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/linux/drivers/video/fbdev/
H A Dpxa168fb.c2 * linux/drivers/video/pxa168fb.c -- Marvell PXA168 LCD Controller
7 * 2009-02-16 adapted from original version for PXA168/910
27 #include <linux/dma-mapping.h>
42 if (var->bits_per_pixel == 8) in determine_best_pix_fmt()
48 if (var->bits_per_pixel == 16 && var->red.length <= 5 && in determine_best_pix_fmt()
49 var->green.length <= 6 && var->blue.length <= 5) { in determine_best_pix_fmt()
50 if (var->transp.length == 0) { in determine_best_pix_fmt()
51 if (var->red.offset >= var->blue.offset) in determine_best_pix_fmt()
57 if (var->transp.length == 1 && var->green.length <= 5) { in determine_best_pix_fmt()
58 if (var->red.offset >= var->blue.offset) in determine_best_pix_fmt()
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H A Dpxafb.c5 * Copyright (C) 2004 Jean-Frederic Clere.
8 * Based on sa1100fb.c Copyright (C) 1999 Eric A. Thomas
10 * Based on acornfb.c Copyright (C) Russell King.
18 * Please direct your questions and comments on this driver to the following
21 * linux-arm-kernel@lists.arm.linux.org.uk
23 * Add support for overlay1 and overlay2 based on pxafb_overlay.c:
31 * Copyright (C) 2006-2008 Marvell International Ltd.
50 #include <linux/dma-mapping.h>
68 #include <linux/platform_data/video-pxafb.h>
76 #include "pxa3xx-regs.h"
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H A Dsa1100fb.c5 * Based on acornfb.c Copyright (C) Russell King.
13 * Please direct your questions and comments on this driver to the following
16 * linux-arm-kernel@lists.arm.linux.org.uk
26 * - With the Neponset plugged into an Assabet, LCD powerdown
29 * - We don't limit the CPU clock rate nor the mode selection
33 * - Linear grayscale palettes and the kernel.
35 * drivers do not expect a linear colourmap, but a colourmap based on
44 * - The following must never be specified in a panel definition:
47 * - The following should be specified:
57 * - Driver appears to be working for Brutus 320x200x8bpp mode. Other
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H A Di740fb.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * i740fb - framebuffer driver for Intel740
6 * Based on old i740fb driver (c) 2001-2002 Andrey Ulanov <drey@rt.mipt.ru>
7 * which was partially based on:
8 * VGA 16-color framebuffer driver (c) 1999 Ben Pfaff <pfaffben@debian.org>
10 * i740 driver from XFree86 (c) 1998-1999 Precision Insight, Inc., Cedar Park,
28 #include <linux/i2c-algo-bit.h>
98 vga_mm_w(par->regs, port, val); in i740outb()
102 return vga_mm_r(par->regs, port); in i740inb()
106 vga_mm_w_fast(par->regs, port, reg, val); in i740outreg()
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H A Dudlfb.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * udlfb.c -- Framebuffer driver for DisplayLink USB controller
9 * Layout is based on skeletonfb by James Simmons and Geert Uytterhoeven,
10 * usb-skeleton by GregKH.
12 * Device-specific portions based on information from Displaylink, with work
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)
50 * We also require a match on SubClass (0x00) and Protocol (0x00),
114 * ----- -----------------------------
200 while (actual_count--) { in dlfb_lfsr16()
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H A Dpxa168fb.h1 /* SPDX-License-Identifier: GPL-2.0 */
5 /* ------------< LCD register >------------ */
24 /* Video Starting Point on Screen Register */
46 /* Graphic Starting Point on Screen Register */
61 /* HW Cursor Starting Point on Screen Register */
76 /* Total Screen Active Size Register */
100 #define CFG_HWC_COLOR1_G(green) ((green) << 8) argument
202 1. Smart Pannel 8-bit Bus Control Register.
