| /linux/Documentation/devicetree/bindings/iommu/ |
| H A D | qcom,tbu.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iommu/qcom,tbu.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Georgi Djakov <quic_c_gdjako@quicinc.com>
21 - qcom,sc7280-tbu
22 - qcom,sdm845-tbu
33 power-domains:
36 qcom,stream-id-range:
38 Phandle of a SMMU device and Stream ID range (address and size) that
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| /linux/Documentation/userspace-api/media/v4l/ |
| H A D | ext-ctrls-codec.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _codec-controls:
24 .. _mpeg-control-id:
27 -----------------
35 .. _v4l2-mpeg-stream-type:
40 enum v4l2_mpeg_stream_type -
41 The MPEG-1, -2 or -4 output stream type. One cannot assume anything
43 of the available MPEG stream types. This control is specific to
44 multiplexed MPEG streams. The currently defined stream types are:
48 .. flat-table::
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| H A D | extended-controls.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _extended-controls:
22 relating to how the video is encoded into an MPEG stream are specific to
24 of the resulting MPEG stream, not how the video is actually encoded into
71 it also allows for 64-bit values and pointers to be passed.
75 such as N-dimensional arrays and/or structures. You need to specify the
83 particular, this ioctl gives the dimensions of the N-dimensional array if
90 supported in the driver and what the valid range of values is. So use
97 support a wider range.
110 .. code-block:: c
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| /linux/Documentation/devicetree/bindings/dma/xilinx/ |
| H A D | xilinx_dma.txt | 6 Xilinx AXI DMA engine, it does transfers between memory and AXI4 stream
11 Xilinx AXI CDMA engine, it does transfers between memory-mapped source
12 address and a memory-mapped destination address.
14 Xilinx AXI MCDMA engine, it does transfer between memory and AXI4 stream
19 - compatible: Should be one of-
20 "xlnx,axi-vdma-1.00.a"
21 "xlnx,axi-dma-1.00.a"
22 "xlnx,axi-cdma-1.00.a"
23 "xlnx,axi-mcdma-1.00.a"
24 - #dma-cells: Should be <1>, see "dmas" property below
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| /linux/drivers/gpu/drm/amd/display/modules/freesync/ |
| H A D | freesync.c | 2 * Copyright 2016-2023 Advanced Micro Devices, Inc.
38 /* Threshold to exit/exit BTR (to avoid frequent enter-exits at the lower limit) */
72 core_freesync->dc = dc; in mod_freesync_create()
73 return &core_freesync->public; in mod_freesync_create()
113 const struct dc_stream_state *stream, in calc_duration_in_us_from_v_total() argument
119 * 10000) * stream->timing.h_total, in calc_duration_in_us_from_v_total()
120 stream->timing.pix_clk_100hz)); in calc_duration_in_us_from_v_total()
125 static unsigned int calc_max_hardware_v_total(const struct dc_stream_state *stream) in calc_max_hardware_v_total() argument
127 unsigned int max_hw_v_total = stream->ctx->dc->caps.max_v_total; in calc_max_hardware_v_total()
129 if (stream->ctx->dc->caps.vtotal_limited_by_fp2) { in calc_max_hardware_v_total()
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| /linux/drivers/media/v4l2-core/ |
| H A D | v4l2-ctrls-defs.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (C) 2010-2021 Hans Verkuil <hverkuil-cisco@xs4all.nl>
9 #include <media/v4l2-ctrls.h>
13 * the given control ID. The pointer array ends with a NULL pointer.
17 const char * const *v4l2_ctrl_get_menu(u32 id) in v4l2_ctrl_get_menu() argument
26 "MPEG-1/2 Layer I", in v4l2_ctrl_get_menu()
27 "MPEG-1/2 Layer II", in v4l2_ctrl_get_menu()
28 "MPEG-1/2 Layer III", in v4l2_ctrl_get_menu()
29 "MPEG-2/4 AAC", in v4l2_ctrl_get_menu()
30 "AC-3", in v4l2_ctrl_get_menu()
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| /linux/include/uapi/drm/ |
| H A D | panthor_drm.h | 1 /* SPDX-License-Identifier: MIT */
19 * - Structures must be aligned on 64-bit/8-byte. If the object is not
21 * - Fields must be explicitly aligned to their natural type alignment with
23 * - All padding fields will be checked by the driver to make sure they are
25 * - Flags can be added, but not removed/replaced.
