October 2023 - Alsa-devel - mailman.alsa-project.org

[PATCH] dt-bindings: Drop kernel copy of common reserved-memory bindings
by Rob Herring 24 Oct '23

24 Oct '23

The common reserved-memory bindings have recently been copied from the kernel tree into dtschema. The preference is to host common, stable bindings in dtschema. As reserved-memory is documented in the DT Spec, it meets the criteria. The v2023.09 version of dtschema is what contains the reserved-memory schemas we depend on, so bump the minimum version to that. Otherwise, references to these schemas will generate errors. Signed-off-by: Rob Herring <robh(a)kernel.org> --- Documentation/devicetree/bindings/Makefile | 2 +- .../remoteproc/renesas,rcar-rproc.yaml | 2 +- .../bindings/reserved-memory/framebuffer.yaml | 52 ----- .../reserved-memory/memory-region.yaml | 40 ---- .../reserved-memory/reserved-memory.txt | 2 +- .../reserved-memory/reserved-memory.yaml | 181 ------------------ .../reserved-memory/shared-dma-pool.yaml | 97 ---------- .../bindings/sound/mediatek,mt8188-afe.yaml | 2 +- 8 files changed, 4 insertions(+), 374 deletions(-) delete mode 100644 Documentation/devicetree/bindings/reserved-memory/framebuffer.yaml delete mode 100644 Documentation/devicetree/bindings/reserved-memory/memory-region.yaml delete mode 100644 Documentation/devicetree/bindings/reserved-memory/reserved-memory.yaml delete mode 100644 Documentation/devicetree/bindings/reserved-memory/shared-dma-pool.yaml diff --git a/Documentation/devicetree/bindings/Makefile b/Documentation/devicetree/bindings/Makefile index 8b395893bd85..3e886194b043 100644 --- a/Documentation/devicetree/bindings/Makefile +++ b/Documentation/devicetree/bindings/Makefile @@ -6,7 +6,7 @@ DT_MK_SCHEMA ?= dt-mk-schema DT_SCHEMA_LINT = $(shell which yamllint || \ echo "warning: python package 'yamllint' not installed, skipping" >&2) -DT_SCHEMA_MIN_VERSION = 2022.3 +DT_SCHEMA_MIN_VERSION = 2023.9 PHONY += check_dtschema_version check_dtschema_version: diff --git a/Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml index 4bea679a0f61..5c280117dc93 100644 --- a/Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml +++ b/Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml @@ -31,7 +31,7 @@ properties: remoteproc device. This is variable and describes the memories shared with the remote processor (e.g. remoteproc firmware and carveouts, rpmsg vrings, ...). - (see ../reserved-memory/reserved-memory.yaml) + (see reserved-memory/reserved-memory.yaml in dtschema project) required: - compatible diff --git a/Documentation/devicetree/bindings/reserved-memory/framebuffer.yaml b/Documentation/devicetree/bindings/reserved-memory/framebuffer.yaml deleted file mode 100644 index 851ec24d6142..000000000000 --- a/Documentation/devicetree/bindings/reserved-memory/framebuffer.yaml +++ /dev/null @@ -1,52 +0,0 @@ -# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) -%YAML 1.2 ---- -$id: http://devicetree.org/schemas/reserved-memory/framebuffer.yaml# -$schema: http://devicetree.org/meta-schemas/core.yaml# - -title: /reserved-memory framebuffer node - -maintainers: - - devicetree-spec(a)vger.kernel.org - -allOf: - - $ref: reserved-memory.yaml - -properties: - compatible: - const: framebuffer - description: > - This indicates a region of memory meant to be used as a framebuffer for - a set of display devices. It can be used by an operating system to keep - the framebuffer from being overwritten and use it as the backing memory - for a display device (such as simple-framebuffer). - -unevaluatedProperties: false - -examples: - - | - / { - compatible = "foo"; - model = "foo"; - #address-cells = <1>; - #size-cells = <1>; - - chosen { - framebuffer { - compatible = "simple-framebuffer"; - memory-region = <&fb>; - }; - }; - - reserved-memory { - #address-cells = <1>; - #size-cells = <1>; - ranges; - - fb: framebuffer@80000000 { - compatible = "framebuffer"; - reg = <0x80000000 0x007e9000>; - }; - }; - }; -... diff --git a/Documentation/devicetree/bindings/reserved-memory/memory-region.yaml b/Documentation/devicetree/bindings/reserved-memory/memory-region.yaml deleted file mode 100644 index 592f180e6b0d..000000000000 --- a/Documentation/devicetree/bindings/reserved-memory/memory-region.yaml +++ /dev/null @@ -1,40 +0,0 @@ -# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) -%YAML 1.2 ---- -$id: http://devicetree.org/schemas/reserved-memory/memory-region.yaml# -$schema: http://devicetree.org/meta-schemas/core.yaml# - -title: Reserved Memory Region - -maintainers: - - devicetree-spec(a)vger.kernel.org - -description: | - Regions in the /reserved-memory node may be referenced by other device - nodes by adding a memory-region property to the device node. - -select: true - -properties: - memory-region: - $ref: /schemas/types.yaml#/definitions/phandle-array - description: > - Phandle to a /reserved-memory child node assigned to the device. - - memory-region-names: - $ref: /schemas/types.yaml#/definitions/string-array - description: > - A list of names, one for each corresponding entry in the - memory-region property - -additionalProperties: true - -examples: - - | - fb0: video@12300000 { - /* ... */ - reg = <0x12300000 0x1000>; - memory-region = <&display_reserved>; - }; - -... diff --git a/Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt b/Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt index 1810701a8509..8ce72996d500 100644 --- a/Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt +++ b/Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt @@ -1 +1 @@ -This file has been moved to reserved-memory.yaml. +This file has been moved to reserved-memory.yaml in the dtschema repository. diff --git a/Documentation/devicetree/bindings/reserved-memory/reserved-memory.yaml b/Documentation/devicetree/bindings/reserved-memory/reserved-memory.yaml deleted file mode 100644 index c680e397cfd2..000000000000 --- a/Documentation/devicetree/bindings/reserved-memory/reserved-memory.yaml +++ /dev/null @@ -1,181 +0,0 @@ -# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) -%YAML 1.2 ---- -$id: http://devicetree.org/schemas/reserved-memory/reserved-memory.yaml# -$schema: http://devicetree.org/meta-schemas/core.yaml# - -title: /reserved-memory Child Node Common - -maintainers: - - devicetree-spec(a)vger.kernel.org - -description: > - Reserved memory is specified as a node under the /reserved-memory node. The - operating system shall exclude reserved memory from normal usage one can - create child nodes describing particular reserved (excluded from normal use) - memory regions. Such memory regions are usually designed for the special - usage by various device drivers. - - Each child of the reserved-memory node specifies one or more regions - of reserved memory. Each child node may either use a 'reg' property to - specify a specific range of reserved memory, or a 'size' property with - optional constraints to request a dynamically allocated block of - memory. - - Following the generic-names recommended practice, node names should - reflect the purpose of the node (ie. "framebuffer" or "dma-pool"). - Unit address (@<address>) should be appended to the name if the node - is a static allocation. - -properties: - reg: true - - size: - oneOf: - - $ref: /schemas/types.yaml#/definitions/uint32 - - $ref: /schemas/types.yaml#/definitions/uint64 - description: > - Length based on parent's \#size-cells. Size in bytes