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/linux-6.12.1/arch/mips/math-emu/
Dsp_maddf.c1 // SPDX-License-Identifier: GPL-2.0-only
15 static union ieee754sp _sp_maddf(union ieee754sp z, union ieee754sp x, in _sp_maddf() argument
46 * Handle the cases when at least one of x, y or z is a NaN. in _sp_maddf()
47 * Order of precedence is sNaN, qNaN and z, x, y. in _sp_maddf()
50 return ieee754sp_nanxcpt(z); in _sp_maddf()
56 return z; in _sp_maddf()
64 /* ZERO z cases are handled separately below */ in _sp_maddf()
91 * z is here either not an infinity, or an infinity having the in _sp_maddf()
105 /* Handle cases +0 + (-0) and similar ones. */ in _sp_maddf()
111 * such case determined only by the sign of z. in _sp_maddf()
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Ddp_maddf.c1 // SPDX-License-Identifier: GPL-2.0-only
28 *lptr = *hptr >> (count - 64); in srl128()
29 *lptr |= (*hptr << (128 - count)) != 0 || low != 0; in srl128()
34 *lptr = low >> count | *hptr << (64 - count); in srl128()
35 *lptr |= (low << (64 - count)) != 0; in srl128()
40 static union ieee754dp _dp_maddf(union ieee754dp z, union ieee754dp x, in _dp_maddf() argument
78 * Handle the cases when at least one of x, y or z is a NaN. in _dp_maddf()
79 * Order of precedence is sNaN, qNaN and z, x, y. in _dp_maddf()
82 return ieee754dp_nanxcpt(z); in _dp_maddf()
88 return z; in _dp_maddf()
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/linux-6.12.1/arch/m68k/fpsp040/
Dsacos.S8 | Input: Double-extended number X in location pointed to
11 | Output: The value arccos(X) returned in floating-point register Fp0.
26 | z := (1-X) / (1+X)
27 | acos(X) = 2 * atan( sqrt(z) ).
57 |--ACOS(X) = PI/2 FOR DENORMALIZED X
66 movel (%a0),%d0 | ...pack exponent with upper 16 fraction
72 |--THIS IS THE USUAL CASE, |X| < 1
73 |--ACOS(X) = 2 * ATAN( SQRT( (1-X)/(1+X) ) )
77 fnegx %fp0 | ... -X
78 fadds #0x3F800000,%fp0 | ...1-X
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Dsatan.S8 | Input: Double-extended value in memory location pointed to by address
11 | Output: Arctan(X) returned in floating-point register Fp0.
25 | Step 2. Let X = sgn * 2**k * 1.xxxxxxxx...x. Note that k = -4, -3,..., or 3.
27 | of X with a bit-1 attached at the 6-th bit position. Define u
28 | to be u = (X-F) / (1 + X*F).
39 | Step 7. Define X' = -1/X. Approximate arctan(X') by an odd polynomial in X'.
232 |--ENTRY POINT FOR ATAN(X) FOR DENORMALIZED ARGUMENT
238 |--ENTRY POINT FOR ATAN(X), HERE X IS FINITE, NON-ZERO, AND NOT NAN'S
257 |--THE MOST LIKELY CASE, |X| IN [1/16, 16). WE USE TABLE TECHNIQUE
258 |--THE IDEA IS ATAN(X) = ATAN(F) + ATAN( [X-F] / [1+XF] ).
