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/drivers/staging/media/atomisp/
Dnotes.txt9 Memory is allocated by the hmm code. hmm_alloc() returns an ISP virtual
11 the hmm code finds the backing hmm-buffer-object (hmm_bo) by looking
14 The actual processing pipeline is made by loading one or more programs,
16 different binaries. Binaries are picked by filling a ia_css_binary_descr
24 (it is enabled by default) only the preview binary is loaded.
35 a camera_mipi_info struct. This struct is allocated/managed by
37 are filled by the atomisp core itself, like e.g. the port number.
39 Other members of camera_mipi_info which are set by some drivers are:
40 -metadata_width, metadata_height, metadata_effective_width, set by
41 the ov5693 driver (and used by the atomisp core)
[all …]
/drivers/staging/greybus/Documentation/firmware/
Dfirmware-management10 All firmware packages on the Modules or Interfaces are managed by a special
11 Firmware Management Protocol. To support Firmware Management by the AP, the
61 be used by the user to identify the right character device for it. The class
76 The Character device (gb-fw-mgmt-0 in example) can be opened by the userspace
142 This ioctl shall be used by the user to get the version and firmware-tag of
144 fw_mgmt_ioc_get_fw' are filled by the kernel.
148 This ioctl shall be used by the user to get the version of a currently
149 running Backend Interface Firmware identified by a firmware-tag. The user is
151 in this case. The 'major' and 'minor' fields are set by the kernel in
156 This ioctl shall be used by the user to load an Interface Firmware package on
[all …]
/drivers/char/mwave/
DREADME5 are not saved by the BIOS and so do not persist after unload and reload.
18 If the dsp irq has not been setup and stored in bios by the
20 irq used by the dsp to be configured.
23 If the dsp io range has not been setup and stored in bios by the
25 io range used by the dsp to be configured.
28 If the mwave's uart irq has not been setup and stored in bios by the
30 irq used by the mwave uart to be configured.
33 If the uart io range has not been setup and stored in bios by the
35 io range used by the mwave uart to be configured.
/drivers/media/v4l2-core/
DKconfig18 This API is mostly used by camera interfaces in embedded platforms.
35 # Used by drivers that need tuner.ko
39 # Used by drivers that need v4l2-jpeg.ko
43 # Used by drivers that need v4l2-h264.ko
47 # Used by drivers that need v4l2-vp9.ko
51 # Used by drivers that need v4l2-mem2mem.ko
56 # Used by LED subsystem flash drivers
86 # Used by drivers that need Videobuf modules
/drivers/iio/buffer/
DKconfig10 Should be selected by any drivers that do in-kernel push
16 Provides the generic IIO DMA buffer infrastructure that can be used by
19 Should be selected by drivers that want to use the generic DMA buffer
27 DMAEngine framework. This can be used by converter drivers with a DMA port
28 connected to an external DMA controller which is supported by the
31 Should be selected by drivers that want to use this functionality.
38 are handled by hardware.
40 Should be selected by drivers that want to use the generic Hw consumer
/drivers/leds/trigger/
DKconfig15 This allows LEDs to be controlled by a programmable timer
39 This allows LEDs to be controlled by disk activity.
46 This allows LEDs to be controlled by MTD activity.
52 This allows LEDs to be controlled by a CPU load average.
69 This allows LEDs to be controlled by active CPUs. This shows
78 This allows LEDs to be controlled by an immediate CPU usage.
88 This allows LEDs to be controlled by gpio events. It's good
91 be triggered by this trigger when user slides up to show
116 This enables direct flash/torch on/off by the driver, kernel space.
132 This allows LEDs to be controlled by network device activity.
[all …]
/drivers/firmware/efi/
DKconfig18 else supported by pstore to EFI variables.
21 bool "Disable using efivars as a pstore backend by default"
26 backend for pstore by default. This setting can be overridden
42 resource, and set aside for direct-access (device-dax) by
44 the page allocator by system administrator policy via the
46 memory as "System RAM" by default.
60 ranges used by the kernel are writable and executable.
89 decompressed and executed by the loader as well, provided that the
91 is supported by the encapsulated image. (The compression algorithm
101 memory from the EFI System Partition by the stub.
