diff options
| author | Tiffany Lin <tiffany.lin@mediatek.com> | 2016-09-02 09:19:54 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-10-21 10:49:26 -0200 |
| commit | 590577a4e5257ac3ed72999a94666ad6ba8f24bc (patch) | |
| tree | 3c99a611c5b9b6643603dfd44b298fa6a0d33947 /drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c | |
| parent | f3ad804c9dda66fb0087c9e210a23af69377ecb4 (diff) | |
[media] vcodec: mediatek: Add Mediatek V4L2 Video Decoder Driver
Add v4l2 layer decoder driver for MT8173
[mchehab@s-opensource.com: make checkpatch.pl happy]
Signed-off-by: Tiffany Lin <tiffany.lin@mediatek.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c')
| -rw-r--r-- | drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c | 33 |
1 files changed, 28 insertions, 5 deletions
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c index 5e3651372a3c..46768c056193 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c @@ -81,14 +81,37 @@ void mtk_vcodec_mem_free(struct mtk_vcodec_ctx *data, return; } - dma_free_coherent(dev, size, mem->va, mem->dma_addr); - mem->va = NULL; - mem->dma_addr = 0; - mem->size = 0; - mtk_v4l2_debug(3, "[%d] - va = %p", ctx->id, mem->va); mtk_v4l2_debug(3, "[%d] - dma = 0x%lx", ctx->id, (unsigned long)mem->dma_addr); mtk_v4l2_debug(3, "[%d] size = 0x%lx", ctx->id, size); + + dma_free_coherent(dev, size, mem->va, mem->dma_addr); + mem->va = NULL; + mem->dma_addr = 0; + mem->size = 0; } EXPORT_SYMBOL(mtk_vcodec_mem_free); + +void mtk_vcodec_set_curr_ctx(struct mtk_vcodec_dev *dev, + struct mtk_vcodec_ctx *ctx) +{ + unsigned long flags; + + spin_lock_irqsave(&dev->irqlock, flags); + dev->curr_ctx = ctx; + spin_unlock_irqrestore(&dev->irqlock, flags); +} +EXPORT_SYMBOL(mtk_vcodec_set_curr_ctx); + +struct mtk_vcodec_ctx *mtk_vcodec_get_curr_ctx(struct mtk_vcodec_dev *dev) +{ + unsigned long flags; + struct mtk_vcodec_ctx *ctx; + + spin_lock_irqsave(&dev->irqlock, flags); + ctx = dev->curr_ctx; + spin_unlock_irqrestore(&dev->irqlock, flags); + return ctx; +} +EXPORT_SYMBOL(mtk_vcodec_get_curr_ctx); |