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BPI-CM9-Linux/aml-comp/kernel/aml-6.12/common_drivers/drivers/media/camera/ov5640.c
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2026-08-24 10:03:24 +08:00

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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (c) 2025 Amlogic, Inc. All rights reserved.
*/
#ifdef pr_fmt
#undef pr_fmt
#endif
#define pr_fmt(fmt) "[ov5640]:%s:%d: " fmt, __func__, __LINE__
#include <linux/sizes.h>
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/kernel.h>
#include <linux/wait.h>
#include <linux/slab.h>
#include <linux/mm.h>
#include <linux/ioport.h>
#include <linux/init.h>
#include <linux/sched.h>
#include <linux/pci.h>
#include <linux/random.h>
#include <linux/version.h>
#include <linux/mutex.h>
#include <linux/videodev2.h>
#include <linux/dma-mapping.h>
#include <linux/interrupt.h>
#include <linux/kthread.h>
#include <linux/highmem.h>
#include <linux/freezer.h>
#include <linux/amlogic/media/v4l_util/videobuf-res.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ioctl.h>
#ifdef CONFIG_HAS_WAKELOCK
#include <linux/wakelock.h>
#endif
#include <linux/spinlock.h>
#include <linux/mutex.h>
#include <linux/i2c.h>
#include <linux/amlogic/media/camera/aml_cam_info.h>
#include <linux/amlogic/media/camera/vmapi.h>
#include "common/plat_ctrl.h"
#include <linux/amlogic/media/frame_provider/tvin/tvin_v4l2.h>
#include <linux/amlogic/cpu_version.h>
//#include <linux/amlogic/media/old_cpu_version.h>
#include "common/vm.h"
#include "ov5640_firmware.h"
#define OV5640_CAMERA_MODULE_NAME "ov5640"
#define WAKE_NUMERATOR 30
#define WAKE_DENOMINATOR 1001
#define BUFFER_TIMEOUT msecs_to_jiffies(500)
#define MAGIC_RE_MEM 0x123039dc
#define OV5640_RES0_CANVAS_INDEX 0x4e
#define OV5640_CAMERA_MAJOR_VERSION 0
#define OV5640_CAMERA_MINOR_VERSION 7
#define OV5640_CAMERA_RELEASE 0
#define OV5640_CAMERA_VERSION \
KERNEL_VERSION(OV5640_CAMERA_MAJOR_VERSION, \
OV5640_CAMERA_MINOR_VERSION, \
OV5640_CAMERA_RELEASE)
MODULE_DESCRIPTION("ov5640 On Board");
MODULE_AUTHOR("amlogic-sh");
MODULE_LICENSE("GPL v2");
#define OV5640_DRIVER_VERSION "OV5640-COMMON-01-140717"
static unsigned int video_nr = 50;
static unsigned int debug;
static unsigned int vid_limit = 32;
static int ov5640_have_opened;
static void do_download(struct work_struct *work);
static DECLARE_DELAYED_WORK(dl_work, do_download);
static struct vdin_v4l2_ops_s *vops;
static bool bDoingAutoFocusMode;
static int temp_frame = -1;
static struct v4l2_fract ov5640_frmintervals_active = {
.numerator = 1,
.denominator = 15,
};
static struct v4l2_frmivalenum ov5640_frmivalenum[] = {
{
.index = 0,
.pixel_format = V4L2_PIX_FMT_NV21,
.width = 640,
.height = 480,
.type = V4L2_FRMIVAL_TYPE_DISCRETE,
{
.discrete = {
.numerator = 1,
.denominator = 30,
}
}
}, {
.index = 0,
.pixel_format = V4L2_PIX_FMT_NV21,
.width = 1024,
.height = 768,
.type = V4L2_FRMIVAL_TYPE_DISCRETE,
{
.discrete = {
.numerator = 1,
.denominator = 30,
}
}
}, {
.index = 0,
.pixel_format = V4L2_PIX_FMT_NV21,
.width = 1280,
.height = 720,
.type = V4L2_FRMIVAL_TYPE_DISCRETE,
{
.discrete = {
.numerator = 1,
.denominator = 30,
}
}
}, {
.index = 0,
.pixel_format = V4L2_PIX_FMT_NV21,
.width = 1920,
.height = 1080,
.type = V4L2_FRMIVAL_TYPE_DISCRETE,
{
.discrete = {
.numerator = 1,
.denominator = 30,
}
}
}, {
.index = 1,
.pixel_format = V4L2_PIX_FMT_NV21,
.width = 1600,
.height = 1200,
.type = V4L2_FRMIVAL_TYPE_DISCRETE,
{
.discrete = {
.numerator = 1,
.denominator = 5,
}
}
}, {
.index = 1,
.pixel_format = V4L2_PIX_FMT_NV21,
.width = 2048,
.height = 1536,
.type = V4L2_FRMIVAL_TYPE_DISCRETE,
{
.discrete = {
.numerator = 1,
.denominator = 5,
}
}
}, {
.index = 1,
.pixel_format = V4L2_PIX_FMT_NV21,
.width = 2592,
.height = 1944,
.type = V4L2_FRMIVAL_TYPE_DISCRETE,
{
.discrete = {
.numerator = 1,
.denominator = 5,
}
}
},
};
static struct v4l2_queryctrl ov5640_qctrl[] = {
{
.id = V4L2_CID_BRIGHTNESS,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Brightness",
.minimum = 0,
.maximum = 255,
.step = 1,
.default_value = 127,
.flags = V4L2_CTRL_FLAG_SLIDER,
}, {
.id = V4L2_CID_CONTRAST,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Contrast",
.minimum = 0x10,
.maximum = 0x60,
.step = 0xa,
.default_value = 0x30,
.flags = V4L2_CTRL_FLAG_SLIDER,
}, {
.id = V4L2_CID_HFLIP,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "flip on horizontal",
.minimum = 0,
.maximum = 1,
.step = 0x1,
.default_value = 0,
.flags = V4L2_CTRL_FLAG_DISABLED,
}, {
.id = V4L2_CID_VFLIP,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "flip on vertical",
.minimum = 0,
.maximum = 1,
.step = 0x1,
.default_value = 0,
.flags = V4L2_CTRL_FLAG_DISABLED,
}, {
.id = V4L2_CID_DO_WHITE_BALANCE,
.type = V4L2_CTRL_TYPE_MENU,
.name = "white balance",
.minimum = 0,
.maximum = 6,
.step = 0x1,
.default_value = 0,
.flags = V4L2_CTRL_FLAG_SLIDER,
}, {
.id = V4L2_CID_EXPOSURE,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "exposure",
.minimum = 0,
.maximum = 8,
.step = 0x1,
.default_value = 4,
.flags = V4L2_CTRL_FLAG_SLIDER,
}, {
.id = V4L2_CID_COLORFX,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "effect",
.minimum = 0,
.maximum = 6,
.step = 0x1,
.default_value = 0,
.flags = V4L2_CTRL_FLAG_SLIDER,
}, {
.id = V4L2_CID_WHITENESS,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "banding",
.minimum = 0,
.maximum = 1,
.step = 0x1,
.default_value = 0,
.flags = V4L2_CTRL_FLAG_SLIDER,
}, {
.id = V4L2_CID_FOCUS_AUTO,
.type = V4L2_CTRL_TYPE_MENU,
.name = "auto focus",
.minimum = CAM_FOCUS_MODE_RELEASE,
.maximum = CAM_FOCUS_MODE_CONTI_PIC,
.step = 0x1,
.default_value = CAM_FOCUS_MODE_CONTI_PIC,
.flags = V4L2_CTRL_FLAG_SLIDER,
}, {
.id = V4L2_CID_BACKLIGHT_COMPENSATION,
.type = V4L2_CTRL_TYPE_MENU,
.name = "flash",
.minimum = FLASHLIGHT_ON,
.maximum = FLASHLIGHT_TORCH,
.step = 0x1,
.default_value = FLASHLIGHT_OFF,
.flags = V4L2_CTRL_FLAG_SLIDER,
}, {
.id = V4L2_CID_ZOOM_ABSOLUTE,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Zoom, Absolute",
.minimum = 100,
.maximum = 300,
.step = 20,
.default_value = 100,
.flags = V4L2_CTRL_FLAG_SLIDER,
}, {
.id = V4L2_CID_ROTATE,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Rotate",
.minimum = 0,
.maximum = 270,
.step = 90,
.default_value = 0,
.flags = V4L2_CTRL_FLAG_SLIDER,
}, {
.id = V4L2_CID_AUTO_FOCUS_STATUS,
.type = 8,
.name = "focus status",
.minimum = 0,
.maximum = ~3,
.step = 0x1,
.default_value = V4L2_AUTO_FOCUS_STATUS_IDLE,
.flags = V4L2_CTRL_FLAG_READ_ONLY,
}, {
.id = V4L2_CID_FOCUS_ABSOLUTE,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "focus center",
.minimum = 0,
.maximum = ((2000) << 16) | 2000,
.step = 1,
.default_value = (1000 << 16) | 1000,
.flags = V4L2_CTRL_FLAG_SLIDER,
}, {
.id = V4L2_CID_MIN_BUFFERS_FOR_CAPTURE,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Minimum number of cap bufs",
.minimum = 2,
.maximum = 10,
.step = 1,
.default_value = 2,
.flags = V4L2_CTRL_FLAG_READ_ONLY,
},
};
struct v4l2_querymenu ov5640_qmenu_autofocus[] = {
{
.id = V4L2_CID_FOCUS_AUTO,
.index = CAM_FOCUS_MODE_INFINITY,
.name = "infinity",
.reserved = 0,
}, {
.id = V4L2_CID_FOCUS_AUTO,
.index = CAM_FOCUS_MODE_AUTO,
.name = "auto",
.reserved = 0,
}, {
.id = V4L2_CID_FOCUS_AUTO,
.index = CAM_FOCUS_MODE_CONTI_VID,
.name = "continuous-video",
.reserved = 0,
}, {
.id = V4L2_CID_FOCUS_AUTO,
.index = CAM_FOCUS_MODE_CONTI_PIC,
.name = "continuous-picture",
.reserved = 0,
}
};
struct v4l2_querymenu ov5640_qmenu_flashmode[] = {
{
.id = V4L2_CID_BACKLIGHT_COMPENSATION,
.index = FLASHLIGHT_ON,
.name = "on",
.reserved = 0,
}, {
.id = V4L2_CID_BACKLIGHT_COMPENSATION,
.index = FLASHLIGHT_OFF,
.name = "off",
.reserved = 0,
}, {
.id = V4L2_CID_BACKLIGHT_COMPENSATION,
.index = FLASHLIGHT_TORCH,
.name = "torch",
.reserved = 0,
}
};
struct v4l2_querymenu ov5640_qmenu_wbmode[] = {
{
.id = V4L2_CID_DO_WHITE_BALANCE,
.index = CAM_WB_AUTO,
.name = "auto",
.reserved = 0,
}, {
.id = V4L2_CID_DO_WHITE_BALANCE,
.index = CAM_WB_CLOUD,
.name = "cloudy-daylight",
.reserved = 0,
}, {
.id = V4L2_CID_DO_WHITE_BALANCE,
.index = CAM_WB_INCANDESCENCE,
.name = "incandescent",
.reserved = 0,
}, {
.id = V4L2_CID_DO_WHITE_BALANCE,
.index = CAM_WB_DAYLIGHT,
.name = "daylight",
.reserved = 0,
}, {
.id = V4L2_CID_DO_WHITE_BALANCE,
.index = CAM_WB_FLUORESCENT,
.name = "fluorescent",
.reserved = 0,
}, {
.id = V4L2_CID_DO_WHITE_BALANCE,
.index = CAM_WB_FLUORESCENT,
.name = "warm-fluorescent",
.reserved = 0,
},
};
struct ov5640_qmenu_s {
__u32 id;
int num;
struct v4l2_querymenu *ov5640_qmenu;
};
struct ov5640_qmenu_s ov5640_qmenu_set[] = {
{
.id = V4L2_CID_FOCUS_AUTO,
.num = ARRAY_SIZE(ov5640_qmenu_autofocus),
.ov5640_qmenu = ov5640_qmenu_autofocus,
}, {
.id = V4L2_CID_BACKLIGHT_COMPENSATION,
.num = ARRAY_SIZE(ov5640_qmenu_flashmode),
.ov5640_qmenu = ov5640_qmenu_flashmode,
}, {
.id = V4L2_CID_DO_WHITE_BALANCE,
.num = ARRAY_SIZE(ov5640_qmenu_wbmode),
.ov5640_qmenu = ov5640_qmenu_wbmode,
}
};
#define dprintk(dev, level, fmt, arg...) \
v4l2_dbg(level, debug, &(dev)->v4l2_dev, fmt, ## arg)
struct ov5640_fmt {
char *name;
u32 fourcc;
int depth;
};
