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Set struct fb_ops and with FB_DEFAULT_IOMEM_OPS, fbdev's initializer for I/O memory. Sets the callbacks to the cfb_ and fb_io_ functions. Select the correct modules with Kconfig's FB_IOMEM_HELPERS token. The macro and token set the currently selected values, so there is no functional change. v3: * use _IOMEM_ in commit message v2: * updated to use _IOMEM_ tokens Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Helge Deller <deller@gmx.de> Cc: Hans Verkuil <hverkuil@xs4all.nl> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230803184034.6456-2-tzimmermann@suse.de
42 lines
1.3 KiB
Plaintext
42 lines
1.3 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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config VIDEO_VIVID
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tristate "Virtual Video Test Driver"
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depends on VIDEO_DEV && !SPARC32 && !SPARC64 && FB
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depends on HAS_DMA
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select FB_IOMEM_HELPERS
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select FONT_SUPPORT
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select FONT_8x16
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select VIDEOBUF2_VMALLOC
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select VIDEOBUF2_DMA_CONTIG
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select VIDEO_V4L2_TPG
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select MEDIA_CONTROLLER
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select MEDIA_CONTROLLER_REQUEST_API
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help
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Enables a virtual video driver. This driver emulates a webcam,
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TV, S-Video and HDMI capture hardware, including VBI support for
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the SDTV inputs. Also video output, VBI output, radio receivers,
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transmitters and software defined radio capture is emulated.
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It is highly configurable and is ideal for testing applications.
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Error injection is supported to test rare errors that are hard
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to reproduce in real hardware.
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Say Y here if you want to test video apps or debug V4L devices.
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When in doubt, say N.
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config VIDEO_VIVID_CEC
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bool "Enable CEC emulation support"
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depends on VIDEO_VIVID
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select CEC_CORE
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help
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When selected the vivid module will emulate the optional
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HDMI CEC feature.
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config VIDEO_VIVID_MAX_DEVS
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int "Maximum number of devices"
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depends on VIDEO_VIVID
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default "64"
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help
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This allows you to specify the maximum number of devices supported
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by the vivid driver.
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