media: davinci: deprecate dm644x_ccdc, dm355_cddc and dm365_isif

Deprecate the dm644x_ccdc, dm355_cddc and dm365_isif davinci drivers:
all three depend on the vpfe_capture driver, and that driver does not
use the vb2 framework for video streaming, instead it uses the old
videobuf framework.

We want to get rid of these old drivers, so deprecated these for future
removal.

Note that include/media/davinci/vpfe_capture.h can't be moved to staging
since it is used in arch/arm/mach-davinci/davinci.h.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

MAINTAINERS

@@ -20329,6 +20329,7 @@ W:	https://linuxtv.org
 Q:	http://patchwork.linuxtv.org/project/linux-media/list/
 T:	git git://linuxtv.org/mhadli/v4l-dvb-davinci_devices.git
 F:	drivers/media/platform/ti/davinci/
+F:	drivers/staging/media/deprecated/vpfe_capture/
 F:	include/media/davinci/
 
 TI ENHANCED QUADRATURE ENCODER PULSE (eQEP) DRIVER

drivers/media/platform/ti/davinci/Kconfig

@@ -32,55 +32,6 @@ config VIDEO_DAVINCI_VPIF_CAPTURE
 	  To compile this driver as a module, choose M here. There will
 	  be two modules called vpif.ko and vpif_capture.ko
 
-config VIDEO_DM6446_CCDC
-	tristate "TI DM6446 CCDC video capture driver"
-	depends on V4L_PLATFORM_DRIVERS
-	depends on VIDEO_DEV
-	depends on ARCH_DAVINCI || COMPILE_TEST
-	depends on I2C
-	select VIDEOBUF_DMA_CONTIG
-	help
-	   Enables DaVinci CCD hw module. DaVinci CCDC hw interfaces
-	   with decoder modules such as TVP5146 over BT656 or
-	   sensor module such as MT9T001 over a raw interface. This
-	   module configures the interface and CCDC/ISIF to do
-	   video frame capture from slave decoders.
-
-	   To compile this driver as a module, choose M here. There will
-	   be three modules called vpfe_capture.ko, vpss.ko and dm644x_ccdc.ko
-
-config VIDEO_DM355_CCDC
-	tristate "TI DM355 CCDC video capture driver"
-	depends on V4L_PLATFORM_DRIVERS
-	depends on VIDEO_DEV
-	depends on ARCH_DAVINCI || COMPILE_TEST
-	depends on I2C
-	select VIDEOBUF_DMA_CONTIG
-	help
-	   Enables DM355 CCD hw module. DM355 CCDC hw interfaces
-	   with decoder modules such as TVP5146 over BT656 or
-	   sensor module such as MT9T001 over a raw interface. This
-	   module configures the interface and CCDC/ISIF to do
-	   video frame capture from a slave decoders
-
-	   To compile this driver as a module, choose M here. There will
-	   be three modules called vpfe_capture.ko, vpss.ko and dm355_ccdc.ko
-
-config VIDEO_DM365_ISIF
-	tristate "TI DM365 ISIF video capture driver"
-	depends on V4L_PLATFORM_DRIVERS
-	depends on VIDEO_DEV
-	depends on ARCH_DAVINCI || COMPILE_TEST
-	depends on I2C
-	select VIDEOBUF_DMA_CONTIG
-	help
-	   Enables ISIF hw module. This is the hardware module for
-	   configuring ISIF in VPFE to capture Raw Bayer RGB data from
-	   a image sensor or YUV data from a YUV source.
-
-	   To compile this driver as a module, choose M here. There will
-	   be three modules called vpfe_capture.ko, vpss.ko and isif.ko
-
 config VIDEO_DAVINCI_VPBE_DISPLAY
 	tristate "TI DaVinci VPBE V4L2-Display driver"
 	depends on V4L_PLATFORM_DRIVERS

drivers/media/platform/ti/davinci/Makefile

@@ -8,9 +8,5 @@ obj-$(CONFIG_VIDEO_DAVINCI_VPIF_DISPLAY) += vpif.o vpif_display.o
 #VPIF Capture driver
 obj-$(CONFIG_VIDEO_DAVINCI_VPIF_CAPTURE) += vpif.o vpif_capture.o
 
-# Capture: DM6446 and DM355
-obj-$(CONFIG_VIDEO_DM6446_CCDC) += vpfe_capture.o vpss.o dm644x_ccdc.o
-obj-$(CONFIG_VIDEO_DM355_CCDC) += vpfe_capture.o vpss.o dm355_ccdc.o
-obj-$(CONFIG_VIDEO_DM365_ISIF) += vpfe_capture.o vpss.o isif.o
 obj-$(CONFIG_VIDEO_DAVINCI_VPBE_DISPLAY) += vpss.o vpbe.o vpbe_osd.o \
 	vpbe_venc.o vpbe_display.o

drivers/staging/media/Kconfig

@@ -60,6 +60,7 @@ source "drivers/staging/media/deprecated/fsl-viu/Kconfig"
 source "drivers/staging/media/deprecated/meye/Kconfig"
 source "drivers/staging/media/deprecated/stkwebcam/Kconfig"
 source "drivers/staging/media/deprecated/tm6000/Kconfig"
+source "drivers/staging/media/deprecated/vpfe_capture/Kconfig"
 source "drivers/staging/media/deprecated/zr364xx/Kconfig"
 endif
 

