--- /dev/null
+/*
+ * OmniVision OV5650 sensor driver
+ *
+ * Copyright (c) 2013, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/videodev2.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/log2.h>
+#include <linux/delay.h>
+#include <linux/module.h>
+
+#include <media/v4l2-device.h>
+#include <media/v4l2-subdev.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-chip-ident.h>
+#include <media/soc_camera.h>
+
+#include <media/ov5650.h>
+
+#define SIZEOF_I2C_TRANSBUF 32
+
+struct ov5650_priv {
+ struct v4l2_subdev subdev;
+ struct v4l2_mbus_framefmt mf;
+ const struct ov5650_platform_data *pdata;
+
+ int ident;
+ u16 chip_id;
+ u8 revision;
+
+ int mode;
+
+ struct i2c_client *client;
+ u8 i2c_trans_buf[SIZEOF_I2C_TRANSBUF];
+};
+
+static struct ov5650_priv *to_ov5650(const struct v4l2_subdev *sd)
+{
+ return container_of(sd, struct ov5650_priv, subdev);
+}
+
+/**
+ * struct ov5650_reg - ov5650 register format
+ * @addr: 16-bit offset to register
+ * @val: 8/16/32-bit register value
+ *
+ * Define a structure for OV5650 register initialization values
+ */
+struct ov5650_reg {
+ u16 addr;
+ u16 val;
+};
+
+#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}
+};
+
+enum {
+ TP_NONE = 1,
+ TP_COLORBARS = 2,
+ TP_CHECKER = 3,
+};
+
+static int test_mode;
+module_param(test_mode, int, 0644);
+
+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, 0x06},
+ {0x5001, 0x00},
+ {0x5002, 0x00},
+ {0x503d, 0x00},
+ {0x5046, 0x00},
+
+ {0x300f, 0x8f},
+
+ {0x3010, 0x10},
+ {0x3011, 0x14},
+ {0x3012, 0x02},
+ {0x3815, 0x82},
+ {0x3503, 0x00},
+ {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, 0x62},
+ {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},
+
+ {0x5001, 0x00},
+ {0x5002, 0x00},
+ {0x503d, 0x00},
+ {0x5046, 0x00},
+
+ {0x300f, 0x8f},
+
+ {0x3010, 0x10},
+ {0x3011, 0x14},
+ {0x3012, 0x02},
+ {0x3503, 0x00},
+
+
+ {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},
+
+ {0x5001, 0x00},
+ {0x5002, 0x00},
+ {0x503d, 0x00},
+ {0x5046, 0x00},
+
+ {0x300f, 0x8f},
+ {0x3010, 0x10},
+ {0x3011, 0x14},
+ {0x3012, 0x02},
+ {0x3503, 0x00},
+
+ {0x3621, 0x2f},
+ {0x3703, 0xe6},
+ {0x370c, 0x00},
+ {0x370d, 0x04},
+ {0x3713, 0x22},
+ {0x3714, 0x27},
+ {0x3705, 0xda},
+ {0x370a, 0x80},
+
+ {0x3800, 0x02},
+ {0x3801, 0x94},
+ {0x3802, 0x00},
+ {0x3803, 0x00},
+ {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_1280x720[] = {
+ {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, 0xdb},
+ {0x370a, 0x81},
+ {0x370c, 0x00},
+ {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},
+ {0x3804, 0x05},
+ {0x3805, 0x00},
+ {0x3806, 0x02},
+ {0x3807, 0xd0},
+ {0x3808, 0x05},
+ {0x3809, 0x00},
+ {0x380a, 0x02},
+ {0x380b, 0xd0},
+ {0x380c, 0x08},
+ {0x380d, 0x72},
+ {0x380e, 0x02},
+ {0x380f, 0xe4},
+ {0x3815, 0x81},
+ {0x381c, 0x10},
+ {0x381d, 0x82},
+ {0x381e, 0x05},
+ {0x381f, 0xc0},
+ {0x3821, 0x20},
+ {0x3824, 0x23},
+ {0x3825, 0x2c},
+ {0x3826, 0x00},
