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/openbmc/u-boot/doc/
H A DREADME.Heterogeneous-SoCs1 DSP side awareness for Freescale heterogeneous multicore chips based on
7 SC3900/DSP cores and such devices like CPRI, MAPLE, MAPLE-ULB etc.
9 Code for DSP side awareness provides such functionality for Freescale
19 Code added in this file to print the DSP cores and other device's(CPRI,
35 in the system and CONFIGS for SC3900/DSP components
50 DSP/SC3900 core clusters
73 DSP cores and other device's components have been added in this structure.
75 freq_processor_dsp[CONFIG_MAX_DSP_CPUS] - Array to contain the DSP core's frequencies
91 DSP CPU0:1200 MHz, DSP CPU1:1200 MHz, DSP CPU2:1200 MHz, DSP CPU3:1200 MHz,
92 DSP CPU4:1200 MHz, DSP CPU5:1200 MHz,
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/openbmc/linux/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"
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/openbmc/linux/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;
/openbmc/linux/Documentation/devicetree/bindings/remoteproc/
H A 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 */
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
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 */
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/openbmc/linux/Documentation/sound/soc/
H A 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 *
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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",
76 .name = "DSP-CODEC",
77 .stream_name = "DSP-CODEC",
/openbmc/linux/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.
/openbmc/linux/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.
102 samples for 5.1 playback. The result samples are forwarded to the DSP 0 & 1
109 samples for 5.1 playback. The result samples are forwarded to the DSP 2 & 3
116 samples for 7.1 playback. The result samples are forwarded to the DSP 6 & 7
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.
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/openbmc/linux/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.
/openbmc/linux/sound/soc/intel/
H A 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
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/openbmc/u-boot/board/freescale/bsc9131rdb/
H A DREADME4 It combines Power Architecture e500v2 and DSP StarCore SC3850 core
11 . StarCore SC3850 DSP subsystem with a 512-Kbyte private L2 cache
104 0xA0000000 0xBFFFFFFF Shared DSP core L2/M2 space 512M
109 0xFEE0_0000 0xFEE0_0FFF DSP Boot ROM 4K
110 0xFF60_0000 0xFF6F_FFFF DSP CCSR 1M
117 0x3700_0000 0x37FF_FFFF PowerPC-DSP shared control area
118 0x3800_0000 0x4FFF_FFFF DSP Private area
121 data communcation between PowerPC and DSP core.
/openbmc/linux/drivers/firmware/efi/
H A Dcper_cxl.c54 DSP, /* CXL Downstream Switch Port */ enumerator
79 case DSP: in cper_print_prot_err()
105 case DSP: in cper_print_prot_err()
146 case DSP: in cper_print_prot_err()
/openbmc/linux/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.
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
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/openbmc/linux/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.
/openbmc/linux/arch/arc/
H A DKconfig371 bool "Reg Pair ACCL:ACCH (FPU and/or MPY > 6 and/or DSP)"
385 prompt "DSP support"
388 Depending on the configuration, CPU can contain DSP registers
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
404 applications. We don't save / restore DSP registers and only do
408 bool "Support DSP for userspace apps"
413 DSP extension presence in HW, support save / restore DSP registers to
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/openbmc/linux/drivers/remoteproc/
H A 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
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/openbmc/u-boot/board/freescale/bsc9132qds/
H A DREADME6 The BSC9132 device combines Power Architecture e500 and DSP StarCore SC3850
17 - Two StarCore SC3850 DSP subsystems, each with a 512-Kbyte private L2
109 0xA000_0000 0xA7FF_FFFF DSP core1 L2 space 128M
110 0xB000_0000 0xB0FF_FFFF DSP core0 M2 space 16M
111 0xB100_0000 0xB1FF_FFFF DSP core1 M2 space 16M
118 0xFEE0_0000 0xFEE0_0FFF DSP Boot ROM 4K
119 0xFF60_0000 0xFF6F_FFFF DSP CCSR 1M
/openbmc/linux/Documentation/devicetree/bindings/arm/omap/
H A Ddsp.txt1 * TI - DSP (Digital Signal Processor)
3 TI DSP included in OMAP SoC
/openbmc/linux/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.
/openbmc/linux/sound/soc/sof/
H A DKconfig6 generic open source audio DSP firmware for multiple devices.
177 if you are trying to debug IPC with the DSP firmware.
196 memory -> DSP resource (memory, register, etc)
197 before the audio DSP is suspended. This will increase the suspend
216 which can be used to flood the DSP with test IPCs and gather stats
235 crafted IPC messages to the DSP to test its robustness.
246 DSP messages.
251 bool "SOF retain DSP context on any FW exceptions"
253 This option keeps the DSP in D0 state so that firmware debug
255 Say Y if you want to retain DSP context for FW exceptions.
/openbmc/openbmc/poky/meta/recipes-multimedia/speex/
H A Dspeexdsp_1.2.1.bb1 SUMMARY = "A patent-free DSP library"
2 DESCRIPTION = "SpeexDSP is a patent-free, Open Source/Free Software DSP library."
/openbmc/openbmc/poky/meta/conf/machine/include/arm/
H A Darch-armv5-dsp.inc3 TUNEVALID[dsp] = "ARM DSP functionality"
16 # Little Endian + VFP/DSP
40 # Big Endian + VFP/DSP
/openbmc/linux/sound/soc/sof/mediatek/
H A DKconfig26 tristate "SOF support for MT8186 audio DSP"
36 tristate "SOF support for MT8195 audio DSP"

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