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/linux-6.1.9/Documentation/devicetree/bindings/dsp/
Dmediatek,mt8186-dsp.yaml7 title: MediaTek mt8186 DSP core
13 MediaTek mt8186 SoC contains a DSP core used for
22 - description: Address and size of the DSP config registers
23 - description: Address and size of the DSP SRAM
24 - description: Address and size of the DSP secure registers
25 - description: Address and size of the DSP bus registers
49 - description: mailbox for receiving audio DSP requests.
50 - description: mailbox for transmitting requests to audio DSP.
59 - description: dma buffer between host and DSP.
60 - description: DSP system memory.
Dmediatek,mt8195-dsp.yaml7 title: Mediatek mt8195 DSP core
13 Some boards from mt8195 contain a DSP core used for
22 - description: Address and size of the DSP Cfg registers
23 - description: Address and size of the DSP SRAM
53 - description: mailbox for receiving audio DSP requests.
54 - description: mailbox for transmitting requests to audio DSP.
63 - description: dma buffer between host and DSP.
64 - description: DSP system memory.
/linux-6.1.9/Documentation/hwmon/
Dlochnagar.rst33 in1_input Measured voltage for 1V8 DSP (milliVolts)
34 in1_label "1V8 DSP"
35 curr2_input Measured current for 1V8 DSP (milliAmps)
36 curr2_label "1V8 DSP"
37 power2_average Measured average power for 1V8 DSP (microWatts)
39 power2_label "1V8 DSP"
47 in3_input Measured voltage for VDDCORE DSP (milliVolts)
48 in3_label "VDDCORE DSP"
49 curr4_input Measured current for VDDCORE DSP (milliAmps)
50 curr4_label "VDDCORE DSP"
[all …]
/linux-6.1.9/Documentation/devicetree/bindings/gpio/
Dgpio-dsp-keystone.txt1 Keystone 2 DSP GPIO controller bindings
3 HOST OS userland running on ARM can send interrupts to DSP cores using
4 the DSP GPIO controller IP. It provides 28 IRQ signals per each DSP core.
7 For example TCI6638K2K SoC has 8 DSP GPIO controllers:
10 Keystone 2 DSP GPIO controller has specific features:
12 - setting GPIO value to 1 causes IRQ generation on target DSP core;
/linux-6.1.9/Documentation/devicetree/bindings/remoteproc/
Dti,davinci-rproc.txt1 TI Davinci DSP devices
7 The TI Davinci family of SoCs usually contains a TI DSP Core sub-system that
13 controller, a dedicated local power/sleep controller etc. The DSP processor
14 core used in Davinci SoCs is usually a C674x DSP CPU.
16 DSP Device Node:
18 Each DSP Core sub-system is represented as a single DT node.
38 interrupts from the DSP. The value should follow the
52 /* DSP Reserved Memory node */
65 /* DSP node */
Dti,keystone-rproc.txt1 TI Keystone DSP devices
4 The TI Keystone 2 family of SoCs usually have one or more (upto 8) TI DSP Core
10 a dedicated local power/sleep controller etc. The DSP processor core in
13 DSP Device Node:
15 Each DSP Core sub-system is represented as a single DT node, and should also
42 State Control node, and the register offset of the DSP
83 and an args specifier containing the DSP device id
101 /* 66AK2H/K DSP aliases */
113 /* 66AK2H/K DSP memory node */
126 /* 66AK2H/K DSP node */
[all …]
Dti,k3-dsp-rproc.yaml7 title: TI K3 DSP devices
13 The TI K3 family of SoCs usually have one or more TI DSP Core sub-systems
19 controller, a dedicated local power/sleep controller etc. The DSP processor
23 Each DSP Core sub-system is represented as a single DT node. Each node has a
162 /* J721E C66_0 DSP node */
179 /* J721E C71_0 DSP node */
Dti,omap-remoteproc.yaml21 The OMAP SoCs usually have a DSP processor sub-system and/or an IPU processor
22 sub-system. The DSP processor sub-system can contain any of the TI's C64x,
23 C66x or C67x family of DSP cores as the main execution unit. The IPU processor
