/*
- * Driver for MT9M111 CMOS Image Sensor from Micron
+ * Driver for MT9M111/MT9M112 CMOS Image Sensor from Micron
*
* Copyright (C) 2008, Robert Jarzmik <robert.jarzmik@free.fr>
*
#include <media/soc_camera.h>
/*
- * mt9m111 i2c address is 0x5d or 0x48 (depending on SAddr pin)
+ * mt9m111 and mt9m112 i2c address is 0x5d or 0x48 (depending on SAddr pin)
* The platform has to define i2c_board_info and call i2c_register_board_info()
*/
#define MT9M111_OUTPUT_FORMAT_CTRL2_B 0x19b
#define MT9M111_OPMODE_AUTOEXPO_EN (1 << 14)
-
+#define MT9M111_OPMODE_AUTOWHITEBAL_EN (1 << 1)
#define MT9M111_OUTFMT_PROCESSED_BAYER (1 << 14)
#define MT9M111_OUTFMT_BYPASS_IFP (1 << 10)
* mt9m111: Camera control register addresses (0x200..0x2ff not implemented)
*/
-#define reg_read(reg) mt9m111_reg_read(icd, MT9M111_##reg)
-#define reg_write(reg, val) mt9m111_reg_write(icd, MT9M111_##reg, (val))
-#define reg_set(reg, val) mt9m111_reg_set(icd, MT9M111_##reg, (val))
-#define reg_clear(reg, val) mt9m111_reg_clear(icd, MT9M111_##reg, (val))
+#define reg_read(reg) mt9m111_reg_read(client, MT9M111_##reg)
+#define reg_write(reg, val) mt9m111_reg_write(client, MT9M111_##reg, (val))
+#define reg_set(reg, val) mt9m111_reg_set(client, MT9M111_##reg, (val))
+#define reg_clear(reg, val) mt9m111_reg_clear(client, MT9M111_##reg, (val))
#define MT9M111_MIN_DARK_ROWS 8
#define MT9M111_MIN_DARK_COLS 24
#define MT9M111_MAX_HEIGHT 1024
#define MT9M111_MAX_WIDTH 1280
-#define COL_FMT(_name, _depth, _fourcc, _colorspace) \
- { .name = _name, .depth = _depth, .fourcc = _fourcc, \
- .colorspace = _colorspace }
-#define RGB_FMT(_name, _depth, _fourcc) \
- COL_FMT(_name, _depth, _fourcc, V4L2_COLORSPACE_SRGB)
-
-static const struct soc_camera_data_format mt9m111_colour_formats[] = {
- COL_FMT("YCrYCb 8 bit", 8, V4L2_PIX_FMT_YUYV, V4L2_COLORSPACE_JPEG),
- RGB_FMT("RGB 565", 16, V4L2_PIX_FMT_RGB565),
- RGB_FMT("RGB 555", 16, V4L2_PIX_FMT_RGB555),
- RGB_FMT("Bayer (sRGB) 10 bit", 10, V4L2_PIX_FMT_SBGGR16),
- RGB_FMT("Bayer (sRGB) 8 bit", 8, V4L2_PIX_FMT_SBGGR8),
+/* MT9M111 has only one fixed colorspace per pixelcode */
+struct mt9m111_datafmt {
+ enum v4l2_mbus_pixelcode code;
+ enum v4l2_colorspace colorspace;
+};
+
+/* Find a data format by a pixel code in an array */
+static const struct mt9m111_datafmt *mt9m111_find_datafmt(
+ enum v4l2_mbus_pixelcode code, const struct mt9m111_datafmt *fmt,
+ int n)
+{
+ int i;
+ for (i = 0; i < n; i++)
+ if (fmt[i].code == code)
+ return fmt + i;
+
+ return NULL;
+}
+
+static const struct mt9m111_datafmt mt9m111_colour_fmts[] = {
+ {V4L2_MBUS_FMT_YUYV8_2X8_LE, V4L2_COLORSPACE_JPEG},
+ {V4L2_MBUS_FMT_YVYU8_2X8_LE, V4L2_COLORSPACE_JPEG},
+ {V4L2_MBUS_FMT_YUYV8_2X8_BE, V4L2_COLORSPACE_JPEG},
+ {V4L2_MBUS_FMT_YVYU8_2X8_BE, V4L2_COLORSPACE_JPEG},
+ {V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE, V4L2_COLORSPACE_SRGB},
+ {V4L2_MBUS_FMT_RGB565_2X8_LE, V4L2_COLORSPACE_SRGB},
+ {V4L2_MBUS_FMT_SBGGR8_1X8, V4L2_COLORSPACE_SRGB},
+ {V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE, V4L2_COLORSPACE_SRGB},
};
enum mt9m111_context {
};
struct mt9m111 {
- struct i2c_client *client;
- struct soc_camera_device icd;
- int model; /* V4L2_IDENT_MT9M111* codes from v4l2-chip-ident.h */
+ struct v4l2_subdev subdev;
+ int model; /* V4L2_IDENT_MT9M11x* codes from v4l2-chip-ident.h */
enum mt9m111_context context;
- unsigned int left, top, width, height;
- u32 pixfmt;
+ struct v4l2_rect rect;
+ const struct mt9m111_datafmt *fmt;
+ unsigned int gain;
unsigned char autoexposure;
unsigned char datawidth;
unsigned int powered:1;
unsigned int swap_rgb_red_blue:1;
unsigned int swap_yuv_y_chromas:1;
unsigned int swap_yuv_cb_cr:1;
+ unsigned int autowhitebalance:1;
};
+static struct mt9m111 *to_mt9m111(const struct i2c_client *client)
+{
+ return container_of(i2c_get_clientdata(client), struct mt9m111, subdev);
+}
+
static int reg_page_map_set(struct i2c_client *client, const u16 reg)
{
int ret;
return ret;
}
-static int mt9m111_reg_read(struct soc_camera_device *icd, const u16 reg)
+static int mt9m111_reg_read(struct i2c_client *client, const u16 reg)
{
- struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