static struct ov5640_fmt formats[] = {
{
.name = "RGB565 (BE)",
.fourcc = V4L2_PIX_FMT_RGB565X,
.depth = 16,
}, {
.name = "RGB888 (24)",
.fourcc = V4L2_PIX_FMT_RGB24,
.depth = 24,
}, {
.name = "BGR888 (24)",
.fourcc = V4L2_PIX_FMT_BGR24,
.depth = 24,
}, {
.name = "12 Y/CbCr 4:2:0SP",
.fourcc = V4L2_PIX_FMT_NV12,
.depth = 12,
}, {
.name = "12 Y/CbCr 4:2:0SP",
.fourcc = V4L2_PIX_FMT_NV21,
.depth = 12,
}, {
.name = "YUV420P",
.fourcc = V4L2_PIX_FMT_YUV420,
.depth = 12,
}, {
.name = "YVU420P",
.fourcc = V4L2_PIX_FMT_YVU420,
.depth = 12,
}
};
static struct ov5640_fmt *get_format(struct v4l2_format *f)
{
struct ov5640_fmt *fmt;
unsigned int k;
for (k = 0; k < ARRAY_SIZE(formats); k++) {
fmt = &formats[k];
if (fmt->fourcc == f->fmt.pix.pixelformat)
break;
}
if (k == ARRAY_SIZE(formats))
return NULL;
return &formats[k];
}
struct sg_to_addr {
int pos;
struct scatterlist *sg;
};
struct ov5640_buffer {
struct videobuf_buffer vb;
struct ov5640_fmt *fmt;
unsigned int canvas_id;
};
struct ov5640_dmaqueue {
struct list_head active;
struct task_struct *kthread;
wait_queue_head_t wq;
int frame;
int ini_jiffies;
};
struct resolution_param {
struct v4l2_frmsize_discrete frmsize;
struct v4l2_frmsize_discrete active_frmsize;
int active_fps;
int lanes;
int bps;
enum resolution_size size_type;
struct aml_camera_i2c_fig_s *reg_script;
};
static LIST_HEAD(ov5640_devicelist);
struct ov5640_device {
struct list_head ov5640_devicelist;
struct v4l2_subdev sd;
struct v4l2_device v4l2_dev;
/*spinlock of gc2145*/
spinlock_t slock;
/*mutex of gc2145*/
struct mutex mutex;
int users;
struct video_device *vdev;
struct ov5640_dmaqueue vidq;
unsigned long jiffies;
int input;
struct aml_cam_info_s cam_info;
int qctl_regs[ARRAY_SIZE(ov5640_qctrl)];
struct resolution_param *cur_resolution_param;
#ifdef CONFIG_HAS_WAKELOCK
struct wake_lock wake_lock;
#endif
struct work_struct dl_work;
int firmware_ready;
struct vm_init_s vminfo;
};
static DEFINE_MUTEX(firmware_mutex);
static inline struct ov5640_device *to_dev(struct v4l2_subdev *sd)
{
return container_of(sd, struct ov5640_device, sd);
}
struct ov5640_fh {
struct ov5640_device *dev;
struct ov5640_fmt *fmt;
unsigned int width, height;
struct videobuf_queue vb_vidq;
struct videobuf_res_privdata res;
enum v4l2_buf_type type;
int input;
int stream_on;
unsigned int f_flags;
};
static struct aml_camera_i2c_fig_s OV5640_script[] = {
{0xffff, 0xff}
};
static struct aml_camera_i2c_fig_s OV5640_preview_720P_script[] = {
{0x3103, 0x11},
{0x3008, 0x82},
{0x3008, 0x42},
{0x3103, 0x03},
{0x3017, 0x00},
{0x3018, 0x00},
{0x3034, 0x18},
{0x3035, 0x11},
{0x3036, 0x54},
{0x3037, 0x13},
{0x3108, 0x01},
{0x3630, 0x36},
{0x3631, 0x0e},
{0x3632, 0xe2},
{0x3633, 0x12},
{0x3621, 0xe0},
{0x3704, 0xa0},
{0x3703, 0x5a},
{0x3715, 0x78},
{0x3717, 0x01},
{0x370b, 0x60},
{0x3705, 0x1a},
{0x3905, 0x02},
{0x3906, 0x10},
{0x3901, 0x0a},
{0x3731, 0x12},
{0x3600, 0x08},
{0x3601, 0x33},
{0x302d, 0x60},
{0x3620, 0x52},
{0x371b, 0x20},
{0x471c, 0x50},
{0x3a13, 0x43},
{0x3a18, 0x00},
{0x3a19, 0xf8},
{0x3635, 0x13},
{0x3636, 0x03},
{0x3634, 0x40},
{0x3622, 0x01},
{0x3c01, 0x34},
{0x3c04, 0x28},
{0x3c05, 0x98},
{0x3c06, 0x00},
{0x3c07, 0x07},
{0x3c08, 0x00},
{0x3c09, 0x1c},
{0x3c0a, 0x9c},
{0x3c0b, 0x40},
{0x3820, 0x41},
{0x3821, 0x07},
{0x3814, 0x31},
{0x3815, 0x31},
{0x3800, 0x00},
{0x3801, 0x00},
{0x3802, 0x00},
{0x3803, 0xfa},
{0x3804, 0x0a},
{0x3805, 0x3f},
{0x3806, 0x06},
{0x3807, 0xa9},
{0x3808, 0x05},
{0x3809, 0x00},
{0x380a, 0x02},
{0x380b, 0xd0},
{0x380c, 0x07},
{0x380d, 0x64},
{0x380e, 0x02},
{0x380f, 0xe4},
{0x3810, 0x00},
{0x3811, 0x10},
{0x3812, 0x00},
{0x3813, 0x04},
{0x3618, 0x00},
{0x3612, 0x29},
{0x3708, 0x66},
{0x3709, 0x12},
{0x370c, 0x03},
{0x3a02, 0x02},
{0x3a03, 0xe4},
{0x3a08, 0x01},
{0x3a09, 0xbc},
{0x3a0a, 0x01},
{0x3a0b, 0x72},
{0x3a0e, 0x01},
{0x3a0d, 0x02},
{0x3a14, 0x02},
{0x3a15, 0xe4},
{0x4001, 0x02},
{0x4004, 0x02},
{0x4050, 0x6e},
{0x4051, 0x8f},
{0x3000, 0x00},
{0x3002, 0x1c},
{0x3004, 0xff},
{0x3006, 0xc3},
{0x300e, 0x45},
{0x302e, 0x08},
{0x4300, 0x32},
{0x501f, 0x00},
{0x5684, 0x05},
{0x5685, 0x20},
{0x5686, 0x02},
{0x5687, 0xd8},
{0x4713, 0x02},
{0x4407, 0x04},
{0x440e, 0x00},
{0x460b, 0x37},
{0x460c, 0x20},
{0x4827, 0x16},
{0x3824, 0x04},
{0x5000, 0xa7},
{0x5001, 0x83},
{0x5180, 0xff},
{0x5181, 0xf2},
{0x5182, 0x00},
{0x5183, 0x14},
{0x5184, 0x25},
{0x5185, 0x24},
{0x5186, 0x09},
{0x5187, 0x09},
{0x5188, 0x09},
{0x5189, 0x75},
{0x518a, 0x54},
{0x518b, 0xe0},
{0x518c, 0xb2},
{0x518d, 0x42},
{0x518e, 0x3d},
{0x518f, 0x56},
{0x5190, 0x46},
{0x5191, 0xf8},
{0x5192, 0x04},
{0x5193, 0x70},
{0x5194, 0xf0},
{0x5195, 0xf0},
{0x5196, 0x03},
{0x5197, 0x01},
{0x5198, 0x04},
{0x5199, 0x12},
{0x519a, 0x04},
{0x519b, 0x00},
{0x519c, 0x06},
{0x519d, 0x82},
{0x519e, 0x38},
{0x5381, 0x1e},
{0x5382, 0x5b},
{0x5383, 0x08},
{0x5384, 0x0a},
{0x5385, 0x7e},
{0x5386, 0x88},
{0x5387, 0x7c},
{0x5388, 0x6c},
{0x5389, 0x10},
{0x538a, 0x01},
{0x538b, 0x98},
{0x5300, 0x08},
{0x5301, 0x30},
{0x5302, 0x10},
{0x5303, 0x00},
{0x5304, 0x08},
{0x5305, 0x30},
{0x5306, 0x08},
{0x5307, 0x16},
{0x5309, 0x08},
{0x530a, 0x30},
{0x530b, 0x04},
{0x530c, 0x06},
{0x5480, 0x01},
{0x5481, 0x08},
{0x5482, 0x14},
{0x5483, 0x28},
{0x5484, 0x51},
{0x5485, 0x65},
{0x5486, 0x71},
{0x5487, 0x7d},
{0x5488, 0x87},
{0x5489, 0x91},
{0x548a, 0x9a},
{0x548b, 0xaa},
{0x548c, 0xb8},
{0x548d, 0xcd},
{0x548e, 0xdd},
{0x548f, 0xea},
{0x5490, 0x1d},
{0x5580, 0x02},
{0x5583, 0x40},
{0x5584, 0x10},
{0x5589, 0x10},
{0x558a, 0x00},
{0x558b, 0xf8},
{0x5800, 0x23},
{0x5801, 0x14},
{0x5802, 0x0f},
{0x5803, 0x0f},
{0x5804, 0x12},
{0x5805, 0x26},
{0x5806, 0x0c},
{0x5807, 0x08},
{0x5808, 0x05},
{0x5809, 0x05},
{0x580a, 0x08},
{0x580b, 0x0d},
{0x580c, 0x08},
{0x580d, 0x03},
{0x580e, 0x00},
{0x580f, 0x00},
{0x5810, 0x03},
{0x5811, 0x09},
{0x5812, 0x07},
{0x5813, 0x03},
{0x5814, 0x00},
{0x5815, 0x01},
{0x5816, 0x03},
{0x5817, 0x08},
{0x5818, 0x0d},
{0x5819, 0x08},
{0x581a, 0x05},
{0x581b, 0x06},
{0x581c, 0x08},
{0x581d, 0x0e},
{0x581e, 0x29},
{0x581f, 0x17},
{0x5820, 0x11},
{0x5821, 0x11},
{0x5822, 0x15},
{0x5823, 0x28},
{0x5824, 0x46},
{0x5825, 0x26},
{0x5826, 0x08},
{0x5827, 0x26},
{0x5828, 0x64},
{0x5829, 0x26},
{0x582a, 0x24},
{0x582b, 0x22},
{0x582c, 0x24},
{0x582d, 0x24},
{0x582e, 0x06},
{0x582f, 0x22},
{0x5830, 0x40},
{0x5831, 0x42},
{0x5832, 0x24},
{0x5833, 0x26},
{0x5834, 0x24},
{0x5835, 0x22},
{0x5836, 0x22},
{0x5837, 0x26},
{0x5838, 0x44},
{0x5839, 0x24},
{0x583a, 0x26},
{0x583b, 0x28},
{0x583c, 0x42},
{0x583d, 0xce},
{0x5025, 0x00},
{0x3a0f, 0x30},
{0x3a10, 0x28},
{0x3a1b, 0x30},
{0x3a1e, 0x26},
{0x3a11, 0x60},
{0x3a1f, 0x14},
{0x3008, 0x02},
{0xffff, 0xff}
};
static struct aml_camera_i2c_fig_s OV5640_preview_1080P_script[] = {
{0x3103, 0x11},
{0x3008, 0x82},
{0x3008, 0x42},
{0x3103, 0x03},
{0x3017, 0x00},
{0x3018, 0x00},
{0x3034, 0x18},
{0x3035, 0x11},
{0x3036, 0x54},
{0x3037, 0x13},
{0x3108, 0x01},
{0x3630, 0x36},
{0x3631, 0x0e},
{0x3632, 0xe2},
{0x3633, 0x12},
{0x3621, 0xe0},
{0x3704, 0xa0},
{0x3703, 0x5a},
{0x3715, 0x78},
{0x3717, 0x01},
{0x370b, 0x60},
{0x3705, 0x1a},
{0x3905, 0x02},
{0x3906, 0x10},
{0x3901, 0x0a},
{0x3731, 0x12},
{0x3600, 0x08},
{0x3601, 0x33},
{0x302d, 0x60},
{0x3620, 0x52},
{0x371b, 0x20},
{0x471c, 0x50},
{0x3a13, 0x43},
{0x3a18, 0x00},
{0x3a19, 0xf8},
{0x3635, 0x13},
{0x3636, 0x03},
{0x3634, 0x40},
{0x3622, 0x01},
{0x3c01, 0x34},
{0x3c04, 0x28},
{0x3c05, 0x98},
{0x3c06, 0x00},
{0x3c07, 0x07},
{0x3c08, 0x00},
{0x3c09, 0x1c},
{0x3c0a, 0x9c},
{0x3c0b, 0x40},
{0x3820, 0x40},
{0x3821, 0x06},
{0x3814, 0x11},
{0x3815, 0x11},
{0x3800, 0x01},
{0x3801, 0x50},
{0x3802, 0x01},
{0x3803, 0xb2},
{0x3804, 0x08},
{0x3805, 0xef},
{0x3806, 0x05},
{0x3807, 0xf1},
{0x3808, 0x07},
{0x3809, 0x80},
{0x380a, 0x04},
{0x380b, 0x38},
{0x380c, 0x09},
{0x380d, 0xc4},
{0x380e, 0x04},
{0x380f, 0x60},
{0x3810, 0x00},
{0x3811, 0x10},
{0x3812, 0x00},
{0x3813, 0x04},
{0x3618, 0x04},
{0x3612, 0x2b},
{0x3708, 0x63},
{0x3709, 0x12},
{0x370c, 0x00},
{0x3a02, 0x04},
{0x3a03, 0x60},
{0x3a08, 0x01},
{0x3a09, 0x50},
{0x3a0a, 0x01},
{0x3a0b, 0x18},
{0x3a0e, 0x03},
{0x3a0d, 0x04},
{0x3a14, 0x04},
{0x3a15, 0x60},
{0x4001, 0x02},
{0x4004, 0x06},
{0x4050, 0x6e},
{0x4051, 0x8f},
{0x3000, 0x00},
{0x3002, 0x1c},
{0x3004, 0xff},
{0x3006, 0xc3},
{0x300e, 0x45},
{0x302e, 0x08},
{0x4300, 0x32},
{0x501f, 0x00},
{0x5684, 0x07},
{0x5685, 0xa0},
{0x5686, 0x04},
{0x5687, 0x40},
{0x4713, 0x02},
{0x4407, 0x04},
{0x440e, 0x00},
{0x460b, 0x37},
{0x460c, 0x20},
{0x4837, 0x0a},
{0x3824, 0x04},
{0x5000, 0xa7},
{0x5001, 0x83},
{0x5180, 0xff},
{0x5181, 0xf2},
{0x5182, 0x00},
{0x5183, 0x14},
{0x5184, 0x25},
{0x5185, 0x24},
{0x5186, 0x09},
{0x5187, 0x09},
{0x5188, 0x09},
{0x5189, 0x75},
{0x518a, 0x54},
{0x518b, 0xe0},
{0x518c, 0xb2},
{0x518d, 0x42},
{0x518e, 0x3d},
{0x518f, 0x56},
{0x5190, 0x46},
{0x5191, 0xf8},
{0x5192, 0x04},
{0x5193, 0x70},
{0x5194, 0xf0},
{0x5195, 0xf0},
{0x5196, 0x03},
{0x5197, 0x01},
{0x5198, 0x04},
{0x5199, 0x12},
{0x519a, 0x04},
{0x519b, 0x00},
{0x519c, 0x06},
{0x519d, 0x82},
{0x519e, 0x38},
{0x5381, 0x1e},
{0x5382, 0x5b},
{0x5383, 0x08},
{0x5384, 0x0a},
{0x5385, 0x7e},
{0x5386, 0x88},