[all …]
/drivers/clk/ingenic/
DKconfig13 Support the clocks provided by the CGU hardware on Ingenic JZ4740
23 Support the clocks provided by the CGU hardware on Ingenic JZ4755
33 Support the clocks provided by the CGU hardware on Ingenic JZ4725B
43 Support the clocks provided by the CGU hardware on Ingenic JZ4760
53 Support the clocks provided by the CGU hardware on Ingenic JZ4770
63 Support the clocks provided by the CGU hardware on Ingenic JZ4780
73 Support the clocks provided by the CGU hardware on Ingenic X1000
83 Support the clocks provided by the CGU hardware on Ingenic X1830
/drivers/staging/axis-fifo/
Daxis-fifo.txt28 - xlnx,axis-tdest-width: AXI-Stream TDEST width (ignored by the driver)
29 - xlnx,axis-tid-width: AXI-Stream TID width (ignored by the driver)
30 - xlnx,axis-tuser-width: AXI-Stream TUSER width (ignored by the driver)
31 - xlnx,data-interface-type: Should be <0x0> (ignored by the driver)
39 (ignored by the driver)
41 (ignored by the driver)
42 - xlnx,s-axi-id-width: Should be <0x4> (ignored by the driver)
43 - xlnx,s-axi4-data-width: Should be <0x20> (ignored by the driver)
44 - xlnx,select-xpm: Should be <0x0> (ignored by the driver)
47 (ignored by the driver)
[all …]
/drivers/dax/
DKconfig25 driver consumes memory ranges allocated and exported by the
39 memory from typical usage by default. This driver creates
52 CXL RAM regions are either mapped by platform-firmware
54 by platform-firmware as "Soft Reserved", or dynamically provisioned
55 after boot by the CXL driver. In the latter two cases a device-dax
56 instance is created to access that unmapped-by-default address range.
72 easier use of persistent memory by unmodified applications, or
74 (HMEM) marked "reserved" by platform firmware.
/drivers/staging/vc04_services/
DKconfig10 by the Raspberry PI.
23 used by audio/video and camera drivers as well as for implementing MMAL
24 API, which is in turn used by several multimedia services on the BCM2835
35 by userspace libraries and testing tools to interact with VideoCore, via
37 This can be set to 'N' if the VideoCore communication is not needed by
38 userspace but only by other kernel modules (like bcm2835-audio). If not
/drivers/iommu/intel/
DKconfig28 and include PCI device scope covered by these DMA
55 to access DMA resources through process address space by
59 bool "Enable Intel DMA Remapping Devices by default"
64 be enabled by passing intel_iommu=on to the kernel.
87 bool "Enable Intel IOMMU scalable mode by default"
90 Selecting this option will enable by default the scalable mode if
92 VT-d 3.0. The scalable mode capability could be checked by reading
94 is not selected, scalable mode support could also be enabled by
/drivers/media/usb/pwc/
DKconfig21 The PCA635, PCVC665 and PCVC720/20 are not supported by this driver
22 and never will be, but the 665 and 720/20 are supported by other
25 Some newer logitech webcams are not handled by this driver but by the
28 The built-in microphone is enabled by selecting USB Audio support.
/drivers/block/rnbd/
DREADME14 I/O is transferred between client and server by the RTRS transport
36 a pair of a source and a destination IPs, separated by comma. Multiple
51 to the block device on the server side by concatenating dev_search_path
69 2. Client requests to open a device by sending RNBD_MSG_OPEN message. This
76 message contains device id, provided by server in his rnbd_msg_open_rsp,
79 4. Client closes a device by sending RNBD_MSG_CLOSE which contains only the
80 device id provided by the server.
/drivers/cxl/
DKconfig24 PCI "memory controller" base class of devices. Device's identified by
30 devices enumerated by the memory device class code for configuration
46 numbers. The mismatch is either by omission, specification is too new,
47 or by design. When prototyping new hardware, or developing / debugging
50 potential impact to memory currently in use by the kernel.
61 published by a platform's ACPI CXL memory layout description. See
67 Memory regions to be managed by LIBNVDIMM.
117 region is defined by one or more CXL expanders that decode a given
118 system-physical address range. For CXL regions established by
121 range. Otherwise, platform-firmware managed CXL is enabled by being
/drivers/usb/core/
DKconfig11 usually used by distro vendors to help with debugging and to
21 bool "Enable USB persist by default"
25 enabled by default. If you say N it will make suspended USB
43 no more than 30 seconds (as required by the USB OTG spec).
