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/Linux-v6.1/drivers/iio/filter/
DKconfig9 tristate "Analog Devices ADMV8818 High-Pass and Low-Pass Filter"
13 Say yes here to build support for Analog Devices ADMV8818
14 2 GHz to 18 GHz, Digitally Tunable, High-Pass and Low-Pass Filter.
/Linux-v6.1/Documentation/devicetree/bindings/iio/filter/
Dadi,admv8818.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ADMV8818 Digitally Tunable, High-Pass and Low-Pass Filter
10 - Antoniu Miclaus <antoniu.miclaus@analog.com>
15 The device features four independently controlled high-pass
16 filters (HPFs) and four independently controlled low-pass filters
19 https://www.analog.com/en/products/admv8818.html
24 - adi,admv8818
29 spi-max-frequency:
[all …]
/Linux-v6.1/Documentation/devicetree/bindings/i2c/
Di2c.txt8 -----------------------------
10 - #address-cells - should be <1>. Read more about addresses below.
11 - #size-cells - should be <0>.
12 - compatible - name of I2C bus controller
21 -----------------------------
26 - clock-frequency
29 - i2c-bus
31 devices and non-I2C devices, the 'i2c-bus' subnode can be used for
32 populating I2C devices. If the 'i2c-bus' subnode is present, only
34 '#address-cells' and '#size-cells' must be defined under this subnode
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/Linux-v6.1/Documentation/sound/cards/
Dcmipci.rst2 Brief Notes on C-Media 8338/8738/8768/8770 Driver
8 Front/Rear Multi-channel Playback
9 ---------------------------------
13 DACs, both streams are handled independently unlike the 4/6ch multi-
22 - The first DAC supports U8 and S16LE formats, while the second DAC
24 - The second DAC supports only two channel stereo.
51 control switch in the driver "Line-In As Rear", which you can change
52 via alsamixer or somewhat else. When this switch is on, line-in jack
60 4/6 Multi-Channel Playback
61 --------------------------
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/Linux-v6.1/sound/pci/cs5535audio/
Dcs5535audio_olpc.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * OLPC XO-1 additional sound features
6 * Copyright © 2007-2008 Andres Salomon <dilinger@debian.org>
17 #define DRV_NAME "cs5535audio-olpc"
21 * It has an Analog Input mode that is switched into (after disabling the
22 * High Pass Filter) via GPIO. It is supported on B2 and later models.
31 /* update the High Pass Filter (via AC97_AD_TEST2) */ in olpc_analog_input()
35 dev_err(ac97->bus->card->dev, in olpc_analog_input()
36 "setting High Pass Filter - %d\n", err); in olpc_analog_input()
40 /* set Analog Input through GPIO */ in olpc_analog_input()
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/Linux-v6.1/Documentation/devicetree/bindings/pinctrl/
Dqcom,pmic-mpp.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/qcom,pmic-mpp.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm PMIC Multi-Purpose Pin (MPP) block
10 - Bjorn Andersson <bjorn.andersson@linaro.org>
19 - enum:
20 - qcom,pm8018-mpp
21 - qcom,pm8019-mpp
22 - qcom,pm8038-mpp
[all …]
Dqcom,pmic-gpio.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/qcom,pmic-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Bjorn Andersson <bjorn.andersson@linaro.org>
19 - enum:
20 - qcom,pm2250-gpio
21 - qcom,pm660-gpio
22 - qcom,pm660l-gpio
23 - qcom,pm6125-gpio
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/Linux-v6.1/Documentation/sound/hd-audio/
Dnotes.rst2 More Notes on HD-Audio Driver
11 HD-audio is the new standard on-board audio component on modern PCs
12 after AC97. Although Linux has been supporting HD-audio since long
15 This document explains the brief trouble-shooting and debugging
16 methods for the HD-audio hardware.
