@@ -284,8 +284,8 @@ static unsigned long mt9m001_query_bus_param(struct soc_camera_device *icd)
return soc_camera_apply_sensor_flags(icl, flags);
}
-static int mt9m001_set_fmt(struct soc_camera_device *icd,
- __u32 pixfmt, struct v4l2_rect *rect)
+static int mt9m001_set_crop(struct soc_camera_device *icd,
+ struct v4l2_rect *rect)
{
struct mt9m001 *mt9m001 = container_of(icd, struct mt9m001, icd);
int ret;
@@ -324,6 +324,20 @@ static int mt9m001_set_fmt(struct soc_camera_device *icd,
return ret;
}
+static int mt9m001_set_fmt(struct soc_camera_device *icd,
+ struct v4l2_format *f)
+{
+ struct v4l2_rect rect = {
+ .left = icd->x_current,
+ .top = icd->y_current,
+ .width = f->fmt.pix.width,
+ .height = f->fmt.pix.height,
+ };
+
+ /* No support for scaling so far, just crop. TODO: use skipping */
+ return mt9m001_set_crop(icd, &rect);
+}
+
static int mt9m001_try_fmt(struct soc_camera_device *icd,
struct v4l2_format *f)
{
@@ -449,6 +463,7 @@ static struct soc_camera_ops mt9m001_ops = {
.release = mt9m001_release,
.start_capture = mt9m001_start_capture,
.stop_capture = mt9m001_stop_capture,
+ .set_crop = mt9m001_set_crop,
.set_fmt = mt9m001_set_fmt,
.try_fmt = mt9m001_try_fmt,
.set_bus_param = mt9m001_set_bus_param,
@@ -152,7 +152,7 @@ struct mt9m111 {
struct soc_camera_device icd;
int model; /* V4L2_IDENT_MT9M11x* codes from v4l2-chip-ident.h */
enum mt9m111_context context;
- unsigned int left, top, width, height;
+ struct v4l2_rect rect;
u32 pixfmt;
unsigned char autoexposure;
unsigned char datawidth;
@@ -249,12 +249,13 @@ static int mt9m111_set_context(struct soc_camera_device *icd,
return reg_write(CONTEXT_CONTROL, valA);
}
-static int mt9m111_setup_rect(struct soc_camera_device *icd)
+static int mt9m111_setup_rect(struct soc_camera_device *icd,
+ struct v4l2_rect *rect)
{
struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
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))
@@ -262,9 +263,9 @@ static int mt9m111_setup_rect(struct soc_camera_device *icd)
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)
@@ -436,6 +437,22 @@ static int mt9m111_set_bus_param(struct soc_camera_device *icd, unsigned long f)
return 0;
}
+static int mt9m111_set_crop(struct soc_camera_device *icd,
+ struct v4l2_rect *rect)
+{
+ struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
+ int ret;
+
+ dev_dbg(&icd->dev, "%s left=%d, top=%d, width=%d, height=%d\n",
+ __func__, rect->left, rect->top, rect->width,
+ rect->height);
+
+ ret = mt9m111_setup_rect(icd, rect);
+ if (!ret)
+ mt9m111->rect = *rect;
+ return ret;
+}
+
static int mt9m111_set_pixfmt(struct soc_camera_device *icd, u32 pixfmt)
{
struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
@@ -486,23 +503,27 @@ static int mt9m111_set_pixfmt(struct soc_camera_device *icd, u32 pixfmt)
}
static int mt9m111_set_fmt(struct soc_camera_device *icd,
- __u32 pixfmt, struct v4l2_rect *rect)
+ struct v4l2_format *f)
{
struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
+ 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,
+ };
int ret;
- mt9m111->left = rect->left;
- mt9m111->top = rect->top;
- mt9m111->width = rect->width;
- mt9m111->height = rect->height;
-
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);
+ __func__, pix->pixelformat, rect.left, rect.top, rect.width,
+ rect.height);
- ret = mt9m111_setup_rect(icd);
+ ret = mt9m111_setup_rect(icd, &rect);
+ if (!ret)
+ ret = mt9m111_set_pixfmt(icd, pix->pixelformat);
if (!ret)
- ret = mt9m111_set_pixfmt(icd, pixfmt);
+ mt9m111->rect = rect;
return ret;
}
@@ -633,6 +654,7 @@ static struct soc_camera_ops mt9m111_ops = {
.release = mt9m111_release,
.start_capture = mt9m111_start_capture,
.stop_capture = mt9m111_stop_capture,
+ .set_crop = mt9m111_set_crop,
.set_fmt = mt9m111_set_fmt,
.try_fmt = mt9m111_try_fmt,
.query_bus_param = mt9m111_query_bus_param,
@@ -817,7 +839,7 @@ static int mt9m111_restore_state(struct soc_camera_device *icd)
mt9m111_set_context(icd, mt9m111->context);
mt9m111_set_pixfmt(icd, mt9m111->pixfmt);
- mt9m111_setup_rect(icd);
+ mt9m111_setup_rect(icd, &mt9m111->rect);
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);
@@ -213,36 +213,14 @@ static void recalculate_limits(struct soc_camera_device *icd,
icd->height_max = MT9T031_MAX_HEIGHT / yskip;
}
-static int mt9t031_set_fmt(struct soc_camera_device *icd,
- __u32 pixfmt, struct v4l2_rect *rect)
+static int mt9t031_set_params(struct soc_camera_device *icd,
+ struct v4l2_rect *rect, u16 xskip, u16 yskip)
{
struct mt9t031 *mt9t031 = container_of(icd, struct mt9t031, icd);
int ret;
+ u16 xbin, ybin, width, height, left, top;
const u16 hblank = MT9T031_HORIZONTAL_BLANK,
vblank = MT9T031_VERTICAL_BLANK;
- u16 xbin, xskip, ybin, yskip, width, height, left, top;
-
- if (pixfmt) {
- /*
- * try_fmt has put rectangle within limits.