26 * - New fields can be added to the main structures (the structures
31 * - New fields can be added to indirect objects (objects pointed by the
35 * - If the kernel driver is too old to know some fields, those will be
37 * - If userspace is too old to know some fields, those will be zeroed
39 * - Each new flag/field addition must come with a driver version update so
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| H A D | xe_drm.h | 1 /* SPDX-License-Identifier: MIT */
17 * subject to backwards-compatibility constraints.
28 * The diagram below represents a high-level simplification of a discrete
72 * - &DRM_IOCTL_XE_DEVICE_QUERY
73 * - &DRM_IOCTL_XE_GEM_CREATE
74 * - &DRM_IOCTL_XE_GEM_MMAP_OFFSET
75 * - &DRM_IOCTL_XE_VM_CREATE
76 * - &DRM_IOCTL_XE_VM_DESTROY
77 * - &DRM_IOCTL_XE_VM_BIND
78 * - &DRM_IOCTL_XE_EXEC_QUEUE_CREATE
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| /linux/Documentation/trace/ |
| H A D | stm.rst | 1 .. SPDX-License-Identifier: GPL-2.0
8 STP trace stream generator. STP (System Trace Protocol) is a trace
16 On the receiving end of this STP stream (the decoder side), trace
33 have a name (string identifier) and a range of masters and channels
34 associated with it, located in "stp-policy" subsystem directory in
40 $ ls /config/stp-policy/dummy_stm.my-policy/user
42 $ cat /config/stp-policy/dummy_stm.my-policy/user/masters
44 $ cat /config/stp-policy/dummy_stm.my-policy/user/channels
55 be used for trace sources with the id string of "user/dummy".
63 device's file descriptor, providing their id string, before they write
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| /linux/sound/core/ |
| H A D | pcm_lib.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Abramo Bagnara <abramo@alsa-project.org>
43 delta = new_ptr - ptr; in update_silence_vars()
47 delta += runtime->boundary; in update_silence_vars()
48 if ((snd_pcm_uframes_t)delta < runtime->silence_filled) in update_silence_vars()
49 runtime->silence_filled -= delta; in update_silence_vars()
51 runtime->silence_filled = 0; in update_silence_vars()
52 runtime->silence_start = new_ptr; in update_silence_vars()
57 * runtime->silence_start: starting pointer to silence area
58 * runtime->silence_filled: size filled with silence
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| /linux/sound/virtio/ |
| H A D | virtio_pcm.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * virtio-snd: Virtio sound device
84 * virtsnd_pcm_build_hw() - Parse substream config and build HW descriptor.
89 * Return: 0 on success, -EINVAL if configuration is invalid.
94 struct virtio_device *vdev = vss->snd->vdev; in virtsnd_pcm_build_hw()
100 vss->features = le32_to_cpu(info->features); in virtsnd_pcm_build_hw()
104 * only message-based transport. in virtsnd_pcm_build_hw()
106 vss->hw.info = in virtsnd_pcm_build_hw()
116 if (!info->channels_min || info->channels_min > info->channels_max) { in virtsnd_pcm_build_hw()
117 dev_err(&vdev->dev, in virtsnd_pcm_build_hw()
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| /linux/include/sound/sof/ |
| H A D | stream.h | 1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
15 * Stream configuration.
36 /* continuous and non-standard rates for flexibility */
37 #define SOF_RATE_CONTINUOUS (1 << 30) /**< range */
38 #define SOF_RATE_KNOT (1 << 31) /**< non-continuous */
43 /* stream PCM frame format */
52 /* stream buffer format */
59 /* stream direction */
65 /* stream ring info */
87 uint16_t no_stream_position; /**< 1 means don't send stream position */
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| /linux/Documentation/devicetree/bindings/misc/ |
| H A D | xlnx,sd-fec.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/misc/xlnx,sd-fec.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Cvetic, Dragan <dragan.cvetic@amd.com>
11 - Erim, Salih <salih.erim@amd.com>
15 which provides high-throughput LDPC and Turbo Code implementations.
