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/openbmc/linux/Documentation/devicetree/bindings/auxdisplay/
H A Dhit,hd44780.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Geert Uytterhoeven <geert@linux-m68k.org>
14 LCDs that can display one or more lines of text. It exposes an M6800 bus
15 interface, which can be used in either 4-bit or 8-bit mode. By using a
24 data-gpios:
26 GPIO pins connected to the data signal lines DB0-DB7 (8-bit mode) or
27 DB4-DB7 (4-bit mode) of the LCD Controller's bus interface.
29 - maxItems: 4
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H A Dmodtronix,lcd2s.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Modtronix engineering LCD2S Character LCD Display
10 - Lars Poeschel <poeschel@lemonage.de>
13 The LCD2S is a Character LCD Display manufactured by Modtronix Engineering.
14 The display supports a serial I2C and SPI interface. The driver currently
24 I2C bus address of the display.
26 display-height-chars:
27 description: Height of the display, in character cells.
[all …]
/openbmc/qemu/ui/
H A Dcursor.c7 /* for creating built-in cursors */
12 unsigned int width, height, colors, chars; in cursor_parse_xpm() local
17 /* parse header line: width, height, #colors, #chars */ in cursor_parse_xpm()
19 &width, &height, &colors, &chars) != 4) { in cursor_parse_xpm()
24 if (chars != 1) { in cursor_parse_xpm()
25 fprintf(stderr, "%s: chars != 1 not supported\n", __func__); in cursor_parse_xpm()
48 c = cursor_alloc(width, height); in cursor_parse_xpm()
54 c->data[pixel] = ctab[idx]; in cursor_parse_xpm()
63 uint32_t *data = c->data; in cursor_print_ascii_art()
66 for (y = 0; y < c->height; y++) { in cursor_print_ascii_art()
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/openbmc/linux/drivers/auxdisplay/
H A Dhd44780.c1 // SPDX-License-Identifier: GPL-2.0+
5 * Copyright (C) 2000-2008, Willy Tarreau <w@1wt.eu>
6 * Copyright (C) 2016-2017 Glider bvba
43 struct hd44780_common *hdc = lcd->drvdata; in hd44780_backlight()
44 struct hd44780 *hd = hdc->hd44780; in hd44780_backlight()
46 if (hd->pins[PIN_CTRL_BL]) in hd44780_backlight()
47 gpiod_set_value_cansleep(hd->pins[PIN_CTRL_BL], on); in hd44780_backlight()
55 gpiod_set_value_cansleep(hd->pins[PIN_CTRL_E], 1); in hd44780_strobe_gpio()
60 gpiod_set_value_cansleep(hd->pins[PIN_CTRL_E], 0); in hd44780_strobe_gpio()
66 DECLARE_BITMAP(values, 10); /* for DATA[0-7], RS, RW */ in hd44780_write_gpio8()
[all …]
H A Dlcd2s.c1 // SPDX-License-Identifier: GPL-2.0
4 * The display also has a SPI interface, but the driver does not support
99 struct lcd2s_data *lcd2s = lcd->drvdata; in lcd2s_print()
102 lcd2s_i2c_master_send(lcd2s->i2c, buf, sizeof(buf)); in lcd2s_print()
108 struct lcd2s_data *lcd2s = lcd->drvdata; in lcd2s_gotoxy()
111 lcd2s_i2c_master_send(lcd2s->i2c, buf, sizeof(buf)); in lcd2s_gotoxy()
118 struct lcd2s_data *lcd2s = lcd->drvdata; in lcd2s_home()
120 lcd2s_i2c_smbus_write_byte(lcd2s->i2c, LCD2S_CMD_CUR_RESET); in lcd2s_home()
126 struct lcd2s_data *lcd2s = lcd->drvdata; in lcd2s_init_display()
128 /* turn everything off, but display on */ in lcd2s_init_display()
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H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
4 # see Documentation/kbuild/kconfig-language.rst.
6 # Auxiliary display drivers configuration.