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/linux-6.12.1/Documentation/devicetree/bindings/mfd/
Dst,stmpe.yaml1 # 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: /schemas/spi/spi-peripheral-props.yaml#
23 - st,stmpe601
24 - st,stmpe801
25 - st,stmpe811
26 - st,stmpe1600
27 - st,stmpe1601
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/linux-6.12.1/drivers/hid/amd-sfh-hid/sfh1_1/
Damd_sfh_desc.c1 // SPDX-License-Identifier: GPL-2.0-or-later
11 #include <linux/hid-sensor-ids.h>
63 common->report_id = report_id; in get_common_features()
64 common->connection_type = HID_USAGE_SENSOR_PROPERTY_CONNECTION_TYPE_PC_INTEGRATED_ENUM; in get_common_features()
65 common->report_state = SENSOR_PROP_REPORTING_STATE_ALL_EVENTS_ENUM; in get_common_features()
66 common->power_state = SENSOR_PROP_POWER_STATE_D0_FULL_POWER_ENUM; in get_common_features()
67 common->sensor_state = HID_USAGE_SENSOR_STATE_INITIALIZING_ENUM; in get_common_features()
68 common->report_interval = HID_DEFAULT_REPORT_INTERVAL; in get_common_features()
130 common->report_id = report_id; in get_common_inputs()
131 common->sensor_state = HID_USAGE_SENSOR_STATE_READY_ENUM; in get_common_inputs()
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/linux-6.12.1/arch/arm/boot/dts/intel/socfpga/
Dsocfpga_cyclone5_mcvevk.dts1 // SPDX-License-Identifier: GPL-2.0+
10 compatible = "denx,mcvevk", "altr,socfpga-cyclone5", "altr,socfpga";
14 stmpe-i2c0 = &stmpe1;
18 stdout-path = "serial0:115200n8";
31 phy-mode = "rgmii";
49 clock-frequency = <100000>;
53 #address-cells = <1>;
54 #size-cells = <0>;
58 irq-gpio = <&portb 28 0x4>; /* GPIO 57, trig. level HI */
61 compatible = "st,stmpe-ts";
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/linux-6.12.1/arch/arm/boot/dts/nxp/imx/
Dimx53-m53.dtsi1 // SPDX-License-Identifier: GPL-2.0-or-later
10 compatible = "aries,imx53-m53", "denx,imx53-m53", "fsl,imx53";
18 reg_3p2v: regulator-3p2v {
19 compatible = "regulator-fixed";
20 regulator-name = "3P2V";
21 regulator-min-microvolt = <3200000>;
22 regulator-max-microvolt = <3200000>;
23 regulator-always-on;
26 reg_backlight: regulator-backlight {
27 compatible = "regulator-fixed";
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Dimx6ul-phytec-segin-peb-av-02.dtsi1 // SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
9 backlight_lcd: backlight-lcd {
10 compatible = "pwm-backlight";
11 brightness-levels = <0 4 8 16 32 64 128 255>;
12 default-brightness-level = <5>;
13 power-supply = <&reg_backlight_en>;
18 lcd_panel: lcd-panel {
25 remote-endpoint = <&lcdif_parallel_out>;
30 reg_backlight_en: regulator-backlight-en {
31 compatible = "regulator-fixed";
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Dimx6ul-isiot.dtsi1 // SPDX-License-Identifier: GPL-2.0 OR X11
7 #include <dt-bindings/gpio/gpio.h>
8 #include <dt-bindings/input/input.h>
18 stdout-path = &uart1;
22 compatible = "pwm-backlight";
24 brightness-levels = < 0 1 2 3 4 5 6 7 8 9
35 default-brightness-level = <100>;
38 reg_1p8v: regulator-1p8v {
39 compatible = "regulator-fixed";
40 regulator-name = "1P8V";
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Dmba6ulx.dtsi1 // SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
3 * Copyright 2018-2022 TQ-Systems GmbH
4 * Author: Markus Niebel <Markus.Niebel@tq-group.com>
8 model = "TQ-Systems MBA6ULx Baseboard";
18 stdout-path = &uart1;
22 compatible = "pwm-backlight";
23 power-supply = <&reg_mba6ul_3v3>;
24 enable-gpios = <&expander_out0 4 GPIO_ACTIVE_HIGH>;
29 compatible = "gpio-beeper";
33 gpio_buttons: gpio-keys {
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Dimx6qdl-phytec-mira.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
14 compatible = "pwm-backlight";
15 brightness-levels = <0 4 8 16 32 64 128 255>;
16 default-brightness-level = <7>;
17 power-supply = <&reg_backlight>;
23 compatible = "gpio-leds";
24 pinctrl-names = "default";
25 pinctrl-0 = <&pinctrl_gpioleds>;
28 led-red {
29 label = "phyboard-mira:red";
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/linux-6.12.1/lib/math/
