[media] move i2c files into drivers/media/i2c

Move ancillary I2C drivers into drivers/media/i2c, in order to
better organize them.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 851 insertions, 0 deletions

diff --git a/drivers/media/i2c/noon010pc30.c b/drivers/media/i2c/noon010pc30.c
new file mode 100644
index 000000000000..440c12962bae
--- /dev/null
+++ b/drivers/media/i2c/noon010pc30.c
@@ -0,0 +1,851 @@
+/*
+ * Driver for SiliconFile NOON010PC30 CIF (1/11") Image Sensor with ISP
+ *
+ * Copyright (C) 2010 - 2011 Samsung Electronics Co., Ltd.
+ * Contact: Sylwester Nawrocki, <s.nawrocki@samsung.com>
+ *
+ * Initial register configuration based on a driver authored by
+ * HeungJun Kim <riverful.kim@samsung.com>.
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/i2c.h>
+#include <linux/slab.h>
+#include <linux/regulator/consumer.h>
+#include <media/noon010pc30.h>
+#include <media/v4l2-chip-ident.h>
+#include <linux/videodev2.h>
+#include <linux/module.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-mediabus.h>
+#include <media/v4l2-subdev.h>
+
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Enable module debug trace. Set to 1 to enable.");
+
+#define MODULE_NAME             "NOON010PC30"
+
+/*
+ * Register offsets within a page
+ * b15..b8 - page id, b7..b0 - register address
+ */
+#define POWER_CTRL_REG          0x0001
+#define PAGEMODE_REG            0x03
+#define DEVICE_ID_REG           0x0004
+#define NOON010PC30_ID          0x86
+#define VDO_CTL_REG(n)          (0x0010 + (n))
+#define SYNC_CTL_REG            0x0012
+/* Window size and position */
+#define WIN_ROWH_REG            0x0013
+#define WIN_ROWL_REG            0x0014
+#define WIN_COLH_REG            0x0015
+#define WIN_COLL_REG            0x0016
+#define WIN_HEIGHTH_REG         0x0017
+#define WIN_HEIGHTL_REG         0x0018
+#define WIN_WIDTHH_REG          0x0019
+#define WIN_WIDTHL_REG          0x001A
+#define HBLANKH_REG             0x001B
+#define HBLANKL_REG             0x001C
+#define VSYNCH_REG              0x001D
+#define VSYNCL_REG              0x001E
+/* VSYNC control */
+#define VS_CTL_REG(n)           (0x00A1 + (n))
+/* page 1 */
+#define ISP_CTL_REG(n)          (0x0110 + (n))
+#define YOFS_REG                0x0119
+#define DARK_YOFS_REG           0x011A
+#define SAT_CTL_REG             0x0120
+#define BSAT_REG                0x0121
+#define RSAT_REG                0x0122
+/* Color correction */
+#define CMC_CTL_REG             0x0130
+#define CMC_OFSGH_REG           0x0133
+#define CMC_OFSGL_REG           0x0135
+#define CMC_SIGN_REG            0x0136
+#define CMC_GOFS_REG            0x0137
+#define CMC_COEF_REG(n)         (0x0138 + (n))
+#define CMC_OFS_REG(n)          (0x0141 + (n))
+/* Gamma correction */
+#define GMA_CTL_REG             0x0160
+#define GMA_COEF_REG(n)         (0x0161 + (n))
+/* Lens Shading */
+#define LENS_CTRL_REG           0x01D0
+#define LENS_XCEN_REG           0x01D1
+#define LENS_YCEN_REG           0x01D2
+#define LENS_RC_REG             0x01D3
+#define LENS_GC_REG             0x01D4
+#define LENS_BC_REG             0x01D5
+#define L_AGON_REG              0x01D6
+#define L_AGOFF_REG             0x01D7
+/* Page 3 - Auto Exposure */
+#define AE_CTL_REG(n)           (0x0310 + (n))
+#define AE_CTL9_REG             0x032C
+#define AE_CTL10_REG            0x032D
+#define AE_YLVL_REG             0x031C
+#define AE_YTH_REG(n)           (0x031D + (n))
+#define AE_WGT_REG              0x0326
+#define EXP_TIMEH_REG           0x0333
+#define EXP_TIMEM_REG           0x0334