+ {0x3827, 0x0c},
+ {0x3a08, 0x1b},
+ {0x3a09, 0xc0},
+ {0x3a0a, 0x17},
+ {0x3a0b, 0x20},
+ {0x3a0d, 0x01},
+ {0x3a0e, 0x01},
+ {0x3a1a, 0x06},
+ {0x3503, 0x00},
+ {0x3623, 0x01},
+ {0x3633, 0x24},
+ {0x3c01, 0x34},
+ {0x3c04, 0x28},
+ {0x3c05, 0x98},
+ {0x3c07, 0x07},
+ {0x3c09, 0xc2},
+ {0x4000, 0x05},
+ {0x401d, 0x28},
+ {0x4001, 0x02},
+ {0x401c, 0x42},
+ {0x5046, 0x09},
+ {0x3810, 0x40},
+ {0x3836, 0x41},
+ {0x505f, 0x04},
+ {0x5000, 0xfe},
+ {0x5001, 0x01},
+ {0x5002, 0x00},
+ {0x503d, 0x00}, /* bit[7]=1 enable test_pattern */
+ {0x5901, 0x00},
+ {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, 0xc1},
+ {0x3631, 0x36},
+ {0x3632, 0x5f},
+ {0x3711, 0x24},
+ {0x401f, 0x03},
+ {0x3008, 0x02},
+
+ {0x3011, 0x14},
+ {0x3007, 0x3B},
+ {0x4801, 0x0f},
+ {0x3003, 0x03},
+ {0x300e, 0x0c},
+ {0x4803, 0x50},
+ {0x4800, 0x04}, /* bit[5]=0 as CSI continuous clock */
+ {0x300f, 0x8f},
+ {0x3010, 0x10},
+ {0x3815, 0x82},
+ {0x3003, 0x01},
+
+
+ {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},
+
+ {0x3500, 0x00},
+ {0x3501, 0x13},
+ {0x3502, 0x80},
+ {0x350b, 0x7f},
+
+ {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, 0x00},
+ {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},
+ {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_2080x1164,
+ OV5650_MODE_1920x1080,
+ OV5650_MODE_1296x972,
+ OV5650_MODE_1280x720,
+ OV5650_MODE_1264x704,
+ OV5650_MODE_320x240,
+ OV5650_MODE_INVALID
+};
+
+static struct ov5650_reg *mode_table[] = {
+ [OV5650_MODE_2592x1944] = mode_2592x1944,
+ [OV5650_MODE_2080x1164] = mode_2080x1164,
+ [OV5650_MODE_1920x1080] = mode_1920x1080,
+ [OV5650_MODE_1296x972] = mode_1296x972,
+ [OV5650_MODE_1280x720] = mode_1280x720,
+ [OV5650_MODE_1264x704] = mode_1264x704,
+ [OV5650_MODE_320x240] = mode_320x240
+};
+
+static const struct v4l2_frmsize_discrete ov5650_frmsizes[] = {
+ {2592, 1944},
+ {2080, 1164},
+ {1920, 1080},
+ {1296, 972},
+ {1280, 720},
+ {1264, 704},
+ {320, 240},
+};
+
+static int ov5650_find_mode(u32 width, u32 height)
+{
+ if (width == 2592 && height == 1944)
+ return OV5650_MODE_2592x1944;
+ else if (width == 2080 && height == 1164)
+ return OV5650_MODE_2080x1164;
+ else if (width == 1920 && height == 1080)
+ return OV5650_MODE_1920x1080;
+ else if (width == 1296 && height == 972)
+ return OV5650_MODE_1296x972;
+ else if (width == 1280 && height == 720)
+ return OV5650_MODE_1280x720;
+ else if (width == 1264 && height == 704)
+ return OV5650_MODE_1264x704;
+ else if (width == 320 && height == 240)
+ return OV5650_MODE_320x240;
+ else {
+ pr_err("ov5650: %dx%d is not supported\n", width, height);
+ return OV5650_MODE_2592x1944;
+ }
+}
+
+/**
+ * ov5650_reg_read - Read a value from a register in an ov5650 sensor device
+ * @client: i2c driver client structure
+ * @reg: register address / offset
+ * @val: stores the value that gets read
+ *
+ * Read a value from a register in an ov5650 sensor device.