108 'reg-names'. These are mandatory for all DSP and IPU
132 This property is required for all the DSP instances on OMAP4, OMAP5
225 //Example 1: OMAP4 DSP
227 /* DSP Reserved Memory node */
240 /* DSP node */
295 //Example 3: DRA7xx/AM57xx DSP
/linux-6.1.9/Documentation/sound/soc/
Ddpcm.rst10 digital audio to I2S DAI0, I2S DAI1 or PDM DAI2. This is useful for on SoC DSP
15 graph representing the DSP internal audio paths and uses the mixer settings to
22 Phone Audio System with SoC based DSP
29 | Front End PCMs | SoC DSP | Back End DAIs | Audio devices |
35 * DSP *
47 modem. This sound card exposes 4 DSP front end (FE) ALSA PCM devices and
66 * DSP *
83 * DSP *
130 | Front End PCMs | SoC DSP | Back End DAIs | Audio devices |
136 * DSP *
[all …]
Dplatform.rst6 drivers and DSP drivers. The platform drivers only target the SoC CPU and must
68 SoC DSP Drivers
71 Each SoC DSP driver usually supplies the following features :-
75 3. DMA IO to/from DSP buffers (if applicable)
76 4. Definition of DSP front end (FE) PCM devices.
Dcodec-to-codec.rst64 .name = "CPU-DSP",
65 .stream_name = "CPU-DSP",
76 .name = "DSP-CODEC",
77 .stream_name = "DSP-CODEC",
/linux-6.1.9/drivers/firmware/imx/
DKconfig3 tristate "IMX DSP Protocol driver"
6 This enables DSP IPC protocol between host AP (Linux)
7 and the firmware running on DSP.
8 DSP exists on some i.MX8 processors (e.g i.MX8QM, i.MX8QXP).
11 exchange information with DSP side.
/linux-6.1.9/arch/sh/
DKconfig.cpu40 prompt "DSP support"
44 have DSP units (ie, SH2-DSP, SH3-DSP, and SH4AL-DSP).
46 This option must be set in order to enable the DSP.
/linux-6.1.9/Documentation/devicetree/bindings/dma/
Dstericsson,dma40.yaml46 24: Multimedia DSP SXA0
47 25: Multimedia DSP SXA1
48 26: Multimedia DSP SXA2
49 27: Multimedia DSP SXA3
66 44: Multimedia DSP SXA4
67 45: Multimedia DSP SXA5
68 46: SLIMbus channel 8 or Multimedia DSP SXA6
69 47: SLIMbus channel 9 or Multimedia DSP SXA7
/linux-6.1.9/sound/soc/intel/
DKconfig9 has an audio controller with a DSP and I2S or DMIC port, then
93 If you have a Intel Skylake platform with the DSP enabled
102 If you have a Intel Broxton/ApolloLake platform with the DSP
111 If you have a Intel Kabylake platform with the DSP
120 If you have a Intel GeminiLake platform with the DSP
129 If you have a Intel CNL/WHL platform with the DSP
138 If you have a Intel CoffeeLake platform with the DSP
147 If you have a Intel CometLake-H platform with the DSP
156 If you have a Intel CometLake-LP platform with the DSP
185 GeminiLake or CannonLake platform with the DSP enabled in the BIOS
[all …]
/linux-6.1.9/drivers/remoteproc/
DKconfig12 Support for remote processors (such as DSP coprocessors). These
38 tristate "i.MX DSP remoteproc support"
43 Say y here to support iMX's DSP remote processors via the remote
75 and DSP on OMAP4) via the remote processor framework.
81 offloaded to remote DSP processors using this framework).
120 offloaded to remote DSP processors using this framework).
123 loaded on the DSP. This file must reside in the /lib/firmware
135 Say Y here here to support Keystone remote processors (DSP)
233 used to control subsystems such as ADSP (Audio DSP),
234 CDSP (Compute DSP), MPSS (Modem Peripheral SubSystem), and
[all …]
/linux-6.1.9/Documentation/sound/designs/
Dcompress-offload.rst17 In recent years, audio digital signal processors (DSP) were integrated
68 streaming compressed data to a DSP, with the assumption that the
75 DSP, eg. Android HAL or PulseAudio sinks. By construction, regular
95 is transmitted to the audio DSP. DMA transfers from main memory to an
132 This routines returns the actual settings used by the DSP. Changes to
140 refilled or the delay due to decoding/encoding/io on the DSP.
