From: Guennadi Liakhovetski <g.liakhovetski@gmx.de> To: Linux Media Mailing List <linux-media@vger.kernel.org> Cc: Hans Verkuil <hverkuil@xs4all.nl>, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, Pawel Osciak <pawel@osciak.com>, Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>, Mauro Carvalho Chehab <mchehab@infradead.org>, Marek Szyprowski <m.szyprowski@samsung.com>, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Vinod Koul <vinod.koul@intel.com>, Dan Williams <dan.j.williams@intel.com>, Sascha Hauer <kernel@pengutronix.de> Subject: [PATCH 2/2] V4L: mx3-camera: prepare to support multi-size buffers Date: Thu, 25 Aug 2011 18:46:03 +0200 (CEST) [thread overview] Message-ID: <Pine.LNX.4.64.1108251843350.17190@axis700.grange> (raw) In-Reply-To: <Pine.LNX.4.64.1108251838090.17190@axis700.grange> Prepare the mx3_camera friver to support the new VIDIOC_CREATE_BUFS and VIDIOC_PREPARE_BUF ioctl()s. The .queue_setup() vb2 operation must be able to handle buffer sizes, provided by the caller, and the .buf_prepare() operation must not use the currently configured frame format for its operation, which makes it superfluous for this driver. Its functionality is moved into .buf_queue(). Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> --- drivers/media/video/mx3_camera.c | 153 +++++++++++++++++++------------------ 1 files changed, 79 insertions(+), 74 deletions(-) diff --git a/drivers/media/video/mx3_camera.c b/drivers/media/video/mx3_camera.c index 6bfbce9..51eee4e 100644 --- a/drivers/media/video/mx3_camera.c +++ b/drivers/media/video/mx3_camera.c @@ -114,6 +114,7 @@ struct mx3_camera_dev { struct list_head capture; spinlock_t lock; /* Protects video buffer lists */ struct mx3_camera_buffer *active; + size_t buf_total; struct vb2_alloc_ctx *alloc_ctx; enum v4l2_field field; int sequence; @@ -198,118 +199,117 @@ static int mx3_videobuf_setup(struct vb2_queue *vq, struct soc_camera_device *icd = soc_camera_from_vb2q(vq); struct soc_camera_host *ici = to_soc_camera_host(icd->parent); struct mx3_camera_dev *mx3_cam = ici->priv; - int bytes_per_line = soc_mbus_bytes_per_line(icd->user_width, - icd->current_fmt->host_fmt); + int bytes_per_line; + unsigned int height; + if (!mx3_cam->idmac_channel[0]) + return -EINVAL; + + if (fmt) { + const struct soc_camera_format_xlate *xlate = soc_camera_xlate_by_fourcc(icd, + fmt->fmt.pix.pixelformat); + bytes_per_line = soc_mbus_bytes_per_line(fmt->fmt.pix.width, + xlate->host_fmt); + height = fmt->fmt.pix.height; + } else { + /* Called from VIDIOC_REQBUFS or in compatibility mode */ + bytes_per_line = soc_mbus_bytes_per_line(icd->user_width, + icd->current_fmt->host_fmt); + height = icd->user_height; + } if (bytes_per_line < 0) return bytes_per_line; - if (!mx3_cam->idmac_channel[0]) - return -EINVAL; + sizes[0] = bytes_per_line * height; *num_planes = 1; - mx3_cam->sequence = 0; - sizes[0] = bytes_per_line * icd->user_height; alloc_ctxs[0] = mx3_cam->alloc_ctx; + if (!vq->num_buffers) + mx3_cam->sequence = 0; + if (!