+ * The value is returned in 'val'.
+ * Returns zero if successful, or non-zero otherwise.
+ */
+static int ov5650_reg_read(struct i2c_client *client, u16 reg, u8 *val)
+{
+ int ret;
+ u8 data[2] = {0};
+ struct i2c_msg msg = {
+ .addr = client->addr,
+ .flags = 0,
+ .len = 2,
+ .buf = data,
+ };
+
+ data[0] = (u8)(reg >> 8);
+ data[1] = (u8)(reg & 0xff);
+
+ ret = i2c_transfer(client->adapter, &msg, 1);
+ if (ret < 0)
+ goto err;
+
+ msg.flags = I2C_M_RD;
+ msg.len = 1;
+ ret = i2c_transfer(client->adapter, &msg, 1);
+ if (ret < 0)
+ goto err;
+
+ *val = data[0];
+ return 0;
+
+err:
+ dev_err(&client->dev, "Failed reading register 0x%02x!\n", reg);
+ return ret;
+}
+
+/**
+ * Write a value to a register in ov5650 sensor device.
+ * @client: i2c driver client structure.
+ * @reg: Address of the register to read value from.
+ * @val: Value to be written to a specific register.
+ * Returns zero if successful, or non-zero otherwise.
+ */
+static int ov5650_reg_write(struct i2c_client *client, u16 reg, u8 val)
+{
+ int ret;
+ unsigned char data[3] = { (u8)(reg >> 8), (u8)(reg & 0xff), val };
+ struct i2c_msg msg = {
+ .addr = client->addr,
+ .flags = 0,
+ .len = 3,
+ .buf = data,
+ };
+
+ ret = i2c_transfer(client->adapter, &msg, 1);
+ if (ret < 0) {
+ dev_err(&client->dev, "Failed writing register 0x%02x!\n", reg);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int ov5650_write_bulk_reg(struct ov5650_priv *priv, int len)
+{
+ struct i2c_client *client = priv->client;
+ u8 *data = priv->i2c_trans_buf;
+ 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) {
+ dev_err(&client->dev, "I2C bulk transfer failed at %x\n",
+ (int)data[0] << 8 | data[1]);
+ return err;
+ }
+
+ return 0;
+}
+
+static int ov5650_write_table(struct ov5650_priv *priv,
+ const struct ov5650_reg table[])
+{
+ int err;
+ const struct ov5650_reg *next, *n_next;
+ u8 *b_ptr = priv->i2c_trans_buf;
+ unsigned int buf_filled = 0;
+ 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;
+
+ if (!buf_filled) {
+ b_ptr = priv->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(priv, buf_filled);
+ if (err)
+ return err;
+
+ buf_filled = 0;
+ }
+ return 0;
+}
+
+/* -----------------------------------------------------------------------------
+ * V4L2 subdev internal operations
+ */
+
+static void ov5650_set_default_fmt(struct ov5650_priv *priv)
+{
+ struct v4l2_mbus_framefmt *mf = &priv->mf;
+
+ mf->width = ov5650_frmsizes[OV5650_MODE_2592x1944].width;
+ mf->height = ov5650_frmsizes[OV5650_MODE_2592x1944].height;
+ mf->code = V4L2_MBUS_FMT_SBGGR10_1X10;
+ mf->field = V4L2_FIELD_NONE;
+ mf->colorspace = V4L2_COLORSPACE_SRGB;
+}
+
+static int ov5650_s_stream(struct v4l2_subdev *sd, int enable)
+{
+ struct ov5650_priv *priv = to_ov5650(sd);
+ int ret = 0;
+
+ if (!enable) {
+ ov5650_set_default_fmt(priv);
+ return 0;
+ }
+
+ ret = ov5650_write_table(priv, reset_seq);
+ if (ret)
+ return ret;
+