+#define EXP_TIMEL_REG           0x0335
+#define EXP_MMINH_REG           0x0336
+#define EXP_MMINL_REG           0x0337
+#define EXP_MMAXH_REG           0x0338
+#define EXP_MMAXM_REG           0x0339
+#define EXP_MMAXL_REG           0x033A
+/* Page 4 - Auto White Balance */
+#define AWB_CTL_REG(n)          (0x0410 + (n))
+#define AWB_ENABE               0x80
+#define AWB_WGHT_REG            0x0419
+#define BGAIN_PAR_REG(n)        (0x044F + (n))
+/* Manual white balance, when AWB_CTL2[0]=1 */
+#define MWB_RGAIN_REG           0x0466
+#define MWB_BGAIN_REG           0x0467
+
+/* The token to mark an array end */
+#define REG_TERM                0xFFFF
+
+struct noon010_format {
+        enum v4l2_mbus_pixelcode code;
+        enum v4l2_colorspace colorspace;
+        u16 ispctl1_reg;
+};
+
+struct noon010_frmsize {
+        u16 width;
+        u16 height;
+        int vid_ctl1;
+};
+
+static const char * const noon010_supply_name[] = {
+        "vdd_core", "vddio", "vdda"
+};
+
+#define NOON010_NUM_SUPPLIES ARRAY_SIZE(noon010_supply_name)
+
+struct noon010_info {
+        struct v4l2_subdev sd;
+        struct media_pad pad;
+        struct v4l2_ctrl_handler hdl;
+        struct regulator_bulk_data supply[NOON010_NUM_SUPPLIES];
+        u32 gpio_nreset;
+        u32 gpio_nstby;
+
+        /* Protects the struct members below */
+        struct mutex lock;
+
+        const struct noon010_format *curr_fmt;
+        const struct noon010_frmsize *curr_win;
+        unsigned int apply_new_cfg:1;
+        unsigned int streaming:1;
+        unsigned int hflip:1;
+        unsigned int vflip:1;
+        unsigned int power:1;
+        u8 i2c_reg_page;
+};
+
+struct i2c_regval {
+        u16 addr;
+        u16 val;
+};
+
+/* Supported resolutions. */
+static const struct noon010_frmsize noon010_sizes[] = {
+        {
+                .width          = 352,
+                .height         = 288,
+                .vid_ctl1       = 0,
+        }, {
+                .width          = 176,
+                .height         = 144,
+                .vid_ctl1       = 0x10,
+        }, {
+                .width          = 88,
+                .height         = 72,
+                .vid_ctl1       = 0x20,
+        },
+};
+
+/* Supported pixel formats. */
+static const struct noon010_format noon010_formats[] = {
+        {
+                .code           = V4L2_MBUS_FMT_YUYV8_2X8,
+                .colorspace     = V4L2_COLORSPACE_JPEG,
+                .ispctl1_reg    = 0x03,
+        }, {
+                .code           = V4L2_MBUS_FMT_YVYU8_2X8,
+                .colorspace     = V4L2_COLORSPACE_JPEG,
+                .ispctl1_reg    = 0x02,
+        }, {
+                .code           = V4L2_MBUS_FMT_VYUY8_2X8,
+                .colorspace     = V4L2_COLORSPACE_JPEG,
+                .ispctl1_reg    = 0,
+        }, {
+                .code           = V4L2_MBUS_FMT_UYVY8_2X8,
+                .colorspace     = V4L2_COLORSPACE_JPEG,
+                .ispctl1_reg    = 0x01,
+        }, {
+                .code           = V4L2_MBUS_FMT_RGB565_2X8_BE,
+                .colorspace     = V4L2_COLORSPACE_JPEG,
+                .ispctl1_reg    = 0x40,
+        },
+};
+
+static const struct i2c_regval noon010_base_regs[] = {
+        { WIN_COLL_REG,         0x06 }, { HBLANKL_REG,          0x7C },
+        /* Color corection and saturation */
+        { ISP_CTL_REG(0),       0x30 }, { ISP_CTL_REG(2),       0x30 },
+        { YOFS_REG,             0x80 }, { DARK_YOFS_REG,        0x04 },
