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/openbmc/linux/Documentation/userspace-api/media/v4l/
H A Dvidioc-subdev-enum-frame-interval.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_SUBDEV_ENUM_FRAME_INTERVAL - Enumerate frame intervals
34 This ioctl lets applications enumerate available frame intervals on a
35 given sub-device pad. Frame intervals only makes sense for sub-devices
36 that can control the frame period on their own. This includes, for
39 For the common use case of image sensors, the frame intervals available
40 on the sub-device output pad depend on the frame format and size on the
42 when enumerating frame intervals.
44 To enumerate frame intervals applications initialize the ``index``,
49 EINVAL error code if one of the input fields is invalid. All frame
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H A Dvidioc-subdev-enum-frame-size.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_SUBDEV_ENUM_FRAME_SIZE - Enumerate media bus frame sizes
34 This ioctl allows applications to access the enumeration of frame sizes
35 supported by a sub-device on the specified pad
47 Therefore, to enumerate frame sizes allowed on the specified pad
54 A successful call will return with minimum and maximum frame sizes filled in.
59 Sub-devices that only support discrete frame sizes (such as most
60 sensors) will return one or more frame sizes with identical minimum and
64 supported. For instance, a scaler that uses a fixed-point scaling ratio
65 might not be able to produce every frame size between the minimum and
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H A Dvidioc-subdev-g-frame-interval.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_SUBDEV_G_FRAME_INTERVAL - VIDIOC_SUBDEV_S_FRAME_INTERVAL - Get or set the frame interval on …
38 These ioctls are used to get and set the frame interval at specific
39 subdev pads in the image pipeline. The frame interval only makes sense
40 for sub-devices that can control the frame period on their own. This
41 includes, for instance, image sensors and TV tuners. Sub-devices that
42 don't support frame intervals must not implement these ioctls.
44 To retrieve the current frame interval applications set the ``pad``
51 To change the current frame interval applications set both the ``pad``
58 contains the current frame interval as would be returned by a
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H A Dmetafmt-d4xx.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _v4l2-meta-fmt-d4xx:
15 Intel D4xx (D435, D455 and others) cameras include per-frame metadata in their UVC
27 per frame, therefore their headers cannot be larger than 255 bytes.
37 .. flat-table:: D4xx metadata
39 :header-rows: 1
40 :stub-columns: 0
42 * - **Field**
43 - **Description**
44 * - :cspan:`1` *Depth Control*
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H A Dvidioc-subdev-g-fmt.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_SUBDEV_G_FMT - VIDIOC_SUBDEV_S_FMT - Get or set the data format on a subdev pad
38 These ioctls are used to negotiate the frame format at specific subdev
59 and stored in the sub-device file handle. Two applications querying the
60 same sub-device would thus not interact with each other.
62 For instance, to try a format at the output pad of a sub-device,
63 applications would first set the try format at the sub-device input with
70 current links configuration or sub-device controls value. For instance,
71 a low-pass noise filter might crop pixels at the frame boundaries,
72 modifying its output frame size.
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H A Dpixfmt-inzi.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _V4L2-PIX-FMT-INZI:
9 Infrared 10-bit linked with Depth 16-bit images
15 Proprietary multi-planar format used by Intel SR300 Depth cameras, comprise of
16 Infrared image followed by Depth data. The pixel definition is 32-bpp,
22 The first plane - Infrared data - is stored according to
23 :ref:`V4L2_PIX_FMT_Y10 <V4L2-PIX-FMT-Y10>` greyscale format.
24 Each pixel is 16-bit cell, with actual data stored in the 10 LSBs
29 The second plane provides 16-bit per-pixel Depth data arranged in
30 :ref:`V4L2-PIX-FMT-Z16 <V4L2-PIX-FMT-Z16>` format.
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H A Dvidioc-enumstd.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_ENUMSTD - VIDIOC_SUBDEV_ENUMSTD - Enumerate supported video standards
52 .. flat-table:: struct v4l2_standard
53 :header-rows: 0
54 :stub-columns: 0
57 * - __u32
58 - ``index``
59 - Number of the video standard, set by the application.