of memory to - reserve. - - alignment: - oneOf: - - $ref: /schemas/types.yaml#/definitions/uint32 - - $ref: /schemas/types.yaml#/definitions/uint64 - description: > - Length based on parent's \#size-cells. Address boundary for - alignment of allocation. - - alloc-ranges: - $ref: /schemas/types.yaml#/definitions/uint32-array - description: > - Address and Length pairs. Specifies regions of memory that are - acceptable to allocate from. - - iommu-addresses: - $ref: /schemas/types.yaml#/definitions/phandle-array - description: > - A list of phandle and specifier pairs that describe static IO virtual - address space mappings and carveouts associated with a given reserved - memory region. The phandle in the first cell refers to the device for - which the mapping or carveout is to be created. - - The specifier consists of an address/size pair and denotes the IO - virtual address range of the region for the given device. The exact - format depends on the values of the "#address-cells" and "#size-cells" - properties of the device referenced via the phandle. - - When used in combination with a "reg" property, an IOVA mapping is to - be established for this memory region. One example where this can be - useful is to create an identity mapping for physical memory that the - firmware has configured some hardware to access (such as a bootsplash - framebuffer). - - If no "reg" property is specified, the "iommu-addresses" property - defines carveout regions in the IOVA space for the given device. This - can be useful if a certain memory region should not be mapped through - the IOMMU. - - no-map: - type: boolean - description: > - Indicates the operating system must not create a virtual mapping - of the region as part of its standard mapping of system memory, - nor permit speculative access to it under any circumstances other - than under the control of the device driver using the region. - - reusable: - type: boolean - description: > - The operating system can use the memory in this region with the - limitation that the device driver(s) owning the region need to be - able to reclaim it back. Typically that means that the operating - system can use that region to store volatile or cached data that - can be otherwise regenerated or migrated elsewhere. - -allOf: - - if: - required: - - no-map - - then: - not: - required: - - reusable - - - if: - required: - - reusable - - then: - not: - required: - - no-map - -oneOf: - - oneOf: - - required: - - reg - - - required: - - size - - - oneOf: - # IOMMU reservations - - required: - - iommu-addresses - - # IOMMU mappings - - required: - - reg - - iommu-addresses - -additionalProperties: true - -examples: - - | - / { - compatible = "foo"; - model = "foo"; - - #address-cells = <2>; - #size-cells = <2>; - - reserved-memory { - #address-cells = <2>; - #size-cells = <2>; - ranges; - - adsp_resv: reservation-adsp { - /* - * Restrict IOVA mappings for ADSP buffers to the 512 MiB region - * from 0x40000000 - 0x5fffffff. Anything outside is reserved by - * the ADSP for I/O memory and private memory allocations. - */ - iommu-addresses = <&adsp 0x0 0x00000000 0x00 0x40000000>, - <&adsp 0x0 0x60000000 0xff 0xa0000000>; - }; - - fb: framebuffer@90000000 { - reg = <0x0 0x90000000 0x0 0x00800000>; - iommu-addresses = <&dc0 0x0 0x90000000 0x0 0x00800000>; - }; - }; - - bus@0 { - #address-cells = <1>; - #size-cells = <1>; - ranges = <0x0 0x0 0x0 0x40000000>; - - adsp: adsp@2990000 { - reg = <0x2990000 0x2000>; - memory-region = <&adsp_resv>; - }; - - dc0: display@15200000 { - reg = <0x15200000 0x10000>; - memory-region = <&fb>; - }; - }; - }; -... diff --git a/Documentation/devicetree/bindings/reserved-memory/shared-dma-pool.yaml b/Documentation/devicetree/bindings/reserved-memory/shared-dma-pool.yaml deleted file mode 100644 index 457de0920cd1..000000000000 --- a/Documentation/devicetree/bindings/reserved-memory/shared-dma-pool.yaml +++ /dev/null @@ -1,97 +0,0 @@ -# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) -%YAML 1.2 ---- -$id: http://devicetree.org/schemas/reserved-memory/shared-dma-pool.yaml# -$schema: http://devicetree.org/meta-schemas/core.yaml# - -title: /reserved-memory DMA pool - -maintainers: - - devicetree-spec(a)vger.kernel.org - -allOf: - - $ref: reserved-memory.yaml - -properties: - compatible: - oneOf: - - const: shared-dma-pool - description: > - This indicates a region of memory meant to be used as a shared - pool of DMA buffers for a set of devices. It can be used by an - operating system to instantiate the necessary pool management - subsystem if necessary. - - - const: restricted-dma-pool - description: > - This indicates a region of memory meant to be used as a pool - of restricted DMA buffers for a set of devices. The memory - region would be the only region accessible to those devices. - When using this, the no-map and reusable properties must not - be set, so the operating system can create a virtual mapping - that will be used for synchronization. The main purpose for - restricted DMA is to mitigate the lack of DMA access control - on systems without an IOMMU, which could result in the DMA - accessing the system memory at unexpected times and/or - unexpected addresses, possibly leading to data leakage or - corruption. The feature on its own provides a basic level of - protection against the DMA overwriting buffer contents at - unexpected times. However, to protect against general data - leakage and system memory corruption, the system needs to - provide way to lock down the memory access, e.g., MPU. Note - that since coherent allocation needs remapping, one must set - up another device coherent pool by shared-dma-pool and use - dma_alloc_from_dev_coherent instead for atomic coherent - allocation. - - linux,cma-default: - type: boolean - description: > - If this property is present, then Linux will use the region for - the default pool of the contiguous memory allocator. - - linux,dma-default: - type: boolean - description: > - If this property is present, then Linux will use the region for - the default pool of the consistent DMA allocator. - -if: - properties: - compatible: - contains: - const: restricted-dma-pool -then: - properties: - no-map: false - reusable: false - -unevaluatedProperties: false - -examples: - - | - reserved-memory { - #address-cells = <1>; - #size-cells = <1>; - ranges; - - /* global autoconfigured region for contiguous allocations */ - linux,cma { - compatible = "shared-dma-pool"; - reusable; - size = <0x4000000>; - alignment = <0x2000>; - linux,cma-default; - }; - - display_reserved: framebuffer@78000000 { - reg = <0x78000000 0x800000>; - }; - - restricted_dma_reserved: restricted-dma-pool@50000000 { - compatible = "restricted-dma-pool"; - reg = <0x50000000 0x4000000>; - }; - }; - -... diff --git a/Documentation/devicetree/bindings/sound/mediatek,mt8188-afe.yaml b/Documentation/devicetree/bindings/sound/mediatek,mt8188-afe.yaml index 90520f89208b..77af276ed2a2 100644 --- a/Documentation/devicetree/bindings/sound/mediatek,mt8188-afe.yaml +++ b/Documentation/devicetree/bindings/sound/mediatek,mt8188-afe.yaml @@ -29,7 +29,7 @@ properties: maxItems: 1 description: | Shared memory region for AFE memif. A "shared-dma-pool". - See ../reserved-memory/reserved-memory.yaml for details. + See dtschema reserved-memory/shared-dma-pool.yaml for details. mediatek,topckgen: $ref: /schemas/types.yaml#/definitions/phandle -- 2.42.0