- * S_FMT - use binning and skipping for scaling, recalculate
- * limits, used for cropping
- */
- /* Is this more optimal than just a division? */
- for (xskip = 8; xskip > 1; xskip--)
- if (rect->width * xskip <= MT9T031_MAX_WIDTH)
- break;
-
- for (yskip = 8; yskip > 1; yskip--)
- if (rect->height * yskip <= MT9T031_MAX_HEIGHT)
- break;
-
- recalculate_limits(icd, xskip, yskip);
- } else {
- /* CROP - no change in scaling, or in limits */
- xskip = mt9t031->xskip;
- yskip = mt9t031->yskip;
- }
/* Make sure we don't exceed sensor limits */
if (rect->left + rect->width > icd->width_max)
@@ -289,7 +267,7 @@ static int mt9t031_set_fmt(struct soc_camera_device *icd,
if (ret >= 0)
ret = reg_write(icd, MT9T031_VERTICAL_BLANKING, vblank);
- if (pixfmt) {
+ if (yskip != mt9t031->yskip || xskip != mt9t031->xskip) {
/* Binning, skipping */
if (ret >= 0)
ret = reg_write(icd, MT9T031_COLUMN_ADDRESS_MODE,
@@ -325,15 +303,58 @@ static int mt9t031_set_fmt(struct soc_camera_device *icd,
}
}
- if (!ret && pixfmt) {
+ /* Re-enable register update, commit all changes */
+ if (ret >= 0)
+ ret = reg_clear(icd, MT9T031_OUTPUT_CONTROL, 1);
+
+ return ret < 0 ? ret : 0;
+}
+
+static int mt9t031_set_crop(struct soc_camera_device *icd,
+ struct v4l2_rect *rect)
+{
+ struct mt9t031 *mt9t031 = container_of(icd, struct mt9t031, icd);
+
+ /* CROP - no change in scaling, or in limits */
+ return mt9t031_set_params(icd, rect, mt9t031->xskip, mt9t031->yskip);
+}
+
+static int mt9t031_set_fmt(struct soc_camera_device *icd,
+ struct v4l2_format *f)
+{
+ struct mt9t031 *mt9t031 = container_of(icd, struct mt9t031, icd);
+ int ret;
+ u16 xskip, yskip;
+ struct v4l2_rect rect = {
+ .left = icd->x_current,
+ .top = icd->y_current,
+ .width = f->fmt.pix.width,
+ .height = f->fmt.pix.height,
+ };
+
+ /*
+ * try_fmt has put rectangle within limits.
