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/linux/Documentation/ABI/testing/
H A Dsysfs-bus-soundwire-slave1 What: /sys/bus/soundwire/devices/sdw:.../status
2 /sys/bus/soundwire/devices/sdw:.../device_number
10 Description: SoundWire Slave status
19 What: /sys/bus/soundwire/devices/sdw:.../dev-properties/mipi_revision
20 /sys/bus/soundwire/devices/sdw:.../dev-properties/wake_capable
21 /sys/bus/soundwire/devices/sdw:.../dev-properties/test_mode_capable
22 /sys/bus/soundwire/devices/sdw:.../dev-properties/clk_stop_mode1
23 /sys/bus/soundwire/devices/sdw:.../dev-properties/simple_clk_stop_capable
24 /sys/bus/soundwire/devices/sdw:.../dev-properties/clk_stop_timeout
25 /sys/bus/soundwire/devices/sdw:.../dev-properties/ch_prep_timeout
[all …]
H A Dsysfs-bus-soundwire-master1 What: /sys/bus/soundwire/devices/sdw-master-<N>/revision
2 /sys/bus/soundwire/devices/sdw-master-<N>/clk_stop_modes
3 /sys/bus/soundwire/devices/sdw-master-<N>/clk_freq
4 /sys/bus/soundwire/devices/sdw-master-<N>/clk_gears
5 /sys/bus/soundwire/devices/sdw-master-<N>/default_col
6 /sys/bus/soundwire/devices/sdw-master-<N>/default_frame_rate
7 /sys/bus/soundwire/devices/sdw-master-<N>/default_row
8 /sys/bus/soundwire/devices/sdw-master-<N>/dynamic_shape
9 /sys/bus/soundwire/devices/sdw-master-<N>/err_threshold
10 /sys/bus/soundwire/devices/sdw-master-<N>/max_clk_freq
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/linux/drivers/soundwire/
H A DMakefile3 # Makefile for soundwire core
7 soundwire-bus-y := bus_type.o bus.o master.o slave.o mipi_disco.o stream.o \
9 obj-$(CONFIG_SOUNDWIRE) += soundwire-bus.o
11 soundwire-generic-allocation-objs := generic_bandwidth_allocation.o
12 obj-$(CONFIG_SOUNDWIRE_GENERIC_ALLOCATION) += soundwire-generic-allocation.o
15 soundwire-bus-y += debugfs.o
19 soundwire-bus-y += irq.o
23 soundwire-amd-y := amd_init.o amd_manager.o
24 obj-$(CONFIG_SOUNDWIRE_AMD) += soundwire-amd.o
27 soundwire-cadence-y := cadence_master.o
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H A Dbus_type.c7 #include <linux/soundwire/sdw.h>
8 #include <linux/soundwire/sdw_type.h>
14 * sdw_get_device_id - find the matching SoundWire device id
15 * @slave: SoundWire Slave Device
16 * @drv: SoundWire Slave Driver
76 .name = "soundwire",
193 * __sdw_register_driver() - register a SoundWire Slave driver
220 * sdw_unregister_driver() - unregisters the SoundWire Slave driver
244 MODULE_DESCRIPTION("SoundWire bus");
H A Dstream.c5 * stream.c - SoundWire Bus stream operations.