65 or a host. The initial role is decided by the type of
78 rejected during enumeration. This behavior is required by the
89 and software costs by not supporting external hubs. So
104 This driver allows LEDs to be controlled by USB events. Enabling this
/drivers/phy/marvell/
DKconfig37 used by various controllers: Ethernet, SATA, USB3, PCIe.
56 used by various controllers (Ethernet, sata, usb, PCIe...).
67 lanes can be used by various controllers (Ethernet, sata, usb,
91 The PHY driver will be used by Marvell ehci driver.
102 The PHY driver will be used by Marvell udc/ehci/otg driver.
113 The PHY driver will be used by Marvell udc/ehci/otg driver.
124 The PHY driver will be used by Marvell udc/ehci/otg driver.
/drivers/media/platform/ti/
DKconfig6 # These will be selected by VPE and VIP
34 bool "Media Controller centric mode by default"
38 Enables Media Controller centric mode by default.
40 If set, CAL driver will start in Media Controller mode by
/drivers/net/wireless/marvell/libertas/
DREADME7 This software file (the "File") is distributed by Marvell International
26 o. Load driver by using the following command:
119 Each event is represented by a filename. Each filename consists of the
138 event is subscribed by default. The default value of MissedBeacons is
145 At initialization, the MAX_FAIL event is NOT subscribed by
150 above a threshold, specified by Value.
154 below a threshold, specified by Value.
158 above a threshold, specified by Value.
162 below a threshold, specified by Value.
226 will be displayed upon completion by use of the getscantable ioctl.
/drivers/staging/media/av7110/
Daudio_data_types.rst26 AUDIO_SOURCE_DEMUX selects the demultiplexer (fed either by the
34 The following values can be returned by the AUDIO_GET_STATUS call
49 The audio channel selected via AUDIO_CHANNEL_SELECT is determined by
85 The following structure is used by the AUDIO_SET_MIXER call to set the
Dvideo_types.rst15 The ``video_format_t`` data type defined by
28 data structures video_status (??) returned by VIDEO_GET_STATUS (??)
29 and video_event (??) returned by VIDEO_GET_EVENT (??) which report
74 VIDEO_SOURCE_DEMUX selects the demultiplexer (fed either by the
85 The following values can be returned by the VIDEO_GET_STATUS call
103 The structure must be zeroed before use by the application This ensures
154 The following is the structure of a video event as it is returned by the
/drivers/thunderbolt/
DKconfig22 bool "Enable write by debugfs to configuration spaces (DANGEROUS)"
37 validation during manufacturing. Should not be enabled by distro
50 connection. Loopback connection can be done by either special
51 dongle that has TX/RX lines crossed, or by simply connecting a
/drivers/pinctrl/aspeed/
DKconfig17 generation SoCs. GPIO is provided by a separate GPIO driver.
25 generation SoCs. GPIO is provided by a separate GPIO driver.
33 generation SoCs. GPIO is provided by a separate GPIO driver.
/drivers/pci/
DKconfig49 by using the 'pci=nomsi' option. This disables MSI for the
62 Disable this only if your target machine is unaffected by PCI
82 re-allocate PCI resources if SR-IOV BARs have not been allocated by
135 I/O Virtualization is a PCI feature supported by some devices
154 Process Address Space Identifiers (PASIDs) can be used by PCI devices
175 the hierarchy where peer-to-peer DMA is guaranteed by the PCI
224 This is a compile-time setting and can be overridden by the above
246 will use the largest MPS that's supported by all devices. This
255 keep all switches/bridges to the max MPS supported by their
262 Set MPS = 128 for all devices. MPS configuration effected by the
/drivers/net/wan/
DKconfig31 Network) card supported by this driver and you are planning to
102 Driver for PCI200SYN cards by Goramo sp. j.
116 Driver for wanXL PCI cards by SBE Inc.
130 Allows you to rebuild firmware run by the QUICC processor.
139 Alternative driver for PC300 RSV/X21 PCI cards made by
152 Driver for RISCom/N2 single or dual channel ISA cards by
158 Note that N2csu and N2dds cards are not supported by this driver.
169 Driver for C101 SuperSync ISA cards by Moxa Technologies Co., Ltd.
183 Support for the FarSync T-Series X.21 (and V.35/V.24) cards by

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