+        { SAT_CTL_REG,          0x1F }, { BSAT_REG,             0x90 },
+        { CMC_CTL_REG,          0x0F }, { CMC_OFSGH_REG,        0x3C },
+        { CMC_OFSGL_REG,        0x2C }, { CMC_SIGN_REG,         0x3F },
+        { CMC_COEF_REG(0),      0x79 }, { CMC_OFS_REG(0),       0x00 },
+        { CMC_COEF_REG(1),      0x39 }, { CMC_OFS_REG(1),       0x00 },
+        { CMC_COEF_REG(2),      0x00 }, { CMC_OFS_REG(2),       0x00 },
+        { CMC_COEF_REG(3),      0x11 }, { CMC_OFS_REG(3),       0x8B },
+        { CMC_COEF_REG(4),      0x65 }, { CMC_OFS_REG(4),       0x07 },
+        { CMC_COEF_REG(5),      0x14 }, { CMC_OFS_REG(5),       0x04 },
+        { CMC_COEF_REG(6),      0x01 }, { CMC_OFS_REG(6),       0x9C },
+        { CMC_COEF_REG(7),      0x33 }, { CMC_OFS_REG(7),       0x89 },
+        { CMC_COEF_REG(8),      0x74 }, { CMC_OFS_REG(8),       0x25 },
+        /* Automatic white balance */
+        { AWB_CTL_REG(0),       0x78 }, { AWB_CTL_REG(1),       0x2E },
+        { AWB_CTL_REG(2),       0x20 }, { AWB_CTL_REG(3),       0x85 },
+        /* Auto exposure */
+        { AE_CTL_REG(0),        0xDC }, { AE_CTL_REG(1),        0x81 },
+        { AE_CTL_REG(2),        0x30 }, { AE_CTL_REG(3),        0xA5 },
+        { AE_CTL_REG(4),        0x40 }, { AE_CTL_REG(5),        0x51 },
+        { AE_CTL_REG(6),        0x33 }, { AE_CTL_REG(7),        0x7E },
+        { AE_CTL9_REG,          0x00 }, { AE_CTL10_REG,         0x02 },
+        { AE_YLVL_REG,          0x44 }, { AE_YTH_REG(0),        0x34 },
+        { AE_YTH_REG(1),        0x30 }, { AE_WGT_REG,           0xD5 },
+        /* Lens shading compensation */
+        { LENS_CTRL_REG,        0x01 }, { LENS_XCEN_REG,        0x80 },
+        { LENS_YCEN_REG,        0x70 }, { LENS_RC_REG,          0x53 },
+        { LENS_GC_REG,          0x40 }, { LENS_BC_REG,          0x3E },
+        { REG_TERM,             0 },
+};
+
+static inline struct noon010_info *to_noon010(struct v4l2_subdev *sd)
+{
+        return container_of(sd, struct noon010_info, sd);
+}
+
+static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
+{
+        return &container_of(ctrl->handler, struct noon010_info, hdl)->sd;
+}
+
+static inline int set_i2c_page(struct noon010_info *info,
+                               struct i2c_client *client, unsigned int reg)
+{
+        u32 page = reg >> 8 & 0xFF;
+        int ret = 0;
+
+        if (info->i2c_reg_page != page && (reg & 0xFF) != 0x03) {
+                ret = i2c_smbus_write_byte_data(client, PAGEMODE_REG, page);
+                if (!ret)
+                        info->i2c_reg_page = page;
+        }
+        return ret;
+}
+
+static int cam_i2c_read(struct v4l2_subdev *sd, u32 reg_addr)
+{
+        struct i2c_client *client = v4l2_get_subdevdata(sd);
+        struct noon010_info *info = to_noon010(sd);
+        int ret = set_i2c_page(info, client, reg_addr);
+
+        if (ret)
+                return ret;
+        return i2c_smbus_read_byte_data(client, reg_addr & 0xFF);
+}
+
+static int cam_i2c_write(struct v4l2_subdev *sd, u32 reg_addr, u32 val)
+{
+        struct i2c_client *client = v4l2_get_subdevdata(sd);
+        struct noon010_info *info = to_noon010(sd);
+        int ret = set_i2c_page(info, client, reg_addr);
+
+        if (ret)
+                return ret;
+        return i2c_smbus_write_byte_data(client, reg_addr & 0xFF, val);
+}
+
+static inline int noon010_bulk_write_reg(struct v4l2_subdev *sd,
+                                         const struct i2c_regval *msg)
+{
+        while (msg->addr != REG_TERM) {