60 * - :ref:`v4l2_std_id <v4l2-std-id>`
61 - ``id``
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/openbmc/linux/sound/usb/6fire/
H A Dpcm.c1 // SPDX-License-Identifier: GPL-2.0-or-later
64 .period_bytes_min = PCM_N_PACKETS_PER_URB * (PCM_MAX_PACKET_SIZE - 4),
73 struct control_runtime *ctrl_rt = rt->chip->control; in usb6fire_pcm_set_rate()
75 ctrl_rt->usb_streaming = false; in usb6fire_pcm_set_rate()
76 ret = ctrl_rt->update_streaming(ctrl_rt); in usb6fire_pcm_set_rate()
78 dev_err(&rt->chip->dev->dev, in usb6fire_pcm_set_rate()
80 rates[rt->rate]); in usb6fire_pcm_set_rate()
84 ret = ctrl_rt->set_rate(ctrl_rt, rt->rate); in usb6fire_pcm_set_rate()
86 dev_err(&rt->chip->dev->dev, in usb6fire_pcm_set_rate()
88 rates[rt->rate]); in usb6fire_pcm_set_rate()
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/openbmc/linux/sound/usb/caiaq/
H A Daudio.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (c) 2006-2008 Daniel Mack, Karsten Wiese
31 (stream << 1) | (~(i / (cdev->n_streams * BYTES_PER_SAMPLE_USB)) & 1)
52 struct snd_pcm_substream *sub) in activate_substream() argument
54 spin_lock(&cdev->spinlock); in activate_substream()
56 if (sub->stream == SNDRV_PCM_STREAM_PLAYBACK) in activate_substream()
57 cdev->sub_playback[sub->number] = sub; in activate_substream()
59 cdev->sub_capture[sub->number] = sub; in activate_substream()
61 spin_unlock(&cdev->spinlock); in activate_substream()
66 struct snd_pcm_substream *sub) in deactivate_substream() argument
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/openbmc/linux/Documentation/devicetree/bindings/sound/
H A Dcs35l35.txt5 - compatible : "cirrus,cs35l35"
7 - reg : the I2C address of the device for I2C
9 - VA-supply, VP-supply : power supplies for the device,
13 - interrupts : IRQ line info CS35L35.
14 (See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
17 - cirrus,boost-ind-nanohenry: Inductor value for boost converter. The value is
21 - reset-gpios : gpio used to reset the amplifier
23 - cirrus,stereo-config : Boolean to determine if there are 2 AMPs for a
26 - cirrus,audio-channel : Set Location of Audio Signal on Serial Port
30 - cirrus,advisory-channel : Set Location of Advisory Signal on Serial Port
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/openbmc/linux/drivers/usb/gadget/function/
H A Duvc_v4l2.c1 // SPDX-License-Identifier: GPL-2.0+
3 * uvc_v4l2.c -- USB Video Class Gadget driver
5 * Copyright (C) 2009-2010
19 #include <media/v4l2-dev.h>
20 #include <media/v4l2-event.h>
21 #include <media/v4l2-ioctl.h>
36 if (uformat->type == UVCG_UNCOMPRESSED) { in to_uvc_format()
37 unc = to_uvcg_uncompressed(&uformat->group.cg_item); in to_uvc_format()
39 return ERR_PTR(-EINVAL); in to_uvc_format()
41 memcpy(guid, unc->desc.guidFormat, sizeof(guid)); in to_uvc_format()
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/openbmc/linux/arch/arm/kernel/
H A Dstacktrace.c1 // SPDX-License-Identifier: GPL-2.0-only
16 * Unwind the current stack frame and store the new register values in the
23 * sub fp, ip, #4
33 * sub sp, sp, #y
37 * sub sp, fp, #x
47 static int frame_pointer_check(struct stackframe *frame) in frame_pointer_check() argument
50 unsigned long fp = frame->fp; in frame_pointer_check()
51 unsigned long pc = frame->pc; in frame_pointer_check()
63 low = frame->sp; in frame_pointer_check()
66 /* check current frame pointer is within bounds */ in frame_pointer_check()
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/openbmc/linux/drivers/scsi/fcoe/
H A Dfcoe_ctlr.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2008-2009 Cisco Systems, Inc. All rights reserved.
6 * Maintained at www.Open-FCoE.org
82 * fcoe_ctlr_set_state() - Set and do debug printing for the new FIP state.
88 if (state == fip->state) in fcoe_ctlr_set_state()
90 if (fip->lp) in fcoe_ctlr_set_state()
91 LIBFCOE_FIP_DBG(fip, "state %s -> %s\n", in fcoe_ctlr_set_state()
92 fcoe_ctlr_state(fip->state), fcoe_ctlr_state(state)); in fcoe_ctlr_set_state()
93 fip->state = state; in fcoe_ctlr_set_state()
97 * fcoe_ctlr_mtu_valid() - Check if a FCF's MTU is valid
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/openbmc/linux/arch/arm/lib/
H A Dbacktrace.S1 /* SPDX-License-Identifier: GPL-2.0-only */
14 @ fp is 0 or stack frame
16 #define frame r4 macro
29 stmfd sp!, {r4 - r9, lr} @ Save an extra register so we have a location...
