From df9ecb0cad14b952a2865f8b3af86b2bbadfab45 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Wed, 28 Oct 2015 00:50:37 -0200 Subject: [media] vb2: drop v4l2_format argument from queue_setup The queue_setup callback has a void pointer that is just for V4L2 and is the pointer to the v4l2_format struct that was passed to VIDIOC_CREATE_BUFS. The idea was that drivers would use the information from that struct to buffers suitable for the requested format. After the vb2 split series this pointer is now a void pointer, which is ugly, and the reality is that all existing drivers will effectively just look at the sizeimage field of v4l2_format. To make this more generic the queue_setup callback is changed: the void pointer is dropped, instead if the *num_planes argument is 0, then use the current format size, if it is non-zero, then it contains the number of requested planes and the sizes array contains the requested sizes. If either is unsupported, then return -EINVAL, otherwise use the requested size(s). Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab diff --git a/Documentation/video4linux/v4l2-pci-skeleton.c b/Documentation/video4linux/v4l2-pci-skeleton.c index 1c8b102..79af0c0 100644 --- a/Documentation/video4linux/v4l2-pci-skeleton.c +++ b/Documentation/video4linux/v4l2-pci-skeleton.c @@ -163,11 +163,10 @@ static irqreturn_t skeleton_irq(int irq, void *dev_id) * minimum number: many DMA engines need a minimum of 2 buffers in the * queue and you need to have another available for userspace processing. */ -static int queue_setup(struct vb2_queue *vq, const void *parg, +static int queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct skeleton *skel = vb2_get_drv_priv(vq); skel->field = skel->format.field; @@ -183,12 +182,12 @@ static int queue_setup(struct vb2_queue *vq, const void *parg, if (vq->num_buffers + *nbuffers < 3) *nbuffers = 3 - vq->num_buffers; + alloc_ctxs[0] = skel->alloc_ctx; - if (fmt && fmt->fmt.pix.sizeimage < skel->format.sizeimage) - return -EINVAL; + if (*nplanes) + return sizes[0] < skel->format.sizeimage ? -EINVAL : 0; *nplanes = 1; - sizes[0] = fmt ? fmt->fmt.pix.sizeimage : skel->format.sizeimage; - alloc_ctxs[0] = skel->alloc_ctx; + sizes[0] = skel->format.sizeimage; return 0; } diff --git a/drivers/input/touchscreen/sur40.c b/drivers/input/touchscreen/sur40.c index d214f22..3f3e2b1 100644 --- a/drivers/input/touchscreen/sur40.c +++ b/drivers/input/touchscreen/sur40.c @@ -644,22 +644,21 @@ static void sur40_disconnect(struct usb_interface *interface) * minimum number: many DMA engines need a minimum of 2 buffers in the * queue and you need to have another available for userspace processing. */ -static int sur40_queue_setup(struct vb2_queue *q, const void *parg, +static int sur40_queue_setup(struct vb2_queue *q, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct sur40_state *sur40 = vb2_get_drv_priv(q); if (q->num_buffers + *nbuffers < 3) *nbuffers = 3 - q->num_buffers; + alloc_ctxs[0] = sur40->alloc_ctx; - if (fmt && fmt->fmt.pix.sizeimage < sur40_video_format.sizeimage) - return -EINVAL; + if (*nplanes) + return sizes[0] < sur40_video_format.sizeimage ? -EINVAL : 0; *nplanes = 1; - sizes[0] = fmt ? fmt->fmt.pix.sizeimage : sur40_video_format.sizeimage; - alloc_ctxs[0] = sur40->alloc_ctx; + sizes[0] = sur40_video_format.sizeimage; return 0; } diff --git a/drivers/media/dvb-frontends/rtl2832_sdr.c b/drivers/media/dvb-frontends/rtl2832_sdr.c index dcd8d94..238191d 100644 --- a/drivers/media/dvb-frontends/rtl2832_sdr.c +++ b/drivers/media/dvb-frontends/rtl2832_sdr.c @@ -490,7 +490,7 @@ static int rtl2832_sdr_querycap(struct file *file, void *fh, /* Videobuf2 operations */ static int rtl2832_sdr_queue_setup(struct vb2_queue *vq, - const void *parg, unsigned int *nbuffers, + unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { struct rtl2832_sdr_dev *dev = vb2_get_drv_priv(vq); diff --git a/drivers/media/pci/cobalt/cobalt-v4l2.c b/drivers/media/pci/cobalt/cobalt-v4l2.c index 8cc78c5..c0ba458 100644 --- a/drivers/media/pci/cobalt/cobalt-v4l2.c +++ b/drivers/media/pci/cobalt/cobalt-v4l2.c @@ -43,11 +43,10 @@ static const struct v4l2_dv_timings cea1080p60 = V4L2_DV_BT_CEA_1920X1080P60; /* vb2 DMA streaming ops */ -static int cobalt_queue_setup(struct vb2_queue *q, const void *parg, +static int cobalt_queue_setup(struct vb2_queue *q, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct cobalt_stream *s = q->drv_priv; unsigned size = s->stride * s->height; @@ -55,14 +54,11 @@ static int cobalt_queue_setup(struct vb2_queue *q, const void *parg, *num_buffers = 3; if (*num_buffers > NR_BUFS) *num_buffers = NR_BUFS; + alloc_ctxs[0] = s->cobalt->alloc_ctx; + if (*num_planes) + return sizes[0] < size ? -EINVAL : 0; *num_planes = 1; - if (fmt) { - if (fmt->fmt.pix.sizeimage < size) - return -EINVAL; - size = fmt->fmt.pix.sizeimage; - } sizes[0] = size; - alloc_ctxs[0] = s->cobalt->alloc_ctx; return 0; } diff --git a/drivers/media/pci/cx23885/cx23885-417.c b/drivers/media/pci/cx23885/cx23885-417.c index 2fe3708..bd33387 100644 --- a/drivers/media/pci/cx23885/cx23885-417.c +++ b/drivers/media/pci/cx23885/cx23885-417.c @@ -1138,7 +1138,7 @@ static int cx23885_initialize_codec(struct cx23885_dev *dev, int startencoder) /* ------------------------------------------------------------------ */ -static int queue_setup(struct vb2_queue *q, const void *parg, +static int queue_setup(struct vb2_queue *q, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/pci/cx23885/cx23885-dvb.c b/drivers/media/pci/cx23885/cx23885-dvb.c index c4307ad..5378d93 100644 --- a/drivers/media/pci/cx23885/cx23885-dvb.c +++ b/drivers/media/pci/cx23885/cx23885-dvb.c @@ -92,7 +92,7 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); /* ------------------------------------------------------------------ */ -static int queue_setup(struct vb2_queue *q, const void *parg, +static int queue_setup(struct vb2_queue *q, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/pci/cx23885/cx23885-vbi.c b/drivers/media/pci/cx23885/cx23885-vbi.c index ab36d12..39750eb 100644 --- a/drivers/media/pci/cx23885/cx23885-vbi.c +++ b/drivers/media/pci/cx23885/cx23885-vbi.c @@ -120,7 +120,7 @@ static int cx23885_start_vbi_dma(struct cx23885_dev *dev, /* ------------------------------------------------------------------ */ -static int queue_setup(struct vb2_queue *q, const void *parg, +static int queue_setup(struct vb2_queue *q, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/pci/cx23885/cx23885-video.c b/drivers/media/pci/cx23885/cx23885-video.c index 064e5fb..93a3720 100644 --- a/drivers/media/pci/cx23885/cx23885-video.c +++ b/drivers/media/pci/cx23885/cx23885-video.c @@ -333,7 +333,7 @@ static int cx23885_start_video_dma(struct cx23885_dev *dev, return 0; } -static int queue_setup(struct vb2_queue *q, const void *parg, +static int queue_setup(struct vb2_queue *q, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/pci/cx25821/cx25821-video.c b/drivers/media/pci/cx25821/cx25821-video.c index 26e3e29..644373d 100644 --- a/drivers/media/pci/cx25821/cx25821-video.c +++ b/drivers/media/pci/cx25821/cx25821-video.c @@ -141,20 +141,20 @@ int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status) return handled; } -static int cx25821_queue_setup(struct vb2_queue *q, const void *parg, +static int cx25821_queue_setup(struct vb2_queue *q, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct cx25821_channel *chan = q->drv_priv; unsigned size = (chan->fmt->depth * chan->width * chan->height) >> 3; - if (fmt && fmt->fmt.pix.sizeimage < size) - return -EINVAL; + alloc_ctxs[0] = chan->dev->alloc_ctx; + + if (*num_planes) + return sizes[0] < size ? -EINVAL : 0; *num_planes = 1; - sizes[0] = fmt ? fmt->fmt.pix.sizeimage : size; - alloc_ctxs[0] = chan->dev->alloc_ctx; + sizes[0] = size; return 0; } diff --git a/drivers/media/pci/cx88/cx88-blackbird.c b/drivers/media/pci/cx88/cx88-blackbird.c index 27ffb24..3233d45 100644 --- a/drivers/media/pci/cx88/cx88-blackbird.c +++ b/drivers/media/pci/cx88/cx88-blackbird.c @@ -637,7 +637,7 @@ static int blackbird_stop_codec(struct cx8802_dev *dev) /* ------------------------------------------------------------------ */ -static int queue_setup(struct vb2_queue *q, const void *parg, +static int queue_setup(struct vb2_queue *q, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/pci/cx88/cx88-dvb.c b/drivers/media/pci/cx88/cx88-dvb.c index f048350..afb2075 100644 --- a/drivers/media/pci/cx88/cx88-dvb.c +++ b/drivers/media/pci/cx88/cx88-dvb.c @@ -82,7 +82,7 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); /* ------------------------------------------------------------------ */ -static int queue_setup(struct vb2_queue *q, const void *parg, +static int queue_setup(struct vb2_queue *q, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/pci/cx88/cx88-vbi.c b/drivers/media/pci/cx88/cx88-vbi.c index 007a5ee..ccc646d 100644 --- a/drivers/media/pci/cx88/cx88-vbi.c +++ b/drivers/media/pci/cx88/cx88-vbi.c @@ -107,7 +107,7 @@ int cx8800_restart_vbi_queue(struct cx8800_dev *dev, /* ------------------------------------------------------------------ */ -static int queue_setup(struct vb2_queue *q, const void *parg, +static int queue_setup(struct vb2_queue *q, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/pci/cx88/cx88-video.c b/drivers/media/pci/cx88/cx88-video.c index 5996d06..5f331df 100644 --- a/drivers/media/pci/cx88/cx88-video.c +++ b/drivers/media/pci/cx88/cx88-video.c @@ -429,7 +429,7 @@ static int restart_video_queue(struct cx8800_dev *dev, /* ------------------------------------------------------------------ */ -static int queue_setup(struct vb2_queue *q, const void *parg, +static int queue_setup(struct vb2_queue *q, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/pci/dt3155/dt3155.c b/drivers/media/pci/dt3155/dt3155.c index d84abde..f09bd73 100644 --- a/drivers/media/pci/dt3155/dt3155.c +++ b/drivers/media/pci/dt3155/dt3155.c @@ -131,22 +131,21 @@ static int wait_i2c_reg(void __iomem *addr) } static int -dt3155_queue_setup(struct vb2_queue *vq, const void *parg, +dt3155_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *num_planes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct dt3155_priv *pd = vb2_get_drv_priv(vq); unsigned size = pd->width * pd->height; if (vq->num_buffers + *nbuffers < 2) *nbuffers = 2 - vq->num_buffers; - if (fmt && fmt->fmt.pix.sizeimage < size) - return -EINVAL; - *num_planes = 1; - sizes[0] = fmt ? fmt->fmt.pix.sizeimage : size; alloc_ctxs[0] = pd->alloc_ctx; + if (*num_planes) + return sizes[0] < size ? -EINVAL : 0; + *num_planes = 1; + sizes[0] = size; return 0; } diff --git a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c index 3fdbd81..58a8e9d 100644 --- a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c +++ b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c @@ -277,7 +277,6 @@ static irqreturn_t netup_unidvb_isr(int irq, void *dev_id) } static int netup_unidvb_queue_setup(struct vb2_queue *vq, - const void *parg, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], diff --git a/drivers/media/pci/saa7134/saa7134-ts.c b/drivers/media/pci/saa7134/saa7134-ts.c index 7fb5ee7..0584a2a 100644 --- a/drivers/media/pci/saa7134/saa7134-ts.c +++ b/drivers/media/pci/saa7134/saa7134-ts.c @@ -116,7 +116,7 @@ int saa7134_ts_buffer_prepare(struct vb2_buffer *vb2) } EXPORT_SYMBOL_GPL(saa7134_ts_buffer_prepare); -int saa7134_ts_queue_setup(struct vb2_queue *q, const void *parg, +int saa7134_ts_queue_setup(struct vb2_queue *q, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/pci/saa7134/saa7134-vbi.c b/drivers/media/pci/saa7134/saa7134-vbi.c index 6271b0e..e76da37 100644 --- a/drivers/media/pci/saa7134/saa7134-vbi.c +++ b/drivers/media/pci/saa7134/saa7134-vbi.c @@ -138,7 +138,7 @@ static int buffer_prepare(struct vb2_buffer *vb2) saa7134_buffer_startpage(buf)); } -static int queue_setup(struct vb2_queue *q, const void *parg, +static int queue_setup(struct vb2_queue *q, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c index 4d3a7fb..a63c136 100644 --- a/drivers/media/pci/saa7134/saa7134-video.c +++ b/drivers/media/pci/saa7134/saa7134-video.c @@ -904,7 +904,7 @@ static int buffer_prepare(struct vb2_buffer *vb2) saa7134_buffer_startpage(buf)); } -static int queue_setup(struct vb2_queue *q, const void *parg, +static int queue_setup(struct vb2_queue *q, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/pci/saa7134/saa7134.h b/drivers/media/pci/saa7134/saa7134.h index 7cc7582..5938bc7 100644 --- a/drivers/media/pci/saa7134/saa7134.h +++ b/drivers/media/pci/saa7134/saa7134.h @@ -820,7 +820,7 @@ void saa7134_video_fini(struct saa7134_dev *dev); int saa7134_ts_buffer_init(struct vb2_buffer *vb2); int saa7134_ts_buffer_prepare(struct vb2_buffer *vb2); -int saa7134_ts_queue_setup(struct vb2_queue *q, const void *parg, +int saa7134_ts_queue_setup(struct vb2_queue *q, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]); int saa7134_ts_start_streaming(struct vb2_queue *vq, unsigned int count); diff --git a/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c b/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c index 4432fd6..1f81f8d 100644 --- a/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c +++ b/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c @@ -663,7 +663,6 @@ static int solo_ring_thread(void *data) } static int solo_enc_queue_setup(struct vb2_queue *q, - const void *parg, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], void *alloc_ctxs[]) diff --git a/drivers/media/pci/solo6x10/solo6x10-v4l2.c b/drivers/media/pci/solo6x10/solo6x10-v4l2.c index f7ce493..212d15e 100644 --- a/drivers/media/pci/solo6x10/solo6x10-v4l2.c +++ b/drivers/media/pci/solo6x10/solo6x10-v4l2.c @@ -313,7 +313,7 @@ static void solo_stop_thread(struct solo_dev *solo_dev) solo_dev->kthread = NULL; } -static int solo_queue_setup(struct vb2_queue *q, const void *parg, +static int solo_queue_setup(struct vb2_queue *q, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/pci/sta2x11/sta2x11_vip.c b/drivers/media/pci/sta2x11/sta2x11_vip.c index 6367b45..b8b06fb 100644 --- a/drivers/media/pci/sta2x11/sta2x11_vip.c +++ b/drivers/media/pci/sta2x11/sta2x11_vip.c @@ -265,7 +265,7 @@ static void vip_active_buf_next(struct sta2x11_vip *vip) /* Videobuf2 Operations */ -static int queue_setup(struct vb2_queue *vq, const void *parg, +static int queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/pci/tw68/tw68-video.c b/drivers/media/pci/tw68/tw68-video.c index 46642ef..2e71af1 100644 --- a/drivers/media/pci/tw68/tw68-video.c +++ b/drivers/media/pci/tw68/tw68-video.c @@ -376,28 +376,28 @@ static int tw68_buffer_count(unsigned int size, unsigned int count) /* ------------------------------------------------------------- */ /* vb2 queue operations */ -static int tw68_queue_setup(struct vb2_queue *q, const void *parg, +static int tw68_queue_setup(struct vb2_queue *q, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct tw68_dev *dev = vb2_get_drv_priv(q); unsigned tot_bufs = q->num_buffers + *num_buffers; + unsigned size = (dev->fmt->depth * dev->width * dev->height) >> 3; - sizes[0] = (dev->fmt->depth * dev->width * dev->height) >> 3; + if (tot_bufs < 2) + tot_bufs = 2; + tot_bufs = tw68_buffer_count(size, tot_bufs); + *num_buffers = tot_bufs - q->num_buffers; alloc_ctxs[0] = dev->alloc_ctx; /* - * We allow create_bufs, but only if the sizeimage is the same as the + * We allow create_bufs, but only if the sizeimage is >= as the * current sizeimage. The tw68_buffer_count calculation becomes quite * difficult otherwise. */ - if (fmt && fmt->fmt.pix.sizeimage < sizes[0]) - return -EINVAL; + if (*num_planes) + return sizes[0] < size ? -EINVAL : 0; *num_planes = 1; - if (tot_bufs < 2) - tot_bufs = 2; - tot_bufs = tw68_buffer_count(sizes[0], tot_bufs); - *num_buffers = tot_bufs - q->num_buffers; + sizes[0] = size; return 0; } diff --git a/drivers/media/platform/am437x/am437x-vpfe.c b/drivers/media/platform/am437x/am437x-vpfe.c index f0480d6..e434c8e 100644 --- a/drivers/media/platform/am437x/am437x-vpfe.c +++ b/drivers/media/platform/am437x/am437x-vpfe.c @@ -1898,7 +1898,6 @@ static void vpfe_calculate_offsets(struct vpfe_device *vpfe) /* * vpfe_queue_setup - Callback function for buffer setup. * @vq: vb2_queue ptr - * @fmt: v4l2 format * @nbuffers: ptr to number of buffers requested by application * @nplanes:: contains number of distinct video planes needed to hold a frame * @sizes[]: contains the size (in bytes) of each plane. @@ -1908,22 +1907,24 @@ static void vpfe_calculate_offsets(struct vpfe_device *vpfe) * the buffer count and buffer size */ static int vpfe_queue_setup(struct vb2_queue *vq, - const void *parg, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct vpfe_device *vpfe = vb2_get_drv_priv(vq); - - if (fmt && fmt->fmt.pix.sizeimage < vpfe->fmt.fmt.pix.sizeimage) - return -EINVAL; + unsigned size = vpfe->fmt.fmt.pix.sizeimage; if (vq->num_buffers + *nbuffers < 3) *nbuffers = 3 - vq->num_buffers; + alloc_ctxs[0] = vpfe->alloc_ctx; + + if (*nplanes) { + if (sizes[0] < size) + return -EINVAL; + size = sizes[0]; + } *nplanes = 1; - sizes[0] = fmt ? fmt->fmt.pix.sizeimage : vpfe->fmt.fmt.pix.sizeimage; - alloc_ctxs[0] = vpfe->alloc_ctx; + sizes[0] = size; vpfe_dbg(1, vpfe, "nbuffers=%d, size=%u\n", *nbuffers, sizes[0]); diff --git a/drivers/media/platform/blackfin/bfin_capture.c b/drivers/media/platform/blackfin/bfin_capture.c index 7764b9c..8ecc05a 100644 --- a/drivers/media/platform/blackfin/bfin_capture.c +++ b/drivers/media/platform/blackfin/bfin_capture.c @@ -202,22 +202,20 @@ static void bcap_free_sensor_formats(struct bcap_device *bcap_dev) } static int bcap_queue_setup(struct vb2_queue *vq, - const void *parg, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct bcap_device *bcap_dev = vb2_get_drv_priv(vq); - if (fmt && fmt->fmt.pix.sizeimage < bcap_dev->fmt.sizeimage) - return -EINVAL; - if (vq->num_buffers + *nbuffers < 2) *nbuffers = 2; + alloc_ctxs[0] = bcap_dev->alloc_ctx; + + if (*nplanes) + return sizes[0] < bcap_dev->fmt.sizeimage ? -EINVAL : 0; *nplanes = 1; - sizes[0] = fmt ? fmt->fmt.pix.sizeimage : bcap_dev->fmt.sizeimage; - alloc_ctxs[0] = bcap_dev->alloc_ctx; + sizes[0] = bcap_dev->fmt.sizeimage; return 0; } diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c index f821627..cf5be54 100644 --- a/drivers/media/platform/coda/coda-common.c +++ b/drivers/media/platform/coda/coda-common.c @@ -1131,7 +1131,7 @@ static void set_default_params(struct