 0x80},
-	{0x4800, 0x44},
-	{0x4816, 0x53},
-	{0x481b, 0x58},
-	{0x481f, 0x27},
-	{0x4837, 0x16},
-	{0x483c, 0x0f},
-	{0x484b, 0x05},
-	{0x5000, 0x57},
-	{0x5001, 0x0a},
-	{0x5004, 0x04},
-	{0x502e, 0x03},
-	{0x5030, 0x41},
-	{0x5780, 0x14},
-	{0x5781, 0x0f},
-	{0x5782, 0x44},
-	{0x5783, 0x02},
-	{0x5784, 0x01},
-	{0x5785, 0x01},
-	{0x5786, 0x00},
-	{0x5787, 0x04},
-	{0x5788, 0x02},
-	{0x5789, 0x0f},
-	{0x578a, 0xfd},
-	{0x578b, 0xf5},
-	{0x578c, 0xf5},
-	{0x578d, 0x03},
-	{0x578e, 0x08},
-	{0x578f, 0x0c},
-	{0x5790, 0x08},
-	{0x5791, 0x04},
-	{0x5792, 0x00},
-	{0x5793, 0x52},
-	{0x5794, 0xa3},
-	{0x5795, 0x02},
-	{0x5796, 0x20},
-	{0x5797, 0x20},
-	{0x5798, 0xd5},
-	{0x5799, 0xd5},
-	{0x579a, 0x00},
-	{0x579b, 0x50},
-	{0x579c, 0x00},
-	{0x579d, 0x2c},
-	{0x579e, 0x0c},
-	{0x579f, 0x40},
-	{0x57a0, 0x09},
-	{0x57a1, 0x40},
-	{0x59f8, 0x3d},
-	{0x5a08, 0x02},
-	{0x5b00, 0x02},
-	{0x5b01, 0x10},
-	{0x5b02, 0x03},
-	{0x5b03, 0xcf},
-	{0x5b05, 0x6c},
-	{0x5e00, 0x00}
+static const struct ov8856_mipi_data_rates mipi_data_rate_lane_4 = {
+	//mipi_data_rate_720mbps
+	{
+		{0x0103, 0x01},
+		{0x0100, 0x00},
+		{0x0302, 0x4b},
+		{0x0303, 0x01},
+		{0x030b, 0x02},
+		{0x030d, 0x4b},
+		{0x031e, 0x0c}
+	},
+	//mipi_data_rate_360mbps
+	{
+		{0x0103, 0x01},
+		{0x0100, 0x00},
+		{0x0302, 0x4b},
+		{0x0303, 0x03},
+		{0x030b, 0x02},
+		{0x030d, 0x4b},
+		{0x031e, 0x0c}
+	}
  };
-static const struct ov8856_reg mode_3264x2448_regs[] = {
-	{0x0103, 0x01},
-	{0x0302, 0x3c},
-	{0x0303, 0x01},
-	{0x031e, 0x0c},
-	{0x3000, 0x20},
-	{0x3003, 0x08},
-	{0x300e, 0x20},
-	{0x3010, 0x00},
-	{0x3015, 0x84},
-	{0x3018, 0x72},
-	{0x3021, 0x23},
-	{0x3033, 0x24},
-	{0x3500, 0x00},
-	{0x3501, 0x9a},
-	{0x3502, 0x20},
-	{0x3503, 0x08},
-	{0x3505, 0x83},
-	{0x3508, 0x01},
-	{0x3509, 0x80},
-	{0x350c, 0x00},
-	{0x350d, 0x80},
-	{0x350e, 0x04},
-	{0x350f, 0x00},
-	{0x3510, 0x00},
-	{0x3511, 0x02},
-	{0x3512, 0x00},
-	{0x3600, 0x72},
-	{0x3601, 0x40},
-	{0x3602, 0x30},
-	{0x3610, 0xc5},
-	{0x3611, 0x58},
-	{0x3612, 0x5c},
-	{0x3613, 0xca},
-	{0x3614, 0x60},
-	{0x3628, 0xff},
-	{0x3629, 0xff},
-	{0x362a, 0xff},
-	{0x3633, 0x10},
-	{0x3634, 0x10},
-	{0x3635, 0x10},
-	{0x3636, 0x10},
-	{0x3663, 0x08},
-	{0x3669, 0x34},
-	{0x366d, 0x00},
-	{0x366e, 0x10},
-	{0x3706, 0x86},
-	{0x370b, 0x7e},
-	{0x3714, 0x23},
-	{0x3730, 0x12},
-	{0x3733, 0x10},
-	{0x3764, 0x00},
-	{0x3765, 0x00},
-	{0x3769, 0x62},
-	{0x376a, 0x2a},
-	{0x376b, 0x30},
-	{0x3780, 0x00},
-	{0x3781, 0x24},
-	{0x3782, 0x00},
-	{0x3783, 0x23},
-	{0x3798, 0x2f},
-	{0x37a1, 0x60},
-	{0x37a8, 0x6a},
-	{0x37ab, 0x3f},
-	{0x37c2, 0x04},
-	{0x37c3, 0xf1},
-	{0x37c9, 0x80},
-	{0x37cb, 0x16},
-	{0x37cc, 0x16},
-	{0x37cd, 0x16},
-	{0x37ce, 0x16},
-	{0x3800, 0x00},
-	{0x3801, 0x00},
-	{0x3802, 0x00},
-	{0x3803, 0x0c},
-	{0x3804, 0x0c},
-	{0x3805, 0xdf},
-	{0x3806, 0x09},
-	{0x3807, 0xa3},
-	{0x3808, 0x0c},
-	{0x3809, 0xc0},
-	{0x380a, 0x09},
-	{0x380b, 0x90},
-	{0x380c, 0x07},
-	{0x380d, 0x8c},
-	{0x380e, 0x09},
-	{0x380f, 0xb2},
-	{0x3810, 0x00},
-	{0x3811, 0x04},
-	{0x3812, 0x00},
-	{0x3813, 0x01},
-	{0x3814, 0x01},
-	{0x3815, 0x01},
-	{0x3816, 0x00},
-	{0x3817, 0x00},
-	{0x3818, 0x00},
-	{0x3819, 0x10},
-	{0x3820, 0x80},
-	{0x3821, 0x46},
-	{0x382a, 0x01},
-	{0x382b, 0x01},
-	{0x3830, 0x06},
-	{0x3836, 0x02},
-	{0x3862, 0x04},
-	{0x3863, 0x08},
-	{0x3cc0, 0x33},
-	{0x3d85, 0x17},
-	{0x3d8c, 0x73},
-	{0x3d8d, 0xde},
-	{0x4001, 0xe0},
-	{0x4003, 0x40},
-	{0x4008, 0x00},
-	{0x4009, 0x0b},
-	{0x400a, 0x00},
-	{0x400b, 0x84},
-	{0x400f, 0x80},
-	{0x4010, 0xf0},
-	{0x4011, 0xff},
-	{0x4012, 0x02},
-	{0x4013, 0x01},
-	{0x4014, 0x01},
-	{0x4015, 0x01},
-	{0x4042, 0x00},
-	{0x4043, 0x80},
-	{0x4044, 0x00},
-	{0x4045, 0x80},
-	{0x4046, 0x00},
-	{0x4047, 0x80},
-	{0x4048, 0x00},
-	{0x4049, 0x80},
-	{0x4041, 0x03},
-	{0x404c, 0x20},
-	{0x404d, 0x00},
-	{0x404e, 0x20},
-	{0x4203, 0x80},
-	{0x4307, 0x30},
-	{0x4317, 0x00},
-	{0x4502, 0x50},
-	{0x4503, 0x08},
-	{0x4601, 0x80},
-	{0x4800, 0x44},
-	{0x4816, 0x53},
-	{0x481b, 0x50},
-	{0x481f, 0x27},
-	{0x4823, 0x3c},
-	{0x482b, 0x00},
-	{0x4831, 0x66},
-	{0x4837, 0x16},
-	{0x483c, 0x0f},
-	{0x484b, 0x05},
-	{0x5000, 0x77},
-	{0x5001, 0x0a},
-	{0x5003, 0xc8},
-	{0x5004, 0x04},
-	{0x5006, 0x00},
-	{0x5007, 0x00},
-	{0x502e, 0x03},
-	{0x5030, 0x41},
-	{0x5780, 0x14},
-	{0x5781, 0x0f},
-	{0x5782, 0x44},
-	{0x5783, 0x02},
-	{0x5784, 0x01},
-	{0x5785, 0x01},
-	{0x5786, 0x00},
-	{0x5787, 0x04},
-	{0x5788, 0x02},
-	{0x5789, 0x0f},
-	{0x578a, 0xfd},
-	{0x578b, 0xf5},
-	{0x578c, 0xf5},
-	{0x578d, 0x03},
-	{0x578e, 0x08},
-	{0x578f, 0x0c},
-	{0x5790, 0x08},
-	{0x5791, 0x04},
-	{0x5792, 0x00},
-	{0x5793, 0x52},
-	{0x5794, 0xa3},
-	{0x5795, 0x02},
-	{0x5796, 0x20},
-	{0x5797, 0x20},
-	{0x5798, 0xd5},
-	{0x5799, 0xd5},
-	{0x579a, 0x00},
-	{0x579b, 0x50},
-	{0x579c, 0x00},
-	{0x579d, 0x2c},
-	{0x579e, 0x0c},
-	{0x579f, 0x40},
-	{0x57a0, 0x09},
-	{0x57a1, 0x40},
-	{0x59f8, 0x3d},
-	{0x5a08, 0x02},
-	{0x5b00, 0x02},
-	{0x5b01, 0x10},
-	{0x5b02, 0x03},
-	{0x5b03, 0xcf},
-	{0x5b05, 0x6c},
-	{0x5e00, 0x00},
-	{0x5e10, 0xfc}
+static const struct ov8856_reg lane_2_mode_3280x2464[] = {
+	/* 3280x2464 resolution */
+		{0x3000, 0x00},
+		{0x300e, 0x00},
+		{0x3010, 0x00},
+		{0x3015, 0x84},
+		{0x3018, 0x32},
+		{0x3021, 0x23},
+		{0x3033, 0x24},
+		{0x3500, 0x00},
+		{0x3501, 0x9a},
+		{0x3502, 0x20},
+		{0x3503, 0x08},
+		{0x3505, 0x83},
+		{0x3508, 0x01},
+		{0x3509, 0x80},
+		{0x350c, 0x00},
+		{0x350d, 0x80},
+		{0x350e, 0x04},
+		{0x350f, 0x00},
+		{0x3510, 0x00},
+		{0x3511, 0x02},
+		{0x3512, 0x00},
+		{0x3600, 0x72},
+		{0x3601, 0x40},
+		{0x3602, 0x30},
+		{0x3610, 0xc5},
+		{0x3611, 0x58},
+		{0x3612, 0x5c},
+		{0x3613, 0xca},
+		{0x3614, 0x50},
+		{0x3628, 0xff},
+		{0x3629, 0xff},
+		{0x362a, 0xff},
+		{0x3633, 0x10},
+		{0x3634, 0x10},
+		{0x3635, 0x10},
+		{0x3636, 0x10},
+		{0x3663, 0x08},
+		{0x3669, 0x34},