374 #define CFG_INV_COMPSYNC(sync) ((sync) << 5) argument
465 /* read-only */
H A Duvesafb.c1 // SPDX-License-Identifier: GPL-2.0-only
80 if (msg->seq >= UVESAFB_TASKS_MAX) in uvesafb_cn_callback()
84 task = uvfb_tasks[msg->seq]; in uvesafb_cn_callback()
86 if (!task || msg->ack != task->ack) { in uvesafb_cn_callback()
91 utask = (struct uvesafb_task *)msg->data; in uvesafb_cn_callback()
94 if (task->t.buf_len < utask->buf_len || in uvesafb_cn_callback()
95 utask->buf_len > msg->len - sizeof(*utask)) { in uvesafb_cn_callback()
100 uvfb_tasks[msg->seq] = NULL; in uvesafb_cn_callback()
103 memcpy(&task->t, utask, sizeof(*utask)); in uvesafb_cn_callback()
105 if (task->t.buf_len && task->buf) in uvesafb_cn_callback()
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H A Dsmscufx.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * smscufx.c -- Framebuffer driver for SMSC UFX USB controller
10 * Based on udlfb, with work from Florian Echtler, Henrik Bjerregaard Pedersen,
13 * Works well with Bernie Thompson's X DAMAGE patch to xf86-video-fbdev
16 * Layout is based on skeletonfb by James Simmons and Geert Uytterhoeven,
17 * usb-skeleton by GregKH.
52 * DisplayLink X server as yet - need both to be modified in tandem
58 /* -BULK_SIZE as per usb-skeleton. Can we get full page and avoid overhead? */
60 #define MAX_TRANSFER (PAGE_SIZE*16 - BULK_SIZE)
94 struct device *gdev; /* &udev->dev */
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/linux/include/media/i2c/
H A Dtvp7002.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* Texas Instruments Triple 8-/10-BIT 165-/110-MSPS Video and Graphics
6 * Author: Santiago Nunez-Corrales <santiago.nunez@ridgerun.com>
19 * struct tvp7002_config - Platform dependent data
21 * 0 - Data clocked out on rising edge of DATACLK signal
22 * 1 - Data clocked out on falling edge of DATACLK signal
24 * 0 - Active low HSYNC output, 1 - Active high HSYNC output
26 * 0 - Active low VSYNC output, 1 - Active high VSYNC output
27 *@fid_polarity: Active-high Field ID polarity.
28 * 0 - The field ID output is set to logic 1 for an odd field
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/linux/include/uapi/linux/
H A Dfb.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
24 /* 0x4607-0x460B are defined below */
52 #define FB_AUX_TEXT_SVGA_GROUP 8 /* 8-15: SVGA tileblit compatible modes */
140 #define FB_ACCEL_SAVAGE3D_MV 0x82 /* S3 Savage3D-MV */
142 #define FB_ACCEL_SAVAGE_MX_MV 0x84 /* S3 Savage/MX-MV */
144 #define FB_ACCEL_SAVAGE_IX_MV 0x86 /* S3 Savage/IX-MV */
152 #define FB_ACCEL_PROSAVAGE_DDRK 0x8e /* S3 ProSavage DDR-K */
154 #define FB_ACCEL_PUV3_UNIGFX 0xa0 /* PKUnity-v3 Unigfx */
156 #define FB_CAP_FOURCC 1 /* Device supports FOURCC-based formats */
196 #define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */
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/linux/sound/usb/caiaq/
H A Dcontrol.c1 // SPDX-License-Identifier: GPL-2.0-or-later
24 struct snd_usb_caiaqdev *cdev = caiaqdev(chip->card); in control_info()
25 int pos = kcontrol->private_value; in control_info()
29 uinfo->count = 1; in control_info()
32 switch (cdev->chip.usb_id) { in control_info()
37 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; in control_info()
38 uinfo->value.integer.min = 0; in control_info()
39 uinfo->value.integer.max = 2; in control_info()
54 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; in control_info()
55 uinfo->value.integer.min = 0; in control_info()
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/linux/Documentation/fb/
H A Dpxafb.rst10 modprobe pxafb options=vmem:2M,mode:640x480-8,passive
12 or on the kernel command line::
14 video=pxafb:vmem:2M,mode:640x480-8,passive
21 mode:XRESxYRES[-BPP]
47 Display margins and sync times