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[PATCH 1/5] ASoC: amd: Add acpi machine id for acp6.3 version based platform
by Vijendar Mukunda 24 Oct '23

24 Oct '23

Add acpi machine id for ACP6.3 version based platform and configure driver data to enable SOF sound card support on newer boards. Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda(a)amd.com> --- sound/soc/amd/acp-config.c | 12 ++++++++++++ sound/soc/amd/mach-config.h | 1 + 2 files changed, 13 insertions(+) diff --git a/sound/soc/amd/acp-config.c b/sound/soc/amd/acp-config.c index a58d646d28f6..20cee7104c2b 100644 --- a/sound/soc/amd/acp-config.c +++ b/sound/soc/amd/acp-config.c @@ -263,4 +263,16 @@ struct snd_soc_acpi_mach snd_soc_acpi_amd_rmb_sof_machines[] = { }; EXPORT_SYMBOL(snd_soc_acpi_amd_rmb_sof_machines); +struct snd_soc_acpi_mach snd_soc_acpi_amd_acp63_sof_machines[] = { + { + .id = "AMDI1019", + .drv_name = "acp63-dsp", + .pdata = &acp_quirk_data, + .fw_filename = "sof-acp_6_3.ri", + .sof_tplg_filename = "sof-acp_6_3.tplg", + }, + {}, +}; +EXPORT_SYMBOL(snd_soc_acpi_amd_acp63_sof_machines); + MODULE_LICENSE("Dual BSD/GPL"); diff --git a/sound/soc/amd/mach-config.h b/sound/soc/amd/mach-config.h index d392e6d6e6e1..ce5d77639086 100644 --- a/sound/soc/amd/mach-config.h +++ b/sound/soc/amd/mach-config.h @@ -21,6 +21,7 @@ extern struct snd_soc_acpi_mach snd_soc_acpi_amd_sof_machines[]; extern struct snd_soc_acpi_mach snd_soc_acpi_amd_rmb_sof_machines[]; extern struct snd_soc_acpi_mach snd_soc_acpi_amd_vangogh_sof_machines[]; +extern struct snd_soc_acpi_mach snd_soc_acpi_amd_acp63_sof_machines[]; struct config_entry { u32 flags; -- 2.34.1

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[PATCH v1] ALSA: SOF: sof-pci-dev: Fix community key quirk detection
by Mark Hasemeyer 24 Oct '23

24 Oct '23

Some Chromebooks do not populate the product family DMI value resulting in firmware load failures. Add another quirk detection entry that looks for "Google" in the BIOS version. Theoretically, PRODUCT_FAMILY could be replaced with BIOS_VERSION, but it is left as a quirk to be conservative. Cc: stable(a)vger.kernel.org Signed-off-by: Mark Hasemeyer <markhas(a)chromium.org> --- sound/soc/sof/sof-pci-dev.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/sound/soc/sof/sof-pci-dev.c b/sound/soc/sof/sof-pci-dev.c index 1d706490588e..64b326e3ef85 100644 --- a/sound/soc/sof/sof-pci-dev.c +++ b/sound/soc/sof/sof-pci-dev.c @@ -145,6 +145,13 @@ static const struct dmi_system_id community_key_platforms[] = { DMI_MATCH(DMI_PRODUCT_FAMILY, "Google"), } }, + { + .ident = "Google firmware", + .callback = chromebook_use_community_key, + .matches = { + DMI_MATCH(DMI_BIOS_VERSION, "Google"), + } + }, {}, }; -- 2.42.0.655.g421f12c284-goog

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[PATCH] ASoC: es8328: Use rounded rate for es8328_set_sysclk()
by Chris Morgan 24 Oct '23

24 Oct '23

From: Chris Morgan <macromorgan(a)hotmail.com> I have a board (RK3588 based) that sets the sysclk to 12287999. The es8328 driver fails to match this to the 12288000 rate and fails to load. Allow the rate comparison to work if the frequency is within 100hz by dividing it by 100 and rounding it, then multiplying it back by 100. Note the 100hz value was chosen arbitrarily by me, but it has only been tested with a 1hz difference. Signed-off-by: Chris Morgan <macromorgan(a)hotmail.com> --- sound/soc/codecs/es8328.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/sound/soc/codecs/es8328.c b/sound/soc/codecs/es8328.c index 0bd9ba5a11b4..22e7a9312732 100644 --- a/sound/soc/codecs/es8328.c +++ b/sound/soc/codecs/es8328.c @@ -557,8 +557,15 @@ static int es8328_set_sysclk(struct snd_soc_dai *codec_dai, struct snd_soc_component *component = codec_dai->component; struct es8328_priv *es8328 = snd_soc_component_get_drvdata(component); int mclkdiv2 = 0; + unsigned int round_freq; - switch (freq) { + /* + * Allow a small tolerance for frequencies within 100hz. Note + * this value is chosen arbitrarily. + */ + round_freq = DIV_ROUND_CLOSEST(freq, 100) * 100; + + switch (round_freq) { case 0: es8328->sysclk_constraints = NULL; es8328->mclk_ratios = NULL; -- 2.34.1

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[PATCH v2] ASoC: fsl: Fix PM disable depth imbalance in fsl_easrc_probe
by Zhang Shurong 24 Oct '23

