diff options
-rw-r--r-- | drivers/media/pci/cx88/cx88-blackbird.c | 4 | ||||
-rw-r--r-- | drivers/media/pci/cx88/cx88-dvb.c | 4 | ||||
-rw-r--r-- | drivers/media/pci/cx88/cx88-mpeg.c | 11 | ||||
-rw-r--r-- | drivers/media/pci/cx88/cx88-vbi.c | 9 | ||||
-rw-r--r-- | drivers/media/pci/cx88/cx88-video.c | 17 | ||||
-rw-r--r-- | drivers/media/pci/cx88/cx88.h | 2 |
6 files changed, 21 insertions, 26 deletions
diff --git a/drivers/media/pci/cx88/cx88-blackbird.c b/drivers/media/pci/cx88/cx88-blackbird.c index 4160ca4..d3c79d9 100644 --- a/drivers/media/pci/cx88/cx88-blackbird.c +++ b/drivers/media/pci/cx88/cx88-blackbird.c @@ -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) diff --git a/drivers/media/pci/cx88/cx88-dvb.c b/drivers/media/pci/cx88/cx88-dvb.c index c344bfd..5780e2f 100644 --- a/drivers/media/pci/cx88/cx88-dvb.c +++ b/drivers/media/pci/cx88/cx88-dvb.c @@ -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) diff --git a/drivers/media/pci/cx88/cx88-mpeg.c b/drivers/media/pci/cx88/cx88-mpeg.c index f181a3a..1c1f69e 100644 --- a/drivers/media/pci/cx88/cx88-mpeg.c +++ b/drivers/media/pci/cx88/cx88-mpeg.c @@ -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); } diff --git a/drivers/media/pci/cx88/cx88-vbi.c b/drivers/media/pci/cx88/cx88-vbi.c index 6ab6e27..32eb7fd 100644 --- a/drivers/media/pci/cx88/cx88-vbi.c +++ b/drivers/media/pci/cx88/cx88-vbi.c @@ -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) diff --git a/drivers/media/pci/cx88/cx88-video.c b/drivers/media/pci/cx88/cx88-video.c index a64ae31..25a4b7f31 100644 --- a/drivers/media/pci/cx88/cx88-video.c +++ b/drivers/media/pci/cx88/cx88-video.c @@ -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); } diff --git a/drivers/media/pci/cx88/cx88.h b/drivers/media/pci/cx88/cx88.h index 3b0ae75..7748ca9 100644 --- a/drivers/media/pci/cx88/cx88.h +++ b/drivers/media/pci/cx88/cx88.h @@ -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; |