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/linux-6.8/Documentation/iio/
Dbno055.rst1 .. SPDX-License-Identifier: GPL-2.0
20 2. Calibration
28 the IMU has successfully autocalibrated) and to the calibration data blob.
32 with this calibration data. This saves the user from performing the
33 calibration procedure every time (which consist of moving the IMU in
36 The driver looks for calibration data file using two different names: first
39 IMU instance. If this file is not found, then a "generic" calibration file
43 Valid calibration file names would be e.g.
44 bno055-caldata-0e7c26a33541515120204a35342b04ff.dat
45 bno055-caldata.dat
[all …]
/linux-6.8/drivers/thermal/
Damlogic_thermal.c1 // SPDX-License-Identifier: GPL-2.0+
10 * U = ---------, Uptat = ---------
13 * Temperature = A * ( Uptat + u_efuse / 2^16 )- B
15 * A B m n : calibration parameters
16 * u_efuse : fused calibration value, it's a signed 16 bits value
68 * @A: calibration parameters
69 * @B: calibration parameters
70 * @m: calibration parameters
71 * @n: calibration parameters
84 * @u_efuse_off: register offset to read fused calibration value
[all …]
Dqoriq_thermal.c1 // SPDX-License-Identifier: GPL-2.0
66 * Thermal zone data
81 return container_of(s, struct qoriq_tmu_data, sensor[s->id]); in qoriq_sensor_to_data()
109 regmap_read(qdata->regmap, REGS_TMR, &val); in tmu_get_temp()
111 return -EAGAIN; in tmu_get_temp()
113 if (regmap_read_poll_timeout(qdata->regmap, in tmu_get_temp()
114 REGS_TRITSR(qsensor->id), in tmu_get_temp()
119 return -ENODATA; in tmu_get_temp()
121 if (qdata->ver == TMU_VER1) { in tmu_get_temp()
145 struct qoriq_sensor *sensor = &qdata->sensor[id]; in qoriq_tmu_register_tmu_zone()
[all …]
Dsun8i_thermal.c1 // SPDX-License-Identifier: GPL-2.0
16 #include <linux/nvmem-consumer.h>
95 return tmdev->chip->offset - (reg * tmdev->chip->scale / 10); in sun8i_ths_calc_temp()
102 return -1191 * reg / 10 + 223000; in sun50i_h5_calc_temp()
104 return -1452 * reg / 10 + 259000; in sun50i_h5_calc_temp()
106 return -1590 * reg / 10 + 276000; in sun50i_h5_calc_temp()
112 struct ths_device *tmdev = s->tmdev; in sun8i_ths_get_temp()
115 regmap_read(tmdev->regmap, tmdev->chip->temp_data_base + in sun8i_ths_get_temp()
116 0x4 * s->id, &val); in sun8i_ths_get_temp()
118 /* ths have no data yet */ in sun8i_ths_get_temp()
[all …]
/linux-6.8/Documentation/ABI/testing/
Dsysfs-driver-hid-wiimote24 Starting with kernel-version 3.11 Motion Plus hotplugging is
26 extension. You will get uevent notifications for the motion-plus
40 Other strings for each device-type are available and may be
41 added if new device-specific detections are added.
56 balance board. It provides a single line with 3 calibration
63 Calibration data is already applied by the kernel to all input
64 values but may be used by user-space to perform other
72 pro-controller. It provides a single line with 4 calibration
73 values for all 4 analog sticks. Format is: "x1:y1 x2:y2". Data
74 is prefixed with a +/-. Each value is a signed 16bit number.
[all …]
Dsysfs-bus-iio-bno0553 Contact: linux-iio@vger.kernel.org
12 Contact: linux-iio@vger.kernel.org
21 Contact: linux-iio@vger.kernel.org
27 Contact: linux-iio@vger.kernel.org
33 Contact: linux-iio@vger.kernel.org
36 Calibration" HW function.
40 Contact: linux-iio@vger.kernel.org
47 Contact: linux-iio@vger.kernel.org
49 Reports the binary calibration data blob for the IMU sensors.
53 Contact: linux-iio@vger.kernel.org
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/linux-6.8/drivers/iio/chemical/
Datlas-sensor.c1 // SPDX-License-Identifier: GPL-2.0+
3 * atlas-sensor.c - Support for Atlas Scientific OEM SM sensors
5 * Copyright (C) 2015-2019 Konsulko Group
94 /* 96-bit data + 32-bit pad + 64-bit timestamp */
108 for (; spec->type != IIO_TIMESTAMP; spec++) in atlas_buffer_num_channels()
135 .scan_index = -1
179 .scan_index = -1
221 .scan_index = -1
241 static int atlas_check_ph_calibration(struct atlas_data *data) in atlas_check_ph_calibration() argument
243 struct device *dev = &data->client->dev; in atlas_check_ph_calibration()
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Dsunrise_co2.c1 // SPDX-License-Identifier: GPL-2.0
3 * Senseair Sunrise 006-0-0007 CO2 sensor driver.