coda_ctx *ctx) /* * Queue operations */ -static int coda_queue_setup(struct vb2_queue *vq, const void *parg, +static int coda_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/platform/davinci/vpbe_display.c b/drivers/media/platform/davinci/vpbe_display.c index 6d91422..3fc2176 100644 --- a/drivers/media/platform/davinci/vpbe_display.c +++ b/drivers/media/platform/davinci/vpbe_display.c @@ -228,28 +228,27 @@ static int vpbe_buffer_prepare(struct vb2_buffer *vb) * This function allocates memory for the buffers */ static int -vpbe_buffer_queue_setup(struct vb2_queue *vq, const void *parg, +vpbe_buffer_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; /* Get the file handle object and layer object */ struct vpbe_layer *layer = vb2_get_drv_priv(vq); struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev; v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "vpbe_buffer_setup\n"); - if (fmt && fmt->fmt.pix.sizeimage < layer->pix_fmt.sizeimage) - return -EINVAL; - /* Store number of buffers allocated in numbuffer member */ if (vq->num_buffers + *nbuffers < VPBE_DEFAULT_NUM_BUFS) *nbuffers = VPBE_DEFAULT_NUM_BUFS - vq->num_buffers; + alloc_ctxs[0] = layer->alloc_ctx; + + if (*nplanes) + return sizes[0] < layer->pix_fmt.sizeimage ? -EINVAL : 0; *nplanes = 1; - sizes[0] = fmt ? fmt->fmt.pix.sizeimage : layer->pix_fmt.sizeimage; - alloc_ctxs[0] = layer->alloc_ctx; + sizes[0] = layer->pix_fmt.sizeimage; return 0; } diff --git a/drivers/media/platform/davinci/vpif_capture.c b/drivers/media/platform/davinci/vpif_capture.c index c1e573b..fad5b38 100644 --- a/drivers/media/platform/davinci/vpif_capture.c +++ b/drivers/media/platform/davinci/vpif_capture.c @@ -104,7 +104,6 @@ static int vpif_buffer_prepare(struct vb2_buffer *vb) /** * vpif_buffer_queue_setup : Callback function for buffer setup. * @vq: vb2_queue ptr - * @fmt: v4l2 format * @nbuffers: ptr to number of buffers requested by application * @nplanes:: contains number of distinct video planes needed to hold a frame * @sizes[]: contains the size (in bytes) of each plane. @@ -114,26 +113,26 @@ static int vpif_buffer_prepare(struct vb2_buffer *vb) * the buffer count and buffer size */ static int vpif_buffer_queue_setup(struct vb2_queue *vq, - const void *parg, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct channel_obj *ch = vb2_get_drv_priv(vq); - struct common_obj *common; - - common = &ch->common[VPIF_VIDEO_INDEX]; + struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; + unsigned size = common->fmt.fmt.pix.sizeimage; vpif_dbg(2, debug, "vpif_buffer_setup\n"); - if (fmt && fmt->fmt.pix.sizeimage < common->fmt.fmt.pix.sizeimage) - return -EINVAL; + if (*nplanes) { + if (sizes[0] < size) + return -EINVAL; + size = sizes[0]; + } if (vq->num_buffers + *nbuffers < 3) *nbuffers = 3 - vq->num_buffers; *nplanes = 1; - sizes[0] = fmt ? fmt->fmt.pix.sizeimage : common->fmt.fmt.pix.sizeimage; + sizes[0] = size; alloc_ctxs[0] = common->alloc_ctx; /* Calculate the offset for Y and C data in the buffer */ diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c index fd27803..534b50a 100644 --- a/drivers/media/platform/davinci/vpif_display.c +++ b/drivers/media/platform/davinci/vpif_display.c @@ -99,7 +99,6 @@ static int vpif_buffer_prepare(struct vb2_buffer *vb) /** * vpif_buffer_queue_setup : Callback function for buffer setup. * @vq: vb2_queue ptr - * @fmt: v4l2 format * @nbuffers: ptr to number of buffers requested by application * @nplanes:: contains number of distinct video planes needed to hold a frame * @sizes[]: contains the size (in bytes) of each plane. @@ -109,22 +108,24 @@ static int vpif_buffer_prepare(struct vb2_buffer *vb) * the buffer count and buffer size */ static int vpif_buffer_queue_setup(struct vb2_queue *vq, - const void *parg, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct channel_obj *ch = vb2_get_drv_priv(vq); struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; + unsigned size = common->fmt.fmt.pix.sizeimage; - if (fmt && fmt->fmt.pix.sizeimage < common->fmt.fmt.pix.sizeimage) - return -EINVAL; + if (*nplanes) { + if (sizes[0] < size) + return -EINVAL; + size = sizes[0]; + } if (vq->num_buffers + *nbuffers < 3) *nbuffers = 3 - vq->num_buffers; *nplanes = 1; - sizes[0] = fmt ? fmt->fmt.pix.sizeimage : common->fmt.fmt.pix.sizeimage; + sizes[0] = size; alloc_ctxs[0] = common->alloc_ctx; /* Calculate the offset for Y and C data in the buffer */ diff --git a/drivers/media/platform/exynos-gsc/gsc-m2m.c b/drivers/media/platform/exynos-gsc/gsc-m2m.c index d82e717..ea9230e 100644 --- a/drivers/media/platform/exynos-gsc/gsc-m2m.c +++ b/drivers/media/platform/exynos-gsc/gsc-m2m.c @@ -212,7 +212,6 @@ put_device: } static int gsc_m2m_queue_setup(struct vb2_queue *vq, - const void *parg, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], void *allocators[]) { diff --git a/drivers/media/platform/exynos4-is/fimc-capture.c b/drivers/media/platform/exynos4-is/fimc-capture.c index 99e5732..beadccb 100644 --- a/drivers/media/platform/exynos4-is/fimc-capture.c +++ b/drivers/media/platform/exynos4-is/fimc-capture.c @@ -338,37 +338,36 @@ int fimc_capture_resume(struct fimc_dev *fimc) } -static int queue_setup(struct vb2_queue *vq, const void *parg, +static int queue_setup(struct vb2_queue *vq, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], void *allocators[]) { - const struct v4l2_format *pfmt = parg; - const struct v4l2_pix_format_mplane *pixm = NULL; struct fimc_ctx *ctx = vq->drv_priv; struct fimc_frame *frame = &ctx->d_frame; struct fimc_fmt *fmt = frame->fmt; - unsigned long wh; + unsigned long wh = frame->f_width * frame->f_height; int i; - if (pfmt) { - pixm = &pfmt->fmt.pix_mp; - fmt = fimc_find_format(&pixm->pixelformat, NULL, - FMT_FLAGS_CAM | FMT_FLAGS_M2M, -1); - wh = pixm->width * pixm->height; - } else { - wh = frame->f_width * frame->f_height; - } - if (fmt == NULL) return -EINVAL; + if (*num_planes) { + if (*num_planes != fmt->memplanes) + return -EINVAL; + for (i = 0; i < *num_planes; i++) { + if (sizes[i] < (wh * fmt->depth[i]) / 8) + return -EINVAL; + allocators[i] = ctx->fimc_dev->alloc_ctx; + } + return 0; + } + *num_planes = fmt->memplanes; for (i = 0; i < fmt->memplanes; i++) { unsigned int size = (wh * fmt->depth[i]) / 8; - if (pixm) - sizes[i] = max(size, pixm->plane_fmt[i].sizeimage); - else if (fimc_fmt_is_user_defined(fmt->color)) + + if (fimc_fmt_is_user_defined(fmt->color)) sizes[i] = frame->payload[i]; else sizes[i] = max_t(u32, size, frame->payload[i]); diff --git a/drivers/media/platform/exynos4-is/fimc-isp-video.c b/drivers/media/platform/exynos4-is/fimc-isp-video.c index f88a369..273e7a5 100644 --- a/drivers/media/platform/exynos4-is/fimc-isp-video.c +++ b/drivers/media/platform/exynos4-is/fimc-isp-video.c @@ -39,39 +39,36 @@ #include "fimc-is-param.h" static int isp_video_capture_queue_setup(struct vb2_queue *vq, - const void *parg, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], void *allocators[]) { - const struct v4l2_format *pfmt = parg; struct fimc_isp *isp = vb2_get_drv_priv(vq); struct v4l2_pix_format_mplane *vid_fmt = &isp->video_capture.pixfmt; - const struct v4l2_pix_format_mplane *pixm = NULL; - const struct fimc_fmt *fmt; + const struct fimc_fmt *fmt = isp->video_capture.format; unsigned int wh, i; - if (pfmt) { - pixm = &pfmt->fmt.pix_mp; - fmt = fimc_isp_find_format(&pixm->pixelformat, NULL, -1); - wh = pixm->width * pixm->height; - } else { - fmt = isp->video_capture.format; - wh = vid_fmt->width * vid_fmt->height; - } + wh = vid_fmt->width * vid_fmt->height; if (fmt == NULL) return -EINVAL; *num_buffers = clamp_t(u32, *num_buffers, FIMC_ISP_REQ_BUFS_MIN, FIMC_ISP_REQ_BUFS_MAX); + if (*num_planes) { + if (*num_planes != fmt->memplanes) + return -EINVAL; + for (i = 0; i < *num_planes; i++) { + if (sizes[i] < (wh * fmt->depth[i]) / 8) + return -EINVAL; + allocators[i] = isp->alloc_ctx; + } + return 0; + } + *num_planes = fmt->memplanes; for (i = 0; i < fmt->memplanes; i++) { - unsigned int size = (wh * fmt->depth[i]) / 8; - if (pixm) - sizes[i] = max(size, pixm->plane_fmt[i].sizeimage); - else - sizes[i] = size; + sizes[i] = (wh * fmt->depth[i]) / 8; allocators[i] = isp->alloc_ctx; } diff --git a/drivers/media/platform/exynos4-is/fimc-lite.c b/drivers/media/platform/exynos4-is/fimc-lite.c index 6f76afd..15d6fc9 100644 --- a/drivers/media/platform/exynos4-is/fimc-lite.c +++ b/drivers/media/platform/exynos4-is/fimc-lite.c @@ -355,37 +355,34 @@ static void stop_streaming(struct vb2_queue *q) fimc_lite_stop_capture(fimc, false); } -static int queue_setup(struct vb2_queue *vq, const void *parg, +static int queue_setup(struct vb2_queue *vq, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], void *allocators[]) { - const struct v4l2_format *pfmt = parg; - const struct v4l2_pix_format_mplane *pixm = NULL; struct fimc_lite *fimc = vq->drv_priv; struct flite_frame *frame = &fimc->out_frame; const struct fimc_fmt *fmt = frame->fmt; - unsigned long wh; + unsigned long wh = frame->f_width * frame->f_height; int i; - if (pfmt) { - pixm = &pfmt->fmt.pix_mp; - fmt = fimc_lite_find_format(&pixm->pixelformat, NULL, 0, -1); - wh = pixm->width * pixm->height; - } else { - wh = frame->f_width * frame->f_height; - } - if (fmt == NULL) return -EINVAL; + if (*num_planes) { + if (*num_planes != fmt->memplanes) + return -EINVAL; + for (i = 0; i < *num_planes; i++) { + if (sizes[i] < (wh * fmt->depth[i]) / 8) + return -EINVAL; + allocators[i] = fimc->alloc_ctx; + } + return 0; + } + *num_planes = fmt->memplanes; for (i = 0; i < fmt->memplanes; i++) { - unsigned int size = (wh * fmt->depth[i]) / 8; - if (pixm) - sizes[i] = max(size, pixm->plane_fmt[i].sizeimage); - else - sizes[i] = size; + sizes[i] = (wh * fmt->depth[i]) / 8; allocators[i] = fimc->alloc_ctx; } diff --git a/drivers/media/platform/exynos4-is/fimc-m2m.c b/drivers/media/platform/exynos4-is/fimc-m2m.c index 4d1d64a4..4c04b59 100644 --- a/drivers/media/platform/exynos4-is/fimc-m2m.c +++ b/drivers/media/platform/exynos4-is/fimc-m2m.c @@ -176,7 +176,7 @@ static void fimc_job_abort(void *priv) fimc_m2m_shutdown(priv); } -static int fimc_queue_setup(struct vb2_queue *vq, const void *parg, +static int fimc_queue_setup(struct vb2_queue *vq, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], void *allocators[]) { diff --git a/drivers/media/platform/m2m-deinterlace.c b/drivers/media/platform/m2m-deinterlace.c index 29973f9..652eebd 100644 --- a/drivers/media/platform/m2m-deinterlace.c +++ b/drivers/media/platform/m2m-deinterlace.c @@ -798,7 +798,6 @@ struct vb2_dc_conf { }; static int deinterlace_queue_setup(struct vb2_queue *vq, - const void *parg, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/platform/marvell-ccic/mcam-core.c b/drivers/media/platform/marvell-ccic/mcam-core.c index 4f2ec88..7080a88 100644 --- a/drivers/media/platform/marvell-ccic/mcam-core.c +++ b/drivers/media/platform/marvell-ccic/mcam-core.c @@ -1049,24 +1049,25 @@ static int mcam_read_setup(struct mcam_camera *cam) */ static int mcam_vb_queue_setup(struct vb2_queue *vq, - const void *parg, unsigned int *nbufs, + unsigned int *nbufs, unsigned int *num_planes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct mcam_camera *cam = vb2_get_drv_priv(vq); int minbufs = (cam->buffer_mode == B_DMA_contig) ? 3 : 2; + unsigned size = cam->pix_format.sizeimage; - if (fmt && fmt->fmt.pix.sizeimage < cam->pix_format.sizeimage) - return -EINVAL; - sizes[0] = fmt ? fmt->fmt.pix.sizeimage : cam->pix_format.sizeimage; - *num_planes = 1; /* Someday we have to support planar formats... */ if (*nbufs < minbufs) *nbufs = minbufs; if (cam->buffer_mode == B_DMA_contig) alloc_ctxs[0] = cam->vb_alloc_ctx; else if (cam->buffer_mode == B_DMA_sg) alloc_ctxs[0] = cam->vb_alloc_ctx_sg; + + if (*num_planes) + return sizes[0] < size ? -EINVAL : 0; + sizes[0] = size; + *num_planes = 1; /* Someday we have to support planar formats... */ return 0; } diff --git a/drivers/media/platform/mx2_emmaprp.c b/drivers/media/platform/mx2_emmaprp.c index 03a1b60..cb7d4b5 100644 --- a/drivers/media/platform/mx2_emmaprp.c +++ b/drivers/media/platform/mx2_emmaprp.c @@ -689,7 +689,6 @@ static const struct v4l2_ioctl_ops emmaprp_ioctl_ops = { * Queue operations */ static int emmaprp_queue_setup(struct vb2_queue *vq, - const void *parg, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/platform/omap3isp/ispvideo.c b/drivers/media/platform/omap3isp/ispvideo.c index f4f5916..9cc4878 100644 --- a/drivers/media/platform/omap3isp/ispvideo.c +++ b/drivers/media/platform/omap3isp/ispvideo.c @@ -320,7 +320,6 @@ isp_video_check_format(struct isp_video *video, struct isp_video_fh *vfh) */ static int isp_video_queue_setup(struct vb2_queue *queue, - const void *parg, unsigned int *count, unsigned int *num_planes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/platform/rcar_jpu.c b/drivers/media/platform/rcar_jpu.c index 86d2a3d..742f13e 100644 --- a/drivers/media/platform/rcar_jpu.c +++ b/drivers/media/platform/rcar_jpu.c @@ -1015,28 +1015,33 @@ error_free: * ============================================================================ */ static int jpu_queue_setup(struct vb2_queue *vq, - const void *parg, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct jpu_ctx *ctx = vb2_get_drv_priv(vq); struct jpu_q_data *q_data; unsigned int i; q_data = jpu_get_q_data(ctx, vq->type); - *nplanes = q_data->format.num_planes; + if (*nplanes) { + if (*nplanes != q_data->format.num_planes) + return -EINVAL; - for (i = 0; i < *nplanes; i++) { - unsigned int q_size = q_data->format.plane_fmt[i].sizeimage; - unsigned int f_size = fmt ? - fmt->fmt.pix_mp.plane_fmt[i].sizeimage : 0; + for (i = 0; i < *nplanes; i++) { + unsigned int q_size = q_data->format.plane_fmt[i].sizeimage; - if (fmt && f_size < q_size) - return -EINVAL; + if (sizes[i] < q_size) + return -EINVAL; + alloc_ctxs[i] = ctx->jpu->alloc_ctx; + } + return 0; + } - sizes[i] = fmt ? f_size : q_size; + *nplanes = q_data->format.num_planes; + + for (i = 0; i < *nplanes; i++) { + sizes[i] = q_data->format.plane_fmt[i].sizeimage; alloc_ctxs[i] = ctx->jpu->alloc_ctx; } diff --git a/drivers/media/platform/s3c-camif/camif-capture.c b/drivers/media/platform/s3c-camif/camif-capture.c index 537b858..68e6512 100644 --- a/drivers/media/platform/s3c-camif/camif-capture.c +++ b/drivers/media/platform/s3c-camif/camif-capture.c @@ -435,39 +435,28 @@ static void stop_streaming(struct vb2_queue *vq) camif_stop_capture(vp); } -static int queue_setup(struct vb2_queue *vq, const void *parg, +static int queue_setup(struct vb2_queue *vq, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], void *allocators[]) { - const struct v4l2_format *pfmt = parg; - const struct v4l2_pix_format *pix = NULL; struct camif_vp *vp = vb2_get_drv_priv(vq); struct camif_dev *camif = vp->camif; struct camif_frame *frame = &vp->out_frame; - const struct camif_fmt *fmt; + const struct camif_fmt *fmt = vp->out_fmt; unsigned int size; - if (pfmt) { - pix = &pfmt->fmt.pix; - fmt = s3c_camif_find_format(vp, &pix->pixelformat, -1); - if (fmt == NULL) - return -EINVAL; - size = (pix->width * pix->height * fmt->depth) / 8; - } else { - fmt = vp->out_fmt; - if (fmt == NULL) - return -EINVAL; - size = (frame->f_width * frame->f_height * fmt->depth) / 8; - } - - *num_planes = 1; + if (fmt == NULL) + return -EINVAL; - if (pix) - sizes[0] = max(size, pix->sizeimage); - else - sizes[0] = size; + size = (frame->f_width * frame->f_height * fmt->depth) / 8; allocators[0] = camif->alloc_ctx; + if (*num_planes) + return sizes[0] < size ? -EINVAL : 0; + + *num_planes = 1; + sizes[0] = size; + pr_debug("size: %u\n", sizes[0]); return 0; } diff --git a/drivers/media/platform/s5p-g2d/g2d.c b/drivers/media/platform/s5p-g2d/g2d.c index e1936d9..12b4415 100644 --- a/drivers/media/platform/s5p-g2d/g2d.c +++ b/drivers/media/platform/s5p-g2d/g2d.c @@ -101,7 +101,7 @@ static struct g2d_frame *get_frame(struct g2d_ctx *ctx, } } -static int g2d_queue_setup(struct vb2_queue *vq, const void *parg, +static int g2d_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c index 4a608cb..30440b0 100644 --- a/drivers/media/platform/s5p-jpeg/jpeg-core.c +++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c @@ -2430,7 +2430,6 @@ static struct v4l2_m2m_ops exynos4_jpeg_m2m_ops = { */ static int s5p_jpeg_queue_setup(struct vb2_queue *vq, - const void *parg, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c index 1c4998c..dabf263 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c @@ -888,7 +888,7 @@ static const struct v4l2_ioctl_ops s5p_mfc_dec_ioctl_ops = { }; static int s5p_mfc_queue_setup(struct vb2_queue *vq, - const void *parg, unsigned int *buf_count, + unsigned int *buf_count, unsigned int *plane_count, unsigned int psize[], void *allocators[]) { diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c index 115b7da..9916cde 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c @@ -1818,7 +1818,6 @@ static int check_vb_with_fmt(struct s5p_mfc_fmt *fmt, struct vb2_buffer *vb) } static int s5p_mfc_queue_setup(struct vb2_queue *vq, - const void *parg, unsigned int *buf_count, unsigned int *plane_count, unsigned int psize[], void *allocators[]) { diff --git a/drivers/media/platform/s5p-tv/mixer_video.c b/drivers/media/platform/s5p-tv/mixer_video.c index dc1c679..d9e7f03 100644 --- a/drivers/media/platform/s5p-tv/mixer_video.c +++ b/drivers/media/platform/s5p-tv/mixer_video.c @@ -881,7 +881,7 @@ static const struct v4l2_file_operations mxr_fops = { .unlocked_ioctl = video_ioctl2, }; -static int queue_setup(struct vb2_queue *vq, const void *parg, +static int queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/platform/sh_veu.c b/drivers/media/platform/sh_veu.c index d6ab33e..82c39f3 100644 --- a/drivers/media/platform/sh_veu.c +++ b/drivers/media/platform/sh_veu.c @@ -865,32 +865,14 @@ static const struct v4l2_ioctl_ops sh_veu_ioctl_ops = { /* ========== Queue operations ========== */ static int sh_veu_queue_setup(struct vb2_queue *vq, - const void *parg, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *f = parg; struct sh_veu_dev *veu = vb2_get_drv_priv(vq); - struct sh_veu_vfmt *vfmt; - unsigned int size, count = *nbuffers; - - if (f) { - const struct v4l2_pix_format *pix = &f->fmt.pix; - const struct sh_veu_format *fmt = sh_veu_find_fmt(f); - struct v4l2_format ftmp = *f; - - if (fmt->fourcc != pix->pixelformat) - return -EINVAL; - sh_veu_try_fmt(&ftmp, fmt); - if (ftmp.fmt.pix.width != pix->width || - ftmp.fmt.pix.height != pix->height) - return -EINVAL; - size = pix->bytesperline ? pix->bytesperline * pix->height * fmt->depth / fmt->ydepth : - pix->width * pix->height * fmt->depth / fmt->ydepth; - } else { - vfmt = sh_veu_get_vfmt(veu, vq->type); - size = vfmt->bytesperline * vfmt->frame.height * vfmt->fmt->depth / vfmt->fmt->ydepth; - } + struct sh_veu_vfmt *vfmt = sh_veu_get_vfmt(veu, vq->type); + unsigned int count = *nbuffers; + unsigned int size = vfmt->bytesperline * vfmt->frame.height * + vfmt->fmt->depth / vfmt->fmt->ydepth; if (count < 2) *nbuffers = count = 2; @@ -900,6 +882,11 @@ static int sh_veu_queue_setup(struct vb2_queue *vq, *nbuffers = count; } + if (*nplanes) { + alloc_ctxs[0] = veu->alloc_ctx; + return sizes[0] < size ? -EINVAL : 0; + } + *nplanes = 1; sizes[0] = size; alloc_ctxs[0] = veu->alloc_ctx; diff --git a/drivers/media/platform/sh_vou.c b/drivers/media/platform/sh_vou.c index 544e2b5..fd0524e 100644 --- a/drivers/media/platform/sh_vou.c +++ b/drivers/media/platform/sh_vou.c @@ -243,22 +243,21 @@ static void sh_vou_stream_config(struct sh_vou_device *vou_dev) } /* Locking: caller holds fop_lock mutex */ -static int sh_vou_queue_setup(struct vb2_queue *vq, const void *parg, +static int sh_vou_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct sh_vou_device *vou_dev = vb2_get_drv_priv(vq); struct v4l2_pix_format *pix = &vou_dev->pix; int bytes_per_line = vou_fmt[vou_dev->pix_idx].bpp * pix->width / 8; dev_dbg(vou_dev->v4l2_dev.dev, "%s()\n", __func__); - if (fmt && fmt->fmt.pix.sizeimage < pix->height * bytes_per_line) - return -EINVAL; - *nplanes = 1; - sizes[0] = fmt ? fmt->fmt.pix.sizeimage : pix->height * bytes_per_line; alloc_ctxs[0] = vou_dev->alloc_ctx; + if (*nplanes) + return sizes[0] < pix->height * bytes_per_line ? -EINVAL : 0; + *nplanes = 1; + sizes[0] = pix->height * bytes_per_line; return 0; } diff --git a/drivers/media/platform/soc_camera/atmel-isi.c b/drivers/media/platform/soc_camera/atmel-isi.c index f5f815d..b78aa02 100644 --- a/drivers/media/platform/soc_camera/atmel-isi.c +++ b/drivers/media/platform/soc_camera/atmel-isi.c @@ -303,7 +303,7 @@ static int atmel_isi_wait_status(struct atmel_isi *isi, int wait_reset) /* ------------------------------------------------------------------ Videobuf operations ------------------------------------------------------------------*/ -static int queue_setup(struct vb2_queue *vq, const void *parg, +static int queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/platform/soc_camera/mx2_camera.c b/drivers/media/platform/soc_camera/mx2_camera.c index 276beae..8889b29 100644 --- a/drivers/media/platform/soc_camera/mx2_camera.c +++ b/drivers/media/platform/soc_camera/mx2_camera.c @@ -469,21 +469,15 @@ static void mx2_camera_clock_stop(struct soc_camera_host *ici) * Videobuf operations */ static int mx2_videobuf_setup(struct vb2_queue *vq, - const void *parg, unsigned int *count, unsigned int *num_planes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct soc_camera_device *icd = soc_camera_from_vb2q(vq); struct soc_camera_host *ici = to_soc_camera_host(icd->parent); struct mx2_camera_dev *pcdev = ici->priv; dev_dbg(icd->parent, "count=%d, size=%d\n", *count, sizes[0]); - /* TODO: support for VIDIOC_CREATE_BUFS not ready */ - if (fmt != NULL) - return -ENOTTY; - alloc_ctxs[0] = pcdev->alloc_ctx; sizes[0] = icd->sizeimage; diff --git a/drivers/media/platform/soc_camera/mx3_camera.c b/drivers/media/platform/soc_camera/mx3_camera.c index 046ebf0..bbe01e8 100644 --- a/drivers/media/platform/soc_camera/mx3_camera.c +++ b/drivers/media/platform/soc_camera/mx3_camera.c @@ -185,11 +185,9 @@ static void mx3_cam_dma_done(void *arg) * Calculate the __buffer__ (not data) size and number of buffers. */ static int mx3_videobuf_setup(struct vb2_queue *vq, - const void *parg, unsigned int *count, unsigned int *num_planes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; 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; @@ -197,33 +195,6 @@ static int mx3_videobuf_setup(struct vb2_queue *vq, 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); - unsigned int bytes_per_line; - int ret; - - if (!xlate) - return -EINVAL; - - ret = soc_mbus_bytes_per_line(fmt->fmt.pix.width, - xlate->host_fmt); - if (ret < 0) - return ret; - - bytes_per_line = max_t(u32, fmt->fmt.pix.bytesperline, ret); - - ret = soc_mbus_image_size(xlate->host_fmt, bytes_per_line, - fmt->fmt.pix.height); - if (ret < 0) - return ret; - - sizes[0] = max_t(u32, fmt->fmt.pix.sizeimage, ret); - } else { - /* Called from VIDIOC_REQBUFS or in compatibility mode */ - sizes[0] = icd->sizeimage; - } - alloc_ctxs[0] = mx3_cam->alloc_ctx; if (!vq->num_buffers) @@ -232,9 +203,14 @@ static int mx3_videobuf_setup(struct vb2_queue *vq, if (!*count) *count = 2; + /* Called from VIDIOC_REQBUFS or in compatibility mode */ + if (!*num_planes) + sizes[0] = icd->sizeimage; + else if (sizes[0] < icd->sizeimage) + return -EINVAL; + /* If *num_planes != 0, we have already verified *count. */ - if (!*num_planes && - sizes[0] * *count + mx3_cam->buf_total > MAX_VIDEO_MEM * 1024 * 1024) + 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]; diff --git a/drivers/media/platform/soc_camera/rcar_vin.c b/drivers/media/platform/soc_camera/rcar_vin.c index 5d90f39..b0043cd 100644 --- a/drivers/media/platform/soc_camera/rcar_vin.c +++ b/drivers/media/platform/soc_camera/rcar_vin.c @@ -531,46 +531,14 @@ struct rcar_vin_cam { * required */ static int rcar_vin_videobuf_setup(struct vb2_queue *vq, - const void *parg, unsigned int *count, unsigned int *num_planes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct soc_camera_device *icd = soc_camera_from_vb2q(vq); struct soc_camera_host *ici = to_soc_camera_host(icd->parent); struct rcar_vin_priv *priv = ici->priv; - if (fmt) { - const struct soc_camera_format_xlate *xlate; - unsigned int bytes_per_line; - int ret; - - if (fmt->fmt.pix.sizeimage < icd->sizeimage) - return -EINVAL; - - xlate = soc_camera_xlate_by_fourcc(icd, - fmt->fmt.pix.pixelformat); - if (!xlate) - return -EINVAL; - ret = soc_mbus_bytes_per_line(fmt->fmt.pix.width, - xlate->host_fmt); - if (ret < 0) - return ret; - - bytes_per_line = max_t(u32, fmt->fmt.pix.bytesperline, ret); - - ret = soc_mbus_image_size(xlate->host_fmt, bytes_per_line, - fmt->fmt.pix.height); - if (ret < 0) - return ret; - - sizes[0] = max_t(u32, fmt->fmt.pix.sizeimage, ret); - } else { - /* Called from VIDIOC_REQBUFS or in compatibility mode */ - sizes[0] = icd->sizeimage; - } - alloc_ctxs[0] = priv->alloc_ctx; if (!vq->num_buffers) @@ -580,14 +548,18 @@ static int rcar_vin_videobuf_setup(struct vb2_queue *vq, *count = 2; priv->vb_count = *count; - *num_planes = 1; - /* Number of hardware slots */ if (is_continuous_transfer(priv)) priv->nr_hw_slots = MAX_BUFFER_NUM; else priv->nr_hw_slots = 1; + if (*num_planes) + return sizes[0] < icd->sizeimage ? -EINVAL : 0; + + sizes[0] = icd->sizeimage; + *num_planes = 1; + dev_dbg(icd->parent, "count=%d, size=%u\n", *count, sizes[0]); return 0; diff --git a/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c b/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c index ad21307..4e9bc04 100644 --- a/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c +++ b/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c @@ -210,43 +210,14 @@ static int sh_mobile_ceu_soft_reset(struct sh_mobile_ceu_dev *pcdev) * for the current frame format if required */ static int sh_mobile_ceu_videobuf_setup(struct vb2_queue *vq, - const void *parg, unsigned int *count, unsigned int *num_planes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct soc_camera_device *icd = container_of(vq, struct soc_camera_device, vb2_vidq); struct soc_camera_host *ici = to_soc_camera_host(icd->parent); struct sh_mobile_ceu_dev *pcdev = ici->priv; - if (fmt) { - const struct soc_camera_format_xlate *xlate = soc_camera_xlate_by_fourcc(icd, - fmt->fmt.pix.pixelformat); - unsigned int bytes_per_line; - int ret; - - if (!xlate) - return -EINVAL; - - ret = soc_mbus_bytes_per_line(fmt->fmt.pix.width, - xlate->host_fmt); - if (ret < 0) - return ret; - - bytes_per_line = max_t(u32, fmt->fmt.pix.bytesperline, ret); - - ret = soc_mbus_image_size(xlate->host_fmt, bytes_per_line, - fmt->fmt.pix.height); - if (ret < 0) - return ret; - - sizes[0] = max_t(u32, fmt->fmt.pix.sizeimage, ret); - } else { - /* Called from VIDIOC_REQBUFS or in compatibility mode */ - sizes[0] = icd->sizeimage; - } - alloc_ctxs[0] = pcdev->alloc_ctx; if (!vq->num_buffers) @@ -255,8 +226,14 @@ static int sh_mobile_ceu_videobuf_setup(struct vb2_queue *vq, if (!*count) *count = 2; + /* Called from VIDIOC_REQBUFS or in compatibility mode */ + if (!*num_planes) + sizes[0] = icd->sizeimage; + else if (sizes[0] < icd->sizeimage) + return -EINVAL; + /* If *num_planes != 0, we have already verified *count. */ - if (pcdev->video_limit && !