{0x5387, 0x7c},
{0x5388, 0x6c},
{0x5389, 0x10},
{0x538a, 0x01},
{0x538b, 0x98},
{0x5300, 0x08},
{0x5301, 0x30},
{0x5302, 0x10},
{0x5303, 0x00},
{0x5304, 0x08},
{0x5305, 0x30},
{0x5306, 0x08},
{0x5307, 0x16},
{0x5309, 0x08},
{0x530a, 0x30},
{0x530b, 0x04},
{0x530c, 0x06},
{0x5480, 0x01},
{0x5481, 0x08},
{0x5482, 0x14},
{0x5483, 0x28},
{0x5484, 0x51},
{0x5485, 0x65},
{0x5486, 0x71},
{0x5487, 0x7d},
{0x5488, 0x87},
{0x5489, 0x91},
{0x548a, 0x9a},
{0x548b, 0xaa},
{0x548c, 0xb8},
{0x548d, 0xcd},
{0x548e, 0xdd},
{0x548f, 0xea},
{0x5490, 0x1d},
{0x5580, 0x02},
{0x5583, 0x40},
{0x5584, 0x10},
{0x5589, 0x10},
{0x558a, 0x00},
{0x558b, 0xf8},
{0x5800, 0x23},
{0x5801, 0x14},
{0x5802, 0x0f},
{0x5803, 0x0f},
{0x5804, 0x12},
{0x5805, 0x26},
{0x5806, 0x0c},
{0x5807, 0x08},
{0x5808, 0x05},
{0x5809, 0x05},
{0x580a, 0x08},
{0x580b, 0x0d},
{0x580c, 0x08},
{0x580d, 0x03},
{0x580e, 0x00},
{0x580f, 0x00},
{0x5810, 0x03},
{0x5811, 0x09},
{0x5812, 0x07},
{0x5813, 0x03},
{0x5814, 0x00},
{0x5815, 0x01},
{0x5816, 0x03},
{0x5817, 0x08},
{0x5818, 0x0d},
{0x5819, 0x08},
{0x581a, 0x05},
{0x581b, 0x06},
{0x581c, 0x08},
{0x581d, 0x0e},
{0x581e, 0x29},
{0x581f, 0x17},
{0x5820, 0x11},
{0x5821, 0x11},
{0x5822, 0x15},
{0x5823, 0x28},
{0x5824, 0x46},
{0x5825, 0x26},
{0x5826, 0x08},
{0x5827, 0x26},
{0x5828, 0x64},
{0x5829, 0x26},
{0x582a, 0x24},
{0x582b, 0x22},
{0x582c, 0x24},
{0x582d, 0x24},
{0x582e, 0x06},
{0x582f, 0x22},
{0x5830, 0x40},
{0x5831, 0x42},
{0x5832, 0x24},
{0x5833, 0x26},
{0x5834, 0x24},
{0x5835, 0x22},
{0x5836, 0x22},
{0x5837, 0x26},
{0x5838, 0x44},
{0x5839, 0x24},
{0x583a, 0x26},
{0x583b, 0x28},
{0x583c, 0x42},
{0x583d, 0xce},
{0x5025, 0x00},
{0x3a0f, 0x30},
{0x3a10, 0x28},
{0x3a1b, 0x30},
{0x3a1e, 0x26},
{0x3a11, 0x60},
{0x3a1f, 0x14},
{0x3008, 0x02},
{0xffff, 0xff}
};
static struct aml_camera_i2c_fig_s OV5640_capture_5M_script[] = {
{0x3103, 0x11},
{0x3008, 0x82},
{0x3008, 0x42},
{0x3103, 0x03},
{0x3017, 0x00},
{0x3018, 0x00},
{0x3034, 0x18},
{0x3035, 0x11},
{0x3036, 0x54},
{0x3037, 0x13},
{0x3108, 0x01},
{0x3630, 0x36},
{0x3631, 0x0e},
{0x3632, 0xe2},
{0x3633, 0x12},
{0x3621, 0xe0},
{0x3704, 0xa0},
{0x3703, 0x5a},
{0x3715, 0x78},
{0x3717, 0x01},
{0x370b, 0x60},
{0x3705, 0x1a},
{0x3905, 0x02},
{0x3906, 0x10},
{0x3901, 0x0a},
{0x3731, 0x12},
{0x3600, 0x08},
{0x3601, 0x33},
{0x302d, 0x60},
{0x3620, 0x52},
{0x371b, 0x20},
{0x471c, 0x50},
{0x3a13, 0x43},
{0x3a18, 0x00},
{0x3a19, 0xf8},
{0x3635, 0x13},
{0x3636, 0x03},
{0x3634, 0x40},
{0x3622, 0x01},
{0x3c01, 0x34},
{0x3c04, 0x28},
{0x3c05, 0x98},
{0x3c06, 0x00},
{0x3c07, 0x07},
{0x3c08, 0x00},
{0x3c09, 0x1c},
{0x3c0a, 0x9c},
{0x3c0b, 0x40},
{0x3820, 0x40},
{0x3821, 0x06},
{0x3814, 0x11},
{0x3815, 0x11},
{0x3800, 0x00},
{0x3801, 0x00},
{0x3802, 0x00},
{0x3803, 0x00},
{0x3804, 0x0a},
{0x3805, 0x3f},
{0x3806, 0x07},
{0x3807, 0x9f},
{0x3808, 0x0a},
{0x3809, 0x20},
{0x380a, 0x07},
{0x380b, 0x98},
{0x380c, 0x0b},
{0x380d, 0x1c},
{0x380e, 0x07},
{0x380f, 0xb0},
{0x3810, 0x00},
{0x3811, 0x10},
{0x3812, 0x00},
{0x3813, 0x04},
{0x3618, 0x04},
{0x3612, 0x2b},
{0x3708, 0x63},
{0x3709, 0x12},
{0x370c, 0x00},
{0x3a02, 0x07},
{0x3a03, 0xb0},
{0x3a08, 0x01},
{0x3a09, 0x27},
{0x3a0a, 0x00},
{0x3a0b, 0xf6},
{0x3a0e, 0x06},
{0x3a0d, 0x08},
{0x3a14, 0x07},
{0x3a15, 0xb0},
{0x4001, 0x02},
{0x4004, 0x06},
{0x4050, 0x6e},
{0x4051, 0x8f},
{0x3000, 0x00},
{0x3002, 0x1c},
{0x3004, 0xff},
{0x3006, 0xc3},
{0x300e, 0x45},
{0x302e, 0x08},
{0x4300, 0x32},
{0x4837, 0x0a},
{0x501f, 0x00},
{0x5684, 0x0a},
{0x5685, 0x20},
{0x5686, 0x07},
{0x5687, 0x98},
{0x440e, 0x00},
{0x5000, 0xa7},
{0x5001, 0x83},
{0x5180, 0xff},
{0x5181, 0xf2},
{0x5182, 0x00},
{0x5183, 0x14},
{0x5184, 0x25},
{0x5185, 0x24},
{0x5186, 0x09},
{0x5187, 0x09},
{0x5188, 0x09},
{0x5189, 0x75},
{0x518a, 0x54},
{0x518b, 0xe0},
{0x518c, 0xb2},
{0x518d, 0x42},
{0x518e, 0x3d},
{0x518f, 0x56},
{0x5190, 0x46},
{0x5191, 0xf8},
{0x5192, 0x04},
{0x5193, 0x70},
{0x5194, 0xf0},
{0x5195, 0xf0},
{0x5196, 0x03},
{0x5197, 0x01},
{0x5198, 0x04},
{0x5199, 0x12},
{0x519a, 0x04},
{0x519b, 0x00},
{0x519c, 0x06},
{0x519d, 0x82},
{0x519e, 0x38},
{0x5381, 0x1e},
{0x5382, 0x5b},
{0x5383, 0x08},
{0x5384, 0x0a},
{0x5385, 0x7e},
{0x5386, 0x88},
{0x5387, 0x7c},
{0x5388, 0x6c},
{0x5389, 0x10},
{0x538a, 0x01},
{0x538b, 0x98},
{0x5300, 0x08},
{0x5301, 0x30},
{0x5302, 0x10},
{0x5303, 0x00},
{0x5304, 0x08},
{0x5305, 0x30},
{0x5306, 0x08},
{0x5307, 0x16},
{0x5309, 0x08},
{0x530a, 0x30},
{0x530b, 0x04},
{0x530c, 0x06},
{0x5480, 0x01},
{0x5481, 0x08},
{0x5482, 0x14},
{0x5483, 0x28},
{0x5484, 0x51},
{0x5485, 0x65},
{0x5486, 0x71},
{0x5487, 0x7d},
{0x5488, 0x87},
{0x5489, 0x91},
{0x548a, 0x9a},
{0x548b, 0xaa},
{0x548c, 0xb8},
{0x548d, 0xcd},
{0x548e, 0xdd},
{0x548f, 0xea},
{0x5490, 0x1d},
{0x5580, 0x02},
{0x5583, 0x40},
{0x5584, 0x10},
{0x5589, 0x10},
{0x558a, 0x00},
{0x558b, 0xf8},
{0x5800, 0x23},
{0x5801, 0x14},
{0x5802, 0x0f},
{0x5803, 0x0f},
{0x5804, 0x12},
{0x5805, 0x26},
{0x5806, 0x0c},
{0x5807, 0x08},
{0x5808, 0x05},
{0x5809, 0x05},
{0x580a, 0x08},
{0x580b, 0x0d},
{0x580c, 0x08},
{0x580d, 0x03},
{0x580e, 0x00},
{0x580f, 0x00},
{0x5810, 0x03},
{0x5811, 0x09},
{0x5812, 0x07},
{0x5813, 0x03},
{0x5814, 0x00},
{0x5815, 0x01},
{0x5816, 0x03},
{0x5817, 0x08},
{0x5818, 0x0d},
{0x5819, 0x08},
{0x581a, 0x05},
{0x581b, 0x06},
{0x581c, 0x08},
{0x581d, 0x0e},
{0x581e, 0x29},
{0x581f, 0x17},
{0x5820, 0x11},
{0x5821, 0x11},
{0x5822, 0x15},
{0x5823, 0x28},
{0x5824, 0x46},
{0x5825, 0x26},
{0x5826, 0x08},
{0x5827, 0x26},
{0x5828, 0x64},
{0x5829, 0x26},
{0x582a, 0x24},
{0x582b, 0x22},
{0x582c, 0x24},
{0x582d, 0x24},
{0x582e, 0x06},
{0x582f, 0x22},
{0x5830, 0x40},
{0x5831, 0x42},
{0x5832, 0x24},
{0x5833, 0x26},
{0x5834, 0x24},
{0x5835, 0x22},
{0x5836, 0x22},
{0x5837, 0x26},
{0x5838, 0x44},
{0x5839, 0x24},
{0x583a, 0x26},
{0x583b, 0x28},
{0x583c, 0x42},
{0x583d, 0xce},
{0x5025, 0x00},
{0x3a0f, 0x30},
{0x3a10, 0x28},
{0x3a1b, 0x30},
{0x3a1e, 0x26},
{0x3a11, 0x60},
{0x3a1f, 0x14},
{0x3008, 0x02},
{0xffff, 0xff}
};
/*mipi lane bps : M*/
static struct resolution_param prev_resolution_array[] = {
{
.frmsize = {2592, 1944},
.active_frmsize = {2592, 1944},
.active_fps = 15,
.lanes = 2,
.bps = 672,
.size_type = SIZE_2592X1944,
.reg_script = OV5640_capture_5M_script,
},
{
.frmsize = {1920, 1080},
.active_frmsize = {1920, 1080},
.active_fps = 30,
.lanes = 2,
.bps = 672,
.size_type = SIZE_1920X1080,
.reg_script = OV5640_preview_1080P_script,
}, {
.frmsize = {1280, 720},
.active_frmsize = {1280, 720},
.active_fps = 60,
.lanes = 2,
.bps = 672,
.size_type = SIZE_1280X720,
.reg_script = OV5640_preview_720P_script,
},
};
static struct resolution_param capture_resolution_array[] = {
{
.frmsize = {2592, 1944},
.active_frmsize = {2592, 1944},
.active_fps = 15,
.lanes = 2,
.bps = 672,
.size_type = SIZE_2592X1944,
.reg_script = OV5640_capture_5M_script,
},
};
static inline uint64_t getTimestamp(void)
{
struct timespec64 ts;
ktime_get_real_ts64(&ts);
return ts.tv_sec * 1000000000ULL + ts.tv_nsec;
}
int OV5640_download_firmware(struct ov5640_device *dev)
{
struct i2c_client *client = v4l2_get_subdevdata(&dev->sd);
int i = 0;
while (1 && ov5640_have_opened) {
if (OV5640_AF_firmware[i].val == 0xff &&
OV5640_AF_firmware[i].addr == 0xffff) {
pr_info("download firmware success in initial OV5640.\n");
break;
}
if ((i2c_put_byte(client, OV5640_AF_firmware[i].addr,
OV5640_AF_firmware[i].val)) < 0) {
pr_info("fail in download firmware OV5640. i=%d\n", i);
break;
}
i++;
}
return 0;
}
static enum camera_focus_mode_e start_focus_mode = CAM_FOCUS_MODE_RELEASE;
static int OV5640_AutoFocus(struct ov5640_device *dev, int focus_mode);
static void do_download(struct work_struct *work)
{
struct ov5640_device *dev =
container_of(work, struct ov5640_device, dl_work);
struct i2c_client *client = v4l2_get_subdevdata(&dev->sd);
int ret;
int i = 10;
mutex_lock(&firmware_mutex);
if (ov5640_have_opened) {
if (OV5640_download_firmware(dev) >= 0) {
while (i-- && ov5640_have_opened) {
ret = i2c_get_byte(client, 0x3029);
if (ret == 0x70)
break;
else if (ret == -1)
continue;
msleep(20);
}
}
}
dev->firmware_ready = 1;
mutex_unlock(&firmware_mutex);
if (start_focus_mode) {
OV5640_AutoFocus(dev, (int)start_focus_mode);
start_focus_mode = CAM_FOCUS_MODE_RELEASE;
}
}
void OV5640_init_regs(struct ov5640_device *dev)
{
struct i2c_client *client = v4l2_get_subdevdata(&dev->sd);
int i = 0;
while (1) {
if (OV5640_script[i].val == 0xff &&
OV5640_script[i].addr == 0xffff) {
pr_info("success in initial OV5640\n");
break;
}
if ((i2c_put_byte(client, OV5640_script[i].addr,
OV5640_script[i].val)) < 0) {
pr_info("fail in initial OV5640\n");
return;
}
i++;
}
}
static unsigned long ov5640_preview_exposure;
static unsigned long ov5640_preview_extra_lines;
static unsigned long ov5640_gain;
static unsigned long ov5640_preview_maxlines;
static int Get_preview_exposure_gain(struct ov5640_device *dev)
{
int rc = 0;
unsigned int ret_l, ret_m, ret_h;
struct i2c_client *client = v4l2_get_subdevdata(&dev->sd);
ret_h = 0;
ret_m = 0;
ret_l = 0;
ret_h = i2c_get_byte(client, 0x350c);
ret_l = i2c_get_byte(client, 0x350d);
ov5640_preview_extra_lines = ((ret_h << 8) + ret_l);
