/linux/Documentation/devicetree/bindings/display/panel/ |
H A D | sony,acx424akp.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 3 --- 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 15 - Linus Walleij <linus.walleij@linaro.org> 18 - $ref: panel-common.yaml# 23 - sony,acx424akp 24 - sony,acx424akm 29 reset-gpios: true 30 vddi-supply: 32 enforce-video-mode: true [all …]
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/linux/Documentation/driver-api/ |
H A D | device_link.rst | 17 Secondly, the driver core by default does not enforce any driver presence 57 device ``->probe`` callback or a boot-time PCI quirk. 61 ``->probe`` callback while the supplier hasn't started to probe yet: Had the 65 non-presence. [Note that it is valid to create a link from the consumer's 66 ``->probe`` callback while the supplier is still probing, but the consumer must 72 is added in the ``->probe`` callback of the supplier or consumer driver, it is 73 typically deleted in its ``->remove`` callback for symmetry. That way, if the 87 link is added from the consumer's ``->probe`` callback: ``DL_FLAG_RPM_ACTIVE`` 93 Similarly, when the device link is added from supplier's ``->probe`` callback, 125 :c:func:`device_link_add()` may cause the PM-runtime usage counter of the [all …]
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/linux/drivers/gpu/drm/xlnx/ |
H A D | zynqmp_kms.c | 1 // SPDX-License-Identifier: GPL-2.0 3 * ZynqMP DisplayPort Subsystem - KMS API 5 * Copyright (C) 2017 - 2021 Xilinx, Inc. 8 * - Hyun Woo Kwon <hyun.kwon@xilinx.com> 9 * - Laurent Pinchart <laurent.pinchart@ideasonboard.com> 47 return container_of(drm, struct zynqmp_dpsub_drm, dev)->dpsub; in to_zynqmp_dpsub() 50 /* ----------------------------------------------------------------------------- 61 if (!new_plane_state->crtc) in zynqmp_dpsub_plane_atomic_check() 64 crtc_state = drm_atomic_get_crtc_state(state, new_plane_state->crtc); in zynqmp_dpsub_plane_atomic_check() 80 struct zynqmp_dpsub *dpsub = to_zynqmp_dpsub(plane->dev); in zynqmp_dpsub_plane_atomic_disable() [all …]
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/linux/Documentation/userspace-api/media/v4l/ |
H A D | ext-ctrls-camera.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 3 .. _camera-controls: 13 .. _camera-control-id: 23 .. _v4l2-exposure-auto-type: 28 enum v4l2_exposure_auto_type - 37 .. flat-table:: 38 :header-rows: 0 39 :stub-columns: 0 41 * - ``V4L2_EXPOSURE_AUTO`` 42 - Automatic exposure time, automatic iris aperture. [all …]
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/linux/arch/x86/ |
H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0 4 bool "64-bit kernel" if "$(ARCH)" = "x86" 7 Say yes to build a 64-bit kernel - formerly known as x86_64 8 Say no to build a 32-bit kernel - formerly known as i386 13 # Options that are inherently 32-bit kernel only: 26 # Options that are inherently 64-bit kernel only: 56 # ported to 32-bit as well. ) 158 # Word-size accesses may read uninitialized data past the trailing \0 342 default "elf32-i386" if X86_32 343 default "elf64-x86-64" if X86_64 [all …]
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/linux/Documentation/networking/ |
H A D | udplite.rst | 1 .. SPDX-License-Identifier: GPL-2.0 4 The UDP-Lite protocol (RFC 3828) 8 UDP-Lite is a Standards-Track IETF transport protocol whose characteristic 9 is a variable-length checksum. This has advantages for transport of multimedia 10 (video, VoIP) over wireless networks, as partly damaged packets can still be 14 For in-depth information, you can consult: 16 - The UDP-Lite Homepage: 17 http://web.archive.org/web/%2E/http://www.erg.abdn.ac.uk/users/gerrit/udp-lite/ 21 - The UDP-Lite HOWTO on 22 …http://web.archive.org/web/%2E/http://www.erg.abdn.ac.uk/users/gerrit/udp-lite/files/UDP-Lite-HOWT… [all …]
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/linux/Documentation/admin-guide/ |