14 #include <linux/soundwire/sdw_registers.h>
15 #include <linux/soundwire/sdw.h>
16 #include <linux/soundwire/sdw_type.h>
21 * Array of supported rows and columns as per MIPI SoundWire Specification 1.1
965 dev_err(dev, "SoundWire: Invalid port number :%d\n", num); in sdw_slave_port_is_valid_range()
1240 * @stream: SoundWire stream
1316 * @stream: SoundWire stream
1320 * NOTE: This function is called from SoundWire stream ops and is
1339 * @stream: SoundWire stream
[all …]
H A Dintel_init.c17 #include <linux/soundwire/sdw_intel.h>
312 * power rails to the SoundWire IP are not in sdw_intel_startup_controller()
323 * sdw_intel_probe() - SoundWire Intel probe routine
327 * and SoundWire Master and Slave devices will be created by the auxiliary
340 * sdw_intel_startup() - SoundWire Intel startup
341 * @ctx: SoundWire context allocated in the probe
343 * Startup Intel SoundWire controller. This function will be called after
352 * sdw_intel_exit() - SoundWire Intel exit
353 * @ctx: SoundWire context allocated in the probe
403 MODULE_DESCRIPTION("Intel Soundwire Init Library");
/linux/Documentation/devicetree/bindings/soundwire/
H A Dqcom,soundwire.yaml4 $id: http://devicetree.org/schemas/soundwire/qcom,soundwire.yaml#
7 title: Qualcomm SoundWire Controller
14 The Qualcomm SoundWire controller along with its board specific bus parameters.
19 - qcom,soundwire-v1.3.0
20 - qcom,soundwire-v1.5.0
21 - qcom,soundwire-v1.5.1
22 - qcom,soundwire-v1.6.0
23 - qcom,soundwire-v1.7.0
24 - qcom,soundwire-v2.0.0
32 - description: specify the SoundWire controller core.
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H A Dsoundwire-controller.yaml4 $id: http://devicetree.org/schemas/soundwire/soundwire-controller.yaml#
7 title: SoundWire Controller Common Properties
14 SoundWire busses can be described with a node for the SoundWire controller
15 device and a set of child nodes for each SoundWire slave on the bus.
19 pattern: "^soundwire(@.*)?$"
34 description: Is the textual representation of SoundWire Enumeration
35 address. compatible string should contain SoundWire Version ID,
39 Version ID is 1 nibble, number '0x1' represents SoundWire 1.0
40 and '0x2' represents SoundWire 1.1 and so on.
45 found in MIPI Alliance DisCo & SoundWire 1.0 Specifications.
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/linux/Documentation/driver-api/soundwire/
H A Dsummary.rst2 SoundWire Subsystem Summary
5 SoundWire is a new interface ratified in 2015 by the MIPI Alliance.
6 SoundWire is used for transporting data typically related to audio
7 functions. SoundWire interface is optimized to integrate audio devices in
10 SoundWire is a 2-pin multi-drop interface with data and clock line. It
12 Broad level key features of SoundWire interface include:
25 The SoundWire protocol supports up to eleven Slave interfaces. All the
35 Below figure shows an example of connectivity between a SoundWire Master and
58 The MIPI SoundWire specification uses the term 'device' to refer to a Master
62 device managed by a specific driver. The Linux SoundWire subsystem provides
[all …]
H A Derror_handling.rst2 SoundWire Error Handling
5 The SoundWire PHY was designed with care and errors on the bus are going to
19 data enabled by the SoundWire protocol, the location of the error will also
44 it transitions to a NotFinished value of zero. The MIPI SoundWire spec 1.1
45 does not define timeouts but the MIPI SoundWire DisCo document adds
60 Note that SoundWire does not provide a mechanism to detect illegal values
H A Dlocking.rst2 SoundWire Locking
5 This document explains locking mechanism of the SoundWire Bus. Bus uses
16 SoundWire Bus lock is a mutex and is part of Bus data structure
18 serialize each of the following operations(s) within SoundWire Bus instance.
29 SoundWire message transfer lock. This mutex is part of
31 transfers (read/write) within a SoundWire Bus instance.
/linux/sound/soc/amd/acp/
H A DKconfig125 This option enables common SoundWire Machine driver module for
129 tristate "AMD SOF Soundwire Machine Driver Support"
131 depends on SOUNDWIRE
141 This option enables SOF sound card support for SoundWire enabled
143 Say Y if you want to enable SoundWire based machine driver support
148 tristate "AMD Legacy(No DSP) Soundwire Machine Driver Support"
150 depends on SOUNDWIRE
163 This option enables Legacy(No DSP) sound card support for SoundWire
165 Say Y if you want to enable SoundWire based machine driver support
175 This options enables ACPI helper functions for SoundWire
/linux/sound/soc/codecs/
H A DKconfig852 depends on SOUNDWIRE || !SOUNDWIRE
862 depends on SOUNDWIRE || !SOUNDWIRE
871 depends on SOUNDWIRE
876 Enable support for Cirrus Logic CS35L56 boosted amplifier with SoundWire control
899 tristate "Cirrus Logic CS42L42 CODEC on Soundwire"
900 depends on SOUNDWIRE
903 Enable support for Cirrus Logic CS42L42 codec with Soundwire control
913 tristate "Cirrus Logic CS42L43 CODEC (SoundWire)"
917 CS42L43 PC CODEC over SoundWire.
1324 tristate "Analog Devices MAX98363 Soundwire Speaker Amplifier"
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H A Dcs35l56-sdw.c3 // CS35L56 ALSA SoC audio driver SoundWire binding
14 #include <linux/soundwire/sdw.h>
15 #include <linux/soundwire/sdw_registers.h>
16 #include <linux/soundwire/sdw_type.h>
23 /* Register addresses are offset when sent over SoundWire */
226 * Registers are big-endian on I2C and SPI but little-endian on SoundWire.
228 * SoundWire. Firmware files are always big-endian and are opaque blobs.
245 /* SoundWire UniqueId is used to index the calibration array */ in cs35l56_sdw_set_cal_index()
279 /* Enable SoundWire interrupts */ in cs35l56_sdw_init()
294 /* SoundWire core holds our pm_runtime when calling this function. */ in cs35l56_sdw_interrupt()
[all …]
/linux/sound/soc/amd/ps/
H A Dacp63.h8 #include <linux/soundwire/sdw_amd.h>
221 * sdw_dma_dev: platform device for SoundWire DMA controller
222 * @mach_dev: platform device for machine driver to support ACP PDM/SoundWire configuration
224 * @info: SoundWire AMD information found in ACPI tables
225 * @sdw: SoundWire context for all SoundWire manager instances
226 * @machine: ACPI machines for SoundWire interface
227 * @is_sdw_dev: flag set to true when any SoundWire manager instances are available
231 * @sdw_en_stat: flag set to true when any one of the SoundWire manager instance is enabled
235 * @sdw0-dma_intr_stat: DMA interrupt status array for SoundWire manage
[all...]
/linux/include/sound/
H A Dsdw.h3 * linux/sound/sdw.h -- SoundWire helpers for ALSA/ASoC
10 #include <linux/soundwire/sdw.h>
19 * snd_sdw_params_to_config() - Conversion from hw_params to SoundWire config
23 * @stream_config: Stream configuration for the SoundWire audio stream
24 * @port_config: Port configuration for the SoundWire audio stream
27 * SoundWire configuration structures. The user will at a minimum need to also
/linux/sound/soc/qcom/
H A DKconfig156 depends on QCOM_APR && I2C && SOUNDWIRE
171 depends on QCOM_APR && SOUNDWIRE
183 depends on QCOM_APR && SOUNDWIRE
196 depends on SOUNDWIRE || SOUNDWIRE=n
210 depends on I2C && SOUNDWIRE
228 depends on QCOM_APR && SOUNDWIRE
/linux/sound/hda/
H A Dintel-sdw-acpi.c16 #include <linux/soundwire/sdw_intel.h>
27 MODULE_PARM_DESC(sdw_ctrl_addr, "Intel SoundWire Controller _ADR");
75 * hardware, but in that step we cannot assume SoundWire IP is in sdw_intel_scan_controller()
107 dev_warn(&adev->dev, "No SoundWire links detected\n"); in sdw_intel_scan_controller()
152 * device can be found, but only one of them is the SoundWire in sdw_intel_acpi_cb()
155 * SoundWire link so filter accordingly in sdw_intel_acpi_cb()
163 /* found the correct SoundWire controller */ in sdw_intel_acpi_cb()
171 * sdw_intel_acpi_scan() - SoundWire Intel init routine
204 MODULE_DESCRIPTION("Intel Soundwire ACPI helpers");
/linux/Documentation/devicetree/bindings/sound/
H A Dadi,max98363.yaml7 title: Analog Devices MAX98363 SoundWire Amplifier
13 The MAX98363 is a SoundWire input Class D mono amplifier that
14 supports MIPI SoundWire v1.2-compatible digital interface for
16 SoundWire peripheral device ID of MAX98363 is 0x3*019f836300
42 soundwire@3250000 {
H A Dqcom,wcd937x-sdw.yaml7 title: Qualcomm SoundWire Slave devices on WCD9370/WCD9375
14 It has RX and TX Soundwire slave devices. This bindings is for the
29 Supports maximum 4 tx soundwire ports.
47 Supports maximum 5 rx soundwire ports.
69 soundwire@3210000 {
80 soundwire@3230000 {
H A Dqcom,wcd939x-sdw.yaml7 title: Qualcomm SoundWire devices on WCD9390/WCD9395
14 It has RX and TX Soundwire devices. This bindings is for the devices.
47 soundwire@3210000 {
58 soundwire@3230000 {
H A Dqcom,wcd938x-sdw.yaml7 title: Qualcomm SoundWire Slave devices on WCD9380/WCD9385
14 It has RX and TX Soundwire slave devices. This bindings is for the
48 soundwire@3210000 {
59 soundwire@3230000 {
/linux/drivers/mfd/
H A Dcs42l43-sdw.c3 * CS42L43 SoundWire driver
18 #include <linux/soundwire/sdw.h>
19 #include <linux/soundwire/sdw_registers.h>
20 #include <linux/soundwire/sdw_type.h>
128 * just clearing up the additional Cirrus SoundWire registers that are in cs42l43_sdw_interrupt()
129 * not covered by the SoundWire framework or the IRQ handler itself. in cs42l43_sdw_interrupt()
151 "PLL active can't change SoundWire bus clock\n"); in cs42l43_sdw_bus_config()
220 MODULE_DESCRIPTION("CS42L43 SoundWire Driver");
/linux/include/linux/soundwire/
H A Dsdw.h44 * Note: The maximum row define in SoundWire spec 1.1 is 23. In order to
328 * struct sdw_slave_prop - SoundWire Slave properties
360 * registers introduced with the SoundWire 1.2 specification. SDCA devices
410 * @mclk_freq: clock reference passed to SoundWire Master, in Hz.
464 * @class_id: MIPI Class ID (defined starting with SoundWire 1.2 spec)
496 * The MIPI DisCo for SoundWire defines in addition the link_id as bits 51:48
525 * sdw_reg_bank - SoundWire register banks
526 * @SDW_BANK0: Soundwire register bank 0
527 * @SDW_BANK1: Soundwire register bank 1
623 * struct sdw_slave - SoundWire Slav
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/linux/sound/soc/sof/intel/
H A Dhda.c24 #include <linux/soundwire/sdw.h>
25 #include <linux/soundwire/sdw_intel.h>
50 * The default for SoundWire clock stop quirks is to power gate the IP
57 MODULE_PARM_DESC(sdw_clock_stop_quirks, "SOF SoundWire clock stop quirks");
183 * the SHIM and SoundWire register offsets are link-specific in hda_sdw_probe()
211 dev_err(sdev->dev, "error: SoundWire probe failed\n"); in hda_sdw_probe()
401 "error: could not startup SoundWire links\n"); in hda_dsp_post_fw_run()
592 /* Skip SoundWire if it is not supported */ in hda_init_caps()
596 /* scan SoundWire capabilities exposed by DSDT */ in hda_init_caps()
599 dev_dbg(sdev->dev, "skipping SoundWire, not detected with ACPI scan\n"); in hda_init_caps()
[all …]

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