8 * - controllable EN pin
9 * - single-shot operations using the nDRY pin.
10 * - ABC/target calibration
34 * The calibration timeout is not characterized in the datasheet.
54 union i2c_smbus_data data; in sunrise_regmap_read() local
58 return -EINVAL; in sunrise_regmap_read()
60 memset(&data, 0, sizeof(data)); in sunrise_regmap_read()
61 data.block[0] = val_size; in sunrise_regmap_read()
[all …]
/linux-6.8/drivers/iio/magnetometer/
Dyamaha-yas530.c1 // SPDX-License-Identifier: GPL-2.0-only
7 * YAS530 MS-3E (2011 Samsung Galaxy S Advance)
8 * YAS532 MS-3R (2011 Samsung Galaxy S4)
9 * YAS533 MS-3F (Vivo 1633, 1707, V3, Y21L)
11 * YAS535 MS-6C
12 * YAS536 MS-3W
13 * YAS537 MS-3T (2015 Samsung Galaxy S6, Note 5, Galaxy S7)
14 * YAS539 MS-3S (2018 Samsung Galaxy A7 SM-A750FN)
57 #define YAS530_OFFSET_X 0x85 /* [-31 .. 31] */
58 #define YAS530_OFFSET_Y1 0x86 /* [-31 .. 31] */
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/linux-6.8/drivers/rtc/
Drtc-ab8500.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) ST-Ericsson SA 2010
69 /* Request a data read */ in ab8500_rtc_read_time()
135 /* Request a data write */ in ab8500_rtc_set_time()
154 alarm->enabled = 1; in ab8500_rtc_read_alarm()
156 alarm->enabled = 0; in ab8500_rtc_read_alarm()
158 alarm->pending = 0; in ab8500_rtc_read_alarm()
171 rtc_time64_to_tm(secs, &alarm->time); in ab8500_rtc_read_alarm()
189 mins = (unsigned long)rtc_tm_to_time64(&alarm->time) / 60; in ab8500_rtc_set_alarm()
203 return ab8500_rtc_irq_enable(dev, alarm->enabled); in ab8500_rtc_set_alarm()
[all …]
/linux-6.8/Documentation/devicetree/bindings/soc/mediatek/
Dmtk-svs.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/soc/mediatek/mtk-svs.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Roger Lu <roger.lu@mediatek.com>
11 - Matthias Brugger <matthias.bgg@gmail.com>
12 - Kevin Hilman <khilman@kernel.org>
24 - mediatek,mt8183-svs
25 - mediatek,mt8186-svs
26 - mediatek,mt8188-svs
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/linux-6.8/arch/x86/kernel/
Dtsc.c1 // SPDX-License-Identifier: GPL-2.0-only
29 #include <asm/intel-family.h>
59 struct cyc2ns_data data[2]; /* 0 + 2*16 = 32 */ member
72 __always_inline void __cyc2ns_read(struct cyc2ns_data *data) in __cyc2ns_read() argument
80 data->cyc2ns_offset = this_cpu_read(cyc2ns.data[idx].cyc2ns_offset); in __cyc2ns_read()
81 data->cyc2ns_mul = this_cpu_read(cyc2ns.data[idx].cyc2ns_mul); in __cyc2ns_read()
82 data->cyc2ns_shift = this_cpu_read(cyc2ns.data[idx].cyc2ns_shift); in __cyc2ns_read()
87 __always_inline void cyc2ns_read_begin(struct cyc2ns_data *data) in cyc2ns_read_begin() argument
90 __cyc2ns_read(data); in cyc2ns_read_begin()
113 * cyc2ns_scale needs to be a 32-bit value so that 32-bit multiplication
[all …]
/linux-6.8/drivers/iio/temperature/
Dmlx90632.c1 // SPDX-License-Identifier: GPL-2.0
3 * mlx90632.c - Melexis MLX90632 contactless IR temperature sensor
7 * Driver for the Melexis MLX90632 I2C 16-bit IR thermopile sensor
33 /* EEPROM addresses - used at startup */
37 #define MLX90632_EE_P_R 0x240c /* P_R calibration register 32bit */
38 #define MLX90632_EE_P_G 0x240e /* P_G calibration register 32bit */
39 #define MLX90632_EE_P_T 0x2410 /* P_T calibration register 32bit */
40 #define MLX90632_EE_P_O 0x2412 /* P_O calibration register 32bit */
41 #define MLX90632_EE_Aa 0x2414 /* Aa calibration register 32bit */
42 #define MLX90632_EE_Ab 0x2416 /* Ab calibration register 32bit */
[all …]
/linux-6.8/Documentation/hwmon/
Dina209.rst6 * Burr-Brown / Texas Instruments INA209
10 Addresses scanned: -
16 - Paul Hays <Paul.Hays@cattail.ca>
17 - Ira W. Snyder <iws@ovro.caltech.edu>
18 - Guenter Roeck <linux@roeck-us.net>
22 -----------
24 The TI / Burr-Brown INA209 monitors voltage, current, and power on the high side
27 calibration multiplier to scale the displayed current and power values.