- struct i2c_client *client = mt9m111->client;
int ret;
ret = reg_page_map_set(client, reg);
if (!ret)
- ret = swab16(i2c_smbus_read_word_data(client, (reg & 0xff)));
+ ret = swab16(i2c_smbus_read_word_data(client, reg & 0xff));
- dev_dbg(&icd->dev, "read reg.%03x -> %04x\n", reg, ret);
+ dev_dbg(&client->dev, "read reg.%03x -> %04x\n", reg, ret);
return ret;
}
-static int mt9m111_reg_write(struct soc_camera_device *icd, const u16 reg,
+static int mt9m111_reg_write(struct i2c_client *client, const u16 reg,
const u16 data)
{
- struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
- struct i2c_client *client = mt9m111->client;
int ret;
ret = reg_page_map_set(client, reg);
if (!ret)
- ret = i2c_smbus_write_word_data(mt9m111->client, (reg & 0xff),
+ ret = i2c_smbus_write_word_data(client, reg & 0xff,
swab16(data));
- dev_dbg(&icd->dev, "write reg.%03x = %04x -> %d\n", reg, data, ret);
+ dev_dbg(&client->dev, "write reg.%03x = %04x -> %d\n", reg, data, ret);
return ret;
}
-static int mt9m111_reg_set(struct soc_camera_device *icd, const u16 reg,
+static int mt9m111_reg_set(struct i2c_client *client, const u16 reg,
const u16 data)
{
int ret;
- ret = mt9m111_reg_read(icd, reg);
+ ret = mt9m111_reg_read(client, reg);
if (ret >= 0)
- ret = mt9m111_reg_write(icd, reg, ret | data);
+ ret = mt9m111_reg_write(client, reg, ret | data);
return ret;
}
-static int mt9m111_reg_clear(struct soc_camera_device *icd, const u16 reg,
+static int mt9m111_reg_clear(struct i2c_client *client, const u16 reg,
const u16 data)
{
int ret;
- ret = mt9m111_reg_read(icd, reg);
- return mt9m111_reg_write(icd, reg, ret & ~data);
+ ret = mt9m111_reg_read(client, reg);
+ return mt9m111_reg_write(client, reg, ret & ~data);
}
-static int mt9m111_set_context(struct soc_camera_device *icd,
+static int mt9m111_set_context(struct i2c_client *client,
enum mt9m111_context ctxt)
{
int valB = MT9M111_CTXT_CTRL_RESTART | MT9M111_CTXT_CTRL_DEFECTCOR_B
return reg_write(CONTEXT_CONTROL, valA);
}
-static int mt9m111_setup_rect(struct soc_camera_device *icd)
+static int mt9m111_setup_rect(struct i2c_client *client,
+ struct v4l2_rect *rect)
{
- struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
+ struct mt9m111 *mt9m111 = to_mt9m111(client);
int ret, is_raw_format;
- int width = mt9m111->width;
- int height = mt9m111->height;
+ int width = rect->width;
+ int height = rect->height;
- if ((mt9m111->pixfmt == V4L2_PIX_FMT_SBGGR8)
- || (mt9m111->pixfmt == V4L2_PIX_FMT_SBGGR16))
+ if (mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR8_1X8 ||
+ mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE)
is_raw_format = 1;
else
is_raw_format = 0;
- ret = reg_write(COLUMN_START, mt9m111->left);
+ ret = reg_write(COLUMN_START, rect->left);
if (!ret)
- ret = reg_write(ROW_START, mt9m111->top);
+ ret = reg_write(ROW_START, rect->top);
if (is_raw_format) {
if (!ret)
return ret;
}
-static int mt9m111_setup_pixfmt(struct soc_camera_device *icd, u16 outfmt)
+static int mt9m111_setup_pixfmt(struct i2c_client *client, u16 outfmt)
{
int ret;
return ret;
}
-static int mt9m111_setfmt_bayer8(struct soc_camera_device *icd)
+static int mt9m111_setfmt_bayer8(struct i2c_client *client)
{
- return mt9m111_setup_pixfmt(icd, MT9M111_OUTFMT_PROCESSED_BAYER);
+ return mt9m111_setup_pixfmt(client, MT9M111_OUTFMT_PROCESSED_BAYER |
+ MT9M111_OUTFMT_RGB);
}
-static int mt9m111_setfmt_bayer10(struct soc_camera_device *icd)
+static int mt9m111_setfmt_bayer10(struct i2c_client *client)
{
- return mt9m111_setup_pixfmt(icd, MT9M111_OUTFMT_BYPASS_IFP);
+ return mt9m111_setup_pixfmt(client, MT9M111_OUTFMT_BYPASS_IFP);
}
-static int mt9m111_setfmt_rgb565(struct soc_camera_device *icd)
+static int mt9m111_setfmt_rgb565(struct i2c_client *client)
{
- struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
+ struct mt9m111 *mt9m111 = to_mt9m111(client);
int val = 0;
if (mt9m111->swap_rgb_red_blue)
val |= MT9M111_OUTFMT_SWAP_RGB_EVEN;
val |= MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565;
- return mt9m111_setup_pixfmt(icd, val);
+ return mt9m111_setup_pixfmt(client, val);
}
-static int mt9m111_setfmt_rgb555(struct soc_camera_device *icd)
+static int mt9m111_setfmt_rgb555(struct i2c_client *client)