*num_planes) { + if (pcdev->video_limit) { size_t size = PAGE_ALIGN(sizes[0]) * *count; if (size + pcdev->buf_total > pcdev->video_limit) diff --git a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c index a0d267e..81871d6 100644 --- a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c +++ b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c @@ -438,11 +438,9 @@ static void bdisp_ctrls_delete(struct bdisp_ctx *ctx) } static int bdisp_queue_setup(struct vb2_queue *vq, - const void *parg, unsigned int *nb_buf, unsigned int *nb_planes, unsigned int sizes[], void *allocators[]) { - const struct v4l2_format *fmt = parg; struct bdisp_ctx *ctx = vb2_get_drv_priv(vq); struct bdisp_frame *frame = ctx_get_frame(ctx, vq->type); @@ -455,13 +453,13 @@ static int bdisp_queue_setup(struct vb2_queue *vq, dev_err(ctx->bdisp_dev->dev, "Invalid format\n"); return -EINVAL; } + allocators[0] = ctx->bdisp_dev->alloc_ctx; - if (fmt && fmt->fmt.pix.sizeimage < frame->sizeimage) - return -EINVAL; + if (*nb_planes) + return sizes[0] < frame->sizeimage ? -EINVAL : 0; *nb_planes = 1; - sizes[0] = fmt ? fmt->fmt.pix.sizeimage : frame->sizeimage; - allocators[0] = ctx->bdisp_dev->alloc_ctx; + sizes[0] = frame->sizeimage; return 0; } diff --git a/drivers/media/platform/ti-vpe/vpe.c b/drivers/media/platform/ti-vpe/vpe.c index de24eff..e8ed265 100644 --- a/drivers/media/platform/ti-vpe/vpe.c +++ b/drivers/media/platform/ti-vpe/vpe.c @@ -1796,7 +1796,6 @@ static const struct v4l2_ioctl_ops vpe_ioctl_ops = { * Queue operations */ static int vpe_queue_setup(struct vb2_queue *vq, - const void *parg, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/platform/vim2m.c b/drivers/media/platform/vim2m.c index e18fb9f..93e1d25 100644 --- a/drivers/media/platform/vim2m.c +++ b/drivers/media/platform/vim2m.c @@ -710,11 +710,9 @@ static const struct v4l2_ioctl_ops vim2m_ioctl_ops = { */ static int vim2m_queue_setup(struct vb2_queue *vq, - const void *parg, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct vim2m_ctx *ctx = vb2_get_drv_priv(vq); struct vim2m_q_data *q_data; unsigned int size, count = *nbuffers; @@ -723,17 +721,14 @@ static int vim2m_queue_setup(struct vb2_queue *vq, size = q_data->width * q_data->height * q_data->fmt->depth >> 3; - if (fmt) { - if (fmt->fmt.pix.sizeimage < size) - return -EINVAL; - size = fmt->fmt.pix.sizeimage; - } - while (size * count > MEM2MEM_VID_MEM_LIMIT) (count)--; + *nbuffers = count; + + if (*nplanes) + return sizes[0] < size ? -EINVAL : 0; *nplanes = 1; - *nbuffers = count; sizes[0] = size; /* diff --git a/drivers/media/platform/vivid/vivid-sdr-cap.c b/drivers/media/platform/vivid/vivid-sdr-cap.c index 082c401..6eeeff9 100644 --- a/drivers/media/platform/vivid/vivid-sdr-cap.c +++ b/drivers/media/platform/vivid/vivid-sdr-cap.c @@ -213,7 +213,7 @@ static int vivid_thread_sdr_cap(void *data) return 0; } -static int sdr_cap_queue_setup(struct vb2_queue *vq, const void *parg, +static int sdr_cap_queue_setup(struct vb2_queue *vq, unsigned *nbuffers, unsigned *nplanes, unsigned sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/platform/vivid/vivid-vbi-cap.c b/drivers/media/platform/vivid/vivid-vbi-cap.c index e903d02..d6d12e1 100644 --- a/drivers/media/platform/vivid/vivid-vbi-cap.c +++ b/drivers/media/platform/vivid/vivid-vbi-cap.c @@ -137,7 +137,7 @@ void vivid_sliced_vbi_cap_process(struct vivid_dev *dev, buf->vb.timestamp.tv_sec += dev->time_wrap_offset; } -static int vbi_cap_queue_setup(struct vb2_queue *vq, const void *parg, +static int vbi_cap_queue_setup(struct vb2_queue *vq, unsigned *nbuffers, unsigned *nplanes, unsigned sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/platform/vivid/vivid-vbi-out.c b/drivers/media/platform/vivid/vivid-vbi-out.c index 75c5709..3c5a469 100644 --- a/drivers/media/platform/vivid/vivid-vbi-out.c +++ b/drivers/media/platform/vivid/vivid-vbi-out.c @@ -27,7 +27,7 @@ #include "vivid-vbi-out.h" #include "vivid-vbi-cap.h" -static int vbi_out_queue_setup(struct vb2_queue *vq, const void *parg, +static int vbi_out_queue_setup(struct vb2_queue *vq, unsigned *nbuffers, unsigned *nplanes, unsigned sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/platform/vivid/vivid-vid-cap.c b/drivers/media/platform/vivid/vivid-vid-cap.c index 9cc07c6..b84f081 100644 --- a/drivers/media/platform/vivid/vivid-vid-cap.c +++ b/drivers/media/platform/vivid/vivid-vid-cap.c @@ -95,11 +95,10 @@ static const struct v4l2_discrete_probe webcam_probe = { VIVID_WEBCAM_SIZES }; -static int vid_cap_queue_setup(struct vb2_queue *vq, const void *parg, +static int vid_cap_queue_setup(struct vb2_queue *vq, unsigned *nbuffers, unsigned *nplanes, unsigned sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct vivid_dev *dev = vb2_get_drv_priv(vq); unsigned buffers = tpg_g_buffers(&dev->tpg); unsigned h = dev->fmt_cap_rect.height; @@ -122,27 +121,16 @@ static int vid_cap_queue_setup(struct vb2_queue *vq, const void *parg, dev->queue_setup_error = false; return -EINVAL; } - if (fmt) { - const struct v4l2_pix_format_mplane *mp; - struct v4l2_format mp_fmt; - const struct vivid_fmt *vfmt; - - if (!V4L2_TYPE_IS_MULTIPLANAR(fmt->type)) { - fmt_sp2mp(fmt, &mp_fmt); - fmt = &mp_fmt; - } - mp = &fmt->fmt.pix_mp; + if (*nplanes) { /* - * Check if the number of planes in the specified format match + * Check if the number of requested planes match * the number of buffers in the current format. You can't mix that. */ - if (mp->num_planes != buffers) + if (*nplanes != buffers) return -EINVAL; - vfmt = vivid_get_format(dev, mp->pixelformat); for (p = 0; p < buffers; p++) { - sizes[p] = mp->plane_fmt[p].sizeimage; if (sizes[p] < tpg_g_line_width(&dev->tpg, p) * h + - vfmt->data_offset[p]) + dev->fmt_cap->data_offset[p]) return -EINVAL; } } else { diff --git a/drivers/media/platform/vivid/vivid-vid-out.c b/drivers/media/platform/vivid/vivid-vid-out.c index 1f3b081..64e4d66 100644 --- a/drivers/media/platform/vivid/vivid-vid-out.c +++ b/drivers/media/platform/vivid/vivid-vid-out.c @@ -31,11 +31,10 @@ #include "vivid-kthread-out.h" #include "vivid-vid-out.h" -static int vid_out_queue_setup(struct vb2_queue *vq, const void *parg, +static int vid_out_queue_setup(struct vb2_queue *vq, unsigned *nbuffers, unsigned *nplanes, unsigned sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct vivid_dev *dev = vb2_get_drv_priv(vq); const struct vivid_fmt *vfmt = dev->fmt_out; unsigned planes = vfmt->buffers; @@ -64,26 +63,16 @@ static int vid_out_queue_setup(struct vb2_queue *vq, const void *parg, return -EINVAL; } - if (fmt) { - const struct v4l2_pix_format_mplane *mp; - struct v4l2_format mp_fmt; - - if (!V4L2_TYPE_IS_MULTIPLANAR(fmt->type)) { - fmt_sp2mp(fmt, &mp_fmt); - fmt = &mp_fmt; - } - mp = &fmt->fmt.pix_mp; + if (*nplanes) { /* - * Check if the number of planes in the specified format match + * Check if the number of requested planes match * the number of planes in the current format. You can't mix that. */ - if (mp->num_planes != planes) + if (*nplanes != planes) return -EINVAL; - sizes[0] = mp->plane_fmt[0].sizeimage; if (sizes[0] < size) return -EINVAL; for (p = 1; p < planes; p++) { - sizes[p] = mp->plane_fmt[p].sizeimage; if (sizes[p] < dev->bytesperline_out[p] * h) return -EINVAL; } diff --git a/drivers/media/platform/vsp1/vsp1_video.c b/drivers/media/platform/vsp1/vsp1_video.c index 5ce88e1..1eebf58 100644 --- a/drivers/media/platform/vsp1/vsp1_video.c +++ b/drivers/media/platform/vsp1/vsp1_video.c @@ -274,35 +274,6 @@ static int __vsp1_video_try_format(struct vsp1_video *video, return 0; } -static bool -vsp1_video_format_adjust(struct vsp1_video *video, - const struct v4l2_pix_format_mplane *format, - struct v4l2_pix_format_mplane *adjust) -{ - unsigned int i; - - *adjust = *format; - __vsp1_video_try_format(video, adjust, NULL); - - if (format->width != adjust->width || - format->height != adjust->height || - format->pixelformat != adjust->pixelformat || - format->num_planes != adjust->num_planes) - return false; - - for (i = 0; i < format->num_planes; ++i) { - if (format->plane_fmt[i].bytesperline != - adjust->plane_fmt[i].bytesperline) - return false; - - adjust->plane_fmt[i].sizeimage = - max(adjust->plane_fmt[i].sizeimage, - format->plane_fmt[i].sizeimage); - } - - return true; -} - /* ----------------------------------------------------------------------------- * Pipeline Management */ @@ -787,26 +758,24 @@ void vsp1_pipelines_resume(struct vsp1_device *vsp1) */ static int -vsp1_video_queue_setup(struct vb2_queue *vq, const void *parg, +vsp1_video_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct vsp1_video *video = vb2_get_drv_priv(vq); - const struct v4l2_pix_format_mplane *format; - struct v4l2_pix_format_mplane pix_mp; + const struct v4l2_pix_format_mplane *format = &video->format; unsigned int i; - if (fmt) { - /* Make sure the format is valid and adjust the sizeimage field - * if needed. - */ - if (!vsp1_video_format_adjust(video, &fmt->fmt.pix_mp, &pix_mp)) + if (*nplanes) { + if (*nplanes != format->num_planes) return -EINVAL; - format = &pix_mp; - } else { - format = &video->format; + for (i = 0; i < *nplanes; i++) { + if (sizes[i] < format->plane_fmt[i].sizeimage) + return -EINVAL; + alloc_ctxs[i] = video->alloc_ctx; + } + return 0; } *nplanes = format->num_planes; diff --git a/drivers/media/platform/xilinx/xilinx-dma.c b/drivers/media/platform/xilinx/xilinx-dma.c index d11cc70..8532cab 100644 --- a/drivers/media/platform/xilinx/xilinx-dma.c +++ b/drivers/media/platform/xilinx/xilinx-dma.c @@ -309,21 +309,19 @@ static void xvip_dma_complete(void *param) } static int -xvip_dma_queue_setup(struct