16 The LDPC decode & encode functionality is capable of covering a range of
17 customer specified Quasi-cyclic (QC) codes. The Turbo decode functionality
23 const: xlnx,sd-fec-1.1
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| /linux/include/uapi/sound/ |
| H A D | asound.h | 1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
3 * Advanced Linux Sound Architecture - ALSA - Driver
4 * Copyright (c) 1994-2003 by Jaroslav Kysela <perex@perex.cz>,
5 * Abramo Bagnara <abramo@alsa-project.org>
54 * CEA-86
110 unsigned char id[64]; /* ID (user selectable) */ global() member
119 unsigned char id[32]; /* R: driver-specific ID string */ global() member
334 unsigned char id[16]; global() member
342 int stream; /* RO/WR (control): stream direction */ global() member
344 unsigned char id[64]; /* ID (user selectable) */ global() member
735 int stream; /* WR: stream */ global() member
738 unsigned char id[64]; /* ID (user selectable) */ global() member
772 int stream; global() member
782 int stream; global() member
914 unsigned char id[64]; /* timer identification */ global() member
940 struct snd_timer_id id; /* bind to timer ID */ global() member
947 unsigned char id[64]; /* timer identificator */ global() member
986 unsigned int id; global() member
1062 unsigned char id[16]; /* ID of card (user selectable) */ global() member
1136 struct snd_ctl_elem_id id; /* W: element ID */ global() member
1165 struct snd_ctl_elem_id id; /* W: element ID */ global() member
1244 struct snd_ctl_elem_id id; global() member
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| /linux/tools/perf/trace/beauty/include/uapi/sound/ |
| H A D | asound.h | 1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
3 * Advanced Linux Sound Architecture - ALSA - Driver
4 * Copyright (c) 1994-2003 by Jaroslav Kysela <perex@perex.cz>,
5 * Abramo Bagnara <abramo@alsa-project.org>
54 * CEA-861 Audio InfoFrame. Used in HDMI and DisplayPort *
63 unsigned char db5_dminh_lsv; /* downmix inhibit & level-shit values */
68 * Section for driver hardware dependent interface - /dev/snd/hw? *
91 SNDRV_HWDEP_IFACE_HDA, /* HD-audio */
92 SNDRV_HWDEP_IFACE_USB_STREAM, /* direct access to usb stream */
110 unsigned char id[64]; /* ID (user selectable) */ member
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| /linux/tools/include/uapi/sound/ |
| H A D | asound.h | |
| /linux/drivers/accel/habanalabs/common/ |
| H A D | habanalabs.h | 1 /* SPDX-License-Identifier: GPL-2.0
3 * Copyright 2016-2023 HabanaLabs, Ltd.
19 #include <linux/dma-direction.h>
28 #include <linux/io-64-nonatomic-lo-hi.h>
30 #include <linux/dma-buf.h>
45 * bits[63:59] - Encode mmap type
46 * bits[45:0] - mmap offset value
51 #define HL_MMAP_TYPE_SHIFT (59 - PAGE_SHIFT)
110 * enum hl_mmu_page_table_location - mmu page table location
111 * @MMU_DR_PGT: page-table is located on device DRAM.
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| /linux/Documentation/userspace-api/media/dvb/ |
| H A D | legacy_dvb_audio.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later OR GPL-2.0
35 -----
39 ---------------------
46 .. code-block:: c
56 .. flat-table::
57 :header-rows: 0
58 :stub-columns: 0
60 - ..
62 - ``AUDIO_SOURCE_DEMUX``
64 - :cspan:`1` Selects the demultiplexer (fed either by the frontend
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| /linux/drivers/comedi/drivers/ |
| H A D | cb_pcidda.c | 1 // SPDX-License-Identifier: GPL-2.0+
4 * Driver for the ComputerBoards / MeasurementComputing PCI-DDA series.
