V4L/DVB (6254): Add videobuf-vmalloc

Adds a newer videobuf-vmalloc module. This module uses the same videobuf controls, but implements memory allocation based on vmalloc methods. With this method, an USB driver can use video-buf, without needing to request memory from the DMA-safe area. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
git-mirror · Oct 10, 2007 · 87b9ad0 · 87b9ad0
1 parent 6bb2790
commit 87b9ad0
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Showing 5 changed files with 434 additions and 1 deletion.
diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig
@@ -134,6 +134,10 @@ config VIDEOBUF_DMA_SG
 	select VIDEOBUF_GEN
 	tristate
 
+config VIDEOBUF_VMALLOC
+	select VIDEOBUF_GEN
+	tristate
+
 config VIDEO_BUF_DVB
 	tristate
 

diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig
@@ -364,7 +364,7 @@ endmenu # encoder / decoder chips
 config VIDEO_VIVI
 	tristate "Virtual Video Driver"
 	depends on VIDEO_V4L2 && !SPARC32 && !SPARC64 && PCI
-	select VIDEOBUF_DMA_SG
+	select VIDEOBUF_VMALLOC
 	default n
 	---help---
 	  Enables a virtual video driver. This device shows a color bar

diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile
@@ -89,6 +89,7 @@ obj-$(CONFIG_TUNER_TEA5761) += tea5761.o
 
 obj-$(CONFIG_VIDEOBUF_GEN) += videobuf-core.o
 obj-$(CONFIG_VIDEOBUF_DMA_SG) += videobuf-dma-sg.o
+obj-$(CONFIG_VIDEOBUF_VMALLOC) += videobuf-vmalloc.o
 obj-$(CONFIG_VIDEO_BUF_DVB) += video-buf-dvb.o
 obj-$(CONFIG_VIDEO_BTCX)  += btcx-risc.o
 obj-$(CONFIG_VIDEO_TVEEPROM) += tveeprom.o