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/linux/Documentation/userspace-api/media/v4l/
H A Dtuner.rst46 set or video recorder. Each modulator is associated with one or more
48 modulator. The ``type`` field of the respective struct
51 ``V4L2_OUTPUT_TYPE_MODULATOR`` and its ``modulator`` field contains the
52 index number of the modulator.
54 Radio output devices have exactly one modulator with index zero, no
57 A video or radio device cannot support both a tuner and a modulator. Two
59 supports the tuner functionality and one that supports the modulator
62 cannot specify whether the frequency is for a tuner or a modulator.
64 To query and change modulator properties applications use the
67 :ref:`VIDIOC_S_MODULATOR <VIDIOC_G_MODULATOR>` does not switch the current modulator, when there
[all …]
H A Dvidioc-g-modulator.rst13 VIDIOC_G_MODULATOR - VIDIOC_S_MODULATOR - Get or set modulator attributes
38 To query the attributes of a modulator applications initialize the
55 :ref:`SDR <sdr>` specific modulator types are ``V4L2_TUNER_SDR`` and
57 initialized to zero. The term 'modulator' means SDR transmitter in this
74 - Identifies the modulator, set by the application.
77 - Name of the modulator, a NUL-terminated ASCII string.
82 - Modulator capability flags. No flags are defined for this field,
103 :ref:`modulator-txsubchans`.
115 - :cspan:`2` Type of the modulator, see :c:type:`v4l2_tuner_type`.
128 .. flat-table:: Modulator Audio Transmission Flags
H A Dvidioc-g-frequency.rst13 VIDIOC_G_FREQUENCY - VIDIOC_S_FREQUENCY - Get or set tuner or modulator radio frequency
38 To get the current tuner or modulator radio frequency applications set
41 modulator number (only input devices have tuners, only output devices
46 To change the current tuner or modulator radio frequency applications
65 - The tuner or modulator index number. This is the same value as in
68 the struct :c:type:`v4l2_output` ``modulator`` field
H A Dvidioc-enum-freq-bands.rst34 Enumerates the frequency bands that a tuner or modulator supports. To do
41 of the corresponding tuner/modulator is set.
54 - The tuner or modulator index number. This is the same value as in
57 the struct :c:type:`v4l2_output` ``modulator`` field
73 - :cspan:`2` The tuner/modulator capability flags for this
77 tuner/modulator. So either all bands have that capability set, or
H A Dvidioc-enumoutput.rst78 - ``modulator``
81 and this field identifies the modulator. It corresponds to struct
110 - This output is an analog TV modulator.
113 - Any non-modulator video output, for example Composite Video,
H A Ddev-radio.rst32 the :ref:`tuner or modulator <tuner>` ioctls.
45 Further all radio devices have one tuner or modulator (these are
H A Duser-func.rst47 vidioc-g-modulator
H A Dvidioc-querycap.rst227 - The device has some sort of modulator to emit RF-modulated
228 video/audio signals. For more information about modulator
H A Ddev-raw-vbi.rst45 devices may or may not have a tuner or modulator.
51 :ref:`tuner or modulator <tuner>`, and :ref:`controls <control>`
/linux/Documentation/devicetree/bindings/iio/adc/
H A Dsigma-delta-modulator.yaml4 $id: http://devicetree.org/schemas/iio/adc/sigma-delta-modulator.yaml#
7 title: Sigma delta modulator
15 "sd-modulator" can be used as a generic SD modulator,
16 if the modulator is not specified in the compatible list.
18 - sd-modulator
44 // Backend binding example. SD modulator configured as an IIO backend device
46 compatible = "sd-modulator";
52 // Legacy binding example. SD modulator configured as an IIO channel provider
54 compatible = "sd-modulator";
H A Dst,stm32-dfsdm-adc.yaml227 Used to pipe external sigma delta modulator or internal ADC backend to DFSDM channel.
261 modulator or internal ADC output to DFSDM channel.
317 modulator or internal ADC output to DFSDM channel.
H A Dadi,ad7405.yaml16 16-bit with a second-order Σ-Δ modulator that converts an analog input signal
/linux/drivers/iio/adc/
H A Dsd_adc_modulator.c3 * Generic sigma delta modulator driver
78 .name = "sd-modulator",
110 /* If sd modulator is not defined as an IIO backend device, fallback to legacy */ in iio_sd_mod_probe()
143 { .compatible = "sd-modulator" },
159 MODULE_DESCRIPTION("Basic sigma delta modulator");
/linux/Documentation/devicetree/bindings/leds/backlight/
H A Dqcom-wled.yaml56 use externally generated modulator signal to dim.
144 qcom,modulator-sel:
146 Selects the modulator used for brightness modulation.
148 0 - Modulator A
149 1 - Modulator B
/linux/Documentation/ABI/testing/
H A Dsysfs-bus-iio-adc-mcp35646 circuit of the Delta-Sigma modulator. The different BOOST
7 settings are applied to the entire modulator circuit, including
15 the current biasing circuit of the Delta-Sigma modulator.
/linux/drivers/gpu/drm/sprd/
H A Dsprd_dsi.h78 u32 nint; /* sigma delta modulator NINT control */
79 u32 kint; /* sigma delta modulator KINT control */
/linux/drivers/pwm/
H A Dpwm-imx1.c3 * simple driver for PWM (Pulse Width Modulator) controller
197 MODULE_DESCRIPTION("i.MX1 and i.MX21 Pulse Width Modulator driver");
H A Dpwm-pxa.c5 * simple driver for PWM (Pulse Width Modulator) controller
215 MODULE_DESCRIPTION("PXA Pulse Width Modulator driver");
H A Dpwm-spear.c2 * ST Microelectronics SPEAr Pulse Width Modulator driver
258 MODULE_DESCRIPTION("ST Microelectronics SPEAr Pulse Width Modulator driver");
H A Dpwm-lpc18xx-sct.c3 * NXP LPC18xx State Configurable Timer - Pulse Width Modulator driver
10 * as a Pulse Width Modulator.
/linux/include/linux/platform_data/media/
H A Dsi4713.h33 __u32 index; /* modulator index */
/linux/Documentation/hwmon/
H A Demc6w201.rst27 multiple DC fans using three Pulse Width Modulator (PWM) outputs. Note
/linux/arch/m68k/include/asm/
H A DMC68328.h273 #define PWM_IRQ_NUM 7 /* Pulse-Width Modulator int. */
304 #define IMR_MPWM (1 << PWM_IRQ_NUM) /* Mask Pulse-Width Modulator int. */
338 #define IWR_PWM (1 << PWM_IRQ_NUM) /* Pulse-Width Modulator int. */
368 #define ISR_PWM (1 << PWM_IRQ_NUM) /* Pulse-Width Modulator int. */
402 #define IPR_PWM (1 << PWM_IRQ_NUM) /* Pulse-Width Modulator int. */
644 * 0xFFFFF5xx -- Pulse-Width Modulator (PWM)
/linux/drivers/media/rc/
H A Dmeson-ir-tx.c96 * Disable the TX, set modulator clock tick and set initialize in meson_irtx_setup()
337 return dev_err_probe(dev, ret, "modulator clock setup failed\n"); in meson_irtx_probe()
/linux/Documentation/devicetree/bindings/pwm/
H A Dmicrochip,corepwm.yaml14 corePWM is an 16 channel pulse width modulator FPGA IP

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