{
- struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
+ struct mt9m111 *mt9m111 = to_mt9m111(client);
int val = 0;
if (mt9m111->swap_rgb_red_blue)
val |= MT9M111_OUTFMT_SWAP_RGB_EVEN;
val |= MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB555;
- return mt9m111_setup_pixfmt(icd, val);
+ return mt9m111_setup_pixfmt(client, val);
}
-static int mt9m111_setfmt_yuv(struct soc_camera_device *icd)
+static int mt9m111_setfmt_yuv(struct i2c_client *client)
{
- struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
+ struct mt9m111 *mt9m111 = to_mt9m111(client);
int val = 0;
if (mt9m111->swap_yuv_cb_cr)
if (mt9m111->swap_yuv_y_chromas)
val |= MT9M111_OUTFMT_SWAP_YCbCr_C_Y;
- return mt9m111_setup_pixfmt(icd, val);
+ return mt9m111_setup_pixfmt(client, val);
}
-static int mt9m111_enable(struct soc_camera_device *icd)
+static int mt9m111_enable(struct i2c_client *client)
{
- struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
- struct soc_camera_link *icl = mt9m111->client->dev.platform_data;
+ struct mt9m111 *mt9m111 = to_mt9m111(client);
int ret;
- if (icl->power) {
- ret = icl->power(&mt9m111->client->dev, 1);
- if (ret < 0) {
- dev_err(icd->vdev->parent,
- "Platform failed to power-on the camera.\n");
- return ret;
- }
- }
-
ret = reg_set(RESET, MT9M111_RESET_CHIP_ENABLE);
if (!ret)
mt9m111->powered = 1;
return ret;
}
-static int mt9m111_disable(struct soc_camera_device *icd)
+static int mt9m111_reset(struct i2c_client *client)
{
- struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
- struct soc_camera_link *icl = mt9m111->client->dev.platform_data;
int ret;
- ret = reg_clear(RESET, MT9M111_RESET_CHIP_ENABLE);
+ ret = reg_set(RESET, MT9M111_RESET_RESET_MODE);
if (!ret)
- mt9m111->powered = 0;
-
- if (icl->power)
- icl->power(&mt9m111->client->dev, 0);
+ ret = reg_set(RESET, MT9M111_RESET_RESET_SOC);
+ if (!ret)
+ ret = reg_clear(RESET, MT9M111_RESET_RESET_MODE
+ | MT9M111_RESET_RESET_SOC);
return ret;
}
-static int mt9m111_reset(struct soc_camera_device *icd)
+static unsigned long mt9m111_query_bus_param(struct soc_camera_device *icd)
{
+ struct soc_camera_link *icl = to_soc_camera_link(icd);
+ unsigned long flags = SOCAM_MASTER | SOCAM_PCLK_SAMPLE_RISING |
+ SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_HIGH |
+ SOCAM_DATA_ACTIVE_HIGH | SOCAM_DATAWIDTH_8;
+
+ return soc_camera_apply_sensor_flags(icl, flags);
+}
+
+static int mt9m111_set_bus_param(struct soc_camera_device *icd, unsigned long f)
+{
+ return 0;
+}
+
+static int mt9m111_make_rect(struct i2c_client *client,
+ struct v4l2_rect *rect)
+{
+ struct mt9m111 *mt9m111 = to_mt9m111(client);
+
+ if (mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR8_1X8 ||
+ mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE) {
+ /* Bayer format - even size lengths */
+ rect->width = ALIGN(rect->width, 2);
+ rect->height = ALIGN(rect->height, 2);
+ /* Let the user play with the starting pixel */
+ }
+
+ /* FIXME: the datasheet doesn't specify minimum sizes */
+ soc_camera_limit_side(&rect->left, &rect->width,
+ MT9M111_MIN_DARK_COLS, 2, MT9M111_MAX_WIDTH);
+
+ soc_camera_limit_side(&rect->top, &rect->height,
+ MT9M111_MIN_DARK_ROWS, 2, MT9M111_MAX_HEIGHT);
+
+ return mt9m111_setup_rect(client, rect);
+}
+
+static int mt9m111_s_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
+{
+ struct v4l2_rect rect = a->c;
+ struct i2c_client *client = sd->priv;
+ struct mt9m111 *mt9m111 = to_mt9m111(client);
int ret;
- ret = reg_set(RESET, MT9M111_RESET_RESET_MODE);
- if (!ret)
- ret = reg_set(RESET, MT9M111_RESET_RESET_SOC);
+ dev_dbg(&client->dev, "%s left=%d, top=%d, width=%d, height=%d\n",
+ __func__, rect.left, rect.top, rect.width, rect.height);
+
+ ret = mt9m111_make_rect(client, &rect);
if (!ret)
- ret = reg_clear(RESET, MT9M111_RESET_RESET_MODE
- | MT9M111_RESET_RESET_SOC);
+ mt9m111->rect = rect;
return ret;
}
-static int mt9m111_start_capture(struct soc_camera_device *icd)
+static int mt9m111_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
{
+ struct i2c_client *client = sd->priv;
+ struct mt9m111 *mt9m111 = to_mt9m111(client);
+
+ a->c = mt9m111->rect;
+ a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+