+                int ret = cam_i2c_write(sd, msg->addr, msg->val);
+
+                if (ret)
+                        return ret;
+                msg++;
+        }
+        return 0;
+}
+
+/* Device reset and sleep mode control */
+static int noon010_power_ctrl(struct v4l2_subdev *sd, bool reset, bool sleep)
+{
+        struct noon010_info *info = to_noon010(sd);
+        u8 reg = sleep ? 0xF1 : 0xF0;
+        int ret = 0;
+
+        if (reset) {
+                ret = cam_i2c_write(sd, POWER_CTRL_REG, reg | 0x02);
+                udelay(20);
+        }
+        if (!ret) {
+                ret = cam_i2c_write(sd, POWER_CTRL_REG, reg);
+                if (reset && !ret)
+                        info->i2c_reg_page = -1;
+        }
+        return ret;
+}
+
+/* Automatic white balance control */
+static int noon010_enable_autowhitebalance(struct v4l2_subdev *sd, int on)
+{
+        int ret;
+
+        ret = cam_i2c_write(sd, AWB_CTL_REG(1), on ? 0x2E : 0x2F);
+        if (!ret)
+                ret = cam_i2c_write(sd, AWB_CTL_REG(0), on ? 0xFB : 0x7B);
+        return ret;
+}
+
+/* Called with struct noon010_info.lock mutex held */
+static int noon010_set_flip(struct v4l2_subdev *sd, int hflip, int vflip)
+{
+        struct noon010_info *info = to_noon010(sd);
+        int reg, ret;
+
+        reg = cam_i2c_read(sd, VDO_CTL_REG(1));
+        if (reg < 0)
+                return reg;
+
+        reg &= 0x7C;
+        if (hflip)
+                reg |= 0x01;
+        if (vflip)
+                reg |= 0x02;
+
+        ret = cam_i2c_write(sd, VDO_CTL_REG(1), reg | 0x80);
+        if (!ret) {
+                info->hflip = hflip;
+                info->vflip = vflip;
+        }
+        return ret;
+}
+
+/* Configure resolution and color format */
+static int noon010_set_params(struct v4l2_subdev *sd)
+{
+        struct noon010_info *info = to_noon010(sd);
+
+        int ret = cam_i2c_write(sd, VDO_CTL_REG(0),
+                                info->curr_win->vid_ctl1);
+        if (ret)
+                return ret;
+        return cam_i2c_write(sd, ISP_CTL_REG(0),
+                             info->curr_fmt->ispctl1_reg);
+}
+
+/* Find nearest matching image pixel size. */
+static int noon010_try_frame_size(struct v4l2_mbus_framefmt *mf,
+                                  const struct noon010_frmsize **size)
+{
+        unsigned int min_err = ~0;
+        int i = ARRAY_SIZE(noon010_sizes);
+        const struct noon010_frmsize *fsize = &noon010_sizes[0],
+                *match = NULL;
+
+        while (i--) {
+                int err = abs(fsize->width - mf->width)
+                                + abs(fsize->height - mf->height);
+
+                if (err < min_err) {
+                        min_err = err;
+                        match = fsize;
+                }
+                fsize++;
+        }
+        if (match) {
+                mf->width  = match->width;
+                mf->height = match->height;
+                if (size)
+                        *size = match;
+                return 0;
+        }
+        return -EINVAL;
+}
+
+/* Called with info.lock mutex held */
+static int power_enable(struct noon010_info *info)
+{
+        int ret;
+
+        if (info->power) {
+                v4l2_info(&info->sd, "%s: sensor is already on\n", __func__);
+                return 0;
+        }
+
+        if (gpio_is_valid(info->gpio_nstby))
+                gpio_set_value(info->gpio_nstby, 0);
+
+        if (gpio_is_valid(info->gpio_nreset))
+                gpio_set_value(info->gpio_nreset, 0);
