| /linux/drivers/mailbox/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
6 on-chip processors through queued messages and interrupt driven
37 will be discovered and possibly managed at probe-time.
71 running on the Cortex-M3 rWTM secure processor of the Armada 37xx
88 This driver provides support for inter-processor communication
89 between CPU cores and MCU processor on Some Rockchip SOCs.
176 module will be called mailbox-mpfs.
185 providing an interface for invoking the inter-process communication
186 signals from the application processor to other masters.
198 tristate "APM SoC X-Gene SLIMpro Mailbox Controller"
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| /linux/tools/perf/pmu-events/arch/x86/amdzen4/ |
| H A D | data-fabric.json | 4 … "PublicDescription": "Read data beats (64 bytes) for local processor at Coherent Station (CS) 0.",
12 … "PublicDescription": "Read data beats (64 bytes) for local processor at Coherent Station (CS) 1.",
20 … "PublicDescription": "Read data beats (64 bytes) for local processor at Coherent Station (CS) 2.",
28 … "PublicDescription": "Read data beats (64 bytes) for local processor at Coherent Station (CS) 3.",
36 … "PublicDescription": "Read data beats (64 bytes) for local processor at Coherent Station (CS) 4.",
44 … "PublicDescription": "Read data beats (64 bytes) for local processor at Coherent Station (CS) 5.",
52 … "PublicDescription": "Read data beats (64 bytes) for local processor at Coherent Station (CS) 6.",
60 … "PublicDescription": "Read data beats (64 bytes) for local processor at Coherent Station (CS) 7.",
68 … "PublicDescription": "Read data beats (64 bytes) for local processor at Coherent Station (CS) 8.",
76 … "PublicDescription": "Read data beats (64 bytes) for local processor at Coherent Station (CS) 9.",
[all …]
|
| /linux/drivers/firmware/tegra/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
8 IVC (Inter-VM Communication) protocol is part of the IPC
9 (Inter Processor Communication) framework on Tegra. It maintains the
19 BPMP (Boot and Power Management Processor) is designed to off-loading
|
| /linux/Documentation/devicetree/bindings/mailbox/ |
| H A D | qcom-ipcc.yaml | 1 # SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/mailbox/qcom-ipcc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm Technologies, Inc. Inter-Processor Communication Controller
10 - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
13 The Inter-Processor Communication Controller (IPCC) is a centralized hardware
14 to route interrupts across various subsystems. It involves a three-level
16 entity on the Application Processor Subsystem (APSS) that wants to listen to
18 a case, the client would be Modem (client-id is 2) and the signal would be
[all …]
|
| H A D | mtk,adsp-mbox.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mailbox/mtk,adsp-mbox.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Allen-KH Cheng <Allen-KH.Cheng@mediatek.com>
13 The MTK ADSP mailbox Inter-Processor Communication (IPC) enables the SoC
15 The MTK ADSP mailbox IPC also provides the ability for one processor to
16 signal the other processor using interrupts.
21 - enum:
22 - mediatek,mt8186-adsp-mbox
[all …]
|
| H A D | xlnx,zynqmp-ipi-mailbox.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mailbox/xlnx,zynqmp-ipi-mailbox.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Xilinx IPI(Inter Processor Interrupt) mailbox controller
10 The Xilinx IPI(Inter Processor Interrupt) mailbox controller is to manage
14 +-------------------------------------+
16 +-------------------------------------+
17 +--------------------------------------------------+
18 TF-A | |
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|
| /linux/Documentation/devicetree/bindings/powerpc/nintendo/ |
| H A D | wii.txt | 11 - model : Should be "nintendo,wii"
12 - compatible : Should be "nintendo,wii"
16 This node represents the multi-function "Hollywood" chip, which packages
21 - compatible : Should be "nintendo,hollywood"
25 Represents the interface between the graphics processor and a external
30 - compatible : should be "nintendo,hollywood-vi","nintendo,flipper-vi"
31 - reg : should contain the VI registers location and length
32 - interrupts : should contain the VI interrupt
34 1.b) The Processor Interface (PI) node
36 Represents the data and control interface between the main processor
[all …]
|
| /linux/Documentation/devicetree/bindings/timer/ |
| H A D | sifive,clint.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Palmer Dabbelt <palmer@dabbelt.com>
11 - Anup Patel <anup.patel@wdc.com>
14 SiFive (and other RISC-V) SOCs include an implementation of the SiFive
15 Core Local Interruptor (CLINT) for M-mode timer and M-mode inter-processor
16 interrupts. It directly connects to the timer and inter-processor interrupt
17 lines of various HARTs (or CPUs) so RISC-V per-HART (or per-CPU) local
19 The clock frequency of CLINT is specified via "timebase-frequency" DT
[all …]
|
| /linux/sound/soc/intel/avs/ |
| H A D | registers.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright(c) 2021-2022 Intel Corporation
41 /* SKL Intel HD Audio Inter-Processor Communication Registers */
53 /* CNL Intel HD Audio Inter-Processor Communication Registers */
75 #define AVS_FW_REG_BASE(adev) ((adev)->spec->sram->base_offset)
82 /* DSP -> HOST communication window */
84 /* HOST -> DSP communication window */
90 ((adev)->spec->sram->base_offset + \
91 (adev)->spec->sram->window_size * (window_idx))
94 ((adev)->dsp_ba + avs_sram_offset(adev, window_idx))
|
| /linux/arch/arc/kernel/ |
| H A D | smp.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
6 * -- Added support for Inter Processor Interrupts
9 * -- Initial Write (Borrowed heavily from ARM)
29 #include <asm/processor.h>
49 return -EINVAL; in arc_get_cpu_map()
52 return -EINVAL; in arc_get_cpu_map()
59 * "possible-cpus" property in DeviceTree pretend all [0..NR_CPUS-1] exist.
