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# SPDX-License-Identifier: GPL-2.0-only
config VIDEO_IVTV
tristate "Conexant cx23416/cx23415 MPEG encoder/decoder support"
depends on VIDEO_DEV && PCI && I2C
select I2C_ALGOBIT
depends on RC_CORE
select VIDEO_TUNER
select VIDEO_TVEEPROM
select VIDEO_CX2341X
select VIDEO_CX25840
select VIDEO_MSP3400
select VIDEO_SAA711X
select VIDEO_SAA717X
select VIDEO_SAA7127
select VIDEO_CS53L32A
select VIDEO_M52790
select VIDEO_WM8775
select VIDEO_WM8739
select VIDEO_VP27SMPX
select VIDEO_UPD64031A
select VIDEO_UPD64083
help
This is a video4linux driver for Conexant cx23416 or cx23415 based
PCI personal video recorder devices.
This is used in devices such as the Hauppauge PVR-150/250/350/500
cards.
To compile this driver as a module, choose M here: the
module will be called ivtv.
config VIDEO_IVTV_ALSA
tristate "Conexant cx23415/cx23416 ALSA interface for PCM audio capture"
depends on VIDEO_IVTV && SND
select SND_PCM
help
This driver provides an ALSA interface as another method for user
applications to obtain PCM audio data from Conexant cx23415/cx23416
based PCI TV cards supported by the ivtv driver.
The ALSA interface has much wider use in user applications performing
PCM audio capture, than the V4L2 "/dev/video24" PCM audio interface
provided by the main ivtv driver.
To compile this driver as a module, choose M here: the
module will be called ivtv-alsa.
config VIDEO_FB_IVTV
tristate "Conexant cx23415 framebuffer support"
depends on VIDEO_IVTV && FB
select FB_IOMEM_HELPERS
help
This is a framebuffer driver for the Conexant cx23415 MPEG
encoder/decoder.
This is used in the Hauppauge PVR-350 card.
To compile this driver as a module, choose M here: the
module will be called ivtvfb.
config VIDEO_FB_IVTV_FORCE_PAT
bool "force cx23415 framebuffer init with x86 PAT enabled"
depends on VIDEO_FB_IVTV && X86_PAT
help
With PAT enabled, the cx23415 framebuffer driver does not
utilize write-combined caching on the framebuffer memory.
For this reason, the driver will by default disable itself
when initializied on a kernel with PAT enabled (i.e. not
using the nopat kernel parameter).
The driver is not easily upgradable to the PAT-aware
ioremap_wc() API since the firmware hides the address
ranges that should be marked write-combined from the driver.
With this setting enabled, the framebuffer will initialize on
PAT-enabled systems but the framebuffer memory will be uncached.
If unsure, say N.
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