Ddiv64.c1 // SPDX-License-Identifier: GPL-2.0
5 * Based on former do_div() implementation from asm-parisc/div64.h:
6 * Copyright (C) 1999 Hewlett-Packard Co
7 * Copyright (C) 1999 David Mosberger-Tang <davidm@hpl.hp.com>
16 * for some CPUs. __div64_32() can be overridden by linking arch-specific
44 rem -= (uint64_t) (high*base) << 32; in __div64_32()
54 rem -= b; in __div64_32()
73 quotient = div_u64_rem(-dividend, abs(divisor), (u32 *)remainder); in div_s64_rem()
74 *remainder = -*remainder; in div_s64_rem()
76 quotient = -quotient; in div_s64_rem()
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/linux-6.12.1/arch/arm/boot/dts/st/
Dstm32f429-disco.dts2 * Copyright 2015 - Maxime Coquelin <mcoquelin.stm32@gmail.com>
4 * This file is dual-licensed: you can use it either under the terms
22 * MA 02110-1301 USA
48 /dts-v1/;
50 #include "stm32f429-pinctrl.dtsi"
51 #include <dt-bindings/input/input.h>
52 #include <dt-bindings/interrupt-controller/irq.h>
53 #include <dt-bindings/gpio/gpio.h>
56 model = "STMicroelectronics STM32F429i-DISCO board";
57 compatible = "st,stm32f429i-disco", "st,stm32f429";
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Dspear320-hmi.dts1 // SPDX-License-Identifier: GPL-2.0-or-later
8 /dts-v1/;
13 compatible = "st,spear320-hmi", "st,spear320";
14 #address-cells = <1>;
15 #size-cells = <1>;
23 st,pinmux-mode = <4>;
24 pinctrl-names = "default";
25 pinctrl-0 = <&state_default>;
107 label = "u-boot";
129 compatible = "gpio-keys";
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Dspear1310-evb.dts1 // SPDX-License-Identifier: GPL-2.0-or-later
8 /dts-v1/;
13 compatible = "st,spear1310-evb", "st,spear1310";
14 #address-cells = <1>;
15 #size-cells = <1>;
23 pinctrl-names = "default";
24 pinctrl-0 = <&state_default>;
63 smi-pmx {
127 label = "u-boot";
149 compatible = "gpio-keys";
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Dspear1340-evb.dts1 // SPDX-License-Identifier: GPL-2.0-or-later
8 /dts-v1/;
13 compatible = "st,spear1340-evb", "st,spear1340";
14 #address-cells = <1>;
15 #size-cells = <1>;
23 pinctrl-names = "default";
24 pinctrl-0 = <&state_default>;
47 spdif-in {
51 spdif-out {
59 smi-pmx {
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Dstm32mp157c-phycore-stm32mp15-som.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
3 * Copyright (C) 2022-2023 Steffen Trumtrar <kernel@pengutronix.de>
4 * Copyright (C) Phytec GmbH 2019-2020 - All Rights Reserved
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/input/input.h>
10 #include <dt-bindings/interrupt-controller/arm-gic.h>
11 #include <dt-bindings/interrupt-controller/irq.h>
12 #include <dt-bindings/leds/common.h>
13 #include <dt-bindings/leds/leds-pca9532.h>
14 #include <dt-bindings/mfd/st,stpmic1.h>
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/linux-6.12.1/drivers/input/touchscreen/
Dstmpe-ts.c1 // SPDX-License-Identifier: GPL-2.0-or-later
46 #define STMPE_TS_NAME "stmpe-ts"
50 * struct stmpe_touch - stmpe811 touch screen controller state
57 * (0 -> 1 sample, 1 -> 2 samples, 2 -> 4 samples, 3 -> 8 samples)
59 * (0 -> 10 us, 1 -> 50 us, 2 -> 100 us, 3 -> 500 us,
60 * 4-> 1 ms, 5 -> 5 ms, 6 -> 10 ms, 7 -> 50 ms)
63 * (0 -> 10 us, 1 -> 100 us, 2 -> 500 us, 3 -> 1 ms,
64 * 4 -> 5 ms, 5 -> 10 ms, 6 for 50 ms, 7 -> 100 ms)
66 * @fraction_z: Length of the fractional part in z
70 * (0 -> 20 mA typical 35 mA max, 1 -> 50 mA typical 80 mA max)
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/linux-6.12.1/arch/arm/boot/dts/renesas/
Dr8a7745-iwg22d-sodimm.dts1 // SPDX-License-Identifier: GPL-2.0
3 * Device Tree Source for the iWave-RZG1E SODIMM carrier board
9 * SSI-SGTL5000
31 /dts-v1/;
32 #include "r8a7745-iwg22m.dtsi"
33 #include <dt-bindings/pwm/pwm.h>
36 model = "iWave Systems RainboW-G22D-SODIMM board based on RZ/G1E";
47 stdout-path = "serial3:115200n8";
51 compatible = "fixed-clock";
52 #clock-cells = <0>;
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/linux-6.12.1/include/math-emu/
Dop-1.h1 /* Software floating-point emulation.