+
+        ret = regulator_bulk_enable(NOON010_NUM_SUPPLIES, info->supply);
+        if (ret)
+                return ret;
+
+        if (gpio_is_valid(info->gpio_nreset)) {
+                msleep(50);
+                gpio_set_value(info->gpio_nreset, 1);
+        }
+        if (gpio_is_valid(info->gpio_nstby)) {
+                udelay(1000);
+                gpio_set_value(info->gpio_nstby, 1);
+        }
+        if (gpio_is_valid(info->gpio_nreset)) {
+                udelay(1000);
+                gpio_set_value(info->gpio_nreset, 0);
+                msleep(100);
+                gpio_set_value(info->gpio_nreset, 1);
+                msleep(20);
+        }
+        info->power = 1;
+
+        v4l2_dbg(1, debug, &info->sd,  "%s: sensor is on\n", __func__);
+        return 0;
+}
+
+/* Called with info.lock mutex held */
+static int power_disable(struct noon010_info *info)
+{
+        int ret;
+
+        if (!info->power) {
+                v4l2_info(&info->sd, "%s: sensor is already off\n", __func__);
+                return 0;
+        }
+
+        ret = regulator_bulk_disable(NOON010_NUM_SUPPLIES, info->supply);
+        if (ret)
+                return ret;
+
+        if (gpio_is_valid(info->gpio_nstby))
+                gpio_set_value(info->gpio_nstby, 0);
+
+        if (gpio_is_valid(info->gpio_nreset))
+                gpio_set_value(info->gpio_nreset, 0);
+
+        info->power = 0;
+
+        v4l2_dbg(1, debug, &info->sd,  "%s: sensor is off\n", __func__);
+
+        return 0;
+}
+
+static int noon010_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+        struct v4l2_subdev *sd = to_sd(ctrl);
+        struct noon010_info *info = to_noon010(sd);
+        int ret = 0;
+
+        v4l2_dbg(1, debug, sd, "%s: ctrl_id: %d, value: %d\n",
+                 __func__, ctrl->id, ctrl->val);
+
+        mutex_lock(&info->lock);
+        /*
+         * If the device is not powered up by the host driver do
+         * not apply any controls to H/W at this time. Instead
+         * the controls will be restored right after power-up.
+         */
+        if (!info->power)
+                goto unlock;
+
+        switch (ctrl->id) {
+        case V4L2_CID_AUTO_WHITE_BALANCE:
+                ret = noon010_enable_autowhitebalance(sd, ctrl->val);
+                break;
+        case V4L2_CID_BLUE_BALANCE:
+                ret = cam_i2c_write(sd, MWB_BGAIN_REG, ctrl->val);
+                break;
+        case V4L2_CID_RED_BALANCE:
+                ret =  cam_i2c_write(sd, MWB_RGAIN_REG, ctrl->val);
+                break;
+        default:
+                ret = -EINVAL;
+        }
+unlock:
+        mutex_unlock(&info->lock);
+        return ret;
+}
+
+static int noon010_enum_mbus_code(struct v4l2_subdev *sd,
+                                  struct v4l2_subdev_fh *fh,
+                                  struct v4l2_subdev_mbus_code_enum *code)
+{
+        if (code->index >= ARRAY_SIZE(noon010_formats))
+                return -EINVAL;
+
+        code->code = noon010_formats[code->index].code;
+        return 0;
+}
+
+static int noon010_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
+                           struct v4l2_subdev_format *fmt)
+{
+        struct noon010_info *info = to_noon010(sd);
+        struct v4l2_mbus_framefmt *mf;
+
+        if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
+                if (fh) {
+                        mf = v4l2_subdev_get_try_format(fh, 0);
+                        fmt->format = *mf;
+                }
+                return 0;