+		{0x366e, 0x10},
+		{0x3706, 0x86},
+		{0x370b, 0x7e},
+		{0x3714, 0x23},
+		{0x3730, 0x12},
+		{0x3733, 0x10},
+		{0x3764, 0x00},
+		{0x3765, 0x00},
+		{0x3769, 0x62},
+		{0x376a, 0x2a},
+		{0x376b, 0x30},
+		{0x3780, 0x00},
+		{0x3781, 0x24},
+		{0x3782, 0x00},
+		{0x3783, 0x23},
+		{0x3798, 0x2f},
+		{0x37a1, 0x60},
+		{0x37a8, 0x6a},
+		{0x37ab, 0x3f},
+		{0x37c2, 0x04},
+		{0x37c3, 0xf1},
+		{0x37c9, 0x80},
+		{0x37cb, 0x16},
+		{0x37cc, 0x16},
+		{0x37cd, 0x16},
+		{0x37ce, 0x16},
+		{0x3800, 0x00},
+		{0x3801, 0x00},
+		{0x3802, 0x00},
+		{0x3803, 0x06},
+		{0x3804, 0x0c},
+		{0x3805, 0xdf},
+		{0x3806, 0x09},
+		{0x3807, 0xa7},
+		{0x3808, 0x0c},
+		{0x3809, 0xd0},
+		{0x380a, 0x09},
+		{0x380b, 0xa0},
+		{0x380c, 0x07},
+		{0x380d, 0x88},
+		{0x380e, 0x09},
+		{0x380f, 0xb8},
+		{0x3810, 0x00},
+		{0x3811, 0x00},
+		{0x3812, 0x00},
+		{0x3813, 0x01},
+		{0x3814, 0x01},
+		{0x3815, 0x01},
+		{0x3816, 0x00},
+		{0x3817, 0x00},
+		{0x3818, 0x00},
+		{0x3819, 0x00},
+		{0x3820, 0x80},
+		{0x3821, 0x46},
+		{0x382a, 0x01},
+		{0x382b, 0x01},
+		{0x3830, 0x06},
+		{0x3836, 0x02},
+		{0x3837, 0x10},
+		{0x3862, 0x04},
+		{0x3863, 0x08},
+		{0x3cc0, 0x33},
+		{0x3d85, 0x14},
+		{0x3d8c, 0x73},
+		{0x3d8d, 0xde},
+		{0x4001, 0xe0},
+		{0x4003, 0x40},
+		{0x4008, 0x00},
+		{0x4009, 0x0b},
+		{0x400a, 0x00},
+		{0x400b, 0x84},
+		{0x400f, 0x80},
+		{0x4010, 0xf0},
+		{0x4011, 0xff},
+		{0x4012, 0x02},
+		{0x4013, 0x01},
+		{0x4014, 0x01},
+		{0x4015, 0x01},
+		{0x4042, 0x00},
+		{0x4043, 0x80},
+		{0x4044, 0x00},
+		{0x4045, 0x80},
+		{0x4046, 0x00},
+		{0x4047, 0x80},
+		{0x4048, 0x00},
+		{0x4049, 0x80},
+		{0x4041, 0x03},
+		{0x404c, 0x20},
+		{0x404d, 0x00},
+		{0x404e, 0x20},
+		{0x4203, 0x80},
+		{0x4307, 0x30},
+		{0x4317, 0x00},
+		{0x4503, 0x08},
+		{0x4601, 0x80},
+		{0x4800, 0x44},
+		{0x4816, 0x53},
+		{0x481b, 0x58},
+		{0x481f, 0x27},
+		{0x4837, 0x0c},
+		{0x483c, 0x0f},
+		{0x484b, 0x05},
+		{0x5000, 0x57},
+		{0x5001, 0x0a},
+		{0x5004, 0x04},
+		{0x502e, 0x03},
+		{0x5030, 0x41},
+		{0x5795, 0x02},
+		{0x5796, 0x20},
+		{0x5797, 0x20},
+		{0x5798, 0xd5},
+		{0x5799, 0xd5},
+		{0x579a, 0x00},
+		{0x579b, 0x50},
+		{0x579c, 0x00},
+		{0x579d, 0x2c},
+		{0x579e, 0x0c},
+		{0x579f, 0x40},
+		{0x57a0, 0x09},
+		{0x57a1, 0x40},
+		{0x5780, 0x14},
+		{0x5781, 0x0f},
+		{0x5782, 0x44},
+		{0x5783, 0x02},
+		{0x5784, 0x01},
+		{0x5785, 0x01},
+		{0x5786, 0x00},
+		{0x5787, 0x04},
+		{0x5788, 0x02},
+		{0x5789, 0x0f},
+		{0x578a, 0xfd},
+		{0x578b, 0xf5},
+		{0x578c, 0xf5},
+		{0x578d, 0x03},
+		{0x578e, 0x08},
+		{0x578f, 0x0c},
+		{0x5790, 0x08},
+		{0x5791, 0x04},
+		{0x5792, 0x00},
+		{0x5793, 0x52},
+		{0x5794, 0xa3},
+		{0x59f8, 0x3d},
+		{0x5a08, 0x02},
+		{0x5b00, 0x02},
+		{0x5b01, 0x10},
+		{0x5b02, 0x03},
+		{0x5b03, 0xcf},
+		{0x5b05, 0x6c},
+		{0x5e00, 0x00}
  };
-static const struct ov8856_reg mode_1640x1232_regs[] = {
-	{0x3000, 0x20},
-	{0x3003, 0x08},
-	{0x300e, 0x20},
-	{0x3010, 0x00},
-	{0x3015, 0x84},
-	{0x3018, 0x72},
-	{0x3021, 0x23},
-	{0x3033, 0x24},
-	{0x3500, 0x00},
-	{0x3501, 0x4c},
-	{0x3502, 0xe0},
-	{0x3503, 0x08},
-	{0x3505, 0x83},
-	{0x3508, 0x01},
-	{0x3509, 0x80},
-	{0x350c, 0x00},
-	{0x350d, 0x80},
-	{0x350e, 0x04},
-	{0x350f, 0x00},
-	{0x3510, 0x00},
-	{0x3511, 0x02},
-	{0x3512, 0x00},
-	{0x3600, 0x72},
-	{0x3601, 0x40},
-	{0x3602, 0x30},
-	{0x3610, 0xc5},
-	{0x3611, 0x58},
-	{0x3612, 0x5c},
-	{0x3613, 0xca},
-	{0x3614, 0x20},
-	{0x3628, 0xff},
-	{0x3629, 0xff},
-	{0x362a, 0xff},
-	{0x3633, 0x10},
-	{0x3634, 0x10},
-	{0x3635, 0x10},
-	{0x3636, 0x10},
-	{0x3663, 0x08},
-	{0x3669, 0x34},
-	{0x366e, 0x08},
-	{0x3706, 0x86},
-	{0x370b, 0x7e},
-	{0x3714, 0x27},
-	{0x3730, 0x12},
-	{0x3733, 0x10},
-	{0x3764, 0x00},
-	{0x3765, 0x00},
-	{0x3769, 0x62},
-	{0x376a, 0x2a},
-	{0x376b, 0x30},
-	{0x3780, 0x00},
-	{0x3781, 0x24},
-	{0x3782, 0x00},
-	{0x3783, 0x23},
-	{0x3798, 0x2f},
-	{0x37a1, 0x60},
-	{0x37a8, 0x6a},
-	{0x37ab, 0x3f},
-	{0x37c2, 0x14},
-	{0x37c3, 0xf1},
-	{0x37c9, 0x80},
-	{0x37cb, 0x16},
-	{0x37cc, 0x16},
-	{0x37cd, 0x16},
-	{0x37ce, 0x16},
-	{0x3800, 0x00},
-	{0x3801, 0x00},
-	{0x3802, 0x00},
-	{0x3803, 0x06},
-	{0x3804, 0x0c},
-	{0x3805, 0xdf},
-	{0x3806, 0x09},
-	{0x3807, 0xa7},
-	{0x3808, 0x06},
-	{0x3809, 0x68},
-	{0x380a, 0x04},
-	{0x380b, 0xd0},
-	{0x380c, 0x0e},
-	{0x380d, 0xec},
-	{0x380e, 0x04},
-	{0x380f, 0xe8},
-	{0x3810, 0x00},
-	{0x3811, 0x00},
-	{0x3812, 0x00},
-	{0x3813, 0x01},
-	{0x3814, 0x03},
-	{0x3815, 0x01},
-	{0x3816, 0x00},
-	{0x3817, 0x00},
-	{0x3818, 0x00},
-	{0x3819, 0x10},
-	{0x3820, 0x90},
-	{0x3821, 0x67},
-	{0x382a, 0x03},
-	{0x382b, 0x01},
-	{0x3830, 0x06},
-	{0x3836, 0x02},
-	{0x3862, 0x04},
-	{0x3863, 0x08},
-	{0x3cc0, 0x33},
-	{0x3d85, 0x17},
-	{0x3d8c, 0x73},
-	{0x3d8d, 0xde},
-	{0x4001, 0xe0},
-	{0x4003, 0x40},
-	{0x4008, 0x00},
-	{0x4009, 0x05},
-	{0x400a, 0x00},
-	{0x400b, 0x84},
-	{0x400f, 0x80},
-	{0x4010, 0xf0},
-	{0x4011, 0xff},
-	{0x4012, 0x02},
-	{0x4013, 0x01},
-	{0x4014, 0x01},
-	{0x4015, 0x01},
-	{0x4042, 0x00},
-	{0x4043, 0x80},
-	{0x4044, 0x00},
-	{0x4045, 0x80},
-	{0x4046, 0x00},
-	{0x4047, 0x80},
-	{0x4048, 0x00},
-	{0x4049, 0x80},
-	{0x4041, 0x03},
-	{0x404c, 0x20},
-	{0x404d, 0x00},
-	{0x404e, 0x20},
-	{0x4203, 0x80},
-	{0x4307, 0x30},
-	{0x4317, 0x00},
-	{0x4503, 0x08},
-	{0x4601, 0x80},
-	{0x4800, 0x44},
-	{0x4816, 0x53},
-	{0x481b, 0x58},
-	{0x481f, 0x27},
-	{0x4837, 0x16},
-	{0x483c, 0x0f},
-	{0x484b, 0x05},
-	{0x5000, 0x57},
-	{0x5001, 0x0a},
-	{0x5004, 0x04},
-	{0x502e, 0x03},
-	{0x5030, 0x41},
-	{0x5780, 0x14},
-	{0x5781, 0x0f},
-	{0x5782, 0x44},
-	{0x5783, 0x02},
-	{0x5784, 0x01},
-	{0x5785, 0x01},
-	{0x5786, 0x00},
-	{0x5787, 0x04},
-	{0x5788, 0x02},
-	{0x5789, 0x0f},
-	{0x578a, 0xfd},
-	{0x578b, 0xf5},
-	{0x578c, 0xf5},
-	{0x578d, 0x03},
-	{0x578e, 0x08},
-	{0x578f, 0x0c},
-	{0x5790, 0x08},
-	{0x5791, 0x04},
-	{0x5792, 0x00},
-	{0x5793, 0x52},
-	{0x5794, 0xa3},