30 movs frame, r0 @ if frame pointer is zero
34 tst r1, #0x10 @ 26 or 32-bit mode?
38 movne mask, #0 @ mask for 32-bit
43 sub offset, r0, r1
46 * Stack frame layout:
47 * optionally saved caller registers (r4 - r10)
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/openbmc/linux/drivers/scsi/isci/
H A Drequest.h7 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
20 * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
26 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
64 * isci_stp_request - extra request infrastructure to handle pio/atapi protocol
65 * @pio_len - number of bytes requested at PIO setup
66 * @status - pio setup ending status value to tell us if we need
69 * @sgl - track pio transfer progress as we iterate through the sgl
103 * - TMF requests are completed in the thread that started them;
104 * - regular requests are completed in the request completion callback
125 /* This field is a pointer to the stored rx frame data. It is used in
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/openbmc/linux/Documentation/driver-api/media/
H A Dcamera-sensor.rst1 .. SPDX-License-Identifier: GPL-2.0
6 CSI-2 and parallel (BT.601 and BT.656) busses
7 ---------------------------------------------
9 Please see :ref:`transmitter-receiver`.
12 ---------------
23 elsewhere. Therefore only the pre-determined frequencies are configurable by the
29 Read the ``clock-frequency`` _DSD property to denote the frequency. The driver
35 The currently preferred way to achieve this is using ``assigned-clocks``,
36 ``assigned-clock-parents`` and ``assigned-clock-rates`` properties. See
37 ``Documentation/devicetree/bindings/clock/clock-bindings.txt`` for more
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/openbmc/linux/include/drm/bridge/
H A Dmhl.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Defines for Mobile High-Definition Link (MHL) interface
9 * Copyright (C) 2013-2014 Silicon Image, Inc.
209 MHL_MSC_MSG = 0x68, /* VS command to send RCP sub-commands */
210 MHL_GET_SC1_ERRORCODE = 0x69, /* Get Vendor-Specific error code */
213 MHL_WRITE_BURST = 0x6C, /* Write 1-16 bytes to responder's scratchpad */
226 MHL_MSC_MSG_RCP = 0x10, /* RCP sub-command */
227 MHL_MSC_MSG_RCPK = 0x11, /* RCP Acknowledge sub-command */
228 MHL_MSC_MSG_RCPE = 0x12, /* RCP Error sub-command */
229 MHL_MSC_MSG_RAP = 0x20, /* Mode Change Warning sub-command */
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/openbmc/linux/drivers/media/platform/ti/am437x/
H A Dam437x-vpfe.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2013 - 2014 Texas Instruments, Inc.
12 #include <linux/am437x-vpfe.h>
20 #include <media/v4l2-dev.h>
21 #include <media/v4l2-device.h>
22 #include <media/v4l2-ioctl.h>
23 #include <media/videobuf2-v4l2.h>
24 #include <media/videobuf2-dma-contig.h>
26 #include "am437x-vpfe_regs.h"
36 /* BT656 - 8 bit */
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/openbmc/openbmc-test-automation/lib/
H A Dgen_print.py47 os.path.normpath(re.sub("/" + pgm_name, "", pgm_file_path)) + os.path.sep
119 Return the function name associated with the indicated stack frame.
122 …stack_frame_ix The index of the stack frame whose function name should be returne…
124 … 1 which is the index of the caller's stack frame. If the caller is the
163 return len(line) - len(line.lstrip(" "))
186 … with the given example, if arg_num is -2 the 2nd parm to the left of the
187 … "=" ("rc" in this case) should be returned. If arg_num is -1, the 1st
189 … If arg_num is less than -2, an entire dictionary is returned. The keys
190 to the dictionary for this example would be -2 and -1.
191 …stack_frame_ix The stack frame index of the target function. This value must be …
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/openbmc/linux/arch/arm64/kernel/
H A Dentry-ftrace.S1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * arch/arm64/kernel/entry-ftrace.S
11 #include <asm/asm-offsets.h>
18 * Due to -fpatchable-function-entry=2, the compiler has placed two NOPs before
25 * Each instrumented function follows the AAPCS, so here x0-x8 and x18-x30 are
26 * live (x18 holds the Shadow Call Stack pointer), and x9-x17 are safe to
30 * ftrace callbacks. So that we can get a sensible backtrace, we create frame
33 * record, its caller is missing from the LR and existing chain of frame
41 * The literal pointer to the ops is at an 8-byte aligned boundary
47 * aligning to an 8-byte boundary and subtracting 16. We do the
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/openbmc/linux/drivers/scsi/qedf/
H A Dqedf_fip.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright (c) 2016-2018 Cavium Inc.
