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/linux-6.12.1/Documentation/devicetree/bindings/sound/
Dsimple-card.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/sound/simple-card.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
14 frame-master:
15 description: Indicates dai-link frame master.
18 bitclock-master:
19 description: Indicates dai-link bit clock master
22 frame-inversion:
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Ddai-params.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/dai-params.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
15 convert-channels:
16 description: Number of audio channels used by DAI
21 convert-sample-format:
25 - s8
26 - s16_le
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/linux-6.12.1/drivers/iio/adc/
Dda9150-gpadc.c1 // SPDX-License-Identifier: GPL-2.0-or-later
23 /* Channels */
88 complete(&gpadc->complete); in da9150_gpadc_irq()
98 mutex_lock(&gpadc->lock); in da9150_gpadc_read_adc()
101 da9150_reg_write(gpadc->da9150, DA9150_GPADC_MAN, in da9150_gpadc_read_adc()
105 /* Consume left-over completion from a previous timeout */ in da9150_gpadc_read_adc()
106 try_wait_for_completion(&gpadc->complete); in da9150_gpadc_read_adc()
109 wait_for_completion_timeout(&gpadc->complete, msecs_to_jiffies(5)); in da9150_gpadc_read_adc()
112 da9150_bulk_read(gpadc->da9150, DA9150_GPADC_RES_A, 2, result_regs); in da9150_gpadc_read_adc()
114 mutex_unlock(&gpadc->lock); in da9150_gpadc_read_adc()
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Dad7887.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright 2010-2011 Analog Devices Inc.
28 #define AD7887_REF_DIS BIT(5) /* on-chip reference disable */
29 #define AD7887_DUAL BIT(4) /* dual-channel mode */
30 #define AD7887_CH_AIN1 BIT(3) /* convert on channel 1, DUAL=1 */
31 #define AD7887_CH_AIN0 0 /* convert on channel 0, DUAL=0,1 */
44 * struct ad7887_chip_info - chip specifc information
46 * @channels: channels specification
47 * @num_channels: number of channels
48 * @dual_channels: channels specification in dual mode
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/linux-6.12.1/sound/isa/sb/
Demu8000_pcm.c1 // SPDX-License-Identifier: GPL-2.0-or-later
17 * define the following if you want to use this pcm with non-interleaved mode
21 /* NOTE: for using the non-interleaved mode with alsa-lib, you have to set
34 * besides, for the time being, the non-interleaved mode doesn't work well on
35 * alsa-lib...
65 * open up channels for the simultaneous data transfer and playback
68 emu8k_open_dram_for_pcm(struct snd_emu8000 *emu, int channels) in emu8k_open_dram_for_pcm() argument
73 snd_emux_lock_voice(emu->emu, 0); in emu8k_open_dram_for_pcm()
74 if (channels > 1) in emu8k_open_dram_for_pcm()
75 snd_emux_lock_voice(emu->emu, 1); in emu8k_open_dram_for_pcm()
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/linux-6.12.1/sound/core/oss/
Dlinear.c2 * Linear conversion Plug-In
4 * Abramo Bagnara <abramo@alsa-project.org>
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
48 memcpy(p + data->copy_ofs, src + data->src_ofs, data->copy_bytes); in do_convert()
49 if (data->cvt_endian) in do_convert()
51 tmp ^= data->flip; in do_convert()
52 memcpy(dst, p + data->dst_ofs, data->dst_bytes); in do_convert()
55 static void convert(struct snd_pcm_plugin *plugin, in convert() function
60 struct linear_priv *data = (struct linear_priv *)plugin->extra_data; in convert()
62 int nchannels = plugin->src_format.channels; in convert()
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Dmulaw.c2 * Mu-Law conversion Plug-In Interface
4 * Uros Bizjak <uros@kss-loka.si>
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
29 #define SIGN_BIT (0x80) /* Sign bit for a u-law byte. */
31 #define NSEGS (8) /* Number of u-law segments. */
55 * linear2ulaw() - Convert a linear PCM value to u-law
58 * is biased by adding 33 which shifts the encoding range from (0 - 8158) to
59 * (33 - 8191). The result can be seen in the following encoding table:
62 * ------------------------ ---------------
75 * four bits wxyz. * The trailing bits (a - h) are ignored.