-	{0x5795, 0x00},
-	{0x5796, 0x10},
-	{0x5797, 0x10},
-	{0x5798, 0x73},
-	{0x5799, 0x73},
-	{0x579a, 0x00},
-	{0x579b, 0x28},
-	{0x579c, 0x00},
-	{0x579d, 0x16},
-	{0x579e, 0x06},
-	{0x579f, 0x20},
-	{0x57a0, 0x04},
-	{0x57a1, 0xa0},
-	{0x59f8, 0x3d},
-	{0x5a08, 0x02},
-	{0x5b00, 0x02},
-	{0x5b01, 0x10},
-	{0x5b02, 0x03},
-	{0x5b03, 0xcf},
-	{0x5b05, 0x6c},
-	{0x5e00, 0x00}
+static const struct ov8856_reg lane_2_mode_1640x1232[] = {
+	/* 1640x1232 resolution */
+		{0x3000, 0x00},
+		{0x300e, 0x00},
+		{0x3010, 0x00},
+		{0x3015, 0x84},
+		{0x3018, 0x32},
+		{0x3021, 0x23},
+		{0x3033, 0x24},
+		{0x3500, 0x00},
+		{0x3501, 0x4c},
+		{0x3502, 0xe0},
+		{0x3503, 0x08},
+		{0x3505, 0x83},
+		{0x3508, 0x01},
+		{0x3509, 0x80},
+		{0x350c, 0x00},
+		{0x350d, 0x80},
+		{0x350e, 0x04},
+		{0x350f, 0x00},
+		{0x3510, 0x00},
+		{0x3511, 0x02},
+		{0x3512, 0x00},
+		{0x3600, 0x72},
+		{0x3601, 0x40},
+		{0x3602, 0x30},
+		{0x3610, 0xc5},
+		{0x3611, 0x58},
+		{0x3612, 0x5c},
+		{0x3613, 0xca},
+		{0x3614, 0x50},
+		{0x3628, 0xff},
+		{0x3629, 0xff},
+		{0x362a, 0xff},
+		{0x3633, 0x10},
+		{0x3634, 0x10},
+		{0x3635, 0x10},
+		{0x3636, 0x10},
+		{0x3663, 0x08},
+		{0x3669, 0x34},
+		{0x366e, 0x08},
+		{0x3706, 0x86},
+		{0x370b, 0x7e},
+		{0x3714, 0x27},
+		{0x3730, 0x12},
+		{0x3733, 0x10},
+		{0x3764, 0x00},
+		{0x3765, 0x00},
+		{0x3769, 0x62},
+		{0x376a, 0x2a},
+		{0x376b, 0x30},
+		{0x3780, 0x00},
+		{0x3781, 0x24},
+		{0x3782, 0x00},
+		{0x3783, 0x23},
+		{0x3798, 0x2f},
+		{0x37a1, 0x60},
+		{0x37a8, 0x6a},
+		{0x37ab, 0x3f},
+		{0x37c2, 0x14},
+		{0x37c3, 0xf1},
+		{0x37c9, 0x80},
+		{0x37cb, 0x16},
+		{0x37cc, 0x16},
+		{0x37cd, 0x16},
+		{0x37ce, 0x16},
+		{0x3800, 0x00},
+		{0x3801, 0x00},
+		{0x3802, 0x00},
+		{0x3803, 0x00},
+		{0x3804, 0x0c},
+		{0x3805, 0xdf},
+		{0x3806, 0x09},
+		{0x3807, 0xaf},
+		{0x3808, 0x06},
+		{0x3809, 0x68},
+		{0x380a, 0x04},
+		{0x380b, 0xd0},
+		{0x380c, 0x0c},
+		{0x380d, 0x60},
+		{0x380e, 0x05},
+		{0x380f, 0xea},
+		{0x3810, 0x00},
+		{0x3811, 0x04},
+		{0x3812, 0x00},
+		{0x3813, 0x05},
+		{0x3814, 0x03},
+		{0x3815, 0x01},
+		{0x3816, 0x00},
+		{0x3817, 0x00},
+		{0x3818, 0x00},
+		{0x3819, 0x00},
+		{0x3820, 0x90},
+		{0x3821, 0x67},
+		{0x382a, 0x03},
+		{0x382b, 0x01},
+		{0x3830, 0x06},
+		{0x3836, 0x02},
+		{0x3837, 0x10},
+		{0x3862, 0x04},
+		{0x3863, 0x08},
+		{0x3cc0, 0x33},
+		{0x3d85, 0x14},
+		{0x3d8c, 0x73},
+		{0x3d8d, 0xde},
+		{0x4001, 0xe0},
+		{0x4003, 0x40},
+		{0x4008, 0x00},
+		{0x4009, 0x05},
+		{0x400a, 0x00},
+		{0x400b, 0x84},
+		{0x400f, 0x80},
+		{0x4010, 0xf0},
+		{0x4011, 0xff},
+		{0x4012, 0x02},
+		{0x4013, 0x01},
+		{0x4014, 0x01},
+		{0x4015, 0x01},
+		{0x4042, 0x00},
+		{0x4043, 0x80},
+		{0x4044, 0x00},
+		{0x4045, 0x80},
+		{0x4046, 0x00},
+		{0x4047, 0x80},
+		{0x4048, 0x00},
+		{0x4049, 0x80},
+		{0x4041, 0x03},
+		{0x404c, 0x20},
+		{0x404d, 0x00},
+		{0x404e, 0x20},
+		{0x4203, 0x80},
+		{0x4307, 0x30},
+		{0x4317, 0x00},
+		{0x4503, 0x08},
+		{0x4601, 0x80},
+		{0x4800, 0x44},
+		{0x4816, 0x53},
+		{0x481b, 0x58},
+		{0x481f, 0x27},
+		{0x4837, 0x16},
+		{0x483c, 0x0f},
+		{0x484b, 0x05},
+		{0x5000, 0x57},
+		{0x5001, 0x0a},
+		{0x5004, 0x04},
+		{0x502e, 0x03},
+		{0x5030, 0x41},
+		{0x5795, 0x00},
+		{0x5796, 0x10},
+		{0x5797, 0x10},
+		{0x5798, 0x73},
+		{0x5799, 0x73},
+		{0x579a, 0x00},
+		{0x579b, 0x28},
+		{0x579c, 0x00},
+		{0x579d, 0x16},
+		{0x579e, 0x06},
+		{0x579f, 0x20},
+		{0x57a0, 0x04},
+		{0x57a1, 0xa0},
+		{0x5780, 0x14},
+		{0x5781, 0x0f},
+		{0x5782, 0x44},
+		{0x5783, 0x02},
+		{0x5784, 0x01},
+		{0x5785, 0x01},
+		{0x5786, 0x00},
+		{0x5787, 0x04},
+		{0x5788, 0x02},
+		{0x5789, 0x0f},
+		{0x578a, 0xfd},
+		{0x578b, 0xf5},
+		{0x578c, 0xf5},
+		{0x578d, 0x03},
+		{0x578e, 0x08},
+		{0x578f, 0x0c},
+		{0x5790, 0x08},
+		{0x5791, 0x04},
+		{0x5792, 0x00},
+		{0x5793, 0x52},
+		{0x5794, 0xa3},
+		{0x59f8, 0x3d},
+		{0x5a08, 0x02},
+		{0x5b00, 0x02},
+		{0x5b01, 0x10},
+		{0x5b02, 0x03},
+		{0x5b03, 0xcf},
+		{0x5b05, 0x6c},
+		{0x5e00, 0x00}
  };
-static const struct ov8856_reg mode_1632x1224_regs[] = {
-	{0x0103, 0x01},
-	{0x0302, 0x3c},
-	{0x0303, 0x01},
-	{0x031e, 0x0c},
-	{0x3000, 0x20},
-	{0x3003, 0x08},
-	{0x300e, 0x20},
-	{0x3010, 0x00},
-	{0x3015, 0x84},
-	{0x3018, 0x72},
-	{0x3021, 0x23},
-	{0x3033, 0x24},
-	{0x3500, 0x00},
-	{0x3501, 0x4c},
-	{0x3502, 0xe0},
-	{0x3503, 0x08},
-	{0x3505, 0x83},
-	{0x3508, 0x01},
-	{0x3509, 0x80},
-	{0x350c, 0x00},
-	{0x350d, 0x80},
-	{0x350e, 0x04},
-	{0x350f, 0x00},
-	{0x3510, 0x00},
-	{0x3511, 0x02},
-	{0x3512, 0x00},
-	{0x3600, 0x72},
-	{0x3601, 0x40},
-	{0x3602, 0x30},
-	{0x3610, 0xc5},
-	{0x3611, 0x58},
-	{0x3612, 0x5c},
-	{0x3613, 0xca},
-	{0x3614, 0x60},
-	{0x3628, 0xff},
-	{0x3629, 0xff},
-	{0x362a, 0xff},
-	{0x3633, 0x10},
-	{0x3634, 0x10},
-	{0x3635, 0x10},
-	{0x3636, 0x10},
-	{0x3663, 0x08},
-	{0x3669, 0x34},
-	{0x366d, 0x00},
-	{0x366e, 0x08},
-	{0x3706, 0x86},
-	{0x370b, 0x7e},
-	{0x3714, 0x27},
-	{0x3730, 0x12},
-	{0x3733, 0x10},
-	{0x3764, 0x00},
-	{0x3765, 0x00},
-	{0x3769, 0x62},
-	{0x376a, 0x2a},
-	{0x376b, 0x30},
-	{0x3780, 0x00},
-	{0x3781, 0x24},
-	{0x3782, 0x00},
-	{0x3783, 0x23},
-	{0x3798, 0x2f},
-	{0x37a1, 0x60},
-	{0x37a8, 0x6a},
-	{0x37ab, 0x3f},
-	{0x37c2, 0x14},
-	{0x37c3, 0xf1},
-	{0x37c9, 0x80},
-	{0x37cb, 0x16},
-	{0x37cc, 0x16},
-	{0x37cd, 0x16},
-	{0x37ce, 0x16},
-	{0x3800, 0x00},
-	{0x3801, 0x00},
-	{0x3802, 0x00},
-	{0x3803, 0x0c},
-	{0x3804, 0x0c},
-	{0x3805, 0xdf},
-	{0x3806, 0x09},
-	{0x3807, 0xa3},
-	{0x3808, 0x06},
-	{0x3809, 0x60},
-	{0x380a, 0x04},
-	{0x380b, 0xc8},
-	{0x380c, 0x07},
-	{0x380d, 0x8c},
-	{0x380e, 0x09},
-	{0x380f, 0xb2},
-	{0x3810, 0x00},
-	{0x3811, 0x02},
-	{0x3812, 0x00},
-	{0x3813, 0x01},
-	{0x3814, 0x03},
-	{0x3815, 0x01},
-	{0x3816, 0x00},
-	{0x3817, 0x00},
-	{0x3818, 0x00},
-	{0x3819, 0x10},
-	{0x3820, 0x80},
-	{0x3821, 0x47},
-	{0x382a, 0x03},