24 Oct '23

The pm_runtime_enable will increase power disable depth. Thus a pairing decrement is needed on the error handling path to keep it balanced according to context. We fix it by calling pm_runtime_disable when error returns. Fixes: 955ac624058f ("ASoC: fsl_easrc: Add EASRC ASoC CPU DAI drivers") Signed-off-by: Zhang Shurong <zhang_shurong(a)foxmail.com> --- v1->v2: add Fixes tag sound/soc/fsl/fsl_easrc.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/sound/soc/fsl/fsl_easrc.c b/sound/soc/fsl/fsl_easrc.c index ba62995c909a..ec53bda46a46 100644 --- a/sound/soc/fsl/fsl_easrc.c +++ b/sound/soc/fsl/fsl_easrc.c @@ -1966,17 +1966,21 @@ static int fsl_easrc_probe(struct platform_device *pdev) &fsl_easrc_dai, 1); if (ret) { dev_err(dev, "failed to register ASoC DAI\n"); - return ret; + goto err_pm_disable; } ret = devm_snd_soc_register_component(dev, &fsl_asrc_component, NULL, 0); if (ret) { dev_err(&pdev->dev, "failed to register ASoC platform\n"); - return ret; + goto err_pm_disable; } return 0; + +err_pm_disable: + pm_runtime_disable(&pdev->dev); + return ret; } static void fsl_easrc_remove(struct platform_device *pdev) -- 2.30.2

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[PATCH 0/7] ASoc: Another series to convert to struct platform_driver:remove_new()
by Uwe Kleine-König 24 Oct '23

24 Oct '23

Hello, this is another series to convert ASoC drivers to use struct platform_driver:remove_new(). The rockchip one was already send before but with a wrong subject prefix, the cs42l43 driver is newer than the last series. The remaining five patches are for driver combos that my coccinelle patch failed to detect before. Best regards Uwe Uwe Kleine-König (7): ASoC: rockchip: i2s_tdm: Convert to platform remove callback returning void ASoC: cs42l43: Convert to platform remove callback returning void ASoC: starfive/jh7110-pwmdac: Convert to platform remove callback returning void ASoC: simple-card-utils: Make simple_util_remove() return void ASoC: meson: Make meson_card_remove() return void ASoC: qcom: lpass: Make asoc_qcom_lpass_cpu_platform_remove() return void ASoC: uniphier: Make uniphier_aio_remove() return void include/sound/simple_card_utils.h | 2 +- sound/soc/codecs/cs42l43.c | 6 ++---- sound/soc/generic/audio-graph-card.c | 2 +- sound/soc/generic/audio-graph-card2-custom-sample.c | 2 +- sound/soc/generic/audio-graph-card2.c | 2 +- sound/soc/generic/simple-card-utils.c | 4 +--- sound/soc/generic/simple-card.c | 2 +- sound/soc/meson/axg-card.c | 2 +- sound/soc/meson/gx-card.c | 2 +- sound/soc/meson/meson-card-utils.c | 4 +--- sound/soc/meson/meson-card.h | 2 +- sound/soc/qcom/lpass-apq8016.c | 2 +- sound/soc/qcom/lpass-cpu.c | 5 +---- sound/soc/qcom/lpass-ipq806x.c | 2 +- sound/soc/qcom/lpass-sc7180.c | 2 +- sound/soc/qcom/lpass-sc7280.c | 2 +- sound/soc/qcom/lpass.h | 2 +- sound/soc/rockchip/rockchip_i2s_tdm.c | 6 ++---- sound/soc/starfive/jh7110_pwmdac.c | 5 ++--- sound/soc/tegra/tegra_audio_graph_card.c | 2 +- sound/soc/uniphier/aio-cpu.c | 4 +--- sound/soc/uniphier/aio-ld11.c | 2 +- sound/soc/uniphier/aio-pxs2.c | 2 +- sound/soc/uniphier/aio.h | 2 +- 24 files changed, 27 insertions(+), 41 deletions(-) base-commit: e3b18f7200f45d66f7141136c25554ac1e82009b -- 2.42.0

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[PATCH v3] ALSA: virtio: use ack callback
by Matias Ezequiel Vara Larsen 24 Oct '23