27 QEDF_ERR(&qedf->dbg_ctx, in qedf_fcoe_send_vlan_req()
32 eth_fr = (char *)skb->data; in qedf_fcoe_send_vlan_req()
36 ether_addr_copy(vlan->eth.h_source, qedf->mac); in qedf_fcoe_send_vlan_req()
37 ether_addr_copy(vlan->eth.h_dest, my_fcoe_all_fcfs); in qedf_fcoe_send_vlan_req()
38 vlan->eth.h_proto = htons(ETH_P_FIP); in qedf_fcoe_send_vlan_req()
40 vlan->fip.fip_ver = FIP_VER_ENCAPS(FIP_VER); in qedf_fcoe_send_vlan_req()
41 vlan->fip.fip_op = htons(FIP_OP_VLAN); in qedf_fcoe_send_vlan_req()
42 vlan->fip.fip_subcode = FIP_SC_VL_REQ; in qedf_fcoe_send_vlan_req()
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/openbmc/linux/sound/ppc/
H A Dpowermac.c1 // SPDX-License-Identifier: GPL-2.0-or-later
23 static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */
47 err = snd_card_new(&devptr->dev, index, id, THIS_MODULE, 0, &card); in snd_pmac_probe()
54 card->private_data = chip; in snd_pmac_probe()
56 switch (chip->model) { in snd_pmac_probe()
58 strcpy(card->driver, "PMac Burgundy"); in snd_pmac_probe()
59 strcpy(card->shortname, "PowerMac Burgundy"); in snd_pmac_probe()
60 sprintf(card->longname, "%s (Dev %d) Sub-frame %d", in snd_pmac_probe()
61 card->shortname, chip->device_id, chip->subframe); in snd_pmac_probe()
67 strcpy(card->driver, "PMac DACA"); in snd_pmac_probe()
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/openbmc/linux/Documentation/admin-guide/media/
H A Dipu3.rst1 .. SPDX-License-Identifier: GPL-2.0
24 ImgU). The CIO2 driver is available as drivers/media/pci/intel/ipu3/ipu3-cio2*
36 Both of the drivers implement V4L2, Media Controller and V4L2 sub-device
38 MIPI CSI-2 interfaces through V4L2 sub-device sensor drivers.
44 interface to the user space. There is a video node for each CSI-2 receiver,
47 The CIO2 contains four independent capture channel, each with its own MIPI CSI-2
48 receiver and DMA engine. Each channel is modelled as a V4L2 sub-device exposed
49 to userspace as a V4L2 sub-device node and has two pads:
53 .. flat-table::
54 :header-rows: 1
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/openbmc/linux/sound/soc/uniphier/
H A Daio-compress.c1 // SPDX-License-Identifier: GPL-2.0
5 // Copyright (c) 2017-2018 Socionext Inc.
9 #include <linux/dma-mapping.h>
26 struct snd_compr *compr = rtd->compr; in uniphier_aio_comprdma_new()
27 struct device *dev = compr->card->dev; in uniphier_aio_comprdma_new()
29 struct uniphier_aio_sub *sub = &aio->sub[compr->direction]; in uniphier_aio_comprdma_new() local
37 sub->compr_area = kzalloc(size, GFP_KERNEL); in uniphier_aio_comprdma_new()
38 if (!sub->compr_area) in uniphier_aio_comprdma_new()
39 return -ENOMEM; in uniphier_aio_comprdma_new()
41 if (sub->swm->dir == PORT_DIR_OUTPUT) in uniphier_aio_comprdma_new()
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/openbmc/linux/tools/include/nolibc/
H A Darch-i386.h1 /* SPDX-License-Identifier: LGPL-2.1 OR MIT */
4 * Copyright (C) 2017-2022 Willy Tarreau <w@1wt.eu>
14 * - mostly similar to x86_64
15 * - registers are 32-bit
16 * - syscall number is passed in eax
17 * - arguments are in ebx, ecx, edx, esi, edi, ebp respectively
18 * - all registers are preserved (except eax of course)
19 * - the system call is performed by calling int $0x80
20 * - syscall return comes in eax
21 * - the arguments are cast to long and assigned into the target registers
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