65 if (arc_get_cpu_map("possible-cpus", &cpumask)) { in arc_init_cpu_possible()
66 pr_warn("Failed to get possible-cpus from dtb, pretending all %u cpus exist\n", in arc_init_cpu_possible()
[all …]
|
| /linux/drivers/media/pci/cx18/ |
| H A D | cx18-scb.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
12 #include "cx18-mailbox.h"
14 /* NOTE: All ACK interrupts are in the SW2 register. All non-ACK interrupts
65 between SCB_OFFSET and SCB_OFFSET+SCB_RESERVED_SIZE-1 inclusive */
80 /* Offset where to find the Inter-Processor Communication data */
96 /* These fields form Inter-Processor Communication data which is used
102 /* bit 0: 1/0 processor ready/not ready. Set other bits to 0. */
|
| /linux/Documentation/translations/zh_TW/arch/loongarch/ |
| H A D | irq-chip-model.rst | 1 .. SPDX-License-Identifier: GPL-2.0
3 .. include:: ../../disclaimer-zh_TW.rst
5 :Original: Documentation/arch/loongarch/irq-chip-model.rst
15 HTVECINTC（Hyper-Transport Vector Interrupt Controller）、PCH-PIC（LS7A芯片組的主中
16 斷控制器）、PCH-LPC（LS7A芯片組的LPC中斷控制器）和PCH-MSI（MSI中斷控制器）。
19 全局中斷控制器（每個芯片一個，所有核共享），而PCH-PIC/PCH-LPC/PCH-MSI是CPU外部的中
26 在這種模型裏面，IPI（Inter-Processor Interrupt）和CPU本地時鐘中斷直接發送到CPUINTC，
27 CPU串口（UARTs）中斷髮送到LIOINTC，而其他所有設備的中斷則分別發送到所連接的PCH-PIC/
28 PCH-LPC/PCH-MSI，然後被HTVECINTC統一收集，再發送到LIOINTC，最後到達CPUINTC::
30 +-----+ +---------+ +-------+
[all …]
|
| /linux/drivers/media/platform/mediatek/vcodec/encoder/ |
| H A D | venc_vpu_if.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
13 * struct venc_vpu_inst - encoder VPU driver instance
23 * @id: the id of inter-processor interrupt
|
| H A D | venc_ipi_msg.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
16 * enum venc_ipi_msg_id - message id between AP and VPU
17 * (ipi stands for inter-processor interrupt)
34 * struct venc_ap_ipi_msg_init - AP to VPU init cmd structure
49 * struct venc_ap_ipi_msg_set_param - AP to VPU set_param cmd structure
71 * struct venc_ap_ipi_msg_enc - AP to VPU enc cmd structure
91 * struct venc_ap_ipi_msg_enc_ext - AP to SCP extended enc cmd structure
104 * struct venc_ap_ipi_msg_enc_ext_34 - AP to SCP extended enc cmd structure
128 * struct venc_ap_ipi_msg_deinit - AP to VPU deinit cmd structure
139 * enum venc_ipi_msg_status - VPU ack AP cmd status
[all …]
|
| /linux/Documentation/devicetree/bindings/interrupt-controller/ |
| H A D | marvell,mpic.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/interrupt-controller/marvell,mpic.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Marek Behún <kabel@kernel.org>
13 The top-level interrupt controller on Marvell Armada 370 and XP. On these
14 platforms it also provides inter-processor interrupts.
26 - description: main registers
27 - description: per-cpu registers
31 - description: |
[all …]
|
| /linux/arch/mips/kernel/ |
| H A D | smp-up.c | 6 * Copyright (C) 2006, 07 by Ralf Baechle (ralf@linux-mips.org)
14 * Send inter-processor interrupt
58 return -ENOSYS; in up_cpu_disable()
|
| /linux/Documentation/virt/kvm/devices/ |
| H A D | xics.rst | 1 .. SPDX-License-Identifier: GPL-2.0
25 -EINVAL Value greater than KVM_MAX_VCPU_IDS.
