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path: root/drivers/media/video/mt9m111.c
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Diffstat (limited to 'drivers/media/video/mt9m111.c')
-rw-r--r--drivers/media/video/mt9m111.c189
1 files changed, 114 insertions, 75 deletions
diff --git a/drivers/media/video/mt9m111.c b/drivers/media/video/mt9m111.c
index 90da699601e..d35f536f9fc 100644
--- a/drivers/media/video/mt9m111.c
+++ b/drivers/media/video/mt9m111.c
@@ -123,23 +123,34 @@
#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)
-#define JPG_FMT(_name, _depth, _fourcc) \
- COL_FMT(_name, _depth, _fourcc, V4L2_COLORSPACE_JPEG)
-
-static const struct soc_camera_data_format mt9m111_colour_formats[] = {
- JPG_FMT("CbYCrY 16 bit", 16, V4L2_PIX_FMT_UYVY),
- JPG_FMT("CrYCbY 16 bit", 16, V4L2_PIX_FMT_VYUY),
- JPG_FMT("YCbYCr 16 bit", 16, V4L2_PIX_FMT_YUYV),
- JPG_FMT("YCrYCb 16 bit", 16, V4L2_PIX_FMT_YVYU),
- 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 {
@@ -152,7 +163,7 @@ struct mt9m111 {
int model; /* V4L2_IDENT_MT9M11x* codes from v4l2-chip-ident.h */
enum mt9m111_context context;
struct v4l2_rect rect;
- u32 pixfmt;
+ const struct mt9m111_datafmt *fmt;
unsigned int gain;
unsigned char autoexposure;
unsigned char datawidth;
@@ -258,8 +269,8 @@ static int mt9m111_setup_rect(struct i2c_client *client,
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;
@@ -307,7 +318,8 @@ static int mt9m111_setup_pixfmt(struct i2c_client *client, u16 outfmt)
static int mt9m111_setfmt_bayer8(struct i2c_client *client)
{
- return mt9m111_setup_pixfmt(client, MT9M111_OUTFMT_PROCESSED_BAYER);
+ return mt9m111_setup_pixfmt(client, MT9M111_OUTFMT_PROCESSED_BAYER |
+ MT9M111_OUTFMT_RGB);
}
static int mt9m111_setfmt_bayer10(struct i2c_client *client)
@@ -401,8 +413,8 @@ static int mt9m111_make_rect(struct i2c_client *client,
{
struct mt9m111 *mt9m111 = to_mt9m111(client);
- 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) {
/* Bayer format - even size lengths */
rect->width = ALIGN(rect->width, 2);
rect->height = ALIGN(rect->height, 2);
@@ -460,120 +472,139 @@ static int mt9m111_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a)
return 0;
}
-static int mt9m111_g_fmt(struct v4l2_subdev *sd, struct v4l2_format *f)
+static int mt9m111_g_fmt(struct v4l2_subdev *sd,
+ struct v4l2_mbus_framefmt *mf)
{
struct i2c_client *client = sd->priv;
struct mt9m111 *mt9m111 = to_mt9m111(client);
- struct v4l2_pix_format *pix = &f->fmt.pix;
- pix->width = mt9m111->rect.width;
- pix->height = mt9m111->rect.height;
- pix->pixelformat = mt9m111->pixfmt;
- pix->field = V4L2_FIELD_NONE;
- pix->colorspace = V4L2_COLORSPACE_SRGB;
+ mf->width = mt9m111->rect.width;
+ mf->height = mt9m111->rect.height;
+ mf->code = mt9m111->fmt->code;
+ mf->field = V4L2_FIELD_NONE;
return 0;
}
-static int mt9m111_set_pixfmt(struct i2c_client *client, u32 pixfmt)
+static int mt9m111_set_pixfmt(struct i2c_client *client,
+ enum v4l2_mbus_pixelcode code)
{
struct mt9m111 *mt9m111 = to_mt9m111(client);
int ret;
- switch (pixfmt) {
- case V4L2_PIX_FMT_SBGGR8:
+ switch (code) {
+ case V4L2_MBUS_FMT_SBGGR8_1X8:
ret = mt9m111_setfmt_bayer8(client);
break;
- case V4L2_PIX_FMT_SBGGR16:
+ case V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE:
ret = mt9m111_setfmt_bayer10(client);
break;
- case V4L2_PIX_FMT_RGB555:
+ case V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE:
ret = mt9m111_setfmt_rgb555(client);
break;
- case V4L2_PIX_FMT_RGB565:
+ case V4L2_MBUS_FMT_RGB565_2X8_LE:
ret = mt9m111_setfmt_rgb565(client);
break;
- case V4L2_PIX_FMT_UYVY:
+ 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_PIX_FMT_VYUY:
+ 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_PIX_FMT_YUYV:
+ 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_PIX_FMT_YVYU:
+ 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(&client->dev, "Pixel format not handled : %x\n",
- pixfmt);
+ code);
ret = -EINVAL;
}
- if (!ret)
- mt9m111->pixfmt = pixfmt;
-
return ret;
}
-static int mt9m111_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *f)
+static int mt9m111_s_fmt(struct v4l2_subdev *sd,
+ struct v4l2_mbus_framefmt *mf)
{
struct i2c_client *client = sd->priv;
+ const struct mt9m111_datafmt *fmt;
struct mt9m111 *mt9m111 = to_mt9m111(client);
- struct v4l2_pix_format *pix = &f->fmt.pix;
struct v4l2_rect rect = {
.left = mt9m111->rect.left,
.top = mt9m111->rect.top,
- .width = pix->width,
- .height = pix->height,
+ .width = mf->width,
+ .height = mf->height,
};
int ret;
+ fmt = mt9m111_find_datafmt(mf->code, mt9m111_colour_fmts,
+ ARRAY_SIZE(mt9m111_colour_fmts));
+ if (!fmt)
+ return -EINVAL;
+
dev_dbg(&client->dev,
- "%s fmt=%x left=%d, top=%d, width=%d, height=%d\n", __func__,
- pix->pixelformat, rect.left, rect.top, rect.width, rect.height);
+ "%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_make_rect(client, &rect);
if (!ret)
- ret = mt9m111_set_pixfmt(client, pix->pixelformat);
- if (!ret)
- mt9m111->rect = rect;
+ 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(struct v4l2_subdev *sd, struct v4l2_format *f)
+static int mt9m111_try_fmt(struct v4l2_subdev *sd,
+ struct v4l2_mbus_framefmt *mf)
{
- struct v4l2_pix_format *pix = &f->fmt.pix;
- bool bayer = pix->pixelformat == V4L2_PIX_FMT_SBGGR8 ||
- pix->pixelformat == V4L2_PIX_FMT_SBGGR16;
+ 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 (pix->height > MT9M111_MAX_HEIGHT)
- pix->height = MT9M111_MAX_HEIGHT;
- else if (pix->height < 2)
- pix->height = 2;
+ if (mf->height > MT9M111_MAX_HEIGHT)
+ mf->height = MT9M111_MAX_HEIGHT;
+ else if (mf->height < 2)
+ mf->height = 2;
else if (bayer)
- pix->height = ALIGN(pix->height, 2);
+ mf->height = ALIGN(mf->height, 2);
- if (pix->width > MT9M111_MAX_WIDTH)
- pix->width = MT9M111_MAX_WIDTH;
- else if (pix->width < 2)
- pix->width = 2;
+ if (mf->width > MT9M111_MAX_WIDTH)
+ mf->width = MT9M111_MAX_WIDTH;
+ else if (mf->width < 2)
+ mf->width = 2;
else if (bayer)
- pix->width = ALIGN(pix->width, 2);
+ mf->width = ALIGN(mf->width, 2);
+
+ mf->colorspace = fmt->colorspace;
return 0;
}
@@ -863,7 +894,7 @@ 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->pixfmt);
+ 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);
@@ -952,9 +983,6 @@ static int mt9m111_video_probe(struct soc_camera_device *icd,
goto ei2c;
}
- icd->formats = mt9m111_colour_formats;
- icd->num_formats = ARRAY_SIZE(mt9m111_colour_formats);
-
dev_info(&client->dev, "Detected a MT9M11x chip ID %x\n", data);
ei2c:
@@ -971,13 +999,24 @@ static struct v4l2_subdev_core_ops mt9m111_subdev_core_ops = {
#endif
};
+static int mt9m111_enum_fmt(struct v4l2_subdev *sd, int index,
+ enum v4l2_mbus_pixelcode *code)
+{
+ if ((unsigned int)index >= ARRAY_SIZE(mt9m111_colour_fmts))
+ return -EINVAL;
+
+ *code = mt9m111_colour_fmts[index].code;
+ return 0;
+}
+
static struct v4l2_subdev_video_ops mt9m111_subdev_video_ops = {
- .s_fmt = mt9m111_s_fmt,
- .g_fmt = mt9m111_g_fmt,
- .try_fmt = mt9m111_try_fmt,
+ .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 = {
@@ -1019,12 +1058,12 @@ static int mt9m111_probe(struct i2c_client *client,
/* Second stage probe - when a capture adapter is there */
icd->ops = &mt9m111_ops;
- icd->y_skip_top = 0;
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) {