i2c_put_byte(client, 0x3503, 0x07);
ret_h = 0;
ret_m = 0;
ret_l = 0;
ov5640_preview_exposure = 0;
ret_h = i2c_get_byte(client, 0x3500);
ret_m = i2c_get_byte(client, 0x3501);
ret_l = i2c_get_byte(client, 0x3502);
ov5640_preview_exposure = (ret_h << 12) + (ret_m << 4) + (ret_l >> 4);
ret_h = 0;
ret_m = 0;
ret_l = 0;
ov5640_preview_exposure =
ov5640_preview_exposure + (ov5640_preview_extra_lines) / 16;
ret_h = 0;
ret_m = 0;
ret_l = 0;
ov5640_preview_maxlines = 0;
ret_h = i2c_get_byte(client, 0x380e);
ret_l = i2c_get_byte(client, 0x380f);
ov5640_preview_maxlines = (ret_h << 8) + ret_l;
ov5640_gain = 0;
ov5640_gain = i2c_get_byte(client, 0x350b);
return rc;
}
static int cal_exposure(struct ov5640_device *dev, int pre_fps, int cap_fps)
{
int rc = 0;
struct i2c_client *client = v4l2_get_subdevdata(&dev->sd);
unsigned char ExposureLow, ExposureMid, ExposureHigh;
unsigned char Capture_MaxLines_High, Capture_MaxLines_Low;
unsigned int ret_l, ret_m, ret_h, Lines_10ms;
unsigned short ulCapture_Exposure, iCapture_Gain;
unsigned int ulCapture_Exposure_Gain, Capture_MaxLines;
ret_h = 0;
ret_m = 0;
ret_l = 0;
ret_h = i2c_get_byte(client, 0x380e);
ret_l = i2c_get_byte(client, 0x380f);
Capture_MaxLines = (ret_h << 8) + ret_l;
Capture_MaxLines = Capture_MaxLines + (ov5640_preview_extra_lines) / 16;
dprintk(dev, 3, "Capture_MaxLines=%d\n", Capture_MaxLines);
if (ov5640_qctrl[7].default_value == CAM_BANDING_60HZ)
Lines_10ms = cap_fps * Capture_MaxLines / 12000;
else
Lines_10ms = cap_fps * Capture_MaxLines / 10000;
if (ov5640_preview_maxlines == 0)
ov5640_preview_maxlines = 1;
ulCapture_Exposure =
(ov5640_preview_exposure * (cap_fps) * (Capture_MaxLines)) /
(((ov5640_preview_maxlines) * (pre_fps)));
iCapture_Gain = ov5640_gain;
ulCapture_Exposure_Gain = ulCapture_Exposure * iCapture_Gain;
if (ulCapture_Exposure_Gain < Capture_MaxLines * 16) {
ulCapture_Exposure = ulCapture_Exposure_Gain / 16;
if (ulCapture_Exposure > Lines_10ms) {
ulCapture_Exposure /= Lines_10ms;
ulCapture_Exposure *= Lines_10ms;
}
} else {
ulCapture_Exposure = Capture_MaxLines;
}
if (ulCapture_Exposure == 0)
ulCapture_Exposure = 1;
iCapture_Gain = (ulCapture_Exposure_Gain * 2 /
ulCapture_Exposure + 1) / 2;
ExposureLow = ((unsigned char)ulCapture_Exposure) << 4;
ExposureMid = (unsigned char)(ulCapture_Exposure >> 4) & 0xff;
ExposureHigh = (unsigned char)(ulCapture_Exposure >> 12);
Capture_MaxLines_Low = (unsigned char)(Capture_MaxLines & 0xff);
Capture_MaxLines_High = (unsigned char)(Capture_MaxLines >> 8);
i2c_put_byte(client, 0x380e, Capture_MaxLines_High);
i2c_put_byte(client, 0x380f, Capture_MaxLines_Low);
i2c_put_byte(client, 0x350b, iCapture_Gain);
i2c_put_byte(client, 0x3502, ExposureLow);
i2c_put_byte(client, 0x3501, ExposureMid);
i2c_put_byte(client, 0x3500, ExposureHigh);
dprintk(dev, 3, "iCapture_Gain=%d\n", iCapture_Gain);
dprintk(dev, 3, "ExposureLow=%d\n", ExposureLow);
dprintk(dev, 3, "ExposureMid=%d\n", ExposureMid);
dprintk(dev, 3, "ExposureHigh=%d\n", ExposureHigh);
return rc;
}
void OV5640_set_param_wb(struct ov5640_device *dev,
enum camera_wb_flip_e para)
{
struct i2c_client *client = v4l2_get_subdevdata(&dev->sd);
switch (para) {
case CAM_WB_AUTO:
i2c_put_byte(client, 0x3212, 0x03);
i2c_put_byte(client, 0x3406, 0x00);
i2c_put_byte(client, 0x3400, 0x04);
i2c_put_byte(client, 0x3401, 0x00);
i2c_put_byte(client, 0x3402, 0x04);
i2c_put_byte(client, 0x3403, 0x00);
i2c_put_byte(client, 0x3404, 0x04);
i2c_put_byte(client, 0x3405, 0x00);
i2c_put_byte(client, 0x3212, 0x13);
i2c_put_byte(client, 0x3212, 0xa3);
break;
case CAM_WB_CLOUD:
i2c_put_byte(client, 0x3212, 0x03);
i2c_put_byte(client, 0x3406, 0x01);
i2c_put_byte(client, 0x3400, 0x06);
i2c_put_byte(client, 0x3401, 0x48);
i2c_put_byte(client, 0x3402, 0x04);
i2c_put_byte(client, 0x3403, 0x00);
i2c_put_byte(client, 0x3404, 0x04);
i2c_put_byte(client, 0x3405, 0xd3);
i2c_put_byte(client, 0x3212, 0x13);
i2c_put_byte(client, 0x3212, 0xa3);
break;
case CAM_WB_DAYLIGHT:
i2c_put_byte(client, 0x3212, 0x03);
i2c_put_byte(client, 0x3406, 0x01);
i2c_put_byte(client, 0x3400, 0x06);
i2c_put_byte(client, 0x3401, 0x1c);
i2c_put_byte(client, 0x3402, 0x04);
i2c_put_byte(client, 0x3403, 0x00);
i2c_put_byte(client, 0x3404, 0x04);
i2c_put_byte(client, 0x3405, 0xf3);
i2c_put_byte(client, 0x3212, 0x13);
i2c_put_byte(client, 0x3212, 0xa3);
break;
case CAM_WB_INCANDESCENCE:
i2c_put_byte(client, 0x3212, 0x03);
i2c_put_byte(client, 0x3406, 0x01);
i2c_put_byte(client, 0x3400, 0x04);
i2c_put_byte(client, 0x3401, 0x10);
i2c_put_byte(client, 0x3402, 0x04);
i2c_put_byte(client, 0x3403, 0x00);
i2c_put_byte(client, 0x3404, 0x08);
i2c_put_byte(client, 0x3405, 0x40);
i2c_put_byte(client, 0x3212, 0x13);
i2c_put_byte(client, 0x3212, 0xa3);
break;
case CAM_WB_TUNGSTEN:
i2c_put_byte(client, 0x3212, 0x03);
i2c_put_byte(client, 0x3406, 0x01);
i2c_put_byte(client, 0x3400, 0x04);
i2c_put_byte(client, 0x3401, 0x10);
i2c_put_byte(client, 0x3402, 0x04);
i2c_put_byte(client, 0x3403, 0x00);
i2c_put_byte(client, 0x3404, 0x08);
i2c_put_byte(client, 0x3405, 0x40);
i2c_put_byte(client, 0x3212, 0x13);
i2c_put_byte(client, 0x3212, 0xa3);
break;
case CAM_WB_FLUORESCENT:
i2c_put_byte(client, 0x3212, 0x03);
i2c_put_byte(client, 0x3406, 0x01);
i2c_put_byte(client, 0x3400, 0x05);
i2c_put_byte(client, 0x3401, 0x48);
i2c_put_byte(client, 0x3402, 0x04);
i2c_put_byte(client, 0x3403, 0x00);
i2c_put_byte(client, 0x3404, 0x07);
i2c_put_byte(client, 0x3405, 0xcf);
i2c_put_byte(client, 0x3212, 0x13);
i2c_put_byte(client, 0x3212, 0xa3);
break;
case CAM_WB_MANUAL:
break;
default:
break;
}
}
void OV5640_set_param_exposure(struct ov5640_device *dev,
enum camera_exposure_e para)
{
struct i2c_client *client = v4l2_get_subdevdata(&dev->sd);
switch (para) {
case EXPOSURE_N4_STEP:
i2c_put_byte(client, 0x3a0f, 0x10);
i2c_put_byte(client, 0x3a10, 0x08);
i2c_put_byte(client, 0x3a1b, 0x10);
i2c_put_byte(client, 0x3a1e, 0x08);
i2c_put_byte(client, 0x3a11, 0x20);
i2c_put_byte(client, 0x3a1f, 0x10);
break;
case EXPOSURE_N3_STEP:
i2c_put_byte(client, 0x3a0f, 0x18);
i2c_put_byte(client, 0x3a10, 0x10);
i2c_put_byte(client, 0x3a1b, 0x18);
i2c_put_byte(client, 0x3a1e, 0x10);
i2c_put_byte(client, 0x3a11, 0x30);
i2c_put_byte(client, 0x3a1f, 0x10);
break;
case EXPOSURE_N2_STEP:
i2c_put_byte(client, 0x3a0f, 0x20);
i2c_put_byte(client, 0x3a10, 0x18);
i2c_put_byte(client, 0x3a11, 0x41);
i2c_put_byte(client, 0x3a1b, 0x20);
i2c_put_byte(client, 0x3a1e, 0x18);
i2c_put_byte(client, 0x3a1f, 0x10);
break;
case EXPOSURE_N1_STEP:
i2c_put_byte(client, 0x3a0f, 0x28);
i2c_put_byte(client, 0x3a10, 0x20);
i2c_put_byte(client, 0x3a11, 0x51);
i2c_put_byte(client, 0x3a1b, 0x28);
i2c_put_byte(client, 0x3a1e, 0x20);
i2c_put_byte(client, 0x3a1f, 0x10);
break;
case EXPOSURE_0_STEP:
i2c_put_byte(client, 0x3a0f, 0x38);
i2c_put_byte(client, 0x3a10, 0x30);
i2c_put_byte(client, 0x3a11, 0x61);
i2c_put_byte(client, 0x3a1b, 0x38);
i2c_put_byte(client, 0x3a1e, 0x30);
i2c_put_byte(client, 0x3a1f, 0x10);
break;
case EXPOSURE_P1_STEP:
i2c_put_byte(client, 0x3a0f, 0x48);
i2c_put_byte(client, 0x3a10, 0x40);
i2c_put_byte(client, 0x3a11, 0x80);
i2c_put_byte(client, 0x3a1b, 0x48);
i2c_put_byte(client, 0x3a1e, 0x40);
i2c_put_byte(client, 0x3a1f, 0x20);
break;
case EXPOSURE_P2_STEP:
i2c_put_byte(client, 0x3a0f, 0x50);
i2c_put_byte(client, 0x3a10, 0x48);
i2c_put_byte(client, 0x3a11, 0x90);
i2c_put_byte(client, 0x3a1b, 0x50);
i2c_put_byte(client, 0x3a1e, 0x48);
i2c_put_byte(client, 0x3a1f, 0x20);
break;
case EXPOSURE_P3_STEP:
i2c_put_byte(client, 0x3a0f, 0x58);
i2c_put_byte(client, 0x3a10, 0x50);
i2c_put_byte(client, 0x3a11, 0x91);
i2c_put_byte(client, 0x3a1b, 0x58);
i2c_put_byte(client, 0x3a1e, 0x50);
i2c_put_byte(client, 0x3a1f, 0x20);
break;
case EXPOSURE_P4_STEP:
i2c_put_byte(client, 0x3a0f, 0x60);
i2c_put_byte(client, 0x3a10, 0x58);
i2c_put_byte(client, 0x3a11, 0xa0);
i2c_put_byte(client, 0x3a1b, 0x60);
i2c_put_byte(client, 0x3a1e, 0x58);
i2c_put_byte(client, 0x3a1f, 0x20);
break;
default:
i2c_put_byte(client, 0x3a0f, 0x38);
i2c_put_byte(client, 0x3a10, 0x30);
i2c_put_byte(client, 0x3a11, 0x61);
i2c_put_byte(client, 0x3a1b, 0x38);
i2c_put_byte(client, 0x3a1e, 0x30);
i2c_put_byte(client, 0x3a1f, 0x10);
break;
}
}
void OV5640_set_param_effect(struct ov5640_device *dev,
enum camera_effect_flip_e para)
{
struct i2c_client *client = v4l2_get_subdevdata(&dev->sd);
switch (para) {
case CAM_EFFECT_ENC_NORMAL:
i2c_put_byte(client, 0x5001, 0x03);
break;
case CAM_EFFECT_ENC_GRAYSCALE:
i2c_put_byte(client, 0x5001, 0x83);
i2c_put_byte(client, 0x5580, 0x20);
break;
case CAM_EFFECT_ENC_SEPIA:
break;
case CAM_EFFECT_ENC_SEPIAGREEN:
break;
case CAM_EFFECT_ENC_SEPIABLUE:
break;
case CAM_EFFECT_ENC_COLORINV:
i2c_put_byte(client, 0x5001, 0x83);
i2c_put_byte(client, 0x5580, 0x40);
break;
default:
break;
}
}
static void OV5640_set_param_banding(struct ov5640_device *dev,
enum camera_banding_flip_e banding)
{
struct i2c_client *client = v4l2_get_subdevdata(&dev->sd);
switch (banding) {
case CAM_BANDING_60HZ:
pr_info("set banding 60Hz\n");
i2c_put_byte(client, 0x3c00, 0x00);
break;
case CAM_BANDING_50HZ:
pr_info("set banding 50Hz\n");