*count) *count = 32; - if (sizes[0] * *count > MAX_VIDEO_MEM * 1024 * 1024) - *count = MAX_VIDEO_MEM * 1024 * 1024 / sizes[0]; + if (sizes[0] * *count + mx3_cam->buf_total > MAX_VIDEO_MEM * 1024 * 1024) + *count = (MAX_VIDEO_MEM * 1024 * 1024 - mx3_cam->buf_total) / + sizes[0]; return 0; } -static int mx3_videobuf_prepare(struct vb2_buffer *vb) +static enum pixel_fmt fourcc_to_ipu_pix(__u32 fourcc) +{ + /* Add more formats as need arises and test possibilities appear... */ + switch (fourcc) { + case V4L2_PIX_FMT_RGB24: + return IPU_PIX_FMT_RGB24; + case V4L2_PIX_FMT_UYVY: + case V4L2_PIX_FMT_RGB565: + default: + return IPU_PIX_FMT_GENERIC; + } +} + +static void mx3_videobuf_queue(struct vb2_buffer *vb) { struct soc_camera_device *icd = soc_camera_from_vb2q(vb->vb2_queue); struct soc_camera_host *ici = to_soc_camera_host(icd->parent); struct mx3_camera_dev *mx3_cam = ici->priv; + struct mx3_camera_buffer *buf = to_mx3_vb(vb); + struct scatterlist *sg = &buf->sg; + struct dma_async_tx_descriptor *txd; struct idmac_channel *ichan = mx3_cam->idmac_channel[0]; - struct scatterlist *sg; - struct mx3_camera_buffer *buf; + struct idmac_video_param *video = &ichan->params.video; + const struct soc_mbus_pixelfmt *host_fmt = icd->current_fmt->host_fmt; + int bytes_per_line = soc_mbus_bytes_per_line(icd->user_width, host_fmt); + unsigned long flags; + dma_cookie_t cookie; size_t new_size; - int bytes_per_line = soc_mbus_bytes_per_line(icd->user_width, - icd->current_fmt->host_fmt); - - if (bytes_per_line < 0) - return bytes_per_line; - buf = to_mx3_vb(vb); - sg = &buf->sg; + BUG_ON(bytes_per_line <= 0); new_size = bytes_per_line * icd->user_height; if (vb2_plane_size(vb, 0) < new_size) { - dev_err(icd->parent, "Buffer too small (%lu < %zu)\n", - vb2_plane_size(vb, 0), new_size); - return -ENOBUFS; + dev_err(icd->parent, "Buffer #%d too small (%lu < %zu)\n", + vb->v4l2_buf.index, vb2_plane_size(vb, 0), new_size); + goto error; } if (buf->state == CSI_BUF_NEEDS_INIT) { sg_dma_address(sg) = vb2_dma_contig_plane_paddr(vb, 0); sg_dma_len(sg) = new_size; - buf->txd = ichan->dma_chan.device->device_prep_slave_sg( + txd = ichan->dma_chan.device->device_prep_slave_sg( &ichan->dma_chan, sg, 1, DMA_FROM_DEVICE, DMA_PREP_INTERRUPT); - if (!buf->txd) - return -EIO; + if (!txd) + goto error; - buf->txd->callback_param = buf->txd; - buf->txd->callback = mx3_cam_dma_done; + txd->callback_param = txd; + txd->callback = mx3_cam_dma_done; - buf->state = CSI_BUF_PREPARED; + buf->state = CSI_BUF_PREPARED; + buf->txd = txd; + } else { + txd = buf->txd; } vb2_set_plane_payload(vb, 0, new_size); - return 0; -} - -static enum pixel_fmt fourcc_to_ipu_pix(__u32 fourcc) -{ - /* Add more formats as need arises and test possibilities appear... */ - switch (fourcc) { - case V4L2_PIX_FMT_RGB24: - return IPU_PIX_FMT_RGB24; - case V4L2_PIX_FMT_UYVY: - case V4L2_PIX_FMT_RGB565: - default: - return IPU_PIX_FMT_GENERIC; - } -} - -static void mx3_videobuf_queue(struct vb2_buffer *vb) -{ - struct soc_camera_device *icd = soc_camera_from_vb2q(vb->vb2_queue); - struct soc_camera_host *ici = to_soc_camera_host(icd->parent); - struct mx3_camera_dev *mx3_cam = ici->priv; - struct mx3_camera_buffer *buf = to_mx3_vb(vb); - struct dma_async_tx_descriptor *txd = buf->txd; - struct idmac_channel *ichan = to_idmac_chan(txd->chan); - struct idmac_video_param *video = &ichan->params.video; - dma_cookie_t cookie; - u32 fourcc = icd->current_fmt->host_fmt->fourcc; - unsigned long flags; - /* This is the configuration of one sg-element */ - video->out_pixel_fmt = fourcc_to_ipu_pix(fourcc); + video->out_pixel_fmt = fourcc_to_ipu_pix(host_fmt->fourcc); if (video->out_pixel_fmt == IPU_PIX_FMT_GENERIC) { /* - * If the IPU DMA channel is configured to transport - * generic 8-bit data, we have to set up correctly the - * geometry parameters upon the current pixel format. - * So, since the DMA horizontal parameters are expressed - * in bytes not pixels, convert these in the right unit. + * If the IPU DMA channel is configured to transfer generic + * 8-bit data, we have to set up the geometry parameters + * correctly, according to the current pixel format. The DMA + * horizontal parameters in this case are expressed in bytes, + * not in pixels. */ - int bytes_per_line = soc_mbus_bytes_per_line(icd->user_width, - icd->current_fmt->host_fmt); - BUG_ON(bytes_per_line <= 0); - video->out_width = bytes_per_line; video->out_height = icd->user_height; video->out_stride = bytes_per_line; @@ -353,6 +353,7 @@ static void mx3_videobuf_queue(struct vb2_buffer *vb) mx3_cam->active = NULL; spin_unlock_irqrestore(&mx3_cam->lock, flags); +error: vb2_buffer_done(vb, VB2_BUF_STATE_ERROR); } @@ -386,17 +387,24 @@ static void mx3_videobuf_release(struct vb2_buffer *vb) } spin_unlock_irqrestore(&mx3_cam->lock, flags); + + mx3_cam->buf_total -= vb2_plane_size(vb, 0); } static int mx3_videobuf_init(struct vb2_buffer *vb) { + struct soc_camera_device *icd = soc_camera_from_vb2q(vb->vb2_queue); + struct soc_camera_host *ici = to_soc_camera_host(icd->parent); + struct mx3_camera_dev *mx3_cam = ici->priv; struct mx3_camera_buffer *buf = to_mx3_vb(vb); + /* This is for locking debugging only */ INIT_LIST_HEAD(&buf->queue); sg_init_table(&buf->sg, 1); buf->state = CSI_BUF_NEEDS_INIT; - buf->txd = NULL; + + mx3_cam->buf_total += vb2_plane_size(vb, 0); return 0; } @@ -407,13 +415,12 @@ static int mx3_stop_streaming(struct vb2_queue *q) struct soc_camera_host *ici = to_soc_camera_host(icd->parent); struct mx3_camera_dev *mx3_cam = ici->priv; struct idmac_channel *ichan = mx3_cam->idmac_channel[0]; - struct dma_chan *chan; struct mx3_camera_buffer *buf, *tmp; unsigned long flags; if (ichan) { - chan = &ichan->dma_chan; - chan->device->device_control(chan, DMA_TERMINATE_ALL, 0); + struct dma_chan *chan = &ichan->dma_chan; + chan->device->device_control(chan, DMA_PAUSE, 0); } spin_lock_irqsave(&mx3_cam->lock, flags); @@ -421,8 +428,8 @@ static int mx3_stop_streaming(struct vb2_queue *q) mx3_cam->active = NULL; list_for_each_entry_safe(buf, tmp, &mx3_cam->capture, queue) { - buf->state = CSI_BUF_NEEDS_INIT; list_del_init(&buf->queue); + vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); } spin_unlock_irqrestore(&mx3_cam->lock, flags); @@ -432,7 +439,6 @@ static int mx3_stop_streaming(struct vb2_queue *q) static struct vb2_ops mx3_videobuf_ops = { .queue_setup = mx3_videobuf_setup, - .buf_prepare = mx3_videobuf_prepare, .buf_queue = mx3_videobuf_queue, .buf_cleanup = mx3_videobuf_release, .buf_init = mx3_videobuf_init, @@ -516,6 +522,7 @@ static int mx3_camera_add_device(struct soc_camera_device *icd) mx3_camera_activate(mx3_cam, icd); + mx3_cam->buf_total = 0; mx3_cam->icd = icd; dev_info(icd->parent, "MX3 Camera driver attached to camera %d\n", @@ -1263,8 +1270,6 @@ static int __devexit mx3_camera_remove(struct platform_device *pdev) dmaengine_put(); - dev_info(&pdev->dev, "i.MX3x Camera driver unloaded\n"); - return 0; } -- 1.7.2.5
WARNING: multiple messages have this Message-ID (diff)
From: g.liakhovetski@gmx.de (Guennadi Liakhovetski) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 2/2] V4L: mx3-camera: prepare to support multi-size buffers Date: Thu, 25 Aug 2011 18:46:03 +0200 (CEST) [thread overview] Message-ID: <Pine.LNX.4.64.1108251843350.17190@axis700.grange> (raw) In-Reply-To: <Pine.LNX.4.64.1108251838090.17190@axis700.grange> Prepare the mx3_camera friver to support the new VIDIOC_CREATE_BUFS and VIDIOC_PREPARE_BUF ioctl()s. The .queue_setup() vb2 operation must be able to handle buffer sizes, provided by the caller, and the .buf_prepare() operation must not use the currently configured frame format for its operation, which makes it superfluous for this driver. Its functionality is moved into .buf_queue(). Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> --- drivers/media/video/mx3_camera.c | 153 +++++++++++++++++++------------------ 1 files changed, 79 insertions(+), 74 deletions(-) diff --git a/drivers/media/video/mx3_camera.c b/drivers/media/video/mx3_camera.c index 6bfbce9..51eee4e 100644 --- a/drivers/media/video/mx3_camera.c +++ b/drivers/media/video/mx3_camera.c @@ -114,6 +114,7 @@ struct mx3_camera_dev { struct list_head capture; spinlock_t lock; /* Protects video buffer lists */ struct mx3_camera_buffer *active; + size_t buf_total; struct vb2_alloc_ctx *alloc_ctx; enum v4l2_field field; int sequence; @@ -198,118 +199,117 @@ static int mx3_videobuf_setup(struct vb2_queue *vq, struct soc_camera_device *icd = soc_camera_from_vb2q(vq); struct soc_camera_host *ici = to_soc_camera_host(icd->parent); struct mx3_camera_dev *mx3_cam = ici->priv; - int bytes_per_line = soc_mbus_bytes_per_line(icd->user_width, - icd->current_fmt->host_fmt); + int bytes_per_line; + unsigned int height; + if (!mx3_cam->idmac_channel[0]) + return -EINVAL; + + if (fmt) { + const struct soc_camera_format_xlate *xlate = soc_camera_xlate_by_fourcc(icd, + fmt->fmt.pix.pixelformat); + bytes_per_line = soc_mbus_bytes_per_line(fmt->fmt.pix.width, + xlate->host_fmt); + height = fmt->fmt.pix.height; + } else { + /* Called from VIDIOC_REQBUFS or in compatibility mode */ + bytes_per_line = soc_mbus_bytes_per_line(icd->user_width, + icd->current_fmt->host_fmt); + height = icd->user_height; + } if (bytes_per_line < 0) return bytes_per_line; - if (!mx3_cam->idmac_channel[0]) - return -EINVAL; + sizes[0] = bytes_per_line * height; *num_planes = 1; - mx3_cam->sequence = 0; - sizes[0] = bytes_per_line * icd->user_height; alloc_ctxs[0] = mx3_cam->alloc_ctx; + if (!vq->num_buffers) + mx3_cam->sequence = 0; + if (!