+ * S_FMT - use binning and skipping for scaling, recalculate
+ * limits, used for cropping
+ */
+ /* Is this more optimal than just a division? */
+ for (xskip = 8; xskip > 1; xskip--)
+ if (rect.width * xskip <= MT9T031_MAX_WIDTH)
+ break;
+
+ for (yskip = 8; yskip > 1; yskip--)
+ if (rect.height * yskip <= MT9T031_MAX_HEIGHT)
+ break;
+
+ recalculate_limits(icd, xskip, yskip);
+
+ ret = mt9t031_set_params(icd, &rect, xskip, yskip);
+ if (!ret) {
mt9t031->xskip = xskip;
mt9t031->yskip = yskip;
}
- /* Re-enable register update, commit all changes */
- reg_clear(icd, MT9T031_OUTPUT_CONTROL, 1);
-
- return ret < 0 ? ret : 0;
+ return ret;
}
static int mt9t031_try_fmt(struct soc_camera_device *icd,
@@ -470,6 +491,7 @@ static struct soc_camera_ops mt9t031_ops = {
.release = mt9t031_release,
.start_capture = mt9t031_start_capture,
.stop_capture = mt9t031_stop_capture,
+ .set_crop = mt9t031_set_crop,
.set_fmt = mt9t031_set_fmt,
.try_fmt = mt9t031_try_fmt,
.set_bus_param = mt9t031_set_bus_param,
@@ -340,32 +340,11 @@ static unsigned long mt9v022_query_bus_param(struct soc_camera_device *icd)
width_flag;
}
-static int mt9v022_set_fmt(struct soc_camera_device *icd,
- __u32 pixfmt, struct v4l2_rect *rect)
+static int mt9v022_set_crop(struct soc_camera_device *icd,
+ struct v4l2_rect *rect)
{
- struct mt9v022 *mt9v022 = container_of(icd, struct mt9v022, icd);
int ret;
- /* The caller provides a supported format, as verified per call to
- * icd->try_fmt(), datawidth is from our supported format list */
- switch (pixfmt) {
- case V4L2_PIX_FMT_GREY:
- case V4L2_PIX_FMT_Y16:
- if (mt9v022->model != V4L2_IDENT_MT9V022IX7ATM)
- return -EINVAL;
- break;
- case V4L2_PIX_FMT_SBGGR8:
- case V4L2_PIX_FMT_SBGGR16:
- if (mt9v022->model != V4L2_IDENT_MT9V022IX7ATC)
- return -EINVAL;
- break;
- case 0:
- /* No format change, only geometry */
- break;
- default:
- return -EINVAL;
- }
-
/* Like in example app. Contradicts the datasheet though */
ret = reg_read(icd, MT9V022_AEC_AGC_ENABLE);
if (ret >= 0) {
@@ -403,6 +382,42 @@ static int mt9v022_set_fmt(struct soc_camera_device *icd,
return 0;
}
+static int mt9v022_set_fmt(struct soc_camera_device *icd,
+ struct v4l2_format *f)
+{
+ struct mt9v022 *mt9v022 = container_of(icd, struct mt9v022, icd);
+ struct v4l2_pix_format *pix = &f->fmt.pix;
+ struct v4l2_rect rect = {
+ .left = icd->x_current,
+ .top = icd->y_current,
+ .width = pix->width,
+ .height = pix->height,
+ };
+
+ /* The caller provides a supported format, as verified per call to
+ * icd->try_fmt(), datawidth is from our supported format list */
+ switch (pix->pixelformat) {
+ case V4L2_PIX_FMT_GREY:
+ case V4L2_PIX_FMT_Y16:
+ if (mt9v022->model != V4L2_IDENT_MT9V022IX7ATM)
+ return -EINVAL;
+ break;
+ case V4L2_PIX_FMT_SBGGR8:
+ case V4L2_PIX_FMT_SBGGR16:
+ if (mt9v022->model != V4L2_IDENT_MT9V022IX7ATC)
+ return -EINVAL;
+ break;
+ case 0:
+ /* No format change, only geometry */
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* No support for scaling on this camera, just crop. */
+ return mt9v022_set_crop(icd, &rect);
+}
+
static int mt9v022_try_fmt(struct soc_camera_device *icd,
struct v4l2_format *f)
{
@@ -544,6 +559,7 @@ static struct soc_camera_ops mt9v022_ops = {
.release = mt9v022_release,
.start_capture = mt9v022_start_capture,
.stop_capture = mt9v022_stop_capture,
+ .set_crop = mt9v022_set_crop,
.set_fmt = mt9v022_set_fmt,
.try_fmt = mt9v022_try_fmt,
.set_bus_param = mt9v022_set_bus_param,
@@ -544,16 +544,14 @@ static void mx3_camera_remove_device(struct soc_camera_device *icd)