vb2_queue *vq, const void *parg, +xvip_dma_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct xvip_dma *dma = vb2_get_drv_priv(vq); + alloc_ctxs[0] = dma->alloc_ctx; /* Make sure the image size is large enough. */ - if (fmt && fmt->fmt.pix.sizeimage < dma->format.sizeimage) - return -EINVAL; + if (*nplanes) + return sizes[0] < dma->format.sizeimage ? -EINVAL : 0; *nplanes = 1; - - sizes[0] = fmt ? fmt->fmt.pix.sizeimage : dma->format.sizeimage; - alloc_ctxs[0] = dma->alloc_ctx; + sizes[0] = dma->format.sizeimage; return 0; } diff --git a/drivers/media/usb/airspy/airspy.c b/drivers/media/usb/airspy/airspy.c index fcbb497..518d511 100644 --- a/drivers/media/usb/airspy/airspy.c +++ b/drivers/media/usb/airspy/airspy.c @@ -488,7 +488,7 @@ static void airspy_disconnect(struct usb_interface *intf) /* Videobuf2 operations */ static int airspy_queue_setup(struct vb2_queue *vq, - const void *parg, unsigned int *nbuffers, + unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { struct airspy *s = vb2_get_drv_priv(vq); diff --git a/drivers/media/usb/au0828/au0828-vbi.c b/drivers/media/usb/au0828/au0828-vbi.c index 130c8b4..b4efc10 100644 --- a/drivers/media/usb/au0828/au0828-vbi.c +++ b/drivers/media/usb/au0828/au0828-vbi.c @@ -30,23 +30,17 @@ /* ------------------------------------------------------------------ */ -static int vbi_queue_setup(struct vb2_queue *vq, const void *parg, +static int vbi_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct au0828_dev *dev = vb2_get_drv_priv(vq); - unsigned long img_size = dev->vbi_width * dev->vbi_height * 2; - unsigned long size; - - size = fmt ? (fmt->fmt.vbi.samples_per_line * - (fmt->fmt.vbi.count[0] + fmt->fmt.vbi.count[1])) : img_size; - if (size < img_size) - return -EINVAL; + unsigned long size = dev->vbi_width * dev->vbi_height * 2; + if (*nplanes) + return sizes[0] < size ? -EINVAL : 0; *nplanes = 1; sizes[0] = size; - return 0; } diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c index 45c622e..427d58e 100644 --- a/drivers/media/usb/au0828/au0828-video.c +++ b/drivers/media/usb/au0828/au0828-video.c @@ -638,19 +638,15 @@ static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb) return rc; } -static int queue_setup(struct vb2_queue *vq, const void *parg, +static int queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct au0828_dev *dev = vb2_get_drv_priv(vq); - unsigned long img_size = dev->height * dev->bytesperline; - unsigned long size; - - size = fmt ? fmt->fmt.pix.sizeimage : img_size; - if (size < img_size) - return -EINVAL; + unsigned long size = dev->height * dev->bytesperline; + if (*nplanes) + return sizes[0] < size ? -EINVAL : 0; *nplanes = 1; sizes[0] = size; diff --git a/drivers/media/usb/em28xx/em28xx-vbi.c b/drivers/media/usb/em28xx/em28xx-vbi.c index e23c285..fe94c92 100644 --- a/drivers/media/usb/em28xx/em28xx-vbi.c +++ b/drivers/media/usb/em28xx/em28xx-vbi.c @@ -31,26 +31,22 @@ /* ------------------------------------------------------------------ */ -static int vbi_queue_setup(struct vb2_queue *vq, const void *parg, +static int vbi_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct em28xx *dev = vb2_get_drv_priv(vq); struct em28xx_v4l2 *v4l2 = dev->v4l2; - unsigned long size; + unsigned long size = v4l2->vbi_width * v4l2->vbi_height * 2; - if (fmt) - size = fmt->fmt.pix.sizeimage; - else - size = v4l2->vbi_width * v4l2->vbi_height * 2; - - if (0 == *nbuffers) - *nbuffers = 32; if (*nbuffers < 2) *nbuffers = 2; - if (*nbuffers > 32) - *nbuffers = 32; + + if (*nplanes) { + if (sizes[0] < size) + return -EINVAL; + size = sizes[0]; + } *nplanes = 1; sizes[0] = size; diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c index bba2052..235a038 100644 --- a/drivers/media/usb/em28xx/em28xx-video.c +++ b/drivers/media/usb/em28xx/em28xx-video.c @@ -871,30 +871,19 @@ static void res_free(struct em28xx *dev, enum v4l2_buf_type f_type) Videobuf2 operations ------------------------------------------------------------------*/ -static int queue_setup(struct vb2_queue *vq, const void *parg, +static int queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct em28xx *dev = vb2_get_drv_priv(vq); struct em28xx_v4l2 *v4l2 = dev->v4l2; - unsigned long size; - - if (fmt) - size = fmt->fmt.pix.sizeimage; - else - size = + unsigned long size = (v4l2->width * v4l2->height * v4l2->format->depth + 7) >> 3; - if (size == 0) - return -EINVAL; - - if (0 == *nbuffers) - *nbuffers = 32; - + if (*nplanes) + return sizes[0] < size ? -EINVAL : 0; *nplanes = 1; sizes[0] = size; - return 0; } diff --git a/drivers/media/usb/go7007/go7007-v4l2.c b/drivers/media/usb/go7007/go7007-v4l2.c index ae5038b..358c1c1 100644 --- a/drivers/media/usb/go7007/go7007-v4l2.c +++ b/drivers/media/usb/go7007/go7007-v4l2.c @@ -369,7 +369,6 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, } static int go7007_queue_setup(struct vb2_queue *q, - const void *parg, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/usb/hackrf/hackrf.c b/drivers/media/usb/hackrf/hackrf.c index e05bfec..d0c416d 100644 --- a/drivers/media/usb/hackrf/hackrf.c +++ b/drivers/media/usb/hackrf/hackrf.c @@ -750,7 +750,7 @@ static void hackrf_return_all_buffers(struct vb2_queue *vq, } static int hackrf_queue_setup(struct vb2_queue *vq, - const void *parg, unsigned int *nbuffers, + unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { struct hackrf_dev *dev = vb2_get_drv_priv(vq); diff --git a/drivers/media/usb/msi2500/msi2500.c b/drivers/media/usb/msi2500/msi2500.c index e06a21a..c104315 100644 --- a/drivers/media/usb/msi2500/msi2500.c +++ b/drivers/media/usb/msi2500/msi2500.c @@ -616,7 +616,6 @@ static int msi2500_querycap(struct file *file, void *fh, /* Videobuf2 operations */ static int msi2500_queue_setup(struct vb2_queue *vq, - const void *parg, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) diff --git a/drivers/media/usb/pwc/pwc-if.c b/drivers/media/usb/pwc/pwc-if.c index b79c36f..e90e494 100644 --- a/drivers/media/usb/pwc/pwc-if.c +++ b/drivers/media/usb/pwc/pwc-if.c @@ -571,7 +571,7 @@ static void pwc_video_release(struct v4l2_device *v) /***************************************************************************/ /* Videobuf2 operations */ -static int queue_setup(struct vb2_queue *vq, const void *parg, +static int queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/usb/s2255/s2255drv.c b/drivers/media/usb/s2255/s2255drv.c index e7acb12..82bdd42 100644 --- a/drivers/media/usb/s2255/s2255drv.c +++ b/drivers/media/usb/s2255/s2255drv.c @@ -660,7 +660,7 @@ static void s2255_fillbuff(struct s2255_vc *vc, Videobuf operations ------------------------------------------------------------------*/ -static int queue_setup(struct vb2_queue *vq, const void *parg, +static int queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/usb/stk1160/stk1160-v4l.c b/drivers/media/usb/stk1160/stk1160-v4l.c index 9a69bb5..77131fd 100644 --- a/drivers/media/usb/stk1160/stk1160-v4l.c +++ b/drivers/media/usb/stk1160/stk1160-v4l.c @@ -664,7 +664,7 @@ static const struct v4l2_ioctl_ops stk1160_ioctl_ops = { /* * Videobuf2 operations */ -static int queue_setup(struct vb2_queue *vq, const void *parg, +static int queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/drivers/media/usb/usbtv/usbtv-video.c b/drivers/media/usb/usbtv/usbtv-video.c index e645c9d..05cbd2f 100644 --- a/drivers/media/usb/usbtv/usbtv-video.c +++ b/drivers/media/usb/usbtv/usbtv-video.c @@ -599,19 +599,18 @@ static struct v4l2_file_operations usbtv_fops = { }; static int usbtv_queue_setup(struct vb2_queue *vq, - const void *parg, unsigned int *nbuffers, + unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct usbtv *usbtv = vb2_get_drv_priv(vq); unsigned size = USBTV_CHUNK * usbtv->n_chunks * 2 * sizeof(u32); if (vq->num_buffers + *nbuffers < 2) *nbuffers = 2 - vq->num_buffers; + if (*nplanes) + return sizes[0] < size ? -EINVAL : 0; *nplanes = 1; - if (fmt && fmt->fmt.pix.sizeimage < size) - return -EINVAL; - sizes[0] = fmt ? fmt->fmt.pix.sizeimage : size; + sizes[0] = size; return 0; } diff --git a/drivers/media/usb/uvc/uvc_queue.c b/drivers/media/usb/uvc/uvc_queue.c index cfb868a..5439472 100644 --- a/drivers/media/usb/uvc/uvc_queue.c +++ b/drivers/media/usb/uvc/uvc_queue.c @@ -69,23 +69,19 @@ static void uvc_queue_return_buffers(struct uvc_video_queue *queue, * videobuf2 queue operations */ -static int uvc_queue_setup(struct vb2_queue *vq, const void *parg, +static int uvc_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct uvc_video_queue *queue = vb2_get_drv_priv(vq); struct uvc_streaming *stream = uvc_queue_to_stream(queue); + unsigned size = stream->ctrl.dwMaxVideoFrameSize; /* Make sure the image size is large enough. */ - if (fmt && fmt->fmt.pix.sizeimage < stream->ctrl.dwMaxVideoFrameSize) - return -EINVAL; - + if (*nplanes) + return sizes[0] < size ? -EINVAL : 0; *nplanes = 1; - - sizes[0] = fmt ? fmt->fmt.pix.sizeimage - : stream->ctrl.dwMaxVideoFrameSize; - + sizes[0] = size; return 0; } diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c index 33bdd81..ebce7c7 100644 --- a/drivers/media/v4l2-core/videobuf2-core.c +++ b/drivers/media/v4l2-core/videobuf2-core.c @@ -621,7 +621,7 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory, * Ask the driver how many