53 active | passive => LCCR0_PAS
55 Active (TFT) or Passive (STN) display
67 Horizontal and vertical sync. 0 => active low, 1 => active
76 Output Enable Polarity. 0 => active low, 1 => active high
87 PXA27x and later processors support overlay1 and overlay2 on-top of the
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H A Dmatroxfb.rst2 matroxfb - Framebuffer driver for Matrox devices
5 This is a driver for a graphic framebuffer for Matrox devices on
12 * You can run XF{68,86}_FBDev or XFree86 fbdev driver on top of /dev/fb0
13 * Most important: boot logo :-)
31 box) and matroxfb (for graphics mode). You should not compile-in vesafb
32 unless you have primary display on non-Matrox VBE2.0 device (see
40 -------------
55 -------------------------
70 ----------
83 Non-listed number can be achieved by more complicated command-line, for
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/linux/arch/arm/boot/dts/ti/omap/
H A Dam335x-pdu001.dts6 * Copyright (C) 2018 EETS GmbH - https://www.eets.ch/
8 * Copyright (C) 2011, Texas Instruments, Incorporated - https://www.ti.com/
10 * SPDX-License-Identifier: GPL-2.0+
13 /dts-v1/;
16 #include <dt-bindings/interrupt-controller/irq.h>
17 #include <dt-bindings/leds/leds-pca9532.h>
24 stdout-path = &uart3;
29 cpu0-supply = <&vdd1_reg>;
39 compatible = "regulator-fixed";
40 regulator-name = "vbat";
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H A Dam335x-nano.dts1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2013 Newflow Ltd - https://www.newflow.co.uk/
5 /dts-v1/;
15 cpu0-supply = <&dcdc2_reg>;
25 compatible = "gpio-leds";
28 label = "nanobone:green:usr1";
30 default-state = "off";
36 pinctrl-names = "default";
37 pinctrl-0 = <&misc_pins>;
39 misc_pins: misc-pins {
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/linux/drivers/net/fddi/skfp/
H A Ddrvfbi.c1 // SPDX-License-Identifier: GPL-2.0-or-later
26 * PCM active state
44 * | --------------------- the patched POS_ID of the Adapter
49 * +------------------------------ the patched oem_id must be
66 #define OEMID(smc,i) smc->hw.oem_id->oi_id[i]
129 smc->hw.hw_is_64bit = TRUE ; in card_start()
131 smc->hw.hw_is_64bit = FALSE ; in card_start()
137 if (!smc->hw.hw_is_64bit) { in card_start()
144 outp(ADDR(B0_LED),LED_GA_OFF|LED_MY_ON|LED_GB_OFF) ; /* ye LED on */ in card_start()
150 smc->hw.is_imask = ISR_MASK ; in card_start()
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/linux/arch/arm/boot/dts/allwinner/
H A Dsun8i-r40-bananapi-m2-ultra.dts2 * Copyright (C) 2017 Chen-Yu Tsai <wens@csie.org>
5 * This file is dual-licensed: you can use it either under the terms
44 /dts-v1/;
45 #include "sun8i-r40.dtsi"
46 #include "sun8i-r40-cpu-opp.dtsi"
48 #include <dt-bindings/gpio/gpio.h>
51 model = "Banana Pi BPI-M2-Ultra";
52 compatible = "sinovoip,bpi-m2-ultra", "allwinner,sun8i-r40";
60 stdout-path = "serial0:115200n8";
64 compatible = "hdmi-connector";
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H A Dsun8i-v40-bananapi-m2-berry.dts4 * This file is dual-licensed: you can use it either under the terms
43 /dts-v1/;
44 #include "sun8i-r40.dtsi"
45 #include "sun8i-r40-cpu-opp.dtsi"
47 #include <dt-bindings/gpio/gpio.h>
51 compatible = "sinovoip,bpi-m2-berry", "allwinner,sun8i-r40";
59 stdout-path = "serial0:115200n8";
63 compatible = "hdmi-connector";
68 remote-endpoint = <&hdmi_out_con>;
74 compatible = "gpio-leds";
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/linux/drivers/video/fbdev/savage/
H A Dsavagefb_driver.c2 * linux/drivers/video/savagefb.c -- S3 Savage Framebuffer Driver
4 * Copyright (c) 2001-2002 Denis Oliver Kropp <dok@directfb.org>
8 * Card specific code is based on XFree86's savage driver.
9 * Framebuffer framework code is based on code of cyber2000fb and tdfxfb.