18 The HD-audio component consists of two parts: the controller chip and
19 the codec chips on the HD-audio bus. Linux provides a single driver
20 for all controllers, snd-hda-intel. Although the driver name contains
21 a word of a well-known hardware vendor, it's not specific to it but for
22 all controller chips by other companies. Since the HD-audio
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/Linux-v6.1/drivers/gpu/drm/bridge/
Ddisplay-connector.c1 // SPDX-License-Identifier: GPL-2.0
9 #include <linux/media-bus-format.h>
40 return flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR ? 0 : -EINVAL; in display_connector_attach()
48 if (conn->hpd_gpio) { in display_connector_detect()
49 if (gpiod_get_value_cansleep(conn->hpd_gpio)) in display_connector_detect()
55 if (conn->bridge.ddc && drm_probe_ddc(conn->bridge.ddc)) in display_connector_detect()
58 switch (conn->bridge.type) { in display_connector_detect()
75 * Composite and S-Video connectors have no other detection in display_connector_detect()
90 return drm_get_edid(connector, conn->bridge.ddc); in display_connector_get_edid()
95 * so concerning the output bus formats, either pass the bus formats from the
[all …]
/Linux-v6.1/include/linux/mfd/
Dac100.h1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (C) 2016 Chen-Yu Tsai
7 * Chen-Yu Tsai <wens@csie.org>
72 /* Analog controls */
84 /* ADC digital audio processing (high pass filter & auto gain control */
104 #define AC100_ADC_DAP_H_HPF_C 0x93 /* High High-Pass-Filter Coef */
105 #define AC100_ADC_DAP_L_HPF_C 0x94 /* Low High-Pass-Filter Coef */
108 /* DAC digital audio processing (high pass filter & dynamic range control) */
110 #define AC100_DAC_DAP_H_HPF_C 0xa1 /* High High-Pass-Filter Coef */
111 #define AC100_DAC_DAP_L_HPF_C 0xa2 /* Low High-Pass-Filter Coef */
/Linux-v6.1/drivers/net/wireless/broadcom/b43/
Dphy_g.h1 /* SPDX-License-Identifier: GPL-2.0 */
5 /* OFDM PHY registers are defined in the A-PHY header. */
9 #define B43_PHY_VERSION_CCK B43_PHY_CCK(0x00) /* Versioning register for B-PHY */
12 #define B43_PHY_PGACTL_LPF 0x1000 /* Low pass filter (?) */
24 /* Extended G-PHY Registers */
26 #define B43_PHY_GTABCTL B43_PHY_EXTG(0x03) /* G-PHY table control (see below) */
27 #define B43_PHY_GTABOFF 0x03FF /* G-PHY table offset (see below) */
28 #define B43_PHY_GTABNR 0xFC00 /* G-PHY table number (see below) */
30 #define B43_PHY_GTABDATA B43_PHY_EXTG(0x04) /* G-PHY table data */
43 #define B43_PHY_RFOVERVAL_BW_LPF 0x0001 /* Low Pass Filter */
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/Linux-v6.1/Documentation/sound/soc/
Ddapm.rst11 such, can easily co-exist with the other PM systems.
60 Audio DAPM widgets fall into a number of types:-
63 Mixes several analog signals into a single analog signal.
65 An analog switch that outputs only one of many inputs.
69 Analog to Digital Converter
71 Digital to Analog Converter
73 An analog switch
127 (Widgets are defined in include/sound/soc-dapm.h)
130 There are convenience macros defined in soc-dapm.h that can be used to quickly
138 ---------------------
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/Linux-v6.1/Documentation/sound/designs/
Dtimestamping.rst7 - Trigger_tstamp is the system time snapshot taken when the .trigger
11 estimate with a delay. In the latter two cases, the low-level driver
17 - tstamp is the current system timestamp updated during the last
19 The difference (tstamp - trigger_tstamp) defines the elapsed time.
29 - ``avail`` reports how much can be written in the ring buffer
30 - ``delay`` reports the time it will take to hear a new sample after all
43 ascii-art, this could be represented as follows (for the playback
47 --------------------------------------------------------------> time
50 analog link dma app FullBuffer
53 |< codec delay >|<--hw delay-->|<queued samples>|<---avail->|
[all …]
/Linux-v6.1/sound/soc/codecs/
Dml26124.c1 // SPDX-License-Identifier: GPL-2.0-only
53 static const DECLARE_TLV_DB_SCALE(digital_tlv, -7150, 50, 0);
55 static const DECLARE_TLV_DB_SCALE(alclvl, -2250, 150, 0);
56 static const DECLARE_TLV_DB_SCALE(mingain, -1200, 600, 0);
57 static const DECLARE_TLV_DB_SCALE(maxgain, -675, 600, 0);
58 static const DECLARE_TLV_DB_SCALE(boost_vol, -1200, 75, 0);
60 static const char * const ml26124_companding[] = {"16bit PCM", "u-law",
61 "A-law"};
98 SOC_SINGLE("DC High Pass Filter Switch", ML26124_FILTER_EN, 0, 1, 0),
99 SOC_SINGLE("Noise High Pass Filter Switch", ML26124_FILTER_EN, 1, 1, 0),
[all …]
Dad1836.c1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * Copyright 2009-2011 Analog Devices Inc.