+        }
+        mf = &fmt->format;
+
+        mutex_lock(&info->lock);
+        mf->width = info->curr_win->width;
+        mf->height = info->curr_win->height;
+        mf->code = info->curr_fmt->code;
+        mf->colorspace = info->curr_fmt->colorspace;
+        mf->field = V4L2_FIELD_NONE;
+
+        mutex_unlock(&info->lock);
+        return 0;
+}
+
+/* Return nearest media bus frame format. */
+static const struct noon010_format *noon010_try_fmt(struct v4l2_subdev *sd,
+                                            struct v4l2_mbus_framefmt *mf)
+{
+        int i = ARRAY_SIZE(noon010_formats);
+
+        while (--i)
+                if (mf->code == noon010_formats[i].code)
+                        break;
+        mf->code = noon010_formats[i].code;
+
+        return &noon010_formats[i];
+}
+
+static int noon010_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
+                           struct v4l2_subdev_format *fmt)
+{
+        struct noon010_info *info = to_noon010(sd);
+        const struct noon010_frmsize *size = NULL;
+        const struct noon010_format *nf;
+        struct v4l2_mbus_framefmt *mf;
+        int ret = 0;
+
+        nf = noon010_try_fmt(sd, &fmt->format);
+        noon010_try_frame_size(&fmt->format, &size);
+        fmt->format.colorspace = V4L2_COLORSPACE_JPEG;
+
+        if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
+                if (fh) {
+                        mf = v4l2_subdev_get_try_format(fh, 0);
+                        *mf = fmt->format;
+                }
+                return 0;
+        }
+        mutex_lock(&info->lock);
+        if (!info->streaming) {
+                info->apply_new_cfg = 1;
+                info->curr_fmt = nf;
+                info->curr_win = size;
+        } else {
+                ret = -EBUSY;
+        }
+        mutex_unlock(&info->lock);
+        return ret;
+}
+
+/* Called with struct noon010_info.lock mutex held */
+static int noon010_base_config(struct v4l2_subdev *sd)
+{
+        int ret = noon010_bulk_write_reg(sd, noon010_base_regs);
+        if (!ret)
+                ret = noon010_set_params(sd);
+        if (!ret)
+                ret = noon010_set_flip(sd, 1, 0);
+
+        return ret;
+}
+
+static int noon010_s_power(struct v4l2_subdev *sd, int on)
+{
+        struct noon010_info *info = to_noon010(sd);
+        int ret;
+
+        mutex_lock(&info->lock);
+        if (on) {
+                ret = power_enable(info);
+                if (!ret)
+                        ret = noon010_base_config(sd);
+        } else {
+                noon010_power_ctrl(sd, false, true);
+                ret = power_disable(info);
+        }
+        mutex_unlock(&info->lock);
+
+        /* Restore the controls state */
+        if (!ret && on)
+                ret = v4l2_ctrl_handler_setup(&info->hdl);
+
+        return ret;
+}
+
+static int noon010_s_stream(struct v4l2_subdev *sd, int on)
+{
+        struct noon010_info *info = to_noon010(sd);
+        int ret = 0;
+
+        mutex_lock(&info->lock);
+        if (!info->streaming != !on) {
+                ret = noon010_power_ctrl(sd, false, !on);
+                if (!ret)
+                        info->streaming = on;
+        }
+        if (!ret && on && info->apply_new_cfg) {
+                ret = noon010_set_params(sd);
+                if (!ret)
+                        info->apply_new_cfg = 0;
+        }
+        mutex_unlock(&info->lock);
+        return ret;
+}
+
+static int noon010_log_status(struct v4l2_subdev *sd)
+{
