| /kernel/linux/linux-5.10/Documentation/admin-guide/pm/ |
| D | suspend-flows.rst | 1 .. SPDX-License-Identifier: GPL-2.0
12 At least one global system-wide transition needs to be carried out for the
14 :doc:`sleep states <sleep-states>`. Hibernation requires more than one
16 referred to as *system-wide suspend* (or simply *system suspend*) states, need
27 significant differences between the :ref:`suspend-to-idle <s2idle>` code flows
28 and the code flows related to the :ref:`suspend-to-RAM <s2ram>` and
31 The :ref:`suspend-to-RAM <s2ram>` and :ref:`standby <standby>` sleep states
33 boils down to the platform-specific actions carried out by the suspend and
37 *platform-dependent suspend* states in what follows.
42 Suspend-to-idle Suspend Code Flow
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| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/input/touchscreen/ |
| D | ti-tsc-adc.txt | 1 * TI - TSC ADC (Touschscreen and analog digital converter)
5 - child "tsc"
8 ti,x-plate-resistance: X plate resistance
9 ti,coordinate-readouts: The sequencer supports a total of 16
10 programmable steps each step is used to
18 ti,wire-config: Different boards could have a different order for
27 - child "adc"
28 ti,adc-channels: List of analog inputs available for ADC.
32 - child "tsc"
33 ti,charge-delay: Length of touch screen charge delay step in terms of
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/input/touchscreen/ |
| D | ti-tsc-adc.txt | 1 * TI - TSC ADC (Touschscreen and analog digital converter)
5 - mfd
7 "ti,am3359-tscadc" for AM335x/AM437x SoCs
8 "ti,am654-tscadc", "ti,am3359-tscadc" for AM654 SoCs
9 - child "tsc"
10 compatible: Should be "ti,am3359-tsc".
13 ti,x-plate-resistance: X plate resistance
14 ti,coordinate-readouts: The sequencer supports a total of 16
15 programmable steps each step is used to
23 ti,wire-config: Different boards could have a different order for
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| /kernel/linux/linux-5.10/sound/soc/fsl/ |
| D | fsl_audmix.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
20 #define FSL_AUDMIX_ATSTPUP0 0x210 /* Attenuation step up factor */
21 #define FSL_AUDMIX_ATSTPDN0 0x214 /* Attenuation step down factor */
22 #define FSL_AUDMIX_ATSTPTGT0 0x218 /* Attenuation step target */
24 #define FSL_AUDMIX_ATSTP0 0x220 /* Attenuation step number */
28 #define FSL_AUDMIX_ATSTPUP1 0x230 /* Attenuation step up factor */
29 #define FSL_AUDMIX_ATSTPDN1 0x234 /* Attenuation step down factor */
30 #define FSL_AUDMIX_ATSTPTGT1 0x238 /* Attenuation step target */
32 #define FSL_AUDMIX_ATSTP1 0x240 /* Attenuation step number */
79 /* AUDMIX Attenuation Step Up Factor Register */
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| /kernel/linux/linux-4.19/Documentation/core-api/ |
| D | cpu_hotplug.rst | 25 A more novel use of CPU-hotplug support is its use today in suspend resume
26 support for SMP. Dual-core and HT support makes even a laptop run SMP kernels
87 from the map depending on the event is hot-add/hot-remove. There are currently
92 be read-only for most use. When setting up per-cpu resources almost always use
105 $ ls -lh /sys/devices/system/cpu
107 drwxr-xr-x 9 root root 0 Dec 21 16:33 cpu0
108 drwxr-xr-x 9 root root 0 Dec 21 16:33 cpu1
109 drwxr-xr-x 9 root root 0 Dec 21 16:33 cpu2
110 drwxr-xr-x 9 root root 0 Dec 21 16:33 cpu3
111 drwxr-xr-x 9 root root 0 Dec 21 16:33 cpu4
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| /kernel/linux/linux-5.10/Documentation/core-api/ |
| D | cpu_hotplug.rst | 25 A more novel use of CPU-hotplug support is its use today in suspend resume
26 support for SMP. Dual-core and HT support makes even a laptop run SMP kernels
80 from the map depending on the event is hot-add/hot-remove. There are currently
85 be read-only for most use. When setting up per-cpu resources almost always use
98 $ ls -lh /sys/devices/system/cpu
100 drwxr-xr-x 9 root root 0 Dec 21 16:33 cpu0
101 drwxr-xr-x 9 root root 0 Dec 21 16:33 cpu1
102 drwxr-xr-x 9 root root 0 Dec 21 16:33 cpu2
103 drwxr-xr-x 9 root root 0 Dec 21 16:33 cpu3
104 drwxr-xr-x 9 root root 0 Dec 21 16:33 cpu4
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| /kernel/linux/linux-5.10/arch/x86/kvm/mmu/ |
| D | tdp_iter.c | 1 // SPDX-License-Identifier: GPL-2.0
