media: bttv: convert to vb2

Convert this driver from the old videobuf framework to videobuf2.

Signed-off-by: Deborah Brouwer <deborah.brouwer@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

Author: deborahbrouwer

drivers/media/pci/bt8xx/Kconfig

@@ -3,7 +3,7 @@ config VIDEO_BT848
 	tristate "BT848 Video For Linux"
 	depends on PCI && I2C && VIDEO_DEV
 	select I2C_ALGOBIT
-	select VIDEOBUF_DMA_SG
+	select VIDEOBUF2_DMA_SG
 	depends on RC_CORE
 	depends on MEDIA_RADIO_SUPPORT
 	select VIDEO_TUNER

drivers/media/pci/bt8xx/bt848.h

@@ -231,7 +231,15 @@
 
 #define BT848_INT_ETBF         (1<<23)
 
+#define BT848_RISC_VIDEO 1
+#define BT848_RISC_TOP 2
+#define BT848_RISC_VBI 4
+
 #define BT848_INT_RISCS   (0xf<<28)
+#define BT848_INT_RISCS_VIDEO   (BT848_RISC_VIDEO << 28)
+#define BT848_INT_RISCS_TOP   (BT848_RISC_TOP << 28)
+#define BT848_INT_RISCS_VBI   (BT848_RISC_VBI << 28)
+
 #define BT848_INT_RISC_EN (1<<27)
 #define BT848_INT_RACK    (1<<25)
 #define BT848_INT_FIELD   (1<<24)