| /kernel/linux/linux-6.6/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
[all …]
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| /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
[all …]
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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
[all …]
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| /kernel/linux/linux-6.6/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 */
[all …]
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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 */
[all …]
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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
[all …]
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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()
[all …]
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| /kernel/linux/linux-6.6/Documentation/admin-guide/ |
| D | quickly-build-trimmed-linux.rst | 1 .. SPDX-License-Identifier: (GPL-2.0+ OR CC-BY-4.0)
9 testing purposes, but perfectly fine for day-to-day use, too.
15 section below: it contains a step-by-step guide, which is more detailed, but
21 self-compiled Linux kernels; install compilers and everything else needed for
26 git clone --depth 1 -b master \
34 make -j $(nproc --all)
37 command -v installkernel && sudo make modules_install install
43 git fetch --depth 1 origin
45 git checkout --force --detach origin/master
49 make -j $(nproc --all)
[all …]
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| /kernel/linux/linux-6.6/arch/x86/kvm/mmu/ |
| D | tdp_iter.c | 1 // SPDX-License-Identifier: GPL-2.0
14 iter->sptep = iter->pt_path[iter->level - 1] + in tdp_iter_refresh_sptep()
15 SPTE_INDEX(iter->gfn << PAGE_SHIFT, iter->level); in tdp_iter_refresh_sptep()
16 iter->old_spte = kvm_tdp_mmu_read_spte(iter->sptep); in tdp_iter_refresh_sptep()
25 iter->yielded = false; in tdp_iter_restart()
26 iter->yielded_gfn = iter->next_last_level_gfn; in tdp_iter_restart()
27 iter->level = iter->root_level; in tdp_iter_restart()
29 iter->gfn = gfn_round_for_level(iter->next_last_level_gfn, iter->level); in tdp_iter_restart()
32 iter->valid = true; in tdp_iter_restart()
36 * Sets a TDP iterator to walk a pre-order traversal of the paging structure
[all …]
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| /kernel/linux/linux-6.6/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()
[all …]
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| /kernel/linux/linux-6.6/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()
[all …]
|
| /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()
[all …]
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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()
[all …]
|
| /kernel/linux/linux-6.6/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.
[all …]
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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.
[all …]
|
| /kernel/linux/linux-6.6/Documentation/core-api/ |
| D | cpu_hotplug.rst | 26 A more novel use of CPU-hotplug support is its use today in suspend resume
27 support for SMP. Dual-core and HT support makes even a laptop run SMP kernels
81 from the map depending on the event is hot-add/hot-remove. There are currently
86 be read-only for most use. When setting up per-cpu resources almost always use
100 $ ls -lh /sys/devices/system/cpu
102 drwxr-xr-x 9 root root 0 Dec 21 16:33 cpu0
103 drwxr-xr-x 9 root root 0 Dec 21 16:33 cpu1
104 drwxr-xr-x 9 root root 0 Dec 21 16:33 cpu2
105 drwxr-xr-x 9 root root 0 Dec 21 16:33 cpu3
106 drwxr-xr-x 9 root root 0 Dec 21 16:33 cpu4
[all …]
|
| /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.
[all …]
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| /kernel/linux/linux-6.6/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
[all …]
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/input/touchscreen/ |
| D | ti,am3359-tsc.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/input/touchscreen/ti,am3359-tsc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Miquel Raynal <miquel.raynal@bootlin.com>
14 const: ti,am3359-tsc
22 ti,x-plate-resistance:
26 ti,coordinate-readouts:
28 step is used to read a single coordinate. A single readout is enough but
36 ti,wire-config:
[all …]
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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.
[all …]
|
| /kernel/linux/linux-6.6/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.
[all …]
|
| /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.
[all …]
|
| /kernel/linux/linux-6.6/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.
[all …]
|
| /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.
[all …]
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| /kernel/linux/linux-6.6/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.
[all …]
|