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/linux/drivers/video/fbdev/
H A Dfm2fb.c2 * linux/drivers/video/fm2fb.c -- BSC FrameMaster II/Rainbow II frame buffer
5 * Copyright (C) 1998 Steffen A. Mork (linux-dev@morknet.de)
32 * channel, GG the green channel and BB the blue channel.
35 * - PAL/NTSC
36 * - interlaced/non interlaced
37 * - composite sync/sync/sync over green
40 * - 768x576 (PAL)
41 * - 768x480 (NTSC)
67 * JP1 interlace selection (1-2 non interlaced/2-3 interlaced)
70 * JP4 modulate composite sync on green output (1-2 composite
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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 Dpm2fb.c7 * based on 2.4 driver:
8 * Copyright (c) 1998-2000 Ilario Nardinocchi (nardinoc@CS.UniBO.IT)
14 * I have a Creative Graphics Blaster Exxtreme card - pm2fb on x86. I
16 * hopefully other big-endian) devices now work, thanks to a lot of
20 * Multiple boards support has been on the TODO list for ages.
71 * support on TVP4010 and similar where there is no RAMDAC - see
72 * comment in set_video) always request +ve sync regardless of what
74 * fixed-frequency monitor which absolutely has to have -ve sync. So
75 * these flags allow the user to specify that requests for +ve sync
76 * should be silently turned in -ve sync.
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H A Datafb.c2 * linux/drivers/video/atafb.c -- Atari builtin chipset frame buffer device
11 * - 03 Jan 95: Original version by Martin Schaller: The TT driver and
13 * - 09 Jan 95: Roman: I've added the hardware abstraction (hw_switch)
15 * based on the original TT driver.
16 * - 07 May 95: Martin: Added colormap operations for the external driver
17 * - 21 May 95: Martin: Added support for overscan
19 * - Jul 95: Guenther Kelleter <guenther@pool.informatik.rwth-aachen.de>:
23 * - 27 Dec 95: Guenther: Implemented user definable video modes "user[0-7]"
24 * on minor 24...31. "user0" may be set on commandline by
25 * "R<x>;<y>;<depth>". (Makes sense only on Falcon)
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H A Dpm3fb.c2 * linux/drivers/video/pm3fb.c -- 3DLabs Permedia3 frame buffer device
6 * Ported to 2.6 kernel on 1 May 2007 by Krzysztof Helt <krzysztof.h1@wp.pl>
7 * based on pm2fb.c
9 * Based on code written by:
10 * Sven Luther, <luther@dpt-info.u-strasbg.fr>
13 * Based on linux/drivers/video/skeletonfb.c:
15 * Based on linux/driver/video/pm2fb.c:
16 * Copyright (C) 1998-1999 Ilario Nardinocchi (nardinoc@CS.UniBO.IT)
97 return fb_readl(par->v_regs + off); in PM3_READ_REG()
102 fb_writel(v, par->v_regs + off); in PM3_WRITE_REG()
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H A Dgbefb.c4 * Copyright (C) 1999 Silicon Graphics, Inc. - Jeffrey Newquist
5 * Copyright (C) 2002 Vivien Chappelier <vivien.chappelier@linux-mips.org>
14 #include <linux/dma-mapping.h>
44 /* macro for fastest write-though access to the framebuffer */
63 #define TILE_MASK (TILE_SIZE - 1)
81 static int gbe_turned_on; /* 0 turned off, 1 turned on */
87 /* 640x480, 60 Hz, Non-Interlaced (25.175 MHz dotclock) */
97 .green = { 0, 8, 0 },
102 .height = -1,
103 .width = -1,
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H A Dacornfb.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 1998-2001 Russell King
14 * - Blanking 8bpp displays with VIDC
26 #include <linux/dma-mapping.h>
32 #include <asm/mach-types.h>
54 * have. Allow 1% either way on the nominal for TVs.
68 }, { /* Hi-res mono */
114 struct fb_var_screeninfo *var = &info->var; in acornfb_set_timing()
122 vidc.h_sync_width = var->hsync_len - 8; in acornfb_set_timing()
123 vidc.h_border_start = vidc.h_sync_width + var->left_margin + 8 - 12; in acornfb_set_timing()
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H A Dcg14.c1 // SPDX-License-Identifier: GPL-2.0-only
8 * Driver layout based loosely on tgafb.c, see that file for credits.
111 u16 hss; /* Hor Sync Start */
112 u16 hsc; /* Hor Sync Clear */
113 u16 csc; /* Composite Sync Clear */
116 u16 vss; /* Vert Sync Start */
117 u16 vsc; /* Vert Sync Clear */
171 * go to John Stone (johns@umr.edu) from OpenBSD), red, green and blue
203 struct cg14_regs __iomem *regs = par->regs; in __cg14_reset()
206 val = sbus_readb(&regs->mcr); in __cg14_reset()
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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 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 Dimxfb.c1 // SPDX-License-Identifier: GPL-2.0-only
6 * Based on acornfb.c Copyright (C) Russell King.