-	{0x382b, 0x01},
-	{0x3830, 0x06},
-	{0x3836, 0x02},
-	{0x3862, 0x04},
-	{0x3863, 0x08},
-	{0x3cc0, 0x33},
-	{0x3d85, 0x17},
-	{0x3d8c, 0x73},
-	{0x3d8d, 0xde},
-	{0x4001, 0xe0},
-	{0x4003, 0x40},
-	{0x4008, 0x00},
-	{0x4009, 0x05},
-	{0x400a, 0x00},
-	{0x400b, 0x84},
-	{0x400f, 0x80},
-	{0x4010, 0xf0},
-	{0x4011, 0xff},
-	{0x4012, 0x02},
-	{0x4013, 0x01},
-	{0x4014, 0x01},
-	{0x4015, 0x01},
-	{0x4042, 0x00},
-	{0x4043, 0x80},
-	{0x4044, 0x00},
-	{0x4045, 0x80},
-	{0x4046, 0x00},
-	{0x4047, 0x80},
-	{0x4048, 0x00},
-	{0x4049, 0x80},
-	{0x4041, 0x03},
-	{0x404c, 0x20},
-	{0x404d, 0x00},
-	{0x404e, 0x20},
-	{0x4203, 0x80},
-	{0x4307, 0x30},
-	{0x4317, 0x00},
-	{0x4502, 0x50},
-	{0x4503, 0x08},
-	{0x4601, 0x80},
-	{0x4800, 0x44},
-	{0x4816, 0x53},
-	{0x481b, 0x50},
-	{0x481f, 0x27},
-	{0x4823, 0x3c},
-	{0x482b, 0x00},
-	{0x4831, 0x66},
-	{0x4837, 0x16},
-	{0x483c, 0x0f},
-	{0x484b, 0x05},
-	{0x5000, 0x77},
-	{0x5001, 0x0a},
-	{0x5003, 0xc8},
-	{0x5004, 0x04},
-	{0x5006, 0x00},
-	{0x5007, 0x00},
-	{0x502e, 0x03},
-	{0x5030, 0x41},
-	{0x5795, 0x00},
-	{0x5796, 0x10},
-	{0x5797, 0x10},
-	{0x5798, 0x73},
-	{0x5799, 0x73},
-	{0x579a, 0x00},
-	{0x579b, 0x28},
-	{0x579c, 0x00},
-	{0x579d, 0x16},
-	{0x579e, 0x06},
-	{0x579f, 0x20},
-	{0x57a0, 0x04},
-	{0x57a1, 0xa0},
-	{0x5780, 0x14},
-	{0x5781, 0x0f},
-	{0x5782, 0x44},
-	{0x5783, 0x02},
-	{0x5784, 0x01},
-	{0x5785, 0x01},
-	{0x5786, 0x00},
-	{0x5787, 0x04},
-	{0x5788, 0x02},
-	{0x5789, 0x0f},
-	{0x578a, 0xfd},
-	{0x578b, 0xf5},
-	{0x578c, 0xf5},
-	{0x578d, 0x03},
-	{0x578e, 0x08},
-	{0x578f, 0x0c},
-	{0x5790, 0x08},
-	{0x5791, 0x04},
-	{0x5792, 0x00},
-	{0x5793, 0x52},
-	{0x5794, 0xa3},
-	{0x59f8, 0x3d},
-	{0x5a08, 0x02},
-	{0x5b00, 0x02},
-	{0x5b01, 0x10},
-	{0x5b02, 0x03},
-	{0x5b03, 0xcf},
-	{0x5b05, 0x6c},
-	{0x5e00, 0x00},
-	{0x5e10, 0xfc}
+static const struct ov8856_reg lane_4_mode_3280x2464[] = {
+	/* 3280x2464 resolution */
+		{0x3000, 0x20},
+		{0x3003, 0x08},
+		{0x300e, 0x20},
+		{0x3010, 0x00},
+		{0x3015, 0x84},
+		{0x3018, 0x72},
+		{0x3021, 0x23},
+		{0x3033, 0x24},
+		{0x3500, 0x00},
+		{0x3501, 0x9a},
+		{0x3502, 0x20},
+		{0x3503, 0x08},
+		{0x3505, 0x83},
+		{0x3508, 0x01},
+		{0x3509, 0x80},
+		{0x350c, 0x00},
+		{0x350d, 0x80},
+		{0x350e, 0x04},
+		{0x350f, 0x00},
+		{0x3510, 0x00},
+		{0x3511, 0x02},
+		{0x3512, 0x00},
+		{0x3600, 0x72},
+		{0x3601, 0x40},
+		{0x3602, 0x30},
+		{0x3610, 0xc5},
+		{0x3611, 0x58},
+		{0x3612, 0x5c},
+		{0x3613, 0xca},
+		{0x3614, 0x20},
+		{0x3628, 0xff},
+		{0x3629, 0xff},
+		{0x362a, 0xff},
+		{0x3633, 0x10},
+		{0x3634, 0x10},
+		{0x3635, 0x10},
+		{0x3636, 0x10},
+		{0x3663, 0x08},
+		{0x3669, 0x34},
+		{0x366e, 0x10},
+		{0x3706, 0x86},
+		{0x370b, 0x7e},
+		{0x3714, 0x23},
+		{0x3730, 0x12},
+		{0x3733, 0x10},
+		{0x3764, 0x00},
+		{0x3765, 0x00},
+		{0x3769, 0x62},
+		{0x376a, 0x2a},
+		{0x376b, 0x30},
+		{0x3780, 0x00},
+		{0x3781, 0x24},
+		{0x3782, 0x00},
+		{0x3783, 0x23},
+		{0x3798, 0x2f},
+		{0x37a1, 0x60},
+		{0x37a8, 0x6a},
+		{0x37ab, 0x3f},
+		{0x37c2, 0x04},
+		{0x37c3, 0xf1},
+		{0x37c9, 0x80},
+		{0x37cb, 0x16},
+		{0x37cc, 0x16},
+		{0x37cd, 0x16},
+		{0x37ce, 0x16},
+		{0x3800, 0x00},
+		{0x3801, 0x00},
+		{0x3802, 0x00},
+		{0x3803, 0x06},
+		{0x3804, 0x0c},
+		{0x3805, 0xdf},
+		{0x3806, 0x09},
+		{0x3807, 0xa7},
+		{0x3808, 0x0c},
+		{0x3809, 0xd0},
+		{0x380a, 0x09},
+		{0x380b, 0xa0},
+		{0x380c, 0x07},
+		{0x380d, 0x88},
+		{0x380e, 0x09},
+		{0x380f, 0xb8},
+		{0x3810, 0x00},
+		{0x3811, 0x00},
+		{0x3812, 0x00},
+		{0x3813, 0x01},
+		{0x3814, 0x01},
+		{0x3815, 0x01},
+		{0x3816, 0x00},
+		{0x3817, 0x00},
+		{0x3818, 0x00},
+		{0x3819, 0x10},
+		{0x3820, 0x80},
+		{0x3821, 0x46},
+		{0x382a, 0x01},
+		{0x382b, 0x01},
+		{0x3830, 0x06},
+		{0x3836, 0x02},
+		{0x3862, 0x04},
+		{0x3863, 0x08},
+		{0x3cc0, 0x33},
+		{0x3d85, 0x17},
+		{0x3d8c, 0x73},
+		{0x3d8d, 0xde},
+		{0x4001, 0xe0},
+		{0x4003, 0x40},
+		{0x4008, 0x00},
+		{0x4009, 0x0b},
+		{0x400a, 0x00},
+		{0x400b, 0x84},
+		{0x400f, 0x80},
+		{0x4010, 0xf0},
+		{0x4011, 0xff},
+		{0x4012, 0x02},
+		{0x4013, 0x01},
+		{0x4014, 0x01},
+		{0x4015, 0x01},
+		{0x4042, 0x00},
+		{0x4043, 0x80},
+		{0x4044, 0x00},
+		{0x4045, 0x80},
+		{0x4046, 0x00},
+		{0x4047, 0x80},
+		{0x4048, 0x00},
+		{0x4049, 0x80},
+		{0x4041, 0x03},
+		{0x404c, 0x20},
+		{0x404d, 0x00},
+		{0x404e, 0x20},
+		{0x4203, 0x80},
+		{0x4307, 0x30},
+		{0x4317, 0x00},
+		{0x4503, 0x08},
+		{0x4601, 0x80},
+		{0x4800, 0x44},
+		{0x4816, 0x53},
+		{0x481b, 0x58},
+		{0x481f, 0x27},
+		{0x4837, 0x16},
+		{0x483c, 0x0f},
+		{0x484b, 0x05},
+		{0x5000, 0x57},
+		{0x5001, 0x0a},
+		{0x5004, 0x04},
+		{0x502e, 0x03},
+		{0x5030, 0x41},
+		{0x5780, 0x14},
+		{0x5781, 0x0f},
+		{0x5782, 0x44},
+		{0x5783, 0x02},
+		{0x5784, 0x01},
+		{0x5785, 0x01},
+		{0x5786, 0x00},
+		{0x5787, 0x04},
+		{0x5788, 0x02},
+		{0x5789, 0x0f},
+		{0x578a, 0xfd},
+		{0x578b, 0xf5},
+		{0x578c, 0xf5},
+		{0x578d, 0x03},
+		{0x578e, 0x08},
+		{0x578f, 0x0c},
+		{0x5790, 0x08},
+		{0x5791, 0x04},
+		{0x5792, 0x00},
+		{0x5793, 0x52},
+		{0x5794, 0xa3},
+		{0x5795, 0x02},
+		{0x5796, 0x20},
+		{0x5797, 0x20},
+		{0x5798, 0xd5},
+		{0x5799, 0xd5},
+		{0x579a, 0x00},
+		{0x579b, 0x50},
+		{0x579c, 0x00},
+		{0x579d, 0x2c},
+		{0x579e, 0x0c},
+		{0x579f, 0x40},
+		{0x57a0, 0x09},
+		{0x57a1, 0x40},
+		{0x59f8, 0x3d},
+		{0x5a08, 0x02},
+		{0x5b00, 0x02},
+		{0x5b01, 0x10},
+		{0x5b02, 0x03},
+		{0x5b03, 0xcf},
+		{0x5b05, 0x6c},
+		{0x5e00, 0x00}
  };
-static const char * const ov8856_test_pattern_menu[] = {
-	"Disabled",
-	"Standard Color Bar",
-	"Top-Bottom Darker Color Bar",
-	"Right-Left Darker Color Bar",
-	"Bottom-Top Darker Color Bar"
+static const struct ov8856_reg lane_4_mode_1640x1232[] = {
+	/* 1640x1232 resolution */
+		{0x3000, 0x20},
+		{0x3003, 0x08},
+		{0x300e, 0x20},
+		{0x3010, 0x00},
+		{0x3015, 0x84},
+		{0x3018, 0x72},