10 bool "Auxiliary Display support"
12 Say Y here to get to see options for auxiliary display drivers.
22 This is the base system for character-based LCD displays.
23 It makes no sense to have this alone, you select your display driver
29 tristate "Character line display core support" if COMPILE_TEST
31 This is the core support for single-line character displays, to be
40 useful alone. If you have some sort of HD44780 compatible display,
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H A Dcharlcd.c1 // SPDX-License-Identifier: GPL-2.0+
5 * Copyright (C) 2000-2008, Willy Tarreau <w@1wt.eu>
6 * Copyright (C) 2016-2017 Glider bvba
27 #define LCD_ESCAPE_LEN 24 /* Max chars for LCD escape command */
42 /* Current escape sequence and it's length or -1 if outside */
53 /* Device single-open policy control */
61 if (!lcd->ops->backlight) in charlcd_backlight()
64 mutex_lock(&priv->bl_tempo_lock); in charlcd_backlight()
65 if (!priv->bl_tempo) in charlcd_backlight()
66 lcd->ops->backlight(lcd, on); in charlcd_backlight()
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/openbmc/linux/arch/arm/boot/dts/marvell/
H A Dkirkwood-netgear_readynas_nv+_v2.dts1 // SPDX-License-Identifier: GPL-2.0+
8 /dts-v1/;
11 #include "kirkwood-6282.dtsi"
15 …compatible = "netgear,readynas-nv+-v2", "netgear,readynas", "marvell,kirkwood-88f6282", "marvell,k…
24 stdout-path = &uart0;
28 pinctrl: pin-controller@10000 {
29 pmx_button_power: pmx-button-power {
34 pmx_button_backup: pmx-button-backup {
39 pmx_button_reset: pmx-button-reset {
44 pmx_led_blue_power: pmx-led-blue-power {
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H A Darmada-370-netgear-rn104.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
8 /dts-v1/;
10 #include <dt-bindings/input/input.h>
11 #include <dt-bindings/gpio/gpio.h>
12 #include "armada-370.dtsi"
16 compatible = "netgear,readynas-104", "marvell,armada370", "marvell,armada-370-xp";
19 stdout-path = "serial0:115200n8";
32 internal-regs {
44 pinctrl-0 = <&ge0_rgmii_pins>;
45 pinctrl-names = "default";
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/openbmc/qemu/qapi/
H A Dchar.json1 # -*- Mode: Python -*-
20 # @frontend-open: shows whether the frontend device attached to this
32 'frontend-open': 'bool' } }
35 # @query-chardev:
43 # .. qmp-example::
45 # -> { "execute": "query-chardev" }
46 # <- {
51 # "frontend-open": false
56 # "frontend-open": true
61 # "frontend-open": true
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/openbmc/u-boot/scripts/kconfig/lxdialog/
H A Dutil.c1 // SPDX-License-Identifier: GPL-2.0+
171 init_pair(pair, color->fg, color->bg); in init_one_color()
172 if (color->hl) in init_one_color()
173 color->atr = A_BOLD | COLOR_PAIR(pair); in init_one_color()
175 color->atr = COLOR_PAIR(pair); in init_one_color()
212 * Setup for color display
229 void attr_clear(WINDOW * win, int height, int width, chtype attr) in attr_clear() argument
236 for (j = 0; j < width; j++) in attr_clear()
250 /* Display background title if it exists ... - SLH */ in dialog_clear()
258 for (pos = dlg.subtitles; pos != NULL; pos = pos->next) { in dialog_clear()
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/openbmc/linux/scripts/kconfig/lxdialog/
H A Dutil.c1 // SPDX-License-Identifier: GPL-2.0+
171 init_pair(pair, color->fg, color->bg); in init_one_color()
172 if (color->hl) in init_one_color()
173 color->atr = A_BOLD | COLOR_PAIR(pair); in init_one_color()
175 color->atr = COLOR_PAIR(pair); in init_one_color()
212 * Setup for color display
229 void attr_clear(WINDOW * win, int height, int width, chtype attr) in attr_clear() argument
236 for (j = 0; j < width; j++) in attr_clear()