return 0;
}
-static int mt9m111_stop_capture(struct soc_camera_device *icd)
+static int mt9m111_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a)
{
+ a->bounds.left = MT9M111_MIN_DARK_COLS;
+ a->bounds.top = MT9M111_MIN_DARK_ROWS;
+ a->bounds.width = MT9M111_MAX_WIDTH;
+ a->bounds.height = MT9M111_MAX_HEIGHT;
+ a->defrect = a->bounds;
+ a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ a->pixelaspect.numerator = 1;
+ a->pixelaspect.denominator = 1;
+
return 0;
}
-static unsigned long mt9m111_query_bus_param(struct soc_camera_device *icd)
+static int mt9m111_g_fmt(struct v4l2_subdev *sd,
+ struct v4l2_mbus_framefmt *mf)
{
- return SOCAM_MASTER | SOCAM_PCLK_SAMPLE_RISING |
- SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_HIGH |
- SOCAM_DATAWIDTH_8;
-}
+ struct i2c_client *client = sd->priv;
+ struct mt9m111 *mt9m111 = to_mt9m111(client);
+
+ mf->width = mt9m111->rect.width;
+ mf->height = mt9m111->rect.height;
+ mf->code = mt9m111->fmt->code;
+ mf->field = V4L2_FIELD_NONE;
-static int mt9m111_set_bus_param(struct soc_camera_device *icd, unsigned long f)
-{
return 0;
}
-static int mt9m111_set_pixfmt(struct soc_camera_device *icd, u32 pixfmt)
+static int mt9m111_set_pixfmt(struct i2c_client *client,
+ enum v4l2_mbus_pixelcode code)
{
- struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
+ struct mt9m111 *mt9m111 = to_mt9m111(client);
int ret;
- switch (pixfmt) {
- case V4L2_PIX_FMT_SBGGR8:
- ret = mt9m111_setfmt_bayer8(icd);
+ switch (code) {
+ case V4L2_MBUS_FMT_SBGGR8_1X8:
+ ret = mt9m111_setfmt_bayer8(client);
break;
- case V4L2_PIX_FMT_SBGGR16:
- ret = mt9m111_setfmt_bayer10(icd);
+ case V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE:
+ ret = mt9m111_setfmt_bayer10(client);
break;
- case V4L2_PIX_FMT_RGB555:
- ret = mt9m111_setfmt_rgb555(icd);
+ case V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE:
+ ret = mt9m111_setfmt_rgb555(client);
break;
- case V4L2_PIX_FMT_RGB565:
- ret = mt9m111_setfmt_rgb565(icd);
+ case V4L2_MBUS_FMT_RGB565_2X8_LE:
+ ret = mt9m111_setfmt_rgb565(client);
break;
- case V4L2_PIX_FMT_YUYV:
- ret = mt9m111_setfmt_yuv(icd);
+ case V4L2_MBUS_FMT_YUYV8_2X8_BE:
+ mt9m111->swap_yuv_y_chromas = 0;
+ mt9m111->swap_yuv_cb_cr = 0;
+ ret = mt9m111_setfmt_yuv(client);
+ break;
+ case V4L2_MBUS_FMT_YVYU8_2X8_BE:
+ mt9m111->swap_yuv_y_chromas = 0;
+ mt9m111->swap_yuv_cb_cr = 1;
+ ret = mt9m111_setfmt_yuv(client);
+ break;
+ case V4L2_MBUS_FMT_YUYV8_2X8_LE:
+ mt9m111->swap_yuv_y_chromas = 1;
+ mt9m111->swap_yuv_cb_cr = 0;
+ ret = mt9m111_setfmt_yuv(client);
+ break;
+ case V4L2_MBUS_FMT_YVYU8_2X8_LE:
+ mt9m111->swap_yuv_y_chromas = 1;
+ mt9m111->swap_yuv_cb_cr = 1;
+ ret = mt9m111_setfmt_yuv(client);
break;
default:
- dev_err(&icd->dev, "Pixel format not handled : %x\n", pixfmt);
+ dev_err(&client->dev, "Pixel format not handled : %x\n",
+ code);
ret = -EINVAL;
}
- if (!ret)
- mt9m111->pixfmt = pixfmt;
-
return ret;
}
-static int mt9m111_set_fmt_cap(struct soc_camera_device *icd,
- __u32 pixfmt, struct v4l2_rect *rect)
+static int mt9m111_s_fmt(struct v4l2_subdev *sd,
+ struct v4l2_mbus_framefmt *mf)
{
- struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
+ struct i2c_client *client = sd->priv;
+ const struct mt9m111_datafmt *fmt;
+ struct mt9m111 *mt9m111 = to_mt9m111(client);
+ struct v4l2_rect rect = {
+ .left = mt9m111->rect.left,
+ .top = mt9m111->rect.top,
+ .width = mf->width,
+ .height = mf->height,
+ };
int ret;
- mt9m111->left = rect->left;
- mt9m111->top = rect->top;
- mt9m111->width = rect->width;
- mt9m111->height = rect->height;
+ fmt = mt9m111_find_datafmt(mf->code, mt9m111_colour_fmts,
+ ARRAY_SIZE(mt9m111_colour_fmts));
+ if (!fmt)
+ return -EINVAL;
- dev_dbg(&icd->dev, "%s fmt=%x left=%d, top=%d, width=%d, height=%d\n",
- __func__, pixfmt, mt9m111->left, mt9m111->top, mt9m111->width,
- mt9m111->height);
+ dev_dbg(&client->dev,
+ "%s code=%x left=%d, top=%d, width=%d, height=%d\n", __func__,
+ mf->code, rect.left, rect.top, rect.width, rect.height);
- ret = mt9m111_setup_rect(icd);
+ ret = mt9m111_make_rect(client, &rect);
if (!ret)
- ret = mt9m111_set_pixfmt(icd, pixfmt);
+ ret = mt9m111_set_pixfmt(client, mf->code);
