diff options
| -rw-r--r-- | drivers/media/video/mt9m001.c | 19 | ||||
| -rw-r--r-- | drivers/media/video/mt9m111.c | 56 | ||||
| -rw-r--r-- | drivers/media/video/mt9t031.c | 84 | ||||
| -rw-r--r-- | drivers/media/video/mt9v022.c | 62 | ||||
| -rw-r--r-- | drivers/media/video/mx3_camera.c | 157 | ||||
| -rw-r--r-- | drivers/media/video/ov772x.c | 31 | ||||
| -rw-r--r-- | drivers/media/video/pxa_camera.c | 67 | ||||
| -rw-r--r-- | drivers/media/video/sh_mobile_ceu_camera.c | 17 | ||||
| -rw-r--r-- | drivers/media/video/soc_camera.c | 20 | ||||
| -rw-r--r-- | drivers/media/video/soc_camera_platform.c | 9 | ||||
| -rw-r--r-- | drivers/media/video/tw9910.c | 45 | ||||
| -rw-r--r-- | include/media/soc_camera.h | 6 |
12 files changed, 381 insertions, 192 deletions
diff --git a/drivers/media/video/mt9m001.c b/drivers/media/video/mt9m001.c index 2d1034dad495..a6703d25227f 100644 --- a/drivers/media/video/mt9m001.c +++ b/drivers/media/video/mt9m001.c @@ -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, diff --git a/drivers/media/video/mt9m111.c b/drivers/media/video/mt9m111.c index 7e6be36f0855..cdd1ddb51388 100644 --- a/drivers/media/video/mt9m111.c +++ b/drivers/media/video/mt9m111.c @@ -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); diff --git a/drivers/media/video/mt9t031.c b/drivers/media/video/mt9t031.c index acc1fa9db67d..677be18df9b3 100644 --- a/drivers/media/video/mt9t031.c +++ b/drivers/media/video/mt9t031.c @@ -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, diff --git a/drivers/media/video/mt9v022.c b/drivers/media/video/mt9v022.c index 6eb4b3a818d7..3871d4a2d8ff 100644 --- a/drivers/media/video/mt9v022.c +++ b/drivers/media/video/mt9v022.c @@ -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, diff --git a/drivers/media/video/mx3_camera.c b/drivers/media/video/mx3_camera.c index f525dc48f6ca..70629e172e65 100644 --- a/drivers/media/video/mx3_camera.c +++ b/drivers/media/video/mx3_camera.c @@ -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, diff --git a/drivers/media/video/ov772x.c b/drivers/media/video/ov772x.c index 880e51f0e9fd..8dd93b36c787 100644 --- a/drivers/media/video/ov772x.c +++ b/drivers/media/video/ov772x.c @@ -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, diff --git a/drivers/media/video/pxa_camera.c b/drivers/media/video/pxa_camera.c index 2cc203cfbe6c..c522616ef38f 100644 --- a/drivers/media/video/pxa_camera.c +++ b/drivers/media/video/pxa_camera.c @@ -1150,8 +1150,43 @@ 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; @@ -1161,35 +1196,30 @@ 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, @@ -1200,7 +1230,7 @@ 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; } @@ -1364,6 +1394,7 @@ 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, diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c index ed3bfc4cf9f9..3f71cb809652 100644 --- a/drivers/media/video/sh_mobile_ceu_camera.c +++ b/drivers/media/video/sh_mobile_ceu_camera.c @@ -638,24 +638,30 @@ 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; @@ -787,6 +793,7 @@ 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, diff --git a/drivers/media/video/soc_camera.c b/drivers/media/video/soc_camera.c index fcb05f06de8f..9939b045cb4c 100644 --- a/drivers/media/video/soc_camera.c +++ b/drivers/media/video/soc_camera.c @@ -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 || diff --git a/drivers/media/video/soc_camera_platform.c b/drivers/media/video/soc_camera_platform.c index 013ab06e3180..c48676356ab7 100644 --- a/drivers/media/video/soc_camera_platform.c +++ b/drivers/media/video/soc_camera_platform.c @@ -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, diff --git a/drivers/media/video/tw9910.c b/drivers/media/video/tw9910.c index 0558b22fd3fb..a39947643992 100644 --- a/drivers/media/video/tw9910.c +++ b/drivers/media/video/tw9910.c @@ -641,25 +641,12 @@ 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; u8 val; - int i; - - /* - * check color format - */ - for (i = 0 ; i < ARRAY_SIZE(tw9910_color_fmt) ; i++) { - if (pixfmt == tw9910_color_fmt[i].fourcc) { - ret = 0; - break; - } - } - if (ret < 0) - goto tw9910_set_fmt_error; /* * select suitable norm @@ -746,8 +733,33 @@ tw9910_set_fmt_error: return ret; } +static int tw9910_set_fmt(struct soc_camera_device *icd, + struct v4l2_format *f) +{ + 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 i; + + /* + * check color format + */ + for (i = 0; i < ARRAY_SIZE(tw9910_color_fmt); i++) + if (pix->pixelformat == tw9910_color_fmt[i].fourcc) + break; + + if (i == ARRAY_SIZE(tw9910_color_fmt)) + return -EINVAL; + + 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; @@ -835,6 +847,7 @@ 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, diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h index c63a3409ffb7..e9eb60740aaa 100644 --- a/include/media/soc_camera.h +++ b/include/media/soc_camera.h @@ -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); |