250 /* Display background title if it exists ... - SLH */ in dialog_clear()
258 for (pos = dlg.subtitles; pos != NULL; pos = pos->next) { in dialog_clear()
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/openbmc/linux/drivers/parisc/
H A Dled.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Chassis LCD/LED driver for HP-PARISC workstations
8 * (c) Copyright 2000-2023 Helge Deller <deller@gmx.de>
53 lcd_cmd_reg_addr needs to be 64bit aligned on 64bit PA2.0-machines */
56 unsigned long lcd_width:16; /* width of the LCD in chars (DISPLAY_MODEL_LCD only) */
57 unsigned long lcd_cmd_reg_addr; /* ptr to LCD cmd-register & data ptr for LED */
58 unsigned long lcd_data_reg_addr; /* ptr to LCD data-register (LCD only) */
59 unsigned int min_cmd_delay; /* delay in uS after cmd-write (LCD only) */
75 /* lcd_info is pre-initialized to the values needed to program KittyHawk LCD's
94 /* ptr to LCD/LED-specific function */
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/openbmc/linux/arch/powerpc/platforms/powermac/
H A Dbootx_init.c1 // SPDX-License-Identifier: GPL-2.0-or-later
38 /* Is boot-info compatible ? */
40 ((bi)->compatible_version <= BOOT_INFO_VERSION)
41 #define BOOT_INFO_IS_V2_COMPATIBLE(bi) ((bi)->version >= 2)
42 #define BOOT_INFO_IS_V4_COMPATIBLE(bi) ((bi)->version >= 4)
56 btext_drawtext(p, q - p); in bootx_printf()
95 u32 *ppp = &np->properties; in bootx_early_getprop()
101 if (strcmp((char *)((unsigned long)pp->name + base), in bootx_early_getprop()
103 return (void *)((unsigned long)pp->value + base); in bootx_early_getprop()
105 ppp = &pp->next; in bootx_early_getprop()
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/openbmc/qemu/hw/display/
H A Dvga.c30 #include "hw/display/vga.h"
50 /* Address mask for non-VESA modes. */
54 * in 9-dot text mode. In other modes, bit 3 is undefined;
132 return s->vbe_regs[VBE_DISPI_INDEX_ENABLE] & VBE_DISPI_ENABLED; in vbe_enabled()
137 return vbe_enabled(s) ? s->sr_vbe[idx] : s->sr[idx]; in sr()
144 if (s->legacy_address_space == NULL) { in vga_update_memory_access()
148 if (s->has_chain4_alias) { in vga_update_memory_access()
149 memory_region_del_subregion(s->legacy_address_space, &s->chain4_alias); in vga_update_memory_access()
150 object_unparent(OBJECT(&s->chain4_alias)); in vga_update_memory_access()
151 s->has_chain4_alias = false; in vga_update_memory_access()
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/openbmc/linux/drivers/tty/vt/
H A Dvt.c1 // SPDX-License-Identifier: GPL-2.0
12 * Chars, and VT100 enhancements by Peter MacDonald.
17 * Code to check for different video-cards mostly by Galen Hunt,
18 * <g-hunt@ee.utah.edu>
20 * Rudimentary ISO 10646/Unicode/UTF-8 character set support by
21 * Markus Kuhn, <mskuhn@immd4.informatik.uni-erlangen.de>.
26 * Code for xterm like mouse click reporting by Peter Orbaek 20-Jul-94
29 * User-defined bell sound, new setterm control sequences and printk
30 * redirection by Martin Mares <mj@k332.feld.cvut.cz> 19-Nov-95
35 * <geert@linux-m68k.org>, Jan 1997.
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/openbmc/linux/arch/parisc/kernel/
H A Dprocessor.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Initial setup-routines for HP 9000 based hardware.
6 * Modifications for PA-RISC (C) 1999-2008 Helge Deller <deller@gmx.de>
12 * Initial PA-RISC Version: 04-23-1999 by Helge Deller
32 #include <asm/parisc-device.h>
44 ** PARISC CPU driver - claim "device" and initialize CPU data structures.
50 ** The callback *should* do per-instance initialization of
62 * init_percpu_prof - enable/setup per cpu profiling hooks.
74 * processor_probe - Determine if processor driver should claim this device.