+ ret = ov5650_write_table(priv, mode_start);
+ if (ret)
+ return ret;
+
+ ret = ov5650_write_table(priv, mode_table[priv->mode]);
+ if (ret)
+ return ret;
+
+ ret = ov5650_write_table(priv, mode_end);
+ if (ret)
+ return ret;
+
+ switch (test_mode) {
+ case TP_NONE:
+ ret = ov5650_write_table(priv, tp_none_seq);
+ break;
+ case TP_COLORBARS:
+ ret = ov5650_write_table(priv, tp_cbars_seq);
+ break;
+ case TP_CHECKER:
+ ret = ov5650_write_table(priv, tp_checker_seq);
+ break;
+ }
+ if (ret)
+ return ret;
+
+ return ret;
+}
+
+static int ov5650_s_fmt(struct v4l2_subdev *sd,
+ struct v4l2_mbus_framefmt *mf)
+{
+ struct ov5650_priv *priv = to_ov5650(sd);
+
+ priv->mode = ov5650_find_mode(mf->width, mf->height);
+ memcpy(&priv->mf, mf, sizeof(struct v4l2_mbus_framefmt));
+
+ return 0;
+}
+
+static int ov5650_s_power(struct v4l2_subdev *sd, int on)
+{
+ struct ov5650_priv *priv = to_ov5650(sd);
+
+ if (on)
+ ov5650_s_fmt(sd, &priv->mf);
+
+ ov5650_s_stream(sd, on);
+
+ return 0;
+}
+
+static int ov5650_try_fmt(struct v4l2_subdev *sd,
+ struct v4l2_mbus_framefmt *mf)
+{
+ int mode;
+
+ mode = ov5650_find_mode(mf->width, mf->height);
+ mf->width = ov5650_frmsizes[mode].width;
+ mf->height = ov5650_frmsizes[mode].height;
+
+ if (mf->code != V4L2_MBUS_FMT_SBGGR8_1X8 &&
+ mf->code != V4L2_MBUS_FMT_SBGGR10_1X10)
+ mf->code = V4L2_MBUS_FMT_SBGGR10_1X10;
+
+ mf->field = V4L2_FIELD_NONE;
+ mf->colorspace = V4L2_COLORSPACE_SRGB;
+
+ ov5650_s_fmt(sd, mf);
+
+ return 0;
+}
+
+static int ov5650_enum_fmt(struct v4l2_subdev *sd, unsigned int index,
+ enum v4l2_mbus_pixelcode *code)
+{
+ if (index >= 2)
+ return -EINVAL;
+
+ switch (index) {
+ case 0:
+ *code = V4L2_MBUS_FMT_SBGGR10_1X10;
+ break;
+ case 1:
+ *code = V4L2_MBUS_FMT_SBGGR8_1X8;
+ break;
+ }
+
+ return 0;
+}
+
+static int ov5650_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a)
+{
+ a->bounds.left = 0;
+ a->bounds.top = 0;
+ a->bounds.width = ov5650_frmsizes[OV5650_MODE_2592x1944].width;
+ a->bounds.height = ov5650_frmsizes[OV5650_MODE_2592x1944].height;
+ a->defrect = a->bounds;
+ a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ a->pixelaspect.numerator = 1;
+ a->pixelaspect.denominator = 1;
+
+ return 0;
+}
+
+static int ov5650_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
+{
+ a->c.left = 0;
+ a->c.top = 0;
+ a->c.width = ov5650_frmsizes[OV5650_MODE_2592x1944].width;
+ a->c.height = ov5650_frmsizes[OV5650_MODE_2592x1944].height;
+ a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+
+ return 0;
+}
+
+/* Get chip identification */
+static int ov5650_g_chip_ident(struct v4l2_subdev *sd,
+ struct v4l2_dbg_chip_ident *id)
+{
+ struct ov5650_priv *priv = to_ov5650(sd);
+
+ id->ident = priv->ident;
+ id->revision = priv->revision;
+
+ return 0;
+}
+
+static struct v4l2_subdev_video_ops ov5650_video_ops = {
+ .s_stream = ov5650_s_stream,
+ .s_mbus_fmt = ov5650_s_fmt,
+ .try_mbus_fmt = ov5650_try_fmt,
+ .enum_mbus_fmt = ov5650_enum_fmt,