16 * - hardware accelerated clear and move
19 * - wait for vertical retrace before writing to cr67
21 * - use synchronization registers cr23 and cr26
24 * - reset 3D engine
25 * - don't return alpha bits for 32bit format
28 * - added WaitIdle functions for all Savage types
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/linux/drivers/isdn/hardware/mISDN/
H A Dhfcmulti.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * hfcmulti.c low level driver for hfc-4s/hfc-8s/hfc-e1 based cards
7 * Peter Sprenger (sprengermoving-bytes.de)
9 * inspired by existing hfc-pci driver:
10 * Copyright 1999 by Werner Cornelius (werner@isdn-development.de)
22 * Bit 0-7 = 0x00001 = HFC-E1 (1 port)
23 * or Bit 0-7 = 0x00004 = HFC-4S (4 ports)
24 * or Bit 0-7 = 0x00008 = HFC-8S (8 ports)
26 * Bit 9 = 0x00200 = Disable DTMF detect on all B-channels via hardware
38 * example: 0x20204 one HFC-4S with dtmf detection and 128 timeslots on PCM
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/linux/drivers/gpu/drm/armada/
H A Darmada_crtc.c1 // SPDX-License-Identifier: GPL-2.0-only
36 * This is how it is defined by CEA-861-D - line and pixel numbers are
38 * line: 2640. The odd frame, the first active line is at line 21, and
39 * the even frame, the first active line is 584.
54 * referenced to the top left of the active frame.
57 * Odd frame, 563 total lines, VSYNC at line 543-548, pixel 1128.
58 * Even frame, 562 total lines, VSYNC at line 542-547, pixel 2448.
62 * vtotal = mode->crtc_vtotal + 1;
63 * vbackporch = mode->crtc_vsync_start - mode->crtc_vdisplay + 1;
64 * vhorizpos = mode->crtc_hsync_start - mode->crtc_htotal / 2
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/linux/Documentation/networking/
H A Dtls-offload.rst1 .. SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
13 For details regarding the user-facing interface refer to the TLS
18 * Software crypto mode (``TLS_SW``) - CPU handles the cryptography.
20 can be used, but depending on calling context CPU may utilize
22 latency on socket reads (decryption only starts when a read syscall
23 is made) and additional I/O load on the system.
24 * Packet-based NIC offload mode (``TLS_HW``) - the NIC handles crypto
25 on a packet by packet basis, provided the packets arrive in order.
28 (``ethtool`` flags ``tls-hw-tx-offload`` and ``tls-hw-rx-offload``).
29 * Full TCP NIC offload mode (``TLS_HW_RECORD``) - mode of operation where
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/linux/drivers/media/i2c/
H A Dsaa7185.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * saa7185 - Philips SAA7185B video encoder driver version 0.0.3
11 * - moved over to linux>=2.4.x i2c protocol (1/1/2003)
21 #include <media/v4l2-device.h>
29 MODULE_PARM_DESC(debug, "Debug level (0-1)");
32 /* ----------------------------------------------------------------------- */
46 /* ----------------------------------------------------------------------- */
61 encoder->reg[reg] = value; in saa7185_write()
70 int ret = -1; in saa7185_write_block()
75 if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { in saa7185_write_block()
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/linux/arch/arm64/boot/dts/rockchip/
H A Drk3566-lckfb-tspi.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 /dts-v1/;
5 #include <dt-bindings/gpio/gpio.h>
6 #include <dt-bindings/input/input.h>
7 #include <dt-bindings/leds/common.h>
8 #include <dt-bindings/pinctrl/rockchip.h>
9 #include <dt-bindings/soc/rockchip,vop2.h>
10 #include <dt-bindings/soc/rockchip,boot-mode.h>
15 compatible = "lckfb,tspi-rk3566", "rockchip,rk3566";
24 stdout-path = "serial2:1500000n8";
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/linux/drivers/gpu/drm/vc4/
H A Dvc4_regs.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright © 2014-2015 Broadcom
24 WARN_ON(!FIELD_FIT(hvs->vc4->gen == VC4_GEN_6_C ? \
27 FIELD_PREP(hvs->vc4->gen == VC4_GEN_6_C ? \
32 #define VC6_GET_FIELD(word, field) FIELD_GET(hvs->vc4->gen == VC4_GEN_6_C ? \
258 /* Enables Display 0 end-of-line-N contribution to
273 /* Enables interrupt generation on the enabled EOF/EOLN/EISLUR
277 /* Enables interrupt generation on scaler profiler interrupt. */
309 /* Set on AXI invalid DMA ID error. */
311 /* Set on AXI slave read decode error */
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