+		{0x3021, 0x23},
+		{0x3033, 0x24},
+		{0x3500, 0x00},
+		{0x3501, 0x4c},
+		{0x3502, 0xe0},
+		{0x3503, 0x08},
+		{0x3505, 0x83},
+		{0x3508, 0x01},
+		{0x3509, 0x80},
+		{0x350c, 0x00},
+		{0x350d, 0x80},
+		{0x350e, 0x04},
+		{0x350f, 0x00},
+		{0x3510, 0x00},
+		{0x3511, 0x02},
+		{0x3512, 0x00},
+		{0x3600, 0x72},
+		{0x3601, 0x40},
+		{0x3602, 0x30},
+		{0x3610, 0xc5},
+		{0x3611, 0x58},
+		{0x3612, 0x5c},
+		{0x3613, 0xca},
+		{0x3614, 0x20},
+		{0x3628, 0xff},
+		{0x3629, 0xff},
+		{0x362a, 0xff},
+		{0x3633, 0x10},
+		{0x3634, 0x10},
+		{0x3635, 0x10},
+		{0x3636, 0x10},
+		{0x3663, 0x08},
+		{0x3669, 0x34},
+		{0x366e, 0x08},
+		{0x3706, 0x86},
+		{0x370b, 0x7e},
+		{0x3714, 0x27},
+		{0x3730, 0x12},
+		{0x3733, 0x10},
+		{0x3764, 0x00},
+		{0x3765, 0x00},
+		{0x3769, 0x62},
+		{0x376a, 0x2a},
+		{0x376b, 0x30},
+		{0x3780, 0x00},
+		{0x3781, 0x24},
+		{0x3782, 0x00},
+		{0x3783, 0x23},
+		{0x3798, 0x2f},
+		{0x37a1, 0x60},
+		{0x37a8, 0x6a},
+		{0x37ab, 0x3f},
+		{0x37c2, 0x14},
+		{0x37c3, 0xf1},
+		{0x37c9, 0x80},
+		{0x37cb, 0x16},
+		{0x37cc, 0x16},
+		{0x37cd, 0x16},
+		{0x37ce, 0x16},
+		{0x3800, 0x00},
+		{0x3801, 0x00},
+		{0x3802, 0x00},
+		{0x3803, 0x00},
+		{0x3804, 0x0c},
+		{0x3805, 0xdf},
+		{0x3806, 0x09},
+		{0x3807, 0xaf},
+		{0x3808, 0x06},
+		{0x3809, 0x68},
+		{0x380a, 0x04},
+		{0x380b, 0xd0},
+		{0x380c, 0x0e},
+		{0x380d, 0xec},
+		{0x380e, 0x04},
+		{0x380f, 0xe8},
+		{0x3810, 0x00},
+		{0x3811, 0x04},
+		{0x3812, 0x00},
+		{0x3813, 0x05},
+		{0x3814, 0x03},
+		{0x3815, 0x01},
+		{0x3816, 0x00},
+		{0x3817, 0x00},
+		{0x3818, 0x00},
+		{0x3819, 0x10},
+		{0x3820, 0x90},
+		{0x3821, 0x67},
+		{0x382a, 0x03},
+		{0x382b, 0x01},
+		{0x3830, 0x06},
+		{0x3836, 0x02},
+		{0x3862, 0x04},
+		{0x3863, 0x08},
+		{0x3cc0, 0x33},
+		{0x3d85, 0x17},
+		{0x3d8c, 0x73},
+		{0x3d8d, 0xde},
+		{0x4001, 0xe0},
+		{0x4003, 0x40},
+		{0x4008, 0x00},
+		{0x4009, 0x05},
+		{0x400a, 0x00},
+		{0x400b, 0x84},
+		{0x400f, 0x80},
+		{0x4010, 0xf0},
+		{0x4011, 0xff},
+		{0x4012, 0x02},
+		{0x4013, 0x01},
+		{0x4014, 0x01},
+		{0x4015, 0x01},
+		{0x4042, 0x00},
+		{0x4043, 0x80},
+		{0x4044, 0x00},
+		{0x4045, 0x80},
+		{0x4046, 0x00},
+		{0x4047, 0x80},
+		{0x4048, 0x00},
+		{0x4049, 0x80},
+		{0x4041, 0x03},
+		{0x404c, 0x20},
+		{0x404d, 0x00},
+		{0x404e, 0x20},
+		{0x4203, 0x80},
+		{0x4307, 0x30},
+		{0x4317, 0x00},
+		{0x4503, 0x08},
+		{0x4601, 0x80},
+		{0x4800, 0x44},
+		{0x4816, 0x53},
+		{0x481b, 0x58},
+		{0x481f, 0x27},
+		{0x4837, 0x16},
+		{0x483c, 0x0f},
+		{0x484b, 0x05},
+		{0x5000, 0x57},
+		{0x5001, 0x0a},
+		{0x5004, 0x04},
+		{0x502e, 0x03},
+		{0x5030, 0x41},
+		{0x5780, 0x14},
+		{0x5781, 0x0f},
+		{0x5782, 0x44},
+		{0x5783, 0x02},
+		{0x5784, 0x01},
+		{0x5785, 0x01},
+		{0x5786, 0x00},
+		{0x5787, 0x04},
+		{0x5788, 0x02},
+		{0x5789, 0x0f},
+		{0x578a, 0xfd},
+		{0x578b, 0xf5},
+		{0x578c, 0xf5},
+		{0x578d, 0x03},
+		{0x578e, 0x08},
+		{0x578f, 0x0c},
+		{0x5790, 0x08},
+		{0x5791, 0x04},
+		{0x5792, 0x00},
+		{0x5793, 0x52},
+		{0x5794, 0xa3},
+		{0x5795, 0x00},
+		{0x5796, 0x10},
+		{0x5797, 0x10},
+		{0x5798, 0x73},
+		{0x5799, 0x73},
+		{0x579a, 0x00},
+		{0x579b, 0x28},
+		{0x579c, 0x00},
+		{0x579d, 0x16},
+		{0x579e, 0x06},
+		{0x579f, 0x20},
+		{0x57a0, 0x04},
+		{0x57a1, 0xa0},
+		{0x59f8, 0x3d},
+		{0x5a08, 0x02},
+		{0x5b00, 0x02},
+		{0x5b01, 0x10},
+		{0x5b02, 0x03},
+		{0x5b03, 0xcf},
+		{0x5b05, 0x6c},
+		{0x5e00, 0x00}
  };
-static const s64 link_freq_menu_items[] = {
-	OV8856_LINK_FREQ_360MHZ,
-	OV8856_LINK_FREQ_180MHZ
+static const struct ov8856_reg lane_4_mode_3264x2448[] = {
+	/* 3264x2448 resolution */
+		{0x0103, 0x01},
+		{0x0302, 0x3c},
+		{0x0303, 0x01},
+		{0x031e, 0x0c},
+		{0x3000, 0x20},
+		{0x3003, 0x08},
+		{0x300e, 0x20},
+		{0x3010, 0x00},
+		{0x3015, 0x84},
+		{0x3018, 0x72},
+		{0x3021, 0x23},
+		{0x3033, 0x24},
+		{0x3500, 0x00},
+		{0x3501, 0x9a},
+		{0x3502, 0x20},
+		{0x3503, 0x08},
+		{0x3505, 0x83},
+		{0x3508, 0x01},
+		{0x3509, 0x80},
+		{0x350c, 0x00},
+		{0x350d, 0x80},
+		{0x350e, 0x04},
+		{0x350f, 0x00},
+		{0x3510, 0x00},
+		{0x3511, 0x02},
+		{0x3512, 0x00},
+		{0x3600, 0x72},
+		{0x3601, 0x40},
+		{0x3602, 0x30},
+		{0x3610, 0xc5},
+		{0x3611, 0x58},
+		{0x3612, 0x5c},
+		{0x3613, 0xca},
+		{0x3614, 0x60},
+		{0x3628, 0xff},
+		{0x3629, 0xff},
+		{0x362a, 0xff},
+		{0x3633, 0x10},
+		{0x3634, 0x10},
+		{0x3635, 0x10},
+		{0x3636, 0x10},
+		{0x3663, 0x08},
+		{0x3669, 0x34},
+		{0x366d, 0x00},
+		{0x366e, 0x10},
+		{0x3706, 0x86},
+		{0x370b, 0x7e},
+		{0x3714, 0x23},
+		{0x3730, 0x12},
+		{0x3733, 0x10},
+		{0x3764, 0x00},
+		{0x3765, 0x00},
+		{0x3769, 0x62},
+		{0x376a, 0x2a},
+		{0x376b, 0x30},
+		{0x3780, 0x00},
+		{0x3781, 0x24},
+		{0x3782, 0x00},
+		{0x3783, 0x23},
+		{0x3798, 0x2f},
+		{0x37a1, 0x60},
+		{0x37a8, 0x6a},
+		{0x37ab, 0x3f},
+		{0x37c2, 0x04},
+		{0x37c3, 0xf1},
+		{0x37c9, 0x80},
+		{0x37cb, 0x16},
+		{0x37cc, 0x16},
+		{0x37cd, 0x16},
+		{0x37ce, 0x16},
+		{0x3800, 0x00},
+		{0x3801, 0x00},
+		{0x3802, 0x00},
+		{0x3803, 0x0c},
+		{0x3804, 0x0c},
+		{0x3805, 0xdf},
+		{0x3806, 0x09},
+		{0x3807, 0xa3},
+		{0x3808, 0x0c},
+		{0x3809, 0xc0},
+		{0x380a, 0x09},
+		{0x380b, 0x90},
+		{0x380c, 0x07},
+		{0x380d, 0x8c},
+		{0x380e, 0x09},
+		{0x380f, 0xb2},
+		{0x3810, 0x00},
+		{0x3811, 0x04},
+		{0x3812, 0x00},
+		{0x3813, 0x01},
+		{0x3814, 0x01},
+		{0x3815, 0x01},
+		{0x3816, 0x00},
+		{0x3817, 0x00},
+		{0x3818, 0x00},
+		{0x3819, 0x10},
+		{0x3820, 0x80},
+		{0x3821, 0x46},
+		{0x382a, 0x01},
+		{0x382b, 0x01},
+		{0x3830, 0x06},
+		{0x3836, 0x02},
+		{0x3862, 0x04},
+		{0x3863, 0x08},
+		{0x3cc0, 0x33},
+		{0x3d85, 0x17},
+		{0x3d8c, 0x73},
+		{0x3d8d, 0xde},
+		{0x4001, 0xe0},
+		{0x4003, 0x40},
+		{0x4008, 0x00},
+		{0x4009, 0x0b},
+		{0x400a, 0x00},
+		{0x400b, 0x84},
+		{0x400f, 0x80},
+		{0x4010, 0xf0},
+		{0x4011, 0xff},
+		{0x4012, 0x02},