8 * Please direct your questions and comments on this driver to the following
11 * linux-arm-kernel@lists.arm.linux.org.uk
28 #include <linux/dma-mapping.h>
54 #define DRIVER_NAME "imx-fb"
134 /* Used fb-mode. Can be set on kernel command line, therefore file-static. */
143 struct fb_bitfield green; member
198 .name = "imx1-fb",
201 .name = "imx21-fb",
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H A Dpvr2fb.c1 // SPDX-License-Identifier: GPL-2.0-only
9 * Copyright (c) 2001 - 2008 Paul Mundt <lethal@linux-sh.org>
11 * This driver is mostly based on the excellent amifb and vfb sources. It uses
13 * here are some hacked-up formulas:
19 * values, I could just add mode- specific offsets to get the correct mode
22 * left_margin = diwstart_h - borderstart_h;
23 * right_margin = borderstop_h - (diwstart_h + xres);
24 * upper_margin = diwstart_v - borderstart_v;
25 * lower_margin = borderstop_v - (diwstart_h + yres);
27 * hsync_len = borderstart_h + (hsync_total - borderstop_h);
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H A Dsh7760fb.c1 // SPDX-License-Identifier: GPL-2.0
5 * (c) 2006-2008 MSC Vertriebsges.m.b.H.,
11 * Thanks to Siegfried Schaefer <s.schaefer at schaefer-edv.de>
19 #include <linux/dma-mapping.h>
56 /* wait_for_lps - wait until power supply has reached a certain state. */
60 while (--i && ((ioread16(par->base + LDPMMR) & 3) != val)) in wait_for_lps()
64 return -ETIMEDOUT; in wait_for_lps()
72 struct sh7760fb_par *par = info->par; in sh7760fb_blank()
73 struct sh7760fb_platdata *pd = par->pd; in sh7760fb_blank()
74 unsigned short cntr = ioread16(par->base + LDCNTR); in sh7760fb_blank()
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H A Dhgafb.c2 * linux/drivers/video/hgafb.c -- Hercules graphics adaptor frame buffer device
5 * Based on skeletonfb.c by Geert Uytterhoeven and
10 * - Revision 0.1.8 (23 Oct 2002): Ported to new framebuffer api.
12 * - Revision 0.1.7 (23 Jan 2001): fix crash resulting from MDA only cards
14 * - Revision 0.1.6 (17 Aug 2000): new style structs
16 * - Revision 0.1.5 (13 Mar 2000): spinlocks instead of saveflags();cli();etc
18 * - Revision 0.1.4 (24 Jan 2000): fixed a bug in hga_card_detect() for
19 * HGA-only systems
20 * - Revision 0.1.3 (22 Jan 2000): modified for the new fb_info structure
25 * - Revision 0.1.0 (6 Dec 1999): faster scrolling and minor fixes
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/linux/Documentation/fb/
H A Dapi.rst9 ---------------
12 with frame buffer devices. In-kernel APIs between device drivers and the frame
22 ---------------
36 - FB_CAP_FOURCC
44 --------------------
46 Pixels are stored in memory in hardware-dependent formats. Applications need
52 bits_per_pixel, grayscale, red, green, blue and transp fields.
58 - FB_TYPE_PACKED_PIXELS
62 next multiple of 8 bits or packed together into bytes depends on the visual.
