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[media] cx88: add missing alloc_ctx support

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The cx88 vb2 conversion and the vb2 dma_sg improvements were developed separately and
were merged separately. Unfortunately, the patch updating drivers to the dma_sg
improvements didn't take the updated cx88 driver into account. Basically two ships
passing in the night, unaware of one another even though both ships have the same
owner, i.e. me :-)

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reported-by: Chris Lee <updatelee@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Hans Verkuil 2014-12-08 13:23:49 -03:00 committed by Mauro Carvalho Chehab
parent 454a4e728d
commit 165d00439f
6 changed files with 21 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/media/pci/cx88/cx88-blackbird.c
View File

@ -647,6 +647,7 @@ static int queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt,
dev->ts_packet_size = 188 * 4;
dev->ts_packet_count = 32;
sizes[0] = dev->ts_packet_size * dev->ts_packet_count;
alloc_ctxs[0] = dev->alloc_ctx;
return 0;
}
@ -662,14 +663,11 @@ static void buffer_finish(struct vb2_buffer *vb)
{
struct cx8802_dev *dev = vb->vb2_queue->drv_priv;
struct cx88_buffer *buf = container_of(vb, struct cx88_buffer, vb);
struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
struct cx88_riscmem *risc = &buf->risc;
if (risc->cpu)
pci_free_consistent(dev->pci, risc->size, risc->cpu, risc->dma);
memset(risc, 0, sizeof(*risc));
dma_unmap_sg(&dev->pci->dev, sgt->sgl, sgt->nents, DMA_FROM_DEVICE);
}
static void buffer_queue(struct vb2_buffer *vb)

4
drivers/media/pci/cx88/cx88-dvb.c
View File

@ -92,6 +92,7 @@ static int queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt,
dev->ts_packet_size = 188 * 4;
dev->ts_packet_count = dvb_buf_tscnt;
sizes[0] = dev->ts_packet_size * dev->ts_packet_count;
alloc_ctxs[0] = dev->alloc_ctx;
*num_buffers = dvb_buf_tscnt;
return 0;
}
@ -108,14 +109,11 @@ static void buffer_finish(struct vb2_buffer *vb)
{
struct cx8802_dev *dev = vb->vb2_queue->drv_priv;
struct cx88_buffer *buf = container_of(vb, struct cx88_buffer, vb);
struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
struct cx88_riscmem *risc = &buf->risc;
if (risc->cpu)
pci_free_consistent(dev->pci, risc->size, risc->cpu, risc->dma);
memset(risc, 0, sizeof(*risc));
dma_unmap_sg(&dev->pci->dev, sgt->sgl, sgt->nents, DMA_FROM_DEVICE);
}
static void buffer_queue(struct vb2_buffer *vb)

11
drivers/media/pci/cx88/cx88-mpeg.c
View File

@ -235,10 +235,6 @@ int cx8802_buf_prepare(struct vb2_queue *q, struct cx8802_dev *dev,
return -EINVAL;
vb2_set_plane_payload(&buf->vb, 0, size);
rc = dma_map_sg(&dev->pci->dev, sgt->sgl, sgt->nents, DMA_FROM_DEVICE);
if (!rc)
return -EIO;
rc = cx88_risc_databuffer(dev->pci, risc, sgt->sgl,
dev->ts_packet_size, dev->ts_packet_count, 0);
if (rc) {
@ -733,6 +729,11 @@ static int cx8802_probe(struct pci_dev *pci_dev,
if (NULL == dev)
goto fail_core;
dev->pci = pci_dev;
dev->alloc_ctx = vb2_dma_sg_init_ctx(&pci_dev->dev);
if (IS_ERR(dev->alloc_ctx)) {
err = PTR_ERR(dev->alloc_ctx);
goto fail_core;
}
dev->core = core;
/* Maintain a reference so cx88-video can query the 8802 device. */
@ -752,6 +753,7 @@ static int cx8802_probe(struct pci_dev *pci_dev,
return 0;
fail_free:
vb2_dma_sg_cleanup_ctx(dev->alloc_ctx);
kfree(dev);
fail_core:
core->dvbdev = NULL;
@ -798,6 +800,7 @@ static void cx8802_remove(struct pci_dev *pci_dev)
/* common */
cx8802_fini_common(dev);
cx88_core_put(dev->core,dev->pci);
vb2_dma_sg_cleanup_ctx(dev->alloc_ctx);
kfree(dev);
}