13 iter->sptep = iter->pt_path[iter->level - 1] + in tdp_iter_refresh_sptep()
14 SHADOW_PT_INDEX(iter->gfn << PAGE_SHIFT, iter->level); in tdp_iter_refresh_sptep()
15 iter->old_spte = READ_ONCE(*iter->sptep); in tdp_iter_refresh_sptep()
20 return gfn & -KVM_PAGES_PER_HPAGE(level); in round_gfn_for_level()
24 * Sets a TDP iterator to walk a pre-order traversal of the paging structure
33 iter->next_last_level_gfn = next_last_level_gfn; in tdp_iter_start()
34 iter->yielded_gfn = iter->next_last_level_gfn; in tdp_iter_start()
35 iter->root_level = root_level; in tdp_iter_start()
36 iter->min_level = min_level; in tdp_iter_start()
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| /kernel/linux/linux-4.19/drivers/tty/serial/ |
| D | ar933x_uart.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Atheros AR933X SoC built-in UART driver
30 #include <asm/mach-ath79/ar933x_uart.h>
32 #define DRIVER_NAME "ar933x-uart"
52 static inline unsigned int ar933x_uart_read(struct ar933x_uart_port *up, in ar933x_uart_read() argument
55 return readl(up->port.membase + offset); in ar933x_uart_read()
58 static inline void ar933x_uart_write(struct ar933x_uart_port *up, in ar933x_uart_write() argument
61 writel(value, up->port.membase + offset); in ar933x_uart_write()
64 static inline void ar933x_uart_rmw(struct ar933x_uart_port *up, in ar933x_uart_rmw() argument
71 t = ar933x_uart_read(up, offset); in ar933x_uart_rmw()
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| /kernel/linux/linux-5.10/drivers/usb/host/ |
| D | xhci-pci-renesas.c | 1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (C) 2019-2020 Linaro Limited */
12 #include "xhci-trace.h"
13 #include "xhci-pci.h"
54 const u32 *fw, size_t step, bool rom) in renesas_fw_download_image() argument
68 * The hardware does alternate between two 32-bit pages. in renesas_fw_download_image()
73 data0_or_data1 = (step & 1) == 1; in renesas_fw_download_image()
75 /* step+1. Read "Set DATAX" and confirm it is cleared. */ in renesas_fw_download_image()
79 dev_err(&dev->dev, "Read Status failed: %d\n", in renesas_fw_download_image()
89 dev_err(&dev->dev, "Timeout for Set DATAX step: %zd\n", step); in renesas_fw_download_image()
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| /kernel/linux/linux-5.10/drivers/tty/serial/ |
| D | ar933x_uart.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Atheros AR933X SoC built-in UART driver
31 #include <asm/mach-ath79/ar933x_uart.h>
35 #define DRIVER_NAME "ar933x-uart"
57 static inline unsigned int ar933x_uart_read(struct ar933x_uart_port *up, in ar933x_uart_read() argument
60 return readl(up->port.membase + offset); in ar933x_uart_read()
63 static inline void ar933x_uart_write(struct ar933x_uart_port *up, in ar933x_uart_write() argument
66 writel(value, up->port.membase + offset); in ar933x_uart_write()
69 static inline void ar933x_uart_rmw(struct ar933x_uart_port *up, in ar933x_uart_rmw() argument
76 t = ar933x_uart_read(up, offset); in ar933x_uart_rmw()
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| /kernel/linux/linux-5.10/Documentation/userspace-api/media/v4l/ |
| D | ext-ctrls-fm-tx.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _fm-tx-controls:
15 .. _fm-tx-control-id:
27 step are driver-specific.
33 Sets the RDS Programme Type field for transmission. This encodes up
34 to 31 pre-defined programme types.
52 programme-related information or any other text. In these cases,
97 up to 25 frequencies to be defined. Drivers may support fewer
103 receiver-generated distortion and prevent overmodulation.
107 useconds. Step and range are driver-specific.
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| /kernel/linux/linux-4.19/block/ |
| D | blk-wbt.c | 5 * - Monitor latencies in a defined window of time.
6 * - If the minimum latency in the above window exceeds some target, increment
7 * scaling step and scale down queue depth by a factor of 2x. The monitoring
8 * window is then shrunk to 100 / sqrt(scaling step + 1).
9 * - For any window where we don't have solid data on what the latencies
11 * - If latencies look good, decrement scaling step.
12 * - If we're only doing writes, allow the scaling step to go negative. This
14 * scaling step of 0 if reads show up or the heavy writers finish. Unlike
16 * scaling step retains the default step==0 window size.
24 #include <linux/backing-dev.h>
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| /kernel/linux/linux-5.10/block/ |
| D | blk-wbt.c | 1 // SPDX-License-Identifier: GPL-2.0
6 * - Monitor latencies in a defined window of time.
7 * - If the minimum latency in the above window exceeds some target, increment
8 * scaling step and scale down queue depth by a factor of 2x. The monitoring
9 * window is then shrunk to 100 / sqrt(scaling step + 1).
10 * - For any window where we don't have solid data on what the latencies
12 * - If latencies look good, decrement scaling step.
13 * - If we're only doing writes, allow the scaling step to go negative. This
15 * scaling step of 0 if reads show up or the heavy writers finish. Unlike
17 * scaling step retains the default step==0 window size.
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| /kernel/linux/linux-4.19/arch/sh/mm/ |
| D | tlb-sh5.c | 2 * arch/sh/mm/tlb-sh5.c
4 * Copyright (C) 2003 Paul Mundt <lethal@linux-sh.org>
18 * sh64_tlb_init - Perform initial setup for the DTLB and ITLB.
23 cpu_data->dtlb.entries = 64; in sh64_tlb_init()
24 cpu_data->dtlb.step = 0x10; in sh64_tlb_init()
26 cpu_data->dtlb.first = DTLB_FIXED | cpu_data->dtlb.step; in sh64_tlb_init()
27 cpu_data->dtlb.next = cpu_data->dtlb.first; in sh64_tlb_init()
29 cpu_data->dtlb.last = DTLB_FIXED | in sh64_tlb_init()
30 ((cpu_data->dtlb.entries - 1) * in sh64_tlb_init()
31 cpu_data->dtlb.step); in sh64_tlb_init()
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/sound/ |
| D | cs35l33.txt | 5 - compatible : "cirrus,cs35l33"
7 - reg : the I2C address of the device for I2C
9 - VA-supply, VP-supply : power supplies for the device,
15 - reset-gpios : gpio used to reset the amplifier
17 - interrupts : IRQ line info CS35L33.
18 (See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
21 - cirrus,boost-ctl : Booster voltage use to supply the amp. If the value is
23 a value of 1 and will increase at a step size of 100mV until a maximum of
26 - cirrus,ramp-rate : On power up, it affects the time from when the power
27 up sequence begins to the time the audio reaches a full-scale output.
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| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/sound/ |
| D | cs35l33.txt | 5 - compatible : "cirrus,cs35l33"
7 - reg : the I2C address of the device for I2C
9 - VA-supply, VP-supply : power supplies for the device,
15 - reset-gpios : gpio used to reset the amplifier
17 - interrupts : IRQ line info CS35L33.
18 (See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
21 - cirrus,boost-ctl : Booster voltage use to supply the amp. If the value is
23 a value of 1 and will increase at a step size of 100mV until a maximum of
26 - cirrus,ramp-rate : On power up, it affects the time from when the power
27 up sequence begins to the time the audio reaches a full-scale output.
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| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/mtd/ |
| D | mtk-nand.txt | 15 - compatible: Should be one of
16 "mediatek,mt2701-nfc",
17 "mediatek,mt2712-nfc",
18 "mediatek,mt7622-nfc".
19 - reg: Base physical address and size of NFI.
20 - interrupts: Interrupts of NFI.
21 - clocks: NFI required clocks.
22 - clock-names: NFI clocks internal name.
23 - ecc-engine: Required ECC Engine node.
24 - #address-cells: NAND chip index, should be 1.
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/mtd/ |
| D | mtk-nand.txt | 15 - compatible: Should be one of
16 "mediatek,mt2701-nfc",
17 "mediatek,mt2712-nfc",
18 "mediatek,mt7622-nfc".
19 - reg: Base physical address and size of NFI.
20 - interrupts: Interrupts of NFI.
21 - clocks: NFI required clocks.
22 - clock-names: NFI clocks internal name.
23 - ecc-engine: Required ECC Engine node.
24 - #address-cells: NAND chip index, should be 1.
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| /kernel/linux/linux-5.10/drivers/pinctrl/mediatek/ |
| D | pinctrl-mtk-common.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
12 #include <linux/pinctrl/pinconf-generic.h>
14 #include "mtk-eint.h"
61 #define SET_ADDR(x, y) (x + (y->devdata->port_align))
62 #define CLR_ADDR(x, y) (x + (y->devdata->port_align << 1))
71 * struct mtk_drv_group_desc - Provide driving group data.
76 * @step: The step current of this group.
83 unsigned char step; member
92 .step = _step, \
96 * struct mtk_pin_drv_grp - Provide each pin driving info.
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| /kernel/linux/linux-4.19/drivers/pinctrl/mediatek/ |
| D | pinctrl-mtk-common.h | 20 #include <linux/pinctrl/pinconf-generic.h>
22 #include "mtk-eint.h"
69 #define SET_ADDR(x, y) (x + (y->devdata->port_align))
70 #define CLR_ADDR(x, y) (x + (y->devdata->port_align << 1))
79 * struct mtk_drv_group_desc - Provide driving group data.
84 * @step: The step current of this group.
91 unsigned char step; member
100 .step = _step, \
104 * struct mtk_pin_drv_grp - Provide each pin driving info.
127 * - For special pins' pull up/down setting which resides in same register
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| /kernel/linux/linux-5.10/arch/arm/mach-omap1/ |
| D | pm.c | 2 * linux/arch/arm/mach-omap1/pm.c
57 #include <linux/omap-dma.h>
58 #include <clocksource/timer-ti-dm.h>
91 return -EINVAL; in idle_store()
163 * Turn off all interrupts except GPIO bank 1, L1-2nd level cascade, in omap_pm_wakeup_setup()
166 * wake up to a GPIO interrupt. in omap_pm_wakeup_setup()
221 * Step 1: turn off interrupts (FIXME: NOTE: already disabled) in omap1_pm_suspend()
228 * Step 2: save registers in omap1_pm_suspend()
281 /* (Step 3 removed - we now allow deep sleep by default) */ in omap1_pm_suspend()
284 * Step 4: OMAP DSP Shutdown in omap1_pm_suspend()
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| /kernel/linux/linux-5.10/drivers/clk/tegra/ |
| D | cvb.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2012-2019 NVIDIA Corporation. All rights reserved.
20 mv = DIV_ROUND_CLOSEST(cvb->c2 * speedo, s_scale); in get_cvb_voltage()
21 mv = DIV_ROUND_CLOSEST((mv + cvb->c1) * speedo, s_scale) + cvb->c0; in get_cvb_voltage()
28 /* combined: apply voltage scale and round to cvb alignment step */ in round_cvb_voltage()
30 int step = (align->step_uv ? : 1000) * v_scale; in round_cvb_voltage() local
31 int offset = align->offset_uv * v_scale; in round_cvb_voltage()
33 uv = max(mv * 1000, offset) - offset; in round_cvb_voltage()
34 uv = DIV_ROUND_UP(uv, step) * align->step_uv + align->offset_uv; in round_cvb_voltage()
40 UP enumerator
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| /kernel/linux/linux-4.19/arch/arm/mach-omap1/ |
| D | pm.c | 2 * linux/arch/arm/mach-omap1/pm.c
57 #include <linux/omap-dma.h>
58 #include <clocksource/timer-ti-dm.h>
91 return -EINVAL; in idle_store()
163 * Turn off all interrupts except GPIO bank 1, L1-2nd level cascade, in omap_pm_wakeup_setup()
166 * wake up to a GPIO interrupt. in omap_pm_wakeup_setup()
221 * Step 1: turn off interrupts (FIXME: NOTE: already disabled) in omap1_pm_suspend()
228 * Step 2: save registers in omap1_pm_suspend()
281 /* (Step 3 removed - we now allow deep sleep by default) */ in omap1_pm_suspend()
284 * Step 4: OMAP DSP Shutdown in omap1_pm_suspend()
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| /kernel/linux/linux-4.19/Documentation/input/devices/ |
| D | sentelic.rst | 8 :Copyright: |copy| 2002-2011 Sentelic Corporation.
10 :Last update: Dec-07-2011
28 BYTE |---------------|BYTE |---------------|BYTE|---------------|BYTE|---------------|
30 |---------------| |---------------| |---------------| |---------------|
40 Byte 2: X Movement(9-bit 2's complement integers)
41 Byte 3: Y Movement(9-bit 2's complement integers)
43 valid values, -8 ~ +7
51 - Set bit 1 in register 0x40 to 1
60 BYTE |---------------|BYTE |---------------|BYTE|---------------|BYTE|---------------|
62 |---------------| |---------------| |---------------| |---------------|
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|
| /kernel/linux/linux-5.10/Documentation/input/devices/ |
| D | sentelic.rst | 8 :Copyright: |copy| 2002-2011 Sentelic Corporation.
10 :Last update: Dec-07-2011
28 BYTE |---------------|BYTE |---------------|BYTE|---------------|BYTE|---------------|
30 |---------------| |---------------| |---------------| |---------------|
40 Byte 2: X Movement(9-bit 2's complement integers)
41 Byte 3: Y Movement(9-bit 2's complement integers)
43 valid values, -8 ~ +7
51 - Set bit 1 in register 0x40 to 1
60 BYTE |---------------|BYTE |---------------|BYTE|---------------|BYTE|---------------|
62 |---------------| |---------------| |---------------| |---------------|
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|