26 -EFAULT Invalid user pointer for attr->addr.
27 -EBUSY A vcpu is already connected to the device.
32 sources, each identified by a 20-bit source number, and a set of
43 least-significant end of the word:
50 * Pending IPI (inter-processor interrupt) priority, 8 bits
56 * Current processor priority, 8 bits
64 bitfields, starting from the least-significant end of the word:
79 This bit is 1 for a level-sensitive interrupt source, or 0 for
[all …]
|
| /linux/drivers/media/platform/mediatek/vpu/ |
| H A D | mtk_vpu.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
4 * Author: Andrew-CT Chen <andrew-ct.chen@mediatek.com>
15 * VPU (video processor unit) is a tiny processor controlling video hardware
25 * enum ipi_id - the id of inter-processor interrupt
67 * enum rst_id - reset id to register reset function for VPU watchdog timeout
82 * vpu_ipi_register - register an ipi function
98 * vpu_ipi_send - send data from AP to vpu.
105 * This function is thread-safe. When this function returns,
117 * vpu_get_plat_device - get VPU's platform device
128 * vpu_wdt_reg_handler - register a VPU watchdog handler
[all …]
|
| /linux/Documentation/devicetree/bindings/media/ |
| H A D | mediatek,mdp3-rdma.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/media/mediatek,mdp3-rdma.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Matthias Brugger <matthias.bgg@gmail.com>
11 - Moudy Ho <moudy.ho@mediatek.com>
24 - enum:
25 - mediatek,mt8183-mdp3-rdma
26 - mediatek,mt8188-mdp3-rdma
27 - mediatek,mt8195-mdp3-rdma
[all …]
|
| /linux/Documentation/userspace-api/media/ |
| H A D | glossary.rst | 1 .. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later
52 **Digital Signal Processor**
58 **Field-programmable Gate Array**
63 See https://en.wikipedia.org/wiki/Field-programmable_gate_array.
72 together make a larger user-facing functional peripheral. For
80 **Inter-Integrated Circuit**
82 A multi-master, multi-slave, packet switched, single-ended,
84 like sub-device hardware components.
86 See http://www.nxp.com/docs/en/user-guide/UM10204.pdf.
108 **Image Signal Processor**
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|
| /linux/sound/soc/intel/skylake/ |
| H A D | cnl-sst-dsp.h | |
| /linux/arch/powerpc/platforms/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
36 bool "ePAPR para-virtualization support"
38 Enables ePAPR para-virtualization support for guests.
47 a hypervisor. This option is not user-selectable but should
64 bool "Device-tree based CPU feature discovery & setup"
123 registers are used for inter-processor communication.
205 bool "On-chip CPU temperature sensor support"
208 G3 and G4 processors have an on-chip temperature sensor called the
209 'Thermal Assist Unit (TAU)', which, in theory, can measure the on-die
210 temperature within 2-4 degrees Celsius. This option shows the current
[all …]
|
| /linux/drivers/firmware/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
4 # see Documentation/kbuild/kconfig-language.rst.
18 Cores(AP) and the System Control Processor(SCP). The MHU peripheral
19 provides a mechanism for inter-processor communication between SCP
62 bool "Add firmware-provided memory map to sysfs" if EXPERT
65 Add the firmware-provided (unmodified) memory map to /sys/firmware/memmap.
69 See also Documentation/ABI/testing/sysfs-firmware-memmap.
78 DMI-based module auto-loading.
193 bootloader or kernel can show basic video-output during boot for
194 user-guidance and debugging. Historically, x86 used the VESA BIOS
[all …]
|
| /linux/Documentation/driver-api/media/drivers/ |
| H A D | ipu6.rst | 1 .. SPDX-License-Identifier: GPL-2.0
34 ------------------------
51 ---------
61 -------------------------------------
76 -----------------
80 Buttress with a copy of the SoC time, this counter maintains the up-to-date time
89 The IPU6 has its own scalar processor where the firmware run at and an internal
90 32-bit virtual address space. The IPU6 has MMU address translation hardware to
94 IPU6 driver. The IPU6 driver sets the level-1 page table base address to MMU
101 .. code-block:: none
[all …]
|
| /linux/Documentation/devicetree/bindings/powerpc/fsl/ |
| H A D | mpic.txt | 14 - compatible
22 - reg
24 Value type: <prop-encoded-array>
29 - interrupt-controller
35 - #interrupt-cells
39 specifiers do not contain the interrupt-type or type-specific
42 - #address-cells
47 - pic-no-reset
53 configuration registers to a sane state-- masked or
60 - big-endian
[all …]
|