+		{0x4013, 0x01},
+		{0x4014, 0x01},
+		{0x4015, 0x01},
+		{0x4042, 0x00},
+		{0x4043, 0x80},
+		{0x4044, 0x00},
+		{0x4045, 0x80},
+		{0x4046, 0x00},
+		{0x4047, 0x80},
+		{0x4048, 0x00},
+		{0x4049, 0x80},
+		{0x4041, 0x03},
+		{0x404c, 0x20},
+		{0x404d, 0x00},
+		{0x404e, 0x20},
+		{0x4203, 0x80},
+		{0x4307, 0x30},
+		{0x4317, 0x00},
+		{0x4502, 0x50},
+		{0x4503, 0x08},
+		{0x4601, 0x80},
+		{0x4800, 0x44},
+		{0x4816, 0x53},
+		{0x481b, 0x50},
+		{0x481f, 0x27},
+		{0x4823, 0x3c},
+		{0x482b, 0x00},
+		{0x4831, 0x66},
+		{0x4837, 0x16},
+		{0x483c, 0x0f},
+		{0x484b, 0x05},
+		{0x5000, 0x77},
+		{0x5001, 0x0a},
+		{0x5003, 0xc8},
+		{0x5004, 0x04},
+		{0x5006, 0x00},
+		{0x5007, 0x00},
+		{0x502e, 0x03},
+		{0x5030, 0x41},
+		{0x5780, 0x14},
+		{0x5781, 0x0f},
+		{0x5782, 0x44},
+		{0x5783, 0x02},
+		{0x5784, 0x01},
+		{0x5785, 0x01},
+		{0x5786, 0x00},
+		{0x5787, 0x04},
+		{0x5788, 0x02},
+		{0x5789, 0x0f},
+		{0x578a, 0xfd},
+		{0x578b, 0xf5},
+		{0x578c, 0xf5},
+		{0x578d, 0x03},
+		{0x578e, 0x08},
+		{0x578f, 0x0c},
+		{0x5790, 0x08},
+		{0x5791, 0x04},
+		{0x5792, 0x00},
+		{0x5793, 0x52},
+		{0x5794, 0xa3},
+		{0x5795, 0x02},
+		{0x5796, 0x20},
+		{0x5797, 0x20},
+		{0x5798, 0xd5},
+		{0x5799, 0xd5},
+		{0x579a, 0x00},
+		{0x579b, 0x50},
+		{0x579c, 0x00},
+		{0x579d, 0x2c},
+		{0x579e, 0x0c},
+		{0x579f, 0x40},
+		{0x57a0, 0x09},
+		{0x57a1, 0x40},
+		{0x59f8, 0x3d},
+		{0x5a08, 0x02},
+		{0x5b00, 0x02},
+		{0x5b01, 0x10},
+		{0x5b02, 0x03},
+		{0x5b03, 0xcf},
+		{0x5b05, 0x6c},
+		{0x5e00, 0x00},
+		{0x5e10, 0xfc}
  };
-static const struct ov8856_link_freq_config link_freq_configs[] = {
-	[OV8856_LINK_FREQ_720MBPS] = {
-		.reg_list = {
-			.num_of_regs = ARRAY_SIZE(mipi_data_rate_720mbps),
-			.regs = mipi_data_rate_720mbps,
-		}
-	},
-	[OV8856_LINK_FREQ_360MBPS] = {
-		.reg_list = {
-			.num_of_regs = ARRAY_SIZE(mipi_data_rate_360mbps),
-			.regs = mipi_data_rate_360mbps,
-		}
-	}
+static const struct ov8856_reg lane_4_mode_1632x1224[] = {
+	/* 1632x1224 resolution */
+		{0x0103, 0x01},
+		{0x0302, 0x3c},
+		{0x0303, 0x01},
+		{0x031e, 0x0c},
+		{0x3000, 0x20},
+		{0x3003, 0x08},
+		{0x300e, 0x20},
+		{0x3010, 0x00},
+		{0x3015, 0x84},
+		{0x3018, 0x72},
+		{0x3021, 0x23},
+		{0x3033, 0x24},
+		{0x3500, 0x00},
+		{0x3501, 0x4c},
+		{0x3502, 0xe0},
+		{0x3503, 0x08},
+		{0x3505, 0x83},
+		{0x3508, 0x01},
+		{0x3509, 0x80},
+		{0x350c, 0x00},
+		{0x350d, 0x80},
+		{0x350e, 0x04},
+		{0x350f, 0x00},
+		{0x3510, 0x00},
+		{0x3511, 0x02},
+		{0x3512, 0x00},
+		{0x3600, 0x72},
+		{0x3601, 0x40},
+		{0x3602, 0x30},
+		{0x3610, 0xc5},
+		{0x3611, 0x58},
+		{0x3612, 0x5c},
+		{0x3613, 0xca},
+		{0x3614, 0x60},
+		{0x3628, 0xff},
+		{0x3629, 0xff},
+		{0x362a, 0xff},
+		{0x3633, 0x10},
+		{0x3634, 0x10},
+		{0x3635, 0x10},
+		{0x3636, 0x10},
+		{0x3663, 0x08},
+		{0x3669, 0x34},
+		{0x366d, 0x00},
+		{0x366e, 0x08},
+		{0x3706, 0x86},
+		{0x370b, 0x7e},
+		{0x3714, 0x27},
+		{0x3730, 0x12},
+		{0x3733, 0x10},
+		{0x3764, 0x00},
+		{0x3765, 0x00},
+		{0x3769, 0x62},
+		{0x376a, 0x2a},
+		{0x376b, 0x30},
+		{0x3780, 0x00},
+		{0x3781, 0x24},
+		{0x3782, 0x00},
+		{0x3783, 0x23},
+		{0x3798, 0x2f},
+		{0x37a1, 0x60},
+		{0x37a8, 0x6a},
+		{0x37ab, 0x3f},
+		{0x37c2, 0x14},
+		{0x37c3, 0xf1},
+		{0x37c9, 0x80},
+		{0x37cb, 0x16},
+		{0x37cc, 0x16},
+		{0x37cd, 0x16},
+		{0x37ce, 0x16},
+		{0x3800, 0x00},
+		{0x3801, 0x00},
+		{0x3802, 0x00},
+		{0x3803, 0x0c},
+		{0x3804, 0x0c},
+		{0x3805, 0xdf},
+		{0x3806, 0x09},
+		{0x3807, 0xa3},
+		{0x3808, 0x06},
+		{0x3809, 0x60},
+		{0x380a, 0x04},
+		{0x380b, 0xc8},
+		{0x380c, 0x07},
+		{0x380d, 0x8c},
+		{0x380e, 0x09},
+		{0x380f, 0xb2},
+		{0x3810, 0x00},
+		{0x3811, 0x02},
+		{0x3812, 0x00},
+		{0x3813, 0x01},
+		{0x3814, 0x03},
+		{0x3815, 0x01},
+		{0x3816, 0x00},
+		{0x3817, 0x00},
+		{0x3818, 0x00},
+		{0x3819, 0x10},
+		{0x3820, 0x80},
+		{0x3821, 0x47},
+		{0x382a, 0x03},
+		{0x382b, 0x01},
+		{0x3830, 0x06},
+		{0x3836, 0x02},
+		{0x3862, 0x04},
+		{0x3863, 0x08},
+		{0x3cc0, 0x33},
+		{0x3d85, 0x17},
+		{0x3d8c, 0x73},
+		{0x3d8d, 0xde},
+		{0x4001, 0xe0},
+		{0x4003, 0x40},
+		{0x4008, 0x00},
+		{0x4009, 0x05},
+		{0x400a, 0x00},
+		{0x400b, 0x84},
+		{0x400f, 0x80},
+		{0x4010, 0xf0},
+		{0x4011, 0xff},
+		{0x4012, 0x02},
+		{0x4013, 0x01},
+		{0x4014, 0x01},
+		{0x4015, 0x01},
+		{0x4042, 0x00},
+		{0x4043, 0x80},
+		{0x4044, 0x00},
+		{0x4045, 0x80},
+		{0x4046, 0x00},
+		{0x4047, 0x80},
+		{0x4048, 0x00},
+		{0x4049, 0x80},
+		{0x4041, 0x03},
+		{0x404c, 0x20},
+		{0x404d, 0x00},
+		{0x404e, 0x20},
+		{0x4203, 0x80},
+		{0x4307, 0x30},
+		{0x4317, 0x00},
+		{0x4502, 0x50},
+		{0x4503, 0x08},
+		{0x4601, 0x80},
+		{0x4800, 0x44},
+		{0x4816, 0x53},
+		{0x481b, 0x50},
+		{0x481f, 0x27},
+		{0x4823, 0x3c},
+		{0x482b, 0x00},
+		{0x4831, 0x66},
+		{0x4837, 0x16},
+		{0x483c, 0x0f},
+		{0x484b, 0x05},
+		{0x5000, 0x77},
+		{0x5001, 0x0a},
+		{0x5003, 0xc8},
+		{0x5004, 0x04},
+		{0x5006, 0x00},
+		{0x5007, 0x00},
+		{0x502e, 0x03},
+		{0x5030, 0x41},
+		{0x5795, 0x00},
+		{0x5796, 0x10},
+		{0x5797, 0x10},
+		{0x5798, 0x73},
+		{0x5799, 0x73},
+		{0x579a, 0x00},
+		{0x579b, 0x28},
+		{0x579c, 0x00},
+		{0x579d, 0x16},
+		{0x579e, 0x06},
+		{0x579f, 0x20},
+		{0x57a0, 0x04},
+		{0x57a1, 0xa0},
+		{0x5780, 0x14},
+		{0x5781, 0x0f},
+		{0x5782, 0x44},
+		{0x5783, 0x02},
+		{0x5784, 0x01},
+		{0x5785, 0x01},
+		{0x5786, 0x00},
+		{0x5787, 0x04},
+		{0x5788, 0x02},
+		{0x5789, 0x0f},
+		{0x578a, 0xfd},
+		{0x578b, 0xf5},
+		{0x578c, 0xf5},
+		{0x578d, 0x03},
+		{0x578e, 0x08},
+		{0x578f, 0x0c},
+		{0x5790, 0x08},
+		{0x5791, 0x04},
+		{0x5792, 0x00},
+		{0x5793, 0x52},
+		{0x5794, 0xa3},
+		{0x59f8, 0x3d},
+		{0x5a08, 0x02},
+		{0x5b00, 0x02},
+		{0x5b01, 0x10},
+		{0x5b02, 0x03},
+		{0x5b03, 0xcf},
+		{0x5b05, 0x6c},
+		{0x5e00, 0x00},
+		{0x5e10, 0xfc}
  };
-static const struct ov8856_mode supported_modes[] = {