+ if (!ret) {
+ mt9m111->rect = rect;
+ mt9m111->fmt = fmt;
+ mf->colorspace = fmt->colorspace;
+ }
+
return ret;
}
-static int mt9m111_try_fmt_cap(struct soc_camera_device *icd,
- struct v4l2_format *f)
+static int mt9m111_try_fmt(struct v4l2_subdev *sd,
+ struct v4l2_mbus_framefmt *mf)
{
- if (f->fmt.pix.height > MT9M111_MAX_HEIGHT)
- f->fmt.pix.height = MT9M111_MAX_HEIGHT;
- if (f->fmt.pix.width > MT9M111_MAX_WIDTH)
- f->fmt.pix.width = MT9M111_MAX_WIDTH;
+ struct i2c_client *client = sd->priv;
+ struct mt9m111 *mt9m111 = to_mt9m111(client);
+ const struct mt9m111_datafmt *fmt;
+ bool bayer = mf->code == V4L2_MBUS_FMT_SBGGR8_1X8 ||
+ mf->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE;
+
+ fmt = mt9m111_find_datafmt(mf->code, mt9m111_colour_fmts,
+ ARRAY_SIZE(mt9m111_colour_fmts));
+ if (!fmt) {
+ fmt = mt9m111->fmt;
+ mf->code = fmt->code;
+ }
+
+ /*
+ * With Bayer format enforce even side lengths, but let the user play
+ * with the starting pixel
+ */
+
+ if (mf->height > MT9M111_MAX_HEIGHT)
+ mf->height = MT9M111_MAX_HEIGHT;
+ else if (mf->height < 2)
+ mf->height = 2;
+ else if (bayer)
+ mf->height = ALIGN(mf->height, 2);
+
+ if (mf->width > MT9M111_MAX_WIDTH)
+ mf->width = MT9M111_MAX_WIDTH;
+ else if (mf->width < 2)
+ mf->width = 2;
+ else if (bayer)
+ mf->width = ALIGN(mf->width, 2);
+
+ mf->colorspace = fmt->colorspace;
return 0;
}
-static int mt9m111_get_chip_id(struct soc_camera_device *icd,
- struct v4l2_chip_ident *id)
+static int mt9m111_g_chip_ident(struct v4l2_subdev *sd,
+ struct v4l2_dbg_chip_ident *id)
{
- struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
+ struct i2c_client *client = sd->priv;
+ struct mt9m111 *mt9m111 = to_mt9m111(client);
- if (id->match_type != V4L2_CHIP_MATCH_I2C_ADDR)
+ if (id->match.type != V4L2_CHIP_MATCH_I2C_ADDR)
return -EINVAL;
- if (id->match_chip != mt9m111->client->addr)
+ if (id->match.addr != client->addr)
return -ENODEV;
id->ident = mt9m111->model;
}
#ifdef CONFIG_VIDEO_ADV_DEBUG
-static int mt9m111_get_register(struct soc_camera_device *icd,
- struct v4l2_register *reg)
+static int mt9m111_g_register(struct v4l2_subdev *sd,
+ struct v4l2_dbg_register *reg)
{
+ struct i2c_client *client = sd->priv;
int val;
- struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
-
- if (reg->match_type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0x2ff)
+ if (reg->match.type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0x2ff)
return -EINVAL;
- if (reg->match_chip != mt9m111->client->addr)
+ if (reg->match.addr != client->addr)
return -ENODEV;
- val = mt9m111_reg_read(icd, reg->reg);
+ val = mt9m111_reg_read(client, reg->reg);
+ reg->size = 2;
reg->val = (u64)val;
if (reg->val > 0xffff)
return 0;
}
-static int mt9m111_set_register(struct soc_camera_device *icd,
- struct v4l2_register *reg)
+static int mt9m111_s_register(struct v4l2_subdev *sd,
+ struct v4l2_dbg_register *reg)
{
- struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
+ struct i2c_client *client = sd->priv;
- if (reg->match_type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0x2ff)
+ if (reg->match.type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0x2ff)
return -EINVAL;
- if (reg->match_chip != mt9m111->client->addr)
+ if (reg->match.addr != client->addr)
return -ENODEV;
- if (mt9m111_reg_write(icd, reg->reg, reg->val) < 0)
+ if (mt9m111_reg_write(client, reg->reg, reg->val) < 0)
return -EIO;
return 0;
}
};
-static int mt9m111_video_probe(struct soc_camera_device *);
-static void mt9m111_video_remove(struct soc_camera_device *);
-static int mt9m111_get_control(struct soc_camera_device *,
- struct v4l2_control *);
-static int mt9m111_set_control(struct soc_camera_device *,
- struct v4l2_control *);
static int mt9m111_resume(struct soc_camera_device *icd);
-static int mt9m111_init(struct soc_camera_device *icd);
-static int mt9m111_release(struct soc_camera_device *icd);
+static int mt9m111_suspend(struct soc_camera_device *icd, pm_message_t state);
static struct soc_camera_ops mt9m111_ops = {
- .owner = THIS_MODULE,
- .probe = mt9m111_video_probe,
- .remove = mt9m111_video_remove,
- .init = mt9m111_init,
+ .suspend = mt9m111_suspend,
.resume = mt9m111_resume,