*count) *count = 32; - if (sizes[0] * *count > MAX_VIDEO_MEM * 1024 * 1024) - *count = MAX_VIDEO_MEM * 1024 * 1024 / sizes[0]; + if (sizes[0] * *count + mx3_cam->buf_total > MAX_VIDEO_MEM * 1024 * 1024) + *count = (MAX_VIDEO_MEM * 1024 * 1024 - mx3_cam->buf_total) / + sizes[0]; return 0; } -static int mx3_videobuf_prepare(struct vb2_buffer *vb) +static enum pixel_fmt fourcc_to_ipu_pix(__u32 fourcc) +{ + /* Add more formats as need arises and test possibilities appear... */ + switch (fourcc) { + case V4L2_PIX_FMT_RGB24: + return IPU_PIX_FMT_RGB24; + case V4L2_PIX_FMT_UYVY: + case V4L2_PIX_FMT_RGB565: + default: + return IPU_PIX_FMT_GENERIC; + } +} + +static void mx3_videobuf_queue(struct vb2_buffer *vb) { struct soc_camera_device *icd = soc_camera_from_vb2q(vb->vb2_queue); struct soc_camera_host *ici = to_soc_camera_host(icd->parent); struct mx3_camera_dev *mx3_cam = ici->priv; + struct mx3_camera_buffer *buf = to_mx3_vb(vb); + struct scatterlist *sg = &buf->sg; + struct dma_async_tx_descriptor *txd; struct idmac_channel *ichan = mx3_cam->idmac_channel[0]; - struct scatterlist *sg; - struct mx3_camera_buffer *buf; + struct idmac_video_param *video = &ichan->params.video; + const struct soc_mbus_pixelfmt *host_fmt = icd->current_fmt->host_fmt; + int bytes_per_line = soc_mbus_bytes_per_line(icd->user_width, host_fmt); + unsigned long flags; + dma_cookie_t cookie; size_t new_size; - int bytes_per_line = soc_mbus_bytes_per_line(icd->user_width, - icd->current_fmt->host_fmt); - - if (bytes_per_line < 0) - return bytes_per_line; - buf = to_mx3_vb(vb); - sg = &buf->sg; + BUG_ON(bytes_per_line <= 0); new_size = bytes_per_line * icd->user_height; if (vb2_plane_size(vb, 0) < new_size) { - dev_err(icd->parent, "Buffer too small (%lu < %zu)\n", - vb2_plane_size(vb, 0), new_size); - return -ENOBUFS; + dev_err(icd->parent, "Buffer #%d too small (%lu < %zu)\n", + vb->v4l2_buf.index, vb2_plane_size(vb, 0), new_size); + goto error; } if (buf->state == CSI_BUF_NEEDS_INIT) { sg_dma_address(sg) = vb2_dma_contig_plane_paddr(vb, 0); sg_dma_len(sg) = new_size; - buf->txd = ichan->dma_chan.device->device_prep_slave_sg( + txd = ichan->dma_chan.device->device_prep_slave_sg( &ichan->dma_chan, sg, 1, DMA_FROM_DEVICE, DMA_PREP_INTERRUPT); - if (!buf->txd) - return -EIO; + if (!txd) + goto error; - buf->txd->callback_param = buf->txd; - buf->txd->callback = mx3_cam_dma_done; + txd->callback_param = txd; + txd->callback = mx3_cam_dma_done; - buf->state = CSI_BUF_PREPARED; + buf->state = CSI_BUF_PREPARED; + buf->txd = txd; + } else { + txd = buf->txd; } vb2_set_plane_payload(vb, 0, new_size); - return 0; -} - -static enum pixel_fmt fourcc_to_ipu_pix(__u32 fourcc) -{ - /* Add more formats as need arises and test possibilities appear... */ - switch (fourcc) { - case V4L2_PIX_FMT_RGB24: - return IPU_PIX_FMT_RGB24; - case V4L2_PIX_FMT_UYVY: - case V4L2_PIX_FMT_RGB565: - default: - return IPU_PIX_FMT_GENERIC; - } -} - -static void mx3_videobuf_queue(struct vb2_buffer *vb) -{ - struct soc_camera_device *icd = soc_camera_from_vb2q(vb->vb2_queue); - struct soc_camera_host *ici = to_soc_camera_host(icd->parent); - struct mx3_camera_dev *mx3_cam = ici->priv; - struct mx3_camera_buffer *buf = to_mx3_vb(vb); - struct dma_async_tx_descriptor *txd = buf->txd; - struct idmac_channel *ichan = to_idmac_chan(txd->chan); - struct idmac_video_param *video = &ichan->params.video; - dma_cookie_t cookie; - u32 fourcc = icd->current_fmt->host_fmt->fourcc; - unsigned long flags; - /* This is the configuration of one sg-element */ - video->out_pixel_fmt = fourcc_to_ipu_pix(fourcc); + video->out_pixel_fmt = fourcc_to_ipu_pix(host_fmt->fourcc); if (video->out_pixel_fmt == IPU_PIX_FMT_GENERIC) { /* - * If the IPU DMA channel is configured to transport - * generic 8-bit data, we have to set up correctly the - * geometry parameters upon the current pixel format. - * So, since the DMA horizontal parameters are expressed - * in bytes not pixels, convert these in the right unit. + * If the IPU DMA channel is configured to transfer generic + * 8-bit data, we have to set up the geometry parameters + * correctly, according to the current pixel format. The DMA + * horizontal parameters in this case are expressed in bytes, + * not in pixels. */ - int bytes_per_line = soc_mbus_bytes_per_line(icd->user_width, - icd->current_fmt->host_fmt); - BUG_ON(bytes_per_line <= 0); - video->out_width = bytes_per_line; video->out_height = icd->user_height; video->out_stride = bytes_per_line; @@ -353,6 +353,7 @@ static void mx3_videobuf_queue(struct vb2_buffer *vb) mx3_cam->active = NULL; spin_unlock_irqrestore(&mx3_cam->lock, flags); +error: vb2_buffer_done(vb, VB2_BUF_STATE_ERROR); } @@ -386,17 +387,24 @@ static void mx3_videobuf_release(struct vb2_buffer *vb) } spin_unlock_irqrestore(&mx3_cam->lock, flags); + + mx3_cam->buf_total -= vb2_plane_size(vb, 0); } static int mx3_videobuf_init(struct vb2_buffer *vb) { + struct soc_camera_device *icd = soc_camera_from_vb2q(vb->vb2_queue); + struct soc_camera_host *ici = to_soc_camera_host(icd->parent); + struct mx3_camera_dev *mx3_cam = ici->priv; struct mx3_camera_buffer *buf = to_mx3_vb(vb); + /* This is for locking debugging only */ INIT_LIST_HEAD(&buf->queue); sg_init_table(&buf->sg, 1); buf->state = CSI_BUF_NEEDS_INIT; - buf->txd = NULL; + + mx3_cam->buf_total += vb2_plane_size(vb, 0); return 0; } @@ -407,13 +415,12 @@ static int mx3_stop_streaming(struct vb2_queue *q) struct soc_camera_host *ici = to_soc_camera_host(icd->parent); struct mx3_camera_dev *mx3_cam = ici->priv; struct idmac_channel *ichan = mx3_cam->idmac_channel[0]; - struct dma_chan *chan; struct mx3_camera_buffer *buf, *tmp; unsigned long flags; if (ichan) { - chan = &ichan->dma_chan; - chan->device->device_control(chan, DMA_TERMINATE_ALL, 0); + struct dma_chan *chan = &ichan->dma_chan; + chan->device->device_control(chan, DMA_PAUSE, 0); } spin_lock_irqsave(&mx3_cam->lock, flags); @@ -421,8 +428,8 @@ static int mx3_stop_streaming(struct vb2_queue *q) mx3_cam->active = NULL; list_for_each_entry_safe(buf, tmp, &mx3_cam->capture, queue) { - buf->state = CSI_BUF_NEEDS_INIT; list_del_init(&buf->queue); + vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); } spin_unlock_irqrestore(&mx3_cam->lock, flags); @@ -432,7 +439,6 @@ static int mx3_stop_streaming(struct vb2_queue *q) static struct vb2_ops mx3_videobuf_ops = { .queue_setup = mx3_videobuf_setup, - .buf_prepare = mx3_videobuf_prepare, .buf_queue = mx3_videobuf_queue, .buf_cleanup = mx3_videobuf_release, .buf_init = mx3_videobuf_init, @@ -516,6 +522,7 @@ static int mx3_camera_add_device(struct soc_camera_device *icd) mx3_camera_activate(mx3_cam, icd); + mx3_cam->buf_total = 0; mx3_cam->icd = icd; dev_info(icd->parent, "MX3 Camera driver attached to camera %d\n", @@ -1263,8 +1270,6 @@ static int __devexit mx3_camera_remove(struct platform_device *pdev) dmaengine_put(); - dev_info(&pdev->dev, "i.MX3x Camera driver unloaded\n"); - return 0; } -- 1.7.2.5
next prev parent reply other threads:[~2011-08-25 16:46 UTC|newest] Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top 2011-08-24 18:41 [PATCH 0/7 v5] new ioctl()s and soc-camera implementation Guennadi Liakhovetski 2011-08-24 18:41 ` [PATCH 1/7 v5] V4L: add a new videobuf2 buffer state VB2_BUF_STATE_PREPARED Guennadi Liakhovetski 2011-08-24 18:41 ` [PATCH 2/7 v5] V4L: add two new ioctl()s for multi-size videobuffer management Guennadi Liakhovetski 2011-08-24 18:41 ` [PATCH 3/7 v5] V4L: document the new VIDIOC_CREATE_BUFS and VIDIOC_PREPARE_BUF ioctl()s Guennadi Liakhovetski 2011-08-24 18:41 ` [PATCH 4/7 v5] V4L: vb2: prepare to support multi-size buffers Guennadi Liakhovetski 2011-08-24 18:41 ` [PATCH 5/7 v5] V4L: vb2: add support for buffers of different sizes on a single queue Guennadi Liakhovetski 2011-08-28 19:29 ` Pawel Osciak 2011-08-29 8:30 ` Guennadi Liakhovetski 2011-09-01 14:17 ` Guennadi Liakhovetski 2011-09-28 13:20 ` [PATCH 5/7 v9] " Guennadi Liakhovetski 2011-08-24 18:41 ` [PATCH 6/7 v5] V4L: sh-mobile-ceu-camera: prepare to support multi-size buffers Guennadi Liakhovetski 2011-08-24 18:41 ` [PATCH 7/7 v5] V4L: soc-camera: add 2 new ioctl() handlers Guennadi Liakhovetski 2011-09-28 13:20 ` [PATCH 7/7 v9] " Guennadi Liakhovetski 2011-08-25 16:45 ` [PATCH 0/2] i.MX3: support multi-size buffers in V4L Guennadi Liakhovetski 2011-08-25 16:45 ` Guennadi Liakhovetski 2011-08-25 16:45 ` [PATCH 1/2] dmaengine: ipu-idmac: add support for the DMA_PAUSE control Guennadi Liakhovetski 2011-08-25 16:45 ` Guennadi Liakhovetski 2011-08-29 15:21 ` Vinod Koul 2011-08-29 15:21 ` Vinod Koul 2011-08-29 17:50 ` Guennadi Liakhovetski 2011-08-29 17:50 ` Guennadi Liakhovetski 2011-08-25 16:46 ` Guennadi Liakhovetski [this message] 2011-08-25 16:46 ` [PATCH 2/2] V4L: mx3-camera: prepare to support multi-size buffers Guennadi Liakhovetski 2011-08-25 16:57 ` Laurent Pinchart 2011-08-25 16:57 ` Laurent Pinchart 2011-08-25 23:07 ` Guennadi Liakhovetski 2011-08-25 23:07 ` Guennadi Liakhovetski
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