}
static bool channel_change_requested(struct soc_camera_device *icd,
- const struct soc_camera_format_xlate *xlate,
- __u32 pixfmt, struct v4l2_rect *rect)
+ struct v4l2_rect *rect)
{
struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
struct mx3_camera_dev *mx3_cam = ici->priv;
struct idmac_channel *ichan = mx3_cam->idmac_channel[0];
- /* So far only one configuration is supported */
- return pixfmt || (ichan && rect->width * rect->height >
- icd->width * icd->height);
+ /* Do buffers have to be re-allocated or channel re-configured? */
+ return ichan && rect->width * rect->height > icd->width * icd->height;
}
static int test_platform_param(struct mx3_camera_dev *mx3_cam,
@@ -733,61 +731,10 @@ passthrough:
return formats;
}
-static int mx3_camera_set_fmt(struct soc_camera_device *icd,
- __u32 pixfmt, struct v4l2_rect *rect)
+static void configure_geometry(struct mx3_camera_dev *mx3_cam,
+ struct v4l2_rect *rect)
{
- struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
- struct mx3_camera_dev *mx3_cam = ici->priv;
- const struct soc_camera_format_xlate *xlate;
u32 ctrl, width_field, height_field;
- int ret;
-
- xlate = soc_camera_xlate_by_fourcc(icd, pixfmt);
- if (pixfmt && !xlate) {
- dev_warn(&ici->dev, "Format %x not found\n", pixfmt);
- return -EINVAL;
- }
-
- /*
- * We now know pixel formats and can decide upon DMA-channel(s)
- * So far only direct camera-to-memory is supported
- */
- if (channel_change_requested(icd, xlate, pixfmt, rect)) {
- dma_cap_mask_t mask;
- struct dma_chan *chan;
- struct idmac_channel **ichan = &mx3_cam->idmac_channel[0];
- /* We have to use IDMAC_IC_7 for Bayer / generic data */
- struct dma_chan_request rq = {.mx3_cam = mx3_cam,
- .id = IDMAC_IC_7};
-
- if (*ichan) {
- struct videobuf_buffer *vb, *_vb;
- dma_release_channel(&(*ichan)->dma_chan);
- *ichan = NULL;
- mx3_cam->active = NULL;
- list_for_each_entry_safe(vb, _vb, &mx3_cam->capture, queue) {
- list_del_init(&vb->queue);
- vb->state = VIDEOBUF_ERROR;
- wake_up(&vb->done);
- }
- }
-
- dma_cap_zero(mask);
- dma_cap_set(DMA_SLAVE, mask);
- dma_cap_set(DMA_PRIVATE, mask);
- chan = dma_request_channel(mask, chan_filter, &rq);
- if (!chan)
- return -EBUSY;
-
- *ichan = to_idmac_chan(chan);
- (*ichan)->client = mx3_cam;
- }
-
- /*
- * Might have to perform a complete interface initialisation like in
- * ipu_csi_init_interface() in mxc_v4l2_s_param(). Also consider
- * mxc_v4l2_s_fmt()
- */
/* Setup frame size - this cannot be changed on-the-fly... */
width_field = rect->width - 1;
@@ -808,9 +755,98 @@ static int mx3_camera_set_fmt(struct soc_camera_device *icd,
* No need to free resources here if we fail, we'll see if we need to
* do this next time we are called
*/
+}
+
+static int acquire_dma_channel(struct mx3_camera_dev *mx3_cam)
+{
+ dma_cap_mask_t mask;
+ struct dma_chan *chan;
+ struct idmac_channel **ichan = &mx3_cam->idmac_channel[0];
+ /* We have to use IDMAC_IC_7 for Bayer / generic data */
+ struct dma_chan_request rq = {.mx3_cam = mx3_cam,
+ .id = IDMAC_IC_7};
+
+ if (*ichan) {
+ struct videobuf_buffer *vb, *_vb;
+ dma_release_channel(&(*ichan)->dma_chan);
+ *ichan = NULL;
+ mx3_cam->active = NULL;
+ list_for_each_entry_safe(vb, _vb, &mx3_cam->capture, queue) {
+ list_del_init(&vb->queue);
+ vb->state = VIDEOBUF_ERROR;
+ wake_up(&vb->done);
+ }
+ }
+
+ dma_cap_zero(mask);
+ dma_cap_set(DMA_SLAVE, mask);
+ dma_cap_set(DMA_PRIVATE, mask);
+ chan = dma_request_channel(mask, chan_filter, &rq);
+ if (!chan)
+ return -EBUSY;
+
+ *ichan = to_idmac_chan(chan);