31 -------------
76 update_interval data conversion time; affects number of samples used
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/linux-6.8/drivers/comedi/drivers/
Djr3_pci.h1 /* SPDX-License-Identifier: GPL-2.0 */
28 * The raw data is stored in a format which facilitates rapid
30 * format for a single channel of data. Each channel takes four,
31 * two-byte words.
38 * Raw_data is the raw data received directly from the sensor. The
39 * sensor data stream is capable of representing 16 different
42 * Channels 1-6 contain the coupled force data Fx through Mz. Channel
43 * 7 contains the sensor's calibration data. The use of channels 8-15
55 * filtered force data.
139 * was detected in the on-board RAM during the power-up
[all …]
Dcb_pcidda.c1 // SPDX-License-Identifier: GPL-2.0+
4 * Driver for the ComputerBoards / MeasurementComputing PCI-DDA series.
9 * COMEDI - Linux Control and Measurement Device Interface
10 * Copyright (C) 1997-8 David A. Schleef <ds@schleef.org>
15 * Description: MeasurementComputing PCI-DDA series
16 * Devices: [Measurement Computing] PCI-DDA08/12 (pci-dda08/12),
17 * PCI-DDA04/12 (pci-dda04/12), PCI-DDA02/12 (pci-dda02/12),
18 * PCI-DDA08/16 (pci-dda08/16), PCI-DDA04/16 (pci-dda04/16),
19 * PCI-DDA02/16 (pci-dda02/16)
51 #define DACALIBRATION1 4 /* D/A CALIBRATION REGISTER 1 */
[all …]
Dadv_pci1724.c1 // SPDX-License-Identifier: GPL-2.0+
4 * Comedi driver for the Advantech PCI-1724U card.
9 * COMEDI - Linux Control and Measurement Device Interface
10 * Copyright (C) 1997-8 David A. Schleef <ds@schleef.org>
15 * Description: Advantech PCI-1724U
16 * Devices: [Advantech] PCI-1724U (adv_pci1724)
18 * Updated: 2013-02-09
24 * Subdevice 1 is the offset calibration for the analog output.
25 * Subdevice 2 is the gain calibration for the analog output.
27 * The calibration offset and gains have quite a large effect on the
[all …]
/linux-6.8/drivers/iio/adc/
Dstm32-adc.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2016, STMicroelectronics - All Rights Reserved
12 #include <linux/dma-mapping.h>
16 #include <linux/iio/timer/stm32-lptim-trigger.h>
17 #include <linux/iio/timer/stm32-timer-trigger.h>
26 #include <linux/nvmem-consumer.h>
31 #include "stm32-adc-core.h"
33 /* Number of linear calibration shadow registers / LINCALRDYW control bits */
58 /* extsel - trigger mux selection value */
84 STM32_ADC_INT_CH_NONE = -1,
[all …]
/linux-6.8/drivers/power/supply/
Dtwl4030_madc_battery.c1 // SPDX-License-Identifier: GPL-2.0-only
57 return (madc_read(bt->channel_ichg) > 0) ? 1 : 0; in twl4030_madc_bat_get_charging_status()
62 return madc_read(bt->channel_vbat); in twl4030_madc_bat_get_voltage()
67 return madc_read(bt->channel_ichg) * 1000; in twl4030_madc_bat_get_current()
72 return madc_read(bt->channel_temp) * 10; in twl4030_madc_bat_get_temp()
78 struct twl4030_madc_bat_calibration *calibration; in twl4030_madc_bat_voltscale() local
83 calibration = bat->pdata->charging; in twl4030_madc_bat_voltscale()
85 calibration = bat->pdata->discharging; in twl4030_madc_bat_voltscale()
87 if (volt > calibration[0].voltage) { in twl4030_madc_bat_voltscale()
88 res = calibration[0].level; in twl4030_madc_bat_voltscale()
[all …]
/linux-6.8/drivers/net/wireless/ath/ath5k/
Dphy.c2 * Copyright (c) 2004-2007 Reyk Floeter <reyk@openbsd.org>
3 * Copyright (c) 2006-2009 Nick Kossifidis <mickflemm@gmail.com>
