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/kernel/linux/linux-5.10/include/linux/
Dclocksource.h1 /* SPDX-License-Identifier: GPL-2.0 */
34 * struct clocksource - hardware abstraction for a free running counter
35 * Provides mostly state-free accessors to the underlying hardware.
38 * @read: Returns a cycle value, passes clocksource as argument
44 * @maxadj: Maximum adjustment value to mult (~11%)
47 * @archdata: Optional arch-specific data
48 * @max_cycles: Maximum safe cycle value which won't overflow on
52 * @rating: Rating value for selection (higher is better)
56 * 1-99: Unfit for real use
58 * 100-199: Base level usability.
[all …]
/kernel/linux/linux-6.6/include/linux/
Dclocksource.h1 /* SPDX-License-Identifier: GPL-2.0 */
35 * struct clocksource - hardware abstraction for a free running counter
36 * Provides mostly state-free accessors to the underlying hardware.
39 * @read: Returns a cycle value, passes clocksource as argument
45 * @maxadj: Maximum adjustment value to mult (~11%)
48 * @archdata: Optional arch-specific data
49 * @max_cycles: Maximum safe cycle value which won't overflow on
53 * @rating: Rating value for selection (higher is better)
57 * 1-99: Unfit for real use
59 * 100-199: Base level usability.
[all …]
Dpower_supply.h1 /* SPDX-License-Identifier: GPL-2.0-only */
226 /* Run-time specific power supply configuration */
359 * struct power_supply_maintenance_charge_table - setting for maintenace charging
392 * +-------------------------------------------------------------------> t
394 * Practically this means that the Li-ions are wandering back and forth in the
405 * +-------------------------------------------------------------------> t
416 * As an example, a Samsung EB425161LA Lithium-Ion battery is CC/CV charged
431 * the expected stand-by current. Also overvoltage protection will be applied
443 * struct power_supply_battery_info - information about batteries
460 * the precharge rate is limited by limiting the current to this value.
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/kernel/linux/linux-5.10/Documentation/devicetree/bindings/iio/temperature/
Dadi,ltc2983.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Analog Devices LTC2983 Multi-sensor Temperature system
10 - Nuno Sá <nuno.sa@analog.com>
13 Analog Devices LTC2983 Multi-Sensor Digital Temperature Measurement System
14 https://www.analog.com/media/en/technical-documentation/data-sheets/2983fc.pdf
19 - adi,ltc2983
27 adi,mux-delay-config-us:
34 cases. An extra delay can be configured using this property. The value is
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/kernel/linux/linux-6.6/Documentation/timers/
Dtimekeeping.rst10 If you grep through the kernel source you will find a number of architecture-
12 architecture-specific overrides of the sched_clock() function and some
17 on this timeline, providing facilities such as high-resolution timers.
23 -------------
31 n bits which count from 0 to (2^n)-1 and then wraps around to 0 and start over.
36 shall be as stable and correct as possible as compared to a real-world wall
46 When the wall-clock accuracy of the clock source isn't satisfactory, there
48 the user-visible time to RTC clocks in the system or against networked time
55 into a nanosecond value as an unsigned long long (unsigned 64 bit) number.
58 possible to a nanosecond value using only the arithmetic operations
[all …]
/kernel/linux/linux-5.10/Documentation/timers/
Dtimekeeping.rst10 If you grep through the kernel source you will find a number of architecture-
12 architecture-specific overrides of the sched_clock() function and some
17 on this timeline, providing facilities such as high-resolution timers.
23 -------------
31 n bits which count from 0 to (2^n)-1 and then wraps around to 0 and start over.
36 shall be as stable and correct as possible as compared to a real-world wall
46 When the wall-clock accuracy of the clock source isn't satisfactory, there
48 the user-visible time to RTC clocks in the system or against networked time
55 into a nanosecond value as an unsigned long long (unsigned 64 bit) number.
58 possible to a nanosecond value using only the arithmetic operations
[all …]
/kernel/linux/linux-6.6/Documentation/devicetree/bindings/iio/temperature/
Dadi,ltc2983.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Analog Devices LTC2983, LTC2986, LTM2985 Multi-sensor Temperature system
10 - Nuno Sá <nuno.sa@analog.com>
13 Analog Devices LTC2983, LTC2984, LTC2986, LTM2985 Multi-Sensor Digital
16 https://www.analog.com/media/en/technical-documentation/data-sheets/2983fc.pdf
17 https://www.analog.com/media/en/technical-documentation/data-sheets/2984fb.pdf
18 https://www.analog.com/media/en/technical-documentation/data-sheets/29861fa.pdf
19 https://www.analog.com/media/en/technical-documentation/data-sheets/ltm2985.pdf
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/kernel/linux/linux-5.10/net/ipv4/
Dtcp_nv.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * TCP-NV is a successor of TCP-Vegas that has been developed to
7 * Like TCP-Vegas, TCP-NV supports true congestion avoidance,
9 * When congestion (queue buildup) starts to occur, TCP-NV
22 * seen issues with rx-frames values greater than 8.