i2c_put_byte(client, 0x3c00, 0x04);
break;
default:
break;
}
}
static int OV5640_AutoFocus(struct ov5640_device *dev, int focus_mode)
{
struct i2c_client *client = v4l2_get_subdevdata(&dev->sd);
int ret = 0;
switch (focus_mode) {
case CAM_FOCUS_MODE_AUTO:
i2c_put_byte(client, 0x3023, 0x1);
i2c_put_byte(client, 0x3022, 0x3);
bDoingAutoFocusMode = true;
pr_info("auto mode start\n");
break;
case CAM_FOCUS_MODE_CONTI_VID:
case CAM_FOCUS_MODE_CONTI_PIC:
i2c_put_byte(client, 0x3022, 0x4);
i2c_put_byte(client, 0x3023, 0x1);
pr_info("start continuous focus\n");
break;
case CAM_FOCUS_MODE_RELEASE:
case CAM_FOCUS_MODE_FIXED:
default:
i2c_put_byte(client, 0x3023, 0x1);
i2c_put_byte(client, 0x3022, 0x8);
pr_info("release focus to infinite\n");
break;
}
return ret;
}
static int OV5640_FlashCtrl(struct ov5640_device *dev, int flash_mode)
{
int ret = 0;
switch (flash_mode) {
case FLASHLIGHT_ON:
case FLASHLIGHT_AUTO:
if (dev->cam_info.torch_support)
aml_cam_torch(&dev->cam_info, 1);
aml_cam_flash(&dev->cam_info, 1);
break;
case FLASHLIGHT_TORCH:
if (dev->cam_info.torch_support) {
aml_cam_torch(&dev->cam_info, 1);
aml_cam_flash(&dev->cam_info, 0);
} else {
aml_cam_torch(&dev->cam_info, 1);
}
break;
case FLASHLIGHT_OFF:
aml_cam_flash(&dev->cam_info, 0);
if (dev->cam_info.torch_support)
aml_cam_torch(&dev->cam_info, 0);
break;
default:
pr_info("this flash mode not support yet\n");
break;
}
return ret;
}
static enum resolution_size get_size_type(int width, int height)
{
enum resolution_size rv = SIZE_NULL;
if (width * height >= 2500 * 1900)
rv = SIZE_2592X1944;
else if (width * height >= 2000 * 1500)
rv = SIZE_2048X1536;
else if (width * height >= 1920 * 1080)
rv = SIZE_1920X1080;
else if (width * height >= 1600 * 1200)
rv = SIZE_1600X1200;
else if (width * height >= 1280 * 960)
rv = SIZE_1280X960;
else if (width * height >= 1280 * 720)
rv = SIZE_1280X720;
else if (width * height >= 1024 * 768)
rv = SIZE_1024X768;
else if (width * height >= 800 * 600)
rv = SIZE_800X600;
else if (width * height >= 600 * 400)
rv = SIZE_640X480;
else if (width * height >= 352 * 288)
rv = SIZE_352X288;
else if (width * height >= 300 * 200)
rv = SIZE_320X240;
else if (width * height >= 170 * 140)
rv = SIZE_176X144;
return rv;
}
static int set_flip(struct ov5640_device *dev)
{
struct i2c_client *client = v4l2_get_subdevdata(&dev->sd);
unsigned char temp;
temp = i2c_get_byte(client, 0x3821);
temp &= 0xf9;
temp |= dev->cam_info.m_flip << 1 | dev->cam_info.m_flip << 2;
if ((i2c_put_byte(client, 0x3821, temp)) < 0) {
pr_info("fail in setting sensor orientation\n");
return -1;
}
temp = i2c_get_byte(client, 0x3820);
temp &= 0xf9;
temp |= dev->cam_info.v_flip << 1 | dev->cam_info.v_flip << 2;
if ((i2c_put_byte(client, 0x3820, temp)) < 0) {
pr_info("fail in setting sensor orientation\n");
return -1;
}
return 0;
}
static struct resolution_param *get_resolution_param(struct ov5640_device *dev,
int is_capture, int width, int height)
{
int i = 0;
int arry_size = 0;
struct resolution_param *tmp_resolution_param = NULL;
enum resolution_size res_type = SIZE_NULL;
res_type = get_size_type(width, height);
if (res_type == SIZE_NULL)
return NULL;
if (is_capture) {
tmp_resolution_param = capture_resolution_array;
arry_size = sizeof(capture_resolution_array) /
sizeof(capture_resolution_array[0]);
} else {
tmp_resolution_param = prev_resolution_array;
arry_size = sizeof(prev_resolution_array) /
sizeof(prev_resolution_array[0]);
ov5640_frmintervals_active.denominator = 23;
ov5640_frmintervals_active.numerator = 1;
}
for (i = 0; i < arry_size; i++) {
if (tmp_resolution_param[i].size_type == res_type) {
ov5640_frmintervals_active.denominator =
tmp_resolution_param[i].active_fps;
ov5640_frmintervals_active.numerator = 1;
return &tmp_resolution_param[i];
}
}
return NULL;
}
static int set_resolution_param(struct ov5640_device *dev,
struct resolution_param *res_param)
{
struct i2c_client *client = v4l2_get_subdevdata(&dev->sd);
int i = 0;
if (!res_param->reg_script) {
pr_info("error, resolution reg script is NULL\n");
return -1;
}
pr_info("res_para->size_type = %d, res_param->frmsize.width = %d, height = %d\n",
res_param->size_type, res_param->frmsize.width,
res_param->frmsize.height);
while (1) {
if (res_param->reg_script[i].val == 0xff &&
res_param->reg_script[i].addr == 0xffff) {
pr_info("setting resolution param complete\n");
break;
}
if ((i2c_put_byte(client, res_param->reg_script[i].addr,
res_param->reg_script[i].val)) < 0) {
pr_info("fail in setting resolution param.i=%d\n", i);
break;
}
i++;
}
dev->cur_resolution_param = res_param;
set_flip(dev);
return 0;
}
static int set_focus_zone(struct ov5640_device *dev, int value)
{
int xc, yc;
struct i2c_client *client = v4l2_get_subdevdata(&dev->sd);
int retry_count = 10;
int ret = -1;
xc = ((value >> 16) & 0xffff) * 80 / 2000;
yc = (value & 0xffff) * 60 / 2000;
pr_info("xc = %d, yc = %d\n", xc, yc);
i2c_put_byte(client, CMD_PARA0, xc);
i2c_put_byte(client, CMD_PARA1, yc);
i2c_put_byte(client, CMD_ACK, 0x01);
i2c_put_byte(client, CMD_MAIN, 0x81);
do {
msleep(20);
pr_info("waiting for focus zone to be set\n");
} while (i2c_get_byte(client, CMD_ACK) && retry_count--);
if (retry_count)
ret = 0;
return ret;
}
unsigned char v4l_2_ov5640(int val)
{
int ret = val / 0x20;
if (ret < 4)
return ret * 0x20 + 0x80;
else if (ret < 8)
return ret * 0x20 + 0x20;
else
return 0;
}
static int convert_canvas_index(unsigned int v4l2_format,
unsigned int start_canvas)
{
int canvas = start_canvas;
switch (v4l2_format) {
case V4L2_PIX_FMT_RGB565X:
case V4L2_PIX_FMT_VYUY:
canvas = start_canvas;
break;
case V4L2_PIX_FMT_YUV444:
case V4L2_PIX_FMT_BGR24:
case V4L2_PIX_FMT_RGB24:
canvas = start_canvas;
break;
case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_NV21:
canvas = start_canvas | ((start_canvas + 1) << 8);
break;
case V4L2_PIX_FMT_YVU420:
case V4L2_PIX_FMT_YUV420:
if (v4l2_format == V4L2_PIX_FMT_YUV420)
canvas =
start_canvas |
((start_canvas + 1) << 8) |
((start_canvas + 2) << 16);
else
canvas =
start_canvas |
((start_canvas + 2) << 8) |
((start_canvas + 1) << 16);
break;
default:
break;
}
return canvas;
}
static int ov5640_setting(struct ov5640_device *dev, int PROP_ID, int value)
{
int ret = 0;
struct i2c_client *client = v4l2_get_subdevdata(&dev->sd);
switch (PROP_ID) {
case V4L2_CID_BRIGHTNESS:
mutex_lock(&firmware_mutex);
dprintk(dev, 1, "setting brighten:%d\n", v4l_2_ov5640(value));
ret = i2c_put_byte(client, 0x0201, v4l_2_ov5640(value));
mutex_unlock(&firmware_mutex);
break;
case V4L2_CID_CONTRAST:
mutex_lock(&firmware_mutex);
ret = i2c_put_byte(client, 0x0200, value);
mutex_unlock(&firmware_mutex);
break;
case V4L2_CID_SATURATION:
mutex_lock(&firmware_mutex);
ret = i2c_put_byte(client, 0x0202, value);
mutex_unlock(&firmware_mutex);
break;
case V4L2_CID_HFLIP:
value = value & 0x3;
if (ov5640_qctrl[2].default_value != value) {
ov5640_qctrl[2].default_value = value;
dprintk(dev, 3, "set camera h filp =%d\n", value);
}
break;
case V4L2_CID_VFLIP:
break;
case V4L2_CID_DO_WHITE_BALANCE:
mutex_lock(&firmware_mutex);
if (ov5640_qctrl[4].default_value != value) {
ov5640_qctrl[4].default_value = value;
OV5640_set_param_wb(dev, value);
dprintk(dev, 3, "set camera white_balance=%d\n", value);
}
mutex_unlock(&firmware_mutex);
break;
case V4L2_CID_EXPOSURE:
mutex_lock(&firmware_mutex);
if (ov5640_qctrl[5].default_value != value) {
ov5640_qctrl[5].default_value = value;
OV5640_set_param_exposure(dev, value);
dprintk(dev, 3, "set camera exposure=%d\n", value);
}
mutex_unlock(&firmware_mutex);
break;
case V4L2_CID_COLORFX:
mutex_lock(&firmware_mutex);
if (ov5640_qctrl[6].default_value != value) {
ov5640_qctrl[6].default_value = value;
OV5640_set_param_effect(dev, value);
dprintk(dev, 3, "set camera effect=%d\n", value);
}
mutex_unlock(&firmware_mutex);
break;
case V4L2_CID_WHITENESS:
mutex_lock(&firmware_mutex);
if (ov5640_qctrl[7].default_value != value) {
ov5640_qctrl[7].default_value = value;
OV5640_set_param_banding(dev, value);
dprintk(dev, 3, "set camera banding=%d\n", value);
}
mutex_unlock(&firmware_mutex);
break;
case V4L2_CID_FOCUS_AUTO:
mutex_lock(&firmware_mutex);
if (ov5640_have_opened) {
if (dev->firmware_ready)
ret = OV5640_AutoFocus(dev, value);
else if (value == CAM_FOCUS_MODE_CONTI_VID ||
value == CAM_FOCUS_MODE_CONTI_PIC)
start_focus_mode = value;
else
ret = -1;
}
mutex_unlock(&firmware_mutex);
break;
case V4L2_CID_BACKLIGHT_COMPENSATION:
if (dev->cam_info.flash_support)
ret = OV5640_FlashCtrl(dev, value);
else
ret = -1;
break;
case V4L2_CID_ZOOM_ABSOLUTE:
if (ov5640_qctrl[10].default_value != value)
ov5640_qctrl[10].default_value = value;
break;
case V4L2_CID_ROTATE:
if (ov5640_qctrl[11].default_value != value) {
ov5640_qctrl[11].default_value = value;
dprintk(dev, 3, "set camera rotate =%d\n", value);
}
break;
case V4L2_CID_FOCUS_ABSOLUTE:
if (ov5640_qctrl[12].default_value != value) {
ov5640_qctrl[12].default_value = value;
dprintk(dev, 3, "set camera focus zone =%d\n", value);
set_focus_zone(dev, value);
}
break;
default:
ret = -1;
break;
}
return ret;
}
static void power_down_ov5640(struct ov5640_device *dev)
{