+ (*ichan)->client = mx3_cam;
+
+ return 0;
+}
+
+static int mx3_camera_set_crop(struct soc_camera_device *icd,
+ struct v4l2_rect *rect)
+{
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+ struct mx3_camera_dev *mx3_cam = ici->priv;
+
+ /*
+ * We now know pixel formats and can decide upon DMA-channel(s)
+ * So far only direct camera-to-memory is supported
+ */
+ if (channel_change_requested(icd, rect)) {
+ int ret = acquire_dma_channel(mx3_cam);
+ if (ret < 0)
+ return ret;
+ }
+
+ configure_geometry(mx3_cam, rect);
+
+ return icd->ops->set_crop(icd, rect);
+}
+
+static int mx3_camera_set_fmt(struct soc_camera_device *icd,
+ struct v4l2_format *f)
+{
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+ struct mx3_camera_dev *mx3_cam = ici->priv;
+ const struct soc_camera_format_xlate *xlate;
+ struct v4l2_pix_format *pix = &f->fmt.pix;
+ struct v4l2_rect rect = {
+ .left = icd->x_current,
+ .top = icd->y_current,
+ .width = pix->width,
+ .height = pix->height,
+ };
+ int ret;
+
+ xlate = soc_camera_xlate_by_fourcc(icd, pix->pixelformat);
+ if (!xlate) {
+ dev_warn(&ici->dev, "Format %x not found\n", pix->pixelformat);
+ return -EINVAL;
+ }
+
+ ret = acquire_dma_channel(mx3_cam);
+ if (ret < 0)
+ return ret;
+
+ /*
+ * Might have to perform a complete interface initialisation like in
+ * ipu_csi_init_interface() in mxc_v4l2_s_param(). Also consider
+ * mxc_v4l2_s_fmt()
+ */
+
+ configure_geometry(mx3_cam, &rect);
- ret = icd->ops->set_fmt(icd, pixfmt ? xlate->cam_fmt->fourcc : 0, rect);
- if (pixfmt && !ret) {
+ ret = icd->ops->set_fmt(icd, f);
+ if (!ret) {
icd->buswidth = xlate->buswidth;
icd->current_fmt = xlate->host_fmt;
}
@@ -1031,6 +1067,7 @@ static struct soc_camera_host_ops mx3_soc_camera_host_ops = {
.suspend = mx3_camera_suspend,
.resume = mx3_camera_resume,
#endif
+ .set_crop = mx3_camera_set_crop,
.set_fmt = mx3_camera_set_fmt,
.try_fmt = mx3_camera_try_fmt,
.get_formats = mx3_camera_get_formats,
@@ -781,11 +781,9 @@ ov772x_select_win(u32 width, u32 height)
return win;
}
-static int ov772x_set_fmt(struct soc_camera_device *icd,
- __u32 pixfmt,
- struct v4l2_rect *rect)
+static int ov772x_set_params(struct ov772x_priv *priv, u32 width, u32 height,
+ u32 pixfmt)
{
- struct ov772x_priv *priv = container_of(icd, struct ov772x_priv, icd);
int ret = -EINVAL;
u8 val;
int i;
@@ -806,7 +804,7 @@ static int ov772x_set_fmt(struct soc_camera_device *icd,
/*
* select win
*/
- priv->win = ov772x_select_win(rect->width, rect->height);
+ priv->win = ov772x_select_win(width, height);
/*
* reset hardware
@@ -870,6 +868,28 @@ ov772x_set_fmt_error:
return ret;
}
+static int ov772x_set_crop(struct soc_camera_device *icd,
+ struct v4l2_rect *rect)
+{
+ struct ov772x_priv *priv = container_of(icd, struct ov772x_priv, icd);
+
+ if (!priv->fmt)
+ return -EINVAL;
+
+ return ov772x_set_params(priv, rect->width, rect->height,
+ priv->fmt->fourcc);
+}
+
+static int ov772x_set_fmt(struct soc_camera_device *icd,
+ struct v4l2_format *f)
+{
+ struct ov772x_priv *priv = container_of(icd, struct ov772x_priv, icd);
+ struct v4l2_pix_format *pix = &f->fmt.pix;
+
+ return ov772x_set_params(priv, pix->width, pix->height,
+ pix->pixelformat);
+}
+
static int ov772x_try_fmt(struct soc_camera_device *icd,
struct v4l2_format *f)
{
@@ -959,6 +979,7 @@ static struct soc_camera_ops ov772x_ops = {
.release = ov772x_release,
.start_capture = ov772x_start_capture,
.stop_capture = ov772x_stop_capture,
+ .set_crop = ov772x_set_crop,
.set_fmt = ov772x_set_fmt,
.try_fmt = ov772x_try_fmt,
.set_bus_param = ov772x_set_bus_param,
@@ -1151,8 +1151,43 @@ static int pxa_camera_get_formats(struct soc_camera_device *icd, int idx,
return formats;
}
+static int pxa_camera_set_crop(struct soc_camera_device *icd,
+ struct v4l2_rect *rect)
+{
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+ struct pxa_camera_dev *pcdev = ici->priv;
+ struct soc_camera_sense sense = {
+ .master_clock = pcdev->mclk,
+ .pixel_clock_max = pcdev->ciclk / 4,
+ };
+ int ret;
+
+ /* If PCLK is used to latch data from the sensor, check sense */
+ if (pcdev->platform_flags & PXA_CAMERA_PCLK_EN)
+ icd->sense = &sense;
+
+ ret = icd->ops->set_crop(icd, rect);
+
+ icd->sense = NULL;
+
+ if (ret < 0) {
+ dev_warn(&ici->dev, "Failed to crop to %ux%u@%u:%u\n",
+ rect->width, rect->height, rect->left, rect->top);
+ } else if (sense.flags & SOCAM_SENSE_PCLK_CHANGED) {
+ if (sense.pixel_clock > sense.pixel_clock_max) {
+ dev_err(&ici->dev,
+ "pixel clock %lu set by the camera too high!",
+ sense.pixel_clock);
+ return -EIO;
+ }
+ recalculate_fifo_timeout(pcdev, sense.pixel_clock);
+ }
+
+ return ret;
+}
+
static int pxa_camera_set_fmt(struct soc_camera_device *icd,
- __u32 pixfmt, struct v4l2_rect *rect)
+ struct v4l2_format *f)
{
struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
struct pxa_camera_dev *pcdev = ici->priv;
@@ -1162,35 +1197,30 @@ static int pxa_camera_set_fmt(struct soc_camera_device *icd,
.master_clock = pcdev->mclk,
.pixel_clock_max = pcdev->ciclk / 4,
};
+ struct v4l2_pix_format *pix = &f->fmt.pix;
+ struct v4l2_format cam_f = *f;
int ret;
- if (pixfmt) {
- xlate = soc_camera_xlate_by_fourcc(icd, pixfmt);
- if (!xlate) {
- dev_warn(&ici->dev, "Format %x not found\n", pixfmt);
- return -EINVAL;
- }
-
- cam_fmt = xlate->cam_fmt;
+ xlate = soc_camera_xlate_by_fourcc(icd, pix->pixelformat);
+ if (!xlate) {
+ dev_warn(&ici->dev, "Format %x not found\n", pix->pixelformat);
+ return -EINVAL;
}
+ cam_fmt = xlate->cam_fmt;
+
/* If PCLK is used to latch data from the sensor, check sense */
if (pcdev->platform_flags & PXA_CAMERA_PCLK_EN)
icd->sense = &sense;
- switch (pixfmt) {
- case 0: /* Only geometry change */
- ret = icd->ops->set_fmt(icd, pixfmt, rect);
- break;
- default:
- ret = icd->ops->set_fmt(icd, cam_fmt->fourcc, rect);
- }
+ cam_f.fmt.pix.pixelformat = cam_fmt->fourcc;
+ ret = icd->ops->set_fmt(icd, &cam_f);
icd->sense = NULL;
if (ret < 0) {
dev_warn(&ici->dev, "Failed to configure for format %x\n",
- pixfmt);
+ pix->pixelformat);
} else if (sense.flags & SOCAM_SENSE_PCLK_CHANGED) {
if (sense.pixel_clock > sense.pixel_clock_max) {
dev_err(&ici->dev,
@@ -1201,7 +1231,7 @@ static int pxa_camera_set_fmt(struct soc_camera_device *icd,
recalculate_fifo_timeout(pcdev, sense.pixel_clock);
}
- if (pixfmt && !ret) {
+ if (!ret) {
icd->buswidth = xlate->buswidth;
icd->current_fmt = xlate->host_fmt;
}
@@ -1365,6 +1395,7 @@ static struct soc_camera_host_ops pxa_soc_camera_host_ops = {
.remove = pxa_camera_remove_device,
.suspend = pxa_camera_suspend,
.resume = pxa_camera_resume,
+ .set_crop = pxa_camera_set_crop,
.get_formats = pxa_camera_get_formats,
.set_fmt = pxa_camera_set_fmt,
.try_fmt = pxa_camera_try_fmt,
@@ -637,24 +637,30 @@ add_single_format:
return formats;
}
+static int sh_mobile_ceu_set_crop(struct soc_camera_device *icd,
+ struct v4l2_rect *rect)
+{
+ return icd->ops->set_crop(icd, rect);
+}
+
static int sh_mobile_ceu_set_fmt(struct soc_camera_device *icd,
- __u32 pixfmt, struct v4l2_rect *rect)
+ struct v4l2_format *f)
{
struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