9 * COMEDI - Linux Control and Measurement Device Interface
10 * Copyright (C) 1997-8 David A. Schleef <ds@schleef.org>
15 * Description: MeasurementComputing PCI-DDA series
16 * Devices: [Measurement Computing] PCI-DDA08/12 (pci-dda08/12),
17 * PCI-DDA04/12 (pci-dda04/12), PCI-DDA02/12 (pci-dda02/12),
18 * PCI-DDA08/16 (pci-dda08/16), PCI-DDA04/16 (pci-dda04/16),
19 * PCI-DDA02/16 (pci-dda02/16)
46 #define CB_DDA_DA_CTRL_RANGE2V5 (0 << 6) /* 2.5V range */
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| /linux/Documentation/ABI/stable/ |
| H A D | firewire-cdev | 1 What: /dev/fw[0-9]+
4 Contact: linux1394-devel@lists.sourceforge.net
7 firewire-core and IEEE 1394 device drivers implemented in
8 userspace. The ioctl(2)- and read(2)-based ABI is defined and
9 documented in <linux/firewire-cdev.h>.
11 This ABI offers most of the features which firewire-core also
18 - The 1394 node which is associated with the file:
20 - Asynchronous request transmission
21 - Get the Configuration ROM
22 - Query node ID
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| /linux/include/xen/interface/io/ |
| H A D | sndif.h | 1 /* SPDX-License-Identifier: MIT */
5 * Unified sound-device I/O interface for Xen guest OSes.
7 * Copyright (C) 2013-2015 GlobalLogic Inc.
8 * Copyright (C) 2016-2017 EPAM Systems Inc.
34 * Front->back notifications: when enqueuing a new request, sending a
36 * hold-off mechanism provided by the ring macros). Backends must set
39 * Back->front notifications: when enqueuing a new response, sending a
41 * hold-off mechanism provided by the ring macros). Frontends must set
44 * The two halves of a para-virtual sound card driver utilize nodes within
58 * Note: depending on the use-case backend can expose more sound cards and
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| /linux/Documentation/admin-guide/media/ |
| H A D | mgb4.rst | 1 .. SPDX-License-Identifier: GPL-2.0
7 ---------------
10 stream related parameters (some of them must be set properly before the v4l2
11 device can be opened) and obtain the video device/stream status.
13 There are two types of parameters - global / PCI card related, found under
23 | 0 - No module present
24 | 1 - FPDL3
25 | 2 - GMSL
33 | 1 - FPDL3
34 | 2 - GMSL
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| /linux/Documentation/driver-api/media/drivers/ |
| H A D | cx2341x-devel.rst | 1 .. SPDX-License-Identifier: GPL-2.0
7 -----------------------
12 .. note:: the memory long words are little-endian ('intel format').
21 .. code-block:: none
23 ivtvctl -O min=0x02000000,max=0x020000ff
26 register space :-).
35 .. code-block:: none
37 0x00000000-0x00ffffff Encoder memory space
38 0x00000000-0x0003ffff Encode.rom
39 ???-??? MPEG buffer(s)
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| /linux/tools/perf/Documentation/ |
| H A D | perf-script.txt | 1 perf-script(1)
5 ----
6 perf-script - Read perf.data (created by perf record) and display trace output
9 --------
12 'perf script' [<options>] record <script> [<record-options>] <command>
13 'perf script' [<options>] report <script> [script-args]
14 'perf script' [<options>] <script> <required-script-args> [<record-options>] <command>
15 'perf script' [<options>] <top-script> [script-args]
18 -----------
26 You can also run a set of pre-canned scripts that aggregate and
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| /linux/Documentation/networking/ |
| H A D | cdc_mbim.rst | 1 .. SPDX-License-Identifier: GPL-2.0
4 cdc_mbim - Driver for CDC MBIM Mobile Broadband modems
24 -----------
26 :Valid Range: N/Y (0-1)
51 - mbimcli (included with the libmbim [3] library), and
52 - ModemManager [4]
57 - open the control channel
58 - configure network connection settings
59 - connect to network
60 - configure IP interface
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