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/linux-6.12.1/drivers/interconnect/qcom/
Dicc-rpmh.h1 /* SPDX-License-Identifier: GPL-2.0 */
10 #include <dt-bindings/interconnect/qcom,icc.h>
17 * struct qcom_icc_provider - Qualcomm specific interconnect provider
43 * struct bcm_db - Auxiliary data pertaining to each Bus Clock Manager (BCM)
44 * @unit: divisor used to convert bytes/sec bw value to an RPMh msg
45 * @width: multiplier used to convert bytes/sec bw value to an RPMh msg
59 * struct qcom_icc_qosbox - Qualcomm specific QoS config
82 * struct qcom_icc_node - Qualcomm specific interconnect nodes
87 * @channels: num of channels at this node
100 u16 channels; member
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/linux-6.12.1/include/linux/iio/
Diio.h1 /* SPDX-License-Identifier: GPL-2.0-only */
40 * struct iio_chan_spec_ext_info - Extended channel info attribute
42 * @shared: Whether this attribute is shared between all channels.
59 * struct iio_enum - Enum channel info attribute
90 * IIO_ENUM() - Initialize enum extended channel attribute
92 * @_shared: Whether the attribute is shared between all channels
107 * IIO_ENUM_AVAILABLE() - Initialize enum available extended channel attribute
109 * @_shared: Whether the attribute is shared between all channels
124 * struct iio_mount_matrix - iio mounting matrix
141 * IIO_MOUNT_MATRIX() - Initialize mount matrix extended channel attribute
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/linux-6.12.1/Documentation/devicetree/bindings/iio/afe/
Dtemperature-transducer.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/afe/temperature-transducer.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Liam Beguin <liambeguin@gmail.com>
19 When an io-channel measures the output voltage of a temperature analog front
35 -----
37 +---+---+
39 +---+---+ -----
41 V proportional to T +----+----+
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/linux-6.12.1/drivers/comedi/drivers/
Dni_daq_700.c1 // SPDX-License-Identifier: GPL-2.0+
4 * Driver for DAQCard-700 DIO/AI
7 * COMEDI - Linux Control and Measurement Device Interface
13 * Description: National Instruments PCMCIA DAQCard-700
16 * Devices: [National Instruments] PCMCIA DAQ-Card-700 (ni_daq_700)
20 * The daqcard-700 appears in Comedi as a digital I/O subdevice (0) with
21 * 16 channels and a analog input subdevice (1) with 16 single-ended channels
22 * or 8 differential channels, and three input ranges.
24 * Digital: The channel 0 corresponds to the daqcard-700's output
27 * Digital direction configuration: channels 0-7 output, 8-15 input.
[all …]
/linux-6.12.1/drivers/hwmon/
Dgsc-hwmon.c1 // SPDX-License-Identifier: GPL-2.0
8 #include <linux/hwmon-sysfs.h>
59 u8 reg = hwmon->pdata->fan_base + (2 * attr->index); in pwm_auto_point_temp_show()
63 ret = regmap_bulk_read(hwmon->regmap, reg, regs, 2); in pwm_auto_point_temp_show()
77 u8 reg = hwmon->pdata->fan_base + (2 * attr->index); in pwm_auto_point_temp_store()
83 return -EINVAL; in pwm_auto_point_temp_store()
90 err = regmap_bulk_write(hwmon->regmap, reg, regs, 2); in pwm_auto_point_temp_store()
103 return sprintf(buf, "%d\n", 255 * (50 + (attr->index * 10))); in pwm_auto_point_pwm_show()
157 ch = hwmon->in_ch[channel]; in gsc_hwmon_read()
160 ch = hwmon->temp_ch[channel]; in gsc_hwmon_read()
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Dmax197.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (c) 2012 Savoir-faire Linux Inc.
21 #include <linux/hwmon-sysfs.h>
28 #define MAX197_NUM_CH 8 /* 8 Analog Input Channels */
40 * struct max197_data - device instance specific data
46 * @ctrl_bytes: Channels control byte.
59 data->ctrl_bytes[channel] &= ~MAX197_BIP; in max197_set_unipolarity()
64 data->ctrl_bytes[channel] |= MAX197_BIP; in max197_set_bipolarity()
69 data->ctrl_bytes[channel] &= ~MAX197_RNG; in max197_set_half_range()
74 data->ctrl_bytes[channel] |= MAX197_RNG; in max197_set_full_range()
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/linux-6.12.1/Documentation/devicetree/bindings/hwmon/
Dmoortec,mr75203.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Rahul Tanwar <rtanwar@maxlinear.com>
19 *) Temperature Sensor (TS) - used to monitor core temperature (e.g. mr74137).