struct sh_mobile_ceu_dev *pcdev = ici->priv;
+ __u32 pixfmt = f->fmt.pix.pixelformat;
const struct soc_camera_format_xlate *xlate;
+ struct v4l2_format cam_f = *f;
int ret;
- if (!pixfmt)
- return icd->ops->set_fmt(icd, pixfmt, rect);
-
xlate = soc_camera_xlate_by_fourcc(icd, pixfmt);
if (!xlate) {
dev_warn(&ici->dev, "Format %x not found\n", pixfmt);
return -EINVAL;
}
- ret = icd->ops->set_fmt(icd, xlate->cam_fmt->fourcc, rect);
+ cam_f.fmt.pix.pixelformat = xlate->cam_fmt->fourcc;
+ ret = icd->ops->set_fmt(icd, &cam_f);
if (!ret) {
icd->buswidth = xlate->buswidth;
@@ -786,6 +792,7 @@ static struct soc_camera_host_ops sh_mobile_ceu_host_ops = {
.add = sh_mobile_ceu_add_device,
.remove = sh_mobile_ceu_remove_device,
.get_formats = sh_mobile_ceu_get_formats,
+ .set_crop = sh_mobile_ceu_set_crop,
.set_fmt = sh_mobile_ceu_set_fmt,
.try_fmt = sh_mobile_ceu_try_fmt,
.reqbufs = sh_mobile_ceu_reqbufs,
@@ -417,9 +417,7 @@ static int soc_camera_s_fmt_vid_cap(struct file *file, void *priv,
struct soc_camera_device *icd = icf->icd;
struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
struct v4l2_pix_format *pix = &f->fmt.pix;
- __u32 pixfmt = pix->pixelformat;
int ret;
- struct v4l2_rect rect;
WARN_ON(priv != file->private_data);
@@ -435,23 +433,19 @@ static int soc_camera_s_fmt_vid_cap(struct file *file, void *priv,
goto unlock;
}
- rect.left = icd->x_current;
- rect.top = icd->y_current;
- rect.width = pix->width;
- rect.height = pix->height;
- ret = ici->ops->set_fmt(icd, pix->pixelformat, &rect);
+ ret = ici->ops->set_fmt(icd, f);
if (ret < 0) {
goto unlock;
} else if (!icd->current_fmt ||
- icd->current_fmt->fourcc != pixfmt) {
+ icd->current_fmt->fourcc != pix->pixelformat) {
dev_err(&ici->dev,
"Host driver hasn't set up current format correctly!\n");
ret = -EINVAL;
goto unlock;
}
- icd->width = rect.width;
- icd->height = rect.height;
+ icd->width = f->fmt.pix.width;
+ icd->height = f->fmt.pix.height;
icf->vb_vidq.field = pix->field;
if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
dev_warn(&icd->dev, "Attention! Wrong buf-type %d\n",
@@ -461,7 +455,7 @@ static int soc_camera_s_fmt_vid_cap(struct file *file, void *priv,
icd->width, icd->height);
/* set physical bus parameters */
- ret = ici->ops->set_bus_param(icd, pixfmt);
+ ret = ici->ops->set_bus_param(icd, pix->pixelformat);
unlock:
mutex_unlock(&icf->vb_vidq.vb_lock);
@@ -685,7 +679,7 @@ static int soc_camera_s_crop(struct file *file, void *fh,
/* Cropping is allowed during a running capture, guard consistency */
mutex_lock(&icf->vb_vidq.vb_lock);
- ret = ici->ops->set_fmt(icd, 0, &a->c);
+ ret = ici->ops->set_crop(icd, &a->c);
if (!ret) {
icd->width = a->c.width;
icd->height = a->c.height;
@@ -918,6 +912,7 @@ int soc_camera_host_register(struct soc_camera_host *ici)
if (!ici || !ici->ops ||
!ici->ops->try_fmt ||
!ici->ops->set_fmt ||
+ !ici->ops->set_crop ||
!ici->ops->set_bus_param ||
!ici->ops->querycap ||
!ici->ops->init_videobuf ||
@@ -998,6 +993,7 @@ int soc_camera_device_register(struct soc_camera_device *icd)
!icd->ops->release ||
!icd->ops->start_capture ||
!icd->ops->stop_capture ||
+ !icd->ops->set_crop ||
!icd->ops->set_fmt ||
!icd->ops->try_fmt ||
!icd->ops->query_bus_param ||
@@ -79,8 +79,14 @@ soc_camera_platform_query_bus_param(struct soc_camera_device *icd)
return p->bus_param;
}
+static int soc_camera_platform_set_crop(struct soc_camera_device *icd,
+ struct v4l2_rect *rect)
+{
+ return 0;
+}
+
static int soc_camera_platform_set_fmt(struct soc_camera_device *icd,
- __u32 pixfmt, struct v4l2_rect *rect)