-	{
-		.width = 3280,
-		.height = 2464,
-		.hts = 1928,
-		.vts_def = 2488,
-		.vts_min = 2488,
-		.reg_list = {
-			.num_of_regs = ARRAY_SIZE(mode_3280x2464_regs),
-			.regs = mode_3280x2464_regs,
-		},
-		.link_freq_index = OV8856_LINK_FREQ_720MBPS,
-	},
-	{
-		.width = 3264,
-		.height = 2448,
-		.hts = 1932,
-		.vts_def = 2482,
-		.vts_min = 2482,
-		.reg_list = {
-			.num_of_regs = ARRAY_SIZE(mode_3264x2448_regs),
-			.regs = mode_3264x2448_regs,
-		},
-		.link_freq_index = OV8856_LINK_FREQ_720MBPS,
-	},
-	{
-		.width = 1640,
-		.height = 1232,
-		.hts = 3820,
-		.vts_def = 1256,
-		.vts_min = 1256,
-		.reg_list = {
-			.num_of_regs = ARRAY_SIZE(mode_1640x1232_regs),
-			.regs = mode_1640x1232_regs,
-		},
-		.link_freq_index = OV8856_LINK_FREQ_360MBPS,
-	},
-	{
-		.width = 1632,
-		.height = 1224,
-		.hts = 1932,
-		.vts_def = 2482,
-		.vts_min = 2482,
-		.reg_list = {
-			.num_of_regs = ARRAY_SIZE(mode_1632x1224_regs),
-			.regs = mode_1632x1224_regs,
-		},
-		.link_freq_index = OV8856_LINK_FREQ_360MBPS,
-	}
+static const char * const ov8856_test_pattern_menu[] = {
+	"Disabled",
+	"Standard Color Bar",
+	"Top-Bottom Darker Color Bar",
+	"Right-Left Darker Color Bar",
+	"Bottom-Top Darker Color Bar"
  };
struct ov8856 {
@@ -1037,20 +1383,173 @@ struct ov8856 {
/* Streaming on/off */
  	bool streaming;
+
+	/* lanes index */
+	u8 nlanes;
+
+	const struct ov8856_lane_cfg *priv_lane;
+	u8 modes_size;
+};
+
+struct ov8856_lane_cfg {
+	const s64 link_freq_menu_items[2];
+	const struct ov8856_link_freq_config link_freq_configs[2];
+	const struct ov8856_mode supported_modes[4];
+};
+
+static const struct ov8856_lane_cfg lane_cfg_2 = {
+	{
+		720000000,
+		360000000,
+	},
+	{{
+		.reg_list = {
+			.num_of_regs =
+			ARRAY_SIZE(mipi_data_rate_lane_2.regs_0),
+			.regs = mipi_data_rate_lane_2.regs_0,
+		}
+	},
+	{
+		.reg_list = {
+			.num_of_regs =
+			ARRAY_SIZE(mipi_data_rate_lane_2.regs_1),
+			.regs = mipi_data_rate_lane_2.regs_1,
+		}
+	}},
+	{{
+		.width = 3280,
+		.height = 2464,
+		.hts = 1928,
+		.vts_def = 2488,
+		.vts_min = 2488,
+		.reg_list = {
+			.num_of_regs =
+			ARRAY_SIZE(lane_2_mode_3280x2464),
+			.regs = lane_2_mode_3280x2464,
+		},
+		.link_freq_index = 0,
+		.data_lanes = 2,
+	},
+	{
+		.width = 1640,
+		.height = 1232,
+		.hts = 3168,
+		.vts_def = 1514,
+		.vts_min = 1514,
+		.reg_list = {
+			.num_of_regs =
+			ARRAY_SIZE(lane_2_mode_1640x1232),
+			.regs = lane_2_mode_1640x1232,
+		},
+		.link_freq_index = 1,
+		.data_lanes = 2,
+	}}
  };
-static u64 to_pixel_rate(u32 f_index)
+static const struct ov8856_lane_cfg lane_cfg_4 = {
+		{
+			360000000,
+			180000000,
+		},
+		{{
+			.reg_list = {
+				.num_of_regs =
+				 ARRAY_SIZE(mipi_data_rate_lane_4.regs_0),
+				.regs = mipi_data_rate_lane_4.regs_0,
+			}
+		},
+		{
+			.reg_list = {
+				.num_of_regs =
+				 ARRAY_SIZE(mipi_data_rate_lane_4.regs_1),
+				.regs = mipi_data_rate_lane_4.regs_1,
+			}
+		}},
+		{{
+			.width = 3280,
+			.height = 2464,
+			.hts = 1928,
+			.vts_def = 2488,
+			.vts_min = 2488,
+			.reg_list = {
+				.num_of_regs =
+				 ARRAY_SIZE(lane_4_mode_3280x2464),
+				.regs = lane_4_mode_3280x2464,
+			},
+			.link_freq_index = 0,
+			.data_lanes = 4,
+		},
+		{
+			.width = 1640,
+			.height = 1232,
+			.hts = 3820,
+			.vts_def = 1256,
+			.vts_min = 1256,
+			.reg_list = {
+				.num_of_regs =
+				 ARRAY_SIZE(lane_4_mode_1640x1232),
+				.regs = lane_4_mode_1640x1232,
+			},
+			.link_freq_index = 1,
+			.data_lanes = 4,
+		},
+		{
+			.width = 3264,
+			.height = 2448,
+			.hts = 1932,
+			.vts_def = 2482,
+			.vts_min = 2482,
+			.reg_list = {
+				.num_of_regs =
+				 ARRAY_SIZE(lane_4_mode_3264x2448),
+				.regs = lane_4_mode_3264x2448,
+			},
+			.link_freq_index = 0,
+			.data_lanes = 4,
+		},
+		{
+			.width = 1632,
+			.height = 1224,
+			.hts = 1932,
+			.vts_def = 2482,
+			.vts_min = 2482,
+			.reg_list = {
+				.num_of_regs =
+				 ARRAY_SIZE(lane_4_mode_1632x1224),
+				.regs = lane_4_mode_1632x1224,
+			},
+			.link_freq_index = 1,
+			.data_lanes = 4,
+		}}
+};
+
+static unsigned int ov8856_modes_num(const struct ov8856 *ov8856)
  {
-	u64 pixel_rate = link_freq_menu_items[f_index] * 2 * OV8856_DATA_LANES;
+	unsigned int i, count = 0;
+
+	for (i = 0; i < ARRAY_SIZE(ov8856->priv_lane->supported_modes); i++) {
+		if (ov8856->priv_lane->supported_modes[i].width == 0)
+			break;
+		count++;
+	}
+
+	return count;
+}
+
+static u64 to_rate(const s64 *link_freq_menu_items,
+		   u32 f_index, u8 nlanes)
+{
+	u64 pixel_rate = link_freq_menu_items[f_index] * 2 * nlanes;
do_div(pixel_rate, OV8856_RGB_DEPTH); return pixel_rate;
  }
-static u64 to_pixels_per_line(u32 hts, u32 f_index)
+static u64 to_pixels_per_line(const s64 *link_freq_menu_items, u32 hts,
+			      u32 f_index, u8 nlanes)
  {
-	u64 ppl = hts * to_pixel_rate(f_index);
+	u64 ppl = hts * to_rate(link_freq_menu_items, f_index, nlanes);
do_div(ppl, OV8856_SCLK); @@ -1229,23 +1728,32 @@ static int ov8856_init_controls(struct ov8856 *ov8856)
  	ctrl_hdlr->lock = &ov8856->mutex;
  	ov8856->link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr, &ov8856_ctrl_ops,
  					   V4L2_CID_LINK_FREQ,
-					   ARRAY_SIZE(link_freq_menu_items) - 1,
-					   0, link_freq_menu_items);
+					   ARRAY_SIZE
+					   (ov8856->priv_lane->link_freq_menu_items)
+					   - 1,
+					   0, ov8856->priv_lane->link_freq_menu_items);
  	if (ov8856->link_freq)
  		ov8856->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
ov8856->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &ov8856_ctrl_ops,
  				       V4L2_CID_PIXEL_RATE, 0,
-				       to_pixel_rate(OV8856_LINK_FREQ_720MBPS),
-				       1,
-				       to_pixel_rate(OV8856_LINK_FREQ_720MBPS));
+				       to_rate(ov8856->priv_lane->link_freq_menu_items,
+					       0,
+					       ov8856->cur_mode->data_lanes), 1,