20 *) Voltage Monitor (VM) - used to monitor voltage levels (e.g. mr74138).
21 *) Process Detector (PD) - used to assess silicon speed (e.g. mr74139).
22 *) Delay Chain - ring oscillator connected to the PD, used to measure IO
25 *) Pre Scaler - provides divide-by-X scaling of input voltage, which can then
26 be presented for VM for measurement within its range (e.g. mr76006 -
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/linux-6.12.1/drivers/staging/vc04_services/bcm2835-audio/
Dbcm2835.h1 /* SPDX-License-Identifier: GPL-2.0 */
11 #include <sound/pcm-indirect.h>
25 // convert alsa to chip volume (defined as macro rather than function call)
26 #define alsa2chip(vol) ((uint)(-(((vol) << 8) / 100)))
28 // convert chip to alsa volume
29 #define chip2alsa(vol) -(((vol) * 100) >> 8)
51 /* definition of the chip-specific record */
100 unsigned int channels, unsigned int samplerate,
/linux-6.12.1/include/linux/iio/adc/
Dqcom-vadc-common.h1 /* SPDX-License-Identifier: GPL-2.0 */
17 /* Max ADC code represents full-scale range of 1.8V */
35 /* Default decimation - 1024 for rev2, 840 for pmic5 */
48 #define PMI_CHG_SCALE_1 -138890
59 * VADC_CALIB_ABSOLUTE: uses the 625mV and 1.25V as reference channels.
69 * struct vadc_linear_graph - Represent ADC characteristics.
84 * enum vadc_scale_fn_type - Scaling function to convert ADC code to
86 * SCALE_DEFAULT: Default scaling to convert raw adc code to voltage (uV).
92 * SCALE_HW_CALIB_DEFAULT: Default scaling to convert raw adc code to
/linux-6.12.1/sound/usb/
Dproc.c1 // SPDX-License-Identifier: GPL-2.0-or-later
18 /* convert our full speed USB rate into sampling rate in Hz */
24 /* convert our high speed USB rate into sampling rate in Hz */
35 struct snd_usb_audio *chip = entry->private_data; in proc_audio_usbbus_read()
36 if (!atomic_read(&chip->shutdown)) in proc_audio_usbbus_read()
37 snd_iprintf(buffer, "%03d/%03d\n", chip->dev->bus->busnum, chip->dev->devnum); in proc_audio_usbbus_read()
42 struct snd_usb_audio *chip = entry->private_data; in proc_audio_usbid_read()
43 if (!atomic_read(&chip->shutdown)) in proc_audio_usbid_read()
45 USB_ID_VENDOR(chip->usb_id), in proc_audio_usbid_read()
46 USB_ID_PRODUCT(chip->usb_id)); in proc_audio_usbid_read()
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/linux-6.12.1/sound/soc/intel/avs/boards/
Dmax98357a.c1 // SPDX-License-Identifier: GPL-2.0-only
3 // Copyright(c) 2021-2022 Intel Corporation
13 #include <sound/soc-acpi.h>
14 #include <sound/soc-dapm.h>
32 struct snd_interval *rate, *channels; in avs_max98357a_be_fixup() local
36 channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); in avs_max98357a_be_fixup()
39 /* The ADSP will convert the FE rate to 48k, stereo */ in avs_max98357a_be_fixup()
40 rate->min = rate->max = 48000; in avs_max98357a_be_fixup()
41 channels->min = channels->max = 2; in avs_max98357a_be_fixup()
58 return -ENOMEM; in avs_create_dai_link()
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/linux-6.12.1/Documentation/core-api/
Ddma-isa-lpc.rst12 ------------------------
16 #include <linux/dma-mapping.h>
19 The first is the generic DMA API used to convert virtual addresses to
20 bus addresses (see Documentation/core-api/dma-api.rst for details).