9
drivers/media/pci/cx88/cx88-vbi.c
View File

@ -120,6 +120,7 @@ static int queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt,
sizes[0] = VBI_LINE_NTSC_COUNT * VBI_LINE_LENGTH * 2;
else
sizes[0] = VBI_LINE_PAL_COUNT * VBI_LINE_LENGTH * 2;
alloc_ctxs[0] = dev->alloc_ctx;
return 0;
}
@ -131,7 +132,6 @@ static int buffer_prepare(struct vb2_buffer *vb)
struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
unsigned int lines;
unsigned int size;
int rc;
if (dev->core->tvnorm & V4L2_STD_525_60)
lines = VBI_LINE_NTSC_COUNT;
@ -142,10 +142,6 @@ static int buffer_prepare(struct vb2_buffer *vb)
return -EINVAL;
vb2_set_plane_payload(vb, 0, size);
rc = dma_map_sg(&dev->pci->dev, sgt->sgl, sgt->nents, DMA_FROM_DEVICE);
if (!rc)
return -EIO;
cx88_risc_buffer(dev->pci, &buf->risc, sgt->sgl,
0, VBI_LINE_LENGTH * lines,
VBI_LINE_LENGTH, 0,
@ -157,14 +153,11 @@ static void buffer_finish(struct vb2_buffer *vb)
{
struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
struct cx88_buffer *buf = container_of(vb, struct cx88_buffer, vb);
struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
struct cx88_riscmem *risc = &buf->risc;
if (risc->cpu)
pci_free_consistent(dev->pci, risc->size, risc->cpu, risc->dma);
memset(risc, 0, sizeof(*risc));
dma_unmap_sg(&dev->pci->dev, sgt->sgl, sgt->nents, DMA_FROM_DEVICE);
}
static void buffer_queue(struct vb2_buffer *vb)

17
drivers/media/pci/cx88/cx88-video.c
View File

@ -440,6 +440,7 @@ static int queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt,
*num_planes = 1;
sizes[0] = (dev->fmt->depth * core->width * core->height) >> 3;
alloc_ctxs[0] = dev->alloc_ctx;
return 0;
}
@ -449,7 +450,6 @@ static int buffer_prepare(struct vb2_buffer *vb)
struct cx88_core *core = dev->core;
struct cx88_buffer *buf = container_of(vb, struct cx88_buffer, vb);
struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
int rc;
buf->bpl = core->width * dev->fmt->depth >> 3;
@ -457,10 +457,6 @@ static int buffer_prepare(struct vb2_buffer *vb)
return -EINVAL;
vb2_set_plane_payload(vb, 0, core->height * buf->bpl);
rc = dma_map_sg(&dev->pci->dev, sgt->sgl, sgt->nents, DMA_FROM_DEVICE);
if (!rc)
return -EIO;
switch (core->field) {
case V4L2_FIELD_TOP:
cx88_risc_buffer(dev->pci, &buf->risc,
@ -505,14 +501,11 @@ static void buffer_finish(struct vb2_buffer *vb)
{
struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
struct cx88_buffer *buf = container_of(vb, struct cx88_buffer, vb);
struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
struct cx88_riscmem *risc = &buf->risc;
if (risc->cpu)
pci_free_consistent(dev->pci, risc->size, risc->cpu, risc->dma);
memset(risc, 0, sizeof(*risc));
dma_unmap_sg(&dev->pci->dev, sgt->sgl, sgt->nents, DMA_FROM_DEVICE);
}
static void buffer_queue(struct vb2_buffer *vb)
@ -1345,6 +1338,12 @@ static int cx8800_initdev(struct pci_dev *pci_dev,
err = -EIO;
goto fail_core;
}
dev->alloc_ctx = vb2_dma_sg_init_ctx(&pci_dev->dev);
if (IS_ERR(dev->alloc_ctx)) {
err = PTR_ERR(dev->alloc_ctx);
goto fail_core;
}
/* initialize driver struct */
spin_lock_init(&dev->slock);
@ -1549,6 +1548,7 @@ fail_unreg:
free_irq(pci_dev->irq, dev);
mutex_unlock(&core->lock);
fail_core:
vb2_dma_sg_cleanup_ctx(dev->alloc_ctx);
core->v4ldev = NULL;
cx88_core_put(core,dev->pci);
fail_free:
@ -1582,6 +1582,7 @@ static void cx8800_finidev(struct pci_dev *pci_dev)
/* free memory */
cx88_core_put(core,dev->pci);
vb2_dma_sg_cleanup_ctx(dev->alloc_ctx);
kfree(dev);
}

2
drivers/media/pci/cx88/cx88.h
View File

@ -485,6 +485,7 @@ struct cx8800_dev {
/* pci i/o */
struct pci_dev *pci;
unsigned char pci_rev,pci_lat;
void *alloc_ctx;
const struct cx8800_fmt *fmt;
@ -548,6 +549,7 @@ struct cx8802_dev {
/* pci i/o */
struct pci_dev *pci;
unsigned char pci_rev,pci_lat;
void *alloc_ctx;
/* dma queues */
struct cx88_dmaqueue mpegq;