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/openbmc/linux/Documentation/driver-api/media/
H A Dv4l2-subdev.rst1 .. SPDX-License-Identifier: GPL-2.0
3 V4L2 sub-devices
4 ----------------
6 Many drivers need to communicate with sub-devices. These devices can do all
8 encoding or decoding. For webcams common sub-devices are sensors and camera
12 driver with a consistent interface to these sub-devices the
13 :c:type:`v4l2_subdev` struct (v4l2-subdev.h) was created.
15 Each sub-device driver must have a :c:type:`v4l2_subdev` struct. This struct
16 can be stand-alone for simple sub-devices or it might be embedded in a larger
18 low-level device struct (e.g. ``i2c_client``) that contains the device data as
[all …]
/openbmc/linux/sound/soc/uniphier/
H A Daio-core.c1 // SPDX-License-Identifier: GPL-2.0
5 // Copyright (c) 2016-2018 Socionext Inc.
17 #include "aio-reg.h"
22 return wr - rd; in rb_cnt()
24 return len - (rd - wr); in rb_cnt()
30 return wr - rd; in rb_cnt_to_end()
32 return len - rd; in rb_cnt_to_end()
38 return len - (wr - rd) - 8; in rb_space()
40 return rd - wr - 8; in rb_space()
46 return rd - wr - 8; in rb_space_to_end()
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H A Daio-dma.c1 // SPDX-License-Identifier: GPL-2.0
5 // Copyright (c) 2016-2018 Socionext Inc.
7 #include <linux/dma-mapping.h>
28 static void aiodma_pcm_irq(struct uniphier_aio_sub *sub) in aiodma_pcm_irq() argument
30 struct snd_pcm_runtime *runtime = sub->substream->runtime; in aiodma_pcm_irq()
31 int bytes = runtime->period_size * in aiodma_pcm_irq()
32 runtime->channels * samples_to_bytes(runtime, 1); in aiodma_pcm_irq()
35 spin_lock(&sub->lock); in aiodma_pcm_irq()
36 ret = aiodma_rb_set_threshold(sub, runtime->dma_bytes, in aiodma_pcm_irq()
37 sub->threshold + bytes); in aiodma_pcm_irq()
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/openbmc/linux/include/media/
H A Dv4l2-async.h1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (C) 2012-2013, Guennadi Liakhovetski <g.liakhovetski@gmx.de>
22 * enum v4l2_async_match_type - type of asynchronous subdevice logic to be used
37 * struct v4l2_async_match_desc - async connection match information
65 * struct v4l2_async_connection - sub-device connection descriptor, as known to
68 * @match: struct of match type and per-bus type matching data sets
73 * @sd: the related sub-device
88 * struct v4l2_async_notifier_operations - Asynchronous V4L2 notifier operations
89 * @bound: a sub-device has been bound by the given connection
107 * struct v4l2_async_notifier - v4l2_device notifier data
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H A Dv4l2-device.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
12 #include <media/media-device.h>
13 #include <media/v4l2-subdev.h>
14 #include <media/v4l2-dev.h>
21 * struct v4l2_device - main struct to for V4L2 device drivers
29 * @notify: notify operation called by some sub-devices.
33 * @release: Release function that is called when the ref count
37 * either stand-alone or embedded in a larger struct.
39 * It allows easy access to sub-devices (see v4l2-subdev.h) and provides
40 * basic V4L2 device-level support.
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H A Dv4l2-flash-led-class.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * V4L2 flash LED sub-device registration helpers.
12 #include <media/v4l2-ctrls.h>
13 #include <media/v4l2-subdev.h>
21 * struct v4l2_flash_ctrl_data - flash control initialization data, filled
34 * struct v4l2_flash_ops - V4L2 flash operations
53 * struct v4l2_flash_config - V4L2 Flash sub-device initialization data
56 * @intensity: non-flash strobe constraints for the LED
60 * <linux/led-class-flash.h>
71 * struct v4l2_flash - Flash sub-device context
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/openbmc/linux/include/linux/mfd/
H A Ddln2.h1 /* SPDX-License-Identifier: GPL-2.0 */
8 u16 handle; /* sub-driver handle (internally used only) */
13 * dln2_event_cb_t - event callback function signature
15 * @pdev - the sub-device that registered this callback
16 * @echo - the echo header field received in the message
17 * @data - the data payload
18 * @len - the data payload length
20 * The callback function is called in interrupt context and the data payload is
29 * dl2n_register_event_cb - register a callback function for an event
31 * @pdev - the sub-device that registers the callback
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/openbmc/linux/Documentation/filesystems/
H A Drelay.rst1 .. SPDX-License-Identifier: GPL-2.0
9 to userspace via user-defined 'relay channels'.
11 A 'relay channel' is a kernel->user data relay mechanism implemented
12 as a set of per-cpu kernel buffers ('channel buffers'), each
25 filtering - this also is left to the kernel client. The purpose is to
29 details of the function parameters are documented along with the
30 functions in the relay interface code - please see that for details.