struct i2c_client *client = v4l2_get_subdevdata(&dev->sd);
i2c_put_byte(client, 0x3022, 0x8);
i2c_put_byte(client, 0x3008, 0x42);
}
#define TSTAMP_MIN_Y 24
#define TSTAMP_MAX_Y (TSTAMP_MIN_Y + 15)
#define TSTAMP_INPUT_X 10
#define TSTAMP_MIN_X (54 + TSTAMP_INPUT_X)
static void ov5640_fillbuff(struct ov5640_fh *fh, struct ov5640_buffer *buf)
{
int ret;
struct ov5640_device *dev = fh->dev;
void *vbuf = (void *)videobuf_to_res(&buf->vb);
struct vm_output_para para = {0};
dprintk(dev, 1, "%s\n", __func__);
if (!vbuf)
return;
if (buf->canvas_id == 0)
buf->canvas_id = convert_canvas_index(fh->fmt->fourcc,
OV5640_RES0_CANVAS_INDEX + buf->vb.i * 3);
para.mirror = ov5640_qctrl[2].default_value & 3;
para.v4l2_format = fh->fmt->fourcc;
para.v4l2_memory = MAGIC_RE_MEM;
para.zoom = ov5640_qctrl[10].default_value;
para.angle = ov5640_qctrl[11].default_value;
para.vaddr = (uintptr_t)vbuf;
para.ext_canvas = 0;
para.width = buf->vb.width;
para.height =
(buf->vb.height == 1080) ? 1088 : buf->vb.height;
dev->vminfo.vdin_id = dev->cam_info.vdin_path;
ret = vm_fill_this_buffer(&buf->vb, &para, &dev->vminfo);
if (ret == -2)
msleep(40);
buf->vb.state = VIDEOBUF_DONE;
}
static void ov5640_thread_tick(struct ov5640_fh *fh)
{
struct ov5640_buffer *buf;
struct ov5640_device *dev = fh->dev;
struct ov5640_dmaqueue *dma_q = &dev->vidq;
unsigned long flags = 0;
dprintk(dev, 1, "Thread tick\n");
if (!fh->stream_on) {
dprintk(dev, 1, "sensor doesn't stream on\n");
return;
}
spin_lock_irqsave(&dev->slock, flags);
if (list_empty(&dma_q->active)) {
dprintk(dev, 1, "No active queue to serve\n");
goto unlock;
}
buf = list_entry(dma_q->active.next,
struct ov5640_buffer, vb.queue);
dprintk(dev, 1, "%s\n", __func__);
dprintk(dev, 1, "list entry get buf is %p\n", buf);
if (!(fh->f_flags & O_NONBLOCK)) {
/* Nobody is waiting on this buffer, return */
if (!waitqueue_active(&buf->vb.done))
goto unlock;
}
buf->vb.state = VIDEOBUF_ACTIVE;
list_del(&buf->vb.queue);
buf->vb.ts = getTimestamp();
spin_unlock_irqrestore(&dev->slock, flags);
ov5640_fillbuff(fh, buf);
dprintk(dev, 1, "filled buffer %p\n", buf);
wake_up(&buf->vb.done);
dprintk(dev, 2, "[%p/%d] wakeup\n", buf, buf->vb. i);
return;
unlock:
spin_unlock_irqrestore(&dev->slock, flags);
}
static void ov5640_sleep(struct ov5640_fh *fh)
{
struct ov5640_device *dev = fh->dev;
struct ov5640_dmaqueue *dma_q = &dev->vidq;
DECLARE_WAITQUEUE(wait, current);
dprintk(dev, 1, "%s dma_q=0x%08lx\n", __func__,
(unsigned long)dma_q);
add_wait_queue(&dma_q->wq, &wait);
if (kthread_should_stop())
goto stop_task;
ov5640_thread_tick(fh);
schedule_timeout_interruptible(1);
stop_task:
remove_wait_queue(&dma_q->wq, &wait);
try_to_freeze();
}
static int ov5640_thread(void *data)
{
struct ov5640_fh *fh = data;
struct ov5640_device *dev = fh->dev;
dprintk(dev, 1, "thread started\n");
set_freezable();
for (;;) {
ov5640_sleep(fh);
if (kthread_should_stop())
break;
}
dprintk(dev, 1, "thread: exit\n");
return 0;
}
static int ov5640_start_thread(struct ov5640_fh *fh)
{
struct ov5640_device *dev = fh->dev;
struct ov5640_dmaqueue *dma_q = &dev->vidq;
dma_q->frame = 0;
dma_q->ini_jiffies = jiffies;
dprintk(dev, 1, "%s\n", __func__);
dma_q->kthread = kthread_run(ov5640_thread, fh, "ov5640");
if (IS_ERR(dma_q->kthread)) {
v4l2_err(&dev->v4l2_dev, "kernel_thread() failed\n");
return PTR_ERR(dma_q->kthread);
}
wake_up_interruptible(&dma_q->wq);
dprintk(dev, 1, "returning from %s\n", __func__);
return 0;
}
static void ov5640_stop_thread(struct ov5640_dmaqueue *dma_q)
{
struct ov5640_device *dev =
container_of(dma_q, struct ov5640_device, vidq);
dprintk(dev, 1, "%s\n", __func__);
if (dma_q->kthread) {
kthread_stop(dma_q->kthread);
dma_q->kthread = NULL;
}
}
static int
buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size)
{
struct videobuf_res_privdata *res = vq->priv_data;
struct ov5640_fh *fh = container_of(res, struct ov5640_fh, res);
struct ov5640_device *dev = fh->dev;
int height = fh->height;
if (height == 1080)
height = 1088;
*size = (fh->width * height * fh->fmt->depth) >> 3;
if (*count == 0)
*count = 32;
while (*size * *count > vid_limit * 1024 * 1024)
(*count)--;
dprintk(dev, 1, "%s, count=%d, size=%d\n", __func__,
*count, *size);
return 0;
}
static void free_buffer(struct videobuf_queue *vq, struct ov5640_buffer *buf)
{
struct videobuf_res_privdata *res = vq->priv_data;
struct ov5640_fh *fh = container_of(res, struct ov5640_fh, res);
struct ov5640_device *dev = fh->dev;
dprintk(dev, 1, "%s, state: %i\n", __func__, buf->vb.state);
videobuf_waiton(vq, &buf->vb, 0, 0);
if (in_interrupt())
WARN_ON(1);
videobuf_res_free(vq, &buf->vb);
dprintk(dev, 1, "free buffer: freed\n");
buf->vb.state = VIDEOBUF_NEEDS_INIT;
}
#define norm_maxw() 3000
#define norm_maxh() 3000
static int
buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
enum v4l2_field field)
{
struct videobuf_res_privdata *res = vq->priv_data;
struct ov5640_fh *fh = container_of(res, struct ov5640_fh, res);
struct ov5640_device *dev = fh->dev;
struct ov5640_buffer *buf = container_of(vb, struct ov5640_buffer, vb);
int rc;
dprintk(dev, 1, "%s, field=%d\n", __func__, field);
WARN_ON(!fh->fmt);
if (fh->width < 48 || fh->width > norm_maxw() ||
fh->height < 32 || fh->height > norm_maxh())
return -EINVAL;
buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
if (buf->vb.baddr != 0 && buf->vb.bsize < buf->vb.size)
return -EINVAL;
buf->fmt = fh->fmt;
buf->vb.width = fh->width;
buf->vb.height = fh->height;
buf->vb.field = field;
if (buf->vb.state == VIDEOBUF_NEEDS_INIT) {
rc = videobuf_iolock(vq, &buf->vb, NULL);
if (rc < 0)
goto fail;
}
buf->vb.state = VIDEOBUF_PREPARED;
return 0;
fail:
free_buffer(vq, buf);
return rc;
}
static void
buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
struct ov5640_buffer *buf =
container_of(vb, struct ov5640_buffer, vb);
struct videobuf_res_privdata *res = vq->priv_data;
struct ov5640_fh *fh = container_of(res, struct ov5640_fh, res);
struct ov5640_device *dev = fh->dev;
struct ov5640_dmaqueue *vidq = &dev->vidq;
dprintk(dev, 1, "%s\n", __func__);
buf->vb.state = VIDEOBUF_QUEUED;
list_add_tail(&buf->vb.queue, &vidq->active);
}
static void buffer_release(struct videobuf_queue *vq,
struct videobuf_buffer *vb)
{
struct ov5640_buffer *buf =
container_of(vb, struct ov5640_buffer, vb);
struct videobuf_res_privdata *res = vq->priv_data;
struct ov5640_fh *fh = container_of(res, struct ov5640_fh, res);
struct ov5640_device *dev = (struct ov5640_device *)fh->dev;
dprintk(dev, 1, "%s\n", __func__);
free_buffer(vq, buf);
}
static struct videobuf_queue_ops ov5640_video_qops = {
.buf_setup = buffer_setup,
.buf_prepare = buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = buffer_release,
};
static int vidioc_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
struct ov5640_fh *fh = priv;
struct ov5640_device *dev = fh->dev;
strcpy(cap->driver, "ov5640");
strcpy(cap->card, "ov5640.canvas");
if (dev->cam_info.front_back == 0)
strcat(cap->card, "back");
else
strcat(cap->card, "front");
strscpy(cap->bus_info, dev->v4l2_dev.name, sizeof(cap->bus_info));
cap->version = OV5640_CAMERA_VERSION;
cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING
| V4L2_CAP_READWRITE;
cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
return 0;
}
static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
struct ov5640_fmt *fmt;
if (f->index >= ARRAY_SIZE(formats))
return -EINVAL;
fmt = &formats[f->index];
strscpy(f->description, fmt->name, sizeof(f->description));
f->pixelformat = fmt->fourcc;
return 0;
}
static inline u32 get_bytesperline(struct ov5640_fmt *fmt, u32 width)
{
switch (fmt->fourcc) {
case V4L2_PIX_FMT_YUV420:
case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_NV21:
return width;
default:
return (width * fmt->depth) >> 3;
}
}
static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct ov5640_fh *fh = priv;
pr_info("%s, fh->width =%d,fh->height=%d\n",
__func__, fh->width, fh->height);
f->fmt.pix.width = fh->width;
f->fmt.pix.height = fh->height;
f->fmt.pix.field = fh->vb_vidq.field;
f->fmt.pix.pixelformat = fh->fmt->fourcc;
f->fmt.pix.bytesperline = get_bytesperline(fh->fmt, fh->width);
f->fmt.pix.sizeimage =
(f->fmt.pix.height * f->fmt.pix.width * fh->fmt->depth) >> 3;
return 0;
}
static int vidioc_enum_frameintervals(struct file *file, void *priv,
struct v4l2_frmivalenum *fival)
{
unsigned int k;
if (fival->index > ARRAY_SIZE(ov5640_frmivalenum))
return -EINVAL;
for (k = 0; k < ARRAY_SIZE(ov5640_frmivalenum); k++) {
if (fival->index == ov5640_frmivalenum[k].index &&
fival->pixel_format ==
ov5640_frmivalenum[k].pixel_format &&
fival->width == ov5640_frmivalenum[k].width &&
fival->height == ov5640_frmivalenum[k].height) {
memcpy(fival, &ov5640_frmivalenum[k],
sizeof(struct v4l2_frmivalenum));
return 0;
}
}
return -EINVAL;
}
static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct ov5640_fh *fh = priv;
struct ov5640_device *dev = fh->dev;
struct ov5640_fmt *fmt;
enum v4l2_field field;
unsigned int maxw, maxh;
fmt = get_format(f);
if (!fmt) {
dprintk(dev, 1, "Fourcc format (0x%08x) invalid.\n",
f->fmt.pix.pixelformat);
return -EINVAL;
}
