| /openbmc/linux/Documentation/devicetree/bindings/display/panel/ |
| H A D | display-timings.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/display/panel/display-timings.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: display timings
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
12 - Sam Ravnborg <sam@ravnborg.org>
15 A display panel may be able to handle several display timings,
17 The display-timings node makes it possible to specify the timings
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| H A D | panel-common.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/panel/panel-common.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Common Properties for Display Panels
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
15 display panels. It doesn't constitute a device tree binding specification by
24 width-mm:
29 height-mm:
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| H A D | samsung,s6e8aa0.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/panel/samsung,s6e8aa0.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Andrzej Hajda <a.hajda@samsung.com>
13 - $ref: panel-common.yaml#
20 reset-gpios: true
21 display-timings: true
23 vdd3-supply:
26 vci-supply:
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| H A D | samsung,ld9040.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/panel/samsung,ld9040.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Andrzej Hajda <a.hajda@samsung.com>
13 - $ref: panel-common.yaml#
14 - $ref: /schemas/spi/spi-peripheral-props.yaml#
20 display-timings: true
23 reset-gpios: true
25 vdd3-supply:
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| H A D | panel-edp.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/display/panel/panel-edp.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Douglas Anderson <dianders@chromium.org>
14 to a Embedded DisplayPort AUX bus (see display/dp-aux-bus.yaml) without
17 board, either for second-sourcing purposes or to support multiple SKUs
23 the panel. We can use this to identify display size, resolution, and
24 timings among other things.
27 provided anywhere on the DP AUX bus is the power sequencing timings.
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| /openbmc/linux/Documentation/devicetree/bindings/display/imx/ |
| H A D | ldb.txt | 1 Device-Tree bindings for LVDS Display Bridge (ldb)
3 LVDS Display Bridge
6 The LVDS Display Bridge device tree node contains up to two lvds-channel
10 - #address-cells : should be <1>
11 - #size-cells : should be <0>
12 - compatible : should be "fsl,imx53-ldb" or "fsl,imx6q-ldb".
14 multiplexer in the front to select any of the four IPU display
16 - gpr : should be <&gpr> on i.MX53 and i.MX6q.
17 The phandle points to the iomuxc-gpr region containing the LVDS
19 - clocks, clock-names : phandles to the LDB divider and selector clocks and to
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| /openbmc/u-boot/drivers/video/ |
| H A D | mali_dp.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2016-2018 ARM Ltd.
12 #include <display.h>
92 struct udevice *display; /* display device attached */ member
127 while (tries--) { in malidp_wait_configdone()
128 status = readl(malidp->dc_status_addr); in malidp_wait_configdone()
129 if ((status >> malidp->config_bit_shift) & 1) in malidp_wait_configdone()
135 return -ETIMEDOUT; in malidp_wait_configdone()
145 setbits_le32(malidp->dc_control_addr, 1 << malidp->config_bit_shift); in malidp_enter_config()
154 clrbits_le32(malidp->dc_control_addr, 1 << malidp->config_bit_shift); in malidp_leave_config()
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| /openbmc/u-boot/include/ |
| H A D | panel.h | 1 /* SPDX-License-Identifier: GPL-2.0+ */
12 * enable_backlight() - Enable the panel backlight
15 * @return 0 if OK, -ve on error
20 * set_backlight - Set panel backlight brightness
24 * @return 0 if OK, -ve on error
29 * get_timings() - Get display timings from panel.
31 * @dev: Panel device containing the display timings
32 * @tim: Place to put timings
33 * @return 0 if OK, -ve on error
39 #define panel_get_ops(dev) ((struct panel_ops *)(dev)->driver->ops)
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| H A D | display.h | 1 /* SPDX-License-Identifier: GPL-2.0+ */
13 * Display uclass platform data for each device
15 * @source_id: ID for the source of the display data, typically a video
18 * @in_use: Display is being used
27 * display_read_timing() - Read timing information
30 * @return 0 if OK, -ve on error
35 * display_port_enable() - Enable a display port device
39 * @timing: Display timings
40 * @return 0 if OK, -ve on error
46 * display_in_use() - Check if a display is in use by any device
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| /openbmc/qemu/hw/display/ |
| H A D | edid-generate.c | 5 * See the COPYING file in the top-level directory.