+				       to_rate(ov8856->priv_lane->link_freq_menu_items,
+					       0,
+					       ov8856->cur_mode->data_lanes));
  	ov8856->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov8856_ctrl_ops,
  			  V4L2_CID_VBLANK,
  			  ov8856->cur_mode->vts_min - ov8856->cur_mode->height,
  			  OV8856_VTS_MAX - ov8856->cur_mode->height, 1,
-			  ov8856->cur_mode->vts_def - ov8856->cur_mode->height);
-	h_blank = to_pixels_per_line(ov8856->cur_mode->hts,
-		  ov8856->cur_mode->link_freq_index) - ov8856->cur_mode->width;
+			  ov8856->cur_mode->vts_def -
+			  ov8856->cur_mode->height);
+	h_blank = to_pixels_per_line(ov8856->priv_lane->link_freq_menu_items,
+				     ov8856->cur_mode->hts,
+				     ov8856->cur_mode->link_freq_index,
+				     ov8856->cur_mode->data_lanes) -
+				     ov8856->cur_mode->width;
  	ov8856->hblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov8856_ctrl_ops,
  					   V4L2_CID_HBLANK, h_blank, h_blank, 1,
  					   h_blank);
@@ -1292,7 +1800,8 @@ static int ov8856_start_streaming(struct ov8856 *ov8856)
  	int link_freq_index, ret;
link_freq_index = ov8856->cur_mode->link_freq_index;
-	reg_list = &link_freq_configs[link_freq_index].reg_list;
+	reg_list = &ov8856->priv_lane->link_freq_configs[link_freq_index].reg_list;
+
  	ret = ov8856_write_reg_list(ov8856, reg_list);
  	if (ret) {
  		dev_err(&client->dev, "failed to set plls");
@@ -1462,9 +1971,9 @@ static int ov8856_set_format(struct v4l2_subdev *sd,
  	const struct ov8856_mode *mode;
  	s32 vblank_def, h_blank;
- mode = v4l2_find_nearest_size(supported_modes,
-				      ARRAY_SIZE(supported_modes), width,
-				      height, fmt->format.width,
+	mode = v4l2_find_nearest_size(ov8856->priv_lane->supported_modes,
+				      ov8856->modes_size,
+				      width, height, fmt->format.width,
  				      fmt->format.height);
mutex_lock(&ov8856->mutex);
@@ -1475,7 +1984,9 @@ static int ov8856_set_format(struct v4l2_subdev *sd,
  		ov8856->cur_mode = mode;
  		__v4l2_ctrl_s_ctrl(ov8856->link_freq, mode->link_freq_index);
  		__v4l2_ctrl_s_ctrl_int64(ov8856->pixel_rate,
-					 to_pixel_rate(mode->link_freq_index));
+					 to_rate(ov8856->priv_lane->link_freq_menu_items,
+						 mode->link_freq_index,
+						 ov8856->cur_mode->data_lanes));
/* Update limits and set FPS to default */
  		vblank_def = mode->vts_def - mode->height;
@@ -1484,8 +1995,11 @@ static int ov8856_set_format(struct v4l2_subdev *sd,
  					 OV8856_VTS_MAX - mode->height, 1,
  					 vblank_def);
  		__v4l2_ctrl_s_ctrl(ov8856->vblank, vblank_def);
-		h_blank = to_pixels_per_line(mode->hts, mode->link_freq_index) -
-			  mode->width;
+		h_blank = to_pixels_per_line(ov8856->priv_lane->link_freq_menu_items,
+					     mode->hts,
+					     mode->link_freq_index,
+					     ov8856->cur_mode->data_lanes)
+					     - mode->width;
  		__v4l2_ctrl_modify_range(ov8856->hblank, h_blank, h_blank, 1,
  					 h_blank);
  	}
@@ -1530,15 +2044,17 @@ static int ov8856_enum_frame_size(struct v4l2_subdev *sd,
  				  struct v4l2_subdev_pad_config *cfg,
  				  struct v4l2_subdev_frame_size_enum *fse)
  {
-	if (fse->index >= ARRAY_SIZE(supported_modes))
+	struct ov8856 *ov8856 = to_ov8856(sd);
+
+	if (fse->index >= ov8856->modes_size)
  		return -EINVAL;
if (fse->code != MEDIA_BUS_FMT_SGRBG10_1X10)
  		return -EINVAL;
- fse->min_width = supported_modes[fse->index].width;
+	fse->min_width = ov8856->priv_lane->supported_modes[fse->index].width;
  	fse->max_width = fse->min_width;
-	fse->min_height = supported_modes[fse->index].height;
+	fse->min_height = ov8856->priv_lane->supported_modes[fse->index].height;
  	fse->max_height = fse->min_height;
return 0;
@@ -1549,7 +2065,7 @@ static int ov8856_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
  	struct ov8856 *ov8856 = to_ov8856(sd);
mutex_lock(&ov8856->mutex);
-	ov8856_update_pad_format(&supported_modes[0],
+	ov8856_update_pad_format(&ov8856->priv_lane->supported_modes[0],
  				 v4l2_subdev_get_try_format(sd, fh->pad, 0));
  	mutex_unlock(&ov8856->mutex);
@@ -1696,29 +2212,40 @@ static int ov8856_get_hwcfg(struct ov8856 *ov8856, struct device *dev)
  	if (ret)
  		return ret;
- if (bus_cfg.bus.mipi_csi2.num_data_lanes != OV8856_DATA_LANES) {
+	/* Get number of data lanes */
+	if (bus_cfg.bus.mipi_csi2.num_data_lanes != 2 &&
+	    bus_cfg.bus.mipi_csi2.num_data_lanes != 4) {
  		dev_err(dev, "number of CSI2 data lanes %d is not supported",
  			bus_cfg.bus.mipi_csi2.num_data_lanes);
  		ret = -EINVAL;
  		goto check_hwcfg_error;
  	}
+ dev_dbg(dev, "Using %u data lanes\n", ov8856->cur_mode->data_lanes);
+
+	if (bus_cfg.bus.mipi_csi2.num_data_lanes == 2)
+		ov8856->priv_lane = &lane_cfg_2;
+	else
+		ov8856->priv_lane = &lane_cfg_4;
+
+	ov8856->modes_size = ov8856_modes_num(ov8856);
+
  	if (!bus_cfg.nr_of_link_frequencies) {
  		dev_err(dev, "no link frequencies defined");
  		ret = -EINVAL;
  		goto check_hwcfg_error;
  	}
- for (i = 0; i < ARRAY_SIZE(link_freq_menu_items); i++) {
+	for (i = 0; i < ARRAY_SIZE(ov8856->priv_lane->link_freq_menu_items); i++) {
  		for (j = 0; j < bus_cfg.nr_of_link_frequencies; j++) {
-			if (link_freq_menu_items[i] ==
-				bus_cfg.link_frequencies[j])
+			if (ov8856->priv_lane->link_freq_menu_items[i] ==
+			    bus_cfg.link_frequencies[j])
  				break;
  		}
if (j == bus_cfg.nr_of_link_frequencies) {
  			dev_err(dev, "no link frequency %lld supported",
-				link_freq_menu_items[i]);
+				ov8856->priv_lane->link_freq_menu_items[i]);
  			ret = -EINVAL;
  			goto check_hwcfg_error;
  		}
@@ -1777,7 +2304,7 @@ static int ov8856_probe(struct i2c_client *client)
  	}
mutex_init(&ov8856->mutex);
-	ov8856->cur_mode = &supported_modes[0];
+	ov8856->cur_mode = &ov8856->priv_lane->supported_modes[0];
  	ret = ov8856_init_controls(ov8856);
  	if (ret) {
  		dev_err(&client->dev, "failed to init controls: %d", ret);





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