- .release = mt9m111_release,
- .start_capture = mt9m111_start_capture,
- .stop_capture = mt9m111_stop_capture,
- .set_fmt_cap = mt9m111_set_fmt_cap,
- .try_fmt_cap = mt9m111_try_fmt_cap,
.query_bus_param = mt9m111_query_bus_param,
.set_bus_param = mt9m111_set_bus_param,
.controls = mt9m111_controls,
.num_controls = ARRAY_SIZE(mt9m111_controls),
- .get_control = mt9m111_get_control,
- .set_control = mt9m111_set_control,
- .get_chip_id = mt9m111_get_chip_id,
-#ifdef CONFIG_VIDEO_ADV_DEBUG
- .get_register = mt9m111_get_register,
- .set_register = mt9m111_set_register,
-#endif
};
-static int mt9m111_set_flip(struct soc_camera_device *icd, int flip, int mask)
+static int mt9m111_set_flip(struct i2c_client *client, int flip, int mask)
{
- struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
+ struct mt9m111 *mt9m111 = to_mt9m111(client);
int ret;
if (mt9m111->context == HIGHPOWER) {
return ret;
}
-static int mt9m111_get_global_gain(struct soc_camera_device *icd)
+static int mt9m111_get_global_gain(struct i2c_client *client)
{
- unsigned int data, gain;
+ int data;
data = reg_read(GLOBAL_GAIN);
if (data >= 0)
- gain = ((data & (1 << 10)) * 2)
- | ((data & (1 << 9)) * 2)
- | (data & 0x2f);
- else
- gain = data;
-
- return gain;
+ return (data & 0x2f) * (1 << ((data >> 10) & 1)) *
+ (1 << ((data >> 9) & 1));
+ return data;
}
-static int mt9m111_set_global_gain(struct soc_camera_device *icd, int gain)
+
+static int mt9m111_set_global_gain(struct i2c_client *client, int gain)
{
+ struct mt9m111 *mt9m111 = to_mt9m111(client);
u16 val;
if (gain > 63 * 2 * 2)
return -EINVAL;
- icd->gain = gain;
+ mt9m111->gain = gain;
if ((gain >= 64 * 2) && (gain < 63 * 2 * 2))
val = (1 << 10) | (1 << 9) | (gain / 4);
else if ((gain >= 64) && (gain < 64 * 2))
return reg_write(GLOBAL_GAIN, val);
}
-static int mt9m111_set_autoexposure(struct soc_camera_device *icd, int on)
+static int mt9m111_set_autoexposure(struct i2c_client *client, int on)
{
- struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
+ struct mt9m111 *mt9m111 = to_mt9m111(client);
int ret;
if (on)
return ret;
}
-static int mt9m111_get_control(struct soc_camera_device *icd,
- struct v4l2_control *ctrl)
+
+static int mt9m111_set_autowhitebalance(struct i2c_client *client, int on)
+{
+ struct mt9m111 *mt9m111 = to_mt9m111(client);
+ int ret;
+
+ if (on)
+ ret = reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN);
+ else
+ ret = reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN);
+
+ if (!ret)
+ mt9m111->autowhitebalance = on;
+
+ return ret;
+}
+
+static int mt9m111_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
- struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
+ struct i2c_client *client = sd->priv;
+ struct mt9m111 *mt9m111 = to_mt9m111(client);
int data;
switch (ctrl->id) {
ctrl->value = !!(data & MT9M111_RMB_MIRROR_COLS);
break;
case V4L2_CID_GAIN:
- data = mt9m111_get_global_gain(icd);
+ data = mt9m111_get_global_gain(client);
if (data < 0)
return data;
ctrl->value = data;
case V4L2_CID_EXPOSURE_AUTO:
ctrl->value = mt9m111->autoexposure;
break;
+ case V4L2_CID_AUTO_WHITE_BALANCE:
+ ctrl->value = mt9m111->autowhitebalance;
+ break;
}
return 0;
}
-static int mt9m111_set_control(struct soc_camera_device *icd,
- struct v4l2_control *ctrl)
+static int mt9m111_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
- struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
+ struct i2c_client *client = sd->priv;
+ struct mt9m111 *mt9m111 = to_mt9m111(client);
const struct v4l2_queryctrl *qctrl;
int ret;
qctrl = soc_camera_find_qctrl(&mt9m111_ops, ctrl->id);
-
if (!qctrl)
return -EINVAL;
switch (ctrl->id) {
case V4L2_CID_VFLIP:
mt9m111->vflip = ctrl->value;
- ret = mt9m111_set_flip(icd, ctrl->value,
+ ret = mt9m111_set_flip(client, ctrl->value,
MT9M111_RMB_MIRROR_ROWS);
break;
case V4L2_CID_HFLIP:
mt9m111->hflip = ctrl->value;
- ret = mt9m111_set_flip(icd, ctrl->value,
+ ret = mt9m111_set_flip(client, ctrl->value,
MT9M111_RMB_MIRROR_COLS);
break;
case V4L2_CID_GAIN:
- ret = mt9m111_set_global_gain(icd, ctrl->value);
+ ret = mt9m111_set_global_gain(client, ctrl->value);
break;
case V4L2_CID_EXPOSURE_AUTO:
- ret = mt9m111_set_autoexposure(icd, ctrl->value);
+ ret = mt9m111_set_autoexposure(client, ctrl->value);
+ break;
+ case V4L2_CID_AUTO_WHITE_BALANCE:
+ ret = mt9m111_set_autowhitebalance(client, ctrl->value);
break;
default:
ret = -EINVAL;
return ret;
}
-int mt9m111_restore_state(struct soc_camera_device *icd)
+static int mt9m111_suspend(struct soc_camera_device *icd, pm_message_t state)
{
- struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
+ struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
+ struct mt9m111 *mt9m111 = to_mt9m111(client);
+
+ mt9m111->gain = mt9m111_get_global_gain(client);
- mt9m111_set_context(icd, mt9m111->context);
- mt9m111_set_pixfmt(icd, mt9m111->pixfmt);
- mt9m111_setup_rect(icd);
- mt9m111_set_flip(icd, mt9m111->hflip, MT9M111_RMB_MIRROR_COLS);
- mt9m111_set_flip(icd, mt9m111->vflip, MT9M111_RMB_MIRROR_ROWS);
- mt9m111_set_global_gain(icd, icd->gain);
- mt9m111_set_autoexposure(icd, mt9m111->autoexposure);
+ return 0;
+}
+
+static int mt9m111_restore_state(struct i2c_client *client)
+{
+ struct mt9m111 *mt9m111 = to_mt9m111(client);
+
+ mt9m111_set_context(client, mt9m111->context);
+ mt9m111_set_pixfmt(client, mt9m111->fmt->code);
+ mt9m111_setup_rect(client, &mt9m111->rect);
+ mt9m111_set_flip(client, mt9m111->hflip, MT9M111_RMB_MIRROR_COLS);
+ mt9m111_set_flip(client, mt9m111->vflip, MT9M111_RMB_MIRROR_ROWS);
+ mt9m111_set_global_gain(client, mt9m111->gain);
+ mt9m111_set_autoexposure(client, mt9m111->autoexposure);
+ mt9m111_set_autowhitebalance(client, mt9m111->autowhitebalance);
return 0;
}
static int mt9m111_resume(struct soc_camera_device *icd)
{
- struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
+ struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
+ struct mt9m111 *mt9m111 = to_mt9m111(client);
int ret = 0;
if (mt9m111->powered) {
- ret = mt9m111_enable(icd);
+ ret = mt9m111_enable(client);
if (!ret)
- ret = mt9m111_reset(icd);
+ ret = mt9m111_reset(client);
if (!ret)
- ret = mt9m111_restore_state(icd);
+ ret = mt9m111_restore_state(client);
}
return ret;
}
-static int mt9m111_init(struct soc_camera_device *icd)
+static int mt9m111_init(struct i2c_client *client)
{
- struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
+ struct mt9m111 *mt9m111 = to_mt9m111(client);
int ret;
mt9m111->context = HIGHPOWER;
- ret = mt9m111_enable(icd);
+ ret = mt9m111_enable(client);
if (!ret)
- ret = mt9m111_reset(icd);
+ ret = mt9m111_reset(client);
if (!ret)
- ret = mt9m111_set_context(icd, mt9m111->context);
+ ret = mt9m111_set_context(client, mt9m111->context);
if (!ret)
- ret = mt9m111_set_autoexposure(icd, mt9m111->autoexposure);
+ ret = mt9m111_set_autoexposure(client, mt9m111->autoexposure);
if (ret)
- dev_err(&icd->dev, "mt9m111 init failed: %d\n", ret);
- return ret;
-}
-
-static int mt9m111_release(struct soc_camera_device *icd)
-{
- int ret;
-
- ret = mt9m111_disable(icd);
- if (ret < 0)
- dev_err(&icd->dev, "mt9m111 release failed: %d\n", ret);
-
+ dev_err(&client->dev, "mt9m11x init failed: %d\n", ret);
return ret;
}
* Interface active, can use i2c. If it fails, it can indeed mean, that
* this wasn't our capture interface, so, we wait for the right one
*/
-static int mt9m111_video_probe(struct soc_camera_device *icd)
+static int mt9m111_video_probe(struct soc_camera_device *icd,
+ struct i2c_client *client)
{
- struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
+ struct mt9m111 *mt9m111 = to_mt9m111(client);
s32 data;
int ret;
to_soc_camera_host(icd->dev.parent)->nr != icd->iface)
return -ENODEV;
- ret = mt9m111_enable(icd);
- if (ret)
- goto ei2c;
- ret = mt9m111_reset(icd);
+ mt9m111->autoexposure = 1;
+ mt9m111->autowhitebalance = 1;
+
+ mt9m111->swap_rgb_even_odd = 1;
+ mt9m111->swap_rgb_red_blue = 1;
+
+ ret = mt9m111_init(client);
if (ret)
goto ei2c;
data = reg_read(CHIP_VERSION);
switch (data) {
- case 0x143a:
+ case 0x143a: /* MT9M111 */
mt9m111->model = V4L2_IDENT_MT9M111;
- icd->formats = mt9m111_colour_formats;
- icd->num_formats = ARRAY_SIZE(mt9m111_colour_formats);
+ break;
+ case 0x148c: /* MT9M112 */
+ mt9m111->model = V4L2_IDENT_MT9M112;
break;
default:
ret = -ENODEV;
- dev_err(&icd->dev,
- "No MT9M111 chip detected, register read %x\n", data);
