diff options
Diffstat (limited to 'drivers/media/platform/s5p-mfc/s5p_mfc_opr.c')
| -rw-r--r-- | drivers/media/platform/s5p-mfc/s5p_mfc_opr.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr.c b/drivers/media/platform/s5p-mfc/s5p_mfc_opr.c index 6932e90d4065..10f8ac37cecd 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr.c @@ -12,6 +12,7 @@ * published by the Free Software Foundation. */ +#include "s5p_mfc_debug.h" #include "s5p_mfc_opr.h" #include "s5p_mfc_opr_v5.h" #include "s5p_mfc_opr_v6.h" @@ -29,3 +30,32 @@ void s5p_mfc_init_hw_ops(struct s5p_mfc_dev *dev) } dev->mfc_ops = s5p_mfc_ops; } + +int s5p_mfc_alloc_priv_buf(struct device *dev, + struct s5p_mfc_priv_buf *b) +{ + + mfc_debug(3, "Allocating priv: %d\n", b->size); + + b->virt = dma_alloc_coherent(dev, b->size, &b->dma, GFP_KERNEL); + + if (!b->virt) { + mfc_err("Allocating private buffer failed\n"); + return -ENOMEM; + } + + mfc_debug(3, "Allocated addr %p %08x\n", b->virt, b->dma); + return 0; +} + +void s5p_mfc_release_priv_buf(struct device *dev, + struct s5p_mfc_priv_buf *b) +{ + if (b->virt) { + dma_free_coherent(dev, b->size, b->virt, b->dma); + b->virt = NULL; + b->dma = 0; + b->size = 0; + } +} + |