+        struct noon010_info *info = to_noon010(sd);
+
+        v4l2_ctrl_handler_log_status(&info->hdl, sd->name);
+        return 0;
+}
+
+static int noon010_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
+{
+        struct v4l2_mbus_framefmt *mf = v4l2_subdev_get_try_format(fh, 0);
+
+        mf->width = noon010_sizes[0].width;
+        mf->height = noon010_sizes[0].height;
+        mf->code = noon010_formats[0].code;
+        mf->colorspace = V4L2_COLORSPACE_JPEG;
+        mf->field = V4L2_FIELD_NONE;
+        return 0;
+}
+
+static const struct v4l2_subdev_internal_ops noon010_subdev_internal_ops = {
+        .open = noon010_open,
+};
+
+static const struct v4l2_ctrl_ops noon010_ctrl_ops = {
+        .s_ctrl = noon010_s_ctrl,
+};
+
+static const struct v4l2_subdev_core_ops noon010_core_ops = {
+        .s_power        = noon010_s_power,
+        .g_ctrl         = v4l2_subdev_g_ctrl,
+        .s_ctrl         = v4l2_subdev_s_ctrl,
+        .queryctrl      = v4l2_subdev_queryctrl,
+        .querymenu      = v4l2_subdev_querymenu,
+        .g_ext_ctrls    = v4l2_subdev_g_ext_ctrls,
+        .try_ext_ctrls  = v4l2_subdev_try_ext_ctrls,
+        .s_ext_ctrls    = v4l2_subdev_s_ext_ctrls,
+        .log_status     = noon010_log_status,
+};
+
+static struct v4l2_subdev_pad_ops noon010_pad_ops = {
+        .enum_mbus_code = noon010_enum_mbus_code,
+        .get_fmt        = noon010_get_fmt,
+        .set_fmt        = noon010_set_fmt,
+};
+
+static struct v4l2_subdev_video_ops noon010_video_ops = {
+        .s_stream       = noon010_s_stream,
+};
+
+static const struct v4l2_subdev_ops noon010_ops = {
+        .core   = &noon010_core_ops,
+        .pad    = &noon010_pad_ops,
+        .video  = &noon010_video_ops,
+};
+
+/* Return 0 if NOON010PC30L sensor type was detected or -ENODEV otherwise. */
+static int noon010_detect(struct i2c_client *client, struct noon010_info *info)
+{
+        int ret;
+
+        ret = power_enable(info);
+        if (ret)
+                return ret;
+
+        ret = i2c_smbus_read_byte_data(client, DEVICE_ID_REG);
+        if (ret < 0)
+                dev_err(&client->dev, "I2C read failed: 0x%X\n", ret);
+
+        power_disable(info);
+
+        return ret == NOON010PC30_ID ? 0 : -ENODEV;
+}
+
+static int noon010_probe(struct i2c_client *client,
+                         const struct i2c_device_id *id)
+{
+        struct noon010_info *info;
+        struct v4l2_subdev *sd;
+        const struct noon010pc30_platform_data *pdata
+                = client->dev.platform_data;
+        int ret;
+        int i;
+
+        if (!pdata) {
+                dev_err(&client->dev, "No platform data!\n");
+                return -EIO;
+        }
+
+        info = kzalloc(sizeof(*info), GFP_KERNEL);
+        if (!info)
+                return -ENOMEM;
+
+        mutex_init(&info->lock);
+        sd = &info->sd;
+        v4l2_i2c_subdev_init(sd, client, &noon010_ops);
+        strlcpy(sd->name, MODULE_NAME, sizeof(sd->name));
+
+        sd->internal_ops = &noon010_subdev_internal_ops;
+        sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
+
+        v4l2_ctrl_handler_init(&info->hdl, 3);
+
+        v4l2_ctrl_new_std(&info->hdl, &noon010_ctrl_ops,
+                          V4L2_CID_AUTO_WHITE_BALANCE, 0, 1, 1, 1);
+        v4l2_ctrl_new_std(&info->hdl, &noon010_ctrl_ops,
+                          V4L2_CID_RED_BALANCE, 0, 127, 1, 64);
+        v4l2_ctrl_new_std(&info->hdl, &noon010_ctrl_ops,
+                          V4L2_CID_BLUE_BALANCE, 0, 127, 1, 64);
+