38 * AD1836 volume/mute/de-emphasis etc. controls
99 /* ADC high-pass filter */
100 SOC_SINGLE("ADC High Pass Filter Switch", AD1836_ADC_CTRL1,
103 /* DAC de-emphasis */
141 return -EINVAL; in ad1836_set_dai_fmt()
148 return -EINVAL; in ad1836_set_dai_fmt()
156 return -EINVAL; in ad1836_set_dai_fmt()
166 struct ad1836_priv *ad1836 = snd_soc_component_get_drvdata(dai->component); in ad1836_hw_params()
[all …]
/Linux-v6.1/drivers/iio/gyro/
Dadxrs290.c1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * Copyright (C) 2020 Analog Devices, Inc.
83 * Available cut-off frequencies of the low pass filter in Hz.
98 * Available cut-off frequencies of the high pass filter in Hz.
121 mutex_lock(&st->lock); in adxrs290_get_rate_data()
122 temp = spi_w8r16(st->spi, cmd); in adxrs290_get_rate_data()
131 mutex_unlock(&st->lock); in adxrs290_get_rate_data()
142 mutex_lock(&st->lock); in adxrs290_get_temp_data()
143 temp = spi_w8r16(st->spi, cmd); in adxrs290_get_temp_data()
153 mutex_unlock(&st->lock); in adxrs290_get_temp_data()
[all …]
Dadxrs450.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright 2011 Analog Devices Inc.
67 * struct adxrs450_state - device instance specific data
82 * adxrs450_spi_read_reg_16() - read 2 bytes from a register pair
86 * @val: somewhere to pass back the value read
97 .tx_buf = &st->tx, in adxrs450_spi_read_reg_16()
99 .len = sizeof(st->tx), in adxrs450_spi_read_reg_16()
102 .rx_buf = &st->rx, in adxrs450_spi_read_reg_16()
104 .len = sizeof(st->rx), in adxrs450_spi_read_reg_16()
108 mutex_lock(&st->buf_lock); in adxrs450_spi_read_reg_16()
[all …]
/Linux-v6.1/include/media/
Dtuner.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * tuner.h - definition for different tuners
5 * Copyright (C) 1997 Markus Schroeder (schroedm@uni-duesseldorf.de)
6 * minor modifications by Ralph Metzler (rjkm@thp.uni-koeln.de)
14 #include <media/v4l2-mc.h>
73 #define TUNER_PHILIPS_4IN1 44 /* ATI TV Wonder Pro - Conexant */
83 #define TUNER_MICROTUNE_4042FI5 49 /* DViCO FusionHDTV 3 Gold-Q - 4042 FI5 (3X 8147) */
90 #define TUNER_TCL_2002MB 55 /* Hauppauge PVR-150 PAL */
92 #define TUNER_PHILIPS_FQ1216AME_MK4 56 /* Hauppauge PVR-150 PAL */
93 #define TUNER_PHILIPS_FQ1236A_MK4 57 /* Hauppauge PVR-500MCE NTSC */
[all …]
Ddvb_frontend.h4 * The Digital TV Frontend kABI defines a driver-internal interface for
5 * registering low-level, hardware specific driver to a hardware independent
28 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
61 * struct dvb_frontend_tune_settings - parameters to adjust frontend tuning
78 * struct dvb_tuner_info - Frontend name and min/max ranges/bandwidths
101 * struct analog_parameters - Parameters to tune into an analog/radio channel
103 * @frequency: Frequency used by analog TV tuner (either in 62.5 kHz step,
122 * enum dvbfe_algo - defines the algorithm used to tune into a channel
124 * @DVBFE_ALGO_HW: Hardware Algorithm -
130 * @DVBFE_ALGO_SW: Software Algorithm -
[all …]
/Linux-v6.1/include/uapi/linux/
Dcomedi.h1 /* SPDX-License-Identifier: LGPL-2.0+ WITH Linux-syscall-note */
6 * COMEDI - Linux Control and Measurement Device Interface
7 * Copyright (C) 1998-2001 David A. Schleef <ds@schleef.org>
32 * NOTE: 'comedi_config --init-data' is deprecated
35 * comedi_config to pass firmware blobs from user space to the
40 /* length of nth chunk of firmware data -*/
73 #define AREF_GROUND 0x00 /* analog ref = analog ground */
74 #define AREF_COMMON 0x01 /* analog ref = analog common */
75 #define AREF_DIFF 0x02 /* analog ref = differential */
76 #define AREF_OTHER 0x03 /* analog ref = other (undefined) */
[all …]
/Linux-v6.1/drivers/pinctrl/qcom/
Dpinctrl-spmi-gpio.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2012-2014, 2016-2021 The Linux Foundation. All rights reserved.