+ dev_err(&client->dev,
+ "No MT9M11x chip detected, register read %x\n", data);
goto ei2c;
}
- dev_info(&icd->dev, "Detected a MT9M111 chip ID 0x143a\n");
-
- ret = soc_camera_video_start(icd);
- if (ret)
- goto eisis;
+ dev_info(&client->dev, "Detected a MT9M11x chip ID %x\n", data);
- mt9m111->autoexposure = 1;
-
- mt9m111->swap_rgb_even_odd = 1;
- mt9m111->swap_rgb_red_blue = 1;
-
- return 0;
-eisis:
ei2c:
return ret;
}
-static void mt9m111_video_remove(struct soc_camera_device *icd)
+static struct v4l2_subdev_core_ops mt9m111_subdev_core_ops = {
+ .g_ctrl = mt9m111_g_ctrl,
+ .s_ctrl = mt9m111_s_ctrl,
+ .g_chip_ident = mt9m111_g_chip_ident,
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+ .g_register = mt9m111_g_register,
+ .s_register = mt9m111_s_register,
+#endif
+};
+
+static int mt9m111_enum_fmt(struct v4l2_subdev *sd, int index,
+ enum v4l2_mbus_pixelcode *code)
{
- struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
+ if ((unsigned int)index >= ARRAY_SIZE(mt9m111_colour_fmts))
+ return -EINVAL;
- dev_dbg(&icd->dev, "Video %x removed: %p, %p\n", mt9m111->client->addr,
- mt9m111->icd.dev.parent, mt9m111->icd.vdev);
- soc_camera_video_stop(&mt9m111->icd);
+ *code = mt9m111_colour_fmts[index].code;
+ return 0;
}
+static struct v4l2_subdev_video_ops mt9m111_subdev_video_ops = {
+ .s_mbus_fmt = mt9m111_s_fmt,
+ .g_mbus_fmt = mt9m111_g_fmt,
+ .try_mbus_fmt = mt9m111_try_fmt,
+ .s_crop = mt9m111_s_crop,
+ .g_crop = mt9m111_g_crop,
+ .cropcap = mt9m111_cropcap,
+ .enum_mbus_fmt = mt9m111_enum_fmt,
+};
+
+static struct v4l2_subdev_ops mt9m111_subdev_ops = {
+ .core = &mt9m111_subdev_core_ops,
+ .video = &mt9m111_subdev_video_ops,
+};
+
static int mt9m111_probe(struct i2c_client *client,
const struct i2c_device_id *did)
{
struct mt9m111 *mt9m111;
- struct soc_camera_device *icd;
+ struct soc_camera_device *icd = client->dev.platform_data;
struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
- struct soc_camera_link *icl = client->dev.platform_data;
+ struct soc_camera_link *icl;
int ret;
+ if (!icd) {
+ dev_err(&client->dev, "MT9M11x: missing soc-camera data!\n");
+ return -EINVAL;
+ }
+
+ icl = to_soc_camera_link(icd);
if (!icl) {
- dev_err(&client->dev, "MT9M111 driver needs platform data\n");
+ dev_err(&client->dev, "MT9M11x driver needs platform data\n");
return -EINVAL;
}
if (!mt9m111)
return -ENOMEM;
- mt9m111->client = client;
- i2c_set_clientdata(client, mt9m111);
+ v4l2_i2c_subdev_init(&mt9m111->subdev, client, &mt9m111_subdev_ops);
/* Second stage probe - when a capture adapter is there */
- icd = &mt9m111->icd;
- icd->ops = &mt9m111_ops;
- icd->control = &client->dev;
- icd->x_min = MT9M111_MIN_DARK_COLS;
- icd->y_min = MT9M111_MIN_DARK_ROWS;
- icd->x_current = icd->x_min;
- icd->y_current = icd->y_min;
- icd->width_min = MT9M111_MIN_DARK_ROWS;
- icd->width_max = MT9M111_MAX_WIDTH;
- icd->height_min = MT9M111_MIN_DARK_COLS;
- icd->height_max = MT9M111_MAX_HEIGHT;
- icd->y_skip_top = 0;
- icd->iface = icl->bus_id;
-
- ret = soc_camera_device_register(icd);
- if (ret)
- goto eisdr;
- return 0;
+ icd->ops = &mt9m111_ops;
+
+ mt9m111->rect.left = MT9M111_MIN_DARK_COLS;
+ mt9m111->rect.top = MT9M111_MIN_DARK_ROWS;
+ mt9m111->rect.width = MT9M111_MAX_WIDTH;
+ mt9m111->rect.height = MT9M111_MAX_HEIGHT;
+ mt9m111->fmt = &mt9m111_colour_fmts[0];
+
+ ret = mt9m111_video_probe(icd, client);
+ if (ret) {
+ icd->ops = NULL;
+ i2c_set_clientdata(client, NULL);
+ kfree(mt9m111);
+ }
-eisdr:
- kfree(mt9m111);
return ret;
}
static int mt9m111_remove(struct i2c_client *client)
{
- struct mt9m111 *mt9m111 = i2c_get_clientdata(client);
- soc_camera_device_unregister(&mt9m111->icd);
+ struct mt9m111 *mt9m111 = to_mt9m111(client);
+ struct soc_camera_device *icd = client->dev.platform_data;
+
+ icd->ops = NULL;
+ i2c_set_clientdata(client, NULL);
+ client->driver = NULL;
kfree(mt9m111);
return 0;
module_init(mt9m111_mod_init);
module_exit(mt9m111_mod_exit);
-MODULE_DESCRIPTION("Micron MT9M111 Camera driver");
+MODULE_DESCRIPTION("Micron MT9M111/MT9M112 Camera driver");
MODULE_AUTHOR("Robert Jarzmik");
MODULE_LICENSE("GPL");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff