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/linux/drivers/staging/media/atomisp/pci/isp/kernels/xnr/xnr_3.0/
H A Dia_css_xnr3.host.c19 /* Minimum value for sigma on host interface. Lower values translate to
56 /* sigma */
65 * Compute an alpha value for the ISP kernel from sigma value on the host
66 * parameter interface as: alpha_scale * 1/(sigma/sigma_scale)
69 compute_alpha(int sigma) in compute_alpha() argument
72 int offset = sigma / 2; in compute_alpha()
74 if (sigma < XNR_MIN_SIGMA) { in compute_alpha()
77 alpha = ((IA_CSS_XNR3_SIGMA_SCALE * XNR_ALPHA_SCALE_FACTOR) + offset) / sigma; in compute_alpha()
137 s32 alpha_y0 = compute_alpha(from->sigma.y0); in ia_css_xnr3_encode()
138 s32 alpha_y1 = compute_alpha(from->sigma.y1); in ia_css_xnr3_encode()
[all …]
/linux/include/linux/iio/adc/
H A Dad_sigma_delta.h3 * Support code for Analog Devices Sigma-Delta ADCs
21 * struct ad_sigma_delta_calib_data - Calibration data for Sigma Delta devices
36 * struct ad_sigma_delta_info - Sigma Delta driver specific callbacks and options
78 * struct ad_sigma_delta - Sigma Delta device struct
79 * @spi: The spi device associated with the Sigma Delta device.
80 * @trig: The IIO trigger associated with the Sigma Delta device.
82 * Most of the fields are private to the sigma delta library code and should not
/linux/Documentation/devicetree/bindings/iio/adc/
H A Dst,stm32-dfsdm-adc.yaml14 STM32 DFSDM ADC is a sigma delta analog-to-digital converter dedicated to
15 interface external sigma delta modulators to STM32 micro controllers.
17 - Sigma delta modulators (motor control, metering...)
155 Must be defined if two sigma delta modulators are
219 Must be defined if two sigma delta modulators are
227 Used to pipe external sigma delta modulator or internal ADC backend to DFSDM channel.
260 From common IIO binding. Used to pipe external sigma delta
316 From common IIO binding. Used to pipe external sigma delta
H A Dsigma-delta-modulator.yaml4 $id: http://devicetree.org/schemas/iio/adc/sigma-delta-modulator.yaml#
7 title: Sigma delta modulator
H A Dmicrochip,mcp3564.yaml14 Delta-Sigma ADCs with an SPI interface. Datasheet can be found here:
20 …eets/MCP3461-2-4-Two-Four-Eight-Channel-153.6-ksps-Low-Noise-16-Bit-Delta-Sigma-ADC-Data-Sheet-200…
/linux/arch/s390/crypto/
H A Dchacha-s390.S19 SYM_DATA_START_LOCAL(sigma)
27 .long 0x61707865,0x61707865,0x61707865,0x61707865 # smashed sigma
31 SYM_DATA_END(sigma)
85 larl %r7,sigma
89 VL K0,0,,%r7 # load sigma
97 VLM XA0,XA3,0x60,%r7,4 # load [smashed] sigma
485 larl %r7,sigma
491 VLM K0,BEPERM,0,%r7,4 # load sigma, increments, ...
741 VLM K0,T3,0,%r7,4 # re-load sigma and increments
/linux/drivers/iio/adc/
H A Dad_sigma_delta.c3 * Support code for Analog Devices Sigma-Delta ADCs
40 * @sigma_delta: The sigma delta device
54 * @sigma_delta: The sigma delta device
141 * @sigma_delta: The sigma delta device
183 * @sigma_delta: The sigma delta device
351 * @sigma_delta: The sigma delta device
470 * For sigma-delta sequencer drivers with multiple slots, an update_scan_mode in ad_sd_buffer_postenable()
771 * @indio_dev: The IIO device which the Sigma Delta device is used for
827 MODULE_DESCRIPTION("Analog Devices Sigma-Delta ADCs");
H A DKconfig88 tristate "Analog Devices AD7124 and similar sigma-delta ADCs driver"
285 simultaneously sampling sigma-delta analog to digital converter (ADC).