36 sub-buffers. Messages are written to the first sub-buffer until it is
38 the next (if available). Messages are never split across sub-buffers.
40 sub-buffer, while the kernel continues writing to the next.
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/openbmc/linux/Documentation/leds/
H A Dleds-class-flash.rst5 Some LED devices provide two modes - torch and flash. In the LED subsystem
6 those modes are supported by LED class (see Documentation/leds/leds-class.rst)
13 registered in the LED subsystem with led_classdev_flash_register function.
16 (see Documentation/ABI/testing/sysfs-class-led-flash)
18 - flash_brightness
19 - max_flash_brightness
20 - flash_timeout
21 - max_flash_timeout
22 - flash_strobe
23 - flash_fault
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/openbmc/u-boot/scripts/
H A Dkernel-doc2 # SPDX-License-Identifier: GPL-2.0
10 ## Copyright (C) 2005-2012 Randy Dunlap ##
19 # 18/01/2001 - Cleanups
22 # -- huggie@earth.li
24 # 27/06/2001 - Allowed whitespace after initial "/**" and
25 # allowed comments before function declarations.
26 # -- Christian Kreibich <ck@whoop.org>
29 # - add perldoc documentation
30 # - Look more closely at some of the scarier bits :)
32 # 26/05/2001 - Support for separate source and object trees.
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/openbmc/linux/arch/sparc/kernel/
H A Dhelpers.S1 /* SPDX-License-Identifier: GPL-2.0-only */
4 .type __flushw_user,#function
9 1: save %sp, -128, %sp
13 1: sub %g2, 1, %g2
18 .size __flushw_user,.-__flushw_user
27 .type stack_trace_flush,#function
34 sub %g1, 1, %g3
37 sub %g2, 1, %g2
42 sub %g3, 1, %g3
49 .size stack_trace_flush,.-stack_trace_flush
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/openbmc/qemu/scripts/
H A Dkernel-doc2 # SPDX-License-Identifier: GPL-2.0-only
10 ## Copyright (C) 2005-2012 Randy Dunlap ##
19 # 18/01/2001 - Cleanups
22 # -- huggie@earth.li
24 # 27/06/2001 - Allowed whitespace after initial "/**" and
25 # allowed comments before function declarations.
26 # -- Christian Kreibich <ck@whoop.org>
29 # - add perldoc documentation
30 # - Look more closely at some of the scarier bits :)
32 # 26/05/2001 - Support for separate source and object trees.
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/openbmc/linux/tools/perf/util/
H A Dsetup.py3 from re import sub
7 # Check if CC has options, as is the case in yocto, where it uses CC="cc --sysroot..."
15 cc_is_clang = b"clang version" in Popen([cc, "-v"], stderr=PIPE).stderr.readline()
19 …cc_output = Popen([cc, cc_options + option, path.join(src_feature_tests, "test-hello.c") ], stderr…
26 vars[var] = sub("-specs=[^ ]+", "", vars[var])
27 if not clang_has_option("-mcet"):
28 vars[var] = sub("-mcet", "", vars[var])
29 if not clang_has_option("-fcf-protection"):
30 vars[var] = sub("-fcf-protection", "", vars[var])
31 if not clang_has_option("-fstack-clash-protection"):
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/openbmc/linux/scripts/
H A Dkernel-doc2 # SPDX-License-Identifier: GPL-2.0
10 ## Copyright (C) 2005-2012 Randy Dunlap ##
22 kernel-doc - Print formatted kernel documentation to stdout
26 …kernel-doc [-h] [-v] [-Werror] [-Wall] [-Wreturn] [-Wshort-description] [-Wcontents-before-section…
27 [ -man |
28 -rst [-sphinx-version VERSION] [-enable-lineno] |
29 -none
32 -export |
33 -internal |
34 [-function NAME] ... |
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H A Dgenerate_initcall_order.pl2 # SPDX-License-Identifier: GPL-2.0
18 my $jobs = {}; # child process pid -> file handle
20 my $results = {}; # object index -> [ { level, secname }, ... ]
24 sub get_online_processors {
39 sub write_results {
45 my $level = $initcalls->{$counter}->{'level'};
47 # section name for the initcall function
48 my $secname = $initcalls->{$counter}->{'module'} . '__' .
50 $initcalls->{$counter}->{'line'} . '_' .
51 $initcalls->{$counter}->{'function'};
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/openbmc/u-boot/arch/x86/lib/
H A Dscu.c1 // SPDX-License-Identifier: GPL-2.0+
8 * is servicing watchdog and controlling system reset function.
38 * scu_ipc_send_command() - send command to SCU
49 writel(cmd, &regs->cmd); in scu_ipc_send_command()
53 * scu_ipc_check_status() - check status of last command
68 status = readl(&regs->status); in scu_ipc_check_status()
73 } while (--loop_count); in scu_ipc_check_status()
75 return -ETIMEDOUT; in scu_ipc_check_status()
79 return -EIO; in scu_ipc_check_status()
85 static int scu_ipc_cmd(struct ipc_regs *regs, u32 cmd, u32 sub, in scu_ipc_cmd() argument
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/openbmc/u-boot/common/
H A Dhwconfig.c1 // SPDX-License-Identifier: GPL-2.0+
3 * An inteface for configuring a hardware via u-boot environment.