H A D | kernel-parameters.txt | 16 force -- enable ACPI if default was off 17 on -- enable ACPI but allow fallback to DT [arm64,riscv64] 18 off -- disable ACPI if default was on 19 noirq -- do not use ACPI for IRQ routing 20 strict -- Be less tolerant of platforms that are not 22 rsdt -- prefer RSDT over (default) XSDT 23 copy_dsdt -- copy DSDT to memory 24 nocmcff -- Disable firmware first mode for corrected 28 nospcr -- disable console in ACPI SPCR table as 44 { vendor | video | native | none } [all …]
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/linux/drivers/media/platform/ti/omap3isp/ |
H A D | isppreview.c | 1 // SPDX-License-Identifier: GPL-2.0-only 5 * TI OMAP3 ISP driver - Preview module 26 { /* RGB-RGB Matrix */ 38 {-38, -75, 112}, 39 {112, -94 , -18} 85 * ------------------------------------------------------------- 125 * Default Gamma Correction Table - All components 146 * preview_config_luma_enhancement - Configure the Luminance Enhancement table 153 const struct omap3isp_prev_luma *yt = ¶ms->luma; in preview_config_luma_enhancement() 159 isp_reg_writel(isp, yt->table[i], in preview_config_luma_enhancement() [all …]
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/linux/drivers/video/fbdev/ |
H A D | broadsheetfb.c | 2 * broadsheetfb.c -- FB driver for E-Ink Broadsheet controller 35 #include <video/broadsheetfb.h> 121 par->board->set_ctl(par, BS_WR, 0); in broadsheet_gpio_issue_data() 122 par->board->set_hdb(par, data); in broadsheet_gpio_issue_data() 123 par->board->set_ctl(par, BS_WR, 1); in broadsheet_gpio_issue_data() 128 par->board->set_ctl(par, BS_DC, 0); in broadsheet_gpio_issue_cmd() 134 par->board->wait_for_rdy(par); in broadsheet_gpio_send_command() 136 par->board->set_ctl(par, BS_CS, 0); in broadsheet_gpio_send_command() 138 par->board->set_ctl(par, BS_DC, 1); in broadsheet_gpio_send_command() 139 par->board->set_ctl(par, BS_CS, 1); in broadsheet_gpio_send_command() [all …]
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H A D | udlfb.c | 1 // SPDX-License-Identifier: GPL-2.0-only 3 * udlfb.c -- Framebuffer driver for DisplayLink USB controller 10 * usb-skeleton by GregKH. 12 * Device-specific portions based on information from Displaylink, with work 27 #include <video/udlfb.h> 48 * There are many DisplayLink-based graphics products, all with unique PIDs. 49 * So we match on DisplayLink's VID + Vendor-Defined Interface Class (0xff) 114 * ----- ----------------------------- 200 while (actual_count--) { in dlfb_lfsr16() 219 * This takes a standard fbdev screeninfo struct and all of its monitor mode [all …]
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H A D | imsttfb.c | 2 * drivers/video/imsttfb.c -- frame buffer device for IMS TwinTurbo 40 #define eieio() /* Enforce In-order Execution of I/O */ 172 TVPPMASK = 0x08, /* 2 Pixel Read-Mask */ 182 TVPCXPOL = 0x30, /* 12 Cursor-Position X LSB */ 183 TVPCXPOH = 0x34, /* 13 Cursor-Position X MSB */ 184 TVPCYPOL = 0x38, /* 14 Cursor-Position Y LSB */ 185 TVPCYPOH = 0x3c, /* 15 Cursor-Position Y MSB */ 204 TVPIRCKL = 0x30, /* Color-Key Overlay Low */ 205 TVPIRCKH = 0x31, /* Color-Key Overlay High */ 206 TVPIRCRL = 0x32, /* Color-Key Red Low */ [all …]
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/linux/Documentation/admin-guide/pm/ |
H A D | intel_pstate.rst | 1 .. SPDX-License-Identifier: GPL-2.0 22 Documentation/admin-guide/pm/cpufreq.rst if you have not done that yet.] 24 For the processors supported by ``intel_pstate``, the P-state concept is broader 27 information about that). For this reason, the representation of P-states used 32 ``intel_pstate`` maps its internal representation of P-states to frequencies too 38 Since the hardware P-state selection interface used by ``intel_pstate`` is 43 time the corresponding CPU is taken offline and need to be re-initialized when 47 only way to pass early-configuration-time parameters to it is via the kernel 58 active mode, it uses its own internal performance scaling governor algorithm or 60 mode it responds to requests made by a generic ``CPUFreq`` governor implementing [all …]