42 * nv_rtt_factor RTT averaging factor
47 * slow-start due to congestion
48 * nv_stop_rtt_cnt Only grow cwnd for this many RTTs after non-congestion
53 * congested. One value (nv_cwnd_growth_rate_neg) for when
79 MODULE_PARM_DESC(nv_min_cwnd, "NV will not decrease cwnd below this value"
[all …]
/kernel/linux/linux-6.6/net/ipv4/
Dtcp_nv.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * TCP-NV is a successor of TCP-Vegas that has been developed to
7 * Like TCP-Vegas, TCP-NV supports true congestion avoidance,
9 * When congestion (queue buildup) starts to occur, TCP-NV
22 * seen issues with rx-frames values greater than 8.
41 * nv_rtt_factor RTT averaging factor
46 * slow-start due to congestion
47 * nv_stop_rtt_cnt Only grow cwnd for this many RTTs after non-congestion
52 * congested. One value (nv_cwnd_growth_rate_neg) for when
78 MODULE_PARM_DESC(nv_min_cwnd, "NV will not decrease cwnd below this value"
[all …]
/kernel/linux/linux-6.6/drivers/iio/adc/
Dab8500-gpadc.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) ST-Ericsson SA 2010
54 /* 0 = use VTVOUT, 1 = use VRTC as pull-up supply for battery temp NTC */
63 * the bit layout is the same for SW and HW conversion set-up
163 #define AB8500_ADC_CH_IBAT_MIN (-6000) /* mA range measured by ADC for ibat */
165 #define AB8500_ADC_CH_IBAT_MIN_V (-60) /* mV range measured by ADC for ibat */
167 #define AB8500_GPADC_IBAT_VDROP_L (-56) /* mV */
192 * struct ab8500_adc_cal_data - Table for storing gain and offset for the
207 * struct ab8500_gpadc_chan_info - per-channel GPADC info
230 * struct ab8500_gpadc - AB8500 GPADC device information
[all …]
/kernel/linux/linux-5.10/drivers/iio/adc/
Dab8500-gpadc.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) ST-Ericsson SA 2010
54 /* 0 = use VTVOUT, 1 = use VRTC as pull-up supply for battery temp NTC */
63 * the bit layout is the same for SW and HW conversion set-up
163 #define AB8500_ADC_CH_IBAT_MIN (-6000) /* mA range measured by ADC for ibat */
165 #define AB8500_ADC_CH_IBAT_MIN_V (-60) /* mV range measured by ADC for ibat */
167 #define AB8500_GPADC_IBAT_VDROP_L (-56) /* mV */
192 * struct ab8500_adc_cal_data - Table for storing gain and offset for the
207 * struct ab8500_gpadc_chan_info - per-channel GPADC info
230 * struct ab8500_gpadc - AB8500 GPADC device information
[all …]
/kernel/linux/linux-5.10/drivers/gpu/drm/
Ddrm_modes.c2 * Copyright © 1997-2003 by The XFree86 Project, Inc.
4 * Copyright © 2007-2008 Intel Corporation
6 * Copyright 2005-2006 Luc Verhaegen
49 * drm_mode_debug_printmodeline - print a mode to dmesg
61 * drm_mode_create - create a new display mode
83 * drm_mode_destroy - remove a mode
99 * drm_mode_probed_add - add a mode to a connector's probed_mode list
110 WARN_ON(!mutex_is_locked(&connector->dev->mode_config.mutex)); in drm_mode_probed_add()
112 list_add_tail(&mode->head, &connector->probed_modes); in drm_mode_probed_add()
117 * drm_cvt_mode -create a modeline based on the CVT algorithm
[all …]
/kernel/linux/linux-5.10/drivers/media/radio/si470x/
Dradio-si470x-common.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * drivers/media/radio/si470x/radio-si470x-common.c
14 * 2008-01-12 Tobias Lorenz <tobias.lorenz@gmx.net>
16 * - First working version
17 * 2008-01-13 Tobias Lorenz <tobias.lorenz@gmx.net>
19 * - Improved error handling, every function now returns errno
20 * - Improved multi user access (start/mute/stop)
21 * - Channel doesn't get lost anymore after start/mute/stop
22 * - RDS support added (polling mode via interrupt EP 1)
23 * - marked default module parameters with *value*
[all …]
/kernel/linux/linux-6.6/drivers/media/radio/si470x/
Dradio-si470x-common.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * drivers/media/radio/si470x/radio-si470x-common.c
14 * 2008-01-12 Tobias Lorenz <tobias.lorenz@gmx.net>
16 * - First working version
17 * 2008-01-13 Tobias Lorenz <tobias.lorenz@gmx.net>
19 * - Improved error handling, every function now returns errno
20 * - Improved multi user access (start/mute/stop)
21 * - Channel doesn't get lost anymore after start/mute/stop
22 * - RDS support added (polling mode via interrupt EP 1)
23 * - marked default module parameters with *value*
[all …]
/kernel/linux/linux-5.10/drivers/clk/renesas/
Dr9a06g032-clocks.c1 // SPDX-License-Identifier: GPL-2.0
11 #include <linux/clk-provider.h>
24 #include <dt-bindings/clock/r9a06g032-sysctrl.h>
46 /* For fixed-factor ones */
50 unsigned int factor; member
323 u32 __iomem *reg = clocks->reg + (4 * (one >> 5)); in clk_rdesc_set()
334 u32 __iomem *reg = clocks->reg + (4 * (one >> 5)); in clk_rdesc_get()
383 struct device_node *np = dev->of_node; in r9a06g032_attach_dev()
389 while (!of_parse_phandle_with_args(np, "clocks", "#clock-cells", i++, in r9a06g032_attach_dev()
391 if (clkspec.np != pd->dev.of_node) in r9a06g032_attach_dev()
[all …]
/kernel/linux/linux-6.6/drivers/gpu/drm/
Ddrm_modes.c2 * Copyright © 1997-2003 by The XFree86 Project, Inc.
4 * Copyright © 2007-2008 Intel Corporation
6 * Copyright 2005-2006 Luc Verhaegen
53 * drm_mode_debug_printmodeline - print a mode to dmesg
65 * drm_mode_create - create a new display mode
87 * drm_mode_destroy - remove a mode
103 * drm_mode_probed_add - add a mode to a connector's probed_mode list
114 WARN_ON(!mutex_is_locked(&connector->dev->mode_config.mutex)); in drm_mode_probed_add()
116 list_add_tail(&mode->head, &connector->probed_modes); in drm_mode_probed_add()
127 * - https://web.archive.org/web/20220406232708/http://www.kolumbus.fi/pami1/video/pal_ntsc.html
[all …]
/kernel/linux/linux-6.6/Documentation/core-api/
Dworkqueue.rst33 thread system-wide. A single MT wq needed to keep around the same
60 * Use per-CPU unified worker pools shared by all wq to provide
83 called worker-pools.
85 The cmwq design differentiates between the user-facing workqueues that
87 which manages worker-pools and processes the queued work items.
89 There are two worker-pools, one for normal work items and the other
91 worker-pools to serve work items queued on unbound workqueues - the
102 When a work item is queued to a workqueue, the target worker-pool is
104 and appended on the shared worklist of the worker-pool. For example,
106 be queued on the worklist of either normal or highpri worker-pool that
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/kernel/linux/linux-6.6/kernel/rcu/
Dsrcutree.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Sleepable Read-Copy Update mechanism for mutual exclusion.
11 * For detailed explanation of Read-Copy Update mechanism see -
33 /* Holdoff in nanoseconds for auto-expediting. */
38 /* Overflow-check frequency. N bits roughly says every 2**N grace periods. */
63 /* Number of CPUs to trigger init_srcu_struct()-time transition to big. */
71 /* Early-boot callback-management, so early that no lock is required! */
117 * Initialize SRCU per-CPU data. Note that statically allocated
120 * is set, don't initialize ->srcu_lock_count[] and ->srcu_unlock_count[].
128 * Initialize the per-CPU srcu_data array, which feeds into the in init_srcu_struct_data()
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/kernel/linux/linux-6.6/Documentation/admin-guide/media/
Dvivid.rst1 .. SPDX-License-Identifier: GPL-2.0
13 Each input can be a webcam, TV capture device, S-Video capture device or an HDMI
14 capture device. Each output can be an S-Video output device or an HDMI output
23 - Support for read()/write(), MMAP, USERPTR and DMABUF streaming I/O.
24 - A large list of test patterns and variations thereof
25 - Working brightness, contrast, saturation and hue controls
26 - Support for the alpha color component
27 - Full colorspace support, including limited/full RGB range
28 - All possible control types are present
29 - Support for various pixel aspect ratios and video aspect ratios
[all …]
/kernel/linux/linux-5.10/Documentation/admin-guide/media/
Dvivid.rst1 .. SPDX-License-Identifier: GPL-2.0
13 Each input can be a webcam, TV capture device, S-Video capture device or an HDMI
14 capture device. Each output can be an S-Video output device or an HDMI output
23 - Support for read()/write(), MMAP, USERPTR and DMABUF streaming I/O.
24 - A large list of test patterns and variations thereof
25 - Working brightness, contrast, saturation and hue controls
26 - Support for the alpha color component
27 - Full colorspace support, including limited/full RGB range
28 - All possible control types are present
29 - Support for various pixel aspect ratios and video aspect ratios
[all …]
/kernel/linux/linux-5.10/drivers/iio/temperature/
Dltc2983.c1 // SPDX-License-Identifier: GPL-2.0
3 * Analog Devices LTC2983 Multi-Sensor Digital Temperature Measurement System
42 (((chan - 1) * 4) + LTC2983_CHAN_ASSIGN_START_REG)
44 (((chan - 1) * 4) + LTC2983_TEMP_RES_START_REG)
275 * instance a resolution of 2^-10 means we have 10 fractional bits.
289 s64 __res = -(s32)val; in __convert_to_raw_sign()
293 return (u32)-__res; in __convert_to_raw_sign()
300 const struct device *dev = &st->spi->dev; in __ltc2983_fault_handler()
304 return -EIO; in __ltc2983_fault_handler()
317 u32 reg = LTC2983_CHAN_START_ADDR(sensor->chan); in __ltc2983_chan_assign_common()
[all …]
/kernel/linux/linux-6.6/drivers/iio/temperature/
Dltc2983.c1 // SPDX-License-Identifier: GPL-2.0
3 * Analog Devices LTC2983 Multi-Sensor Digital Temperature Measurement System
57 (((chan - 1) * 4) + LTC2983_CHAN_ASSIGN_START_REG)
59 (((chan - 1) * 4) + LTC2983_TEMP_RES_START_REG)
308 * instance a resolution of 2^-10 means we have 10 fractional bits.
322 s64 __res = -(s32)val; in __convert_to_raw_sign()
326 return (u32)-__res; in __convert_to_raw_sign()
333 const struct device *dev = &st->spi->dev; in __ltc2983_fault_handler()
337 return -EIO; in __ltc2983_fault_handler()
350 u32 reg = LTC2983_CHAN_START_ADDR(sensor->chan); in __ltc2983_chan_assign_common()
[all …]
/kernel/linux/linux-6.6/drivers/clk/renesas/
Dr9a06g032-clocks.c1 // SPDX-License-Identifier: GPL-2.0
11 #include <linux/clk-provider.h>
24 #include <linux/soc/renesas/r9a06g032-sysctrl.h>
26 #include <dt-bindings/clock/r9a06g032-sysctrl.h>
33 * struct regbit - describe one bit in a register
35 * expressed in units of 32-bit words (not bytes),
43 * Since registers are aligned on 32-bit boundaries, the
44 * offset will be specified in 32-bit words rather than bytes.
48 * offset from bytes to 32-bit words.
61 * struct r9a06g032_gate - clock-related control bits
[all …]
/kernel/linux/linux-5.10/drivers/gpu/drm/amd/display/dc/calcs/
Ddce_calcs.c38 * This file is gcc-parseable HW gospel, coming straight from HW engineers.
42 * remain as-is as it provides us with a guarantee from HW that it is correct.
126 yclk[low] = vbios->low_yclk; in calculate_bandwidth()
127 yclk[mid] = vbios->mid_yclk; in calculate_bandwidth()
128 yclk[high] = vbios->high_yclk; in calculate_bandwidth()
129 sclk[s_low] = vbios->low_sclk; in calculate_bandwidth()
130 sclk[s_mid1] = vbios->mid1_sclk; in calculate_bandwidth()
131 sclk[s_mid2] = vbios->mid2_sclk; in calculate_bandwidth()
132 sclk[s_mid3] = vbios->mid3_sclk; in calculate_bandwidth()
133 sclk[s_mid4] = vbios->mid4_sclk; in calculate_bandwidth()
[all …]
/kernel/linux/linux-6.6/drivers/gpu/drm/amd/display/dc/dml/calcs/
Ddce_calcs.c38 * This file is gcc-parseable HW gospel, coming straight from HW engineers.
42 * remain as-is as it provides us with a guarantee from HW that it is correct.
141 yclk[low] = vbios->low_yclk; in calculate_bandwidth()
142 yclk[mid] = vbios->mid_yclk; in calculate_bandwidth()
143 yclk[high] = vbios->high_yclk; in calculate_bandwidth()
144 sclk[s_low] = vbios->low_sclk; in calculate_bandwidth()
145 sclk[s_mid1] = vbios->mid1_sclk; in calculate_bandwidth()
146 sclk[s_mid2] = vbios->mid2_sclk; in calculate_bandwidth()
147 sclk[s_mid3] = vbios->mid3_sclk; in calculate_bandwidth()
148 sclk[s_mid4] = vbios->mid4_sclk; in calculate_bandwidth()
[all …]

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