40 if (end - start > maxlen) in hwconfig_parse()
43 if (str && (str == opts || strpbrk(str - 1, stopchs) == str - 1) && in hwconfig_parse()
56 *arglen = min(maxlen, strlen(str)) - optlen - 1; in hwconfig_parse()
58 *arglen = arg_end - end - 1; in hwconfig_parse()
78 if (!(gd->flags & GD_FLG_ENV_READY)) { in __hwconfig()
103 * hwconfig_f - query if a particular hwconfig option is specified
105 * @buf: if non-NULL use this buffer to parse, otherwise try env
107 * This call can be used to find out whether U-Boot should configure
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/openbmc/linux/arch/sparc/lib/
H A DNGbzero.S1 /* SPDX-License-Identifier: GPL-2.0 */
19 .type NGmemset, #function
32 .type NGbzero, #function
39 * %g7: store-init %asi to use
40 * %o4: non-store-init %asi to use
53 sub %g2, %g1, %g1
54 sub %o1, %g1, %o1
61 andcc %o0, (64 - 1), %g1
64 sub %g2, %g1, %g1
65 sub %o1, %g1, %o1
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H A DGENbzero.S1 /* SPDX-License-Identifier: GPL-2.0 */
20 .type GENmemset, #function
33 .type GENbzero, #function
52 sub %g2, %g1, %g1
53 sub %o1, %g1, %o1
60 andcc %o0, (64 - 1), %g1
63 sub %g2, %g1, %g1
64 sub %o1, %g1, %o1
71 andn %o1, (64 - 1), %g1
72 sub %o1, %g1, %o1
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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…
123 … the caller does not specify a value, this function will set the value to
125 … wrapper function "print_func_name", this function will bump it up by 1.
149 …This function will try to prevent this failure by detecting the scenario in advance and making "/t…
163 return len(line) - len(line.lstrip(" "))
166 # get_arg_name is not a print function per se. It has been included in this module because it is u…
170 …Return the "name" of an argument passed to a function. This could be a literal or a variable name.
182 … return the name of the target function as specified in the calling line
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/openbmc/linux/arch/mips/include/asm/
H A Dasm.h14 * away by gas in -O mode. These nops are however required to fill delay
21 #include <asm/asm-eva.h>
22 #include <asm/isa-rev.h>
41 * LEAF - declare leaf routine
47 .type symbol, @function; \
54 * NESTED - declare nested routine entry point
60 .type symbol, @function; \
67 * END - mark end of function
69 #define END(function) \ argument
71 .end function; \
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/openbmc/linux/Documentation/devicetree/bindings/pinctrl/
H A Dabilis,tb10x-iomux.txt5 -------------------
7 - compatible: should be "abilis,tb10x-iomux";
8 - reg: should contain the physical address and size of the pin controller's
12 Function definitions
13 --------------------
15 Functions are defined (and referenced) by sub-nodes of the pin controller.
16 Every sub-node defines exactly one function (implying a set of pins).
17 Every function is associated to one named pin group inside the pin controller
19 controller sub-nodes.
21 Required function definition subnode properties:
[all …]
H A Dimg,pistachio-pinctrl.txt8 each. The GPIO banks are represented as sub-nodes of the pad controller node.
10 Please refer to pinctrl-bindings.txt, ../gpio/gpio.txt, and
11 ../interrupt-controller/interrupts.txt for generic information regarding
15 --------------------------------------------
16 - compatible: "img,pistachio-system-pinctrl".
17 - reg: Address range of the pinctrl registers.
19 Required properties for GPIO bank sub-nodes:
20 --------------------------------------------
21 - interrupts: Interrupt line for the GPIO bank.
22 - gpio-controller: Indicates the device is a GPIO controller.
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/openbmc/u-boot/arch/mips/include/asm/
H A Dasm.h1 /* SPDX-License-Identifier: GPL-2.0 */
11 * away by gas in -O mode. These nops are however required to fill delay
47 .type symbol, @function; \
52 * LEAF - declare leaf routine
57 .type symbol, @function; \
63 * NESTED - declare nested routine entry point
68 .type symbol, @function; \
74 * END - mark end of function
76 #define END(function) \ argument
77 .end function; \
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/openbmc/openbmc/poky/meta/recipes-devtools/apt/apt/
H A Dtriehash1 #!/usr/bin/perl -w
3 # Copyright (C) 2016 Julian Andres Klode <jak@jak-linux.org>
27 triehash - Generate a perfect hash function derived from a trie.
42 triehash takes a list of words in input file and generates a function and
63 Which defines the value to be used for non-existing keys. Note that this also
76 =item B<-C>I<.c file> B<--code>=I<.c file>
80 =item B<-H>I<header file> B<--header>=I<header file>
83 function and an enumeration.
85 =item B<--enum-name=>I<word>
89 =item B<--function-name=>I<word>
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