drivers/staging/media/Makefile

@@ -16,3 +16,4 @@ obj-$(CONFIG_VIDEO_TM6000)	+= deprecated/tm6000/
 obj-$(CONFIG_VIDEO_VIU)		+= deprecated/fsl-viu/
 obj-$(CONFIG_USB_ZR364XX)	+= deprecated/zr364xx/
 obj-$(CONFIG_DVB_AV7110)	+= av7110/
+obj-y += deprecated/vpfe_capture/

drivers/staging/media/deprecated/vpfe_capture/Kconfig

@@ -0,0 +1,58 @@
+# SPDX-License-Identifier: GPL-2.0-only
+config VIDEO_DM6446_CCDC
+	tristate "TI DM6446 CCDC video capture driver"
+	depends on V4L_PLATFORM_DRIVERS
+	depends on VIDEO_DEV
+	depends on ARCH_DAVINCI || COMPILE_TEST
+	depends on I2C
+	select VIDEOBUF_DMA_CONTIG
+	help
+	  Enables DaVinci CCD hw module. DaVinci CCDC hw interfaces
+	  with decoder modules such as TVP5146 over BT656 or
+	  sensor module such as MT9T001 over a raw interface. This
+	  module configures the interface and CCDC/ISIF to do
+	  video frame capture from slave decoders.
+
+	  This driver is deprecated and is scheduled for removal by
+	  the beginning of 2023. See the TODO file for more information.
+
+	  To compile this driver as a module, choose M here. There will
+	  be two modules called vpfe_capture.ko and dm644x_ccdc.ko
+
+config VIDEO_DM355_CCDC
+	tristate "TI DM355 CCDC video capture driver"
+	depends on V4L_PLATFORM_DRIVERS
+	depends on VIDEO_DEV
+	depends on ARCH_DAVINCI || COMPILE_TEST
+	depends on I2C
+	select VIDEOBUF_DMA_CONTIG
+	help
+	  Enables DM355 CCD hw module. DM355 CCDC hw interfaces
+	  with decoder modules such as TVP5146 over BT656 or
+	  sensor module such as MT9T001 over a raw interface. This
+	  module configures the interface and CCDC/ISIF to do
+	  video frame capture from a slave decoders
+
+	  This driver is deprecated and is scheduled for removal by
+	  the beginning of 2023. See the TODO file for more information.
+
+	  To compile this driver as a module, choose M here. There will
+	  be two modules called vpfe_capture.ko and dm355_ccdc.ko
+
+config VIDEO_DM365_ISIF
+	tristate "TI DM365 ISIF video capture driver"
+	depends on V4L_PLATFORM_DRIVERS
+	depends on VIDEO_DEV
+	depends on ARCH_DAVINCI || COMPILE_TEST
+	depends on I2C
+	select VIDEOBUF_DMA_CONTIG
+	help
+	  Enables ISIF hw module. This is the hardware module for
+	  configuring ISIF in VPFE to capture Raw Bayer RGB data from
+	  a image sensor or YUV data from a YUV source.
+
+	  This driver is deprecated and is scheduled for removal by
+	  the beginning of 2023. See the TODO file for more information.
+
+	  To compile this driver as a module, choose M here. There will
+	  be two modules called vpfe_capture.ko and isif.ko

drivers/staging/media/deprecated/vpfe_capture/Makefile

@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_VIDEO_DM6446_CCDC) += vpfe_capture.o dm644x_ccdc.o
+obj-$(CONFIG_VIDEO_DM355_CCDC) += vpfe_capture.o dm355_ccdc.o
+obj-$(CONFIG_VIDEO_DM365_ISIF) += vpfe_capture.o isif.o

drivers/staging/media/deprecated/vpfe_capture/TODO

@@ -0,0 +1,7 @@
+These are one of the few drivers still not using the vb2
+framework, so these drivers are now deprecated with the intent of
+removing them altogether by the beginning of 2023.
+
+In order to keep these drivers they have to be converted to vb2.
+If someone is interested in doing this work, then contact the
+linux-media mailinglist (https://linuxtv.org/lists.php).

drivers/staging/media/deprecated/vpfe_capture/dm355_ccdc.c

@@ -22,7 +22,7 @@
 #include <linux/err.h>
 #include <linux/module.h>
 
-#include <media/davinci/dm355_ccdc.h>
+#include "dm355_ccdc.h"
 #include <media/davinci/vpss.h>
 
 #include "dm355_ccdc_regs.h"

drivers/staging/media/deprecated/vpfe_capture/dm644x_ccdc.c

@@ -24,7 +24,7 @@
 #include <linux/err.h>
 #include <linux/module.h>
 
-#include <media/davinci/dm644x_ccdc.h>
+#include "dm644x_ccdc.h"
 #include <media/davinci/vpss.h>
 
 #include "dm644x_ccdc_regs.h"

drivers/staging/media/deprecated/vpfe_capture/isif.c

@@ -22,7 +22,7 @@
 #include <linux/err.h>
 #include <linux/module.h>
 
-#include <media/davinci/isif.h>
+#include "isif.h"
 #include <media/davinci/vpss.h>
 
 #include "isif_regs.h"