24 Oct '23

This commit uses the ack() callback to determine when a buffer has been updated, then exposes it to guest. The current mechanism splits a dma buffer into descriptors that are exposed to the device. This dma buffer is shared with the user application. When the device consumes a buffer, the driver moves the request from the used ring to available ring. The driver exposes the buffer to the device without knowing if the content has been updated from the user. The section 2.8.21.1 of the virtio spec states that: "The device MAY access the descriptor chains the driver created and the memory they refer to immediately". If the device picks up buffers from the available ring just after it is notified, it happens that the content may be old. When the ack() callback is invoked, the driver exposes only the buffers that have already been updated, i.e., enqueued in the available ring. Thus, the device always picks up a buffer that is updated. For capturing, the driver starts by exposing all the available buffers to device. After device updates the content of a buffer, it enqueues it in the used ring. It is only after the ack() for capturing is issued that the driver re-enqueues the buffer in the available ring. Co-developed-by: Anton Yakovlev <anton.yakovlev(a)opensynergy.com> Signed-off-by: Anton Yakovlev <anton.yakovlev(a)opensynergy.com> Signed-off-by: Matias Ezequiel Vara Larsen <mvaralar(a)redhat.com> --- Changelog: v2 -> v3: * Use ack() callback instead of copy()/fill_silence() * Change commit name * Rewrite commit message * Remove virtsnd_pcm_msg_send_locked() * Use single callback for both capture and playback * Fix kernel test robot warnings regarding documentation * v2 patch at: https://lore.kernel.org/lkml/87y1fzkq8c.wl-tiwai@suse.de/T/ v1 -> v2: * Use snd_pcm_set_managed_buffer_all()for buffer allocation/freeing. * Make virtsnd_pcm_msg_send() generic by specifying the offset and size for the modified part of the buffer; this way no assumptions need to be made. * Disable SNDRV_PCM_INFO_NO_REWINDS since now only sequential reading/writing of frames is supported. * Correct comment at virtsnd_pcm_msg_send(). * v1 patch at: https://lore.kernel.org/lkml/20231016151000.GE119987@fedora/t/ sound/virtio/virtio_pcm.c | 1 + sound/virtio/virtio_pcm.h | 6 ++- sound/virtio/virtio_pcm_msg.c | 80 ++++++++++++++++++++--------------- sound/virtio/virtio_pcm_ops.c | 30 +++++++++++-- 4 files changed, 79 insertions(+), 38 deletions(-) diff --git a/sound/virtio/virtio_pcm.c b/sound/virtio/virtio_pcm.c index c10d91fff2fb..9cc5a95b4913 100644 --- a/sound/virtio/virtio_pcm.c +++ b/sound/virtio/virtio_pcm.c @@ -124,6 +124,7 @@ static int virtsnd_pcm_build_hw(struct virtio_pcm_substream *vss, values = le64_to_cpu(info->formats); vss->hw.formats = 0; + vss->appl_ptr = 0; for (i = 0; i < ARRAY_SIZE(g_v2a_format_map); ++i) if (values & (1ULL << i)) { diff --git a/sound/virtio/virtio_pcm.h b/sound/virtio/virtio_pcm.h index 062eb8e8f2cf..ea3c2845ae9b 100644 --- a/sound/virtio/virtio_pcm.h +++ b/sound/virtio/virtio_pcm.h @@ -27,6 +27,7 @@ struct virtio_pcm_msg; * substream operators. * @buffer_bytes: Current buffer size in bytes. * @hw_ptr: Substream hardware pointer value in bytes [0 ... buffer_bytes). + * @appl_ptr: Substream application pointer value in bytes [0 ... buffer_bytes). * @xfer_enabled: Data transfer state (0 - off, 1 - on). * @xfer_xrun: Data underflow/overflow state (0 - no xrun, 1 - xrun). * @stopped: True if the substream is stopped and must be released on the device @@ -51,13 +52,13 @@ struct virtio_pcm_substream { spinlock_t lock; size_t buffer_bytes; size_t hw_ptr; + size_t appl_ptr; bool xfer_enabled; bool xfer_xrun; bool stopped; bool suspended; struct virtio_pcm_msg **msgs; unsigned int nmsgs; - int msg_last_enqueued; unsigned int msg_count; wait_queue_head_t msg_empty; }; @@ -117,7 +118,8 @@ int virtsnd_pcm_msg_alloc(struct virtio_pcm_substream *vss, void virtsnd_pcm_msg_free(struct virtio_pcm_substream *vss); -int virtsnd_pcm_msg_send(struct virtio_pcm_substream *vss); +int virtsnd_pcm_msg_send(struct virtio_pcm_substream *vss, unsigned long offset, + unsigned long bytes); unsigned int virtsnd_pcm_msg_pending_num(struct virtio_pcm_substream *vss); diff --git a/sound/virtio/virtio_pcm_msg.c b/sound/virtio/virtio_pcm_msg.c index aca2dc1989ba..106e8e847746 100644 --- a/sound/virtio/virtio_pcm_msg.c +++ b/sound/virtio/virtio_pcm_msg.c @@ -155,7 +155,6 @@ int virtsnd_pcm_msg_alloc(struct virtio_pcm_substream *vss, sizeof(msg->xfer)); sg_init_one(&msg->sgs[PCM_MSG_SG_STATUS], &msg->status, sizeof(msg->status)); - msg->length = period_bytes; virtsnd_pcm_sg_from(&msg->sgs[PCM_MSG_SG_DATA], sg_num, data, period_bytes); @@ -181,66 +180,81 @@ void virtsnd_pcm_msg_free(struct virtio_pcm_substream *vss) vss->msgs = NULL; vss->nmsgs = 0; + vss->appl_ptr = 0; } /** * virtsnd_pcm_msg_send() - Send asynchronous I/O messages. * @vss: VirtIO PCM substream. + * @offset: starting position that has been updated + * @bytes: number of bytes that has been updated * * All messages are organized in an ordered circular list. Each time the * function is called, all currently non-enqueued messages are added to the - * virtqueue. For this, the function keeps track of two values: - * - * msg_last_enqueued = index of the last enqueued message, - * msg_count = # of pending messages in the virtqueue. + * virtqueue. For this, the function uses offset and bytes to calculate the + * messages that need to be added. * * Context: Any context. Expects the tx/rx queue and the VirtIO substream * spinlocks to be held by caller. * Return: 0 on success, -errno on failure. */ -int virtsnd_pcm_msg_send(struct virtio_pcm_substream *vss) +int virtsnd_pcm_msg_send(struct virtio_pcm_substream *vss, unsigned long offset, + unsigned long bytes) { - struct snd_pcm_runtime *runtime = vss->substream->runtime; struct virtio_snd *snd = vss->snd; struct virtio_device *vdev = snd->vdev; struct virtqueue *vqueue = virtsnd_pcm_queue(vss)->vqueue; - int i; - int n; + unsigned long period_bytes = snd_pcm_lib_period_bytes(vss->substream); + unsigned long start, end, i; + unsigned int msg_count = vss->msg_count; bool notify = false; + int rc; - i = (vss->msg_last_enqueued + 1) % runtime->periods; - n = runtime->periods - vss->msg_count; + start = offset / period_bytes; + end = (offset + bytes - 1) / period_bytes; - for (; n; --n, i = (i + 1) % runtime->periods) { + for (i = start; i <= end; i++) { struct virtio_pcm_msg *msg = vss->msgs[i]; struct scatterlist *psgs[] = { &msg->sgs[PCM_MSG_SG_XFER], &msg->sgs[PCM_MSG_SG_DATA], &msg->sgs[PCM_MSG_SG_STATUS] }; - int rc; - - msg->xfer.stream_id = cpu_to_le32(vss->sid); - memset(&msg->status, 0, sizeof(msg->status)); - - if (vss->direction == SNDRV_PCM_STREAM_PLAYBACK) - rc = virtqueue_add_sgs(vqueue, psgs, 2, 1, msg, - GFP_ATOMIC); - else - rc = virtqueue_add_sgs(vqueue, psgs, 1, 2, msg, - GFP_ATOMIC); - - if (rc) { - dev_err(&vdev->dev, - "SID %u: failed to send I/O message\n", - vss->sid); - return rc; + unsigned long n; + + n = period_bytes - (offset % period_bytes); + if (n > bytes) + n = bytes; + + msg->length += n; + if (msg->length == period_bytes) { + msg->xfer.stream_id = cpu_to_le32(vss->sid); + memset(&msg->status, 0, sizeof(msg->status)); + + if (vss->direction == SNDRV_PCM_STREAM_PLAYBACK) + rc = virtqueue_add_sgs(vqueue, psgs, 2, 1, msg, + GFP_ATOMIC); + else + rc = virtqueue_add_sgs(vqueue, psgs, 1, 2, msg, + GFP_ATOMIC); + + if (rc) { + dev_err(&vdev->dev, + "SID %u: failed to send I/O message\n", + vss->sid); + return rc; + } + + vss->msg_count++; } - vss->msg_last_enqueued = i; - vss->msg_count++; + offset = 0; + bytes -= n; } + if (msg_count == vss->msg_count) + return 0; + if (!(vss->features & (1U << VIRTIO_SND_PCM_F_MSG_POLLING))) notify = virtqueue_kick_prepare(vqueue); @@ -309,6 +323,8 @@ static void virtsnd_pcm_msg_complete(struct virtio_pcm_msg *msg, if (vss->hw_ptr >= vss->buffer_bytes) vss->hw_ptr -= vss->buffer_bytes; + msg->length = 0; + vss->xfer_xrun = false; vss->msg_count--; @@ -320,8 +336,6 @@ static void virtsnd_pcm_msg_complete(struct virtio_pcm_msg *msg, le32_to_cpu(msg->status.latency_bytes)); schedule_work(&vss->elapsed_period); - - virtsnd_pcm_msg_send(vss); } else if (!vss->msg_count) { wake_up_all(&vss->msg_empty); } diff --git a/sound/virtio/virtio_pcm_ops.c b/sound/virtio/virtio_pcm_ops.c index f8bfb87624be..21cde37ecfa3 100644 --- a/sound/virtio/virtio_pcm_ops.c +++ b/sound/virtio/virtio_pcm_ops.c @@ -282,7 +282,6 @@ static int virtsnd_pcm_prepare(struct snd_pcm_substream *substream) vss->buffer_bytes = snd_pcm_lib_buffer_bytes(substream); vss->hw_ptr = 0; - vss->msg_last_enqueued = -1; } else { struct snd_pcm_runtime *runtime = substream->runtime; unsigned int buffer_bytes = snd_pcm_lib_buffer_bytes(substream); @@ -324,7 +323,7 @@ static int virtsnd_pcm_trigger(struct snd_pcm_substream *substream, int command) struct virtio_snd_queue *queue; struct virtio_snd_msg *msg; unsigned long flags; - int rc; + int rc = 0; switch (command) { case SNDRV_PCM_TRIGGER_START: @@ -333,7 +332,8 @@ static int virtsnd_pcm_trigger(struct snd_pcm_substream *substream, int command) spin_lock_irqsave(&queue->lock, flags); spin_lock(&vss->lock); - rc = virtsnd_pcm_msg_send(vss); + if (vss->direction == SNDRV_PCM_STREAM_CAPTURE) + rc = virtsnd_pcm_msg_send(vss, 0, vss->buffer_bytes); if (!rc) vss->xfer_enabled = true; spin_unlock(&vss->lock); @@ -450,6 +450,29 @@ virtsnd_pcm_pointer(struct snd_pcm_substream *substream) return hw_ptr; } +static int virtsnd_pcm_ack(struct snd_pcm_substream *substream) +{ + struct virtio_pcm_substream *vss = snd_pcm_substream_chip(substream); + struct virtio_snd_queue *queue = virtsnd_pcm_queue(vss); + unsigned long flags; + struct snd_pcm_runtime *runtime = vss->substream->runtime; + ssize_t appl_pos = frames_to_bytes(runtime, runtime->control->appl_ptr); + ssize_t buf_size = frames_to_bytes(runtime, runtime->buffer_size); + int rc; + + spin_lock_irqsave(&queue->lock, flags); + spin_lock(&vss->lock); + + ssize_t bytes = (appl_pos - vss->appl_ptr) % buf_size; + + rc = virtsnd_pcm_msg_send(vss, vss->appl_ptr % buf_size, bytes); + vss->appl_ptr += bytes; + + spin_unlock(&vss->lock); + spin_unlock_irqrestore(&queue->lock, flags); + return rc; +} + /* PCM substream operators map. */ const struct snd_pcm_ops virtsnd_pcm_ops = { .open = virtsnd_pcm_open, @@ -461,4 +484,5 @@ const struct snd_pcm_ops virtsnd_pcm_ops = { .trigger = virtsnd_pcm_trigger, .sync_stop = virtsnd_pcm_sync_stop, .pointer = virtsnd_pcm_pointer, + .ack = virtsnd_pcm_ack, }; base-commit: 8a749fd1a8720d4619c91c8b6e7528c0a355c0aa -- 2.41.0