216 So we need to pass this to DSP. This metadata is extracted from ID3/MP4 headers
218 interface to pass this information to the DSP. Also DSP and userspace needs to
229 This routine tells DSP that metadata and write operation sent after this would
233 This is called when end of file is reached. The userspace can inform DSP that
[all …]
/linux-6.1.9/Documentation/devicetree/bindings/iommu/
Dti,omap-iommu.txt7 "ti,dra7-dsp-iommu" for DRA7xx DSP IOMMU instances
27 is required for DSP IOMMU instances on DRA7xx SoCs. The
28 instance number should be 0 for DSP MDMA MMUs and 1 for
29 DSP EDMA MMUs.
/linux-6.1.9/arch/arc/
DKconfig367 bool "Reg Pair ACCL:ACCH (FPU and/or MPY > 6 and/or DSP)"
381 prompt "DSP support"
384 Depending on the configuration, CPU can contain DSP registers
390 bool "No DSP extension presence in HW"
392 No DSP extension presence in HW
395 bool "DSP extension in HW, no support for userspace"
399 DSP extension presence in HW, no support for DSP-enabled userspace
400 applications. We don't save / restore DSP registers and only do
404 bool "Support DSP for userspace apps"
409 DSP extension presence in HW, support save / restore DSP registers to
[all …]
/linux-6.1.9/Documentation/devicetree/bindings/arm/omap/
Ddsp.txt1 * TI - DSP (Digital Signal Processor)
3 TI DSP included in OMAP SoC
/linux-6.1.9/Documentation/devicetree/bindings/mfd/
Dstericsson,db8500-prcmu.yaml115 description: Smart Video Accelerator (SVA) multimedia DSP (MMDSP)
116 voltage regulator. This is the voltage for the accelerator DSP
122 description: Smart Video Accelerator (SVA) multimedia DSP (MMDSP)
128 description: Smart Video Accelerator (SVA) multimedia DSP (MMDSP)
134 description: Smart Image Accelerator (SIA) multimedia DSP (MMDSP)
135 voltage regulator. This is the voltage for the accelerator DSP
141 description: Smart Image Accelerator (SIA) multimedia DSP (MMDSP)
147 description: Smart Image Accelerator (SIA) multimedia DSP (MMDSP)
/linux-6.1.9/Documentation/devicetree/bindings/powerpc/nintendo/
Dgamecube.txt45 1.c) The Digital Signal Procesor (DSP) node
53 - reg : should contain the DSP registers location and length
54 - interrupts : should contain the DSP interrupt
60 The ARAM node must be placed under the DSP node.
/linux-6.1.9/sound/soc/sof/
DKconfig6 generic open source audio DSP firmware for multiple devices.
164 if you are trying to debug IPC with the DSP firmware.
183 memory -> DSP resource (memory, register, etc)
184 before the audio DSP is suspended. This will increase the suspend
203 which can be used to flood the DSP with test IPCs and gather stats
222 crafted IPC messages to the DSP to test its robustness.
227 bool "SOF retain DSP context on any FW exceptions"
229 This option keeps the DSP in D0 state so that firmware debug
231 Say Y if you want to retain DSP context for FW exceptions.
/linux-6.1.9/Documentation/devicetree/bindings/soc/qcom/
Dqcom,apr.yaml55 2 = Audio DSP Domain
106 3 = DSP Core Service
125 description: Qualcomm DSP LPASS clock controller
135 description: Qualcomm DSP audio ports
141 description: Qualcomm DSP LPASS audio routing
/linux-6.1.9/Documentation/devicetree/bindings/sound/
Dtas5805m.yaml13 The TAS5805M is a class D audio amplifier with a built-in DSP.
35 The name of the DSP configuration that should be loaded for this

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