buffers and planes per buffer it requires. * Driver also sets the size and allocator context for each plane. */ - ret = call_qop(q, queue_setup, q, NULL, &num_buffers, &num_planes, + ret = call_qop(q, queue_setup, q, &num_buffers, &num_planes, q->plane_sizes, q->alloc_ctx); if (ret) return ret; @@ -646,8 +646,15 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory, */ if (!ret && allocated_buffers < num_buffers) { num_buffers = allocated_buffers; + /* + * num_planes is set by the previous queue_setup(), but since it + * signals to queue_setup() whether it is called from create_bufs() + * vs reqbufs() we zero it here to signal that queue_setup() is + * called for the reqbufs() case. + */ + num_planes = 0; - ret = call_qop(q, queue_setup, q, NULL, &num_buffers, + ret = call_qop(q, queue_setup, q, &num_buffers, &num_planes, q->plane_sizes, q->alloc_ctx); if (!ret && allocated_buffers < num_buffers) @@ -701,7 +708,8 @@ EXPORT_SYMBOL_GPL(vb2_core_reqbufs); * from vidioc_create_bufs handler in driver. */ int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory, - unsigned int *count, const void *parg) + unsigned int *count, unsigned requested_planes, + const unsigned requested_sizes[]) { unsigned int num_planes = 0, num_buffers, allocated_buffers; int ret; @@ -720,11 +728,16 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory, num_buffers = min(*count, VB2_MAX_FRAME - q->num_buffers); + if (requested_planes && requested_sizes) { + num_planes = requested_planes; + memcpy(q->plane_sizes, requested_sizes, sizeof(q->plane_sizes)); + } + /* * Ask the driver, whether the requested number of buffers, planes per * buffer and their sizes are acceptable */ - ret = call_qop(q, queue_setup, q, parg, &num_buffers, + ret = call_qop(q, queue_setup, q, &num_buffers, &num_planes, q->plane_sizes, q->alloc_ctx); if (ret) return ret; @@ -747,7 +760,7 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory, * q->num_buffers contains the total number of buffers, that the * queue driver has set up */ - ret = call_qop(q, queue_setup, q, parg, &num_buffers, + ret = call_qop(q, queue_setup, q, &num_buffers, &num_planes, q->plane_sizes, q->alloc_ctx); if (!ret && allocated_buffers < num_buffers) diff --git a/drivers/media/v4l2-core/videobuf2-v4l2.c b/drivers/media/v4l2-core/videobuf2-v4l2.c index 2d1e5b7..1b5c695 100644 --- a/drivers/media/v4l2-core/videobuf2-v4l2.c +++ b/drivers/media/v4l2-core/videobuf2-v4l2.c @@ -525,14 +525,52 @@ EXPORT_SYMBOL_GPL(vb2_prepare_buf); */ int vb2_create_bufs(struct vb2_queue *q, struct v4l2_create_buffers *create) { - int ret = vb2_verify_memory_type(q, create->memory, - create->format.type); + unsigned requested_planes = 1; + unsigned requested_sizes[VIDEO_MAX_PLANES]; + struct v4l2_format *f = &create->format; + int ret = vb2_verify_memory_type(q, create->memory, f->type); + unsigned i; create->index = q->num_buffers; if (create->count == 0) return ret != -EBUSY ? ret : 0; + + switch (f->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: + case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: + requested_planes = f->fmt.pix_mp.num_planes; + if (requested_planes == 0 || + requested_planes > VIDEO_MAX_PLANES) + return -EINVAL; + for (i = 0; i < requested_planes; i++) + requested_sizes[i] = + f->fmt.pix_mp.plane_fmt[i].sizeimage; + break; + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + case V4L2_BUF_TYPE_VIDEO_OUTPUT: + requested_sizes[0] = f->fmt.pix.sizeimage; + break; + case V4L2_BUF_TYPE_VBI_CAPTURE: + case V4L2_BUF_TYPE_VBI_OUTPUT: + requested_sizes[0] = f->fmt.vbi.samples_per_line * + (f->fmt.vbi.count[0] + f->fmt.vbi.count[1]); + break; + case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: + case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: + requested_sizes[0] = f->fmt.sliced.io_size; + break; + case V4L2_BUF_TYPE_SDR_CAPTURE: + case V4L2_BUF_TYPE_SDR_OUTPUT: + requested_sizes[0] = f->fmt.sdr.buffersize; + break; + default: + return -EINVAL; + } + for (i = 0; i < requested_planes; i++) + if (requested_sizes[i] == 0) + return -EINVAL; return ret ? ret : vb2_core_create_bufs(q, create->memory, - &create->count, &create->format); + &create->count, requested_planes, requested_sizes); } EXPORT_SYMBOL_GPL(vb2_create_bufs); @@ -1440,8 +1478,8 @@ int vb2_ioctl_create_bufs(struct file *file, void *priv, return res; if (vb2_queue_is_busy(vdev, file)) return -EBUSY; - res = vb2_core_create_bufs(vdev->queue, p->memory, &p->count, - &p->format); + + res = vb2_create_bufs(vdev->queue, p); if (res == 0) vdev->queue->owner = file->private_data; return res; diff --git a/drivers/staging/media/davinci_vpfe/vpfe_video.c b/drivers/staging/media/davinci_vpfe/vpfe_video.c index 0fdff91..77b4fc6 100644 --- a/drivers/staging/media/davinci_vpfe/vpfe_video.c +++ b/drivers/staging/media/davinci_vpfe/vpfe_video.c @@ -1078,7 +1078,7 @@ vpfe_g_dv_timings(struct file *file, void *fh, * the buffer nbuffers and buffer size */ static int -vpfe_buffer_queue_setup(struct vb2_queue *vq, const void *parg, +vpfe_buffer_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/drivers/staging/media/omap4iss/iss_video.c b/drivers/staging/media/omap4iss/iss_video.c index 2a0158b..17741e3 100644 --- a/drivers/staging/media/omap4iss/iss_video.c +++ b/drivers/staging/media/omap4iss/iss_video.c @@ -287,7 +287,6 @@ iss_video_check_format(struct iss_video *video, struct iss_video_fh *vfh) */ static int iss_video_queue_setup(struct vb2_queue *vq, - const void *parg, unsigned int *count, unsigned int *num_planes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/drivers/usb/gadget/function/uvc_queue.c b/drivers/usb/gadget/function/uvc_queue.c index 51d4a17..f592198 100644 --- a/drivers/usb/gadget/function/uvc_queue.c +++ b/drivers/usb/gadget/function/uvc_queue.c @@ -41,7 +41,7 @@ * videobuf2 queue operations */ -static int uvc_queue_setup(struct vb2_queue *vq, const void *parg, +static int uvc_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h index 647ebfe..b47d1e2 100644 --- a/include/media/videobuf2-core.h +++ b/include/media/videobuf2-core.h @@ -268,21 +268,26 @@ struct vb2_buffer { * struct vb2_ops - driver-specific callbacks * * @queue_setup: called from VIDIOC_REQBUFS and VIDIOC_CREATE_BUFS - * handlers before memory allocation, or, if - * *num_planes != 0, after the allocation to verify a - * smaller number of buffers. Driver should return - * the required number of buffers in *num_buffers, the - * required number of planes per buffer in *num_planes; the - * size of each plane should be set in the sizes[] array - * and optional per-plane allocator specific context in the - * alloc_ctxs[] array. When called from VIDIOC_REQBUFS, - * fmt == NULL, the driver has to use the currently - * configured format and *num_buffers is the total number - * of buffers, that are being allocated. When called from - * VIDIOC_CREATE_BUFS, fmt != NULL and it describes the - * target frame format (if the format isn't valid the - * callback must return -EINVAL). In this case *num_buffers - * are being allocated additionally to q->num_buffers. + * handlers before memory allocation. It can be called + * twice: if the original number of requested buffers + * could not be allocated, then it will be called a + * second time with the actually allocated number of + * buffers to verify if that is OK. + * The driver should return the required number of buffers + * in *num_buffers, the required number of planes per + * buffer in *num_planes, the size of each plane should be + * set in the sizes[] array and optional per-plane + * allocator specific context in the alloc_ctxs[] array. + * When called from VIDIOC_REQBUFS, *num_planes == 0, the + * driver has to use the currently configured format to + * determine the plane sizes and *num_buffers is the total + * number of buffers that are being allocated. When called + * from VIDIOC_CREATE_BUFS, *num_planes != 0 and it + * describes the requested number of planes and sizes[] + * contains the requested plane sizes. If either + * *num_planes or the requested sizes are invalid callback + * must return -EINVAL. In this case *num_buffers are + * being allocated additionally to q->num_buffers. * @wait_prepare: release any locks taken while calling vb2 functions; * it is called before an ioctl needs to wait for a new * buffer to arrive; required to avoid a deadlock in @@ -344,7 +349,7 @@ struct vb2_buffer { * pre-queued buffers before calling STREAMON. */ struct vb2_ops { - int (*queue_setup)(struct vb2_queue *q, const void *parg, + int (*queue_setup)(struct vb2_queue *q, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], void *alloc_ctxs[]); @@ -507,7 +512,8 @@ int vb2_core_querybuf(struct vb2_queue *q, unsigned int index, void *pb); int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory, unsigned int *count); int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory, - unsigned int *count, const void *parg); + unsigned int *count, unsigned requested_planes, + const unsigned int requested_sizes[]); int vb2_core_prepare_buf(struct vb2_queue *q, unsigned int index, void *pb); int vb2_core_qbuf(struct vb2_queue *q, unsigned int index, void *pb); int vb2_core_dqbuf(struct vb2_queue *q, void *pb, bool nonblocking); -- cgit v0.10.2