3 5

[PATCH 1/2] ASoC: dt-bindings: nau8821: Add DMIC slew rate selection
by Seven Lee 24 Oct '23

24 Oct '23

Add input with DMIC slew rate selection Signed-off-by: Seven Lee <wtli(a)nuvoton.com> --- .../devicetree/bindings/sound/nuvoton,nau8821.yaml | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/nuvoton,nau8821.yaml b/Documentation/devicetree/bindings/sound/nuvoton,nau8821.yaml index 3e54abd4ca74..5f7f2eed4834 100644 --- a/Documentation/devicetree/bindings/sound/nuvoton,nau8821.yaml +++ b/Documentation/devicetree/bindings/sound/nuvoton,nau8821.yaml @@ -89,6 +89,12 @@ properties: $ref: /schemas/types.yaml#/definitions/uint32 default: 3072000 + nuvoton,dmic-slew-rate-selection: + description: number from 0 to 7 that sets DMIC slew rate. + $ref: /schemas/types.yaml#/definitions/uint32 + maximum: 7 + default: 0 + nuvoton,left-input-single-end: description: Enable left input with single-ended settings if set. For the headset mic application, the single-ended control is @@ -127,6 +133,7 @@ examples: nuvoton,jack-insert-debounce = <7>; nuvoton,jack-eject-debounce = <0>; nuvoton,dmic-clk-threshold = <3072000>; + nuvoton,dmic-slew-rate-selection= <0>; #sound-dai-cells = <0>; }; }; -- 2.25.1

3 3

[PATCH v2] ALSA: virtio: use copy and fill_silence callbacks
by Matias Ezequiel Vara Larsen 24 Oct '23