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/linux/Documentation/admin-guide/sysctl/ |
H A D | kernel.rst | 5 .. See scripts/check-sysctl-docs to keep this up to date 13 Documentation/admin-guide/sysctl/index.rst. 15 ------------------------------------------------------------------------------ 39 If BSD-style process accounting is enabled these values control 58 See Documentation/power/video.rst. This allows the video resume mode to be set, 71 The machine hardware name, the same output as ``uname -m`` 129 Ctrl-Alt-Delete). Writing a value to this file which doesn't 130 correspond to a running process will result in ``-ESRCH``. 132 See also `ctrl-alt-del`_. 170 %d dump mode, matches ``PR_SET_DUMPABLE`` and [all …]
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/linux/drivers/media/usb/gspca/ |
H A D | ov519.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later 5 * Copyright (C) 2008-2011 Jean-François Moine <moinejf@free.fr> 8 * This module is adapted from the ov51x-jpeg package, which itself 13 * Copyright (c) 1999-2006 Mark W. McClelland 20 * ov51x-jpeg original copyright is: 22 * Copyright (c) 2004-2007 Romain Beauxis <toots@rastageeks.org> 38 MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>"); 482 /*jfm: this value does not work for 800x600 - see isoc_init */ 539 #define OV7670_R14_COM9 0x14 /* Control 9 - gain ceiling */ 550 #define OV7670_R26_VPT 0x26 /* AGC/AEC fast mode op region */ [all …]
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/linux/arch/x86/kvm/vmx/ |
H A D | vmx.c | 1 // SPDX-License-Identifier: GPL-2.0-only 3 * Kernel-based Virtual Machine driver for Linux 5 * This module enables machines with Intel VT-x extensions to run virtual 50 #include <asm/spec-ctrl.h> 80 MODULE_DESCRIPTION("KVM support for VMX (Intel VT-x) extensions"); 143 /* Guest_tsc -> host_tsc conversion requires 64-bit division. */ 170 * These 2 parameters are used to config the controls for Pause-Loop Exiting: 186 /* Default doubles per-vcpu window every exit. */ 190 /* Default resets per-vcpu window every exit to ple_window. */ 198 /* Default is SYSTEM mode, 1 for host-guest mode (which is BROKEN) */ [all …]
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/linux/drivers/pci/ |
H A D | quirks.c | 1 // SPDX-License-Identifier: GPL-2.0 3 * This file contains work-arounds for many known PCI hardware bugs. 5 * should be handled in arch-specific code. 22 #include <linux/isa-dma.h> /* isa_dma_bridge_buggy */ 41 if (test_bit(PCI_LINK_LBMS_SEEN, &dev->priv_flags)) in pcie_lbms_seen() 102 int ret = -ENOTTY; in pcie_failed_link_retrain() 105 !pcie_cap_has_lnkctl2(dev) || !dev->link_active_reporting) in pcie_failed_link_retrain() 112 pci_info(dev, "broken device, retraining non-functional downstream link at 2.5GT/s\n"); in pcie_failed_link_retrain() 173 if ((f->class == (u32) (dev->class >> f->class_shift) || in pci_do_fixups() 174 f->class == (u32) PCI_ANY_ID) && in pci_do_fixups() [all …]
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/linux/include/net/ |
H A D | mac80211.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */ 3 * mac80211 <-> driver interface 5 * Copyright 2002-2005, Devicescape Software, Inc. 6 * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> 7 * Copyright 2007-2010 Johannes Berg <johannes@sipsolutions.net> 8 * Copyright 2013-2014 Intel Mobile Communications GmbH 9 * Copyright (C) 2015 - 201 [all...] |
/linux/sound/soc/ |
H A D | soc-core.c | 1 // SPDX-License-Identifier: GPL-2.0+ 3 // soc-core.c -- ALSA SoC Audio Layer 11 // with code, comments and ideas from :- 15 // o Add hw rules to enforce rates, etc. 40 #include <sound/soc-dpcm.h> 41 #include <sound/soc-topology.h> 42 #include <sound/soc-link.h> 76 return sysfs_emit(buf, "%ld\n", rtd->pmdown_time); in pmdown_time_show() 86 ret = kstrtol(buf, 10, &rtd->pmdown_time); in pmdown_time_store() 110 return attr->mode; /* always visible */ in soc_dev_attr_is_visible() [all …]
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