9 #include "hw/display/edid.h"
19 /* dea/dta extension timings (all @ 50 Hz) */
27 /* dea/dta extension timings (all @ 60 Hz) */
30 /* additional standard timings 3 (all @ 60Hz) */
45 /* established timings (all @ 60Hz) */
51 typedef struct Timings { struct
61 } Timings; argument
63 static void generate_timings(Timings *timings, uint32_t refresh_rate, in generate_timings() argument
66 /* pull some realistic looking timings out of thin air */ in generate_timings()
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| /openbmc/linux/Documentation/fb/ |
| H A D | modedb.rst | 9 - one routine to probe for video modes, which can be used by all frame buffer
11 - one generic video mode database with a fair amount of standard videomodes
13 - the possibility to supply your own mode database for graphics hardware that
14 needs non-standard modes, like amifb and Mac frame buffer drivers (which
23 <xres>x<yres>[M][R][-<bpp>][@<refresh>][i][m][eDd]
24 <name>[-<bpp>][@<refresh>]
31 - NSTC: 480i output, with the CCIR System-M TV mode and NTSC color encoding
32 - NTSC-J: 480i output, with the CCIR System-M TV mode, the NTSC color
34 - PAL: 576i output, with the CCIR System-B TV mode and PAL color encoding
35 - PAL-M: 480i output, with the CCIR System-M TV mode and PAL color encoding
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| /openbmc/linux/drivers/video/fbdev/omap2/omapfb/ |
| H A D | omapfb-main.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * linux/drivers/video/omap2/omapfb-main.c
16 #include <linux/dma-mapping.h>
56 struct fb_var_screeninfo *var = &fbi->var; in draw_pixel()
57 struct fb_fix_screeninfo *fix = &fbi->fix; in draw_pixel()
58 void __iomem *addr = fbi->screen_base; in draw_pixel()
59 const unsigned bytespp = var->bits_per_pixel >> 3; in draw_pixel()
60 const unsigned line_len = fix->line_length / bytespp; in draw_pixel()
66 if (var->bits_per_pixel == 16) { in draw_pixel()
75 } else if (var->bits_per_pixel == 24) { in draw_pixel()
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| /openbmc/linux/include/video/ |
| H A D | display_timing.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * description of display timings
47 * Single "mode" entry. This describes one set of signal timings a display can
56 * |<- sync ->|<- back ->|<----- active ----->|<- front ->|<- sync..
76 enum display_flags flags; /* display flags */
80 * This describes all timing settings a display provides.
81 * The native_mode is the default setting for this display.
89 struct display_timing **timings; member
97 if (disp->num_timings > index) in display_timings_get()
98 return disp->timings[index]; in display_timings_get()
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| H A D | videomode.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
31 enum display_flags flags; /* display flags */
35 * videomode_from_timing - convert display timing to videomode
46 * videomode_from_timings - convert one display timings entry to videomode
49 * @index: index into the list of display timings in devicetree
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| /openbmc/linux/Documentation/devicetree/bindings/display/samsung/ |
| H A D | samsung,exynos7-decon.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/display/samsung/samsung,exynos7-decon.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Samsung Exynos7 SoC Display and Enhancement Controller (DECON)
10 - Inki Dae <inki.dae@samsung.com>
11 - Seung-Woo Kim <sw0312.kim@samsung.com>
12 - Kyungmin Park <kyungmin.park@samsung.com>
13 - Krzysztof Kozlowski <krzk@kernel.org>
16 DECON (Display and Enhancement Controller) is the Display Controller for the
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| /openbmc/linux/Documentation/devicetree/bindings/display/tilcdc/ |
| H A D | panel.txt | 1 Device-Tree bindings for tilcdc DRM generic panel output driver
4 - compatible: value should be "ti,tilcdc,panel".
5 - panel-info: configuration info to configure LCDC correctly for the panel
6 - ac-bias: AC Bias Pin Frequency
7 - ac-bias-intrpt: AC Bias Pin Transitions per Interrupt
8 - dma-burst-sz: DMA burst size
9 - bpp: Bits per pixel
10 - fdd: FIFO DMA Request Delay
11 - sync-edge: Horizontal and Vertical Sync Edge: 0=rising 1=falling
12 - sync-ctrl: Horizontal and Vertical Sync: Control: 0=ignore
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| /openbmc/linux/Documentation/arch/arm/omap/ |
| H A D | dss.rst | 2 OMAP2/3 Display Subsystem
7 TV-out and multiple display support, but there are lots of small improvements
10 The DSS2 driver (omapdss module) is in arch/arm/plat-omap/dss/, and the FB,
15 --------
19 - MIPI DPI (parallel) output
20 - MIPI DSI output in command mode
21 - MIPI DBI (RFBI) output
22 - SDI output
23 - TV output
24 - All pieces can be compiled as a module or inside kernel
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| /openbmc/linux/drivers/video/fbdev/core/ |
| H A D | fbmon.c | 11 * Copyright (C) 1991-2002 SciTech Software, Inc. All rights reserved.