+ struct v4l2_format *f)
{
return 0;
}
@@ -125,6 +131,7 @@ static struct soc_camera_ops soc_camera_platform_ops = {
.release = soc_camera_platform_release,
.start_capture = soc_camera_platform_start_capture,
.stop_capture = soc_camera_platform_stop_capture,
+ .set_crop = soc_camera_platform_set_crop,
.set_fmt = soc_camera_platform_set_fmt,
.try_fmt = soc_camera_platform_try_fmt,
.set_bus_param = soc_camera_platform_set_bus_param,
@@ -641,8 +641,8 @@ static int tw9910_set_register(struct soc_camera_device *icd,
}
#endif
-static int tw9910_set_fmt(struct soc_camera_device *icd, __u32 pixfmt,
- struct v4l2_rect *rect)
+static int tw9910_set_crop(struct soc_camera_device *icd,
+ struct v4l2_rect *rect)
{
struct tw9910_priv *priv = container_of(icd, struct tw9910_priv, icd);
int ret = -EINVAL;
@@ -733,8 +733,21 @@ tw9910_set_fmt_error:
return ret;
}
+static int tw9910_set_fmt(struct soc_camera_device *icd,
+ struct v4l2_format *f)
+{
+ struct v4l2_rect rect = {
+ .left = icd->x_current,
+ .top = icd->y_current,
+ .width = f->fmt.pix.width,
+ .height = f->fmt.pix.height,
+ };
+
+ return tw9910_set_crop(icd, &rect);
+}
+
static int tw9910_try_fmt(struct soc_camera_device *icd,
- struct v4l2_format *f)
+ struct v4l2_format *f)
{
struct v4l2_pix_format *pix = &f->fmt.pix;
const struct tw9910_scale_ctrl *scale;
@@ -822,6 +835,7 @@ static struct soc_camera_ops tw9910_ops = {
.release = tw9910_release,
.start_capture = tw9910_start_capture,
.stop_capture = tw9910_stop_capture,
+ .set_crop = tw9910_set_crop,
.set_fmt = tw9910_set_fmt,
.try_fmt = tw9910_try_fmt,
.set_bus_param = tw9910_set_bus_param,
@@ -74,7 +74,8 @@ struct soc_camera_host_ops {
int (*resume)(struct soc_camera_device *);
int (*get_formats)(struct soc_camera_device *, int,
struct soc_camera_format_xlate *);
- int (*set_fmt)(struct soc_camera_device *, __u32, struct v4l2_rect *);
+ int (*set_crop)(struct soc_camera_device *, struct v4l2_rect *);
+ int (*set_fmt)(struct soc_camera_device *, struct v4l2_format *);
int (*try_fmt)(struct soc_camera_device *, struct v4l2_format *);
void (*init_videobuf)(struct videobuf_queue *,
struct soc_camera_device *);
@@ -159,7 +160,8 @@ struct soc_camera_ops {
int (*release)(struct soc_camera_device *);
int (*start_capture)(struct soc_camera_device *);
int (*stop_capture)(struct soc_camera_device *);
- int (*set_fmt)(struct soc_camera_device *, __u32, struct v4l2_rect *);
+ int (*set_crop)(struct soc_camera_device *, struct v4l2_rect *);
+ int (*set_fmt)(struct soc_camera_device *, struct v4l2_format *);
int (*try_fmt)(struct soc_camera_device *, struct v4l2_format *);
unsigned long (*query_bus_param)(struct soc_camera_device *);
int (*set_bus_param)(struct soc_camera_device *, unsigned long);
As host and camera drivers become more complex, differences between S_FMT and S_CROP functionality grow, this patch separates them. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> --- drivers/media/video/mt9m001.c | 19 +++- drivers/media/video/mt9m111.c | 56 +++++++--- drivers/media/video/mt9t031.c | 84 ++++++++++------ drivers/media/video/mt9v022.c | 62 +++++++---- drivers/media/video/mx3_camera.c | 157 +++++++++++++++++----------- drivers/media/video/ov772x.c | 31 +++++- drivers/media/video/pxa_camera.c | 67 +++++++++--- drivers/media/video/sh_mobile_ceu_camera.c | 17 ++- drivers/media/video/soc_camera.c | 20 ++-- drivers/media/video/soc_camera_platform.c | 9 ++- drivers/media/video/tw9910.c | 20 +++- include/media/soc_camera.h | 6 +- 12 files changed, 369 insertions(+), 179 deletions(-)