media: cpia2: deprecate this driver

Deprecate the cpia2 driver. This driver does not use the vb2 framework
for video streaming, instead it implements its own version.

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

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

12 files changed, 12 insertions, 3 deletions

diff --git a/drivers/media/usb/Kconfig b/drivers/media/usb/Kconfig
index af88e0766388..afbb8dd28b5b 100644
--- a/drivers/media/usb/Kconfig
+++ b/drivers/media/usb/Kconfig
@@ -13,7 +13,6 @@ if MEDIA_USB_SUPPORT
 if MEDIA_CAMERA_SUPPORT
 	comment "Webcam devices"
 
-source "drivers/media/usb/cpia2/Kconfig"
 source "drivers/media/usb/gspca/Kconfig"
 source "drivers/media/usb/pwc/Kconfig"
 source "drivers/media/usb/s2255/Kconfig"
diff --git a/drivers/media/usb/Makefile b/drivers/media/usb/Makefile
index 25fa2015b179..fa8e16ff9b03 100644
--- a/drivers/media/usb/Makefile
+++ b/drivers/media/usb/Makefile
@@ -24,7 +24,6 @@ obj-$(CONFIG_USB_MSI2500) += msi2500/
 obj-$(CONFIG_USB_PWC) += pwc/
 obj-$(CONFIG_USB_VIDEO_CLASS) += uvc/
 obj-$(CONFIG_VIDEO_AU0828) += au0828/
-obj-$(CONFIG_VIDEO_CPIA2) += cpia2/
 obj-$(CONFIG_VIDEO_CX231XX) += cx231xx/
 obj-$(CONFIG_VIDEO_EM28XX) += em28xx/
 obj-$(CONFIG_VIDEO_GO7007) += go7007/
diff --git a/drivers/staging/media/Kconfig b/drivers/staging/media/Kconfig
index cc21b983f954..9781080c6e7d 100644
--- a/drivers/staging/media/Kconfig
+++ b/drivers/staging/media/Kconfig
@@ -55,6 +55,7 @@ menuconfig STAGING_MEDIA_DEPRECATED
 	  If in doubt, say N here.
 
 if STAGING_MEDIA_DEPRECATED
+source "drivers/staging/media/deprecated/cpia2/Kconfig"
 source "drivers/staging/media/deprecated/stkwebcam/Kconfig"
 endif
 
diff --git a/drivers/staging/media/Makefile b/drivers/staging/media/Makefile
index 804875a479be..adcf128d27b4 100644
--- a/drivers/staging/media/Makefile
+++ b/drivers/staging/media/Makefile
@@ -1,5 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_INTEL_ATOMISP)     += atomisp/
+obj-$(CONFIG_VIDEO_CPIA2)	+= deprecated/cpia2/
 obj-$(CONFIG_VIDEO_IMX_MEDIA)	+= imx/
 obj-$(CONFIG_VIDEO_MAX96712)	+= max96712/
 obj-$(CONFIG_VIDEO_MESON_VDEC)	+= meson/vdec/
diff --git a/drivers/media/usb/cpia2/Kconfig b/drivers/staging/media/deprecated/cpia2/Kconfig
index da2c6862b4a2..ee3b25a759d4 100644
--- a/drivers/media/usb/cpia2/Kconfig
+++ b/drivers/staging/media/deprecated/cpia2/Kconfig
@@ -1,10 +1,13 @@
 # SPDX-License-Identifier: GPL-2.0-only
 config VIDEO_CPIA2
-	tristate "CPiA2 Video For Linux"
+	tristate "CPiA2 Video For Linux (DEPRECATED)"
 	depends on USB && VIDEO_DEV
 	help
 	  This is the video4linux driver for cameras based on Vision's CPiA2
 	  (Colour Processor Interface ASIC), such as the Digital Blue QX5
 	  Microscope. If you have one of these cameras, say Y here
 
+	  This driver is deprecated and is scheduled for removal by
+	  the beginning of 2023. See the TODO file for more information.
+
 	  This driver is also available as a module (cpia2).
diff --git a/drivers/media/usb/cpia2/Makefile b/drivers/staging/media/deprecated/cpia2/Makefile
index 05664141f4d7..05664141f4d7 100644
--- a/drivers/media/usb/cpia2/Makefile
+++ b/drivers/staging/media/deprecated/cpia2/Makefile
diff --git a/drivers/staging/media/deprecated/cpia2/TODO b/drivers/staging/media/deprecated/cpia2/TODO
new file mode 100644
index 000000000000..92ac8718d164
--- /dev/null
+++ b/drivers/staging/media/deprecated/cpia2/TODO
@@ -0,0 +1,6 @@
+The cpia2 driver does not use the vb2 framework for streaming
+video, instead it implements this in the driver.
+
+To prevent removal of this driver early 2023 it has to be
+converted to use vb2. Contact the linux-media@vger.kernel.org
+mailing list if you want to do this.
diff --git a/drivers/media/usb/cpia2/cpia2.h b/drivers/staging/media/deprecated/cpia2/cpia2.h
index 57b7f1ea68da..57b7f1ea68da 100644
--- a/drivers/media/usb/cpia2/cpia2.h
+++ b/drivers/staging/media/deprecated/cpia2/cpia2.h
diff --git a/drivers/media/usb/cpia2/cpia2_core.c b/drivers/staging/media/deprecated/cpia2/cpia2_core.c
index b5a2d06fb356..b5a2d06fb356 100644
--- a/drivers/media/usb/cpia2/cpia2_core.c
+++ b/drivers/staging/media/deprecated/cpia2/cpia2_core.c
diff --git a/drivers/media/usb/cpia2/cpia2_registers.h b/drivers/staging/media/deprecated/cpia2/cpia2_registers.h
index 8c73812a15c9..8c73812a15c9 100644
--- a/drivers/media/usb/cpia2/cpia2_registers.h
+++ b/drivers/staging/media/deprecated/cpia2/cpia2_registers.h
diff --git a/drivers/media/usb/cpia2/cpia2_usb.c b/drivers/staging/media/deprecated/cpia2/cpia2_usb.c
index cba03b286473..cba03b286473 100644
--- a/drivers/media/usb/cpia2/cpia2_usb.c
+++ b/drivers/staging/media/deprecated/cpia2/cpia2_usb.c
diff --git a/drivers/media/usb/cpia2/cpia2_v4l.c b/drivers/staging/media/deprecated/cpia2/cpia2_v4l.c
index 926ecfc9b64a..926ecfc9b64a 100644
--- a/drivers/media/usb/cpia2/cpia2_v4l.c
+++ b/drivers/staging/media/deprecated/cpia2/cpia2_v4l.c