media: soc_camera: add OV5650 SoC camera I2C device driver
Bryan Wu [Thu, 17 Jan 2013 01:27:29 +0000 (17:27 -0800)]
OV5650 is a RAW sensor outputing Bayer RAW 8 or RAW 10 data.
This driver uses SoC camera interface and supports several
different resolution.

Change-Id: I8075b63b42f7949a264bdef446f5ed8bdc0a9eee
Signed-off-by: Bryan Wu <pengw@nvidia.com>
Reviewed-on: http://git-master/r/200223
GVS: Gerrit_Virtual_Submit
Reviewed-by: Matthew Pedro <mapedro@nvidia.com>

drivers/media/video/Kconfig
drivers/media/video/Makefile
drivers/media/video/ov5650.c [new file with mode: 0644]
include/media/v4l2-chip-ident.h

index 651a17e..dfff302 100644 (file)
@@ -867,6 +867,12 @@ config SOC_CAMERA_OV5642
        help
          This is a V4L2 camera driver for the OmniVision OV5642 sensor
 
+config SOC_CAMERA_OV5650
+       tristate "ov5650 sensor support"
+       depends on SOC_CAMERA && I2C
+       help
+         This is a V4L2 camera driver for the OmniVision OV5650 sensor
+
 config SOC_CAMERA_OV6650
        tristate "ov6650 sensor support"
        depends on SOC_CAMERA && I2C
index f63ad7e..ce79916 100644 (file)
@@ -81,6 +81,7 @@ obj-$(CONFIG_SOC_CAMERA_MT9V022)      += mt9v022.o
 obj-$(CONFIG_SOC_CAMERA_OV2640)                += ov2640.o
 obj-$(CONFIG_SOC_CAMERA_OV5640)                += ov5640.o
 obj-$(CONFIG_SOC_CAMERA_OV5642)                += ov5642.o
+obj-$(CONFIG_SOC_CAMERA_OV5650)                += ov5650.o
 obj-$(CONFIG_SOC_CAMERA_OV6650)                += ov6650.o
 obj-$(CONFIG_SOC_CAMERA_OV772X)                += ov772x.o
 obj-$(CONFIG_SOC_CAMERA_OV9640)                += ov9640.o
diff --git a/drivers/media/video/ov5650.c b/drivers/media/video/ov5650.c
new file mode 100644 (file)
index 0000000..e721065
--- /dev/null
@@ -0,0 +1,1382 @@
+/*
+ * 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}
+};
+
+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, 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, 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},
+
+       {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, 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_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[],
+                               const struct ov5650_reg override_list[],
+                               int num_override_regs)
+{
+       int err;
+       const struct ov5650_reg *next, *n_next;
+       u8 *b_ptr = priv->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 = 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_SGRBG10_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);
+       struct ov5650_reg reg_list[6];
+       int ret = 0;
+
+       if (enable) {
+               ret = ov5650_write_table(priv, reset_seq, NULL, 0);
+               if (ret)
+                       return ret;
+
+               ret = ov5650_write_table(priv, mode_start, NULL, 0);
+               if (ret)
+                       return ret;
+
+               ret = ov5650_write_table(priv, mode_table[priv->mode],
+                               reg_list, 6);
+               if (ret)
+                       return ret;
+
+               ret = ov5650_write_table(priv, mode_end, NULL, 0);
+               if (ret)
+                       return ret;
+       } else
+               ov5650_set_default_fmt(priv);
+
+       return ret;
+}
+
+/* Alter bus settings on camera side */
+static int ov5650_set_bus_param(struct soc_camera_device *icd,
+               unsigned long flags)
+{
+       return 0;
+}
+
+/* Request bus settings on camera side */
+static unsigned long ov5650_query_bus_param(struct soc_camera_device *icd)
+{
+       struct soc_camera_link *icl = to_soc_camera_link(icd);
+
+       unsigned long flags = SOCAM_PCLK_SAMPLE_RISING | SOCAM_MASTER |
+               SOCAM_VSYNC_ACTIVE_HIGH | SOCAM_HSYNC_ACTIVE_HIGH |
+               SOCAM_DATA_ACTIVE_HIGH | SOCAM_DATAWIDTH_10;
+
+       return soc_camera_apply_sensor_flags(icl, flags);
+}
+
+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, 1);
+       } else
+               ov5650_s_stream(sd, 0);
+
+       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_SGRBG8_1X8 &&
+               mf->code != V4L2_MBUS_FMT_SGRBG10_1X10)
+               mf->code = V4L2_MBUS_FMT_SGRBG10_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_SGRBG10_1X10;
+               break;
+       case 1:
+               *code = V4L2_MBUS_FMT_SGRBG8_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 soc_camera_ops ov5650_ops = {
+       .set_bus_param          = ov5650_set_bus_param,
+       .query_bus_param        = ov5650_query_bus_param,
+};
+
+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);
+       icd->ops = &ov5650_ops;
+
+       priv->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
+
+       priv->ident = V4L2_IDENT_OV5650;
+
+       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;
+       }
+
+       if ((chipid[0] != 0x56) || ((chipid[1] & 0x51) != chipid[1])) {
+               dev_err(&client->dev, "Chip ID: %x%x not supported!\n",
+                       chipid[0], chipid[1]);
+               ret = -ENODEV;
+               goto err;
+       }
+
+       priv->chip_id = (chipid[0] << 8) | chipid[1];
+       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", 0 },
+       { }
+};
+MODULE_DEVICE_TABLE(i2c, ov5650_id);
+
+static struct i2c_driver ov5650_i2c_driver = {
+       .driver = {
+               .name = "ov5650",
+       },
+       .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");
index fb929ea..a0d15e5 100644 (file)
@@ -78,6 +78,7 @@ enum {
        V4L2_IDENT_OV9740 = 260,
        V4L2_IDENT_OV5642 = 261,
        V4L2_IDENT_OV5640 = 262,
+       V4L2_IDENT_OV5650 = 263,
 
        /* module saa7146: reserved range 300-309 */
        V4L2_IDENT_SAA7146 = 300,