4 * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
12 #include <linux/pinctrl/pinconf-generic.h>
21 #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
24 #include "../pinctrl-utils.h"
97 * Output type - indicates pin should be configured as push-pull,
137 * struct pmic_gpio_pad - keep current GPIO settings
141 * @have_buffer: Set to true if GPIO output could be configured in push-pull,
142 * open-drain or open-source mode.
[all …]
/Linux-v6.1/drivers/clk/analogbits/
Dwrpll-cln28hpc.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2018-2019 SiFive, Inc.
8 * the CLN28HPC variant of the Analog Bits Wide Range PLL. The
16 * pre-determined set of performance points.
19 * - Analog Bits "Wide Range PLL Datasheet", version 2015.10.01
20 * - SiFive FU540-C000 Manual v1p0, Chapter 7 "Clocking and Reset"
21 * https://static.dev.sifive.com/FU540-C000-v1.0.pdf
32 #include <linux/clk/analogbits-wrpll-cln28hpc.h>
40 /* MIN_POST_DIVIDE_REF_FREQ: minimum post-divider reference frequency, in Hz */
43 /* MAX_POST_DIVIDE_REF_FREQ: maximum post-divider reference frequency, in Hz */
[all …]
/Linux-v6.1/Documentation/userspace-api/media/mediactl/
Dmedia-types.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _media-controller-types:
10 .. _media-entity-functions:
11 .. _MEDIA-ENT-F-UNKNOWN:
12 .. _MEDIA-ENT-F-V4L2-SUBDEV-UNKNOWN:
13 .. _MEDIA-ENT-F-IO-V4L:
14 .. _MEDIA-ENT-F-IO-VBI:
15 .. _MEDIA-ENT-F-IO-SWRADIO:
16 .. _MEDIA-ENT-F-IO-DTV:
17 .. _MEDIA-ENT-F-DTV-DEMOD:
[all …]
/Linux-v6.1/drivers/iio/adc/
Dad7949.c1 // SPDX-License-Identifier: GPL-2.0
2 /* ad7949.c - Analog Devices ADC driver 14/16 bits 4/8 channels
6 * https://www.analog.com/media/en/technical-documentation/data-sheets/AD7949.pdf
33 /* BW: select bandwidth for low-pass filter. Full or Quarter */
68 * struct ad7949_adc_chip - AD ADC chip
78 * @buf8b: be16 buffer to exchange data with the device in 8-bit transfers
98 ad7949_adc->cfg = (val & mask) | (ad7949_adc->cfg & ~mask); in ad7949_spi_write_cfg()
100 switch (ad7949_adc->spi->bits_per_word) { in ad7949_spi_write_cfg()
102 ad7949_adc->buffer = ad7949_adc->cfg << 2; in ad7949_spi_write_cfg()
103 ret = spi_write(ad7949_adc->spi, &ad7949_adc->buffer, 2); in ad7949_spi_write_cfg()
[all …]
/Linux-v6.1/sound/pci/oxygen/
Dxonar_dg_mixer.c1 // SPDX-License-Identifier: GPL-2.0-only
20 /* analog output select */
24 struct dg *data = chip->model_data; in output_select_apply()
26 data->cs4245_shadow[CS4245_SIGNAL_SEL] &= ~CS4245_A_OUT_SEL_MASK; in output_select_apply()
27 if (data->output_sel == PLAYBACK_DST_HP) { in output_select_apply()
30 } else if (data->output_sel == PLAYBACK_DST_HP_FP) { in output_select_apply()
36 data->cs4245_shadow[CS4245_SIGNAL_SEL] |= CS4245_A_OUT_SEL_DAC; in output_select_apply()
62 struct oxygen *chip = ctl->private_data; in output_select_get()
63 struct dg *data = chip->model_data; in output_select_get()
65 mutex_lock(&chip->mutex); in output_select_get()
[all …]

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