14 * Copyright 1998 by Egbert Eich <Egbert.Eich@Physik.TU-Darmstadt.DE>
62 /* DEC FR-PCXAV-YZ */
93 while (i-- && (*--s == 0x20)) *s = 0; in copy_string()
178 /* Only if display is GTF capable will in check_edid()
224 printk("fbmon: trying to fix monitor timings\n"); in fix_edid()
240 b[9] = 17; /* pixclock - 170 MHz*/ in fix_edid()
248 for (i = 0; i < EDID_LENGTH - 1; i++) in fix_edid()
251 edid[127] = 256 - csum; in fix_edid()
294 specs->manufacturer[0] = ((block[0] & 0x7c) >> 2) + '@'; in parse_vendor_block()
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| /openbmc/linux/Documentation/devicetree/bindings/display/exynos/ |
| H A D | exynos_dp.txt | 1 The Exynos display port interface should be configured based on
5 -dp-controller node
6 -dptx-phy node(defined inside dp-controller node)
8 For the DP-PHY initialization, we use the dptx-phy node.
9 Required properties for dptx-phy: deprecated, use phys and phy-names
10 -reg: deprecated
12 -samsung,enable-mask: deprecated
13 The bit-mask used to enable/disable DP PHY.
15 For the Panel initialization, we read data from dp-controller node.
16 Required properties for dp-controller:
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| /openbmc/u-boot/doc/device-tree-bindings/video/ |
| H A D | display-timing.txt | 1 display-timing bindings
4 display-timings node
5 --------------------
8 - none
11 - native-mode: The native mode for the display, in case multiple modes are
15 --------------
18 - hactive, vactive: display resolution
19 - hfront-porch, hback-porch, hsync-len: horizontal display timing parameters
21 vfront-porch, vback-porch, vsync-len: vertical display timing parameters in
23 - clock-frequency: display clock in Hz
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| H A D | tegra20-dc.txt | 1 Display Controller
2 ------------------
5 U-Boot, and may change based on Linux activity)
7 The device node for a display device is as described in the document
12 - compatible : Should be "nvidia,tegra20-dc"
17 - nvidia,panel : phandle of LCD panel information
24 - nvidia,bits-per-pixel: number of bits per pixel (depth)
25 - nvidia,pwm : pwm to use to set display contrast (see tegra20-pwm.txt)
26 - nvidia,panel-timings: 4 cells containing required timings in ms:
28 * delay between panel_vdd-rise and data-rise
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| /openbmc/linux/drivers/video/ |
| H A D | of_display_timing.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * OF helpers for parsing display timings
16 * parse_timing_property - parse timing_entry from device_node
34 return -EINVAL; in parse_timing_property()
39 ret = of_property_read_u32(np, name, &result->typ); in parse_timing_property()
40 result->min = result->typ; in parse_timing_property()
41 result->max = result->typ; in parse_timing_property()
43 ret = of_property_read_u32_array(np, name, &result->min, cells); in parse_timing_property()
46 return -EINVAL; in parse_timing_property()
53 * of_parse_display_timing - parse display_timing entry from device_node
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| /openbmc/linux/include/drm/ |
| H A D | drm_modes.h | 3 * Copyright © 2007-2008 Dave Airlie
4 * Copyright © 2007-2008 Intel Corporation
40 * DVI, etc. And 'screen' refers to the whole of the visible display, which
46 * enum drm_mode_status - hardware support status of a mode
50 * @MODE_H_ILLEGAL: mode has illegal horizontal timings
51 * @MODE_V_ILLEGAL: mode has illegal vertical timings
129 MODE_STALE = -3,
130 MODE_BAD = -2,
131 MODE_ERROR = -1
142 * DRM_MODE_RES_MM - Calculates the display size from resolution and DPI
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| /openbmc/linux/Documentation/devicetree/bindings/display/ |
| H A D | wm,wm8505-fb.txt | 2 -----------------------------------------------------
5 - compatible : "wm,wm8505-fb"
6 - reg : Should contain 1 register ranges(address and length)
7 - bits-per-pixel : bit depth of framebuffer (16 or 32)
10 - display-timings: see display-timing.txt for information
15 compatible = "wm,wm8505-fb";
17 bits-per-pixel = <16>;
19 display-timings {
20 native-mode = <&timing0>;
22 clock-frequency = <0>; /* unused but required */
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| H A D | via,vt8500-fb.txt | 2 -----------------------------------------------------
5 - compatible : "via,vt8500-fb"
6 - reg : Should contain 1 register ranges(address and length)
7 - interrupts : framebuffer controller interrupt
8 - bits-per-pixel : bit depth of framebuffer (16 or 32)
11 - display-timings: see display-timing.txt for information
16 compatible = "via,vt8500-fb";
19 bits-per-pixel = <16>;
21 display-timings {
22 native-mode = <&timing0>;
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