+        sd->ctrl_handler = &info->hdl;
+
+        ret = info->hdl.error;
+        if (ret)
+                goto np_err;
+
+        info->i2c_reg_page      = -1;
+        info->gpio_nreset       = -EINVAL;
+        info->gpio_nstby        = -EINVAL;
+        info->curr_fmt          = &noon010_formats[0];
+        info->curr_win          = &noon010_sizes[0];
+
+        if (gpio_is_valid(pdata->gpio_nreset)) {
+                ret = gpio_request(pdata->gpio_nreset, "NOON010PC30 NRST");
+                if (ret) {
+                        dev_err(&client->dev, "GPIO request error: %d\n", ret);
+                        goto np_err;
+                }
+                info->gpio_nreset = pdata->gpio_nreset;
+                gpio_direction_output(info->gpio_nreset, 0);
+                gpio_export(info->gpio_nreset, 0);
+        }
+
+        if (gpio_is_valid(pdata->gpio_nstby)) {
+                ret = gpio_request(pdata->gpio_nstby, "NOON010PC30 NSTBY");
+                if (ret) {
+                        dev_err(&client->dev, "GPIO request error: %d\n", ret);
+                        goto np_gpio_err;
+                }
+                info->gpio_nstby = pdata->gpio_nstby;
+                gpio_direction_output(info->gpio_nstby, 0);
+                gpio_export(info->gpio_nstby, 0);
+        }
+
+        for (i = 0; i < NOON010_NUM_SUPPLIES; i++)
+                info->supply[i].supply = noon010_supply_name[i];
+
+        ret = regulator_bulk_get(&client->dev, NOON010_NUM_SUPPLIES,
+                                 info->supply);
+        if (ret)
+                goto np_reg_err;
+
+        info->pad.flags = MEDIA_PAD_FL_SOURCE;
+        sd->entity.type = MEDIA_ENT_T_V4L2_SUBDEV_SENSOR;
+        ret = media_entity_init(&sd->entity, 1, &info->pad, 0);
+        if (ret < 0)
+                goto np_me_err;
+
+        ret = noon010_detect(client, info);
+        if (!ret)
+                return 0;
+
+np_me_err:
+        regulator_bulk_free(NOON010_NUM_SUPPLIES, info->supply);
+np_reg_err:
+        if (gpio_is_valid(info->gpio_nstby))
+                gpio_free(info->gpio_nstby);
+np_gpio_err:
+        if (gpio_is_valid(info->gpio_nreset))
+                gpio_free(info->gpio_nreset);
+np_err:
+        v4l2_ctrl_handler_free(&info->hdl);
+        v4l2_device_unregister_subdev(sd);
+        kfree(info);
+        return ret;
+}
+
+static int noon010_remove(struct i2c_client *client)
+{
+        struct v4l2_subdev *sd = i2c_get_clientdata(client);
+        struct noon010_info *info = to_noon010(sd);
+
+        v4l2_device_unregister_subdev(sd);
+        v4l2_ctrl_handler_free(&info->hdl);
+
+        regulator_bulk_free(NOON010_NUM_SUPPLIES, info->supply);
+
+        if (gpio_is_valid(info->gpio_nreset))
+                gpio_free(info->gpio_nreset);
+
+        if (gpio_is_valid(info->gpio_nstby))
+                gpio_free(info->gpio_nstby);
+
+        media_entity_cleanup(&sd->entity);
+        kfree(info);
+        return 0;
+}
+
+static const struct i2c_device_id noon010_id[] = {
+        { MODULE_NAME, 0 },
+        { },
+};
+MODULE_DEVICE_TABLE(i2c, noon010_id);
+
+
+static struct i2c_driver noon010_i2c_driver = {
+        .driver = {
+                .name = MODULE_NAME
+        },
+        .probe          = noon010_probe,
+        .remove         = noon010_remove,
+        .id_table       = noon010_id,
+};
+
+module_i2c_driver(noon010_i2c_driver);
+
+MODULE_DESCRIPTION("Siliconfile NOON010PC30 camera driver");
+MODULE_AUTHOR("Sylwester Nawrocki <s.nawrocki@samsung.com>");
+MODULE_LICENSE("GPL");