+ .cropcap = ov5650_cropcap,
+ .g_crop = ov5650_g_crop,
+};
+
+static struct v4l2_subdev_core_ops ov5650_core_ops = {
+ .g_chip_ident = ov5650_g_chip_ident,
+ .s_power = ov5650_s_power,
+};
+
+static struct v4l2_subdev_ops ov5650_subdev_ops = {
+ .core = &ov5650_core_ops,
+ .video = &ov5650_video_ops,
+};
+
+static int ov5650_probe(struct i2c_client *client,
+ const struct i2c_device_id *did)
+{
+ struct ov5650_priv *priv;
+ struct soc_camera_device *icd = client->dev.platform_data;
+ struct soc_camera_link *icl;
+ u8 chipid[2];
+ int ret;
+
+ /* Checking soc-camera interface */
+ if (!icd) {
+ dev_err(&client->dev, "Missing soc-camera data!\n");
+ return -EINVAL;
+ }
+
+ icl = to_soc_camera_link(icd);
+ if (!icl) {
+ dev_err(&client->dev, "Missing platform_data for driver\n");
+ return -EINVAL;
+ }
+
+ /* Register OV5650 soc_camera device interface */
+ priv = kzalloc(sizeof(struct ov5650_priv), GFP_KERNEL);
+ if (!priv) {
+ dev_err(&client->dev, "Failed to allocate private data!\n");
+ return -ENOMEM;
+ }
+
+ v4l2_i2c_subdev_init(&priv->subdev, client, &ov5650_subdev_ops);
+
+ priv->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
+
+ priv->ident = V4L2_IDENT_OV5650;
+
+ /* Detecting OV5650 sensor */
+ ret = ov5650_reg_read(client, 0x300A, &chipid[0]);
+ if (ret) {
+ dev_err(&client->dev, "Failure to read Chip ID (high byte)\n");
+ goto err;
+ }
+
+ ret = ov5650_reg_read(client, 0x300B, &chipid[1]);
+ if (ret) {
+ dev_err(&client->dev, "Failure to read Chip ID (low byte)\n");
+ goto err;
+ }
+
+ priv->chip_id = (chipid[0] << 8) | chipid[1];
+
+ if ((priv->chip_id != 0x5650) && (priv->chip_id != 0x5651)) {
+ dev_err(&client->dev, "Chip ID: %x not supported!\n",
+ priv->chip_id);
+ ret = -ENODEV;
+ goto err;
+ }
+
+ priv->revision = (chipid[1] == 0x50) ? 0x1A : 0x1B;
+
+ priv->client = client;
+
+ ov5650_set_default_fmt(priv);
+
+ dev_info(&client->dev, "Detected a OV%x chip, revision %x\n",
+ priv->chip_id, priv->revision);
+
+ return 0;
+
+err:
+ kfree(priv);
+
+ return ret;
+}
+
+static int ov5650_remove(struct i2c_client *client)
+{
+ struct ov5650_priv *priv = i2c_get_clientdata(client);
+
+ kfree(priv);
+ return 0;
+}
+
+static const struct i2c_device_id ov5650_id[] = {
+ { "ov5650_v4l2", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, ov5650_id);
+
+static struct i2c_driver ov5650_i2c_driver = {
+ .driver = {
+ .name = "ov5650_v4l2",
+ },
+ .probe = ov5650_probe,
+ .remove = ov5650_remove,
+ .id_table = ov5650_id,
+};
+
+static int __init ov5650_module_init(void)
+{
+ return i2c_add_driver(&ov5650_i2c_driver);
+}
+
+static void __exit ov5650_module_exit(void)
+{
+ i2c_del_driver(&ov5650_i2c_driver);
+}
+
+module_init(ov5650_module_init);
+module_exit(ov5650_module_exit);
+
+MODULE_DESCRIPTION("OmniVision OV5650 Camera driver");
+MODULE_AUTHOR("Bryan Wu <pengw@nvidia.com>");
+MODULE_LICENSE("GPL v2");
projects / sojka / nv-tegra / linux-3.10.git / commitdiff