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/linux-6.15/Documentation/devicetree/bindings/dsp/
H A Dmediatek,mt8186-dsp.yaml7 title: MediaTek mt8186 DSP core
13 MediaTek mt8186 SoC contains a DSP core used for
24 - description: Address and size of the DSP config registers
25 - description: Address and size of the DSP SRAM
26 - description: Address and size of the DSP secure registers
27 - description: Address and size of the DSP bus registers
51 - description: mailbox for receiving audio DSP requests.
52 - description: mailbox for transmitting requests to audio DSP.
61 - description: dma buffer between host and DSP.
62 - description: DSP system memory.
H A 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-6.15/Documentation/hwmon/
H A 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-6.15/Documentation/devicetree/bindings/gpio/
H A 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-6.15/Documentation/devicetree/bindings/remoteproc/
H A Dti,davinci-rproc.txt1 TI Davinci DSP devices
4 The TI Davinci family of SoCs usually contains a TI DSP Core sub-system that
10 controller, a dedicated local power/sleep controller etc. The DSP processor
11 core used in Davinci SoCs is usually a C674x DSP CPU.
13 DSP Device Node:
15 Each DSP Core sub-system is represented as a single DT node.
35 interrupts from the DSP. The value should follow the
49 /* DSP Reserved Memory node */
62 /* DSP node */
H A 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
13 DSP Device Node:
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 */
147 /* 66AK2G DSP alias */
152 /* 66AK2G DSP memory node */
[all …]
H A 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
H A 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
178 /* J721E C66_0 DSP node */
195 /* J721E C71_0 DSP node */
/linux-6.15/Documentation/sound/soc/
H A Ddpcm.rst22 Phone Audio System with SoC based DSP
35 * DSP *
66 * DSP *
83 * DSP *
136 * DSP *
209 * DSP *
226 DSP firmware.
250 /* The DSP will convert the FE rate to 48k, stereo */
275 Writing a DPCM DSP driver
286 3. DAPM widgets from DSP graph.
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H A 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.
H A Dcodec-to-codec.rst64 .name = "CPU-DSP",
65 .stream_name = "CPU-DSP",
77 .name = "DSP-CODEC",
78 .stream_name = "DSP-CODEC",
/linux-6.15/drivers/firmware/imx/
H A 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-6.15/Documentation/sound/cards/
H A Demu-mixer.rst2 E-MU Digital Audio System mixer / default DSP code
65 and the DSP microcontroller can operate with the resulting sum.
123 are forwarded to the DSP 4 playback channel.
129 are forwarded to the DSP 5 playback channel.
158 The result samples are forwarded to the DSP 0 & 1 playback channels.
163 The result samples are forwarded to the DSP 2 & 3 playback channels.
168 The result samples are forwarded to the DSP 6 & 7 playback channels.
173 The result samples are forwarded to the DSP 4 playback channel.
178 The result samples are forwarded to the DSP 5 playback channel.
183 the DSP playback channels are affected.
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/linux-6.15/arch/sh/
H A 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-6.15/Documentation/devicetree/bindings/dma/
H A 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-6.15/Documentation/sound/designs/
H A 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.
218 interface to pass this information to the DSP. Also DSP and userspace needs to
247 - then call partial_drain to flush most of buffer in DSP
249 - DSP switches to second track
291 coupling between the DSP and the host stack, limiting power savings.
[all …]
/linux-6.15/Documentation/devicetree/bindings/iommu/
H A 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-6.15/Documentation/devicetree/bindings/net/
H A Dqcom,qca807x.yaml77 With this not defined, amplitude is set to DSP.
89 With this not defined, bias current is set to DSP.
107 - With only DSP amplitude: bias current is set to half and
109 - With DSP bias current (included both DSP amplitude and
110 DSP bias current): bias current is half the detected current
/linux-6.15/drivers/remoteproc/
H A DKconfig12 Support for remote processors (such as DSP coprocessors). These
38 tristate "i.MX DSP remoteproc support"
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).
135 Say Y here here to support Keystone remote processors (DSP)
234 used to control subsystems such as ADSP (Audio DSP),
235 CDSP (Compute DSP), MPSS (Modem Peripheral SubSystem), and
271 modem or DSP.
331 tristate "TI K3 DSP remoteproc support"
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/linux-6.15/arch/arc/
H A DKconfig371 bool "Reg Pair ACCL:ACCH (FPU and/or MPY > 6 and/or DSP)"
385 prompt "DSP support"
394 bool "No DSP extension presence in HW"
396 No DSP extension presence in HW
399 bool "DSP extension in HW, no support for userspace"
403 DSP extension presence in HW, no support for DSP-enabled userspace
408 bool "Support DSP for userspace apps"
413 DSP extension presence in HW, support save / restore DSP registers to
414 run DSP-enabled userspace applications
417 bool "Support DSP with AGU for userspace apps"
[all …]
/linux-6.15/Documentation/devicetree/bindings/arm/omap/
H A Ddsp.txt1 * TI - DSP (Digital Signal Processor)
3 TI DSP included in OMAP SoC
/linux-6.15/drivers/firmware/efi/
H A Dcper_cxl.c46 case DSP: in cxl_cper_print_prot_err()
72 case DSP: in cxl_cper_print_prot_err()
113 case DSP: in cxl_cper_print_prot_err()
/linux-6.15/Documentation/devicetree/bindings/mfd/
H A Dstericsson,db8500-prcmu.yaml123 description: Smart Video Accelerator (SVA) multimedia DSP (MMDSP)
124 voltage regulator. This is the voltage for the accelerator DSP
131 description: Smart Video Accelerator (SVA) multimedia DSP (MMDSP)
138 description: Smart Video Accelerator (SVA) multimedia DSP (MMDSP)
145 description: Smart Image Accelerator (SIA) multimedia DSP (MMDSP)
146 voltage regulator. This is the voltage for the accelerator DSP
153 description: Smart Image Accelerator (SIA) multimedia DSP (MMDSP)
160 description: Smart Image Accelerator (SIA) multimedia DSP (MMDSP)
/linux-6.15/Documentation/devicetree/bindings/powerpc/nintendo/
H A Dgamecube.txt45 1.c) The Digital Signal Processor (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-6.15/Documentation/devicetree/bindings/sound/
H A Dqcom,q6dsp-lpass-clocks.yaml7 title: Qualcomm DSP LPASS Clock Controller
13 This binding describes the Qualcomm DSP Clock Controller

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