24 Oct '23

This commit replaces the mmap mechanism with the copy() and fill_silence() callbacks for both capturing and playback for the virtio-sound driver. This change is required to prevent the updating of the content of a buffer that is already in the available ring. The current mechanism splits a dma buffer into descriptors that are exposed to the device. This dma buffer is shared with the user application. When the device consumes a buffer, the driver moves the request from the used ring to available ring. The driver exposes the buffer to the device without knowing if the content has been updated from the user. The section 2.8.21.1 of the virtio spec states that: "The device MAY access the descriptor chains the driver created and the memory they refer to immediately". If the device picks up buffers from the available ring just after it is notified, it happens that the content may be old. By providing the copy() callback, the driver first updates the content of the buffer, and then, exposes the buffer to the device by enqueuing it in the available ring. Thus, device always picks up a buffer that is updated. During copy(), the number of requests enqueued depends on the "pos" and "bytes" arguments. The length of each request is period_size bytes. For capturing, the driver starts by exposing all the available buffers to device. After device updates the content of a buffer, it enqueues it in the used ring. It is only after the copy() for capturing is issued that the driver re-enqueues the buffer in the available ring. Co-developed-by: Anton Yakovlev <anton.yakovlev(a)opensynergy.com> Signed-off-by: Matias Ezequiel Vara Larsen <mvaralar(a)redhat.com> --- Changelog: v1 -> v2: * Use snd_pcm_set_managed_buffer_all()for buffer allocation/freeing. * Make virtsnd_pcm_msg_send() generic by specifying the offset and size for the modified part of the buffer; this way no assumptions need to be made. * Disable SNDRV_PCM_INFO_NO_REWINDS since now only sequential reading/writing of frames is supported. * Correct comment at virtsnd_pcm_msg_send(). * v1 patch at: https://lore.kernel.org/lkml/20231016151000.GE119987@fedora/t/ sound/virtio/virtio_pcm.c | 7 ++- sound/virtio/virtio_pcm.h | 9 ++-- sound/virtio/virtio_pcm_msg.c | 93 ++++++++++++++++++++++------------- sound/virtio/virtio_pcm_ops.c | 81 +++++++++++++++++++++++++----- 4 files changed, 137 insertions(+), 53 deletions(-) diff --git a/sound/virtio/virtio_pcm.c b/sound/virtio/virtio_pcm.c index c10d91fff2fb..66d67eef1bcc 100644 --- a/sound/virtio/virtio_pcm.c +++ b/sound/virtio/virtio_pcm.c @@ -104,12 +104,11 @@ static int virtsnd_pcm_build_hw(struct virtio_pcm_substream *vss, * only message-based transport. */ vss->hw.info = - SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_BATCH | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_PAUSE; + SNDRV_PCM_INFO_PAUSE | + SNDRV_PCM_INFO_NO_REWINDS; if (!info->channels_min || info->channels_min > info->channels_max) { dev_err(&vdev->dev, @@ -471,7 +470,7 @@ int virtsnd_pcm_build_devs(struct virtio_snd *snd) for (kss = ks->substream; kss; kss = kss->next) vs->substreams[kss->number]->substream = kss; - snd_pcm_set_ops(vpcm->pcm, i, &virtsnd_pcm_ops); + snd_pcm_set_ops(vpcm->pcm, i, &virtsnd_pcm_ops[i]); } snd_pcm_set_managed_buffer_all(vpcm->pcm, diff --git a/sound/virtio/virtio_pcm.h b/sound/virtio/virtio_pcm.h index 062eb8e8f2cf..8b42928a8e01 100644 --- a/sound/virtio/virtio_pcm.h +++ b/sound/virtio/virtio_pcm.h @@ -57,7 +57,6 @@ struct virtio_pcm_substream { bool suspended; struct virtio_pcm_msg **msgs; unsigned int nmsgs; - int msg_last_enqueued; unsigned int msg_count; wait_queue_head_t msg_empty; }; @@ -90,7 +89,7 @@ struct virtio_pcm { struct virtio_pcm_stream streams[SNDRV_PCM_STREAM_LAST + 1]; }; -extern const struct snd_pcm_ops virtsnd_pcm_ops; +extern const struct snd_pcm_ops virtsnd_pcm_ops[]; int virtsnd_pcm_validate(struct virtio_device *vdev); @@ -117,7 +116,11 @@ int virtsnd_pcm_msg_alloc(struct virtio_pcm_substream *vss, void virtsnd_pcm_msg_free(struct virtio_pcm_substream *vss); -int virtsnd_pcm_msg_send(struct virtio_pcm_substream *vss); +int virtsnd_pcm_msg_send(struct virtio_pcm_substream *vss, unsigned long offset, + unsigned long bytes); + +int virtsnd_pcm_msg_send_locked(struct virtio_pcm_substream *vss, + unsigned long offset, unsigned long bytes); unsigned int virtsnd_pcm_msg_pending_num(struct virtio_pcm_substream *vss); diff --git a/sound/virtio/virtio_pcm_msg.c b/sound/virtio/virtio_pcm_msg.c index aca2dc1989ba..c3d471088d9e 100644 --- a/sound/virtio/virtio_pcm_msg.c +++ b/sound/virtio/virtio_pcm_msg.c @@ -155,7 +155,6 @@ int virtsnd_pcm_msg_alloc(struct virtio_pcm_substream *vss, sizeof(msg->xfer)); sg_init_one(&msg->sgs[PCM_MSG_SG_STATUS], &msg->status, sizeof(msg->status)); - msg->length = period_bytes; virtsnd_pcm_sg_from(&msg->sgs[PCM_MSG_SG_DATA], sg_num, data, period_bytes); @@ -189,58 +188,70 @@ void virtsnd_pcm_msg_free(struct virtio_pcm_substream *vss) * * All messages are organized in an ordered circular list. Each time the * function is called, all currently non-enqueued messages are added to the - * virtqueue. For this, the function keeps track of two values: - * - * msg_last_enqueued = index of the last enqueued message, - * msg_count = # of pending messages in the virtqueue. + * virtqueue. For this, the function uses offset and bytes to calculate the + * messages that need to be added. * * Context: Any context. Expects the tx/rx queue and the VirtIO substream * spinlocks to be held by caller. * Return: 0 on success, -errno on failure. */ -int virtsnd_pcm_msg_send(struct virtio_pcm_substream *vss) +int virtsnd_pcm_msg_send(struct virtio_pcm_substream *vss, unsigned long offset, + unsigned long bytes) { - struct snd_pcm_runtime *runtime = vss->substream->runtime; struct virtio_snd *snd = vss->snd; struct virtio_device *vdev = snd->vdev; struct virtqueue *vqueue = virtsnd_pcm_queue(vss)->vqueue; - int i; - int n; + unsigned long period_bytes = snd_pcm_lib_period_bytes(vss->substream); + unsigned long start, end, i; + unsigned int msg_count = vss->msg_count; bool notify = false; + int rc; - i = (vss->msg_last_enqueued + 1) % runtime->periods; - n = runtime->periods - vss->msg_count; + start = offset / period_bytes; + end = (offset + bytes - 1) / period_bytes; - for (; n; --n, i = (i + 1) % runtime->periods) { + for (i = start; i <= end; i++) { struct virtio_pcm_msg *msg = vss->msgs[i]; struct scatterlist *psgs[] = { &msg->sgs[PCM_MSG_SG_XFER], &msg->sgs[PCM_MSG_SG_DATA], &msg->sgs[PCM_MSG_SG_STATUS] }; - int rc; - - msg->xfer.stream_id = cpu_to_le32(vss->sid); - memset(&msg->status, 0, sizeof(msg->status)); - - if (vss->direction == SNDRV_PCM_STREAM_PLAYBACK) - rc = virtqueue_add_sgs(vqueue, psgs, 2, 1, msg, - GFP_ATOMIC); - else - rc = virtqueue_add_sgs(vqueue, psgs, 1, 2, msg, - GFP_ATOMIC); - - if (rc) { - dev_err(&vdev->dev, - "SID %u: failed to send I/O message\n", - vss->sid); - return rc; + unsigned long n; + + n = period_bytes - (offset % period_bytes); + if (n > bytes) + n = bytes; + + msg->length += n; + if (msg->length == period_bytes) { + msg->xfer.stream_id = cpu_to_le32(vss->sid); + memset(&msg->status, 0, sizeof(msg->status)); + + if (vss->direction == SNDRV_PCM_STREAM_PLAYBACK) + rc = virtqueue_add_sgs(vqueue, psgs, 2, 1, msg, + GFP_ATOMIC); + else + rc = virtqueue_add_sgs(vqueue, psgs, 1, 2, msg, + GFP_ATOMIC); + + if (rc) { + dev_err(&vdev->dev, + "SID %u: failed to send I/O message\n", + vss->sid); + return rc; + } + + vss->msg_count++; } - vss->msg_last_enqueued = i; - vss->msg_count++; + offset = 0; + bytes -= n; } + if (msg_count == vss->msg_count) + return 0; + if (!(vss->features & (1U << VIRTIO_SND_PCM_F_MSG_POLLING))) notify = virtqueue_kick_prepare(vqueue); @@ -250,6 +261,22 @@ int virtsnd_pcm_msg_send(struct virtio_pcm_substream *vss) return 0; } +int virtsnd_pcm_msg_send_locked(struct virtio_pcm_substream *vss, + unsigned long offset, unsigned long bytes) +{ + struct virtio_snd_queue *queue = virtsnd_pcm_queue(vss); + unsigned long flags; + int rc; + + spin_lock_irqsave(&queue->lock, flags); + spin_lock(&vss->lock); + rc = virtsnd_pcm_msg_send(vss, offset, bytes); + spin_unlock(&vss->lock); + spin_unlock_irqrestore(&queue->lock, flags); + + return rc; +} + /** * virtsnd_pcm_msg_pending_num() - Returns the number of pending I/O messages. * @vss: VirtIO substream. @@ -309,6 +336,8 @@ static void virtsnd_pcm_msg_complete(struct virtio_pcm_msg *msg, if (vss->hw_ptr >= vss->buffer_bytes) vss->hw_ptr -= vss->buffer_bytes; + msg->length = 0; + vss->xfer_xrun = false; vss->msg_count--; @@ -320,8 +349,6 @@ static void virtsnd_pcm_msg_complete(struct virtio_pcm_msg *msg, le32_to_cpu(msg->status.latency_bytes)); schedule_work(&vss->elapsed_period); - - virtsnd_pcm_msg_send(vss); } else if (!vss->msg_count) { wake_up_all(&vss->msg_empty); } diff --git a/sound/virtio/virtio_pcm_ops.c b/sound/virtio/virtio_pcm_ops.c index f8bfb87624be..4569b285f520 100644 --- a/sound/virtio/virtio_pcm_ops.c +++ b/sound/virtio/virtio_pcm_ops.c @@ -282,7 +282,6 @@ static int virtsnd_pcm_prepare(struct snd_pcm_substream *substream) vss->buffer_bytes = snd_pcm_lib_buffer_bytes(substream); vss->hw_ptr = 0; - vss->msg_last_enqueued = -1; } else { struct snd_pcm_runtime *runtime = substream->runtime; unsigned int buffer_bytes = snd_pcm_lib_buffer_bytes(substream); @@ -324,7 +323,7 @@ static int virtsnd_pcm_trigger(struct snd_pcm_substream *substream, int command) struct virtio_snd_queue *queue; struct virtio_snd_msg *msg; unsigned long flags; - int rc; + int rc = 0; switch (command) { case SNDRV_PCM_TRIGGER_START: @@ -333,7 +332,8 @@ static int virtsnd_pcm_trigger(struct snd_pcm_substream *substream, int command) spin_lock_irqsave(&queue->lock, flags); spin_lock(&vss->lock); - rc = virtsnd_pcm_msg_send(vss); + if (vss->direction == SNDRV_PCM_STREAM_CAPTURE) + rc = virtsnd_pcm_msg_send(vss, 0, vss->buffer_bytes); if (!rc) vss->xfer_enabled = true; spin_unlock(&vss->lock); @@ -450,15 +450,70 @@ virtsnd_pcm_pointer(struct snd_pcm_substream *substream) return hw_ptr; } +static int virtsnd_pcm_pb_silence(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + unsigned long bytes) +{ + struct virtio_pcm_substream *vss = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + + snd_pcm_format_set_silence(runtime->format, runtime->dma_area + pos, + bytes_to_samples(runtime, bytes)); + + return virtsnd_pcm_msg_send_locked(vss, pos, bytes); +} + +static int virtsnd_pcm_pb_copy(struct snd_pcm_substream *substream, int channel, + unsigned long pos, struct iov_iter *iter, + unsigned long bytes) +{ + struct virtio_pcm_substream *vss = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + + if (copy_from_iter(runtime->dma_area + pos, bytes, iter) != bytes) + return -EFAULT; + + return virtsnd_pcm_msg_send_locked(vss, pos, bytes); +} + +static int virtsnd_pcm_cp_copy(struct snd_pcm_substream *substream, int channel, + unsigned long pos, struct iov_iter *iter, + unsigned long bytes) +{ + struct virtio_pcm_substream *vss = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + + if (copy_to_iter(runtime->dma_area + pos, bytes, iter) != bytes) + return -EFAULT; + + return virtsnd_pcm_msg_send_locked(vss, pos, bytes); +} + /* PCM substream operators map. */ -const struct snd_pcm_ops virtsnd_pcm_ops = { - .open = virtsnd_pcm_open, - .close = virtsnd_pcm_close, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = virtsnd_pcm_hw_params, - .hw_free = virtsnd_pcm_hw_free, - .prepare = virtsnd_pcm_prepare, - .trigger = virtsnd_pcm_trigger, - .sync_stop = virtsnd_pcm_sync_stop, - .pointer = virtsnd_pcm_pointer, +const struct snd_pcm_ops virtsnd_pcm_ops[] = { + { + .open = virtsnd_pcm_open, + .close = virtsnd_pcm_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = virtsnd_pcm_hw_params, + .hw_free = virtsnd_pcm_hw_free, + .prepare = virtsnd_pcm_prepare, + .trigger = virtsnd_pcm_trigger, + .sync_stop = virtsnd_pcm_sync_stop, + .pointer = virtsnd_pcm_pointer, + .copy = virtsnd_pcm_pb_copy, + .fill_silence = virtsnd_pcm_pb_silence, + }, + { + .open = virtsnd_pcm_open, + .close = virtsnd_pcm_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = virtsnd_pcm_hw_params, + .hw_free = virtsnd_pcm_hw_free, + .prepare = virtsnd_pcm_prepare, + .trigger = virtsnd_pcm_trigger, + .sync_stop = virtsnd_pcm_sync_stop, + .pointer = virtsnd_pcm_pointer, + .copy = virtsnd_pcm_cp_copy, + }, }; base-commit: 8a749fd1a8720d4619c91c8b6e7528c0a355c0aa -- 2.41.0

4 7

Add UCM2 configuration for Topping DX3 Pro+
by GitHub pull_request - opened 23 Oct '23

23 Oct '23

alsa-project/alsa-ucm-conf pull request #362 was opened from ZVNexus: Fixes it showing up as "digital" and "analog" output in Settings, should just be "Headphones". Request URL : https://github.com/alsa-project/alsa-ucm-conf/pull/362 Patch URL : https://github.com/alsa-project/alsa-ucm-conf/pull/362.patch Repository URL: https://github.com/alsa-project/alsa-ucm-conf

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