67 - FB_TYPE_PLANES
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/linux/drivers/video/fbdev/mmp/fb/
H A Dmmpfb.c1 // SPDX-License-Identifier: GPL-2.0-or-later
10 #include <linux/dma-mapping.h>
19 if (var->bits_per_pixel == 8) in var_to_pixfmt()
25 if (var->bits_per_pixel == 16 && var->red.length == 8 && in var_to_pixfmt()
26 var->green.length == 4 && var->blue.length == 4) { in var_to_pixfmt()
27 if (var->green.offset >= var->blue.offset) in var_to_pixfmt()
36 if (var->bits_per_pixel == 12 && var->red.length == 8 && in var_to_pixfmt()
37 var->green.length == 2 && var->blue.length == 2) { in var_to_pixfmt()
38 if (var->green.offset >= var->blue.offset) in var_to_pixfmt()
47 if (var->bits_per_pixel == 16 && var->red.length == 16 && in var_to_pixfmt()
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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/drivers/video/fbdev/i810/
H A Di810_main.c1 /*-*- linux-c -*-
2 * linux/drivers/video/i810_main.c -- Intel 810 frame buffer device
8 * Michael Vogt <mvogt@acm.org> - added support for Intel 815 chipsets
9 * and enabling the power-on state of
13 * Fredrik Andersson <krueger@shell.linux.se> - alpha testing of
16 * Brad Corrion <bcorrion@web-co.com> - alpha testing of customized
20 * DotClock and PLL calculations are partly based on i810_driver.c
22 * Watermark calculation and tables are based on i810_wmark.c
56 * voffset - framebuffer offset in MiB from aperture start address. In order for
60 * ---------------------------------------------
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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/drivers/video/fbdev/kyro/
H A Dfbdev.c56 .green = { 5, 6, 0 },
59 .height = -1,
60 .width = -1,
303 struct kyrofb_info *par = info->par; in kyro_dev_video_mode_set()
309 /* Bring us out of VGA and into Hi-Res mode, if not already. */ in kyro_dev_video_mode_set()
313 info->var.bits_per_pixel, in kyro_dev_video_mode_set()
314 info->var.xres, info->var.yres, in kyro_dev_video_mode_set()
315 par->HSP, par->VSP, &par->PIXCLK) < 0) in kyro_dev_video_mode_set()
316 return -EINVAL; in kyro_dev_video_mode_set()
322 /* Turn on display in new mode */ in kyro_dev_video_mode_set()
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/linux/Documentation/input/devices/
H A Dwalkera0701.rst2 Walkera WK-0701 transmitter
5 Walkera WK-0701 transmitter is supplied with a ready to fly Walkera
10 http://zub.fei.tuke.sk/walkera-wk0701/
13 cg-clone http://zub.fei.tuke.sk/GIT/walkera0701-joystick
19 At back side of transmitter S-video connector can be found. Modulation
26 Walkera WK-0701 TX S-VIDEO connector::
29 __ __ S-video: canon25
35 ------- 3 __________________________________|________________ 25 GND
38 I use green LED and BC109 NPN transistor.
48 (usually irq7) parport must increase if TX is on.
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/linux/drivers/video/fbdev/core/
H A Dfbmem.c6 * 2001 - Documented with DocBook
7 * - Brad Douglas <brad@neruo.com>
45 return ERR_PTR(-ENODEV); in get_fb_info()
50 refcount_inc(&fb_info->count); in get_fb_info()
58 if (!refcount_dec_and_test(&fb_info->count)) in put_fb_info()
60 if (fb_info->fbops->fb_destroy) in put_fb_info()
61 fb_info->fbops->fb_destroy(fb_info); in put_fb_info()
73 if (fix->visual == FB_VISUAL_MONO01 || in fb_get_color_depth()
74 fix->visual == FB_VISUAL_MONO10) in fb_get_color_depth()
77 if (var->green.length == var->blue.length && in fb_get_color_depth()
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H A Dsvgalib.c2 * Common utility functions for VGA-based graphics cards.
4 * Copyright (c) 2006-2007 Ondrej Zajicek <santiago@crfreenet.org>
10 * Some parts are based on David Boucher's viafb (http://davesdomain.org.uk/viafb/)
28 while (regset->regnum != VGA_REGSET_END_VAL) { in svga_wcrt_multi()
29 regval = vga_rcrt(regbase, regset->regnum); in svga_wcrt_multi()
30 bitnum = regset->lowbit; in svga_wcrt_multi()
31 while (bitnum <= regset->highbit) { in svga_wcrt_multi()
39 vga_wcrt(regbase, regset->regnum, regval); in svga_wcrt_multi()
49 while (regset->regnum != VGA_REGSET_END_VAL) { in svga_wseq_multi()
50 regval = vga_rseq(regbase, regset->regnum); in svga_wseq_multi()
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/linux/drivers/video/fbdev/matrox/
H A Dmatroxfb_crtc2.c1 // SPDX-License-Identifier: GPL-2.0-only
6 * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>
31 static int matroxfb_dh_setcolreg(unsigned regno, unsigned red, unsigned green, in matroxfb_dh_setcolreg() argument
38 if (m2info->fbcon.var.grayscale) { in matroxfb_dh_setcolreg()
40 red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8; in matroxfb_dh_setcolreg()
42 red = CNVT_TOHW(red, m2info->fbcon.var.red.length); in matroxfb_dh_setcolreg()
43 green = CNVT_TOHW(green, m2info->fbcon.var.green.length); in matroxfb_dh_setcolreg()
44 blue = CNVT_TOHW(blue, m2info->fbcon.var.blue.length); in matroxfb_dh_setcolreg()
45 transp = CNVT_TOHW(transp, m2info->fbcon.var.transp.length); in matroxfb_dh_setcolreg()
47 col = (red << m2info->fbcon.var.red.offset) | in matroxfb_dh_setcolreg()
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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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