field = f->fmt.pix.field;
if (field == V4L2_FIELD_ANY) {
field = V4L2_FIELD_INTERLACED;
} else if (field != V4L2_FIELD_INTERLACED) {
dprintk(dev, 1, "Field type invalid.\n");
}
maxw = norm_maxw();
maxh = norm_maxh();
f->fmt.pix.field = field;
v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
&f->fmt.pix.height, 32, maxh, 0, 0);
f->fmt.pix.bytesperline = get_bytesperline(fmt, f->fmt.pix.width);
f->fmt.pix.sizeimage =
(f->fmt.pix.height * f->fmt.pix.width * fmt->depth) >> 3;
return 0;
}
static struct resolution_param *prev_res;
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct ov5640_fh *fh = priv;
struct videobuf_queue *q = &fh->vb_vidq;
struct ov5640_device *dev = fh->dev;
struct resolution_param *res_param = NULL;
int ret;
int cap_fps, pre_fps;
f->fmt.pix.width = (f->fmt.pix.width + (CANVAS_WIDTH_ALIGN - 1)) &
(~(CANVAS_WIDTH_ALIGN - 1));
if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YVU420 ||
f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUV420) {
f->fmt.pix.width =
(f->fmt.pix.width + (CANVAS_WIDTH_ALIGN * 2 - 1)) &
(~(CANVAS_WIDTH_ALIGN * 2 - 1));
}
ret = vidioc_try_fmt_vid_cap(file, fh, f);
if (ret < 0)
return ret;
mutex_lock(&q->vb_lock);
if (videobuf_queue_is_busy(&fh->vb_vidq)) {
dprintk(fh->dev, 1, "%s queue busy\n", __func__);
ret = -EBUSY;
goto out;
}
fh->fmt = get_format(f);
fh->width = f->fmt.pix.width;
fh->height = f->fmt.pix.height;
fh->vb_vidq.field = f->fmt.pix.field;
fh->type = f->type;
dprintk(dev, 3,
"system aquire ...fh->height=%d, fh->width= %d\n",
fh->height, fh->width);
if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_RGB24) {
res_param = get_resolution_param(dev, 0, fh->width, fh->height);
if (!res_param) {
pr_err("error, resolution param not get\n");
goto out;
}
Get_preview_exposure_gain(dev);
set_resolution_param(dev, res_param);
if (prev_res && (prev_res->size_type == SIZE_1280X960 ||
prev_res->size_type == SIZE_1024X768)) {
pre_fps = 1500;
} else if (prev_res && prev_res->size_type == SIZE_1280X720) {
pre_fps = 3000;
} else {
pre_fps = 1500;
}
cap_fps = 500;
cal_exposure(dev, pre_fps, cap_fps);
dprintk(dev, 3, "pre_fps=%d,cap_fps=%d\n", pre_fps, cap_fps);
} else {
res_param = get_resolution_param(dev, 0, fh->width, fh->height);
if (!res_param) {
pr_err("error, resolution param not get\n");
goto out;
}
set_resolution_param(dev, res_param);
prev_res = res_param;
}
ret = 0;
out:
mutex_unlock(&q->vb_lock);
return ret;
}
static int vidioc_g_parm(struct file *file, void *priv,
struct v4l2_streamparm *parms)
{
struct ov5640_fh *fh = priv;
struct ov5640_device *dev = fh->dev;
struct v4l2_captureparm *cp = &parms->parm.capture;
dprintk(dev, 3, "vidioc g parm\n");
if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
memset(cp, 0, sizeof(struct v4l2_captureparm));
cp->capability = V4L2_CAP_TIMEPERFRAME;
cp->timeperframe = ov5640_frmintervals_active;
pr_info("g_parm,deno=%d, numerator=%d\n", cp->timeperframe.denominator,
cp->timeperframe.numerator);
return 0;
}
static int vidioc_reqbufs(struct file *file, void *priv,
struct v4l2_requestbuffers *p)
{
struct ov5640_fh *fh = priv;
return videobuf_reqbufs(&fh->vb_vidq, p);
}
static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
struct ov5640_fh *fh = priv;
int ret = videobuf_querybuf(&fh->vb_vidq, p);
if (get_cpu_type() == MESON_CPU_MAJOR_ID_M8) {
if (ret == 0) {
p->reserved =
convert_canvas_index(fh->fmt->fourcc,
OV5640_RES0_CANVAS_INDEX + p->index * 3);
} else {
p->reserved = 0;
}
}
return ret;
}
static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
struct ov5640_fh *fh = priv;
return videobuf_qbuf(&fh->vb_vidq, p);
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
struct ov5640_fh *fh = priv;
return (videobuf_dqbuf(&fh->vb_vidq, p,
file->f_flags & O_NONBLOCK));
}
#ifdef CONFIG_VIDEO_V4L1_COMPAT
static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf)
{
struct ov5640_fh *fh = priv;
return videobuf_cgmbuf(&fh->vb_vidq, mbuf, 8);
}
#endif
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct ov5640_fh *fh = priv;
struct ov5640_device *dev = fh->dev;
struct vdin_parm_s para;
unsigned int vdin_path;
int ret = 0;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (i != fh->type)
return -EINVAL;
memset(&para, 0, sizeof(para));
para.port = TVIN_PORT_MIPI;
para.fmt = TVIN_SIG_FMT_MAX;
if (fh->dev->cur_resolution_param) {
para.frame_rate =
ov5640_frmintervals_active.denominator;
para.h_active =
fh->dev->cur_resolution_param->active_frmsize.width;
para.v_active =
fh->dev->cur_resolution_param->active_frmsize.height;
para.hs_bp = 0;
para.vs_bp = 2;
para.scan_mode = TVIN_SCAN_MODE_PROGRESSIVE;
} else {
pr_info("error, cur_resolution_param is NULL\n");
}
vdin_path = fh->dev->cam_info.vdin_path;
pr_info("%s: h_active=%d; v_active=%d, frame_rate=%d,vdin_path=%d\n",
__func__, para.h_active, para.v_active,
para.frame_rate, vdin_path);
if (temp_frame < 0) {
temp_frame = para.frame_rate;
para.skip_count = 2;
} else {
temp_frame = para.frame_rate;
para.skip_count = 5;
}
para.cfmt = TVIN_YUV422;
para.dfmt = TVIN_NV21;
para.hsync_phase = 1;
para.vsync_phase = 1;
para.bt_path = dev->cam_info.bt_path;
/*config mipi parameter*/
para.csi_hw_info.settle = fh->dev->cur_resolution_param->bps;
para.csi_hw_info.lanes = fh->dev->cur_resolution_param->lanes;
pr_info("ov5640 stream on.\n");
ret = videobuf_streamon(&fh->vb_vidq);
if (ret == 0) {
pr_info("ov5640 start tvin service.\n");
vops->start_tvin_service(vdin_path, &para);
fh->stream_on = 1;
}
OV5640_set_param_wb(dev, ov5640_qctrl[4].default_value);
return ret;
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct ov5640_fh *fh = priv;
int ret = 0;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (i != fh->type)
return -EINVAL;
ret = videobuf_streamoff(&fh->vb_vidq);
if (ret == 0) {
vops->stop_tvin_service(0);
fh->stream_on = 0;
}
return ret;
}
static int vidioc_enum_framesizes(struct file *file, void *fh,
struct v4l2_frmsizeenum *fsize)
{
int ret = 0, i = 0;
struct ov5640_fmt *fmt = NULL;
struct v4l2_frmsize_discrete *frmsize = NULL;
for (i = 0; i < ARRAY_SIZE(formats); i++) {
if (formats[i].fourcc == fsize->pixel_format) {
fmt = &formats[i];
break;
}
}
if (!fmt)
return -EINVAL;
if (fmt->fourcc == V4L2_PIX_FMT_NV21 ||
fmt->fourcc == V4L2_PIX_FMT_NV12 ||
fmt->fourcc == V4L2_PIX_FMT_YUV420 ||
fmt->fourcc == V4L2_PIX_FMT_YVU420 ||
fmt->fourcc == V4L2_PIX_FMT_RGB24) {
if (fsize->index >= ARRAY_SIZE(prev_resolution_array))
return -EINVAL;
frmsize = &prev_resolution_array[fsize->index].frmsize;
fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
fsize->discrete.width = frmsize->width;
fsize->discrete.height = frmsize->height;
}
return ret;
}
static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id i)
{
return 0;
}
static int vidioc_enum_input(struct file *file, void *priv,
struct v4l2_input *inp)
{
if (inp->index > 1)
return -EINVAL;
inp->type = V4L2_INPUT_TYPE_CAMERA;
inp->std = V4L2_STD_525_60;
if (inp->index)
snprintf(inp->name, sizeof(inp->name), "Camera %u", inp->index);
else
strscpy(inp->name, "camera", sizeof(inp->name));
return 0;
}
static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
{
struct ov5640_fh *fh = priv;
struct ov5640_device *dev = fh->dev;
*i = dev->input;
return 0;
}
static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
{
struct ov5640_fh *fh = priv;
struct ov5640_device *dev = fh->dev;
dev->input = i;
return 0;
}
static int vidioc_queryctrl(struct file *file, void *priv,
struct v4l2_queryctrl *qc)
{
int i;
struct ov5640_fh *fh = priv;
struct ov5640_device *dev = fh->dev;
if (!dev->cam_info.flash_support &&
qc->id == V4L2_CID_BACKLIGHT_COMPENSATION)
return -EINVAL;
for (i = 0; i < ARRAY_SIZE(ov5640_qctrl); i++)
if (qc->id && qc->id == ov5640_qctrl[i].id) {
memcpy(qc, &ov5640_qctrl[i],
sizeof(*qc));
if (ov5640_qctrl[i].type == V4L2_CTRL_TYPE_MENU)
return ov5640_qctrl[i].maximum + 1;
else
return 0;
}
return -EINVAL;
}
static int vidioc_querymenu(struct file *file, void *priv,
struct v4l2_querymenu *a)
{
int i, j;
for (i = 0; i < ARRAY_SIZE(ov5640_qmenu_set); i++)
if (a->id && a->id == ov5640_qmenu_set[i].id) {
for (j = 0; j < ov5640_qmenu_set[i].num; j++)
if (a->index ==
ov5640_qmenu_set[i].ov5640_qmenu[j].index) {
memcpy(a,
&ov5640_qmenu_set[i].ov5640_qmenu[j],
sizeof(*a));
return 0;
}
}
return -EINVAL;
}
static int vidioc_g_ctrl(struct file *file, void *priv,
struct v4l2_control *ctrl)
{
struct ov5640_fh *fh = priv;
struct ov5640_device *dev = fh->dev;
struct i2c_client *client = v4l2_get_subdevdata(&dev->sd);
int i;
int i2cret = -1;
for (i = 0; i < ARRAY_SIZE(ov5640_qctrl); i++)
if (ctrl->id == ov5640_qctrl[i].id) {
if (ctrl->id == V4L2_CID_FOCUS_AUTO &&
bDoingAutoFocusMode) {
if (i2c_get_byte(client, 0x3023))
return -EBUSY;
bDoingAutoFocusMode = false;
if (i2c_get_byte(client, 0x3028) == 0) {
dprintk(dev, 3,
"auto mode failed!\n");
return -EAGAIN;
}
i2c_put_byte(client,
0x3022, 0x6);
i2c_put_byte(client,
0x3023, 0x1);
dprintk(dev, 3,
"pause auto focus\n");
} else if (ctrl->id == V4L2_CID_AUTO_FOCUS_STATUS) {
i2cret = i2c_get_byte(client, 0x3029);
if (i2cret == 0x00) {
ctrl->value =
V4L2_AUTO_FOCUS_STATUS_BUSY;