28 -----------------
37 The DMA-able address space is the lowest 16 MB of _physical_ memory.
45 allocate the memory during boot-up it's a good idea to also pass
52 -------------------
65 Channels chapter
66 --------
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/linux-6.12.1/sound/soc/intel/boards/
Dhsw_rt5640.c1 // SPDX-License-Identifier: GPL-2.0-only
14 #include <sound/soc-acpi.h>
35 struct snd_interval *channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); in codec_link_hw_params_fixup() local
38 /* The ADSP will convert the FE rate to 48k, stereo. */ in codec_link_hw_params_fixup()
39 rate->min = rate->max = 48000; in codec_link_hw_params_fixup()
40 channels->min = channels->max = 2; in codec_link_hw_params_fixup()
56 dev_err(rtd->dev, "set codec sysclk failed: %d\n", ret); in codec_link_hw_params()
61 snd_soc_component_update_bits(codec_dai->component, 0x83, 0xffff, 0x8000); in codec_link_hw_params()
76 SND_SOC_DAILINK_DEF(codec, DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT33CA:00", "rt5640-aif1")));
77 SND_SOC_DAILINK_DEF(platform, DAILINK_COMP_ARRAY(COMP_PLATFORM("haswell-pcm-audio")));
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/linux-6.12.1/arch/arm/mach-omap2/
Dvc.c1 // SPDX-License-Identifier: GPL-2.0-only
19 #include "prm-regbits-34xx.h"
20 #include "prm-regbits-44xx.h"
52 * struct omap_vc_channel_cfg - describe the cfg_channel bitfield
81 * On OMAP3+, all VC channels have the above default bitfield
101 * omap_vc_config_channel - configure VC channel to PMIC mappings
106 * - i2c slave address (SA)
107 * - voltage configuration address (RAV)
108 * - command configuration address (RAC) and enable bit (RACEN)
109 * - command values for ON, ONLP, RET and OFF (CMD)
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/linux-6.12.1/tools/net/ynl/
Dethtool.py2 # SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
15 Verify and convert command-line arguments to the ynl-compatible request.
18 valid_attrs.remove('header') # not user-provided
42 Pretty-print a set of fields from the reply. desc specifies the
67 Print out the speed-like strings from the value dict.
69 speed_re = re.compile(r'[0-9]+base[^/]+/.+')
79 'dev-name': args.device,
96 if msg['header']['dev-name'] == args.device:
108 Convert ynl-formatted bitmask to a dict of bit=value.
125 parser.add_argument('--json', action=argparse.BooleanOptionalAction)
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/linux-6.12.1/arch/arm/boot/dts/cirrus/
Dep93xx-edb9302.dts1 // SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
5 /dts-v1/;
9 #address-cells = <1>;
10 #size-cells = <1>;
27 compatible = "audio-graph-card2";
33 compatible = "gpio-leds";
34 led-0 {
37 linux,default-trigger = "heartbeat";
41 led-1 {
55 compatible = "cfi-flash";
[all …]
/linux-6.12.1/drivers/net/ethernet/mellanox/mlx5/core/en/
Dhtb.c1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
16 u32 classid; /* 16-bit, except root. */
39 hash_for_each(htb->qos_tc2node, bkt, node, hnode) { in mlx5e_htb_enumerate_leaves()
40 if (node->qid == MLX5E_QOS_QID_INNER) in mlx5e_htb_enumerate_leaves()
42 err = callback(data, node->qid, node->hw_id); in mlx5e_htb_enumerate_leaves()
53 last = find_last_bit(htb->qos_used_qids, mlx5e_qos_max_leaf_nodes(htb->mdev)); in mlx5e_htb_cur_leaf_nodes()
54 return last == mlx5e_qos_max_leaf_nodes(htb->mdev) ? 0 : last + 1; in mlx5e_htb_cur_leaf_nodes()
59 int size = mlx5e_qos_max_leaf_nodes(htb->mdev); in mlx5e_htb_find_unused_qos_qid()
60 struct mlx5e_priv *priv = htb->priv; in mlx5e_htb_find_unused_qos_qid()
63 WARN_ONCE(!mutex_is_locked(&priv->state_lock), "%s: state_lock is not held\n", __func__); in mlx5e_htb_find_unused_qos_qid()
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/linux-6.12.1/Documentation/devicetree/bindings/iio/adc/
Dadi,ad4695.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Michael Hennerich <Michael.Hennerich@analog.com>
11 - Nuno Sá <nuno.sa@analog.com>
14 A family of similar multi-channel analog to digital converters with SPI bus.
21 $ref: /schemas/spi/spi-peripheral-props.yaml#
26 - adi,ad4695
27 - adi,ad4696
28 - adi,ad4697
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