2 Basic one-word fraction declaration and manipulation.
23 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
45 /* Right shift with sticky-lsb. */
50 ? X & 1 : (X << (_FP_W_TYPE_SIZE - (N))) != 0)))
53 #define _FP_FRAC_SUB_1(R,X,Y) (R##_f = X##_f - Y##_f)
54 #define _FP_FRAC_DEC_1(X,Y) (X##_f -= Y##_f)
55 #define _FP_FRAC_CLZ_1(z, X) __FP_CLZ(z, X##_f) argument
89 X##_f = _flo->bits.frac; \
90 X##_e = _flo->bits.exp; \
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/linux-6.12.1/drivers/iio/adc/
Dad4000.c1 // SPDX-License-Identifier: GPL-2.0+
56 .shift = _storage_bits - _real_bits, \
78 .shift = _storage_bits - _real_bits, \
98 /* maps adi,sdi-pin property value to enum */
254 if (chan->scan_type.sign == 's') in ad4000_fill_scale_tbl()
255 scale_bits = chan->scan_type.realbits - 1; in ad4000_fill_scale_tbl()
257 scale_bits = chan->scan_type.realbits; in ad4000_fill_scale_tbl()
260 * The gain is stored as a fraction of 1000 and, as we need to in ad4000_fill_scale_tbl()
261 * divide vref_mv by the gain, we invert the gain/1000 fraction. in ad4000_fill_scale_tbl()
263 * Thus, we have MILLI * MILLI equals MICRO as fraction numerator. in ad4000_fill_scale_tbl()
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/linux-6.12.1/arch/arm/nwfpe/
Dsoftfloat.c4 This C source file is part of the SoftFloat IEC/IEEE Floating-point
10 National Science Foundation under grant MIP-9311980. The original version
11 of this code was written as part of a project to build a fixed-point vector
15 http://www.jhauser.us/arithmetic/SoftFloat-2b/SoftFloat-source.txt
38 -------------------------------------------------------------------------------
39 Primitive arithmetic functions, including multi-word arithmetic, and
42 -------------------------------------------------------------------------------
44 #include "softfloat-macros"
47 -------------------------------------------------------------------------------
52 are propagated from function inputs to output. These details are target-
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/linux-6.12.1/arch/arm/boot/dts/ti/omap/
Dam5729-beagleboneai.dts1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2014-2019 Texas Instruments Incorporated - https://www.ti.com/
6 /dts-v1/;
9 #include "am57xx-commercial-grade.dtsi"
10 #include "dra74x-mmc-iodelay.dtsi"
11 #include "dra74-ipu-dsp-common.dtsi"
12 #include <dt-bindings/gpio/gpio.h>
13 #include <dt-bindings/interrupt-controller/irq.h>
14 #include <dt-bindings/pinctrl/dra.h>
18 compatible = "beagle,am5729-beagleboneai", "ti,am5728",
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/linux-6.12.1/drivers/iio/light/
Das73211.c1 // SPDX-License-Identifier: GPL-2.0-only
10 * Color light sensor with 16-bit channels for x, y, z and temperature);
11 * 7-bit I2C slave address 0x74 .. 0x77.
14 * AS73211: https://ams.com/documents/20143/36005/AS73211_DS000556_3-01.pdf
15 * AS7331: https://ams.com/documents/20143/9106314/AS7331_DS001047_4-00.pdf
76 #define AS73211_SAMPLE_TIME_MAX_MS BIT(AS73211_SAMPLE_TIME_NUM - 1)
93 * struct as73211_spec_dev_data - device-specific data
105 * struct as73211_data - Instance data for one AS73211
114 * @spec_dev: device-specific configuration.
151 #define AS73211_OFFSET_TEMP_INT (-66)
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