} else if (i2cret == 0x10) {
ctrl->value =
V4L2_AUTO_FOCUS_STATUS_REACHED;
} else if (i2cret == 0x20) {
ctrl->value =
V4L2_AUTO_FOCUS_STATUS_IDLE;
} else {
dprintk(dev, 3,
"should resart focus\n");
ctrl->value =
V4L2_AUTO_FOCUS_STATUS_FAILED;
}
return 0;
} else if (ctrl->id == V4L2_CID_MIN_BUFFERS_FOR_CAPTURE) {
ctrl->value = ov5640_qctrl[i].default_value;
return 0;
}
ctrl->value = dev->qctl_regs[i];
return 0;
}
return -EINVAL;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctrl)
{
struct ov5640_fh *fh = priv;
struct ov5640_device *dev = fh->dev;
int i;
for (i = 0; i < ARRAY_SIZE(ov5640_qctrl); i++)
if (ctrl->id == ov5640_qctrl[i].id) {
if (ctrl->value < ov5640_qctrl[i].minimum ||
ctrl->value > ov5640_qctrl[i].maximum ||
ov5640_setting(dev, ctrl->id, ctrl->value) < 0) {
return -ERANGE;
}
dev->qctl_regs[i] = ctrl->value;
return 0;
}
return -EINVAL;
}
static int ov5640_open(struct file *file)
{
struct ov5640_device *dev = video_drvdata(file);
struct ov5640_fh *fh = NULL;
int retval = 0;
struct aml_cam_info_s *temp_cam = NULL;
pr_info("tgid %d pid %d", current->tgid, current->pid);
mutex_lock(&dev->mutex);
dev->users++;
if (dev->users > 1) {
dev->users--;
mutex_unlock(&dev->mutex);
pr_err("pid %d error leave", current->pid);
return -EBUSY;
}
temp_cam = get_aml_cam_info_s();
if (temp_cam)
memcpy(&dev->cam_info, temp_cam, sizeof(struct aml_cam_info_s));
dev->vminfo.vdin_id = dev->cam_info.vdin_path;
dev->vminfo.bt_path_count = dev->cam_info.bt_path_count;
#ifdef CONFIG_CMA
retval = vm_init_resource(32 * SZ_1M, &dev->vminfo);
if (retval < 0) {
pr_err("error: no cma memory\n");
return -1;
}
#endif
mutex_lock(&firmware_mutex);
ov5640_have_opened = 1;
mutex_unlock(&firmware_mutex);
aml_cam_init(&dev->cam_info);
OV5640_init_regs(dev);
msleep(20);
INIT_LIST_HEAD(&dev->vidq.active);
init_waitqueue_head(&dev->vidq.wq);
spin_lock_init(&dev->slock);
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (!fh) {
dev->users--;
mutex_unlock(&dev->mutex);
return -ENOMEM;
}
mutex_unlock(&dev->mutex);
#ifdef CONFIG_HAS_WAKELOCK
wake_lock(&dev->wake_lock);
#endif
file->private_data = fh;
fh->dev = dev;
fh->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
fh->fmt = &formats[0];
fh->width = 640;
fh->height = 480;
fh->stream_on = 0;
fh->f_flags = file->f_flags;
dev->jiffies = jiffies;
if (dev->vminfo.mem_alloc_succeed) {
fh->res.start = dev->vminfo.buffer_start;
fh->res.end = dev->vminfo.buffer_start +
dev->vminfo.vm_buf_size - 1;
fh->res.magic = MAGIC_RE_MEM;
fh->res.priv = NULL;
videobuf_queue_res_init(&fh->vb_vidq, &ov5640_video_qops,
NULL, &dev->slock, fh->type,
V4L2_FIELD_INTERLACED,
sizeof(struct ov5640_buffer),
(void *)&fh->res, NULL);
}
bDoingAutoFocusMode = false;
ov5640_start_thread(fh);
return 0;
}
static ssize_t
ov5640_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
{
struct ov5640_fh *fh = file->private_data;
if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
return videobuf_read_stream(&fh->vb_vidq, data, count, ppos, 0,
file->f_flags & O_NONBLOCK);
}
return 0;
}
static unsigned int
ov5640_poll(struct file *file, struct poll_table_struct *wait)
{
struct ov5640_fh *fh = file->private_data;
struct ov5640_device *dev = fh->dev;
struct videobuf_queue *q = &fh->vb_vidq;
dprintk(dev, 1, "%s\n", __func__);
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return POLLERR;
return videobuf_poll_stream(file, q, wait);
}
static int ov5640_close(struct file *file)
{
struct ov5640_fh *fh = file->private_data;
struct ov5640_device *dev = fh->dev;
struct ov5640_dmaqueue *vidq = &dev->vidq;
struct video_device *vdev = video_devdata(file);
unsigned int vdin_path;
if (!ov5640_have_opened) {
pr_err("not opened, skip close, users %d ", dev->users);
return 0;
}
vdin_path = fh->dev->cam_info.vdin_path;
mutex_lock(&firmware_mutex);
ov5640_have_opened = 0;
dev->firmware_ready = 0;
mutex_unlock(&firmware_mutex);
ov5640_stop_thread(vidq);
videobuf_stop(&fh->vb_vidq);
if (fh->stream_on) {
pr_info("%s, vdin_path = %d\n",
__func__, vdin_path);
vops->stop_tvin_service(vdin_path);
}
videobuf_mmap_free(&fh->vb_vidq);
kfree(fh);
ov5640_qctrl[4].default_value = 0;
ov5640_qctrl[5].default_value = 4;
ov5640_qctrl[6].default_value = 0;
ov5640_qctrl[2].default_value = 0;
ov5640_qctrl[10].default_value = 100;
ov5640_qctrl[11].default_value = 0;
temp_frame = -1;
power_down_ov5640(dev);
ov5640_frmintervals_active.numerator = 1;
ov5640_frmintervals_active.denominator = 25;
aml_cam_uninit(&dev->cam_info);
#ifdef CONFIG_HAS_WAKELOCK
wake_unlock(&dev->wake_lock);
#endif
#ifdef CONFIG_CMA
vm_deinit_resource(&dev->vminfo);
#endif
mutex_lock(&dev->mutex);
dev->users--;
mutex_unlock(&dev->mutex);
pr_info("close called (dev=%s, users=%d)\n",
video_device_node_name(vdev), dev->users);
return 0;
}
static int ov5640_mmap(struct file *file, struct vm_area_struct *vma)
{
struct ov5640_fh *fh = file->private_data;
struct ov5640_device *dev = fh->dev;
int ret;
dprintk(dev, 1, "mmap called, vma=0x%08lx\n", (unsigned long)vma);
ret = videobuf_mmap_mapper(&fh->vb_vidq, vma);
dprintk(dev, 1, "vma start=0x%08lx, size=%ld, ret=%d\n",
(unsigned long)vma->vm_start,
(unsigned long)vma->vm_end - (unsigned long)vma->vm_start,
ret);
return ret;
}
static const struct v4l2_file_operations ov5640_fops = {
.owner = THIS_MODULE,
.open = ov5640_open,
.release = ov5640_close,
.read = ov5640_read,
.poll = ov5640_poll,
.unlocked_ioctl = video_ioctl2,
.mmap = ov5640_mmap,
};
static const struct v4l2_ioctl_ops ov5640_ioctl_ops = {
.vidioc_querycap = vidioc_querycap,
.vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = vidioc_reqbufs,
.vidioc_querybuf = vidioc_querybuf,
.vidioc_qbuf = vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
.vidioc_s_std = vidioc_s_std,
.vidioc_enum_input = vidioc_enum_input,
.vidioc_g_input = vidioc_g_input,
.vidioc_s_input = vidioc_s_input,
.vidioc_queryctrl = vidioc_queryctrl,
.vidioc_querymenu = vidioc_querymenu,
.vidioc_g_ctrl = vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_enum_framesizes = vidioc_enum_framesizes,
.vidioc_g_parm = vidioc_g_parm,
.vidioc_enum_frameintervals = vidioc_enum_frameintervals,
#ifdef CONFIG_VIDEO_V4L1_COMPAT
.vidiocgmbuf = vidiocgmbuf,
#endif
};
static struct video_device ov5640_template = {
.name = "ov5640_v4l",
.fops = &ov5640_fops,
.ioctl_ops = &ov5640_ioctl_ops,
.release = video_device_release,
.tvnorms = V4L2_STD_525_60,
};
static const struct v4l2_subdev_core_ops ov5640_core_ops = {
};
static const struct v4l2_subdev_ops ov5640_ops = {
.core = &ov5640_core_ops,
};
static int ov5640_probe(struct i2c_client *client)
{
// struct aml_cam_info_s *plat_dat;
int err;
int ret;
struct ov5640_device *t;
struct v4l2_subdev *sd;
vops = get_vdin_v4l2_ops();
v4l_info(client, "chip found @ 0x%x (%s)\n",
client->addr << 1, client->adapter->name);
t = kzalloc(sizeof(*t), GFP_KERNEL);
if (!t) {
pr_err("ov5640 probe kzalloc failed.\n");
return -ENOMEM;
}
client->addr = 0x3c;
snprintf(t->v4l2_dev.name, sizeof(t->v4l2_dev.name),
"%s-%03d", "ov5640", 0);
ret = v4l2_device_register(NULL, &t->v4l2_dev);
if (ret) {
pr_info("%s, v4l2 device register failed", __func__);
kfree(t);
return ret;
}
sd = &t->sd;
v4l2_i2c_subdev_init(sd, client, &ov5640_ops);
mutex_init(&t->mutex);
memset(&t->vminfo, 0, sizeof(struct vm_init_s));
t->vdev = video_device_alloc();
if (!t->vdev) {
kfree(t);
return -ENOMEM;
}
memcpy(t->vdev, &ov5640_template, sizeof(*t->vdev));
t->vdev->v4l2_dev = &t->v4l2_dev;
video_set_drvdata(t->vdev, t);
#ifdef CONFIG_HAS_WAKELOCK
wake_lock_init(&t->wake_lock, WAKE_LOCK_SUSPEND, "ov5640");
#endif
/*
plat_dat = (struct aml_cam_info_s *)client->dev.platform_data;
if (plat_dat) {
memcpy(&t->cam_info, plat_dat, sizeof(struct aml_cam_info_s));
pr_info("%s, front_back = %d\n",
__func__, plat_dat->front_back);
video_nr = plat_dat->front_back;
} else {
pr_err("camera ov5640: have no platform data\n");
video_device_release(t->vdev);
kfree(t);
return -1;
}
*/
t->cam_info.version = OV5640_DRIVER_VERSION;
if (aml_cam_info_reg(&t->cam_info) < 0)
pr_err("reg caminfo error\n");
t->vdev->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING
| V4L2_CAP_READWRITE;
pr_info("t->vdev = %p, video_nr = %d\n", t->vdev, video_nr);
err = video_register_device(t->vdev, VFL_TYPE_VIDEO, video_nr);
if (err < 0) {
video_device_release(t->vdev);
kfree(t);
return err;
}
pr_info("ov5640 probe successful.\n");
return 0;
}
static void ov5640_remove(struct i2c_client *client)
{
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct ov5640_device *t = to_dev(sd);
video_unregister_device(t->vdev);
v4l2_device_unregister_subdev(sd);
#ifdef CONFIG_HAS_WAKELOCK
wake_lock_destroy(&t->wake_lock);
#endif
aml_cam_info_unreg(&t->cam_info);
kfree(t);
}
static const struct i2c_device_id ov5640_id[] = {
{ "ov5640", 0 },
{ }
};
static struct i2c_driver ov5640_i2c_driver = {
.driver = {
.name = "ov5640",
},
.probe = ov5640_probe,
.remove = ov5640_remove,
.id_table = ov5640_id,
};
//module_i2c_driver(ov5640_i2c_driver);
int ov5640_i2c_driver_init(void)
{
return i2c_add_driver(&ov5640_i2c_driver);
}
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