776 16-Bit 8-/16-Channel Delta Sigma ADC.
786 16-Bit 8-/16-Channel Delta Sigma ADC.
833 ultra-low power delta-sigma ADC.
1142 sigma-delta ADC. Some of the channels are internally used for
1157 sigma-delta ADC. The hardware supports calibrated results for
1261 tristate "Generic sigma delta modulator"
1266 Select this option to enables sigma delta modulator. This driver can
1267 support generic sigma delta modulators.
[all …]
H A Dsd_adc_modulator.c3 * Generic sigma delta modulator driver
159 MODULE_DESCRIPTION("Basic sigma delta modulator");
/linux/lib/
H A Dts_kmp.c17 * "q" = 0,1,...,m and any character "a" in SIGMA, the value
20 * has only m entries, whereas DELTA has O(m|SIGMA|) entries, we
21 * save a factor of |SIGMA| in the preprocessing time by computing
/linux/drivers/clk/sunxi-ng/
H A Dccu_sdm.c77 * Sigma delta modulation provides a way to do fractional-N frequency
117 pr_debug("%s: Read sigma-delta modulation setting\n", in ccu_sdm_helper_read_rate()
123 pr_debug("%s: clock is sigma-delta modulated\n", in ccu_sdm_helper_read_rate()
/linux/Documentation/ABI/testing/
H A Dsysfs-bus-iio-adc-mcp35646 circuit of the Delta-Sigma modulator. The different BOOST
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/kernel/bpf/
H A Dtnum.c64 u64 sm, sv, sigma, chi, mu; in tnum_add() local
68 sigma = sm + sv; in tnum_add()
69 chi = sigma ^ sv; in tnum_add()
/linux/drivers/hid/
H A Dhid-sigmamicro.c3 * HID driver for SiGma Micro-based keyboards
107 hid_info(hdev, "Fixing up SiGma Micro report descriptor\n"); in sm_report_fixup()
129 MODULE_DESCRIPTION("SiGma Micro HID driver");
/linux/include/keys/
H A Dtrusted_dcp.h3 * Copyright (C) 2021 sigma star gmbh
/linux/arch/x86/crypto/
H A Dblake2s-core.S21 SIGMA: label
58 leaq SIGMA+0xa0(%rip),%r8
68 leaq SIGMA(%rip),%rcx
/linux/Documentation/admin-guide/media/
H A Dbttv-cardlist.rst194 - Sigma TVII-FM
518 - MATRIX Vision Sigma-SQ
522 - MATRIX Vision Sigma-SLC
/linux/include/soc/fsl/
H A Ddcp.h3 * Copyright (C) 2021 sigma star gmbh
/linux/Documentation/devicetree/bindings/sound/
H A Dak5386.txt1 AK5386 Single-ended 24-Bit 192kHz delta-sigma ADC
H A Dasahi-kasei,ak5558.yaml7 title: AK5558 8 channel differential 32-bit delta-sigma ADC
/linux/include/crypto/
H A Dstreebog.h33 struct streebog_uint512 Sigma; member
/linux/sound/soc/stm/
H A DKconfig45 for Sigma Delta Modulators (DFSDM) driver used
/linux/net/sched/
H A Dsch_netem.c326 * std deviation sigma. Uses table lookup to approximate the desired
329 static s64 tabledist(s64 mu, s32 sigma, in tabledist() argument
338 if (sigma == 0) in tabledist()
345 return ((rnd % (2 * (u32)sigma)) + mu) - sigma; in tabledist()
348 x = (sigma % NETEM_DIST_SCALE) * t; in tabledist()
354 return x / NETEM_DIST_SCALE + (sigma / NETEM_DIST_SCALE) * t + mu; in tabledist()
/linux/arch/arm/boot/dts/nxp/imx/
H A Dimx6qp-phytec-mira-rdk-nand.dts4 * Author: Enrico Scholz <enrico.scholz@sigma-chemnitz.de>

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