104 txn_addr = dev->hpa.start; /* for legacy PDC */ in processor_probe()
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H A Dfirmware.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * arch/parisc/kernel/firmware.c - safe PDC access routines
14 * Copyright 2003 Grant Grundler <grundler parisc-linux org>
15 * Copyright 2003,2004 Ryan Bradetich <rbrad@parisc-linux.org>
16 * Copyright 2004,2006 Thibaut VARENE <varenet@parisc-linux.org>
22 * - the name of the pdc wrapper should match one of the macros
24 * - don't use caps for random parts of the name
25 * - use the static PDC result buffers and "copyout" to structs
27 * - hold pdc_lock while in PDC or using static result buffers
28 * - use __pa() to convert virtual (kernel) pointers to physical
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/openbmc/qemu/pc-bios/
HDopenbios-sparc32 ... nctx sparc-version cache-coherence? mid finish-device display input-device $setenv output-device
HDopenbios-ppc ... : Unexpected exception %x /rom/macos insert-copyright-property display vbe-deinit execute QEMU Incompatible ...
/openbmc/linux/arch/alpha/kernel/
H A Dsetup.c1 // SPDX-License-Identifier: GPL-2.0
100 * "srmcons" - early callback prints
101 * "console=srm" - full callback based console, including early prints
137 * i386-setup code. This is just enough to make the console
138 * code think we're on a VGA color display.
229 { .name = "rtc", .start = -1, .end = -1 }, in reserve_std_resources()
244 for (hose = hose_head; hose; hose = hose->next) in reserve_std_resources()
245 if (hose->index == 0) { in reserve_std_resources()
246 io = hose->io_space; in reserve_std_resources()
261 for ((_cluster) = (memdesc)->cluster, (i) = 0; \
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/openbmc/openbmc-tools/dbus-vis/
H A Dtimeline_view.js20 let PAD = 1, // To make up for the extra stroke width
46 ctx.strokeRect(x + PAD, y + PAD, w - 2 * PAD, h - 2 * PAD);
50 let dx0 = x + PAD2 + (w - 2 * PAD2) * 1.0 * i / buckets.length,
51 dx1 = x + PAD2 + (w - 2 * PAD2) * 1.0 * (i + 1) / buckets.length,
52 dy0 = y + h - h * 1.0 * buckets[i] / maxCount, dy1 = y + h;
61 threshEntry[0][1] = hist[0] + (hist[1] - hist[0]) / bucketsLen * i;
63 if (cumDensity0 < 1 - HISTOGRAM_RIGHT_TAIL_WIDTH &&
64 cumDensity1 >= 1 - HISTOGRAM_RIGHT_TAIL_WIDTH) {
65 threshEntry[1][0] = (i - 1) / buckets.length;
67 hist[0] + (hist[1] - hist[0]) / bucketsLen * (i - 1);
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/openbmc/linux/drivers/gpu/drm/omapdrm/
H A Domap_dmm_tiler.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/
12 #include <linux/dma-mapping.h>
50 .slot_w = 1 << (SLOT_WIDTH_BITS - (xshift)), \
51 .slot_h = 1 << (SLOT_HEIGHT_BITS - (yshift)), \
55 u32 x_shft; /* unused X-bits (as part of bpp) */
56 u32 y_shft; /* unused Y-bits (as part of bpp) */
57 u32 cpp; /* bytes/chars per pixel */
58 u32 slot_w; /* width of each slot (in pixels) */
68 /* lookup table for registers w/ per-engine instances */
[all …]
/openbmc/linux/arch/powerpc/kernel/
H A Dprom_init.c1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * Copyright (C) 1996-2005 Paul Mackerras.
46 #include <asm/asm-prototypes.h>
47 #include <asm/ultravisor-api.h>
72 * On ppc32 we compile with -mrelocatable, which means that references
83 * arguments to call_prom should be 32-bit values.
216 * Error results ... some OF calls will return "-1" on error, some
222 #define PROM_ERROR (-1u)
236 return c1 < c2 ? -1 : 1; in prom_strcmp()
249 return -E2BIG; in prom_strscpy_pad()
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/openbmc/linux/drivers/gpu/drm/
H A Ddrm_edid.c3 * Copyright (c) 2007-2008 Intel Corporation
24 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
78 /* Force reduced-blanking timings for detailed modes */
88 /* Non desktop display (i.e. HMD) */
129 /* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */
135 /* SDC panel of Lenovo B50-80 reports 8 bpc, but is a 6 bpc panel */
145 /* Envision Peripherals, Inc. EN-7100e */
163 /* LG Philips LCD LP154W01-A5 */
169 /* Samsung SyncMaster 22[5-6]BW */
173 /* Sony PVM-2541A does up to 12 bpc, but only reports max 8 bpc */
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