4 * Copyright (c) 2007-2008 Jiri Slaby <jirislaby@gmail.com>
5 * Copyright (c) 2008-2009 Felix Fietkau <nbd@openwrt.org>
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
42 * Here we handle the low-level functions related to baseband
48 * - Channel setting/switching
50 * - Automatic Gain Control (AGC) calibration
52 * - Noise Floor calibration
54 * - I/Q imbalance calibration (QAM correction)
[all …]
/linux-6.8/drivers/thermal/st/
Dst_thermal.c1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * Copyright (C) 2003-2014 STMicroelectronics (R&D) Limited
25 struct device *dev = sensor->dev; in st_thermal_alloc_regfields()
26 struct regmap *regmap = sensor->regmap; in st_thermal_alloc_regfields()
27 const struct reg_field *reg_fields = sensor->cdata->reg_fields; in st_thermal_alloc_regfields()
29 sensor->dcorrect = devm_regmap_field_alloc(dev, regmap, in st_thermal_alloc_regfields()
32 sensor->overflow = devm_regmap_field_alloc(dev, regmap, in st_thermal_alloc_regfields()
35 sensor->temp_data = devm_regmap_field_alloc(dev, regmap, in st_thermal_alloc_regfields()
36 reg_fields[DATA]); in st_thermal_alloc_regfields()
38 if (IS_ERR(sensor->dcorrect) || in st_thermal_alloc_regfields()
[all …]
/linux-6.8/Documentation/devicetree/bindings/net/wireless/
Dqcom,ath10k.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Kalle Valo <kvalo@kernel.org>
18 - qcom,ath10k # SDIO-based devices
19 - qcom,ipq4019-wifi
20 - qcom,wcn3990-wifi # SNoC-based devices
25 reg-names:
27 - const: membase
33 interrupt-names:
[all …]
/linux-6.8/drivers/thermal/mediatek/
Dauxadc_thermal.c1 // SPDX-License-Identifier: GPL-2.0-only
15 #include <linux/nvmem-consumer.h>
115 /* The calibration coefficient of sensor */
119 #define MT8173_TEMP_MIN -20000
123 * Layout of the fuses providing the calibration data
125 * MT8183 has 6 sensors and needs 6 VTS calibration data.
126 * MT8173 has 5 sensors and needs 5 VTS calibration data.
127 * MT2701 has 3 sensors and needs 3 VTS calibration data.
128 * MT2712 has 4 sensors and needs 4 VTS calibration data.
144 * Layout of the fuses providing the calibration data
[all …]
/linux-6.8/Documentation/devicetree/bindings/phy/
Dmediatek,dsi-phy.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/phy/mediatek,dsi-phy.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Chun-Kuang Hu <chunkuang.hu@kernel.org>
12 - Philipp Zabel <p.zabel@pengutronix.de>
13 - Chunfeng Yun <chunfeng.yun@mediatek.com>
15 description: The MIPI DSI PHY supports up to 4-lane output.
19 pattern: "^dsi-phy@[0-9a-f]+$"
23 - items:
[all …]
/linux-6.8/drivers/phy/marvell/
Dphy-mvebu-a3700-utmi.c1 // SPDX-License-Identifier: GPL-2.0
59 * struct mvebu_a3700_utmi_caps - PHY capabilities
62 * - The UTMI PHY wired to the USB3/USB2 controller (otg)
63 * - The UTMI PHY wired to the USB2 controller (host only)
72 * struct mvebu_a3700_utmi - PHY driver data
89 struct device *dev = &phy->dev; in mvebu_a3700_utmi_phy_power_on()
90 int usb32 = utmi->caps->usb32; in mvebu_a3700_utmi_phy_power_on()
98 reg = readl(utmi->regs + USB2_PHY_PLL_CTRL_REG0); in mvebu_a3700_utmi_phy_power_on()
102 writel(reg, utmi->regs + USB2_PHY_PLL_CTRL_REG0); in mvebu_a3700_utmi_phy_power_on()
105 regmap_update_bits(utmi->usb_misc, USB2_PHY_CTRL(usb32), in mvebu_a3700_utmi_phy_power_on()
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